diff --git a/dist/hls.js b/dist/hls.js index 668cec1bf53..1025cef6506 100644 --- a/dist/hls.js +++ b/dist/hls.js @@ -1288,9 +1288,9 @@ function () { /***/ }), /***/ "./src/demux/demuxer-inline.js": -/*!**************************************************!*\ - !*** ./src/demux/demuxer-inline.js + 12 modules ***! - \**************************************************/ +/*!*************************************************!*\ + !*** ./src/demux/demuxer-inline.js + 8 modules ***! + \*************************************************/ /*! exports provided: default */ /*! ModuleConcatenation bailout: Cannot concat with ./src/crypt/decrypter.js because of ./src/hls.ts */ /*! ModuleConcatenation bailout: Cannot concat with ./src/demux/id3.js because of ./src/hls.ts */ @@ -1298,6 +1298,7 @@ function () { /*! ModuleConcatenation bailout: Cannot concat with ./src/errors.ts because of ./src/hls.ts */ /*! ModuleConcatenation bailout: Cannot concat with ./src/events.js because of ./src/hls.ts */ /*! ModuleConcatenation bailout: Cannot concat with ./src/polyfills/number-isFinite.js because of ./src/hls.ts */ +/*! ModuleConcatenation bailout: Cannot concat with ./src/remux/mp4-remuxer.js because of ./src/hls.ts */ /*! ModuleConcatenation bailout: Cannot concat with ./src/utils/get-self-scope.js because of ./src/hls.ts */ /*! ModuleConcatenation bailout: Cannot concat with ./src/utils/logger.js because of ./src/hls.ts */ /***/ (function(module, __webpack_exports__, __webpack_require__) { @@ -3734,9294 +3735,8575 @@ function () { }(); /* harmony default export */ var mp3demuxer = (mp3demuxer_MP3Demuxer); -// CONCATENATED MODULE: ./src/remux/aac-helper.js +// EXTERNAL MODULE: ./src/remux/mp4-remuxer.js + 2 modules +var mp4_remuxer = __webpack_require__("./src/remux/mp4-remuxer.js"); + +// CONCATENATED MODULE: ./src/remux/passthrough-remuxer.js /** - * AAC helper - */ -var AAC = + * passthrough remuxer +*/ + + +var passthrough_remuxer_PassThroughRemuxer = /*#__PURE__*/ function () { - function AAC() {} + function PassThroughRemuxer(observer) { + this.observer = observer; + } - AAC.getSilentFrame = function getSilentFrame(codec, channelCount) { - switch (codec) { - case 'mp4a.40.2': - if (channelCount === 1) { - return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x23, 0x80]); - } else if (channelCount === 2) { - return new Uint8Array([0x21, 0x00, 0x49, 0x90, 0x02, 0x19, 0x00, 0x23, 0x80]); - } else if (channelCount === 3) { - return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x8e]); - } else if (channelCount === 4) { - return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x80, 0x2c, 0x80, 0x08, 0x02, 0x38]); - } else if (channelCount === 5) { - return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x38]); - } else if (channelCount === 6) { - return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x00, 0xb2, 0x00, 0x20, 0x08, 0xe0]); - } + var _proto = PassThroughRemuxer.prototype; - break; - // handle HE-AAC below (mp4a.40.5 / mp4a.40.29) + _proto.destroy = function destroy() {}; - default: - if (channelCount === 1) { - // ffmpeg -y -f lavfi -i "aevalsrc=0:d=0.05" -c:a libfdk_aac -profile:a aac_he -b:a 4k output.aac && hexdump -v -e '16/1 "0x%x," "\n"' -v output.aac - return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x4e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x1c, 0x6, 0xf1, 0xc1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]); - } else if (channelCount === 2) { - // ffmpeg -y -f lavfi -i "aevalsrc=0|0:d=0.05" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 "0x%x," "\n"' -v output.aac - return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]); - } else if (channelCount === 3) { - // ffmpeg -y -f lavfi -i "aevalsrc=0|0|0:d=0.05" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 "0x%x," "\n"' -v output.aac - return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]); - } + _proto.resetTimeStamp = function resetTimeStamp() {}; - break; + _proto.resetInitSegment = function resetInitSegment() {}; + + _proto.remux = function remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset, rawData) { + var observer = this.observer; + var streamType = ''; + + if (audioTrack) { + streamType += 'audio'; } - return null; + if (videoTrack) { + streamType += 'video'; + } + + observer.trigger(events["default"].FRAG_PARSING_DATA, { + data1: rawData, + startPTS: timeOffset, + startDTS: timeOffset, + type: streamType, + hasAudio: !!audioTrack, + hasVideo: !!videoTrack, + nb: 1, + dropped: 0 + }); // notify end of parsing + + observer.trigger(events["default"].FRAG_PARSED); }; - return AAC; + return PassThroughRemuxer; }(); -/* harmony default export */ var aac_helper = (AAC); -// CONCATENATED MODULE: ./src/remux/mp4-generator.js +/* harmony default export */ var passthrough_remuxer = (passthrough_remuxer_PassThroughRemuxer); +// CONCATENATED MODULE: ./src/demux/demuxer-inline.js /** - * Generate MP4 Box -*/ -var UINT32_MAX = Math.pow(2, 32) - 1; + * + * inline demuxer: probe fragments and instantiate + * appropriate demuxer depending on content type (TSDemuxer, AACDemuxer, ...) + * + */ -var MP4 = -/*#__PURE__*/ -function () { - function MP4() {} - MP4.init = function init() { - MP4.types = { - avc1: [], - // codingname - avcC: [], - btrt: [], - dinf: [], - dref: [], - esds: [], - ftyp: [], - hdlr: [], - mdat: [], - mdhd: [], - mdia: [], - mfhd: [], - minf: [], - moof: [], - moov: [], - mp4a: [], - '.mp3': [], - mvex: [], - mvhd: [], - pasp: [], - sdtp: [], - stbl: [], - stco: [], - stsc: [], - stsd: [], - stsz: [], - stts: [], - tfdt: [], - tfhd: [], - traf: [], - trak: [], - trun: [], - trex: [], - tkhd: [], - vmhd: [], - smhd: [] - }; - var i; - for (i in MP4.types) { - if (MP4.types.hasOwnProperty(i)) { - MP4.types[i] = [i.charCodeAt(0), i.charCodeAt(1), i.charCodeAt(2), i.charCodeAt(3)]; - } - } - var videoHdlr = new Uint8Array([0x00, // version 0 - 0x00, 0x00, 0x00, // flags - 0x00, 0x00, 0x00, 0x00, // pre_defined - 0x76, 0x69, 0x64, 0x65, // handler_type: 'vide' - 0x00, 0x00, 0x00, 0x00, // reserved - 0x00, 0x00, 0x00, 0x00, // reserved - 0x00, 0x00, 0x00, 0x00, // reserved - 0x56, 0x69, 0x64, 0x65, 0x6f, 0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'VideoHandler' - ]); - var audioHdlr = new Uint8Array([0x00, // version 0 - 0x00, 0x00, 0x00, // flags - 0x00, 0x00, 0x00, 0x00, // pre_defined - 0x73, 0x6f, 0x75, 0x6e, // handler_type: 'soun' - 0x00, 0x00, 0x00, 0x00, // reserved - 0x00, 0x00, 0x00, 0x00, // reserved - 0x00, 0x00, 0x00, 0x00, // reserved - 0x53, 0x6f, 0x75, 0x6e, 0x64, 0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'SoundHandler' - ]); - MP4.HDLR_TYPES = { - 'video': videoHdlr, - 'audio': audioHdlr - }; - var dref = new Uint8Array([0x00, // version 0 - 0x00, 0x00, 0x00, // flags - 0x00, 0x00, 0x00, 0x01, // entry_count - 0x00, 0x00, 0x00, 0x0c, // entry_size - 0x75, 0x72, 0x6c, 0x20, // 'url' type - 0x00, // version 0 - 0x00, 0x00, 0x01 // entry_flags - ]); - var stco = new Uint8Array([0x00, // version - 0x00, 0x00, 0x00, // flags - 0x00, 0x00, 0x00, 0x00 // entry_count - ]); - MP4.STTS = MP4.STSC = MP4.STCO = stco; - MP4.STSZ = new Uint8Array([0x00, // version - 0x00, 0x00, 0x00, // flags - 0x00, 0x00, 0x00, 0x00, // sample_size - 0x00, 0x00, 0x00, 0x00 // sample_count - ]); - MP4.VMHD = new Uint8Array([0x00, // version - 0x00, 0x00, 0x01, // flags - 0x00, 0x00, // graphicsmode - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 // opcolor - ]); - MP4.SMHD = new Uint8Array([0x00, // version - 0x00, 0x00, 0x00, // flags - 0x00, 0x00, // balance - 0x00, 0x00 // reserved - ]); - MP4.STSD = new Uint8Array([0x00, // version 0 - 0x00, 0x00, 0x00, // flags - 0x00, 0x00, 0x00, 0x01]); // entry_count - var majorBrand = new Uint8Array([105, 115, 111, 109]); // isom - var avc1Brand = new Uint8Array([97, 118, 99, 49]); // avc1 - var minorVersion = new Uint8Array([0, 0, 0, 1]); - MP4.FTYP = MP4.box(MP4.types.ftyp, majorBrand, minorVersion, majorBrand, avc1Brand); - MP4.DINF = MP4.box(MP4.types.dinf, MP4.box(MP4.types.dref, dref)); - }; - MP4.box = function box(type) { - var payload = Array.prototype.slice.call(arguments, 1), - size = 8, - i = payload.length, - len = i, - result; // calculate the total size we need to allocate - while (i--) { - size += payload[i].byteLength; - } - result = new Uint8Array(size); - result[0] = size >> 24 & 0xff; - result[1] = size >> 16 & 0xff; - result[2] = size >> 8 & 0xff; - result[3] = size & 0xff; - result.set(type, 4); // copy the payload into the result + // see https://stackoverflow.com/a/11237259/589493 - for (i = 0, size = 8; i < len; i++) { - // copy payload[i] array @ offset size - result.set(payload[i], size); - size += payload[i].byteLength; - } +var global = Object(get_self_scope["getSelfScope"])(); // safeguard for code that might run both on worker and main thread - return result; - }; +var now; // performance.now() not available on WebWorker, at least on Safari Desktop - MP4.hdlr = function hdlr(type) { - return MP4.box(MP4.types.hdlr, MP4.HDLR_TYPES[type]); - }; +try { + now = global.performance.now.bind(global.performance); +} catch (err) { + logger["logger"].debug('Unable to use Performance API on this environment'); + now = global.Date.now; +} - MP4.mdat = function mdat(data) { - return MP4.box(MP4.types.mdat, data); +var demuxer_inline_DemuxerInline = +/*#__PURE__*/ +function () { + function DemuxerInline(observer, typeSupported, config, vendor) { + this.observer = observer; + this.typeSupported = typeSupported; + this.config = config; + this.vendor = vendor; + } + + var _proto = DemuxerInline.prototype; + + _proto.destroy = function destroy() { + var demuxer = this.demuxer; + + if (demuxer) { + demuxer.destroy(); + } }; - MP4.mdhd = function mdhd(timescale, duration) { - duration *= timescale; - var upperWordDuration = Math.floor(duration / (UINT32_MAX + 1)); - var lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1)); - return MP4.box(MP4.types.mdhd, new Uint8Array([0x01, // version 1 - 0x00, 0x00, 0x00, // flags - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time - timescale >> 24 & 0xFF, timescale >> 16 & 0xFF, timescale >> 8 & 0xFF, timescale & 0xFF, // timescale - upperWordDuration >> 24, upperWordDuration >> 16 & 0xFF, upperWordDuration >> 8 & 0xFF, upperWordDuration & 0xFF, lowerWordDuration >> 24, lowerWordDuration >> 16 & 0xFF, lowerWordDuration >> 8 & 0xFF, lowerWordDuration & 0xFF, 0x55, 0xc4, // 'und' language (undetermined) - 0x00, 0x00])); - }; + _proto.push = function push(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) { + var _this = this; - MP4.mdia = function mdia(track) { - return MP4.box(MP4.types.mdia, MP4.mdhd(track.timescale, track.duration), MP4.hdlr(track.type), MP4.minf(track)); - }; + if (data.byteLength > 0 && decryptdata != null && decryptdata.key != null && decryptdata.method === 'AES-128') { + var decrypter = this.decrypter; - MP4.mfhd = function mfhd(sequenceNumber) { - return MP4.box(MP4.types.mfhd, new Uint8Array([0x00, 0x00, 0x00, 0x00, // flags - sequenceNumber >> 24, sequenceNumber >> 16 & 0xFF, sequenceNumber >> 8 & 0xFF, sequenceNumber & 0xFF // sequence_number - ])); - }; + if (decrypter == null) { + decrypter = this.decrypter = new crypt_decrypter["default"](this.observer, this.config); + } - MP4.minf = function minf(track) { - if (track.type === 'audio') { - return MP4.box(MP4.types.minf, MP4.box(MP4.types.smhd, MP4.SMHD), MP4.DINF, MP4.stbl(track)); + var startTime = now(); + decrypter.decrypt(data, decryptdata.key.buffer, decryptdata.iv.buffer, function (decryptedData) { + var endTime = now(); + + _this.observer.trigger(events["default"].FRAG_DECRYPTED, { + stats: { + tstart: startTime, + tdecrypt: endTime + } + }); + + _this.pushDecrypted(new Uint8Array(decryptedData), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS); + }); } else { - return MP4.box(MP4.types.minf, MP4.box(MP4.types.vmhd, MP4.VMHD), MP4.DINF, MP4.stbl(track)); + this.pushDecrypted(new Uint8Array(data), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS); } }; - MP4.moof = function moof(sn, baseMediaDecodeTime, track) { - return MP4.box(MP4.types.moof, MP4.mfhd(sn), MP4.traf(track, baseMediaDecodeTime)); - } - /** - * @param tracks... (optional) {array} the tracks associated with this movie - */ - ; + _proto.pushDecrypted = function pushDecrypted(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) { + var demuxer = this.demuxer; - MP4.moov = function moov(tracks) { - var i = tracks.length, - boxes = []; + if (!demuxer || // in case of continuity change, or track switch + // we might switch from content type (AAC container to TS container, or TS to fmp4 for example) + // so let's check that current demuxer is still valid + (discontinuity || trackSwitch) && !this.probe(data)) { + var observer = this.observer; + var typeSupported = this.typeSupported; + var config = this.config; // probing order is TS/MP4/AAC/MP3 - while (i--) { - boxes[i] = MP4.trak(tracks[i]); + var muxConfig = [{ + demux: tsdemuxer, + remux: mp4_remuxer["default"] + }, { + demux: mp4demuxer["default"], + remux: passthrough_remuxer + }, { + demux: aacdemuxer, + remux: mp4_remuxer["default"] + }, { + demux: mp3demuxer, + remux: mp4_remuxer["default"] + }]; // probe for content type + + for (var i = 0, len = muxConfig.length; i < len; i++) { + var mux = muxConfig[i]; + var probe = mux.demux.probe; + + if (probe(data)) { + var _remuxer = this.remuxer = new mux.remux(observer, config, typeSupported, this.vendor); + + demuxer = new mux.demux(observer, _remuxer, config, typeSupported); + this.probe = probe; + break; + } + } + + if (!demuxer) { + observer.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].MEDIA_ERROR, + details: errors["ErrorDetails"].FRAG_PARSING_ERROR, + fatal: true, + reason: 'no demux matching with content found' + }); + return; + } + + this.demuxer = demuxer; } - return MP4.box.apply(null, [MP4.types.moov, MP4.mvhd(tracks[0].timescale, tracks[0].duration)].concat(boxes).concat(MP4.mvex(tracks))); - }; + var remuxer = this.remuxer; - MP4.mvex = function mvex(tracks) { - var i = tracks.length, - boxes = []; + if (discontinuity || trackSwitch) { + demuxer.resetInitSegment(initSegment, audioCodec, videoCodec, duration); + remuxer.resetInitSegment(); + } - while (i--) { - boxes[i] = MP4.trex(tracks[i]); + if (discontinuity) { + demuxer.resetTimeStamp(defaultInitPTS); + remuxer.resetTimeStamp(defaultInitPTS); } - return MP4.box.apply(null, [MP4.types.mvex].concat(boxes)); - }; + if (typeof demuxer.setDecryptData === 'function') { + demuxer.setDecryptData(decryptdata); + } - MP4.mvhd = function mvhd(timescale, duration) { - duration *= timescale; - var upperWordDuration = Math.floor(duration / (UINT32_MAX + 1)); - var lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1)); - var bytes = new Uint8Array([0x01, // version 1 - 0x00, 0x00, 0x00, // flags - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time - timescale >> 24 & 0xFF, timescale >> 16 & 0xFF, timescale >> 8 & 0xFF, timescale & 0xFF, // timescale - upperWordDuration >> 24, upperWordDuration >> 16 & 0xFF, upperWordDuration >> 8 & 0xFF, upperWordDuration & 0xFF, lowerWordDuration >> 24, lowerWordDuration >> 16 & 0xFF, lowerWordDuration >> 8 & 0xFF, lowerWordDuration & 0xFF, 0x00, 0x01, 0x00, 0x00, // 1.0 rate - 0x01, 0x00, // 1.0 volume - 0x00, 0x00, // reserved - 0x00, 0x00, 0x00, 0x00, // reserved - 0x00, 0x00, 0x00, 0x00, // reserved - 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // pre_defined - 0xff, 0xff, 0xff, 0xff // next_track_ID - ]); - return MP4.box(MP4.types.mvhd, bytes); + demuxer.append(data, timeOffset, contiguous, accurateTimeOffset); }; - MP4.sdtp = function sdtp(track) { - var samples = track.samples || [], - bytes = new Uint8Array(4 + samples.length), - flags, - i; // leave the full box header (4 bytes) all zero - // write the sample table + return DemuxerInline; +}(); - for (i = 0; i < samples.length; i++) { - flags = samples[i].flags; - bytes[i + 4] = flags.dependsOn << 4 | flags.isDependedOn << 2 | flags.hasRedundancy; +/* harmony default export */ var demuxer_inline = __webpack_exports__["default"] = (demuxer_inline_DemuxerInline); + +/***/ }), + +/***/ "./src/demux/demuxer-worker.js": +/*!*************************************!*\ + !*** ./src/demux/demuxer-worker.js ***! + \*************************************/ +/*! exports provided: default */ +/*! ModuleConcatenation bailout: Module is referenced from these modules with unsupported syntax: ./src/demux/demuxer.js (referenced with require.resolve) */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { + +"use strict"; +__webpack_require__.r(__webpack_exports__); +/* harmony import */ var _demux_demuxer_inline__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../demux/demuxer-inline */ "./src/demux/demuxer-inline.js"); +/* harmony import */ var _events__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../events */ "./src/events.js"); +/* harmony import */ var _utils_logger__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../utils/logger */ "./src/utils/logger.js"); +/* harmony import */ var eventemitter3__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! eventemitter3 */ "./node_modules/eventemitter3/index.js"); +/* harmony import */ var eventemitter3__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(eventemitter3__WEBPACK_IMPORTED_MODULE_3__); +/* demuxer web worker. + * - listen to worker message, and trigger DemuxerInline upon reception of Fragments. + * - provides MP4 Boxes back to main thread using [transferable objects](https://developers.google.com/web/updates/2011/12/Transferable-Objects-Lightning-Fast) in order to minimize message passing overhead. + */ + + + + + +var DemuxerWorker = function DemuxerWorker(self) { + // observer setup + var observer = new eventemitter3__WEBPACK_IMPORTED_MODULE_3__["EventEmitter"](); + + observer.trigger = function trigger(event) { + for (var _len = arguments.length, data = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { + data[_key - 1] = arguments[_key]; } - return MP4.box(MP4.types.sdtp, bytes); + observer.emit.apply(observer, [event, event].concat(data)); }; - MP4.stbl = function stbl(track) { - return MP4.box(MP4.types.stbl, MP4.stsd(track), MP4.box(MP4.types.stts, MP4.STTS), MP4.box(MP4.types.stsc, MP4.STSC), MP4.box(MP4.types.stsz, MP4.STSZ), MP4.box(MP4.types.stco, MP4.STCO)); + observer.off = function off(event) { + for (var _len2 = arguments.length, data = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) { + data[_key2 - 1] = arguments[_key2]; + } + + observer.removeListener.apply(observer, [event].concat(data)); }; - MP4.avc1 = function avc1(track) { - var sps = [], - pps = [], - i, - data, - len; // assemble the SPSs + var forwardMessage = function forwardMessage(ev, data) { + self.postMessage({ + event: ev, + data: data + }); + }; - for (i = 0; i < track.sps.length; i++) { - data = track.sps[i]; - len = data.byteLength; - sps.push(len >>> 8 & 0xFF); - sps.push(len & 0xFF); // SPS + self.addEventListener('message', function (ev) { + var data = ev.data; // console.log('demuxer cmd:' + data.cmd); - sps = sps.concat(Array.prototype.slice.call(data)); - } // assemble the PPSs + switch (data.cmd) { + case 'init': + var config = JSON.parse(data.config); + self.demuxer = new _demux_demuxer_inline__WEBPACK_IMPORTED_MODULE_0__["default"](observer, data.typeSupported, config, data.vendor); + Object(_utils_logger__WEBPACK_IMPORTED_MODULE_2__["enableLogs"])(config.debug); // signal end of worker init + forwardMessage('init', null); + break; - for (i = 0; i < track.pps.length; i++) { - data = track.pps[i]; - len = data.byteLength; - pps.push(len >>> 8 & 0xFF); - pps.push(len & 0xFF); - pps = pps.concat(Array.prototype.slice.call(data)); + case 'demux': + self.demuxer.push(data.data, data.decryptdata, data.initSegment, data.audioCodec, data.videoCodec, data.timeOffset, data.discontinuity, data.trackSwitch, data.contiguous, data.duration, data.accurateTimeOffset, data.defaultInitPTS); + break; + + default: + break; } + }); // forward events to main thread - var avcc = MP4.box(MP4.types.avcC, new Uint8Array([0x01, // version - sps[3], // profile - sps[4], // profile compat - sps[5], // level - 0xfc | 3, // lengthSizeMinusOne, hard-coded to 4 bytes - 0xE0 | track.sps.length // 3bit reserved (111) + numOfSequenceParameterSets - ].concat(sps).concat([track.pps.length // numOfPictureParameterSets - ]).concat(pps))), - // "PPS" - width = track.width, - height = track.height, - hSpacing = track.pixelRatio[0], - vSpacing = track.pixelRatio[1]; - return MP4.box(MP4.types.avc1, new Uint8Array([0x00, 0x00, 0x00, // reserved - 0x00, 0x00, 0x00, // reserved - 0x00, 0x01, // data_reference_index - 0x00, 0x00, // pre_defined - 0x00, 0x00, // reserved - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // pre_defined - width >> 8 & 0xFF, width & 0xff, // width - height >> 8 & 0xFF, height & 0xff, // height - 0x00, 0x48, 0x00, 0x00, // horizresolution - 0x00, 0x48, 0x00, 0x00, // vertresolution - 0x00, 0x00, 0x00, 0x00, // reserved - 0x00, 0x01, // frame_count - 0x12, 0x64, 0x61, 0x69, 0x6C, // dailymotion/hls.js - 0x79, 0x6D, 0x6F, 0x74, 0x69, 0x6F, 0x6E, 0x2F, 0x68, 0x6C, 0x73, 0x2E, 0x6A, 0x73, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // compressorname - 0x00, 0x18, // depth = 24 - 0x11, 0x11]), // pre_defined = -1 - avcc, MP4.box(MP4.types.btrt, new Uint8Array([0x00, 0x1c, 0x9c, 0x80, // bufferSizeDB - 0x00, 0x2d, 0xc6, 0xc0, // maxBitrate - 0x00, 0x2d, 0xc6, 0xc0])), // avgBitrate - MP4.box(MP4.types.pasp, new Uint8Array([hSpacing >> 24, // hSpacing - hSpacing >> 16 & 0xFF, hSpacing >> 8 & 0xFF, hSpacing & 0xFF, vSpacing >> 24, // vSpacing - vSpacing >> 16 & 0xFF, vSpacing >> 8 & 0xFF, vSpacing & 0xFF]))); - }; - - MP4.esds = function esds(track) { - var configlen = track.config.length; - return new Uint8Array([0x00, // version 0 - 0x00, 0x00, 0x00, // flags - 0x03, // descriptor_type - 0x17 + configlen, // length - 0x00, 0x01, // es_id - 0x00, // stream_priority - 0x04, // descriptor_type - 0x0f + configlen, // length - 0x40, // codec : mpeg4_audio - 0x15, // stream_type - 0x00, 0x00, 0x00, // buffer_size - 0x00, 0x00, 0x00, 0x00, // maxBitrate - 0x00, 0x00, 0x00, 0x00, // avgBitrate - 0x05 // descriptor_type - ].concat([configlen]).concat(track.config).concat([0x06, 0x01, 0x02])); // GASpecificConfig)); // length + audio config descriptor - }; - - MP4.mp4a = function mp4a(track) { - var samplerate = track.samplerate; - return MP4.box(MP4.types.mp4a, new Uint8Array([0x00, 0x00, 0x00, // reserved - 0x00, 0x00, 0x00, // reserved - 0x00, 0x01, // data_reference_index - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved - 0x00, track.channelCount, // channelcount - 0x00, 0x10, // sampleSize:16bits - 0x00, 0x00, 0x00, 0x00, // reserved2 - samplerate >> 8 & 0xFF, samplerate & 0xff, // - 0x00, 0x00]), MP4.box(MP4.types.esds, MP4.esds(track))); - }; + observer.on(_events__WEBPACK_IMPORTED_MODULE_1__["default"].FRAG_DECRYPTED, forwardMessage); + observer.on(_events__WEBPACK_IMPORTED_MODULE_1__["default"].FRAG_PARSING_INIT_SEGMENT, forwardMessage); + observer.on(_events__WEBPACK_IMPORTED_MODULE_1__["default"].FRAG_PARSED, forwardMessage); + observer.on(_events__WEBPACK_IMPORTED_MODULE_1__["default"].ERROR, forwardMessage); + observer.on(_events__WEBPACK_IMPORTED_MODULE_1__["default"].FRAG_PARSING_METADATA, forwardMessage); + observer.on(_events__WEBPACK_IMPORTED_MODULE_1__["default"].FRAG_PARSING_USERDATA, forwardMessage); + observer.on(_events__WEBPACK_IMPORTED_MODULE_1__["default"].INIT_PTS_FOUND, forwardMessage); // special case for FRAG_PARSING_DATA: pass data1/data2 as transferable object (no copy) - MP4.mp3 = function mp3(track) { - var samplerate = track.samplerate; - return MP4.box(MP4.types['.mp3'], new Uint8Array([0x00, 0x00, 0x00, // reserved - 0x00, 0x00, 0x00, // reserved - 0x00, 0x01, // data_reference_index - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved - 0x00, track.channelCount, // channelcount - 0x00, 0x10, // sampleSize:16bits - 0x00, 0x00, 0x00, 0x00, // reserved2 - samplerate >> 8 & 0xFF, samplerate & 0xff, // - 0x00, 0x00])); - }; + observer.on(_events__WEBPACK_IMPORTED_MODULE_1__["default"].FRAG_PARSING_DATA, function (ev, data) { + var transferable = []; + var message = { + event: ev, + data: data + }; - MP4.stsd = function stsd(track) { - if (track.type === 'audio') { - if (!track.isAAC && track.codec === 'mp3') { - return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp3(track)); - } + if (data.data1) { + message.data1 = data.data1.buffer; + transferable.push(data.data1.buffer); + delete data.data1; + } - return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp4a(track)); - } else { - return MP4.box(MP4.types.stsd, MP4.STSD, MP4.avc1(track)); + if (data.data2) { + message.data2 = data.data2.buffer; + transferable.push(data.data2.buffer); + delete data.data2; } - }; - MP4.tkhd = function tkhd(track) { - var id = track.id, - duration = track.duration * track.timescale, - width = track.width, - height = track.height, - upperWordDuration = Math.floor(duration / (UINT32_MAX + 1)), - lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1)); - return MP4.box(MP4.types.tkhd, new Uint8Array([0x01, // version 1 - 0x00, 0x00, 0x07, // flags - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time - id >> 24 & 0xFF, id >> 16 & 0xFF, id >> 8 & 0xFF, id & 0xFF, // track_ID - 0x00, 0x00, 0x00, 0x00, // reserved - upperWordDuration >> 24, upperWordDuration >> 16 & 0xFF, upperWordDuration >> 8 & 0xFF, upperWordDuration & 0xFF, lowerWordDuration >> 24, lowerWordDuration >> 16 & 0xFF, lowerWordDuration >> 8 & 0xFF, lowerWordDuration & 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved - 0x00, 0x00, // layer - 0x00, 0x00, // alternate_group - 0x00, 0x00, // non-audio track volume - 0x00, 0x00, // reserved - 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix - width >> 8 & 0xFF, width & 0xFF, 0x00, 0x00, // width - height >> 8 & 0xFF, height & 0xFF, 0x00, 0x00 // height - ])); - }; + self.postMessage(message, transferable); + }); +}; - MP4.traf = function traf(track, baseMediaDecodeTime) { - var sampleDependencyTable = MP4.sdtp(track), - id = track.id, - upperWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1)), - lowerWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1)); - return MP4.box(MP4.types.traf, MP4.box(MP4.types.tfhd, new Uint8Array([0x00, // version 0 - 0x00, 0x00, 0x00, // flags - id >> 24, id >> 16 & 0XFF, id >> 8 & 0XFF, id & 0xFF])), MP4.box(MP4.types.tfdt, new Uint8Array([0x01, // version 1 - 0x00, 0x00, 0x00, // flags - upperWordBaseMediaDecodeTime >> 24, upperWordBaseMediaDecodeTime >> 16 & 0XFF, upperWordBaseMediaDecodeTime >> 8 & 0XFF, upperWordBaseMediaDecodeTime & 0xFF, lowerWordBaseMediaDecodeTime >> 24, lowerWordBaseMediaDecodeTime >> 16 & 0XFF, lowerWordBaseMediaDecodeTime >> 8 & 0XFF, lowerWordBaseMediaDecodeTime & 0xFF])), MP4.trun(track, sampleDependencyTable.length + 16 + // tfhd - 20 + // tfdt - 8 + // traf header - 16 + // mfhd - 8 + // moof header - 8), // mdat header - sampleDependencyTable); - } - /** - * Generate a track box. - * @param track {object} a track definition - * @return {Uint8Array} the track box - */ - ; +/* harmony default export */ __webpack_exports__["default"] = (DemuxerWorker); - MP4.trak = function trak(track) { - track.duration = track.duration || 0xffffffff; - return MP4.box(MP4.types.trak, MP4.tkhd(track), MP4.mdia(track)); - }; +/***/ }), - MP4.trex = function trex(track) { - var id = track.id; - return MP4.box(MP4.types.trex, new Uint8Array([0x00, // version 0 - 0x00, 0x00, 0x00, // flags - id >> 24, id >> 16 & 0XFF, id >> 8 & 0XFF, id & 0xFF, // track_ID - 0x00, 0x00, 0x00, 0x01, // default_sample_description_index - 0x00, 0x00, 0x00, 0x00, // default_sample_duration - 0x00, 0x00, 0x00, 0x00, // default_sample_size - 0x00, 0x01, 0x00, 0x01 // default_sample_flags - ])); - }; +/***/ "./src/demux/id3.js": +/*!**************************!*\ + !*** ./src/demux/id3.js ***! + \**************************/ +/*! exports provided: default, utf8ArrayToStr */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { - MP4.trun = function trun(track, offset) { - var samples = track.samples || [], - len = samples.length, - arraylen = 12 + 16 * len, - array = new Uint8Array(arraylen), - i, - sample, - duration, - size, - flags, - cts; - offset += 8 + arraylen; - array.set([0x00, // version 0 - 0x00, 0x0f, 0x01, // flags - len >>> 24 & 0xFF, len >>> 16 & 0xFF, len >>> 8 & 0xFF, len & 0xFF, // sample_count - offset >>> 24 & 0xFF, offset >>> 16 & 0xFF, offset >>> 8 & 0xFF, offset & 0xFF // data_offset - ], 0); +"use strict"; +__webpack_require__.r(__webpack_exports__); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "utf8ArrayToStr", function() { return utf8ArrayToStr; }); +/* harmony import */ var _utils_get_self_scope__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../utils/get-self-scope */ "./src/utils/get-self-scope.js"); - for (i = 0; i < len; i++) { - sample = samples[i]; - duration = sample.duration; - size = sample.size; - flags = sample.flags; - cts = sample.cts; - array.set([duration >>> 24 & 0xFF, duration >>> 16 & 0xFF, duration >>> 8 & 0xFF, duration & 0xFF, // sample_duration - size >>> 24 & 0xFF, size >>> 16 & 0xFF, size >>> 8 & 0xFF, size & 0xFF, // sample_size - flags.isLeading << 2 | flags.dependsOn, flags.isDependedOn << 6 | flags.hasRedundancy << 4 | flags.paddingValue << 1 | flags.isNonSync, flags.degradPrio & 0xF0 << 8, flags.degradPrio & 0x0F, // sample_flags - cts >>> 24 & 0xFF, cts >>> 16 & 0xFF, cts >>> 8 & 0xFF, cts & 0xFF // sample_composition_time_offset - ], 12 + 16 * i); - } +/** + * ID3 parser + */ - return MP4.box(MP4.types.trun, array); - }; +var ID3 = +/*#__PURE__*/ +function () { + function ID3() {} - MP4.initSegment = function initSegment(tracks) { - if (!MP4.types) { - MP4.init(); + /** + * Returns true if an ID3 header can be found at offset in data + * @param {Uint8Array} data - The data to search in + * @param {number} offset - The offset at which to start searching + * @return {boolean} - True if an ID3 header is found + */ + ID3.isHeader = function isHeader(data, offset) { + /* + * http://id3.org/id3v2.3.0 + * [0] = 'I' + * [1] = 'D' + * [2] = '3' + * [3,4] = {Version} + * [5] = {Flags} + * [6-9] = {ID3 Size} + * + * An ID3v2 tag can be detected with the following pattern: + * $49 44 33 yy yy xx zz zz zz zz + * Where yy is less than $FF, xx is the 'flags' byte and zz is less than $80 + */ + if (offset + 10 <= data.length) { + // look for 'ID3' identifier + if (data[offset] === 0x49 && data[offset + 1] === 0x44 && data[offset + 2] === 0x33) { + // check version is within range + if (data[offset + 3] < 0xFF && data[offset + 4] < 0xFF) { + // check size is within range + if (data[offset + 6] < 0x80 && data[offset + 7] < 0x80 && data[offset + 8] < 0x80 && data[offset + 9] < 0x80) { + return true; + } + } + } } - var movie = MP4.moov(tracks), - result; - result = new Uint8Array(MP4.FTYP.byteLength + movie.byteLength); - result.set(MP4.FTYP); - result.set(movie, MP4.FTYP.byteLength); - return result; - }; - - return MP4; -}(); - -/* harmony default export */ var mp4_generator = (MP4); -// CONCATENATED MODULE: ./src/utils/timescale-conversion.ts -var MPEG_TS_CLOCK_FREQ_HZ = 90000; -function toTimescaleFromScale(value, destScale, srcScale, round) { - if (srcScale === void 0) { - srcScale = 1; - } - - if (round === void 0) { - round = false; + return false; } + /** + * Returns true if an ID3 footer can be found at offset in data + * @param {Uint8Array} data - The data to search in + * @param {number} offset - The offset at which to start searching + * @return {boolean} - True if an ID3 footer is found + */ + ; - return toTimescaleFromBase(value, destScale, 1 / srcScale); -} -function toTimescaleFromBase(value, destScale, srcBase, round) { - if (srcBase === void 0) { - srcBase = 1; - } + ID3.isFooter = function isFooter(data, offset) { + /* + * The footer is a copy of the header, but with a different identifier + */ + if (offset + 10 <= data.length) { + // look for '3DI' identifier + if (data[offset] === 0x33 && data[offset + 1] === 0x44 && data[offset + 2] === 0x49) { + // check version is within range + if (data[offset + 3] < 0xFF && data[offset + 4] < 0xFF) { + // check size is within range + if (data[offset + 6] < 0x80 && data[offset + 7] < 0x80 && data[offset + 8] < 0x80 && data[offset + 9] < 0x80) { + return true; + } + } + } + } - if (round === void 0) { - round = false; + return false; } + /** + * Returns any adjacent ID3 tags found in data starting at offset, as one block of data + * @param {Uint8Array} data - The data to search in + * @param {number} offset - The offset at which to start searching + * @return {Uint8Array} - The block of data containing any ID3 tags found + */ + ; - var result = value * destScale * srcBase; // equivalent to `(value * scale) / (1 / base)` + ID3.getID3Data = function getID3Data(data, offset) { + var front = offset; + var length = 0; - return round ? Math.round(result) : result; -} -function toMsFromMpegTsClock(value, round) { - if (round === void 0) { - round = false; - } + while (ID3.isHeader(data, offset)) { + // ID3 header is 10 bytes + length += 10; - return toTimescaleFromBase(value, 1000, 1 / MPEG_TS_CLOCK_FREQ_HZ, round); -} -function toMpegTsClockFromTimescale(value, srcScale) { - if (srcScale === void 0) { - srcScale = 1; - } + var size = ID3._readSize(data, offset + 6); - return toTimescaleFromBase(value, MPEG_TS_CLOCK_FREQ_HZ, 1 / srcScale); -} -// CONCATENATED MODULE: ./src/remux/mp4-remuxer.js -/** - * fMP4 remuxer -*/ + length += size; + if (ID3.isFooter(data, offset + 10)) { + // ID3 footer is 10 bytes + length += 10; + } + offset += length; + } + if (length > 0) { + return data.subarray(front, front + length); + } + return undefined; + }; + ID3._readSize = function _readSize(data, offset) { + var size = 0; + size = (data[offset] & 0x7f) << 21; + size |= (data[offset + 1] & 0x7f) << 14; + size |= (data[offset + 2] & 0x7f) << 7; + size |= data[offset + 3] & 0x7f; + return size; + } + /** + * Searches for the Elementary Stream timestamp found in the ID3 data chunk + * @param {Uint8Array} data - Block of data containing one or more ID3 tags + * @return {number} - The timestamp + */ + ; -var MAX_SILENT_FRAME_DURATION_90KHZ = toMpegTsClockFromTimescale(10); -var PTS_DTS_SHIFT_TOLERANCE_90KHZ = toMpegTsClockFromTimescale(0.2); + ID3.getTimeStamp = function getTimeStamp(data) { + var frames = ID3.getID3Frames(data); -var mp4_remuxer_MP4Remuxer = -/*#__PURE__*/ -function () { - function MP4Remuxer(observer, config, typeSupported, vendor) { - this.observer = observer; - this.config = config; - this.typeSupported = typeSupported; - var userAgent = navigator.userAgent; - this.isSafari = vendor && vendor.indexOf('Apple') > -1 && userAgent && !userAgent.match('CriOS'); - this.ISGenerated = false; - } + for (var i = 0; i < frames.length; i++) { + var frame = frames[i]; - var _proto = MP4Remuxer.prototype; + if (ID3.isTimeStampFrame(frame)) { + return ID3._readTimeStamp(frame); + } + } - _proto.destroy = function destroy() {}; + return undefined; + } + /** + * Returns true if the ID3 frame is an Elementary Stream timestamp frame + * @param {ID3 frame} frame + */ + ; - _proto.resetTimeStamp = function resetTimeStamp(defaultTimeStamp) { - this._initPTS = this._initDTS = defaultTimeStamp; + ID3.isTimeStampFrame = function isTimeStampFrame(frame) { + return frame && frame.key === 'PRIV' && frame.info === 'com.apple.streaming.transportStreamTimestamp'; }; - _proto.resetInitSegment = function resetInitSegment() { - this.ISGenerated = false; - }; + ID3._getFrameData = function _getFrameData(data) { + /* + Frame ID $xx xx xx xx (four characters) + Size $xx xx xx xx + Flags $xx xx + */ + var type = String.fromCharCode(data[0], data[1], data[2], data[3]); - _proto.remux = function remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) { - // generate Init Segment if needed - if (!this.ISGenerated) { - this.generateIS(audioTrack, videoTrack, timeOffset); - } + var size = ID3._readSize(data, 4); // skip frame id, size, and flags - if (this.ISGenerated) { - var nbAudioSamples = audioTrack.samples.length; - var nbVideoSamples = videoTrack.samples.length; - var audioTimeOffset = timeOffset; - var videoTimeOffset = timeOffset; - if (nbAudioSamples && nbVideoSamples) { - // timeOffset is expected to be the offset of the first timestamp of this fragment (first DTS) - // if first audio DTS is not aligned with first video DTS then we need to take that into account - // when providing timeOffset to remuxAudio / remuxVideo. if we don't do that, there might be a permanent / small - // drift between audio and video streams - var audiovideoDeltaDts = (audioTrack.samples[0].pts - videoTrack.samples[0].pts) / videoTrack.inputTimeScale; - audioTimeOffset += Math.max(0, audiovideoDeltaDts); - videoTimeOffset += Math.max(0, -audiovideoDeltaDts); - } // Purposefully remuxing audio before video, so that remuxVideo can use nextAudioPts, which is - // calculated in remuxAudio. - // logger.log('nb AAC samples:' + audioTrack.samples.length); + var offset = 10; + return { + type: type, + size: size, + data: data.subarray(offset, offset + size) + }; + } + /** + * Returns an array of ID3 frames found in all the ID3 tags in the id3Data + * @param {Uint8Array} id3Data - The ID3 data containing one or more ID3 tags + * @return {ID3 frame[]} - Array of ID3 frame objects + */ + ; + ID3.getID3Frames = function getID3Frames(id3Data) { + var offset = 0; + var frames = []; - if (nbAudioSamples) { - // if initSegment was generated without video samples, regenerate it again - if (!audioTrack.timescale) { - logger["logger"].warn('regenerate InitSegment as audio detected'); - this.generateIS(audioTrack, videoTrack, timeOffset); - } + while (ID3.isHeader(id3Data, offset)) { + var size = ID3._readSize(id3Data, offset + 6); // skip past ID3 header - var audioData = this.remuxAudio(audioTrack, audioTimeOffset, contiguous, accurateTimeOffset); // logger.log('nb AVC samples:' + videoTrack.samples.length); - if (nbVideoSamples) { - var audioTrackLength; + offset += 10; + var end = offset + size; // loop through frames in the ID3 tag - if (audioData) { - audioTrackLength = audioData.endPTS - audioData.startPTS; - } // if initSegment was generated without video samples, regenerate it again + while (offset + 8 < end) { + var frameData = ID3._getFrameData(id3Data.subarray(offset)); + + var frame = ID3._decodeFrame(frameData); + if (frame) { + frames.push(frame); + } // skip frame header and frame data - if (!videoTrack.timescale) { - logger["logger"].warn('regenerate InitSegment as video detected'); - this.generateIS(audioTrack, videoTrack, timeOffset); - } - this.remuxVideo(videoTrack, videoTimeOffset, contiguous, audioTrackLength, accurateTimeOffset); - } - } else { - // logger.log('nb AVC samples:' + videoTrack.samples.length); - if (nbVideoSamples) { - var videoData = this.remuxVideo(videoTrack, videoTimeOffset, contiguous, 0, accurateTimeOffset); + offset += frameData.size + 10; + } - if (videoData && audioTrack.codec) { - this.remuxEmptyAudio(audioTrack, audioTimeOffset, contiguous, videoData); - } - } + if (ID3.isFooter(id3Data, offset)) { + offset += 10; } - } // logger.log('nb ID3 samples:' + audioTrack.samples.length); + } + return frames; + }; - if (id3Track.samples.length) { - this.remuxID3(id3Track, timeOffset); - } // logger.log('nb ID3 samples:' + audioTrack.samples.length); + ID3._decodeFrame = function _decodeFrame(frame) { + if (frame.type === 'PRIV') { + return ID3._decodePrivFrame(frame); + } else if (frame.type[0] === 'T') { + return ID3._decodeTextFrame(frame); + } else if (frame.type[0] === 'W') { + return ID3._decodeURLFrame(frame); + } + return undefined; + }; - if (textTrack.samples.length) { - this.remuxText(textTrack, timeOffset); - } // notify end of parsing + ID3._readTimeStamp = function _readTimeStamp(timeStampFrame) { + if (timeStampFrame.data.byteLength === 8) { + var data = new Uint8Array(timeStampFrame.data); // timestamp is 33 bit expressed as a big-endian eight-octet number, + // with the upper 31 bits set to zero. + + var pts33Bit = data[3] & 0x1; + var timestamp = (data[4] << 23) + (data[5] << 15) + (data[6] << 7) + data[7]; + timestamp /= 45; + + if (pts33Bit) { + timestamp += 47721858.84; + } // 2^32 / 90 - this.observer.trigger(events["default"].FRAG_PARSED); + return Math.round(timestamp); + } + + return undefined; }; - _proto.generateIS = function generateIS(audioTrack, videoTrack, timeOffset) { - var observer = this.observer, - audioSamples = audioTrack.samples, - videoSamples = videoTrack.samples, - typeSupported = this.typeSupported, - container = 'audio/mp4', - tracks = {}, - data = { - tracks: tracks - }, - computePTSDTS = this._initPTS === undefined, - initPTS, - initDTS; - - if (computePTSDTS) { - initPTS = initDTS = Infinity; + ID3._decodePrivFrame = function _decodePrivFrame(frame) { + /* + Format: \0 + */ + if (frame.size < 2) { + return undefined; } - if (audioTrack.config && audioSamples.length) { - // let's use audio sampling rate as MP4 time scale. - // rationale is that there is a integer nb of audio frames per audio sample (1024 for AAC) - // using audio sampling rate here helps having an integer MP4 frame duration - // this avoids potential rounding issue and AV sync issue - audioTrack.timescale = audioTrack.samplerate; - logger["logger"].log("audio sampling rate : " + audioTrack.samplerate); - - if (!audioTrack.isAAC) { - if (typeSupported.mpeg) { - // Chrome and Safari - container = 'audio/mpeg'; - audioTrack.codec = ''; - } else if (typeSupported.mp3) { - // Firefox - audioTrack.codec = 'mp3'; - } - } + var owner = ID3._utf8ArrayToStr(frame.data, true); - tracks.audio = { - container: container, - codec: audioTrack.codec, - initSegment: !audioTrack.isAAC && typeSupported.mpeg ? new Uint8Array() : mp4_generator.initSegment([audioTrack]), - metadata: { - channelCount: audioTrack.channelCount - } - }; + var privateData = new Uint8Array(frame.data.subarray(owner.length + 1)); + return { + key: frame.type, + info: owner, + data: privateData.buffer + }; + }; - if (computePTSDTS) { - // remember first PTS of this demuxing context. for audio, PTS = DTS - initPTS = initDTS = audioSamples[0].pts - audioTrack.inputTimeScale * timeOffset; - } + ID3._decodeTextFrame = function _decodeTextFrame(frame) { + if (frame.size < 2) { + return undefined; } - if (videoTrack.sps && videoTrack.pps && videoSamples.length) { - // let's use input time scale as MP4 video timescale - // we use input time scale straight away to avoid rounding issues on frame duration / cts computation - var inputTimeScale = videoTrack.inputTimeScale; - videoTrack.timescale = inputTimeScale; - tracks.video = { - container: 'video/mp4', - codec: videoTrack.codec, - initSegment: mp4_generator.initSegment([videoTrack]), - metadata: { - width: videoTrack.width, - height: videoTrack.height - } - }; + if (frame.type === 'TXXX') { + /* + Format: + [0] = {Text Encoding} + [1-?] = {Description}\0{Value} + */ + var index = 1; - if (computePTSDTS) { - initPTS = Math.min(initPTS, videoSamples[0].pts - inputTimeScale * timeOffset); - initDTS = Math.min(initDTS, videoSamples[0].dts - inputTimeScale * timeOffset); - this.observer.trigger(events["default"].INIT_PTS_FOUND, { - initPTS: initPTS - }); - } - } + var description = ID3._utf8ArrayToStr(frame.data.subarray(index), true); - if (Object.keys(tracks).length) { - observer.trigger(events["default"].FRAG_PARSING_INIT_SEGMENT, data); - this.ISGenerated = true; + index += description.length + 1; - if (computePTSDTS) { - this._initPTS = initPTS; - this._initDTS = initDTS; - } + var value = ID3._utf8ArrayToStr(frame.data.subarray(index)); + + return { + key: frame.type, + info: description, + data: value + }; } else { - observer.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].MEDIA_ERROR, - details: errors["ErrorDetails"].FRAG_PARSING_ERROR, - fatal: false, - reason: 'no audio/video samples found' - }); + /* + Format: + [0] = {Text Encoding} + [1-?] = {Value} + */ + var text = ID3._utf8ArrayToStr(frame.data.subarray(1)); + + return { + key: frame.type, + data: text + }; } }; - _proto.remuxVideo = function remuxVideo(track, timeOffset, contiguous, audioTrackLength, accurateTimeOffset) { - var offset = 8; - var mp4SampleDuration; - var mdat; - var moof; - var firstPTS; - var firstDTS; - var lastPTS; - var lastDTS; - var timeScale = track.timescale; - var inputSamples = track.samples; - var outputSamples = []; - var nbSamples = inputSamples.length; - var ptsNormalize = this._PTSNormalize; - var initPTS = this._initPTS; // if parsed fragment is contiguous with last one, let's use last DTS value as reference - - var nextAvcDts = this.nextAvcDts; - var isSafari = this.isSafari; - - if (nbSamples === 0) { - return; - } // Safari does not like overlapping DTS on consecutive fragments. let's use nextAvcDts to overcome this if fragments are consecutive + ID3._decodeURLFrame = function _decodeURLFrame(frame) { + if (frame.type === 'WXXX') { + /* + Format: + [0] = {Text Encoding} + [1-?] = {Description}\0{URL} + */ + if (frame.size < 2) { + return undefined; + } + var index = 1; - if (isSafari) { - // also consider consecutive fragments as being contiguous (even if a level switch occurs), - // for sake of clarity: - // consecutive fragments are frags with - // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR - // - less than 200 ms PTS gaps (timeScale/5) - contiguous |= inputSamples.length && nextAvcDts && (accurateTimeOffset && Math.abs(timeOffset - nextAvcDts / timeScale) < 0.1 || Math.abs(inputSamples[0].pts - nextAvcDts - initPTS) < timeScale / 5); - } + var description = ID3._utf8ArrayToStr(frame.data.subarray(index)); - if (!contiguous) { - // if not contiguous, let's use target timeOffset - nextAvcDts = timeOffset * timeScale; - } // PTS is coded on 33bits, and can loop from -2^32 to 2^32 - // ptsNormalize will make PTS/DTS value monotonic, we use last known DTS value as reference value + index += description.length + 1; + var value = ID3._utf8ArrayToStr(frame.data.subarray(index)); - inputSamples.forEach(function (sample) { - sample.pts = ptsNormalize(sample.pts - initPTS, nextAvcDts); - sample.dts = ptsNormalize(sample.dts - initPTS, nextAvcDts); - }); // sort video samples by DTS then PTS then demux id order + return { + key: frame.type, + info: description, + data: value + }; + } else { + /* + Format: + [0-?] = {URL} + */ + var url = ID3._utf8ArrayToStr(frame.data); - inputSamples.sort(function (a, b) { - var deltadts = a.dts - b.dts; - var deltapts = a.pts - b.pts; - return deltadts || deltapts || a.id - b.id; - }); // handle broken streams with PTS < DTS, tolerance up 0.2 seconds + return { + key: frame.type, + data: url + }; + } + } // http://stackoverflow.com/questions/8936984/uint8array-to-string-in-javascript/22373197 + // http://www.onicos.com/staff/iz/amuse/javascript/expert/utf.txt - var PTSDTSshift = inputSamples.reduce(function (prev, curr) { - return Math.max(Math.min(prev, curr.pts - curr.dts), -1 * PTS_DTS_SHIFT_TOLERANCE_90KHZ); - }, 0); + /* utf.js - UTF-8 <=> UTF-16 convertion + * + * Copyright (C) 1999 Masanao Izumo + * Version: 1.0 + * LastModified: Dec 25 1999 + * This library is free. You can redistribute it and/or modify it. + */ + ; - if (PTSDTSshift < 0) { - logger["logger"].warn("PTS < DTS detected in video samples, shifting DTS by " + toMsFromMpegTsClock(PTSDTSshift, true) + " ms to overcome this issue"); + ID3._utf8ArrayToStr = function _utf8ArrayToStr(array, exitOnNull) { + if (exitOnNull === void 0) { + exitOnNull = false; + } - for (var i = 0; i < inputSamples.length; i++) { - inputSamples[i].dts += PTSDTSshift; - } - } // compute first DTS and last DTS, normalize them against reference value + var decoder = getTextDecoder(); + if (decoder) { + var decoded = decoder.decode(array); - var sample = inputSamples[0]; - firstDTS = Math.max(sample.dts, 0); - firstPTS = Math.max(sample.pts, 0); // check timestamp continuity accross consecutive fragments (this is to remove inter-fragment gap/hole) + if (exitOnNull) { + // grab up to the first null + var idx = decoded.indexOf('\0'); + return idx !== -1 ? decoded.substring(0, idx) : decoded; + } // remove any null characters - var delta = firstDTS - nextAvcDts; // if fragment are contiguous, detect hole/overlapping between fragments - if (contiguous) { - if (delta) { - if (delta > 1) { - logger["logger"].log("AVC: " + toMsFromMpegTsClock(delta, true) + " ms hole between fragments detected,filling it"); - } else if (delta < -1) { - logger["logger"].log("AVC: " + toMsFromMpegTsClock(-delta, true) + " ms overlapping between fragments detected"); - } // remove hole/gap : set DTS to next expected DTS + return decoded.replace(/\0/g, ''); + } + var len = array.length; + var c; + var char2; + var char3; + var out = ''; + var i = 0; - firstDTS = nextAvcDts; - inputSamples[0].dts = firstDTS; // offset PTS as well, ensure that PTS is smaller or equal than new DTS + while (i < len) { + c = array[i++]; - firstPTS = Math.max(firstPTS - delta, nextAvcDts); - inputSamples[0].pts = firstPTS; - logger["logger"].log("Video: PTS/DTS adjusted: " + toMsFromMpegTsClock(firstPTS, true) + "/" + toMsFromMpegTsClock(firstDTS, true) + ", delta: " + toMsFromMpegTsClock(delta, true) + " ms"); + if (c === 0x00 && exitOnNull) { + return out; + } else if (c === 0x00 || c === 0x03) { + // If the character is 3 (END_OF_TEXT) or 0 (NULL) then skip it + continue; } - } // compute lastPTS/lastDTS - - - sample = inputSamples[inputSamples.length - 1]; - lastDTS = Math.max(sample.dts, 0); - lastPTS = Math.max(sample.pts, 0, lastDTS); // on Safari let's signal the same sample duration for all samples - // sample duration (as expected by trun MP4 boxes), should be the delta between sample DTS - // set this constant duration as being the avg delta between consecutive DTS. - if (isSafari) { - mp4SampleDuration = Math.round((lastDTS - firstDTS) / (inputSamples.length - 1)); - } + switch (c >> 4) { + case 0: + case 1: + case 2: + case 3: + case 4: + case 5: + case 6: + case 7: + // 0xxxxxxx + out += String.fromCharCode(c); + break; - var nbNalu = 0, - naluLen = 0; + case 12: + case 13: + // 110x xxxx 10xx xxxx + char2 = array[i++]; + out += String.fromCharCode((c & 0x1F) << 6 | char2 & 0x3F); + break; - for (var _i = 0; _i < nbSamples; _i++) { - // compute total/avc sample length and nb of NAL units - var _sample = inputSamples[_i], - units = _sample.units, - nbUnits = units.length, - sampleLen = 0; + case 14: + // 1110 xxxx 10xx xxxx 10xx xxxx + char2 = array[i++]; + char3 = array[i++]; + out += String.fromCharCode((c & 0x0F) << 12 | (char2 & 0x3F) << 6 | (char3 & 0x3F) << 0); + break; - for (var j = 0; j < nbUnits; j++) { - sampleLen += units[j].data.length; + default: } + } - naluLen += sampleLen; - nbNalu += nbUnits; - _sample.length = sampleLen; // normalize PTS/DTS + return out; + }; - if (isSafari) { - // sample DTS is computed using a constant decoding offset (mp4SampleDuration) between samples - _sample.dts = firstDTS + _i * mp4SampleDuration; - } else { - // ensure sample monotonic DTS - _sample.dts = Math.max(_sample.dts, firstDTS); - } // ensure that computed value is greater or equal than sample DTS + return ID3; +}(); +var decoder; - _sample.pts = Math.max(_sample.pts, _sample.dts); - } - /* concatenate the video data and construct the mdat in place - (need 8 more bytes to fill length and mpdat type) */ +function getTextDecoder() { + var global = Object(_utils_get_self_scope__WEBPACK_IMPORTED_MODULE_0__["getSelfScope"])(); // safeguard for code that might run both on worker and main thread + if (!decoder && typeof global.TextDecoder !== 'undefined') { + decoder = new global.TextDecoder('utf-8'); + } - var mdatSize = naluLen + 4 * nbNalu + 8; + return decoder; +} - try { - mdat = new Uint8Array(mdatSize); - } catch (err) { - this.observer.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].MUX_ERROR, - details: errors["ErrorDetails"].REMUX_ALLOC_ERROR, - fatal: false, - bytes: mdatSize, - reason: "fail allocating video mdat " + mdatSize - }); - return; - } +var utf8ArrayToStr = ID3._utf8ArrayToStr; +/* harmony default export */ __webpack_exports__["default"] = (ID3); - var view = new DataView(mdat.buffer); - view.setUint32(0, mdatSize); - mdat.set(mp4_generator.types.mdat, 4); - for (var _i2 = 0; _i2 < nbSamples; _i2++) { - var avcSample = inputSamples[_i2], - avcSampleUnits = avcSample.units, - mp4SampleLength = 0, - compositionTimeOffset = void 0; // convert NALU bitstream to MP4 format (prepend NALU with size field) +/***/ }), - for (var _j = 0, _nbUnits = avcSampleUnits.length; _j < _nbUnits; _j++) { - var unit = avcSampleUnits[_j], - unitData = unit.data, - unitDataLen = unit.data.byteLength; - view.setUint32(offset, unitDataLen); - offset += 4; - mdat.set(unitData, offset); - offset += unitDataLen; - mp4SampleLength += 4 + unitDataLen; - } +/***/ "./src/demux/mp4demuxer.js": +/*!*********************************!*\ + !*** ./src/demux/mp4demuxer.js ***! + \*********************************/ +/*! exports provided: default */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { - if (!isSafari) { - // expected sample duration is the Decoding Timestamp diff of consecutive samples - if (_i2 < nbSamples - 1) { - mp4SampleDuration = inputSamples[_i2 + 1].dts - avcSample.dts; - } else { - var config = this.config, - lastFrameDuration = avcSample.dts - inputSamples[_i2 > 0 ? _i2 - 1 : _i2].dts; +"use strict"; +__webpack_require__.r(__webpack_exports__); +/* harmony import */ var _utils_logger__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../utils/logger */ "./src/utils/logger.js"); +/* harmony import */ var _events__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../events */ "./src/events.js"); +/** + * MP4 demuxer + */ - if (config.stretchShortVideoTrack) { - // In some cases, a segment's audio track duration may exceed the video track duration. - // Since we've already remuxed audio, and we know how long the audio track is, we look to - // see if the delta to the next segment is longer than maxBufferHole. - // If so, playback would potentially get stuck, so we artificially inflate - // the duration of the last frame to minimize any potential gap between segments. - var maxBufferHole = config.maxBufferHole, - gapTolerance = Math.floor(maxBufferHole * timeScale), - deltaToFrameEnd = (audioTrackLength ? firstPTS + audioTrackLength * timeScale : this.nextAudioPts) - avcSample.pts; - if (deltaToFrameEnd > gapTolerance) { - // We subtract lastFrameDuration from deltaToFrameEnd to try to prevent any video - // frame overlap. maxBufferHole should be >> lastFrameDuration anyway. - mp4SampleDuration = deltaToFrameEnd - lastFrameDuration; +var UINT32_MAX = Math.pow(2, 32) - 1; - if (mp4SampleDuration < 0) { - mp4SampleDuration = lastFrameDuration; - } +var MP4Demuxer = +/*#__PURE__*/ +function () { + function MP4Demuxer(observer, remuxer) { + this.observer = observer; + this.remuxer = remuxer; + } - logger["logger"].log("It is approximately " + toMsFromMpegTsClock(deltaToFrameEnd, false) + " ms to the next segment; using duration " + toMsFromMpegTsClock(mp4SampleDuration, false) + " ms for the last video frame."); - } else { - mp4SampleDuration = lastFrameDuration; - } - } else { - mp4SampleDuration = lastFrameDuration; - } - } + var _proto = MP4Demuxer.prototype; - compositionTimeOffset = Math.round(avcSample.pts - avcSample.dts); - } else { - compositionTimeOffset = Math.max(0, mp4SampleDuration * Math.round((avcSample.pts - avcSample.dts) / mp4SampleDuration)); - } // console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${avcSample.pts}/${avcSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(avcSample.pts/4294967296).toFixed(3)}'); + _proto.resetTimeStamp = function resetTimeStamp(initPTS) { + this.initPTS = initPTS; + }; + _proto.resetInitSegment = function resetInitSegment(initSegment, audioCodec, videoCodec, duration) { + // jshint unused:false + if (initSegment && initSegment.byteLength) { + var initData = this.initData = MP4Demuxer.parseInitSegment(initSegment); // default audio codec if nothing specified + // TODO : extract that from initsegment - outputSamples.push({ - size: mp4SampleLength, - // constant duration - duration: mp4SampleDuration, - cts: compositionTimeOffset, - flags: { - isLeading: 0, - isDependedOn: 0, - hasRedundancy: 0, - degradPrio: 0, - dependsOn: avcSample.key ? 2 : 1, - isNonSync: avcSample.key ? 0 : 1 - } - }); - } // next AVC sample DTS should be equal to last sample DTS + last sample duration (in PES timescale) + if (audioCodec == null) { + audioCodec = 'mp4a.40.5'; + } + if (videoCodec == null) { + videoCodec = 'avc1.42e01e'; + } - this.nextAvcDts = lastDTS + mp4SampleDuration; - var dropped = track.dropped; - track.nbNalu = 0; - track.dropped = 0; + var tracks = {}; - if (outputSamples.length && navigator.userAgent.toLowerCase().indexOf('chrome') > -1) { - var flags = outputSamples[0].flags; // chrome workaround, mark first sample as being a Random Access Point to avoid sourcebuffer append issue - // https://code.google.com/p/chromium/issues/detail?id=229412 + if (initData.audio && initData.video) { + tracks.audiovideo = { + container: 'video/mp4', + codec: audioCodec + ',' + videoCodec, + initSegment: duration ? initSegment : null + }; + } else { + if (initData.audio) { + tracks.audio = { + container: 'audio/mp4', + codec: audioCodec, + initSegment: duration ? initSegment : null + }; + } - flags.dependsOn = 2; - flags.isNonSync = 0; + if (initData.video) { + tracks.video = { + container: 'video/mp4', + codec: videoCodec, + initSegment: duration ? initSegment : null + }; + } + } + + this.observer.trigger(_events__WEBPACK_IMPORTED_MODULE_1__["default"].FRAG_PARSING_INIT_SEGMENT, { + tracks: tracks + }); + } else { + if (audioCodec) { + this.audioCodec = audioCodec; + } + + if (videoCodec) { + this.videoCodec = videoCodec; + } } + }; - track.samples = outputSamples; - moof = mp4_generator.moof(track.sequenceNumber++, firstDTS, track); - track.samples = []; - var data = { - data1: moof, - data2: mdat, - startPTS: firstPTS / timeScale, - endPTS: (lastPTS + mp4SampleDuration) / timeScale, - startDTS: firstDTS / timeScale, - endDTS: this.nextAvcDts / timeScale, - type: 'video', - hasAudio: false, - hasVideo: true, - nb: outputSamples.length, - dropped: dropped - }; - this.observer.trigger(events["default"].FRAG_PARSING_DATA, data); - return data; + MP4Demuxer.probe = function probe(data) { + // ensure we find a moof box in the first 16 kB + return MP4Demuxer.findBox({ + data: data, + start: 0, + end: Math.min(data.length, 16384) + }, ['moof']).length > 0; }; - _proto.remuxAudio = function remuxAudio(track, timeOffset, contiguous, accurateTimeOffset) { - var inputTimeScale = track.inputTimeScale; - var mp4timeScale = track.timescale; - var scaleFactor = inputTimeScale / mp4timeScale; - var mp4SampleDuration = track.isAAC ? 1024 : 1152; - var inputSampleDuration = mp4SampleDuration * scaleFactor; - var ptsNormalize = this._PTSNormalize; - var initPTS = this._initPTS; - var rawMPEG = !track.isAAC && this.typeSupported.mpeg; - var mp4Sample; - var fillFrame; - var mdat; - var moof; - var firstPTS; - var lastPTS; - var offset = rawMPEG ? 0 : 8; - var inputSamples = track.samples; - var outputSamples = []; - var nextAudioPts = this.nextAudioPts; // for audio samples, also consider consecutive fragments as being contiguous (even if a level switch occurs), - // for sake of clarity: - // consecutive fragments are frags with - // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR - // - less than 20 audio frames distance - // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1) - // this helps ensuring audio continuity - // and this also avoids audio glitches/cut when switching quality, or reporting wrong duration on first audio frame - - contiguous |= inputSamples.length && nextAudioPts && (accurateTimeOffset && Math.abs(timeOffset - nextAudioPts / inputTimeScale) < 0.1 || Math.abs(inputSamples[0].pts - nextAudioPts - initPTS) < 20 * inputSampleDuration); // compute normalized PTS - - inputSamples.forEach(function (sample) { - sample.pts = sample.dts = ptsNormalize(sample.pts - initPTS, timeOffset * inputTimeScale); - }); // filter out sample with negative PTS that are not playable anyway - // if we don't remove these negative samples, they will shift all audio samples forward. - // leading to audio overlap between current / next fragment - - inputSamples = inputSamples.filter(function (sample) { - return sample.pts >= 0; - }); // in case all samples have negative PTS, and have been filtered out, return now + MP4Demuxer.bin2str = function bin2str(buffer) { + return String.fromCharCode.apply(null, buffer); + }; - if (inputSamples.length === 0) { - return; + MP4Demuxer.readUint16 = function readUint16(buffer, offset) { + if (buffer.data) { + offset += buffer.start; + buffer = buffer.data; } - if (!contiguous) { - if (!accurateTimeOffset) { - // if frag are mot contiguous and if we cant trust time offset, let's use first sample PTS as next audio PTS - nextAudioPts = inputSamples[0].pts; - } else { - // if timeOffset is accurate, let's use it as predicted next audio PTS - nextAudioPts = timeOffset * inputTimeScale; - } - } // If the audio track is missing samples, the frames seem to get "left-shifted" within the - // resulting mp4 segment, causing sync issues and leaving gaps at the end of the audio segment. - // In an effort to prevent this from happening, we inject frames here where there are gaps. - // When possible, we inject a silent frame; when that's not possible, we duplicate the last - // frame. + var val = buffer[offset] << 8 | buffer[offset + 1]; + return val < 0 ? 65536 + val : val; + }; + MP4Demuxer.readUint32 = function readUint32(buffer, offset) { + if (buffer.data) { + offset += buffer.start; + buffer = buffer.data; + } - if (track.isAAC) { - var maxAudioFramesDrift = this.config.maxAudioFramesDrift; + var val = buffer[offset] << 24 | buffer[offset + 1] << 16 | buffer[offset + 2] << 8 | buffer[offset + 3]; + return val < 0 ? 4294967296 + val : val; + }; - for (var i = 0, nextPts = nextAudioPts; i < inputSamples.length;) { - // First, let's see how far off this frame is from where we expect it to be - var sample = inputSamples[i], - delta; - var pts = sample.pts; - delta = pts - nextPts; // If we're overlapping by more than a duration, drop this sample + MP4Demuxer.writeUint32 = function writeUint32(buffer, offset, value) { + if (buffer.data) { + offset += buffer.start; + buffer = buffer.data; + } - if (delta <= -maxAudioFramesDrift * inputSampleDuration) { - logger["logger"].warn("Dropping 1 audio frame @ " + toMsFromMpegTsClock(nextPts, true) + " ms due to " + toMsFromMpegTsClock(delta, true) + " ms overlap."); - inputSamples.splice(i, 1); // Don't touch nextPtsNorm or i - } // eslint-disable-line brace-style - // Insert missing frames if: - // 1: We're more than maxAudioFramesDrift frame away - // 2: Not more than MAX_SILENT_FRAME_DURATION away - // 3: currentTime (aka nextPtsNorm) is not 0 - else if (delta >= maxAudioFramesDrift * inputSampleDuration && delta < MAX_SILENT_FRAME_DURATION_90KHZ && nextPts) { - var missing = Math.round(delta / inputSampleDuration); - logger["logger"].warn("Injecting " + missing + " audio frames @ " + toMsFromMpegTsClock(nextPts, true) + " ms due to " + toMsFromMpegTsClock(nextPts, true) + " ms gap."); + buffer[offset] = value >> 24; + buffer[offset + 1] = value >> 16 & 0xff; + buffer[offset + 2] = value >> 8 & 0xff; + buffer[offset + 3] = value & 0xff; + } // Find the data for a box specified by its path + ; - for (var j = 0; j < missing; j++) { - var newStamp = Math.max(nextPts, 0); - fillFrame = aac_helper.getSilentFrame(track.manifestCodec || track.codec, track.channelCount); + MP4Demuxer.findBox = function findBox(data, path) { + var results = [], + i, + size, + type, + end, + subresults, + start, + endbox; - if (!fillFrame) { - logger["logger"].log('Unable to get silent frame for given audio codec; duplicating last frame instead.'); - fillFrame = sample.unit.subarray(); - } + if (data.data) { + start = data.start; + end = data.end; + data = data.data; + } else { + start = 0; + end = data.byteLength; + } - inputSamples.splice(i, 0, { - unit: fillFrame, - pts: newStamp, - dts: newStamp - }); - nextPts += inputSampleDuration; - i++; - } // Adjust sample to next expected pts + if (!path.length) { + // short-circuit the search for empty paths + return null; + } + for (i = start; i < end;) { + size = MP4Demuxer.readUint32(data, i); + type = MP4Demuxer.bin2str(data.subarray(i + 4, i + 8)); + endbox = size > 1 ? i + size : end; - sample.pts = sample.dts = nextPts; - nextPts += inputSampleDuration; - i++; - } else { - // Otherwise, just adjust pts - if (Math.abs(delta) > 0.1 * inputSampleDuration) {// logger.log(`Invalid frame delta ${Math.round(delta + inputSampleDuration)} at PTS ${Math.round(pts / 90)} (should be ${Math.round(inputSampleDuration)}).`); - } + if (type === path[0]) { + if (path.length === 1) { + // this is the end of the path and we've found the box we were + // looking for + results.push({ + data: data, + start: i + 8, + end: endbox + }); + } else { + // recursively search for the next box along the path + subresults = MP4Demuxer.findBox({ + data: data, + start: i + 8, + end: endbox + }, path.slice(1)); - sample.pts = sample.dts = nextPts; - nextPts += inputSampleDuration; - i++; + if (subresults.length) { + results = results.concat(subresults); } + } } - } // compute mdat size, as we eventually filtered/added some samples - - var nbSamples = inputSamples.length; - var mdatSize = 0; - - while (nbSamples--) { - mdatSize += inputSamples[nbSamples].unit.byteLength; - } + i = endbox; + } // we've finished searching all of data - for (var _j2 = 0, _nbSamples = inputSamples.length; _j2 < _nbSamples; _j2++) { - var audioSample = inputSamples[_j2]; - var unit = audioSample.unit; - var _pts = audioSample.pts; // logger.log(`Audio/PTS:${toMsFromMpegTsClock(pts, true)}`); - // if not first sample - if (lastPTS !== undefined) { - mp4Sample.duration = Math.round((_pts - lastPTS) / scaleFactor); - } else { - var _delta = _pts - nextAudioPts; + return results; + }; - var numMissingFrames = 0; // if fragment are contiguous, detect hole/overlapping between fragments - // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1) + MP4Demuxer.parseSegmentIndex = function parseSegmentIndex(initSegment) { + var moov = MP4Demuxer.findBox(initSegment, ['moov'])[0]; + var moovEndOffset = moov ? moov.end : null; // we need this in case we need to chop of garbage of the end of current data - if (contiguous && track.isAAC) { - // log delta - if (_delta) { - if (_delta > 0 && _delta < MAX_SILENT_FRAME_DURATION_90KHZ) { - // Q: why do we have to round here, shouldn't this always result in an integer if timestamps are correct, - // and if not, shouldn't we actually Math.ceil() instead? - numMissingFrames = Math.round((_pts - nextAudioPts) / inputSampleDuration); - logger["logger"].log(toMsFromMpegTsClock(_delta, true) + " ms hole between AAC samples detected,filling it"); + var index = 0; + var sidx = MP4Demuxer.findBox(initSegment, ['sidx']); + var references; - if (numMissingFrames > 0) { - fillFrame = aac_helper.getSilentFrame(track.manifestCodec || track.codec, track.channelCount); + if (!sidx || !sidx[0]) { + return null; + } - if (!fillFrame) { - fillFrame = unit.subarray(); - } + references = []; + sidx = sidx[0]; + var version = sidx.data[0]; // set initial offset, we skip the reference ID (not needed) - mdatSize += numMissingFrames * fillFrame.length; - } // if we have frame overlap, overlapping for more than half a frame duraion + index = version === 0 ? 8 : 16; + var timescale = MP4Demuxer.readUint32(sidx, index); + index += 4; // TODO: parse earliestPresentationTime and firstOffset + // usually zero in our case - } else if (_delta < -12) { - // drop overlapping audio frames... browser will deal with it - logger["logger"].log("drop overlapping AAC sample, expected/parsed/delta: " + toMsFromMpegTsClock(nextAudioPts, true) + " ms / " + toMsFromMpegTsClock(_pts, true) + " ms / " + toMsFromMpegTsClock(-_delta, true) + " ms"); - mdatSize -= unit.byteLength; - continue; - } // set PTS/DTS to expected PTS/DTS + var earliestPresentationTime = 0; + var firstOffset = 0; + if (version === 0) { + index += 8; + } else { + index += 16; + } // skip reserved - _pts = nextAudioPts; - } - } // remember first PTS of our audioSamples + index += 2; + var startByte = sidx.end + firstOffset; + var referencesCount = MP4Demuxer.readUint16(sidx, index); + index += 2; - firstPTS = _pts; + for (var i = 0; i < referencesCount; i++) { + var referenceIndex = index; + var referenceInfo = MP4Demuxer.readUint32(sidx, referenceIndex); + referenceIndex += 4; + var referenceSize = referenceInfo & 0x7FFFFFFF; + var referenceType = (referenceInfo & 0x80000000) >>> 31; - if (mdatSize > 0) { - mdatSize += offset; + if (referenceType === 1) { + console.warn('SIDX has hierarchical references (not supported)'); + return; + } - try { - mdat = new Uint8Array(mdatSize); - } catch (err) { - this.observer.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].MUX_ERROR, - details: errors["ErrorDetails"].REMUX_ALLOC_ERROR, - fatal: false, - bytes: mdatSize, - reason: "fail allocating audio mdat " + mdatSize - }); - return; - } - - if (!rawMPEG) { - var view = new DataView(mdat.buffer); - view.setUint32(0, mdatSize); - mdat.set(mp4_generator.types.mdat, 4); - } - } else { - // no audio samples - return; + var subsegmentDuration = MP4Demuxer.readUint32(sidx, referenceIndex); + referenceIndex += 4; + references.push({ + referenceSize: referenceSize, + subsegmentDuration: subsegmentDuration, + // unscaled + info: { + duration: subsegmentDuration / timescale, + start: startByte, + end: startByte + referenceSize - 1 } + }); + startByte += referenceSize; // Skipping 1 bit for |startsWithSap|, 3 bits for |sapType|, and 28 bits + // for |sapDelta|. - for (var _i3 = 0; _i3 < numMissingFrames; _i3++) { - fillFrame = aac_helper.getSilentFrame(track.manifestCodec || track.codec, track.channelCount); + referenceIndex += 4; // skip to next ref - if (!fillFrame) { - logger["logger"].log('Unable to get silent frame for given audio codec; duplicating this frame instead.'); - fillFrame = unit.subarray(); - } + index = referenceIndex; + } - mdat.set(fillFrame, offset); - offset += fillFrame.byteLength; - mp4Sample = { - size: fillFrame.byteLength, - cts: 0, - duration: 1024, - flags: { - isLeading: 0, - isDependedOn: 0, - hasRedundancy: 0, - degradPrio: 0, - dependsOn: 1 - } - }; - outputSamples.push(mp4Sample); - } - } + return { + earliestPresentationTime: earliestPresentationTime, + timescale: timescale, + version: version, + referencesCount: referencesCount, + references: references, + moovEndOffset: moovEndOffset + }; + } + /** + * Parses an MP4 initialization segment and extracts stream type and + * timescale values for any declared tracks. Timescale values indicate the + * number of clock ticks per second to assume for time-based values + * elsewhere in the MP4. + * + * To determine the start time of an MP4, you need two pieces of + * information: the timescale unit and the earliest base media decode + * time. Multiple timescales can be specified within an MP4 but the + * base media decode time is always expressed in the timescale from + * the media header box for the track: + * ``` + * moov > trak > mdia > mdhd.timescale + * moov > trak > mdia > hdlr + * ``` + * @param init {Uint8Array} the bytes of the init segment + * @return {object} a hash of track type to timescale values or null if + * the init segment is malformed. + */ + ; - mdat.set(unit, offset); - var unitLen = unit.byteLength; - offset += unitLen; // console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${audioSample.pts}/${audioSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(audioSample.pts/4294967296).toFixed(3)}'); + MP4Demuxer.parseInitSegment = function parseInitSegment(initSegment) { + var result = []; + var traks = MP4Demuxer.findBox(initSegment, ['moov', 'trak']); + traks.forEach(function (trak) { + var tkhd = MP4Demuxer.findBox(trak, ['tkhd'])[0]; - mp4Sample = { - size: unitLen, - cts: 0, - duration: 0, - flags: { - isLeading: 0, - isDependedOn: 0, - hasRedundancy: 0, - degradPrio: 0, - dependsOn: 1 - } - }; - outputSamples.push(mp4Sample); - lastPTS = _pts; - } + if (tkhd) { + var version = tkhd.data[tkhd.start]; + var index = version === 0 ? 12 : 20; + var trackId = MP4Demuxer.readUint32(tkhd, index); + var mdhd = MP4Demuxer.findBox(trak, ['mdia', 'mdhd'])[0]; - var lastSampleDuration = 0; - nbSamples = outputSamples.length; // set last sample duration as being identical to previous sample + if (mdhd) { + version = mdhd.data[mdhd.start]; + index = version === 0 ? 12 : 20; + var timescale = MP4Demuxer.readUint32(mdhd, index); + var hdlr = MP4Demuxer.findBox(trak, ['mdia', 'hdlr'])[0]; - if (nbSamples >= 2) { - lastSampleDuration = outputSamples[nbSamples - 2].duration; - mp4Sample.duration = lastSampleDuration; - } + if (hdlr) { + var hdlrType = MP4Demuxer.bin2str(hdlr.data.subarray(hdlr.start + 8, hdlr.start + 12)); + var type = { + 'soun': 'audio', + 'vide': 'video' + }[hdlrType]; - if (nbSamples) { - // next audio sample PTS should be equal to last sample PTS + duration - this.nextAudioPts = nextAudioPts = lastPTS + scaleFactor * lastSampleDuration; // logger.log('Audio/PTS/PTSend:' + audioSample.pts.toFixed(0) + '/' + this.nextAacDts.toFixed(0)); + if (type) { + // extract codec info. TODO : parse codec details to be able to build MIME type + var codecBox = MP4Demuxer.findBox(trak, ['mdia', 'minf', 'stbl', 'stsd']); - track.samples = outputSamples; + if (codecBox.length) { + codecBox = codecBox[0]; + var codecType = MP4Demuxer.bin2str(codecBox.data.subarray(codecBox.start + 12, codecBox.start + 16)); + _utils_logger__WEBPACK_IMPORTED_MODULE_0__["logger"].log("MP4Demuxer:" + type + ":" + codecType + " found"); + } - if (rawMPEG) { - moof = new Uint8Array(); - } else { - moof = mp4_generator.moof(track.sequenceNumber++, firstPTS / scaleFactor, track); + result[trackId] = { + timescale: timescale, + type: type + }; + result[type] = { + timescale: timescale, + id: trackId + }; + } + } + } } + }); + return result; + } + /** + * Determine the base media decode start time, in seconds, for an MP4 + * fragment. If multiple fragments are specified, the earliest time is + * returned. + * + * The base media decode time can be parsed from track fragment + * metadata: + * ``` + * moof > traf > tfdt.baseMediaDecodeTime + * ``` + * It requires the timescale value from the mdhd to interpret. + * + * @param timescale {object} a hash of track ids to timescale values. + * @return {number} the earliest base media decode start time for the + * fragment, in seconds + */ + ; - track.samples = []; - var start = firstPTS / inputTimeScale; - var end = nextAudioPts / inputTimeScale; - var audioData = { - data1: moof, - data2: mdat, - startPTS: start, - endPTS: end, - startDTS: start, - endDTS: end, - type: 'audio', - hasAudio: true, - hasVideo: false, - nb: nbSamples - }; - this.observer.trigger(events["default"].FRAG_PARSING_DATA, audioData); - return audioData; - } - - return null; - }; + MP4Demuxer.getStartDTS = function getStartDTS(initData, fragment) { + var trafs, baseTimes, result; // we need info from two childrend of each track fragment box - _proto.remuxEmptyAudio = function remuxEmptyAudio(track, timeOffset, contiguous, videoData) { - var inputTimeScale = track.inputTimeScale; - var mp4timeScale = track.samplerate ? track.samplerate : inputTimeScale; - var scaleFactor = inputTimeScale / mp4timeScale; - var nextAudioPts = this.nextAudioPts; // sync with video's timestamp + trafs = MP4Demuxer.findBox(fragment, ['moof', 'traf']); // determine the start times for each track - var startDTS = (nextAudioPts !== undefined ? nextAudioPts : videoData.startDTS * inputTimeScale) + this._initDTS; - var endDTS = videoData.endDTS * inputTimeScale + this._initDTS; // one sample's duration value + baseTimes = [].concat.apply([], trafs.map(function (traf) { + return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) { + var id, scale, baseTime; // get the track id from the tfhd - var sampleDuration = 1024; - var frameDuration = scaleFactor * sampleDuration; // samples count of this segment's duration + id = MP4Demuxer.readUint32(tfhd, 4); // assume a 90kHz clock if no timescale was specified - var nbSamples = Math.ceil((endDTS - startDTS) / frameDuration); // silent frame + scale = initData[id].timescale || 90e3; // get the base media decode time from the tfdt - var silentFrame = aac_helper.getSilentFrame(track.manifestCodec || track.codec, track.channelCount); - logger["logger"].warn('remux empty Audio'); // Can't remux if we can't generate a silent frame... + baseTime = MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) { + var version, result; + version = tfdt.data[tfdt.start]; + result = MP4Demuxer.readUint32(tfdt, 4); - if (!silentFrame) { - logger["logger"].trace('Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!'); - return; - } + if (version === 1) { + result *= Math.pow(2, 32); + result += MP4Demuxer.readUint32(tfdt, 8); + } - var samples = []; + return result; + })[0]; // convert base time to seconds - for (var i = 0; i < nbSamples; i++) { - var stamp = startDTS + i * frameDuration; - samples.push({ - unit: silentFrame, - pts: stamp, - dts: stamp + return baseTime / scale; }); - } + })); // return the minimum - track.samples = samples; - this.remuxAudio(track, timeOffset, contiguous); + result = Math.min.apply(null, baseTimes); + return isFinite(result) ? result : 0; }; - _proto.remuxID3 = function remuxID3(track) { - var length = track.samples.length, - sample; - var inputTimeScale = track.inputTimeScale; - var initPTS = this._initPTS; - var initDTS = this._initDTS; // consume samples + MP4Demuxer.offsetStartDTS = function offsetStartDTS(initData, fragment, timeOffset) { + MP4Demuxer.findBox(fragment, ['moof', 'traf']).map(function (traf) { + return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) { + // get the track id from the tfhd + var id = MP4Demuxer.readUint32(tfhd, 4); // assume a 90kHz clock if no timescale was specified - if (length) { - for (var index = 0; index < length; index++) { - sample = track.samples[index]; // setting id3 pts, dts to relative time - // using this._initPTS and this._initDTS to calculate relative time + var timescale = initData[id].timescale || 90e3; // get the base media decode time from the tfdt - sample.pts = (sample.pts - initPTS) / inputTimeScale; - sample.dts = (sample.dts - initDTS) / inputTimeScale; - } + MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) { + var version = tfdt.data[tfdt.start]; + var baseMediaDecodeTime = MP4Demuxer.readUint32(tfdt, 4); - this.observer.trigger(events["default"].FRAG_PARSING_METADATA, { - samples: track.samples + if (version === 0) { + MP4Demuxer.writeUint32(tfdt, 4, baseMediaDecodeTime - timeOffset * timescale); + } else { + baseMediaDecodeTime *= Math.pow(2, 32); + baseMediaDecodeTime += MP4Demuxer.readUint32(tfdt, 8); + baseMediaDecodeTime -= timeOffset * timescale; + baseMediaDecodeTime = Math.max(baseMediaDecodeTime, 0); + var upper = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1)); + var lower = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1)); + MP4Demuxer.writeUint32(tfdt, 4, upper); + MP4Demuxer.writeUint32(tfdt, 8, lower); + } + }); }); - } - - track.samples = []; - }; - - _proto.remuxText = function remuxText(track) { - track.samples.sort(function (a, b) { - return a.pts - b.pts; }); - var length = track.samples.length, - sample; - var inputTimeScale = track.inputTimeScale; - var initPTS = this._initPTS; // consume samples - - if (length) { - for (var index = 0; index < length; index++) { - sample = track.samples[index]; // setting text pts, dts to relative time - // using this._initPTS and this._initDTS to calculate relative time - - sample.pts = (sample.pts - initPTS) / inputTimeScale; - } - - this.observer.trigger(events["default"].FRAG_PARSING_USERDATA, { - samples: track.samples - }); - } - - track.samples = []; - }; + } // feed incoming data to the front of the parsing pipeline + ; - _proto._PTSNormalize = function _PTSNormalize(value, reference) { - var offset; + _proto.append = function append(data, timeOffset, contiguous, accurateTimeOffset) { + var initData = this.initData; - if (reference === undefined) { - return value; + if (!initData) { + this.resetInitSegment(data, this.audioCodec, this.videoCodec, false); + initData = this.initData; } - if (reference < value) { - // - 2^33 - offset = -8589934592; - } else { - // + 2^33 - offset = 8589934592; - } - /* PTS is 33bit (from 0 to 2^33 -1) - if diff between value and reference is bigger than half of the amplitude (2^32) then it means that - PTS looping occured. fill the gap */ + var startDTS, + initPTS = this.initPTS; + if (initPTS === undefined) { + var _startDTS = MP4Demuxer.getStartDTS(initData, data); - while (Math.abs(value - reference) > 4294967296) { - value += offset; + this.initPTS = initPTS = _startDTS - timeOffset; + this.observer.trigger(_events__WEBPACK_IMPORTED_MODULE_1__["default"].INIT_PTS_FOUND, { + initPTS: initPTS + }); } - return value; + MP4Demuxer.offsetStartDTS(initData, data, initPTS); + startDTS = MP4Demuxer.getStartDTS(initData, data); + this.remuxer.remux(initData.audio, initData.video, null, null, startDTS, contiguous, accurateTimeOffset, data); }; - return MP4Remuxer; -}(); - -/* harmony default export */ var mp4_remuxer = (mp4_remuxer_MP4Remuxer); -// CONCATENATED MODULE: ./src/remux/passthrough-remuxer.js -/** - * passthrough remuxer -*/ - - -var passthrough_remuxer_PassThroughRemuxer = -/*#__PURE__*/ -function () { - function PassThroughRemuxer(observer) { - this.observer = observer; - } - - var _proto = PassThroughRemuxer.prototype; - _proto.destroy = function destroy() {}; - _proto.resetTimeStamp = function resetTimeStamp() {}; - - _proto.resetInitSegment = function resetInitSegment() {}; - - _proto.remux = function remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset, rawData) { - var observer = this.observer; - var streamType = ''; - - if (audioTrack) { - streamType += 'audio'; - } - - if (videoTrack) { - streamType += 'video'; - } + return MP4Demuxer; +}(); - observer.trigger(events["default"].FRAG_PARSING_DATA, { - data1: rawData, - startPTS: timeOffset, - startDTS: timeOffset, - type: streamType, - hasAudio: !!audioTrack, - hasVideo: !!videoTrack, - nb: 1, - dropped: 0 - }); // notify end of parsing +/* harmony default export */ __webpack_exports__["default"] = (MP4Demuxer); - observer.trigger(events["default"].FRAG_PARSED); - }; +/***/ }), - return PassThroughRemuxer; -}(); +/***/ "./src/errors.ts": +/*!***********************!*\ + !*** ./src/errors.ts ***! + \***********************/ +/*! exports provided: ErrorTypes, ErrorDetails */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { -/* harmony default export */ var passthrough_remuxer = (passthrough_remuxer_PassThroughRemuxer); -// CONCATENATED MODULE: ./src/demux/demuxer-inline.js +"use strict"; +__webpack_require__.r(__webpack_exports__); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "ErrorTypes", function() { return ErrorTypes; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "ErrorDetails", function() { return ErrorDetails; }); +var ErrorTypes; /** - * - * inline demuxer: probe fragments and instantiate - * appropriate demuxer depending on content type (TSDemuxer, AACDemuxer, ...) - * + * @enum {ErrorDetails} + * @typedef {string} ErrorDetail */ +(function (ErrorTypes) { + ErrorTypes["NETWORK_ERROR"] = "networkError"; + ErrorTypes["MEDIA_ERROR"] = "mediaError"; + ErrorTypes["KEY_SYSTEM_ERROR"] = "keySystemError"; + ErrorTypes["MUX_ERROR"] = "muxError"; + ErrorTypes["OTHER_ERROR"] = "otherError"; +})(ErrorTypes || (ErrorTypes = {})); +var ErrorDetails; +(function (ErrorDetails) { + ErrorDetails["KEY_SYSTEM_NO_KEYS"] = "keySystemNoKeys"; + ErrorDetails["KEY_SYSTEM_NO_ACCESS"] = "keySystemNoAccess"; + ErrorDetails["KEY_SYSTEM_NO_SESSION"] = "keySystemNoSession"; + ErrorDetails["KEY_SYSTEM_LICENSE_REQUEST_FAILED"] = "keySystemLicenseRequestFailed"; + ErrorDetails["KEY_SYSTEM_NO_INIT_DATA"] = "keySystemNoInitData"; + ErrorDetails["MANIFEST_LOAD_ERROR"] = "manifestLoadError"; + ErrorDetails["MANIFEST_LOAD_TIMEOUT"] = "manifestLoadTimeOut"; + ErrorDetails["MANIFEST_PARSING_ERROR"] = "manifestParsingError"; + ErrorDetails["MANIFEST_INCOMPATIBLE_CODECS_ERROR"] = "manifestIncompatibleCodecsError"; + ErrorDetails["LEVEL_LOAD_ERROR"] = "levelLoadError"; + ErrorDetails["LEVEL_LOAD_TIMEOUT"] = "levelLoadTimeOut"; + ErrorDetails["LEVEL_SWITCH_ERROR"] = "levelSwitchError"; + ErrorDetails["AUDIO_TRACK_LOAD_ERROR"] = "audioTrackLoadError"; + ErrorDetails["AUDIO_TRACK_LOAD_TIMEOUT"] = "audioTrackLoadTimeOut"; + ErrorDetails["FRAG_LOAD_ERROR"] = "fragLoadError"; + ErrorDetails["FRAG_LOAD_TIMEOUT"] = "fragLoadTimeOut"; + ErrorDetails["FRAG_DECRYPT_ERROR"] = "fragDecryptError"; + ErrorDetails["FRAG_PARSING_ERROR"] = "fragParsingError"; + ErrorDetails["REMUX_ALLOC_ERROR"] = "remuxAllocError"; + ErrorDetails["KEY_LOAD_ERROR"] = "keyLoadError"; + ErrorDetails["KEY_LOAD_TIMEOUT"] = "keyLoadTimeOut"; + ErrorDetails["BUFFER_ADD_CODEC_ERROR"] = "bufferAddCodecError"; + ErrorDetails["BUFFER_APPEND_ERROR"] = "bufferAppendError"; + ErrorDetails["BUFFER_APPENDING_ERROR"] = "bufferAppendingError"; + ErrorDetails["BUFFER_STALLED_ERROR"] = "bufferStalledError"; + ErrorDetails["BUFFER_FULL_ERROR"] = "bufferFullError"; + ErrorDetails["BUFFER_SEEK_OVER_HOLE"] = "bufferSeekOverHole"; + ErrorDetails["BUFFER_NUDGE_ON_STALL"] = "bufferNudgeOnStall"; + ErrorDetails["INTERNAL_EXCEPTION"] = "internalException"; +})(ErrorDetails || (ErrorDetails = {})); +/***/ }), +/***/ "./src/events.js": +/*!***********************!*\ + !*** ./src/events.js ***! + \***********************/ +/*! exports provided: default */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { +"use strict"; +__webpack_require__.r(__webpack_exports__); +var _HlsEvents; +/** + * @readonly + * @enum {string} + */ +var HlsEvents = (_HlsEvents = { + // fired before MediaSource is attaching to media element - data: { media } + MEDIA_ATTACHING: 'hlsMediaAttaching', + // fired when MediaSource has been succesfully attached to media element - data: { } + MEDIA_ATTACHED: 'hlsMediaAttached', + // fired before detaching MediaSource from media element - data: { } + MEDIA_DETACHING: 'hlsMediaDetaching', + // fired when MediaSource has been detached from media element - data: { } + MEDIA_DETACHED: 'hlsMediaDetached', + // fired when we buffer is going to be reset - data: { } + BUFFER_RESET: 'hlsBufferReset', + // fired when we know about the codecs that we need buffers for to push into - data: {tracks : { container, codec, levelCodec, initSegment, metadata }} + BUFFER_CODECS: 'hlsBufferCodecs', + // fired when sourcebuffers have been created - data: { tracks : tracks } + BUFFER_CREATED: 'hlsBufferCreated', + // fired when we append a segment to the buffer - data: { segment: segment object } + BUFFER_APPENDING: 'hlsBufferAppending', + // fired when we are done with appending a media segment to the buffer - data : { parent : segment parent that triggered BUFFER_APPENDING, pending : nb of segments waiting for appending for this segment parent} + BUFFER_APPENDED: 'hlsBufferAppended', + // fired when the stream is finished and we want to notify the media buffer that there will be no more data - data: { } + BUFFER_EOS: 'hlsBufferEos', + // fired when the media buffer should be flushed - data { startOffset, endOffset } + BUFFER_FLUSHING: 'hlsBufferFlushing', + // fired when the media buffer has been flushed - data: { } + BUFFER_FLUSHED: 'hlsBufferFlushed', + // fired to signal that a manifest loading starts - data: { url : manifestURL} + MANIFEST_LOADING: 'hlsManifestLoading', + // fired after manifest has been loaded - data: { levels : [available quality levels], audioTracks : [ available audio tracks], url : manifestURL, stats : { trequest, tfirst, tload, mtime}} + MANIFEST_LOADED: 'hlsManifestLoaded', + // fired after manifest has been parsed - data: { levels : [available quality levels], firstLevel : index of first quality level appearing in Manifest} + MANIFEST_PARSED: 'hlsManifestParsed', + // fired when a level switch is requested - data: { level : id of new level } + LEVEL_SWITCHING: 'hlsLevelSwitching', + // fired when a level switch is effective - data: { level : id of new level } + LEVEL_SWITCHED: 'hlsLevelSwitched', + // fired when a level playlist loading starts - data: { url : level URL, level : id of level being loaded} + LEVEL_LOADING: 'hlsLevelLoading', + // fired when a level playlist loading finishes - data: { details : levelDetails object, level : id of loaded level, stats : { trequest, tfirst, tload, mtime} } + LEVEL_LOADED: 'hlsLevelLoaded', + // fired when a level's details have been updated based on previous details, after it has been loaded - data: { details : levelDetails object, level : id of updated level } + LEVEL_UPDATED: 'hlsLevelUpdated', + // fired when a level's PTS information has been updated after parsing a fragment - data: { details : levelDetails object, level : id of updated level, drift: PTS drift observed when parsing last fragment } + LEVEL_PTS_UPDATED: 'hlsLevelPtsUpdated', + // fired when the live back buffer is reached defined by the liveBackBufferLength config option - data : { bufferEnd: number } + LIVE_BACK_BUFFER_REACHED: 'hlsLiveBackBufferReached', + // fired to notify that audio track lists has been updated - data: { audioTracks : audioTracks } + AUDIO_TRACKS_UPDATED: 'hlsAudioTracksUpdated', + // fired when an audio track switching is requested - data: { id : audio track id } + AUDIO_TRACK_SWITCHING: 'hlsAudioTrackSwitching', + // fired when an audio track switch actually occurs - data: { id : audio track id } + AUDIO_TRACK_SWITCHED: 'hlsAudioTrackSwitched', + // fired when an audio track loading starts - data: { url : audio track URL, id : audio track id } + AUDIO_TRACK_LOADING: 'hlsAudioTrackLoading', + // fired when an audio track loading finishes - data: { details : levelDetails object, id : audio track id, stats : { trequest, tfirst, tload, mtime } } + AUDIO_TRACK_LOADED: 'hlsAudioTrackLoaded', + // fired to notify that subtitle track lists has been updated - data: { subtitleTracks : subtitleTracks } + SUBTITLE_TRACKS_UPDATED: 'hlsSubtitleTracksUpdated', + // fired when an subtitle track switch occurs - data: { id : subtitle track id } + SUBTITLE_TRACK_SWITCH: 'hlsSubtitleTrackSwitch', + // fired when a subtitle track loading starts - data: { url : subtitle track URL, id : subtitle track id } + SUBTITLE_TRACK_LOADING: 'hlsSubtitleTrackLoading', + // fired when a subtitle track loading finishes - data: { details : levelDetails object, id : subtitle track id, stats : { trequest, tfirst, tload, mtime } } + SUBTITLE_TRACK_LOADED: 'hlsSubtitleTrackLoaded', + // fired when a subtitle fragment has been processed - data: { success : boolean, frag : the processed frag } + SUBTITLE_FRAG_PROCESSED: 'hlsSubtitleFragProcessed', + // fired when the first timestamp is found - data: { id : demuxer id, initPTS: initPTS, frag : fragment object } + INIT_PTS_FOUND: 'hlsInitPtsFound', + // fired when a fragment loading starts - data: { frag : fragment object } + FRAG_LOADING: 'hlsFragLoading', + // fired when a fragment loading is progressing - data: { frag : fragment object, { trequest, tfirst, loaded } } + FRAG_LOAD_PROGRESS: 'hlsFragLoadProgress', + // Identifier for fragment load aborting for emergency switch down - data: { frag : fragment object } + FRAG_LOAD_EMERGENCY_ABORTED: 'hlsFragLoadEmergencyAborted', + // fired when a fragment loading is completed - data: { frag : fragment object, payload : fragment payload, stats : { trequest, tfirst, tload, length } } + FRAG_LOADED: 'hlsFragLoaded', + // fired when a fragment has finished decrypting - data: { id : demuxer id, frag: fragment object, payload : fragment payload, stats : { tstart, tdecrypt } } + FRAG_DECRYPTED: 'hlsFragDecrypted', + // fired when Init Segment has been extracted from fragment - data: { id : demuxer id, frag: fragment object, moov : moov MP4 box, codecs : codecs found while parsing fragment } + FRAG_PARSING_INIT_SEGMENT: 'hlsFragParsingInitSegment', + // fired when parsing sei text is completed - data: { id : demuxer id, frag: fragment object, samples : [ sei samples pes ] } + FRAG_PARSING_USERDATA: 'hlsFragParsingUserdata', + // fired when parsing id3 is completed - data: { id : demuxer id, frag: fragment object, samples : [ id3 samples pes ] } + FRAG_PARSING_METADATA: 'hlsFragParsingMetadata', + // fired when data have been extracted from fragment - data: { id : demuxer id, frag: fragment object, data1 : moof MP4 box or TS fragments, data2 : mdat MP4 box or null} + FRAG_PARSING_DATA: 'hlsFragParsingData', + // fired when fragment parsing is completed - data: { id : demuxer id, frag: fragment object } + FRAG_PARSED: 'hlsFragParsed', + // fired when fragment remuxed MP4 boxes have all been appended into SourceBuffer - data: { id : demuxer id, frag : fragment object, stats : { trequest, tfirst, tload, tparsed, tbuffered, length, bwEstimate } } + FRAG_BUFFERED: 'hlsFragBuffered', + // fired when fragment matching with current media position is changing - data : { id : demuxer id, frag : fragment object } + FRAG_CHANGED: 'hlsFragChanged', + // Identifier for a FPS drop event - data: { curentDropped, currentDecoded, totalDroppedFrames } + FPS_DROP: 'hlsFpsDrop', + // triggered when FPS drop triggers auto level capping - data: { level, droppedlevel } + FPS_DROP_LEVEL_CAPPING: 'hlsFpsDropLevelCapping', + // Identifier for an error event - data: { type : error type, details : error details, fatal : if true, hls.js cannot/will not try to recover, if false, hls.js will try to recover,other error specific data } + ERROR: 'hlsError', + // fired when hls.js instance starts destroying. Different from MEDIA_DETACHED as one could want to detach and reattach a media to the instance of hls.js to handle mid-rolls for example - data: { } + DESTROYING: 'hlsDestroying', + // fired when a decrypt key loading starts - data: { frag : fragment object } + KEY_LOADING: 'hlsKeyLoading', + // fired when a decrypt key loading is completed - data: { frag : fragment object, payload : key payload, stats : { trequest, tfirst, tload, length } } + KEY_LOADED: 'hlsKeyLoaded', + // fired upon stream controller state transitions - data: { previousState, nextState } + STREAM_STATE_TRANSITION: 'hlsStreamStateTransition' +}, _HlsEvents["LIVE_BACK_BUFFER_REACHED"] = 'hlsLiveBackBufferReached', _HlsEvents.CAN_PLAY_AFTER_SEEK = 'hlsCanPlayAfterSeek', _HlsEvents); +/* harmony default export */ __webpack_exports__["default"] = (HlsEvents); +/***/ }), +/***/ "./src/hls.ts": +/*!*********************************!*\ + !*** ./src/hls.ts + 50 modules ***! + \*********************************/ +/*! exports provided: default */ +/*! ModuleConcatenation bailout: Cannot concat with ./src/crypt/decrypter.js because of ./src/demux/demuxer-worker.js */ +/*! ModuleConcatenation bailout: Cannot concat with ./src/demux/demuxer-inline.js because of ./src/demux/demuxer-worker.js */ +/*! ModuleConcatenation bailout: Cannot concat with ./src/demux/id3.js because of ./src/demux/demuxer-worker.js */ +/*! ModuleConcatenation bailout: Cannot concat with ./src/demux/mp4demuxer.js because of ./src/demux/demuxer-worker.js */ +/*! ModuleConcatenation bailout: Cannot concat with ./src/errors.ts because of ./src/demux/demuxer-worker.js */ +/*! ModuleConcatenation bailout: Cannot concat with ./src/events.js because of ./src/demux/demuxer-worker.js */ +/*! ModuleConcatenation bailout: Cannot concat with ./src/polyfills/number-isFinite.js because of ./src/demux/demuxer-worker.js */ +/*! ModuleConcatenation bailout: Cannot concat with ./src/remux/mp4-remuxer.js because of ./src/demux/demuxer-worker.js */ +/*! ModuleConcatenation bailout: Cannot concat with ./src/utils/get-self-scope.js because of ./src/demux/demuxer-worker.js */ +/*! ModuleConcatenation bailout: Cannot concat with ./src/utils/logger.js because of ./src/demux/demuxer-worker.js */ +/*! ModuleConcatenation bailout: Cannot concat with ./src/utils/timescale-conversion.ts because of ./src/demux/demuxer-worker.js */ +/*! ModuleConcatenation bailout: Cannot concat with ./node_modules/eventemitter3/index.js (<- Module is not an ECMAScript module) */ +/*! ModuleConcatenation bailout: Cannot concat with ./node_modules/url-toolkit/src/url-toolkit.js (<- Module is not an ECMAScript module) */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { - // see https://stackoverflow.com/a/11237259/589493 - -var global = Object(get_self_scope["getSelfScope"])(); // safeguard for code that might run both on worker and main thread - -var now; // performance.now() not available on WebWorker, at least on Safari Desktop - -try { - now = global.performance.now.bind(global.performance); -} catch (err) { - logger["logger"].debug('Unable to use Performance API on this environment'); - now = global.Date.now; -} - -var demuxer_inline_DemuxerInline = -/*#__PURE__*/ -function () { - function DemuxerInline(observer, typeSupported, config, vendor) { - this.observer = observer; - this.typeSupported = typeSupported; - this.config = config; - this.vendor = vendor; - } - - var _proto = DemuxerInline.prototype; - - _proto.destroy = function destroy() { - var demuxer = this.demuxer; - - if (demuxer) { - demuxer.destroy(); - } - }; - - _proto.push = function push(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) { - var _this = this; - - if (data.byteLength > 0 && decryptdata != null && decryptdata.key != null && decryptdata.method === 'AES-128') { - var decrypter = this.decrypter; - - if (decrypter == null) { - decrypter = this.decrypter = new crypt_decrypter["default"](this.observer, this.config); - } - - var startTime = now(); - decrypter.decrypt(data, decryptdata.key.buffer, decryptdata.iv.buffer, function (decryptedData) { - var endTime = now(); - - _this.observer.trigger(events["default"].FRAG_DECRYPTED, { - stats: { - tstart: startTime, - tdecrypt: endTime - } - }); - - _this.pushDecrypted(new Uint8Array(decryptedData), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS); - }); - } else { - this.pushDecrypted(new Uint8Array(data), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS); - } - }; - - _proto.pushDecrypted = function pushDecrypted(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) { - var demuxer = this.demuxer; +"use strict"; +__webpack_require__.r(__webpack_exports__); +var cues_namespaceObject = {}; +__webpack_require__.r(cues_namespaceObject); +__webpack_require__.d(cues_namespaceObject, "newCue", function() { return newCue; }); - if (!demuxer || // in case of continuity change, or track switch - // we might switch from content type (AAC container to TS container, or TS to fmp4 for example) - // so let's check that current demuxer is still valid - (discontinuity || trackSwitch) && !this.probe(data)) { - var observer = this.observer; - var typeSupported = this.typeSupported; - var config = this.config; // probing order is TS/MP4/AAC/MP3 +// EXTERNAL MODULE: ./node_modules/url-toolkit/src/url-toolkit.js +var url_toolkit = __webpack_require__("./node_modules/url-toolkit/src/url-toolkit.js"); - var muxConfig = [{ - demux: tsdemuxer, - remux: mp4_remuxer - }, { - demux: mp4demuxer["default"], - remux: passthrough_remuxer - }, { - demux: aacdemuxer, - remux: mp4_remuxer - }, { - demux: mp3demuxer, - remux: mp4_remuxer - }]; // probe for content type +// EXTERNAL MODULE: ./src/errors.ts +var errors = __webpack_require__("./src/errors.ts"); - for (var i = 0, len = muxConfig.length; i < len; i++) { - var mux = muxConfig[i]; - var probe = mux.demux.probe; +// EXTERNAL MODULE: ./src/polyfills/number-isFinite.js +var number_isFinite = __webpack_require__("./src/polyfills/number-isFinite.js"); - if (probe(data)) { - var _remuxer = this.remuxer = new mux.remux(observer, config, typeSupported, this.vendor); +// EXTERNAL MODULE: ./src/events.js +var events = __webpack_require__("./src/events.js"); - demuxer = new mux.demux(observer, _remuxer, config, typeSupported); - this.probe = probe; - break; - } - } +// EXTERNAL MODULE: ./src/utils/logger.js +var logger = __webpack_require__("./src/utils/logger.js"); - if (!demuxer) { - observer.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].MEDIA_ERROR, - details: errors["ErrorDetails"].FRAG_PARSING_ERROR, - fatal: true, - reason: 'no demux matching with content found' - }); - return; - } +// CONCATENATED MODULE: ./src/event-handler.ts +/* +* +* All objects in the event handling chain should inherit from this class +* +*/ - this.demuxer = demuxer; - } - var remuxer = this.remuxer; - if (discontinuity || trackSwitch) { - demuxer.resetInitSegment(initSegment, audioCodec, videoCodec, duration); - remuxer.resetInitSegment(); - } +var FORBIDDEN_EVENT_NAMES = { + 'hlsEventGeneric': true, + 'hlsHandlerDestroying': true, + 'hlsHandlerDestroyed': true +}; - if (discontinuity) { - demuxer.resetTimeStamp(defaultInitPTS); - remuxer.resetTimeStamp(defaultInitPTS); - } +var event_handler_EventHandler = +/*#__PURE__*/ +function () { + function EventHandler(hls) { + this.hls = void 0; + this.handledEvents = void 0; + this.useGenericHandler = void 0; + this.hls = hls; + this.onEvent = this.onEvent.bind(this); - if (typeof demuxer.setDecryptData === 'function') { - demuxer.setDecryptData(decryptdata); + for (var _len = arguments.length, events = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { + events[_key - 1] = arguments[_key]; } - demuxer.append(data, timeOffset, contiguous, accurateTimeOffset); - }; + this.handledEvents = events; + this.useGenericHandler = true; + this.registerListeners(); + } - return DemuxerInline; -}(); + var _proto = EventHandler.prototype; -/* harmony default export */ var demuxer_inline = __webpack_exports__["default"] = (demuxer_inline_DemuxerInline); + _proto.destroy = function destroy() { + this.onHandlerDestroying(); + this.unregisterListeners(); + this.onHandlerDestroyed(); + }; -/***/ }), + _proto.onHandlerDestroying = function onHandlerDestroying() {}; -/***/ "./src/demux/demuxer-worker.js": -/*!*************************************!*\ - !*** ./src/demux/demuxer-worker.js ***! - \*************************************/ -/*! exports provided: default */ -/*! ModuleConcatenation bailout: Module is referenced from these modules with unsupported syntax: ./src/demux/demuxer.js (referenced with require.resolve) */ -/***/ (function(module, __webpack_exports__, __webpack_require__) { + _proto.onHandlerDestroyed = function onHandlerDestroyed() {}; -"use strict"; -__webpack_require__.r(__webpack_exports__); -/* harmony import */ var _demux_demuxer_inline__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../demux/demuxer-inline */ "./src/demux/demuxer-inline.js"); -/* harmony import */ var _events__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../events */ "./src/events.js"); -/* harmony import */ var _utils_logger__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../utils/logger */ "./src/utils/logger.js"); -/* harmony import */ var eventemitter3__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! eventemitter3 */ "./node_modules/eventemitter3/index.js"); -/* harmony import */ var eventemitter3__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(eventemitter3__WEBPACK_IMPORTED_MODULE_3__); -/* demuxer web worker. - * - listen to worker message, and trigger DemuxerInline upon reception of Fragments. - * - provides MP4 Boxes back to main thread using [transferable objects](https://developers.google.com/web/updates/2011/12/Transferable-Objects-Lightning-Fast) in order to minimize message passing overhead. - */ + _proto.isEventHandler = function isEventHandler() { + return typeof this.handledEvents === 'object' && this.handledEvents.length && typeof this.onEvent === 'function'; + }; + _proto.registerListeners = function registerListeners() { + if (this.isEventHandler()) { + this.handledEvents.forEach(function (event) { + if (FORBIDDEN_EVENT_NAMES[event]) { + throw new Error('Forbidden event-name: ' + event); + } + this.hls.on(event, this.onEvent); + }, this); + } + }; + _proto.unregisterListeners = function unregisterListeners() { + if (this.isEventHandler()) { + this.handledEvents.forEach(function (event) { + this.hls.off(event, this.onEvent); + }, this); + } + } + /** + * arguments: event (string), data (any) + */ + ; + _proto.onEvent = function onEvent(event, data) { + this.onEventGeneric(event, data); + }; -var DemuxerWorker = function DemuxerWorker(self) { - // observer setup - var observer = new eventemitter3__WEBPACK_IMPORTED_MODULE_3__["EventEmitter"](); + _proto.onEventGeneric = function onEventGeneric(event, data) { + var eventToFunction = function eventToFunction(event, data) { + var funcName = 'on' + event.replace('hls', ''); - observer.trigger = function trigger(event) { - for (var _len = arguments.length, data = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { - data[_key - 1] = arguments[_key]; - } + if (typeof this[funcName] !== 'function') { + throw new Error("Event " + event + " has no generic handler in this " + this.constructor.name + " class (tried " + funcName + ")"); + } - observer.emit.apply(observer, [event, event].concat(data)); - }; + return this[funcName].bind(this, data); + }; - observer.off = function off(event) { - for (var _len2 = arguments.length, data = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) { - data[_key2 - 1] = arguments[_key2]; + try { + eventToFunction.call(this, event, data).call(); + } catch (err) { + logger["logger"].error("An internal error happened while handling event " + event + ". Error message: \"" + err.message + "\". Here is a stacktrace:", err); + this.hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].OTHER_ERROR, + details: errors["ErrorDetails"].INTERNAL_EXCEPTION, + fatal: false, + event: event, + err: err + }); } - - observer.removeListener.apply(observer, [event].concat(data)); }; - var forwardMessage = function forwardMessage(ev, data) { - self.postMessage({ - event: ev, - data: data - }); - }; + return EventHandler; +}(); - self.addEventListener('message', function (ev) { - var data = ev.data; // console.log('demuxer cmd:' + data.cmd); +/* harmony default export */ var event_handler = (event_handler_EventHandler); +// CONCATENATED MODULE: ./src/types/loader.ts +/** + * `type` property values for this loaders' context object + * @enum + * + */ +var PlaylistContextType; +/** + * @enum {string} + */ - switch (data.cmd) { - case 'init': - var config = JSON.parse(data.config); - self.demuxer = new _demux_demuxer_inline__WEBPACK_IMPORTED_MODULE_0__["default"](observer, data.typeSupported, config, data.vendor); - Object(_utils_logger__WEBPACK_IMPORTED_MODULE_2__["enableLogs"])(config.debug); // signal end of worker init +(function (PlaylistContextType) { + PlaylistContextType["MANIFEST"] = "manifest"; + PlaylistContextType["LEVEL"] = "level"; + PlaylistContextType["AUDIO_TRACK"] = "audioTrack"; + PlaylistContextType["SUBTITLE_TRACK"] = "subtitleTrack"; +})(PlaylistContextType || (PlaylistContextType = {})); - forwardMessage('init', null); - break; +var PlaylistLevelType; - case 'demux': - self.demuxer.push(data.data, data.decryptdata, data.initSegment, data.audioCodec, data.videoCodec, data.timeOffset, data.discontinuity, data.trackSwitch, data.contiguous, data.duration, data.accurateTimeOffset, data.defaultInitPTS); - break; +(function (PlaylistLevelType) { + PlaylistLevelType["MAIN"] = "main"; + PlaylistLevelType["AUDIO"] = "audio"; + PlaylistLevelType["SUBTITLE"] = "subtitle"; +})(PlaylistLevelType || (PlaylistLevelType = {})); +// EXTERNAL MODULE: ./src/demux/mp4demuxer.js +var mp4demuxer = __webpack_require__("./src/demux/mp4demuxer.js"); - default: - break; - } - }); // forward events to main thread +// CONCATENATED MODULE: ./src/loader/level-key.ts +function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } - observer.on(_events__WEBPACK_IMPORTED_MODULE_1__["default"].FRAG_DECRYPTED, forwardMessage); - observer.on(_events__WEBPACK_IMPORTED_MODULE_1__["default"].FRAG_PARSING_INIT_SEGMENT, forwardMessage); - observer.on(_events__WEBPACK_IMPORTED_MODULE_1__["default"].FRAG_PARSED, forwardMessage); - observer.on(_events__WEBPACK_IMPORTED_MODULE_1__["default"].ERROR, forwardMessage); - observer.on(_events__WEBPACK_IMPORTED_MODULE_1__["default"].FRAG_PARSING_METADATA, forwardMessage); - observer.on(_events__WEBPACK_IMPORTED_MODULE_1__["default"].FRAG_PARSING_USERDATA, forwardMessage); - observer.on(_events__WEBPACK_IMPORTED_MODULE_1__["default"].INIT_PTS_FOUND, forwardMessage); // special case for FRAG_PARSING_DATA: pass data1/data2 as transferable object (no copy) +function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } - observer.on(_events__WEBPACK_IMPORTED_MODULE_1__["default"].FRAG_PARSING_DATA, function (ev, data) { - var transferable = []; - var message = { - event: ev, - data: data - }; - if (data.data1) { - message.data1 = data.data1.buffer; - transferable.push(data.data1.buffer); - delete data.data1; - } - if (data.data2) { - message.data2 = data.data2.buffer; - transferable.push(data.data2.buffer); - delete data.data2; +var level_key_LevelKey = +/*#__PURE__*/ +function () { + function LevelKey(baseURI, relativeURI) { + this._uri = null; + this.baseuri = void 0; + this.reluri = void 0; + this.method = null; + this.key = null; + this.iv = null; + this.baseuri = baseURI; + this.reluri = relativeURI; + } + + _createClass(LevelKey, [{ + key: "uri", + get: function get() { + if (!this._uri && this.reluri) { + this._uri = Object(url_toolkit["buildAbsoluteURL"])(this.baseuri, this.reluri, { + alwaysNormalize: true + }); + } + + return this._uri; } + }]); - self.postMessage(message, transferable); - }); -}; + return LevelKey; +}(); -/* harmony default export */ __webpack_exports__["default"] = (DemuxerWorker); -/***/ }), +// CONCATENATED MODULE: ./src/loader/fragment.ts -/***/ "./src/demux/id3.js": -/*!**************************!*\ - !*** ./src/demux/id3.js ***! - \**************************/ -/*! exports provided: default, utf8ArrayToStr */ -/***/ (function(module, __webpack_exports__, __webpack_require__) { -"use strict"; -__webpack_require__.r(__webpack_exports__); -/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "utf8ArrayToStr", function() { return utf8ArrayToStr; }); -/* harmony import */ var _utils_get_self_scope__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../utils/get-self-scope */ "./src/utils/get-self-scope.js"); -/** - * ID3 parser - */ +function fragment_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } -var ID3 = +function fragment_createClass(Constructor, protoProps, staticProps) { if (protoProps) fragment_defineProperties(Constructor.prototype, protoProps); if (staticProps) fragment_defineProperties(Constructor, staticProps); return Constructor; } + + + + +var ElementaryStreamTypes; + +(function (ElementaryStreamTypes) { + ElementaryStreamTypes["AUDIO"] = "audio"; + ElementaryStreamTypes["VIDEO"] = "video"; +})(ElementaryStreamTypes || (ElementaryStreamTypes = {})); + +var fragment_Fragment = /*#__PURE__*/ function () { - function ID3() {} + function Fragment() { + var _this$_elementaryStre; + + this._url = null; + this._byteRange = null; + this._decryptdata = null; + this._elementaryStreams = (_this$_elementaryStre = {}, _this$_elementaryStre[ElementaryStreamTypes.AUDIO] = false, _this$_elementaryStre[ElementaryStreamTypes.VIDEO] = false, _this$_elementaryStre); + this.deltaPTS = 0; + this.rawProgramDateTime = null; + this.programDateTime = null; + this.title = null; + this.tagList = []; + this.cc = void 0; + this.type = void 0; + this.relurl = void 0; + this.baseurl = void 0; + this.duration = void 0; + this.start = void 0; + this.sn = 0; + this.urlId = 0; + this.level = 0; + this.levelkey = void 0; + this.loader = void 0; + } + + var _proto = Fragment.prototype; + + // setByteRange converts a EXT-X-BYTERANGE attribute into a two element array + _proto.setByteRange = function setByteRange(value, previousFrag) { + var params = value.split('@', 2); + var byteRange = []; + + if (params.length === 1) { + byteRange[0] = previousFrag ? previousFrag.byteRangeEndOffset : 0; + } else { + byteRange[0] = parseInt(params[1]); + } + + byteRange[1] = parseInt(params[0]) + byteRange[0]; + this._byteRange = byteRange; + }; /** - * Returns true if an ID3 header can be found at offset in data - * @param {Uint8Array} data - The data to search in - * @param {number} offset - The offset at which to start searching - * @return {boolean} - True if an ID3 header is found + * @param {ElementaryStreamTypes} type */ - ID3.isHeader = function isHeader(data, offset) { - /* - * http://id3.org/id3v2.3.0 - * [0] = 'I' - * [1] = 'D' - * [2] = '3' - * [3,4] = {Version} - * [5] = {Flags} - * [6-9] = {ID3 Size} - * - * An ID3v2 tag can be detected with the following pattern: - * $49 44 33 yy yy xx zz zz zz zz - * Where yy is less than $FF, xx is the 'flags' byte and zz is less than $80 - */ - if (offset + 10 <= data.length) { - // look for 'ID3' identifier - if (data[offset] === 0x49 && data[offset + 1] === 0x44 && data[offset + 2] === 0x33) { - // check version is within range - if (data[offset + 3] < 0xFF && data[offset + 4] < 0xFF) { - // check size is within range - if (data[offset + 6] < 0x80 && data[offset + 7] < 0x80 && data[offset + 8] < 0x80 && data[offset + 9] < 0x80) { - return true; - } - } - } - } - - return false; + _proto.addElementaryStream = function addElementaryStream(type) { + this._elementaryStreams[type] = true; } /** - * Returns true if an ID3 footer can be found at offset in data - * @param {Uint8Array} data - The data to search in - * @param {number} offset - The offset at which to start searching - * @return {boolean} - True if an ID3 footer is found + * @param {ElementaryStreamTypes} type */ ; - ID3.isFooter = function isFooter(data, offset) { - /* - * The footer is a copy of the header, but with a different identifier - */ - if (offset + 10 <= data.length) { - // look for '3DI' identifier - if (data[offset] === 0x33 && data[offset + 1] === 0x44 && data[offset + 2] === 0x49) { - // check version is within range - if (data[offset + 3] < 0xFF && data[offset + 4] < 0xFF) { - // check size is within range - if (data[offset + 6] < 0x80 && data[offset + 7] < 0x80 && data[offset + 8] < 0x80 && data[offset + 9] < 0x80) { - return true; - } - } - } - } - - return false; + _proto.hasElementaryStream = function hasElementaryStream(type) { + return this._elementaryStreams[type] === true; } /** - * Returns any adjacent ID3 tags found in data starting at offset, as one block of data - * @param {Uint8Array} data - The data to search in - * @param {number} offset - The offset at which to start searching - * @return {Uint8Array} - The block of data containing any ID3 tags found + * Utility method for parseLevelPlaylist to create an initialization vector for a given segment + * @param {number} segmentNumber - segment number to generate IV with + * @returns {Uint8Array} */ ; - ID3.getID3Data = function getID3Data(data, offset) { - var front = offset; - var length = 0; - - while (ID3.isHeader(data, offset)) { - // ID3 header is 10 bytes - length += 10; - - var size = ID3._readSize(data, offset + 6); - - length += size; - - if (ID3.isFooter(data, offset + 10)) { - // ID3 footer is 10 bytes - length += 10; - } - - offset += length; - } + _proto.createInitializationVector = function createInitializationVector(segmentNumber) { + var uint8View = new Uint8Array(16); - if (length > 0) { - return data.subarray(front, front + length); + for (var i = 12; i < 16; i++) { + uint8View[i] = segmentNumber >> 8 * (15 - i) & 0xff; } - return undefined; - }; - - ID3._readSize = function _readSize(data, offset) { - var size = 0; - size = (data[offset] & 0x7f) << 21; - size |= (data[offset + 1] & 0x7f) << 14; - size |= (data[offset + 2] & 0x7f) << 7; - size |= data[offset + 3] & 0x7f; - return size; + return uint8View; } /** - * Searches for the Elementary Stream timestamp found in the ID3 data chunk - * @param {Uint8Array} data - Block of data containing one or more ID3 tags - * @return {number} - The timestamp + * Utility method for parseLevelPlaylist to get a fragment's decryption data from the currently parsed encryption key data + * @param levelkey - a playlist's encryption info + * @param segmentNumber - the fragment's segment number + * @returns {LevelKey} - an object to be applied as a fragment's decryptdata */ ; - ID3.getTimeStamp = function getTimeStamp(data) { - var frames = ID3.getID3Frames(data); - - for (var i = 0; i < frames.length; i++) { - var frame = frames[i]; + _proto.setDecryptDataFromLevelKey = function setDecryptDataFromLevelKey(levelkey, segmentNumber) { + var decryptdata = levelkey; - if (ID3.isTimeStampFrame(frame)) { - return ID3._readTimeStamp(frame); - } + if (levelkey && levelkey.method && levelkey.uri && !levelkey.iv) { + decryptdata = new level_key_LevelKey(levelkey.baseuri, levelkey.reluri); + decryptdata.method = levelkey.method; + decryptdata.iv = this.createInitializationVector(segmentNumber); } - return undefined; - } - /** - * Returns true if the ID3 frame is an Elementary Stream timestamp frame - * @param {ID3 frame} frame - */ - ; - - ID3.isTimeStampFrame = function isTimeStampFrame(frame) { - return frame && frame.key === 'PRIV' && frame.info === 'com.apple.streaming.transportStreamTimestamp'; + return decryptdata; }; - ID3._getFrameData = function _getFrameData(data) { - /* - Frame ID $xx xx xx xx (four characters) - Size $xx xx xx xx - Flags $xx xx - */ - var type = String.fromCharCode(data[0], data[1], data[2], data[3]); - - var size = ID3._readSize(data, 4); // skip frame id, size, and flags - - - var offset = 10; - return { - type: type, - size: size, - data: data.subarray(offset, offset + size) - }; - } - /** - * Returns an array of ID3 frames found in all the ID3 tags in the id3Data - * @param {Uint8Array} id3Data - The ID3 data containing one or more ID3 tags - * @return {ID3 frame[]} - Array of ID3 frame objects - */ - ; + fragment_createClass(Fragment, [{ + key: "url", + get: function get() { + if (!this._url && this.relurl) { + this._url = Object(url_toolkit["buildAbsoluteURL"])(this.baseurl, this.relurl, { + alwaysNormalize: true + }); + } - ID3.getID3Frames = function getID3Frames(id3Data) { - var offset = 0; - var frames = []; + return this._url; + }, + set: function set(value) { + this._url = value; + } + }, { + key: "byteRange", + get: function get() { + if (!this._byteRange) { + return []; + } - while (ID3.isHeader(id3Data, offset)) { - var size = ID3._readSize(id3Data, offset + 6); // skip past ID3 header + return this._byteRange; + } + /** + * @type {number} + */ + }, { + key: "byteRangeStartOffset", + get: function get() { + return this.byteRange[0]; + } + }, { + key: "byteRangeEndOffset", + get: function get() { + return this.byteRange[1]; + } + }, { + key: "decryptdata", + get: function get() { + if (!this.levelkey && !this._decryptdata) { + return null; + } - offset += 10; - var end = offset + size; // loop through frames in the ID3 tag + if (!this._decryptdata && this.levelkey) { + var sn = this.sn; - while (offset + 8 < end) { - var frameData = ID3._getFrameData(id3Data.subarray(offset)); + if (typeof sn !== 'number') { + // We are fetching decryption data for a initialization segment + // If the segment was encrypted with AES-128 + // It must have an IV defined. We cannot substitute the Segment Number in. + if (this.levelkey && this.levelkey.method === 'AES-128' && !this.levelkey.iv) { + logger["logger"].warn("missing IV for initialization segment with method=\"" + this.levelkey.method + "\" - compliance issue"); + } + /* + Be converted to a Number. + 'initSegment' will become NaN. + NaN, which when converted through ToInt32() -> +0. + --- + Explicitly set sn to resulting value from implicit conversions 'initSegment' values for IV generation. + */ - var frame = ID3._decodeFrame(frameData); - if (frame) { - frames.push(frame); - } // skip frame header and frame data + sn = 0; + } + this._decryptdata = this.setDecryptDataFromLevelKey(this.levelkey, sn); + } - offset += frameData.size + 10; + return this._decryptdata; + } + }, { + key: "endProgramDateTime", + get: function get() { + if (this.programDateTime === null) { + return null; } - if (ID3.isFooter(id3Data, offset)) { - offset += 10; + if (!Object(number_isFinite["isFiniteNumber"])(this.programDateTime)) { + return null; } + + var duration = !Object(number_isFinite["isFiniteNumber"])(this.duration) ? 0 : this.duration; + return this.programDateTime + duration * 1000; + } + }, { + key: "encrypted", + get: function get() { + return !!(this.decryptdata && this.decryptdata.uri !== null && this.decryptdata.key === null); } + }]); - return frames; - }; + return Fragment; +}(); - ID3._decodeFrame = function _decodeFrame(frame) { - if (frame.type === 'PRIV') { - return ID3._decodePrivFrame(frame); - } else if (frame.type[0] === 'T') { - return ID3._decodeTextFrame(frame); - } else if (frame.type[0] === 'W') { - return ID3._decodeURLFrame(frame); - } - return undefined; - }; +// CONCATENATED MODULE: ./src/loader/level.js - ID3._readTimeStamp = function _readTimeStamp(timeStampFrame) { - if (timeStampFrame.data.byteLength === 8) { - var data = new Uint8Array(timeStampFrame.data); // timestamp is 33 bit expressed as a big-endian eight-octet number, - // with the upper 31 bits set to zero. - var pts33Bit = data[3] & 0x1; - var timestamp = (data[4] << 23) + (data[5] << 15) + (data[6] << 7) + data[7]; - timestamp /= 45; +function level_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } - if (pts33Bit) { - timestamp += 47721858.84; - } // 2^32 / 90 +function level_createClass(Constructor, protoProps, staticProps) { if (protoProps) level_defineProperties(Constructor.prototype, protoProps); if (staticProps) level_defineProperties(Constructor, staticProps); return Constructor; } +var level_Level = +/*#__PURE__*/ +function () { + function Level(baseUrl) { + // Please keep properties in alphabetical order + this.endCC = 0; + this.endSN = 0; + this.fragments = []; + this.initSegment = null; + this.live = true; + this.needSidxRanges = false; + this.startCC = 0; + this.startSN = 0; + this.startTimeOffset = null; + this.targetduration = 0; + this.totalduration = 0; + this.type = null; + this.url = baseUrl; + this.version = null; + } - return Math.round(timestamp); + level_createClass(Level, [{ + key: "hasProgramDateTime", + get: function get() { + return !!(this.fragments[0] && Object(number_isFinite["isFiniteNumber"])(this.fragments[0].programDateTime)); } + }]); - return undefined; - }; + return Level; +}(); - ID3._decodePrivFrame = function _decodePrivFrame(frame) { - /* - Format: \0 - */ - if (frame.size < 2) { - return undefined; - } - var owner = ID3._utf8ArrayToStr(frame.data, true); +// CONCATENATED MODULE: ./src/utils/attr-list.js +var DECIMAL_RESOLUTION_REGEX = /^(\d+)x(\d+)$/; // eslint-disable-line no-useless-escape - var privateData = new Uint8Array(frame.data.subarray(owner.length + 1)); - return { - key: frame.type, - info: owner, - data: privateData.buffer - }; - }; +var ATTR_LIST_REGEX = /\s*(.+?)\s*=((?:\".*?\")|.*?)(?:,|$)/g; // eslint-disable-line no-useless-escape +// adapted from https://github.com/kanongil/node-m3u8parse/blob/master/attrlist.js - ID3._decodeTextFrame = function _decodeTextFrame(frame) { - if (frame.size < 2) { - return undefined; +var AttrList = +/*#__PURE__*/ +function () { + function AttrList(attrs) { + if (typeof attrs === 'string') { + attrs = AttrList.parseAttrList(attrs); } - if (frame.type === 'TXXX') { - /* - Format: - [0] = {Text Encoding} - [1-?] = {Description}\0{Value} - */ - var index = 1; - - var description = ID3._utf8ArrayToStr(frame.data.subarray(index), true); - - index += description.length + 1; + for (var attr in attrs) { + if (attrs.hasOwnProperty(attr)) { + this[attr] = attrs[attr]; + } + } + } - var value = ID3._utf8ArrayToStr(frame.data.subarray(index)); + var _proto = AttrList.prototype; - return { - key: frame.type, - info: description, - data: value - }; - } else { - /* - Format: - [0] = {Text Encoding} - [1-?] = {Value} - */ - var text = ID3._utf8ArrayToStr(frame.data.subarray(1)); + _proto.decimalInteger = function decimalInteger(attrName) { + var intValue = parseInt(this[attrName], 10); - return { - key: frame.type, - data: text - }; + if (intValue > Number.MAX_SAFE_INTEGER) { + return Infinity; } - }; - - ID3._decodeURLFrame = function _decodeURLFrame(frame) { - if (frame.type === 'WXXX') { - /* - Format: - [0] = {Text Encoding} - [1-?] = {Description}\0{URL} - */ - if (frame.size < 2) { - return undefined; - } - var index = 1; - - var description = ID3._utf8ArrayToStr(frame.data.subarray(index)); + return intValue; + }; - index += description.length + 1; + _proto.hexadecimalInteger = function hexadecimalInteger(attrName) { + if (this[attrName]) { + var stringValue = (this[attrName] || '0x').slice(2); + stringValue = (stringValue.length & 1 ? '0' : '') + stringValue; + var value = new Uint8Array(stringValue.length / 2); - var value = ID3._utf8ArrayToStr(frame.data.subarray(index)); + for (var i = 0; i < stringValue.length / 2; i++) { + value[i] = parseInt(stringValue.slice(i * 2, i * 2 + 2), 16); + } - return { - key: frame.type, - info: description, - data: value - }; + return value; } else { - /* - Format: - [0-?] = {URL} - */ - var url = ID3._utf8ArrayToStr(frame.data); - - return { - key: frame.type, - data: url - }; + return null; } - } // http://stackoverflow.com/questions/8936984/uint8array-to-string-in-javascript/22373197 - // http://www.onicos.com/staff/iz/amuse/javascript/expert/utf.txt + }; - /* utf.js - UTF-8 <=> UTF-16 convertion - * - * Copyright (C) 1999 Masanao Izumo - * Version: 1.0 - * LastModified: Dec 25 1999 - * This library is free. You can redistribute it and/or modify it. - */ - ; + _proto.hexadecimalIntegerAsNumber = function hexadecimalIntegerAsNumber(attrName) { + var intValue = parseInt(this[attrName], 16); - ID3._utf8ArrayToStr = function _utf8ArrayToStr(array, exitOnNull) { - if (exitOnNull === void 0) { - exitOnNull = false; + if (intValue > Number.MAX_SAFE_INTEGER) { + return Infinity; } - var decoder = getTextDecoder(); + return intValue; + }; - if (decoder) { - var decoded = decoder.decode(array); + _proto.decimalFloatingPoint = function decimalFloatingPoint(attrName) { + return parseFloat(this[attrName]); + }; - if (exitOnNull) { - // grab up to the first null - var idx = decoded.indexOf('\0'); - return idx !== -1 ? decoded.substring(0, idx) : decoded; - } // remove any null characters + _proto.enumeratedString = function enumeratedString(attrName) { + return this[attrName]; + }; + _proto.decimalResolution = function decimalResolution(attrName) { + var res = DECIMAL_RESOLUTION_REGEX.exec(this[attrName]); - return decoded.replace(/\0/g, ''); + if (res === null) { + return undefined; } - var len = array.length; - var c; - var char2; - var char3; - var out = ''; - var i = 0; - - while (i < len) { - c = array[i++]; - - if (c === 0x00 && exitOnNull) { - return out; - } else if (c === 0x00 || c === 0x03) { - // If the character is 3 (END_OF_TEXT) or 0 (NULL) then skip it - continue; - } - - switch (c >> 4) { - case 0: - case 1: - case 2: - case 3: - case 4: - case 5: - case 6: - case 7: - // 0xxxxxxx - out += String.fromCharCode(c); - break; + return { + width: parseInt(res[1], 10), + height: parseInt(res[2], 10) + }; + }; - case 12: - case 13: - // 110x xxxx 10xx xxxx - char2 = array[i++]; - out += String.fromCharCode((c & 0x1F) << 6 | char2 & 0x3F); - break; + AttrList.parseAttrList = function parseAttrList(input) { + var match, + attrs = {}; + ATTR_LIST_REGEX.lastIndex = 0; - case 14: - // 1110 xxxx 10xx xxxx 10xx xxxx - char2 = array[i++]; - char3 = array[i++]; - out += String.fromCharCode((c & 0x0F) << 12 | (char2 & 0x3F) << 6 | (char3 & 0x3F) << 0); - break; + while ((match = ATTR_LIST_REGEX.exec(input)) !== null) { + var value = match[2], + quote = '"'; - default: + if (value.indexOf(quote) === 0 && value.lastIndexOf(quote) === value.length - 1) { + value = value.slice(1, -1); } + + attrs[match[1]] = value; } - return out; + return attrs; }; - return ID3; + return AttrList; }(); -var decoder; - -function getTextDecoder() { - var global = Object(_utils_get_self_scope__WEBPACK_IMPORTED_MODULE_0__["getSelfScope"])(); // safeguard for code that might run both on worker and main thread - - if (!decoder && typeof global.TextDecoder !== 'undefined') { - decoder = new global.TextDecoder('utf-8'); +/* harmony default export */ var attr_list = (AttrList); +// CONCATENATED MODULE: ./src/utils/codecs.ts +// from http://mp4ra.org/codecs.html +var sampleEntryCodesISO = { + audio: { + 'a3ds': true, + 'ac-3': true, + 'ac-4': true, + 'alac': true, + 'alaw': true, + 'dra1': true, + 'dts+': true, + 'dts-': true, + 'dtsc': true, + 'dtse': true, + 'dtsh': true, + 'ec-3': true, + 'enca': true, + 'g719': true, + 'g726': true, + 'm4ae': true, + 'mha1': true, + 'mha2': true, + 'mhm1': true, + 'mhm2': true, + 'mlpa': true, + 'mp4a': true, + 'raw ': true, + 'Opus': true, + 'samr': true, + 'sawb': true, + 'sawp': true, + 'sevc': true, + 'sqcp': true, + 'ssmv': true, + 'twos': true, + 'ulaw': true + }, + video: { + 'avc1': true, + 'avc2': true, + 'avc3': true, + 'avc4': true, + 'avcp': true, + 'drac': true, + 'dvav': true, + 'dvhe': true, + 'encv': true, + 'hev1': true, + 'hvc1': true, + 'mjp2': true, + 'mp4v': true, + 'mvc1': true, + 'mvc2': true, + 'mvc3': true, + 'mvc4': true, + 'resv': true, + 'rv60': true, + 's263': true, + 'svc1': true, + 'svc2': true, + 'vc-1': true, + 'vp08': true, + 'vp09': true } +}; - return decoder; +function isCodecType(codec, type) { + var typeCodes = sampleEntryCodesISO[type]; + return !!typeCodes && typeCodes[codec.slice(0, 4)] === true; } -var utf8ArrayToStr = ID3._utf8ArrayToStr; -/* harmony default export */ __webpack_exports__["default"] = (ID3); - +function isCodecSupportedInMp4(codec, type) { + return MediaSource.isTypeSupported((type || 'video') + "/mp4;codecs=\"" + codec + "\""); +} -/***/ }), -/***/ "./src/demux/mp4demuxer.js": -/*!*********************************!*\ - !*** ./src/demux/mp4demuxer.js ***! - \*********************************/ -/*! exports provided: default */ -/***/ (function(module, __webpack_exports__, __webpack_require__) { +// CONCATENATED MODULE: ./src/loader/m3u8-parser.ts -"use strict"; -__webpack_require__.r(__webpack_exports__); -/* harmony import */ var _utils_logger__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ../utils/logger */ "./src/utils/logger.js"); -/* harmony import */ var _events__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../events */ "./src/events.js"); -/** - * MP4 demuxer - */ -var UINT32_MAX = Math.pow(2, 32) - 1; -var MP4Demuxer = -/*#__PURE__*/ -function () { - function MP4Demuxer(observer, remuxer) { - this.observer = observer; - this.remuxer = remuxer; - } - var _proto = MP4Demuxer.prototype; - _proto.resetTimeStamp = function resetTimeStamp(initPTS) { - this.initPTS = initPTS; - }; - _proto.resetInitSegment = function resetInitSegment(initSegment, audioCodec, videoCodec, duration) { - // jshint unused:false - if (initSegment && initSegment.byteLength) { - var initData = this.initData = MP4Demuxer.parseInitSegment(initSegment); // default audio codec if nothing specified - // TODO : extract that from initsegment - if (audioCodec == null) { - audioCodec = 'mp4a.40.5'; - } - if (videoCodec == null) { - videoCodec = 'avc1.42e01e'; - } - var tracks = {}; - if (initData.audio && initData.video) { - tracks.audiovideo = { - container: 'video/mp4', - codec: audioCodec + ',' + videoCodec, - initSegment: duration ? initSegment : null - }; - } else { - if (initData.audio) { - tracks.audio = { - container: 'audio/mp4', - codec: audioCodec, - initSegment: duration ? initSegment : null - }; - } +/** + * M3U8 parser + * @module + */ +// https://regex101.com is your friend +var MASTER_PLAYLIST_REGEX = /#EXT-X-STREAM-INF:([^\n\r]*)[\r\n]+([^\r\n]+)/g; +var MASTER_PLAYLIST_MEDIA_REGEX = /#EXT-X-MEDIA:(.*)/g; +var LEVEL_PLAYLIST_REGEX_FAST = new RegExp([/#EXTINF:\s*(\d*(?:\.\d+)?)(?:,(.*)\s+)?/.source, // duration (#EXTINF:,), group 1 => duration, group 2 => title +/|(?!#)([\S+ ?]+)/.source, // segment URI, group 3 => the URI (note newline is not eaten) +/|#EXT-X-BYTERANGE:*(.+)/.source, // next segment's byterange, group 4 => range spec (x@y) +/|#EXT-X-PROGRAM-DATE-TIME:(.+)/.source, // next segment's program date/time group 5 => the datetime spec +/|#.*/.source // All other non-segment oriented tags will match with all groups empty +].join(''), 'g'); +var LEVEL_PLAYLIST_REGEX_SLOW = /(?:(?:#(EXTM3U))|(?:#EXT-X-(PLAYLIST-TYPE):(.+))|(?:#EXT-X-(MEDIA-SEQUENCE): *(\d+))|(?:#EXT-X-(TARGETDURATION): *(\d+))|(?:#EXT-X-(KEY):(.+))|(?:#EXT-X-(START):(.+))|(?:#EXT-X-(ENDLIST))|(?:#EXT-X-(DISCONTINUITY-SEQ)UENCE:(\d+))|(?:#EXT-X-(DIS)CONTINUITY))|(?:#EXT-X-(VERSION):(\d+))|(?:#EXT-X-(MAP):(.+))|(?:(#)([^:]*):(.*))|(?:(#)(.*))(?:.*)\r?\n?/; +var MP4_REGEX_SUFFIX = /\.(mp4|m4s|m4v|m4a)$/i; - if (initData.video) { - tracks.video = { - container: 'video/mp4', - codec: videoCodec, - initSegment: duration ? initSegment : null - }; - } - } +var m3u8_parser_M3U8Parser = +/*#__PURE__*/ +function () { + function M3U8Parser() {} - this.observer.trigger(_events__WEBPACK_IMPORTED_MODULE_1__["default"].FRAG_PARSING_INIT_SEGMENT, { - tracks: tracks - }); - } else { - if (audioCodec) { - this.audioCodec = audioCodec; - } + M3U8Parser.findGroup = function findGroup(groups, mediaGroupId) { + for (var i = 0; i < groups.length; i++) { + var group = groups[i]; - if (videoCodec) { - this.videoCodec = videoCodec; + if (group.id === mediaGroupId) { + return group; } } }; - MP4Demuxer.probe = function probe(data) { - // ensure we find a moof box in the first 16 kB - return MP4Demuxer.findBox({ - data: data, - start: 0, - end: Math.min(data.length, 16384) - }, ['moof']).length > 0; - }; - - MP4Demuxer.bin2str = function bin2str(buffer) { - return String.fromCharCode.apply(null, buffer); - }; + M3U8Parser.convertAVC1ToAVCOTI = function convertAVC1ToAVCOTI(codec) { + var avcdata = codec.split('.'); + var result; - MP4Demuxer.readUint16 = function readUint16(buffer, offset) { - if (buffer.data) { - offset += buffer.start; - buffer = buffer.data; + if (avcdata.length > 2) { + result = avcdata.shift() + '.'; + result += parseInt(avcdata.shift()).toString(16); + result += ('000' + parseInt(avcdata.shift()).toString(16)).substr(-4); + } else { + result = codec; } - var val = buffer[offset] << 8 | buffer[offset + 1]; - return val < 0 ? 65536 + val : val; + return result; }; - MP4Demuxer.readUint32 = function readUint32(buffer, offset) { - if (buffer.data) { - offset += buffer.start; - buffer = buffer.data; - } - - var val = buffer[offset] << 24 | buffer[offset + 1] << 16 | buffer[offset + 2] << 8 | buffer[offset + 3]; - return val < 0 ? 4294967296 + val : val; + M3U8Parser.resolve = function resolve(url, baseUrl) { + return url_toolkit["buildAbsoluteURL"](baseUrl, url, { + alwaysNormalize: true + }); }; - MP4Demuxer.writeUint32 = function writeUint32(buffer, offset, value) { - if (buffer.data) { - offset += buffer.start; - buffer = buffer.data; - } + M3U8Parser.parseMasterPlaylist = function parseMasterPlaylist(string, baseurl) { + // TODO(typescript-level) + var levels = []; + MASTER_PLAYLIST_REGEX.lastIndex = 0; // TODO(typescript-level) - buffer[offset] = value >> 24; - buffer[offset + 1] = value >> 16 & 0xff; - buffer[offset + 2] = value >> 8 & 0xff; - buffer[offset + 3] = value & 0xff; - } // Find the data for a box specified by its path - ; + function setCodecs(codecs, level) { + ['video', 'audio'].forEach(function (type) { + var filtered = codecs.filter(function (codec) { + return isCodecType(codec, type); + }); - MP4Demuxer.findBox = function findBox(data, path) { - var results = [], - i, - size, - type, - end, - subresults, - start, - endbox; + if (filtered.length) { + var preferred = filtered.filter(function (codec) { + return codec.lastIndexOf('avc1', 0) === 0 || codec.lastIndexOf('mp4a', 0) === 0; + }); + level[type + "Codec"] = preferred.length > 0 ? preferred[0] : filtered[0]; // remove from list - if (data.data) { - start = data.start; - end = data.end; - data = data.data; - } else { - start = 0; - end = data.byteLength; - } - - if (!path.length) { - // short-circuit the search for empty paths - return null; + codecs = codecs.filter(function (codec) { + return filtered.indexOf(codec) === -1; + }); + } + }); + level.unknownCodecs = codecs; } - for (i = start; i < end;) { - size = MP4Demuxer.readUint32(data, i); - type = MP4Demuxer.bin2str(data.subarray(i + 4, i + 8)); - endbox = size > 1 ? i + size : end; + var result; - if (type === path[0]) { - if (path.length === 1) { - // this is the end of the path and we've found the box we were - // looking for - results.push({ - data: data, - start: i + 8, - end: endbox - }); - } else { - // recursively search for the next box along the path - subresults = MP4Demuxer.findBox({ - data: data, - start: i + 8, - end: endbox - }, path.slice(1)); + while ((result = MASTER_PLAYLIST_REGEX.exec(string)) != null) { + // TODO(typescript-level) + var level = {}; + var attrs = level.attrs = new attr_list(result[1]); + level.url = M3U8Parser.resolve(result[2], baseurl); + var resolution = attrs.decimalResolution('RESOLUTION'); - if (subresults.length) { - results = results.concat(subresults); - } - } + if (resolution) { + level.width = resolution.width; + level.height = resolution.height; } - i = endbox; - } // we've finished searching all of data - + level.bitrate = attrs.decimalInteger('AVERAGE-BANDWIDTH') || attrs.decimalInteger('BANDWIDTH'); + level.name = attrs.NAME; + setCodecs([].concat((attrs.CODECS || '').split(/[ ,]+/)), level); - return results; - }; + if (level.videoCodec && level.videoCodec.indexOf('avc1') !== -1) { + level.videoCodec = M3U8Parser.convertAVC1ToAVCOTI(level.videoCodec); + } - MP4Demuxer.parseSegmentIndex = function parseSegmentIndex(initSegment) { - var moov = MP4Demuxer.findBox(initSegment, ['moov'])[0]; - var moovEndOffset = moov ? moov.end : null; // we need this in case we need to chop of garbage of the end of current data + levels.push(level); + } - var index = 0; - var sidx = MP4Demuxer.findBox(initSegment, ['sidx']); - var references; + return levels; + }; - if (!sidx || !sidx[0]) { - return null; + M3U8Parser.parseMasterPlaylistMedia = function parseMasterPlaylistMedia(string, baseurl, type, audioGroups) { + if (audioGroups === void 0) { + audioGroups = []; } - references = []; - sidx = sidx[0]; - var version = sidx.data[0]; // set initial offset, we skip the reference ID (not needed) - - index = version === 0 ? 8 : 16; - var timescale = MP4Demuxer.readUint32(sidx, index); - index += 4; // TODO: parse earliestPresentationTime and firstOffset - // usually zero in our case + var result; + var medias = []; + var id = 0; + MASTER_PLAYLIST_MEDIA_REGEX.lastIndex = 0; - var earliestPresentationTime = 0; - var firstOffset = 0; + while ((result = MASTER_PLAYLIST_MEDIA_REGEX.exec(string)) !== null) { + var attrs = new attr_list(result[1]); - if (version === 0) { - index += 8; - } else { - index += 16; - } // skip reserved + if (attrs.TYPE === type) { + var media = { + id: id++, + groupId: attrs['GROUP-ID'], + name: attrs.NAME || attrs.LANGUAGE, + type: type, + default: attrs.DEFAULT === 'YES', + autoselect: attrs.AUTOSELECT === 'YES', + forced: attrs.FORCED === 'YES', + lang: attrs.LANGUAGE + }; + if (attrs.URI) { + media.url = M3U8Parser.resolve(attrs.URI, baseurl); + } - index += 2; - var startByte = sidx.end + firstOffset; - var referencesCount = MP4Demuxer.readUint16(sidx, index); - index += 2; + if (audioGroups.length) { + // If there are audio groups signalled in the manifest, let's look for a matching codec string for this track + var groupCodec = M3U8Parser.findGroup(audioGroups, media.groupId); // If we don't find the track signalled, lets use the first audio groups codec we have + // Acting as a best guess - for (var i = 0; i < referencesCount; i++) { - var referenceIndex = index; - var referenceInfo = MP4Demuxer.readUint32(sidx, referenceIndex); - referenceIndex += 4; - var referenceSize = referenceInfo & 0x7FFFFFFF; - var referenceType = (referenceInfo & 0x80000000) >>> 31; + media.audioCodec = groupCodec ? groupCodec.codec : audioGroups[0].codec; + } - if (referenceType === 1) { - console.warn('SIDX has hierarchical references (not supported)'); - return; + medias.push(media); } + } - var subsegmentDuration = MP4Demuxer.readUint32(sidx, referenceIndex); - referenceIndex += 4; - references.push({ - referenceSize: referenceSize, - subsegmentDuration: subsegmentDuration, - // unscaled - info: { - duration: subsegmentDuration / timescale, - start: startByte, - end: startByte + referenceSize - 1 - } - }); - startByte += referenceSize; // Skipping 1 bit for |startsWithSap|, 3 bits for |sapType|, and 28 bits - // for |sapDelta|. + return medias; + }; - referenceIndex += 4; // skip to next ref + M3U8Parser.parseLevelPlaylist = function parseLevelPlaylist(string, baseurl, id, type, levelUrlId) { + var currentSN = 0; + var totalduration = 0; + var level = new level_Level(baseurl); + var discontinuityCounter = 0; + var prevFrag = null; + var frag = new fragment_Fragment(); + var result; + var i; + var levelkey; + var firstPdtIndex = null; + LEVEL_PLAYLIST_REGEX_FAST.lastIndex = 0; - index = referenceIndex; - } + while ((result = LEVEL_PLAYLIST_REGEX_FAST.exec(string)) !== null) { + var duration = result[1]; - return { - earliestPresentationTime: earliestPresentationTime, - timescale: timescale, - version: version, - referencesCount: referencesCount, - references: references, - moovEndOffset: moovEndOffset - }; - } - /** - * Parses an MP4 initialization segment and extracts stream type and - * timescale values for any declared tracks. Timescale values indicate the - * number of clock ticks per second to assume for time-based values - * elsewhere in the MP4. - * - * To determine the start time of an MP4, you need two pieces of - * information: the timescale unit and the earliest base media decode - * time. Multiple timescales can be specified within an MP4 but the - * base media decode time is always expressed in the timescale from - * the media header box for the track: - * ``` - * moov > trak > mdia > mdhd.timescale - * moov > trak > mdia > hdlr - * ``` - * @param init {Uint8Array} the bytes of the init segment - * @return {object} a hash of track type to timescale values or null if - * the init segment is malformed. - */ - ; + if (duration) { + // INF + frag.duration = parseFloat(duration); // avoid sliced strings https://github.com/video-dev/hls.js/issues/939 - MP4Demuxer.parseInitSegment = function parseInitSegment(initSegment) { - var result = []; - var traks = MP4Demuxer.findBox(initSegment, ['moov', 'trak']); - traks.forEach(function (trak) { - var tkhd = MP4Demuxer.findBox(trak, ['tkhd'])[0]; + var title = (' ' + result[2]).slice(1); + frag.title = title || null; + frag.tagList.push(title ? ['INF', duration, title] : ['INF', duration]); + } else if (result[3]) { + // url + if (Object(number_isFinite["isFiniteNumber"])(frag.duration)) { + var sn = currentSN++; + frag.type = type; + frag.start = totalduration; - if (tkhd) { - var version = tkhd.data[tkhd.start]; - var index = version === 0 ? 12 : 20; - var trackId = MP4Demuxer.readUint32(tkhd, index); - var mdhd = MP4Demuxer.findBox(trak, ['mdia', 'mdhd'])[0]; + if (levelkey) { + frag.levelkey = levelkey; + } - if (mdhd) { - version = mdhd.data[mdhd.start]; - index = version === 0 ? 12 : 20; - var timescale = MP4Demuxer.readUint32(mdhd, index); - var hdlr = MP4Demuxer.findBox(trak, ['mdia', 'hdlr'])[0]; + frag.sn = sn; + frag.level = id; + frag.cc = discontinuityCounter; + frag.urlId = levelUrlId; + frag.baseurl = baseurl; // avoid sliced strings https://github.com/video-dev/hls.js/issues/939 - if (hdlr) { - var hdlrType = MP4Demuxer.bin2str(hdlr.data.subarray(hdlr.start + 8, hdlr.start + 12)); - var type = { - 'soun': 'audio', - 'vide': 'video' - }[hdlrType]; + frag.relurl = (' ' + result[3]).slice(1); + assignProgramDateTime(frag, prevFrag); + level.fragments.push(frag); + prevFrag = frag; + totalduration += frag.duration; + frag = new fragment_Fragment(); + } + } else if (result[4]) { + // X-BYTERANGE + var data = (' ' + result[4]).slice(1); - if (type) { - // extract codec info. TODO : parse codec details to be able to build MIME type - var codecBox = MP4Demuxer.findBox(trak, ['mdia', 'minf', 'stbl', 'stsd']); + if (prevFrag) { + frag.setByteRange(data, prevFrag); + } else { + frag.setByteRange(data); + } + } else if (result[5]) { + // PROGRAM-DATE-TIME + // avoid sliced strings https://github.com/video-dev/hls.js/issues/939 + frag.rawProgramDateTime = (' ' + result[5]).slice(1); + frag.tagList.push(['PROGRAM-DATE-TIME', frag.rawProgramDateTime]); - if (codecBox.length) { - codecBox = codecBox[0]; - var codecType = MP4Demuxer.bin2str(codecBox.data.subarray(codecBox.start + 12, codecBox.start + 16)); - _utils_logger__WEBPACK_IMPORTED_MODULE_0__["logger"].log("MP4Demuxer:" + type + ":" + codecType + " found"); - } - - result[trackId] = { - timescale: timescale, - type: type - }; - result[type] = { - timescale: timescale, - id: trackId - }; - } - } + if (firstPdtIndex === null) { + firstPdtIndex = level.fragments.length; } - } - }); - return result; - } - /** - * Determine the base media decode start time, in seconds, for an MP4 - * fragment. If multiple fragments are specified, the earliest time is - * returned. - * - * The base media decode time can be parsed from track fragment - * metadata: - * ``` - * moof > traf > tfdt.baseMediaDecodeTime - * ``` - * It requires the timescale value from the mdhd to interpret. - * - * @param timescale {object} a hash of track ids to timescale values. - * @return {number} the earliest base media decode start time for the - * fragment, in seconds - */ - ; + } else { + result = result[0].match(LEVEL_PLAYLIST_REGEX_SLOW); - MP4Demuxer.getStartDTS = function getStartDTS(initData, fragment) { - var trafs, baseTimes, result; // we need info from two childrend of each track fragment box + if (!result) { + logger["logger"].warn('No matches on slow regex match for level playlist!'); + continue; + } - trafs = MP4Demuxer.findBox(fragment, ['moof', 'traf']); // determine the start times for each track + for (i = 1; i < result.length; i++) { + if (typeof result[i] !== 'undefined') { + break; + } + } // avoid sliced strings https://github.com/video-dev/hls.js/issues/939 - baseTimes = [].concat.apply([], trafs.map(function (traf) { - return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) { - var id, scale, baseTime; // get the track id from the tfhd - id = MP4Demuxer.readUint32(tfhd, 4); // assume a 90kHz clock if no timescale was specified + var value1 = (' ' + result[i + 1]).slice(1); + var value2 = (' ' + result[i + 2]).slice(1); - scale = initData[id].timescale || 90e3; // get the base media decode time from the tfdt + switch (result[i]) { + case '#': + frag.tagList.push(value2 ? [value1, value2] : [value1]); + break; - baseTime = MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) { - var version, result; - version = tfdt.data[tfdt.start]; - result = MP4Demuxer.readUint32(tfdt, 4); + case 'PLAYLIST-TYPE': + level.type = value1.toUpperCase(); + break; - if (version === 1) { - result *= Math.pow(2, 32); - result += MP4Demuxer.readUint32(tfdt, 8); - } + case 'MEDIA-SEQUENCE': + currentSN = level.startSN = parseInt(value1); + break; - return result; - })[0]; // convert base time to seconds + case 'TARGETDURATION': + level.targetduration = parseFloat(value1); + break; - return baseTime / scale; - }); - })); // return the minimum + case 'VERSION': + level.version = parseInt(value1); + break; - result = Math.min.apply(null, baseTimes); - return isFinite(result) ? result : 0; - }; + case 'EXTM3U': + break; - MP4Demuxer.offsetStartDTS = function offsetStartDTS(initData, fragment, timeOffset) { - MP4Demuxer.findBox(fragment, ['moof', 'traf']).map(function (traf) { - return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) { - // get the track id from the tfhd - var id = MP4Demuxer.readUint32(tfhd, 4); // assume a 90kHz clock if no timescale was specified + case 'ENDLIST': + level.live = false; + break; - var timescale = initData[id].timescale || 90e3; // get the base media decode time from the tfdt + case 'DIS': + discontinuityCounter++; + frag.tagList.push(['DIS']); + break; - MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) { - var version = tfdt.data[tfdt.start]; - var baseMediaDecodeTime = MP4Demuxer.readUint32(tfdt, 4); + case 'DISCONTINUITY-SEQ': + discontinuityCounter = parseInt(value1); + break; - if (version === 0) { - MP4Demuxer.writeUint32(tfdt, 4, baseMediaDecodeTime - timeOffset * timescale); - } else { - baseMediaDecodeTime *= Math.pow(2, 32); - baseMediaDecodeTime += MP4Demuxer.readUint32(tfdt, 8); - baseMediaDecodeTime -= timeOffset * timescale; - baseMediaDecodeTime = Math.max(baseMediaDecodeTime, 0); - var upper = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1)); - var lower = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1)); - MP4Demuxer.writeUint32(tfdt, 4, upper); - MP4Demuxer.writeUint32(tfdt, 8, lower); - } - }); - }); - }); - } // feed incoming data to the front of the parsing pipeline - ; + case 'KEY': + { + // https://tools.ietf.org/html/draft-pantos-http-live-streaming-08#section-3.4.4 + var decryptparams = value1; + var keyAttrs = new attr_list(decryptparams); + var decryptmethod = keyAttrs.enumeratedString('METHOD'); + var decrypturi = keyAttrs.URI; + var decryptiv = keyAttrs.hexadecimalInteger('IV'); - _proto.append = function append(data, timeOffset, contiguous, accurateTimeOffset) { - var initData = this.initData; + if (decryptmethod) { + levelkey = new level_key_LevelKey(baseurl, decrypturi); - if (!initData) { - this.resetInitSegment(data, this.audioCodec, this.videoCodec, false); - initData = this.initData; - } + if (decrypturi && ['AES-128', 'SAMPLE-AES', 'SAMPLE-AES-CENC'].indexOf(decryptmethod) >= 0) { + levelkey.method = decryptmethod; + levelkey.key = null; // Initialization Vector (IV) - var startDTS, - initPTS = this.initPTS; + levelkey.iv = decryptiv; + } + } - if (initPTS === undefined) { - var _startDTS = MP4Demuxer.getStartDTS(initData, data); + break; + } - this.initPTS = initPTS = _startDTS - timeOffset; - this.observer.trigger(_events__WEBPACK_IMPORTED_MODULE_1__["default"].INIT_PTS_FOUND, { - initPTS: initPTS - }); - } + case 'START': + { + var startAttrs = new attr_list(value1); + var startTimeOffset = startAttrs.decimalFloatingPoint('TIME-OFFSET'); // TIME-OFFSET can be 0 - MP4Demuxer.offsetStartDTS(initData, data, initPTS); - startDTS = MP4Demuxer.getStartDTS(initData, data); - this.remuxer.remux(initData.audio, initData.video, null, null, startDTS, contiguous, accurateTimeOffset, data); - }; + if (Object(number_isFinite["isFiniteNumber"])(startTimeOffset)) { + level.startTimeOffset = startTimeOffset; + } - _proto.destroy = function destroy() {}; + break; + } - return MP4Demuxer; -}(); + case 'MAP': + { + var mapAttrs = new attr_list(value1); + frag.relurl = mapAttrs.URI; -/* harmony default export */ __webpack_exports__["default"] = (MP4Demuxer); + if (mapAttrs.BYTERANGE) { + frag.setByteRange(mapAttrs.BYTERANGE); + } -/***/ }), + frag.baseurl = baseurl; + frag.level = id; + frag.type = type; + frag.sn = 'initSegment'; + level.initSegment = frag; + frag = new fragment_Fragment(); + frag.rawProgramDateTime = level.initSegment.rawProgramDateTime; + break; + } -/***/ "./src/errors.ts": -/*!***********************!*\ - !*** ./src/errors.ts ***! - \***********************/ -/*! exports provided: ErrorTypes, ErrorDetails */ -/***/ (function(module, __webpack_exports__, __webpack_require__) { + default: + logger["logger"].warn("line parsed but not handled: " + result); + break; + } + } + } -"use strict"; -__webpack_require__.r(__webpack_exports__); -/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "ErrorTypes", function() { return ErrorTypes; }); -/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "ErrorDetails", function() { return ErrorDetails; }); -var ErrorTypes; -/** - * @enum {ErrorDetails} - * @typedef {string} ErrorDetail - */ + frag = prevFrag; // logger.log('found ' + level.fragments.length + ' fragments'); -(function (ErrorTypes) { - ErrorTypes["NETWORK_ERROR"] = "networkError"; - ErrorTypes["MEDIA_ERROR"] = "mediaError"; - ErrorTypes["KEY_SYSTEM_ERROR"] = "keySystemError"; - ErrorTypes["MUX_ERROR"] = "muxError"; - ErrorTypes["OTHER_ERROR"] = "otherError"; -})(ErrorTypes || (ErrorTypes = {})); + if (frag && !frag.relurl) { + level.fragments.pop(); + totalduration -= frag.duration; + } -var ErrorDetails; + level.totalduration = totalduration; + level.averagetargetduration = totalduration / level.fragments.length; + level.endSN = currentSN - 1; + level.startCC = level.fragments[0] ? level.fragments[0].cc : 0; + level.endCC = discontinuityCounter; -(function (ErrorDetails) { - ErrorDetails["KEY_SYSTEM_NO_KEYS"] = "keySystemNoKeys"; - ErrorDetails["KEY_SYSTEM_NO_ACCESS"] = "keySystemNoAccess"; - ErrorDetails["KEY_SYSTEM_NO_SESSION"] = "keySystemNoSession"; - ErrorDetails["KEY_SYSTEM_LICENSE_REQUEST_FAILED"] = "keySystemLicenseRequestFailed"; - ErrorDetails["KEY_SYSTEM_NO_INIT_DATA"] = "keySystemNoInitData"; - ErrorDetails["MANIFEST_LOAD_ERROR"] = "manifestLoadError"; - ErrorDetails["MANIFEST_LOAD_TIMEOUT"] = "manifestLoadTimeOut"; - ErrorDetails["MANIFEST_PARSING_ERROR"] = "manifestParsingError"; - ErrorDetails["MANIFEST_INCOMPATIBLE_CODECS_ERROR"] = "manifestIncompatibleCodecsError"; - ErrorDetails["LEVEL_LOAD_ERROR"] = "levelLoadError"; - ErrorDetails["LEVEL_LOAD_TIMEOUT"] = "levelLoadTimeOut"; - ErrorDetails["LEVEL_SWITCH_ERROR"] = "levelSwitchError"; - ErrorDetails["AUDIO_TRACK_LOAD_ERROR"] = "audioTrackLoadError"; - ErrorDetails["AUDIO_TRACK_LOAD_TIMEOUT"] = "audioTrackLoadTimeOut"; - ErrorDetails["FRAG_LOAD_ERROR"] = "fragLoadError"; - ErrorDetails["FRAG_LOAD_TIMEOUT"] = "fragLoadTimeOut"; - ErrorDetails["FRAG_DECRYPT_ERROR"] = "fragDecryptError"; - ErrorDetails["FRAG_PARSING_ERROR"] = "fragParsingError"; - ErrorDetails["REMUX_ALLOC_ERROR"] = "remuxAllocError"; - ErrorDetails["KEY_LOAD_ERROR"] = "keyLoadError"; - ErrorDetails["KEY_LOAD_TIMEOUT"] = "keyLoadTimeOut"; - ErrorDetails["BUFFER_ADD_CODEC_ERROR"] = "bufferAddCodecError"; - ErrorDetails["BUFFER_APPEND_ERROR"] = "bufferAppendError"; - ErrorDetails["BUFFER_APPENDING_ERROR"] = "bufferAppendingError"; - ErrorDetails["BUFFER_STALLED_ERROR"] = "bufferStalledError"; - ErrorDetails["BUFFER_FULL_ERROR"] = "bufferFullError"; - ErrorDetails["BUFFER_SEEK_OVER_HOLE"] = "bufferSeekOverHole"; - ErrorDetails["BUFFER_NUDGE_ON_STALL"] = "bufferNudgeOnStall"; - ErrorDetails["INTERNAL_EXCEPTION"] = "internalException"; -})(ErrorDetails || (ErrorDetails = {})); + if (!level.initSegment && level.fragments.length) { + // this is a bit lurky but HLS really has no other way to tell us + // if the fragments are TS or MP4, except if we download them :/ + // but this is to be able to handle SIDX. + if (level.fragments.every(function (frag) { + return MP4_REGEX_SUFFIX.test(frag.relurl); + })) { + logger["logger"].warn('MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX'); + frag = new fragment_Fragment(); + frag.relurl = level.fragments[0].relurl; + frag.baseurl = baseurl; + frag.level = id; + frag.type = type; + frag.sn = 'initSegment'; + level.initSegment = frag; + level.needSidxRanges = true; + } + } + /** + * Backfill any missing PDT values + "If the first EXT-X-PROGRAM-DATE-TIME tag in a Playlist appears after + one or more Media Segment URIs, the client SHOULD extrapolate + backward from that tag (using EXTINF durations and/or media + timestamps) to associate dates with those segments." + * We have already extrapolated forward, but all fragments up to the first instance of PDT do not have their PDTs + * computed. + */ -/***/ }), -/***/ "./src/events.js": -/*!***********************!*\ - !*** ./src/events.js ***! - \***********************/ -/*! exports provided: default */ -/***/ (function(module, __webpack_exports__, __webpack_require__) { + if (firstPdtIndex) { + backfillProgramDateTimes(level.fragments, firstPdtIndex); + } -"use strict"; -__webpack_require__.r(__webpack_exports__); -var _HlsEvents; + return level; + }; -/** - * @readonly - * @enum {string} - */ -var HlsEvents = (_HlsEvents = { - // fired before MediaSource is attaching to media element - data: { media } - MEDIA_ATTACHING: 'hlsMediaAttaching', - // fired when MediaSource has been succesfully attached to media element - data: { } - MEDIA_ATTACHED: 'hlsMediaAttached', - // fired before detaching MediaSource from media element - data: { } - MEDIA_DETACHING: 'hlsMediaDetaching', - // fired when MediaSource has been detached from media element - data: { } - MEDIA_DETACHED: 'hlsMediaDetached', - // fired when we buffer is going to be reset - data: { } - BUFFER_RESET: 'hlsBufferReset', - // fired when we know about the codecs that we need buffers for to push into - data: {tracks : { container, codec, levelCodec, initSegment, metadata }} - BUFFER_CODECS: 'hlsBufferCodecs', - // fired when sourcebuffers have been created - data: { tracks : tracks } - BUFFER_CREATED: 'hlsBufferCreated', - // fired when we append a segment to the buffer - data: { segment: segment object } - BUFFER_APPENDING: 'hlsBufferAppending', - // fired when we are done with appending a media segment to the buffer - data : { parent : segment parent that triggered BUFFER_APPENDING, pending : nb of segments waiting for appending for this segment parent} - BUFFER_APPENDED: 'hlsBufferAppended', - // fired when the stream is finished and we want to notify the media buffer that there will be no more data - data: { } - BUFFER_EOS: 'hlsBufferEos', - // fired when the media buffer should be flushed - data { startOffset, endOffset } - BUFFER_FLUSHING: 'hlsBufferFlushing', - // fired when the media buffer has been flushed - data: { } - BUFFER_FLUSHED: 'hlsBufferFlushed', - // fired to signal that a manifest loading starts - data: { url : manifestURL} - MANIFEST_LOADING: 'hlsManifestLoading', - // fired after manifest has been loaded - data: { levels : [available quality levels], audioTracks : [ available audio tracks], url : manifestURL, stats : { trequest, tfirst, tload, mtime}} - MANIFEST_LOADED: 'hlsManifestLoaded', - // fired after manifest has been parsed - data: { levels : [available quality levels], firstLevel : index of first quality level appearing in Manifest} - MANIFEST_PARSED: 'hlsManifestParsed', - // fired when a level switch is requested - data: { level : id of new level } - LEVEL_SWITCHING: 'hlsLevelSwitching', - // fired when a level switch is effective - data: { level : id of new level } - LEVEL_SWITCHED: 'hlsLevelSwitched', - // fired when a level playlist loading starts - data: { url : level URL, level : id of level being loaded} - LEVEL_LOADING: 'hlsLevelLoading', - // fired when a level playlist loading finishes - data: { details : levelDetails object, level : id of loaded level, stats : { trequest, tfirst, tload, mtime} } - LEVEL_LOADED: 'hlsLevelLoaded', - // fired when a level's details have been updated based on previous details, after it has been loaded - data: { details : levelDetails object, level : id of updated level } - LEVEL_UPDATED: 'hlsLevelUpdated', - // fired when a level's PTS information has been updated after parsing a fragment - data: { details : levelDetails object, level : id of updated level, drift: PTS drift observed when parsing last fragment } - LEVEL_PTS_UPDATED: 'hlsLevelPtsUpdated', - // fired when the live back buffer is reached defined by the liveBackBufferLength config option - data : { bufferEnd: number } - LIVE_BACK_BUFFER_REACHED: 'hlsLiveBackBufferReached', - // fired to notify that audio track lists has been updated - data: { audioTracks : audioTracks } - AUDIO_TRACKS_UPDATED: 'hlsAudioTracksUpdated', - // fired when an audio track switching is requested - data: { id : audio track id } - AUDIO_TRACK_SWITCHING: 'hlsAudioTrackSwitching', - // fired when an audio track switch actually occurs - data: { id : audio track id } - AUDIO_TRACK_SWITCHED: 'hlsAudioTrackSwitched', - // fired when an audio track loading starts - data: { url : audio track URL, id : audio track id } - AUDIO_TRACK_LOADING: 'hlsAudioTrackLoading', - // fired when an audio track loading finishes - data: { details : levelDetails object, id : audio track id, stats : { trequest, tfirst, tload, mtime } } - AUDIO_TRACK_LOADED: 'hlsAudioTrackLoaded', - // fired to notify that subtitle track lists has been updated - data: { subtitleTracks : subtitleTracks } - SUBTITLE_TRACKS_UPDATED: 'hlsSubtitleTracksUpdated', - // fired when an subtitle track switch occurs - data: { id : subtitle track id } - SUBTITLE_TRACK_SWITCH: 'hlsSubtitleTrackSwitch', - // fired when a subtitle track loading starts - data: { url : subtitle track URL, id : subtitle track id } - SUBTITLE_TRACK_LOADING: 'hlsSubtitleTrackLoading', - // fired when a subtitle track loading finishes - data: { details : levelDetails object, id : subtitle track id, stats : { trequest, tfirst, tload, mtime } } - SUBTITLE_TRACK_LOADED: 'hlsSubtitleTrackLoaded', - // fired when a subtitle fragment has been processed - data: { success : boolean, frag : the processed frag } - SUBTITLE_FRAG_PROCESSED: 'hlsSubtitleFragProcessed', - // fired when the first timestamp is found - data: { id : demuxer id, initPTS: initPTS, frag : fragment object } - INIT_PTS_FOUND: 'hlsInitPtsFound', - // fired when a fragment loading starts - data: { frag : fragment object } - FRAG_LOADING: 'hlsFragLoading', - // fired when a fragment loading is progressing - data: { frag : fragment object, { trequest, tfirst, loaded } } - FRAG_LOAD_PROGRESS: 'hlsFragLoadProgress', - // Identifier for fragment load aborting for emergency switch down - data: { frag : fragment object } - FRAG_LOAD_EMERGENCY_ABORTED: 'hlsFragLoadEmergencyAborted', - // fired when a fragment loading is completed - data: { frag : fragment object, payload : fragment payload, stats : { trequest, tfirst, tload, length } } - FRAG_LOADED: 'hlsFragLoaded', - // fired when a fragment has finished decrypting - data: { id : demuxer id, frag: fragment object, payload : fragment payload, stats : { tstart, tdecrypt } } - FRAG_DECRYPTED: 'hlsFragDecrypted', - // fired when Init Segment has been extracted from fragment - data: { id : demuxer id, frag: fragment object, moov : moov MP4 box, codecs : codecs found while parsing fragment } - FRAG_PARSING_INIT_SEGMENT: 'hlsFragParsingInitSegment', - // fired when parsing sei text is completed - data: { id : demuxer id, frag: fragment object, samples : [ sei samples pes ] } - FRAG_PARSING_USERDATA: 'hlsFragParsingUserdata', - // fired when parsing id3 is completed - data: { id : demuxer id, frag: fragment object, samples : [ id3 samples pes ] } - FRAG_PARSING_METADATA: 'hlsFragParsingMetadata', - // fired when data have been extracted from fragment - data: { id : demuxer id, frag: fragment object, data1 : moof MP4 box or TS fragments, data2 : mdat MP4 box or null} - FRAG_PARSING_DATA: 'hlsFragParsingData', - // fired when fragment parsing is completed - data: { id : demuxer id, frag: fragment object } - FRAG_PARSED: 'hlsFragParsed', - // fired when fragment remuxed MP4 boxes have all been appended into SourceBuffer - data: { id : demuxer id, frag : fragment object, stats : { trequest, tfirst, tload, tparsed, tbuffered, length, bwEstimate } } - FRAG_BUFFERED: 'hlsFragBuffered', - // fired when fragment matching with current media position is changing - data : { id : demuxer id, frag : fragment object } - FRAG_CHANGED: 'hlsFragChanged', - // Identifier for a FPS drop event - data: { curentDropped, currentDecoded, totalDroppedFrames } - FPS_DROP: 'hlsFpsDrop', - // triggered when FPS drop triggers auto level capping - data: { level, droppedlevel } - FPS_DROP_LEVEL_CAPPING: 'hlsFpsDropLevelCapping', - // Identifier for an error event - data: { type : error type, details : error details, fatal : if true, hls.js cannot/will not try to recover, if false, hls.js will try to recover,other error specific data } - ERROR: 'hlsError', - // fired when hls.js instance starts destroying. Different from MEDIA_DETACHED as one could want to detach and reattach a media to the instance of hls.js to handle mid-rolls for example - data: { } - DESTROYING: 'hlsDestroying', - // fired when a decrypt key loading starts - data: { frag : fragment object } - KEY_LOADING: 'hlsKeyLoading', - // fired when a decrypt key loading is completed - data: { frag : fragment object, payload : key payload, stats : { trequest, tfirst, tload, length } } - KEY_LOADED: 'hlsKeyLoaded', - // fired upon stream controller state transitions - data: { previousState, nextState } - STREAM_STATE_TRANSITION: 'hlsStreamStateTransition' -}, _HlsEvents["LIVE_BACK_BUFFER_REACHED"] = 'hlsLiveBackBufferReached', _HlsEvents.CAN_PLAY_AFTER_SEEK = 'hlsCanPlayAfterSeek', _HlsEvents); -/* harmony default export */ __webpack_exports__["default"] = (HlsEvents); + return M3U8Parser; +}(); -/***/ }), -/***/ "./src/hls.ts": -/*!*********************************!*\ - !*** ./src/hls.ts + 50 modules ***! - \*********************************/ -/*! exports provided: default */ -/*! ModuleConcatenation bailout: Cannot concat with ./src/crypt/decrypter.js because of ./src/demux/demuxer-worker.js */ -/*! ModuleConcatenation bailout: Cannot concat with ./src/demux/demuxer-inline.js because of ./src/demux/demuxer-worker.js */ -/*! ModuleConcatenation bailout: Cannot concat with ./src/demux/id3.js because of ./src/demux/demuxer-worker.js */ -/*! ModuleConcatenation bailout: Cannot concat with ./src/demux/mp4demuxer.js because of ./src/demux/demuxer-worker.js */ -/*! ModuleConcatenation bailout: Cannot concat with ./src/errors.ts because of ./src/demux/demuxer-worker.js */ -/*! ModuleConcatenation bailout: Cannot concat with ./src/events.js because of ./src/demux/demuxer-worker.js */ -/*! ModuleConcatenation bailout: Cannot concat with ./src/polyfills/number-isFinite.js because of ./src/demux/demuxer-worker.js */ -/*! ModuleConcatenation bailout: Cannot concat with ./src/utils/get-self-scope.js because of ./src/demux/demuxer-worker.js */ -/*! ModuleConcatenation bailout: Cannot concat with ./src/utils/logger.js because of ./src/demux/demuxer-worker.js */ -/*! ModuleConcatenation bailout: Cannot concat with ./node_modules/eventemitter3/index.js (<- Module is not an ECMAScript module) */ -/*! ModuleConcatenation bailout: Cannot concat with ./node_modules/url-toolkit/src/url-toolkit.js (<- Module is not an ECMAScript module) */ -/***/ (function(module, __webpack_exports__, __webpack_require__) { -"use strict"; -__webpack_require__.r(__webpack_exports__); -var cues_namespaceObject = {}; -__webpack_require__.r(cues_namespaceObject); -__webpack_require__.d(cues_namespaceObject, "newCue", function() { return newCue; }); +function backfillProgramDateTimes(fragments, startIndex) { + var fragPrev = fragments[startIndex]; -// EXTERNAL MODULE: ./node_modules/url-toolkit/src/url-toolkit.js -var url_toolkit = __webpack_require__("./node_modules/url-toolkit/src/url-toolkit.js"); + for (var i = startIndex - 1; i >= 0; i--) { + var frag = fragments[i]; + frag.programDateTime = fragPrev.programDateTime - frag.duration * 1000; + fragPrev = frag; + } +} -// EXTERNAL MODULE: ./src/errors.ts -var errors = __webpack_require__("./src/errors.ts"); +function assignProgramDateTime(frag, prevFrag) { + if (frag.rawProgramDateTime) { + frag.programDateTime = Date.parse(frag.rawProgramDateTime); + } else if (prevFrag && prevFrag.programDateTime) { + frag.programDateTime = prevFrag.endProgramDateTime; + } -// EXTERNAL MODULE: ./src/polyfills/number-isFinite.js -var number_isFinite = __webpack_require__("./src/polyfills/number-isFinite.js"); + if (!Object(number_isFinite["isFiniteNumber"])(frag.programDateTime)) { + frag.programDateTime = null; + frag.rawProgramDateTime = null; + } +} +// CONCATENATED MODULE: ./src/loader/playlist-loader.ts -// EXTERNAL MODULE: ./src/events.js -var events = __webpack_require__("./src/events.js"); -// EXTERNAL MODULE: ./src/utils/logger.js -var logger = __webpack_require__("./src/utils/logger.js"); -// CONCATENATED MODULE: ./src/event-handler.ts -/* -* -* All objects in the event handling chain should inherit from this class -* -*/ +function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } +/** + * PlaylistLoader - delegate for media manifest/playlist loading tasks. Takes care of parsing media to internal data-models. + * + * Once loaded, dispatches events with parsed data-models of manifest/levels/audio/subtitle tracks. + * + * Uses loader(s) set in config to do actual internal loading of resource tasks. + * + * @module + * + */ -var FORBIDDEN_EVENT_NAMES = { - 'hlsEventGeneric': true, - 'hlsHandlerDestroying': true, - 'hlsHandlerDestroyed': true -}; -var event_handler_EventHandler = -/*#__PURE__*/ -function () { - function EventHandler(hls) { - this.hls = void 0; - this.handledEvents = void 0; - this.useGenericHandler = void 0; - this.hls = hls; - this.onEvent = this.onEvent.bind(this); - for (var _len = arguments.length, events = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { - events[_key - 1] = arguments[_key]; - } - this.handledEvents = events; - this.useGenericHandler = true; - this.registerListeners(); - } - var _proto = EventHandler.prototype; - - _proto.destroy = function destroy() { - this.onHandlerDestroying(); - this.unregisterListeners(); - this.onHandlerDestroyed(); - }; - _proto.onHandlerDestroying = function onHandlerDestroying() {}; +var _window = window, + performance = _window.performance; +/** + * @constructor + */ - _proto.onHandlerDestroyed = function onHandlerDestroyed() {}; +var playlist_loader_PlaylistLoader = +/*#__PURE__*/ +function (_EventHandler) { + _inheritsLoose(PlaylistLoader, _EventHandler); - _proto.isEventHandler = function isEventHandler() { - return typeof this.handledEvents === 'object' && this.handledEvents.length && typeof this.onEvent === 'function'; - }; + /** + * @constructs + * @param {Hls} hls + */ + function PlaylistLoader(hls) { + var _this; - _proto.registerListeners = function registerListeners() { - if (this.isEventHandler()) { - this.handledEvents.forEach(function (event) { - if (FORBIDDEN_EVENT_NAMES[event]) { - throw new Error('Forbidden event-name: ' + event); - } + _this = _EventHandler.call(this, hls, events["default"].MANIFEST_LOADING, events["default"].LEVEL_LOADING, events["default"].AUDIO_TRACK_LOADING, events["default"].SUBTITLE_TRACK_LOADING) || this; + _this.loaders = {}; + return _this; + } + /** + * @param {PlaylistContextType} type + * @returns {boolean} + */ - this.hls.on(event, this.onEvent); - }, this); - } - }; - _proto.unregisterListeners = function unregisterListeners() { - if (this.isEventHandler()) { - this.handledEvents.forEach(function (event) { - this.hls.off(event, this.onEvent); - }, this); - } + PlaylistLoader.canHaveQualityLevels = function canHaveQualityLevels(type) { + return type !== PlaylistContextType.AUDIO_TRACK && type !== PlaylistContextType.SUBTITLE_TRACK; } /** - * arguments: event (string), data (any) + * Map context.type to LevelType + * @param {PlaylistLoaderContext} context + * @returns {LevelType} */ ; - _proto.onEvent = function onEvent(event, data) { - this.onEventGeneric(event, data); - }; - - _proto.onEventGeneric = function onEventGeneric(event, data) { - var eventToFunction = function eventToFunction(event, data) { - var funcName = 'on' + event.replace('hls', ''); + PlaylistLoader.mapContextToLevelType = function mapContextToLevelType(context) { + var type = context.type; - if (typeof this[funcName] !== 'function') { - throw new Error("Event " + event + " has no generic handler in this " + this.constructor.name + " class (tried " + funcName + ")"); - } + switch (type) { + case PlaylistContextType.AUDIO_TRACK: + return PlaylistLevelType.AUDIO; - return this[funcName].bind(this, data); - }; + case PlaylistContextType.SUBTITLE_TRACK: + return PlaylistLevelType.SUBTITLE; - try { - eventToFunction.call(this, event, data).call(); - } catch (err) { - logger["logger"].error("An internal error happened while handling event " + event + ". Error message: \"" + err.message + "\". Here is a stacktrace:", err); - this.hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].OTHER_ERROR, - details: errors["ErrorDetails"].INTERNAL_EXCEPTION, - fatal: false, - event: event, - err: err - }); + default: + return PlaylistLevelType.MAIN; } }; - return EventHandler; -}(); - -/* harmony default export */ var event_handler = (event_handler_EventHandler); -// CONCATENATED MODULE: ./src/types/loader.ts -/** - * `type` property values for this loaders' context object - * @enum - * - */ -var PlaylistContextType; -/** - * @enum {string} - */ + PlaylistLoader.getResponseUrl = function getResponseUrl(response, context) { + var url = response.url; // responseURL not supported on some browsers (it is used to detect URL redirection) + // data-uri mode also not supported (but no need to detect redirection) -(function (PlaylistContextType) { - PlaylistContextType["MANIFEST"] = "manifest"; - PlaylistContextType["LEVEL"] = "level"; - PlaylistContextType["AUDIO_TRACK"] = "audioTrack"; - PlaylistContextType["SUBTITLE_TRACK"] = "subtitleTrack"; -})(PlaylistContextType || (PlaylistContextType = {})); + if (url === undefined || url.indexOf('data:') === 0) { + // fallback to initial URL + url = context.url; + } -var PlaylistLevelType; + return url; + } + /** + * Returns defaults or configured loader-type overloads (pLoader and loader config params) + * Default loader is XHRLoader (see utils) + * @param {PlaylistLoaderContext} context + * @returns {Loader} or other compatible configured overload + */ + ; -(function (PlaylistLevelType) { - PlaylistLevelType["MAIN"] = "main"; - PlaylistLevelType["AUDIO"] = "audio"; - PlaylistLevelType["SUBTITLE"] = "subtitle"; -})(PlaylistLevelType || (PlaylistLevelType = {})); -// EXTERNAL MODULE: ./src/demux/mp4demuxer.js -var mp4demuxer = __webpack_require__("./src/demux/mp4demuxer.js"); + var _proto = PlaylistLoader.prototype; -// CONCATENATED MODULE: ./src/loader/level-key.ts -function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } + _proto.createInternalLoader = function createInternalLoader(context) { + var config = this.hls.config; + var PLoader = config.pLoader; + var Loader = config.loader; // TODO(typescript-config): Verify once config is typed that InternalLoader always returns a Loader -function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } + var InternalLoader = PLoader || Loader; + var loader = new InternalLoader(config); // TODO - Do we really need to assign the instance or if the dep has been lost + context.loader = loader; + this.loaders[context.type] = loader; + return loader; + }; + _proto.getInternalLoader = function getInternalLoader(context) { + return this.loaders[context.type]; + }; -var level_key_LevelKey = -/*#__PURE__*/ -function () { - function LevelKey(baseURI, relativeURI) { - this._uri = null; - this.baseuri = void 0; - this.reluri = void 0; - this.method = null; - this.key = null; - this.iv = null; - this.baseuri = baseURI; - this.reluri = relativeURI; + _proto.resetInternalLoader = function resetInternalLoader(contextType) { + if (this.loaders[contextType]) { + delete this.loaders[contextType]; + } } + /** + * Call `destroy` on all internal loader instances mapped (one per context type) + */ + ; - _createClass(LevelKey, [{ - key: "uri", - get: function get() { - if (!this._uri && this.reluri) { - this._uri = Object(url_toolkit["buildAbsoluteURL"])(this.baseuri, this.reluri, { - alwaysNormalize: true - }); + _proto.destroyInternalLoaders = function destroyInternalLoaders() { + for (var contextType in this.loaders) { + var loader = this.loaders[contextType]; + + if (loader) { + loader.destroy(); } - return this._uri; + this.resetInternalLoader(contextType); } - }]); + }; - return LevelKey; -}(); + _proto.destroy = function destroy() { + this.destroyInternalLoaders(); + _EventHandler.prototype.destroy.call(this); + }; -// CONCATENATED MODULE: ./src/loader/fragment.ts + _proto.onManifestLoading = function onManifestLoading(data) { + this.load({ + url: data.url, + type: PlaylistContextType.MANIFEST, + level: 0, + id: null, + responseType: 'text' + }); + }; + _proto.onLevelLoading = function onLevelLoading(data) { + this.load({ + url: data.url, + type: PlaylistContextType.LEVEL, + level: data.level, + id: data.id, + responseType: 'text' + }); + }; + _proto.onAudioTrackLoading = function onAudioTrackLoading(data) { + this.load({ + url: data.url, + type: PlaylistContextType.AUDIO_TRACK, + level: null, + id: data.id, + responseType: 'text' + }); + }; -function fragment_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } + _proto.onSubtitleTrackLoading = function onSubtitleTrackLoading(data) { + this.load({ + url: data.url, + type: PlaylistContextType.SUBTITLE_TRACK, + level: null, + id: data.id, + responseType: 'text' + }); + }; -function fragment_createClass(Constructor, protoProps, staticProps) { if (protoProps) fragment_defineProperties(Constructor.prototype, protoProps); if (staticProps) fragment_defineProperties(Constructor, staticProps); return Constructor; } + _proto.load = function load(context) { + var config = this.hls.config; + logger["logger"].debug("Loading playlist of type " + context.type + ", level: " + context.level + ", id: " + context.id); // Check if a loader for this context already exists + var loader = this.getInternalLoader(context); + if (loader) { + var loaderContext = loader.context; + if (loaderContext && loaderContext.url === context.url) { + // same URL can't overlap + logger["logger"].trace('playlist request ongoing'); + return false; + } else { + logger["logger"].warn("aborting previous loader for type: " + context.type); + loader.abort(); + } + } -var ElementaryStreamTypes; + var maxRetry; + var timeout; + var retryDelay; + var maxRetryDelay; // apply different configs for retries depending on + // context (manifest, level, audio/subs playlist) -(function (ElementaryStreamTypes) { - ElementaryStreamTypes["AUDIO"] = "audio"; - ElementaryStreamTypes["VIDEO"] = "video"; -})(ElementaryStreamTypes || (ElementaryStreamTypes = {})); - -var fragment_Fragment = -/*#__PURE__*/ -function () { - function Fragment() { - var _this$_elementaryStre; - - this._url = null; - this._byteRange = null; - this._decryptdata = null; - this._elementaryStreams = (_this$_elementaryStre = {}, _this$_elementaryStre[ElementaryStreamTypes.AUDIO] = false, _this$_elementaryStre[ElementaryStreamTypes.VIDEO] = false, _this$_elementaryStre); - this.deltaPTS = 0; - this.rawProgramDateTime = null; - this.programDateTime = null; - this.title = null; - this.tagList = []; - this.cc = void 0; - this.type = void 0; - this.relurl = void 0; - this.baseurl = void 0; - this.duration = void 0; - this.start = void 0; - this.sn = 0; - this.urlId = 0; - this.level = 0; - this.levelkey = void 0; - this.loader = void 0; - } + switch (context.type) { + case PlaylistContextType.MANIFEST: + maxRetry = config.manifestLoadingMaxRetry; + timeout = config.manifestLoadingTimeOut; + retryDelay = config.manifestLoadingRetryDelay; + maxRetryDelay = config.manifestLoadingMaxRetryTimeout; + break; - var _proto = Fragment.prototype; + case PlaylistContextType.LEVEL: + // Disable internal loader retry logic, since we are managing retries in Level Controller + maxRetry = 0; + maxRetryDelay = 0; + retryDelay = 0; + timeout = config.levelLoadingTimeOut; // TODO Introduce retry settings for audio-track and subtitle-track, it should not use level retry config - // setByteRange converts a EXT-X-BYTERANGE attribute into a two element array - _proto.setByteRange = function setByteRange(value, previousFrag) { - var params = value.split('@', 2); - var byteRange = []; + break; - if (params.length === 1) { - byteRange[0] = previousFrag ? previousFrag.byteRangeEndOffset : 0; - } else { - byteRange[0] = parseInt(params[1]); + default: + maxRetry = config.levelLoadingMaxRetry; + timeout = config.levelLoadingTimeOut; + retryDelay = config.levelLoadingRetryDelay; + maxRetryDelay = config.levelLoadingMaxRetryTimeout; + break; } - byteRange[1] = parseInt(params[0]) + byteRange[0]; - this._byteRange = byteRange; + loader = this.createInternalLoader(context); + var loaderConfig = { + timeout: timeout, + maxRetry: maxRetry, + retryDelay: retryDelay, + maxRetryDelay: maxRetryDelay + }; + var loaderCallbacks = { + onSuccess: this.loadsuccess.bind(this), + onError: this.loaderror.bind(this), + onTimeout: this.loadtimeout.bind(this) + }; + logger["logger"].debug("Calling internal loader delegate for URL: " + context.url); + loader.load(context, loaderConfig, loaderCallbacks); + return true; }; - /** - * @param {ElementaryStreamTypes} type - */ - _proto.addElementaryStream = function addElementaryStream(type) { - this._elementaryStreams[type] = true; - } - /** - * @param {ElementaryStreamTypes} type - */ - ; - - _proto.hasElementaryStream = function hasElementaryStream(type) { - return this._elementaryStreams[type] === true; - } - /** - * Utility method for parseLevelPlaylist to create an initialization vector for a given segment - * @param {number} segmentNumber - segment number to generate IV with - * @returns {Uint8Array} - */ - ; - - _proto.createInitializationVector = function createInitializationVector(segmentNumber) { - var uint8View = new Uint8Array(16); - - for (var i = 12; i < 16; i++) { - uint8View[i] = segmentNumber >> 8 * (15 - i) & 0xff; - } - - return uint8View; - } - /** - * Utility method for parseLevelPlaylist to get a fragment's decryption data from the currently parsed encryption key data - * @param levelkey - a playlist's encryption info - * @param segmentNumber - the fragment's segment number - * @returns {LevelKey} - an object to be applied as a fragment's decryptdata - */ - ; - - _proto.setDecryptDataFromLevelKey = function setDecryptDataFromLevelKey(levelkey, segmentNumber) { - var decryptdata = levelkey; - - if (levelkey && levelkey.method && levelkey.uri && !levelkey.iv) { - decryptdata = new level_key_LevelKey(levelkey.baseuri, levelkey.reluri); - decryptdata.method = levelkey.method; - decryptdata.iv = this.createInitializationVector(segmentNumber); + _proto.loadsuccess = function loadsuccess(response, stats, context, networkDetails) { + if (networkDetails === void 0) { + networkDetails = null; } - return decryptdata; - }; + if (context.isSidxRequest) { + this._handleSidxRequest(response, context); - fragment_createClass(Fragment, [{ - key: "url", - get: function get() { - if (!this._url && this.relurl) { - this._url = Object(url_toolkit["buildAbsoluteURL"])(this.baseurl, this.relurl, { - alwaysNormalize: true - }); - } + this._handlePlaylistLoaded(response, stats, context, networkDetails); - return this._url; - }, - set: function set(value) { - this._url = value; + return; } - }, { - key: "byteRange", - get: function get() { - if (!this._byteRange) { - return []; - } - return this._byteRange; - } - /** - * @type {number} - */ + this.resetInternalLoader(context.type); - }, { - key: "byteRangeStartOffset", - get: function get() { - return this.byteRange[0]; - } - }, { - key: "byteRangeEndOffset", - get: function get() { - return this.byteRange[1]; + if (typeof response.data !== 'string') { + throw new Error('expected responseType of "text" for PlaylistLoader'); } - }, { - key: "decryptdata", - get: function get() { - if (!this.levelkey && !this._decryptdata) { - return null; - } - if (!this._decryptdata && this.levelkey) { - var sn = this.sn; + var string = response.data; + stats.tload = performance.now(); // stats.mtime = new Date(target.getResponseHeader('Last-Modified')); + // Validate if it is an M3U8 at all - if (typeof sn !== 'number') { - // We are fetching decryption data for a initialization segment - // If the segment was encrypted with AES-128 - // It must have an IV defined. We cannot substitute the Segment Number in. - if (this.levelkey && this.levelkey.method === 'AES-128' && !this.levelkey.iv) { - logger["logger"].warn("missing IV for initialization segment with method=\"" + this.levelkey.method + "\" - compliance issue"); - } - /* - Be converted to a Number. - 'initSegment' will become NaN. - NaN, which when converted through ToInt32() -> +0. - --- - Explicitly set sn to resulting value from implicit conversions 'initSegment' values for IV generation. - */ + if (string.indexOf('#EXTM3U') !== 0) { + this._handleManifestParsingError(response, context, 'no EXTM3U delimiter', networkDetails); + return; + } // Check if chunk-list or master. handle empty chunk list case (first EXTINF not signaled, but TARGETDURATION present) - sn = 0; - } - this._decryptdata = this.setDecryptDataFromLevelKey(this.levelkey, sn); - } + if (string.indexOf('#EXTINF:') > 0 || string.indexOf('#EXT-X-TARGETDURATION:') > 0) { + this._handleTrackOrLevelPlaylist(response, stats, context, networkDetails); + } else { + this._handleMasterPlaylist(response, stats, context, networkDetails); + } + }; - return this._decryptdata; + _proto.loaderror = function loaderror(response, context, networkDetails) { + if (networkDetails === void 0) { + networkDetails = null; } - }, { - key: "endProgramDateTime", - get: function get() { - if (this.programDateTime === null) { - return null; - } - if (!Object(number_isFinite["isFiniteNumber"])(this.programDateTime)) { - return null; - } + this._handleNetworkError(context, networkDetails, false, response); + }; - var duration = !Object(number_isFinite["isFiniteNumber"])(this.duration) ? 0 : this.duration; - return this.programDateTime + duration * 1000; - } - }, { - key: "encrypted", - get: function get() { - return !!(this.decryptdata && this.decryptdata.uri !== null && this.decryptdata.key === null); + _proto.loadtimeout = function loadtimeout(stats, context, networkDetails) { + if (networkDetails === void 0) { + networkDetails = null; } - }]); - return Fragment; -}(); + this._handleNetworkError(context, networkDetails, true); + } // TODO(typescript-config): networkDetails can currently be a XHR or Fetch impl, + // but with custom loaders it could be generic investigate this further when config is typed + ; + _proto._handleMasterPlaylist = function _handleMasterPlaylist(response, stats, context, networkDetails) { + var hls = this.hls; + var string = response.data; + var url = PlaylistLoader.getResponseUrl(response, context); + var levels = m3u8_parser_M3U8Parser.parseMasterPlaylist(string, url); -// CONCATENATED MODULE: ./src/loader/level.js + if (!levels.length) { + this._handleManifestParsingError(response, context, 'no level found in manifest', networkDetails); + return; + } // multi level playlist, parse level info -function level_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } -function level_createClass(Constructor, protoProps, staticProps) { if (protoProps) level_defineProperties(Constructor.prototype, protoProps); if (staticProps) level_defineProperties(Constructor, staticProps); return Constructor; } + var audioGroups = levels.map(function (level) { + return { + id: level.attrs.AUDIO, + codec: level.audioCodec + }; + }); + var audioTracks = m3u8_parser_M3U8Parser.parseMasterPlaylistMedia(string, url, 'AUDIO', audioGroups); + var subtitles = m3u8_parser_M3U8Parser.parseMasterPlaylistMedia(string, url, 'SUBTITLES'); -var level_Level = -/*#__PURE__*/ -function () { - function Level(baseUrl) { - // Please keep properties in alphabetical order - this.endCC = 0; - this.endSN = 0; - this.fragments = []; - this.initSegment = null; - this.live = true; - this.needSidxRanges = false; - this.startCC = 0; - this.startSN = 0; - this.startTimeOffset = null; - this.targetduration = 0; - this.totalduration = 0; - this.type = null; - this.url = baseUrl; - this.version = null; - } + if (audioTracks.length) { + // check if we have found an audio track embedded in main playlist (audio track without URI attribute) + var embeddedAudioFound = false; + audioTracks.forEach(function (audioTrack) { + if (!audioTrack.url) { + embeddedAudioFound = true; + } + }); // if no embedded audio track defined, but audio codec signaled in quality level, + // we need to signal this main audio track this could happen with playlists with + // alt audio rendition in which quality levels (main) + // contains both audio+video. but with mixed audio track not signaled - level_createClass(Level, [{ - key: "hasProgramDateTime", - get: function get() { - return !!(this.fragments[0] && Object(number_isFinite["isFiniteNumber"])(this.fragments[0].programDateTime)); + if (embeddedAudioFound === false && levels[0].audioCodec && !levels[0].attrs.AUDIO) { + logger["logger"].log('audio codec signaled in quality level, but no embedded audio track signaled, create one'); + audioTracks.unshift({ + type: 'main', + name: 'main', + default: false, + autoselect: false, + forced: false, + id: -1 + }); + } } - }]); - return Level; -}(); + hls.trigger(events["default"].MANIFEST_LOADED, { + levels: levels, + audioTracks: audioTracks, + subtitles: subtitles, + url: url, + stats: stats, + networkDetails: networkDetails + }); + }; + _proto._handleTrackOrLevelPlaylist = function _handleTrackOrLevelPlaylist(response, stats, context, networkDetails) { + var hls = this.hls; + var id = context.id, + level = context.level, + type = context.type; + var url = PlaylistLoader.getResponseUrl(response, context); // if the values are null, they will result in the else conditional -// CONCATENATED MODULE: ./src/utils/attr-list.js -var DECIMAL_RESOLUTION_REGEX = /^(\d+)x(\d+)$/; // eslint-disable-line no-useless-escape + var levelUrlId = Object(number_isFinite["isFiniteNumber"])(id) ? id : 0; + var levelId = Object(number_isFinite["isFiniteNumber"])(level) ? level : levelUrlId; + var levelType = PlaylistLoader.mapContextToLevelType(context); + var levelDetails = m3u8_parser_M3U8Parser.parseLevelPlaylist(response.data, url, levelId, levelType, levelUrlId); // set stats on level structure + // TODO(jstackhouse): why? mixing concerns, is it just treated as value bag? -var ATTR_LIST_REGEX = /\s*(.+?)\s*=((?:\".*?\")|.*?)(?:,|$)/g; // eslint-disable-line no-useless-escape -// adapted from https://github.com/kanongil/node-m3u8parse/blob/master/attrlist.js + levelDetails.tload = stats.tload; // We have done our first request (Manifest-type) and receive + // not a master playlist but a chunk-list (track/level) + // We fire the manifest-loaded event anyway with the parsed level-details + // by creating a single-level structure for it. -var AttrList = -/*#__PURE__*/ -function () { - function AttrList(attrs) { - if (typeof attrs === 'string') { - attrs = AttrList.parseAttrList(attrs); - } + if (type === PlaylistContextType.MANIFEST) { + var singleLevel = { + url: url, + details: levelDetails + }; + hls.trigger(events["default"].MANIFEST_LOADED, { + levels: [singleLevel], + audioTracks: [], + url: url, + stats: stats, + networkDetails: networkDetails + }); + } // save parsing time - for (var attr in attrs) { - if (attrs.hasOwnProperty(attr)) { - this[attr] = attrs[attr]; - } - } - } - var _proto = AttrList.prototype; + stats.tparsed = performance.now(); // in case we need SIDX ranges + // return early after calling load for + // the SIDX box. - _proto.decimalInteger = function decimalInteger(attrName) { - var intValue = parseInt(this[attrName], 10); + if (levelDetails.needSidxRanges) { + var sidxUrl = levelDetails.initSegment.url; + this.load({ + url: sidxUrl, + isSidxRequest: true, + type: type, + level: level, + levelDetails: levelDetails, + id: id, + rangeStart: 0, + rangeEnd: 2048, + responseType: 'arraybuffer' + }); + return; + } // extend the context with the new levelDetails property - if (intValue > Number.MAX_SAFE_INTEGER) { - return Infinity; - } - return intValue; + context.levelDetails = levelDetails; + + this._handlePlaylistLoaded(response, stats, context, networkDetails); }; - _proto.hexadecimalInteger = function hexadecimalInteger(attrName) { - if (this[attrName]) { - var stringValue = (this[attrName] || '0x').slice(2); - stringValue = (stringValue.length & 1 ? '0' : '') + stringValue; - var value = new Uint8Array(stringValue.length / 2); + _proto._handleSidxRequest = function _handleSidxRequest(response, context) { + if (typeof response.data === 'string') { + throw new Error('sidx request must be made with responseType of array buffer'); + } - for (var i = 0; i < stringValue.length / 2; i++) { - value[i] = parseInt(stringValue.slice(i * 2, i * 2 + 2), 16); - } + var sidxInfo = mp4demuxer["default"].parseSegmentIndex(new Uint8Array(response.data)); // if provided fragment does not contain sidx, early return - return value; - } else { - return null; + if (!sidxInfo) { + return; } - }; - _proto.hexadecimalIntegerAsNumber = function hexadecimalIntegerAsNumber(attrName) { - var intValue = parseInt(this[attrName], 16); + var sidxReferences = sidxInfo.references; + var levelDetails = context.levelDetails; + sidxReferences.forEach(function (segmentRef, index) { + var segRefInfo = segmentRef.info; - if (intValue > Number.MAX_SAFE_INTEGER) { - return Infinity; - } + if (!levelDetails) { + return; + } - return intValue; - }; + var frag = levelDetails.fragments[index]; - _proto.decimalFloatingPoint = function decimalFloatingPoint(attrName) { - return parseFloat(this[attrName]); + if (frag.byteRange.length === 0) { + frag.setByteRange(String(1 + segRefInfo.end - segRefInfo.start) + '@' + String(segRefInfo.start)); + } + }); + + if (levelDetails) { + levelDetails.initSegment.setByteRange(String(sidxInfo.moovEndOffset) + '@0'); + } }; - _proto.enumeratedString = function enumeratedString(attrName) { - return this[attrName]; + _proto._handleManifestParsingError = function _handleManifestParsingError(response, context, reason, networkDetails) { + this.hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].NETWORK_ERROR, + details: errors["ErrorDetails"].MANIFEST_PARSING_ERROR, + fatal: true, + url: response.url, + reason: reason, + networkDetails: networkDetails + }); }; - _proto.decimalResolution = function decimalResolution(attrName) { - var res = DECIMAL_RESOLUTION_REGEX.exec(this[attrName]); + _proto._handleNetworkError = function _handleNetworkError(context, networkDetails, timeout, response) { + if (timeout === void 0) { + timeout = false; + } - if (res === null) { - return undefined; + if (response === void 0) { + response = null; } - return { - width: parseInt(res[1], 10), - height: parseInt(res[2], 10) - }; - }; + logger["logger"].info("A network error occured while loading a " + context.type + "-type playlist"); + var details; + var fatal; + var loader = this.getInternalLoader(context); - AttrList.parseAttrList = function parseAttrList(input) { - var match, - attrs = {}; - ATTR_LIST_REGEX.lastIndex = 0; + switch (context.type) { + case PlaylistContextType.MANIFEST: + details = timeout ? errors["ErrorDetails"].MANIFEST_LOAD_TIMEOUT : errors["ErrorDetails"].MANIFEST_LOAD_ERROR; + fatal = true; + break; - while ((match = ATTR_LIST_REGEX.exec(input)) !== null) { - var value = match[2], - quote = '"'; + case PlaylistContextType.LEVEL: + details = timeout ? errors["ErrorDetails"].LEVEL_LOAD_TIMEOUT : errors["ErrorDetails"].LEVEL_LOAD_ERROR; + fatal = false; + break; - if (value.indexOf(quote) === 0 && value.lastIndexOf(quote) === value.length - 1) { - value = value.slice(1, -1); - } + case PlaylistContextType.AUDIO_TRACK: + details = timeout ? errors["ErrorDetails"].AUDIO_TRACK_LOAD_TIMEOUT : errors["ErrorDetails"].AUDIO_TRACK_LOAD_ERROR; + fatal = false; + break; - attrs[match[1]] = value; + default: + // details = ...? + fatal = false; } - return attrs; - }; + if (loader) { + loader.abort(); + this.resetInternalLoader(context.type); + } // TODO(typescript-events): when error events are handled, type this - return AttrList; -}(); -/* harmony default export */ var attr_list = (AttrList); -// CONCATENATED MODULE: ./src/utils/codecs.ts -// from http://mp4ra.org/codecs.html -var sampleEntryCodesISO = { - audio: { - 'a3ds': true, - 'ac-3': true, - 'ac-4': true, - 'alac': true, - 'alaw': true, - 'dra1': true, - 'dts+': true, - 'dts-': true, - 'dtsc': true, - 'dtse': true, - 'dtsh': true, - 'ec-3': true, - 'enca': true, - 'g719': true, - 'g726': true, - 'm4ae': true, - 'mha1': true, - 'mha2': true, - 'mhm1': true, - 'mhm2': true, - 'mlpa': true, - 'mp4a': true, - 'raw ': true, - 'Opus': true, - 'samr': true, - 'sawb': true, - 'sawp': true, - 'sevc': true, - 'sqcp': true, - 'ssmv': true, - 'twos': true, - 'ulaw': true - }, - video: { - 'avc1': true, - 'avc2': true, - 'avc3': true, - 'avc4': true, - 'avcp': true, - 'drac': true, - 'dvav': true, - 'dvhe': true, - 'encv': true, - 'hev1': true, - 'hvc1': true, - 'mjp2': true, - 'mp4v': true, - 'mvc1': true, - 'mvc2': true, - 'mvc3': true, - 'mvc4': true, - 'resv': true, - 'rv60': true, - 's263': true, - 'svc1': true, - 'svc2': true, - 'vc-1': true, - 'vp08': true, - 'vp09': true - } -}; - -function isCodecType(codec, type) { - var typeCodes = sampleEntryCodesISO[type]; - return !!typeCodes && typeCodes[codec.slice(0, 4)] === true; -} + var errorData = { + type: errors["ErrorTypes"].NETWORK_ERROR, + details: details, + fatal: fatal, + url: context.url, + loader: loader, + context: context, + networkDetails: networkDetails + }; -function isCodecSupportedInMp4(codec, type) { - return MediaSource.isTypeSupported((type || 'video') + "/mp4;codecs=\"" + codec + "\""); -} + if (response) { + errorData.response = response; + } + this.hls.trigger(events["default"].ERROR, errorData); + }; -// CONCATENATED MODULE: ./src/loader/m3u8-parser.ts + _proto._handlePlaylistLoaded = function _handlePlaylistLoaded(response, stats, context, networkDetails) { + var type = context.type, + level = context.level, + id = context.id, + levelDetails = context.levelDetails; + if (!levelDetails || !levelDetails.targetduration) { + this._handleManifestParsingError(response, context, 'invalid target duration', networkDetails); + return; + } + var canHaveLevels = PlaylistLoader.canHaveQualityLevels(context.type); + if (canHaveLevels) { + this.hls.trigger(events["default"].LEVEL_LOADED, { + details: levelDetails, + level: level || 0, + id: id || 0, + stats: stats, + networkDetails: networkDetails + }); + } else { + switch (type) { + case PlaylistContextType.AUDIO_TRACK: + this.hls.trigger(events["default"].AUDIO_TRACK_LOADED, { + details: levelDetails, + id: id, + stats: stats, + networkDetails: networkDetails + }); + break; + case PlaylistContextType.SUBTITLE_TRACK: + this.hls.trigger(events["default"].SUBTITLE_TRACK_LOADED, { + details: levelDetails, + id: id, + stats: stats, + networkDetails: networkDetails + }); + break; + } + } + }; + return PlaylistLoader; +}(event_handler); +/* harmony default export */ var playlist_loader = (playlist_loader_PlaylistLoader); +// CONCATENATED MODULE: ./src/loader/fragment-loader.js +function fragment_loader_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } -/** - * M3U8 parser - * @module - */ -// https://regex101.com is your friend -var MASTER_PLAYLIST_REGEX = /#EXT-X-STREAM-INF:([^\n\r]*)[\r\n]+([^\r\n]+)/g; -var MASTER_PLAYLIST_MEDIA_REGEX = /#EXT-X-MEDIA:(.*)/g; -var LEVEL_PLAYLIST_REGEX_FAST = new RegExp([/#EXTINF:\s*(\d*(?:\.\d+)?)(?:,(.*)\s+)?/.source, // duration (#EXTINF:<duration>,<title>), group 1 => duration, group 2 => title -/|(?!#)([\S+ ?]+)/.source, // segment URI, group 3 => the URI (note newline is not eaten) -/|#EXT-X-BYTERANGE:*(.+)/.source, // next segment's byterange, group 4 => range spec (x@y) -/|#EXT-X-PROGRAM-DATE-TIME:(.+)/.source, // next segment's program date/time group 5 => the datetime spec -/|#.*/.source // All other non-segment oriented tags will match with all groups empty -].join(''), 'g'); -var LEVEL_PLAYLIST_REGEX_SLOW = /(?:(?:#(EXTM3U))|(?:#EXT-X-(PLAYLIST-TYPE):(.+))|(?:#EXT-X-(MEDIA-SEQUENCE): *(\d+))|(?:#EXT-X-(TARGETDURATION): *(\d+))|(?:#EXT-X-(KEY):(.+))|(?:#EXT-X-(START):(.+))|(?:#EXT-X-(ENDLIST))|(?:#EXT-X-(DISCONTINUITY-SEQ)UENCE:(\d+))|(?:#EXT-X-(DIS)CONTINUITY))|(?:#EXT-X-(VERSION):(\d+))|(?:#EXT-X-(MAP):(.+))|(?:(#)([^:]*):(.*))|(?:(#)(.*))(?:.*)\r?\n?/; -var MP4_REGEX_SUFFIX = /\.(mp4|m4s|m4v|m4a)$/i; +/* + * Fragment Loader +*/ -var m3u8_parser_M3U8Parser = -/*#__PURE__*/ -function () { - function M3U8Parser() {} - M3U8Parser.findGroup = function findGroup(groups, mediaGroupId) { - for (var i = 0; i < groups.length; i++) { - var group = groups[i]; - if (group.id === mediaGroupId) { - return group; - } - } - }; - M3U8Parser.convertAVC1ToAVCOTI = function convertAVC1ToAVCOTI(codec) { - var avcdata = codec.split('.'); - var result; - if (avcdata.length > 2) { - result = avcdata.shift() + '.'; - result += parseInt(avcdata.shift()).toString(16); - result += ('000' + parseInt(avcdata.shift()).toString(16)).substr(-4); - } else { - result = codec; - } +var fragment_loader_FragmentLoader = +/*#__PURE__*/ +function (_EventHandler) { + fragment_loader_inheritsLoose(FragmentLoader, _EventHandler); - return result; - }; + function FragmentLoader(hls) { + var _this; - M3U8Parser.resolve = function resolve(url, baseUrl) { - return url_toolkit["buildAbsoluteURL"](baseUrl, url, { - alwaysNormalize: true - }); - }; + _this = _EventHandler.call(this, hls, events["default"].FRAG_LOADING) || this; + _this.loaders = {}; + return _this; + } - M3U8Parser.parseMasterPlaylist = function parseMasterPlaylist(string, baseurl) { - // TODO(typescript-level) - var levels = []; - MASTER_PLAYLIST_REGEX.lastIndex = 0; // TODO(typescript-level) + var _proto = FragmentLoader.prototype; - function setCodecs(codecs, level) { - ['video', 'audio'].forEach(function (type) { - var filtered = codecs.filter(function (codec) { - return isCodecType(codec, type); - }); + _proto.destroy = function destroy() { + var loaders = this.loaders; - if (filtered.length) { - var preferred = filtered.filter(function (codec) { - return codec.lastIndexOf('avc1', 0) === 0 || codec.lastIndexOf('mp4a', 0) === 0; - }); - level[type + "Codec"] = preferred.length > 0 ? preferred[0] : filtered[0]; // remove from list + for (var loaderName in loaders) { + var loader = loaders[loaderName]; - codecs = codecs.filter(function (codec) { - return filtered.indexOf(codec) === -1; - }); - } - }); - level.unknownCodecs = codecs; + if (loader) { + loader.destroy(); + } } - var result; - - while ((result = MASTER_PLAYLIST_REGEX.exec(string)) != null) { - // TODO(typescript-level) - var level = {}; - var attrs = level.attrs = new attr_list(result[1]); - level.url = M3U8Parser.resolve(result[2], baseurl); - var resolution = attrs.decimalResolution('RESOLUTION'); + this.loaders = {}; - if (resolution) { - level.width = resolution.width; - level.height = resolution.height; - } + _EventHandler.prototype.destroy.call(this); + }; - level.bitrate = attrs.decimalInteger('AVERAGE-BANDWIDTH') || attrs.decimalInteger('BANDWIDTH'); - level.name = attrs.NAME; - setCodecs([].concat((attrs.CODECS || '').split(/[ ,]+/)), level); + _proto.onFragLoading = function onFragLoading(data) { + var frag = data.frag, + type = frag.type, + loaders = this.loaders, + config = this.hls.config, + FragmentILoader = config.fLoader, + DefaultILoader = config.loader; // reset fragment state - if (level.videoCodec && level.videoCodec.indexOf('avc1') !== -1) { - level.videoCodec = M3U8Parser.convertAVC1ToAVCOTI(level.videoCodec); - } + frag.loaded = 0; + var loader = loaders[type]; - levels.push(level); + if (loader) { + logger["logger"].warn("abort previous fragment loader for type: " + type); + loader.abort(); } - return levels; - }; + loader = loaders[type] = frag.loader = config.fLoader ? new FragmentILoader(config) : new DefaultILoader(config); + var loaderContext, loaderConfig, loaderCallbacks; + loaderContext = { + url: frag.url, + frag: frag, + responseType: 'arraybuffer', + progressData: false + }; + var start = frag.byteRangeStartOffset, + end = frag.byteRangeEndOffset; - M3U8Parser.parseMasterPlaylistMedia = function parseMasterPlaylistMedia(string, baseurl, type, audioGroups) { - if (audioGroups === void 0) { - audioGroups = []; + if (Object(number_isFinite["isFiniteNumber"])(start) && Object(number_isFinite["isFiniteNumber"])(end)) { + loaderContext.rangeStart = start; + loaderContext.rangeEnd = end; } - var result; - var medias = []; - var id = 0; - MASTER_PLAYLIST_MEDIA_REGEX.lastIndex = 0; + loaderConfig = { + timeout: config.fragLoadingTimeOut, + maxRetry: 0, + retryDelay: 0, + maxRetryDelay: config.fragLoadingMaxRetryTimeout + }; + loaderCallbacks = { + onSuccess: this.loadsuccess.bind(this), + onError: this.loaderror.bind(this), + onTimeout: this.loadtimeout.bind(this), + onProgress: this.loadprogress.bind(this) + }; + loader.load(loaderContext, loaderConfig, loaderCallbacks); + }; - while ((result = MASTER_PLAYLIST_MEDIA_REGEX.exec(string)) !== null) { - var attrs = new attr_list(result[1]); + _proto.loadsuccess = function loadsuccess(response, stats, context, networkDetails) { + if (networkDetails === void 0) { + networkDetails = null; + } - if (attrs.TYPE === type) { - var media = { - id: id++, - groupId: attrs['GROUP-ID'], - name: attrs.NAME || attrs.LANGUAGE, - type: type, - default: attrs.DEFAULT === 'YES', - autoselect: attrs.AUTOSELECT === 'YES', - forced: attrs.FORCED === 'YES', - lang: attrs.LANGUAGE - }; + var payload = response.data, + frag = context.frag; // detach fragment loader on load success - if (attrs.URI) { - media.url = M3U8Parser.resolve(attrs.URI, baseurl); - } + frag.loader = undefined; + this.loaders[frag.type] = undefined; + this.hls.trigger(events["default"].FRAG_LOADED, { + payload: payload, + frag: frag, + stats: stats, + networkDetails: networkDetails + }); + }; - if (audioGroups.length) { - // If there are audio groups signalled in the manifest, let's look for a matching codec string for this track - var groupCodec = M3U8Parser.findGroup(audioGroups, media.groupId); // If we don't find the track signalled, lets use the first audio groups codec we have - // Acting as a best guess + _proto.loaderror = function loaderror(response, context, networkDetails) { + if (networkDetails === void 0) { + networkDetails = null; + } - media.audioCodec = groupCodec ? groupCodec.codec : audioGroups[0].codec; - } + var frag = context.frag; + var loader = frag.loader; - medias.push(media); - } + if (loader) { + loader.abort(); } - return medias; + this.loaders[frag.type] = undefined; + this.hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].NETWORK_ERROR, + details: errors["ErrorDetails"].FRAG_LOAD_ERROR, + fatal: false, + frag: context.frag, + response: response, + networkDetails: networkDetails + }); }; - M3U8Parser.parseLevelPlaylist = function parseLevelPlaylist(string, baseurl, id, type, levelUrlId) { - var currentSN = 0; - var totalduration = 0; - var level = new level_Level(baseurl); - var discontinuityCounter = 0; - var prevFrag = null; - var frag = new fragment_Fragment(); - var result; - var i; - var levelkey; - var firstPdtIndex = null; - LEVEL_PLAYLIST_REGEX_FAST.lastIndex = 0; + _proto.loadtimeout = function loadtimeout(stats, context, networkDetails) { + if (networkDetails === void 0) { + networkDetails = null; + } - while ((result = LEVEL_PLAYLIST_REGEX_FAST.exec(string)) !== null) { - var duration = result[1]; + var frag = context.frag; + var loader = frag.loader; - if (duration) { - // INF - frag.duration = parseFloat(duration); // avoid sliced strings https://github.com/video-dev/hls.js/issues/939 + if (loader) { + loader.abort(); + } - var title = (' ' + result[2]).slice(1); - frag.title = title || null; - frag.tagList.push(title ? ['INF', duration, title] : ['INF', duration]); - } else if (result[3]) { - // url - if (Object(number_isFinite["isFiniteNumber"])(frag.duration)) { - var sn = currentSN++; - frag.type = type; - frag.start = totalduration; + this.loaders[frag.type] = undefined; + this.hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].NETWORK_ERROR, + details: errors["ErrorDetails"].FRAG_LOAD_TIMEOUT, + fatal: false, + frag: context.frag, + networkDetails: networkDetails + }); + } // data will be used for progressive parsing + ; - if (levelkey) { - frag.levelkey = levelkey; - } + _proto.loadprogress = function loadprogress(stats, context, data, networkDetails) { + if (networkDetails === void 0) { + networkDetails = null; + } - frag.sn = sn; - frag.level = id; - frag.cc = discontinuityCounter; - frag.urlId = levelUrlId; - frag.baseurl = baseurl; // avoid sliced strings https://github.com/video-dev/hls.js/issues/939 + // jshint ignore:line + var frag = context.frag; + frag.loaded = stats.loaded; + this.hls.trigger(events["default"].FRAG_LOAD_PROGRESS, { + frag: frag, + stats: stats, + networkDetails: networkDetails + }); + }; - frag.relurl = (' ' + result[3]).slice(1); - assignProgramDateTime(frag, prevFrag); - level.fragments.push(frag); - prevFrag = frag; - totalduration += frag.duration; - frag = new fragment_Fragment(); - } - } else if (result[4]) { - // X-BYTERANGE - var data = (' ' + result[4]).slice(1); + return FragmentLoader; +}(event_handler); - if (prevFrag) { - frag.setByteRange(data, prevFrag); - } else { - frag.setByteRange(data); - } - } else if (result[5]) { - // PROGRAM-DATE-TIME - // avoid sliced strings https://github.com/video-dev/hls.js/issues/939 - frag.rawProgramDateTime = (' ' + result[5]).slice(1); - frag.tagList.push(['PROGRAM-DATE-TIME', frag.rawProgramDateTime]); +/* harmony default export */ var fragment_loader = (fragment_loader_FragmentLoader); +// CONCATENATED MODULE: ./src/loader/key-loader.ts +function key_loader_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } - if (firstPdtIndex === null) { - firstPdtIndex = level.fragments.length; - } - } else { - result = result[0].match(LEVEL_PLAYLIST_REGEX_SLOW); +/* + * Decrypt key Loader +*/ - if (!result) { - logger["logger"].warn('No matches on slow regex match for level playlist!'); - continue; - } - for (i = 1; i < result.length; i++) { - if (typeof result[i] !== 'undefined') { - break; - } - } // avoid sliced strings https://github.com/video-dev/hls.js/issues/939 - var value1 = (' ' + result[i + 1]).slice(1); - var value2 = (' ' + result[i + 2]).slice(1); - switch (result[i]) { - case '#': - frag.tagList.push(value2 ? [value1, value2] : [value1]); - break; +var key_loader_KeyLoader = +/*#__PURE__*/ +function (_EventHandler) { + key_loader_inheritsLoose(KeyLoader, _EventHandler); - case 'PLAYLIST-TYPE': - level.type = value1.toUpperCase(); - break; + function KeyLoader(hls) { + var _this; - case 'MEDIA-SEQUENCE': - currentSN = level.startSN = parseInt(value1); - break; + _this = _EventHandler.call(this, hls, events["default"].KEY_LOADING) || this; + _this.loaders = {}; + _this.decryptkey = null; + _this.decrypturl = null; + return _this; + } - case 'TARGETDURATION': - level.targetduration = parseFloat(value1); - break; + var _proto = KeyLoader.prototype; - case 'VERSION': - level.version = parseInt(value1); - break; + _proto.destroy = function destroy() { + for (var loaderName in this.loaders) { + var loader = this.loaders[loaderName]; - case 'EXTM3U': - break; + if (loader) { + loader.destroy(); + } + } - case 'ENDLIST': - level.live = false; - break; + this.loaders = {}; - case 'DIS': - discontinuityCounter++; - frag.tagList.push(['DIS']); - break; + _EventHandler.prototype.destroy.call(this); + }; - case 'DISCONTINUITY-SEQ': - discontinuityCounter = parseInt(value1); - break; + _proto.onKeyLoading = function onKeyLoading(data) { + var frag = data.frag; + var type = frag.type; + var loader = this.loaders[type]; - case 'KEY': - { - // https://tools.ietf.org/html/draft-pantos-http-live-streaming-08#section-3.4.4 - var decryptparams = value1; - var keyAttrs = new attr_list(decryptparams); - var decryptmethod = keyAttrs.enumeratedString('METHOD'); - var decrypturi = keyAttrs.URI; - var decryptiv = keyAttrs.hexadecimalInteger('IV'); + if (!frag.decryptdata) { + logger["logger"].warn('Missing decryption data on fragment in onKeyLoading'); + return; + } // Load the key if the uri is different from previous one, or if the decrypt key has not yet been retrieved - if (decryptmethod) { - levelkey = new level_key_LevelKey(baseurl, decrypturi); - if (decrypturi && ['AES-128', 'SAMPLE-AES', 'SAMPLE-AES-CENC'].indexOf(decryptmethod) >= 0) { - levelkey.method = decryptmethod; - levelkey.key = null; // Initialization Vector (IV) + var uri = frag.decryptdata.uri; - levelkey.iv = decryptiv; - } - } - - break; - } - - case 'START': - { - var startAttrs = new attr_list(value1); - var startTimeOffset = startAttrs.decimalFloatingPoint('TIME-OFFSET'); // TIME-OFFSET can be 0 - - if (Object(number_isFinite["isFiniteNumber"])(startTimeOffset)) { - level.startTimeOffset = startTimeOffset; - } - - break; - } - - case 'MAP': - { - var mapAttrs = new attr_list(value1); - frag.relurl = mapAttrs.URI; - - if (mapAttrs.BYTERANGE) { - frag.setByteRange(mapAttrs.BYTERANGE); - } - - frag.baseurl = baseurl; - frag.level = id; - frag.type = type; - frag.sn = 'initSegment'; - level.initSegment = frag; - frag = new fragment_Fragment(); - frag.rawProgramDateTime = level.initSegment.rawProgramDateTime; - break; - } + if (uri !== this.decrypturl || this.decryptkey === null) { + var config = this.hls.config; - default: - logger["logger"].warn("line parsed but not handled: " + result); - break; - } + if (loader) { + logger["logger"].warn("abort previous key loader for type:" + type); + loader.abort(); } - } - - frag = prevFrag; // logger.log('found ' + level.fragments.length + ' fragments'); - if (frag && !frag.relurl) { - level.fragments.pop(); - totalduration -= frag.duration; - } - - level.totalduration = totalduration; - level.averagetargetduration = totalduration / level.fragments.length; - level.endSN = currentSN - 1; - level.startCC = level.fragments[0] ? level.fragments[0].cc : 0; - level.endCC = discontinuityCounter; - - if (!level.initSegment && level.fragments.length) { - // this is a bit lurky but HLS really has no other way to tell us - // if the fragments are TS or MP4, except if we download them :/ - // but this is to be able to handle SIDX. - if (level.fragments.every(function (frag) { - return MP4_REGEX_SUFFIX.test(frag.relurl); - })) { - logger["logger"].warn('MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX'); - frag = new fragment_Fragment(); - frag.relurl = level.fragments[0].relurl; - frag.baseurl = baseurl; - frag.level = id; - frag.type = type; - frag.sn = 'initSegment'; - level.initSegment = frag; - level.needSidxRanges = true; + if (!uri) { + logger["logger"].warn('key uri is falsy'); + return; } - } - /** - * Backfill any missing PDT values - "If the first EXT-X-PROGRAM-DATE-TIME tag in a Playlist appears after - one or more Media Segment URIs, the client SHOULD extrapolate - backward from that tag (using EXTINF durations and/or media - timestamps) to associate dates with those segments." - * We have already extrapolated forward, but all fragments up to the first instance of PDT do not have their PDTs - * computed. - */ + frag.loader = this.loaders[type] = new config.loader(config); + this.decrypturl = uri; + this.decryptkey = null; + var loaderContext = { + url: uri, + frag: frag, + responseType: 'arraybuffer' + }; // maxRetry is 0 so that instead of retrying the same key on the same variant multiple times, + // key-loader will trigger an error and rely on stream-controller to handle retry logic. + // this will also align retry logic with fragment-loader - if (firstPdtIndex) { - backfillProgramDateTimes(level.fragments, firstPdtIndex); + var loaderConfig = { + timeout: config.fragLoadingTimeOut, + maxRetry: 0, + retryDelay: config.fragLoadingRetryDelay, + maxRetryDelay: config.fragLoadingMaxRetryTimeout + }; + var loaderCallbacks = { + onSuccess: this.loadsuccess.bind(this), + onError: this.loaderror.bind(this), + onTimeout: this.loadtimeout.bind(this) + }; + frag.loader.load(loaderContext, loaderConfig, loaderCallbacks); + } else if (this.decryptkey) { + // Return the key if it's already been loaded + frag.decryptdata.key = this.decryptkey; + this.hls.trigger(events["default"].KEY_LOADED, { + frag: frag + }); } - - return level; }; - return M3U8Parser; -}(); - - + _proto.loadsuccess = function loadsuccess(response, stats, context) { + var frag = context.frag; -function backfillProgramDateTimes(fragments, startIndex) { - var fragPrev = fragments[startIndex]; + if (!frag.decryptdata) { + logger["logger"].error('after key load, decryptdata unset'); + return; + } - for (var i = startIndex - 1; i >= 0; i--) { - var frag = fragments[i]; - frag.programDateTime = fragPrev.programDateTime - frag.duration * 1000; - fragPrev = frag; - } -} + this.decryptkey = frag.decryptdata.key = new Uint8Array(response.data); // detach fragment loader on load success -function assignProgramDateTime(frag, prevFrag) { - if (frag.rawProgramDateTime) { - frag.programDateTime = Date.parse(frag.rawProgramDateTime); - } else if (prevFrag && prevFrag.programDateTime) { - frag.programDateTime = prevFrag.endProgramDateTime; - } + frag.loader = undefined; + delete this.loaders[frag.type]; + this.hls.trigger(events["default"].KEY_LOADED, { + frag: frag + }); + }; - if (!Object(number_isFinite["isFiniteNumber"])(frag.programDateTime)) { - frag.programDateTime = null; - frag.rawProgramDateTime = null; - } -} -// CONCATENATED MODULE: ./src/loader/playlist-loader.ts + _proto.loaderror = function loaderror(response, context) { + var frag = context.frag; + var loader = frag.loader; + if (loader) { + loader.abort(); + } + delete this.loaders[frag.type]; + this.hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].NETWORK_ERROR, + details: errors["ErrorDetails"].KEY_LOAD_ERROR, + fatal: false, + frag: frag, + response: response + }); + }; -function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } + _proto.loadtimeout = function loadtimeout(stats, context) { + var frag = context.frag; + var loader = frag.loader; -/** - * PlaylistLoader - delegate for media manifest/playlist loading tasks. Takes care of parsing media to internal data-models. - * - * Once loaded, dispatches events with parsed data-models of manifest/levels/audio/subtitle tracks. - * - * Uses loader(s) set in config to do actual internal loading of resource tasks. - * - * @module - * - */ + if (loader) { + loader.abort(); + } + delete this.loaders[frag.type]; + this.hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].NETWORK_ERROR, + details: errors["ErrorDetails"].KEY_LOAD_TIMEOUT, + fatal: false, + frag: frag + }); + }; + return KeyLoader; +}(event_handler); +/* harmony default export */ var key_loader = (key_loader_KeyLoader); +// CONCATENATED MODULE: ./src/controller/fragment-tracker.js +function fragment_tracker_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } -var _window = window, - performance = _window.performance; -/** - * @constructor - */ -var playlist_loader_PlaylistLoader = +var FragmentState = { + NOT_LOADED: 'NOT_LOADED', + APPENDING: 'APPENDING', + PARTIAL: 'PARTIAL', + OK: 'OK' +}; +var fragment_tracker_FragmentTracker = /*#__PURE__*/ function (_EventHandler) { - _inheritsLoose(PlaylistLoader, _EventHandler); + fragment_tracker_inheritsLoose(FragmentTracker, _EventHandler); - /** - * @constructs - * @param {Hls} hls - */ - function PlaylistLoader(hls) { + function FragmentTracker(hls) { var _this; - _this = _EventHandler.call(this, hls, events["default"].MANIFEST_LOADING, events["default"].LEVEL_LOADING, events["default"].AUDIO_TRACK_LOADING, events["default"].SUBTITLE_TRACK_LOADING) || this; - _this.loaders = {}; + _this = _EventHandler.call(this, hls, events["default"].BUFFER_APPENDED, events["default"].FRAG_BUFFERED, events["default"].FRAG_LOADED) || this; + _this.bufferPadding = 0.2; + _this.fragments = Object.create(null); + _this.timeRanges = Object.create(null); + _this.config = hls.config; return _this; } - /** - * @param {PlaylistContextType} type - * @returns {boolean} - */ + var _proto = FragmentTracker.prototype; - PlaylistLoader.canHaveQualityLevels = function canHaveQualityLevels(type) { - return type !== PlaylistContextType.AUDIO_TRACK && type !== PlaylistContextType.SUBTITLE_TRACK; + _proto.destroy = function destroy() { + this.fragments = Object.create(null); + this.timeRanges = Object.create(null); + this.config = null; + event_handler.prototype.destroy.call(this); + + _EventHandler.prototype.destroy.call(this); } /** - * Map context.type to LevelType - * @param {PlaylistLoaderContext} context - * @returns {LevelType} + * Return a Fragment that match the position and levelType. + * If not found any Fragment, return null + * @param {number} position + * @param {LevelType} levelType + * @returns {Fragment|null} */ ; - PlaylistLoader.mapContextToLevelType = function mapContextToLevelType(context) { - var type = context.type; - - switch (type) { - case PlaylistContextType.AUDIO_TRACK: - return PlaylistLevelType.AUDIO; + _proto.getBufferedFrag = function getBufferedFrag(position, levelType) { + var fragments = this.fragments; + var bufferedFrags = Object.keys(fragments).filter(function (key) { + var fragmentEntity = fragments[key]; - case PlaylistContextType.SUBTITLE_TRACK: - return PlaylistLevelType.SUBTITLE; + if (fragmentEntity.body.type !== levelType) { + return false; + } - default: - return PlaylistLevelType.MAIN; - } - }; + if (!fragmentEntity.buffered) { + return false; + } - PlaylistLoader.getResponseUrl = function getResponseUrl(response, context) { - var url = response.url; // responseURL not supported on some browsers (it is used to detect URL redirection) - // data-uri mode also not supported (but no need to detect redirection) + var frag = fragmentEntity.body; + return frag.startPTS <= position && position <= frag.endPTS; + }); - if (url === undefined || url.indexOf('data:') === 0) { - // fallback to initial URL - url = context.url; + if (bufferedFrags.length === 0) { + return null; + } else { + // https://github.com/video-dev/hls.js/pull/1545#discussion_r166229566 + var bufferedFragKey = bufferedFrags.pop(); + return fragments[bufferedFragKey].body; } - - return url; } /** - * Returns defaults or configured loader-type overloads (pLoader and loader config params) - * Default loader is XHRLoader (see utils) - * @param {PlaylistLoaderContext} context - * @returns {Loader} or other compatible configured overload + * Partial fragments effected by coded frame eviction will be removed + * The browser will unload parts of the buffer to free up memory for new buffer data + * Fragments will need to be reloaded when the buffer is freed up, removing partial fragments will allow them to reload(since there might be parts that are still playable) + * @param {String} elementaryStream The elementaryStream of media this is (eg. video/audio) + * @param {TimeRanges} timeRange TimeRange object from a sourceBuffer */ ; - var _proto = PlaylistLoader.prototype; + _proto.detectEvictedFragments = function detectEvictedFragments(elementaryStream, timeRange) { + var _this2 = this; - _proto.createInternalLoader = function createInternalLoader(context) { - var config = this.hls.config; - var PLoader = config.pLoader; - var Loader = config.loader; // TODO(typescript-config): Verify once config is typed that InternalLoader always returns a Loader + var fragmentTimes, time; // Check if any flagged fragments have been unloaded - var InternalLoader = PLoader || Loader; - var loader = new InternalLoader(config); // TODO - Do we really need to assign the instance or if the dep has been lost + Object.keys(this.fragments).forEach(function (key) { + var fragmentEntity = _this2.fragments[key]; - context.loader = loader; - this.loaders[context.type] = loader; - return loader; - }; + if (fragmentEntity.buffered === true) { + var esData = fragmentEntity.range[elementaryStream]; - _proto.getInternalLoader = function getInternalLoader(context) { - return this.loaders[context.type]; - }; + if (esData) { + fragmentTimes = esData.time; - _proto.resetInternalLoader = function resetInternalLoader(contextType) { - if (this.loaders[contextType]) { - delete this.loaders[contextType]; - } + for (var i = 0; i < fragmentTimes.length; i++) { + time = fragmentTimes[i]; + + if (_this2.isTimeBuffered(time.startPTS, time.endPTS, timeRange) === false) { + // Unregister partial fragment as it needs to load again to be reused + _this2.removeFragment(fragmentEntity.body); + + break; + } + } + } + } + }); } /** - * Call `destroy` on all internal loader instances mapped (one per context type) + * Checks if the fragment passed in is loaded in the buffer properly + * Partially loaded fragments will be registered as a partial fragment + * @param {Object} fragment Check the fragment against all sourceBuffers loaded */ ; - _proto.destroyInternalLoaders = function destroyInternalLoaders() { - for (var contextType in this.loaders) { - var loader = this.loaders[contextType]; + _proto.detectPartialFragments = function detectPartialFragments(fragment) { + var _this3 = this; - if (loader) { - loader.destroy(); - } + var fragKey = this.getFragmentKey(fragment); + var fragmentEntity = this.fragments[fragKey]; - this.resetInternalLoader(contextType); + if (fragmentEntity) { + fragmentEntity.buffered = true; + Object.keys(this.timeRanges).forEach(function (elementaryStream) { + if (fragment.hasElementaryStream(elementaryStream)) { + var timeRange = _this3.timeRanges[elementaryStream]; // Check for malformed fragments + // Gaps need to be calculated for each elementaryStream + + fragmentEntity.range[elementaryStream] = _this3.getBufferedTimes(fragment.startPTS, fragment.endPTS, timeRange); + } + }); } }; - _proto.destroy = function destroy() { - this.destroyInternalLoaders(); + _proto.getBufferedTimes = function getBufferedTimes(startPTS, endPTS, timeRange) { + var fragmentTimes = []; + var startTime, endTime; + var fragmentPartial = false; - _EventHandler.prototype.destroy.call(this); - }; + for (var i = 0; i < timeRange.length; i++) { + startTime = timeRange.start(i) - this.bufferPadding; + endTime = timeRange.end(i) + this.bufferPadding; - _proto.onManifestLoading = function onManifestLoading(data) { - this.load({ - url: data.url, - type: PlaylistContextType.MANIFEST, - level: 0, - id: null, - responseType: 'text' - }); - }; + if (startPTS >= startTime && endPTS <= endTime) { + // Fragment is entirely contained in buffer + // No need to check the other timeRange times since it's completely playable + fragmentTimes.push({ + startPTS: Math.max(startPTS, timeRange.start(i)), + endPTS: Math.min(endPTS, timeRange.end(i)) + }); + break; + } else if (startPTS < endTime && endPTS > startTime) { + // Check for intersection with buffer + // Get playable sections of the fragment + fragmentTimes.push({ + startPTS: Math.max(startPTS, timeRange.start(i)), + endPTS: Math.min(endPTS, timeRange.end(i)) + }); + fragmentPartial = true; + } else if (endPTS <= startTime) { + // No need to check the rest of the timeRange as it is in order + break; + } + } - _proto.onLevelLoading = function onLevelLoading(data) { - this.load({ - url: data.url, - type: PlaylistContextType.LEVEL, - level: data.level, - id: data.id, - responseType: 'text' - }); + return { + time: fragmentTimes, + partial: fragmentPartial + }; }; - _proto.onAudioTrackLoading = function onAudioTrackLoading(data) { - this.load({ - url: data.url, - type: PlaylistContextType.AUDIO_TRACK, - level: null, - id: data.id, - responseType: 'text' - }); - }; + _proto.getFragmentKey = function getFragmentKey(fragment) { + return fragment.type + "_" + fragment.level + "_" + fragment.urlId + "_" + fragment.sn; + } + /** + * Gets the partial fragment for a certain time + * @param {Number} time + * @returns {Object} fragment Returns a partial fragment at a time or null if there is no partial fragment + */ + ; - _proto.onSubtitleTrackLoading = function onSubtitleTrackLoading(data) { - this.load({ - url: data.url, - type: PlaylistContextType.SUBTITLE_TRACK, - level: null, - id: data.id, - responseType: 'text' - }); - }; + _proto.getPartialFragment = function getPartialFragment(time) { + var _this4 = this; - _proto.load = function load(context) { - var config = this.hls.config; - logger["logger"].debug("Loading playlist of type " + context.type + ", level: " + context.level + ", id: " + context.id); // Check if a loader for this context already exists + var timePadding, startTime, endTime; + var bestFragment = null; + var bestOverlap = 0; + Object.keys(this.fragments).forEach(function (key) { + var fragmentEntity = _this4.fragments[key]; - var loader = this.getInternalLoader(context); + if (_this4.isPartial(fragmentEntity)) { + startTime = fragmentEntity.body.startPTS - _this4.bufferPadding; + endTime = fragmentEntity.body.endPTS + _this4.bufferPadding; - if (loader) { - var loaderContext = loader.context; + if (time >= startTime && time <= endTime) { + // Use the fragment that has the most padding from start and end time + timePadding = Math.min(time - startTime, endTime - time); - if (loaderContext && loaderContext.url === context.url) { - // same URL can't overlap - logger["logger"].trace('playlist request ongoing'); - return false; + if (bestOverlap <= timePadding) { + bestFragment = fragmentEntity.body; + bestOverlap = timePadding; + } + } + } + }); + return bestFragment; + } + /** + * @param {Object} fragment The fragment to check + * @returns {String} Returns the fragment state when a fragment never loaded or if it partially loaded + */ + ; + + _proto.getState = function getState(fragment) { + var fragKey = this.getFragmentKey(fragment); + var fragmentEntity = this.fragments[fragKey]; + var state = FragmentState.NOT_LOADED; + + if (fragmentEntity !== undefined) { + if (!fragmentEntity.buffered) { + state = FragmentState.APPENDING; + } else if (this.isPartial(fragmentEntity) === true) { + state = FragmentState.PARTIAL; } else { - logger["logger"].warn("aborting previous loader for type: " + context.type); - loader.abort(); + state = FragmentState.OK; } } - var maxRetry; - var timeout; - var retryDelay; - var maxRetryDelay; // apply different configs for retries depending on - // context (manifest, level, audio/subs playlist) - - switch (context.type) { - case PlaylistContextType.MANIFEST: - maxRetry = config.manifestLoadingMaxRetry; - timeout = config.manifestLoadingTimeOut; - retryDelay = config.manifestLoadingRetryDelay; - maxRetryDelay = config.manifestLoadingMaxRetryTimeout; - break; + return state; + }; - case PlaylistContextType.LEVEL: - // Disable internal loader retry logic, since we are managing retries in Level Controller - maxRetry = 0; - maxRetryDelay = 0; - retryDelay = 0; - timeout = config.levelLoadingTimeOut; // TODO Introduce retry settings for audio-track and subtitle-track, it should not use level retry config + _proto.isPartial = function isPartial(fragmentEntity) { + return fragmentEntity.buffered === true && (fragmentEntity.range.video !== undefined && fragmentEntity.range.video.partial === true || fragmentEntity.range.audio !== undefined && fragmentEntity.range.audio.partial === true); + }; - break; + _proto.isTimeBuffered = function isTimeBuffered(startPTS, endPTS, timeRange) { + var startTime, endTime; - default: - maxRetry = config.levelLoadingMaxRetry; - timeout = config.levelLoadingTimeOut; - retryDelay = config.levelLoadingRetryDelay; - maxRetryDelay = config.levelLoadingMaxRetryTimeout; - break; - } + for (var i = 0; i < timeRange.length; i++) { + startTime = timeRange.start(i) - this.bufferPadding; + endTime = timeRange.end(i) + this.bufferPadding; - loader = this.createInternalLoader(context); - var loaderConfig = { - timeout: timeout, - maxRetry: maxRetry, - retryDelay: retryDelay, - maxRetryDelay: maxRetryDelay - }; - var loaderCallbacks = { - onSuccess: this.loadsuccess.bind(this), - onError: this.loaderror.bind(this), - onTimeout: this.loadtimeout.bind(this) - }; - logger["logger"].debug("Calling internal loader delegate for URL: " + context.url); - loader.load(context, loaderConfig, loaderCallbacks); - return true; - }; + if (startPTS >= startTime && endPTS <= endTime) { + return true; + } - _proto.loadsuccess = function loadsuccess(response, stats, context, networkDetails) { - if (networkDetails === void 0) { - networkDetails = null; + if (endPTS <= startTime) { + // No need to check the rest of the timeRange as it is in order + return false; + } } - if (context.isSidxRequest) { - this._handleSidxRequest(response, context); + return false; + } + /** + * Fires when a fragment loading is completed + */ + ; - this._handlePlaylistLoaded(response, stats, context, networkDetails); + _proto.onFragLoaded = function onFragLoaded(e) { + var fragment = e.frag; // don't track initsegment (for which sn is not a number) + // don't track frags used for bitrateTest, they're irrelevant. + if (!Object(number_isFinite["isFiniteNumber"])(fragment.sn) || fragment.bitrateTest) { return; } - this.resetInternalLoader(context.type); + this.fragments[this.getFragmentKey(fragment)] = { + body: fragment, + range: Object.create(null), + buffered: false + }; + } + /** + * Fires when the buffer is updated + */ + ; - if (typeof response.data !== 'string') { - throw new Error('expected responseType of "text" for PlaylistLoader'); - } + _proto.onBufferAppended = function onBufferAppended(e) { + var _this5 = this; - var string = response.data; - stats.tload = performance.now(); // stats.mtime = new Date(target.getResponseHeader('Last-Modified')); - // Validate if it is an M3U8 at all + // Store the latest timeRanges loaded in the buffer + this.timeRanges = e.timeRanges; + Object.keys(this.timeRanges).forEach(function (elementaryStream) { + var timeRange = _this5.timeRanges[elementaryStream]; - if (string.indexOf('#EXTM3U') !== 0) { - this._handleManifestParsingError(response, context, 'no EXTM3U delimiter', networkDetails); + _this5.detectEvictedFragments(elementaryStream, timeRange); + }); + } + /** + * Fires after a fragment has been loaded into the source buffer + */ + ; - return; - } // Check if chunk-list or master. handle empty chunk list case (first EXTINF not signaled, but TARGETDURATION present) + _proto.onFragBuffered = function onFragBuffered(e) { + this.detectPartialFragments(e.frag); + } + /** + * Return true if fragment tracker has the fragment. + * @param {Object} fragment + * @returns {boolean} + */ + ; + + _proto.hasFragment = function hasFragment(fragment) { + var fragKey = this.getFragmentKey(fragment); + return this.fragments[fragKey] !== undefined; + } + /** + * Remove a fragment from fragment tracker until it is loaded again + * @param {Object} fragment The fragment to remove + */ + ; + _proto.removeFragment = function removeFragment(fragment) { + var fragKey = this.getFragmentKey(fragment); + delete this.fragments[fragKey]; + } + /** + * Remove all fragments from fragment tracker. + */ + ; - if (string.indexOf('#EXTINF:') > 0 || string.indexOf('#EXT-X-TARGETDURATION:') > 0) { - this._handleTrackOrLevelPlaylist(response, stats, context, networkDetails); - } else { - this._handleMasterPlaylist(response, stats, context, networkDetails); - } + _proto.removeAllFragments = function removeAllFragments() { + this.fragments = Object.create(null); }; - _proto.loaderror = function loaderror(response, context, networkDetails) { - if (networkDetails === void 0) { - networkDetails = null; - } + return FragmentTracker; +}(event_handler); +// CONCATENATED MODULE: ./src/utils/binary-search.ts +var BinarySearch = { + /** + * Searches for an item in an array which matches a certain condition. + * This requires the condition to only match one item in the array, + * and for the array to be ordered. + * + * @param {Array<T>} list The array to search. + * @param {BinarySearchComparison<T>} comparisonFn + * Called and provided a candidate item as the first argument. + * Should return: + * > -1 if the item should be located at a lower index than the provided item. + * > 1 if the item should be located at a higher index than the provided item. + * > 0 if the item is the item you're looking for. + * + * @return {T | null} The object if it is found or null otherwise. + */ + search: function search(list, comparisonFn) { + var minIndex = 0; + var maxIndex = list.length - 1; + var currentIndex = null; + var currentElement = null; - this._handleNetworkError(context, networkDetails, false, response); - }; + while (minIndex <= maxIndex) { + currentIndex = (minIndex + maxIndex) / 2 | 0; + currentElement = list[currentIndex]; + var comparisonResult = comparisonFn(currentElement); - _proto.loadtimeout = function loadtimeout(stats, context, networkDetails) { - if (networkDetails === void 0) { - networkDetails = null; + if (comparisonResult > 0) { + minIndex = currentIndex + 1; + } else if (comparisonResult < 0) { + maxIndex = currentIndex - 1; + } else { + return currentElement; + } } - this._handleNetworkError(context, networkDetails, true); - } // TODO(typescript-config): networkDetails can currently be a XHR or Fetch impl, - // but with custom loaders it could be generic investigate this further when config is typed - ; - - _proto._handleMasterPlaylist = function _handleMasterPlaylist(response, stats, context, networkDetails) { - var hls = this.hls; - var string = response.data; - var url = PlaylistLoader.getResponseUrl(response, context); - var levels = m3u8_parser_M3U8Parser.parseMasterPlaylist(string, url); + return null; + } +}; +/* harmony default export */ var binary_search = (BinarySearch); +// CONCATENATED MODULE: ./src/utils/buffer-helper.ts +/** + * @module BufferHelper + * + * Providing methods dealing with buffer length retrieval for example. + * + * In general, a helper around HTML5 MediaElement TimeRanges gathered from `buffered` property. + * + * Also @see https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/buffered +*/ +var BufferHelper = +/*#__PURE__*/ +function () { + function BufferHelper() {} - if (!levels.length) { - this._handleManifestParsingError(response, context, 'no level found in manifest', networkDetails); + /** + * Return true if `media`'s buffered include `position` + * @param {Bufferable} media + * @param {number} position + * @returns {boolean} + */ + BufferHelper.isBuffered = function isBuffered(media, position) { + try { + if (media) { + var buffered = media.buffered; - return; - } // multi level playlist, parse level info + for (var i = 0; i < buffered.length; i++) { + if (position >= buffered.start(i) && position <= buffered.end(i)) { + return true; + } + } + } + } catch (error) {// this is to catch + // InvalidStateError: Failed to read the 'buffered' property from 'SourceBuffer': + // This SourceBuffer has been removed from the parent media source + } + return false; + }; - var audioGroups = levels.map(function (level) { - return { - id: level.attrs.AUDIO, - codec: level.audioCodec - }; - }); - var audioTracks = m3u8_parser_M3U8Parser.parseMasterPlaylistMedia(string, url, 'AUDIO', audioGroups); - var subtitles = m3u8_parser_M3U8Parser.parseMasterPlaylistMedia(string, url, 'SUBTITLES'); + BufferHelper.bufferInfo = function bufferInfo(media, pos, maxHoleDuration) { + try { + if (media) { + var vbuffered = media.buffered; + var buffered = []; + var i; - if (audioTracks.length) { - // check if we have found an audio track embedded in main playlist (audio track without URI attribute) - var embeddedAudioFound = false; - audioTracks.forEach(function (audioTrack) { - if (!audioTrack.url) { - embeddedAudioFound = true; + for (i = 0; i < vbuffered.length; i++) { + buffered.push({ + start: vbuffered.start(i), + end: vbuffered.end(i) + }); } - }); // if no embedded audio track defined, but audio codec signaled in quality level, - // we need to signal this main audio track this could happen with playlists with - // alt audio rendition in which quality levels (main) - // contains both audio+video. but with mixed audio track not signaled - if (embeddedAudioFound === false && levels[0].audioCodec && !levels[0].attrs.AUDIO) { - logger["logger"].log('audio codec signaled in quality level, but no embedded audio track signaled, create one'); - audioTracks.unshift({ - type: 'main', - name: 'main', - default: false, - autoselect: false, - forced: false, - id: -1 - }); + return this.bufferedInfo(buffered, pos, maxHoleDuration); } + } catch (error) {// this is to catch + // InvalidStateError: Failed to read the 'buffered' property from 'SourceBuffer': + // This SourceBuffer has been removed from the parent media source } - hls.trigger(events["default"].MANIFEST_LOADED, { - levels: levels, - audioTracks: audioTracks, - subtitles: subtitles, - url: url, - stats: stats, - networkDetails: networkDetails - }); + return { + len: 0, + start: pos, + end: pos, + nextStart: undefined + }; }; - _proto._handleTrackOrLevelPlaylist = function _handleTrackOrLevelPlaylist(response, stats, context, networkDetails) { - var hls = this.hls; - var id = context.id, - level = context.level, - type = context.type; - var url = PlaylistLoader.getResponseUrl(response, context); // if the values are null, they will result in the else conditional - - var levelUrlId = Object(number_isFinite["isFiniteNumber"])(id) ? id : 0; - var levelId = Object(number_isFinite["isFiniteNumber"])(level) ? level : levelUrlId; - var levelType = PlaylistLoader.mapContextToLevelType(context); - var levelDetails = m3u8_parser_M3U8Parser.parseLevelPlaylist(response.data, url, levelId, levelType, levelUrlId); // set stats on level structure - // TODO(jstackhouse): why? mixing concerns, is it just treated as value bag? + BufferHelper.bufferedInfo = function bufferedInfo(buffered, pos, maxHoleDuration) { + // sort on buffer.start/smaller end (IE does not always return sorted buffered range) + buffered.sort(function (a, b) { + var diff = a.start - b.start; - levelDetails.tload = stats.tload; // We have done our first request (Manifest-type) and receive - // not a master playlist but a chunk-list (track/level) - // We fire the manifest-loaded event anyway with the parsed level-details - // by creating a single-level structure for it. + if (diff) { + return diff; + } else { + return b.end - a.end; + } + }); + var buffered2 = []; - if (type === PlaylistContextType.MANIFEST) { - var singleLevel = { - url: url, - details: levelDetails - }; - hls.trigger(events["default"].MANIFEST_LOADED, { - levels: [singleLevel], - audioTracks: [], - url: url, - stats: stats, - networkDetails: networkDetails - }); - } // save parsing time + if (maxHoleDuration) { + // there might be some small holes between buffer time range + // consider that holes smaller than maxHoleDuration are irrelevant and build another + // buffer time range representations that discards those holes + for (var i = 0; i < buffered.length; i++) { + var buf2len = buffered2.length; + if (buf2len) { + var buf2end = buffered2[buf2len - 1].end; // if small hole (value between 0 or maxHoleDuration ) or overlapping (negative) - stats.tparsed = performance.now(); // in case we need SIDX ranges - // return early after calling load for - // the SIDX box. + if (buffered[i].start - buf2end < maxHoleDuration) { + // merge overlapping time ranges + // update lastRange.end only if smaller than item.end + // e.g. [ 1, 15] with [ 2,8] => [ 1,15] (no need to modify lastRange.end) + // whereas [ 1, 8] with [ 2,15] => [ 1,15] ( lastRange should switch from [1,8] to [1,15]) + if (buffered[i].end > buf2end) { + buffered2[buf2len - 1].end = buffered[i].end; + } + } else { + // big hole + buffered2.push(buffered[i]); + } + } else { + // first value + buffered2.push(buffered[i]); + } + } + } else { + buffered2 = buffered; + } - if (levelDetails.needSidxRanges) { - var sidxUrl = levelDetails.initSegment.url; - this.load({ - url: sidxUrl, - isSidxRequest: true, - type: type, - level: level, - levelDetails: levelDetails, - id: id, - rangeStart: 0, - rangeEnd: 2048, - responseType: 'arraybuffer' - }); - return; - } // extend the context with the new levelDetails property + var bufferLen = 0; // bufferStartNext can possibly be undefined based on the conditional logic below + var bufferStartNext; // bufferStart and bufferEnd are buffer boundaries around current video position - context.levelDetails = levelDetails; + var bufferStart = pos; + var bufferEnd = pos; - this._handlePlaylistLoaded(response, stats, context, networkDetails); - }; + for (var _i = 0; _i < buffered2.length; _i++) { + var start = buffered2[_i].start, + end = buffered2[_i].end; // logger.log('buf start/end:' + buffered.start(i) + '/' + buffered.end(i)); - _proto._handleSidxRequest = function _handleSidxRequest(response, context) { - if (typeof response.data === 'string') { - throw new Error('sidx request must be made with responseType of array buffer'); + if (pos + maxHoleDuration >= start && pos < end) { + // play position is inside this buffer TimeRange, retrieve end of buffer position and buffer length + bufferStart = start; + bufferEnd = end; + bufferLen = bufferEnd - pos; + } else if (pos + maxHoleDuration < start) { + bufferStartNext = start; + break; + } } - var sidxInfo = mp4demuxer["default"].parseSegmentIndex(new Uint8Array(response.data)); // if provided fragment does not contain sidx, early return + return { + len: bufferLen, + start: bufferStart, + end: bufferEnd, + nextStart: bufferStartNext + }; + } // Trying to find buffered position within `maxFragLookUpTolerance`. Returns same position if + // current time is already inside of buffered range or there is no buffered fragment + // within `maxFragLookUpTolerance`. + ; - if (!sidxInfo) { - return; - } + BufferHelper.getBufferedPosWithinTolerance = function getBufferedPosWithinTolerance(media, pos, maxFragLookUpTolerance) { + var currentTime = media ? media.currentTime : undefined; // No need to seek if current playback position is already inside buffered range - var sidxReferences = sidxInfo.references; - var levelDetails = context.levelDetails; - sidxReferences.forEach(function (segmentRef, index) { - var segRefInfo = segmentRef.info; + if (BufferHelper.isBuffered(media, currentTime)) { + return pos; + } - if (!levelDetails) { - return; - } + var buffered = media.buffered; - var frag = levelDetails.fragments[index]; + for (var i = 0; i < buffered.length; i++) { + var start = buffered.start(i); // Returns the start position of buffered range if `currentTime` is within `maxFragLookUpTolerance` range - if (frag.byteRange.length === 0) { - frag.setByteRange(String(1 + segRefInfo.end - segRefInfo.start) + '@' + String(segRefInfo.start)); + if (start > currentTime && start < currentTime + maxFragLookUpTolerance) { + return Math.ceil(start * 10) / 10; } - }); - - if (levelDetails) { - levelDetails.initSegment.setByteRange(String(sidxInfo.moovEndOffset) + '@0'); } - }; - _proto._handleManifestParsingError = function _handleManifestParsingError(response, context, reason, networkDetails) { - this.hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].NETWORK_ERROR, - details: errors["ErrorDetails"].MANIFEST_PARSING_ERROR, - fatal: true, - url: response.url, - reason: reason, - networkDetails: networkDetails - }); + return pos; }; - _proto._handleNetworkError = function _handleNetworkError(context, networkDetails, timeout, response) { - if (timeout === void 0) { - timeout = false; - } + return BufferHelper; +}(); +// EXTERNAL MODULE: ./node_modules/eventemitter3/index.js +var eventemitter3 = __webpack_require__("./node_modules/eventemitter3/index.js"); - if (response === void 0) { - response = null; - } +// EXTERNAL MODULE: ./node_modules/webworkify-webpack/index.js +var webworkify_webpack = __webpack_require__("./node_modules/webworkify-webpack/index.js"); - logger["logger"].info("A network error occured while loading a " + context.type + "-type playlist"); - var details; - var fatal; - var loader = this.getInternalLoader(context); +// EXTERNAL MODULE: ./src/demux/demuxer-inline.js + 8 modules +var demuxer_inline = __webpack_require__("./src/demux/demuxer-inline.js"); - switch (context.type) { - case PlaylistContextType.MANIFEST: - details = timeout ? errors["ErrorDetails"].MANIFEST_LOAD_TIMEOUT : errors["ErrorDetails"].MANIFEST_LOAD_ERROR; - fatal = true; - break; +// CONCATENATED MODULE: ./src/utils/mediasource-helper.ts +/** + * MediaSource helper + */ +function getMediaSource() { + return window.MediaSource || window.WebKitMediaSource; +} +// EXTERNAL MODULE: ./src/utils/get-self-scope.js +var get_self_scope = __webpack_require__("./src/utils/get-self-scope.js"); - case PlaylistContextType.LEVEL: - details = timeout ? errors["ErrorDetails"].LEVEL_LOAD_TIMEOUT : errors["ErrorDetails"].LEVEL_LOAD_ERROR; - fatal = false; - break; +// CONCATENATED MODULE: ./src/observer.ts +function observer_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } - case PlaylistContextType.AUDIO_TRACK: - details = timeout ? errors["ErrorDetails"].AUDIO_TRACK_LOAD_TIMEOUT : errors["ErrorDetails"].AUDIO_TRACK_LOAD_ERROR; - fatal = false; - break; - default: - // details = ...? - fatal = false; - } +/** + * Simple adapter sub-class of Nodejs-like EventEmitter. + */ - if (loader) { - loader.abort(); - this.resetInternalLoader(context.type); - } // TODO(typescript-events): when error events are handled, type this +var Observer = +/*#__PURE__*/ +function (_EventEmitter) { + observer_inheritsLoose(Observer, _EventEmitter); + function Observer() { + return _EventEmitter.apply(this, arguments) || this; + } - var errorData = { - type: errors["ErrorTypes"].NETWORK_ERROR, - details: details, - fatal: fatal, - url: context.url, - loader: loader, - context: context, - networkDetails: networkDetails - }; + var _proto = Observer.prototype; - if (response) { - errorData.response = response; + /** + * We simply want to pass along the event-name itself + * in every call to a handler, which is the purpose of our `trigger` method + * extending the standard API. + */ + _proto.trigger = function trigger(event) { + for (var _len = arguments.length, data = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { + data[_key - 1] = arguments[_key]; } - this.hls.trigger(events["default"].ERROR, errorData); + this.emit.apply(this, [event, event].concat(data)); }; - _proto._handlePlaylistLoaded = function _handlePlaylistLoaded(response, stats, context, networkDetails) { - var type = context.type, - level = context.level, - id = context.id, - levelDetails = context.levelDetails; + return Observer; +}(eventemitter3["EventEmitter"]); +// CONCATENATED MODULE: ./src/demux/demuxer.js - if (!levelDetails || !levelDetails.targetduration) { - this._handleManifestParsingError(response, context, 'invalid target duration', networkDetails); - return; - } - var canHaveLevels = PlaylistLoader.canHaveQualityLevels(context.type); - if (canHaveLevels) { - this.hls.trigger(events["default"].LEVEL_LOADED, { - details: levelDetails, - level: level || 0, - id: id || 0, - stats: stats, - networkDetails: networkDetails - }); - } else { - switch (type) { - case PlaylistContextType.AUDIO_TRACK: - this.hls.trigger(events["default"].AUDIO_TRACK_LOADED, { - details: levelDetails, - id: id, - stats: stats, - networkDetails: networkDetails - }); - break; - case PlaylistContextType.SUBTITLE_TRACK: - this.hls.trigger(events["default"].SUBTITLE_TRACK_LOADED, { - details: levelDetails, - id: id, - stats: stats, - networkDetails: networkDetails - }); - break; - } - } - }; - return PlaylistLoader; -}(event_handler); -/* harmony default export */ var playlist_loader = (playlist_loader_PlaylistLoader); -// CONCATENATED MODULE: ./src/loader/fragment-loader.js + // see https://stackoverflow.com/a/11237259/589493 -function fragment_loader_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } +var global = Object(get_self_scope["getSelfScope"])(); // safeguard for code that might run both on worker and main thread -/* - * Fragment Loader -*/ +var demuxer_MediaSource = getMediaSource() || { + isTypeSupported: function isTypeSupported() { + return false; + } +}; +var demuxer_Demuxer = +/*#__PURE__*/ +function () { + function Demuxer(hls, id) { + var _this = this; + this.hls = hls; + this.id = id; + var observer = this.observer = new Observer(); + var config = hls.config; + var forwardMessage = function forwardMessage(ev, data) { + data = data || {}; + data.frag = _this.frag; + data.id = _this.id; + hls.trigger(ev, data); + }; // forward events to main thread -var fragment_loader_FragmentLoader = -/*#__PURE__*/ -function (_EventHandler) { - fragment_loader_inheritsLoose(FragmentLoader, _EventHandler); + observer.on(events["default"].FRAG_DECRYPTED, forwardMessage); + observer.on(events["default"].FRAG_PARSING_INIT_SEGMENT, forwardMessage); + observer.on(events["default"].FRAG_PARSING_DATA, forwardMessage); + observer.on(events["default"].FRAG_PARSED, forwardMessage); + observer.on(events["default"].ERROR, forwardMessage); + observer.on(events["default"].FRAG_PARSING_METADATA, forwardMessage); + observer.on(events["default"].FRAG_PARSING_USERDATA, forwardMessage); + observer.on(events["default"].INIT_PTS_FOUND, forwardMessage); + var typeSupported = { + mp4: demuxer_MediaSource.isTypeSupported('video/mp4'), + mpeg: demuxer_MediaSource.isTypeSupported('audio/mpeg'), + mp3: demuxer_MediaSource.isTypeSupported('audio/mp4; codecs="mp3"') + }; // navigator.vendor is not always available in Web Worker + // refer to https://developer.mozilla.org/en-US/docs/Web/API/WorkerGlobalScope/navigator - function FragmentLoader(hls) { - var _this; + var vendor = navigator.vendor; - _this = _EventHandler.call(this, hls, events["default"].FRAG_LOADING) || this; - _this.loaders = {}; - return _this; - } + if (config.enableWorker && typeof Worker !== 'undefined') { + logger["logger"].log('demuxing in webworker'); + var w; - var _proto = FragmentLoader.prototype; + try { + w = this.w = webworkify_webpack(/*require.resolve*/(/*! ../demux/demuxer-worker.js */ "./src/demux/demuxer-worker.js")); + this.onwmsg = this.onWorkerMessage.bind(this); + w.addEventListener('message', this.onwmsg); - _proto.destroy = function destroy() { - var loaders = this.loaders; + w.onerror = function (event) { + hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].OTHER_ERROR, + details: errors["ErrorDetails"].INTERNAL_EXCEPTION, + fatal: true, + event: 'demuxerWorker', + err: { + message: event.message + ' (' + event.filename + ':' + event.lineno + ')' + } + }); + }; - for (var loaderName in loaders) { - var loader = loaders[loaderName]; + w.postMessage({ + cmd: 'init', + typeSupported: typeSupported, + vendor: vendor, + id: id, + config: JSON.stringify(config) + }); + } catch (err) { + logger["logger"].warn('Error in worker:', err); + logger["logger"].error('Error while initializing DemuxerWorker, fallback on DemuxerInline'); - if (loader) { - loader.destroy(); + if (w) { + // revoke the Object URL that was used to create demuxer worker, so as not to leak it + global.URL.revokeObjectURL(w.objectURL); + } + + this.demuxer = new demuxer_inline["default"](observer, typeSupported, config, vendor); + this.w = undefined; } + } else { + this.demuxer = new demuxer_inline["default"](observer, typeSupported, config, vendor); } + } - this.loaders = {}; - - _EventHandler.prototype.destroy.call(this); - }; + var _proto = Demuxer.prototype; - _proto.onFragLoading = function onFragLoading(data) { - var frag = data.frag, - type = frag.type, - loaders = this.loaders, - config = this.hls.config, - FragmentILoader = config.fLoader, - DefaultILoader = config.loader; // reset fragment state + _proto.destroy = function destroy() { + var w = this.w; - frag.loaded = 0; - var loader = loaders[type]; + if (w) { + w.removeEventListener('message', this.onwmsg); + w.terminate(); + this.w = null; + } else { + var demuxer = this.demuxer; - if (loader) { - logger["logger"].warn("abort previous fragment loader for type: " + type); - loader.abort(); + if (demuxer) { + demuxer.destroy(); + this.demuxer = null; + } } - loader = loaders[type] = frag.loader = config.fLoader ? new FragmentILoader(config) : new DefaultILoader(config); - var loaderContext, loaderConfig, loaderCallbacks; - loaderContext = { - url: frag.url, - frag: frag, - responseType: 'arraybuffer', - progressData: false - }; - var start = frag.byteRangeStartOffset, - end = frag.byteRangeEndOffset; + var observer = this.observer; - if (Object(number_isFinite["isFiniteNumber"])(start) && Object(number_isFinite["isFiniteNumber"])(end)) { - loaderContext.rangeStart = start; - loaderContext.rangeEnd = end; + if (observer) { + observer.removeAllListeners(); + this.observer = null; } - - loaderConfig = { - timeout: config.fragLoadingTimeOut, - maxRetry: 0, - retryDelay: 0, - maxRetryDelay: config.fragLoadingMaxRetryTimeout - }; - loaderCallbacks = { - onSuccess: this.loadsuccess.bind(this), - onError: this.loaderror.bind(this), - onTimeout: this.loadtimeout.bind(this), - onProgress: this.loadprogress.bind(this) - }; - loader.load(loaderContext, loaderConfig, loaderCallbacks); }; - _proto.loadsuccess = function loadsuccess(response, stats, context, networkDetails) { - if (networkDetails === void 0) { - networkDetails = null; - } - - var payload = response.data, - frag = context.frag; // detach fragment loader on load success - - frag.loader = undefined; - this.loaders[frag.type] = undefined; - this.hls.trigger(events["default"].FRAG_LOADED, { - payload: payload, - frag: frag, - stats: stats, - networkDetails: networkDetails - }); - }; + _proto.push = function push(data, initSegment, audioCodec, videoCodec, frag, duration, accurateTimeOffset, defaultInitPTS) { + var w = this.w; + var timeOffset = Object(number_isFinite["isFiniteNumber"])(frag.startPTS) ? frag.startPTS : frag.start; + var decryptdata = frag.decryptdata; + var lastFrag = this.frag; + var discontinuity = !(lastFrag && frag.cc === lastFrag.cc); + var trackSwitch = !(lastFrag && frag.level === lastFrag.level); + var nextSN = lastFrag && frag.sn === lastFrag.sn + 1; + var contiguous = !trackSwitch && nextSN; - _proto.loaderror = function loaderror(response, context, networkDetails) { - if (networkDetails === void 0) { - networkDetails = null; + if (discontinuity) { + logger["logger"].log(this.id + ":discontinuity detected"); } - var frag = context.frag; - var loader = frag.loader; - - if (loader) { - loader.abort(); + if (trackSwitch) { + logger["logger"].log(this.id + ":switch detected"); } - this.loaders[frag.type] = undefined; - this.hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].NETWORK_ERROR, - details: errors["ErrorDetails"].FRAG_LOAD_ERROR, - fatal: false, - frag: context.frag, - response: response, - networkDetails: networkDetails - }); - }; + this.frag = frag; - _proto.loadtimeout = function loadtimeout(stats, context, networkDetails) { - if (networkDetails === void 0) { - networkDetails = null; + if (w) { + // post fragment payload as transferable objects for ArrayBuffer (no copy) + w.postMessage({ + cmd: 'demux', + data: data, + decryptdata: decryptdata, + initSegment: initSegment, + audioCodec: audioCodec, + videoCodec: videoCodec, + timeOffset: timeOffset, + discontinuity: discontinuity, + trackSwitch: trackSwitch, + contiguous: contiguous, + duration: duration, + accurateTimeOffset: accurateTimeOffset, + defaultInitPTS: defaultInitPTS + }, data instanceof ArrayBuffer ? [data] : []); + } else { + var demuxer = this.demuxer; + + if (demuxer) { + demuxer.push(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS); + } } + }; - var frag = context.frag; - var loader = frag.loader; + _proto.onWorkerMessage = function onWorkerMessage(ev) { + var data = ev.data, + hls = this.hls; - if (loader) { - loader.abort(); - } + switch (data.event) { + case 'init': + // revoke the Object URL that was used to create demuxer worker, so as not to leak it + global.URL.revokeObjectURL(this.w.objectURL); + break; + // special case for FRAG_PARSING_DATA: data1 and data2 are transferable objects - this.loaders[frag.type] = undefined; - this.hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].NETWORK_ERROR, - details: errors["ErrorDetails"].FRAG_LOAD_TIMEOUT, - fatal: false, - frag: context.frag, - networkDetails: networkDetails - }); - } // data will be used for progressive parsing - ; + case events["default"].FRAG_PARSING_DATA: + data.data.data1 = new Uint8Array(data.data1); - _proto.loadprogress = function loadprogress(stats, context, data, networkDetails) { - if (networkDetails === void 0) { - networkDetails = null; - } + if (data.data2) { + data.data.data2 = new Uint8Array(data.data2); + } - // jshint ignore:line - var frag = context.frag; - frag.loaded = stats.loaded; - this.hls.trigger(events["default"].FRAG_LOAD_PROGRESS, { - frag: frag, - stats: stats, - networkDetails: networkDetails - }); + /* falls through */ + + default: + data.data = data.data || {}; + data.data.frag = this.frag; + data.data.id = this.id; + hls.trigger(data.event, data.data); + break; + } }; - return FragmentLoader; -}(event_handler); + return Demuxer; +}(); -/* harmony default export */ var fragment_loader = (fragment_loader_FragmentLoader); -// CONCATENATED MODULE: ./src/loader/key-loader.ts -function key_loader_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } +/* harmony default export */ var demux_demuxer = (demuxer_Demuxer); +// CONCATENATED MODULE: ./src/controller/level-helper.js -/* - * Decrypt key Loader -*/ +/** + * @module LevelHelper + * + * Providing methods dealing with playlist sliding and drift + * + * TODO: Create an actual `Level` class/model that deals with all this logic in an object-oriented-manner. + * + * */ + +function addGroupId(level, type, id) { + switch (type) { + case 'audio': + if (!level.audioGroupIds) { + level.audioGroupIds = []; + } -var key_loader_KeyLoader = -/*#__PURE__*/ -function (_EventHandler) { - key_loader_inheritsLoose(KeyLoader, _EventHandler); + level.audioGroupIds.push(id); + break; - function KeyLoader(hls) { - var _this; + case 'text': + if (!level.textGroupIds) { + level.textGroupIds = []; + } - _this = _EventHandler.call(this, hls, events["default"].KEY_LOADING) || this; - _this.loaders = {}; - _this.decryptkey = null; - _this.decrypturl = null; - return _this; + level.textGroupIds.push(id); + break; } +} +function updatePTS(fragments, fromIdx, toIdx) { + var fragFrom = fragments[fromIdx], + fragTo = fragments[toIdx], + fragToPTS = fragTo.startPTS; // if we know startPTS[toIdx] - var _proto = KeyLoader.prototype; + if (Object(number_isFinite["isFiniteNumber"])(fragToPTS)) { + // update fragment duration. + // it helps to fix drifts between playlist reported duration and fragment real duration + if (toIdx > fromIdx) { + fragFrom.duration = fragToPTS - fragFrom.start; - _proto.destroy = function destroy() { - for (var loaderName in this.loaders) { - var loader = this.loaders[loaderName]; + if (fragFrom.duration < 0) { + logger["logger"].warn("negative duration computed for frag " + fragFrom.sn + ",level " + fragFrom.level + ", there should be some duration drift between playlist and fragment!"); + } + } else { + fragTo.duration = fragFrom.start - fragToPTS; - if (loader) { - loader.destroy(); + if (fragTo.duration < 0) { + logger["logger"].warn("negative duration computed for frag " + fragTo.sn + ",level " + fragTo.level + ", there should be some duration drift between playlist and fragment!"); } } + } else { + // we dont know startPTS[toIdx] + if (toIdx > fromIdx) { + fragTo.start = fragFrom.start + fragFrom.duration; + } else { + fragTo.start = Math.max(fragFrom.start - fragTo.duration, 0); + } + } +} +function updateFragPTSDTS(details, frag, startPTS, endPTS, startDTS, endDTS) { + // update frag PTS/DTS + var maxStartPTS = startPTS; - this.loaders = {}; - - _EventHandler.prototype.destroy.call(this); - }; + if (Object(number_isFinite["isFiniteNumber"])(frag.startPTS)) { + // delta PTS between audio and video + var deltaPTS = Math.abs(frag.startPTS - startPTS); - _proto.onKeyLoading = function onKeyLoading(data) { - var frag = data.frag; - var type = frag.type; - var loader = this.loaders[type]; + if (!Object(number_isFinite["isFiniteNumber"])(frag.deltaPTS)) { + frag.deltaPTS = deltaPTS; + } else { + frag.deltaPTS = Math.max(deltaPTS, frag.deltaPTS); + } - if (!frag.decryptdata) { - logger["logger"].warn('Missing decryption data on fragment in onKeyLoading'); - return; - } // Load the key if the uri is different from previous one, or if the decrypt key has not yet been retrieved + maxStartPTS = Math.max(startPTS, frag.startPTS); + startPTS = Math.min(startPTS, frag.startPTS); + endPTS = Math.max(endPTS, frag.endPTS); + startDTS = Math.min(startDTS, frag.startDTS); + endDTS = Math.max(endDTS, frag.endDTS); + } + var drift = startPTS - frag.start; + frag.start = frag.startPTS = startPTS; + frag.maxStartPTS = maxStartPTS; + frag.endPTS = endPTS; + frag.startDTS = startDTS; + frag.endDTS = endDTS; + frag.duration = endPTS - startPTS; + var sn = frag.sn; // exit if sn out of range - var uri = frag.decryptdata.uri; + if (!details || sn < details.startSN || sn > details.endSN) { + return 0; + } - if (uri !== this.decrypturl || this.decryptkey === null) { - var config = this.hls.config; + var fragIdx, fragments, i; + fragIdx = sn - details.startSN; + fragments = details.fragments; // update frag reference in fragments array + // rationale is that fragments array might not contain this frag object. + // this will happen if playlist has been refreshed between frag loading and call to updateFragPTSDTS() + // if we don't update frag, we won't be able to propagate PTS info on the playlist + // resulting in invalid sliding computation - if (loader) { - logger["logger"].warn("abort previous key loader for type:" + type); - loader.abort(); - } + fragments[fragIdx] = frag; // adjust fragment PTS/duration from seqnum-1 to frag 0 - if (!uri) { - logger["logger"].warn('key uri is falsy'); - return; - } + for (i = fragIdx; i > 0; i--) { + updatePTS(fragments, i, i - 1); + } // adjust fragment PTS/duration from seqnum to last frag - frag.loader = this.loaders[type] = new config.loader(config); - this.decrypturl = uri; - this.decryptkey = null; - var loaderContext = { - url: uri, - frag: frag, - responseType: 'arraybuffer' - }; // maxRetry is 0 so that instead of retrying the same key on the same variant multiple times, - // key-loader will trigger an error and rely on stream-controller to handle retry logic. - // this will also align retry logic with fragment-loader - var loaderConfig = { - timeout: config.fragLoadingTimeOut, - maxRetry: 0, - retryDelay: config.fragLoadingRetryDelay, - maxRetryDelay: config.fragLoadingMaxRetryTimeout - }; - var loaderCallbacks = { - onSuccess: this.loadsuccess.bind(this), - onError: this.loaderror.bind(this), - onTimeout: this.loadtimeout.bind(this) - }; - frag.loader.load(loaderContext, loaderConfig, loaderCallbacks); - } else if (this.decryptkey) { - // Return the key if it's already been loaded - frag.decryptdata.key = this.decryptkey; - this.hls.trigger(events["default"].KEY_LOADED, { - frag: frag - }); - } - }; + for (i = fragIdx; i < fragments.length - 1; i++) { + updatePTS(fragments, i, i + 1); + } - _proto.loadsuccess = function loadsuccess(response, stats, context) { - var frag = context.frag; + details.PTSKnown = true; + return drift; +} +function mergeDetails(oldDetails, newDetails) { + // potentially retrieve cached initsegment + if (newDetails.initSegment && oldDetails.initSegment) { + newDetails.initSegment = oldDetails.initSegment; + } // check if old/new playlists have fragments in common + // loop through overlapping SN and update startPTS , cc, and duration if any found - if (!frag.decryptdata) { - logger["logger"].error('after key load, decryptdata unset'); - return; - } - this.decryptkey = frag.decryptdata.key = new Uint8Array(response.data); // detach fragment loader on load success + var ccOffset = 0; + var PTSFrag; + mapFragmentIntersection(oldDetails, newDetails, function (oldFrag, newFrag) { + ccOffset = oldFrag.cc - newFrag.cc; - frag.loader = undefined; - delete this.loaders[frag.type]; - this.hls.trigger(events["default"].KEY_LOADED, { - frag: frag - }); - }; + if (Object(number_isFinite["isFiniteNumber"])(oldFrag.startPTS)) { + newFrag.start = newFrag.startPTS = oldFrag.startPTS; + newFrag.endPTS = oldFrag.endPTS; + newFrag.duration = oldFrag.duration; + newFrag.backtracked = oldFrag.backtracked; + newFrag.dropped = oldFrag.dropped; + PTSFrag = newFrag; + } // PTS is known when there are overlapping segments - _proto.loaderror = function loaderror(response, context) { - var frag = context.frag; - var loader = frag.loader; - if (loader) { - loader.abort(); - } + newDetails.PTSKnown = true; + }); - delete this.loaders[frag.type]; - this.hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].NETWORK_ERROR, - details: errors["ErrorDetails"].KEY_LOAD_ERROR, - fatal: false, - frag: frag, - response: response - }); - }; + if (!newDetails.PTSKnown) { + return; + } - _proto.loadtimeout = function loadtimeout(stats, context) { - var frag = context.frag; - var loader = frag.loader; + if (ccOffset) { + logger["logger"].log('discontinuity sliding from playlist, take drift into account'); + var newFragments = newDetails.fragments; - if (loader) { - loader.abort(); + for (var i = 0; i < newFragments.length; i++) { + newFragments[i].cc += ccOffset; } + } // if at least one fragment contains PTS info, recompute PTS information for all fragments - delete this.loaders[frag.type]; - this.hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].NETWORK_ERROR, - details: errors["ErrorDetails"].KEY_LOAD_TIMEOUT, - fatal: false, - frag: frag - }); - }; - return KeyLoader; -}(event_handler); + if (PTSFrag) { + updateFragPTSDTS(newDetails, PTSFrag, PTSFrag.startPTS, PTSFrag.endPTS, PTSFrag.startDTS, PTSFrag.endDTS); + } else { + // ensure that delta is within oldFragments range + // also adjust sliding in case delta is 0 (we could have old=[50-60] and new=old=[50-61]) + // in that case we also need to adjust start offset of all fragments + adjustSliding(oldDetails, newDetails); + } // if we are here, it means we have fragments overlapping between + // old and new level. reliable PTS info is thus relying on old level -/* harmony default export */ var key_loader = (key_loader_KeyLoader); -// CONCATENATED MODULE: ./src/controller/fragment-tracker.js + newDetails.PTSKnown = oldDetails.PTSKnown; +} +function mergeSubtitlePlaylists(oldPlaylist, newPlaylist, referenceStart) { + if (referenceStart === void 0) { + referenceStart = 0; + } -function fragment_tracker_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } + var lastIndex = -1; + mapFragmentIntersection(oldPlaylist, newPlaylist, function (oldFrag, newFrag, index) { + newFrag.start = oldFrag.start; + lastIndex = index; + }); + var frags = newPlaylist.fragments; + if (lastIndex < 0) { + frags.forEach(function (frag) { + frag.start += referenceStart; + }); + return; + } + for (var i = lastIndex + 1; i < frags.length; i++) { + frags[i].start = frags[i - 1].start + frags[i - 1].duration; + } +} +function mapFragmentIntersection(oldPlaylist, newPlaylist, intersectionFn) { + if (!oldPlaylist || !newPlaylist) { + return; + } -var FragmentState = { - NOT_LOADED: 'NOT_LOADED', - APPENDING: 'APPENDING', - PARTIAL: 'PARTIAL', - OK: 'OK' -}; -var fragment_tracker_FragmentTracker = -/*#__PURE__*/ -function (_EventHandler) { - fragment_tracker_inheritsLoose(FragmentTracker, _EventHandler); + var start = Math.max(oldPlaylist.startSN, newPlaylist.startSN) - newPlaylist.startSN; + var end = Math.min(oldPlaylist.endSN, newPlaylist.endSN) - newPlaylist.startSN; + var delta = newPlaylist.startSN - oldPlaylist.startSN; - function FragmentTracker(hls) { - var _this; + for (var i = start; i <= end; i++) { + var oldFrag = oldPlaylist.fragments[delta + i]; + var newFrag = newPlaylist.fragments[i]; - _this = _EventHandler.call(this, hls, events["default"].BUFFER_APPENDED, events["default"].FRAG_BUFFERED, events["default"].FRAG_LOADED) || this; - _this.bufferPadding = 0.2; - _this.fragments = Object.create(null); - _this.timeRanges = Object.create(null); - _this.config = hls.config; - return _this; - } + if (!oldFrag || !newFrag) { + break; + } - var _proto = FragmentTracker.prototype; + intersectionFn(oldFrag, newFrag, i); + } +} +function adjustSliding(oldPlaylist, newPlaylist) { + var delta = newPlaylist.startSN - oldPlaylist.startSN; + var oldFragments = oldPlaylist.fragments; + var newFragments = newPlaylist.fragments; - _proto.destroy = function destroy() { - this.fragments = Object.create(null); - this.timeRanges = Object.create(null); - this.config = null; - event_handler.prototype.destroy.call(this); + if (delta < 0 || delta > oldFragments.length) { + return; + } - _EventHandler.prototype.destroy.call(this); + for (var i = 0; i < newFragments.length; i++) { + newFragments[i].start += oldFragments[delta].start; } - /** - * Return a Fragment that match the position and levelType. - * If not found any Fragment, return null - * @param {number} position - * @param {LevelType} levelType - * @returns {Fragment|null} - */ - ; +} +function computeReloadInterval(currentPlaylist, newPlaylist, lastRequestTime) { + var reloadInterval = 1000 * (newPlaylist.averagetargetduration ? newPlaylist.averagetargetduration : newPlaylist.targetduration); + var minReloadInterval = reloadInterval / 2; - _proto.getBufferedFrag = function getBufferedFrag(position, levelType) { - var fragments = this.fragments; - var bufferedFrags = Object.keys(fragments).filter(function (key) { - var fragmentEntity = fragments[key]; + if (currentPlaylist && newPlaylist.endSN === currentPlaylist.endSN) { + // follow HLS Spec, If the client reloads a Playlist file and finds that it has not + // changed then it MUST wait for a period of one-half the target + // duration before retrying. + reloadInterval = minReloadInterval; + } - if (fragmentEntity.body.type !== levelType) { - return false; - } + if (lastRequestTime) { + reloadInterval = Math.max(minReloadInterval, reloadInterval - (window.performance.now() - lastRequestTime)); + } // in any case, don't reload more than half of target duration - if (!fragmentEntity.buffered) { - return false; - } - var frag = fragmentEntity.body; - return frag.startPTS <= position && position <= frag.endPTS; - }); + return Math.round(reloadInterval); +} +// CONCATENATED MODULE: ./src/utils/time-ranges.ts +/** + * TimeRanges to string helper + */ +var TimeRanges = { + toString: function toString(r) { + var log = ''; + var len = r.length; - if (bufferedFrags.length === 0) { - return null; - } else { - // https://github.com/video-dev/hls.js/pull/1545#discussion_r166229566 - var bufferedFragKey = bufferedFrags.pop(); - return fragments[bufferedFragKey].body; + for (var i = 0; i < len; i++) { + log += '[' + r.start(i).toFixed(3) + ',' + r.end(i).toFixed(3) + ']'; } - } - /** - * Partial fragments effected by coded frame eviction will be removed - * The browser will unload parts of the buffer to free up memory for new buffer data - * Fragments will need to be reloaded when the buffer is freed up, removing partial fragments will allow them to reload(since there might be parts that are still playable) - * @param {String} elementaryStream The elementaryStream of media this is (eg. video/audio) - * @param {TimeRanges} timeRange TimeRange object from a sourceBuffer - */ - ; - - _proto.detectEvictedFragments = function detectEvictedFragments(elementaryStream, timeRange) { - var _this2 = this; - - var fragmentTimes, time; // Check if any flagged fragments have been unloaded - Object.keys(this.fragments).forEach(function (key) { - var fragmentEntity = _this2.fragments[key]; + return log; + } +}; +/* harmony default export */ var time_ranges = (TimeRanges); +// CONCATENATED MODULE: ./src/utils/discontinuities.js - if (fragmentEntity.buffered === true) { - var esData = fragmentEntity.range[elementaryStream]; - if (esData) { - fragmentTimes = esData.time; - for (var i = 0; i < fragmentTimes.length; i++) { - time = fragmentTimes[i]; +function findFirstFragWithCC(fragments, cc) { + var firstFrag = null; - if (_this2.isTimeBuffered(time.startPTS, time.endPTS, timeRange) === false) { - // Unregister partial fragment as it needs to load again to be reused - _this2.removeFragment(fragmentEntity.body); + for (var i = 0; i < fragments.length; i += 1) { + var currentFrag = fragments[i]; - break; - } - } - } - } - }); + if (currentFrag && currentFrag.cc === cc) { + firstFrag = currentFrag; + break; + } } - /** - * Checks if the fragment passed in is loaded in the buffer properly - * Partially loaded fragments will be registered as a partial fragment - * @param {Object} fragment Check the fragment against all sourceBuffers loaded - */ - ; - _proto.detectPartialFragments = function detectPartialFragments(fragment) { - var _this3 = this; + return firstFrag; +} +function findFragWithCC(fragments, CC) { + return binary_search.search(fragments, function (candidate) { + if (candidate.cc < CC) { + return 1; + } else if (candidate.cc > CC) { + return -1; + } else { + return 0; + } + }); +} +function shouldAlignOnDiscontinuities(lastFrag, lastLevel, details) { + var shouldAlign = false; - var fragKey = this.getFragmentKey(fragment); - var fragmentEntity = this.fragments[fragKey]; + if (lastLevel && lastLevel.details && details) { + if (details.endCC > details.startCC || lastFrag && lastFrag.cc < details.startCC) { + shouldAlign = true; + } + } - if (fragmentEntity) { - fragmentEntity.buffered = true; - Object.keys(this.timeRanges).forEach(function (elementaryStream) { - if (fragment.hasElementaryStream(elementaryStream)) { - var timeRange = _this3.timeRanges[elementaryStream]; // Check for malformed fragments - // Gaps need to be calculated for each elementaryStream + return shouldAlign; +} // Find the first frag in the previous level which matches the CC of the first frag of the new level - fragmentEntity.range[elementaryStream] = _this3.getBufferedTimes(fragment.startPTS, fragment.endPTS, timeRange); - } - }); - } - }; +function findDiscontinuousReferenceFrag(prevDetails, curDetails) { + var prevFrags = prevDetails.fragments; + var curFrags = curDetails.fragments; - _proto.getBufferedTimes = function getBufferedTimes(startPTS, endPTS, timeRange) { - var fragmentTimes = []; - var startTime, endTime; - var fragmentPartial = false; + if (!curFrags.length || !prevFrags.length) { + logger["logger"].log('No fragments to align'); + return; + } - for (var i = 0; i < timeRange.length; i++) { - startTime = timeRange.start(i) - this.bufferPadding; - endTime = timeRange.end(i) + this.bufferPadding; + var prevStartFrag = findFirstFragWithCC(prevFrags, curFrags[0].cc); - if (startPTS >= startTime && endPTS <= endTime) { - // Fragment is entirely contained in buffer - // No need to check the other timeRange times since it's completely playable - fragmentTimes.push({ - startPTS: Math.max(startPTS, timeRange.start(i)), - endPTS: Math.min(endPTS, timeRange.end(i)) - }); - break; - } else if (startPTS < endTime && endPTS > startTime) { - // Check for intersection with buffer - // Get playable sections of the fragment - fragmentTimes.push({ - startPTS: Math.max(startPTS, timeRange.start(i)), - endPTS: Math.min(endPTS, timeRange.end(i)) - }); - fragmentPartial = true; - } else if (endPTS <= startTime) { - // No need to check the rest of the timeRange as it is in order - break; - } + if (!prevStartFrag || prevStartFrag && !prevStartFrag.startPTS) { + logger["logger"].log('No frag in previous level to align on'); + return; + } + + return prevStartFrag; +} +function adjustPts(sliding, details) { + details.fragments.forEach(function (frag) { + if (frag) { + var start = frag.start + sliding; + frag.start = frag.startPTS = start; + frag.endPTS = start + frag.duration; } + }); + details.PTSKnown = true; +} +/** + * Using the parameters of the last level, this function computes PTS' of the new fragments so that they form a + * contiguous stream with the last fragments. + * The PTS of a fragment lets Hls.js know where it fits into a stream - by knowing every PTS, we know which fragment to + * download at any given time. PTS is normally computed when the fragment is demuxed, so taking this step saves us time + * and an extra download. + * @param lastFrag + * @param lastLevel + * @param details + */ - return { - time: fragmentTimes, - partial: fragmentPartial - }; - }; +function alignStream(lastFrag, lastLevel, details) { + alignDiscontinuities(lastFrag, details, lastLevel); - _proto.getFragmentKey = function getFragmentKey(fragment) { - return fragment.type + "_" + fragment.level + "_" + fragment.urlId + "_" + fragment.sn; + if (!details.PTSKnown && lastLevel) { + // If the PTS wasn't figured out via discontinuity sequence that means there was no CC increase within the level. + // Aligning via Program Date Time should therefore be reliable, since PDT should be the same within the same + // discontinuity sequence. + alignPDT(details, lastLevel.details); } - /** - * Gets the partial fragment for a certain time - * @param {Number} time - * @returns {Object} fragment Returns a partial fragment at a time or null if there is no partial fragment - */ - ; +} +/** + * Computes the PTS if a new level's fragments using the PTS of a fragment in the last level which shares the same + * discontinuity sequence. + * @param lastLevel - The details of the last loaded level + * @param details - The details of the new level + */ - _proto.getPartialFragment = function getPartialFragment(time) { - var _this4 = this; +function alignDiscontinuities(lastFrag, details, lastLevel) { + if (shouldAlignOnDiscontinuities(lastFrag, lastLevel, details)) { + var referenceFrag = findDiscontinuousReferenceFrag(lastLevel.details, details); - var timePadding, startTime, endTime; - var bestFragment = null; - var bestOverlap = 0; - Object.keys(this.fragments).forEach(function (key) { - var fragmentEntity = _this4.fragments[key]; + if (referenceFrag) { + logger["logger"].log('Adjusting PTS using last level due to CC increase within current level'); + adjustPts(referenceFrag.start, details); + } + } +} +/** + * Computes the PTS of a new level's fragments using the difference in Program Date Time from the last level. + * @param details - The details of the new level + * @param lastDetails - The details of the last loaded level + */ - if (_this4.isPartial(fragmentEntity)) { - startTime = fragmentEntity.body.startPTS - _this4.bufferPadding; - endTime = fragmentEntity.body.endPTS + _this4.bufferPadding; +function alignPDT(details, lastDetails) { + if (lastDetails && lastDetails.fragments.length) { + if (!details.hasProgramDateTime || !lastDetails.hasProgramDateTime) { + return; + } // if last level sliding is 1000 and its first frag PROGRAM-DATE-TIME is 2017-08-20 1:10:00 AM + // and if new details first frag PROGRAM DATE-TIME is 2017-08-20 1:10:08 AM + // then we can deduce that playlist B sliding is 1000+8 = 1008s - if (time >= startTime && time <= endTime) { - // Use the fragment that has the most padding from start and end time - timePadding = Math.min(time - startTime, endTime - time); - if (bestOverlap <= timePadding) { - bestFragment = fragmentEntity.body; - bestOverlap = timePadding; - } - } - } - }); - return bestFragment; - } - /** - * @param {Object} fragment The fragment to check - * @returns {String} Returns the fragment state when a fragment never loaded or if it partially loaded - */ - ; + var lastPDT = lastDetails.fragments[0].programDateTime; + var newPDT = details.fragments[0].programDateTime; // date diff is in ms. frag.start is in seconds - _proto.getState = function getState(fragment) { - var fragKey = this.getFragmentKey(fragment); - var fragmentEntity = this.fragments[fragKey]; - var state = FragmentState.NOT_LOADED; + var sliding = (newPDT - lastPDT) / 1000 + lastDetails.fragments[0].start; - if (fragmentEntity !== undefined) { - if (!fragmentEntity.buffered) { - state = FragmentState.APPENDING; - } else if (this.isPartial(fragmentEntity) === true) { - state = FragmentState.PARTIAL; - } else { - state = FragmentState.OK; - } + if (Object(number_isFinite["isFiniteNumber"])(sliding)) { + logger["logger"].log("adjusting PTS using programDateTime delta, sliding:" + sliding.toFixed(3)); + adjustPts(sliding, details); } + } +} +// CONCATENATED MODULE: ./src/controller/fragment-finders.ts - return state; - }; - _proto.isPartial = function isPartial(fragmentEntity) { - return fragmentEntity.buffered === true && (fragmentEntity.range.video !== undefined && fragmentEntity.range.video.partial === true || fragmentEntity.range.audio !== undefined && fragmentEntity.range.audio.partial === true); - }; - _proto.isTimeBuffered = function isTimeBuffered(startPTS, endPTS, timeRange) { - var startTime, endTime; +/** + * Returns first fragment whose endPdt value exceeds the given PDT. + * @param {Array<Fragment>} fragments - The array of candidate fragments + * @param {number|null} [PDTValue = null] - The PDT value which must be exceeded + * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start/end can be within in order to be considered contiguous + * @returns {*|null} fragment - The best matching fragment + */ +function findFragmentByPDT(fragments, PDTValue, maxFragLookUpTolerance) { + if (PDTValue === null || !Array.isArray(fragments) || !fragments.length || !Object(number_isFinite["isFiniteNumber"])(PDTValue)) { + return null; + } // if less than start - for (var i = 0; i < timeRange.length; i++) { - startTime = timeRange.start(i) - this.bufferPadding; - endTime = timeRange.end(i) + this.bufferPadding; - if (startPTS >= startTime && endPTS <= endTime) { - return true; - } + var startPDT = fragments[0].programDateTime; - if (endPTS <= startTime) { - // No need to check the rest of the timeRange as it is in order - return false; - } - } + if (PDTValue < (startPDT || 0)) { + return null; + } - return false; + var endPDT = fragments[fragments.length - 1].endProgramDateTime; + + if (PDTValue >= (endPDT || 0)) { + return null; } - /** - * Fires when a fragment loading is completed - */ - ; - _proto.onFragLoaded = function onFragLoaded(e) { - var fragment = e.frag; // don't track initsegment (for which sn is not a number) - // don't track frags used for bitrateTest, they're irrelevant. + maxFragLookUpTolerance = maxFragLookUpTolerance || 0; - if (!Object(number_isFinite["isFiniteNumber"])(fragment.sn) || fragment.bitrateTest) { - return; + for (var seg = 0; seg < fragments.length; ++seg) { + var frag = fragments[seg]; + + if (pdtWithinToleranceTest(PDTValue, maxFragLookUpTolerance, frag)) { + return frag; } + } - this.fragments[this.getFragmentKey(fragment)] = { - body: fragment, - range: Object.create(null), - buffered: false - }; + return null; +} +/** + * Finds a fragment based on the SN of the previous fragment; or based on the needs of the current buffer. + * This method compensates for small buffer gaps by applying a tolerance to the start of any candidate fragment, thus + * breaking any traps which would cause the same fragment to be continuously selected within a small range. + * @param {*} fragPrevious - The last frag successfully appended + * @param {Array<Fragment>} fragments - The array of candidate fragments + * @param {number} [bufferEnd = 0] - The end of the contiguous buffered range the playhead is currently within + * @param {number} maxFragLookUpTolerance - The amount of time that a fragment's start/end can be within in order to be considered contiguous + * @returns {*} foundFrag - The best matching fragment + */ + +function findFragmentByPTS(fragPrevious, fragments, bufferEnd, maxFragLookUpTolerance) { + if (bufferEnd === void 0) { + bufferEnd = 0; } - /** - * Fires when the buffer is updated - */ - ; - _proto.onBufferAppended = function onBufferAppended(e) { - var _this5 = this; + if (maxFragLookUpTolerance === void 0) { + maxFragLookUpTolerance = 0; + } - // Store the latest timeRanges loaded in the buffer - this.timeRanges = e.timeRanges; - Object.keys(this.timeRanges).forEach(function (elementaryStream) { - var timeRange = _this5.timeRanges[elementaryStream]; + var fragNext = fragPrevious ? fragments[fragPrevious.sn - fragments[0].sn + 1] : null; // Prefer the next fragment if it's within tolerance - _this5.detectEvictedFragments(elementaryStream, timeRange); - }); + if (fragNext && !fragment_finders_fragmentWithinToleranceTest(bufferEnd, maxFragLookUpTolerance, fragNext)) { + return fragNext; } - /** - * Fires after a fragment has been loaded into the source buffer - */ - ; - _proto.onFragBuffered = function onFragBuffered(e) { - this.detectPartialFragments(e.frag); + return binary_search.search(fragments, fragment_finders_fragmentWithinToleranceTest.bind(null, bufferEnd, maxFragLookUpTolerance)); +} +/** + * The test function used by the findFragmentBySn's BinarySearch to look for the best match to the current buffer conditions. + * @param {*} candidate - The fragment to test + * @param {number} [bufferEnd = 0] - The end of the current buffered range the playhead is currently within + * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start can be within in order to be considered contiguous + * @returns {number} - 0 if it matches, 1 if too low, -1 if too high + */ + +function fragment_finders_fragmentWithinToleranceTest(bufferEnd, maxFragLookUpTolerance, candidate) { + if (bufferEnd === void 0) { + bufferEnd = 0; } - /** - * Return true if fragment tracker has the fragment. - * @param {Object} fragment - * @returns {boolean} - */ - ; - _proto.hasFragment = function hasFragment(fragment) { - var fragKey = this.getFragmentKey(fragment); - return this.fragments[fragKey] !== undefined; + if (maxFragLookUpTolerance === void 0) { + maxFragLookUpTolerance = 0; } - /** - * Remove a fragment from fragment tracker until it is loaded again - * @param {Object} fragment The fragment to remove - */ - ; - _proto.removeFragment = function removeFragment(fragment) { - var fragKey = this.getFragmentKey(fragment); - delete this.fragments[fragKey]; + // offset should be within fragment boundary - config.maxFragLookUpTolerance + // this is to cope with situations like + // bufferEnd = 9.991 + // frag[Ø] : [0,10] + // frag[1] : [10,20] + // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here + // frag start frag start+duration + // |-----------------------------| + // <---> <---> + // ...--------><-----------------------------><---------.... + // previous frag matching fragment next frag + // return -1 return 0 return 1 + // logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`); + // Set the lookup tolerance to be small enough to detect the current segment - ensures we don't skip over very small segments + var candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration + (candidate.deltaPTS ? candidate.deltaPTS : 0)); + + if (candidate.start + candidate.duration - candidateLookupTolerance <= bufferEnd) { + return 1; + } else if (candidate.start - candidateLookupTolerance > bufferEnd && candidate.start) { + // if maxFragLookUpTolerance will have negative value then don't return -1 for first element + return -1; } - /** - * Remove all fragments from fragment tracker. - */ - ; - _proto.removeAllFragments = function removeAllFragments() { - this.fragments = Object.create(null); - }; + return 0; +} +/** + * The test function used by the findFragmentByPdt's BinarySearch to look for the best match to the current buffer conditions. + * This function tests the candidate's program date time values, as represented in Unix time + * @param {*} candidate - The fragment to test + * @param {number} [pdtBufferEnd = 0] - The Unix time representing the end of the current buffered range + * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start can be within in order to be considered contiguous + * @returns {boolean} True if contiguous, false otherwise + */ - return FragmentTracker; -}(event_handler); -// CONCATENATED MODULE: ./src/utils/binary-search.ts -var BinarySearch = { - /** - * Searches for an item in an array which matches a certain condition. - * This requires the condition to only match one item in the array, - * and for the array to be ordered. - * - * @param {Array<T>} list The array to search. - * @param {BinarySearchComparison<T>} comparisonFn - * Called and provided a candidate item as the first argument. - * Should return: - * > -1 if the item should be located at a lower index than the provided item. - * > 1 if the item should be located at a higher index than the provided item. - * > 0 if the item is the item you're looking for. - * - * @return {T | null} The object if it is found or null otherwise. - */ - search: function search(list, comparisonFn) { - var minIndex = 0; - var maxIndex = list.length - 1; - var currentIndex = null; - var currentElement = null; +function pdtWithinToleranceTest(pdtBufferEnd, maxFragLookUpTolerance, candidate) { + var candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration + (candidate.deltaPTS ? candidate.deltaPTS : 0)) * 1000; // endProgramDateTime can be null, default to zero - while (minIndex <= maxIndex) { - currentIndex = (minIndex + maxIndex) / 2 | 0; - currentElement = list[currentIndex]; - var comparisonResult = comparisonFn(currentElement); + var endProgramDateTime = candidate.endProgramDateTime || 0; + return endProgramDateTime - candidateLookupTolerance > pdtBufferEnd; +} +// CONCATENATED MODULE: ./src/controller/gap-controller.js - if (comparisonResult > 0) { - minIndex = currentIndex + 1; - } else if (comparisonResult < 0) { - maxIndex = currentIndex - 1; - } else { - return currentElement; - } - } - return null; - } -}; -/* harmony default export */ var binary_search = (BinarySearch); -// CONCATENATED MODULE: ./src/utils/buffer-helper.ts -/** - * @module BufferHelper - * - * Providing methods dealing with buffer length retrieval for example. - * - * In general, a helper around HTML5 MediaElement TimeRanges gathered from `buffered` property. - * - * Also @see https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/buffered -*/ -var BufferHelper = + + +var STALL_MINIMUM_DURATION_MS = 250; +var MAX_START_GAP_JUMP = 2.0; +var SKIP_BUFFER_HOLE_STEP_SECONDS = 0.1; +var SKIP_BUFFER_RANGE_START = 0.05; + +var gap_controller_GapController = /*#__PURE__*/ function () { - function BufferHelper() {} - + function GapController(config, media, fragmentTracker, hls) { + this.config = config; + this.media = media; + this.fragmentTracker = fragmentTracker; + this.hls = hls; + this.nudgeRetry = 0; + this.stallReported = false; + this.stalled = null; + this.moved = false; + this.seeking = false; + } /** - * Return true if `media`'s buffered include `position` - * @param {Bufferable} media - * @param {number} position - * @returns {boolean} + * Checks if the playhead is stuck within a gap, and if so, attempts to free it. + * A gap is an unbuffered range between two buffered ranges (or the start and the first buffered range). + * + * @param {number} lastCurrentTime Previously read playhead position */ - BufferHelper.isBuffered = function isBuffered(media, position) { - try { - if (media) { - var buffered = media.buffered; - for (var i = 0; i < buffered.length; i++) { - if (position >= buffered.start(i) && position <= buffered.end(i)) { - return true; - } - } - } - } catch (error) {// this is to catch - // InvalidStateError: Failed to read the 'buffered' property from 'SourceBuffer': - // This SourceBuffer has been removed from the parent media source - } - return false; - }; + var _proto = GapController.prototype; - BufferHelper.bufferInfo = function bufferInfo(media, pos, maxHoleDuration) { - try { - if (media) { - var vbuffered = media.buffered; - var buffered = []; - var i; + _proto.poll = function poll(lastCurrentTime) { + var config = this.config, + media = this.media, + stalled = this.stalled; + var currentTime = media.currentTime, + seeking = media.seeking; + var seeked = this.seeking && !seeking; + var beginSeek = !this.seeking && seeking; + this.seeking = seeking; // The playhead is moving, no-op - for (i = 0; i < vbuffered.length; i++) { - buffered.push({ - start: vbuffered.start(i), - end: vbuffered.end(i) - }); + if (currentTime !== lastCurrentTime) { + this.moved = true; + + if (stalled !== null) { + // The playhead is now moving, but was previously stalled + if (this.stallReported) { + var _stalledDuration = self.performance.now() - stalled; + + logger["logger"].warn("playback not stuck anymore @" + currentTime + ", after " + Math.round(_stalledDuration) + "ms"); + this.stallReported = false; } - return this.bufferedInfo(buffered, pos, maxHoleDuration); + this.stalled = null; + this.nudgeRetry = 0; } - } catch (error) {// this is to catch - // InvalidStateError: Failed to read the 'buffered' property from 'SourceBuffer': - // This SourceBuffer has been removed from the parent media source - } - return { - len: 0, - start: pos, - end: pos, - nextStart: undefined - }; - }; + return; + } // Clear stalled state when beginning or finishing seeking so that we don't report stalls coming out of a seek - BufferHelper.bufferedInfo = function bufferedInfo(buffered, pos, maxHoleDuration) { - // sort on buffer.start/smaller end (IE does not always return sorted buffered range) - buffered.sort(function (a, b) { - var diff = a.start - b.start; - if (diff) { - return diff; - } else { - return b.end - a.end; - } - }); - var buffered2 = []; + if (beginSeek || seeked) { + this.stalled = null; + } - if (maxHoleDuration) { - // there might be some small holes between buffer time range - // consider that holes smaller than maxHoleDuration are irrelevant and build another - // buffer time range representations that discards those holes - for (var i = 0; i < buffered.length; i++) { - var buf2len = buffered2.length; + var seekWithinTolerance = this.config.seekWithinTolerance; - if (buf2len) { - var buf2end = buffered2[buf2len - 1].end; // if small hole (value between 0 or maxHoleDuration ) or overlapping (negative) + if (seekWithinTolerance && (seeking || seeked)) { + this.seekWithinToleranceIfNeeded(); + } // The playhead should not be moving - if (buffered[i].start - buf2end < maxHoleDuration) { - // merge overlapping time ranges - // update lastRange.end only if smaller than item.end - // e.g. [ 1, 15] with [ 2,8] => [ 1,15] (no need to modify lastRange.end) - // whereas [ 1, 8] with [ 2,15] => [ 1,15] ( lastRange should switch from [1,8] to [1,15]) - if (buffered[i].end > buf2end) { - buffered2[buf2len - 1].end = buffered[i].end; - } - } else { - // big hole - buffered2.push(buffered[i]); - } - } else { - // first value - buffered2.push(buffered[i]); - } - } - } else { - buffered2 = buffered; + + if (media.paused || media.ended || media.playbackRate === 0 || !media.buffered.length) { + return; } - var bufferLen = 0; // bufferStartNext can possibly be undefined based on the conditional logic below + var bufferInfo = BufferHelper.bufferInfo(media, currentTime, 0); + var isBuffered = bufferInfo.len > 0; + var nextStart = bufferInfo.nextStart || 0; // There is no playable buffer (waiting for buffer append) - var bufferStartNext; // bufferStart and bufferEnd are buffer boundaries around current video position + if (!isBuffered && !nextStart) { + return; + } - var bufferStart = pos; - var bufferEnd = pos; + if (seeking) { + // Waiting for seeking in a buffered range to complete + var hasEnoughBuffer = bufferInfo.len > MAX_START_GAP_JUMP; // Next buffered range is too far ahead to jump to while still seeking - for (var _i = 0; _i < buffered2.length; _i++) { - var start = buffered2[_i].start, - end = buffered2[_i].end; // logger.log('buf start/end:' + buffered.start(i) + '/' + buffered.end(i)); + var noBufferGap = !nextStart || nextStart - currentTime > MAX_START_GAP_JUMP; - if (pos + maxHoleDuration >= start && pos < end) { - // play position is inside this buffer TimeRange, retrieve end of buffer position and buffer length - bufferStart = start; - bufferEnd = end; - bufferLen = bufferEnd - pos; - } else if (pos + maxHoleDuration < start) { - bufferStartNext = start; - break; - } - } + if (hasEnoughBuffer || noBufferGap) { + return; + } // Reset moved state when seeking to a point in or before a gap - return { - len: bufferLen, - start: bufferStart, - end: bufferEnd, - nextStart: bufferStartNext - }; - } // Trying to find buffered position within `maxFragLookUpTolerance`. Returns same position if - // current time is already inside of buffered range or there is no buffered fragment - // within `maxFragLookUpTolerance`. - ; - BufferHelper.getBufferedPosWithinTolerance = function getBufferedPosWithinTolerance(media, pos, maxFragLookUpTolerance) { - var currentTime = media ? media.currentTime : undefined; // No need to seek if current playback position is already inside buffered range + this.moved = false; + } // Skip start gaps if we haven't played, but the last poll detected the start of a stall + // The addition poll gives the browser a chance to jump the gap for us - if (BufferHelper.isBuffered(media, currentTime)) { - return pos; - } - var buffered = media.buffered; + if (!this.moved && this.stalled) { + // Jump start gaps within jump threshold + var startJump = Math.max(nextStart, bufferInfo.start || 0) - currentTime; - for (var i = 0; i < buffered.length; i++) { - var start = buffered.start(i); // Returns the start position of buffered range if `currentTime` is within `maxFragLookUpTolerance` range + if (startJump > 0 && startJump <= MAX_START_GAP_JUMP) { + this._trySkipBufferHole(null); - if (start > currentTime && start < currentTime + maxFragLookUpTolerance) { - return Math.ceil(start * 10) / 10; + return; } - } - - return pos; - }; + } // Start tracking stall time - return BufferHelper; -}(); -// EXTERNAL MODULE: ./node_modules/eventemitter3/index.js -var eventemitter3 = __webpack_require__("./node_modules/eventemitter3/index.js"); -// EXTERNAL MODULE: ./node_modules/webworkify-webpack/index.js -var webworkify_webpack = __webpack_require__("./node_modules/webworkify-webpack/index.js"); + var tnow = self.performance.now(); -// EXTERNAL MODULE: ./src/demux/demuxer-inline.js + 12 modules -var demuxer_inline = __webpack_require__("./src/demux/demuxer-inline.js"); + if (stalled === null) { + this.stalled = tnow; + return; + } -// CONCATENATED MODULE: ./src/utils/mediasource-helper.ts -/** - * MediaSource helper - */ -function getMediaSource() { - return window.MediaSource || window.WebKitMediaSource; -} -// EXTERNAL MODULE: ./src/utils/get-self-scope.js -var get_self_scope = __webpack_require__("./src/utils/get-self-scope.js"); + var stalledDuration = tnow - stalled; -// CONCATENATED MODULE: ./src/observer.ts -function observer_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } + if (!seeking && stalledDuration >= STALL_MINIMUM_DURATION_MS) { + // Report stalling after trying to fix + this._reportStall(bufferInfo.len); + } + var bufferedWithHoles = BufferHelper.bufferInfo(media, currentTime, config.maxBufferHole); -/** - * Simple adapter sub-class of Nodejs-like EventEmitter. - */ + this._tryFixBufferStall(bufferedWithHoles, stalledDuration); + } // If current position is outside of buffered range and there is a buffered fragment within `maxFragLookUpTolerance` + // will seek to this buffered fragment. It helps to prevent playback stalls + ; -var Observer = -/*#__PURE__*/ -function (_EventEmitter) { - observer_inheritsLoose(Observer, _EventEmitter); + _proto.seekWithinToleranceIfNeeded = function seekWithinToleranceIfNeeded() { + var media = this.media; + var currentTime = media ? media.currentTime : undefined; + var maxFragLookUpTolerance = this.config.maxFragLookUpTolerance; // Trying to find buffered position within `maxFragLookUpTolerance`. Returns same position if + // current time is already inside of buffered range or there is no buffered fragment + // within `maxFragLookUpTolerance`. - function Observer() { - return _EventEmitter.apply(this, arguments) || this; - } + var bufferedPosWithinTolerance = BufferHelper.getBufferedPosWithinTolerance(media, currentTime, maxFragLookUpTolerance); - var _proto = Observer.prototype; + if (currentTime !== bufferedPosWithinTolerance) { + logger["logger"].log("seeking to position within maxFragLookUpTolerance - " + bufferedPosWithinTolerance); + media.currentTime = bufferedPosWithinTolerance; + return true; + } + return false; + } /** - * We simply want to pass along the event-name itself - * in every call to a handler, which is the purpose of our `trigger` method - * extending the standard API. + * Detects and attempts to fix known buffer stalling issues. + * @param bufferInfo - The properties of the current buffer. + * @param stalledDurationMs - The amount of time Hls.js has been stalling for. + * @private */ - _proto.trigger = function trigger(event) { - for (var _len = arguments.length, data = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { - data[_key - 1] = arguments[_key]; - } + ; - this.emit.apply(this, [event, event].concat(data)); - }; + _proto._tryFixBufferStall = function _tryFixBufferStall(bufferInfo, stalledDurationMs) { + var config = this.config, + fragmentTracker = this.fragmentTracker, + media = this.media; + var currentTime = media.currentTime; + var partial = fragmentTracker.getPartialFragment(currentTime); - return Observer; -}(eventemitter3["EventEmitter"]); -// CONCATENATED MODULE: ./src/demux/demuxer.js + if (partial) { + // Try to skip over the buffer hole caused by a partial fragment + // This method isn't limited by the size of the gap between buffered ranges + var targetTime = this._trySkipBufferHole(partial); // we return here in this case, meaning + // the branch below only executes when we don't handle a partial fragment + if (targetTime) { + return; + } + } // if we haven't had to skip over a buffer hole of a partial fragment + // we may just have to "nudge" the playlist as the browser decoding/rendering engine + // needs to cross some sort of threshold covering all source-buffers content + // to start playing properly. + if (bufferInfo.len > config.maxBufferHole && stalledDurationMs > config.highBufferWatchdogPeriod * 1000) { + logger["logger"].warn('Trying to nudge playhead over buffer-hole'); // Try to nudge currentTime over a buffer hole if we've been stalling for the configured amount of seconds + // We only try to jump the hole if it's under the configured size + // Reset stalled so to rearm watchdog timer + this.stalled = null; + this._tryNudgeBuffer(); + } + } + /** + * Triggers a BUFFER_STALLED_ERROR event, but only once per stall period. + * @param bufferLen - The playhead distance from the end of the current buffer segment. + * @private + */ + ; + _proto._reportStall = function _reportStall(bufferLen) { + var hls = this.hls, + media = this.media, + stallReported = this.stallReported; + if (!stallReported) { + // Report stalled error once + this.stallReported = true; + logger["logger"].warn("Playback stalling at @" + media.currentTime + " due to low buffer"); + hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].MEDIA_ERROR, + details: errors["ErrorDetails"].BUFFER_STALLED_ERROR, + fatal: false, + buffer: bufferLen + }); + } + } + /** + * Attempts to fix buffer stalls by jumping over known gaps caused by partial fragments + * @param partial - The partial fragment found at the current time (where playback is stalling). + * @private + */ + ; - // see https://stackoverflow.com/a/11237259/589493 + _proto._trySkipBufferHole = function _trySkipBufferHole(partial) { + var config = this.config, + hls = this.hls, + media = this.media; + var currentTime = media.currentTime; + var lastEndTime = 0; // Check if currentTime is between unbuffered regions of partial fragments -var global = Object(get_self_scope["getSelfScope"])(); // safeguard for code that might run both on worker and main thread + for (var i = 0; i < media.buffered.length; i++) { + var startTime = media.buffered.start(i); -var demuxer_MediaSource = getMediaSource() || { - isTypeSupported: function isTypeSupported() { - return false; - } -}; - -var demuxer_Demuxer = -/*#__PURE__*/ -function () { - function Demuxer(hls, id) { - var _this = this; - - this.hls = hls; - this.id = id; - var observer = this.observer = new Observer(); - var config = hls.config; - - var forwardMessage = function forwardMessage(ev, data) { - data = data || {}; - data.frag = _this.frag; - data.id = _this.id; - hls.trigger(ev, data); - }; // forward events to main thread - - - observer.on(events["default"].FRAG_DECRYPTED, forwardMessage); - observer.on(events["default"].FRAG_PARSING_INIT_SEGMENT, forwardMessage); - observer.on(events["default"].FRAG_PARSING_DATA, forwardMessage); - observer.on(events["default"].FRAG_PARSED, forwardMessage); - observer.on(events["default"].ERROR, forwardMessage); - observer.on(events["default"].FRAG_PARSING_METADATA, forwardMessage); - observer.on(events["default"].FRAG_PARSING_USERDATA, forwardMessage); - observer.on(events["default"].INIT_PTS_FOUND, forwardMessage); - var typeSupported = { - mp4: demuxer_MediaSource.isTypeSupported('video/mp4'), - mpeg: demuxer_MediaSource.isTypeSupported('audio/mpeg'), - mp3: demuxer_MediaSource.isTypeSupported('audio/mp4; codecs="mp3"') - }; // navigator.vendor is not always available in Web Worker - // refer to https://developer.mozilla.org/en-US/docs/Web/API/WorkerGlobalScope/navigator - - var vendor = navigator.vendor; - - if (config.enableWorker && typeof Worker !== 'undefined') { - logger["logger"].log('demuxing in webworker'); - var w; - - try { - w = this.w = webworkify_webpack(/*require.resolve*/(/*! ../demux/demuxer-worker.js */ "./src/demux/demuxer-worker.js")); - this.onwmsg = this.onWorkerMessage.bind(this); - w.addEventListener('message', this.onwmsg); + if (currentTime + config.maxBufferHole >= lastEndTime && currentTime < startTime) { + var targetTime = Math.max(startTime + SKIP_BUFFER_RANGE_START, media.currentTime + SKIP_BUFFER_HOLE_STEP_SECONDS); + logger["logger"].warn("skipping hole, adjusting currentTime from " + currentTime + " to " + targetTime); + this.moved = true; + this.stalled = null; + media.currentTime = targetTime; - w.onerror = function (event) { + if (partial) { hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].OTHER_ERROR, - details: errors["ErrorDetails"].INTERNAL_EXCEPTION, - fatal: true, - event: 'demuxerWorker', - err: { - message: event.message + ' (' + event.filename + ':' + event.lineno + ')' - } + type: errors["ErrorTypes"].MEDIA_ERROR, + details: errors["ErrorDetails"].BUFFER_SEEK_OVER_HOLE, + fatal: false, + reason: "fragment loaded with buffer holes, seeking from " + currentTime + " to " + targetTime, + frag: partial }); - }; - - w.postMessage({ - cmd: 'init', - typeSupported: typeSupported, - vendor: vendor, - id: id, - config: JSON.stringify(config) - }); - } catch (err) { - logger["logger"].warn('Error in worker:', err); - logger["logger"].error('Error while initializing DemuxerWorker, fallback on DemuxerInline'); - - if (w) { - // revoke the Object URL that was used to create demuxer worker, so as not to leak it - global.URL.revokeObjectURL(w.objectURL); } - this.demuxer = new demuxer_inline["default"](observer, typeSupported, config, vendor); - this.w = undefined; - } - } else { - this.demuxer = new demuxer_inline["default"](observer, typeSupported, config, vendor); - } - } - - var _proto = Demuxer.prototype; - - _proto.destroy = function destroy() { - var w = this.w; - - if (w) { - w.removeEventListener('message', this.onwmsg); - w.terminate(); - this.w = null; - } else { - var demuxer = this.demuxer; - - if (demuxer) { - demuxer.destroy(); - this.demuxer = null; + return targetTime; } - } - - var observer = this.observer; - if (observer) { - observer.removeAllListeners(); - this.observer = null; + lastEndTime = media.buffered.end(i); } - }; - - _proto.push = function push(data, initSegment, audioCodec, videoCodec, frag, duration, accurateTimeOffset, defaultInitPTS) { - var w = this.w; - var timeOffset = Object(number_isFinite["isFiniteNumber"])(frag.startPTS) ? frag.startPTS : frag.start; - var decryptdata = frag.decryptdata; - var lastFrag = this.frag; - var discontinuity = !(lastFrag && frag.cc === lastFrag.cc); - var trackSwitch = !(lastFrag && frag.level === lastFrag.level); - var nextSN = lastFrag && frag.sn === lastFrag.sn + 1; - var contiguous = !trackSwitch && nextSN; - if (discontinuity) { - logger["logger"].log(this.id + ":discontinuity detected"); - } + return 0; + } + /** + * Attempts to fix buffer stalls by advancing the mediaElement's current time by a small amount. + * @private + */ + ; - if (trackSwitch) { - logger["logger"].log(this.id + ":switch detected"); - } + _proto._tryNudgeBuffer = function _tryNudgeBuffer() { + var config = this.config, + hls = this.hls, + media = this.media; + var currentTime = media.currentTime; + var nudgeRetry = (this.nudgeRetry || 0) + 1; + this.nudgeRetry = nudgeRetry; - this.frag = frag; + if (nudgeRetry < config.nudgeMaxRetry) { + var targetTime = currentTime + nudgeRetry * config.nudgeOffset; // playback stalled in buffered area ... let's nudge currentTime to try to overcome this - if (w) { - // post fragment payload as transferable objects for ArrayBuffer (no copy) - w.postMessage({ - cmd: 'demux', - data: data, - decryptdata: decryptdata, - initSegment: initSegment, - audioCodec: audioCodec, - videoCodec: videoCodec, - timeOffset: timeOffset, - discontinuity: discontinuity, - trackSwitch: trackSwitch, - contiguous: contiguous, - duration: duration, - accurateTimeOffset: accurateTimeOffset, - defaultInitPTS: defaultInitPTS - }, data instanceof ArrayBuffer ? [data] : []); + logger["logger"].warn("Nudging 'currentTime' from " + currentTime + " to " + targetTime); + media.currentTime = targetTime; + hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].MEDIA_ERROR, + details: errors["ErrorDetails"].BUFFER_NUDGE_ON_STALL, + fatal: false + }); } else { - var demuxer = this.demuxer; - - if (demuxer) { - demuxer.push(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS); - } - } - }; - - _proto.onWorkerMessage = function onWorkerMessage(ev) { - var data = ev.data, - hls = this.hls; - - switch (data.event) { - case 'init': - // revoke the Object URL that was used to create demuxer worker, so as not to leak it - global.URL.revokeObjectURL(this.w.objectURL); - break; - // special case for FRAG_PARSING_DATA: data1 and data2 are transferable objects - - case events["default"].FRAG_PARSING_DATA: - data.data.data1 = new Uint8Array(data.data1); - - if (data.data2) { - data.data.data2 = new Uint8Array(data.data2); - } - - /* falls through */ - - default: - data.data = data.data || {}; - data.data.frag = this.frag; - data.data.id = this.id; - hls.trigger(data.event, data.data); - break; + logger["logger"].error("Playhead still not moving while enough data buffered @" + currentTime + " after " + config.nudgeMaxRetry + " nudges"); + hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].MEDIA_ERROR, + details: errors["ErrorDetails"].BUFFER_STALLED_ERROR, + fatal: true + }); } }; - return Demuxer; + return GapController; }(); -/* harmony default export */ var demux_demuxer = (demuxer_Demuxer); -// CONCATENATED MODULE: ./src/controller/level-helper.js +// CONCATENATED MODULE: ./src/task-loop.ts +function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } +function task_loop_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } /** - * @module LevelHelper + * Sub-class specialization of EventHandler base class. * - * Providing methods dealing with playlist sliding and drift + * TaskLoop allows to schedule a task function being called (optionnaly repeatedly) on the main loop, + * scheduled asynchroneously, avoiding recursive calls in the same tick. * - * TODO: Create an actual `Level` class/model that deals with all this logic in an object-oriented-manner. + * The task itself is implemented in `doTick`. It can be requested and called for single execution + * using the `tick` method. * - * */ + * It will be assured that the task execution method (`tick`) only gets called once per main loop "tick", + * no matter how often it gets requested for execution. Execution in further ticks will be scheduled accordingly. + * + * If further execution requests have already been scheduled on the next tick, it can be checked with `hasNextTick`, + * and cancelled with `clearNextTick`. + * + * The task can be scheduled as an interval repeatedly with a period as parameter (see `setInterval`, `clearInterval`). + * + * Sub-classes need to implement the `doTick` method which will effectively have the task execution routine. + * + * Further explanations: + * + * The baseclass has a `tick` method that will schedule the doTick call. It may be called synchroneously + * only for a stack-depth of one. On re-entrant calls, sub-sequent calls are scheduled for next main loop ticks. + * + * When the task execution (`tick` method) is called in re-entrant way this is detected and + * we are limiting the task execution per call stack to exactly one, but scheduling/post-poning further + * task processing on the next main loop iteration (also known as "next tick" in the Node/JS runtime lingo). + */ +var TaskLoop = +/*#__PURE__*/ +function (_EventHandler) { + task_loop_inheritsLoose(TaskLoop, _EventHandler); -function addGroupId(level, type, id) { - switch (type) { - case 'audio': - if (!level.audioGroupIds) { - level.audioGroupIds = []; - } - - level.audioGroupIds.push(id); - break; + function TaskLoop(hls) { + var _this; - case 'text': - if (!level.textGroupIds) { - level.textGroupIds = []; - } + for (var _len = arguments.length, events = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { + events[_key - 1] = arguments[_key]; + } - level.textGroupIds.push(id); - break; + _this = _EventHandler.call.apply(_EventHandler, [this, hls].concat(events)) || this; + _this._boundTick = void 0; + _this._tickTimer = null; + _this._tickInterval = null; + _this._tickCallCount = 0; + _this._boundTick = _this.tick.bind(_assertThisInitialized(_this)); + return _this; } -} -function updatePTS(fragments, fromIdx, toIdx) { - var fragFrom = fragments[fromIdx], - fragTo = fragments[toIdx], - fragToPTS = fragTo.startPTS; // if we know startPTS[toIdx] + /** + * @override + */ - if (Object(number_isFinite["isFiniteNumber"])(fragToPTS)) { - // update fragment duration. - // it helps to fix drifts between playlist reported duration and fragment real duration - if (toIdx > fromIdx) { - fragFrom.duration = fragToPTS - fragFrom.start; - if (fragFrom.duration < 0) { - logger["logger"].warn("negative duration computed for frag " + fragFrom.sn + ",level " + fragFrom.level + ", there should be some duration drift between playlist and fragment!"); - } - } else { - fragTo.duration = fragFrom.start - fragToPTS; + var _proto = TaskLoop.prototype; - if (fragTo.duration < 0) { - logger["logger"].warn("negative duration computed for frag " + fragTo.sn + ",level " + fragTo.level + ", there should be some duration drift between playlist and fragment!"); - } - } - } else { - // we dont know startPTS[toIdx] - if (toIdx > fromIdx) { - fragTo.start = fragFrom.start + fragFrom.duration; - } else { - fragTo.start = Math.max(fragFrom.start - fragTo.duration, 0); - } + _proto.onHandlerDestroying = function onHandlerDestroying() { + // clear all timers before unregistering from event bus + this.clearNextTick(); + this.clearInterval(); } -} -function updateFragPTSDTS(details, frag, startPTS, endPTS, startDTS, endDTS) { - // update frag PTS/DTS - var maxStartPTS = startPTS; + /** + * @returns {boolean} + */ + ; - if (Object(number_isFinite["isFiniteNumber"])(frag.startPTS)) { - // delta PTS between audio and video - var deltaPTS = Math.abs(frag.startPTS - startPTS); + _proto.hasInterval = function hasInterval() { + return !!this._tickInterval; + } + /** + * @returns {boolean} + */ + ; - if (!Object(number_isFinite["isFiniteNumber"])(frag.deltaPTS)) { - frag.deltaPTS = deltaPTS; - } else { - frag.deltaPTS = Math.max(deltaPTS, frag.deltaPTS); + _proto.hasNextTick = function hasNextTick() { + return !!this._tickTimer; + } + /** + * @param {number} millis Interval time (ms) + * @returns {boolean} True when interval has been scheduled, false when already scheduled (no effect) + */ + ; + + _proto.setInterval = function setInterval(millis) { + if (!this._tickInterval) { + this._tickInterval = self.setInterval(this._boundTick, millis); + return true; } - maxStartPTS = Math.max(startPTS, frag.startPTS); - startPTS = Math.min(startPTS, frag.startPTS); - endPTS = Math.max(endPTS, frag.endPTS); - startDTS = Math.min(startDTS, frag.startDTS); - endDTS = Math.max(endDTS, frag.endDTS); + return false; } + /** + * @returns {boolean} True when interval was cleared, false when none was set (no effect) + */ + ; - var drift = startPTS - frag.start; - frag.start = frag.startPTS = startPTS; - frag.maxStartPTS = maxStartPTS; - frag.endPTS = endPTS; - frag.startDTS = startDTS; - frag.endDTS = endDTS; - frag.duration = endPTS - startPTS; - var sn = frag.sn; // exit if sn out of range + _proto.clearInterval = function clearInterval() { + if (this._tickInterval) { + self.clearInterval(this._tickInterval); + this._tickInterval = null; + return true; + } - if (!details || sn < details.startSN || sn > details.endSN) { - return 0; + return false; } + /** + * @returns {boolean} True when timeout was cleared, false when none was set (no effect) + */ + ; - var fragIdx, fragments, i; - fragIdx = sn - details.startSN; - fragments = details.fragments; // update frag reference in fragments array - // rationale is that fragments array might not contain this frag object. - // this will happen if playlist has been refreshed between frag loading and call to updateFragPTSDTS() - // if we don't update frag, we won't be able to propagate PTS info on the playlist - // resulting in invalid sliding computation + _proto.clearNextTick = function clearNextTick() { + if (this._tickTimer) { + self.clearTimeout(this._tickTimer); + this._tickTimer = null; + return true; + } - fragments[fragIdx] = frag; // adjust fragment PTS/duration from seqnum-1 to frag 0 + return false; + } + /** + * Will call the subclass doTick implementation in this main loop tick + * or in the next one (via setTimeout(,0)) in case it has already been called + * in this tick (in case this is a re-entrant call). + */ + ; - for (i = fragIdx; i > 0; i--) { - updatePTS(fragments, i, i - 1); - } // adjust fragment PTS/duration from seqnum to last frag + _proto.tick = function tick() { + this._tickCallCount++; + if (this._tickCallCount === 1) { + this.doTick(); // re-entrant call to tick from previous doTick call stack + // -> schedule a call on the next main loop iteration to process this task processing request - for (i = fragIdx; i < fragments.length - 1; i++) { - updatePTS(fragments, i, i + 1); + if (this._tickCallCount > 1) { + // make sure only one timer exists at any time at max + this.clearNextTick(); + this._tickTimer = self.setTimeout(this._boundTick, 0); + } + + this._tickCallCount = 0; + } } + /** + * For subclass to implement task logic + * @abstract + */ + ; - details.PTSKnown = true; - return drift; -} -function mergeDetails(oldDetails, newDetails) { - // potentially retrieve cached initsegment - if (newDetails.initSegment && oldDetails.initSegment) { - newDetails.initSegment = oldDetails.initSegment; - } // check if old/new playlists have fragments in common - // loop through overlapping SN and update startPTS , cc, and duration if any found + _proto.doTick = function doTick() {}; + return TaskLoop; +}(event_handler); - var ccOffset = 0; - var PTSFrag; - mapFragmentIntersection(oldDetails, newDetails, function (oldFrag, newFrag) { - ccOffset = oldFrag.cc - newFrag.cc; - if (Object(number_isFinite["isFiniteNumber"])(oldFrag.startPTS)) { - newFrag.start = newFrag.startPTS = oldFrag.startPTS; - newFrag.endPTS = oldFrag.endPTS; - newFrag.duration = oldFrag.duration; - newFrag.backtracked = oldFrag.backtracked; - newFrag.dropped = oldFrag.dropped; - PTSFrag = newFrag; - } // PTS is known when there are overlapping segments +// CONCATENATED MODULE: ./src/controller/base-stream-controller.js - newDetails.PTSKnown = true; - }); +function base_stream_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } - if (!newDetails.PTSKnown) { - return; - } - if (ccOffset) { - logger["logger"].log('discontinuity sliding from playlist, take drift into account'); - var newFragments = newDetails.fragments; - for (var i = 0; i < newFragments.length; i++) { - newFragments[i].cc += ccOffset; - } - } // if at least one fragment contains PTS info, recompute PTS information for all fragments - if (PTSFrag) { - updateFragPTSDTS(newDetails, PTSFrag, PTSFrag.startPTS, PTSFrag.endPTS, PTSFrag.startDTS, PTSFrag.endDTS); - } else { - // ensure that delta is within oldFragments range - // also adjust sliding in case delta is 0 (we could have old=[50-60] and new=old=[50-61]) - // in that case we also need to adjust start offset of all fragments - adjustSliding(oldDetails, newDetails); - } // if we are here, it means we have fragments overlapping between - // old and new level. reliable PTS info is thus relying on old level +var State = { + STOPPED: 'STOPPED', + STARTING: 'STARTING', + IDLE: 'IDLE', + PAUSED: 'PAUSED', + KEY_LOADING: 'KEY_LOADING', + FRAG_LOADING: 'FRAG_LOADING', + FRAG_LOADING_WAITING_RETRY: 'FRAG_LOADING_WAITING_RETRY', + WAITING_TRACK: 'WAITING_TRACK', + PARSING: 'PARSING', + PARSED: 'PARSED', + BUFFER_FLUSHING: 'BUFFER_FLUSHING', + ENDED: 'ENDED', + ERROR: 'ERROR', + WAITING_INIT_PTS: 'WAITING_INIT_PTS', + WAITING_LEVEL: 'WAITING_LEVEL' +}; +var base_stream_controller_BaseStreamController = +/*#__PURE__*/ +function (_TaskLoop) { + base_stream_controller_inheritsLoose(BaseStreamController, _TaskLoop); - newDetails.PTSKnown = oldDetails.PTSKnown; -} -function mergeSubtitlePlaylists(oldPlaylist, newPlaylist, referenceStart) { - if (referenceStart === void 0) { - referenceStart = 0; + function BaseStreamController() { + return _TaskLoop.apply(this, arguments) || this; } - var lastIndex = -1; - mapFragmentIntersection(oldPlaylist, newPlaylist, function (oldFrag, newFrag, index) { - newFrag.start = oldFrag.start; - lastIndex = index; - }); - var frags = newPlaylist.fragments; + var _proto = BaseStreamController.prototype; - if (lastIndex < 0) { - frags.forEach(function (frag) { - frag.start += referenceStart; - }); - return; - } + _proto.doTick = function doTick() {}; - for (var i = lastIndex + 1; i < frags.length; i++) { - frags[i].start = frags[i - 1].start + frags[i - 1].duration; - } -} -function mapFragmentIntersection(oldPlaylist, newPlaylist, intersectionFn) { - if (!oldPlaylist || !newPlaylist) { - return; - } + _proto.startLoad = function startLoad() {}; - var start = Math.max(oldPlaylist.startSN, newPlaylist.startSN) - newPlaylist.startSN; - var end = Math.min(oldPlaylist.endSN, newPlaylist.endSN) - newPlaylist.startSN; - var delta = newPlaylist.startSN - oldPlaylist.startSN; + _proto.stopLoad = function stopLoad() { + var frag = this.fragCurrent; - for (var i = start; i <= end; i++) { - var oldFrag = oldPlaylist.fragments[delta + i]; - var newFrag = newPlaylist.fragments[i]; + if (frag) { + if (frag.loader) { + frag.loader.abort(); + } - if (!oldFrag || !newFrag) { - break; + this.fragmentTracker.removeFragment(frag); } - intersectionFn(oldFrag, newFrag, i); - } -} -function adjustSliding(oldPlaylist, newPlaylist) { - var delta = newPlaylist.startSN - oldPlaylist.startSN; - var oldFragments = oldPlaylist.fragments; - var newFragments = newPlaylist.fragments; - - if (delta < 0 || delta > oldFragments.length) { - return; - } + if (this.demuxer) { + this.demuxer.destroy(); + this.demuxer = null; + } - for (var i = 0; i < newFragments.length; i++) { - newFragments[i].start += oldFragments[delta].start; - } -} -function computeReloadInterval(currentPlaylist, newPlaylist, lastRequestTime) { - var reloadInterval = 1000 * (newPlaylist.averagetargetduration ? newPlaylist.averagetargetduration : newPlaylist.targetduration); - var minReloadInterval = reloadInterval / 2; + this.fragCurrent = null; + this.fragPrevious = null; + this.clearInterval(); + this.clearNextTick(); + this.state = State.STOPPED; + }; - if (currentPlaylist && newPlaylist.endSN === currentPlaylist.endSN) { - // follow HLS Spec, If the client reloads a Playlist file and finds that it has not - // changed then it MUST wait for a period of one-half the target - // duration before retrying. - reloadInterval = minReloadInterval; - } + _proto._streamEnded = function _streamEnded(bufferInfo, levelDetails) { + var fragCurrent = this.fragCurrent, + fragmentTracker = this.fragmentTracker; // we just got done loading the final fragment and there is no other buffered range after ... + // rationale is that in case there are any buffered ranges after, it means that there are unbuffered portion in between + // so we should not switch to ENDED in that case, to be able to buffer them + // dont switch to ENDED if we need to backtrack last fragment - if (lastRequestTime) { - reloadInterval = Math.max(minReloadInterval, reloadInterval - (window.performance.now() - lastRequestTime)); - } // in any case, don't reload more than half of target duration + if (!levelDetails.live && fragCurrent && !fragCurrent.backtracked && fragCurrent.sn === levelDetails.endSN && !bufferInfo.nextStart) { + var fragState = fragmentTracker.getState(fragCurrent); + return fragState === FragmentState.PARTIAL || fragState === FragmentState.OK; + } + return false; + }; - return Math.round(reloadInterval); -} -// CONCATENATED MODULE: ./src/utils/time-ranges.ts -/** - * TimeRanges to string helper - */ -var TimeRanges = { - toString: function toString(r) { - var log = ''; - var len = r.length; + _proto.onMediaSeeking = function onMediaSeeking() { + var config = this.config, + media = this.media, + mediaBuffer = this.mediaBuffer, + state = this.state; + var currentTime = media ? media.currentTime : null; + var bufferInfo = BufferHelper.bufferInfo(mediaBuffer || media, currentTime, this.config.maxBufferHole); - for (var i = 0; i < len; i++) { - log += '[' + r.start(i).toFixed(3) + ',' + r.end(i).toFixed(3) + ']'; + if (Object(number_isFinite["isFiniteNumber"])(currentTime)) { + logger["logger"].log("media seeking to " + currentTime.toFixed(3)); } - return log; - } -}; -/* harmony default export */ var time_ranges = (TimeRanges); -// CONCATENATED MODULE: ./src/utils/discontinuities.js + if (state === State.FRAG_LOADING) { + var fragCurrent = this.fragCurrent; // check if we are seeking to a unbuffered area AND if frag loading is in progress + if (bufferInfo.len === 0 && fragCurrent) { + var tolerance = config.maxFragLookUpTolerance; + var fragStartOffset = fragCurrent.start - tolerance; + var fragEndOffset = fragCurrent.start + fragCurrent.duration + tolerance; // check if we seek position will be out of currently loaded frag range : if out cancel frag load, if in, don't do anything + if (currentTime < fragStartOffset || currentTime > fragEndOffset) { + if (fragCurrent.loader) { + logger["logger"].log('seeking outside of buffer while fragment load in progress, cancel fragment load'); + fragCurrent.loader.abort(); + } -function findFirstFragWithCC(fragments, cc) { - var firstFrag = null; + this.fragCurrent = null; + this.fragPrevious = null; // switch to IDLE state to load new fragment - for (var i = 0; i < fragments.length; i += 1) { - var currentFrag = fragments[i]; + this.state = State.IDLE; + } else { + logger["logger"].log('seeking outside of buffer but within currently loaded fragment range'); + } + } + } else if (state === State.ENDED) { + // if seeking to unbuffered area, clean up fragPrevious + if (bufferInfo.len === 0) { + this.fragPrevious = null; + this.fragCurrent = null; + } // switch to IDLE state to check for potential new fragment - if (currentFrag && currentFrag.cc === cc) { - firstFrag = currentFrag; - break; - } - } - return firstFrag; -} -function findFragWithCC(fragments, CC) { - return binary_search.search(fragments, function (candidate) { - if (candidate.cc < CC) { - return 1; - } else if (candidate.cc > CC) { - return -1; - } else { - return 0; + this.state = State.IDLE; } - }); -} -function shouldAlignOnDiscontinuities(lastFrag, lastLevel, details) { - var shouldAlign = false; - if (lastLevel && lastLevel.details && details) { - if (details.endCC > details.startCC || lastFrag && lastFrag.cc < details.startCC) { - shouldAlign = true; - } - } + if (media) { + this.lastCurrentTime = currentTime; + } // in case seeking occurs although no media buffered, adjust startPosition and nextLoadPosition to seek target - return shouldAlign; -} // Find the first frag in the previous level which matches the CC of the first frag of the new level -function findDiscontinuousReferenceFrag(prevDetails, curDetails) { - var prevFrags = prevDetails.fragments; - var curFrags = curDetails.fragments; + if (!this.loadedmetadata) { + this.nextLoadPosition = this.startPosition = currentTime; + } // tick to speed up processing - if (!curFrags.length || !prevFrags.length) { - logger["logger"].log('No fragments to align'); - return; - } - var prevStartFrag = findFirstFragWithCC(prevFrags, curFrags[0].cc); + this.tick(); + }; - if (!prevStartFrag || prevStartFrag && !prevStartFrag.startPTS) { - logger["logger"].log('No frag in previous level to align on'); - return; - } + _proto.onMediaEnded = function onMediaEnded() { + // reset startPosition and lastCurrentTime to restart playback @ stream beginning + this.startPosition = this.lastCurrentTime = 0; + }; - return prevStartFrag; -} -function adjustPts(sliding, details) { - details.fragments.forEach(function (frag) { - if (frag) { - var start = frag.start + sliding; - frag.start = frag.startPTS = start; - frag.endPTS = start + frag.duration; - } - }); - details.PTSKnown = true; -} -/** - * Using the parameters of the last level, this function computes PTS' of the new fragments so that they form a - * contiguous stream with the last fragments. - * The PTS of a fragment lets Hls.js know where it fits into a stream - by knowing every PTS, we know which fragment to - * download at any given time. PTS is normally computed when the fragment is demuxed, so taking this step saves us time - * and an extra download. - * @param lastFrag - * @param lastLevel - * @param details - */ + _proto.onHandlerDestroying = function onHandlerDestroying() { + this.stopLoad(); -function alignStream(lastFrag, lastLevel, details) { - alignDiscontinuities(lastFrag, details, lastLevel); + _TaskLoop.prototype.onHandlerDestroying.call(this); + }; - if (!details.PTSKnown && lastLevel) { - // If the PTS wasn't figured out via discontinuity sequence that means there was no CC increase within the level. - // Aligning via Program Date Time should therefore be reliable, since PDT should be the same within the same - // discontinuity sequence. - alignPDT(details, lastLevel.details); - } -} -/** - * Computes the PTS if a new level's fragments using the PTS of a fragment in the last level which shares the same - * discontinuity sequence. - * @param lastLevel - The details of the last loaded level - * @param details - The details of the new level - */ + _proto.onHandlerDestroyed = function onHandlerDestroyed() { + this.state = State.STOPPED; + this.fragmentTracker = null; + }; -function alignDiscontinuities(lastFrag, details, lastLevel) { - if (shouldAlignOnDiscontinuities(lastFrag, lastLevel, details)) { - var referenceFrag = findDiscontinuousReferenceFrag(lastLevel.details, details); + _proto.computeLivePosition = function computeLivePosition(sliding, levelDetails) { + var targetLatency = this.config.liveSyncDuration !== undefined ? this.config.liveSyncDuration : this.config.liveSyncDurationCount * levelDetails.targetduration; + return sliding + Math.max(0, levelDetails.totalduration - targetLatency); + }; - if (referenceFrag) { - logger["logger"].log('Adjusting PTS using last level due to CC increase within current level'); - adjustPts(referenceFrag.start, details); - } - } -} -/** - * Computes the PTS of a new level's fragments using the difference in Program Date Time from the last level. - * @param details - The details of the new level - * @param lastDetails - The details of the last loaded level - */ + return BaseStreamController; +}(TaskLoop); -function alignPDT(details, lastDetails) { - if (lastDetails && lastDetails.fragments.length) { - if (!details.hasProgramDateTime || !lastDetails.hasProgramDateTime) { - return; - } // if last level sliding is 1000 and its first frag PROGRAM-DATE-TIME is 2017-08-20 1:10:00 AM - // and if new details first frag PROGRAM DATE-TIME is 2017-08-20 1:10:08 AM - // then we can deduce that playlist B sliding is 1000+8 = 1008s +// CONCATENATED MODULE: ./src/controller/stream-controller.js - var lastPDT = lastDetails.fragments[0].programDateTime; - var newPDT = details.fragments[0].programDateTime; // date diff is in ms. frag.start is in seconds - var sliding = (newPDT - lastPDT) / 1000 + lastDetails.fragments[0].start; - if (Object(number_isFinite["isFiniteNumber"])(sliding)) { - logger["logger"].log("adjusting PTS using programDateTime delta, sliding:" + sliding.toFixed(3)); - adjustPts(sliding, details); - } - } -} -// CONCATENATED MODULE: ./src/controller/fragment-finders.ts -/** - * Returns first fragment whose endPdt value exceeds the given PDT. - * @param {Array<Fragment>} fragments - The array of candidate fragments - * @param {number|null} [PDTValue = null] - The PDT value which must be exceeded - * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start/end can be within in order to be considered contiguous - * @returns {*|null} fragment - The best matching fragment - */ -function findFragmentByPDT(fragments, PDTValue, maxFragLookUpTolerance) { - if (PDTValue === null || !Array.isArray(fragments) || !fragments.length || !Object(number_isFinite["isFiniteNumber"])(PDTValue)) { - return null; - } // if less than start +function stream_controller_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } +function stream_controller_createClass(Constructor, protoProps, staticProps) { if (protoProps) stream_controller_defineProperties(Constructor.prototype, protoProps); if (staticProps) stream_controller_defineProperties(Constructor, staticProps); return Constructor; } - var startPDT = fragments[0].programDateTime; +function stream_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } - if (PDTValue < (startPDT || 0)) { - return null; - } +/* + * Stream Controller +*/ - var endPDT = fragments[fragments.length - 1].endProgramDateTime; - if (PDTValue >= (endPDT || 0)) { - return null; - } - maxFragLookUpTolerance = maxFragLookUpTolerance || 0; - for (var seg = 0; seg < fragments.length; ++seg) { - var frag = fragments[seg]; - if (pdtWithinToleranceTest(PDTValue, maxFragLookUpTolerance, frag)) { - return frag; - } - } - return null; -} -/** - * Finds a fragment based on the SN of the previous fragment; or based on the needs of the current buffer. - * This method compensates for small buffer gaps by applying a tolerance to the start of any candidate fragment, thus - * breaking any traps which would cause the same fragment to be continuously selected within a small range. - * @param {*} fragPrevious - The last frag successfully appended - * @param {Array<Fragment>} fragments - The array of candidate fragments - * @param {number} [bufferEnd = 0] - The end of the contiguous buffered range the playhead is currently within - * @param {number} maxFragLookUpTolerance - The amount of time that a fragment's start/end can be within in order to be considered contiguous - * @returns {*} foundFrag - The best matching fragment - */ -function findFragmentByPTS(fragPrevious, fragments, bufferEnd, maxFragLookUpTolerance) { - if (bufferEnd === void 0) { - bufferEnd = 0; - } - if (maxFragLookUpTolerance === void 0) { - maxFragLookUpTolerance = 0; - } - var fragNext = fragPrevious ? fragments[fragPrevious.sn - fragments[0].sn + 1] : null; // Prefer the next fragment if it's within tolerance - if (fragNext && !fragment_finders_fragmentWithinToleranceTest(bufferEnd, maxFragLookUpTolerance, fragNext)) { - return fragNext; - } - return binary_search.search(fragments, fragment_finders_fragmentWithinToleranceTest.bind(null, bufferEnd, maxFragLookUpTolerance)); -} -/** - * The test function used by the findFragmentBySn's BinarySearch to look for the best match to the current buffer conditions. - * @param {*} candidate - The fragment to test - * @param {number} [bufferEnd = 0] - The end of the current buffered range the playhead is currently within - * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start can be within in order to be considered contiguous - * @returns {number} - 0 if it matches, 1 if too low, -1 if too high - */ -function fragment_finders_fragmentWithinToleranceTest(bufferEnd, maxFragLookUpTolerance, candidate) { - if (bufferEnd === void 0) { - bufferEnd = 0; - } - if (maxFragLookUpTolerance === void 0) { - maxFragLookUpTolerance = 0; - } - // offset should be within fragment boundary - config.maxFragLookUpTolerance - // this is to cope with situations like - // bufferEnd = 9.991 - // frag[Ø] : [0,10] - // frag[1] : [10,20] - // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here - // frag start frag start+duration - // |-----------------------------| - // <---> <---> - // ...--------><-----------------------------><---------.... - // previous frag matching fragment next frag - // return -1 return 0 return 1 - // logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`); - // Set the lookup tolerance to be small enough to detect the current segment - ensures we don't skip over very small segments - var candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration + (candidate.deltaPTS ? candidate.deltaPTS : 0)); - if (candidate.start + candidate.duration - candidateLookupTolerance <= bufferEnd) { - return 1; - } else if (candidate.start - candidateLookupTolerance > bufferEnd && candidate.start) { - // if maxFragLookUpTolerance will have negative value then don't return -1 for first element - return -1; - } +var TICK_INTERVAL = 100; // how often to tick in ms - return 0; -} -/** - * The test function used by the findFragmentByPdt's BinarySearch to look for the best match to the current buffer conditions. - * This function tests the candidate's program date time values, as represented in Unix time - * @param {*} candidate - The fragment to test - * @param {number} [pdtBufferEnd = 0] - The Unix time representing the end of the current buffered range - * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start can be within in order to be considered contiguous - * @returns {boolean} True if contiguous, false otherwise - */ +var stream_controller_StreamController = +/*#__PURE__*/ +function (_BaseStreamController) { + stream_controller_inheritsLoose(StreamController, _BaseStreamController); -function pdtWithinToleranceTest(pdtBufferEnd, maxFragLookUpTolerance, candidate) { - var candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration + (candidate.deltaPTS ? candidate.deltaPTS : 0)) * 1000; // endProgramDateTime can be null, default to zero + function StreamController(hls, fragmentTracker) { + var _this; - var endProgramDateTime = candidate.endProgramDateTime || 0; - return endProgramDateTime - candidateLookupTolerance > pdtBufferEnd; -} -// CONCATENATED MODULE: ./src/controller/gap-controller.js + _this = _BaseStreamController.call(this, hls, events["default"].MEDIA_ATTACHED, events["default"].MEDIA_DETACHING, events["default"].MANIFEST_LOADING, events["default"].MANIFEST_PARSED, events["default"].LEVEL_LOADED, events["default"].KEY_LOADED, events["default"].FRAG_LOADED, events["default"].FRAG_LOAD_EMERGENCY_ABORTED, events["default"].FRAG_PARSING_INIT_SEGMENT, events["default"].FRAG_PARSING_DATA, events["default"].FRAG_PARSED, events["default"].ERROR, events["default"].AUDIO_TRACK_SWITCHING, events["default"].AUDIO_TRACK_SWITCHED, events["default"].BUFFER_CREATED, events["default"].BUFFER_APPENDED, events["default"].BUFFER_FLUSHED) || this; + _this.fragmentTracker = fragmentTracker; + _this.config = hls.config; + _this.audioCodecSwap = false; + _this._state = State.STOPPED; + _this.stallReported = false; + _this.gapController = null; + _this.altAudio = false; + return _this; + } + var _proto = StreamController.prototype; + _proto.startLoad = function startLoad(startPosition) { + if (this.levels) { + var lastCurrentTime = this.lastCurrentTime, + hls = this.hls; + this.stopLoad(); + this.setInterval(TICK_INTERVAL); + this.level = -1; + this.fragLoadError = 0; + if (!this.startFragRequested) { + // determine load level + var startLevel = hls.startLevel; -var STALL_MINIMUM_DURATION_MS = 250; -var MAX_START_GAP_JUMP = 2.0; -var SKIP_BUFFER_HOLE_STEP_SECONDS = 0.1; -var SKIP_BUFFER_RANGE_START = 0.05; + if (startLevel === -1) { + // -1 : guess start Level by doing a bitrate test by loading first fragment of lowest quality level + startLevel = 0; + this.bitrateTest = true; + } // set new level to playlist loader : this will trigger start level load + // hls.nextLoadLevel remains until it is set to a new value or until a new frag is successfully loaded -var gap_controller_GapController = -/*#__PURE__*/ -function () { - function GapController(config, media, fragmentTracker, hls) { - this.config = config; - this.media = media; - this.fragmentTracker = fragmentTracker; - this.hls = hls; - this.nudgeRetry = 0; - this.stallReported = false; - this.stalled = null; - this.moved = false; - this.seeking = false; - } - /** - * Checks if the playhead is stuck within a gap, and if so, attempts to free it. - * A gap is an unbuffered range between two buffered ranges (or the start and the first buffered range). - * - * @param {number} lastCurrentTime Previously read playhead position - */ + this.level = hls.nextLoadLevel = startLevel; + this.loadedmetadata = false; + } // if startPosition undefined but lastCurrentTime set, set startPosition to last currentTime - var _proto = GapController.prototype; - _proto.poll = function poll(lastCurrentTime) { - var config = this.config, - media = this.media, - stalled = this.stalled; - var currentTime = media.currentTime, - seeking = media.seeking; - var seeked = this.seeking && !seeking; - var beginSeek = !this.seeking && seeking; - this.seeking = seeking; // The playhead is moving, no-op + if (lastCurrentTime > 0 && startPosition === -1) { + logger["logger"].log("override startPosition with lastCurrentTime @" + lastCurrentTime.toFixed(3)); + startPosition = lastCurrentTime; + } - if (currentTime !== lastCurrentTime) { - this.moved = true; + this.state = State.IDLE; + this.nextLoadPosition = this.startPosition = this.lastCurrentTime = startPosition; + this.tick(); + } else { + this.forceStartLoad = true; + this.state = State.STOPPED; + } + }; - if (stalled !== null) { - // The playhead is now moving, but was previously stalled - if (this.stallReported) { - var _stalledDuration = self.performance.now() - stalled; + _proto.stopLoad = function stopLoad() { + this.forceStartLoad = false; - logger["logger"].warn("playback not stuck anymore @" + currentTime + ", after " + Math.round(_stalledDuration) + "ms"); - this.stallReported = false; - } + _BaseStreamController.prototype.stopLoad.call(this); + }; - this.stalled = null; - this.nudgeRetry = 0; - } + _proto.doTick = function doTick() { + switch (this.state) { + case State.BUFFER_FLUSHING: + // in buffer flushing state, reset fragLoadError counter + this.fragLoadError = 0; + break; - return; - } // Clear stalled state when beginning or finishing seeking so that we don't report stalls coming out of a seek + case State.IDLE: + this._doTickIdle(); + break; - if (beginSeek || seeked) { - this.stalled = null; - } + case State.WAITING_LEVEL: + var level = this.levels[this.level]; // check if playlist is already loaded - var seekWithinTolerance = this.config.seekWithinTolerance; + if (level && level.details) { + this.state = State.IDLE; + } - if (seekWithinTolerance && (seeking || seeked)) { - this.seekWithinToleranceIfNeeded(); - } // The playhead should not be moving + break; + case State.FRAG_LOADING_WAITING_RETRY: + var now = window.performance.now(); + var retryDate = this.retryDate; // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading - if (media.paused || media.ended || media.playbackRate === 0 || !media.buffered.length) { - return; - } + if (!retryDate || now >= retryDate || this.media && this.media.seeking) { + logger["logger"].log('mediaController: retryDate reached, switch back to IDLE state'); + this.state = State.IDLE; + } - var bufferInfo = BufferHelper.bufferInfo(media, currentTime, 0); - var isBuffered = bufferInfo.len > 0; - var nextStart = bufferInfo.nextStart || 0; // There is no playable buffer (waiting for buffer append) + break; - if (!isBuffered && !nextStart) { - return; - } + case State.ERROR: + case State.STOPPED: + case State.FRAG_LOADING: + case State.PARSING: + case State.PARSED: + case State.ENDED: + break; - if (seeking) { - // Waiting for seeking in a buffered range to complete - var hasEnoughBuffer = bufferInfo.len > MAX_START_GAP_JUMP; // Next buffered range is too far ahead to jump to while still seeking + default: + break; + } // check buffer - var noBufferGap = !nextStart || nextStart - currentTime > MAX_START_GAP_JUMP; - if (hasEnoughBuffer || noBufferGap) { - return; - } // Reset moved state when seeking to a point in or before a gap + this._checkBuffer(); // check/update current fragment - this.moved = false; - } // Skip start gaps if we haven't played, but the last poll detected the start of a stall - // The addition poll gives the browser a chance to jump the gap for us + this._checkFragmentChanged(); + } // Ironically the "idle" state is the on we do the most logic in it seems .... + // NOTE: Maybe we could rather schedule a check for buffer length after half of the currently + // played segment, or on pause/play/seek instead of naively checking every 100ms? + ; + + _proto._doTickIdle = function _doTickIdle() { + var hls = this.hls, + config = hls.config, + media = this.media; // if start level not parsed yet OR + // if video not attached AND start fragment already requested OR start frag prefetch disable + // exit loop, as we either need more info (level not parsed) or we need media to be attached to load new fragment + if (this.levelLastLoaded === undefined || !media && (this.startFragRequested || !config.startFragPrefetch)) { + return; + } // if we have not yet loaded any fragment, start loading from start position - if (!this.moved && this.stalled) { - // Jump start gaps within jump threshold - var startJump = Math.max(nextStart, bufferInfo.start || 0) - currentTime; - if (startJump > 0 && startJump <= MAX_START_GAP_JUMP) { - this._trySkipBufferHole(null); + var pos; - return; - } - } // Start tracking stall time + if (this.loadedmetadata) { + pos = media.currentTime; + } else { + pos = this.nextLoadPosition; + } // determine next load level - var tnow = self.performance.now(); + var level = hls.nextLoadLevel, + levelInfo = this.levels[level]; - if (stalled === null) { - this.stalled = tnow; + if (!levelInfo) { return; } - var stalledDuration = tnow - stalled; + var levelBitrate = levelInfo.bitrate, + maxBufLen; // compute max Buffer Length that we could get from this load level, based on level bitrate. - if (!seeking && stalledDuration >= STALL_MINIMUM_DURATION_MS) { - // Report stalling after trying to fix - this._reportStall(bufferInfo.len); + if (levelBitrate) { + maxBufLen = Math.max(8 * config.maxBufferSize / levelBitrate, config.maxBufferLength); + } else { + maxBufLen = config.maxBufferLength; } - var bufferedWithHoles = BufferHelper.bufferInfo(media, currentTime, config.maxBufferHole); - - this._tryFixBufferStall(bufferedWithHoles, stalledDuration); - } // If current position is outside of buffered range and there is a buffered fragment within `maxFragLookUpTolerance` - // will seek to this buffered fragment. It helps to prevent playback stalls - ; + maxBufLen = Math.min(maxBufLen, config.maxMaxBufferLength); // determine next candidate fragment to be loaded, based on current position and end of buffer position + // ensure up to `config.maxMaxBufferLength` of buffer upfront - _proto.seekWithinToleranceIfNeeded = function seekWithinToleranceIfNeeded() { - var media = this.media; - var currentTime = media ? media.currentTime : undefined; - var maxFragLookUpTolerance = this.config.maxFragLookUpTolerance; // Trying to find buffered position within `maxFragLookUpTolerance`. Returns same position if - // current time is already inside of buffered range or there is no buffered fragment - // within `maxFragLookUpTolerance`. + var bufferInfo = BufferHelper.bufferInfo(this.mediaBuffer ? this.mediaBuffer : media, pos, config.maxBufferHole), + bufferLen = bufferInfo.len; // Stay idle if we are still with buffer margins - var bufferedPosWithinTolerance = BufferHelper.getBufferedPosWithinTolerance(media, currentTime, maxFragLookUpTolerance); + if (bufferLen >= maxBufLen) { + return; + } // if buffer length is less than maxBufLen try to load a new fragment ... - if (currentTime !== bufferedPosWithinTolerance) { - logger["logger"].log("seeking to position within maxFragLookUpTolerance - " + bufferedPosWithinTolerance); - media.currentTime = bufferedPosWithinTolerance; - return true; - } - return false; - } - /** - * Detects and attempts to fix known buffer stalling issues. - * @param bufferInfo - The properties of the current buffer. - * @param stalledDurationMs - The amount of time Hls.js has been stalling for. - * @private - */ - ; + logger["logger"].trace("buffer length of " + bufferLen.toFixed(3) + " is below max of " + maxBufLen.toFixed(3) + ". checking for more payload ..."); // set next load level : this will trigger a playlist load if needed - _proto._tryFixBufferStall = function _tryFixBufferStall(bufferInfo, stalledDurationMs) { - var config = this.config, - fragmentTracker = this.fragmentTracker, - media = this.media; - var currentTime = media.currentTime; - var partial = fragmentTracker.getPartialFragment(currentTime); + this.level = hls.nextLoadLevel = level; + var levelDetails = levelInfo.details; // if level info not retrieved yet, switch state and wait for level retrieval + // if live playlist, ensure that new playlist has been refreshed to avoid loading/try to load + // a useless and outdated fragment (that might even introduce load error if it is already out of the live playlist) - if (partial) { - // Try to skip over the buffer hole caused by a partial fragment - // This method isn't limited by the size of the gap between buffered ranges - var targetTime = this._trySkipBufferHole(partial); // we return here in this case, meaning - // the branch below only executes when we don't handle a partial fragment + if (!levelDetails || levelDetails.live && this.levelLastLoaded !== level) { + this.state = State.WAITING_LEVEL; + return; + } + if (this._streamEnded(bufferInfo, levelDetails)) { + var data = {}; - if (targetTime) { - return; + if (this.altAudio) { + data.type = 'video'; } - } // if we haven't had to skip over a buffer hole of a partial fragment - // we may just have to "nudge" the playlist as the browser decoding/rendering engine - // needs to cross some sort of threshold covering all source-buffers content - // to start playing properly. - - if (bufferInfo.len > config.maxBufferHole && stalledDurationMs > config.highBufferWatchdogPeriod * 1000) { - logger["logger"].warn('Trying to nudge playhead over buffer-hole'); // Try to nudge currentTime over a buffer hole if we've been stalling for the configured amount of seconds - // We only try to jump the hole if it's under the configured size - // Reset stalled so to rearm watchdog timer + this.hls.trigger(events["default"].BUFFER_EOS, data); + this.state = State.ENDED; + return; + } // if we have the levelDetails for the selected variant, lets continue enrichen our stream (load keys/fragments or trigger EOS, etc..) - this.stalled = null; - this._tryNudgeBuffer(); - } - } - /** - * Triggers a BUFFER_STALLED_ERROR event, but only once per stall period. - * @param bufferLen - The playhead distance from the end of the current buffer segment. - * @private - */ - ; + this._fetchPayloadOrEos(pos, bufferInfo, levelDetails); + }; - _proto._reportStall = function _reportStall(bufferLen) { - var hls = this.hls, - media = this.media, - stallReported = this.stallReported; + _proto._fetchPayloadOrEos = function _fetchPayloadOrEos(pos, bufferInfo, levelDetails) { + var fragPrevious = this.fragPrevious, + level = this.level, + fragments = levelDetails.fragments, + fragLen = fragments.length; // empty playlist - if (!stallReported) { - // Report stalled error once - this.stallReported = true; - logger["logger"].warn("Playback stalling at @" + media.currentTime + " due to low buffer"); - hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].MEDIA_ERROR, - details: errors["ErrorDetails"].BUFFER_STALLED_ERROR, - fatal: false, - buffer: bufferLen - }); - } - } - /** - * Attempts to fix buffer stalls by jumping over known gaps caused by partial fragments - * @param partial - The partial fragment found at the current time (where playback is stalling). - * @private - */ - ; + if (fragLen === 0) { + return; + } // find fragment index, contiguous with end of buffer position - _proto._trySkipBufferHole = function _trySkipBufferHole(partial) { - var config = this.config, - hls = this.hls, - media = this.media; - var currentTime = media.currentTime; - var lastEndTime = 0; // Check if currentTime is between unbuffered regions of partial fragments - for (var i = 0; i < media.buffered.length; i++) { - var startTime = media.buffered.start(i); + var start = fragments[0].start, + end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration, + bufferEnd = bufferInfo.end, + frag; - if (currentTime + config.maxBufferHole >= lastEndTime && currentTime < startTime) { - var targetTime = Math.max(startTime + SKIP_BUFFER_RANGE_START, media.currentTime + SKIP_BUFFER_HOLE_STEP_SECONDS); - logger["logger"].warn("skipping hole, adjusting currentTime from " + currentTime + " to " + targetTime); - this.moved = true; - this.stalled = null; - media.currentTime = targetTime; + if (levelDetails.initSegment && !levelDetails.initSegment.data) { + frag = levelDetails.initSegment; + } else { + // in case of live playlist we need to ensure that requested position is not located before playlist start + if (levelDetails.live) { + var initialLiveManifestSize = this.config.initialLiveManifestSize; - if (partial) { - hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].MEDIA_ERROR, - details: errors["ErrorDetails"].BUFFER_SEEK_OVER_HOLE, - fatal: false, - reason: "fragment loaded with buffer holes, seeking from " + currentTime + " to " + targetTime, - frag: partial - }); + if (fragLen < initialLiveManifestSize) { + logger["logger"].warn("Can not start playback of a level, reason: not enough fragments " + fragLen + " < " + initialLiveManifestSize); + return; } - return targetTime; - } + frag = this._ensureFragmentAtLivePoint(levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen); // if it explicitely returns null don't load any fragment and exit function now - lastEndTime = media.buffered.end(i); + if (frag === null) { + return; + } + } else { + // VoD playlist: if bufferEnd before start of playlist, load first fragment + if (bufferEnd < start) { + frag = fragments[0]; + } + } } - return 0; - } - /** - * Attempts to fix buffer stalls by advancing the mediaElement's current time by a small amount. - * @private - */ - ; + if (!frag) { + frag = this._findFragment(start, fragPrevious, fragLen, fragments, bufferEnd, end, levelDetails); + } - _proto._tryNudgeBuffer = function _tryNudgeBuffer() { - var config = this.config, - hls = this.hls, - media = this.media; - var currentTime = media.currentTime; - var nudgeRetry = (this.nudgeRetry || 0) + 1; - this.nudgeRetry = nudgeRetry; + if (frag) { + if (frag.encrypted) { + logger["logger"].log("Loading key for " + frag.sn + " of [" + levelDetails.startSN + " ," + levelDetails.endSN + "],level " + level); - if (nudgeRetry < config.nudgeMaxRetry) { - var targetTime = currentTime + nudgeRetry * config.nudgeOffset; // playback stalled in buffered area ... let's nudge currentTime to try to overcome this + this._loadKey(frag); + } else { + logger["logger"].log("Loading " + frag.sn + " of [" + levelDetails.startSN + " ," + levelDetails.endSN + "],level " + level + ", currentTime:" + pos.toFixed(3) + ",bufferEnd:" + bufferEnd.toFixed(3)); - logger["logger"].warn("Nudging 'currentTime' from " + currentTime + " to " + targetTime); - media.currentTime = targetTime; - hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].MEDIA_ERROR, - details: errors["ErrorDetails"].BUFFER_NUDGE_ON_STALL, - fatal: false - }); - } else { - logger["logger"].error("Playhead still not moving while enough data buffered @" + currentTime + " after " + config.nudgeMaxRetry + " nudges"); - hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].MEDIA_ERROR, - details: errors["ErrorDetails"].BUFFER_STALLED_ERROR, - fatal: true - }); + this._loadFragment(frag); + } } }; - return GapController; -}(); - - -// CONCATENATED MODULE: ./src/task-loop.ts -function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } + _proto._ensureFragmentAtLivePoint = function _ensureFragmentAtLivePoint(levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen) { + var config = this.hls.config, + media = this.media; + var frag; // check if requested position is within seekable boundaries : + // logger.log(`start/pos/bufEnd/seeking:${start.toFixed(3)}/${pos.toFixed(3)}/${bufferEnd.toFixed(3)}/${this.media.seeking}`); -function task_loop_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } + var maxLatency = config.liveMaxLatencyDuration !== undefined ? config.liveMaxLatencyDuration : config.liveMaxLatencyDurationCount * levelDetails.targetduration; + if (bufferEnd < Math.max(start - config.maxFragLookUpTolerance, end - maxLatency)) { + var liveSyncPosition = this.liveSyncPosition = this.computeLivePosition(start, levelDetails); + bufferEnd = liveSyncPosition; + if (media && !media.paused && media.readyState && media.duration > liveSyncPosition && liveSyncPosition > media.currentTime) { + logger["logger"].log("buffer end: " + bufferEnd.toFixed(3) + " is located too far from the end of live sliding playlist, reset currentTime to : " + liveSyncPosition.toFixed(3)); + media.currentTime = liveSyncPosition; + } -/** - * Sub-class specialization of EventHandler base class. - * - * TaskLoop allows to schedule a task function being called (optionnaly repeatedly) on the main loop, - * scheduled asynchroneously, avoiding recursive calls in the same tick. - * - * The task itself is implemented in `doTick`. It can be requested and called for single execution - * using the `tick` method. - * - * It will be assured that the task execution method (`tick`) only gets called once per main loop "tick", - * no matter how often it gets requested for execution. Execution in further ticks will be scheduled accordingly. - * - * If further execution requests have already been scheduled on the next tick, it can be checked with `hasNextTick`, - * and cancelled with `clearNextTick`. - * - * The task can be scheduled as an interval repeatedly with a period as parameter (see `setInterval`, `clearInterval`). - * - * Sub-classes need to implement the `doTick` method which will effectively have the task execution routine. - * - * Further explanations: - * - * The baseclass has a `tick` method that will schedule the doTick call. It may be called synchroneously - * only for a stack-depth of one. On re-entrant calls, sub-sequent calls are scheduled for next main loop ticks. - * - * When the task execution (`tick` method) is called in re-entrant way this is detected and - * we are limiting the task execution per call stack to exactly one, but scheduling/post-poning further - * task processing on the next main loop iteration (also known as "next tick" in the Node/JS runtime lingo). - */ -var TaskLoop = -/*#__PURE__*/ -function (_EventHandler) { - task_loop_inheritsLoose(TaskLoop, _EventHandler); + this.nextLoadPosition = liveSyncPosition; + } // if end of buffer greater than live edge, don't load any fragment + // this could happen if live playlist intermittently slides in the past. + // level 1 loaded [182580161,182580167] + // level 1 loaded [182580162,182580169] + // Loading 182580168 of [182580162 ,182580169],level 1 .. + // Loading 182580169 of [182580162 ,182580169],level 1 .. + // level 1 loaded [182580162,182580168] <============= here we should have bufferEnd > end. in that case break to avoid reloading 182580168 + // level 1 loaded [182580164,182580171] + // + // don't return null in case media not loaded yet (readystate === 0) - function TaskLoop(hls) { - var _this; - for (var _len = arguments.length, events = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { - events[_key - 1] = arguments[_key]; + if (levelDetails.PTSKnown && bufferEnd > end && media && media.readyState) { + return null; } - _this = _EventHandler.call.apply(_EventHandler, [this, hls].concat(events)) || this; - _this._boundTick = void 0; - _this._tickTimer = null; - _this._tickInterval = null; - _this._tickCallCount = 0; - _this._boundTick = _this.tick.bind(_assertThisInitialized(_this)); - return _this; - } - /** - * @override - */ + if (this.startFragRequested && !levelDetails.PTSKnown) { + /* we are switching level on live playlist, but we don't have any PTS info for that quality level ... + try to load frag matching with next SN. + even if SN are not synchronized between playlists, loading this frag will help us + compute playlist sliding and find the right one after in case it was not the right consecutive one */ + if (fragPrevious) { + if (levelDetails.hasProgramDateTime) { + // Relies on PDT in order to switch bitrates (Support EXT-X-DISCONTINUITY without EXT-X-DISCONTINUITY-SEQUENCE) + logger["logger"].log("live playlist, switching playlist, load frag with same PDT: " + fragPrevious.programDateTime); + frag = findFragmentByPDT(fragments, fragPrevious.endProgramDateTime, config.maxFragLookUpTolerance); + } else { + // Uses buffer and sequence number to calculate switch segment (required if using EXT-X-DISCONTINUITY-SEQUENCE) + var targetSN = fragPrevious.sn + 1; + if (targetSN >= levelDetails.startSN && targetSN <= levelDetails.endSN) { + var fragNext = fragments[targetSN - levelDetails.startSN]; - var _proto = TaskLoop.prototype; + if (fragPrevious.cc === fragNext.cc) { + frag = fragNext; + logger["logger"].log("live playlist, switching playlist, load frag with next SN: " + frag.sn); + } + } // next frag SN not available (or not with same continuity counter) + // look for a frag sharing the same CC - _proto.onHandlerDestroying = function onHandlerDestroying() { - // clear all timers before unregistering from event bus - this.clearNextTick(); - this.clearInterval(); - } - /** - * @returns {boolean} - */ - ; - _proto.hasInterval = function hasInterval() { - return !!this._tickInterval; - } - /** - * @returns {boolean} - */ - ; + if (!frag) { + frag = binary_search.search(fragments, function (frag) { + return fragPrevious.cc - frag.cc; + }); - _proto.hasNextTick = function hasNextTick() { - return !!this._tickTimer; - } - /** - * @param {number} millis Interval time (ms) - * @returns {boolean} True when interval has been scheduled, false when already scheduled (no effect) - */ - ; + if (frag) { + logger["logger"].log("live playlist, switching playlist, load frag with same CC: " + frag.sn); + } + } + } + } - _proto.setInterval = function setInterval(millis) { - if (!this._tickInterval) { - this._tickInterval = self.setInterval(this._boundTick, millis); - return true; + if (!frag) { + /* we have no idea about which fragment should be loaded. + so let's load mid fragment. it will help computing playlist sliding and find the right one + */ + frag = fragments[Math.min(fragLen - 1, Math.round(fragLen / 2))]; + logger["logger"].log("live playlist, switching playlist, unknown, load middle frag : " + frag.sn); + } } - return false; - } - /** - * @returns {boolean} True when interval was cleared, false when none was set (no effect) - */ - ; + return frag; + }; - _proto.clearInterval = function clearInterval() { - if (this._tickInterval) { - self.clearInterval(this._tickInterval); - this._tickInterval = null; - return true; - } + _proto._findFragment = function _findFragment(start, fragPreviousLoad, fragmentIndexRange, fragments, bufferEnd, end, levelDetails) { + var config = this.hls.config; + var fragNextLoad; - return false; - } - /** - * @returns {boolean} True when timeout was cleared, false when none was set (no effect) - */ - ; + if (bufferEnd < end) { + var lookupTolerance = bufferEnd > end - config.maxFragLookUpTolerance ? 0 : config.maxFragLookUpTolerance; // Remove the tolerance if it would put the bufferEnd past the actual end of stream + // Uses buffer and sequence number to calculate switch segment (required if using EXT-X-DISCONTINUITY-SEQUENCE) - _proto.clearNextTick = function clearNextTick() { - if (this._tickTimer) { - self.clearTimeout(this._tickTimer); - this._tickTimer = null; - return true; + fragNextLoad = findFragmentByPTS(fragPreviousLoad, fragments, bufferEnd, lookupTolerance); + } else { + // reach end of playlist + fragNextLoad = fragments[fragmentIndexRange - 1]; } - return false; - } - /** - * Will call the subclass doTick implementation in this main loop tick - * or in the next one (via setTimeout(,0)) in case it has already been called - * in this tick (in case this is a re-entrant call). - */ - ; + if (fragNextLoad) { + var curSNIdx = fragNextLoad.sn - levelDetails.startSN; + var sameLevel = fragPreviousLoad && fragNextLoad.level === fragPreviousLoad.level; + var prevSnFrag = fragments[curSNIdx - 1]; + var nextSnFrag = fragments[curSNIdx + 1]; // logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn); - _proto.tick = function tick() { - this._tickCallCount++; + if (fragPreviousLoad && fragNextLoad.sn === fragPreviousLoad.sn) { + if (sameLevel && !fragNextLoad.backtracked) { + if (fragNextLoad.sn < levelDetails.endSN) { + var deltaPTS = fragPreviousLoad.deltaPTS; // if there is a significant delta between audio and video, larger than max allowed hole, + // and if previous remuxed fragment did not start with a keyframe. (fragPrevious.dropped) + // let's try to load previous fragment again to get last keyframe + // then we will reload again current fragment (that way we should be able to fill the buffer hole ...) - if (this._tickCallCount === 1) { - this.doTick(); // re-entrant call to tick from previous doTick call stack - // -> schedule a call on the next main loop iteration to process this task processing request + if (deltaPTS && deltaPTS > config.maxBufferHole && fragPreviousLoad.dropped && curSNIdx) { + fragNextLoad = prevSnFrag; + logger["logger"].warn('Previous fragment was dropped with large PTS gap between audio and video. Maybe fragment is not starting with a keyframe? Loading previous one to try to overcome this'); + } else { + fragNextLoad = nextSnFrag; + logger["logger"].log("Re-loading fragment with SN: " + fragNextLoad.sn); + } + } else { + fragNextLoad = null; + } + } else if (fragNextLoad.backtracked) { + // Only backtrack a max of 1 consecutive fragment to prevent sliding back too far when little or no frags start with keyframes + if (nextSnFrag && nextSnFrag.backtracked) { + logger["logger"].warn("Already backtracked from fragment " + nextSnFrag.sn + ", will not backtrack to fragment " + fragNextLoad.sn + ". Loading fragment " + nextSnFrag.sn); + fragNextLoad = nextSnFrag; + } else { + // If a fragment has dropped frames and it's in a same level/sequence, load the previous fragment to try and find the keyframe + // Reset the dropped count now since it won't be reset until we parse the fragment again, which prevents infinite backtracking on the same segment + logger["logger"].warn('Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe'); + fragNextLoad.dropped = 0; - if (this._tickCallCount > 1) { - // make sure only one timer exists at any time at max - this.clearNextTick(); - this._tickTimer = self.setTimeout(this._boundTick, 0); + if (prevSnFrag) { + fragNextLoad = prevSnFrag; + fragNextLoad.backtracked = true; + } else if (curSNIdx) { + // can't backtrack on very first fragment + fragNextLoad = null; + } + } + } } + } - this._tickCallCount = 0; - } - } - /** - * For subclass to implement task logic - * @abstract - */ - ; + return fragNextLoad; + }; - _proto.doTick = function doTick() {}; + _proto._loadKey = function _loadKey(frag) { + this.state = State.KEY_LOADING; + this.hls.trigger(events["default"].KEY_LOADING, { + frag: frag + }); + }; - return TaskLoop; -}(event_handler); + _proto._loadFragment = function _loadFragment(frag) { + // Check if fragment is not loaded + var fragState = this.fragmentTracker.getState(frag); + this.fragCurrent = frag; + if (frag.sn !== 'initSegment') { + this.startFragRequested = true; + } // Don't update nextLoadPosition for fragments which are not buffered -// CONCATENATED MODULE: ./src/controller/base-stream-controller.js + if (Object(number_isFinite["isFiniteNumber"])(frag.sn) && !frag.bitrateTest) { + this.nextLoadPosition = frag.start + frag.duration; + } // Allow backtracked fragments to load -function base_stream_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } + if (frag.backtracked || fragState === FragmentState.NOT_LOADED || fragState === FragmentState.PARTIAL) { + frag.autoLevel = this.hls.autoLevelEnabled; + frag.bitrateTest = this.bitrateTest; + this.hls.trigger(events["default"].FRAG_LOADING, { + frag: frag + }); // lazy demuxer init, as this could take some time ... do it during frag loading + if (!this.demuxer) { + this.demuxer = new demux_demuxer(this.hls, 'main'); + } + this.state = State.FRAG_LOADING; + } else if (fragState === FragmentState.APPENDING) { + // Lower the buffer size and try again + if (this._reduceMaxBufferLength(frag.duration)) { + this.fragmentTracker.removeFragment(frag); + } + } + }; + _proto.getBufferedFrag = function getBufferedFrag(position) { + return this.fragmentTracker.getBufferedFrag(position, PlaylistLevelType.MAIN); + }; -var State = { - STOPPED: 'STOPPED', - STARTING: 'STARTING', - IDLE: 'IDLE', - PAUSED: 'PAUSED', - KEY_LOADING: 'KEY_LOADING', - FRAG_LOADING: 'FRAG_LOADING', - FRAG_LOADING_WAITING_RETRY: 'FRAG_LOADING_WAITING_RETRY', - WAITING_TRACK: 'WAITING_TRACK', - PARSING: 'PARSING', - PARSED: 'PARSED', - BUFFER_FLUSHING: 'BUFFER_FLUSHING', - ENDED: 'ENDED', - ERROR: 'ERROR', - WAITING_INIT_PTS: 'WAITING_INIT_PTS', - WAITING_LEVEL: 'WAITING_LEVEL' -}; + _proto.followingBufferedFrag = function followingBufferedFrag(frag) { + if (frag) { + // try to get range of next fragment (500ms after this range) + return this.getBufferedFrag(frag.endPTS + 0.5); + } -var base_stream_controller_BaseStreamController = -/*#__PURE__*/ -function (_TaskLoop) { - base_stream_controller_inheritsLoose(BaseStreamController, _TaskLoop); + return null; + }; - function BaseStreamController() { - return _TaskLoop.apply(this, arguments) || this; - } + _proto._checkFragmentChanged = function _checkFragmentChanged() { + var fragPlayingCurrent, + currentTime, + video = this.media; - var _proto = BaseStreamController.prototype; + if (video && video.readyState && video.seeking === false) { + currentTime = video.currentTime; + /* if video element is in seeked state, currentTime can only increase. + (assuming that playback rate is positive ...) + As sometimes currentTime jumps back to zero after a + media decode error, check this, to avoid seeking back to + wrong position after a media decode error + */ - _proto.doTick = function doTick() {}; + if (currentTime > this.lastCurrentTime) { + this.lastCurrentTime = currentTime; + } - _proto.startLoad = function startLoad() {}; + if (BufferHelper.isBuffered(video, currentTime)) { + fragPlayingCurrent = this.getBufferedFrag(currentTime); + } else if (BufferHelper.isBuffered(video, currentTime + 0.1)) { + /* ensure that FRAG_CHANGED event is triggered at startup, + when first video frame is displayed and playback is paused. + add a tolerance of 100ms, in case current position is not buffered, + check if current pos+100ms is buffered and use that buffer range + for FRAG_CHANGED event reporting */ + fragPlayingCurrent = this.getBufferedFrag(currentTime + 0.1); + } - _proto.stopLoad = function stopLoad() { - var frag = this.fragCurrent; + if (fragPlayingCurrent) { + var fragPlaying = fragPlayingCurrent; - if (frag) { - if (frag.loader) { - frag.loader.abort(); - } + if (fragPlaying !== this.fragPlaying) { + this.hls.trigger(events["default"].FRAG_CHANGED, { + frag: fragPlaying + }); + var fragPlayingLevel = fragPlaying.level; - this.fragmentTracker.removeFragment(frag); - } + if (!this.fragPlaying || this.fragPlaying.level !== fragPlayingLevel) { + this.hls.trigger(events["default"].LEVEL_SWITCHED, { + level: fragPlayingLevel + }); + } - if (this.demuxer) { - this.demuxer.destroy(); - this.demuxer = null; + this.fragPlaying = fragPlaying; + } + } } + } + /* + on immediate level switch : + - pause playback if playing + - cancel any pending load request + - and trigger a buffer flush + */ + ; - this.fragCurrent = null; - this.fragPrevious = null; - this.clearInterval(); - this.clearNextTick(); - this.state = State.STOPPED; - }; + _proto.immediateLevelSwitch = function immediateLevelSwitch() { + logger["logger"].log('immediateLevelSwitch'); - _proto._streamEnded = function _streamEnded(bufferInfo, levelDetails) { - var fragCurrent = this.fragCurrent, - fragmentTracker = this.fragmentTracker; // we just got done loading the final fragment and there is no other buffered range after ... - // rationale is that in case there are any buffered ranges after, it means that there are unbuffered portion in between - // so we should not switch to ENDED in that case, to be able to buffer them - // dont switch to ENDED if we need to backtrack last fragment + if (!this.immediateSwitch) { + this.immediateSwitch = true; + var media = this.media, + previouslyPaused; - if (!levelDetails.live && fragCurrent && !fragCurrent.backtracked && fragCurrent.sn === levelDetails.endSN && !bufferInfo.nextStart) { - var fragState = fragmentTracker.getState(fragCurrent); - return fragState === FragmentState.PARTIAL || fragState === FragmentState.OK; - } + if (media) { + previouslyPaused = media.paused; + media.pause(); + } else { + // don't restart playback after instant level switch in case media not attached + previouslyPaused = true; + } - return false; - }; + this.previouslyPaused = previouslyPaused; + } - _proto.onMediaSeeking = function onMediaSeeking() { - var config = this.config, - media = this.media, - mediaBuffer = this.mediaBuffer, - state = this.state; - var currentTime = media ? media.currentTime : null; - var bufferInfo = BufferHelper.bufferInfo(mediaBuffer || media, currentTime, this.config.maxBufferHole); + var fragCurrent = this.fragCurrent; - if (Object(number_isFinite["isFiniteNumber"])(currentTime)) { - logger["logger"].log("media seeking to " + currentTime.toFixed(3)); + if (fragCurrent && fragCurrent.loader) { + fragCurrent.loader.abort(); } - if (state === State.FRAG_LOADING) { - var fragCurrent = this.fragCurrent; // check if we are seeking to a unbuffered area AND if frag loading is in progress + this.fragCurrent = null; // flush everything - if (bufferInfo.len === 0 && fragCurrent) { - var tolerance = config.maxFragLookUpTolerance; - var fragStartOffset = fragCurrent.start - tolerance; - var fragEndOffset = fragCurrent.start + fragCurrent.duration + tolerance; // check if we seek position will be out of currently loaded frag range : if out cancel frag load, if in, don't do anything + this.flushMainBuffer(0, Number.POSITIVE_INFINITY); + } + /** + * on immediate level switch end, after new fragment has been buffered: + * - nudge video decoder by slightly adjusting video currentTime (if currentTime buffered) + * - resume the playback if needed + */ + ; - if (currentTime < fragStartOffset || currentTime > fragEndOffset) { - if (fragCurrent.loader) { - logger["logger"].log('seeking outside of buffer while fragment load in progress, cancel fragment load'); - fragCurrent.loader.abort(); - } + _proto.immediateLevelSwitchEnd = function immediateLevelSwitchEnd() { + var media = this.media; - this.fragCurrent = null; - this.fragPrevious = null; // switch to IDLE state to load new fragment + if (media && media.buffered.length) { + this.immediateSwitch = false; - this.state = State.IDLE; - } else { - logger["logger"].log('seeking outside of buffer but within currently loaded fragment range'); - } + if (BufferHelper.isBuffered(media, media.currentTime)) { + // only nudge if currentTime is buffered + media.currentTime -= 0.0001; } - } else if (state === State.ENDED) { - // if seeking to unbuffered area, clean up fragPrevious - if (bufferInfo.len === 0) { - this.fragPrevious = null; - this.fragCurrent = null; - } // switch to IDLE state to check for potential new fragment - - this.state = State.IDLE; + if (!this.previouslyPaused) { + media.play(); + } } + } + /** + * try to switch ASAP without breaking video playback: + * in order to ensure smooth but quick level switching, + * we need to find the next flushable buffer range + * we should take into account new segment fetch time + */ + ; - if (media) { - this.lastCurrentTime = currentTime; - } // in case seeking occurs although no media buffered, adjust startPosition and nextLoadPosition to seek target - - - if (!this.loadedmetadata) { - this.nextLoadPosition = this.startPosition = currentTime; - } // tick to speed up processing + _proto.nextLevelSwitch = function nextLevelSwitch() { + var media = this.media; // ensure that media is defined and that metadata are available (to retrieve currentTime) + if (media && media.readyState) { + var fetchdelay, fragPlayingCurrent, nextBufferedFrag; + fragPlayingCurrent = this.getBufferedFrag(media.currentTime); - this.tick(); - }; - - _proto.onMediaEnded = function onMediaEnded() { - // reset startPosition and lastCurrentTime to restart playback @ stream beginning - this.startPosition = this.lastCurrentTime = 0; - }; - - _proto.onHandlerDestroying = function onHandlerDestroying() { - this.stopLoad(); - - _TaskLoop.prototype.onHandlerDestroying.call(this); - }; - - _proto.onHandlerDestroyed = function onHandlerDestroyed() { - this.state = State.STOPPED; - this.fragmentTracker = null; - }; + if (fragPlayingCurrent && fragPlayingCurrent.startPTS > 1) { + // flush buffer preceding current fragment (flush until current fragment start offset) + // minus 1s to avoid video freezing, that could happen if we flush keyframe of current video ... + this.flushMainBuffer(0, fragPlayingCurrent.startPTS - 1); + } - _proto.computeLivePosition = function computeLivePosition(sliding, levelDetails) { - var targetLatency = this.config.liveSyncDuration !== undefined ? this.config.liveSyncDuration : this.config.liveSyncDurationCount * levelDetails.targetduration; - return sliding + Math.max(0, levelDetails.totalduration - targetLatency); - }; + if (!media.paused) { + // add a safety delay of 1s + var nextLevelId = this.hls.nextLoadLevel, + nextLevel = this.levels[nextLevelId], + fragLastKbps = this.fragLastKbps; - return BaseStreamController; -}(TaskLoop); + if (fragLastKbps && this.fragCurrent) { + fetchdelay = this.fragCurrent.duration * nextLevel.bitrate / (1000 * fragLastKbps) + 1; + } else { + fetchdelay = 0; + } + } else { + fetchdelay = 0; + } // logger.log('fetchdelay:'+fetchdelay); + // find buffer range that will be reached once new fragment will be fetched -// CONCATENATED MODULE: ./src/controller/stream-controller.js + nextBufferedFrag = this.getBufferedFrag(media.currentTime + fetchdelay); + if (nextBufferedFrag) { + // we can flush buffer range following this one without stalling playback + nextBufferedFrag = this.followingBufferedFrag(nextBufferedFrag); + if (nextBufferedFrag) { + // if we are here, we can also cancel any loading/demuxing in progress, as they are useless + var fragCurrent = this.fragCurrent; + if (fragCurrent && fragCurrent.loader) { + fragCurrent.loader.abort(); + } + this.fragCurrent = null; // start flush position is the start PTS of next buffered frag. + // we use frag.naxStartPTS which is max(audio startPTS, video startPTS). + // in case there is a small PTS Delta between audio and video, using maxStartPTS avoids flushing last samples from current fragment + this.flushMainBuffer(nextBufferedFrag.maxStartPTS, Number.POSITIVE_INFINITY); + } + } + } + }; -function stream_controller_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } + _proto.flushMainBuffer = function flushMainBuffer(startOffset, endOffset) { + this.state = State.BUFFER_FLUSHING; + var flushScope = { + startOffset: startOffset, + endOffset: endOffset + }; // if alternate audio tracks are used, only flush video, otherwise flush everything -function stream_controller_createClass(Constructor, protoProps, staticProps) { if (protoProps) stream_controller_defineProperties(Constructor.prototype, protoProps); if (staticProps) stream_controller_defineProperties(Constructor, staticProps); return Constructor; } + if (this.altAudio) { + flushScope.type = 'video'; + } -function stream_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } + this.hls.trigger(events["default"].BUFFER_FLUSHING, flushScope); + }; -/* - * Stream Controller -*/ + _proto.onMediaAttached = function onMediaAttached(data) { + var media = this.media = this.mediaBuffer = data.media; + this.onvseeking = this.onMediaSeeking.bind(this); + this.onvseeked = this.onMediaSeeked.bind(this); + this.onvended = this.onMediaEnded.bind(this); + media.addEventListener('seeking', this.onvseeking); + media.addEventListener('seeked', this.onvseeked); + media.addEventListener('ended', this.onvended); + var config = this.config; + if (this.levels && config.autoStartLoad) { + this.hls.startLoad(config.startPosition); + } + this.gapController = new gap_controller_GapController(config, media, this.fragmentTracker, this.hls); + }; + _proto.onMediaDetaching = function onMediaDetaching() { + var media = this.media; + if (media && media.ended) { + logger["logger"].log('MSE detaching and video ended, reset startPosition'); + this.startPosition = this.lastCurrentTime = 0; + } // reset fragment backtracked flag + var levels = this.levels; + if (levels) { + levels.forEach(function (level) { + if (level.details) { + level.details.fragments.forEach(function (fragment) { + fragment.backtracked = undefined; + }); + } + }); + } // remove video listeners + if (media) { + media.removeEventListener('seeking', this.onvseeking); + media.removeEventListener('seeked', this.onvseeked); + media.removeEventListener('ended', this.onvended); + this.onvseeking = this.onvseeked = this.onvended = null; + } + this.fragmentTracker.removeAllFragments(); + this.media = this.mediaBuffer = null; + this.loadedmetadata = false; + this.stopLoad(); + }; + _proto.onMediaSeeked = function onMediaSeeked() { + var media = this.media; + var currentTime = media ? media.currentTime : undefined; + var seekWithinTolerance = this.config.seekWithinTolerance; // We are not firing Event.CAN_PLAY_AFTER_SEEK only if we are seeking again to reach buffered fragment. + if (!seekWithinTolerance || !this.gapController.seekWithinToleranceIfNeeded()) { + this.hls.trigger(events["default"].CAN_PLAY_AFTER_SEEK); + } + if (Object(number_isFinite["isFiniteNumber"])(currentTime)) { + logger["logger"].log("media seeked to " + currentTime.toFixed(3)); + } // tick to speed up FRAGMENT_PLAYING triggering -var TICK_INTERVAL = 100; // how often to tick in ms + this.tick(); + }; -var stream_controller_StreamController = -/*#__PURE__*/ -function (_BaseStreamController) { - stream_controller_inheritsLoose(StreamController, _BaseStreamController); + _proto.onManifestLoading = function onManifestLoading() { + // reset buffer on manifest loading + logger["logger"].log('trigger BUFFER_RESET'); + this.hls.trigger(events["default"].BUFFER_RESET); + this.fragmentTracker.removeAllFragments(); + this.stalled = false; + this.startPosition = this.lastCurrentTime = 0; + }; - function StreamController(hls, fragmentTracker) { - var _this; + _proto.onManifestParsed = function onManifestParsed(data) { + var aac = false, + heaac = false, + codec; + data.levels.forEach(function (level) { + // detect if we have different kind of audio codecs used amongst playlists + codec = level.audioCodec; - _this = _BaseStreamController.call(this, hls, events["default"].MEDIA_ATTACHED, events["default"].MEDIA_DETACHING, events["default"].MANIFEST_LOADING, events["default"].MANIFEST_PARSED, events["default"].LEVEL_LOADED, events["default"].KEY_LOADED, events["default"].FRAG_LOADED, events["default"].FRAG_LOAD_EMERGENCY_ABORTED, events["default"].FRAG_PARSING_INIT_SEGMENT, events["default"].FRAG_PARSING_DATA, events["default"].FRAG_PARSED, events["default"].ERROR, events["default"].AUDIO_TRACK_SWITCHING, events["default"].AUDIO_TRACK_SWITCHED, events["default"].BUFFER_CREATED, events["default"].BUFFER_APPENDED, events["default"].BUFFER_FLUSHED) || this; - _this.fragmentTracker = fragmentTracker; - _this.config = hls.config; - _this.audioCodecSwap = false; - _this._state = State.STOPPED; - _this.stallReported = false; - _this.gapController = null; - _this.altAudio = false; - return _this; - } + if (codec) { + if (codec.indexOf('mp4a.40.2') !== -1) { + aac = true; + } - var _proto = StreamController.prototype; + if (codec.indexOf('mp4a.40.5') !== -1) { + heaac = true; + } + } + }); + this.audioCodecSwitch = aac && heaac; - _proto.startLoad = function startLoad(startPosition) { - if (this.levels) { - var lastCurrentTime = this.lastCurrentTime, - hls = this.hls; - this.stopLoad(); - this.setInterval(TICK_INTERVAL); - this.level = -1; - this.fragLoadError = 0; + if (this.audioCodecSwitch) { + logger["logger"].log('both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC'); + } - if (!this.startFragRequested) { - // determine load level - var startLevel = hls.startLevel; + this.altAudio = data.altAudio; + this.levels = data.levels; + this.startFragRequested = false; + var config = this.config; - if (startLevel === -1) { - // -1 : guess start Level by doing a bitrate test by loading first fragment of lowest quality level - startLevel = 0; - this.bitrateTest = true; - } // set new level to playlist loader : this will trigger start level load - // hls.nextLoadLevel remains until it is set to a new value or until a new frag is successfully loaded + if (config.autoStartLoad || this.forceStartLoad) { + this.hls.startLoad(config.startPosition); + } + }; + _proto.onLevelLoaded = function onLevelLoaded(data) { + var newDetails = data.details; + var newLevelId = data.level; + var lastLevel = this.levels[this.levelLastLoaded]; + var curLevel = this.levels[newLevelId]; + var duration = newDetails.totalduration; + var sliding = 0; + logger["logger"].log("level " + newLevelId + " loaded [" + newDetails.startSN + "," + newDetails.endSN + "],duration:" + duration); - this.level = hls.nextLoadLevel = startLevel; - this.loadedmetadata = false; - } // if startPosition undefined but lastCurrentTime set, set startPosition to last currentTime + if (newDetails.live) { + var curDetails = curLevel.details; + if (curDetails && newDetails.fragments.length > 0) { + // we already have details for that level, merge them + mergeDetails(curDetails, newDetails); + sliding = newDetails.fragments[0].start; + this.liveSyncPosition = this.computeLivePosition(sliding, curDetails); - if (lastCurrentTime > 0 && startPosition === -1) { - logger["logger"].log("override startPosition with lastCurrentTime @" + lastCurrentTime.toFixed(3)); - startPosition = lastCurrentTime; + if (newDetails.PTSKnown && Object(number_isFinite["isFiniteNumber"])(sliding)) { + logger["logger"].log("live playlist sliding:" + sliding.toFixed(3)); + } else { + logger["logger"].log('live playlist - outdated PTS, unknown sliding'); + alignStream(this.fragPrevious, lastLevel, newDetails); + } + } else { + logger["logger"].log('live playlist - first load, unknown sliding'); + newDetails.PTSKnown = false; + alignStream(this.fragPrevious, lastLevel, newDetails); } - - this.state = State.IDLE; - this.nextLoadPosition = this.startPosition = this.lastCurrentTime = startPosition; - this.tick(); } else { - this.forceStartLoad = true; - this.state = State.STOPPED; - } - }; + newDetails.PTSKnown = false; + } // override level info - _proto.stopLoad = function stopLoad() { - this.forceStartLoad = false; - _BaseStreamController.prototype.stopLoad.call(this); - }; + curLevel.details = newDetails; + this.levelLastLoaded = newLevelId; + this.hls.trigger(events["default"].LEVEL_UPDATED, { + details: newDetails, + level: newLevelId + }); - _proto.doTick = function doTick() { - switch (this.state) { - case State.BUFFER_FLUSHING: - // in buffer flushing state, reset fragLoadError counter - this.fragLoadError = 0; - break; + if (this.startFragRequested === false) { + // compute start position if set to -1. use it straight away if value is defined + if (this.startPosition === -1 || this.lastCurrentTime === -1) { + // first, check if start time offset has been set in playlist, if yes, use this value + var startTimeOffset = newDetails.startTimeOffset; - case State.IDLE: - this._doTickIdle(); + if (Object(number_isFinite["isFiniteNumber"])(startTimeOffset)) { + if (startTimeOffset < 0) { + logger["logger"].log("negative start time offset " + startTimeOffset + ", count from end of last fragment"); + startTimeOffset = sliding + duration + startTimeOffset; + } - break; + logger["logger"].log("start time offset found in playlist, adjust startPosition to " + startTimeOffset); + this.startPosition = startTimeOffset; + } else { + // if live playlist, set start position to be fragment N-this.config.liveSyncDurationCount (usually 3) + if (newDetails.live) { + this.startPosition = this.computeLivePosition(sliding, newDetails); + logger["logger"].log("configure startPosition to " + this.startPosition); + } else { + this.startPosition = 0; + } + } - case State.WAITING_LEVEL: - var level = this.levels[this.level]; // check if playlist is already loaded + this.lastCurrentTime = this.startPosition; + } - if (level && level.details) { - this.state = State.IDLE; - } + this.nextLoadPosition = this.startPosition; + } // only switch batck to IDLE state if we were waiting for level to start downloading a new fragment - break; - case State.FRAG_LOADING_WAITING_RETRY: - var now = window.performance.now(); - var retryDate = this.retryDate; // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading + if (this.state === State.WAITING_LEVEL) { + this.state = State.IDLE; + } // trigger handler right now - if (!retryDate || now >= retryDate || this.media && this.media.seeking) { - logger["logger"].log('mediaController: retryDate reached, switch back to IDLE state'); - this.state = State.IDLE; - } - break; + this.tick(); + }; - case State.ERROR: - case State.STOPPED: - case State.FRAG_LOADING: - case State.PARSING: - case State.PARSED: - case State.ENDED: - break; + _proto.onKeyLoaded = function onKeyLoaded() { + if (this.state === State.KEY_LOADING) { + this.state = State.IDLE; + this.tick(); + } + }; - default: - break; - } // check buffer + _proto.onFragLoaded = function onFragLoaded(data) { + var fragCurrent = this.fragCurrent, + hls = this.hls, + levels = this.levels, + media = this.media; + var fragLoaded = data.frag; + if (this.state === State.FRAG_LOADING && fragCurrent && fragLoaded.type === 'main' && fragLoaded.level === fragCurrent.level && fragLoaded.sn === fragCurrent.sn) { + var stats = data.stats; + var currentLevel = levels[fragCurrent.level]; + var details = currentLevel.details; // reset frag bitrate test in any case after frag loaded event + // if this frag was loaded to perform a bitrate test AND if hls.nextLoadLevel is greater than 0 + // then this means that we should be able to load a fragment at a higher quality level - this._checkBuffer(); // check/update current fragment + this.bitrateTest = false; + this.stats = stats; + logger["logger"].log("Loaded " + fragCurrent.sn + " of [" + details.startSN + " ," + details.endSN + "],level " + fragCurrent.level); + if (fragLoaded.bitrateTest && hls.nextLoadLevel) { + // switch back to IDLE state ... we just loaded a fragment to determine adequate start bitrate and initialize autoswitch algo + this.state = State.IDLE; + this.startFragRequested = false; + stats.tparsed = stats.tbuffered = window.performance.now(); + hls.trigger(events["default"].FRAG_BUFFERED, { + stats: stats, + frag: fragCurrent, + id: 'main' + }); + this.tick(); + } else if (fragLoaded.sn === 'initSegment') { + this.state = State.IDLE; + stats.tparsed = stats.tbuffered = window.performance.now(); + details.initSegment.data = data.payload; + hls.trigger(events["default"].FRAG_BUFFERED, { + stats: stats, + frag: fragCurrent, + id: 'main' + }); + this.tick(); + } else { + logger["logger"].log("Parsing " + fragCurrent.sn + " of [" + details.startSN + " ," + details.endSN + "],level " + fragCurrent.level + ", cc " + fragCurrent.cc); + this.state = State.PARSING; + this.pendingBuffering = true; + this.appended = false; // Bitrate test frags are not usually buffered so the fragment tracker ignores them. If Hls.js decides to buffer + // it (and therefore ends up at this line), then the fragment tracker needs to be manually informed. - this._checkFragmentChanged(); - } // Ironically the "idle" state is the on we do the most logic in it seems .... - // NOTE: Maybe we could rather schedule a check for buffer length after half of the currently - // played segment, or on pause/play/seek instead of naively checking every 100ms? - ; + if (fragLoaded.bitrateTest) { + fragLoaded.bitrateTest = false; + this.fragmentTracker.onFragLoaded({ + frag: fragLoaded + }); + } // time Offset is accurate if level PTS is known, or if playlist is not sliding (not live) and if media is not seeking (this is to overcome potential timestamp drifts between playlists and fragments) - _proto._doTickIdle = function _doTickIdle() { - var hls = this.hls, - config = hls.config, - media = this.media; // if start level not parsed yet OR - // if video not attached AND start fragment already requested OR start frag prefetch disable - // exit loop, as we either need more info (level not parsed) or we need media to be attached to load new fragment - if (this.levelLastLoaded === undefined || !media && (this.startFragRequested || !config.startFragPrefetch)) { - return; - } // if we have not yet loaded any fragment, start loading from start position + var accurateTimeOffset = !(media && media.seeking) && (details.PTSKnown || !details.live); + var initSegmentData = details.initSegment ? details.initSegment.data : []; + var audioCodec = this._getAudioCodec(currentLevel); // transmux the MPEG-TS data to ISO-BMFF segments - var pos; - if (this.loadedmetadata) { - pos = media.currentTime; - } else { - pos = this.nextLoadPosition; - } // determine next load level + var demuxer = this.demuxer = this.demuxer || new demux_demuxer(this.hls, 'main'); + demuxer.push(data.payload, initSegmentData, audioCodec, currentLevel.videoCodec, fragCurrent, details.totalduration, accurateTimeOffset); + } + } + this.fragLoadError = 0; + }; - var level = hls.nextLoadLevel, - levelInfo = this.levels[level]; + _proto.onFragParsingInitSegment = function onFragParsingInitSegment(data) { + var fragCurrent = this.fragCurrent; + var fragNew = data.frag; - if (!levelInfo) { - return; - } + if (fragCurrent && data.id === 'main' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === State.PARSING) { + var tracks = data.tracks, + trackName, + track; // if audio track is expected to come from audio stream controller, discard any coming from main - var levelBitrate = levelInfo.bitrate, - maxBufLen; // compute max Buffer Length that we could get from this load level, based on level bitrate. + if (tracks.audio && this.altAudio) { + delete tracks.audio; + } // include levelCodec in audio and video tracks - if (levelBitrate) { - maxBufLen = Math.max(8 * config.maxBufferSize / levelBitrate, config.maxBufferLength); - } else { - maxBufLen = config.maxBufferLength; - } - maxBufLen = Math.min(maxBufLen, config.maxMaxBufferLength); // determine next candidate fragment to be loaded, based on current position and end of buffer position - // ensure up to `config.maxMaxBufferLength` of buffer upfront + track = tracks.audio; - var bufferInfo = BufferHelper.bufferInfo(this.mediaBuffer ? this.mediaBuffer : media, pos, config.maxBufferHole), - bufferLen = bufferInfo.len; // Stay idle if we are still with buffer margins + if (track) { + var audioCodec = this.levels[this.level].audioCodec, + ua = navigator.userAgent.toLowerCase(); - if (bufferLen >= maxBufLen) { - return; - } // if buffer length is less than maxBufLen try to load a new fragment ... + if (audioCodec && this.audioCodecSwap) { + logger["logger"].log('swapping playlist audio codec'); + if (audioCodec.indexOf('mp4a.40.5') !== -1) { + audioCodec = 'mp4a.40.2'; + } else { + audioCodec = 'mp4a.40.5'; + } + } // in case AAC and HE-AAC audio codecs are signalled in manifest + // force HE-AAC , as it seems that most browsers prefers that way, + // except for mono streams OR on FF + // these conditions might need to be reviewed ... - logger["logger"].trace("buffer length of " + bufferLen.toFixed(3) + " is below max of " + maxBufLen.toFixed(3) + ". checking for more payload ..."); // set next load level : this will trigger a playlist load if needed - this.level = hls.nextLoadLevel = level; - var levelDetails = levelInfo.details; // if level info not retrieved yet, switch state and wait for level retrieval - // if live playlist, ensure that new playlist has been refreshed to avoid loading/try to load - // a useless and outdated fragment (that might even introduce load error if it is already out of the live playlist) + if (this.audioCodecSwitch) { + // don't force HE-AAC if mono stream + if (track.metadata.channelCount !== 1 && // don't force HE-AAC if firefox + ua.indexOf('firefox') === -1) { + audioCodec = 'mp4a.40.5'; + } + } // HE-AAC is broken on Android, always signal audio codec as AAC even if variant manifest states otherwise - if (!levelDetails || levelDetails.live && this.levelLastLoaded !== level) { - this.state = State.WAITING_LEVEL; - return; - } - if (this._streamEnded(bufferInfo, levelDetails)) { - var data = {}; + if (ua.indexOf('android') !== -1 && track.container !== 'audio/mpeg') { + // Exclude mpeg audio + audioCodec = 'mp4a.40.2'; + logger["logger"].log("Android: force audio codec to " + audioCodec); + } - if (this.altAudio) { - data.type = 'video'; + track.levelCodec = audioCodec; + track.id = data.id; } - this.hls.trigger(events["default"].BUFFER_EOS, data); - this.state = State.ENDED; - return; - } // if we have the levelDetails for the selected variant, lets continue enrichen our stream (load keys/fragments or trigger EOS, etc..) + track = tracks.video; + if (track) { + track.levelCodec = this.levels[this.level].videoCodec; + track.id = data.id; + } - this._fetchPayloadOrEos(pos, bufferInfo, levelDetails); - }; + this.hls.trigger(events["default"].BUFFER_CODECS, tracks); // loop through tracks that are going to be provided to bufferController - _proto._fetchPayloadOrEos = function _fetchPayloadOrEos(pos, bufferInfo, levelDetails) { - var fragPrevious = this.fragPrevious, - level = this.level, - fragments = levelDetails.fragments, - fragLen = fragments.length; // empty playlist + for (trackName in tracks) { + track = tracks[trackName]; + logger["logger"].log("main track:" + trackName + ",container:" + track.container + ",codecs[level/parsed]=[" + track.levelCodec + "/" + track.codec + "]"); + var initSegment = track.initSegment; - if (fragLen === 0) { - return; - } // find fragment index, contiguous with end of buffer position + if (initSegment) { + this.appended = true; // arm pending Buffering flag before appending a segment + this.pendingBuffering = true; + this.hls.trigger(events["default"].BUFFER_APPENDING, { + type: trackName, + data: initSegment, + parent: 'main', + content: 'initSegment' + }); + } + } // trigger handler right now - var start = fragments[0].start, - end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration, - bufferEnd = bufferInfo.end, - frag; - if (levelDetails.initSegment && !levelDetails.initSegment.data) { - frag = levelDetails.initSegment; - } else { - // in case of live playlist we need to ensure that requested position is not located before playlist start - if (levelDetails.live) { - var initialLiveManifestSize = this.config.initialLiveManifestSize; - - if (fragLen < initialLiveManifestSize) { - logger["logger"].warn("Can not start playback of a level, reason: not enough fragments " + fragLen + " < " + initialLiveManifestSize); - return; - } + this.tick(); + } + }; - frag = this._ensureFragmentAtLivePoint(levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen); // if it explicitely returns null don't load any fragment and exit function now + _proto.onFragParsingData = function onFragParsingData(data) { + var _this2 = this; - if (frag === null) { - return; - } - } else { - // VoD playlist: if bufferEnd before start of playlist, load first fragment - if (bufferEnd < start) { - frag = fragments[0]; - } - } - } + var fragCurrent = this.fragCurrent; + var fragNew = data.frag; - if (!frag) { - frag = this._findFragment(start, fragPrevious, fragLen, fragments, bufferEnd, end, levelDetails); - } + if (fragCurrent && data.id === 'main' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && !(data.type === 'audio' && this.altAudio) && // filter out main audio if audio track is loaded through audio stream controller + this.state === State.PARSING) { + var level = this.levels[this.level], + frag = fragCurrent; - if (frag) { - if (frag.encrypted) { - logger["logger"].log("Loading key for " + frag.sn + " of [" + levelDetails.startSN + " ," + levelDetails.endSN + "],level " + level); + if (!Object(number_isFinite["isFiniteNumber"])(data.endPTS)) { + data.endPTS = data.startPTS + fragCurrent.duration; + data.endDTS = data.startDTS + fragCurrent.duration; + } - this._loadKey(frag); - } else { - logger["logger"].log("Loading " + frag.sn + " of [" + levelDetails.startSN + " ," + levelDetails.endSN + "],level " + level + ", currentTime:" + pos.toFixed(3) + ",bufferEnd:" + bufferEnd.toFixed(3)); + if (data.hasAudio === true) { + frag.addElementaryStream(ElementaryStreamTypes.AUDIO); + } - this._loadFragment(frag); + if (data.hasVideo === true) { + frag.addElementaryStream(ElementaryStreamTypes.VIDEO); } - } - }; - _proto._ensureFragmentAtLivePoint = function _ensureFragmentAtLivePoint(levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen) { - var config = this.hls.config, - media = this.media; - var frag; // check if requested position is within seekable boundaries : - // logger.log(`start/pos/bufEnd/seeking:${start.toFixed(3)}/${pos.toFixed(3)}/${bufferEnd.toFixed(3)}/${this.media.seeking}`); + logger["logger"].log("Parsed " + data.type + ",PTS:[" + data.startPTS.toFixed(3) + "," + data.endPTS.toFixed(3) + "],DTS:[" + data.startDTS.toFixed(3) + "/" + data.endDTS.toFixed(3) + "],nb:" + data.nb + ",dropped:" + (data.dropped || 0)); // Detect gaps in a fragment and try to fix it by finding a keyframe in the previous fragment (see _findFragments) - var maxLatency = config.liveMaxLatencyDuration !== undefined ? config.liveMaxLatencyDuration : config.liveMaxLatencyDurationCount * levelDetails.targetduration; + if (data.type === 'video') { + frag.dropped = data.dropped; - if (bufferEnd < Math.max(start - config.maxFragLookUpTolerance, end - maxLatency)) { - var liveSyncPosition = this.liveSyncPosition = this.computeLivePosition(start, levelDetails); - bufferEnd = liveSyncPosition; + if (frag.dropped) { + if (!frag.backtracked) { + var levelDetails = level.details; - if (media && !media.paused && media.readyState && media.duration > liveSyncPosition && liveSyncPosition > media.currentTime) { - logger["logger"].log("buffer end: " + bufferEnd.toFixed(3) + " is located too far from the end of live sliding playlist, reset currentTime to : " + liveSyncPosition.toFixed(3)); - media.currentTime = liveSyncPosition; + if (levelDetails && frag.sn === levelDetails.startSN) { + logger["logger"].warn('missing video frame(s) on first frag, appending with gap', frag.sn); + } else { + logger["logger"].warn('missing video frame(s), backtracking fragment', frag.sn); // Return back to the IDLE state without appending to buffer + // Causes findFragments to backtrack a segment and find the keyframe + // Audio fragments arriving before video sets the nextLoadPosition, causing _findFragments to skip the backtracked fragment + + this.fragmentTracker.removeFragment(frag); + frag.backtracked = true; + this.nextLoadPosition = data.startPTS; + this.state = State.IDLE; + this.fragPrevious = frag; + this.tick(); + return; + } + } else { + logger["logger"].warn('Already backtracked on this fragment, appending with the gap', frag.sn); + } + } else { + // Only reset the backtracked flag if we've loaded the frag without any dropped frames + frag.backtracked = false; + } } - this.nextLoadPosition = liveSyncPosition; - } // if end of buffer greater than live edge, don't load any fragment - // this could happen if live playlist intermittently slides in the past. - // level 1 loaded [182580161,182580167] - // level 1 loaded [182580162,182580169] - // Loading 182580168 of [182580162 ,182580169],level 1 .. - // Loading 182580169 of [182580162 ,182580169],level 1 .. - // level 1 loaded [182580162,182580168] <============= here we should have bufferEnd > end. in that case break to avoid reloading 182580168 - // level 1 loaded [182580164,182580171] - // - // don't return null in case media not loaded yet (readystate === 0) + var drift = updateFragPTSDTS(level.details, frag, data.startPTS, data.endPTS, data.startDTS, data.endDTS), + hls = this.hls; + hls.trigger(events["default"].LEVEL_PTS_UPDATED, { + details: level.details, + level: this.level, + drift: drift, + type: data.type, + start: data.startPTS, + end: data.endPTS + }); // has remuxer dropped video frames located before first keyframe ? + [data.data1, data.data2].forEach(function (buffer) { + // only append in PARSING state (rationale is that an appending error could happen synchronously on first segment appending) + // in that case it is useless to append following segments + if (buffer && buffer.length && _this2.state === State.PARSING) { + _this2.appended = true; // arm pending Buffering flag before appending a segment - if (levelDetails.PTSKnown && bufferEnd > end && media && media.readyState) { - return null; + _this2.pendingBuffering = true; + hls.trigger(events["default"].BUFFER_APPENDING, { + type: data.type, + data: buffer, + parent: 'main', + content: 'data' + }); + } + }); // trigger handler right now + + this.tick(); } + }; - if (this.startFragRequested && !levelDetails.PTSKnown) { - /* we are switching level on live playlist, but we don't have any PTS info for that quality level ... - try to load frag matching with next SN. - even if SN are not synchronized between playlists, loading this frag will help us - compute playlist sliding and find the right one after in case it was not the right consecutive one */ - if (fragPrevious) { - if (levelDetails.hasProgramDateTime) { - // Relies on PDT in order to switch bitrates (Support EXT-X-DISCONTINUITY without EXT-X-DISCONTINUITY-SEQUENCE) - logger["logger"].log("live playlist, switching playlist, load frag with same PDT: " + fragPrevious.programDateTime); - frag = findFragmentByPDT(fragments, fragPrevious.endProgramDateTime, config.maxFragLookUpTolerance); - } else { - // Uses buffer and sequence number to calculate switch segment (required if using EXT-X-DISCONTINUITY-SEQUENCE) - var targetSN = fragPrevious.sn + 1; + _proto.onFragParsed = function onFragParsed(data) { + var fragCurrent = this.fragCurrent; + var fragNew = data.frag; - if (targetSN >= levelDetails.startSN && targetSN <= levelDetails.endSN) { - var fragNext = fragments[targetSN - levelDetails.startSN]; + if (fragCurrent && data.id === 'main' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === State.PARSING) { + this.stats.tparsed = window.performance.now(); + this.state = State.PARSED; - if (fragPrevious.cc === fragNext.cc) { - frag = fragNext; - logger["logger"].log("live playlist, switching playlist, load frag with next SN: " + frag.sn); - } - } // next frag SN not available (or not with same continuity counter) - // look for a frag sharing the same CC + this._checkAppendedParsed(); + } + }; + _proto.onAudioTrackSwitching = function onAudioTrackSwitching(data) { + // if any URL found on new audio track, it is an alternate audio track + var altAudio = !!data.url, + trackId = data.id; // if we switch on main audio, ensure that main fragment scheduling is synced with media.buffered + // don't do anything if we switch to alt audio: audio stream controller is handling it. + // we will just have to change buffer scheduling on audioTrackSwitched - if (!frag) { - frag = binary_search.search(fragments, function (frag) { - return fragPrevious.cc - frag.cc; - }); + if (!altAudio) { + if (this.mediaBuffer !== this.media) { + logger["logger"].log('switching on main audio, use media.buffered to schedule main fragment loading'); + this.mediaBuffer = this.media; + var fragCurrent = this.fragCurrent; // we need to refill audio buffer from main: cancel any frag loading to speed up audio switch - if (frag) { - logger["logger"].log("live playlist, switching playlist, load frag with same CC: " + frag.sn); - } - } + if (fragCurrent.loader) { + logger["logger"].log('switching to main audio track, cancel main fragment load'); + fragCurrent.loader.abort(); } - } - if (!frag) { - /* we have no idea about which fragment should be loaded. - so let's load mid fragment. it will help computing playlist sliding and find the right one - */ - frag = fragments[Math.min(fragLen - 1, Math.round(fragLen / 2))]; - logger["logger"].log("live playlist, switching playlist, unknown, load middle frag : " + frag.sn); + this.fragCurrent = null; + this.fragPrevious = null; // destroy demuxer to force init segment generation (following audio switch) + + if (this.demuxer) { + this.demuxer.destroy(); + this.demuxer = null; + } // switch to IDLE state to load new fragment + + + this.state = State.IDLE; } - } - return frag; + var hls = this.hls; // switching to main audio, flush all audio and trigger track switched + + hls.trigger(events["default"].BUFFER_FLUSHING, { + startOffset: 0, + endOffset: Number.POSITIVE_INFINITY, + type: 'audio' + }); + hls.trigger(events["default"].AUDIO_TRACK_SWITCHED, { + id: trackId + }); + this.altAudio = false; + } }; - _proto._findFragment = function _findFragment(start, fragPreviousLoad, fragmentIndexRange, fragments, bufferEnd, end, levelDetails) { - var config = this.hls.config; - var fragNextLoad; + _proto.onAudioTrackSwitched = function onAudioTrackSwitched(data) { + var trackId = data.id, + altAudio = !!this.hls.audioTracks[trackId].url; - if (bufferEnd < end) { - var lookupTolerance = bufferEnd > end - config.maxFragLookUpTolerance ? 0 : config.maxFragLookUpTolerance; // Remove the tolerance if it would put the bufferEnd past the actual end of stream - // Uses buffer and sequence number to calculate switch segment (required if using EXT-X-DISCONTINUITY-SEQUENCE) + if (altAudio) { + var videoBuffer = this.videoBuffer; // if we switched on alternate audio, ensure that main fragment scheduling is synced with video sourcebuffer buffered - fragNextLoad = findFragmentByPTS(fragPreviousLoad, fragments, bufferEnd, lookupTolerance); - } else { - // reach end of playlist - fragNextLoad = fragments[fragmentIndexRange - 1]; + if (videoBuffer && this.mediaBuffer !== videoBuffer) { + logger["logger"].log('switching on alternate audio, use video.buffered to schedule main fragment loading'); + this.mediaBuffer = videoBuffer; + } } - if (fragNextLoad) { - var curSNIdx = fragNextLoad.sn - levelDetails.startSN; - var sameLevel = fragPreviousLoad && fragNextLoad.level === fragPreviousLoad.level; - var prevSnFrag = fragments[curSNIdx - 1]; - var nextSnFrag = fragments[curSNIdx + 1]; // logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn); + this.altAudio = altAudio; + this.tick(); + }; - if (fragPreviousLoad && fragNextLoad.sn === fragPreviousLoad.sn) { - if (sameLevel && !fragNextLoad.backtracked) { - if (fragNextLoad.sn < levelDetails.endSN) { - var deltaPTS = fragPreviousLoad.deltaPTS; // if there is a significant delta between audio and video, larger than max allowed hole, - // and if previous remuxed fragment did not start with a keyframe. (fragPrevious.dropped) - // let's try to load previous fragment again to get last keyframe - // then we will reload again current fragment (that way we should be able to fill the buffer hole ...) + _proto.onBufferCreated = function onBufferCreated(data) { + var tracks = data.tracks, + mediaTrack, + name, + alternate = false; - if (deltaPTS && deltaPTS > config.maxBufferHole && fragPreviousLoad.dropped && curSNIdx) { - fragNextLoad = prevSnFrag; - logger["logger"].warn('Previous fragment was dropped with large PTS gap between audio and video. Maybe fragment is not starting with a keyframe? Loading previous one to try to overcome this'); - } else { - fragNextLoad = nextSnFrag; - logger["logger"].log("Re-loading fragment with SN: " + fragNextLoad.sn); - } - } else { - fragNextLoad = null; - } - } else if (fragNextLoad.backtracked) { - // Only backtrack a max of 1 consecutive fragment to prevent sliding back too far when little or no frags start with keyframes - if (nextSnFrag && nextSnFrag.backtracked) { - logger["logger"].warn("Already backtracked from fragment " + nextSnFrag.sn + ", will not backtrack to fragment " + fragNextLoad.sn + ". Loading fragment " + nextSnFrag.sn); - fragNextLoad = nextSnFrag; - } else { - // If a fragment has dropped frames and it's in a same level/sequence, load the previous fragment to try and find the keyframe - // Reset the dropped count now since it won't be reset until we parse the fragment again, which prevents infinite backtracking on the same segment - logger["logger"].warn('Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe'); - fragNextLoad.dropped = 0; + for (var type in tracks) { + var track = tracks[type]; - if (prevSnFrag) { - fragNextLoad = prevSnFrag; - fragNextLoad.backtracked = true; - } else if (curSNIdx) { - // can't backtrack on very first fragment - fragNextLoad = null; - } - } + if (track.id === 'main') { + name = type; + mediaTrack = track; // keep video source buffer reference + + if (type === 'video') { + this.videoBuffer = tracks[type].buffer; } + } else { + alternate = true; } } - return fragNextLoad; - }; - - _proto._loadKey = function _loadKey(frag) { - this.state = State.KEY_LOADING; - this.hls.trigger(events["default"].KEY_LOADING, { - frag: frag - }); + if (alternate && mediaTrack) { + logger["logger"].log("alternate track found, use " + name + ".buffered to schedule main fragment loading"); + this.mediaBuffer = mediaTrack.buffer; + } else { + this.mediaBuffer = this.media; + } }; - _proto._loadFragment = function _loadFragment(frag) { - // Check if fragment is not loaded - var fragState = this.fragmentTracker.getState(frag); - this.fragCurrent = frag; - - if (frag.sn !== 'initSegment') { - this.startFragRequested = true; - } // Don't update nextLoadPosition for fragments which are not buffered + _proto.onBufferAppended = function onBufferAppended(data) { + if (data.parent === 'main') { + var state = this.state; + if (state === State.PARSING || state === State.PARSED) { + // check if all buffers have been appended + this.pendingBuffering = data.pending > 0; - if (Object(number_isFinite["isFiniteNumber"])(frag.sn) && !frag.bitrateTest) { - this.nextLoadPosition = frag.start + frag.duration; - } // Allow backtracked fragments to load + this._checkAppendedParsed(); + } + } + }; + _proto._checkAppendedParsed = function _checkAppendedParsed() { + // trigger handler right now + if (this.state === State.PARSED && (!this.appended || !this.pendingBuffering)) { + var frag = this.fragCurrent; - if (frag.backtracked || fragState === FragmentState.NOT_LOADED || fragState === FragmentState.PARTIAL) { - frag.autoLevel = this.hls.autoLevelEnabled; - frag.bitrateTest = this.bitrateTest; - this.hls.trigger(events["default"].FRAG_LOADING, { - frag: frag - }); // lazy demuxer init, as this could take some time ... do it during frag loading + if (frag) { + var media = this.mediaBuffer ? this.mediaBuffer : this.media; + logger["logger"].log("main buffered : " + time_ranges.toString(media.buffered)); + this.fragPrevious = frag; + var stats = this.stats; + stats.tbuffered = window.performance.now(); // we should get rid of this.fragLastKbps - if (!this.demuxer) { - this.demuxer = new demux_demuxer(this.hls, 'main'); + this.fragLastKbps = Math.round(8 * stats.total / (stats.tbuffered - stats.tfirst)); + this.hls.trigger(events["default"].FRAG_BUFFERED, { + stats: stats, + frag: frag, + id: 'main' + }); + this.state = State.IDLE; } - this.state = State.FRAG_LOADING; - } else if (fragState === FragmentState.APPENDING) { - // Lower the buffer size and try again - if (this._reduceMaxBufferLength(frag.duration)) { - this.fragmentTracker.removeFragment(frag); - } + this.tick(); } }; - _proto.getBufferedFrag = function getBufferedFrag(position) { - return this.fragmentTracker.getBufferedFrag(position, PlaylistLevelType.MAIN); - }; + _proto.onError = function onError(data) { + var frag = data.frag || this.fragCurrent; // don't handle frag error not related to main fragment - _proto.followingBufferedFrag = function followingBufferedFrag(frag) { - if (frag) { - // try to get range of next fragment (500ms after this range) - return this.getBufferedFrag(frag.endPTS + 0.5); - } + if (frag && frag.type !== 'main') { + return; + } // 0.5 : tolerance needed as some browsers stalls playback before reaching buffered end - return null; - }; - _proto._checkFragmentChanged = function _checkFragmentChanged() { - var fragPlayingCurrent, - currentTime, - video = this.media; + var mediaBuffered = !!this.media && BufferHelper.isBuffered(this.media, this.media.currentTime) && BufferHelper.isBuffered(this.media, this.media.currentTime + 0.5); - if (video && video.readyState && video.seeking === false) { - currentTime = video.currentTime; - /* if video element is in seeked state, currentTime can only increase. - (assuming that playback rate is positive ...) - As sometimes currentTime jumps back to zero after a - media decode error, check this, to avoid seeking back to - wrong position after a media decode error - */ + switch (data.details) { + case errors["ErrorDetails"].FRAG_LOAD_ERROR: + case errors["ErrorDetails"].FRAG_LOAD_TIMEOUT: + case errors["ErrorDetails"].KEY_LOAD_ERROR: + case errors["ErrorDetails"].KEY_LOAD_TIMEOUT: + if (!data.fatal) { + // keep retrying until the limit will be reached + if (this.fragLoadError + 1 <= this.config.fragLoadingMaxRetry) { + // exponential backoff capped to config.fragLoadingMaxRetryTimeout + var delay = Math.min(Math.pow(2, this.fragLoadError) * this.config.fragLoadingRetryDelay, this.config.fragLoadingMaxRetryTimeout); + logger["logger"].warn("mediaController: frag loading failed, retry in " + delay + " ms"); + this.retryDate = window.performance.now() + delay; // retry loading state + // if loadedmetadata is not set, it means that we are emergency switch down on first frag + // in that case, reset startFragRequested flag - if (currentTime > this.lastCurrentTime) { - this.lastCurrentTime = currentTime; - } + if (!this.loadedmetadata) { + this.startFragRequested = false; + this.nextLoadPosition = this.startPosition; + } - if (BufferHelper.isBuffered(video, currentTime)) { - fragPlayingCurrent = this.getBufferedFrag(currentTime); - } else if (BufferHelper.isBuffered(video, currentTime + 0.1)) { - /* ensure that FRAG_CHANGED event is triggered at startup, - when first video frame is displayed and playback is paused. - add a tolerance of 100ms, in case current position is not buffered, - check if current pos+100ms is buffered and use that buffer range - for FRAG_CHANGED event reporting */ - fragPlayingCurrent = this.getBufferedFrag(currentTime + 0.1); - } + this.fragLoadError++; + this.state = State.FRAG_LOADING_WAITING_RETRY; + } else { + logger["logger"].error("mediaController: " + data.details + " reaches max retry, redispatch as fatal ..."); // switch error to fatal - if (fragPlayingCurrent) { - var fragPlaying = fragPlayingCurrent; + data.fatal = true; + this.state = State.ERROR; + } + } - if (fragPlaying !== this.fragPlaying) { - this.hls.trigger(events["default"].FRAG_CHANGED, { - frag: fragPlaying - }); - var fragPlayingLevel = fragPlaying.level; + break; - if (!this.fragPlaying || this.fragPlaying.level !== fragPlayingLevel) { - this.hls.trigger(events["default"].LEVEL_SWITCHED, { - level: fragPlayingLevel - }); + case errors["ErrorDetails"].LEVEL_LOAD_ERROR: + case errors["ErrorDetails"].LEVEL_LOAD_TIMEOUT: + if (this.state !== State.ERROR) { + if (data.fatal) { + // if fatal error, stop processing + this.state = State.ERROR; + logger["logger"].warn("streamController: " + data.details + ",switch to " + this.state + " state ..."); + } else { + // in case of non fatal error while loading level, if level controller is not retrying to load level , switch back to IDLE + if (!data.levelRetry && this.state === State.WAITING_LEVEL) { + this.state = State.IDLE; + } } - - this.fragPlaying = fragPlaying; } - } - } - } - /* - on immediate level switch : - - pause playback if playing - - cancel any pending load request - - and trigger a buffer flush - */ - ; - _proto.immediateLevelSwitch = function immediateLevelSwitch() { - logger["logger"].log('immediateLevelSwitch'); + break; - if (!this.immediateSwitch) { - this.immediateSwitch = true; - var media = this.media, - previouslyPaused; + case errors["ErrorDetails"].BUFFER_FULL_ERROR: + // if in appending state + if (data.parent === 'main' && (this.state === State.PARSING || this.state === State.PARSED)) { + // reduce max buf len if current position is buffered + if (mediaBuffered) { + this._reduceMaxBufferLength(this.config.maxBufferLength); - if (media) { - previouslyPaused = media.paused; - media.pause(); - } else { - // don't restart playback after instant level switch in case media not attached - previouslyPaused = true; - } + this.state = State.IDLE; + } else { + // current position is not buffered, but browser is still complaining about buffer full error + // this happens on IE/Edge, refer to https://github.com/video-dev/hls.js/pull/708 + // in that case flush the whole buffer to recover + logger["logger"].warn('buffer full error also media.currentTime is not buffered, flush everything'); + this.fragCurrent = null; // flush everything - this.previouslyPaused = previouslyPaused; - } + this.flushMainBuffer(0, Number.POSITIVE_INFINITY); + } + } - var fragCurrent = this.fragCurrent; + break; - if (fragCurrent && fragCurrent.loader) { - fragCurrent.loader.abort(); + default: + break; } + }; - this.fragCurrent = null; // flush everything + _proto._reduceMaxBufferLength = function _reduceMaxBufferLength(minLength) { + var config = this.config; - this.flushMainBuffer(0, Number.POSITIVE_INFINITY); + if (config.maxMaxBufferLength >= minLength) { + // reduce max buffer length as it might be too high. we do this to avoid loop flushing ... + config.maxMaxBufferLength /= 2; + logger["logger"].warn("main:reduce max buffer length to " + config.maxMaxBufferLength + "s"); + return true; + } + + return false; } /** - * on immediate level switch end, after new fragment has been buffered: - * - nudge video decoder by slightly adjusting video currentTime (if currentTime buffered) - * - resume the playback if needed + * Checks the health of the buffer and attempts to resolve playback stalls. + * @private */ ; - _proto.immediateLevelSwitchEnd = function immediateLevelSwitchEnd() { + _proto._checkBuffer = function _checkBuffer() { var media = this.media; - if (media && media.buffered.length) { - this.immediateSwitch = false; + if (!media || media.readyState === 0) { + // Exit early if we don't have media or if the media hasn't bufferd anything yet (readyState 0) + return; + } - if (BufferHelper.isBuffered(media, media.currentTime)) { - // only nudge if currentTime is buffered - media.currentTime -= 0.0001; - } + var mediaBuffer = this.mediaBuffer ? this.mediaBuffer : media; + var buffered = mediaBuffer.buffered; - if (!this.previouslyPaused) { - media.play(); - } + if (!this.loadedmetadata && buffered.length) { + this.loadedmetadata = true; + + this._seekToStartPos(); + } else if (this.immediateSwitch) { + this.immediateLevelSwitchEnd(); + } else { + this.gapController.poll(this.lastCurrentTime, buffered); } - } - /** - * try to switch ASAP without breaking video playback: - * in order to ensure smooth but quick level switching, - * we need to find the next flushable buffer range - * we should take into account new segment fetch time - */ - ; + }; - _proto.nextLevelSwitch = function nextLevelSwitch() { - var media = this.media; // ensure that media is defined and that metadata are available (to retrieve currentTime) + _proto.onFragLoadEmergencyAborted = function onFragLoadEmergencyAborted() { + this.state = State.IDLE; // if loadedmetadata is not set, it means that we are emergency switch down on first frag + // in that case, reset startFragRequested flag - if (media && media.readyState) { - var fetchdelay, fragPlayingCurrent, nextBufferedFrag; - fragPlayingCurrent = this.getBufferedFrag(media.currentTime); + if (!this.loadedmetadata) { + this.startFragRequested = false; + this.nextLoadPosition = this.startPosition; + } - if (fragPlayingCurrent && fragPlayingCurrent.startPTS > 1) { - // flush buffer preceding current fragment (flush until current fragment start offset) - // minus 1s to avoid video freezing, that could happen if we flush keyframe of current video ... - this.flushMainBuffer(0, fragPlayingCurrent.startPTS - 1); - } + this.tick(); + }; - if (!media.paused) { - // add a safety delay of 1s - var nextLevelId = this.hls.nextLoadLevel, - nextLevel = this.levels[nextLevelId], - fragLastKbps = this.fragLastKbps; + _proto.onBufferFlushed = function onBufferFlushed() { + /* after successful buffer flushing, filter flushed fragments from bufferedFrags + use mediaBuffered instead of media (so that we will check against video.buffered ranges in case of alt audio track) + */ + var media = this.mediaBuffer ? this.mediaBuffer : this.media; - if (fragLastKbps && this.fragCurrent) { - fetchdelay = this.fragCurrent.duration * nextLevel.bitrate / (1000 * fragLastKbps) + 1; - } else { - fetchdelay = 0; - } - } else { - fetchdelay = 0; - } // logger.log('fetchdelay:'+fetchdelay); - // find buffer range that will be reached once new fragment will be fetched + if (media) { + // filter fragments potentially evicted from buffer. this is to avoid memleak on live streams + this.fragmentTracker.detectEvictedFragments(ElementaryStreamTypes.VIDEO, media.buffered); + } // move to IDLE once flush complete. this should trigger new fragment loading - nextBufferedFrag = this.getBufferedFrag(media.currentTime + fetchdelay); + this.state = State.IDLE; // reset reference to frag - if (nextBufferedFrag) { - // we can flush buffer range following this one without stalling playback - nextBufferedFrag = this.followingBufferedFrag(nextBufferedFrag); + this.fragPrevious = null; + }; - if (nextBufferedFrag) { - // if we are here, we can also cancel any loading/demuxing in progress, as they are useless - var fragCurrent = this.fragCurrent; + _proto.swapAudioCodec = function swapAudioCodec() { + this.audioCodecSwap = !this.audioCodecSwap; + } + /** + * Seeks to the set startPosition if not equal to the mediaElement's current time. + * @private + */ + ; - if (fragCurrent && fragCurrent.loader) { - fragCurrent.loader.abort(); - } + _proto._seekToStartPos = function _seekToStartPos() { + var media = this.media; + var currentTime = media.currentTime; // only adjust currentTime if different from startPosition or if startPosition not buffered + // at that stage, there should be only one buffered range, as we reach that code after first fragment has been buffered - this.fragCurrent = null; // start flush position is the start PTS of next buffered frag. - // we use frag.naxStartPTS which is max(audio startPTS, video startPTS). - // in case there is a small PTS Delta between audio and video, using maxStartPTS avoids flushing last samples from current fragment + var startPosition = media.seeking ? currentTime : this.startPosition; // if currentTime not matching with expected startPosition or startPosition not buffered but close to first buffered - this.flushMainBuffer(nextBufferedFrag.maxStartPTS, Number.POSITIVE_INFINITY); - } - } + if (currentTime !== startPosition && startPosition >= 0) { + // if startPosition not buffered, let's seek to buffered.start(0) + logger["logger"].log("target start position not buffered, seek to buffered.start(0) " + startPosition + " from current time " + currentTime + " "); + media.currentTime = startPosition; } }; - _proto.flushMainBuffer = function flushMainBuffer(startOffset, endOffset) { - this.state = State.BUFFER_FLUSHING; - var flushScope = { - startOffset: startOffset, - endOffset: endOffset - }; // if alternate audio tracks are used, only flush video, otherwise flush everything + _proto._getAudioCodec = function _getAudioCodec(currentLevel) { + var audioCodec = this.config.defaultAudioCodec || currentLevel.audioCodec; - if (this.altAudio) { - flushScope.type = 'video'; + if (this.audioCodecSwap) { + logger["logger"].log('swapping playlist audio codec'); + + if (audioCodec) { + if (audioCodec.indexOf('mp4a.40.5') !== -1) { + audioCodec = 'mp4a.40.2'; + } else { + audioCodec = 'mp4a.40.5'; + } + } } - this.hls.trigger(events["default"].BUFFER_FLUSHING, flushScope); + return audioCodec; }; - _proto.onMediaAttached = function onMediaAttached(data) { - var media = this.media = this.mediaBuffer = data.media; - this.onvseeking = this.onMediaSeeking.bind(this); - this.onvseeked = this.onMediaSeeked.bind(this); - this.onvended = this.onMediaEnded.bind(this); - media.addEventListener('seeking', this.onvseeking); - media.addEventListener('seeked', this.onvseeked); - media.addEventListener('ended', this.onvended); - var config = this.config; + stream_controller_createClass(StreamController, [{ + key: "state", + set: function set(nextState) { + if (this.state !== nextState) { + var previousState = this.state; + this._state = nextState; + logger["logger"].log("main stream-controller: " + previousState + "->" + nextState); + this.hls.trigger(events["default"].STREAM_STATE_TRANSITION, { + previousState: previousState, + nextState: nextState + }); + } + }, + get: function get() { + return this._state; + } + }, { + key: "currentLevel", + get: function get() { + var media = this.media; - if (this.levels && config.autoStartLoad) { - this.hls.startLoad(config.startPosition); + if (media) { + var frag = this.getBufferedFrag(media.currentTime); + + if (frag) { + return frag.level; + } + } + + return -1; } + }, { + key: "nextBufferedFrag", + get: function get() { + var media = this.media; - this.gapController = new gap_controller_GapController(config, media, this.fragmentTracker, this.hls); - }; + if (media) { + // first get end range of current fragment + return this.followingBufferedFrag(this.getBufferedFrag(media.currentTime)); + } else { + return null; + } + } + }, { + key: "nextLevel", + get: function get() { + var frag = this.nextBufferedFrag; - _proto.onMediaDetaching = function onMediaDetaching() { - var media = this.media; + if (frag) { + return frag.level; + } else { + return -1; + } + } + }, { + key: "liveSyncPosition", + get: function get() { + return this._liveSyncPosition; + }, + set: function set(value) { + this._liveSyncPosition = value; + } + }]); - if (media && media.ended) { - logger["logger"].log('MSE detaching and video ended, reset startPosition'); - this.startPosition = this.lastCurrentTime = 0; - } // reset fragment backtracked flag + return StreamController; +}(base_stream_controller_BaseStreamController); +/* harmony default export */ var stream_controller = (stream_controller_StreamController); +// CONCATENATED MODULE: ./src/controller/level-controller.js +function level_controller_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } - var levels = this.levels; +function level_controller_createClass(Constructor, protoProps, staticProps) { if (protoProps) level_controller_defineProperties(Constructor.prototype, protoProps); if (staticProps) level_controller_defineProperties(Constructor, staticProps); return Constructor; } - if (levels) { - levels.forEach(function (level) { - if (level.details) { - level.details.fragments.forEach(function (fragment) { - fragment.backtracked = undefined; - }); - } - }); - } // remove video listeners +function level_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } +/* + * Level Controller +*/ - if (media) { - media.removeEventListener('seeking', this.onvseeking); - media.removeEventListener('seeked', this.onvseeked); - media.removeEventListener('ended', this.onvended); - this.onvseeking = this.onvseeked = this.onvended = null; - } - this.fragmentTracker.removeAllFragments(); - this.media = this.mediaBuffer = null; - this.loadedmetadata = false; - this.stopLoad(); - }; - _proto.onMediaSeeked = function onMediaSeeked() { - var media = this.media; - var currentTime = media ? media.currentTime : undefined; - var seekWithinTolerance = this.config.seekWithinTolerance; // We are not firing Event.CAN_PLAY_AFTER_SEEK only if we are seeking again to reach buffered fragment. - if (!seekWithinTolerance || !this.gapController.seekWithinToleranceIfNeeded()) { - this.hls.trigger(events["default"].CAN_PLAY_AFTER_SEEK); - } - if (Object(number_isFinite["isFiniteNumber"])(currentTime)) { - logger["logger"].log("media seeked to " + currentTime.toFixed(3)); - } // tick to speed up FRAGMENT_PLAYING triggering +var level_controller_window = window, + level_controller_performance = level_controller_window.performance; +var chromeOrFirefox; - this.tick(); +var level_controller_LevelController = +/*#__PURE__*/ +function (_EventHandler) { + level_controller_inheritsLoose(LevelController, _EventHandler); + + function LevelController(hls) { + var _this; + + _this = _EventHandler.call(this, hls, events["default"].MANIFEST_LOADED, events["default"].LEVEL_LOADED, events["default"].AUDIO_TRACK_SWITCHED, events["default"].FRAG_LOADED, events["default"].ERROR) || this; + _this.canload = false; + _this.currentLevelIndex = null; + _this.manualLevelIndex = -1; + _this.timer = null; + chromeOrFirefox = /chrome|firefox/.test(navigator.userAgent.toLowerCase()); + return _this; + } + + var _proto = LevelController.prototype; + + _proto.onHandlerDestroying = function onHandlerDestroying() { + this.clearTimer(); + this.manualLevelIndex = -1; }; - _proto.onManifestLoading = function onManifestLoading() { - // reset buffer on manifest loading - logger["logger"].log('trigger BUFFER_RESET'); - this.hls.trigger(events["default"].BUFFER_RESET); - this.fragmentTracker.removeAllFragments(); - this.stalled = false; - this.startPosition = this.lastCurrentTime = 0; + _proto.clearTimer = function clearTimer() { + if (this.timer !== null) { + clearTimeout(this.timer); + this.timer = null; + } }; - _proto.onManifestParsed = function onManifestParsed(data) { - var aac = false, - heaac = false, - codec; - data.levels.forEach(function (level) { - // detect if we have different kind of audio codecs used amongst playlists - codec = level.audioCodec; + _proto.startLoad = function startLoad() { + var levels = this._levels; + this.canload = true; + this.levelRetryCount = 0; // clean up live level details to force reload them, and reset load errors - if (codec) { - if (codec.indexOf('mp4a.40.2') !== -1) { - aac = true; - } + if (levels) { + levels.forEach(function (level) { + level.loadError = 0; + var levelDetails = level.details; - if (codec.indexOf('mp4a.40.5') !== -1) { - heaac = true; + if (levelDetails && levelDetails.live) { + level.details = undefined; } - } - }); - this.audioCodecSwitch = aac && heaac; - - if (this.audioCodecSwitch) { - logger["logger"].log('both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC'); - } + }); + } // speed up live playlist refresh if timer exists - this.altAudio = data.altAudio; - this.levels = data.levels; - this.startFragRequested = false; - var config = this.config; - if (config.autoStartLoad || this.forceStartLoad) { - this.hls.startLoad(config.startPosition); + if (this.timer !== null) { + this.loadLevel(); } }; - _proto.onLevelLoaded = function onLevelLoaded(data) { - var newDetails = data.details; - var newLevelId = data.level; - var lastLevel = this.levels[this.levelLastLoaded]; - var curLevel = this.levels[newLevelId]; - var duration = newDetails.totalduration; - var sliding = 0; - logger["logger"].log("level " + newLevelId + " loaded [" + newDetails.startSN + "," + newDetails.endSN + "],duration:" + duration); + _proto.stopLoad = function stopLoad() { + this.canload = false; + }; - if (newDetails.live) { - var curDetails = curLevel.details; + _proto.onManifestLoaded = function onManifestLoaded(data) { + var levels = []; + var audioTracks = []; + var bitrateStart; + var levelSet = {}; + var levelFromSet = null; + var videoCodecFound = false; + var audioCodecFound = false; // regroup redundant levels together - if (curDetails && newDetails.fragments.length > 0) { - // we already have details for that level, merge them - mergeDetails(curDetails, newDetails); - sliding = newDetails.fragments[0].start; - this.liveSyncPosition = this.computeLivePosition(sliding, curDetails); + data.levels.forEach(function (level) { + var attributes = level.attrs; + level.loadError = 0; + level.fragmentError = false; + videoCodecFound = videoCodecFound || !!level.videoCodec; + audioCodecFound = audioCodecFound || !!level.audioCodec; // erase audio codec info if browser does not support mp4a.40.34. + // demuxer will autodetect codec and fallback to mpeg/audio - if (newDetails.PTSKnown && Object(number_isFinite["isFiniteNumber"])(sliding)) { - logger["logger"].log("live playlist sliding:" + sliding.toFixed(3)); - } else { - logger["logger"].log('live playlist - outdated PTS, unknown sliding'); - alignStream(this.fragPrevious, lastLevel, newDetails); - } + if (chromeOrFirefox && level.audioCodec && level.audioCodec.indexOf('mp4a.40.34') !== -1) { + level.audioCodec = undefined; + } + + levelFromSet = levelSet[level.bitrate]; // FIXME: we would also have to match the resolution here + + if (!levelFromSet) { + level.url = [level.url]; + level.urlId = 0; + levelSet[level.bitrate] = level; + levels.push(level); } else { - logger["logger"].log('live playlist - first load, unknown sliding'); - newDetails.PTSKnown = false; - alignStream(this.fragPrevious, lastLevel, newDetails); + levelFromSet.url.push(level.url); } - } else { - newDetails.PTSKnown = false; - } // override level info + if (attributes) { + if (attributes.AUDIO) { + audioCodecFound = true; + addGroupId(levelFromSet || level, 'audio', attributes.AUDIO); + } - curLevel.details = newDetails; - this.levelLastLoaded = newLevelId; - this.hls.trigger(events["default"].LEVEL_UPDATED, { - details: newDetails, - level: newLevelId - }); + if (attributes.SUBTITLES) { + addGroupId(levelFromSet || level, 'text', attributes.SUBTITLES); + } + } + }); // remove audio-only level if we also have levels with audio+video codecs signalled - if (this.startFragRequested === false) { - // compute start position if set to -1. use it straight away if value is defined - if (this.startPosition === -1 || this.lastCurrentTime === -1) { - // first, check if start time offset has been set in playlist, if yes, use this value - var startTimeOffset = newDetails.startTimeOffset; + if (videoCodecFound && audioCodecFound) { + levels = levels.filter(function (_ref) { + var videoCodec = _ref.videoCodec; + return !!videoCodec; + }); + } // only keep levels with supported audio/video codecs - if (Object(number_isFinite["isFiniteNumber"])(startTimeOffset)) { - if (startTimeOffset < 0) { - logger["logger"].log("negative start time offset " + startTimeOffset + ", count from end of last fragment"); - startTimeOffset = sliding + duration + startTimeOffset; - } - logger["logger"].log("start time offset found in playlist, adjust startPosition to " + startTimeOffset); - this.startPosition = startTimeOffset; - } else { - // if live playlist, set start position to be fragment N-this.config.liveSyncDurationCount (usually 3) - if (newDetails.live) { - this.startPosition = this.computeLivePosition(sliding, newDetails); - logger["logger"].log("configure startPosition to " + this.startPosition); - } else { - this.startPosition = 0; - } - } + levels = levels.filter(function (_ref2) { + var audioCodec = _ref2.audioCodec, + videoCodec = _ref2.videoCodec; + return (!audioCodec || isCodecSupportedInMp4(audioCodec, 'audio')) && (!videoCodec || isCodecSupportedInMp4(videoCodec, 'video')); + }); - this.lastCurrentTime = this.startPosition; - } + if (data.audioTracks) { + audioTracks = data.audioTracks.filter(function (track) { + return !track.audioCodec || isCodecSupportedInMp4(track.audioCodec, 'audio'); + }); // Reassign id's after filtering since they're used as array indices - this.nextLoadPosition = this.startPosition; - } // only switch batck to IDLE state if we were waiting for level to start downloading a new fragment + audioTracks.forEach(function (track, index) { + track.id = index; + }); + } + if (levels.length > 0) { + // start bitrate is the first bitrate of the manifest + bitrateStart = levels[0].bitrate; // sort level on bitrate - if (this.state === State.WAITING_LEVEL) { - this.state = State.IDLE; - } // trigger handler right now + levels.sort(function (a, b) { + return a.bitrate - b.bitrate; + }); + this._levels = levels; // find index of first level in sorted levels + for (var i = 0; i < levels.length; i++) { + if (levels[i].bitrate === bitrateStart) { + this._firstLevel = i; + logger["logger"].log("manifest loaded," + levels.length + " level(s) found, first bitrate:" + bitrateStart); + break; + } + } // Audio is only alternate if manifest include a URI along with the audio group tag - this.tick(); - }; - _proto.onKeyLoaded = function onKeyLoaded() { - if (this.state === State.KEY_LOADING) { - this.state = State.IDLE; - this.tick(); + this.hls.trigger(events["default"].MANIFEST_PARSED, { + levels: levels, + audioTracks: audioTracks, + firstLevel: this._firstLevel, + stats: data.stats, + audio: audioCodecFound, + video: videoCodecFound, + altAudio: audioTracks.some(function (t) { + return !!t.url; + }) + }); + } else { + this.hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].MEDIA_ERROR, + details: errors["ErrorDetails"].MANIFEST_INCOMPATIBLE_CODECS_ERROR, + fatal: true, + url: this.hls.url, + reason: 'no level with compatible codecs found in manifest' + }); } }; - _proto.onFragLoaded = function onFragLoaded(data) { - var fragCurrent = this.fragCurrent, - hls = this.hls, - levels = this.levels, - media = this.media; - var fragLoaded = data.frag; - - if (this.state === State.FRAG_LOADING && fragCurrent && fragLoaded.type === 'main' && fragLoaded.level === fragCurrent.level && fragLoaded.sn === fragCurrent.sn) { - var stats = data.stats; - var currentLevel = levels[fragCurrent.level]; - var details = currentLevel.details; // reset frag bitrate test in any case after frag loaded event - // if this frag was loaded to perform a bitrate test AND if hls.nextLoadLevel is greater than 0 - // then this means that we should be able to load a fragment at a higher quality level + _proto.setLevelInternal = function setLevelInternal(newLevel) { + var levels = this._levels; + var hls = this.hls; // check if level idx is valid - this.bitrateTest = false; - this.stats = stats; - logger["logger"].log("Loaded " + fragCurrent.sn + " of [" + details.startSN + " ," + details.endSN + "],level " + fragCurrent.level); - - if (fragLoaded.bitrateTest && hls.nextLoadLevel) { - // switch back to IDLE state ... we just loaded a fragment to determine adequate start bitrate and initialize autoswitch algo - this.state = State.IDLE; - this.startFragRequested = false; - stats.tparsed = stats.tbuffered = window.performance.now(); - hls.trigger(events["default"].FRAG_BUFFERED, { - stats: stats, - frag: fragCurrent, - id: 'main' - }); - this.tick(); - } else if (fragLoaded.sn === 'initSegment') { - this.state = State.IDLE; - stats.tparsed = stats.tbuffered = window.performance.now(); - details.initSegment.data = data.payload; - hls.trigger(events["default"].FRAG_BUFFERED, { - stats: stats, - frag: fragCurrent, - id: 'main' - }); - this.tick(); - } else { - logger["logger"].log("Parsing " + fragCurrent.sn + " of [" + details.startSN + " ," + details.endSN + "],level " + fragCurrent.level + ", cc " + fragCurrent.cc); - this.state = State.PARSING; - this.pendingBuffering = true; - this.appended = false; // Bitrate test frags are not usually buffered so the fragment tracker ignores them. If Hls.js decides to buffer - // it (and therefore ends up at this line), then the fragment tracker needs to be manually informed. - - if (fragLoaded.bitrateTest) { - fragLoaded.bitrateTest = false; - this.fragmentTracker.onFragLoaded({ - frag: fragLoaded - }); - } // time Offset is accurate if level PTS is known, or if playlist is not sliding (not live) and if media is not seeking (this is to overcome potential timestamp drifts between playlists and fragments) - - - var accurateTimeOffset = !(media && media.seeking) && (details.PTSKnown || !details.live); - var initSegmentData = details.initSegment ? details.initSegment.data : []; + if (newLevel >= 0 && newLevel < levels.length) { + // stopping live reloading timer if any + this.clearTimer(); - var audioCodec = this._getAudioCodec(currentLevel); // transmux the MPEG-TS data to ISO-BMFF segments + if (this.currentLevelIndex !== newLevel) { + logger["logger"].log("switching to level " + newLevel); + this.currentLevelIndex = newLevel; + var levelProperties = levels[newLevel]; + levelProperties.level = newLevel; + hls.trigger(events["default"].LEVEL_SWITCHING, levelProperties); + } + var level = levels[newLevel]; + var levelDetails = level.details; // check if we need to load playlist for this level - var demuxer = this.demuxer = this.demuxer || new demux_demuxer(this.hls, 'main'); - demuxer.push(data.payload, initSegmentData, audioCodec, currentLevel.videoCodec, fragCurrent, details.totalduration, accurateTimeOffset); + if (!levelDetails || levelDetails.live) { + // level not retrieved yet, or live playlist we need to (re)load it + var urlId = level.urlId; + hls.trigger(events["default"].LEVEL_LOADING, { + url: level.url[urlId], + level: newLevel, + id: urlId + }); } + } else { + // invalid level id given, trigger error + hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].OTHER_ERROR, + details: errors["ErrorDetails"].LEVEL_SWITCH_ERROR, + level: newLevel, + fatal: false, + reason: 'invalid level idx' + }); } - - this.fragLoadError = 0; }; - _proto.onFragParsingInitSegment = function onFragParsingInitSegment(data) { - var fragCurrent = this.fragCurrent; - var fragNew = data.frag; - - if (fragCurrent && data.id === 'main' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === State.PARSING) { - var tracks = data.tracks, - trackName, - track; // if audio track is expected to come from audio stream controller, discard any coming from main + _proto.onError = function onError(data) { + if (data.fatal) { + if (data.type === errors["ErrorTypes"].NETWORK_ERROR) { + this.clearTimer(); + } - if (tracks.audio && this.altAudio) { - delete tracks.audio; - } // include levelCodec in audio and video tracks + return; + } + var levelError = false, + fragmentError = false; + var levelIndex; // try to recover not fatal errors - track = tracks.audio; + switch (data.details) { + case errors["ErrorDetails"].FRAG_LOAD_ERROR: + case errors["ErrorDetails"].FRAG_LOAD_TIMEOUT: + case errors["ErrorDetails"].KEY_LOAD_ERROR: + case errors["ErrorDetails"].KEY_LOAD_TIMEOUT: + levelIndex = data.frag.level; + fragmentError = true; + break; - if (track) { - var audioCodec = this.levels[this.level].audioCodec, - ua = navigator.userAgent.toLowerCase(); + case errors["ErrorDetails"].LEVEL_LOAD_ERROR: + case errors["ErrorDetails"].LEVEL_LOAD_TIMEOUT: + levelIndex = data.context.level; + levelError = true; + break; - if (audioCodec && this.audioCodecSwap) { - logger["logger"].log('swapping playlist audio codec'); + case errors["ErrorDetails"].REMUX_ALLOC_ERROR: + levelIndex = data.level; + levelError = true; + break; + } - if (audioCodec.indexOf('mp4a.40.5') !== -1) { - audioCodec = 'mp4a.40.2'; - } else { - audioCodec = 'mp4a.40.5'; - } - } // in case AAC and HE-AAC audio codecs are signalled in manifest - // force HE-AAC , as it seems that most browsers prefers that way, - // except for mono streams OR on FF - // these conditions might need to be reviewed ... + if (levelIndex !== undefined) { + this.recoverLevel(data, levelIndex, levelError, fragmentError); + } + } + /** + * Switch to a redundant stream if any available. + * If redundant stream is not available, emergency switch down if ABR mode is enabled. + * + * @param {Object} errorEvent + * @param {Number} levelIndex current level index + * @param {Boolean} levelError + * @param {Boolean} fragmentError + */ + // FIXME Find a better abstraction where fragment/level retry management is well decoupled + ; + _proto.recoverLevel = function recoverLevel(errorEvent, levelIndex, levelError, fragmentError) { + var _this2 = this; - if (this.audioCodecSwitch) { - // don't force HE-AAC if mono stream - if (track.metadata.channelCount !== 1 && // don't force HE-AAC if firefox - ua.indexOf('firefox') === -1) { - audioCodec = 'mp4a.40.5'; - } - } // HE-AAC is broken on Android, always signal audio codec as AAC even if variant manifest states otherwise + var config = this.hls.config; + var errorDetails = errorEvent.details; + var level = this._levels[levelIndex]; + var redundantLevels, delay, nextLevel; + level.loadError++; + level.fragmentError = fragmentError; + if (levelError) { + if (this.levelRetryCount + 1 <= config.levelLoadingMaxRetry) { + // exponential backoff capped to max retry timeout + delay = Math.min(Math.pow(2, this.levelRetryCount) * config.levelLoadingRetryDelay, config.levelLoadingMaxRetryTimeout); // Schedule level reload - if (ua.indexOf('android') !== -1 && track.container !== 'audio/mpeg') { - // Exclude mpeg audio - audioCodec = 'mp4a.40.2'; - logger["logger"].log("Android: force audio codec to " + audioCodec); - } + this.timer = setTimeout(function () { + return _this2.loadLevel(); + }, delay); // boolean used to inform stream controller not to switch back to IDLE on non fatal error - track.levelCodec = audioCodec; - track.id = data.id; - } + errorEvent.levelRetry = true; + this.levelRetryCount++; + logger["logger"].warn("level controller, " + errorDetails + ", retry in " + delay + " ms, current retry count is " + this.levelRetryCount); + } else { + logger["logger"].error("level controller, cannot recover from " + errorDetails + " error"); + this.currentLevelIndex = null; // stopping live reloading timer if any - track = tracks.video; + this.clearTimer(); // switch error to fatal - if (track) { - track.levelCodec = this.levels[this.level].videoCodec; - track.id = data.id; + errorEvent.fatal = true; + return; } + } // Try any redundant streams if available for both errors: level and fragment + // If level.loadError reaches redundantLevels it means that we tried them all, no hope => let's switch down - this.hls.trigger(events["default"].BUFFER_CODECS, tracks); // loop through tracks that are going to be provided to bufferController - - for (trackName in tracks) { - track = tracks[trackName]; - logger["logger"].log("main track:" + trackName + ",container:" + track.container + ",codecs[level/parsed]=[" + track.levelCodec + "/" + track.codec + "]"); - var initSegment = track.initSegment; - if (initSegment) { - this.appended = true; // arm pending Buffering flag before appending a segment + if (levelError || fragmentError) { + redundantLevels = level.url.length; - this.pendingBuffering = true; - this.hls.trigger(events["default"].BUFFER_APPENDING, { - type: trackName, - data: initSegment, - parent: 'main', - content: 'initSegment' - }); + if (redundantLevels > 1 && level.loadError < redundantLevels) { + level.urlId = (level.urlId + 1) % redundantLevels; + level.details = undefined; + logger["logger"].warn("level controller, " + errorDetails + " for level " + levelIndex + ": switching to redundant URL-id " + level.urlId); // console.log('Current audio track group ID:', this.hls.audioTracks[this.hls.audioTrack].groupId); + // console.log('New video quality level audio group id:', level.attrs.AUDIO); + } else { + // Search for available level + if (this.manualLevelIndex === -1) { + // When lowest level has been reached, let's start hunt from the top + nextLevel = levelIndex === 0 ? this._levels.length - 1 : levelIndex - 1; + logger["logger"].warn("level controller, " + errorDetails + ": switch to " + nextLevel); + this.hls.nextAutoLevel = this.currentLevelIndex = nextLevel; + } else if (fragmentError) { + // Allow fragment retry as long as configuration allows. + // reset this._level so that another call to set level() will trigger again a frag load + logger["logger"].warn("level controller, " + errorDetails + ": reload a fragment"); + this.currentLevelIndex = null; } - } // trigger handler right now + } + } + } // reset errors on the successful load of a fragment + ; + _proto.onFragLoaded = function onFragLoaded(_ref3) { + var frag = _ref3.frag; - this.tick(); + if (frag !== undefined && frag.type === 'main') { + var level = this._levels[frag.level]; + + if (level !== undefined) { + level.fragmentError = false; + level.loadError = 0; + this.levelRetryCount = 0; + } } }; - _proto.onFragParsingData = function onFragParsingData(data) { - var _this2 = this; + _proto.onLevelLoaded = function onLevelLoaded(data) { + var _this3 = this; - var fragCurrent = this.fragCurrent; - var fragNew = data.frag; + var level = data.level, + details = data.details; // only process level loaded events matching with expected level - if (fragCurrent && data.id === 'main' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && !(data.type === 'audio' && this.altAudio) && // filter out main audio if audio track is loaded through audio stream controller - this.state === State.PARSING) { - var level = this.levels[this.level], - frag = fragCurrent; + if (level !== this.currentLevelIndex) { + return; + } - if (!Object(number_isFinite["isFiniteNumber"])(data.endPTS)) { - data.endPTS = data.startPTS + fragCurrent.duration; - data.endDTS = data.startDTS + fragCurrent.duration; - } + var curLevel = this._levels[level]; // reset level load error counter on successful level loaded only if there is no issues with fragments - if (data.hasAudio === true) { - frag.addElementaryStream(ElementaryStreamTypes.AUDIO); - } + if (!curLevel.fragmentError) { + curLevel.loadError = 0; + this.levelRetryCount = 0; + } // if current playlist is a live playlist, arm a timer to reload it - if (data.hasVideo === true) { - frag.addElementaryStream(ElementaryStreamTypes.VIDEO); - } - logger["logger"].log("Parsed " + data.type + ",PTS:[" + data.startPTS.toFixed(3) + "," + data.endPTS.toFixed(3) + "],DTS:[" + data.startDTS.toFixed(3) + "/" + data.endDTS.toFixed(3) + "],nb:" + data.nb + ",dropped:" + (data.dropped || 0)); // Detect gaps in a fragment and try to fix it by finding a keyframe in the previous fragment (see _findFragments) + if (details.live) { + var reloadInterval = computeReloadInterval(curLevel.details, details, data.stats.trequest); + logger["logger"].log("live playlist, reload in " + Math.round(reloadInterval) + " ms"); + this.timer = setTimeout(function () { + return _this3.loadLevel(); + }, reloadInterval); + } else { + this.clearTimer(); + } + }; - if (data.type === 'video') { - frag.dropped = data.dropped; + _proto.onAudioTrackSwitched = function onAudioTrackSwitched(data) { + var audioGroupId = this.hls.audioTracks[data.id].groupId; + var currentLevel = this.hls.levels[this.currentLevelIndex]; - if (frag.dropped) { - if (!frag.backtracked) { - var levelDetails = level.details; + if (!currentLevel) { + return; + } - if (levelDetails && frag.sn === levelDetails.startSN) { - logger["logger"].warn('missing video frame(s) on first frag, appending with gap', frag.sn); - } else { - logger["logger"].warn('missing video frame(s), backtracking fragment', frag.sn); // Return back to the IDLE state without appending to buffer - // Causes findFragments to backtrack a segment and find the keyframe - // Audio fragments arriving before video sets the nextLoadPosition, causing _findFragments to skip the backtracked fragment + if (currentLevel.audioGroupIds) { + var urlId = -1; - this.fragmentTracker.removeFragment(frag); - frag.backtracked = true; - this.nextLoadPosition = data.startPTS; - this.state = State.IDLE; - this.fragPrevious = frag; - this.tick(); - return; - } - } else { - logger["logger"].warn('Already backtracked on this fragment, appending with the gap', frag.sn); - } - } else { - // Only reset the backtracked flag if we've loaded the frag without any dropped frames - frag.backtracked = false; + for (var i = 0; i < currentLevel.audioGroupIds.length; i++) { + if (currentLevel.audioGroupIds[i] === audioGroupId) { + urlId = i; + break; } } - var drift = updateFragPTSDTS(level.details, frag, data.startPTS, data.endPTS, data.startDTS, data.endDTS), - hls = this.hls; - hls.trigger(events["default"].LEVEL_PTS_UPDATED, { - details: level.details, - level: this.level, - drift: drift, - type: data.type, - start: data.startPTS, - end: data.endPTS - }); // has remuxer dropped video frames located before first keyframe ? - - [data.data1, data.data2].forEach(function (buffer) { - // only append in PARSING state (rationale is that an appending error could happen synchronously on first segment appending) - // in that case it is useless to append following segments - if (buffer && buffer.length && _this2.state === State.PARSING) { - _this2.appended = true; // arm pending Buffering flag before appending a segment - - _this2.pendingBuffering = true; - hls.trigger(events["default"].BUFFER_APPENDING, { - type: data.type, - data: buffer, - parent: 'main', - content: 'data' - }); - } - }); // trigger handler right now - - this.tick(); + if (urlId !== currentLevel.urlId) { + currentLevel.urlId = urlId; + this.startLoad(); + } } }; - _proto.onFragParsed = function onFragParsed(data) { - var fragCurrent = this.fragCurrent; - var fragNew = data.frag; + _proto.loadLevel = function loadLevel() { + logger["logger"].debug('call to loadLevel'); - if (fragCurrent && data.id === 'main' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === State.PARSING) { - this.stats.tparsed = window.performance.now(); - this.state = State.PARSED; + if (this.currentLevelIndex !== null && this.canload) { + var levelObject = this._levels[this.currentLevelIndex]; - this._checkAppendedParsed(); + if (typeof levelObject === 'object' && levelObject.url.length > 0) { + var level = this.currentLevelIndex; + var id = levelObject.urlId; + var url = levelObject.url[id]; + logger["logger"].log("Attempt loading level index " + level + " with URL-id " + id); // console.log('Current audio track group ID:', this.hls.audioTracks[this.hls.audioTrack].groupId); + // console.log('New video quality level audio group id:', levelObject.attrs.AUDIO, level); + + this.hls.trigger(events["default"].LEVEL_LOADING, { + url: url, + level: level, + id: id + }); + } } }; - _proto.onAudioTrackSwitching = function onAudioTrackSwitching(data) { - // if any URL found on new audio track, it is an alternate audio track - var altAudio = !!data.url, - trackId = data.id; // if we switch on main audio, ensure that main fragment scheduling is synced with media.buffered - // don't do anything if we switch to alt audio: audio stream controller is handling it. - // we will just have to change buffer scheduling on audioTrackSwitched + level_controller_createClass(LevelController, [{ + key: "levels", + get: function get() { + return this._levels; + } + }, { + key: "level", + get: function get() { + return this.currentLevelIndex; + }, + set: function set(newLevel) { + var levels = this._levels; - if (!altAudio) { - if (this.mediaBuffer !== this.media) { - logger["logger"].log('switching on main audio, use media.buffered to schedule main fragment loading'); - this.mediaBuffer = this.media; - var fragCurrent = this.fragCurrent; // we need to refill audio buffer from main: cancel any frag loading to speed up audio switch + if (levels) { + newLevel = Math.min(newLevel, levels.length - 1); - if (fragCurrent.loader) { - logger["logger"].log('switching to main audio track, cancel main fragment load'); - fragCurrent.loader.abort(); + if (this.currentLevelIndex !== newLevel || !levels[newLevel].details) { + this.setLevelInternal(newLevel); } - - this.fragCurrent = null; - this.fragPrevious = null; // destroy demuxer to force init segment generation (following audio switch) - - if (this.demuxer) { - this.demuxer.destroy(); - this.demuxer = null; - } // switch to IDLE state to load new fragment - - - this.state = State.IDLE; } - - var hls = this.hls; // switching to main audio, flush all audio and trigger track switched - - hls.trigger(events["default"].BUFFER_FLUSHING, { - startOffset: 0, - endOffset: Number.POSITIVE_INFINITY, - type: 'audio' - }); - hls.trigger(events["default"].AUDIO_TRACK_SWITCHED, { - id: trackId - }); - this.altAudio = false; } - }; - - _proto.onAudioTrackSwitched = function onAudioTrackSwitched(data) { - var trackId = data.id, - altAudio = !!this.hls.audioTracks[trackId].url; + }, { + key: "manualLevel", + get: function get() { + return this.manualLevelIndex; + }, + set: function set(newLevel) { + this.manualLevelIndex = newLevel; - if (altAudio) { - var videoBuffer = this.videoBuffer; // if we switched on alternate audio, ensure that main fragment scheduling is synced with video sourcebuffer buffered + if (this._startLevel === undefined) { + this._startLevel = newLevel; + } - if (videoBuffer && this.mediaBuffer !== videoBuffer) { - logger["logger"].log('switching on alternate audio, use video.buffered to schedule main fragment loading'); - this.mediaBuffer = videoBuffer; + if (newLevel !== -1) { + this.level = newLevel; } } + }, { + key: "firstLevel", + get: function get() { + return this._firstLevel; + }, + set: function set(newLevel) { + this._firstLevel = newLevel; + } + }, { + key: "startLevel", + get: function get() { + // hls.startLevel takes precedence over config.startLevel + // if none of these values are defined, fallback on this._firstLevel (first quality level appearing in variant manifest) + if (this._startLevel === undefined) { + var configStartLevel = this.hls.config.startLevel; - this.altAudio = altAudio; - this.tick(); - }; - - _proto.onBufferCreated = function onBufferCreated(data) { - var tracks = data.tracks, - mediaTrack, - name, - alternate = false; - - for (var type in tracks) { - var track = tracks[type]; - - if (track.id === 'main') { - name = type; - mediaTrack = track; // keep video source buffer reference - - if (type === 'video') { - this.videoBuffer = tracks[type].buffer; + if (configStartLevel !== undefined) { + return configStartLevel; + } else { + return this._firstLevel; } } else { - alternate = true; + return this._startLevel; } + }, + set: function set(newLevel) { + this._startLevel = newLevel; } + }, { + key: "nextLoadLevel", + get: function get() { + if (this.manualLevelIndex !== -1) { + return this.manualLevelIndex; + } else { + return this.hls.nextAutoLevel; + } + }, + set: function set(nextLevel) { + this.level = nextLevel; - if (alternate && mediaTrack) { - logger["logger"].log("alternate track found, use " + name + ".buffered to schedule main fragment loading"); - this.mediaBuffer = mediaTrack.buffer; - } else { - this.mediaBuffer = this.media; + if (this.manualLevelIndex === -1) { + this.hls.nextAutoLevel = nextLevel; + } } - }; + }]); - _proto.onBufferAppended = function onBufferAppended(data) { - if (data.parent === 'main') { - var state = this.state; - - if (state === State.PARSING || state === State.PARSED) { - // check if all buffers have been appended - this.pendingBuffering = data.pending > 0; + return LevelController; +}(event_handler); - this._checkAppendedParsed(); - } - } - }; - _proto._checkAppendedParsed = function _checkAppendedParsed() { - // trigger handler right now - if (this.state === State.PARSED && (!this.appended || !this.pendingBuffering)) { - var frag = this.fragCurrent; +// EXTERNAL MODULE: ./src/demux/id3.js +var id3 = __webpack_require__("./src/demux/id3.js"); - if (frag) { - var media = this.mediaBuffer ? this.mediaBuffer : this.media; - logger["logger"].log("main buffered : " + time_ranges.toString(media.buffered)); - this.fragPrevious = frag; - var stats = this.stats; - stats.tbuffered = window.performance.now(); // we should get rid of this.fragLastKbps +// CONCATENATED MODULE: ./src/utils/texttrack-utils.ts +function sendAddTrackEvent(track, videoEl) { + var event; - this.fragLastKbps = Math.round(8 * stats.total / (stats.tbuffered - stats.tfirst)); - this.hls.trigger(events["default"].FRAG_BUFFERED, { - stats: stats, - frag: frag, - id: 'main' - }); - this.state = State.IDLE; - } + try { + event = new Event('addtrack'); + } catch (err) { + // for IE11 + event = document.createEvent('Event'); + event.initEvent('addtrack', false, false); + } - this.tick(); + event.track = track; + videoEl.dispatchEvent(event); +} +function clearCurrentCues(track) { + if (track && track.cues) { + while (track.cues.length > 0) { + track.removeCue(track.cues[0]); } - }; - - _proto.onError = function onError(data) { - var frag = data.frag || this.fragCurrent; // don't handle frag error not related to main fragment + } +} +/** - if (frag && frag.type !== 'main') { - return; - } // 0.5 : tolerance needed as some browsers stalls playback before reaching buffered end + * Given a list of Cues, finds the closest cue matching the given time. + * Modified verison of binary search O(log(n)). + * + * @export + * @param {(TextTrackCueList | TextTrackCue[])} cues - List of cues. + * @param {number} time - Target time, to find closest cue to. + * @returns {TextTrackCue} + */ +function getClosestCue(cues, time) { + // If the offset is less than the first element, the first element is the closest. + if (time < cues[0].endTime) { + return cues[0]; + } // If the offset is greater than the last cue, the last is the closest. - var mediaBuffered = !!this.media && BufferHelper.isBuffered(this.media, this.media.currentTime) && BufferHelper.isBuffered(this.media, this.media.currentTime + 0.5); - switch (data.details) { - case errors["ErrorDetails"].FRAG_LOAD_ERROR: - case errors["ErrorDetails"].FRAG_LOAD_TIMEOUT: - case errors["ErrorDetails"].KEY_LOAD_ERROR: - case errors["ErrorDetails"].KEY_LOAD_TIMEOUT: - if (!data.fatal) { - // keep retrying until the limit will be reached - if (this.fragLoadError + 1 <= this.config.fragLoadingMaxRetry) { - // exponential backoff capped to config.fragLoadingMaxRetryTimeout - var delay = Math.min(Math.pow(2, this.fragLoadError) * this.config.fragLoadingRetryDelay, this.config.fragLoadingMaxRetryTimeout); - logger["logger"].warn("mediaController: frag loading failed, retry in " + delay + " ms"); - this.retryDate = window.performance.now() + delay; // retry loading state - // if loadedmetadata is not set, it means that we are emergency switch down on first frag - // in that case, reset startFragRequested flag + if (time > cues[cues.length - 1].endTime) { + return cues[cues.length - 1]; + } - if (!this.loadedmetadata) { - this.startFragRequested = false; - this.nextLoadPosition = this.startPosition; - } + var left = 0; + var right = cues.length - 1; - this.fragLoadError++; - this.state = State.FRAG_LOADING_WAITING_RETRY; - } else { - logger["logger"].error("mediaController: " + data.details + " reaches max retry, redispatch as fatal ..."); // switch error to fatal + while (left <= right) { + var mid = Math.floor((right + left) / 2); - data.fatal = true; - this.state = State.ERROR; - } - } + if (time < cues[mid].endTime) { + right = mid - 1; + } else if (time > cues[mid].endTime) { + left = mid + 1; + } else { + // If it's not lower or higher, it must be equal. + return cues[mid]; + } + } // At this point, left and right have swapped. + // No direct match was found, left or right element must be the closest. Check which one has the smallest diff. - break; - case errors["ErrorDetails"].LEVEL_LOAD_ERROR: - case errors["ErrorDetails"].LEVEL_LOAD_TIMEOUT: - if (this.state !== State.ERROR) { - if (data.fatal) { - // if fatal error, stop processing - this.state = State.ERROR; - logger["logger"].warn("streamController: " + data.details + ",switch to " + this.state + " state ..."); - } else { - // in case of non fatal error while loading level, if level controller is not retrying to load level , switch back to IDLE - if (!data.levelRetry && this.state === State.WAITING_LEVEL) { - this.state = State.IDLE; - } - } - } + return cues[left].endTime - time < time - cues[right].endTime ? cues[left] : cues[right]; +} +// CONCATENATED MODULE: ./src/controller/id3-track-controller.js +function id3_track_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } - break; +/* + * id3 metadata track controller +*/ - case errors["ErrorDetails"].BUFFER_FULL_ERROR: - // if in appending state - if (data.parent === 'main' && (this.state === State.PARSING || this.state === State.PARSED)) { - // reduce max buf len if current position is buffered - if (mediaBuffered) { - this._reduceMaxBufferLength(this.config.maxBufferLength); - this.state = State.IDLE; - } else { - // current position is not buffered, but browser is still complaining about buffer full error - // this happens on IE/Edge, refer to https://github.com/video-dev/hls.js/pull/708 - // in that case flush the whole buffer to recover - logger["logger"].warn('buffer full error also media.currentTime is not buffered, flush everything'); - this.fragCurrent = null; // flush everything - this.flushMainBuffer(0, Number.POSITIVE_INFINITY); - } - } - break; - default: - break; - } - }; - _proto._reduceMaxBufferLength = function _reduceMaxBufferLength(minLength) { - var config = this.config; +var id3_track_controller_ID3TrackController = +/*#__PURE__*/ +function (_EventHandler) { + id3_track_controller_inheritsLoose(ID3TrackController, _EventHandler); - if (config.maxMaxBufferLength >= minLength) { - // reduce max buffer length as it might be too high. we do this to avoid loop flushing ... - config.maxMaxBufferLength /= 2; - logger["logger"].warn("main:reduce max buffer length to " + config.maxMaxBufferLength + "s"); - return true; - } + function ID3TrackController(hls) { + var _this; - return false; + _this = _EventHandler.call(this, hls, events["default"].MEDIA_ATTACHED, events["default"].MEDIA_DETACHING, events["default"].FRAG_PARSING_METADATA, events["default"].LIVE_BACK_BUFFER_REACHED) || this; + _this.id3Track = undefined; + _this.media = undefined; + return _this; } - /** - * Checks the health of the buffer and attempts to resolve playback stalls. - * @private - */ - ; - _proto._checkBuffer = function _checkBuffer() { - var media = this.media; + var _proto = ID3TrackController.prototype; - if (!media || media.readyState === 0) { - // Exit early if we don't have media or if the media hasn't bufferd anything yet (readyState 0) - return; - } + _proto.destroy = function destroy() { + event_handler.prototype.destroy.call(this); + } // Add ID3 metatadata text track. + ; - var mediaBuffer = this.mediaBuffer ? this.mediaBuffer : media; - var buffered = mediaBuffer.buffered; + _proto.onMediaAttached = function onMediaAttached(data) { + this.media = data.media; - if (!this.loadedmetadata && buffered.length) { - this.loadedmetadata = true; + if (!this.media) {} + }; - this._seekToStartPos(); - } else if (this.immediateSwitch) { - this.immediateLevelSwitchEnd(); - } else { - this.gapController.poll(this.lastCurrentTime, buffered); - } + _proto.onMediaDetaching = function onMediaDetaching() { + clearCurrentCues(this.id3Track); + this.id3Track = undefined; + this.media = undefined; }; - _proto.onFragLoadEmergencyAborted = function onFragLoadEmergencyAborted() { - this.state = State.IDLE; // if loadedmetadata is not set, it means that we are emergency switch down on first frag - // in that case, reset startFragRequested flag + _proto.getID3Track = function getID3Track(textTracks) { + for (var i = 0; i < textTracks.length; i++) { + var textTrack = textTracks[i]; - if (!this.loadedmetadata) { - this.startFragRequested = false; - this.nextLoadPosition = this.startPosition; + if (textTrack.kind === 'metadata' && textTrack.label === 'id3') { + // send 'addtrack' when reusing the textTrack for metadata, + // same as what we do for captions + sendAddTrackEvent(textTrack, this.media); + return textTrack; + } } - this.tick(); + return this.media.addTextTrack('metadata', 'id3'); }; - _proto.onBufferFlushed = function onBufferFlushed() { - /* after successful buffer flushing, filter flushed fragments from bufferedFrags - use mediaBuffered instead of media (so that we will check against video.buffered ranges in case of alt audio track) - */ - var media = this.mediaBuffer ? this.mediaBuffer : this.media; + _proto.onLiveBackBufferReached = function onLiveBackBufferReached(_ref) { + var bufferEnd = _ref.bufferEnd; - if (media) { - // filter fragments potentially evicted from buffer. this is to avoid memleak on live streams - this.fragmentTracker.detectEvictedFragments(ElementaryStreamTypes.VIDEO, media.buffered); - } // move to IDLE once flush complete. this should trigger new fragment loading + if (!this.id3Track || !this.id3Track.cues || !this.id3Track.cues.length) { + return; + } + var foundCue = getClosestCue(this.id3Track.cues, bufferEnd); - this.state = State.IDLE; // reset reference to frag + if (!foundCue) { + return; + } - this.fragPrevious = null; - }; + var removeCues = true; - _proto.swapAudioCodec = function swapAudioCodec() { - this.audioCodecSwap = !this.audioCodecSwap; - } - /** - * Seeks to the set startPosition if not equal to the mediaElement's current time. - * @private - */ - ; - - _proto._seekToStartPos = function _seekToStartPos() { - var media = this.media; - var currentTime = media.currentTime; // only adjust currentTime if different from startPosition or if startPosition not buffered - // at that stage, there should be only one buffered range, as we reach that code after first fragment has been buffered + while (removeCues) { + var cue = this.id3Track.cues[0]; - var startPosition = media.seeking ? currentTime : this.startPosition; // if currentTime not matching with expected startPosition or startPosition not buffered but close to first buffered + if (!this.id3Track.cues.length || cue.id === foundCue.id) { + removeCues = false; + return; + } - if (currentTime !== startPosition && startPosition >= 0) { - // if startPosition not buffered, let's seek to buffered.start(0) - logger["logger"].log("target start position not buffered, seek to buffered.start(0) " + startPosition + " from current time " + currentTime + " "); - media.currentTime = startPosition; + this.id3Track.removeCue(cue); } }; - _proto._getAudioCodec = function _getAudioCodec(currentLevel) { - var audioCodec = this.config.defaultAudioCodec || currentLevel.audioCodec; + _proto.onFragParsingMetadata = function onFragParsingMetadata(data) { + var fragment = data.frag; + var samples = data.samples; // create track dynamically - if (this.audioCodecSwap) { - logger["logger"].log('swapping playlist audio codec'); + if (!this.id3Track) { + this.id3Track = this.getID3Track(this.media.textTracks); + this.id3Track.mode = 'hidden'; + } // Attempt to recreate Safari functionality by creating + // WebKitDataCue objects when available and store the decoded + // ID3 data in the value property of the cue - if (audioCodec) { - if (audioCodec.indexOf('mp4a.40.5') !== -1) { - audioCodec = 'mp4a.40.2'; - } else { - audioCodec = 'mp4a.40.5'; - } - } - } - return audioCodec; - }; + var Cue = window.WebKitDataCue || window.VTTCue || window.TextTrackCue; - stream_controller_createClass(StreamController, [{ - key: "state", - set: function set(nextState) { - if (this.state !== nextState) { - var previousState = this.state; - this._state = nextState; - logger["logger"].log("main stream-controller: " + previousState + "->" + nextState); - this.hls.trigger(events["default"].STREAM_STATE_TRANSITION, { - previousState: previousState, - nextState: nextState - }); - } - }, - get: function get() { - return this._state; - } - }, { - key: "currentLevel", - get: function get() { - var media = this.media; + for (var i = 0; i < samples.length; i++) { + var frames = id3["default"].getID3Frames(samples[i].data); - if (media) { - var frag = this.getBufferedFrag(media.currentTime); + if (frames) { + var startTime = samples[i].pts; + var endTime = i < samples.length - 1 ? samples[i + 1].pts : fragment.endPTS; - if (frag) { - return frag.level; + if (startTime === endTime) { + // Give a slight bump to the endTime if it's equal to startTime to avoid a SyntaxError in IE + endTime += 0.0001; + } else if (startTime > endTime) { + logger["logger"].warn('detected an id3 sample with endTime < startTime, adjusting endTime to (startTime + 0.25)'); + endTime = startTime + 0.25; } - } - - return -1; - } - }, { - key: "nextBufferedFrag", - get: function get() { - var media = this.media; - if (media) { - // first get end range of current fragment - return this.followingBufferedFrag(this.getBufferedFrag(media.currentTime)); - } else { - return null; - } - } - }, { - key: "nextLevel", - get: function get() { - var frag = this.nextBufferedFrag; + for (var j = 0; j < frames.length; j++) { + var frame = frames[j]; // Safari doesn't put the timestamp frame in the TextTrack - if (frag) { - return frag.level; - } else { - return -1; + if (!id3["default"].isTimeStampFrame(frame)) { + var cue = new Cue(startTime, endTime, ''); + cue.value = frame; + this.id3Track.addCue(cue); + } + } } } - }, { - key: "liveSyncPosition", - get: function get() { - return this._liveSyncPosition; - }, - set: function set(value) { - this._liveSyncPosition = value; - } - }]); - - return StreamController; -}(base_stream_controller_BaseStreamController); + }; -/* harmony default export */ var stream_controller = (stream_controller_StreamController); -// CONCATENATED MODULE: ./src/controller/level-controller.js -function level_controller_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } + _proto.onLiveBackBufferReached = function onLiveBackBufferReached(_ref2) { + var bufferEnd = _ref2.bufferEnd; + var id3Track = this.id3Track; -function level_controller_createClass(Constructor, protoProps, staticProps) { if (protoProps) level_controller_defineProperties(Constructor.prototype, protoProps); if (staticProps) level_controller_defineProperties(Constructor, staticProps); return Constructor; } + if (!id3Track || !id3Track.cues || !id3Track.cues.length) { + return; + } -function level_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } + var foundCue = getClosestCue(id3Track.cues, bufferEnd); -/* - * Level Controller -*/ + if (!foundCue) { + return; + } + while (id3Track.cues[0] !== foundCue) { + id3Track.removeCue(id3Track.cues[0]); + } + }; + return ID3TrackController; +}(event_handler); +/* harmony default export */ var id3_track_controller = (id3_track_controller_ID3TrackController); +// CONCATENATED MODULE: ./src/is-supported.ts +function is_supported_isSupported() { + var mediaSource = getMediaSource(); + if (!mediaSource) { + return false; + } -var level_controller_window = window, - level_controller_performance = level_controller_window.performance; -var chromeOrFirefox; + var sourceBuffer = self.SourceBuffer || self.WebKitSourceBuffer; + var isTypeSupported = mediaSource && typeof mediaSource.isTypeSupported === 'function' && mediaSource.isTypeSupported('video/mp4; codecs="avc1.42E01E,mp4a.40.2"'); // if SourceBuffer is exposed ensure its API is valid + // safari and old version of Chrome doe not expose SourceBuffer globally so checking SourceBuffer.prototype is impossible -var level_controller_LevelController = + var sourceBufferValidAPI = !sourceBuffer || sourceBuffer.prototype && typeof sourceBuffer.prototype.appendBuffer === 'function' && typeof sourceBuffer.prototype.remove === 'function'; + return !!isTypeSupported && !!sourceBufferValidAPI; +} +// CONCATENATED MODULE: ./src/utils/ewma.ts +/* + * compute an Exponential Weighted moving average + * - https://en.wikipedia.org/wiki/Moving_average#Exponential_moving_average + * - heavily inspired from shaka-player + */ +var EWMA = /*#__PURE__*/ -function (_EventHandler) { - level_controller_inheritsLoose(LevelController, _EventHandler); - - function LevelController(hls) { - var _this; - - _this = _EventHandler.call(this, hls, events["default"].MANIFEST_LOADED, events["default"].LEVEL_LOADED, events["default"].AUDIO_TRACK_SWITCHED, events["default"].FRAG_LOADED, events["default"].ERROR) || this; - _this.canload = false; - _this.currentLevelIndex = null; - _this.manualLevelIndex = -1; - _this.timer = null; - chromeOrFirefox = /chrome|firefox/.test(navigator.userAgent.toLowerCase()); - return _this; +function () { + // About half of the estimated value will be from the last |halfLife| samples by weight. + function EWMA(halfLife) { + this.alpha_ = void 0; + this.estimate_ = void 0; + this.totalWeight_ = void 0; + // Larger values of alpha expire historical data more slowly. + this.alpha_ = halfLife ? Math.exp(Math.log(0.5) / halfLife) : 0; + this.estimate_ = 0; + this.totalWeight_ = 0; } - var _proto = LevelController.prototype; + var _proto = EWMA.prototype; - _proto.onHandlerDestroying = function onHandlerDestroying() { - this.clearTimer(); - this.manualLevelIndex = -1; + _proto.sample = function sample(weight, value) { + var adjAlpha = Math.pow(this.alpha_, weight); + this.estimate_ = value * (1 - adjAlpha) + adjAlpha * this.estimate_; + this.totalWeight_ += weight; }; - _proto.clearTimer = function clearTimer() { - if (this.timer !== null) { - clearTimeout(this.timer); - this.timer = null; - } + _proto.getTotalWeight = function getTotalWeight() { + return this.totalWeight_; }; - _proto.startLoad = function startLoad() { - var levels = this._levels; - this.canload = true; - this.levelRetryCount = 0; // clean up live level details to force reload them, and reset load errors - - if (levels) { - levels.forEach(function (level) { - level.loadError = 0; - var levelDetails = level.details; - - if (levelDetails && levelDetails.live) { - level.details = undefined; - } - }); - } // speed up live playlist refresh if timer exists - - - if (this.timer !== null) { - this.loadLevel(); + _proto.getEstimate = function getEstimate() { + if (this.alpha_) { + var zeroFactor = 1 - Math.pow(this.alpha_, this.totalWeight_); + return this.estimate_ / zeroFactor; + } else { + return this.estimate_; } }; - _proto.stopLoad = function stopLoad() { - this.canload = false; - }; - - _proto.onManifestLoaded = function onManifestLoaded(data) { - var levels = []; - var audioTracks = []; - var bitrateStart; - var levelSet = {}; - var levelFromSet = null; - var videoCodecFound = false; - var audioCodecFound = false; // regroup redundant levels together + return EWMA; +}(); - data.levels.forEach(function (level) { - var attributes = level.attrs; - level.loadError = 0; - level.fragmentError = false; - videoCodecFound = videoCodecFound || !!level.videoCodec; - audioCodecFound = audioCodecFound || !!level.audioCodec; // erase audio codec info if browser does not support mp4a.40.34. - // demuxer will autodetect codec and fallback to mpeg/audio +/* harmony default export */ var ewma = (EWMA); +// CONCATENATED MODULE: ./src/utils/ewma-bandwidth-estimator.ts +/* + * EWMA Bandwidth Estimator + * - heavily inspired from shaka-player + * Tracks bandwidth samples and estimates available bandwidth. + * Based on the minimum of two exponentially-weighted moving averages with + * different half-lives. + */ - if (chromeOrFirefox && level.audioCodec && level.audioCodec.indexOf('mp4a.40.34') !== -1) { - level.audioCodec = undefined; - } - levelFromSet = levelSet[level.bitrate]; // FIXME: we would also have to match the resolution here +var ewma_bandwidth_estimator_EwmaBandWidthEstimator = +/*#__PURE__*/ +function () { + // TODO(typescript-hls) + function EwmaBandWidthEstimator(hls, slow, fast, defaultEstimate) { + this.hls = void 0; + this.defaultEstimate_ = void 0; + this.minWeight_ = void 0; + this.minDelayMs_ = void 0; + this.slow_ = void 0; + this.fast_ = void 0; + this.hls = hls; + this.defaultEstimate_ = defaultEstimate; + this.minWeight_ = 0.001; + this.minDelayMs_ = 50; + this.slow_ = new ewma(slow); + this.fast_ = new ewma(fast); + } - if (!levelFromSet) { - level.url = [level.url]; - level.urlId = 0; - levelSet[level.bitrate] = level; - levels.push(level); - } else { - levelFromSet.url.push(level.url); - } + var _proto = EwmaBandWidthEstimator.prototype; - if (attributes) { - if (attributes.AUDIO) { - audioCodecFound = true; - addGroupId(levelFromSet || level, 'audio', attributes.AUDIO); - } + _proto.sample = function sample(durationMs, numBytes) { + durationMs = Math.max(durationMs, this.minDelayMs_); + var numBits = 8 * numBytes, + // weight is duration in seconds + durationS = durationMs / 1000, + // value is bandwidth in bits/s + bandwidthInBps = numBits / durationS; + this.fast_.sample(durationS, bandwidthInBps); + this.slow_.sample(durationS, bandwidthInBps); + }; - if (attributes.SUBTITLES) { - addGroupId(levelFromSet || level, 'text', attributes.SUBTITLES); - } - } - }); // remove audio-only level if we also have levels with audio+video codecs signalled + _proto.canEstimate = function canEstimate() { + var fast = this.fast_; + return fast && fast.getTotalWeight() >= this.minWeight_; + }; - if (videoCodecFound && audioCodecFound) { - levels = levels.filter(function (_ref) { - var videoCodec = _ref.videoCodec; - return !!videoCodec; - }); - } // only keep levels with supported audio/video codecs + _proto.getEstimate = function getEstimate() { + if (this.canEstimate()) { + // console.log('slow estimate:'+ Math.round(this.slow_.getEstimate())); + // console.log('fast estimate:'+ Math.round(this.fast_.getEstimate())); + // Take the minimum of these two estimates. This should have the effect of + // adapting down quickly, but up more slowly. + return Math.min(this.fast_.getEstimate(), this.slow_.getEstimate()); + } else { + return this.defaultEstimate_; + } + }; + _proto.destroy = function destroy() {}; - levels = levels.filter(function (_ref2) { - var audioCodec = _ref2.audioCodec, - videoCodec = _ref2.videoCodec; - return (!audioCodec || isCodecSupportedInMp4(audioCodec, 'audio')) && (!videoCodec || isCodecSupportedInMp4(videoCodec, 'video')); - }); + return EwmaBandWidthEstimator; +}(); - if (data.audioTracks) { - audioTracks = data.audioTracks.filter(function (track) { - return !track.audioCodec || isCodecSupportedInMp4(track.audioCodec, 'audio'); - }); // Reassign id's after filtering since they're used as array indices +/* harmony default export */ var ewma_bandwidth_estimator = (ewma_bandwidth_estimator_EwmaBandWidthEstimator); +// CONCATENATED MODULE: ./src/controller/abr-controller.js - audioTracks.forEach(function (track, index) { - track.id = index; - }); - } - if (levels.length > 0) { - // start bitrate is the first bitrate of the manifest - bitrateStart = levels[0].bitrate; // sort level on bitrate - levels.sort(function (a, b) { - return a.bitrate - b.bitrate; - }); - this._levels = levels; // find index of first level in sorted levels +function abr_controller_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } - for (var i = 0; i < levels.length; i++) { - if (levels[i].bitrate === bitrateStart) { - this._firstLevel = i; - logger["logger"].log("manifest loaded," + levels.length + " level(s) found, first bitrate:" + bitrateStart); - break; - } - } // Audio is only alternate if manifest include a URI along with the audio group tag +function abr_controller_createClass(Constructor, protoProps, staticProps) { if (protoProps) abr_controller_defineProperties(Constructor.prototype, protoProps); if (staticProps) abr_controller_defineProperties(Constructor, staticProps); return Constructor; } +function abr_controller_assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } - this.hls.trigger(events["default"].MANIFEST_PARSED, { - levels: levels, - audioTracks: audioTracks, - firstLevel: this._firstLevel, - stats: data.stats, - audio: audioCodecFound, - video: videoCodecFound, - altAudio: audioTracks.some(function (t) { - return !!t.url; - }) - }); - } else { - this.hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].MEDIA_ERROR, - details: errors["ErrorDetails"].MANIFEST_INCOMPATIBLE_CODECS_ERROR, - fatal: true, - url: this.hls.url, - reason: 'no level with compatible codecs found in manifest' - }); - } +function abr_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } + +/* + * simple ABR Controller + * - compute next level based on last fragment bw heuristics + * - implement an abandon rules triggered if we have less than 2 frag buffered and if computed bw shows that we risk buffer stalling + */ + + + + + + +var abr_controller_window = window, + abr_controller_performance = abr_controller_window.performance; + +var abr_controller_AbrController = +/*#__PURE__*/ +function (_EventHandler) { + abr_controller_inheritsLoose(AbrController, _EventHandler); + + function AbrController(hls) { + var _this; + + _this = _EventHandler.call(this, hls, events["default"].FRAG_LOADING, events["default"].FRAG_LOADED, events["default"].FRAG_BUFFERED, events["default"].ERROR) || this; + _this.lastLoadedFragLevel = 0; + _this._nextAutoLevel = -1; + _this.hls = hls; + _this.timer = null; + _this._bwEstimator = null; + _this.onCheck = _this._abandonRulesCheck.bind(abr_controller_assertThisInitialized(_this)); + return _this; + } + + var _proto = AbrController.prototype; + + _proto.destroy = function destroy() { + this.clearTimer(); + event_handler.prototype.destroy.call(this); }; - _proto.setLevelInternal = function setLevelInternal(newLevel) { - var levels = this._levels; - var hls = this.hls; // check if level idx is valid + _proto.onFragLoading = function onFragLoading(data) { + var frag = data.frag; - if (newLevel >= 0 && newLevel < levels.length) { - // stopping live reloading timer if any - this.clearTimer(); + if (frag.type === 'main') { + if (!this.timer) { + this.fragCurrent = frag; + this.timer = setInterval(this.onCheck, 100); + } // lazy init of BwEstimator, rationale is that we use different params for Live/VoD + // so we need to wait for stream manifest / playlist type to instantiate it. - if (this.currentLevelIndex !== newLevel) { - logger["logger"].log("switching to level " + newLevel); - this.currentLevelIndex = newLevel; - var levelProperties = levels[newLevel]; - levelProperties.level = newLevel; - hls.trigger(events["default"].LEVEL_SWITCHING, levelProperties); - } - var level = levels[newLevel]; - var levelDetails = level.details; // check if we need to load playlist for this level + if (!this._bwEstimator) { + var hls = this.hls; + var config = hls.config; + var level = frag.level; + var isLive = hls.levels[level].details.live; + var ewmaFast; + var ewmaSlow; - if (!levelDetails || levelDetails.live) { - // level not retrieved yet, or live playlist we need to (re)load it - var urlId = level.urlId; - hls.trigger(events["default"].LEVEL_LOADING, { - url: level.url[urlId], - level: newLevel, - id: urlId - }); + if (isLive) { + ewmaFast = config.abrEwmaFastLive; + ewmaSlow = config.abrEwmaSlowLive; + } else { + ewmaFast = config.abrEwmaFastVoD; + ewmaSlow = config.abrEwmaSlowVoD; + } + + this._bwEstimator = new ewma_bandwidth_estimator(hls, ewmaSlow, ewmaFast, config.abrEwmaDefaultEstimate); } - } else { - // invalid level id given, trigger error - hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].OTHER_ERROR, - details: errors["ErrorDetails"].LEVEL_SWITCH_ERROR, - level: newLevel, - fatal: false, - reason: 'invalid level idx' - }); } }; - _proto.onError = function onError(data) { - if (data.fatal) { - if (data.type === errors["ErrorTypes"].NETWORK_ERROR) { - this.clearTimer(); - } + _proto._abandonRulesCheck = function _abandonRulesCheck() { + /* + monitor fragment retrieval time... + we compute expected time of arrival of the complete fragment. + we compare it to expected time of buffer starvation + */ + var hls = this.hls; + var video = hls.media; + var frag = this.fragCurrent; + if (!frag) { return; } - var levelError = false, - fragmentError = false; - var levelIndex; // try to recover not fatal errors + var loader = frag.loader; + var minAutoLevel = hls.minAutoLevel; // if loader has been destroyed or loading has been aborted, stop timer and return - switch (data.details) { - case errors["ErrorDetails"].FRAG_LOAD_ERROR: - case errors["ErrorDetails"].FRAG_LOAD_TIMEOUT: - case errors["ErrorDetails"].KEY_LOAD_ERROR: - case errors["ErrorDetails"].KEY_LOAD_TIMEOUT: - levelIndex = data.frag.level; - fragmentError = true; - break; - - case errors["ErrorDetails"].LEVEL_LOAD_ERROR: - case errors["ErrorDetails"].LEVEL_LOAD_TIMEOUT: - levelIndex = data.context.level; - levelError = true; - break; + if (!loader || loader.stats && loader.stats.aborted) { + logger["logger"].warn('frag loader destroy or aborted, disarm abandonRules'); + this.clearTimer(); // reset forced auto level value so that next level will be selected - case errors["ErrorDetails"].REMUX_ALLOC_ERROR: - levelIndex = data.level; - levelError = true; - break; + this._nextAutoLevel = -1; + return; } - if (levelIndex !== undefined) { - this.recoverLevel(data, levelIndex, levelError, fragmentError); - } - } - /** - * Switch to a redundant stream if any available. - * If redundant stream is not available, emergency switch down if ABR mode is enabled. - * - * @param {Object} errorEvent - * @param {Number} levelIndex current level index - * @param {Boolean} levelError - * @param {Boolean} fragmentError - */ - // FIXME Find a better abstraction where fragment/level retry management is well decoupled - ; + var stats = loader.stats; + /* only monitor frag retrieval time if + (video not paused OR first fragment being loaded(ready state === HAVE_NOTHING = 0)) AND autoswitching enabled AND not lowest level (=> means that we have several levels) */ - _proto.recoverLevel = function recoverLevel(errorEvent, levelIndex, levelError, fragmentError) { - var _this2 = this; + if (video && stats && (!video.paused && video.playbackRate !== 0 || !video.readyState) && frag.autoLevel && frag.level) { + var requestDelay = abr_controller_performance.now() - stats.trequest; + var playbackRate = Math.abs(video.playbackRate); // monitor fragment load progress after half of expected fragment duration,to stabilize bitrate - var config = this.hls.config; - var errorDetails = errorEvent.details; - var level = this._levels[levelIndex]; - var redundantLevels, delay, nextLevel; - level.loadError++; - level.fragmentError = fragmentError; + if (requestDelay > 500 * frag.duration / playbackRate) { + var levels = hls.levels; + var loadRate = Math.max(1, stats.bw ? stats.bw / 8 : stats.loaded * 1000 / requestDelay); // byte/s; at least 1 byte/s to avoid division by zero + // compute expected fragment length using frag duration and level bitrate. also ensure that expected len is gte than already loaded size - if (levelError) { - if (this.levelRetryCount + 1 <= config.levelLoadingMaxRetry) { - // exponential backoff capped to max retry timeout - delay = Math.min(Math.pow(2, this.levelRetryCount) * config.levelLoadingRetryDelay, config.levelLoadingMaxRetryTimeout); // Schedule level reload + var level = levels[frag.level]; + var levelBitrate = level.realBitrate ? Math.max(level.realBitrate, level.bitrate) : level.bitrate; + var expectedLen = stats.total ? stats.total : Math.max(stats.loaded, Math.round(frag.duration * levelBitrate / 8)); + var pos = video.currentTime; + var fragLoadedDelay = (expectedLen - stats.loaded) / loadRate; + var bufferStarvationDelay = (BufferHelper.bufferInfo(video, pos, hls.config.maxBufferHole).end - pos) / playbackRate; // consider emergency switch down only if we have less than 2 frag buffered AND + // time to finish loading current fragment is bigger than buffer starvation delay + // ie if we risk buffer starvation if bw does not increase quickly - this.timer = setTimeout(function () { - return _this2.loadLevel(); - }, delay); // boolean used to inform stream controller not to switch back to IDLE on non fatal error + if (bufferStarvationDelay < 2 * frag.duration / playbackRate && fragLoadedDelay > bufferStarvationDelay) { + var fragLevelNextLoadedDelay; + var nextLoadLevel; // lets iterate through lower level and try to find the biggest one that could avoid rebuffering + // we start from current level - 1 and we step down , until we find a matching level - errorEvent.levelRetry = true; - this.levelRetryCount++; - logger["logger"].warn("level controller, " + errorDetails + ", retry in " + delay + " ms, current retry count is " + this.levelRetryCount); - } else { - logger["logger"].error("level controller, cannot recover from " + errorDetails + " error"); - this.currentLevelIndex = null; // stopping live reloading timer if any + for (nextLoadLevel = frag.level - 1; nextLoadLevel > minAutoLevel; nextLoadLevel--) { + // compute time to load next fragment at lower level + // 0.8 : consider only 80% of current bw to be conservative + // 8 = bits per byte (bps/Bps) + var levelNextBitrate = levels[nextLoadLevel].realBitrate ? Math.max(levels[nextLoadLevel].realBitrate, levels[nextLoadLevel].bitrate) : levels[nextLoadLevel].bitrate; - this.clearTimer(); // switch error to fatal + var _fragLevelNextLoadedDelay = frag.duration * levelNextBitrate / (8 * 0.8 * loadRate); - errorEvent.fatal = true; - return; - } - } // Try any redundant streams if available for both errors: level and fragment - // If level.loadError reaches redundantLevels it means that we tried them all, no hope => let's switch down + if (_fragLevelNextLoadedDelay < bufferStarvationDelay) { + // we found a lower level that be rebuffering free with current estimated bw ! + break; + } + } // only emergency switch down if it takes less time to load new fragment at lowest level instead + // of finishing loading current one ... - if (levelError || fragmentError) { - redundantLevels = level.url.length; + if (fragLevelNextLoadedDelay < fragLoadedDelay) { + logger["logger"].warn("loading too slow, abort fragment loading and switch to level " + nextLoadLevel + ":fragLoadedDelay[" + nextLoadLevel + "]<fragLoadedDelay[" + (frag.level - 1) + "];bufferStarvationDelay:" + fragLevelNextLoadedDelay.toFixed(1) + "<" + fragLoadedDelay.toFixed(1) + ":" + bufferStarvationDelay.toFixed(1)); // force next load level in auto mode - if (redundantLevels > 1 && level.loadError < redundantLevels) { - level.urlId = (level.urlId + 1) % redundantLevels; - level.details = undefined; - logger["logger"].warn("level controller, " + errorDetails + " for level " + levelIndex + ": switching to redundant URL-id " + level.urlId); // console.log('Current audio track group ID:', this.hls.audioTracks[this.hls.audioTrack].groupId); - // console.log('New video quality level audio group id:', level.attrs.AUDIO); - } else { - // Search for available level - if (this.manualLevelIndex === -1) { - // When lowest level has been reached, let's start hunt from the top - nextLevel = levelIndex === 0 ? this._levels.length - 1 : levelIndex - 1; - logger["logger"].warn("level controller, " + errorDetails + ": switch to " + nextLevel); - this.hls.nextAutoLevel = this.currentLevelIndex = nextLevel; - } else if (fragmentError) { - // Allow fragment retry as long as configuration allows. - // reset this._level so that another call to set level() will trigger again a frag load - logger["logger"].warn("level controller, " + errorDetails + ": reload a fragment"); - this.currentLevelIndex = null; - } - } - } - } // reset errors on the successful load of a fragment - ; + hls.nextLoadLevel = nextLoadLevel; // update bw estimate for this fragment before cancelling load (this will help reducing the bw) - _proto.onFragLoaded = function onFragLoaded(_ref3) { - var frag = _ref3.frag; + this._bwEstimator.sample(requestDelay, stats.loaded); // abort fragment loading - if (frag !== undefined && frag.type === 'main') { - var level = this._levels[frag.level]; - if (level !== undefined) { - level.fragmentError = false; - level.loadError = 0; - this.levelRetryCount = 0; + loader.abort(); // stop abandon rules timer + + this.clearTimer(); + hls.trigger(events["default"].FRAG_LOAD_EMERGENCY_ABORTED, { + frag: frag, + stats: stats + }); + } + } } } }; - _proto.onLevelLoaded = function onLevelLoaded(data) { - var _this3 = this; + _proto.onFragLoaded = function onFragLoaded(data) { + var frag = data.frag; - var level = data.level, - details = data.details; // only process level loaded events matching with expected level + if (frag.type === 'main' && Object(number_isFinite["isFiniteNumber"])(frag.sn)) { + // stop monitoring bw once frag loaded + this.clearTimer(); // store level id after successful fragment load - if (level !== this.currentLevelIndex) { - return; - } + this.lastLoadedFragLevel = frag.level; // reset forced auto level value so that next level will be selected - var curLevel = this._levels[level]; // reset level load error counter on successful level loaded only if there is no issues with fragments + this._nextAutoLevel = -1; // compute level average bitrate - if (!curLevel.fragmentError) { - curLevel.loadError = 0; - this.levelRetryCount = 0; - } // if current playlist is a live playlist, arm a timer to reload it + if (this.hls.config.abrMaxWithRealBitrate) { + var level = this.hls.levels[frag.level]; + var loadedBytes = (level.loaded ? level.loaded.bytes : 0) + data.stats.loaded; + var loadedDuration = (level.loaded ? level.loaded.duration : 0) + data.frag.duration; + level.loaded = { + bytes: loadedBytes, + duration: loadedDuration + }; + level.realBitrate = Math.round(8 * loadedBytes / loadedDuration); + } // if fragment has been loaded to perform a bitrate test, - if (details.live) { - var reloadInterval = computeReloadInterval(curLevel.details, details, data.stats.trequest); - logger["logger"].log("live playlist, reload in " + Math.round(reloadInterval) + " ms"); - this.timer = setTimeout(function () { - return _this3.loadLevel(); - }, reloadInterval); - } else { - this.clearTimer(); + if (data.frag.bitrateTest) { + var stats = data.stats; + stats.tparsed = stats.tbuffered = stats.tload; + this.onFragBuffered(data); + } } }; - _proto.onAudioTrackSwitched = function onAudioTrackSwitched(data) { - var audioGroupId = this.hls.audioTracks[data.id].groupId; - var currentLevel = this.hls.levels[this.currentLevelIndex]; + _proto.onFragBuffered = function onFragBuffered(data) { + var stats = data.stats; + var frag = data.frag; // only update stats on first frag buffering + // if same frag is loaded multiple times, it might be in browser cache, and loaded quickly + // and leading to wrong bw estimation + // on bitrate test, also only update stats once (if tload = tbuffered == on FRAG_LOADED) - if (!currentLevel) { - return; - } + if (stats.aborted !== true && frag.type === 'main' && Object(number_isFinite["isFiniteNumber"])(frag.sn) && (!frag.bitrateTest || stats.tload === stats.tbuffered)) { + // use tparsed-trequest instead of tbuffered-trequest to compute fragLoadingProcessing; rationale is that buffer appending only happens once media is attached + // in case we use config.startFragPrefetch while media is not attached yet, fragment might be parsed while media not attached yet, but it will only be buffered on media attached + // as a consequence it could happen really late in the process. meaning that appending duration might appears huge ... leading to underestimated throughput estimation + var fragLoadingProcessingMs = stats.tparsed - stats.trequest; + logger["logger"].log("latency/loading/parsing/append/kbps:" + Math.round(stats.tfirst - stats.trequest) + "/" + Math.round(stats.tload - stats.tfirst) + "/" + Math.round(stats.tparsed - stats.tload) + "/" + Math.round(stats.tbuffered - stats.tparsed) + "/" + Math.round(8 * stats.loaded / (stats.tbuffered - stats.trequest))); - if (currentLevel.audioGroupIds) { - var urlId = -1; + this._bwEstimator.sample(fragLoadingProcessingMs, stats.loaded); - for (var i = 0; i < currentLevel.audioGroupIds.length; i++) { - if (currentLevel.audioGroupIds[i] === audioGroupId) { - urlId = i; - break; - } - } + stats.bwEstimate = this._bwEstimator.getEstimate(); // if fragment has been loaded to perform a bitrate test, (hls.startLevel = -1), store bitrate test delay duration - if (urlId !== currentLevel.urlId) { - currentLevel.urlId = urlId; - this.startLoad(); + if (frag.bitrateTest) { + this.bitrateTestDelay = fragLoadingProcessingMs / 1000; + } else { + this.bitrateTestDelay = 0; } } }; - _proto.loadLevel = function loadLevel() { - logger["logger"].debug('call to loadLevel'); - - if (this.currentLevelIndex !== null && this.canload) { - var levelObject = this._levels[this.currentLevelIndex]; - - if (typeof levelObject === 'object' && levelObject.url.length > 0) { - var level = this.currentLevelIndex; - var id = levelObject.urlId; - var url = levelObject.url[id]; - logger["logger"].log("Attempt loading level index " + level + " with URL-id " + id); // console.log('Current audio track group ID:', this.hls.audioTracks[this.hls.audioTrack].groupId); - // console.log('New video quality level audio group id:', levelObject.attrs.AUDIO, level); + _proto.onError = function onError(data) { + // stop timer in case of frag loading error + switch (data.details) { + case errors["ErrorDetails"].FRAG_LOAD_ERROR: + case errors["ErrorDetails"].FRAG_LOAD_TIMEOUT: + this.clearTimer(); + break; - this.hls.trigger(events["default"].LEVEL_LOADING, { - url: url, - level: level, - id: id - }); - } + default: + break; } }; - level_controller_createClass(LevelController, [{ - key: "levels", - get: function get() { - return this._levels; - } - }, { - key: "level", - get: function get() { - return this.currentLevelIndex; - }, - set: function set(newLevel) { - var levels = this._levels; + _proto.clearTimer = function clearTimer() { + clearInterval(this.timer); + this.timer = null; + } // return next auto level + ; - if (levels) { - newLevel = Math.min(newLevel, levels.length - 1); + _proto._findBestLevel = function _findBestLevel(currentLevel, currentFragDuration, currentBw, minAutoLevel, maxAutoLevel, maxFetchDuration, bwFactor, bwUpFactor, levels) { + for (var i = maxAutoLevel; i >= minAutoLevel; i--) { + var levelInfo = levels[i]; - if (this.currentLevelIndex !== newLevel || !levels[newLevel].details) { - this.setLevelInternal(newLevel); - } + if (!levelInfo) { + continue; } - } - }, { - key: "manualLevel", - get: function get() { - return this.manualLevelIndex; - }, - set: function set(newLevel) { - this.manualLevelIndex = newLevel; - if (this._startLevel === undefined) { - this._startLevel = newLevel; + var levelDetails = levelInfo.details; + var avgDuration = levelDetails ? levelDetails.totalduration / levelDetails.fragments.length : currentFragDuration; + var live = levelDetails ? levelDetails.live : false; + var adjustedbw = void 0; // follow algorithm captured from stagefright : + // https://android.googlesource.com/platform/frameworks/av/+/master/media/libstagefright/httplive/LiveSession.cpp + // Pick the highest bandwidth stream below or equal to estimated bandwidth. + // consider only 80% of the available bandwidth, but if we are switching up, + // be even more conservative (70%) to avoid overestimating and immediately + // switching back. + + if (i <= currentLevel) { + adjustedbw = bwFactor * currentBw; + } else { + adjustedbw = bwUpFactor * currentBw; } - if (newLevel !== -1) { - this.level = newLevel; + var bitrate = levels[i].realBitrate ? Math.max(levels[i].realBitrate, levels[i].bitrate) : levels[i].bitrate; + var fetchDuration = bitrate * avgDuration / adjustedbw; + logger["logger"].trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: " + i + "/" + Math.round(adjustedbw) + "/" + bitrate + "/" + avgDuration + "/" + maxFetchDuration + "/" + fetchDuration); // if adjusted bw is greater than level bitrate AND + + if (adjustedbw > bitrate && ( // fragment fetchDuration unknown OR live stream OR fragment fetchDuration less than max allowed fetch duration, then this level matches + // we don't account for max Fetch Duration for live streams, this is to avoid switching down when near the edge of live sliding window ... + // special case to support startLevel = -1 (bitrateTest) on live streams : in that case we should not exit loop so that _findBestLevel will return -1 + !fetchDuration || live && !this.bitrateTestDelay || fetchDuration < maxFetchDuration)) { + // as we are looping from highest to lowest, this will return the best achievable quality level + return i; } - } - }, { - key: "firstLevel", - get: function get() { - return this._firstLevel; - }, - set: function set(newLevel) { - this._firstLevel = newLevel; - } - }, { - key: "startLevel", + } // not enough time budget even with quality level 0 ... rebuffering might happen + + + return -1; + }; + + abr_controller_createClass(AbrController, [{ + key: "nextAutoLevel", get: function get() { - // hls.startLevel takes precedence over config.startLevel - // if none of these values are defined, fallback on this._firstLevel (first quality level appearing in variant manifest) - if (this._startLevel === undefined) { - var configStartLevel = this.hls.config.startLevel; + var forcedAutoLevel = this._nextAutoLevel; + var bwEstimator = this._bwEstimator; // in case next auto level has been forced, and bw not available or not reliable, return forced value - if (configStartLevel !== undefined) { - return configStartLevel; - } else { - return this._firstLevel; - } - } else { - return this._startLevel; + if (forcedAutoLevel !== -1 && (!bwEstimator || !bwEstimator.canEstimate())) { + return forcedAutoLevel; + } // compute next level using ABR logic + + + var nextABRAutoLevel = this._nextABRAutoLevel; // if forced auto level has been defined, use it to cap ABR computed quality level + + if (forcedAutoLevel !== -1) { + nextABRAutoLevel = Math.min(forcedAutoLevel, nextABRAutoLevel); } + + return nextABRAutoLevel; }, - set: function set(newLevel) { - this._startLevel = newLevel; + set: function set(nextLevel) { + this._nextAutoLevel = nextLevel; } }, { - key: "nextLoadLevel", + key: "_nextABRAutoLevel", get: function get() { - if (this.manualLevelIndex !== -1) { - return this.manualLevelIndex; - } else { - return this.hls.nextAutoLevel; - } - }, - set: function set(nextLevel) { - this.level = nextLevel; - - if (this.manualLevelIndex === -1) { - this.hls.nextAutoLevel = nextLevel; - } - } - }]); - - return LevelController; -}(event_handler); - + var hls = this.hls; + var maxAutoLevel = hls.maxAutoLevel, + levels = hls.levels, + config = hls.config, + minAutoLevel = hls.minAutoLevel; + var video = hls.media; + var currentLevel = this.lastLoadedFragLevel; + var currentFragDuration = this.fragCurrent ? this.fragCurrent.duration : 0; + var pos = video ? video.currentTime : 0; // playbackRate is the absolute value of the playback rate; if video.playbackRate is 0, we use 1 to load as + // if we're playing back at the normal rate. -// EXTERNAL MODULE: ./src/demux/id3.js -var id3 = __webpack_require__("./src/demux/id3.js"); + var playbackRate = video && video.playbackRate !== 0 ? Math.abs(video.playbackRate) : 1.0; + var avgbw = this._bwEstimator ? this._bwEstimator.getEstimate() : config.abrEwmaDefaultEstimate; // bufferStarvationDelay is the wall-clock time left until the playback buffer is exhausted. -// CONCATENATED MODULE: ./src/utils/texttrack-utils.ts -function sendAddTrackEvent(track, videoEl) { - var event; + var bufferStarvationDelay = (BufferHelper.bufferInfo(video, pos, config.maxBufferHole).end - pos) / playbackRate; // First, look to see if we can find a level matching with our avg bandwidth AND that could also guarantee no rebuffering at all - try { - event = new Event('addtrack'); - } catch (err) { - // for IE11 - event = document.createEvent('Event'); - event.initEvent('addtrack', false, false); - } + var bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay, config.abrBandWidthFactor, config.abrBandWidthUpFactor, levels); - event.track = track; - videoEl.dispatchEvent(event); -} -function clearCurrentCues(track) { - if (track && track.cues) { - while (track.cues.length > 0) { - track.removeCue(track.cues[0]); - } - } -} -/** + if (bestLevel >= 0) { + return bestLevel; + } else { + logger["logger"].trace('rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering'); // not possible to get rid of rebuffering ... let's try to find level that will guarantee less than maxStarvationDelay of rebuffering + // if no matching level found, logic will return 0 - * Given a list of Cues, finds the closest cue matching the given time. - * Modified verison of binary search O(log(n)). - * - * @export - * @param {(TextTrackCueList | TextTrackCue[])} cues - List of cues. - * @param {number} time - Target time, to find closest cue to. - * @returns {TextTrackCue} - */ + var maxStarvationDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxStarvationDelay) : config.maxStarvationDelay; + var bwFactor = config.abrBandWidthFactor; + var bwUpFactor = config.abrBandWidthUpFactor; -function getClosestCue(cues, time) { - // If the offset is less than the first element, the first element is the closest. - if (time < cues[0].endTime) { - return cues[0]; - } // If the offset is greater than the last cue, the last is the closest. + if (bufferStarvationDelay === 0) { + // in case buffer is empty, let's check if previous fragment was loaded to perform a bitrate test + var bitrateTestDelay = this.bitrateTestDelay; + if (bitrateTestDelay) { + // if it is the case, then we need to adjust our max starvation delay using maxLoadingDelay config value + // max video loading delay used in automatic start level selection : + // in that mode ABR controller will ensure that video loading time (ie the time to fetch the first fragment at lowest quality level + + // the time to fetch the fragment at the appropriate quality level is less than ```maxLoadingDelay``` ) + // cap maxLoadingDelay and ensure it is not bigger 'than bitrate test' frag duration + var maxLoadingDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxLoadingDelay) : config.maxLoadingDelay; + maxStarvationDelay = maxLoadingDelay - bitrateTestDelay; + logger["logger"].trace("bitrate test took " + Math.round(1000 * bitrateTestDelay) + "ms, set first fragment max fetchDuration to " + Math.round(1000 * maxStarvationDelay) + " ms"); // don't use conservative factor on bitrate test - if (time > cues[cues.length - 1].endTime) { - return cues[cues.length - 1]; - } + bwFactor = bwUpFactor = 1; + } + } - var left = 0; - var right = cues.length - 1; + bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay + maxStarvationDelay, bwFactor, bwUpFactor, levels); + return Math.max(bestLevel, 0); + } + } + }]); - while (left <= right) { - var mid = Math.floor((right + left) / 2); + return AbrController; +}(event_handler); - if (time < cues[mid].endTime) { - right = mid - 1; - } else if (time > cues[mid].endTime) { - left = mid + 1; - } else { - // If it's not lower or higher, it must be equal. - return cues[mid]; - } - } // At this point, left and right have swapped. - // No direct match was found, left or right element must be the closest. Check which one has the smallest diff. +/* harmony default export */ var abr_controller = (abr_controller_AbrController); +// CONCATENATED MODULE: ./src/controller/buffer-controller.ts - return cues[left].endTime - time < time - cues[right].endTime ? cues[left] : cues[right]; -} -// CONCATENATED MODULE: ./src/controller/id3-track-controller.js -function id3_track_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } +function buffer_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } /* - * id3 metadata track controller -*/ + * Buffer Controller + */ +var buffer_controller_MediaSource = getMediaSource(); -var id3_track_controller_ID3TrackController = +var buffer_controller_BufferController = /*#__PURE__*/ function (_EventHandler) { - id3_track_controller_inheritsLoose(ID3TrackController, _EventHandler); + buffer_controller_inheritsLoose(BufferController, _EventHandler); - function ID3TrackController(hls) { + // the value that we have set mediasource.duration to + // (the actual duration may be tweaked slighly by the browser) + // the value that we want to set mediaSource.duration to + // the target duration of the current media playlist + // current stream state: true - for live broadcast, false - for VoD content + // cache the self generated object url to detect hijack of video tag + // signals that the sourceBuffers need to be flushed + // signals that mediaSource should have endOfStream called + // this is optional because this property is removed from the class sometimes + // The number of BUFFER_CODEC events received before any sourceBuffers are created + // The total number of BUFFER_CODEC events received + // A reference to the attached media element + // A reference to the active media source + // List of pending segments to be appended to source buffer + // A guard to see if we are currently appending to the source buffer + // counters + function BufferController(hls) { var _this; - _this = _EventHandler.call(this, hls, events["default"].MEDIA_ATTACHED, events["default"].MEDIA_DETACHING, events["default"].FRAG_PARSING_METADATA, events["default"].LIVE_BACK_BUFFER_REACHED) || this; - _this.id3Track = undefined; - _this.media = undefined; - return _this; - } + _this = _EventHandler.call(this, hls, events["default"].MEDIA_ATTACHING, events["default"].MEDIA_DETACHING, events["default"].MANIFEST_PARSED, events["default"].BUFFER_RESET, events["default"].BUFFER_APPENDING, events["default"].BUFFER_CODECS, events["default"].BUFFER_EOS, events["default"].BUFFER_FLUSHING, events["default"].LEVEL_PTS_UPDATED, events["default"].LEVEL_UPDATED) || this; + _this._msDuration = null; + _this._levelDuration = null; + _this._levelTargetDuration = 10; + _this._live = null; + _this._objectUrl = null; + _this._needsFlush = false; + _this._needsEos = false; + _this.config = void 0; + _this.audioTimestampOffset = void 0; + _this.bufferCodecEventsExpected = 0; + _this._bufferCodecEventsTotal = 0; + _this.media = null; + _this.mediaSource = null; + _this.segments = []; + _this.parent = void 0; + _this.appending = false; + _this.appended = 0; + _this.appendError = 0; + _this.flushBufferCounter = 0; + _this.tracks = {}; + _this.pendingTracks = {}; + _this.sourceBuffer = {}; + _this.flushRange = []; - var _proto = ID3TrackController.prototype; + _this._onMediaSourceOpen = function () { + logger["logger"].log('media source opened'); - _proto.destroy = function destroy() { - event_handler.prototype.destroy.call(this); - } // Add ID3 metatadata text track. - ; + _this.hls.trigger(events["default"].MEDIA_ATTACHED, { + media: _this.media + }); - _proto.onMediaAttached = function onMediaAttached(data) { - this.media = data.media; + var mediaSource = _this.mediaSource; - if (!this.media) {} - }; + if (mediaSource) { + // once received, don't listen anymore to sourceopen event + mediaSource.removeEventListener('sourceopen', _this._onMediaSourceOpen); + } - _proto.onMediaDetaching = function onMediaDetaching() { - clearCurrentCues(this.id3Track); - this.id3Track = undefined; - this.media = undefined; - }; + _this.checkPendingTracks(); + }; - _proto.getID3Track = function getID3Track(textTracks) { - for (var i = 0; i < textTracks.length; i++) { - var textTrack = textTracks[i]; + _this._onMediaSourceClose = function () { + logger["logger"].log('media source closed'); + }; - if (textTrack.kind === 'metadata' && textTrack.label === 'id3') { - // send 'addtrack' when reusing the textTrack for metadata, - // same as what we do for captions - sendAddTrackEvent(textTrack, this.media); - return textTrack; + _this._onMediaSourceEnded = function () { + logger["logger"].log('media source ended'); + }; + + _this._onSBUpdateEnd = function () { + // update timestampOffset + if (_this.audioTimestampOffset && _this.sourceBuffer.audio) { + var audioBuffer = _this.sourceBuffer.audio; + logger["logger"].warn("change mpeg audio timestamp offset from " + audioBuffer.timestampOffset + " to " + _this.audioTimestampOffset); + audioBuffer.timestampOffset = _this.audioTimestampOffset; + delete _this.audioTimestampOffset; } - } - return this.media.addTextTrack('metadata', 'id3'); - }; + if (_this._needsFlush) { + _this.doFlush(); + } - _proto.onLiveBackBufferReached = function onLiveBackBufferReached(_ref) { - var bufferEnd = _ref.bufferEnd; + if (_this._needsEos) { + _this.checkEos(); + } - if (!this.id3Track || !this.id3Track.cues || !this.id3Track.cues.length) { - return; - } + _this.appending = false; + var parent = _this.parent; // count nb of pending segments waiting for appending on this sourcebuffer - var foundCue = getClosestCue(this.id3Track.cues, bufferEnd); + var pending = _this.segments.reduce(function (counter, segment) { + return segment.parent === parent ? counter + 1 : counter; + }, 0); // this.sourceBuffer is better to use than media.buffered as it is closer to the PTS data from the fragments - if (!foundCue) { - return; - } - var removeCues = true; + var timeRanges = {}; + var sbSet = _this.sourceBuffer; - while (removeCues) { - var cue = this.id3Track.cues[0]; + for (var streamType in sbSet) { + var sb = sbSet[streamType]; - if (!this.id3Track.cues.length || cue.id === foundCue.id) { - removeCues = false; - return; + if (!sb) { + throw Error("handling source buffer update end error: source buffer for " + streamType + " uninitilized and unable to update buffered TimeRanges."); + } + + timeRanges[streamType] = sb.buffered; } - this.id3Track.removeCue(cue); - } - }; + _this.hls.trigger(events["default"].BUFFER_APPENDED, { + parent: parent, + pending: pending, + timeRanges: timeRanges + }); // don't append in flushing mode - _proto.onFragParsingMetadata = function onFragParsingMetadata(data) { - var fragment = data.frag; - var samples = data.samples; // create track dynamically - if (!this.id3Track) { - this.id3Track = this.getID3Track(this.media.textTracks); - this.id3Track.mode = 'hidden'; - } // Attempt to recreate Safari functionality by creating - // WebKitDataCue objects when available and store the decoded - // ID3 data in the value property of the cue + if (!_this._needsFlush) { + _this.doAppending(); + } + _this.updateMediaElementDuration(); // appending goes first - var Cue = window.WebKitDataCue || window.VTTCue || window.TextTrackCue; - for (var i = 0; i < samples.length; i++) { - var frames = id3["default"].getID3Frames(samples[i].data); + if (pending === 0) { + _this.flushLiveBackBuffer(); + } + }; - if (frames) { - var startTime = samples[i].pts; - var endTime = i < samples.length - 1 ? samples[i + 1].pts : fragment.endPTS; + _this._onSBUpdateError = function (event) { + logger["logger"].error('sourceBuffer error:', event); // according to http://www.w3.org/TR/media-source/#sourcebuffer-append-error + // this error might not always be fatal (it is fatal if decode error is set, in that case + // it will be followed by a mediaElement error ...) - if (startTime === endTime) { - // Give a slight bump to the endTime if it's equal to startTime to avoid a SyntaxError in IE - endTime += 0.0001; - } else if (startTime > endTime) { - logger["logger"].warn('detected an id3 sample with endTime < startTime, adjusting endTime to (startTime + 0.25)'); - endTime = startTime + 0.25; - } + _this.hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].MEDIA_ERROR, + details: errors["ErrorDetails"].BUFFER_APPENDING_ERROR, + fatal: false + }); // we don't need to do more than that, as accordin to the spec, updateend will be fired just after - for (var j = 0; j < frames.length; j++) { - var frame = frames[j]; // Safari doesn't put the timestamp frame in the TextTrack + }; - if (!id3["default"].isTimeStampFrame(frame)) { - var cue = new Cue(startTime, endTime, ''); - cue.value = frame; - this.id3Track.addCue(cue); - } - } - } - } + _this.config = hls.config; + return _this; + } + + var _proto = BufferController.prototype; + + _proto.destroy = function destroy() { + event_handler.prototype.destroy.call(this); }; - _proto.onLiveBackBufferReached = function onLiveBackBufferReached(_ref2) { - var bufferEnd = _ref2.bufferEnd; - var id3Track = this.id3Track; + _proto.onLevelPtsUpdated = function onLevelPtsUpdated(data) { + var type = data.type; + var audioTrack = this.tracks.audio; // Adjusting `SourceBuffer.timestampOffset` (desired point in the timeline where the next frames should be appended) + // in Chrome browser when we detect MPEG audio container and time delta between level PTS and `SourceBuffer.timestampOffset` + // is greater than 100ms (this is enough to handle seek for VOD or level change for LIVE videos). At the time of change we issue + // `SourceBuffer.abort()` and adjusting `SourceBuffer.timestampOffset` if `SourceBuffer.updating` is false or awaiting `updateend` + // event if SB is in updating state. + // More info here: https://github.com/video-dev/hls.js/issues/332#issuecomment-257986486 - if (!id3Track || !id3Track.cues || !id3Track.cues.length) { - return; - } + if (type === 'audio' && audioTrack && audioTrack.container === 'audio/mpeg') { + // Chrome audio mp3 track + var audioBuffer = this.sourceBuffer.audio; - var foundCue = getClosestCue(id3Track.cues, bufferEnd); + if (!audioBuffer) { + throw Error('Level PTS Updated and source buffer for audio uninitalized'); + } - if (!foundCue) { - return; - } + var delta = Math.abs(audioBuffer.timestampOffset - data.start); // adjust timestamp offset if time delta is greater than 100ms - while (id3Track.cues[0] !== foundCue) { - id3Track.removeCue(id3Track.cues[0]); + if (delta > 0.1) { + var updating = audioBuffer.updating; + + try { + audioBuffer.abort(); + } catch (err) { + logger["logger"].warn('can not abort audio buffer: ' + err); + } + + if (!updating) { + logger["logger"].warn('change mpeg audio timestamp offset from ' + audioBuffer.timestampOffset + ' to ' + data.start); + audioBuffer.timestampOffset = data.start; + } else { + this.audioTimestampOffset = data.start; + } + } } }; - return ID3TrackController; -}(event_handler); + _proto.onManifestParsed = function onManifestParsed(data) { + // in case of alt audio 2 BUFFER_CODECS events will be triggered, one per stream controller + // sourcebuffers will be created all at once when the expected nb of tracks will be reached + // in case alt audio is not used, only one BUFFER_CODEC event will be fired from main stream controller + // it will contain the expected nb of source buffers, no need to compute it + this.bufferCodecEventsExpected = this._bufferCodecEventsTotal = data.altAudio ? 2 : 1; + logger["logger"].log(this.bufferCodecEventsExpected + " bufferCodec event(s) expected"); + }; -/* harmony default export */ var id3_track_controller = (id3_track_controller_ID3TrackController); -// CONCATENATED MODULE: ./src/is-supported.ts + _proto.onMediaAttaching = function onMediaAttaching(data) { + var media = this.media = data.media; -function is_supported_isSupported() { - var mediaSource = getMediaSource(); + if (media && buffer_controller_MediaSource) { + // setup the media source + var ms = this.mediaSource = new buffer_controller_MediaSource(); // Media Source listeners - if (!mediaSource) { - return false; - } + ms.addEventListener('sourceopen', this._onMediaSourceOpen); + ms.addEventListener('sourceended', this._onMediaSourceEnded); + ms.addEventListener('sourceclose', this._onMediaSourceClose); // link video and media Source - var sourceBuffer = self.SourceBuffer || self.WebKitSourceBuffer; - var isTypeSupported = mediaSource && typeof mediaSource.isTypeSupported === 'function' && mediaSource.isTypeSupported('video/mp4; codecs="avc1.42E01E,mp4a.40.2"'); // if SourceBuffer is exposed ensure its API is valid - // safari and old version of Chrome doe not expose SourceBuffer globally so checking SourceBuffer.prototype is impossible + media.src = window.URL.createObjectURL(ms); // cache the locally generated object url - var sourceBufferValidAPI = !sourceBuffer || sourceBuffer.prototype && typeof sourceBuffer.prototype.appendBuffer === 'function' && typeof sourceBuffer.prototype.remove === 'function'; - return !!isTypeSupported && !!sourceBufferValidAPI; -} -// CONCATENATED MODULE: ./src/utils/ewma.ts -/* - * compute an Exponential Weighted moving average - * - https://en.wikipedia.org/wiki/Moving_average#Exponential_moving_average - * - heavily inspired from shaka-player - */ -var EWMA = -/*#__PURE__*/ -function () { - // About half of the estimated value will be from the last |halfLife| samples by weight. - function EWMA(halfLife) { - this.alpha_ = void 0; - this.estimate_ = void 0; - this.totalWeight_ = void 0; - // Larger values of alpha expire historical data more slowly. - this.alpha_ = halfLife ? Math.exp(Math.log(0.5) / halfLife) : 0; - this.estimate_ = 0; - this.totalWeight_ = 0; - } - - var _proto = EWMA.prototype; - - _proto.sample = function sample(weight, value) { - var adjAlpha = Math.pow(this.alpha_, weight); - this.estimate_ = value * (1 - adjAlpha) + adjAlpha * this.estimate_; - this.totalWeight_ += weight; - }; - - _proto.getTotalWeight = function getTotalWeight() { - return this.totalWeight_; - }; - - _proto.getEstimate = function getEstimate() { - if (this.alpha_) { - var zeroFactor = 1 - Math.pow(this.alpha_, this.totalWeight_); - return this.estimate_ / zeroFactor; - } else { - return this.estimate_; + this._objectUrl = media.src; } }; - return EWMA; -}(); - -/* harmony default export */ var ewma = (EWMA); -// CONCATENATED MODULE: ./src/utils/ewma-bandwidth-estimator.ts -/* - * EWMA Bandwidth Estimator - * - heavily inspired from shaka-player - * Tracks bandwidth samples and estimates available bandwidth. - * Based on the minimum of two exponentially-weighted moving averages with - * different half-lives. - */ + _proto.onMediaDetaching = function onMediaDetaching() { + logger["logger"].log('media source detaching'); + var ms = this.mediaSource; + if (ms) { + if (ms.readyState === 'open') { + try { + // endOfStream could trigger exception if any sourcebuffer is in updating state + // we don't really care about checking sourcebuffer state here, + // as we are anyway detaching the MediaSource + // let's just avoid this exception to propagate + ms.endOfStream(); + } catch (err) { + logger["logger"].warn("onMediaDetaching:" + err.message + " while calling endOfStream"); + } + } -var ewma_bandwidth_estimator_EwmaBandWidthEstimator = -/*#__PURE__*/ -function () { - // TODO(typescript-hls) - function EwmaBandWidthEstimator(hls, slow, fast, defaultEstimate) { - this.hls = void 0; - this.defaultEstimate_ = void 0; - this.minWeight_ = void 0; - this.minDelayMs_ = void 0; - this.slow_ = void 0; - this.fast_ = void 0; - this.hls = hls; - this.defaultEstimate_ = defaultEstimate; - this.minWeight_ = 0.001; - this.minDelayMs_ = 50; - this.slow_ = new ewma(slow); - this.fast_ = new ewma(fast); - } + ms.removeEventListener('sourceopen', this._onMediaSourceOpen); + ms.removeEventListener('sourceended', this._onMediaSourceEnded); + ms.removeEventListener('sourceclose', this._onMediaSourceClose); // Detach properly the MediaSource from the HTMLMediaElement as + // suggested in https://github.com/w3c/media-source/issues/53. - var _proto = EwmaBandWidthEstimator.prototype; + if (this.media) { + if (this._objectUrl) { + window.URL.revokeObjectURL(this._objectUrl); + } // clean up video tag src only if it's our own url. some external libraries might + // hijack the video tag and change its 'src' without destroying the Hls instance first - _proto.sample = function sample(durationMs, numBytes) { - durationMs = Math.max(durationMs, this.minDelayMs_); - var numBits = 8 * numBytes, - // weight is duration in seconds - durationS = durationMs / 1000, - // value is bandwidth in bits/s - bandwidthInBps = numBits / durationS; - this.fast_.sample(durationS, bandwidthInBps); - this.slow_.sample(durationS, bandwidthInBps); - }; - _proto.canEstimate = function canEstimate() { - var fast = this.fast_; - return fast && fast.getTotalWeight() >= this.minWeight_; - }; + if (this.media.src === this._objectUrl) { + this.media.removeAttribute('src'); + this.media.load(); + } else { + logger["logger"].warn('media.src was changed by a third party - skip cleanup'); + } + } - _proto.getEstimate = function getEstimate() { - if (this.canEstimate()) { - // console.log('slow estimate:'+ Math.round(this.slow_.getEstimate())); - // console.log('fast estimate:'+ Math.round(this.fast_.getEstimate())); - // Take the minimum of these two estimates. This should have the effect of - // adapting down quickly, but up more slowly. - return Math.min(this.fast_.getEstimate(), this.slow_.getEstimate()); - } else { - return this.defaultEstimate_; + this.mediaSource = null; + this.media = null; + this._objectUrl = null; + this.bufferCodecEventsExpected = this._bufferCodecEventsTotal; + this.pendingTracks = {}; + this.tracks = {}; + this.sourceBuffer = {}; + this.flushRange = []; + this.segments = []; + this.appended = 0; } + + this.hls.trigger(events["default"].MEDIA_DETACHED); }; - _proto.destroy = function destroy() {}; + _proto.checkPendingTracks = function checkPendingTracks() { + var bufferCodecEventsExpected = this.bufferCodecEventsExpected, + pendingTracks = this.pendingTracks; // Check if we've received all of the expected bufferCodec events. When none remain, create all the sourceBuffers at once. + // This is important because the MSE spec allows implementations to throw QuotaExceededErrors if creating new sourceBuffers after + // data has been appended to existing ones. + // 2 tracks is the max (one for audio, one for video). If we've reach this max go ahead and create the buffers. - return EwmaBandWidthEstimator; -}(); + var pendingTracksCount = Object.keys(pendingTracks).length; -/* harmony default export */ var ewma_bandwidth_estimator = (ewma_bandwidth_estimator_EwmaBandWidthEstimator); -// CONCATENATED MODULE: ./src/controller/abr-controller.js + if (pendingTracksCount && !bufferCodecEventsExpected || pendingTracksCount === 2) { + // ok, let's create them now ! + this.createSourceBuffers(pendingTracks); + this.pendingTracks = {}; // append any pending segments now ! + this.doAppending(); + } + }; + _proto.onBufferReset = function onBufferReset() { + var sourceBuffer = this.sourceBuffer; -function abr_controller_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } + for (var type in sourceBuffer) { + var sb = sourceBuffer[type]; -function abr_controller_createClass(Constructor, protoProps, staticProps) { if (protoProps) abr_controller_defineProperties(Constructor.prototype, protoProps); if (staticProps) abr_controller_defineProperties(Constructor, staticProps); return Constructor; } + try { + if (sb) { + if (this.mediaSource) { + this.mediaSource.removeSourceBuffer(sb); + } -function abr_controller_assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } + sb.removeEventListener('updateend', this._onSBUpdateEnd); + sb.removeEventListener('error', this._onSBUpdateError); + } + } catch (err) {} + } -function abr_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } + this.sourceBuffer = {}; + this.flushRange = []; + this.segments = []; + this.appended = 0; + }; -/* - * simple ABR Controller - * - compute next level based on last fragment bw heuristics - * - implement an abandon rules triggered if we have less than 2 frag buffered and if computed bw shows that we risk buffer stalling - */ + _proto.onBufferCodecs = function onBufferCodecs(tracks) { + var _this2 = this; + // if source buffer(s) not created yet, appended buffer tracks in this.pendingTracks + // if sourcebuffers already created, do nothing ... + if (Object.keys(this.sourceBuffer).length) { + return; + } + Object.keys(tracks).forEach(function (trackName) { + _this2.pendingTracks[trackName] = tracks[trackName]; + }); + this.bufferCodecEventsExpected = Math.max(this.bufferCodecEventsExpected - 1, 0); + if (this.mediaSource && this.mediaSource.readyState === 'open') { + this.checkPendingTracks(); + } + }; + _proto.createSourceBuffers = function createSourceBuffers(tracks) { + var sourceBuffer = this.sourceBuffer, + mediaSource = this.mediaSource; + if (!mediaSource) { + throw Error('createSourceBuffers called when mediaSource was null'); + } -var abr_controller_window = window, - abr_controller_performance = abr_controller_window.performance; + for (var trackName in tracks) { + if (!sourceBuffer[trackName]) { + var track = tracks[trackName]; -var abr_controller_AbrController = -/*#__PURE__*/ -function (_EventHandler) { - abr_controller_inheritsLoose(AbrController, _EventHandler); + if (!track) { + throw Error("source buffer exists for track " + trackName + ", however track does not"); + } // use levelCodec as first priority - function AbrController(hls) { - var _this; - _this = _EventHandler.call(this, hls, events["default"].FRAG_LOADING, events["default"].FRAG_LOADED, events["default"].FRAG_BUFFERED, events["default"].ERROR) || this; - _this.lastLoadedFragLevel = 0; - _this._nextAutoLevel = -1; - _this.hls = hls; - _this.timer = null; - _this._bwEstimator = null; - _this.onCheck = _this._abandonRulesCheck.bind(abr_controller_assertThisInitialized(_this)); - return _this; - } + var codec = track.levelCodec || track.codec; + var mimeType = track.container + ";codecs=" + codec; + logger["logger"].log("creating sourceBuffer(" + mimeType + ")"); - var _proto = AbrController.prototype; + try { + var sb = sourceBuffer[trackName] = mediaSource.addSourceBuffer(mimeType); + sb.addEventListener('updateend', this._onSBUpdateEnd); + sb.addEventListener('error', this._onSBUpdateError); + this.tracks[trackName] = { + buffer: sb, + codec: codec, + id: track.id, + container: track.container, + levelCodec: track.levelCodec + }; + } catch (err) { + logger["logger"].error("error while trying to add sourceBuffer:" + err.message); + this.hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].MEDIA_ERROR, + details: errors["ErrorDetails"].BUFFER_ADD_CODEC_ERROR, + fatal: false, + err: err, + mimeType: mimeType + }); + } + } + } - _proto.destroy = function destroy() { - this.clearTimer(); - event_handler.prototype.destroy.call(this); + this.hls.trigger(events["default"].BUFFER_CREATED, { + tracks: this.tracks + }); }; - _proto.onFragLoading = function onFragLoading(data) { - var frag = data.frag; - - if (frag.type === 'main') { - if (!this.timer) { - this.fragCurrent = frag; - this.timer = setInterval(this.onCheck, 100); - } // lazy init of BwEstimator, rationale is that we use different params for Live/VoD - // so we need to wait for stream manifest / playlist type to instantiate it. + _proto.onBufferAppending = function onBufferAppending(data) { + if (!this._needsFlush) { + if (!this.segments) { + this.segments = [data]; + } else { + this.segments.push(data); + } + this.doAppending(); + } + } // on BUFFER_EOS mark matching sourcebuffer(s) as ended and trigger checkEos() + // an undefined data.type will mark all buffers as EOS. + ; - if (!this._bwEstimator) { - var hls = this.hls; - var config = hls.config; - var level = frag.level; - var isLive = hls.levels[level].details.live; - var ewmaFast; - var ewmaSlow; + _proto.onBufferEos = function onBufferEos(data) { + for (var type in this.sourceBuffer) { + if (!data.type || data.type === type) { + var sb = this.sourceBuffer[type]; - if (isLive) { - ewmaFast = config.abrEwmaFastLive; - ewmaSlow = config.abrEwmaSlowLive; - } else { - ewmaFast = config.abrEwmaFastVoD; - ewmaSlow = config.abrEwmaSlowVoD; + if (sb && !sb.ended) { + sb.ended = true; + logger["logger"].log(type + " sourceBuffer now EOS"); } - - this._bwEstimator = new ewma_bandwidth_estimator(hls, ewmaSlow, ewmaFast, config.abrEwmaDefaultEstimate); } } - }; - _proto._abandonRulesCheck = function _abandonRulesCheck() { - /* - monitor fragment retrieval time... - we compute expected time of arrival of the complete fragment. - we compare it to expected time of buffer starvation - */ - var hls = this.hls; - var video = hls.media; - var frag = this.fragCurrent; + this.checkEos(); + } // if all source buffers are marked as ended, signal endOfStream() to MediaSource. + ; - if (!frag) { + _proto.checkEos = function checkEos() { + var sourceBuffer = this.sourceBuffer, + mediaSource = this.mediaSource; + + if (!mediaSource || mediaSource.readyState !== 'open') { + this._needsEos = false; return; } - var loader = frag.loader; - var minAutoLevel = hls.minAutoLevel; // if loader has been destroyed or loading has been aborted, stop timer and return + for (var type in sourceBuffer) { + var sb = sourceBuffer[type]; + if (!sb) continue; - if (!loader || loader.stats && loader.stats.aborted) { - logger["logger"].warn('frag loader destroy or aborted, disarm abandonRules'); - this.clearTimer(); // reset forced auto level value so that next level will be selected + if (!sb.ended) { + return; + } - this._nextAutoLevel = -1; - return; + if (sb.updating) { + this._needsEos = true; + return; + } } - var stats = loader.stats; - /* only monitor frag retrieval time if - (video not paused OR first fragment being loaded(ready state === HAVE_NOTHING = 0)) AND autoswitching enabled AND not lowest level (=> means that we have several levels) */ - - if (video && stats && (!video.paused && video.playbackRate !== 0 || !video.readyState) && frag.autoLevel && frag.level) { - var requestDelay = abr_controller_performance.now() - stats.trequest; - var playbackRate = Math.abs(video.playbackRate); // monitor fragment load progress after half of expected fragment duration,to stabilize bitrate + logger["logger"].log('all media data are available, signal endOfStream() to MediaSource and stop loading fragment'); // Notify the media element that it now has all of the media data - if (requestDelay > 500 * frag.duration / playbackRate) { - var levels = hls.levels; - var loadRate = Math.max(1, stats.bw ? stats.bw / 8 : stats.loaded * 1000 / requestDelay); // byte/s; at least 1 byte/s to avoid division by zero - // compute expected fragment length using frag duration and level bitrate. also ensure that expected len is gte than already loaded size + try { + mediaSource.endOfStream(); + } catch (e) { + logger["logger"].warn('exception while calling mediaSource.endOfStream()'); + } - var level = levels[frag.level]; - var levelBitrate = level.realBitrate ? Math.max(level.realBitrate, level.bitrate) : level.bitrate; - var expectedLen = stats.total ? stats.total : Math.max(stats.loaded, Math.round(frag.duration * levelBitrate / 8)); - var pos = video.currentTime; - var fragLoadedDelay = (expectedLen - stats.loaded) / loadRate; - var bufferStarvationDelay = (BufferHelper.bufferInfo(video, pos, hls.config.maxBufferHole).end - pos) / playbackRate; // consider emergency switch down only if we have less than 2 frag buffered AND - // time to finish loading current fragment is bigger than buffer starvation delay - // ie if we risk buffer starvation if bw does not increase quickly + this._needsEos = false; + }; - if (bufferStarvationDelay < 2 * frag.duration / playbackRate && fragLoadedDelay > bufferStarvationDelay) { - var fragLevelNextLoadedDelay; - var nextLoadLevel; // lets iterate through lower level and try to find the biggest one that could avoid rebuffering - // we start from current level - 1 and we step down , until we find a matching level + _proto.onBufferFlushing = function onBufferFlushing(data) { + if (data.type) { + this.flushRange.push({ + start: data.startOffset, + end: data.endOffset, + type: data.type + }); + } else { + this.flushRange.push({ + start: data.startOffset, + end: data.endOffset, + type: 'video' + }); + this.flushRange.push({ + start: data.startOffset, + end: data.endOffset, + type: 'audio' + }); + } // attempt flush immediately - for (nextLoadLevel = frag.level - 1; nextLoadLevel > minAutoLevel; nextLoadLevel--) { - // compute time to load next fragment at lower level - // 0.8 : consider only 80% of current bw to be conservative - // 8 = bits per byte (bps/Bps) - var levelNextBitrate = levels[nextLoadLevel].realBitrate ? Math.max(levels[nextLoadLevel].realBitrate, levels[nextLoadLevel].bitrate) : levels[nextLoadLevel].bitrate; - var _fragLevelNextLoadedDelay = frag.duration * levelNextBitrate / (8 * 0.8 * loadRate); + this.flushBufferCounter = 0; + this.doFlush(); + }; - if (_fragLevelNextLoadedDelay < bufferStarvationDelay) { - // we found a lower level that be rebuffering free with current estimated bw ! - break; - } - } // only emergency switch down if it takes less time to load new fragment at lowest level instead - // of finishing loading current one ... + _proto.flushLiveBackBuffer = function flushLiveBackBuffer() { + // clear back buffer for live only + if (!this._live) { + return; + } + var liveBackBufferLength = this.config.liveBackBufferLength; - if (fragLevelNextLoadedDelay < fragLoadedDelay) { - logger["logger"].warn("loading too slow, abort fragment loading and switch to level " + nextLoadLevel + ":fragLoadedDelay[" + nextLoadLevel + "]<fragLoadedDelay[" + (frag.level - 1) + "];bufferStarvationDelay:" + fragLevelNextLoadedDelay.toFixed(1) + "<" + fragLoadedDelay.toFixed(1) + ":" + bufferStarvationDelay.toFixed(1)); // force next load level in auto mode + if (!isFinite(liveBackBufferLength) || liveBackBufferLength < 0) { + return; + } - hls.nextLoadLevel = nextLoadLevel; // update bw estimate for this fragment before cancelling load (this will help reducing the bw) + if (!this.media) { + logger["logger"].error('flushLiveBackBuffer called without attaching media'); + return; + } - this._bwEstimator.sample(requestDelay, stats.loaded); // abort fragment loading + var currentTime = this.media.currentTime; + var sourceBuffer = this.sourceBuffer; + var bufferTypes = Object.keys(sourceBuffer); + var targetBackBufferPosition = currentTime - Math.max(liveBackBufferLength, this._levelTargetDuration); + for (var index = bufferTypes.length - 1; index >= 0; index--) { + var bufferType = bufferTypes[index]; + var sb = sourceBuffer[bufferType]; - loader.abort(); // stop abandon rules timer + if (sb) { + var buffered = sb.buffered; // when target buffer start exceeds actual buffer start - this.clearTimer(); - hls.trigger(events["default"].FRAG_LOAD_EMERGENCY_ABORTED, { - frag: frag, - stats: stats + if (buffered.length > 0 && targetBackBufferPosition > buffered.start(0)) { + // remove buffer up until current time minus minimum back buffer length (removing buffer too close to current + // time will lead to playback freezing) + // credits for level target duration - https://github.com/videojs/http-streaming/blob/3132933b6aa99ddefab29c10447624efd6fd6e52/src/segment-loader.js#L91 + if (this.removeBufferRange(bufferType, sb, 0, targetBackBufferPosition)) { + this.hls.trigger(events["default"].LIVE_BACK_BUFFER_REACHED, { + bufferEnd: targetBackBufferPosition }); } } @@ -13029,8128 +12311,8883 @@ function (_EventHandler) { } }; - _proto.onFragLoaded = function onFragLoaded(data) { - var frag = data.frag; - - if (frag.type === 'main' && Object(number_isFinite["isFiniteNumber"])(frag.sn)) { - // stop monitoring bw once frag loaded - this.clearTimer(); // store level id after successful fragment load + _proto.onLevelUpdated = function onLevelUpdated(_ref) { + var details = _ref.details; - this.lastLoadedFragLevel = frag.level; // reset forced auto level value so that next level will be selected + if (details.fragments.length > 0) { + this._levelDuration = details.totalduration + details.fragments[0].start; + this._levelTargetDuration = details.averagetargetduration || details.targetduration || 10; + this._live = details.live; + this.updateMediaElementDuration(); + } + } + /** + * Update Media Source duration to current level duration or override to Infinity if configuration parameter + * 'liveDurationInfinity` is set to `true` + * More details: https://github.com/video-dev/hls.js/issues/355 + */ + ; - this._nextAutoLevel = -1; // compute level average bitrate + _proto.updateMediaElementDuration = function updateMediaElementDuration() { + var config = this.config; + var duration; - if (this.hls.config.abrMaxWithRealBitrate) { - var level = this.hls.levels[frag.level]; - var loadedBytes = (level.loaded ? level.loaded.bytes : 0) + data.stats.loaded; - var loadedDuration = (level.loaded ? level.loaded.duration : 0) + data.frag.duration; - level.loaded = { - bytes: loadedBytes, - duration: loadedDuration - }; - level.realBitrate = Math.round(8 * loadedBytes / loadedDuration); - } // if fragment has been loaded to perform a bitrate test, + if (this._levelDuration === null || !this.media || !this.mediaSource || !this.sourceBuffer || this.media.readyState === 0 || this.mediaSource.readyState !== 'open') { + return; + } + for (var type in this.sourceBuffer) { + var sb = this.sourceBuffer[type]; - if (data.frag.bitrateTest) { - var stats = data.stats; - stats.tparsed = stats.tbuffered = stats.tload; - this.onFragBuffered(data); + if (sb && sb.updating === true) { + // can't set duration whilst a buffer is updating + return; } } - }; - - _proto.onFragBuffered = function onFragBuffered(data) { - var stats = data.stats; - var frag = data.frag; // only update stats on first frag buffering - // if same frag is loaded multiple times, it might be in browser cache, and loaded quickly - // and leading to wrong bw estimation - // on bitrate test, also only update stats once (if tload = tbuffered == on FRAG_LOADED) - - if (stats.aborted !== true && frag.type === 'main' && Object(number_isFinite["isFiniteNumber"])(frag.sn) && (!frag.bitrateTest || stats.tload === stats.tbuffered)) { - // use tparsed-trequest instead of tbuffered-trequest to compute fragLoadingProcessing; rationale is that buffer appending only happens once media is attached - // in case we use config.startFragPrefetch while media is not attached yet, fragment might be parsed while media not attached yet, but it will only be buffered on media attached - // as a consequence it could happen really late in the process. meaning that appending duration might appears huge ... leading to underestimated throughput estimation - var fragLoadingProcessingMs = stats.tparsed - stats.trequest; - logger["logger"].log("latency/loading/parsing/append/kbps:" + Math.round(stats.tfirst - stats.trequest) + "/" + Math.round(stats.tload - stats.tfirst) + "/" + Math.round(stats.tparsed - stats.tload) + "/" + Math.round(stats.tbuffered - stats.tparsed) + "/" + Math.round(8 * stats.loaded / (stats.tbuffered - stats.trequest))); - - this._bwEstimator.sample(fragLoadingProcessingMs, stats.loaded); - stats.bwEstimate = this._bwEstimator.getEstimate(); // if fragment has been loaded to perform a bitrate test, (hls.startLevel = -1), store bitrate test delay duration + duration = this.media.duration; // initialise to the value that the media source is reporting - if (frag.bitrateTest) { - this.bitrateTestDelay = fragLoadingProcessingMs / 1000; - } else { - this.bitrateTestDelay = 0; - } + if (this._msDuration === null) { + this._msDuration = this.mediaSource.duration; } - }; - - _proto.onError = function onError(data) { - // stop timer in case of frag loading error - switch (data.details) { - case errors["ErrorDetails"].FRAG_LOAD_ERROR: - case errors["ErrorDetails"].FRAG_LOAD_TIMEOUT: - this.clearTimer(); - break; - default: - break; + if (this._live === true && config.liveDurationInfinity === true) { + // Override duration to Infinity + logger["logger"].log('Media Source duration is set to Infinity'); + this._msDuration = this.mediaSource.duration = Infinity; + } else if (this._levelDuration > this._msDuration && this._levelDuration > duration || !Object(number_isFinite["isFiniteNumber"])(duration)) { + // levelDuration was the last value we set. + // not using mediaSource.duration as the browser may tweak this value + // only update Media Source duration if its value increase, this is to avoid + // flushing already buffered portion when switching between quality level + logger["logger"].log("Updating Media Source duration to " + this._levelDuration.toFixed(3)); + this._msDuration = this.mediaSource.duration = this._levelDuration; } }; - _proto.clearTimer = function clearTimer() { - clearInterval(this.timer); - this.timer = null; - } // return next auto level - ; + _proto.doFlush = function doFlush() { + // loop through all buffer ranges to flush + while (this.flushRange.length) { + var range = this.flushRange[0]; // flushBuffer will abort any buffer append in progress and flush Audio/Video Buffer - _proto._findBestLevel = function _findBestLevel(currentLevel, currentFragDuration, currentBw, minAutoLevel, maxAutoLevel, maxFetchDuration, bwFactor, bwUpFactor, levels) { - for (var i = maxAutoLevel; i >= minAutoLevel; i--) { - var levelInfo = levels[i]; + if (this.flushBuffer(range.start, range.end, range.type)) { + // range flushed, remove from flush array + this.flushRange.shift(); + this.flushBufferCounter = 0; + } else { + this._needsFlush = true; // avoid looping, wait for SB update end to retrigger a flush - if (!levelInfo) { - continue; + return; } + } - var levelDetails = levelInfo.details; - var avgDuration = levelDetails ? levelDetails.totalduration / levelDetails.fragments.length : currentFragDuration; - var live = levelDetails ? levelDetails.live : false; - var adjustedbw = void 0; // follow algorithm captured from stagefright : - // https://android.googlesource.com/platform/frameworks/av/+/master/media/libstagefright/httplive/LiveSession.cpp - // Pick the highest bandwidth stream below or equal to estimated bandwidth. - // consider only 80% of the available bandwidth, but if we are switching up, - // be even more conservative (70%) to avoid overestimating and immediately - // switching back. + if (this.flushRange.length === 0) { + // everything flushed + this._needsFlush = false; // let's recompute this.appended, which is used to avoid flush looping - if (i <= currentLevel) { - adjustedbw = bwFactor * currentBw; - } else { - adjustedbw = bwUpFactor * currentBw; - } + var appended = 0; + var sourceBuffer = this.sourceBuffer; - var bitrate = levels[i].realBitrate ? Math.max(levels[i].realBitrate, levels[i].bitrate) : levels[i].bitrate; - var fetchDuration = bitrate * avgDuration / adjustedbw; - logger["logger"].trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: " + i + "/" + Math.round(adjustedbw) + "/" + bitrate + "/" + avgDuration + "/" + maxFetchDuration + "/" + fetchDuration); // if adjusted bw is greater than level bitrate AND + try { + for (var type in sourceBuffer) { + var sb = sourceBuffer[type]; - if (adjustedbw > bitrate && ( // fragment fetchDuration unknown OR live stream OR fragment fetchDuration less than max allowed fetch duration, then this level matches - // we don't account for max Fetch Duration for live streams, this is to avoid switching down when near the edge of live sliding window ... - // special case to support startLevel = -1 (bitrateTest) on live streams : in that case we should not exit loop so that _findBestLevel will return -1 - !fetchDuration || live && !this.bitrateTestDelay || fetchDuration < maxFetchDuration)) { - // as we are looping from highest to lowest, this will return the best achievable quality level - return i; + if (sb) { + appended += sb.buffered.length; + } + } + } catch (error) { + // error could be thrown while accessing buffered, in case sourcebuffer has already been removed from MediaSource + // this is harmess at this stage, catch this to avoid reporting an internal exception + logger["logger"].error('error while accessing sourceBuffer.buffered'); } - } // not enough time budget even with quality level 0 ... rebuffering might happen - - return -1; + this.appended = appended; + this.hls.trigger(events["default"].BUFFER_FLUSHED); + } }; - abr_controller_createClass(AbrController, [{ - key: "nextAutoLevel", - get: function get() { - var forcedAutoLevel = this._nextAutoLevel; - var bwEstimator = this._bwEstimator; // in case next auto level has been forced, and bw not available or not reliable, return forced value + _proto.doAppending = function doAppending() { + var config = this.config, + hls = this.hls, + segments = this.segments, + sourceBuffer = this.sourceBuffer; - if (forcedAutoLevel !== -1 && (!bwEstimator || !bwEstimator.canEstimate())) { - return forcedAutoLevel; - } // compute next level using ABR logic + if (!Object.keys(sourceBuffer).length) { + // early exit if no source buffers have been initialized yet + return; + } + if (!this.media || this.media.error) { + this.segments = []; + logger["logger"].error('trying to append although a media error occured, flush segment and abort'); + return; + } - var nextABRAutoLevel = this._nextABRAutoLevel; // if forced auto level has been defined, use it to cap ABR computed quality level + if (this.appending) { + // logger.log(`sb appending in progress`); + return; + } - if (forcedAutoLevel !== -1) { - nextABRAutoLevel = Math.min(forcedAutoLevel, nextABRAutoLevel); - } + var segment = segments.shift(); - return nextABRAutoLevel; - }, - set: function set(nextLevel) { - this._nextAutoLevel = nextLevel; + if (!segment) { + // handle undefined shift + return; } - }, { - key: "_nextABRAutoLevel", - get: function get() { - var hls = this.hls; - var maxAutoLevel = hls.maxAutoLevel, - levels = hls.levels, - config = hls.config, - minAutoLevel = hls.minAutoLevel; - var video = hls.media; - var currentLevel = this.lastLoadedFragLevel; - var currentFragDuration = this.fragCurrent ? this.fragCurrent.duration : 0; - var pos = video ? video.currentTime : 0; // playbackRate is the absolute value of the playback rate; if video.playbackRate is 0, we use 1 to load as - // if we're playing back at the normal rate. - var playbackRate = video && video.playbackRate !== 0 ? Math.abs(video.playbackRate) : 1.0; - var avgbw = this._bwEstimator ? this._bwEstimator.getEstimate() : config.abrEwmaDefaultEstimate; // bufferStarvationDelay is the wall-clock time left until the playback buffer is exhausted. + try { + var sb = sourceBuffer[segment.type]; - var bufferStarvationDelay = (BufferHelper.bufferInfo(video, pos, config.maxBufferHole).end - pos) / playbackRate; // First, look to see if we can find a level matching with our avg bandwidth AND that could also guarantee no rebuffering at all + if (!sb) { + // in case we don't have any source buffer matching with this segment type, + // it means that Mediasource fails to create sourcebuffer + // discard this segment, and trigger update end + this._onSBUpdateEnd(); - var bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay, config.abrBandWidthFactor, config.abrBandWidthUpFactor, levels); + return; + } - if (bestLevel >= 0) { - return bestLevel; - } else { - logger["logger"].trace('rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering'); // not possible to get rid of rebuffering ... let's try to find level that will guarantee less than maxStarvationDelay of rebuffering - // if no matching level found, logic will return 0 + if (sb.updating) { + // if we are still updating the source buffer from the last segment, place this back at the front of the queue + segments.unshift(segment); + return; + } // reset sourceBuffer ended flag before appending segment - var maxStarvationDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxStarvationDelay) : config.maxStarvationDelay; - var bwFactor = config.abrBandWidthFactor; - var bwUpFactor = config.abrBandWidthUpFactor; - if (bufferStarvationDelay === 0) { - // in case buffer is empty, let's check if previous fragment was loaded to perform a bitrate test - var bitrateTestDelay = this.bitrateTestDelay; + sb.ended = false; // logger.log(`appending ${segment.content} ${type} SB, size:${segment.data.length}, ${segment.parent}`); - if (bitrateTestDelay) { - // if it is the case, then we need to adjust our max starvation delay using maxLoadingDelay config value - // max video loading delay used in automatic start level selection : - // in that mode ABR controller will ensure that video loading time (ie the time to fetch the first fragment at lowest quality level + - // the time to fetch the fragment at the appropriate quality level is less than ```maxLoadingDelay``` ) - // cap maxLoadingDelay and ensure it is not bigger 'than bitrate test' frag duration - var maxLoadingDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxLoadingDelay) : config.maxLoadingDelay; - maxStarvationDelay = maxLoadingDelay - bitrateTestDelay; - logger["logger"].trace("bitrate test took " + Math.round(1000 * bitrateTestDelay) + "ms, set first fragment max fetchDuration to " + Math.round(1000 * maxStarvationDelay) + " ms"); // don't use conservative factor on bitrate test + this.parent = segment.parent; + sb.appendBuffer(segment.data); + this.appendError = 0; + this.appended++; + this.appending = true; + } catch (err) { + // in case any error occured while appending, put back segment in segments table + logger["logger"].error("error while trying to append buffer:" + err.message); + segments.unshift(segment); + var event = { + type: errors["ErrorTypes"].MEDIA_ERROR, + parent: segment.parent, + details: '', + fatal: false + }; - bwFactor = bwUpFactor = 1; - } - } + if (err.code === 22) { + // QuotaExceededError: http://www.w3.org/TR/html5/infrastructure.html#quotaexceedederror + // let's stop appending any segments, and report BUFFER_FULL_ERROR error + this.segments = []; + event.details = errors["ErrorDetails"].BUFFER_FULL_ERROR; + } else { + this.appendError++; + event.details = errors["ErrorDetails"].BUFFER_APPEND_ERROR; + /* with UHD content, we could get loop of quota exceeded error until + browser is able to evict some data from sourcebuffer. retrying help recovering this + */ - bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay + maxStarvationDelay, bwFactor, bwUpFactor, levels); - return Math.max(bestLevel, 0); + if (this.appendError > config.appendErrorMaxRetry) { + logger["logger"].log("fail " + config.appendErrorMaxRetry + " times to append segment in sourceBuffer"); + this.segments = []; + event.fatal = true; + } } - } - }]); - - return AbrController; -}(event_handler); -/* harmony default export */ var abr_controller = (abr_controller_AbrController); -// CONCATENATED MODULE: ./src/controller/buffer-controller.ts + hls.trigger(events["default"].ERROR, event); + } + } + /* + flush specified buffered range, + return true once range has been flushed. + as sourceBuffer.remove() is asynchronous, flushBuffer will be retriggered on sourceBuffer update end + */ + ; + _proto.flushBuffer = function flushBuffer(startOffset, endOffset, sbType) { + var sourceBuffer = this.sourceBuffer; // exit if no sourceBuffers are initialized -function buffer_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } + if (!Object.keys(sourceBuffer).length) { + return true; + } -/* - * Buffer Controller - */ + var currentTime = 'null'; + if (this.media) { + currentTime = this.media.currentTime.toFixed(3); + } + logger["logger"].log("flushBuffer,pos/start/end: " + currentTime + "/" + startOffset + "/" + endOffset); // safeguard to avoid infinite looping : don't try to flush more than the nb of appended segments + if (this.flushBufferCounter >= this.appended) { + logger["logger"].warn('abort flushing too many retries'); + return true; + } + var sb = sourceBuffer[sbType]; // we are going to flush buffer, mark source buffer as 'not ended' -var buffer_controller_MediaSource = getMediaSource(); + if (sb) { + sb.ended = false; -var buffer_controller_BufferController = -/*#__PURE__*/ -function (_EventHandler) { - buffer_controller_inheritsLoose(BufferController, _EventHandler); + if (!sb.updating) { + if (this.removeBufferRange(sbType, sb, startOffset, endOffset)) { + this.flushBufferCounter++; + return false; + } + } else { + logger["logger"].warn('cannot flush, sb updating in progress'); + return false; + } + } - // the value that we have set mediasource.duration to - // (the actual duration may be tweaked slighly by the browser) - // the value that we want to set mediaSource.duration to - // the target duration of the current media playlist - // current stream state: true - for live broadcast, false - for VoD content - // cache the self generated object url to detect hijack of video tag - // signals that the sourceBuffers need to be flushed - // signals that mediaSource should have endOfStream called - // this is optional because this property is removed from the class sometimes - // The number of BUFFER_CODEC events received before any sourceBuffers are created - // The total number of BUFFER_CODEC events received - // A reference to the attached media element - // A reference to the active media source - // List of pending segments to be appended to source buffer - // A guard to see if we are currently appending to the source buffer - // counters - function BufferController(hls) { - var _this; + logger["logger"].log('buffer flushed'); // everything flushed ! - _this = _EventHandler.call(this, hls, events["default"].MEDIA_ATTACHING, events["default"].MEDIA_DETACHING, events["default"].MANIFEST_PARSED, events["default"].BUFFER_RESET, events["default"].BUFFER_APPENDING, events["default"].BUFFER_CODECS, events["default"].BUFFER_EOS, events["default"].BUFFER_FLUSHING, events["default"].LEVEL_PTS_UPDATED, events["default"].LEVEL_UPDATED) || this; - _this._msDuration = null; - _this._levelDuration = null; - _this._levelTargetDuration = 10; - _this._live = null; - _this._objectUrl = null; - _this._needsFlush = false; - _this._needsEos = false; - _this.config = void 0; - _this.audioTimestampOffset = void 0; - _this.bufferCodecEventsExpected = 0; - _this._bufferCodecEventsTotal = 0; - _this.media = null; - _this.mediaSource = null; - _this.segments = []; - _this.parent = void 0; - _this.appending = false; - _this.appended = 0; - _this.appendError = 0; - _this.flushBufferCounter = 0; - _this.tracks = {}; - _this.pendingTracks = {}; - _this.sourceBuffer = {}; - _this.flushRange = []; + return true; + } + /** + * Removes first buffered range from provided source buffer that lies within given start and end offsets. + * + * @param {string} type Type of the source buffer, logging purposes only. + * @param {SourceBuffer} sb Target SourceBuffer instance. + * @param {number} startOffset + * @param {number} endOffset + * + * @returns {boolean} True when source buffer remove requested. + */ + ; - _this._onMediaSourceOpen = function () { - logger["logger"].log('media source opened'); + _proto.removeBufferRange = function removeBufferRange(type, sb, startOffset, endOffset) { + try { + for (var i = 0; i < sb.buffered.length; i++) { + var bufStart = sb.buffered.start(i); + var bufEnd = sb.buffered.end(i); + var removeStart = Math.max(bufStart, startOffset); + var removeEnd = Math.min(bufEnd, endOffset); + /* sometimes sourcebuffer.remove() does not flush + the exact expected time range. + to avoid rounding issues/infinite loop, + only flush buffer range of length greater than 500ms. + */ - _this.hls.trigger(events["default"].MEDIA_ATTACHED, { - media: _this.media - }); + if (Math.min(removeEnd, bufEnd) - removeStart > 0.5) { + var currentTime = 'null'; - var mediaSource = _this.mediaSource; + if (this.media) { + currentTime = this.media.currentTime.toString(); + } - if (mediaSource) { - // once received, don't listen anymore to sourceopen event - mediaSource.removeEventListener('sourceopen', _this._onMediaSourceOpen); + logger["logger"].log("sb remove " + type + " [" + removeStart + "," + removeEnd + "], of [" + bufStart + "," + bufEnd + "], pos:" + currentTime); + sb.remove(removeStart, removeEnd); + return true; + } } + } catch (error) { + logger["logger"].warn('removeBufferRange failed', error); + } - _this.checkPendingTracks(); - }; + return false; + }; - _this._onMediaSourceClose = function () { - logger["logger"].log('media source closed'); - }; + return BufferController; +}(event_handler); - _this._onMediaSourceEnded = function () { - logger["logger"].log('media source ended'); - }; +/* harmony default export */ var buffer_controller = (buffer_controller_BufferController); +// CONCATENATED MODULE: ./src/controller/cap-level-controller.js +function cap_level_controller_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } - _this._onSBUpdateEnd = function () { - // update timestampOffset - if (_this.audioTimestampOffset && _this.sourceBuffer.audio) { - var audioBuffer = _this.sourceBuffer.audio; - logger["logger"].warn("change mpeg audio timestamp offset from " + audioBuffer.timestampOffset + " to " + _this.audioTimestampOffset); - audioBuffer.timestampOffset = _this.audioTimestampOffset; - delete _this.audioTimestampOffset; - } +function cap_level_controller_createClass(Constructor, protoProps, staticProps) { if (protoProps) cap_level_controller_defineProperties(Constructor.prototype, protoProps); if (staticProps) cap_level_controller_defineProperties(Constructor, staticProps); return Constructor; } - if (_this._needsFlush) { - _this.doFlush(); - } +function cap_level_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } - if (_this._needsEos) { - _this.checkEos(); - } +/* + * cap stream level to media size dimension controller +*/ - _this.appending = false; - var parent = _this.parent; // count nb of pending segments waiting for appending on this sourcebuffer - var pending = _this.segments.reduce(function (counter, segment) { - return segment.parent === parent ? counter + 1 : counter; - }, 0); // this.sourceBuffer is better to use than media.buffered as it is closer to the PTS data from the fragments +var cap_level_controller_CapLevelController = +/*#__PURE__*/ +function (_EventHandler) { + cap_level_controller_inheritsLoose(CapLevelController, _EventHandler); - var timeRanges = {}; - var sbSet = _this.sourceBuffer; + function CapLevelController(hls) { + var _this; - for (var streamType in sbSet) { - var sb = sbSet[streamType]; + _this = _EventHandler.call(this, hls, events["default"].FPS_DROP_LEVEL_CAPPING, events["default"].MEDIA_ATTACHING, events["default"].MANIFEST_PARSED, events["default"].BUFFER_CODECS, events["default"].MEDIA_DETACHING) || this; + _this.autoLevelCapping = Number.POSITIVE_INFINITY; + _this.firstLevel = null; + _this.levels = []; + _this.media = null; + _this.restrictedLevels = []; + _this.timer = null; + return _this; + } - if (!sb) { - throw Error("handling source buffer update end error: source buffer for " + streamType + " uninitilized and unable to update buffered TimeRanges."); - } + var _proto = CapLevelController.prototype; - timeRanges[streamType] = sb.buffered; - } + _proto.destroy = function destroy() { + if (this.hls.config.capLevelToPlayerSize) { + this.media = null; + this.stopCapping(); + } + }; - _this.hls.trigger(events["default"].BUFFER_APPENDED, { - parent: parent, - pending: pending, - timeRanges: timeRanges - }); // don't append in flushing mode + _proto.onFpsDropLevelCapping = function onFpsDropLevelCapping(data) { + // Don't add a restricted level more than once + if (CapLevelController.isLevelAllowed(data.droppedLevel, this.restrictedLevels)) { + this.restrictedLevels.push(data.droppedLevel); + } + }; + _proto.onMediaAttaching = function onMediaAttaching(data) { + this.media = data.media instanceof window.HTMLVideoElement ? data.media : null; + }; - if (!_this._needsFlush) { - _this.doAppending(); - } + _proto.onManifestParsed = function onManifestParsed(data) { + var hls = this.hls; + this.restrictedLevels = []; + this.levels = data.levels; + this.firstLevel = data.firstLevel; - _this.updateMediaElementDuration(); // appending goes first + if (hls.config.capLevelToPlayerSize && data.video) { + // Start capping immediately if the manifest has signaled video codecs + this.startCapping(); + } + } // Only activate capping when playing a video stream; otherwise, multi-bitrate audio-only streams will be restricted + // to the first level + ; + _proto.onBufferCodecs = function onBufferCodecs(data) { + var hls = this.hls; - if (pending === 0) { - _this.flushLiveBackBuffer(); - } - }; + if (hls.config.capLevelToPlayerSize && data.video) { + // If the manifest did not signal a video codec capping has been deferred until we're certain video is present + this.startCapping(); + } + }; - _this._onSBUpdateError = function (event) { - logger["logger"].error('sourceBuffer error:', event); // according to http://www.w3.org/TR/media-source/#sourcebuffer-append-error - // this error might not always be fatal (it is fatal if decode error is set, in that case - // it will be followed by a mediaElement error ...) + _proto.onLevelsUpdated = function onLevelsUpdated(data) { + this.levels = data.levels; + }; - _this.hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].MEDIA_ERROR, - details: errors["ErrorDetails"].BUFFER_APPENDING_ERROR, - fatal: false - }); // we don't need to do more than that, as accordin to the spec, updateend will be fired just after + _proto.onMediaDetaching = function onMediaDetaching() { + this.stopCapping(); + }; - }; + _proto.detectPlayerSize = function detectPlayerSize() { + if (this.media) { + var levelsLength = this.levels ? this.levels.length : 0; - _this.config = hls.config; - return _this; - } + if (levelsLength) { + var hls = this.hls; + hls.autoLevelCapping = this.getMaxLevel(levelsLength - 1); - var _proto = BufferController.prototype; + if (hls.autoLevelCapping > this.autoLevelCapping) { + // if auto level capping has a higher value for the previous one, flush the buffer using nextLevelSwitch + // usually happen when the user go to the fullscreen mode. + hls.streamController.nextLevelSwitch(); + } - _proto.destroy = function destroy() { - event_handler.prototype.destroy.call(this); - }; + this.autoLevelCapping = hls.autoLevelCapping; + } + } + } + /* + * returns level should be the one with the dimensions equal or greater than the media (player) dimensions (so the video will be downscaled) + */ + ; - _proto.onLevelPtsUpdated = function onLevelPtsUpdated(data) { - var type = data.type; - var audioTrack = this.tracks.audio; // Adjusting `SourceBuffer.timestampOffset` (desired point in the timeline where the next frames should be appended) - // in Chrome browser when we detect MPEG audio container and time delta between level PTS and `SourceBuffer.timestampOffset` - // is greater than 100ms (this is enough to handle seek for VOD or level change for LIVE videos). At the time of change we issue - // `SourceBuffer.abort()` and adjusting `SourceBuffer.timestampOffset` if `SourceBuffer.updating` is false or awaiting `updateend` - // event if SB is in updating state. - // More info here: https://github.com/video-dev/hls.js/issues/332#issuecomment-257986486 + _proto.getMaxLevel = function getMaxLevel(capLevelIndex) { + var _this2 = this; - if (type === 'audio' && audioTrack && audioTrack.container === 'audio/mpeg') { - // Chrome audio mp3 track - var audioBuffer = this.sourceBuffer.audio; + if (!this.levels) { + return -1; + } - if (!audioBuffer) { - throw Error('Level PTS Updated and source buffer for audio uninitalized'); - } + var validLevels = this.levels.filter(function (level, index) { + return CapLevelController.isLevelAllowed(index, _this2.restrictedLevels) && index <= capLevelIndex; + }); + return CapLevelController.getMaxLevelByMediaSize(validLevels, this.mediaWidth, this.mediaHeight); + }; - var delta = Math.abs(audioBuffer.timestampOffset - data.start); // adjust timestamp offset if time delta is greater than 100ms + _proto.startCapping = function startCapping() { + if (this.timer) { + // Don't reset capping if started twice; this can happen if the manifest signals a video codec + return; + } - if (delta > 0.1) { - var updating = audioBuffer.updating; + this.autoLevelCapping = Number.POSITIVE_INFINITY; + this.hls.firstLevel = this.getMaxLevel(this.firstLevel); + clearInterval(this.timer); + this.timer = setInterval(this.detectPlayerSize.bind(this), 1000); + this.detectPlayerSize(); + }; - try { - audioBuffer.abort(); - } catch (err) { - logger["logger"].warn('can not abort audio buffer: ' + err); - } + _proto.stopCapping = function stopCapping() { + this.restrictedLevels = []; + this.firstLevel = null; + this.autoLevelCapping = Number.POSITIVE_INFINITY; - if (!updating) { - logger["logger"].warn('change mpeg audio timestamp offset from ' + audioBuffer.timestampOffset + ' to ' + data.start); - audioBuffer.timestampOffset = data.start; - } else { - this.audioTimestampOffset = data.start; - } - } + if (this.timer) { + this.timer = clearInterval(this.timer); + this.timer = null; } }; - _proto.onManifestParsed = function onManifestParsed(data) { - // in case of alt audio 2 BUFFER_CODECS events will be triggered, one per stream controller - // sourcebuffers will be created all at once when the expected nb of tracks will be reached - // in case alt audio is not used, only one BUFFER_CODEC event will be fired from main stream controller - // it will contain the expected nb of source buffers, no need to compute it - this.bufferCodecEventsExpected = this._bufferCodecEventsTotal = data.altAudio ? 2 : 1; - logger["logger"].log(this.bufferCodecEventsExpected + " bufferCodec event(s) expected"); + CapLevelController.isLevelAllowed = function isLevelAllowed(level, restrictedLevels) { + if (restrictedLevels === void 0) { + restrictedLevels = []; + } + + return restrictedLevels.indexOf(level) === -1; }; - _proto.onMediaAttaching = function onMediaAttaching(data) { - var media = this.media = data.media; + CapLevelController.getMaxLevelByMediaSize = function getMaxLevelByMediaSize(levels, width, height) { + if (!levels || levels && !levels.length) { + return -1; + } // Levels can have the same dimensions but differing bandwidths - since levels are ordered, we can look to the next + // to determine whether we've chosen the greatest bandwidth for the media's dimensions - if (media && buffer_controller_MediaSource) { - // setup the media source - var ms = this.mediaSource = new buffer_controller_MediaSource(); // Media Source listeners - ms.addEventListener('sourceopen', this._onMediaSourceOpen); - ms.addEventListener('sourceended', this._onMediaSourceEnded); - ms.addEventListener('sourceclose', this._onMediaSourceClose); // link video and media Source + var atGreatestBandiwdth = function atGreatestBandiwdth(curLevel, nextLevel) { + if (!nextLevel) { + return true; + } - media.src = window.URL.createObjectURL(ms); // cache the locally generated object url + return curLevel.width !== nextLevel.width || curLevel.height !== nextLevel.height; + }; // If we run through the loop without breaking, the media's dimensions are greater than every level, so default to + // the max level - this._objectUrl = media.src; + + var maxLevelIndex = levels.length - 1; + + for (var i = 0; i < levels.length; i += 1) { + var level = levels[i]; + + if ((level.width >= width || level.height >= height) && atGreatestBandiwdth(level, levels[i + 1])) { + maxLevelIndex = i; + break; + } } + + return maxLevelIndex; }; - _proto.onMediaDetaching = function onMediaDetaching() { - logger["logger"].log('media source detaching'); - var ms = this.mediaSource; + cap_level_controller_createClass(CapLevelController, [{ + key: "mediaWidth", + get: function get() { + var width; + var media = this.media; - if (ms) { - if (ms.readyState === 'open') { - try { - // endOfStream could trigger exception if any sourcebuffer is in updating state - // we don't really care about checking sourcebuffer state here, - // as we are anyway detaching the MediaSource - // let's just avoid this exception to propagate - ms.endOfStream(); - } catch (err) { - logger["logger"].warn("onMediaDetaching:" + err.message + " while calling endOfStream"); - } + if (media) { + width = media.width || media.clientWidth || media.offsetWidth; + width *= CapLevelController.contentScaleFactor; } - ms.removeEventListener('sourceopen', this._onMediaSourceOpen); - ms.removeEventListener('sourceended', this._onMediaSourceEnded); - ms.removeEventListener('sourceclose', this._onMediaSourceClose); // Detach properly the MediaSource from the HTMLMediaElement as - // suggested in https://github.com/w3c/media-source/issues/53. + return width; + } + }, { + key: "mediaHeight", + get: function get() { + var height; + var media = this.media; - if (this.media) { - if (this._objectUrl) { - window.URL.revokeObjectURL(this._objectUrl); - } // clean up video tag src only if it's our own url. some external libraries might - // hijack the video tag and change its 'src' without destroying the Hls instance first + if (media) { + height = media.height || media.clientHeight || media.offsetHeight; + height *= CapLevelController.contentScaleFactor; + } + return height; + } + }], [{ + key: "contentScaleFactor", + get: function get() { + var pixelRatio = 1; - if (this.media.src === this._objectUrl) { - this.media.removeAttribute('src'); - this.media.load(); - } else { - logger["logger"].warn('media.src was changed by a third party - skip cleanup'); - } - } + try { + pixelRatio = window.devicePixelRatio; + } catch (e) {} - this.mediaSource = null; - this.media = null; - this._objectUrl = null; - this.bufferCodecEventsExpected = this._bufferCodecEventsTotal; - this.pendingTracks = {}; - this.tracks = {}; - this.sourceBuffer = {}; - this.flushRange = []; - this.segments = []; - this.appended = 0; + return pixelRatio; } + }]); - this.hls.trigger(events["default"].MEDIA_DETACHED); - }; + return CapLevelController; +}(event_handler); - _proto.checkPendingTracks = function checkPendingTracks() { - var bufferCodecEventsExpected = this.bufferCodecEventsExpected, - pendingTracks = this.pendingTracks; // Check if we've received all of the expected bufferCodec events. When none remain, create all the sourceBuffers at once. - // This is important because the MSE spec allows implementations to throw QuotaExceededErrors if creating new sourceBuffers after - // data has been appended to existing ones. - // 2 tracks is the max (one for audio, one for video). If we've reach this max go ahead and create the buffers. +/* harmony default export */ var cap_level_controller = (cap_level_controller_CapLevelController); +// CONCATENATED MODULE: ./src/controller/fps-controller.js +function fps_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } - var pendingTracksCount = Object.keys(pendingTracks).length; +/* + * FPS Controller +*/ - if (pendingTracksCount && !bufferCodecEventsExpected || pendingTracksCount === 2) { - // ok, let's create them now ! - this.createSourceBuffers(pendingTracks); - this.pendingTracks = {}; // append any pending segments now ! - this.doAppending(); - } - }; - _proto.onBufferReset = function onBufferReset() { - var sourceBuffer = this.sourceBuffer; +var fps_controller_window = window, + fps_controller_performance = fps_controller_window.performance; - for (var type in sourceBuffer) { - var sb = sourceBuffer[type]; +var fps_controller_FPSController = +/*#__PURE__*/ +function (_EventHandler) { + fps_controller_inheritsLoose(FPSController, _EventHandler); - try { - if (sb) { - if (this.mediaSource) { - this.mediaSource.removeSourceBuffer(sb); - } + function FPSController(hls) { + return _EventHandler.call(this, hls, events["default"].MEDIA_ATTACHING) || this; + } - sb.removeEventListener('updateend', this._onSBUpdateEnd); - sb.removeEventListener('error', this._onSBUpdateError); - } - } catch (err) {} + var _proto = FPSController.prototype; + + _proto.destroy = function destroy() { + if (this.timer) { + clearInterval(this.timer); } - this.sourceBuffer = {}; - this.flushRange = []; - this.segments = []; - this.appended = 0; + this.isVideoPlaybackQualityAvailable = false; }; - _proto.onBufferCodecs = function onBufferCodecs(tracks) { - var _this2 = this; + _proto.onMediaAttaching = function onMediaAttaching(data) { + var config = this.hls.config; - // if source buffer(s) not created yet, appended buffer tracks in this.pendingTracks - // if sourcebuffers already created, do nothing ... - if (Object.keys(this.sourceBuffer).length) { - return; - } + if (config.capLevelOnFPSDrop) { + var video = this.video = data.media instanceof window.HTMLVideoElement ? data.media : null; - Object.keys(tracks).forEach(function (trackName) { - _this2.pendingTracks[trackName] = tracks[trackName]; - }); - this.bufferCodecEventsExpected = Math.max(this.bufferCodecEventsExpected - 1, 0); + if (typeof video.getVideoPlaybackQuality === 'function') { + this.isVideoPlaybackQualityAvailable = true; + } - if (this.mediaSource && this.mediaSource.readyState === 'open') { - this.checkPendingTracks(); + clearInterval(this.timer); + this.timer = setInterval(this.checkFPSInterval.bind(this), config.fpsDroppedMonitoringPeriod); } }; - _proto.createSourceBuffers = function createSourceBuffers(tracks) { - var sourceBuffer = this.sourceBuffer, - mediaSource = this.mediaSource; - - if (!mediaSource) { - throw Error('createSourceBuffers called when mediaSource was null'); - } - - for (var trackName in tracks) { - if (!sourceBuffer[trackName]) { - var track = tracks[trackName]; - - if (!track) { - throw Error("source buffer exists for track " + trackName + ", however track does not"); - } // use levelCodec as first priority + _proto.checkFPS = function checkFPS(video, decodedFrames, droppedFrames) { + var currentTime = fps_controller_performance.now(); + if (decodedFrames) { + if (this.lastTime) { + var currentPeriod = currentTime - this.lastTime, + currentDropped = droppedFrames - this.lastDroppedFrames, + currentDecoded = decodedFrames - this.lastDecodedFrames, + droppedFPS = 1000 * currentDropped / currentPeriod, + hls = this.hls; + hls.trigger(events["default"].FPS_DROP, { + currentDropped: currentDropped, + currentDecoded: currentDecoded, + totalDroppedFrames: droppedFrames + }); - var codec = track.levelCodec || track.codec; - var mimeType = track.container + ";codecs=" + codec; - logger["logger"].log("creating sourceBuffer(" + mimeType + ")"); + if (droppedFPS > 0) { + // logger.log('checkFPS : droppedFPS/decodedFPS:' + droppedFPS/(1000 * currentDecoded / currentPeriod)); + if (currentDropped > hls.config.fpsDroppedMonitoringThreshold * currentDecoded) { + var currentLevel = hls.currentLevel; + logger["logger"].warn('drop FPS ratio greater than max allowed value for currentLevel: ' + currentLevel); - try { - var sb = sourceBuffer[trackName] = mediaSource.addSourceBuffer(mimeType); - sb.addEventListener('updateend', this._onSBUpdateEnd); - sb.addEventListener('error', this._onSBUpdateError); - this.tracks[trackName] = { - buffer: sb, - codec: codec, - id: track.id, - container: track.container, - levelCodec: track.levelCodec - }; - } catch (err) { - logger["logger"].error("error while trying to add sourceBuffer:" + err.message); - this.hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].MEDIA_ERROR, - details: errors["ErrorDetails"].BUFFER_ADD_CODEC_ERROR, - fatal: false, - err: err, - mimeType: mimeType - }); + if (currentLevel > 0 && (hls.autoLevelCapping === -1 || hls.autoLevelCapping >= currentLevel)) { + currentLevel = currentLevel - 1; + hls.trigger(events["default"].FPS_DROP_LEVEL_CAPPING, { + level: currentLevel, + droppedLevel: hls.currentLevel + }); + hls.autoLevelCapping = currentLevel; + hls.streamController.nextLevelSwitch(); + } + } } } - } - this.hls.trigger(events["default"].BUFFER_CREATED, { - tracks: this.tracks - }); + this.lastTime = currentTime; + this.lastDroppedFrames = droppedFrames; + this.lastDecodedFrames = decodedFrames; + } }; - _proto.onBufferAppending = function onBufferAppending(data) { - if (!this._needsFlush) { - if (!this.segments) { - this.segments = [data]; + _proto.checkFPSInterval = function checkFPSInterval() { + var video = this.video; + + if (video) { + if (this.isVideoPlaybackQualityAvailable) { + var videoPlaybackQuality = video.getVideoPlaybackQuality(); + this.checkFPS(video, videoPlaybackQuality.totalVideoFrames, videoPlaybackQuality.droppedVideoFrames); } else { - this.segments.push(data); + this.checkFPS(video, video.webkitDecodedFrameCount, video.webkitDroppedFrameCount); } - - this.doAppending(); } - } // on BUFFER_EOS mark matching sourcebuffer(s) as ended and trigger checkEos() - // an undefined data.type will mark all buffers as EOS. - ; - - _proto.onBufferEos = function onBufferEos(data) { - for (var type in this.sourceBuffer) { - if (!data.type || data.type === type) { - var sb = this.sourceBuffer[type]; + }; - if (sb && !sb.ended) { - sb.ended = true; - logger["logger"].log(type + " sourceBuffer now EOS"); - } - } - } + return FPSController; +}(event_handler); - this.checkEos(); - } // if all source buffers are marked as ended, signal endOfStream() to MediaSource. - ; +/* harmony default export */ var fps_controller = (fps_controller_FPSController); +// CONCATENATED MODULE: ./src/utils/xhr-loader.js +/** + * XHR based logger +*/ - _proto.checkEos = function checkEos() { - var sourceBuffer = this.sourceBuffer, - mediaSource = this.mediaSource; +var xhr_loader_window = window, + xhr_loader_performance = xhr_loader_window.performance, + xhr_loader_XMLHttpRequest = xhr_loader_window.XMLHttpRequest; - if (!mediaSource || mediaSource.readyState !== 'open') { - this._needsEos = false; - return; +var xhr_loader_XhrLoader = +/*#__PURE__*/ +function () { + function XhrLoader(config) { + if (config && config.xhrSetup) { + this.xhrSetup = config.xhrSetup; } + } - for (var type in sourceBuffer) { - var sb = sourceBuffer[type]; - if (!sb) continue; - - if (!sb.ended) { - return; - } + var _proto = XhrLoader.prototype; - if (sb.updating) { - this._needsEos = true; - return; - } - } + _proto.destroy = function destroy() { + this.abort(); + this.loader = null; + }; - logger["logger"].log('all media data are available, signal endOfStream() to MediaSource and stop loading fragment'); // Notify the media element that it now has all of the media data + _proto.abort = function abort() { + var loader = this.loader; - try { - mediaSource.endOfStream(); - } catch (e) { - logger["logger"].warn('exception while calling mediaSource.endOfStream()'); + if (loader && loader.readyState !== 4) { + this.stats.aborted = true; + loader.abort(); } - this._needsEos = false; + window.clearTimeout(this.requestTimeout); + this.requestTimeout = null; + window.clearTimeout(this.retryTimeout); + this.retryTimeout = null; }; - _proto.onBufferFlushing = function onBufferFlushing(data) { - if (data.type) { - this.flushRange.push({ - start: data.startOffset, - end: data.endOffset, - type: data.type - }); - } else { - this.flushRange.push({ - start: data.startOffset, - end: data.endOffset, - type: 'video' - }); - this.flushRange.push({ - start: data.startOffset, - end: data.endOffset, - type: 'audio' - }); - } // attempt flush immediately - - - this.flushBufferCounter = 0; - this.doFlush(); + _proto.load = function load(context, config, callbacks) { + this.context = context; + this.config = config; + this.callbacks = callbacks; + this.stats = { + trequest: xhr_loader_performance.now(), + retry: 0 + }; + this.retryDelay = config.retryDelay; + this.loadInternal(); }; - _proto.flushLiveBackBuffer = function flushLiveBackBuffer() { - // clear back buffer for live only - if (!this._live) { - return; - } + _proto.loadInternal = function loadInternal() { + var xhr, + context = this.context; + xhr = this.loader = new xhr_loader_XMLHttpRequest(); + var stats = this.stats; + stats.tfirst = 0; + stats.loaded = 0; + var xhrSetup = this.xhrSetup; - var liveBackBufferLength = this.config.liveBackBufferLength; + try { + if (xhrSetup) { + try { + xhrSetup(xhr, context.url); + } catch (e) { + // fix xhrSetup: (xhr, url) => {xhr.setRequestHeader("Content-Language", "test");} + // not working, as xhr.setRequestHeader expects xhr.readyState === OPEN + xhr.open('GET', context.url, true); + xhrSetup(xhr, context.url); + } + } - if (!isFinite(liveBackBufferLength) || liveBackBufferLength < 0) { + if (!xhr.readyState) { + xhr.open('GET', context.url, true); + } + } catch (e) { + // IE11 throws an exception on xhr.open if attempting to access an HTTP resource over HTTPS + this.callbacks.onError({ + code: xhr.status, + text: e.message + }, context, xhr); return; } - if (!this.media) { - logger["logger"].error('flushLiveBackBuffer called without attaching media'); - return; + if (context.rangeEnd) { + xhr.setRequestHeader('Range', 'bytes=' + context.rangeStart + '-' + (context.rangeEnd - 1)); } - var currentTime = this.media.currentTime; - var sourceBuffer = this.sourceBuffer; - var bufferTypes = Object.keys(sourceBuffer); - var targetBackBufferPosition = currentTime - Math.max(liveBackBufferLength, this._levelTargetDuration); + xhr.onreadystatechange = this.readystatechange.bind(this); + xhr.onprogress = this.loadprogress.bind(this); + xhr.responseType = context.responseType; // setup timeout before we perform request - for (var index = bufferTypes.length - 1; index >= 0; index--) { - var bufferType = bufferTypes[index]; - var sb = sourceBuffer[bufferType]; + this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), this.config.timeout); + xhr.send(); + }; - if (sb) { - var buffered = sb.buffered; // when target buffer start exceeds actual buffer start + _proto.readystatechange = function readystatechange(event) { + var xhr = event.currentTarget, + readyState = xhr.readyState, + stats = this.stats, + context = this.context, + config = this.config; // don't proceed if xhr has been aborted - if (buffered.length > 0 && targetBackBufferPosition > buffered.start(0)) { - // remove buffer up until current time minus minimum back buffer length (removing buffer too close to current - // time will lead to playback freezing) - // credits for level target duration - https://github.com/videojs/http-streaming/blob/3132933b6aa99ddefab29c10447624efd6fd6e52/src/segment-loader.js#L91 - if (this.removeBufferRange(bufferType, sb, 0, targetBackBufferPosition)) { - this.hls.trigger(events["default"].LIVE_BACK_BUFFER_REACHED, { - bufferEnd: targetBackBufferPosition - }); - } - } + if (stats.aborted) { + return; + } // >= HEADERS_RECEIVED + + + if (readyState >= 2) { + // clear xhr timeout and rearm it if readyState less than 4 + window.clearTimeout(this.requestTimeout); + + if (stats.tfirst === 0) { + stats.tfirst = Math.max(xhr_loader_performance.now(), stats.trequest); } - } - }; - _proto.onLevelUpdated = function onLevelUpdated(_ref) { - var details = _ref.details; + if (readyState === 4) { + var status = xhr.status; // http status between 200 to 299 are all successful - if (details.fragments.length > 0) { - this._levelDuration = details.totalduration + details.fragments[0].start; - this._levelTargetDuration = details.averagetargetduration || details.targetduration || 10; - this._live = details.live; - this.updateMediaElementDuration(); - } - } - /** - * Update Media Source duration to current level duration or override to Infinity if configuration parameter - * 'liveDurationInfinity` is set to `true` - * More details: https://github.com/video-dev/hls.js/issues/355 - */ - ; + if (status >= 200 && status < 300) { + stats.tload = Math.max(stats.tfirst, xhr_loader_performance.now()); + var data, len; - _proto.updateMediaElementDuration = function updateMediaElementDuration() { - var config = this.config; - var duration; + if (context.responseType === 'arraybuffer') { + data = xhr.response; + len = data.byteLength; + } else { + data = xhr.responseText; + len = data.length; + } - if (this._levelDuration === null || !this.media || !this.mediaSource || !this.sourceBuffer || this.media.readyState === 0 || this.mediaSource.readyState !== 'open') { - return; - } + stats.loaded = stats.total = len; + var response = { + url: xhr.responseURL, + data: data + }; + this.callbacks.onSuccess(response, stats, context, xhr); + } else { + // if max nb of retries reached or if http status between 400 and 499 (such error cannot be recovered, retrying is useless), return error + if (stats.retry >= config.maxRetry) { + logger["logger"].error(status + " while loading " + context.url); + this.callbacks.onError({ + code: status, + text: xhr.statusText + }, context, xhr); + } else { + // retry + logger["logger"].warn(status + " while loading " + context.url + ", retrying in " + this.retryDelay + "..."); // aborts and resets internal state - for (var type in this.sourceBuffer) { - var sb = this.sourceBuffer[type]; + this.destroy(); // schedule retry - if (sb && sb.updating === true) { - // can't set duration whilst a buffer is updating - return; + this.retryTimeout = window.setTimeout(this.loadInternal.bind(this), this.retryDelay); // set exponential backoff + + this.retryDelay = Math.min(2 * this.retryDelay, config.maxRetryDelay); + stats.retry++; + } + } + } else { + // readyState >= 2 AND readyState !==4 (readyState = HEADERS_RECEIVED || LOADING) rearm timeout as xhr not finished yet + this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), config.timeout); } } + }; - duration = this.media.duration; // initialise to the value that the media source is reporting + _proto.loadtimeout = function loadtimeout() { + logger["logger"].warn("timeout while loading " + this.context.url); + this.callbacks.onTimeout(this.stats, this.context, null); + }; - if (this._msDuration === null) { - this._msDuration = this.mediaSource.duration; + _proto.loadprogress = function loadprogress(event) { + var xhr = event.currentTarget, + stats = this.stats; + stats.loaded = event.loaded; + + if (event.lengthComputable) { + stats.total = event.total; } - if (this._live === true && config.liveDurationInfinity === true) { - // Override duration to Infinity - logger["logger"].log('Media Source duration is set to Infinity'); - this._msDuration = this.mediaSource.duration = Infinity; - } else if (this._levelDuration > this._msDuration && this._levelDuration > duration || !Object(number_isFinite["isFiniteNumber"])(duration)) { - // levelDuration was the last value we set. - // not using mediaSource.duration as the browser may tweak this value - // only update Media Source duration if its value increase, this is to avoid - // flushing already buffered portion when switching between quality level - logger["logger"].log("Updating Media Source duration to " + this._levelDuration.toFixed(3)); - this._msDuration = this.mediaSource.duration = this._levelDuration; + var onProgress = this.callbacks.onProgress; + + if (onProgress) { + // third arg is to provide on progress data + onProgress(stats, this.context, null, xhr); } }; - _proto.doFlush = function doFlush() { - // loop through all buffer ranges to flush - while (this.flushRange.length) { - var range = this.flushRange[0]; // flushBuffer will abort any buffer append in progress and flush Audio/Video Buffer + return XhrLoader; +}(); - if (this.flushBuffer(range.start, range.end, range.type)) { - // range flushed, remove from flush array - this.flushRange.shift(); - this.flushBufferCounter = 0; - } else { - this._needsFlush = true; // avoid looping, wait for SB update end to retrigger a flush +/* harmony default export */ var xhr_loader = (xhr_loader_XhrLoader); +// CONCATENATED MODULE: ./src/controller/audio-track-controller.js +function audio_track_controller_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } - return; - } - } +function audio_track_controller_createClass(Constructor, protoProps, staticProps) { if (protoProps) audio_track_controller_defineProperties(Constructor.prototype, protoProps); if (staticProps) audio_track_controller_defineProperties(Constructor, staticProps); return Constructor; } - if (this.flushRange.length === 0) { - // everything flushed - this._needsFlush = false; // let's recompute this.appended, which is used to avoid flush looping +function audio_track_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } - var appended = 0; - var sourceBuffer = this.sourceBuffer; - try { - for (var type in sourceBuffer) { - var sb = sourceBuffer[type]; - if (sb) { - appended += sb.buffered.length; - } - } - } catch (error) { - // error could be thrown while accessing buffered, in case sourcebuffer has already been removed from MediaSource - // this is harmess at this stage, catch this to avoid reporting an internal exception - logger["logger"].error('error while accessing sourceBuffer.buffered'); - } - this.appended = appended; - this.hls.trigger(events["default"].BUFFER_FLUSHED); - } - }; - _proto.doAppending = function doAppending() { - var config = this.config, - hls = this.hls, - segments = this.segments, - sourceBuffer = this.sourceBuffer; +/** + * @class AudioTrackController + * @implements {EventHandler} + * + * Handles main manifest and audio-track metadata loaded, + * owns and exposes the selectable audio-tracks data-models. + * + * Exposes internal interface to select available audio-tracks. + * + * Handles errors on loading audio-track playlists. Manages fallback mechanism + * with redundants tracks (group-IDs). + * + * Handles level-loading and group-ID switches for video (fallback on video levels), + * and eventually adapts the audio-track group-ID to match. + * + * @fires AUDIO_TRACK_LOADING + * @fires AUDIO_TRACK_SWITCHING + * @fires AUDIO_TRACKS_UPDATED + * @fires ERROR + * + */ - if (!Object.keys(sourceBuffer).length) { - // early exit if no source buffers have been initialized yet - return; - } +var audio_track_controller_AudioTrackController = +/*#__PURE__*/ +function (_TaskLoop) { + audio_track_controller_inheritsLoose(AudioTrackController, _TaskLoop); - if (!this.media || this.media.error) { - this.segments = []; - logger["logger"].error('trying to append although a media error occured, flush segment and abort'); - return; - } + function AudioTrackController(hls) { + var _this; - if (this.appending) { - // logger.log(`sb appending in progress`); - return; - } + _this = _TaskLoop.call(this, hls, events["default"].MANIFEST_LOADING, events["default"].MANIFEST_PARSED, events["default"].AUDIO_TRACK_LOADED, events["default"].AUDIO_TRACK_SWITCHED, events["default"].LEVEL_LOADED, events["default"].ERROR) || this; + /** + * @private + * Currently selected index in `tracks` + * @member {number} trackId + */ - var segment = segments.shift(); + _this._trackId = -1; + /** + * @private + * If should select tracks according to default track attribute + * @member {boolean} _selectDefaultTrack + */ - if (!segment) { - // handle undefined shift - return; - } + _this._selectDefaultTrack = true; + /** + * @public + * All tracks available + * @member {AudioTrack[]} + */ - try { - var sb = sourceBuffer[segment.type]; + _this.tracks = []; + /** + * @public + * List of blacklisted audio track IDs (that have caused failure) + * @member {number[]} + */ - if (!sb) { - // in case we don't have any source buffer matching with this segment type, - // it means that Mediasource fails to create sourcebuffer - // discard this segment, and trigger update end - this._onSBUpdateEnd(); + _this.trackIdBlacklist = Object.create(null); + /** + * @public + * The currently running group ID for audio + * (we grab this on manifest-parsed and new level-loaded) + * @member {string} + */ - return; - } + _this.audioGroupId = null; + return _this; + } + /** + * Reset audio tracks on new manifest loading. + */ - if (sb.updating) { - // if we are still updating the source buffer from the last segment, place this back at the front of the queue - segments.unshift(segment); - return; - } // reset sourceBuffer ended flag before appending segment + var _proto = AudioTrackController.prototype; - sb.ended = false; // logger.log(`appending ${segment.content} ${type} SB, size:${segment.data.length}, ${segment.parent}`); - - this.parent = segment.parent; - sb.appendBuffer(segment.data); - this.appendError = 0; - this.appended++; - this.appending = true; - } catch (err) { - // in case any error occured while appending, put back segment in segments table - logger["logger"].error("error while trying to append buffer:" + err.message); - segments.unshift(segment); - var event = { - type: errors["ErrorTypes"].MEDIA_ERROR, - parent: segment.parent, - details: '', - fatal: false - }; - - if (err.code === 22) { - // QuotaExceededError: http://www.w3.org/TR/html5/infrastructure.html#quotaexceedederror - // let's stop appending any segments, and report BUFFER_FULL_ERROR error - this.segments = []; - event.details = errors["ErrorDetails"].BUFFER_FULL_ERROR; - } else { - this.appendError++; - event.details = errors["ErrorDetails"].BUFFER_APPEND_ERROR; - /* with UHD content, we could get loop of quota exceeded error until - browser is able to evict some data from sourcebuffer. retrying help recovering this - */ + _proto.onManifestLoading = function onManifestLoading() { + this.tracks = []; + this._trackId = -1; + this._selectDefaultTrack = true; + } + /** + * Store tracks data from manifest parsed data. + * + * Trigger AUDIO_TRACKS_UPDATED event. + * + * @param {*} data + */ + ; - if (this.appendError > config.appendErrorMaxRetry) { - logger["logger"].log("fail " + config.appendErrorMaxRetry + " times to append segment in sourceBuffer"); - this.segments = []; - event.fatal = true; - } - } + _proto.onManifestParsed = function onManifestParsed(data) { + var tracks = this.tracks = data.audioTracks || []; + this.hls.trigger(events["default"].AUDIO_TRACKS_UPDATED, { + audioTracks: tracks + }); - hls.trigger(events["default"].ERROR, event); - } + this._selectAudioGroup(this.hls.nextLoadLevel); } - /* - flush specified buffered range, - return true once range has been flushed. - as sourceBuffer.remove() is asynchronous, flushBuffer will be retriggered on sourceBuffer update end - */ + /** + * Store track details of loaded track in our data-model. + * + * Set-up metadata update interval task for live-mode streams. + * + * @param {*} data + */ ; - _proto.flushBuffer = function flushBuffer(startOffset, endOffset, sbType) { - var sourceBuffer = this.sourceBuffer; // exit if no sourceBuffers are initialized - - if (!Object.keys(sourceBuffer).length) { - return true; + _proto.onAudioTrackLoaded = function onAudioTrackLoaded(data) { + if (data.id >= this.tracks.length) { + logger["logger"].warn('Invalid audio track id:', data.id); + return; } - var currentTime = 'null'; + logger["logger"].log("audioTrack " + data.id + " loaded"); + this.tracks[data.id].details = data.details; // check if current playlist is a live playlist + // and if we have already our reload interval setup - if (this.media) { - currentTime = this.media.currentTime.toFixed(3); + if (data.details.live && !this.hasInterval()) { + // if live playlist we will have to reload it periodically + // set reload period to playlist target duration + var updatePeriodMs = data.details.targetduration * 1000; + this.setInterval(updatePeriodMs); } - logger["logger"].log("flushBuffer,pos/start/end: " + currentTime + "/" + startOffset + "/" + endOffset); // safeguard to avoid infinite looping : don't try to flush more than the nb of appended segments - - if (this.flushBufferCounter >= this.appended) { - logger["logger"].warn('abort flushing too many retries'); - return true; + if (!data.details.live && this.hasInterval()) { + // playlist is not live and timer is scheduled: cancel it + this.clearInterval(); } + } + /** + * Update the internal group ID to any audio-track we may have set manually + * or because of a failure-handling fallback. + * + * Quality-levels should update to that group ID in this case. + * + * @param {*} data + */ + ; - var sb = sourceBuffer[sbType]; // we are going to flush buffer, mark source buffer as 'not ended' - - if (sb) { - sb.ended = false; + _proto.onAudioTrackSwitched = function onAudioTrackSwitched(data) { + var audioGroupId = this.tracks[data.id].groupId; - if (!sb.updating) { - if (this.removeBufferRange(sbType, sb, startOffset, endOffset)) { - this.flushBufferCounter++; - return false; - } - } else { - logger["logger"].warn('cannot flush, sb updating in progress'); - return false; - } + if (audioGroupId && this.audioGroupId !== audioGroupId) { + this.audioGroupId = audioGroupId; } - - logger["logger"].log('buffer flushed'); // everything flushed ! - - return true; } /** - * Removes first buffered range from provided source buffer that lies within given start and end offsets. + * When a level gets loaded, if it has redundant audioGroupIds (in the same ordinality as it's redundant URLs) + * we are setting our audio-group ID internally to the one set, if it is different from the group ID currently set. * - * @param {string} type Type of the source buffer, logging purposes only. - * @param {SourceBuffer} sb Target SourceBuffer instance. - * @param {number} startOffset - * @param {number} endOffset + * If group-ID got update, we re-select the appropriate audio-track with this group-ID matching the currently + * selected one (based on NAME property). * - * @returns {boolean} True when source buffer remove requested. + * @param {*} data */ ; - _proto.removeBufferRange = function removeBufferRange(type, sb, startOffset, endOffset) { - try { - for (var i = 0; i < sb.buffered.length; i++) { - var bufStart = sb.buffered.start(i); - var bufEnd = sb.buffered.end(i); - var removeStart = Math.max(bufStart, startOffset); - var removeEnd = Math.min(bufEnd, endOffset); - /* sometimes sourcebuffer.remove() does not flush - the exact expected time range. - to avoid rounding issues/infinite loop, - only flush buffer range of length greater than 500ms. - */ + _proto.onLevelLoaded = function onLevelLoaded(data) { + this._selectAudioGroup(data.level); + } + /** + * Handle network errors loading audio track manifests + * and also pausing on any netwok errors. + * + * @param {ErrorEventData} data + */ + ; - if (Math.min(removeEnd, bufEnd) - removeStart > 0.5) { - var currentTime = 'null'; + _proto.onError = function onError(data) { + // Only handle network errors + if (data.type !== errors["ErrorTypes"].NETWORK_ERROR) { + return; + } // If fatal network error, cancel update task - if (this.media) { - currentTime = this.media.currentTime.toString(); - } - logger["logger"].log("sb remove " + type + " [" + removeStart + "," + removeEnd + "], of [" + bufStart + "," + bufEnd + "], pos:" + currentTime); - sb.remove(removeStart, removeEnd); - return true; - } - } - } catch (error) { - logger["logger"].warn('removeBufferRange failed', error); - } + if (data.fatal) { + this.clearInterval(); + } // If not an audio-track loading error don't handle further - return false; - }; - return BufferController; -}(event_handler); + if (data.details !== errors["ErrorDetails"].AUDIO_TRACK_LOAD_ERROR) { + return; + } -/* harmony default export */ var buffer_controller = (buffer_controller_BufferController); -// CONCATENATED MODULE: ./src/controller/cap-level-controller.js -function cap_level_controller_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } + logger["logger"].warn('Network failure on audio-track id:', data.context.id); -function cap_level_controller_createClass(Constructor, protoProps, staticProps) { if (protoProps) cap_level_controller_defineProperties(Constructor.prototype, protoProps); if (staticProps) cap_level_controller_defineProperties(Constructor, staticProps); return Constructor; } + this._handleLoadError(); + } + /** + * @type {AudioTrack[]} Audio-track list we own + */ + ; -function cap_level_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } + /** + * @private + * @param {number} newId + */ + _proto._setAudioTrack = function _setAudioTrack(newId) { + // noop on same audio track id as already set + if (this._trackId === newId && this.tracks[this._trackId].details) { + logger["logger"].debug('Same id as current audio-track passed, and track details available -> no-op'); + return; + } // check if level idx is valid -/* - * cap stream level to media size dimension controller -*/ + if (newId < 0 || newId >= this.tracks.length) { + logger["logger"].warn('Invalid id passed to audio-track controller'); + return; + } + var audioTrack = this.tracks[newId]; + logger["logger"].log("Now switching to audio-track index " + newId); // stopping live reloading timer if any -var cap_level_controller_CapLevelController = -/*#__PURE__*/ -function (_EventHandler) { - cap_level_controller_inheritsLoose(CapLevelController, _EventHandler); + this.clearInterval(); + this._trackId = newId; + var url = audioTrack.url, + type = audioTrack.type, + id = audioTrack.id; + this.hls.trigger(events["default"].AUDIO_TRACK_SWITCHING, { + id: id, + type: type, + url: url + }); - function CapLevelController(hls) { - var _this; + this._loadTrackDetailsIfNeeded(audioTrack); + } + /** + * @override + */ + ; - _this = _EventHandler.call(this, hls, events["default"].FPS_DROP_LEVEL_CAPPING, events["default"].MEDIA_ATTACHING, events["default"].MANIFEST_PARSED, events["default"].BUFFER_CODECS, events["default"].MEDIA_DETACHING) || this; - _this.autoLevelCapping = Number.POSITIVE_INFINITY; - _this.firstLevel = null; - _this.levels = []; - _this.media = null; - _this.restrictedLevels = []; - _this.timer = null; - return _this; + _proto.doTick = function doTick() { + this._updateTrack(this._trackId); } + /** + * @param levelId + * @private + */ + ; - var _proto = CapLevelController.prototype; + _proto._selectAudioGroup = function _selectAudioGroup(levelId) { + var levelInfo = this.hls.levels[levelId]; - _proto.destroy = function destroy() { - if (this.hls.config.capLevelToPlayerSize) { - this.media = null; - this.stopCapping(); + if (!levelInfo || !levelInfo.audioGroupIds) { + return; } - }; - _proto.onFpsDropLevelCapping = function onFpsDropLevelCapping(data) { - // Don't add a restricted level more than once - if (CapLevelController.isLevelAllowed(data.droppedLevel, this.restrictedLevels)) { - this.restrictedLevels.push(data.droppedLevel); + var audioGroupId = levelInfo.audioGroupIds[levelInfo.urlId]; + + if (this.audioGroupId !== audioGroupId) { + this.audioGroupId = audioGroupId; + + this._selectInitialAudioTrack(); } - }; + } + /** + * Select initial track + * @private + */ + ; - _proto.onMediaAttaching = function onMediaAttaching(data) { - this.media = data.media instanceof window.HTMLVideoElement ? data.media : null; - }; + _proto._selectInitialAudioTrack = function _selectInitialAudioTrack() { + var _this2 = this; - _proto.onManifestParsed = function onManifestParsed(data) { - var hls = this.hls; - this.restrictedLevels = []; - this.levels = data.levels; - this.firstLevel = data.firstLevel; + var tracks = this.tracks; - if (hls.config.capLevelToPlayerSize && data.video) { - // Start capping immediately if the manifest has signaled video codecs - this.startCapping(); + if (!tracks.length) { + return; } - } // Only activate capping when playing a video stream; otherwise, multi-bitrate audio-only streams will be restricted - // to the first level - ; - _proto.onBufferCodecs = function onBufferCodecs(data) { - var hls = this.hls; + var currentAudioTrack = this.tracks[this._trackId]; + var name = null; - if (hls.config.capLevelToPlayerSize && data.video) { - // If the manifest did not signal a video codec capping has been deferred until we're certain video is present - this.startCapping(); + if (currentAudioTrack) { + name = currentAudioTrack.name; + } // Pre-select default tracks if there are any + + + if (this._selectDefaultTrack) { + var defaultTracks = tracks.filter(function (track) { + return track.default; + }); + + if (defaultTracks.length) { + tracks = defaultTracks; + } else { + logger["logger"].warn('No default audio tracks defined'); + } } - }; - _proto.onLevelsUpdated = function onLevelsUpdated(data) { - this.levels = data.levels; - }; + var trackFound = false; - _proto.onMediaDetaching = function onMediaDetaching() { - this.stopCapping(); - }; + var traverseTracks = function traverseTracks() { + // Select track with right group ID + tracks.forEach(function (track) { + if (trackFound) { + return; + } // We need to match the (pre-)selected group ID + // and the NAME of the current track. - _proto.detectPlayerSize = function detectPlayerSize() { - if (this.media) { - var levelsLength = this.levels ? this.levels.length : 0; - if (levelsLength) { - var hls = this.hls; - hls.autoLevelCapping = this.getMaxLevel(levelsLength - 1); + if ((!_this2.audioGroupId || track.groupId === _this2.audioGroupId) && (!name || name === track.name)) { + // If there was a previous track try to stay with the same `NAME`. + // It should be unique across tracks of same group, and consistent through redundant track groups. + _this2._setAudioTrack(track.id); - if (hls.autoLevelCapping > this.autoLevelCapping) { - // if auto level capping has a higher value for the previous one, flush the buffer using nextLevelSwitch - // usually happen when the user go to the fullscreen mode. - hls.streamController.nextLevelSwitch(); + trackFound = true; } + }); + }; - this.autoLevelCapping = hls.autoLevelCapping; - } - } - } - /* - * returns level should be the one with the dimensions equal or greater than the media (player) dimensions (so the video will be downscaled) - */ - ; + traverseTracks(); - _proto.getMaxLevel = function getMaxLevel(capLevelIndex) { - var _this2 = this; + if (!trackFound) { + name = null; + traverseTracks(); + } - if (!this.levels) { - return -1; + if (!trackFound) { + logger["logger"].error("No track found for running audio group-ID: " + this.audioGroupId); + this.hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].MEDIA_ERROR, + details: errors["ErrorDetails"].AUDIO_TRACK_LOAD_ERROR, + fatal: true + }); } + } + /** + * @private + * @param {AudioTrack} audioTrack + * @returns {boolean} + */ + ; - var validLevels = this.levels.filter(function (level, index) { - return CapLevelController.isLevelAllowed(index, _this2.restrictedLevels) && index <= capLevelIndex; - }); - return CapLevelController.getMaxLevelByMediaSize(validLevels, this.mediaWidth, this.mediaHeight); - }; + _proto._needsTrackLoading = function _needsTrackLoading(audioTrack) { + var details = audioTrack.details, + url = audioTrack.url; - _proto.startCapping = function startCapping() { - if (this.timer) { - // Don't reset capping if started twice; this can happen if the manifest signals a video codec - return; + if (!details || details.live) { + // check if we face an audio track embedded in main playlist (audio track without URI attribute) + return !!url; } - this.autoLevelCapping = Number.POSITIVE_INFINITY; - this.hls.firstLevel = this.getMaxLevel(this.firstLevel); - clearInterval(this.timer); - this.timer = setInterval(this.detectPlayerSize.bind(this), 1000); - this.detectPlayerSize(); - }; + return false; + } + /** + * @private + * @param {AudioTrack} audioTrack + */ + ; - _proto.stopCapping = function stopCapping() { - this.restrictedLevels = []; - this.firstLevel = null; - this.autoLevelCapping = Number.POSITIVE_INFINITY; + _proto._loadTrackDetailsIfNeeded = function _loadTrackDetailsIfNeeded(audioTrack) { + if (this._needsTrackLoading(audioTrack)) { + var url = audioTrack.url, + id = audioTrack.id; // track not retrieved yet, or live playlist we need to (re)load it - if (this.timer) { - this.timer = clearInterval(this.timer); - this.timer = null; + logger["logger"].log("loading audio-track playlist for id: " + id); + this.hls.trigger(events["default"].AUDIO_TRACK_LOADING, { + url: url, + id: id + }); } - }; + } + /** + * @private + * @param {number} newId + */ + ; - CapLevelController.isLevelAllowed = function isLevelAllowed(level, restrictedLevels) { - if (restrictedLevels === void 0) { - restrictedLevels = []; - } + _proto._updateTrack = function _updateTrack(newId) { + // check if level idx is valid + if (newId < 0 || newId >= this.tracks.length) { + return; + } // stopping live reloading timer if any - return restrictedLevels.indexOf(level) === -1; - }; - CapLevelController.getMaxLevelByMediaSize = function getMaxLevelByMediaSize(levels, width, height) { - if (!levels || levels && !levels.length) { - return -1; - } // Levels can have the same dimensions but differing bandwidths - since levels are ordered, we can look to the next - // to determine whether we've chosen the greatest bandwidth for the media's dimensions + this.clearInterval(); + this._trackId = newId; + logger["logger"].log("trying to update audio-track " + newId); + var audioTrack = this.tracks[newId]; + this._loadTrackDetailsIfNeeded(audioTrack); + } + /** + * @private + */ + ; - var atGreatestBandiwdth = function atGreatestBandiwdth(curLevel, nextLevel) { - if (!nextLevel) { - return true; - } + _proto._handleLoadError = function _handleLoadError() { + // First, let's black list current track id + this.trackIdBlacklist[this._trackId] = true; // Let's try to fall back on a functional audio-track with the same group ID - return curLevel.width !== nextLevel.width || curLevel.height !== nextLevel.height; - }; // If we run through the loop without breaking, the media's dimensions are greater than every level, so default to - // the max level + var previousId = this._trackId; + var _this$tracks$previous = this.tracks[previousId], + name = _this$tracks$previous.name, + language = _this$tracks$previous.language, + groupId = _this$tracks$previous.groupId; + logger["logger"].warn("Loading failed on audio track id: " + previousId + ", group-id: " + groupId + ", name/language: \"" + name + "\" / \"" + language + "\""); // Find a non-blacklisted track ID with the same NAME + // At least a track that is not blacklisted, thus on another group-ID. + var newId = previousId; - var maxLevelIndex = levels.length - 1; + for (var i = 0; i < this.tracks.length; i++) { + if (this.trackIdBlacklist[i]) { + continue; + } - for (var i = 0; i < levels.length; i += 1) { - var level = levels[i]; + var newTrack = this.tracks[i]; - if ((level.width >= width || level.height >= height) && atGreatestBandiwdth(level, levels[i + 1])) { - maxLevelIndex = i; + if (newTrack.name === name) { + newId = i; break; } } - return maxLevelIndex; - }; + if (newId === previousId) { + logger["logger"].warn("No fallback audio-track found for name/language: \"" + name + "\" / \"" + language + "\""); + return; + } - cap_level_controller_createClass(CapLevelController, [{ - key: "mediaWidth", - get: function get() { - var width; - var media = this.media; + logger["logger"].log('Attempting audio-track fallback id:', newId, 'group-id:', this.tracks[newId].groupId); - if (media) { - width = media.width || media.clientWidth || media.offsetWidth; - width *= CapLevelController.contentScaleFactor; - } + this._setAudioTrack(newId); + }; - return width; + audio_track_controller_createClass(AudioTrackController, [{ + key: "audioTracks", + get: function get() { + return this.tracks; } + /** + * @type {number} Index into audio-tracks list of currently selected track. + */ + }, { - key: "mediaHeight", + key: "audioTrack", get: function get() { - var height; - var media = this.media; - - if (media) { - height = media.height || media.clientHeight || media.offsetHeight; - height *= CapLevelController.contentScaleFactor; - } - - return height; + return this._trackId; } - }], [{ - key: "contentScaleFactor", - get: function get() { - var pixelRatio = 1; + /** + * Select current track by index + */ + , + set: function set(newId) { + this._setAudioTrack(newId); // If audio track is selected from API then don't choose from the manifest default track - try { - pixelRatio = window.devicePixelRatio; - } catch (e) {} - return pixelRatio; + this._selectDefaultTrack = false; } }]); - return CapLevelController; -}(event_handler); + return AudioTrackController; +}(TaskLoop); + +/* harmony default export */ var audio_track_controller = (audio_track_controller_AudioTrackController); +// CONCATENATED MODULE: ./src/controller/audio-stream-controller.js + + -/* harmony default export */ var cap_level_controller = (cap_level_controller_CapLevelController); -// CONCATENATED MODULE: ./src/controller/fps-controller.js -function fps_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } + +function audio_stream_controller_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } + +function audio_stream_controller_createClass(Constructor, protoProps, staticProps) { if (protoProps) audio_stream_controller_defineProperties(Constructor.prototype, protoProps); if (staticProps) audio_stream_controller_defineProperties(Constructor, staticProps); return Constructor; } + +function audio_stream_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } /* - * FPS Controller + * Audio Stream Controller */ -var fps_controller_window = window, - fps_controller_performance = fps_controller_window.performance; -var fps_controller_FPSController = -/*#__PURE__*/ -function (_EventHandler) { - fps_controller_inheritsLoose(FPSController, _EventHandler); - function FPSController(hls) { - return _EventHandler.call(this, hls, events["default"].MEDIA_ATTACHING) || this; - } - var _proto = FPSController.prototype; - _proto.destroy = function destroy() { - if (this.timer) { - clearInterval(this.timer); - } - this.isVideoPlaybackQualityAvailable = false; - }; - _proto.onMediaAttaching = function onMediaAttaching(data) { - var config = this.hls.config; - if (config.capLevelOnFPSDrop) { - var video = this.video = data.media instanceof window.HTMLVideoElement ? data.media : null; - if (typeof video.getVideoPlaybackQuality === 'function') { - this.isVideoPlaybackQualityAvailable = true; - } - clearInterval(this.timer); - this.timer = setInterval(this.checkFPSInterval.bind(this), config.fpsDroppedMonitoringPeriod); - } - }; +var audio_stream_controller_window = window, + audio_stream_controller_performance = audio_stream_controller_window.performance; +var audio_stream_controller_TICK_INTERVAL = 100; // how often to tick in ms - _proto.checkFPS = function checkFPS(video, decodedFrames, droppedFrames) { - var currentTime = fps_controller_performance.now(); +var audio_stream_controller_AudioStreamController = +/*#__PURE__*/ +function (_BaseStreamController) { + audio_stream_controller_inheritsLoose(AudioStreamController, _BaseStreamController); - if (decodedFrames) { - if (this.lastTime) { - var currentPeriod = currentTime - this.lastTime, - currentDropped = droppedFrames - this.lastDroppedFrames, - currentDecoded = decodedFrames - this.lastDecodedFrames, - droppedFPS = 1000 * currentDropped / currentPeriod, - hls = this.hls; - hls.trigger(events["default"].FPS_DROP, { - currentDropped: currentDropped, - currentDecoded: currentDecoded, - totalDroppedFrames: droppedFrames - }); + function AudioStreamController(hls, fragmentTracker) { + var _this; - if (droppedFPS > 0) { - // logger.log('checkFPS : droppedFPS/decodedFPS:' + droppedFPS/(1000 * currentDecoded / currentPeriod)); - if (currentDropped > hls.config.fpsDroppedMonitoringThreshold * currentDecoded) { - var currentLevel = hls.currentLevel; - logger["logger"].warn('drop FPS ratio greater than max allowed value for currentLevel: ' + currentLevel); + _this = _BaseStreamController.call(this, hls, events["default"].MEDIA_ATTACHED, events["default"].MEDIA_DETACHING, events["default"].AUDIO_TRACKS_UPDATED, events["default"].AUDIO_TRACK_SWITCHING, events["default"].AUDIO_TRACK_LOADED, events["default"].KEY_LOADED, events["default"].FRAG_LOADED, events["default"].FRAG_PARSING_INIT_SEGMENT, events["default"].FRAG_PARSING_DATA, events["default"].FRAG_PARSED, events["default"].ERROR, events["default"].BUFFER_RESET, events["default"].BUFFER_CREATED, events["default"].BUFFER_APPENDED, events["default"].BUFFER_FLUSHED, events["default"].INIT_PTS_FOUND) || this; + _this.fragmentTracker = fragmentTracker; + _this.config = hls.config; + _this.audioCodecSwap = false; + _this._state = State.STOPPED; + _this.initPTS = []; + _this.waitingFragment = null; + _this.videoTrackCC = null; + return _this; + } // Signal that video PTS was found - if (currentLevel > 0 && (hls.autoLevelCapping === -1 || hls.autoLevelCapping >= currentLevel)) { - currentLevel = currentLevel - 1; - hls.trigger(events["default"].FPS_DROP_LEVEL_CAPPING, { - level: currentLevel, - droppedLevel: hls.currentLevel - }); - hls.autoLevelCapping = currentLevel; - hls.streamController.nextLevelSwitch(); - } - } - } - } - this.lastTime = currentTime; - this.lastDroppedFrames = droppedFrames; - this.lastDecodedFrames = decodedFrames; + var _proto = AudioStreamController.prototype; + + _proto.onInitPtsFound = function onInitPtsFound(data) { + var demuxerId = data.id, + cc = data.frag.cc, + initPTS = data.initPTS; + + if (demuxerId === 'main') { + // Always update the new INIT PTS + // Can change due level switch + this.initPTS[cc] = initPTS; + this.videoTrackCC = cc; + logger["logger"].log("InitPTS for cc: " + cc + " found from video track: " + initPTS); // If we are waiting we need to demux/remux the waiting frag + // With the new initPTS + + if (this.state === State.WAITING_INIT_PTS) { + this.tick(); + } } }; - _proto.checkFPSInterval = function checkFPSInterval() { - var video = this.video; + _proto.startLoad = function startLoad(startPosition) { + if (this.tracks) { + var lastCurrentTime = this.lastCurrentTime; + this.stopLoad(); + this.setInterval(audio_stream_controller_TICK_INTERVAL); + this.fragLoadError = 0; - if (video) { - if (this.isVideoPlaybackQualityAvailable) { - var videoPlaybackQuality = video.getVideoPlaybackQuality(); - this.checkFPS(video, videoPlaybackQuality.totalVideoFrames, videoPlaybackQuality.droppedVideoFrames); + if (lastCurrentTime > 0 && startPosition === -1) { + logger["logger"].log("audio:override startPosition with lastCurrentTime @" + lastCurrentTime.toFixed(3)); + this.state = State.IDLE; } else { - this.checkFPS(video, video.webkitDecodedFrameCount, video.webkitDroppedFrameCount); + this.lastCurrentTime = this.startPosition ? this.startPosition : startPosition; + this.state = State.STARTING; } + + this.nextLoadPosition = this.startPosition = this.lastCurrentTime; + this.tick(); + } else { + this.startPosition = startPosition; + this.state = State.STOPPED; } }; - return FPSController; -}(event_handler); + _proto.doTick = function doTick() { + var pos, + track, + trackDetails, + hls = this.hls, + config = hls.config; // logger.log('audioStream:' + this.state); -/* harmony default export */ var fps_controller = (fps_controller_FPSController); -// CONCATENATED MODULE: ./src/utils/xhr-loader.js -/** - * XHR based logger -*/ + switch (this.state) { + case State.ERROR: // don't do anything in error state to avoid breaking further ... -var xhr_loader_window = window, - xhr_loader_performance = xhr_loader_window.performance, - xhr_loader_XMLHttpRequest = xhr_loader_window.XMLHttpRequest; + case State.PAUSED: // don't do anything in paused state either ... -var xhr_loader_XhrLoader = -/*#__PURE__*/ -function () { - function XhrLoader(config) { - if (config && config.xhrSetup) { - this.xhrSetup = config.xhrSetup; - } - } + case State.BUFFER_FLUSHING: + break; - var _proto = XhrLoader.prototype; + case State.STARTING: + this.state = State.WAITING_TRACK; + this.loadedmetadata = false; + break; - _proto.destroy = function destroy() { - this.abort(); - this.loader = null; - }; + case State.IDLE: + var tracks = this.tracks; // audio tracks not received => exit loop - _proto.abort = function abort() { - var loader = this.loader; + if (!tracks) { + break; + } // if video not attached AND + // start fragment already requested OR start frag prefetch disable + // exit loop + // => if media not attached but start frag prefetch is enabled and start frag not requested yet, we will not exit loop - if (loader && loader.readyState !== 4) { - this.stats.aborted = true; - loader.abort(); - } - window.clearTimeout(this.requestTimeout); - this.requestTimeout = null; - window.clearTimeout(this.retryTimeout); - this.retryTimeout = null; - }; + if (!this.media && (this.startFragRequested || !config.startFragPrefetch)) { + break; + } // determine next candidate fragment to be loaded, based on current position and + // end of buffer position + // if we have not yet loaded any fragment, start loading from start position - _proto.load = function load(context, config, callbacks) { - this.context = context; - this.config = config; - this.callbacks = callbacks; - this.stats = { - trequest: xhr_loader_performance.now(), - retry: 0 - }; - this.retryDelay = config.retryDelay; - this.loadInternal(); - }; - _proto.loadInternal = function loadInternal() { - var xhr, - context = this.context; - xhr = this.loader = new xhr_loader_XMLHttpRequest(); - var stats = this.stats; - stats.tfirst = 0; - stats.loaded = 0; - var xhrSetup = this.xhrSetup; + if (this.loadedmetadata) { + pos = this.media.currentTime; + } else { + pos = this.nextLoadPosition; - try { - if (xhrSetup) { - try { - xhrSetup(xhr, context.url); - } catch (e) { - // fix xhrSetup: (xhr, url) => {xhr.setRequestHeader("Content-Language", "test");} - // not working, as xhr.setRequestHeader expects xhr.readyState === OPEN - xhr.open('GET', context.url, true); - xhrSetup(xhr, context.url); + if (pos === undefined) { + break; + } } - } - - if (!xhr.readyState) { - xhr.open('GET', context.url, true); - } - } catch (e) { - // IE11 throws an exception on xhr.open if attempting to access an HTTP resource over HTTPS - this.callbacks.onError({ - code: xhr.status, - text: e.message - }, context, xhr); - return; - } - if (context.rangeEnd) { - xhr.setRequestHeader('Range', 'bytes=' + context.rangeStart + '-' + (context.rangeEnd - 1)); - } - - xhr.onreadystatechange = this.readystatechange.bind(this); - xhr.onprogress = this.loadprogress.bind(this); - xhr.responseType = context.responseType; // setup timeout before we perform request - - this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), this.config.timeout); - xhr.send(); - }; - - _proto.readystatechange = function readystatechange(event) { - var xhr = event.currentTarget, - readyState = xhr.readyState, - stats = this.stats, - context = this.context, - config = this.config; // don't proceed if xhr has been aborted + var media = this.mediaBuffer ? this.mediaBuffer : this.media, + videoBuffer = this.videoBuffer ? this.videoBuffer : this.media, + bufferInfo = BufferHelper.bufferInfo(media, pos, config.maxBufferHole), + mainBufferInfo = BufferHelper.bufferInfo(videoBuffer, pos, config.maxBufferHole), + bufferLen = bufferInfo.len, + bufferEnd = bufferInfo.end, + fragPrevious = this.fragPrevious, + // ensure we buffer at least config.maxBufferLength (default 30s) or config.maxMaxBufferLength (default: 600s) + // whichever is smaller. + // once we reach that threshold, don't buffer more than video (mainBufferInfo.len) + maxConfigBuffer = Math.min(config.maxBufferLength, config.maxMaxBufferLength), + maxBufLen = Math.max(maxConfigBuffer, mainBufferInfo.len), + audioSwitch = this.audioSwitch, + trackId = this.trackId; // if buffer length is less than maxBufLen try to load a new fragment - if (stats.aborted) { - return; - } // >= HEADERS_RECEIVED + if ((bufferLen < maxBufLen || audioSwitch) && trackId < tracks.length) { + trackDetails = tracks[trackId].details; // if track info not retrieved yet, switch state and wait for track retrieval + if (typeof trackDetails === 'undefined') { + this.state = State.WAITING_TRACK; + break; + } - if (readyState >= 2) { - // clear xhr timeout and rearm it if readyState less than 4 - window.clearTimeout(this.requestTimeout); + if (!audioSwitch && this._streamEnded(bufferInfo, trackDetails)) { + this.hls.trigger(events["default"].BUFFER_EOS, { + type: 'audio' + }); + this.state = State.ENDED; + return; + } // find fragment index, contiguous with end of buffer position - if (stats.tfirst === 0) { - stats.tfirst = Math.max(xhr_loader_performance.now(), stats.trequest); - } - if (readyState === 4) { - var status = xhr.status; // http status between 200 to 299 are all successful + var fragments = trackDetails.fragments, + fragLen = fragments.length, + start = fragments[0].start, + end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration, + frag; // When switching audio track, reload audio as close as possible to currentTime - if (status >= 200 && status < 300) { - stats.tload = Math.max(stats.tfirst, xhr_loader_performance.now()); - var data, len; + if (audioSwitch) { + if (trackDetails.live && !trackDetails.PTSKnown) { + logger["logger"].log('switching audiotrack, live stream, unknown PTS,load first fragment'); + bufferEnd = 0; + } else { + bufferEnd = pos; // if currentTime (pos) is less than alt audio playlist start time, it means that alt audio is ahead of currentTime - if (context.responseType === 'arraybuffer') { - data = xhr.response; - len = data.byteLength; - } else { - data = xhr.responseText; - len = data.length; + if (trackDetails.PTSKnown && pos < start) { + // if everything is buffered from pos to start or if audio buffer upfront, let's seek to start + if (bufferInfo.end > start || bufferInfo.nextStart) { + logger["logger"].log('alt audio track ahead of main track, seek to start of alt audio track'); + this.media.currentTime = start + 0.05; + } else { + return; + } + } + } } - stats.loaded = stats.total = len; - var response = { - url: xhr.responseURL, - data: data - }; - this.callbacks.onSuccess(response, stats, context, xhr); - } else { - // if max nb of retries reached or if http status between 400 and 499 (such error cannot be recovered, retrying is useless), return error - if (stats.retry >= config.maxRetry) { - logger["logger"].error(status + " while loading " + context.url); - this.callbacks.onError({ - code: status, - text: xhr.statusText - }, context, xhr); - } else { - // retry - logger["logger"].warn(status + " while loading " + context.url + ", retrying in " + this.retryDelay + "..."); // aborts and resets internal state - - this.destroy(); // schedule retry + if (trackDetails.initSegment && !trackDetails.initSegment.data) { + frag = trackDetails.initSegment; + } // eslint-disable-line brace-style + // if bufferEnd before start of playlist, load first fragment + else if (bufferEnd <= start) { + frag = fragments[0]; - this.retryTimeout = window.setTimeout(this.loadInternal.bind(this), this.retryDelay); // set exponential backoff + if (this.videoTrackCC !== null && frag.cc !== this.videoTrackCC) { + // Ensure we find a fragment which matches the continuity of the video track + frag = findFragWithCC(fragments, this.videoTrackCC); + } - this.retryDelay = Math.min(2 * this.retryDelay, config.maxRetryDelay); - stats.retry++; - } - } - } else { - // readyState >= 2 AND readyState !==4 (readyState = HEADERS_RECEIVED || LOADING) rearm timeout as xhr not finished yet - this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), config.timeout); - } - } - }; + if (trackDetails.live && frag.loadIdx && frag.loadIdx === this.fragLoadIdx) { + // we just loaded this first fragment, and we are still lagging behind the start of the live playlist + // let's force seek to start + var nextBuffered = bufferInfo.nextStart ? bufferInfo.nextStart : start; + logger["logger"].log("no alt audio available @currentTime:" + this.media.currentTime + ", seeking @" + (nextBuffered + 0.05)); + this.media.currentTime = nextBuffered + 0.05; + return; + } + } else { + var foundFrag; + var maxFragLookUpTolerance = config.maxFragLookUpTolerance; + var fragNext = fragPrevious ? fragments[fragPrevious.sn - fragments[0].sn + 1] : undefined; - _proto.loadtimeout = function loadtimeout() { - logger["logger"].warn("timeout while loading " + this.context.url); - this.callbacks.onTimeout(this.stats, this.context, null); - }; + var fragmentWithinToleranceTest = function fragmentWithinToleranceTest(candidate) { + // offset should be within fragment boundary - config.maxFragLookUpTolerance + // this is to cope with situations like + // bufferEnd = 9.991 + // frag[Ø] : [0,10] + // frag[1] : [10,20] + // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here + // frag start frag start+duration + // |-----------------------------| + // <---> <---> + // ...--------><-----------------------------><---------.... + // previous frag matching fragment next frag + // return -1 return 0 return 1 + // logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`); + // Set the lookup tolerance to be small enough to detect the current segment - ensures we don't skip over very small segments + var candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration); - _proto.loadprogress = function loadprogress(event) { - var xhr = event.currentTarget, - stats = this.stats; - stats.loaded = event.loaded; + if (candidate.start + candidate.duration - candidateLookupTolerance <= bufferEnd) { + return 1; + } else if (candidate.start - candidateLookupTolerance > bufferEnd && candidate.start) { + // if maxFragLookUpTolerance will have negative value then don't return -1 for first element + return -1; + } - if (event.lengthComputable) { - stats.total = event.total; - } + return 0; + }; - var onProgress = this.callbacks.onProgress; + if (bufferEnd < end) { + if (bufferEnd > end - maxFragLookUpTolerance) { + maxFragLookUpTolerance = 0; + } // Prefer the next fragment if it's within tolerance - if (onProgress) { - // third arg is to provide on progress data - onProgress(stats, this.context, null, xhr); - } - }; - return XhrLoader; -}(); + if (fragNext && !fragmentWithinToleranceTest(fragNext)) { + foundFrag = fragNext; + } else { + foundFrag = binary_search.search(fragments, fragmentWithinToleranceTest); + } + } else { + // reach end of playlist + foundFrag = fragments[fragLen - 1]; + } -/* harmony default export */ var xhr_loader = (xhr_loader_XhrLoader); -// CONCATENATED MODULE: ./src/controller/audio-track-controller.js -function audio_track_controller_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } + if (foundFrag) { + frag = foundFrag; + start = foundFrag.start; // logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn); -function audio_track_controller_createClass(Constructor, protoProps, staticProps) { if (protoProps) audio_track_controller_defineProperties(Constructor.prototype, protoProps); if (staticProps) audio_track_controller_defineProperties(Constructor, staticProps); return Constructor; } - -function audio_track_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } + if (fragPrevious && frag.level === fragPrevious.level && frag.sn === fragPrevious.sn) { + if (frag.sn < trackDetails.endSN) { + frag = fragments[frag.sn + 1 - trackDetails.startSN]; + logger["logger"].log("SN just loaded, load next one: " + frag.sn); + } else { + frag = null; + } + } + } + } + if (frag) { + // logger.log(' loading frag ' + i +',pos/bufEnd:' + pos.toFixed(3) + '/' + bufferEnd.toFixed(3)); + if (frag.encrypted) { + logger["logger"].log("Loading key for " + frag.sn + " of [" + trackDetails.startSN + " ," + trackDetails.endSN + "],track " + trackId); + this.state = State.KEY_LOADING; + hls.trigger(events["default"].KEY_LOADING, { + frag: frag + }); + } else { + logger["logger"].log("Loading " + frag.sn + ", cc: " + frag.cc + " of [" + trackDetails.startSN + " ," + trackDetails.endSN + "],track " + trackId + ", currentTime:" + pos + ",bufferEnd:" + bufferEnd.toFixed(3)); // only load if fragment is not loaded or if in audio switch + // we force a frag loading in audio switch as fragment tracker might not have evicted previous frags in case of quick audio switch + this.fragCurrent = frag; + if (audioSwitch || this.fragmentTracker.getState(frag) === FragmentState.NOT_LOADED) { + if (frag.sn !== 'initSegment') { + this.startFragRequested = true; + } + if (Object(number_isFinite["isFiniteNumber"])(frag.sn)) { + this.nextLoadPosition = frag.start + frag.duration; + } -/** - * @class AudioTrackController - * @implements {EventHandler} - * - * Handles main manifest and audio-track metadata loaded, - * owns and exposes the selectable audio-tracks data-models. - * - * Exposes internal interface to select available audio-tracks. - * - * Handles errors on loading audio-track playlists. Manages fallback mechanism - * with redundants tracks (group-IDs). - * - * Handles level-loading and group-ID switches for video (fallback on video levels), - * and eventually adapts the audio-track group-ID to match. - * - * @fires AUDIO_TRACK_LOADING - * @fires AUDIO_TRACK_SWITCHING - * @fires AUDIO_TRACKS_UPDATED - * @fires ERROR - * - */ + hls.trigger(events["default"].FRAG_LOADING, { + frag: frag + }); + this.state = State.FRAG_LOADING; + } + } + } + } -var audio_track_controller_AudioTrackController = -/*#__PURE__*/ -function (_TaskLoop) { - audio_track_controller_inheritsLoose(AudioTrackController, _TaskLoop); + break; - function AudioTrackController(hls) { - var _this; + case State.WAITING_TRACK: + track = this.tracks[this.trackId]; // check if playlist is already loaded - _this = _TaskLoop.call(this, hls, events["default"].MANIFEST_LOADING, events["default"].MANIFEST_PARSED, events["default"].AUDIO_TRACK_LOADED, events["default"].AUDIO_TRACK_SWITCHED, events["default"].LEVEL_LOADED, events["default"].ERROR) || this; - /** - * @private - * Currently selected index in `tracks` - * @member {number} trackId - */ + if (track && track.details) { + this.state = State.IDLE; + } - _this._trackId = -1; - /** - * @private - * If should select tracks according to default track attribute - * @member {boolean} _selectDefaultTrack - */ + break; - _this._selectDefaultTrack = true; - /** - * @public - * All tracks available - * @member {AudioTrack[]} - */ + case State.FRAG_LOADING_WAITING_RETRY: + var now = audio_stream_controller_performance.now(); + var retryDate = this.retryDate; + media = this.media; + var isSeeking = media && media.seeking; // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading - _this.tracks = []; - /** - * @public - * List of blacklisted audio track IDs (that have caused failure) - * @member {number[]} - */ + if (!retryDate || now >= retryDate || isSeeking) { + logger["logger"].log('audioStreamController: retryDate reached, switch back to IDLE state'); + this.state = State.IDLE; + } - _this.trackIdBlacklist = Object.create(null); - /** - * @public - * The currently running group ID for audio - * (we grab this on manifest-parsed and new level-loaded) - * @member {string} - */ + break; - _this.audioGroupId = null; - return _this; - } - /** - * Reset audio tracks on new manifest loading. - */ + case State.WAITING_INIT_PTS: + var videoTrackCC = this.videoTrackCC; + if (this.initPTS[videoTrackCC] === undefined) { + break; + } // Ensure we don't get stuck in the WAITING_INIT_PTS state if the waiting frag CC doesn't match any initPTS - var _proto = AudioTrackController.prototype; - _proto.onManifestLoading = function onManifestLoading() { - this.tracks = []; - this._trackId = -1; - this._selectDefaultTrack = true; - } - /** - * Store tracks data from manifest parsed data. - * - * Trigger AUDIO_TRACKS_UPDATED event. - * - * @param {*} data - */ - ; + var waitingFrag = this.waitingFragment; - _proto.onManifestParsed = function onManifestParsed(data) { - var tracks = this.tracks = data.audioTracks || []; - this.hls.trigger(events["default"].AUDIO_TRACKS_UPDATED, { - audioTracks: tracks - }); + if (waitingFrag) { + var waitingFragCC = waitingFrag.frag.cc; - this._selectAudioGroup(this.hls.nextLoadLevel); - } - /** - * Store track details of loaded track in our data-model. - * - * Set-up metadata update interval task for live-mode streams. - * - * @param {*} data - */ - ; + if (videoTrackCC !== waitingFragCC) { + track = this.tracks[this.trackId]; - _proto.onAudioTrackLoaded = function onAudioTrackLoaded(data) { - if (data.id >= this.tracks.length) { - logger["logger"].warn('Invalid audio track id:', data.id); - return; - } + if (track.details && track.details.live) { + logger["logger"].warn("Waiting fragment CC (" + waitingFragCC + ") does not match video track CC (" + videoTrackCC + ")"); + this.waitingFragment = null; + this.state = State.IDLE; + } + } else { + this.state = State.FRAG_LOADING; + this.onFragLoaded(this.waitingFragment); + this.waitingFragment = null; + } + } else { + this.state = State.IDLE; + } - logger["logger"].log("audioTrack " + data.id + " loaded"); - this.tracks[data.id].details = data.details; // check if current playlist is a live playlist - // and if we have already our reload interval setup + break; - if (data.details.live && !this.hasInterval()) { - // if live playlist we will have to reload it periodically - // set reload period to playlist target duration - var updatePeriodMs = data.details.targetduration * 1000; - this.setInterval(updatePeriodMs); - } + case State.STOPPED: + case State.FRAG_LOADING: + case State.PARSING: + case State.PARSED: + case State.ENDED: + break; - if (!data.details.live && this.hasInterval()) { - // playlist is not live and timer is scheduled: cancel it - this.clearInterval(); + default: + break; } - } - /** - * Update the internal group ID to any audio-track we may have set manually - * or because of a failure-handling fallback. - * - * Quality-levels should update to that group ID in this case. - * - * @param {*} data - */ - ; + }; - _proto.onAudioTrackSwitched = function onAudioTrackSwitched(data) { - var audioGroupId = this.tracks[data.id].groupId; + _proto.onMediaAttached = function onMediaAttached(data) { + var media = this.media = this.mediaBuffer = data.media; + this.onvseeking = this.onMediaSeeking.bind(this); + this.onvended = this.onMediaEnded.bind(this); + media.addEventListener('seeking', this.onvseeking); + media.addEventListener('ended', this.onvended); + var config = this.config; - if (audioGroupId && this.audioGroupId !== audioGroupId) { - this.audioGroupId = audioGroupId; + if (this.tracks && config.autoStartLoad) { + this.startLoad(config.startPosition); } - } - /** - * When a level gets loaded, if it has redundant audioGroupIds (in the same ordinality as it's redundant URLs) - * we are setting our audio-group ID internally to the one set, if it is different from the group ID currently set. - * - * If group-ID got update, we re-select the appropriate audio-track with this group-ID matching the currently - * selected one (based on NAME property). - * - * @param {*} data - */ - ; - - _proto.onLevelLoaded = function onLevelLoaded(data) { - this._selectAudioGroup(data.level); - } - /** - * Handle network errors loading audio track manifests - * and also pausing on any netwok errors. - * - * @param {ErrorEventData} data - */ - ; - - _proto.onError = function onError(data) { - // Only handle network errors - if (data.type !== errors["ErrorTypes"].NETWORK_ERROR) { - return; - } // If fatal network error, cancel update task + }; + _proto.onMediaDetaching = function onMediaDetaching() { + var media = this.media; - if (data.fatal) { - this.clearInterval(); - } // If not an audio-track loading error don't handle further + if (media && media.ended) { + logger["logger"].log('MSE detaching and video ended, reset startPosition'); + this.startPosition = this.lastCurrentTime = 0; + } // remove video listeners - if (data.details !== errors["ErrorDetails"].AUDIO_TRACK_LOAD_ERROR) { - return; + if (media) { + media.removeEventListener('seeking', this.onvseeking); + media.removeEventListener('ended', this.onvended); + this.onvseeking = this.onvseeked = this.onvended = null; } - logger["logger"].warn('Network failure on audio-track id:', data.context.id); - - this._handleLoadError(); - } - /** - * @type {AudioTrack[]} Audio-track list we own - */ - ; - - /** - * @private - * @param {number} newId - */ - _proto._setAudioTrack = function _setAudioTrack(newId) { - // noop on same audio track id as already set - if (this._trackId === newId && this.tracks[this._trackId].details) { - logger["logger"].debug('Same id as current audio-track passed, and track details available -> no-op'); - return; - } // check if level idx is valid + this.media = this.mediaBuffer = this.videoBuffer = null; + this.loadedmetadata = false; + this.fragmentTracker.removeAllFragments(); + this.stopLoad(); + }; + _proto.onAudioTracksUpdated = function onAudioTracksUpdated(data) { + logger["logger"].log('audio tracks updated'); + this.tracks = data.audioTracks; + }; - if (newId < 0 || newId >= this.tracks.length) { - logger["logger"].warn('Invalid id passed to audio-track controller'); - return; - } + _proto.onAudioTrackSwitching = function onAudioTrackSwitching(data) { + // if any URL found on new audio track, it is an alternate audio track + var altAudio = !!data.url; + this.trackId = data.id; + this.fragCurrent = null; + this.state = State.PAUSED; + this.waitingFragment = null; // destroy useless demuxer when switching audio to main - var audioTrack = this.tracks[newId]; - logger["logger"].log("Now switching to audio-track index " + newId); // stopping live reloading timer if any + if (!altAudio) { + if (this.demuxer) { + this.demuxer.destroy(); + this.demuxer = null; + } + } else { + // switching to audio track, start timer if not already started + this.setInterval(audio_stream_controller_TICK_INTERVAL); + } // should we switch tracks ? - this.clearInterval(); - this._trackId = newId; - var url = audioTrack.url, - type = audioTrack.type, - id = audioTrack.id; - this.hls.trigger(events["default"].AUDIO_TRACK_SWITCHING, { - id: id, - type: type, - url: url - }); - this._loadTrackDetailsIfNeeded(audioTrack); - } - /** - * @override - */ - ; + if (altAudio) { + this.audioSwitch = true; // main audio track are handled by stream-controller, just do something if switching to alt audio track - _proto.doTick = function doTick() { - this._updateTrack(this._trackId); - } - /** - * @param levelId - * @private - */ - ; + this.state = State.IDLE; + } - _proto._selectAudioGroup = function _selectAudioGroup(levelId) { - var levelInfo = this.hls.levels[levelId]; + this.tick(); + }; - if (!levelInfo || !levelInfo.audioGroupIds) { - return; - } + _proto.onAudioTrackLoaded = function onAudioTrackLoaded(data) { + var newDetails = data.details, + trackId = data.id, + track = this.tracks[trackId], + duration = newDetails.totalduration, + sliding = 0; + logger["logger"].log("track " + trackId + " loaded [" + newDetails.startSN + "," + newDetails.endSN + "],duration:" + duration); - var audioGroupId = levelInfo.audioGroupIds[levelInfo.urlId]; + if (newDetails.live) { + var curDetails = track.details; - if (this.audioGroupId !== audioGroupId) { - this.audioGroupId = audioGroupId; + if (curDetails && newDetails.fragments.length > 0) { + // we already have details for that level, merge them + mergeDetails(curDetails, newDetails); + sliding = newDetails.fragments[0].start; // TODO + // this.liveSyncPosition = this.computeLivePosition(sliding, curDetails); - this._selectInitialAudioTrack(); + if (newDetails.PTSKnown) { + logger["logger"].log("live audio playlist sliding:" + sliding.toFixed(3)); + } else { + logger["logger"].log('live audio playlist - outdated PTS, unknown sliding'); + } + } else { + newDetails.PTSKnown = false; + logger["logger"].log('live audio playlist - first load, unknown sliding'); + } + } else { + newDetails.PTSKnown = false; } - } - /** - * Select initial track - * @private - */ - ; - _proto._selectInitialAudioTrack = function _selectInitialAudioTrack() { - var _this2 = this; + track.details = newDetails; // compute start position - var tracks = this.tracks; + if (!this.startFragRequested) { + // compute start position if set to -1. use it straight away if value is defined + if (this.startPosition === -1) { + // first, check if start time offset has been set in playlist, if yes, use this value + var startTimeOffset = newDetails.startTimeOffset; - if (!tracks.length) { - return; - } + if (Object(number_isFinite["isFiniteNumber"])(startTimeOffset)) { + logger["logger"].log("start time offset found in playlist, adjust startPosition to " + startTimeOffset); + this.startPosition = startTimeOffset; + } else { + if (newDetails.live) { + this.startPosition = this.computeLivePosition(sliding, newDetails); + logger["logger"].log("compute startPosition for audio-track to " + this.startPosition); + } else { + this.startPosition = 0; + } + } + } - var currentAudioTrack = this.tracks[this._trackId]; - var name = null; + this.nextLoadPosition = this.startPosition; + } // only switch batck to IDLE state if we were waiting for track to start downloading a new fragment - if (currentAudioTrack) { - name = currentAudioTrack.name; - } // Pre-select default tracks if there are any + if (this.state === State.WAITING_TRACK) { + this.state = State.IDLE; + } // trigger handler right now - if (this._selectDefaultTrack) { - var defaultTracks = tracks.filter(function (track) { - return track.default; - }); - if (defaultTracks.length) { - tracks = defaultTracks; - } else { - logger["logger"].warn('No default audio tracks defined'); - } + this.tick(); + }; + + _proto.onKeyLoaded = function onKeyLoaded() { + if (this.state === State.KEY_LOADING) { + this.state = State.IDLE; + this.tick(); } + }; - var trackFound = false; + _proto.onFragLoaded = function onFragLoaded(data) { + var fragCurrent = this.fragCurrent, + fragLoaded = data.frag; - var traverseTracks = function traverseTracks() { - // Select track with right group ID - tracks.forEach(function (track) { - if (trackFound) { - return; - } // We need to match the (pre-)selected group ID - // and the NAME of the current track. + if (this.state === State.FRAG_LOADING && fragCurrent && fragLoaded.type === 'audio' && fragLoaded.level === fragCurrent.level && fragLoaded.sn === fragCurrent.sn) { + var track = this.tracks[this.trackId], + details = track.details, + duration = details.totalduration, + trackId = fragCurrent.level, + sn = fragCurrent.sn, + cc = fragCurrent.cc, + audioCodec = this.config.defaultAudioCodec || track.audioCodec || 'mp4a.40.2', + stats = this.stats = data.stats; + if (sn === 'initSegment') { + this.state = State.IDLE; + stats.tparsed = stats.tbuffered = audio_stream_controller_performance.now(); + details.initSegment.data = data.payload; + this.hls.trigger(events["default"].FRAG_BUFFERED, { + stats: stats, + frag: fragCurrent, + id: 'audio' + }); + this.tick(); + } else { + this.state = State.PARSING; // transmux the MPEG-TS data to ISO-BMFF segments - if ((!_this2.audioGroupId || track.groupId === _this2.audioGroupId) && (!name || name === track.name)) { - // If there was a previous track try to stay with the same `NAME`. - // It should be unique across tracks of same group, and consistent through redundant track groups. - _this2._setAudioTrack(track.id); + this.appended = false; - trackFound = true; - } - }); - }; + if (!this.demuxer) { + this.demuxer = new demux_demuxer(this.hls, 'audio'); + } // Check if we have video initPTS + // If not we need to wait for it - traverseTracks(); - if (!trackFound) { - name = null; - traverseTracks(); - } + var initPTS = this.initPTS[cc]; + var initSegmentData = details.initSegment ? details.initSegment.data : []; - if (!trackFound) { - logger["logger"].error("No track found for running audio group-ID: " + this.audioGroupId); - this.hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].MEDIA_ERROR, - details: errors["ErrorDetails"].AUDIO_TRACK_LOAD_ERROR, - fatal: true - }); - } - } - /** - * @private - * @param {AudioTrack} audioTrack - * @returns {boolean} - */ - ; + if (details.initSegment || initPTS !== undefined) { + this.pendingBuffering = true; + logger["logger"].log("Demuxing " + sn + " of [" + details.startSN + " ," + details.endSN + "],track " + trackId); // time Offset is accurate if level PTS is known, or if playlist is not sliding (not live) - _proto._needsTrackLoading = function _needsTrackLoading(audioTrack) { - var details = audioTrack.details, - url = audioTrack.url; + var accurateTimeOffset = false; // details.PTSKnown || !details.live; - if (!details || details.live) { - // check if we face an audio track embedded in main playlist (audio track without URI attribute) - return !!url; + this.demuxer.push(data.payload, initSegmentData, audioCodec, null, fragCurrent, duration, accurateTimeOffset, initPTS); + } else { + logger["logger"].log("unknown video PTS for continuity counter " + cc + ", waiting for video PTS before demuxing audio frag " + sn + " of [" + details.startSN + " ," + details.endSN + "],track " + trackId); + this.waitingFragment = data; + this.state = State.WAITING_INIT_PTS; + } + } } - return false; - } - /** - * @private - * @param {AudioTrack} audioTrack - */ - ; - - _proto._loadTrackDetailsIfNeeded = function _loadTrackDetailsIfNeeded(audioTrack) { - if (this._needsTrackLoading(audioTrack)) { - var url = audioTrack.url, - id = audioTrack.id; // track not retrieved yet, or live playlist we need to (re)load it + this.fragLoadError = 0; + }; - logger["logger"].log("loading audio-track playlist for id: " + id); - this.hls.trigger(events["default"].AUDIO_TRACK_LOADING, { - url: url, - id: id - }); - } - } - /** - * @private - * @param {number} newId - */ - ; + _proto.onFragParsingInitSegment = function onFragParsingInitSegment(data) { + var fragCurrent = this.fragCurrent; + var fragNew = data.frag; - _proto._updateTrack = function _updateTrack(newId) { - // check if level idx is valid - if (newId < 0 || newId >= this.tracks.length) { - return; - } // stopping live reloading timer if any + if (fragCurrent && data.id === 'audio' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === State.PARSING) { + var tracks = data.tracks, + track; // delete any video track found on audio demuxer + if (tracks.video) { + delete tracks.video; + } // include levelCodec in audio and video tracks - this.clearInterval(); - this._trackId = newId; - logger["logger"].log("trying to update audio-track " + newId); - var audioTrack = this.tracks[newId]; - this._loadTrackDetailsIfNeeded(audioTrack); - } - /** - * @private - */ - ; + track = tracks.audio; - _proto._handleLoadError = function _handleLoadError() { - // First, let's black list current track id - this.trackIdBlacklist[this._trackId] = true; // Let's try to fall back on a functional audio-track with the same group ID + if (track) { + track.levelCodec = track.codec; + track.id = data.id; + this.hls.trigger(events["default"].BUFFER_CODECS, tracks); + logger["logger"].log("audio track:audio,container:" + track.container + ",codecs[level/parsed]=[" + track.levelCodec + "/" + track.codec + "]"); + var initSegment = track.initSegment; - var previousId = this._trackId; - var _this$tracks$previous = this.tracks[previousId], - name = _this$tracks$previous.name, - language = _this$tracks$previous.language, - groupId = _this$tracks$previous.groupId; - logger["logger"].warn("Loading failed on audio track id: " + previousId + ", group-id: " + groupId + ", name/language: \"" + name + "\" / \"" + language + "\""); // Find a non-blacklisted track ID with the same NAME - // At least a track that is not blacklisted, thus on another group-ID. + if (initSegment) { + var appendObj = { + type: 'audio', + data: initSegment, + parent: 'audio', + content: 'initSegment' + }; - var newId = previousId; + if (this.audioSwitch) { + this.pendingData = [appendObj]; + } else { + this.appended = true; // arm pending Buffering flag before appending a segment - for (var i = 0; i < this.tracks.length; i++) { - if (this.trackIdBlacklist[i]) { - continue; - } + this.pendingBuffering = true; + this.hls.trigger(events["default"].BUFFER_APPENDING, appendObj); + } + } // trigger handler right now - var newTrack = this.tracks[i]; - if (newTrack.name === name) { - newId = i; - break; + this.tick(); } } + }; - if (newId === previousId) { - logger["logger"].warn("No fallback audio-track found for name/language: \"" + name + "\" / \"" + language + "\""); - return; - } + _proto.onFragParsingData = function onFragParsingData(data) { + var _this2 = this; - logger["logger"].log('Attempting audio-track fallback id:', newId, 'group-id:', this.tracks[newId].groupId); + var fragCurrent = this.fragCurrent; + var fragNew = data.frag; - this._setAudioTrack(newId); - }; + if (fragCurrent && data.id === 'audio' && data.type === 'audio' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === State.PARSING) { + var trackId = this.trackId, + track = this.tracks[trackId], + hls = this.hls; - audio_track_controller_createClass(AudioTrackController, [{ - key: "audioTracks", - get: function get() { - return this.tracks; - } - /** - * @type {number} Index into audio-tracks list of currently selected track. - */ + if (!Object(number_isFinite["isFiniteNumber"])(data.endPTS)) { + data.endPTS = data.startPTS + fragCurrent.duration; + data.endDTS = data.startDTS + fragCurrent.duration; + } - }, { - key: "audioTrack", - get: function get() { - return this._trackId; - } - /** - * Select current track by index - */ - , - set: function set(newId) { - this._setAudioTrack(newId); // If audio track is selected from API then don't choose from the manifest default track + fragCurrent.addElementaryStream(ElementaryStreamTypes.AUDIO); + logger["logger"].log("parsed " + data.type + ",PTS:[" + data.startPTS.toFixed(3) + "," + data.endPTS.toFixed(3) + "],DTS:[" + data.startDTS.toFixed(3) + "/" + data.endDTS.toFixed(3) + "],nb:" + data.nb); + updateFragPTSDTS(track.details, fragCurrent, data.startPTS, data.endPTS); + var audioSwitch = this.audioSwitch, + media = this.media, + appendOnBufferFlush = false; // Only flush audio from old audio tracks when PTS is known on new audio track + if (audioSwitch) { + if (media && media.readyState) { + var currentTime = media.currentTime; + logger["logger"].log('switching audio track : currentTime:' + currentTime); - this._selectDefaultTrack = false; - } - }]); + if (currentTime >= data.startPTS) { + logger["logger"].log('switching audio track : flushing all audio'); + this.state = State.BUFFER_FLUSHING; + hls.trigger(events["default"].BUFFER_FLUSHING, { + startOffset: 0, + endOffset: Number.POSITIVE_INFINITY, + type: 'audio' + }); + appendOnBufferFlush = true; // Lets announce that the initial audio track switch flush occur - return AudioTrackController; -}(TaskLoop); + this.audioSwitch = false; + hls.trigger(events["default"].AUDIO_TRACK_SWITCHED, { + id: trackId + }); + } + } else { + // Lets announce that the initial audio track switch flush occur + this.audioSwitch = false; + hls.trigger(events["default"].AUDIO_TRACK_SWITCHED, { + id: trackId + }); + } + } -/* harmony default export */ var audio_track_controller = (audio_track_controller_AudioTrackController); -// CONCATENATED MODULE: ./src/controller/audio-stream-controller.js + var pendingData = this.pendingData; + if (!pendingData) { + logger["logger"].warn('Apparently attempt to enqueue media payload without codec initialization data upfront'); + hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].MEDIA_ERROR, + details: null, + fatal: true + }); + return; + } + if (!this.audioSwitch) { + [data.data1, data.data2].forEach(function (buffer) { + if (buffer && buffer.length) { + pendingData.push({ + type: data.type, + data: buffer, + parent: 'audio', + content: 'data' + }); + } + }); + if (!appendOnBufferFlush && pendingData.length) { + pendingData.forEach(function (appendObj) { + // only append in PARSING state (rationale is that an appending error could happen synchronously on first segment appending) + // in that case it is useless to append following segments + if (_this2.state === State.PARSING) { + // arm pending Buffering flag before appending a segment + _this2.pendingBuffering = true; -function audio_stream_controller_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } + _this2.hls.trigger(events["default"].BUFFER_APPENDING, appendObj); + } + }); + this.pendingData = []; + this.appended = true; + } + } // trigger handler right now -function audio_stream_controller_createClass(Constructor, protoProps, staticProps) { if (protoProps) audio_stream_controller_defineProperties(Constructor.prototype, protoProps); if (staticProps) audio_stream_controller_defineProperties(Constructor, staticProps); return Constructor; } -function audio_stream_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } + this.tick(); + } + }; -/* - * Audio Stream Controller -*/ + _proto.onFragParsed = function onFragParsed(data) { + var fragCurrent = this.fragCurrent; + var fragNew = data.frag; + if (fragCurrent && data.id === 'audio' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === State.PARSING) { + this.stats.tparsed = audio_stream_controller_performance.now(); + this.state = State.PARSED; + this._checkAppendedParsed(); + } + }; + _proto.onBufferReset = function onBufferReset() { + // reset reference to sourcebuffers + this.mediaBuffer = this.videoBuffer = null; + this.loadedmetadata = false; + }; + _proto.onBufferCreated = function onBufferCreated(data) { + var audioTrack = data.tracks.audio; + if (audioTrack) { + this.mediaBuffer = audioTrack.buffer; + this.loadedmetadata = true; + } + if (data.tracks.video) { + this.videoBuffer = data.tracks.video.buffer; + } + }; + _proto.onBufferAppended = function onBufferAppended(data) { + if (data.parent === 'audio') { + var state = this.state; + if (state === State.PARSING || state === State.PARSED) { + // check if all buffers have been appended + this.pendingBuffering = data.pending > 0; + this._checkAppendedParsed(); + } + } + }; + _proto._checkAppendedParsed = function _checkAppendedParsed() { + // trigger handler right now + if (this.state === State.PARSED && (!this.appended || !this.pendingBuffering)) { + var frag = this.fragCurrent, + stats = this.stats, + hls = this.hls; + if (frag) { + this.fragPrevious = frag; + stats.tbuffered = audio_stream_controller_performance.now(); + hls.trigger(events["default"].FRAG_BUFFERED, { + stats: stats, + frag: frag, + id: 'audio' + }); + var media = this.mediaBuffer ? this.mediaBuffer : this.media; -var audio_stream_controller_window = window, - audio_stream_controller_performance = audio_stream_controller_window.performance; -var audio_stream_controller_TICK_INTERVAL = 100; // how often to tick in ms + if (media) { + logger["logger"].log("audio buffered : " + time_ranges.toString(media.buffered)); + } -var audio_stream_controller_AudioStreamController = -/*#__PURE__*/ -function (_BaseStreamController) { - audio_stream_controller_inheritsLoose(AudioStreamController, _BaseStreamController); - - function AudioStreamController(hls, fragmentTracker) { - var _this; - - _this = _BaseStreamController.call(this, hls, events["default"].MEDIA_ATTACHED, events["default"].MEDIA_DETACHING, events["default"].AUDIO_TRACKS_UPDATED, events["default"].AUDIO_TRACK_SWITCHING, events["default"].AUDIO_TRACK_LOADED, events["default"].KEY_LOADED, events["default"].FRAG_LOADED, events["default"].FRAG_PARSING_INIT_SEGMENT, events["default"].FRAG_PARSING_DATA, events["default"].FRAG_PARSED, events["default"].ERROR, events["default"].BUFFER_RESET, events["default"].BUFFER_CREATED, events["default"].BUFFER_APPENDED, events["default"].BUFFER_FLUSHED, events["default"].INIT_PTS_FOUND) || this; - _this.fragmentTracker = fragmentTracker; - _this.config = hls.config; - _this.audioCodecSwap = false; - _this._state = State.STOPPED; - _this.initPTS = []; - _this.waitingFragment = null; - _this.videoTrackCC = null; - return _this; - } // Signal that video PTS was found - - - var _proto = AudioStreamController.prototype; - - _proto.onInitPtsFound = function onInitPtsFound(data) { - var demuxerId = data.id, - cc = data.frag.cc, - initPTS = data.initPTS; - - if (demuxerId === 'main') { - // Always update the new INIT PTS - // Can change due level switch - this.initPTS[cc] = initPTS; - this.videoTrackCC = cc; - logger["logger"].log("InitPTS for cc: " + cc + " found from video track: " + initPTS); // If we are waiting we need to demux/remux the waiting frag - // With the new initPTS - - if (this.state === State.WAITING_INIT_PTS) { - this.tick(); - } - } - }; - - _proto.startLoad = function startLoad(startPosition) { - if (this.tracks) { - var lastCurrentTime = this.lastCurrentTime; - this.stopLoad(); - this.setInterval(audio_stream_controller_TICK_INTERVAL); - this.fragLoadError = 0; + if (this.audioSwitch && this.appended) { + this.audioSwitch = false; + hls.trigger(events["default"].AUDIO_TRACK_SWITCHED, { + id: this.trackId + }); + } - if (lastCurrentTime > 0 && startPosition === -1) { - logger["logger"].log("audio:override startPosition with lastCurrentTime @" + lastCurrentTime.toFixed(3)); this.state = State.IDLE; - } else { - this.lastCurrentTime = this.startPosition ? this.startPosition : startPosition; - this.state = State.STARTING; } - this.nextLoadPosition = this.startPosition = this.lastCurrentTime; this.tick(); - } else { - this.startPosition = startPosition; - this.state = State.STOPPED; } }; - _proto.doTick = function doTick() { - var pos, - track, - trackDetails, - hls = this.hls, - config = hls.config; // logger.log('audioStream:' + this.state); - - switch (this.state) { - case State.ERROR: // don't do anything in error state to avoid breaking further ... + _proto.onError = function onError(data) { + var frag = data.frag; // don't handle frag error not related to audio fragment - case State.PAUSED: // don't do anything in paused state either ... + if (frag && frag.type !== 'audio') { + return; + } - case State.BUFFER_FLUSHING: - break; + switch (data.details) { + case errors["ErrorDetails"].FRAG_LOAD_ERROR: + case errors["ErrorDetails"].FRAG_LOAD_TIMEOUT: + var _frag = data.frag; // don't handle frag error not related to audio fragment - case State.STARTING: - this.state = State.WAITING_TRACK; - this.loadedmetadata = false; - break; + if (_frag && _frag.type !== 'audio') { + break; + } - case State.IDLE: - var tracks = this.tracks; // audio tracks not received => exit loop + if (!data.fatal) { + var loadError = this.fragLoadError; - if (!tracks) { - break; - } // if video not attached AND - // start fragment already requested OR start frag prefetch disable - // exit loop - // => if media not attached but start frag prefetch is enabled and start frag not requested yet, we will not exit loop + if (loadError) { + loadError++; + } else { + loadError = 1; + } + var config = this.config; - if (!this.media && (this.startFragRequested || !config.startFragPrefetch)) { - break; - } // determine next candidate fragment to be loaded, based on current position and - // end of buffer position - // if we have not yet loaded any fragment, start loading from start position + if (loadError <= config.fragLoadingMaxRetry) { + this.fragLoadError = loadError; // exponential backoff capped to config.fragLoadingMaxRetryTimeout + var delay = Math.min(Math.pow(2, loadError - 1) * config.fragLoadingRetryDelay, config.fragLoadingMaxRetryTimeout); + logger["logger"].warn("AudioStreamController: frag loading failed, retry in " + delay + " ms"); + this.retryDate = audio_stream_controller_performance.now() + delay; // retry loading state - if (this.loadedmetadata) { - pos = this.media.currentTime; - } else { - pos = this.nextLoadPosition; + this.state = State.FRAG_LOADING_WAITING_RETRY; + } else { + logger["logger"].error("AudioStreamController: " + data.details + " reaches max retry, redispatch as fatal ..."); // switch error to fatal - if (pos === undefined) { - break; + data.fatal = true; + this.state = State.ERROR; } } - var media = this.mediaBuffer ? this.mediaBuffer : this.media, - videoBuffer = this.videoBuffer ? this.videoBuffer : this.media, - bufferInfo = BufferHelper.bufferInfo(media, pos, config.maxBufferHole), - mainBufferInfo = BufferHelper.bufferInfo(videoBuffer, pos, config.maxBufferHole), - bufferLen = bufferInfo.len, - bufferEnd = bufferInfo.end, - fragPrevious = this.fragPrevious, - // ensure we buffer at least config.maxBufferLength (default 30s) or config.maxMaxBufferLength (default: 600s) - // whichever is smaller. - // once we reach that threshold, don't buffer more than video (mainBufferInfo.len) - maxConfigBuffer = Math.min(config.maxBufferLength, config.maxMaxBufferLength), - maxBufLen = Math.max(maxConfigBuffer, mainBufferInfo.len), - audioSwitch = this.audioSwitch, - trackId = this.trackId; // if buffer length is less than maxBufLen try to load a new fragment + break; - if ((bufferLen < maxBufLen || audioSwitch) && trackId < tracks.length) { - trackDetails = tracks[trackId].details; // if track info not retrieved yet, switch state and wait for track retrieval + case errors["ErrorDetails"].AUDIO_TRACK_LOAD_ERROR: + case errors["ErrorDetails"].AUDIO_TRACK_LOAD_TIMEOUT: + case errors["ErrorDetails"].KEY_LOAD_ERROR: + case errors["ErrorDetails"].KEY_LOAD_TIMEOUT: + // when in ERROR state, don't switch back to IDLE state in case a non-fatal error is received + if (this.state !== State.ERROR) { + // if fatal error, stop processing, otherwise move to IDLE to retry loading + this.state = data.fatal ? State.ERROR : State.IDLE; + logger["logger"].warn("AudioStreamController: " + data.details + " while loading frag, now switching to " + this.state + " state ..."); + } - if (typeof trackDetails === 'undefined') { - this.state = State.WAITING_TRACK; - break; - } + break; - if (!audioSwitch && this._streamEnded(bufferInfo, trackDetails)) { - this.hls.trigger(events["default"].BUFFER_EOS, { - type: 'audio' - }); - this.state = State.ENDED; - return; - } // find fragment index, contiguous with end of buffer position + case errors["ErrorDetails"].BUFFER_FULL_ERROR: + // if in appending state + if (data.parent === 'audio' && (this.state === State.PARSING || this.state === State.PARSED)) { + var media = this.mediaBuffer, + currentTime = this.media.currentTime, + mediaBuffered = media && BufferHelper.isBuffered(media, currentTime) && BufferHelper.isBuffered(media, currentTime + 0.5); // reduce max buf len if current position is buffered + if (mediaBuffered) { + var _config = this.config; - var fragments = trackDetails.fragments, - fragLen = fragments.length, - start = fragments[0].start, - end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration, - frag; // When switching audio track, reload audio as close as possible to currentTime + if (_config.maxMaxBufferLength >= _config.maxBufferLength) { + // reduce max buffer length as it might be too high. we do this to avoid loop flushing ... + _config.maxMaxBufferLength /= 2; + logger["logger"].warn("AudioStreamController: reduce max buffer length to " + _config.maxMaxBufferLength + "s"); + } - if (audioSwitch) { - if (trackDetails.live && !trackDetails.PTSKnown) { - logger["logger"].log('switching audiotrack, live stream, unknown PTS,load first fragment'); - bufferEnd = 0; - } else { - bufferEnd = pos; // if currentTime (pos) is less than alt audio playlist start time, it means that alt audio is ahead of currentTime + this.state = State.IDLE; + } else { + // current position is not buffered, but browser is still complaining about buffer full error + // this happens on IE/Edge, refer to https://github.com/video-dev/hls.js/pull/708 + // in that case flush the whole audio buffer to recover + logger["logger"].warn('AudioStreamController: buffer full error also media.currentTime is not buffered, flush audio buffer'); + this.fragCurrent = null; // flush everything - if (trackDetails.PTSKnown && pos < start) { - // if everything is buffered from pos to start or if audio buffer upfront, let's seek to start - if (bufferInfo.end > start || bufferInfo.nextStart) { - logger["logger"].log('alt audio track ahead of main track, seek to start of alt audio track'); - this.media.currentTime = start + 0.05; - } else { - return; - } - } - } + this.state = State.BUFFER_FLUSHING; + this.hls.trigger(events["default"].BUFFER_FLUSHING, { + startOffset: 0, + endOffset: Number.POSITIVE_INFINITY, + type: 'audio' + }); } + } - if (trackDetails.initSegment && !trackDetails.initSegment.data) { - frag = trackDetails.initSegment; - } // eslint-disable-line brace-style - // if bufferEnd before start of playlist, load first fragment - else if (bufferEnd <= start) { - frag = fragments[0]; + break; - if (this.videoTrackCC !== null && frag.cc !== this.videoTrackCC) { - // Ensure we find a fragment which matches the continuity of the video track - frag = findFragWithCC(fragments, this.videoTrackCC); - } + default: + break; + } + }; - if (trackDetails.live && frag.loadIdx && frag.loadIdx === this.fragLoadIdx) { - // we just loaded this first fragment, and we are still lagging behind the start of the live playlist - // let's force seek to start - var nextBuffered = bufferInfo.nextStart ? bufferInfo.nextStart : start; - logger["logger"].log("no alt audio available @currentTime:" + this.media.currentTime + ", seeking @" + (nextBuffered + 0.05)); - this.media.currentTime = nextBuffered + 0.05; - return; - } - } else { - var foundFrag; - var maxFragLookUpTolerance = config.maxFragLookUpTolerance; - var fragNext = fragPrevious ? fragments[fragPrevious.sn - fragments[0].sn + 1] : undefined; + _proto.onBufferFlushed = function onBufferFlushed() { + var _this3 = this; - var fragmentWithinToleranceTest = function fragmentWithinToleranceTest(candidate) { - // offset should be within fragment boundary - config.maxFragLookUpTolerance - // this is to cope with situations like - // bufferEnd = 9.991 - // frag[Ø] : [0,10] - // frag[1] : [10,20] - // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here - // frag start frag start+duration - // |-----------------------------| - // <---> <---> - // ...--------><-----------------------------><---------.... - // previous frag matching fragment next frag - // return -1 return 0 return 1 - // logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`); - // Set the lookup tolerance to be small enough to detect the current segment - ensures we don't skip over very small segments - var candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration); - - if (candidate.start + candidate.duration - candidateLookupTolerance <= bufferEnd) { - return 1; - } else if (candidate.start - candidateLookupTolerance > bufferEnd && candidate.start) { - // if maxFragLookUpTolerance will have negative value then don't return -1 for first element - return -1; - } + var pendingData = this.pendingData; - return 0; - }; + if (pendingData && pendingData.length) { + logger["logger"].log('AudioStreamController: appending pending audio data after buffer flushed'); + pendingData.forEach(function (appendObj) { + _this3.hls.trigger(events["default"].BUFFER_APPENDING, appendObj); + }); + this.appended = true; + this.pendingData = []; + this.state = State.PARSED; + } else { + // move to IDLE once flush complete. this should trigger new fragment loading + this.state = State.IDLE; // reset reference to frag - if (bufferEnd < end) { - if (bufferEnd > end - maxFragLookUpTolerance) { - maxFragLookUpTolerance = 0; - } // Prefer the next fragment if it's within tolerance + this.fragPrevious = null; + this.tick(); + } + }; + audio_stream_controller_createClass(AudioStreamController, [{ + key: "state", + set: function set(nextState) { + if (this.state !== nextState) { + var previousState = this.state; + this._state = nextState; + logger["logger"].log("audio stream:" + previousState + "->" + nextState); + } + }, + get: function get() { + return this._state; + } + }]); - if (fragNext && !fragmentWithinToleranceTest(fragNext)) { - foundFrag = fragNext; - } else { - foundFrag = binary_search.search(fragments, fragmentWithinToleranceTest); - } - } else { - // reach end of playlist - foundFrag = fragments[fragLen - 1]; - } + return AudioStreamController; +}(base_stream_controller_BaseStreamController); - if (foundFrag) { - frag = foundFrag; - start = foundFrag.start; // logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn); +/* harmony default export */ var audio_stream_controller = (audio_stream_controller_AudioStreamController); +// CONCATENATED MODULE: ./src/utils/vttcue.js +/** + * Copyright 2013 vtt.js Contributors + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +/* harmony default export */ var vttcue = ((function () { + if (typeof window !== 'undefined' && window.VTTCue) { + return window.VTTCue; + } - if (fragPrevious && frag.level === fragPrevious.level && frag.sn === fragPrevious.sn) { - if (frag.sn < trackDetails.endSN) { - frag = fragments[frag.sn + 1 - trackDetails.startSN]; - logger["logger"].log("SN just loaded, load next one: " + frag.sn); - } else { - frag = null; - } - } - } - } + var autoKeyword = 'auto'; + var directionSetting = { + '': true, + lr: true, + rl: true + }; + var alignSetting = { + start: true, + middle: true, + end: true, + left: true, + right: true + }; - if (frag) { - // logger.log(' loading frag ' + i +',pos/bufEnd:' + pos.toFixed(3) + '/' + bufferEnd.toFixed(3)); - if (frag.encrypted) { - logger["logger"].log("Loading key for " + frag.sn + " of [" + trackDetails.startSN + " ," + trackDetails.endSN + "],track " + trackId); - this.state = State.KEY_LOADING; - hls.trigger(events["default"].KEY_LOADING, { - frag: frag - }); - } else { - logger["logger"].log("Loading " + frag.sn + ", cc: " + frag.cc + " of [" + trackDetails.startSN + " ," + trackDetails.endSN + "],track " + trackId + ", currentTime:" + pos + ",bufferEnd:" + bufferEnd.toFixed(3)); // only load if fragment is not loaded or if in audio switch - // we force a frag loading in audio switch as fragment tracker might not have evicted previous frags in case of quick audio switch + function findDirectionSetting(value) { + if (typeof value !== 'string') { + return false; + } - this.fragCurrent = frag; + var dir = directionSetting[value.toLowerCase()]; + return dir ? value.toLowerCase() : false; + } - if (audioSwitch || this.fragmentTracker.getState(frag) === FragmentState.NOT_LOADED) { - if (frag.sn !== 'initSegment') { - this.startFragRequested = true; - } + function findAlignSetting(value) { + if (typeof value !== 'string') { + return false; + } - if (Object(number_isFinite["isFiniteNumber"])(frag.sn)) { - this.nextLoadPosition = frag.start + frag.duration; - } + var align = alignSetting[value.toLowerCase()]; + return align ? value.toLowerCase() : false; + } - hls.trigger(events["default"].FRAG_LOADING, { - frag: frag - }); - this.state = State.FRAG_LOADING; - } - } - } - } + function extend(obj) { + var i = 1; - break; + for (; i < arguments.length; i++) { + var cobj = arguments[i]; - case State.WAITING_TRACK: - track = this.tracks[this.trackId]; // check if playlist is already loaded + for (var p in cobj) { + obj[p] = cobj[p]; + } + } - if (track && track.details) { - this.state = State.IDLE; - } + return obj; + } - break; + function VTTCue(startTime, endTime, text) { + var cue = this; + var baseObj = {}; + baseObj.enumerable = true; + /** + * Shim implementation specific properties. These properties are not in + * the spec. + */ + // Lets us know when the VTTCue's data has changed in such a way that we need + // to recompute its display state. This lets us compute its display state + // lazily. - case State.FRAG_LOADING_WAITING_RETRY: - var now = audio_stream_controller_performance.now(); - var retryDate = this.retryDate; - media = this.media; - var isSeeking = media && media.seeking; // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading + cue.hasBeenReset = false; + /** + * VTTCue and TextTrackCue properties + * http://dev.w3.org/html5/webvtt/#vttcue-interface + */ - if (!retryDate || now >= retryDate || isSeeking) { - logger["logger"].log('audioStreamController: retryDate reached, switch back to IDLE state'); - this.state = State.IDLE; + var _id = ''; + var _pauseOnExit = false; + var _startTime = startTime; + var _endTime = endTime; + var _text = text; + var _region = null; + var _vertical = ''; + var _snapToLines = true; + var _line = 'auto'; + var _lineAlign = 'start'; + var _position = 50; + var _positionAlign = 'middle'; + var _size = 50; + var _align = 'middle'; + Object.defineProperty(cue, 'id', extend({}, baseObj, { + get: function get() { + return _id; + }, + set: function set(value) { + _id = '' + value; + } + })); + Object.defineProperty(cue, 'pauseOnExit', extend({}, baseObj, { + get: function get() { + return _pauseOnExit; + }, + set: function set(value) { + _pauseOnExit = !!value; + } + })); + Object.defineProperty(cue, 'startTime', extend({}, baseObj, { + get: function get() { + return _startTime; + }, + set: function set(value) { + if (typeof value !== 'number') { + throw new TypeError('Start time must be set to a number.'); } - break; - - case State.WAITING_INIT_PTS: - var videoTrackCC = this.videoTrackCC; - - if (this.initPTS[videoTrackCC] === undefined) { - break; - } // Ensure we don't get stuck in the WAITING_INIT_PTS state if the waiting frag CC doesn't match any initPTS - - - var waitingFrag = this.waitingFragment; - - if (waitingFrag) { - var waitingFragCC = waitingFrag.frag.cc; - - if (videoTrackCC !== waitingFragCC) { - track = this.tracks[this.trackId]; + _startTime = value; + this.hasBeenReset = true; + } + })); + Object.defineProperty(cue, 'endTime', extend({}, baseObj, { + get: function get() { + return _endTime; + }, + set: function set(value) { + if (typeof value !== 'number') { + throw new TypeError('End time must be set to a number.'); + } - if (track.details && track.details.live) { - logger["logger"].warn("Waiting fragment CC (" + waitingFragCC + ") does not match video track CC (" + videoTrackCC + ")"); - this.waitingFragment = null; - this.state = State.IDLE; - } - } else { - this.state = State.FRAG_LOADING; - this.onFragLoaded(this.waitingFragment); - this.waitingFragment = null; - } - } else { - this.state = State.IDLE; - } - - break; - - case State.STOPPED: - case State.FRAG_LOADING: - case State.PARSING: - case State.PARSED: - case State.ENDED: - break; + _endTime = value; + this.hasBeenReset = true; + } + })); + Object.defineProperty(cue, 'text', extend({}, baseObj, { + get: function get() { + return _text; + }, + set: function set(value) { + _text = '' + value; + this.hasBeenReset = true; + } + })); + Object.defineProperty(cue, 'region', extend({}, baseObj, { + get: function get() { + return _region; + }, + set: function set(value) { + _region = value; + this.hasBeenReset = true; + } + })); + Object.defineProperty(cue, 'vertical', extend({}, baseObj, { + get: function get() { + return _vertical; + }, + set: function set(value) { + var setting = findDirectionSetting(value); // Have to check for false because the setting an be an empty string. - default: - break; - } - }; + if (setting === false) { + throw new SyntaxError('An invalid or illegal string was specified.'); + } - _proto.onMediaAttached = function onMediaAttached(data) { - var media = this.media = this.mediaBuffer = data.media; - this.onvseeking = this.onMediaSeeking.bind(this); - this.onvended = this.onMediaEnded.bind(this); - media.addEventListener('seeking', this.onvseeking); - media.addEventListener('ended', this.onvended); - var config = this.config; + _vertical = setting; + this.hasBeenReset = true; + } + })); + Object.defineProperty(cue, 'snapToLines', extend({}, baseObj, { + get: function get() { + return _snapToLines; + }, + set: function set(value) { + _snapToLines = !!value; + this.hasBeenReset = true; + } + })); + Object.defineProperty(cue, 'line', extend({}, baseObj, { + get: function get() { + return _line; + }, + set: function set(value) { + if (typeof value !== 'number' && value !== autoKeyword) { + throw new SyntaxError('An invalid number or illegal string was specified.'); + } - if (this.tracks && config.autoStartLoad) { - this.startLoad(config.startPosition); - } - }; + _line = value; + this.hasBeenReset = true; + } + })); + Object.defineProperty(cue, 'lineAlign', extend({}, baseObj, { + get: function get() { + return _lineAlign; + }, + set: function set(value) { + var setting = findAlignSetting(value); - _proto.onMediaDetaching = function onMediaDetaching() { - var media = this.media; + if (!setting) { + throw new SyntaxError('An invalid or illegal string was specified.'); + } - if (media && media.ended) { - logger["logger"].log('MSE detaching and video ended, reset startPosition'); - this.startPosition = this.lastCurrentTime = 0; - } // remove video listeners + _lineAlign = setting; + this.hasBeenReset = true; + } + })); + Object.defineProperty(cue, 'position', extend({}, baseObj, { + get: function get() { + return _position; + }, + set: function set(value) { + if (value < 0 || value > 100) { + throw new Error('Position must be between 0 and 100.'); + } + _position = value; + this.hasBeenReset = true; + } + })); + Object.defineProperty(cue, 'positionAlign', extend({}, baseObj, { + get: function get() { + return _positionAlign; + }, + set: function set(value) { + var setting = findAlignSetting(value); - if (media) { - media.removeEventListener('seeking', this.onvseeking); - media.removeEventListener('ended', this.onvended); - this.onvseeking = this.onvseeked = this.onvended = null; - } + if (!setting) { + throw new SyntaxError('An invalid or illegal string was specified.'); + } - this.media = this.mediaBuffer = this.videoBuffer = null; - this.loadedmetadata = false; - this.fragmentTracker.removeAllFragments(); - this.stopLoad(); - }; + _positionAlign = setting; + this.hasBeenReset = true; + } + })); + Object.defineProperty(cue, 'size', extend({}, baseObj, { + get: function get() { + return _size; + }, + set: function set(value) { + if (value < 0 || value > 100) { + throw new Error('Size must be between 0 and 100.'); + } - _proto.onAudioTracksUpdated = function onAudioTracksUpdated(data) { - logger["logger"].log('audio tracks updated'); - this.tracks = data.audioTracks; - }; + _size = value; + this.hasBeenReset = true; + } + })); + Object.defineProperty(cue, 'align', extend({}, baseObj, { + get: function get() { + return _align; + }, + set: function set(value) { + var setting = findAlignSetting(value); - _proto.onAudioTrackSwitching = function onAudioTrackSwitching(data) { - // if any URL found on new audio track, it is an alternate audio track - var altAudio = !!data.url; - this.trackId = data.id; - this.fragCurrent = null; - this.state = State.PAUSED; - this.waitingFragment = null; // destroy useless demuxer when switching audio to main + if (!setting) { + throw new SyntaxError('An invalid or illegal string was specified.'); + } - if (!altAudio) { - if (this.demuxer) { - this.demuxer.destroy(); - this.demuxer = null; + _align = setting; + this.hasBeenReset = true; } - } else { - // switching to audio track, start timer if not already started - this.setInterval(audio_stream_controller_TICK_INTERVAL); - } // should we switch tracks ? - + })); + /** + * Other <track> spec defined properties + */ + // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#text-track-cue-display-state - if (altAudio) { - this.audioSwitch = true; // main audio track are handled by stream-controller, just do something if switching to alt audio track + cue.displayState = void 0; + } + /** + * VTTCue methods + */ - this.state = State.IDLE; - } - this.tick(); + VTTCue.prototype.getCueAsHTML = function () { + // Assume WebVTT.convertCueToDOMTree is on the global. + var WebVTT = window.WebVTT; + return WebVTT.convertCueToDOMTree(window, this.text); }; - _proto.onAudioTrackLoaded = function onAudioTrackLoaded(data) { - var newDetails = data.details, - trackId = data.id, - track = this.tracks[trackId], - duration = newDetails.totalduration, - sliding = 0; - logger["logger"].log("track " + trackId + " loaded [" + newDetails.startSN + "," + newDetails.endSN + "],duration:" + duration); + return VTTCue; +})()); +// CONCATENATED MODULE: ./src/utils/vttparser.js +/* + * Source: https://github.com/mozilla/vtt.js/blob/master/dist/vtt.js#L1716 + */ - if (newDetails.live) { - var curDetails = track.details; - if (curDetails && newDetails.fragments.length > 0) { - // we already have details for that level, merge them - mergeDetails(curDetails, newDetails); - sliding = newDetails.fragments[0].start; // TODO - // this.liveSyncPosition = this.computeLivePosition(sliding, curDetails); +var StringDecoder = function StringDecoder() { + return { + decode: function decode(data) { + if (!data) { + return ''; + } - if (newDetails.PTSKnown) { - logger["logger"].log("live audio playlist sliding:" + sliding.toFixed(3)); - } else { - logger["logger"].log('live audio playlist - outdated PTS, unknown sliding'); - } - } else { - newDetails.PTSKnown = false; - logger["logger"].log('live audio playlist - first load, unknown sliding'); + if (typeof data !== 'string') { + throw new Error('Error - expected string data.'); } - } else { - newDetails.PTSKnown = false; + + return decodeURIComponent(encodeURIComponent(data)); } + }; +}; - track.details = newDetails; // compute start position +function VTTParser() { + this.window = window; + this.state = 'INITIAL'; + this.buffer = ''; + this.decoder = new StringDecoder(); + this.regionList = []; +} // Try to parse input as a time stamp. - if (!this.startFragRequested) { - // compute start position if set to -1. use it straight away if value is defined - if (this.startPosition === -1) { - // first, check if start time offset has been set in playlist, if yes, use this value - var startTimeOffset = newDetails.startTimeOffset; - if (Object(number_isFinite["isFiniteNumber"])(startTimeOffset)) { - logger["logger"].log("start time offset found in playlist, adjust startPosition to " + startTimeOffset); - this.startPosition = startTimeOffset; - } else { - if (newDetails.live) { - this.startPosition = this.computeLivePosition(sliding, newDetails); - logger["logger"].log("compute startPosition for audio-track to " + this.startPosition); - } else { - this.startPosition = 0; - } - } - } +function parseTimeStamp(input) { + function computeSeconds(h, m, s, f) { + return (h | 0) * 3600 + (m | 0) * 60 + (s | 0) + (f | 0) / 1000; + } - this.nextLoadPosition = this.startPosition; - } // only switch batck to IDLE state if we were waiting for track to start downloading a new fragment + var m = input.match(/^(\d+):(\d{2})(:\d{2})?\.(\d{3})/); + if (!m) { + return null; + } - if (this.state === State.WAITING_TRACK) { - this.state = State.IDLE; - } // trigger handler right now + if (m[3]) { + // Timestamp takes the form of [hours]:[minutes]:[seconds].[milliseconds] + return computeSeconds(m[1], m[2], m[3].replace(':', ''), m[4]); + } else if (m[1] > 59) { + // Timestamp takes the form of [hours]:[minutes].[milliseconds] + // First position is hours as it's over 59. + return computeSeconds(m[1], m[2], 0, m[4]); + } else { + // Timestamp takes the form of [minutes]:[seconds].[milliseconds] + return computeSeconds(0, m[1], m[2], m[4]); + } +} // A settings object holds key/value pairs and will ignore anything but the first +// assignment to a specific key. - this.tick(); - }; +function Settings() { + this.values = Object.create(null); +} - _proto.onKeyLoaded = function onKeyLoaded() { - if (this.state === State.KEY_LOADING) { - this.state = State.IDLE; - this.tick(); +Settings.prototype = { + // Only accept the first assignment to any key. + set: function set(k, v) { + if (!this.get(k) && v !== '') { + this.values[k] = v; + } + }, + // Return the value for a key, or a default value. + // If 'defaultKey' is passed then 'dflt' is assumed to be an object with + // a number of possible default values as properties where 'defaultKey' is + // the key of the property that will be chosen; otherwise it's assumed to be + // a single value. + get: function get(k, dflt, defaultKey) { + if (defaultKey) { + return this.has(k) ? this.values[k] : dflt[defaultKey]; } - }; - - _proto.onFragLoaded = function onFragLoaded(data) { - var fragCurrent = this.fragCurrent, - fragLoaded = data.frag; - - if (this.state === State.FRAG_LOADING && fragCurrent && fragLoaded.type === 'audio' && fragLoaded.level === fragCurrent.level && fragLoaded.sn === fragCurrent.sn) { - var track = this.tracks[this.trackId], - details = track.details, - duration = details.totalduration, - trackId = fragCurrent.level, - sn = fragCurrent.sn, - cc = fragCurrent.cc, - audioCodec = this.config.defaultAudioCodec || track.audioCodec || 'mp4a.40.2', - stats = this.stats = data.stats; - if (sn === 'initSegment') { - this.state = State.IDLE; - stats.tparsed = stats.tbuffered = audio_stream_controller_performance.now(); - details.initSegment.data = data.payload; - this.hls.trigger(events["default"].FRAG_BUFFERED, { - stats: stats, - frag: fragCurrent, - id: 'audio' - }); - this.tick(); - } else { - this.state = State.PARSING; // transmux the MPEG-TS data to ISO-BMFF segments + return this.has(k) ? this.values[k] : dflt; + }, + // Check whether we have a value for a key. + has: function has(k) { + return k in this.values; + }, + // Accept a setting if its one of the given alternatives. + alt: function alt(k, v, a) { + for (var n = 0; n < a.length; ++n) { + if (v === a[n]) { + this.set(k, v); + break; + } + } + }, + // Accept a setting if its a valid (signed) integer. + integer: function integer(k, v) { + if (/^-?\d+$/.test(v)) { + // integer + this.set(k, parseInt(v, 10)); + } + }, + // Accept a setting if its a valid percentage. + percent: function percent(k, v) { + var m; - this.appended = false; + if (m = v.match(/^([\d]{1,3})(\.[\d]*)?%$/)) { + v = parseFloat(v); - if (!this.demuxer) { - this.demuxer = new demux_demuxer(this.hls, 'audio'); - } // Check if we have video initPTS - // If not we need to wait for it + if (v >= 0 && v <= 100) { + this.set(k, v); + return true; + } + } + return false; + } +}; // Helper function to parse input into groups separated by 'groupDelim', and +// interprete each group as a key/value pair separated by 'keyValueDelim'. - var initPTS = this.initPTS[cc]; - var initSegmentData = details.initSegment ? details.initSegment.data : []; +function parseOptions(input, callback, keyValueDelim, groupDelim) { + var groups = groupDelim ? input.split(groupDelim) : [input]; - if (details.initSegment || initPTS !== undefined) { - this.pendingBuffering = true; - logger["logger"].log("Demuxing " + sn + " of [" + details.startSN + " ," + details.endSN + "],track " + trackId); // time Offset is accurate if level PTS is known, or if playlist is not sliding (not live) + for (var i in groups) { + if (typeof groups[i] !== 'string') { + continue; + } - var accurateTimeOffset = false; // details.PTSKnown || !details.live; + var kv = groups[i].split(keyValueDelim); - this.demuxer.push(data.payload, initSegmentData, audioCodec, null, fragCurrent, duration, accurateTimeOffset, initPTS); - } else { - logger["logger"].log("unknown video PTS for continuity counter " + cc + ", waiting for video PTS before demuxing audio frag " + sn + " of [" + details.startSN + " ," + details.endSN + "],track " + trackId); - this.waitingFragment = data; - this.state = State.WAITING_INIT_PTS; - } - } + if (kv.length !== 2) { + continue; } - this.fragLoadError = 0; - }; + var k = kv[0]; + var v = kv[1]; + callback(k, v); + } +} - _proto.onFragParsingInitSegment = function onFragParsingInitSegment(data) { - var fragCurrent = this.fragCurrent; - var fragNew = data.frag; +var defaults = new vttcue(0, 0, 0); // 'middle' was changed to 'center' in the spec: https://github.com/w3c/webvtt/pull/244 +// Safari doesn't yet support this change, but FF and Chrome do. - if (fragCurrent && data.id === 'audio' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === State.PARSING) { - var tracks = data.tracks, - track; // delete any video track found on audio demuxer +var center = defaults.align === 'middle' ? 'middle' : 'center'; - if (tracks.video) { - delete tracks.video; - } // include levelCodec in audio and video tracks +function parseCue(input, cue, regionList) { + // Remember the original input if we need to throw an error. + var oInput = input; // 4.1 WebVTT timestamp + function consumeTimeStamp() { + var ts = parseTimeStamp(input); - track = tracks.audio; + if (ts === null) { + throw new Error('Malformed timestamp: ' + oInput); + } // Remove time stamp from input. - if (track) { - track.levelCodec = track.codec; - track.id = data.id; - this.hls.trigger(events["default"].BUFFER_CODECS, tracks); - logger["logger"].log("audio track:audio,container:" + track.container + ",codecs[level/parsed]=[" + track.levelCodec + "/" + track.codec + "]"); - var initSegment = track.initSegment; - if (initSegment) { - var appendObj = { - type: 'audio', - data: initSegment, - parent: 'audio', - content: 'initSegment' - }; + input = input.replace(/^[^\sa-zA-Z-]+/, ''); + return ts; + } // 4.4.2 WebVTT cue settings - if (this.audioSwitch) { - this.pendingData = [appendObj]; - } else { - this.appended = true; // arm pending Buffering flag before appending a segment - this.pendingBuffering = true; - this.hls.trigger(events["default"].BUFFER_APPENDING, appendObj); + function consumeCueSettings(input, cue) { + var settings = new Settings(); + parseOptions(input, function (k, v) { + switch (k) { + case 'region': + // Find the last region we parsed with the same region id. + for (var i = regionList.length - 1; i >= 0; i--) { + if (regionList[i].id === v) { + settings.set(k, regionList[i].region); + break; + } } - } // trigger handler right now + break; - this.tick(); - } - } - }; + case 'vertical': + settings.alt(k, v, ['rl', 'lr']); + break; - _proto.onFragParsingData = function onFragParsingData(data) { - var _this2 = this; + case 'line': + var vals = v.split(','), + vals0 = vals[0]; + settings.integer(k, vals0); - var fragCurrent = this.fragCurrent; - var fragNew = data.frag; + if (settings.percent(k, vals0)) { + settings.set('snapToLines', false); + } - if (fragCurrent && data.id === 'audio' && data.type === 'audio' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === State.PARSING) { - var trackId = this.trackId, - track = this.tracks[trackId], - hls = this.hls; + settings.alt(k, vals0, ['auto']); - if (!Object(number_isFinite["isFiniteNumber"])(data.endPTS)) { - data.endPTS = data.startPTS + fragCurrent.duration; - data.endDTS = data.startDTS + fragCurrent.duration; - } + if (vals.length === 2) { + settings.alt('lineAlign', vals[1], ['start', center, 'end']); + } - fragCurrent.addElementaryStream(ElementaryStreamTypes.AUDIO); - logger["logger"].log("parsed " + data.type + ",PTS:[" + data.startPTS.toFixed(3) + "," + data.endPTS.toFixed(3) + "],DTS:[" + data.startDTS.toFixed(3) + "/" + data.endDTS.toFixed(3) + "],nb:" + data.nb); - updateFragPTSDTS(track.details, fragCurrent, data.startPTS, data.endPTS); - var audioSwitch = this.audioSwitch, - media = this.media, - appendOnBufferFlush = false; // Only flush audio from old audio tracks when PTS is known on new audio track + break; - if (audioSwitch) { - if (media && media.readyState) { - var currentTime = media.currentTime; - logger["logger"].log('switching audio track : currentTime:' + currentTime); - - if (currentTime >= data.startPTS) { - logger["logger"].log('switching audio track : flushing all audio'); - this.state = State.BUFFER_FLUSHING; - hls.trigger(events["default"].BUFFER_FLUSHING, { - startOffset: 0, - endOffset: Number.POSITIVE_INFINITY, - type: 'audio' - }); - appendOnBufferFlush = true; // Lets announce that the initial audio track switch flush occur + case 'position': + vals = v.split(','); + settings.percent(k, vals[0]); - this.audioSwitch = false; - hls.trigger(events["default"].AUDIO_TRACK_SWITCHED, { - id: trackId - }); + if (vals.length === 2) { + settings.alt('positionAlign', vals[1], ['start', center, 'end', 'line-left', 'line-right', 'auto']); } - } else { - // Lets announce that the initial audio track switch flush occur - this.audioSwitch = false; - hls.trigger(events["default"].AUDIO_TRACK_SWITCHED, { - id: trackId - }); - } - } - var pendingData = this.pendingData; + break; - if (!pendingData) { - logger["logger"].warn('Apparently attempt to enqueue media payload without codec initialization data upfront'); - hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].MEDIA_ERROR, - details: null, - fatal: true - }); - return; - } + case 'size': + settings.percent(k, v); + break; - if (!this.audioSwitch) { - [data.data1, data.data2].forEach(function (buffer) { - if (buffer && buffer.length) { - pendingData.push({ - type: data.type, - data: buffer, - parent: 'audio', - content: 'data' - }); - } - }); + case 'align': + settings.alt(k, v, ['start', center, 'end', 'left', 'right']); + break; + } + }, /:/, /\s/); // Apply default values for any missing fields. - if (!appendOnBufferFlush && pendingData.length) { - pendingData.forEach(function (appendObj) { - // only append in PARSING state (rationale is that an appending error could happen synchronously on first segment appending) - // in that case it is useless to append following segments - if (_this2.state === State.PARSING) { - // arm pending Buffering flag before appending a segment - _this2.pendingBuffering = true; + cue.region = settings.get('region', null); + cue.vertical = settings.get('vertical', ''); + var line = settings.get('line', 'auto'); - _this2.hls.trigger(events["default"].BUFFER_APPENDING, appendObj); - } - }); - this.pendingData = []; - this.appended = true; - } - } // trigger handler right now + if (line === 'auto' && defaults.line === -1) { + // set numeric line number for Safari + line = -1; + } + cue.line = line; + cue.lineAlign = settings.get('lineAlign', 'start'); + cue.snapToLines = settings.get('snapToLines', true); + cue.size = settings.get('size', 100); + cue.align = settings.get('align', center); + var position = settings.get('position', 'auto'); - this.tick(); + if (position === 'auto' && defaults.position === 50) { + // set numeric position for Safari + position = cue.align === 'start' || cue.align === 'left' ? 0 : cue.align === 'end' || cue.align === 'right' ? 100 : 50; } - }; - _proto.onFragParsed = function onFragParsed(data) { - var fragCurrent = this.fragCurrent; - var fragNew = data.frag; + cue.position = position; + } - if (fragCurrent && data.id === 'audio' && fragNew.sn === fragCurrent.sn && fragNew.level === fragCurrent.level && this.state === State.PARSING) { - this.stats.tparsed = audio_stream_controller_performance.now(); - this.state = State.PARSED; + function skipWhitespace() { + input = input.replace(/^\s+/, ''); + } // 4.1 WebVTT cue timings. - this._checkAppendedParsed(); - } - }; - _proto.onBufferReset = function onBufferReset() { - // reset reference to sourcebuffers - this.mediaBuffer = this.videoBuffer = null; - this.loadedmetadata = false; - }; + skipWhitespace(); + cue.startTime = consumeTimeStamp(); // (1) collect cue start time - _proto.onBufferCreated = function onBufferCreated(data) { - var audioTrack = data.tracks.audio; + skipWhitespace(); - if (audioTrack) { - this.mediaBuffer = audioTrack.buffer; - this.loadedmetadata = true; - } + if (input.substr(0, 3) !== '-->') { + // (3) next characters must match '-->' + throw new Error('Malformed time stamp (time stamps must be separated by \'-->\'): ' + oInput); + } - if (data.tracks.video) { - this.videoBuffer = data.tracks.video.buffer; - } - }; + input = input.substr(3); + skipWhitespace(); + cue.endTime = consumeTimeStamp(); // (5) collect cue end time + // 4.1 WebVTT cue settings list. - _proto.onBufferAppended = function onBufferAppended(data) { - if (data.parent === 'audio') { - var state = this.state; + skipWhitespace(); + consumeCueSettings(input, cue); +} - if (state === State.PARSING || state === State.PARSED) { - // check if all buffers have been appended - this.pendingBuffering = data.pending > 0; +function fixLineBreaks(input) { + return input.replace(/<br(?: \/)?>/gi, '\n'); +} - this._checkAppendedParsed(); - } - } - }; +VTTParser.prototype = { + parse: function parse(data) { + var self = this; // If there is no data then we won't decode it, but will just try to parse + // whatever is in buffer already. This may occur in circumstances, for + // example when flush() is called. - _proto._checkAppendedParsed = function _checkAppendedParsed() { - // trigger handler right now - if (this.state === State.PARSED && (!this.appended || !this.pendingBuffering)) { - var frag = this.fragCurrent, - stats = this.stats, - hls = this.hls; + if (data) { + // Try to decode the data that we received. + self.buffer += self.decoder.decode(data, { + stream: true + }); + } - if (frag) { - this.fragPrevious = frag; - stats.tbuffered = audio_stream_controller_performance.now(); - hls.trigger(events["default"].FRAG_BUFFERED, { - stats: stats, - frag: frag, - id: 'audio' - }); - var media = this.mediaBuffer ? this.mediaBuffer : this.media; + function collectNextLine() { + var buffer = self.buffer; + var pos = 0; + buffer = fixLineBreaks(buffer); - if (media) { - logger["logger"].log("audio buffered : " + time_ranges.toString(media.buffered)); - } + while (pos < buffer.length && buffer[pos] !== '\r' && buffer[pos] !== '\n') { + ++pos; + } - if (this.audioSwitch && this.appended) { - this.audioSwitch = false; - hls.trigger(events["default"].AUDIO_TRACK_SWITCHED, { - id: this.trackId - }); - } + var line = buffer.substr(0, pos); // Advance the buffer early in case we fail below. - this.state = State.IDLE; + if (buffer[pos] === '\r') { + ++pos; } - this.tick(); - } - }; - - _proto.onError = function onError(data) { - var frag = data.frag; // don't handle frag error not related to audio fragment + if (buffer[pos] === '\n') { + ++pos; + } - if (frag && frag.type !== 'audio') { - return; - } + self.buffer = buffer.substr(pos); + return line; + } // 3.2 WebVTT metadata header syntax - switch (data.details) { - case errors["ErrorDetails"].FRAG_LOAD_ERROR: - case errors["ErrorDetails"].FRAG_LOAD_TIMEOUT: - var _frag = data.frag; // don't handle frag error not related to audio fragment - if (_frag && _frag.type !== 'audio') { - break; + function parseHeader(input) { + parseOptions(input, function (k, v) { + switch (k) { + case 'Region': + // 3.3 WebVTT region metadata header syntax + // console.log('parse region', v); + // parseRegion(v); + break; } + }, /:/); + } // 5.1 WebVTT file parsing. - if (!data.fatal) { - var loadError = this.fragLoadError; - - if (loadError) { - loadError++; - } else { - loadError = 1; - } - var config = this.config; + try { + var line; - if (loadError <= config.fragLoadingMaxRetry) { - this.fragLoadError = loadError; // exponential backoff capped to config.fragLoadingMaxRetryTimeout + if (self.state === 'INITIAL') { + // We can't start parsing until we have the first line. + if (!/\r\n|\n/.test(self.buffer)) { + return this; + } - var delay = Math.min(Math.pow(2, loadError - 1) * config.fragLoadingRetryDelay, config.fragLoadingMaxRetryTimeout); - logger["logger"].warn("AudioStreamController: frag loading failed, retry in " + delay + " ms"); - this.retryDate = audio_stream_controller_performance.now() + delay; // retry loading state + line = collectNextLine(); // strip of UTF-8 BOM if any + // https://en.wikipedia.org/wiki/Byte_order_mark#UTF-8 - this.state = State.FRAG_LOADING_WAITING_RETRY; - } else { - logger["logger"].error("AudioStreamController: " + data.details + " reaches max retry, redispatch as fatal ..."); // switch error to fatal + var m = line.match(/^()?WEBVTT([ \t].*)?$/); - data.fatal = true; - this.state = State.ERROR; - } + if (!m || !m[0]) { + throw new Error('Malformed WebVTT signature.'); } - break; + self.state = 'HEADER'; + } - case errors["ErrorDetails"].AUDIO_TRACK_LOAD_ERROR: - case errors["ErrorDetails"].AUDIO_TRACK_LOAD_TIMEOUT: - case errors["ErrorDetails"].KEY_LOAD_ERROR: - case errors["ErrorDetails"].KEY_LOAD_TIMEOUT: - // when in ERROR state, don't switch back to IDLE state in case a non-fatal error is received - if (this.state !== State.ERROR) { - // if fatal error, stop processing, otherwise move to IDLE to retry loading - this.state = data.fatal ? State.ERROR : State.IDLE; - logger["logger"].warn("AudioStreamController: " + data.details + " while loading frag, now switching to " + this.state + " state ..."); + var alreadyCollectedLine = false; + + while (self.buffer) { + // We can't parse a line until we have the full line. + if (!/\r\n|\n/.test(self.buffer)) { + return this; } - break; + if (!alreadyCollectedLine) { + line = collectNextLine(); + } else { + alreadyCollectedLine = false; + } - case errors["ErrorDetails"].BUFFER_FULL_ERROR: - // if in appending state - if (data.parent === 'audio' && (this.state === State.PARSING || this.state === State.PARSED)) { - var media = this.mediaBuffer, - currentTime = this.media.currentTime, - mediaBuffered = media && BufferHelper.isBuffered(media, currentTime) && BufferHelper.isBuffered(media, currentTime + 0.5); // reduce max buf len if current position is buffered + switch (self.state) { + case 'HEADER': + // 13-18 - Allow a header (metadata) under the WEBVTT line. + if (/:/.test(line)) { + parseHeader(line); + } else if (!line) { + // An empty line terminates the header and starts the body (cues). + self.state = 'ID'; + } - if (mediaBuffered) { - var _config = this.config; + continue; - if (_config.maxMaxBufferLength >= _config.maxBufferLength) { - // reduce max buffer length as it might be too high. we do this to avoid loop flushing ... - _config.maxMaxBufferLength /= 2; - logger["logger"].warn("AudioStreamController: reduce max buffer length to " + _config.maxMaxBufferLength + "s"); + case 'NOTE': + // Ignore NOTE blocks. + if (!line) { + self.state = 'ID'; } - this.state = State.IDLE; - } else { - // current position is not buffered, but browser is still complaining about buffer full error - // this happens on IE/Edge, refer to https://github.com/video-dev/hls.js/pull/708 - // in that case flush the whole audio buffer to recover - logger["logger"].warn('AudioStreamController: buffer full error also media.currentTime is not buffered, flush audio buffer'); - this.fragCurrent = null; // flush everything + continue; - this.state = State.BUFFER_FLUSHING; - this.hls.trigger(events["default"].BUFFER_FLUSHING, { - startOffset: 0, - endOffset: Number.POSITIVE_INFINITY, - type: 'audio' - }); - } - } + case 'ID': + // Check for the start of NOTE blocks. + if (/^NOTE($|[ \t])/.test(line)) { + self.state = 'NOTE'; + break; + } // 19-29 - Allow any number of line terminators, then initialize new cue values. - break; - default: - break; - } - }; + if (!line) { + continue; + } - _proto.onBufferFlushed = function onBufferFlushed() { - var _this3 = this; + self.cue = new vttcue(0, 0, ''); + self.state = 'CUE'; // 30-39 - Check if self line contains an optional identifier or timing data. - var pendingData = this.pendingData; + if (line.indexOf('-->') === -1) { + self.cue.id = line; + continue; + } - if (pendingData && pendingData.length) { - logger["logger"].log('AudioStreamController: appending pending audio data after buffer flushed'); - pendingData.forEach(function (appendObj) { - _this3.hls.trigger(events["default"].BUFFER_APPENDING, appendObj); - }); - this.appended = true; - this.pendingData = []; - this.state = State.PARSED; - } else { - // move to IDLE once flush complete. this should trigger new fragment loading - this.state = State.IDLE; // reset reference to frag + // Process line as start of a cue. - this.fragPrevious = null; - this.tick(); - } - }; + /* falls through */ - audio_stream_controller_createClass(AudioStreamController, [{ - key: "state", - set: function set(nextState) { - if (this.state !== nextState) { - var previousState = this.state; - this._state = nextState; - logger["logger"].log("audio stream:" + previousState + "->" + nextState); - } - }, - get: function get() { - return this._state; - } - }]); + case 'CUE': + // 40 - Collect cue timings and settings. + try { + parseCue(line, self.cue, self.regionList); + } catch (e) { + // In case of an error ignore rest of the cue. + self.cue = null; + self.state = 'BADCUE'; + continue; + } - return AudioStreamController; -}(base_stream_controller_BaseStreamController); + self.state = 'CUETEXT'; + continue; -/* harmony default export */ var audio_stream_controller = (audio_stream_controller_AudioStreamController); -// CONCATENATED MODULE: ./src/utils/vttcue.js -/** - * Copyright 2013 vtt.js Contributors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -/* harmony default export */ var vttcue = ((function () { - if (typeof window !== 'undefined' && window.VTTCue) { - return window.VTTCue; - } + case 'CUETEXT': + var hasSubstring = line.indexOf('-->') !== -1; // 34 - If we have an empty line then report the cue. + // 35 - If we have the special substring '-->' then report the cue, + // but do not collect the line as we need to process the current + // one as a new cue. - var autoKeyword = 'auto'; - var directionSetting = { - '': true, - lr: true, - rl: true - }; - var alignSetting = { - start: true, - middle: true, - end: true, - left: true, - right: true - }; + if (!line || hasSubstring && (alreadyCollectedLine = true)) { + // We are done parsing self cue. + if (self.oncue) { + self.oncue(self.cue); + } - function findDirectionSetting(value) { - if (typeof value !== 'string') { - return false; - } + self.cue = null; + self.state = 'ID'; + continue; + } - var dir = directionSetting[value.toLowerCase()]; - return dir ? value.toLowerCase() : false; - } + if (self.cue.text) { + self.cue.text += '\n'; + } - function findAlignSetting(value) { - if (typeof value !== 'string') { - return false; + self.cue.text += line; + continue; + + case 'BADCUE': + // BADCUE + // 54-62 - Collect and discard the remaining cue. + if (!line) { + self.state = 'ID'; + } + + continue; + } + } + } catch (e) { + // If we are currently parsing a cue, report what we have. + if (self.state === 'CUETEXT' && self.cue && self.oncue) { + self.oncue(self.cue); + } + + self.cue = null; // Enter BADWEBVTT state if header was not parsed correctly otherwise + // another exception occurred so enter BADCUE state. + + self.state = self.state === 'INITIAL' ? 'BADWEBVTT' : 'BADCUE'; } - var align = alignSetting[value.toLowerCase()]; - return align ? value.toLowerCase() : false; - } + return this; + }, + flush: function flush() { + var self = this; - function extend(obj) { - var i = 1; + try { + // Finish decoding the stream. + self.buffer += self.decoder.decode(); // Synthesize the end of the current cue or region. - for (; i < arguments.length; i++) { - var cobj = arguments[i]; + if (self.cue || self.state === 'HEADER') { + self.buffer += '\n\n'; + self.parse(); + } // If we've flushed, parsed, and we're still on the INITIAL state then + // that means we don't have enough of the stream to parse the first + // line. - for (var p in cobj) { - obj[p] = cobj[p]; + + if (self.state === 'INITIAL') { + throw new Error('Malformed WebVTT signature.'); } + } catch (e) { + throw e; } - return obj; + if (self.onflush) { + self.onflush(); + } + + return this; } +}; - function VTTCue(startTime, endTime, text) { - var cue = this; - var baseObj = {}; - baseObj.enumerable = true; - /** - * Shim implementation specific properties. These properties are not in - * the spec. - */ - // Lets us know when the VTTCue's data has changed in such a way that we need - // to recompute its display state. This lets us compute its display state - // lazily. - - cue.hasBeenReset = false; - /** - * VTTCue and TextTrackCue properties - * http://dev.w3.org/html5/webvtt/#vttcue-interface - */ - - var _id = ''; - var _pauseOnExit = false; - var _startTime = startTime; - var _endTime = endTime; - var _text = text; - var _region = null; - var _vertical = ''; - var _snapToLines = true; - var _line = 'auto'; - var _lineAlign = 'start'; - var _position = 50; - var _positionAlign = 'middle'; - var _size = 50; - var _align = 'middle'; - Object.defineProperty(cue, 'id', extend({}, baseObj, { - get: function get() { - return _id; - }, - set: function set(value) { - _id = '' + value; - } - })); - Object.defineProperty(cue, 'pauseOnExit', extend({}, baseObj, { - get: function get() { - return _pauseOnExit; - }, - set: function set(value) { - _pauseOnExit = !!value; - } - })); - Object.defineProperty(cue, 'startTime', extend({}, baseObj, { - get: function get() { - return _startTime; - }, - set: function set(value) { - if (typeof value !== 'number') { - throw new TypeError('Start time must be set to a number.'); - } - - _startTime = value; - this.hasBeenReset = true; - } - })); - Object.defineProperty(cue, 'endTime', extend({}, baseObj, { - get: function get() { - return _endTime; - }, - set: function set(value) { - if (typeof value !== 'number') { - throw new TypeError('End time must be set to a number.'); - } - - _endTime = value; - this.hasBeenReset = true; - } - })); - Object.defineProperty(cue, 'text', extend({}, baseObj, { - get: function get() { - return _text; - }, - set: function set(value) { - _text = '' + value; - this.hasBeenReset = true; - } - })); - Object.defineProperty(cue, 'region', extend({}, baseObj, { - get: function get() { - return _region; - }, - set: function set(value) { - _region = value; - this.hasBeenReset = true; - } - })); - Object.defineProperty(cue, 'vertical', extend({}, baseObj, { - get: function get() { - return _vertical; - }, - set: function set(value) { - var setting = findDirectionSetting(value); // Have to check for false because the setting an be an empty string. - - if (setting === false) { - throw new SyntaxError('An invalid or illegal string was specified.'); - } - - _vertical = setting; - this.hasBeenReset = true; - } - })); - Object.defineProperty(cue, 'snapToLines', extend({}, baseObj, { - get: function get() { - return _snapToLines; - }, - set: function set(value) { - _snapToLines = !!value; - this.hasBeenReset = true; - } - })); - Object.defineProperty(cue, 'line', extend({}, baseObj, { - get: function get() { - return _line; - }, - set: function set(value) { - if (typeof value !== 'number' && value !== autoKeyword) { - throw new SyntaxError('An invalid number or illegal string was specified.'); - } - - _line = value; - this.hasBeenReset = true; - } - })); - Object.defineProperty(cue, 'lineAlign', extend({}, baseObj, { - get: function get() { - return _lineAlign; - }, - set: function set(value) { - var setting = findAlignSetting(value); - - if (!setting) { - throw new SyntaxError('An invalid or illegal string was specified.'); - } +/* harmony default export */ var vttparser = (VTTParser); +// CONCATENATED MODULE: ./src/utils/cues.ts - _lineAlign = setting; - this.hasBeenReset = true; - } - })); - Object.defineProperty(cue, 'position', extend({}, baseObj, { - get: function get() { - return _position; - }, - set: function set(value) { - if (value < 0 || value > 100) { - throw new Error('Position must be between 0 and 100.'); - } +function newCue(track, startTime, endTime, captionScreen) { + var row; // the type data states this is VTTCue, but it can potentially be a TextTrackCue on old browsers - _position = value; - this.hasBeenReset = true; - } - })); - Object.defineProperty(cue, 'positionAlign', extend({}, baseObj, { - get: function get() { - return _positionAlign; - }, - set: function set(value) { - var setting = findAlignSetting(value); + var cue; + var indenting; + var indent; + var text; + var VTTCue = window.VTTCue || TextTrackCue; - if (!setting) { - throw new SyntaxError('An invalid or illegal string was specified.'); - } + for (var r = 0; r < captionScreen.rows.length; r++) { + row = captionScreen.rows[r]; + indenting = true; + indent = 0; + text = ''; - _positionAlign = setting; - this.hasBeenReset = true; - } - })); - Object.defineProperty(cue, 'size', extend({}, baseObj, { - get: function get() { - return _size; - }, - set: function set(value) { - if (value < 0 || value > 100) { - throw new Error('Size must be between 0 and 100.'); + if (!row.isEmpty()) { + for (var c = 0; c < row.chars.length; c++) { + if (row.chars[c].uchar.match(/\s/) && indenting) { + indent++; + } else { + text += row.chars[c].uchar; + indenting = false; } + } // To be used for cleaning-up orphaned roll-up captions - _size = value; - this.hasBeenReset = true; - } - })); - Object.defineProperty(cue, 'align', extend({}, baseObj, { - get: function get() { - return _align; - }, - set: function set(value) { - var setting = findAlignSetting(value); - if (!setting) { - throw new SyntaxError('An invalid or illegal string was specified.'); - } + row.cueStartTime = startTime; // Give a slight bump to the endTime if it's equal to startTime to avoid a SyntaxError in IE - _align = setting; - this.hasBeenReset = true; + if (startTime === endTime) { + endTime += 0.0001; } - })); - /** - * Other <track> spec defined properties - */ - // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#text-track-cue-display-state - - cue.displayState = void 0; - } - /** - * VTTCue methods - */ - - VTTCue.prototype.getCueAsHTML = function () { - // Assume WebVTT.convertCueToDOMTree is on the global. - var WebVTT = window.WebVTT; - return WebVTT.convertCueToDOMTree(window, this.text); - }; + cue = new VTTCue(startTime, endTime, fixLineBreaks(text.trim())); - return VTTCue; -})()); -// CONCATENATED MODULE: ./src/utils/vttparser.js -/* - * Source: https://github.com/mozilla/vtt.js/blob/master/dist/vtt.js#L1716 - */ + if (indent >= 16) { + indent--; + } else { + indent++; + } // VTTCue.line get's flakey when using controls, so let's now include line 13&14 + // also, drop line 1 since it's to close to the top -var StringDecoder = function StringDecoder() { - return { - decode: function decode(data) { - if (!data) { - return ''; + if (navigator.userAgent.match(/Firefox\//)) { + cue.line = r + 1; + } else { + cue.line = r > 7 ? r - 2 : r + 1; } - if (typeof data !== 'string') { - throw new Error('Error - expected string data.'); - } + cue.align = 'left'; // Clamp the position between 0 and 100 - if out of these bounds, Firefox throws an exception and captions break - return decodeURIComponent(encodeURIComponent(data)); + cue.position = Math.max(0, Math.min(100, 100 * (indent / 32))); + track.addCue(cue); } + } +} +// CONCATENATED MODULE: ./src/utils/cea-608-parser.ts +/** + * + * This code was ported from the dash.js project at: + * https://github.com/Dash-Industry-Forum/dash.js/blob/development/externals/cea608-parser.js + * https://github.com/Dash-Industry-Forum/dash.js/commit/8269b26a761e0853bb21d78780ed945144ecdd4d#diff-71bc295a2d6b6b7093a1d3290d53a4b2 + * + * The original copyright appears below: + * + * The copyright in this software is being made available under the BSD License, + * included below. This software may be subject to other third party and contributor + * rights, including patent rights, and no such rights are granted under this license. + * + * Copyright (c) 2015-2016, DASH Industry Forum. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation and/or + * other materials provided with the distribution. + * 2. Neither the name of Dash Industry Forum nor the names of its + * contributors may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/** + * Exceptions from regular ASCII. CodePoints are mapped to UTF-16 codes + */ +var specialCea608CharsCodes = { + 0x2a: 0xe1, + // lowercase a, acute accent + 0x5c: 0xe9, + // lowercase e, acute accent + 0x5e: 0xed, + // lowercase i, acute accent + 0x5f: 0xf3, + // lowercase o, acute accent + 0x60: 0xfa, + // lowercase u, acute accent + 0x7b: 0xe7, + // lowercase c with cedilla + 0x7c: 0xf7, + // division symbol + 0x7d: 0xd1, + // uppercase N tilde + 0x7e: 0xf1, + // lowercase n tilde + 0x7f: 0x2588, + // Full block + // THIS BLOCK INCLUDES THE 16 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS + // THAT COME FROM HI BYTE=0x11 AND LOW BETWEEN 0x30 AND 0x3F + // THIS MEANS THAT \x50 MUST BE ADDED TO THE VALUES + 0x80: 0xae, + // Registered symbol (R) + 0x81: 0xb0, + // degree sign + 0x82: 0xbd, + // 1/2 symbol + 0x83: 0xbf, + // Inverted (open) question mark + 0x84: 0x2122, + // Trademark symbol (TM) + 0x85: 0xa2, + // Cents symbol + 0x86: 0xa3, + // Pounds sterling + 0x87: 0x266a, + // Music 8'th note + 0x88: 0xe0, + // lowercase a, grave accent + 0x89: 0x20, + // transparent space (regular) + 0x8a: 0xe8, + // lowercase e, grave accent + 0x8b: 0xe2, + // lowercase a, circumflex accent + 0x8c: 0xea, + // lowercase e, circumflex accent + 0x8d: 0xee, + // lowercase i, circumflex accent + 0x8e: 0xf4, + // lowercase o, circumflex accent + 0x8f: 0xfb, + // lowercase u, circumflex accent + // THIS BLOCK INCLUDES THE 32 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS + // THAT COME FROM HI BYTE=0x12 AND LOW BETWEEN 0x20 AND 0x3F + 0x90: 0xc1, + // capital letter A with acute + 0x91: 0xc9, + // capital letter E with acute + 0x92: 0xd3, + // capital letter O with acute + 0x93: 0xda, + // capital letter U with acute + 0x94: 0xdc, + // capital letter U with diaresis + 0x95: 0xfc, + // lowercase letter U with diaeresis + 0x96: 0x2018, + // opening single quote + 0x97: 0xa1, + // inverted exclamation mark + 0x98: 0x2a, + // asterisk + 0x99: 0x2019, + // closing single quote + 0x9a: 0x2501, + // box drawings heavy horizontal + 0x9b: 0xa9, + // copyright sign + 0x9c: 0x2120, + // Service mark + 0x9d: 0x2022, + // (round) bullet + 0x9e: 0x201c, + // Left double quotation mark + 0x9f: 0x201d, + // Right double quotation mark + 0xa0: 0xc0, + // uppercase A, grave accent + 0xa1: 0xc2, + // uppercase A, circumflex + 0xa2: 0xc7, + // uppercase C with cedilla + 0xa3: 0xc8, + // uppercase E, grave accent + 0xa4: 0xca, + // uppercase E, circumflex + 0xa5: 0xcb, + // capital letter E with diaresis + 0xa6: 0xeb, + // lowercase letter e with diaresis + 0xa7: 0xce, + // uppercase I, circumflex + 0xa8: 0xcf, + // uppercase I, with diaresis + 0xa9: 0xef, + // lowercase i, with diaresis + 0xaa: 0xd4, + // uppercase O, circumflex + 0xab: 0xd9, + // uppercase U, grave accent + 0xac: 0xf9, + // lowercase u, grave accent + 0xad: 0xdb, + // uppercase U, circumflex + 0xae: 0xab, + // left-pointing double angle quotation mark + 0xaf: 0xbb, + // right-pointing double angle quotation mark + // THIS BLOCK INCLUDES THE 32 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS + // THAT COME FROM HI BYTE=0x13 AND LOW BETWEEN 0x20 AND 0x3F + 0xb0: 0xc3, + // Uppercase A, tilde + 0xb1: 0xe3, + // Lowercase a, tilde + 0xb2: 0xcd, + // Uppercase I, acute accent + 0xb3: 0xcc, + // Uppercase I, grave accent + 0xb4: 0xec, + // Lowercase i, grave accent + 0xb5: 0xd2, + // Uppercase O, grave accent + 0xb6: 0xf2, + // Lowercase o, grave accent + 0xb7: 0xd5, + // Uppercase O, tilde + 0xb8: 0xf5, + // Lowercase o, tilde + 0xb9: 0x7b, + // Open curly brace + 0xba: 0x7d, + // Closing curly brace + 0xbb: 0x5c, + // Backslash + 0xbc: 0x5e, + // Caret + 0xbd: 0x5f, + // Underscore + 0xbe: 0x7c, + // Pipe (vertical line) + 0xbf: 0x223c, + // Tilde operator + 0xc0: 0xc4, + // Uppercase A, umlaut + 0xc1: 0xe4, + // Lowercase A, umlaut + 0xc2: 0xd6, + // Uppercase O, umlaut + 0xc3: 0xf6, + // Lowercase o, umlaut + 0xc4: 0xdf, + // Esszett (sharp S) + 0xc5: 0xa5, + // Yen symbol + 0xc6: 0xa4, + // Generic currency sign + 0xc7: 0x2503, + // Box drawings heavy vertical + 0xc8: 0xc5, + // Uppercase A, ring + 0xc9: 0xe5, + // Lowercase A, ring + 0xca: 0xd8, + // Uppercase O, stroke + 0xcb: 0xf8, + // Lowercase o, strok + 0xcc: 0x250f, + // Box drawings heavy down and right + 0xcd: 0x2513, + // Box drawings heavy down and left + 0xce: 0x2517, + // Box drawings heavy up and right + 0xcf: 0x251b // Box drawings heavy up and left + +}; +/** + * Utils + */ + +var getCharForByte = function getCharForByte(byte) { + var charCode = byte; + + if (specialCea608CharsCodes.hasOwnProperty(byte)) { + charCode = specialCea608CharsCodes[byte]; + } + + return String.fromCharCode(charCode); +}; + +var NR_ROWS = 15, + NR_COLS = 100; // Tables to look up row from PAC data + +var rowsLowCh1 = { + 0x11: 1, + 0x12: 3, + 0x15: 5, + 0x16: 7, + 0x17: 9, + 0x10: 11, + 0x13: 12, + 0x14: 14 +}; +var rowsHighCh1 = { + 0x11: 2, + 0x12: 4, + 0x15: 6, + 0x16: 8, + 0x17: 10, + 0x13: 13, + 0x14: 15 +}; +var rowsLowCh2 = { + 0x19: 1, + 0x1A: 3, + 0x1D: 5, + 0x1E: 7, + 0x1F: 9, + 0x18: 11, + 0x1B: 12, + 0x1C: 14 +}; +var rowsHighCh2 = { + 0x19: 2, + 0x1A: 4, + 0x1D: 6, + 0x1E: 8, + 0x1F: 10, + 0x1B: 13, + 0x1C: 15 +}; +var backgroundColors = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta', 'black', 'transparent']; +var VerboseFilter; +/** + * Simple logger class to be able to write with time-stamps and filter on level. + */ + +(function (VerboseFilter) { + VerboseFilter[VerboseFilter["ERROR"] = 0] = "ERROR"; + VerboseFilter[VerboseFilter["TEXT"] = 1] = "TEXT"; + VerboseFilter[VerboseFilter["WARNING"] = 2] = "WARNING"; + VerboseFilter[VerboseFilter["INFO"] = 2] = "INFO"; + VerboseFilter[VerboseFilter["DEBUG"] = 3] = "DEBUG"; + VerboseFilter[VerboseFilter["DATA"] = 3] = "DATA"; +})(VerboseFilter || (VerboseFilter = {})); + +var cea_608_parser_logger = { + verboseFilter: { + 'DATA': 3, + 'DEBUG': 3, + 'INFO': 2, + 'WARNING': 2, + 'TEXT': 1, + 'ERROR': 0 + }, + time: null, + verboseLevel: 0, + // Only write errors + setTime: function setTime(newTime) { + this.time = newTime; + }, + log: function log(severity, msg) { + var minLevel = this.verboseFilter[severity]; + + if (this.verboseLevel >= minLevel) {// console.log(this.time + ' [' + severity + '] ' + msg); + } + } +}; + +var numArrayToHexArray = function numArrayToHexArray(numArray) { + var hexArray = []; + + for (var j = 0; j < numArray.length; j++) { + hexArray.push(numArray[j].toString(16)); + } + + return hexArray; +}; + +var PenState = +/*#__PURE__*/ +function () { + function PenState(foreground, underline, italics, background, flash) { + this.foreground = void 0; + this.underline = void 0; + this.italics = void 0; + this.background = void 0; + this.flash = void 0; + this.foreground = foreground || 'white'; + this.underline = underline || false; + this.italics = italics || false; + this.background = background || 'black'; + this.flash = flash || false; + } + + var _proto = PenState.prototype; + + _proto.reset = function reset() { + this.foreground = 'white'; + this.underline = false; + this.italics = false; + this.background = 'black'; + this.flash = false; + }; + + _proto.setStyles = function setStyles(styles) { + var attribs = ['foreground', 'underline', 'italics', 'background', 'flash']; + + for (var i = 0; i < attribs.length; i++) { + var style = attribs[i]; + + if (styles.hasOwnProperty(style)) { + this[style] = styles[style]; + } + } + }; + + _proto.isDefault = function isDefault() { + return this.foreground === 'white' && !this.underline && !this.italics && this.background === 'black' && !this.flash; + }; + + _proto.equals = function equals(other) { + return this.foreground === other.foreground && this.underline === other.underline && this.italics === other.italics && this.background === other.background && this.flash === other.flash; + }; + + _proto.copy = function copy(newPenState) { + this.foreground = newPenState.foreground; + this.underline = newPenState.underline; + this.italics = newPenState.italics; + this.background = newPenState.background; + this.flash = newPenState.flash; + }; + + _proto.toString = function toString() { + return 'color=' + this.foreground + ', underline=' + this.underline + ', italics=' + this.italics + ', background=' + this.background + ', flash=' + this.flash; + }; + + return PenState; +}(); +/** + * Unicode character with styling and background. + * @constructor + */ + + +var StyledUnicodeChar = +/*#__PURE__*/ +function () { + function StyledUnicodeChar(uchar, foreground, underline, italics, background, flash) { + this.uchar = void 0; + this.penState = void 0; + this.uchar = uchar || ' '; // unicode character + + this.penState = new PenState(foreground, underline, italics, background, flash); + } + + var _proto2 = StyledUnicodeChar.prototype; + + _proto2.reset = function reset() { + this.uchar = ' '; + this.penState.reset(); }; -}; -function VTTParser() { - this.window = window; - this.state = 'INITIAL'; - this.buffer = ''; - this.decoder = new StringDecoder(); - this.regionList = []; -} // Try to parse input as a time stamp. + _proto2.setChar = function setChar(uchar, newPenState) { + this.uchar = uchar; + this.penState.copy(newPenState); + }; + _proto2.setPenState = function setPenState(newPenState) { + this.penState.copy(newPenState); + }; -function parseTimeStamp(input) { - function computeSeconds(h, m, s, f) { - return (h | 0) * 3600 + (m | 0) * 60 + (s | 0) + (f | 0) / 1000; + _proto2.equals = function equals(other) { + return this.uchar === other.uchar && this.penState.equals(other.penState); + }; + + _proto2.copy = function copy(newChar) { + this.uchar = newChar.uchar; + this.penState.copy(newChar.penState); + }; + + _proto2.isEmpty = function isEmpty() { + return this.uchar === ' ' && this.penState.isDefault(); + }; + + return StyledUnicodeChar; +}(); +/** + * CEA-608 row consisting of NR_COLS instances of StyledUnicodeChar. + * @constructor + */ + + +var Row = +/*#__PURE__*/ +function () { + function Row() { + this.chars = void 0; + this.pos = void 0; + this.currPenState = void 0; + this.cueStartTime = void 0; + this.chars = []; + + for (var i = 0; i < NR_COLS; i++) { + this.chars.push(new StyledUnicodeChar()); + } + + this.pos = 0; + this.currPenState = new PenState(); } - var m = input.match(/^(\d+):(\d{2})(:\d{2})?\.(\d{3})/); + var _proto3 = Row.prototype; - if (!m) { - return null; + _proto3.equals = function equals(other) { + var equal = true; + + for (var i = 0; i < NR_COLS; i++) { + if (!this.chars[i].equals(other.chars[i])) { + equal = false; + break; + } + } + + return equal; + }; + + _proto3.copy = function copy(other) { + for (var i = 0; i < NR_COLS; i++) { + this.chars[i].copy(other.chars[i]); + } + }; + + _proto3.isEmpty = function isEmpty() { + var empty = true; + + for (var i = 0; i < NR_COLS; i++) { + if (!this.chars[i].isEmpty()) { + empty = false; + break; + } + } + + return empty; } + /** + * Set the cursor to a valid column. + */ + ; - if (m[3]) { - // Timestamp takes the form of [hours]:[minutes]:[seconds].[milliseconds] - return computeSeconds(m[1], m[2], m[3].replace(':', ''), m[4]); - } else if (m[1] > 59) { - // Timestamp takes the form of [hours]:[minutes].[milliseconds] - // First position is hours as it's over 59. - return computeSeconds(m[1], m[2], 0, m[4]); - } else { - // Timestamp takes the form of [minutes]:[seconds].[milliseconds] - return computeSeconds(0, m[1], m[2], m[4]); + _proto3.setCursor = function setCursor(absPos) { + if (this.pos !== absPos) { + this.pos = absPos; + } + + if (this.pos < 0) { + cea_608_parser_logger.log('ERROR', 'Negative cursor position ' + this.pos); + this.pos = 0; + } else if (this.pos > NR_COLS) { + cea_608_parser_logger.log('ERROR', 'Too large cursor position ' + this.pos); + this.pos = NR_COLS; + } } -} // A settings object holds key/value pairs and will ignore anything but the first -// assignment to a specific key. + /** + * Move the cursor relative to current position. + */ + ; + _proto3.moveCursor = function moveCursor(relPos) { + var newPos = this.pos + relPos; -function Settings() { - this.values = Object.create(null); -} + if (relPos > 1) { + for (var i = this.pos + 1; i < newPos + 1; i++) { + this.chars[i].setPenState(this.currPenState); + } + } -Settings.prototype = { - // Only accept the first assignment to any key. - set: function set(k, v) { - if (!this.get(k) && v !== '') { - this.values[k] = v; + this.setCursor(newPos); + } + /** + * Backspace, move one step back and clear character. + */ + ; + + _proto3.backSpace = function backSpace() { + this.moveCursor(-1); + this.chars[this.pos].setChar(' ', this.currPenState); + }; + + _proto3.insertChar = function insertChar(byte) { + if (byte >= 0x90) { + // Extended char + this.backSpace(); } - }, - // Return the value for a key, or a default value. - // If 'defaultKey' is passed then 'dflt' is assumed to be an object with - // a number of possible default values as properties where 'defaultKey' is - // the key of the property that will be chosen; otherwise it's assumed to be - // a single value. - get: function get(k, dflt, defaultKey) { - if (defaultKey) { - return this.has(k) ? this.values[k] : dflt[defaultKey]; + + var char = getCharForByte(byte); + + if (this.pos >= NR_COLS) { + cea_608_parser_logger.log('ERROR', 'Cannot insert ' + byte.toString(16) + ' (' + char + ') at position ' + this.pos + '. Skipping it!'); + return; + } + + this.chars[this.pos].setChar(char, this.currPenState); + this.moveCursor(1); + }; + + _proto3.clearFromPos = function clearFromPos(startPos) { + var i; + + for (i = startPos; i < NR_COLS; i++) { + this.chars[i].reset(); + } + }; + + _proto3.clear = function clear() { + this.clearFromPos(0); + this.pos = 0; + this.currPenState.reset(); + }; + + _proto3.clearToEndOfRow = function clearToEndOfRow() { + this.clearFromPos(this.pos); + }; + + _proto3.getTextString = function getTextString() { + var chars = []; + var empty = true; + + for (var i = 0; i < NR_COLS; i++) { + var char = this.chars[i].uchar; + + if (char !== ' ') { + empty = false; + } + + chars.push(char); + } + + if (empty) { + return ''; + } else { + return chars.join(''); + } + }; + + _proto3.setPenStyles = function setPenStyles(styles) { + this.currPenState.setStyles(styles); + var currChar = this.chars[this.pos]; + currChar.setPenState(this.currPenState); + }; + + return Row; +}(); +/** + * Keep a CEA-608 screen of 32x15 styled characters + * @constructor +*/ + +var CaptionScreen = +/*#__PURE__*/ +function () { + function CaptionScreen() { + this.rows = void 0; + this.currRow = void 0; + this.nrRollUpRows = void 0; + this.lastOutputScreen = void 0; + this.rows = []; + + for (var i = 0; i < NR_ROWS; i++) { + this.rows.push(new Row()); + } // Note that we use zero-based numbering (0-14) + + + this.currRow = NR_ROWS - 1; + this.nrRollUpRows = null; + this.reset(); + } + + var _proto4 = CaptionScreen.prototype; + + _proto4.reset = function reset() { + for (var i = 0; i < NR_ROWS; i++) { + this.rows[i].clear(); } - return this.has(k) ? this.values[k] : dflt; - }, - // Check whether we have a value for a key. - has: function has(k) { - return k in this.values; - }, - // Accept a setting if its one of the given alternatives. - alt: function alt(k, v, a) { - for (var n = 0; n < a.length; ++n) { - if (v === a[n]) { - this.set(k, v); + this.currRow = NR_ROWS - 1; + }; + + _proto4.equals = function equals(other) { + var equal = true; + + for (var i = 0; i < NR_ROWS; i++) { + if (!this.rows[i].equals(other.rows[i])) { + equal = false; break; } } - }, - // Accept a setting if its a valid (signed) integer. - integer: function integer(k, v) { - if (/^-?\d+$/.test(v)) { - // integer - this.set(k, parseInt(v, 10)); - } - }, - // Accept a setting if its a valid percentage. - percent: function percent(k, v) { - var m; - if (m = v.match(/^([\d]{1,3})(\.[\d]*)?%$/)) { - v = parseFloat(v); + return equal; + }; - if (v >= 0 && v <= 100) { - this.set(k, v); - return true; - } + _proto4.copy = function copy(other) { + for (var i = 0; i < NR_ROWS; i++) { + this.rows[i].copy(other.rows[i]); } + }; - return false; - } -}; // Helper function to parse input into groups separated by 'groupDelim', and -// interprete each group as a key/value pair separated by 'keyValueDelim'. - -function parseOptions(input, callback, keyValueDelim, groupDelim) { - var groups = groupDelim ? input.split(groupDelim) : [input]; + _proto4.isEmpty = function isEmpty() { + var empty = true; - for (var i in groups) { - if (typeof groups[i] !== 'string') { - continue; + for (var i = 0; i < NR_ROWS; i++) { + if (!this.rows[i].isEmpty()) { + empty = false; + break; + } } - var kv = groups[i].split(keyValueDelim); + return empty; + }; - if (kv.length !== 2) { - continue; - } + _proto4.backSpace = function backSpace() { + var row = this.rows[this.currRow]; + row.backSpace(); + }; - var k = kv[0]; - var v = kv[1]; - callback(k, v); + _proto4.clearToEndOfRow = function clearToEndOfRow() { + var row = this.rows[this.currRow]; + row.clearToEndOfRow(); } -} + /** + * Insert a character (without styling) in the current row. + */ + ; -var defaults = new vttcue(0, 0, 0); // 'middle' was changed to 'center' in the spec: https://github.com/w3c/webvtt/pull/244 -// Safari doesn't yet support this change, but FF and Chrome do. + _proto4.insertChar = function insertChar(char) { + var row = this.rows[this.currRow]; + row.insertChar(char); + }; -var center = defaults.align === 'middle' ? 'middle' : 'center'; + _proto4.setPen = function setPen(styles) { + var row = this.rows[this.currRow]; + row.setPenStyles(styles); + }; -function parseCue(input, cue, regionList) { - // Remember the original input if we need to throw an error. - var oInput = input; // 4.1 WebVTT timestamp + _proto4.moveCursor = function moveCursor(relPos) { + var row = this.rows[this.currRow]; + row.moveCursor(relPos); + }; - function consumeTimeStamp() { - var ts = parseTimeStamp(input); + _proto4.setCursor = function setCursor(absPos) { + cea_608_parser_logger.log('INFO', 'setCursor: ' + absPos); + var row = this.rows[this.currRow]; + row.setCursor(absPos); + }; - if (ts === null) { - throw new Error('Malformed timestamp: ' + oInput); - } // Remove time stamp from input. + _proto4.setPAC = function setPAC(pacData) { + cea_608_parser_logger.log('INFO', 'pacData = ' + JSON.stringify(pacData)); + var newRow = pacData.row - 1; + if (this.nrRollUpRows && newRow < this.nrRollUpRows - 1) { + newRow = this.nrRollUpRows - 1; + } // Make sure this only affects Roll-up Captions by checking this.nrRollUpRows - input = input.replace(/^[^\sa-zA-Z-]+/, ''); - return ts; - } // 4.4.2 WebVTT cue settings + if (this.nrRollUpRows && this.currRow !== newRow) { + // clear all rows first + for (var i = 0; i < NR_ROWS; i++) { + this.rows[i].clear(); + } // Copy this.nrRollUpRows rows from lastOutputScreen and place it in the newRow location + // topRowIndex - the start of rows to copy (inclusive index) - function consumeCueSettings(input, cue) { - var settings = new Settings(); - parseOptions(input, function (k, v) { - switch (k) { - case 'region': - // Find the last region we parsed with the same region id. - for (var i = regionList.length - 1; i >= 0; i--) { - if (regionList[i].id === v) { - settings.set(k, regionList[i].region); - break; - } - } - break; + var topRowIndex = this.currRow + 1 - this.nrRollUpRows; // We only copy if the last position was already shown. + // We use the cueStartTime value to check this. - case 'vertical': - settings.alt(k, v, ['rl', 'lr']); - break; + var lastOutputScreen = this.lastOutputScreen; - case 'line': - var vals = v.split(','), - vals0 = vals[0]; - settings.integer(k, vals0); + if (lastOutputScreen) { + var prevLineTime = lastOutputScreen.rows[topRowIndex].cueStartTime; - if (settings.percent(k, vals0)) { - settings.set('snapToLines', false); + if (prevLineTime && cea_608_parser_logger.time && prevLineTime < cea_608_parser_logger.time) { + for (var _i = 0; _i < this.nrRollUpRows; _i++) { + this.rows[newRow - this.nrRollUpRows + _i + 1].copy(lastOutputScreen.rows[topRowIndex + _i]); } + } + } + } - settings.alt(k, vals0, ['auto']); - - if (vals.length === 2) { - settings.alt('lineAlign', vals[1], ['start', center, 'end']); - } + this.currRow = newRow; + var row = this.rows[this.currRow]; - break; + if (pacData.indent !== null) { + var indent = pacData.indent; + var prevPos = Math.max(indent - 1, 0); + row.setCursor(pacData.indent); + pacData.color = row.chars[prevPos].penState.foreground; + } - case 'position': - vals = v.split(','); - settings.percent(k, vals[0]); + var styles = { + foreground: pacData.color, + underline: pacData.underline, + italics: pacData.italics, + background: 'black', + flash: false + }; + this.setPen(styles); + } + /** + * Set background/extra foreground, but first do back_space, and then insert space (backwards compatibility). + */ + ; - if (vals.length === 2) { - settings.alt('positionAlign', vals[1], ['start', center, 'end', 'line-left', 'line-right', 'auto']); - } + _proto4.setBkgData = function setBkgData(bkgData) { + cea_608_parser_logger.log('INFO', 'bkgData = ' + JSON.stringify(bkgData)); + this.backSpace(); + this.setPen(bkgData); + this.insertChar(0x20); // Space + }; - break; + _proto4.setRollUpRows = function setRollUpRows(nrRows) { + this.nrRollUpRows = nrRows; + }; - case 'size': - settings.percent(k, v); - break; + _proto4.rollUp = function rollUp() { + if (this.nrRollUpRows === null) { + cea_608_parser_logger.log('DEBUG', 'roll_up but nrRollUpRows not set yet'); + return; // Not properly setup + } - case 'align': - settings.alt(k, v, ['start', center, 'end', 'left', 'right']); - break; - } - }, /:/, /\s/); // Apply default values for any missing fields. + cea_608_parser_logger.log('TEXT', this.getDisplayText()); + var topRowIndex = this.currRow + 1 - this.nrRollUpRows; + var topRow = this.rows.splice(topRowIndex, 1)[0]; + topRow.clear(); + this.rows.splice(this.currRow, 0, topRow); + cea_608_parser_logger.log('INFO', 'Rolling up'); // logger.log('TEXT', this.get_display_text()) + } + /** + * Get all non-empty rows with as unicode text. + */ + ; - cue.region = settings.get('region', null); - cue.vertical = settings.get('vertical', ''); - var line = settings.get('line', 'auto'); + _proto4.getDisplayText = function getDisplayText(asOneRow) { + asOneRow = asOneRow || false; + var displayText = []; + var text = ''; + var rowNr = -1; - if (line === 'auto' && defaults.line === -1) { - // set numeric line number for Safari - line = -1; - } + for (var i = 0; i < NR_ROWS; i++) { + var rowText = this.rows[i].getTextString(); - cue.line = line; - cue.lineAlign = settings.get('lineAlign', 'start'); - cue.snapToLines = settings.get('snapToLines', true); - cue.size = settings.get('size', 100); - cue.align = settings.get('align', center); - var position = settings.get('position', 'auto'); + if (rowText) { + rowNr = i + 1; - if (position === 'auto' && defaults.position === 50) { - // set numeric position for Safari - position = cue.align === 'start' || cue.align === 'left' ? 0 : cue.align === 'end' || cue.align === 'right' ? 100 : 50; + if (asOneRow) { + displayText.push('Row ' + rowNr + ': \'' + rowText + '\''); + } else { + displayText.push(rowText.trim()); + } + } } - cue.position = position; - } - - function skipWhitespace() { - input = input.replace(/^\s+/, ''); - } // 4.1 WebVTT cue timings. + if (displayText.length > 0) { + if (asOneRow) { + text = '[' + displayText.join(' | ') + ']'; + } else { + text = displayText.join('\n'); + } + } + return text; + }; - skipWhitespace(); - cue.startTime = consumeTimeStamp(); // (1) collect cue start time + _proto4.getTextAndFormat = function getTextAndFormat() { + return this.rows; + }; - skipWhitespace(); + return CaptionScreen; +}(); // var modes = ['MODE_ROLL-UP', 'MODE_POP-ON', 'MODE_PAINT-ON', 'MODE_TEXT']; - if (input.substr(0, 3) !== '-->') { - // (3) next characters must match '-->' - throw new Error('Malformed time stamp (time stamps must be separated by \'-->\'): ' + oInput); +var Cea608Channel = +/*#__PURE__*/ +function () { + function Cea608Channel(channelNumber, outputFilter) { + this.chNr = void 0; + this.outputFilter = void 0; + this.mode = void 0; + this.verbose = void 0; + this.displayedMemory = void 0; + this.nonDisplayedMemory = void 0; + this.lastOutputScreen = void 0; + this.currRollUpRow = void 0; + this.writeScreen = void 0; + this.cueStartTime = void 0; + this.lastCueEndTime = void 0; + this.chNr = channelNumber; + this.outputFilter = outputFilter; + this.mode = null; + this.verbose = 0; + this.displayedMemory = new CaptionScreen(); + this.nonDisplayedMemory = new CaptionScreen(); + this.lastOutputScreen = new CaptionScreen(); + this.currRollUpRow = this.displayedMemory.rows[NR_ROWS - 1]; + this.writeScreen = this.displayedMemory; + this.mode = null; + this.cueStartTime = null; // Keeps track of where a cue started. } - input = input.substr(3); - skipWhitespace(); - cue.endTime = consumeTimeStamp(); // (5) collect cue end time - // 4.1 WebVTT cue settings list. - - skipWhitespace(); - consumeCueSettings(input, cue); -} + var _proto5 = Cea608Channel.prototype; -function fixLineBreaks(input) { - return input.replace(/<br(?: \/)?>/gi, '\n'); -} + _proto5.reset = function reset() { + this.mode = null; + this.displayedMemory.reset(); + this.nonDisplayedMemory.reset(); + this.lastOutputScreen.reset(); + this.currRollUpRow = this.displayedMemory.rows[NR_ROWS - 1]; + this.writeScreen = this.displayedMemory; + this.mode = null; + this.cueStartTime = null; + }; -VTTParser.prototype = { - parse: function parse(data) { - var self = this; // If there is no data then we won't decode it, but will just try to parse - // whatever is in buffer already. This may occur in circumstances, for - // example when flush() is called. + _proto5.getHandler = function getHandler() { + return this.outputFilter; + }; - if (data) { - // Try to decode the data that we received. - self.buffer += self.decoder.decode(data, { - stream: true - }); - } + _proto5.setHandler = function setHandler(newHandler) { + this.outputFilter = newHandler; + }; - function collectNextLine() { - var buffer = self.buffer; - var pos = 0; - buffer = fixLineBreaks(buffer); + _proto5.setPAC = function setPAC(pacData) { + this.writeScreen.setPAC(pacData); + }; - while (pos < buffer.length && buffer[pos] !== '\r' && buffer[pos] !== '\n') { - ++pos; - } + _proto5.setBkgData = function setBkgData(bkgData) { + this.writeScreen.setBkgData(bkgData); + }; - var line = buffer.substr(0, pos); // Advance the buffer early in case we fail below. + _proto5.setMode = function setMode(newMode) { + if (newMode === this.mode) { + return; + } - if (buffer[pos] === '\r') { - ++pos; - } + this.mode = newMode; + cea_608_parser_logger.log('INFO', 'MODE=' + newMode); - if (buffer[pos] === '\n') { - ++pos; - } + if (this.mode === 'MODE_POP-ON') { + this.writeScreen = this.nonDisplayedMemory; + } else { + this.writeScreen = this.displayedMemory; + this.writeScreen.reset(); + } - self.buffer = buffer.substr(pos); - return line; - } // 3.2 WebVTT metadata header syntax + if (this.mode !== 'MODE_ROLL-UP') { + this.displayedMemory.nrRollUpRows = null; + this.nonDisplayedMemory.nrRollUpRows = null; + } + this.mode = newMode; + }; - function parseHeader(input) { - parseOptions(input, function (k, v) { - switch (k) { - case 'Region': - // 3.3 WebVTT region metadata header syntax - // console.log('parse region', v); - // parseRegion(v); - break; - } - }, /:/); - } // 5.1 WebVTT file parsing. + _proto5.insertChars = function insertChars(chars) { + for (var i = 0; i < chars.length; i++) { + this.writeScreen.insertChar(chars[i]); + } + var screen = this.writeScreen === this.displayedMemory ? 'DISP' : 'NON_DISP'; + cea_608_parser_logger.log('INFO', screen + ': ' + this.writeScreen.getDisplayText(true)); - try { - var line; + if (this.mode === 'MODE_PAINT-ON' || this.mode === 'MODE_ROLL-UP') { + cea_608_parser_logger.log('TEXT', 'DISPLAYED: ' + this.displayedMemory.getDisplayText(true)); + this.outputDataUpdate(); + } + }; - if (self.state === 'INITIAL') { - // We can't start parsing until we have the first line. - if (!/\r\n|\n/.test(self.buffer)) { - return this; - } + _proto5.ccRCL = function ccRCL() { + // Resume Caption Loading (switch mode to Pop On) + cea_608_parser_logger.log('INFO', 'RCL - Resume Caption Loading'); + this.setMode('MODE_POP-ON'); + }; - line = collectNextLine(); // strip of UTF-8 BOM if any - // https://en.wikipedia.org/wiki/Byte_order_mark#UTF-8 + _proto5.ccBS = function ccBS() { + // BackSpace + cea_608_parser_logger.log('INFO', 'BS - BackSpace'); - var m = line.match(/^()?WEBVTT([ \t].*)?$/); + if (this.mode === 'MODE_TEXT') { + return; + } - if (!m || !m[0]) { - throw new Error('Malformed WebVTT signature.'); - } + this.writeScreen.backSpace(); - self.state = 'HEADER'; - } + if (this.writeScreen === this.displayedMemory) { + this.outputDataUpdate(); + } + }; - var alreadyCollectedLine = false; + _proto5.ccAOF = function ccAOF() {// Reserved (formerly Alarm Off) + }; - while (self.buffer) { - // We can't parse a line until we have the full line. - if (!/\r\n|\n/.test(self.buffer)) { - return this; - } + _proto5.ccAON = function ccAON() {// Reserved (formerly Alarm On) + }; - if (!alreadyCollectedLine) { - line = collectNextLine(); - } else { - alreadyCollectedLine = false; - } + _proto5.ccDER = function ccDER() { + // Delete to End of Row + cea_608_parser_logger.log('INFO', 'DER- Delete to End of Row'); + this.writeScreen.clearToEndOfRow(); + this.outputDataUpdate(); + }; - switch (self.state) { - case 'HEADER': - // 13-18 - Allow a header (metadata) under the WEBVTT line. - if (/:/.test(line)) { - parseHeader(line); - } else if (!line) { - // An empty line terminates the header and starts the body (cues). - self.state = 'ID'; - } + _proto5.ccRU = function ccRU(nrRows) { + // Roll-Up Captions-2,3,or 4 Rows + cea_608_parser_logger.log('INFO', 'RU(' + nrRows + ') - Roll Up'); + this.writeScreen = this.displayedMemory; + this.setMode('MODE_ROLL-UP'); + this.writeScreen.setRollUpRows(nrRows); + }; - continue; + _proto5.ccFON = function ccFON() { + // Flash On + cea_608_parser_logger.log('INFO', 'FON - Flash On'); + this.writeScreen.setPen({ + flash: true + }); + }; - case 'NOTE': - // Ignore NOTE blocks. - if (!line) { - self.state = 'ID'; - } + _proto5.ccRDC = function ccRDC() { + // Resume Direct Captioning (switch mode to PaintOn) + cea_608_parser_logger.log('INFO', 'RDC - Resume Direct Captioning'); + this.setMode('MODE_PAINT-ON'); + }; - continue; + _proto5.ccTR = function ccTR() { + // Text Restart in text mode (not supported, however) + cea_608_parser_logger.log('INFO', 'TR'); + this.setMode('MODE_TEXT'); + }; - case 'ID': - // Check for the start of NOTE blocks. - if (/^NOTE($|[ \t])/.test(line)) { - self.state = 'NOTE'; - break; - } // 19-29 - Allow any number of line terminators, then initialize new cue values. + _proto5.ccRTD = function ccRTD() { + // Resume Text Display in Text mode (not supported, however) + cea_608_parser_logger.log('INFO', 'RTD'); + this.setMode('MODE_TEXT'); + }; + _proto5.ccEDM = function ccEDM() { + // Erase Displayed Memory + cea_608_parser_logger.log('INFO', 'EDM - Erase Displayed Memory'); + this.displayedMemory.reset(); + this.outputDataUpdate(true); + }; - if (!line) { - continue; - } + _proto5.ccCR = function ccCR() { + // Carriage Return + cea_608_parser_logger.log('INFO', 'CR - Carriage Return'); + this.writeScreen.rollUp(); + this.outputDataUpdate(true); + }; - self.cue = new vttcue(0, 0, ''); - self.state = 'CUE'; // 30-39 - Check if self line contains an optional identifier or timing data. + _proto5.ccENM = function ccENM() { + // Erase Non-Displayed Memory + cea_608_parser_logger.log('INFO', 'ENM - Erase Non-displayed Memory'); + this.nonDisplayedMemory.reset(); + }; - if (line.indexOf('-->') === -1) { - self.cue.id = line; - continue; - } + _proto5.ccEOC = function ccEOC() { + // End of Caption (Flip Memories) + cea_608_parser_logger.log('INFO', 'EOC - End Of Caption'); - // Process line as start of a cue. + if (this.mode === 'MODE_POP-ON') { + var tmp = this.displayedMemory; + this.displayedMemory = this.nonDisplayedMemory; + this.nonDisplayedMemory = tmp; + this.writeScreen = this.nonDisplayedMemory; + cea_608_parser_logger.log('TEXT', 'DISP: ' + this.displayedMemory.getDisplayText()); + } - /* falls through */ + this.outputDataUpdate(true); + }; - case 'CUE': - // 40 - Collect cue timings and settings. - try { - parseCue(line, self.cue, self.regionList); - } catch (e) { - // In case of an error ignore rest of the cue. - self.cue = null; - self.state = 'BADCUE'; - continue; - } + _proto5.ccTO = function ccTO(nrCols) { + // Tab Offset 1,2, or 3 columns + cea_608_parser_logger.log('INFO', 'TO(' + nrCols + ') - Tab Offset'); + this.writeScreen.moveCursor(nrCols); + }; - self.state = 'CUETEXT'; - continue; + _proto5.ccMIDROW = function ccMIDROW(secondByte) { + // Parse MIDROW command + var styles = { + flash: false + }; + styles.underline = secondByte % 2 === 1; + styles.italics = secondByte >= 0x2e; - case 'CUETEXT': - var hasSubstring = line.indexOf('-->') !== -1; // 34 - If we have an empty line then report the cue. - // 35 - If we have the special substring '-->' then report the cue, - // but do not collect the line as we need to process the current - // one as a new cue. + if (!styles.italics) { + var colorIndex = Math.floor(secondByte / 2) - 0x10; + var colors = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta']; + styles.foreground = colors[colorIndex]; + } else { + styles.foreground = 'white'; + } - if (!line || hasSubstring && (alreadyCollectedLine = true)) { - // We are done parsing self cue. - if (self.oncue) { - self.oncue(self.cue); - } + cea_608_parser_logger.log('INFO', 'MIDROW: ' + JSON.stringify(styles)); + this.writeScreen.setPen(styles); + }; - self.cue = null; - self.state = 'ID'; - continue; - } + _proto5.outputDataUpdate = function outputDataUpdate(dispatch) { + if (dispatch === void 0) { + dispatch = false; + } - if (self.cue.text) { - self.cue.text += '\n'; - } + var t = cea_608_parser_logger.time; - self.cue.text += line; - continue; + if (t === null) { + return; + } - case 'BADCUE': - // BADCUE - // 54-62 - Collect and discard the remaining cue. - if (!line) { - self.state = 'ID'; - } + if (this.outputFilter) { + if (this.cueStartTime === null && !this.displayedMemory.isEmpty()) { + // Start of a new cue + this.cueStartTime = t; + } else { + if (!this.displayedMemory.equals(this.lastOutputScreen)) { + this.outputFilter.newCue(this.cueStartTime, t, this.lastOutputScreen); - continue; + if (dispatch && this.outputFilter.dispatchCue) { + this.outputFilter.dispatchCue(); + } + + this.cueStartTime = this.displayedMemory.isEmpty() ? null : t; } } - } catch (e) { - // If we are currently parsing a cue, report what we have. - if (self.state === 'CUETEXT' && self.cue && self.oncue) { - self.oncue(self.cue); - } - - self.cue = null; // Enter BADWEBVTT state if header was not parsed correctly otherwise - // another exception occurred so enter BADCUE state. - self.state = self.state === 'INITIAL' ? 'BADWEBVTT' : 'BADCUE'; + this.lastOutputScreen.copy(this.displayedMemory); } + }; - return this; - }, - flush: function flush() { - var self = this; - - try { - // Finish decoding the stream. - self.buffer += self.decoder.decode(); // Synthesize the end of the current cue or region. - - if (self.cue || self.state === 'HEADER') { - self.buffer += '\n\n'; - self.parse(); - } // If we've flushed, parsed, and we're still on the INITIAL state then - // that means we don't have enough of the stream to parse the first - // line. - + _proto5.cueSplitAtTime = function cueSplitAtTime(t) { + if (this.outputFilter) { + if (!this.displayedMemory.isEmpty()) { + if (this.outputFilter.newCue) { + this.outputFilter.newCue(this.cueStartTime, t, this.displayedMemory); + } - if (self.state === 'INITIAL') { - throw new Error('Malformed WebVTT signature.'); + this.cueStartTime = t; } - } catch (e) { - throw e; } + }; - if (self.onflush) { - self.onflush(); - } + return Cea608Channel; +}(); - return this; - } -}; +var Cea608Parser = +/*#__PURE__*/ +function () { + function Cea608Parser(field, out1, out2) { + this.field = void 0; + this.outputs = void 0; + this.channels = void 0; + this.currChNr = void 0; + this.lastCmdA = void 0; + this.lastCmdB = void 0; + this.lastTime = void 0; + this.dataCounters = void 0; + this.field = field || 1; + this.outputs = [out1, out2]; + this.channels = [new Cea608Channel(1, out1), new Cea608Channel(2, out2)]; + this.currChNr = -1; // Will be 1 or 2 -/* harmony default export */ var vttparser = (VTTParser); -// CONCATENATED MODULE: ./src/utils/cues.ts + this.lastCmdA = null; // First byte of last command -function newCue(track, startTime, endTime, captionScreen) { - var row; // the type data states this is VTTCue, but it can potentially be a TextTrackCue on old browsers + this.lastCmdB = null; // Second byte of last command - var cue; - var indenting; - var indent; - var text; - var VTTCue = window.VTTCue || TextTrackCue; + this.lastTime = null; + this.dataCounters = { + 'padding': 0, + 'char': 0, + 'cmd': 0, + 'other': 0 + }; + } - for (var r = 0; r < captionScreen.rows.length; r++) { - row = captionScreen.rows[r]; - indenting = true; - indent = 0; - text = ''; + var _proto6 = Cea608Parser.prototype; - if (!row.isEmpty()) { - for (var c = 0; c < row.chars.length; c++) { - if (row.chars[c].uchar.match(/\s/) && indenting) { - indent++; - } else { - text += row.chars[c].uchar; - indenting = false; - } - } // To be used for cleaning-up orphaned roll-up captions + _proto6.getHandler = function getHandler(index) { + return this.channels[index].getHandler(); + }; + + _proto6.setHandler = function setHandler(index, newHandler) { + this.channels[index].setHandler(newHandler); + } + /** + * Add data for time t in forms of list of bytes (unsigned ints). The bytes are treated as pairs. + */ + ; + _proto6.addData = function addData(t, byteList) { + var cmdFound, + a, + b, + charsFound = false; + this.lastTime = t; + cea_608_parser_logger.setTime(t); - row.cueStartTime = startTime; // Give a slight bump to the endTime if it's equal to startTime to avoid a SyntaxError in IE + for (var i = 0; i < byteList.length; i += 2) { + a = byteList[i] & 0x7f; + b = byteList[i + 1] & 0x7f; - if (startTime === endTime) { - endTime += 0.0001; + if (a === 0 && b === 0) { + this.dataCounters.padding += 2; + continue; + } else { + cea_608_parser_logger.log('DATA', '[' + numArrayToHexArray([byteList[i], byteList[i + 1]]) + '] -> (' + numArrayToHexArray([a, b]) + ')'); } - cue = new VTTCue(startTime, endTime, fixLineBreaks(text.trim())); + cmdFound = this.parseCmd(a, b); - if (indent >= 16) { - indent--; - } else { - indent++; - } // VTTCue.line get's flakey when using controls, so let's now include line 13&14 - // also, drop line 1 since it's to close to the top + if (!cmdFound) { + cmdFound = this.parseMidrow(a, b); + } + if (!cmdFound) { + cmdFound = this.parsePAC(a, b); + } - if (navigator.userAgent.match(/Firefox\//)) { - cue.line = r + 1; - } else { - cue.line = r > 7 ? r - 2 : r + 1; + if (!cmdFound) { + cmdFound = this.parseBackgroundAttributes(a, b); } - cue.align = 'left'; // Clamp the position between 0 and 100 - if out of these bounds, Firefox throws an exception and captions break + if (!cmdFound) { + charsFound = this.parseChars(a, b); - cue.position = Math.max(0, Math.min(100, 100 * (indent / 32))); - track.addCue(cue); - } - } -} -// CONCATENATED MODULE: ./src/utils/cea-608-parser.ts -/** - * - * This code was ported from the dash.js project at: - * https://github.com/Dash-Industry-Forum/dash.js/blob/development/externals/cea608-parser.js - * https://github.com/Dash-Industry-Forum/dash.js/commit/8269b26a761e0853bb21d78780ed945144ecdd4d#diff-71bc295a2d6b6b7093a1d3290d53a4b2 - * - * The original copyright appears below: - * - * The copyright in this software is being made available under the BSD License, - * included below. This software may be subject to other third party and contributor - * rights, including patent rights, and no such rights are granted under this license. - * - * Copyright (c) 2015-2016, DASH Industry Forum. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * 1. Redistributions of source code must retain the above copyright notice, this - * list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation and/or - * other materials provided with the distribution. - * 2. Neither the name of Dash Industry Forum nor the names of its - * contributors may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, - * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ + if (charsFound) { + if (this.currChNr && this.currChNr >= 0) { + var channel = this.channels[this.currChNr - 1]; + channel.insertChars(charsFound); + } else { + cea_608_parser_logger.log('WARNING', 'No channel found yet. TEXT-MODE?'); + } + } + } -/** - * Exceptions from regular ASCII. CodePoints are mapped to UTF-16 codes - */ -var specialCea608CharsCodes = { - 0x2a: 0xe1, - // lowercase a, acute accent - 0x5c: 0xe9, - // lowercase e, acute accent - 0x5e: 0xed, - // lowercase i, acute accent - 0x5f: 0xf3, - // lowercase o, acute accent - 0x60: 0xfa, - // lowercase u, acute accent - 0x7b: 0xe7, - // lowercase c with cedilla - 0x7c: 0xf7, - // division symbol - 0x7d: 0xd1, - // uppercase N tilde - 0x7e: 0xf1, - // lowercase n tilde - 0x7f: 0x2588, - // Full block - // THIS BLOCK INCLUDES THE 16 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS - // THAT COME FROM HI BYTE=0x11 AND LOW BETWEEN 0x30 AND 0x3F - // THIS MEANS THAT \x50 MUST BE ADDED TO THE VALUES - 0x80: 0xae, - // Registered symbol (R) - 0x81: 0xb0, - // degree sign - 0x82: 0xbd, - // 1/2 symbol - 0x83: 0xbf, - // Inverted (open) question mark - 0x84: 0x2122, - // Trademark symbol (TM) - 0x85: 0xa2, - // Cents symbol - 0x86: 0xa3, - // Pounds sterling - 0x87: 0x266a, - // Music 8'th note - 0x88: 0xe0, - // lowercase a, grave accent - 0x89: 0x20, - // transparent space (regular) - 0x8a: 0xe8, - // lowercase e, grave accent - 0x8b: 0xe2, - // lowercase a, circumflex accent - 0x8c: 0xea, - // lowercase e, circumflex accent - 0x8d: 0xee, - // lowercase i, circumflex accent - 0x8e: 0xf4, - // lowercase o, circumflex accent - 0x8f: 0xfb, - // lowercase u, circumflex accent - // THIS BLOCK INCLUDES THE 32 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS - // THAT COME FROM HI BYTE=0x12 AND LOW BETWEEN 0x20 AND 0x3F - 0x90: 0xc1, - // capital letter A with acute - 0x91: 0xc9, - // capital letter E with acute - 0x92: 0xd3, - // capital letter O with acute - 0x93: 0xda, - // capital letter U with acute - 0x94: 0xdc, - // capital letter U with diaresis - 0x95: 0xfc, - // lowercase letter U with diaeresis - 0x96: 0x2018, - // opening single quote - 0x97: 0xa1, - // inverted exclamation mark - 0x98: 0x2a, - // asterisk - 0x99: 0x2019, - // closing single quote - 0x9a: 0x2501, - // box drawings heavy horizontal - 0x9b: 0xa9, - // copyright sign - 0x9c: 0x2120, - // Service mark - 0x9d: 0x2022, - // (round) bullet - 0x9e: 0x201c, - // Left double quotation mark - 0x9f: 0x201d, - // Right double quotation mark - 0xa0: 0xc0, - // uppercase A, grave accent - 0xa1: 0xc2, - // uppercase A, circumflex - 0xa2: 0xc7, - // uppercase C with cedilla - 0xa3: 0xc8, - // uppercase E, grave accent - 0xa4: 0xca, - // uppercase E, circumflex - 0xa5: 0xcb, - // capital letter E with diaresis - 0xa6: 0xeb, - // lowercase letter e with diaresis - 0xa7: 0xce, - // uppercase I, circumflex - 0xa8: 0xcf, - // uppercase I, with diaresis - 0xa9: 0xef, - // lowercase i, with diaresis - 0xaa: 0xd4, - // uppercase O, circumflex - 0xab: 0xd9, - // uppercase U, grave accent - 0xac: 0xf9, - // lowercase u, grave accent - 0xad: 0xdb, - // uppercase U, circumflex - 0xae: 0xab, - // left-pointing double angle quotation mark - 0xaf: 0xbb, - // right-pointing double angle quotation mark - // THIS BLOCK INCLUDES THE 32 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS - // THAT COME FROM HI BYTE=0x13 AND LOW BETWEEN 0x20 AND 0x3F - 0xb0: 0xc3, - // Uppercase A, tilde - 0xb1: 0xe3, - // Lowercase a, tilde - 0xb2: 0xcd, - // Uppercase I, acute accent - 0xb3: 0xcc, - // Uppercase I, grave accent - 0xb4: 0xec, - // Lowercase i, grave accent - 0xb5: 0xd2, - // Uppercase O, grave accent - 0xb6: 0xf2, - // Lowercase o, grave accent - 0xb7: 0xd5, - // Uppercase O, tilde - 0xb8: 0xf5, - // Lowercase o, tilde - 0xb9: 0x7b, - // Open curly brace - 0xba: 0x7d, - // Closing curly brace - 0xbb: 0x5c, - // Backslash - 0xbc: 0x5e, - // Caret - 0xbd: 0x5f, - // Underscore - 0xbe: 0x7c, - // Pipe (vertical line) - 0xbf: 0x223c, - // Tilde operator - 0xc0: 0xc4, - // Uppercase A, umlaut - 0xc1: 0xe4, - // Lowercase A, umlaut - 0xc2: 0xd6, - // Uppercase O, umlaut - 0xc3: 0xf6, - // Lowercase o, umlaut - 0xc4: 0xdf, - // Esszett (sharp S) - 0xc5: 0xa5, - // Yen symbol - 0xc6: 0xa4, - // Generic currency sign - 0xc7: 0x2503, - // Box drawings heavy vertical - 0xc8: 0xc5, - // Uppercase A, ring - 0xc9: 0xe5, - // Lowercase A, ring - 0xca: 0xd8, - // Uppercase O, stroke - 0xcb: 0xf8, - // Lowercase o, strok - 0xcc: 0x250f, - // Box drawings heavy down and right - 0xcd: 0x2513, - // Box drawings heavy down and left - 0xce: 0x2517, - // Box drawings heavy up and right - 0xcf: 0x251b // Box drawings heavy up and left + if (cmdFound) { + this.dataCounters.cmd += 2; + } else if (charsFound) { + this.dataCounters.char += 2; + } else { + this.dataCounters.other += 2; + cea_608_parser_logger.log('WARNING', 'Couldn\'t parse cleaned data ' + numArrayToHexArray([a, b]) + ' orig: ' + numArrayToHexArray([byteList[i], byteList[i + 1]])); + } + } + } + /** + * Parse Command. + * @returns {Boolean} Tells if a command was found + */ + ; -}; -/** - * Utils - */ + _proto6.parseCmd = function parseCmd(a, b) { + var chNr = null; + var cond1 = (a === 0x14 || a === 0x1C) && b >= 0x20 && b <= 0x2F; + var cond2 = (a === 0x17 || a === 0x1F) && b >= 0x21 && b <= 0x23; -var getCharForByte = function getCharForByte(byte) { - var charCode = byte; + if (!(cond1 || cond2)) { + return false; + } - if (specialCea608CharsCodes.hasOwnProperty(byte)) { - charCode = specialCea608CharsCodes[byte]; + if (a === this.lastCmdA && b === this.lastCmdB) { + this.lastCmdA = null; + this.lastCmdB = null; // Repeated commands are dropped (once) + + cea_608_parser_logger.log('DEBUG', 'Repeated command (' + numArrayToHexArray([a, b]) + ') is dropped'); + return true; + } + + if (a === 0x14 || a === 0x17) { + chNr = 1; + } else { + chNr = 2; + } // (a === 0x1C || a=== 0x1f) + + + var channel = this.channels[chNr - 1]; + + if (a === 0x14 || a === 0x1C) { + if (b === 0x20) { + channel.ccRCL(); + } else if (b === 0x21) { + channel.ccBS(); + } else if (b === 0x22) { + channel.ccAOF(); + } else if (b === 0x23) { + channel.ccAON(); + } else if (b === 0x24) { + channel.ccDER(); + } else if (b === 0x25) { + channel.ccRU(2); + } else if (b === 0x26) { + channel.ccRU(3); + } else if (b === 0x27) { + channel.ccRU(4); + } else if (b === 0x28) { + channel.ccFON(); + } else if (b === 0x29) { + channel.ccRDC(); + } else if (b === 0x2A) { + channel.ccTR(); + } else if (b === 0x2B) { + channel.ccRTD(); + } else if (b === 0x2C) { + channel.ccEDM(); + } else if (b === 0x2D) { + channel.ccCR(); + } else if (b === 0x2E) { + channel.ccENM(); + } else if (b === 0x2F) { + channel.ccEOC(); + } + } else { + // a == 0x17 || a == 0x1F + channel.ccTO(b - 0x20); + } + + this.lastCmdA = a; + this.lastCmdB = b; + this.currChNr = chNr; + return true; } + /** + * Parse midrow styling command + * @returns {Boolean} + */ + ; - return String.fromCharCode(charCode); -}; + _proto6.parseMidrow = function parseMidrow(a, b) { + var chNr = null; -var NR_ROWS = 15, - NR_COLS = 100; // Tables to look up row from PAC data + if ((a === 0x11 || a === 0x19) && b >= 0x20 && b <= 0x2f) { + if (a === 0x11) { + chNr = 1; + } else { + chNr = 2; + } -var rowsLowCh1 = { - 0x11: 1, - 0x12: 3, - 0x15: 5, - 0x16: 7, - 0x17: 9, - 0x10: 11, - 0x13: 12, - 0x14: 14 -}; -var rowsHighCh1 = { - 0x11: 2, - 0x12: 4, - 0x15: 6, - 0x16: 8, - 0x17: 10, - 0x13: 13, - 0x14: 15 -}; -var rowsLowCh2 = { - 0x19: 1, - 0x1A: 3, - 0x1D: 5, - 0x1E: 7, - 0x1F: 9, - 0x18: 11, - 0x1B: 12, - 0x1C: 14 -}; -var rowsHighCh2 = { - 0x19: 2, - 0x1A: 4, - 0x1D: 6, - 0x1E: 8, - 0x1F: 10, - 0x1B: 13, - 0x1C: 15 -}; -var backgroundColors = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta', 'black', 'transparent']; -var VerboseFilter; -/** - * Simple logger class to be able to write with time-stamps and filter on level. - */ + if (chNr !== this.currChNr) { + cea_608_parser_logger.log('ERROR', 'Mismatch channel in midrow parsing'); + return false; + } -(function (VerboseFilter) { - VerboseFilter[VerboseFilter["ERROR"] = 0] = "ERROR"; - VerboseFilter[VerboseFilter["TEXT"] = 1] = "TEXT"; - VerboseFilter[VerboseFilter["WARNING"] = 2] = "WARNING"; - VerboseFilter[VerboseFilter["INFO"] = 2] = "INFO"; - VerboseFilter[VerboseFilter["DEBUG"] = 3] = "DEBUG"; - VerboseFilter[VerboseFilter["DATA"] = 3] = "DATA"; -})(VerboseFilter || (VerboseFilter = {})); + var channel = this.channels[chNr - 1]; + channel.ccMIDROW(b); + cea_608_parser_logger.log('DEBUG', 'MIDROW (' + numArrayToHexArray([a, b]) + ')'); + return true; + } -var cea_608_parser_logger = { - verboseFilter: { - 'DATA': 3, - 'DEBUG': 3, - 'INFO': 2, - 'WARNING': 2, - 'TEXT': 1, - 'ERROR': 0 - }, - time: null, - verboseLevel: 0, - // Only write errors - setTime: function setTime(newTime) { - this.time = newTime; - }, - log: function log(severity, msg) { - var minLevel = this.verboseFilter[severity]; + return false; + } + /** + * Parse Preable Access Codes (Table 53). + * @returns {Boolean} Tells if PAC found + */ + ; - if (this.verboseLevel >= minLevel) {// console.log(this.time + ' [' + severity + '] ' + msg); + _proto6.parsePAC = function parsePAC(a, b) { + var chNr = null; + var row = null; + var case1 = (a >= 0x11 && a <= 0x17 || a >= 0x19 && a <= 0x1F) && b >= 0x40 && b <= 0x7F; + var case2 = (a === 0x10 || a === 0x18) && b >= 0x40 && b <= 0x5F; + + if (!(case1 || case2)) { + return false; + } + + if (a === this.lastCmdA && b === this.lastCmdB) { + this.lastCmdA = null; + this.lastCmdB = null; + return true; // Repeated commands are dropped (once) + } + + chNr = a <= 0x17 ? 1 : 2; + + if (b >= 0x40 && b <= 0x5F) { + row = chNr === 1 ? rowsLowCh1[a] : rowsLowCh2[a]; + } else { + // 0x60 <= b <= 0x7F + row = chNr === 1 ? rowsHighCh1[a] : rowsHighCh2[a]; + } + + var pacData = this.interpretPAC(row, b); + var channel = this.channels[chNr - 1]; + channel.setPAC(pacData); + this.lastCmdA = a; + this.lastCmdB = b; + this.currChNr = chNr; + return true; + } + /** + * Interpret the second byte of the pac, and return the information. + * @returns {Object} pacData with style parameters. + */ + ; + + _proto6.interpretPAC = function interpretPAC(row, byte) { + var pacIndex = byte; + var pacData = { + color: null, + italics: false, + indent: null, + underline: false, + row: row + }; + + if (byte > 0x5F) { + pacIndex = byte - 0x60; + } else { + pacIndex = byte - 0x40; + } + + pacData.underline = (pacIndex & 1) === 1; + + if (pacIndex <= 0xd) { + pacData.color = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta', 'white'][Math.floor(pacIndex / 2)]; + } else if (pacIndex <= 0xf) { + pacData.italics = true; + pacData.color = 'white'; + } else { + pacData.indent = Math.floor((pacIndex - 0x10) / 2) * 4; } + + return pacData; // Note that row has zero offset. The spec uses 1. } -}; + /** + * Parse characters. + * @returns An array with 1 to 2 codes corresponding to chars, if found. null otherwise. + */ + ; -var numArrayToHexArray = function numArrayToHexArray(numArray) { - var hexArray = []; + _proto6.parseChars = function parseChars(a, b) { + var channelNr = null, + charCodes = null, + charCode1 = null; - for (var j = 0; j < numArray.length; j++) { - hexArray.push(numArray[j].toString(16)); - } + if (a >= 0x19) { + channelNr = 2; + charCode1 = a - 8; + } else { + channelNr = 1; + charCode1 = a; + } - return hexArray; -}; + if (charCode1 >= 0x11 && charCode1 <= 0x13) { + // Special character + var oneCode = b; -var PenState = -/*#__PURE__*/ -function () { - function PenState(foreground, underline, italics, background, flash) { - this.foreground = void 0; - this.underline = void 0; - this.italics = void 0; - this.background = void 0; - this.flash = void 0; - this.foreground = foreground || 'white'; - this.underline = underline || false; - this.italics = italics || false; - this.background = background || 'black'; - this.flash = flash || false; + if (charCode1 === 0x11) { + oneCode = b + 0x50; + } else if (charCode1 === 0x12) { + oneCode = b + 0x70; + } else { + oneCode = b + 0x90; + } + + cea_608_parser_logger.log('INFO', 'Special char \'' + getCharForByte(oneCode) + '\' in channel ' + channelNr); + charCodes = [oneCode]; + } else if (a >= 0x20 && a <= 0x7f) { + charCodes = b === 0 ? [a] : [a, b]; + } + + if (charCodes) { + var hexCodes = numArrayToHexArray(charCodes); + cea_608_parser_logger.log('DEBUG', 'Char codes = ' + hexCodes.join(',')); + this.lastCmdA = null; + this.lastCmdB = null; + } + + return charCodes; } + /** + * Parse extended background attributes as well as new foreground color black. + * @returns {Boolean} Tells if background attributes are found + */ + ; - var _proto = PenState.prototype; + _proto6.parseBackgroundAttributes = function parseBackgroundAttributes(a, b) { + var bkgData, index, chNr, channel; + var case1 = (a === 0x10 || a === 0x18) && b >= 0x20 && b <= 0x2f; + var case2 = (a === 0x17 || a === 0x1f) && b >= 0x2d && b <= 0x2f; - _proto.reset = function reset() { - this.foreground = 'white'; - this.underline = false; - this.italics = false; - this.background = 'black'; - this.flash = false; - }; + if (!(case1 || case2)) { + return false; + } - _proto.setStyles = function setStyles(styles) { - var attribs = ['foreground', 'underline', 'italics', 'background', 'flash']; + bkgData = {}; - for (var i = 0; i < attribs.length; i++) { - var style = attribs[i]; + if (a === 0x10 || a === 0x18) { + index = Math.floor((b - 0x20) / 2); + bkgData.background = backgroundColors[index]; - if (styles.hasOwnProperty(style)) { - this[style] = styles[style]; + if (b % 2 === 1) { + bkgData.background = bkgData.background + '_semi'; + } + } else if (b === 0x2d) { + bkgData.background = 'transparent'; + } else { + bkgData.foreground = 'black'; + + if (b === 0x2f) { + bkgData.underline = true; } } - }; - _proto.isDefault = function isDefault() { - return this.foreground === 'white' && !this.underline && !this.italics && this.background === 'black' && !this.flash; - }; + chNr = a < 0x18 ? 1 : 2; + channel = this.channels[chNr - 1]; + channel.setBkgData(bkgData); + this.lastCmdA = null; + this.lastCmdB = null; + return true; + } + /** + * Reset state of parser and its channels. + */ + ; - _proto.equals = function equals(other) { - return this.foreground === other.foreground && this.underline === other.underline && this.italics === other.italics && this.background === other.background && this.flash === other.flash; - }; + _proto6.reset = function reset() { + for (var i = 0; i < this.channels.length; i++) { + if (this.channels[i]) { + this.channels[i].reset(); + } + } - _proto.copy = function copy(newPenState) { - this.foreground = newPenState.foreground; - this.underline = newPenState.underline; - this.italics = newPenState.italics; - this.background = newPenState.background; - this.flash = newPenState.flash; - }; + this.lastCmdA = null; + this.lastCmdB = null; + } + /** + * Trigger the generation of a cue, and the start of a new one if displayScreens are not empty. + */ + ; - _proto.toString = function toString() { - return 'color=' + this.foreground + ', underline=' + this.underline + ', italics=' + this.italics + ', background=' + this.background + ', flash=' + this.flash; + _proto6.cueSplitAtTime = function cueSplitAtTime(t) { + for (var i = 0; i < this.channels.length; i++) { + if (this.channels[i]) { + this.channels[i].cueSplitAtTime(t); + } + } }; - return PenState; + return Cea608Parser; }(); -/** - * Unicode character with styling and background. - * @constructor - */ - -var StyledUnicodeChar = +/* harmony default export */ var cea_608_parser = (Cea608Parser); +// CONCATENATED MODULE: ./src/utils/output-filter.ts +var OutputFilter = /*#__PURE__*/ function () { - function StyledUnicodeChar(uchar, foreground, underline, italics, background, flash) { - this.uchar = void 0; - this.penState = void 0; - this.uchar = uchar || ' '; // unicode character - - this.penState = new PenState(foreground, underline, italics, background, flash); + // TODO(typescript-timelineController) + function OutputFilter(timelineController, trackName) { + this.timelineController = void 0; + this.trackName = void 0; + this.startTime = void 0; + this.endTime = void 0; + this.screen = void 0; + this.timelineController = timelineController; + this.trackName = trackName; + this.startTime = null; + this.endTime = null; + this.screen = null; } - var _proto2 = StyledUnicodeChar.prototype; - - _proto2.reset = function reset() { - this.uchar = ' '; - this.penState.reset(); - }; - - _proto2.setChar = function setChar(uchar, newPenState) { - this.uchar = uchar; - this.penState.copy(newPenState); - }; + var _proto = OutputFilter.prototype; - _proto2.setPenState = function setPenState(newPenState) { - this.penState.copy(newPenState); - }; + _proto.dispatchCue = function dispatchCue() { + if (this.startTime === null) { + return; + } - _proto2.equals = function equals(other) { - return this.uchar === other.uchar && this.penState.equals(other.penState); + this.timelineController.addCues(this.trackName, this.startTime, this.endTime, this.screen); + this.startTime = null; }; - _proto2.copy = function copy(newChar) { - this.uchar = newChar.uchar; - this.penState.copy(newChar.penState); - }; + _proto.newCue = function newCue(startTime, endTime, screen) { + if (this.startTime === null || this.startTime > startTime) { + this.startTime = startTime; + } - _proto2.isEmpty = function isEmpty() { - return this.uchar === ' ' && this.penState.isDefault(); + this.endTime = endTime; + this.screen = screen; + this.timelineController.createCaptionsTrack(this.trackName); }; - return StyledUnicodeChar; + return OutputFilter; }(); -/** - * CEA-608 row consisting of NR_COLS instances of StyledUnicodeChar. - * @constructor - */ -var Row = -/*#__PURE__*/ -function () { - function Row() { - this.chars = void 0; - this.pos = void 0; - this.currPenState = void 0; - this.cueStartTime = void 0; - this.chars = []; +// EXTERNAL MODULE: ./src/utils/timescale-conversion.ts +var timescale_conversion = __webpack_require__("./src/utils/timescale-conversion.ts"); - for (var i = 0; i < NR_COLS; i++) { - this.chars.push(new StyledUnicodeChar()); - } +// EXTERNAL MODULE: ./src/remux/mp4-remuxer.js + 2 modules +var mp4_remuxer = __webpack_require__("./src/remux/mp4-remuxer.js"); + +// CONCATENATED MODULE: ./src/utils/webvtt-parser.ts - this.pos = 0; - this.currPenState = new PenState(); - } - var _proto3 = Row.prototype; - _proto3.equals = function equals(other) { - var equal = true; - for (var i = 0; i < NR_COLS; i++) { - if (!this.chars[i].equals(other.chars[i])) { - equal = false; - break; - } - } - return equal; - }; - _proto3.copy = function copy(other) { - for (var i = 0; i < NR_COLS; i++) { - this.chars[i].copy(other.chars[i]); - } - }; - _proto3.isEmpty = function isEmpty() { - var empty = true; - for (var i = 0; i < NR_COLS; i++) { - if (!this.chars[i].isEmpty()) { - empty = false; - break; - } - } +var LINEBREAKS = /\r\n|\n\r|\n|\r/g; // String.prototype.startsWith is not supported in IE11 - return empty; +var startsWith = function startsWith(inputString, searchString, position) { + if (position === void 0) { + position = 0; } - /** - * Set the cursor to a valid column. - */ - ; - _proto3.setCursor = function setCursor(absPos) { - if (this.pos !== absPos) { - this.pos = absPos; - } + return inputString.substr(position, searchString.length) === searchString; +}; - if (this.pos < 0) { - cea_608_parser_logger.log('ERROR', 'Negative cursor position ' + this.pos); - this.pos = 0; - } else if (this.pos > NR_COLS) { - cea_608_parser_logger.log('ERROR', 'Too large cursor position ' + this.pos); - this.pos = NR_COLS; - } +var webvtt_parser_cueString2millis = function cueString2millis(timeString) { + var ts = parseInt(timeString.substr(-3)); + var secs = parseInt(timeString.substr(-6, 2)); + var mins = parseInt(timeString.substr(-9, 2)); + var hours = timeString.length > 9 ? parseInt(timeString.substr(0, timeString.indexOf(':'))) : 0; + + if (!Object(number_isFinite["isFiniteNumber"])(ts) || !Object(number_isFinite["isFiniteNumber"])(secs) || !Object(number_isFinite["isFiniteNumber"])(mins) || !Object(number_isFinite["isFiniteNumber"])(hours)) { + throw Error("Malformed X-TIMESTAMP-MAP: Local:" + timeString); } - /** - * Move the cursor relative to current position. - */ - ; - _proto3.moveCursor = function moveCursor(relPos) { - var newPos = this.pos + relPos; + ts += 1000 * secs; + ts += 60 * 1000 * mins; + ts += 60 * 60 * 1000 * hours; + return ts; +}; // From https://github.com/darkskyapp/string-hash - if (relPos > 1) { - for (var i = this.pos + 1; i < newPos + 1; i++) { - this.chars[i].setPenState(this.currPenState); - } - } - this.setCursor(newPos); +var hash = function hash(text) { + var hash = 5381; + var i = text.length; + + while (i) { + hash = hash * 33 ^ text.charCodeAt(--i); } - /** - * Backspace, move one step back and clear character. - */ - ; - _proto3.backSpace = function backSpace() { - this.moveCursor(-1); - this.chars[this.pos].setChar(' ', this.currPenState); - }; + return (hash >>> 0).toString(); +}; // Create a unique hash id for a cue based on start/end times and text. +// This helps timeline-controller to avoid showing repeated captions. - _proto3.insertChar = function insertChar(byte) { - if (byte >= 0x90) { - // Extended char - this.backSpace(); - } - var char = getCharForByte(byte); +function generateCueId(startTime, endTime, text) { + return hash(startTime.toString()) + hash(endTime.toString()) + hash(text); +} - if (this.pos >= NR_COLS) { - cea_608_parser_logger.log('ERROR', 'Cannot insert ' + byte.toString(16) + ' (' + char + ') at position ' + this.pos + '. Skipping it!'); - return; - } +var calculateOffset = function calculateOffset(vttCCs, cc, presentationTime) { + var currCC = vttCCs[cc]; + var prevCC = vttCCs[currCC.prevCC]; // This is the first discontinuity or cues have been processed since the last discontinuity + // Offset = current discontinuity time - this.chars[this.pos].setChar(char, this.currPenState); - this.moveCursor(1); - }; + if (!prevCC || !prevCC.new && currCC.new) { + vttCCs.ccOffset = vttCCs.presentationOffset = currCC.start; + currCC.new = false; + return; + } // There have been discontinuities since cues were last parsed. + // Offset = time elapsed - _proto3.clearFromPos = function clearFromPos(startPos) { - var i; - for (i = startPos; i < NR_COLS; i++) { - this.chars[i].reset(); + while (prevCC && prevCC.new) { + vttCCs.ccOffset += currCC.start - prevCC.start; + currCC.new = false; + currCC = prevCC; + prevCC = vttCCs[currCC.prevCC]; + } + + vttCCs.presentationOffset = presentationTime; +}; + +function parseWebVTT(vttByteArray, initPTS, timescale, vttCCs, cc, timeOffset, callBack, errorCallBack) { + var parser = new vttparser(); // Convert byteArray into string, replacing any somewhat exotic linefeeds with "\n", then split on that character. + // Uint8Array.prototype.reduce is not implemented in IE11 + + var vttLines = Object(id3["utf8ArrayToStr"])(new Uint8Array(vttByteArray)).trim().replace(LINEBREAKS, '\n').split('\n'); + var cues = []; + var initPTS90Hz = Object(timescale_conversion["toMpegTsClockFromTimescale"])(initPTS, timescale); + var cueTime = '00:00.000'; + var timestampMapMPEGTS = 0; + var timestampMapLOCAL = 0; + var parsingError; + var inHeader = true; + var timestampMap = false; + + parser.oncue = function (cue) { + // Adjust cue timing; clamp cues to start no earlier than - and drop cues that don't end after - 0 on timeline. + var currCC = vttCCs[cc]; + var cueOffset = vttCCs.ccOffset; // Calculate subtitle PTS offset + + var webVttMpegTsMapOffset = (timestampMapMPEGTS - initPTS90Hz) / 90000; // Update offsets for new discontinuities + + if (currCC && currCC.new) { + if (timestampMapLOCAL !== undefined) { + // When local time is provided, offset = discontinuity start time - local time + cueOffset = vttCCs.ccOffset = currCC.start; + } else { + calculateOffset(vttCCs, cc, webVttMpegTsMapOffset); + } } - }; - _proto3.clear = function clear() { - this.clearFromPos(0); - this.pos = 0; - this.currPenState.reset(); - }; + if (webVttMpegTsMapOffset) { + // If we have MPEGTS, offset = presentation time + discontinuity offset + cueOffset = webVttMpegTsMapOffset - vttCCs.presentationOffset; + } - _proto3.clearToEndOfRow = function clearToEndOfRow() { - this.clearFromPos(this.pos); - }; + if (timestampMap) { + var duration = cue.endTime - cue.startTime; + var startTime = Object(mp4_remuxer["normalizePts"])((cue.startTime + cueOffset - timestampMapLOCAL) * 90000, timeOffset * 90000) / 90000; + cue.startTime = startTime; + cue.endTime = startTime + duration; + } //trim trailing webvtt block whitespaces - _proto3.getTextString = function getTextString() { - var chars = []; - var empty = true; - for (var i = 0; i < NR_COLS; i++) { - var char = this.chars[i].uchar; + var text = cue.text.trim(); // Fix encoding of special characters - if (char !== ' ') { - empty = false; - } + cue.text = decodeURIComponent(encodeURIComponent(text)); // If the cue was not assigned an id from the VTT file (line above the content), create one. - chars.push(char); + if (!cue.id) { + cue.id = generateCueId(cue.startTime, cue.endTime, text); } - if (empty) { - return ''; - } else { - return chars.join(''); + if (cue.endTime > 0) { + cues.push(cue); } }; - _proto3.setPenStyles = function setPenStyles(styles) { - this.currPenState.setStyles(styles); - var currChar = this.chars[this.pos]; - currChar.setPenState(this.currPenState); + parser.onparsingerror = function (error) { + parsingError = error; }; - return Row; -}(); -/** - * Keep a CEA-608 screen of 32x15 styled characters - * @constructor -*/ + parser.onflush = function () { + if (parsingError) { + errorCallBack(parsingError); + return; + } -var CaptionScreen = -/*#__PURE__*/ -function () { - function CaptionScreen() { - this.rows = void 0; - this.currRow = void 0; - this.nrRollUpRows = void 0; - this.lastOutputScreen = void 0; - this.rows = []; + callBack(cues); + }; // Go through contents line by line. - for (var i = 0; i < NR_ROWS; i++) { - this.rows.push(new Row()); - } // Note that we use zero-based numbering (0-14) + vttLines.forEach(function (line) { + if (inHeader) { + // Look for X-TIMESTAMP-MAP in header. + if (startsWith(line, 'X-TIMESTAMP-MAP=')) { + // Once found, no more are allowed anyway, so stop searching. + inHeader = false; + timestampMap = true; // Extract LOCAL and MPEGTS. - this.currRow = NR_ROWS - 1; - this.nrRollUpRows = null; - this.reset(); - } + line.substr(16).split(',').forEach(function (timestamp) { + if (startsWith(timestamp, 'LOCAL:')) { + cueTime = timestamp.substr(6); + } else if (startsWith(timestamp, 'MPEGTS:')) { + timestampMapMPEGTS = parseInt(timestamp.substr(7)); + } + }); - var _proto4 = CaptionScreen.prototype; + try { + // Convert cue time to seconds + timestampMapLOCAL = webvtt_parser_cueString2millis(cueTime) / 1000; + } catch (error) { + timestampMap = false; + parsingError = error; + } // Return without parsing X-TIMESTAMP-MAP line. - _proto4.reset = function reset() { - for (var i = 0; i < NR_ROWS; i++) { - this.rows[i].clear(); - } - this.currRow = NR_ROWS - 1; - }; + return; + } else if (line === '') { + inHeader = false; + } + } // Parse line by default. - _proto4.equals = function equals(other) { - var equal = true; - for (var i = 0; i < NR_ROWS; i++) { - if (!this.rows[i].equals(other.rows[i])) { - equal = false; - break; - } - } + parser.parse(line + '\n'); + }); + parser.flush(); +} +// CONCATENATED MODULE: ./src/controller/timeline-controller.ts - return equal; - }; - _proto4.copy = function copy(other) { - for (var i = 0; i < NR_ROWS; i++) { - this.rows[i].copy(other.rows[i]); - } - }; - _proto4.isEmpty = function isEmpty() { - var empty = true; +function timeline_controller_assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } - for (var i = 0; i < NR_ROWS; i++) { - if (!this.rows[i].isEmpty()) { - empty = false; - break; - } - } +function timeline_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } - return empty; - }; - _proto4.backSpace = function backSpace() { - var row = this.rows[this.currRow]; - row.backSpace(); - }; - _proto4.clearToEndOfRow = function clearToEndOfRow() { - var row = this.rows[this.currRow]; - row.clearToEndOfRow(); - } - /** - * Insert a character (without styling) in the current row. - */ - ; - _proto4.insertChar = function insertChar(char) { - var row = this.rows[this.currRow]; - row.insertChar(char); - }; - _proto4.setPen = function setPen(styles) { - var row = this.rows[this.currRow]; - row.setPenStyles(styles); - }; - _proto4.moveCursor = function moveCursor(relPos) { - var row = this.rows[this.currRow]; - row.moveCursor(relPos); - }; - _proto4.setCursor = function setCursor(absPos) { - cea_608_parser_logger.log('INFO', 'setCursor: ' + absPos); - var row = this.rows[this.currRow]; - row.setCursor(absPos); - }; - _proto4.setPAC = function setPAC(pacData) { - cea_608_parser_logger.log('INFO', 'pacData = ' + JSON.stringify(pacData)); - var newRow = pacData.row - 1; - if (this.nrRollUpRows && newRow < this.nrRollUpRows - 1) { - newRow = this.nrRollUpRows - 1; - } // Make sure this only affects Roll-up Captions by checking this.nrRollUpRows +// TS todo: Reduce usage of any +var timeline_controller_TimelineController = +/*#__PURE__*/ +function (_EventHandler) { + timeline_controller_inheritsLoose(TimelineController, _EventHandler); + + function TimelineController(hls) { + var _this; + + _this = _EventHandler.call(this, hls, events["default"].MEDIA_ATTACHING, events["default"].MEDIA_DETACHING, events["default"].FRAG_PARSING_USERDATA, events["default"].FRAG_DECRYPTED, events["default"].MANIFEST_LOADING, events["default"].MANIFEST_LOADED, events["default"].FRAG_LOADED, events["default"].INIT_PTS_FOUND) || this; + _this.media = null; + _this.config = void 0; + _this.enabled = true; + _this.Cues = void 0; + _this.textTracks = []; + _this.tracks = []; + _this.initPTS = []; + _this.timescale = []; + _this.unparsedVttFrags = []; + _this.cueRanges = []; + _this.captionsTracks = {}; + _this.captionsProperties = void 0; + _this.cea608Parser = void 0; + _this.lastSn = -1; + _this.prevCC = -1; + _this.vttCCs = null; + _this.hls = hls; + _this.config = hls.config; + _this.Cues = hls.config.cueHandler; + _this.captionsProperties = { + textTrack1: { + label: _this.config.captionsTextTrack1Label, + languageCode: _this.config.captionsTextTrack1LanguageCode + }, + textTrack2: { + label: _this.config.captionsTextTrack2Label, + languageCode: _this.config.captionsTextTrack2LanguageCode + } + }; + if (_this.config.enableCEA708Captions) { + var channel1 = new OutputFilter(timeline_controller_assertThisInitialized(_this), 'textTrack1'); + var channel2 = new OutputFilter(timeline_controller_assertThisInitialized(_this), 'textTrack2'); + _this.cea608Parser = new cea_608_parser(0, channel1, channel2); + } - if (this.nrRollUpRows && this.currRow !== newRow) { - // clear all rows first - for (var i = 0; i < NR_ROWS; i++) { - this.rows[i].clear(); - } // Copy this.nrRollUpRows rows from lastOutputScreen and place it in the newRow location - // topRowIndex - the start of rows to copy (inclusive index) + return _this; + } + var _proto = TimelineController.prototype; - var topRowIndex = this.currRow + 1 - this.nrRollUpRows; // We only copy if the last position was already shown. - // We use the cueStartTime value to check this. + _proto.addCues = function addCues(trackName, startTime, endTime, screen) { + // skip cues which overlap more than 50% with previously parsed time ranges + var ranges = this.cueRanges; + var merged = false; - var lastOutputScreen = this.lastOutputScreen; + for (var i = ranges.length; i--;) { + var cueRange = ranges[i]; + var overlap = intersection(cueRange[0], cueRange[1], startTime, endTime); - if (lastOutputScreen) { - var prevLineTime = lastOutputScreen.rows[topRowIndex].cueStartTime; + if (overlap >= 0) { + cueRange[0] = Math.min(cueRange[0], startTime); + cueRange[1] = Math.max(cueRange[1], endTime); + merged = true; - if (prevLineTime && cea_608_parser_logger.time && prevLineTime < cea_608_parser_logger.time) { - for (var _i = 0; _i < this.nrRollUpRows; _i++) { - this.rows[newRow - this.nrRollUpRows + _i + 1].copy(lastOutputScreen.rows[topRowIndex + _i]); - } + if (overlap / (endTime - startTime) > 0.5) { + return; } } } - this.currRow = newRow; - var row = this.rows[this.currRow]; - - if (pacData.indent !== null) { - var indent = pacData.indent; - var prevPos = Math.max(indent - 1, 0); - row.setCursor(pacData.indent); - pacData.color = row.chars[prevPos].penState.foreground; + if (!merged) { + ranges.push([startTime, endTime]); } - var styles = { - foreground: pacData.color, - underline: pacData.underline, - italics: pacData.italics, - background: 'black', - flash: false - }; - this.setPen(styles); - } - /** - * Set background/extra foreground, but first do back_space, and then insert space (backwards compatibility). - */ + this.Cues.newCue(this.captionsTracks[trackName], startTime, endTime, screen); + } // Triggered when an initial PTS is found; used for synchronisation of WebVTT. ; - _proto4.setBkgData = function setBkgData(bkgData) { - cea_608_parser_logger.log('INFO', 'bkgData = ' + JSON.stringify(bkgData)); - this.backSpace(); - this.setPen(bkgData); - this.insertChar(0x20); // Space - }; + _proto.onInitPtsFound = function onInitPtsFound(data) { + var _this2 = this; - _proto4.setRollUpRows = function setRollUpRows(nrRows) { - this.nrRollUpRows = nrRows; - }; + var frag = data.frag, + id = data.id, + initPTS = data.initPTS, + timescale = data.timescale; + var unparsedVttFrags = this.unparsedVttFrags; - _proto4.rollUp = function rollUp() { - if (this.nrRollUpRows === null) { - cea_608_parser_logger.log('DEBUG', 'roll_up but nrRollUpRows not set yet'); - return; // Not properly setup - } + if (id === 'main') { + this.initPTS[frag.cc] = initPTS; + this.timescale[frag.cc] = timescale; + } // Due to asynchronous processing, initial PTS may arrive later than the first VTT fragments are loaded. + // Parse any unparsed fragments upon receiving the initial PTS. - cea_608_parser_logger.log('TEXT', this.getDisplayText()); - var topRowIndex = this.currRow + 1 - this.nrRollUpRows; - var topRow = this.rows.splice(topRowIndex, 1)[0]; - topRow.clear(); - this.rows.splice(this.currRow, 0, topRow); - cea_608_parser_logger.log('INFO', 'Rolling up'); // logger.log('TEXT', this.get_display_text()) - } - /** - * Get all non-empty rows with as unicode text. - */ - ; - _proto4.getDisplayText = function getDisplayText(asOneRow) { - asOneRow = asOneRow || false; - var displayText = []; - var text = ''; - var rowNr = -1; + if (unparsedVttFrags.length) { + this.unparsedVttFrags = []; + unparsedVttFrags.forEach(function (frag) { + _this2.onFragLoaded(frag); + }); + } + }; - for (var i = 0; i < NR_ROWS; i++) { - var rowText = this.rows[i].getTextString(); + _proto.getExistingTrack = function getExistingTrack(trackName) { + var media = this.media; - if (rowText) { - rowNr = i + 1; + if (media) { + for (var i = 0; i < media.textTracks.length; i++) { + var textTrack = media.textTracks[i]; - if (asOneRow) { - displayText.push('Row ' + rowNr + ': \'' + rowText + '\''); - } else { - displayText.push(rowText.trim()); + if (textTrack[trackName]) { + return textTrack; } } } - if (displayText.length > 0) { - if (asOneRow) { - text = '[' + displayText.join(' | ') + ']'; - } else { - text = displayText.join('\n'); - } - } - - return text; - }; - - _proto4.getTextAndFormat = function getTextAndFormat() { - return this.rows; + return null; }; - return CaptionScreen; -}(); // var modes = ['MODE_ROLL-UP', 'MODE_POP-ON', 'MODE_PAINT-ON', 'MODE_TEXT']; - -var Cea608Channel = -/*#__PURE__*/ -function () { - function Cea608Channel(channelNumber, outputFilter) { - this.chNr = void 0; - this.outputFilter = void 0; - this.mode = void 0; - this.verbose = void 0; - this.displayedMemory = void 0; - this.nonDisplayedMemory = void 0; - this.lastOutputScreen = void 0; - this.currRollUpRow = void 0; - this.writeScreen = void 0; - this.cueStartTime = void 0; - this.lastCueEndTime = void 0; - this.chNr = channelNumber; - this.outputFilter = outputFilter; - this.mode = null; - this.verbose = 0; - this.displayedMemory = new CaptionScreen(); - this.nonDisplayedMemory = new CaptionScreen(); - this.lastOutputScreen = new CaptionScreen(); - this.currRollUpRow = this.displayedMemory.rows[NR_ROWS - 1]; - this.writeScreen = this.displayedMemory; - this.mode = null; - this.cueStartTime = null; // Keeps track of where a cue started. - } - - var _proto5 = Cea608Channel.prototype; - - _proto5.reset = function reset() { - this.mode = null; - this.displayedMemory.reset(); - this.nonDisplayedMemory.reset(); - this.lastOutputScreen.reset(); - this.currRollUpRow = this.displayedMemory.rows[NR_ROWS - 1]; - this.writeScreen = this.displayedMemory; - this.mode = null; - this.cueStartTime = null; - }; + _proto.createCaptionsTrack = function createCaptionsTrack(trackName) { + var captionsProperties = this.captionsProperties, + captionsTracks = this.captionsTracks, + media = this.media; + var _captionsProperties$t = captionsProperties[trackName], + label = _captionsProperties$t.label, + languageCode = _captionsProperties$t.languageCode; - _proto5.getHandler = function getHandler() { - return this.outputFilter; - }; + if (!captionsTracks[trackName]) { + // Enable reuse of existing text track. + var existingTrack = this.getExistingTrack(trackName); - _proto5.setHandler = function setHandler(newHandler) { - this.outputFilter = newHandler; - }; + if (!existingTrack) { + var textTrack = this.createTextTrack('captions', label, languageCode); - _proto5.setPAC = function setPAC(pacData) { - this.writeScreen.setPAC(pacData); + if (textTrack) { + // Set a special property on the track so we know it's managed by Hls.js + textTrack[trackName] = true; + captionsTracks[trackName] = textTrack; + } + } else { + captionsTracks[trackName] = existingTrack; + clearCurrentCues(captionsTracks[trackName]); + sendAddTrackEvent(captionsTracks[trackName], media); + } + } }; - _proto5.setBkgData = function setBkgData(bkgData) { - this.writeScreen.setBkgData(bkgData); - }; + _proto.createTextTrack = function createTextTrack(kind, label, lang) { + var media = this.media; - _proto5.setMode = function setMode(newMode) { - if (newMode === this.mode) { + if (!media) { return; } - this.mode = newMode; - cea_608_parser_logger.log('INFO', 'MODE=' + newMode); - - if (this.mode === 'MODE_POP-ON') { - this.writeScreen = this.nonDisplayedMemory; - } else { - this.writeScreen = this.displayedMemory; - this.writeScreen.reset(); - } - - if (this.mode !== 'MODE_ROLL-UP') { - this.displayedMemory.nrRollUpRows = null; - this.nonDisplayedMemory.nrRollUpRows = null; - } + return media.addTextTrack(kind, label, lang); + }; - this.mode = newMode; + _proto.destroy = function destroy() { + _EventHandler.prototype.destroy.call(this); }; - _proto5.insertChars = function insertChars(chars) { - for (var i = 0; i < chars.length; i++) { - this.writeScreen.insertChar(chars[i]); - } + _proto.onMediaAttaching = function onMediaAttaching(data) { + this.media = data.media; - var screen = this.writeScreen === this.displayedMemory ? 'DISP' : 'NON_DISP'; - cea_608_parser_logger.log('INFO', screen + ': ' + this.writeScreen.getDisplayText(true)); + this._cleanTracks(); + }; - if (this.mode === 'MODE_PAINT-ON' || this.mode === 'MODE_ROLL-UP') { - cea_608_parser_logger.log('TEXT', 'DISPLAYED: ' + this.displayedMemory.getDisplayText(true)); - this.outputDataUpdate(); - } + _proto.onMediaDetaching = function onMediaDetaching() { + var captionsTracks = this.captionsTracks; + Object.keys(captionsTracks).forEach(function (trackName) { + clearCurrentCues(captionsTracks[trackName]); + delete captionsTracks[trackName]; + }); }; - _proto5.ccRCL = function ccRCL() { - // Resume Caption Loading (switch mode to Pop On) - cea_608_parser_logger.log('INFO', 'RCL - Resume Caption Loading'); - this.setMode('MODE_POP-ON'); + _proto.onManifestLoading = function onManifestLoading() { + this.lastSn = -1; // Detect discontiguity in fragment parsing + + this.prevCC = -1; + this.vttCCs = { + // Detect discontinuity in subtitle manifests + ccOffset: 0, + presentationOffset: 0, + 0: { + start: 0, + prevCC: -1, + new: false + } + }; + this.timescale = []; + + this._cleanTracks(); }; - _proto5.ccBS = function ccBS() { - // BackSpace - cea_608_parser_logger.log('INFO', 'BS - BackSpace'); + _proto._cleanTracks = function _cleanTracks() { + // clear outdated subtitles + var media = this.media; - if (this.mode === 'MODE_TEXT') { + if (!media) { return; } - this.writeScreen.backSpace(); + var textTracks = media.textTracks; - if (this.writeScreen === this.displayedMemory) { - this.outputDataUpdate(); + if (textTracks) { + for (var i = 0; i < textTracks.length; i++) { + clearCurrentCues(textTracks[i]); + } } }; - _proto5.ccAOF = function ccAOF() {// Reserved (formerly Alarm Off) - }; + _proto.onManifestLoaded = function onManifestLoaded(data) { + var _this3 = this; - _proto5.ccAON = function ccAON() {// Reserved (formerly Alarm On) - }; + this.textTracks = []; + this.unparsedVttFrags = this.unparsedVttFrags || []; + this.initPTS = []; + this.cueRanges = []; - _proto5.ccDER = function ccDER() { - // Delete to End of Row - cea_608_parser_logger.log('INFO', 'DER- Delete to End of Row'); - this.writeScreen.clearToEndOfRow(); - this.outputDataUpdate(); - }; + if (this.config.enableWebVTT) { + this.tracks = data.subtitles || []; + var inUseTracks = this.media ? this.media.textTracks : []; + this.tracks.forEach(function (track, index) { + var textTrack; - _proto5.ccRU = function ccRU(nrRows) { - // Roll-Up Captions-2,3,or 4 Rows - cea_608_parser_logger.log('INFO', 'RU(' + nrRows + ') - Roll Up'); - this.writeScreen = this.displayedMemory; - this.setMode('MODE_ROLL-UP'); - this.writeScreen.setRollUpRows(nrRows); - }; + if (index < inUseTracks.length) { + var inUseTrack = null; - _proto5.ccFON = function ccFON() { - // Flash On - cea_608_parser_logger.log('INFO', 'FON - Flash On'); - this.writeScreen.setPen({ - flash: true - }); - }; + for (var i = 0; i < inUseTracks.length; i++) { + if (canReuseVttTextTrack(inUseTracks[i], track)) { + inUseTrack = inUseTracks[i]; + break; + } + } // Reuse tracks with the same label, but do not reuse 608/708 tracks - _proto5.ccRDC = function ccRDC() { - // Resume Direct Captioning (switch mode to PaintOn) - cea_608_parser_logger.log('INFO', 'RDC - Resume Direct Captioning'); - this.setMode('MODE_PAINT-ON'); - }; - _proto5.ccTR = function ccTR() { - // Text Restart in text mode (not supported, however) - cea_608_parser_logger.log('INFO', 'TR'); - this.setMode('MODE_TEXT'); - }; + if (inUseTrack) { + textTrack = inUseTrack; + } + } - _proto5.ccRTD = function ccRTD() { - // Resume Text Display in Text mode (not supported, however) - cea_608_parser_logger.log('INFO', 'RTD'); - this.setMode('MODE_TEXT'); - }; + if (!textTrack) { + textTrack = _this3.createTextTrack('subtitles', track.name, track.lang); + } - _proto5.ccEDM = function ccEDM() { - // Erase Displayed Memory - cea_608_parser_logger.log('INFO', 'EDM - Erase Displayed Memory'); - this.displayedMemory.reset(); - this.outputDataUpdate(true); - }; + if (track.default) { + textTrack.mode = _this3.hls.subtitleDisplay ? 'showing' : 'hidden'; + } else { + textTrack.mode = 'disabled'; + } - _proto5.ccCR = function ccCR() { - // Carriage Return - cea_608_parser_logger.log('INFO', 'CR - Carriage Return'); - this.writeScreen.rollUp(); - this.outputDataUpdate(true); + _this3.textTracks.push(textTrack); + }); + } }; - _proto5.ccENM = function ccENM() { - // Erase Non-Displayed Memory - cea_608_parser_logger.log('INFO', 'ENM - Erase Non-displayed Memory'); - this.nonDisplayedMemory.reset(); - }; + _proto.onFragLoaded = function onFragLoaded(data) { + var frag = data.frag, + payload = data.payload; + var cea608Parser = this.cea608Parser, + initPTS = this.initPTS, + lastSn = this.lastSn, + unparsedVttFrags = this.unparsedVttFrags; - _proto5.ccEOC = function ccEOC() { - // End of Caption (Flip Memories) - cea_608_parser_logger.log('INFO', 'EOC - End Of Caption'); + if (frag.type === 'main') { + var sn = frag.sn; // if this frag isn't contiguous, clear the parser so cues with bad start/end times aren't added to the textTrack - if (this.mode === 'MODE_POP-ON') { - var tmp = this.displayedMemory; - this.displayedMemory = this.nonDisplayedMemory; - this.nonDisplayedMemory = tmp; - this.writeScreen = this.nonDisplayedMemory; - cea_608_parser_logger.log('TEXT', 'DISP: ' + this.displayedMemory.getDisplayText()); - } + if (frag.sn !== lastSn + 1) { + if (cea608Parser) { + cea608Parser.reset(); + } + } - this.outputDataUpdate(true); - }; + this.lastSn = sn; + } // eslint-disable-line brace-style + // If fragment is subtitle type, parse as WebVTT. + else if (frag.type === 'subtitle') { + if (payload.byteLength) { + // We need an initial synchronisation PTS. Store fragments as long as none has arrived. + if (!Object(number_isFinite["isFiniteNumber"])(initPTS[frag.cc])) { + unparsedVttFrags.push(data); - _proto5.ccTO = function ccTO(nrCols) { - // Tab Offset 1,2, or 3 columns - cea_608_parser_logger.log('INFO', 'TO(' + nrCols + ') - Tab Offset'); - this.writeScreen.moveCursor(nrCols); - }; + if (initPTS.length) { + // finish unsuccessfully, otherwise the subtitle-stream-controller could be blocked from loading new frags. + this.hls.trigger(events["default"].SUBTITLE_FRAG_PROCESSED, { + success: false, + frag: frag + }); + } - _proto5.ccMIDROW = function ccMIDROW(secondByte) { - // Parse MIDROW command - var styles = { - flash: false - }; - styles.underline = secondByte % 2 === 1; - styles.italics = secondByte >= 0x2e; + return; + } - if (!styles.italics) { - var colorIndex = Math.floor(secondByte / 2) - 0x10; - var colors = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta']; - styles.foreground = colors[colorIndex]; - } else { - styles.foreground = 'white'; - } + var decryptData = frag.decryptdata; // If the subtitles are not encrypted, parse VTTs now. Otherwise, we need to wait. - cea_608_parser_logger.log('INFO', 'MIDROW: ' + JSON.stringify(styles)); - this.writeScreen.setPen(styles); + if (decryptData == null || decryptData.key == null || decryptData.method !== 'AES-128') { + this._parseVTTs(frag, payload); + } + } else { + // In case there is no payload, finish unsuccessfully. + this.hls.trigger(events["default"].SUBTITLE_FRAG_PROCESSED, { + success: false, + frag: frag + }); + } + } }; - _proto5.outputDataUpdate = function outputDataUpdate(dispatch) { - if (dispatch === void 0) { - dispatch = false; - } + _proto._parseVTTs = function _parseVTTs(frag, payload) { + var hls = this.hls, + prevCC = this.prevCC, + textTracks = this.textTracks, + vttCCs = this.vttCCs; - var t = cea_608_parser_logger.time; + if (!vttCCs[frag.cc]) { + vttCCs[frag.cc] = { + start: frag.start, + prevCC: prevCC, + new: true + }; + this.prevCC = frag.cc; + } // Parse the WebVTT file contents. - if (t === null) { - return; - } - if (this.outputFilter) { - if (this.cueStartTime === null && !this.displayedMemory.isEmpty()) { - // Start of a new cue - this.cueStartTime = t; - } else { - if (!this.displayedMemory.equals(this.lastOutputScreen)) { - this.outputFilter.newCue(this.cueStartTime, t, this.lastOutputScreen); + parseWebVTT(payload, this.initPTS[frag.cc], this.timescale[frag.cc], vttCCs, frag.cc, frag.start, function (cues) { + var currentTrack = textTracks[frag.level]; // WebVTTParser.parse is an async method and if the currently selected text track mode is set to "disabled" + // before parsing is done then don't try to access currentTrack.cues.getCueById as cues will be null + // and trying to access getCueById method of cues will throw an exception + + if (currentTrack.mode === 'disabled') { + hls.trigger(events["default"].SUBTITLE_FRAG_PROCESSED, { + success: false, + frag: frag + }); + return; + } + + var minStartTime = Number.MAX_SAFE_INTEGER; // Add cues and trigger event with success true. + + cues.forEach(function (cue) { + //find the first cue in the entire cue set since its not always sorted + minStartTime = Math.min(cue.startTime, minStartTime); // Sometimes there are cue overlaps on segmented vtts so the same + // cue can appear more than once in different vtt files. + // This avoid showing duplicated cues with same timecode and text. + + if (!currentTrack.cues.getCueById(cue.id)) { + try { + currentTrack.addCue(cue); - if (dispatch && this.outputFilter.dispatchCue) { - this.outputFilter.dispatchCue(); + if (!currentTrack.cues.getCueById(cue.id)) { + throw new Error("addCue is failed for: " + cue); + } + } catch (err) { + logger["logger"].debug("Failed occurred on adding cues: " + err); + var textTrackCue = new window.TextTrackCue(cue.startTime, cue.endTime, cue.text); + textTrackCue.id = cue.id; + currentTrack.addCue(textTrackCue); } + } + }); + var liveSyncPosition = hls.streamController.liveSyncPosition; //need to remove cues only for live so if there is no sync position its a VOD + // if there is a better way to detect live vs vod we can use it. - this.cueStartTime = this.displayedMemory.isEmpty() ? null : t; + while (cues.length > 0 && liveSyncPosition !== undefined) { + //We remove cues which are more than 5 minutes old than the current cue + if (currentTrack.cues[0].startTime < minStartTime - 300) { + currentTrack.removeCue(currentTrack.cues[0]); + } else { + break; } } - this.lastOutputScreen.copy(this.displayedMemory); - } + hls.trigger(events["default"].SUBTITLE_FRAG_PROCESSED, { + success: true, + frag: frag + }); + }, function (error) { + // Something went wrong while parsing. Trigger event with success false. + logger["logger"].log("Failed to parse VTT cue: " + error); + hls.trigger(events["default"].SUBTITLE_FRAG_PROCESSED, { + success: false, + frag: frag + }); + }); }; - _proto5.cueSplitAtTime = function cueSplitAtTime(t) { - if (this.outputFilter) { - if (!this.displayedMemory.isEmpty()) { - if (this.outputFilter.newCue) { - this.outputFilter.newCue(this.cueStartTime, t, this.displayedMemory); - } + _proto.onFragDecrypted = function onFragDecrypted(data) { + var frag = data.frag, + payload = data.payload; - this.cueStartTime = t; + if (frag.type === 'subtitle') { + if (!Object(number_isFinite["isFiniteNumber"])(this.initPTS[frag.cc])) { + this.unparsedVttFrags.push(data); + return; } + + this._parseVTTs(frag, payload); } }; - return Cea608Channel; -}(); - -var Cea608Parser = -/*#__PURE__*/ -function () { - function Cea608Parser(field, out1, out2) { - this.field = void 0; - this.outputs = void 0; - this.channels = void 0; - this.currChNr = void 0; - this.lastCmdA = void 0; - this.lastCmdB = void 0; - this.lastTime = void 0; - this.dataCounters = void 0; - this.field = field || 1; - this.outputs = [out1, out2]; - this.channels = [new Cea608Channel(1, out1), new Cea608Channel(2, out2)]; - this.currChNr = -1; // Will be 1 or 2 - - this.lastCmdA = null; // First byte of last command - - this.lastCmdB = null; // Second byte of last command + _proto.onFragParsingUserdata = function onFragParsingUserdata(data) { + if (!this.enabled || !this.cea608Parser) { + return; + } // If the event contains captions (found in the bytes property), push all bytes into the parser immediately + // It will create the proper timestamps based on the PTS value - this.lastTime = null; - this.dataCounters = { - 'padding': 0, - 'char': 0, - 'cmd': 0, - 'other': 0 - }; - } - var _proto6 = Cea608Parser.prototype; + for (var i = 0; i < data.samples.length; i++) { + var ccBytes = data.samples[i].bytes; - _proto6.getHandler = function getHandler(index) { - return this.channels[index].getHandler(); + if (ccBytes) { + var ccdatas = this.extractCea608Data(ccBytes); + this.cea608Parser.addData(data.samples[i].pts, ccdatas); + } + } }; - _proto6.setHandler = function setHandler(index, newHandler) { - this.channels[index].setHandler(newHandler); - } - /** - * Add data for time t in forms of list of bytes (unsigned ints). The bytes are treated as pairs. - */ - ; - - _proto6.addData = function addData(t, byteList) { - var cmdFound, - a, - b, - charsFound = false; - this.lastTime = t; - cea_608_parser_logger.setTime(t); + _proto.extractCea608Data = function extractCea608Data(byteArray) { + var count = byteArray[0] & 31; + var position = 2; + var tmpByte, ccbyte1, ccbyte2, ccValid, ccType; + var actualCCBytes = []; - for (var i = 0; i < byteList.length; i += 2) { - a = byteList[i] & 0x7f; - b = byteList[i + 1] & 0x7f; + for (var j = 0; j < count; j++) { + tmpByte = byteArray[position++]; + ccbyte1 = 0x7F & byteArray[position++]; + ccbyte2 = 0x7F & byteArray[position++]; + ccValid = (4 & tmpByte) !== 0; + ccType = 3 & tmpByte; - if (a === 0 && b === 0) { - this.dataCounters.padding += 2; + if (ccbyte1 === 0 && ccbyte2 === 0) { continue; - } else { - cea_608_parser_logger.log('DATA', '[' + numArrayToHexArray([byteList[i], byteList[i + 1]]) + '] -> (' + numArrayToHexArray([a, b]) + ')'); - } - - cmdFound = this.parseCmd(a, b); - - if (!cmdFound) { - cmdFound = this.parseMidrow(a, b); - } - - if (!cmdFound) { - cmdFound = this.parsePAC(a, b); } - if (!cmdFound) { - cmdFound = this.parseBackgroundAttributes(a, b); + if (ccValid) { + if (ccType === 0) { + // || ccType === 1 + actualCCBytes.push(ccbyte1); + actualCCBytes.push(ccbyte2); + } } + } - if (!cmdFound) { - charsFound = this.parseChars(a, b); + return actualCCBytes; + }; - if (charsFound) { - if (this.currChNr && this.currChNr >= 0) { - var channel = this.channels[this.currChNr - 1]; - channel.insertChars(charsFound); - } else { - cea_608_parser_logger.log('WARNING', 'No channel found yet. TEXT-MODE?'); - } - } - } + return TimelineController; +}(event_handler); - if (cmdFound) { - this.dataCounters.cmd += 2; - } else if (charsFound) { - this.dataCounters.char += 2; - } else { - this.dataCounters.other += 2; - cea_608_parser_logger.log('WARNING', 'Couldn\'t parse cleaned data ' + numArrayToHexArray([a, b]) + ' orig: ' + numArrayToHexArray([byteList[i], byteList[i + 1]])); - } - } - } - /** - * Parse Command. - * @returns {Boolean} Tells if a command was found - */ - ; +function canReuseVttTextTrack(inUseTrack, manifestTrack) { + return inUseTrack && inUseTrack.label === manifestTrack.name && !(inUseTrack.textTrack1 || inUseTrack.textTrack2); +} - _proto6.parseCmd = function parseCmd(a, b) { - var chNr = null; - var cond1 = (a === 0x14 || a === 0x1C) && b >= 0x20 && b <= 0x2F; - var cond2 = (a === 0x17 || a === 0x1F) && b >= 0x21 && b <= 0x23; +function intersection(x1, x2, y1, y2) { + return Math.min(x2, y2) - Math.max(x1, y1); +} - if (!(cond1 || cond2)) { - return false; - } +/* harmony default export */ var timeline_controller = (timeline_controller_TimelineController); +// CONCATENATED MODULE: ./src/controller/subtitle-track-controller.js - if (a === this.lastCmdA && b === this.lastCmdB) { - this.lastCmdA = null; - this.lastCmdB = null; // Repeated commands are dropped (once) - cea_608_parser_logger.log('DEBUG', 'Repeated command (' + numArrayToHexArray([a, b]) + ') is dropped'); - return true; - } - if (a === 0x14 || a === 0x17) { - chNr = 1; - } else { - chNr = 2; - } // (a === 0x1C || a=== 0x1f) +function subtitle_track_controller_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } - var channel = this.channels[chNr - 1]; +function subtitle_track_controller_createClass(Constructor, protoProps, staticProps) { if (protoProps) subtitle_track_controller_defineProperties(Constructor.prototype, protoProps); if (staticProps) subtitle_track_controller_defineProperties(Constructor, staticProps); return Constructor; } - if (a === 0x14 || a === 0x1C) { - if (b === 0x20) { - channel.ccRCL(); - } else if (b === 0x21) { - channel.ccBS(); - } else if (b === 0x22) { - channel.ccAOF(); - } else if (b === 0x23) { - channel.ccAON(); - } else if (b === 0x24) { - channel.ccDER(); - } else if (b === 0x25) { - channel.ccRU(2); - } else if (b === 0x26) { - channel.ccRU(3); - } else if (b === 0x27) { - channel.ccRU(4); - } else if (b === 0x28) { - channel.ccFON(); - } else if (b === 0x29) { - channel.ccRDC(); - } else if (b === 0x2A) { - channel.ccTR(); - } else if (b === 0x2B) { - channel.ccRTD(); - } else if (b === 0x2C) { - channel.ccEDM(); - } else if (b === 0x2D) { - channel.ccCR(); - } else if (b === 0x2E) { - channel.ccENM(); - } else if (b === 0x2F) { - channel.ccEOC(); - } - } else { - // a == 0x17 || a == 0x1F - channel.ccTO(b - 0x20); - } +function subtitle_track_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } - this.lastCmdA = a; - this.lastCmdB = b; - this.currChNr = chNr; - return true; - } - /** - * Parse midrow styling command - * @returns {Boolean} - */ - ; - _proto6.parseMidrow = function parseMidrow(a, b) { - var chNr = null; - if ((a === 0x11 || a === 0x19) && b >= 0x20 && b <= 0x2f) { - if (a === 0x11) { - chNr = 1; - } else { - chNr = 2; - } - if (chNr !== this.currChNr) { - cea_608_parser_logger.log('ERROR', 'Mismatch channel in midrow parsing'); - return false; - } - var channel = this.channels[chNr - 1]; - channel.ccMIDROW(b); - cea_608_parser_logger.log('DEBUG', 'MIDROW (' + numArrayToHexArray([a, b]) + ')'); - return true; - } - return false; - } - /** - * Parse Preable Access Codes (Table 53). - * @returns {Boolean} Tells if PAC found + +var subtitle_track_controller_SubtitleTrackController = +/*#__PURE__*/ +function (_EventHandler) { + subtitle_track_controller_inheritsLoose(SubtitleTrackController, _EventHandler); + + function SubtitleTrackController(hls) { + var _this; + + _this = _EventHandler.call(this, hls, events["default"].MEDIA_ATTACHED, events["default"].MEDIA_DETACHING, events["default"].MANIFEST_LOADED, events["default"].SUBTITLE_TRACK_LOADED) || this; + _this.tracks = []; + _this.trackId = -1; + _this.media = null; + _this.stopped = true; + /** + * @member {boolean} subtitleDisplay Enable/disable subtitle display rendering */ + + _this.subtitleDisplay = true; + /** + * Keeps reference to a default track id when media has not been attached yet + * @member {number} + */ + + _this.queuedDefaultTrack = null; + return _this; + } + + var _proto = SubtitleTrackController.prototype; + + _proto.destroy = function destroy() { + event_handler.prototype.destroy.call(this); + } // Listen for subtitle track change, then extract the current track ID. ; - _proto6.parsePAC = function parsePAC(a, b) { - var chNr = null; - var row = null; - var case1 = (a >= 0x11 && a <= 0x17 || a >= 0x19 && a <= 0x1F) && b >= 0x40 && b <= 0x7F; - var case2 = (a === 0x10 || a === 0x18) && b >= 0x40 && b <= 0x5F; + _proto.onMediaAttached = function onMediaAttached(data) { + var _this2 = this; - if (!(case1 || case2)) { - return false; + this.media = data.media; + + if (!this.media) { + return; } - if (a === this.lastCmdA && b === this.lastCmdB) { - this.lastCmdA = null; - this.lastCmdB = null; - return true; // Repeated commands are dropped (once) + if (Object(number_isFinite["isFiniteNumber"])(this.queuedDefaultTrack)) { + this.subtitleTrack = this.queuedDefaultTrack; + this.queuedDefaultTrack = null; } - chNr = a <= 0x17 ? 1 : 2; + this.trackChangeListener = this._onTextTracksChanged.bind(this); + this.useTextTrackPolling = !(this.media.textTracks && 'onchange' in this.media.textTracks); - if (b >= 0x40 && b <= 0x5F) { - row = chNr === 1 ? rowsLowCh1[a] : rowsLowCh2[a]; + if (this.useTextTrackPolling) { + this.subtitlePollingInterval = setInterval(function () { + _this2.trackChangeListener(); + }, 500); } else { - // 0x60 <= b <= 0x7F - row = chNr === 1 ? rowsHighCh1[a] : rowsHighCh2[a]; + this.media.textTracks.addEventListener('change', this.trackChangeListener); } + }; - var pacData = this.interpretPAC(row, b); - var channel = this.channels[chNr - 1]; - channel.setPAC(pacData); - this.lastCmdA = a; - this.lastCmdB = b; - this.currChNr = chNr; - return true; - } - /** - * Interpret the second byte of the pac, and return the information. - * @returns {Object} pacData with style parameters. - */ - ; - - _proto6.interpretPAC = function interpretPAC(row, byte) { - var pacIndex = byte; - var pacData = { - color: null, - italics: false, - indent: null, - underline: false, - row: row - }; + _proto.onMediaDetaching = function onMediaDetaching() { + if (!this.media) { + return; + } - if (byte > 0x5F) { - pacIndex = byte - 0x60; + if (this.useTextTrackPolling) { + clearInterval(this.subtitlePollingInterval); } else { - pacIndex = byte - 0x40; + this.media.textTracks.removeEventListener('change', this.trackChangeListener); } - pacData.underline = (pacIndex & 1) === 1; - - if (pacIndex <= 0xd) { - pacData.color = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta', 'white'][Math.floor(pacIndex / 2)]; - } else if (pacIndex <= 0xf) { - pacData.italics = true; - pacData.color = 'white'; - } else { - pacData.indent = Math.floor((pacIndex - 0x10) / 2) * 4; + if (Object(number_isFinite["isFiniteNumber"])(this.subtitleTrack)) { + this.queuedDefaultTrack = this.subtitleTrack; } - return pacData; // Note that row has zero offset. The spec uses 1. - } - /** - * Parse characters. - * @returns An array with 1 to 2 codes corresponding to chars, if found. null otherwise. - */ + var textTracks = filterSubtitleTracks(this.media.textTracks); // Clear loaded cues on media detachment from tracks + + textTracks.forEach(function (track) { + clearCurrentCues(track); + }); // Disable all subtitle tracks before detachment so when reattached only tracks in that content are enabled. + + this.subtitleTrack = -1; + this.media = null; + } // Fired whenever a new manifest is loaded. ; - _proto6.parseChars = function parseChars(a, b) { - var channelNr = null, - charCodes = null, - charCode1 = null; + _proto.onManifestLoaded = function onManifestLoaded(data) { + var _this3 = this; - if (a >= 0x19) { - channelNr = 2; - charCode1 = a - 8; + var tracks = data.subtitles || []; + this.tracks = tracks; + this.hls.trigger(events["default"].SUBTITLE_TRACKS_UPDATED, { + subtitleTracks: tracks + }); // loop through available subtitle tracks and autoselect default if needed + // TODO: improve selection logic to handle forced, etc + + tracks.forEach(function (track) { + if (track.default) { + // setting this.subtitleTrack will trigger internal logic + // if media has not been attached yet, it will fail + // we keep a reference to the default track id + // and we'll set subtitleTrack when onMediaAttached is triggered + if (_this3.media) { + _this3.subtitleTrack = track.id; + } else { + _this3.queuedDefaultTrack = track.id; + } + } + }); + }; + + _proto.onSubtitleTrackLoaded = function onSubtitleTrackLoaded(data) { + var _this4 = this; + + var id = data.id, + details = data.details; + var trackId = this.trackId, + tracks = this.tracks; + var currentTrack = tracks[trackId]; + + if (id >= tracks.length || id !== trackId || !currentTrack || this.stopped) { + this._clearReloadTimer(); + + return; + } + + logger["logger"].log("subtitle track " + id + " loaded"); + + if (details.live) { + var reloadInterval = computeReloadInterval(currentTrack.details, details, data.stats.trequest); + logger["logger"].log("Reloading live subtitle playlist in " + reloadInterval + "ms"); + this.timer = setTimeout(function () { + _this4._loadCurrentTrack(); + }, reloadInterval); } else { - channelNr = 1; - charCode1 = a; + this._clearReloadTimer(); } + }; - if (charCode1 >= 0x11 && charCode1 <= 0x13) { - // Special character - var oneCode = b; + _proto.startLoad = function startLoad() { + this.stopped = false; - if (charCode1 === 0x11) { - oneCode = b + 0x50; - } else if (charCode1 === 0x12) { - oneCode = b + 0x70; - } else { - oneCode = b + 0x90; - } + this._loadCurrentTrack(); + }; - cea_608_parser_logger.log('INFO', 'Special char \'' + getCharForByte(oneCode) + '\' in channel ' + channelNr); - charCodes = [oneCode]; - } else if (a >= 0x20 && a <= 0x7f) { - charCodes = b === 0 ? [a] : [a, b]; + _proto.stopLoad = function stopLoad() { + this.stopped = true; + + this._clearReloadTimer(); + } + /** get alternate subtitle tracks list from playlist **/ + ; + + _proto._clearReloadTimer = function _clearReloadTimer() { + if (this.timer) { + clearTimeout(this.timer); + this.timer = null; } + }; - if (charCodes) { - var hexCodes = numArrayToHexArray(charCodes); - cea_608_parser_logger.log('DEBUG', 'Char codes = ' + hexCodes.join(',')); - this.lastCmdA = null; - this.lastCmdB = null; + _proto._loadCurrentTrack = function _loadCurrentTrack() { + var trackId = this.trackId, + tracks = this.tracks, + hls = this.hls; + var currentTrack = tracks[trackId]; + + if (trackId < 0 || !currentTrack || currentTrack.details && !currentTrack.details.live) { + return; } - return charCodes; + logger["logger"].log("Loading subtitle track " + trackId); + hls.trigger(events["default"].SUBTITLE_TRACK_LOADING, { + url: currentTrack.url, + id: trackId + }); } /** - * Parse extended background attributes as well as new foreground color black. - * @returns {Boolean} Tells if background attributes are found - */ + * Disables the old subtitleTrack and sets current mode on the next subtitleTrack. + * This operates on the DOM textTracks. + * A value of -1 will disable all subtitle tracks. + * @param newId - The id of the next track to enable + * @private + */ ; - _proto6.parseBackgroundAttributes = function parseBackgroundAttributes(a, b) { - var bkgData, index, chNr, channel; - var case1 = (a === 0x10 || a === 0x18) && b >= 0x20 && b <= 0x2f; - var case2 = (a === 0x17 || a === 0x1f) && b >= 0x2d && b <= 0x2f; + _proto._toggleTrackModes = function _toggleTrackModes(newId) { + var media = this.media, + subtitleDisplay = this.subtitleDisplay, + trackId = this.trackId; - if (!(case1 || case2)) { - return false; + if (!media) { + return; } - bkgData = {}; - - if (a === 0x10 || a === 0x18) { - index = Math.floor((b - 0x20) / 2); - bkgData.background = backgroundColors[index]; + var textTracks = filterSubtitleTracks(media.textTracks); - if (b % 2 === 1) { - bkgData.background = bkgData.background + '_semi'; - } - } else if (b === 0x2d) { - bkgData.background = 'transparent'; + if (newId === -1) { + [].slice.call(textTracks).forEach(function (track) { + track.mode = 'disabled'; + }); } else { - bkgData.foreground = 'black'; + var oldTrack = textTracks[trackId]; - if (b === 0x2f) { - bkgData.underline = true; + if (oldTrack) { + oldTrack.mode = 'disabled'; } } - chNr = a < 0x18 ? 1 : 2; - channel = this.channels[chNr - 1]; - channel.setBkgData(bkgData); - this.lastCmdA = null; - this.lastCmdB = null; - return true; + var nextTrack = textTracks[newId]; + + if (nextTrack) { + nextTrack.mode = subtitleDisplay ? 'showing' : 'hidden'; + } } /** - * Reset state of parser and its channels. + * This method is responsible for validating the subtitle index and periodically reloading if live. + * Dispatches the SUBTITLE_TRACK_SWITCH event, which instructs the subtitle-stream-controller to load the selected track. + * @param newId - The id of the subtitle track to activate. */ ; - _proto6.reset = function reset() { - for (var i = 0; i < this.channels.length; i++) { - if (this.channels[i]) { - this.channels[i].reset(); + _proto._setSubtitleTrackInternal = function _setSubtitleTrackInternal(newId) { + var hls = this.hls, + tracks = this.tracks; + + if (!Object(number_isFinite["isFiniteNumber"])(newId) || newId < -1 || newId >= tracks.length) { + return; + } + + this.trackId = newId; + logger["logger"].log("Switching to subtitle track " + newId); + hls.trigger(events["default"].SUBTITLE_TRACK_SWITCH, { + id: newId + }); + + this._loadCurrentTrack(); + }; + + _proto._onTextTracksChanged = function _onTextTracksChanged() { + // Media is undefined when switching streams via loadSource() + if (!this.media) { + return; + } + + var trackId = -1; + var tracks = filterSubtitleTracks(this.media.textTracks); + + for (var id = 0; id < tracks.length; id++) { + if (tracks[id].mode === 'hidden') { + // Do not break in case there is a following track with showing. + trackId = id; + } else if (tracks[id].mode === 'showing') { + trackId = id; + break; } + } // Setting current subtitleTrack will invoke code. + + + this.subtitleTrack = trackId; + }; + + subtitle_track_controller_createClass(SubtitleTrackController, [{ + key: "subtitleTracks", + get: function get() { + return this.tracks; } + /** get index of the selected subtitle track (index in subtitle track lists) **/ - this.lastCmdA = null; - this.lastCmdB = null; - } - /** - * Trigger the generation of a cue, and the start of a new one if displayScreens are not empty. - */ - ; + }, { + key: "subtitleTrack", + get: function get() { + return this.trackId; + } + /** select a subtitle track, based on its index in subtitle track lists**/ + , + set: function set(subtitleTrackId) { + if (this.trackId !== subtitleTrackId) { + this._toggleTrackModes(subtitleTrackId); - _proto6.cueSplitAtTime = function cueSplitAtTime(t) { - for (var i = 0; i < this.channels.length; i++) { - if (this.channels[i]) { - this.channels[i].cueSplitAtTime(t); + this._setSubtitleTrackInternal(subtitleTrackId); } } - }; + }]); - return Cea608Parser; -}(); + return SubtitleTrackController; +}(event_handler); -/* harmony default export */ var cea_608_parser = (Cea608Parser); -// CONCATENATED MODULE: ./src/utils/output-filter.ts -var OutputFilter = -/*#__PURE__*/ -function () { - // TODO(typescript-timelineController) - function OutputFilter(timelineController, trackName) { - this.timelineController = void 0; - this.trackName = void 0; - this.startTime = void 0; - this.endTime = void 0; - this.screen = void 0; - this.timelineController = timelineController; - this.trackName = trackName; - this.startTime = null; - this.endTime = null; - this.screen = null; - } +function filterSubtitleTracks(textTrackList) { + var tracks = []; - var _proto = OutputFilter.prototype; + for (var i = 0; i < textTrackList.length; i++) { + var track = textTrackList[i]; // Edge adds a track without a label; we don't want to use it - _proto.dispatchCue = function dispatchCue() { - if (this.startTime === null) { - return; + if (track.kind === 'subtitles' && track.label) { + tracks.push(textTrackList[i]); } + } - this.timelineController.addCues(this.trackName, this.startTime, this.endTime, this.screen); - this.startTime = null; - }; + return tracks; +} - _proto.newCue = function newCue(startTime, endTime, screen) { - if (this.startTime === null || this.startTime > startTime) { - this.startTime = startTime; - } +/* harmony default export */ var subtitle_track_controller = (subtitle_track_controller_SubtitleTrackController); +// EXTERNAL MODULE: ./src/crypt/decrypter.js + 3 modules +var decrypter = __webpack_require__("./src/crypt/decrypter.js"); - this.endTime = endTime; - this.screen = screen; - this.timelineController.createCaptionsTrack(this.trackName); - }; +// CONCATENATED MODULE: ./src/controller/subtitle-stream-controller.js +function subtitle_stream_controller_assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } - return OutputFilter; -}(); +function subtitle_stream_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } + +/** + * @class SubtitleStreamController + */ -// CONCATENATED MODULE: ./src/utils/webvtt-parser.js - // String.prototype.startsWith is not supported in IE11 -var startsWith = function startsWith(inputString, searchString, position) { - return inputString.substr(position || 0, searchString.length) === searchString; -}; +var subtitle_stream_controller_window = window, + subtitle_stream_controller_performance = subtitle_stream_controller_window.performance; +var subtitle_stream_controller_TICK_INTERVAL = 500; // how often to tick in ms -var webvtt_parser_cueString2millis = function cueString2millis(timeString) { - var ts = parseInt(timeString.substr(-3)); - var secs = parseInt(timeString.substr(-6, 2)); - var mins = parseInt(timeString.substr(-9, 2)); - var hours = timeString.length > 9 ? parseInt(timeString.substr(0, timeString.indexOf(':'))) : 0; +var subtitle_stream_controller_SubtitleStreamController = +/*#__PURE__*/ +function (_BaseStreamController) { + subtitle_stream_controller_inheritsLoose(SubtitleStreamController, _BaseStreamController); - if (!Object(number_isFinite["isFiniteNumber"])(ts) || !Object(number_isFinite["isFiniteNumber"])(secs) || !Object(number_isFinite["isFiniteNumber"])(mins) || !Object(number_isFinite["isFiniteNumber"])(hours)) { - throw Error("Malformed X-TIMESTAMP-MAP: Local:" + timeString); + function SubtitleStreamController(hls, fragmentTracker) { + var _this; + + _this = _BaseStreamController.call(this, hls, events["default"].MEDIA_ATTACHED, events["default"].MEDIA_DETACHING, events["default"].ERROR, events["default"].KEY_LOADED, events["default"].FRAG_LOADED, events["default"].SUBTITLE_TRACKS_UPDATED, events["default"].SUBTITLE_TRACK_SWITCH, events["default"].SUBTITLE_TRACK_LOADED, events["default"].SUBTITLE_FRAG_PROCESSED, events["default"].LEVEL_UPDATED) || this; + _this.fragmentTracker = fragmentTracker; + _this.config = hls.config; + _this.state = State.STOPPED; + _this.tracks = []; + _this.tracksBuffered = []; + _this.currentTrackId = -1; + _this.decrypter = new decrypter["default"](hls, hls.config); // lastAVStart stores the time in seconds for the start time of a level load + + _this.lastAVStart = 0; + _this._onMediaSeeking = _this.onMediaSeeking.bind(subtitle_stream_controller_assertThisInitialized(_this)); + return _this; } - ts += 1000 * secs; - ts += 60 * 1000 * mins; - ts += 60 * 60 * 1000 * hours; - return ts; -}; // From https://github.com/darkskyapp/string-hash + var _proto = SubtitleStreamController.prototype; + + _proto.onSubtitleFragProcessed = function onSubtitleFragProcessed(data) { + var frag = data.frag, + success = data.success; + this.fragPrevious = frag; + this.state = State.IDLE; + + if (!success) { + return; + } + + var buffered = this.tracksBuffered[this.currentTrackId]; + + if (!buffered) { + return; + } // Create/update a buffered array matching the interface used by BufferHelper.bufferedInfo + // so we can re-use the logic used to detect how much have been buffered + + + var timeRange; + var fragStart = frag.start; + + for (var i = 0; i < buffered.length; i++) { + if (fragStart >= buffered[i].start && fragStart <= buffered[i].end) { + timeRange = buffered[i]; + break; + } + } + var fragEnd = frag.start + frag.duration; -var hash = function hash(text) { - var hash = 5381; - var i = text.length; + if (timeRange) { + timeRange.end = fragEnd; + } else { + timeRange = { + start: fragStart, + end: fragEnd + }; + buffered.push(timeRange); + } + }; - while (i) { - hash = hash * 33 ^ text.charCodeAt(--i); - } + _proto.onMediaAttached = function onMediaAttached(_ref) { + var media = _ref.media; + this.media = media; + media.addEventListener('seeking', this._onMediaSeeking); + this.state = State.IDLE; + }; - return (hash >>> 0).toString(); -}; + _proto.onMediaDetaching = function onMediaDetaching() { + var _this2 = this; -var calculateOffset = function calculateOffset(vttCCs, cc, presentationTime) { - var currCC = vttCCs[cc]; - var prevCC = vttCCs[currCC.prevCC]; // This is the first discontinuity or cues have been processed since the last discontinuity - // Offset = current discontinuity time + if (!this.media) { + return; + } - if (!prevCC || !prevCC.new && currCC.new) { - vttCCs.ccOffset = vttCCs.presentationOffset = currCC.start; - currCC.new = false; - return; - } // There have been discontinuities since cues were last parsed. - // Offset = time elapsed + this.media.removeEventListener('seeking', this._onMediaSeeking); + this.fragmentTracker.removeAllFragments(); + this.currentTrackId = -1; + this.tracks.forEach(function (track) { + _this2.tracksBuffered[track.id] = []; + }); + this.media = null; + this.state = State.STOPPED; + } // If something goes wrong, proceed to next frag, if we were processing one. + ; + _proto.onError = function onError(data) { + //Commenting out this code since we need to reset the state for any error + // let frag = data.frag; + // // don't handle error not related to subtitle fragment + // if (!frag || frag.type !== 'subtitle') { + // return; + // } + this.state = State.IDLE; + } // Got all new subtitle tracks. + ; - while (prevCC && prevCC.new) { - vttCCs.ccOffset += currCC.start - prevCC.start; - currCC.new = false; - currCC = prevCC; - prevCC = vttCCs[currCC.prevCC]; - } + _proto.onSubtitleTracksUpdated = function onSubtitleTracksUpdated(data) { + var _this3 = this; - vttCCs.presentationOffset = presentationTime; -}; + logger["logger"].log('subtitle tracks updated'); + this.tracksBuffered = []; + this.tracks = data.subtitleTracks; + this.tracks.forEach(function (track) { + _this3.tracksBuffered[track.id] = []; + }); + }; -var WebVTTParser = { - parse: function parse(vttByteArray, syncPTS, vttCCs, cc, callBack, errorCallBack) { - // Convert byteArray into string, replacing any somewhat exotic linefeeds with "\n", then split on that character. - var re = /\r\n|\n\r|\n|\r/g; // Uint8Array.prototype.reduce is not implemented in IE11 - - var vttLines = Object(id3["utf8ArrayToStr"])(new Uint8Array(vttByteArray)).trim().replace(re, '\n').split('\n'); - var cueTime = '00:00.000'; - var mpegTs = 0; - var localTime = 0; - var presentationTime = 0; - var cues = []; - var parsingError; - var inHeader = true; - var timestampMap = false; // let VTTCue = VTTCue || window.TextTrackCue; - // Create parser object using VTTCue with TextTrackCue fallback on certain browsers. - - var parser = new vttparser(); - - parser.oncue = function (cue) { - // Adjust cue timing; clamp cues to start no earlier than - and drop cues that don't end after - 0 on timeline. - var currCC = vttCCs[cc]; - var cueOffset = vttCCs.ccOffset; // Update offsets for new discontinuities - - if (currCC && currCC.new) { - if (localTime !== undefined) { - // When local time is provided, offset = discontinuity start time - local time - cueOffset = vttCCs.ccOffset = currCC.start; - } else { - calculateOffset(vttCCs, cc, presentationTime); - } - } + _proto.onSubtitleTrackSwitch = function onSubtitleTrackSwitch(data) { + this.currentTrackId = data.id; - if (presentationTime) { - // If we have MPEGTS, offset = presentation time + discontinuity offset - cueOffset = presentationTime - vttCCs.presentationOffset; - } // console.log(cue.startTime + ' before'); + if (!this.tracks || !this.tracks.length || this.currentTrackId === -1) { + this.clearInterval(); + return; + } // Check if track has the necessary details to load fragments - cue.startTime += cueOffset - localTime; - cue.endTime += cueOffset - localTime; - var text = cue.text.trim(); // Create a unique hash id for a cue based on start/end times and text. - // This helps timeline-controller to avoid showing repeated captions. + var currentTrack = this.tracks[this.currentTrackId]; - cue.id = hash(cue.startTime.toString()) + hash(cue.endTime.toString()) + hash(text); // Fix encoding of special characters. TODO: Test with all sorts of weird characters. + if (currentTrack && currentTrack.details) { + this.setInterval(subtitle_stream_controller_TICK_INTERVAL); + } + } // Got a new set of subtitle fragments. + ; - cue.text = decodeURIComponent(encodeURIComponent(cue.text)); + _proto.onSubtitleTrackLoaded = function onSubtitleTrackLoaded(data) { + var id = data.id, + details = data.details; + var currentTrackId = this.currentTrackId, + tracks = this.tracks; + var currentTrack = tracks[currentTrackId]; - if (cue.endTime > 0) { - cues.push(cue); - } - }; + if (id >= tracks.length || id !== currentTrackId || !currentTrack) { + return; + } - parser.onparsingerror = function (e) { - parsingError = e; - }; + if (details.live) { + mergeSubtitlePlaylists(currentTrack.details, details, this.lastAVStart); + } - parser.onflush = function () { - if (parsingError && errorCallBack) { - errorCallBack(parsingError); - return; - } + currentTrack.details = details; + this.setInterval(subtitle_stream_controller_TICK_INTERVAL); + }; - callBack(cues); - }; // Go through contents line by line. + _proto.onKeyLoaded = function onKeyLoaded() { + if (this.state === State.KEY_LOADING) { + this.state = State.IDLE; + } + }; + _proto.onFragLoaded = function onFragLoaded(data) { + var fragCurrent = this.fragCurrent; + var decryptData = data.frag.decryptdata; + var fragLoaded = data.frag; + var hls = this.hls; - vttLines.forEach(function (line) { - if (inHeader) { - // Look for X-TIMESTAMP-MAP in header. - if (startsWith(line, 'X-TIMESTAMP-MAP=')) { - // Once found, no more are allowed anyway, so stop searching. - inHeader = false; - timestampMap = true; // Extract LOCAL and MPEGTS. + if (this.state === State.FRAG_LOADING && fragCurrent && data.frag.type === 'subtitle' && fragCurrent.sn === data.frag.sn) { + // check to see if the payload needs to be decrypted + if (data.payload.byteLength > 0 && decryptData && decryptData.key && decryptData.method === 'AES-128') { + var startTime = subtitle_stream_controller_performance.now(); // decrypt the subtitles - line.substr(16).split(',').forEach(function (timestamp) { - if (startsWith(timestamp, 'LOCAL:')) { - cueTime = timestamp.substr(6); - } else if (startsWith(timestamp, 'MPEGTS:')) { - mpegTs = parseInt(timestamp.substr(7)); + this.decrypter.decrypt(data.payload, decryptData.key.buffer, decryptData.iv.buffer, function (decryptedData) { + var endTime = subtitle_stream_controller_performance.now(); + hls.trigger(events["default"].FRAG_DECRYPTED, { + frag: fragLoaded, + payload: decryptedData, + stats: { + tstart: startTime, + tdecrypt: endTime } }); + }); + } + } + }; - try { - // - // Calculate subtitle offset in milliseconds. - // if (syncPTS + ((vttCCs[cc].start * 90000) || 0) < 0) { - // syncPTS += 8589934592; - // } - // Adjust MPEGTS by sync PTS. - mpegTs -= syncPTS; // Convert cue time to seconds - - localTime = webvtt_parser_cueString2millis(cueTime) / 1000; // Convert MPEGTS to seconds from 90kHz. - - presentationTime = mpegTs / 90000; //console.log(syncPTS + " syncPTS is " + presentationTime + ' local time ' + localTime); + _proto.onLevelUpdated = function onLevelUpdated(_ref2) { + var details = _ref2.details; + var frags = details.fragments; + this.lastAVStart = frags.length ? frags[0].start : 0; + }; - if (localTime === -1) { - parsingError = new Error("Malformed X-TIMESTAMP-MAP: " + line); - } - } catch (e) { - timestampMap = false; - parsingError = e; - } // Return without parsing X-TIMESTAMP-MAP line. + _proto.doTick = function doTick() { + if (!this.media) { + this.state = State.IDLE; + return; + } + switch (this.state) { + case State.IDLE: + { + var config = this.config, + currentTrackId = this.currentTrackId, + fragmentTracker = this.fragmentTracker, + media = this.media, + tracks = this.tracks; - return; - } else if (line === '') { - inHeader = false; - } - } // Parse line by default. + if (!tracks || !tracks[currentTrackId] || !tracks[currentTrackId].details) { + break; + } + var maxBufferHole = config.maxBufferHole, + maxFragLookUpTolerance = config.maxFragLookUpTolerance; + var maxConfigBuffer = Math.min(config.maxBufferLength, config.maxMaxBufferLength); + var bufferedInfo = BufferHelper.bufferedInfo(this._getBuffered(), media.currentTime, maxBufferHole); + var bufferEnd = bufferedInfo.end, + bufferLen = bufferedInfo.len; + var trackDetails = tracks[currentTrackId].details; + var fragments = trackDetails.fragments; + var fragLen = fragments.length; + var end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration; - parser.parse(line + '\n'); - }); - parser.flush(); - } -}; -/* harmony default export */ var webvtt_parser = (WebVTTParser); -// CONCATENATED MODULE: ./src/controller/timeline-controller.ts + if (bufferLen > maxConfigBuffer) { + return; + } + var foundFrag; + var fragPrevious = this.fragPrevious; + if (bufferEnd < end) { + if (fragPrevious && trackDetails.hasProgramDateTime) { + foundFrag = findFragmentByPDT(fragments, fragPrevious.endProgramDateTime, maxFragLookUpTolerance); + } -function timeline_controller_assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } + if (!foundFrag) { + foundFrag = findFragmentByPTS(fragPrevious, fragments, bufferEnd, maxFragLookUpTolerance); + } -function timeline_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } + if (!foundFrag && trackDetails.live && fragPrevious && fragPrevious.start < fragments[0].start) { + /* + below is a real world example of what can happen in production. + + fragPrevious s:04:08:44.000Z, e:04:08:49.000Z -- was found by PDT + + # response on subtitle/en/playlist.m3u8 on Nth call + fragments[0]: s:04:08:24.000Z, e:04:08:29.000Z -- s:4532.900002, e:4537.900002 + fragments[1]: s:04:08:29.000Z, e:04:08:34.000Z -- s:4537.900002, e:4542.900002 + fragments[2]: s:04:08:34.000Z, e:04:08:39.000Z -- s:4542.900002, e:4547.900002 + fragments[3]: s:04:08:39.000Z, e:04:08:44.000Z -- s:4547.900002, e:4552.900002 + fragments[4]: s:04:08:44.000Z, e:04:08:49.000Z -- s:4552.900002, e:4557.900002 + # response on subtitle/en/playlist.m3u8 on (N+1)th call + fragments[0]: s:04:08:54.000Z, e:04:08:59.000Z -- s:4562.900002, e:4567.900002 + fragments[1]: s:04:08:59.000Z, e:04:09:04.000Z -- s:4567.900002, e:4572.900002 + fragments[2]: s:04:09:04.000Z, e:04:09:09.000Z -- s:4572.900002, e:4577.900002 + fragments[3]: s:04:09:09.000Z, e:04:09:14.000Z -- s:4577.900002, e:4582.900002 + fragments[4]: s:04:09:14.000Z, e:04:09:19.000Z -- s:4582.900002, e:4587.900002 + # notice the gap from e:04:08:49.000Z to s:04:08:54.000Z, code below is to fix this issue + */ + foundFrag = fragments[0]; + logger["logger"].warn("Gap detected in live subtitle playlist, using next available fragment {start: " + foundFrag.start + "}"); + } + } else { + foundFrag = fragments[fragLen - 1]; + } + if (foundFrag && foundFrag.encrypted) { + logger["logger"].log("Loading key for " + foundFrag.sn); + this.state = State.KEY_LOADING; + this.hls.trigger(events["default"].KEY_LOADING, { + frag: foundFrag + }); + } else if (foundFrag && this.fragmentTracker.getState(foundFrag) === FragmentState.NOT_LOADED) { + // only load if fragment is not loaded + this.fragCurrent = foundFrag; + this.state = State.FRAG_LOADING; + this.hls.trigger(events["default"].FRAG_LOADING, { + frag: foundFrag + }); + } + } + } + }; + _proto.stopLoad = function stopLoad() { + this.lastAVStart = 0; + _BaseStreamController.prototype.stopLoad.call(this); + }; + _proto._getBuffered = function _getBuffered() { + return this.tracksBuffered[this.currentTrackId] || []; + }; + _proto.onMediaSeeking = function onMediaSeeking() { + this.fragPrevious = null; + }; + return SubtitleStreamController; +}(base_stream_controller_BaseStreamController); +// CONCATENATED MODULE: ./src/utils/mediakeys-helper.ts +/** + * @see https://developer.mozilla.org/en-US/docs/Web/API/Navigator/requestMediaKeySystemAccess + */ +var KeySystems; +(function (KeySystems) { + KeySystems["WIDEVINE"] = "com.widevine.alpha"; + KeySystems["PLAYREADY"] = "com.microsoft.playready"; +})(KeySystems || (KeySystems = {})); +var requestMediaKeySystemAccess = function () { + if (typeof window !== 'undefined' && window.navigator && window.navigator.requestMediaKeySystemAccess) { + return window.navigator.requestMediaKeySystemAccess.bind(window.navigator); + } else { + return null; + } +}(); -// TS todo: Reduce usage of any -var timeline_controller_TimelineController = -/*#__PURE__*/ -function (_EventHandler) { - timeline_controller_inheritsLoose(TimelineController, _EventHandler); - function TimelineController(hls) { - var _this; +// CONCATENATED MODULE: ./src/controller/eme-controller.ts +function eme_controller_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } - _this = _EventHandler.call(this, hls, events["default"].MEDIA_ATTACHING, events["default"].MEDIA_DETACHING, events["default"].FRAG_PARSING_USERDATA, events["default"].FRAG_DECRYPTED, events["default"].MANIFEST_LOADING, events["default"].MANIFEST_LOADED, events["default"].FRAG_LOADED, events["default"].INIT_PTS_FOUND) || this; - _this.media = null; - _this.config = void 0; - _this.enabled = true; - _this.Cues = void 0; - _this.textTracks = []; - _this.tracks = []; - _this.initPTS = []; - _this.unparsedVttFrags = []; - _this.cueRanges = []; - _this.captionsTracks = {}; - _this.captionsProperties = void 0; - _this.cea608Parser = void 0; - _this.lastSn = -1; - _this.prevCC = -1; - _this.vttCCs = null; - _this.hls = hls; - _this.config = hls.config; - _this.Cues = hls.config.cueHandler; - _this.captionsProperties = { - textTrack1: { - label: _this.config.captionsTextTrack1Label, - languageCode: _this.config.captionsTextTrack1LanguageCode - }, - textTrack2: { - label: _this.config.captionsTextTrack2Label, - languageCode: _this.config.captionsTextTrack2LanguageCode - } - }; +function eme_controller_createClass(Constructor, protoProps, staticProps) { if (protoProps) eme_controller_defineProperties(Constructor.prototype, protoProps); if (staticProps) eme_controller_defineProperties(Constructor, staticProps); return Constructor; } - if (_this.config.enableCEA708Captions) { - var channel1 = new OutputFilter(timeline_controller_assertThisInitialized(_this), 'textTrack1'); - var channel2 = new OutputFilter(timeline_controller_assertThisInitialized(_this), 'textTrack2'); - _this.cea608Parser = new cea_608_parser(0, channel1, channel2); - } +function eme_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } - return _this; - } +/** + * @author Stephan Hesse <disparat@gmail.com> | <tchakabam@gmail.com> + * + * DRM support for Hls.js + */ - var _proto = TimelineController.prototype; - _proto.addCues = function addCues(trackName, startTime, endTime, screen) { - // skip cues which overlap more than 50% with previously parsed time ranges - var ranges = this.cueRanges; - var merged = false; - for (var i = ranges.length; i--;) { - var cueRange = ranges[i]; - var overlap = intersection(cueRange[0], cueRange[1], startTime, endTime); - if (overlap >= 0) { - cueRange[0] = Math.min(cueRange[0], startTime); - cueRange[1] = Math.max(cueRange[1], endTime); - merged = true; - if (overlap / (endTime - startTime) > 0.5) { - return; - } - } - } +var MAX_LICENSE_REQUEST_FAILURES = 3; +/** + * @see https://developer.mozilla.org/en-US/docs/Web/API/MediaKeySystemConfiguration + * @param {Array<string>} audioCodecs List of required audio codecs to support + * @param {Array<string>} videoCodecs List of required video codecs to support + * @param {object} drmSystemOptions Optional parameters/requirements for the key-system + * @returns {Array<MediaSystemConfiguration>} An array of supported configurations + */ - if (!merged) { - ranges.push([startTime, endTime]); - } +var createWidevineMediaKeySystemConfigurations = function createWidevineMediaKeySystemConfigurations(audioCodecs, videoCodecs) { + /* jshint ignore:line */ + var baseConfig = { + // initDataTypes: ['keyids', 'mp4'], + // label: "", + // persistentState: "not-allowed", // or "required" ? + // distinctiveIdentifier: "not-allowed", // or "required" ? + // sessionTypes: ['temporary'], + videoCapabilities: [] // { contentType: 'video/mp4; codecs="avc1.42E01E"' } - this.Cues.newCue(this.captionsTracks[trackName], startTime, endTime, screen); - } // Triggered when an initial PTS is found; used for synchronisation of WebVTT. - ; + }; + videoCodecs.forEach(function (codec) { + baseConfig.videoCapabilities.push({ + contentType: "video/mp4; codecs=\"" + codec + "\"" + }); + }); + return [baseConfig]; +}; +/** + * The idea here is to handle key-system (and their respective platforms) specific configuration differences + * in order to work with the local requestMediaKeySystemAccess method. + * + * We can also rule-out platform-related key-system support at this point by throwing an error. + * + * @param {string} keySystem Identifier for the key-system, see `KeySystems` enum + * @param {Array<string>} audioCodecs List of required audio codecs to support + * @param {Array<string>} videoCodecs List of required video codecs to support + * @throws will throw an error if a unknown key system is passed + * @returns {Array<MediaSystemConfiguration>} A non-empty Array of MediaKeySystemConfiguration objects + */ - _proto.onInitPtsFound = function onInitPtsFound(data) { - var _this2 = this; - var frag = data.frag, - id = data.id, - initPTS = data.initPTS; - var unparsedVttFrags = this.unparsedVttFrags; +var eme_controller_getSupportedMediaKeySystemConfigurations = function getSupportedMediaKeySystemConfigurations(keySystem, audioCodecs, videoCodecs) { + switch (keySystem) { + case KeySystems.WIDEVINE: + return createWidevineMediaKeySystemConfigurations(audioCodecs, videoCodecs); - if (id === 'main') { - this.initPTS[frag.cc] = initPTS; - } // Due to asynchronous processing, initial PTS may arrive later than the first VTT fragments are loaded. - // Parse any unparsed fragments upon receiving the initial PTS. + default: + throw new Error("Unknown key-system: " + keySystem); + } +}; +/** + * Controller to deal with encrypted media extensions (EME) + * @see https://developer.mozilla.org/en-US/docs/Web/API/Encrypted_Media_Extensions_API + * + * @class + * @constructor + */ +var eme_controller_EMEController = +/*#__PURE__*/ +function (_EventHandler) { + eme_controller_inheritsLoose(EMEController, _EventHandler); - if (unparsedVttFrags.length) { - this.unparsedVttFrags = []; - unparsedVttFrags.forEach(function (frag) { - _this2.onFragLoaded(frag); - }); - } - }; + /** + * @constructs + * @param {Hls} hls Our Hls.js instance + */ + function EMEController(hls) { + var _this; - _proto.getExistingTrack = function getExistingTrack(trackName) { - var media = this.media; + _this = _EventHandler.call(this, hls, events["default"].MEDIA_ATTACHED, events["default"].MEDIA_DETACHED, events["default"].MANIFEST_PARSED) || this; + _this._widevineLicenseUrl = void 0; + _this._licenseXhrSetup = void 0; + _this._emeEnabled = void 0; + _this._requestMediaKeySystemAccess = void 0; + _this._config = void 0; + _this._mediaKeysList = []; + _this._media = null; + _this._hasSetMediaKeys = false; + _this._requestLicenseFailureCount = 0; - if (media) { - for (var i = 0; i < media.textTracks.length; i++) { - var textTrack = media.textTracks[i]; + _this._onMediaEncrypted = function (e) { + logger["logger"].log("Media is encrypted using \"" + e.initDataType + "\" init data type"); - if (textTrack[trackName]) { - return textTrack; - } - } - } + _this._attemptSetMediaKeys(); - return null; - }; + _this._generateRequestWithPreferredKeySession(e.initDataType, e.initData); + }; - _proto.createCaptionsTrack = function createCaptionsTrack(trackName) { - var captionsProperties = this.captionsProperties, - captionsTracks = this.captionsTracks, - media = this.media; - var _captionsProperties$t = captionsProperties[trackName], - label = _captionsProperties$t.label, - languageCode = _captionsProperties$t.languageCode; + _this._config = hls.config; + _this._widevineLicenseUrl = _this._config.widevineLicenseUrl; + _this._licenseXhrSetup = _this._config.licenseXhrSetup; + _this._emeEnabled = _this._config.emeEnabled; + _this._requestMediaKeySystemAccess = _this._config.requestMediaKeySystemAccessFunc; + return _this; + } + /** + * @param {string} keySystem Identifier for the key-system, see `KeySystems` enum + * @returns {string} License server URL for key-system (if any configured, otherwise causes error) + * @throws if a unsupported keysystem is passed + */ - if (!captionsTracks[trackName]) { - // Enable reuse of existing text track. - var existingTrack = this.getExistingTrack(trackName); - if (!existingTrack) { - var textTrack = this.createTextTrack('captions', label, languageCode); + var _proto = EMEController.prototype; - if (textTrack) { - // Set a special property on the track so we know it's managed by Hls.js - textTrack[trackName] = true; - captionsTracks[trackName] = textTrack; + _proto.getLicenseServerUrl = function getLicenseServerUrl(keySystem) { + switch (keySystem) { + case KeySystems.WIDEVINE: + if (!this._widevineLicenseUrl) { + break; } - } else { - captionsTracks[trackName] = existingTrack; - clearCurrentCues(captionsTracks[trackName]); - sendAddTrackEvent(captionsTracks[trackName], media); - } - } - }; - - _proto.createTextTrack = function createTextTrack(kind, label, lang) { - var media = this.media; - if (!media) { - return; + return this._widevineLicenseUrl; } - return media.addTextTrack(kind, label, lang); - }; - - _proto.destroy = function destroy() { - _EventHandler.prototype.destroy.call(this); - }; + throw new Error("no license server URL configured for key-system \"" + keySystem + "\""); + } + /** + * Requests access object and adds it to our list upon success + * @private + * @param {string} keySystem System ID (see `KeySystems`) + * @param {Array<string>} audioCodecs List of required audio codecs to support + * @param {Array<string>} videoCodecs List of required video codecs to support + * @throws When a unsupported KeySystem is passed + */ + ; - _proto.onMediaAttaching = function onMediaAttaching(data) { - this.media = data.media; + _proto._attemptKeySystemAccess = function _attemptKeySystemAccess(keySystem, audioCodecs, videoCodecs) { + var _this2 = this; - this._cleanTracks(); - }; + // TODO: add other DRM "options" + // This can throw, but is caught in event handler callpath + var mediaKeySystemConfigs = eme_controller_getSupportedMediaKeySystemConfigurations(keySystem, audioCodecs, videoCodecs); + logger["logger"].log('Requesting encrypted media key-system access'); // expecting interface like window.navigator.requestMediaKeySystemAccess - _proto.onMediaDetaching = function onMediaDetaching() { - var captionsTracks = this.captionsTracks; - Object.keys(captionsTracks).forEach(function (trackName) { - clearCurrentCues(captionsTracks[trackName]); - delete captionsTracks[trackName]; + this.requestMediaKeySystemAccess(keySystem, mediaKeySystemConfigs).then(function (mediaKeySystemAccess) { + _this2._onMediaKeySystemAccessObtained(keySystem, mediaKeySystemAccess); + }).catch(function (err) { + logger["logger"].error("Failed to obtain key-system \"" + keySystem + "\" access:", err); }); }; - _proto.onManifestLoading = function onManifestLoading() { - this.lastSn = -1; // Detect discontiguity in fragment parsing + /** + * Handles obtaining access to a key-system + * @private + * @param {string} keySystem + * @param {MediaKeySystemAccess} mediaKeySystemAccess https://developer.mozilla.org/en-US/docs/Web/API/MediaKeySystemAccess + */ + _proto._onMediaKeySystemAccessObtained = function _onMediaKeySystemAccessObtained(keySystem, mediaKeySystemAccess) { + var _this3 = this; - this.prevCC = -1; - this.vttCCs = { - // Detect discontinuity in subtitle manifests - ccOffset: 0, - presentationOffset: 0, - 0: { - start: 0, - prevCC: -1, - new: false - } + logger["logger"].log("Access for key-system \"" + keySystem + "\" obtained"); + var mediaKeysListItem = { + mediaKeysSessionInitialized: false, + mediaKeySystemAccess: mediaKeySystemAccess, + mediaKeySystemDomain: keySystem }; - this._cleanTracks(); - }; + this._mediaKeysList.push(mediaKeysListItem); - _proto._cleanTracks = function _cleanTracks() { - // clear outdated subtitles - var media = this.media; + mediaKeySystemAccess.createMediaKeys().then(function (mediaKeys) { + mediaKeysListItem.mediaKeys = mediaKeys; + logger["logger"].log("Media-keys created for key-system \"" + keySystem + "\""); - if (!media) { - return; - } + _this3._onMediaKeysCreated(); + }).catch(function (err) { + logger["logger"].error('Failed to create media-keys:', err); + }); + } + /** + * Handles key-creation (represents access to CDM). We are going to create key-sessions upon this + * for all existing keys where no session exists yet. + * + * @private + */ + ; - var textTracks = media.textTracks; + _proto._onMediaKeysCreated = function _onMediaKeysCreated() { + var _this4 = this; - if (textTracks) { - for (var i = 0; i < textTracks.length; i++) { - clearCurrentCues(textTracks[i]); + // check for all key-list items if a session exists, otherwise, create one + this._mediaKeysList.forEach(function (mediaKeysListItem) { + if (!mediaKeysListItem.mediaKeysSession) { + // mediaKeys is definitely initialized here + mediaKeysListItem.mediaKeysSession = mediaKeysListItem.mediaKeys.createSession(); + + _this4._onNewMediaKeySession(mediaKeysListItem.mediaKeysSession); } - } - }; + }); + } + /** + * @private + * @param {*} keySession + */ + ; - _proto.onManifestLoaded = function onManifestLoaded(data) { - var _this3 = this; + _proto._onNewMediaKeySession = function _onNewMediaKeySession(keySession) { + var _this5 = this; - this.textTracks = []; - this.unparsedVttFrags = this.unparsedVttFrags || []; - this.initPTS = []; - this.cueRanges = []; + logger["logger"].log("New key-system session " + keySession.sessionId); + keySession.addEventListener('message', function (event) { + _this5._onKeySessionMessage(keySession, event.message); + }, false); + } + /** + * @private + * @param {MediaKeySession} keySession + * @param {ArrayBuffer} message + */ + ; - if (this.config.enableWebVTT) { - this.tracks = data.subtitles || []; - var inUseTracks = this.media ? this.media.textTracks : []; - this.tracks.forEach(function (track, index) { - var textTrack; + _proto._onKeySessionMessage = function _onKeySessionMessage(keySession, message) { + logger["logger"].log('Got EME message event, creating license request'); - if (index < inUseTracks.length) { - var inUseTrack = null; + this._requestLicense(message, function (data) { + logger["logger"].log("Received license data (length: " + (data ? data.byteLength : data) + "), updating key-session"); + keySession.update(data); + }); + } + /** + * @private + * @param {string} initDataType + * @param {ArrayBuffer|null} initData + */ + ; - for (var i = 0; i < inUseTracks.length; i++) { - if (canReuseVttTextTrack(inUseTracks[i], track)) { - inUseTrack = inUseTracks[i]; - break; - } - } // Reuse tracks with the same label, but do not reuse 608/708 tracks + /** + * @private + */ + _proto._attemptSetMediaKeys = function _attemptSetMediaKeys() { + if (!this._media) { + throw new Error('Attempted to set mediaKeys without first attaching a media element'); + } + if (!this._hasSetMediaKeys) { + // FIXME: see if we can/want/need-to really to deal with several potential key-sessions? + var keysListItem = this._mediaKeysList[0]; - if (inUseTrack) { - textTrack = inUseTrack; - } - } + if (!keysListItem || !keysListItem.mediaKeys) { + logger["logger"].error('Fatal: Media is encrypted but no CDM access or no keys have been obtained yet'); + this.hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].KEY_SYSTEM_ERROR, + details: errors["ErrorDetails"].KEY_SYSTEM_NO_KEYS, + fatal: true + }); + return; + } - if (!textTrack) { - textTrack = _this3.createTextTrack('subtitles', track.name, track.lang); - } + logger["logger"].log('Setting keys for encrypted media'); - if (track.default) { - textTrack.mode = _this3.hls.subtitleDisplay ? 'showing' : 'hidden'; - } else { - textTrack.mode = 'disabled'; - } + this._media.setMediaKeys(keysListItem.mediaKeys); - _this3.textTracks.push(textTrack); - }); + this._hasSetMediaKeys = true; } - }; + } + /** + * @private + */ + ; - _proto.onFragLoaded = function onFragLoaded(data) { - var frag = data.frag, - payload = data.payload; - var cea608Parser = this.cea608Parser, - initPTS = this.initPTS, - lastSn = this.lastSn, - unparsedVttFrags = this.unparsedVttFrags; + _proto._generateRequestWithPreferredKeySession = function _generateRequestWithPreferredKeySession(initDataType, initData) { + var _this6 = this; - if (frag.type === 'main') { - var sn = frag.sn; // if this frag isn't contiguous, clear the parser so cues with bad start/end times aren't added to the textTrack + // FIXME: see if we can/want/need-to really to deal with several potential key-sessions? + var keysListItem = this._mediaKeysList[0]; - if (frag.sn !== lastSn + 1) { - if (cea608Parser) { - cea608Parser.reset(); - } - } + if (!keysListItem) { + logger["logger"].error('Fatal: Media is encrypted but not any key-system access has been obtained yet'); + this.hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].KEY_SYSTEM_ERROR, + details: errors["ErrorDetails"].KEY_SYSTEM_NO_ACCESS, + fatal: true + }); + return; + } - this.lastSn = sn; - } // eslint-disable-line brace-style - // If fragment is subtitle type, parse as WebVTT. - else if (frag.type === 'subtitle') { - if (payload.byteLength) { - // We need an initial synchronisation PTS. Store fragments as long as none has arrived. - if (!Object(number_isFinite["isFiniteNumber"])(initPTS[frag.cc])) { - unparsedVttFrags.push(data); + if (keysListItem.mediaKeysSessionInitialized) { + logger["logger"].warn('Key-Session already initialized but requested again'); + return; + } - if (initPTS.length) { - // finish unsuccessfully, otherwise the subtitle-stream-controller could be blocked from loading new frags. - this.hls.trigger(events["default"].SUBTITLE_FRAG_PROCESSED, { - success: false, - frag: frag - }); - } + var keySession = keysListItem.mediaKeysSession; - return; - } + if (!keySession) { + logger["logger"].error('Fatal: Media is encrypted but no key-session existing'); + this.hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].KEY_SYSTEM_ERROR, + details: errors["ErrorDetails"].KEY_SYSTEM_NO_SESSION, + fatal: true + }); + return; + } // initData is null if the media is not CORS-same-origin - var decryptData = frag.decryptdata; // If the subtitles are not encrypted, parse VTTs now. Otherwise, we need to wait. - if (decryptData == null || decryptData.key == null || decryptData.method !== 'AES-128') { - this._parseVTTs(frag, payload); - } - } else { - // In case there is no payload, finish unsuccessfully. - this.hls.trigger(events["default"].SUBTITLE_FRAG_PROCESSED, { - success: false, - frag: frag - }); - } - } - }; + if (!initData) { + logger["logger"].warn('Fatal: initData required for generating a key session is null'); + this.hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].KEY_SYSTEM_ERROR, + details: errors["ErrorDetails"].KEY_SYSTEM_NO_INIT_DATA, + fatal: true + }); + return; + } - _proto._parseVTTs = function _parseVTTs(frag, payload) { - var hls = this.hls, - prevCC = this.prevCC, - textTracks = this.textTracks, - vttCCs = this.vttCCs; + logger["logger"].log("Generating key-session request for \"" + initDataType + "\" init data type"); + keysListItem.mediaKeysSessionInitialized = true; + keySession.generateRequest(initDataType, initData).then(function () { + logger["logger"].debug('Key-session generation succeeded'); + }).catch(function (err) { + logger["logger"].error('Error generating key-session request:', err); - if (!vttCCs[frag.cc]) { - vttCCs[frag.cc] = { - start: frag.start, - prevCC: prevCC, - new: true - }; - this.prevCC = frag.cc; - } // Parse the WebVTT file contents. + _this6.hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].KEY_SYSTEM_ERROR, + details: errors["ErrorDetails"].KEY_SYSTEM_NO_SESSION, + fatal: false + }); + }); + } + /** + * @private + * @param {string} url License server URL + * @param {ArrayBuffer} keyMessage Message data issued by key-system + * @param {function} callback Called when XHR has succeeded + * @returns {XMLHttpRequest} Unsent (but opened state) XHR object + * @throws if XMLHttpRequest construction failed + */ + ; + _proto._createLicenseXhr = function _createLicenseXhr(url, keyMessage, callback) { + var xhr = new XMLHttpRequest(); + var licenseXhrSetup = this._licenseXhrSetup; - webvtt_parser.parse(payload, this.initPTS[frag.cc], vttCCs, frag.cc, function (cues) { - var currentTrack = textTracks[frag.level]; // WebVTTParser.parse is an async method and if the currently selected text track mode is set to "disabled" - // before parsing is done then don't try to access currentTrack.cues.getCueById as cues will be null - // and trying to access getCueById method of cues will throw an exception + try { + if (licenseXhrSetup) { + try { + licenseXhrSetup(xhr, url); + } catch (e) { + // let's try to open before running setup + xhr.open('POST', url, true); + licenseXhrSetup(xhr, url); + } + } // if licenseXhrSetup did not yet call open, let's do it now - if (currentTrack.mode === 'disabled') { - hls.trigger(events["default"].SUBTITLE_FRAG_PROCESSED, { - success: false, - frag: frag - }); - return; + + if (!xhr.readyState) { + xhr.open('POST', url, true); } + } catch (e) { + // IE11 throws an exception on xhr.open if attempting to access an HTTP resource over HTTPS + throw new Error("issue setting up KeySystem license XHR " + e); + } // Because we set responseType to ArrayBuffer here, callback is typed as handling only array buffers - var minStartTime = Number.MAX_SAFE_INTEGER; // Add cues and trigger event with success true. - cues.forEach(function (cue) { - //find the first cue in the entire cue set since its not always sorted - minStartTime = Math.min(cue.startTime, minStartTime); // Sometimes there are cue overlaps on segmented vtts so the same - // cue can appear more than once in different vtt files. - // This avoid showing duplicated cues with same timecode and text. + xhr.responseType = 'arraybuffer'; + xhr.onreadystatechange = this._onLicenseRequestReadyStageChange.bind(this, xhr, url, keyMessage, callback); + return xhr; + } + /** + * @private + * @param {XMLHttpRequest} xhr + * @param {string} url License server URL + * @param {ArrayBuffer} keyMessage Message data issued by key-system + * @param {function} callback Called when XHR has succeeded + */ + ; - if (!currentTrack.cues.getCueById(cue.id)) { - try { - currentTrack.addCue(cue); + _proto._onLicenseRequestReadyStageChange = function _onLicenseRequestReadyStageChange(xhr, url, keyMessage, callback) { + switch (xhr.readyState) { + case 4: + if (xhr.status === 200) { + this._requestLicenseFailureCount = 0; + logger["logger"].log('License request succeeded'); - if (!currentTrack.cues.getCueById(cue.id)) { - throw new Error("addCue is failed for: " + cue); - } - } catch (err) { - logger["logger"].debug("Failed occurred on adding cues: " + err); - var textTrackCue = new window.TextTrackCue(cue.startTime, cue.endTime, cue.text); - textTrackCue.id = cue.id; - currentTrack.addCue(textTrackCue); + if (xhr.responseType !== 'arraybuffer') { + logger["logger"].warn('xhr response type was not set to the expected arraybuffer for license request'); } - } - }); - var liveSyncPosition = hls.streamController.liveSyncPosition; //need to remove cues only for live so if there is no sync position its a VOD - // if there is a better way to detect live vs vod we can use it. - while (cues.length > 0 && liveSyncPosition !== undefined) { - //We remove cues which are more than 5 minutes old than the current cue - if (currentTrack.cues[0].startTime < minStartTime - 300) { - currentTrack.removeCue(currentTrack.cues[0]); + callback(xhr.response); } else { - break; - } - } + logger["logger"].error("License Request XHR failed (" + url + "). Status: " + xhr.status + " (" + xhr.statusText + ")"); + this._requestLicenseFailureCount++; - hls.trigger(events["default"].SUBTITLE_FRAG_PROCESSED, { - success: true, - frag: frag - }); - }, function (e) { - // Something went wrong while parsing. Trigger event with success false. - logger["logger"].log("Failed to parse VTT cue: " + e); - hls.trigger(events["default"].SUBTITLE_FRAG_PROCESSED, { - success: false, - frag: frag - }); - }); - }; + if (this._requestLicenseFailureCount > MAX_LICENSE_REQUEST_FAILURES) { + this.hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].KEY_SYSTEM_ERROR, + details: errors["ErrorDetails"].KEY_SYSTEM_LICENSE_REQUEST_FAILED, + fatal: true + }); + return; + } - _proto.onFragDecrypted = function onFragDecrypted(data) { - var frag = data.frag, - payload = data.payload; + var attemptsLeft = MAX_LICENSE_REQUEST_FAILURES - this._requestLicenseFailureCount + 1; + logger["logger"].warn("Retrying license request, " + attemptsLeft + " attempts left"); - if (frag.type === 'subtitle') { - if (!Object(number_isFinite["isFiniteNumber"])(this.initPTS[frag.cc])) { - this.unparsedVttFrags.push(data); - return; - } + this._requestLicense(keyMessage, callback); + } - this._parseVTTs(frag, payload); + break; } - }; + } + /** + * @private + * @param {MediaKeysListItem} keysListItem + * @param {ArrayBuffer} keyMessage + * @returns {ArrayBuffer} Challenge data posted to license server + * @throws if KeySystem is unsupported + */ + ; - _proto.onFragParsingUserdata = function onFragParsingUserdata(data) { - if (!this.enabled || !this.cea608Parser) { - return; - } // If the event contains captions (found in the bytes property), push all bytes into the parser immediately - // It will create the proper timestamps based on the PTS value + _proto._generateLicenseRequestChallenge = function _generateLicenseRequestChallenge(keysListItem, keyMessage) { + switch (keysListItem.mediaKeySystemDomain) { + // case KeySystems.PLAYREADY: + // from https://github.com/MicrosoftEdge/Demos/blob/master/eme/scripts/demo.js + + /* + if (this.licenseType !== this.LICENSE_TYPE_WIDEVINE) { + // For PlayReady CDMs, we need to dig the Challenge out of the XML. + var keyMessageXml = new DOMParser().parseFromString(String.fromCharCode.apply(null, new Uint16Array(keyMessage)), 'application/xml'); + if (keyMessageXml.getElementsByTagName('Challenge')[0]) { + challenge = atob(keyMessageXml.getElementsByTagName('Challenge')[0].childNodes[0].nodeValue); + } else { + throw 'Cannot find <Challenge> in key message'; + } + var headerNames = keyMessageXml.getElementsByTagName('name'); + var headerValues = keyMessageXml.getElementsByTagName('value'); + if (headerNames.length !== headerValues.length) { + throw 'Mismatched header <name>/<value> pair in key message'; + } + for (var i = 0; i < headerNames.length; i++) { + xhr.setRequestHeader(headerNames[i].childNodes[0].nodeValue, headerValues[i].childNodes[0].nodeValue); + } + } + break; + */ + case KeySystems.WIDEVINE: + // For Widevine CDMs, the challenge is the keyMessage. + return keyMessage; + } + throw new Error("unsupported key-system: " + keysListItem.mediaKeySystemDomain); + } + /** + * @private + * @param keyMessage + * @param callback + */ + ; - for (var i = 0; i < data.samples.length; i++) { - var ccBytes = data.samples[i].bytes; + _proto._requestLicense = function _requestLicense(keyMessage, callback) { + logger["logger"].log('Requesting content license for key-system'); + var keysListItem = this._mediaKeysList[0]; - if (ccBytes) { - var ccdatas = this.extractCea608Data(ccBytes); - this.cea608Parser.addData(data.samples[i].pts, ccdatas); - } + if (!keysListItem) { + logger["logger"].error('Fatal error: Media is encrypted but no key-system access has been obtained yet'); + this.hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].KEY_SYSTEM_ERROR, + details: errors["ErrorDetails"].KEY_SYSTEM_NO_ACCESS, + fatal: true + }); + return; } - }; - _proto.extractCea608Data = function extractCea608Data(byteArray) { - var count = byteArray[0] & 31; - var position = 2; - var tmpByte, ccbyte1, ccbyte2, ccValid, ccType; - var actualCCBytes = []; + try { + var _url = this.getLicenseServerUrl(keysListItem.mediaKeySystemDomain); - for (var j = 0; j < count; j++) { - tmpByte = byteArray[position++]; - ccbyte1 = 0x7F & byteArray[position++]; - ccbyte2 = 0x7F & byteArray[position++]; - ccValid = (4 & tmpByte) !== 0; - ccType = 3 & tmpByte; + var _xhr = this._createLicenseXhr(_url, keyMessage, callback); - if (ccbyte1 === 0 && ccbyte2 === 0) { - continue; - } + logger["logger"].log("Sending license request to URL: " + _url); - if (ccValid) { - if (ccType === 0) { - // || ccType === 1 - actualCCBytes.push(ccbyte1); - actualCCBytes.push(ccbyte2); - } - } - } + var challenge = this._generateLicenseRequestChallenge(keysListItem, keyMessage); - return actualCCBytes; + _xhr.send(challenge); + } catch (e) { + logger["logger"].error("Failure requesting DRM license: " + e); + this.hls.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].KEY_SYSTEM_ERROR, + details: errors["ErrorDetails"].KEY_SYSTEM_LICENSE_REQUEST_FAILED, + fatal: true + }); + } }; - return TimelineController; -}(event_handler); + _proto.onMediaAttached = function onMediaAttached(data) { + if (!this._emeEnabled) { + return; + } -function canReuseVttTextTrack(inUseTrack, manifestTrack) { - return inUseTrack && inUseTrack.label === manifestTrack.name && !(inUseTrack.textTrack1 || inUseTrack.textTrack2); -} + var media = data.media; // keep reference of media -function intersection(x1, x2, y1, y2) { - return Math.min(x2, y2) - Math.max(x1, y1); -} + this._media = media; + media.addEventListener('encrypted', this._onMediaEncrypted); + }; -/* harmony default export */ var timeline_controller = (timeline_controller_TimelineController); -// CONCATENATED MODULE: ./src/controller/subtitle-track-controller.js + _proto.onMediaDetached = function onMediaDetached() { + if (this._media) { + this._media.removeEventListener('encrypted', this._onMediaEncrypted); + this._media = null; // release reference + } + } // TODO: Use manifest types here when they are defined + ; + _proto.onManifestParsed = function onManifestParsed(data) { + if (!this._emeEnabled) { + return; + } + var audioCodecs = data.levels.map(function (level) { + return level.audioCodec; + }); + var videoCodecs = data.levels.map(function (level) { + return level.videoCodec; + }); -function subtitle_track_controller_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } + this._attemptKeySystemAccess(KeySystems.WIDEVINE, audioCodecs, videoCodecs); + }; -function subtitle_track_controller_createClass(Constructor, protoProps, staticProps) { if (protoProps) subtitle_track_controller_defineProperties(Constructor.prototype, protoProps); if (staticProps) subtitle_track_controller_defineProperties(Constructor, staticProps); return Constructor; } + eme_controller_createClass(EMEController, [{ + key: "requestMediaKeySystemAccess", + get: function get() { + if (!this._requestMediaKeySystemAccess) { + throw new Error('No requestMediaKeySystemAccess function configured'); + } -function subtitle_track_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } + return this._requestMediaKeySystemAccess; + } + }]); + return EMEController; +}(event_handler); +/* harmony default export */ var eme_controller = (eme_controller_EMEController); +// CONCATENATED MODULE: ./src/config.ts +function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; } +function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } +/** + * HLS config + */ -var subtitle_track_controller_SubtitleTrackController = -/*#__PURE__*/ -function (_EventHandler) { - subtitle_track_controller_inheritsLoose(SubtitleTrackController, _EventHandler); - function SubtitleTrackController(hls) { - var _this; + // import FetchLoader from './utils/fetch-loader'; - _this = _EventHandler.call(this, hls, events["default"].MEDIA_ATTACHED, events["default"].MEDIA_DETACHING, events["default"].MANIFEST_LOADED, events["default"].SUBTITLE_TRACK_LOADED) || this; - _this.tracks = []; - _this.trackId = -1; - _this.media = null; - _this.stopped = true; - /** - * @member {boolean} subtitleDisplay Enable/disable subtitle display rendering - */ - _this.subtitleDisplay = true; - /** - * Keeps reference to a default track id when media has not been attached yet - * @member {number} - */ - _this.queuedDefaultTrack = null; - return _this; - } - var _proto = SubtitleTrackController.prototype; - _proto.destroy = function destroy() { - event_handler.prototype.destroy.call(this); - } // Listen for subtitle track change, then extract the current track ID. - ; - _proto.onMediaAttached = function onMediaAttached(data) { - var _this2 = this; - this.media = data.media; - if (!this.media) { - return; - } - if (Object(number_isFinite["isFiniteNumber"])(this.queuedDefaultTrack)) { - this.subtitleTrack = this.queuedDefaultTrack; - this.queuedDefaultTrack = null; - } +// If possible, keep hlsDefaultConfig shallow +// It is cloned whenever a new Hls instance is created, by keeping the config +var hlsDefaultConfig = _objectSpread({ + autoStartLoad: true, + // used by stream-controller + startPosition: -1, + // used by stream-controller + defaultAudioCodec: void 0, + // used by stream-controller + debug: false, + // used by logger + capLevelOnFPSDrop: false, + // used by fps-controller + capLevelToPlayerSize: false, + // used by cap-level-controller + initialLiveManifestSize: 1, + // used by stream-controller + maxBufferLength: 30, + // used by stream-controller + maxBufferSize: 60 * 1000 * 1000, + // used by stream-controller + maxBufferHole: 0.5, + // used by stream-controller + lowBufferWatchdogPeriod: 0.5, + // used by stream-controller + highBufferWatchdogPeriod: 3, + // used by stream-controller + nudgeOffset: 0.1, + // used by stream-controller + nudgeMaxRetry: 3, + // used by stream-controller + maxFragLookUpTolerance: 0.25, + // used by stream-controller + liveSyncDurationCount: 3, + // used by stream-controller + liveMaxLatencyDurationCount: Infinity, + // used by stream-controller + liveSyncDuration: void 0, + // used by stream-controller + liveMaxLatencyDuration: void 0, + // used by stream-controller + liveDurationInfinity: false, + // used by buffer-controller + liveBackBufferLength: Infinity, + // used by buffer-controller + maxMaxBufferLength: 600, + // used by stream-controller + enableWorker: true, + // used by demuxer + enableSoftwareAES: true, + // used by decrypter + manifestLoadingTimeOut: 10000, + // used by playlist-loader + manifestLoadingMaxRetry: 1, + // used by playlist-loader + manifestLoadingRetryDelay: 1000, + // used by playlist-loader + manifestLoadingMaxRetryTimeout: 64000, + // used by playlist-loader + startLevel: void 0, + // used by level-controller + levelLoadingTimeOut: 10000, + // used by playlist-loader + levelLoadingMaxRetry: 4, + // used by playlist-loader + levelLoadingRetryDelay: 1000, + // used by playlist-loader + levelLoadingMaxRetryTimeout: 64000, + // used by playlist-loader + fragLoadingTimeOut: 20000, + // used by fragment-loader + fragLoadingMaxRetry: 6, + // used by fragment-loader + fragLoadingRetryDelay: 1000, + // used by fragment-loader + fragLoadingMaxRetryTimeout: 64000, + // used by fragment-loader + startFragPrefetch: false, + // used by stream-controller + fpsDroppedMonitoringPeriod: 5000, + // used by fps-controller + fpsDroppedMonitoringThreshold: 0.2, + // used by fps-controller + appendErrorMaxRetry: 3, + // used by buffer-controller + loader: xhr_loader, + // loader: FetchLoader, + fLoader: void 0, + // used by fragment-loader + pLoader: void 0, + // used by playlist-loader + xhrSetup: void 0, + // used by xhr-loader + licenseXhrSetup: void 0, + // used by eme-controller + // fetchSetup: void 0, + abrController: abr_controller, + bufferController: buffer_controller, + capLevelController: cap_level_controller, + fpsController: fps_controller, + stretchShortVideoTrack: false, + // used by mp4-remuxer + maxAudioFramesDrift: 1, + // used by mp4-remuxer + forceKeyFrameOnDiscontinuity: true, + // used by ts-demuxer + abrEwmaFastLive: 3, + // used by abr-controller + abrEwmaSlowLive: 9, + // used by abr-controller + abrEwmaFastVoD: 3, + // used by abr-controller + abrEwmaSlowVoD: 9, + // used by abr-controller + abrEwmaDefaultEstimate: 5e5, + // 500 kbps // used by abr-controller + abrBandWidthFactor: 0.95, + // used by abr-controller + abrBandWidthUpFactor: 0.7, + // used by abr-controller + abrMaxWithRealBitrate: false, + // used by abr-controller + maxStarvationDelay: 4, + // used by abr-controller + maxLoadingDelay: 4, + // used by abr-controller + minAutoBitrate: 0, + // used by hls + emeEnabled: false, + // used by eme-controller + widevineLicenseUrl: void 0, + // used by eme-controller + requestMediaKeySystemAccessFunc: requestMediaKeySystemAccess +}, timelineConfig(), { + subtitleStreamController: true ? subtitle_stream_controller_SubtitleStreamController : undefined, + subtitleTrackController: true ? subtitle_track_controller : undefined, + timelineController: true ? timeline_controller : undefined, + audioStreamController: true ? audio_stream_controller : undefined, + audioTrackController: true ? audio_track_controller : undefined, + emeController: true ? eme_controller : undefined +}); - this.trackChangeListener = this._onTextTracksChanged.bind(this); - this.useTextTrackPolling = !(this.media.textTracks && 'onchange' in this.media.textTracks); +function timelineConfig() { + if (false) {} + + return { + cueHandler: cues_namespaceObject, + // used by timeline-controller + enableCEA708Captions: true, + // used by timeline-controller + enableWebVTT: true, + // used by timeline-controller + captionsTextTrack1Label: 'English', + // used by timeline-controller + captionsTextTrack1LanguageCode: 'en', + // used by timeline-controller + captionsTextTrack2Label: 'Spanish', + // used by timeline-controller + captionsTextTrack2LanguageCode: 'es' // used by timeline-controller - if (this.useTextTrackPolling) { - this.subtitlePollingInterval = setInterval(function () { - _this2.trackChangeListener(); - }, 500); - } else { - this.media.textTracks.addEventListener('change', this.trackChangeListener); - } }; +} +// CONCATENATED MODULE: ./src/hls.ts +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "default", function() { return hls_Hls; }); +function hls_objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { hls_defineProperty(target, key, source[key]); }); } return target; } - _proto.onMediaDetaching = function onMediaDetaching() { - if (!this.media) { - return; - } - - if (this.useTextTrackPolling) { - clearInterval(this.subtitlePollingInterval); - } else { - this.media.textTracks.removeEventListener('change', this.trackChangeListener); - } +function hls_defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } - if (Object(number_isFinite["isFiniteNumber"])(this.subtitleTrack)) { - this.queuedDefaultTrack = this.subtitleTrack; - } +function hls_assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } - var textTracks = filterSubtitleTracks(this.media.textTracks); // Clear loaded cues on media detachment from tracks +function hls_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } - textTracks.forEach(function (track) { - clearCurrentCues(track); - }); // Disable all subtitle tracks before detachment so when reattached only tracks in that content are enabled. +function hls_createClass(Constructor, protoProps, staticProps) { if (protoProps) hls_defineProperties(Constructor.prototype, protoProps); if (staticProps) hls_defineProperties(Constructor, staticProps); return Constructor; } - this.subtitleTrack = -1; - this.media = null; - } // Fired whenever a new manifest is loaded. - ; +function hls_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } - _proto.onManifestLoaded = function onManifestLoaded(data) { - var _this3 = this; - var tracks = data.subtitles || []; - this.tracks = tracks; - this.hls.trigger(events["default"].SUBTITLE_TRACKS_UPDATED, { - subtitleTracks: tracks - }); // loop through available subtitle tracks and autoselect default if needed - // TODO: improve selection logic to handle forced, etc - tracks.forEach(function (track) { - if (track.default) { - // setting this.subtitleTrack will trigger internal logic - // if media has not been attached yet, it will fail - // we keep a reference to the default track id - // and we'll set subtitleTrack when onMediaAttached is triggered - if (_this3.media) { - _this3.subtitleTrack = track.id; - } else { - _this3.queuedDefaultTrack = track.id; - } - } - }); - }; - _proto.onSubtitleTrackLoaded = function onSubtitleTrackLoaded(data) { - var _this4 = this; - var id = data.id, - details = data.details; - var trackId = this.trackId, - tracks = this.tracks; - var currentTrack = tracks[trackId]; - if (id >= tracks.length || id !== trackId || !currentTrack || this.stopped) { - this._clearReloadTimer(); - return; - } - logger["logger"].log("subtitle track " + id + " loaded"); - if (details.live) { - var reloadInterval = computeReloadInterval(currentTrack.details, details, data.stats.trequest); - logger["logger"].log("Reloading live subtitle playlist in " + reloadInterval + "ms"); - this.timer = setTimeout(function () { - _this4._loadCurrentTrack(); - }, reloadInterval); - } else { - this._clearReloadTimer(); - } - }; - _proto.startLoad = function startLoad() { - this.stopped = false; - this._loadCurrentTrack(); - }; - _proto.stopLoad = function stopLoad() { - this.stopped = true; - this._clearReloadTimer(); - } - /** get alternate subtitle tracks list from playlist **/ - ; - _proto._clearReloadTimer = function _clearReloadTimer() { - if (this.timer) { - clearTimeout(this.timer); - this.timer = null; - } - }; - _proto._loadCurrentTrack = function _loadCurrentTrack() { - var trackId = this.trackId, - tracks = this.tracks, - hls = this.hls; - var currentTrack = tracks[trackId]; +/** + * @module Hls + * @class + * @constructor + */ - if (trackId < 0 || !currentTrack || currentTrack.details && !currentTrack.details.live) { - return; - } +var hls_Hls = +/*#__PURE__*/ +function (_Observer) { + hls_inheritsLoose(Hls, _Observer); - logger["logger"].log("Loading subtitle track " + trackId); - hls.trigger(events["default"].SUBTITLE_TRACK_LOADING, { - url: currentTrack.url, - id: trackId - }); + /** + * @type {boolean} + */ + Hls.isSupported = function isSupported() { + return is_supported_isSupported(); } /** - * Disables the old subtitleTrack and sets current mode on the next subtitleTrack. - * This operates on the DOM textTracks. - * A value of -1 will disable all subtitle tracks. - * @param newId - The id of the next track to enable - * @private + * @type {HlsEvents} */ ; - _proto._toggleTrackModes = function _toggleTrackModes(newId) { - var media = this.media, - subtitleDisplay = this.subtitleDisplay, - trackId = this.trackId; + hls_createClass(Hls, null, [{ + key: "version", - if (!media) { - return; + /** + * @type {string} + */ + get: function get() { + return undefined; } - - var textTracks = filterSubtitleTracks(media.textTracks); - - if (newId === -1) { - [].slice.call(textTracks).forEach(function (track) { - track.mode = 'disabled'; - }); - } else { - var oldTrack = textTracks[trackId]; - - if (oldTrack) { - oldTrack.mode = 'disabled'; - } + }, { + key: "Events", + get: function get() { + return events["default"]; } + /** + * @type {HlsErrorTypes} + */ - var nextTrack = textTracks[newId]; + }, { + key: "ErrorTypes", + get: function get() { + return errors["ErrorTypes"]; + } + /** + * @type {HlsErrorDetails} + */ - if (nextTrack) { - nextTrack.mode = subtitleDisplay ? 'showing' : 'hidden'; + }, { + key: "ErrorDetails", + get: function get() { + return errors["ErrorDetails"]; } - } - /** - * This method is responsible for validating the subtitle index and periodically reloading if live. - * Dispatches the SUBTITLE_TRACK_SWITCH event, which instructs the subtitle-stream-controller to load the selected track. - * @param newId - The id of the subtitle track to activate. + /** + * @type {HlsConfig} */ - ; - _proto._setSubtitleTrackInternal = function _setSubtitleTrackInternal(newId) { - var hls = this.hls, - tracks = this.tracks; + }, { + key: "DefaultConfig", + get: function get() { + if (!Hls.defaultConfig) { + return hlsDefaultConfig; + } - if (!Object(number_isFinite["isFiniteNumber"])(newId) || newId < -1 || newId >= tracks.length) { - return; + return Hls.defaultConfig; + } + /** + * @type {HlsConfig} + */ + , + set: function set(defaultConfig) { + Hls.defaultConfig = defaultConfig; } + /** + * Creates an instance of an HLS client that can attach to exactly one `HTMLMediaElement`. + * + * @constructs Hls + * @param {HlsConfig} config + */ - this.trackId = newId; - logger["logger"].log("Switching to subtitle track " + newId); - hls.trigger(events["default"].SUBTITLE_TRACK_SWITCH, { - id: newId - }); + }]); - this._loadCurrentTrack(); - }; + function Hls(userConfig) { + var _this; - _proto._onTextTracksChanged = function _onTextTracksChanged() { - // Media is undefined when switching streams via loadSource() - if (!this.media) { - return; + if (userConfig === void 0) { + userConfig = {}; } - var trackId = -1; - var tracks = filterSubtitleTracks(this.media.textTracks); + _this = _Observer.call(this) || this; + _this.config = void 0; + _this._autoLevelCapping = void 0; + _this.abrController = void 0; + _this.capLevelController = void 0; + _this.levelController = void 0; + _this.streamController = void 0; + _this.networkControllers = void 0; + _this.audioTrackController = void 0; + _this.subtitleTrackController = void 0; + _this.emeController = void 0; + _this.coreComponents = void 0; + _this.media = null; + _this.url = null; + var defaultConfig = Hls.DefaultConfig; - for (var id = 0; id < tracks.length; id++) { - if (tracks[id].mode === 'hidden') { - // Do not break in case there is a following track with showing. - trackId = id; - } else if (tracks[id].mode === 'showing') { - trackId = id; - break; - } - } // Setting current subtitleTrack will invoke code. + if ((userConfig.liveSyncDurationCount || userConfig.liveMaxLatencyDurationCount) && (userConfig.liveSyncDuration || userConfig.liveMaxLatencyDuration)) { + throw new Error('Illegal hls.js config: don\'t mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration'); + } // Shallow clone - this.subtitleTrack = trackId; - }; + _this.config = hls_objectSpread({}, defaultConfig, userConfig); - subtitle_track_controller_createClass(SubtitleTrackController, [{ - key: "subtitleTracks", - get: function get() { - return this.tracks; - } - /** get index of the selected subtitle track (index in subtitle track lists) **/ + var _assertThisInitialize = hls_assertThisInitialized(_this), + config = _assertThisInitialize.config; - }, { - key: "subtitleTrack", - get: function get() { - return this.trackId; + if (config.liveMaxLatencyDurationCount !== void 0 && config.liveMaxLatencyDurationCount <= config.liveSyncDurationCount) { + throw new Error('Illegal hls.js config: "liveMaxLatencyDurationCount" must be gt "liveSyncDurationCount"'); } - /** select a subtitle track, based on its index in subtitle track lists**/ - , - set: function set(subtitleTrackId) { - if (this.trackId !== subtitleTrackId) { - this._toggleTrackModes(subtitleTrackId); - this._setSubtitleTrackInternal(subtitleTrackId); - } + if (config.liveMaxLatencyDuration !== void 0 && (config.liveSyncDuration === void 0 || config.liveMaxLatencyDuration <= config.liveSyncDuration)) { + throw new Error('Illegal hls.js config: "liveMaxLatencyDuration" must be gt "liveSyncDuration"'); } - }]); - return SubtitleTrackController; -}(event_handler); - -function filterSubtitleTracks(textTrackList) { - var tracks = []; + Object(logger["enableLogs"])(config.debug); + _this._autoLevelCapping = -1; // core controllers and network loaders - for (var i = 0; i < textTrackList.length; i++) { - var track = textTrackList[i]; // Edge adds a track without a label; we don't want to use it + /** + * @member {AbrController} abrController + */ - if (track.kind === 'subtitles' && track.label) { - tracks.push(textTrackList[i]); - } - } + var abrController = _this.abrController = new config.abrController(hls_assertThisInitialized(_this)); // eslint-disable-line new-cap - return tracks; -} + var bufferController = new config.bufferController(hls_assertThisInitialized(_this)); // eslint-disable-line new-cap -/* harmony default export */ var subtitle_track_controller = (subtitle_track_controller_SubtitleTrackController); -// EXTERNAL MODULE: ./src/crypt/decrypter.js + 3 modules -var decrypter = __webpack_require__("./src/crypt/decrypter.js"); + var capLevelController = _this.capLevelController = new config.capLevelController(hls_assertThisInitialized(_this)); // eslint-disable-line new-cap -// CONCATENATED MODULE: ./src/controller/subtitle-stream-controller.js -function subtitle_stream_controller_assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } + var fpsController = new config.fpsController(hls_assertThisInitialized(_this)); // eslint-disable-line new-cap -function subtitle_stream_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } + var playListLoader = new playlist_loader(hls_assertThisInitialized(_this)); + var fragmentLoader = new fragment_loader(hls_assertThisInitialized(_this)); + var keyLoader = new key_loader(hls_assertThisInitialized(_this)); + var id3TrackController = new id3_track_controller(hls_assertThisInitialized(_this)); // network controllers -/** - * @class SubtitleStreamController - */ + /** + * @member {LevelController} levelController + */ + var levelController = _this.levelController = new level_controller_LevelController(hls_assertThisInitialized(_this)); // FIXME: FragmentTracker must be defined before StreamController because the order of event handling is important + var fragmentTracker = new fragment_tracker_FragmentTracker(hls_assertThisInitialized(_this)); + /** + * @member {StreamController} streamController + */ + var streamController = _this.streamController = new stream_controller(hls_assertThisInitialized(_this), fragmentTracker); + var networkControllers = [levelController, streamController]; // optional audio stream controller + /** + * @var {ICoreComponent | Controller} + */ + var Controller = config.audioStreamController; + if (Controller) { + networkControllers.push(new Controller(hls_assertThisInitialized(_this), fragmentTracker)); + } + /** + * @member {INetworkController[]} networkControllers + */ -var subtitle_stream_controller_window = window, - subtitle_stream_controller_performance = subtitle_stream_controller_window.performance; -var subtitle_stream_controller_TICK_INTERVAL = 500; // how often to tick in ms + _this.networkControllers = networkControllers; + /** + * @var {ICoreComponent[]} + */ -var subtitle_stream_controller_SubtitleStreamController = -/*#__PURE__*/ -function (_BaseStreamController) { - subtitle_stream_controller_inheritsLoose(SubtitleStreamController, _BaseStreamController); + var coreComponents = [playListLoader, fragmentLoader, keyLoader, abrController, bufferController, capLevelController, fpsController, id3TrackController, fragmentTracker]; // optional audio track and subtitle controller - function SubtitleStreamController(hls, fragmentTracker) { - var _this; + Controller = config.audioTrackController; - _this = _BaseStreamController.call(this, hls, events["default"].MEDIA_ATTACHED, events["default"].MEDIA_DETACHING, events["default"].ERROR, events["default"].KEY_LOADED, events["default"].FRAG_LOADED, events["default"].SUBTITLE_TRACKS_UPDATED, events["default"].SUBTITLE_TRACK_SWITCH, events["default"].SUBTITLE_TRACK_LOADED, events["default"].SUBTITLE_FRAG_PROCESSED, events["default"].LEVEL_UPDATED) || this; - _this.fragmentTracker = fragmentTracker; - _this.config = hls.config; - _this.state = State.STOPPED; - _this.tracks = []; - _this.tracksBuffered = []; - _this.currentTrackId = -1; - _this.decrypter = new decrypter["default"](hls, hls.config); // lastAVStart stores the time in seconds for the start time of a level load + if (Controller) { + var audioTrackController = new Controller(hls_assertThisInitialized(_this)); + /** + * @member {AudioTrackController} audioTrackController + */ - _this.lastAVStart = 0; - _this._onMediaSeeking = _this.onMediaSeeking.bind(subtitle_stream_controller_assertThisInitialized(_this)); - return _this; - } + _this.audioTrackController = audioTrackController; + coreComponents.push(audioTrackController); + } - var _proto = SubtitleStreamController.prototype; + Controller = config.subtitleTrackController; - _proto.onSubtitleFragProcessed = function onSubtitleFragProcessed(data) { - var frag = data.frag, - success = data.success; - this.fragPrevious = frag; - this.state = State.IDLE; + if (Controller) { + var subtitleTrackController = new Controller(hls_assertThisInitialized(_this)); + /** + * @member {SubtitleTrackController} subtitleTrackController + */ - if (!success) { - return; + _this.subtitleTrackController = subtitleTrackController; + networkControllers.push(subtitleTrackController); } - var buffered = this.tracksBuffered[this.currentTrackId]; + Controller = config.emeController; - if (!buffered) { - return; - } // Create/update a buffered array matching the interface used by BufferHelper.bufferedInfo - // so we can re-use the logic used to detect how much have been buffered + if (Controller) { + var emeController = new Controller(hls_assertThisInitialized(_this)); + /** + * @member {EMEController} emeController + */ + _this.emeController = emeController; + coreComponents.push(emeController); + } // optional subtitle controllers - var timeRange; - var fragStart = frag.start; - for (var i = 0; i < buffered.length; i++) { - if (fragStart >= buffered[i].start && fragStart <= buffered[i].end) { - timeRange = buffered[i]; - break; - } + Controller = config.subtitleStreamController; + + if (Controller) { + networkControllers.push(new Controller(hls_assertThisInitialized(_this), fragmentTracker)); } - var fragEnd = frag.start + frag.duration; + Controller = config.timelineController; - if (timeRange) { - timeRange.end = fragEnd; - } else { - timeRange = { - start: fragStart, - end: fragEnd - }; - buffered.push(timeRange); + if (Controller) { + coreComponents.push(new Controller(hls_assertThisInitialized(_this))); } - }; + /** + * @member {ICoreComponent[]} + */ - _proto.onMediaAttached = function onMediaAttached(_ref) { - var media = _ref.media; - this.media = media; - media.addEventListener('seeking', this._onMediaSeeking); - this.state = State.IDLE; - }; - _proto.onMediaDetaching = function onMediaDetaching() { - var _this2 = this; + _this.coreComponents = coreComponents; + return _this; + } + /** + * Dispose of the instance + */ - if (!this.media) { - return; - } - this.media.removeEventListener('seeking', this._onMediaSeeking); - this.fragmentTracker.removeAllFragments(); - this.currentTrackId = -1; - this.tracks.forEach(function (track) { - _this2.tracksBuffered[track.id] = []; + var _proto = Hls.prototype; + + _proto.destroy = function destroy() { + logger["logger"].log('destroy'); + this.trigger(events["default"].DESTROYING); + this.detachMedia(); + this.coreComponents.concat(this.networkControllers).forEach(function (component) { + component.destroy(); + }); + this.url = null; + this.removeAllListeners(); + this._autoLevelCapping = -1; + } + /** + * Attach a media element + * @param {HTMLMediaElement} media + */ + ; + + _proto.attachMedia = function attachMedia(media) { + logger["logger"].log('attachMedia'); + this.media = media; + this.trigger(events["default"].MEDIA_ATTACHING, { + media: media }); + } + /** + * Detach from the media + */ + ; + + _proto.detachMedia = function detachMedia() { + logger["logger"].log('detachMedia'); + this.trigger(events["default"].MEDIA_DETACHING); this.media = null; - this.state = State.STOPPED; - } // If something goes wrong, proceed to next frag, if we were processing one. + } + /** + * Set the source URL. Can be relative or absolute. + * @param {string} url + */ + ; + + _proto.loadSource = function loadSource(url) { + url = url_toolkit["buildAbsoluteURL"](window.location.href, url, { + alwaysNormalize: true + }); + logger["logger"].log("loadSource:" + url); + this.url = url; // when attaching to a source URL, trigger a playlist load + + this.trigger(events["default"].MANIFEST_LOADING, { + url: url + }); + } + /** + * Start loading data from the stream source. + * Depending on default config, client starts loading automatically when a source is set. + * + * @param {number} startPosition Set the start position to stream from + * @default -1 None (from earliest point) + */ ; - _proto.onError = function onError(data) { - //Commenting out this code since we need to reset the state for any error - // let frag = data.frag; - // // don't handle error not related to subtitle fragment - // if (!frag || frag.type !== 'subtitle') { - // return; - // } - this.state = State.IDLE; - } // Got all new subtitle tracks. - ; + _proto.startLoad = function startLoad(startPosition) { + if (startPosition === void 0) { + startPosition = -1; + } - _proto.onSubtitleTracksUpdated = function onSubtitleTracksUpdated(data) { - var _this3 = this; + logger["logger"].log("startLoad(" + startPosition + ")"); + this.networkControllers.forEach(function (controller) { + controller.startLoad(startPosition); + }); + } + /** + * Stop loading of any stream data. + */ + ; - logger["logger"].log('subtitle tracks updated'); - this.tracksBuffered = []; - this.tracks = data.subtitleTracks; - this.tracks.forEach(function (track) { - _this3.tracksBuffered[track.id] = []; + _proto.stopLoad = function stopLoad() { + logger["logger"].log('stopLoad'); + this.networkControllers.forEach(function (controller) { + controller.stopLoad(); }); - }; + } + /** + * Swap through possible audio codecs in the stream (for example to switch from stereo to 5.1) + */ + ; - _proto.onSubtitleTrackSwitch = function onSubtitleTrackSwitch(data) { - this.currentTrackId = data.id; + _proto.swapAudioCodec = function swapAudioCodec() { + logger["logger"].log('swapAudioCodec'); + this.streamController.swapAudioCodec(); + } + /** + * When the media-element fails, this allows to detach and then re-attach it + * as one call (convenience method). + * + * Automatic recovery of media-errors by this process is configurable. + */ + ; - if (!this.tracks || !this.tracks.length || this.currentTrackId === -1) { - this.clearInterval(); - return; - } // Check if track has the necessary details to load fragments + _proto.recoverMediaError = function recoverMediaError() { + logger["logger"].log('recoverMediaError'); + var media = this.media; + this.detachMedia(); + if (media) { + this.attachMedia(media); + } + } + /** + * @type {QualityLevel[]} + */ + // todo(typescript-levelController) + ; - var currentTrack = this.tracks[this.currentTrackId]; + hls_createClass(Hls, [{ + key: "levels", + get: function get() { + return this.levelController.levels; + } + /** + * Index of quality level currently played + * @type {number} + */ - if (currentTrack && currentTrack.details) { - this.setInterval(subtitle_stream_controller_TICK_INTERVAL); + }, { + key: "currentLevel", + get: function get() { + return this.streamController.currentLevel; } - } // Got a new set of subtitle fragments. - ; + /** + * Set quality level index immediately . + * This will flush the current buffer to replace the quality asap. + * That means playback will interrupt at least shortly to re-buffer and re-sync eventually. + * @type {number} -1 for automatic level selection + */ + , + set: function set(newLevel) { + logger["logger"].log("set currentLevel:" + newLevel); + this.loadLevel = newLevel; + this.streamController.immediateLevelSwitch(); + } + /** + * Index of next quality level loaded as scheduled by stream controller. + * @type {number} + */ - _proto.onSubtitleTrackLoaded = function onSubtitleTrackLoaded(data) { - var id = data.id, - details = data.details; - var currentTrackId = this.currentTrackId, - tracks = this.tracks; - var currentTrack = tracks[currentTrackId]; + }, { + key: "nextLevel", + get: function get() { + return this.streamController.nextLevel; + } + /** + * Set quality level index for next loaded data. + * This will switch the video quality asap, without interrupting playback. + * May abort current loading of data, and flush parts of buffer (outside currently played fragment region). + * @type {number} -1 for automatic level selection + */ + , + set: function set(newLevel) { + logger["logger"].log("set nextLevel:" + newLevel); + this.levelController.manualLevel = newLevel; + this.streamController.nextLevelSwitch(); + } + /** + * Return the quality level of the currently or last (of none is loaded currently) segment + * @type {number} + */ - if (id >= tracks.length || id !== currentTrackId || !currentTrack) { - return; + }, { + key: "loadLevel", + get: function get() { + return this.levelController.level; + } + /** + * Set quality level index for next loaded data in a conservative way. + * This will switch the quality without flushing, but interrupt current loading. + * Thus the moment when the quality switch will appear in effect will only be after the already existing buffer. + * @type {number} newLevel -1 for automatic level selection + */ + , + set: function set(newLevel) { + logger["logger"].log("set loadLevel:" + newLevel); + this.levelController.manualLevel = newLevel; } + /** + * get next quality level loaded + * @type {number} + */ - if (details.live) { - mergeSubtitlePlaylists(currentTrack.details, details, this.lastAVStart); + }, { + key: "nextLoadLevel", + get: function get() { + return this.levelController.nextLoadLevel; + } + /** + * Set quality level of next loaded segment in a fully "non-destructive" way. + * Same as `loadLevel` but will wait for next switch (until current loading is done). + * @type {number} level + */ + , + set: function set(level) { + this.levelController.nextLoadLevel = level; } + /** + * Return "first level": like a default level, if not set, + * falls back to index of first level referenced in manifest + * @type {number} + */ - currentTrack.details = details; - this.setInterval(subtitle_stream_controller_TICK_INTERVAL); - }; + }, { + key: "firstLevel", + get: function get() { + return Math.max(this.levelController.firstLevel, this.minAutoLevel); + } + /** + * Sets "first-level", see getter. + * @type {number} + */ + , + set: function set(newLevel) { + logger["logger"].log("set firstLevel:" + newLevel); + this.levelController.firstLevel = newLevel; + } + /** + * Return start level (level of first fragment that will be played back) + * if not overrided by user, first level appearing in manifest will be used as start level + * if -1 : automatic start level selection, playback will start from level matching download bandwidth + * (determined from download of first segment) + * @type {number} + */ - _proto.onKeyLoaded = function onKeyLoaded() { - if (this.state === State.KEY_LOADING) { - this.state = State.IDLE; + }, { + key: "startLevel", + get: function get() { + return this.levelController.startLevel; } - }; + /** + * set start level (level of first fragment that will be played back) + * if not overrided by user, first level appearing in manifest will be used as start level + * if -1 : automatic start level selection, playback will start from level matching download bandwidth + * (determined from download of first segment) + * @type {number} newLevel + */ + , + set: function set(newLevel) { + logger["logger"].log("set startLevel:" + newLevel); // if not in automatic start level detection, ensure startLevel is greater than minAutoLevel - _proto.onFragLoaded = function onFragLoaded(data) { - var fragCurrent = this.fragCurrent; - var decryptData = data.frag.decryptdata; - var fragLoaded = data.frag; - var hls = this.hls; + if (newLevel !== -1) { + newLevel = Math.max(newLevel, this.minAutoLevel); + } - if (this.state === State.FRAG_LOADING && fragCurrent && data.frag.type === 'subtitle' && fragCurrent.sn === data.frag.sn) { - // check to see if the payload needs to be decrypted - if (data.payload.byteLength > 0 && decryptData && decryptData.key && decryptData.method === 'AES-128') { - var startTime = subtitle_stream_controller_performance.now(); // decrypt the subtitles + this.levelController.startLevel = newLevel; + } + /** + * set dynamically set capLevelToPlayerSize against (`CapLevelController`) + * + * @type {boolean} + */ - this.decrypter.decrypt(data.payload, decryptData.key.buffer, decryptData.iv.buffer, function (decryptedData) { - var endTime = subtitle_stream_controller_performance.now(); - hls.trigger(events["default"].FRAG_DECRYPTED, { - frag: fragLoaded, - payload: decryptedData, - stats: { - tstart: startTime, - tdecrypt: endTime - } - }); - }); + }, { + key: "capLevelToPlayerSize", + set: function set(shouldStartCapping) { + var newCapLevelToPlayerSize = !!shouldStartCapping; + + if (newCapLevelToPlayerSize !== this.config.capLevelToPlayerSize) { + if (newCapLevelToPlayerSize) { + this.capLevelController.startCapping(); // If capping occurs, nextLevelSwitch will happen based on size. + } else { + this.capLevelController.stopCapping(); + this.autoLevelCapping = -1; + this.streamController.nextLevelSwitch(); // Now we're uncapped, get the next level asap. + } + + this.config.capLevelToPlayerSize = newCapLevelToPlayerSize; } } - }; - - _proto.onLevelUpdated = function onLevelUpdated(_ref2) { - var details = _ref2.details; - var frags = details.fragments; - this.lastAVStart = frags.length ? frags[0].start : 0; - }; + /** + * Capping/max level value that should be used by automatic level selection algorithm (`ABRController`) + * @type {number} + */ - _proto.doTick = function doTick() { - if (!this.media) { - this.state = State.IDLE; - return; + }, { + key: "autoLevelCapping", + get: function get() { + return this._autoLevelCapping; } + /** + * get bandwidth estimate + * @type {number} + */ + , - switch (this.state) { - case State.IDLE: - { - var config = this.config, - currentTrackId = this.currentTrackId, - fragmentTracker = this.fragmentTracker, - media = this.media, - tracks = this.tracks; - - if (!tracks || !tracks[currentTrackId] || !tracks[currentTrackId].details) { - break; - } - - var maxBufferHole = config.maxBufferHole, - maxFragLookUpTolerance = config.maxFragLookUpTolerance; - var maxConfigBuffer = Math.min(config.maxBufferLength, config.maxMaxBufferLength); - var bufferedInfo = BufferHelper.bufferedInfo(this._getBuffered(), media.currentTime, maxBufferHole); - var bufferEnd = bufferedInfo.end, - bufferLen = bufferedInfo.len; - var trackDetails = tracks[currentTrackId].details; - var fragments = trackDetails.fragments; - var fragLen = fragments.length; - var end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration; - - if (bufferLen > maxConfigBuffer) { - return; - } + /** + * Capping/max level value that should be used by automatic level selection algorithm (`ABRController`) + * @type {number} + */ + set: function set(newLevel) { + logger["logger"].log("set autoLevelCapping:" + newLevel); + this._autoLevelCapping = newLevel; + } + /** + * True when automatic level selection enabled + * @type {boolean} + */ - var foundFrag; - var fragPrevious = this.fragPrevious; + }, { + key: "bandwidthEstimate", + get: function get() { + var bwEstimator = this.abrController._bwEstimator; + return bwEstimator ? bwEstimator.getEstimate() : NaN; + } + }, { + key: "autoLevelEnabled", + get: function get() { + return this.levelController.manualLevel === -1; + } + /** + * Level set manually (if any) + * @type {number} + */ - if (bufferEnd < end) { - if (fragPrevious && trackDetails.hasProgramDateTime) { - foundFrag = findFragmentByPDT(fragments, fragPrevious.endProgramDateTime, maxFragLookUpTolerance); - } + }, { + key: "manualLevel", + get: function get() { + return this.levelController.manualLevel; + } + /** + * min level selectable in auto mode according to config.minAutoBitrate + * @type {number} + */ - if (!foundFrag) { - foundFrag = findFragmentByPTS(fragPrevious, fragments, bufferEnd, maxFragLookUpTolerance); - } + }, { + key: "minAutoLevel", + get: function get() { + var levels = this.levels, + minAutoBitrate = this.config.minAutoBitrate; + var len = levels ? levels.length : 0; - if (!foundFrag && trackDetails.live && fragPrevious && fragPrevious.start < fragments[0].start) { - /* - below is a real world example of what can happen in production. - - fragPrevious s:04:08:44.000Z, e:04:08:49.000Z -- was found by PDT - - # response on subtitle/en/playlist.m3u8 on Nth call - fragments[0]: s:04:08:24.000Z, e:04:08:29.000Z -- s:4532.900002, e:4537.900002 - fragments[1]: s:04:08:29.000Z, e:04:08:34.000Z -- s:4537.900002, e:4542.900002 - fragments[2]: s:04:08:34.000Z, e:04:08:39.000Z -- s:4542.900002, e:4547.900002 - fragments[3]: s:04:08:39.000Z, e:04:08:44.000Z -- s:4547.900002, e:4552.900002 - fragments[4]: s:04:08:44.000Z, e:04:08:49.000Z -- s:4552.900002, e:4557.900002 - # response on subtitle/en/playlist.m3u8 on (N+1)th call - fragments[0]: s:04:08:54.000Z, e:04:08:59.000Z -- s:4562.900002, e:4567.900002 - fragments[1]: s:04:08:59.000Z, e:04:09:04.000Z -- s:4567.900002, e:4572.900002 - fragments[2]: s:04:09:04.000Z, e:04:09:09.000Z -- s:4572.900002, e:4577.900002 - fragments[3]: s:04:09:09.000Z, e:04:09:14.000Z -- s:4577.900002, e:4582.900002 - fragments[4]: s:04:09:14.000Z, e:04:09:19.000Z -- s:4582.900002, e:4587.900002 - # notice the gap from e:04:08:49.000Z to s:04:08:54.000Z, code below is to fix this issue - */ - foundFrag = fragments[0]; - logger["logger"].warn("Gap detected in live subtitle playlist, using next available fragment {start: " + foundFrag.start + "}"); - } - } else { - foundFrag = fragments[fragLen - 1]; - } + for (var i = 0; i < len; i++) { + var levelNextBitrate = levels[i].realBitrate ? Math.max(levels[i].realBitrate, levels[i].bitrate) : levels[i].bitrate; - if (foundFrag && foundFrag.encrypted) { - logger["logger"].log("Loading key for " + foundFrag.sn); - this.state = State.KEY_LOADING; - this.hls.trigger(events["default"].KEY_LOADING, { - frag: foundFrag - }); - } else if (foundFrag && this.fragmentTracker.getState(foundFrag) === FragmentState.NOT_LOADED) { - // only load if fragment is not loaded - this.fragCurrent = foundFrag; - this.state = State.FRAG_LOADING; - this.hls.trigger(events["default"].FRAG_LOADING, { - frag: foundFrag - }); - } + if (levelNextBitrate > minAutoBitrate) { + return i; } + } + + return 0; } - }; + /** + * max level selectable in auto mode according to autoLevelCapping + * @type {number} + */ - _proto.stopLoad = function stopLoad() { - this.lastAVStart = 0; + }, { + key: "maxAutoLevel", + get: function get() { + var levels = this.levels, + autoLevelCapping = this.autoLevelCapping; + var maxAutoLevel; - _BaseStreamController.prototype.stopLoad.call(this); - }; + if (autoLevelCapping === -1 && levels && levels.length) { + maxAutoLevel = levels.length - 1; + } else { + maxAutoLevel = autoLevelCapping; + } - _proto._getBuffered = function _getBuffered() { - return this.tracksBuffered[this.currentTrackId] || []; - }; + return maxAutoLevel; + } + /** + * next automatically selected quality level + * @type {number} + */ - _proto.onMediaSeeking = function onMediaSeeking() { - this.fragPrevious = null; - }; + }, { + key: "nextAutoLevel", + get: function get() { + // ensure next auto level is between min and max auto level + return Math.min(Math.max(this.abrController.nextAutoLevel, this.minAutoLevel), this.maxAutoLevel); + } + /** + * this setter is used to force next auto level. + * this is useful to force a switch down in auto mode: + * in case of load error on level N, hls.js can set nextAutoLevel to N-1 for example) + * forced value is valid for one fragment. upon succesful frag loading at forced level, + * this value will be resetted to -1 by ABR controller. + * @type {number} + */ + , + set: function set(nextLevel) { + this.abrController.nextAutoLevel = Math.max(this.minAutoLevel, nextLevel); + } + /** + * @type {AudioTrack[]} + */ + // todo(typescript-audioTrackController) - return SubtitleStreamController; -}(base_stream_controller_BaseStreamController); -// CONCATENATED MODULE: ./src/utils/mediakeys-helper.ts -/** - * @see https://developer.mozilla.org/en-US/docs/Web/API/Navigator/requestMediaKeySystemAccess - */ -var KeySystems; + }, { + key: "audioTracks", + get: function get() { + var audioTrackController = this.audioTrackController; + return audioTrackController ? audioTrackController.audioTracks : []; + } + /** + * index of the selected audio track (index in audio track lists) + * @type {number} + */ -(function (KeySystems) { - KeySystems["WIDEVINE"] = "com.widevine.alpha"; - KeySystems["PLAYREADY"] = "com.microsoft.playready"; -})(KeySystems || (KeySystems = {})); + }, { + key: "audioTrack", + get: function get() { + var audioTrackController = this.audioTrackController; + return audioTrackController ? audioTrackController.audioTrack : -1; + } + /** + * selects an audio track, based on its index in audio track lists + * @type {number} + */ + , + set: function set(audioTrackId) { + var audioTrackController = this.audioTrackController; -var requestMediaKeySystemAccess = function () { - if (typeof window !== 'undefined' && window.navigator && window.navigator.requestMediaKeySystemAccess) { - return window.navigator.requestMediaKeySystemAccess.bind(window.navigator); - } else { - return null; - } -}(); + if (audioTrackController) { + audioTrackController.audioTrack = audioTrackId; + } + } + /** + * @type {Seconds} + */ + }, { + key: "liveSyncPosition", + get: function get() { + return this.streamController.liveSyncPosition; + } + /** + * get alternate subtitle tracks list from playlist + * @type {SubtitleTrack[]} + */ + // todo(typescript-subtitleTrackController) -// CONCATENATED MODULE: ./src/controller/eme-controller.ts -function eme_controller_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } + }, { + key: "subtitleTracks", + get: function get() { + var subtitleTrackController = this.subtitleTrackController; + return subtitleTrackController ? subtitleTrackController.subtitleTracks : []; + } + /** + * index of the selected subtitle track (index in subtitle track lists) + * @type {number} + */ -function eme_controller_createClass(Constructor, protoProps, staticProps) { if (protoProps) eme_controller_defineProperties(Constructor.prototype, protoProps); if (staticProps) eme_controller_defineProperties(Constructor, staticProps); return Constructor; } + }, { + key: "subtitleTrack", + get: function get() { + var subtitleTrackController = this.subtitleTrackController; + return subtitleTrackController ? subtitleTrackController.subtitleTrack : -1; + } + /** + * select an subtitle track, based on its index in subtitle track lists + * @type {number} + */ + , + set: function set(subtitleTrackId) { + var subtitleTrackController = this.subtitleTrackController; -function eme_controller_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } + if (subtitleTrackController) { + subtitleTrackController.subtitleTrack = subtitleTrackId; + } + } + /** + * @type {boolean} + */ -/** - * @author Stephan Hesse <disparat@gmail.com> | <tchakabam@gmail.com> - * - * DRM support for Hls.js - */ + }, { + key: "subtitleDisplay", + get: function get() { + var subtitleTrackController = this.subtitleTrackController; + return subtitleTrackController ? subtitleTrackController.subtitleDisplay : false; + } + /** + * Enable/disable subtitle display rendering + * @type {boolean} + */ + , + set: function set(value) { + var subtitleTrackController = this.subtitleTrackController; + if (subtitleTrackController) { + subtitleTrackController.subtitleDisplay = value; + } + } + }]); + return Hls; +}(Observer); +hls_Hls.defaultConfig = void 0; -var MAX_LICENSE_REQUEST_FAILURES = 3; -/** - * @see https://developer.mozilla.org/en-US/docs/Web/API/MediaKeySystemConfiguration - * @param {Array<string>} audioCodecs List of required audio codecs to support - * @param {Array<string>} videoCodecs List of required video codecs to support - * @param {object} drmSystemOptions Optional parameters/requirements for the key-system - * @returns {Array<MediaSystemConfiguration>} An array of supported configurations - */ +/***/ }), -var createWidevineMediaKeySystemConfigurations = function createWidevineMediaKeySystemConfigurations(audioCodecs, videoCodecs) { - /* jshint ignore:line */ - var baseConfig = { - // initDataTypes: ['keyids', 'mp4'], - // label: "", - // persistentState: "not-allowed", // or "required" ? - // distinctiveIdentifier: "not-allowed", // or "required" ? - // sessionTypes: ['temporary'], - videoCapabilities: [] // { contentType: 'video/mp4; codecs="avc1.42E01E"' } +/***/ "./src/polyfills/number-isFinite.js": +/*!******************************************!*\ + !*** ./src/polyfills/number-isFinite.js ***! + \******************************************/ +/*! exports provided: isFiniteNumber */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { - }; - videoCodecs.forEach(function (codec) { - baseConfig.videoCapabilities.push({ - contentType: "video/mp4; codecs=\"" + codec + "\"" - }); - }); - return [baseConfig]; +"use strict"; +__webpack_require__.r(__webpack_exports__); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isFiniteNumber", function() { return isFiniteNumber; }); +var isFiniteNumber = Number.isFinite || function (value) { + return typeof value === 'number' && isFinite(value); }; -/** - * The idea here is to handle key-system (and their respective platforms) specific configuration differences - * in order to work with the local requestMediaKeySystemAccess method. - * - * We can also rule-out platform-related key-system support at this point by throwing an error. - * - * @param {string} keySystem Identifier for the key-system, see `KeySystems` enum - * @param {Array<string>} audioCodecs List of required audio codecs to support - * @param {Array<string>} videoCodecs List of required video codecs to support - * @throws will throw an error if a unknown key system is passed - * @returns {Array<MediaSystemConfiguration>} A non-empty Array of MediaKeySystemConfiguration objects - */ +/***/ }), -var eme_controller_getSupportedMediaKeySystemConfigurations = function getSupportedMediaKeySystemConfigurations(keySystem, audioCodecs, videoCodecs) { - switch (keySystem) { - case KeySystems.WIDEVINE: - return createWidevineMediaKeySystemConfigurations(audioCodecs, videoCodecs); +/***/ "./src/remux/mp4-remuxer.js": +/*!**********************************************!*\ + !*** ./src/remux/mp4-remuxer.js + 2 modules ***! + \**********************************************/ +/*! exports provided: normalizePts, default */ +/*! ModuleConcatenation bailout: Cannot concat with ./src/errors.ts because of ./src/hls.ts */ +/*! ModuleConcatenation bailout: Cannot concat with ./src/events.js because of ./src/hls.ts */ +/*! ModuleConcatenation bailout: Cannot concat with ./src/utils/logger.js because of ./src/hls.ts */ +/*! ModuleConcatenation bailout: Cannot concat with ./src/utils/timescale-conversion.ts because of ./src/hls.ts */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { - default: - throw new Error("Unknown key-system: " + keySystem); - } -}; +"use strict"; +__webpack_require__.r(__webpack_exports__); +// CONCATENATED MODULE: ./src/remux/aac-helper.js /** - * Controller to deal with encrypted media extensions (EME) - * @see https://developer.mozilla.org/en-US/docs/Web/API/Encrypted_Media_Extensions_API - * - * @class - * @constructor + * AAC helper */ -var eme_controller_EMEController = +var AAC = /*#__PURE__*/ -function (_EventHandler) { - eme_controller_inheritsLoose(EMEController, _EventHandler); - - /** - * @constructs - * @param {Hls} hls Our Hls.js instance - */ - function EMEController(hls) { - var _this; - - _this = _EventHandler.call(this, hls, events["default"].MEDIA_ATTACHED, events["default"].MEDIA_DETACHED, events["default"].MANIFEST_PARSED) || this; - _this._widevineLicenseUrl = void 0; - _this._licenseXhrSetup = void 0; - _this._emeEnabled = void 0; - _this._requestMediaKeySystemAccess = void 0; - _this._config = void 0; - _this._mediaKeysList = []; - _this._media = null; - _this._hasSetMediaKeys = false; - _this._requestLicenseFailureCount = 0; - - _this._onMediaEncrypted = function (e) { - logger["logger"].log("Media is encrypted using \"" + e.initDataType + "\" init data type"); - - _this._attemptSetMediaKeys(); - - _this._generateRequestWithPreferredKeySession(e.initDataType, e.initData); - }; - - _this._config = hls.config; - _this._widevineLicenseUrl = _this._config.widevineLicenseUrl; - _this._licenseXhrSetup = _this._config.licenseXhrSetup; - _this._emeEnabled = _this._config.emeEnabled; - _this._requestMediaKeySystemAccess = _this._config.requestMediaKeySystemAccessFunc; - return _this; - } - /** - * @param {string} keySystem Identifier for the key-system, see `KeySystems` enum - * @returns {string} License server URL for key-system (if any configured, otherwise causes error) - * @throws if a unsupported keysystem is passed - */ - - - var _proto = EMEController.prototype; +function () { + function AAC() {} - _proto.getLicenseServerUrl = function getLicenseServerUrl(keySystem) { - switch (keySystem) { - case KeySystems.WIDEVINE: - if (!this._widevineLicenseUrl) { - break; + AAC.getSilentFrame = function getSilentFrame(codec, channelCount) { + switch (codec) { + case 'mp4a.40.2': + if (channelCount === 1) { + return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x23, 0x80]); + } else if (channelCount === 2) { + return new Uint8Array([0x21, 0x00, 0x49, 0x90, 0x02, 0x19, 0x00, 0x23, 0x80]); + } else if (channelCount === 3) { + return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x8e]); + } else if (channelCount === 4) { + return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x80, 0x2c, 0x80, 0x08, 0x02, 0x38]); + } else if (channelCount === 5) { + return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x38]); + } else if (channelCount === 6) { + return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x00, 0xb2, 0x00, 0x20, 0x08, 0xe0]); } - return this._widevineLicenseUrl; - } - - throw new Error("no license server URL configured for key-system \"" + keySystem + "\""); - } - /** - * Requests access object and adds it to our list upon success - * @private - * @param {string} keySystem System ID (see `KeySystems`) - * @param {Array<string>} audioCodecs List of required audio codecs to support - * @param {Array<string>} videoCodecs List of required video codecs to support - * @throws When a unsupported KeySystem is passed - */ - ; - - _proto._attemptKeySystemAccess = function _attemptKeySystemAccess(keySystem, audioCodecs, videoCodecs) { - var _this2 = this; - - // TODO: add other DRM "options" - // This can throw, but is caught in event handler callpath - var mediaKeySystemConfigs = eme_controller_getSupportedMediaKeySystemConfigurations(keySystem, audioCodecs, videoCodecs); - logger["logger"].log('Requesting encrypted media key-system access'); // expecting interface like window.navigator.requestMediaKeySystemAccess - - this.requestMediaKeySystemAccess(keySystem, mediaKeySystemConfigs).then(function (mediaKeySystemAccess) { - _this2._onMediaKeySystemAccessObtained(keySystem, mediaKeySystemAccess); - }).catch(function (err) { - logger["logger"].error("Failed to obtain key-system \"" + keySystem + "\" access:", err); - }); - }; + break; + // handle HE-AAC below (mp4a.40.5 / mp4a.40.29) - /** - * Handles obtaining access to a key-system - * @private - * @param {string} keySystem - * @param {MediaKeySystemAccess} mediaKeySystemAccess https://developer.mozilla.org/en-US/docs/Web/API/MediaKeySystemAccess - */ - _proto._onMediaKeySystemAccessObtained = function _onMediaKeySystemAccessObtained(keySystem, mediaKeySystemAccess) { - var _this3 = this; + default: + if (channelCount === 1) { + // ffmpeg -y -f lavfi -i "aevalsrc=0:d=0.05" -c:a libfdk_aac -profile:a aac_he -b:a 4k output.aac && hexdump -v -e '16/1 "0x%x," "\n"' -v output.aac + return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x4e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x1c, 0x6, 0xf1, 0xc1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]); + } else if (channelCount === 2) { + // ffmpeg -y -f lavfi -i "aevalsrc=0|0:d=0.05" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 "0x%x," "\n"' -v output.aac + return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]); + } else if (channelCount === 3) { + // ffmpeg -y -f lavfi -i "aevalsrc=0|0|0:d=0.05" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 "0x%x," "\n"' -v output.aac + return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]); + } - logger["logger"].log("Access for key-system \"" + keySystem + "\" obtained"); - var mediaKeysListItem = { - mediaKeysSessionInitialized: false, - mediaKeySystemAccess: mediaKeySystemAccess, - mediaKeySystemDomain: keySystem - }; + break; + } - this._mediaKeysList.push(mediaKeysListItem); + return null; + }; - mediaKeySystemAccess.createMediaKeys().then(function (mediaKeys) { - mediaKeysListItem.mediaKeys = mediaKeys; - logger["logger"].log("Media-keys created for key-system \"" + keySystem + "\""); + return AAC; +}(); - _this3._onMediaKeysCreated(); - }).catch(function (err) { - logger["logger"].error('Failed to create media-keys:', err); - }); - } - /** - * Handles key-creation (represents access to CDM). We are going to create key-sessions upon this - * for all existing keys where no session exists yet. - * - * @private - */ - ; +/* harmony default export */ var aac_helper = (AAC); +// CONCATENATED MODULE: ./src/remux/mp4-generator.js +/** + * Generate MP4 Box +*/ +var UINT32_MAX = Math.pow(2, 32) - 1; - _proto._onMediaKeysCreated = function _onMediaKeysCreated() { - var _this4 = this; +var MP4 = +/*#__PURE__*/ +function () { + function MP4() {} - // check for all key-list items if a session exists, otherwise, create one - this._mediaKeysList.forEach(function (mediaKeysListItem) { - if (!mediaKeysListItem.mediaKeysSession) { - // mediaKeys is definitely initialized here - mediaKeysListItem.mediaKeysSession = mediaKeysListItem.mediaKeys.createSession(); + MP4.init = function init() { + MP4.types = { + avc1: [], + // codingname + avcC: [], + btrt: [], + dinf: [], + dref: [], + esds: [], + ftyp: [], + hdlr: [], + mdat: [], + mdhd: [], + mdia: [], + mfhd: [], + minf: [], + moof: [], + moov: [], + mp4a: [], + '.mp3': [], + mvex: [], + mvhd: [], + pasp: [], + sdtp: [], + stbl: [], + stco: [], + stsc: [], + stsd: [], + stsz: [], + stts: [], + tfdt: [], + tfhd: [], + traf: [], + trak: [], + trun: [], + trex: [], + tkhd: [], + vmhd: [], + smhd: [] + }; + var i; - _this4._onNewMediaKeySession(mediaKeysListItem.mediaKeysSession); + for (i in MP4.types) { + if (MP4.types.hasOwnProperty(i)) { + MP4.types[i] = [i.charCodeAt(0), i.charCodeAt(1), i.charCodeAt(2), i.charCodeAt(3)]; } - }); - } - /** - * @private - * @param {*} keySession - */ - ; + } - _proto._onNewMediaKeySession = function _onNewMediaKeySession(keySession) { - var _this5 = this; + var videoHdlr = new Uint8Array([0x00, // version 0 + 0x00, 0x00, 0x00, // flags + 0x00, 0x00, 0x00, 0x00, // pre_defined + 0x76, 0x69, 0x64, 0x65, // handler_type: 'vide' + 0x00, 0x00, 0x00, 0x00, // reserved + 0x00, 0x00, 0x00, 0x00, // reserved + 0x00, 0x00, 0x00, 0x00, // reserved + 0x56, 0x69, 0x64, 0x65, 0x6f, 0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'VideoHandler' + ]); + var audioHdlr = new Uint8Array([0x00, // version 0 + 0x00, 0x00, 0x00, // flags + 0x00, 0x00, 0x00, 0x00, // pre_defined + 0x73, 0x6f, 0x75, 0x6e, // handler_type: 'soun' + 0x00, 0x00, 0x00, 0x00, // reserved + 0x00, 0x00, 0x00, 0x00, // reserved + 0x00, 0x00, 0x00, 0x00, // reserved + 0x53, 0x6f, 0x75, 0x6e, 0x64, 0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'SoundHandler' + ]); + MP4.HDLR_TYPES = { + 'video': videoHdlr, + 'audio': audioHdlr + }; + var dref = new Uint8Array([0x00, // version 0 + 0x00, 0x00, 0x00, // flags + 0x00, 0x00, 0x00, 0x01, // entry_count + 0x00, 0x00, 0x00, 0x0c, // entry_size + 0x75, 0x72, 0x6c, 0x20, // 'url' type + 0x00, // version 0 + 0x00, 0x00, 0x01 // entry_flags + ]); + var stco = new Uint8Array([0x00, // version + 0x00, 0x00, 0x00, // flags + 0x00, 0x00, 0x00, 0x00 // entry_count + ]); + MP4.STTS = MP4.STSC = MP4.STCO = stco; + MP4.STSZ = new Uint8Array([0x00, // version + 0x00, 0x00, 0x00, // flags + 0x00, 0x00, 0x00, 0x00, // sample_size + 0x00, 0x00, 0x00, 0x00 // sample_count + ]); + MP4.VMHD = new Uint8Array([0x00, // version + 0x00, 0x00, 0x01, // flags + 0x00, 0x00, // graphicsmode + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 // opcolor + ]); + MP4.SMHD = new Uint8Array([0x00, // version + 0x00, 0x00, 0x00, // flags + 0x00, 0x00, // balance + 0x00, 0x00 // reserved + ]); + MP4.STSD = new Uint8Array([0x00, // version 0 + 0x00, 0x00, 0x00, // flags + 0x00, 0x00, 0x00, 0x01]); // entry_count - logger["logger"].log("New key-system session " + keySession.sessionId); - keySession.addEventListener('message', function (event) { - _this5._onKeySessionMessage(keySession, event.message); - }, false); - } - /** - * @private - * @param {MediaKeySession} keySession - * @param {ArrayBuffer} message - */ - ; + var majorBrand = new Uint8Array([105, 115, 111, 109]); // isom - _proto._onKeySessionMessage = function _onKeySessionMessage(keySession, message) { - logger["logger"].log('Got EME message event, creating license request'); + var avc1Brand = new Uint8Array([97, 118, 99, 49]); // avc1 - this._requestLicense(message, function (data) { - logger["logger"].log("Received license data (length: " + (data ? data.byteLength : data) + "), updating key-session"); - keySession.update(data); - }); - } - /** - * @private - * @param {string} initDataType - * @param {ArrayBuffer|null} initData - */ - ; + var minorVersion = new Uint8Array([0, 0, 0, 1]); + MP4.FTYP = MP4.box(MP4.types.ftyp, majorBrand, minorVersion, majorBrand, avc1Brand); + MP4.DINF = MP4.box(MP4.types.dinf, MP4.box(MP4.types.dref, dref)); + }; - /** - * @private - */ - _proto._attemptSetMediaKeys = function _attemptSetMediaKeys() { - if (!this._media) { - throw new Error('Attempted to set mediaKeys without first attaching a media element'); + MP4.box = function box(type) { + var payload = Array.prototype.slice.call(arguments, 1), + size = 8, + i = payload.length, + len = i, + result; // calculate the total size we need to allocate + + while (i--) { + size += payload[i].byteLength; } - if (!this._hasSetMediaKeys) { - // FIXME: see if we can/want/need-to really to deal with several potential key-sessions? - var keysListItem = this._mediaKeysList[0]; + result = new Uint8Array(size); + result[0] = size >> 24 & 0xff; + result[1] = size >> 16 & 0xff; + result[2] = size >> 8 & 0xff; + result[3] = size & 0xff; + result.set(type, 4); // copy the payload into the result - if (!keysListItem || !keysListItem.mediaKeys) { - logger["logger"].error('Fatal: Media is encrypted but no CDM access or no keys have been obtained yet'); - this.hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].KEY_SYSTEM_ERROR, - details: errors["ErrorDetails"].KEY_SYSTEM_NO_KEYS, - fatal: true - }); - return; - } + for (i = 0, size = 8; i < len; i++) { + // copy payload[i] array @ offset size + result.set(payload[i], size); + size += payload[i].byteLength; + } - logger["logger"].log('Setting keys for encrypted media'); + return result; + }; - this._media.setMediaKeys(keysListItem.mediaKeys); + MP4.hdlr = function hdlr(type) { + return MP4.box(MP4.types.hdlr, MP4.HDLR_TYPES[type]); + }; + + MP4.mdat = function mdat(data) { + return MP4.box(MP4.types.mdat, data); + }; + + MP4.mdhd = function mdhd(timescale, duration) { + duration *= timescale; + var upperWordDuration = Math.floor(duration / (UINT32_MAX + 1)); + var lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1)); + return MP4.box(MP4.types.mdhd, new Uint8Array([0x01, // version 1 + 0x00, 0x00, 0x00, // flags + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time + timescale >> 24 & 0xFF, timescale >> 16 & 0xFF, timescale >> 8 & 0xFF, timescale & 0xFF, // timescale + upperWordDuration >> 24, upperWordDuration >> 16 & 0xFF, upperWordDuration >> 8 & 0xFF, upperWordDuration & 0xFF, lowerWordDuration >> 24, lowerWordDuration >> 16 & 0xFF, lowerWordDuration >> 8 & 0xFF, lowerWordDuration & 0xFF, 0x55, 0xc4, // 'und' language (undetermined) + 0x00, 0x00])); + }; + + MP4.mdia = function mdia(track) { + return MP4.box(MP4.types.mdia, MP4.mdhd(track.timescale, track.duration), MP4.hdlr(track.type), MP4.minf(track)); + }; + + MP4.mfhd = function mfhd(sequenceNumber) { + return MP4.box(MP4.types.mfhd, new Uint8Array([0x00, 0x00, 0x00, 0x00, // flags + sequenceNumber >> 24, sequenceNumber >> 16 & 0xFF, sequenceNumber >> 8 & 0xFF, sequenceNumber & 0xFF // sequence_number + ])); + }; - this._hasSetMediaKeys = true; + MP4.minf = function minf(track) { + if (track.type === 'audio') { + return MP4.box(MP4.types.minf, MP4.box(MP4.types.smhd, MP4.SMHD), MP4.DINF, MP4.stbl(track)); + } else { + return MP4.box(MP4.types.minf, MP4.box(MP4.types.vmhd, MP4.VMHD), MP4.DINF, MP4.stbl(track)); } + }; + + MP4.moof = function moof(sn, baseMediaDecodeTime, track) { + return MP4.box(MP4.types.moof, MP4.mfhd(sn), MP4.traf(track, baseMediaDecodeTime)); } /** - * @private - */ + * @param tracks... (optional) {array} the tracks associated with this movie + */ ; - _proto._generateRequestWithPreferredKeySession = function _generateRequestWithPreferredKeySession(initDataType, initData) { - var _this6 = this; - - // FIXME: see if we can/want/need-to really to deal with several potential key-sessions? - var keysListItem = this._mediaKeysList[0]; + MP4.moov = function moov(tracks) { + var i = tracks.length, + boxes = []; - if (!keysListItem) { - logger["logger"].error('Fatal: Media is encrypted but not any key-system access has been obtained yet'); - this.hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].KEY_SYSTEM_ERROR, - details: errors["ErrorDetails"].KEY_SYSTEM_NO_ACCESS, - fatal: true - }); - return; + while (i--) { + boxes[i] = MP4.trak(tracks[i]); } - if (keysListItem.mediaKeysSessionInitialized) { - logger["logger"].warn('Key-Session already initialized but requested again'); - return; + return MP4.box.apply(null, [MP4.types.moov, MP4.mvhd(tracks[0].timescale, tracks[0].duration)].concat(boxes).concat(MP4.mvex(tracks))); + }; + + MP4.mvex = function mvex(tracks) { + var i = tracks.length, + boxes = []; + + while (i--) { + boxes[i] = MP4.trex(tracks[i]); } - var keySession = keysListItem.mediaKeysSession; + return MP4.box.apply(null, [MP4.types.mvex].concat(boxes)); + }; - if (!keySession) { - logger["logger"].error('Fatal: Media is encrypted but no key-session existing'); - this.hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].KEY_SYSTEM_ERROR, - details: errors["ErrorDetails"].KEY_SYSTEM_NO_SESSION, - fatal: true - }); - return; - } // initData is null if the media is not CORS-same-origin + MP4.mvhd = function mvhd(timescale, duration) { + duration *= timescale; + var upperWordDuration = Math.floor(duration / (UINT32_MAX + 1)); + var lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1)); + var bytes = new Uint8Array([0x01, // version 1 + 0x00, 0x00, 0x00, // flags + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time + timescale >> 24 & 0xFF, timescale >> 16 & 0xFF, timescale >> 8 & 0xFF, timescale & 0xFF, // timescale + upperWordDuration >> 24, upperWordDuration >> 16 & 0xFF, upperWordDuration >> 8 & 0xFF, upperWordDuration & 0xFF, lowerWordDuration >> 24, lowerWordDuration >> 16 & 0xFF, lowerWordDuration >> 8 & 0xFF, lowerWordDuration & 0xFF, 0x00, 0x01, 0x00, 0x00, // 1.0 rate + 0x01, 0x00, // 1.0 volume + 0x00, 0x00, // reserved + 0x00, 0x00, 0x00, 0x00, // reserved + 0x00, 0x00, 0x00, 0x00, // reserved + 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // pre_defined + 0xff, 0xff, 0xff, 0xff // next_track_ID + ]); + return MP4.box(MP4.types.mvhd, bytes); + }; + MP4.sdtp = function sdtp(track) { + var samples = track.samples || [], + bytes = new Uint8Array(4 + samples.length), + flags, + i; // leave the full box header (4 bytes) all zero + // write the sample table - if (!initData) { - logger["logger"].warn('Fatal: initData required for generating a key session is null'); - this.hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].KEY_SYSTEM_ERROR, - details: errors["ErrorDetails"].KEY_SYSTEM_NO_INIT_DATA, - fatal: true - }); - return; + for (i = 0; i < samples.length; i++) { + flags = samples[i].flags; + bytes[i + 4] = flags.dependsOn << 4 | flags.isDependedOn << 2 | flags.hasRedundancy; } - logger["logger"].log("Generating key-session request for \"" + initDataType + "\" init data type"); - keysListItem.mediaKeysSessionInitialized = true; - keySession.generateRequest(initDataType, initData).then(function () { - logger["logger"].debug('Key-session generation succeeded'); - }).catch(function (err) { - logger["logger"].error('Error generating key-session request:', err); + return MP4.box(MP4.types.sdtp, bytes); + }; - _this6.hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].KEY_SYSTEM_ERROR, - details: errors["ErrorDetails"].KEY_SYSTEM_NO_SESSION, - fatal: false - }); - }); - } - /** - * @private - * @param {string} url License server URL - * @param {ArrayBuffer} keyMessage Message data issued by key-system - * @param {function} callback Called when XHR has succeeded - * @returns {XMLHttpRequest} Unsent (but opened state) XHR object - * @throws if XMLHttpRequest construction failed - */ - ; + MP4.stbl = function stbl(track) { + return MP4.box(MP4.types.stbl, MP4.stsd(track), MP4.box(MP4.types.stts, MP4.STTS), MP4.box(MP4.types.stsc, MP4.STSC), MP4.box(MP4.types.stsz, MP4.STSZ), MP4.box(MP4.types.stco, MP4.STCO)); + }; - _proto._createLicenseXhr = function _createLicenseXhr(url, keyMessage, callback) { - var xhr = new XMLHttpRequest(); - var licenseXhrSetup = this._licenseXhrSetup; + MP4.avc1 = function avc1(track) { + var sps = [], + pps = [], + i, + data, + len; // assemble the SPSs - try { - if (licenseXhrSetup) { - try { - licenseXhrSetup(xhr, url); - } catch (e) { - // let's try to open before running setup - xhr.open('POST', url, true); - licenseXhrSetup(xhr, url); - } - } // if licenseXhrSetup did not yet call open, let's do it now + for (i = 0; i < track.sps.length; i++) { + data = track.sps[i]; + len = data.byteLength; + sps.push(len >>> 8 & 0xFF); + sps.push(len & 0xFF); // SPS + sps = sps.concat(Array.prototype.slice.call(data)); + } // assemble the PPSs - if (!xhr.readyState) { - xhr.open('POST', url, true); + + for (i = 0; i < track.pps.length; i++) { + data = track.pps[i]; + len = data.byteLength; + pps.push(len >>> 8 & 0xFF); + pps.push(len & 0xFF); + pps = pps.concat(Array.prototype.slice.call(data)); + } + + var avcc = MP4.box(MP4.types.avcC, new Uint8Array([0x01, // version + sps[3], // profile + sps[4], // profile compat + sps[5], // level + 0xfc | 3, // lengthSizeMinusOne, hard-coded to 4 bytes + 0xE0 | track.sps.length // 3bit reserved (111) + numOfSequenceParameterSets + ].concat(sps).concat([track.pps.length // numOfPictureParameterSets + ]).concat(pps))), + // "PPS" + width = track.width, + height = track.height, + hSpacing = track.pixelRatio[0], + vSpacing = track.pixelRatio[1]; + return MP4.box(MP4.types.avc1, new Uint8Array([0x00, 0x00, 0x00, // reserved + 0x00, 0x00, 0x00, // reserved + 0x00, 0x01, // data_reference_index + 0x00, 0x00, // pre_defined + 0x00, 0x00, // reserved + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // pre_defined + width >> 8 & 0xFF, width & 0xff, // width + height >> 8 & 0xFF, height & 0xff, // height + 0x00, 0x48, 0x00, 0x00, // horizresolution + 0x00, 0x48, 0x00, 0x00, // vertresolution + 0x00, 0x00, 0x00, 0x00, // reserved + 0x00, 0x01, // frame_count + 0x12, 0x64, 0x61, 0x69, 0x6C, // dailymotion/hls.js + 0x79, 0x6D, 0x6F, 0x74, 0x69, 0x6F, 0x6E, 0x2F, 0x68, 0x6C, 0x73, 0x2E, 0x6A, 0x73, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // compressorname + 0x00, 0x18, // depth = 24 + 0x11, 0x11]), // pre_defined = -1 + avcc, MP4.box(MP4.types.btrt, new Uint8Array([0x00, 0x1c, 0x9c, 0x80, // bufferSizeDB + 0x00, 0x2d, 0xc6, 0xc0, // maxBitrate + 0x00, 0x2d, 0xc6, 0xc0])), // avgBitrate + MP4.box(MP4.types.pasp, new Uint8Array([hSpacing >> 24, // hSpacing + hSpacing >> 16 & 0xFF, hSpacing >> 8 & 0xFF, hSpacing & 0xFF, vSpacing >> 24, // vSpacing + vSpacing >> 16 & 0xFF, vSpacing >> 8 & 0xFF, vSpacing & 0xFF]))); + }; + + MP4.esds = function esds(track) { + var configlen = track.config.length; + return new Uint8Array([0x00, // version 0 + 0x00, 0x00, 0x00, // flags + 0x03, // descriptor_type + 0x17 + configlen, // length + 0x00, 0x01, // es_id + 0x00, // stream_priority + 0x04, // descriptor_type + 0x0f + configlen, // length + 0x40, // codec : mpeg4_audio + 0x15, // stream_type + 0x00, 0x00, 0x00, // buffer_size + 0x00, 0x00, 0x00, 0x00, // maxBitrate + 0x00, 0x00, 0x00, 0x00, // avgBitrate + 0x05 // descriptor_type + ].concat([configlen]).concat(track.config).concat([0x06, 0x01, 0x02])); // GASpecificConfig)); // length + audio config descriptor + }; + + MP4.mp4a = function mp4a(track) { + var samplerate = track.samplerate; + return MP4.box(MP4.types.mp4a, new Uint8Array([0x00, 0x00, 0x00, // reserved + 0x00, 0x00, 0x00, // reserved + 0x00, 0x01, // data_reference_index + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved + 0x00, track.channelCount, // channelcount + 0x00, 0x10, // sampleSize:16bits + 0x00, 0x00, 0x00, 0x00, // reserved2 + samplerate >> 8 & 0xFF, samplerate & 0xff, // + 0x00, 0x00]), MP4.box(MP4.types.esds, MP4.esds(track))); + }; + + MP4.mp3 = function mp3(track) { + var samplerate = track.samplerate; + return MP4.box(MP4.types['.mp3'], new Uint8Array([0x00, 0x00, 0x00, // reserved + 0x00, 0x00, 0x00, // reserved + 0x00, 0x01, // data_reference_index + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved + 0x00, track.channelCount, // channelcount + 0x00, 0x10, // sampleSize:16bits + 0x00, 0x00, 0x00, 0x00, // reserved2 + samplerate >> 8 & 0xFF, samplerate & 0xff, // + 0x00, 0x00])); + }; + + MP4.stsd = function stsd(track) { + if (track.type === 'audio') { + if (!track.isAAC && track.codec === 'mp3') { + return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp3(track)); } - } catch (e) { - // IE11 throws an exception on xhr.open if attempting to access an HTTP resource over HTTPS - throw new Error("issue setting up KeySystem license XHR " + e); - } // Because we set responseType to ArrayBuffer here, callback is typed as handling only array buffers + return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp4a(track)); + } else { + return MP4.box(MP4.types.stsd, MP4.STSD, MP4.avc1(track)); + } + }; + + MP4.tkhd = function tkhd(track) { + var id = track.id, + duration = track.duration * track.timescale, + width = track.width, + height = track.height, + upperWordDuration = Math.floor(duration / (UINT32_MAX + 1)), + lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1)); + return MP4.box(MP4.types.tkhd, new Uint8Array([0x01, // version 1 + 0x00, 0x00, 0x07, // flags + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time + id >> 24 & 0xFF, id >> 16 & 0xFF, id >> 8 & 0xFF, id & 0xFF, // track_ID + 0x00, 0x00, 0x00, 0x00, // reserved + upperWordDuration >> 24, upperWordDuration >> 16 & 0xFF, upperWordDuration >> 8 & 0xFF, upperWordDuration & 0xFF, lowerWordDuration >> 24, lowerWordDuration >> 16 & 0xFF, lowerWordDuration >> 8 & 0xFF, lowerWordDuration & 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved + 0x00, 0x00, // layer + 0x00, 0x00, // alternate_group + 0x00, 0x00, // non-audio track volume + 0x00, 0x00, // reserved + 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix + width >> 8 & 0xFF, width & 0xFF, 0x00, 0x00, // width + height >> 8 & 0xFF, height & 0xFF, 0x00, 0x00 // height + ])); + }; - xhr.responseType = 'arraybuffer'; - xhr.onreadystatechange = this._onLicenseRequestReadyStageChange.bind(this, xhr, url, keyMessage, callback); - return xhr; + MP4.traf = function traf(track, baseMediaDecodeTime) { + var sampleDependencyTable = MP4.sdtp(track), + id = track.id, + upperWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1)), + lowerWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1)); + return MP4.box(MP4.types.traf, MP4.box(MP4.types.tfhd, new Uint8Array([0x00, // version 0 + 0x00, 0x00, 0x00, // flags + id >> 24, id >> 16 & 0XFF, id >> 8 & 0XFF, id & 0xFF])), MP4.box(MP4.types.tfdt, new Uint8Array([0x01, // version 1 + 0x00, 0x00, 0x00, // flags + upperWordBaseMediaDecodeTime >> 24, upperWordBaseMediaDecodeTime >> 16 & 0XFF, upperWordBaseMediaDecodeTime >> 8 & 0XFF, upperWordBaseMediaDecodeTime & 0xFF, lowerWordBaseMediaDecodeTime >> 24, lowerWordBaseMediaDecodeTime >> 16 & 0XFF, lowerWordBaseMediaDecodeTime >> 8 & 0XFF, lowerWordBaseMediaDecodeTime & 0xFF])), MP4.trun(track, sampleDependencyTable.length + 16 + // tfhd + 20 + // tfdt + 8 + // traf header + 16 + // mfhd + 8 + // moof header + 8), // mdat header + sampleDependencyTable); } /** - * @private - * @param {XMLHttpRequest} xhr - * @param {string} url License server URL - * @param {ArrayBuffer} keyMessage Message data issued by key-system - * @param {function} callback Called when XHR has succeeded + * Generate a track box. + * @param track {object} a track definition + * @return {Uint8Array} the track box */ ; - _proto._onLicenseRequestReadyStageChange = function _onLicenseRequestReadyStageChange(xhr, url, keyMessage, callback) { - switch (xhr.readyState) { - case 4: - if (xhr.status === 200) { - this._requestLicenseFailureCount = 0; - logger["logger"].log('License request succeeded'); - - if (xhr.responseType !== 'arraybuffer') { - logger["logger"].warn('xhr response type was not set to the expected arraybuffer for license request'); - } - - callback(xhr.response); - } else { - logger["logger"].error("License Request XHR failed (" + url + "). Status: " + xhr.status + " (" + xhr.statusText + ")"); - this._requestLicenseFailureCount++; - - if (this._requestLicenseFailureCount > MAX_LICENSE_REQUEST_FAILURES) { - this.hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].KEY_SYSTEM_ERROR, - details: errors["ErrorDetails"].KEY_SYSTEM_LICENSE_REQUEST_FAILED, - fatal: true - }); - return; - } + MP4.trak = function trak(track) { + track.duration = track.duration || 0xffffffff; + return MP4.box(MP4.types.trak, MP4.tkhd(track), MP4.mdia(track)); + }; - var attemptsLeft = MAX_LICENSE_REQUEST_FAILURES - this._requestLicenseFailureCount + 1; - logger["logger"].warn("Retrying license request, " + attemptsLeft + " attempts left"); + MP4.trex = function trex(track) { + var id = track.id; + return MP4.box(MP4.types.trex, new Uint8Array([0x00, // version 0 + 0x00, 0x00, 0x00, // flags + id >> 24, id >> 16 & 0XFF, id >> 8 & 0XFF, id & 0xFF, // track_ID + 0x00, 0x00, 0x00, 0x01, // default_sample_description_index + 0x00, 0x00, 0x00, 0x00, // default_sample_duration + 0x00, 0x00, 0x00, 0x00, // default_sample_size + 0x00, 0x01, 0x00, 0x01 // default_sample_flags + ])); + }; - this._requestLicense(keyMessage, callback); - } + MP4.trun = function trun(track, offset) { + var samples = track.samples || [], + len = samples.length, + arraylen = 12 + 16 * len, + array = new Uint8Array(arraylen), + i, + sample, + duration, + size, + flags, + cts; + offset += 8 + arraylen; + array.set([0x00, // version 0 + 0x00, 0x0f, 0x01, // flags + len >>> 24 & 0xFF, len >>> 16 & 0xFF, len >>> 8 & 0xFF, len & 0xFF, // sample_count + offset >>> 24 & 0xFF, offset >>> 16 & 0xFF, offset >>> 8 & 0xFF, offset & 0xFF // data_offset + ], 0); - break; + for (i = 0; i < len; i++) { + sample = samples[i]; + duration = sample.duration; + size = sample.size; + flags = sample.flags; + cts = sample.cts; + array.set([duration >>> 24 & 0xFF, duration >>> 16 & 0xFF, duration >>> 8 & 0xFF, duration & 0xFF, // sample_duration + size >>> 24 & 0xFF, size >>> 16 & 0xFF, size >>> 8 & 0xFF, size & 0xFF, // sample_size + flags.isLeading << 2 | flags.dependsOn, flags.isDependedOn << 6 | flags.hasRedundancy << 4 | flags.paddingValue << 1 | flags.isNonSync, flags.degradPrio & 0xF0 << 8, flags.degradPrio & 0x0F, // sample_flags + cts >>> 24 & 0xFF, cts >>> 16 & 0xFF, cts >>> 8 & 0xFF, cts & 0xFF // sample_composition_time_offset + ], 12 + 16 * i); } - } - /** - * @private - * @param {MediaKeysListItem} keysListItem - * @param {ArrayBuffer} keyMessage - * @returns {ArrayBuffer} Challenge data posted to license server - * @throws if KeySystem is unsupported - */ - ; - _proto._generateLicenseRequestChallenge = function _generateLicenseRequestChallenge(keysListItem, keyMessage) { - switch (keysListItem.mediaKeySystemDomain) { - // case KeySystems.PLAYREADY: - // from https://github.com/MicrosoftEdge/Demos/blob/master/eme/scripts/demo.js + return MP4.box(MP4.types.trun, array); + }; - /* - if (this.licenseType !== this.LICENSE_TYPE_WIDEVINE) { - // For PlayReady CDMs, we need to dig the Challenge out of the XML. - var keyMessageXml = new DOMParser().parseFromString(String.fromCharCode.apply(null, new Uint16Array(keyMessage)), 'application/xml'); - if (keyMessageXml.getElementsByTagName('Challenge')[0]) { - challenge = atob(keyMessageXml.getElementsByTagName('Challenge')[0].childNodes[0].nodeValue); - } else { - throw 'Cannot find <Challenge> in key message'; - } - var headerNames = keyMessageXml.getElementsByTagName('name'); - var headerValues = keyMessageXml.getElementsByTagName('value'); - if (headerNames.length !== headerValues.length) { - throw 'Mismatched header <name>/<value> pair in key message'; - } - for (var i = 0; i < headerNames.length; i++) { - xhr.setRequestHeader(headerNames[i].childNodes[0].nodeValue, headerValues[i].childNodes[0].nodeValue); - } - } - break; - */ - case KeySystems.WIDEVINE: - // For Widevine CDMs, the challenge is the keyMessage. - return keyMessage; + MP4.initSegment = function initSegment(tracks) { + if (!MP4.types) { + MP4.init(); } - throw new Error("unsupported key-system: " + keysListItem.mediaKeySystemDomain); - } - /** - * @private - * @param keyMessage - * @param callback - */ - ; + var movie = MP4.moov(tracks), + result; + result = new Uint8Array(MP4.FTYP.byteLength + movie.byteLength); + result.set(MP4.FTYP); + result.set(movie, MP4.FTYP.byteLength); + return result; + }; - _proto._requestLicense = function _requestLicense(keyMessage, callback) { - logger["logger"].log('Requesting content license for key-system'); - var keysListItem = this._mediaKeysList[0]; + return MP4; +}(); - if (!keysListItem) { - logger["logger"].error('Fatal error: Media is encrypted but no key-system access has been obtained yet'); - this.hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].KEY_SYSTEM_ERROR, - details: errors["ErrorDetails"].KEY_SYSTEM_NO_ACCESS, - fatal: true - }); - return; - } +/* harmony default export */ var mp4_generator = (MP4); +// EXTERNAL MODULE: ./src/events.js +var events = __webpack_require__("./src/events.js"); - try { - var _url = this.getLicenseServerUrl(keysListItem.mediaKeySystemDomain); +// EXTERNAL MODULE: ./src/errors.ts +var errors = __webpack_require__("./src/errors.ts"); - var _xhr = this._createLicenseXhr(_url, keyMessage, callback); +// EXTERNAL MODULE: ./src/utils/timescale-conversion.ts +var timescale_conversion = __webpack_require__("./src/utils/timescale-conversion.ts"); - logger["logger"].log("Sending license request to URL: " + _url); +// EXTERNAL MODULE: ./src/utils/logger.js +var logger = __webpack_require__("./src/utils/logger.js"); - var challenge = this._generateLicenseRequestChallenge(keysListItem, keyMessage); +// CONCATENATED MODULE: ./src/remux/mp4-remuxer.js +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "normalizePts", function() { return normalizePts; }); +/** + * fMP4 remuxer +*/ - _xhr.send(challenge); - } catch (e) { - logger["logger"].error("Failure requesting DRM license: " + e); - this.hls.trigger(events["default"].ERROR, { - type: errors["ErrorTypes"].KEY_SYSTEM_ERROR, - details: errors["ErrorDetails"].KEY_SYSTEM_LICENSE_REQUEST_FAILED, - fatal: true - }); - } - }; - _proto.onMediaAttached = function onMediaAttached(data) { - if (!this._emeEnabled) { - return; - } - var media = data.media; // keep reference of media - this._media = media; - media.addEventListener('encrypted', this._onMediaEncrypted); - }; - _proto.onMediaDetached = function onMediaDetached() { - if (this._media) { - this._media.removeEventListener('encrypted', this._onMediaEncrypted); - this._media = null; // release reference - } - } // TODO: Use manifest types here when they are defined - ; +var MAX_SILENT_FRAME_DURATION_90KHZ = Object(timescale_conversion["toMpegTsClockFromTimescale"])(10); +var PTS_DTS_SHIFT_TOLERANCE_90KHZ = Object(timescale_conversion["toMpegTsClockFromTimescale"])(0.2); - _proto.onManifestParsed = function onManifestParsed(data) { - if (!this._emeEnabled) { - return; - } +var mp4_remuxer_MP4Remuxer = +/*#__PURE__*/ +function () { + function MP4Remuxer(observer, config, typeSupported, vendor) { + this.observer = observer; + this.config = config; + this.typeSupported = typeSupported; + var userAgent = navigator.userAgent; + this.isSafari = vendor && vendor.indexOf('Apple') > -1 && userAgent && !userAgent.match('CriOS'); + this.ISGenerated = false; + } - var audioCodecs = data.levels.map(function (level) { - return level.audioCodec; - }); - var videoCodecs = data.levels.map(function (level) { - return level.videoCodec; - }); + var _proto = MP4Remuxer.prototype; - this._attemptKeySystemAccess(KeySystems.WIDEVINE, audioCodecs, videoCodecs); + _proto.destroy = function destroy() {}; + + _proto.resetTimeStamp = function resetTimeStamp(defaultTimeStamp) { + this._initPTS = this._initDTS = defaultTimeStamp; }; - eme_controller_createClass(EMEController, [{ - key: "requestMediaKeySystemAccess", - get: function get() { - if (!this._requestMediaKeySystemAccess) { - throw new Error('No requestMediaKeySystemAccess function configured'); - } + _proto.resetInitSegment = function resetInitSegment() { + this.ISGenerated = false; + }; - return this._requestMediaKeySystemAccess; + _proto.remux = function remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) { + // generate Init Segment if needed + if (!this.ISGenerated) { + this.generateIS(audioTrack, videoTrack, timeOffset); } - }]); - return EMEController; -}(event_handler); + if (this.ISGenerated) { + var nbAudioSamples = audioTrack.samples.length; + var nbVideoSamples = videoTrack.samples.length; + var audioTimeOffset = timeOffset; + var videoTimeOffset = timeOffset; -/* harmony default export */ var eme_controller = (eme_controller_EMEController); -// CONCATENATED MODULE: ./src/config.ts -function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; } + if (nbAudioSamples && nbVideoSamples) { + // timeOffset is expected to be the offset of the first timestamp of this fragment (first DTS) + // if first audio DTS is not aligned with first video DTS then we need to take that into account + // when providing timeOffset to remuxAudio / remuxVideo. if we don't do that, there might be a permanent / small + // drift between audio and video streams + var audiovideoDeltaDts = (audioTrack.samples[0].pts - videoTrack.samples[0].pts) / videoTrack.inputTimeScale; + audioTimeOffset += Math.max(0, audiovideoDeltaDts); + videoTimeOffset += Math.max(0, -audiovideoDeltaDts); + } // Purposefully remuxing audio before video, so that remuxVideo can use nextAudioPts, which is + // calculated in remuxAudio. + // logger.log('nb AAC samples:' + audioTrack.samples.length); -function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } -/** - * HLS config - */ + if (nbAudioSamples) { + // if initSegment was generated without video samples, regenerate it again + if (!audioTrack.timescale) { + logger["logger"].warn('regenerate InitSegment as audio detected'); + this.generateIS(audioTrack, videoTrack, timeOffset); + } + var audioData = this.remuxAudio(audioTrack, audioTimeOffset, contiguous, accurateTimeOffset); // logger.log('nb AVC samples:' + videoTrack.samples.length); + if (nbVideoSamples) { + var audioTrackLength; + if (audioData) { + audioTrackLength = audioData.endPTS - audioData.startPTS; + } // if initSegment was generated without video samples, regenerate it again - // import FetchLoader from './utils/fetch-loader'; + if (!videoTrack.timescale) { + logger["logger"].warn('regenerate InitSegment as video detected'); + this.generateIS(audioTrack, videoTrack, timeOffset); + } + this.remuxVideo(videoTrack, videoTimeOffset, contiguous, audioTrackLength, accurateTimeOffset); + } + } else { + // logger.log('nb AVC samples:' + videoTrack.samples.length); + if (nbVideoSamples) { + var videoData = this.remuxVideo(videoTrack, videoTimeOffset, contiguous, 0, accurateTimeOffset); + if (videoData && audioTrack.codec) { + this.remuxEmptyAudio(audioTrack, audioTimeOffset, contiguous, videoData); + } + } + } + } // logger.log('nb ID3 samples:' + audioTrack.samples.length); + if (id3Track.samples.length) { + this.remuxID3(id3Track, timeOffset); + } // logger.log('nb ID3 samples:' + audioTrack.samples.length); + if (textTrack.samples.length) { + this.remuxText(textTrack, timeOffset); + } // notify end of parsing -// If possible, keep hlsDefaultConfig shallow -// It is cloned whenever a new Hls instance is created, by keeping the config -var hlsDefaultConfig = _objectSpread({ - autoStartLoad: true, - // used by stream-controller - startPosition: -1, - // used by stream-controller - defaultAudioCodec: void 0, - // used by stream-controller - debug: false, - // used by logger - capLevelOnFPSDrop: false, - // used by fps-controller - capLevelToPlayerSize: false, - // used by cap-level-controller - initialLiveManifestSize: 1, - // used by stream-controller - maxBufferLength: 30, - // used by stream-controller - maxBufferSize: 60 * 1000 * 1000, - // used by stream-controller - maxBufferHole: 0.5, - // used by stream-controller - lowBufferWatchdogPeriod: 0.5, - // used by stream-controller - highBufferWatchdogPeriod: 3, - // used by stream-controller - nudgeOffset: 0.1, - // used by stream-controller - nudgeMaxRetry: 3, - // used by stream-controller - maxFragLookUpTolerance: 0.25, - // used by stream-controller - liveSyncDurationCount: 3, - // used by stream-controller - liveMaxLatencyDurationCount: Infinity, - // used by stream-controller - liveSyncDuration: void 0, - // used by stream-controller - liveMaxLatencyDuration: void 0, - // used by stream-controller - liveDurationInfinity: false, - // used by buffer-controller - liveBackBufferLength: Infinity, - // used by buffer-controller - maxMaxBufferLength: 600, - // used by stream-controller - enableWorker: true, - // used by demuxer - enableSoftwareAES: true, - // used by decrypter - manifestLoadingTimeOut: 10000, - // used by playlist-loader - manifestLoadingMaxRetry: 1, - // used by playlist-loader - manifestLoadingRetryDelay: 1000, - // used by playlist-loader - manifestLoadingMaxRetryTimeout: 64000, - // used by playlist-loader - startLevel: void 0, - // used by level-controller - levelLoadingTimeOut: 10000, - // used by playlist-loader - levelLoadingMaxRetry: 4, - // used by playlist-loader - levelLoadingRetryDelay: 1000, - // used by playlist-loader - levelLoadingMaxRetryTimeout: 64000, - // used by playlist-loader - fragLoadingTimeOut: 20000, - // used by fragment-loader - fragLoadingMaxRetry: 6, - // used by fragment-loader - fragLoadingRetryDelay: 1000, - // used by fragment-loader - fragLoadingMaxRetryTimeout: 64000, - // used by fragment-loader - startFragPrefetch: false, - // used by stream-controller - fpsDroppedMonitoringPeriod: 5000, - // used by fps-controller - fpsDroppedMonitoringThreshold: 0.2, - // used by fps-controller - appendErrorMaxRetry: 3, - // used by buffer-controller - loader: xhr_loader, - // loader: FetchLoader, - fLoader: void 0, - // used by fragment-loader - pLoader: void 0, - // used by playlist-loader - xhrSetup: void 0, - // used by xhr-loader - licenseXhrSetup: void 0, - // used by eme-controller - // fetchSetup: void 0, - abrController: abr_controller, - bufferController: buffer_controller, - capLevelController: cap_level_controller, - fpsController: fps_controller, - stretchShortVideoTrack: false, - // used by mp4-remuxer - maxAudioFramesDrift: 1, - // used by mp4-remuxer - forceKeyFrameOnDiscontinuity: true, - // used by ts-demuxer - abrEwmaFastLive: 3, - // used by abr-controller - abrEwmaSlowLive: 9, - // used by abr-controller - abrEwmaFastVoD: 3, - // used by abr-controller - abrEwmaSlowVoD: 9, - // used by abr-controller - abrEwmaDefaultEstimate: 5e5, - // 500 kbps // used by abr-controller - abrBandWidthFactor: 0.95, - // used by abr-controller - abrBandWidthUpFactor: 0.7, - // used by abr-controller - abrMaxWithRealBitrate: false, - // used by abr-controller - maxStarvationDelay: 4, - // used by abr-controller - maxLoadingDelay: 4, - // used by abr-controller - minAutoBitrate: 0, - // used by hls - emeEnabled: false, - // used by eme-controller - widevineLicenseUrl: void 0, - // used by eme-controller - requestMediaKeySystemAccessFunc: requestMediaKeySystemAccess -}, timelineConfig(), { - subtitleStreamController: true ? subtitle_stream_controller_SubtitleStreamController : undefined, - subtitleTrackController: true ? subtitle_track_controller : undefined, - timelineController: true ? timeline_controller : undefined, - audioStreamController: true ? audio_stream_controller : undefined, - audioTrackController: true ? audio_track_controller : undefined, - emeController: true ? eme_controller : undefined -}); + this.observer.trigger(events["default"].FRAG_PARSED); + }; -function timelineConfig() { - if (false) {} + _proto.generateIS = function generateIS(audioTrack, videoTrack, timeOffset) { + var observer = this.observer, + audioSamples = audioTrack.samples, + videoSamples = videoTrack.samples, + typeSupported = this.typeSupported, + container = 'audio/mp4', + tracks = {}, + data = { + tracks: tracks + }, + computePTSDTS = this._initPTS === undefined, + initPTS, + initDTS, + timescale; - return { - cueHandler: cues_namespaceObject, - // used by timeline-controller - enableCEA708Captions: true, - // used by timeline-controller - enableWebVTT: true, - // used by timeline-controller - captionsTextTrack1Label: 'English', - // used by timeline-controller - captionsTextTrack1LanguageCode: 'en', - // used by timeline-controller - captionsTextTrack2Label: 'Spanish', - // used by timeline-controller - captionsTextTrack2LanguageCode: 'es' // used by timeline-controller + if (computePTSDTS) { + initPTS = initDTS = Infinity; + } - }; -} -// CONCATENATED MODULE: ./src/hls.ts -/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "default", function() { return hls_Hls; }); -function hls_objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { hls_defineProperty(target, key, source[key]); }); } return target; } + if (audioTrack.config && audioSamples.length) { + // let's use audio sampling rate as MP4 time scale. + // rationale is that there is a integer nb of audio frames per audio sample (1024 for AAC) + // using audio sampling rate here helps having an integer MP4 frame duration + // this avoids potential rounding issue and AV sync issue + audioTrack.timescale = audioTrack.samplerate; + logger["logger"].log("audio sampling rate : " + audioTrack.samplerate); -function hls_defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } + if (!audioTrack.isAAC) { + if (typeSupported.mpeg) { + // Chrome and Safari + container = 'audio/mpeg'; + audioTrack.codec = ''; + } else if (typeSupported.mp3) { + // Firefox + audioTrack.codec = 'mp3'; + } + } -function hls_assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } + tracks.audio = { + container: container, + codec: audioTrack.codec, + initSegment: !audioTrack.isAAC && typeSupported.mpeg ? new Uint8Array() : mp4_generator.initSegment([audioTrack]), + metadata: { + channelCount: audioTrack.channelCount + } + }; -function hls_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } + if (computePTSDTS) { + timescale = audioTrack.inputTimeScale; // remember first PTS of this demuxing context. for audio, PTS = DTS -function hls_createClass(Constructor, protoProps, staticProps) { if (protoProps) hls_defineProperties(Constructor.prototype, protoProps); if (staticProps) hls_defineProperties(Constructor, staticProps); return Constructor; } + initPTS = initDTS = audioSamples[0].pts - Math.round(timescale * timeOffset); + } + } -function hls_inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } + if (videoTrack.sps && videoTrack.pps && videoSamples.length) { + // let's use input time scale as MP4 video timescale + // we use input time scale straight away to avoid rounding issues on frame duration / cts computation + var inputTimeScale = videoTrack.inputTimeScale; + videoTrack.timescale = inputTimeScale; + tracks.video = { + container: 'video/mp4', + codec: videoTrack.codec, + initSegment: mp4_generator.initSegment([videoTrack]), + metadata: { + width: videoTrack.width, + height: videoTrack.height + } + }; + if (computePTSDTS) { + timescale = videoTrack.inputTimeScale; + initPTS = Math.min(initPTS, videoSamples[0].pts - inputTimeScale * timeOffset); + initDTS = Math.min(initDTS, videoSamples[0].dts - inputTimeScale * timeOffset); + this.observer.trigger(events["default"].INIT_PTS_FOUND, { + initPTS: initPTS, + timescale: timescale + }); + } + } + if (Object.keys(tracks).length) { + observer.trigger(events["default"].FRAG_PARSING_INIT_SEGMENT, data); + this.ISGenerated = true; + if (computePTSDTS) { + this._initPTS = initPTS; + this._initDTS = initDTS; + } + } else { + observer.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].MEDIA_ERROR, + details: errors["ErrorDetails"].FRAG_PARSING_ERROR, + fatal: false, + reason: 'no audio/video samples found' + }); + } + }; + _proto.remuxVideo = function remuxVideo(track, timeOffset, contiguous, audioTrackLength, accurateTimeOffset) { + var offset = 8; + var mp4SampleDuration; + var mdat; + var moof; + var firstPTS; + var firstDTS; + var lastPTS; + var lastDTS; + var timeScale = track.timescale; + var inputSamples = track.samples; + var outputSamples = []; + var nbSamples = inputSamples.length; + var ptsNormalize = this._PTSNormalize; + var initPTS = this._initPTS; // if parsed fragment is contiguous with last one, let's use last DTS value as reference + var nextAvcDts = this.nextAvcDts; + var isSafari = this.isSafari; + if (nbSamples === 0) { + return; + } // Safari does not like overlapping DTS on consecutive fragments. let's use nextAvcDts to overcome this if fragments are consecutive + if (isSafari) { + // also consider consecutive fragments as being contiguous (even if a level switch occurs), + // for sake of clarity: + // consecutive fragments are frags with + // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR + // - less than 200 ms PTS gaps (timeScale/5) + contiguous |= inputSamples.length && nextAvcDts && (accurateTimeOffset && Math.abs(timeOffset - nextAvcDts / timeScale) < 0.1 || Math.abs(inputSamples[0].pts - nextAvcDts - initPTS) < timeScale / 5); + } + if (!contiguous) { + // if not contiguous, let's use target timeOffset + nextAvcDts = timeOffset * timeScale; + } // PTS is coded on 33bits, and can loop from -2^32 to 2^32 + // ptsNormalize will make PTS/DTS value monotonic, we use last known DTS value as reference value + inputSamples.forEach(function (sample) { + sample.pts = ptsNormalize(sample.pts - initPTS, nextAvcDts); + sample.dts = ptsNormalize(sample.dts - initPTS, nextAvcDts); + }); // sort video samples by DTS then PTS then demux id order + inputSamples.sort(function (a, b) { + var deltadts = a.dts - b.dts; + var deltapts = a.pts - b.pts; + return deltadts || deltapts || a.id - b.id; + }); // handle broken streams with PTS < DTS, tolerance up 0.2 seconds + var PTSDTSshift = inputSamples.reduce(function (prev, curr) { + return Math.max(Math.min(prev, curr.pts - curr.dts), -1 * PTS_DTS_SHIFT_TOLERANCE_90KHZ); + }, 0); + if (PTSDTSshift < 0) { + logger["logger"].warn("PTS < DTS detected in video samples, shifting DTS by " + Object(timescale_conversion["toMsFromMpegTsClock"])(PTSDTSshift, true) + " ms to overcome this issue"); -/** - * @module Hls - * @class - * @constructor - */ + for (var i = 0; i < inputSamples.length; i++) { + inputSamples[i].dts += PTSDTSshift; + } + } // compute first DTS and last DTS, normalize them against reference value -var hls_Hls = -/*#__PURE__*/ -function (_Observer) { - hls_inheritsLoose(Hls, _Observer); - /** - * @type {boolean} - */ - Hls.isSupported = function isSupported() { - return is_supported_isSupported(); - } - /** - * @type {HlsEvents} - */ - ; + var sample = inputSamples[0]; + firstDTS = Math.max(sample.dts, 0); + firstPTS = Math.max(sample.pts, 0); // check timestamp continuity accross consecutive fragments (this is to remove inter-fragment gap/hole) - hls_createClass(Hls, null, [{ - key: "version", + var delta = firstDTS - nextAvcDts; // if fragment are contiguous, detect hole/overlapping between fragments - /** - * @type {string} - */ - get: function get() { - return undefined; - } - }, { - key: "Events", - get: function get() { - return events["default"]; - } - /** - * @type {HlsErrorTypes} - */ + if (contiguous) { + if (delta) { + if (delta > 1) { + logger["logger"].log("AVC: " + Object(timescale_conversion["toMsFromMpegTsClock"])(delta, true) + " ms hole between fragments detected,filling it"); + } else if (delta < -1) { + logger["logger"].log("AVC: " + Object(timescale_conversion["toMsFromMpegTsClock"])(-delta, true) + " ms overlapping between fragments detected"); + } // remove hole/gap : set DTS to next expected DTS - }, { - key: "ErrorTypes", - get: function get() { - return errors["ErrorTypes"]; - } - /** - * @type {HlsErrorDetails} - */ - }, { - key: "ErrorDetails", - get: function get() { - return errors["ErrorDetails"]; - } - /** - * @type {HlsConfig} - */ + firstDTS = nextAvcDts; + inputSamples[0].dts = firstDTS; // offset PTS as well, ensure that PTS is smaller or equal than new DTS - }, { - key: "DefaultConfig", - get: function get() { - if (!Hls.defaultConfig) { - return hlsDefaultConfig; + firstPTS = Math.max(firstPTS - delta, nextAvcDts); + inputSamples[0].pts = firstPTS; + logger["logger"].log("Video: PTS/DTS adjusted: " + Object(timescale_conversion["toMsFromMpegTsClock"])(firstPTS, true) + "/" + Object(timescale_conversion["toMsFromMpegTsClock"])(firstDTS, true) + ", delta: " + Object(timescale_conversion["toMsFromMpegTsClock"])(delta, true) + " ms"); } + } // compute lastPTS/lastDTS - return Hls.defaultConfig; - } - /** - * @type {HlsConfig} - */ - , - set: function set(defaultConfig) { - Hls.defaultConfig = defaultConfig; + + sample = inputSamples[inputSamples.length - 1]; + lastDTS = Math.max(sample.dts, 0); + lastPTS = Math.max(sample.pts, 0, lastDTS); // on Safari let's signal the same sample duration for all samples + // sample duration (as expected by trun MP4 boxes), should be the delta between sample DTS + // set this constant duration as being the avg delta between consecutive DTS. + + if (isSafari) { + mp4SampleDuration = Math.round((lastDTS - firstDTS) / (inputSamples.length - 1)); } - /** - * Creates an instance of an HLS client that can attach to exactly one `HTMLMediaElement`. - * - * @constructs Hls - * @param {HlsConfig} config - */ - }]); + var nbNalu = 0, + naluLen = 0; - function Hls(userConfig) { - var _this; + for (var _i = 0; _i < nbSamples; _i++) { + // compute total/avc sample length and nb of NAL units + var _sample = inputSamples[_i], + units = _sample.units, + nbUnits = units.length, + sampleLen = 0; - if (userConfig === void 0) { - userConfig = {}; - } + for (var j = 0; j < nbUnits; j++) { + sampleLen += units[j].data.length; + } - _this = _Observer.call(this) || this; - _this.config = void 0; - _this._autoLevelCapping = void 0; - _this.abrController = void 0; - _this.capLevelController = void 0; - _this.levelController = void 0; - _this.streamController = void 0; - _this.networkControllers = void 0; - _this.audioTrackController = void 0; - _this.subtitleTrackController = void 0; - _this.emeController = void 0; - _this.coreComponents = void 0; - _this.media = null; - _this.url = null; - var defaultConfig = Hls.DefaultConfig; + naluLen += sampleLen; + nbNalu += nbUnits; + _sample.length = sampleLen; // normalize PTS/DTS - if ((userConfig.liveSyncDurationCount || userConfig.liveMaxLatencyDurationCount) && (userConfig.liveSyncDuration || userConfig.liveMaxLatencyDuration)) { - throw new Error('Illegal hls.js config: don\'t mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration'); - } // Shallow clone + if (isSafari) { + // sample DTS is computed using a constant decoding offset (mp4SampleDuration) between samples + _sample.dts = firstDTS + _i * mp4SampleDuration; + } else { + // ensure sample monotonic DTS + _sample.dts = Math.max(_sample.dts, firstDTS); + } // ensure that computed value is greater or equal than sample DTS - _this.config = hls_objectSpread({}, defaultConfig, userConfig); + _sample.pts = Math.max(_sample.pts, _sample.dts); + } + /* concatenate the video data and construct the mdat in place + (need 8 more bytes to fill length and mpdat type) */ - var _assertThisInitialize = hls_assertThisInitialized(_this), - config = _assertThisInitialize.config; - if (config.liveMaxLatencyDurationCount !== void 0 && config.liveMaxLatencyDurationCount <= config.liveSyncDurationCount) { - throw new Error('Illegal hls.js config: "liveMaxLatencyDurationCount" must be gt "liveSyncDurationCount"'); - } + var mdatSize = naluLen + 4 * nbNalu + 8; - if (config.liveMaxLatencyDuration !== void 0 && (config.liveSyncDuration === void 0 || config.liveMaxLatencyDuration <= config.liveSyncDuration)) { - throw new Error('Illegal hls.js config: "liveMaxLatencyDuration" must be gt "liveSyncDuration"'); + try { + mdat = new Uint8Array(mdatSize); + } catch (err) { + this.observer.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].MUX_ERROR, + details: errors["ErrorDetails"].REMUX_ALLOC_ERROR, + fatal: false, + bytes: mdatSize, + reason: "fail allocating video mdat " + mdatSize + }); + return; } - Object(logger["enableLogs"])(config.debug); - _this._autoLevelCapping = -1; // core controllers and network loaders + var view = new DataView(mdat.buffer); + view.setUint32(0, mdatSize); + mdat.set(mp4_generator.types.mdat, 4); - /** - * @member {AbrController} abrController - */ + for (var _i2 = 0; _i2 < nbSamples; _i2++) { + var avcSample = inputSamples[_i2], + avcSampleUnits = avcSample.units, + mp4SampleLength = 0, + compositionTimeOffset = void 0; // convert NALU bitstream to MP4 format (prepend NALU with size field) - var abrController = _this.abrController = new config.abrController(hls_assertThisInitialized(_this)); // eslint-disable-line new-cap + for (var _j = 0, _nbUnits = avcSampleUnits.length; _j < _nbUnits; _j++) { + var unit = avcSampleUnits[_j], + unitData = unit.data, + unitDataLen = unit.data.byteLength; + view.setUint32(offset, unitDataLen); + offset += 4; + mdat.set(unitData, offset); + offset += unitDataLen; + mp4SampleLength += 4 + unitDataLen; + } - var bufferController = new config.bufferController(hls_assertThisInitialized(_this)); // eslint-disable-line new-cap + if (!isSafari) { + // expected sample duration is the Decoding Timestamp diff of consecutive samples + if (_i2 < nbSamples - 1) { + mp4SampleDuration = inputSamples[_i2 + 1].dts - avcSample.dts; + } else { + var config = this.config, + lastFrameDuration = avcSample.dts - inputSamples[_i2 > 0 ? _i2 - 1 : _i2].dts; - var capLevelController = _this.capLevelController = new config.capLevelController(hls_assertThisInitialized(_this)); // eslint-disable-line new-cap + if (config.stretchShortVideoTrack) { + // In some cases, a segment's audio track duration may exceed the video track duration. + // Since we've already remuxed audio, and we know how long the audio track is, we look to + // see if the delta to the next segment is longer than maxBufferHole. + // If so, playback would potentially get stuck, so we artificially inflate + // the duration of the last frame to minimize any potential gap between segments. + var maxBufferHole = config.maxBufferHole, + gapTolerance = Math.floor(maxBufferHole * timeScale), + deltaToFrameEnd = (audioTrackLength ? firstPTS + audioTrackLength * timeScale : this.nextAudioPts) - avcSample.pts; - var fpsController = new config.fpsController(hls_assertThisInitialized(_this)); // eslint-disable-line new-cap + if (deltaToFrameEnd > gapTolerance) { + // We subtract lastFrameDuration from deltaToFrameEnd to try to prevent any video + // frame overlap. maxBufferHole should be >> lastFrameDuration anyway. + mp4SampleDuration = deltaToFrameEnd - lastFrameDuration; - var playListLoader = new playlist_loader(hls_assertThisInitialized(_this)); - var fragmentLoader = new fragment_loader(hls_assertThisInitialized(_this)); - var keyLoader = new key_loader(hls_assertThisInitialized(_this)); - var id3TrackController = new id3_track_controller(hls_assertThisInitialized(_this)); // network controllers + if (mp4SampleDuration < 0) { + mp4SampleDuration = lastFrameDuration; + } - /** - * @member {LevelController} levelController - */ + logger["logger"].log("It is approximately " + Object(timescale_conversion["toMsFromMpegTsClock"])(deltaToFrameEnd, false) + " ms to the next segment; using duration " + Object(timescale_conversion["toMsFromMpegTsClock"])(mp4SampleDuration, false) + " ms for the last video frame."); + } else { + mp4SampleDuration = lastFrameDuration; + } + } else { + mp4SampleDuration = lastFrameDuration; + } + } - var levelController = _this.levelController = new level_controller_LevelController(hls_assertThisInitialized(_this)); // FIXME: FragmentTracker must be defined before StreamController because the order of event handling is important + compositionTimeOffset = Math.round(avcSample.pts - avcSample.dts); + } else { + compositionTimeOffset = Math.max(0, mp4SampleDuration * Math.round((avcSample.pts - avcSample.dts) / mp4SampleDuration)); + } // console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${avcSample.pts}/${avcSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(avcSample.pts/4294967296).toFixed(3)}'); - var fragmentTracker = new fragment_tracker_FragmentTracker(hls_assertThisInitialized(_this)); - /** - * @member {StreamController} streamController - */ - var streamController = _this.streamController = new stream_controller(hls_assertThisInitialized(_this), fragmentTracker); - var networkControllers = [levelController, streamController]; // optional audio stream controller + outputSamples.push({ + size: mp4SampleLength, + // constant duration + duration: mp4SampleDuration, + cts: compositionTimeOffset, + flags: { + isLeading: 0, + isDependedOn: 0, + hasRedundancy: 0, + degradPrio: 0, + dependsOn: avcSample.key ? 2 : 1, + isNonSync: avcSample.key ? 0 : 1 + } + }); + } // next AVC sample DTS should be equal to last sample DTS + last sample duration (in PES timescale) - /** - * @var {ICoreComponent | Controller} - */ - var Controller = config.audioStreamController; + this.nextAvcDts = lastDTS + mp4SampleDuration; + var dropped = track.dropped; + track.nbNalu = 0; + track.dropped = 0; - if (Controller) { - networkControllers.push(new Controller(hls_assertThisInitialized(_this), fragmentTracker)); + if (outputSamples.length && navigator.userAgent.toLowerCase().indexOf('chrome') > -1) { + var flags = outputSamples[0].flags; // chrome workaround, mark first sample as being a Random Access Point to avoid sourcebuffer append issue + // https://code.google.com/p/chromium/issues/detail?id=229412 + + flags.dependsOn = 2; + flags.isNonSync = 0; } - /** - * @member {INetworkController[]} networkControllers - */ + track.samples = outputSamples; + moof = mp4_generator.moof(track.sequenceNumber++, firstDTS, track); + track.samples = []; + var data = { + data1: moof, + data2: mdat, + startPTS: firstPTS / timeScale, + endPTS: (lastPTS + mp4SampleDuration) / timeScale, + startDTS: firstDTS / timeScale, + endDTS: this.nextAvcDts / timeScale, + type: 'video', + hasAudio: false, + hasVideo: true, + nb: outputSamples.length, + dropped: dropped + }; + this.observer.trigger(events["default"].FRAG_PARSING_DATA, data); + return data; + }; - _this.networkControllers = networkControllers; - /** - * @var {ICoreComponent[]} - */ + _proto.remuxAudio = function remuxAudio(track, timeOffset, contiguous, accurateTimeOffset) { + var inputTimeScale = track.inputTimeScale; + var mp4timeScale = track.timescale; + var scaleFactor = inputTimeScale / mp4timeScale; + var mp4SampleDuration = track.isAAC ? 1024 : 1152; + var inputSampleDuration = mp4SampleDuration * scaleFactor; + var ptsNormalize = this._PTSNormalize; + var initPTS = this._initPTS; + var rawMPEG = !track.isAAC && this.typeSupported.mpeg; + var mp4Sample; + var fillFrame; + var mdat; + var moof; + var firstPTS; + var lastPTS; + var offset = rawMPEG ? 0 : 8; + var inputSamples = track.samples; + var outputSamples = []; + var nextAudioPts = this.nextAudioPts; // for audio samples, also consider consecutive fragments as being contiguous (even if a level switch occurs), + // for sake of clarity: + // consecutive fragments are frags with + // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR + // - less than 20 audio frames distance + // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1) + // this helps ensuring audio continuity + // and this also avoids audio glitches/cut when switching quality, or reporting wrong duration on first audio frame - var coreComponents = [playListLoader, fragmentLoader, keyLoader, abrController, bufferController, capLevelController, fpsController, id3TrackController, fragmentTracker]; // optional audio track and subtitle controller + contiguous |= inputSamples.length && nextAudioPts && (accurateTimeOffset && Math.abs(timeOffset - nextAudioPts / inputTimeScale) < 0.1 || Math.abs(inputSamples[0].pts - nextAudioPts - initPTS) < 20 * inputSampleDuration); // compute normalized PTS - Controller = config.audioTrackController; + inputSamples.forEach(function (sample) { + sample.pts = sample.dts = ptsNormalize(sample.pts - initPTS, timeOffset * inputTimeScale); + }); // filter out sample with negative PTS that are not playable anyway + // if we don't remove these negative samples, they will shift all audio samples forward. + // leading to audio overlap between current / next fragment - if (Controller) { - var audioTrackController = new Controller(hls_assertThisInitialized(_this)); - /** - * @member {AudioTrackController} audioTrackController - */ + inputSamples = inputSamples.filter(function (sample) { + return sample.pts >= 0; + }); // in case all samples have negative PTS, and have been filtered out, return now - _this.audioTrackController = audioTrackController; - coreComponents.push(audioTrackController); + if (inputSamples.length === 0) { + return; } - Controller = config.subtitleTrackController; + if (!contiguous) { + if (!accurateTimeOffset) { + // if frag are mot contiguous and if we cant trust time offset, let's use first sample PTS as next audio PTS + nextAudioPts = inputSamples[0].pts; + } else { + // if timeOffset is accurate, let's use it as predicted next audio PTS + nextAudioPts = timeOffset * inputTimeScale; + } + } // If the audio track is missing samples, the frames seem to get "left-shifted" within the + // resulting mp4 segment, causing sync issues and leaving gaps at the end of the audio segment. + // In an effort to prevent this from happening, we inject frames here where there are gaps. + // When possible, we inject a silent frame; when that's not possible, we duplicate the last + // frame. - if (Controller) { - var subtitleTrackController = new Controller(hls_assertThisInitialized(_this)); - /** - * @member {SubtitleTrackController} subtitleTrackController - */ - _this.subtitleTrackController = subtitleTrackController; - networkControllers.push(subtitleTrackController); - } + if (track.isAAC) { + var maxAudioFramesDrift = this.config.maxAudioFramesDrift; + + for (var i = 0, nextPts = nextAudioPts; i < inputSamples.length;) { + // First, let's see how far off this frame is from where we expect it to be + var sample = inputSamples[i], + delta; + var pts = sample.pts; + delta = pts - nextPts; // If we're overlapping by more than a duration, drop this sample + + if (delta <= -maxAudioFramesDrift * inputSampleDuration) { + logger["logger"].warn("Dropping 1 audio frame @ " + Object(timescale_conversion["toMsFromMpegTsClock"])(nextPts, true) + " ms due to " + Object(timescale_conversion["toMsFromMpegTsClock"])(delta, true) + " ms overlap."); + inputSamples.splice(i, 1); // Don't touch nextPtsNorm or i + } // eslint-disable-line brace-style + // Insert missing frames if: + // 1: We're more than maxAudioFramesDrift frame away + // 2: Not more than MAX_SILENT_FRAME_DURATION away + // 3: currentTime (aka nextPtsNorm) is not 0 + else if (delta >= maxAudioFramesDrift * inputSampleDuration && delta < MAX_SILENT_FRAME_DURATION_90KHZ && nextPts) { + var missing = Math.round(delta / inputSampleDuration); + logger["logger"].warn("Injecting " + missing + " audio frames @ " + Object(timescale_conversion["toMsFromMpegTsClock"])(nextPts, true) + " ms due to " + Object(timescale_conversion["toMsFromMpegTsClock"])(nextPts, true) + " ms gap."); + + for (var j = 0; j < missing; j++) { + var newStamp = Math.max(nextPts, 0); + fillFrame = aac_helper.getSilentFrame(track.manifestCodec || track.codec, track.channelCount); + + if (!fillFrame) { + logger["logger"].log('Unable to get silent frame for given audio codec; duplicating last frame instead.'); + fillFrame = sample.unit.subarray(); + } + + inputSamples.splice(i, 0, { + unit: fillFrame, + pts: newStamp, + dts: newStamp + }); + nextPts += inputSampleDuration; + i++; + } // Adjust sample to next expected pts - Controller = config.emeController; - if (Controller) { - var emeController = new Controller(hls_assertThisInitialized(_this)); - /** - * @member {EMEController} emeController - */ + sample.pts = sample.dts = nextPts; + nextPts += inputSampleDuration; + i++; + } else { + // Otherwise, just adjust pts + if (Math.abs(delta) > 0.1 * inputSampleDuration) {// logger.log(`Invalid frame delta ${Math.round(delta + inputSampleDuration)} at PTS ${Math.round(pts / 90)} (should be ${Math.round(inputSampleDuration)}).`); + } - _this.emeController = emeController; - coreComponents.push(emeController); - } // optional subtitle controllers + sample.pts = sample.dts = nextPts; + nextPts += inputSampleDuration; + i++; + } + } + } // compute mdat size, as we eventually filtered/added some samples - Controller = config.subtitleStreamController; + var nbSamples = inputSamples.length; + var mdatSize = 0; - if (Controller) { - networkControllers.push(new Controller(hls_assertThisInitialized(_this), fragmentTracker)); + while (nbSamples--) { + mdatSize += inputSamples[nbSamples].unit.byteLength; } - Controller = config.timelineController; - - if (Controller) { - coreComponents.push(new Controller(hls_assertThisInitialized(_this))); - } - /** - * @member {ICoreComponent[]} - */ + for (var _j2 = 0, _nbSamples = inputSamples.length; _j2 < _nbSamples; _j2++) { + var audioSample = inputSamples[_j2]; + var unit = audioSample.unit; + var _pts = audioSample.pts; // logger.log(`Audio/PTS:${toMsFromMpegTsClock(pts, true)}`); + // if not first sample + if (lastPTS !== undefined) { + mp4Sample.duration = Math.round((_pts - lastPTS) / scaleFactor); + } else { + var _delta = _pts - nextAudioPts; - _this.coreComponents = coreComponents; - return _this; - } - /** - * Dispose of the instance - */ + var numMissingFrames = 0; // if fragment are contiguous, detect hole/overlapping between fragments + // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1) + if (contiguous && track.isAAC) { + // log delta + if (_delta) { + if (_delta > 0 && _delta < MAX_SILENT_FRAME_DURATION_90KHZ) { + // Q: why do we have to round here, shouldn't this always result in an integer if timestamps are correct, + // and if not, shouldn't we actually Math.ceil() instead? + numMissingFrames = Math.round((_pts - nextAudioPts) / inputSampleDuration); + logger["logger"].log(Object(timescale_conversion["toMsFromMpegTsClock"])(_delta, true) + " ms hole between AAC samples detected,filling it"); - var _proto = Hls.prototype; + if (numMissingFrames > 0) { + fillFrame = aac_helper.getSilentFrame(track.manifestCodec || track.codec, track.channelCount); - _proto.destroy = function destroy() { - logger["logger"].log('destroy'); - this.trigger(events["default"].DESTROYING); - this.detachMedia(); - this.coreComponents.concat(this.networkControllers).forEach(function (component) { - component.destroy(); - }); - this.url = null; - this.removeAllListeners(); - this._autoLevelCapping = -1; - } - /** - * Attach a media element - * @param {HTMLMediaElement} media - */ - ; + if (!fillFrame) { + fillFrame = unit.subarray(); + } - _proto.attachMedia = function attachMedia(media) { - logger["logger"].log('attachMedia'); - this.media = media; - this.trigger(events["default"].MEDIA_ATTACHING, { - media: media - }); - } - /** - * Detach from the media - */ - ; + mdatSize += numMissingFrames * fillFrame.length; + } // if we have frame overlap, overlapping for more than half a frame duraion - _proto.detachMedia = function detachMedia() { - logger["logger"].log('detachMedia'); - this.trigger(events["default"].MEDIA_DETACHING); - this.media = null; - } - /** - * Set the source URL. Can be relative or absolute. - * @param {string} url - */ - ; + } else if (_delta < -12) { + // drop overlapping audio frames... browser will deal with it + logger["logger"].log("drop overlapping AAC sample, expected/parsed/delta: " + Object(timescale_conversion["toMsFromMpegTsClock"])(nextAudioPts, true) + " ms / " + Object(timescale_conversion["toMsFromMpegTsClock"])(_pts, true) + " ms / " + Object(timescale_conversion["toMsFromMpegTsClock"])(-_delta, true) + " ms"); + mdatSize -= unit.byteLength; + continue; + } // set PTS/DTS to expected PTS/DTS - _proto.loadSource = function loadSource(url) { - url = url_toolkit["buildAbsoluteURL"](window.location.href, url, { - alwaysNormalize: true - }); - logger["logger"].log("loadSource:" + url); - this.url = url; // when attaching to a source URL, trigger a playlist load - this.trigger(events["default"].MANIFEST_LOADING, { - url: url - }); - } - /** - * Start loading data from the stream source. - * Depending on default config, client starts loading automatically when a source is set. - * - * @param {number} startPosition Set the start position to stream from - * @default -1 None (from earliest point) - */ - ; + _pts = nextAudioPts; + } + } // remember first PTS of our audioSamples - _proto.startLoad = function startLoad(startPosition) { - if (startPosition === void 0) { - startPosition = -1; - } - logger["logger"].log("startLoad(" + startPosition + ")"); - this.networkControllers.forEach(function (controller) { - controller.startLoad(startPosition); - }); - } - /** - * Stop loading of any stream data. - */ - ; + firstPTS = _pts; - _proto.stopLoad = function stopLoad() { - logger["logger"].log('stopLoad'); - this.networkControllers.forEach(function (controller) { - controller.stopLoad(); - }); - } - /** - * Swap through possible audio codecs in the stream (for example to switch from stereo to 5.1) - */ - ; + if (mdatSize > 0) { + mdatSize += offset; - _proto.swapAudioCodec = function swapAudioCodec() { - logger["logger"].log('swapAudioCodec'); - this.streamController.swapAudioCodec(); - } - /** - * When the media-element fails, this allows to detach and then re-attach it - * as one call (convenience method). - * - * Automatic recovery of media-errors by this process is configurable. - */ - ; + try { + mdat = new Uint8Array(mdatSize); + } catch (err) { + this.observer.trigger(events["default"].ERROR, { + type: errors["ErrorTypes"].MUX_ERROR, + details: errors["ErrorDetails"].REMUX_ALLOC_ERROR, + fatal: false, + bytes: mdatSize, + reason: "fail allocating audio mdat " + mdatSize + }); + return; + } - _proto.recoverMediaError = function recoverMediaError() { - logger["logger"].log('recoverMediaError'); - var media = this.media; - this.detachMedia(); + if (!rawMPEG) { + var view = new DataView(mdat.buffer); + view.setUint32(0, mdatSize); + mdat.set(mp4_generator.types.mdat, 4); + } + } else { + // no audio samples + return; + } - if (media) { - this.attachMedia(media); - } - } - /** - * @type {QualityLevel[]} - */ - // todo(typescript-levelController) - ; + for (var _i3 = 0; _i3 < numMissingFrames; _i3++) { + fillFrame = aac_helper.getSilentFrame(track.manifestCodec || track.codec, track.channelCount); - hls_createClass(Hls, [{ - key: "levels", - get: function get() { - return this.levelController.levels; - } - /** - * Index of quality level currently played - * @type {number} - */ + if (!fillFrame) { + logger["logger"].log('Unable to get silent frame for given audio codec; duplicating this frame instead.'); + fillFrame = unit.subarray(); + } - }, { - key: "currentLevel", - get: function get() { - return this.streamController.currentLevel; - } - /** - * Set quality level index immediately . - * This will flush the current buffer to replace the quality asap. - * That means playback will interrupt at least shortly to re-buffer and re-sync eventually. - * @type {number} -1 for automatic level selection - */ - , - set: function set(newLevel) { - logger["logger"].log("set currentLevel:" + newLevel); - this.loadLevel = newLevel; - this.streamController.immediateLevelSwitch(); - } - /** - * Index of next quality level loaded as scheduled by stream controller. - * @type {number} - */ + mdat.set(fillFrame, offset); + offset += fillFrame.byteLength; + mp4Sample = { + size: fillFrame.byteLength, + cts: 0, + duration: 1024, + flags: { + isLeading: 0, + isDependedOn: 0, + hasRedundancy: 0, + degradPrio: 0, + dependsOn: 1 + } + }; + outputSamples.push(mp4Sample); + } + } - }, { - key: "nextLevel", - get: function get() { - return this.streamController.nextLevel; - } - /** - * Set quality level index for next loaded data. - * This will switch the video quality asap, without interrupting playback. - * May abort current loading of data, and flush parts of buffer (outside currently played fragment region). - * @type {number} -1 for automatic level selection - */ - , - set: function set(newLevel) { - logger["logger"].log("set nextLevel:" + newLevel); - this.levelController.manualLevel = newLevel; - this.streamController.nextLevelSwitch(); - } - /** - * Return the quality level of the currently or last (of none is loaded currently) segment - * @type {number} - */ + mdat.set(unit, offset); + var unitLen = unit.byteLength; + offset += unitLen; // console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${audioSample.pts}/${audioSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(audioSample.pts/4294967296).toFixed(3)}'); - }, { - key: "loadLevel", - get: function get() { - return this.levelController.level; - } - /** - * Set quality level index for next loaded data in a conservative way. - * This will switch the quality without flushing, but interrupt current loading. - * Thus the moment when the quality switch will appear in effect will only be after the already existing buffer. - * @type {number} newLevel -1 for automatic level selection - */ - , - set: function set(newLevel) { - logger["logger"].log("set loadLevel:" + newLevel); - this.levelController.manualLevel = newLevel; + mp4Sample = { + size: unitLen, + cts: 0, + duration: 0, + flags: { + isLeading: 0, + isDependedOn: 0, + hasRedundancy: 0, + degradPrio: 0, + dependsOn: 1 + } + }; + outputSamples.push(mp4Sample); + lastPTS = _pts; } - /** - * get next quality level loaded - * @type {number} - */ - }, { - key: "nextLoadLevel", - get: function get() { - return this.levelController.nextLoadLevel; - } - /** - * Set quality level of next loaded segment in a fully "non-destructive" way. - * Same as `loadLevel` but will wait for next switch (until current loading is done). - * @type {number} level - */ - , - set: function set(level) { - this.levelController.nextLoadLevel = level; - } - /** - * Return "first level": like a default level, if not set, - * falls back to index of first level referenced in manifest - * @type {number} - */ + var lastSampleDuration = 0; + nbSamples = outputSamples.length; // set last sample duration as being identical to previous sample - }, { - key: "firstLevel", - get: function get() { - return Math.max(this.levelController.firstLevel, this.minAutoLevel); - } - /** - * Sets "first-level", see getter. - * @type {number} - */ - , - set: function set(newLevel) { - logger["logger"].log("set firstLevel:" + newLevel); - this.levelController.firstLevel = newLevel; + if (nbSamples >= 2) { + lastSampleDuration = outputSamples[nbSamples - 2].duration; + mp4Sample.duration = lastSampleDuration; } - /** - * Return start level (level of first fragment that will be played back) - * if not overrided by user, first level appearing in manifest will be used as start level - * if -1 : automatic start level selection, playback will start from level matching download bandwidth - * (determined from download of first segment) - * @type {number} - */ - }, { - key: "startLevel", - get: function get() { - return this.levelController.startLevel; - } - /** - * set start level (level of first fragment that will be played back) - * if not overrided by user, first level appearing in manifest will be used as start level - * if -1 : automatic start level selection, playback will start from level matching download bandwidth - * (determined from download of first segment) - * @type {number} newLevel - */ - , - set: function set(newLevel) { - logger["logger"].log("set startLevel:" + newLevel); // if not in automatic start level detection, ensure startLevel is greater than minAutoLevel + if (nbSamples) { + // next audio sample PTS should be equal to last sample PTS + duration + this.nextAudioPts = nextAudioPts = lastPTS + scaleFactor * lastSampleDuration; // logger.log('Audio/PTS/PTSend:' + audioSample.pts.toFixed(0) + '/' + this.nextAacDts.toFixed(0)); - if (newLevel !== -1) { - newLevel = Math.max(newLevel, this.minAutoLevel); + track.samples = outputSamples; + + if (rawMPEG) { + moof = new Uint8Array(); + } else { + moof = mp4_generator.moof(track.sequenceNumber++, firstPTS / scaleFactor, track); } - this.levelController.startLevel = newLevel; + track.samples = []; + var start = firstPTS / inputTimeScale; + var end = nextAudioPts / inputTimeScale; + var audioData = { + data1: moof, + data2: mdat, + startPTS: start, + endPTS: end, + startDTS: start, + endDTS: end, + type: 'audio', + hasAudio: true, + hasVideo: false, + nb: nbSamples + }; + this.observer.trigger(events["default"].FRAG_PARSING_DATA, audioData); + return audioData; } - /** - * set dynamically set capLevelToPlayerSize against (`CapLevelController`) - * - * @type {boolean} - */ - }, { - key: "capLevelToPlayerSize", - set: function set(shouldStartCapping) { - var newCapLevelToPlayerSize = !!shouldStartCapping; + return null; + }; - if (newCapLevelToPlayerSize !== this.config.capLevelToPlayerSize) { - if (newCapLevelToPlayerSize) { - this.capLevelController.startCapping(); // If capping occurs, nextLevelSwitch will happen based on size. - } else { - this.capLevelController.stopCapping(); - this.autoLevelCapping = -1; - this.streamController.nextLevelSwitch(); // Now we're uncapped, get the next level asap. - } + _proto.remuxEmptyAudio = function remuxEmptyAudio(track, timeOffset, contiguous, videoData) { + var inputTimeScale = track.inputTimeScale; + var mp4timeScale = track.samplerate ? track.samplerate : inputTimeScale; + var scaleFactor = inputTimeScale / mp4timeScale; + var nextAudioPts = this.nextAudioPts; // sync with video's timestamp - this.config.capLevelToPlayerSize = newCapLevelToPlayerSize; - } - } - /** - * Capping/max level value that should be used by automatic level selection algorithm (`ABRController`) - * @type {number} - */ + var startDTS = (nextAudioPts !== undefined ? nextAudioPts : videoData.startDTS * inputTimeScale) + this._initDTS; + var endDTS = videoData.endDTS * inputTimeScale + this._initDTS; // one sample's duration value - }, { - key: "autoLevelCapping", - get: function get() { - return this._autoLevelCapping; - } - /** - * get bandwidth estimate - * @type {number} - */ - , + var sampleDuration = 1024; + var frameDuration = scaleFactor * sampleDuration; // samples count of this segment's duration - /** - * Capping/max level value that should be used by automatic level selection algorithm (`ABRController`) - * @type {number} - */ - set: function set(newLevel) { - logger["logger"].log("set autoLevelCapping:" + newLevel); - this._autoLevelCapping = newLevel; - } - /** - * True when automatic level selection enabled - * @type {boolean} - */ + var nbSamples = Math.ceil((endDTS - startDTS) / frameDuration); // silent frame - }, { - key: "bandwidthEstimate", - get: function get() { - var bwEstimator = this.abrController._bwEstimator; - return bwEstimator ? bwEstimator.getEstimate() : NaN; - } - }, { - key: "autoLevelEnabled", - get: function get() { - return this.levelController.manualLevel === -1; + var silentFrame = aac_helper.getSilentFrame(track.manifestCodec || track.codec, track.channelCount); + logger["logger"].warn('remux empty Audio'); // Can't remux if we can't generate a silent frame... + + if (!silentFrame) { + logger["logger"].trace('Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!'); + return; } - /** - * Level set manually (if any) - * @type {number} - */ - }, { - key: "manualLevel", - get: function get() { - return this.levelController.manualLevel; + var samples = []; + + for (var i = 0; i < nbSamples; i++) { + var stamp = startDTS + i * frameDuration; + samples.push({ + unit: silentFrame, + pts: stamp, + dts: stamp + }); } - /** - * min level selectable in auto mode according to config.minAutoBitrate - * @type {number} - */ - }, { - key: "minAutoLevel", - get: function get() { - var levels = this.levels, - minAutoBitrate = this.config.minAutoBitrate; - var len = levels ? levels.length : 0; + track.samples = samples; + this.remuxAudio(track, timeOffset, contiguous); + }; + + _proto.remuxID3 = function remuxID3(track) { + var length = track.samples.length, + sample; + var inputTimeScale = track.inputTimeScale; + var initPTS = this._initPTS; + var initDTS = this._initDTS; // consume samples - for (var i = 0; i < len; i++) { - var levelNextBitrate = levels[i].realBitrate ? Math.max(levels[i].realBitrate, levels[i].bitrate) : levels[i].bitrate; + if (length) { + for (var index = 0; index < length; index++) { + sample = track.samples[index]; // setting id3 pts, dts to relative time + // using this._initPTS and this._initDTS to calculate relative time - if (levelNextBitrate > minAutoBitrate) { - return i; - } + sample.pts = (sample.pts - initPTS) / inputTimeScale; + sample.dts = (sample.dts - initDTS) / inputTimeScale; } - return 0; + this.observer.trigger(events["default"].FRAG_PARSING_METADATA, { + samples: track.samples + }); } - /** - * max level selectable in auto mode according to autoLevelCapping - * @type {number} - */ - }, { - key: "maxAutoLevel", - get: function get() { - var levels = this.levels, - autoLevelCapping = this.autoLevelCapping; - var maxAutoLevel; + track.samples = []; + }; - if (autoLevelCapping === -1 && levels && levels.length) { - maxAutoLevel = levels.length - 1; - } else { - maxAutoLevel = autoLevelCapping; - } + _proto.remuxText = function remuxText(track) { + track.samples.sort(function (a, b) { + return a.pts - b.pts; + }); + var length = track.samples.length, + sample; + var inputTimeScale = track.inputTimeScale; + var initPTS = this._initPTS; // consume samples - return maxAutoLevel; - } - /** - * next automatically selected quality level - * @type {number} - */ + if (length) { + for (var index = 0; index < length; index++) { + sample = track.samples[index]; // setting text pts, dts to relative time + // using this._initPTS and this._initDTS to calculate relative time - }, { - key: "nextAutoLevel", - get: function get() { - // ensure next auto level is between min and max auto level - return Math.min(Math.max(this.abrController.nextAutoLevel, this.minAutoLevel), this.maxAutoLevel); - } - /** - * this setter is used to force next auto level. - * this is useful to force a switch down in auto mode: - * in case of load error on level N, hls.js can set nextAutoLevel to N-1 for example) - * forced value is valid for one fragment. upon succesful frag loading at forced level, - * this value will be resetted to -1 by ABR controller. - * @type {number} - */ - , - set: function set(nextLevel) { - this.abrController.nextAutoLevel = Math.max(this.minAutoLevel, nextLevel); - } - /** - * @type {AudioTrack[]} - */ - // todo(typescript-audioTrackController) + sample.pts = (sample.pts - initPTS) / inputTimeScale; + } - }, { - key: "audioTracks", - get: function get() { - var audioTrackController = this.audioTrackController; - return audioTrackController ? audioTrackController.audioTracks : []; + this.observer.trigger(events["default"].FRAG_PARSING_USERDATA, { + samples: track.samples + }); } - /** - * index of the selected audio track (index in audio track lists) - * @type {number} - */ - }, { - key: "audioTrack", - get: function get() { - var audioTrackController = this.audioTrackController; - return audioTrackController ? audioTrackController.audioTrack : -1; - } - /** - * selects an audio track, based on its index in audio track lists - * @type {number} - */ - , - set: function set(audioTrackId) { - var audioTrackController = this.audioTrackController; + track.samples = []; + }; - if (audioTrackController) { - audioTrackController.audioTrack = audioTrackId; - } - } - /** - * @type {Seconds} - */ + _proto._PTSNormalize = function _PTSNormalize(value, reference) { + var offset; - }, { - key: "liveSyncPosition", - get: function get() { - return this.streamController.liveSyncPosition; + if (reference === undefined) { + return value; } - /** - * get alternate subtitle tracks list from playlist - * @type {SubtitleTrack[]} - */ - // todo(typescript-subtitleTrackController) - }, { - key: "subtitleTracks", - get: function get() { - var subtitleTrackController = this.subtitleTrackController; - return subtitleTrackController ? subtitleTrackController.subtitleTracks : []; + if (reference < value) { + // - 2^33 + offset = -8589934592; + } else { + // + 2^33 + offset = 8589934592; } - /** - * index of the selected subtitle track (index in subtitle track lists) - * @type {number} - */ + /* PTS is 33bit (from 0 to 2^33 -1) + if diff between value and reference is bigger than half of the amplitude (2^32) then it means that + PTS looping occured. fill the gap */ - }, { - key: "subtitleTrack", - get: function get() { - var subtitleTrackController = this.subtitleTrackController; - return subtitleTrackController ? subtitleTrackController.subtitleTrack : -1; - } - /** - * select an subtitle track, based on its index in subtitle track lists - * @type {number} - */ - , - set: function set(subtitleTrackId) { - var subtitleTrackController = this.subtitleTrackController; - if (subtitleTrackController) { - subtitleTrackController.subtitleTrack = subtitleTrackId; - } + while (Math.abs(value - reference) > 4294967296) { + value += offset; } - /** - * @type {boolean} - */ - }, { - key: "subtitleDisplay", - get: function get() { - var subtitleTrackController = this.subtitleTrackController; - return subtitleTrackController ? subtitleTrackController.subtitleDisplay : false; - } - /** - * Enable/disable subtitle display rendering - * @type {boolean} - */ - , - set: function set(value) { - var subtitleTrackController = this.subtitleTrackController; + return value; + }; - if (subtitleTrackController) { - subtitleTrackController.subtitleDisplay = value; - } - } - }]); + return MP4Remuxer; +}(); - return Hls; -}(Observer); +function normalizePts(value, reference) { + var offset; -hls_Hls.defaultConfig = void 0; + if (reference === null) { + return value; + } + if (reference < value) { + // - 2^33 + offset = -8589934592; + } else { + // + 2^33 + offset = 8589934592; + } + /* PTS is 33bit (from 0 to 2^33 -1) + if diff between value and reference is bigger than half of the amplitude (2^32) then it means that + PTS looping occured. fill the gap */ -/***/ }), -/***/ "./src/polyfills/number-isFinite.js": -/*!******************************************!*\ - !*** ./src/polyfills/number-isFinite.js ***! - \******************************************/ -/*! exports provided: isFiniteNumber */ -/***/ (function(module, __webpack_exports__, __webpack_require__) { + while (Math.abs(value - reference) > 4294967296) { + value += offset; + } -"use strict"; -__webpack_require__.r(__webpack_exports__); -/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isFiniteNumber", function() { return isFiniteNumber; }); -var isFiniteNumber = Number.isFinite || function (value) { - return typeof value === 'number' && isFinite(value); -}; + return value; +} +/* harmony default export */ var mp4_remuxer = __webpack_exports__["default"] = (mp4_remuxer_MP4Remuxer); /***/ }), @@ -21265,6 +21302,61 @@ var enableLogs = function enableLogs(debugConfig) { }; var logger = exportedLogger; +/***/ }), + +/***/ "./src/utils/timescale-conversion.ts": +/*!*******************************************!*\ + !*** ./src/utils/timescale-conversion.ts ***! + \*******************************************/ +/*! exports provided: toTimescaleFromScale, toTimescaleFromBase, toMsFromMpegTsClock, toMpegTsClockFromTimescale */ +/***/ (function(module, __webpack_exports__, __webpack_require__) { + +"use strict"; +__webpack_require__.r(__webpack_exports__); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "toTimescaleFromScale", function() { return toTimescaleFromScale; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "toTimescaleFromBase", function() { return toTimescaleFromBase; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "toMsFromMpegTsClock", function() { return toMsFromMpegTsClock; }); +/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "toMpegTsClockFromTimescale", function() { return toMpegTsClockFromTimescale; }); +var MPEG_TS_CLOCK_FREQ_HZ = 90000; +function toTimescaleFromScale(value, destScale, srcScale, round) { + if (srcScale === void 0) { + srcScale = 1; + } + + if (round === void 0) { + round = false; + } + + return toTimescaleFromBase(value, destScale, 1 / srcScale); +} +function toTimescaleFromBase(value, destScale, srcBase, round) { + if (srcBase === void 0) { + srcBase = 1; + } + + if (round === void 0) { + round = false; + } + + var result = value * destScale * srcBase; // equivalent to `(value * scale) / (1 / base)` + + return round ? Math.round(result) : result; +} +function toMsFromMpegTsClock(value, round) { + if (round === void 0) { + round = false; + } + + return toTimescaleFromBase(value, 1000, 1 / MPEG_TS_CLOCK_FREQ_HZ, round); +} +function toMpegTsClockFromTimescale(value, srcScale) { + if (srcScale === void 0) { + srcScale = 1; + } + + return toTimescaleFromBase(value, MPEG_TS_CLOCK_FREQ_HZ, 1 / srcScale); +} + /***/ }) /******/ })["default"]; diff --git a/dist/hls.js.map b/dist/hls.js.map index 7ac1ab59740..a5de861ba5f 100644 --- a/dist/hls.js.map +++ b/dist/hls.js.map @@ -1 +1 @@ -{"version":3,"sources":["webpack://Hls/webpack/universalModuleDefinition","webpack://Hls/webpack/bootstrap","webpack://Hls/./node_modules/eventemitter3/index.js","webpack://Hls/./node_modules/url-toolkit/src/url-toolkit.js","webpack://Hls/./node_modules/webworkify-webpack/index.js","webpack://Hls/./src/crypt/aes-crypto.js","webpack://Hls/./src/crypt/fast-aes-key.js","webpack://Hls/./src/crypt/aes-decryptor.js","webpack://Hls/./src/crypt/decrypter.js","webpack://Hls/./src/demux/adts.js","webpack://Hls/./src/demux/aacdemuxer.js","webpack://Hls/./src/demux/mpegaudio.js","webpack://Hls/./src/demux/exp-golomb.js","webpack://Hls/./src/demux/sample-aes.js","webpack://Hls/./src/demux/tsdemuxer.js","webpack://Hls/./src/demux/mp3demuxer.js","webpack://Hls/./src/remux/aac-helper.js","webpack://Hls/./src/remux/mp4-generator.js","webpack://Hls/./src/utils/timescale-conversion.ts","webpack://Hls/./src/remux/mp4-remuxer.js","webpack://Hls/./src/remux/passthrough-remuxer.js","webpack://Hls/./src/demux/demuxer-inline.js","webpack://Hls/./src/demux/demuxer-worker.js","webpack://Hls/./src/demux/id3.js","webpack://Hls/./src/demux/mp4demuxer.js","webpack://Hls/./src/errors.ts","webpack://Hls/./src/events.js","webpack://Hls/./src/event-handler.ts","webpack://Hls/./src/types/loader.ts","webpack://Hls/./src/loader/level-key.ts","webpack://Hls/./src/loader/fragment.ts","webpack://Hls/./src/loader/level.js","webpack://Hls/./src/utils/attr-list.js","webpack://Hls/./src/utils/codecs.ts","webpack://Hls/./src/loader/m3u8-parser.ts","webpack://Hls/./src/loader/playlist-loader.ts","webpack://Hls/./src/loader/fragment-loader.js","webpack://Hls/./src/loader/key-loader.ts","webpack://Hls/./src/controller/fragment-tracker.js","webpack://Hls/./src/utils/binary-search.ts","webpack://Hls/./src/utils/buffer-helper.ts","webpack://Hls/./src/utils/mediasource-helper.ts","webpack://Hls/./src/observer.ts","webpack://Hls/./src/demux/demuxer.js","webpack://Hls/./src/controller/level-helper.js","webpack://Hls/./src/utils/time-ranges.ts","webpack://Hls/./src/utils/discontinuities.js","webpack://Hls/./src/controller/fragment-finders.ts","webpack://Hls/./src/controller/gap-controller.js","webpack://Hls/./src/task-loop.ts","webpack://Hls/./src/controller/base-stream-controller.js","webpack://Hls/./src/controller/stream-controller.js","webpack://Hls/./src/controller/level-controller.js","webpack://Hls/./src/utils/texttrack-utils.ts","webpack://Hls/./src/controller/id3-track-controller.js","webpack://Hls/./src/is-supported.ts","webpack://Hls/./src/utils/ewma.ts","webpack://Hls/./src/utils/ewma-bandwidth-estimator.ts","webpack://Hls/./src/controller/abr-controller.js","webpack://Hls/./src/controller/buffer-controller.ts","webpack://Hls/./src/controller/cap-level-controller.js","webpack://Hls/./src/controller/fps-controller.js","webpack://Hls/./src/utils/xhr-loader.js","webpack://Hls/./src/controller/audio-track-controller.js","webpack://Hls/./src/controller/audio-stream-controller.js","webpack://Hls/./src/utils/vttcue.js","webpack://Hls/./src/utils/vttparser.js","webpack://Hls/./src/utils/cues.ts","webpack://Hls/./src/utils/cea-608-parser.ts","webpack://Hls/./src/utils/output-filter.ts","webpack://Hls/./src/utils/webvtt-parser.js","webpack://Hls/./src/controller/timeline-controller.ts","webpack://Hls/./src/controller/subtitle-track-controller.js","webpack://Hls/./src/controller/subtitle-stream-controller.js","webpack://Hls/./src/utils/mediakeys-helper.ts","webpack://Hls/./src/controller/eme-controller.ts","webpack://Hls/./src/config.ts","webpack://Hls/./src/hls.ts","webpack://Hls/./src/polyfills/number-isFinite.js","webpack://Hls/./src/utils/get-self-scope.js","webpack://Hls/./src/utils/logger.js"],"names":["AESCrypto","subtle","iv","aesIV","decrypt","data","key","name","FastAESKey","expandKey","importKey","removePadding","buffer","outputBytes","byteLength","paddingBytes","DataView","getUint8","slice","AESDecryptor","rcon","subMix","Uint32Array","invSubMix","sBox","invSBox","initTable","uint8ArrayToUint32Array_","arrayBuffer","view","newArray","i","getUint32","subMix0","subMix1","subMix2","subMix3","invSubMix0","invSubMix1","invSubMix2","invSubMix3","d","x","xi","sx","x2","x4","x8","t","keyBuffer","sameKey","offset","length","keySize","Error","ksRows","ksRow","invKsRow","keySchedule","invKeySchedule","sbox","prev","networkToHostOrderSwap","word","inputArrayBuffer","removePKCS7Padding","nRounds","invSBOX","initVector","initVector0","initVector1","initVector2","initVector3","inputInt32","Int32Array","outputInt32","t0","t1","t2","t3","s0","s1","s2","s3","inputWords0","inputWords1","inputWords2","inputWords3","swapWord","destroy","undefined","global","getSelfScope","Decrypter","observer","config","logEnabled","browserCrypto","crypto","webkitSubtle","e","disableWebCrypto","isSync","enableSoftwareAES","callback","logger","log","decryptor","fastAesKey","then","aesKey","catch","err","onWebCryptoError","result","error","message","trigger","Event","ERROR","type","ErrorTypes","MEDIA_ERROR","details","ErrorDetails","FRAG_DECRYPT_ERROR","fatal","reason","getAudioConfig","audioCodec","adtsObjectType","adtsSampleingIndex","adtsExtensionSampleingIndex","adtsChanelConfig","userAgent","navigator","toLowerCase","manifestCodec","adtsSampleingRates","FRAG_PARSING_ERROR","test","Array","indexOf","samplerate","channelCount","codec","isHeaderPattern","getHeaderLength","getFullFrameLength","isHeader","probe","headerLength","frameLength","newOffset","initTrackConfig","track","getFrameDuration","parseFrameHeader","pts","frameIndex","frameDuration","stamp","appendFrame","header","aacSample","unit","subarray","dts","samples","push","sample","AACDemuxer","remuxer","resetInitSegment","initSegment","videoCodec","duration","_audioTrack","container","id","sequenceNumber","isAAC","len","inputTimeScale","resetTimeStamp","id3Data","ID3","getID3Data","ADTS","append","timeOffset","contiguous","accurateTimeOffset","timestamp","getTimeStamp","id3Samples","frame","remux","MpegAudio","BitratesMap","SamplingRateMap","SamplesCoefficients","BytesInSlot","parseHeader","samplesPerFrame","sampleRate","headerB","headerC","headerE","headerF","headerG","columnInBitrates","bitRate","columnInSampleRates","sampleCoefficient","bytesInSlot","parseInt","ExpGolomb","bytesAvailable","bitsAvailable","loadWord","position","workingBytes","Uint8Array","availableBytes","Math","min","set","skipBits","count","skipBytes","readBits","size","bits","valu","skipLZ","leadingZeroCount","skipUEG","skipEG","readUEG","clz","readEG","readBoolean","readUByte","readUShort","readUInt","skipScalingList","lastScale","nextScale","j","deltaScale","readSPS","frameCropLeftOffset","frameCropRightOffset","frameCropTopOffset","frameCropBottomOffset","profileIdc","profileCompat","levelIdc","numRefFramesInPicOrderCntCycle","picWidthInMbsMinus1","picHeightInMapUnitsMinus1","frameMbsOnlyFlag","scalingListCount","bind","chromaFormatIdc","picOrderCntType","pixelRatio","aspectRatioIdc","width","ceil","height","readSliceType","SampleAesDecrypter","decryptdata","discardEPB","decrypter","decryptBuffer","encryptedData","decryptAacSample","sampleIndex","sync","curUnit","encryptedBuffer","byteOffset","localthis","decryptedData","decryptAacSamples","getAvcEncryptedData","decodedData","encryptedDataLen","floor","Int8Array","outputPos","inputPos","getAvcDecryptedUnit","decryptAvcSample","unitIndex","decryptAvcSamples","curUnits","units","RemuxerTrackIdConfig","video","audio","id3","text","TSDemuxer","typeSupported","sampleAes","setDecryptData","method","syncOffset","_syncOffset","warn","scanwindow","createTrack","pid","dropped","pmtParsed","_pmtId","_avcTrack","_id3Track","_txtTrack","aacOverFlow","aacLastPTS","avcSample","_duration","start","stt","atf","pes","unknownPIDs","avcTrack","audioTrack","id3Track","avcId","audioId","id3Id","pmtId","avcData","pesData","audioData","parsePAT","_parsePAT","parsePMT","_parsePMT","parsePES","_parsePES","parseAVCPES","_parseAVCPES","parseAACPES","_parseAACPES","parseMPEGPES","_parseMPEGPES","parseID3PES","_parseID3PES","parsedPIDs","mpeg","mp3","avc","decryptAndRemux","videoTrack","textTrack","decryptAndRemuxAvc","_initPTS","_initDTS","mpegSupported","isSampleAes","sectionLength","tableEnd","programInfoLength","stream","frag","pesFlags","pesPrefix","pesLen","pesHdrLen","pesPts","pesDts","payloadStartOffset","newData","splice","round","dataLen","pushAccesUnit","nbSamples","isNaN","lastSample","forceKeyFrameOnDiscontinuity","sps","debug","last","_parseAVCNALu","expGolombDecoder","spsfound","createAVCSample","audFound","forEach","sliceType","payloadType","payloadSize","endOfCaptions","b","countryCode","providerCode","userStructure","userDataType","firstByte","secondByte","totalCCs","byteArray","_insertSampleInOrder","bytes","uuidStrArray","toString","userDataPayloadBytes","uuid","join","userDataBytes","userData","utf8ArrayToStr","codecarray","codecstring","h","pps","arr","pos","_getLastNalUnit","lastUnit","array","value","overflow","state","naluState","lastState","unitType","lastUnitStart","lastUnitType","tmp","EPBPositions","newLength","sourceIndex","shift","startOffset","newPTS","abs","MP3Demuxer","AAC","getSilentFrame","UINT32_MAX","pow","MP4","init","types","avc1","avcC","btrt","dinf","dref","esds","ftyp","hdlr","mdat","mdhd","mdia","mfhd","minf","moof","moov","mp4a","mvex","mvhd","pasp","sdtp","stbl","stco","stsc","stsd","stsz","stts","tfdt","tfhd","traf","trak","trun","trex","tkhd","vmhd","smhd","hasOwnProperty","charCodeAt","videoHdlr","audioHdlr","HDLR_TYPES","STTS","STSC","STCO","STSZ","VMHD","SMHD","STSD","majorBrand","avc1Brand","minorVersion","FTYP","box","DINF","payload","prototype","call","arguments","timescale","upperWordDuration","lowerWordDuration","sn","baseMediaDecodeTime","tracks","boxes","apply","concat","flags","dependsOn","isDependedOn","hasRedundancy","avcc","hSpacing","vSpacing","configlen","sampleDependencyTable","upperWordBaseMediaDecodeTime","lowerWordBaseMediaDecodeTime","arraylen","cts","isLeading","paddingValue","isNonSync","degradPrio","movie","MPEG_TS_CLOCK_FREQ_HZ","toTimescaleFromScale","destScale","srcScale","toTimescaleFromBase","srcBase","toMsFromMpegTsClock","toMpegTsClockFromTimescale","MAX_SILENT_FRAME_DURATION_90KHZ","PTS_DTS_SHIFT_TOLERANCE_90KHZ","MP4Remuxer","vendor","isSafari","match","ISGenerated","defaultTimeStamp","generateIS","nbAudioSamples","nbVideoSamples","audioTimeOffset","videoTimeOffset","audiovideoDeltaDts","max","remuxAudio","audioTrackLength","endPTS","startPTS","remuxVideo","videoData","remuxEmptyAudio","remuxID3","remuxText","FRAG_PARSED","audioSamples","videoSamples","computePTSDTS","initPTS","initDTS","Infinity","metadata","INIT_PTS_FOUND","Object","keys","FRAG_PARSING_INIT_SEGMENT","mp4SampleDuration","firstPTS","firstDTS","lastPTS","lastDTS","timeScale","inputSamples","outputSamples","ptsNormalize","_PTSNormalize","nextAvcDts","sort","a","deltadts","deltapts","PTSDTSshift","reduce","curr","delta","nbNalu","naluLen","nbUnits","sampleLen","mdatSize","MUX_ERROR","REMUX_ALLOC_ERROR","setUint32","avcSampleUnits","mp4SampleLength","compositionTimeOffset","unitData","unitDataLen","lastFrameDuration","stretchShortVideoTrack","maxBufferHole","gapTolerance","deltaToFrameEnd","nextAudioPts","data1","data2","startDTS","endDTS","hasAudio","hasVideo","nb","FRAG_PARSING_DATA","mp4timeScale","scaleFactor","inputSampleDuration","rawMPEG","mp4Sample","fillFrame","filter","maxAudioFramesDrift","nextPts","missing","newStamp","audioSample","numMissingFrames","unitLen","lastSampleDuration","end","sampleDuration","silentFrame","trace","index","FRAG_PARSING_METADATA","FRAG_PARSING_USERDATA","reference","PassThroughRemuxer","rawData","streamType","now","performance","Date","DemuxerInline","demuxer","discontinuity","trackSwitch","defaultInitPTS","startTime","endTime","FRAG_DECRYPTED","stats","tstart","tdecrypt","pushDecrypted","muxConfig","demux","MP4Demuxer","mux","DemuxerWorker","self","EventEmitter","event","emit","off","removeListener","forwardMessage","ev","postMessage","addEventListener","cmd","JSON","parse","enableLogs","on","transferable","isFooter","front","_readSize","frames","getID3Frames","isTimeStampFrame","_readTimeStamp","info","_getFrameData","String","fromCharCode","frameData","_decodeFrame","_decodePrivFrame","_decodeTextFrame","_decodeURLFrame","timeStampFrame","pts33Bit","owner","_utf8ArrayToStr","privateData","description","url","exitOnNull","decoder","getTextDecoder","decoded","decode","idx","substring","replace","c","char2","char3","out","TextDecoder","initData","parseInitSegment","audiovideo","findBox","bin2str","readUint16","val","readUint32","writeUint32","path","results","subresults","endbox","parseSegmentIndex","moovEndOffset","sidx","references","version","earliestPresentationTime","firstOffset","startByte","referencesCount","referenceIndex","referenceInfo","referenceSize","referenceType","console","subsegmentDuration","traks","trackId","hdlrType","codecBox","codecType","getStartDTS","fragment","trafs","baseTimes","map","scale","baseTime","isFinite","offsetStartDTS","upper","lower","HlsEvents","MEDIA_ATTACHING","MEDIA_ATTACHED","MEDIA_DETACHING","MEDIA_DETACHED","BUFFER_RESET","BUFFER_CODECS","BUFFER_CREATED","BUFFER_APPENDING","BUFFER_APPENDED","BUFFER_EOS","BUFFER_FLUSHING","BUFFER_FLUSHED","MANIFEST_LOADING","MANIFEST_LOADED","MANIFEST_PARSED","LEVEL_SWITCHING","LEVEL_SWITCHED","LEVEL_LOADING","LEVEL_LOADED","LEVEL_UPDATED","LEVEL_PTS_UPDATED","LIVE_BACK_BUFFER_REACHED","AUDIO_TRACKS_UPDATED","AUDIO_TRACK_SWITCHING","AUDIO_TRACK_SWITCHED","AUDIO_TRACK_LOADING","AUDIO_TRACK_LOADED","SUBTITLE_TRACKS_UPDATED","SUBTITLE_TRACK_SWITCH","SUBTITLE_TRACK_LOADING","SUBTITLE_TRACK_LOADED","SUBTITLE_FRAG_PROCESSED","FRAG_LOADING","FRAG_LOAD_PROGRESS","FRAG_LOAD_EMERGENCY_ABORTED","FRAG_LOADED","FRAG_BUFFERED","FRAG_CHANGED","FPS_DROP","FPS_DROP_LEVEL_CAPPING","DESTROYING","KEY_LOADING","KEY_LOADED","STREAM_STATE_TRANSITION","CAN_PLAY_AFTER_SEEK","FORBIDDEN_EVENT_NAMES","EventHandler","hls","handledEvents","useGenericHandler","onEvent","events","registerListeners","onHandlerDestroying","unregisterListeners","onHandlerDestroyed","isEventHandler","onEventGeneric","eventToFunction","funcName","constructor","OTHER_ERROR","INTERNAL_EXCEPTION","PlaylistContextType","PlaylistLevelType","LevelKey","baseURI","relativeURI","_uri","baseuri","reluri","buildAbsoluteURL","alwaysNormalize","ElementaryStreamTypes","Fragment","_url","_byteRange","_decryptdata","_elementaryStreams","AUDIO","VIDEO","deltaPTS","rawProgramDateTime","programDateTime","title","tagList","cc","relurl","baseurl","urlId","level","levelkey","loader","setByteRange","previousFrag","params","split","byteRange","byteRangeEndOffset","addElementaryStream","hasElementaryStream","createInitializationVector","segmentNumber","uint8View","setDecryptDataFromLevelKey","uri","Level","baseUrl","endCC","endSN","fragments","live","needSidxRanges","startCC","startSN","startTimeOffset","targetduration","totalduration","DECIMAL_RESOLUTION_REGEX","ATTR_LIST_REGEX","AttrList","attrs","parseAttrList","attr","decimalInteger","attrName","intValue","Number","MAX_SAFE_INTEGER","hexadecimalInteger","stringValue","hexadecimalIntegerAsNumber","decimalFloatingPoint","parseFloat","enumeratedString","decimalResolution","res","exec","input","lastIndex","quote","lastIndexOf","sampleEntryCodesISO","isCodecType","typeCodes","isCodecSupportedInMp4","MediaSource","isTypeSupported","MASTER_PLAYLIST_REGEX","MASTER_PLAYLIST_MEDIA_REGEX","LEVEL_PLAYLIST_REGEX_FAST","RegExp","source","LEVEL_PLAYLIST_REGEX_SLOW","MP4_REGEX_SUFFIX","M3U8Parser","findGroup","groups","mediaGroupId","group","convertAVC1ToAVCOTI","avcdata","substr","resolve","URLToolkit","parseMasterPlaylist","string","levels","setCodecs","codecs","filtered","preferred","unknownCodecs","resolution","bitrate","NAME","CODECS","parseMasterPlaylistMedia","audioGroups","medias","TYPE","media","groupId","LANGUAGE","default","DEFAULT","autoselect","AUTOSELECT","forced","FORCED","lang","URI","groupCodec","parseLevelPlaylist","levelUrlId","currentSN","discontinuityCounter","prevFrag","firstPdtIndex","assignProgramDateTime","value1","value2","toUpperCase","decryptparams","keyAttrs","decryptmethod","decrypturi","decryptiv","startAttrs","mapAttrs","BYTERANGE","pop","averagetargetduration","every","backfillProgramDateTimes","startIndex","fragPrev","endProgramDateTime","window","PlaylistLoader","loaders","canHaveQualityLevels","AUDIO_TRACK","SUBTITLE_TRACK","mapContextToLevelType","context","SUBTITLE","MAIN","getResponseUrl","response","createInternalLoader","PLoader","pLoader","Loader","InternalLoader","getInternalLoader","resetInternalLoader","contextType","destroyInternalLoaders","onManifestLoading","load","MANIFEST","responseType","onLevelLoading","LEVEL","onAudioTrackLoading","onSubtitleTrackLoading","loaderContext","abort","maxRetry","timeout","retryDelay","maxRetryDelay","manifestLoadingMaxRetry","manifestLoadingTimeOut","manifestLoadingRetryDelay","manifestLoadingMaxRetryTimeout","levelLoadingTimeOut","levelLoadingMaxRetry","levelLoadingRetryDelay","levelLoadingMaxRetryTimeout","loaderConfig","loaderCallbacks","onSuccess","loadsuccess","onError","loaderror","onTimeout","loadtimeout","networkDetails","isSidxRequest","_handleSidxRequest","_handlePlaylistLoaded","tload","_handleManifestParsingError","_handleTrackOrLevelPlaylist","_handleMasterPlaylist","_handleNetworkError","audioTracks","subtitles","embeddedAudioFound","unshift","levelId","levelType","levelDetails","singleLevel","tparsed","sidxUrl","rangeStart","rangeEnd","sidxInfo","sidxReferences","segmentRef","segRefInfo","NETWORK_ERROR","MANIFEST_PARSING_ERROR","MANIFEST_LOAD_TIMEOUT","MANIFEST_LOAD_ERROR","LEVEL_LOAD_TIMEOUT","LEVEL_LOAD_ERROR","AUDIO_TRACK_LOAD_TIMEOUT","AUDIO_TRACK_LOAD_ERROR","errorData","canHaveLevels","FragmentLoader","loaderName","onFragLoading","FragmentILoader","fLoader","DefaultILoader","loaded","progressData","byteRangeStartOffset","fragLoadingTimeOut","fragLoadingMaxRetryTimeout","onProgress","loadprogress","FRAG_LOAD_ERROR","FRAG_LOAD_TIMEOUT","KeyLoader","decryptkey","decrypturl","onKeyLoading","fragLoadingRetryDelay","KEY_LOAD_ERROR","KEY_LOAD_TIMEOUT","FragmentState","NOT_LOADED","APPENDING","PARTIAL","OK","FragmentTracker","bufferPadding","create","timeRanges","getBufferedFrag","bufferedFrags","fragmentEntity","body","buffered","bufferedFragKey","detectEvictedFragments","elementaryStream","timeRange","fragmentTimes","time","esData","range","isTimeBuffered","removeFragment","detectPartialFragments","fragKey","getFragmentKey","getBufferedTimes","fragmentPartial","partial","getPartialFragment","timePadding","bestFragment","bestOverlap","isPartial","getState","onFragLoaded","bitrateTest","onBufferAppended","onFragBuffered","hasFragment","removeAllFragments","BinarySearch","search","list","comparisonFn","minIndex","maxIndex","currentIndex","currentElement","comparisonResult","BufferHelper","isBuffered","bufferInfo","maxHoleDuration","vbuffered","bufferedInfo","nextStart","diff","buffered2","buf2len","buf2end","bufferLen","bufferStartNext","bufferStart","bufferEnd","getBufferedPosWithinTolerance","maxFragLookUpTolerance","currentTime","getMediaSource","WebKitMediaSource","Observer","Demuxer","mp4","enableWorker","Worker","w","work","require","onwmsg","onWorkerMessage","onerror","filename","lineno","stringify","URL","revokeObjectURL","objectURL","removeEventListener","terminate","removeAllListeners","lastFrag","nextSN","ArrayBuffer","addGroupId","audioGroupIds","textGroupIds","updatePTS","fromIdx","toIdx","fragFrom","fragTo","fragToPTS","updateFragPTSDTS","maxStartPTS","drift","fragIdx","PTSKnown","mergeDetails","oldDetails","newDetails","ccOffset","PTSFrag","mapFragmentIntersection","oldFrag","newFrag","backtracked","newFragments","adjustSliding","mergeSubtitlePlaylists","oldPlaylist","newPlaylist","referenceStart","frags","intersectionFn","oldFragments","computeReloadInterval","currentPlaylist","lastRequestTime","reloadInterval","minReloadInterval","TimeRanges","r","toFixed","findFirstFragWithCC","firstFrag","currentFrag","findFragWithCC","CC","candidate","shouldAlignOnDiscontinuities","lastLevel","shouldAlign","findDiscontinuousReferenceFrag","prevDetails","curDetails","prevFrags","curFrags","prevStartFrag","adjustPts","sliding","alignStream","alignDiscontinuities","alignPDT","referenceFrag","lastDetails","hasProgramDateTime","lastPDT","newPDT","findFragmentByPDT","PDTValue","isArray","startPDT","endPDT","seg","pdtWithinToleranceTest","findFragmentByPTS","fragPrevious","fragNext","fragmentWithinToleranceTest","candidateLookupTolerance","pdtBufferEnd","STALL_MINIMUM_DURATION_MS","MAX_START_GAP_JUMP","SKIP_BUFFER_HOLE_STEP_SECONDS","SKIP_BUFFER_RANGE_START","GapController","fragmentTracker","nudgeRetry","stallReported","stalled","moved","seeking","poll","lastCurrentTime","seeked","beginSeek","stalledDuration","seekWithinTolerance","seekWithinToleranceIfNeeded","paused","ended","playbackRate","hasEnoughBuffer","noBufferGap","startJump","_trySkipBufferHole","tnow","_reportStall","bufferedWithHoles","_tryFixBufferStall","bufferedPosWithinTolerance","stalledDurationMs","targetTime","highBufferWatchdogPeriod","_tryNudgeBuffer","BUFFER_STALLED_ERROR","lastEndTime","BUFFER_SEEK_OVER_HOLE","nudgeMaxRetry","nudgeOffset","BUFFER_NUDGE_ON_STALL","TaskLoop","_boundTick","_tickTimer","_tickInterval","_tickCallCount","tick","clearNextTick","clearInterval","hasInterval","hasNextTick","setInterval","millis","clearTimeout","doTick","setTimeout","State","STOPPED","STARTING","IDLE","PAUSED","FRAG_LOADING_WAITING_RETRY","WAITING_TRACK","PARSING","PARSED","ENDED","WAITING_INIT_PTS","WAITING_LEVEL","BaseStreamController","startLoad","stopLoad","fragCurrent","_streamEnded","fragState","onMediaSeeking","mediaBuffer","tolerance","fragStartOffset","fragEndOffset","loadedmetadata","nextLoadPosition","startPosition","onMediaEnded","computeLivePosition","targetLatency","liveSyncDuration","liveSyncDurationCount","TICK_INTERVAL","StreamController","audioCodecSwap","_state","gapController","altAudio","fragLoadError","startFragRequested","startLevel","nextLoadLevel","forceStartLoad","_doTickIdle","retryDate","_checkBuffer","_checkFragmentChanged","levelLastLoaded","startFragPrefetch","levelInfo","levelBitrate","maxBufLen","maxBufferSize","maxBufferLength","maxMaxBufferLength","_fetchPayloadOrEos","fragLen","initialLiveManifestSize","_ensureFragmentAtLivePoint","_findFragment","encrypted","_loadKey","_loadFragment","maxLatency","liveMaxLatencyDuration","liveMaxLatencyDurationCount","liveSyncPosition","readyState","targetSN","fragPreviousLoad","fragmentIndexRange","fragNextLoad","lookupTolerance","curSNIdx","sameLevel","prevSnFrag","nextSnFrag","autoLevel","autoLevelEnabled","_reduceMaxBufferLength","followingBufferedFrag","fragPlayingCurrent","fragPlaying","fragPlayingLevel","immediateLevelSwitch","immediateSwitch","previouslyPaused","pause","flushMainBuffer","POSITIVE_INFINITY","immediateLevelSwitchEnd","play","nextLevelSwitch","fetchdelay","nextBufferedFrag","nextLevelId","nextLevel","fragLastKbps","endOffset","flushScope","onMediaAttached","onvseeking","onvseeked","onMediaSeeked","onvended","autoStartLoad","onMediaDetaching","onManifestParsed","aac","heaac","audioCodecSwitch","onLevelLoaded","newLevelId","curLevel","LevelHelper","onKeyLoaded","fragLoaded","currentLevel","tbuffered","pendingBuffering","appended","initSegmentData","_getAudioCodec","onFragParsingInitSegment","fragNew","trackName","ua","levelCodec","parent","content","onFragParsingData","onFragParsed","_checkAppendedParsed","onAudioTrackSwitching","onAudioTrackSwitched","videoBuffer","onBufferCreated","mediaTrack","alternate","pending","total","tfirst","mediaBuffered","fragLoadingMaxRetry","delay","levelRetry","BUFFER_FULL_ERROR","minLength","_seekToStartPos","onFragLoadEmergencyAborted","onBufferFlushed","swapAudioCodec","defaultAudioCodec","nextState","previousState","_liveSyncPosition","chromeOrFirefox","LevelController","canload","currentLevelIndex","manualLevelIndex","timer","clearTimer","_levels","levelRetryCount","loadError","loadLevel","onManifestLoaded","bitrateStart","levelSet","levelFromSet","videoCodecFound","audioCodecFound","attributes","fragmentError","SUBTITLES","_firstLevel","firstLevel","some","MANIFEST_INCOMPATIBLE_CODECS_ERROR","setLevelInternal","newLevel","levelProperties","LEVEL_SWITCH_ERROR","levelError","levelIndex","recoverLevel","errorEvent","errorDetails","redundantLevels","nextAutoLevel","trequest","audioGroupId","levelObject","_startLevel","configStartLevel","sendAddTrackEvent","videoEl","document","createEvent","initEvent","dispatchEvent","clearCurrentCues","cues","removeCue","getClosestCue","left","right","mid","ID3TrackController","getID3Track","textTracks","kind","label","addTextTrack","onLiveBackBufferReached","foundCue","removeCues","cue","onFragParsingMetadata","mode","Cue","WebKitDataCue","VTTCue","TextTrackCue","addCue","isSupported","mediaSource","sourceBuffer","SourceBuffer","WebKitSourceBuffer","sourceBufferValidAPI","appendBuffer","remove","EWMA","halfLife","alpha_","estimate_","totalWeight_","exp","weight","adjAlpha","getTotalWeight","getEstimate","zeroFactor","EwmaBandWidthEstimator","slow","fast","defaultEstimate","defaultEstimate_","minWeight_","minDelayMs_","slow_","fast_","durationMs","numBytes","numBits","durationS","bandwidthInBps","canEstimate","AbrController","lastLoadedFragLevel","_nextAutoLevel","_bwEstimator","onCheck","_abandonRulesCheck","isLive","ewmaFast","ewmaSlow","abrEwmaFastLive","abrEwmaSlowLive","abrEwmaFastVoD","abrEwmaSlowVoD","abrEwmaDefaultEstimate","minAutoLevel","aborted","requestDelay","loadRate","bw","realBitrate","expectedLen","fragLoadedDelay","bufferStarvationDelay","fragLevelNextLoadedDelay","levelNextBitrate","abrMaxWithRealBitrate","loadedBytes","loadedDuration","fragLoadingProcessingMs","bwEstimate","bitrateTestDelay","_findBestLevel","currentFragDuration","currentBw","maxAutoLevel","maxFetchDuration","bwFactor","bwUpFactor","avgDuration","adjustedbw","fetchDuration","forcedAutoLevel","bwEstimator","nextABRAutoLevel","_nextABRAutoLevel","avgbw","bestLevel","abrBandWidthFactor","abrBandWidthUpFactor","maxStarvationDelay","maxLoadingDelay","BufferController","Events","_msDuration","_levelDuration","_levelTargetDuration","_live","_objectUrl","_needsFlush","_needsEos","audioTimestampOffset","bufferCodecEventsExpected","_bufferCodecEventsTotal","segments","appending","appendError","flushBufferCounter","pendingTracks","flushRange","_onMediaSourceOpen","checkPendingTracks","_onMediaSourceClose","_onMediaSourceEnded","_onSBUpdateEnd","audioBuffer","timestampOffset","doFlush","checkEos","counter","segment","sbSet","sb","doAppending","updateMediaElementDuration","flushLiveBackBuffer","_onSBUpdateError","BUFFER_APPENDING_ERROR","onLevelPtsUpdated","updating","onMediaAttaching","ms","src","createObjectURL","endOfStream","removeAttribute","pendingTracksCount","createSourceBuffers","onBufferReset","removeSourceBuffer","onBufferCodecs","mimeType","addSourceBuffer","BUFFER_ADD_CODEC_ERROR","onBufferAppending","onBufferEos","onBufferFlushing","liveBackBufferLength","bufferTypes","targetBackBufferPosition","bufferType","removeBufferRange","onLevelUpdated","liveDurationInfinity","flushBuffer","code","BUFFER_APPEND_ERROR","appendErrorMaxRetry","sbType","bufStart","bufEnd","removeStart","removeEnd","CapLevelController","autoLevelCapping","restrictedLevels","capLevelToPlayerSize","stopCapping","onFpsDropLevelCapping","isLevelAllowed","droppedLevel","HTMLVideoElement","startCapping","onLevelsUpdated","detectPlayerSize","levelsLength","getMaxLevel","streamController","capLevelIndex","validLevels","getMaxLevelByMediaSize","mediaWidth","mediaHeight","atGreatestBandiwdth","maxLevelIndex","clientWidth","offsetWidth","contentScaleFactor","clientHeight","offsetHeight","devicePixelRatio","FPSController","isVideoPlaybackQualityAvailable","capLevelOnFPSDrop","getVideoPlaybackQuality","checkFPSInterval","fpsDroppedMonitoringPeriod","checkFPS","decodedFrames","droppedFrames","lastTime","currentPeriod","currentDropped","lastDroppedFrames","currentDecoded","lastDecodedFrames","droppedFPS","totalDroppedFrames","fpsDroppedMonitoringThreshold","videoPlaybackQuality","totalVideoFrames","droppedVideoFrames","webkitDecodedFrameCount","webkitDroppedFrameCount","XMLHttpRequest","XhrLoader","xhrSetup","requestTimeout","retryTimeout","callbacks","retry","loadInternal","xhr","open","status","setRequestHeader","onreadystatechange","readystatechange","onprogress","send","currentTarget","responseText","responseURL","statusText","lengthComputable","AudioTrackController","_trackId","_selectDefaultTrack","trackIdBlacklist","_selectAudioGroup","onAudioTrackLoaded","updatePeriodMs","_handleLoadError","_setAudioTrack","newId","_loadTrackDetailsIfNeeded","_updateTrack","_selectInitialAudioTrack","currentAudioTrack","defaultTracks","trackFound","traverseTracks","_needsTrackLoading","previousId","language","newTrack","AudioStreamController","waitingFragment","videoTrackCC","onInitPtsFound","demuxerId","trackDetails","mainBufferInfo","maxConfigBuffer","audioSwitch","loadIdx","fragLoadIdx","nextBuffered","foundFrag","isSeeking","waitingFrag","waitingFragCC","onAudioTracksUpdated","appendObj","pendingData","appendOnBufferFlush","autoKeyword","directionSetting","lr","rl","alignSetting","middle","findDirectionSetting","dir","findAlignSetting","align","extend","obj","cobj","p","baseObj","enumerable","hasBeenReset","_id","_pauseOnExit","_startTime","_endTime","_text","_region","_vertical","_snapToLines","_line","_lineAlign","_position","_positionAlign","_size","_align","defineProperty","get","TypeError","setting","SyntaxError","displayState","getCueAsHTML","WebVTT","convertCueToDOMTree","StringDecoder","decodeURIComponent","encodeURIComponent","VTTParser","regionList","parseTimeStamp","computeSeconds","m","s","f","Settings","values","k","v","dflt","defaultKey","has","alt","n","integer","percent","parseOptions","keyValueDelim","groupDelim","kv","defaults","center","parseCue","oInput","consumeTimeStamp","ts","consumeCueSettings","settings","region","vals","vals0","vertical","line","lineAlign","snapToLines","skipWhitespace","fixLineBreaks","collectNextLine","alreadyCollectedLine","hasSubstring","oncue","flush","onflush","newCue","captionScreen","row","indenting","indent","rows","isEmpty","chars","uchar","cueStartTime","trim","specialCea608CharsCodes","getCharForByte","byte","charCode","NR_ROWS","NR_COLS","rowsLowCh1","rowsHighCh1","rowsLowCh2","rowsHighCh2","backgroundColors","VerboseFilter","verboseFilter","verboseLevel","setTime","newTime","severity","msg","minLevel","numArrayToHexArray","numArray","hexArray","PenState","foreground","underline","italics","background","flash","reset","setStyles","styles","attribs","style","isDefault","equals","other","copy","newPenState","StyledUnicodeChar","penState","setChar","setPenState","newChar","Row","currPenState","equal","empty","setCursor","absPos","moveCursor","relPos","newPos","backSpace","insertChar","char","clearFromPos","startPos","clear","clearToEndOfRow","getTextString","setPenStyles","currChar","CaptionScreen","currRow","nrRollUpRows","lastOutputScreen","setPen","setPAC","pacData","newRow","topRowIndex","prevLineTime","prevPos","color","setBkgData","bkgData","setRollUpRows","nrRows","rollUp","getDisplayText","topRow","asOneRow","displayText","rowNr","rowText","getTextAndFormat","Cea608Channel","channelNumber","outputFilter","chNr","verbose","displayedMemory","nonDisplayedMemory","currRollUpRow","writeScreen","lastCueEndTime","getHandler","setHandler","newHandler","setMode","newMode","insertChars","screen","outputDataUpdate","ccRCL","ccBS","ccAOF","ccAON","ccDER","ccRU","ccFON","ccRDC","ccTR","ccRTD","ccEDM","ccCR","ccENM","ccEOC","ccTO","nrCols","ccMIDROW","colorIndex","colors","dispatch","dispatchCue","cueSplitAtTime","Cea608Parser","field","out1","out2","outputs","channels","currChNr","lastCmdA","lastCmdB","dataCounters","addData","byteList","cmdFound","charsFound","padding","parseCmd","parseMidrow","parsePAC","parseBackgroundAttributes","parseChars","channel","cond1","cond2","case1","case2","interpretPAC","pacIndex","channelNr","charCodes","charCode1","oneCode","hexCodes","OutputFilter","timelineController","addCues","createCaptionsTrack","startsWith","inputString","searchString","cueString2millis","timeString","secs","mins","hours","hash","calculateOffset","vttCCs","presentationTime","currCC","prevCC","new","presentationOffset","WebVTTParser","vttByteArray","syncPTS","callBack","errorCallBack","re","vttLines","cueTime","mpegTs","localTime","parsingError","inHeader","timestampMap","parser","cueOffset","onparsingerror","TimelineController","enabled","Cues","unparsedVttFrags","cueRanges","captionsTracks","captionsProperties","cea608Parser","lastSn","cueHandler","textTrack1","captionsTextTrack1Label","languageCode","captionsTextTrack1LanguageCode","textTrack2","captionsTextTrack2Label","captionsTextTrack2LanguageCode","enableCEA708Captions","channel1","channel2","ranges","merged","cueRange","overlap","intersection","getExistingTrack","existingTrack","createTextTrack","_cleanTracks","enableWebVTT","inUseTracks","inUseTrack","canReuseVttTextTrack","subtitleDisplay","success","decryptData","_parseVTTs","currentTrack","minStartTime","getCueById","textTrackCue","onFragDecrypted","onFragParsingUserdata","ccBytes","ccdatas","extractCea608Data","tmpByte","ccbyte1","ccbyte2","ccValid","ccType","actualCCBytes","manifestTrack","x1","y1","y2","SubtitleTrackController","stopped","queuedDefaultTrack","subtitleTrack","trackChangeListener","_onTextTracksChanged","useTextTrackPolling","subtitlePollingInterval","filterSubtitleTracks","subtitleTracks","onSubtitleTrackLoaded","_clearReloadTimer","_loadCurrentTrack","_toggleTrackModes","oldTrack","nextTrack","_setSubtitleTrackInternal","subtitleTrackId","textTrackList","SubtitleStreamController","tracksBuffered","currentTrackId","lastAVStart","_onMediaSeeking","onSubtitleFragProcessed","fragStart","fragEnd","onSubtitleTracksUpdated","onSubtitleTrackSwitch","_getBuffered","KeySystems","requestMediaKeySystemAccess","MAX_LICENSE_REQUEST_FAILURES","createWidevineMediaKeySystemConfigurations","audioCodecs","videoCodecs","baseConfig","videoCapabilities","contentType","getSupportedMediaKeySystemConfigurations","keySystem","WIDEVINE","EMEController","_widevineLicenseUrl","_licenseXhrSetup","_emeEnabled","_requestMediaKeySystemAccess","_config","_mediaKeysList","_media","_hasSetMediaKeys","_requestLicenseFailureCount","_onMediaEncrypted","initDataType","_attemptSetMediaKeys","_generateRequestWithPreferredKeySession","widevineLicenseUrl","licenseXhrSetup","emeEnabled","requestMediaKeySystemAccessFunc","getLicenseServerUrl","_attemptKeySystemAccess","mediaKeySystemConfigs","mediaKeySystemAccess","_onMediaKeySystemAccessObtained","mediaKeysListItem","mediaKeysSessionInitialized","mediaKeySystemDomain","createMediaKeys","mediaKeys","_onMediaKeysCreated","mediaKeysSession","createSession","_onNewMediaKeySession","keySession","sessionId","_onKeySessionMessage","_requestLicense","update","keysListItem","KEY_SYSTEM_ERROR","KEY_SYSTEM_NO_KEYS","setMediaKeys","KEY_SYSTEM_NO_ACCESS","KEY_SYSTEM_NO_SESSION","KEY_SYSTEM_NO_INIT_DATA","generateRequest","_createLicenseXhr","keyMessage","_onLicenseRequestReadyStageChange","KEY_SYSTEM_LICENSE_REQUEST_FAILED","attemptsLeft","_generateLicenseRequestChallenge","challenge","onMediaDetached","hlsDefaultConfig","lowBufferWatchdogPeriod","abrController","bufferController","capLevelController","fpsController","minAutoBitrate","timelineConfig","subtitleStreamController","__USE_SUBTITLES__","subtitleTrackController","audioStreamController","__USE_ALT_AUDIO__","audioTrackController","emeController","__USE_EME_DRM__","Hls","__VERSION__","defaultConfig","userConfig","_autoLevelCapping","levelController","networkControllers","coreComponents","DefaultConfig","playListLoader","fragmentLoader","keyLoader","id3TrackController","Controller","detachMedia","component","attachMedia","loadSource","location","href","controller","recoverMediaError","manualLevel","shouldStartCapping","newCapLevelToPlayerSize","NaN","audioTrackId","isFiniteNumber","noop","fakeLogger","exportedLogger","formatMsg","consolePrintFn","func","args","exportLoggerFunctions","debugConfig","functions"],"mappings":";AAAA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,CAAC;AACD,O;ACVA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;;;AAGA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,kDAA0C,gCAAgC;AAC1E;AACA;;AAEA;AACA;AACA;AACA,gEAAwD,kBAAkB;AAC1E;AACA,yDAAiD,cAAc;AAC/D;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,iDAAyC,iCAAiC;AAC1E,wHAAgH,mBAAmB,EAAE;AACrI;AACA;;AAEA;AACA;AACA;AACA,mCAA2B,0BAA0B,EAAE;AACvD,yCAAiC,eAAe;AAChD;AACA;AACA;;AAEA;AACA,8DAAsD,+DAA+D;;AAErH;AACA;;;AAGA;AACA;;;;;;;;;;;;;;AClFa;;AAEb;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,WAAW,SAAS;AACpB,WAAW,EAAE;AACb,WAAW,QAAQ;AACnB;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,WAAW,aAAa;AACxB,WAAW,gBAAgB;AAC3B,WAAW,SAAS;AACpB,WAAW,EAAE;AACb,WAAW,QAAQ;AACnB,aAAa;AACb;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,WAAW,aAAa;AACxB,WAAW,gBAAgB;AAC3B;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA,aAAa;AACb;AACA;AACA;AACA;AACA;AACA;;AAEA;;AAEA;AACA;AACA;;AAEA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,aAAa,MAAM;AACnB;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA,yDAAyD,OAAO;AAChE;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,aAAa,OAAO;AACpB;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,aAAa,QAAQ;AACrB;AACA;AACA;AACA;;AAEA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA,yCAAyC,SAAS;AAClD;AACA;;AAEA;AACA,GAAG;AACH;AACA;;AAEA,eAAe,YAAY;AAC3B;;AAEA;AACA,2DAA2D;AAC3D,+DAA+D;AAC/D,mEAAmE;AACnE,uEAAuE;AACvE;AACA,0DAA0D,SAAS;AACnE;AACA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,WAAW,SAAS;AACpB,WAAW,EAAE;AACb,aAAa,aAAa;AAC1B;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,WAAW,SAAS;AACpB,WAAW,EAAE;AACb,aAAa,aAAa;AAC1B;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,WAAW,SAAS;AACpB,WAAW,EAAE;AACb,WAAW,QAAQ;AACnB,aAAa,aAAa;AAC1B;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;;AAEA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,GAAG;AACH,2DAA2D,YAAY;AACvE;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,aAAa,aAAa;AAC1B;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,GAAG;AACH;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,IAAI,IAA6B;AACjC;AACA;;;;;;;;;;;;;AC/UA;;AAEA;AACA,iB;AACA;;AAEA,oFAAoF;AACpF;AACA;AACA;;AAEA,oBAAoB;AACpB;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,sBAAsB;AACtB;AACA;AACA;AACA;AACA,wBAAwB;AACxB;AACA;AACA;AACA;AACA;AACA,WAAW;AACX;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,KAAK;AACL;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,KAAK;AACL;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,sFAAsF;AACtF;AACA,KAAK;AACL;AACA;AACA;AACA;;AAEA;AACA,KAAK,IAAyD;AAC9D;AACA,OAAO,EAK6B;AACpC,CAAC;AACD;;;;;;;;;;;;;AClKA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;;AAEA;AACA,mDAAmD,cAAc;;AAEjE;AACA;AACA;AACA;AACA;AACA;AACA;AACA,eAAe;AACf;AACA;;AAEA;AACA;AACA,0DAA0D,cAAc;AACxE;;AAEA;AACA;AACA;AACA,qCAAqC,0BAA0B,EAAE;AACjE,2CAA2C,eAAe;AAC1D;AACA;AACA;;AAEA;AACA,8DAA8D,+DAA+D;;AAE7H;AACA;;AAEA;AACA,kDAAkD,oBAAoB,WAAW;;AAEjF;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA,6CAA6C;AAC7C;;AAEA;AACA,uBAAuB;AACvB;;AAEA;AACA;AACA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA,0BAA0B,mBAAmB;AAC7C;AACA;AACA;AACA;;AAEA;AACA;AACA,iBAAiB,iBAAiB;AAClC,mBAAmB,4BAA4B;AAC/C;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA;AACA,GAAG;AACH;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA,mBAAmB,mBAAmB;AACtC;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,qBAAqB,2BAA2B;AAChD;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,UAAU,qBAAmB;AAC7B;;AAEA,uCAAuC,kCAAkC;;AAEzE;;AAEA,oDAAoD,sBAAsB;AAC1E;AACA;AACA;AACA;AACA;AACA,qFAAqF,sCAAsC,EAAE;AAC7H,sIAAsI,+CAA+C,yEAAyE,gBAAgB,EAAE;AAChR,GAAG;;AAEH,iHAAiH,4CAA4C,sEAAsE,gBAAgB,SAAS;;AAE5P,qCAAqC,0BAA0B;AAC/D,qBAAqB;;AAErB;;AAEA;AACA;AACA;;AAEA;AACA;;;;;;;;;;;;;;;;;;;;ICzMqBA,S;;;AACnB,qBAAaC,MAAb,EAAqBC,EAArB,EAAyB;AACvB,SAAKD,MAAL,GAAcA,MAAd;AACA,SAAKE,KAAL,GAAaD,EAAb;AACD;;;;SAEDE,O,GAAA,iBAASC,IAAT,EAAeC,GAAf,EAAoB;AAClB,WAAO,KAAKL,MAAL,CAAYG,OAAZ,CAAoB;AAAEG,UAAI,EAAE,SAAR;AAAmBL,QAAE,EAAE,KAAKC;AAA5B,KAApB,EAAyDG,GAAzD,EAA8DD,IAA9D,CAAP;AACD,G;;;;;;;ICRGG,U;;;AACJ,sBAAaP,MAAb,EAAqBK,GAArB,EAA0B;AACxB,SAAKL,MAAL,GAAcA,MAAd;AACA,SAAKK,GAAL,GAAWA,GAAX;AACD;;;;SAEDG,S,GAAA,qBAAa;AACX,WAAO,KAAKR,MAAL,CAAYS,SAAZ,CAAsB,KAAtB,EAA6B,KAAKJ,GAAlC,EAAuC;AAAEC,UAAI,EAAE;AAAR,KAAvC,EAA4D,KAA5D,EAAmE,CAAC,SAAD,EAAY,SAAZ,CAAnE,CAAP;AACD,G;;;;;AAGYC,2DAAf,E;;ACXA;AACO,SAASG,aAAT,CAAwBC,MAAxB,EAAgC;AACrC,MAAMC,WAAW,GAAGD,MAAM,CAACE,UAA3B;AACA,MAAMC,YAAY,GAAGF,WAAW,IAAK,IAAIG,QAAJ,CAAaJ,MAAb,CAAD,CAAuBK,QAAvB,CAAgCJ,WAAW,GAAG,CAA9C,CAApC;;AACA,MAAIE,YAAJ,EAAkB;AAChB,WAAOH,MAAM,CAACM,KAAP,CAAa,CAAb,EAAgBL,WAAW,GAAGE,YAA9B,CAAP;AACD,GAFD,MAEO;AACL,WAAOH,MAAP;AACD;AACF;;IAEKO,Y;;;AACJ,0BAAe;AACb;AACA,SAAKC,IAAL,GAAY,CAAC,GAAD,EAAM,GAAN,EAAW,GAAX,EAAgB,GAAhB,EAAqB,GAArB,EAA0B,IAA1B,EAAgC,IAAhC,EAAsC,IAAtC,EAA4C,IAA5C,EAAkD,IAAlD,EAAwD,IAAxD,CAAZ;AACA,SAAKC,MAAL,GAAc,CAAC,IAAIC,WAAJ,CAAgB,GAAhB,CAAD,EAAuB,IAAIA,WAAJ,CAAgB,GAAhB,CAAvB,EAA6C,IAAIA,WAAJ,CAAgB,GAAhB,CAA7C,EAAmE,IAAIA,WAAJ,CAAgB,GAAhB,CAAnE,CAAd;AACA,SAAKC,SAAL,GAAiB,CAAC,IAAID,WAAJ,CAAgB,GAAhB,CAAD,EAAuB,IAAIA,WAAJ,CAAgB,GAAhB,CAAvB,EAA6C,IAAIA,WAAJ,CAAgB,GAAhB,CAA7C,EAAmE,IAAIA,WAAJ,CAAgB,GAAhB,CAAnE,CAAjB;AACA,SAAKE,IAAL,GAAY,IAAIF,WAAJ,CAAgB,GAAhB,CAAZ;AACA,SAAKG,OAAL,GAAe,IAAIH,WAAJ,CAAgB,GAAhB,CAAf,CANa,CAQb;;AACA,SAAKhB,GAAL,GAAW,IAAIgB,WAAJ,CAAgB,CAAhB,CAAX;AAEA,SAAKI,SAAL;AACD,G,CAED;;;;;SACAC,wB,GAAA,kCAA0BC,WAA1B,EAAuC;AACrC,QAAIC,IAAI,GAAG,IAAIb,QAAJ,CAAaY,WAAb,CAAX;AACA,QAAIE,QAAQ,GAAG,IAAIR,WAAJ,CAAgB,CAAhB,CAAf;;AACA,SAAK,IAAIS,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG,CAApB,EAAuBA,CAAC,EAAxB,EAA4B;AAC1BD,cAAQ,CAACC,CAAD,CAAR,GAAcF,IAAI,CAACG,SAAL,CAAeD,CAAC,GAAG,CAAnB,CAAd;AACD;;AAED,WAAOD,QAAP;AACD,G;;SAEDJ,S,GAAA,qBAAa;AACX,QAAIF,IAAI,GAAG,KAAKA,IAAhB;AACA,QAAIC,OAAO,GAAG,KAAKA,OAAnB;AACA,QAAIJ,MAAM,GAAG,KAAKA,MAAlB;AACA,QAAIY,OAAO,GAAGZ,MAAM,CAAC,CAAD,CAApB;AACA,QAAIa,OAAO,GAAGb,MAAM,CAAC,CAAD,CAApB;AACA,QAAIc,OAAO,GAAGd,MAAM,CAAC,CAAD,CAApB;AACA,QAAIe,OAAO,GAAGf,MAAM,CAAC,CAAD,CAApB;AACA,QAAIE,SAAS,GAAG,KAAKA,SAArB;AACA,QAAIc,UAAU,GAAGd,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIe,UAAU,GAAGf,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIgB,UAAU,GAAGhB,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIiB,UAAU,GAAGjB,SAAS,CAAC,CAAD,CAA1B;AAEA,QAAIkB,CAAC,GAAG,IAAInB,WAAJ,CAAgB,GAAhB,CAAR;AACA,QAAIoB,CAAC,GAAG,CAAR;AACA,QAAIC,EAAE,GAAG,CAAT;AACA,QAAIZ,CAAC,GAAG,CAAR;;AACA,SAAKA,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG,GAAhB,EAAqBA,CAAC,EAAtB,EAA0B;AACxB,UAAIA,CAAC,GAAG,GAAR,EAAa;AACXU,SAAC,CAACV,CAAD,CAAD,GAAOA,CAAC,IAAI,CAAZ;AACD,OAFD,MAEO;AACLU,SAAC,CAACV,CAAD,CAAD,GAAQA,CAAC,IAAI,CAAN,GAAW,KAAlB;AACD;AACF;;AAED,SAAKA,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG,GAAhB,EAAqBA,CAAC,EAAtB,EAA0B;AACxB,UAAIa,EAAE,GAAGD,EAAE,GAAIA,EAAE,IAAI,CAAZ,GAAkBA,EAAE,IAAI,CAAxB,GAA8BA,EAAE,IAAI,CAApC,GAA0CA,EAAE,IAAI,CAAzD;AACAC,QAAE,GAAIA,EAAE,KAAK,CAAR,GAAcA,EAAE,GAAG,IAAnB,GAA2B,IAAhC;AACApB,UAAI,CAACkB,CAAD,CAAJ,GAAUE,EAAV;AACAnB,aAAO,CAACmB,EAAD,CAAP,GAAcF,CAAd,CAJwB,CAMxB;;AACA,UAAIG,EAAE,GAAGJ,CAAC,CAACC,CAAD,CAAV;AACA,UAAII,EAAE,GAAGL,CAAC,CAACI,EAAD,CAAV;AACA,UAAIE,EAAE,GAAGN,CAAC,CAACK,EAAD,CAAV,CATwB,CAWxB;;AACA,UAAIE,CAAC,GAAIP,CAAC,CAACG,EAAD,CAAD,GAAQ,KAAT,GAAmBA,EAAE,GAAG,SAAhC;AACAX,aAAO,CAACS,CAAD,CAAP,GAAcM,CAAC,IAAI,EAAN,GAAaA,CAAC,KAAK,CAAhC;AACAd,aAAO,CAACQ,CAAD,CAAP,GAAcM,CAAC,IAAI,EAAN,GAAaA,CAAC,KAAK,EAAhC;AACAb,aAAO,CAACO,CAAD,CAAP,GAAcM,CAAC,IAAI,CAAN,GAAYA,CAAC,KAAK,EAA/B;AACAZ,aAAO,CAACM,CAAD,CAAP,GAAaM,CAAb,CAhBwB,CAkBxB;;AACAA,OAAC,GAAID,EAAE,GAAG,SAAN,GAAoBD,EAAE,GAAG,OAAzB,GAAqCD,EAAE,GAAG,KAA1C,GAAoDH,CAAC,GAAG,SAA5D;AACAL,gBAAU,CAACO,EAAD,CAAV,GAAkBI,CAAC,IAAI,EAAN,GAAaA,CAAC,KAAK,CAApC;AACAV,gBAAU,CAACM,EAAD,CAAV,GAAkBI,CAAC,IAAI,EAAN,GAAaA,CAAC,KAAK,EAApC;AACAT,gBAAU,CAACK,EAAD,CAAV,GAAkBI,CAAC,IAAI,CAAN,GAAYA,CAAC,KAAK,EAAnC;AACAR,gBAAU,CAACI,EAAD,CAAV,GAAiBI,CAAjB,CAvBwB,CAyBxB;;AACA,UAAI,CAACN,CAAL,EAAQ;AACNA,SAAC,GAAGC,EAAE,GAAG,CAAT;AACD,OAFD,MAEO;AACLD,SAAC,GAAGG,EAAE,GAAGJ,CAAC,CAACA,CAAC,CAACA,CAAC,CAACM,EAAE,GAAGF,EAAN,CAAF,CAAF,CAAV;AACAF,UAAE,IAAIF,CAAC,CAACA,CAAC,CAACE,EAAD,CAAF,CAAP;AACD;AACF;AACF,G;;SAEDlC,S,GAAA,mBAAWwC,SAAX,EAAsB;AACpB;AACA,QAAI3C,GAAG,GAAG,KAAKqB,wBAAL,CAA8BsB,SAA9B,CAAV;AACA,QAAIC,OAAO,GAAG,IAAd;AACA,QAAIC,MAAM,GAAG,CAAb;;AAEA,WAAOA,MAAM,GAAG7C,GAAG,CAAC8C,MAAb,IAAuBF,OAA9B,EAAuC;AACrCA,aAAO,GAAI5C,GAAG,CAAC6C,MAAD,CAAH,KAAgB,KAAK7C,GAAL,CAAS6C,MAAT,CAA3B;AACAA,YAAM;AACP;;AAED,QAAID,OAAJ,EAAa;AACX;AACD;;AAED,SAAK5C,GAAL,GAAWA,GAAX;AACA,QAAI+C,OAAO,GAAG,KAAKA,OAAL,GAAe/C,GAAG,CAAC8C,MAAjC;;AAEA,QAAIC,OAAO,KAAK,CAAZ,IAAiBA,OAAO,KAAK,CAA7B,IAAkCA,OAAO,KAAK,CAAlD,EAAqD;AACnD,YAAM,IAAIC,KAAJ,CAAU,0BAA0BD,OAApC,CAAN;AACD;;AAED,QAAIE,MAAM,GAAG,KAAKA,MAAL,GAAc,CAACF,OAAO,GAAG,CAAV,GAAc,CAAf,IAAoB,CAA/C;AACA,QAAIG,KAAJ;AACA,QAAIC,QAAJ;AAEA,QAAIC,WAAW,GAAG,KAAKA,WAAL,GAAmB,IAAIpC,WAAJ,CAAgBiC,MAAhB,CAArC;AACA,QAAII,cAAc,GAAG,KAAKA,cAAL,GAAsB,IAAIrC,WAAJ,CAAgBiC,MAAhB,CAA3C;AACA,QAAIK,IAAI,GAAG,KAAKpC,IAAhB;AACA,QAAIJ,IAAI,GAAG,KAAKA,IAAhB;AAEA,QAAIG,SAAS,GAAG,KAAKA,SAArB;AACA,QAAIc,UAAU,GAAGd,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIe,UAAU,GAAGf,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIgB,UAAU,GAAGhB,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIiB,UAAU,GAAGjB,SAAS,CAAC,CAAD,CAA1B;AAEA,QAAIsC,IAAJ;AACA,QAAIb,CAAJ;;AAEA,SAAKQ,KAAK,GAAG,CAAb,EAAgBA,KAAK,GAAGD,MAAxB,EAAgCC,KAAK,EAArC,EAAyC;AACvC,UAAIA,KAAK,GAAGH,OAAZ,EAAqB;AACnBQ,YAAI,GAAGH,WAAW,CAACF,KAAD,CAAX,GAAqBlD,GAAG,CAACkD,KAAD,CAA/B;AACA;AACD;;AACDR,OAAC,GAAGa,IAAJ;;AAEA,UAAIL,KAAK,GAAGH,OAAR,KAAoB,CAAxB,EAA2B;AACzB;AACAL,SAAC,GAAIA,CAAC,IAAI,CAAN,GAAYA,CAAC,KAAK,EAAtB,CAFyB,CAIzB;;AACAA,SAAC,GAAIY,IAAI,CAACZ,CAAC,KAAK,EAAP,CAAJ,IAAkB,EAAnB,GAA0BY,IAAI,CAAEZ,CAAC,KAAK,EAAP,GAAa,IAAd,CAAJ,IAA2B,EAArD,GAA4DY,IAAI,CAAEZ,CAAC,KAAK,CAAP,GAAY,IAAb,CAAJ,IAA0B,CAAtF,GAA2FY,IAAI,CAACZ,CAAC,GAAG,IAAL,CAAnG,CALyB,CAOzB;;AACAA,SAAC,IAAI5B,IAAI,CAAEoC,KAAK,GAAGH,OAAT,GAAoB,CAArB,CAAJ,IAA+B,EAApC;AACD,OATD,MASO,IAAIA,OAAO,GAAG,CAAV,IAAeG,KAAK,GAAGH,OAAR,KAAoB,CAAvC,EAA0C;AAC/C;AACAL,SAAC,GAAIY,IAAI,CAACZ,CAAC,KAAK,EAAP,CAAJ,IAAkB,EAAnB,GAA0BY,IAAI,CAAEZ,CAAC,KAAK,EAAP,GAAa,IAAd,CAAJ,IAA2B,EAArD,GAA4DY,IAAI,CAAEZ,CAAC,KAAK,CAAP,GAAY,IAAb,CAAJ,IAA0B,CAAtF,GAA2FY,IAAI,CAACZ,CAAC,GAAG,IAAL,CAAnG;AACD;;AAEDU,iBAAW,CAACF,KAAD,CAAX,GAAqBK,IAAI,GAAG,CAACH,WAAW,CAACF,KAAK,GAAGH,OAAT,CAAX,GAA+BL,CAAhC,MAAuC,CAAnE;AACD;;AAED,SAAKS,QAAQ,GAAG,CAAhB,EAAmBA,QAAQ,GAAGF,MAA9B,EAAsCE,QAAQ,EAA9C,EAAkD;AAChDD,WAAK,GAAGD,MAAM,GAAGE,QAAjB;;AACA,UAAIA,QAAQ,GAAG,CAAf,EAAkB;AAChBT,SAAC,GAAGU,WAAW,CAACF,KAAD,CAAf;AACD,OAFD,MAEO;AACLR,SAAC,GAAGU,WAAW,CAACF,KAAK,GAAG,CAAT,CAAf;AACD;;AAED,UAAIC,QAAQ,GAAG,CAAX,IAAgBD,KAAK,IAAI,CAA7B,EAAgC;AAC9BG,sBAAc,CAACF,QAAD,CAAd,GAA2BT,CAA3B;AACD,OAFD,MAEO;AACLW,sBAAc,CAACF,QAAD,CAAd,GAA2BpB,UAAU,CAACuB,IAAI,CAACZ,CAAC,KAAK,EAAP,CAAL,CAAV,GAA6BV,UAAU,CAACsB,IAAI,CAAEZ,CAAC,KAAK,EAAP,GAAa,IAAd,CAAL,CAAvC,GAAmET,UAAU,CAACqB,IAAI,CAAEZ,CAAC,KAAK,CAAP,GAAY,IAAb,CAAL,CAA7E,GAAwGR,UAAU,CAACoB,IAAI,CAACZ,CAAC,GAAG,IAAL,CAAL,CAA7I;AACD;;AAEDW,oBAAc,CAACF,QAAD,CAAd,GAA2BE,cAAc,CAACF,QAAD,CAAd,KAA6B,CAAxD;AACD;AACF,G,CAED;;;SACAK,sB,GAAA,gCAAwBC,IAAxB,EAA8B;AAC5B,WAAQA,IAAI,IAAI,EAAT,GAAgB,CAACA,IAAI,GAAG,MAAR,KAAmB,CAAnC,GAAyC,CAACA,IAAI,GAAG,QAAR,KAAqB,CAA9D,GAAoEA,IAAI,KAAK,EAApF;AACD,G;;SAED3D,O,GAAA,iBAAS4D,gBAAT,EAA2Bb,MAA3B,EAAmChD,KAAnC,EAA0C8D,kBAA1C,EAA8D;AAC5D,QAAIC,OAAO,GAAG,KAAKb,OAAL,GAAe,CAA7B;AACA,QAAIM,cAAc,GAAG,KAAKA,cAA1B;AACA,QAAIQ,OAAO,GAAG,KAAK1C,OAAnB;AAEA,QAAIF,SAAS,GAAG,KAAKA,SAArB;AACA,QAAIc,UAAU,GAAGd,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIe,UAAU,GAAGf,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIgB,UAAU,GAAGhB,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIiB,UAAU,GAAGjB,SAAS,CAAC,CAAD,CAA1B;AAEA,QAAI6C,UAAU,GAAG,KAAKzC,wBAAL,CAA8BxB,KAA9B,CAAjB;AACA,QAAIkE,WAAW,GAAGD,UAAU,CAAC,CAAD,CAA5B;AACA,QAAIE,WAAW,GAAGF,UAAU,CAAC,CAAD,CAA5B;AACA,QAAIG,WAAW,GAAGH,UAAU,CAAC,CAAD,CAA5B;AACA,QAAII,WAAW,GAAGJ,UAAU,CAAC,CAAD,CAA5B;AAEA,QAAIK,UAAU,GAAG,IAAIC,UAAJ,CAAeV,gBAAf,CAAjB;AACA,QAAIW,WAAW,GAAG,IAAID,UAAJ,CAAeD,UAAU,CAACrB,MAA1B,CAAlB;AAEA,QAAIwB,EAAJ,EAAQC,EAAR,EAAYC,EAAZ,EAAgBC,EAAhB;AACA,QAAIC,EAAJ,EAAQC,EAAR,EAAYC,EAAZ,EAAgBC,EAAhB;AACA,QAAIC,WAAJ,EAAiBC,WAAjB,EAA8BC,WAA9B,EAA2CC,WAA3C;AAEA,QAAI/B,KAAJ,EAAWzB,CAAX;AACA,QAAIyD,QAAQ,GAAG,KAAK1B,sBAApB;;AAEA,WAAOX,MAAM,GAAGsB,UAAU,CAACrB,MAA3B,EAAmC;AACjCgC,iBAAW,GAAGI,QAAQ,CAACf,UAAU,CAACtB,MAAD,CAAX,CAAtB;AACAkC,iBAAW,GAAGG,QAAQ,CAACf,UAAU,CAACtB,MAAM,GAAG,CAAV,CAAX,CAAtB;AACAmC,iBAAW,GAAGE,QAAQ,CAACf,UAAU,CAACtB,MAAM,GAAG,CAAV,CAAX,CAAtB;AACAoC,iBAAW,GAAGC,QAAQ,CAACf,UAAU,CAACtB,MAAM,GAAG,CAAV,CAAX,CAAtB;AAEA6B,QAAE,GAAGI,WAAW,GAAGzB,cAAc,CAAC,CAAD,CAAjC;AACAsB,QAAE,GAAGM,WAAW,GAAG5B,cAAc,CAAC,CAAD,CAAjC;AACAuB,QAAE,GAAGI,WAAW,GAAG3B,cAAc,CAAC,CAAD,CAAjC;AACAwB,QAAE,GAAGE,WAAW,GAAG1B,cAAc,CAAC,CAAD,CAAjC;AAEAH,WAAK,GAAG,CAAR,CAXiC,CAajC;;AACA,WAAKzB,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGmC,OAAhB,EAAyBnC,CAAC,EAA1B,EAA8B;AAC5B6C,UAAE,GAAGvC,UAAU,CAAC2C,EAAE,KAAK,EAAR,CAAV,GAAwB1C,UAAU,CAAE2C,EAAE,IAAI,EAAP,GAAa,IAAd,CAAlC,GAAwD1C,UAAU,CAAE2C,EAAE,IAAI,CAAP,GAAY,IAAb,CAAlE,GAAuF1C,UAAU,CAAC2C,EAAE,GAAG,IAAN,CAAjG,GAA+GxB,cAAc,CAACH,KAAD,CAAlI;AACAqB,UAAE,GAAGxC,UAAU,CAAC4C,EAAE,KAAK,EAAR,CAAV,GAAwB3C,UAAU,CAAE4C,EAAE,IAAI,EAAP,GAAa,IAAd,CAAlC,GAAwD3C,UAAU,CAAE4C,EAAE,IAAI,CAAP,GAAY,IAAb,CAAlE,GAAuF3C,UAAU,CAACwC,EAAE,GAAG,IAAN,CAAjG,GAA+GrB,cAAc,CAACH,KAAK,GAAG,CAAT,CAAlI;AACAsB,UAAE,GAAGzC,UAAU,CAAC6C,EAAE,KAAK,EAAR,CAAV,GAAwB5C,UAAU,CAAE6C,EAAE,IAAI,EAAP,GAAa,IAAd,CAAlC,GAAwD5C,UAAU,CAAEyC,EAAE,IAAI,CAAP,GAAY,IAAb,CAAlE,GAAuFxC,UAAU,CAACyC,EAAE,GAAG,IAAN,CAAjG,GAA+GtB,cAAc,CAACH,KAAK,GAAG,CAAT,CAAlI;AACAuB,UAAE,GAAG1C,UAAU,CAAC8C,EAAE,KAAK,EAAR,CAAV,GAAwB7C,UAAU,CAAE0C,EAAE,IAAI,EAAP,GAAa,IAAd,CAAlC,GAAwDzC,UAAU,CAAE0C,EAAE,IAAI,CAAP,GAAY,IAAb,CAAlE,GAAuFzC,UAAU,CAAC0C,EAAE,GAAG,IAAN,CAAjG,GAA+GvB,cAAc,CAACH,KAAK,GAAG,CAAT,CAAlI,CAJ4B,CAK5B;;AACAwB,UAAE,GAAGJ,EAAL;AACAK,UAAE,GAAGJ,EAAL;AACAK,UAAE,GAAGJ,EAAL;AACAK,UAAE,GAAGJ,EAAL;AAEAvB,aAAK,GAAGA,KAAK,GAAG,CAAhB;AACD,OA1BgC,CA4BjC;;;AACAoB,QAAE,GAAKT,OAAO,CAACa,EAAE,KAAK,EAAR,CAAP,IAAsB,EAAvB,GAA8Bb,OAAO,CAAEc,EAAE,IAAI,EAAP,GAAa,IAAd,CAAP,IAA8B,EAA5D,GAAmEd,OAAO,CAAEe,EAAE,IAAI,CAAP,GAAY,IAAb,CAAP,IAA6B,CAAhG,GAAqGf,OAAO,CAACgB,EAAE,GAAG,IAAN,CAA7G,GAA4HxB,cAAc,CAACH,KAAD,CAA/I;AACAqB,QAAE,GAAKV,OAAO,CAACc,EAAE,KAAK,EAAR,CAAP,IAAsB,EAAvB,GAA8Bd,OAAO,CAAEe,EAAE,IAAI,EAAP,GAAa,IAAd,CAAP,IAA8B,EAA5D,GAAmEf,OAAO,CAAEgB,EAAE,IAAI,CAAP,GAAY,IAAb,CAAP,IAA6B,CAAhG,GAAqGhB,OAAO,CAACa,EAAE,GAAG,IAAN,CAA7G,GAA4HrB,cAAc,CAACH,KAAK,GAAG,CAAT,CAA/I;AACAsB,QAAE,GAAKX,OAAO,CAACe,EAAE,KAAK,EAAR,CAAP,IAAsB,EAAvB,GAA8Bf,OAAO,CAAEgB,EAAE,IAAI,EAAP,GAAa,IAAd,CAAP,IAA8B,EAA5D,GAAmEhB,OAAO,CAAEa,EAAE,IAAI,CAAP,GAAY,IAAb,CAAP,IAA6B,CAAhG,GAAqGb,OAAO,CAACc,EAAE,GAAG,IAAN,CAA7G,GAA4HtB,cAAc,CAACH,KAAK,GAAG,CAAT,CAA/I;AACAuB,QAAE,GAAKZ,OAAO,CAACgB,EAAE,KAAK,EAAR,CAAP,IAAsB,EAAvB,GAA8BhB,OAAO,CAAEa,EAAE,IAAI,EAAP,GAAa,IAAd,CAAP,IAA8B,EAA5D,GAAmEb,OAAO,CAAEc,EAAE,IAAI,CAAP,GAAY,IAAb,CAAP,IAA6B,CAAhG,GAAqGd,OAAO,CAACe,EAAE,GAAG,IAAN,CAA7G,GAA4HvB,cAAc,CAACH,KAAK,GAAG,CAAT,CAA/I;AACAA,WAAK,GAAGA,KAAK,GAAG,CAAhB,CAjCiC,CAmCjC;;AACAmB,iBAAW,CAACxB,MAAD,CAAX,GAAsBqC,QAAQ,CAACZ,EAAE,GAAGP,WAAN,CAA9B;AACAM,iBAAW,CAACxB,MAAM,GAAG,CAAV,CAAX,GAA0BqC,QAAQ,CAACT,EAAE,GAAGT,WAAN,CAAlC;AACAK,iBAAW,CAACxB,MAAM,GAAG,CAAV,CAAX,GAA0BqC,QAAQ,CAACV,EAAE,GAAGP,WAAN,CAAlC;AACAI,iBAAW,CAACxB,MAAM,GAAG,CAAV,CAAX,GAA0BqC,QAAQ,CAACX,EAAE,GAAGL,WAAN,CAAlC,CAvCiC,CAyCjC;;AACAH,iBAAW,GAAGe,WAAd;AACAd,iBAAW,GAAGe,WAAd;AACAd,iBAAW,GAAGe,WAAd;AACAd,iBAAW,GAAGe,WAAd;AAEApC,YAAM,GAAGA,MAAM,GAAG,CAAlB;AACD;;AAED,WAAOc,kBAAkB,GAAGtD,aAAa,CAACgE,WAAW,CAAC/D,MAAb,CAAhB,GAAuC+D,WAAW,CAAC/D,MAA5E;AACD,G;;SAED6E,O,GAAA,mBAAW;AACT,SAAKnF,GAAL,GAAWoF,SAAX;AACA,SAAKrC,OAAL,GAAeqC,SAAf;AACA,SAAKnC,MAAL,GAAcmC,SAAd;AAEA,SAAKlE,IAAL,GAAYkE,SAAZ;AACA,SAAKjE,OAAL,GAAeiE,SAAf;AACA,SAAKrE,MAAL,GAAcqE,SAAd;AACA,SAAKnE,SAAL,GAAiBmE,SAAjB;AACA,SAAKhC,WAAL,GAAmBgC,SAAnB;AACA,SAAK/B,cAAL,GAAsB+B,SAAtB;AAEA,SAAKtE,IAAL,GAAYsE,SAAZ;AACD,G;;;;;AAGYvE,8DAAf,E;;;;;;;;;;;;;;ACzRA;AACA;AACA;AAEA;AACA;AAEA;CAIA;;AACA,IAAMwE,MAAM,GAAGC,sCAAY,EAA3B,C,CAA+B;;IAEzBC,mB;;;AACJ,qBAAaC,QAAb,EAAuBC,MAAvB,SAAmE;AAAA,kCAAJ,EAAI;AAAA,qCAAlC9B,kBAAkC;AAAA,QAAlCA,kBAAkC,sCAAb,IAAa;;AACjE,SAAK+B,UAAL,GAAkB,IAAlB;AACA,SAAKF,QAAL,GAAgBA,QAAhB;AACA,SAAKC,MAAL,GAAcA,MAAd;AACA,SAAK9B,kBAAL,GAA0BA,kBAA1B,CAJiE,CAKjE;;AACA,QAAIA,kBAAJ,EAAwB;AACtB,UAAI;AACF,YAAMgC,aAAa,GAAGN,MAAM,CAACO,MAA7B;;AACA,YAAID,aAAJ,EAAmB;AACjB,eAAKhG,MAAL,GAAcgG,aAAa,CAAChG,MAAd,IAAwBgG,aAAa,CAACE,YAApD;AACD;AACF,OALD,CAKE,OAAOC,CAAP,EAAU,CAAE;AACf;;AACD,SAAKC,gBAAL,GAAwB,CAAC,KAAKpG,MAA9B;AACD;;;;SAEDqG,M,GAAA,kBAAU;AACR,WAAQ,KAAKD,gBAAL,IAAyB,KAAKN,MAAL,CAAYQ,iBAA7C;AACD,G;;SAEDnG,O,GAAA,iBAASC,IAAT,EAAeC,GAAf,EAAoBJ,EAApB,EAAwBsG,QAAxB,EAAkC;AAAA;;AAChC,QAAI,KAAKH,gBAAL,IAAyB,KAAKN,MAAL,CAAYQ,iBAAzC,EAA4D;AAC1D,UAAI,KAAKP,UAAT,EAAqB;AACnBS,wBAAM,CAACC,GAAP,CAAW,gBAAX;AACA,aAAKV,UAAL,GAAkB,KAAlB;AACD;;AACD,UAAIW,SAAS,GAAG,KAAKA,SAArB;;AACA,UAAI,CAACA,SAAL,EAAgB;AACd,aAAKA,SAAL,GAAiBA,SAAS,GAAG,IAAIxF,aAAJ,EAA7B;AACD;;AAEDwF,eAAS,CAAClG,SAAV,CAAoBH,GAApB;AACAkG,cAAQ,CAACG,SAAS,CAACvG,OAAV,CAAkBC,IAAlB,EAAwB,CAAxB,EAA2BH,EAA3B,EAA+B,KAAK+D,kBAApC,CAAD,CAAR;AACD,KAZD,MAYO;AACL,UAAI,KAAK+B,UAAT,EAAqB;AACnBS,wBAAM,CAACC,GAAP,CAAW,uBAAX;AACA,aAAKV,UAAL,GAAkB,KAAlB;AACD;;AACD,UAAM/F,MAAM,GAAG,KAAKA,MAApB;;AACA,UAAI,KAAKK,GAAL,KAAaA,GAAjB,EAAsB;AACpB,aAAKA,GAAL,GAAWA,GAAX;AACA,aAAKsG,UAAL,GAAkB,IAAIpG,YAAJ,CAAeP,MAAf,EAAuBK,GAAvB,CAAlB;AACD;;AAED,WAAKsG,UAAL,CAAgBnG,SAAhB,GACGoG,IADH,CACQ,UAACC,MAAD,EAAY;AAChB;AACA,YAAIZ,MAAM,GAAG,IAAIlG,SAAJ,CAAcC,MAAd,EAAsBC,EAAtB,CAAb;AACAgG,cAAM,CAAC9F,OAAP,CAAeC,IAAf,EAAqByG,MAArB,EACGC,KADH,CACS,UAACC,GAAD,EAAS;AACd,eAAI,CAACC,gBAAL,CAAsBD,GAAtB,EAA2B3G,IAA3B,EAAiCC,GAAjC,EAAsCJ,EAAtC,EAA0CsG,QAA1C;AACD,SAHH,EAIGK,IAJH,CAIQ,UAACK,MAAD,EAAY;AAChBV,kBAAQ,CAACU,MAAD,CAAR;AACD,SANH;AAOD,OAXH,EAYGH,KAZH,CAYS,UAACC,GAAD,EAAS;AACd,aAAI,CAACC,gBAAL,CAAsBD,GAAtB,EAA2B3G,IAA3B,EAAiCC,GAAjC,EAAsCJ,EAAtC,EAA0CsG,QAA1C;AACD,OAdH;AAeD;AACF,G;;SAEDS,gB,GAAA,0BAAkBD,GAAlB,EAAuB3G,IAAvB,EAA6BC,GAA7B,EAAkCJ,EAAlC,EAAsCsG,QAAtC,EAAgD;AAC9C,QAAI,KAAKT,MAAL,CAAYQ,iBAAhB,EAAmC;AACjCE,sBAAM,CAACC,GAAP,CAAW,wCAAX;AACA,WAAKL,gBAAL,GAAwB,IAAxB;AACA,WAAKL,UAAL,GAAkB,IAAlB;AACA,WAAK5F,OAAL,CAAaC,IAAb,EAAmBC,GAAnB,EAAwBJ,EAAxB,EAA4BsG,QAA5B;AACD,KALD,MAKO;AACLC,sBAAM,CAACU,KAAP,yBAAmCH,GAAG,CAACI,OAAvC;AACA,WAAKtB,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACC,KAA5B,EAAmC;AAAEC,YAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,eAAO,EAAEC,sBAAY,CAACC,kBAAtD;AAA0EC,aAAK,EAAE,IAAjF;AAAuFC,cAAM,EAAEf,GAAG,CAACI;AAAnG,OAAnC;AACD;AACF,G;;SAED3B,O,GAAA,mBAAW;AACT,QAAIkB,SAAS,GAAG,KAAKA,SAArB;;AACA,QAAIA,SAAJ,EAAe;AACbA,eAAS,CAAClB,OAAV;AACA,WAAKkB,SAAL,GAAiBjB,SAAjB;AACD;AACF,G;;;;;AAGYG,kGAAf,E;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;ACnGA;;;;AAIA;AACA;AAEA;AAEA;AAEO,SAASmC,cAAT,CAAyBlC,QAAzB,EAAmCzF,IAAnC,EAAyC8C,MAAzC,EAAiD8E,UAAjD,EAA6D;AAClE,MAAIC,cAAJ;AAAA,MAAoB;AAClBC,oBADF;AAAA,MACsB;AACpBC,6BAFF;AAAA,MAE+B;AAC7BC,kBAHF;AAAA,MAGoB;AAClBtC,QAJF;AAAA,MAKEuC,SAAS,GAAGC,SAAS,CAACD,SAAV,CAAoBE,WAApB,EALd;AAAA,MAMEC,aAAa,GAAGR,UANlB;AAAA,MAOES,kBAAkB,GAAG,CACnB,KADmB,EACZ,KADY,EAEnB,KAFmB,EAEZ,KAFY,EAGnB,KAHmB,EAGZ,KAHY,EAInB,KAJmB,EAIZ,KAJY,EAKnB,KALmB,EAKZ,KALY,EAMnB,KANmB,EAMZ,IANY,EAOnB,IAPmB,CAPvB,CADkE,CAgBlE;;AACAR,gBAAc,GAAG,CAAC,CAAC7H,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,CAA/B,IAAoC,CAArD;AACAgF,oBAAkB,GAAI,CAAC9H,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,CAApD;;AACA,MAAIgF,kBAAkB,GAAGO,kBAAkB,CAACtF,MAAnB,GAA4B,CAArD,EAAwD;AACtD0C,YAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,UAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,aAAO,EAAEC,sBAAY,CAACe,kBAAtD;AAA0Eb,WAAK,EAAE,IAAjF;AAAuFC,YAAM,mCAAiCI;AAA9H,KAA9B;AACA;AACD;;AACDE,kBAAgB,GAAI,CAAChI,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,CAAjD,CAvBkE,CAwBlE;;AACAkF,kBAAgB,IAAK,CAAChI,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,CAAnD;AACAsD,kBAAM,CAACC,GAAP,qBAA6BuB,UAA7B,wBAA0DC,cAA1D,wBAA2FC,kBAA3F,SAAiHO,kBAAkB,CAACP,kBAAD,CAAnI,0BAA4KE,gBAA5K,EA1BkE,CA2BlE;;AACA,MAAI,WAAWO,IAAX,CAAgBN,SAAhB,CAAJ,EAAgC;AAC9B,QAAIH,kBAAkB,IAAI,CAA1B,EAA6B;AAC3BD,oBAAc,GAAG,CAAjB;AACAnC,YAAM,GAAG,IAAI8C,KAAJ,CAAU,CAAV,CAAT,CAF2B,CAG3B;AACA;AACA;;AACAT,iCAA2B,GAAGD,kBAAkB,GAAG,CAAnD;AACD,KAPD,MAOO;AACLD,oBAAc,GAAG,CAAjB;AACAnC,YAAM,GAAG,IAAI8C,KAAJ,CAAU,CAAV,CAAT;AACAT,iCAA2B,GAAGD,kBAA9B;AACD,KAZ6B,CAa9B;;AACD,GAdD,MAcO,IAAIG,SAAS,CAACQ,OAAV,CAAkB,SAAlB,MAAiC,CAAC,CAAtC,EAAyC;AAC9CZ,kBAAc,GAAG,CAAjB;AACAnC,UAAM,GAAG,IAAI8C,KAAJ,CAAU,CAAV,CAAT;AACAT,+BAA2B,GAAGD,kBAA9B;AACD,GAJM,MAIA;AACL;;;AAGAD,kBAAc,GAAG,CAAjB;AACAnC,UAAM,GAAG,IAAI8C,KAAJ,CAAU,CAAV,CAAT,CALK,CAML;;AACA,QAAKZ,UAAU,KAAMA,UAAU,CAACa,OAAX,CAAmB,YAAnB,MAAqC,CAAC,CAAvC,IACjBb,UAAU,CAACa,OAAX,CAAmB,WAAnB,MAAoC,CAAC,CADzB,CAAX,IAED,CAACb,UAAD,IAAeE,kBAAkB,IAAI,CAFxC,EAE4C;AAC1C;AACA;AACA;AACAC,iCAA2B,GAAGD,kBAAkB,GAAG,CAAnD;AACD,KAPD,MAOO;AACL;AACA;AACA,UAAIF,UAAU,IAAIA,UAAU,CAACa,OAAX,CAAmB,WAAnB,MAAoC,CAAC,CAAnD,KAA0DX,kBAAkB,IAAI,CAAtB,IAA2BE,gBAAgB,KAAK,CAAjD,IACvD,WAAWO,IAAX,CAAgBN,SAAhB,CADF,KAED,CAACL,UAAD,IAAeI,gBAAgB,KAAK,CAFvC,EAE2C;AACzCH,sBAAc,GAAG,CAAjB;AACAnC,cAAM,GAAG,IAAI8C,KAAJ,CAAU,CAAV,CAAT;AACD;;AACDT,iCAA2B,GAAGD,kBAA9B;AACD;AACF;AACD;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAiCA;;;AACApC,QAAM,CAAC,CAAD,CAAN,GAAYmC,cAAc,IAAI,CAA9B,CA1GkE,CA2GlE;;AACAnC,QAAM,CAAC,CAAD,CAAN,IAAa,CAACoC,kBAAkB,GAAG,IAAtB,KAA+B,CAA5C;AACApC,QAAM,CAAC,CAAD,CAAN,IAAa,CAACoC,kBAAkB,GAAG,IAAtB,KAA+B,CAA5C,CA7GkE,CA8GlE;;AACApC,QAAM,CAAC,CAAD,CAAN,IAAasC,gBAAgB,IAAI,CAAjC;;AACA,MAAIH,cAAc,KAAK,CAAvB,EAA0B;AACxB;AACAnC,UAAM,CAAC,CAAD,CAAN,IAAa,CAACqC,2BAA2B,GAAG,IAA/B,KAAwC,CAArD;AACArC,UAAM,CAAC,CAAD,CAAN,GAAY,CAACqC,2BAA2B,GAAG,IAA/B,KAAwC,CAApD,CAHwB,CAIxB;AACA;;AACArC,UAAM,CAAC,CAAD,CAAN,IAAa,KAAK,CAAlB;AACAA,UAAM,CAAC,CAAD,CAAN,GAAY,CAAZ;AACD;;AACD,SAAO;AAAEA,UAAM,EAAEA,MAAV;AAAkBgD,cAAU,EAAEL,kBAAkB,CAACP,kBAAD,CAAhD;AAAsEa,gBAAY,EAAEX,gBAApF;AAAsGY,SAAK,EAAG,aAAaf,cAA3H;AAA4IO,iBAAa,EAAEA;AAA3J,GAAP;AACD;AAEM,SAASS,eAAT,CAA0B7I,IAA1B,EAAgC8C,MAAhC,EAAwC;AAC7C,SAAO9C,IAAI,CAAC8C,MAAD,CAAJ,KAAiB,IAAjB,IAAyB,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,IAA9D;AACD;AAEM,SAASgG,eAAT,CAA0B9I,IAA1B,EAAgC8C,MAAhC,EAAwC;AAC7C,SAAQ9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAnB,GAA0B,CAA1B,GAA8B,CAAtC;AACD;AAEM,SAASiG,kBAAT,CAA6B/I,IAA7B,EAAmC8C,MAAnC,EAA2C;AAChD,SAAQ,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,EAA9B,GACJ9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CADhB,GAEJ,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,CAFjC;AAGD;AAEM,SAASkG,QAAT,CAAmBhJ,IAAnB,EAAyB8C,MAAzB,EAAiC;AACtC;AACA;AACA;AACA,MAAIA,MAAM,GAAG,CAAT,GAAa9C,IAAI,CAAC+C,MAAlB,IAA4B8F,eAAe,CAAC7I,IAAD,EAAO8C,MAAP,CAA/C,EAA+D;AAC7D,WAAO,IAAP;AACD;;AAED,SAAO,KAAP;AACD;AAEM,SAASmG,UAAT,CAAgBjJ,IAAhB,EAAsB8C,MAAtB,EAA8B;AACnC;AACA;AACA,MAAIkG,QAAQ,CAAChJ,IAAD,EAAO8C,MAAP,CAAZ,EAA4B;AAC1B;AACA,QAAIoG,YAAY,GAAGJ,eAAe,CAAC9I,IAAD,EAAO8C,MAAP,CAAlC,CAF0B,CAG1B;;AACA,QAAIqG,WAAW,GAAGD,YAAlB;;AACA,QAAIpG,MAAM,GAAG,CAAT,GAAa9C,IAAI,CAAC+C,MAAtB,EAA8B;AAC5BoG,iBAAW,GAAGJ,kBAAkB,CAAC/I,IAAD,EAAO8C,MAAP,CAAhC;AACD;;AAED,QAAIsG,SAAS,GAAGtG,MAAM,GAAGqG,WAAzB;;AACA,QAAIC,SAAS,KAAKpJ,IAAI,CAAC+C,MAAnB,IAA8BqG,SAAS,GAAG,CAAZ,GAAgBpJ,IAAI,CAAC+C,MAArB,IAA+B8F,eAAe,CAAC7I,IAAD,EAAOoJ,SAAP,CAAhF,EAAoG;AAClG,aAAO,IAAP;AACD;AACF;;AACD,SAAO,KAAP;AACD;AAEM,SAASC,eAAT,CAA0BC,KAA1B,EAAiC7D,QAAjC,EAA2CzF,IAA3C,EAAiD8C,MAAjD,EAAyD8E,UAAzD,EAAqE;AAC1E,MAAI,CAAC0B,KAAK,CAACZ,UAAX,EAAuB;AACrB,QAAIhD,MAAM,GAAGiC,cAAc,CAAClC,QAAD,EAAWzF,IAAX,EAAiB8C,MAAjB,EAAyB8E,UAAzB,CAA3B;AACA0B,SAAK,CAAC5D,MAAN,GAAeA,MAAM,CAACA,MAAtB;AACA4D,SAAK,CAACZ,UAAN,GAAmBhD,MAAM,CAACgD,UAA1B;AACAY,SAAK,CAACX,YAAN,GAAqBjD,MAAM,CAACiD,YAA5B;AACAW,SAAK,CAACV,KAAN,GAAclD,MAAM,CAACkD,KAArB;AACAU,SAAK,CAAClB,aAAN,GAAsB1C,MAAM,CAAC0C,aAA7B;AACAhC,oBAAM,CAACC,GAAP,mBAA2BiD,KAAK,CAACV,KAAjC,cAA+ClD,MAAM,CAACgD,UAAtD,oBAA+EhD,MAAM,CAACiD,YAAtF;AACD;AACF;AAEM,SAASY,gBAAT,CAA2Bb,UAA3B,EAAuC;AAC5C,SAAO,OAAO,KAAP,GAAeA,UAAtB;AACD;AAEM,SAASc,gBAAT,CAA2BxJ,IAA3B,EAAiC8C,MAAjC,EAAyC2G,GAAzC,EAA8CC,UAA9C,EAA0DC,aAA1D,EAAyE;AAC9E,MAAIT,YAAJ,EAAkBC,WAAlB,EAA+BS,KAA/B;AACA,MAAI7G,MAAM,GAAG/C,IAAI,CAAC+C,MAAlB,CAF8E,CAI9E;;AACAmG,cAAY,GAAGJ,eAAe,CAAC9I,IAAD,EAAO8C,MAAP,CAA9B,CAL8E,CAM9E;;AACAqG,aAAW,GAAGJ,kBAAkB,CAAC/I,IAAD,EAAO8C,MAAP,CAAhC;AACAqG,aAAW,IAAID,YAAf;;AAEA,MAAKC,WAAW,GAAG,CAAf,IAAuBrG,MAAM,GAAGoG,YAAT,GAAwBC,WAAzB,IAAyCpG,MAAnE,EAA4E;AAC1E6G,SAAK,GAAGH,GAAG,GAAGC,UAAU,GAAGC,aAA3B,CAD0E,CAE1E;;AACA,WAAO;AAAET,kBAAY,EAAZA,YAAF;AAAgBC,iBAAW,EAAXA,WAAhB;AAA6BS,WAAK,EAALA;AAA7B,KAAP;AACD;;AAED,SAAOvE,SAAP;AACD;AAEM,SAASwE,WAAT,CAAsBP,KAAtB,EAA6BtJ,IAA7B,EAAmC8C,MAAnC,EAA2C2G,GAA3C,EAAgDC,UAAhD,EAA4D;AACjE,MAAIC,aAAa,GAAGJ,gBAAgB,CAACD,KAAK,CAACZ,UAAP,CAApC;AACA,MAAIoB,MAAM,GAAGN,gBAAgB,CAACxJ,IAAD,EAAO8C,MAAP,EAAe2G,GAAf,EAAoBC,UAApB,EAAgCC,aAAhC,CAA7B;;AACA,MAAIG,MAAJ,EAAY;AACV,QAAIF,KAAK,GAAGE,MAAM,CAACF,KAAnB;AACA,QAAIV,YAAY,GAAGY,MAAM,CAACZ,YAA1B;AACA,QAAIC,WAAW,GAAGW,MAAM,CAACX,WAAzB,CAHU,CAKV;;AACA,QAAIY,SAAS,GAAG;AACdC,UAAI,EAAEhK,IAAI,CAACiK,QAAL,CAAcnH,MAAM,GAAGoG,YAAvB,EAAqCpG,MAAM,GAAGoG,YAAT,GAAwBC,WAA7D,CADQ;AAEdM,SAAG,EAAEG,KAFS;AAGdM,SAAG,EAAEN;AAHS,KAAhB;AAMAN,SAAK,CAACa,OAAN,CAAcC,IAAd,CAAmBL,SAAnB;AACA,WAAO;AAAEM,YAAM,EAAEN,SAAV;AAAqBhH,YAAM,EAAEoG,WAAW,GAAGD;AAA3C,KAAP;AACD;;AAED,SAAO7D,SAAP;AACD,C;;;;;;;AC3OD;;;AAGA;AACA;AACA;;IAEMiF,qB;;;AACJ,sBAAa7E,QAAb,EAAuB8E,OAAvB,EAAgC7E,MAAhC,EAAwC;AACtC,SAAKD,QAAL,GAAgBA,QAAhB;AACA,SAAKC,MAAL,GAAcA,MAAd;AACA,SAAK6E,OAAL,GAAeA,OAAf;AACD;;;;SAEDC,gB,GAAA,0BAAkBC,WAAlB,EAA+B7C,UAA/B,EAA2C8C,UAA3C,EAAuDC,QAAvD,EAAiE;AAC/D,SAAKC,WAAL,GAAmB;AAAEC,eAAS,EAAE,YAAb;AAA2B1D,UAAI,EAAE,OAAjC;AAA0C2D,QAAE,EAAE,CAA9C;AAAiDC,oBAAc,EAAE,CAAjE;AAAoEC,WAAK,EAAE,IAA3E;AAAiFb,aAAO,EAAE,EAA1F;AAA8Fc,SAAG,EAAE,CAAnG;AAAsG7C,mBAAa,EAAER,UAArH;AAAiI+C,cAAQ,EAAEA,QAA3I;AAAqJO,oBAAc,EAAE;AAArK,KAAnB;AACD,G;;SAEDC,c,GAAA,0BAAkB,CACjB,C;;aAEMlC,K,GAAP,eAAcjJ,IAAd,EAAoB;AAClB,QAAI,CAACA,IAAL,EAAW;AACT,aAAO,KAAP;AACD,KAHiB,CAKlB;AACA;AACA;AACA;;;AACA,QAAMoL,OAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB,CAArB,KAA2B,EAA3C;AACA,QAAI8C,MAAM,GAAGsI,OAAO,CAACrI,MAArB;;AAEA,SAAK,IAAIA,MAAM,GAAG/C,IAAI,CAAC+C,MAAvB,EAA+BD,MAAM,GAAGC,MAAxC,EAAgDD,MAAM,EAAtD,EAA0D;AACxD,UAAIyI,UAAA,CAAWvL,IAAX,EAAiB8C,MAAjB,CAAJ,EAA8B;AAC5BsD,wBAAM,CAACC,GAAP,CAAW,wBAAX;AACA,eAAO,IAAP;AACD;AACF;;AACD,WAAO,KAAP;AACD,G,CAED;;;SACAmF,M,GAAA,gBAAQxL,IAAR,EAAcyL,UAAd,EAA0BC,UAA1B,EAAsCC,kBAAtC,EAA0D;AACxD,QAAIrC,KAAK,GAAG,KAAKsB,WAAjB;AACA,QAAIQ,OAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB,CAArB,KAA2B,EAAzC;AACA,QAAI4L,SAAS,GAAGP,cAAG,CAACQ,YAAJ,CAAiBT,OAAjB,CAAhB;AACA,QAAI3B,GAAG,GAAG,0CAAgBmC,SAAhB,IAA6BA,SAAS,GAAG,EAAzC,GAA8CH,UAAU,GAAG,KAArE;AACA,QAAI/B,UAAU,GAAG,CAAjB;AACA,QAAIE,KAAK,GAAGH,GAAZ;AACA,QAAI1G,MAAM,GAAG/C,IAAI,CAAC+C,MAAlB;AACA,QAAID,MAAM,GAAGsI,OAAO,CAACrI,MAArB;AAEA,QAAI+I,UAAU,GAAG,CAAC;AAAErC,SAAG,EAAEG,KAAP;AAAcM,SAAG,EAAEN,KAAnB;AAA0B5J,UAAI,EAAEoL;AAAhC,KAAD,CAAjB;;AAEA,WAAOtI,MAAM,GAAGC,MAAM,GAAG,CAAzB,EAA4B;AAC1B,UAAIwI,QAAA,CAAcvL,IAAd,EAAoB8C,MAApB,KAAgCA,MAAM,GAAG,CAAV,GAAeC,MAAlD,EAA0D;AACxDwI,uBAAA,CAAqBjC,KAArB,EAA4B,KAAK7D,QAAjC,EAA2CzF,IAA3C,EAAiD8C,MAAjD,EAAyDwG,KAAK,CAAClB,aAA/D;AACA,YAAI2D,KAAK,GAAGR,WAAA,CAAiBjC,KAAjB,EAAwBtJ,IAAxB,EAA8B8C,MAA9B,EAAsC2G,GAAtC,EAA2CC,UAA3C,CAAZ;;AACA,YAAIqC,KAAJ,EAAW;AACTjJ,gBAAM,IAAIiJ,KAAK,CAAChJ,MAAhB;AACA6G,eAAK,GAAGmC,KAAK,CAAC1B,MAAN,CAAaZ,GAArB;AACAC,oBAAU;AACX,SAJD,MAIO;AACLtD,0BAAM,CAACC,GAAP,CAAW,2BAAX;AACA;AACD;AACF,OAXD,MAWO,IAAIgF,cAAG,CAACrC,QAAJ,CAAahJ,IAAb,EAAmB8C,MAAnB,CAAJ,EAAgC;AACrCsI,eAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB8C,MAArB,CAAV;AACAgJ,kBAAU,CAAC1B,IAAX,CAAgB;AAAEX,aAAG,EAAEG,KAAP;AAAcM,aAAG,EAAEN,KAAnB;AAA0B5J,cAAI,EAAEoL;AAAhC,SAAhB;AACAtI,cAAM,IAAIsI,OAAO,CAACrI,MAAlB;AACD,OAJM,MAIA;AACL;AACAD,cAAM;AACP;AACF;;AAED,SAAKyH,OAAL,CAAayB,KAAb,CAAmB1C,KAAnB,EACE;AAAEa,aAAO,EAAE;AAAX,KADF,EAEE;AAAEA,aAAO,EAAE2B,UAAX;AAAuBZ,oBAAc,EAAE;AAAvC,KAFF,EAGE;AAAEf,aAAO,EAAE;AAAX,KAHF,EAIEsB,UAJF,EAKEC,UALF,EAMEC,kBANF;AAOD,G;;SAEDvG,O,GAAA,mBAAW,CACV,C;;;;;AAGYkF,oEAAf,E;;;;;AC1FA;;;AAIA,IAAM2B,SAAS,GAAG;AAEhBC,aAAW,EAAE,CACX,EADW,EACP,EADO,EACH,EADG,EACC,GADD,EACM,GADN,EACW,GADX,EACgB,GADhB,EACqB,GADrB,EAC0B,GAD1B,EAC+B,GAD/B,EACoC,GADpC,EACyC,GADzC,EAC8C,GAD9C,EACmD,GADnD,EAEX,EAFW,EAEP,EAFO,EAEH,EAFG,EAEC,EAFD,EAEK,EAFL,EAES,EAFT,EAEa,GAFb,EAEkB,GAFlB,EAEuB,GAFvB,EAE4B,GAF5B,EAEiC,GAFjC,EAEsC,GAFtC,EAE2C,GAF3C,EAEgD,GAFhD,EAGX,EAHW,EAGP,EAHO,EAGH,EAHG,EAGC,EAHD,EAGK,EAHL,EAGS,EAHT,EAGa,EAHb,EAGiB,GAHjB,EAGsB,GAHtB,EAG2B,GAH3B,EAGgC,GAHhC,EAGqC,GAHrC,EAG0C,GAH1C,EAG+C,GAH/C,EAIX,EAJW,EAIP,EAJO,EAIH,EAJG,EAIC,EAJD,EAIK,EAJL,EAIS,EAJT,EAIa,GAJb,EAIkB,GAJlB,EAIuB,GAJvB,EAI4B,GAJ5B,EAIiC,GAJjC,EAIsC,GAJtC,EAI2C,GAJ3C,EAIgD,GAJhD,EAKX,CALW,EAKR,EALQ,EAKJ,EALI,EAKA,EALA,EAKI,EALJ,EAKQ,EALR,EAKY,EALZ,EAKgB,EALhB,EAKoB,EALpB,EAKwB,EALxB,EAK4B,GAL5B,EAKiC,GALjC,EAKsC,GALtC,EAK2C,GAL3C,CAFG;AAShBC,iBAAe,EAAE,CAAC,KAAD,EAAQ,KAAR,EAAe,KAAf,EAAsB,KAAtB,EAA6B,KAA7B,EAAoC,KAApC,EAA2C,KAA3C,EAAkD,KAAlD,EAAyD,IAAzD,CATD;AAWhBC,qBAAmB,EAAE,CACnB;AACA,GACE,CADF,EACK;AACH,IAFF,EAEM;AACJ,KAHF,EAGO;AACL,IAJF,CAIK;AAJL,GAFmB,EAQnB;AACA,GACE,CADF,EACK;AACH,GAFF,EAEK;AACH,GAHF,EAGK;AACH,GAJF,CAII;AAJJ,GATmB,EAenB;AACA,GACE,CADF,EACK;AACH,IAFF,EAEM;AACJ,KAHF,EAGO;AACL,IAJF,CAIK;AAJL,GAhBmB,EAsBnB;AACA,GACE,CADF,EACK;AACH,KAFF,EAEO;AACL,KAHF,EAGO;AACL,IAJF,CAIK;AAJL,GAvBmB,CAXL;AA0ChBC,aAAW,EAAE,CACX,CADW,EACR;AACH,GAFW,EAER;AACH,GAHW,EAGR;AACH,GAJW,CAIT;AAJS,GA1CG;AAiDhBxC,aAAW,EAAE,qBAAUP,KAAV,EAAiBtJ,IAAjB,EAAuB8C,MAAvB,EAA+B2G,GAA/B,EAAoCC,UAApC,EAAgD;AAC3D;AACA,QAAI5G,MAAM,GAAG,EAAT,GAAc9C,IAAI,CAAC+C,MAAvB,EAA+B;AAC7B,aAAOsC,SAAP;AACD;;AAED,QAAIyE,MAAM,GAAG,KAAKwC,WAAL,CAAiBtM,IAAjB,EAAuB8C,MAAvB,CAAb;;AACA,QAAIgH,MAAM,IAAIhH,MAAM,GAAGgH,MAAM,CAACX,WAAhB,IAA+BnJ,IAAI,CAAC+C,MAAlD,EAA0D;AACxD,UAAI4G,aAAa,GAAGG,MAAM,CAACyC,eAAP,GAAyB,KAAzB,GAAiCzC,MAAM,CAAC0C,UAA5D;AACA,UAAI5C,KAAK,GAAGH,GAAG,GAAGC,UAAU,GAAGC,aAA/B;AACA,UAAIU,MAAM,GAAG;AAAEL,YAAI,EAAEhK,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBA,MAAM,GAAGgH,MAAM,CAACX,WAAtC,CAAR;AAA4DM,WAAG,EAAEG,KAAjE;AAAwEM,WAAG,EAAEN;AAA7E,OAAb;AAEAN,WAAK,CAAC5D,MAAN,GAAe,EAAf;AACA4D,WAAK,CAACX,YAAN,GAAqBmB,MAAM,CAACnB,YAA5B;AACAW,WAAK,CAACZ,UAAN,GAAmBoB,MAAM,CAAC0C,UAA1B;AACAlD,WAAK,CAACa,OAAN,CAAcC,IAAd,CAAmBC,MAAnB;AAEA,aAAO;AAAEA,cAAM,EAANA,MAAF;AAAUtH,cAAM,EAAE+G,MAAM,CAACX;AAAzB,OAAP;AACD;;AAED,WAAO9D,SAAP;AACD,GAtEe;AAwEhBiH,aAAW,EAAE,qBAAUtM,IAAV,EAAgB8C,MAAhB,EAAwB;AACnC,QAAI2J,OAAO,GAAIzM,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAArB,GAA0B,CAAxC;AACA,QAAI4J,OAAO,GAAI1M,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAArB,GAA0B,CAAxC;AACA,QAAI6J,OAAO,GAAI3M,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAArB,GAA0B,EAAxC;AACA,QAAI8J,OAAO,GAAI5M,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAArB,GAA0B,CAAxC;AACA,QAAI+J,OAAO,GAAI7M,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAArB,GAA0B,CAAxC;;AACA,QAAI2J,OAAO,KAAK,CAAZ,IAAiBE,OAAO,KAAK,CAA7B,IAAkCA,OAAO,KAAK,EAA9C,IAAoDC,OAAO,KAAK,CAApE,EAAuE;AACrE,UAAIE,gBAAgB,GAAGL,OAAO,KAAK,CAAZ,GAAiB,IAAIC,OAArB,GAAiCA,OAAO,KAAK,CAAZ,GAAgB,CAAhB,GAAoB,CAA5E;AACA,UAAIK,OAAO,GAAGd,SAAS,CAACC,WAAV,CAAsBY,gBAAgB,GAAG,EAAnB,GAAwBH,OAAxB,GAAkC,CAAxD,IAA6D,IAA3E;AACA,UAAIK,mBAAmB,GAAGP,OAAO,KAAK,CAAZ,GAAgB,CAAhB,GAAoBA,OAAO,KAAK,CAAZ,GAAgB,CAAhB,GAAoB,CAAlE;AACA,UAAID,UAAU,GAAGP,SAAS,CAACE,eAAV,CAA0Ba,mBAAmB,GAAG,CAAtB,GAA0BJ,OAApD,CAAjB;AACA,UAAIjE,YAAY,GAAG3I,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAApB,KAA0B,CAA1B,GAA8B,CAA9B,GAAkC,CAArD,CALqE,CAKb;;AACxD,UAAImK,iBAAiB,GAAGhB,SAAS,CAACG,mBAAV,CAA8BK,OAA9B,EAAuCC,OAAvC,CAAxB;AACA,UAAIQ,WAAW,GAAGjB,SAAS,CAACI,WAAV,CAAsBK,OAAtB,CAAlB;AACA,UAAIH,eAAe,GAAGU,iBAAiB,GAAG,CAApB,GAAwBC,WAA9C;AACA,UAAI/D,WAAW,GAAGgE,QAAQ,CAACF,iBAAiB,GAAGF,OAApB,GAA8BP,UAA9B,GAA2CK,OAA5C,EAAqD,EAArD,CAAR,GAAmEK,WAArF;AAEA,aAAO;AAAEV,kBAAU,EAAVA,UAAF;AAAc7D,oBAAY,EAAZA,YAAd;AAA4BQ,mBAAW,EAAXA,WAA5B;AAAyCoD,uBAAe,EAAfA;AAAzC,OAAP;AACD;;AAED,WAAOlH,SAAP;AACD,GA7Fe;AA+FhBwD,iBAAe,EAAE,yBAAU7I,IAAV,EAAgB8C,MAAhB,EAAwB;AACvC,WAAO9C,IAAI,CAAC8C,MAAD,CAAJ,KAAiB,IAAjB,IAAyB,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,IAAvD,IAA+D,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,IAApG;AACD,GAjGe;AAmGhBkG,UAAQ,EAAE,kBAAUhJ,IAAV,EAAgB8C,MAAhB,EAAwB;AAChC;AACA;AACA;AACA,QAAIA,MAAM,GAAG,CAAT,GAAa9C,IAAI,CAAC+C,MAAlB,IAA4B,KAAK8F,eAAL,CAAqB7I,IAArB,EAA2B8C,MAA3B,CAAhC,EAAoE;AAClE,aAAO,IAAP;AACD;;AAED,WAAO,KAAP;AACD,GA5Ge;AA8GhBmG,OAAK,EAAE,eAAUjJ,IAAV,EAAgB8C,MAAhB,EAAwB;AAC7B;AACA;AACA,QAAIA,MAAM,GAAG,CAAT,GAAa9C,IAAI,CAAC+C,MAAlB,IAA4B,KAAK8F,eAAL,CAAqB7I,IAArB,EAA2B8C,MAA3B,CAAhC,EAAoE;AAClE;AACA,UAAIoG,YAAY,GAAG,CAAnB,CAFkE,CAGlE;;AACA,UAAIY,MAAM,GAAG,KAAKwC,WAAL,CAAiBtM,IAAjB,EAAuB8C,MAAvB,CAAb;AACA,UAAIqG,WAAW,GAAGD,YAAlB;;AACA,UAAIY,MAAM,IAAIA,MAAM,CAACX,WAArB,EAAkC;AAChCA,mBAAW,GAAGW,MAAM,CAACX,WAArB;AACD;;AAED,UAAIC,SAAS,GAAGtG,MAAM,GAAGqG,WAAzB;;AACA,UAAIC,SAAS,KAAKpJ,IAAI,CAAC+C,MAAnB,IAA8BqG,SAAS,GAAG,CAAZ,GAAgBpJ,IAAI,CAAC+C,MAArB,IAA+B,KAAK8F,eAAL,CAAqB7I,IAArB,EAA2BoJ,SAA3B,CAAjE,EAAyG;AACvG,eAAO,IAAP;AACD;AACF;;AACD,WAAO,KAAP;AACD;AAjIe,CAAlB;AAoIe6C,uDAAf,E;;ACxIA;;;AAIA;;IAEMmB,oB;;;AACJ,qBAAapN,IAAb,EAAmB;AACjB,SAAKA,IAAL,GAAYA,IAAZ,CADiB,CAEjB;;AACA,SAAKqN,cAAL,GAAsBrN,IAAI,CAACS,UAA3B,CAHiB,CAIjB;;AACA,SAAKiD,IAAL,GAAY,CAAZ,CALiB,CAKF;AACf;;AACA,SAAK4J,aAAL,GAAqB,CAArB,CAPiB,CAOO;AACzB,G,CAED;;;;;SACAC,Q,GAAA,oBAAY;AACV,QACEvN,IAAI,GAAG,KAAKA,IADd;AAAA,QAEEqN,cAAc,GAAG,KAAKA,cAFxB;AAAA,QAGEG,QAAQ,GAAGxN,IAAI,CAACS,UAAL,GAAkB4M,cAH/B;AAAA,QAIEI,YAAY,GAAG,IAAIC,UAAJ,CAAe,CAAf,CAJjB;AAAA,QAKEC,cAAc,GAAGC,IAAI,CAACC,GAAL,CAAS,CAAT,EAAYR,cAAZ,CALnB;;AAMA,QAAIM,cAAc,KAAK,CAAvB,EAA0B;AACxB,YAAM,IAAI1K,KAAJ,CAAU,oBAAV,CAAN;AACD;;AAEDwK,gBAAY,CAACK,GAAb,CAAiB9N,IAAI,CAACiK,QAAL,CAAcuD,QAAd,EAAwBA,QAAQ,GAAGG,cAAnC,CAAjB;AACA,SAAKjK,IAAL,GAAY,IAAI/C,QAAJ,CAAa8M,YAAY,CAAClN,MAA1B,EAAkCoB,SAAlC,CAA4C,CAA5C,CAAZ,CAZU,CAaV;;AACA,SAAK2L,aAAL,GAAqBK,cAAc,GAAG,CAAtC;AACA,SAAKN,cAAL,IAAuBM,cAAvB;AACD,G,CAED;;;SACAI,Q,GAAA,kBAAUC,KAAV,EAAiB;AACf,QAAIC,SAAJ,CADe,CACA;;AACf,QAAI,KAAKX,aAAL,GAAqBU,KAAzB,EAAgC;AAC9B,WAAKtK,IAAL,KAAcsK,KAAd;AACA,WAAKV,aAAL,IAAsBU,KAAtB;AACD,KAHD,MAGO;AACLA,WAAK,IAAI,KAAKV,aAAd;AACAW,eAAS,GAAGD,KAAK,IAAI,CAArB;AACAA,WAAK,IAAKC,SAAS,IAAI,CAAvB;AACA,WAAKZ,cAAL,IAAuBY,SAAvB;AACA,WAAKV,QAAL;AACA,WAAK7J,IAAL,KAAcsK,KAAd;AACA,WAAKV,aAAL,IAAsBU,KAAtB;AACD;AACF,G,CAED;;;SACAE,Q,GAAA,kBAAUC,IAAV,EAAgB;AACd,QACEC,IAAI,GAAGR,IAAI,CAACC,GAAL,CAAS,KAAKP,aAAd,EAA6Ba,IAA7B,CADT;AAAA,QAC6C;AAC3CE,QAAI,GAAG,KAAK3K,IAAL,KAAe,KAAK0K,IAF7B,CADc,CAGsB;;AACpC,QAAID,IAAI,GAAG,EAAX,EAAe;AACb/H,sBAAM,CAACU,KAAP,CAAa,yCAAb;AACD;;AAED,SAAKwG,aAAL,IAAsBc,IAAtB;;AACA,QAAI,KAAKd,aAAL,GAAqB,CAAzB,EAA4B;AAC1B,WAAK5J,IAAL,KAAc0K,IAAd;AACD,KAFD,MAEO,IAAI,KAAKf,cAAL,GAAsB,CAA1B,EAA6B;AAClC,WAAKE,QAAL;AACD;;AAEDa,QAAI,GAAGD,IAAI,GAAGC,IAAd;;AACA,QAAIA,IAAI,GAAG,CAAP,IAAY,KAAKd,aAArB,EAAoC;AAClC,aAAOe,IAAI,IAAID,IAAR,GAAe,KAAKF,QAAL,CAAcE,IAAd,CAAtB;AACD,KAFD,MAEO;AACL,aAAOC,IAAP;AACD;AACF,G,CAED;;;SACAC,M,GAAA,kBAAU;AACR,QAAIC,gBAAJ,CADQ,CACc;;AACtB,SAAKA,gBAAgB,GAAG,CAAxB,EAA2BA,gBAAgB,GAAG,KAAKjB,aAAnD,EAAkE,EAAEiB,gBAApE,EAAsF;AACpF,UAAI,CAAC,KAAK7K,IAAL,GAAa,eAAe6K,gBAA7B,MAAoD,CAAxD,EAA2D;AACzD;AACA,aAAK7K,IAAL,KAAc6K,gBAAd;AACA,aAAKjB,aAAL,IAAsBiB,gBAAtB;AACA,eAAOA,gBAAP;AACD;AACF,KATO,CAUR;;;AACA,SAAKhB,QAAL;AACA,WAAOgB,gBAAgB,GAAG,KAAKD,MAAL,EAA1B;AACD,G,CAED;;;SACAE,O,GAAA,mBAAW;AACT,SAAKT,QAAL,CAAc,IAAI,KAAKO,MAAL,EAAlB;AACD,G,CAED;;;SACAG,M,GAAA,kBAAU;AACR,SAAKV,QAAL,CAAc,IAAI,KAAKO,MAAL,EAAlB;AACD,G,CAED;;;SACAI,O,GAAA,mBAAW;AACT,QAAIC,GAAG,GAAG,KAAKL,MAAL,EAAV,CADS,CACgB;;AACzB,WAAO,KAAKJ,QAAL,CAAcS,GAAG,GAAG,CAApB,IAAyB,CAAhC;AACD,G,CAED;;;SACAC,M,GAAA,kBAAU;AACR,QAAIP,IAAI,GAAG,KAAKK,OAAL,EAAX,CADQ,CACmB;;AAC3B,QAAI,OAAOL,IAAX,EAAiB;AACf;AACA,aAAQ,IAAIA,IAAL,KAAe,CAAtB,CAFe,CAEU;AAC1B,KAHD,MAGO;AACL,aAAO,CAAC,CAAD,IAAMA,IAAI,KAAK,CAAf,CAAP,CADK,CACqB;AAC3B;AACF,G,CAED;AACA;;;SACAQ,W,GAAA,uBAAe;AACb,WAAO,KAAKX,QAAL,CAAc,CAAd,MAAqB,CAA5B;AACD,G,CAED;;;SACAY,S,GAAA,qBAAa;AACX,WAAO,KAAKZ,QAAL,CAAc,CAAd,CAAP;AACD,G,CAED;;;SACAa,U,GAAA,sBAAc;AACZ,WAAO,KAAKb,QAAL,CAAc,EAAd,CAAP;AACD,G,CACD;;;SACAc,Q,GAAA,oBAAY;AACV,WAAO,KAAKd,QAAL,CAAc,EAAd,CAAP;AACD;AAED;;;;;;;;;SAOAe,e,GAAA,yBAAiBjB,KAAjB,EAAwB;AACtB,QACEkB,SAAS,GAAG,CADd;AAAA,QAEEC,SAAS,GAAG,CAFd;AAAA,QAGEC,CAHF;AAAA,QAIEC,UAJF;;AAKA,SAAKD,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGpB,KAAhB,EAAuBoB,CAAC,EAAxB,EAA4B;AAC1B,UAAID,SAAS,KAAK,CAAlB,EAAqB;AACnBE,kBAAU,GAAG,KAAKT,MAAL,EAAb;AACAO,iBAAS,GAAG,CAACD,SAAS,GAAGG,UAAZ,GAAyB,GAA1B,IAAiC,GAA7C;AACD;;AACDH,eAAS,GAAIC,SAAS,KAAK,CAAf,GAAoBD,SAApB,GAAgCC,SAA5C;AACD;AACF;AAED;;;;;;;;;;;SASAG,O,GAAA,mBAAW;AACT,QACEC,mBAAmB,GAAG,CADxB;AAAA,QAEEC,oBAAoB,GAAG,CAFzB;AAAA,QAGEC,kBAAkB,GAAG,CAHvB;AAAA,QAIEC,qBAAqB,GAAG,CAJ1B;AAAA,QAKEC,UALF;AAAA,QAKcC,aALd;AAAA,QAK6BC,QAL7B;AAAA,QAMEC,8BANF;AAAA,QAMkCC,mBANlC;AAAA,QAOEC,yBAPF;AAAA,QAQEC,gBARF;AAAA,QASEC,gBATF;AAAA,QAUExO,CAVF;AAAA,QAWEoN,SAAS,GAAG,KAAKA,SAAL,CAAeqB,IAAf,CAAoB,IAApB,CAXd;AAAA,QAYEjC,QAAQ,GAAG,KAAKA,QAAL,CAAciC,IAAd,CAAmB,IAAnB,CAZb;AAAA,QAaEzB,OAAO,GAAG,KAAKA,OAAL,CAAayB,IAAb,CAAkB,IAAlB,CAbZ;AAAA,QAcEtB,WAAW,GAAG,KAAKA,WAAL,CAAiBsB,IAAjB,CAAsB,IAAtB,CAdhB;AAAA,QAeEpC,QAAQ,GAAG,KAAKA,QAAL,CAAcoC,IAAd,CAAmB,IAAnB,CAfb;AAAA,QAgBE1B,MAAM,GAAG,KAAKA,MAAL,CAAY0B,IAAZ,CAAiB,IAAjB,CAhBX;AAAA,QAiBE3B,OAAO,GAAG,KAAKA,OAAL,CAAa2B,IAAb,CAAkB,IAAlB,CAjBZ;AAAA,QAkBElB,eAAe,GAAG,KAAKA,eAAL,CAAqBkB,IAArB,CAA0B,IAA1B,CAlBpB;AAoBArB,aAAS;AACTa,cAAU,GAAGb,SAAS,EAAtB,CAtBS,CAsBiB;;AAC1Bc,iBAAa,GAAG1B,QAAQ,CAAC,CAAD,CAAxB,CAvBS,CAuBoB;;AAC7BH,YAAQ,CAAC,CAAD,CAAR,CAxBS,CAwBI;;AACb8B,YAAQ,GAAGf,SAAS,EAApB,CAzBS,CAyBe;;AACxBN,WAAO,GA1BE,CA0BE;AACX;;AACA,QAAImB,UAAU,KAAK,GAAf,IACAA,UAAU,KAAK,GADf,IAEAA,UAAU,KAAK,GAFf,IAGAA,UAAU,KAAK,GAHf,IAIAA,UAAU,KAAK,EAJf,IAKAA,UAAU,KAAK,EALf,IAMAA,UAAU,KAAK,EANf,IAOAA,UAAU,KAAK,GAPf,IAQAA,UAAU,KAAK,GARnB,EAQwB;AACtB,UAAIS,eAAe,GAAG1B,OAAO,EAA7B;;AACA,UAAI0B,eAAe,KAAK,CAAxB,EAA2B;AACzBrC,gBAAQ,CAAC,CAAD,CAAR;AACD,OAJqB,CAIpB;;;AAEFS,aAAO,GANe,CAMX;;AACXA,aAAO,GAPe,CAOX;;AACXT,cAAQ,CAAC,CAAD,CAAR,CARsB,CAQT;;AACb,UAAIc,WAAW,EAAf,EAAmB;AAAE;AACnBqB,wBAAgB,GAAIE,eAAe,KAAK,CAArB,GAA0B,CAA1B,GAA8B,EAAjD;;AACA,aAAK1O,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGwO,gBAAhB,EAAkCxO,CAAC,EAAnC,EAAuC;AACrC,cAAImN,WAAW,EAAf,EAAmB;AAAE;AACnB,gBAAInN,CAAC,GAAG,CAAR,EAAW;AACTuN,6BAAe,CAAC,EAAD,CAAf;AACD,aAFD,MAEO;AACLA,6BAAe,CAAC,EAAD,CAAf;AACD;AACF;AACF;AACF;AACF;;AACDT,WAAO,GA1DE,CA0DE;;AACX,QAAI6B,eAAe,GAAG3B,OAAO,EAA7B;;AACA,QAAI2B,eAAe,KAAK,CAAxB,EAA2B;AACzB3B,aAAO,GADkB,CACd;AACZ,KAFD,MAEO,IAAI2B,eAAe,KAAK,CAAxB,EAA2B;AAChCtC,cAAQ,CAAC,CAAD,CAAR,CADgC,CACnB;;AACbU,YAAM,GAF0B,CAEtB;;AACVA,YAAM,GAH0B,CAGtB;;AACVqB,oCAA8B,GAAGpB,OAAO,EAAxC;;AACA,WAAKhN,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGoO,8BAAhB,EAAgDpO,CAAC,EAAjD,EAAqD;AACnD+M,cAAM;AACP,OAP+B,CAO9B;;AACH;;AACDD,WAAO,GAvEE,CAuEE;;AACXT,YAAQ,CAAC,CAAD,CAAR,CAxES,CAwEI;;AACbgC,uBAAmB,GAAGrB,OAAO,EAA7B;AACAsB,6BAAyB,GAAGtB,OAAO,EAAnC;AACAuB,oBAAgB,GAAG/B,QAAQ,CAAC,CAAD,CAA3B;;AACA,QAAI+B,gBAAgB,KAAK,CAAzB,EAA4B;AAC1BlC,cAAQ,CAAC,CAAD,CAAR;AACD,KA9EQ,CA8EP;;;AAEFA,YAAQ,CAAC,CAAD,CAAR,CAhFS,CAgFI;;AACb,QAAIc,WAAW,EAAf,EAAmB;AAAE;AACnBU,yBAAmB,GAAGb,OAAO,EAA7B;AACAc,0BAAoB,GAAGd,OAAO,EAA9B;AACAe,wBAAkB,GAAGf,OAAO,EAA5B;AACAgB,2BAAqB,GAAGhB,OAAO,EAA/B;AACD;;AACD,QAAI4B,UAAU,GAAG,CAAC,CAAD,EAAI,CAAJ,CAAjB;;AACA,QAAIzB,WAAW,EAAf,EAAmB;AACjB;AACA,UAAIA,WAAW,EAAf,EAAmB;AACjB;AACA,YAAM0B,cAAc,GAAGzB,SAAS,EAAhC;;AACA,gBAAQyB,cAAR;AACA,eAAK,CAAL;AAAQD,sBAAU,GAAG,CAAC,CAAD,EAAI,CAAJ,CAAb;AAAqB;;AAC7B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAChC,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAChC,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAChC,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,GAAD,EAAM,EAAN,CAAb;AAAwB;;AACjC,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,CAAD,EAAI,CAAJ,CAAb;AAAqB;;AAC9B,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,CAAD,EAAI,CAAJ,CAAb;AAAqB;;AAC9B,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,CAAD,EAAI,CAAJ,CAAb;AAAqB;;AAC9B,eAAK,GAAL;AAAU;AACRA,wBAAU,GAAG,CAACxB,SAAS,MAAM,CAAf,GAAmBA,SAAS,EAA7B,EAAiCA,SAAS,MAAM,CAAf,GAAmBA,SAAS,EAA7D,CAAb;AACA;AACD;AApBD;AAsBD;AACF;;AACD,WAAO;AACL0B,WAAK,EAAE5C,IAAI,CAAC6C,IAAL,CAAY,CAACV,mBAAmB,GAAG,CAAvB,IAA4B,EAA7B,GAAmCR,mBAAmB,GAAG,CAAzD,GAA6DC,oBAAoB,GAAG,CAA/F,CADF;AAELkB,YAAM,EAAG,CAAC,IAAIT,gBAAL,KAA0BD,yBAAyB,GAAG,CAAtD,IAA2D,EAA5D,GAAmE,CAACC,gBAAgB,GAAG,CAAH,GAAO,CAAxB,KAA8BR,kBAAkB,GAAGC,qBAAnD,CAFtE;AAGLY,gBAAU,EAAEA;AAHP,KAAP;AAKD,G;;SAEDK,a,GAAA,yBAAiB;AACf;AACA,SAAK7B,SAAL,GAFe,CAGf;;AACA,SAAKJ,OAAL,GAJe,CAKf;;AACA,WAAO,KAAKA,OAAL,EAAP;AACD,G;;;;;AAGYtB,mEAAf,E;;ACjTA;;;AAIA;;IAEMwD,6B;;;AACJ,8BAAanL,QAAb,EAAuBC,MAAvB,EAA+BmL,WAA/B,EAA4CC,UAA5C,EAAwD;AACtD,SAAKD,WAAL,GAAmBA,WAAnB;AACA,SAAKC,UAAL,GAAkBA,UAAlB;AACA,SAAKC,SAAL,GAAiB,IAAIvL,0BAAJ,CAAcC,QAAd,EAAwBC,MAAxB,EAAgC;AAAE9B,wBAAkB,EAAE;AAAtB,KAAhC,CAAjB;AACD;;;;SAEDoN,a,GAAA,uBAAeC,aAAf,EAA8B9K,QAA9B,EAAwC;AACtC,SAAK4K,SAAL,CAAehR,OAAf,CAAuBkR,aAAvB,EAAsC,KAAKJ,WAAL,CAAiB5Q,GAAjB,CAAqBM,MAA3D,EAAmE,KAAKsQ,WAAL,CAAiBhR,EAAjB,CAAoBU,MAAvF,EAA+F4F,QAA/F;AACD,G,CAED;;;SACA+K,gB,GAAA,0BAAkB/G,OAAlB,EAA2BgH,WAA3B,EAAwChL,QAAxC,EAAkDiL,IAAlD,EAAwD;AACtD,QAAIC,OAAO,GAAGlH,OAAO,CAACgH,WAAD,CAAP,CAAqBnH,IAAnC;AACA,QAAIiH,aAAa,GAAGI,OAAO,CAACpH,QAAR,CAAiB,EAAjB,EAAqBoH,OAAO,CAACtO,MAAR,GAAiBsO,OAAO,CAACtO,MAAR,GAAiB,EAAvD,CAApB;AACA,QAAIuO,eAAe,GAAGL,aAAa,CAAC1Q,MAAd,CAAqBM,KAArB,CACpBoQ,aAAa,CAACM,UADM,EAEpBN,aAAa,CAACM,UAAd,GAA2BN,aAAa,CAAClO,MAFrB,CAAtB;AAIA,QAAIyO,SAAS,GAAG,IAAhB;AACA,SAAKR,aAAL,CAAmBM,eAAnB,EAAoC,UAAUG,aAAV,EAAyB;AAC3DA,mBAAa,GAAG,IAAI/D,UAAJ,CAAe+D,aAAf,CAAhB;AACAJ,aAAO,CAACvD,GAAR,CAAY2D,aAAZ,EAA2B,EAA3B;;AAEA,UAAI,CAACL,IAAL,EAAW;AACTI,iBAAS,CAACE,iBAAV,CAA4BvH,OAA5B,EAAqCgH,WAAW,GAAG,CAAnD,EAAsDhL,QAAtD;AACD;AACF,KAPD;AAQD,G;;SAEDuL,iB,GAAA,2BAAmBvH,OAAnB,EAA4BgH,WAA5B,EAAyChL,QAAzC,EAAmD;AACjD,YAAQgL,WAAW,EAAnB,EAAuB;AACrB,UAAIA,WAAW,IAAIhH,OAAO,CAACpH,MAA3B,EAAmC;AACjCoD,gBAAQ;AACR;AACD;;AAED,UAAIgE,OAAO,CAACgH,WAAD,CAAP,CAAqBnH,IAArB,CAA0BjH,MAA1B,GAAmC,EAAvC,EAA2C;AACzC;AACD;;AAED,UAAIqO,IAAI,GAAG,KAAKL,SAAL,CAAe9K,MAAf,EAAX;AAEA,WAAKiL,gBAAL,CAAsB/G,OAAtB,EAA+BgH,WAA/B,EAA4ChL,QAA5C,EAAsDiL,IAAtD;;AAEA,UAAI,CAACA,IAAL,EAAW;AACT;AACD;AACF;AACF,G,CAED;;;SACAO,mB,GAAA,6BAAqBC,WAArB,EAAkC;AAChC,QAAIC,gBAAgB,GAAGjE,IAAI,CAACkE,KAAL,CAAW,CAACF,WAAW,CAAC7O,MAAZ,GAAqB,EAAtB,IAA4B,GAAvC,IAA8C,EAA9C,GAAmD,EAA1E;AACA,QAAIkO,aAAa,GAAG,IAAIc,SAAJ,CAAcF,gBAAd,CAApB;AACA,QAAIG,SAAS,GAAG,CAAhB;;AACA,SAAK,IAAIC,QAAQ,GAAG,EAApB,EAAwBA,QAAQ,IAAIL,WAAW,CAAC7O,MAAZ,GAAqB,EAAzD,EAA6DkP,QAAQ,IAAI,GAAZ,EAAiBD,SAAS,IAAI,EAA3F,EAA+F;AAC7Ff,mBAAa,CAACnD,GAAd,CAAkB8D,WAAW,CAAC3H,QAAZ,CAAqBgI,QAArB,EAA+BA,QAAQ,GAAG,EAA1C,CAAlB,EAAiED,SAAjE;AACD;;AAED,WAAOf,aAAP;AACD,G;;SAEDiB,mB,GAAA,6BAAqBN,WAArB,EAAkCH,aAAlC,EAAiD;AAC/CA,iBAAa,GAAG,IAAI/D,UAAJ,CAAe+D,aAAf,CAAhB;AACA,QAAIQ,QAAQ,GAAG,CAAf;;AACA,SAAK,IAAID,SAAS,GAAG,EAArB,EAAyBA,SAAS,IAAIJ,WAAW,CAAC7O,MAAZ,GAAqB,EAA3D,EAA+DiP,SAAS,IAAI,GAAb,EAAkBC,QAAQ,IAAI,EAA7F,EAAiG;AAC/FL,iBAAW,CAAC9D,GAAZ,CAAgB2D,aAAa,CAACxH,QAAd,CAAuBgI,QAAvB,EAAiCA,QAAQ,GAAG,EAA5C,CAAhB,EAAiED,SAAjE;AACD;;AAED,WAAOJ,WAAP;AACD,G;;SAEDO,gB,GAAA,0BAAkBhI,OAAlB,EAA2BgH,WAA3B,EAAwCiB,SAAxC,EAAmDjM,QAAnD,EAA6DkL,OAA7D,EAAsED,IAAtE,EAA4E;AAC1E,QAAIQ,WAAW,GAAG,KAAKd,UAAL,CAAgBO,OAAO,CAACrR,IAAxB,CAAlB;AACA,QAAIiR,aAAa,GAAG,KAAKU,mBAAL,CAAyBC,WAAzB,CAApB;AACA,QAAIJ,SAAS,GAAG,IAAhB;AAEA,SAAKR,aAAL,CAAmBC,aAAa,CAAC1Q,MAAjC,EAAyC,UAAUkR,aAAV,EAAyB;AAChEJ,aAAO,CAACrR,IAAR,GAAewR,SAAS,CAACU,mBAAV,CAA8BN,WAA9B,EAA2CH,aAA3C,CAAf;;AAEA,UAAI,CAACL,IAAL,EAAW;AACTI,iBAAS,CAACa,iBAAV,CAA4BlI,OAA5B,EAAqCgH,WAArC,EAAkDiB,SAAS,GAAG,CAA9D,EAAiEjM,QAAjE;AACD;AACF,KAND;AAOD,G;;SAEDkM,iB,GAAA,2BAAmBlI,OAAnB,EAA4BgH,WAA5B,EAAyCiB,SAAzC,EAAoDjM,QAApD,EAA8D;AAC5D,YAAQgL,WAAW,IAAIiB,SAAS,GAAG,CAAnC,EAAsC;AACpC,UAAIjB,WAAW,IAAIhH,OAAO,CAACpH,MAA3B,EAAmC;AACjCoD,gBAAQ;AACR;AACD;;AAED,UAAImM,QAAQ,GAAGnI,OAAO,CAACgH,WAAD,CAAP,CAAqBoB,KAApC;;AACA,cAAQH,SAAS,EAAjB,EAAqB;AACnB,YAAIA,SAAS,IAAIE,QAAQ,CAACvP,MAA1B,EAAkC;AAChC;AACD;;AAED,YAAIsO,OAAO,GAAGiB,QAAQ,CAACF,SAAD,CAAtB;;AACA,YAAIf,OAAO,CAACtO,MAAR,IAAkB,EAAlB,IAAyBsO,OAAO,CAAClK,IAAR,KAAiB,CAAjB,IAAsBkK,OAAO,CAAClK,IAAR,KAAiB,CAApE,EAAwE;AACtE;AACD;;AAED,YAAIiK,IAAI,GAAG,KAAKL,SAAL,CAAe9K,MAAf,EAAX;AAEA,aAAKkM,gBAAL,CAAsBhI,OAAtB,EAA+BgH,WAA/B,EAA4CiB,SAA5C,EAAuDjM,QAAvD,EAAiEkL,OAAjE,EAA0ED,IAA1E;;AAEA,YAAI,CAACA,IAAL,EAAW;AACT;AACD;AACF;AACF;AACF,G;;;;;AAGYR,4EAAf,E;;AC3HA;;;;;;;;;;AAWA;AACA;AACA;AACA;CAEA;;AACA;AACA;CAGA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AACA,IAAM4B,oBAAoB,GAAG;AAC3BC,OAAK,EAAE,CADoB;AAE3BC,OAAK,EAAE,CAFoB;AAG3BC,KAAG,EAAE,CAHsB;AAI3BC,MAAI,EAAE;AAJqB,CAA7B;;IAOMC,mB;;;AACJ,qBAAapN,QAAb,EAAuB8E,OAAvB,EAAgC7E,MAAhC,EAAwCoN,aAAxC,EAAuD;AACrD,SAAKrN,QAAL,GAAgBA,QAAhB;AACA,SAAKC,MAAL,GAAcA,MAAd;AACA,SAAKoN,aAAL,GAAqBA,aAArB;AACA,SAAKvI,OAAL,GAAeA,OAAf;AACA,SAAKwI,SAAL,GAAiB,IAAjB;AACD;;;;SAEDC,c,GAAA,wBAAgBnC,WAAhB,EAA6B;AAC3B,QAAKA,WAAW,IAAI,IAAhB,IAA0BA,WAAW,CAAC5Q,GAAZ,IAAmB,IAA7C,IAAuD4Q,WAAW,CAACoC,MAAZ,KAAuB,YAAlF,EAAiG;AAC/F,WAAKF,SAAL,GAAiB,IAAInC,UAAJ,CAAuB,KAAKnL,QAA5B,EAAsC,KAAKC,MAA3C,EAAmDmL,WAAnD,EAAgE,KAAKC,UAArE,CAAjB;AACD,KAFD,MAEO;AACL,WAAKiC,SAAL,GAAiB,IAAjB;AACD;AACF,G;;YAEM9J,K,GAAP,eAAcjJ,IAAd,EAAoB;AAClB,QAAMkT,UAAU,GAAGL,SAAS,CAACM,WAAV,CAAsBnT,IAAtB,CAAnB;;AACA,QAAIkT,UAAU,GAAG,CAAjB,EAAoB;AAClB,aAAO,KAAP;AACD,KAFD,MAEO;AACL,UAAIA,UAAJ,EAAgB;AACd9M,wBAAM,CAACgN,IAAP,2DAAoEF,UAApE;AACD;;AAED,aAAO,IAAP;AACD;AACF,G;;YAEMC,W,GAAP,qBAAoBnT,IAApB,EAA0B;AACxB;AACA,QAAMqT,UAAU,GAAGzF,IAAI,CAACC,GAAL,CAAS,IAAT,EAAe7N,IAAI,CAAC+C,MAAL,GAAc,IAAI,GAAjC,CAAnB;AACA,QAAIrB,CAAC,GAAG,CAAR;;AACA,WAAOA,CAAC,GAAG2R,UAAX,EAAuB;AACrB;AACA,UAAIrT,IAAI,CAAC0B,CAAD,CAAJ,KAAY,IAAZ,IAAoB1B,IAAI,CAAC0B,CAAC,GAAG,GAAL,CAAJ,KAAkB,IAAtC,IAA8C1B,IAAI,CAAC0B,CAAC,GAAG,IAAI,GAAT,CAAJ,KAAsB,IAAxE,EAA8E;AAC5E,eAAOA,CAAP;AACD,OAFD,MAEO;AACLA,SAAC;AACF;AACF;;AACD,WAAO,CAAC,CAAR;AACD;AAED;;;;;;;;;YAOO4R,W,GAAP,qBAAoBnM,IAApB,EAA0BwD,QAA1B,EAAoC;AAClC,WAAO;AACLE,eAAS,EAAE1D,IAAI,KAAK,OAAT,IAAoBA,IAAI,KAAK,OAA7B,GAAuC,YAAvC,GAAsD9B,SAD5D;AAEL8B,UAAI,EAAJA,IAFK;AAGL2D,QAAE,EAAE0H,oBAAoB,CAACrL,IAAD,CAHnB;AAILoM,SAAG,EAAE,CAAC,CAJD;AAKLrI,oBAAc,EAAE,KALX;AAMLH,oBAAc,EAAE,CANX;AAOLZ,aAAO,EAAE,EAPJ;AAQLqJ,aAAO,EAAErM,IAAI,KAAK,OAAT,GAAmB,CAAnB,GAAuB9B,SAR3B;AASL2F,WAAK,EAAE7D,IAAI,KAAK,OAAT,GAAmB,IAAnB,GAA0B9B,SAT5B;AAULsF,cAAQ,EAAExD,IAAI,KAAK,OAAT,GAAmBwD,QAAnB,GAA8BtF;AAVnC,KAAP;AAYD;AAED;;;;;;;;;;;;SAUAmF,gB,GAAA,0BAAkBC,WAAlB,EAA+B7C,UAA/B,EAA2C8C,UAA3C,EAAuDC,QAAvD,EAAiE;AAC/D,SAAK8I,SAAL,GAAiB,KAAjB;AACA,SAAKC,MAAL,GAAc,CAAC,CAAf;AAEA,SAAKC,SAAL,GAAiBd,SAAS,CAACS,WAAV,CAAsB,OAAtB,EAA+B3I,QAA/B,CAAjB;AACA,SAAKC,WAAL,GAAmBiI,SAAS,CAACS,WAAV,CAAsB,OAAtB,EAA+B3I,QAA/B,CAAnB;AACA,SAAKiJ,SAAL,GAAiBf,SAAS,CAACS,WAAV,CAAsB,KAAtB,EAA6B3I,QAA7B,CAAjB;AACA,SAAKkJ,SAAL,GAAiBhB,SAAS,CAACS,WAAV,CAAsB,MAAtB,EAA8B3I,QAA9B,CAAjB,CAP+D,CAS/D;;AACA,SAAKmJ,WAAL,GAAmB,IAAnB;AACA,SAAKC,UAAL,GAAkB,IAAlB;AACA,SAAKC,SAAL,GAAiB,IAAjB;AACA,SAAKpM,UAAL,GAAkBA,UAAlB;AACA,SAAK8C,UAAL,GAAkBA,UAAlB;AACA,SAAKuJ,SAAL,GAAiBtJ,QAAjB;AACD;AAED;;;;;;SAIAQ,c,GAAA,0BAAkB,CAAE,C,CAEpB;;;SACAK,M,GAAA,gBAAQxL,IAAR,EAAcyL,UAAd,EAA0BC,UAA1B,EAAsCC,kBAAtC,EAA0D;AACxD,QAAIuI,KAAJ;AAAA,QAAWjJ,GAAG,GAAGjL,IAAI,CAAC+C,MAAtB;AAAA,QAA8BoR,GAA9B;AAAA,QAAmCZ,GAAnC;AAAA,QAAwCa,GAAxC;AAAA,QAA6CtR,MAA7C;AAAA,QAAqDuR,GAArD;AAAA,QACEC,WAAW,GAAG,KADhB;AAEA,SAAK5I,UAAL,GAAkBA,UAAlB;;AACA,QAAI+H,SAAS,GAAG,KAAKA,SAArB;AAAA,QACEc,QAAQ,GAAG,KAAKZ,SADlB;AAAA,QAEEa,UAAU,GAAG,KAAK5J,WAFpB;AAAA,QAGE6J,QAAQ,GAAG,KAAKb,SAHlB;AAAA,QAIEc,KAAK,GAAGH,QAAQ,CAAChB,GAJnB;AAAA,QAKEoB,OAAO,GAAGH,UAAU,CAACjB,GALvB;AAAA,QAMEqB,KAAK,GAAGH,QAAQ,CAAClB,GANnB;AAAA,QAOEsB,KAAK,GAAG,KAAKnB,MAPf;AAAA,QAQEoB,OAAO,GAAGP,QAAQ,CAACQ,OARrB;AAAA,QASEC,SAAS,GAAGR,UAAU,CAACO,OATzB;AAAA,QAUE3J,OAAO,GAAGqJ,QAAQ,CAACM,OAVrB;AAAA,QAWEE,QAAQ,GAAG,KAAKC,SAXlB;AAAA,QAYEC,QAAQ,GAAG,KAAKC,SAZlB;AAAA,QAaEC,QAAQ,GAAG,KAAKC,SAblB;AAAA,QAcEC,WAAW,GAAG,KAAKC,YAAL,CAAkBrF,IAAlB,CAAuB,IAAvB,CAdhB;AAAA,QAeEsF,WAAW,GAAG,KAAKC,YAAL,CAAkBvF,IAAlB,CAAuB,IAAvB,CAfhB;AAAA,QAgBEwF,YAAY,GAAG,KAAKC,aAAL,CAAmBzF,IAAnB,CAAwB,IAAxB,CAhBjB;AAAA,QAiBE0F,WAAW,GAAG,KAAKC,YAAL,CAAkB3F,IAAlB,CAAuB,IAAvB,CAjBhB;;AAmBA,QAAM+C,UAAU,GAAGL,SAAS,CAACM,WAAV,CAAsBnT,IAAtB,CAAnB,CAvBwD,CAyBxD;;;AACAiL,OAAG,IAAI,CAACA,GAAG,GAAGiI,UAAP,IAAqB,GAA5B,CA1BwD,CA4BxD;;AACA,SAAKgB,KAAK,GAAGhB,UAAb,EAAyBgB,KAAK,GAAGjJ,GAAjC,EAAsCiJ,KAAK,IAAI,GAA/C,EAAoD;AAClD,UAAIlU,IAAI,CAACkU,KAAD,CAAJ,KAAgB,IAApB,EAA0B;AACxBC,WAAG,GAAG,CAAC,EAAEnU,IAAI,CAACkU,KAAK,GAAG,CAAT,CAAJ,GAAkB,IAApB,CAAP,CADwB,CAExB;;AACAX,WAAG,GAAG,CAAC,CAACvT,IAAI,CAACkU,KAAK,GAAG,CAAT,CAAJ,GAAkB,IAAnB,KAA4B,CAA7B,IAAkClU,IAAI,CAACkU,KAAK,GAAG,CAAT,CAA5C;AACAE,WAAG,GAAG,CAACpU,IAAI,CAACkU,KAAK,GAAG,CAAT,CAAJ,GAAkB,IAAnB,KAA4B,CAAlC,CAJwB,CAKxB;;AACA,YAAIE,GAAG,GAAG,CAAV,EAAa;AACXtR,gBAAM,GAAGoR,KAAK,GAAG,CAAR,GAAYlU,IAAI,CAACkU,KAAK,GAAG,CAAT,CAAzB,CADW,CAEX;;AACA,cAAIpR,MAAM,KAAMoR,KAAK,GAAG,GAAxB,EAA8B;AAC5B;AACD;AACF,SAND,MAMO;AACLpR,gBAAM,GAAGoR,KAAK,GAAG,CAAjB;AACD;;AACD,gBAAQX,GAAR;AACA,eAAKmB,KAAL;AACE,gBAAIP,GAAJ,EAAS;AACP,kBAAIW,OAAO,KAAKT,GAAG,GAAGgB,QAAQ,CAACP,OAAD,CAAnB,CAAX,EAA0C;AACxCS,2BAAW,CAAClB,GAAD,EAAM,KAAN,CAAX;AACD;;AAEDS,qBAAO,GAAG;AAAE9U,oBAAI,EAAE,EAAR;AAAYmO,oBAAI,EAAE;AAAlB,eAAV;AACD;;AACD,gBAAI2G,OAAJ,EAAa;AACXA,qBAAO,CAAC9U,IAAR,CAAaoK,IAAb,CAAkBpK,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBoR,KAAK,GAAG,GAA9B,CAAlB;AACAY,qBAAO,CAAC3G,IAAR,IAAgB+F,KAAK,GAAG,GAAR,GAAcpR,MAA9B;AACD;;AACD;;AACF,eAAK6R,OAAL;AACE,gBAAIR,GAAJ,EAAS;AACP,kBAAIa,SAAS,KAAKX,GAAG,GAAGgB,QAAQ,CAACL,SAAD,CAAnB,CAAb,EAA8C;AAC5C,oBAAIR,UAAU,CAACxJ,KAAf,EAAsB;AACpByK,6BAAW,CAACpB,GAAD,CAAX;AACD,iBAFD,MAEO;AACLsB,8BAAY,CAACtB,GAAD,CAAZ;AACD;AACF;;AACDW,uBAAS,GAAG;AAAEhV,oBAAI,EAAE,EAAR;AAAYmO,oBAAI,EAAE;AAAlB,eAAZ;AACD;;AACD,gBAAI6G,SAAJ,EAAe;AACbA,uBAAS,CAAChV,IAAV,CAAeoK,IAAf,CAAoBpK,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBoR,KAAK,GAAG,GAA9B,CAApB;AACAc,uBAAS,CAAC7G,IAAV,IAAkB+F,KAAK,GAAG,GAAR,GAAcpR,MAAhC;AACD;;AACD;;AACF,eAAK8R,KAAL;AACE,gBAAIT,GAAJ,EAAS;AACP,kBAAI/I,OAAO,KAAKiJ,GAAG,GAAGgB,QAAQ,CAACjK,OAAD,CAAnB,CAAX,EAA0C;AACxCyK,2BAAW,CAACxB,GAAD,CAAX;AACD;;AAEDjJ,qBAAO,GAAG;AAAEpL,oBAAI,EAAE,EAAR;AAAYmO,oBAAI,EAAE;AAAlB,eAAV;AACD;;AACD,gBAAI/C,OAAJ,EAAa;AACXA,qBAAO,CAACpL,IAAR,CAAaoK,IAAb,CAAkBpK,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBoR,KAAK,GAAG,GAA9B,CAAlB;AACA9I,qBAAO,CAAC+C,IAAR,IAAgB+F,KAAK,GAAG,GAAR,GAAcpR,MAA9B;AACD;;AACD;;AACF,eAAK,CAAL;AACE,gBAAIqR,GAAJ,EAAS;AACPrR,oBAAM,IAAI9C,IAAI,CAAC8C,MAAD,CAAJ,GAAe,CAAzB;AACD;;AAED+R,iBAAK,GAAG,KAAKnB,MAAL,GAAcuB,QAAQ,CAACjV,IAAD,EAAO8C,MAAP,CAA9B;AACA;;AACF,eAAK+R,KAAL;AACE,gBAAIV,GAAJ,EAAS;AACPrR,oBAAM,IAAI9C,IAAI,CAAC8C,MAAD,CAAJ,GAAe,CAAzB;AACD;;AAED,gBAAIiT,UAAU,GAAGZ,QAAQ,CAACnV,IAAD,EAAO8C,MAAP,EAAe,KAAKgQ,aAAL,CAAmBkD,IAAnB,KAA4B,IAA5B,IAAoC,KAAKlD,aAAL,CAAmBmD,GAAnB,KAA2B,IAA9E,EAAoF,KAAKlD,SAAL,IAAkB,IAAtG,CAAzB,CALF,CAOE;AACA;AACA;AACA;AACA;AACA;;AACA2B,iBAAK,GAAGqB,UAAU,CAACG,GAAnB;;AACA,gBAAIxB,KAAK,GAAG,CAAZ,EAAe;AACbH,sBAAQ,CAAChB,GAAT,GAAemB,KAAf;AACD;;AAEDC,mBAAO,GAAGoB,UAAU,CAACrD,KAArB;;AACA,gBAAIiC,OAAO,GAAG,CAAd,EAAiB;AACfH,wBAAU,CAACjB,GAAX,GAAiBoB,OAAjB;AACAH,wBAAU,CAACxJ,KAAX,GAAmB+K,UAAU,CAAC/K,KAA9B;AACD;;AACD4J,iBAAK,GAAGmB,UAAU,CAACpD,GAAnB;;AACA,gBAAIiC,KAAK,GAAG,CAAZ,EAAe;AACbH,sBAAQ,CAAClB,GAAT,GAAeqB,KAAf;AACD;;AAED,gBAAIN,WAAW,IAAI,CAACb,SAApB,EAA+B;AAC7BrN,8BAAM,CAACC,GAAP,CAAW,wBAAX;AACAiO,yBAAW,GAAG,KAAd,CAF6B,CAG7B;;AACAJ,mBAAK,GAAGhB,UAAU,GAAG,GAArB;AACD;;AACDO,qBAAS,GAAG,KAAKA,SAAL,GAAiB,IAA7B;AACA;;AACF,eAAK,EAAL;AACA,eAAK,MAAL;AACE;;AACF;AACEa,uBAAW,GAAG,IAAd;AACA;AA3FF;AA6FD,OA5GD,MA4GO;AACL,aAAK7O,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACC,KAA5B,EAAmC;AAAEC,cAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,iBAAO,EAAEC,sBAAY,CAACe,kBAAtD;AAA0Eb,eAAK,EAAE,KAAjF;AAAwFC,gBAAM,EAAE;AAAhG,SAAnC;AACD;AACF,KA7IuD,CA8IxD;;;AACA,QAAIoN,OAAO,KAAKT,GAAG,GAAGgB,QAAQ,CAACP,OAAD,CAAnB,CAAX,EAA0C;AACxCS,iBAAW,CAAClB,GAAD,EAAM,IAAN,CAAX;AACAE,cAAQ,CAACQ,OAAT,GAAmB,IAAnB;AACD,KAHD,MAGO;AACL;AACAR,cAAQ,CAACQ,OAAT,GAAmBD,OAAnB;AACD;;AAED,QAAIE,SAAS,KAAKX,GAAG,GAAGgB,QAAQ,CAACL,SAAD,CAAnB,CAAb,EAA8C;AAC5C,UAAIR,UAAU,CAACxJ,KAAf,EAAsB;AACpByK,mBAAW,CAACpB,GAAD,CAAX;AACD,OAFD,MAEO;AACLsB,oBAAY,CAACtB,GAAD,CAAZ;AACD;;AAEDG,gBAAU,CAACO,OAAX,GAAqB,IAArB;AACD,KARD,MAQO;AACL,UAAIC,SAAS,IAAIA,SAAS,CAAC7G,IAA3B,EAAiC;AAC/B/H,wBAAM,CAACC,GAAP,CAAW,+DAAX;AACD,OAHI,CAKL;;;AACAmO,gBAAU,CAACO,OAAX,GAAqBC,SAArB;AACD;;AAED,QAAI5J,OAAO,KAAKiJ,GAAG,GAAGgB,QAAQ,CAACjK,OAAD,CAAnB,CAAX,EAA0C;AACxCyK,iBAAW,CAACxB,GAAD,CAAX;AACAI,cAAQ,CAACM,OAAT,GAAmB,IAAnB;AACD,KAHD,MAGO;AACL;AACAN,cAAQ,CAACM,OAAT,GAAmB3J,OAAnB;AACD;;AAED,QAAI,KAAK2H,SAAL,IAAkB,IAAtB,EAA4B;AAC1B,WAAKxI,OAAL,CAAayB,KAAb,CAAmBwI,UAAnB,EAA+BD,QAA/B,EAAyCE,QAAzC,EAAmD,KAAKZ,SAAxD,EAAmEpI,UAAnE,EAA+EC,UAA/E,EAA2FC,kBAA3F;AACD,KAFD,MAEO;AACL,WAAKwK,eAAL,CAAqB3B,UAArB,EAAiCD,QAAjC,EAA2CE,QAA3C,EAAqD,KAAKZ,SAA1D,EAAqEpI,UAArE,EAAiFC,UAAjF,EAA6FC,kBAA7F;AACD;AACF,G;;SAEDwK,e,GAAA,yBAAiB3B,UAAjB,EAA6B4B,UAA7B,EAAyC3B,QAAzC,EAAmD4B,SAAnD,EAA8D5K,UAA9D,EAA0EC,UAA1E,EAAsFC,kBAAtF,EAA0G;AACxG,QAAI6I,UAAU,CAACrK,OAAX,IAAsBqK,UAAU,CAACxJ,KAArC,EAA4C;AAC1C,UAAIwG,SAAS,GAAG,IAAhB;AACA,WAAKuB,SAAL,CAAerB,iBAAf,CAAiC8C,UAAU,CAACrK,OAA5C,EAAqD,CAArD,EAAwD,YAAY;AAClEqH,iBAAS,CAAC8E,kBAAV,CAA6B9B,UAA7B,EAAyC4B,UAAzC,EAAqD3B,QAArD,EAA+D4B,SAA/D,EAA0E5K,UAA1E,EAAsFC,UAAtF,EAAkGC,kBAAlG;AACD,OAFD;AAGD,KALD,MAKO;AACL,WAAK2K,kBAAL,CAAwB9B,UAAxB,EAAoC4B,UAApC,EAAgD3B,QAAhD,EAA0D4B,SAA1D,EAAqE5K,UAArE,EAAiFC,UAAjF,EAA6FC,kBAA7F;AACD;AACF,G;;SAED2K,kB,GAAA,4BAAoB9B,UAApB,EAAgC4B,UAAhC,EAA4C3B,QAA5C,EAAsD4B,SAAtD,EAAiE5K,UAAjE,EAA6EC,UAA7E,EAAyFC,kBAAzF,EAA6G;AAC3G,QAAIyK,UAAU,CAACjM,OAAf,EAAwB;AACtB,UAAIqH,SAAS,GAAG,IAAhB;AACA,WAAKuB,SAAL,CAAeV,iBAAf,CAAiC+D,UAAU,CAACjM,OAA5C,EAAqD,CAArD,EAAwD,CAAxD,EAA2D,YAAY;AACrEqH,iBAAS,CAACjH,OAAV,CAAkByB,KAAlB,CAAwBwI,UAAxB,EAAoC4B,UAApC,EAAgD3B,QAAhD,EAA0D4B,SAA1D,EAAqE5K,UAArE,EAAiFC,UAAjF,EAA6FC,kBAA7F;AACD,OAFD;AAGD,KALD,MAKO;AACL,WAAKpB,OAAL,CAAayB,KAAb,CAAmBwI,UAAnB,EAA+B4B,UAA/B,EAA2C3B,QAA3C,EAAqD4B,SAArD,EAAgE5K,UAAhE,EAA4EC,UAA5E,EAAwFC,kBAAxF;AACD;AACF,G;;SAEDvG,O,GAAA,mBAAW;AACT,SAAKmR,QAAL,GAAgB,KAAKC,QAAL,GAAgBnR,SAAhC;AACA,SAAK4O,SAAL,GAAiB,CAAjB;AACD,G;;SAEDiB,S,GAAA,mBAAWlV,IAAX,EAAiB8C,MAAjB,EAAyB;AACvB;AACA,WAAO,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,EAAV,CAAJ,GAAoB,IAArB,KAA8B,CAA9B,GAAkC9C,IAAI,CAAC8C,MAAM,GAAG,EAAV,CAA7C,CAFuB,CAGvB;AACD,G;;SAEDsS,S,GAAA,mBAAWpV,IAAX,EAAiB8C,MAAjB,EAAyB2T,aAAzB,EAAwCC,WAAxC,EAAqD;AACnD,QAAIC,aAAJ;AAAA,QAAmBC,QAAnB;AAAA,QAA6BC,iBAA7B;AAAA,QAAgDtD,GAAhD;AAAA,QAAqD1M,MAAM,GAAG;AAAE6L,WAAK,EAAE,CAAC,CAAV;AAAawD,SAAG,EAAE,CAAC,CAAnB;AAAsBvD,SAAG,EAAE,CAAC,CAA5B;AAA+B3H,WAAK,EAAE;AAAtC,KAA9D;AACA2L,iBAAa,GAAG,CAAC3W,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,CAA7B,GAAiC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAArD;AACA8T,YAAQ,GAAG9T,MAAM,GAAG,CAAT,GAAa6T,aAAb,GAA6B,CAAxC,CAHmD,CAInD;AACA;;AACAE,qBAAiB,GAAG,CAAC7W,IAAI,CAAC8C,MAAM,GAAG,EAAV,CAAJ,GAAoB,IAArB,KAA8B,CAA9B,GAAkC9C,IAAI,CAAC8C,MAAM,GAAG,EAAV,CAA1D,CANmD,CAOnD;;AACAA,UAAM,IAAI,KAAK+T,iBAAf;;AACA,WAAO/T,MAAM,GAAG8T,QAAhB,EAA0B;AACxBrD,SAAG,GAAG,CAACvT,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,CAA7B,GAAiC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAA3C;;AACA,cAAQ9C,IAAI,CAAC8C,MAAD,CAAZ;AACA,aAAK,IAAL;AAAW;AACT,cAAI,CAAC4T,WAAL,EAAkB;AAChBtQ,4BAAM,CAACC,GAAP,CAAW,yBAAyBrG,IAAI,CAAC8C,MAAD,CAAxC;AACA;AACD;;AACD;AAEA;;AACF,aAAK,IAAL;AACE;AACA,cAAI+D,MAAM,CAAC6L,KAAP,KAAiB,CAAC,CAAtB,EAAyB;AACvB7L,kBAAM,CAAC6L,KAAP,GAAea,GAAf;AACD;;AAED;AAEA;;AACF,aAAK,IAAL;AACE;AACA,cAAI1M,MAAM,CAAC8L,GAAP,KAAe,CAAC,CAApB,EAAuB;AACrB9L,kBAAM,CAAC8L,GAAP,GAAaY,GAAb;AACD;;AAED;;AAEF,aAAK,IAAL;AAAW;AACT,cAAI,CAACmD,WAAL,EAAkB;AAChBtQ,4BAAM,CAACC,GAAP,CAAW,yBAAyBrG,IAAI,CAAC8C,MAAD,CAAxC;AACA;AACD;;AACD;AAEA;;AACF,aAAK,IAAL;AACE;AACA,cAAI+D,MAAM,CAACqP,GAAP,KAAe,CAAC,CAApB,EAAuB;AACrBrP,kBAAM,CAACqP,GAAP,GAAa3C,GAAb;AACD;;AAED;AAEA;AACA;;AACF,aAAK,IAAL;AACA,aAAK,IAAL;AACE;AACA,cAAI,CAACkD,aAAL,EAAoB;AAClBrQ,4BAAM,CAACC,GAAP,CAAW,yDAAX;AACD,WAFD,MAEO,IAAIQ,MAAM,CAAC6L,KAAP,KAAiB,CAAC,CAAtB,EAAyB;AAC9B7L,kBAAM,CAAC6L,KAAP,GAAea,GAAf;AACA1M,kBAAM,CAACmE,KAAP,GAAe,KAAf;AACD;;AACD;;AAEF,aAAK,IAAL;AACE5E,0BAAM,CAACgN,IAAP,CAAY,+CAAZ;AACA;;AAEF;AACEhN,0BAAM,CAACC,GAAP,CAAW,yBAAyBrG,IAAI,CAAC8C,MAAD,CAAxC;AACA;AA7DF,OAFwB,CAiExB;AACA;;;AACAA,YAAM,IAAI,CAAC,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,CAA7B,GAAiC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAtC,IAAsD,CAAhE;AACD;;AACD,WAAO+D,MAAP;AACD,G;;SAEDyO,S,GAAA,mBAAWwB,MAAX,EAAmB;AACjB,QAAIpV,CAAC,GAAG,CAAR;AAAA,QAAWqV,IAAX;AAAA,QAAiBC,QAAjB;AAAA,QAA2BC,SAA3B;AAAA,QAAsCC,MAAtC;AAAA,QAA8CC,SAA9C;AAAA,QAAyDpC,OAAzD;AAAA,QAAkEqC,MAAlE;AAAA,QAA0EC,MAA1E;AAAA,QAAkFC,kBAAlF;AAAA,QAAsGtX,IAAI,GAAG8W,MAAM,CAAC9W,IAApH,CADiB,CAEjB;;AACA,QAAI,CAAC8W,MAAD,IAAWA,MAAM,CAAC3I,IAAP,KAAgB,CAA/B,EAAkC;AAChC,aAAO,IAAP;AACD,KALgB,CAOjB;AACA;AACA;;;AACA,WAAOnO,IAAI,CAAC,CAAD,CAAJ,CAAQ+C,MAAR,GAAiB,EAAjB,IAAuB/C,IAAI,CAAC+C,MAAL,GAAc,CAA5C,EAA+C;AAC7C,UAAIwU,OAAO,GAAG,IAAI7J,UAAJ,CAAe1N,IAAI,CAAC,CAAD,CAAJ,CAAQ+C,MAAR,GAAiB/C,IAAI,CAAC,CAAD,CAAJ,CAAQ+C,MAAxC,CAAd;AACAwU,aAAO,CAACzJ,GAAR,CAAY9N,IAAI,CAAC,CAAD,CAAhB;AACAuX,aAAO,CAACzJ,GAAR,CAAY9N,IAAI,CAAC,CAAD,CAAhB,EAAqBA,IAAI,CAAC,CAAD,CAAJ,CAAQ+C,MAA7B;AACA/C,UAAI,CAAC,CAAD,CAAJ,GAAUuX,OAAV;AACAvX,UAAI,CAACwX,MAAL,CAAY,CAAZ,EAAe,CAAf;AACD,KAhBgB,CAiBjB;;;AACAT,QAAI,GAAG/W,IAAI,CAAC,CAAD,CAAX;AACAiX,aAAS,GAAG,CAACF,IAAI,CAAC,CAAD,CAAJ,IAAW,EAAZ,KAAmBA,IAAI,CAAC,CAAD,CAAJ,IAAW,CAA9B,IAAmCA,IAAI,CAAC,CAAD,CAAnD;;AACA,QAAIE,SAAS,KAAK,CAAlB,EAAqB;AACnBC,YAAM,GAAG,CAACH,IAAI,CAAC,CAAD,CAAJ,IAAW,CAAZ,IAAiBA,IAAI,CAAC,CAAD,CAA9B,CADmB,CAEnB;AACA;;AACA,UAAIG,MAAM,IAAIA,MAAM,GAAGJ,MAAM,CAAC3I,IAAP,GAAc,CAArC,EAAwC;AACtC,eAAO,IAAP;AACD;;AAED6I,cAAQ,GAAGD,IAAI,CAAC,CAAD,CAAf;;AACA,UAAIC,QAAQ,GAAG,IAAf,EAAqB;AACnB;;;AAGAI,cAAM,GAAG,CAACL,IAAI,CAAC,CAAD,CAAJ,GAAU,IAAX,IAAmB,SAAnB,GAA8B;AACrC,SAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,OADb,GACsB;AAC7B,SAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,KAFb,GAEoB;AAC3B,SAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,GAHb,GAGkB;AACzB,SAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,CAJtB,CAJmB,CASnB;;AACA,YAAIK,MAAM,GAAG,UAAb,EAAyB;AACvB;AACAA,gBAAM,IAAI,UAAV;AACD;;AACD,YAAIJ,QAAQ,GAAG,IAAf,EAAqB;AACnBK,gBAAM,GAAG,CAACN,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,SAApB,GAA+B;AACtC,WAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,OADb,GACsB;AAC7B,WAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,KAFb,GAEoB;AAC3B,WAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,GAHb,GAGkB;AACzB,WAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,CAJtB,CADmB,CAMnB;;AACA,cAAIM,MAAM,GAAG,UAAb,EAAyB;AACvB;AACAA,kBAAM,IAAI,UAAV;AACD;;AACD,cAAID,MAAM,GAAGC,MAAT,GAAkB,KAAK,KAA3B,EAAkC;AAChCjR,4BAAM,CAACgN,IAAP,CAAexF,IAAI,CAAC6J,KAAL,CAAW,CAACL,MAAM,GAAGC,MAAV,IAAoB,KAA/B,CAAf;AACAD,kBAAM,GAAGC,MAAT;AACD;AACF,SAfD,MAeO;AACLA,gBAAM,GAAGD,MAAT;AACD;AACF;;AACDD,eAAS,GAAGJ,IAAI,CAAC,CAAD,CAAhB,CA1CmB,CA2CnB;;AACAO,wBAAkB,GAAGH,SAAS,GAAG,CAAjC;;AAEA,UAAIL,MAAM,CAAC3I,IAAP,IAAemJ,kBAAnB,EAAuC;AACrC,eAAO,IAAP;AACD;;AACDR,YAAM,CAAC3I,IAAP,IAAemJ,kBAAf,CAjDmB,CAkDnB;;AACAvC,aAAO,GAAG,IAAIrH,UAAJ,CAAeoJ,MAAM,CAAC3I,IAAtB,CAAV;;AACA,WAAK,IAAIiB,CAAC,GAAG,CAAR,EAAWsI,OAAO,GAAG1X,IAAI,CAAC+C,MAA/B,EAAuCqM,CAAC,GAAGsI,OAA3C,EAAoDtI,CAAC,EAArD,EAAyD;AACvD2H,YAAI,GAAG/W,IAAI,CAACoP,CAAD,CAAX;AACA,YAAInE,GAAG,GAAG8L,IAAI,CAACtW,UAAf;;AACA,YAAI6W,kBAAJ,EAAwB;AACtB,cAAIA,kBAAkB,GAAGrM,GAAzB,EAA8B;AAC5B;AACAqM,8BAAkB,IAAIrM,GAAtB;AACA;AACD,WAJD,MAIO;AACL;AACA8L,gBAAI,GAAGA,IAAI,CAAC9M,QAAL,CAAcqN,kBAAd,CAAP;AACArM,eAAG,IAAIqM,kBAAP;AACAA,8BAAkB,GAAG,CAArB;AACD;AACF;;AACDvC,eAAO,CAACjH,GAAR,CAAYiJ,IAAZ,EAAkBrV,CAAlB;AACAA,SAAC,IAAIuJ,GAAL;AACD;;AACD,UAAIiM,MAAJ,EAAY;AACV;AACAA,cAAM,IAAIC,SAAS,GAAG,CAAtB;AACD;;AACD,aAAO;AAAEnX,YAAI,EAAE+U,OAAR;AAAiBtL,WAAG,EAAE2N,MAAtB;AAA8BlN,WAAG,EAAEmN,MAAnC;AAA2CpM,WAAG,EAAEiM;AAAhD,OAAP;AACD,KA3ED,MA2EO;AACL,aAAO,IAAP;AACD;AACF,G;;SAEDS,a,GAAA,uBAAe3D,SAAf,EAA0BO,QAA1B,EAAoC;AAClC,QAAIP,SAAS,CAACzB,KAAV,CAAgBxP,MAAhB,IAA0BiR,SAAS,CAACjI,KAAxC,EAA+C;AAC7C,UAAM5B,OAAO,GAAGoK,QAAQ,CAACpK,OAAzB;AACA,UAAMyN,SAAS,GAAGzN,OAAO,CAACpH,MAA1B,CAF6C,CAG7C;;AACA,UAAI8U,KAAK,CAAC7D,SAAS,CAACvK,GAAX,CAAT,EAA0B;AACxB,YAAImO,SAAJ,EAAe;AACb,cAAME,UAAU,GAAG3N,OAAO,CAACyN,SAAS,GAAG,CAAb,CAA1B;AACA5D,mBAAS,CAACvK,GAAV,GAAgBqO,UAAU,CAACrO,GAA3B;AACAuK,mBAAS,CAAC9J,GAAV,GAAgB4N,UAAU,CAAC5N,GAA3B;AACD,SAJD,MAIO;AACL;AACAqK,kBAAQ,CAACf,OAAT;AACA;AACD;AACF,OAd4C,CAe7C;AACA;AACA;AACA;;;AACA,UAAI,CAAC,KAAK9N,MAAL,CAAYqS,4BAAb,IACA/D,SAAS,CAAC/T,GAAV,KAAkB,IADlB,IAECsU,QAAQ,CAACyD,GAAT,KAAiBJ,SAAS,IAAI,KAAKlM,UAAnC,CAFL,EAEsD;AACpDsI,iBAAS,CAAClJ,EAAV,GAAe8M,SAAf;AACAzN,eAAO,CAACC,IAAR,CAAa4J,SAAb;AACD,OALD,MAKO;AACL;AACAO,gBAAQ,CAACf,OAAT;AACD;AACF;;AACD,QAAIQ,SAAS,CAACiE,KAAV,CAAgBlV,MAApB,EAA4B;AAC1BqD,sBAAM,CAACC,GAAP,CAAW2N,SAAS,CAACvK,GAAV,GAAgB,GAAhB,GAAsBuK,SAAS,CAAC9J,GAAhC,GAAsC,GAAtC,GAA4C8J,SAAS,CAACiE,KAAjE;AACD;AACF,G;;SAEDzC,Y,GAAA,sBAAcnB,GAAd,EAAmB6D,IAAnB,EAAyB;AAAA;;AACvB;AACA,QAAI5O,KAAK,GAAG,KAAKqK,SAAjB;AAAA,QACEpB,KAAK,GAAG,KAAK4F,aAAL,CAAmB9D,GAAG,CAACrU,IAAvB,CADV;AAAA,QAEEiY,KAAK,GAAG,KAFV;AAAA,QAGEG,gBAHF;AAAA,QAIEpE,SAAS,GAAG,KAAKA,SAJnB;AAAA,QAKE5J,IALF;AAAA,QAMEiO,QAAQ,GAAG,KANb;AAAA,QAOE3W,CAPF;AAAA,QAQEiW,aAAa,GAAG,KAAKA,aAAL,CAAmBxH,IAAnB,CAAwB,IAAxB,CARlB;AAAA,QASEmI,eAAe,GAAG,SAAlBA,eAAkB,CAAUrY,GAAV,EAAewJ,GAAf,EAAoBS,GAApB,EAAyB+N,KAAzB,EAAgC;AAChD,aAAO;AAAEhY,WAAG,EAAEA,GAAP;AAAYwJ,WAAG,EAAEA,GAAjB;AAAsBS,WAAG,EAAEA,GAA3B;AAAgCqI,aAAK,EAAE,EAAvC;AAA2C0F,aAAK,EAAEA;AAAlD,OAAP;AACD,KAXH,CAFuB,CAcvB;;;AACA5D,OAAG,CAACrU,IAAJ,GAAW,IAAX,CAfuB,CAiBvB;AACA;;AACA,QAAIgU,SAAS,IAAIzB,KAAK,CAACxP,MAAnB,IAA6B,CAACuG,KAAK,CAACiP,QAAxC,EAAkD;AAChDZ,mBAAa,CAAC3D,SAAD,EAAY1K,KAAZ,CAAb;AACA0K,eAAS,GAAG,KAAKA,SAAL,GAAiBsE,eAAe,CAAC,KAAD,EAAQjE,GAAG,CAAC5K,GAAZ,EAAiB4K,GAAG,CAACnK,GAArB,EAA0B,EAA1B,CAA5C;AACD;;AAEDqI,SAAK,CAACiG,OAAN,CAAc,UAAAxO,IAAI,EAAI;AACpB,cAAQA,IAAI,CAAC7C,IAAb;AACA;AACA,aAAK,CAAL;AACEiD,cAAI,GAAG,IAAP;;AACA,cAAI,CAAC4J,SAAL,EAAgB;AACdA,qBAAS,GAAG,KAAI,CAACA,SAAL,GAAiBsE,eAAe,CAAC,IAAD,EAAOjE,GAAG,CAAC5K,GAAX,EAAgB4K,GAAG,CAACnK,GAApB,EAAyB,EAAzB,CAA5C;AACD;;AAED,cAAI+N,KAAJ,EAAW;AACTjE,qBAAS,CAACiE,KAAV,IAAmB,MAAnB;AACD;;AAEDjE,mBAAS,CAACjI,KAAV,GAAkB,IAAlB;AACA,cAAI/L,IAAI,GAAGgK,IAAI,CAAChK,IAAhB,CAXF,CAYE;;AACA,cAAIqY,QAAQ,IAAIrY,IAAI,CAAC+C,MAAL,GAAc,CAA9B,EAAiC;AAC/B;AACA,gBAAI0V,SAAS,GAAG,IAAIrL,UAAJ,CAAcpN,IAAd,EAAoB2Q,aAApB,EAAhB,CAF+B,CAG/B;AACA;AACA;AACA;AACA;;AACA,gBAAI8H,SAAS,KAAK,CAAd,IAAmBA,SAAS,KAAK,CAAjC,IAAsCA,SAAS,KAAK,CAApD,IAAyDA,SAAS,KAAK,CAA3E,EAA8E;AAC5EzE,uBAAS,CAAC/T,GAAV,GAAgB,IAAhB;AACD;AACF;;AACD;AACA;;AACF,aAAK,CAAL;AACEmK,cAAI,GAAG,IAAP,CADF,CAEE;;AACA,cAAI,CAAC4J,SAAL,EAAgB;AACdA,qBAAS,GAAG,KAAI,CAACA,SAAL,GAAiBsE,eAAe,CAAC,IAAD,EAAOjE,GAAG,CAAC5K,GAAX,EAAgB4K,GAAG,CAACnK,GAApB,EAAyB,EAAzB,CAA5C;AACD;;AAED,cAAI+N,KAAJ,EAAW;AACTjE,qBAAS,CAACiE,KAAV,IAAmB,MAAnB;AACD;;AAEDjE,mBAAS,CAAC/T,GAAV,GAAgB,IAAhB;AACA+T,mBAAS,CAACjI,KAAV,GAAkB,IAAlB;AACA;AACA;;AACF,aAAK,CAAL;AACE3B,cAAI,GAAG,IAAP;;AACA,cAAI6N,KAAK,IAAIjE,SAAb,EAAwB;AACtBA,qBAAS,CAACiE,KAAV,IAAmB,MAAnB;AACD;;AAEDG,0BAAgB,GAAG,IAAIhL,UAAJ,CAAc,KAAI,CAAC0D,UAAL,CAAgB9G,IAAI,CAAChK,IAArB,CAAd,CAAnB,CANF,CAQE;;AACAoY,0BAAgB,CAACtJ,SAAjB;AAEA,cAAI4J,WAAW,GAAG,CAAlB;AACA,cAAIC,WAAW,GAAG,CAAlB;AACA,cAAIC,aAAa,GAAG,KAApB;AACA,cAAIC,CAAC,GAAG,CAAR;;AAEA,iBAAO,CAACD,aAAD,IAAkBR,gBAAgB,CAAC/K,cAAjB,GAAkC,CAA3D,EAA8D;AAC5DqL,uBAAW,GAAG,CAAd;;AACA,eAAG;AACDG,eAAC,GAAGT,gBAAgB,CAACtJ,SAAjB,EAAJ;AACA4J,yBAAW,IAAIG,CAAf;AACD,aAHD,QAGSA,CAAC,KAAK,IAHf,EAF4D,CAO5D;;;AACAF,uBAAW,GAAG,CAAd;;AACA,eAAG;AACDE,eAAC,GAAGT,gBAAgB,CAACtJ,SAAjB,EAAJ;AACA6J,yBAAW,IAAIE,CAAf;AACD,aAHD,QAGSA,CAAC,KAAK,IAHf,EAT4D,CAc5D;AACA;;;AACA,gBAAIH,WAAW,KAAK,CAAhB,IAAqBN,gBAAgB,CAAC/K,cAAjB,KAAoC,CAA7D,EAAgE;AAC9DuL,2BAAa,GAAG,IAAhB;AAEA,kBAAIE,WAAW,GAAGV,gBAAgB,CAACtJ,SAAjB,EAAlB;;AAEA,kBAAIgK,WAAW,KAAK,GAApB,EAAyB;AACvB,oBAAIC,YAAY,GAAGX,gBAAgB,CAACrJ,UAAjB,EAAnB;;AAEA,oBAAIgK,YAAY,KAAK,EAArB,EAAyB;AACvB,sBAAIC,aAAa,GAAGZ,gBAAgB,CAACpJ,QAAjB,EAApB;;AAEA,sBAAIgK,aAAa,KAAK,UAAtB,EAAkC;AAChC,wBAAIC,YAAY,GAAGb,gBAAgB,CAACtJ,SAAjB,EAAnB,CADgC,CAGhC;;AACA,wBAAImK,YAAY,KAAK,CAArB,EAAwB;AACtB,0BAAIC,SAAS,GAAGd,gBAAgB,CAACtJ,SAAjB,EAAhB;AACA,0BAAIqK,UAAU,GAAGf,gBAAgB,CAACtJ,SAAjB,EAAjB;AAEA,0BAAIsK,QAAQ,GAAG,KAAKF,SAApB;AACA,0BAAIG,SAAS,GAAG,CAACH,SAAD,EAAYC,UAAZ,CAAhB;;AAEA,2BAAKzX,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG0X,QAAhB,EAA0B1X,CAAC,EAA3B,EAA+B;AAC7B;AACA2X,iCAAS,CAACjP,IAAV,CAAegO,gBAAgB,CAACtJ,SAAjB,EAAf;AACAuK,iCAAS,CAACjP,IAAV,CAAegO,gBAAgB,CAACtJ,SAAjB,EAAf;AACAuK,iCAAS,CAACjP,IAAV,CAAegO,gBAAgB,CAACtJ,SAAjB,EAAf;AACD;;AAED,2BAAI,CAACwK,oBAAL,CAA0B,KAAI,CAACzF,SAAL,CAAe1J,OAAzC,EAAkD;AAAEhD,4BAAI,EAAE,CAAR;AAAWsC,2BAAG,EAAE4K,GAAG,CAAC5K,GAApB;AAAyB8P,6BAAK,EAAEF;AAAhC,uBAAlD;AACD;AACF;AACF;AACF;AACF,aAlCD,MAkCO,IAAIX,WAAW,KAAK,CAAhB,IAAqBN,gBAAgB,CAAC/K,cAAjB,KAAoC,CAA7D,EAAgE;AACrEuL,2BAAa,GAAG,IAAhB;;AAEA,kBAAID,WAAW,GAAG,EAAlB,EAAsB;AACpB,oBAAMa,YAAY,GAAG,EAArB;;AACA,qBAAK9X,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG,EAAhB,EAAoBA,CAAC,EAArB,EAAyB;AACvB8X,8BAAY,CAACpP,IAAb,CAAkBgO,gBAAgB,CAACtJ,SAAjB,GAA6B2K,QAA7B,CAAsC,EAAtC,CAAlB;;AAEA,sBAAI/X,CAAC,KAAK,CAAN,IAAWA,CAAC,KAAK,CAAjB,IAAsBA,CAAC,KAAK,CAA5B,IAAiCA,CAAC,KAAK,CAA3C,EAA8C;AAC5C8X,gCAAY,CAACpP,IAAb,CAAkB,GAAlB;AACD;AACF;;AACD,oBAAMrH,MAAM,GAAG4V,WAAW,GAAG,EAA7B;AACA,oBAAMe,oBAAoB,GAAG,IAAIhM,UAAJ,CAAe3K,MAAf,CAA7B;;AACA,qBAAKrB,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGqB,MAAhB,EAAwBrB,CAAC,EAAzB,EAA6B;AAC3BgY,sCAAoB,CAAChY,CAAD,CAApB,GAA0B0W,gBAAgB,CAACtJ,SAAjB,EAA1B;AACD;;AAED,qBAAI,CAACwK,oBAAL,CAA0B,KAAI,CAACzF,SAAL,CAAe1J,OAAzC,EAAkD;AAChDV,qBAAG,EAAE4K,GAAG,CAAC5K,GADuC;AAEhDiP,6BAAW,EAAEA,WAFmC;AAGhDiB,sBAAI,EAAEH,YAAY,CAACI,IAAb,CAAkB,EAAlB,CAH0C;AAIhDC,+BAAa,EAAEH,oBAJiC;AAKhDI,0BAAQ,EAAEC,6BAAc,CAACL,oBAAoB,CAACnZ,MAAtB;AALwB,iBAAlD;AAOD;AACF,aA1BM,MA0BA,IAAIoY,WAAW,GAAGP,gBAAgB,CAAC/K,cAAnC,EAAmD;AACxD,mBAAK3L,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGiX,WAAhB,EAA6BjX,CAAC,EAA9B,EAAkC;AAChC0W,gCAAgB,CAACtJ,SAAjB;AACD;AACF;AACF;;AACD;AACA;;AACF,aAAK,CAAL;AACE1E,cAAI,GAAG,IAAP;AACAiO,kBAAQ,GAAG,IAAX;;AACA,cAAIJ,KAAK,IAAIjE,SAAb,EAAwB;AACtBA,qBAAS,CAACiE,KAAV,IAAmB,MAAnB;AACD;;AAED,cAAI,CAAC3O,KAAK,CAAC0O,GAAX,EAAgB;AACdI,4BAAgB,GAAG,IAAIhL,UAAJ,CAAcpD,IAAI,CAAChK,IAAnB,CAAnB;AACA,gBAAI0F,MAAM,GAAG0S,gBAAgB,CAAC9I,OAAjB,EAAb;AACAhG,iBAAK,CAACkH,KAAN,GAAc9K,MAAM,CAAC8K,KAArB;AACAlH,iBAAK,CAACoH,MAAN,GAAehL,MAAM,CAACgL,MAAtB;AACApH,iBAAK,CAACgH,UAAN,GAAmB5K,MAAM,CAAC4K,UAA1B;AACAhH,iBAAK,CAAC0O,GAAN,GAAY,CAAChO,IAAI,CAAChK,IAAN,CAAZ;AACAsJ,iBAAK,CAACqB,QAAN,GAAiB,KAAI,CAACsJ,SAAtB;AACA,gBAAI+F,UAAU,GAAGhQ,IAAI,CAAChK,IAAL,CAAUiK,QAAV,CAAmB,CAAnB,EAAsB,CAAtB,CAAjB;AACA,gBAAIgQ,WAAW,GAAG,OAAlB;;AACA,iBAAKvY,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG,CAAhB,EAAmBA,CAAC,EAApB,EAAwB;AACtB,kBAAIwY,CAAC,GAAGF,UAAU,CAACtY,CAAD,CAAV,CAAc+X,QAAd,CAAuB,EAAvB,CAAR;;AACA,kBAAIS,CAAC,CAACnX,MAAF,GAAW,CAAf,EAAkB;AAChBmX,iBAAC,GAAG,MAAMA,CAAV;AACD;;AAEDD,yBAAW,IAAIC,CAAf;AACD;;AACD5Q,iBAAK,CAACV,KAAN,GAAcqR,WAAd;AACD;;AACD;AACA;;AACF,aAAK,CAAL;AACE7P,cAAI,GAAG,IAAP;;AACA,cAAI6N,KAAK,IAAIjE,SAAb,EAAwB;AACtBA,qBAAS,CAACiE,KAAV,IAAmB,MAAnB;AACD;;AAED,cAAI,CAAC3O,KAAK,CAAC6Q,GAAX,EAAgB;AACd7Q,iBAAK,CAAC6Q,GAAN,GAAY,CAACnQ,IAAI,CAAChK,IAAN,CAAZ;AACD;;AAED;AACA;;AACF,aAAK,CAAL;AACEoK,cAAI,GAAG,KAAP;AACAd,eAAK,CAACiP,QAAN,GAAiB,IAAjB;;AACA,cAAIvE,SAAJ,EAAe;AACb2D,yBAAa,CAAC3D,SAAD,EAAY1K,KAAZ,CAAb;AACD;;AAED0K,mBAAS,GAAG,KAAI,CAACA,SAAL,GAAiBsE,eAAe,CAAC,KAAD,EAAQjE,GAAG,CAAC5K,GAAZ,EAAiB4K,GAAG,CAACnK,GAArB,EAA0B+N,KAAK,GAAG,MAAH,GAAY,EAA3C,CAA5C;AACA;AACA;;AACF,aAAK,EAAL;AACE7N,cAAI,GAAG,KAAP;AACA;;AACF;AACEA,cAAI,GAAG,KAAP;;AACA,cAAI4J,SAAJ,EAAe;AACbA,qBAAS,CAACiE,KAAV,IAAmB,iBAAiBjO,IAAI,CAAC7C,IAAtB,GAA6B,GAAhD;AACD;;AAED;AA5MF;;AA8MA,UAAI6M,SAAS,IAAI5J,IAAjB,EAAuB;AACrB,YAAImI,MAAK,GAAGyB,SAAS,CAACzB,KAAtB;;AACAA,cAAK,CAACnI,IAAN,CAAWJ,IAAX;AACD;AACF,KAnND,EAxBuB,CA4OvB;;AACA,QAAIkO,IAAI,IAAIlE,SAAZ,EAAuB;AACrB2D,mBAAa,CAAC3D,SAAD,EAAY1K,KAAZ,CAAb;AACA,WAAK0K,SAAL,GAAiB,IAAjB;AACD;AACF,G;;SAEDsF,oB,GAAA,8BAAsBc,GAAtB,EAA2Bpa,IAA3B,EAAiC;AAC/B,QAAIiL,GAAG,GAAGmP,GAAG,CAACrX,MAAd;;AACA,QAAIkI,GAAG,GAAG,CAAV,EAAa;AACX,UAAIjL,IAAI,CAACyJ,GAAL,IAAY2Q,GAAG,CAACnP,GAAG,GAAG,CAAP,CAAH,CAAaxB,GAA7B,EAAkC;AAChC2Q,WAAG,CAAChQ,IAAJ,CAASpK,IAAT;AACD,OAFD,MAEO;AACL,aAAK,IAAIqa,GAAG,GAAGpP,GAAG,GAAG,CAArB,EAAwBoP,GAAG,IAAI,CAA/B,EAAkCA,GAAG,EAArC,EAAyC;AACvC,cAAIra,IAAI,CAACyJ,GAAL,GAAW2Q,GAAG,CAACC,GAAD,CAAH,CAAS5Q,GAAxB,EAA6B;AAC3B2Q,eAAG,CAAC5C,MAAJ,CAAW6C,GAAX,EAAgB,CAAhB,EAAmBra,IAAnB;AACA;AACD;AACF;AACF;AACF,KAXD,MAWO;AACLoa,SAAG,CAAChQ,IAAJ,CAASpK,IAAT;AACD;AACF,G;;SAEDsa,e,GAAA,2BAAmB;AACjB,QAAItG,SAAS,GAAG,KAAKA,SAArB;AAAA,QAAgCuG,QAAhC,CADiB,CAEjB;;AACA,QAAI,CAACvG,SAAD,IAAcA,SAAS,CAACzB,KAAV,CAAgBxP,MAAhB,KAA2B,CAA7C,EAAgD;AAC9C,UAAIuG,KAAK,GAAG,KAAKqK,SAAjB;AAAA,UAA4BxJ,OAAO,GAAGb,KAAK,CAACa,OAA5C;AACA6J,eAAS,GAAG7J,OAAO,CAACA,OAAO,CAACpH,MAAR,GAAiB,CAAlB,CAAnB;AACD;;AACD,QAAIiR,SAAJ,EAAe;AACb,UAAIzB,KAAK,GAAGyB,SAAS,CAACzB,KAAtB;AACAgI,cAAQ,GAAGhI,KAAK,CAACA,KAAK,CAACxP,MAAN,GAAe,CAAhB,CAAhB;AACD;;AACD,WAAOwX,QAAP;AACD,G;;SAEDpC,a,GAAA,uBAAeqC,KAAf,EAAsB;AACpB,QAAI9Y,CAAC,GAAG,CAAR;AAAA,QAAWuJ,GAAG,GAAGuP,KAAK,CAAC/Z,UAAvB;AAAA,QAAmCga,KAAnC;AAAA,QAA0CC,QAA1C;AAAA,QAAoDpR,KAAK,GAAG,KAAKqK,SAAjE;AAAA,QAA4EgH,KAAK,GAAGrR,KAAK,CAACsR,SAAN,IAAmB,CAAvG;AAAA,QAA0GC,SAAS,GAAGF,KAAtH;AACA,QAAIpI,KAAK,GAAG,EAAZ;AAAA,QAAgBvI,IAAhB;AAAA,QAAsB8Q,QAAtB;AAAA,QAAgCC,aAAa,GAAG,CAAC,CAAjD;AAAA,QAAoDC,YAApD,CAFoB,CAGpB;;AAEA,QAAIL,KAAK,KAAK,CAAC,CAAf,EAAkB;AAClB;AACEI,mBAAa,GAAG,CAAhB,CAFgB,CAGhB;;AACAC,kBAAY,GAAGR,KAAK,CAAC,CAAD,CAAL,GAAW,IAA1B;AACAG,WAAK,GAAG,CAAR;AACAjZ,OAAC,GAAG,CAAJ;AACD;;AAED,WAAOA,CAAC,GAAGuJ,GAAX,EAAgB;AACdwP,WAAK,GAAGD,KAAK,CAAC9Y,CAAC,EAAF,CAAb,CADc,CAEd;;AACA,UAAI,CAACiZ,KAAL,EAAY;AACVA,aAAK,GAAGF,KAAK,GAAG,CAAH,GAAO,CAApB;AACA;AACD;;AACD,UAAIE,KAAK,KAAK,CAAd,EAAiB;AACfA,aAAK,GAAGF,KAAK,GAAG,CAAH,GAAO,CAApB;AACA;AACD,OAVa,CAWd;;;AACA,UAAI,CAACA,KAAL,EAAY;AACVE,aAAK,GAAG,CAAR;AACD,OAFD,MAEO,IAAIF,KAAK,KAAK,CAAd,EAAiB;AACtB,YAAIM,aAAa,IAAI,CAArB,EAAwB;AACtB/Q,cAAI,GAAG;AAAEhK,gBAAI,EAAEwa,KAAK,CAACvQ,QAAN,CAAe8Q,aAAf,EAA8BrZ,CAAC,GAAGiZ,KAAJ,GAAY,CAA1C,CAAR;AAAsDxT,gBAAI,EAAE6T;AAA5D,WAAP,CADsB,CAEtB;;AACAzI,eAAK,CAACnI,IAAN,CAAWJ,IAAX;AACD,SAJD,MAIO;AACL;AACA;AACA;AACA;AACA,cAAIuQ,QAAQ,GAAG,KAAKD,eAAL,EAAf;;AACA,cAAIC,QAAJ,EAAc;AACZ,gBAAIM,SAAS,IAAKnZ,CAAC,IAAI,IAAImZ,SAA3B,EAAuC;AACrC;AACA;AACA;AACA,kBAAIN,QAAQ,CAACI,KAAb,EAAoB;AAClB;AACAJ,wBAAQ,CAACva,IAAT,GAAgBua,QAAQ,CAACva,IAAT,CAAciK,QAAd,CAAuB,CAAvB,EAA0BsQ,QAAQ,CAACva,IAAT,CAAcS,UAAd,GAA2Boa,SAArD,CAAhB;AACD;AACF,aATW,CAUZ;;;AACAH,oBAAQ,GAAGhZ,CAAC,GAAGiZ,KAAJ,GAAY,CAAvB;;AACA,gBAAID,QAAQ,GAAG,CAAf,EAAkB;AAChB;AACA,kBAAIO,GAAG,GAAG,IAAIvN,UAAJ,CAAe6M,QAAQ,CAACva,IAAT,CAAcS,UAAd,GAA2Bia,QAA1C,CAAV;AACAO,iBAAG,CAACnN,GAAJ,CAAQyM,QAAQ,CAACva,IAAjB,EAAuB,CAAvB;AACAib,iBAAG,CAACnN,GAAJ,CAAQ0M,KAAK,CAACvQ,QAAN,CAAe,CAAf,EAAkByQ,QAAlB,CAAR,EAAqCH,QAAQ,CAACva,IAAT,CAAcS,UAAnD;AACA8Z,sBAAQ,CAACva,IAAT,GAAgBib,GAAhB;AACD;AACF;AACF,SA/BqB,CAgCtB;;;AACA,YAAIvZ,CAAC,GAAGuJ,GAAR,EAAa;AACX6P,kBAAQ,GAAGN,KAAK,CAAC9Y,CAAD,CAAL,GAAW,IAAtB,CADW,CAEX;;AACAqZ,uBAAa,GAAGrZ,CAAhB;AACAsZ,sBAAY,GAAGF,QAAf;AACAH,eAAK,GAAG,CAAR;AACD,SAND,MAMO;AACL;AACAA,eAAK,GAAG,CAAC,CAAT;AACD;AACF,OA3CM,MA2CA;AACLA,aAAK,GAAG,CAAR;AACD;AACF;;AACD,QAAII,aAAa,IAAI,CAAjB,IAAsBJ,KAAK,IAAI,CAAnC,EAAsC;AACpC3Q,UAAI,GAAG;AAAEhK,YAAI,EAAEwa,KAAK,CAACvQ,QAAN,CAAe8Q,aAAf,EAA8B9P,GAA9B,CAAR;AAA4C9D,YAAI,EAAE6T,YAAlD;AAAgEL,aAAK,EAAEA;AAAvE,OAAP;AACApI,WAAK,CAACnI,IAAN,CAAWJ,IAAX,EAFoC,CAGpC;AACD,KA/EmB,CAgFpB;;;AACA,QAAIuI,KAAK,CAACxP,MAAN,KAAiB,CAArB,EAAwB;AACtB;AACA,UAAIwX,SAAQ,GAAG,KAAKD,eAAL,EAAf;;AACA,UAAIC,SAAJ,EAAc;AACZ,YAAIU,IAAG,GAAG,IAAIvN,UAAJ,CAAe6M,SAAQ,CAACva,IAAT,CAAcS,UAAd,GAA2B+Z,KAAK,CAAC/Z,UAAhD,CAAV;;AACAwa,YAAG,CAACnN,GAAJ,CAAQyM,SAAQ,CAACva,IAAjB,EAAuB,CAAvB;;AACAib,YAAG,CAACnN,GAAJ,CAAQ0M,KAAR,EAAeD,SAAQ,CAACva,IAAT,CAAcS,UAA7B;;AACA8Z,iBAAQ,CAACva,IAAT,GAAgBib,IAAhB;AACD;AACF;;AACD3R,SAAK,CAACsR,SAAN,GAAkBD,KAAlB;AACA,WAAOpI,KAAP;AACD;AAED;;;;;SAGAzB,U,GAAA,oBAAY9Q,IAAZ,EAAkB;AAChB,QAAI+C,MAAM,GAAG/C,IAAI,CAACS,UAAlB;AAAA,QACEya,YAAY,GAAG,EADjB;AAAA,QAEExZ,CAAC,GAAG,CAFN;AAAA,QAGEyZ,SAHF;AAAA,QAGa5D,OAHb,CADgB,CAMhB;;AACA,WAAO7V,CAAC,GAAGqB,MAAM,GAAG,CAApB,EAAuB;AACrB,UAAI/C,IAAI,CAAC0B,CAAD,CAAJ,KAAY,CAAZ,IACA1B,IAAI,CAAC0B,CAAC,GAAG,CAAL,CAAJ,KAAgB,CADhB,IAEA1B,IAAI,CAAC0B,CAAC,GAAG,CAAL,CAAJ,KAAgB,IAFpB,EAE0B;AACxBwZ,oBAAY,CAAC9Q,IAAb,CAAkB1I,CAAC,GAAG,CAAtB;AACAA,SAAC,IAAI,CAAL;AACD,OALD,MAKO;AACLA,SAAC;AACF;AACF,KAhBe,CAkBhB;AACA;;;AACA,QAAIwZ,YAAY,CAACnY,MAAb,KAAwB,CAA5B,EAA+B;AAC7B,aAAO/C,IAAP;AACD,KAtBe,CAwBhB;;;AACAmb,aAAS,GAAGpY,MAAM,GAAGmY,YAAY,CAACnY,MAAlC;AACAwU,WAAO,GAAG,IAAI7J,UAAJ,CAAeyN,SAAf,CAAV;AACA,QAAIC,WAAW,GAAG,CAAlB;;AAEA,SAAK1Z,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGyZ,SAAhB,EAA2BC,WAAW,IAAI1Z,CAAC,EAA3C,EAA+C;AAC7C,UAAI0Z,WAAW,KAAKF,YAAY,CAAC,CAAD,CAAhC,EAAqC;AACnC;AACAE,mBAAW,GAFwB,CAGnC;;AACAF,oBAAY,CAACG,KAAb;AACD;;AACD9D,aAAO,CAAC7V,CAAD,CAAP,GAAa1B,IAAI,CAACob,WAAD,CAAjB;AACD;;AACD,WAAO7D,OAAP;AACD,G;;SAED7B,Y,GAAA,sBAAcrB,GAAd,EAAmB;AACjB,QAAI/K,KAAK,GAAG,KAAKsB,WAAjB;AAAA,QACE5K,IAAI,GAAGqU,GAAG,CAACrU,IADb;AAAA,QAEEyJ,GAAG,GAAG4K,GAAG,CAAC5K,GAFZ;AAAA,QAGE6R,WAAW,GAAG,CAHhB;AAAA,QAIExH,WAAW,GAAG,KAAKA,WAJrB;AAAA,QAKEC,UAAU,GAAG,KAAKA,UALpB;AAAA,QAMEpK,aANF;AAAA,QAMiBD,UANjB;AAAA,QAM6B5G,MAN7B;AAAA,QAMqC8G,KANrC;AAAA,QAM4CqB,GAN5C;;AAOA,QAAI6I,WAAJ,EAAiB;AACf,UAAImH,GAAG,GAAG,IAAIvN,UAAJ,CAAeoG,WAAW,CAACrT,UAAZ,GAAyBT,IAAI,CAACS,UAA7C,CAAV;AACAwa,SAAG,CAACnN,GAAJ,CAAQgG,WAAR,EAAqB,CAArB;AACAmH,SAAG,CAACnN,GAAJ,CAAQ9N,IAAR,EAAc8T,WAAW,CAACrT,UAA1B,EAHe,CAIf;;AACAT,UAAI,GAAGib,GAAP;AACD,KAdgB,CAejB;;;AACA,SAAKnY,MAAM,GAAGwY,WAAT,EAAsBrQ,GAAG,GAAGjL,IAAI,CAAC+C,MAAtC,EAA8CD,MAAM,GAAGmI,GAAG,GAAG,CAA7D,EAAgEnI,MAAM,EAAtE,EAA0E;AACxE,UAAIyI,QAAA,CAAcvL,IAAd,EAAoB8C,MAApB,CAAJ,EAAiC;AAC/B;AACD;AACF,KApBgB,CAqBjB;;;AACA,QAAIA,MAAJ,EAAY;AACV,UAAI4E,MAAJ,EAAYD,KAAZ;;AACA,UAAI3E,MAAM,GAAGmI,GAAG,GAAG,CAAnB,EAAsB;AACpBvD,cAAM,sDAAoD5E,MAA1D;AACA2E,aAAK,GAAG,KAAR;AACD,OAHD,MAGO;AACLC,cAAM,GAAG,iCAAT;AACAD,aAAK,GAAG,IAAR;AACD;;AACDrB,sBAAM,CAACgN,IAAP,oBAA6B1L,MAA7B;AACA,WAAKjC,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACC,KAA5B,EAAmC;AAAEC,YAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,eAAO,EAAEC,sBAAY,CAACe,kBAAtD;AAA0Eb,aAAK,EAAEA,KAAjF;AAAwFC,cAAM,EAAEA;AAAhG,OAAnC;;AACA,UAAID,KAAJ,EAAW;AACT;AACD;AACF;;AAED8D,mBAAA,CAAqBjC,KAArB,EAA4B,KAAK7D,QAAjC,EAA2CzF,IAA3C,EAAiD8C,MAAjD,EAAyD,KAAK8E,UAA9D;AACA8B,cAAU,GAAG,CAAb;AACAC,iBAAa,GAAG4B,gBAAA,CAAsBjC,KAAK,CAACZ,UAA5B,CAAhB,CAxCiB,CA0CjB;AACA;;AACA,QAAIoL,WAAW,IAAIC,UAAnB,EAA+B;AAC7B,UAAIwH,MAAM,GAAGxH,UAAU,GAAGpK,aAA1B;;AACA,UAAIiE,IAAI,CAAC4N,GAAL,CAASD,MAAM,GAAG9R,GAAlB,IAAyB,CAA7B,EAAgC;AAC9BrD,wBAAM,CAACC,GAAP,+CAAuDuH,IAAI,CAAC6J,KAAL,CAAW,CAAC8D,MAAM,GAAG9R,GAAV,IAAiB,EAA5B,CAAvD;AACAA,WAAG,GAAG8R,MAAN;AACD;AACF,KAlDgB,CAoDjB;;;AACA,WAAOzY,MAAM,GAAGmI,GAAhB,EAAqB;AACnB,UAAIM,QAAA,CAAcvL,IAAd,EAAoB8C,MAApB,CAAJ,EAAiC;AAC/B,YAAKA,MAAM,GAAG,CAAV,GAAemI,GAAnB,EAAwB;AACtB,cAAMc,KAAK,GAAGR,WAAA,CAAiBjC,KAAjB,EAAwBtJ,IAAxB,EAA8B8C,MAA9B,EAAsC2G,GAAtC,EAA2CC,UAA3C,CAAd;;AACA,cAAIqC,KAAJ,EAAW;AACTjJ,kBAAM,IAAIiJ,KAAK,CAAChJ,MAAhB;AACA6G,iBAAK,GAAGmC,KAAK,CAAC1B,MAAN,CAAaZ,GAArB;AACAC,sBAAU;AACV;AACD;AACF,SAT8B,CAU/B;AACA;;;AACA;AACD,OAbD,MAaO;AACL;AACA5G,cAAM;AACP;AACF;;AAED,QAAIA,MAAM,GAAGmI,GAAb,EAAkB;AAChB6I,iBAAW,GAAG9T,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBmI,GAAtB,CAAd,CADgB,CAEhB;AACD,KAHD,MAGO;AACL6I,iBAAW,GAAG,IAAd;AACD;;AAED,SAAKA,WAAL,GAAmBA,WAAnB;AACA,SAAKC,UAAL,GAAkBnK,KAAlB;AACD,G;;SAEDgM,a,GAAA,uBAAevB,GAAf,EAAoB;AAClB,QAAIrU,IAAI,GAAGqU,GAAG,CAACrU,IAAf;AACA,QAAI+C,MAAM,GAAG/C,IAAI,CAAC+C,MAAlB;AACA,QAAI2G,UAAU,GAAG,CAAjB;AACA,QAAI5G,MAAM,GAAG,CAAb;AACA,QAAI2G,GAAG,GAAG4K,GAAG,CAAC5K,GAAd;;AAEA,WAAO3G,MAAM,GAAGC,MAAhB,EAAwB;AACtB,UAAIkJ,SAAS,CAACjD,QAAV,CAAmBhJ,IAAnB,EAAyB8C,MAAzB,CAAJ,EAAsC;AACpC,YAAIiJ,KAAK,GAAGE,SAAS,CAACpC,WAAV,CAAsB,KAAKe,WAA3B,EAAwC5K,IAAxC,EAA8C8C,MAA9C,EAAsD2G,GAAtD,EAA2DC,UAA3D,CAAZ;;AACA,YAAIqC,KAAJ,EAAW;AACTjJ,gBAAM,IAAIiJ,KAAK,CAAChJ,MAAhB;AACA2G,oBAAU;AACX,SAHD,MAGO;AACL;AACA;AACD;AACF,OATD,MASO;AACL;AACA5G,cAAM;AACP;AACF;AACF,G;;SAEDgT,Y,GAAA,sBAAczB,GAAd,EAAmB;AACjB,SAAKT,SAAL,CAAezJ,OAAf,CAAuBC,IAAvB,CAA4BiK,GAA5B;AACD,G;;;;;AAGYxB,iEAAf,E;;ACzkCA;;;AAGA;AACA;AACA;;IAEM4I,qB;;;AACJ,sBAAahW,QAAb,EAAuB8E,OAAvB,EAAgC7E,MAAhC,EAAwC;AACtC,SAAKD,QAAL,GAAgBA,QAAhB;AACA,SAAKC,MAAL,GAAcA,MAAd;AACA,SAAK6E,OAAL,GAAeA,OAAf;AACD;;;;SAEDC,gB,GAAA,0BAAkBC,WAAlB,EAA+B7C,UAA/B,EAA2C8C,UAA3C,EAAuDC,QAAvD,EAAiE;AAC/D,SAAKC,WAAL,GAAmB;AAAEC,eAAS,EAAE,YAAb;AAA2B1D,UAAI,EAAE,OAAjC;AAA0C2D,QAAE,EAAE,CAAC,CAA/C;AAAkDC,oBAAc,EAAE,CAAlE;AAAqEC,WAAK,EAAE,KAA5E;AAAmFb,aAAO,EAAE,EAA5F;AAAgGc,SAAG,EAAE,CAArG;AAAwG7C,mBAAa,EAAER,UAAvH;AAAmI+C,cAAQ,EAAEA,QAA7I;AAAuJO,oBAAc,EAAE;AAAvK,KAAnB;AACD,G;;SAEDC,c,GAAA,0BAAkB,CACjB,C;;aAEMlC,K,GAAP,eAAcjJ,IAAd,EAAoB;AAClB;AACA,QAAI8C,MAAJ,EAAYC,MAAZ;AACA,QAAIqI,OAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB,CAArB,CAAd;;AACA,QAAIoL,OAAO,IAAIC,cAAG,CAACQ,YAAJ,CAAiBT,OAAjB,MAA8B/F,SAA7C,EAAwD;AACtD;AACA;AACA;AACA,WAAKvC,MAAM,GAAGsI,OAAO,CAACrI,MAAjB,EAAyBA,MAAM,GAAG6K,IAAI,CAACC,GAAL,CAAS7N,IAAI,CAAC+C,MAAL,GAAc,CAAvB,EAA0BD,MAAM,GAAG,GAAnC,CAAvC,EAAgFA,MAAM,GAAGC,MAAzF,EAAiGD,MAAM,EAAvG,EAA2G;AACzG,YAAImJ,SAAS,CAAChD,KAAV,CAAgBjJ,IAAhB,EAAsB8C,MAAtB,CAAJ,EAAmC;AACjCsD,0BAAM,CAACC,GAAP,CAAW,8BAAX;AACA,iBAAO,IAAP;AACD;AACF;AACF;;AACD,WAAO,KAAP;AACD,G,CAED;;;SACAmF,M,GAAA,gBAAQxL,IAAR,EAAcyL,UAAd,EAA0BC,UAA1B,EAAsCC,kBAAtC,EAA0D;AACxD,QAAIP,OAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB,CAArB,CAAd;AACA,QAAI4L,SAAS,GAAGP,cAAG,CAACQ,YAAJ,CAAiBT,OAAjB,CAAhB;AACA,QAAI3B,GAAG,GAAGmC,SAAS,GAAG,KAAKA,SAAR,GAAoBH,UAAU,GAAG,KAApD;AACA,QAAI3I,MAAM,GAAGsI,OAAO,CAACrI,MAArB;AACA,QAAIA,MAAM,GAAG/C,IAAI,CAAC+C,MAAlB;AACA,QAAI2G,UAAU,GAAG,CAAjB;AAAA,QAAoBE,KAAK,GAAG,CAA5B;AACA,QAAIN,KAAK,GAAG,KAAKsB,WAAjB;AAEA,QAAIkB,UAAU,GAAG,CAAC;AAAErC,SAAG,EAAEA,GAAP;AAAYS,SAAG,EAAET,GAAjB;AAAsBzJ,UAAI,EAAEoL;AAA5B,KAAD,CAAjB;;AAEA,WAAOtI,MAAM,GAAGC,MAAhB,EAAwB;AACtB,UAAIkJ,SAAS,CAACjD,QAAV,CAAmBhJ,IAAnB,EAAyB8C,MAAzB,CAAJ,EAAsC;AACpC,YAAIiJ,KAAK,GAAGE,SAAS,CAACpC,WAAV,CAAsBP,KAAtB,EAA6BtJ,IAA7B,EAAmC8C,MAAnC,EAA2C2G,GAA3C,EAAgDC,UAAhD,CAAZ;;AACA,YAAIqC,KAAJ,EAAW;AACTjJ,gBAAM,IAAIiJ,KAAK,CAAChJ,MAAhB;AACA6G,eAAK,GAAGmC,KAAK,CAAC1B,MAAN,CAAaZ,GAArB;AACAC,oBAAU;AACX,SAJD,MAIO;AACL;AACA;AACD;AACF,OAVD,MAUO,IAAI2B,cAAG,CAACrC,QAAJ,CAAahJ,IAAb,EAAmB8C,MAAnB,CAAJ,EAAgC;AACrCsI,eAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB8C,MAArB,CAAV;AACAgJ,kBAAU,CAAC1B,IAAX,CAAgB;AAAEX,aAAG,EAAEG,KAAP;AAAcM,aAAG,EAAEN,KAAnB;AAA0B5J,cAAI,EAAEoL;AAAhC,SAAhB;AACAtI,cAAM,IAAIsI,OAAO,CAACrI,MAAlB;AACD,OAJM,MAIA;AACL;AACAD,cAAM;AACP;AACF;;AAED,SAAKyH,OAAL,CAAayB,KAAb,CAAmB1C,KAAnB,EACE;AAAEa,aAAO,EAAE;AAAX,KADF,EAEE;AAAEA,aAAO,EAAE2B,UAAX;AAAuBZ,oBAAc,EAAE;AAAvC,KAFF,EAGE;AAAEf,aAAO,EAAE;AAAX,KAHF,EAIEsB,UAJF,EAKEC,UALF,EAMEC,kBANF;AAOD,G;;SAEDvG,O,GAAA,mBAAW,CACV,C;;;;;AAGYqW,oEAAf,E;;ACrFA;;;IAIMC,G;;;;;MACGC,c,GAAP,wBAAuB/S,KAAvB,EAA8BD,YAA9B,EAA4C;AAC1C,YAAQC,KAAR;AACA,WAAK,WAAL;AACE,YAAID,YAAY,KAAK,CAArB,EAAwB;AACtB,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,CAAf,CAAP;AACD,SAFD,MAEO,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,EAAqC,IAArC,EAA2C,IAA3C,EAAiD,IAAjD,CAAf,CAAP;AACD,SAFM,MAEA,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,EAAqC,IAArC,EAA2C,IAA3C,EAAiD,IAAjD,EAAuD,IAAvD,EAA6D,IAA7D,EAAmE,IAAnE,EAAyE,IAAzE,CAAf,CAAP;AACD,SAFM,MAEA,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,EAAqC,IAArC,EAA2C,IAA3C,EAAiD,IAAjD,EAAuD,IAAvD,EAA6D,IAA7D,EAAmE,IAAnE,EAAyE,IAAzE,EAA+E,IAA/E,EAAqF,IAArF,EAA2F,IAA3F,EAAiG,IAAjG,EAAuG,IAAvG,CAAf,CAAP;AACD,SAFM,MAEA,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,EAAqC,IAArC,EAA2C,IAA3C,EAAiD,IAAjD,EAAuD,IAAvD,EAA6D,IAA7D,EAAmE,IAAnE,EAAyE,IAAzE,EAA+E,IAA/E,EAAqF,IAArF,EAA2F,IAA3F,EAAiG,IAAjG,EAAuG,IAAvG,EAA6G,IAA7G,EAAmH,IAAnH,EAAyH,IAAzH,CAAf,CAAP;AACD,SAFM,MAEA,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,EAAqC,IAArC,EAA2C,IAA3C,EAAiD,IAAjD,EAAuD,IAAvD,EAA6D,IAA7D,EAAmE,IAAnE,EAAyE,IAAzE,EAA+E,IAA/E,EAAqF,IAArF,EAA2F,IAA3F,EAAiG,IAAjG,EAAuG,IAAvG,EAA6G,IAA7G,EAAmH,IAAnH,EAAyH,IAAzH,EAA+H,IAA/H,EAAqI,IAArI,EAA2I,IAA3I,EAAiJ,IAAjJ,EAAuJ,IAAvJ,CAAf,CAAP;AACD;;AAED;AACF;;AACA;AACE,YAAI/E,YAAY,KAAK,CAArB,EAAwB;AACtB;AACA,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,GAAD,EAAM,IAAN,EAAY,IAAZ,EAAkB,IAAlB,EAAwB,IAAxB,EAA8B,IAA9B,EAAoC,IAApC,EAA0C,IAA1C,EAAgD,IAAhD,EAAsD,GAAtD,EAA2D,GAA3D,EAAgE,GAAhE,EAAqE,GAArE,EAA0E,IAA1E,EAAgF,GAAhF,EAAqF,IAArF,EAA2F,IAA3F,EAAiG,GAAjG,EAAsG,IAAtG,EAA4G,IAA5G,EAAkH,IAAlH,EAAwH,IAAxH,EAA8H,IAA9H,EAAoI,IAApI,EAA0I,IAA1I,EAAgJ,IAAhJ,EAAsJ,IAAtJ,EAA4J,IAA5J,EAAkK,IAAlK,EAAwK,IAAxK,EAA8K,IAA9K,EAAoL,IAApL,EAA0L,IAA1L,EAAgM,IAAhM,EAAsM,IAAtM,EAA4M,IAA5M,EAAkN,IAAlN,EAAwN,IAAxN,EAA8N,IAA9N,EAAoO,IAApO,EAA0O,IAA1O,EAAgP,IAAhP,EAAsP,IAAtP,EAA4P,IAA5P,EAAkQ,IAAlQ,EAAwQ,IAAxQ,EAA8Q,IAA9Q,EAAoR,IAApR,EAA0R,IAA1R,EAAgS,IAAhS,EAAsS,IAAtS,EAA4S,IAA5S,EAAkT,IAAlT,EAAwT,IAAxT,EAA8T,IAA9T,EAAoU,IAApU,EAA0U,IAA1U,EAAgV,IAAhV,EAAsV,IAAtV,CAAf,CAAP;AACD,SAHD,MAGO,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B;AACA,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,GAAD,EAAM,IAAN,EAAY,IAAZ,EAAkB,IAAlB,EAAwB,IAAxB,EAA8B,IAA9B,EAAoC,IAApC,EAA0C,IAA1C,EAAgD,IAAhD,EAAsD,GAAtD,EAA2D,GAA3D,EAAgE,GAAhE,EAAqE,GAArE,EAA0E,GAA1E,EAA+E,IAA/E,EAAqF,GAArF,EAA0F,GAA1F,EAA+F,IAA/F,EAAqG,IAArG,EAA2G,GAA3G,EAAgH,IAAhH,EAAsH,IAAtH,EAA4H,IAA5H,EAAkI,IAAlI,EAAwI,IAAxI,EAA8I,IAA9I,EAAoJ,IAApJ,EAA0J,IAA1J,EAAgK,IAAhK,EAAsK,IAAtK,EAA4K,IAA5K,EAAkL,IAAlL,EAAwL,IAAxL,EAA8L,IAA9L,EAAoM,IAApM,EAA0M,IAA1M,EAAgN,IAAhN,EAAsN,IAAtN,EAA4N,IAA5N,EAAkO,IAAlO,EAAwO,IAAxO,EAA8O,IAA9O,EAAoP,IAApP,EAA0P,IAA1P,EAAgQ,IAAhQ,EAAsQ,IAAtQ,EAA4Q,IAA5Q,EAAkR,IAAlR,EAAwR,IAAxR,EAA8R,IAA9R,EAAoS,IAApS,EAA0S,IAA1S,EAAgT,IAAhT,EAAsT,IAAtT,EAA4T,IAA5T,EAAkU,IAAlU,EAAwU,IAAxU,EAA8U,IAA9U,EAAoV,IAApV,CAAf,CAAP;AACD,SAHM,MAGA,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B;AACA,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,GAAD,EAAM,IAAN,EAAY,IAAZ,EAAkB,IAAlB,EAAwB,IAAxB,EAA8B,IAA9B,EAAoC,IAApC,EAA0C,IAA1C,EAAgD,IAAhD,EAAsD,GAAtD,EAA2D,GAA3D,EAAgE,GAAhE,EAAqE,GAArE,EAA0E,GAA1E,EAA+E,IAA/E,EAAqF,GAArF,EAA0F,GAA1F,EAA+F,IAA/F,EAAqG,IAArG,EAA2G,GAA3G,EAAgH,IAAhH,EAAsH,IAAtH,EAA4H,IAA5H,EAAkI,IAAlI,EAAwI,IAAxI,EAA8I,IAA9I,EAAoJ,IAApJ,EAA0J,IAA1J,EAAgK,IAAhK,EAAsK,IAAtK,EAA4K,IAA5K,EAAkL,IAAlL,EAAwL,IAAxL,EAA8L,IAA9L,EAAoM,IAApM,EAA0M,IAA1M,EAAgN,IAAhN,EAAsN,IAAtN,EAA4N,IAA5N,EAAkO,IAAlO,EAAwO,IAAxO,EAA8O,IAA9O,EAAoP,IAApP,EAA0P,IAA1P,EAAgQ,IAAhQ,EAAsQ,IAAtQ,EAA4Q,IAA5Q,EAAkR,IAAlR,EAAwR,IAAxR,EAA8R,IAA9R,EAAoS,IAApS,EAA0S,IAA1S,EAAgT,IAAhT,EAAsT,IAAtT,EAA4T,IAA5T,EAAkU,IAAlU,EAAwU,IAAxU,EAA8U,IAA9U,EAAoV,IAApV,CAAf,CAAP;AACD;;AACD;AA7BF;;AA+BA,WAAO,IAAP;AACD,G;;;;;AAGYgO,kDAAf,E;;ACzCA;;;AAIA,IAAME,UAAU,GAAGhO,IAAI,CAACiO,GAAL,CAAS,CAAT,EAAY,EAAZ,IAAkB,CAArC;;IAEMC,G;;;;;MACGC,I,GAAP,gBAAe;AACbD,OAAG,CAACE,KAAJ,GAAY;AACVC,UAAI,EAAE,EADI;AACA;AACVC,UAAI,EAAE,EAFI;AAGVC,UAAI,EAAE,EAHI;AAIVC,UAAI,EAAE,EAJI;AAKVC,UAAI,EAAE,EALI;AAMVC,UAAI,EAAE,EANI;AAOVC,UAAI,EAAE,EAPI;AAQVC,UAAI,EAAE,EARI;AASVC,UAAI,EAAE,EATI;AAUVC,UAAI,EAAE,EAVI;AAWVC,UAAI,EAAE,EAXI;AAYVC,UAAI,EAAE,EAZI;AAaVC,UAAI,EAAE,EAbI;AAcVC,UAAI,EAAE,EAdI;AAeVC,UAAI,EAAE,EAfI;AAgBVC,UAAI,EAAE,EAhBI;AAiBV,cAAQ,EAjBE;AAkBVC,UAAI,EAAE,EAlBI;AAmBVC,UAAI,EAAE,EAnBI;AAoBVC,UAAI,EAAE,EApBI;AAqBVC,UAAI,EAAE,EArBI;AAsBVC,UAAI,EAAE,EAtBI;AAuBVC,UAAI,EAAE,EAvBI;AAwBVC,UAAI,EAAE,EAxBI;AAyBVC,UAAI,EAAE,EAzBI;AA0BVC,UAAI,EAAE,EA1BI;AA2BVC,UAAI,EAAE,EA3BI;AA4BVC,UAAI,EAAE,EA5BI;AA6BVC,UAAI,EAAE,EA7BI;AA8BVC,UAAI,EAAE,EA9BI;AA+BVC,UAAI,EAAE,EA/BI;AAgCVC,UAAI,EAAE,EAhCI;AAiCVC,UAAI,EAAE,EAjCI;AAkCVC,UAAI,EAAE,EAlCI;AAmCVC,UAAI,EAAE,EAnCI;AAoCVC,UAAI,EAAE;AApCI,KAAZ;AAuCA,QAAIzc,CAAJ;;AACA,SAAKA,CAAL,IAAUoa,GAAG,CAACE,KAAd,EAAqB;AACnB,UAAIF,GAAG,CAACE,KAAJ,CAAUoC,cAAV,CAAyB1c,CAAzB,CAAJ,EAAiC;AAC/Boa,WAAG,CAACE,KAAJ,CAAUta,CAAV,IAAe,CACbA,CAAC,CAAC2c,UAAF,CAAa,CAAb,CADa,EAEb3c,CAAC,CAAC2c,UAAF,CAAa,CAAb,CAFa,EAGb3c,CAAC,CAAC2c,UAAF,CAAa,CAAb,CAHa,EAIb3c,CAAC,CAAC2c,UAAF,CAAa,CAAb,CAJa,CAAf;AAMD;AACF;;AAED,QAAIC,SAAS,GAAG,IAAI5Q,UAAJ,CAAe,CAC7B,IAD6B,EACvB;AACN,QAF6B,EAEvB,IAFuB,EAEjB,IAFiB,EAEX;AAClB,QAH6B,EAGvB,IAHuB,EAGjB,IAHiB,EAGX,IAHW,EAGL;AACxB,QAJ6B,EAIvB,IAJuB,EAIjB,IAJiB,EAIX,IAJW,EAIL;AACxB,QAL6B,EAKvB,IALuB,EAKjB,IALiB,EAKX,IALW,EAKL;AACxB,QAN6B,EAMvB,IANuB,EAMjB,IANiB,EAMX,IANW,EAML;AACxB,QAP6B,EAOvB,IAPuB,EAOjB,IAPiB,EAOX,IAPW,EAOL;AACxB,QAR6B,EAQvB,IARuB,EAQjB,IARiB,EAQX,IARW,EAS7B,IAT6B,EASvB,IATuB,EASjB,IATiB,EASX,IATW,EAU7B,IAV6B,EAUvB,IAVuB,EAUjB,IAViB,EAUX,IAVW,EAUL,IAVK,CAUA;AAVA,KAAf,CAAhB;AAaA,QAAI6Q,SAAS,GAAG,IAAI7Q,UAAJ,CAAe,CAC7B,IAD6B,EACvB;AACN,QAF6B,EAEvB,IAFuB,EAEjB,IAFiB,EAEX;AAClB,QAH6B,EAGvB,IAHuB,EAGjB,IAHiB,EAGX,IAHW,EAGL;AACxB,QAJ6B,EAIvB,IAJuB,EAIjB,IAJiB,EAIX,IAJW,EAIL;AACxB,QAL6B,EAKvB,IALuB,EAKjB,IALiB,EAKX,IALW,EAKL;AACxB,QAN6B,EAMvB,IANuB,EAMjB,IANiB,EAMX,IANW,EAML;AACxB,QAP6B,EAOvB,IAPuB,EAOjB,IAPiB,EAOX,IAPW,EAOL;AACxB,QAR6B,EAQvB,IARuB,EAQjB,IARiB,EAQX,IARW,EAS7B,IAT6B,EASvB,IATuB,EASjB,IATiB,EASX,IATW,EAU7B,IAV6B,EAUvB,IAVuB,EAUjB,IAViB,EAUX,IAVW,EAUL,IAVK,CAUA;AAVA,KAAf,CAAhB;AAaAoO,OAAG,CAAC0C,UAAJ,GAAiB;AACf,eAASF,SADM;AAEf,eAASC;AAFM,KAAjB;AAKA,QAAIlC,IAAI,GAAG,IAAI3O,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ,IAHY,EAGN,IAHM,EAGA;AACxB,QAJwB,EAIlB,IAJkB,EAIZ,IAJY,EAIN,IAJM,EAIA;AACxB,QALwB,EAKlB,IALkB,EAKZ,IALY,EAKN,IALM,EAKA;AACxB,QANwB,EAMlB;AACN,QAPwB,EAOlB,IAPkB,EAOZ,IAPY,CAOP;AAPO,KAAf,CAAX;AAUA,QAAI4P,IAAI,GAAG,IAAI5P,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ,IAHY,EAGN,IAHM,CAGD;AAHC,KAAf,CAAX;AAMAoO,OAAG,CAAC2C,IAAJ,GAAW3C,GAAG,CAAC4C,IAAJ,GAAW5C,GAAG,CAAC6C,IAAJ,GAAWrB,IAAjC;AAEAxB,OAAG,CAAC8C,IAAJ,GAAW,IAAIlR,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ,IAHY,EAGN,IAHM,EAGA;AACxB,QAJwB,EAIlB,IAJkB,EAIZ,IAJY,EAIN,IAJM,CAID;AAJC,KAAf,CAAX;AAMAoO,OAAG,CAAC+C,IAAJ,GAAW,IAAInR,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ;AACZ,QAJwB,EAIlB,IAJkB,EAKxB,IALwB,EAKlB,IALkB,EAMxB,IANwB,EAMlB,IANkB,CAMb;AANa,KAAf,CAAX;AAQAoO,OAAG,CAACgD,IAAJ,GAAW,IAAIpR,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ;AACZ,QAJwB,EAIlB,IAJkB,CAIb;AAJa,KAAf,CAAX;AAOAoO,OAAG,CAACiD,IAAJ,GAAW,IAAIrR,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ,IAHY,EAGN,IAHM,CAAf,CAAX,CA1Ha,CA6Hc;;AAE3B,QAAIsR,UAAU,GAAG,IAAItR,UAAJ,CAAe,CAAC,GAAD,EAAM,GAAN,EAAW,GAAX,EAAgB,GAAhB,CAAf,CAAjB,CA/Ha,CA+H0C;;AACvD,QAAIuR,SAAS,GAAG,IAAIvR,UAAJ,CAAe,CAAC,EAAD,EAAK,GAAL,EAAU,EAAV,EAAc,EAAd,CAAf,CAAhB,CAhIa,CAgIsC;;AACnD,QAAIwR,YAAY,GAAG,IAAIxR,UAAJ,CAAe,CAAC,CAAD,EAAI,CAAJ,EAAO,CAAP,EAAU,CAAV,CAAf,CAAnB;AAEAoO,OAAG,CAACqD,IAAJ,GAAWrD,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUO,IAAlB,EAAwByC,UAAxB,EAAoCE,YAApC,EAAkDF,UAAlD,EAA8DC,SAA9D,CAAX;AACAnD,OAAG,CAACuD,IAAJ,GAAWvD,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUI,IAAlB,EAAwBN,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUK,IAAlB,EAAwBA,IAAxB,CAAxB,CAAX;AACD,G;;MAEM+C,G,GAAP,aAAYjY,IAAZ,EAAkB;AAChB,QACEmY,OAAO,GAAG9W,KAAK,CAAC+W,SAAN,CAAgB1e,KAAhB,CAAsB2e,IAAtB,CAA2BC,SAA3B,EAAsC,CAAtC,CADZ;AAAA,QAEEtR,IAAI,GAAG,CAFT;AAAA,QAGEzM,CAAC,GAAG4d,OAAO,CAACvc,MAHd;AAAA,QAIEkI,GAAG,GAAGvJ,CAJR;AAAA,QAKEmF,MALF,CADgB,CAOhB;;AACA,WAAOnF,CAAC,EAAR,EAAY;AACVyM,UAAI,IAAImR,OAAO,CAAC5d,CAAD,CAAP,CAAWjB,UAAnB;AACD;;AAEDoG,UAAM,GAAG,IAAI6G,UAAJ,CAAeS,IAAf,CAAT;AACAtH,UAAM,CAAC,CAAD,CAAN,GAAasH,IAAI,IAAI,EAAT,GAAe,IAA3B;AACAtH,UAAM,CAAC,CAAD,CAAN,GAAasH,IAAI,IAAI,EAAT,GAAe,IAA3B;AACAtH,UAAM,CAAC,CAAD,CAAN,GAAasH,IAAI,IAAI,CAAT,GAAc,IAA1B;AACAtH,UAAM,CAAC,CAAD,CAAN,GAAYsH,IAAI,GAAG,IAAnB;AACAtH,UAAM,CAACiH,GAAP,CAAW3G,IAAX,EAAiB,CAAjB,EAjBgB,CAkBhB;;AACA,SAAKzF,CAAC,GAAG,CAAJ,EAAOyM,IAAI,GAAG,CAAnB,EAAsBzM,CAAC,GAAGuJ,GAA1B,EAA+BvJ,CAAC,EAAhC,EAAoC;AAClC;AACAmF,YAAM,CAACiH,GAAP,CAAWwR,OAAO,CAAC5d,CAAD,CAAlB,EAAuByM,IAAvB;AACAA,UAAI,IAAImR,OAAO,CAAC5d,CAAD,CAAP,CAAWjB,UAAnB;AACD;;AACD,WAAOoG,MAAP;AACD,G;;MAEM2V,I,GAAP,cAAarV,IAAb,EAAmB;AACjB,WAAO2U,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUQ,IAAlB,EAAwBV,GAAG,CAAC0C,UAAJ,CAAerX,IAAf,CAAxB,CAAP;AACD,G;;MAEMsV,I,GAAP,cAAazc,IAAb,EAAmB;AACjB,WAAO8b,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUS,IAAlB,EAAwBzc,IAAxB,CAAP;AACD,G;;MAEM0c,I,GAAP,cAAagD,SAAb,EAAwB/U,QAAxB,EAAkC;AAChCA,YAAQ,IAAI+U,SAAZ;AACA,QAAMC,iBAAiB,GAAG/R,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAIiR,UAAU,GAAG,CAAjB,CAAnB,CAA1B;AACA,QAAMgE,iBAAiB,GAAGhS,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAIiR,UAAU,GAAG,CAAjB,CAAnB,CAA1B;AACA,WAAOE,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUU,IAAlB,EAAwB,IAAIhP,UAAJ,CAAe,CAC5C,IAD4C,EACtC;AACN,QAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AAClB,QAH4C,EAGtC,IAHsC,EAGhC,IAHgC,EAG1B,IAH0B,EAGpB,IAHoB,EAGd,IAHc,EAGR,IAHQ,EAGF,IAHE,EAGI;AAChD,QAJ4C,EAItC,IAJsC,EAIhC,IAJgC,EAI1B,IAJ0B,EAIpB,IAJoB,EAId,IAJc,EAIR,IAJQ,EAIF,IAJE,EAII;AAC/CgS,aAAS,IAAI,EAAd,GAAoB,IALwB,EAM3CA,SAAS,IAAI,EAAd,GAAoB,IANwB,EAO3CA,SAAS,IAAI,CAAd,GAAmB,IAPyB,EAQ5CA,SAAS,GAAG,IARgC,EAQ1B;AACjBC,qBAAiB,IAAI,EATsB,EAU3CA,iBAAiB,IAAI,EAAtB,GAA4B,IAVgB,EAW3CA,iBAAiB,IAAI,CAAtB,GAA2B,IAXiB,EAY5CA,iBAAiB,GAAG,IAZwB,EAa3CC,iBAAiB,IAAI,EAbsB,EAc3CA,iBAAiB,IAAI,EAAtB,GAA4B,IAdgB,EAe3CA,iBAAiB,IAAI,CAAtB,GAA2B,IAfiB,EAgB5CA,iBAAiB,GAAG,IAhBwB,EAiB5C,IAjB4C,EAiBtC,IAjBsC,EAiBhC;AACZ,QAlB4C,EAkBtC,IAlBsC,CAAf,CAAxB,CAAP;AAoBD,G;;MAEMjD,I,GAAP,cAAarT,KAAb,EAAoB;AAClB,WAAOwS,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUW,IAAlB,EAAwBb,GAAG,CAACY,IAAJ,CAASpT,KAAK,CAACoW,SAAf,EAA0BpW,KAAK,CAACqB,QAAhC,CAAxB,EAAmEmR,GAAG,CAACU,IAAJ,CAASlT,KAAK,CAACnC,IAAf,CAAnE,EAAyF2U,GAAG,CAACe,IAAJ,CAASvT,KAAT,CAAzF,CAAP;AACD,G;;MAEMsT,I,GAAP,cAAa7R,cAAb,EAA6B;AAC3B,WAAO+Q,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUY,IAAlB,EAAwB,IAAIlP,UAAJ,CAAe,CAC5C,IAD4C,EAE5C,IAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AACjB3C,kBAAc,IAAI,EAHyB,EAI3CA,cAAc,IAAI,EAAnB,GAAyB,IAJmB,EAK3CA,cAAc,IAAI,CAAnB,GAAwB,IALoB,EAM5CA,cAAc,GAAG,IAN2B,CAMtB;AANsB,KAAf,CAAxB,CAAP;AAQD,G;;MAEM8R,I,GAAP,cAAavT,KAAb,EAAoB;AAClB,QAAIA,KAAK,CAACnC,IAAN,KAAe,OAAnB,EAA4B;AAC1B,aAAO2U,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUa,IAAlB,EAAwBf,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUmC,IAAlB,EAAwBrC,GAAG,CAACgD,IAA5B,CAAxB,EAA2DhD,GAAG,CAACuD,IAA/D,EAAqEvD,GAAG,CAACuB,IAAJ,CAAS/T,KAAT,CAArE,CAAP;AACD,KAFD,MAEO;AACL,aAAOwS,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUa,IAAlB,EAAwBf,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUkC,IAAlB,EAAwBpC,GAAG,CAAC+C,IAA5B,CAAxB,EAA2D/C,GAAG,CAACuD,IAA/D,EAAqEvD,GAAG,CAACuB,IAAJ,CAAS/T,KAAT,CAArE,CAAP;AACD;AACF,G;;MAEMwT,I,GAAP,cAAa+C,EAAb,EAAiBC,mBAAjB,EAAsCxW,KAAtC,EAA6C;AAC3C,WAAOwS,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUc,IAAlB,EAAwBhB,GAAG,CAACc,IAAJ,CAASiD,EAAT,CAAxB,EAAsC/D,GAAG,CAAC+B,IAAJ,CAASvU,KAAT,EAAgBwW,mBAAhB,CAAtC,CAAP;AACD;AACD;;;;;MAGO/C,I,GAAP,cAAagD,MAAb,EAAqB;AACnB,QACEre,CAAC,GAAGqe,MAAM,CAAChd,MADb;AAAA,QAEEid,KAAK,GAAG,EAFV;;AAIA,WAAOte,CAAC,EAAR,EAAY;AACVse,WAAK,CAACte,CAAD,CAAL,GAAWoa,GAAG,CAACgC,IAAJ,CAASiC,MAAM,CAACre,CAAD,CAAf,CAAX;AACD;;AAED,WAAOoa,GAAG,CAACsD,GAAJ,CAAQa,KAAR,CAAc,IAAd,EAAoB,CAACnE,GAAG,CAACE,KAAJ,CAAUe,IAAX,EAAiBjB,GAAG,CAACoB,IAAJ,CAAS6C,MAAM,CAAC,CAAD,CAAN,CAAUL,SAAnB,EAA8BK,MAAM,CAAC,CAAD,CAAN,CAAUpV,QAAxC,CAAjB,EAAoEuV,MAApE,CAA2EF,KAA3E,EAAkFE,MAAlF,CAAyFpE,GAAG,CAACmB,IAAJ,CAAS8C,MAAT,CAAzF,CAApB,CAAP;AACD,G;;MAEM9C,I,GAAP,cAAa8C,MAAb,EAAqB;AACnB,QACEre,CAAC,GAAGqe,MAAM,CAAChd,MADb;AAAA,QAEEid,KAAK,GAAG,EAFV;;AAIA,WAAOte,CAAC,EAAR,EAAY;AACVse,WAAK,CAACte,CAAD,CAAL,GAAWoa,GAAG,CAACkC,IAAJ,CAAS+B,MAAM,CAACre,CAAD,CAAf,CAAX;AACD;;AAED,WAAOoa,GAAG,CAACsD,GAAJ,CAAQa,KAAR,CAAc,IAAd,EAAoB,CAACnE,GAAG,CAACE,KAAJ,CAAUiB,IAAX,EAAiBiD,MAAjB,CAAwBF,KAAxB,CAApB,CAAP;AACD,G;;MAEM9C,I,GAAP,cAAawC,SAAb,EAAwB/U,QAAxB,EAAkC;AAChCA,YAAQ,IAAI+U,SAAZ;AACA,QAAMC,iBAAiB,GAAG/R,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAIiR,UAAU,GAAG,CAAjB,CAAnB,CAA1B;AACA,QAAMgE,iBAAiB,GAAGhS,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAIiR,UAAU,GAAG,CAAjB,CAAnB,CAA1B;AACA,QACErC,KAAK,GAAG,IAAI7L,UAAJ,CAAe,CACrB,IADqB,EACf;AACN,QAFqB,EAEf,IAFe,EAET,IAFS,EAEH;AAClB,QAHqB,EAGf,IAHe,EAGT,IAHS,EAGH,IAHG,EAGG,IAHH,EAGS,IAHT,EAGe,IAHf,EAGqB,IAHrB,EAG2B;AAChD,QAJqB,EAIf,IAJe,EAIT,IAJS,EAIH,IAJG,EAIG,IAJH,EAIS,IAJT,EAIe,IAJf,EAIqB,IAJrB,EAI2B;AAC/CgS,aAAS,IAAI,EAAd,GAAoB,IALC,EAMpBA,SAAS,IAAI,EAAd,GAAoB,IANC,EAOpBA,SAAS,IAAI,CAAd,GAAmB,IAPE,EAQrBA,SAAS,GAAG,IARS,EAQH;AACjBC,qBAAiB,IAAI,EATD,EAUpBA,iBAAiB,IAAI,EAAtB,GAA4B,IAVP,EAWpBA,iBAAiB,IAAI,CAAtB,GAA2B,IAXN,EAYrBA,iBAAiB,GAAG,IAZC,EAapBC,iBAAiB,IAAI,EAbD,EAcpBA,iBAAiB,IAAI,EAAtB,GAA4B,IAdP,EAepBA,iBAAiB,IAAI,CAAtB,GAA2B,IAfN,EAgBrBA,iBAAiB,GAAG,IAhBC,EAiBrB,IAjBqB,EAiBf,IAjBe,EAiBT,IAjBS,EAiBH,IAjBG,EAiBG;AACxB,QAlBqB,EAkBf,IAlBe,EAkBT;AACZ,QAnBqB,EAmBf,IAnBe,EAmBT;AACZ,QApBqB,EAoBf,IApBe,EAoBT,IApBS,EAoBH,IApBG,EAoBG;AACxB,QArBqB,EAqBf,IArBe,EAqBT,IArBS,EAqBH,IArBG,EAqBG;AACxB,QAtBqB,EAsBf,IAtBe,EAsBT,IAtBS,EAsBH,IAtBG,EAuBrB,IAvBqB,EAuBf,IAvBe,EAuBT,IAvBS,EAuBH,IAvBG,EAwBrB,IAxBqB,EAwBf,IAxBe,EAwBT,IAxBS,EAwBH,IAxBG,EAyBrB,IAzBqB,EAyBf,IAzBe,EAyBT,IAzBS,EAyBH,IAzBG,EA0BrB,IA1BqB,EA0Bf,IA1Be,EA0BT,IA1BS,EA0BH,IA1BG,EA2BrB,IA3BqB,EA2Bf,IA3Be,EA2BT,IA3BS,EA2BH,IA3BG,EA4BrB,IA5BqB,EA4Bf,IA5Be,EA4BT,IA5BS,EA4BH,IA5BG,EA6BrB,IA7BqB,EA6Bf,IA7Be,EA6BT,IA7BS,EA6BH,IA7BG,EA8BrB,IA9BqB,EA8Bf,IA9Be,EA8BT,IA9BS,EA8BH,IA9BG,EA8BG;AACxB,QA/BqB,EA+Bf,IA/Be,EA+BT,IA/BS,EA+BH,IA/BG,EAgCrB,IAhCqB,EAgCf,IAhCe,EAgCT,IAhCS,EAgCH,IAhCG,EAiCrB,IAjCqB,EAiCf,IAjCe,EAiCT,IAjCS,EAiCH,IAjCG,EAkCrB,IAlCqB,EAkCf,IAlCe,EAkCT,IAlCS,EAkCH,IAlCG,EAmCrB,IAnCqB,EAmCf,IAnCe,EAmCT,IAnCS,EAmCH,IAnCG,EAoCrB,IApCqB,EAoCf,IApCe,EAoCT,IApCS,EAoCH,IApCG,EAoCG;AACxB,QArCqB,EAqCf,IArCe,EAqCT,IArCS,EAqCH,IArCG,CAqCE;AArCF,KAAf,CADV;AAwCA,WAAO9D,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUkB,IAAlB,EAAwB3D,KAAxB,CAAP;AACD,G;;MAEM6D,I,GAAP,cAAa9T,KAAb,EAAoB;AAClB,QACEa,OAAO,GAAGb,KAAK,CAACa,OAAN,IAAiB,EAD7B;AAAA,QAEEoP,KAAK,GAAG,IAAI7L,UAAJ,CAAe,IAAIvD,OAAO,CAACpH,MAA3B,CAFV;AAAA,QAGEod,KAHF;AAAA,QAIEze,CAJF,CADkB,CAMlB;AACA;;AACA,SAAKA,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGyI,OAAO,CAACpH,MAAxB,EAAgCrB,CAAC,EAAjC,EAAqC;AACnCye,WAAK,GAAGhW,OAAO,CAACzI,CAAD,CAAP,CAAWye,KAAnB;AACA5G,WAAK,CAAC7X,CAAC,GAAG,CAAL,CAAL,GAAgBye,KAAK,CAACC,SAAN,IAAmB,CAApB,GACZD,KAAK,CAACE,YAAN,IAAsB,CADV,GAEZF,KAAK,CAACG,aAFT;AAGD;;AAED,WAAOxE,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUoB,IAAlB,EAAwB7D,KAAxB,CAAP;AACD,G;;MAEM8D,I,GAAP,cAAa/T,KAAb,EAAoB;AAClB,WAAOwS,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUqB,IAAlB,EAAwBvB,GAAG,CAAC0B,IAAJ,CAASlU,KAAT,CAAxB,EAAyCwS,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAU0B,IAAlB,EAAwB5B,GAAG,CAAC2C,IAA5B,CAAzC,EAA4E3C,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUuB,IAAlB,EAAwBzB,GAAG,CAAC4C,IAA5B,CAA5E,EAA+G5C,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUyB,IAAlB,EAAwB3B,GAAG,CAAC8C,IAA5B,CAA/G,EAAkJ9C,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUsB,IAAlB,EAAwBxB,GAAG,CAAC6C,IAA5B,CAAlJ,CAAP;AACD,G;;MAEM1C,I,GAAP,cAAa3S,KAAb,EAAoB;AAClB,QAAI0O,GAAG,GAAG,EAAV;AAAA,QAAcmC,GAAG,GAAG,EAApB;AAAA,QAAwBzY,CAAxB;AAAA,QAA2B1B,IAA3B;AAAA,QAAiCiL,GAAjC,CADkB,CAElB;;AAEA,SAAKvJ,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG4H,KAAK,CAAC0O,GAAN,CAAUjV,MAA1B,EAAkCrB,CAAC,EAAnC,EAAuC;AACrC1B,UAAI,GAAGsJ,KAAK,CAAC0O,GAAN,CAAUtW,CAAV,CAAP;AACAuJ,SAAG,GAAGjL,IAAI,CAACS,UAAX;AACAuX,SAAG,CAAC5N,IAAJ,CAAUa,GAAG,KAAK,CAAT,GAAc,IAAvB;AACA+M,SAAG,CAAC5N,IAAJ,CAAUa,GAAG,GAAG,IAAhB,EAJqC,CAMrC;;AACA+M,SAAG,GAAGA,GAAG,CAACkI,MAAJ,CAAW1X,KAAK,CAAC+W,SAAN,CAAgB1e,KAAhB,CAAsB2e,IAAtB,CAA2Bxf,IAA3B,CAAX,CAAN;AACD,KAZiB,CAclB;;;AACA,SAAK0B,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG4H,KAAK,CAAC6Q,GAAN,CAAUpX,MAA1B,EAAkCrB,CAAC,EAAnC,EAAuC;AACrC1B,UAAI,GAAGsJ,KAAK,CAAC6Q,GAAN,CAAUzY,CAAV,CAAP;AACAuJ,SAAG,GAAGjL,IAAI,CAACS,UAAX;AACA0Z,SAAG,CAAC/P,IAAJ,CAAUa,GAAG,KAAK,CAAT,GAAc,IAAvB;AACAkP,SAAG,CAAC/P,IAAJ,CAAUa,GAAG,GAAG,IAAhB;AAEAkP,SAAG,GAAGA,GAAG,CAAC+F,MAAJ,CAAW1X,KAAK,CAAC+W,SAAN,CAAgB1e,KAAhB,CAAsB2e,IAAtB,CAA2Bxf,IAA3B,CAAX,CAAN;AACD;;AAED,QAAIugB,IAAI,GAAGzE,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUE,IAAlB,EAAwB,IAAIxO,UAAJ,CAAe,CAC9C,IAD8C,EACxC;AACNsK,OAAG,CAAC,CAAD,CAF2C,EAEtC;AACRA,OAAG,CAAC,CAAD,CAH2C,EAGtC;AACRA,OAAG,CAAC,CAAD,CAJ2C,EAItC;AACR,WAAO,CALuC,EAKpC;AACV,WAAO1O,KAAK,CAAC0O,GAAN,CAAUjV,MAN6B,CAMtB;AANsB,MAO9Cmd,MAP8C,CAOvClI,GAPuC,EAOlCkI,MAPkC,CAO3B,CACnB5W,KAAK,CAAC6Q,GAAN,CAAUpX,MADS,CACF;AADE,KAP2B,EAS7Cmd,MAT6C,CAStC/F,GATsC,CAAf,CAAxB,CAAX;AAAA,QASoB;AAClB3J,SAAK,GAAGlH,KAAK,CAACkH,KAVhB;AAAA,QAWEE,MAAM,GAAGpH,KAAK,CAACoH,MAXjB;AAAA,QAYE8P,QAAQ,GAAGlX,KAAK,CAACgH,UAAN,CAAiB,CAAjB,CAZb;AAAA,QAaEmQ,QAAQ,GAAGnX,KAAK,CAACgH,UAAN,CAAiB,CAAjB,CAbb;AAeA,WAAOwL,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUC,IAAlB,EAAwB,IAAIvO,UAAJ,CAAe,CAC5C,IAD4C,EACtC,IADsC,EAChC,IADgC,EAC1B;AAClB,QAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AAClB,QAH4C,EAGtC,IAHsC,EAGhC;AACZ,QAJ4C,EAItC,IAJsC,EAIhC;AACZ,QAL4C,EAKtC,IALsC,EAKhC;AACZ,QAN4C,EAMtC,IANsC,EAMhC,IANgC,EAM1B,IAN0B,EAO5C,IAP4C,EAOtC,IAPsC,EAOhC,IAPgC,EAO1B,IAP0B,EAQ5C,IAR4C,EAQtC,IARsC,EAQhC,IARgC,EAQ1B,IAR0B,EAQpB;AACvB8C,SAAK,IAAI,CAAV,GAAe,IAT6B,EAU5CA,KAAK,GAAG,IAVoC,EAU9B;AACbE,UAAM,IAAI,CAAX,GAAgB,IAX4B,EAY5CA,MAAM,GAAG,IAZmC,EAY7B;AACf,QAb4C,EAatC,IAbsC,EAahC,IAbgC,EAa1B,IAb0B,EAapB;AACxB,QAd4C,EActC,IAdsC,EAchC,IAdgC,EAc1B,IAd0B,EAcpB;AACxB,QAf4C,EAetC,IAfsC,EAehC,IAfgC,EAe1B,IAf0B,EAepB;AACxB,QAhB4C,EAgBtC,IAhBsC,EAgBhC;AACZ,QAjB4C,EAkB5C,IAlB4C,EAkBtC,IAlBsC,EAkBhC,IAlBgC,EAkB1B,IAlB0B,EAkBpB;AACxB,QAnB4C,EAmBtC,IAnBsC,EAmBhC,IAnBgC,EAmB1B,IAnB0B,EAoB5C,IApB4C,EAoBtC,IApBsC,EAoBhC,IApBgC,EAoB1B,IApB0B,EAqB5C,IArB4C,EAqBtC,IArBsC,EAqBhC,IArBgC,EAqB1B,IArB0B,EAsB5C,IAtB4C,EAsBtC,IAtBsC,EAsBhC,IAtBgC,EAsB1B,IAtB0B,EAuB5C,IAvB4C,EAuBtC,IAvBsC,EAuBhC,IAvBgC,EAuB1B,IAvB0B,EAwB5C,IAxB4C,EAwBtC,IAxBsC,EAwBhC,IAxBgC,EAwB1B,IAxB0B,EAyB5C,IAzB4C,EAyBtC,IAzBsC,EAyBhC,IAzBgC,EAyB1B;AAClB,QA1B4C,EA0BtC,IA1BsC,EA0BhC;AACZ,QA3B4C,EA2BtC,IA3BsC,CAAf,CAAxB,EA2BS;AAChB6P,QA5BO,EA6BPzE,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUG,IAAlB,EAAwB,IAAIzO,UAAJ,CAAe,CACrC,IADqC,EAC/B,IAD+B,EACzB,IADyB,EACnB,IADmB,EACb;AACxB,QAFqC,EAE/B,IAF+B,EAEzB,IAFyB,EAEnB,IAFmB,EAEb;AACxB,QAHqC,EAG/B,IAH+B,EAGzB,IAHyB,EAGnB,IAHmB,CAAf,CAAxB,CA7BO,EAgCsB;AAC7BoO,OAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUmB,IAAlB,EAAwB,IAAIzP,UAAJ,CAAe,CACpC8S,QAAQ,IAAI,EADwB,EACnB;AACjBA,YAAQ,IAAI,EAAb,GAAmB,IAFkB,EAGpCA,QAAQ,IAAI,CAAb,GAAkB,IAHmB,EAIrCA,QAAQ,GAAG,IAJ0B,EAKpCC,QAAQ,IAAI,EALwB,EAKnB;AACjBA,YAAQ,IAAI,EAAb,GAAmB,IANkB,EAOpCA,QAAQ,IAAI,CAAb,GAAkB,IAPmB,EAQrCA,QAAQ,GAAG,IAR0B,CAAf,CAAxB,CAjCO,CAAP;AA2CD,G;;MAEMnE,I,GAAP,cAAahT,KAAb,EAAoB;AAClB,QAAIoX,SAAS,GAAGpX,KAAK,CAAC5D,MAAN,CAAa3C,MAA7B;AACA,WAAO,IAAI2K,UAAJ,CAAe,CACpB,IADoB,EACd;AACN,QAFoB,EAEd,IAFc,EAER,IAFQ,EAEF;AAElB,QAJoB,EAId;AACN,WAAOgT,SALa,EAKF;AAClB,QANoB,EAMd,IANc,EAMR;AACZ,QAPoB,EAOd;AAEN,QAToB,EASd;AACN,WAAOA,SAVa,EAUF;AAClB,QAXoB,EAWd;AACN,QAZoB,EAYd;AACN,QAboB,EAad,IAbc,EAaR,IAbQ,EAaF;AAClB,QAdoB,EAcd,IAdc,EAcR,IAdQ,EAcF,IAdE,EAcI;AACxB,QAfoB,EAed,IAfc,EAeR,IAfQ,EAeF,IAfE,EAeI;AAExB,QAjBoB,CAiBf;AAjBe,MAkBpBR,MAlBoB,CAkBb,CAACQ,SAAD,CAlBa,EAkBAR,MAlBA,CAkBO5W,KAAK,CAAC5D,MAlBb,EAkBqBwa,MAlBrB,CAkB4B,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,CAlB5B,CAAf,CAAP,CAFkB,CAoBsD;AACzE,G;;MAEMlD,I,GAAP,cAAa1T,KAAb,EAAoB;AAClB,QAAIZ,UAAU,GAAGY,KAAK,CAACZ,UAAvB;AACA,WAAOoT,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUgB,IAAlB,EAAwB,IAAItP,UAAJ,CAAe,CAC5C,IAD4C,EACtC,IADsC,EAChC,IADgC,EAC1B;AAClB,QAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AAClB,QAH4C,EAGtC,IAHsC,EAGhC;AACZ,QAJ4C,EAItC,IAJsC,EAIhC,IAJgC,EAI1B,IAJ0B,EAK5C,IAL4C,EAKtC,IALsC,EAKhC,IALgC,EAK1B,IAL0B,EAKpB;AACxB,QAN4C,EAMtCpE,KAAK,CAACX,YANgC,EAMlB;AAC1B,QAP4C,EAOtC,IAPsC,EAOhC;AACZ,QAR4C,EAQtC,IARsC,EAQhC,IARgC,EAQ1B,IAR0B,EAQpB;AACvBD,cAAU,IAAI,CAAf,GAAoB,IATwB,EAU5CA,UAAU,GAAG,IAV+B,EAUzB;AACnB,QAX4C,EAWtC,IAXsC,CAAf,CAAxB,EAYPoT,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUM,IAAlB,EAAwBR,GAAG,CAACQ,IAAJ,CAAShT,KAAT,CAAxB,CAZO,CAAP;AAaD,G;;MAEM2M,G,GAAP,aAAY3M,KAAZ,EAAmB;AACjB,QAAIZ,UAAU,GAAGY,KAAK,CAACZ,UAAvB;AACA,WAAOoT,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAU,MAAV,CAAR,EAA2B,IAAItO,UAAJ,CAAe,CAC/C,IAD+C,EACzC,IADyC,EACnC,IADmC,EAC7B;AAClB,QAF+C,EAEzC,IAFyC,EAEnC,IAFmC,EAE7B;AAClB,QAH+C,EAGzC,IAHyC,EAGnC;AACZ,QAJ+C,EAIzC,IAJyC,EAInC,IAJmC,EAI7B,IAJ6B,EAK/C,IAL+C,EAKzC,IALyC,EAKnC,IALmC,EAK7B,IAL6B,EAKvB;AACxB,QAN+C,EAMzCpE,KAAK,CAACX,YANmC,EAMrB;AAC1B,QAP+C,EAOzC,IAPyC,EAOnC;AACZ,QAR+C,EAQzC,IARyC,EAQnC,IARmC,EAQ7B,IAR6B,EAQvB;AACvBD,cAAU,IAAI,CAAf,GAAoB,IAT2B,EAU/CA,UAAU,GAAG,IAVkC,EAU5B;AACnB,QAX+C,EAWzC,IAXyC,CAAf,CAA3B,CAAP;AAYD,G;;MAEM8U,I,GAAP,cAAalU,KAAb,EAAoB;AAClB,QAAIA,KAAK,CAACnC,IAAN,KAAe,OAAnB,EAA4B;AAC1B,UAAI,CAACmC,KAAK,CAAC0B,KAAP,IAAgB1B,KAAK,CAACV,KAAN,KAAgB,KAApC,EAA2C;AACzC,eAAOkT,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUwB,IAAlB,EAAwB1B,GAAG,CAACiD,IAA5B,EAAkCjD,GAAG,CAAC7F,GAAJ,CAAQ3M,KAAR,CAAlC,CAAP;AACD;;AAED,aAAOwS,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUwB,IAAlB,EAAwB1B,GAAG,CAACiD,IAA5B,EAAkCjD,GAAG,CAACkB,IAAJ,CAAS1T,KAAT,CAAlC,CAAP;AACD,KAND,MAMO;AACL,aAAOwS,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUwB,IAAlB,EAAwB1B,GAAG,CAACiD,IAA5B,EAAkCjD,GAAG,CAACG,IAAJ,CAAS3S,KAAT,CAAlC,CAAP;AACD;AACF,G;;MAEM2U,I,GAAP,cAAa3U,KAAb,EAAoB;AAClB,QAAIwB,EAAE,GAAGxB,KAAK,CAACwB,EAAf;AAAA,QACEH,QAAQ,GAAGrB,KAAK,CAACqB,QAAN,GAAiBrB,KAAK,CAACoW,SADpC;AAAA,QAEElP,KAAK,GAAGlH,KAAK,CAACkH,KAFhB;AAAA,QAGEE,MAAM,GAAGpH,KAAK,CAACoH,MAHjB;AAAA,QAIEiP,iBAAiB,GAAG/R,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAIiR,UAAU,GAAG,CAAjB,CAAnB,CAJtB;AAAA,QAKEgE,iBAAiB,GAAGhS,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAIiR,UAAU,GAAG,CAAjB,CAAnB,CALtB;AAMA,WAAOE,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUiC,IAAlB,EAAwB,IAAIvQ,UAAJ,CAAe,CAC5C,IAD4C,EACtC;AACN,QAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AAClB,QAH4C,EAGtC,IAHsC,EAGhC,IAHgC,EAG1B,IAH0B,EAGpB,IAHoB,EAGd,IAHc,EAGR,IAHQ,EAGF,IAHE,EAGI;AAChD,QAJ4C,EAItC,IAJsC,EAIhC,IAJgC,EAI1B,IAJ0B,EAIpB,IAJoB,EAId,IAJc,EAIR,IAJQ,EAIF,IAJE,EAII;AAC/C5C,MAAE,IAAI,EAAP,GAAa,IAL+B,EAM3CA,EAAE,IAAI,EAAP,GAAa,IAN+B,EAO3CA,EAAE,IAAI,CAAP,GAAY,IAPgC,EAQ5CA,EAAE,GAAG,IARuC,EAQjC;AACX,QAT4C,EAStC,IATsC,EAShC,IATgC,EAS1B,IAT0B,EASpB;AACvB6U,qBAAiB,IAAI,EAVsB,EAW3CA,iBAAiB,IAAI,EAAtB,GAA4B,IAXgB,EAY3CA,iBAAiB,IAAI,CAAtB,GAA2B,IAZiB,EAa5CA,iBAAiB,GAAG,IAbwB,EAc3CC,iBAAiB,IAAI,EAdsB,EAe3CA,iBAAiB,IAAI,EAAtB,GAA4B,IAfgB,EAgB3CA,iBAAiB,IAAI,CAAtB,GAA2B,IAhBiB,EAiB5CA,iBAAiB,GAAG,IAjBwB,EAkB5C,IAlB4C,EAkBtC,IAlBsC,EAkBhC,IAlBgC,EAkB1B,IAlB0B,EAmB5C,IAnB4C,EAmBtC,IAnBsC,EAmBhC,IAnBgC,EAmB1B,IAnB0B,EAmBpB;AACxB,QApB4C,EAoBtC,IApBsC,EAoBhC;AACZ,QArB4C,EAqBtC,IArBsC,EAqBhC;AACZ,QAtB4C,EAsBtC,IAtBsC,EAsBhC;AACZ,QAvB4C,EAuBtC,IAvBsC,EAuBhC;AACZ,QAxB4C,EAwBtC,IAxBsC,EAwBhC,IAxBgC,EAwB1B,IAxB0B,EAyB5C,IAzB4C,EAyBtC,IAzBsC,EAyBhC,IAzBgC,EAyB1B,IAzB0B,EA0B5C,IA1B4C,EA0BtC,IA1BsC,EA0BhC,IA1BgC,EA0B1B,IA1B0B,EA2B5C,IA3B4C,EA2BtC,IA3BsC,EA2BhC,IA3BgC,EA2B1B,IA3B0B,EA4B5C,IA5B4C,EA4BtC,IA5BsC,EA4BhC,IA5BgC,EA4B1B,IA5B0B,EA6B5C,IA7B4C,EA6BtC,IA7BsC,EA6BhC,IA7BgC,EA6B1B,IA7B0B,EA8B5C,IA9B4C,EA8BtC,IA9BsC,EA8BhC,IA9BgC,EA8B1B,IA9B0B,EA+B5C,IA/B4C,EA+BtC,IA/BsC,EA+BhC,IA/BgC,EA+B1B,IA/B0B,EAgC5C,IAhC4C,EAgCtC,IAhCsC,EAgChC,IAhCgC,EAgC1B,IAhC0B,EAgCpB;AACvBpP,SAAK,IAAI,CAAV,GAAe,IAjC6B,EAkC5CA,KAAK,GAAG,IAlCoC,EAmC5C,IAnC4C,EAmCtC,IAnCsC,EAmChC;AACXE,UAAM,IAAI,CAAX,GAAgB,IApC4B,EAqC5CA,MAAM,GAAG,IArCmC,EAsC5C,IAtC4C,EAsCtC,IAtCsC,CAsCjC;AAtCiC,KAAf,CAAxB,CAAP;AAwCD,G;;MAEMmN,I,GAAP,cAAavU,KAAb,EAAoBwW,mBAApB,EAAyC;AACvC,QAAIa,qBAAqB,GAAG7E,GAAG,CAACsB,IAAJ,CAAS9T,KAAT,CAA5B;AAAA,QACEwB,EAAE,GAAGxB,KAAK,CAACwB,EADb;AAAA,QAEE8V,4BAA4B,GAAGhT,IAAI,CAACkE,KAAL,CAAWgO,mBAAmB,IAAIlE,UAAU,GAAG,CAAjB,CAA9B,CAFjC;AAAA,QAGEiF,4BAA4B,GAAGjT,IAAI,CAACkE,KAAL,CAAWgO,mBAAmB,IAAIlE,UAAU,GAAG,CAAjB,CAA9B,CAHjC;AAIA,WAAOE,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAU6B,IAAlB,EACL/B,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAU4B,IAAlB,EAAwB,IAAIlQ,UAAJ,CAAe,CACrC,IADqC,EAC/B;AACN,QAFqC,EAE/B,IAF+B,EAEzB,IAFyB,EAEnB;AACjB5C,MAAE,IAAI,EAH8B,EAIpCA,EAAE,IAAI,EAAP,GAAa,IAJwB,EAKpCA,EAAE,IAAI,CAAP,GAAY,IALyB,EAMpCA,EAAE,GAAG,IAN+B,CAAf,CAAxB,CADK,EASLgR,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAU2B,IAAlB,EAAwB,IAAIjQ,UAAJ,CAAe,CACrC,IADqC,EAC/B;AACN,QAFqC,EAE/B,IAF+B,EAEzB,IAFyB,EAEnB;AACjBkT,gCAA4B,IAAI,EAHI,EAIpCA,4BAA4B,IAAI,EAAjC,GAAuC,IAJF,EAKpCA,4BAA4B,IAAI,CAAjC,GAAsC,IALD,EAMpCA,4BAA4B,GAAG,IANK,EAOpCC,4BAA4B,IAAI,EAPI,EAQpCA,4BAA4B,IAAI,EAAjC,GAAuC,IARF,EASpCA,4BAA4B,IAAI,CAAjC,GAAsC,IATD,EAUpCA,4BAA4B,GAAG,IAVK,CAAf,CAAxB,CATK,EAqBL/E,GAAG,CAACiC,IAAJ,CAASzU,KAAT,EACEqX,qBAAqB,CAAC5d,MAAtB,GACY,EADZ,GACiB;AACL,MAFZ,GAEiB;AACL,KAHZ,GAGgB;AACJ,MAJZ,GAIiB;AACL,KALZ,GAKgB;AACJ,KAPd,CArBK,EA4Ba;AAClB4d,yBA7BK,CAAP;AA8BD;AAED;;;;;;;MAKO7C,I,GAAP,cAAaxU,KAAb,EAAoB;AAClBA,SAAK,CAACqB,QAAN,GAAiBrB,KAAK,CAACqB,QAAN,IAAkB,UAAnC;AACA,WAAOmR,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAU8B,IAAlB,EAAwBhC,GAAG,CAACmC,IAAJ,CAAS3U,KAAT,CAAxB,EAAyCwS,GAAG,CAACa,IAAJ,CAASrT,KAAT,CAAzC,CAAP;AACD,G;;MAEM0U,I,GAAP,cAAa1U,KAAb,EAAoB;AAClB,QAAIwB,EAAE,GAAGxB,KAAK,CAACwB,EAAf;AACA,WAAOgR,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUgC,IAAlB,EAAwB,IAAItQ,UAAJ,CAAe,CAC5C,IAD4C,EACtC;AACN,QAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AACjB5C,MAAE,IAAI,EAHqC,EAI3CA,EAAE,IAAI,EAAP,GAAa,IAJ+B,EAK3CA,EAAE,IAAI,CAAP,GAAY,IALgC,EAM3CA,EAAE,GAAG,IANsC,EAM/B;AACb,QAP4C,EAOtC,IAPsC,EAOhC,IAPgC,EAO1B,IAP0B,EAOpB;AACxB,QAR4C,EAQtC,IARsC,EAQhC,IARgC,EAQ1B,IAR0B,EAQpB;AACxB,QAT4C,EAStC,IATsC,EAShC,IATgC,EAS1B,IAT0B,EASpB;AACxB,QAV4C,EAUtC,IAVsC,EAUhC,IAVgC,EAU1B,IAV0B,CAUrB;AAVqB,KAAf,CAAxB,CAAP;AAYD,G;;MAEMiT,I,GAAP,cAAazU,KAAb,EAAoBxG,MAApB,EAA4B;AAC1B,QAAIqH,OAAO,GAAGb,KAAK,CAACa,OAAN,IAAiB,EAA/B;AAAA,QACEc,GAAG,GAAGd,OAAO,CAACpH,MADhB;AAAA,QAEE+d,QAAQ,GAAG,KAAM,KAAK7V,GAFxB;AAAA,QAGEuP,KAAK,GAAG,IAAI9M,UAAJ,CAAeoT,QAAf,CAHV;AAAA,QAIEpf,CAJF;AAAA,QAIK2I,MAJL;AAAA,QAIaM,QAJb;AAAA,QAIuBwD,IAJvB;AAAA,QAI6BgS,KAJ7B;AAAA,QAIoCY,GAJpC;AAKAje,UAAM,IAAI,IAAIge,QAAd;AACAtG,SAAK,CAAC1M,GAAN,CAAU,CACR,IADQ,EACF;AACN,QAFQ,EAEF,IAFE,EAEI,IAFJ,EAEU;AACjB7C,OAAG,KAAK,EAAT,GAAe,IAHP,EAIPA,GAAG,KAAK,EAAT,GAAe,IAJP,EAKPA,GAAG,KAAK,CAAT,GAAc,IALN,EAMRA,GAAG,GAAG,IANE,EAMI;AACXnI,UAAM,KAAK,EAAZ,GAAkB,IAPV,EAQPA,MAAM,KAAK,EAAZ,GAAkB,IARV,EASPA,MAAM,KAAK,CAAZ,GAAiB,IATT,EAURA,MAAM,GAAG,IAVD,CAUM;AAVN,KAAV,EAWG,CAXH;;AAYA,SAAKpB,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGuJ,GAAhB,EAAqBvJ,CAAC,EAAtB,EAA0B;AACxB2I,YAAM,GAAGF,OAAO,CAACzI,CAAD,CAAhB;AACAiJ,cAAQ,GAAGN,MAAM,CAACM,QAAlB;AACAwD,UAAI,GAAG9D,MAAM,CAAC8D,IAAd;AACAgS,WAAK,GAAG9V,MAAM,CAAC8V,KAAf;AACAY,SAAG,GAAG1W,MAAM,CAAC0W,GAAb;AACAvG,WAAK,CAAC1M,GAAN,CAAU,CACPnD,QAAQ,KAAK,EAAd,GAAoB,IADZ,EAEPA,QAAQ,KAAK,EAAd,GAAoB,IAFZ,EAGPA,QAAQ,KAAK,CAAd,GAAmB,IAHX,EAIRA,QAAQ,GAAG,IAJH,EAIS;AAChBwD,UAAI,KAAK,EAAV,GAAgB,IALR,EAMPA,IAAI,KAAK,EAAV,GAAgB,IANR,EAOPA,IAAI,KAAK,CAAV,GAAe,IAPP,EAQRA,IAAI,GAAG,IARC,EAQK;AACZgS,WAAK,CAACa,SAAN,IAAmB,CAApB,GAAyBb,KAAK,CAACC,SATvB,EAUPD,KAAK,CAACE,YAAN,IAAsB,CAAvB,GACGF,KAAK,CAACG,aAAN,IAAuB,CAD1B,GAEGH,KAAK,CAACc,YAAN,IAAsB,CAFzB,GAGEd,KAAK,CAACe,SAbA,EAcRf,KAAK,CAACgB,UAAN,GAAmB,QAAQ,CAdnB,EAeRhB,KAAK,CAACgB,UAAN,GAAmB,IAfX,EAeiB;AACxBJ,SAAG,KAAK,EAAT,GAAe,IAhBP,EAiBPA,GAAG,KAAK,EAAT,GAAe,IAjBP,EAkBPA,GAAG,KAAK,CAAT,GAAc,IAlBN,EAmBRA,GAAG,GAAG,IAnBE,CAmBG;AAnBH,OAAV,EAoBG,KAAK,KAAKrf,CApBb;AAqBD;;AACD,WAAOoa,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAU+B,IAAlB,EAAwBvD,KAAxB,CAAP;AACD,G;;MAEM/P,W,GAAP,qBAAoBsV,MAApB,EAA4B;AAC1B,QAAI,CAACjE,GAAG,CAACE,KAAT,EAAgB;AACdF,SAAG,CAACC,IAAJ;AACD;;AAED,QAAIqF,KAAK,GAAGtF,GAAG,CAACiB,IAAJ,CAASgD,MAAT,CAAZ;AAAA,QAA8BlZ,MAA9B;AACAA,UAAM,GAAG,IAAI6G,UAAJ,CAAeoO,GAAG,CAACqD,IAAJ,CAAS1e,UAAT,GAAsB2gB,KAAK,CAAC3gB,UAA3C,CAAT;AACAoG,UAAM,CAACiH,GAAP,CAAWgO,GAAG,CAACqD,IAAf;AACAtY,UAAM,CAACiH,GAAP,CAAWsT,KAAX,EAAkBtF,GAAG,CAACqD,IAAJ,CAAS1e,UAA3B;AACA,WAAOoG,MAAP;AACD,G;;;;;AAGYiV,qDAAf,E;;AC5oBA,IAAMuF,qBAAqB,GAAG,KAA9B;AAEO,SAASC,oBAAT,CAA+B7G,KAA/B,EAAsC8G,SAAtC,EAAyDC,QAAzD,EAA+E/J,KAA/E,EAA+G;AAAA,MAAtD+J,QAAsD;AAAtDA,YAAsD,GAAnC,CAAmC;AAAA;;AAAA,MAAhC/J,KAAgC;AAAhCA,SAAgC,GAAf,KAAe;AAAA;;AACpH,SAAOgK,mBAAmB,CAAChH,KAAD,EAAQ8G,SAAR,EAAmB,IAAIC,QAAvB,CAA1B;AACD;AAEM,SAASC,mBAAT,CAA8BhH,KAA9B,EAAqC8G,SAArC,EAAwDG,OAAxD,EAA6EjK,KAA7E,EAA6G;AAAA,MAArDiK,OAAqD;AAArDA,WAAqD,GAAnC,CAAmC;AAAA;;AAAA,MAAhCjK,KAAgC;AAAhCA,SAAgC,GAAf,KAAe;AAAA;;AAClH,MAAM5Q,MAAM,GAAG4T,KAAK,GAAG8G,SAAR,GAAoBG,OAAnC,CADkH,CACtE;;AAC5C,SAAOjK,KAAK,GAAG7J,IAAI,CAAC6J,KAAL,CAAW5Q,MAAX,CAAH,GAAwBA,MAApC;AACD;AAEM,SAAS8a,mBAAT,CAA8BlH,KAA9B,EAA6ChD,KAA7C,EAA6E;AAAA,MAAhCA,KAAgC;AAAhCA,SAAgC,GAAf,KAAe;AAAA;;AAClF,SAAOgK,mBAAmB,CAAChH,KAAD,EAAQ,IAAR,EAAc,IAAI4G,qBAAlB,EAAyC5J,KAAzC,CAA1B;AACD;AAEM,SAASmK,0BAAT,CAAqCnH,KAArC,EAAoD+G,QAApD,EAAkF;AAAA,MAA9BA,QAA8B;AAA9BA,YAA8B,GAAX,CAAW;AAAA;;AACvF,SAAOC,mBAAmB,CAAChH,KAAD,EAAQ4G,qBAAR,EAA+B,IAAIG,QAAnC,CAA1B;AACD,C;;ACjBD;;;AAIA;AACA;AAEA;AACA;AAEA;AAEA;AAEA,IAAMK,+BAA+B,GAAGD,0BAA0B,CAAC,EAAD,CAAlE;AACA,IAAME,6BAA6B,GAAGF,0BAA0B,CAAC,GAAD,CAAhE;;IAEMG,sB;;;AACJ,sBAAatc,QAAb,EAAuBC,MAAvB,EAA+BoN,aAA/B,EAA8CkP,MAA9C,EAAsD;AACpD,SAAKvc,QAAL,GAAgBA,QAAhB;AACA,SAAKC,MAAL,GAAcA,MAAd;AACA,SAAKoN,aAAL,GAAqBA,aAArB;AACA,QAAM7K,SAAS,GAAGC,SAAS,CAACD,SAA5B;AACA,SAAKga,QAAL,GAAgBD,MAAM,IAAIA,MAAM,CAACvZ,OAAP,CAAe,OAAf,IAA0B,CAAC,CAArC,IAA0CR,SAA1C,IAAuD,CAACA,SAAS,CAACia,KAAV,CAAgB,OAAhB,CAAxE;AACA,SAAKC,WAAL,GAAmB,KAAnB;AACD;;;;SAED/c,O,GAAA,mBAAW,CACV,C;;SAED+F,c,GAAA,wBAAgBiX,gBAAhB,EAAkC;AAChC,SAAK7L,QAAL,GAAgB,KAAKC,QAAL,GAAgB4L,gBAAhC;AACD,G;;SAED5X,gB,GAAA,4BAAoB;AAClB,SAAK2X,WAAL,GAAmB,KAAnB;AACD,G;;SAEDnW,K,GAAA,eAAOwI,UAAP,EAAmB4B,UAAnB,EAA+B3B,QAA/B,EAAyC4B,SAAzC,EAAoD5K,UAApD,EAAgEC,UAAhE,EAA4EC,kBAA5E,EAAgG;AAC9F;AACA,QAAI,CAAC,KAAKwW,WAAV,EAAuB;AACrB,WAAKE,UAAL,CAAgB7N,UAAhB,EAA4B4B,UAA5B,EAAwC3K,UAAxC;AACD;;AAED,QAAI,KAAK0W,WAAT,EAAsB;AACpB,UAAMG,cAAc,GAAG9N,UAAU,CAACrK,OAAX,CAAmBpH,MAA1C;AACA,UAAMwf,cAAc,GAAGnM,UAAU,CAACjM,OAAX,CAAmBpH,MAA1C;AACA,UAAIyf,eAAe,GAAG/W,UAAtB;AACA,UAAIgX,eAAe,GAAGhX,UAAtB;;AACA,UAAI6W,cAAc,IAAIC,cAAtB,EAAsC;AACpC;AACA;AACA;AACA;AACA,YAAIG,kBAAkB,GAAG,CAAClO,UAAU,CAACrK,OAAX,CAAmB,CAAnB,EAAsBV,GAAtB,GAA4B2M,UAAU,CAACjM,OAAX,CAAmB,CAAnB,EAAsBV,GAAnD,IAA0D2M,UAAU,CAAClL,cAA9F;AACAsX,uBAAe,IAAI5U,IAAI,CAAC+U,GAAL,CAAS,CAAT,EAAYD,kBAAZ,CAAnB;AACAD,uBAAe,IAAI7U,IAAI,CAAC+U,GAAL,CAAS,CAAT,EAAY,CAACD,kBAAb,CAAnB;AACD,OAbmB,CAcpB;AACA;AACA;;;AACA,UAAIJ,cAAJ,EAAoB;AAClB;AACA,YAAI,CAAC9N,UAAU,CAACkL,SAAhB,EAA2B;AACzBtZ,0BAAM,CAACgN,IAAP,CAAY,0CAAZ;AACA,eAAKiP,UAAL,CAAgB7N,UAAhB,EAA4B4B,UAA5B,EAAwC3K,UAAxC;AACD;;AACD,YAAIuJ,SAAS,GAAG,KAAK4N,UAAL,CAAgBpO,UAAhB,EAA4BgO,eAA5B,EAA6C9W,UAA7C,EAAyDC,kBAAzD,CAAhB,CANkB,CAOlB;;AACA,YAAI4W,cAAJ,EAAoB;AAClB,cAAIM,gBAAJ;;AACA,cAAI7N,SAAJ,EAAe;AACb6N,4BAAgB,GAAG7N,SAAS,CAAC8N,MAAV,GAAmB9N,SAAS,CAAC+N,QAAhD;AACD,WAJiB,CAMlB;;;AACA,cAAI,CAAC3M,UAAU,CAACsJ,SAAhB,EAA2B;AACzBtZ,4BAAM,CAACgN,IAAP,CAAY,0CAAZ;AACA,iBAAKiP,UAAL,CAAgB7N,UAAhB,EAA4B4B,UAA5B,EAAwC3K,UAAxC;AACD;;AACD,eAAKuX,UAAL,CAAgB5M,UAAhB,EAA4BqM,eAA5B,EAA6C/W,UAA7C,EAAyDmX,gBAAzD,EAA2ElX,kBAA3E;AACD;AACF,OArBD,MAqBO;AACL;AACA,YAAI4W,cAAJ,EAAoB;AAClB,cAAIU,SAAS,GAAG,KAAKD,UAAL,CAAgB5M,UAAhB,EAA4BqM,eAA5B,EAA6C/W,UAA7C,EAAyD,CAAzD,EAA4DC,kBAA5D,CAAhB;;AACA,cAAIsX,SAAS,IAAIzO,UAAU,CAAC5L,KAA5B,EAAmC;AACjC,iBAAKsa,eAAL,CAAqB1O,UAArB,EAAiCgO,eAAjC,EAAkD9W,UAAlD,EAA8DuX,SAA9D;AACD;AACF;AACF;AACF,KArD6F,CAsD9F;;;AACA,QAAIxO,QAAQ,CAACtK,OAAT,CAAiBpH,MAArB,EAA6B;AAC3B,WAAKogB,QAAL,CAAc1O,QAAd,EAAwBhJ,UAAxB;AACD,KAzD6F,CA2D9F;;;AACA,QAAI4K,SAAS,CAAClM,OAAV,CAAkBpH,MAAtB,EAA8B;AAC5B,WAAKqgB,SAAL,CAAe/M,SAAf,EAA0B5K,UAA1B;AACD,KA9D6F,CAgE9F;;;AACA,SAAKhG,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACoc,WAA5B;AACD,G;;SAEDhB,U,GAAA,oBAAY7N,UAAZ,EAAwB4B,UAAxB,EAAoC3K,UAApC,EAAgD;AAC9C,QAAIhG,QAAQ,GAAG,KAAKA,QAApB;AAAA,QACE6d,YAAY,GAAG9O,UAAU,CAACrK,OAD5B;AAAA,QAEEoZ,YAAY,GAAGnN,UAAU,CAACjM,OAF5B;AAAA,QAGE2I,aAAa,GAAG,KAAKA,aAHvB;AAAA,QAIEjI,SAAS,GAAG,WAJd;AAAA,QAKEkV,MAAM,GAAG,EALX;AAAA,QAME/f,IAAI,GAAG;AAAE+f,YAAM,EAAEA;AAAV,KANT;AAAA,QAOEyD,aAAa,GAAI,KAAKjN,QAAL,KAAkBlR,SAPrC;AAAA,QAQEoe,OARF;AAAA,QAQWC,OARX;;AAUA,QAAIF,aAAJ,EAAmB;AACjBC,aAAO,GAAGC,OAAO,GAAGC,QAApB;AACD;;AAED,QAAInP,UAAU,CAAC9O,MAAX,IAAqB4d,YAAY,CAACvgB,MAAtC,EAA8C;AAC5C;AACA;AACA;AACA;AACAyR,gBAAU,CAACkL,SAAX,GAAuBlL,UAAU,CAAC9L,UAAlC;AACAtC,sBAAM,CAACC,GAAP,4BAAoCmO,UAAU,CAAC9L,UAA/C;;AACA,UAAI,CAAC8L,UAAU,CAACxJ,KAAhB,EAAuB;AACrB,YAAI8H,aAAa,CAACkD,IAAlB,EAAwB;AAAE;AACxBnL,mBAAS,GAAG,YAAZ;AACA2J,oBAAU,CAAC5L,KAAX,GAAmB,EAAnB;AACD,SAHD,MAGO,IAAIkK,aAAa,CAACmD,GAAlB,EAAuB;AAAE;AAC9BzB,oBAAU,CAAC5L,KAAX,GAAmB,KAAnB;AACD;AACF;;AACDmX,YAAM,CAACrN,KAAP,GAAe;AACb7H,iBAAS,EAAEA,SADE;AAEbjC,aAAK,EAAE4L,UAAU,CAAC5L,KAFL;AAGb6B,mBAAW,EAAE,CAAC+J,UAAU,CAACxJ,KAAZ,IAAqB8H,aAAa,CAACkD,IAAnC,GAA0C,IAAItI,UAAJ,EAA1C,GAA6DoO,aAAG,CAACrR,WAAJ,CAAgB,CAAC+J,UAAD,CAAhB,CAH7D;AAIboP,gBAAQ,EAAE;AACRjb,sBAAY,EAAE6L,UAAU,CAAC7L;AADjB;AAJG,OAAf;;AAQA,UAAI6a,aAAJ,EAAmB;AACjB;AACAC,eAAO,GAAGC,OAAO,GAAGJ,YAAY,CAAC,CAAD,CAAZ,CAAgB7Z,GAAhB,GAAsB+K,UAAU,CAACtJ,cAAX,GAA4BO,UAAtE;AACD;AACF;;AAED,QAAI2K,UAAU,CAAC4B,GAAX,IAAkB5B,UAAU,CAAC+D,GAA7B,IAAoCoJ,YAAY,CAACxgB,MAArD,EAA6D;AAC3D;AACA;AACA,UAAMmI,cAAc,GAAGkL,UAAU,CAAClL,cAAlC;AACAkL,gBAAU,CAACsJ,SAAX,GAAuBxU,cAAvB;AACA6U,YAAM,CAACtN,KAAP,GAAe;AACb5H,iBAAS,EAAE,WADE;AAEbjC,aAAK,EAAEwN,UAAU,CAACxN,KAFL;AAGb6B,mBAAW,EAAEqR,aAAG,CAACrR,WAAJ,CAAgB,CAAC2L,UAAD,CAAhB,CAHA;AAIbwN,gBAAQ,EAAE;AACRpT,eAAK,EAAE4F,UAAU,CAAC5F,KADV;AAERE,gBAAM,EAAE0F,UAAU,CAAC1F;AAFX;AAJG,OAAf;;AASA,UAAI8S,aAAJ,EAAmB;AACjBC,eAAO,GAAG7V,IAAI,CAACC,GAAL,CAAS4V,OAAT,EAAkBF,YAAY,CAAC,CAAD,CAAZ,CAAgB9Z,GAAhB,GAAsByB,cAAc,GAAGO,UAAzD,CAAV;AACAiY,eAAO,GAAG9V,IAAI,CAACC,GAAL,CAAS6V,OAAT,EAAkBH,YAAY,CAAC,CAAD,CAAZ,CAAgBrZ,GAAhB,GAAsBgB,cAAc,GAAGO,UAAzD,CAAV;AACA,aAAKhG,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAAC4c,cAA5B,EAA4C;AAAEJ,iBAAO,EAAEA;AAAX,SAA5C;AACD;AACF;;AAED,QAAIK,MAAM,CAACC,IAAP,CAAYhE,MAAZ,EAAoBhd,MAAxB,EAAgC;AAC9B0C,cAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAAC+c,yBAAvB,EAAkDhkB,IAAlD;AACA,WAAKmiB,WAAL,GAAmB,IAAnB;;AACA,UAAIqB,aAAJ,EAAmB;AACjB,aAAKjN,QAAL,GAAgBkN,OAAhB;AACA,aAAKjN,QAAL,GAAgBkN,OAAhB;AACD;AACF,KAPD,MAOO;AACLje,cAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,YAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,eAAO,EAAEC,sBAAY,CAACe,kBAAtD;AAA0Eb,aAAK,EAAE,KAAjF;AAAwFC,cAAM,EAAE;AAAhG,OAA9B;AACD;AACF,G;;SAEDsb,U,GAAA,oBAAY1Z,KAAZ,EAAmBmC,UAAnB,EAA+BC,UAA/B,EAA2CmX,gBAA3C,EAA6DlX,kBAA7D,EAAiF;AAC/E,QAAI7I,MAAM,GAAG,CAAb;AACA,QAAImhB,iBAAJ;AACA,QAAIxH,IAAJ;AACA,QAAIK,IAAJ;AACA,QAAIoH,QAAJ;AACA,QAAIC,QAAJ;AACA,QAAIC,OAAJ;AACA,QAAIC,OAAJ;AACA,QAAMC,SAAS,GAAGhb,KAAK,CAACoW,SAAxB;AACA,QAAM6E,YAAY,GAAGjb,KAAK,CAACa,OAA3B;AACA,QAAMqa,aAAa,GAAG,EAAtB;AACA,QAAM5M,SAAS,GAAG2M,YAAY,CAACxhB,MAA/B;AACA,QAAM0hB,YAAY,GAAG,KAAKC,aAA1B;AACA,QAAMjB,OAAO,GAAG,KAAKlN,QAArB,CAd+E,CAgB/E;;AACA,QAAIoO,UAAU,GAAG,KAAKA,UAAtB;AAEA,QAAM1C,QAAQ,GAAG,KAAKA,QAAtB;;AAEA,QAAIrK,SAAS,KAAK,CAAlB,EAAqB;AACnB;AACD,KAvB8E,CAyB/E;;;AACA,QAAIqK,QAAJ,EAAc;AACZ;AACA;AACA;AACA;AACA;AACAvW,gBAAU,IAAK6Y,YAAY,CAACxhB,MAAb,IAAuB4hB,UAAvB,KACEhZ,kBAAkB,IAAIiC,IAAI,CAAC4N,GAAL,CAAS/P,UAAU,GAAGkZ,UAAU,GAAGL,SAAnC,IAAgD,GAAvE,IACA1W,IAAI,CAAC4N,GAAL,CAAU+I,YAAY,CAAC,CAAD,CAAZ,CAAgB9a,GAAhB,GAAsBkb,UAAtB,GAAmClB,OAA7C,IAAyDa,SAAS,GAAG,CAFtE,CAAf;AAID;;AAED,QAAI,CAAC5Y,UAAL,EAAiB;AACf;AACAiZ,gBAAU,GAAGlZ,UAAU,GAAG6Y,SAA1B;AACD,KAzC8E,CA2C/E;AACA;;;AACAC,gBAAY,CAAC/L,OAAb,CAAqB,UAAUnO,MAAV,EAAkB;AACrCA,YAAM,CAACZ,GAAP,GAAagb,YAAY,CAACpa,MAAM,CAACZ,GAAP,GAAaga,OAAd,EAAuBkB,UAAvB,CAAzB;AACAta,YAAM,CAACH,GAAP,GAAaua,YAAY,CAACpa,MAAM,CAACH,GAAP,GAAauZ,OAAd,EAAuBkB,UAAvB,CAAzB;AACD,KAHD,EA7C+E,CAkD/E;;AACAJ,gBAAY,CAACK,IAAb,CAAkB,UAAUC,CAAV,EAAahM,CAAb,EAAgB;AAChC,UAAMiM,QAAQ,GAAGD,CAAC,CAAC3a,GAAF,GAAQ2O,CAAC,CAAC3O,GAA3B;AACA,UAAM6a,QAAQ,GAAGF,CAAC,CAACpb,GAAF,GAAQoP,CAAC,CAACpP,GAA3B;AACA,aAAOqb,QAAQ,IAAKC,QAAQ,IAAKF,CAAC,CAAC/Z,EAAF,GAAO+N,CAAC,CAAC/N,EAA1C;AACD,KAJD,EAnD+E,CAyD/E;;AACA,QAAIka,WAAW,GAAGT,YAAY,CAACU,MAAb,CAAoB,UAACzhB,IAAD,EAAO0hB,IAAP;AAAA,aAAgBtX,IAAI,CAAC+U,GAAL,CAAS/U,IAAI,CAACC,GAAL,CAASrK,IAAT,EAAe0hB,IAAI,CAACzb,GAAL,GAAWyb,IAAI,CAAChb,GAA/B,CAAT,EAA8C,CAAC,CAAD,GAAK4X,6BAAnD,CAAhB;AAAA,KAApB,EAAuH,CAAvH,CAAlB;;AACA,QAAIkD,WAAW,GAAG,CAAlB,EAAqB;AACnB5e,sBAAM,CAACgN,IAAP,2DAAoEuO,mBAAmB,CAACqD,WAAD,EAAc,IAAd,CAAvF;;AACA,WAAK,IAAItjB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG6iB,YAAY,CAACxhB,MAAjC,EAAyCrB,CAAC,EAA1C,EAA8C;AAC5C6iB,oBAAY,CAAC7iB,CAAD,CAAZ,CAAgBwI,GAAhB,IAAuB8a,WAAvB;AACD;AACF,KAhE8E,CAkE/E;;;AACA,QAAI3a,MAAM,GAAGka,YAAY,CAAC,CAAD,CAAzB;AACAJ,YAAQ,GAAGvW,IAAI,CAAC+U,GAAL,CAAStY,MAAM,CAACH,GAAhB,EAAqB,CAArB,CAAX;AACAga,YAAQ,GAAGtW,IAAI,CAAC+U,GAAL,CAAStY,MAAM,CAACZ,GAAhB,EAAqB,CAArB,CAAX,CArE+E,CAuE/E;;AACA,QAAI0b,KAAK,GAAGhB,QAAQ,GAAGQ,UAAvB,CAxE+E,CAyE/E;;AACA,QAAIjZ,UAAJ,EAAgB;AACd,UAAIyZ,KAAJ,EAAW;AACT,YAAIA,KAAK,GAAG,CAAZ,EAAe;AACb/e,0BAAM,CAACC,GAAP,WAAmBsb,mBAAmB,CAACwD,KAAD,EAAQ,IAAR,CAAtC;AACD,SAFD,MAEO,IAAIA,KAAK,GAAG,CAAC,CAAb,EAAgB;AACrB/e,0BAAM,CAACC,GAAP,WAAmBsb,mBAAmB,CAAC,CAACwD,KAAF,EAAS,IAAT,CAAtC;AACD,SALQ,CAOT;;;AACAhB,gBAAQ,GAAGQ,UAAX;AACAJ,oBAAY,CAAC,CAAD,CAAZ,CAAgBra,GAAhB,GAAsBia,QAAtB,CATS,CAUT;;AACAD,gBAAQ,GAAGtW,IAAI,CAAC+U,GAAL,CAASuB,QAAQ,GAAGiB,KAApB,EAA2BR,UAA3B,CAAX;AACAJ,oBAAY,CAAC,CAAD,CAAZ,CAAgB9a,GAAhB,GAAsBya,QAAtB;AACA9d,wBAAM,CAACC,GAAP,+BAAuCsb,mBAAmB,CAACuC,QAAD,EAAW,IAAX,CAA1D,SAA8EvC,mBAAmB,CAACwC,QAAD,EAAW,IAAX,CAAjG,iBAA6HxC,mBAAmB,CAACwD,KAAD,EAAQ,IAAR,CAAhJ;AACD;AACF,KA1F8E,CA4F/E;;;AACA9a,UAAM,GAAGka,YAAY,CAACA,YAAY,CAACxhB,MAAb,GAAsB,CAAvB,CAArB;AACAshB,WAAO,GAAGzW,IAAI,CAAC+U,GAAL,CAAStY,MAAM,CAACH,GAAhB,EAAqB,CAArB,CAAV;AACAka,WAAO,GAAGxW,IAAI,CAAC+U,GAAL,CAAStY,MAAM,CAACZ,GAAhB,EAAqB,CAArB,EAAwB4a,OAAxB,CAAV,CA/F+E,CAiG/E;AACA;AACA;;AACA,QAAIpC,QAAJ,EAAc;AACZgC,uBAAiB,GAAGrW,IAAI,CAAC6J,KAAL,CAAW,CAAC4M,OAAO,GAAGF,QAAX,KAAwBI,YAAY,CAACxhB,MAAb,GAAsB,CAA9C,CAAX,CAApB;AACD;;AAED,QAAIqiB,MAAM,GAAG,CAAb;AAAA,QAAgBC,OAAO,GAAG,CAA1B;;AACA,SAAK,IAAI3jB,EAAC,GAAG,CAAb,EAAgBA,EAAC,GAAGkW,SAApB,EAA+BlW,EAAC,EAAhC,EAAoC;AAClC;AACA,UAAI2I,OAAM,GAAGka,YAAY,CAAC7iB,EAAD,CAAzB;AAAA,UAA8B6Q,KAAK,GAAGlI,OAAM,CAACkI,KAA7C;AAAA,UAAoD+S,OAAO,GAAG/S,KAAK,CAACxP,MAApE;AAAA,UAA4EwiB,SAAS,GAAG,CAAxF;;AACA,WAAK,IAAInW,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGkW,OAApB,EAA6BlW,CAAC,EAA9B,EAAkC;AAChCmW,iBAAS,IAAIhT,KAAK,CAACnD,CAAD,CAAL,CAASpP,IAAT,CAAc+C,MAA3B;AACD;;AAEDsiB,aAAO,IAAIE,SAAX;AACAH,YAAM,IAAIE,OAAV;AACAjb,aAAM,CAACtH,MAAP,GAAgBwiB,SAAhB,CATkC,CAWlC;;AACA,UAAItD,QAAJ,EAAc;AACZ;AACA5X,eAAM,CAACH,GAAP,GAAaia,QAAQ,GAAGziB,EAAC,GAAGuiB,iBAA5B;AACD,OAHD,MAGO;AACL;AACA5Z,eAAM,CAACH,GAAP,GAAa0D,IAAI,CAAC+U,GAAL,CAAStY,OAAM,CAACH,GAAhB,EAAqBia,QAArB,CAAb;AACD,OAlBiC,CAmBlC;;;AACA9Z,aAAM,CAACZ,GAAP,GAAamE,IAAI,CAAC+U,GAAL,CAAStY,OAAM,CAACZ,GAAhB,EAAqBY,OAAM,CAACH,GAA5B,CAAb;AACD;AAED;;;;AAEA,QAAIsb,QAAQ,GAAGH,OAAO,GAAI,IAAID,MAAf,GAAyB,CAAxC;;AACA,QAAI;AACF3I,UAAI,GAAG,IAAI/O,UAAJ,CAAe8X,QAAf,CAAP;AACD,KAFD,CAEE,OAAO7e,GAAP,EAAY;AACZ,WAAKlB,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACC,KAA5B,EAAmC;AAAEC,YAAI,EAAEC,oBAAU,CAACqe,SAAnB;AAA8Bne,eAAO,EAAEC,sBAAY,CAACme,iBAApD;AAAuEje,aAAK,EAAE,KAA9E;AAAqF8R,aAAK,EAAEiM,QAA5F;AAAsG9d,cAAM,kCAAgC8d;AAA5I,OAAnC;AACA;AACD;;AACD,QAAIhkB,IAAI,GAAG,IAAIb,QAAJ,CAAa8b,IAAI,CAAClc,MAAlB,CAAX;AACAiB,QAAI,CAACmkB,SAAL,CAAe,CAAf,EAAkBH,QAAlB;AACA/I,QAAI,CAAC3O,GAAL,CAASgO,aAAG,CAACE,KAAJ,CAAUS,IAAnB,EAAyB,CAAzB;;AAEA,SAAK,IAAI/a,GAAC,GAAG,CAAb,EAAgBA,GAAC,GAAGkW,SAApB,EAA+BlW,GAAC,EAAhC,EAAoC;AAClC,UAAIsS,SAAS,GAAGuQ,YAAY,CAAC7iB,GAAD,CAA5B;AAAA,UACEkkB,cAAc,GAAG5R,SAAS,CAACzB,KAD7B;AAAA,UAEEsT,eAAe,GAAG,CAFpB;AAAA,UAGEC,qBAAqB,SAHvB,CADkC,CAKlC;;AACA,WAAK,IAAI1W,EAAC,GAAG,CAAR,EAAWkW,QAAO,GAAGM,cAAc,CAAC7iB,MAAzC,EAAiDqM,EAAC,GAAGkW,QAArD,EAA8DlW,EAAC,EAA/D,EAAmE;AACjE,YAAIpF,IAAI,GAAG4b,cAAc,CAACxW,EAAD,CAAzB;AAAA,YACE2W,QAAQ,GAAG/b,IAAI,CAAChK,IADlB;AAAA,YAEEgmB,WAAW,GAAGhc,IAAI,CAAChK,IAAL,CAAUS,UAF1B;AAGAe,YAAI,CAACmkB,SAAL,CAAe7iB,MAAf,EAAuBkjB,WAAvB;AACAljB,cAAM,IAAI,CAAV;AACA2Z,YAAI,CAAC3O,GAAL,CAASiY,QAAT,EAAmBjjB,MAAnB;AACAA,cAAM,IAAIkjB,WAAV;AACAH,uBAAe,IAAI,IAAIG,WAAvB;AACD;;AAED,UAAI,CAAC/D,QAAL,EAAe;AACb;AACA,YAAIvgB,GAAC,GAAGkW,SAAS,GAAG,CAApB,EAAuB;AACrBqM,2BAAiB,GAAGM,YAAY,CAAC7iB,GAAC,GAAG,CAAL,CAAZ,CAAoBwI,GAApB,GAA0B8J,SAAS,CAAC9J,GAAxD;AACD,SAFD,MAEO;AACL,cAAIxE,MAAM,GAAG,KAAKA,MAAlB;AAAA,cACEugB,iBAAiB,GAAGjS,SAAS,CAAC9J,GAAV,GAAgBqa,YAAY,CAAC7iB,GAAC,GAAG,CAAJ,GAAQA,GAAC,GAAG,CAAZ,GAAgBA,GAAjB,CAAZ,CAAgCwI,GADtE;;AAEA,cAAIxE,MAAM,CAACwgB,sBAAX,EAAmC;AACjC;AACA;AACA;AACA;AACA;AACA,gBAAIC,aAAa,GAAGzgB,MAAM,CAACygB,aAA3B;AAAA,gBACEC,YAAY,GAAGxY,IAAI,CAACkE,KAAL,CAAWqU,aAAa,GAAG7B,SAA3B,CADjB;AAAA,gBAEE+B,eAAe,GAAG,CAACxD,gBAAgB,GAAGqB,QAAQ,GAAGrB,gBAAgB,GAAGyB,SAAjC,GAA6C,KAAKgC,YAAnE,IAAmFtS,SAAS,CAACvK,GAFjH;;AAGA,gBAAI4c,eAAe,GAAGD,YAAtB,EAAoC;AAClC;AACA;AACAnC,+BAAiB,GAAGoC,eAAe,GAAGJ,iBAAtC;;AACA,kBAAIhC,iBAAiB,GAAG,CAAxB,EAA2B;AACzBA,iCAAiB,GAAGgC,iBAApB;AACD;;AAED7f,8BAAM,CAACC,GAAP,0BAAkCsb,mBAAmB,CAAC0E,eAAD,EAAkB,KAAlB,CAArD,gDAAwH1E,mBAAmB,CAACsC,iBAAD,EAAoB,KAApB,CAA3I;AACD,aATD,MASO;AACLA,+BAAiB,GAAGgC,iBAApB;AACD;AACF,WArBD,MAqBO;AACLhC,6BAAiB,GAAGgC,iBAApB;AACD;AACF;;AACDH,6BAAqB,GAAGlY,IAAI,CAAC6J,KAAL,CAAWzD,SAAS,CAACvK,GAAV,GAAgBuK,SAAS,CAAC9J,GAArC,CAAxB;AACD,OAjCD,MAiCO;AACL4b,6BAAqB,GAAGlY,IAAI,CAAC+U,GAAL,CAAS,CAAT,EAAYsB,iBAAiB,GAAGrW,IAAI,CAAC6J,KAAL,CAAW,CAACzD,SAAS,CAACvK,GAAV,GAAgBuK,SAAS,CAAC9J,GAA3B,IAAkC+Z,iBAA7C,CAAhC,CAAxB;AACD,OApDiC,CAsDlC;;;AACAO,mBAAa,CAACpa,IAAd,CAAmB;AACjB+D,YAAI,EAAE0X,eADW;AAEjB;AACAlb,gBAAQ,EAAEsZ,iBAHO;AAIjBlD,WAAG,EAAE+E,qBAJY;AAKjB3F,aAAK,EAAE;AACLa,mBAAS,EAAE,CADN;AAELX,sBAAY,EAAE,CAFT;AAGLC,uBAAa,EAAE,CAHV;AAILa,oBAAU,EAAE,CAJP;AAKLf,mBAAS,EAAEpM,SAAS,CAAC/T,GAAV,GAAgB,CAAhB,GAAoB,CAL1B;AAMLihB,mBAAS,EAAElN,SAAS,CAAC/T,GAAV,GAAgB,CAAhB,GAAoB;AAN1B;AALU,OAAnB;AAcD,KAlN8E,CAmN/E;;;AACA,SAAK0kB,UAAL,GAAkBN,OAAO,GAAGJ,iBAA5B;AACA,QAAIzQ,OAAO,GAAGlK,KAAK,CAACkK,OAApB;AACAlK,SAAK,CAAC8b,MAAN,GAAe,CAAf;AACA9b,SAAK,CAACkK,OAAN,GAAgB,CAAhB;;AACA,QAAIgR,aAAa,CAACzhB,MAAd,IAAwBmF,SAAS,CAACD,SAAV,CAAoBE,WAApB,GAAkCM,OAAlC,CAA0C,QAA1C,IAAsD,CAAC,CAAnF,EAAsF;AACpF,UAAI0X,KAAK,GAAGqE,aAAa,CAAC,CAAD,CAAb,CAAiBrE,KAA7B,CADoF,CAEpF;AACA;;AACAA,WAAK,CAACC,SAAN,GAAkB,CAAlB;AACAD,WAAK,CAACe,SAAN,GAAkB,CAAlB;AACD;;AACD5X,SAAK,CAACa,OAAN,GAAgBqa,aAAhB;AACA1H,QAAI,GAAGhB,aAAG,CAACgB,IAAJ,CAASxT,KAAK,CAACyB,cAAN,EAAT,EAAiCoZ,QAAjC,EAA2C7a,KAA3C,CAAP;AACAA,SAAK,CAACa,OAAN,GAAgB,EAAhB;AAEA,QAAInK,IAAI,GAAG;AACTumB,WAAK,EAAEzJ,IADE;AAET0J,WAAK,EAAE/J,IAFE;AAGTsG,cAAQ,EAAEmB,QAAQ,GAAGI,SAHZ;AAITxB,YAAM,EAAE,CAACsB,OAAO,GAAGH,iBAAX,IAAgCK,SAJ/B;AAKTmC,cAAQ,EAAEtC,QAAQ,GAAGG,SALZ;AAMToC,YAAM,EAAE,KAAK/B,UAAL,GAAkBL,SANjB;AAOTnd,UAAI,EAAE,OAPG;AAQTwf,cAAQ,EAAE,KARD;AASTC,cAAQ,EAAE,IATD;AAUTC,QAAE,EAAErC,aAAa,CAACzhB,MAVT;AAWTyQ,aAAO,EAAEA;AAXA,KAAX;AAaA,SAAK/N,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAAC6f,iBAA5B,EAA+C9mB,IAA/C;AACA,WAAOA,IAAP;AACD,G;;SAED4iB,U,GAAA,oBAAYtZ,KAAZ,EAAmBmC,UAAnB,EAA+BC,UAA/B,EAA2CC,kBAA3C,EAA+D;AAC7D,QAAMT,cAAc,GAAG5B,KAAK,CAAC4B,cAA7B;AACA,QAAM6b,YAAY,GAAGzd,KAAK,CAACoW,SAA3B;AACA,QAAMsH,WAAW,GAAG9b,cAAc,GAAG6b,YAArC;AACA,QAAM9C,iBAAiB,GAAG3a,KAAK,CAAC0B,KAAN,GAAc,IAAd,GAAqB,IAA/C;AACA,QAAMic,mBAAmB,GAAGhD,iBAAiB,GAAG+C,WAAhD;AACA,QAAMvC,YAAY,GAAG,KAAKC,aAA1B;AACA,QAAMjB,OAAO,GAAG,KAAKlN,QAArB;AACA,QAAM2Q,OAAO,GAAG,CAAC5d,KAAK,CAAC0B,KAAP,IAAgB,KAAK8H,aAAL,CAAmBkD,IAAnD;AAEA,QAAImR,SAAJ;AACA,QAAIC,SAAJ;AACA,QAAI3K,IAAJ;AACA,QAAIK,IAAJ;AACA,QAAIoH,QAAJ;AACA,QAAIE,OAAJ;AACA,QAAIthB,MAAM,GAAIokB,OAAO,GAAG,CAAH,GAAO,CAA5B;AACA,QAAI3C,YAAY,GAAGjb,KAAK,CAACa,OAAzB;AACA,QAAIqa,aAAa,GAAG,EAApB;AACA,QAAI8B,YAAY,GAAG,KAAKA,YAAxB,CAnB6D,CAqB7D;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AACA5a,cAAU,IAAK6Y,YAAY,CAACxhB,MAAb,IAAuBujB,YAAvB,KACE3a,kBAAkB,IAAIiC,IAAI,CAAC4N,GAAL,CAAS/P,UAAU,GAAG6a,YAAY,GAAGpb,cAArC,IAAuD,GAA9E,IACA0C,IAAI,CAAC4N,GAAL,CAAU+I,YAAY,CAAC,CAAD,CAAZ,CAAgB9a,GAAhB,GAAsB6c,YAAtB,GAAqC7C,OAA/C,IAA2D,KAAKwD,mBAFjE,CAAf,CA7B6D,CAkC7D;;AACA1C,gBAAY,CAAC/L,OAAb,CAAqB,UAAUnO,MAAV,EAAkB;AACrCA,YAAM,CAACZ,GAAP,GAAaY,MAAM,CAACH,GAAP,GAAaua,YAAY,CAACpa,MAAM,CAACZ,GAAP,GAAaga,OAAd,EAAuBhY,UAAU,GAAGP,cAApC,CAAtC;AACD,KAFD,EAnC6D,CAuC7D;AACA;AACA;;AACAqZ,gBAAY,GAAGA,YAAY,CAAC8C,MAAb,CAAoB,UAAUhd,MAAV,EAAkB;AACnD,aAAOA,MAAM,CAACZ,GAAP,IAAc,CAArB;AACD,KAFc,CAAf,CA1C6D,CA8C7D;;AACA,QAAI8a,YAAY,CAACxhB,MAAb,KAAwB,CAA5B,EAA+B;AAC7B;AACD;;AAED,QAAI,CAAC2I,UAAL,EAAiB;AACf,UAAI,CAACC,kBAAL,EAAyB;AACvB;AACA2a,oBAAY,GAAG/B,YAAY,CAAC,CAAD,CAAZ,CAAgB9a,GAA/B;AACD,OAHD,MAGO;AACL;AACA6c,oBAAY,GAAG7a,UAAU,GAAGP,cAA5B;AACD;AACF,KA3D4D,CA6D7D;AACA;AACA;AACA;AACA;;;AAEA,QAAI5B,KAAK,CAAC0B,KAAV,EAAiB;AACf,UAAMsc,mBAAmB,GAAG,KAAK5hB,MAAL,CAAY4hB,mBAAxC;;AACA,WAAK,IAAI5lB,CAAC,GAAG,CAAR,EAAW6lB,OAAO,GAAGjB,YAA1B,EAAwC5kB,CAAC,GAAG6iB,YAAY,CAACxhB,MAAzD,GAAkE;AAChE;AACA,YAAIsH,MAAM,GAAGka,YAAY,CAAC7iB,CAAD,CAAzB;AAAA,YAA8ByjB,KAA9B;AACA,YAAI1b,GAAG,GAAGY,MAAM,CAACZ,GAAjB;AACA0b,aAAK,GAAG1b,GAAG,GAAG8d,OAAd,CAJgE,CAMhE;;AACA,YAAIpC,KAAK,IAAI,CAACmC,mBAAD,GAAuBL,mBAApC,EAAyD;AACvD7gB,0BAAM,CAACgN,IAAP,+BAAwCuO,mBAAmB,CAAC4F,OAAD,EAAU,IAAV,CAA3D,mBAAwF5F,mBAAmB,CAACwD,KAAD,EAAQ,IAAR,CAA3G;AACAZ,sBAAY,CAAC/M,MAAb,CAAoB9V,CAApB,EAAuB,CAAvB,EAFuD,CAGvD;AACD,SAJD,CAIE;AAEF;AACA;AACA;AACA;AATA,aAUK,IAAIyjB,KAAK,IAAImC,mBAAmB,GAAGL,mBAA/B,IAAsD9B,KAAK,GAAGtD,+BAA9D,IAAiG0F,OAArG,EAA8G;AACjH,gBAAIC,OAAO,GAAG5Z,IAAI,CAAC6J,KAAL,CAAW0N,KAAK,GAAG8B,mBAAnB,CAAd;AACA7gB,4BAAM,CAACgN,IAAP,gBAAyBoU,OAAzB,wBAAmD7F,mBAAmB,CAAC4F,OAAD,EAAU,IAAV,CAAtE,mBAAmG5F,mBAAmB,CAAC4F,OAAD,EAAU,IAAV,CAAtH;;AACA,iBAAK,IAAInY,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGoY,OAApB,EAA6BpY,CAAC,EAA9B,EAAkC;AAChC,kBAAIqY,QAAQ,GAAG7Z,IAAI,CAAC+U,GAAL,CAAS4E,OAAT,EAAkB,CAAlB,CAAf;AACAH,uBAAS,GAAG1L,UAAG,CAACC,cAAJ,CAAmBrS,KAAK,CAAClB,aAAN,IAAuBkB,KAAK,CAACV,KAAhD,EAAuDU,KAAK,CAACX,YAA7D,CAAZ;;AACA,kBAAI,CAACye,SAAL,EAAgB;AACdhhB,gCAAM,CAACC,GAAP,CAAW,mFAAX;AACA+gB,yBAAS,GAAG/c,MAAM,CAACL,IAAP,CAAYC,QAAZ,EAAZ;AACD;;AACDsa,0BAAY,CAAC/M,MAAb,CAAoB9V,CAApB,EAAuB,CAAvB,EAA0B;AAAEsI,oBAAI,EAAEod,SAAR;AAAmB3d,mBAAG,EAAEge,QAAxB;AAAkCvd,mBAAG,EAAEud;AAAvC,eAA1B;AACAF,qBAAO,IAAIN,mBAAX;AACAvlB,eAAC;AACF,aAbgH,CAejH;;;AACA2I,kBAAM,CAACZ,GAAP,GAAaY,MAAM,CAACH,GAAP,GAAaqd,OAA1B;AACAA,mBAAO,IAAIN,mBAAX;AACAvlB,aAAC;AACF,WAnBI,MAmBE;AACL;AACA,gBAAIkM,IAAI,CAAC4N,GAAL,CAAS2J,KAAT,IAAmB,MAAM8B,mBAA7B,EAAmD,CACjD;AACD;;AACD5c,kBAAM,CAACZ,GAAP,GAAaY,MAAM,CAACH,GAAP,GAAaqd,OAA1B;AACAA,mBAAO,IAAIN,mBAAX;AACAvlB,aAAC;AACF;AACF;AACF,KAnH4D,CAqH7D;;;AACA,QAAIkW,SAAS,GAAG2M,YAAY,CAACxhB,MAA7B;AACA,QAAIyiB,QAAQ,GAAG,CAAf;;AACA,WAAO5N,SAAS,EAAhB,EAAoB;AAClB4N,cAAQ,IAAIjB,YAAY,CAAC3M,SAAD,CAAZ,CAAwB5N,IAAxB,CAA6BvJ,UAAzC;AACD;;AAED,SAAK,IAAI2O,GAAC,GAAG,CAAR,EAAWwI,UAAS,GAAG2M,YAAY,CAACxhB,MAAzC,EAAiDqM,GAAC,GAAGwI,UAArD,EAAgExI,GAAC,EAAjE,EAAqE;AACnE,UAAIsY,WAAW,GAAGnD,YAAY,CAACnV,GAAD,CAA9B;AACA,UAAIpF,IAAI,GAAG0d,WAAW,CAAC1d,IAAvB;AACA,UAAIP,IAAG,GAAGie,WAAW,CAACje,GAAtB,CAHmE,CAKnE;AACA;;AAEA,UAAI2a,OAAO,KAAK/e,SAAhB,EAA2B;AACzB8hB,iBAAS,CAACxc,QAAV,GAAqBiD,IAAI,CAAC6J,KAAL,CAAW,CAAChO,IAAG,GAAG2a,OAAP,IAAkB4C,WAA7B,CAArB;AACD,OAFD,MAEO;AACL,YAAI7B,MAAK,GAAG1b,IAAG,GAAG6c,YAAlB;;AACA,YAAIqB,gBAAgB,GAAG,CAAvB,CAFK,CAIL;AACA;;AACA,YAAIjc,UAAU,IAAIpC,KAAK,CAAC0B,KAAxB,EAA+B;AAC7B;AACA,cAAIma,MAAJ,EAAW;AACT,gBAAIA,MAAK,GAAG,CAAR,IAAaA,MAAK,GAAGtD,+BAAzB,EAA0D;AACxD;AACA;AACA8F,8BAAgB,GAAG/Z,IAAI,CAAC6J,KAAL,CAAW,CAAChO,IAAG,GAAG6c,YAAP,IAAuBW,mBAAlC,CAAnB;AAEA7gB,8BAAM,CAACC,GAAP,CAAcsb,mBAAmB,CAACwD,MAAD,EAAQ,IAAR,CAAjC;;AACA,kBAAIwC,gBAAgB,GAAG,CAAvB,EAA0B;AACxBP,yBAAS,GAAG1L,UAAG,CAACC,cAAJ,CAAmBrS,KAAK,CAAClB,aAAN,IAAuBkB,KAAK,CAACV,KAAhD,EAAuDU,KAAK,CAACX,YAA7D,CAAZ;;AACA,oBAAI,CAACye,SAAL,EAAgB;AACdA,2BAAS,GAAGpd,IAAI,CAACC,QAAL,EAAZ;AACD;;AAEDub,wBAAQ,IAAImC,gBAAgB,GAAGP,SAAS,CAACrkB,MAAzC;AACD,eAbuD,CAcxD;;AACD,aAfD,MAeO,IAAIoiB,MAAK,GAAG,CAAC,EAAb,EAAiB;AACtB;AACA/e,8BAAM,CAACC,GAAP,0DAAkEsb,mBAAmB,CAAC2E,YAAD,EAAe,IAAf,CAArF,cAAkH3E,mBAAmB,CAAClY,IAAD,EAAM,IAAN,CAArI,cAAyJkY,mBAAmB,CAAC,CAACwD,MAAF,EAAS,IAAT,CAA5K;AACAK,sBAAQ,IAAIxb,IAAI,CAACvJ,UAAjB;AACA;AACD,aArBQ,CAsBT;;;AACAgJ,gBAAG,GAAG6c,YAAN;AACD;AACF,SAjCI,CAkCL;;;AACApC,gBAAQ,GAAGza,IAAX;;AACA,YAAI+b,QAAQ,GAAG,CAAf,EAAkB;AAChBA,kBAAQ,IAAI1iB,MAAZ;;AACA,cAAI;AACF2Z,gBAAI,GAAG,IAAI/O,UAAJ,CAAe8X,QAAf,CAAP;AACD,WAFD,CAEE,OAAO7e,GAAP,EAAY;AACZ,iBAAKlB,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACC,KAA5B,EAAmC;AAAEC,kBAAI,EAAEC,oBAAU,CAACqe,SAAnB;AAA8Bne,qBAAO,EAAEC,sBAAY,CAACme,iBAApD;AAAuEje,mBAAK,EAAE,KAA9E;AAAqF8R,mBAAK,EAAEiM,QAA5F;AAAsG9d,oBAAM,kCAAgC8d;AAA5I,aAAnC;AACA;AACD;;AACD,cAAI,CAAC0B,OAAL,EAAc;AACZ,gBAAM1lB,IAAI,GAAG,IAAIb,QAAJ,CAAa8b,IAAI,CAAClc,MAAlB,CAAb;AACAiB,gBAAI,CAACmkB,SAAL,CAAe,CAAf,EAAkBH,QAAlB;AACA/I,gBAAI,CAAC3O,GAAL,CAASgO,aAAG,CAACE,KAAJ,CAAUS,IAAnB,EAAyB,CAAzB;AACD;AACF,SAbD,MAaO;AACL;AACA;AACD;;AACD,aAAK,IAAI/a,GAAC,GAAG,CAAb,EAAgBA,GAAC,GAAGimB,gBAApB,EAAsCjmB,GAAC,EAAvC,EAA2C;AACzC0lB,mBAAS,GAAG1L,UAAG,CAACC,cAAJ,CAAmBrS,KAAK,CAAClB,aAAN,IAAuBkB,KAAK,CAACV,KAAhD,EAAuDU,KAAK,CAACX,YAA7D,CAAZ;;AACA,cAAI,CAACye,SAAL,EAAgB;AACdhhB,4BAAM,CAACC,GAAP,CAAW,mFAAX;AACA+gB,qBAAS,GAAGpd,IAAI,CAACC,QAAL,EAAZ;AACD;;AACDwS,cAAI,CAAC3O,GAAL,CAASsZ,SAAT,EAAoBtkB,MAApB;AACAA,gBAAM,IAAIskB,SAAS,CAAC3mB,UAApB;AACA0mB,mBAAS,GAAG;AACVhZ,gBAAI,EAAEiZ,SAAS,CAAC3mB,UADN;AAEVsgB,eAAG,EAAE,CAFK;AAGVpW,oBAAQ,EAAE,IAHA;AAIVwV,iBAAK,EAAE;AACLa,uBAAS,EAAE,CADN;AAELX,0BAAY,EAAE,CAFT;AAGLC,2BAAa,EAAE,CAHV;AAILa,wBAAU,EAAE,CAJP;AAKLf,uBAAS,EAAE;AALN;AAJG,WAAZ;AAYAoE,uBAAa,CAACpa,IAAd,CAAmB+c,SAAnB;AACD;AACF;;AACD1K,UAAI,CAAC3O,GAAL,CAAS9D,IAAT,EAAelH,MAAf;AACA,UAAI8kB,OAAO,GAAG5d,IAAI,CAACvJ,UAAnB;AACAqC,YAAM,IAAI8kB,OAAV,CAxFmE,CAyFnE;;AACAT,eAAS,GAAG;AACVhZ,YAAI,EAAEyZ,OADI;AAEV7G,WAAG,EAAE,CAFK;AAGVpW,gBAAQ,EAAE,CAHA;AAIVwV,aAAK,EAAE;AACLa,mBAAS,EAAE,CADN;AAELX,sBAAY,EAAE,CAFT;AAGLC,uBAAa,EAAE,CAHV;AAILa,oBAAU,EAAE,CAJP;AAKLf,mBAAS,EAAE;AALN;AAJG,OAAZ;AAYAoE,mBAAa,CAACpa,IAAd,CAAmB+c,SAAnB;AACA/C,aAAO,GAAG3a,IAAV;AACD;;AACD,QAAIoe,kBAAkB,GAAG,CAAzB;AACAjQ,aAAS,GAAG4M,aAAa,CAACzhB,MAA1B,CAtO6D,CAuO7D;;AACA,QAAI6U,SAAS,IAAI,CAAjB,EAAoB;AAClBiQ,wBAAkB,GAAGrD,aAAa,CAAC5M,SAAS,GAAG,CAAb,CAAb,CAA6BjN,QAAlD;AACAwc,eAAS,CAACxc,QAAV,GAAqBkd,kBAArB;AACD;;AACD,QAAIjQ,SAAJ,EAAe;AACb;AACA,WAAK0O,YAAL,GAAoBA,YAAY,GAAGlC,OAAO,GAAG4C,WAAW,GAAGa,kBAA3D,CAFa,CAGb;;AACAve,WAAK,CAACa,OAAN,GAAgBqa,aAAhB;;AACA,UAAI0C,OAAJ,EAAa;AACXpK,YAAI,GAAG,IAAIpP,UAAJ,EAAP;AACD,OAFD,MAEO;AACLoP,YAAI,GAAGhB,aAAG,CAACgB,IAAJ,CAASxT,KAAK,CAACyB,cAAN,EAAT,EAAiCmZ,QAAQ,GAAG8C,WAA5C,EAAyD1d,KAAzD,CAAP;AACD;;AAEDA,WAAK,CAACa,OAAN,GAAgB,EAAhB;AACA,UAAM+J,KAAK,GAAGgQ,QAAQ,GAAGhZ,cAAzB;AACA,UAAM4c,GAAG,GAAGxB,YAAY,GAAGpb,cAA3B;AACA,UAAM8J,SAAS,GAAG;AAChBuR,aAAK,EAAEzJ,IADS;AAEhB0J,aAAK,EAAE/J,IAFS;AAGhBsG,gBAAQ,EAAE7O,KAHM;AAIhB4O,cAAM,EAAEgF,GAJQ;AAKhBrB,gBAAQ,EAAEvS,KALM;AAMhBwS,cAAM,EAAEoB,GANQ;AAOhB3gB,YAAI,EAAE,OAPU;AAQhBwf,gBAAQ,EAAE,IARM;AAShBC,gBAAQ,EAAE,KATM;AAUhBC,UAAE,EAAEjP;AAVY,OAAlB;AAYA,WAAKnS,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAAC6f,iBAA5B,EAA+C9R,SAA/C;AACA,aAAOA,SAAP;AACD;;AACD,WAAO,IAAP;AACD,G;;SAEDkO,e,GAAA,yBAAiB5Z,KAAjB,EAAwBmC,UAAxB,EAAoCC,UAApC,EAAgDuX,SAAhD,EAA2D;AACzD,QAAI/X,cAAc,GAAG5B,KAAK,CAAC4B,cAA3B;AACA,QAAI6b,YAAY,GAAGzd,KAAK,CAACZ,UAAN,GAAmBY,KAAK,CAACZ,UAAzB,GAAsCwC,cAAzD;AACA,QAAI8b,WAAW,GAAG9b,cAAc,GAAG6b,YAAnC;AACA,QAAIT,YAAY,GAAG,KAAKA,YAAxB,CAJyD,CAMzD;;AACA,QAAIG,QAAQ,GAAG,CAACH,YAAY,KAAKjhB,SAAjB,GAA6BihB,YAA7B,GAA4CrD,SAAS,CAACwD,QAAV,GAAqBvb,cAAlE,IAAoF,KAAKsL,QAAxG;AACA,QAAIkQ,MAAM,GAAGzD,SAAS,CAACyD,MAAV,GAAmBxb,cAAnB,GAAoC,KAAKsL,QAAtD,CARyD,CASzD;;AACA,QAAIuR,cAAc,GAAG,IAArB;AACA,QAAIpe,aAAa,GAAGqd,WAAW,GAAGe,cAAlC,CAXyD,CAazD;;AACA,QAAInQ,SAAS,GAAGhK,IAAI,CAAC6C,IAAL,CAAU,CAACiW,MAAM,GAAGD,QAAV,IAAsB9c,aAAhC,CAAhB,CAdyD,CAgBzD;;AACA,QAAIqe,WAAW,GAAGtM,UAAG,CAACC,cAAJ,CAAmBrS,KAAK,CAAClB,aAAN,IAAuBkB,KAAK,CAACV,KAAhD,EAAuDU,KAAK,CAACX,YAA7D,CAAlB;AAEAvC,oBAAM,CAACgN,IAAP,CAAY,mBAAZ,EAnByD,CAoBzD;;AACA,QAAI,CAAC4U,WAAL,EAAkB;AAChB5hB,sBAAM,CAAC6hB,KAAP,CAAa,6FAAb;AACA;AACD;;AAED,QAAI9d,OAAO,GAAG,EAAd;;AACA,SAAK,IAAIzI,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGkW,SAApB,EAA+BlW,CAAC,EAAhC,EAAoC;AAClC,UAAIkI,KAAK,GAAG6c,QAAQ,GAAG/kB,CAAC,GAAGiI,aAA3B;AACAQ,aAAO,CAACC,IAAR,CAAa;AAAEJ,YAAI,EAAEge,WAAR;AAAqBve,WAAG,EAAEG,KAA1B;AAAiCM,WAAG,EAAEN;AAAtC,OAAb;AACD;;AACDN,SAAK,CAACa,OAAN,GAAgBA,OAAhB;AAEA,SAAKyY,UAAL,CAAgBtZ,KAAhB,EAAuBmC,UAAvB,EAAmCC,UAAnC;AACD,G;;SAEDyX,Q,GAAA,kBAAU7Z,KAAV,EAAiB;AACf,QAAIvG,MAAM,GAAGuG,KAAK,CAACa,OAAN,CAAcpH,MAA3B;AAAA,QAAmCsH,MAAnC;AACA,QAAMa,cAAc,GAAG5B,KAAK,CAAC4B,cAA7B;AACA,QAAMuY,OAAO,GAAG,KAAKlN,QAArB;AACA,QAAMmN,OAAO,GAAG,KAAKlN,QAArB,CAJe,CAKf;;AACA,QAAIzT,MAAJ,EAAY;AACV,WAAK,IAAImlB,KAAK,GAAG,CAAjB,EAAoBA,KAAK,GAAGnlB,MAA5B,EAAoCmlB,KAAK,EAAzC,EAA6C;AAC3C7d,cAAM,GAAGf,KAAK,CAACa,OAAN,CAAc+d,KAAd,CAAT,CAD2C,CAE3C;AACA;;AACA7d,cAAM,CAACZ,GAAP,GAAc,CAACY,MAAM,CAACZ,GAAP,GAAaga,OAAd,IAAyBvY,cAAvC;AACAb,cAAM,CAACH,GAAP,GAAc,CAACG,MAAM,CAACH,GAAP,GAAawZ,OAAd,IAAyBxY,cAAvC;AACD;;AACD,WAAKzF,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACkhB,qBAA5B,EAAmD;AACjDhe,eAAO,EAAEb,KAAK,CAACa;AADkC,OAAnD;AAGD;;AAEDb,SAAK,CAACa,OAAN,GAAgB,EAAhB;AACD,G;;SAEDiZ,S,GAAA,mBAAW9Z,KAAX,EAAkB;AAChBA,SAAK,CAACa,OAAN,CAAcya,IAAd,CAAmB,UAAUC,CAAV,EAAahM,CAAb,EAAgB;AACjC,aAAQgM,CAAC,CAACpb,GAAF,GAAQoP,CAAC,CAACpP,GAAlB;AACD,KAFD;AAIA,QAAI1G,MAAM,GAAGuG,KAAK,CAACa,OAAN,CAAcpH,MAA3B;AAAA,QAAmCsH,MAAnC;AACA,QAAMa,cAAc,GAAG5B,KAAK,CAAC4B,cAA7B;AACA,QAAMuY,OAAO,GAAG,KAAKlN,QAArB,CAPgB,CAQhB;;AACA,QAAIxT,MAAJ,EAAY;AACV,WAAK,IAAImlB,KAAK,GAAG,CAAjB,EAAoBA,KAAK,GAAGnlB,MAA5B,EAAoCmlB,KAAK,EAAzC,EAA6C;AAC3C7d,cAAM,GAAGf,KAAK,CAACa,OAAN,CAAc+d,KAAd,CAAT,CAD2C,CAE3C;AACA;;AACA7d,cAAM,CAACZ,GAAP,GAAc,CAACY,MAAM,CAACZ,GAAP,GAAaga,OAAd,IAAyBvY,cAAvC;AACD;;AACD,WAAKzF,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACmhB,qBAA5B,EAAmD;AACjDje,eAAO,EAAEb,KAAK,CAACa;AADkC,OAAnD;AAGD;;AAEDb,SAAK,CAACa,OAAN,GAAgB,EAAhB;AACD,G;;SAEDua,a,GAAA,uBAAejK,KAAf,EAAsB4N,SAAtB,EAAiC;AAC/B,QAAIvlB,MAAJ;;AACA,QAAIulB,SAAS,KAAKhjB,SAAlB,EAA6B;AAC3B,aAAOoV,KAAP;AACD;;AAED,QAAI4N,SAAS,GAAG5N,KAAhB,EAAuB;AACrB;AACA3X,YAAM,GAAG,CAAC,UAAV;AACD,KAHD,MAGO;AACL;AACAA,YAAM,GAAG,UAAT;AACD;AACD;;;;;AAGA,WAAO8K,IAAI,CAAC4N,GAAL,CAASf,KAAK,GAAG4N,SAAjB,IAA8B,UAArC,EAAiD;AAC/C5N,WAAK,IAAI3X,MAAT;AACD;;AAED,WAAO2X,KAAP;AACD,G;;;;;AAGYsH,sEAAf,E;;ACjyBA;;;AAGA;;IAEMuG,sC;;;AACJ,8BAAa7iB,QAAb,EAAuB;AACrB,SAAKA,QAAL,GAAgBA,QAAhB;AACD;;;;SAEDL,O,GAAA,mBAAW,CACV,C;;SAED+F,c,GAAA,0BAAkB,CACjB,C;;SAEDX,gB,GAAA,4BAAoB,CACnB,C;;SAEDwB,K,GAAA,eAAOwI,UAAP,EAAmB4B,UAAnB,EAA+B3B,QAA/B,EAAyC4B,SAAzC,EAAoD5K,UAApD,EAAgEC,UAAhE,EAA4EC,kBAA5E,EAAgG4c,OAAhG,EAAyG;AACvG,QAAI9iB,QAAQ,GAAG,KAAKA,QAApB;AACA,QAAI+iB,UAAU,GAAG,EAAjB;;AACA,QAAIhU,UAAJ,EAAgB;AACdgU,gBAAU,IAAI,OAAd;AACD;;AAED,QAAIpS,UAAJ,EAAgB;AACdoS,gBAAU,IAAI,OAAd;AACD;;AAED/iB,YAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAAC6f,iBAAvB,EAA0C;AACxCP,WAAK,EAAEgC,OADiC;AAExCxF,cAAQ,EAAEtX,UAF8B;AAGxCgb,cAAQ,EAAEhb,UAH8B;AAIxCtE,UAAI,EAAEqhB,UAJkC;AAKxC7B,cAAQ,EAAE,CAAC,CAACnS,UAL4B;AAMxCoS,cAAQ,EAAE,CAAC,CAACxQ,UAN4B;AAOxCyQ,QAAE,EAAE,CAPoC;AAQxCrT,aAAO,EAAE;AAR+B,KAA1C,EAXuG,CAqBvG;;AACA/N,YAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAACoc,WAAvB;AACD,G;;;;;AAGYiF,8FAAf,E;;AC7CA;;;;;;AAOA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AAEA;CAGA;;AACA,IAAMhjB,MAAM,GAAGC,sCAAY,EAA3B,C,CAA+B;;AAE/B,IAAIkjB,GAAJ,C,CACA;;AACA,IAAI;AACFA,KAAG,GAAGnjB,MAAM,CAACojB,WAAP,CAAmBD,GAAnB,CAAuBtY,IAAvB,CAA4B7K,MAAM,CAACojB,WAAnC,CAAN;AACD,CAFD,CAEE,OAAO/hB,GAAP,EAAY;AACZP,kBAAM,CAAC6R,KAAP,CAAa,mDAAb;AACAwQ,KAAG,GAAGnjB,MAAM,CAACqjB,IAAP,CAAYF,GAAlB;AACD;;IAEKG,4B;;;AACJ,yBAAanjB,QAAb,EAAuBqN,aAAvB,EAAsCpN,MAAtC,EAA8Csc,MAA9C,EAAsD;AACpD,SAAKvc,QAAL,GAAgBA,QAAhB;AACA,SAAKqN,aAAL,GAAqBA,aAArB;AACA,SAAKpN,MAAL,GAAcA,MAAd;AACA,SAAKsc,MAAL,GAAcA,MAAd;AACD;;;;SAED5c,O,GAAA,mBAAW;AACT,QAAIyjB,OAAO,GAAG,KAAKA,OAAnB;;AACA,QAAIA,OAAJ,EAAa;AACXA,aAAO,CAACzjB,OAAR;AACD;AACF,G;;SAEDgF,I,GAAA,cAAMpK,IAAN,EAAY6Q,WAAZ,EAAyBpG,WAAzB,EAAsC7C,UAAtC,EAAkD8C,UAAlD,EAA8De,UAA9D,EAA0Eqd,aAA1E,EAAyFC,WAAzF,EAAsGrd,UAAtG,EAAkHf,QAAlH,EAA4HgB,kBAA5H,EAAgJqd,cAAhJ,EAAgK;AAAA;;AAC9J,QAAKhpB,IAAI,CAACS,UAAL,GAAkB,CAAnB,IAA0BoQ,WAAW,IAAI,IAAzC,IAAmDA,WAAW,CAAC5Q,GAAZ,IAAmB,IAAtE,IAAgF4Q,WAAW,CAACoC,MAAZ,KAAuB,SAA3G,EAAuH;AACrH,UAAIlC,SAAS,GAAG,KAAKA,SAArB;;AACA,UAAIA,SAAS,IAAI,IAAjB,EAAuB;AACrBA,iBAAS,GAAG,KAAKA,SAAL,GAAiB,IAAIvL,0BAAJ,CAAc,KAAKC,QAAnB,EAA6B,KAAKC,MAAlC,CAA7B;AACD;;AAED,UAAMujB,SAAS,GAAGR,GAAG,EAArB;AACA1X,eAAS,CAAChR,OAAV,CAAkBC,IAAlB,EAAwB6Q,WAAW,CAAC5Q,GAAZ,CAAgBM,MAAxC,EAAgDsQ,WAAW,CAAChR,EAAZ,CAAeU,MAA/D,EAAuE,UAACkR,aAAD,EAAmB;AACxF,YAAMyX,OAAO,GAAGT,GAAG,EAAnB;;AACA,aAAI,CAAChjB,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACkiB,cAA5B,EAA4C;AAAEC,eAAK,EAAE;AAAEC,kBAAM,EAAEJ,SAAV;AAAqBK,oBAAQ,EAAEJ;AAA/B;AAAT,SAA5C;;AACA,aAAI,CAACK,aAAL,CAAmB,IAAI7b,UAAJ,CAAe+D,aAAf,CAAnB,EAAkDZ,WAAlD,EAA+D,IAAInD,UAAJ,CAAejD,WAAf,CAA/D,EAA4F7C,UAA5F,EAAwG8C,UAAxG,EAAoHe,UAApH,EAAgIqd,aAAhI,EAA+IC,WAA/I,EAA4Jrd,UAA5J,EAAwKf,QAAxK,EAAkLgB,kBAAlL,EAAsMqd,cAAtM;AACD,OAJD;AAKD,KAZD,MAYO;AACL,WAAKO,aAAL,CAAmB,IAAI7b,UAAJ,CAAe1N,IAAf,CAAnB,EAAyC6Q,WAAzC,EAAsD,IAAInD,UAAJ,CAAejD,WAAf,CAAtD,EAAmF7C,UAAnF,EAA+F8C,UAA/F,EAA2Ge,UAA3G,EAAuHqd,aAAvH,EAAsIC,WAAtI,EAAmJrd,UAAnJ,EAA+Jf,QAA/J,EAAyKgB,kBAAzK,EAA6Lqd,cAA7L;AACD;AACF,G;;SAEDO,a,GAAA,uBAAevpB,IAAf,EAAqB6Q,WAArB,EAAkCpG,WAAlC,EAA+C7C,UAA/C,EAA2D8C,UAA3D,EAAuEe,UAAvE,EAAmFqd,aAAnF,EAAkGC,WAAlG,EAA+Grd,UAA/G,EAA2Hf,QAA3H,EAAqIgB,kBAArI,EAAyJqd,cAAzJ,EAAyK;AACvK,QAAIH,OAAO,GAAG,KAAKA,OAAnB;;AACA,QAAI,CAACA,OAAD,IACF;AACA;AACA;AACC,KAACC,aAAa,IAAIC,WAAlB,KAAkC,CAAC,KAAK9f,KAAL,CAAWjJ,IAAX,CAJtC,EAIyD;AACvD,UAAMyF,QAAQ,GAAG,KAAKA,QAAtB;AACA,UAAMqN,aAAa,GAAG,KAAKA,aAA3B;AACA,UAAMpN,MAAM,GAAG,KAAKA,MAApB,CAHuD,CAIvD;;AACA,UAAM8jB,SAAS,GAAG,CAChB;AAAEC,aAAK,EAAE5W,SAAT;AAAoB7G,aAAK,EAAE+V,WAAUA;AAArC,OADgB,EAEhB;AAAE0H,aAAK,EAAEC,qBAAT;AAAqB1d,aAAK,EAAEsc,mBAAkBA;AAA9C,OAFgB,EAGhB;AAAEmB,aAAK,EAAEnf,UAAT;AAAqB0B,aAAK,EAAE+V,WAAUA;AAAtC,OAHgB,EAIhB;AAAE0H,aAAK,EAAEhO,UAAT;AAAqBzP,aAAK,EAAE+V,WAAUA;AAAtC,OAJgB,CAAlB,CALuD,CAYvD;;AACA,WAAK,IAAIrgB,CAAC,GAAG,CAAR,EAAWuJ,GAAG,GAAGue,SAAS,CAACzmB,MAAhC,EAAwCrB,CAAC,GAAGuJ,GAA5C,EAAiDvJ,CAAC,EAAlD,EAAsD;AACpD,YAAMioB,GAAG,GAAGH,SAAS,CAAC9nB,CAAD,CAArB;AACA,YAAMuH,KAAK,GAAG0gB,GAAG,CAACF,KAAJ,CAAUxgB,KAAxB;;AACA,YAAIA,KAAK,CAACjJ,IAAD,CAAT,EAAiB;AACf,cAAMuK,QAAO,GAAG,KAAKA,OAAL,GAAe,IAAIof,GAAG,CAAC3d,KAAR,CAAcvG,QAAd,EAAwBC,MAAxB,EAAgCoN,aAAhC,EAA+C,KAAKkP,MAApD,CAA/B;;AACA6G,iBAAO,GAAG,IAAIc,GAAG,CAACF,KAAR,CAAchkB,QAAd,EAAwB8E,QAAxB,EAAiC7E,MAAjC,EAAyCoN,aAAzC,CAAV;AACA,eAAK7J,KAAL,GAAaA,KAAb;AACA;AACD;AACF;;AACD,UAAI,CAAC4f,OAAL,EAAc;AACZpjB,gBAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,cAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,iBAAO,EAAEC,sBAAY,CAACe,kBAAtD;AAA0Eb,eAAK,EAAE,IAAjF;AAAuFC,gBAAM,EAAE;AAA/F,SAA9B;AACA;AACD;;AACD,WAAKmhB,OAAL,GAAeA,OAAf;AACD;;AACD,QAAMte,OAAO,GAAG,KAAKA,OAArB;;AAEA,QAAIue,aAAa,IAAIC,WAArB,EAAkC;AAChCF,aAAO,CAACre,gBAAR,CAAyBC,WAAzB,EAAsC7C,UAAtC,EAAkD8C,UAAlD,EAA8DC,QAA9D;AACAJ,aAAO,CAACC,gBAAR;AACD;;AACD,QAAIse,aAAJ,EAAmB;AACjBD,aAAO,CAAC1d,cAAR,CAAuB6d,cAAvB;AACAze,aAAO,CAACY,cAAR,CAAuB6d,cAAvB;AACD;;AACD,QAAI,OAAOH,OAAO,CAAC7V,cAAf,KAAkC,UAAtC,EAAkD;AAChD6V,aAAO,CAAC7V,cAAR,CAAuBnC,WAAvB;AACD;;AAEDgY,WAAO,CAACrd,MAAR,CAAexL,IAAf,EAAqByL,UAArB,EAAiCC,UAAjC,EAA6CC,kBAA7C;AACD,G;;;;;AAGYid,gHAAf,E;;;;;;;;;;;;;ACtHA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;;;;AAKA;AACA;AACA;AAEA;;AAEA,IAAIgB,aAAa,GAAG,SAAhBA,aAAgB,CAAUC,IAAV,EAAgB;AAClC;AACA,MAAIpkB,QAAQ,GAAG,IAAIqkB,0DAAJ,EAAf;;AACArkB,UAAQ,CAACuB,OAAT,GAAmB,SAASA,OAAT,CAAkB+iB,KAAlB,EAAkC;AAAA,sCAAN/pB,IAAM;AAANA,UAAM;AAAA;;AACnDyF,YAAQ,CAACukB,IAAT,OAAAvkB,QAAQ,GAAMskB,KAAN,EAAaA,KAAb,SAAuB/pB,IAAvB,EAAR;AACD,GAFD;;AAIAyF,UAAQ,CAACwkB,GAAT,GAAe,SAASA,GAAT,CAAcF,KAAd,EAA8B;AAAA,uCAAN/pB,IAAM;AAANA,UAAM;AAAA;;AAC3CyF,YAAQ,CAACykB,cAAT,OAAAzkB,QAAQ,GAAgBskB,KAAhB,SAA0B/pB,IAA1B,EAAR;AACD,GAFD;;AAIA,MAAImqB,cAAc,GAAG,SAAjBA,cAAiB,CAAUC,EAAV,EAAcpqB,IAAd,EAAoB;AACvC6pB,QAAI,CAACQ,WAAL,CAAiB;AAAEN,WAAK,EAAEK,EAAT;AAAapqB,UAAI,EAAEA;AAAnB,KAAjB;AACD,GAFD;;AAIA6pB,MAAI,CAACS,gBAAL,CAAsB,SAAtB,EAAiC,UAAUF,EAAV,EAAc;AAC7C,QAAIpqB,IAAI,GAAGoqB,EAAE,CAACpqB,IAAd,CAD6C,CAE7C;;AACA,YAAQA,IAAI,CAACuqB,GAAb;AACA,WAAK,MAAL;AACE,YAAM7kB,MAAM,GAAG8kB,IAAI,CAACC,KAAL,CAAWzqB,IAAI,CAAC0F,MAAhB,CAAf;AACAmkB,YAAI,CAAChB,OAAL,GAAe,IAAID,6DAAJ,CAAkBnjB,QAAlB,EAA4BzF,IAAI,CAAC8S,aAAjC,EAAgDpN,MAAhD,EAAwD1F,IAAI,CAACgiB,MAA7D,CAAf;AAEA0I,wEAAU,CAAChlB,MAAM,CAACuS,KAAR,CAAV,CAJF,CAME;;AACAkS,sBAAc,CAAC,MAAD,EAAS,IAAT,CAAd;AACA;;AACF,WAAK,OAAL;AACEN,YAAI,CAAChB,OAAL,CAAaze,IAAb,CAAkBpK,IAAI,CAACA,IAAvB,EAA6BA,IAAI,CAAC6Q,WAAlC,EAA+C7Q,IAAI,CAACyK,WAApD,EAAiEzK,IAAI,CAAC4H,UAAtE,EAAkF5H,IAAI,CAAC0K,UAAvF,EAAmG1K,IAAI,CAACyL,UAAxG,EAAoHzL,IAAI,CAAC8oB,aAAzH,EAAwI9oB,IAAI,CAAC+oB,WAA7I,EAA0J/oB,IAAI,CAAC0L,UAA/J,EAA2K1L,IAAI,CAAC2K,QAAhL,EAA0L3K,IAAI,CAAC2L,kBAA/L,EAAmN3L,IAAI,CAACgpB,cAAxN;AACA;;AACF;AACE;AAdF;AAgBD,GAnBD,EAfkC,CAoClC;;AACAvjB,UAAQ,CAACklB,EAAT,CAAY1jB,+CAAK,CAACkiB,cAAlB,EAAkCgB,cAAlC;AACA1kB,UAAQ,CAACklB,EAAT,CAAY1jB,+CAAK,CAAC+c,yBAAlB,EAA6CmG,cAA7C;AACA1kB,UAAQ,CAACklB,EAAT,CAAY1jB,+CAAK,CAACoc,WAAlB,EAA+B8G,cAA/B;AACA1kB,UAAQ,CAACklB,EAAT,CAAY1jB,+CAAK,CAACC,KAAlB,EAAyBijB,cAAzB;AACA1kB,UAAQ,CAACklB,EAAT,CAAY1jB,+CAAK,CAACkhB,qBAAlB,EAAyCgC,cAAzC;AACA1kB,UAAQ,CAACklB,EAAT,CAAY1jB,+CAAK,CAACmhB,qBAAlB,EAAyC+B,cAAzC;AACA1kB,UAAQ,CAACklB,EAAT,CAAY1jB,+CAAK,CAAC4c,cAAlB,EAAkCsG,cAAlC,EA3CkC,CA6ClC;;AACA1kB,UAAQ,CAACklB,EAAT,CAAY1jB,+CAAK,CAAC6f,iBAAlB,EAAqC,UAAUsD,EAAV,EAAcpqB,IAAd,EAAoB;AACvD,QAAI4qB,YAAY,GAAG,EAAnB;AACA,QAAI7jB,OAAO,GAAG;AAAEgjB,WAAK,EAAEK,EAAT;AAAapqB,UAAI,EAAEA;AAAnB,KAAd;;AACA,QAAIA,IAAI,CAACumB,KAAT,EAAgB;AACdxf,aAAO,CAACwf,KAAR,GAAgBvmB,IAAI,CAACumB,KAAL,CAAWhmB,MAA3B;AACAqqB,kBAAY,CAACxgB,IAAb,CAAkBpK,IAAI,CAACumB,KAAL,CAAWhmB,MAA7B;AACA,aAAOP,IAAI,CAACumB,KAAZ;AACD;;AACD,QAAIvmB,IAAI,CAACwmB,KAAT,EAAgB;AACdzf,aAAO,CAACyf,KAAR,GAAgBxmB,IAAI,CAACwmB,KAAL,CAAWjmB,MAA3B;AACAqqB,kBAAY,CAACxgB,IAAb,CAAkBpK,IAAI,CAACwmB,KAAL,CAAWjmB,MAA7B;AACA,aAAOP,IAAI,CAACwmB,KAAZ;AACD;;AACDqD,QAAI,CAACQ,WAAL,CAAiBtjB,OAAjB,EAA0B6jB,YAA1B;AACD,GAdD;AAeD,CA7DD;;AA+DehB,4EAAf,E;;;;;;;;;;;;AC1EA;AAAA;AAAA;AAAA;AAEA;;;;IAGMve,G;;;;;AACJ;;;;;;MAMOrC,Q,GAAP,kBAAiBhJ,IAAjB,EAAuB8C,MAAvB,EAA+B;AAC7B;;;;;;;;;;;;;AAaA,QAAIA,MAAM,GAAG,EAAT,IAAe9C,IAAI,CAAC+C,MAAxB,EAAgC;AAC9B;AACA,UAAI/C,IAAI,CAAC8C,MAAD,CAAJ,KAAiB,IAAjB,IAAyB9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,KAAqB,IAA9C,IAAsD9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,KAAqB,IAA/E,EAAqF;AACnF;AACA,YAAI9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAnB,IAA2B9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAlD,EAAwD;AACtD;AACA,cAAI9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAnB,IAA2B9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAA9C,IAAsD9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAzE,IAAiF9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAxG,EAA8G;AAC5G,mBAAO,IAAP;AACD;AACF;AACF;AACF;;AAED,WAAO,KAAP;AACD;AAED;;;;;;;;MAMO+nB,Q,GAAP,kBAAiB7qB,IAAjB,EAAuB8C,MAAvB,EAA+B;AAC7B;;;AAGA,QAAIA,MAAM,GAAG,EAAT,IAAe9C,IAAI,CAAC+C,MAAxB,EAAgC;AAC9B;AACA,UAAI/C,IAAI,CAAC8C,MAAD,CAAJ,KAAiB,IAAjB,IAAyB9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,KAAqB,IAA9C,IAAsD9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,KAAqB,IAA/E,EAAqF;AACnF;AACA,YAAI9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAnB,IAA2B9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAlD,EAAwD;AACtD;AACA,cAAI9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAnB,IAA2B9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAA9C,IAAsD9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAzE,IAAiF9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAxG,EAA8G;AAC5G,mBAAO,IAAP;AACD;AACF;AACF;AACF;;AAED,WAAO,KAAP;AACD;AAED;;;;;;;;MAMOwI,U,GAAP,oBAAmBtL,IAAnB,EAAyB8C,MAAzB,EAAiC;AAC/B,QAAMgoB,KAAK,GAAGhoB,MAAd;AACA,QAAIC,MAAM,GAAG,CAAb;;AAEA,WAAOsI,GAAG,CAACrC,QAAJ,CAAahJ,IAAb,EAAmB8C,MAAnB,CAAP,EAAmC;AACjC;AACAC,YAAM,IAAI,EAAV;;AAEA,UAAMoL,IAAI,GAAG9C,GAAG,CAAC0f,SAAJ,CAAc/qB,IAAd,EAAoB8C,MAAM,GAAG,CAA7B,CAAb;;AACAC,YAAM,IAAIoL,IAAV;;AAEA,UAAI9C,GAAG,CAACwf,QAAJ,CAAa7qB,IAAb,EAAmB8C,MAAM,GAAG,EAA5B,CAAJ,EAAqC;AACnC;AACAC,cAAM,IAAI,EAAV;AACD;;AAEDD,YAAM,IAAIC,MAAV;AACD;;AAED,QAAIA,MAAM,GAAG,CAAb,EAAgB;AACd,aAAO/C,IAAI,CAACiK,QAAL,CAAc6gB,KAAd,EAAqBA,KAAK,GAAG/nB,MAA7B,CAAP;AACD;;AAED,WAAOsC,SAAP;AACD,G;;MAEM0lB,S,GAAP,mBAAkB/qB,IAAlB,EAAwB8C,MAAxB,EAAgC;AAC9B,QAAIqL,IAAI,GAAG,CAAX;AACAA,QAAI,GAAI,CAACnO,IAAI,CAAC8C,MAAD,CAAJ,GAAe,IAAhB,KAAyB,EAAjC;AACAqL,QAAI,IAAK,CAACnO,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,EAAtC;AACAqL,QAAI,IAAK,CAACnO,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,CAAtC;AACAqL,QAAI,IAAKnO,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAA5B;AACA,WAAOqL,IAAP;AACD;AAED;;;;;;;MAKOtC,Y,GAAP,sBAAqB7L,IAArB,EAA2B;AACzB,QAAMgrB,MAAM,GAAG3f,GAAG,CAAC4f,YAAJ,CAAiBjrB,IAAjB,CAAf;;AACA,SAAK,IAAI0B,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGspB,MAAM,CAACjoB,MAA3B,EAAmCrB,CAAC,EAApC,EAAwC;AACtC,UAAMqK,KAAK,GAAGif,MAAM,CAACtpB,CAAD,CAApB;;AACA,UAAI2J,GAAG,CAAC6f,gBAAJ,CAAqBnf,KAArB,CAAJ,EAAiC;AAC/B,eAAOV,GAAG,CAAC8f,cAAJ,CAAmBpf,KAAnB,CAAP;AACD;AACF;;AAED,WAAO1G,SAAP;AACD;AAED;;;;;;MAIO6lB,gB,GAAP,0BAAyBnf,KAAzB,EAAgC;AAC9B,WAAQA,KAAK,IAAIA,KAAK,CAAC9L,GAAN,KAAc,MAAvB,IAAiC8L,KAAK,CAACqf,IAAN,KAAe,8CAAxD;AACD,G;;MAEMC,a,GAAP,uBAAsBrrB,IAAtB,EAA4B;AAC1B;;;;;AAKA,QAAMmH,IAAI,GAAGmkB,MAAM,CAACC,YAAP,CAAoBvrB,IAAI,CAAC,CAAD,CAAxB,EAA6BA,IAAI,CAAC,CAAD,CAAjC,EAAsCA,IAAI,CAAC,CAAD,CAA1C,EAA+CA,IAAI,CAAC,CAAD,CAAnD,CAAb;;AACA,QAAMmO,IAAI,GAAG9C,GAAG,CAAC0f,SAAJ,CAAc/qB,IAAd,EAAoB,CAApB,CAAb,CAP0B,CAS1B;;;AACA,QAAI8C,MAAM,GAAG,EAAb;AAEA,WAAO;AAAEqE,UAAI,EAAJA,IAAF;AAAQgH,UAAI,EAAJA,IAAR;AAAcnO,UAAI,EAAEA,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBA,MAAM,GAAGqL,IAA/B;AAApB,KAAP;AACD;AAED;;;;;;;MAKO8c,Y,GAAP,sBAAqB7f,OAArB,EAA8B;AAC5B,QAAItI,MAAM,GAAG,CAAb;AACA,QAAMkoB,MAAM,GAAG,EAAf;;AAEA,WAAO3f,GAAG,CAACrC,QAAJ,CAAaoC,OAAb,EAAsBtI,MAAtB,CAAP,EAAsC;AACpC,UAAMqL,IAAI,GAAG9C,GAAG,CAAC0f,SAAJ,CAAc3f,OAAd,EAAuBtI,MAAM,GAAG,CAAhC,CAAb,CADoC,CAEpC;;;AACAA,YAAM,IAAI,EAAV;AACA,UAAMglB,GAAG,GAAGhlB,MAAM,GAAGqL,IAArB,CAJoC,CAKpC;;AACA,aAAOrL,MAAM,GAAG,CAAT,GAAaglB,GAApB,EAAyB;AACvB,YAAM0D,SAAS,GAAGngB,GAAG,CAACggB,aAAJ,CAAkBjgB,OAAO,CAACnB,QAAR,CAAiBnH,MAAjB,CAAlB,CAAlB;;AACA,YAAMiJ,KAAK,GAAGV,GAAG,CAACogB,YAAJ,CAAiBD,SAAjB,CAAd;;AACA,YAAIzf,KAAJ,EAAW;AACTif,gBAAM,CAAC5gB,IAAP,CAAY2B,KAAZ;AACD,SALsB,CAOvB;;;AACAjJ,cAAM,IAAI0oB,SAAS,CAACrd,IAAV,GAAiB,EAA3B;AACD;;AAED,UAAI9C,GAAG,CAACwf,QAAJ,CAAazf,OAAb,EAAsBtI,MAAtB,CAAJ,EAAmC;AACjCA,cAAM,IAAI,EAAV;AACD;AACF;;AAED,WAAOkoB,MAAP;AACD,G;;MAEMS,Y,GAAP,sBAAqB1f,KAArB,EAA4B;AAC1B,QAAIA,KAAK,CAAC5E,IAAN,KAAe,MAAnB,EAA2B;AACzB,aAAOkE,GAAG,CAACqgB,gBAAJ,CAAqB3f,KAArB,CAAP;AACD,KAFD,MAEO,IAAIA,KAAK,CAAC5E,IAAN,CAAW,CAAX,MAAkB,GAAtB,EAA2B;AAChC,aAAOkE,GAAG,CAACsgB,gBAAJ,CAAqB5f,KAArB,CAAP;AACD,KAFM,MAEA,IAAIA,KAAK,CAAC5E,IAAN,CAAW,CAAX,MAAkB,GAAtB,EAA2B;AAChC,aAAOkE,GAAG,CAACugB,eAAJ,CAAoB7f,KAApB,CAAP;AACD;;AAED,WAAO1G,SAAP;AACD,G;;MAEM8lB,c,GAAP,wBAAuBU,cAAvB,EAAuC;AACrC,QAAIA,cAAc,CAAC7rB,IAAf,CAAoBS,UAApB,KAAmC,CAAvC,EAA0C;AACxC,UAAMT,IAAI,GAAG,IAAI0N,UAAJ,CAAeme,cAAc,CAAC7rB,IAA9B,CAAb,CADwC,CAExC;AACA;;AACA,UAAM8rB,QAAQ,GAAG9rB,IAAI,CAAC,CAAD,CAAJ,GAAU,GAA3B;AACA,UAAI4L,SAAS,GAAG,CAAC5L,IAAI,CAAC,CAAD,CAAJ,IAAW,EAAZ,KACCA,IAAI,CAAC,CAAD,CAAJ,IAAW,EADZ,KAECA,IAAI,CAAC,CAAD,CAAJ,IAAW,CAFZ,IAGCA,IAAI,CAAC,CAAD,CAHrB;AAIA4L,eAAS,IAAI,EAAb;;AAEA,UAAIkgB,QAAJ,EAAc;AACZlgB,iBAAS,IAAI,WAAb;AACD,OAbuC,CAatC;;;AAEF,aAAOgC,IAAI,CAAC6J,KAAL,CAAW7L,SAAX,CAAP;AACD;;AAED,WAAOvG,SAAP;AACD,G;;MAEMqmB,gB,GAAP,0BAAyB3f,KAAzB,EAAgC;AAC9B;;;AAGA,QAAIA,KAAK,CAACoC,IAAN,GAAa,CAAjB,EAAoB;AAClB,aAAO9I,SAAP;AACD;;AAED,QAAM0mB,KAAK,GAAG1gB,GAAG,CAAC2gB,eAAJ,CAAoBjgB,KAAK,CAAC/L,IAA1B,EAAgC,IAAhC,CAAd;;AACA,QAAMisB,WAAW,GAAG,IAAIve,UAAJ,CAAe3B,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoB8hB,KAAK,CAAChpB,MAAN,GAAe,CAAnC,CAAf,CAApB;AAEA,WAAO;AAAE9C,SAAG,EAAE8L,KAAK,CAAC5E,IAAb;AAAmBikB,UAAI,EAAEW,KAAzB;AAAgC/rB,UAAI,EAAEisB,WAAW,CAAC1rB;AAAlD,KAAP;AACD,G;;MAEMorB,gB,GAAP,0BAAyB5f,KAAzB,EAAgC;AAC9B,QAAIA,KAAK,CAACoC,IAAN,GAAa,CAAjB,EAAoB;AAClB,aAAO9I,SAAP;AACD;;AAED,QAAI0G,KAAK,CAAC5E,IAAN,KAAe,MAAnB,EAA2B;AACzB;;;;;AAKA,UAAI+gB,KAAK,GAAG,CAAZ;;AACA,UAAMgE,WAAW,GAAG7gB,GAAG,CAAC2gB,eAAJ,CAAoBjgB,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoBie,KAApB,CAApB,EAAgD,IAAhD,CAApB;;AAEAA,WAAK,IAAIgE,WAAW,CAACnpB,MAAZ,GAAqB,CAA9B;;AACA,UAAM0X,KAAK,GAAGpP,GAAG,CAAC2gB,eAAJ,CAAoBjgB,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoBie,KAApB,CAApB,CAAd;;AAEA,aAAO;AAAEjoB,WAAG,EAAE8L,KAAK,CAAC5E,IAAb;AAAmBikB,YAAI,EAAEc,WAAzB;AAAsClsB,YAAI,EAAEya;AAA5C,OAAP;AACD,KAbD,MAaO;AACL;;;;;AAKA,UAAM7H,IAAI,GAAGvH,GAAG,CAAC2gB,eAAJ,CAAoBjgB,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoB,CAApB,CAApB,CAAb;;AACA,aAAO;AAAEhK,WAAG,EAAE8L,KAAK,CAAC5E,IAAb;AAAmBnH,YAAI,EAAE4S;AAAzB,OAAP;AACD;AACF,G;;MAEMgZ,e,GAAP,yBAAwB7f,KAAxB,EAA+B;AAC7B,QAAIA,KAAK,CAAC5E,IAAN,KAAe,MAAnB,EAA2B;AACzB;;;;;AAKA,UAAI4E,KAAK,CAACoC,IAAN,GAAa,CAAjB,EAAoB;AAClB,eAAO9I,SAAP;AACD;;AAED,UAAI6iB,KAAK,GAAG,CAAZ;;AACA,UAAMgE,WAAW,GAAG7gB,GAAG,CAAC2gB,eAAJ,CAAoBjgB,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoBie,KAApB,CAApB,CAApB;;AAEAA,WAAK,IAAIgE,WAAW,CAACnpB,MAAZ,GAAqB,CAA9B;;AACA,UAAM0X,KAAK,GAAGpP,GAAG,CAAC2gB,eAAJ,CAAoBjgB,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoBie,KAApB,CAApB,CAAd;;AAEA,aAAO;AAAEjoB,WAAG,EAAE8L,KAAK,CAAC5E,IAAb;AAAmBikB,YAAI,EAAEc,WAAzB;AAAsClsB,YAAI,EAAEya;AAA5C,OAAP;AACD,KAjBD,MAiBO;AACL;;;;AAIA,UAAM0R,GAAG,GAAG9gB,GAAG,CAAC2gB,eAAJ,CAAoBjgB,KAAK,CAAC/L,IAA1B,CAAZ;;AACA,aAAO;AAAEC,WAAG,EAAE8L,KAAK,CAAC5E,IAAb;AAAmBnH,YAAI,EAAEmsB;AAAzB,OAAP;AACD;AACF,G,CAED;AACA;;AACA;;;;;;;;;MAOOH,e,GAAP,yBAAwBxR,KAAxB,EAA+B4R,UAA/B,EAAmD;AAAA,QAApBA,UAAoB;AAApBA,gBAAoB,GAAP,KAAO;AAAA;;AACjD,QAAMC,OAAO,GAAGC,cAAc,EAA9B;;AACA,QAAID,OAAJ,EAAa;AACX,UAAME,OAAO,GAAGF,OAAO,CAACG,MAAR,CAAehS,KAAf,CAAhB;;AAEA,UAAI4R,UAAJ,EAAgB;AACd;AACA,YAAMK,GAAG,GAAGF,OAAO,CAAC9jB,OAAR,CAAgB,IAAhB,CAAZ;AACA,eAAOgkB,GAAG,KAAK,CAAC,CAAT,GAAaF,OAAO,CAACG,SAAR,CAAkB,CAAlB,EAAqBD,GAArB,CAAb,GAAyCF,OAAhD;AACD,OAPU,CASX;;;AACA,aAAOA,OAAO,CAACI,OAAR,CAAgB,KAAhB,EAAuB,EAAvB,CAAP;AACD;;AAED,QAAM1hB,GAAG,GAAGuP,KAAK,CAACzX,MAAlB;AACA,QAAI6pB,CAAJ;AACA,QAAIC,KAAJ;AACA,QAAIC,KAAJ;AACA,QAAIC,GAAG,GAAG,EAAV;AACA,QAAIrrB,CAAC,GAAG,CAAR;;AACA,WAAOA,CAAC,GAAGuJ,GAAX,EAAgB;AACd2hB,OAAC,GAAGpS,KAAK,CAAC9Y,CAAC,EAAF,CAAT;;AACA,UAAIkrB,CAAC,KAAK,IAAN,IAAcR,UAAlB,EAA8B;AAC5B,eAAOW,GAAP;AACD,OAFD,MAEO,IAAIH,CAAC,KAAK,IAAN,IAAcA,CAAC,KAAK,IAAxB,EAA8B;AACnC;AACA;AACD;;AACD,cAAQA,CAAC,IAAI,CAAb;AACA,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AACtD;AACAG,aAAG,IAAIzB,MAAM,CAACC,YAAP,CAAoBqB,CAApB,CAAP;AACA;;AACF,aAAK,EAAL;AAAS,aAAK,EAAL;AACP;AACAC,eAAK,GAAGrS,KAAK,CAAC9Y,CAAC,EAAF,CAAb;AACAqrB,aAAG,IAAIzB,MAAM,CAACC,YAAP,CAAqB,CAACqB,CAAC,GAAG,IAAL,KAAc,CAAf,GAAqBC,KAAK,GAAG,IAAjD,CAAP;AACA;;AACF,aAAK,EAAL;AACE;AACAA,eAAK,GAAGrS,KAAK,CAAC9Y,CAAC,EAAF,CAAb;AACAorB,eAAK,GAAGtS,KAAK,CAAC9Y,CAAC,EAAF,CAAb;AACAqrB,aAAG,IAAIzB,MAAM,CAACC,YAAP,CAAqB,CAACqB,CAAC,GAAG,IAAL,KAAc,EAAf,GACd,CAACC,KAAK,GAAG,IAAT,KAAkB,CADJ,GAEd,CAACC,KAAK,GAAG,IAAT,KAAkB,CAFxB,CAAP;AAGA;;AACF;AAlBA;AAoBD;;AACD,WAAOC,GAAP;AACD,G;;;;;AAGH,IAAIV,OAAJ;;AAEA,SAASC,cAAT,GAA2B;AACzB,MAAMhnB,MAAM,GAAGC,0EAAY,EAA3B,CADyB,CACM;;AAC/B,MAAI,CAAC8mB,OAAD,IAAY,OAAO/mB,MAAM,CAAC0nB,WAAd,KAA8B,WAA9C,EAA2D;AACzDX,WAAO,GAAG,IAAI/mB,MAAM,CAAC0nB,WAAX,CAAuB,OAAvB,CAAV;AACD;;AAED,SAAOX,OAAP;AACD;;AAED,IAAMtS,cAAc,GAAG1O,GAAG,CAAC2gB,eAA3B;AAEe3gB,kEAAf;;;;;;;;;;;;;AC5WA;AAAA;AAAA;AAAA;;;AAGA;AACA;AAEA,IAAMuQ,UAAU,GAAGhO,IAAI,CAACiO,GAAL,CAAS,CAAT,EAAY,EAAZ,IAAkB,CAArC;;IAEM6N,U;;;AACJ,sBAAajkB,QAAb,EAAuB8E,OAAvB,EAAgC;AAC9B,SAAK9E,QAAL,GAAgBA,QAAhB;AACA,SAAK8E,OAAL,GAAeA,OAAf;AACD;;;;SAEDY,c,GAAA,wBAAgBsY,OAAhB,EAAyB;AACvB,SAAKA,OAAL,GAAeA,OAAf;AACD,G;;SAEDjZ,gB,GAAA,0BAAkBC,WAAlB,EAA+B7C,UAA/B,EAA2C8C,UAA3C,EAAuDC,QAAvD,EAAiE;AAC/D;AACA,QAAIF,WAAW,IAAIA,WAAW,CAAChK,UAA/B,EAA2C;AACzC,UAAMwsB,QAAQ,GAAG,KAAKA,QAAL,GAAgBvD,UAAU,CAACwD,gBAAX,CAA4BziB,WAA5B,CAAjC,CADyC,CAGzC;AACA;;AACA,UAAI7C,UAAU,IAAI,IAAlB,EAAwB;AACtBA,kBAAU,GAAG,WAAb;AACD;;AAED,UAAI8C,UAAU,IAAI,IAAlB,EAAwB;AACtBA,kBAAU,GAAG,aAAb;AACD;;AAED,UAAMqV,MAAM,GAAG,EAAf;;AACA,UAAIkN,QAAQ,CAACva,KAAT,IAAkBua,QAAQ,CAACxa,KAA/B,EAAsC;AACpCsN,cAAM,CAACoN,UAAP,GAAoB;AAAEtiB,mBAAS,EAAE,WAAb;AAA0BjC,eAAK,EAAEhB,UAAU,GAAG,GAAb,GAAmB8C,UAApD;AAAgED,qBAAW,EAAEE,QAAQ,GAAGF,WAAH,GAAiB;AAAtG,SAApB;AACD,OAFD,MAEO;AACL,YAAIwiB,QAAQ,CAACva,KAAb,EAAoB;AAClBqN,gBAAM,CAACrN,KAAP,GAAe;AAAE7H,qBAAS,EAAE,WAAb;AAA0BjC,iBAAK,EAAEhB,UAAjC;AAA6C6C,uBAAW,EAAEE,QAAQ,GAAGF,WAAH,GAAiB;AAAnF,WAAf;AACD;;AAED,YAAIwiB,QAAQ,CAACxa,KAAb,EAAoB;AAClBsN,gBAAM,CAACtN,KAAP,GAAe;AAAE5H,qBAAS,EAAE,WAAb;AAA0BjC,iBAAK,EAAE8B,UAAjC;AAA6CD,uBAAW,EAAEE,QAAQ,GAAGF,WAAH,GAAiB;AAAnF,WAAf;AACD;AACF;;AACD,WAAKhF,QAAL,CAAcuB,OAAd,CAAsBC,+CAAK,CAAC+c,yBAA5B,EAAuD;AAAEjE,cAAM,EAANA;AAAF,OAAvD;AACD,KA1BD,MA0BO;AACL,UAAInY,UAAJ,EAAgB;AACd,aAAKA,UAAL,GAAkBA,UAAlB;AACD;;AAED,UAAI8C,UAAJ,EAAgB;AACd,aAAKA,UAAL,GAAkBA,UAAlB;AACD;AACF;AACF,G;;aAEMzB,K,GAAP,eAAcjJ,IAAd,EAAoB;AAClB;AACA,WAAO0pB,UAAU,CAAC0D,OAAX,CAAmB;AAAEptB,UAAI,EAAEA,IAAR;AAAckU,WAAK,EAAE,CAArB;AAAwB4T,SAAG,EAAEla,IAAI,CAACC,GAAL,CAAS7N,IAAI,CAAC+C,MAAd,EAAsB,KAAtB;AAA7B,KAAnB,EAAgF,CAAC,MAAD,CAAhF,EAA0FA,MAA1F,GAAmG,CAA1G;AACD,G;;aAEMsqB,O,GAAP,iBAAgB9sB,MAAhB,EAAwB;AACtB,WAAO+qB,MAAM,CAACC,YAAP,CAAoBtL,KAApB,CAA0B,IAA1B,EAAgC1f,MAAhC,CAAP;AACD,G;;aAEM+sB,U,GAAP,oBAAmB/sB,MAAnB,EAA2BuC,MAA3B,EAAmC;AACjC,QAAIvC,MAAM,CAACP,IAAX,EAAiB;AACf8C,YAAM,IAAIvC,MAAM,CAAC2T,KAAjB;AACA3T,YAAM,GAAGA,MAAM,CAACP,IAAhB;AACD;;AAED,QAAMutB,GAAG,GAAGhtB,MAAM,CAACuC,MAAD,CAAN,IAAkB,CAAlB,GACAvC,MAAM,CAACuC,MAAM,GAAG,CAAV,CADlB;AAGA,WAAOyqB,GAAG,GAAG,CAAN,GAAU,QAAQA,GAAlB,GAAwBA,GAA/B;AACD,G;;aAEMC,U,GAAP,oBAAmBjtB,MAAnB,EAA2BuC,MAA3B,EAAmC;AACjC,QAAIvC,MAAM,CAACP,IAAX,EAAiB;AACf8C,YAAM,IAAIvC,MAAM,CAAC2T,KAAjB;AACA3T,YAAM,GAAGA,MAAM,CAACP,IAAhB;AACD;;AAED,QAAMutB,GAAG,GAAGhtB,MAAM,CAACuC,MAAD,CAAN,IAAkB,EAAlB,GACAvC,MAAM,CAACuC,MAAM,GAAG,CAAV,CAAN,IAAsB,EADtB,GAEAvC,MAAM,CAACuC,MAAM,GAAG,CAAV,CAAN,IAAsB,CAFtB,GAGAvC,MAAM,CAACuC,MAAM,GAAG,CAAV,CAHlB;AAIA,WAAOyqB,GAAG,GAAG,CAAN,GAAU,aAAaA,GAAvB,GAA6BA,GAApC;AACD,G;;aAEME,W,GAAP,qBAAoBltB,MAApB,EAA4BuC,MAA5B,EAAoC2X,KAApC,EAA2C;AACzC,QAAIla,MAAM,CAACP,IAAX,EAAiB;AACf8C,YAAM,IAAIvC,MAAM,CAAC2T,KAAjB;AACA3T,YAAM,GAAGA,MAAM,CAACP,IAAhB;AACD;;AACDO,UAAM,CAACuC,MAAD,CAAN,GAAiB2X,KAAK,IAAI,EAA1B;AACAla,UAAM,CAACuC,MAAM,GAAG,CAAV,CAAN,GAAsB2X,KAAK,IAAI,EAAV,GAAgB,IAArC;AACAla,UAAM,CAACuC,MAAM,GAAG,CAAV,CAAN,GAAsB2X,KAAK,IAAI,CAAV,GAAe,IAApC;AACAla,UAAM,CAACuC,MAAM,GAAG,CAAV,CAAN,GAAqB2X,KAAK,GAAG,IAA7B;AACD,G,CAED;;;aACO2S,O,GAAP,iBAAgBptB,IAAhB,EAAsB0tB,IAAtB,EAA4B;AAC1B,QAAIC,OAAO,GAAG,EAAd;AAAA,QACEjsB,CADF;AAAA,QACKyM,IADL;AAAA,QACWhH,IADX;AAAA,QACiB2gB,GADjB;AAAA,QACsB8F,UADtB;AAAA,QACkC1Z,KADlC;AAAA,QACyC2Z,MADzC;;AAGA,QAAI7tB,IAAI,CAACA,IAAT,EAAe;AACbkU,WAAK,GAAGlU,IAAI,CAACkU,KAAb;AACA4T,SAAG,GAAG9nB,IAAI,CAAC8nB,GAAX;AACA9nB,UAAI,GAAGA,IAAI,CAACA,IAAZ;AACD,KAJD,MAIO;AACLkU,WAAK,GAAG,CAAR;AACA4T,SAAG,GAAG9nB,IAAI,CAACS,UAAX;AACD;;AAED,QAAI,CAACitB,IAAI,CAAC3qB,MAAV,EAAkB;AAChB;AACA,aAAO,IAAP;AACD;;AAED,SAAKrB,CAAC,GAAGwS,KAAT,EAAgBxS,CAAC,GAAGomB,GAApB,GAA0B;AACxB3Z,UAAI,GAAGub,UAAU,CAAC8D,UAAX,CAAsBxtB,IAAtB,EAA4B0B,CAA5B,CAAP;AACAyF,UAAI,GAAGuiB,UAAU,CAAC2D,OAAX,CAAmBrtB,IAAI,CAACiK,QAAL,CAAcvI,CAAC,GAAG,CAAlB,EAAqBA,CAAC,GAAG,CAAzB,CAAnB,CAAP;AACAmsB,YAAM,GAAG1f,IAAI,GAAG,CAAP,GAAWzM,CAAC,GAAGyM,IAAf,GAAsB2Z,GAA/B;;AAEA,UAAI3gB,IAAI,KAAKumB,IAAI,CAAC,CAAD,CAAjB,EAAsB;AACpB,YAAIA,IAAI,CAAC3qB,MAAL,KAAgB,CAApB,EAAuB;AACrB;AACA;AACA4qB,iBAAO,CAACvjB,IAAR,CAAa;AAAEpK,gBAAI,EAAEA,IAAR;AAAckU,iBAAK,EAAExS,CAAC,GAAG,CAAzB;AAA4BomB,eAAG,EAAE+F;AAAjC,WAAb;AACD,SAJD,MAIO;AACL;AACAD,oBAAU,GAAGlE,UAAU,CAAC0D,OAAX,CAAmB;AAAEptB,gBAAI,EAAEA,IAAR;AAAckU,iBAAK,EAAExS,CAAC,GAAG,CAAzB;AAA4BomB,eAAG,EAAE+F;AAAjC,WAAnB,EAA8DH,IAAI,CAAC7sB,KAAL,CAAW,CAAX,CAA9D,CAAb;;AACA,cAAI+sB,UAAU,CAAC7qB,MAAf,EAAuB;AACrB4qB,mBAAO,GAAGA,OAAO,CAACzN,MAAR,CAAe0N,UAAf,CAAV;AACD;AACF;AACF;;AACDlsB,OAAC,GAAGmsB,MAAJ;AACD,KArCyB,CAuC1B;;;AACA,WAAOF,OAAP;AACD,G;;aAEMG,iB,GAAP,2BAA0BrjB,WAA1B,EAAuC;AACrC,QAAMsS,IAAI,GAAG2M,UAAU,CAAC0D,OAAX,CAAmB3iB,WAAnB,EAAgC,CAAC,MAAD,CAAhC,EAA0C,CAA1C,CAAb;AACA,QAAMsjB,aAAa,GAAGhR,IAAI,GAAGA,IAAI,CAAC+K,GAAR,GAAc,IAAxC,CAFqC,CAES;;AAE9C,QAAII,KAAK,GAAG,CAAZ;AACA,QAAI8F,IAAI,GAAGtE,UAAU,CAAC0D,OAAX,CAAmB3iB,WAAnB,EAAgC,CAAC,MAAD,CAAhC,CAAX;AACA,QAAIwjB,UAAJ;;AAEA,QAAI,CAACD,IAAD,IAAS,CAACA,IAAI,CAAC,CAAD,CAAlB,EAAuB;AACrB,aAAO,IAAP;AACD;;AAEDC,cAAU,GAAG,EAAb;AACAD,QAAI,GAAGA,IAAI,CAAC,CAAD,CAAX;AAEA,QAAME,OAAO,GAAGF,IAAI,CAAChuB,IAAL,CAAU,CAAV,CAAhB,CAfqC,CAiBrC;;AACAkoB,SAAK,GAAGgG,OAAO,KAAK,CAAZ,GAAgB,CAAhB,GAAoB,EAA5B;AAEA,QAAMxO,SAAS,GAAGgK,UAAU,CAAC8D,UAAX,CAAsBQ,IAAtB,EAA4B9F,KAA5B,CAAlB;AACAA,SAAK,IAAI,CAAT,CArBqC,CAuBrC;AACA;;AACA,QAAIiG,wBAAwB,GAAG,CAA/B;AACA,QAAIC,WAAW,GAAG,CAAlB;;AAEA,QAAIF,OAAO,KAAK,CAAhB,EAAmB;AACjBhG,WAAK,IAAI,CAAT;AACD,KAFD,MAEO;AACLA,WAAK,IAAI,EAAT;AACD,KAhCoC,CAkCrC;;;AACAA,SAAK,IAAI,CAAT;AAEA,QAAImG,SAAS,GAAGL,IAAI,CAAClG,GAAL,GAAWsG,WAA3B;AAEA,QAAME,eAAe,GAAG5E,UAAU,CAAC4D,UAAX,CAAsBU,IAAtB,EAA4B9F,KAA5B,CAAxB;AACAA,SAAK,IAAI,CAAT;;AAEA,SAAK,IAAIxmB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG4sB,eAApB,EAAqC5sB,CAAC,EAAtC,EAA0C;AACxC,UAAI6sB,cAAc,GAAGrG,KAArB;AAEA,UAAMsG,aAAa,GAAG9E,UAAU,CAAC8D,UAAX,CAAsBQ,IAAtB,EAA4BO,cAA5B,CAAtB;AACAA,oBAAc,IAAI,CAAlB;AAEA,UAAME,aAAa,GAAGD,aAAa,GAAG,UAAtC;AACA,UAAME,aAAa,GAAG,CAACF,aAAa,GAAG,UAAjB,MAAiC,EAAvD;;AAEA,UAAIE,aAAa,KAAK,CAAtB,EAAyB;AACvBC,eAAO,CAACvb,IAAR,CAAa,kDAAb;AACA;AACD;;AAED,UAAMwb,kBAAkB,GAAGlF,UAAU,CAAC8D,UAAX,CAAsBQ,IAAtB,EAA4BO,cAA5B,CAA3B;AACAA,oBAAc,IAAI,CAAlB;AAEAN,gBAAU,CAAC7jB,IAAX,CAAgB;AACdqkB,qBAAa,EAAbA,aADc;AAEdG,0BAAkB,EAAlBA,kBAFc;AAEM;AACpBxD,YAAI,EAAE;AACJzgB,kBAAQ,EAAEikB,kBAAkB,GAAGlP,SAD3B;AAEJxL,eAAK,EAAEma,SAFH;AAGJvG,aAAG,EAAEuG,SAAS,GAAGI,aAAZ,GAA4B;AAH7B;AAHQ,OAAhB;AAUAJ,eAAS,IAAII,aAAb,CA3BwC,CA6BxC;AACA;;AACAF,oBAAc,IAAI,CAAlB,CA/BwC,CAiCxC;;AACArG,WAAK,GAAGqG,cAAR;AACD;;AAED,WAAO;AACLJ,8BAAwB,EAAxBA,wBADK;AAELzO,eAAS,EAATA,SAFK;AAGLwO,aAAO,EAAPA,OAHK;AAILI,qBAAe,EAAfA,eAJK;AAKLL,gBAAU,EAAVA,UALK;AAMLF,mBAAa,EAAbA;AANK,KAAP;AAQD;AAED;;;;;;;;;;;;;;;;;;;;;aAmBOb,gB,GAAP,0BAAyBziB,WAAzB,EAAsC;AACpC,QAAI5D,MAAM,GAAG,EAAb;AACA,QAAIgoB,KAAK,GAAGnF,UAAU,CAAC0D,OAAX,CAAmB3iB,WAAnB,EAAgC,CAAC,MAAD,EAAS,MAAT,CAAhC,CAAZ;AAEAokB,SAAK,CAACrW,OAAN,CAAc,UAAAsF,IAAI,EAAI;AACpB,UAAMG,IAAI,GAAGyL,UAAU,CAAC0D,OAAX,CAAmBtP,IAAnB,EAAyB,CAAC,MAAD,CAAzB,EAAmC,CAAnC,CAAb;;AACA,UAAIG,IAAJ,EAAU;AACR,YAAIiQ,OAAO,GAAGjQ,IAAI,CAACje,IAAL,CAAUie,IAAI,CAAC/J,KAAf,CAAd;AACA,YAAIgU,KAAK,GAAGgG,OAAO,KAAK,CAAZ,GAAgB,EAAhB,GAAqB,EAAjC;AACA,YAAIY,OAAO,GAAGpF,UAAU,CAAC8D,UAAX,CAAsBvP,IAAtB,EAA4BiK,KAA5B,CAAd;AAEA,YAAMxL,IAAI,GAAGgN,UAAU,CAAC0D,OAAX,CAAmBtP,IAAnB,EAAyB,CAAC,MAAD,EAAS,MAAT,CAAzB,EAA2C,CAA3C,CAAb;;AACA,YAAIpB,IAAJ,EAAU;AACRwR,iBAAO,GAAGxR,IAAI,CAAC1c,IAAL,CAAU0c,IAAI,CAACxI,KAAf,CAAV;AACAgU,eAAK,GAAGgG,OAAO,KAAK,CAAZ,GAAgB,EAAhB,GAAqB,EAA7B;AACA,cAAMxO,SAAS,GAAGgK,UAAU,CAAC8D,UAAX,CAAsB9Q,IAAtB,EAA4BwL,KAA5B,CAAlB;AAEA,cAAM1L,IAAI,GAAGkN,UAAU,CAAC0D,OAAX,CAAmBtP,IAAnB,EAAyB,CAAC,MAAD,EAAS,MAAT,CAAzB,EAA2C,CAA3C,CAAb;;AACA,cAAItB,IAAJ,EAAU;AACR,gBAAMuS,QAAQ,GAAGrF,UAAU,CAAC2D,OAAX,CAAmB7Q,IAAI,CAACxc,IAAL,CAAUiK,QAAV,CAAmBuS,IAAI,CAACtI,KAAL,GAAa,CAAhC,EAAmCsI,IAAI,CAACtI,KAAL,GAAa,EAAhD,CAAnB,CAAjB;AACA,gBAAI/M,IAAI,GAAG;AAAE,sBAAQ,OAAV;AAAmB,sBAAQ;AAA3B,cAAqC4nB,QAArC,CAAX;;AACA,gBAAI5nB,IAAJ,EAAU;AACR;AACA,kBAAI6nB,QAAQ,GAAGtF,UAAU,CAAC0D,OAAX,CAAmBtP,IAAnB,EAAyB,CAAC,MAAD,EAAS,MAAT,EAAiB,MAAjB,EAAyB,MAAzB,CAAzB,CAAf;;AACA,kBAAIkR,QAAQ,CAACjsB,MAAb,EAAqB;AACnBisB,wBAAQ,GAAGA,QAAQ,CAAC,CAAD,CAAnB;AACA,oBAAIC,SAAS,GAAGvF,UAAU,CAAC2D,OAAX,CAAmB2B,QAAQ,CAAChvB,IAAT,CAAciK,QAAd,CAAuB+kB,QAAQ,CAAC9a,KAAT,GAAiB,EAAxC,EAA4C8a,QAAQ,CAAC9a,KAAT,GAAiB,EAA7D,CAAnB,CAAhB;AACA9N,oEAAM,CAACC,GAAP,iBAAyBc,IAAzB,SAAiC8nB,SAAjC;AACD;;AACDpoB,oBAAM,CAACioB,OAAD,CAAN,GAAkB;AAAEpP,yBAAS,EAAEA,SAAb;AAAwBvY,oBAAI,EAAEA;AAA9B,eAAlB;AACAN,oBAAM,CAACM,IAAD,CAAN,GAAe;AAAEuY,yBAAS,EAAEA,SAAb;AAAwB5U,kBAAE,EAAEgkB;AAA5B,eAAf;AACD;AACF;AACF;AACF;AACF,KA/BD;AAgCA,WAAOjoB,MAAP;AACD;AAED;;;;;;;;;;;;;;;;;;aAgBOqoB,W,GAAP,qBAAoBjC,QAApB,EAA8BkC,QAA9B,EAAwC;AACtC,QAAIC,KAAJ,EAAWC,SAAX,EAAsBxoB,MAAtB,CADsC,CAGtC;;AACAuoB,SAAK,GAAG1F,UAAU,CAAC0D,OAAX,CAAmB+B,QAAnB,EAA6B,CAAC,MAAD,EAAS,MAAT,CAA7B,CAAR,CAJsC,CAMtC;;AACAE,aAAS,GAAG,GAAGnP,MAAH,CAAUD,KAAV,CAAgB,EAAhB,EAAoBmP,KAAK,CAACE,GAAN,CAAU,UAAUzR,IAAV,EAAgB;AACxD,aAAO6L,UAAU,CAAC0D,OAAX,CAAmBvP,IAAnB,EAAyB,CAAC,MAAD,CAAzB,EAAmCyR,GAAnC,CAAuC,UAAU1R,IAAV,EAAgB;AAC5D,YAAI9S,EAAJ,EAAQykB,KAAR,EAAeC,QAAf,CAD4D,CAG5D;;AACA1kB,UAAE,GAAG4e,UAAU,CAAC8D,UAAX,CAAsB5P,IAAtB,EAA4B,CAA5B,CAAL,CAJ4D,CAK5D;;AACA2R,aAAK,GAAGtC,QAAQ,CAACniB,EAAD,CAAR,CAAa4U,SAAb,IAA0B,IAAlC,CAN4D,CAQ5D;;AACA8P,gBAAQ,GAAG9F,UAAU,CAAC0D,OAAX,CAAmBvP,IAAnB,EAAyB,CAAC,MAAD,CAAzB,EAAmCyR,GAAnC,CAAuC,UAAU3R,IAAV,EAAgB;AAChE,cAAIuQ,OAAJ,EAAarnB,MAAb;AAEAqnB,iBAAO,GAAGvQ,IAAI,CAAC3d,IAAL,CAAU2d,IAAI,CAACzJ,KAAf,CAAV;AACArN,gBAAM,GAAG6iB,UAAU,CAAC8D,UAAX,CAAsB7P,IAAtB,EAA4B,CAA5B,CAAT;;AACA,cAAIuQ,OAAO,KAAK,CAAhB,EAAmB;AACjBrnB,kBAAM,IAAI+G,IAAI,CAACiO,GAAL,CAAS,CAAT,EAAY,EAAZ,CAAV;AAEAhV,kBAAM,IAAI6iB,UAAU,CAAC8D,UAAX,CAAsB7P,IAAtB,EAA4B,CAA5B,CAAV;AACD;;AACD,iBAAO9W,MAAP;AACD,SAXU,EAWR,CAXQ,CAAX,CAT4D,CAqB5D;;AACA,eAAO2oB,QAAQ,GAAGD,KAAlB;AACD,OAvBM,CAAP;AAwBD,KAzB+B,CAApB,CAAZ,CAPsC,CAkCtC;;AACA1oB,UAAM,GAAG+G,IAAI,CAACC,GAAL,CAASoS,KAAT,CAAe,IAAf,EAAqBoP,SAArB,CAAT;AACA,WAAOI,QAAQ,CAAC5oB,MAAD,CAAR,GAAmBA,MAAnB,GAA4B,CAAnC;AACD,G;;aAEM6oB,c,GAAP,wBAAuBzC,QAAvB,EAAiCkC,QAAjC,EAA2C1jB,UAA3C,EAAuD;AACrDie,cAAU,CAAC0D,OAAX,CAAmB+B,QAAnB,EAA6B,CAAC,MAAD,EAAS,MAAT,CAA7B,EAA+CG,GAA/C,CAAmD,UAAUzR,IAAV,EAAgB;AACjE,aAAO6L,UAAU,CAAC0D,OAAX,CAAmBvP,IAAnB,EAAyB,CAAC,MAAD,CAAzB,EAAmCyR,GAAnC,CAAuC,UAAU1R,IAAV,EAAgB;AAC9D;AACE,YAAI9S,EAAE,GAAG4e,UAAU,CAAC8D,UAAX,CAAsB5P,IAAtB,EAA4B,CAA5B,CAAT,CAF4D,CAG5D;;AACA,YAAI8B,SAAS,GAAGuN,QAAQ,CAACniB,EAAD,CAAR,CAAa4U,SAAb,IAA0B,IAA1C,CAJ4D,CAM5D;;AACAgK,kBAAU,CAAC0D,OAAX,CAAmBvP,IAAnB,EAAyB,CAAC,MAAD,CAAzB,EAAmCyR,GAAnC,CAAuC,UAAU3R,IAAV,EAAgB;AACrD,cAAIuQ,OAAO,GAAGvQ,IAAI,CAAC3d,IAAL,CAAU2d,IAAI,CAACzJ,KAAf,CAAd;AACA,cAAI4L,mBAAmB,GAAG4J,UAAU,CAAC8D,UAAX,CAAsB7P,IAAtB,EAA4B,CAA5B,CAA1B;;AACA,cAAIuQ,OAAO,KAAK,CAAhB,EAAmB;AACjBxE,sBAAU,CAAC+D,WAAX,CAAuB9P,IAAvB,EAA6B,CAA7B,EAAgCmC,mBAAmB,GAAGrU,UAAU,GAAGiU,SAAnE;AACD,WAFD,MAEO;AACLI,+BAAmB,IAAIlS,IAAI,CAACiO,GAAL,CAAS,CAAT,EAAY,EAAZ,CAAvB;AACAiE,+BAAmB,IAAI4J,UAAU,CAAC8D,UAAX,CAAsB7P,IAAtB,EAA4B,CAA5B,CAAvB;AACAmC,+BAAmB,IAAIrU,UAAU,GAAGiU,SAApC;AACAI,+BAAmB,GAAGlS,IAAI,CAAC+U,GAAL,CAAS7C,mBAAT,EAA8B,CAA9B,CAAtB;AACA,gBAAM6P,KAAK,GAAG/hB,IAAI,CAACkE,KAAL,CAAWgO,mBAAmB,IAAIlE,UAAU,GAAG,CAAjB,CAA9B,CAAd;AACA,gBAAMgU,KAAK,GAAGhiB,IAAI,CAACkE,KAAL,CAAWgO,mBAAmB,IAAIlE,UAAU,GAAG,CAAjB,CAA9B,CAAd;AACA8N,sBAAU,CAAC+D,WAAX,CAAuB9P,IAAvB,EAA6B,CAA7B,EAAgCgS,KAAhC;AACAjG,sBAAU,CAAC+D,WAAX,CAAuB9P,IAAvB,EAA6B,CAA7B,EAAgCiS,KAAhC;AACD;AACF,SAfD;AAgBD,OAvBM,CAAP;AAwBD,KAzBD;AA0BD,G,CAED;;;SACApkB,M,GAAA,gBAAQxL,IAAR,EAAcyL,UAAd,EAA0BC,UAA1B,EAAsCC,kBAAtC,EAA0D;AACxD,QAAIshB,QAAQ,GAAG,KAAKA,QAApB;;AACA,QAAI,CAACA,QAAL,EAAe;AACb,WAAKziB,gBAAL,CAAsBxK,IAAtB,EAA4B,KAAK4H,UAAjC,EAA6C,KAAK8C,UAAlD,EAA8D,KAA9D;AACAuiB,cAAQ,GAAG,KAAKA,QAAhB;AACD;;AACD,QAAIxG,QAAJ;AAAA,QAAchD,OAAO,GAAG,KAAKA,OAA7B;;AACA,QAAIA,OAAO,KAAKpe,SAAhB,EAA2B;AACzB,UAAIohB,SAAQ,GAAGiD,UAAU,CAACwF,WAAX,CAAuBjC,QAAvB,EAAiCjtB,IAAjC,CAAf;;AACA,WAAKyjB,OAAL,GAAeA,OAAO,GAAGgD,SAAQ,GAAGhb,UAApC;AACA,WAAKhG,QAAL,CAAcuB,OAAd,CAAsBC,+CAAK,CAAC4c,cAA5B,EAA4C;AAAEJ,eAAO,EAAEA;AAAX,OAA5C;AACD;;AACDiG,cAAU,CAACgG,cAAX,CAA0BzC,QAA1B,EAAoCjtB,IAApC,EAA0CyjB,OAA1C;AACAgD,YAAQ,GAAGiD,UAAU,CAACwF,WAAX,CAAuBjC,QAAvB,EAAiCjtB,IAAjC,CAAX;AACA,SAAKuK,OAAL,CAAayB,KAAb,CAAmBihB,QAAQ,CAACva,KAA5B,EAAmCua,QAAQ,CAACxa,KAA5C,EAAmD,IAAnD,EAAyD,IAAzD,EAA+DgU,QAA/D,EAAyE/a,UAAzE,EAAqFC,kBAArF,EAAyG3L,IAAzG;AACD,G;;SAEDoF,O,GAAA,mBAAW,CAAE,C;;;;;AAGAskB,yEAAf,E;;;;;;;;;;;;AC9YA;AAAA;AAAA;AAAO,IAAKtiB,UAAZ;AAaA;;;;;WAbYA,U;AAAAA,Y;AAAAA,Y;AAAAA,Y;AAAAA,Y;AAAAA,Y;GAAAA,U,KAAAA,U;;AAiBL,IAAKG,YAAZ;;WAAYA,Y;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;GAAAA,Y,KAAAA,Y;;;;;;;;;;;;;;;ACjBZ;;;;AAIA,IAAMsoB,SAAS;AACb;AACAC,iBAAe,EAAE,mBAFJ;AAGb;AACAC,gBAAc,EAAE,kBAJH;AAKb;AACAC,iBAAe,EAAE,mBANJ;AAOb;AACAC,gBAAc,EAAE,kBARH;AASb;AACAC,cAAY,EAAE,gBAVD;AAWb;AACAC,eAAa,EAAE,iBAZF;AAab;AACAC,gBAAc,EAAE,kBAdH;AAeb;AACAC,kBAAgB,EAAE,oBAhBL;AAiBb;AACAC,iBAAe,EAAE,mBAlBJ;AAmBb;AACAC,YAAU,EAAE,cApBC;AAqBb;AACAC,iBAAe,EAAE,mBAtBJ;AAuBb;AACAC,gBAAc,EAAE,kBAxBH;AAyBb;AACAC,kBAAgB,EAAE,oBA1BL;AA2Bb;AACAC,iBAAe,EAAE,mBA5BJ;AA6Bb;AACAC,iBAAe,EAAE,mBA9BJ;AA+Bb;AACAC,iBAAe,EAAE,mBAhCJ;AAiCb;AACAC,gBAAc,EAAE,kBAlCH;AAmCb;AACAC,eAAa,EAAE,iBApCF;AAqCb;AACAC,cAAY,EAAE,gBAtCD;AAuCb;AACAC,eAAa,EAAE,iBAxCF;AAyCb;AACAC,mBAAiB,EAAE,oBA1CN;AA2Cb;AACAC,0BAAwB,EAAE,0BA5Cb;AA6Cb;AACAC,sBAAoB,EAAE,uBA9CT;AA+Cb;AACAC,uBAAqB,EAAE,wBAhDV;AAiDb;AACAC,sBAAoB,EAAE,uBAlDT;AAmDb;AACAC,qBAAmB,EAAE,sBApDR;AAqDb;AACAC,oBAAkB,EAAE,qBAtDP;AAuDb;AACAC,yBAAuB,EAAE,0BAxDZ;AAyDb;AACAC,uBAAqB,EAAE,wBA1DV;AA2Db;AACAC,wBAAsB,EAAE,yBA5DX;AA6Db;AACAC,uBAAqB,EAAE,wBA9DV;AA+Db;AACAC,yBAAuB,EAAE,0BAhEZ;AAiEb;AACAhO,gBAAc,EAAE,iBAlEH;AAmEb;AACAiO,cAAY,EAAE,gBApED;AAqEb;AACAC,oBAAkB,EAAE,qBAtEP;AAuEb;AACAC,6BAA2B,EAAE,6BAxEhB;AAyEb;AACAC,aAAW,EAAE,eA1EA;AA2Eb;AACA9I,gBAAc,EAAE,kBA5EH;AA6Eb;AACAnF,2BAAyB,EAAE,2BA9Ed;AA+Eb;AACAoE,uBAAqB,EAAE,wBAhFV;AAiFb;AACAD,uBAAqB,EAAE,wBAlFV;AAmFb;AACArB,mBAAiB,EAAE,oBApFN;AAqFb;AACAzD,aAAW,EAAE,eAtFA;AAuFb;AACA6O,eAAa,EAAE,iBAxFF;AAyFb;AACAC,cAAY,EAAE,gBA1FD;AA2Fb;AACAC,UAAQ,EAAE,YA5FG;AA6Fb;AACAC,wBAAsB,EAAE,wBA9FX;AA+Fb;AACAnrB,OAAK,EAAE,UAhGM;AAiGb;AACAorB,YAAU,EAAE,eAlGC;AAmGb;AACAC,aAAW,EAAE,eApGA;AAqGb;AACAC,YAAU,EAAE,cAtGC;AAuGb;AACAC,yBAAuB,EAAE;AAxGZ,4CA0Ga,0BA1Gb,aA4GbC,mBA5Ga,GA4GQ,qBA5GR,aAAf;AA+Ge7C,wEAAf,E;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;ACnHA;;;;;AAMA;AACA;AACA;AAGA,IAAM8C,qBAAqB,GAAG;AAC5B,qBAAmB,IADS;AAE5B,0BAAwB,IAFI;AAG5B,yBAAuB;AAHK,CAA9B;;IAMMC,0B;;;AAKJ,wBAAaC,GAAb,EAAyC;AAAA,SAJzCA,GAIyC;AAAA,SAHzCC,aAGyC;AAAA,SAFzCC,iBAEyC;AACvC,SAAKF,GAAL,GAAWA,GAAX;AACA,SAAKG,OAAL,GAAe,KAAKA,OAAL,CAAa7iB,IAAb,CAAkB,IAAlB,CAAf;;AAFuC,sCAAf8iB,MAAe;AAAfA,YAAe;AAAA;;AAGvC,SAAKH,aAAL,GAAqBG,MAArB;AACA,SAAKF,iBAAL,GAAyB,IAAzB;AAEA,SAAKG,iBAAL;AACD;;;;SAED9tB,O,GAAA,mBAAW;AACT,SAAK+tB,mBAAL;AACA,SAAKC,mBAAL;AACA,SAAKC,kBAAL;AACD,G;;SAESF,mB,GAAV,+BAAiC,CAAE,C;;SACzBE,kB,GAAV,8BAAgC,CAAE,C;;SAElCC,c,GAAA,0BAAkB;AAChB,WAAO,OAAO,KAAKR,aAAZ,KAA8B,QAA9B,IAA0C,KAAKA,aAAL,CAAmB/vB,MAA7D,IAAuE,OAAO,KAAKiwB,OAAZ,KAAwB,UAAtG;AACD,G;;SAEDE,iB,GAAA,6BAAqB;AACnB,QAAI,KAAKI,cAAL,EAAJ,EAA2B;AACzB,WAAKR,aAAL,CAAmBta,OAAnB,CAA2B,UAAUuR,KAAV,EAAiB;AAC1C,YAAI4I,qBAAqB,CAAC5I,KAAD,CAAzB,EAAkC;AAChC,gBAAM,IAAI9mB,KAAJ,CAAU,2BAA2B8mB,KAArC,CAAN;AACD;;AAED,aAAK8I,GAAL,CAASlI,EAAT,CAAYZ,KAAZ,EAAmB,KAAKiJ,OAAxB;AACD,OAND,EAMG,IANH;AAOD;AACF,G;;SAEDI,mB,GAAA,+BAAuB;AACrB,QAAI,KAAKE,cAAL,EAAJ,EAA2B;AACzB,WAAKR,aAAL,CAAmBta,OAAnB,CAA2B,UAAUuR,KAAV,EAAiB;AAC1C,aAAK8I,GAAL,CAAS5I,GAAT,CAAaF,KAAb,EAAoB,KAAKiJ,OAAzB;AACD,OAFD,EAEG,IAFH;AAGD;AACF;AAED;;;;;SAGAA,O,GAAA,iBAASjJ,KAAT,EAAwB/pB,IAAxB,EAAmC;AACjC,SAAKuzB,cAAL,CAAoBxJ,KAApB,EAA2B/pB,IAA3B;AACD,G;;SAEDuzB,c,GAAA,wBAAgBxJ,KAAhB,EAA+B/pB,IAA/B,EAA0C;AACxC,QAAIwzB,eAAe,GAAG,SAAlBA,eAAkB,CAAUzJ,KAAV,EAAyB/pB,IAAzB,EAAoC;AACxD,UAAIyzB,QAAQ,GAAG,OAAO1J,KAAK,CAAC4C,OAAN,CAAc,KAAd,EAAqB,EAArB,CAAtB;;AACA,UAAI,OAAO,KAAK8G,QAAL,CAAP,KAA0B,UAA9B,EAA0C;AACxC,cAAM,IAAIxwB,KAAJ,YAAmB8mB,KAAnB,wCAA2D,KAAK2J,WAAL,CAAiBxzB,IAA5E,sBAAiGuzB,QAAjG,OAAN;AACD;;AAED,aAAO,KAAKA,QAAL,EAAetjB,IAAf,CAAoB,IAApB,EAA0BnQ,IAA1B,CAAP;AACD,KAPD;;AAQA,QAAI;AACFwzB,qBAAe,CAAChU,IAAhB,CAAqB,IAArB,EAA2BuK,KAA3B,EAAkC/pB,IAAlC,EAAwCwf,IAAxC;AACD,KAFD,CAEE,OAAO7Y,GAAP,EAAY;AACZP,sBAAM,CAACU,KAAP,sDAAgEijB,KAAhE,2BAA0FpjB,GAAG,CAACI,OAA9F,gCAAiIJ,GAAjI;AACA,WAAKksB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,YAAI,EAAEC,oBAAU,CAACusB,WAAnB;AAAgCrsB,eAAO,EAAEC,sBAAY,CAACqsB,kBAAtD;AAA0EnsB,aAAK,EAAE,KAAjF;AAAwFsiB,aAAK,EAAEA,KAA/F;AAAsGpjB,WAAG,EAAEA;AAA3G,OAA9B;AACD;AACF,G;;;;;AAGYisB,4EAAf,E;;ACSA;;;;;AAKO,IAAKiB,mBAAZ;AAOA;;;;WAPYA,mB;AAAAA,qB;AAAAA,qB;AAAAA,qB;AAAAA,qB;GAAAA,mB,KAAAA,mB;;AAUL,IAAKC,iBAAZ;;WAAYA,iB;AAAAA,mB;AAAAA,mB;AAAAA,mB;GAAAA,iB,KAAAA,iB;;;;;;;;;ACjHZ;;IAEqBC,kB;;;AASnB,oBAAaC,OAAb,EAA8BC,WAA9B,EAAmD;AAAA,SAR3CC,IAQ2C,GARrB,IAQqB;AAAA,SAN5CC,OAM4C;AAAA,SAL5CC,MAK4C;AAAA,SAJ5CnhB,MAI4C,GAJpB,IAIoB;AAAA,SAH5ChT,GAG4C,GAHnB,IAGmB;AAAA,SAF5CJ,EAE4C,GAFpB,IAEoB;AACjD,SAAKs0B,OAAL,GAAeH,OAAf;AACA,SAAKI,MAAL,GAAcH,WAAd;AACD;;;;wBAEU;AACT,UAAI,CAAC,KAAKC,IAAN,IAAc,KAAKE,MAAvB,EAA+B;AAC7B,aAAKF,IAAL,GAAYG,uCAAgB,CAAC,KAAKF,OAAN,EAAe,KAAKC,MAApB,EAA4B;AAAEE,yBAAe,EAAE;AAAnB,SAA5B,CAA5B;AACD;;AAED,aAAO,KAAKJ,IAAZ;AACD;;;;;;;;;;;;;;;ACrBH;AACA;AACA;AAGO,IAAKK,qBAAZ;;WAAYA,qB;AAAAA,uB;AAAAA,uB;GAAAA,qB,KAAAA,qB;;IAKSC,iB;;;;;;SACXC,I,GAAsB,I;SACtBC,U,GAA8B,I;SAC9BC,Y,GAAgC,I;SAGhCC,kB,sDACLL,qBAAqB,CAACM,K,IAAQ,K,wBAC9BN,qBAAqB,CAACO,K,IAAQ,K;SAI1BC,Q,GAAmB,C;SAEnBC,kB,GAAoC,I;SACpCC,e,GAAiC,I;SACjCC,K,GAAuB,I;SACvBC,O,GAA2B,E;SAS3BC,E;SAEAjuB,I;SAEAkuB,M;SAEAC,O;SAEA3qB,Q;SAEAuJ,K;SAEA2L,E,GAA6B,C;SAE7B0V,K,GAAgB,C;SAEhBC,K,GAAgB,C;SAIhBC,Q;SAGAC,M;;;;;AAEP;SACAC,Y,GAAA,sBAAclb,KAAd,EAA6Bmb,YAA7B,EAAsD;AACpD,QAAMC,MAAM,GAAGpb,KAAK,CAACqb,KAAN,CAAY,GAAZ,EAAiB,CAAjB,CAAf;AACA,QAAMC,SAAmB,GAAG,EAA5B;;AACA,QAAIF,MAAM,CAAC9yB,MAAP,KAAkB,CAAtB,EAAyB;AACvBgzB,eAAS,CAAC,CAAD,CAAT,GAAeH,YAAY,GAAGA,YAAY,CAACI,kBAAhB,GAAqC,CAAhE;AACD,KAFD,MAEO;AACLD,eAAS,CAAC,CAAD,CAAT,GAAe5oB,QAAQ,CAAC0oB,MAAM,CAAC,CAAD,CAAP,CAAvB;AACD;;AACDE,aAAS,CAAC,CAAD,CAAT,GAAe5oB,QAAQ,CAAC0oB,MAAM,CAAC,CAAD,CAAP,CAAR,GAAsBE,SAAS,CAAC,CAAD,CAA9C;AACA,SAAKrB,UAAL,GAAkBqB,SAAlB;AACD,G;;AAiFD;;;SAGAE,mB,GAAA,6BAAqB9uB,IAArB,EAAkD;AAChD,SAAKytB,kBAAL,CAAwBztB,IAAxB,IAAgC,IAAhC;AACD;AAED;;;;;SAGA+uB,mB,GAAA,6BAAqB/uB,IAArB,EAAkD;AAChD,WAAO,KAAKytB,kBAAL,CAAwBztB,IAAxB,MAAkC,IAAzC;AACD;AAED;;;;;;;SAKAgvB,0B,GAAA,oCAA4BC,aAA5B,EAA+D;AAC7D,QAAIC,SAAS,GAAG,IAAI3oB,UAAJ,CAAe,EAAf,CAAhB;;AAEA,SAAK,IAAIhM,CAAC,GAAG,EAAb,EAAiBA,CAAC,GAAG,EAArB,EAAyBA,CAAC,EAA1B,EAA8B;AAC5B20B,eAAS,CAAC30B,CAAD,CAAT,GAAgB00B,aAAa,IAAI,KAAK,KAAK10B,CAAV,CAAlB,GAAkC,IAAjD;AACD;;AAED,WAAO20B,SAAP;AACD;AAED;;;;;;;;SAMAC,0B,GAAA,oCAA4Bb,QAA5B,EAAgDW,aAAhD,EAAiF;AAC/E,QAAIvlB,WAAW,GAAG4kB,QAAlB;;AAEA,QAAIA,QAAQ,IAAIA,QAAQ,CAACxiB,MAArB,IAA+BwiB,QAAQ,CAACc,GAAxC,IAA+C,CAACd,QAAQ,CAAC51B,EAA7D,EAAiE;AAC/DgR,iBAAW,GAAG,IAAIkjB,kBAAJ,CAAa0B,QAAQ,CAACtB,OAAtB,EAA+BsB,QAAQ,CAACrB,MAAxC,CAAd;AACAvjB,iBAAW,CAACoC,MAAZ,GAAqBwiB,QAAQ,CAACxiB,MAA9B;AACApC,iBAAW,CAAChR,EAAZ,GAAiB,KAAKs2B,0BAAL,CAAgCC,aAAhC,CAAjB;AACD;;AAED,WAAOvlB,WAAP;AACD,G;;;;wBA5HU;AACT,UAAI,CAAC,KAAK4jB,IAAN,IAAc,KAAKY,MAAvB,EAA+B;AAC7B,aAAKZ,IAAL,GAAYJ,uCAAgB,CAAC,KAAKiB,OAAN,EAAe,KAAKD,MAApB,EAA4B;AAAEf,yBAAe,EAAE;AAAnB,SAA5B,CAA5B;AACD;;AAED,aAAO,KAAKG,IAAZ;AACD,K;sBAEQha,K,EAAO;AACd,WAAKga,IAAL,GAAYha,KAAZ;AACD;;;wBAE0B;AACzB,UAAI,CAAC,KAAKia,UAAV,EAAsB;AACpB,eAAO,EAAP;AACD;;AAED,aAAO,KAAKA,UAAZ;AACD;AAED;;;;;;wBAG4B;AAC1B,aAAO,KAAKqB,SAAL,CAAe,CAAf,CAAP;AACD;;;wBAEyB;AACxB,aAAO,KAAKA,SAAL,CAAe,CAAf,CAAP;AACD;;;wBAEmC;AAClC,UAAI,CAAC,KAAKN,QAAN,IAAkB,CAAC,KAAKd,YAA5B,EAA0C;AACxC,eAAO,IAAP;AACD;;AAED,UAAI,CAAC,KAAKA,YAAN,IAAsB,KAAKc,QAA/B,EAAyC;AACvC,YAAI5V,EAAE,GAAG,KAAKA,EAAd;;AACA,YAAI,OAAOA,EAAP,KAAc,QAAlB,EAA4B;AAC1B;AACA;AACA;AACA,cAAI,KAAK4V,QAAL,IAAiB,KAAKA,QAAL,CAAcxiB,MAAd,KAAyB,SAA1C,IAAuD,CAAC,KAAKwiB,QAAL,CAAc51B,EAA1E,EAA8E;AAC5EuG,4BAAM,CAACgN,IAAP,0DAAkE,KAAKqiB,QAAL,CAAcxiB,MAAhF;AACD;AAED;;;;;;;;;AAOA4M,YAAE,GAAG,CAAL;AACD;;AACD,aAAK8U,YAAL,GAAoB,KAAK2B,0BAAL,CAAgC,KAAKb,QAArC,EAA+C5V,EAA/C,CAApB;AACD;;AAED,aAAO,KAAK8U,YAAZ;AACD;;;wBAEyB;AACxB,UAAI,KAAKM,eAAL,KAAyB,IAA7B,EAAmC;AACjC,eAAO,IAAP;AACD;;AAED,UAAI,CAAC,0CAAgB,KAAKA,eAArB,CAAL,EAA4C;AAC1C,eAAO,IAAP;AACD;;AAED,UAAItqB,QAAQ,GAAG,CAAC,0CAAgB,KAAKA,QAArB,CAAD,GAAkC,CAAlC,GAAsC,KAAKA,QAA1D;AAEA,aAAO,KAAKsqB,eAAL,GAAwBtqB,QAAQ,GAAG,IAA1C;AACD;;;wBAEgB;AACf,aAAO,CAAC,EAAG,KAAKkG,WAAL,IAAoB,KAAKA,WAAL,CAAiB0lB,GAAjB,KAAyB,IAA9C,IAAwD,KAAK1lB,WAAL,CAAiB5Q,GAAjB,KAAyB,IAAnF,CAAR;AACD;;;;;;;;;;;;;;ICxJkBu2B,W;;;AACnB,iBAAaC,OAAb,EAAsB;AACpB;AACA,SAAKC,KAAL,GAAa,CAAb;AACA,SAAKC,KAAL,GAAa,CAAb;AACA,SAAKC,SAAL,GAAiB,EAAjB;AACA,SAAKnsB,WAAL,GAAmB,IAAnB;AACA,SAAKosB,IAAL,GAAY,IAAZ;AACA,SAAKC,cAAL,GAAsB,KAAtB;AACA,SAAKC,OAAL,GAAe,CAAf;AACA,SAAKC,OAAL,GAAe,CAAf;AACA,SAAKC,eAAL,GAAuB,IAAvB;AACA,SAAKC,cAAL,GAAsB,CAAtB;AACA,SAAKC,aAAL,GAAqB,CAArB;AACA,SAAKhwB,IAAL,GAAY,IAAZ;AACA,SAAKglB,GAAL,GAAWsK,OAAX;AACA,SAAKvI,OAAL,GAAe,IAAf;AACD;;;;wBAEyB;AACxB,aAAO,CAAC,EAAE,KAAK0I,SAAL,CAAe,CAAf,KAAqB,0CAAgB,KAAKA,SAAL,CAAe,CAAf,EAAkB3B,eAAlC,CAAvB,CAAR;AACD;;;;;;;;ACrBH,IAAMmC,wBAAwB,GAAG,eAAjC,C,CAAkD;;AAClD,IAAMC,eAAe,GAAG,uCAAxB,C,CAAiE;AAEjE;;IACMC,Q;;;AACJ,oBAAaC,KAAb,EAAoB;AAClB,QAAI,OAAOA,KAAP,KAAiB,QAArB,EAA+B;AAC7BA,WAAK,GAAGD,QAAQ,CAACE,aAAT,CAAuBD,KAAvB,CAAR;AACD;;AAED,SAAK,IAAIE,IAAT,IAAiBF,KAAjB,EAAwB;AACtB,UAAIA,KAAK,CAACnZ,cAAN,CAAqBqZ,IAArB,CAAJ,EAAgC;AAC9B,aAAKA,IAAL,IAAaF,KAAK,CAACE,IAAD,CAAlB;AACD;AACF;AACF;;;;SAEDC,c,GAAA,wBAAgBC,QAAhB,EAA0B;AACxB,QAAMC,QAAQ,GAAGzqB,QAAQ,CAAC,KAAKwqB,QAAL,CAAD,EAAiB,EAAjB,CAAzB;;AACA,QAAIC,QAAQ,GAAGC,MAAM,CAACC,gBAAtB,EAAwC;AACtC,aAAOnU,QAAP;AACD;;AAED,WAAOiU,QAAP;AACD,G;;SAEDG,kB,GAAA,4BAAoBJ,QAApB,EAA8B;AAC5B,QAAI,KAAKA,QAAL,CAAJ,EAAoB;AAClB,UAAIK,WAAW,GAAG,CAAC,KAAKL,QAAL,KAAkB,IAAnB,EAAyB92B,KAAzB,CAA+B,CAA/B,CAAlB;AACAm3B,iBAAW,GAAG,CAAEA,WAAW,CAACj1B,MAAZ,GAAqB,CAAtB,GAA2B,GAA3B,GAAiC,EAAlC,IAAwCi1B,WAAtD;AAEA,UAAMvd,KAAK,GAAG,IAAI/M,UAAJ,CAAesqB,WAAW,CAACj1B,MAAZ,GAAqB,CAApC,CAAd;;AACA,WAAK,IAAIrB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGs2B,WAAW,CAACj1B,MAAZ,GAAqB,CAAzC,EAA4CrB,CAAC,EAA7C,EAAiD;AAC/C+Y,aAAK,CAAC/Y,CAAD,CAAL,GAAWyL,QAAQ,CAAC6qB,WAAW,CAACn3B,KAAZ,CAAkBa,CAAC,GAAG,CAAtB,EAAyBA,CAAC,GAAG,CAAJ,GAAQ,CAAjC,CAAD,EAAsC,EAAtC,CAAnB;AACD;;AAED,aAAO+Y,KAAP;AACD,KAVD,MAUO;AACL,aAAO,IAAP;AACD;AACF,G;;SAEDwd,0B,GAAA,oCAA4BN,QAA5B,EAAsC;AACpC,QAAMC,QAAQ,GAAGzqB,QAAQ,CAAC,KAAKwqB,QAAL,CAAD,EAAiB,EAAjB,CAAzB;;AACA,QAAIC,QAAQ,GAAGC,MAAM,CAACC,gBAAtB,EAAwC;AACtC,aAAOnU,QAAP;AACD;;AAED,WAAOiU,QAAP;AACD,G;;SAEDM,oB,GAAA,8BAAsBP,QAAtB,EAAgC;AAC9B,WAAOQ,UAAU,CAAC,KAAKR,QAAL,CAAD,CAAjB;AACD,G;;SAEDS,gB,GAAA,0BAAkBT,QAAlB,EAA4B;AAC1B,WAAO,KAAKA,QAAL,CAAP;AACD,G;;SAEDU,iB,GAAA,2BAAmBV,QAAnB,EAA6B;AAC3B,QAAMW,GAAG,GAAGlB,wBAAwB,CAACmB,IAAzB,CAA8B,KAAKZ,QAAL,CAA9B,CAAZ;;AACA,QAAIW,GAAG,KAAK,IAAZ,EAAkB;AAChB,aAAOjzB,SAAP;AACD;;AAED,WAAO;AACLmL,WAAK,EAAErD,QAAQ,CAACmrB,GAAG,CAAC,CAAD,CAAJ,EAAS,EAAT,CADV;AAEL5nB,YAAM,EAAEvD,QAAQ,CAACmrB,GAAG,CAAC,CAAD,CAAJ,EAAS,EAAT;AAFX,KAAP;AAID,G;;WAEMd,a,GAAP,uBAAsBgB,KAAtB,EAA6B;AAC3B,QAAItW,KAAJ;AAAA,QAAWqV,KAAK,GAAG,EAAnB;AACAF,mBAAe,CAACoB,SAAhB,GAA4B,CAA5B;;AACA,WAAO,CAACvW,KAAK,GAAGmV,eAAe,CAACkB,IAAhB,CAAqBC,KAArB,CAAT,MAA0C,IAAjD,EAAuD;AACrD,UAAI/d,KAAK,GAAGyH,KAAK,CAAC,CAAD,CAAjB;AAAA,UAAsBwW,KAAK,GAAG,GAA9B;;AAEA,UAAIje,KAAK,CAAChS,OAAN,CAAciwB,KAAd,MAAyB,CAAzB,IACAje,KAAK,CAACke,WAAN,CAAkBD,KAAlB,MAA8Bje,KAAK,CAAC1X,MAAN,GAAe,CADjD,EACqD;AACnD0X,aAAK,GAAGA,KAAK,CAAC5Z,KAAN,CAAY,CAAZ,EAAe,CAAC,CAAhB,CAAR;AACD;;AAED02B,WAAK,CAACrV,KAAK,CAAC,CAAD,CAAN,CAAL,GAAkBzH,KAAlB;AACD;;AACD,WAAO8c,KAAP;AACD,G;;;;;AAGYD,sDAAf,E;;ACxFA;AACA,IAAMsB,mBAAmB,GAAG;AAC1BlmB,OAAK,EAAE;AACL,YAAQ,IADH;AAEL,YAAQ,IAFH;AAGL,YAAQ,IAHH;AAIL,YAAQ,IAJH;AAKL,YAAQ,IALH;AAML,YAAQ,IANH;AAOL,YAAQ,IAPH;AAQL,YAAQ,IARH;AASL,YAAQ,IATH;AAUL,YAAQ,IAVH;AAWL,YAAQ,IAXH;AAYL,YAAQ,IAZH;AAaL,YAAQ,IAbH;AAcL,YAAQ,IAdH;AAeL,YAAQ,IAfH;AAgBL,YAAQ,IAhBH;AAiBL,YAAQ,IAjBH;AAkBL,YAAQ,IAlBH;AAmBL,YAAQ,IAnBH;AAoBL,YAAQ,IApBH;AAqBL,YAAQ,IArBH;AAsBL,YAAQ,IAtBH;AAuBL,YAAQ,IAvBH;AAwBL,YAAQ,IAxBH;AAyBL,YAAQ,IAzBH;AA0BL,YAAQ,IA1BH;AA2BL,YAAQ,IA3BH;AA4BL,YAAQ,IA5BH;AA6BL,YAAQ,IA7BH;AA8BL,YAAQ,IA9BH;AA+BL,YAAQ,IA/BH;AAgCL,YAAQ;AAhCH,GADmB;AAmC1BD,OAAK,EAAE;AACL,YAAQ,IADH;AAEL,YAAQ,IAFH;AAGL,YAAQ,IAHH;AAIL,YAAQ,IAJH;AAKL,YAAQ,IALH;AAML,YAAQ,IANH;AAOL,YAAQ,IAPH;AAQL,YAAQ,IARH;AASL,YAAQ,IATH;AAUL,YAAQ,IAVH;AAWL,YAAQ,IAXH;AAYL,YAAQ,IAZH;AAaL,YAAQ,IAbH;AAcL,YAAQ,IAdH;AAeL,YAAQ,IAfH;AAgBL,YAAQ,IAhBH;AAiBL,YAAQ,IAjBH;AAkBL,YAAQ,IAlBH;AAmBL,YAAQ,IAnBH;AAoBL,YAAQ,IApBH;AAqBL,YAAQ,IArBH;AAsBL,YAAQ,IAtBH;AAuBL,YAAQ,IAvBH;AAwBL,YAAQ,IAxBH;AAyBL,YAAQ;AAzBH;AAnCmB,CAA5B;;AAkEA,SAASomB,WAAT,CAAsBjwB,KAAtB,EAAqCzB,IAArC,EAA+D;AAC7D,MAAM2xB,SAAS,GAAGF,mBAAmB,CAACzxB,IAAD,CAArC;AACA,SAAO,CAAC,CAAC2xB,SAAF,IAAeA,SAAS,CAAClwB,KAAK,CAAC/H,KAAN,CAAY,CAAZ,EAAe,CAAf,CAAD,CAAT,KAAiC,IAAvD;AACD;;AAED,SAASk4B,qBAAT,CAAgCnwB,KAAhC,EAA+CzB,IAA/C,EAAyE;AACvE,SAAO6xB,WAAW,CAACC,eAAZ,EAA+B9xB,IAAI,IAAI,OAAvC,uBAA8DyB,KAA9D,QAAP;AACD;;;;;;;AC1ED;AAEA;AACA;AACA;AAEA;AACA;AACA;;AAIA;;;;AAKA;AACA,IAAMswB,qBAAqB,GAAG,gDAA9B;AACA,IAAMC,2BAA2B,GAAG,oBAApC;AAEA,IAAMC,yBAAyB,GAAG,IAAIC,MAAJ,CAAW,CAC3C,0CAA0CC,MADC,EACO;AAClD,mBAAmBA,MAFwB,EAEhB;AAC3B,0BAA0BA,MAHiB,EAGT;AAClC,iCAAiCA,MAJU,EAIF;AACzC,OAAOA,MALoC,CAK7B;AAL6B,EAM3C1f,IAN2C,CAMtC,EANsC,CAAX,EAMtB,GANsB,CAAlC;AAQA,IAAM2f,yBAAyB,GAAG,gWAAlC;AAEA,IAAMC,gBAAgB,GAAG,uBAAzB;;IAEqBC,sB;;;;;aACZC,S,GAAP,mBAAkBC,MAAlB,EAA6CC,YAA7C,EAA2F;AACzF,SAAK,IAAIl4B,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGi4B,MAAM,CAAC52B,MAA3B,EAAmCrB,CAAC,EAApC,EAAwC;AACtC,UAAMm4B,KAAK,GAAGF,MAAM,CAACj4B,CAAD,CAApB;;AACA,UAAIm4B,KAAK,CAAC/uB,EAAN,KAAa8uB,YAAjB,EAA+B;AAC7B,eAAOC,KAAP;AACD;AACF;AACF,G;;aAEMC,mB,GAAP,6BAA4BlxB,KAA5B,EAAmC;AACjC,QAAImxB,OAAO,GAAGnxB,KAAK,CAACktB,KAAN,CAAY,GAAZ,CAAd;AACA,QAAIjvB,MAAJ;;AACA,QAAIkzB,OAAO,CAACh3B,MAAR,GAAiB,CAArB,EAAwB;AACtB8D,YAAM,GAAGkzB,OAAO,CAAC1e,KAAR,KAAkB,GAA3B;AACAxU,YAAM,IAAIsG,QAAQ,CAAC4sB,OAAO,CAAC1e,KAAR,EAAD,CAAR,CAA0B5B,QAA1B,CAAmC,EAAnC,CAAV;AACA5S,YAAM,IAAI,CAAC,QAAQsG,QAAQ,CAAC4sB,OAAO,CAAC1e,KAAR,EAAD,CAAR,CAA0B5B,QAA1B,CAAmC,EAAnC,CAAT,EAAiDugB,MAAjD,CAAwD,CAAC,CAAzD,CAAV;AACD,KAJD,MAIO;AACLnzB,YAAM,GAAG+B,KAAT;AACD;;AACD,WAAO/B,MAAP;AACD,G;;aAEMozB,O,GAAP,iBAAgB9N,GAAhB,EAAqBsK,OAArB,EAA8B;AAC5B,WAAOyD,+BAAA,CAA4BzD,OAA5B,EAAqCtK,GAArC,EAA0C;AAAEmI,qBAAe,EAAE;AAAnB,KAA1C,CAAP;AACD,G;;aAEM6F,mB,GAAP,6BAA4BC,MAA5B,EAA4C9E,OAA5C,EAA6D;AAC3D;AACA,QAAI+E,MAAkB,GAAG,EAAzB;AACAnB,yBAAqB,CAACT,SAAtB,GAAkC,CAAlC,CAH2D,CAK3D;;AACA,aAAS6B,SAAT,CAAoBC,MAApB,EAA2C/E,KAA3C,EAAuD;AACrD,OAAC,OAAD,EAAU,OAAV,EAAmBhd,OAAnB,CAA2B,UAACrR,IAAD,EAAqB;AAC9C,YAAMqzB,QAAQ,GAAGD,MAAM,CAAClT,MAAP,CAAc,UAACze,KAAD;AAAA,iBAAWiwB,WAAW,CAACjwB,KAAD,EAAQzB,IAAR,CAAtB;AAAA,SAAd,CAAjB;;AACA,YAAIqzB,QAAQ,CAACz3B,MAAb,EAAqB;AACnB,cAAM03B,SAAS,GAAGD,QAAQ,CAACnT,MAAT,CAAgB,UAACze,KAAD,EAAW;AAC3C,mBAAOA,KAAK,CAAC+vB,WAAN,CAAkB,MAAlB,EAA0B,CAA1B,MAAiC,CAAjC,IAAsC/vB,KAAK,CAAC+vB,WAAN,CAAkB,MAAlB,EAA0B,CAA1B,MAAiC,CAA9E;AACD,WAFiB,CAAlB;AAGAnD,eAAK,CAAIruB,IAAJ,WAAL,GAAwBszB,SAAS,CAAC13B,MAAV,GAAmB,CAAnB,GAAuB03B,SAAS,CAAC,CAAD,CAAhC,GAAsCD,QAAQ,CAAC,CAAD,CAAtE,CAJmB,CAMnB;;AACAD,gBAAM,GAAGA,MAAM,CAAClT,MAAP,CAAc,UAACze,KAAD;AAAA,mBAAW4xB,QAAQ,CAAC/xB,OAAT,CAAiBG,KAAjB,MAA4B,CAAC,CAAxC;AAAA,WAAd,CAAT;AACD;AACF,OAXD;AAaA4sB,WAAK,CAACkF,aAAN,GAAsBH,MAAtB;AACD;;AAED,QAAI1zB,MAAJ;;AACA,WAAO,CAACA,MAAM,GAAGqyB,qBAAqB,CAACX,IAAtB,CAA2B6B,MAA3B,CAAV,KAAiD,IAAxD,EAA8D;AAC5D;AACA,UAAM5E,KAAU,GAAG,EAAnB;AAEA,UAAM+B,KAAK,GAAG/B,KAAK,CAAC+B,KAAN,GAAc,IAAID,SAAJ,CAAazwB,MAAM,CAAC,CAAD,CAAnB,CAA5B;AACA2uB,WAAK,CAACrJ,GAAN,GAAYsN,UAAU,CAACQ,OAAX,CAAmBpzB,MAAM,CAAC,CAAD,CAAzB,EAA8ByuB,OAA9B,CAAZ;AAEA,UAAMqF,UAAU,GAAGpD,KAAK,CAACc,iBAAN,CAAwB,YAAxB,CAAnB;;AACA,UAAIsC,UAAJ,EAAgB;AACdnF,aAAK,CAAChlB,KAAN,GAAcmqB,UAAU,CAACnqB,KAAzB;AACAglB,aAAK,CAAC9kB,MAAN,GAAeiqB,UAAU,CAACjqB,MAA1B;AACD;;AACD8kB,WAAK,CAACoF,OAAN,GAAgBrD,KAAK,CAACG,cAAN,CAAqB,mBAArB,KAA6CH,KAAK,CAACG,cAAN,CAAqB,WAArB,CAA7D;AACAlC,WAAK,CAACt1B,IAAN,GAAaq3B,KAAK,CAACsD,IAAnB;AAEAP,eAAS,CAAC,GAAGpa,MAAH,CAAU,CAACqX,KAAK,CAACuD,MAAN,IAAgB,EAAjB,EAAqBhF,KAArB,CAA2B,OAA3B,CAAV,CAAD,EAAiDN,KAAjD,CAAT;;AAEA,UAAIA,KAAK,CAAC9qB,UAAN,IAAoB8qB,KAAK,CAAC9qB,UAAN,CAAiBjC,OAAjB,CAAyB,MAAzB,MAAqC,CAAC,CAA9D,EAAiE;AAC/D+sB,aAAK,CAAC9qB,UAAN,GAAmB+uB,UAAU,CAACK,mBAAX,CAA+BtE,KAAK,CAAC9qB,UAArC,CAAnB;AACD;;AAED2vB,YAAM,CAACjwB,IAAP,CAAYorB,KAAZ;AACD;;AACD,WAAO6E,MAAP;AACD,G;;aAEMU,wB,GAAP,kCAAiCX,MAAjC,EAAiD9E,OAAjD,EAAkEnuB,IAAlE,EAA2F6zB,WAA3F,EAAsJ;AAAA,QAA3DA,WAA2D;AAA3DA,iBAA2D,GAA1B,EAA0B;AAAA;;AACpJ,QAAIn0B,MAAJ;AACA,QAAIo0B,MAA4B,GAAG,EAAnC;AACA,QAAInwB,EAAE,GAAG,CAAT;AACAquB,+BAA2B,CAACV,SAA5B,GAAwC,CAAxC;;AACA,WAAO,CAAC5xB,MAAM,GAAGsyB,2BAA2B,CAACZ,IAA5B,CAAiC6B,MAAjC,CAAV,MAAwD,IAA/D,EAAqE;AACnE,UAAM7C,KAAK,GAAG,IAAID,SAAJ,CAAazwB,MAAM,CAAC,CAAD,CAAnB,CAAd;;AACA,UAAI0wB,KAAK,CAAC2D,IAAN,KAAe/zB,IAAnB,EAAyB;AACvB,YAAMg0B,KAAoB,GAAG;AAC3BrwB,YAAE,EAAEA,EAAE,EADqB;AAE3BswB,iBAAO,EAAE7D,KAAK,CAAC,UAAD,CAFa;AAG3Br3B,cAAI,EAAEq3B,KAAK,CAACsD,IAAN,IAActD,KAAK,CAAC8D,QAHC;AAI3Bl0B,cAAI,EAAJA,IAJ2B;AAK3Bm0B,iBAAO,EAAG/D,KAAK,CAACgE,OAAN,KAAkB,KALD;AAM3BC,oBAAU,EAAGjE,KAAK,CAACkE,UAAN,KAAqB,KANP;AAO3BC,gBAAM,EAAGnE,KAAK,CAACoE,MAAN,KAAiB,KAPC;AAQ3BC,cAAI,EAAErE,KAAK,CAAC8D;AARe,SAA7B;;AAWA,YAAI9D,KAAK,CAACsE,GAAV,EAAe;AACbV,eAAK,CAAChP,GAAN,GAAYsN,UAAU,CAACQ,OAAX,CAAmB1C,KAAK,CAACsE,GAAzB,EAA8BvG,OAA9B,CAAZ;AACD;;AAED,YAAI0F,WAAW,CAACj4B,MAAhB,EAAwB;AACtB;AACA,cAAM+4B,UAAU,GAAGrC,UAAU,CAACC,SAAX,CAAqBsB,WAArB,EAAkCG,KAAK,CAACC,OAAxC,CAAnB,CAFsB,CAItB;AACA;;AACAD,eAAK,CAACvzB,UAAN,GAAmBk0B,UAAU,GAAGA,UAAU,CAAClzB,KAAd,GAAsBoyB,WAAW,CAAC,CAAD,CAAX,CAAepyB,KAAlE;AACD;;AAEDqyB,cAAM,CAAC7wB,IAAP,CAAY+wB,KAAZ;AACD;AACF;;AACD,WAAOF,MAAP;AACD,G;;aAEMc,kB,GAAP,4BAA2B3B,MAA3B,EAA2C9E,OAA3C,EAA4DxqB,EAA5D,EAAwE3D,IAAxE,EAAiG60B,UAAjG,EAAqH;AACnH,QAAIC,SAAS,GAAG,CAAhB;AACA,QAAI9E,aAAa,GAAG,CAApB;AACA,QAAI3B,KAAK,GAAG,IAAIgB,WAAJ,CAAUlB,OAAV,CAAZ;AACA,QAAI4G,oBAAoB,GAAG,CAA3B;AACA,QAAIC,QAAyB,GAAG,IAAhC;AACA,QAAIplB,IAAqB,GAAG,IAAIyd,iBAAJ,EAA5B;AACA,QAAI3tB,MAAJ;AACA,QAAInF,CAAJ;AACA,QAAI+zB,QAAJ;AAEA,QAAI2G,aAAa,GAAG,IAApB;AAEAhD,6BAAyB,CAACX,SAA1B,GAAsC,CAAtC;;AAEA,WAAO,CAAC5xB,MAAM,GAAGuyB,yBAAyB,CAACb,IAA1B,CAA+B6B,MAA/B,CAAV,MAAsD,IAA7D,EAAmE;AACjE,UAAMzvB,QAAQ,GAAG9D,MAAM,CAAC,CAAD,CAAvB;;AACA,UAAI8D,QAAJ,EAAc;AAAE;AACdoM,YAAI,CAACpM,QAAL,GAAgBwtB,UAAU,CAACxtB,QAAD,CAA1B,CADY,CAEZ;;AACA,YAAMuqB,KAAK,GAAG,CAAC,MAAMruB,MAAM,CAAC,CAAD,CAAb,EAAkBhG,KAAlB,CAAwB,CAAxB,CAAd;AACAkW,YAAI,CAACme,KAAL,GAAaA,KAAK,IAAI,IAAtB;AACAne,YAAI,CAACoe,OAAL,CAAa/qB,IAAb,CAAkB8qB,KAAK,GAAG,CAAE,KAAF,EAASvqB,QAAT,EAAmBuqB,KAAnB,CAAH,GAAgC,CAAE,KAAF,EAASvqB,QAAT,CAAvD;AACD,OAND,MAMO,IAAI9D,MAAM,CAAC,CAAD,CAAV,EAAe;AAAE;AACtB,YAAI,0CAAgBkQ,IAAI,CAACpM,QAArB,CAAJ,EAAoC;AAClC,cAAMkV,EAAE,GAAGoc,SAAS,EAApB;AACAllB,cAAI,CAAC5P,IAAL,GAAYA,IAAZ;AACA4P,cAAI,CAAC7C,KAAL,GAAaijB,aAAb;;AACA,cAAI1B,QAAJ,EAAc;AACZ1e,gBAAI,CAAC0e,QAAL,GAAgBA,QAAhB;AACD;;AACD1e,cAAI,CAAC8I,EAAL,GAAUA,EAAV;AACA9I,cAAI,CAACye,KAAL,GAAa1qB,EAAb;AACAiM,cAAI,CAACqe,EAAL,GAAU8G,oBAAV;AACAnlB,cAAI,CAACwe,KAAL,GAAayG,UAAb;AACAjlB,cAAI,CAACue,OAAL,GAAeA,OAAf,CAXkC,CAYlC;;AACAve,cAAI,CAACse,MAAL,GAAc,CAAC,MAAMxuB,MAAM,CAAC,CAAD,CAAb,EAAkBhG,KAAlB,CAAwB,CAAxB,CAAd;AACAw7B,+BAAqB,CAACtlB,IAAD,EAAOolB,QAAP,CAArB;AAEA3G,eAAK,CAACoB,SAAN,CAAgBxsB,IAAhB,CAAqB2M,IAArB;AACAolB,kBAAQ,GAAGplB,IAAX;AACAogB,uBAAa,IAAIpgB,IAAI,CAACpM,QAAtB;AAEAoM,cAAI,GAAG,IAAIyd,iBAAJ,EAAP;AACD;AACF,OAvBM,MAuBA,IAAI3tB,MAAM,CAAC,CAAD,CAAV,EAAe;AAAE;AACtB,YAAM7G,IAAI,GAAG,CAAC,MAAM6G,MAAM,CAAC,CAAD,CAAb,EAAkBhG,KAAlB,CAAwB,CAAxB,CAAb;;AACA,YAAIs7B,QAAJ,EAAc;AACZplB,cAAI,CAAC4e,YAAL,CAAkB31B,IAAlB,EAAwBm8B,QAAxB;AACD,SAFD,MAEO;AACLplB,cAAI,CAAC4e,YAAL,CAAkB31B,IAAlB;AACD;AACF,OAPM,MAOA,IAAI6G,MAAM,CAAC,CAAD,CAAV,EAAe;AAAE;AACtB;AACAkQ,YAAI,CAACie,kBAAL,GAA0B,CAAC,MAAMnuB,MAAM,CAAC,CAAD,CAAb,EAAkBhG,KAAlB,CAAwB,CAAxB,CAA1B;AACAkW,YAAI,CAACoe,OAAL,CAAa/qB,IAAb,CAAkB,CAAC,mBAAD,EAAsB2M,IAAI,CAACie,kBAA3B,CAAlB;;AACA,YAAIoH,aAAa,KAAK,IAAtB,EAA4B;AAC1BA,uBAAa,GAAG5G,KAAK,CAACoB,SAAN,CAAgB7zB,MAAhC;AACD;AACF,OAPM,MAOA;AACL8D,cAAM,GAAGA,MAAM,CAAC,CAAD,CAAN,CAAUqb,KAAV,CAAgBqX,yBAAhB,CAAT;;AACA,YAAI,CAAC1yB,MAAL,EAAa;AACXT,0BAAM,CAACgN,IAAP,CAAY,oDAAZ;AACA;AACD;;AACD,aAAK1R,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGmF,MAAM,CAAC9D,MAAvB,EAA+BrB,CAAC,EAAhC,EAAoC;AAClC,cAAI,OAAOmF,MAAM,CAACnF,CAAD,CAAb,KAAqB,WAAzB,EAAsC;AACpC;AACD;AACF,SAVI,CAYL;;;AACA,YAAM46B,MAAM,GAAG,CAAC,MAAMz1B,MAAM,CAACnF,CAAC,GAAG,CAAL,CAAb,EAAsBb,KAAtB,CAA4B,CAA5B,CAAf;AACA,YAAM07B,MAAM,GAAG,CAAC,MAAM11B,MAAM,CAACnF,CAAC,GAAG,CAAL,CAAb,EAAsBb,KAAtB,CAA4B,CAA5B,CAAf;;AAEA,gBAAQgG,MAAM,CAACnF,CAAD,CAAd;AACA,eAAK,GAAL;AACEqV,gBAAI,CAACoe,OAAL,CAAa/qB,IAAb,CAAkBmyB,MAAM,GAAG,CAAED,MAAF,EAAUC,MAAV,CAAH,GAAwB,CAAED,MAAF,CAAhD;AACA;;AACF,eAAK,eAAL;AACE9G,iBAAK,CAACruB,IAAN,GAAam1B,MAAM,CAACE,WAAP,EAAb;AACA;;AACF,eAAK,gBAAL;AACEP,qBAAS,GAAGzG,KAAK,CAACwB,OAAN,GAAgB7pB,QAAQ,CAACmvB,MAAD,CAApC;AACA;;AACF,eAAK,gBAAL;AACE9G,iBAAK,CAAC0B,cAAN,GAAuBiB,UAAU,CAACmE,MAAD,CAAjC;AACA;;AACF,eAAK,SAAL;AACE9G,iBAAK,CAACtH,OAAN,GAAgB/gB,QAAQ,CAACmvB,MAAD,CAAxB;AACA;;AACF,eAAK,QAAL;AACE;;AACF,eAAK,SAAL;AACE9G,iBAAK,CAACqB,IAAN,GAAa,KAAb;AACA;;AACF,eAAK,KAAL;AACEqF,gCAAoB;AACpBnlB,gBAAI,CAACoe,OAAL,CAAa/qB,IAAb,CAAkB,CAAC,KAAD,CAAlB;AACA;;AACF,eAAK,mBAAL;AACE8xB,gCAAoB,GAAG/uB,QAAQ,CAACmvB,MAAD,CAA/B;AACA;;AACF,eAAK,KAAL;AAAY;AACV;AACA,kBAAMG,aAAa,GAAGH,MAAtB;AACA,kBAAMI,QAAQ,GAAG,IAAIpF,SAAJ,CAAamF,aAAb,CAAjB;AACA,kBAAME,aAAa,GAAGD,QAAQ,CAACtE,gBAAT,CAA0B,QAA1B,CAAtB;AACA,kBAAMwE,UAAU,GAAGF,QAAQ,CAACb,GAA5B;AACA,kBAAMgB,SAAS,GAAGH,QAAQ,CAAC3E,kBAAT,CAA4B,IAA5B,CAAlB;;AAEA,kBAAI4E,aAAJ,EAAmB;AACjBlH,wBAAQ,GAAG,IAAI1B,kBAAJ,CAAauB,OAAb,EAAsBsH,UAAtB,CAAX;;AACA,oBAAKA,UAAD,IAAiB,CAAC,SAAD,EAAY,YAAZ,EAA0B,iBAA1B,EAA6Cn0B,OAA7C,CAAqDk0B,aAArD,KAAuE,CAA5F,EAAgG;AAC9FlH,0BAAQ,CAACxiB,MAAT,GAAkB0pB,aAAlB;AACAlH,0BAAQ,CAACx1B,GAAT,GAAe,IAAf,CAF8F,CAG9F;;AACAw1B,0BAAQ,CAAC51B,EAAT,GAAcg9B,SAAd;AACD;AACF;;AACD;AACD;;AACD,eAAK,OAAL;AAAc;AACZ,kBAAMC,UAAU,GAAG,IAAIxF,SAAJ,CAAagF,MAAb,CAAnB;AACA,kBAAMrF,eAAe,GAAG6F,UAAU,CAAC5E,oBAAX,CAAgC,aAAhC,CAAxB,CAFY,CAGZ;;AACA,kBAAI,0CAAgBjB,eAAhB,CAAJ,EAAsC;AACpCzB,qBAAK,CAACyB,eAAN,GAAwBA,eAAxB;AACD;;AACD;AACD;;AACD,eAAK,KAAL;AAAY;AACV,kBAAM8F,QAAQ,GAAG,IAAIzF,SAAJ,CAAagF,MAAb,CAAjB;AACAvlB,kBAAI,CAACse,MAAL,GAAc0H,QAAQ,CAAClB,GAAvB;;AACA,kBAAIkB,QAAQ,CAACC,SAAb,EAAwB;AACtBjmB,oBAAI,CAAC4e,YAAL,CAAkBoH,QAAQ,CAACC,SAA3B;AACD;;AACDjmB,kBAAI,CAACue,OAAL,GAAeA,OAAf;AACAve,kBAAI,CAACye,KAAL,GAAa1qB,EAAb;AACAiM,kBAAI,CAAC5P,IAAL,GAAYA,IAAZ;AACA4P,kBAAI,CAAC8I,EAAL,GAAU,aAAV;AACA2V,mBAAK,CAAC/qB,WAAN,GAAoBsM,IAApB;AACAA,kBAAI,GAAG,IAAIyd,iBAAJ,EAAP;AACAzd,kBAAI,CAACie,kBAAL,GAA0BQ,KAAK,CAAC/qB,WAAN,CAAkBuqB,kBAA5C;AACA;AACD;;AACD;AACE5uB,4BAAM,CAACgN,IAAP,mCAA4CvM,MAA5C;AACA;AAzEF;AA2ED;AACF;;AACDkQ,QAAI,GAAGolB,QAAP,CAzJmH,CA0JnH;;AACA,QAAIplB,IAAI,IAAI,CAACA,IAAI,CAACse,MAAlB,EAA0B;AACxBG,WAAK,CAACoB,SAAN,CAAgBqG,GAAhB;AACA9F,mBAAa,IAAIpgB,IAAI,CAACpM,QAAtB;AACD;;AACD6qB,SAAK,CAAC2B,aAAN,GAAsBA,aAAtB;AACA3B,SAAK,CAAC0H,qBAAN,GAA8B/F,aAAa,GAAG3B,KAAK,CAACoB,SAAN,CAAgB7zB,MAA9D;AACAyyB,SAAK,CAACmB,KAAN,GAAcsF,SAAS,GAAG,CAA1B;AACAzG,SAAK,CAACuB,OAAN,GAAgBvB,KAAK,CAACoB,SAAN,CAAgB,CAAhB,IAAqBpB,KAAK,CAACoB,SAAN,CAAgB,CAAhB,EAAmBxB,EAAxC,GAA6C,CAA7D;AACAI,SAAK,CAACkB,KAAN,GAAcwF,oBAAd;;AAEA,QAAI,CAAC1G,KAAK,CAAC/qB,WAAP,IAAsB+qB,KAAK,CAACoB,SAAN,CAAgB7zB,MAA1C,EAAkD;AAChD;AACA;AACA;AACA,UAAIyyB,KAAK,CAACoB,SAAN,CAAgBuG,KAAhB,CAAsB,UAACpmB,IAAD;AAAA,eAAUyiB,gBAAgB,CAACjxB,IAAjB,CAAsBwO,IAAI,CAACse,MAA3B,CAAV;AAAA,OAAtB,CAAJ,EAAyE;AACvEjvB,wBAAM,CAACgN,IAAP,CAAY,kGAAZ;AAEA2D,YAAI,GAAG,IAAIyd,iBAAJ,EAAP;AACAzd,YAAI,CAACse,MAAL,GAAcG,KAAK,CAACoB,SAAN,CAAgB,CAAhB,EAAmBvB,MAAjC;AACAte,YAAI,CAACue,OAAL,GAAeA,OAAf;AACAve,YAAI,CAACye,KAAL,GAAa1qB,EAAb;AACAiM,YAAI,CAAC5P,IAAL,GAAYA,IAAZ;AACA4P,YAAI,CAAC8I,EAAL,GAAU,aAAV;AAEA2V,aAAK,CAAC/qB,WAAN,GAAoBsM,IAApB;AACAye,aAAK,CAACsB,cAAN,GAAuB,IAAvB;AACD;AACF;AAED;;;;;;;;;;;AASA,QAAIsF,aAAJ,EAAmB;AACjBgB,8BAAwB,CAAC5H,KAAK,CAACoB,SAAP,EAAkBwF,aAAlB,CAAxB;AACD;;AAED,WAAO5G,KAAP;AACD,G;;;;;;;AAGH,SAAS4H,wBAAT,CAAmCxG,SAAnC,EAA8CyG,UAA9C,EAA0D;AACxD,MAAIC,QAAQ,GAAG1G,SAAS,CAACyG,UAAD,CAAxB;;AACA,OAAK,IAAI37B,CAAC,GAAG27B,UAAU,GAAG,CAA1B,EAA6B37B,CAAC,IAAI,CAAlC,EAAqCA,CAAC,EAAtC,EAA0C;AACxC,QAAMqV,IAAI,GAAG6f,SAAS,CAACl1B,CAAD,CAAtB;AACAqV,QAAI,CAACke,eAAL,GAAuBqI,QAAQ,CAACrI,eAAT,GAA4Ble,IAAI,CAACpM,QAAL,GAAgB,IAAnE;AACA2yB,YAAQ,GAAGvmB,IAAX;AACD;AACF;;AAED,SAASslB,qBAAT,CAAgCtlB,IAAhC,EAAsColB,QAAtC,EAAgD;AAC9C,MAAIplB,IAAI,CAACie,kBAAT,EAA6B;AAC3Bje,QAAI,CAACke,eAAL,GAAuBtM,IAAI,CAAC8B,KAAL,CAAW1T,IAAI,CAACie,kBAAhB,CAAvB;AACD,GAFD,MAEO,IAAImH,QAAQ,IAAIA,QAAQ,CAAClH,eAAzB,EAA0C;AAC/Cle,QAAI,CAACke,eAAL,GAAuBkH,QAAQ,CAACoB,kBAAhC;AACD;;AAED,MAAI,CAAC,0CAAgBxmB,IAAI,CAACke,eAArB,CAAL,EAA4C;AAC1Cle,QAAI,CAACke,eAAL,GAAuB,IAAvB;AACAle,QAAI,CAACie,kBAAL,GAA0B,IAA1B;AACD;AACF,C;;;;;;;ACjXD;;;;;;;;;;AAWA;AACA;AACA;AACA;AACA;AACA;AACA;cAGwBwI,M;IAAhB9U,W,WAAAA,W;AAER;;;;IAGM+U,8B;;;;;AAGJ;;;;AAIA,0BAAa5K,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACE5rB,iBAAK,CAACypB,gBADR,EAEEzpB,iBAAK,CAAC8pB,aAFR,EAGE9pB,iBAAK,CAACsqB,mBAHR,EAIEtqB,iBAAK,CAAC0qB,sBAJR;AADgB,UANV+L,OAMU,GANqE,EAMrE;AAAA;AAMjB;AAED;;;;;;iBAIOC,oB,GAAP,8BAA6Bx2B,IAA7B,EAAiE;AAC/D,WAAQA,IAAI,KAAK0sB,mBAAmB,CAAC+J,WAA7B,IACNz2B,IAAI,KAAK0sB,mBAAmB,CAACgK,cAD/B;AAED;AAED;;;;;;;iBAKOC,qB,GAAP,+BAA8BC,OAA9B,EAAiF;AAAA,QACvE52B,IADuE,GAC9D42B,OAD8D,CACvE52B,IADuE;;AAG/E,YAAQA,IAAR;AACA,WAAK0sB,mBAAmB,CAAC+J,WAAzB;AACE,eAAO9J,iBAAiB,CAACe,KAAzB;;AACF,WAAKhB,mBAAmB,CAACgK,cAAzB;AACE,eAAO/J,iBAAiB,CAACkK,QAAzB;;AACF;AACE,eAAOlK,iBAAiB,CAACmK,IAAzB;AANF;AAQD,G;;iBAEMC,c,GAAP,wBAAuBC,QAAvB,EAAiDJ,OAAjD,EAAyF;AACvF,QAAI5R,GAAG,GAAGgS,QAAQ,CAAChS,GAAnB,CADuF,CAEvF;AACA;;AACA,QAAIA,GAAG,KAAK9mB,SAAR,IAAqB8mB,GAAG,CAAC1jB,OAAJ,CAAY,OAAZ,MAAyB,CAAlD,EAAqD;AACnD;AACA0jB,SAAG,GAAG4R,OAAO,CAAC5R,GAAd;AACD;;AACD,WAAOA,GAAP;AACD;AAED;;;;;;;;;;SAMAiS,oB,GAAA,8BAAsBL,OAAtB,EAAqF;AACnF,QAAMr4B,MAAM,GAAG,KAAKmtB,GAAL,CAASntB,MAAxB;AACA,QAAM24B,OAAO,GAAG34B,MAAM,CAAC44B,OAAvB;AACA,QAAMC,MAAM,GAAG74B,MAAM,CAACgwB,MAAtB,CAHmF,CAInF;;AACA,QAAM8I,cAAc,GAAGH,OAAO,IAAIE,MAAlC;AAEA,QAAM7I,MAAM,GAAG,IAAI8I,cAAJ,CAAmB94B,MAAnB,CAAf,CAPmF,CASnF;;AACAq4B,WAAO,CAACrI,MAAR,GAAiBA,MAAjB;AACA,SAAKgI,OAAL,CAAaK,OAAO,CAAC52B,IAArB,IAA6BuuB,MAA7B;AAEA,WAAOA,MAAP;AACD,G;;SAED+I,iB,GAAA,2BAAmBV,OAAnB,EAA8F;AAC5F,WAAO,KAAKL,OAAL,CAAaK,OAAO,CAAC52B,IAArB,CAAP;AACD,G;;SAEDu3B,mB,GAAA,6BAAqBC,WAArB,EAAuD;AACrD,QAAI,KAAKjB,OAAL,CAAaiB,WAAb,CAAJ,EAA+B;AAC7B,aAAO,KAAKjB,OAAL,CAAaiB,WAAb,CAAP;AACD;AACF;AAED;;;;;SAGAC,sB,GAAA,kCAA0B;AACxB,SAAK,IAAID,WAAT,IAAwB,KAAKjB,OAA7B,EAAsC;AACpC,UAAIhI,MAAM,GAAG,KAAKgI,OAAL,CAAaiB,WAAb,CAAb;;AACA,UAAIjJ,MAAJ,EAAY;AACVA,cAAM,CAACtwB,OAAP;AACD;;AAED,WAAKs5B,mBAAL,CAAyBC,WAAzB;AACD;AACF,G;;SAEDv5B,O,GAAA,mBAAW;AACT,SAAKw5B,sBAAL;;AAEA,4BAAMx5B,OAAN;AACD,G;;SAEDy5B,iB,GAAA,2BAAmB7+B,IAAnB,EAA2C;AACzC,SAAK8+B,IAAL,CAAU;AACR3S,SAAG,EAAEnsB,IAAI,CAACmsB,GADF;AAERhlB,UAAI,EAAE0sB,mBAAmB,CAACkL,QAFlB;AAGRvJ,WAAK,EAAE,CAHC;AAIR1qB,QAAE,EAAE,IAJI;AAKRk0B,kBAAY,EAAE;AALN,KAAV;AAOD,G;;SAEDC,c,GAAA,wBAAgBj/B,IAAhB,EAAiF;AAC/E,SAAK8+B,IAAL,CAAU;AACR3S,SAAG,EAAEnsB,IAAI,CAACmsB,GADF;AAERhlB,UAAI,EAAE0sB,mBAAmB,CAACqL,KAFlB;AAGR1J,WAAK,EAAEx1B,IAAI,CAACw1B,KAHJ;AAIR1qB,QAAE,EAAE9K,IAAI,CAAC8K,EAJD;AAKRk0B,kBAAY,EAAE;AALN,KAAV;AAOD,G;;SAEDG,mB,GAAA,6BAAqBn/B,IAArB,EAAgE;AAC9D,SAAK8+B,IAAL,CAAU;AACR3S,SAAG,EAAEnsB,IAAI,CAACmsB,GADF;AAERhlB,UAAI,EAAE0sB,mBAAmB,CAAC+J,WAFlB;AAGRpI,WAAK,EAAE,IAHC;AAIR1qB,QAAE,EAAE9K,IAAI,CAAC8K,EAJD;AAKRk0B,kBAAY,EAAE;AALN,KAAV;AAOD,G;;SAEDI,sB,GAAA,gCAAwBp/B,IAAxB,EAAmE;AACjE,SAAK8+B,IAAL,CAAU;AACR3S,SAAG,EAAEnsB,IAAI,CAACmsB,GADF;AAERhlB,UAAI,EAAE0sB,mBAAmB,CAACgK,cAFlB;AAGRrI,WAAK,EAAE,IAHC;AAIR1qB,QAAE,EAAE9K,IAAI,CAAC8K,EAJD;AAKRk0B,kBAAY,EAAE;AALN,KAAV;AAOD,G;;SAEDF,I,GAAA,cAAMf,OAAN,EAA+C;AAC7C,QAAMr4B,MAAM,GAAG,KAAKmtB,GAAL,CAASntB,MAAxB;AAEAU,oBAAM,CAAC6R,KAAP,+BAAyC8lB,OAAO,CAAC52B,IAAjD,iBAAiE42B,OAAO,CAACvI,KAAzE,cAAuFuI,OAAO,CAACjzB,EAA/F,EAH6C,CAK7C;;AACA,QAAI4qB,MAAM,GAAG,KAAK+I,iBAAL,CAAuBV,OAAvB,CAAb;;AACA,QAAIrI,MAAJ,EAAY;AACV,UAAM2J,aAAa,GAAG3J,MAAM,CAACqI,OAA7B;;AACA,UAAIsB,aAAa,IAAIA,aAAa,CAAClT,GAAd,KAAsB4R,OAAO,CAAC5R,GAAnD,EAAwD;AAAE;AACxD/lB,wBAAM,CAAC6hB,KAAP,CAAa,0BAAb;AACA,eAAO,KAAP;AACD,OAHD,MAGO;AACL7hB,wBAAM,CAACgN,IAAP,yCAAkD2qB,OAAO,CAAC52B,IAA1D;AACAuuB,cAAM,CAAC4J,KAAP;AACD;AACF;;AAED,QAAIC,QAAJ;AACA,QAAIC,OAAJ;AACA,QAAIC,UAAJ;AACA,QAAIC,aAAJ,CArB6C,CAuB7C;AACA;;AACA,YAAQ3B,OAAO,CAAC52B,IAAhB;AACA,WAAK0sB,mBAAmB,CAACkL,QAAzB;AACEQ,gBAAQ,GAAG75B,MAAM,CAACi6B,uBAAlB;AACAH,eAAO,GAAG95B,MAAM,CAACk6B,sBAAjB;AACAH,kBAAU,GAAG/5B,MAAM,CAACm6B,yBAApB;AACAH,qBAAa,GAAGh6B,MAAM,CAACo6B,8BAAvB;AACA;;AACF,WAAKjM,mBAAmB,CAACqL,KAAzB;AACE;AACAK,gBAAQ,GAAG,CAAX;AACAG,qBAAa,GAAG,CAAhB;AACAD,kBAAU,GAAG,CAAb;AACAD,eAAO,GAAG95B,MAAM,CAACq6B,mBAAjB,CALF,CAME;;AACA;;AACF;AACER,gBAAQ,GAAG75B,MAAM,CAACs6B,oBAAlB;AACAR,eAAO,GAAG95B,MAAM,CAACq6B,mBAAjB;AACAN,kBAAU,GAAG/5B,MAAM,CAACu6B,sBAApB;AACAP,qBAAa,GAAGh6B,MAAM,CAACw6B,2BAAvB;AACA;AApBF;;AAuBAxK,UAAM,GAAG,KAAK0I,oBAAL,CAA0BL,OAA1B,CAAT;AAEA,QAAMoC,YAAiC,GAAG;AACxCX,aAAO,EAAPA,OADwC;AAExCD,cAAQ,EAARA,QAFwC;AAGxCE,gBAAU,EAAVA,UAHwC;AAIxCC,mBAAa,EAAbA;AAJwC,KAA1C;AAOA,QAAMU,eAAuD,GAAG;AAC9DC,eAAS,EAAE,KAAKC,WAAL,CAAiBnwB,IAAjB,CAAsB,IAAtB,CADmD;AAE9DowB,aAAO,EAAE,KAAKC,SAAL,CAAerwB,IAAf,CAAoB,IAApB,CAFqD;AAG9DswB,eAAS,EAAE,KAAKC,WAAL,CAAiBvwB,IAAjB,CAAsB,IAAtB;AAHmD,KAAhE;AAMA/J,oBAAM,CAAC6R,KAAP,gDAA0D8lB,OAAO,CAAC5R,GAAlE;AACAuJ,UAAM,CAACoJ,IAAP,CAAYf,OAAZ,EAAqBoC,YAArB,EAAmCC,eAAnC;AAEA,WAAO,IAAP;AACD,G;;SAEDE,W,GAAA,qBAAanC,QAAb,EAAuC/U,KAAvC,EAA2D2U,OAA3D,EAA2F4C,cAA3F,EAA2H;AAAA,QAAhCA,cAAgC;AAAhCA,oBAAgC,GAAN,IAAM;AAAA;;AACzH,QAAI5C,OAAO,CAAC6C,aAAZ,EAA2B;AACzB,WAAKC,kBAAL,CAAwB1C,QAAxB,EAAkCJ,OAAlC;;AACA,WAAK+C,qBAAL,CAA2B3C,QAA3B,EAAqC/U,KAArC,EAA4C2U,OAA5C,EAAqD4C,cAArD;;AACA;AACD;;AAED,SAAKjC,mBAAL,CAAyBX,OAAO,CAAC52B,IAAjC;;AACA,QAAI,OAAOg3B,QAAQ,CAACn+B,IAAhB,KAAyB,QAA7B,EAAuC;AACrC,YAAM,IAAIiD,KAAJ,CAAU,oDAAV,CAAN;AACD;;AAED,QAAMm3B,MAAM,GAAG+D,QAAQ,CAACn+B,IAAxB;AAEAopB,SAAK,CAAC2X,KAAN,GAAcrY,WAAW,CAACD,GAAZ,EAAd,CAdyH,CAezH;AAEA;;AACA,QAAI2R,MAAM,CAAC3xB,OAAP,CAAe,SAAf,MAA8B,CAAlC,EAAqC;AACnC,WAAKu4B,2BAAL,CAAiC7C,QAAjC,EAA2CJ,OAA3C,EAAoD,qBAApD,EAA2E4C,cAA3E;;AACA;AACD,KArBwH,CAuBzH;;;AACA,QAAIvG,MAAM,CAAC3xB,OAAP,CAAe,UAAf,IAA6B,CAA7B,IAAkC2xB,MAAM,CAAC3xB,OAAP,CAAe,wBAAf,IAA2C,CAAjF,EAAoF;AAClF,WAAKw4B,2BAAL,CAAiC9C,QAAjC,EAA2C/U,KAA3C,EAAkD2U,OAAlD,EAA2D4C,cAA3D;AACD,KAFD,MAEO;AACL,WAAKO,qBAAL,CAA2B/C,QAA3B,EAAqC/U,KAArC,EAA4C2U,OAA5C,EAAqD4C,cAArD;AACD;AACF,G;;SAEDH,S,GAAA,mBAAWrC,QAAX,EAAqCJ,OAArC,EAAqE4C,cAArE,EAA4F;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AAC1F,SAAKQ,mBAAL,CAAyBpD,OAAzB,EAAkC4C,cAAlC,EAAkD,KAAlD,EAAyDxC,QAAzD;AACD,G;;SAEDuC,W,GAAA,qBAAatX,KAAb,EAAiC2U,OAAjC,EAAiE4C,cAAjE,EAAwF;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AACtF,SAAKQ,mBAAL,CAAyBpD,OAAzB,EAAkC4C,cAAlC,EAAkD,IAAlD;AACD,G,CAED;AACA;;;SACAO,qB,GAAA,+BAAuB/C,QAAvB,EAAiD/U,KAAjD,EAAqE2U,OAArE,EAAqG4C,cAArG,EAA8H;AAC5H,QAAM9N,GAAG,GAAG,KAAKA,GAAjB;AACA,QAAMuH,MAAM,GAAG+D,QAAQ,CAACn+B,IAAxB;AAEA,QAAMmsB,GAAG,GAAGsR,cAAc,CAACS,cAAf,CAA8BC,QAA9B,EAAwCJ,OAAxC,CAAZ;AACA,QAAM1D,MAAM,GAAGZ,sBAAU,CAACU,mBAAX,CAA+BC,MAA/B,EAAuCjO,GAAvC,CAAf;;AACA,QAAI,CAACkO,MAAM,CAACt3B,MAAZ,EAAoB;AAClB,WAAKi+B,2BAAL,CAAiC7C,QAAjC,EAA2CJ,OAA3C,EAAoD,4BAApD,EAAkF4C,cAAlF;;AACA;AACD,KAT2H,CAW5H;;;AACA,QAAM3F,WAA8B,GAAGX,MAAM,CAAC/K,GAAP,CAAW,UAAAkG,KAAK;AAAA,aAAK;AAC1D1qB,UAAE,EAAE0qB,KAAK,CAAC+B,KAAN,CAAY1C,KAD0C;AAE1DjsB,aAAK,EAAE4sB,KAAK,CAAC5tB;AAF6C,OAAL;AAAA,KAAhB,CAAvC;AAKA,QAAMw5B,WAAW,GAAG3H,sBAAU,CAACsB,wBAAX,CAAoCX,MAApC,EAA4CjO,GAA5C,EAAiD,OAAjD,EAA0D6O,WAA1D,CAApB;AACA,QAAMqG,SAAS,GAAG5H,sBAAU,CAACsB,wBAAX,CAAoCX,MAApC,EAA4CjO,GAA5C,EAAiD,WAAjD,CAAlB;;AAEA,QAAIiV,WAAW,CAACr+B,MAAhB,EAAwB;AACtB;AACA,UAAIu+B,kBAAkB,GAAG,KAAzB;AACAF,iBAAW,CAAC5oB,OAAZ,CAAoB,UAAAhE,UAAU,EAAI;AAChC,YAAI,CAACA,UAAU,CAAC2X,GAAhB,EAAqB;AACnBmV,4BAAkB,GAAG,IAArB;AACD;AACF,OAJD,EAHsB,CAStB;AACA;AACA;AACA;;AACA,UAAIA,kBAAkB,KAAK,KAAvB,IAAgCjH,MAAM,CAAC,CAAD,CAAN,CAAUzyB,UAA1C,IAAwD,CAACyyB,MAAM,CAAC,CAAD,CAAN,CAAU9C,KAAV,CAAgB1C,KAA7E,EAAoF;AAClFzuB,wBAAM,CAACC,GAAP,CAAW,yFAAX;AACA+6B,mBAAW,CAACG,OAAZ,CAAoB;AAClBp6B,cAAI,EAAE,MADY;AAElBjH,cAAI,EAAE,MAFY;AAGlBo7B,iBAAO,EAAE,KAHS;AAIlBE,oBAAU,EAAE,KAJM;AAKlBE,gBAAM,EAAE,KALU;AAMlB5wB,YAAE,EAAE,CAAC;AANa,SAApB;AAQD;AACF;;AAED+nB,OAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAAC0pB,eAAlB,EAAmC;AACjC0J,YAAM,EAANA,MADiC;AAEjC+G,iBAAW,EAAXA,WAFiC;AAGjCC,eAAS,EAATA,SAHiC;AAIjClV,SAAG,EAAHA,GAJiC;AAKjC/C,WAAK,EAALA,KALiC;AAMjCuX,oBAAc,EAAdA;AANiC,KAAnC;AAQD,G;;SAEDM,2B,GAAA,qCAA6B9C,QAA7B,EAAuD/U,KAAvD,EAA2E2U,OAA3E,EAA2G4C,cAA3G,EAAoI;AAClI,QAAM9N,GAAG,GAAG,KAAKA,GAAjB;AADkI,QAG1H/nB,EAH0H,GAGtGizB,OAHsG,CAG1HjzB,EAH0H;AAAA,QAGtH0qB,KAHsH,GAGtGuI,OAHsG,CAGtHvI,KAHsH;AAAA,QAG/GruB,IAH+G,GAGtG42B,OAHsG,CAG/G52B,IAH+G;AAKlI,QAAMglB,GAAG,GAAGsR,cAAc,CAACS,cAAf,CAA8BC,QAA9B,EAAwCJ,OAAxC,CAAZ,CALkI,CAOlI;;AACA,QAAM/B,UAAU,GAAG,0CAAgBlxB,EAAhB,IAAgCA,EAAhC,GAA+C,CAAlE;AACA,QAAM02B,OAAO,GAAG,0CAAgBhM,KAAhB,IAAmCA,KAAnC,GAAqDwG,UAArE;AAEA,QAAMyF,SAAS,GAAGhE,cAAc,CAACK,qBAAf,CAAqCC,OAArC,CAAlB;AACA,QAAM2D,YAAY,GAAGjI,sBAAU,CAACsC,kBAAX,CAA8BoC,QAAQ,CAACn+B,IAAvC,EAAuDmsB,GAAvD,EAA4DqV,OAA5D,EAAqEC,SAArE,EAAgFzF,UAAhF,CAArB,CAZkI,CAclI;AACA;;AACC0F,gBAAD,CAAsBX,KAAtB,GAA8B3X,KAAK,CAAC2X,KAApC,CAhBkI,CAkBlI;AACA;AACA;AACA;;AACA,QAAI55B,IAAI,KAAK0sB,mBAAmB,CAACkL,QAAjC,EAA2C;AACzC,UAAM4C,WAAW,GAAG;AAClBxV,WAAG,EAAHA,GADkB;AAElB7kB,eAAO,EAAEo6B;AAFS,OAApB;AAKA7O,SAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAAC0pB,eAAlB,EAAmC;AACjC0J,cAAM,EAAE,CAACsH,WAAD,CADyB;AAEjCP,mBAAW,EAAE,EAFoB;AAGjCjV,WAAG,EAAHA,GAHiC;AAIjC/C,aAAK,EAALA,KAJiC;AAKjCuX,sBAAc,EAAdA;AALiC,OAAnC;AAOD,KAnCiI,CAqClI;;;AACAvX,SAAK,CAACwY,OAAN,GAAgBlZ,WAAW,CAACD,GAAZ,EAAhB,CAtCkI,CAwClI;AACA;AACA;;AACA,QAAIiZ,YAAY,CAAC5K,cAAjB,EAAiC;AAC/B,UAAM+K,OAAO,GAAGH,YAAY,CAACj3B,WAAb,CAAyB0hB,GAAzC;AACA,WAAK2S,IAAL,CAAU;AACR3S,WAAG,EAAE0V,OADG;AAERjB,qBAAa,EAAE,IAFP;AAGRz5B,YAAI,EAAJA,IAHQ;AAIRquB,aAAK,EAALA,KAJQ;AAKRkM,oBAAY,EAAZA,YALQ;AAMR52B,UAAE,EAAFA,EANQ;AAORg3B,kBAAU,EAAE,CAPJ;AAQRC,gBAAQ,EAAE,IARF;AASR/C,oBAAY,EAAE;AATN,OAAV;AAWA;AACD,KAzDiI,CA2DlI;;;AACAjB,WAAO,CAAC2D,YAAR,GAAuBA,YAAvB;;AAEA,SAAKZ,qBAAL,CAA2B3C,QAA3B,EAAqC/U,KAArC,EAA4C2U,OAA5C,EAAqD4C,cAArD;AACD,G;;SAEDE,kB,GAAA,4BAAoB1C,QAApB,EAA8CJ,OAA9C,EAA8E;AAC5E,QAAI,OAAOI,QAAQ,CAACn+B,IAAhB,KAAyB,QAA7B,EAAuC;AACrC,YAAM,IAAIiD,KAAJ,CAAU,6DAAV,CAAN;AACD;;AAED,QAAM++B,QAAQ,GAAGtY,qBAAU,CAACoE,iBAAX,CAA6B,IAAIpgB,UAAJ,CAAeywB,QAAQ,CAACn+B,IAAxB,CAA7B,CAAjB,CAL4E,CAM5E;;AACA,QAAI,CAACgiC,QAAL,EAAe;AACb;AACD;;AACD,QAAMC,cAAc,GAAGD,QAAQ,CAAC/T,UAAhC;AACA,QAAMyT,YAAY,GAAG3D,OAAO,CAAC2D,YAA7B;AACAO,kBAAc,CAACzpB,OAAf,CAAuB,UAAC0pB,UAAD,EAAaha,KAAb,EAAuB;AAC5C,UAAMia,UAAU,GAAGD,UAAU,CAAC9W,IAA9B;;AACA,UAAI,CAACsW,YAAL,EAAmB;AACjB;AACD;;AACD,UAAM3qB,IAAI,GAAG2qB,YAAY,CAAC9K,SAAb,CAAuB1O,KAAvB,CAAb;;AACA,UAAInR,IAAI,CAACgf,SAAL,CAAehzB,MAAf,KAA0B,CAA9B,EAAiC;AAC/BgU,YAAI,CAAC4e,YAAL,CAAkBrK,MAAM,CAAC,IAAI6W,UAAU,CAACra,GAAf,GAAqBqa,UAAU,CAACjuB,KAAjC,CAAN,GAAgD,GAAhD,GAAsDoX,MAAM,CAAC6W,UAAU,CAACjuB,KAAZ,CAA9E;AACD;AACF,KATD;;AAWA,QAAIwtB,YAAJ,EAAkB;AAChBA,kBAAY,CAACj3B,WAAb,CAAyBkrB,YAAzB,CAAsCrK,MAAM,CAAC0W,QAAQ,CAACjU,aAAV,CAAN,GAAiC,IAAvE;AACD;AACF,G;;SAEDiT,2B,GAAA,qCAA6B7C,QAA7B,EAAuDJ,OAAvD,EAAuFr2B,MAAvF,EAAuGi5B,cAAvG,EAAgI;AAC9H,SAAK9N,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,UAAI,EAAEC,oBAAU,CAACg7B,aADW;AAE5B96B,aAAO,EAAEC,sBAAY,CAAC86B,sBAFM;AAG5B56B,WAAK,EAAE,IAHqB;AAI5B0kB,SAAG,EAAEgS,QAAQ,CAAChS,GAJc;AAK5BzkB,YAAM,EAANA,MAL4B;AAM5Bi5B,oBAAc,EAAdA;AAN4B,KAA9B;AAQD,G;;SAEDQ,mB,GAAA,6BAAqBpD,OAArB,EAAqD4C,cAArD,EAA8EnB,OAA9E,EAAwGrB,QAAxG,EAAgJ;AAAA,QAAlEqB,OAAkE;AAAlEA,aAAkE,GAA/C,KAA+C;AAAA;;AAAA,QAAxCrB,QAAwC;AAAxCA,cAAwC,GAAN,IAAM;AAAA;;AAC9I/3B,oBAAM,CAACglB,IAAP,8CAAuD2S,OAAO,CAAC52B,IAA/D;AAEA,QAAIG,OAAJ;AACA,QAAIG,KAAJ;AAEA,QAAMiuB,MAAM,GAAG,KAAK+I,iBAAL,CAAuBV,OAAvB,CAAf;;AAEA,YAAQA,OAAO,CAAC52B,IAAhB;AACA,WAAK0sB,mBAAmB,CAACkL,QAAzB;AACEz3B,eAAO,GAAIk4B,OAAO,GAAGj4B,sBAAY,CAAC+6B,qBAAhB,GAAwC/6B,sBAAY,CAACg7B,mBAAvE;AACA96B,aAAK,GAAG,IAAR;AACA;;AACF,WAAKosB,mBAAmB,CAACqL,KAAzB;AACE53B,eAAO,GAAIk4B,OAAO,GAAGj4B,sBAAY,CAACi7B,kBAAhB,GAAqCj7B,sBAAY,CAACk7B,gBAApE;AACAh7B,aAAK,GAAG,KAAR;AACA;;AACF,WAAKosB,mBAAmB,CAAC+J,WAAzB;AACEt2B,eAAO,GAAIk4B,OAAO,GAAGj4B,sBAAY,CAACm7B,wBAAhB,GAA2Cn7B,sBAAY,CAACo7B,sBAA1E;AACAl7B,aAAK,GAAG,KAAR;AACA;;AACF;AACE;AACAA,aAAK,GAAG,KAAR;AAfF;;AAkBA,QAAIiuB,MAAJ,EAAY;AACVA,YAAM,CAAC4J,KAAP;AACA,WAAKZ,mBAAL,CAAyBX,OAAO,CAAC52B,IAAjC;AACD,KA7B6I,CA+B9I;;;AACA,QAAIy7B,SAAc,GAAG;AACnBz7B,UAAI,EAAEC,oBAAU,CAACg7B,aADE;AAEnB96B,aAAO,EAAPA,OAFmB;AAGnBG,WAAK,EAALA,KAHmB;AAInB0kB,SAAG,EAAE4R,OAAO,CAAC5R,GAJM;AAKnBuJ,YAAM,EAANA,MALmB;AAMnBqI,aAAO,EAAPA,OANmB;AAOnB4C,oBAAc,EAAdA;AAPmB,KAArB;;AAUA,QAAIxC,QAAJ,EAAc;AACZyE,eAAS,CAACzE,QAAV,GAAqBA,QAArB;AACD;;AAED,SAAKtL,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B07B,SAA9B;AACD,G;;SAED9B,qB,GAAA,+BAAuB3C,QAAvB,EAAiD/U,KAAjD,EAAqE2U,OAArE,EAAqG4C,cAArG,EAA8H;AAAA,QACpHx5B,IADoH,GAClF42B,OADkF,CACpH52B,IADoH;AAAA,QAC9GquB,KAD8G,GAClFuI,OADkF,CAC9GvI,KAD8G;AAAA,QACvG1qB,EADuG,GAClFizB,OADkF,CACvGjzB,EADuG;AAAA,QACnG42B,YADmG,GAClF3D,OADkF,CACnG2D,YADmG;;AAG5H,QAAI,CAACA,YAAD,IAAiB,CAACA,YAAY,CAACxK,cAAnC,EAAmD;AACjD,WAAK8J,2BAAL,CAAiC7C,QAAjC,EAA2CJ,OAA3C,EAAoD,yBAApD,EAA+E4C,cAA/E;;AACA;AACD;;AAED,QAAMkC,aAAa,GAAGpF,cAAc,CAACE,oBAAf,CAAoCI,OAAO,CAAC52B,IAA5C,CAAtB;;AACA,QAAI07B,aAAJ,EAAmB;AACjB,WAAKhQ,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAAC+pB,YAAvB,EAAqC;AACnC1pB,eAAO,EAAEo6B,YAD0B;AAEnClM,aAAK,EAAEA,KAAK,IAAI,CAFmB;AAGnC1qB,UAAE,EAAEA,EAAE,IAAI,CAHyB;AAInCse,aAAK,EAALA,KAJmC;AAKnCuX,sBAAc,EAAdA;AALmC,OAArC;AAOD,KARD,MAQO;AACL,cAAQx5B,IAAR;AACA,aAAK0sB,mBAAmB,CAAC+J,WAAzB;AACE,eAAK/K,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACuqB,kBAAvB,EAA2C;AACzClqB,mBAAO,EAAEo6B,YADgC;AAEzC52B,cAAE,EAAFA,EAFyC;AAGzCse,iBAAK,EAALA,KAHyC;AAIzCuX,0BAAc,EAAdA;AAJyC,WAA3C;AAMA;;AACF,aAAK9M,mBAAmB,CAACgK,cAAzB;AACE,eAAKhL,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAAC2qB,qBAAvB,EAA8C;AAC5CtqB,mBAAO,EAAEo6B,YADmC;AAE5C52B,cAAE,EAAFA,EAF4C;AAG5Cse,iBAAK,EAALA,KAH4C;AAI5CuX,0BAAc,EAAdA;AAJ4C,WAA9C;AAMA;AAhBF;AAkBD;AACF,G;;;EArf0B/N,a;;AAwfd6K,kFAAf,E;;;;;;;ACjhBA;;;AAIA;AACA;AACA;AACA;;IAEMqF,8B;;;;;AACJ,0BAAajQ,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EAAW5rB,iBAAK,CAAC6qB,YAAjB;AACA,UAAK4L,OAAL,GAAe,EAAf;AAFgB;AAGjB;;;;SAEDt4B,O,GAAA,mBAAW;AACT,QAAIs4B,OAAO,GAAG,KAAKA,OAAnB;;AACA,SAAK,IAAIqF,UAAT,IAAuBrF,OAAvB,EAAgC;AAC9B,UAAIhI,MAAM,GAAGgI,OAAO,CAACqF,UAAD,CAApB;;AACA,UAAIrN,MAAJ,EAAY;AACVA,cAAM,CAACtwB,OAAP;AACD;AACF;;AACD,SAAKs4B,OAAL,GAAe,EAAf;;AAEA,4BAAMt4B,OAAN;AACD,G;;SAED49B,a,GAAA,uBAAehjC,IAAf,EAAqB;AACnB,QAAM+W,IAAI,GAAG/W,IAAI,CAAC+W,IAAlB;AAAA,QACE5P,IAAI,GAAG4P,IAAI,CAAC5P,IADd;AAAA,QAEEu2B,OAAO,GAAG,KAAKA,OAFjB;AAAA,QAGEh4B,MAAM,GAAG,KAAKmtB,GAAL,CAASntB,MAHpB;AAAA,QAIEu9B,eAAe,GAAGv9B,MAAM,CAACw9B,OAJ3B;AAAA,QAKEC,cAAc,GAAGz9B,MAAM,CAACgwB,MAL1B,CADmB,CAQnB;;AACA3e,QAAI,CAACqsB,MAAL,GAAc,CAAd;AAEA,QAAI1N,MAAM,GAAGgI,OAAO,CAACv2B,IAAD,CAApB;;AACA,QAAIuuB,MAAJ,EAAY;AACVtvB,sBAAM,CAACgN,IAAP,+CAAwDjM,IAAxD;AACAuuB,YAAM,CAAC4J,KAAP;AACD;;AAED5J,UAAM,GAAGgI,OAAO,CAACv2B,IAAD,CAAP,GAAgB4P,IAAI,CAAC2e,MAAL,GACvBhwB,MAAM,CAACw9B,OAAP,GAAiB,IAAID,eAAJ,CAAoBv9B,MAApB,CAAjB,GAA+C,IAAIy9B,cAAJ,CAAmBz9B,MAAnB,CADjD;AAGA,QAAI25B,aAAJ,EAAmBc,YAAnB,EAAiCC,eAAjC;AAEAf,iBAAa,GAAG;AAAElT,SAAG,EAAEpV,IAAI,CAACoV,GAAZ;AAAiBpV,UAAI,EAAEA,IAAvB;AAA6BioB,kBAAY,EAAE,aAA3C;AAA0DqE,kBAAY,EAAE;AAAxE,KAAhB;AAEA,QAAInvB,KAAK,GAAG6C,IAAI,CAACusB,oBAAjB;AAAA,QACExb,GAAG,GAAG/Q,IAAI,CAACif,kBADb;;AAGA,QAAI,0CAAgB9hB,KAAhB,KAA0B,0CAAgB4T,GAAhB,CAA9B,EAAoD;AAClDuX,mBAAa,CAACyC,UAAd,GAA2B5tB,KAA3B;AACAmrB,mBAAa,CAAC0C,QAAd,GAAyBja,GAAzB;AACD;;AAEDqY,gBAAY,GAAG;AACbX,aAAO,EAAE95B,MAAM,CAAC69B,kBADH;AAEbhE,cAAQ,EAAE,CAFG;AAGbE,gBAAU,EAAE,CAHC;AAIbC,mBAAa,EAAEh6B,MAAM,CAAC89B;AAJT,KAAf;AAOApD,mBAAe,GAAG;AAChBC,eAAS,EAAE,KAAKC,WAAL,CAAiBnwB,IAAjB,CAAsB,IAAtB,CADK;AAEhBowB,aAAO,EAAE,KAAKC,SAAL,CAAerwB,IAAf,CAAoB,IAApB,CAFO;AAGhBswB,eAAS,EAAE,KAAKC,WAAL,CAAiBvwB,IAAjB,CAAsB,IAAtB,CAHK;AAIhBszB,gBAAU,EAAE,KAAKC,YAAL,CAAkBvzB,IAAlB,CAAuB,IAAvB;AAJI,KAAlB;AAOAulB,UAAM,CAACoJ,IAAP,CAAYO,aAAZ,EAA2Bc,YAA3B,EAAyCC,eAAzC;AACD,G;;SAEDE,W,GAAA,qBAAanC,QAAb,EAAuB/U,KAAvB,EAA8B2U,OAA9B,EAAuC4C,cAAvC,EAA8D;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AAC5D,QAAIrhB,OAAO,GAAG6e,QAAQ,CAACn+B,IAAvB;AAAA,QAA6B+W,IAAI,GAAGgnB,OAAO,CAAChnB,IAA5C,CAD4D,CAE5D;;AACAA,QAAI,CAAC2e,MAAL,GAAcrwB,SAAd;AACA,SAAKq4B,OAAL,CAAa3mB,IAAI,CAAC5P,IAAlB,IAA0B9B,SAA1B;AACA,SAAKwtB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACgrB,WAAvB,EAAoC;AAAE3S,aAAO,EAAEA,OAAX;AAAoBvI,UAAI,EAAEA,IAA1B;AAAgCqS,WAAK,EAAEA,KAAvC;AAA8CuX,oBAAc,EAAEA;AAA9D,KAApC;AACD,G;;SAEDH,S,GAAA,mBAAWrC,QAAX,EAAqBJ,OAArB,EAA8B4C,cAA9B,EAAqD;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AACnD,QAAM5pB,IAAI,GAAGgnB,OAAO,CAAChnB,IAArB;AACA,QAAI2e,MAAM,GAAG3e,IAAI,CAAC2e,MAAlB;;AACA,QAAIA,MAAJ,EAAY;AACVA,YAAM,CAAC4J,KAAP;AACD;;AAED,SAAK5B,OAAL,CAAa3mB,IAAI,CAAC5P,IAAlB,IAA0B9B,SAA1B;AACA,SAAKwtB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,UAAI,EAAEC,oBAAU,CAACg7B,aAAnB;AAAkC96B,aAAO,EAAEC,sBAAY,CAACo8B,eAAxD;AAAyEl8B,WAAK,EAAE,KAAhF;AAAuFsP,UAAI,EAAEgnB,OAAO,CAAChnB,IAArG;AAA2GonB,cAAQ,EAAEA,QAArH;AAA+HwC,oBAAc,EAAEA;AAA/I,KAA9B;AACD,G;;SAEDD,W,GAAA,qBAAatX,KAAb,EAAoB2U,OAApB,EAA6B4C,cAA7B,EAAoD;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AAClD,QAAM5pB,IAAI,GAAGgnB,OAAO,CAAChnB,IAArB;AACA,QAAI2e,MAAM,GAAG3e,IAAI,CAAC2e,MAAlB;;AACA,QAAIA,MAAJ,EAAY;AACVA,YAAM,CAAC4J,KAAP;AACD;;AAED,SAAK5B,OAAL,CAAa3mB,IAAI,CAAC5P,IAAlB,IAA0B9B,SAA1B;AACA,SAAKwtB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,UAAI,EAAEC,oBAAU,CAACg7B,aAAnB;AAAkC96B,aAAO,EAAEC,sBAAY,CAACq8B,iBAAxD;AAA2En8B,WAAK,EAAE,KAAlF;AAAyFsP,UAAI,EAAEgnB,OAAO,CAAChnB,IAAvG;AAA6G4pB,oBAAc,EAAEA;AAA7H,KAA9B;AACD,G,CAED;;;SACA+C,Y,GAAA,sBAActa,KAAd,EAAqB2U,OAArB,EAA8B/9B,IAA9B,EAAoC2gC,cAApC,EAA2D;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AAAE;AAC3D,QAAI5pB,IAAI,GAAGgnB,OAAO,CAAChnB,IAAnB;AACAA,QAAI,CAACqsB,MAAL,GAAcha,KAAK,CAACga,MAApB;AACA,SAAKvQ,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAAC8qB,kBAAvB,EAA2C;AAAEhb,UAAI,EAAEA,IAAR;AAAcqS,WAAK,EAAEA,KAArB;AAA4BuX,oBAAc,EAAEA;AAA5C,KAA3C;AACD,G;;;EAvG0B/N,a;;AA0GdkQ,kFAAf,E;;;;ACnHA;;;AAIA;AACA;AACA;AACA;;IAaMe,oB;;;;;AAKJ,qBAAahR,GAAb,EAAuB;AAAA;;AACrB,qCAAMA,GAAN,EAAW5rB,iBAAK,CAACsrB,WAAjB;AADqB,UAJhBmL,OAIgB,GAJN,EAIM;AAAA,UAHhBoG,UAGgB,GAHgB,IAGhB;AAAA,UAFhBC,UAEgB,GAFY,IAEZ;AAAA;AAEtB;;;;SAED3+B,O,GAAA,mBAAiB;AACf,SAAK,IAAM29B,UAAX,IAAyB,KAAKrF,OAA9B,EAAuC;AACrC,UAAIhI,MAAM,GAAG,KAAKgI,OAAL,CAAaqF,UAAb,CAAb;;AACA,UAAIrN,MAAJ,EAAY;AACVA,cAAM,CAACtwB,OAAP;AACD;AACF;;AACD,SAAKs4B,OAAL,GAAe,EAAf;;AAEA,4BAAMt4B,OAAN;AACD,G;;SAED4+B,Y,GAAA,sBAAchkC,IAAd,EAAyC;AAAA,QAC/B+W,IAD+B,GACtB/W,IADsB,CAC/B+W,IAD+B;AAEvC,QAAM5P,IAAI,GAAG4P,IAAI,CAAC5P,IAAlB;AACA,QAAMuuB,MAAM,GAAG,KAAKgI,OAAL,CAAav2B,IAAb,CAAf;;AACA,QAAI,CAAC4P,IAAI,CAAClG,WAAV,EAAuB;AACrBzK,sBAAM,CAACgN,IAAP,CAAY,qDAAZ;AACA;AACD,KAPsC,CASvC;;;AACA,QAAMmjB,GAAG,GAAGxf,IAAI,CAAClG,WAAL,CAAiB0lB,GAA7B;;AACA,QAAIA,GAAG,KAAK,KAAKwN,UAAb,IAA2B,KAAKD,UAAL,KAAoB,IAAnD,EAAyD;AACvD,UAAIp+B,MAAM,GAAG,KAAKmtB,GAAL,CAASntB,MAAtB;;AACA,UAAIgwB,MAAJ,EAAY;AACVtvB,wBAAM,CAACgN,IAAP,yCAAkDjM,IAAlD;AACAuuB,cAAM,CAAC4J,KAAP;AACD;;AACD,UAAI,CAAC/I,GAAL,EAAU;AACRnwB,wBAAM,CAACgN,IAAP,CAAY,kBAAZ;AACA;AACD;;AAED2D,UAAI,CAAC2e,MAAL,GAAc,KAAKgI,OAAL,CAAav2B,IAAb,IAAqB,IAAIzB,MAAM,CAACgwB,MAAX,CAAkBhwB,MAAlB,CAAnC;AACA,WAAKq+B,UAAL,GAAkBxN,GAAlB;AACA,WAAKuN,UAAL,GAAkB,IAAlB;AAEA,UAAMzE,aAA+B,GAAG;AACtClT,WAAG,EAAEoK,GADiC;AAEtCxf,YAAI,EAAEA,IAFgC;AAGtCioB,oBAAY,EAAE;AAHwB,OAAxC,CAfuD,CAqBvD;AACA;AACA;;AACA,UAAMmB,YAAiC,GAAG;AACxCX,eAAO,EAAE95B,MAAM,CAAC69B,kBADwB;AAExChE,gBAAQ,EAAE,CAF8B;AAGxCE,kBAAU,EAAE/5B,MAAM,CAACu+B,qBAHqB;AAIxCvE,qBAAa,EAAEh6B,MAAM,CAAC89B;AAJkB,OAA1C;AAOA,UAAMpD,eAAkD,GAAG;AACzDC,iBAAS,EAAE,KAAKC,WAAL,CAAiBnwB,IAAjB,CAAsB,IAAtB,CAD8C;AAEzDowB,eAAO,EAAE,KAAKC,SAAL,CAAerwB,IAAf,CAAoB,IAApB,CAFgD;AAGzDswB,iBAAS,EAAE,KAAKC,WAAL,CAAiBvwB,IAAjB,CAAsB,IAAtB;AAH8C,OAA3D;AAMA4G,UAAI,CAAC2e,MAAL,CAAYoJ,IAAZ,CAAiBO,aAAjB,EAAgCc,YAAhC,EAA8CC,eAA9C;AACD,KAtCD,MAsCO,IAAI,KAAK0D,UAAT,EAAqB;AAC1B;AACA/sB,UAAI,CAAClG,WAAL,CAAiB5Q,GAAjB,GAAuB,KAAK6jC,UAA5B;AACA,WAAKjR,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACurB,UAAvB,EAAmC;AAAEzb,YAAI,EAAEA;AAAR,OAAnC;AACD;AACF,G;;SAEDupB,W,GAAA,qBAAanC,QAAb,EAAuC/U,KAAvC,EAA2D2U,OAA3D,EAAsF;AACpF,QAAIhnB,IAAI,GAAGgnB,OAAO,CAAChnB,IAAnB;;AACA,QAAI,CAACA,IAAI,CAAClG,WAAV,EAAuB;AACrBzK,sBAAM,CAACU,KAAP,CAAa,mCAAb;AACA;AACD;;AACD,SAAKg9B,UAAL,GAAkB/sB,IAAI,CAAClG,WAAL,CAAiB5Q,GAAjB,GAAuB,IAAIyN,UAAJ,CAAeywB,QAAQ,CAACn+B,IAAxB,CAAzC,CANoF,CAQpF;;AACA+W,QAAI,CAAC2e,MAAL,GAAcrwB,SAAd;AACA,WAAO,KAAKq4B,OAAL,CAAa3mB,IAAI,CAAC5P,IAAlB,CAAP;AACA,SAAK0rB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACurB,UAAvB,EAAmC;AAAEzb,UAAI,EAAEA;AAAR,KAAnC;AACD,G;;SAEDypB,S,GAAA,mBAAWrC,QAAX,EAAqCJ,OAArC,EAAgE;AAC9D,QAAIhnB,IAAI,GAAGgnB,OAAO,CAAChnB,IAAnB;AACA,QAAI2e,MAAM,GAAG3e,IAAI,CAAC2e,MAAlB;;AACA,QAAIA,MAAJ,EAAY;AACVA,YAAM,CAAC4J,KAAP;AACD;;AAED,WAAO,KAAK5B,OAAL,CAAa3mB,IAAI,CAAC5P,IAAlB,CAAP;AACA,SAAK0rB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,UAAI,EAAEC,oBAAU,CAACg7B,aAAnB;AAAkC96B,aAAO,EAAEC,sBAAY,CAAC28B,cAAxD;AAAwEz8B,WAAK,EAAE,KAA/E;AAAsFsP,UAAI,EAAJA,IAAtF;AAA4FonB,cAAQ,EAARA;AAA5F,KAA9B;AACD,G;;SAEDuC,W,GAAA,qBAAatX,KAAb,EAAiC2U,OAAjC,EAA4D;AAC1D,QAAIhnB,IAAI,GAAGgnB,OAAO,CAAChnB,IAAnB;AACA,QAAI2e,MAAM,GAAG3e,IAAI,CAAC2e,MAAlB;;AACA,QAAIA,MAAJ,EAAY;AACVA,YAAM,CAAC4J,KAAP;AACD;;AAED,WAAO,KAAK5B,OAAL,CAAa3mB,IAAI,CAAC5P,IAAlB,CAAP;AACA,SAAK0rB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,UAAI,EAAEC,oBAAU,CAACg7B,aAAnB;AAAkC96B,aAAO,EAAEC,sBAAY,CAAC48B,gBAAxD;AAA0E18B,WAAK,EAAE,KAAjF;AAAwFsP,UAAI,EAAJA;AAAxF,KAA9B;AACD,G;;;EA/GqB6b,a;;AAkHTiR,mEAAf,E;;;;;;ACtIA;AACA;AAEO,IAAMO,aAAa,GAAG;AAC3BC,YAAU,EAAE,YADe;AAE3BC,WAAS,EAAE,WAFgB;AAG3BC,SAAO,EAAE,SAHkB;AAI3BC,IAAE,EAAE;AAJuB,CAAtB;AAOA,IAAMC,gCAAb;AAAA;AAAA;AAAA;;AACE,2BAAa5R,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACE5rB,iBAAK,CAACqpB,eADR,EAEErpB,iBAAK,CAACirB,aAFR,EAGEjrB,iBAAK,CAACgrB,WAHR;AAMA,UAAKyS,aAAL,GAAqB,GAArB;AAEA,UAAK9N,SAAL,GAAiB9S,MAAM,CAAC6gB,MAAP,CAAc,IAAd,CAAjB;AACA,UAAKC,UAAL,GAAkB9gB,MAAM,CAAC6gB,MAAP,CAAc,IAAd,CAAlB;AAEA,UAAKj/B,MAAL,GAAcmtB,GAAG,CAACntB,MAAlB;AAZgB;AAajB;;AAdH;;AAAA,SAgBEN,OAhBF,GAgBE,mBAAW;AACT,SAAKwxB,SAAL,GAAiB9S,MAAM,CAAC6gB,MAAP,CAAc,IAAd,CAAjB;AACA,SAAKC,UAAL,GAAkB9gB,MAAM,CAAC6gB,MAAP,CAAc,IAAd,CAAlB;AACA,SAAKj/B,MAAL,GAAc,IAAd;AACAktB,iBAAY,CAACrT,SAAb,CAAuBna,OAAvB,CAA+Boa,IAA/B,CAAoC,IAApC;;AACA,4BAAMpa,OAAN;AACD;AAED;;;;;;;AAxBF;;AAAA,SA+BEy/B,eA/BF,GA+BE,yBAAiBr3B,QAAjB,EAA2Bi0B,SAA3B,EAAsC;AACpC,QAAM7K,SAAS,GAAG,KAAKA,SAAvB;AACA,QAAMkO,aAAa,GAAGhhB,MAAM,CAACC,IAAP,CAAY6S,SAAZ,EAAuBvP,MAAvB,CAA8B,UAAApnB,GAAG,EAAI;AACzD,UAAM8kC,cAAc,GAAGnO,SAAS,CAAC32B,GAAD,CAAhC;;AACA,UAAI8kC,cAAc,CAACC,IAAf,CAAoB79B,IAApB,KAA6Bs6B,SAAjC,EAA4C;AAC1C,eAAO,KAAP;AACD;;AAED,UAAI,CAACsD,cAAc,CAACE,QAApB,EAA8B;AAC5B,eAAO,KAAP;AACD;;AAED,UAAMluB,IAAI,GAAGguB,cAAc,CAACC,IAA5B;AACA,aAAOjuB,IAAI,CAACgM,QAAL,IAAiBvV,QAAjB,IAA6BA,QAAQ,IAAIuJ,IAAI,CAAC+L,MAArD;AACD,KAZqB,CAAtB;;AAaA,QAAIgiB,aAAa,CAAC/hC,MAAd,KAAyB,CAA7B,EAAgC;AAC9B,aAAO,IAAP;AACD,KAFD,MAEO;AACL;AACA,UAAMmiC,eAAe,GAAGJ,aAAa,CAAC7H,GAAd,EAAxB;AACA,aAAOrG,SAAS,CAACsO,eAAD,CAAT,CAA2BF,IAAlC;AACD;AACF;AAED;;;;;;;AAvDF;;AAAA,SA8DEG,sBA9DF,GA8DE,gCAAwBC,gBAAxB,EAA0CC,SAA1C,EAAqD;AAAA;;AACnD,QAAIC,aAAJ,EAAmBC,IAAnB,CADmD,CAEnD;;AACAzhB,UAAM,CAACC,IAAP,CAAY,KAAK6S,SAAjB,EAA4Bpe,OAA5B,CAAoC,UAAAvY,GAAG,EAAI;AACzC,UAAM8kC,cAAc,GAAG,MAAI,CAACnO,SAAL,CAAe32B,GAAf,CAAvB;;AACA,UAAI8kC,cAAc,CAACE,QAAf,KAA4B,IAAhC,EAAsC;AACpC,YAAMO,MAAM,GAAGT,cAAc,CAACU,KAAf,CAAqBL,gBAArB,CAAf;;AACA,YAAII,MAAJ,EAAY;AACVF,uBAAa,GAAGE,MAAM,CAACD,IAAvB;;AACA,eAAK,IAAI7jC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG4jC,aAAa,CAACviC,MAAlC,EAA0CrB,CAAC,EAA3C,EAA+C;AAC7C6jC,gBAAI,GAAGD,aAAa,CAAC5jC,CAAD,CAApB;;AAEA,gBAAI,MAAI,CAACgkC,cAAL,CAAoBH,IAAI,CAACxiB,QAAzB,EAAmCwiB,IAAI,CAACziB,MAAxC,EAAgDuiB,SAAhD,MAA+D,KAAnE,EAA0E;AACxE;AACA,oBAAI,CAACM,cAAL,CAAoBZ,cAAc,CAACC,IAAnC;;AACA;AACD;AACF;AACF;AACF;AACF,KAjBD;AAkBD;AAED;;;;;AArFF;;AAAA,SA0FEY,sBA1FF,GA0FE,gCAAwBzW,QAAxB,EAAkC;AAAA;;AAChC,QAAI0W,OAAO,GAAG,KAAKC,cAAL,CAAoB3W,QAApB,CAAd;AACA,QAAI4V,cAAc,GAAG,KAAKnO,SAAL,CAAeiP,OAAf,CAArB;;AACA,QAAId,cAAJ,EAAoB;AAClBA,oBAAc,CAACE,QAAf,GAA0B,IAA1B;AAEAnhB,YAAM,CAACC,IAAP,CAAY,KAAK6gB,UAAjB,EAA6BpsB,OAA7B,CAAqC,UAAA4sB,gBAAgB,EAAI;AACvD,YAAIjW,QAAQ,CAAC+G,mBAAT,CAA6BkP,gBAA7B,CAAJ,EAAoD;AAClD,cAAIC,SAAS,GAAG,MAAI,CAACT,UAAL,CAAgBQ,gBAAhB,CAAhB,CADkD,CAElD;AACA;;AACAL,wBAAc,CAACU,KAAf,CAAqBL,gBAArB,IAAyC,MAAI,CAACW,gBAAL,CAAsB5W,QAAQ,CAACpM,QAA/B,EAAyCoM,QAAQ,CAACrM,MAAlD,EAA0DuiB,SAA1D,CAAzC;AACD;AACF,OAPD;AAQD;AACF,GAzGH;;AAAA,SA2GEU,gBA3GF,GA2GE,0BAAkBhjB,QAAlB,EAA4BD,MAA5B,EAAoCuiB,SAApC,EAA+C;AAC7C,QAAIC,aAAa,GAAG,EAApB;AACA,QAAIrc,SAAJ,EAAeC,OAAf;AACA,QAAI8c,eAAe,GAAG,KAAtB;;AACA,SAAK,IAAItkC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG2jC,SAAS,CAACtiC,MAA9B,EAAsCrB,CAAC,EAAvC,EAA2C;AACzCunB,eAAS,GAAGoc,SAAS,CAACnxB,KAAV,CAAgBxS,CAAhB,IAAqB,KAAKgjC,aAAtC;AACAxb,aAAO,GAAGmc,SAAS,CAACvd,GAAV,CAAcpmB,CAAd,IAAmB,KAAKgjC,aAAlC;;AACA,UAAI3hB,QAAQ,IAAIkG,SAAZ,IAAyBnG,MAAM,IAAIoG,OAAvC,EAAgD;AAC9C;AACA;AACAoc,qBAAa,CAACl7B,IAAd,CAAmB;AACjB2Y,kBAAQ,EAAEnV,IAAI,CAAC+U,GAAL,CAASI,QAAT,EAAmBsiB,SAAS,CAACnxB,KAAV,CAAgBxS,CAAhB,CAAnB,CADO;AAEjBohB,gBAAM,EAAElV,IAAI,CAACC,GAAL,CAASiV,MAAT,EAAiBuiB,SAAS,CAACvd,GAAV,CAAcpmB,CAAd,CAAjB;AAFS,SAAnB;AAIA;AACD,OARD,MAQO,IAAIqhB,QAAQ,GAAGmG,OAAX,IAAsBpG,MAAM,GAAGmG,SAAnC,EAA8C;AACnD;AACA;AACAqc,qBAAa,CAACl7B,IAAd,CAAmB;AACjB2Y,kBAAQ,EAAEnV,IAAI,CAAC+U,GAAL,CAASI,QAAT,EAAmBsiB,SAAS,CAACnxB,KAAV,CAAgBxS,CAAhB,CAAnB,CADO;AAEjBohB,gBAAM,EAAElV,IAAI,CAACC,GAAL,CAASiV,MAAT,EAAiBuiB,SAAS,CAACvd,GAAV,CAAcpmB,CAAd,CAAjB;AAFS,SAAnB;AAIAskC,uBAAe,GAAG,IAAlB;AACD,OARM,MAQA,IAAIljB,MAAM,IAAImG,SAAd,EAAyB;AAC9B;AACA;AACD;AACF;;AAED,WAAO;AACLsc,UAAI,EAAED,aADD;AAELW,aAAO,EAAED;AAFJ,KAAP;AAID,GA5IH;;AAAA,SA8IEF,cA9IF,GA8IE,wBAAgB3W,QAAhB,EAA0B;AACxB,WAAUA,QAAQ,CAAChoB,IAAnB,SAA2BgoB,QAAQ,CAACqG,KAApC,SAA6CrG,QAAQ,CAACoG,KAAtD,SAA+DpG,QAAQ,CAACtP,EAAxE;AACD;AAED;;;;;AAlJF;;AAAA,SAuJEqmB,kBAvJF,GAuJE,4BAAoBX,IAApB,EAA0B;AAAA;;AACxB,QAAIY,WAAJ,EAAiBld,SAAjB,EAA4BC,OAA5B;AACA,QAAIkd,YAAY,GAAG,IAAnB;AACA,QAAIC,WAAW,GAAG,CAAlB;AACAviB,UAAM,CAACC,IAAP,CAAY,KAAK6S,SAAjB,EAA4Bpe,OAA5B,CAAoC,UAAAvY,GAAG,EAAI;AACzC,UAAM8kC,cAAc,GAAG,MAAI,CAACnO,SAAL,CAAe32B,GAAf,CAAvB;;AACA,UAAI,MAAI,CAACqmC,SAAL,CAAevB,cAAf,CAAJ,EAAoC;AAClC9b,iBAAS,GAAG8b,cAAc,CAACC,IAAf,CAAoBjiB,QAApB,GAA+B,MAAI,CAAC2hB,aAAhD;AACAxb,eAAO,GAAG6b,cAAc,CAACC,IAAf,CAAoBliB,MAApB,GAA6B,MAAI,CAAC4hB,aAA5C;;AACA,YAAIa,IAAI,IAAItc,SAAR,IAAqBsc,IAAI,IAAIrc,OAAjC,EAA0C;AACxC;AACAid,qBAAW,GAAGv4B,IAAI,CAACC,GAAL,CAAS03B,IAAI,GAAGtc,SAAhB,EAA2BC,OAAO,GAAGqc,IAArC,CAAd;;AACA,cAAIc,WAAW,IAAIF,WAAnB,EAAgC;AAC9BC,wBAAY,GAAGrB,cAAc,CAACC,IAA9B;AACAqB,uBAAW,GAAGF,WAAd;AACD;AACF;AACF;AACF,KAdD;AAeA,WAAOC,YAAP;AACD;AAED;;;;AA7KF;;AAAA,SAiLEG,QAjLF,GAiLE,kBAAUpX,QAAV,EAAoB;AAClB,QAAI0W,OAAO,GAAG,KAAKC,cAAL,CAAoB3W,QAApB,CAAd;AACA,QAAI4V,cAAc,GAAG,KAAKnO,SAAL,CAAeiP,OAAf,CAArB;AACA,QAAIlrB,KAAK,GAAGypB,aAAa,CAACC,UAA1B;;AAEA,QAAIU,cAAc,KAAK1/B,SAAvB,EAAkC;AAChC,UAAI,CAAC0/B,cAAc,CAACE,QAApB,EAA8B;AAC5BtqB,aAAK,GAAGypB,aAAa,CAACE,SAAtB;AACD,OAFD,MAEO,IAAI,KAAKgC,SAAL,CAAevB,cAAf,MAAmC,IAAvC,EAA6C;AAClDpqB,aAAK,GAAGypB,aAAa,CAACG,OAAtB;AACD,OAFM,MAEA;AACL5pB,aAAK,GAAGypB,aAAa,CAACI,EAAtB;AACD;AACF;;AAED,WAAO7pB,KAAP;AACD,GAjMH;;AAAA,SAmME2rB,SAnMF,GAmME,mBAAWvB,cAAX,EAA2B;AACzB,WAAOA,cAAc,CAACE,QAAf,KAA4B,IAA5B,KACHF,cAAc,CAACU,KAAf,CAAqBhzB,KAArB,KAA+BpN,SAA/B,IAA4C0/B,cAAc,CAACU,KAAf,CAAqBhzB,KAArB,CAA2BwzB,OAA3B,KAAuC,IAApF,IACElB,cAAc,CAACU,KAAf,CAAqB/yB,KAArB,KAA+BrN,SAA/B,IAA4C0/B,cAAc,CAACU,KAAf,CAAqB/yB,KAArB,CAA2BuzB,OAA3B,KAAuC,IAFjF,CAAP;AAGD,GAvMH;;AAAA,SAyMEP,cAzMF,GAyME,wBAAgB3iB,QAAhB,EAA0BD,MAA1B,EAAkCuiB,SAAlC,EAA6C;AAC3C,QAAIpc,SAAJ,EAAeC,OAAf;;AACA,SAAK,IAAIxnB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG2jC,SAAS,CAACtiC,MAA9B,EAAsCrB,CAAC,EAAvC,EAA2C;AACzCunB,eAAS,GAAGoc,SAAS,CAACnxB,KAAV,CAAgBxS,CAAhB,IAAqB,KAAKgjC,aAAtC;AACAxb,aAAO,GAAGmc,SAAS,CAACvd,GAAV,CAAcpmB,CAAd,IAAmB,KAAKgjC,aAAlC;;AACA,UAAI3hB,QAAQ,IAAIkG,SAAZ,IAAyBnG,MAAM,IAAIoG,OAAvC,EAAgD;AAC9C,eAAO,IAAP;AACD;;AAED,UAAIpG,MAAM,IAAImG,SAAd,EAAyB;AACvB;AACA,eAAO,KAAP;AACD;AACF;;AAED,WAAO,KAAP;AACD;AAED;;;AA3NF;;AAAA,SA8NEud,YA9NF,GA8NE,sBAAczgC,CAAd,EAAiB;AACf,QAAMopB,QAAQ,GAAGppB,CAAC,CAACgR,IAAnB,CADe,CAEf;AACA;;AACA,QAAI,CAAC,0CAAgBoY,QAAQ,CAACtP,EAAzB,CAAD,IAAiCsP,QAAQ,CAACsX,WAA9C,EAA2D;AACzD;AACD;;AAED,SAAK7P,SAAL,CAAe,KAAKkP,cAAL,CAAoB3W,QAApB,CAAf,IAAgD;AAC9C6V,UAAI,EAAE7V,QADwC;AAE9CsW,WAAK,EAAE3hB,MAAM,CAAC6gB,MAAP,CAAc,IAAd,CAFuC;AAG9CM,cAAQ,EAAE;AAHoC,KAAhD;AAKD;AAED;;;AA7OF;;AAAA,SAgPEyB,gBAhPF,GAgPE,0BAAkB3gC,CAAlB,EAAqB;AAAA;;AACnB;AACA,SAAK6+B,UAAL,GAAkB7+B,CAAC,CAAC6+B,UAApB;AACA9gB,UAAM,CAACC,IAAP,CAAY,KAAK6gB,UAAjB,EAA6BpsB,OAA7B,CAAqC,UAAA4sB,gBAAgB,EAAI;AACvD,UAAIC,SAAS,GAAG,MAAI,CAACT,UAAL,CAAgBQ,gBAAhB,CAAhB;;AACA,YAAI,CAACD,sBAAL,CAA4BC,gBAA5B,EAA8CC,SAA9C;AACD,KAHD;AAID;AAED;;;AAzPF;;AAAA,SA4PEsB,cA5PF,GA4PE,wBAAgB5gC,CAAhB,EAAmB;AACjB,SAAK6/B,sBAAL,CAA4B7/B,CAAC,CAACgR,IAA9B;AACD;AAED;;;;;AAhQF;;AAAA,SAqQE6vB,WArQF,GAqQE,qBAAazX,QAAb,EAAuB;AACrB,QAAM0W,OAAO,GAAG,KAAKC,cAAL,CAAoB3W,QAApB,CAAhB;AACA,WAAO,KAAKyH,SAAL,CAAeiP,OAAf,MAA4BxgC,SAAnC;AACD;AAED;;;;AA1QF;;AAAA,SA8QEsgC,cA9QF,GA8QE,wBAAgBxW,QAAhB,EAA0B;AACxB,QAAI0W,OAAO,GAAG,KAAKC,cAAL,CAAoB3W,QAApB,CAAd;AACA,WAAO,KAAKyH,SAAL,CAAeiP,OAAf,CAAP;AACD;AAED;;;AAnRF;;AAAA,SAsREgB,kBAtRF,GAsRE,8BAAsB;AACpB,SAAKjQ,SAAL,GAAiB9S,MAAM,CAAC6gB,MAAP,CAAc,IAAd,CAAjB;AACD,GAxRH;;AAAA;AAAA,EAAqC/R,aAArC,E;;ACRA,IAAMkU,YAAY,GAAG;AAEnB;;;;;;;;;;;;;;;AAeAC,QAAM,EAAE,gBAAaC,IAAb,EAAwBC,YAAxB,EAA2E;AACjF,QAAIC,QAAgB,GAAG,CAAvB;AACA,QAAIC,QAAgB,GAAGH,IAAI,CAACjkC,MAAL,GAAc,CAArC;AACA,QAAIqkC,YAA2B,GAAG,IAAlC;AACA,QAAIC,cAAwB,GAAG,IAA/B;;AAEA,WAAOH,QAAQ,IAAIC,QAAnB,EAA6B;AAC3BC,kBAAY,GAAG,CAACF,QAAQ,GAAGC,QAAZ,IAAwB,CAAxB,GAA4B,CAA3C;AACAE,oBAAc,GAAGL,IAAI,CAACI,YAAD,CAArB;AAEA,UAAIE,gBAAgB,GAAGL,YAAY,CAACI,cAAD,CAAnC;;AACA,UAAIC,gBAAgB,GAAG,CAAvB,EAA0B;AACxBJ,gBAAQ,GAAGE,YAAY,GAAG,CAA1B;AACD,OAFD,MAEO,IAAIE,gBAAgB,GAAG,CAAvB,EAA0B;AAC/BH,gBAAQ,GAAGC,YAAY,GAAG,CAA1B;AACD,OAFM,MAEA;AACL,eAAOC,cAAP;AACD;AACF;;AAED,WAAO,IAAP;AACD;AAtCkB,CAArB;AAyCeP,8DAAf,E;;AC3CA;;;;;;;;;AAmBO,IAAMS,YAAb;AAAA;AAAA;AAAA;;AACE;;;;;;AADF,eAOSC,UAPT,GAOE,oBAAmBrM,KAAnB,EAAsC3tB,QAAtC,EAAiE;AAC/D,QAAI;AACF,UAAI2tB,KAAJ,EAAW;AACT,YAAI8J,QAAQ,GAAG9J,KAAK,CAAC8J,QAArB;;AACA,aAAK,IAAIvjC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGujC,QAAQ,CAACliC,MAA7B,EAAqCrB,CAAC,EAAtC,EAA0C;AACxC,cAAI8L,QAAQ,IAAIy3B,QAAQ,CAAC/wB,KAAT,CAAexS,CAAf,CAAZ,IAAiC8L,QAAQ,IAAIy3B,QAAQ,CAACnd,GAAT,CAAapmB,CAAb,CAAjD,EAAkE;AAChE,mBAAO,IAAP;AACD;AACF;AACF;AACF,KATD,CASE,OAAOoF,KAAP,EAAc,CACd;AACA;AACA;AACD;;AACD,WAAO,KAAP;AACD,GAvBH;;AAAA,eAyBS2gC,UAzBT,GAyBE,oBACEtM,KADF,EAEE9gB,GAFF,EAGEqtB,eAHF,EASE;AACA,QAAI;AACF,UAAIvM,KAAJ,EAAW;AACT,YAAIwM,SAAS,GAAGxM,KAAK,CAAC8J,QAAtB;AACA,YAAIA,QAA2B,GAAG,EAAlC;AACA,YAAIvjC,CAAJ;;AACA,aAAKA,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGimC,SAAS,CAAC5kC,MAA1B,EAAkCrB,CAAC,EAAnC,EAAuC;AACrCujC,kBAAQ,CAAC76B,IAAT,CAAc;AAAE8J,iBAAK,EAAEyzB,SAAS,CAACzzB,KAAV,CAAgBxS,CAAhB,CAAT;AAA6BomB,eAAG,EAAE6f,SAAS,CAAC7f,GAAV,CAAcpmB,CAAd;AAAlC,WAAd;AACD;;AAED,eAAO,KAAKkmC,YAAL,CAAkB3C,QAAlB,EAA4B5qB,GAA5B,EAAiCqtB,eAAjC,CAAP;AACD;AACF,KAXD,CAWE,OAAO5gC,KAAP,EAAc,CACd;AACA;AACA;AACD;;AACD,WAAO;AAAEmE,SAAG,EAAE,CAAP;AAAUiJ,WAAK,EAAEmG,GAAjB;AAAsByN,SAAG,EAAEzN,GAA3B;AAAgCwtB,eAAS,EAAExiC;AAA3C,KAAP;AACD,GApDH;;AAAA,eAsDSuiC,YAtDT,GAsDE,sBACE3C,QADF,EAEE5qB,GAFF,EAGEqtB,eAHF,EASE;AACA;AACAzC,YAAQ,CAACrgB,IAAT,CAAc,UAAUC,CAAV,EAAahM,CAAb,EAAgB;AAC5B,UAAIivB,IAAI,GAAGjjB,CAAC,CAAC3Q,KAAF,GAAU2E,CAAC,CAAC3E,KAAvB;;AACA,UAAI4zB,IAAJ,EAAU;AACR,eAAOA,IAAP;AACD,OAFD,MAEO;AACL,eAAOjvB,CAAC,CAACiP,GAAF,GAAQjD,CAAC,CAACiD,GAAjB;AACD;AACF,KAPD;AASA,QAAIigB,SAA4B,GAAG,EAAnC;;AACA,QAAIL,eAAJ,EAAqB;AACnB;AACA;AACA;AACA,WAAK,IAAIhmC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGujC,QAAQ,CAACliC,MAA7B,EAAqCrB,CAAC,EAAtC,EAA0C;AACxC,YAAIsmC,OAAO,GAAGD,SAAS,CAAChlC,MAAxB;;AACA,YAAIilC,OAAJ,EAAa;AACX,cAAIC,OAAO,GAAGF,SAAS,CAACC,OAAO,GAAG,CAAX,CAAT,CAAuBlgB,GAArC,CADW,CAEX;;AACA,cAAKmd,QAAQ,CAACvjC,CAAD,CAAR,CAAYwS,KAAZ,GAAoB+zB,OAArB,GAAgCP,eAApC,EAAqD;AACnD;AACA;AACA;AACA;AACA,gBAAIzC,QAAQ,CAACvjC,CAAD,CAAR,CAAYomB,GAAZ,GAAkBmgB,OAAtB,EAA+B;AAC7BF,uBAAS,CAACC,OAAO,GAAG,CAAX,CAAT,CAAuBlgB,GAAvB,GAA6Bmd,QAAQ,CAACvjC,CAAD,CAAR,CAAYomB,GAAzC;AACD;AACF,WARD,MAQO;AACL;AACAigB,qBAAS,CAAC39B,IAAV,CAAe66B,QAAQ,CAACvjC,CAAD,CAAvB;AACD;AACF,SAfD,MAeO;AACL;AACAqmC,mBAAS,CAAC39B,IAAV,CAAe66B,QAAQ,CAACvjC,CAAD,CAAvB;AACD;AACF;AACF,KA1BD,MA0BO;AACLqmC,eAAS,GAAG9C,QAAZ;AACD;;AAED,QAAIiD,SAAS,GAAG,CAAhB,CA1CA,CA4CA;;AACA,QAAIC,eAAJ,CA7CA,CA+CA;;AACA,QAAIC,WAAmB,GAAG/tB,GAA1B;AACA,QAAIguB,SAAiB,GAAGhuB,GAAxB;;AACA,SAAK,IAAI3Y,EAAC,GAAG,CAAb,EAAgBA,EAAC,GAAGqmC,SAAS,CAAChlC,MAA9B,EAAsCrB,EAAC,EAAvC,EAA2C;AACzC,UAAIwS,KAAK,GAAG6zB,SAAS,CAACrmC,EAAD,CAAT,CAAawS,KAAzB;AAAA,UACE4T,GAAG,GAAGigB,SAAS,CAACrmC,EAAD,CAAT,CAAaomB,GADrB,CADyC,CAGzC;;AACA,UAAKzN,GAAG,GAAGqtB,eAAP,IAA2BxzB,KAA3B,IAAoCmG,GAAG,GAAGyN,GAA9C,EAAmD;AACjD;AACAsgB,mBAAW,GAAGl0B,KAAd;AACAm0B,iBAAS,GAAGvgB,GAAZ;AACAogB,iBAAS,GAAGG,SAAS,GAAGhuB,GAAxB;AACD,OALD,MAKO,IAAKA,GAAG,GAAGqtB,eAAP,GAA0BxzB,KAA9B,EAAqC;AAC1Ci0B,uBAAe,GAAGj0B,KAAlB;AACA;AACD;AACF;;AACD,WAAO;AAAEjJ,SAAG,EAAEi9B,SAAP;AAAkBh0B,WAAK,EAAEk0B,WAAzB;AAAsCtgB,SAAG,EAAEugB,SAA3C;AAAsDR,eAAS,EAAEM;AAAjE,KAAP;AACD,GAhIH,CAkIE;AACA;AACA;AApIF;;AAAA,eAqISG,6BArIT,GAqIE,uCAAqCnN,KAArC,EAA4C9gB,GAA5C,EAAiDkuB,sBAAjD,EAAyE;AACvE,QAAMC,WAAW,GAAGrN,KAAK,GAAGA,KAAK,CAACqN,WAAT,GAAuBnjC,SAAhD,CADuE,CAGvE;;AACA,QAAIkiC,YAAY,CAACC,UAAb,CAAwBrM,KAAxB,EAA+BqN,WAA/B,CAAJ,EAAiD;AAC/C,aAAOnuB,GAAP;AACD;;AAED,QAAM4qB,QAAQ,GAAG9J,KAAK,CAAC8J,QAAvB;;AACA,SAAK,IAAIvjC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGujC,QAAQ,CAACliC,MAA7B,EAAqCrB,CAAC,EAAtC,EAA0C;AACxC,UAAMwS,KAAK,GAAG+wB,QAAQ,CAAC/wB,KAAT,CAAexS,CAAf,CAAd,CADwC,CAGxC;;AACA,UAAIwS,KAAK,GAAGs0B,WAAR,IAAuBt0B,KAAK,GAAGs0B,WAAW,GAAGD,sBAAjD,EAAyE;AACvE,eAAO36B,IAAI,CAAC6C,IAAL,CAAUyD,KAAK,GAAG,EAAlB,IAAwB,EAA/B;AACD;AACF;;AAED,WAAOmG,GAAP;AACD,GAxJH;;AAAA;AAAA,I;;;;;;;;;;;ACnBA;;;AAIO,SAASouB,cAAT,GAA2D;AAChE,SAAQjL,MAAD,CAAgBxE,WAAhB,IAAgCwE,MAAD,CAAgBkL,iBAAtD;AACD,C;;;;;;;ACND;AAEA;;;;AAGO,IAAMC,QAAb;AAAA;AAAA;AAAA;;AAAA;AAAA;AAAA;;AAAA;;AACE;;;;;AADF,SAME3hC,OANF,GAME,iBAAS+iB,KAAT,EAAmD;AAAA,sCAAxB/pB,IAAwB;AAAxBA,UAAwB;AAAA;;AACjD,SAAKgqB,IAAL,cAAUD,KAAV,EAAiBA,KAAjB,SAA2B/pB,IAA3B;AACD,GARH;;AAAA;AAAA,EAA8B8pB,6BAA9B,E;;;ACLA;AACA;AAEA;AACA;AACA;AACA;AACA;AACA;CAIA;;AACA,IAAMxkB,MAAM,GAAGC,sCAAY,EAA3B,C,CAA+B;;AAC/B,IAAMyzB,mBAAW,GAAGyP,cAAc,MAAM;AAAExP,iBAAe,EAAE;AAAA,WAAM,KAAN;AAAA;AAAnB,CAAxC;;IAEM2P,e;;;AACJ,mBAAa/V,GAAb,EAAkB/nB,EAAlB,EAAsB;AAAA;;AACpB,SAAK+nB,GAAL,GAAWA,GAAX;AACA,SAAK/nB,EAAL,GAAUA,EAAV;AAEA,QAAMrF,QAAQ,GAAG,KAAKA,QAAL,GAAgB,IAAIkjC,QAAJ,EAAjC;AACA,QAAMjjC,MAAM,GAAGmtB,GAAG,CAACntB,MAAnB;;AAEA,QAAMykB,cAAc,GAAG,SAAjBA,cAAiB,CAACC,EAAD,EAAKpqB,IAAL,EAAc;AACnCA,UAAI,GAAGA,IAAI,IAAI,EAAf;AACAA,UAAI,CAAC+W,IAAL,GAAY,KAAI,CAACA,IAAjB;AACA/W,UAAI,CAAC8K,EAAL,GAAU,KAAI,CAACA,EAAf;AACA+nB,SAAG,CAAC7rB,OAAJ,CAAYojB,EAAZ,EAAgBpqB,IAAhB;AACD,KALD,CAPoB,CAcpB;;;AACAyF,YAAQ,CAACklB,EAAT,CAAY1jB,iBAAK,CAACkiB,cAAlB,EAAkCgB,cAAlC;AACA1kB,YAAQ,CAACklB,EAAT,CAAY1jB,iBAAK,CAAC+c,yBAAlB,EAA6CmG,cAA7C;AACA1kB,YAAQ,CAACklB,EAAT,CAAY1jB,iBAAK,CAAC6f,iBAAlB,EAAqCqD,cAArC;AACA1kB,YAAQ,CAACklB,EAAT,CAAY1jB,iBAAK,CAACoc,WAAlB,EAA+B8G,cAA/B;AACA1kB,YAAQ,CAACklB,EAAT,CAAY1jB,iBAAK,CAACC,KAAlB,EAAyBijB,cAAzB;AACA1kB,YAAQ,CAACklB,EAAT,CAAY1jB,iBAAK,CAACkhB,qBAAlB,EAAyCgC,cAAzC;AACA1kB,YAAQ,CAACklB,EAAT,CAAY1jB,iBAAK,CAACmhB,qBAAlB,EAAyC+B,cAAzC;AACA1kB,YAAQ,CAACklB,EAAT,CAAY1jB,iBAAK,CAAC4c,cAAlB,EAAkCsG,cAAlC;AAEA,QAAMrX,aAAa,GAAG;AACpB+1B,SAAG,EAAE7P,mBAAW,CAACC,eAAZ,CAA4B,WAA5B,CADe;AAEpBjjB,UAAI,EAAEgjB,mBAAW,CAACC,eAAZ,CAA4B,YAA5B,CAFc;AAGpBhjB,SAAG,EAAE+iB,mBAAW,CAACC,eAAZ,CAA4B,yBAA5B;AAHe,KAAtB,CAxBoB,CA6BpB;AACA;;AACA,QAAMjX,MAAM,GAAG9Z,SAAS,CAAC8Z,MAAzB;;AACA,QAAItc,MAAM,CAACojC,YAAP,IAAwB,OAAQC,MAAR,KAAoB,WAAhD,EAA8D;AAC5D3iC,sBAAM,CAACC,GAAP,CAAW,uBAAX;AACA,UAAI2iC,CAAJ;;AACA,UAAI;AACFA,SAAC,GAAG,KAAKA,CAAL,GAASC,kBAAI,CAACC,mBAAA,CAAgB,iEAAhB,CAAD,CAAjB;AACA,aAAKC,MAAL,GAAc,KAAKC,eAAL,CAAqBj5B,IAArB,CAA0B,IAA1B,CAAd;AACA64B,SAAC,CAAC1e,gBAAF,CAAmB,SAAnB,EAA8B,KAAK6e,MAAnC;;AACAH,SAAC,CAACK,OAAF,GAAY,UAAUtf,KAAV,EAAiB;AAC3B8I,aAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AAAEC,gBAAI,EAAEC,oBAAU,CAACusB,WAAnB;AAAgCrsB,mBAAO,EAAEC,sBAAY,CAACqsB,kBAAtD;AAA0EnsB,iBAAK,EAAE,IAAjF;AAAuFsiB,iBAAK,EAAE,eAA9F;AAA+GpjB,eAAG,EAAE;AAAEI,qBAAO,EAAEgjB,KAAK,CAAChjB,OAAN,GAAgB,IAAhB,GAAuBgjB,KAAK,CAACuf,QAA7B,GAAwC,GAAxC,GAA8Cvf,KAAK,CAACwf,MAApD,GAA6D;AAAxE;AAApH,WAAzB;AACD,SAFD;;AAGAP,SAAC,CAAC3e,WAAF,CAAc;AAAEE,aAAG,EAAE,MAAP;AAAezX,uBAAa,EAAEA,aAA9B;AAA6CkP,gBAAM,EAAEA,MAArD;AAA6DlX,YAAE,EAAEA,EAAjE;AAAqEpF,gBAAM,EAAE8kB,IAAI,CAACgf,SAAL,CAAe9jC,MAAf;AAA7E,SAAd;AACD,OARD,CAQE,OAAOiB,GAAP,EAAY;AACZP,wBAAM,CAACgN,IAAP,CAAY,kBAAZ,EAAgCzM,GAAhC;AACAP,wBAAM,CAACU,KAAP,CAAa,mEAAb;;AACA,YAAIkiC,CAAJ,EAAO;AACL;AACA1jC,gBAAM,CAACmkC,GAAP,CAAWC,eAAX,CAA2BV,CAAC,CAACW,SAA7B;AACD;;AACD,aAAK9gB,OAAL,GAAe,IAAID,yBAAJ,CAAkBnjB,QAAlB,EAA4BqN,aAA5B,EAA2CpN,MAA3C,EAAmDsc,MAAnD,CAAf;AACA,aAAKgnB,CAAL,GAAS3jC,SAAT;AACD;AACF,KArBD,MAqBO;AACL,WAAKwjB,OAAL,GAAe,IAAID,yBAAJ,CAAkBnjB,QAAlB,EAA4BqN,aAA5B,EAA2CpN,MAA3C,EAAmDsc,MAAnD,CAAf;AACD;AACF;;;;SAED5c,O,GAAA,mBAAW;AACT,QAAI4jC,CAAC,GAAG,KAAKA,CAAb;;AACA,QAAIA,CAAJ,EAAO;AACLA,OAAC,CAACY,mBAAF,CAAsB,SAAtB,EAAiC,KAAKT,MAAtC;AACAH,OAAC,CAACa,SAAF;AACA,WAAKb,CAAL,GAAS,IAAT;AACD,KAJD,MAIO;AACL,UAAIngB,OAAO,GAAG,KAAKA,OAAnB;;AACA,UAAIA,OAAJ,EAAa;AACXA,eAAO,CAACzjB,OAAR;AACA,aAAKyjB,OAAL,GAAe,IAAf;AACD;AACF;;AACD,QAAMpjB,QAAQ,GAAG,KAAKA,QAAtB;;AACA,QAAIA,QAAJ,EAAc;AACZA,cAAQ,CAACqkC,kBAAT;AACA,WAAKrkC,QAAL,GAAgB,IAAhB;AACD;AACF,G;;SAED2E,I,GAAA,cAAMpK,IAAN,EAAYyK,WAAZ,EAAyB7C,UAAzB,EAAqC8C,UAArC,EAAiDqM,IAAjD,EAAuDpM,QAAvD,EAAiEgB,kBAAjE,EAAqFqd,cAArF,EAAqG;AACnG,QAAMggB,CAAC,GAAG,KAAKA,CAAf;AACA,QAAMv9B,UAAU,GAAG,0CAAgBsL,IAAI,CAACgM,QAArB,IAAiChM,IAAI,CAACgM,QAAtC,GAAiDhM,IAAI,CAAC7C,KAAzE;AACA,QAAMrD,WAAW,GAAGkG,IAAI,CAAClG,WAAzB;AACA,QAAMk5B,QAAQ,GAAG,KAAKhzB,IAAtB;AACA,QAAM+R,aAAa,GAAG,EAAEihB,QAAQ,IAAKhzB,IAAI,CAACqe,EAAL,KAAY2U,QAAQ,CAAC3U,EAApC,CAAtB;AACA,QAAMrM,WAAW,GAAG,EAAEghB,QAAQ,IAAKhzB,IAAI,CAACye,KAAL,KAAeuU,QAAQ,CAACvU,KAAvC,CAApB;AACA,QAAMwU,MAAM,GAAGD,QAAQ,IAAKhzB,IAAI,CAAC8I,EAAL,KAAakqB,QAAQ,CAAClqB,EAAT,GAAc,CAAvD;AACA,QAAMnU,UAAU,GAAG,CAACqd,WAAD,IAAgBihB,MAAnC;;AACA,QAAIlhB,aAAJ,EAAmB;AACjB1iB,sBAAM,CAACC,GAAP,CAAc,KAAKyE,EAAnB;AACD;;AAED,QAAIie,WAAJ,EAAiB;AACf3iB,sBAAM,CAACC,GAAP,CAAc,KAAKyE,EAAnB;AACD;;AAED,SAAKiM,IAAL,GAAYA,IAAZ;;AACA,QAAIiyB,CAAJ,EAAO;AACL;AACAA,OAAC,CAAC3e,WAAF,CAAc;AAAEE,WAAG,EAAE,OAAP;AAAgBvqB,YAAI,EAAJA,IAAhB;AAAsB6Q,mBAAW,EAAXA,WAAtB;AAAmCpG,mBAAW,EAAXA,WAAnC;AAAgD7C,kBAAU,EAAVA,UAAhD;AAA4D8C,kBAAU,EAAVA,UAA5D;AAAwEe,kBAAU,EAAVA,UAAxE;AAAoFqd,qBAAa,EAAbA,aAApF;AAAmGC,mBAAW,EAAXA,WAAnG;AAAgHrd,kBAAU,EAAVA,UAAhH;AAA4Hf,gBAAQ,EAARA,QAA5H;AAAsIgB,0BAAkB,EAAlBA,kBAAtI;AAA0Jqd,sBAAc,EAAdA;AAA1J,OAAd,EAA0LhpB,IAAI,YAAYiqC,WAAhB,GAA8B,CAACjqC,IAAD,CAA9B,GAAuC,EAAjO;AACD,KAHD,MAGO;AACL,UAAI6oB,OAAO,GAAG,KAAKA,OAAnB;;AACA,UAAIA,OAAJ,EAAa;AACXA,eAAO,CAACze,IAAR,CAAapK,IAAb,EAAmB6Q,WAAnB,EAAgCpG,WAAhC,EAA6C7C,UAA7C,EAAyD8C,UAAzD,EAAqEe,UAArE,EAAiFqd,aAAjF,EAAgGC,WAAhG,EAA6Grd,UAA7G,EAAyHf,QAAzH,EAAmIgB,kBAAnI,EAAuJqd,cAAvJ;AACD;AACF;AACF,G;;SAEDogB,e,GAAA,yBAAiBhf,EAAjB,EAAqB;AACnB,QAAIpqB,IAAI,GAAGoqB,EAAE,CAACpqB,IAAd;AAAA,QACE6yB,GAAG,GAAG,KAAKA,GADb;;AAEA,YAAQ7yB,IAAI,CAAC+pB,KAAb;AACA,WAAK,MAAL;AACE;AACAzkB,cAAM,CAACmkC,GAAP,CAAWC,eAAX,CAA2B,KAAKV,CAAL,CAAOW,SAAlC;AACA;AACA;;AACF,WAAK1iC,iBAAK,CAAC6f,iBAAX;AACE9mB,YAAI,CAACA,IAAL,CAAUumB,KAAV,GAAkB,IAAI7Y,UAAJ,CAAe1N,IAAI,CAACumB,KAApB,CAAlB;;AACA,YAAIvmB,IAAI,CAACwmB,KAAT,EAAgB;AACdxmB,cAAI,CAACA,IAAL,CAAUwmB,KAAV,GAAkB,IAAI9Y,UAAJ,CAAe1N,IAAI,CAACwmB,KAApB,CAAlB;AACD;;AAED;;AACF;AACExmB,YAAI,CAACA,IAAL,GAAYA,IAAI,CAACA,IAAL,IAAa,EAAzB;AACAA,YAAI,CAACA,IAAL,CAAU+W,IAAV,GAAiB,KAAKA,IAAtB;AACA/W,YAAI,CAACA,IAAL,CAAU8K,EAAV,GAAe,KAAKA,EAApB;AACA+nB,WAAG,CAAC7rB,OAAJ,CAAYhH,IAAI,CAAC+pB,KAAjB,EAAwB/pB,IAAI,CAACA,IAA7B;AACA;AAlBF;AAoBD,G;;;;;AAGY4oC,iEAAf,E;;;;;;;ACtJA;;;;;;;;AASA;AAEO,SAASsB,UAAT,CAAqB1U,KAArB,EAA4BruB,IAA5B,EAAkC2D,EAAlC,EAAsC;AAC3C,UAAQ3D,IAAR;AACA,SAAK,OAAL;AACE,UAAI,CAACquB,KAAK,CAAC2U,aAAX,EAA0B;AACxB3U,aAAK,CAAC2U,aAAN,GAAsB,EAAtB;AACD;;AACD3U,WAAK,CAAC2U,aAAN,CAAoB//B,IAApB,CAAyBU,EAAzB;AACA;;AACF,SAAK,MAAL;AACE,UAAI,CAAC0qB,KAAK,CAAC4U,YAAX,EAAyB;AACvB5U,aAAK,CAAC4U,YAAN,GAAqB,EAArB;AACD;;AACD5U,WAAK,CAAC4U,YAAN,CAAmBhgC,IAAnB,CAAwBU,EAAxB;AACA;AAZF;AAcD;AAEM,SAASu/B,SAAT,CAAoBzT,SAApB,EAA+B0T,OAA/B,EAAwCC,KAAxC,EAA+C;AACpD,MAAIC,QAAQ,GAAG5T,SAAS,CAAC0T,OAAD,CAAxB;AAAA,MAAmCG,MAAM,GAAG7T,SAAS,CAAC2T,KAAD,CAArD;AAAA,MAA8DG,SAAS,GAAGD,MAAM,CAAC1nB,QAAjF,CADoD,CAEpD;;AACA,MAAI,0CAAgB2nB,SAAhB,CAAJ,EAAgC;AAC9B;AACA;AACA,QAAIH,KAAK,GAAGD,OAAZ,EAAqB;AACnBE,cAAQ,CAAC7/B,QAAT,GAAoB+/B,SAAS,GAAGF,QAAQ,CAACt2B,KAAzC;;AACA,UAAIs2B,QAAQ,CAAC7/B,QAAT,GAAoB,CAAxB,EAA2B;AACzBvE,wBAAM,CAACgN,IAAP,0CAAmDo3B,QAAQ,CAAC3qB,EAA5D,eAAwE2qB,QAAQ,CAAChV,KAAjF;AACD;AACF,KALD,MAKO;AACLiV,YAAM,CAAC9/B,QAAP,GAAkB6/B,QAAQ,CAACt2B,KAAT,GAAiBw2B,SAAnC;;AACA,UAAID,MAAM,CAAC9/B,QAAP,GAAkB,CAAtB,EAAyB;AACvBvE,wBAAM,CAACgN,IAAP,0CAAmDq3B,MAAM,CAAC5qB,EAA1D,eAAsE4qB,MAAM,CAACjV,KAA7E;AACD;AACF;AACF,GAdD,MAcO;AACL;AACA,QAAI+U,KAAK,GAAGD,OAAZ,EAAqB;AACnBG,YAAM,CAACv2B,KAAP,GAAes2B,QAAQ,CAACt2B,KAAT,GAAiBs2B,QAAQ,CAAC7/B,QAAzC;AACD,KAFD,MAEO;AACL8/B,YAAM,CAACv2B,KAAP,GAAetG,IAAI,CAAC+U,GAAL,CAAS6nB,QAAQ,CAACt2B,KAAT,GAAiBu2B,MAAM,CAAC9/B,QAAjC,EAA2C,CAA3C,CAAf;AACD;AACF;AACF;AAEM,SAASggC,gBAAT,CAA2BrjC,OAA3B,EAAoCyP,IAApC,EAA0CgM,QAA1C,EAAoDD,MAApD,EAA4D2D,QAA5D,EAAsEC,MAAtE,EAA8E;AACnF;AACA,MAAIkkB,WAAW,GAAG7nB,QAAlB;;AACA,MAAI,0CAAgBhM,IAAI,CAACgM,QAArB,CAAJ,EAAoC;AAClC;AACA,QAAIgS,QAAQ,GAAGnnB,IAAI,CAAC4N,GAAL,CAASzE,IAAI,CAACgM,QAAL,GAAgBA,QAAzB,CAAf;;AACA,QAAI,CAAC,0CAAgBhM,IAAI,CAACge,QAArB,CAAL,EAAqC;AACnChe,UAAI,CAACge,QAAL,GAAgBA,QAAhB;AACD,KAFD,MAEO;AACLhe,UAAI,CAACge,QAAL,GAAgBnnB,IAAI,CAAC+U,GAAL,CAASoS,QAAT,EAAmBhe,IAAI,CAACge,QAAxB,CAAhB;AACD;;AAED6V,eAAW,GAAGh9B,IAAI,CAAC+U,GAAL,CAASI,QAAT,EAAmBhM,IAAI,CAACgM,QAAxB,CAAd;AACAA,YAAQ,GAAGnV,IAAI,CAACC,GAAL,CAASkV,QAAT,EAAmBhM,IAAI,CAACgM,QAAxB,CAAX;AACAD,UAAM,GAAGlV,IAAI,CAAC+U,GAAL,CAASG,MAAT,EAAiB/L,IAAI,CAAC+L,MAAtB,CAAT;AACA2D,YAAQ,GAAG7Y,IAAI,CAACC,GAAL,CAAS4Y,QAAT,EAAmB1P,IAAI,CAAC0P,QAAxB,CAAX;AACAC,UAAM,GAAG9Y,IAAI,CAAC+U,GAAL,CAAS+D,MAAT,EAAiB3P,IAAI,CAAC2P,MAAtB,CAAT;AACD;;AAED,MAAMmkB,KAAK,GAAG9nB,QAAQ,GAAGhM,IAAI,CAAC7C,KAA9B;AACA6C,MAAI,CAAC7C,KAAL,GAAa6C,IAAI,CAACgM,QAAL,GAAgBA,QAA7B;AACAhM,MAAI,CAAC6zB,WAAL,GAAmBA,WAAnB;AACA7zB,MAAI,CAAC+L,MAAL,GAAcA,MAAd;AACA/L,MAAI,CAAC0P,QAAL,GAAgBA,QAAhB;AACA1P,MAAI,CAAC2P,MAAL,GAAcA,MAAd;AACA3P,MAAI,CAACpM,QAAL,GAAgBmY,MAAM,GAAGC,QAAzB;AAEA,MAAMlD,EAAE,GAAG9I,IAAI,CAAC8I,EAAhB,CA3BmF,CA4BnF;;AACA,MAAI,CAACvY,OAAD,IAAYuY,EAAE,GAAGvY,OAAO,CAAC0vB,OAAzB,IAAoCnX,EAAE,GAAGvY,OAAO,CAACqvB,KAArD,EAA4D;AAC1D,WAAO,CAAP;AACD;;AAED,MAAImU,OAAJ,EAAalU,SAAb,EAAwBl1B,CAAxB;AACAopC,SAAO,GAAGjrB,EAAE,GAAGvY,OAAO,CAAC0vB,OAAvB;AACAJ,WAAS,GAAGtvB,OAAO,CAACsvB,SAApB,CAnCmF,CAoCnF;AACA;AACA;AACA;AACA;;AACAA,WAAS,CAACkU,OAAD,CAAT,GAAqB/zB,IAArB,CAzCmF,CA0CnF;;AACA,OAAKrV,CAAC,GAAGopC,OAAT,EAAkBppC,CAAC,GAAG,CAAtB,EAAyBA,CAAC,EAA1B,EAA8B;AAC5B2oC,aAAS,CAACzT,SAAD,EAAYl1B,CAAZ,EAAeA,CAAC,GAAG,CAAnB,CAAT;AACD,GA7CkF,CA+CnF;;;AACA,OAAKA,CAAC,GAAGopC,OAAT,EAAkBppC,CAAC,GAAGk1B,SAAS,CAAC7zB,MAAV,GAAmB,CAAzC,EAA4CrB,CAAC,EAA7C,EAAiD;AAC/C2oC,aAAS,CAACzT,SAAD,EAAYl1B,CAAZ,EAAeA,CAAC,GAAG,CAAnB,CAAT;AACD;;AAED4F,SAAO,CAACyjC,QAAR,GAAmB,IAAnB;AACA,SAAOF,KAAP;AACD;AAEM,SAASG,YAAT,CAAuBC,UAAvB,EAAmCC,UAAnC,EAA+C;AACpD;AACA,MAAIA,UAAU,CAACzgC,WAAX,IAA0BwgC,UAAU,CAACxgC,WAAzC,EAAsD;AACpDygC,cAAU,CAACzgC,WAAX,GAAyBwgC,UAAU,CAACxgC,WAApC;AACD,GAJmD,CAMpD;AACA;;;AACA,MAAI0gC,QAAQ,GAAG,CAAf;AACA,MAAIC,OAAJ;AACAC,yBAAuB,CAACJ,UAAD,EAAaC,UAAb,EAAyB,UAACI,OAAD,EAAUC,OAAV,EAAsB;AACpEJ,YAAQ,GAAGG,OAAO,CAAClW,EAAR,GAAamW,OAAO,CAACnW,EAAhC;;AACA,QAAI,0CAAgBkW,OAAO,CAACvoB,QAAxB,CAAJ,EAAuC;AACrCwoB,aAAO,CAACr3B,KAAR,GAAgBq3B,OAAO,CAACxoB,QAAR,GAAmBuoB,OAAO,CAACvoB,QAA3C;AACAwoB,aAAO,CAACzoB,MAAR,GAAiBwoB,OAAO,CAACxoB,MAAzB;AACAyoB,aAAO,CAAC5gC,QAAR,GAAmB2gC,OAAO,CAAC3gC,QAA3B;AACA4gC,aAAO,CAACC,WAAR,GAAsBF,OAAO,CAACE,WAA9B;AACAD,aAAO,CAAC/3B,OAAR,GAAkB83B,OAAO,CAAC93B,OAA1B;AACA43B,aAAO,GAAGG,OAAV;AACD,KATmE,CAUpE;;;AACAL,cAAU,CAACH,QAAX,GAAsB,IAAtB;AACD,GAZsB,CAAvB;;AAcA,MAAI,CAACG,UAAU,CAACH,QAAhB,EAA0B;AACxB;AACD;;AAED,MAAII,QAAJ,EAAc;AACZ/kC,oBAAM,CAACC,GAAP,CAAW,8DAAX;AACA,QAAMolC,YAAY,GAAGP,UAAU,CAACtU,SAAhC;;AACA,SAAK,IAAIl1B,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG+pC,YAAY,CAAC1oC,MAAjC,EAAyCrB,CAAC,EAA1C,EAA8C;AAC5C+pC,kBAAY,CAAC/pC,CAAD,CAAZ,CAAgB0zB,EAAhB,IAAsB+V,QAAtB;AACD;AACF,GAlCmD,CAoCpD;;;AACA,MAAIC,OAAJ,EAAa;AACXT,oBAAgB,CAACO,UAAD,EAAaE,OAAb,EAAsBA,OAAO,CAACroB,QAA9B,EAAwCqoB,OAAO,CAACtoB,MAAhD,EAAwDsoB,OAAO,CAAC3kB,QAAhE,EAA0E2kB,OAAO,CAAC1kB,MAAlF,CAAhB;AACD,GAFD,MAEO;AACL;AACA;AACA;AACAglB,iBAAa,CAACT,UAAD,EAAaC,UAAb,CAAb;AACD,GA5CmD,CA6CpD;AACA;;;AACAA,YAAU,CAACH,QAAX,GAAsBE,UAAU,CAACF,QAAjC;AACD;AAEM,SAASY,sBAAT,CAAiCC,WAAjC,EAA8CC,WAA9C,EAA2DC,cAA3D,EAA+E;AAAA,MAApBA,cAAoB;AAApBA,kBAAoB,GAAH,CAAG;AAAA;;AACpF,MAAIrT,SAAS,GAAG,CAAC,CAAjB;AACA4S,yBAAuB,CAACO,WAAD,EAAcC,WAAd,EAA2B,UAACP,OAAD,EAAUC,OAAV,EAAmBrjB,KAAnB,EAA6B;AAC7EqjB,WAAO,CAACr3B,KAAR,GAAgBo3B,OAAO,CAACp3B,KAAxB;AACAukB,aAAS,GAAGvQ,KAAZ;AACD,GAHsB,CAAvB;AAKA,MAAM6jB,KAAK,GAAGF,WAAW,CAACjV,SAA1B;;AACA,MAAI6B,SAAS,GAAG,CAAhB,EAAmB;AACjBsT,SAAK,CAACvzB,OAAN,CAAc,UAAAzB,IAAI,EAAI;AACpBA,UAAI,CAAC7C,KAAL,IAAc43B,cAAd;AACD,KAFD;AAGA;AACD;;AAED,OAAK,IAAIpqC,CAAC,GAAG+2B,SAAS,GAAG,CAAzB,EAA4B/2B,CAAC,GAAGqqC,KAAK,CAAChpC,MAAtC,EAA8CrB,CAAC,EAA/C,EAAmD;AACjDqqC,SAAK,CAACrqC,CAAD,CAAL,CAASwS,KAAT,GAAkB63B,KAAK,CAACrqC,CAAC,GAAG,CAAL,CAAL,CAAawS,KAAb,GAAqB63B,KAAK,CAACrqC,CAAC,GAAG,CAAL,CAAL,CAAaiJ,QAApD;AACD;AACF;AAEM,SAAS0gC,uBAAT,CAAkCO,WAAlC,EAA+CC,WAA/C,EAA4DG,cAA5D,EAA4E;AACjF,MAAI,CAACJ,WAAD,IAAgB,CAACC,WAArB,EAAkC;AAChC;AACD;;AAED,MAAM33B,KAAK,GAAGtG,IAAI,CAAC+U,GAAL,CAASipB,WAAW,CAAC5U,OAArB,EAA8B6U,WAAW,CAAC7U,OAA1C,IAAqD6U,WAAW,CAAC7U,OAA/E;AACA,MAAMlP,GAAG,GAAGla,IAAI,CAACC,GAAL,CAAS+9B,WAAW,CAACjV,KAArB,EAA4BkV,WAAW,CAAClV,KAAxC,IAAiDkV,WAAW,CAAC7U,OAAzE;AACA,MAAM7R,KAAK,GAAG0mB,WAAW,CAAC7U,OAAZ,GAAsB4U,WAAW,CAAC5U,OAAhD;;AAEA,OAAK,IAAIt1B,CAAC,GAAGwS,KAAb,EAAoBxS,CAAC,IAAIomB,GAAzB,EAA8BpmB,CAAC,EAA/B,EAAmC;AACjC,QAAM4pC,OAAO,GAAGM,WAAW,CAAChV,SAAZ,CAAsBzR,KAAK,GAAGzjB,CAA9B,CAAhB;AACA,QAAM6pC,OAAO,GAAGM,WAAW,CAACjV,SAAZ,CAAsBl1B,CAAtB,CAAhB;;AACA,QAAI,CAAC4pC,OAAD,IAAY,CAACC,OAAjB,EAA0B;AACxB;AACD;;AACDS,kBAAc,CAACV,OAAD,EAAUC,OAAV,EAAmB7pC,CAAnB,CAAd;AACD;AACF;AAEM,SAASgqC,aAAT,CAAwBE,WAAxB,EAAqCC,WAArC,EAAkD;AACvD,MAAM1mB,KAAK,GAAG0mB,WAAW,CAAC7U,OAAZ,GAAsB4U,WAAW,CAAC5U,OAAhD;AACA,MAAMiV,YAAY,GAAGL,WAAW,CAAChV,SAAjC;AACA,MAAM6U,YAAY,GAAGI,WAAW,CAACjV,SAAjC;;AAEA,MAAIzR,KAAK,GAAG,CAAR,IAAaA,KAAK,GAAG8mB,YAAY,CAAClpC,MAAtC,EAA8C;AAC5C;AACD;;AACD,OAAK,IAAIrB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG+pC,YAAY,CAAC1oC,MAAjC,EAAyCrB,CAAC,EAA1C,EAA8C;AAC5C+pC,gBAAY,CAAC/pC,CAAD,CAAZ,CAAgBwS,KAAhB,IAAyB+3B,YAAY,CAAC9mB,KAAD,CAAZ,CAAoBjR,KAA7C;AACD;AACF;AAEM,SAASg4B,qBAAT,CAAgCC,eAAhC,EAAiDN,WAAjD,EAA8DO,eAA9D,EAA+E;AACpF,MAAIC,cAAc,GAAG,QAAQR,WAAW,CAAC3O,qBAAZ,GAAoC2O,WAAW,CAAC3O,qBAAhD,GAAwE2O,WAAW,CAAC3U,cAA5F,CAArB;AACA,MAAMoV,iBAAiB,GAAGD,cAAc,GAAG,CAA3C;;AACA,MAAIF,eAAe,IAAIN,WAAW,CAAClV,KAAZ,KAAsBwV,eAAe,CAACxV,KAA7D,EAAoE;AAClE;AACA;AACA;AACA0V,kBAAc,GAAGC,iBAAjB;AACD;;AAED,MAAIF,eAAJ,EAAqB;AACnBC,kBAAc,GAAGz+B,IAAI,CAAC+U,GAAL,CAAS2pB,iBAAT,EAA4BD,cAAc,IAAI7O,MAAM,CAAC9U,WAAP,CAAmBD,GAAnB,KAA2B2jB,eAA/B,CAA1C,CAAjB;AACD,GAZmF,CAapF;;;AACA,SAAOx+B,IAAI,CAAC6J,KAAL,CAAW40B,cAAX,CAAP;AACD,C;;ACpOD;;;AAIA,IAAME,UAAU,GAAG;AACjB9yB,UAAQ,EAAE,kBAAU+yB,CAAV,EAAyB;AACjC,QAAInmC,GAAG,GAAG,EAAV;AACA,QAAI4E,GAAG,GAAGuhC,CAAC,CAACzpC,MAAZ;;AACA,SAAK,IAAIrB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGuJ,GAApB,EAAyBvJ,CAAC,EAA1B,EAA8B;AAC5B2E,SAAG,IAAI,MAAMmmC,CAAC,CAACt4B,KAAF,CAAQxS,CAAR,EAAW+qC,OAAX,CAAmB,CAAnB,CAAN,GAA8B,GAA9B,GAAoCD,CAAC,CAAC1kB,GAAF,CAAMpmB,CAAN,EAAS+qC,OAAT,CAAiB,CAAjB,CAApC,GAA0D,GAAjE;AACD;;AAED,WAAOpmC,GAAP;AACD;AATgB,CAAnB;AAYekmC,0DAAf,E;;;AChBA;AACA;AAEO,SAASG,mBAAT,CAA8B9V,SAA9B,EAAyCxB,EAAzC,EAA6C;AAClD,MAAIuX,SAAS,GAAG,IAAhB;;AAEA,OAAK,IAAIjrC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGk1B,SAAS,CAAC7zB,MAA9B,EAAsCrB,CAAC,IAAI,CAA3C,EAA8C;AAC5C,QAAMkrC,WAAW,GAAGhW,SAAS,CAACl1B,CAAD,CAA7B;;AACA,QAAIkrC,WAAW,IAAIA,WAAW,CAACxX,EAAZ,KAAmBA,EAAtC,EAA0C;AACxCuX,eAAS,GAAGC,WAAZ;AACA;AACD;AACF;;AAED,SAAOD,SAAP;AACD;AAEM,SAASE,cAAT,CAAyBjW,SAAzB,EAAoCkW,EAApC,EAAwC;AAC7C,SAAOhG,aAAY,CAACC,MAAb,CAAoBnQ,SAApB,EAA+B,UAACmW,SAAD,EAAe;AACnD,QAAIA,SAAS,CAAC3X,EAAV,GAAe0X,EAAnB,EAAuB;AACrB,aAAO,CAAP;AACD,KAFD,MAEO,IAAIC,SAAS,CAAC3X,EAAV,GAAe0X,EAAnB,EAAuB;AAC5B,aAAO,CAAC,CAAR;AACD,KAFM,MAEA;AACL,aAAO,CAAP;AACD;AACF,GARM,CAAP;AASD;AAEM,SAASE,4BAAT,CAAuCjD,QAAvC,EAAiDkD,SAAjD,EAA4D3lC,OAA5D,EAAqE;AAC1E,MAAI4lC,WAAW,GAAG,KAAlB;;AACA,MAAID,SAAS,IAAIA,SAAS,CAAC3lC,OAAvB,IAAkCA,OAAtC,EAA+C;AAC7C,QAAIA,OAAO,CAACovB,KAAR,GAAgBpvB,OAAO,CAACyvB,OAAxB,IAAoCgT,QAAQ,IAAIA,QAAQ,CAAC3U,EAAT,GAAc9tB,OAAO,CAACyvB,OAA1E,EAAoF;AAClFmW,iBAAW,GAAG,IAAd;AACD;AACF;;AACD,SAAOA,WAAP;AACD,C,CAED;;AACO,SAASC,8BAAT,CAAyCC,WAAzC,EAAsDC,UAAtD,EAAkE;AACvE,MAAMC,SAAS,GAAGF,WAAW,CAACxW,SAA9B;AACA,MAAM2W,QAAQ,GAAGF,UAAU,CAACzW,SAA5B;;AAEA,MAAI,CAAC2W,QAAQ,CAACxqC,MAAV,IAAoB,CAACuqC,SAAS,CAACvqC,MAAnC,EAA2C;AACzCqD,oBAAM,CAACC,GAAP,CAAW,uBAAX;AACA;AACD;;AAED,MAAMmnC,aAAa,GAAGd,mBAAmB,CAACY,SAAD,EAAYC,QAAQ,CAAC,CAAD,CAAR,CAAYnY,EAAxB,CAAzC;;AAEA,MAAI,CAACoY,aAAD,IAAmBA,aAAa,IAAI,CAACA,aAAa,CAACzqB,QAAvD,EAAkE;AAChE3c,oBAAM,CAACC,GAAP,CAAW,uCAAX;AACA;AACD;;AAED,SAAOmnC,aAAP;AACD;AAEM,SAASC,SAAT,CAAoBC,OAApB,EAA6BpmC,OAA7B,EAAsC;AAC3CA,SAAO,CAACsvB,SAAR,CAAkBpe,OAAlB,CAA0B,UAACzB,IAAD,EAAU;AAClC,QAAIA,IAAJ,EAAU;AACR,UAAI7C,KAAK,GAAG6C,IAAI,CAAC7C,KAAL,GAAaw5B,OAAzB;AACA32B,UAAI,CAAC7C,KAAL,GAAa6C,IAAI,CAACgM,QAAL,GAAgB7O,KAA7B;AACA6C,UAAI,CAAC+L,MAAL,GAAc5O,KAAK,GAAG6C,IAAI,CAACpM,QAA3B;AACD;AACF,GAND;AAOArD,SAAO,CAACyjC,QAAR,GAAmB,IAAnB;AACD;AAED;;;;;;;;;;;AAUO,SAAS4C,WAAT,CAAsB5D,QAAtB,EAAgCkD,SAAhC,EAA2C3lC,OAA3C,EAAoD;AACzDsmC,sBAAoB,CAAC7D,QAAD,EAAWziC,OAAX,EAAoB2lC,SAApB,CAApB;;AACA,MAAI,CAAC3lC,OAAO,CAACyjC,QAAT,IAAqBkC,SAAzB,EAAoC;AAClC;AACA;AACA;AACAY,YAAQ,CAACvmC,OAAD,EAAU2lC,SAAS,CAAC3lC,OAApB,CAAR;AACD;AACF;AAED;;;;;;;AAMO,SAASsmC,oBAAT,CAA+B7D,QAA/B,EAAyCziC,OAAzC,EAAkD2lC,SAAlD,EAA6D;AAClE,MAAID,4BAA4B,CAACjD,QAAD,EAAWkD,SAAX,EAAsB3lC,OAAtB,CAAhC,EAAgE;AAC9D,QAAMwmC,aAAa,GAAGX,8BAA8B,CAACF,SAAS,CAAC3lC,OAAX,EAAoBA,OAApB,CAApD;;AACA,QAAIwmC,aAAJ,EAAmB;AACjB1nC,sBAAM,CAACC,GAAP,CAAW,wEAAX;AACAonC,eAAS,CAACK,aAAa,CAAC55B,KAAf,EAAsB5M,OAAtB,CAAT;AACD;AACF;AACF;AAED;;;;;;AAKO,SAASumC,QAAT,CAAmBvmC,OAAnB,EAA4BymC,WAA5B,EAAyC;AAC9C,MAAIA,WAAW,IAAIA,WAAW,CAACnX,SAAZ,CAAsB7zB,MAAzC,EAAiD;AAC/C,QAAI,CAACuE,OAAO,CAAC0mC,kBAAT,IAA+B,CAACD,WAAW,CAACC,kBAAhD,EAAoE;AAClE;AACD,KAH8C,CAI/C;AACA;AACA;;;AACA,QAAIC,OAAO,GAAGF,WAAW,CAACnX,SAAZ,CAAsB,CAAtB,EAAyB3B,eAAvC;AACA,QAAIiZ,MAAM,GAAG5mC,OAAO,CAACsvB,SAAR,CAAkB,CAAlB,EAAqB3B,eAAlC,CAR+C,CAS/C;;AACA,QAAIyY,OAAO,GAAG,CAACQ,MAAM,GAAGD,OAAV,IAAqB,IAArB,GAA4BF,WAAW,CAACnX,SAAZ,CAAsB,CAAtB,EAAyB1iB,KAAnE;;AACA,QAAI,0CAAgBw5B,OAAhB,CAAJ,EAA8B;AAC5BtnC,sBAAM,CAACC,GAAP,yDAAiEqnC,OAAO,CAACjB,OAAR,CAAgB,CAAhB,CAAjE;AACAgB,eAAS,CAACC,OAAD,EAAUpmC,OAAV,CAAT;AACD;AACF;AACF,C;;;AChID;;AAGA;;;;;;;AAOO,SAAS6mC,iBAAT,CAA4BvX,SAA5B,EAAwDwX,QAAxD,EAAiF7F,sBAAjF,EAAkI;AACvI,MAAI6F,QAAQ,KAAK,IAAb,IAAqB,CAAC5lC,KAAK,CAAC6lC,OAAN,CAAczX,SAAd,CAAtB,IAAkD,CAACA,SAAS,CAAC7zB,MAA7D,IAAuE,CAAC,0CAAgBqrC,QAAhB,CAA5E,EAAuG;AACrG,WAAO,IAAP;AACD,GAHsI,CAKvI;;;AACA,MAAME,QAAQ,GAAG1X,SAAS,CAAC,CAAD,CAAT,CAAa3B,eAA9B;;AACA,MAAImZ,QAAQ,IAAIE,QAAQ,IAAI,CAAhB,CAAZ,EAAgC;AAC9B,WAAO,IAAP;AACD;;AAED,MAAMC,MAAM,GAAG3X,SAAS,CAACA,SAAS,CAAC7zB,MAAV,GAAmB,CAApB,CAAT,CAAgCw6B,kBAA/C;;AACA,MAAI6Q,QAAQ,KAAKG,MAAM,IAAI,CAAf,CAAZ,EAA+B;AAC7B,WAAO,IAAP;AACD;;AAEDhG,wBAAsB,GAAGA,sBAAsB,IAAI,CAAnD;;AACA,OAAK,IAAIiG,GAAG,GAAG,CAAf,EAAkBA,GAAG,GAAG5X,SAAS,CAAC7zB,MAAlC,EAA0C,EAAEyrC,GAA5C,EAAiD;AAC/C,QAAIz3B,IAAI,GAAG6f,SAAS,CAAC4X,GAAD,CAApB;;AACA,QAAIC,sBAAsB,CAACL,QAAD,EAAW7F,sBAAX,EAAmCxxB,IAAnC,CAA1B,EAAoE;AAClE,aAAOA,IAAP;AACD;AACF;;AAED,SAAO,IAAP;AACD;AAED;;;;;;;;;;;AAUO,SAAS23B,iBAAT,CAA4BC,YAA5B,EAAoD/X,SAApD,EAAgFyR,SAAhF,EAAuGE,sBAAvG,EAA4J;AAAA,MAA5EF,SAA4E;AAA5EA,aAA4E,GAAxD,CAAwD;AAAA;;AAAA,MAArDE,sBAAqD;AAArDA,0BAAqD,GAApB,CAAoB;AAAA;;AACjK,MAAMqG,QAAQ,GAAGD,YAAY,GAAG/X,SAAS,CAAC+X,YAAY,CAAC9uB,EAAb,GAA6B+W,SAAS,CAAC,CAAD,CAAT,CAAa/W,EAA1C,GAA0D,CAA3D,CAAZ,GAA4E,IAAzG,CADiK,CAEjK;;AACA,MAAI+uB,QAAQ,IAAI,CAACC,4CAA2B,CAACxG,SAAD,EAAYE,sBAAZ,EAAoCqG,QAApC,CAA5C,EAA2F;AACzF,WAAOA,QAAP;AACD;;AACD,SAAO9H,aAAY,CAACC,MAAb,CAAoBnQ,SAApB,EAA+BiY,4CAA2B,CAAC1+B,IAA5B,CAAiC,IAAjC,EAAuCk4B,SAAvC,EAAkDE,sBAAlD,CAA/B,CAAP;AACD;AAED;;;;;;;;AAOO,SAASsG,4CAAT,CAAsCxG,SAAtC,EAAqDE,sBAArD,EAAiFwE,SAAjF,EAAsG;AAAA,MAAhE1E,SAAgE;AAAhEA,aAAgE,GAApD,CAAoD;AAAA;;AAAA,MAAjDE,sBAAiD;AAAjDA,0BAAiD,GAAxB,CAAwB;AAAA;;AAC3G;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,MAAIuG,wBAAwB,GAAGlhC,IAAI,CAACC,GAAL,CAAS06B,sBAAT,EAAiCwE,SAAS,CAACpiC,QAAV,IAAsBoiC,SAAS,CAAChY,QAAV,GAAqBgY,SAAS,CAAChY,QAA/B,GAA0C,CAAhE,CAAjC,CAA/B;;AACA,MAAIgY,SAAS,CAAC74B,KAAV,GAAkB64B,SAAS,CAACpiC,QAA5B,GAAuCmkC,wBAAvC,IAAmEzG,SAAvE,EAAkF;AAChF,WAAO,CAAP;AACD,GAFD,MAEO,IAAI0E,SAAS,CAAC74B,KAAV,GAAkB46B,wBAAlB,GAA6CzG,SAA7C,IAA0D0E,SAAS,CAAC74B,KAAxE,EAA+E;AACpF;AACA,WAAO,CAAC,CAAR;AACD;;AAED,SAAO,CAAP;AACD;AAED;;;;;;;;;AAQO,SAASu6B,sBAAT,CAAiCM,YAAjC,EAAuDxG,sBAAvD,EAAuFwE,SAAvF,EAAqH;AAC1H,MAAI+B,wBAAwB,GAAGlhC,IAAI,CAACC,GAAL,CAAS06B,sBAAT,EAAiCwE,SAAS,CAACpiC,QAAV,IAAsBoiC,SAAS,CAAChY,QAAV,GAAqBgY,SAAS,CAAChY,QAA/B,GAA0C,CAAhE,CAAjC,IAAuG,IAAtI,CAD0H,CAG1H;;AACA,MAAMwI,kBAAkB,GAAGwP,SAAS,CAACxP,kBAAV,IAAgC,CAA3D;AACA,SAAOA,kBAAkB,GAAGuR,wBAArB,GAAgDC,YAAvD;AACD,C;;ACvGD;AACA;AACA;AACA;AAEO,IAAMC,yBAAyB,GAAG,GAAlC;AACA,IAAMC,kBAAkB,GAAG,GAA3B;AACA,IAAMC,6BAA6B,GAAG,GAAtC;AACA,IAAMC,uBAAuB,GAAG,IAAhC;;IAEcC,4B;;;AACnB,yBAAa1pC,MAAb,EAAqBy1B,KAArB,EAA4BkU,eAA5B,EAA6Cxc,GAA7C,EAAkD;AAChD,SAAKntB,MAAL,GAAcA,MAAd;AACA,SAAKy1B,KAAL,GAAaA,KAAb;AACA,SAAKkU,eAAL,GAAuBA,eAAvB;AACA,SAAKxc,GAAL,GAAWA,GAAX;AACA,SAAKyc,UAAL,GAAkB,CAAlB;AACA,SAAKC,aAAL,GAAqB,KAArB;AACA,SAAKC,OAAL,GAAe,IAAf;AACA,SAAKC,KAAL,GAAa,KAAb;AACA,SAAKC,OAAL,GAAe,KAAf;AACD;AAED;;;;;;;;;;SAMAC,I,GAAA,cAAMC,eAAN,EAAuB;AAAA,QACblqC,MADa,GACc,IADd,CACbA,MADa;AAAA,QACLy1B,KADK,GACc,IADd,CACLA,KADK;AAAA,QACEqU,OADF,GACc,IADd,CACEA,OADF;AAAA,QAEbhH,WAFa,GAEYrN,KAFZ,CAEbqN,WAFa;AAAA,QAEAkH,OAFA,GAEYvU,KAFZ,CAEAuU,OAFA;AAGrB,QAAMG,MAAM,GAAG,KAAKH,OAAL,IAAgB,CAACA,OAAhC;AACA,QAAMI,SAAS,GAAG,CAAC,KAAKJ,OAAN,IAAiBA,OAAnC;AAEA,SAAKA,OAAL,GAAeA,OAAf,CANqB,CAQrB;;AACA,QAAIlH,WAAW,KAAKoH,eAApB,EAAqC;AACnC,WAAKH,KAAL,GAAa,IAAb;;AACA,UAAID,OAAO,KAAK,IAAhB,EAAsB;AACpB;AACA,YAAI,KAAKD,aAAT,EAAwB;AACtB,cAAMQ,gBAAe,GAAGlmB,IAAI,CAACnB,WAAL,CAAiBD,GAAjB,KAAyB+mB,OAAjD;;AACAppC,0BAAM,CAACgN,IAAP,kCAA2Co1B,WAA3C,gBAAiE56B,IAAI,CAAC6J,KAAL,CAAWs4B,gBAAX,CAAjE;AACA,eAAKR,aAAL,GAAqB,KAArB;AACD;;AACD,aAAKC,OAAL,GAAe,IAAf;AACA,aAAKF,UAAL,GAAkB,CAAlB;AACD;;AACD;AACD,KAtBoB,CAwBrB;;;AACA,QAAIQ,SAAS,IAAID,MAAjB,EAAyB;AACvB,WAAKL,OAAL,GAAe,IAAf;AACD;;AA3BoB,QA6BbQ,mBA7Ba,GA6BW,KAAKtqC,MA7BhB,CA6BbsqC,mBA7Ba;;AA8BrB,QAAIA,mBAAmB,KAAKN,OAAO,IAAIG,MAAhB,CAAvB,EAAgD;AAC9C,WAAKI,2BAAL;AACD,KAhCoB,CAkCrB;;;AACA,QAAI9U,KAAK,CAAC+U,MAAN,IAAgB/U,KAAK,CAACgV,KAAtB,IAA+BhV,KAAK,CAACiV,YAAN,KAAuB,CAAtD,IAA2D,CAACjV,KAAK,CAAC8J,QAAN,CAAeliC,MAA/E,EAAuF;AACrF;AACD;;AAED,QAAM0kC,UAAU,GAAGF,YAAY,CAACE,UAAb,CAAwBtM,KAAxB,EAA+BqN,WAA/B,EAA4C,CAA5C,CAAnB;AACA,QAAMhB,UAAU,GAAGC,UAAU,CAACx8B,GAAX,GAAiB,CAApC;AACA,QAAM48B,SAAS,GAAGJ,UAAU,CAACI,SAAX,IAAwB,CAA1C,CAzCqB,CA2CrB;;AACA,QAAI,CAACL,UAAD,IAAe,CAACK,SAApB,EAA+B;AAC7B;AACD;;AAED,QAAI6H,OAAJ,EAAa;AACX;AACA,UAAMW,eAAe,GAAG5I,UAAU,CAACx8B,GAAX,GAAiBgkC,kBAAzC,CAFW,CAGX;;AACA,UAAMqB,WAAW,GAAG,CAACzI,SAAD,IAAcA,SAAS,GAAGW,WAAZ,GAA0ByG,kBAA5D;;AACA,UAAIoB,eAAe,IAAIC,WAAvB,EAAoC;AAClC;AACD,OAPU,CAQX;;;AACA,WAAKb,KAAL,GAAa,KAAb;AACD,KA1DoB,CA4DrB;AACA;;;AACA,QAAI,CAAC,KAAKA,KAAN,IAAe,KAAKD,OAAxB,EAAiC;AAC/B;AACA,UAAMe,SAAS,GAAG3iC,IAAI,CAAC+U,GAAL,CAASklB,SAAT,EAAoBJ,UAAU,CAACvzB,KAAX,IAAoB,CAAxC,IAA6Cs0B,WAA/D;;AACA,UAAI+H,SAAS,GAAG,CAAZ,IAAiBA,SAAS,IAAItB,kBAAlC,EAAsD;AACpD,aAAKuB,kBAAL,CAAwB,IAAxB;;AACA;AACD;AACF,KArEoB,CAuErB;;;AACA,QAAMC,IAAI,GAAG5mB,IAAI,CAACnB,WAAL,CAAiBD,GAAjB,EAAb;;AACA,QAAI+mB,OAAO,KAAK,IAAhB,EAAsB;AACpB,WAAKA,OAAL,GAAeiB,IAAf;AACA;AACD;;AAED,QAAMV,eAAe,GAAGU,IAAI,GAAGjB,OAA/B;;AACA,QAAI,CAACE,OAAD,IAAYK,eAAe,IAAIf,yBAAnC,EAA8D;AAC5D;AACA,WAAK0B,YAAL,CAAkBjJ,UAAU,CAACx8B,GAA7B;AACD;;AAED,QAAM0lC,iBAAiB,GAAGpJ,YAAY,CAACE,UAAb,CAAwBtM,KAAxB,EAA+BqN,WAA/B,EAA4C9iC,MAAM,CAACygB,aAAnD,CAA1B;;AACA,SAAKyqB,kBAAL,CAAwBD,iBAAxB,EAA2CZ,eAA3C;AACD,G,CAED;AACA;;;SACAE,2B,GAAA,uCAA8B;AAC5B,QAAM9U,KAAK,GAAG,KAAKA,KAAnB;AACA,QAAMqN,WAAW,GAAGrN,KAAK,GAAGA,KAAK,CAACqN,WAAT,GAAuBnjC,SAAhD;AAF4B,QAGpBkjC,sBAHoB,GAGO,KAAK7iC,MAHZ,CAGpB6iC,sBAHoB,EAK5B;AACA;AACA;;AACA,QAAMsI,0BAA0B,GAC9BtJ,YAAY,CAACe,6BAAb,CAA2CnN,KAA3C,EAAkDqN,WAAlD,EAA+DD,sBAA/D,CADF;;AAGA,QAAIC,WAAW,KAAKqI,0BAApB,EAAgD;AAC9CzqC,sBAAM,CAACC,GAAP,0DAAkEwqC,0BAAlE;AACA1V,WAAK,CAACqN,WAAN,GAAoBqI,0BAApB;AACA,aAAO,IAAP;AACD;;AAED,WAAO,KAAP;AACD;AAED;;;;;;;;SAMAD,kB,GAAA,4BAAoBnJ,UAApB,EAAgCqJ,iBAAhC,EAAmD;AAAA,QACzCprC,MADyC,GACN,IADM,CACzCA,MADyC;AAAA,QACjC2pC,eADiC,GACN,IADM,CACjCA,eADiC;AAAA,QAChBlU,KADgB,GACN,IADM,CAChBA,KADgB;AAEjD,QAAMqN,WAAW,GAAGrN,KAAK,CAACqN,WAA1B;AAEA,QAAMvC,OAAO,GAAGoJ,eAAe,CAACnJ,kBAAhB,CAAmCsC,WAAnC,CAAhB;;AACA,QAAIvC,OAAJ,EAAa;AACX;AACA;AACA,UAAM8K,UAAU,GAAG,KAAKP,kBAAL,CAAwBvK,OAAxB,CAAnB,CAHW,CAIX;AACA;;;AACA,UAAI8K,UAAJ,EAAgB;AACd;AACD;AACF,KAdgD,CAgBjD;AACA;AACA;AACA;;;AACA,QAAItJ,UAAU,CAACx8B,GAAX,GAAiBvF,MAAM,CAACygB,aAAxB,IACF2qB,iBAAiB,GAAGprC,MAAM,CAACsrC,wBAAP,GAAkC,IADxD,EAC8D;AAC5D5qC,sBAAM,CAACgN,IAAP,CAAY,2CAAZ,EAD4D,CAE5D;AACA;AACA;;AACA,WAAKo8B,OAAL,GAAe,IAAf;;AACA,WAAKyB,eAAL;AACD;AACF;AAED;;;;;;;SAKAP,Y,GAAA,sBAAcxI,SAAd,EAAyB;AAAA,QACfrV,GADe,GACe,IADf,CACfA,GADe;AAAA,QACVsI,KADU,GACe,IADf,CACVA,KADU;AAAA,QACHoU,aADG,GACe,IADf,CACHA,aADG;;AAEvB,QAAI,CAACA,aAAL,EAAoB;AAClB;AACA,WAAKA,aAAL,GAAqB,IAArB;AACAnpC,sBAAM,CAACgN,IAAP,4BAAqC+nB,KAAK,CAACqN,WAA3C;AACA3V,SAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AACvBC,YAAI,EAAEC,oBAAU,CAACC,WADM;AAEvBC,eAAO,EAAEC,sBAAY,CAAC2pC,oBAFC;AAGvBzpC,aAAK,EAAE,KAHgB;AAIvBlH,cAAM,EAAE2nC;AAJe,OAAzB;AAMD;AACF;AAED;;;;;;;SAKAsI,kB,GAAA,4BAAoBvK,OAApB,EAA6B;AAAA,QACnBvgC,MADmB,GACI,IADJ,CACnBA,MADmB;AAAA,QACXmtB,GADW,GACI,IADJ,CACXA,GADW;AAAA,QACNsI,KADM,GACI,IADJ,CACNA,KADM;AAE3B,QAAMqN,WAAW,GAAGrN,KAAK,CAACqN,WAA1B;AACA,QAAI2I,WAAW,GAAG,CAAlB,CAH2B,CAI3B;;AACA,SAAK,IAAIzvC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGy5B,KAAK,CAAC8J,QAAN,CAAeliC,MAAnC,EAA2CrB,CAAC,EAA5C,EAAgD;AAC9C,UAAMunB,SAAS,GAAGkS,KAAK,CAAC8J,QAAN,CAAe/wB,KAAf,CAAqBxS,CAArB,CAAlB;;AACA,UAAI8mC,WAAW,GAAG9iC,MAAM,CAACygB,aAArB,IAAsCgrB,WAAtC,IAAqD3I,WAAW,GAAGvf,SAAvE,EAAkF;AAChF,YAAM8nB,UAAU,GAAGnjC,IAAI,CAAC+U,GAAL,CAASsG,SAAS,GAAGkmB,uBAArB,EAA8ChU,KAAK,CAACqN,WAAN,GAAoB0G,6BAAlE,CAAnB;AACA9oC,wBAAM,CAACgN,IAAP,gDAAyDo1B,WAAzD,YAA2EuI,UAA3E;AACA,aAAKtB,KAAL,GAAa,IAAb;AACA,aAAKD,OAAL,GAAe,IAAf;AACArU,aAAK,CAACqN,WAAN,GAAoBuI,UAApB;;AACA,YAAI9K,OAAJ,EAAa;AACXpT,aAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AACvBC,gBAAI,EAAEC,oBAAU,CAACC,WADM;AAEvBC,mBAAO,EAAEC,sBAAY,CAAC6pC,qBAFC;AAGvB3pC,iBAAK,EAAE,KAHgB;AAIvBC,kBAAM,uDAAqD8gC,WAArD,YAAuEuI,UAJtD;AAKvBh6B,gBAAI,EAAEkvB;AALiB,WAAzB;AAOD;;AACD,eAAO8K,UAAP;AACD;;AACDI,iBAAW,GAAGhW,KAAK,CAAC8J,QAAN,CAAend,GAAf,CAAmBpmB,CAAnB,CAAd;AACD;;AACD,WAAO,CAAP;AACD;AAED;;;;;;SAIAuvC,e,GAAA,2BAAmB;AAAA,QACTvrC,MADS,GACc,IADd,CACTA,MADS;AAAA,QACDmtB,GADC,GACc,IADd,CACDA,GADC;AAAA,QACIsI,KADJ,GACc,IADd,CACIA,KADJ;AAEjB,QAAMqN,WAAW,GAAGrN,KAAK,CAACqN,WAA1B;AACA,QAAM8G,UAAU,GAAG,CAAC,KAAKA,UAAL,IAAmB,CAApB,IAAyB,CAA5C;AACA,SAAKA,UAAL,GAAkBA,UAAlB;;AAEA,QAAIA,UAAU,GAAG5pC,MAAM,CAAC2rC,aAAxB,EAAuC;AACrC,UAAMN,UAAU,GAAGvI,WAAW,GAAG8G,UAAU,GAAG5pC,MAAM,CAAC4rC,WAArD,CADqC,CAErC;;AACAlrC,sBAAM,CAACgN,IAAP,iCAA0Co1B,WAA1C,YAA4DuI,UAA5D;AACA5V,WAAK,CAACqN,WAAN,GAAoBuI,UAApB;AAEAle,SAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AACvBC,YAAI,EAAEC,oBAAU,CAACC,WADM;AAEvBC,eAAO,EAAEC,sBAAY,CAACgqC,qBAFC;AAGvB9pC,aAAK,EAAE;AAHgB,OAAzB;AAKD,KAXD,MAWO;AACLrB,sBAAM,CAACU,KAAP,4DAAsE0hC,WAAtE,eAA2F9iC,MAAM,CAAC2rC,aAAlG;AACAxe,SAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AACvBC,YAAI,EAAEC,oBAAU,CAACC,WADM;AAEvBC,eAAO,EAAEC,sBAAY,CAAC2pC,oBAFC;AAGvBzpC,aAAK,EAAE;AAHgB,OAAzB;AAKD;AACF,G;;;;;;;;;;;ACnQH;;AAGA;;;;;;;;;;;;;;;;;;;;;;;;;;;;IA6BqB+pC,Q;;;;;AAMnB,oBAAa3e,GAAb,EAA4C;AAAA;;AAAA,sCAAlBI,MAAkB;AAAlBA,YAAkB;AAAA;;AAC1C,2DAAMJ,GAAN,SAAcI,MAAd;AAD0C,UAL3Bwe,UAK2B;AAAA,UAJpCC,UAIoC,GAJR,IAIQ;AAAA,UAHpCC,aAGoC,GAHL,IAGK;AAAA,UAFpCC,cAEoC,GAFnB,CAEmB;AAE1C,UAAKH,UAAL,GAAkB,MAAKI,IAAL,CAAU1hC,IAAV,+BAAlB;AAF0C;AAG3C;AAED;;;;;;;SAGUgjB,mB,GAAV,+BAAiC;AAC/B;AACA,SAAK2e,aAAL;AACA,SAAKC,aAAL;AACD;AAED;;;;;SAGOC,W,GAAP,uBAA+B;AAC7B,WAAO,CAAC,CAAC,KAAKL,aAAd;AACD;AAED;;;;;SAGOM,W,GAAP,uBAA+B;AAC7B,WAAO,CAAC,CAAC,KAAKP,UAAd;AACD;AAED;;;;;;SAIOQ,W,GAAP,qBAAoBC,MAApB,EAA6C;AAC3C,QAAI,CAAC,KAAKR,aAAV,EAAyB;AACvB,WAAKA,aAAL,GAAqB9nB,IAAI,CAACqoB,WAAL,CAAiB,KAAKT,UAAtB,EAAkCU,MAAlC,CAArB;AACA,aAAO,IAAP;AACD;;AACD,WAAO,KAAP;AACD;AAED;;;;;SAGOJ,a,GAAP,yBAAiC;AAC/B,QAAI,KAAKJ,aAAT,EAAwB;AACtB9nB,UAAI,CAACkoB,aAAL,CAAmB,KAAKJ,aAAxB;AACA,WAAKA,aAAL,GAAqB,IAArB;AACA,aAAO,IAAP;AACD;;AACD,WAAO,KAAP;AACD;AAED;;;;;SAGOG,a,GAAP,yBAAiC;AAC/B,QAAI,KAAKJ,UAAT,EAAqB;AACnB7nB,UAAI,CAACuoB,YAAL,CAAkB,KAAKV,UAAvB;AACA,WAAKA,UAAL,GAAkB,IAAlB;AACA,aAAO,IAAP;AACD;;AACD,WAAO,KAAP;AACD;AAED;;;;;;;SAKOG,I,GAAP,gBAAqB;AACnB,SAAKD,cAAL;;AACA,QAAI,KAAKA,cAAL,KAAwB,CAA5B,EAA+B;AAC7B,WAAKS,MAAL,GAD6B,CAE7B;AACA;;AACA,UAAI,KAAKT,cAAL,GAAsB,CAA1B,EAA6B;AAC3B;AACA,aAAKE,aAAL;AACA,aAAKJ,UAAL,GAAkB7nB,IAAI,CAACyoB,UAAL,CAAgB,KAAKb,UAArB,EAAiC,CAAjC,CAAlB;AACD;;AACD,WAAKG,cAAL,GAAsB,CAAtB;AACD;AACF;AAED;;;;;;SAIUS,M,GAAV,kBAA0B,CAAE,C;;;EA9FQzf,a;;;;;;;;AChCtC;AACA;AACA;AACA;AAEO,IAAM2f,KAAK,GAAG;AACnBC,SAAO,EAAE,SADU;AAEnBC,UAAQ,EAAE,UAFS;AAGnBC,MAAI,EAAE,MAHa;AAInBC,QAAM,EAAE,QAJW;AAKnBpgB,aAAW,EAAE,aALM;AAMnBT,cAAY,EAAE,cANK;AAOnB8gB,4BAA0B,EAAE,4BAPT;AAQnBC,eAAa,EAAE,eARI;AASnBC,SAAO,EAAE,SATU;AAUnBC,QAAM,EAAE,QAVW;AAWnBviB,iBAAe,EAAE,iBAXE;AAYnBwiB,OAAK,EAAE,OAZY;AAanB9rC,OAAK,EAAE,OAbY;AAcnB+rC,kBAAgB,EAAE,kBAdC;AAenBC,eAAa,EAAE;AAfI,CAAd;;IAkBcC,2C;;;;;;;;;;;SACnBd,M,GAAA,kBAAU,CAAE,C;;SAEZe,S,GAAA,qBAAa,CAAE,C;;SAEfC,Q,GAAA,oBAAY;AACV,QAAIt8B,IAAI,GAAG,KAAKu8B,WAAhB;;AACA,QAAIv8B,IAAJ,EAAU;AACR,UAAIA,IAAI,CAAC2e,MAAT,EAAiB;AACf3e,YAAI,CAAC2e,MAAL,CAAY4J,KAAZ;AACD;;AACD,WAAK+P,eAAL,CAAqB1J,cAArB,CAAoC5uB,IAApC;AACD;;AACD,QAAI,KAAK8R,OAAT,EAAkB;AAChB,WAAKA,OAAL,CAAazjB,OAAb;AACA,WAAKyjB,OAAL,GAAe,IAAf;AACD;;AACD,SAAKyqB,WAAL,GAAmB,IAAnB;AACA,SAAK3E,YAAL,GAAoB,IAApB;AACA,SAAKoD,aAAL;AACA,SAAKD,aAAL;AACA,SAAKn3B,KAAL,GAAa43B,KAAK,CAACC,OAAnB;AACD,G;;SAEDe,Y,GAAA,sBAAc9L,UAAd,EAA0B/F,YAA1B,EAAwC;AAAA,QAC9B4R,WAD8B,GACG,IADH,CAC9BA,WAD8B;AAAA,QACjBjE,eADiB,GACG,IADH,CACjBA,eADiB,EAEtC;AACA;AACA;AACA;;AACA,QAAI,CAAC3N,YAAY,CAAC7K,IAAd,IAAsByc,WAAtB,IAAqC,CAACA,WAAW,CAAC9H,WAAlD,IAAiE8H,WAAW,CAACzzB,EAAZ,KAAmB6hB,YAAY,CAAC/K,KAAjG,IAA0G,CAAC8Q,UAAU,CAACI,SAA1H,EAAqI;AACnI,UAAM2L,SAAS,GAAGnE,eAAe,CAAC9I,QAAhB,CAAyB+M,WAAzB,CAAlB;AACA,aAAOE,SAAS,KAAKpP,aAAa,CAACG,OAA5B,IAAuCiP,SAAS,KAAKpP,aAAa,CAACI,EAA1E;AACD;;AACD,WAAO,KAAP;AACD,G;;SAEDiP,c,GAAA,0BAAkB;AAAA,QACR/tC,MADQ,GAC8B,IAD9B,CACRA,MADQ;AAAA,QACAy1B,KADA,GAC8B,IAD9B,CACAA,KADA;AAAA,QACOuY,WADP,GAC8B,IAD9B,CACOA,WADP;AAAA,QACoB/4B,KADpB,GAC8B,IAD9B,CACoBA,KADpB;AAEhB,QAAM6tB,WAAW,GAAGrN,KAAK,GAAGA,KAAK,CAACqN,WAAT,GAAuB,IAAhD;AACA,QAAMf,UAAU,GAAGF,YAAY,CAACE,UAAb,CAAwBiM,WAAW,IAAIvY,KAAvC,EAA8CqN,WAA9C,EAA2D,KAAK9iC,MAAL,CAAYygB,aAAvE,CAAnB;;AAEA,QAAI,0CAAgBqiB,WAAhB,CAAJ,EAAkC;AAChCpiC,sBAAM,CAACC,GAAP,uBAA+BmiC,WAAW,CAACiE,OAAZ,CAAoB,CAApB,CAA/B;AACD;;AAED,QAAI9xB,KAAK,KAAK43B,KAAK,CAACzgB,YAApB,EAAkC;AAChC,UAAIwhB,WAAW,GAAG,KAAKA,WAAvB,CADgC,CAEhC;;AACA,UAAI7L,UAAU,CAACx8B,GAAX,KAAmB,CAAnB,IAAwBqoC,WAA5B,EAAyC;AACvC,YAAMK,SAAS,GAAGjuC,MAAM,CAAC6iC,sBAAzB;AACA,YAAMqL,eAAe,GAAGN,WAAW,CAACp/B,KAAZ,GAAoBy/B,SAA5C;AACA,YAAME,aAAa,GAAGP,WAAW,CAACp/B,KAAZ,GAAoBo/B,WAAW,CAAC3oC,QAAhC,GAA2CgpC,SAAjE,CAHuC,CAIvC;;AACA,YAAInL,WAAW,GAAGoL,eAAd,IAAiCpL,WAAW,GAAGqL,aAAnD,EAAkE;AAChE,cAAIP,WAAW,CAAC5d,MAAhB,EAAwB;AACtBtvB,4BAAM,CAACC,GAAP,CAAW,iFAAX;AACAitC,uBAAW,CAAC5d,MAAZ,CAAmB4J,KAAnB;AACD;;AACD,eAAKgU,WAAL,GAAmB,IAAnB;AACA,eAAK3E,YAAL,GAAoB,IAApB,CANgE,CAOhE;;AACA,eAAKh0B,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACD,SATD,MASO;AACLtsC,0BAAM,CAACC,GAAP,CAAW,sEAAX;AACD;AACF;AACF,KArBD,MAqBO,IAAIsU,KAAK,KAAK43B,KAAK,CAACS,KAApB,EAA2B;AAChC;AACA,UAAIvL,UAAU,CAACx8B,GAAX,KAAmB,CAAvB,EAA0B;AACxB,aAAK0jC,YAAL,GAAoB,IAApB;AACA,aAAK2E,WAAL,GAAmB,IAAnB;AACD,OAL+B,CAOhC;;;AACA,WAAK34B,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACD;;AACD,QAAIvX,KAAJ,EAAW;AACT,WAAKyU,eAAL,GAAuBpH,WAAvB;AACD,KA1Ce,CA4ChB;;;AACA,QAAI,CAAC,KAAKsL,cAAV,EAA0B;AACxB,WAAKC,gBAAL,GAAwB,KAAKC,aAAL,GAAqBxL,WAA7C;AACD,KA/Ce,CAiDhB;;;AACA,SAAKqJ,IAAL;AACD,G;;SAEDoC,Y,GAAA,wBAAgB;AACd;AACA,SAAKD,aAAL,GAAqB,KAAKpE,eAAL,GAAuB,CAA5C;AACD,G;;SAEDzc,mB,GAAA,+BAAuB;AACrB,SAAKkgB,QAAL;;AACA,wBAAMlgB,mBAAN;AACD,G;;SAEDE,kB,GAAA,8BAAsB;AACpB,SAAK1Y,KAAL,GAAa43B,KAAK,CAACC,OAAnB;AACA,SAAKnD,eAAL,GAAuB,IAAvB;AACD,G;;SAED6E,mB,GAAA,6BAAqBxG,OAArB,EAA8BhM,YAA9B,EAA4C;AAC1C,QAAIyS,aAAa,GAAG,KAAKzuC,MAAL,CAAY0uC,gBAAZ,KAAiC/uC,SAAjC,GAA6C,KAAKK,MAAL,CAAY0uC,gBAAzD,GAA4E,KAAK1uC,MAAL,CAAY2uC,qBAAZ,GAAoC3S,YAAY,CAACxK,cAAjJ;AACA,WAAOwW,OAAO,GAAG9/B,IAAI,CAAC+U,GAAL,CAAS,CAAT,EAAY+e,YAAY,CAACvK,aAAb,GAA6Bgd,aAAzC,CAAjB;AACD,G;;;EA5G+C3C,Q;;;;;;;;;;;;;;;;ACvBlD;;;AAIA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AAEA,IAAM8C,aAAa,GAAG,GAAtB,C,CAA2B;;IAErBC,kC;;;;;AACJ,4BAAa1hB,GAAb,EAAkBwc,eAAlB,EAAmC;AAAA;;AACjC,6CAAMxc,GAAN,EACE5rB,iBAAK,CAAC8oB,cADR,EAEE9oB,iBAAK,CAAC+oB,eAFR,EAGE/oB,iBAAK,CAACypB,gBAHR,EAIEzpB,iBAAK,CAAC2pB,eAJR,EAKE3pB,iBAAK,CAAC+pB,YALR,EAME/pB,iBAAK,CAACurB,UANR,EAOEvrB,iBAAK,CAACgrB,WAPR,EAQEhrB,iBAAK,CAAC+qB,2BARR,EASE/qB,iBAAK,CAAC+c,yBATR,EAUE/c,iBAAK,CAAC6f,iBAVR,EAWE7f,iBAAK,CAACoc,WAXR,EAYEpc,iBAAK,CAACC,KAZR,EAaED,iBAAK,CAACoqB,qBAbR,EAcEpqB,iBAAK,CAACqqB,oBAdR,EAeErqB,iBAAK,CAACmpB,cAfR,EAgBEnpB,iBAAK,CAACqpB,eAhBR,EAiBErpB,iBAAK,CAACwpB,cAjBR;AAmBA,UAAK4e,eAAL,GAAuBA,eAAvB;AACA,UAAK3pC,MAAL,GAAcmtB,GAAG,CAACntB,MAAlB;AACA,UAAK8uC,cAAL,GAAsB,KAAtB;AACA,UAAKC,MAAL,GAAclC,KAAK,CAACC,OAApB;AACA,UAAKjD,aAAL,GAAqB,KAArB;AACA,UAAKmF,aAAL,GAAqB,IAArB;AACA,UAAKC,QAAL,GAAgB,KAAhB;AA1BiC;AA2BlC;;;;SAEDvB,S,GAAA,mBAAWY,aAAX,EAA0B;AACxB,QAAI,KAAK3Z,MAAT,EAAiB;AACf,UAAIuV,eAAe,GAAG,KAAKA,eAA3B;AAAA,UAA4C/c,GAAG,GAAG,KAAKA,GAAvD;AACA,WAAKwgB,QAAL;AACA,WAAKnB,WAAL,CAAiBoC,aAAjB;AACA,WAAK9e,KAAL,GAAa,CAAC,CAAd;AACA,WAAKof,aAAL,GAAqB,CAArB;;AACA,UAAI,CAAC,KAAKC,kBAAV,EAA8B;AAC5B;AACA,YAAIC,UAAU,GAAGjiB,GAAG,CAACiiB,UAArB;;AACA,YAAIA,UAAU,KAAK,CAAC,CAApB,EAAuB;AACrB;AACAA,oBAAU,GAAG,CAAb;AACA,eAAKrO,WAAL,GAAmB,IAAnB;AACD,SAP2B,CAQ5B;AACA;;;AACA,aAAKjR,KAAL,GAAa3C,GAAG,CAACkiB,aAAJ,GAAoBD,UAAjC;AACA,aAAKhB,cAAL,GAAsB,KAAtB;AACD,OAlBc,CAmBf;;;AACA,UAAIlE,eAAe,GAAG,CAAlB,IAAuBoE,aAAa,KAAK,CAAC,CAA9C,EAAiD;AAC/C5tC,wBAAM,CAACC,GAAP,mDAA2DupC,eAAe,CAACnD,OAAhB,CAAwB,CAAxB,CAA3D;AACAuH,qBAAa,GAAGpE,eAAhB;AACD;;AACD,WAAKj1B,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACA,WAAKqB,gBAAL,GAAwB,KAAKC,aAAL,GAAqB,KAAKpE,eAAL,GAAuBoE,aAApE;AACA,WAAKnC,IAAL;AACD,KA3BD,MA2BO;AACL,WAAKmD,cAAL,GAAsB,IAAtB;AACA,WAAKr6B,KAAL,GAAa43B,KAAK,CAACC,OAAnB;AACD;AACF,G;;SAEDa,Q,GAAA,oBAAY;AACV,SAAK2B,cAAL,GAAsB,KAAtB;;AACA,oCAAM3B,QAAN;AACD,G;;SAEDhB,M,GAAA,kBAAU;AACR,YAAQ,KAAK13B,KAAb;AACA,WAAK43B,KAAK,CAAC/hB,eAAX;AACE;AACA,aAAKokB,aAAL,GAAqB,CAArB;AACA;;AACF,WAAKrC,KAAK,CAACG,IAAX;AACE,aAAKuC,WAAL;;AACA;;AACF,WAAK1C,KAAK,CAACW,aAAX;AACE,YAAI1d,KAAK,GAAG,KAAK6E,MAAL,CAAY,KAAK7E,KAAjB,CAAZ,CADF,CAEE;;AACA,YAAIA,KAAK,IAAIA,KAAK,CAACluB,OAAnB,EAA4B;AAC1B,eAAKqT,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACD;;AAED;;AACF,WAAKH,KAAK,CAACK,0BAAX;AACE,YAAInqB,GAAG,GAAG+U,MAAM,CAAC9U,WAAP,CAAmBD,GAAnB,EAAV;AACA,YAAIysB,SAAS,GAAG,KAAKA,SAArB,CAFF,CAGE;;AACA,YAAI,CAACA,SAAD,IAAezsB,GAAG,IAAIysB,SAAtB,IAAqC,KAAK/Z,KAAL,IAAc,KAAKA,KAAL,CAAWuU,OAAlE,EAA4E;AAC1EtpC,0BAAM,CAACC,GAAP,CAAW,+DAAX;AACA,eAAKsU,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACD;;AACD;;AACF,WAAKH,KAAK,CAACrrC,KAAX;AACA,WAAKqrC,KAAK,CAACC,OAAX;AACA,WAAKD,KAAK,CAACzgB,YAAX;AACA,WAAKygB,KAAK,CAACO,OAAX;AACA,WAAKP,KAAK,CAACQ,MAAX;AACA,WAAKR,KAAK,CAACS,KAAX;AACE;;AACF;AACE;AAjCF,KADQ,CAoCR;;;AACA,SAAKmC,YAAL,GArCQ,CAsCR;;;AACA,SAAKC,qBAAL;AACD,G,CAED;AACA;AACA;;;SACAH,W,GAAA,uBAAe;AACb,QAAMpiB,GAAG,GAAG,KAAKA,GAAjB;AAAA,QACEntB,MAAM,GAAGmtB,GAAG,CAACntB,MADf;AAAA,QAEEy1B,KAAK,GAAG,KAAKA,KAFf,CADa,CAKb;AACA;AACA;;AACA,QAAI,KAAKka,eAAL,KAAyBhwC,SAAzB,IACF,CAAC81B,KAAD,KAAW,KAAK0Z,kBAAL,IAA2B,CAACnvC,MAAM,CAAC4vC,iBAA9C,CADF,EACqE;AACnE;AACD,KAXY,CAab;;;AACA,QAAIj7B,GAAJ;;AACA,QAAI,KAAKy5B,cAAT,EAAyB;AACvBz5B,SAAG,GAAG8gB,KAAK,CAACqN,WAAZ;AACD,KAFD,MAEO;AACLnuB,SAAG,GAAG,KAAK05B,gBAAX;AACD,KAnBY,CAqBb;;;AACA,QAAIve,KAAK,GAAG3C,GAAG,CAACkiB,aAAhB;AAAA,QACEQ,SAAS,GAAG,KAAKlb,MAAL,CAAY7E,KAAZ,CADd;;AAGA,QAAI,CAAC+f,SAAL,EAAgB;AACd;AACD;;AAED,QAAIC,YAAY,GAAGD,SAAS,CAAC3a,OAA7B;AAAA,QACE6a,SADF,CA7Ba,CAgCb;;AACA,QAAID,YAAJ,EAAkB;AAChBC,eAAS,GAAG7nC,IAAI,CAAC+U,GAAL,CAAS,IAAIjd,MAAM,CAACgwC,aAAX,GAA2BF,YAApC,EAAkD9vC,MAAM,CAACiwC,eAAzD,CAAZ;AACD,KAFD,MAEO;AACLF,eAAS,GAAG/vC,MAAM,CAACiwC,eAAnB;AACD;;AAEDF,aAAS,GAAG7nC,IAAI,CAACC,GAAL,CAAS4nC,SAAT,EAAoB/vC,MAAM,CAACkwC,kBAA3B,CAAZ,CAvCa,CAyCb;AACA;;AAEA,QAAMnO,UAAU,GAAGF,YAAY,CAACE,UAAb,CAAwB,KAAKiM,WAAL,GAAmB,KAAKA,WAAxB,GAAsCvY,KAA9D,EAAqE9gB,GAArE,EAA0E3U,MAAM,CAACygB,aAAjF,CAAnB;AAAA,QACE+hB,SAAS,GAAGT,UAAU,CAACx8B,GADzB,CA5Ca,CA8Cb;;AACA,QAAIi9B,SAAS,IAAIuN,SAAjB,EAA4B;AAC1B;AACD,KAjDY,CAmDb;;;AACArvC,oBAAM,CAAC6hB,KAAP,uBAAiCigB,SAAS,CAACuE,OAAV,CAAkB,CAAlB,CAAjC,yBAAyEgJ,SAAS,CAAChJ,OAAV,CAAkB,CAAlB,CAAzE,sCApDa,CAsDb;;AACA,SAAKjX,KAAL,GAAa3C,GAAG,CAACkiB,aAAJ,GAAoBvf,KAAjC;AAEA,QAAMkM,YAAY,GAAG6T,SAAS,CAACjuC,OAA/B,CAzDa,CA0Db;AACA;AACA;;AACA,QAAI,CAACo6B,YAAD,IAAkBA,YAAY,CAAC7K,IAAb,IAAqB,KAAKwe,eAAL,KAAyB7f,KAApE,EAA4E;AAC1E,WAAK7a,KAAL,GAAa43B,KAAK,CAACW,aAAnB;AACA;AACD;;AAED,QAAI,KAAKK,YAAL,CAAkB9L,UAAlB,EAA8B/F,YAA9B,CAAJ,EAAiD;AAC/C,UAAM1hC,IAAI,GAAG,EAAb;;AACA,UAAI,KAAK20C,QAAT,EAAmB;AACjB30C,YAAI,CAACmH,IAAL,GAAY,OAAZ;AACD;;AAED,WAAK0rB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACspB,UAAvB,EAAmCvwB,IAAnC;AACA,WAAK2a,KAAL,GAAa43B,KAAK,CAACS,KAAnB;AACA;AACD,KA3EY,CA4Eb;;;AACA,SAAK6C,kBAAL,CAAwBx7B,GAAxB,EAA6BotB,UAA7B,EAAyC/F,YAAzC;AACD,G;;SAEDmU,kB,GAAA,4BAAoBx7B,GAApB,EAAyBotB,UAAzB,EAAqC/F,YAArC,EAAmD;AACjD,QAAMiN,YAAY,GAAG,KAAKA,YAA1B;AAAA,QACEnZ,KAAK,GAAG,KAAKA,KADf;AAAA,QAEEoB,SAAS,GAAG8K,YAAY,CAAC9K,SAF3B;AAAA,QAGEkf,OAAO,GAAGlf,SAAS,CAAC7zB,MAHtB,CADiD,CAMjD;;AACA,QAAI+yC,OAAO,KAAK,CAAhB,EAAmB;AACjB;AACD,KATgD,CAWjD;;;AACA,QAAI5hC,KAAK,GAAG0iB,SAAS,CAAC,CAAD,CAAT,CAAa1iB,KAAzB;AAAA,QACE4T,GAAG,GAAG8O,SAAS,CAACkf,OAAO,GAAG,CAAX,CAAT,CAAuB5hC,KAAvB,GAA+B0iB,SAAS,CAACkf,OAAO,GAAG,CAAX,CAAT,CAAuBnrC,QAD9D;AAAA,QAEE09B,SAAS,GAAGZ,UAAU,CAAC3f,GAFzB;AAAA,QAGE/Q,IAHF;;AAKA,QAAI2qB,YAAY,CAACj3B,WAAb,IAA4B,CAACi3B,YAAY,CAACj3B,WAAb,CAAyBzK,IAA1D,EAAgE;AAC9D+W,UAAI,GAAG2qB,YAAY,CAACj3B,WAApB;AACD,KAFD,MAEO;AACL;AACA,UAAIi3B,YAAY,CAAC7K,IAAjB,EAAuB;AACrB,YAAIkf,uBAAuB,GAAG,KAAKrwC,MAAL,CAAYqwC,uBAA1C;;AACA,YAAID,OAAO,GAAGC,uBAAd,EAAuC;AACrC3vC,0BAAM,CAACgN,IAAP,sEAA+E0iC,OAA/E,WAA4FC,uBAA5F;AACA;AACD;;AAEDh/B,YAAI,GAAG,KAAKi/B,0BAAL,CAAgCtU,YAAhC,EAA8C2G,SAA9C,EAAyDn0B,KAAzD,EAAgE4T,GAAhE,EAAqE6mB,YAArE,EAAmF/X,SAAnF,EAA8Fkf,OAA9F,CAAP,CAPqB,CAQrB;;AACA,YAAI/+B,IAAI,KAAK,IAAb,EAAmB;AACjB;AACD;AACF,OAZD,MAYO;AACL;AACA,YAAIsxB,SAAS,GAAGn0B,KAAhB,EAAuB;AACrB6C,cAAI,GAAG6f,SAAS,CAAC,CAAD,CAAhB;AACD;AACF;AACF;;AACD,QAAI,CAAC7f,IAAL,EAAW;AACTA,UAAI,GAAG,KAAKk/B,aAAL,CAAmB/hC,KAAnB,EAA0By6B,YAA1B,EAAwCmH,OAAxC,EAAiDlf,SAAjD,EAA4DyR,SAA5D,EAAuEvgB,GAAvE,EAA4E4Z,YAA5E,CAAP;AACD;;AAED,QAAI3qB,IAAJ,EAAU;AACR,UAAIA,IAAI,CAACm/B,SAAT,EAAoB;AAClB9vC,wBAAM,CAACC,GAAP,sBAA8B0Q,IAAI,CAAC8I,EAAnC,aAA6C6hB,YAAY,CAAC1K,OAA1D,UAAsE0K,YAAY,CAAC/K,KAAnF,gBAAmGnB,KAAnG;;AACA,aAAK2gB,QAAL,CAAcp/B,IAAd;AACD,OAHD,MAGO;AACL3Q,wBAAM,CAACC,GAAP,cAAsB0Q,IAAI,CAAC8I,EAA3B,aAAqC6hB,YAAY,CAAC1K,OAAlD,UAA8D0K,YAAY,CAAC/K,KAA3E,gBAA2FnB,KAA3F,sBAAiHnb,GAAG,CAACoyB,OAAJ,CAAY,CAAZ,CAAjH,mBAA6IpE,SAAS,CAACoE,OAAV,CAAkB,CAAlB,CAA7I;;AACA,aAAK2J,aAAL,CAAmBr/B,IAAnB;AACD;AACF;AACF,G;;SAEDi/B,0B,GAAA,oCAA4BtU,YAA5B,EAA0C2G,SAA1C,EAAqDn0B,KAArD,EAA4D4T,GAA5D,EAAiE6mB,YAAjE,EAA+E/X,SAA/E,EAA0Fkf,OAA1F,EAAmG;AACjG,QAAMpwC,MAAM,GAAG,KAAKmtB,GAAL,CAASntB,MAAxB;AAAA,QAAgCy1B,KAAK,GAAG,KAAKA,KAA7C;AAEA,QAAIpkB,IAAJ,CAHiG,CAKjG;AACA;;AACA,QAAIs/B,UAAU,GAAG3wC,MAAM,CAAC4wC,sBAAP,KAAkCjxC,SAAlC,GAA8CK,MAAM,CAAC4wC,sBAArD,GAA8E5wC,MAAM,CAAC6wC,2BAAP,GAAqC7U,YAAY,CAACxK,cAAjJ;;AAEA,QAAImR,SAAS,GAAGz6B,IAAI,CAAC+U,GAAL,CAASzO,KAAK,GAAGxO,MAAM,CAAC6iC,sBAAxB,EAAgDzgB,GAAG,GAAGuuB,UAAtD,CAAhB,EAAmF;AACjF,UAAIG,gBAAgB,GAAG,KAAKA,gBAAL,GAAwB,KAAKtC,mBAAL,CAAyBhgC,KAAzB,EAAgCwtB,YAAhC,CAA/C;AACA2G,eAAS,GAAGmO,gBAAZ;;AACA,UAAIrb,KAAK,IAAI,CAACA,KAAK,CAAC+U,MAAhB,IAA0B/U,KAAK,CAACsb,UAAhC,IAA8Ctb,KAAK,CAACxwB,QAAN,GAAiB6rC,gBAA/D,IAAmFA,gBAAgB,GAAGrb,KAAK,CAACqN,WAAhH,EAA6H;AAC3HpiC,wBAAM,CAACC,GAAP,kBAA0BgiC,SAAS,CAACoE,OAAV,CAAkB,CAAlB,CAA1B,0FAAmI+J,gBAAgB,CAAC/J,OAAjB,CAAyB,CAAzB,CAAnI;AACAtR,aAAK,CAACqN,WAAN,GAAoBgO,gBAApB;AACD;;AAED,WAAKzC,gBAAL,GAAwByC,gBAAxB;AACD,KAlBgG,CAoBjG;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;;AACA,QAAI9U,YAAY,CAACqJ,QAAb,IAAyB1C,SAAS,GAAGvgB,GAArC,IAA4CqT,KAA5C,IAAqDA,KAAK,CAACsb,UAA/D,EAA2E;AACzE,aAAO,IAAP;AACD;;AAED,QAAI,KAAK5B,kBAAL,IAA2B,CAACnT,YAAY,CAACqJ,QAA7C,EAAuD;AACrD;;;;AAIA,UAAI4D,YAAJ,EAAkB;AAChB,YAAIjN,YAAY,CAACsM,kBAAjB,EAAqC;AACnC;AACA5nC,0BAAM,CAACC,GAAP,kEAA0EsoC,YAAY,CAAC1Z,eAAvF;AACAle,cAAI,GAAGo3B,iBAAiB,CAACvX,SAAD,EAAY+X,YAAY,CAACpR,kBAAzB,EAA6C73B,MAAM,CAAC6iC,sBAApD,CAAxB;AACD,SAJD,MAIO;AACL;AACA,cAAMmO,QAAQ,GAAG/H,YAAY,CAAC9uB,EAAb,GAAkB,CAAnC;;AACA,cAAI62B,QAAQ,IAAIhV,YAAY,CAAC1K,OAAzB,IAAoC0f,QAAQ,IAAIhV,YAAY,CAAC/K,KAAjE,EAAwE;AACtE,gBAAMiY,QAAQ,GAAGhY,SAAS,CAAC8f,QAAQ,GAAGhV,YAAY,CAAC1K,OAAzB,CAA1B;;AACA,gBAAI2X,YAAY,CAACvZ,EAAb,KAAoBwZ,QAAQ,CAACxZ,EAAjC,EAAqC;AACnCre,kBAAI,GAAG63B,QAAP;AACAxoC,8BAAM,CAACC,GAAP,iEAAyE0Q,IAAI,CAAC8I,EAA9E;AACD;AACF,WATI,CAUL;AACA;;;AACA,cAAI,CAAC9I,IAAL,EAAW;AACTA,gBAAI,GAAG+vB,aAAY,CAACC,MAAb,CAAoBnQ,SAApB,EAA+B,UAAU7f,IAAV,EAAgB;AACpD,qBAAO43B,YAAY,CAACvZ,EAAb,GAAkBre,IAAI,CAACqe,EAA9B;AACD,aAFM,CAAP;;AAGA,gBAAIre,IAAJ,EAAU;AACR3Q,8BAAM,CAACC,GAAP,iEAAyE0Q,IAAI,CAAC8I,EAA9E;AACD;AACF;AACF;AACF;;AACD,UAAI,CAAC9I,IAAL,EAAW;AACT;;;AAGAA,YAAI,GAAG6f,SAAS,CAAChpB,IAAI,CAACC,GAAL,CAASioC,OAAO,GAAG,CAAnB,EAAsBloC,IAAI,CAAC6J,KAAL,CAAWq+B,OAAO,GAAG,CAArB,CAAtB,CAAD,CAAhB;AACA1vC,wBAAM,CAACC,GAAP,qEAA6E0Q,IAAI,CAAC8I,EAAlF;AACD;AACF;;AAED,WAAO9I,IAAP;AACD,G;;SAEDk/B,a,GAAA,uBAAe/hC,KAAf,EAAsByiC,gBAAtB,EAAwCC,kBAAxC,EAA4DhgB,SAA5D,EAAuEyR,SAAvE,EAAkFvgB,GAAlF,EAAuF4Z,YAAvF,EAAqG;AACnG,QAAMh8B,MAAM,GAAG,KAAKmtB,GAAL,CAASntB,MAAxB;AACA,QAAImxC,YAAJ;;AAEA,QAAIxO,SAAS,GAAGvgB,GAAhB,EAAqB;AACnB,UAAMgvB,eAAe,GAAIzO,SAAS,GAAGvgB,GAAG,GAAGpiB,MAAM,CAAC6iC,sBAA1B,GAAoD,CAApD,GAAwD7iC,MAAM,CAAC6iC,sBAAvF,CADmB,CAEnB;AACA;;AACAsO,kBAAY,GAAGnI,iBAAiB,CAACiI,gBAAD,EAAmB/f,SAAnB,EAA8ByR,SAA9B,EAAyCyO,eAAzC,CAAhC;AACD,KALD,MAKO;AACL;AACAD,kBAAY,GAAGjgB,SAAS,CAACggB,kBAAkB,GAAG,CAAtB,CAAxB;AACD;;AAED,QAAIC,YAAJ,EAAkB;AAChB,UAAME,QAAQ,GAAGF,YAAY,CAACh3B,EAAb,GAAkB6hB,YAAY,CAAC1K,OAAhD;AACA,UAAMggB,SAAS,GAAGL,gBAAgB,IAAIE,YAAY,CAACrhB,KAAb,KAAuBmhB,gBAAgB,CAACnhB,KAA9E;AACA,UAAMyhB,UAAU,GAAGrgB,SAAS,CAACmgB,QAAQ,GAAG,CAAZ,CAA5B;AACA,UAAMG,UAAU,GAAGtgB,SAAS,CAACmgB,QAAQ,GAAG,CAAZ,CAA5B,CAJgB,CAMhB;;AACA,UAAIJ,gBAAgB,IAAIE,YAAY,CAACh3B,EAAb,KAAoB82B,gBAAgB,CAAC92B,EAA7D,EAAiE;AAC/D,YAAIm3B,SAAS,IAAI,CAACH,YAAY,CAACrL,WAA/B,EAA4C;AAC1C,cAAIqL,YAAY,CAACh3B,EAAb,GAAkB6hB,YAAY,CAAC/K,KAAnC,EAA0C;AACxC,gBAAI5B,QAAQ,GAAG4hB,gBAAgB,CAAC5hB,QAAhC,CADwC,CAExC;AACA;AACA;AACA;;AACA,gBAAIA,QAAQ,IAAIA,QAAQ,GAAGrvB,MAAM,CAACygB,aAA9B,IAA+CwwB,gBAAgB,CAACnjC,OAAhE,IAA2EujC,QAA/E,EAAyF;AACvFF,0BAAY,GAAGI,UAAf;AACA7wC,8BAAM,CAACgN,IAAP,CAAY,wKAAZ;AACD,aAHD,MAGO;AACLyjC,0BAAY,GAAGK,UAAf;AACA9wC,8BAAM,CAACC,GAAP,mCAA2CwwC,YAAY,CAACh3B,EAAxD;AACD;AACF,WAbD,MAaO;AACLg3B,wBAAY,GAAG,IAAf;AACD;AACF,SAjBD,MAiBO,IAAIA,YAAY,CAACrL,WAAjB,EAA8B;AACnC;AACA,cAAI0L,UAAU,IAAIA,UAAU,CAAC1L,WAA7B,EAA0C;AACxCplC,4BAAM,CAACgN,IAAP,wCAAiD8jC,UAAU,CAACr3B,EAA5D,yCAAkGg3B,YAAY,CAACh3B,EAA/G,2BAAuIq3B,UAAU,CAACr3B,EAAlJ;AACAg3B,wBAAY,GAAGK,UAAf;AACD,WAHD,MAGO;AACL;AACA;AACA9wC,4BAAM,CAACgN,IAAP,CAAY,gFAAZ;AACAyjC,wBAAY,CAACrjC,OAAb,GAAuB,CAAvB;;AACA,gBAAIyjC,UAAJ,EAAgB;AACdJ,0BAAY,GAAGI,UAAf;AACAJ,0BAAY,CAACrL,WAAb,GAA2B,IAA3B;AACD,aAHD,MAGO,IAAIuL,QAAJ,EAAc;AACnB;AACAF,0BAAY,GAAG,IAAf;AACD;AACF;AACF;AACF;AACF;;AAED,WAAOA,YAAP;AACD,G;;SAEDV,Q,GAAA,kBAAUp/B,IAAV,EAAgB;AACd,SAAK4D,KAAL,GAAa43B,KAAK,CAAChgB,WAAnB;AACA,SAAKM,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACsrB,WAAvB,EAAoC;AAAExb,UAAI,EAAJA;AAAF,KAApC;AACD,G;;SAEDq/B,a,GAAA,uBAAer/B,IAAf,EAAqB;AACnB;AACA,QAAIy8B,SAAS,GAAG,KAAKnE,eAAL,CAAqB9I,QAArB,CAA8BxvB,IAA9B,CAAhB;AAEA,SAAKu8B,WAAL,GAAmBv8B,IAAnB;;AACA,QAAIA,IAAI,CAAC8I,EAAL,KAAY,aAAhB,EAA+B;AAC7B,WAAKg1B,kBAAL,GAA0B,IAA1B;AACD,KAPkB,CAQnB;;;AACA,QAAI,0CAAgB99B,IAAI,CAAC8I,EAArB,KAA4B,CAAC9I,IAAI,CAAC0vB,WAAtC,EAAmD;AACjD,WAAKsN,gBAAL,GAAwBh9B,IAAI,CAAC7C,KAAL,GAAa6C,IAAI,CAACpM,QAA1C;AACD,KAXkB,CAanB;;;AACA,QAAIoM,IAAI,CAACy0B,WAAL,IAAoBgI,SAAS,KAAKpP,aAAa,CAACC,UAAhD,IAA8DmP,SAAS,KAAKpP,aAAa,CAACG,OAA9F,EAAuG;AACrGxtB,UAAI,CAACogC,SAAL,GAAiB,KAAKtkB,GAAL,CAASukB,gBAA1B;AACArgC,UAAI,CAAC0vB,WAAL,GAAmB,KAAKA,WAAxB;AAEA,WAAK5T,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAAC6qB,YAAvB,EAAqC;AAAE/a,YAAI,EAAJA;AAAF,OAArC,EAJqG,CAKrG;;AACA,UAAI,CAAC,KAAK8R,OAAV,EAAmB;AACjB,aAAKA,OAAL,GAAe,IAAI+f,aAAJ,CAAY,KAAK/V,GAAjB,EAAsB,MAAtB,CAAf;AACD;;AAED,WAAKlY,KAAL,GAAa43B,KAAK,CAACzgB,YAAnB;AACD,KAXD,MAWO,IAAI0hB,SAAS,KAAKpP,aAAa,CAACE,SAAhC,EAA2C;AAChD;AACA,UAAI,KAAK+S,sBAAL,CAA4BtgC,IAAI,CAACpM,QAAjC,CAAJ,EAAgD;AAC9C,aAAK0kC,eAAL,CAAqB1J,cAArB,CAAoC5uB,IAApC;AACD;AACF;AACF,G;;SAeD8tB,e,GAAA,yBAAiBr3B,QAAjB,EAA2B;AACzB,WAAO,KAAK6hC,eAAL,CAAqBxK,eAArB,CAAqCr3B,QAArC,EAA+CsmB,iBAAiB,CAACmK,IAAjE,CAAP;AACD,G;;SAuBDqZ,qB,GAAA,+BAAuBvgC,IAAvB,EAA6B;AAC3B,QAAIA,IAAJ,EAAU;AACR;AACA,aAAO,KAAK8tB,eAAL,CAAqB9tB,IAAI,CAAC+L,MAAL,GAAc,GAAnC,CAAP;AACD;;AACD,WAAO,IAAP;AACD,G;;SAWDsyB,qB,GAAA,iCAAyB;AACvB,QAAImC,kBAAJ;AAAA,QAAwB/O,WAAxB;AAAA,QAAqC/1B,KAAK,GAAG,KAAK0oB,KAAlD;;AACA,QAAI1oB,KAAK,IAAIA,KAAK,CAACgkC,UAAf,IAA6BhkC,KAAK,CAACi9B,OAAN,KAAkB,KAAnD,EAA0D;AACxDlH,iBAAW,GAAG/1B,KAAK,CAAC+1B,WAApB;AACA;;;;;;;AAMA,UAAIA,WAAW,GAAG,KAAKoH,eAAvB,EAAwC;AACtC,aAAKA,eAAL,GAAuBpH,WAAvB;AACD;;AAED,UAAIjB,YAAY,CAACC,UAAb,CAAwB/0B,KAAxB,EAA+B+1B,WAA/B,CAAJ,EAAiD;AAC/C+O,0BAAkB,GAAG,KAAK1S,eAAL,CAAqB2D,WAArB,CAArB;AACD,OAFD,MAEO,IAAIjB,YAAY,CAACC,UAAb,CAAwB/0B,KAAxB,EAA+B+1B,WAAW,GAAG,GAA7C,CAAJ,EAAuD;AAC5D;;;;;AAKA+O,0BAAkB,GAAG,KAAK1S,eAAL,CAAqB2D,WAAW,GAAG,GAAnC,CAArB;AACD;;AACD,UAAI+O,kBAAJ,EAAwB;AACtB,YAAIC,WAAW,GAAGD,kBAAlB;;AACA,YAAIC,WAAW,KAAK,KAAKA,WAAzB,EAAsC;AACpC,eAAK3kB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACkrB,YAAvB,EAAqC;AAAEpb,gBAAI,EAAEygC;AAAR,WAArC;AACA,cAAMC,gBAAgB,GAAGD,WAAW,CAAChiB,KAArC;;AACA,cAAI,CAAC,KAAKgiB,WAAN,IAAqB,KAAKA,WAAL,CAAiBhiB,KAAjB,KAA2BiiB,gBAApD,EAAsE;AACpE,iBAAK5kB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAAC6pB,cAAvB,EAAuC;AAAE0E,mBAAK,EAAEiiB;AAAT,aAAvC;AACD;;AAED,eAAKD,WAAL,GAAmBA,WAAnB;AACD;AACF;AACF;AACF;AAED;;;;;;;;SAMAE,oB,GAAA,gCAAwB;AACtBtxC,oBAAM,CAACC,GAAP,CAAW,sBAAX;;AACA,QAAI,CAAC,KAAKsxC,eAAV,EAA2B;AACzB,WAAKA,eAAL,GAAuB,IAAvB;AACA,UAAIxc,KAAK,GAAG,KAAKA,KAAjB;AAAA,UAAwByc,gBAAxB;;AACA,UAAIzc,KAAJ,EAAW;AACTyc,wBAAgB,GAAGzc,KAAK,CAAC+U,MAAzB;AACA/U,aAAK,CAAC0c,KAAN;AACD,OAHD,MAGO;AACL;AACAD,wBAAgB,GAAG,IAAnB;AACD;;AACD,WAAKA,gBAAL,GAAwBA,gBAAxB;AACD;;AACD,QAAItE,WAAW,GAAG,KAAKA,WAAvB;;AACA,QAAIA,WAAW,IAAIA,WAAW,CAAC5d,MAA/B,EAAuC;AACrC4d,iBAAW,CAAC5d,MAAZ,CAAmB4J,KAAnB;AACD;;AAED,SAAKgU,WAAL,GAAmB,IAAnB,CAnBsB,CAoBtB;;AACA,SAAKwE,eAAL,CAAqB,CAArB,EAAwBjgB,MAAM,CAACkgB,iBAA/B;AACD;AAED;;;;;;;SAKAC,uB,GAAA,mCAA2B;AACzB,QAAM7c,KAAK,GAAG,KAAKA,KAAnB;;AACA,QAAIA,KAAK,IAAIA,KAAK,CAAC8J,QAAN,CAAeliC,MAA5B,EAAoC;AAClC,WAAK40C,eAAL,GAAuB,KAAvB;;AACA,UAAIpQ,YAAY,CAACC,UAAb,CAAwBrM,KAAxB,EAA+BA,KAAK,CAACqN,WAArC,CAAJ,EAAuD;AACrD;AACArN,aAAK,CAACqN,WAAN,IAAqB,MAArB;AACD;;AACD,UAAI,CAAC,KAAKoP,gBAAV,EAA4B;AAC1Bzc,aAAK,CAAC8c,IAAN;AACD;AACF;AACF;AAED;;;;;;;;SAMAC,e,GAAA,2BAAmB;AACjB,QAAM/c,KAAK,GAAG,KAAKA,KAAnB,CADiB,CAEjB;;AACA,QAAIA,KAAK,IAAIA,KAAK,CAACsb,UAAnB,EAA+B;AAC7B,UAAI0B,UAAJ,EAAgBZ,kBAAhB,EAAoCa,gBAApC;AACAb,wBAAkB,GAAG,KAAK1S,eAAL,CAAqB1J,KAAK,CAACqN,WAA3B,CAArB;;AACA,UAAI+O,kBAAkB,IAAIA,kBAAkB,CAACx0B,QAAnB,GAA8B,CAAxD,EAA2D;AACzD;AACA;AACA,aAAK+0B,eAAL,CAAqB,CAArB,EAAwBP,kBAAkB,CAACx0B,QAAnB,GAA8B,CAAtD;AACD;;AACD,UAAI,CAACoY,KAAK,CAAC+U,MAAX,EAAmB;AACjB;AACA,YAAImI,WAAW,GAAG,KAAKxlB,GAAL,CAASkiB,aAA3B;AAAA,YAA0CuD,SAAS,GAAG,KAAKje,MAAL,CAAYge,WAAZ,CAAtD;AAAA,YAAgFE,YAAY,GAAG,KAAKA,YAApG;;AACA,YAAIA,YAAY,IAAI,KAAKjF,WAAzB,EAAsC;AACpC6E,oBAAU,GAAG,KAAK7E,WAAL,CAAiB3oC,QAAjB,GAA4B2tC,SAAS,CAAC1d,OAAtC,IAAiD,OAAO2d,YAAxD,IAAwE,CAArF;AACD,SAFD,MAEO;AACLJ,oBAAU,GAAG,CAAb;AACD;AACF,OARD,MAQO;AACLA,kBAAU,GAAG,CAAb;AACD,OAlB4B,CAmB7B;AACA;;;AACAC,sBAAgB,GAAG,KAAKvT,eAAL,CAAqB1J,KAAK,CAACqN,WAAN,GAAoB2P,UAAzC,CAAnB;;AACA,UAAIC,gBAAJ,EAAsB;AACpB;AACAA,wBAAgB,GAAG,KAAKd,qBAAL,CAA2Bc,gBAA3B,CAAnB;;AACA,YAAIA,gBAAJ,EAAsB;AACpB;AACA,cAAI9E,WAAW,GAAG,KAAKA,WAAvB;;AACA,cAAIA,WAAW,IAAIA,WAAW,CAAC5d,MAA/B,EAAuC;AACrC4d,uBAAW,CAAC5d,MAAZ,CAAmB4J,KAAnB;AACD;;AAED,eAAKgU,WAAL,GAAmB,IAAnB,CAPoB,CAQpB;AACA;AACA;;AACA,eAAKwE,eAAL,CAAqBM,gBAAgB,CAACxN,WAAtC,EAAmD/S,MAAM,CAACkgB,iBAA1D;AACD;AACF;AACF;AACF,G;;SAEDD,e,GAAA,yBAAiBx8B,WAAjB,EAA8Bk9B,SAA9B,EAAyC;AACvC,SAAK79B,KAAL,GAAa43B,KAAK,CAAC/hB,eAAnB;AACA,QAAIioB,UAAU,GAAG;AAAEn9B,iBAAW,EAAEA,WAAf;AAA4Bk9B,eAAS,EAAEA;AAAvC,KAAjB,CAFuC,CAGvC;;AACA,QAAI,KAAK7D,QAAT,EAAmB;AACjB8D,gBAAU,CAACtxC,IAAX,GAAkB,OAAlB;AACD;;AAED,SAAK0rB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACupB,eAAvB,EAAwCioB,UAAxC;AACD,G;;SAEDC,e,GAAA,yBAAiB14C,IAAjB,EAAuB;AACrB,QAAIm7B,KAAK,GAAG,KAAKA,KAAL,GAAa,KAAKuY,WAAL,GAAmB1zC,IAAI,CAACm7B,KAAjD;AACA,SAAKwd,UAAL,GAAkB,KAAKlF,cAAL,CAAoBtjC,IAApB,CAAyB,IAAzB,CAAlB;AACA,SAAKyoC,SAAL,GAAiB,KAAKC,aAAL,CAAmB1oC,IAAnB,CAAwB,IAAxB,CAAjB;AACA,SAAK2oC,QAAL,GAAgB,KAAK7E,YAAL,CAAkB9jC,IAAlB,CAAuB,IAAvB,CAAhB;AACAgrB,SAAK,CAAC7Q,gBAAN,CAAuB,SAAvB,EAAkC,KAAKquB,UAAvC;AACAxd,SAAK,CAAC7Q,gBAAN,CAAuB,QAAvB,EAAiC,KAAKsuB,SAAtC;AACAzd,SAAK,CAAC7Q,gBAAN,CAAuB,OAAvB,EAAgC,KAAKwuB,QAArC;AACA,QAAIpzC,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAI,KAAK20B,MAAL,IAAe30B,MAAM,CAACqzC,aAA1B,EAAyC;AACvC,WAAKlmB,GAAL,CAASugB,SAAT,CAAmB1tC,MAAM,CAACsuC,aAA1B;AACD;;AAED,SAAKU,aAAL,GAAqB,IAAItF,4BAAJ,CAAkB1pC,MAAlB,EAA0By1B,KAA1B,EAAiC,KAAKkU,eAAtC,EAAuD,KAAKxc,GAA5D,CAArB;AACD,G;;SAEDmmB,gB,GAAA,4BAAoB;AAClB,QAAI7d,KAAK,GAAG,KAAKA,KAAjB;;AACA,QAAIA,KAAK,IAAIA,KAAK,CAACgV,KAAnB,EAA0B;AACxB/pC,sBAAM,CAACC,GAAP,CAAW,oDAAX;AACA,WAAK2tC,aAAL,GAAqB,KAAKpE,eAAL,GAAuB,CAA5C;AACD,KALiB,CAOlB;;;AACA,QAAIvV,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAIA,MAAJ,EAAY;AACVA,YAAM,CAAC7hB,OAAP,CAAe,UAAAgd,KAAK,EAAI;AACtB,YAAIA,KAAK,CAACluB,OAAV,EAAmB;AACjBkuB,eAAK,CAACluB,OAAN,CAAcsvB,SAAd,CAAwBpe,OAAxB,CAAgC,UAAA2W,QAAQ,EAAI;AAC1CA,oBAAQ,CAACqc,WAAT,GAAuBnmC,SAAvB;AACD,WAFD;AAGD;AACF,OAND;AAOD,KAjBiB,CAmBlB;;;AACA,QAAI81B,KAAJ,EAAW;AACTA,WAAK,CAACyO,mBAAN,CAA0B,SAA1B,EAAqC,KAAK+O,UAA1C;AACAxd,WAAK,CAACyO,mBAAN,CAA0B,QAA1B,EAAoC,KAAKgP,SAAzC;AACAzd,WAAK,CAACyO,mBAAN,CAA0B,OAA1B,EAAmC,KAAKkP,QAAxC;AACA,WAAKH,UAAL,GAAkB,KAAKC,SAAL,GAAiB,KAAKE,QAAL,GAAgB,IAAnD;AACD;;AAED,SAAKzJ,eAAL,CAAqBxI,kBAArB;AACA,SAAK1L,KAAL,GAAa,KAAKuY,WAAL,GAAmB,IAAhC;AACA,SAAKI,cAAL,GAAsB,KAAtB;AACA,SAAKT,QAAL;AACD,G;;SAEDwF,a,GAAA,yBAAiB;AACf,QAAM1d,KAAK,GAAG,KAAKA,KAAnB;AACA,QAAMqN,WAAW,GAAGrN,KAAK,GAAGA,KAAK,CAACqN,WAAT,GAAuBnjC,SAAhD;AAFe,QAGP2qC,mBAHO,GAGiB,KAAKtqC,MAHtB,CAGPsqC,mBAHO,EAKf;;AACA,QAAI,CAACA,mBAAD,IAAwB,CAAC,KAAK0E,aAAL,CAAmBzE,2BAAnB,EAA7B,EAA+E;AAC7E,WAAKpd,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACyrB,mBAAvB;AACD;;AAED,QAAI,0CAAgB8V,WAAhB,CAAJ,EAAkC;AAChCpiC,sBAAM,CAACC,GAAP,sBAA8BmiC,WAAW,CAACiE,OAAZ,CAAoB,CAApB,CAA9B;AACD,KAZc,CAcf;;;AACA,SAAKoF,IAAL;AACD,G;;SAEDhT,iB,GAAA,6BAAqB;AACnB;AACAz4B,oBAAM,CAACC,GAAP,CAAW,sBAAX;AACA,SAAKwsB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACipB,YAAvB;AACA,SAAKmf,eAAL,CAAqBxI,kBAArB;AACA,SAAK2I,OAAL,GAAe,KAAf;AACA,SAAKwE,aAAL,GAAqB,KAAKpE,eAAL,GAAuB,CAA5C;AACD,G;;SAEDqJ,gB,GAAA,0BAAkBj5C,IAAlB,EAAwB;AACtB,QAAIk5C,GAAG,GAAG,KAAV;AAAA,QAAiBC,KAAK,GAAG,KAAzB;AAAA,QAAgCvwC,KAAhC;AACA5I,QAAI,CAACq6B,MAAL,CAAY7hB,OAAZ,CAAoB,UAAAgd,KAAK,EAAI;AAC3B;AACA5sB,WAAK,GAAG4sB,KAAK,CAAC5tB,UAAd;;AACA,UAAIgB,KAAJ,EAAW;AACT,YAAIA,KAAK,CAACH,OAAN,CAAc,WAAd,MAA+B,CAAC,CAApC,EAAuC;AACrCywC,aAAG,GAAG,IAAN;AACD;;AAED,YAAItwC,KAAK,CAACH,OAAN,CAAc,WAAd,MAA+B,CAAC,CAApC,EAAuC;AACrC0wC,eAAK,GAAG,IAAR;AACD;AACF;AACF,KAZD;AAaA,SAAKC,gBAAL,GAAyBF,GAAG,IAAIC,KAAhC;;AACA,QAAI,KAAKC,gBAAT,EAA2B;AACzBhzC,sBAAM,CAACC,GAAP,CAAW,wEAAX;AACD;;AAED,SAAKsuC,QAAL,GAAgB30C,IAAI,CAAC20C,QAArB;AACA,SAAKta,MAAL,GAAcr6B,IAAI,CAACq6B,MAAnB;AACA,SAAKwa,kBAAL,GAA0B,KAA1B;AACA,QAAInvC,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAIA,MAAM,CAACqzC,aAAP,IAAwB,KAAK/D,cAAjC,EAAiD;AAC/C,WAAKniB,GAAL,CAASugB,SAAT,CAAmB1tC,MAAM,CAACsuC,aAA1B;AACD;AACF,G;;SAEDqF,a,GAAA,uBAAer5C,IAAf,EAAqB;AACnB,QAAMkrC,UAAU,GAAGlrC,IAAI,CAACsH,OAAxB;AACA,QAAMgyC,UAAU,GAAGt5C,IAAI,CAACw1B,KAAxB;AACA,QAAMyX,SAAS,GAAG,KAAK5S,MAAL,CAAY,KAAKgb,eAAjB,CAAlB;AACA,QAAMkE,QAAQ,GAAG,KAAKlf,MAAL,CAAYif,UAAZ,CAAjB;AACA,QAAM3uC,QAAQ,GAAGugC,UAAU,CAAC/T,aAA5B;AACA,QAAIuW,OAAO,GAAG,CAAd;AAEAtnC,oBAAM,CAACC,GAAP,YAAoBizC,UAApB,iBAA0CpO,UAAU,CAAClU,OAArD,SAAgEkU,UAAU,CAACvU,KAA3E,mBAA8FhsB,QAA9F;;AAEA,QAAIugC,UAAU,CAACrU,IAAf,EAAqB;AACnB,UAAIwW,UAAU,GAAGkM,QAAQ,CAACjyC,OAA1B;;AACA,UAAI+lC,UAAU,IAAInC,UAAU,CAACtU,SAAX,CAAqB7zB,MAArB,GAA8B,CAAhD,EAAmD;AACjD;AACAy2C,oBAAA,CAAyBnM,UAAzB,EAAqCnC,UAArC;AACAwC,eAAO,GAAGxC,UAAU,CAACtU,SAAX,CAAqB,CAArB,EAAwB1iB,KAAlC;AACA,aAAKsiC,gBAAL,GAAwB,KAAKtC,mBAAL,CAAyBxG,OAAzB,EAAkCL,UAAlC,CAAxB;;AACA,YAAInC,UAAU,CAACH,QAAX,IAAuB,0CAAgB2C,OAAhB,CAA3B,EAAqD;AACnDtnC,0BAAM,CAACC,GAAP,4BAAoCqnC,OAAO,CAACjB,OAAR,CAAgB,CAAhB,CAApC;AACD,SAFD,MAEO;AACLrmC,0BAAM,CAACC,GAAP,CAAW,+CAAX;AACAsnC,qBAAW,CAAC,KAAKgB,YAAN,EAAoB1B,SAApB,EAA+B/B,UAA/B,CAAX;AACD;AACF,OAXD,MAWO;AACL9kC,wBAAM,CAACC,GAAP,CAAW,6CAAX;AACA6kC,kBAAU,CAACH,QAAX,GAAsB,KAAtB;AACA4C,mBAAW,CAAC,KAAKgB,YAAN,EAAoB1B,SAApB,EAA+B/B,UAA/B,CAAX;AACD;AACF,KAlBD,MAkBO;AACLA,gBAAU,CAACH,QAAX,GAAsB,KAAtB;AACD,KA9BkB,CA+BnB;;;AACAwO,YAAQ,CAACjyC,OAAT,GAAmB4jC,UAAnB;AACA,SAAKmK,eAAL,GAAuBiE,UAAvB;AACA,SAAKzmB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACgqB,aAAvB,EAAsC;AAAE3pB,aAAO,EAAE4jC,UAAX;AAAuB1V,WAAK,EAAE8jB;AAA9B,KAAtC;;AAEA,QAAI,KAAKzE,kBAAL,KAA4B,KAAhC,EAAuC;AACvC;AACE,UAAI,KAAKb,aAAL,KAAuB,CAAC,CAAxB,IAA6B,KAAKpE,eAAL,KAAyB,CAAC,CAA3D,EAA8D;AAC5D;AACA,YAAI3Y,eAAe,GAAGiU,UAAU,CAACjU,eAAjC;;AACA,YAAI,0CAAgBA,eAAhB,CAAJ,EAAsC;AACpC,cAAIA,eAAe,GAAG,CAAtB,EAAyB;AACvB7wB,4BAAM,CAACC,GAAP,iCAAyC4wB,eAAzC;AACAA,2BAAe,GAAGyW,OAAO,GAAG/iC,QAAV,GAAqBssB,eAAvC;AACD;;AACD7wB,0BAAM,CAACC,GAAP,mEAA2E4wB,eAA3E;AACA,eAAK+c,aAAL,GAAqB/c,eAArB;AACD,SAPD,MAOO;AACL;AACA,cAAIiU,UAAU,CAACrU,IAAf,EAAqB;AACnB,iBAAKmd,aAAL,GAAqB,KAAKE,mBAAL,CAAyBxG,OAAzB,EAAkCxC,UAAlC,CAArB;AACA9kC,4BAAM,CAACC,GAAP,iCAAyC,KAAK2tC,aAA9C;AACD,WAHD,MAGO;AACL,iBAAKA,aAAL,GAAqB,CAArB;AACD;AACF;;AACD,aAAKpE,eAAL,GAAuB,KAAKoE,aAA5B;AACD;;AACD,WAAKD,gBAAL,GAAwB,KAAKC,aAA7B;AACD,KA5DkB,CA6DnB;;;AACA,QAAI,KAAKr5B,KAAL,KAAe43B,KAAK,CAACW,aAAzB,EAAwC;AACtC,WAAKv4B,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACD,KAhEkB,CAkEnB;;;AACA,SAAKb,IAAL;AACD,G;;SAED4H,W,GAAA,uBAAe;AACb,QAAI,KAAK9+B,KAAL,KAAe43B,KAAK,CAAChgB,WAAzB,EAAsC;AACpC,WAAK5X,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACA,WAAKb,IAAL;AACD;AACF,G;;SAEDrL,Y,GAAA,sBAAcxmC,IAAd,EAAoB;AAAA,QACVszC,WADU,GAC0B,IAD1B,CACVA,WADU;AAAA,QACGzgB,GADH,GAC0B,IAD1B,CACGA,GADH;AAAA,QACQwH,MADR,GAC0B,IAD1B,CACQA,MADR;AAAA,QACgBc,KADhB,GAC0B,IAD1B,CACgBA,KADhB;AAElB,QAAMue,UAAU,GAAG15C,IAAI,CAAC+W,IAAxB;;AACA,QAAI,KAAK4D,KAAL,KAAe43B,KAAK,CAACzgB,YAArB,IACAwhB,WADA,IAEAoG,UAAU,CAACvyC,IAAX,KAAoB,MAFpB,IAGAuyC,UAAU,CAAClkB,KAAX,KAAqB8d,WAAW,CAAC9d,KAHjC,IAIAkkB,UAAU,CAAC75B,EAAX,KAAkByzB,WAAW,CAACzzB,EAJlC,EAIsC;AACpC,UAAMuJ,KAAK,GAAGppB,IAAI,CAACopB,KAAnB;AACA,UAAMuwB,YAAY,GAAGtf,MAAM,CAACiZ,WAAW,CAAC9d,KAAb,CAA3B;AACA,UAAMluB,OAAO,GAAGqyC,YAAY,CAACryC,OAA7B,CAHoC,CAIpC;AACA;AACA;;AACA,WAAKm/B,WAAL,GAAmB,KAAnB;AACA,WAAKrd,KAAL,GAAaA,KAAb;AAEAhjB,sBAAM,CAACC,GAAP,aAAqBitC,WAAW,CAACzzB,EAAjC,aAA2CvY,OAAO,CAAC0vB,OAAnD,UAA+D1vB,OAAO,CAACqvB,KAAvE,gBAAuF2c,WAAW,CAAC9d,KAAnG;;AACA,UAAIkkB,UAAU,CAACjT,WAAX,IAA0B5T,GAAG,CAACkiB,aAAlC,EAAiD;AAC/C;AACA,aAAKp6B,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACA,aAAKmC,kBAAL,GAA0B,KAA1B;AACAzrB,aAAK,CAACwY,OAAN,GAAgBxY,KAAK,CAACwwB,SAAN,GAAkBpc,MAAM,CAAC9U,WAAP,CAAmBD,GAAnB,EAAlC;AACAoK,WAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACirB,aAAlB,EAAiC;AAAE9I,eAAK,EAAEA,KAAT;AAAgBrS,cAAI,EAAEu8B,WAAtB;AAAmCxoC,YAAE,EAAE;AAAvC,SAAjC;AACA,aAAK+mC,IAAL;AACD,OAPD,MAOO,IAAI6H,UAAU,CAAC75B,EAAX,KAAkB,aAAtB,EAAqC;AAC1C,aAAKlF,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACAtpB,aAAK,CAACwY,OAAN,GAAgBxY,KAAK,CAACwwB,SAAN,GAAkBpc,MAAM,CAAC9U,WAAP,CAAmBD,GAAnB,EAAlC;AACAnhB,eAAO,CAACmD,WAAR,CAAoBzK,IAApB,GAA2BA,IAAI,CAACsf,OAAhC;AACAuT,WAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACirB,aAAlB,EAAiC;AAAE9I,eAAK,EAAEA,KAAT;AAAgBrS,cAAI,EAAEu8B,WAAtB;AAAmCxoC,YAAE,EAAE;AAAvC,SAAjC;AACA,aAAK+mC,IAAL;AACD,OANM,MAMA;AACLzrC,wBAAM,CAACC,GAAP,cAAsBitC,WAAW,CAACzzB,EAAlC,aAA4CvY,OAAO,CAAC0vB,OAApD,UAAgE1vB,OAAO,CAACqvB,KAAxE,gBAAwF2c,WAAW,CAAC9d,KAApG,aAAiH8d,WAAW,CAACle,EAA7H;AACA,aAAKza,KAAL,GAAa43B,KAAK,CAACO,OAAnB;AACA,aAAK+G,gBAAL,GAAwB,IAAxB;AACA,aAAKC,QAAL,GAAgB,KAAhB,CAJK,CAML;AACA;;AACA,YAAIJ,UAAU,CAACjT,WAAf,EAA4B;AAC1BiT,oBAAU,CAACjT,WAAX,GAAyB,KAAzB;AACA,eAAK4I,eAAL,CAAqB7I,YAArB,CAAkC;AAChCzvB,gBAAI,EAAE2iC;AAD0B,WAAlC;AAGD,SAbI,CAeL;;;AACA,YAAM/tC,kBAAkB,GAAG,EAAEwvB,KAAK,IAAIA,KAAK,CAACuU,OAAjB,MAA8BpoC,OAAO,CAACyjC,QAAR,IAAoB,CAACzjC,OAAO,CAACuvB,IAA3D,CAA3B;AACA,YAAMkjB,eAAe,GAAGzyC,OAAO,CAACmD,WAAR,GAAsBnD,OAAO,CAACmD,WAAR,CAAoBzK,IAA1C,GAAiD,EAAzE;;AACA,YAAM4H,UAAU,GAAG,KAAKoyC,cAAL,CAAoBL,YAApB,CAAnB,CAlBK,CAoBL;;;AACA,YAAM9wB,OAAO,GAAG,KAAKA,OAAL,GAAe,KAAKA,OAAL,IAAgB,IAAI+f,aAAJ,CAAY,KAAK/V,GAAjB,EAAsB,MAAtB,CAA/C;AACAhK,eAAO,CAACze,IAAR,CACEpK,IAAI,CAACsf,OADP,EAEEy6B,eAFF,EAGEnyC,UAHF,EAIE+xC,YAAY,CAACjvC,UAJf,EAKE4oC,WALF,EAMEhsC,OAAO,CAAC6vB,aANV,EAOExrB,kBAPF;AASD;AACF;;AACD,SAAKipC,aAAL,GAAqB,CAArB;AACD,G;;SAEDqF,wB,GAAA,kCAA0Bj6C,IAA1B,EAAgC;AAC9B,QAAMszC,WAAW,GAAG,KAAKA,WAAzB;AACA,QAAM4G,OAAO,GAAGl6C,IAAI,CAAC+W,IAArB;;AAEA,QAAIu8B,WAAW,IACXtzC,IAAI,CAAC8K,EAAL,KAAY,MADZ,IAEAovC,OAAO,CAACr6B,EAAR,KAAeyzB,WAAW,CAACzzB,EAF3B,IAGAq6B,OAAO,CAAC1kB,KAAR,KAAkB8d,WAAW,CAAC9d,KAH9B,IAIA,KAAK7a,KAAL,KAAe43B,KAAK,CAACO,OAJzB,EAIkC;AAChC,UAAI/yB,MAAM,GAAG/f,IAAI,CAAC+f,MAAlB;AAAA,UAA0Bo6B,SAA1B;AAAA,UAAqC7wC,KAArC,CADgC,CAGhC;;AACA,UAAIyW,MAAM,CAACrN,KAAP,IAAgB,KAAKiiC,QAAzB,EAAmC;AACjC,eAAO50B,MAAM,CAACrN,KAAd;AACD,OAN+B,CAQhC;;;AACApJ,WAAK,GAAGyW,MAAM,CAACrN,KAAf;;AACA,UAAIpJ,KAAJ,EAAW;AACT,YAAI1B,UAAU,GAAG,KAAKyyB,MAAL,CAAY,KAAK7E,KAAjB,EAAwB5tB,UAAzC;AAAA,YACEwyC,EAAE,GAAGlyC,SAAS,CAACD,SAAV,CAAoBE,WAApB,EADP;;AAEA,YAAIP,UAAU,IAAI,KAAK4sC,cAAvB,EAAuC;AACrCpuC,0BAAM,CAACC,GAAP,CAAW,+BAAX;;AACA,cAAIuB,UAAU,CAACa,OAAX,CAAmB,WAAnB,MAAoC,CAAC,CAAzC,EAA4C;AAC1Cb,sBAAU,GAAG,WAAb;AACD,WAFD,MAEO;AACLA,sBAAU,GAAG,WAAb;AACD;AACF,SAVQ,CAWT;AACA;AACA;AACA;;;AACA,YAAI,KAAKwxC,gBAAT,EAA2B;AACzB;AACA,cAAI9vC,KAAK,CAACsa,QAAN,CAAejb,YAAf,KAAgC,CAAhC,IACF;AACAyxC,YAAE,CAAC3xC,OAAH,CAAW,SAAX,MAA0B,CAAC,CAF7B,EAEgC;AAC9Bb,sBAAU,GAAG,WAAb;AACD;AACF,SAtBQ,CAuBT;;;AACA,YAAIwyC,EAAE,CAAC3xC,OAAH,CAAW,SAAX,MAA0B,CAAC,CAA3B,IAAgCa,KAAK,CAACuB,SAAN,KAAoB,YAAxD,EAAsE;AAAE;AACtEjD,oBAAU,GAAG,WAAb;AACAxB,0BAAM,CAACC,GAAP,oCAA4CuB,UAA5C;AACD;;AACD0B,aAAK,CAAC+wC,UAAN,GAAmBzyC,UAAnB;AACA0B,aAAK,CAACwB,EAAN,GAAW9K,IAAI,CAAC8K,EAAhB;AACD;;AACDxB,WAAK,GAAGyW,MAAM,CAACtN,KAAf;;AACA,UAAInJ,KAAJ,EAAW;AACTA,aAAK,CAAC+wC,UAAN,GAAmB,KAAKhgB,MAAL,CAAY,KAAK7E,KAAjB,EAAwB9qB,UAA3C;AACApB,aAAK,CAACwB,EAAN,GAAW9K,IAAI,CAAC8K,EAAhB;AACD;;AACD,WAAK+nB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACkpB,aAAvB,EAAsCpQ,MAAtC,EA9CgC,CA+ChC;;AACA,WAAKo6B,SAAL,IAAkBp6B,MAAlB,EAA0B;AACxBzW,aAAK,GAAGyW,MAAM,CAACo6B,SAAD,CAAd;AACA/zC,wBAAM,CAACC,GAAP,iBAAyB8zC,SAAzB,mBAAgD7wC,KAAK,CAACuB,SAAtD,+BAAyFvB,KAAK,CAAC+wC,UAA/F,SAA6G/wC,KAAK,CAACV,KAAnH;AACA,YAAI6B,WAAW,GAAGnB,KAAK,CAACmB,WAAxB;;AACA,YAAIA,WAAJ,EAAiB;AACf,eAAKqvC,QAAL,GAAgB,IAAhB,CADe,CAEf;;AACA,eAAKD,gBAAL,GAAwB,IAAxB;AACA,eAAKhnB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACopB,gBAAvB,EAAyC;AAAElpB,gBAAI,EAAEgzC,SAAR;AAAmBn6C,gBAAI,EAAEyK,WAAzB;AAAsC6vC,kBAAM,EAAE,MAA9C;AAAsDC,mBAAO,EAAE;AAA/D,WAAzC;AACD;AACF,OA1D+B,CA2DhC;;;AACA,WAAK1I,IAAL;AACD;AACF,G;;SAED2I,iB,GAAA,2BAAmBx6C,IAAnB,EAAyB;AAAA;;AACvB,QAAMszC,WAAW,GAAG,KAAKA,WAAzB;AACA,QAAM4G,OAAO,GAAGl6C,IAAI,CAAC+W,IAArB;;AACA,QAAIu8B,WAAW,IACXtzC,IAAI,CAAC8K,EAAL,KAAY,MADZ,IAEAovC,OAAO,CAACr6B,EAAR,KAAeyzB,WAAW,CAACzzB,EAF3B,IAGAq6B,OAAO,CAAC1kB,KAAR,KAAkB8d,WAAW,CAAC9d,KAH9B,IAIA,EAAEx1B,IAAI,CAACmH,IAAL,KAAc,OAAd,IAAyB,KAAKwtC,QAAhC,CAJA,IAI6C;AAC7C,SAAKh6B,KAAL,KAAe43B,KAAK,CAACO,OALzB,EAKkC;AAChC,UAAItd,KAAK,GAAG,KAAK6E,MAAL,CAAY,KAAK7E,KAAjB,CAAZ;AAAA,UACEze,IAAI,GAAGu8B,WADT;;AAEA,UAAI,CAAC,0CAAgBtzC,IAAI,CAAC8iB,MAArB,CAAL,EAAmC;AACjC9iB,YAAI,CAAC8iB,MAAL,GAAc9iB,IAAI,CAAC+iB,QAAL,GAAgBuwB,WAAW,CAAC3oC,QAA1C;AACA3K,YAAI,CAAC0mB,MAAL,GAAc1mB,IAAI,CAACymB,QAAL,GAAgB6sB,WAAW,CAAC3oC,QAA1C;AACD;;AAED,UAAI3K,IAAI,CAAC2mB,QAAL,KAAkB,IAAtB,EAA4B;AAC1B5P,YAAI,CAACkf,mBAAL,CAAyB1B,qBAAqB,CAACM,KAA/C;AACD;;AAED,UAAI70B,IAAI,CAAC4mB,QAAL,KAAkB,IAAtB,EAA4B;AAC1B7P,YAAI,CAACkf,mBAAL,CAAyB1B,qBAAqB,CAACO,KAA/C;AACD;;AAED1uB,sBAAM,CAACC,GAAP,aAAqBrG,IAAI,CAACmH,IAA1B,cAAuCnH,IAAI,CAAC+iB,QAAL,CAAc0pB,OAAd,CAAsB,CAAtB,CAAvC,SAAmEzsC,IAAI,CAAC8iB,MAAL,CAAY2pB,OAAZ,CAAoB,CAApB,CAAnE,eAAmGzsC,IAAI,CAACymB,QAAL,CAAcgmB,OAAd,CAAsB,CAAtB,CAAnG,SAA+HzsC,IAAI,CAAC0mB,MAAL,CAAY+lB,OAAZ,CAAoB,CAApB,CAA/H,aAA6JzsC,IAAI,CAAC6mB,EAAlK,kBAAgL7mB,IAAI,CAACwT,OAAL,IAAgB,CAAhM,GAhBgC,CAkBhC;;AACA,UAAIxT,IAAI,CAACmH,IAAL,KAAc,OAAlB,EAA2B;AACzB4P,YAAI,CAACvD,OAAL,GAAexT,IAAI,CAACwT,OAApB;;AACA,YAAIuD,IAAI,CAACvD,OAAT,EAAkB;AAChB,cAAI,CAACuD,IAAI,CAACy0B,WAAV,EAAuB;AACrB,gBAAM9J,YAAY,GAAGlM,KAAK,CAACluB,OAA3B;;AACA,gBAAIo6B,YAAY,IAAI3qB,IAAI,CAAC8I,EAAL,KAAY6hB,YAAY,CAAC1K,OAA7C,EAAsD;AACpD5wB,8BAAM,CAACgN,IAAP,CAAY,0DAAZ,EAAwE2D,IAAI,CAAC8I,EAA7E;AACD,aAFD,MAEO;AACLzZ,8BAAM,CAACgN,IAAP,CAAY,+CAAZ,EAA6D2D,IAAI,CAAC8I,EAAlE,EADK,CAEL;AACA;AACA;;AACA,mBAAKwvB,eAAL,CAAqB1J,cAArB,CAAoC5uB,IAApC;AACAA,kBAAI,CAACy0B,WAAL,GAAmB,IAAnB;AACA,mBAAKuI,gBAAL,GAAwB/zC,IAAI,CAAC+iB,QAA7B;AACA,mBAAKpI,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACA,mBAAK/D,YAAL,GAAoB53B,IAApB;AACA,mBAAK86B,IAAL;AACA;AACD;AACF,WAjBD,MAiBO;AACLzrC,4BAAM,CAACgN,IAAP,CAAY,8DAAZ,EAA4E2D,IAAI,CAAC8I,EAAjF;AACD;AACF,SArBD,MAqBO;AACL;AACA9I,cAAI,CAACy0B,WAAL,GAAmB,KAAnB;AACD;AACF;;AAED,UAAIX,KAAK,GAAG2O,gBAAA,CAA6BhkB,KAAK,CAACluB,OAAnC,EAA4CyP,IAA5C,EAAkD/W,IAAI,CAAC+iB,QAAvD,EAAiE/iB,IAAI,CAAC8iB,MAAtE,EAA8E9iB,IAAI,CAACymB,QAAnF,EAA6FzmB,IAAI,CAAC0mB,MAAlG,CAAZ;AAAA,UACEmM,GAAG,GAAG,KAAKA,GADb;AAEAA,SAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACiqB,iBAAlB,EAAqC;AAAE5pB,eAAO,EAAEkuB,KAAK,CAACluB,OAAjB;AAA0BkuB,aAAK,EAAE,KAAKA,KAAtC;AAA6CqV,aAAK,EAAEA,KAApD;AAA2D1jC,YAAI,EAAEnH,IAAI,CAACmH,IAAtE;AAA4E+M,aAAK,EAAElU,IAAI,CAAC+iB,QAAxF;AAAkG+E,WAAG,EAAE9nB,IAAI,CAAC8iB;AAA5G,OAArC,EAlDgC,CAmDhC;;AACA,OAAC9iB,IAAI,CAACumB,KAAN,EAAavmB,IAAI,CAACwmB,KAAlB,EAAyBhO,OAAzB,CAAiC,UAAAjY,MAAM,EAAI;AACzC;AACA;AACA,YAAIA,MAAM,IAAIA,MAAM,CAACwC,MAAjB,IAA2B,MAAI,CAAC4X,KAAL,KAAe43B,KAAK,CAACO,OAApD,EAA6D;AAC3D,gBAAI,CAACgH,QAAL,GAAgB,IAAhB,CAD2D,CAE3D;;AACA,gBAAI,CAACD,gBAAL,GAAwB,IAAxB;AACAhnB,aAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACopB,gBAAlB,EAAoC;AAAElpB,gBAAI,EAAEnH,IAAI,CAACmH,IAAb;AAAmBnH,gBAAI,EAAEO,MAAzB;AAAiC+5C,kBAAM,EAAE,MAAzC;AAAiDC,mBAAO,EAAE;AAA1D,WAApC;AACD;AACF,OATD,EApDgC,CA8DhC;;AACA,WAAK1I,IAAL;AACD;AACF,G;;SAED4I,Y,GAAA,sBAAcz6C,IAAd,EAAoB;AAClB,QAAMszC,WAAW,GAAG,KAAKA,WAAzB;AACA,QAAM4G,OAAO,GAAGl6C,IAAI,CAAC+W,IAArB;;AACA,QAAIu8B,WAAW,IACXtzC,IAAI,CAAC8K,EAAL,KAAY,MADZ,IAEAovC,OAAO,CAACr6B,EAAR,KAAeyzB,WAAW,CAACzzB,EAF3B,IAGAq6B,OAAO,CAAC1kB,KAAR,KAAkB8d,WAAW,CAAC9d,KAH9B,IAIA,KAAK7a,KAAL,KAAe43B,KAAK,CAACO,OAJzB,EAIkC;AAChC,WAAK1pB,KAAL,CAAWwY,OAAX,GAAqBpE,MAAM,CAAC9U,WAAP,CAAmBD,GAAnB,EAArB;AACA,WAAK9N,KAAL,GAAa43B,KAAK,CAACQ,MAAnB;;AACA,WAAK2H,oBAAL;AACD;AACF,G;;SAEDC,qB,GAAA,+BAAuB36C,IAAvB,EAA6B;AAC3B;AACA,QAAI20C,QAAQ,GAAG,CAAC,CAAC30C,IAAI,CAACmsB,GAAtB;AAAA,QACE2C,OAAO,GAAG9uB,IAAI,CAAC8K,EADjB,CAF2B,CAI3B;AACA;AACA;;AACA,QAAI,CAAC6pC,QAAL,EAAe;AACb,UAAI,KAAKjB,WAAL,KAAqB,KAAKvY,KAA9B,EAAqC;AACnC/0B,wBAAM,CAACC,GAAP,CAAW,+EAAX;AACA,aAAKqtC,WAAL,GAAmB,KAAKvY,KAAxB;AACA,YAAImY,WAAW,GAAG,KAAKA,WAAvB,CAHmC,CAInC;;AACA,YAAIA,WAAW,CAAC5d,MAAhB,EAAwB;AACtBtvB,0BAAM,CAACC,GAAP,CAAW,0DAAX;AACAitC,qBAAW,CAAC5d,MAAZ,CAAmB4J,KAAnB;AACD;;AACD,aAAKgU,WAAL,GAAmB,IAAnB;AACA,aAAK3E,YAAL,GAAoB,IAApB,CAVmC,CAWnC;;AACA,YAAI,KAAK9lB,OAAT,EAAkB;AAChB,eAAKA,OAAL,CAAazjB,OAAb;AACA,eAAKyjB,OAAL,GAAe,IAAf;AACD,SAfkC,CAgBnC;;;AACA,aAAKlO,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACD;;AACD,UAAI7f,GAAG,GAAG,KAAKA,GAAf,CApBa,CAqBb;;AACAA,SAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACupB,eAAlB,EAAmC;AAAElV,mBAAW,EAAE,CAAf;AAAkBk9B,iBAAS,EAAE3gB,MAAM,CAACkgB,iBAApC;AAAuD5wC,YAAI,EAAE;AAA7D,OAAnC;AACA0rB,SAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACqqB,oBAAlB,EAAwC;AAAExmB,UAAE,EAAEgkB;AAAN,OAAxC;AACA,WAAK6lB,QAAL,GAAgB,KAAhB;AACD;AACF,G;;SAEDiG,oB,GAAA,8BAAsB56C,IAAtB,EAA4B;AAC1B,QAAI8uB,OAAO,GAAG9uB,IAAI,CAAC8K,EAAnB;AAAA,QACE6pC,QAAQ,GAAG,CAAC,CAAC,KAAK9hB,GAAL,CAASuO,WAAT,CAAqBtS,OAArB,EAA8B3C,GAD7C;;AAEA,QAAIwoB,QAAJ,EAAc;AACZ,UAAIkG,WAAW,GAAG,KAAKA,WAAvB,CADY,CAEZ;;AACA,UAAIA,WAAW,IAAI,KAAKnH,WAAL,KAAqBmH,WAAxC,EAAqD;AACnDz0C,wBAAM,CAACC,GAAP,CAAW,oFAAX;AACA,aAAKqtC,WAAL,GAAmBmH,WAAnB;AACD;AACF;;AACD,SAAKlG,QAAL,GAAgBA,QAAhB;AACA,SAAK9C,IAAL;AACD,G;;SAEDiJ,e,GAAA,yBAAiB96C,IAAjB,EAAuB;AACrB,QAAI+f,MAAM,GAAG/f,IAAI,CAAC+f,MAAlB;AAAA,QAA0Bg7B,UAA1B;AAAA,QAAsC76C,IAAtC;AAAA,QAA4C86C,SAAS,GAAG,KAAxD;;AACA,SAAK,IAAI7zC,IAAT,IAAiB4Y,MAAjB,EAAyB;AACvB,UAAIzW,KAAK,GAAGyW,MAAM,CAAC5Y,IAAD,CAAlB;;AACA,UAAImC,KAAK,CAACwB,EAAN,KAAa,MAAjB,EAAyB;AACvB5K,YAAI,GAAGiH,IAAP;AACA4zC,kBAAU,GAAGzxC,KAAb,CAFuB,CAGvB;;AACA,YAAInC,IAAI,KAAK,OAAb,EAAsB;AACpB,eAAK0zC,WAAL,GAAmB96B,MAAM,CAAC5Y,IAAD,CAAN,CAAa5G,MAAhC;AACD;AACF,OAPD,MAOO;AACLy6C,iBAAS,GAAG,IAAZ;AACD;AACF;;AACD,QAAIA,SAAS,IAAID,UAAjB,EAA6B;AAC3B30C,sBAAM,CAACC,GAAP,iCAAyCnG,IAAzC;AACA,WAAKwzC,WAAL,GAAmBqH,UAAU,CAACx6C,MAA9B;AACD,KAHD,MAGO;AACL,WAAKmzC,WAAL,GAAmB,KAAKvY,KAAxB;AACD;AACF,G;;SAEDuL,gB,GAAA,0BAAkB1mC,IAAlB,EAAwB;AACtB,QAAIA,IAAI,CAACs6C,MAAL,KAAgB,MAApB,EAA4B;AAC1B,UAAM3/B,KAAK,GAAG,KAAKA,KAAnB;;AACA,UAAIA,KAAK,KAAK43B,KAAK,CAACO,OAAhB,IAA2Bn4B,KAAK,KAAK43B,KAAK,CAACQ,MAA/C,EAAuD;AACrD;AACA,aAAK8G,gBAAL,GAAyB75C,IAAI,CAACi7C,OAAL,GAAe,CAAxC;;AACA,aAAKP,oBAAL;AACD;AACF;AACF,G;;SAEDA,oB,GAAA,gCAAwB;AACtB;AACA,QAAI,KAAK//B,KAAL,KAAe43B,KAAK,CAACQ,MAArB,KAAgC,CAAC,KAAK+G,QAAN,IAAkB,CAAC,KAAKD,gBAAxD,CAAJ,EAA+E;AAC7E,UAAM9iC,IAAI,GAAG,KAAKu8B,WAAlB;;AACA,UAAIv8B,IAAJ,EAAU;AACR,YAAMokB,KAAK,GAAG,KAAKuY,WAAL,GAAmB,KAAKA,WAAxB,GAAsC,KAAKvY,KAAzD;AACA/0B,wBAAM,CAACC,GAAP,sBAA8BkmC,WAAU,CAAC9yB,QAAX,CAAoB0hB,KAAK,CAAC8J,QAA1B,CAA9B;AACA,aAAK0J,YAAL,GAAoB53B,IAApB;AACA,YAAMqS,KAAK,GAAG,KAAKA,KAAnB;AACAA,aAAK,CAACwwB,SAAN,GAAkBpc,MAAM,CAAC9U,WAAP,CAAmBD,GAAnB,EAAlB,CALQ,CAMR;;AACA,aAAK8vB,YAAL,GAAoB3qC,IAAI,CAAC6J,KAAL,CAAW,IAAI2R,KAAK,CAAC8xB,KAAV,IAAmB9xB,KAAK,CAACwwB,SAAN,GAAkBxwB,KAAK,CAAC+xB,MAA3C,CAAX,CAApB;AACA,aAAKtoB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACirB,aAAvB,EAAsC;AAAE9I,eAAK,EAAEA,KAAT;AAAgBrS,cAAI,EAAEA,IAAtB;AAA4BjM,YAAE,EAAE;AAAhC,SAAtC;AACA,aAAK6P,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACD;;AACD,WAAKb,IAAL;AACD;AACF,G;;SAEDtR,O,GAAA,iBAASvgC,IAAT,EAAe;AACb,QAAI+W,IAAI,GAAG/W,IAAI,CAAC+W,IAAL,IAAa,KAAKu8B,WAA7B,CADa,CAEb;;AACA,QAAIv8B,IAAI,IAAIA,IAAI,CAAC5P,IAAL,KAAc,MAA1B,EAAkC;AAChC;AACD,KALY,CAOb;;;AACA,QAAIi0C,aAAa,GAAG,CAAC,CAAC,KAAKjgB,KAAP,IAAgBoM,YAAY,CAACC,UAAb,CAAwB,KAAKrM,KAA7B,EAAoC,KAAKA,KAAL,CAAWqN,WAA/C,CAAhB,IAA+EjB,YAAY,CAACC,UAAb,CAAwB,KAAKrM,KAA7B,EAAoC,KAAKA,KAAL,CAAWqN,WAAX,GAAyB,GAA7D,CAAnG;;AAEA,YAAQxoC,IAAI,CAACsH,OAAb;AACA,WAAKC,sBAAY,CAACo8B,eAAlB;AACA,WAAKp8B,sBAAY,CAACq8B,iBAAlB;AACA,WAAKr8B,sBAAY,CAAC28B,cAAlB;AACA,WAAK38B,sBAAY,CAAC48B,gBAAlB;AACE,YAAI,CAACnkC,IAAI,CAACyH,KAAV,EAAiB;AACf;AACA,cAAK,KAAKmtC,aAAL,GAAqB,CAAtB,IAA4B,KAAKlvC,MAAL,CAAY21C,mBAA5C,EAAiE;AAC/D;AACA,gBAAIC,KAAK,GAAG1tC,IAAI,CAACC,GAAL,CAASD,IAAI,CAACiO,GAAL,CAAS,CAAT,EAAY,KAAK+4B,aAAjB,IAAkC,KAAKlvC,MAAL,CAAYu+B,qBAAvD,EAA8E,KAAKv+B,MAAL,CAAY89B,0BAA1F,CAAZ;AACAp9B,4BAAM,CAACgN,IAAP,qDAA8DkoC,KAA9D;AACA,iBAAKpG,SAAL,GAAiB1X,MAAM,CAAC9U,WAAP,CAAmBD,GAAnB,KAA2B6yB,KAA5C,CAJ+D,CAK/D;AACA;AACA;;AACA,gBAAI,CAAC,KAAKxH,cAAV,EAA0B;AACxB,mBAAKe,kBAAL,GAA0B,KAA1B;AACA,mBAAKd,gBAAL,GAAwB,KAAKC,aAA7B;AACD;;AACD,iBAAKY,aAAL;AACA,iBAAKj6B,KAAL,GAAa43B,KAAK,CAACK,0BAAnB;AACD,WAdD,MAcO;AACLxsC,4BAAM,CAACU,KAAP,uBAAiC9G,IAAI,CAACsH,OAAtC,kDADK,CAEL;;AACAtH,gBAAI,CAACyH,KAAL,GAAa,IAAb;AACA,iBAAKkT,KAAL,GAAa43B,KAAK,CAACrrC,KAAnB;AACD;AACF;;AACD;;AACF,WAAKK,sBAAY,CAACk7B,gBAAlB;AACA,WAAKl7B,sBAAY,CAACi7B,kBAAlB;AACE,YAAI,KAAK7nB,KAAL,KAAe43B,KAAK,CAACrrC,KAAzB,EAAgC;AAC9B,cAAIlH,IAAI,CAACyH,KAAT,EAAgB;AACd;AACA,iBAAKkT,KAAL,GAAa43B,KAAK,CAACrrC,KAAnB;AACAd,4BAAM,CAACgN,IAAP,wBAAiCpT,IAAI,CAACsH,OAAtC,mBAA2D,KAAKqT,KAAhE;AACD,WAJD,MAIO;AACL;AACA,gBAAI,CAAC3a,IAAI,CAACu7C,UAAN,IAAoB,KAAK5gC,KAAL,KAAe43B,KAAK,CAACW,aAA7C,EAA4D;AAC1D,mBAAKv4B,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACD;AACF;AACF;;AACD;;AACF,WAAKnrC,sBAAY,CAACi0C,iBAAlB;AACE;AACA,YAAIx7C,IAAI,CAACs6C,MAAL,KAAgB,MAAhB,KAA2B,KAAK3/B,KAAL,KAAe43B,KAAK,CAACO,OAArB,IAAgC,KAAKn4B,KAAL,KAAe43B,KAAK,CAACQ,MAAhF,CAAJ,EAA6F;AAC3F;AACA,cAAIqI,aAAJ,EAAmB;AACjB,iBAAK/D,sBAAL,CAA4B,KAAK3xC,MAAL,CAAYiwC,eAAxC;;AACA,iBAAKh7B,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACD,WAHD,MAGO;AACL;AACA;AACA;AACAtsC,4BAAM,CAACgN,IAAP,CAAY,4EAAZ;AACA,iBAAKkgC,WAAL,GAAmB,IAAnB,CALK,CAML;;AACA,iBAAKwE,eAAL,CAAqB,CAArB,EAAwBjgB,MAAM,CAACkgB,iBAA/B;AACD;AACF;;AACD;;AACF;AACE;AA/DF;AAiED,G;;SAEDV,sB,GAAA,gCAAwBoE,SAAxB,EAAmC;AACjC,QAAI/1C,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAIA,MAAM,CAACkwC,kBAAP,IAA6B6F,SAAjC,EAA4C;AAC1C;AACA/1C,YAAM,CAACkwC,kBAAP,IAA6B,CAA7B;AACAxvC,sBAAM,CAACgN,IAAP,uCAAgD1N,MAAM,CAACkwC,kBAAvD;AACA,aAAO,IAAP;AACD;;AACD,WAAO,KAAP;AACD;AAED;;;;;;SAIAT,Y,GAAA,wBAAgB;AAAA,QACNha,KADM,GACI,IADJ,CACNA,KADM;;AAEd,QAAI,CAACA,KAAD,IAAUA,KAAK,CAACsb,UAAN,KAAqB,CAAnC,EAAsC;AACpC;AACA;AACD;;AAED,QAAM/C,WAAW,GAAG,KAAKA,WAAL,GAAmB,KAAKA,WAAxB,GAAsCvY,KAA1D;AACA,QAAM8J,QAAQ,GAAGyO,WAAW,CAACzO,QAA7B;;AAEA,QAAI,CAAC,KAAK6O,cAAN,IAAwB7O,QAAQ,CAACliC,MAArC,EAA6C;AAC3C,WAAK+wC,cAAL,GAAsB,IAAtB;;AACA,WAAK4H,eAAL;AACD,KAHD,MAGO,IAAI,KAAK/D,eAAT,EAA0B;AAC/B,WAAKK,uBAAL;AACD,KAFM,MAEA;AACL,WAAKtD,aAAL,CAAmB/E,IAAnB,CAAwB,KAAKC,eAA7B,EAA8C3K,QAA9C;AACD;AACF,G;;SAED0W,0B,GAAA,sCAA8B;AAC5B,SAAKhhC,KAAL,GAAa43B,KAAK,CAACG,IAAnB,CAD4B,CAE5B;AACA;;AACA,QAAI,CAAC,KAAKoB,cAAV,EAA0B;AACxB,WAAKe,kBAAL,GAA0B,KAA1B;AACA,WAAKd,gBAAL,GAAwB,KAAKC,aAA7B;AACD;;AACD,SAAKnC,IAAL;AACD,G;;SAED+J,e,GAAA,2BAAmB;AACjB;;;AAGA,QAAMzgB,KAAK,GAAG,KAAKuY,WAAL,GAAmB,KAAKA,WAAxB,GAAsC,KAAKvY,KAAzD;;AACA,QAAIA,KAAJ,EAAW;AACT;AACA,WAAKkU,eAAL,CAAqBlK,sBAArB,CAA4C5Q,qBAAqB,CAACO,KAAlE,EAAyEqG,KAAK,CAAC8J,QAA/E;AACD,KARgB,CASjB;;;AACA,SAAKtqB,KAAL,GAAa43B,KAAK,CAACG,IAAnB,CAViB,CAWjB;;AACA,SAAK/D,YAAL,GAAoB,IAApB;AACD,G;;SAEDkN,c,GAAA,0BAAkB;AAChB,SAAKrH,cAAL,GAAsB,CAAC,KAAKA,cAA5B;AACD;AACD;;;;;;SAIAkH,e,GAAA,2BAAmB;AAAA,QACTvgB,KADS,GACC,IADD,CACTA,KADS;AAEjB,QAAMqN,WAAW,GAAGrN,KAAK,CAACqN,WAA1B,CAFiB,CAGjB;AACA;;AACA,QAAMwL,aAAa,GAAG7Y,KAAK,CAACuU,OAAN,GAAgBlH,WAAhB,GAA8B,KAAKwL,aAAzD,CALiB,CAMjB;;AACA,QAAIxL,WAAW,KAAKwL,aAAhB,IAAiCA,aAAa,IAAI,CAAtD,EAAyD;AACvD;AACA5tC,sBAAM,CAACC,GAAP,oEAA4E2tC,aAA5E,2BAA+GxL,WAA/G;AACArN,WAAK,CAACqN,WAAN,GAAoBwL,aAApB;AACD;AACF,G;;SAEDgG,c,GAAA,wBAAgBL,YAAhB,EAA8B;AAC5B,QAAI/xC,UAAU,GAAG,KAAKlC,MAAL,CAAYo2C,iBAAZ,IAAiCnC,YAAY,CAAC/xC,UAA/D;;AACA,QAAI,KAAK4sC,cAAT,EAAyB;AACvBpuC,sBAAM,CAACC,GAAP,CAAW,+BAAX;;AACA,UAAIuB,UAAJ,EAAgB;AACd,YAAIA,UAAU,CAACa,OAAX,CAAmB,WAAnB,MAAoC,CAAC,CAAzC,EAA4C;AAC1Cb,oBAAU,GAAG,WAAb;AACD,SAFD,MAEO;AACLA,oBAAU,GAAG,WAAb;AACD;AACF;AACF;;AAED,WAAOA,UAAP;AACD,G;;;;sBA33BUm0C,S,EAAW;AACpB,UAAI,KAAKphC,KAAL,KAAeohC,SAAnB,EAA8B;AAC5B,YAAMC,aAAa,GAAG,KAAKrhC,KAA3B;AACA,aAAK85B,MAAL,GAAcsH,SAAd;AACA31C,wBAAM,CAACC,GAAP,8BAAsC21C,aAAtC,UAAwDD,SAAxD;AACA,aAAKlpB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACwrB,uBAAvB,EAAgD;AAAEupB,uBAAa,EAAbA,aAAF;AAAiBD,mBAAS,EAATA;AAAjB,SAAhD;AACD;AACF,K;wBAEY;AACX,aAAO,KAAKtH,MAAZ;AACD;;;wBAMmB;AAClB,UAAItZ,KAAK,GAAG,KAAKA,KAAjB;;AACA,UAAIA,KAAJ,EAAW;AACT,YAAMpkB,IAAI,GAAG,KAAK8tB,eAAL,CAAqB1J,KAAK,CAACqN,WAA3B,CAAb;;AACA,YAAIzxB,IAAJ,EAAU;AACR,iBAAOA,IAAI,CAACye,KAAZ;AACD;AACF;;AACD,aAAO,CAAC,CAAR;AACD;;;wBAEuB;AACtB,UAAI2F,KAAK,GAAG,KAAKA,KAAjB;;AACA,UAAIA,KAAJ,EAAW;AACT;AACA,eAAO,KAAKmc,qBAAL,CAA2B,KAAKzS,eAAL,CAAqB1J,KAAK,CAACqN,WAA3B,CAA3B,CAAP;AACD,OAHD,MAGO;AACL,eAAO,IAAP;AACD;AACF;;;wBAUgB;AACf,UAAMzxB,IAAI,GAAG,KAAKqhC,gBAAlB;;AACA,UAAIrhC,IAAJ,EAAU;AACR,eAAOA,IAAI,CAACye,KAAZ;AACD,OAFD,MAEO;AACL,eAAO,CAAC,CAAR;AACD;AACF;;;wBAw0BuB;AACtB,aAAO,KAAKymB,iBAAZ;AACD,K;sBAEqBxhC,K,EAAO;AAC3B,WAAKwhC,iBAAL,GAAyBxhC,KAAzB;AACD;;;;EAhzC4B04B,2C;;AAkzChBoB,wFAAf,E;;;;;;;;ACx0CA;;;AAIA;AACA;AACA;AACA;AACA;AACA;8BAEwB/W,M;IAAhB9U,4B,2BAAAA,W;AACR,IAAIwzB,eAAJ;;IAEqBC,gC;;;;;AACnB,2BAAatpB,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACE5rB,iBAAK,CAAC0pB,eADR,EAEE1pB,iBAAK,CAAC+pB,YAFR,EAGE/pB,iBAAK,CAACqqB,oBAHR,EAIErqB,iBAAK,CAACgrB,WAJR,EAKEhrB,iBAAK,CAACC,KALR;AAOA,UAAKk1C,OAAL,GAAe,KAAf;AACA,UAAKC,iBAAL,GAAyB,IAAzB;AACA,UAAKC,gBAAL,GAAwB,CAAC,CAAzB;AACA,UAAKC,KAAL,GAAa,IAAb;AAEAL,mBAAe,GAAG,iBAAiB3zC,IAAjB,CAAsBL,SAAS,CAACD,SAAV,CAAoBE,WAApB,EAAtB,CAAlB;AAbgB;AAcjB;;;;SAEDgrB,mB,GAAA,+BAAuB;AACrB,SAAKqpB,UAAL;AACA,SAAKF,gBAAL,GAAwB,CAAC,CAAzB;AACD,G;;SAEDE,U,GAAA,sBAAc;AACZ,QAAI,KAAKD,KAAL,KAAe,IAAnB,EAAyB;AACvBnK,kBAAY,CAAC,KAAKmK,KAAN,CAAZ;AACA,WAAKA,KAAL,GAAa,IAAb;AACD;AACF,G;;SAEDnJ,S,GAAA,qBAAa;AACX,QAAI/Y,MAAM,GAAG,KAAKoiB,OAAlB;AAEA,SAAKL,OAAL,GAAe,IAAf;AACA,SAAKM,eAAL,GAAuB,CAAvB,CAJW,CAMX;;AACA,QAAIriB,MAAJ,EAAY;AACVA,YAAM,CAAC7hB,OAAP,CAAe,UAAAgd,KAAK,EAAI;AACtBA,aAAK,CAACmnB,SAAN,GAAkB,CAAlB;AACA,YAAMjb,YAAY,GAAGlM,KAAK,CAACluB,OAA3B;;AACA,YAAIo6B,YAAY,IAAIA,YAAY,CAAC7K,IAAjC,EAAuC;AACrCrB,eAAK,CAACluB,OAAN,GAAgBjC,SAAhB;AACD;AACF,OAND;AAOD,KAfU,CAgBX;;;AACA,QAAI,KAAKk3C,KAAL,KAAe,IAAnB,EAAyB;AACvB,WAAKK,SAAL;AACD;AACF,G;;SAEDvJ,Q,GAAA,oBAAY;AACV,SAAK+I,OAAL,GAAe,KAAf;AACD,G;;SAEDS,gB,GAAA,0BAAkB78C,IAAlB,EAAwB;AACtB,QAAIq6B,MAAM,GAAG,EAAb;AACA,QAAI+G,WAAW,GAAG,EAAlB;AACA,QAAI0b,YAAJ;AACA,QAAIC,QAAQ,GAAG,EAAf;AACA,QAAIC,YAAY,GAAG,IAAnB;AACA,QAAIC,eAAe,GAAG,KAAtB;AACA,QAAIC,eAAe,GAAG,KAAtB,CAPsB,CAStB;;AACAl9C,QAAI,CAACq6B,MAAL,CAAY7hB,OAAZ,CAAoB,UAAAgd,KAAK,EAAI;AAC3B,UAAM2nB,UAAU,GAAG3nB,KAAK,CAAC+B,KAAzB;AACA/B,WAAK,CAACmnB,SAAN,GAAkB,CAAlB;AACAnnB,WAAK,CAAC4nB,aAAN,GAAsB,KAAtB;AAEAH,qBAAe,GAAGA,eAAe,IAAI,CAAC,CAACznB,KAAK,CAAC9qB,UAA7C;AACAwyC,qBAAe,GAAGA,eAAe,IAAI,CAAC,CAAC1nB,KAAK,CAAC5tB,UAA7C,CAN2B,CAQ3B;AACA;;AACA,UAAIs0C,eAAe,IAAI1mB,KAAK,CAAC5tB,UAAzB,IAAuC4tB,KAAK,CAAC5tB,UAAN,CAAiBa,OAAjB,CAAyB,YAAzB,MAA2C,CAAC,CAAvF,EAA0F;AACxF+sB,aAAK,CAAC5tB,UAAN,GAAmBvC,SAAnB;AACD;;AAED23C,kBAAY,GAAGD,QAAQ,CAACvnB,KAAK,CAACoF,OAAP,CAAvB,CAd2B,CAca;;AAExC,UAAI,CAACoiB,YAAL,EAAmB;AACjBxnB,aAAK,CAACrJ,GAAN,GAAY,CAACqJ,KAAK,CAACrJ,GAAP,CAAZ;AACAqJ,aAAK,CAACD,KAAN,GAAc,CAAd;AACAwnB,gBAAQ,CAACvnB,KAAK,CAACoF,OAAP,CAAR,GAA0BpF,KAA1B;AACA6E,cAAM,CAACjwB,IAAP,CAAYorB,KAAZ;AACD,OALD,MAKO;AACLwnB,oBAAY,CAAC7wB,GAAb,CAAiB/hB,IAAjB,CAAsBorB,KAAK,CAACrJ,GAA5B;AACD;;AAED,UAAIgxB,UAAJ,EAAgB;AACd,YAAIA,UAAU,CAACtoB,KAAf,EAAsB;AACpBqoB,yBAAe,GAAG,IAAlB;AACAhT,oBAAU,CAAC8S,YAAY,IAAIxnB,KAAjB,EAAwB,OAAxB,EAAiC2nB,UAAU,CAACtoB,KAA5C,CAAV;AACD;;AACD,YAAIsoB,UAAU,CAACE,SAAf,EAA0B;AACxBnT,oBAAU,CAAC8S,YAAY,IAAIxnB,KAAjB,EAAwB,MAAxB,EAAgC2nB,UAAU,CAACE,SAA3C,CAAV;AACD;AACF;AACF,KAlCD,EAVsB,CA8CtB;;AACA,QAAIJ,eAAe,IAAIC,eAAvB,EAAwC;AACtC7iB,YAAM,GAAGA,MAAM,CAAChT,MAAP,CAAc;AAAA,YAAG3c,UAAH,QAAGA,UAAH;AAAA,eAAoB,CAAC,CAACA,UAAtB;AAAA,OAAd,CAAT;AACD,KAjDqB,CAmDtB;;;AACA2vB,UAAM,GAAGA,MAAM,CAAChT,MAAP,CAAc,iBAAgC;AAAA,UAA7Bzf,UAA6B,SAA7BA,UAA6B;AAAA,UAAjB8C,UAAiB,SAAjBA,UAAiB;AACrD,aAAO,CAAC,CAAC9C,UAAD,IAAemxB,qBAAqB,CAACnxB,UAAD,EAAa,OAAb,CAArC,MAAgE,CAAC8C,UAAD,IAAequB,qBAAqB,CAACruB,UAAD,EAAa,OAAb,CAApG,CAAP;AACD,KAFQ,CAAT;;AAIA,QAAI1K,IAAI,CAACohC,WAAT,EAAsB;AACpBA,iBAAW,GAAGphC,IAAI,CAACohC,WAAL,CAAiB/Z,MAAjB,CAAwB,UAAA/d,KAAK;AAAA,eAAI,CAACA,KAAK,CAAC1B,UAAP,IAAqBmxB,qBAAqB,CAACzvB,KAAK,CAAC1B,UAAP,EAAmB,OAAnB,CAA9C;AAAA,OAA7B,CAAd,CADoB,CAEpB;;AACAw5B,iBAAW,CAAC5oB,OAAZ,CAAoB,UAAClP,KAAD,EAAQ4e,KAAR,EAAkB;AACpC5e,aAAK,CAACwB,EAAN,GAAWod,KAAX;AACD,OAFD;AAGD;;AAED,QAAImS,MAAM,CAACt3B,MAAP,GAAgB,CAApB,EAAuB;AACrB;AACA+5C,kBAAY,GAAGziB,MAAM,CAAC,CAAD,CAAN,CAAUO,OAAzB,CAFqB,CAGrB;;AACAP,YAAM,CAACzV,IAAP,CAAY,UAACC,CAAD,EAAIhM,CAAJ;AAAA,eAAUgM,CAAC,CAAC+V,OAAF,GAAY/hB,CAAC,CAAC+hB,OAAxB;AAAA,OAAZ;AACA,WAAK6hB,OAAL,GAAepiB,MAAf,CALqB,CAMrB;;AACA,WAAK,IAAI34B,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG24B,MAAM,CAACt3B,MAA3B,EAAmCrB,CAAC,EAApC,EAAwC;AACtC,YAAI24B,MAAM,CAAC34B,CAAD,CAAN,CAAUk5B,OAAV,KAAsBkiB,YAA1B,EAAwC;AACtC,eAAKQ,WAAL,GAAmB57C,CAAnB;AACA0E,0BAAM,CAACC,GAAP,sBAA8Bg0B,MAAM,CAACt3B,MAArC,uCAA6E+5C,YAA7E;AACA;AACD;AACF,OAboB,CAerB;;;AACA,WAAKjqB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAAC2pB,eAAvB,EAAwC;AACtCyJ,cAAM,EAANA,MADsC;AAEtC+G,mBAAW,EAAXA,WAFsC;AAGtCmc,kBAAU,EAAE,KAAKD,WAHqB;AAItCl0B,aAAK,EAAEppB,IAAI,CAACopB,KAJ0B;AAKtC1W,aAAK,EAAEwqC,eAL+B;AAMtCzqC,aAAK,EAAEwqC,eAN+B;AAOtCtI,gBAAQ,EAAEvT,WAAW,CAACoc,IAAZ,CAAiB,UAAA76C,CAAC;AAAA,iBAAI,CAAC,CAACA,CAAC,CAACwpB,GAAR;AAAA,SAAlB;AAP4B,OAAxC;AASD,KAzBD,MAyBO;AACL,WAAK0G,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,YAAI,EAAEC,oBAAU,CAACC,WADW;AAE5BC,eAAO,EAAEC,sBAAY,CAACk2C,kCAFM;AAG5Bh2C,aAAK,EAAE,IAHqB;AAI5B0kB,WAAG,EAAE,KAAK0G,GAAL,CAAS1G,GAJc;AAK5BzkB,cAAM,EAAE;AALoB,OAA9B;AAOD;AACF,G;;SAoBDg2C,gB,GAAA,0BAAkBC,QAAlB,EAA4B;AAC1B,QAAMtjB,MAAM,GAAG,KAAKoiB,OAApB;AACA,QAAM5pB,GAAG,GAAG,KAAKA,GAAjB,CAF0B,CAG1B;;AACA,QAAI8qB,QAAQ,IAAI,CAAZ,IAAiBA,QAAQ,GAAGtjB,MAAM,CAACt3B,MAAvC,EAA+C;AAC7C;AACA,WAAKy5C,UAAL;;AACA,UAAI,KAAKH,iBAAL,KAA2BsB,QAA/B,EAAyC;AACvCv3C,wBAAM,CAACC,GAAP,yBAAiCs3C,QAAjC;AACA,aAAKtB,iBAAL,GAAyBsB,QAAzB;AACA,YAAMC,eAAe,GAAGvjB,MAAM,CAACsjB,QAAD,CAA9B;AACAC,uBAAe,CAACpoB,KAAhB,GAAwBmoB,QAAxB;AACA9qB,WAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAAC4pB,eAAlB,EAAmC+sB,eAAnC;AACD;;AACD,UAAMpoB,KAAK,GAAG6E,MAAM,CAACsjB,QAAD,CAApB;AACA,UAAMjc,YAAY,GAAGlM,KAAK,CAACluB,OAA3B,CAX6C,CAa7C;;AACA,UAAI,CAACo6B,YAAD,IAAiBA,YAAY,CAAC7K,IAAlC,EAAwC;AACtC;AACA,YAAItB,KAAK,GAAGC,KAAK,CAACD,KAAlB;AACA1C,WAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAAC8pB,aAAlB,EAAiC;AAAE5E,aAAG,EAAEqJ,KAAK,CAACrJ,GAAN,CAAUoJ,KAAV,CAAP;AAAyBC,eAAK,EAAEmoB,QAAhC;AAA0C7yC,YAAE,EAAEyqB;AAA9C,SAAjC;AACD;AACF,KAnBD,MAmBO;AACL;AACA1C,SAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AACvBC,YAAI,EAAEC,oBAAU,CAACusB,WADM;AAEvBrsB,eAAO,EAAEC,sBAAY,CAACs2C,kBAFC;AAGvBroB,aAAK,EAAEmoB,QAHgB;AAIvBl2C,aAAK,EAAE,KAJgB;AAKvBC,cAAM,EAAE;AALe,OAAzB;AAOD;AACF,G;;SA4CD64B,O,GAAA,iBAASvgC,IAAT,EAAe;AACb,QAAIA,IAAI,CAACyH,KAAT,EAAgB;AACd,UAAIzH,IAAI,CAACmH,IAAL,KAAcC,oBAAU,CAACg7B,aAA7B,EAA4C;AAC1C,aAAKoa,UAAL;AACD;;AAED;AACD;;AAED,QAAIsB,UAAU,GAAG,KAAjB;AAAA,QAAwBV,aAAa,GAAG,KAAxC;AACA,QAAIW,UAAJ,CAVa,CAYb;;AACA,YAAQ/9C,IAAI,CAACsH,OAAb;AACA,WAAKC,sBAAY,CAACo8B,eAAlB;AACA,WAAKp8B,sBAAY,CAACq8B,iBAAlB;AACA,WAAKr8B,sBAAY,CAAC28B,cAAlB;AACA,WAAK38B,sBAAY,CAAC48B,gBAAlB;AACE4Z,kBAAU,GAAG/9C,IAAI,CAAC+W,IAAL,CAAUye,KAAvB;AACA4nB,qBAAa,GAAG,IAAhB;AACA;;AACF,WAAK71C,sBAAY,CAACk7B,gBAAlB;AACA,WAAKl7B,sBAAY,CAACi7B,kBAAlB;AACEub,kBAAU,GAAG/9C,IAAI,CAAC+9B,OAAL,CAAavI,KAA1B;AACAsoB,kBAAU,GAAG,IAAb;AACA;;AACF,WAAKv2C,sBAAY,CAACme,iBAAlB;AACEq4B,kBAAU,GAAG/9C,IAAI,CAACw1B,KAAlB;AACAsoB,kBAAU,GAAG,IAAb;AACA;AAhBF;;AAmBA,QAAIC,UAAU,KAAK14C,SAAnB,EAA8B;AAC5B,WAAK24C,YAAL,CAAkBh+C,IAAlB,EAAwB+9C,UAAxB,EAAoCD,UAApC,EAAgDV,aAAhD;AACD;AACF;AAED;;;;;;;;;AASA;;;SACAY,Y,GAAA,sBAAcC,UAAd,EAA0BF,UAA1B,EAAsCD,UAAtC,EAAkDV,aAAlD,EAAiE;AAAA;;AAAA,QACzD13C,MADyD,GAC9C,KAAKmtB,GADyC,CACzDntB,MADyD;AAAA,QAEhDw4C,YAFgD,GAE/BD,UAF+B,CAEzD32C,OAFyD;AAG/D,QAAIkuB,KAAK,GAAG,KAAKinB,OAAL,CAAasB,UAAb,CAAZ;AACA,QAAII,eAAJ,EAAqB7C,KAArB,EAA4BhD,SAA5B;AAEA9iB,SAAK,CAACmnB,SAAN;AACAnnB,SAAK,CAAC4nB,aAAN,GAAsBA,aAAtB;;AAEA,QAAIU,UAAJ,EAAgB;AACd,UAAK,KAAKpB,eAAL,GAAuB,CAAxB,IAA8Bh3C,MAAM,CAACs6B,oBAAzC,EAA+D;AAC7D;AACAsb,aAAK,GAAG1tC,IAAI,CAACC,GAAL,CAASD,IAAI,CAACiO,GAAL,CAAS,CAAT,EAAY,KAAK6gC,eAAjB,IAAoCh3C,MAAM,CAACu6B,sBAApD,EAA4Ev6B,MAAM,CAACw6B,2BAAnF,CAAR,CAF6D,CAG7D;;AACA,aAAKqc,KAAL,GAAajK,UAAU,CAAC;AAAA,iBAAM,MAAI,CAACsK,SAAL,EAAN;AAAA,SAAD,EAAyBtB,KAAzB,CAAvB,CAJ6D,CAK7D;;AACA2C,kBAAU,CAAC1C,UAAX,GAAwB,IAAxB;AACA,aAAKmB,eAAL;AACAt2C,wBAAM,CAACgN,IAAP,wBAAiC8qC,YAAjC,mBAA2D5C,KAA3D,oCAA+F,KAAKoB,eAApG;AACD,OATD,MASO;AACLt2C,wBAAM,CAACU,KAAP,4CAAsDo3C,YAAtD;AACA,aAAK7B,iBAAL,GAAyB,IAAzB,CAFK,CAGL;;AACA,aAAKG,UAAL,GAJK,CAKL;;AACAyB,kBAAU,CAACx2C,KAAX,GAAmB,IAAnB;AACA;AACD;AACF,KA5B8D,CA8B/D;AACA;;;AACA,QAAIq2C,UAAU,IAAIV,aAAlB,EAAiC;AAC/Be,qBAAe,GAAG3oB,KAAK,CAACrJ,GAAN,CAAUppB,MAA5B;;AAEA,UAAIo7C,eAAe,GAAG,CAAlB,IAAuB3oB,KAAK,CAACmnB,SAAN,GAAkBwB,eAA7C,EAA8D;AAC5D3oB,aAAK,CAACD,KAAN,GAAc,CAACC,KAAK,CAACD,KAAN,GAAc,CAAf,IAAoB4oB,eAAlC;AACA3oB,aAAK,CAACluB,OAAN,GAAgBjC,SAAhB;AAEAe,wBAAM,CAACgN,IAAP,wBAAiC8qC,YAAjC,mBAA2DH,UAA3D,wCAAwGvoB,KAAK,CAACD,KAA9G,EAJ4D,CAM5D;AACA;AACD,OARD,MAQO;AACL;AACA,YAAI,KAAK+mB,gBAAL,KAA0B,CAAC,CAA/B,EAAkC;AAChC;AACAhE,mBAAS,GAAIyF,UAAU,KAAK,CAAhB,GAAqB,KAAKtB,OAAL,CAAa15C,MAAb,GAAsB,CAA3C,GAA+Cg7C,UAAU,GAAG,CAAxE;AACA33C,0BAAM,CAACgN,IAAP,wBAAiC8qC,YAAjC,oBAA4D5F,SAA5D;AACA,eAAKzlB,GAAL,CAASurB,aAAT,GAAyB,KAAK/B,iBAAL,GAAyB/D,SAAlD;AACD,SALD,MAKO,IAAI8E,aAAJ,EAAmB;AACxB;AACA;AACAh3C,0BAAM,CAACgN,IAAP,wBAAiC8qC,YAAjC;AACA,eAAK7B,iBAAL,GAAyB,IAAzB;AACD;AACF;AACF;AACF,G,CAED;;;SACA7V,Y,GAAA,6BAAwB;AAAA,QAARzvB,IAAQ,SAARA,IAAQ;;AACtB,QAAIA,IAAI,KAAK1R,SAAT,IAAsB0R,IAAI,CAAC5P,IAAL,KAAc,MAAxC,EAAgD;AAC9C,UAAMquB,KAAK,GAAG,KAAKinB,OAAL,CAAa1lC,IAAI,CAACye,KAAlB,CAAd;;AACA,UAAIA,KAAK,KAAKnwB,SAAd,EAAyB;AACvBmwB,aAAK,CAAC4nB,aAAN,GAAsB,KAAtB;AACA5nB,aAAK,CAACmnB,SAAN,GAAkB,CAAlB;AACA,aAAKD,eAAL,GAAuB,CAAvB;AACD;AACF;AACF,G;;SAEDrD,a,GAAA,uBAAer5C,IAAf,EAAqB;AAAA;;AAAA,QACXw1B,KADW,GACQx1B,IADR,CACXw1B,KADW;AAAA,QACJluB,OADI,GACQtH,IADR,CACJsH,OADI,EAEnB;;AACA,QAAIkuB,KAAK,KAAK,KAAK6mB,iBAAnB,EAAsC;AACpC;AACD;;AAED,QAAM9C,QAAQ,GAAG,KAAKkD,OAAL,CAAajnB,KAAb,CAAjB,CAPmB,CAQnB;;AACA,QAAI,CAAC+jB,QAAQ,CAAC6D,aAAd,EAA6B;AAC3B7D,cAAQ,CAACoD,SAAT,GAAqB,CAArB;AACA,WAAKD,eAAL,GAAuB,CAAvB;AACD,KAZkB,CAanB;;;AACA,QAAIp1C,OAAO,CAACuvB,IAAZ,EAAkB;AAChB,UAAMwV,cAAc,GAAGH,qBAAqB,CAACqN,QAAQ,CAACjyC,OAAV,EAAmBA,OAAnB,EAA4BtH,IAAI,CAACopB,KAAL,CAAWi1B,QAAvC,CAA5C;AACAj4C,sBAAM,CAACC,GAAP,+BAAuCuH,IAAI,CAAC6J,KAAL,CAAW40B,cAAX,CAAvC;AACA,WAAKkQ,KAAL,GAAajK,UAAU,CAAC;AAAA,eAAM,MAAI,CAACsK,SAAL,EAAN;AAAA,OAAD,EAAyBvQ,cAAzB,CAAvB;AACD,KAJD,MAIO;AACL,WAAKmQ,UAAL;AACD;AACF,G;;SAED5B,oB,GAAA,8BAAsB56C,IAAtB,EAA4B;AAC1B,QAAMs+C,YAAY,GAAG,KAAKzrB,GAAL,CAASuO,WAAT,CAAqBphC,IAAI,CAAC8K,EAA1B,EAA8BswB,OAAnD;AAEA,QAAMue,YAAY,GAAG,KAAK9mB,GAAL,CAASwH,MAAT,CAAgB,KAAKgiB,iBAArB,CAArB;;AACA,QAAI,CAAC1C,YAAL,EAAmB;AACjB;AACD;;AAED,QAAIA,YAAY,CAACxP,aAAjB,EAAgC;AAC9B,UAAI5U,KAAK,GAAG,CAAC,CAAb;;AAEA,WAAK,IAAI7zB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGi4C,YAAY,CAACxP,aAAb,CAA2BpnC,MAA/C,EAAuDrB,CAAC,EAAxD,EAA4D;AAC1D,YAAIi4C,YAAY,CAACxP,aAAb,CAA2BzoC,CAA3B,MAAkC48C,YAAtC,EAAoD;AAClD/oB,eAAK,GAAG7zB,CAAR;AACA;AACD;AACF;;AAED,UAAI6zB,KAAK,KAAKokB,YAAY,CAACpkB,KAA3B,EAAkC;AAChCokB,oBAAY,CAACpkB,KAAb,GAAqBA,KAArB;AACA,aAAK6d,SAAL;AACD;AACF;AACF,G;;SAEDwJ,S,GAAA,qBAAa;AACXx2C,oBAAM,CAAC6R,KAAP,CAAa,mBAAb;;AAEA,QAAI,KAAKokC,iBAAL,KAA2B,IAA3B,IAAmC,KAAKD,OAA5C,EAAqD;AACnD,UAAMmC,WAAW,GAAG,KAAK9B,OAAL,CAAa,KAAKJ,iBAAlB,CAApB;;AAEA,UAAI,OAAOkC,WAAP,KAAuB,QAAvB,IACFA,WAAW,CAACpyB,GAAZ,CAAgBppB,MAAhB,GAAyB,CAD3B,EAC8B;AAC5B,YAAMyyB,KAAK,GAAG,KAAK6mB,iBAAnB;AACA,YAAMvxC,EAAE,GAAGyzC,WAAW,CAAChpB,KAAvB;AACA,YAAMpJ,GAAG,GAAGoyB,WAAW,CAACpyB,GAAZ,CAAgBrhB,EAAhB,CAAZ;AAEA1E,wBAAM,CAACC,GAAP,kCAA0CmvB,KAA1C,qBAA+D1qB,EAA/D,EAL4B,CAO5B;AACA;;AAEA,aAAK+nB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAAC8pB,aAAvB,EAAsC;AAAE5E,aAAG,EAAHA,GAAF;AAAOqJ,eAAK,EAALA,KAAP;AAAc1qB,YAAE,EAAFA;AAAd,SAAtC;AACD;AACF;AACF,G;;;;wBA1Ra;AACZ,aAAO,KAAK2xC,OAAZ;AACD;;;wBAEY;AACX,aAAO,KAAKJ,iBAAZ;AACD,K;sBAEUsB,Q,EAAU;AACnB,UAAItjB,MAAM,GAAG,KAAKoiB,OAAlB;;AACA,UAAIpiB,MAAJ,EAAY;AACVsjB,gBAAQ,GAAG/vC,IAAI,CAACC,GAAL,CAAS8vC,QAAT,EAAmBtjB,MAAM,CAACt3B,MAAP,GAAgB,CAAnC,CAAX;;AACA,YAAI,KAAKs5C,iBAAL,KAA2BsB,QAA3B,IAAuC,CAACtjB,MAAM,CAACsjB,QAAD,CAAN,CAAiBr2C,OAA7D,EAAsE;AACpE,eAAKo2C,gBAAL,CAAsBC,QAAtB;AACD;AACF;AACF;;;wBAqCkB;AACjB,aAAO,KAAKrB,gBAAZ;AACD,K;sBAEgBqB,Q,EAAU;AACzB,WAAKrB,gBAAL,GAAwBqB,QAAxB;;AACA,UAAI,KAAKa,WAAL,KAAqBn5C,SAAzB,EAAoC;AAClC,aAAKm5C,WAAL,GAAmBb,QAAnB;AACD;;AAED,UAAIA,QAAQ,KAAK,CAAC,CAAlB,EAAqB;AACnB,aAAKnoB,KAAL,GAAamoB,QAAb;AACD;AACF;;;wBAEiB;AAChB,aAAO,KAAKL,WAAZ;AACD,K;sBAEeK,Q,EAAU;AACxB,WAAKL,WAAL,GAAmBK,QAAnB;AACD;;;wBAEiB;AAChB;AACA;AACA,UAAI,KAAKa,WAAL,KAAqBn5C,SAAzB,EAAoC;AAClC,YAAIo5C,gBAAgB,GAAG,KAAK5rB,GAAL,CAASntB,MAAT,CAAgBovC,UAAvC;;AACA,YAAI2J,gBAAgB,KAAKp5C,SAAzB,EAAoC;AAClC,iBAAOo5C,gBAAP;AACD,SAFD,MAEO;AACL,iBAAO,KAAKnB,WAAZ;AACD;AACF,OAPD,MAOO;AACL,eAAO,KAAKkB,WAAZ;AACD;AACF,K;sBAEeb,Q,EAAU;AACxB,WAAKa,WAAL,GAAmBb,QAAnB;AACD;;;wBA+LoB;AACnB,UAAI,KAAKrB,gBAAL,KAA0B,CAAC,CAA/B,EAAkC;AAChC,eAAO,KAAKA,gBAAZ;AACD,OAFD,MAEO;AACL,eAAO,KAAKzpB,GAAL,CAASurB,aAAhB;AACD;AACF,K;sBAEkB9F,S,EAAW;AAC5B,WAAK9iB,KAAL,GAAa8iB,SAAb;;AACA,UAAI,KAAKgE,gBAAL,KAA0B,CAAC,CAA/B,EAAkC;AAChC,aAAKzpB,GAAL,CAASurB,aAAT,GAAyB9F,SAAzB;AACD;AACF;;;;EApc0C1lB,a;;;;;;;ACbtC,SAAS8rB,iBAAT,CAA4Bp1C,KAA5B,EAA8Cq1C,OAA9C,EAAyE;AAC9E,MAAI50B,KAAJ;;AACA,MAAI;AACFA,SAAK,GAAG,IAAI9iB,KAAJ,CAAU,UAAV,CAAR;AACD,GAFD,CAEE,OAAON,GAAP,EAAY;AACZ;AACAojB,SAAK,GAAG60B,QAAQ,CAACC,WAAT,CAAqB,OAArB,CAAR;AACA90B,SAAK,CAAC+0B,SAAN,CAAgB,UAAhB,EAA4B,KAA5B,EAAmC,KAAnC;AACD;;AACA/0B,OAAD,CAAezgB,KAAf,GAAuBA,KAAvB;AACAq1C,SAAO,CAACI,aAAR,CAAsBh1B,KAAtB;AACD;AAEM,SAASi1B,gBAAT,CAA2B11C,KAA3B,EAA6C;AAClD,MAAIA,KAAK,IAAIA,KAAK,CAAC21C,IAAnB,EAAyB;AACvB,WAAO31C,KAAK,CAAC21C,IAAN,CAAWl8C,MAAX,GAAoB,CAA3B,EAA8B;AAC5BuG,WAAK,CAAC41C,SAAN,CAAgB51C,KAAK,CAAC21C,IAAN,CAAW,CAAX,CAAhB;AACD;AACF;AACF;AAED;;;;;;;;;;;AAUO,SAASE,aAAT,CAAwBF,IAAxB,EAAiE1Z,IAAjE,EAA6F;AAClG;AACA,MAAIA,IAAI,GAAG0Z,IAAI,CAAC,CAAD,CAAJ,CAAQ/1B,OAAnB,EAA4B;AAC1B,WAAO+1B,IAAI,CAAC,CAAD,CAAX;AACD,GAJiG,CAKlG;;;AACA,MAAI1Z,IAAI,GAAG0Z,IAAI,CAACA,IAAI,CAACl8C,MAAL,GAAc,CAAf,CAAJ,CAAsBmmB,OAAjC,EAA0C;AACxC,WAAO+1B,IAAI,CAACA,IAAI,CAACl8C,MAAL,GAAc,CAAf,CAAX;AACD;;AAED,MAAIq8C,IAAI,GAAG,CAAX;AACA,MAAIC,KAAK,GAAGJ,IAAI,CAACl8C,MAAL,GAAc,CAA1B;;AAEA,SAAOq8C,IAAI,IAAIC,KAAf,EAAsB;AACpB,QAAMC,GAAG,GAAG1xC,IAAI,CAACkE,KAAL,CAAW,CAACutC,KAAK,GAAGD,IAAT,IAAiB,CAA5B,CAAZ;;AAEA,QAAI7Z,IAAI,GAAG0Z,IAAI,CAACK,GAAD,CAAJ,CAAUp2B,OAArB,EAA8B;AAC5Bm2B,WAAK,GAAGC,GAAG,GAAG,CAAd;AACD,KAFD,MAEO,IAAI/Z,IAAI,GAAG0Z,IAAI,CAACK,GAAD,CAAJ,CAAUp2B,OAArB,EAA8B;AACnCk2B,UAAI,GAAGE,GAAG,GAAG,CAAb;AACD,KAFM,MAEA;AACL;AACA,aAAOL,IAAI,CAACK,GAAD,CAAX;AACD;AACF,GAxBiG,CAyBlG;AACA;;;AACA,SAAQL,IAAI,CAACG,IAAD,CAAJ,CAAWl2B,OAAX,GAAqBqc,IAAtB,GAA+BA,IAAI,GAAG0Z,IAAI,CAACI,KAAD,CAAJ,CAAYn2B,OAAlD,GAA6D+1B,IAAI,CAACG,IAAD,CAAjE,GAA0EH,IAAI,CAACI,KAAD,CAArF;AACD,C;;;;AC5DD;;;AAIA;AACA;AACA;AACA;AACA;;IAEME,uC;;;;;AACJ,8BAAa1sB,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACE5rB,iBAAK,CAAC8oB,cADR,EAEE9oB,iBAAK,CAAC+oB,eAFR,EAGE/oB,iBAAK,CAACkhB,qBAHR,EAIElhB,iBAAK,CAACkqB,wBAJR;AAOA,UAAK1c,QAAL,GAAgBpP,SAAhB;AACA,UAAK81B,KAAL,GAAa91B,SAAb;AATgB;AAUjB;;;;SAEDD,O,GAAA,mBAAW;AACTwtB,iBAAY,CAACrT,SAAb,CAAuBna,OAAvB,CAA+Boa,IAA/B,CAAoC,IAApC;AACD,G,CAED;;;SACAk5B,e,GAAA,yBAAiB14C,IAAjB,EAAuB;AACrB,SAAKm7B,KAAL,GAAan7B,IAAI,CAACm7B,KAAlB;;AACA,QAAI,CAAC,KAAKA,KAAV,EAAiB,CAEhB;AACF,G;;SAED6d,gB,GAAA,4BAAoB;AAClBgG,oBAAgB,CAAC,KAAKvqC,QAAN,CAAhB;AACA,SAAKA,QAAL,GAAgBpP,SAAhB;AACA,SAAK81B,KAAL,GAAa91B,SAAb;AACD,G;;SAEDm6C,W,GAAA,qBAAaC,UAAb,EAAyB;AACvB,SAAK,IAAI/9C,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG+9C,UAAU,CAAC18C,MAA/B,EAAuCrB,CAAC,EAAxC,EAA4C;AAC1C,UAAI2U,SAAS,GAAGopC,UAAU,CAAC/9C,CAAD,CAA1B;;AACA,UAAI2U,SAAS,CAACqpC,IAAV,KAAmB,UAAnB,IAAiCrpC,SAAS,CAACspC,KAAV,KAAoB,KAAzD,EAAgE;AAC9D;AACA;AACAjB,yBAAiB,CAACroC,SAAD,EAAY,KAAK8kB,KAAjB,CAAjB;AAEA,eAAO9kB,SAAP;AACD;AACF;;AACD,WAAO,KAAK8kB,KAAL,CAAWykB,YAAX,CAAwB,UAAxB,EAAoC,KAApC,CAAP;AACD,G;;SAEDC,uB,GAAA,uCAAwC;AAAA,QAAbxX,SAAa,QAAbA,SAAa;;AACtC,QAAI,CAAC,KAAK5zB,QAAN,IAAkB,CAAC,KAAKA,QAAL,CAAcwqC,IAAjC,IAAyC,CAAC,KAAKxqC,QAAL,CAAcwqC,IAAd,CAAmBl8C,MAAjE,EAAyE;AACvE;AACD;;AACD,QAAM+8C,QAAQ,GAAGX,aAAa,CAAC,KAAK1qC,QAAL,CAAcwqC,IAAf,EAAqB5W,SAArB,CAA9B;;AACA,QAAI,CAACyX,QAAL,EAAe;AACb;AACD;;AAED,QAAIC,UAAU,GAAG,IAAjB;;AACA,WAAOA,UAAP,EAAmB;AACjB,UAAMC,GAAG,GAAG,KAAKvrC,QAAL,CAAcwqC,IAAd,CAAmB,CAAnB,CAAZ;;AACA,UAAI,CAAC,KAAKxqC,QAAL,CAAcwqC,IAAd,CAAmBl8C,MAApB,IAA8Bi9C,GAAG,CAACl1C,EAAJ,KAAWg1C,QAAQ,CAACh1C,EAAtD,EAA0D;AACxDi1C,kBAAU,GAAG,KAAb;AACA;AACD;;AACD,WAAKtrC,QAAL,CAAcyqC,SAAd,CAAwBc,GAAxB;AACD;AACF,G;;SAEDC,qB,GAAA,+BAAuBjgD,IAAvB,EAA6B;AAC3B,QAAMmvB,QAAQ,GAAGnvB,IAAI,CAAC+W,IAAtB;AACA,QAAM5M,OAAO,GAAGnK,IAAI,CAACmK,OAArB,CAF2B,CAI3B;;AACA,QAAI,CAAC,KAAKsK,QAAV,EAAoB;AAClB,WAAKA,QAAL,GAAgB,KAAK+qC,WAAL,CAAiB,KAAKrkB,KAAL,CAAWskB,UAA5B,CAAhB;AACA,WAAKhrC,QAAL,CAAcyrC,IAAd,GAAqB,QAArB;AACD,KAR0B,CAU3B;AACA;AACA;;;AACA,QAAIC,GAAG,GAAG3iB,MAAM,CAAC4iB,aAAP,IAAwB5iB,MAAM,CAAC6iB,MAA/B,IAAyC7iB,MAAM,CAAC8iB,YAA1D;;AAEA,SAAK,IAAI5+C,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGyI,OAAO,CAACpH,MAA5B,EAAoCrB,CAAC,EAArC,EAAyC;AACvC,UAAMspB,MAAM,GAAG3f,cAAG,CAAC4f,YAAJ,CAAiB9gB,OAAO,CAACzI,CAAD,CAAP,CAAW1B,IAA5B,CAAf;;AACA,UAAIgrB,MAAJ,EAAY;AACV,YAAM/B,SAAS,GAAG9e,OAAO,CAACzI,CAAD,CAAP,CAAW+H,GAA7B;AACA,YAAIyf,OAAO,GAAGxnB,CAAC,GAAGyI,OAAO,CAACpH,MAAR,GAAiB,CAArB,GAAyBoH,OAAO,CAACzI,CAAC,GAAG,CAAL,CAAP,CAAe+H,GAAxC,GAA8C0lB,QAAQ,CAACrM,MAArE;;AAEA,YAAImG,SAAS,KAAKC,OAAlB,EAA2B;AACzB;AACAA,iBAAO,IAAI,MAAX;AACD,SAHD,MAGO,IAAID,SAAS,GAAGC,OAAhB,EAAyB;AAC9B9iB,0BAAM,CAACgN,IAAP,CAAY,0FAAZ;AACA8V,iBAAO,GAAGD,SAAS,GAAG,IAAtB;AACD;;AAED,aAAK,IAAI7Z,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG4b,MAAM,CAACjoB,MAA3B,EAAmCqM,CAAC,EAApC,EAAwC;AACtC,cAAMrD,KAAK,GAAGif,MAAM,CAAC5b,CAAD,CAApB,CADsC,CAEtC;;AACA,cAAI,CAAC/D,cAAG,CAAC6f,gBAAJ,CAAqBnf,KAArB,CAAL,EAAkC;AAChC,gBAAMi0C,GAAG,GAAG,IAAIG,GAAJ,CAAQl3B,SAAR,EAAmBC,OAAnB,EAA4B,EAA5B,CAAZ;AACA82B,eAAG,CAACvlC,KAAJ,GAAY1O,KAAZ;AACA,iBAAK0I,QAAL,CAAc8rC,MAAd,CAAqBP,GAArB;AACD;AACF;AACF;AACF;AACF,G;;SAEDH,uB,GAAA,wCAAwC;AAAA,QAAbxX,SAAa,SAAbA,SAAa;AAAA,QAC9B5zB,QAD8B,GACjB,IADiB,CAC9BA,QAD8B;;AAEtC,QAAI,CAACA,QAAD,IAAa,CAACA,QAAQ,CAACwqC,IAAvB,IAA+B,CAACxqC,QAAQ,CAACwqC,IAAT,CAAcl8C,MAAlD,EAA0D;AACxD;AACD;;AACD,QAAM+8C,QAAQ,GAAGX,aAAa,CAAC1qC,QAAQ,CAACwqC,IAAV,EAAgB5W,SAAhB,CAA9B;;AACA,QAAI,CAACyX,QAAL,EAAe;AACb;AACD;;AACD,WAAOrrC,QAAQ,CAACwqC,IAAT,CAAc,CAAd,MAAqBa,QAA5B,EAAsC;AACpCrrC,cAAQ,CAACyqC,SAAT,CAAmBzqC,QAAQ,CAACwqC,IAAT,CAAc,CAAd,CAAnB;AACD;AACF,G;;;EAvH8BrsB,a;;AA0HlB2sB,gGAAf,E;;ACpIA;AAEO,SAASiB,wBAAT,GAAiC;AACtC,MAAMC,WAAW,GAAGhY,cAAc,EAAlC;;AACA,MAAI,CAACgY,WAAL,EAAkB;AAChB,WAAO,KAAP;AACD;;AACD,MAAMC,YAAY,GAAG72B,IAAI,CAAC82B,YAAL,IAAsB92B,IAAD,CAAc+2B,kBAAxD;AACA,MAAM3nB,eAAe,GAAGwnB,WAAW,IACjC,OAAOA,WAAW,CAACxnB,eAAnB,KAAuC,UADjB,IAEtBwnB,WAAW,CAACxnB,eAAZ,CAA4B,2CAA5B,CAFF,CANsC,CAUtC;AACA;;AACA,MAAM4nB,oBAAoB,GAAG,CAACH,YAAD,IAC1BA,YAAY,CAACnhC,SAAb,IACC,OAAOmhC,YAAY,CAACnhC,SAAb,CAAuBuhC,YAA9B,KAA+C,UADhD,IAEC,OAAOJ,YAAY,CAACnhC,SAAb,CAAuBwhC,MAA9B,KAAyC,UAH7C;AAIA,SAAO,CAAC,CAAC9nB,eAAF,IAAqB,CAAC,CAAC4nB,oBAA9B;AACD,C;;ACnBD;;;;;IAMMG,I;;;AAKJ;AACA,gBAAaC,QAAb,EAA+B;AAAA,SALvBC,MAKuB;AAAA,SAJvBC,SAIuB;AAAA,SAHvBC,YAGuB;AAC7B;AACA,SAAKF,MAAL,GAAcD,QAAQ,GAAGrzC,IAAI,CAACyzC,GAAL,CAASzzC,IAAI,CAACvH,GAAL,CAAS,GAAT,IAAgB46C,QAAzB,CAAH,GAAwC,CAA9D;AACA,SAAKE,SAAL,GAAiB,CAAjB;AACA,SAAKC,YAAL,GAAoB,CAApB;AACD;;;;SAED/2C,M,GAAA,gBAAQi3C,MAAR,EAAwB7mC,KAAxB,EAAuC;AACrC,QAAI8mC,QAAQ,GAAG3zC,IAAI,CAACiO,GAAL,CAAS,KAAKqlC,MAAd,EAAsBI,MAAtB,CAAf;AACA,SAAKH,SAAL,GAAiB1mC,KAAK,IAAI,IAAI8mC,QAAR,CAAL,GAAyBA,QAAQ,GAAG,KAAKJ,SAA1D;AACA,SAAKC,YAAL,IAAqBE,MAArB;AACD,G;;SAEDE,c,GAAA,0BAA0B;AACxB,WAAO,KAAKJ,YAAZ;AACD,G;;SAEDK,W,GAAA,uBAAuB;AACrB,QAAI,KAAKP,MAAT,EAAiB;AACf,UAAIQ,UAAU,GAAG,IAAI9zC,IAAI,CAACiO,GAAL,CAAS,KAAKqlC,MAAd,EAAsB,KAAKE,YAA3B,CAArB;AACA,aAAO,KAAKD,SAAL,GAAiBO,UAAxB;AACD,KAHD,MAGO;AACL,aAAO,KAAKP,SAAZ;AACD;AACF,G;;;;;AAGYH,6CAAf,E;;ACvCA;;;;;;;AAQA;;IAEMW,+C;;;AASJ;AACA,kCAAa9uB,GAAb,EAAuB+uB,IAAvB,EAAqCC,IAArC,EAAmDC,eAAnD,EAA4E;AAAA,SAT5EjvB,GAS4E;AAAA,SAPpEkvB,gBAOoE;AAAA,SANpEC,UAMoE;AAAA,SALpEC,WAKoE;AAAA,SAJpEC,KAIoE;AAAA,SAHpEC,KAGoE;AAC1E,SAAKtvB,GAAL,GAAWA,GAAX;AACA,SAAKkvB,gBAAL,GAAwBD,eAAxB;AACA,SAAKE,UAAL,GAAkB,KAAlB;AACA,SAAKC,WAAL,GAAmB,EAAnB;AACA,SAAKC,KAAL,GAAa,IAAIlB,IAAJ,CAASY,IAAT,CAAb;AACA,SAAKO,KAAL,GAAa,IAAInB,IAAJ,CAASa,IAAT,CAAb;AACD;;;;SAEDx3C,M,GAAA,gBAAQ+3C,UAAR,EAA4BC,QAA5B,EAA8C;AAC5CD,cAAU,GAAGx0C,IAAI,CAAC+U,GAAL,CAASy/B,UAAT,EAAqB,KAAKH,WAA1B,CAAb;AACA,QAAIK,OAAO,GAAG,IAAID,QAAlB;AAAA,QACE;AACAE,aAAS,GAAGH,UAAU,GAAG,IAF3B;AAAA,QAGE;AACAI,kBAAc,GAAGF,OAAO,GAAGC,SAJ7B;AAKA,SAAKJ,KAAL,CAAW93C,MAAX,CAAkBk4C,SAAlB,EAA6BC,cAA7B;AACA,SAAKN,KAAL,CAAW73C,MAAX,CAAkBk4C,SAAlB,EAA6BC,cAA7B;AACD,G;;SAEDC,W,GAAA,uBAAwB;AACtB,QAAIZ,IAAI,GAAG,KAAKM,KAAhB;AACA,WAAQN,IAAI,IAAIA,IAAI,CAACL,cAAL,MAAyB,KAAKQ,UAA9C;AACD,G;;SAEDP,W,GAAA,uBAAuB;AACrB,QAAI,KAAKgB,WAAL,EAAJ,EAAwB;AACtB;AACA;AACA;AACA;AACA,aAAO70C,IAAI,CAACC,GAAL,CAAS,KAAKs0C,KAAL,CAAWV,WAAX,EAAT,EAAmC,KAAKS,KAAL,CAAWT,WAAX,EAAnC,CAAP;AACD,KAND,MAMO;AACL,aAAO,KAAKM,gBAAZ;AACD;AACF,G;;SAED38C,O,GAAA,mBAAW,CACV,C;;;;;AAEYu8C,4GAAf,E;;;;;;;;;;;;;AC5DA;;;;;AAMA;AACA;AACA;AACA;AACA;AACA;4BAEwBnkB,M;IAAhB9U,0B,yBAAAA,W;;IAEFg6B,4B;;;;;AACJ,yBAAa7vB,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EAAW5rB,iBAAK,CAAC6qB,YAAjB,EACE7qB,iBAAK,CAACgrB,WADR,EAEEhrB,iBAAK,CAACirB,aAFR,EAGEjrB,iBAAK,CAACC,KAHR;AAIA,UAAKy7C,mBAAL,GAA2B,CAA3B;AACA,UAAKC,cAAL,GAAsB,CAAC,CAAvB;AACA,UAAK/vB,GAAL,GAAWA,GAAX;AACA,UAAK0pB,KAAL,GAAa,IAAb;AACA,UAAKsG,YAAL,GAAoB,IAApB;AACA,UAAKC,OAAL,GAAe,MAAKC,kBAAL,CAAwB5yC,IAAxB,6CAAf;AAVgB;AAWjB;;;;SAED/K,O,GAAA,mBAAW;AACT,SAAKo3C,UAAL;AACA5pB,iBAAY,CAACrT,SAAb,CAAuBna,OAAvB,CAA+Boa,IAA/B,CAAoC,IAApC;AACD,G;;SAEDwjB,a,GAAA,uBAAehjC,IAAf,EAAqB;AACnB,QAAM+W,IAAI,GAAG/W,IAAI,CAAC+W,IAAlB;;AACA,QAAIA,IAAI,CAAC5P,IAAL,KAAc,MAAlB,EAA0B;AACxB,UAAI,CAAC,KAAKo1C,KAAV,EAAiB;AACf,aAAKjJ,WAAL,GAAmBv8B,IAAnB;AACA,aAAKwlC,KAAL,GAAarK,WAAW,CAAC,KAAK4Q,OAAN,EAAe,GAAf,CAAxB;AACD,OAJuB,CAMxB;AACA;;;AACA,UAAI,CAAC,KAAKD,YAAV,EAAwB;AACtB,YAAMhwB,GAAG,GAAG,KAAKA,GAAjB;AACA,YAAMntB,MAAM,GAAGmtB,GAAG,CAACntB,MAAnB;AACA,YAAM8vB,KAAK,GAAGze,IAAI,CAACye,KAAnB;AACA,YAAMwtB,MAAM,GAAGnwB,GAAG,CAACwH,MAAJ,CAAW7E,KAAX,EAAkBluB,OAAlB,CAA0BuvB,IAAzC;AAEA,YAAIosB,QAAJ;AACA,YAAIC,QAAJ;;AACA,YAAIF,MAAJ,EAAY;AACVC,kBAAQ,GAAGv9C,MAAM,CAACy9C,eAAlB;AACAD,kBAAQ,GAAGx9C,MAAM,CAAC09C,eAAlB;AACD,SAHD,MAGO;AACLH,kBAAQ,GAAGv9C,MAAM,CAAC29C,cAAlB;AACAH,kBAAQ,GAAGx9C,MAAM,CAAC49C,cAAlB;AACD;;AACD,aAAKT,YAAL,GAAoB,IAAIlB,wBAAJ,CAA2B9uB,GAA3B,EAAgCqwB,QAAhC,EAA0CD,QAA1C,EAAoDv9C,MAAM,CAAC69C,sBAA3D,CAApB;AACD;AACF;AACF,G;;SAEDR,kB,GAAA,8BAAsB;AACpB;;;;;AAKA,QAAMlwB,GAAG,GAAG,KAAKA,GAAjB;AACA,QAAMpgB,KAAK,GAAGogB,GAAG,CAACsI,KAAlB;AACA,QAAMpkB,IAAI,GAAG,KAAKu8B,WAAlB;;AAEA,QAAI,CAACv8B,IAAL,EAAW;AACT;AACD;;AAED,QAAM2e,MAAM,GAAG3e,IAAI,CAAC2e,MAApB;AACA,QAAM8tB,YAAY,GAAG3wB,GAAG,CAAC2wB,YAAzB,CAfoB,CAiBpB;;AACA,QAAI,CAAC9tB,MAAD,IAAYA,MAAM,CAACtM,KAAP,IAAgBsM,MAAM,CAACtM,KAAP,CAAaq6B,OAA7C,EAAuD;AACrDr9C,sBAAM,CAACgN,IAAP,CAAY,qDAAZ;AACA,WAAKopC,UAAL,GAFqD,CAGrD;;AACA,WAAKoG,cAAL,GAAsB,CAAC,CAAvB;AACA;AACD;;AACD,QAAIx5B,KAAK,GAAGsM,MAAM,CAACtM,KAAnB;AACA;;;AAEA,QAAI3W,KAAK,IAAI2W,KAAT,KAAoB,CAAC3W,KAAK,CAACy9B,MAAP,IAAkBz9B,KAAK,CAAC29B,YAAN,KAAuB,CAA1C,IAAiD,CAAC39B,KAAK,CAACgkC,UAA3E,KAA0F1/B,IAAI,CAACogC,SAA/F,IAA4GpgC,IAAI,CAACye,KAArH,EAA4H;AAC1H,UAAMkuB,YAAY,GAAGh7B,0BAAW,CAACD,GAAZ,KAAoBW,KAAK,CAACi1B,QAA/C;AACA,UAAMjO,YAAY,GAAGxiC,IAAI,CAAC4N,GAAL,CAAS/I,KAAK,CAAC29B,YAAf,CAArB,CAF0H,CAI1H;;AACA,UAAIsT,YAAY,GAAI,MAAM3sC,IAAI,CAACpM,QAAX,GAAsBylC,YAA1C,EAAyD;AACvD,YAAM/V,MAAM,GAAGxH,GAAG,CAACwH,MAAnB;AACA,YAAMspB,QAAQ,GAAG/1C,IAAI,CAAC+U,GAAL,CAAS,CAAT,EAAYyG,KAAK,CAACw6B,EAAN,GAAWx6B,KAAK,CAACw6B,EAAN,GAAW,CAAtB,GAA0Bx6B,KAAK,CAACga,MAAN,GAAe,IAAf,GAAsBsgB,YAA5D,CAAjB,CAFuD,CAEqC;AAE5F;;AACA,YAAMluB,KAAK,GAAG6E,MAAM,CAACtjB,IAAI,CAACye,KAAN,CAApB;AACA,YAAMggB,YAAY,GAAGhgB,KAAK,CAACquB,WAAN,GAAoBj2C,IAAI,CAAC+U,GAAL,CAAS6S,KAAK,CAACquB,WAAf,EAA4BruB,KAAK,CAACoF,OAAlC,CAApB,GAAiEpF,KAAK,CAACoF,OAA5F;AACA,YAAMkpB,WAAW,GAAG16B,KAAK,CAAC8xB,KAAN,GAAc9xB,KAAK,CAAC8xB,KAApB,GAA4BttC,IAAI,CAAC+U,GAAL,CAASyG,KAAK,CAACga,MAAf,EAAuBx1B,IAAI,CAAC6J,KAAL,CAAWV,IAAI,CAACpM,QAAL,GAAgB6qC,YAAhB,GAA+B,CAA1C,CAAvB,CAAhD;AACA,YAAMn7B,GAAG,GAAG5H,KAAK,CAAC+1B,WAAlB;AACA,YAAMub,eAAe,GAAG,CAACD,WAAW,GAAG16B,KAAK,CAACga,MAArB,IAA+BugB,QAAvD;AACA,YAAMK,qBAAqB,GAAG,CAACzc,YAAY,CAACE,UAAb,CAAwBh1B,KAAxB,EAA+B4H,GAA/B,EAAoCwY,GAAG,CAACntB,MAAJ,CAAWygB,aAA/C,EAA8D2B,GAA9D,GAAoEzN,GAArE,IAA4E+1B,YAA1G,CAVuD,CAYvD;AACA;AACA;;AACA,YAAK4T,qBAAqB,GAAI,IAAIjtC,IAAI,CAACpM,QAAT,GAAoBylC,YAA9C,IAAiE2T,eAAe,GAAGC,qBAAvF,EAA+G;AAC7G,cAAIC,wBAAJ;AACA,cAAIlP,aAAJ,CAF6G,CAG7G;AACA;;AACA,eAAKA,aAAa,GAAGh+B,IAAI,CAACye,KAAL,GAAa,CAAlC,EAAqCuf,aAAa,GAAGyO,YAArD,EAAmEzO,aAAa,EAAhF,EAAoF;AAClF;AACA;AACA;AACA,gBAAMmP,gBAAgB,GAAG7pB,MAAM,CAAC0a,aAAD,CAAN,CAAsB8O,WAAtB,GACrBj2C,IAAI,CAAC+U,GAAL,CAAS0X,MAAM,CAAC0a,aAAD,CAAN,CAAsB8O,WAA/B,EAA4CxpB,MAAM,CAAC0a,aAAD,CAAN,CAAsBna,OAAlE,CADqB,GAErBP,MAAM,CAAC0a,aAAD,CAAN,CAAsBna,OAF1B;;AAIA,gBAAMqpB,yBAAwB,GAAGltC,IAAI,CAACpM,QAAL,GAAgBu5C,gBAAhB,IAAoC,IAAI,GAAJ,GAAUP,QAA9C,CAAjC;;AAEA,gBAAIM,yBAAwB,GAAGD,qBAA/B,EAAsD;AACpD;AACA;AACD;AACF,WAnB4G,CAoB7G;AACA;;;AACA,cAAIC,wBAAwB,GAAGF,eAA/B,EAAgD;AAC9C39C,4BAAM,CAACgN,IAAP,mEAA4E2hC,aAA5E,yBAA6GA,aAA7G,2BAA+Ih+B,IAAI,CAACye,KAAL,GAAa,CAA5J,iCAAwLyuB,wBAAwB,CAACxX,OAAzB,CAAiC,CAAjC,CAAxL,SAA+NsX,eAAe,CAACtX,OAAhB,CAAwB,CAAxB,CAA/N,SAA6PuX,qBAAqB,CAACvX,OAAtB,CAA8B,CAA9B,CAA7P,EAD8C,CAE9C;;AACA5Z,eAAG,CAACkiB,aAAJ,GAAoBA,aAApB,CAH8C,CAI9C;;AACA,iBAAK8N,YAAL,CAAkBx4C,MAAlB,CAAyBq5C,YAAzB,EAAuCt6B,KAAK,CAACga,MAA7C,EAL8C,CAM9C;;;AACA1N,kBAAM,CAAC4J,KAAP,GAP8C,CAQ9C;;AACA,iBAAKkd,UAAL;AACA3pB,eAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAAC+qB,2BAAlB,EAA+C;AAAEjb,kBAAI,EAAEA,IAAR;AAAcqS,mBAAK,EAAEA;AAArB,aAA/C;AACD;AACF;AACF;AACF;AACF,G;;SAEDod,Y,GAAA,sBAAcxmC,IAAd,EAAoB;AAClB,QAAM+W,IAAI,GAAG/W,IAAI,CAAC+W,IAAlB;;AACA,QAAIA,IAAI,CAAC5P,IAAL,KAAc,MAAd,IAAwB,0CAAgB4P,IAAI,CAAC8I,EAArB,CAA5B,EAAsD;AACpD;AACA,WAAK28B,UAAL,GAFoD,CAGpD;;AACA,WAAKmG,mBAAL,GAA2B5rC,IAAI,CAACye,KAAhC,CAJoD,CAKpD;;AACA,WAAKotB,cAAL,GAAsB,CAAC,CAAvB,CANoD,CAQpD;;AACA,UAAI,KAAK/vB,GAAL,CAASntB,MAAT,CAAgBy+C,qBAApB,EAA2C;AACzC,YAAM3uB,KAAK,GAAG,KAAK3C,GAAL,CAASwH,MAAT,CAAgBtjB,IAAI,CAACye,KAArB,CAAd;AACA,YAAI4uB,WAAW,GAAG,CAAC5uB,KAAK,CAAC4N,MAAN,GAAe5N,KAAK,CAAC4N,MAAN,CAAa7pB,KAA5B,GAAoC,CAArC,IAA0CvZ,IAAI,CAACopB,KAAL,CAAWga,MAAvE;AACA,YAAIihB,cAAc,GAAG,CAAC7uB,KAAK,CAAC4N,MAAN,GAAe5N,KAAK,CAAC4N,MAAN,CAAaz4B,QAA5B,GAAuC,CAAxC,IAA6C3K,IAAI,CAAC+W,IAAL,CAAUpM,QAA5E;AACA6qB,aAAK,CAAC4N,MAAN,GAAe;AAAE7pB,eAAK,EAAE6qC,WAAT;AAAsBz5C,kBAAQ,EAAE05C;AAAhC,SAAf;AACA7uB,aAAK,CAACquB,WAAN,GAAoBj2C,IAAI,CAAC6J,KAAL,CAAW,IAAI2sC,WAAJ,GAAkBC,cAA7B,CAApB;AACD,OAfmD,CAgBpD;;;AACA,UAAIrkD,IAAI,CAAC+W,IAAL,CAAU0vB,WAAd,EAA2B;AACzB,YAAIrd,KAAK,GAAGppB,IAAI,CAACopB,KAAjB;AACAA,aAAK,CAACwY,OAAN,GAAgBxY,KAAK,CAACwwB,SAAN,GAAkBxwB,KAAK,CAAC2X,KAAxC;AACA,aAAK4F,cAAL,CAAoB3mC,IAApB;AACD;AACF;AACF,G;;SAED2mC,c,GAAA,wBAAgB3mC,IAAhB,EAAsB;AACpB,QAAMopB,KAAK,GAAGppB,IAAI,CAACopB,KAAnB;AACA,QAAMrS,IAAI,GAAG/W,IAAI,CAAC+W,IAAlB,CAFoB,CAGpB;AACA;AACA;AACA;;AACA,QAAIqS,KAAK,CAACq6B,OAAN,KAAkB,IAAlB,IAA0B1sC,IAAI,CAAC5P,IAAL,KAAc,MAAxC,IAAkD,0CAAgB4P,IAAI,CAAC8I,EAArB,CAAlD,KAAgF,CAAC9I,IAAI,CAAC0vB,WAAN,IAAqBrd,KAAK,CAAC2X,KAAN,KAAgB3X,KAAK,CAACwwB,SAA3H,CAAJ,EAA4I;AAC1I;AACA;AACA;AACA,UAAI0K,uBAAuB,GAAGl7B,KAAK,CAACwY,OAAN,GAAgBxY,KAAK,CAACi1B,QAApD;AACAj4C,sBAAM,CAACC,GAAP,0CAAkDuH,IAAI,CAAC6J,KAAL,CAAW2R,KAAK,CAAC+xB,MAAN,GAAe/xB,KAAK,CAACi1B,QAAhC,CAAlD,SAA+FzwC,IAAI,CAAC6J,KAAL,CAAW2R,KAAK,CAAC2X,KAAN,GAAc3X,KAAK,CAAC+xB,MAA/B,CAA/F,SAAyIvtC,IAAI,CAAC6J,KAAL,CAAW2R,KAAK,CAACwY,OAAN,GAAgBxY,KAAK,CAAC2X,KAAjC,CAAzI,SAAoLnzB,IAAI,CAAC6J,KAAL,CAAW2R,KAAK,CAACwwB,SAAN,GAAkBxwB,KAAK,CAACwY,OAAnC,CAApL,SAAmOh0B,IAAI,CAAC6J,KAAL,CAAW,IAAI2R,KAAK,CAACga,MAAV,IAAoBha,KAAK,CAACwwB,SAAN,GAAkBxwB,KAAK,CAACi1B,QAA5C,CAAX,CAAnO;;AACA,WAAKwE,YAAL,CAAkBx4C,MAAlB,CAAyBi6C,uBAAzB,EAAkDl7B,KAAK,CAACga,MAAxD;;AACAha,WAAK,CAACm7B,UAAN,GAAmB,KAAK1B,YAAL,CAAkBpB,WAAlB,EAAnB,CAP0I,CAQ1I;;AACA,UAAI1qC,IAAI,CAAC0vB,WAAT,EAAsB;AACpB,aAAK+d,gBAAL,GAAwBF,uBAAuB,GAAG,IAAlD;AACD,OAFD,MAEO;AACL,aAAKE,gBAAL,GAAwB,CAAxB;AACD;AACF;AACF,G;;SAEDjkB,O,GAAA,iBAASvgC,IAAT,EAAe;AACb;AACA,YAAQA,IAAI,CAACsH,OAAb;AACA,WAAKC,sBAAY,CAACo8B,eAAlB;AACA,WAAKp8B,sBAAY,CAACq8B,iBAAlB;AACE,aAAK4Y,UAAL;AACA;;AACF;AACE;AANF;AAQD,G;;SAEDA,U,GAAA,sBAAc;AACZzK,iBAAa,CAAC,KAAKwK,KAAN,CAAb;AACA,SAAKA,KAAL,GAAa,IAAb;AACD,G,CAED;;;SAkEAkI,c,GAAA,wBAAgB9K,YAAhB,EAA8B+K,mBAA9B,EAAmDC,SAAnD,EAA8DnB,YAA9D,EAA4EoB,YAA5E,EAA0FC,gBAA1F,EAA4GC,QAA5G,EAAsHC,UAAtH,EAAkI1qB,MAAlI,EAA0I;AACxI,SAAK,IAAI34B,CAAC,GAAGkjD,YAAb,EAA2BljD,CAAC,IAAI8hD,YAAhC,EAA8C9hD,CAAC,EAA/C,EAAmD;AACjD,UAAI6zC,SAAS,GAAGlb,MAAM,CAAC34B,CAAD,CAAtB;;AAEA,UAAI,CAAC6zC,SAAL,EAAgB;AACd;AACD;;AAED,UAAM7T,YAAY,GAAG6T,SAAS,CAACjuC,OAA/B;AACA,UAAM09C,WAAW,GAAGtjB,YAAY,GAAGA,YAAY,CAACvK,aAAb,GAA6BuK,YAAY,CAAC9K,SAAb,CAAuB7zB,MAAvD,GAAgE2hD,mBAAhG;AACA,UAAM7tB,IAAI,GAAG6K,YAAY,GAAGA,YAAY,CAAC7K,IAAhB,GAAuB,KAAhD;AAEA,UAAIouB,UAAU,SAAd,CAXiD,CAYjD;AACA;AACA;AACA;AACA;AACA;;AACA,UAAIvjD,CAAC,IAAIi4C,YAAT,EAAuB;AACrBsL,kBAAU,GAAGH,QAAQ,GAAGH,SAAxB;AACD,OAFD,MAEO;AACLM,kBAAU,GAAGF,UAAU,GAAGJ,SAA1B;AACD;;AAED,UAAM/pB,OAAO,GAAGP,MAAM,CAAC34B,CAAD,CAAN,CAAUmiD,WAAV,GAAwBj2C,IAAI,CAAC+U,GAAL,CAAS0X,MAAM,CAAC34B,CAAD,CAAN,CAAUmiD,WAAnB,EAAgCxpB,MAAM,CAAC34B,CAAD,CAAN,CAAUk5B,OAA1C,CAAxB,GAA6EP,MAAM,CAAC34B,CAAD,CAAN,CAAUk5B,OAAvG;AACA,UAAMsqB,aAAa,GAAGtqB,OAAO,GAAGoqB,WAAV,GAAwBC,UAA9C;AAEA7+C,sBAAM,CAAC6hB,KAAP,2EAAqFvmB,CAArF,SAA0FkM,IAAI,CAAC6J,KAAL,CAAWwtC,UAAX,CAA1F,SAAoHrqB,OAApH,SAA+HoqB,WAA/H,SAA8IH,gBAA9I,SAAkKK,aAAlK,EA3BiD,CA4BjD;;AACA,UAAID,UAAU,GAAGrqB,OAAb,MACJ;AACA;AACA;AACG,OAACsqB,aAAD,IAAmBruB,IAAI,IAAI,CAAC,KAAK2tB,gBAAjC,IAAsDU,aAAa,GAAGL,gBAJrE,CAAJ,EAI4F;AAC1F;AACA,eAAOnjD,CAAP;AACD;AACF,KAtCuI,CAuCxI;;;AACA,WAAO,CAAC,CAAR;AACD,G;;;;wBA1GoB;AACnB,UAAMyjD,eAAe,GAAG,KAAKvC,cAA7B;AACA,UAAMwC,WAAW,GAAG,KAAKvC,YAAzB,CAFmB,CAGnB;;AACA,UAAIsC,eAAe,KAAK,CAAC,CAArB,KAA2B,CAACC,WAAD,IAAgB,CAACA,WAAW,CAAC3C,WAAZ,EAA5C,CAAJ,EAA4E;AAC1E,eAAO0C,eAAP;AACD,OANkB,CAQnB;;;AACA,UAAIE,gBAAgB,GAAG,KAAKC,iBAA5B,CATmB,CAUnB;;AACA,UAAIH,eAAe,KAAK,CAAC,CAAzB,EAA4B;AAC1BE,wBAAgB,GAAGz3C,IAAI,CAACC,GAAL,CAASs3C,eAAT,EAA0BE,gBAA1B,CAAnB;AACD;;AAED,aAAOA,gBAAP;AACD,K;sBA4FkB/M,S,EAAW;AAC5B,WAAKsK,cAAL,GAAsBtK,SAAtB;AACD;;;wBA7FwB;AACvB,UAAIzlB,GAAG,GAAG,KAAKA,GAAf;AADuB,UAEf+xB,YAFe,GAEgC/xB,GAFhC,CAEf+xB,YAFe;AAAA,UAEDvqB,MAFC,GAEgCxH,GAFhC,CAEDwH,MAFC;AAAA,UAEO30B,MAFP,GAEgCmtB,GAFhC,CAEOntB,MAFP;AAAA,UAEe89C,YAFf,GAEgC3wB,GAFhC,CAEe2wB,YAFf;AAGvB,UAAM/wC,KAAK,GAAGogB,GAAG,CAACsI,KAAlB;AACA,UAAMwe,YAAY,GAAG,KAAKgJ,mBAA1B;AACA,UAAM+B,mBAAmB,GAAG,KAAKpR,WAAL,GAAmB,KAAKA,WAAL,CAAiB3oC,QAApC,GAA+C,CAA3E;AACA,UAAM0P,GAAG,GAAI5H,KAAK,GAAGA,KAAK,CAAC+1B,WAAT,GAAuB,CAAzC,CANuB,CAQvB;AACA;;AACA,UAAM4H,YAAY,GAAK39B,KAAK,IAAKA,KAAK,CAAC29B,YAAN,KAAuB,CAAlC,GAAwCxiC,IAAI,CAAC4N,GAAL,CAAS/I,KAAK,CAAC29B,YAAf,CAAxC,GAAuE,GAA7F;AACA,UAAMmV,KAAK,GAAG,KAAK1C,YAAL,GAAoB,KAAKA,YAAL,CAAkBpB,WAAlB,EAApB,GAAsD/7C,MAAM,CAAC69C,sBAA3E,CAXuB,CAYvB;;AACA,UAAMS,qBAAqB,GAAG,CAACzc,YAAY,CAACE,UAAb,CAAwBh1B,KAAxB,EAA+B4H,GAA/B,EAAoC3U,MAAM,CAACygB,aAA3C,EAA0D2B,GAA1D,GAAgEzN,GAAjE,IAAwE+1B,YAAtG,CAbuB,CAevB;;AACA,UAAIoV,SAAS,GAAG,KAAKf,cAAL,CAAoB9K,YAApB,EAAkC+K,mBAAlC,EAAuDa,KAAvD,EAA8D/B,YAA9D,EAA4EoB,YAA5E,EAA0FZ,qBAA1F,EAAiHt+C,MAAM,CAAC+/C,kBAAxH,EAA4I//C,MAAM,CAACggD,oBAAnJ,EAAyKrrB,MAAzK,CAAhB;;AACA,UAAImrB,SAAS,IAAI,CAAjB,EAAoB;AAClB,eAAOA,SAAP;AACD,OAFD,MAEO;AACLp/C,wBAAM,CAAC6hB,KAAP,CAAa,6FAAb,EADK,CAEL;AACA;;AACA,YAAI09B,kBAAkB,GAAGjB,mBAAmB,GAAG92C,IAAI,CAACC,GAAL,CAAS62C,mBAAT,EAA8Bh/C,MAAM,CAACigD,kBAArC,CAAH,GAA8DjgD,MAAM,CAACigD,kBAAjH;AACA,YAAIb,QAAQ,GAAGp/C,MAAM,CAAC+/C,kBAAtB;AACA,YAAIV,UAAU,GAAGr/C,MAAM,CAACggD,oBAAxB;;AAEA,YAAI1B,qBAAqB,KAAK,CAA9B,EAAiC;AAC/B;AACA,cAAIQ,gBAAgB,GAAG,KAAKA,gBAA5B;;AACA,cAAIA,gBAAJ,EAAsB;AACpB;AACA;AACA;AACA;AACA;AACA,gBAAMoB,eAAe,GAAGlB,mBAAmB,GAAG92C,IAAI,CAACC,GAAL,CAAS62C,mBAAT,EAA8Bh/C,MAAM,CAACkgD,eAArC,CAAH,GAA2DlgD,MAAM,CAACkgD,eAA7G;AACAD,8BAAkB,GAAGC,eAAe,GAAGpB,gBAAvC;AACAp+C,4BAAM,CAAC6hB,KAAP,wBAAkCra,IAAI,CAAC6J,KAAL,CAAW,OAAO+sC,gBAAlB,CAAlC,oDAAoH52C,IAAI,CAAC6J,KAAL,CAAW,OAAOkuC,kBAAlB,CAApH,UARoB,CASpB;;AACAb,oBAAQ,GAAGC,UAAU,GAAG,CAAxB;AACD;AACF;;AACDS,iBAAS,GAAG,KAAKf,cAAL,CAAoB9K,YAApB,EAAkC+K,mBAAlC,EAAuDa,KAAvD,EAA8D/B,YAA9D,EAA4EoB,YAA5E,EAA0FZ,qBAAqB,GAAG2B,kBAAlH,EAAsIb,QAAtI,EAAgJC,UAAhJ,EAA4J1qB,MAA5J,CAAZ;AACA,eAAOzsB,IAAI,CAAC+U,GAAL,CAAS6iC,SAAT,EAAoB,CAApB,CAAP;AACD;AACF;;;;EA5QyB5yB,a;;AA8Tb8vB,+EAAf,E;;;;;;AC7UA;;;AAIA;AACA;AACA;AACA;AACA;AAoBA,IAAM1pB,6BAAW,GAAGyP,cAAc,EAAlC;;IAEMod,kC;;;;;AACJ;AACA;AAEA;AAEA;AAEA;AAEA;AAGA;AAGA;AAKA;AAGA;AAGA;AAGA;AAGA;AAGA;AAKA;AAGA;AAUA,4BAAahzB,GAAb,EAAuB;AAAA;;AACrB,qCAAMA,GAAN,EACEizB,iBAAM,CAACh2B,eADT,EAEEg2B,iBAAM,CAAC91B,eAFT,EAGE81B,iBAAM,CAACl1B,eAHT,EAIEk1B,iBAAM,CAAC51B,YAJT,EAKE41B,iBAAM,CAACz1B,gBALT,EAMEy1B,iBAAM,CAAC31B,aANT,EAOE21B,iBAAM,CAACv1B,UAPT,EAQEu1B,iBAAM,CAACt1B,eART,EASEs1B,iBAAM,CAAC50B,iBATT,EAUE40B,iBAAM,CAAC70B,aAVT;AADqB,UAnDf80B,WAmDe,GAnDc,IAmDd;AAAA,UAjDfC,cAiDe,GAjDiB,IAiDjB;AAAA,UA/CfC,oBA+Ce,GA/CgB,EA+ChB;AAAA,UA7CfC,KA6Ce,GA7CS,IA6CT;AAAA,UA3CfC,UA2Ce,GA3Ca,IA2Cb;AAAA,UAxCfC,WAwCe,GAxCQ,KAwCR;AAAA,UArCfC,SAqCe,GArCM,KAqCN;AAAA,UAnCf3gD,MAmCe;AAAA,UAhChB4gD,oBAgCgB;AAAA,UA7BhBC,yBA6BgB,GA7BoB,CA6BpB;AAAA,UA1BfC,uBA0Be,GA1BmB,CA0BnB;AAAA,UAvBhBrrB,KAuBgB,GAvBiB,IAuBjB;AAAA,UApBhBslB,WAoBgB,GApBkB,IAoBlB;AAAA,UAjBhBgG,QAiBgB,GAjBM,EAiBN;AAAA,UAfhBnM,MAegB;AAAA,UAZhBoM,SAYgB,GAZK,KAYL;AAAA,UAThB5M,QASgB,GATG,CASH;AAAA,UARhB6M,WAQgB,GARM,CAQN;AAAA,UAPhBC,kBAOgB,GAPa,CAOb;AAAA,UALhB7mC,MAKgB,GALG,EAKH;AAAA,UAJhB8mC,aAIgB,GAJU,EAIV;AAAA,UAHhBnG,YAGgB,GAHc,EAGd;AAAA,UAFhBoG,UAEgB,GAFuB,EAEvB;;AAAA,UAwJfC,kBAxJe,GAwJM,YAAM;AACjC3gD,sBAAM,CAACC,GAAP,CAAW,qBAAX;;AACA,YAAKwsB,GAAL,CAAS7rB,OAAT,CAAiB8+C,iBAAM,CAAC/1B,cAAxB,EAAwC;AAAEoL,aAAK,EAAE,MAAKA;AAAd,OAAxC;;AACA,UAAIslB,WAAW,GAAG,MAAKA,WAAvB;;AACA,UAAIA,WAAJ,EAAiB;AACf;AACAA,mBAAW,CAAC7W,mBAAZ,CAAgC,YAAhC,EAA8C,MAAKmd,kBAAnD;AACD;;AACD,YAAKC,kBAAL;AACD,KAjKsB;;AAAA,UAmKfC,mBAnKe,GAmKO,YAAM;AAClC7gD,sBAAM,CAACC,GAAP,CAAW,qBAAX;AACD,KArKsB;;AAAA,UAuKf6gD,mBAvKe,GAuKO,YAAM;AAClC9gD,sBAAM,CAACC,GAAP,CAAW,oBAAX;AACD,KAzKsB;;AAAA,UA2Kf8gD,cA3Ke,GA2KE,YAAM;AAC7B;AACA,UAAI,MAAKb,oBAAL,IAA6B,MAAK5F,YAAL,CAAkBhuC,KAAnD,EAA0D;AACxD,YAAI00C,WAAW,GAAG,MAAK1G,YAAL,CAAkBhuC,KAApC;AAEAtM,wBAAM,CAACgN,IAAP,8CAAuDg0C,WAAW,CAACC,eAAnE,YAAyF,MAAKf,oBAA9F;AACAc,mBAAW,CAACC,eAAZ,GAA8B,MAAKf,oBAAnC;AACA,eAAO,MAAKA,oBAAZ;AACD;;AAED,UAAI,MAAKF,WAAT,EAAsB;AACpB,cAAKkB,OAAL;AACD;;AAED,UAAI,MAAKjB,SAAT,EAAoB;AAClB,cAAKkB,QAAL;AACD;;AAED,YAAKb,SAAL,GAAiB,KAAjB;AACA,UAAIpM,MAAM,GAAG,MAAKA,MAAlB,CAnB6B,CAoB7B;;AACA,UAAIW,OAAO,GAAG,MAAKwL,QAAL,CAAcxhC,MAAd,CAAqB,UAACuiC,OAAD,EAAUC,OAAV;AAAA,eAAuBA,OAAO,CAACnN,MAAR,KAAmBA,MAApB,GAA8BkN,OAAO,GAAG,CAAxC,GAA4CA,OAAlE;AAAA,OAArB,EAAgG,CAAhG,CAAd,CArB6B,CAuB7B;;;AACA,UAAM5iB,UAAyD,GAAG,EAAlE;AACA,UAAM8iB,KAAK,GAAG,MAAKhH,YAAnB;;AACA,WAAK,IAAIl4B,UAAT,IAAuBk/B,KAAvB,EAA8B;AAC5B,YAAMC,EAAE,GAAGD,KAAK,CAACl/B,UAAD,CAAhB;;AACA,YAAI,CAACm/B,EAAL,EAAS;AACP,gBAAM1kD,KAAK,iEAA+DulB,UAA/D,6DAAX;AACD;;AACDoc,kBAAU,CAACpc,UAAD,CAAV,GAA6Cm/B,EAAE,CAAC1iB,QAAhD;AACD;;AAED,YAAKpS,GAAL,CAAS7rB,OAAT,CAAiB8+C,iBAAM,CAACx1B,eAAxB,EAAyC;AAAEgqB,cAAM,EAANA,MAAF;AAAUW,eAAO,EAAPA,OAAV;AAAmBrW,kBAAU,EAAVA;AAAnB,OAAzC,EAlC6B,CAmC7B;;;AACA,UAAI,CAAC,MAAKwhB,WAAV,EAAuB;AACrB,cAAKwB,WAAL;AACD;;AAED,YAAKC,0BAAL,GAxC6B,CA0C7B;;;AACA,UAAI5M,OAAO,KAAK,CAAhB,EAAmB;AACjB,cAAK6M,mBAAL;AACD;AACF,KAzNsB;;AAAA,UA2NfC,gBA3Ne,GA2NI,UAACh+B,KAAD,EAAkB;AAC3C3jB,sBAAM,CAACU,KAAP,CAAa,qBAAb,EAAoCijB,KAApC,EAD2C,CAE3C;AACA;AACA;;AACA,YAAK8I,GAAL,CAAS7rB,OAAT,CAAiB8+C,iBAAM,CAAC5+C,KAAxB,EAA+B;AAAEC,YAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,eAAO,EAAEC,sBAAY,CAACygD,sBAAtD;AAA8EvgD,aAAK,EAAE;AAArF,OAA/B,EAL2C,CAM3C;;AACD,KAlOsB;;AAarB,UAAK/B,MAAL,GAAcmtB,GAAG,CAACntB,MAAlB;AAbqB;AActB;;;;SAEDN,O,GAAA,mBAAW;AACTwtB,iBAAY,CAACrT,SAAb,CAAuBna,OAAvB,CAA+Boa,IAA/B,CAAoC,IAApC;AACD,G;;SAEDyoC,iB,GAAA,2BAAmBjoD,IAAnB,EAAoE;AAClE,QAAImH,IAAI,GAAGnH,IAAI,CAACmH,IAAhB;AACA,QAAIqN,UAAU,GAAG,KAAKuL,MAAL,CAAYrN,KAA7B,CAFkE,CAIlE;AACA;AACA;AACA;AACA;AACA;;AAEA,QAAIvL,IAAI,KAAK,OAAT,IAAoBqN,UAApB,IAAkCA,UAAU,CAAC3J,SAAX,KAAyB,YAA/D,EAA6E;AAAE;AAC7E,UAAIu8C,WAAW,GAAG,KAAK1G,YAAL,CAAkBhuC,KAApC;;AACA,UAAI,CAAC00C,WAAL,EAAkB;AAChB,cAAMnkD,KAAK,CAAC,4DAAD,CAAX;AACD;;AAED,UAAIkiB,KAAK,GAAGvX,IAAI,CAAC4N,GAAL,CAAS4rC,WAAW,CAACC,eAAZ,GAA8BrnD,IAAI,CAACkU,KAA5C,CAAZ,CAN2E,CAQ3E;;AACA,UAAIiR,KAAK,GAAG,GAAZ,EAAiB;AACf,YAAI+iC,QAAQ,GAAGd,WAAW,CAACc,QAA3B;;AAEA,YAAI;AACFd,qBAAW,CAAC9nB,KAAZ;AACD,SAFD,CAEE,OAAO34B,GAAP,EAAY;AACZP,0BAAM,CAACgN,IAAP,CAAY,iCAAiCzM,GAA7C;AACD;;AAED,YAAI,CAACuhD,QAAL,EAAe;AACb9hD,0BAAM,CAACgN,IAAP,CAAY,6CAA6Cg0C,WAAW,CAACC,eAAzD,GAA2E,MAA3E,GAAoFrnD,IAAI,CAACkU,KAArG;AACAkzC,qBAAW,CAACC,eAAZ,GAA8BrnD,IAAI,CAACkU,KAAnC;AACD,SAHD,MAGO;AACL,eAAKoyC,oBAAL,GAA4BtmD,IAAI,CAACkU,KAAjC;AACD;AACF;AACF;AACF,G;;SAED+kC,gB,GAAA,0BAAkBj5C,IAAlB,EAA+C;AAC7C;AACA;AACA;AACA;AACA,SAAKumD,yBAAL,GAAiC,KAAKC,uBAAL,GAA+BxmD,IAAI,CAAC20C,QAAL,GAAgB,CAAhB,GAAoB,CAApF;AACAvuC,oBAAM,CAACC,GAAP,CAAc,KAAKkgD,yBAAnB;AACD,G;;SAED4B,gB,GAAA,0BAAkBnoD,IAAlB,EAAqD;AACnD,QAAIm7B,KAAK,GAAG,KAAKA,KAAL,GAAan7B,IAAI,CAACm7B,KAA9B;;AACA,QAAIA,KAAK,IAAInC,6BAAb,EAA0B;AACxB;AACA,UAAIovB,EAAE,GAAG,KAAK3H,WAAL,GAAmB,IAAIznB,6BAAJ,EAA5B,CAFwB,CAGxB;;AACAovB,QAAE,CAAC99B,gBAAH,CAAoB,YAApB,EAAkC,KAAKy8B,kBAAvC;AACAqB,QAAE,CAAC99B,gBAAH,CAAoB,aAApB,EAAmC,KAAK48B,mBAAxC;AACAkB,QAAE,CAAC99B,gBAAH,CAAoB,aAApB,EAAmC,KAAK28B,mBAAxC,EANwB,CAOxB;;AACA9rB,WAAK,CAACktB,GAAN,GAAY7qB,MAAM,CAACiM,GAAP,CAAW6e,eAAX,CAA2BF,EAA3B,CAAZ,CARwB,CASxB;;AACA,WAAKjC,UAAL,GAAkBhrB,KAAK,CAACktB,GAAxB;AACD;AACF,G;;SAEDrP,gB,GAAA,4BAAoB;AAClB5yC,oBAAM,CAACC,GAAP,CAAW,wBAAX;AACA,QAAI+hD,EAAE,GAAG,KAAK3H,WAAd;;AACA,QAAI2H,EAAJ,EAAQ;AACN,UAAIA,EAAE,CAAC3R,UAAH,KAAkB,MAAtB,EAA8B;AAC5B,YAAI;AACF;AACA;AACA;AACA;AACA2R,YAAE,CAACG,WAAH;AACD,SAND,CAME,OAAO5hD,GAAP,EAAY;AACZP,0BAAM,CAACgN,IAAP,uBAAgCzM,GAAG,CAACI,OAApC;AACD;AACF;;AACDqhD,QAAE,CAACxe,mBAAH,CAAuB,YAAvB,EAAqC,KAAKmd,kBAA1C;AACAqB,QAAE,CAACxe,mBAAH,CAAuB,aAAvB,EAAsC,KAAKsd,mBAA3C;AACAkB,QAAE,CAACxe,mBAAH,CAAuB,aAAvB,EAAsC,KAAKqd,mBAA3C,EAdM,CAgBN;AACA;;AACA,UAAI,KAAK9rB,KAAT,EAAgB;AACd,YAAI,KAAKgrB,UAAT,EAAqB;AACnB3oB,gBAAM,CAACiM,GAAP,CAAWC,eAAX,CAA2B,KAAKyc,UAAhC;AACD,SAHa,CAKd;AACA;;;AACA,YAAI,KAAKhrB,KAAL,CAAWktB,GAAX,KAAmB,KAAKlC,UAA5B,EAAwC;AACtC,eAAKhrB,KAAL,CAAWqtB,eAAX,CAA2B,KAA3B;AACA,eAAKrtB,KAAL,CAAW2D,IAAX;AACD,SAHD,MAGO;AACL14B,0BAAM,CAACgN,IAAP,CAAY,uDAAZ;AACD;AACF;;AAED,WAAKqtC,WAAL,GAAmB,IAAnB;AACA,WAAKtlB,KAAL,GAAa,IAAb;AACA,WAAKgrB,UAAL,GAAkB,IAAlB;AACA,WAAKI,yBAAL,GAAiC,KAAKC,uBAAtC;AACA,WAAKK,aAAL,GAAqB,EAArB;AACA,WAAK9mC,MAAL,GAAc,EAAd;AACA,WAAK2gC,YAAL,GAAoB,EAApB;AACA,WAAKoG,UAAL,GAAkB,EAAlB;AACA,WAAKL,QAAL,GAAgB,EAAhB;AACA,WAAK3M,QAAL,GAAgB,CAAhB;AACD;;AAED,SAAKjnB,GAAL,CAAS7rB,OAAT,CAAiB8+C,iBAAM,CAAC71B,cAAxB;AACD,G;;SAED+2B,kB,GAAA,8BAAsB;AAAA,QACdT,yBADc,GAC+B,IAD/B,CACdA,yBADc;AAAA,QACaM,aADb,GAC+B,IAD/B,CACaA,aADb,EAGpB;AACA;AACA;AACA;;AACA,QAAM4B,kBAAkB,GAAG3kC,MAAM,CAACC,IAAP,CAAY8iC,aAAZ,EAA2B9jD,MAAtD;;AACA,QAAK0lD,kBAAkB,IAAI,CAAClC,yBAAxB,IAAsDkC,kBAAkB,KAAK,CAAjF,EAAoF;AAClF;AACA,WAAKC,mBAAL,CAAyB7B,aAAzB;AACA,WAAKA,aAAL,GAAqB,EAArB,CAHkF,CAIlF;;AACA,WAAKe,WAAL;AACD;AACF,G;;SA8EDe,a,GAAA,yBAAiB;AACf,QAAMjI,YAAY,GAAG,KAAKA,YAA1B;;AACA,SAAK,IAAIv5C,IAAT,IAAiBu5C,YAAjB,EAA+B;AAC7B,UAAMiH,EAAE,GAAGjH,YAAY,CAACv5C,IAAD,CAAvB;;AACA,UAAI;AACF,YAAIwgD,EAAJ,EAAQ;AACN,cAAI,KAAKlH,WAAT,EAAsB;AACpB,iBAAKA,WAAL,CAAiBmI,kBAAjB,CAAoCjB,EAApC;AACD;;AACDA,YAAE,CAAC/d,mBAAH,CAAuB,WAAvB,EAAoC,KAAKud,cAAzC;AACAQ,YAAE,CAAC/d,mBAAH,CAAuB,OAAvB,EAAgC,KAAKme,gBAArC;AACD;AACF,OARD,CAQE,OAAOphD,GAAP,EAAY,CACb;AACF;;AACD,SAAK+5C,YAAL,GAAoB,EAApB;AACA,SAAKoG,UAAL,GAAkB,EAAlB;AACA,SAAKL,QAAL,GAAgB,EAAhB;AACA,SAAK3M,QAAL,GAAgB,CAAhB;AACD,G;;SAED+O,c,GAAA,wBAAgB9oC,MAAhB,EAAkC;AAAA;;AAChC;AACA;AACA,QAAI+D,MAAM,CAACC,IAAP,CAAY,KAAK28B,YAAjB,EAA+B39C,MAAnC,EAA2C;AACzC;AACD;;AAED+gB,UAAM,CAACC,IAAP,CAAYhE,MAAZ,EAAoBvH,OAApB,CAA4B,UAAA2hC,SAAS,EAAI;AACvC,YAAI,CAAC0M,aAAL,CAAmB1M,SAAnB,IAAgCp6B,MAAM,CAACo6B,SAAD,CAAtC;AACD,KAFD;AAIA,SAAKoM,yBAAL,GAAiC34C,IAAI,CAAC+U,GAAL,CAAS,KAAK4jC,yBAAL,GAAiC,CAA1C,EAA6C,CAA7C,CAAjC;;AACA,QAAI,KAAK9F,WAAL,IAAoB,KAAKA,WAAL,CAAiBhK,UAAjB,KAAgC,MAAxD,EAAgE;AAC9D,WAAKuQ,kBAAL;AACD;AACF,G;;SAED0B,mB,GAAA,6BAAqB3oC,MAArB,EAAuC;AAAA,QAC7B2gC,YAD6B,GACC,IADD,CAC7BA,YAD6B;AAAA,QACfD,WADe,GACC,IADD,CACfA,WADe;;AAErC,QAAI,CAACA,WAAL,EAAkB;AAChB,YAAMx9C,KAAK,CAAC,sDAAD,CAAX;AACD;;AAED,SAAK,IAAIk3C,SAAT,IAAsBp6B,MAAtB,EAA8B;AAC5B,UAAI,CAAC2gC,YAAY,CAACvG,SAAD,CAAjB,EAA8B;AAC5B,YAAI7wC,KAAK,GAAGyW,MAAM,CAACo6B,SAAD,CAAlB;;AACA,YAAI,CAAC7wC,KAAL,EAAY;AACV,gBAAMrG,KAAK,qCAAmCk3C,SAAnC,8BAAX;AACD,SAJ2B,CAK5B;;;AACA,YAAIvxC,KAAK,GAAGU,KAAK,CAAC+wC,UAAN,IAAoB/wC,KAAK,CAACV,KAAtC;AACA,YAAIkgD,QAAQ,GAAMx/C,KAAK,CAACuB,SAAZ,gBAAgCjC,KAA5C;AACAxC,wBAAM,CAACC,GAAP,4BAAoCyiD,QAApC;;AACA,YAAI;AACF,cAAInB,EAAE,GAAGjH,YAAY,CAACvG,SAAD,CAAZ,GAA0BsG,WAAW,CAACsI,eAAZ,CAA4BD,QAA5B,CAAnC;AACAnB,YAAE,CAACr9B,gBAAH,CAAoB,WAApB,EAAiC,KAAK68B,cAAtC;AACAQ,YAAE,CAACr9B,gBAAH,CAAoB,OAApB,EAA6B,KAAKy9B,gBAAlC;AACA,eAAKhoC,MAAL,CAAYo6B,SAAZ,IAAyB;AACvB55C,kBAAM,EAAEonD,EADe;AAEvB/+C,iBAAK,EAAEA,KAFgB;AAGvBkC,cAAE,EAAExB,KAAK,CAACwB,EAHa;AAIvBD,qBAAS,EAAEvB,KAAK,CAACuB,SAJM;AAKvBwvC,sBAAU,EAAE/wC,KAAK,CAAC+wC;AALK,WAAzB;AAOD,SAXD,CAWE,OAAO1zC,GAAP,EAAY;AACZP,0BAAM,CAACU,KAAP,6CAAuDH,GAAG,CAACI,OAA3D;AACA,eAAK8rB,GAAL,CAAS7rB,OAAT,CAAiB8+C,iBAAM,CAAC5+C,KAAxB,EAA+B;AAAEC,gBAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,mBAAO,EAAEC,sBAAY,CAACyhD,sBAAtD;AAA8EvhD,iBAAK,EAAE,KAArF;AAA4Fd,eAAG,EAAEA,GAAjG;AAAsGmiD,oBAAQ,EAAEA;AAAhH,WAA/B;AACD;AACF;AACF;;AACD,SAAKj2B,GAAL,CAAS7rB,OAAT,CAAiB8+C,iBAAM,CAAC11B,cAAxB,EAAwC;AAAErQ,YAAM,EAAE,KAAKA;AAAf,KAAxC;AACD,G;;SAEDkpC,iB,GAAA,2BAAmBjpD,IAAnB,EAAkC;AAChC,QAAI,CAAC,KAAKomD,WAAV,EAAuB;AACrB,UAAI,CAAC,KAAKK,QAAV,EAAoB;AAClB,aAAKA,QAAL,GAAgB,CAAEzmD,IAAF,CAAhB;AACD,OAFD,MAEO;AACL,aAAKymD,QAAL,CAAcr8C,IAAd,CAAmBpK,IAAnB;AACD;;AAED,WAAK4nD,WAAL;AACD;AACF,G,CAED;AACA;;;SACAsB,W,GAAA,qBAAalpD,IAAb,EAAgD;AAC9C,SAAK,IAAMmH,IAAX,IAAmB,KAAKu5C,YAAxB,EAAsC;AACpC,UAAI,CAAC1gD,IAAI,CAACmH,IAAN,IAAcnH,IAAI,CAACmH,IAAL,KAAcA,IAAhC,EAAsC;AACpC,YAAMwgD,EAAE,GAAG,KAAKjH,YAAL,CAAkBv5C,IAAlB,CAAX;;AACA,YAAIwgD,EAAE,IAAI,CAACA,EAAE,CAACxX,KAAd,EAAqB;AACnBwX,YAAE,CAACxX,KAAH,GAAW,IAAX;AACA/pC,0BAAM,CAACC,GAAP,CAAcc,IAAd;AACD;AACF;AACF;;AAED,SAAKogD,QAAL;AACD,G,CAED;;;SACAA,Q,GAAA,oBAAY;AAAA,QACF7G,YADE,GAC4B,IAD5B,CACFA,YADE;AAAA,QACYD,WADZ,GAC4B,IAD5B,CACYA,WADZ;;AAEV,QAAI,CAACA,WAAD,IAAgBA,WAAW,CAAChK,UAAZ,KAA2B,MAA/C,EAAuD;AACrD,WAAK4P,SAAL,GAAiB,KAAjB;AACA;AACD;;AAED,SAAK,IAAIl/C,IAAT,IAAiBu5C,YAAjB,EAA+B;AAC7B,UAAMiH,EAAE,GAAGjH,YAAY,CAACv5C,IAAD,CAAvB;AACA,UAAI,CAACwgD,EAAL,EAAS;;AAET,UAAI,CAACA,EAAE,CAACxX,KAAR,EAAe;AACb;AACD;;AAED,UAAIwX,EAAE,CAACO,QAAP,EAAiB;AACf,aAAK7B,SAAL,GAAiB,IAAjB;AACA;AACD;AACF;;AAEDjgD,oBAAM,CAACC,GAAP,CAAW,6FAAX,EArBU,CAsBV;;AACA,QAAI;AACFo6C,iBAAW,CAAC8H,WAAZ;AACD,KAFD,CAEE,OAAOxiD,CAAP,EAAU;AACVK,sBAAM,CAACgN,IAAP,CAAY,mDAAZ;AACD;;AACD,SAAKizC,SAAL,GAAiB,KAAjB;AACD,G;;SAED8C,gB,GAAA,0BAAkBnpD,IAAlB,EAA6F;AAC3F,QAAIA,IAAI,CAACmH,IAAT,EAAe;AACb,WAAK2/C,UAAL,CAAgB18C,IAAhB,CAAqB;AAAE8J,aAAK,EAAElU,IAAI,CAACsb,WAAd;AAA2BwM,WAAG,EAAE9nB,IAAI,CAACw4C,SAArC;AAAgDrxC,YAAI,EAAEnH,IAAI,CAACmH;AAA3D,OAArB;AACD,KAFD,MAEO;AACL,WAAK2/C,UAAL,CAAgB18C,IAAhB,CAAqB;AAAE8J,aAAK,EAAElU,IAAI,CAACsb,WAAd;AAA2BwM,WAAG,EAAE9nB,IAAI,CAACw4C,SAArC;AAAgDrxC,YAAI,EAAE;AAAtD,OAArB;AACA,WAAK2/C,UAAL,CAAgB18C,IAAhB,CAAqB;AAAE8J,aAAK,EAAElU,IAAI,CAACsb,WAAd;AAA2BwM,WAAG,EAAE9nB,IAAI,CAACw4C,SAArC;AAAgDrxC,YAAI,EAAE;AAAtD,OAArB;AACD,KAN0F,CAQ3F;;;AACA,SAAKy/C,kBAAL,GAA0B,CAA1B;AACA,SAAKU,OAAL;AACD,G;;SAEDQ,mB,GAAA,+BAAuB;AACrB;AACA,QAAI,CAAC,KAAK5B,KAAV,EAAiB;AACf;AACD;;AAED,QAAMkD,oBAAoB,GAAG,KAAK1jD,MAAL,CAAY0jD,oBAAzC;;AACA,QAAI,CAAC35B,QAAQ,CAAC25B,oBAAD,CAAT,IAAmCA,oBAAoB,GAAG,CAA9D,EAAiE;AAC/D;AACD;;AAED,QAAI,CAAC,KAAKjuB,KAAV,EAAiB;AACf/0B,sBAAM,CAACU,KAAP,CAAa,oDAAb;AACA;AACD;;AAED,QAAM0hC,WAAW,GAAG,KAAKrN,KAAL,CAAWqN,WAA/B;AACA,QAAMkY,YAAY,GAAG,KAAKA,YAA1B;AACA,QAAM2I,WAAW,GAAGvlC,MAAM,CAACC,IAAP,CAAY28B,YAAZ,CAApB;AACA,QAAM4I,wBAAwB,GAAG9gB,WAAW,GAAG56B,IAAI,CAAC+U,GAAL,CAASymC,oBAAT,EAA+B,KAAKnD,oBAApC,CAA/C;;AAEA,SAAK,IAAI/9B,KAAK,GAAGmhC,WAAW,CAACtmD,MAAZ,GAAqB,CAAtC,EAAyCmlB,KAAK,IAAI,CAAlD,EAAqDA,KAAK,EAA1D,EAA8D;AAC5D,UAAMqhC,UAAU,GAAGF,WAAW,CAACnhC,KAAD,CAA9B;AACA,UAAMy/B,EAAE,GAAGjH,YAAY,CAAC6I,UAAD,CAAvB;;AACA,UAAI5B,EAAJ,EAAQ;AACN,YAAM1iB,QAAQ,GAAG0iB,EAAE,CAAC1iB,QAApB,CADM,CAEN;;AACA,YAAIA,QAAQ,CAACliC,MAAT,GAAkB,CAAlB,IAAuBumD,wBAAwB,GAAGrkB,QAAQ,CAAC/wB,KAAT,CAAe,CAAf,CAAtD,EAAyE;AACvE;AACA;AACA;AACA,cAAI,KAAKs1C,iBAAL,CAAuBD,UAAvB,EAAmC5B,EAAnC,EAAuC,CAAvC,EAA0C2B,wBAA1C,CAAJ,EAAyE;AACvE,iBAAKz2B,GAAL,CAAS7rB,OAAT,CAAiB8+C,iBAAM,CAAC30B,wBAAxB,EAAkD;AAAEkX,uBAAS,EAAEihB;AAAb,aAAlD;AACD;AAEF;AACF;AACF;AACF,G;;SAEDG,c,GAAA,8BAA+J;AAAA,QAA7IniD,OAA6I,QAA7IA,OAA6I;;AAC7J,QAAIA,OAAO,CAACsvB,SAAR,CAAkB7zB,MAAlB,GAA2B,CAA/B,EAAkC;AAChC,WAAKijD,cAAL,GAAsB1+C,OAAO,CAAC6vB,aAAR,GAAwB7vB,OAAO,CAACsvB,SAAR,CAAkB,CAAlB,EAAqB1iB,KAAnE;AACA,WAAK+xC,oBAAL,GAA4B3+C,OAAO,CAAC41B,qBAAR,IAAiC51B,OAAO,CAAC4vB,cAAzC,IAA2D,EAAvF;AACA,WAAKgvB,KAAL,GAAa5+C,OAAO,CAACuvB,IAArB;AACA,WAAKgxB,0BAAL;AACD;AACF;AAED;;;;;;;SAKAA,0B,GAAA,sCAA8B;AAAA,QACtBniD,MADsB,GACX,IADW,CACtBA,MADsB;AAE5B,QAAIiF,QAAJ;;AAEA,QAAI,KAAKq7C,cAAL,KAAwB,IAAxB,IACF,CAAC,KAAK7qB,KADJ,IAEF,CAAC,KAAKslB,WAFJ,IAGF,CAAC,KAAKC,YAHJ,IAIF,KAAKvlB,KAAL,CAAWsb,UAAX,KAA0B,CAJxB,IAKF,KAAKgK,WAAL,CAAiBhK,UAAjB,KAAgC,MALlC,EAK0C;AACxC;AACD;;AAED,SAAK,IAAItvC,IAAT,IAAiB,KAAKu5C,YAAtB,EAAoC;AAClC,UAAMiH,EAAE,GAAG,KAAKjH,YAAL,CAAkBv5C,IAAlB,CAAX;;AACA,UAAIwgD,EAAE,IAAIA,EAAE,CAACO,QAAH,KAAgB,IAA1B,EAAgC;AAC9B;AACA;AACD;AACF;;AAEDv9C,YAAQ,GAAG,KAAKwwB,KAAL,CAAWxwB,QAAtB,CArB4B,CAsB5B;;AACA,QAAI,KAAKo7C,WAAL,KAAqB,IAAzB,EAA+B;AAC7B,WAAKA,WAAL,GAAmB,KAAKtF,WAAL,CAAiB91C,QAApC;AACD;;AAED,QAAI,KAAKu7C,KAAL,KAAe,IAAf,IAAuBxgD,MAAM,CAACgkD,oBAAP,KAAgC,IAA3D,EAAiE;AAC/D;AACAtjD,sBAAM,CAACC,GAAP,CAAW,0CAAX;AACA,WAAK0/C,WAAL,GAAmB,KAAKtF,WAAL,CAAiB91C,QAAjB,GAA4BgZ,QAA/C;AACD,KAJD,MAIO,IAAK,KAAKqiC,cAAL,GAAsB,KAAKD,WAA3B,IAA0C,KAAKC,cAAL,GAAsBr7C,QAAjE,IAA8E,CAAC,0CAAgBA,QAAhB,CAAnF,EAA8G;AACnH;AACA;AACA;AACA;AACAvE,sBAAM,CAACC,GAAP,wCAAgD,KAAK2/C,cAAL,CAAoBvZ,OAApB,CAA4B,CAA5B,CAAhD;AACA,WAAKsZ,WAAL,GAAmB,KAAKtF,WAAL,CAAiB91C,QAAjB,GAA4B,KAAKq7C,cAApD;AACD;AACF,G;;SAEDsB,O,GAAA,mBAAW;AACT;AACA,WAAO,KAAKR,UAAL,CAAgB/jD,MAAvB,EAA+B;AAC7B,UAAI0iC,KAAK,GAAG,KAAKqhB,UAAL,CAAgB,CAAhB,CAAZ,CAD6B,CAE7B;;AACA,UAAI,KAAK6C,WAAL,CAAiBlkB,KAAK,CAACvxB,KAAvB,EAA8BuxB,KAAK,CAAC3d,GAApC,EAAyC2d,KAAK,CAACt+B,IAA/C,CAAJ,EAA0D;AACxD;AACA,aAAK2/C,UAAL,CAAgBzrC,KAAhB;AACA,aAAKurC,kBAAL,GAA0B,CAA1B;AACD,OAJD,MAIO;AACL,aAAKR,WAAL,GAAmB,IAAnB,CADK,CAEL;;AACA;AACD;AACF;;AACD,QAAI,KAAKU,UAAL,CAAgB/jD,MAAhB,KAA2B,CAA/B,EAAkC;AAChC;AACA,WAAKqjD,WAAL,GAAmB,KAAnB,CAFgC,CAIhC;;AACA,UAAItM,QAAQ,GAAG,CAAf;AACA,UAAI4G,YAAY,GAAG,KAAKA,YAAxB;;AACA,UAAI;AACF,aAAK,IAAIv5C,IAAT,IAAiBu5C,YAAjB,EAA+B;AAC7B,cAAMiH,EAAE,GAAGjH,YAAY,CAACv5C,IAAD,CAAvB;;AACA,cAAIwgD,EAAJ,EAAQ;AACN7N,oBAAQ,IAAI6N,EAAE,CAAC1iB,QAAH,CAAYliC,MAAxB;AACD;AACF;AACF,OAPD,CAOE,OAAO+D,KAAP,EAAc;AACd;AACA;AACAV,wBAAM,CAACU,KAAP,CAAa,6CAAb;AACD;;AACD,WAAKgzC,QAAL,GAAgBA,QAAhB;AACA,WAAKjnB,GAAL,CAAS7rB,OAAT,CAAiB8+C,iBAAM,CAACr1B,cAAxB;AACD;AACF,G;;SAEDm3B,W,GAAA,uBAAe;AAAA,QACPliD,MADO,GACiC,IADjC,CACPA,MADO;AAAA,QACCmtB,GADD,GACiC,IADjC,CACCA,GADD;AAAA,QACM4zB,QADN,GACiC,IADjC,CACMA,QADN;AAAA,QACgB/F,YADhB,GACiC,IADjC,CACgBA,YADhB;;AAEb,QAAI,CAAC58B,MAAM,CAACC,IAAP,CAAY28B,YAAZ,EAA0B39C,MAA/B,EAAuC;AACrC;AACA;AACD;;AAED,QAAI,CAAC,KAAKo4B,KAAN,IAAe,KAAKA,KAAL,CAAWr0B,KAA9B,EAAqC;AACnC,WAAK2/C,QAAL,GAAgB,EAAhB;AACArgD,sBAAM,CAACU,KAAP,CAAa,0EAAb;AACA;AACD;;AAED,QAAI,KAAK4/C,SAAT,EAAoB;AAClB;AACA;AACD;;AAED,QAAMe,OAAO,GAAGhB,QAAQ,CAACprC,KAAT,EAAhB;;AACA,QAAI,CAACosC,OAAL,EAAc;AAAE;AACd;AACD;;AAED,QAAI;AACF,UAAME,EAAE,GAAGjH,YAAY,CAAC+G,OAAO,CAACtgD,IAAT,CAAvB;;AACA,UAAI,CAACwgD,EAAL,EAAS;AACP;AACA;AACA;AACA,aAAKR,cAAL;;AACA;AACD;;AAED,UAAIQ,EAAE,CAACO,QAAP,EAAiB;AACf;AACAzB,gBAAQ,CAACllB,OAAT,CAAiBkmB,OAAjB;AACA;AACD,OAdC,CAgBF;;;AACAE,QAAE,CAACxX,KAAH,GAAW,KAAX,CAjBE,CAkBF;;AACA,WAAKmK,MAAL,GAAcmN,OAAO,CAACnN,MAAtB;AACAqN,QAAE,CAAC7G,YAAH,CAAgB2G,OAAO,CAACznD,IAAxB;AACA,WAAK2mD,WAAL,GAAmB,CAAnB;AACA,WAAK7M,QAAL;AACA,WAAK4M,SAAL,GAAiB,IAAjB;AACD,KAxBD,CAwBE,OAAO//C,GAAP,EAAY;AACZ;AACAP,sBAAM,CAACU,KAAP,0CAAoDH,GAAG,CAACI,OAAxD;AACA0/C,cAAQ,CAACllB,OAAT,CAAiBkmB,OAAjB;AACA,UAAI19B,KAAK,GAAG;AAAE5iB,YAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCizC,cAAM,EAAEmN,OAAO,CAACnN,MAAhD;AAAwDhzC,eAAO,EAAE,EAAjE;AAAqEG,aAAK,EAAE;AAA5E,OAAZ;;AACA,UAAId,GAAG,CAACijD,IAAJ,KAAa,EAAjB,EAAqB;AACnB;AACA;AACA,aAAKnD,QAAL,GAAgB,EAAhB;AACA18B,aAAK,CAACziB,OAAN,GAAgBC,sBAAY,CAACi0C,iBAA7B;AACD,OALD,MAKO;AACL,aAAKmL,WAAL;AACA58B,aAAK,CAACziB,OAAN,GAAgBC,sBAAY,CAACsiD,mBAA7B;AACA;;;;AAGA,YAAI,KAAKlD,WAAL,GAAmBjhD,MAAM,CAACokD,mBAA9B,EAAmD;AACjD1jD,0BAAM,CAACC,GAAP,WAAmBX,MAAM,CAACokD,mBAA1B;AACA,eAAKrD,QAAL,GAAgB,EAAhB;AACA18B,eAAK,CAACtiB,KAAN,GAAc,IAAd;AACD;AACF;;AACDorB,SAAG,CAAC7rB,OAAJ,CAAY8+C,iBAAM,CAAC5+C,KAAnB,EAA0B6iB,KAA1B;AACD;AACF;AAED;;;;;;;SAKA4/B,W,GAAA,qBAAaruC,WAAb,EAAkCk9B,SAAlC,EAAqDuR,MAArD,EAAwF;AACtF,QAAMrJ,YAAY,GAAG,KAAKA,YAA1B,CADsF,CAEtF;;AACA,QAAI,CAAC58B,MAAM,CAACC,IAAP,CAAY28B,YAAZ,EAA0B39C,MAA/B,EAAuC;AACrC,aAAO,IAAP;AACD;;AAED,QAAIylC,WAAmB,GAAG,MAA1B;;AACA,QAAI,KAAKrN,KAAT,EAAgB;AACdqN,iBAAW,GAAG,KAAKrN,KAAL,CAAWqN,WAAX,CAAuBiE,OAAvB,CAA+B,CAA/B,CAAd;AACD;;AACDrmC,oBAAM,CAACC,GAAP,iCAAyCmiC,WAAzC,SAAwDltB,WAAxD,SAAuEk9B,SAAvE,EAXsF,CAatF;;AACA,QAAI,KAAKoO,kBAAL,IAA2B,KAAK9M,QAApC,EAA8C;AAC5C1zC,sBAAM,CAACgN,IAAP,CAAY,iCAAZ;AACA,aAAO,IAAP;AACD;;AAED,QAAMu0C,EAAE,GAAGjH,YAAY,CAACqJ,MAAD,CAAvB,CAnBsF,CAoBtF;;AACA,QAAIpC,EAAJ,EAAQ;AACNA,QAAE,CAACxX,KAAH,GAAW,KAAX;;AACA,UAAI,CAACwX,EAAE,CAACO,QAAR,EAAkB;AAChB,YAAI,KAAKsB,iBAAL,CAAuBO,MAAvB,EAA+BpC,EAA/B,EAAmCrsC,WAAnC,EAAgDk9B,SAAhD,CAAJ,EAAgE;AAC9D,eAAKoO,kBAAL;AACA,iBAAO,KAAP;AACD;AACF,OALD,MAKO;AACLxgD,wBAAM,CAACgN,IAAP,CAAY,uCAAZ;AACA,eAAO,KAAP;AACD;AACF;;AAEDhN,oBAAM,CAACC,GAAP,CAAW,gBAAX,EAlCsF,CAmCtF;;AACA,WAAO,IAAP;AACD;AAED;;;;;;;;;;;;SAUAmjD,iB,GAAA,2BAAmBriD,IAAnB,EAAiCwgD,EAAjC,EAA2DrsC,WAA3D,EAAgFk9B,SAAhF,EAA4G;AAC1G,QAAI;AACF,WAAK,IAAI92C,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGimD,EAAE,CAAC1iB,QAAH,CAAYliC,MAAhC,EAAwCrB,CAAC,EAAzC,EAA6C;AAC3C,YAAIsoD,QAAQ,GAAGrC,EAAE,CAAC1iB,QAAH,CAAY/wB,KAAZ,CAAkBxS,CAAlB,CAAf;AACA,YAAIuoD,MAAM,GAAGtC,EAAE,CAAC1iB,QAAH,CAAYnd,GAAZ,CAAgBpmB,CAAhB,CAAb;AACA,YAAIwoD,WAAW,GAAGt8C,IAAI,CAAC+U,GAAL,CAASqnC,QAAT,EAAmB1uC,WAAnB,CAAlB;AACA,YAAI6uC,SAAS,GAAGv8C,IAAI,CAACC,GAAL,CAASo8C,MAAT,EAAiBzR,SAAjB,CAAhB;AAEA;;;;;;AAKA,YAAI5qC,IAAI,CAACC,GAAL,CAASs8C,SAAT,EAAoBF,MAApB,IAA8BC,WAA9B,GAA4C,GAAhD,EAAqD;AACnD,cAAI1hB,WAAmB,GAAG,MAA1B;;AACA,cAAI,KAAKrN,KAAT,EAAgB;AACdqN,uBAAW,GAAG,KAAKrN,KAAL,CAAWqN,WAAX,CAAuB/uB,QAAvB,EAAd;AACD;;AAEDrT,0BAAM,CAACC,GAAP,gBAAwBc,IAAxB,UAAiC+iD,WAAjC,SAAgDC,SAAhD,eAAmEH,QAAnE,SAA+EC,MAA/E,eAA+FzhB,WAA/F;AACAmf,YAAE,CAAC5G,MAAH,CAAUmJ,WAAV,EAAuBC,SAAvB;AACA,iBAAO,IAAP;AACD;AACF;AACF,KAvBD,CAuBE,OAAOrjD,KAAP,EAAc;AACdV,sBAAM,CAACgN,IAAP,CAAY,0BAAZ,EAAwCtM,KAAxC;AACD;;AAED,WAAO,KAAP;AACD,G;;;EA/sB4B8rB,a;;AAktBhBizB,wFAAf,E;;;;;;;;AChvBA;;;AAIA;AACA;;IAEMuE,uC;;;;;AACJ,8BAAav3B,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACE5rB,iBAAK,CAACorB,sBADR,EAEEprB,iBAAK,CAAC6oB,eAFR,EAGE7oB,iBAAK,CAAC2pB,eAHR,EAIE3pB,iBAAK,CAACkpB,aAJR,EAKElpB,iBAAK,CAAC+oB,eALR;AAOA,UAAKq6B,gBAAL,GAAwBxyB,MAAM,CAACkgB,iBAA/B;AACA,UAAKwF,UAAL,GAAkB,IAAlB;AACA,UAAKljB,MAAL,GAAc,EAAd;AACA,UAAKc,KAAL,GAAa,IAAb;AACA,UAAKmvB,gBAAL,GAAwB,EAAxB;AACA,UAAK/N,KAAL,GAAa,IAAb;AAbgB;AAcjB;;;;SAEDn3C,O,GAAA,mBAAW;AACT,QAAI,KAAKytB,GAAL,CAASntB,MAAT,CAAgB6kD,oBAApB,EAA0C;AACxC,WAAKpvB,KAAL,GAAa,IAAb;AACA,WAAKqvB,WAAL;AACD;AACF,G;;SAEDC,qB,GAAA,+BAAuBzqD,IAAvB,EAA6B;AAC3B;AACA,QAAIoqD,kBAAkB,CAACM,cAAnB,CAAkC1qD,IAAI,CAAC2qD,YAAvC,EAAqD,KAAKL,gBAA1D,CAAJ,EAAiF;AAC/E,WAAKA,gBAAL,CAAsBlgD,IAAtB,CAA2BpK,IAAI,CAAC2qD,YAAhC;AACD;AACF,G;;SAEDxC,gB,GAAA,0BAAkBnoD,IAAlB,EAAwB;AACtB,SAAKm7B,KAAL,GAAan7B,IAAI,CAACm7B,KAAL,YAAsBqC,MAAM,CAACotB,gBAA7B,GAAgD5qD,IAAI,CAACm7B,KAArD,GAA6D,IAA1E;AACD,G;;SAED8d,gB,GAAA,0BAAkBj5C,IAAlB,EAAwB;AACtB,QAAM6yB,GAAG,GAAG,KAAKA,GAAjB;AACA,SAAKy3B,gBAAL,GAAwB,EAAxB;AACA,SAAKjwB,MAAL,GAAcr6B,IAAI,CAACq6B,MAAnB;AACA,SAAKkjB,UAAL,GAAkBv9C,IAAI,CAACu9C,UAAvB;;AACA,QAAI1qB,GAAG,CAACntB,MAAJ,CAAW6kD,oBAAX,IAAmCvqD,IAAI,CAACyS,KAA5C,EAAmD;AACjD;AACA,WAAKo4C,YAAL;AACD;AACF,G,CAED;AACA;;;SACAhC,c,GAAA,wBAAgB7oD,IAAhB,EAAsB;AACpB,QAAM6yB,GAAG,GAAG,KAAKA,GAAjB;;AACA,QAAIA,GAAG,CAACntB,MAAJ,CAAW6kD,oBAAX,IAAmCvqD,IAAI,CAACyS,KAA5C,EAAmD;AACjD;AACA,WAAKo4C,YAAL;AACD;AACF,G;;SAEDC,e,GAAA,yBAAiB9qD,IAAjB,EAAuB;AACrB,SAAKq6B,MAAL,GAAcr6B,IAAI,CAACq6B,MAAnB;AACD,G;;SAED2e,gB,GAAA,4BAAoB;AAClB,SAAKwR,WAAL;AACD,G;;SAEDO,gB,GAAA,4BAAoB;AAClB,QAAI,KAAK5vB,KAAT,EAAgB;AACd,UAAI6vB,YAAY,GAAG,KAAK3wB,MAAL,GAAc,KAAKA,MAAL,CAAYt3B,MAA1B,GAAmC,CAAtD;;AACA,UAAIioD,YAAJ,EAAkB;AAChB,YAAMn4B,GAAG,GAAG,KAAKA,GAAjB;AACAA,WAAG,CAACw3B,gBAAJ,GAAuB,KAAKY,WAAL,CAAiBD,YAAY,GAAG,CAAhC,CAAvB;;AACA,YAAIn4B,GAAG,CAACw3B,gBAAJ,GAAuB,KAAKA,gBAAhC,EAAkD;AAChD;AACA;AACAx3B,aAAG,CAACq4B,gBAAJ,CAAqBhT,eAArB;AACD;;AACD,aAAKmS,gBAAL,GAAwBx3B,GAAG,CAACw3B,gBAA5B;AACD;AACF;AACF;AAED;;;;;SAGAY,W,GAAA,qBAAaE,aAAb,EAA4B;AAAA;;AAC1B,QAAI,CAAC,KAAK9wB,MAAV,EAAkB;AAChB,aAAO,CAAC,CAAR;AACD;;AAED,QAAM+wB,WAAW,GAAG,KAAK/wB,MAAL,CAAYhT,MAAZ,CAAmB,UAACmO,KAAD,EAAQtN,KAAR;AAAA,aACrCkiC,kBAAkB,CAACM,cAAnB,CAAkCxiC,KAAlC,EAAyC,MAAI,CAACoiC,gBAA9C,KAAmEpiC,KAAK,IAAIijC,aADvC;AAAA,KAAnB,CAApB;AAIA,WAAOf,kBAAkB,CAACiB,sBAAnB,CAA0CD,WAA1C,EAAuD,KAAKE,UAA5D,EAAwE,KAAKC,WAA7E,CAAP;AACD,G;;SAEDV,Y,GAAA,wBAAgB;AACd,QAAI,KAAKtO,KAAT,EAAgB;AACd;AACA;AACD;;AACD,SAAK8N,gBAAL,GAAwBxyB,MAAM,CAACkgB,iBAA/B;AACA,SAAKllB,GAAL,CAAS0qB,UAAT,GAAsB,KAAK0N,WAAL,CAAiB,KAAK1N,UAAtB,CAAtB;AACAxL,iBAAa,CAAC,KAAKwK,KAAN,CAAb;AACA,SAAKA,KAAL,GAAarK,WAAW,CAAC,KAAK6Y,gBAAL,CAAsB56C,IAAtB,CAA2B,IAA3B,CAAD,EAAmC,IAAnC,CAAxB;AACA,SAAK46C,gBAAL;AACD,G;;SAEDP,W,GAAA,uBAAe;AACb,SAAKF,gBAAL,GAAwB,EAAxB;AACA,SAAK/M,UAAL,GAAkB,IAAlB;AACA,SAAK8M,gBAAL,GAAwBxyB,MAAM,CAACkgB,iBAA/B;;AACA,QAAI,KAAKwE,KAAT,EAAgB;AACd,WAAKA,KAAL,GAAaxK,aAAa,CAAC,KAAKwK,KAAN,CAA1B;AACA,WAAKA,KAAL,GAAa,IAAb;AACD;AACF,G;;qBA8BMmO,c,GAAP,wBAAuBl1B,KAAvB,EAA8B80B,gBAA9B,EAAqD;AAAA,QAAvBA,gBAAuB;AAAvBA,sBAAuB,GAAJ,EAAI;AAAA;;AACnD,WAAOA,gBAAgB,CAAC7hD,OAAjB,CAAyB+sB,KAAzB,MAAoC,CAAC,CAA5C;AACD,G;;qBAEM61B,sB,GAAP,gCAA+BhxB,MAA/B,EAAuC7pB,KAAvC,EAA8CE,MAA9C,EAAsD;AACpD,QAAI,CAAC2pB,MAAD,IAAYA,MAAM,IAAI,CAACA,MAAM,CAACt3B,MAAlC,EAA2C;AACzC,aAAO,CAAC,CAAR;AACD,KAHmD,CAKpD;AACA;;;AACA,QAAMyoD,mBAAmB,GAAG,SAAtBA,mBAAsB,CAACjS,QAAD,EAAWjB,SAAX,EAAyB;AACnD,UAAI,CAACA,SAAL,EAAgB;AACd,eAAO,IAAP;AACD;;AAED,aAAOiB,QAAQ,CAAC/oC,KAAT,KAAmB8nC,SAAS,CAAC9nC,KAA7B,IAAsC+oC,QAAQ,CAAC7oC,MAAT,KAAoB4nC,SAAS,CAAC5nC,MAA3E;AACD,KAND,CAPoD,CAepD;AACA;;;AACA,QAAI+6C,aAAa,GAAGpxB,MAAM,CAACt3B,MAAP,GAAgB,CAApC;;AAEA,SAAK,IAAIrB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG24B,MAAM,CAACt3B,MAA3B,EAAmCrB,CAAC,IAAI,CAAxC,EAA2C;AACzC,UAAM8zB,KAAK,GAAG6E,MAAM,CAAC34B,CAAD,CAApB;;AACA,UAAI,CAAC8zB,KAAK,CAAChlB,KAAN,IAAeA,KAAf,IAAwBglB,KAAK,CAAC9kB,MAAN,IAAgBA,MAAzC,KAAoD86C,mBAAmB,CAACh2B,KAAD,EAAQ6E,MAAM,CAAC34B,CAAC,GAAG,CAAL,CAAd,CAA3E,EAAmG;AACjG+pD,qBAAa,GAAG/pD,CAAhB;AACA;AACD;AACF;;AAED,WAAO+pD,aAAP;AACD,G;;;;wBA5DiB;AAChB,UAAIj7C,KAAJ;AACA,UAAM2qB,KAAK,GAAG,KAAKA,KAAnB;;AACA,UAAIA,KAAJ,EAAW;AACT3qB,aAAK,GAAG2qB,KAAK,CAAC3qB,KAAN,IAAe2qB,KAAK,CAACuwB,WAArB,IAAoCvwB,KAAK,CAACwwB,WAAlD;AACAn7C,aAAK,IAAI45C,kBAAkB,CAACwB,kBAA5B;AACD;;AACD,aAAOp7C,KAAP;AACD;;;wBAEkB;AACjB,UAAIE,MAAJ;AACA,UAAMyqB,KAAK,GAAG,KAAKA,KAAnB;;AACA,UAAIA,KAAJ,EAAW;AACTzqB,cAAM,GAAGyqB,KAAK,CAACzqB,MAAN,IAAgByqB,KAAK,CAAC0wB,YAAtB,IAAsC1wB,KAAK,CAAC2wB,YAArD;AACAp7C,cAAM,IAAI05C,kBAAkB,CAACwB,kBAA7B;AACD;;AACD,aAAOl7C,MAAP;AACD;;;wBAEgC;AAC/B,UAAIJ,UAAU,GAAG,CAAjB;;AACA,UAAI;AACFA,kBAAU,GAAGktB,MAAM,CAACuuB,gBAApB;AACD,OAFD,CAEE,OAAOhmD,CAAP,EAAU,CAAE;;AACd,aAAOuK,UAAP;AACD;;;;EA/I8BsiB,a;;AAoLlBw3B,gGAAf,E;;;;AC3LA;;;AAIA;AACA;AACA;4BAEwB5sB,M;IAAhB9U,0B,yBAAAA,W;;IAEFsjC,4B;;;;;AACJ,yBAAan5B,GAAb,EAAkB;AAAA,WAChB,yBAAMA,GAAN,EAAW5rB,iBAAK,CAAC6oB,eAAjB,CADgB;AAEjB;;;;SAED1qB,O,GAAA,mBAAW;AACT,QAAI,KAAKm3C,KAAT,EAAgB;AACdxK,mBAAa,CAAC,KAAKwK,KAAN,CAAb;AACD;;AAED,SAAK0P,+BAAL,GAAuC,KAAvC;AACD,G;;SAED9D,gB,GAAA,0BAAkBnoD,IAAlB,EAAwB;AACtB,QAAM0F,MAAM,GAAG,KAAKmtB,GAAL,CAASntB,MAAxB;;AACA,QAAIA,MAAM,CAACwmD,iBAAX,EAA8B;AAC5B,UAAMz5C,KAAK,GAAG,KAAKA,KAAL,GAAazS,IAAI,CAACm7B,KAAL,YAAsBqC,MAAM,CAACotB,gBAA7B,GAAgD5qD,IAAI,CAACm7B,KAArD,GAA6D,IAAxF;;AACA,UAAI,OAAO1oB,KAAK,CAAC05C,uBAAb,KAAyC,UAA7C,EAAyD;AACvD,aAAKF,+BAAL,GAAuC,IAAvC;AACD;;AAEDla,mBAAa,CAAC,KAAKwK,KAAN,CAAb;AACA,WAAKA,KAAL,GAAarK,WAAW,CAAC,KAAKka,gBAAL,CAAsBj8C,IAAtB,CAA2B,IAA3B,CAAD,EAAmCzK,MAAM,CAAC2mD,0BAA1C,CAAxB;AACD;AACF,G;;SAEDC,Q,GAAA,kBAAU75C,KAAV,EAAiB85C,aAAjB,EAAgCC,aAAhC,EAA+C;AAC7C,QAAIhkB,WAAW,GAAG9f,0BAAW,CAACD,GAAZ,EAAlB;;AACA,QAAI8jC,aAAJ,EAAmB;AACjB,UAAI,KAAKE,QAAT,EAAmB;AACjB,YAAIC,aAAa,GAAGlkB,WAAW,GAAG,KAAKikB,QAAvC;AAAA,YACEE,cAAc,GAAGH,aAAa,GAAG,KAAKI,iBADxC;AAAA,YAEEC,cAAc,GAAGN,aAAa,GAAG,KAAKO,iBAFxC;AAAA,YAGEC,UAAU,GAAG,OAAOJ,cAAP,GAAwBD,aAHvC;AAAA,YAIE75B,GAAG,GAAG,KAAKA,GAJb;AAKAA,WAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACmrB,QAAlB,EAA4B;AAAEu6B,wBAAc,EAAEA,cAAlB;AAAkCE,wBAAc,EAAEA,cAAlD;AAAkEG,4BAAkB,EAAER;AAAtF,SAA5B;;AACA,YAAIO,UAAU,GAAG,CAAjB,EAAoB;AAClB;AACA,cAAIJ,cAAc,GAAG95B,GAAG,CAACntB,MAAJ,CAAWunD,6BAAX,GAA2CJ,cAAhE,EAAgF;AAC9E,gBAAIlT,YAAY,GAAG9mB,GAAG,CAAC8mB,YAAvB;AACAvzC,4BAAM,CAACgN,IAAP,CAAY,qEAAqEumC,YAAjF;;AACA,gBAAIA,YAAY,GAAG,CAAf,KAAqB9mB,GAAG,CAACw3B,gBAAJ,KAAyB,CAAC,CAA1B,IAA+Bx3B,GAAG,CAACw3B,gBAAJ,IAAwB1Q,YAA5E,CAAJ,EAA+F;AAC7FA,0BAAY,GAAGA,YAAY,GAAG,CAA9B;AACA9mB,iBAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACorB,sBAAlB,EAA0C;AAAEmD,qBAAK,EAAEmkB,YAAT;AAAuBgR,4BAAY,EAAE93B,GAAG,CAAC8mB;AAAzC,eAA1C;AACA9mB,iBAAG,CAACw3B,gBAAJ,GAAuB1Q,YAAvB;AACA9mB,iBAAG,CAACq4B,gBAAJ,CAAqBhT,eAArB;AACD;AACF;AACF;AACF;;AACD,WAAKuU,QAAL,GAAgBjkB,WAAhB;AACA,WAAKokB,iBAAL,GAAyBJ,aAAzB;AACA,WAAKM,iBAAL,GAAyBP,aAAzB;AACD;AACF,G;;SAEDH,gB,GAAA,4BAAoB;AAClB,QAAM35C,KAAK,GAAG,KAAKA,KAAnB;;AACA,QAAIA,KAAJ,EAAW;AACT,UAAI,KAAKw5C,+BAAT,EAA0C;AACxC,YAAIiB,oBAAoB,GAAGz6C,KAAK,CAAC05C,uBAAN,EAA3B;AACA,aAAKG,QAAL,CAAc75C,KAAd,EAAqBy6C,oBAAoB,CAACC,gBAA1C,EAA4DD,oBAAoB,CAACE,kBAAjF;AACD,OAHD,MAGO;AACL,aAAKd,QAAL,CAAc75C,KAAd,EAAqBA,KAAK,CAAC46C,uBAA3B,EAAoD56C,KAAK,CAAC66C,uBAA1D;AACD;AACF;AACF,G;;;EAlEyB16B,a;;AAqEbo5B,+EAAf,E;;AC/EA;;;AAIA;wBAEwCxuB,M;IAAhC9U,sB,qBAAAA,W;IAAa6kC,yB,qBAAAA,c;;IAEfC,oB;;;AACJ,qBAAa9nD,MAAb,EAAqB;AACnB,QAAIA,MAAM,IAAIA,MAAM,CAAC+nD,QAArB,EAA+B;AAC7B,WAAKA,QAAL,GAAgB/nD,MAAM,CAAC+nD,QAAvB;AACD;AACF;;;;SAEDroD,O,GAAA,mBAAW;AACT,SAAKk6B,KAAL;AACA,SAAK5J,MAAL,GAAc,IAAd;AACD,G;;SAED4J,K,GAAA,iBAAS;AACP,QAAI5J,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAIA,MAAM,IAAIA,MAAM,CAAC+gB,UAAP,KAAsB,CAApC,EAAuC;AACrC,WAAKrtB,KAAL,CAAWq6B,OAAX,GAAqB,IAArB;AACA/tB,YAAM,CAAC4J,KAAP;AACD;;AAED9B,UAAM,CAAC4U,YAAP,CAAoB,KAAKsb,cAAzB;AACA,SAAKA,cAAL,GAAsB,IAAtB;AACAlwB,UAAM,CAAC4U,YAAP,CAAoB,KAAKub,YAAzB;AACA,SAAKA,YAAL,GAAoB,IAApB;AACD,G;;SAED7uB,I,GAAA,cAAMf,OAAN,EAAer4B,MAAf,EAAuBkoD,SAAvB,EAAkC;AAChC,SAAK7vB,OAAL,GAAeA,OAAf;AACA,SAAKr4B,MAAL,GAAcA,MAAd;AACA,SAAKkoD,SAAL,GAAiBA,SAAjB;AACA,SAAKxkC,KAAL,GAAa;AAAEi1B,cAAQ,EAAE31B,sBAAW,CAACD,GAAZ,EAAZ;AAA+BolC,WAAK,EAAE;AAAtC,KAAb;AACA,SAAKpuB,UAAL,GAAkB/5B,MAAM,CAAC+5B,UAAzB;AACA,SAAKquB,YAAL;AACD,G;;SAEDA,Y,GAAA,wBAAgB;AACd,QAAIC,GAAJ;AAAA,QAAShwB,OAAO,GAAG,KAAKA,OAAxB;AACAgwB,OAAG,GAAG,KAAKr4B,MAAL,GAAc,IAAI63B,yBAAJ,EAApB;AAEA,QAAInkC,KAAK,GAAG,KAAKA,KAAjB;AACAA,SAAK,CAAC+xB,MAAN,GAAe,CAAf;AACA/xB,SAAK,CAACga,MAAN,GAAe,CAAf;AACA,QAAMqqB,QAAQ,GAAG,KAAKA,QAAtB;;AAEA,QAAI;AACF,UAAIA,QAAJ,EAAc;AACZ,YAAI;AACFA,kBAAQ,CAACM,GAAD,EAAMhwB,OAAO,CAAC5R,GAAd,CAAR;AACD,SAFD,CAEE,OAAOpmB,CAAP,EAAU;AACV;AACA;AACAgoD,aAAG,CAACC,IAAJ,CAAS,KAAT,EAAgBjwB,OAAO,CAAC5R,GAAxB,EAA6B,IAA7B;AACAshC,kBAAQ,CAACM,GAAD,EAAMhwB,OAAO,CAAC5R,GAAd,CAAR;AACD;AACF;;AACD,UAAI,CAAC4hC,GAAG,CAACtX,UAAT,EAAqB;AACnBsX,WAAG,CAACC,IAAJ,CAAS,KAAT,EAAgBjwB,OAAO,CAAC5R,GAAxB,EAA6B,IAA7B;AACD;AACF,KAdD,CAcE,OAAOpmB,CAAP,EAAU;AACV;AACA,WAAK6nD,SAAL,CAAertB,OAAf,CAAuB;AAAEqpB,YAAI,EAAEmE,GAAG,CAACE,MAAZ;AAAoBr7C,YAAI,EAAE7M,CAAC,CAACgB;AAA5B,OAAvB,EAA8Dg3B,OAA9D,EAAuEgwB,GAAvE;AACA;AACD;;AAED,QAAIhwB,OAAO,CAACgE,QAAZ,EAAsB;AACpBgsB,SAAG,CAACG,gBAAJ,CAAqB,OAArB,EAA8B,WAAWnwB,OAAO,CAAC+D,UAAnB,GAAgC,GAAhC,IAAuC/D,OAAO,CAACgE,QAAR,GAAmB,CAA1D,CAA9B;AACD;;AAEDgsB,OAAG,CAACI,kBAAJ,GAAyB,KAAKC,gBAAL,CAAsBj+C,IAAtB,CAA2B,IAA3B,CAAzB;AACA49C,OAAG,CAACM,UAAJ,GAAiB,KAAK3qB,YAAL,CAAkBvzB,IAAlB,CAAuB,IAAvB,CAAjB;AACA49C,OAAG,CAAC/uB,YAAJ,GAAmBjB,OAAO,CAACiB,YAA3B,CAnCc,CAqCd;;AACA,SAAK0uB,cAAL,GAAsBlwB,MAAM,CAAC8U,UAAP,CAAkB,KAAK5R,WAAL,CAAiBvwB,IAAjB,CAAsB,IAAtB,CAAlB,EAA+C,KAAKzK,MAAL,CAAY85B,OAA3D,CAAtB;AACAuuB,OAAG,CAACO,IAAJ;AACD,G;;SAEDF,gB,GAAA,0BAAkBrkC,KAAlB,EAAyB;AACvB,QAAIgkC,GAAG,GAAGhkC,KAAK,CAACwkC,aAAhB;AAAA,QACE9X,UAAU,GAAGsX,GAAG,CAACtX,UADnB;AAAA,QAEErtB,KAAK,GAAG,KAAKA,KAFf;AAAA,QAGE2U,OAAO,GAAG,KAAKA,OAHjB;AAAA,QAIEr4B,MAAM,GAAG,KAAKA,MAJhB,CADuB,CAOvB;;AACA,QAAI0jB,KAAK,CAACq6B,OAAV,EAAmB;AACjB;AACD,KAVsB,CAYvB;;;AACA,QAAIhN,UAAU,IAAI,CAAlB,EAAqB;AACnB;AACAjZ,YAAM,CAAC4U,YAAP,CAAoB,KAAKsb,cAAzB;;AACA,UAAItkC,KAAK,CAAC+xB,MAAN,KAAiB,CAArB,EAAwB;AACtB/xB,aAAK,CAAC+xB,MAAN,GAAevtC,IAAI,CAAC+U,GAAL,CAAS+F,sBAAW,CAACD,GAAZ,EAAT,EAA4BW,KAAK,CAACi1B,QAAlC,CAAf;AACD;;AAED,UAAI5H,UAAU,KAAK,CAAnB,EAAsB;AACpB,YAAIwX,MAAM,GAAGF,GAAG,CAACE,MAAjB,CADoB,CAEpB;;AACA,YAAIA,MAAM,IAAI,GAAV,IAAiBA,MAAM,GAAG,GAA9B,EAAmC;AACjC7kC,eAAK,CAAC2X,KAAN,GAAcnzB,IAAI,CAAC+U,GAAL,CAASyG,KAAK,CAAC+xB,MAAf,EAAuBzyB,sBAAW,CAACD,GAAZ,EAAvB,CAAd;AACA,cAAIzoB,IAAJ,EAAUiL,GAAV;;AACA,cAAI8yB,OAAO,CAACiB,YAAR,KAAyB,aAA7B,EAA4C;AAC1Ch/B,gBAAI,GAAG+tD,GAAG,CAAC5vB,QAAX;AACAlzB,eAAG,GAAGjL,IAAI,CAACS,UAAX;AACD,WAHD,MAGO;AACLT,gBAAI,GAAG+tD,GAAG,CAACS,YAAX;AACAvjD,eAAG,GAAGjL,IAAI,CAAC+C,MAAX;AACD;;AACDqmB,eAAK,CAACga,MAAN,GAAeha,KAAK,CAAC8xB,KAAN,GAAcjwC,GAA7B;AACA,cAAIkzB,QAAQ,GAAG;AAAEhS,eAAG,EAAE4hC,GAAG,CAACU,WAAX;AAAwBzuD,gBAAI,EAAEA;AAA9B,WAAf;AACA,eAAK4tD,SAAL,CAAevtB,SAAf,CAAyBlC,QAAzB,EAAmC/U,KAAnC,EAA0C2U,OAA1C,EAAmDgwB,GAAnD;AACD,SAbD,MAaO;AACL;AACA,cAAI3kC,KAAK,CAACykC,KAAN,IAAenoD,MAAM,CAAC65B,QAA1B,EAAoC;AAClCn5B,4BAAM,CAACU,KAAP,CAAgBmnD,MAAhB,uBAAwClwB,OAAO,CAAC5R,GAAhD;AACA,iBAAKyhC,SAAL,CAAertB,OAAf,CAAuB;AAAEqpB,kBAAI,EAAEqE,MAAR;AAAgBr7C,kBAAI,EAAEm7C,GAAG,CAACW;AAA1B,aAAvB,EAA+D3wB,OAA/D,EAAwEgwB,GAAxE;AACD,WAHD,MAGO;AACL;AACA3nD,4BAAM,CAACgN,IAAP,CAAe66C,MAAf,uBAAuClwB,OAAO,CAAC5R,GAA/C,sBAAmE,KAAKsT,UAAxE,UAFK,CAGL;;AACA,iBAAKr6B,OAAL,GAJK,CAKL;;AACA,iBAAKuoD,YAAL,GAAoBnwB,MAAM,CAAC8U,UAAP,CAAkB,KAAKwb,YAAL,CAAkB39C,IAAlB,CAAuB,IAAvB,CAAlB,EAAgD,KAAKsvB,UAArD,CAApB,CANK,CAOL;;AACA,iBAAKA,UAAL,GAAkB7xB,IAAI,CAACC,GAAL,CAAS,IAAI,KAAK4xB,UAAlB,EAA8B/5B,MAAM,CAACg6B,aAArC,CAAlB;AACAtW,iBAAK,CAACykC,KAAN;AACD;AACF;AACF,OAjCD,MAiCO;AACL;AACA,aAAKH,cAAL,GAAsBlwB,MAAM,CAAC8U,UAAP,CAAkB,KAAK5R,WAAL,CAAiBvwB,IAAjB,CAAsB,IAAtB,CAAlB,EAA+CzK,MAAM,CAAC85B,OAAtD,CAAtB;AACD;AACF;AACF,G;;SAEDkB,W,GAAA,uBAAe;AACbt6B,oBAAM,CAACgN,IAAP,4BAAqC,KAAK2qB,OAAL,CAAa5R,GAAlD;AACA,SAAKyhC,SAAL,CAAentB,SAAf,CAAyB,KAAKrX,KAA9B,EAAqC,KAAK2U,OAA1C,EAAmD,IAAnD;AACD,G;;SAED2F,Y,GAAA,sBAAc3Z,KAAd,EAAqB;AACnB,QAAIgkC,GAAG,GAAGhkC,KAAK,CAACwkC,aAAhB;AAAA,QACEnlC,KAAK,GAAG,KAAKA,KADf;AAGAA,SAAK,CAACga,MAAN,GAAerZ,KAAK,CAACqZ,MAArB;;AACA,QAAIrZ,KAAK,CAAC4kC,gBAAV,EAA4B;AAC1BvlC,WAAK,CAAC8xB,KAAN,GAAcnxB,KAAK,CAACmxB,KAApB;AACD;;AAED,QAAIzX,UAAU,GAAG,KAAKmqB,SAAL,CAAenqB,UAAhC;;AACA,QAAIA,UAAJ,EAAgB;AACd;AACAA,gBAAU,CAACra,KAAD,EAAQ,KAAK2U,OAAb,EAAsB,IAAtB,EAA4BgwB,GAA5B,CAAV;AACD;AACF,G;;;;;AAGYP,mEAAf,E;;;;;;;;ACtKA;AACA;AACA;AACA;AAEA;;;;;;;;;;;;;;;;;;;;;;IAqBMoB,2C;;;;;AACJ,gCAAa/7B,GAAb,EAAkB;AAAA;;AAChB,iCAAMA,GAAN,EACE5rB,iBAAK,CAACypB,gBADR,EAEEzpB,iBAAK,CAAC2pB,eAFR,EAGE3pB,iBAAK,CAACuqB,kBAHR,EAIEvqB,iBAAK,CAACqqB,oBAJR,EAKErqB,iBAAK,CAAC+pB,YALR,EAME/pB,iBAAK,CAACC,KANR;AASA;;;;;;AAKA,UAAK2nD,QAAL,GAAgB,CAAC,CAAjB;AAEA;;;;;;AAKA,UAAKC,mBAAL,GAA2B,IAA3B;AAEA;;;;;;AAKA,UAAK/uC,MAAL,GAAc,EAAd;AAEA;;;;;;AAKA,UAAKgvC,gBAAL,GAAwBjrC,MAAM,CAAC6gB,MAAP,CAAc,IAAd,CAAxB;AAEA;;;;;;;AAMA,UAAK2Z,YAAL,GAAoB,IAApB;AA5CgB;AA6CjB;AAED;;;;;;;SAGAzf,iB,GAAA,6BAAqB;AACnB,SAAK9e,MAAL,GAAc,EAAd;AACA,SAAK8uC,QAAL,GAAgB,CAAC,CAAjB;AACA,SAAKC,mBAAL,GAA2B,IAA3B;AACD;AAED;;;;;;;;;SAOA7V,gB,GAAA,0BAAkBj5C,IAAlB,EAAwB;AACtB,QAAM+f,MAAM,GAAG,KAAKA,MAAL,GAAc/f,IAAI,CAACohC,WAAL,IAAoB,EAAjD;AACA,SAAKvO,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACmqB,oBAAvB,EAA6C;AAAEgQ,iBAAW,EAAErhB;AAAf,KAA7C;;AAEA,SAAKivC,iBAAL,CAAuB,KAAKn8B,GAAL,CAASkiB,aAAhC;AACD;AAED;;;;;;;;;SAOAka,kB,GAAA,4BAAoBjvD,IAApB,EAA0B;AACxB,QAAIA,IAAI,CAAC8K,EAAL,IAAW,KAAKiV,MAAL,CAAYhd,MAA3B,EAAmC;AACjCqD,sBAAM,CAACgN,IAAP,CAAY,yBAAZ,EAAuCpT,IAAI,CAAC8K,EAA5C;AACA;AACD;;AAED1E,oBAAM,CAACC,GAAP,iBAAyBrG,IAAI,CAAC8K,EAA9B;AAEA,SAAKiV,MAAL,CAAY/f,IAAI,CAAC8K,EAAjB,EAAqBxD,OAArB,GAA+BtH,IAAI,CAACsH,OAApC,CARwB,CAUxB;AACA;;AACA,QAAItH,IAAI,CAACsH,OAAL,CAAauvB,IAAb,IAAqB,CAAC,KAAKmb,WAAL,EAA1B,EAA8C;AAC5C;AACA;AACA,UAAMkd,cAAc,GAAGlvD,IAAI,CAACsH,OAAL,CAAa4vB,cAAb,GAA8B,IAArD;AACA,WAAKgb,WAAL,CAAiBgd,cAAjB;AACD;;AAED,QAAI,CAAClvD,IAAI,CAACsH,OAAL,CAAauvB,IAAd,IAAsB,KAAKmb,WAAL,EAA1B,EAA8C;AAC5C;AACA,WAAKD,aAAL;AACD;AACF;AAED;;;;;;;;;;SAQA6I,oB,GAAA,8BAAsB56C,IAAtB,EAA4B;AAC1B,QAAMs+C,YAAY,GAAG,KAAKv+B,MAAL,CAAY/f,IAAI,CAAC8K,EAAjB,EAAqBswB,OAA1C;;AACA,QAAIkjB,YAAY,IAAK,KAAKA,YAAL,KAAsBA,YAA3C,EAA0D;AACxD,WAAKA,YAAL,GAAoBA,YAApB;AACD;AACF;AAED;;;;;;;;;;;SASAjF,a,GAAA,uBAAer5C,IAAf,EAAqB;AACnB,SAAKgvD,iBAAL,CAAuBhvD,IAAI,CAACw1B,KAA5B;AACD;AAED;;;;;;;;SAMA+K,O,GAAA,iBAASvgC,IAAT,EAAe;AACb;AACA,QAAIA,IAAI,CAACmH,IAAL,KAAcC,oBAAU,CAACg7B,aAA7B,EAA4C;AAC1C;AACD,KAJY,CAMb;;;AACA,QAAIpiC,IAAI,CAACyH,KAAT,EAAgB;AACd,WAAKsqC,aAAL;AACD,KATY,CAWb;;;AACA,QAAI/xC,IAAI,CAACsH,OAAL,KAAiBC,sBAAY,CAACo7B,sBAAlC,EAA0D;AACxD;AACD;;AAEDv8B,oBAAM,CAACgN,IAAP,CAAY,oCAAZ,EAAkDpT,IAAI,CAAC+9B,OAAL,CAAajzB,EAA/D;;AACA,SAAKqkD,gBAAL;AACD;AAED;;;;;AAuBA;;;;SAIAC,c,GAAA,wBAAgBC,KAAhB,EAAuB;AACrB;AACA,QAAI,KAAKR,QAAL,KAAkBQ,KAAlB,IAA2B,KAAKtvC,MAAL,CAAY,KAAK8uC,QAAjB,EAA2BvnD,OAA1D,EAAmE;AACjElB,sBAAM,CAAC6R,KAAP,CAAa,6EAAb;AACA;AACD,KALoB,CAOrB;;;AACA,QAAIo3C,KAAK,GAAG,CAAR,IAAaA,KAAK,IAAI,KAAKtvC,MAAL,CAAYhd,MAAtC,EAA8C;AAC5CqD,sBAAM,CAACgN,IAAP,CAAY,6CAAZ;AACA;AACD;;AAED,QAAMoB,UAAU,GAAG,KAAKuL,MAAL,CAAYsvC,KAAZ,CAAnB;AAEAjpD,oBAAM,CAACC,GAAP,yCAAiDgpD,KAAjD,EAfqB,CAiBrB;;AACA,SAAKtd,aAAL;AACA,SAAK8c,QAAL,GAAgBQ,KAAhB;AAnBqB,QAqBbljC,GArBa,GAqBK3X,UArBL,CAqBb2X,GArBa;AAAA,QAqBRhlB,IArBQ,GAqBKqN,UArBL,CAqBRrN,IArBQ;AAAA,QAqBF2D,EArBE,GAqBK0J,UArBL,CAqBF1J,EArBE;AAsBrB,SAAK+nB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACoqB,qBAAvB,EAA8C;AAAEvmB,QAAE,EAAFA,EAAF;AAAM3D,UAAI,EAAJA,IAAN;AAAYglB,SAAG,EAAHA;AAAZ,KAA9C;;AACA,SAAKmjC,yBAAL,CAA+B96C,UAA/B;AACD;AAED;;;;;SAGA69B,M,GAAA,kBAAU;AACR,SAAKkd,YAAL,CAAkB,KAAKV,QAAvB;AACD;AAED;;;;;;SAIAG,iB,GAAA,2BAAmBxtB,OAAnB,EAA4B;AAC1B,QAAM+T,SAAS,GAAG,KAAK1iB,GAAL,CAASwH,MAAT,CAAgBmH,OAAhB,CAAlB;;AAEA,QAAI,CAAC+T,SAAD,IAAc,CAACA,SAAS,CAACpL,aAA7B,EAA4C;AAC1C;AACD;;AAED,QAAMmU,YAAY,GAAG/I,SAAS,CAACpL,aAAV,CAAwBoL,SAAS,CAAChgB,KAAlC,CAArB;;AACA,QAAI,KAAK+oB,YAAL,KAAsBA,YAA1B,EAAwC;AACtC,WAAKA,YAAL,GAAoBA,YAApB;;AACA,WAAKkR,wBAAL;AACD;AACF;AAED;;;;;;SAIAA,wB,GAAA,oCAA4B;AAAA;;AAC1B,QAAIzvC,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAI,CAACA,MAAM,CAAChd,MAAZ,EAAoB;AAClB;AACD;;AAED,QAAM0sD,iBAAiB,GAAG,KAAK1vC,MAAL,CAAY,KAAK8uC,QAAjB,CAA1B;AAEA,QAAI3uD,IAAI,GAAG,IAAX;;AACA,QAAIuvD,iBAAJ,EAAuB;AACrBvvD,UAAI,GAAGuvD,iBAAiB,CAACvvD,IAAzB;AACD,KAXyB,CAa1B;;;AACA,QAAI,KAAK4uD,mBAAT,EAA8B;AAC5B,UAAMY,aAAa,GAAG3vC,MAAM,CAACsH,MAAP,CAAc,UAAC/d,KAAD;AAAA,eAAWA,KAAK,CAACgyB,OAAjB;AAAA,OAAd,CAAtB;;AACA,UAAIo0B,aAAa,CAAC3sD,MAAlB,EAA0B;AACxBgd,cAAM,GAAG2vC,aAAT;AACD,OAFD,MAEO;AACLtpD,wBAAM,CAACgN,IAAP,CAAY,iCAAZ;AACD;AACF;;AAED,QAAIu8C,UAAU,GAAG,KAAjB;;AAEA,QAAMC,cAAc,GAAG,SAAjBA,cAAiB,GAAM;AAC3B;AACA7vC,YAAM,CAACvH,OAAP,CAAe,UAAClP,KAAD,EAAW;AACxB,YAAIqmD,UAAJ,EAAgB;AACd;AACD,SAHuB,CAIxB;AACA;;;AACA,YAAI,CAAC,CAAC,MAAI,CAACrR,YAAN,IAAsBh1C,KAAK,CAAC8xB,OAAN,KAAkB,MAAI,CAACkjB,YAA9C,MACD,CAACp+C,IAAD,IAASA,IAAI,KAAKoJ,KAAK,CAACpJ,IADvB,CAAJ,EACkC;AAChC;AACA;AACA,gBAAI,CAACkvD,cAAL,CAAoB9lD,KAAK,CAACwB,EAA1B;;AACA6kD,oBAAU,GAAG,IAAb;AACD;AACF,OAbD;AAcD,KAhBD;;AAkBAC,kBAAc;;AAEd,QAAI,CAACD,UAAL,EAAiB;AACfzvD,UAAI,GAAG,IAAP;AACA0vD,oBAAc;AACf;;AAED,QAAI,CAACD,UAAL,EAAiB;AACfvpD,sBAAM,CAACU,KAAP,iDAA2D,KAAKw3C,YAAhE;AAEA,WAAKzrB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,YAAI,EAAEC,oBAAU,CAACC,WADW;AAE5BC,eAAO,EAAEC,sBAAY,CAACo7B,sBAFM;AAG5Bl7B,aAAK,EAAE;AAHqB,OAA9B;AAKD;AACF;AAED;;;;;;;SAKAooD,kB,GAAA,4BAAoBr7C,UAApB,EAAgC;AAAA,QACtBlN,OADsB,GACLkN,UADK,CACtBlN,OADsB;AAAA,QACb6kB,GADa,GACL3X,UADK,CACb2X,GADa;;AAG9B,QAAI,CAAC7kB,OAAD,IAAYA,OAAO,CAACuvB,IAAxB,EAA8B;AAC5B;AACA,aAAO,CAAC,CAAC1K,GAAT;AACD;;AAED,WAAO,KAAP;AACD;AAED;;;;;;SAIAmjC,yB,GAAA,mCAA2B96C,UAA3B,EAAuC;AACrC,QAAI,KAAKq7C,kBAAL,CAAwBr7C,UAAxB,CAAJ,EAAyC;AAAA,UAC/B2X,GAD+B,GACnB3X,UADmB,CAC/B2X,GAD+B;AAAA,UAC1BrhB,EAD0B,GACnB0J,UADmB,CAC1B1J,EAD0B,EAEvC;;AACA1E,sBAAM,CAACC,GAAP,2CAAmDyE,EAAnD;AACA,WAAK+nB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACsqB,mBAAvB,EAA4C;AAAEpF,WAAG,EAAHA,GAAF;AAAOrhB,UAAE,EAAFA;AAAP,OAA5C;AACD;AACF;AAED;;;;;;SAIAykD,Y,GAAA,sBAAcF,KAAd,EAAqB;AACnB;AACA,QAAIA,KAAK,GAAG,CAAR,IAAaA,KAAK,IAAI,KAAKtvC,MAAL,CAAYhd,MAAtC,EAA8C;AAC5C;AACD,KAJkB,CAMnB;;;AACA,SAAKgvC,aAAL;AACA,SAAK8c,QAAL,GAAgBQ,KAAhB;AACAjpD,oBAAM,CAACC,GAAP,mCAA2CgpD,KAA3C;AACA,QAAM76C,UAAU,GAAG,KAAKuL,MAAL,CAAYsvC,KAAZ,CAAnB;;AACA,SAAKC,yBAAL,CAA+B96C,UAA/B;AACD;AAED;;;;;SAGA26C,gB,GAAA,4BAAoB;AAClB;AACA,SAAKJ,gBAAL,CAAsB,KAAKF,QAA3B,IAAuC,IAAvC,CAFkB,CAIlB;;AACA,QAAMiB,UAAU,GAAG,KAAKjB,QAAxB;AALkB,gCAMkB,KAAK9uC,MAAL,CAAY+vC,UAAZ,CANlB;AAAA,QAMV5vD,IANU,yBAMVA,IANU;AAAA,QAMJ6vD,QANI,yBAMJA,QANI;AAAA,QAMM30B,OANN,yBAMMA,OANN;AAQlBh1B,oBAAM,CAACgN,IAAP,wCAAiD08C,UAAjD,oBAA0E10B,OAA1E,2BAAsGl7B,IAAtG,eAAkH6vD,QAAlH,SARkB,CAUlB;AACA;;AACA,QAAIV,KAAK,GAAGS,UAAZ;;AACA,SAAK,IAAIpuD,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG,KAAKqe,MAAL,CAAYhd,MAAhC,EAAwCrB,CAAC,EAAzC,EAA6C;AAC3C,UAAI,KAAKqtD,gBAAL,CAAsBrtD,CAAtB,CAAJ,EAA8B;AAC5B;AACD;;AACD,UAAMsuD,QAAQ,GAAG,KAAKjwC,MAAL,CAAYre,CAAZ,CAAjB;;AACA,UAAIsuD,QAAQ,CAAC9vD,IAAT,KAAkBA,IAAtB,EAA4B;AAC1BmvD,aAAK,GAAG3tD,CAAR;AACA;AACD;AACF;;AAED,QAAI2tD,KAAK,KAAKS,UAAd,EAA0B;AACxB1pD,sBAAM,CAACgN,IAAP,yDAAiElT,IAAjE,eAA6E6vD,QAA7E;AACA;AACD;;AAED3pD,oBAAM,CAACC,GAAP,CAAW,qCAAX,EAAkDgpD,KAAlD,EAAyD,WAAzD,EAAsE,KAAKtvC,MAAL,CAAYsvC,KAAZ,EAAmBj0B,OAAzF;;AAEA,SAAKg0B,cAAL,CAAoBC,KAApB;AACD,G;;;;wBA9NkB;AACjB,aAAO,KAAKtvC,MAAZ;AACD;AAED;;;;;;wBAGkB;AAChB,aAAO,KAAK8uC,QAAZ;AACD;AAED;;;;sBAGgBQ,K,EAAO;AACrB,WAAKD,cAAL,CAAoBC,KAApB,EADqB,CAErB;;;AACA,WAAKP,mBAAL,GAA2B,KAA3B;AACD;;;;EAlLgCtd,Q;;AAiYpBod,sGAAf,E;;;;;;;;;;;;AC3ZA;;;AAIA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;qCACwBpxB,M;IAAhB9U,mC,kCAAAA,W;AAER,IAAM4rB,qCAAa,GAAG,GAAtB,C,CAA2B;;IAErB2b,6C;;;;;AACJ,iCAAap9B,GAAb,EAAkBwc,eAAlB,EAAmC;AAAA;;AACjC,6CAAMxc,GAAN,EACE5rB,iBAAK,CAAC8oB,cADR,EAEE9oB,iBAAK,CAAC+oB,eAFR,EAGE/oB,iBAAK,CAACmqB,oBAHR,EAIEnqB,iBAAK,CAACoqB,qBAJR,EAKEpqB,iBAAK,CAACuqB,kBALR,EAMEvqB,iBAAK,CAACurB,UANR,EAOEvrB,iBAAK,CAACgrB,WAPR,EAQEhrB,iBAAK,CAAC+c,yBARR,EASE/c,iBAAK,CAAC6f,iBATR,EAUE7f,iBAAK,CAACoc,WAVR,EAWEpc,iBAAK,CAACC,KAXR,EAYED,iBAAK,CAACipB,YAZR,EAaEjpB,iBAAK,CAACmpB,cAbR,EAcEnpB,iBAAK,CAACqpB,eAdR,EAeErpB,iBAAK,CAACwpB,cAfR,EAgBExpB,iBAAK,CAAC4c,cAhBR;AAiBA,UAAKwrB,eAAL,GAAuBA,eAAvB;AACA,UAAK3pC,MAAL,GAAcmtB,GAAG,CAACntB,MAAlB;AACA,UAAK8uC,cAAL,GAAsB,KAAtB;AACA,UAAKC,MAAL,GAAclC,KAAK,CAACC,OAApB;AACA,UAAK/uB,OAAL,GAAe,EAAf;AACA,UAAKysC,eAAL,GAAuB,IAAvB;AACA,UAAKC,YAAL,GAAoB,IAApB;AAxBiC;AAyBlC,G,CAED;;;;;SACAC,c,GAAA,wBAAgBpwD,IAAhB,EAAsB;AACpB,QAAIqwD,SAAS,GAAGrwD,IAAI,CAAC8K,EAArB;AAAA,QAAyBsqB,EAAE,GAAGp1B,IAAI,CAAC+W,IAAL,CAAUqe,EAAxC;AAAA,QAA4C3R,OAAO,GAAGzjB,IAAI,CAACyjB,OAA3D;;AACA,QAAI4sC,SAAS,KAAK,MAAlB,EAA0B;AACxB;AACA;AACA,WAAK5sC,OAAL,CAAa2R,EAAb,IAAmB3R,OAAnB;AACA,WAAK0sC,YAAL,GAAoB/6B,EAApB;AACAhvB,sBAAM,CAACC,GAAP,sBAA8B+uB,EAA9B,iCAA4D3R,OAA5D,EALwB,CAOxB;AACA;;AACA,UAAI,KAAK9I,KAAL,KAAe43B,KAAK,CAACU,gBAAzB,EAA2C;AACzC,aAAKpB,IAAL;AACD;AACF;AACF,G;;SAEDuB,S,GAAA,mBAAWY,aAAX,EAA0B;AACxB,QAAI,KAAKj0B,MAAT,EAAiB;AACf,UAAI6vB,eAAe,GAAG,KAAKA,eAA3B;AACA,WAAKyD,QAAL;AACA,WAAKnB,WAAL,CAAiBoC,qCAAjB;AACA,WAAKM,aAAL,GAAqB,CAArB;;AACA,UAAIhF,eAAe,GAAG,CAAlB,IAAuBoE,aAAa,KAAK,CAAC,CAA9C,EAAiD;AAC/C5tC,wBAAM,CAACC,GAAP,yDAAiEupC,eAAe,CAACnD,OAAhB,CAAwB,CAAxB,CAAjE;AACA,aAAK9xB,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACD,OAHD,MAGO;AACL,aAAK9C,eAAL,GAAuB,KAAKoE,aAAL,GAAqB,KAAKA,aAA1B,GAA0CA,aAAjE;AACA,aAAKr5B,KAAL,GAAa43B,KAAK,CAACE,QAAnB;AACD;;AACD,WAAKsB,gBAAL,GAAwB,KAAKC,aAAL,GAAqB,KAAKpE,eAAlD;AACA,WAAKiC,IAAL;AACD,KAdD,MAcO;AACL,WAAKmC,aAAL,GAAqBA,aAArB;AACA,WAAKr5B,KAAL,GAAa43B,KAAK,CAACC,OAAnB;AACD;AACF,G;;SAcDH,M,GAAA,kBAAU;AACR,QAAIh4B,GAAJ;AAAA,QAAS/Q,KAAT;AAAA,QAAgBgnD,YAAhB;AAAA,QAA8Bz9B,GAAG,GAAG,KAAKA,GAAzC;AAAA,QAA8CntB,MAAM,GAAGmtB,GAAG,CAACntB,MAA3D,CADQ,CAER;;AACA,YAAQ,KAAKiV,KAAb;AACA,WAAK43B,KAAK,CAACrrC,KAAX,CADA,CAEE;;AACF,WAAKqrC,KAAK,CAACI,MAAX,CAHA,CAIE;;AACF,WAAKJ,KAAK,CAAC/hB,eAAX;AACE;;AACF,WAAK+hB,KAAK,CAACE,QAAX;AACE,aAAK93B,KAAL,GAAa43B,KAAK,CAACM,aAAnB;AACA,aAAKiB,cAAL,GAAsB,KAAtB;AACA;;AACF,WAAKvB,KAAK,CAACG,IAAX;AACE,YAAM3yB,MAAM,GAAG,KAAKA,MAApB,CADF,CAEE;;AACA,YAAI,CAACA,MAAL,EAAa;AACX;AACD,SALH,CAOE;AACA;AACA;AACA;;;AACA,YAAI,CAAC,KAAKob,KAAN,KACC,KAAK0Z,kBAAL,IAA2B,CAACnvC,MAAM,CAAC4vC,iBADpC,CAAJ,EAC4D;AAC1D;AACD,SAdH,CAgBE;AACA;AACA;;;AACA,YAAI,KAAKxB,cAAT,EAAyB;AACvBz5B,aAAG,GAAG,KAAK8gB,KAAL,CAAWqN,WAAjB;AACD,SAFD,MAEO;AACLnuB,aAAG,GAAG,KAAK05B,gBAAX;;AACA,cAAI15B,GAAG,KAAKhV,SAAZ,EAAuB;AACrB;AACD;AACF;;AACD,YAAI81B,KAAK,GAAG,KAAKuY,WAAL,GAAmB,KAAKA,WAAxB,GAAsC,KAAKvY,KAAvD;AAAA,YACE0f,WAAW,GAAG,KAAKA,WAAL,GAAmB,KAAKA,WAAxB,GAAsC,KAAK1f,KAD3D;AAAA,YAEEsM,UAAU,GAAGF,YAAY,CAACE,UAAb,CAAwBtM,KAAxB,EAA+B9gB,GAA/B,EAAoC3U,MAAM,CAACygB,aAA3C,CAFf;AAAA,YAGEoqC,cAAc,GAAGhpB,YAAY,CAACE,UAAb,CAAwBoT,WAAxB,EAAqCxgC,GAArC,EAA0C3U,MAAM,CAACygB,aAAjD,CAHnB;AAAA,YAIE+hB,SAAS,GAAGT,UAAU,CAACx8B,GAJzB;AAAA,YAKEo9B,SAAS,GAAGZ,UAAU,CAAC3f,GALzB;AAAA,YAME6mB,YAAY,GAAG,KAAKA,YANtB;AAAA,YAOE;AACA;AACA;AACA6hB,uBAAe,GAAG5iD,IAAI,CAACC,GAAL,CAASnI,MAAM,CAACiwC,eAAhB,EAAiCjwC,MAAM,CAACkwC,kBAAxC,CAVpB;AAAA,YAWEH,SAAS,GAAG7nC,IAAI,CAAC+U,GAAL,CAAS6tC,eAAT,EAA0BD,cAAc,CAACtlD,GAAzC,CAXd;AAAA,YAYEwlD,WAAW,GAAG,KAAKA,WAZrB;AAAA,YAaE3hC,OAAO,GAAG,KAAKA,OAbjB,CA3BF,CA0CI;;AACF,YAAI,CAACoZ,SAAS,GAAGuN,SAAZ,IAAyBgb,WAA1B,KAA0C3hC,OAAO,GAAG/O,MAAM,CAAChd,MAA/D,EAAuE;AACrEutD,sBAAY,GAAGvwC,MAAM,CAAC+O,OAAD,CAAN,CAAgBxnB,OAA/B,CADqE,CAErE;;AACA,cAAI,OAAOgpD,YAAP,KAAwB,WAA5B,EAAyC;AACvC,iBAAK31C,KAAL,GAAa43B,KAAK,CAACM,aAAnB;AACA;AACD;;AAED,cAAI,CAAC4d,WAAD,IAAgB,KAAKld,YAAL,CAAkB9L,UAAlB,EAA8B6oB,YAA9B,CAApB,EAAiE;AAC/D,iBAAKz9B,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACspB,UAAvB,EAAmC;AAAEppB,kBAAI,EAAE;AAAR,aAAnC;AACA,iBAAKwT,KAAL,GAAa43B,KAAK,CAACS,KAAnB;AACA;AACD,WAZoE,CAcrE;;;AACA,cAAIpc,SAAS,GAAG05B,YAAY,CAAC15B,SAA7B;AAAA,cACEkf,OAAO,GAAGlf,SAAS,CAAC7zB,MADtB;AAAA,cAEEmR,KAAK,GAAG0iB,SAAS,CAAC,CAAD,CAAT,CAAa1iB,KAFvB;AAAA,cAGE4T,GAAG,GAAG8O,SAAS,CAACkf,OAAO,GAAG,CAAX,CAAT,CAAuB5hC,KAAvB,GAA+B0iB,SAAS,CAACkf,OAAO,GAAG,CAAX,CAAT,CAAuBnrC,QAH9D;AAAA,cAIEoM,IAJF,CAfqE,CAqBnE;;AACF,cAAI05C,WAAJ,EAAiB;AACf,gBAAIH,YAAY,CAACz5B,IAAb,IAAqB,CAACy5B,YAAY,CAACvlB,QAAvC,EAAiD;AAC/C3kC,8BAAM,CAACC,GAAP,CAAW,oEAAX;AACAgiC,uBAAS,GAAG,CAAZ;AACD,aAHD,MAGO;AACLA,uBAAS,GAAGhuB,GAAZ,CADK,CAEL;;AACA,kBAAIi2C,YAAY,CAACvlB,QAAb,IAAyB1wB,GAAG,GAAGnG,KAAnC,EAA0C;AACxC;AACA,oBAAIuzB,UAAU,CAAC3f,GAAX,GAAiB5T,KAAjB,IAA0BuzB,UAAU,CAACI,SAAzC,EAAoD;AAClDzhC,kCAAM,CAACC,GAAP,CAAW,uEAAX;AACA,uBAAK80B,KAAL,CAAWqN,WAAX,GAAyBt0B,KAAK,GAAG,IAAjC;AACD,iBAHD,MAGO;AACL;AACD;AACF;AACF;AACF;;AACD,cAAIo8C,YAAY,CAAC7lD,WAAb,IAA4B,CAAC6lD,YAAY,CAAC7lD,WAAb,CAAyBzK,IAA1D,EAAgE;AAC9D+W,gBAAI,GAAGu5C,YAAY,CAAC7lD,WAApB;AACD,WAFD,CAEE;AACF;AAHA,eAIK,IAAI49B,SAAS,IAAIn0B,KAAjB,EAAwB;AAC3B6C,kBAAI,GAAG6f,SAAS,CAAC,CAAD,CAAhB;;AACA,kBAAI,KAAKu5B,YAAL,KAAsB,IAAtB,IAA8Bp5C,IAAI,CAACqe,EAAL,KAAY,KAAK+6B,YAAnD,EAAiE;AAC/D;AACAp5C,oBAAI,GAAG81B,cAAc,CAACjW,SAAD,EAAY,KAAKu5B,YAAjB,CAArB;AACD;;AACD,kBAAIG,YAAY,CAACz5B,IAAb,IAAqB9f,IAAI,CAAC25C,OAA1B,IAAqC35C,IAAI,CAAC25C,OAAL,KAAiB,KAAKC,WAA/D,EAA4E;AAC1E;AACA;AACA,oBAAMC,YAAY,GAAGnpB,UAAU,CAACI,SAAX,GAAuBJ,UAAU,CAACI,SAAlC,GAA8C3zB,KAAnE;AACA9N,gCAAM,CAACC,GAAP,0CAAkD,KAAK80B,KAAL,CAAWqN,WAA7D,oBAAsFooB,YAAY,GAAG,IAArG;AACA,qBAAKz1B,KAAL,CAAWqN,WAAX,GAAyBooB,YAAY,GAAG,IAAxC;AACA;AACD;AACF,aAdI,MAcE;AACL,kBAAIC,SAAJ;AACA,kBAAItoB,sBAAsB,GAAG7iC,MAAM,CAAC6iC,sBAApC;AACA,kBAAMqG,QAAQ,GAAGD,YAAY,GAAG/X,SAAS,CAAC+X,YAAY,CAAC9uB,EAAb,GAAkB+W,SAAS,CAAC,CAAD,CAAT,CAAa/W,EAA/B,GAAoC,CAArC,CAAZ,GAAsDxa,SAAnF;;AACA,kBAAIwpC,2BAA2B,GAAG,SAA9BA,2BAA8B,CAAC9B,SAAD,EAAe;AAC/C;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,oBAAI+B,wBAAwB,GAAGlhC,IAAI,CAACC,GAAL,CAAS06B,sBAAT,EAAiCwE,SAAS,CAACpiC,QAA3C,CAA/B;;AACA,oBAAKoiC,SAAS,CAAC74B,KAAV,GAAkB64B,SAAS,CAACpiC,QAA5B,GAAuCmkC,wBAAxC,IAAqEzG,SAAzE,EAAoF;AAClF,yBAAO,CAAP;AACD,iBAFD,MAEO,IAAI0E,SAAS,CAAC74B,KAAV,GAAkB46B,wBAAlB,GAA6CzG,SAA7C,IAA0D0E,SAAS,CAAC74B,KAAxE,EAA+E;AACpF;AACA,yBAAO,CAAC,CAAR;AACD;;AAED,uBAAO,CAAP;AACD,eAxBD;;AA0BA,kBAAIm0B,SAAS,GAAGvgB,GAAhB,EAAqB;AACnB,oBAAIugB,SAAS,GAAGvgB,GAAG,GAAGygB,sBAAtB,EAA8C;AAC5CA,wCAAsB,GAAG,CAAzB;AACD,iBAHkB,CAKnB;;;AACA,oBAAIqG,QAAQ,IAAI,CAACC,2BAA2B,CAACD,QAAD,CAA5C,EAAwD;AACtDiiB,2BAAS,GAAGjiB,QAAZ;AACD,iBAFD,MAEO;AACLiiB,2BAAS,GAAG/pB,aAAY,CAACC,MAAb,CAAoBnQ,SAApB,EAA+BiY,2BAA/B,CAAZ;AACD;AACF,eAXD,MAWO;AACL;AACAgiB,yBAAS,GAAGj6B,SAAS,CAACkf,OAAO,GAAG,CAAX,CAArB;AACD;;AACD,kBAAI+a,SAAJ,EAAe;AACb95C,oBAAI,GAAG85C,SAAP;AACA38C,qBAAK,GAAG28C,SAAS,CAAC38C,KAAlB,CAFa,CAGb;;AACA,oBAAIy6B,YAAY,IAAI53B,IAAI,CAACye,KAAL,KAAemZ,YAAY,CAACnZ,KAA5C,IAAqDze,IAAI,CAAC8I,EAAL,KAAY8uB,YAAY,CAAC9uB,EAAlF,EAAsF;AACpF,sBAAI9I,IAAI,CAAC8I,EAAL,GAAUywC,YAAY,CAAC35B,KAA3B,EAAkC;AAChC5f,wBAAI,GAAG6f,SAAS,CAAC7f,IAAI,CAAC8I,EAAL,GAAU,CAAV,GAAcywC,YAAY,CAACt5B,OAA5B,CAAhB;AACA5wB,oCAAM,CAACC,GAAP,qCAA6C0Q,IAAI,CAAC8I,EAAlD;AACD,mBAHD,MAGO;AACL9I,wBAAI,GAAG,IAAP;AACD;AACF;AACF;AACF;;AACD,cAAIA,IAAJ,EAAU;AACR;AACA,gBAAIA,IAAI,CAACm/B,SAAT,EAAoB;AAClB9vC,8BAAM,CAACC,GAAP,sBAA8B0Q,IAAI,CAAC8I,EAAnC,aAA6CywC,YAAY,CAACt5B,OAA1D,UAAsEs5B,YAAY,CAAC35B,KAAnF,gBAAmG7H,OAAnG;AACA,mBAAKnU,KAAL,GAAa43B,KAAK,CAAChgB,WAAnB;AACAM,iBAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACsrB,WAAlB,EAA+B;AAAExb,oBAAI,EAAEA;AAAR,eAA/B;AACD,aAJD,MAIO;AACL3Q,8BAAM,CAACC,GAAP,cAAsB0Q,IAAI,CAAC8I,EAA3B,cAAsC9I,IAAI,CAACqe,EAA3C,aAAqDk7B,YAAY,CAACt5B,OAAlE,UAA8Es5B,YAAY,CAAC35B,KAA3F,gBAA2G7H,OAA3G,sBAAmIzU,GAAnI,mBAAoJguB,SAAS,CAACoE,OAAV,CAAkB,CAAlB,CAApJ,EADK,CAEL;AACA;;AACA,mBAAK6G,WAAL,GAAmBv8B,IAAnB;;AACA,kBAAI05C,WAAW,IAAI,KAAKphB,eAAL,CAAqB9I,QAArB,CAA8BxvB,IAA9B,MAAwCqtB,aAAa,CAACC,UAAzE,EAAqF;AACnF,oBAAIttB,IAAI,CAAC8I,EAAL,KAAY,aAAhB,EAA+B;AAC7B,uBAAKg1B,kBAAL,GAA0B,IAA1B;AACD;;AACD,oBAAI,0CAAgB99B,IAAI,CAAC8I,EAArB,CAAJ,EAA8B;AAC5B,uBAAKk0B,gBAAL,GAAwBh9B,IAAI,CAAC7C,KAAL,GAAa6C,IAAI,CAACpM,QAA1C;AACD;;AAEDkoB,mBAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAAC6qB,YAAlB,EAAgC;AAAE/a,sBAAI,EAAJA;AAAF,iBAAhC;AACA,qBAAK4D,KAAL,GAAa43B,KAAK,CAACzgB,YAAnB;AACD;AACF;AACF;AACF;;AACD;;AACF,WAAKygB,KAAK,CAACM,aAAX;AACEvpC,aAAK,GAAG,KAAKyW,MAAL,CAAY,KAAK+O,OAAjB,CAAR,CADF,CAEE;;AACA,YAAIxlB,KAAK,IAAIA,KAAK,CAAChC,OAAnB,EAA4B;AAC1B,eAAKqT,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACD;;AAED;;AACF,WAAKH,KAAK,CAACK,0BAAX;AACE,YAAInqB,GAAG,GAAGC,mCAAW,CAACD,GAAZ,EAAV;AACA,YAAIysB,SAAS,GAAG,KAAKA,SAArB;AACA/Z,aAAK,GAAG,KAAKA,KAAb;AACA,YAAI21B,SAAS,GAAG31B,KAAK,IAAIA,KAAK,CAACuU,OAA/B,CAJF,CAKE;;AACA,YAAI,CAACwF,SAAD,IAAezsB,GAAG,IAAIysB,SAAtB,IAAoC4b,SAAxC,EAAmD;AACjD1qD,0BAAM,CAACC,GAAP,CAAW,qEAAX;AACA,eAAKsU,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACD;;AACD;;AACF,WAAKH,KAAK,CAACU,gBAAX;AACE,YAAMkd,YAAY,GAAG,KAAKA,YAA1B;;AACA,YAAI,KAAK1sC,OAAL,CAAa0sC,YAAb,MAA+B9qD,SAAnC,EAA8C;AAC5C;AACD,SAJH,CAME;;;AACA,YAAM0rD,WAAW,GAAG,KAAKb,eAAzB;;AACA,YAAIa,WAAJ,EAAiB;AACf,cAAMC,aAAa,GAAGD,WAAW,CAACh6C,IAAZ,CAAiBqe,EAAvC;;AACA,cAAI+6B,YAAY,KAAKa,aAArB,EAAoC;AAClC1nD,iBAAK,GAAG,KAAKyW,MAAL,CAAY,KAAK+O,OAAjB,CAAR;;AACA,gBAAIxlB,KAAK,CAAChC,OAAN,IAAiBgC,KAAK,CAAChC,OAAN,CAAcuvB,IAAnC,EAAyC;AACvCzwB,8BAAM,CAACgN,IAAP,2BAAoC49C,aAApC,yCAAqFb,YAArF;AACA,mBAAKD,eAAL,GAAuB,IAAvB;AACA,mBAAKv1C,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACD;AACF,WAPD,MAOO;AACL,iBAAK/3B,KAAL,GAAa43B,KAAK,CAACzgB,YAAnB;AACA,iBAAK0U,YAAL,CAAkB,KAAK0pB,eAAvB;AACA,iBAAKA,eAAL,GAAuB,IAAvB;AACD;AACF,SAdD,MAcO;AACL,eAAKv1C,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACD;;AAED;;AACF,WAAKH,KAAK,CAACC,OAAX;AACA,WAAKD,KAAK,CAACzgB,YAAX;AACA,WAAKygB,KAAK,CAACO,OAAX;AACA,WAAKP,KAAK,CAACQ,MAAX;AACA,WAAKR,KAAK,CAACS,KAAX;AACE;;AACF;AACE;AA1PF;AA4PD,G;;SAED0F,e,GAAA,yBAAiB14C,IAAjB,EAAuB;AACrB,QAAIm7B,KAAK,GAAG,KAAKA,KAAL,GAAa,KAAKuY,WAAL,GAAmB1zC,IAAI,CAACm7B,KAAjD;AACA,SAAKwd,UAAL,GAAkB,KAAKlF,cAAL,CAAoBtjC,IAApB,CAAyB,IAAzB,CAAlB;AACA,SAAK2oC,QAAL,GAAgB,KAAK7E,YAAL,CAAkB9jC,IAAlB,CAAuB,IAAvB,CAAhB;AACAgrB,SAAK,CAAC7Q,gBAAN,CAAuB,SAAvB,EAAkC,KAAKquB,UAAvC;AACAxd,SAAK,CAAC7Q,gBAAN,CAAuB,OAAvB,EAAgC,KAAKwuB,QAArC;AACA,QAAIpzC,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAI,KAAKqa,MAAL,IAAera,MAAM,CAACqzC,aAA1B,EAAyC;AACvC,WAAK3F,SAAL,CAAe1tC,MAAM,CAACsuC,aAAtB;AACD;AACF,G;;SAEDgF,gB,GAAA,4BAAoB;AAClB,QAAI7d,KAAK,GAAG,KAAKA,KAAjB;;AACA,QAAIA,KAAK,IAAIA,KAAK,CAACgV,KAAnB,EAA0B;AACxB/pC,sBAAM,CAACC,GAAP,CAAW,oDAAX;AACA,WAAK2tC,aAAL,GAAqB,KAAKpE,eAAL,GAAuB,CAA5C;AACD,KALiB,CAOlB;;;AACA,QAAIzU,KAAJ,EAAW;AACTA,WAAK,CAACyO,mBAAN,CAA0B,SAA1B,EAAqC,KAAK+O,UAA1C;AACAxd,WAAK,CAACyO,mBAAN,CAA0B,OAA1B,EAAmC,KAAKkP,QAAxC;AACA,WAAKH,UAAL,GAAkB,KAAKC,SAAL,GAAiB,KAAKE,QAAL,GAAgB,IAAnD;AACD;;AACD,SAAK3d,KAAL,GAAa,KAAKuY,WAAL,GAAmB,KAAKmH,WAAL,GAAmB,IAAnD;AACA,SAAK/G,cAAL,GAAsB,KAAtB;AACA,SAAKzE,eAAL,CAAqBxI,kBAArB;AACA,SAAKwM,QAAL;AACD,G;;SAED4d,oB,GAAA,8BAAsBjxD,IAAtB,EAA4B;AAC1BoG,oBAAM,CAACC,GAAP,CAAW,sBAAX;AACA,SAAK0Z,MAAL,GAAc/f,IAAI,CAACohC,WAAnB;AACD,G;;SAEDuZ,qB,GAAA,+BAAuB36C,IAAvB,EAA6B;AAC3B;AACA,QAAI20C,QAAQ,GAAG,CAAC,CAAC30C,IAAI,CAACmsB,GAAtB;AACA,SAAK2C,OAAL,GAAe9uB,IAAI,CAAC8K,EAApB;AAEA,SAAKwoC,WAAL,GAAmB,IAAnB;AACA,SAAK34B,KAAL,GAAa43B,KAAK,CAACI,MAAnB;AACA,SAAKud,eAAL,GAAuB,IAAvB,CAP2B,CAQ3B;;AACA,QAAI,CAACvb,QAAL,EAAe;AACb,UAAI,KAAK9rB,OAAT,EAAkB;AAChB,aAAKA,OAAL,CAAazjB,OAAb;AACA,aAAKyjB,OAAL,GAAe,IAAf;AACD;AACF,KALD,MAKO;AACL;AACA,WAAKqpB,WAAL,CAAiBoC,qCAAjB;AACD,KAjB0B,CAmB3B;;;AACA,QAAIK,QAAJ,EAAc;AACZ,WAAK8b,WAAL,GAAmB,IAAnB,CADY,CAEZ;;AACA,WAAK91C,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACD;;AACD,SAAKb,IAAL;AACD,G;;SAEDod,kB,GAAA,4BAAoBjvD,IAApB,EAA0B;AACxB,QAAIkrC,UAAU,GAAGlrC,IAAI,CAACsH,OAAtB;AAAA,QACEwnB,OAAO,GAAG9uB,IAAI,CAAC8K,EADjB;AAAA,QAEExB,KAAK,GAAG,KAAKyW,MAAL,CAAY+O,OAAZ,CAFV;AAAA,QAGEnkB,QAAQ,GAAGugC,UAAU,CAAC/T,aAHxB;AAAA,QAIEuW,OAAO,GAAG,CAJZ;AAMAtnC,oBAAM,CAACC,GAAP,YAAoByoB,OAApB,iBAAuCoc,UAAU,CAAClU,OAAlD,SAA6DkU,UAAU,CAACvU,KAAxE,mBAA2FhsB,QAA3F;;AAEA,QAAIugC,UAAU,CAACrU,IAAf,EAAqB;AACnB,UAAIwW,UAAU,GAAG/jC,KAAK,CAAChC,OAAvB;;AACA,UAAI+lC,UAAU,IAAInC,UAAU,CAACtU,SAAX,CAAqB7zB,MAArB,GAA8B,CAAhD,EAAmD;AACjD;AACAy2C,oBAAA,CAAyBnM,UAAzB,EAAqCnC,UAArC;AACAwC,eAAO,GAAGxC,UAAU,CAACtU,SAAX,CAAqB,CAArB,EAAwB1iB,KAAlC,CAHiD,CAIjD;AACA;;AACA,YAAIg3B,UAAU,CAACH,QAAf,EAAyB;AACvB3kC,0BAAM,CAACC,GAAP,kCAA0CqnC,OAAO,CAACjB,OAAR,CAAgB,CAAhB,CAA1C;AACD,SAFD,MAEO;AACLrmC,0BAAM,CAACC,GAAP,CAAW,qDAAX;AACD;AACF,OAXD,MAWO;AACL6kC,kBAAU,CAACH,QAAX,GAAsB,KAAtB;AACA3kC,wBAAM,CAACC,GAAP,CAAW,mDAAX;AACD;AACF,KAjBD,MAiBO;AACL6kC,gBAAU,CAACH,QAAX,GAAsB,KAAtB;AACD;;AACDzhC,SAAK,CAAChC,OAAN,GAAgB4jC,UAAhB,CA7BwB,CA+BxB;;AACA,QAAI,CAAC,KAAK2J,kBAAV,EAA8B;AAC9B;AACE,UAAI,KAAKb,aAAL,KAAuB,CAAC,CAA5B,EAA+B;AAC7B;AACA,YAAI/c,eAAe,GAAGiU,UAAU,CAACjU,eAAjC;;AACA,YAAI,0CAAgBA,eAAhB,CAAJ,EAAsC;AACpC7wB,0BAAM,CAACC,GAAP,mEAA2E4wB,eAA3E;AACA,eAAK+c,aAAL,GAAqB/c,eAArB;AACD,SAHD,MAGO;AACL,cAAIiU,UAAU,CAACrU,IAAf,EAAqB;AACnB,iBAAKmd,aAAL,GAAqB,KAAKE,mBAAL,CAAyBxG,OAAzB,EAAkCxC,UAAlC,CAArB;AACA9kC,4BAAM,CAACC,GAAP,+CAAuD,KAAK2tC,aAA5D;AACD,WAHD,MAGO;AACL,iBAAKA,aAAL,GAAqB,CAArB;AACD;AACF;AACF;;AACD,WAAKD,gBAAL,GAAwB,KAAKC,aAA7B;AACD,KAlDuB,CAmDxB;;;AACA,QAAI,KAAKr5B,KAAL,KAAe43B,KAAK,CAACM,aAAzB,EAAwC;AACtC,WAAKl4B,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACD,KAtDuB,CAwDxB;;;AACA,SAAKb,IAAL;AACD,G;;SAED4H,W,GAAA,uBAAe;AACb,QAAI,KAAK9+B,KAAL,KAAe43B,KAAK,CAAChgB,WAAzB,EAAsC;AACpC,WAAK5X,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACA,WAAKb,IAAL;AACD;AACF,G;;SAEDrL,Y,GAAA,sBAAcxmC,IAAd,EAAoB;AAClB,QAAIszC,WAAW,GAAG,KAAKA,WAAvB;AAAA,QACEoG,UAAU,GAAG15C,IAAI,CAAC+W,IADpB;;AAEA,QAAI,KAAK4D,KAAL,KAAe43B,KAAK,CAACzgB,YAArB,IACAwhB,WADA,IAEAoG,UAAU,CAACvyC,IAAX,KAAoB,OAFpB,IAGAuyC,UAAU,CAAClkB,KAAX,KAAqB8d,WAAW,CAAC9d,KAHjC,IAIAkkB,UAAU,CAAC75B,EAAX,KAAkByzB,WAAW,CAACzzB,EAJlC,EAIsC;AACpC,UAAIvW,KAAK,GAAG,KAAKyW,MAAL,CAAY,KAAK+O,OAAjB,CAAZ;AAAA,UACExnB,OAAO,GAAGgC,KAAK,CAAChC,OADlB;AAAA,UAEEqD,QAAQ,GAAGrD,OAAO,CAAC6vB,aAFrB;AAAA,UAGErI,OAAO,GAAGwkB,WAAW,CAAC9d,KAHxB;AAAA,UAIE3V,EAAE,GAAGyzB,WAAW,CAACzzB,EAJnB;AAAA,UAKEuV,EAAE,GAAGke,WAAW,CAACle,EALnB;AAAA,UAMExtB,UAAU,GAAG,KAAKlC,MAAL,CAAYo2C,iBAAZ,IAAiCxyC,KAAK,CAAC1B,UAAvC,IAAqD,WANpE;AAAA,UAOEwhB,KAAK,GAAG,KAAKA,KAAL,GAAappB,IAAI,CAACopB,KAP5B;;AAQA,UAAIvJ,EAAE,KAAK,aAAX,EAA0B;AACxB,aAAKlF,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AAEAtpB,aAAK,CAACwY,OAAN,GAAgBxY,KAAK,CAACwwB,SAAN,GAAkBlxB,mCAAW,CAACD,GAAZ,EAAlC;AACAnhB,eAAO,CAACmD,WAAR,CAAoBzK,IAApB,GAA2BA,IAAI,CAACsf,OAAhC;AACA,aAAKuT,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACirB,aAAvB,EAAsC;AAAE9I,eAAK,EAAEA,KAAT;AAAgBrS,cAAI,EAAEu8B,WAAtB;AAAmCxoC,YAAE,EAAE;AAAvC,SAAtC;AACA,aAAK+mC,IAAL;AACD,OAPD,MAOO;AACL,aAAKl3B,KAAL,GAAa43B,KAAK,CAACO,OAAnB,CADK,CAEL;;AACA,aAAKgH,QAAL,GAAgB,KAAhB;;AACA,YAAI,CAAC,KAAKjxB,OAAV,EAAmB;AACjB,eAAKA,OAAL,GAAe,IAAI+f,aAAJ,CAAY,KAAK/V,GAAjB,EAAsB,OAAtB,CAAf;AACD,SANI,CAQL;AACA;;;AACA,YAAIpP,OAAO,GAAG,KAAKA,OAAL,CAAa2R,EAAb,CAAd;AACA,YAAI2kB,eAAe,GAAGzyC,OAAO,CAACmD,WAAR,GAAsBnD,OAAO,CAACmD,WAAR,CAAoBzK,IAA1C,GAAiD,EAAvE;;AACA,YAAIsH,OAAO,CAACmD,WAAR,IAAuBgZ,OAAO,KAAKpe,SAAvC,EAAkD;AAChD,eAAKw0C,gBAAL,GAAwB,IAAxB;AACAzzC,0BAAM,CAACC,GAAP,eAAuBwZ,EAAvB,aAAiCvY,OAAO,CAAC0vB,OAAzC,UAAqD1vB,OAAO,CAACqvB,KAA7D,gBAA6E7H,OAA7E,EAFgD,CAGhD;;AACA,cAAInjB,kBAAkB,GAAG,KAAzB,CAJgD,CAIhB;;AAChC,eAAKkd,OAAL,CAAaze,IAAb,CAAkBpK,IAAI,CAACsf,OAAvB,EAAgCy6B,eAAhC,EAAiDnyC,UAAjD,EAA6D,IAA7D,EAAmE0rC,WAAnE,EAAgF3oC,QAAhF,EAA0FgB,kBAA1F,EAA8G8X,OAA9G;AACD,SAND,MAMO;AACLrd,0BAAM,CAACC,GAAP,+CAAuD+uB,EAAvD,2DAA+GvV,EAA/G,aAAyHvY,OAAO,CAAC0vB,OAAjI,UAA6I1vB,OAAO,CAACqvB,KAArJ,gBAAqK7H,OAArK;AACA,eAAKohC,eAAL,GAAuBlwD,IAAvB;AACA,eAAK2a,KAAL,GAAa43B,KAAK,CAACU,gBAAnB;AACD;AACF;AACF;;AACD,SAAK2B,aAAL,GAAqB,CAArB;AACD,G;;SAEDqF,wB,GAAA,kCAA0Bj6C,IAA1B,EAAgC;AAC9B,QAAMszC,WAAW,GAAG,KAAKA,WAAzB;AACA,QAAM4G,OAAO,GAAGl6C,IAAI,CAAC+W,IAArB;;AACA,QAAIu8B,WAAW,IACXtzC,IAAI,CAAC8K,EAAL,KAAY,OADZ,IAEAovC,OAAO,CAACr6B,EAAR,KAAeyzB,WAAW,CAACzzB,EAF3B,IAGAq6B,OAAO,CAAC1kB,KAAR,KAAkB8d,WAAW,CAAC9d,KAH9B,IAIA,KAAK7a,KAAL,KAAe43B,KAAK,CAACO,OAJzB,EAIkC;AAChC,UAAI/yB,MAAM,GAAG/f,IAAI,CAAC+f,MAAlB;AAAA,UAA0BzW,KAA1B,CADgC,CAGhC;;AACA,UAAIyW,MAAM,CAACtN,KAAX,EAAkB;AAChB,eAAOsN,MAAM,CAACtN,KAAd;AACD,OAN+B,CAQhC;;;AACAnJ,WAAK,GAAGyW,MAAM,CAACrN,KAAf;;AACA,UAAIpJ,KAAJ,EAAW;AACTA,aAAK,CAAC+wC,UAAN,GAAmB/wC,KAAK,CAACV,KAAzB;AACAU,aAAK,CAACwB,EAAN,GAAW9K,IAAI,CAAC8K,EAAhB;AACA,aAAK+nB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACkpB,aAAvB,EAAsCpQ,MAAtC;AACA3Z,wBAAM,CAACC,GAAP,kCAA0CiD,KAAK,CAACuB,SAAhD,+BAAmFvB,KAAK,CAAC+wC,UAAzF,SAAuG/wC,KAAK,CAACV,KAA7G;AACA,YAAI6B,WAAW,GAAGnB,KAAK,CAACmB,WAAxB;;AACA,YAAIA,WAAJ,EAAiB;AACf,cAAIymD,SAAS,GAAG;AAAE/pD,gBAAI,EAAE,OAAR;AAAiBnH,gBAAI,EAAEyK,WAAvB;AAAoC6vC,kBAAM,EAAE,OAA5C;AAAqDC,mBAAO,EAAE;AAA9D,WAAhB;;AACA,cAAI,KAAKkW,WAAT,EAAsB;AACpB,iBAAKU,WAAL,GAAmB,CAACD,SAAD,CAAnB;AACD,WAFD,MAEO;AACL,iBAAKpX,QAAL,GAAgB,IAAhB,CADK,CAEL;;AACA,iBAAKD,gBAAL,GAAwB,IAAxB;AACA,iBAAKhnB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACopB,gBAAvB,EAAyC6gC,SAAzC;AACD;AACF,SAhBQ,CAiBT;;;AACA,aAAKrf,IAAL;AACD;AACF;AACF,G;;SAED2I,iB,GAAA,2BAAmBx6C,IAAnB,EAAyB;AAAA;;AACvB,QAAMszC,WAAW,GAAG,KAAKA,WAAzB;AACA,QAAM4G,OAAO,GAAGl6C,IAAI,CAAC+W,IAArB;;AACA,QAAIu8B,WAAW,IACXtzC,IAAI,CAAC8K,EAAL,KAAY,OADZ,IAEA9K,IAAI,CAACmH,IAAL,KAAc,OAFd,IAGA+yC,OAAO,CAACr6B,EAAR,KAAeyzB,WAAW,CAACzzB,EAH3B,IAIAq6B,OAAO,CAAC1kB,KAAR,KAAkB8d,WAAW,CAAC9d,KAJ9B,IAKA,KAAK7a,KAAL,KAAe43B,KAAK,CAACO,OALzB,EAKkC;AAChC,UAAIhkB,OAAO,GAAG,KAAKA,OAAnB;AAAA,UACExlB,KAAK,GAAG,KAAKyW,MAAL,CAAY+O,OAAZ,CADV;AAAA,UAEE+D,GAAG,GAAG,KAAKA,GAFb;;AAIA,UAAI,CAAC,0CAAgB7yB,IAAI,CAAC8iB,MAArB,CAAL,EAAmC;AACjC9iB,YAAI,CAAC8iB,MAAL,GAAc9iB,IAAI,CAAC+iB,QAAL,GAAgBuwB,WAAW,CAAC3oC,QAA1C;AACA3K,YAAI,CAAC0mB,MAAL,GAAc1mB,IAAI,CAACymB,QAAL,GAAgB6sB,WAAW,CAAC3oC,QAA1C;AACD;;AAED2oC,iBAAW,CAACrd,mBAAZ,CAAgC1B,qBAAqB,CAACM,KAAtD;AAEAzuB,sBAAM,CAACC,GAAP,aAAqBrG,IAAI,CAACmH,IAA1B,cAAuCnH,IAAI,CAAC+iB,QAAL,CAAc0pB,OAAd,CAAsB,CAAtB,CAAvC,SAAmEzsC,IAAI,CAAC8iB,MAAL,CAAY2pB,OAAZ,CAAoB,CAApB,CAAnE,eAAmGzsC,IAAI,CAACymB,QAAL,CAAcgmB,OAAd,CAAsB,CAAtB,CAAnG,SAA+HzsC,IAAI,CAAC0mB,MAAL,CAAY+lB,OAAZ,CAAoB,CAApB,CAA/H,aAA6JzsC,IAAI,CAAC6mB,EAAlK;AACA2yB,sBAAA,CAA6BlwC,KAAK,CAAChC,OAAnC,EAA4CgsC,WAA5C,EAAyDtzC,IAAI,CAAC+iB,QAA9D,EAAwE/iB,IAAI,CAAC8iB,MAA7E;AAEA,UAAI2tC,WAAW,GAAG,KAAKA,WAAvB;AAAA,UAAoCt1B,KAAK,GAAG,KAAKA,KAAjD;AAAA,UAAwDi2B,mBAAmB,GAAG,KAA9E,CAfgC,CAgBhC;;AACA,UAAIX,WAAJ,EAAiB;AACf,YAAIt1B,KAAK,IAAIA,KAAK,CAACsb,UAAnB,EAA+B;AAC7B,cAAIjO,WAAW,GAAGrN,KAAK,CAACqN,WAAxB;AACApiC,0BAAM,CAACC,GAAP,CAAW,yCAAyCmiC,WAApD;;AACA,cAAIA,WAAW,IAAIxoC,IAAI,CAAC+iB,QAAxB,EAAkC;AAChC3c,4BAAM,CAACC,GAAP,CAAW,4CAAX;AACA,iBAAKsU,KAAL,GAAa43B,KAAK,CAAC/hB,eAAnB;AACAqC,eAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACupB,eAAlB,EAAmC;AAAElV,yBAAW,EAAE,CAAf;AAAkBk9B,uBAAS,EAAE3gB,MAAM,CAACkgB,iBAApC;AAAuD5wC,kBAAI,EAAE;AAA7D,aAAnC;AACAiqD,+BAAmB,GAAG,IAAtB,CAJgC,CAKhC;;AACA,iBAAKX,WAAL,GAAmB,KAAnB;AACA59B,eAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACqqB,oBAAlB,EAAwC;AAAExmB,gBAAE,EAAEgkB;AAAN,aAAxC;AACD;AACF,SAZD,MAYO;AACL;AACA,eAAK2hC,WAAL,GAAmB,KAAnB;AACA59B,aAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACqqB,oBAAlB,EAAwC;AAAExmB,cAAE,EAAEgkB;AAAN,WAAxC;AACD;AACF;;AAED,UAAIqiC,WAAW,GAAG,KAAKA,WAAvB;;AAEA,UAAI,CAACA,WAAL,EAAkB;AAChB/qD,wBAAM,CAACgN,IAAP,CAAY,uFAAZ;AACAyf,WAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AAAEC,cAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,iBAAO,EAAE,IAAzC;AAA+CG,eAAK,EAAE;AAAtD,SAAzB;AACA;AACD;;AAED,UAAI,CAAC,KAAKgpD,WAAV,EAAuB;AACrB,SAACzwD,IAAI,CAACumB,KAAN,EAAavmB,IAAI,CAACwmB,KAAlB,EAAyBhO,OAAzB,CAAiC,UAAAjY,MAAM,EAAI;AACzC,cAAIA,MAAM,IAAIA,MAAM,CAACwC,MAArB,EAA6B;AAC3BouD,uBAAW,CAAC/mD,IAAZ,CAAiB;AAAEjD,kBAAI,EAAEnH,IAAI,CAACmH,IAAb;AAAmBnH,kBAAI,EAAEO,MAAzB;AAAiC+5C,oBAAM,EAAE,OAAzC;AAAkDC,qBAAO,EAAE;AAA3D,aAAjB;AACD;AACF,SAJD;;AAKA,YAAI,CAAC6W,mBAAD,IAAwBD,WAAW,CAACpuD,MAAxC,EAAgD;AAC9CouD,qBAAW,CAAC34C,OAAZ,CAAoB,UAAA04C,SAAS,EAAI;AAC/B;AACA;AACA,gBAAI,MAAI,CAACv2C,KAAL,KAAe43B,KAAK,CAACO,OAAzB,EAAkC;AAChC;AACA,oBAAI,CAAC+G,gBAAL,GAAwB,IAAxB;;AACA,oBAAI,CAAChnB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACopB,gBAAvB,EAAyC6gC,SAAzC;AACD;AACF,WARD;AASA,eAAKC,WAAL,GAAmB,EAAnB;AACA,eAAKrX,QAAL,GAAgB,IAAhB;AACD;AACF,OAhE+B,CAiEhC;;;AACA,WAAKjI,IAAL;AACD;AACF,G;;SAED4I,Y,GAAA,sBAAcz6C,IAAd,EAAoB;AAClB,QAAMszC,WAAW,GAAG,KAAKA,WAAzB;AACA,QAAM4G,OAAO,GAAGl6C,IAAI,CAAC+W,IAArB;;AACA,QAAIu8B,WAAW,IACXtzC,IAAI,CAAC8K,EAAL,KAAY,OADZ,IAEAovC,OAAO,CAACr6B,EAAR,KAAeyzB,WAAW,CAACzzB,EAF3B,IAGAq6B,OAAO,CAAC1kB,KAAR,KAAkB8d,WAAW,CAAC9d,KAH9B,IAIA,KAAK7a,KAAL,KAAe43B,KAAK,CAACO,OAJzB,EAIkC;AAChC,WAAK1pB,KAAL,CAAWwY,OAAX,GAAqBlZ,mCAAW,CAACD,GAAZ,EAArB;AACA,WAAK9N,KAAL,GAAa43B,KAAK,CAACQ,MAAnB;;AACA,WAAK2H,oBAAL;AACD;AACF,G;;SAEDiO,a,GAAA,yBAAiB;AACf;AACA,SAAKjV,WAAL,GAAmB,KAAKmH,WAAL,GAAmB,IAAtC;AACA,SAAK/G,cAAL,GAAsB,KAAtB;AACD,G;;SAEDgH,e,GAAA,yBAAiB96C,IAAjB,EAAuB;AACrB,QAAIwU,UAAU,GAAGxU,IAAI,CAAC+f,MAAL,CAAYrN,KAA7B;;AACA,QAAI8B,UAAJ,EAAgB;AACd,WAAKk/B,WAAL,GAAmBl/B,UAAU,CAACjU,MAA9B;AACA,WAAKuzC,cAAL,GAAsB,IAAtB;AACD;;AACD,QAAI9zC,IAAI,CAAC+f,MAAL,CAAYtN,KAAhB,EAAuB;AACrB,WAAKooC,WAAL,GAAmB76C,IAAI,CAAC+f,MAAL,CAAYtN,KAAZ,CAAkBlS,MAArC;AACD;AACF,G;;SAEDmmC,gB,GAAA,0BAAkB1mC,IAAlB,EAAwB;AACtB,QAAIA,IAAI,CAACs6C,MAAL,KAAgB,OAApB,EAA6B;AAC3B,UAAM3/B,KAAK,GAAG,KAAKA,KAAnB;;AACA,UAAIA,KAAK,KAAK43B,KAAK,CAACO,OAAhB,IAA2Bn4B,KAAK,KAAK43B,KAAK,CAACQ,MAA/C,EAAuD;AACrD;AACA,aAAK8G,gBAAL,GAAyB75C,IAAI,CAACi7C,OAAL,GAAe,CAAxC;;AACA,aAAKP,oBAAL;AACD;AACF;AACF,G;;SAEDA,oB,GAAA,gCAAwB;AACtB;AACA,QAAI,KAAK//B,KAAL,KAAe43B,KAAK,CAACQ,MAArB,KAAgC,CAAC,KAAK+G,QAAN,IAAkB,CAAC,KAAKD,gBAAxD,CAAJ,EAA+E;AAC7E,UAAI9iC,IAAI,GAAG,KAAKu8B,WAAhB;AAAA,UAA6BlqB,KAAK,GAAG,KAAKA,KAA1C;AAAA,UAAiDyJ,GAAG,GAAG,KAAKA,GAA5D;;AACA,UAAI9b,IAAJ,EAAU;AACR,aAAK43B,YAAL,GAAoB53B,IAApB;AACAqS,aAAK,CAACwwB,SAAN,GAAkBlxB,mCAAW,CAACD,GAAZ,EAAlB;AACAoK,WAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACirB,aAAlB,EAAiC;AAAE9I,eAAK,EAAEA,KAAT;AAAgBrS,cAAI,EAAEA,IAAtB;AAA4BjM,YAAE,EAAE;AAAhC,SAAjC;AACA,YAAIqwB,KAAK,GAAG,KAAKuY,WAAL,GAAmB,KAAKA,WAAxB,GAAsC,KAAKvY,KAAvD;;AACA,YAAIA,KAAJ,EAAW;AACT/0B,0BAAM,CAACC,GAAP,uBAA+BkmC,WAAU,CAAC9yB,QAAX,CAAoB0hB,KAAK,CAAC8J,QAA1B,CAA/B;AACD;;AACD,YAAI,KAAKwrB,WAAL,IAAoB,KAAK3W,QAA7B,EAAuC;AACrC,eAAK2W,WAAL,GAAmB,KAAnB;AACA59B,aAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACqqB,oBAAlB,EAAwC;AAAExmB,cAAE,EAAE,KAAKgkB;AAAX,WAAxC;AACD;;AACD,aAAKnU,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACD;;AACD,WAAKb,IAAL;AACD;AACF,G;;SAEDtR,O,GAAA,iBAASvgC,IAAT,EAAe;AACb,QAAI+W,IAAI,GAAG/W,IAAI,CAAC+W,IAAhB,CADa,CAEb;;AACA,QAAIA,IAAI,IAAIA,IAAI,CAAC5P,IAAL,KAAc,OAA1B,EAAmC;AACjC;AACD;;AAED,YAAQnH,IAAI,CAACsH,OAAb;AACA,WAAKC,sBAAY,CAACo8B,eAAlB;AACA,WAAKp8B,sBAAY,CAACq8B,iBAAlB;AACE,YAAM7sB,KAAI,GAAG/W,IAAI,CAAC+W,IAAlB,CADF,CAEE;;AACA,YAAIA,KAAI,IAAIA,KAAI,CAAC5P,IAAL,KAAc,OAA1B,EAAmC;AACjC;AACD;;AAED,YAAI,CAACnH,IAAI,CAACyH,KAAV,EAAiB;AACf,cAAIk1C,SAAS,GAAG,KAAK/H,aAArB;;AACA,cAAI+H,SAAJ,EAAe;AACbA,qBAAS;AACV,WAFD,MAEO;AACLA,qBAAS,GAAG,CAAZ;AACD;;AAED,cAAMj3C,MAAM,GAAG,KAAKA,MAApB;;AACA,cAAIi3C,SAAS,IAAIj3C,MAAM,CAAC21C,mBAAxB,EAA6C;AAC3C,iBAAKzG,aAAL,GAAqB+H,SAArB,CAD2C,CAE3C;;AACA,gBAAMrB,KAAK,GAAG1tC,IAAI,CAACC,GAAL,CAASD,IAAI,CAACiO,GAAL,CAAS,CAAT,EAAY8gC,SAAS,GAAG,CAAxB,IAA6Bj3C,MAAM,CAACu+B,qBAA7C,EAAoEv+B,MAAM,CAAC89B,0BAA3E,CAAd;AACAp9B,4BAAM,CAACgN,IAAP,2DAAoEkoC,KAApE;AACA,iBAAKpG,SAAL,GAAiBxsB,mCAAW,CAACD,GAAZ,KAAoB6yB,KAArC,CAL2C,CAM3C;;AACA,iBAAK3gC,KAAL,GAAa43B,KAAK,CAACK,0BAAnB;AACD,WARD,MAQO;AACLxsC,4BAAM,CAACU,KAAP,6BAAuC9G,IAAI,CAACsH,OAA5C,kDADK,CAEL;;AACAtH,gBAAI,CAACyH,KAAL,GAAa,IAAb;AACA,iBAAKkT,KAAL,GAAa43B,KAAK,CAACrrC,KAAnB;AACD;AACF;;AACD;;AACF,WAAKK,sBAAY,CAACo7B,sBAAlB;AACA,WAAKp7B,sBAAY,CAACm7B,wBAAlB;AACA,WAAKn7B,sBAAY,CAAC28B,cAAlB;AACA,WAAK38B,sBAAY,CAAC48B,gBAAlB;AACE;AACA,YAAI,KAAKxpB,KAAL,KAAe43B,KAAK,CAACrrC,KAAzB,EAAgC;AAC9B;AACA,eAAKyT,KAAL,GAAa3a,IAAI,CAACyH,KAAL,GAAa8qC,KAAK,CAACrrC,KAAnB,GAA2BqrC,KAAK,CAACG,IAA9C;AACAtsC,0BAAM,CAACgN,IAAP,6BAAsCpT,IAAI,CAACsH,OAA3C,8CAA2F,KAAKqT,KAAhG;AACD;;AACD;;AACF,WAAKpT,sBAAY,CAACi0C,iBAAlB;AACE;AACA,YAAIx7C,IAAI,CAACs6C,MAAL,KAAgB,OAAhB,KAA4B,KAAK3/B,KAAL,KAAe43B,KAAK,CAACO,OAArB,IAAgC,KAAKn4B,KAAL,KAAe43B,KAAK,CAACQ,MAAjF,CAAJ,EAA8F;AAC5F,cAAM5X,KAAK,GAAG,KAAKuY,WAAnB;AAAA,cACElL,WAAW,GAAG,KAAKrN,KAAL,CAAWqN,WAD3B;AAAA,cAEE4S,aAAa,GAAGjgB,KAAK,IAAIoM,YAAY,CAACC,UAAb,CAAwBrM,KAAxB,EAA+BqN,WAA/B,CAAT,IAAwDjB,YAAY,CAACC,UAAb,CAAwBrM,KAAxB,EAA+BqN,WAAW,GAAG,GAA7C,CAF1E,CAD4F,CAI1F;;AACF,cAAI4S,aAAJ,EAAmB;AACjB,gBAAM11C,OAAM,GAAG,KAAKA,MAApB;;AACA,gBAAIA,OAAM,CAACkwC,kBAAP,IAA6BlwC,OAAM,CAACiwC,eAAxC,EAAyD;AACvD;AACAjwC,qBAAM,CAACkwC,kBAAP,IAA6B,CAA7B;AACAxvC,8BAAM,CAACgN,IAAP,yDAAkE1N,OAAM,CAACkwC,kBAAzE;AACD;;AACD,iBAAKj7B,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACD,WARD,MAQO;AACL;AACA;AACA;AACAtsC,4BAAM,CAACgN,IAAP,CAAY,qGAAZ;AACA,iBAAKkgC,WAAL,GAAmB,IAAnB,CALK,CAML;;AACA,iBAAK34B,KAAL,GAAa43B,KAAK,CAAC/hB,eAAnB;AACA,iBAAKqC,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACupB,eAAvB,EAAwC;AAAElV,yBAAW,EAAE,CAAf;AAAkBk9B,uBAAS,EAAE3gB,MAAM,CAACkgB,iBAApC;AAAuD5wC,kBAAI,EAAE;AAA7D,aAAxC;AACD;AACF;;AACD;;AACF;AACE;AAzEF;AA2ED,G;;SAEDy0C,e,GAAA,2BAAmB;AAAA;;AACjB,QAAIuV,WAAW,GAAG,KAAKA,WAAvB;;AACA,QAAIA,WAAW,IAAIA,WAAW,CAACpuD,MAA/B,EAAuC;AACrCqD,sBAAM,CAACC,GAAP,CAAW,0EAAX;AACA8qD,iBAAW,CAAC34C,OAAZ,CAAoB,UAAA04C,SAAS,EAAI;AAC/B,cAAI,CAACr+B,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACopB,gBAAvB,EAAyC6gC,SAAzC;AACD,OAFD;AAGA,WAAKpX,QAAL,GAAgB,IAAhB;AACA,WAAKqX,WAAL,GAAmB,EAAnB;AACA,WAAKx2C,KAAL,GAAa43B,KAAK,CAACQ,MAAnB;AACD,KARD,MAQO;AACL;AACA,WAAKp4B,KAAL,GAAa43B,KAAK,CAACG,IAAnB,CAFK,CAGL;;AACA,WAAK/D,YAAL,GAAoB,IAApB;AACA,WAAKkD,IAAL;AACD;AACF,G;;;;sBA9tBUkK,S,EAAW;AACpB,UAAI,KAAKphC,KAAL,KAAeohC,SAAnB,EAA8B;AAC5B,YAAMC,aAAa,GAAG,KAAKrhC,KAA3B;AACA,aAAK85B,MAAL,GAAcsH,SAAd;AACA31C,wBAAM,CAACC,GAAP,mBAA2B21C,aAA3B,UAA6CD,SAA7C;AACD;AACF,K;wBAEY;AACX,aAAO,KAAKtH,MAAZ;AACD;;;;EA7EiCtB,2C;;AAmyBrB8c,yGAAf,E;;ACvzBA;;;;;;;;;;;;;;;AAgBe,4CAAC,YAAY;AAC1B,MAAI,OAAOzyB,MAAP,KAAkB,WAAlB,IAAiCA,MAAM,CAAC6iB,MAA5C,EAAoD;AAClD,WAAO7iB,MAAM,CAAC6iB,MAAd;AACD;;AAED,MAAIgR,WAAW,GAAG,MAAlB;AACA,MAAIC,gBAAgB,GAAG;AACrB,QAAI,IADiB;AAErBC,MAAE,EAAE,IAFiB;AAGrBC,MAAE,EAAE;AAHiB,GAAvB;AAKA,MAAIC,YAAY,GAAG;AACjBv9C,SAAK,EAAE,IADU;AAEjBw9C,UAAM,EAAE,IAFS;AAGjB5pC,OAAG,EAAE,IAHY;AAIjBs3B,QAAI,EAAE,IAJW;AAKjBC,SAAK,EAAE;AALU,GAAnB;;AAQA,WAASsS,oBAAT,CAA+Bl3C,KAA/B,EAAsC;AACpC,QAAI,OAAOA,KAAP,KAAiB,QAArB,EAA+B;AAC7B,aAAO,KAAP;AACD;;AAED,QAAIm3C,GAAG,GAAGN,gBAAgB,CAAC72C,KAAK,CAACtS,WAAN,EAAD,CAA1B;AACA,WAAOypD,GAAG,GAAGn3C,KAAK,CAACtS,WAAN,EAAH,GAAyB,KAAnC;AACD;;AAED,WAAS0pD,gBAAT,CAA2Bp3C,KAA3B,EAAkC;AAChC,QAAI,OAAOA,KAAP,KAAiB,QAArB,EAA+B;AAC7B,aAAO,KAAP;AACD;;AAED,QAAIq3C,KAAK,GAAGL,YAAY,CAACh3C,KAAK,CAACtS,WAAN,EAAD,CAAxB;AACA,WAAO2pD,KAAK,GAAGr3C,KAAK,CAACtS,WAAN,EAAH,GAAyB,KAArC;AACD;;AAED,WAAS4pD,MAAT,CAAiBC,GAAjB,EAAsB;AACpB,QAAItwD,CAAC,GAAG,CAAR;;AACA,WAAOA,CAAC,GAAG+d,SAAS,CAAC1c,MAArB,EAA6BrB,CAAC,EAA9B,EAAkC;AAChC,UAAIuwD,IAAI,GAAGxyC,SAAS,CAAC/d,CAAD,CAApB;;AACA,WAAK,IAAIwwD,CAAT,IAAcD,IAAd,EAAoB;AAClBD,WAAG,CAACE,CAAD,CAAH,GAASD,IAAI,CAACC,CAAD,CAAb;AACD;AACF;;AAED,WAAOF,GAAP;AACD;;AAED,WAAS3R,MAAT,CAAiBp3B,SAAjB,EAA4BC,OAA5B,EAAqCtW,IAArC,EAA2C;AACzC,QAAIotC,GAAG,GAAG,IAAV;AACA,QAAImS,OAAO,GAAG,EAAd;AAEAA,WAAO,CAACC,UAAR,GAAqB,IAArB;AAEA;;;;AAKA;AACA;AACA;;AACApS,OAAG,CAACqS,YAAJ,GAAmB,KAAnB;AAEA;;;;;AAKA,QAAIC,GAAG,GAAG,EAAV;AACA,QAAIC,YAAY,GAAG,KAAnB;AACA,QAAIC,UAAU,GAAGvpC,SAAjB;AACA,QAAIwpC,QAAQ,GAAGvpC,OAAf;AACA,QAAIwpC,KAAK,GAAG9/C,IAAZ;AACA,QAAI+/C,OAAO,GAAG,IAAd;AACA,QAAIC,SAAS,GAAG,EAAhB;AACA,QAAIC,YAAY,GAAG,IAAnB;AACA,QAAIC,KAAK,GAAG,MAAZ;AACA,QAAIC,UAAU,GAAG,OAAjB;AACA,QAAIC,SAAS,GAAG,EAAhB;AACA,QAAIC,cAAc,GAAG,QAArB;AACA,QAAIC,KAAK,GAAG,EAAZ;AACA,QAAIC,MAAM,GAAG,QAAb;AAEArvC,UAAM,CAACsvC,cAAP,CAAsBpT,GAAtB,EAA2B,IAA3B,EAAiC+R,MAAM,CAAC,EAAD,EAAKI,OAAL,EAAc;AACnDkB,SAAG,EAAE,eAAY;AACf,eAAOf,GAAP;AACD,OAHkD;AAInDxkD,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB63C,WAAG,GAAG,KAAK73C,KAAX;AACD;AANkD,KAAd,CAAvC;AASAqJ,UAAM,CAACsvC,cAAP,CAAsBpT,GAAtB,EAA2B,aAA3B,EAA0C+R,MAAM,CAAC,EAAD,EAAKI,OAAL,EAAc;AAC5DkB,SAAG,EAAE,eAAY;AACf,eAAOd,YAAP;AACD,OAH2D;AAI5DzkD,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB83C,oBAAY,GAAG,CAAC,CAAC93C,KAAjB;AACD;AAN2D,KAAd,CAAhD;AASAqJ,UAAM,CAACsvC,cAAP,CAAsBpT,GAAtB,EAA2B,WAA3B,EAAwC+R,MAAM,CAAC,EAAD,EAAKI,OAAL,EAAc;AAC1DkB,SAAG,EAAE,eAAY;AACf,eAAOb,UAAP;AACD,OAHyD;AAI1D1kD,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB,YAAI,OAAOA,KAAP,KAAiB,QAArB,EAA+B;AAC7B,gBAAM,IAAI64C,SAAJ,CAAc,qCAAd,CAAN;AACD;;AAEDd,kBAAU,GAAG/3C,KAAb;AACA,aAAK43C,YAAL,GAAoB,IAApB;AACD;AAXyD,KAAd,CAA9C;AAcAvuC,UAAM,CAACsvC,cAAP,CAAsBpT,GAAtB,EAA2B,SAA3B,EAAsC+R,MAAM,CAAC,EAAD,EAAKI,OAAL,EAAc;AACxDkB,SAAG,EAAE,eAAY;AACf,eAAOZ,QAAP;AACD,OAHuD;AAIxD3kD,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB,YAAI,OAAOA,KAAP,KAAiB,QAArB,EAA+B;AAC7B,gBAAM,IAAI64C,SAAJ,CAAc,mCAAd,CAAN;AACD;;AAEDb,gBAAQ,GAAGh4C,KAAX;AACA,aAAK43C,YAAL,GAAoB,IAApB;AACD;AAXuD,KAAd,CAA5C;AAcAvuC,UAAM,CAACsvC,cAAP,CAAsBpT,GAAtB,EAA2B,MAA3B,EAAmC+R,MAAM,CAAC,EAAD,EAAKI,OAAL,EAAc;AACrDkB,SAAG,EAAE,eAAY;AACf,eAAOX,KAAP;AACD,OAHoD;AAIrD5kD,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpBi4C,aAAK,GAAG,KAAKj4C,KAAb;AACA,aAAK43C,YAAL,GAAoB,IAApB;AACD;AAPoD,KAAd,CAAzC;AAUAvuC,UAAM,CAACsvC,cAAP,CAAsBpT,GAAtB,EAA2B,QAA3B,EAAqC+R,MAAM,CAAC,EAAD,EAAKI,OAAL,EAAc;AACvDkB,SAAG,EAAE,eAAY;AACf,eAAOV,OAAP;AACD,OAHsD;AAIvD7kD,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpBk4C,eAAO,GAAGl4C,KAAV;AACA,aAAK43C,YAAL,GAAoB,IAApB;AACD;AAPsD,KAAd,CAA3C;AAUAvuC,UAAM,CAACsvC,cAAP,CAAsBpT,GAAtB,EAA2B,UAA3B,EAAuC+R,MAAM,CAAC,EAAD,EAAKI,OAAL,EAAc;AACzDkB,SAAG,EAAE,eAAY;AACf,eAAOT,SAAP;AACD,OAHwD;AAIzD9kD,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB,YAAI84C,OAAO,GAAG5B,oBAAoB,CAACl3C,KAAD,CAAlC,CADoB,CAEpB;;AACA,YAAI84C,OAAO,KAAK,KAAhB,EAAuB;AACrB,gBAAM,IAAIC,WAAJ,CAAgB,6CAAhB,CAAN;AACD;;AAEDZ,iBAAS,GAAGW,OAAZ;AACA,aAAKlB,YAAL,GAAoB,IAApB;AACD;AAbwD,KAAd,CAA7C;AAgBAvuC,UAAM,CAACsvC,cAAP,CAAsBpT,GAAtB,EAA2B,aAA3B,EAA0C+R,MAAM,CAAC,EAAD,EAAKI,OAAL,EAAc;AAC5DkB,SAAG,EAAE,eAAY;AACf,eAAOR,YAAP;AACD,OAH2D;AAI5D/kD,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpBo4C,oBAAY,GAAG,CAAC,CAACp4C,KAAjB;AACA,aAAK43C,YAAL,GAAoB,IAApB;AACD;AAP2D,KAAd,CAAhD;AAUAvuC,UAAM,CAACsvC,cAAP,CAAsBpT,GAAtB,EAA2B,MAA3B,EAAmC+R,MAAM,CAAC,EAAD,EAAKI,OAAL,EAAc;AACrDkB,SAAG,EAAE,eAAY;AACf,eAAOP,KAAP;AACD,OAHoD;AAIrDhlD,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB,YAAI,OAAOA,KAAP,KAAiB,QAAjB,IAA6BA,KAAK,KAAK42C,WAA3C,EAAwD;AACtD,gBAAM,IAAImC,WAAJ,CAAgB,oDAAhB,CAAN;AACD;;AAEDV,aAAK,GAAGr4C,KAAR;AACA,aAAK43C,YAAL,GAAoB,IAApB;AACD;AAXoD,KAAd,CAAzC;AAcAvuC,UAAM,CAACsvC,cAAP,CAAsBpT,GAAtB,EAA2B,WAA3B,EAAwC+R,MAAM,CAAC,EAAD,EAAKI,OAAL,EAAc;AAC1DkB,SAAG,EAAE,eAAY;AACf,eAAON,UAAP;AACD,OAHyD;AAI1DjlD,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB,YAAI84C,OAAO,GAAG1B,gBAAgB,CAACp3C,KAAD,CAA9B;;AACA,YAAI,CAAC84C,OAAL,EAAc;AACZ,gBAAM,IAAIC,WAAJ,CAAgB,6CAAhB,CAAN;AACD;;AAEDT,kBAAU,GAAGQ,OAAb;AACA,aAAKlB,YAAL,GAAoB,IAApB;AACD;AAZyD,KAAd,CAA9C;AAeAvuC,UAAM,CAACsvC,cAAP,CAAsBpT,GAAtB,EAA2B,UAA3B,EAAuC+R,MAAM,CAAC,EAAD,EAAKI,OAAL,EAAc;AACzDkB,SAAG,EAAE,eAAY;AACf,eAAOL,SAAP;AACD,OAHwD;AAIzDllD,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB,YAAIA,KAAK,GAAG,CAAR,IAAaA,KAAK,GAAG,GAAzB,EAA8B;AAC5B,gBAAM,IAAIxX,KAAJ,CAAU,qCAAV,CAAN;AACD;;AAED+vD,iBAAS,GAAGv4C,KAAZ;AACA,aAAK43C,YAAL,GAAoB,IAApB;AACD;AAXwD,KAAd,CAA7C;AAcAvuC,UAAM,CAACsvC,cAAP,CAAsBpT,GAAtB,EAA2B,eAA3B,EAA4C+R,MAAM,CAAC,EAAD,EAAKI,OAAL,EAAc;AAC9DkB,SAAG,EAAE,eAAY;AACf,eAAOJ,cAAP;AACD,OAH6D;AAI9DnlD,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB,YAAI84C,OAAO,GAAG1B,gBAAgB,CAACp3C,KAAD,CAA9B;;AACA,YAAI,CAAC84C,OAAL,EAAc;AACZ,gBAAM,IAAIC,WAAJ,CAAgB,6CAAhB,CAAN;AACD;;AAEDP,sBAAc,GAAGM,OAAjB;AACA,aAAKlB,YAAL,GAAoB,IAApB;AACD;AAZ6D,KAAd,CAAlD;AAeAvuC,UAAM,CAACsvC,cAAP,CAAsBpT,GAAtB,EAA2B,MAA3B,EAAmC+R,MAAM,CAAC,EAAD,EAAKI,OAAL,EAAc;AACrDkB,SAAG,EAAE,eAAY;AACf,eAAOH,KAAP;AACD,OAHoD;AAIrDplD,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB,YAAIA,KAAK,GAAG,CAAR,IAAaA,KAAK,GAAG,GAAzB,EAA8B;AAC5B,gBAAM,IAAIxX,KAAJ,CAAU,iCAAV,CAAN;AACD;;AAEDiwD,aAAK,GAAGz4C,KAAR;AACA,aAAK43C,YAAL,GAAoB,IAApB;AACD;AAXoD,KAAd,CAAzC;AAcAvuC,UAAM,CAACsvC,cAAP,CAAsBpT,GAAtB,EAA2B,OAA3B,EAAoC+R,MAAM,CAAC,EAAD,EAAKI,OAAL,EAAc;AACtDkB,SAAG,EAAE,eAAY;AACf,eAAOF,MAAP;AACD,OAHqD;AAItDrlD,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB,YAAI84C,OAAO,GAAG1B,gBAAgB,CAACp3C,KAAD,CAA9B;;AACA,YAAI,CAAC84C,OAAL,EAAc;AACZ,gBAAM,IAAIC,WAAJ,CAAgB,6CAAhB,CAAN;AACD;;AAEDL,cAAM,GAAGI,OAAT;AACA,aAAKlB,YAAL,GAAoB,IAApB;AACD;AAZqD,KAAd,CAA1C;AAeA;;;AAIA;;AACArS,OAAG,CAACyT,YAAJ,GAAmB,KAAK,CAAxB;AACD;AAED;;;;;AAIApT,QAAM,CAAC9gC,SAAP,CAAiBm0C,YAAjB,GAAgC,YAAY;AAC1C;AACA,QAAIC,MAAM,GAAGn2B,MAAM,CAACm2B,MAApB;AACA,WAAOA,MAAM,CAACC,mBAAP,CAA2Bp2B,MAA3B,EAAmC,KAAK5qB,IAAxC,CAAP;AACD,GAJD;;AAMA,SAAOytC,MAAP;AACD,CA3Rc,GAAf,E;;AChBA;;;AAIA;;AAEA,IAAMwT,aAAa,GAAG,SAASA,aAAT,GAA0B;AAC9C,SAAO;AACLrnC,UAAM,EAAE,gBAAUxsB,IAAV,EAAgB;AACtB,UAAI,CAACA,IAAL,EAAW;AACT,eAAO,EAAP;AACD;;AAED,UAAI,OAAOA,IAAP,KAAgB,QAApB,EAA8B;AAC5B,cAAM,IAAIiD,KAAJ,CAAU,+BAAV,CAAN;AACD;;AAED,aAAO6wD,kBAAkB,CAACC,kBAAkB,CAAC/zD,IAAD,CAAnB,CAAzB;AACD;AAXI,GAAP;AAaD,CAdD;;AAgBA,SAASg0D,SAAT,GAAsB;AACpB,OAAKx2B,MAAL,GAAcA,MAAd;AACA,OAAK7iB,KAAL,GAAa,SAAb;AACA,OAAKpa,MAAL,GAAc,EAAd;AACA,OAAK8rB,OAAL,GAAe,IAAIwnC,aAAJ,EAAf;AACA,OAAKI,UAAL,GAAkB,EAAlB;AACD,C,CAED;;;AACA,SAASC,cAAT,CAAyB17B,KAAzB,EAAgC;AAC9B,WAAS27B,cAAT,CAAyBj6C,CAAzB,EAA4Bk6C,CAA5B,EAA+BC,CAA/B,EAAkCC,CAAlC,EAAqC;AACnC,WAAO,CAACp6C,CAAC,GAAG,CAAL,IAAU,IAAV,GAAiB,CAACk6C,CAAC,GAAG,CAAL,IAAU,EAA3B,IAAiCC,CAAC,GAAG,CAArC,IAA0C,CAACC,CAAC,GAAG,CAAL,IAAU,IAA3D;AACD;;AAED,MAAIF,CAAC,GAAG57B,KAAK,CAACtW,KAAN,CAAY,kCAAZ,CAAR;;AACA,MAAI,CAACkyC,CAAL,EAAQ;AACN,WAAO,IAAP;AACD;;AAED,MAAIA,CAAC,CAAC,CAAD,CAAL,EAAU;AACR;AACA,WAAOD,cAAc,CAACC,CAAC,CAAC,CAAD,CAAF,EAAOA,CAAC,CAAC,CAAD,CAAR,EAAaA,CAAC,CAAC,CAAD,CAAD,CAAKznC,OAAL,CAAa,GAAb,EAAkB,EAAlB,CAAb,EAAoCynC,CAAC,CAAC,CAAD,CAArC,CAArB;AACD,GAHD,MAGO,IAAIA,CAAC,CAAC,CAAD,CAAD,GAAO,EAAX,EAAe;AACpB;AACA;AACA,WAAOD,cAAc,CAACC,CAAC,CAAC,CAAD,CAAF,EAAOA,CAAC,CAAC,CAAD,CAAR,EAAa,CAAb,EAAgBA,CAAC,CAAC,CAAD,CAAjB,CAArB;AACD,GAJM,MAIA;AACL;AACA,WAAOD,cAAc,CAAC,CAAD,EAAIC,CAAC,CAAC,CAAD,CAAL,EAAUA,CAAC,CAAC,CAAD,CAAX,EAAgBA,CAAC,CAAC,CAAD,CAAjB,CAArB;AACD;AACF,C,CAED;AACA;;;AACA,SAASG,QAAT,GAAqB;AACnB,OAAKC,MAAL,GAAc1wC,MAAM,CAAC6gB,MAAP,CAAc,IAAd,CAAd;AACD;;AAED4vB,QAAQ,CAACh1C,SAAT,GAAqB;AACnB;AACAzR,KAAG,EAAE,aAAU2mD,CAAV,EAAaC,CAAb,EAAgB;AACnB,QAAI,CAAC,KAAKrB,GAAL,CAASoB,CAAT,CAAD,IAAgBC,CAAC,KAAK,EAA1B,EAA8B;AAC5B,WAAKF,MAAL,CAAYC,CAAZ,IAAiBC,CAAjB;AACD;AACF,GANkB;AAOnB;AACA;AACA;AACA;AACA;AACArB,KAAG,EAAE,aAAUoB,CAAV,EAAaE,IAAb,EAAmBC,UAAnB,EAA+B;AAClC,QAAIA,UAAJ,EAAgB;AACd,aAAO,KAAKC,GAAL,CAASJ,CAAT,IAAc,KAAKD,MAAL,CAAYC,CAAZ,CAAd,GAA+BE,IAAI,CAACC,UAAD,CAA1C;AACD;;AAED,WAAO,KAAKC,GAAL,CAASJ,CAAT,IAAc,KAAKD,MAAL,CAAYC,CAAZ,CAAd,GAA+BE,IAAtC;AACD,GAlBkB;AAmBnB;AACAE,KAAG,EAAE,aAAUJ,CAAV,EAAa;AAChB,WAAOA,CAAC,IAAI,KAAKD,MAAjB;AACD,GAtBkB;AAuBnB;AACAM,KAAG,EAAE,aAAUL,CAAV,EAAaC,CAAb,EAAgB7vC,CAAhB,EAAmB;AACtB,SAAK,IAAIkwC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGlwC,CAAC,CAAC9hB,MAAtB,EAA8B,EAAEgyD,CAAhC,EAAmC;AACjC,UAAIL,CAAC,KAAK7vC,CAAC,CAACkwC,CAAD,CAAX,EAAgB;AACd,aAAKjnD,GAAL,CAAS2mD,CAAT,EAAYC,CAAZ;AACA;AACD;AACF;AACF,GA/BkB;AAgCnB;AACAM,SAAO,EAAE,iBAAUP,CAAV,EAAaC,CAAb,EAAgB;AACvB,QAAI,UAAUnsD,IAAV,CAAemsD,CAAf,CAAJ,EAAuB;AAAE;AACvB,WAAK5mD,GAAL,CAAS2mD,CAAT,EAAYtnD,QAAQ,CAACunD,CAAD,EAAI,EAAJ,CAApB;AACD;AACF,GArCkB;AAsCnB;AACAO,SAAO,EAAE,iBAAUR,CAAV,EAAaC,CAAb,EAAgB;AACvB,QAAIN,CAAJ;;AACA,QAAKA,CAAC,GAAGM,CAAC,CAACxyC,KAAF,CAAQ,0BAAR,CAAT,EAA+C;AAC7CwyC,OAAC,GAAGv8B,UAAU,CAACu8B,CAAD,CAAd;;AACA,UAAIA,CAAC,IAAI,CAAL,IAAUA,CAAC,IAAI,GAAnB,EAAwB;AACtB,aAAK5mD,GAAL,CAAS2mD,CAAT,EAAYC,CAAZ;AACA,eAAO,IAAP;AACD;AACF;;AACD,WAAO,KAAP;AACD;AAjDkB,CAArB,C,CAoDA;AACA;;AACA,SAASQ,YAAT,CAAuB18B,KAAvB,EAA8BryB,QAA9B,EAAwCgvD,aAAxC,EAAuDC,UAAvD,EAAmE;AACjE,MAAIz7B,MAAM,GAAGy7B,UAAU,GAAG58B,KAAK,CAAC1C,KAAN,CAAYs/B,UAAZ,CAAH,GAA6B,CAAC58B,KAAD,CAApD;;AACA,OAAK,IAAI92B,CAAT,IAAci4B,MAAd,EAAsB;AACpB,QAAI,OAAOA,MAAM,CAACj4B,CAAD,CAAb,KAAqB,QAAzB,EAAmC;AACjC;AACD;;AAED,QAAI2zD,EAAE,GAAG17B,MAAM,CAACj4B,CAAD,CAAN,CAAUo0B,KAAV,CAAgBq/B,aAAhB,CAAT;;AACA,QAAIE,EAAE,CAACtyD,MAAH,KAAc,CAAlB,EAAqB;AACnB;AACD;;AAED,QAAI0xD,CAAC,GAAGY,EAAE,CAAC,CAAD,CAAV;AACA,QAAIX,CAAC,GAAGW,EAAE,CAAC,CAAD,CAAV;AACAlvD,YAAQ,CAACsuD,CAAD,EAAIC,CAAJ,CAAR;AACD;AACF;;AAED,IAAIY,QAAQ,GAAG,IAAIjV,MAAJ,CAAW,CAAX,EAAc,CAAd,EAAiB,CAAjB,CAAf,C,CACA;AACA;;AACA,IAAIkV,MAAM,GAAGD,QAAQ,CAACxD,KAAT,KAAmB,QAAnB,GAA8B,QAA9B,GAAyC,QAAtD;;AAEA,SAAS0D,QAAT,CAAmBh9B,KAAnB,EAA0BwnB,GAA1B,EAA+BiU,UAA/B,EAA2C;AACzC;AACA,MAAIwB,MAAM,GAAGj9B,KAAb,CAFyC,CAGzC;;AACA,WAASk9B,gBAAT,GAA6B;AAC3B,QAAIC,EAAE,GAAGzB,cAAc,CAAC17B,KAAD,CAAvB;;AACA,QAAIm9B,EAAE,KAAK,IAAX,EAAiB;AACf,YAAM,IAAI1yD,KAAJ,CAAU,0BAA0BwyD,MAApC,CAAN;AACD,KAJ0B,CAM3B;;;AACAj9B,SAAK,GAAGA,KAAK,CAAC7L,OAAN,CAAc,gBAAd,EAAgC,EAAhC,CAAR;AACA,WAAOgpC,EAAP;AACD,GAbwC,CAezC;;;AACA,WAASC,kBAAT,CAA6Bp9B,KAA7B,EAAoCwnB,GAApC,EAAyC;AACvC,QAAI6V,QAAQ,GAAG,IAAItB,QAAJ,EAAf;AAEAW,gBAAY,CAAC18B,KAAD,EAAQ,UAAUi8B,CAAV,EAAaC,CAAb,EAAgB;AAClC,cAAQD,CAAR;AACA,aAAK,QAAL;AACE;AACA,eAAK,IAAI/yD,CAAC,GAAGuyD,UAAU,CAAClxD,MAAX,GAAoB,CAAjC,EAAoCrB,CAAC,IAAI,CAAzC,EAA4CA,CAAC,EAA7C,EAAiD;AAC/C,gBAAIuyD,UAAU,CAACvyD,CAAD,CAAV,CAAcoJ,EAAd,KAAqB4pD,CAAzB,EAA4B;AAC1BmB,sBAAQ,CAAC/nD,GAAT,CAAa2mD,CAAb,EAAgBR,UAAU,CAACvyD,CAAD,CAAV,CAAco0D,MAA9B;AACA;AACD;AACF;;AACD;;AACF,aAAK,UAAL;AACED,kBAAQ,CAACf,GAAT,CAAaL,CAAb,EAAgBC,CAAhB,EAAmB,CAAC,IAAD,EAAO,IAAP,CAAnB;AACA;;AACF,aAAK,MAAL;AACE,cAAIqB,IAAI,GAAGrB,CAAC,CAAC5+B,KAAF,CAAQ,GAAR,CAAX;AAAA,cACEkgC,KAAK,GAAGD,IAAI,CAAC,CAAD,CADd;AAEAF,kBAAQ,CAACb,OAAT,CAAiBP,CAAjB,EAAoBuB,KAApB;;AACA,cAAIH,QAAQ,CAACZ,OAAT,CAAiBR,CAAjB,EAAoBuB,KAApB,CAAJ,EAAgC;AAC9BH,oBAAQ,CAAC/nD,GAAT,CAAa,aAAb,EAA4B,KAA5B;AACD;;AAED+nD,kBAAQ,CAACf,GAAT,CAAaL,CAAb,EAAgBuB,KAAhB,EAAuB,CAAC,MAAD,CAAvB;;AACA,cAAID,IAAI,CAAChzD,MAAL,KAAgB,CAApB,EAAuB;AACrB8yD,oBAAQ,CAACf,GAAT,CAAa,WAAb,EAA0BiB,IAAI,CAAC,CAAD,CAA9B,EAAmC,CAAC,OAAD,EAAUR,MAAV,EAAkB,KAAlB,CAAnC;AACD;;AAED;;AACF,aAAK,UAAL;AACEQ,cAAI,GAAGrB,CAAC,CAAC5+B,KAAF,CAAQ,GAAR,CAAP;AACA+/B,kBAAQ,CAACZ,OAAT,CAAiBR,CAAjB,EAAoBsB,IAAI,CAAC,CAAD,CAAxB;;AACA,cAAIA,IAAI,CAAChzD,MAAL,KAAgB,CAApB,EAAuB;AACrB8yD,oBAAQ,CAACf,GAAT,CAAa,eAAb,EAA8BiB,IAAI,CAAC,CAAD,CAAlC,EAAuC,CAAC,OAAD,EAAUR,MAAV,EAAkB,KAAlB,EAAyB,WAAzB,EAAsC,YAAtC,EAAoD,MAApD,CAAvC;AACD;;AAED;;AACF,aAAK,MAAL;AACEM,kBAAQ,CAACZ,OAAT,CAAiBR,CAAjB,EAAoBC,CAApB;AACA;;AACF,aAAK,OAAL;AACEmB,kBAAQ,CAACf,GAAT,CAAaL,CAAb,EAAgBC,CAAhB,EAAmB,CAAC,OAAD,EAAUa,MAAV,EAAkB,KAAlB,EAAyB,MAAzB,EAAiC,OAAjC,CAAnB;AACA;AAxCF;AA0CD,KA3CW,EA2CT,GA3CS,EA2CJ,IA3CI,CAAZ,CAHuC,CAgDvC;;AACAvV,OAAG,CAAC8V,MAAJ,GAAaD,QAAQ,CAACxC,GAAT,CAAa,QAAb,EAAuB,IAAvB,CAAb;AACArT,OAAG,CAACiW,QAAJ,GAAeJ,QAAQ,CAACxC,GAAT,CAAa,UAAb,EAAyB,EAAzB,CAAf;AACA,QAAI6C,IAAI,GAAGL,QAAQ,CAACxC,GAAT,CAAa,MAAb,EAAqB,MAArB,CAAX;;AACA,QAAI6C,IAAI,KAAK,MAAT,IAAmBZ,QAAQ,CAACY,IAAT,KAAkB,CAAC,CAA1C,EAA6C;AAC3C;AACAA,UAAI,GAAG,CAAC,CAAR;AACD;;AACDlW,OAAG,CAACkW,IAAJ,GAAWA,IAAX;AACAlW,OAAG,CAACmW,SAAJ,GAAgBN,QAAQ,CAACxC,GAAT,CAAa,WAAb,EAA0B,OAA1B,CAAhB;AACArT,OAAG,CAACoW,WAAJ,GAAkBP,QAAQ,CAACxC,GAAT,CAAa,aAAb,EAA4B,IAA5B,CAAlB;AACArT,OAAG,CAAC7xC,IAAJ,GAAW0nD,QAAQ,CAACxC,GAAT,CAAa,MAAb,EAAqB,GAArB,CAAX;AACArT,OAAG,CAAC8R,KAAJ,GAAY+D,QAAQ,CAACxC,GAAT,CAAa,OAAb,EAAsBkC,MAAtB,CAAZ;AACA,QAAI/nD,QAAQ,GAAGqoD,QAAQ,CAACxC,GAAT,CAAa,UAAb,EAAyB,MAAzB,CAAf;;AACA,QAAI7lD,QAAQ,KAAK,MAAb,IAAuB8nD,QAAQ,CAAC9nD,QAAT,KAAsB,EAAjD,EAAqD;AACnD;AACAA,cAAQ,GAAGwyC,GAAG,CAAC8R,KAAJ,KAAc,OAAd,IAAyB9R,GAAG,CAAC8R,KAAJ,KAAc,MAAvC,GAAgD,CAAhD,GAAoD9R,GAAG,CAAC8R,KAAJ,KAAc,KAAd,IAAuB9R,GAAG,CAAC8R,KAAJ,KAAc,OAArC,GAA+C,GAA/C,GAAqD,EAApH;AACD;;AACD9R,OAAG,CAACxyC,QAAJ,GAAeA,QAAf;AACD;;AAED,WAAS6oD,cAAT,GAA2B;AACzB79B,SAAK,GAAGA,KAAK,CAAC7L,OAAN,CAAc,MAAd,EAAsB,EAAtB,CAAR;AACD,GAvFwC,CAyFzC;;;AACA0pC,gBAAc;AACdrW,KAAG,CAAC/2B,SAAJ,GAAgBysC,gBAAgB,EAAhC,CA3FyC,CA2FL;;AACpCW,gBAAc;;AACd,MAAI79B,KAAK,CAACwB,MAAN,CAAa,CAAb,EAAgB,CAAhB,MAAuB,KAA3B,EAAkC;AAAE;AAClC,UAAM,IAAI/2B,KAAJ,CAAU,sEACdwyD,MADI,CAAN;AAED;;AACDj9B,OAAK,GAAGA,KAAK,CAACwB,MAAN,CAAa,CAAb,CAAR;AACAq8B,gBAAc;AACdrW,KAAG,CAAC92B,OAAJ,GAAcwsC,gBAAgB,EAA9B,CAnGyC,CAmGP;AAElC;;AACAW,gBAAc;AACdT,oBAAkB,CAACp9B,KAAD,EAAQwnB,GAAR,CAAlB;AACD;;AAED,SAASsW,aAAT,CAAwB99B,KAAxB,EAA+B;AAC7B,SAAOA,KAAK,CAAC7L,OAAN,CAAc,gBAAd,EAAgC,IAAhC,CAAP;AACD;;AAEDqnC,SAAS,CAACz0C,SAAV,GAAsB;AACpBkL,OAAK,EAAE,eAAUzqB,IAAV,EAAgB;AACrB,QAAI6pB,IAAI,GAAG,IAAX,CADqB,CAGrB;AACA;AACA;;AACA,QAAI7pB,IAAJ,EAAU;AACR;AACA6pB,UAAI,CAACtpB,MAAL,IAAespB,IAAI,CAACwC,OAAL,CAAaG,MAAb,CAAoBxsB,IAApB,EAA0B;AAAE8W,cAAM,EAAE;AAAV,OAA1B,CAAf;AACD;;AAED,aAASy/C,eAAT,GAA4B;AAC1B,UAAIh2D,MAAM,GAAGspB,IAAI,CAACtpB,MAAlB;AACA,UAAI8Z,GAAG,GAAG,CAAV;AAEA9Z,YAAM,GAAG+1D,aAAa,CAAC/1D,MAAD,CAAtB;;AAEA,aAAO8Z,GAAG,GAAG9Z,MAAM,CAACwC,MAAb,IAAuBxC,MAAM,CAAC8Z,GAAD,CAAN,KAAgB,IAAvC,IAA+C9Z,MAAM,CAAC8Z,GAAD,CAAN,KAAgB,IAAtE,EAA4E;AAC1E,UAAEA,GAAF;AACD;;AAED,UAAI67C,IAAI,GAAG31D,MAAM,CAACy5B,MAAP,CAAc,CAAd,EAAiB3f,GAAjB,CAAX,CAV0B,CAW1B;;AACA,UAAI9Z,MAAM,CAAC8Z,GAAD,CAAN,KAAgB,IAApB,EAA0B;AACxB,UAAEA,GAAF;AACD;;AAED,UAAI9Z,MAAM,CAAC8Z,GAAD,CAAN,KAAgB,IAApB,EAA0B;AACxB,UAAEA,GAAF;AACD;;AAEDwP,UAAI,CAACtpB,MAAL,GAAcA,MAAM,CAACy5B,MAAP,CAAc3f,GAAd,CAAd;AACA,aAAO67C,IAAP;AACD,KAjCoB,CAmCrB;;;AACA,aAAS5pD,WAAT,CAAsBksB,KAAtB,EAA6B;AAC3B08B,kBAAY,CAAC18B,KAAD,EAAQ,UAAUi8B,CAAV,EAAaC,CAAb,EAAgB;AAClC,gBAAQD,CAAR;AACA,eAAK,QAAL;AACE;AACA;AACA;AACA;AALF;AAOD,OARW,EAQT,GARS,CAAZ;AASD,KA9CoB,CAgDrB;;;AACA,QAAI;AACF,UAAIyB,IAAJ;;AACA,UAAIrsC,IAAI,CAAClP,KAAL,KAAe,SAAnB,EAA8B;AAC5B;AACA,YAAI,CAAC,UAAUpS,IAAV,CAAeshB,IAAI,CAACtpB,MAApB,CAAL,EAAkC;AAChC,iBAAO,IAAP;AACD;;AAED21D,YAAI,GAAGK,eAAe,EAAtB,CAN4B,CAO5B;AACA;;AACA,YAAInC,CAAC,GAAG8B,IAAI,CAACh0C,KAAL,CAAW,0BAAX,CAAR;;AACA,YAAI,CAACkyC,CAAD,IAAM,CAACA,CAAC,CAAC,CAAD,CAAZ,EAAiB;AACf,gBAAM,IAAInxD,KAAJ,CAAU,6BAAV,CAAN;AACD;;AAED4mB,YAAI,CAAClP,KAAL,GAAa,QAAb;AACD;;AAED,UAAI67C,oBAAoB,GAAG,KAA3B;;AACA,aAAO3sC,IAAI,CAACtpB,MAAZ,EAAoB;AAClB;AACA,YAAI,CAAC,UAAUgI,IAAV,CAAeshB,IAAI,CAACtpB,MAApB,CAAL,EAAkC;AAChC,iBAAO,IAAP;AACD;;AAED,YAAI,CAACi2D,oBAAL,EAA2B;AACzBN,cAAI,GAAGK,eAAe,EAAtB;AACD,SAFD,MAEO;AACLC,8BAAoB,GAAG,KAAvB;AACD;;AAED,gBAAQ3sC,IAAI,CAAClP,KAAb;AACA,eAAK,QAAL;AACE;AACA,gBAAI,IAAIpS,IAAJ,CAAS2tD,IAAT,CAAJ,EAAoB;AAClB5pD,yBAAW,CAAC4pD,IAAD,CAAX;AACD,aAFD,MAEO,IAAI,CAACA,IAAL,EAAW;AAChB;AACArsC,kBAAI,CAAClP,KAAL,GAAa,IAAb;AACD;;AACD;;AACF,eAAK,MAAL;AACE;AACA,gBAAI,CAACu7C,IAAL,EAAW;AACTrsC,kBAAI,CAAClP,KAAL,GAAa,IAAb;AACD;;AAED;;AACF,eAAK,IAAL;AACE;AACA,gBAAI,iBAAiBpS,IAAjB,CAAsB2tD,IAAtB,CAAJ,EAAiC;AAC/BrsC,kBAAI,CAAClP,KAAL,GAAa,MAAb;AACA;AACD,aALH,CAME;;;AACA,gBAAI,CAACu7C,IAAL,EAAW;AACT;AACD;;AAEDrsC,gBAAI,CAACm2B,GAAL,GAAW,IAAIK,MAAJ,CAAW,CAAX,EAAc,CAAd,EAAiB,EAAjB,CAAX;AACAx2B,gBAAI,CAAClP,KAAL,GAAa,KAAb,CAZF,CAaE;;AACA,gBAAIu7C,IAAI,CAACztD,OAAL,CAAa,KAAb,MAAwB,CAAC,CAA7B,EAAgC;AAC9BohB,kBAAI,CAACm2B,GAAL,CAASl1C,EAAT,GAAcorD,IAAd;AACA;AACD;;AACD;;AACA;;AACF,eAAK,KAAL;AACE;AACA,gBAAI;AACFV,sBAAQ,CAACU,IAAD,EAAOrsC,IAAI,CAACm2B,GAAZ,EAAiBn2B,IAAI,CAACoqC,UAAtB,CAAR;AACD,aAFD,CAEE,OAAOluD,CAAP,EAAU;AACV;AACA8jB,kBAAI,CAACm2B,GAAL,GAAW,IAAX;AACAn2B,kBAAI,CAAClP,KAAL,GAAa,QAAb;AACA;AACD;;AACDkP,gBAAI,CAAClP,KAAL,GAAa,SAAb;AACA;;AACF,eAAK,SAAL;AACE,gBAAI87C,YAAY,GAAGP,IAAI,CAACztD,OAAL,CAAa,KAAb,MAAwB,CAAC,CAA5C,CADF,CAEE;AACA;AACA;AACA;;AACA,gBAAI,CAACytD,IAAD,IAASO,YAAY,KAAKD,oBAAoB,GAAG,IAA5B,CAAzB,EAA4D;AAC1D;AACA,kBAAI3sC,IAAI,CAAC6sC,KAAT,EAAgB;AACd7sC,oBAAI,CAAC6sC,KAAL,CAAW7sC,IAAI,CAACm2B,GAAhB;AACD;;AAEDn2B,kBAAI,CAACm2B,GAAL,GAAW,IAAX;AACAn2B,kBAAI,CAAClP,KAAL,GAAa,IAAb;AACA;AACD;;AACD,gBAAIkP,IAAI,CAACm2B,GAAL,CAASptC,IAAb,EAAmB;AACjBiX,kBAAI,CAACm2B,GAAL,CAASptC,IAAT,IAAiB,IAAjB;AACD;;AAEDiX,gBAAI,CAACm2B,GAAL,CAASptC,IAAT,IAAiBsjD,IAAjB;AACA;;AACF,eAAK,QAAL;AAAe;AACb;AACA,gBAAI,CAACA,IAAL,EAAW;AACTrsC,kBAAI,CAAClP,KAAL,GAAa,IAAb;AACD;;AAED;AA7EF;AA+ED;AACF,KAhHD,CAgHE,OAAO5U,CAAP,EAAU;AACV;AACA,UAAI8jB,IAAI,CAAClP,KAAL,KAAe,SAAf,IAA4BkP,IAAI,CAACm2B,GAAjC,IAAwCn2B,IAAI,CAAC6sC,KAAjD,EAAwD;AACtD7sC,YAAI,CAAC6sC,KAAL,CAAW7sC,IAAI,CAACm2B,GAAhB;AACD;;AAEDn2B,UAAI,CAACm2B,GAAL,GAAW,IAAX,CANU,CAOV;AACA;;AACAn2B,UAAI,CAAClP,KAAL,GAAakP,IAAI,CAAClP,KAAL,KAAe,SAAf,GAA2B,WAA3B,GAAyC,QAAtD;AACD;;AACD,WAAO,IAAP;AACD,GA9KmB;AA+KpBg8C,OAAK,EAAE,iBAAY;AACjB,QAAI9sC,IAAI,GAAG,IAAX;;AACA,QAAI;AACF;AACAA,UAAI,CAACtpB,MAAL,IAAespB,IAAI,CAACwC,OAAL,CAAaG,MAAb,EAAf,CAFE,CAGF;;AACA,UAAI3C,IAAI,CAACm2B,GAAL,IAAYn2B,IAAI,CAAClP,KAAL,KAAe,QAA/B,EAAyC;AACvCkP,YAAI,CAACtpB,MAAL,IAAe,MAAf;AACAspB,YAAI,CAACY,KAAL;AACD,OAPC,CAQF;AACA;AACA;;;AACA,UAAIZ,IAAI,CAAClP,KAAL,KAAe,SAAnB,EAA8B;AAC5B,cAAM,IAAI1X,KAAJ,CAAU,6BAAV,CAAN;AACD;AACF,KAdD,CAcE,OAAO8C,CAAP,EAAU;AACV,YAAMA,CAAN;AACD;;AACD,QAAI8jB,IAAI,CAAC+sC,OAAT,EAAkB;AAChB/sC,UAAI,CAAC+sC,OAAL;AACD;;AAED,WAAO,IAAP;AACD;AAvMmB,CAAtB;AA0MA;AAEe5C,uDAAf,E;;ACncA;AAUO,SAAS6C,MAAT,CAAiBvtD,KAAjB,EAAmC2f,SAAnC,EAAsDC,OAAtD,EAAuE4tC,aAAvE,EAAqG;AAC1G,MAAIC,GAAJ,CAD0G,CAE1G;;AACA,MAAI/W,GAAJ;AACA,MAAIgX,SAAJ;AACA,MAAIC,MAAJ;AACA,MAAIrkD,IAAJ;AACA,MAAIytC,MAAc,GAAI7iB,MAAD,CAAgB6iB,MAAhB,IAAoCC,YAAzD;;AAEA,OAAK,IAAI9T,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGsqB,aAAa,CAACI,IAAd,CAAmBn0D,MAAvC,EAA+CypC,CAAC,EAAhD,EAAoD;AAClDuqB,OAAG,GAAGD,aAAa,CAACI,IAAd,CAAmB1qB,CAAnB,CAAN;AACAwqB,aAAS,GAAG,IAAZ;AACAC,UAAM,GAAG,CAAT;AACArkD,QAAI,GAAG,EAAP;;AAEA,QAAI,CAACmkD,GAAG,CAACI,OAAJ,EAAL,EAAoB;AAClB,WAAK,IAAIvqC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGmqC,GAAG,CAACK,KAAJ,CAAUr0D,MAA9B,EAAsC6pB,CAAC,EAAvC,EAA2C;AACzC,YAAImqC,GAAG,CAACK,KAAJ,CAAUxqC,CAAV,EAAayqC,KAAb,CAAmBn1C,KAAnB,CAAyB,IAAzB,KAAkC80C,SAAtC,EAAiD;AAC/CC,gBAAM;AACP,SAFD,MAEO;AACLrkD,cAAI,IAAImkD,GAAG,CAACK,KAAJ,CAAUxqC,CAAV,EAAayqC,KAArB;AACAL,mBAAS,GAAG,KAAZ;AACD;AACF,OARiB,CASlB;;;AACAD,SAAG,CAACO,YAAJ,GAAmBruC,SAAnB,CAVkB,CAYlB;;AACA,UAAIA,SAAS,KAAKC,OAAlB,EAA2B;AACzBA,eAAO,IAAI,MAAX;AACD;;AAED82B,SAAG,GAAG,IAAIK,MAAJ,CAAWp3B,SAAX,EAAsBC,OAAtB,EAA+BotC,aAAa,CAAC1jD,IAAI,CAAC2kD,IAAL,EAAD,CAA5C,CAAN;;AAEA,UAAIN,MAAM,IAAI,EAAd,EAAkB;AAChBA,cAAM;AACP,OAFD,MAEO;AACLA,cAAM;AACP,OAvBiB,CAyBlB;AACA;;;AACA,UAAI/uD,SAAS,CAACD,SAAV,CAAoBia,KAApB,CAA0B,WAA1B,CAAJ,EAA4C;AAC1C89B,WAAG,CAACkW,IAAJ,GAAW1pB,CAAC,GAAG,CAAf;AACD,OAFD,MAEO;AACLwT,WAAG,CAACkW,IAAJ,GAAY1pB,CAAC,GAAG,CAAJ,GAAQA,CAAC,GAAG,CAAZ,GAAgBA,CAAC,GAAG,CAAhC;AACD;;AAEDwT,SAAG,CAAC8R,KAAJ,GAAY,MAAZ,CAjCkB,CAkClB;;AACA9R,SAAG,CAACxyC,QAAJ,GAAeI,IAAI,CAAC+U,GAAL,CAAS,CAAT,EAAY/U,IAAI,CAACC,GAAL,CAAS,GAAT,EAAc,OAAOopD,MAAM,GAAG,EAAhB,CAAd,CAAZ,CAAf;AACA3tD,WAAK,CAACi3C,MAAN,CAAaP,GAAb;AACD;AACF;AACF,C;;AC9DD;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAqCA;;;AAIA,IAAIwX,uBAAuB,GAAG;AAC5B,QAAM,IADsB;AAChB;AACZ,QAAM,IAFsB;AAEhB;AACZ,QAAM,IAHsB;AAGhB;AACZ,QAAM,IAJsB;AAIhB;AACZ,QAAM,IALsB;AAKhB;AACZ,QAAM,IANsB;AAMhB;AACZ,QAAM,IAPsB;AAOhB;AACZ,QAAM,IARsB;AAQhB;AACZ,QAAM,IATsB;AAShB;AACZ,QAAM,MAVsB;AAUd;AACd;AACA;AACA;AACA,QAAM,IAdsB;AAchB;AACZ,QAAM,IAfsB;AAehB;AACZ,QAAM,IAhBsB;AAgBhB;AACZ,QAAM,IAjBsB;AAiBhB;AACZ,QAAM,MAlBsB;AAkBd;AACd,QAAM,IAnBsB;AAmBhB;AACZ,QAAM,IApBsB;AAoBhB;AACZ,QAAM,MArBsB;AAqBd;AACd,QAAM,IAtBsB;AAsBhB;AACZ,QAAM,IAvBsB;AAuBhB;AACZ,QAAM,IAxBsB;AAwBhB;AACZ,QAAM,IAzBsB;AAyBhB;AACZ,QAAM,IA1BsB;AA0BhB;AACZ,QAAM,IA3BsB;AA2BhB;AACZ,QAAM,IA5BsB;AA4BhB;AACZ,QAAM,IA7BsB;AA6BhB;AACZ;AACA;AACA,QAAM,IAhCsB;AAgChB;AACZ,QAAM,IAjCsB;AAiChB;AACZ,QAAM,IAlCsB;AAkChB;AACZ,QAAM,IAnCsB;AAmChB;AACZ,QAAM,IApCsB;AAoChB;AACZ,QAAM,IArCsB;AAqChB;AACZ,QAAM,MAtCsB;AAsCd;AACd,QAAM,IAvCsB;AAuChB;AACZ,QAAM,IAxCsB;AAwChB;AACZ,QAAM,MAzCsB;AAyCd;AACd,QAAM,MA1CsB;AA0Cd;AACd,QAAM,IA3CsB;AA2ChB;AACZ,QAAM,MA5CsB;AA4Cd;AACd,QAAM,MA7CsB;AA6Cd;AACd,QAAM,MA9CsB;AA8Cd;AACd,QAAM,MA/CsB;AA+Cd;AACd,QAAM,IAhDsB;AAgDhB;AACZ,QAAM,IAjDsB;AAiDhB;AACZ,QAAM,IAlDsB;AAkDhB;AACZ,QAAM,IAnDsB;AAmDhB;AACZ,QAAM,IApDsB;AAoDhB;AACZ,QAAM,IArDsB;AAqDhB;AACZ,QAAM,IAtDsB;AAsDhB;AACZ,QAAM,IAvDsB;AAuDhB;AACZ,QAAM,IAxDsB;AAwDhB;AACZ,QAAM,IAzDsB;AAyDhB;AACZ,QAAM,IA1DsB;AA0DhB;AACZ,QAAM,IA3DsB;AA2DhB;AACZ,QAAM,IA5DsB;AA4DhB;AACZ,QAAM,IA7DsB;AA6DhB;AACZ,QAAM,IA9DsB;AA8DhB;AACZ,QAAM,IA/DsB;AA+DhB;AACZ;AACA;AACA,QAAM,IAlEsB;AAkEhB;AACZ,QAAM,IAnEsB;AAmEhB;AACZ,QAAM,IApEsB;AAoEhB;AACZ,QAAM,IArEsB;AAqEhB;AACZ,QAAM,IAtEsB;AAsEhB;AACZ,QAAM,IAvEsB;AAuEhB;AACZ,QAAM,IAxEsB;AAwEhB;AACZ,QAAM,IAzEsB;AAyEhB;AACZ,QAAM,IA1EsB;AA0EhB;AACZ,QAAM,IA3EsB;AA2EhB;AACZ,QAAM,IA5EsB;AA4EhB;AACZ,QAAM,IA7EsB;AA6EhB;AACZ,QAAM,IA9EsB;AA8EhB;AACZ,QAAM,IA/EsB;AA+EhB;AACZ,QAAM,IAhFsB;AAgFhB;AACZ,QAAM,MAjFsB;AAiFd;AACd,QAAM,IAlFsB;AAkFhB;AACZ,QAAM,IAnFsB;AAmFhB;AACZ,QAAM,IApFsB;AAoFhB;AACZ,QAAM,IArFsB;AAqFhB;AACZ,QAAM,IAtFsB;AAsFhB;AACZ,QAAM,IAvFsB;AAuFhB;AACZ,QAAM,IAxFsB;AAwFhB;AACZ,QAAM,MAzFsB;AAyFd;AACd,QAAM,IA1FsB;AA0FhB;AACZ,QAAM,IA3FsB;AA2FhB;AACZ,QAAM,IA5FsB;AA4FhB;AACZ,QAAM,IA7FsB;AA6FhB;AACZ,QAAM,MA9FsB;AA8Fd;AACd,QAAM,MA/FsB;AA+Fd;AACd,QAAM,MAhGsB;AAgGd;AACd,QAAM,MAjGsB,CAiGf;;AAjGe,CAA9B;AAoGA;;;;AAGA,IAAIC,cAAc,GAAG,SAAjBA,cAAiB,CAAUC,IAAV,EAAwB;AAC3C,MAAIC,QAAQ,GAAGD,IAAf;;AACA,MAAIF,uBAAuB,CAACp5C,cAAxB,CAAuCs5C,IAAvC,CAAJ,EAAkD;AAChDC,YAAQ,GAAGH,uBAAuB,CAACE,IAAD,CAAlC;AACD;;AAED,SAAOpsC,MAAM,CAACC,YAAP,CAAoBosC,QAApB,CAAP;AACD,CAPD;;AASA,IAAIC,OAAO,GAAG,EAAd;AAAA,IACEC,OAAO,GAAG,GADZ,C,CAEA;;AACA,IAAIC,UAAU,GAAG;AAAE,QAAM,CAAR;AAAW,QAAM,CAAjB;AAAoB,QAAM,CAA1B;AAA6B,QAAM,CAAnC;AAAsC,QAAM,CAA5C;AAA+C,QAAM,EAArD;AAAyD,QAAM,EAA/D;AAAmE,QAAM;AAAzE,CAAjB;AACA,IAAIC,WAAW,GAAG;AAAE,QAAM,CAAR;AAAW,QAAM,CAAjB;AAAoB,QAAM,CAA1B;AAA6B,QAAM,CAAnC;AAAsC,QAAM,EAA5C;AAAgD,QAAM,EAAtD;AAA0D,QAAM;AAAhE,CAAlB;AACA,IAAIC,UAAU,GAAG;AAAE,QAAM,CAAR;AAAW,QAAM,CAAjB;AAAoB,QAAM,CAA1B;AAA6B,QAAM,CAAnC;AAAsC,QAAM,CAA5C;AAA+C,QAAM,EAArD;AAAyD,QAAM,EAA/D;AAAmE,QAAM;AAAzE,CAAjB;AACA,IAAIC,WAAW,GAAG;AAAE,QAAM,CAAR;AAAW,QAAM,CAAjB;AAAoB,QAAM,CAA1B;AAA6B,QAAM,CAAnC;AAAsC,QAAM,EAA5C;AAAgD,QAAM,EAAtD;AAA0D,QAAM;AAAhE,CAAlB;AAEA,IAAIC,gBAAgB,GAAG,CAAC,OAAD,EAAU,OAAV,EAAmB,MAAnB,EAA2B,MAA3B,EAAmC,KAAnC,EAA0C,QAA1C,EAAoD,SAApD,EAA+D,OAA/D,EAAwE,aAAxE,CAAvB;IAEKC,a;AASL;;;;WATKA,a;AAAAA,e,CAAAA,a;AAAAA,e,CAAAA,a;AAAAA,e,CAAAA,a;AAAAA,e,CAAAA,a;AAAAA,e,CAAAA,a;AAAAA,e,CAAAA,a;GAAAA,a,KAAAA,a;;AAYL,IAAI/xD,qBAaH,GAAG;AACFgyD,eAAa,EAAE;AAAE,YAAQ,CAAV;AAAa,aAAS,CAAtB;AAAyB,YAAQ,CAAjC;AAAoC,eAAW,CAA/C;AAAkD,YAAQ,CAA1D;AAA6D,aAAS;AAAtE,GADb;AAEF7yB,MAAI,EAAE,IAFJ;AAGF8yB,cAAY,EAAE,CAHZ;AAGe;AACjBC,SAAO,EAAE,iBAAUC,OAAV,EAAmB;AAC1B,SAAKhzB,IAAL,GAAYgzB,OAAZ;AACD,GANC;AAOFlyD,KAAG,EAAE,aAAUmyD,QAAV,EAAoBC,GAApB,EAAyB;AAC5B,QAAIC,QAAQ,GAAG,KAAKN,aAAL,CAAmBI,QAAnB,CAAf;;AACA,QAAI,KAAKH,YAAL,IAAqBK,QAAzB,EAAmC,CACjC;AACD;AACF;AAZC,CAbJ;;AA4BA,IAAIC,kBAAkB,GAAG,SAArBA,kBAAqB,CAAUC,QAAV,EAAwC;AAC/D,MAAIC,QAAkB,GAAG,EAAzB;;AACA,OAAK,IAAIzpD,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGwpD,QAAQ,CAAC71D,MAA7B,EAAqCqM,CAAC,EAAtC,EAA0C;AACxCypD,YAAQ,CAACzuD,IAAT,CAAcwuD,QAAQ,CAACxpD,CAAD,CAAR,CAAYqK,QAAZ,CAAqB,EAArB,CAAd;AACD;;AAED,SAAOo/C,QAAP;AACD,CAPD;;IAiBMC,Q;;;AAOJ,oBAAaC,UAAb,EAAkCC,SAAlC,EAAuDC,OAAvD,EAA0EC,UAA1E,EAA+FC,KAA/F,EAAgH;AAAA,SANzGJ,UAMyG;AAAA,SALzGC,SAKyG;AAAA,SAJzGC,OAIyG;AAAA,SAHzGC,UAGyG;AAAA,SAFzGC,KAEyG;AAC9G,SAAKJ,UAAL,GAAkBA,UAAU,IAAI,OAAhC;AACA,SAAKC,SAAL,GAAiBA,SAAS,IAAI,KAA9B;AACA,SAAKC,OAAL,GAAeA,OAAO,IAAI,KAA1B;AACA,SAAKC,UAAL,GAAkBA,UAAU,IAAI,OAAhC;AACA,SAAKC,KAAL,GAAaA,KAAK,IAAI,KAAtB;AACD;;;;SAEDC,K,GAAA,iBAAS;AACP,SAAKL,UAAL,GAAkB,OAAlB;AACA,SAAKC,SAAL,GAAiB,KAAjB;AACA,SAAKC,OAAL,GAAe,KAAf;AACA,SAAKC,UAAL,GAAkB,OAAlB;AACA,SAAKC,KAAL,GAAa,KAAb;AACD,G;;SAEDE,S,GAAA,mBAAWC,MAAX,EAAuC;AACrC,QAAIC,OAAO,GAAG,CAAC,YAAD,EAAe,WAAf,EAA4B,SAA5B,EAAuC,YAAvC,EAAqD,OAArD,CAAd;;AACA,SAAK,IAAI73D,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG63D,OAAO,CAACx2D,MAA5B,EAAoCrB,CAAC,EAArC,EAAyC;AACvC,UAAI83D,KAAK,GAAGD,OAAO,CAAC73D,CAAD,CAAnB;;AACA,UAAI43D,MAAM,CAACl7C,cAAP,CAAsBo7C,KAAtB,CAAJ,EAAkC;AAChC,aAAKA,KAAL,IAAcF,MAAM,CAACE,KAAD,CAApB;AACD;AACF;AACF,G;;SAEDC,S,GAAA,qBAAa;AACX,WAAQ,KAAKV,UAAL,KAAoB,OAApB,IAA+B,CAAC,KAAKC,SAArC,IAAkD,CAAC,KAAKC,OAAxD,IACI,KAAKC,UAAL,KAAoB,OADxB,IACmC,CAAC,KAAKC,KADjD;AAED,G;;SAEDO,M,GAAA,gBAAQC,KAAR,EAAyB;AACvB,WAAS,KAAKZ,UAAL,KAAoBY,KAAK,CAACZ,UAA3B,IACM,KAAKC,SAAL,KAAmBW,KAAK,CAACX,SAD/B,IAEM,KAAKC,OAAL,KAAiBU,KAAK,CAACV,OAF7B,IAGM,KAAKC,UAAL,KAAoBS,KAAK,CAACT,UAHhC,IAIM,KAAKC,KAAL,KAAeQ,KAAK,CAACR,KAJnC;AAKD,G;;SAEDS,I,GAAA,cAAMC,WAAN,EAA6B;AAC3B,SAAKd,UAAL,GAAkBc,WAAW,CAACd,UAA9B;AACA,SAAKC,SAAL,GAAiBa,WAAW,CAACb,SAA7B;AACA,SAAKC,OAAL,GAAeY,WAAW,CAACZ,OAA3B;AACA,SAAKC,UAAL,GAAkBW,WAAW,CAACX,UAA9B;AACA,SAAKC,KAAL,GAAaU,WAAW,CAACV,KAAzB;AACD,G;;SAED1/C,Q,GAAA,oBAAoB;AAClB,WAAQ,WAAW,KAAKs/C,UAAhB,GAA6B,cAA7B,GAA8C,KAAKC,SAAnD,GAA+D,YAA/D,GAA8E,KAAKC,OAAnF,GACA,eADA,GACkB,KAAKC,UADvB,GACoC,UADpC,GACiD,KAAKC,KAD9D;AAED,G;;;;AAGH;;;;;;IAIMW,iB;;;AAGJ,6BAAazC,KAAb,EAA6B0B,UAA7B,EAAkDC,SAAlD,EAAuEC,OAAvE,EAA0FC,UAA1F,EAA+GC,KAA/G,EAAgI;AAAA,SAFhI9B,KAEgI;AAAA,SADhI0C,QACgI;AAC9H,SAAK1C,KAAL,GAAaA,KAAK,IAAI,GAAtB,CAD8H,CACnG;;AAC3B,SAAK0C,QAAL,GAAgB,IAAIjB,QAAJ,CAAaC,UAAb,EAAyBC,SAAzB,EAAoCC,OAApC,EAA6CC,UAA7C,EAAyDC,KAAzD,CAAhB;AACD;;;;UAEDC,K,GAAA,iBAAS;AACP,SAAK/B,KAAL,GAAa,GAAb;AACA,SAAK0C,QAAL,CAAcX,KAAd;AACD,G;;UAEDY,O,GAAA,iBAAS3C,KAAT,EAAwBwC,WAAxB,EAA+C;AAC7C,SAAKxC,KAAL,GAAaA,KAAb;AACA,SAAK0C,QAAL,CAAcH,IAAd,CAAmBC,WAAnB;AACD,G;;UAEDI,W,GAAA,qBAAaJ,WAAb,EAAoC;AAClC,SAAKE,QAAL,CAAcH,IAAd,CAAmBC,WAAnB;AACD,G;;UAEDH,M,GAAA,gBAAQC,KAAR,EAAkC;AAChC,WAAO,KAAKtC,KAAL,KAAesC,KAAK,CAACtC,KAArB,IAA8B,KAAK0C,QAAL,CAAcL,MAAd,CAAqBC,KAAK,CAACI,QAA3B,CAArC;AACD,G;;UAEDH,I,GAAA,cAAMM,OAAN,EAAkC;AAChC,SAAK7C,KAAL,GAAa6C,OAAO,CAAC7C,KAArB;AACA,SAAK0C,QAAL,CAAcH,IAAd,CAAmBM,OAAO,CAACH,QAA3B;AACD,G;;UAED5C,O,GAAA,mBAAoB;AAClB,WAAO,KAAKE,KAAL,KAAe,GAAf,IAAsB,KAAK0C,QAAL,CAAcN,SAAd,EAA7B;AACD,G;;;;AAGH;;;;;;AAIO,IAAMU,GAAb;AAAA;AAAA;AAKE,iBAAe;AAAA,SAJR/C,KAIQ;AAAA,SAHR/8C,GAGQ;AAAA,SAFR+/C,YAEQ;AAAA,SADR9C,YACQ;AACb,SAAKF,KAAL,GAAa,EAAb;;AACA,SAAK,IAAI11D,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGm2D,OAApB,EAA6Bn2D,CAAC,EAA9B,EAAkC;AAChC,WAAK01D,KAAL,CAAWhtD,IAAX,CAAgB,IAAI0vD,iBAAJ,EAAhB;AACD;;AAED,SAAKz/C,GAAL,GAAW,CAAX;AACA,SAAK+/C,YAAL,GAAoB,IAAItB,QAAJ,EAApB;AACD;;AAbH;;AAAA,UAeEY,MAfF,GAeE,gBAAQC,KAAR,EAAoB;AAClB,QAAIU,KAAK,GAAG,IAAZ;;AACA,SAAK,IAAI34D,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGm2D,OAApB,EAA6Bn2D,CAAC,EAA9B,EAAkC;AAChC,UAAI,CAAC,KAAK01D,KAAL,CAAW11D,CAAX,EAAcg4D,MAAd,CAAqBC,KAAK,CAACvC,KAAN,CAAY11D,CAAZ,CAArB,CAAL,EAA2C;AACzC24D,aAAK,GAAG,KAAR;AACA;AACD;AACF;;AACD,WAAOA,KAAP;AACD,GAxBH;;AAAA,UA0BET,IA1BF,GA0BE,cAAMD,KAAN,EAAkB;AAChB,SAAK,IAAIj4D,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGm2D,OAApB,EAA6Bn2D,CAAC,EAA9B,EAAkC;AAChC,WAAK01D,KAAL,CAAW11D,CAAX,EAAck4D,IAAd,CAAmBD,KAAK,CAACvC,KAAN,CAAY11D,CAAZ,CAAnB;AACD;AACF,GA9BH;;AAAA,UAgCEy1D,OAhCF,GAgCE,mBAAoB;AAClB,QAAImD,KAAK,GAAG,IAAZ;;AACA,SAAK,IAAI54D,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGm2D,OAApB,EAA6Bn2D,CAAC,EAA9B,EAAkC;AAChC,UAAI,CAAC,KAAK01D,KAAL,CAAW11D,CAAX,EAAcy1D,OAAd,EAAL,EAA8B;AAC5BmD,aAAK,GAAG,KAAR;AACA;AACD;AACF;;AACD,WAAOA,KAAP;AACD;AAED;;;AA3CF;;AAAA,UA8CEC,SA9CF,GA8CE,mBAAWC,MAAX,EAA2B;AACzB,QAAI,KAAKngD,GAAL,KAAamgD,MAAjB,EAAyB;AACvB,WAAKngD,GAAL,GAAWmgD,MAAX;AACD;;AAED,QAAI,KAAKngD,GAAL,GAAW,CAAf,EAAkB;AAChBjU,2BAAM,CAACC,GAAP,CAAW,OAAX,EAAoB,8BAA8B,KAAKgU,GAAvD;AACA,WAAKA,GAAL,GAAW,CAAX;AACD,KAHD,MAGO,IAAI,KAAKA,GAAL,GAAWw9C,OAAf,EAAwB;AAC7BzxD,2BAAM,CAACC,GAAP,CAAW,OAAX,EAAoB,+BAA+B,KAAKgU,GAAxD;AACA,WAAKA,GAAL,GAAWw9C,OAAX;AACD;AACF;AAED;;;AA5DF;;AAAA,UA+DE4C,UA/DF,GA+DE,oBAAYC,MAAZ,EAA4B;AAC1B,QAAIC,MAAM,GAAG,KAAKtgD,GAAL,GAAWqgD,MAAxB;;AACA,QAAIA,MAAM,GAAG,CAAb,EAAgB;AACd,WAAK,IAAIh5D,CAAC,GAAG,KAAK2Y,GAAL,GAAW,CAAxB,EAA2B3Y,CAAC,GAAGi5D,MAAM,GAAG,CAAxC,EAA2Cj5D,CAAC,EAA5C,EAAgD;AAC9C,aAAK01D,KAAL,CAAW11D,CAAX,EAAcu4D,WAAd,CAA0B,KAAKG,YAA/B;AACD;AACF;;AACD,SAAKG,SAAL,CAAeI,MAAf;AACD;AAED;;;AAzEF;;AAAA,UA4EEC,SA5EF,GA4EE,qBAAa;AACX,SAAKH,UAAL,CAAgB,CAAC,CAAjB;AACA,SAAKrD,KAAL,CAAW,KAAK/8C,GAAhB,EAAqB2/C,OAArB,CAA6B,GAA7B,EAAkC,KAAKI,YAAvC;AACD,GA/EH;;AAAA,UAiFES,UAjFF,GAiFE,oBAAYnD,IAAZ,EAA0B;AACxB,QAAIA,IAAI,IAAI,IAAZ,EAAkB;AAAE;AAClB,WAAKkD,SAAL;AACD;;AACD,QAAIE,IAAI,GAAGrD,cAAc,CAACC,IAAD,CAAzB;;AACA,QAAI,KAAKr9C,GAAL,IAAYw9C,OAAhB,EAAyB;AACvBzxD,2BAAM,CAACC,GAAP,CAAW,OAAX,EAAoB,mBAAmBqxD,IAAI,CAACj+C,QAAL,CAAc,EAAd,CAAnB,GACF,IADE,GACKqhD,IADL,GACY,gBADZ,GAC+B,KAAKzgD,GADpC,GAC0C,gBAD9D;AAEA;AACD;;AACD,SAAK+8C,KAAL,CAAW,KAAK/8C,GAAhB,EAAqB2/C,OAArB,CAA6Bc,IAA7B,EAAmC,KAAKV,YAAxC;AACA,SAAKK,UAAL,CAAgB,CAAhB;AACD,GA7FH;;AAAA,UA+FEM,YA/FF,GA+FE,sBAAcC,QAAd,EAAgC;AAC9B,QAAIt5D,CAAJ;;AACA,SAAKA,CAAC,GAAGs5D,QAAT,EAAmBt5D,CAAC,GAAGm2D,OAAvB,EAAgCn2D,CAAC,EAAjC,EAAqC;AACnC,WAAK01D,KAAL,CAAW11D,CAAX,EAAc03D,KAAd;AACD;AACF,GApGH;;AAAA,UAsGE6B,KAtGF,GAsGE,iBAAS;AACP,SAAKF,YAAL,CAAkB,CAAlB;AACA,SAAK1gD,GAAL,GAAW,CAAX;AACA,SAAK+/C,YAAL,CAAkBhB,KAAlB;AACD,GA1GH;;AAAA,UA4GE8B,eA5GF,GA4GE,2BAAmB;AACjB,SAAKH,YAAL,CAAkB,KAAK1gD,GAAvB;AACD,GA9GH;;AAAA,UAgHE8gD,aAhHF,GAgHE,yBAAiB;AACf,QAAI/D,KAAe,GAAG,EAAtB;AACA,QAAIkD,KAAK,GAAG,IAAZ;;AACA,SAAK,IAAI54D,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGm2D,OAApB,EAA6Bn2D,CAAC,EAA9B,EAAkC;AAChC,UAAIo5D,IAAI,GAAG,KAAK1D,KAAL,CAAW11D,CAAX,EAAc21D,KAAzB;;AACA,UAAIyD,IAAI,KAAK,GAAb,EAAkB;AAChBR,aAAK,GAAG,KAAR;AACD;;AAEDlD,WAAK,CAAChtD,IAAN,CAAW0wD,IAAX;AACD;;AACD,QAAIR,KAAJ,EAAW;AACT,aAAO,EAAP;AACD,KAFD,MAEO;AACL,aAAOlD,KAAK,CAACx9C,IAAN,CAAW,EAAX,CAAP;AACD;AACF,GAhIH;;AAAA,UAkIEwhD,YAlIF,GAkIE,sBAAc9B,MAAd,EAA0C;AACxC,SAAKc,YAAL,CAAkBf,SAAlB,CAA4BC,MAA5B;AACA,QAAI+B,QAAQ,GAAG,KAAKjE,KAAL,CAAW,KAAK/8C,GAAhB,CAAf;AACAghD,YAAQ,CAACpB,WAAT,CAAqB,KAAKG,YAA1B;AACD,GAtIH;;AAAA;AAAA;AAyIA;;;;;AAIO,IAAMkB,aAAb;AAAA;AAAA;AAKE,2BAAe;AAAA,SAJfpE,IAIe;AAAA,SAHfqE,OAGe;AAAA,SAFfC,YAEe;AAAA,SADfC,gBACe;AACb,SAAKvE,IAAL,GAAY,EAAZ;;AACA,SAAK,IAAIx1D,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGk2D,OAApB,EAA6Bl2D,CAAC,EAA9B,EAAkC;AAChC,WAAKw1D,IAAL,CAAU9sD,IAAV,CAAe,IAAI+vD,GAAJ,EAAf;AACD,KAJY,CAIX;;;AAEF,SAAKoB,OAAL,GAAe3D,OAAO,GAAG,CAAzB;AACA,SAAK4D,YAAL,GAAoB,IAApB;AACA,SAAKpC,KAAL;AACD;;AAdH;;AAAA,UAgBEA,KAhBF,GAgBE,iBAAS;AACP,SAAK,IAAI13D,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGk2D,OAApB,EAA6Bl2D,CAAC,EAA9B,EAAkC;AAChC,WAAKw1D,IAAL,CAAUx1D,CAAV,EAAau5D,KAAb;AACD;;AAED,SAAKM,OAAL,GAAe3D,OAAO,GAAG,CAAzB;AACD,GAtBH;;AAAA,UAwBE8B,MAxBF,GAwBE,gBAAQC,KAAR,EAAuC;AACrC,QAAIU,KAAK,GAAG,IAAZ;;AACA,SAAK,IAAI34D,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGk2D,OAApB,EAA6Bl2D,CAAC,EAA9B,EAAkC;AAChC,UAAI,CAAC,KAAKw1D,IAAL,CAAUx1D,CAAV,EAAag4D,MAAb,CAAoBC,KAAK,CAACzC,IAAN,CAAWx1D,CAAX,CAApB,CAAL,EAAyC;AACvC24D,aAAK,GAAG,KAAR;AACA;AACD;AACF;;AACD,WAAOA,KAAP;AACD,GAjCH;;AAAA,UAmCET,IAnCF,GAmCE,cAAMD,KAAN,EAA4B;AAC1B,SAAK,IAAIj4D,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGk2D,OAApB,EAA6Bl2D,CAAC,EAA9B,EAAkC;AAChC,WAAKw1D,IAAL,CAAUx1D,CAAV,EAAak4D,IAAb,CAAkBD,KAAK,CAACzC,IAAN,CAAWx1D,CAAX,CAAlB;AACD;AACF,GAvCH;;AAAA,UAyCEy1D,OAzCF,GAyCE,mBAAoB;AAClB,QAAImD,KAAK,GAAG,IAAZ;;AACA,SAAK,IAAI54D,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGk2D,OAApB,EAA6Bl2D,CAAC,EAA9B,EAAkC;AAChC,UAAI,CAAC,KAAKw1D,IAAL,CAAUx1D,CAAV,EAAay1D,OAAb,EAAL,EAA6B;AAC3BmD,aAAK,GAAG,KAAR;AACA;AACD;AACF;;AACD,WAAOA,KAAP;AACD,GAlDH;;AAAA,UAoDEM,SApDF,GAoDE,qBAAa;AACX,QAAI7D,GAAG,GAAG,KAAKG,IAAL,CAAU,KAAKqE,OAAf,CAAV;AACAxE,OAAG,CAAC6D,SAAJ;AACD,GAvDH;;AAAA,UAyDEM,eAzDF,GAyDE,2BAAmB;AACjB,QAAInE,GAAG,GAAG,KAAKG,IAAL,CAAU,KAAKqE,OAAf,CAAV;AACAxE,OAAG,CAACmE,eAAJ;AACD;AAED;;;AA9DF;;AAAA,UAiEEL,UAjEF,GAiEE,oBAAYC,IAAZ,EAA0B;AACxB,QAAI/D,GAAG,GAAG,KAAKG,IAAL,CAAU,KAAKqE,OAAf,CAAV;AACAxE,OAAG,CAAC8D,UAAJ,CAAeC,IAAf;AACD,GApEH;;AAAA,UAsEEY,MAtEF,GAsEE,gBAAQpC,MAAR,EAAoC;AAClC,QAAIvC,GAAG,GAAG,KAAKG,IAAL,CAAU,KAAKqE,OAAf,CAAV;AACAxE,OAAG,CAACqE,YAAJ,CAAiB9B,MAAjB;AACD,GAzEH;;AAAA,UA2EEmB,UA3EF,GA2EE,oBAAYC,MAAZ,EAA4B;AAC1B,QAAI3D,GAAG,GAAG,KAAKG,IAAL,CAAU,KAAKqE,OAAf,CAAV;AACAxE,OAAG,CAAC0D,UAAJ,CAAeC,MAAf;AACD,GA9EH;;AAAA,UAgFEH,SAhFF,GAgFE,mBAAWC,MAAX,EAA2B;AACzBp0D,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,gBAAgBm0D,MAAnC;AACA,QAAIzD,GAAG,GAAG,KAAKG,IAAL,CAAU,KAAKqE,OAAf,CAAV;AACAxE,OAAG,CAACwD,SAAJ,CAAcC,MAAd;AACD,GApFH;;AAAA,UAsFEmB,MAtFF,GAsFE,gBAAQC,OAAR,EAA0B;AACxBx1D,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,eAAemkB,IAAI,CAACgf,SAAL,CAAeoyB,OAAf,CAAlC;AACA,QAAIC,MAAM,GAAGD,OAAO,CAAC7E,GAAR,GAAc,CAA3B;;AACA,QAAI,KAAKyE,YAAL,IAAqBK,MAAM,GAAG,KAAKL,YAAL,GAAoB,CAAtD,EAAyD;AACvDK,YAAM,GAAG,KAAKL,YAAL,GAAoB,CAA7B;AACD,KALuB,CAOxB;;;AACA,QAAI,KAAKA,YAAL,IAAqB,KAAKD,OAAL,KAAiBM,MAA1C,EAAkD;AAChD;AACA,WAAK,IAAIn6D,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGk2D,OAApB,EAA6Bl2D,CAAC,EAA9B,EAAkC;AAChC,aAAKw1D,IAAL,CAAUx1D,CAAV,EAAau5D,KAAb;AACD,OAJ+C,CAMhD;AACA;;;AACA,UAAIa,WAAW,GAAG,KAAKP,OAAL,GAAe,CAAf,GAAoB,KAAKC,YAA3C,CARgD,CAShD;AACA;;AACA,UAAMC,gBAAgB,GAAG,KAAKA,gBAA9B;;AACA,UAAIA,gBAAJ,EAAsB;AACpB,YAAIM,YAAY,GAAGN,gBAAgB,CAACvE,IAAjB,CAAsB4E,WAAtB,EAAmCxE,YAAtD;;AACA,YAAIyE,YAAY,IAAI31D,qBAAM,CAACm/B,IAAvB,IAA+Bw2B,YAAY,GAAG31D,qBAAM,CAACm/B,IAAzD,EAA+D;AAC7D,eAAK,IAAI7jC,EAAC,GAAG,CAAb,EAAgBA,EAAC,GAAG,KAAK85D,YAAzB,EAAuC95D,EAAC,EAAxC,EAA4C;AAC1C,iBAAKw1D,IAAL,CAAU2E,MAAM,GAAG,KAAKL,YAAd,GAA6B95D,EAA7B,GAAiC,CAA3C,EAA8Ck4D,IAA9C,CAAmD6B,gBAAgB,CAACvE,IAAjB,CAAsB4E,WAAW,GAAGp6D,EAApC,CAAnD;AACD;AACF;AACF;AACF;;AAED,SAAK65D,OAAL,GAAeM,MAAf;AACA,QAAI9E,GAAG,GAAG,KAAKG,IAAL,CAAU,KAAKqE,OAAf,CAAV;;AACA,QAAIK,OAAO,CAAC3E,MAAR,KAAmB,IAAvB,EAA6B;AAC3B,UAAIA,MAAM,GAAG2E,OAAO,CAAC3E,MAArB;AACA,UAAI+E,OAAO,GAAGpuD,IAAI,CAAC+U,GAAL,CAASs0C,MAAM,GAAG,CAAlB,EAAqB,CAArB,CAAd;AACAF,SAAG,CAACwD,SAAJ,CAAcqB,OAAO,CAAC3E,MAAtB;AACA2E,aAAO,CAACK,KAAR,GAAgBlF,GAAG,CAACK,KAAJ,CAAU4E,OAAV,EAAmBjC,QAAnB,CAA4BhB,UAA5C;AACD;;AACD,QAAIO,MAAiB,GAAG;AAAEP,gBAAU,EAAE6C,OAAO,CAACK,KAAtB;AAA6BjD,eAAS,EAAE4C,OAAO,CAAC5C,SAAhD;AAA2DC,aAAO,EAAE2C,OAAO,CAAC3C,OAA5E;AAAqFC,gBAAU,EAAE,OAAjG;AAA0GC,WAAK,EAAE;AAAjH,KAAxB;AACA,SAAKuC,MAAL,CAAYpC,MAAZ;AACD;AAED;;;AAhIF;;AAAA,UAmIE4C,UAnIF,GAmIE,oBAAYC,OAAZ,EAAyC;AACvC/1D,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,eAAemkB,IAAI,CAACgf,SAAL,CAAe2yB,OAAf,CAAlC;AACA,SAAKvB,SAAL;AACA,SAAKc,MAAL,CAAYS,OAAZ;AACA,SAAKtB,UAAL,CAAgB,IAAhB,EAJuC,CAIhB;AACxB,GAxIH;;AAAA,UA0IEuB,aA1IF,GA0IE,uBAAeC,MAAf,EAAsC;AACpC,SAAKb,YAAL,GAAoBa,MAApB;AACD,GA5IH;;AAAA,UA8IEC,MA9IF,GA8IE,kBAAU;AACR,QAAI,KAAKd,YAAL,KAAsB,IAA1B,EAAgC;AAC9Bp1D,2BAAM,CAACC,GAAP,CAAW,OAAX,EAAoB,sCAApB;AACA,aAF8B,CAEtB;AACT;;AACDD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,KAAKk2D,cAAL,EAAnB;AACA,QAAIT,WAAW,GAAG,KAAKP,OAAL,GAAe,CAAf,GAAmB,KAAKC,YAA1C;AACA,QAAIgB,MAAM,GAAG,KAAKtF,IAAL,CAAU1/C,MAAV,CAAiBskD,WAAjB,EAA8B,CAA9B,EAAiC,CAAjC,CAAb;AACAU,UAAM,CAACvB,KAAP;AACA,SAAK/D,IAAL,CAAU1/C,MAAV,CAAiB,KAAK+jD,OAAtB,EAA+B,CAA/B,EAAkCiB,MAAlC;AACAp2D,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,YAAnB,EAVQ,CAWR;AACD;AAED;;;AA5JF;;AAAA,UA+JEk2D,cA/JF,GA+JE,wBAAgBE,QAAhB,EAAoC;AAClCA,YAAQ,GAAGA,QAAQ,IAAI,KAAvB;AACA,QAAIC,WAAqB,GAAG,EAA5B;AACA,QAAI9pD,IAAI,GAAG,EAAX;AACA,QAAI+pD,KAAK,GAAG,CAAC,CAAb;;AACA,SAAK,IAAIj7D,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGk2D,OAApB,EAA6Bl2D,CAAC,EAA9B,EAAkC;AAChC,UAAIk7D,OAAO,GAAG,KAAK1F,IAAL,CAAUx1D,CAAV,EAAay5D,aAAb,EAAd;;AACA,UAAIyB,OAAJ,EAAa;AACXD,aAAK,GAAGj7D,CAAC,GAAG,CAAZ;;AACA,YAAI+6D,QAAJ,EAAc;AACZC,qBAAW,CAACtyD,IAAZ,CAAiB,SAASuyD,KAAT,GAAiB,MAAjB,GAA0BC,OAA1B,GAAoC,IAArD;AACD,SAFD,MAEO;AACLF,qBAAW,CAACtyD,IAAZ,CAAiBwyD,OAAO,CAACrF,IAAR,EAAjB;AACD;AACF;AACF;;AACD,QAAImF,WAAW,CAAC35D,MAAZ,GAAqB,CAAzB,EAA4B;AAC1B,UAAI05D,QAAJ,EAAc;AACZ7pD,YAAI,GAAG,MAAM8pD,WAAW,CAAC9iD,IAAZ,CAAiB,KAAjB,CAAN,GAAgC,GAAvC;AACD,OAFD,MAEO;AACLhH,YAAI,GAAG8pD,WAAW,CAAC9iD,IAAZ,CAAiB,IAAjB,CAAP;AACD;AACF;;AACD,WAAOhH,IAAP;AACD,GAvLH;;AAAA,UAyLEiqD,gBAzLF,GAyLE,4BAAoB;AAClB,WAAO,KAAK3F,IAAZ;AACD,GA3LH;;AAAA;AAAA,I,CA8LA;;IAIM4F,a;;;AAYJ,yBAAaC,aAAb,EAAoCC,YAApC,EAAgE;AAAA,SAXhEC,IAWgE;AAAA,SAVhED,YAUgE;AAAA,SAThE9c,IASgE;AAAA,SARhEgd,OAQgE;AAAA,SAPhEC,eAOgE;AAAA,SANhEC,kBAMgE;AAAA,SALhE3B,gBAKgE;AAAA,SAJhE4B,aAIgE;AAAA,SAHhEC,WAGgE;AAAA,SAFhEhG,YAEgE;AAAA,SADhEiG,cACgE;AAC9D,SAAKN,IAAL,GAAYF,aAAZ;AACA,SAAKC,YAAL,GAAoBA,YAApB;AACA,SAAK9c,IAAL,GAAY,IAAZ;AACA,SAAKgd,OAAL,GAAe,CAAf;AACA,SAAKC,eAAL,GAAuB,IAAI7B,aAAJ,EAAvB;AACA,SAAK8B,kBAAL,GAA0B,IAAI9B,aAAJ,EAA1B;AACA,SAAKG,gBAAL,GAAwB,IAAIH,aAAJ,EAAxB;AACA,SAAK+B,aAAL,GAAqB,KAAKF,eAAL,CAAqBjG,IAArB,CAA0BU,OAAO,GAAG,CAApC,CAArB;AACA,SAAK0F,WAAL,GAAmB,KAAKH,eAAxB;AACA,SAAKjd,IAAL,GAAY,IAAZ;AACA,SAAKoX,YAAL,GAAoB,IAApB,CAX8D,CAWpC;AAC3B;;;;UAED8B,K,GAAA,iBAAS;AACP,SAAKlZ,IAAL,GAAY,IAAZ;AACA,SAAKid,eAAL,CAAqB/D,KAArB;AACA,SAAKgE,kBAAL,CAAwBhE,KAAxB;AACA,SAAKqC,gBAAL,CAAsBrC,KAAtB;AACA,SAAKiE,aAAL,GAAqB,KAAKF,eAAL,CAAqBjG,IAArB,CAA0BU,OAAO,GAAG,CAApC,CAArB;AACA,SAAK0F,WAAL,GAAmB,KAAKH,eAAxB;AACA,SAAKjd,IAAL,GAAY,IAAZ;AACA,SAAKoX,YAAL,GAAoB,IAApB;AACD,G;;UAEDkG,U,GAAA,sBAA4B;AAC1B,WAAO,KAAKR,YAAZ;AACD,G;;UAEDS,U,GAAA,oBAAYC,UAAZ,EAAsC;AACpC,SAAKV,YAAL,GAAoBU,UAApB;AACD,G;;UAED/B,M,GAAA,gBAAQC,OAAR,EAA0B;AACxB,SAAK0B,WAAL,CAAiB3B,MAAjB,CAAwBC,OAAxB;AACD,G;;UAEDM,U,GAAA,oBAAYC,OAAZ,EAAyC;AACvC,SAAKmB,WAAL,CAAiBpB,UAAjB,CAA4BC,OAA5B;AACD,G;;UAEDwB,O,GAAA,iBAASC,OAAT,EAAgC;AAC9B,QAAIA,OAAO,KAAK,KAAK1d,IAArB,EAA2B;AACzB;AACD;;AAED,SAAKA,IAAL,GAAY0d,OAAZ;AACAx3D,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,UAAUu3D,OAA7B;;AACA,QAAI,KAAK1d,IAAL,KAAc,aAAlB,EAAiC;AAC/B,WAAKod,WAAL,GAAmB,KAAKF,kBAAxB;AACD,KAFD,MAEO;AACL,WAAKE,WAAL,GAAmB,KAAKH,eAAxB;AACA,WAAKG,WAAL,CAAiBlE,KAAjB;AACD;;AACD,QAAI,KAAKlZ,IAAL,KAAc,cAAlB,EAAkC;AAChC,WAAKid,eAAL,CAAqB3B,YAArB,GAAoC,IAApC;AACA,WAAK4B,kBAAL,CAAwB5B,YAAxB,GAAuC,IAAvC;AACD;;AACD,SAAKtb,IAAL,GAAY0d,OAAZ;AACD,G;;UAEDC,W,GAAA,qBAAazG,KAAb,EAA8B;AAC5B,SAAK,IAAI11D,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG01D,KAAK,CAACr0D,MAA1B,EAAkCrB,CAAC,EAAnC,EAAuC;AACrC,WAAK47D,WAAL,CAAiBzC,UAAjB,CAA4BzD,KAAK,CAAC11D,CAAD,CAAjC;AACD;;AAED,QAAIo8D,MAAM,GAAG,KAAKR,WAAL,KAAqB,KAAKH,eAA1B,GAA4C,MAA5C,GAAqD,UAAlE;AACA/2D,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmBy3D,MAAM,GAAG,IAAT,GAAgB,KAAKR,WAAL,CAAiBf,cAAjB,CAAgC,IAAhC,CAAnC;;AACA,QAAI,KAAKrc,IAAL,KAAc,eAAd,IAAiC,KAAKA,IAAL,KAAc,cAAnD,EAAmE;AACjE95C,2BAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,gBAAgB,KAAK82D,eAAL,CAAqBZ,cAArB,CAAoC,IAApC,CAAnC;AACA,WAAKwB,gBAAL;AACD;AACF,G;;UAEDC,K,GAAA,iBAAS;AAAE;AACT53D,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,8BAAnB;AACA,SAAKs3D,OAAL,CAAa,aAAb;AACD,G;;UAEDM,I,GAAA,gBAAQ;AAAE;AACR73D,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,gBAAnB;;AACA,QAAI,KAAK65C,IAAL,KAAc,WAAlB,EAA+B;AAC7B;AACD;;AAED,SAAKod,WAAL,CAAiB1C,SAAjB;;AACA,QAAI,KAAK0C,WAAL,KAAqB,KAAKH,eAA9B,EAA+C;AAC7C,WAAKY,gBAAL;AACD;AACF,G;;UAEDG,K,GAAA,iBAAS,CAAE;AAEV,G;;UAEDC,K,GAAA,iBAAS,CAAE;AAEV,G;;UAEDC,K,GAAA,iBAAS;AAAE;AACTh4D,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,2BAAnB;AACA,SAAKi3D,WAAL,CAAiBpC,eAAjB;AACA,SAAK6C,gBAAL;AACD,G;;UAEDM,I,GAAA,cAAMhC,MAAN,EAA6B;AAAE;AAC7Bj2D,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,QAAQg2D,MAAR,GAAiB,aAApC;AACA,SAAKiB,WAAL,GAAmB,KAAKH,eAAxB;AACA,SAAKQ,OAAL,CAAa,cAAb;AACA,SAAKL,WAAL,CAAiBlB,aAAjB,CAA+BC,MAA/B;AACD,G;;UAEDiC,K,GAAA,iBAAS;AAAE;AACTl4D,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,gBAAnB;AACA,SAAKi3D,WAAL,CAAiB5B,MAAjB,CAAwB;AAAEvC,WAAK,EAAE;AAAT,KAAxB;AACD,G;;UAEDoF,K,GAAA,iBAAS;AAAE;AACTn4D,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,gCAAnB;AACA,SAAKs3D,OAAL,CAAa,eAAb;AACD,G;;UAEDa,I,GAAA,gBAAQ;AAAE;AACRp4D,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,IAAnB;AACA,SAAKs3D,OAAL,CAAa,WAAb;AACD,G;;UAEDc,K,GAAA,iBAAS;AAAE;AACTr4D,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,KAAnB;AACA,SAAKs3D,OAAL,CAAa,WAAb;AACD,G;;UAEDe,K,GAAA,iBAAS;AAAE;AACTt4D,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,8BAAnB;AACA,SAAK82D,eAAL,CAAqB/D,KAArB;AACA,SAAK2E,gBAAL,CAAsB,IAAtB;AACD,G;;UAEDY,I,GAAA,gBAAQ;AAAE;AACRv4D,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,sBAAnB;AACA,SAAKi3D,WAAL,CAAiBhB,MAAjB;AACA,SAAKyB,gBAAL,CAAsB,IAAtB;AACD,G;;UAEDa,K,GAAA,iBAAS;AAAE;AACTx4D,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,kCAAnB;AACA,SAAK+2D,kBAAL,CAAwBhE,KAAxB;AACD,G;;UAEDyF,K,GAAA,iBAAS;AAAE;AACTz4D,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,sBAAnB;;AACA,QAAI,KAAK65C,IAAL,KAAc,aAAlB,EAAiC;AAC/B,UAAIjlC,GAAG,GAAG,KAAKkiD,eAAf;AACA,WAAKA,eAAL,GAAuB,KAAKC,kBAA5B;AACA,WAAKA,kBAAL,GAA0BniD,GAA1B;AACA,WAAKqiD,WAAL,GAAmB,KAAKF,kBAAxB;AACAh3D,2BAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,WAAW,KAAK82D,eAAL,CAAqBZ,cAArB,EAA9B;AACD;;AACD,SAAKwB,gBAAL,CAAsB,IAAtB;AACD,G;;UAEDe,I,GAAA,cAAMC,MAAN,EAAsB;AAAE;AACtB34D,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,QAAQ04D,MAAR,GAAiB,gBAApC;AACA,SAAKzB,WAAL,CAAiB7C,UAAjB,CAA4BsE,MAA5B;AACD,G;;UAEDC,Q,GAAA,kBAAU7lD,UAAV,EAA8B;AAAE;AAC9B,QAAImgD,MAA0B,GAAG;AAAEH,WAAK,EAAE;AAAT,KAAjC;AACAG,UAAM,CAACN,SAAP,GAAmB7/C,UAAU,GAAG,CAAb,KAAmB,CAAtC;AACAmgD,UAAM,CAACL,OAAP,GAAiB9/C,UAAU,IAAI,IAA/B;;AACA,QAAI,CAACmgD,MAAM,CAACL,OAAZ,EAAqB;AACnB,UAAIgG,UAAU,GAAGrxD,IAAI,CAACkE,KAAL,CAAWqH,UAAU,GAAG,CAAxB,IAA6B,IAA9C;AACA,UAAI+lD,MAAM,GAAG,CAAC,OAAD,EAAU,OAAV,EAAmB,MAAnB,EAA2B,MAA3B,EAAmC,KAAnC,EAA0C,QAA1C,EAAoD,SAApD,CAAb;AACA5F,YAAM,CAACP,UAAP,GAAoBmG,MAAM,CAACD,UAAD,CAA1B;AACD,KAJD,MAIO;AACL3F,YAAM,CAACP,UAAP,GAAoB,OAApB;AACD;;AACD3yD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,aAAamkB,IAAI,CAACgf,SAAL,CAAe8vB,MAAf,CAAhC;AACA,SAAKgE,WAAL,CAAiB5B,MAAjB,CAAwBpC,MAAxB;AACD,G;;UAEDyE,gB,GAAA,0BAAkBoB,QAAlB,EAAoC;AAAA,QAAlBA,QAAkB;AAAlBA,cAAkB,GAAP,KAAO;AAAA;;AAClC,QAAIx8D,CAAC,GAAGyD,qBAAM,CAACm/B,IAAf;;AACA,QAAI5iC,CAAC,KAAK,IAAV,EAAgB;AACd;AACD;;AAED,QAAI,KAAKq6D,YAAT,EAAuB;AACrB,UAAI,KAAK1F,YAAL,KAAsB,IAAtB,IAA8B,CAAC,KAAK6F,eAAL,CAAqBhG,OAArB,EAAnC,EAAmE;AAAE;AACnE,aAAKG,YAAL,GAAoB30D,CAApB;AACD,OAFD,MAEO;AACL,YAAI,CAAC,KAAKw6D,eAAL,CAAqBzD,MAArB,CAA4B,KAAK+B,gBAAjC,CAAL,EAAyD;AACvD,eAAKuB,YAAL,CAAkBnG,MAAlB,CAAyB,KAAKS,YAA9B,EAA6C30D,CAA7C,EAAgD,KAAK84D,gBAArD;;AACA,cAAI0D,QAAQ,IAAI,KAAKnC,YAAL,CAAkBoC,WAAlC,EAA+C;AAC7C,iBAAKpC,YAAL,CAAkBoC,WAAlB;AACD;;AAED,eAAK9H,YAAL,GAAoB,KAAK6F,eAAL,CAAqBhG,OAArB,KAAiC,IAAjC,GAAwCx0D,CAA5D;AACD;AACF;;AACD,WAAK84D,gBAAL,CAAsB7B,IAAtB,CAA2B,KAAKuD,eAAhC;AACD;AACF,G;;UAEDkC,c,GAAA,wBAAgB18D,CAAhB,EAA2B;AACzB,QAAI,KAAKq6D,YAAT,EAAuB;AACrB,UAAI,CAAC,KAAKG,eAAL,CAAqBhG,OAArB,EAAL,EAAqC;AACnC,YAAI,KAAK6F,YAAL,CAAkBnG,MAAtB,EAA8B;AAC5B,eAAKmG,YAAL,CAAkBnG,MAAlB,CAAyB,KAAKS,YAA9B,EAA6C30D,CAA7C,EAAgD,KAAKw6D,eAArD;AACD;;AAED,aAAK7F,YAAL,GAAoB30D,CAApB;AACD;AACF;AACF,G;;;;;IAWG28D,Y;;;AASJ,wBAAaC,KAAb,EAA4BC,IAA5B,EAAgDC,IAAhD,EAAoE;AAAA,SARpEF,KAQoE;AAAA,SAPpEG,OAOoE;AAAA,SANpEC,QAMoE;AAAA,SALpEC,QAKoE;AAAA,SAJpEC,QAIoE;AAAA,SAHpEC,QAGoE;AAAA,SAFpErT,QAEoE;AAAA,SADpEsT,YACoE;AAClE,SAAKR,KAAL,GAAaA,KAAK,IAAI,CAAtB;AACA,SAAKG,OAAL,GAAe,CAACF,IAAD,EAAOC,IAAP,CAAf;AACA,SAAKE,QAAL,GAAgB,CAAC,IAAI7C,aAAJ,CAAkB,CAAlB,EAAqB0C,IAArB,CAAD,EAA6B,IAAI1C,aAAJ,CAAkB,CAAlB,EAAqB2C,IAArB,CAA7B,CAAhB;AACA,SAAKG,QAAL,GAAgB,CAAC,CAAjB,CAJkE,CAI9C;;AACpB,SAAKC,QAAL,GAAgB,IAAhB,CALkE,CAK5C;;AACtB,SAAKC,QAAL,GAAgB,IAAhB,CANkE,CAM5C;;AACtB,SAAKrT,QAAL,GAAgB,IAAhB;AACA,SAAKsT,YAAL,GAAoB;AAAE,iBAAW,CAAb;AAAgB,cAAQ,CAAxB;AAA2B,aAAO,CAAlC;AAAqC,eAAS;AAA9C,KAApB;AACD;;;;UAEDvC,U,GAAA,oBAAYt1C,KAAZ,EAA2B;AACzB,WAAO,KAAKy3C,QAAL,CAAcz3C,KAAd,EAAqBs1C,UAArB,EAAP;AACD,G;;UAEDC,U,GAAA,oBAAYv1C,KAAZ,EAA2Bw1C,UAA3B,EAAqD;AACnD,SAAKiC,QAAL,CAAcz3C,KAAd,EAAqBu1C,UAArB,CAAgCC,UAAhC;AACD;AAED;;;;;UAGAsC,O,GAAA,iBAASr9D,CAAT,EAA2Bs9D,QAA3B,EAA+C;AAC7C,QAAIC,QAAJ;AAAA,QAAuBr7C,CAAvB;AAAA,QAAkChM,CAAlC;AAAA,QACEsnD,UAAqC,GAAG,KAD1C;AAGA,SAAK1T,QAAL,GAAgB9pD,CAAhB;AACAyD,yBAAM,CAACkyD,OAAP,CAAe31D,CAAf;;AAEA,SAAK,IAAIjB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGu+D,QAAQ,CAACl9D,MAA7B,EAAqCrB,CAAC,IAAI,CAA1C,EAA6C;AAC3CmjB,OAAC,GAAGo7C,QAAQ,CAACv+D,CAAD,CAAR,GAAc,IAAlB;AACAmX,OAAC,GAAGonD,QAAQ,CAACv+D,CAAC,GAAG,CAAL,CAAR,GAAkB,IAAtB;;AACA,UAAImjB,CAAC,KAAK,CAAN,IAAWhM,CAAC,KAAK,CAArB,EAAwB;AACtB,aAAKknD,YAAL,CAAkBK,OAAlB,IAA6B,CAA7B;AACA;AACD,OAHD,MAGO;AACLh6D,6BAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,MAAMsyD,kBAAkB,CAAC,CAACsH,QAAQ,CAACv+D,CAAD,CAAT,EAAcu+D,QAAQ,CAACv+D,CAAC,GAAG,CAAL,CAAtB,CAAD,CAAxB,GAA2D,QAA3D,GAAsEi3D,kBAAkB,CAAC,CAAC9zC,CAAD,EAAIhM,CAAJ,CAAD,CAAxF,GAAmG,GAAtH;AACD;;AACDqnD,cAAQ,GAAG,KAAKG,QAAL,CAAcx7C,CAAd,EAAiBhM,CAAjB,CAAX;;AACA,UAAI,CAACqnD,QAAL,EAAe;AACbA,gBAAQ,GAAG,KAAKI,WAAL,CAAiBz7C,CAAjB,EAAoBhM,CAApB,CAAX;AACD;;AAED,UAAI,CAACqnD,QAAL,EAAe;AACbA,gBAAQ,GAAG,KAAKK,QAAL,CAAc17C,CAAd,EAAiBhM,CAAjB,CAAX;AACD;;AAED,UAAI,CAACqnD,QAAL,EAAe;AACbA,gBAAQ,GAAG,KAAKM,yBAAL,CAA+B37C,CAA/B,EAAkChM,CAAlC,CAAX;AACD;;AAED,UAAI,CAACqnD,QAAL,EAAe;AACbC,kBAAU,GAAG,KAAKM,UAAL,CAAgB57C,CAAhB,EAAmBhM,CAAnB,CAAb;;AACA,YAAIsnD,UAAJ,EAAgB;AACd,cAAI,KAAKP,QAAL,IAAiB,KAAKA,QAAL,IAAiB,CAAtC,EAAyC;AACvC,gBAAIc,OAAO,GAAG,KAAKf,QAAL,CAAc,KAAKC,QAAL,GAAgB,CAA9B,CAAd;AACAc,mBAAO,CAAC7C,WAAR,CAAoBsC,UAApB;AACD,WAHD,MAGO;AACL/5D,iCAAM,CAACC,GAAP,CAAW,SAAX,EAAsB,kCAAtB;AACD;AACF;AACF;;AACD,UAAI65D,QAAJ,EAAc;AACZ,aAAKH,YAAL,CAAkBx1C,GAAlB,IAAyB,CAAzB;AACD,OAFD,MAEO,IAAI41C,UAAJ,EAAgB;AACrB,aAAKJ,YAAL,CAAkBjF,IAAlB,IAA0B,CAA1B;AACD,OAFM,MAEA;AACL,aAAKiF,YAAL,CAAkBpG,KAAlB,IAA2B,CAA3B;AACAvzD,6BAAM,CAACC,GAAP,CAAW,SAAX,EAAsB,kCAAkCsyD,kBAAkB,CAAC,CAAC9zC,CAAD,EAAIhM,CAAJ,CAAD,CAApD,GACF,SADE,GACU8/C,kBAAkB,CAAC,CAACsH,QAAQ,CAACv+D,CAAD,CAAT,EAAcu+D,QAAQ,CAACv+D,CAAC,GAAG,CAAL,CAAtB,CAAD,CADlD;AAED;AACF;AACF;AAED;;;;;;UAIA2+D,Q,GAAA,kBAAUx7C,CAAV,EAAqBhM,CAArB,EAAyC;AACvC,QAAIokD,IAAmB,GAAG,IAA1B;AAEA,QAAI0D,KAAK,GAAG,CAAC97C,CAAC,KAAK,IAAN,IAAcA,CAAC,KAAK,IAArB,KAA+BhM,CAAC,IAAI,IAAL,IAAaA,CAAC,IAAI,IAA7D;AACA,QAAI+nD,KAAK,GAAG,CAAC/7C,CAAC,KAAK,IAAN,IAAcA,CAAC,KAAK,IAArB,KAA+BhM,CAAC,IAAI,IAAL,IAAaA,CAAC,IAAI,IAA7D;;AACA,QAAI,EAAE8nD,KAAK,IAAIC,KAAX,CAAJ,EAAuB;AACrB,aAAO,KAAP;AACD;;AAED,QAAI/7C,CAAC,KAAK,KAAKg7C,QAAX,IAAuBhnD,CAAC,KAAK,KAAKinD,QAAtC,EAAgD;AAC9C,WAAKD,QAAL,GAAgB,IAAhB;AACA,WAAKC,QAAL,GAAgB,IAAhB,CAF8C,CAExB;;AACtB15D,2BAAM,CAACC,GAAP,CAAW,OAAX,EAAoB,uBAAuBsyD,kBAAkB,CAAC,CAAC9zC,CAAD,EAAIhM,CAAJ,CAAD,CAAzC,GAAoD,cAAxE;AACA,aAAO,IAAP;AACD;;AAED,QAAIgM,CAAC,KAAK,IAAN,IAAcA,CAAC,KAAK,IAAxB,EAA8B;AAC5Bo4C,UAAI,GAAG,CAAP;AACD,KAFD,MAEO;AACLA,UAAI,GAAG,CAAP;AACD,KApBsC,CAoBrC;;;AAEF,QAAIyD,OAAO,GAAG,KAAKf,QAAL,CAAc1C,IAAI,GAAG,CAArB,CAAd;;AAEA,QAAIp4C,CAAC,KAAK,IAAN,IAAcA,CAAC,KAAK,IAAxB,EAA8B;AAC5B,UAAIhM,CAAC,KAAK,IAAV,EAAgB;AACd6nD,eAAO,CAAC1C,KAAR;AACD,OAFD,MAEO,IAAInlD,CAAC,KAAK,IAAV,EAAgB;AACrB6nD,eAAO,CAACzC,IAAR;AACD,OAFM,MAEA,IAAIplD,CAAC,KAAK,IAAV,EAAgB;AACrB6nD,eAAO,CAACxC,KAAR;AACD,OAFM,MAEA,IAAIrlD,CAAC,KAAK,IAAV,EAAgB;AACrB6nD,eAAO,CAACvC,KAAR;AACD,OAFM,MAEA,IAAItlD,CAAC,KAAK,IAAV,EAAgB;AACrB6nD,eAAO,CAACtC,KAAR;AACD,OAFM,MAEA,IAAIvlD,CAAC,KAAK,IAAV,EAAgB;AACrB6nD,eAAO,CAACrC,IAAR,CAAa,CAAb;AACD,OAFM,MAEA,IAAIxlD,CAAC,KAAK,IAAV,EAAgB;AACrB6nD,eAAO,CAACrC,IAAR,CAAa,CAAb;AACD,OAFM,MAEA,IAAIxlD,CAAC,KAAK,IAAV,EAAgB;AACrB6nD,eAAO,CAACrC,IAAR,CAAa,CAAb;AACD,OAFM,MAEA,IAAIxlD,CAAC,KAAK,IAAV,EAAgB;AACrB6nD,eAAO,CAACpC,KAAR;AACD,OAFM,MAEA,IAAIzlD,CAAC,KAAK,IAAV,EAAgB;AACrB6nD,eAAO,CAACnC,KAAR;AACD,OAFM,MAEA,IAAI1lD,CAAC,KAAK,IAAV,EAAgB;AACrB6nD,eAAO,CAAClC,IAAR;AACD,OAFM,MAEA,IAAI3lD,CAAC,KAAK,IAAV,EAAgB;AACrB6nD,eAAO,CAACjC,KAAR;AACD,OAFM,MAEA,IAAI5lD,CAAC,KAAK,IAAV,EAAgB;AACrB6nD,eAAO,CAAChC,KAAR;AACD,OAFM,MAEA,IAAI7lD,CAAC,KAAK,IAAV,EAAgB;AACrB6nD,eAAO,CAAC/B,IAAR;AACD,OAFM,MAEA,IAAI9lD,CAAC,KAAK,IAAV,EAAgB;AACrB6nD,eAAO,CAAC9B,KAAR;AACD,OAFM,MAEA,IAAI/lD,CAAC,KAAK,IAAV,EAAgB;AACrB6nD,eAAO,CAAC7B,KAAR;AACD;AACF,KAlCD,MAkCO;AAAE;AACP6B,aAAO,CAAC5B,IAAR,CAAajmD,CAAC,GAAG,IAAjB;AACD;;AACD,SAAKgnD,QAAL,GAAgBh7C,CAAhB;AACA,SAAKi7C,QAAL,GAAgBjnD,CAAhB;AACA,SAAK+mD,QAAL,GAAgB3C,IAAhB;AACA,WAAO,IAAP;AACD;AAED;;;;;;UAIAqD,W,GAAA,qBAAaz7C,CAAb,EAAwBhM,CAAxB,EAA4C;AAC1C,QAAIokD,IAAmB,GAAG,IAA1B;;AAEA,QAAI,CAAEp4C,CAAC,KAAK,IAAP,IAAiBA,CAAC,KAAK,IAAxB,KAAkChM,CAAC,IAAI,IAAvC,IAA+CA,CAAC,IAAI,IAAxD,EAA8D;AAC5D,UAAIgM,CAAC,KAAK,IAAV,EAAgB;AACdo4C,YAAI,GAAG,CAAP;AACD,OAFD,MAEO;AACLA,YAAI,GAAG,CAAP;AACD;;AAED,UAAIA,IAAI,KAAK,KAAK2C,QAAlB,EAA4B;AAC1Bx5D,6BAAM,CAACC,GAAP,CAAW,OAAX,EAAoB,oCAApB;AACA,eAAO,KAAP;AACD;;AACD,UAAIq6D,OAAO,GAAG,KAAKf,QAAL,CAAc1C,IAAI,GAAG,CAArB,CAAd;AACAyD,aAAO,CAAC1B,QAAR,CAAiBnmD,CAAjB;AACAzS,2BAAM,CAACC,GAAP,CAAW,OAAX,EAAoB,aAAasyD,kBAAkB,CAAC,CAAC9zC,CAAD,EAAIhM,CAAJ,CAAD,CAA/B,GAA0C,GAA9D;AACA,aAAO,IAAP;AACD;;AACD,WAAO,KAAP;AACD;AACD;;;;;;UAIA0nD,Q,GAAA,kBAAU17C,CAAV,EAAqBhM,CAArB,EAAyC;AACvC,QAAIokD,IAAmB,GAAG,IAA1B;AACA,QAAIlG,GAAkB,GAAG,IAAzB;AAEA,QAAI8J,KAAK,GAAG,CAAEh8C,CAAC,IAAI,IAAL,IAAaA,CAAC,IAAI,IAAnB,IAA6BA,CAAC,IAAI,IAAL,IAAaA,CAAC,IAAI,IAAhD,KAA2DhM,CAAC,IAAI,IAAL,IAAaA,CAAC,IAAI,IAAzF;AACA,QAAIioD,KAAK,GAAG,CAACj8C,CAAC,KAAK,IAAN,IAAcA,CAAC,KAAK,IAArB,KAA+BhM,CAAC,IAAI,IAAL,IAAaA,CAAC,IAAI,IAA7D;;AACA,QAAI,EAAEgoD,KAAK,IAAIC,KAAX,CAAJ,EAAuB;AACrB,aAAO,KAAP;AACD;;AAED,QAAIj8C,CAAC,KAAK,KAAKg7C,QAAX,IAAuBhnD,CAAC,KAAK,KAAKinD,QAAtC,EAAgD;AAC9C,WAAKD,QAAL,GAAgB,IAAhB;AACA,WAAKC,QAAL,GAAgB,IAAhB;AACA,aAAO,IAAP,CAH8C,CAGjC;AACd;;AAED7C,QAAI,GAAIp4C,CAAC,IAAI,IAAN,GAAc,CAAd,GAAkB,CAAzB;;AAEA,QAAIhM,CAAC,IAAI,IAAL,IAAaA,CAAC,IAAI,IAAtB,EAA4B;AAC1Bk+C,SAAG,GAAIkG,IAAI,KAAK,CAAV,GAAenF,UAAU,CAACjzC,CAAD,CAAzB,GAA+BmzC,UAAU,CAACnzC,CAAD,CAA/C;AACD,KAFD,MAEO;AAAE;AACPkyC,SAAG,GAAIkG,IAAI,KAAK,CAAV,GAAelF,WAAW,CAAClzC,CAAD,CAA1B,GAAgCozC,WAAW,CAACpzC,CAAD,CAAjD;AACD;;AACD,QAAI+2C,OAAO,GAAG,KAAKmF,YAAL,CAAkBhK,GAAlB,EAAwBl+C,CAAxB,CAAd;AACA,QAAI6nD,OAAO,GAAG,KAAKf,QAAL,CAAc1C,IAAI,GAAG,CAArB,CAAd;AACAyD,WAAO,CAAC/E,MAAR,CAAeC,OAAf;AACA,SAAKiE,QAAL,GAAgBh7C,CAAhB;AACA,SAAKi7C,QAAL,GAAgBjnD,CAAhB;AACA,SAAK+mD,QAAL,GAAgB3C,IAAhB;AACA,WAAO,IAAP;AACD;AAED;;;;;;UAIA8D,Y,GAAA,sBAAchK,GAAd,EAA2BW,IAA3B,EAAkD;AAChD,QAAIsJ,QAAQ,GAAGtJ,IAAf;AACA,QAAIkE,OAAgB,GAAG;AAAEK,WAAK,EAAE,IAAT;AAAehD,aAAO,EAAE,KAAxB;AAA+BhC,YAAM,EAAE,IAAvC;AAA6C+B,eAAS,EAAE,KAAxD;AAA+DjC,SAAG,EAAEA;AAApE,KAAvB;;AAEA,QAAIW,IAAI,GAAG,IAAX,EAAiB;AACfsJ,cAAQ,GAAGtJ,IAAI,GAAG,IAAlB;AACD,KAFD,MAEO;AACLsJ,cAAQ,GAAGtJ,IAAI,GAAG,IAAlB;AACD;;AAEDkE,WAAO,CAAC5C,SAAR,GAAoB,CAACgI,QAAQ,GAAG,CAAZ,MAAmB,CAAvC;;AACA,QAAIA,QAAQ,IAAI,GAAhB,EAAqB;AACnBpF,aAAO,CAACK,KAAR,GAAgB,CAAC,OAAD,EAAU,OAAV,EAAmB,MAAnB,EAA2B,MAA3B,EAAmC,KAAnC,EAA0C,QAA1C,EAAoD,SAApD,EAA+D,OAA/D,EAAwEruD,IAAI,CAACkE,KAAL,CAAWkvD,QAAQ,GAAG,CAAtB,CAAxE,CAAhB;AACD,KAFD,MAEO,IAAIA,QAAQ,IAAI,GAAhB,EAAqB;AAC1BpF,aAAO,CAAC3C,OAAR,GAAkB,IAAlB;AACA2C,aAAO,CAACK,KAAR,GAAgB,OAAhB;AACD,KAHM,MAGA;AACLL,aAAO,CAAC3E,MAAR,GAAkBrpD,IAAI,CAACkE,KAAL,CAAW,CAACkvD,QAAQ,GAAG,IAAZ,IAAoB,CAA/B,CAAD,GAAsC,CAAvD;AACD;;AACD,WAAOpF,OAAP,CAnBgD,CAmBhC;AACjB;AAED;;;;;;UAIA6E,U,GAAA,oBAAY57C,CAAZ,EAAuBhM,CAAvB,EAAmD;AACjD,QAAIooD,SAAwB,GAAG,IAA/B;AAAA,QACEC,SAA0B,GAAG,IAD/B;AAAA,QAEEC,SAAwB,GAAG,IAF7B;;AAIA,QAAIt8C,CAAC,IAAI,IAAT,EAAe;AACbo8C,eAAS,GAAG,CAAZ;AACAE,eAAS,GAAGt8C,CAAC,GAAG,CAAhB;AACD,KAHD,MAGO;AACLo8C,eAAS,GAAG,CAAZ;AACAE,eAAS,GAAGt8C,CAAZ;AACD;;AACD,QAAIs8C,SAAS,IAAI,IAAb,IAAqBA,SAAS,IAAI,IAAtC,EAA4C;AAC1C;AACA,UAAIC,OAAO,GAAGvoD,CAAd;;AACA,UAAIsoD,SAAS,KAAK,IAAlB,EAAwB;AACtBC,eAAO,GAAGvoD,CAAC,GAAG,IAAd;AACD,OAFD,MAEO,IAAIsoD,SAAS,KAAK,IAAlB,EAAwB;AAC7BC,eAAO,GAAGvoD,CAAC,GAAG,IAAd;AACD,OAFM,MAEA;AACLuoD,eAAO,GAAGvoD,CAAC,GAAG,IAAd;AACD;;AAEDzS,2BAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,oBAAoBoxD,cAAc,CAAC2J,OAAD,CAAlC,GAA8C,gBAA9C,GAAiEH,SAApF;AACAC,eAAS,GAAG,CAACE,OAAD,CAAZ;AACD,KAbD,MAaO,IAAIv8C,CAAC,IAAI,IAAL,IAAaA,CAAC,IAAI,IAAtB,EAA4B;AACjCq8C,eAAS,GAAIroD,CAAC,KAAK,CAAP,GAAY,CAACgM,CAAD,CAAZ,GAAkB,CAACA,CAAD,EAAIhM,CAAJ,CAA9B;AACD;;AACD,QAAIqoD,SAAJ,EAAe;AACb,UAAIG,QAAQ,GAAG1I,kBAAkB,CAACuI,SAAD,CAAjC;AACA96D,2BAAM,CAACC,GAAP,CAAW,OAAX,EAAoB,mBAAmBg7D,QAAQ,CAACznD,IAAT,CAAc,GAAd,CAAvC;AACA,WAAKimD,QAAL,GAAgB,IAAhB;AACA,WAAKC,QAAL,GAAgB,IAAhB;AACD;;AACD,WAAOoB,SAAP;AACD;AAED;;;;;;UAIAV,yB,GAAA,mCAA2B37C,CAA3B,EAAsChM,CAAtC,EAA0D;AACxD,QAAIsjD,OAAJ,EACEj0C,KADF,EAEE+0C,IAFF,EAGEyD,OAHF;AAKA,QAAIG,KAAK,GAAG,CAACh8C,CAAC,KAAK,IAAN,IAAcA,CAAC,KAAK,IAArB,KAA+BhM,CAAC,IAAI,IAAL,IAAaA,CAAC,IAAI,IAA7D;AACA,QAAIioD,KAAK,GAAG,CAACj8C,CAAC,KAAK,IAAN,IAAcA,CAAC,KAAK,IAArB,KAA+BhM,CAAC,IAAI,IAAL,IAAaA,CAAC,IAAI,IAA7D;;AACA,QAAI,EAAEgoD,KAAK,IAAIC,KAAX,CAAJ,EAAuB;AACrB,aAAO,KAAP;AACD;;AAED3E,WAAO,GAAG,EAAV;;AACA,QAAIt3C,CAAC,KAAK,IAAN,IAAcA,CAAC,KAAK,IAAxB,EAA8B;AAC5BqD,WAAK,GAAGta,IAAI,CAACkE,KAAL,CAAW,CAAC+G,CAAC,GAAG,IAAL,IAAa,CAAxB,CAAR;AACAsjD,aAAO,CAACjD,UAAR,GAAqBhB,gBAAgB,CAAChwC,KAAD,CAArC;;AACA,UAAIrP,CAAC,GAAG,CAAJ,KAAU,CAAd,EAAiB;AACfsjD,eAAO,CAACjD,UAAR,GAAqBiD,OAAO,CAACjD,UAAR,GAAqB,OAA1C;AACD;AACF,KAND,MAMO,IAAIrgD,CAAC,KAAK,IAAV,EAAgB;AACrBsjD,aAAO,CAACjD,UAAR,GAAqB,aAArB;AACD,KAFM,MAEA;AACLiD,aAAO,CAACpD,UAAR,GAAqB,OAArB;;AACA,UAAIlgD,CAAC,KAAK,IAAV,EAAgB;AACdsjD,eAAO,CAACnD,SAAR,GAAoB,IAApB;AACD;AACF;;AACDiE,QAAI,GAAIp4C,CAAC,GAAG,IAAL,GAAa,CAAb,GAAiB,CAAxB;AACA67C,WAAO,GAAG,KAAKf,QAAL,CAAc1C,IAAI,GAAG,CAArB,CAAV;AACAyD,WAAO,CAACxE,UAAR,CAAmBC,OAAnB;AACA,SAAK0D,QAAL,GAAgB,IAAhB;AACA,SAAKC,QAAL,GAAgB,IAAhB;AACA,WAAO,IAAP;AACD;AAED;;;;;UAGA1G,K,GAAA,iBAAS;AACP,SAAK,IAAI13D,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG,KAAKi+D,QAAL,CAAc58D,MAAlC,EAA0CrB,CAAC,EAA3C,EAA+C;AAC7C,UAAI,KAAKi+D,QAAL,CAAcj+D,CAAd,CAAJ,EAAsB;AACpB,aAAKi+D,QAAL,CAAcj+D,CAAd,EAAiB03D,KAAjB;AACD;AACF;;AACD,SAAKyG,QAAL,GAAgB,IAAhB;AACA,SAAKC,QAAL,GAAgB,IAAhB;AACD;AAED;;;;;UAGAT,c,GAAA,wBAAgB18D,CAAhB,EAA2B;AACzB,SAAK,IAAIjB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG,KAAKi+D,QAAL,CAAc58D,MAAlC,EAA0CrB,CAAC,EAA3C,EAA+C;AAC7C,UAAI,KAAKi+D,QAAL,CAAcj+D,CAAd,CAAJ,EAAsB;AACpB,aAAKi+D,QAAL,CAAcj+D,CAAd,EAAiB29D,cAAjB,CAAgC18D,CAAhC;AACD;AACF;AACF,G;;;;;AAGY28D,+DAAf,E;;IC1tCqBgC,Y;;;AAOnB;AACA,wBAAaC,kBAAb,EAAsCpnB,SAAtC,EAAyD;AAAA,SAPzDonB,kBAOyD;AAAA,SANzDpnB,SAMyD;AAAA,SALzDlxB,SAKyD;AAAA,SAJzDC,OAIyD;AAAA,SAHzD40C,MAGyD;AACvD,SAAKyD,kBAAL,GAA0BA,kBAA1B;AACA,SAAKpnB,SAAL,GAAiBA,SAAjB;AACA,SAAKlxB,SAAL,GAAiB,IAAjB;AACA,SAAKC,OAAL,GAAe,IAAf;AACA,SAAK40C,MAAL,GAAc,IAAd;AACD;;;;SAEDsB,W,GAAA,uBAAe;AACb,QAAI,KAAKn2C,SAAL,KAAmB,IAAvB,EAA6B;AAC3B;AACD;;AAED,SAAKs4C,kBAAL,CAAwBC,OAAxB,CAAgC,KAAKrnB,SAArC,EAAgD,KAAKlxB,SAArD,EAAgE,KAAKC,OAArE,EAA8E,KAAK40C,MAAnF;AACA,SAAK70C,SAAL,GAAiB,IAAjB;AACD,G;;SAED4tC,M,GAAA,gBAAQ5tC,SAAR,EAA2BC,OAA3B,EAA4C40C,MAA5C,EAAmE;AACjE,QAAI,KAAK70C,SAAL,KAAmB,IAAnB,IAA2B,KAAKA,SAAL,GAAiBA,SAAhD,EAA2D;AACzD,WAAKA,SAAL,GAAiBA,SAAjB;AACD;;AAED,SAAKC,OAAL,GAAeA,OAAf;AACA,SAAK40C,MAAL,GAAcA,MAAd;AACA,SAAKyD,kBAAL,CAAwBE,mBAAxB,CAA4C,KAAKtnB,SAAjD;AACD,G;;;;;;;;;;;ACnCH;CAGA;;AACA,IAAMunB,UAAU,GAAG,SAAbA,UAAa,CAAUC,WAAV,EAAuBC,YAAvB,EAAqCp0D,QAArC,EAA+C;AAChE,SAAOm0D,WAAW,CAAC3nC,MAAZ,CAAmBxsB,QAAQ,IAAI,CAA/B,EAAkCo0D,YAAY,CAAC7+D,MAA/C,MAA2D6+D,YAAlE;AACD,CAFD;;AAIA,IAAMC,8BAAgB,GAAG,SAAnBA,gBAAmB,CAAUC,UAAV,EAAsB;AAC7C,MAAInM,EAAE,GAAGxoD,QAAQ,CAAC20D,UAAU,CAAC9nC,MAAX,CAAkB,CAAC,CAAnB,CAAD,CAAjB;AACA,MAAI+nC,IAAI,GAAG50D,QAAQ,CAAC20D,UAAU,CAAC9nC,MAAX,CAAkB,CAAC,CAAnB,EAAsB,CAAtB,CAAD,CAAnB;AACA,MAAIgoC,IAAI,GAAG70D,QAAQ,CAAC20D,UAAU,CAAC9nC,MAAX,CAAkB,CAAC,CAAnB,EAAsB,CAAtB,CAAD,CAAnB;AACA,MAAIioC,KAAK,GAAGH,UAAU,CAAC/+D,MAAX,GAAoB,CAApB,GAAwBoK,QAAQ,CAAC20D,UAAU,CAAC9nC,MAAX,CAAkB,CAAlB,EAAqB8nC,UAAU,CAACr5D,OAAX,CAAmB,GAAnB,CAArB,CAAD,CAAhC,GAAkF,CAA9F;;AAEA,MAAI,CAAC,0CAAgBktD,EAAhB,CAAD,IAAwB,CAAC,0CAAgBoM,IAAhB,CAAzB,IAAkD,CAAC,0CAAgBC,IAAhB,CAAnD,IAA4E,CAAC,0CAAgBC,KAAhB,CAAjF,EAAyG;AACvG,UAAMh/D,KAAK,uCAAqC6+D,UAArC,CAAX;AACD;;AAEDnM,IAAE,IAAI,OAAOoM,IAAb;AACApM,IAAE,IAAI,KAAK,IAAL,GAAYqM,IAAlB;AACArM,IAAE,IAAI,KAAK,EAAL,GAAU,IAAV,GAAiBsM,KAAvB;AAEA,SAAOtM,EAAP;AACD,CAfD,C,CAiBA;;;AACA,IAAMuM,IAAI,GAAG,cAAUtvD,IAAV,EAAgB;AAC3B,MAAIsvD,IAAI,GAAG,IAAX;AACA,MAAIxgE,CAAC,GAAGkR,IAAI,CAAC7P,MAAb;;AACA,SAAOrB,CAAP,EAAU;AACRwgE,QAAI,GAAIA,IAAI,GAAG,EAAR,GAActvD,IAAI,CAACyL,UAAL,CAAgB,EAAE3c,CAAlB,CAArB;AACD;;AAED,SAAO,CAACwgE,IAAI,KAAK,CAAV,EAAazoD,QAAb,EAAP;AACD,CARD;;AAUA,IAAM0oD,eAAe,GAAG,SAAlBA,eAAkB,CAAUC,MAAV,EAAkBhtC,EAAlB,EAAsBitC,gBAAtB,EAAwC;AAC9D,MAAIC,MAAM,GAAGF,MAAM,CAAChtC,EAAD,CAAnB;AACA,MAAImtC,MAAM,GAAGH,MAAM,CAACE,MAAM,CAACC,MAAR,CAAnB,CAF8D,CAI9D;AACA;;AACA,MAAI,CAACA,MAAD,IAAY,CAACA,MAAM,CAACC,GAAR,IAAeF,MAAM,CAACE,GAAtC,EAA4C;AAC1CJ,UAAM,CAACj3B,QAAP,GAAkBi3B,MAAM,CAACK,kBAAP,GAA4BH,MAAM,CAACpuD,KAArD;AACAouD,UAAM,CAACE,GAAP,GAAa,KAAb;AACA;AACD,GAV6D,CAY9D;AACA;;;AACA,SAAOD,MAAM,IAAIA,MAAM,CAACC,GAAxB,EAA6B;AAC3BJ,UAAM,CAACj3B,QAAP,IAAmBm3B,MAAM,CAACpuD,KAAP,GAAequD,MAAM,CAACruD,KAAzC;AACAouD,UAAM,CAACE,GAAP,GAAa,KAAb;AACAF,UAAM,GAAGC,MAAT;AACAA,UAAM,GAAGH,MAAM,CAACE,MAAM,CAACC,MAAR,CAAf;AACD;;AAEDH,QAAM,CAACK,kBAAP,GAA4BJ,gBAA5B;AACD,CAtBD;;AAwBA,IAAMK,YAAY,GAAG;AACnBj4C,OAAK,EAAE,eAAUk4C,YAAV,EAAwBC,OAAxB,EAAiCR,MAAjC,EAAyChtC,EAAzC,EAA6CytC,QAA7C,EAAuDC,aAAvD,EAAsE;AAC3E;AACA,QAAIC,EAAE,GAAG,kBAAT,CAF2E,CAG3E;;AACA,QAAIC,QAAQ,GAAGjpD,6BAAc,CAAC,IAAIrM,UAAJ,CAAei1D,YAAf,CAAD,CAAd,CAA6CpL,IAA7C,GAAoD5qC,OAApD,CAA4Do2C,EAA5D,EAAgE,IAAhE,EAAsEjtC,KAAtE,CAA4E,IAA5E,CAAf;AAEA,QAAImtC,OAAO,GAAG,WAAd;AACA,QAAIC,MAAM,GAAG,CAAb;AACA,QAAIC,SAAS,GAAG,CAAhB;AACA,QAAId,gBAAgB,GAAG,CAAvB;AACA,QAAIpjB,IAAI,GAAG,EAAX;AACA,QAAImkB,YAAJ;AACA,QAAIC,QAAQ,GAAG,IAAf;AACA,QAAIC,YAAY,GAAG,KAAnB,CAb2E,CAc3E;AAEA;;AACA,QAAIC,MAAM,GAAG,IAAIvP,SAAJ,EAAb;;AAEAuP,UAAM,CAAC7M,KAAP,GAAe,UAAU1W,GAAV,EAAe;AAC5B;AACA,UAAIsiB,MAAM,GAAGF,MAAM,CAAChtC,EAAD,CAAnB;AACA,UAAIouC,SAAS,GAAGpB,MAAM,CAACj3B,QAAvB,CAH4B,CAK5B;;AACA,UAAIm3B,MAAM,IAAIA,MAAM,CAACE,GAArB,EAA0B;AACxB,YAAIW,SAAS,KAAK99D,SAAlB,EAA6B;AAC3B;AACAm+D,mBAAS,GAAGpB,MAAM,CAACj3B,QAAP,GAAkBm3B,MAAM,CAACpuD,KAArC;AACD,SAHD,MAGO;AACLiuD,yBAAe,CAACC,MAAD,EAAShtC,EAAT,EAAaitC,gBAAb,CAAf;AACD;AACF;;AAED,UAAIA,gBAAJ,EAAsB;AACpB;AACAmB,iBAAS,GAAGnB,gBAAgB,GAAGD,MAAM,CAACK,kBAAtC;AACD,OAlB2B,CAoB7B;;;AACCziB,SAAG,CAAC/2B,SAAJ,IAAiBu6C,SAAS,GAAGL,SAA7B;AACAnjB,SAAG,CAAC92B,OAAJ,IAAes6C,SAAS,GAAGL,SAA3B;AAEA,UAAMvwD,IAAI,GAAGotC,GAAG,CAACptC,IAAJ,CAAS2kD,IAAT,EAAb,CAxB4B,CAyB5B;AACA;;AACAvX,SAAG,CAACl1C,EAAJ,GAASo3D,IAAI,CAACliB,GAAG,CAAC/2B,SAAJ,CAAcxP,QAAd,EAAD,CAAJ,GAAiCyoD,IAAI,CAACliB,GAAG,CAAC92B,OAAJ,CAAYzP,QAAZ,EAAD,CAArC,GAAgEyoD,IAAI,CAACtvD,IAAD,CAA7E,CA3B4B,CA6B5B;;AACAotC,SAAG,CAACptC,IAAJ,GAAWkhD,kBAAkB,CAACC,kBAAkB,CAAC/T,GAAG,CAACptC,IAAL,CAAnB,CAA7B;;AACA,UAAIotC,GAAG,CAAC92B,OAAJ,GAAc,CAAlB,EAAqB;AACnB+1B,YAAI,CAAC70C,IAAL,CAAU41C,GAAV;AACD;AACF,KAlCD;;AAoCAujB,UAAM,CAACE,cAAP,GAAwB,UAAU19D,CAAV,EAAa;AACnCq9D,kBAAY,GAAGr9D,CAAf;AACD,KAFD;;AAIAw9D,UAAM,CAAC3M,OAAP,GAAiB,YAAY;AAC3B,UAAIwM,YAAY,IAAIN,aAApB,EAAmC;AACjCA,qBAAa,CAACM,YAAD,CAAb;AACA;AACD;;AACDP,cAAQ,CAAC5jB,IAAD,CAAR;AACD,KAND,CA3D2E,CAmE3E;;;AACA+jB,YAAQ,CAACxqD,OAAT,CAAiB,UAAA09C,IAAI,EAAI;AACvB,UAAImN,QAAJ,EAAc;AACZ;AACA,YAAI3B,UAAU,CAACxL,IAAD,EAAO,kBAAP,CAAd,EAA0C;AACxC;AACAmN,kBAAQ,GAAG,KAAX;AACAC,sBAAY,GAAG,IAAf,CAHwC,CAIxC;;AACApN,cAAI,CAACl8B,MAAL,CAAY,EAAZ,EAAgBlE,KAAhB,CAAsB,GAAtB,EAA2Btd,OAA3B,CAAmC,UAAA5M,SAAS,EAAI;AAC9C,gBAAI81D,UAAU,CAAC91D,SAAD,EAAY,QAAZ,CAAd,EAAqC;AACnCq3D,qBAAO,GAAGr3D,SAAS,CAACouB,MAAV,CAAiB,CAAjB,CAAV;AACD,aAFD,MAEO,IAAI0nC,UAAU,CAAC91D,SAAD,EAAY,SAAZ,CAAd,EAAsC;AAC3Cs3D,oBAAM,GAAG/1D,QAAQ,CAACvB,SAAS,CAACouB,MAAV,CAAiB,CAAjB,CAAD,CAAjB;AACD;AACF,WAND;;AAOA,cAAI;AACF;AACA;AACA;AACA;AACA;AACA;AACAkpC,kBAAM,IAAIN,OAAV,CAPE,CASF;;AACAO,qBAAS,GAAGtB,8BAAgB,CAACoB,OAAD,CAAhB,GAA4B,IAAxC,CAVE,CAWF;;AACAZ,4BAAgB,GAAGa,MAAM,GAAG,KAA5B,CAZE,CAaF;;AACA,gBAAIC,SAAS,KAAK,CAAC,CAAnB,EAAsB;AACpBC,0BAAY,GAAG,IAAIngE,KAAJ,iCAAwCizD,IAAxC,CAAf;AACD;AACF,WAjBD,CAiBE,OAAOnwD,CAAP,EAAU;AACVu9D,wBAAY,GAAG,KAAf;AACAF,wBAAY,GAAGr9D,CAAf;AACD,WAhCuC,CAiCxC;;;AACA;AACD,SAnCD,MAmCO,IAAImwD,IAAI,KAAK,EAAb,EAAiB;AACtBmN,kBAAQ,GAAG,KAAX;AACD;AACF,OAzCsB,CA0CvB;;;AACAE,YAAM,CAAC94C,KAAP,CAAayrC,IAAI,GAAG,IAApB;AACD,KA5CD;AA8CAqN,UAAM,CAAC5M,KAAP;AACD;AApHkB,CAArB;AAuHe+L,8DAAf,E;;;;;;;;;ACnLA;AACA;AACA;AACA;AACA;AACA;AACA;;AAIA;IACMgB,sC;;;;;AAiBJ,8BAAa7wC,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EAAW5rB,iBAAK,CAAC6oB,eAAjB,EACE7oB,iBAAK,CAAC+oB,eADR,EAEE/oB,iBAAK,CAACmhB,qBAFR,EAGEnhB,iBAAK,CAACkiB,cAHR,EAIEliB,iBAAK,CAACypB,gBAJR,EAKEzpB,iBAAK,CAAC0pB,eALR,EAME1pB,iBAAK,CAACgrB,WANR,EAOEhrB,iBAAK,CAAC4c,cAPR;AADgB,UAhBVsX,KAgBU,GAhBuB,IAgBvB;AAAA,UAfVz1B,MAeU;AAAA,UAdVi+D,OAcU,GAdS,IAcT;AAAA,UAbVC,IAaU;AAAA,UAZVnkB,UAYU,GAZqB,EAYrB;AAAA,UAXV1/B,MAWU,GAXW,EAWX;AAAA,UAVV0D,OAUU,GAVe,EAUf;AAAA,UATVogD,gBASU,GATgD,EAShD;AAAA,UARVC,SAQU,GARc,EAQd;AAAA,UAPVC,cAOU,GAPY,EAOZ;AAAA,UANVC,kBAMU;AAAA,UALVC,YAKU;AAAA,UAJVC,MAIU,GAJO,CAAC,CAIR;AAAA,UAHV3B,MAGU,GAHO,CAAC,CAGR;AAAA,UAFVH,MAEU,GAFI,IAEJ;AAUhB,UAAKvvC,GAAL,GAAWA,GAAX;AACA,UAAKntB,MAAL,GAAcmtB,GAAG,CAACntB,MAAlB;AACA,UAAKk+D,IAAL,GAAY/wC,GAAG,CAACntB,MAAJ,CAAWy+D,UAAvB;AAEA,UAAKH,kBAAL,GAA0B;AACxBI,gBAAU,EAAE;AACVzkB,aAAK,EAAE,MAAKj6C,MAAL,CAAY2+D,uBADT;AAEVC,oBAAY,EAAE,MAAK5+D,MAAL,CAAY6+D;AAFhB,OADY;AAKxBC,gBAAU,EAAE;AACV7kB,aAAK,EAAE,MAAKj6C,MAAL,CAAY++D,uBADT;AAEVH,oBAAY,EAAE,MAAK5+D,MAAL,CAAYg/D;AAFhB;AALY,KAA1B;;AAWA,QAAI,MAAKh/D,MAAL,CAAYi/D,oBAAhB,EAAsC;AACpC,UAAMC,QAAQ,GAAG,IAAItD,YAAJ,mDAAuB,YAAvB,CAAjB;AACA,UAAMuD,QAAQ,GAAG,IAAIvD,YAAJ,mDAAuB,YAAvB,CAAjB;AACA,YAAK2C,YAAL,GAAoB,IAAI3E,cAAJ,CAAiB,CAAjB,EAAoBsF,QAApB,EAA8BC,QAA9B,CAApB;AACD;;AA7Be;AA8BjB;;;;SAEDrD,O,GAAA,iBAASrnB,SAAT,EAA4BlxB,SAA5B,EAA+CC,OAA/C,EAAgE40C,MAAhE,EAAuF;AACrF;AACA,QAAMgH,MAAM,GAAG,KAAKhB,SAApB;AACA,QAAIiB,MAAM,GAAG,KAAb;;AACA,SAAK,IAAIrjE,CAAC,GAAGojE,MAAM,CAAC/hE,MAApB,EAA4BrB,CAAC,EAA7B,GAAkC;AAChC,UAAIsjE,QAAQ,GAAGF,MAAM,CAACpjE,CAAD,CAArB;AACA,UAAIujE,OAAO,GAAGC,YAAY,CAACF,QAAQ,CAAC,CAAD,CAAT,EAAcA,QAAQ,CAAC,CAAD,CAAtB,EAA2B/7C,SAA3B,EAAsCC,OAAtC,CAA1B;;AACA,UAAI+7C,OAAO,IAAI,CAAf,EAAkB;AAChBD,gBAAQ,CAAC,CAAD,CAAR,GAAcp3D,IAAI,CAACC,GAAL,CAASm3D,QAAQ,CAAC,CAAD,CAAjB,EAAsB/7C,SAAtB,CAAd;AACA+7C,gBAAQ,CAAC,CAAD,CAAR,GAAcp3D,IAAI,CAAC+U,GAAL,CAASqiD,QAAQ,CAAC,CAAD,CAAjB,EAAsB97C,OAAtB,CAAd;AACA67C,cAAM,GAAG,IAAT;;AACA,YAAKE,OAAO,IAAI/7C,OAAO,GAAGD,SAAd,CAAR,GAAoC,GAAxC,EAA6C;AAC3C;AACD;AACF;AACF;;AACD,QAAI,CAAC87C,MAAL,EAAa;AACXD,YAAM,CAAC16D,IAAP,CAAY,CAAC6e,SAAD,EAAYC,OAAZ,CAAZ;AACD;;AAED,SAAK06C,IAAL,CAAU/M,MAAV,CAAiB,KAAKkN,cAAL,CAAoB5pB,SAApB,CAAjB,EAAiDlxB,SAAjD,EAA4DC,OAA5D,EAAqE40C,MAArE;AACD,G,CAED;;;SACA1N,c,GAAA,wBAAgBpwD,IAAhB,EAAsE;AAAA;;AAAA,QAC5D+W,IAD4D,GACtC/W,IADsC,CAC5D+W,IAD4D;AAAA,QACtDjM,EADsD,GACtC9K,IADsC,CACtD8K,EADsD;AAAA,QAClD2Y,OADkD,GACtCzjB,IADsC,CAClDyjB,OADkD;AAAA,QAE5DogD,gBAF4D,GAEvC,IAFuC,CAE5DA,gBAF4D;;AAGpE,QAAI/4D,EAAE,KAAK,MAAX,EAAmB;AACjB,WAAK2Y,OAAL,CAAa1M,IAAI,CAACqe,EAAlB,IAAwB3R,OAAxB;AACD,KALmE,CAOpE;AACA;;;AACA,QAAIogD,gBAAgB,CAAC9gE,MAArB,EAA6B;AAC3B,WAAK8gE,gBAAL,GAAwB,EAAxB;AACAA,sBAAgB,CAACrrD,OAAjB,CAAyB,UAAAzB,IAAI,EAAI;AAC/B,cAAI,CAACyvB,YAAL,CAAkBzvB,IAAlB;AACD,OAFD;AAGD;AACF,G;;SAEDouD,gB,GAAA,0BAAkBhrB,SAAlB,EAAuD;AAAA,QAC7Chf,KAD6C,GACnC,IADmC,CAC7CA,KAD6C;;AAErD,QAAIA,KAAJ,EAAW;AACT,WAAK,IAAIz5B,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGy5B,KAAK,CAACskB,UAAN,CAAiB18C,MAArC,EAA6CrB,CAAC,EAA9C,EAAkD;AAChD,YAAI2U,SAAS,GAAG8kB,KAAK,CAACskB,UAAN,CAAiB/9C,CAAjB,CAAhB;;AACA,YAAI2U,SAAS,CAAC8jC,SAAD,CAAb,EAA0B;AACxB,iBAAO9jC,SAAP;AACD;AACF;AACF;;AACD,WAAO,IAAP;AACD,G;;SAEDorD,mB,GAAA,6BAAqBtnB,SAArB,EAAwC;AAAA,QAC9B6pB,kBAD8B,GACgB,IADhB,CAC9BA,kBAD8B;AAAA,QACVD,cADU,GACgB,IADhB,CACVA,cADU;AAAA,QACM5oC,KADN,GACgB,IADhB,CACMA,KADN;AAAA,gCAEN6oC,kBAAkB,CAAC7pB,SAAD,CAFZ;AAAA,QAE9BwF,KAF8B,yBAE9BA,KAF8B;AAAA,QAEvB2kB,YAFuB,yBAEvBA,YAFuB;;AAGtC,QAAI,CAACP,cAAc,CAAC5pB,SAAD,CAAnB,EAAgC;AAC9B;AACA,UAAMirB,aAAa,GAAG,KAAKD,gBAAL,CAAsBhrB,SAAtB,CAAtB;;AACA,UAAI,CAACirB,aAAL,EAAoB;AAClB,YAAM/uD,SAAS,GAAG,KAAKgvD,eAAL,CAAqB,UAArB,EAAiC1lB,KAAjC,EAAwC2kB,YAAxC,CAAlB;;AACA,YAAIjuD,SAAJ,EAAe;AACb;AACAA,mBAAS,CAAC8jC,SAAD,CAAT,GAAuB,IAAvB;AACA4pB,wBAAc,CAAC5pB,SAAD,CAAd,GAA4B9jC,SAA5B;AACD;AACF,OAPD,MAOO;AACL0tD,sBAAc,CAAC5pB,SAAD,CAAd,GAA4BirB,aAA5B;AACApmB,wBAAgB,CAAC+kB,cAAc,CAAC5pB,SAAD,CAAf,CAAhB;AACAuE,yBAAiB,CAACqlB,cAAc,CAAC5pB,SAAD,CAAf,EAA4Bhf,KAA5B,CAAjB;AACD;AACF;AACF,G;;SAEDkqC,e,GAAA,yBAAiB3lB,IAAjB,EAAsCC,KAAtC,EAAqD/jB,IAArD,EAA0F;AACxF,QAAMT,KAAK,GAAG,KAAKA,KAAnB;;AACA,QAAI,CAACA,KAAL,EAAY;AACV;AACD;;AACD,WAAOA,KAAK,CAACykB,YAAN,CAAmBF,IAAnB,EAAyBC,KAAzB,EAAgC/jB,IAAhC,CAAP;AACD,G;;SAEDx2B,O,GAAA,mBAAW;AACT,4BAAMA,OAAN;AACD,G;;SAED+iD,gB,GAAA,0BAAkBnoD,IAAlB,EAAqD;AACnD,SAAKm7B,KAAL,GAAan7B,IAAI,CAACm7B,KAAlB;;AACA,SAAKmqC,YAAL;AACD,G;;SAEDtsB,gB,GAAA,4BAAoB;AAAA,QACV+qB,cADU,GACS,IADT,CACVA,cADU;AAElBjgD,UAAM,CAACC,IAAP,CAAYggD,cAAZ,EAA4BvrD,OAA5B,CAAoC,UAAA2hC,SAAS,EAAI;AAC/C6E,sBAAgB,CAAC+kB,cAAc,CAAC5pB,SAAD,CAAf,CAAhB;AACA,aAAO4pB,cAAc,CAAC5pB,SAAD,CAArB;AACD,KAHD;AAID,G;;SAEDtb,iB,GAAA,6BAAqB;AACnB,SAAKqlC,MAAL,GAAc,CAAC,CAAf,CADmB,CACD;;AAClB,SAAK3B,MAAL,GAAc,CAAC,CAAf;AACA,SAAKH,MAAL,GAAc;AAAE;AACdj3B,cAAQ,EAAE,CADE;AAEZs3B,wBAAkB,EAAE,CAFR;AAGZ,SAAG;AACDvuD,aAAK,EAAE,CADN;AACSquD,cAAM,EAAE,CAAC,CADlB;AACqBC,WAAG,EAAE;AAD1B;AAHS,KAAd;;AAOA,SAAK8C,YAAL;AACD,G;;SAEDA,Y,GAAA,wBAAgB;AACd;AADc,QAENnqC,KAFM,GAEI,IAFJ,CAENA,KAFM;;AAGd,QAAI,CAACA,KAAL,EAAY;AACV;AACD;;AACD,QAAMskB,UAAU,GAAGtkB,KAAK,CAACskB,UAAzB;;AACA,QAAIA,UAAJ,EAAgB;AACd,WAAK,IAAI/9C,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG+9C,UAAU,CAAC18C,MAA/B,EAAuCrB,CAAC,EAAxC,EAA4C;AAC1Cs9C,wBAAgB,CAACS,UAAU,CAAC/9C,CAAD,CAAX,CAAhB;AACD;AACF;AACF,G;;SAEDm7C,gB,GAAA,0BAAkB78C,IAAlB,EAAmD;AAAA;;AACjD,SAAKy/C,UAAL,GAAkB,EAAlB;AACA,SAAKokB,gBAAL,GAAwB,KAAKA,gBAAL,IAAyB,EAAjD;AACA,SAAKpgD,OAAL,GAAe,EAAf;AACA,SAAKqgD,SAAL,GAAiB,EAAjB;;AAEA,QAAI,KAAKp+D,MAAL,CAAY6/D,YAAhB,EAA8B;AAC5B,WAAKxlD,MAAL,GAAc/f,IAAI,CAACqhC,SAAL,IAAkB,EAAhC;AACA,UAAMmkC,WAAW,GAAG,KAAKrqC,KAAL,GAAa,KAAKA,KAAL,CAAWskB,UAAxB,GAAqC,EAAzD;AAEA,WAAK1/B,MAAL,CAAYvH,OAAZ,CAAoB,UAAClP,KAAD,EAAQ4e,KAAR,EAAkB;AACpC,YAAI7R,SAAJ;;AACA,YAAI6R,KAAK,GAAGs9C,WAAW,CAACziE,MAAxB,EAAgC;AAC9B,cAAI0iE,UAA4B,GAAG,IAAnC;;AAEA,eAAK,IAAI/jE,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG8jE,WAAW,CAACziE,MAAhC,EAAwCrB,CAAC,EAAzC,EAA6C;AAC3C,gBAAIgkE,oBAAoB,CAACF,WAAW,CAAC9jE,CAAD,CAAZ,EAAiB4H,KAAjB,CAAxB,EAAiD;AAC/Cm8D,wBAAU,GAAGD,WAAW,CAAC9jE,CAAD,CAAxB;AACA;AACD;AACF,WAR6B,CAU9B;;;AACA,cAAI+jE,UAAJ,EAAgB;AACdpvD,qBAAS,GAAGovD,UAAZ;AACD;AACF;;AACD,YAAI,CAACpvD,SAAL,EAAgB;AACdA,mBAAS,GAAG,MAAI,CAACgvD,eAAL,CAAqB,WAArB,EAAkC/7D,KAAK,CAACpJ,IAAxC,EAA8CoJ,KAAK,CAACsyB,IAApD,CAAZ;AACD;;AAED,YAAItyB,KAAK,CAACgyB,OAAV,EAAmB;AACjBjlB,mBAAS,CAAC6pC,IAAV,GAAiB,MAAI,CAACrtB,GAAL,CAAS8yC,eAAT,GAA2B,SAA3B,GAAuC,QAAxD;AACD,SAFD,MAEO;AACLtvD,mBAAS,CAAC6pC,IAAV,GAAiB,UAAjB;AACD;;AAED,cAAI,CAACT,UAAL,CAAgBr1C,IAAhB,CAAqBiM,SAArB;AACD,OA5BD;AA6BD;AACF,G;;SAEDmwB,Y,GAAA,sBAAcxmC,IAAd,EAAsD;AAAA,QAC5C+W,IAD4C,GAC1B/W,IAD0B,CAC5C+W,IAD4C;AAAA,QACtCuI,OADsC,GAC1Btf,IAD0B,CACtCsf,OADsC;AAAA,QAE5C2kD,YAF4C,GAEQ,IAFR,CAE5CA,YAF4C;AAAA,QAE9BxgD,OAF8B,GAEQ,IAFR,CAE9BA,OAF8B;AAAA,QAErBygD,MAFqB,GAEQ,IAFR,CAErBA,MAFqB;AAAA,QAEbL,gBAFa,GAEQ,IAFR,CAEbA,gBAFa;;AAGpD,QAAI9sD,IAAI,CAAC5P,IAAL,KAAc,MAAlB,EAA0B;AACxB,UAAM0Y,EAAE,GAAG9I,IAAI,CAAC8I,EAAhB,CADwB,CAExB;;AACA,UAAI9I,IAAI,CAAC8I,EAAL,KAAYqkD,MAAM,GAAG,CAAzB,EAA4B;AAC1B,YAAID,YAAJ,EAAkB;AAChBA,sBAAY,CAAC7K,KAAb;AACD;AACF;;AACD,WAAK8K,MAAL,GAAcrkD,EAAd;AACD,KATD,CASE;AACF;AAVA,SAWK,IAAI9I,IAAI,CAAC5P,IAAL,KAAc,UAAlB,EAA8B;AACjC,YAAImY,OAAO,CAAC7e,UAAZ,EAAwB;AACtB;AACA,cAAI,CAAC,0CAAgBgjB,OAAO,CAAC1M,IAAI,CAACqe,EAAN,CAAvB,CAAL,EAAwC;AACtCyuC,4BAAgB,CAACz5D,IAAjB,CAAsBpK,IAAtB;;AACA,gBAAIyjB,OAAO,CAAC1gB,MAAZ,EAAoB;AAClB;AACA,mBAAK8vB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAAC4qB,uBAAvB,EAAgD;AAAE+zC,uBAAO,EAAE,KAAX;AAAkB7uD,oBAAI,EAAJA;AAAlB,eAAhD;AACD;;AACD;AACD;;AAED,cAAI8uD,WAAW,GAAG9uD,IAAI,CAAClG,WAAvB,CAXsB,CAYtB;;AACA,cAAKg1D,WAAW,IAAI,IAAhB,IAA0BA,WAAW,CAAC5lE,GAAZ,IAAmB,IAA7C,IAAuD4lE,WAAW,CAAC5yD,MAAZ,KAAuB,SAAlF,EAA8F;AAC5F,iBAAK6yD,UAAL,CAAgB/uD,IAAhB,EAAsBuI,OAAtB;AACD;AACF,SAhBD,MAgBO;AACL;AACA,eAAKuT,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAAC4qB,uBAAvB,EAAgD;AAAE+zC,mBAAO,EAAE,KAAX;AAAkB7uD,gBAAI,EAAJA;AAAlB,WAAhD;AACD;AACF;AACF,G;;SAED+uD,U,GAAA,oBAAY/uD,IAAZ,EAA4BuI,OAA5B,EAAqC;AAAA,QAC3BuT,GAD2B,GACS,IADT,CAC3BA,GAD2B;AAAA,QACtB0vC,MADsB,GACS,IADT,CACtBA,MADsB;AAAA,QACd9iB,UADc,GACS,IADT,CACdA,UADc;AAAA,QACF2iB,MADE,GACS,IADT,CACFA,MADE;;AAEnC,QAAI,CAACA,MAAM,CAACrrD,IAAI,CAACqe,EAAN,CAAX,EAAsB;AACpBgtC,YAAM,CAACrrD,IAAI,CAACqe,EAAN,CAAN,GAAkB;AAAElhB,aAAK,EAAE6C,IAAI,CAAC7C,KAAd;AAAqBquD,cAAM,EAANA,MAArB;AAA6BC,WAAG,EAAE;AAAlC,OAAlB;AACA,WAAKD,MAAL,GAAcxrD,IAAI,CAACqe,EAAnB;AACD,KALkC,CAMnC;;;AACAstC,iBAAY,CAACj4C,KAAb,CAAmBnL,OAAnB,EAA4B,KAAKmE,OAAL,CAAa1M,IAAI,CAACqe,EAAlB,CAA5B,EAAmDgtC,MAAnD,EAA2DrrD,IAAI,CAACqe,EAAhE,EAAoE,UAAU6pB,IAAV,EAAgB;AAClF,UAAM8mB,YAAY,GAAGtmB,UAAU,CAAC1oC,IAAI,CAACye,KAAN,CAA/B,CADkF,CAElF;AACA;AACA;;AACA,UAAIuwC,YAAY,CAAC7lB,IAAb,KAAsB,UAA1B,EAAsC;AACpCrtB,WAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAAC4qB,uBAAlB,EAA2C;AAAE+zC,iBAAO,EAAE,KAAX;AAAkB7uD,cAAI,EAAEA;AAAxB,SAA3C;AACA;AACD;;AACD,UAAIivD,YAAY,GAAGnuC,MAAM,CAACC,gBAA1B,CATkF,CAUlF;;AAEAmnB,UAAI,CAACzmC,OAAL,CAAa,UAAAwnC,GAAG,EAAI;AAClB;AACAgmB,oBAAY,GAAGp4D,IAAI,CAACC,GAAL,CAASmyC,GAAG,CAAC/2B,SAAb,EAAuB+8C,YAAvB,CAAf,CAFkB,CAGlB;AACA;AACA;;AACA,YAAI,CAACD,YAAY,CAAC9mB,IAAb,CAAkBgnB,UAAlB,CAA6BjmB,GAAG,CAACl1C,EAAjC,CAAL,EAA2C;AACzC,cAAI;AACFi7D,wBAAY,CAACxlB,MAAb,CAAoBP,GAApB;;AACA,gBAAI,CAAC+lB,YAAY,CAAC9mB,IAAb,CAAkBgnB,UAAlB,CAA6BjmB,GAAG,CAACl1C,EAAjC,CAAL,EAA2C;AACzC,oBAAM,IAAI7H,KAAJ,4BAAmC+8C,GAAnC,CAAN;AACD;AACF,WALD,CAKE,OAAOr5C,GAAP,EAAY;AACZP,4BAAM,CAAC6R,KAAP,sCAAgDtR,GAAhD;AACA,gBAAMu/D,YAAY,GAAG,IAAK1oC,MAAD,CAAgB8iB,YAApB,CAAiCN,GAAG,CAAC/2B,SAArC,EAAgD+2B,GAAG,CAAC92B,OAApD,EAA6D82B,GAAG,CAACptC,IAAjE,CAArB;AACAszD,wBAAY,CAACp7D,EAAb,GAAkBk1C,GAAG,CAACl1C,EAAtB;AACAi7D,wBAAY,CAACxlB,MAAb,CAAoB2lB,YAApB;AACD;AACF;AACF,OAnBD;AAsBA,UAAI1vB,gBAAgB,GAAG3jB,GAAG,CAACq4B,gBAAJ,CAAqB1U,gBAA5C,CAlCkF,CAmClF;AACA;;AACA,aAAOyI,IAAI,CAACl8C,MAAL,GAAc,CAAd,IAAmByzC,gBAAgB,KAAKnxC,SAA/C,EAA0D;AACxD;AACA,YAAI0gE,YAAY,CAAC9mB,IAAb,CAAkB,CAAlB,EAAqBh2B,SAArB,GAAiC+8C,YAAY,GAAG,GAApD,EAAwD;AACtDD,sBAAY,CAAC7mB,SAAb,CAAuB6mB,YAAY,CAAC9mB,IAAb,CAAkB,CAAlB,CAAvB;AACD,SAFD,MAEO;AACL;AACD;AACF;;AACDpsB,SAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAAC4qB,uBAAlB,EAA2C;AAAE+zC,eAAO,EAAE,IAAX;AAAiB7uD,YAAI,EAAEA;AAAvB,OAA3C;AACD,KA9CD,EA+CA,UAAUhR,CAAV,EAAa;AACX;AACAK,sBAAM,CAACC,GAAP,+BAAuCN,CAAvC;AACA8sB,SAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAAC4qB,uBAAlB,EAA2C;AAAE+zC,eAAO,EAAE,KAAX;AAAkB7uD,YAAI,EAAEA;AAAxB,OAA3C;AACD,KAnDD;AAoDD,G;;SAEDovD,e,GAAA,yBAAiBnmE,IAAjB,EAAwD;AAAA,QAC9C+W,IAD8C,GAC5B/W,IAD4B,CAC9C+W,IAD8C;AAAA,QACxCuI,OADwC,GAC5Btf,IAD4B,CACxCsf,OADwC;;AAEtD,QAAIvI,IAAI,CAAC5P,IAAL,KAAc,UAAlB,EAA8B;AAC5B,UAAI,CAAC,0CAAgB,KAAKsc,OAAL,CAAa1M,IAAI,CAACqe,EAAlB,CAAhB,CAAL,EAA6C;AAC3C,aAAKyuC,gBAAL,CAAsBz5D,IAAtB,CAA2BpK,IAA3B;AACA;AACD;;AAED,WAAK8lE,UAAL,CAAgB/uD,IAAhB,EAAsBuI,OAAtB;AACD;AACF,G;;SAED8mD,qB,GAAA,+BAAuBpmE,IAAvB,EAAsD;AACpD,QAAI,CAAC,KAAK2jE,OAAN,IAAiB,CAAC,KAAKM,YAA3B,EAAyC;AACvC;AACD,KAHmD,CAKpD;AACA;;;AACA,SAAK,IAAIviE,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG1B,IAAI,CAACmK,OAAL,CAAapH,MAAjC,EAAyCrB,CAAC,EAA1C,EAA8C;AAC5C,UAAM2kE,OAAO,GAAGrmE,IAAI,CAACmK,OAAL,CAAazI,CAAb,EAAgB6X,KAAhC;;AACA,UAAI8sD,OAAJ,EAAa;AACX,YAAMC,OAAO,GAAG,KAAKC,iBAAL,CAAuBF,OAAvB,CAAhB;AACA,aAAKpC,YAAL,CAAkBjE,OAAlB,CAA0BhgE,IAAI,CAACmK,OAAL,CAAazI,CAAb,EAAgB+H,GAA1C,EAA+C68D,OAA/C;AACD;AACF;AACF,G;;SAEDC,iB,GAAA,2BAAmBltD,SAAnB,EAAyD;AACvD,QAAIrL,KAAK,GAAGqL,SAAS,CAAC,CAAD,CAAT,GAAe,EAA3B;AACA,QAAI7L,QAAQ,GAAG,CAAf;AACA,QAAIg5D,OAAJ,EAAaC,OAAb,EAAsBC,OAAtB,EAA+BC,OAA/B,EAAwCC,MAAxC;AACA,QAAIC,aAAuB,GAAG,EAA9B;;AAEA,SAAK,IAAIz3D,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGpB,KAApB,EAA2BoB,CAAC,EAA5B,EAAgC;AAC9Bo3D,aAAO,GAAGntD,SAAS,CAAC7L,QAAQ,EAAT,CAAnB;AACAi5D,aAAO,GAAG,OAAOptD,SAAS,CAAC7L,QAAQ,EAAT,CAA1B;AACAk5D,aAAO,GAAG,OAAOrtD,SAAS,CAAC7L,QAAQ,EAAT,CAA1B;AACAm5D,aAAO,GAAG,CAAC,IAAIH,OAAL,MAAkB,CAA5B;AACAI,YAAM,GAAG,IAAIJ,OAAb;;AAEA,UAAIC,OAAO,KAAK,CAAZ,IAAiBC,OAAO,KAAK,CAAjC,EAAoC;AAClC;AACD;;AAED,UAAIC,OAAJ,EAAa;AACX,YAAIC,MAAM,KAAK,CAAf,EAAkB;AAAE;AAClBC,uBAAa,CAACz8D,IAAd,CAAmBq8D,OAAnB;AACAI,uBAAa,CAACz8D,IAAd,CAAmBs8D,OAAnB;AACD;AACF;AACF;;AACD,WAAOG,aAAP;AACD,G;;;EAlX8Bj0C,a;;AAqXjC,SAAS8yC,oBAAT,CAA+BD,UAA/B,EAA2CqB,aAA3C,EAAmE;AACjE,SAAOrB,UAAU,IAAIA,UAAU,CAAC9lB,KAAX,KAAqBmnB,aAAa,CAAC5mE,IAAjD,IAAyD,EAAEulE,UAAU,CAACrB,UAAX,IAAyBqB,UAAU,CAACjB,UAAtC,CAAhE;AACD;;AAED,SAASU,YAAT,CAAuB6B,EAAvB,EAAmCvkE,EAAnC,EAA+CwkE,EAA/C,EAA2DC,EAA3D,EAA+E;AAC7E,SAAOr5D,IAAI,CAACC,GAAL,CAASrL,EAAT,EAAaykE,EAAb,IAAmBr5D,IAAI,CAAC+U,GAAL,CAASokD,EAAT,EAAaC,EAAb,CAA1B;AACD;;AAEctD,8FAAf,E;;;;;;;;;;;;ACxYA;AACA;AACA;AACA;AACA;;IAEMwD,iD;;;;;AACJ,mCAAar0C,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACE5rB,iBAAK,CAAC8oB,cADR,EAEE9oB,iBAAK,CAAC+oB,eAFR,EAGE/oB,iBAAK,CAAC0pB,eAHR,EAIE1pB,iBAAK,CAAC2qB,qBAJR;AAKA,UAAK7R,MAAL,GAAc,EAAd;AACA,UAAK+O,OAAL,GAAe,CAAC,CAAhB;AACA,UAAKqM,KAAL,GAAa,IAAb;AACA,UAAKgsC,OAAL,GAAe,IAAf;AAEA;;;;AAGA,UAAKxB,eAAL,GAAuB,IAAvB;AAEA;;;;;AAIA,UAAKyB,kBAAL,GAA0B,IAA1B;AApBgB;AAqBjB;;;;SAEDhiE,O,GAAA,mBAAW;AACTwtB,iBAAY,CAACrT,SAAb,CAAuBna,OAAvB,CAA+Boa,IAA/B,CAAoC,IAApC;AACD,G,CAED;;;SACAk5B,e,GAAA,yBAAiB14C,IAAjB,EAAuB;AAAA;;AACrB,SAAKm7B,KAAL,GAAan7B,IAAI,CAACm7B,KAAlB;;AACA,QAAI,CAAC,KAAKA,KAAV,EAAiB;AACf;AACD;;AAED,QAAI,0CAAgB,KAAKisC,kBAArB,CAAJ,EAA8C;AAC5C,WAAKC,aAAL,GAAqB,KAAKD,kBAA1B;AACA,WAAKA,kBAAL,GAA0B,IAA1B;AACD;;AAED,SAAKE,mBAAL,GAA2B,KAAKC,oBAAL,CAA0Bp3D,IAA1B,CAA+B,IAA/B,CAA3B;AAEA,SAAKq3D,mBAAL,GAA2B,EAAE,KAAKrsC,KAAL,CAAWskB,UAAX,IAAyB,cAAc,KAAKtkB,KAAL,CAAWskB,UAApD,CAA3B;;AACA,QAAI,KAAK+nB,mBAAT,EAA8B;AAC5B,WAAKC,uBAAL,GAA+Bv1B,WAAW,CAAC,YAAM;AAC/C,cAAI,CAACo1B,mBAAL;AACD,OAFyC,EAEvC,GAFuC,CAA1C;AAGD,KAJD,MAIO;AACL,WAAKnsC,KAAL,CAAWskB,UAAX,CAAsBn1B,gBAAtB,CAAuC,QAAvC,EAAiD,KAAKg9C,mBAAtD;AACD;AACF,G;;SAEDtuB,gB,GAAA,4BAAoB;AAClB,QAAI,CAAC,KAAK7d,KAAV,EAAiB;AACf;AACD;;AAED,QAAI,KAAKqsC,mBAAT,EAA8B;AAC5Bz1B,mBAAa,CAAC,KAAK01B,uBAAN,CAAb;AACD,KAFD,MAEO;AACL,WAAKtsC,KAAL,CAAWskB,UAAX,CAAsB7V,mBAAtB,CAA0C,QAA1C,EAAoD,KAAK09B,mBAAzD;AACD;;AAED,QAAI,0CAAgB,KAAKD,aAArB,CAAJ,EAAyC;AACvC,WAAKD,kBAAL,GAA0B,KAAKC,aAA/B;AACD;;AAED,QAAM5nB,UAAU,GAAGioB,oBAAoB,CAAC,KAAKvsC,KAAL,CAAWskB,UAAZ,CAAvC,CAfkB,CAgBlB;;AACAA,cAAU,CAACjnC,OAAX,CAAmB,UAAClP,KAAD,EAAW;AAC5B01C,sBAAgB,CAAC11C,KAAD,CAAhB;AACD,KAFD,EAjBkB,CAoBlB;;AACA,SAAK+9D,aAAL,GAAqB,CAAC,CAAtB;AACA,SAAKlsC,KAAL,GAAa,IAAb;AACD,G,CAED;;;SACA0hB,gB,GAAA,0BAAkB78C,IAAlB,EAAwB;AAAA;;AACtB,QAAI+f,MAAM,GAAG/f,IAAI,CAACqhC,SAAL,IAAkB,EAA/B;AACA,SAAKthB,MAAL,GAAcA,MAAd;AACA,SAAK8S,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACwqB,uBAAvB,EAAgD;AAAEk2C,oBAAc,EAAE5nD;AAAlB,KAAhD,EAHsB,CAKtB;AACA;;AACAA,UAAM,CAACvH,OAAP,CAAe,UAAAlP,KAAK,EAAI;AACtB,UAAIA,KAAK,CAACgyB,OAAV,EAAmB;AACjB;AACA;AACA;AACA;AACA,YAAI,MAAI,CAACH,KAAT,EAAgB;AACd,gBAAI,CAACksC,aAAL,GAAqB/9D,KAAK,CAACwB,EAA3B;AACD,SAFD,MAEO;AACL,gBAAI,CAACs8D,kBAAL,GAA0B99D,KAAK,CAACwB,EAAhC;AACD;AACF;AACF,KAZD;AAaD,G;;SAED88D,qB,GAAA,+BAAuB5nE,IAAvB,EAA6B;AAAA;;AAAA,QACnB8K,EADmB,GACH9K,IADG,CACnB8K,EADmB;AAAA,QACfxD,OADe,GACHtH,IADG,CACfsH,OADe;AAAA,QAEnBwnB,OAFmB,GAEC,IAFD,CAEnBA,OAFmB;AAAA,QAEV/O,MAFU,GAEC,IAFD,CAEVA,MAFU;AAG3B,QAAMgmD,YAAY,GAAGhmD,MAAM,CAAC+O,OAAD,CAA3B;;AACA,QAAIhkB,EAAE,IAAIiV,MAAM,CAAChd,MAAb,IAAuB+H,EAAE,KAAKgkB,OAA9B,IAAyC,CAACi3C,YAA1C,IAA0D,KAAKoB,OAAnE,EAA4E;AAC1E,WAAKU,iBAAL;;AACA;AACD;;AAEDzhE,oBAAM,CAACC,GAAP,qBAA6ByE,EAA7B;;AACA,QAAIxD,OAAO,CAACuvB,IAAZ,EAAkB;AAChB,UAAMwV,cAAc,GAAGH,qBAAqB,CAAC65B,YAAY,CAACz+D,OAAd,EAAuBA,OAAvB,EAAgCtH,IAAI,CAACopB,KAAL,CAAWi1B,QAA3C,CAA5C;AACAj4C,sBAAM,CAACC,GAAP,0CAAkDgmC,cAAlD;AACA,WAAKkQ,KAAL,GAAajK,UAAU,CAAC,YAAM;AAC5B,cAAI,CAACw1B,iBAAL;AACD,OAFsB,EAEpBz7B,cAFoB,CAAvB;AAGD,KAND,MAMO;AACL,WAAKw7B,iBAAL;AACD;AACF,G;;SAEDz0B,S,GAAA,qBAAa;AACX,SAAK+zB,OAAL,GAAe,KAAf;;AACA,SAAKW,iBAAL;AACD,G;;SAEDz0B,Q,GAAA,oBAAY;AACV,SAAK8zB,OAAL,GAAe,IAAf;;AACA,SAAKU,iBAAL;AACD;AAED;;;SAkBAA,iB,GAAA,6BAAqB;AACnB,QAAI,KAAKtrB,KAAT,EAAgB;AACdnK,kBAAY,CAAC,KAAKmK,KAAN,CAAZ;AACA,WAAKA,KAAL,GAAa,IAAb;AACD;AACF,G;;SAEDurB,iB,GAAA,6BAAqB;AAAA,QACXh5C,OADW,GACc,IADd,CACXA,OADW;AAAA,QACF/O,MADE,GACc,IADd,CACFA,MADE;AAAA,QACM8S,GADN,GACc,IADd,CACMA,GADN;AAEnB,QAAMkzC,YAAY,GAAGhmD,MAAM,CAAC+O,OAAD,CAA3B;;AACA,QAAIA,OAAO,GAAG,CAAV,IAAe,CAACi3C,YAAhB,IAAiCA,YAAY,CAACz+D,OAAb,IAAwB,CAACy+D,YAAY,CAACz+D,OAAb,CAAqBuvB,IAAnF,EAA0F;AACxF;AACD;;AACDzwB,oBAAM,CAACC,GAAP,6BAAqCyoB,OAArC;AACA+D,OAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAAC0qB,sBAAlB,EAA0C;AAAExF,SAAG,EAAE45C,YAAY,CAAC55C,GAApB;AAAyBrhB,QAAE,EAAEgkB;AAA7B,KAA1C;AACD;AAED;;;;;;;;;SAOAi5C,iB,GAAA,2BAAmB1Y,KAAnB,EAA0B;AAAA,QAChBl0B,KADgB,GACoB,IADpB,CAChBA,KADgB;AAAA,QACTwqC,eADS,GACoB,IADpB,CACTA,eADS;AAAA,QACQ72C,OADR,GACoB,IADpB,CACQA,OADR;;AAExB,QAAI,CAACqM,KAAL,EAAY;AACV;AACD;;AAED,QAAMskB,UAAU,GAAGioB,oBAAoB,CAACvsC,KAAK,CAACskB,UAAP,CAAvC;;AACA,QAAI4P,KAAK,KAAK,CAAC,CAAf,EAAkB;AAChB,SAAGxuD,KAAH,CAAS2e,IAAT,CAAcigC,UAAd,EAA0BjnC,OAA1B,CAAkC,UAAAlP,KAAK,EAAI;AACzCA,aAAK,CAAC42C,IAAN,GAAa,UAAb;AACD,OAFD;AAGD,KAJD,MAIO;AACL,UAAM8nB,QAAQ,GAAGvoB,UAAU,CAAC3wB,OAAD,CAA3B;;AACA,UAAIk5C,QAAJ,EAAc;AACZA,gBAAQ,CAAC9nB,IAAT,GAAgB,UAAhB;AACD;AACF;;AAED,QAAM+nB,SAAS,GAAGxoB,UAAU,CAAC4P,KAAD,CAA5B;;AACA,QAAI4Y,SAAJ,EAAe;AACbA,eAAS,CAAC/nB,IAAV,GAAiBylB,eAAe,GAAG,SAAH,GAAe,QAA/C;AACD;AACF;AAED;;;;;;;SAKAuC,yB,GAAA,mCAA2B7Y,KAA3B,EAAkC;AAAA,QACxBx8B,GADwB,GACR,IADQ,CACxBA,GADwB;AAAA,QACnB9S,MADmB,GACR,IADQ,CACnBA,MADmB;;AAEhC,QAAI,CAAC,0CAAgBsvC,KAAhB,CAAD,IAA2BA,KAAK,GAAG,CAAC,CAApC,IAAyCA,KAAK,IAAItvC,MAAM,CAAChd,MAA7D,EAAqE;AACnE;AACD;;AAED,SAAK+rB,OAAL,GAAeugC,KAAf;AACAjpD,oBAAM,CAACC,GAAP,kCAA0CgpD,KAA1C;AACAx8B,OAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACyqB,qBAAlB,EAAyC;AAAE5mB,QAAE,EAAEukD;AAAN,KAAzC;;AACA,SAAKyY,iBAAL;AACD,G;;SAEDP,oB,GAAA,gCAAwB;AACtB;AACA,QAAI,CAAC,KAAKpsC,KAAV,EAAiB;AACf;AACD;;AAED,QAAIrM,OAAO,GAAG,CAAC,CAAf;AACA,QAAI/O,MAAM,GAAG2nD,oBAAoB,CAAC,KAAKvsC,KAAL,CAAWskB,UAAZ,CAAjC;;AACA,SAAK,IAAI30C,EAAE,GAAG,CAAd,EAAiBA,EAAE,GAAGiV,MAAM,CAAChd,MAA7B,EAAqC+H,EAAE,EAAvC,EAA2C;AACzC,UAAIiV,MAAM,CAACjV,EAAD,CAAN,CAAWo1C,IAAX,KAAoB,QAAxB,EAAkC;AAChC;AACApxB,eAAO,GAAGhkB,EAAV;AACD,OAHD,MAGO,IAAIiV,MAAM,CAACjV,EAAD,CAAN,CAAWo1C,IAAX,KAAoB,SAAxB,EAAmC;AACxCpxB,eAAO,GAAGhkB,EAAV;AACA;AACD;AACF,KAhBqB,CAkBtB;;;AACA,SAAKu8D,aAAL,GAAqBv4C,OAArB;AACD,G;;;;wBAtGqB;AACpB,aAAO,KAAK/O,MAAZ;AACD;AAED;;;;wBACqB;AACnB,aAAO,KAAK+O,OAAZ;AACD;AAED;;sBACmBq5C,e,EAAiB;AAClC,UAAI,KAAKr5C,OAAL,KAAiBq5C,eAArB,EAAsC;AACpC,aAAKJ,iBAAL,CAAuBI,eAAvB;;AACA,aAAKD,yBAAL,CAA+BC,eAA/B;AACD;AACF;;;;EAnJmCv1C,a;;AA6OtC,SAAS80C,oBAAT,CAA+BU,aAA/B,EAA8C;AAC5C,MAAIroD,MAAM,GAAG,EAAb;;AACA,OAAK,IAAIre,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG0mE,aAAa,CAACrlE,MAAlC,EAA0CrB,CAAC,EAA3C,EAA+C;AAC7C,QAAM4H,KAAK,GAAG8+D,aAAa,CAAC1mE,CAAD,CAA3B,CAD6C,CAE7C;;AACA,QAAI4H,KAAK,CAACo2C,IAAN,KAAe,WAAf,IAA8Bp2C,KAAK,CAACq2C,KAAxC,EAA+C;AAC7C5/B,YAAM,CAAC3V,IAAP,CAAYg+D,aAAa,CAAC1mE,CAAD,CAAzB;AACD;AACF;;AACD,SAAOqe,MAAP;AACD;;AAEcmnD,+GAAf,E;;;;;;;;;AC/PA;;;AAIA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;wCAEwB1pC,M;IAAhB9U,sC,qCAAAA,W;AACR,IAAM4rB,wCAAa,GAAG,GAAtB,C,CAA2B;;AAEpB,IAAM+zB,mDAAb;AAAA;AAAA;AAAA;;AACE,oCAAax1C,GAAb,EAAkBwc,eAAlB,EAAmC;AAAA;;AACjC,6CAAMxc,GAAN,EACE5rB,iBAAK,CAAC8oB,cADR,EAEE9oB,iBAAK,CAAC+oB,eAFR,EAGE/oB,iBAAK,CAACC,KAHR,EAIED,iBAAK,CAACurB,UAJR,EAKEvrB,iBAAK,CAACgrB,WALR,EAMEhrB,iBAAK,CAACwqB,uBANR,EAOExqB,iBAAK,CAACyqB,qBAPR,EAQEzqB,iBAAK,CAAC2qB,qBARR,EASE3qB,iBAAK,CAAC4qB,uBATR,EAUE5qB,iBAAK,CAACgqB,aAVR;AAYA,UAAKoe,eAAL,GAAuBA,eAAvB;AACA,UAAK3pC,MAAL,GAAcmtB,GAAG,CAACntB,MAAlB;AACA,UAAKiV,KAAL,GAAa43B,KAAK,CAACC,OAAnB;AACA,UAAKzyB,MAAL,GAAc,EAAd;AACA,UAAKuoD,cAAL,GAAsB,EAAtB;AACA,UAAKC,cAAL,GAAsB,CAAC,CAAvB;AACA,UAAKx3D,SAAL,GAAiB,IAAIvL,oBAAJ,CAAcqtB,GAAd,EAAmBA,GAAG,CAACntB,MAAvB,CAAjB,CAnBiC,CAoBjC;;AACA,UAAK8iE,WAAL,GAAmB,CAAnB;AACA,UAAKC,eAAL,GAAuB,MAAKh1B,cAAL,CAAoBtjC,IAApB,yDAAvB;AAtBiC;AAuBlC;;AAxBH;;AAAA,SA0BEu4D,uBA1BF,GA0BE,iCAAyB1oE,IAAzB,EAA+B;AAAA,QACrB+W,IADqB,GACH/W,IADG,CACrB+W,IADqB;AAAA,QACf6uD,OADe,GACH5lE,IADG,CACf4lE,OADe;AAE7B,SAAKj3B,YAAL,GAAoB53B,IAApB;AACA,SAAK4D,KAAL,GAAa43B,KAAK,CAACG,IAAnB;;AACA,QAAI,CAACkzB,OAAL,EAAc;AACZ;AACD;;AAED,QAAM3gC,QAAQ,GAAG,KAAKqjC,cAAL,CAAoB,KAAKC,cAAzB,CAAjB;;AACA,QAAI,CAACtjC,QAAL,EAAe;AACb;AACD,KAX4B,CAa7B;AACA;;;AACA,QAAII,SAAJ;AACA,QAAMsjC,SAAS,GAAG5xD,IAAI,CAAC7C,KAAvB;;AACA,SAAK,IAAIxS,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGujC,QAAQ,CAACliC,MAA7B,EAAqCrB,CAAC,EAAtC,EAA0C;AACxC,UAAIinE,SAAS,IAAI1jC,QAAQ,CAACvjC,CAAD,CAAR,CAAYwS,KAAzB,IAAkCy0D,SAAS,IAAI1jC,QAAQ,CAACvjC,CAAD,CAAR,CAAYomB,GAA/D,EAAoE;AAClEud,iBAAS,GAAGJ,QAAQ,CAACvjC,CAAD,CAApB;AACA;AACD;AACF;;AAED,QAAMknE,OAAO,GAAG7xD,IAAI,CAAC7C,KAAL,GAAa6C,IAAI,CAACpM,QAAlC;;AACA,QAAI06B,SAAJ,EAAe;AACbA,eAAS,CAACvd,GAAV,GAAgB8gD,OAAhB;AACD,KAFD,MAEO;AACLvjC,eAAS,GAAG;AACVnxB,aAAK,EAAEy0D,SADG;AAEV7gD,WAAG,EAAE8gD;AAFK,OAAZ;AAIA3jC,cAAQ,CAAC76B,IAAT,CAAci7B,SAAd;AACD;AACF,GA5DH;;AAAA,SA8DEqT,eA9DF,GA8DE,+BAA4B;AAAA,QAATvd,KAAS,QAATA,KAAS;AAC1B,SAAKA,KAAL,GAAaA,KAAb;AACAA,SAAK,CAAC7Q,gBAAN,CAAuB,SAAvB,EAAkC,KAAKm+C,eAAvC;AACA,SAAK9tD,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACD,GAlEH;;AAAA,SAoEEsG,gBApEF,GAoEE,4BAAoB;AAAA;;AAClB,QAAI,CAAC,KAAK7d,KAAV,EAAiB;AACf;AACD;;AACD,SAAKA,KAAL,CAAWyO,mBAAX,CAA+B,SAA/B,EAA0C,KAAK6+B,eAA/C;AACA,SAAKp5B,eAAL,CAAqBxI,kBAArB;AACA,SAAK0hC,cAAL,GAAsB,CAAC,CAAvB;AACA,SAAKxoD,MAAL,CAAYvH,OAAZ,CAAoB,UAAClP,KAAD,EAAW;AAC7B,YAAI,CAACg/D,cAAL,CAAoBh/D,KAAK,CAACwB,EAA1B,IAAgC,EAAhC;AACD,KAFD;AAGA,SAAKqwB,KAAL,GAAa,IAAb;AACA,SAAKxgB,KAAL,GAAa43B,KAAK,CAACC,OAAnB;AACD,GAhFH,CAkFE;AAlFF;;AAAA,SAmFEjS,OAnFF,GAmFE,iBAASvgC,IAAT,EAAe;AACb;AACA;AACA;AACA;AACA;AACA;AACA,SAAK2a,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACD,GA3FH,CA6FE;AA7FF;;AAAA,SA8FEm2B,uBA9FF,GA8FE,iCAAyB7oE,IAAzB,EAA+B;AAAA;;AAC7BoG,oBAAM,CAACC,GAAP,CAAW,yBAAX;AACA,SAAKiiE,cAAL,GAAsB,EAAtB;AACA,SAAKvoD,MAAL,GAAc/f,IAAI,CAAC2nE,cAAnB;AACA,SAAK5nD,MAAL,CAAYvH,OAAZ,CAAoB,UAAClP,KAAD,EAAW;AAC7B,YAAI,CAACg/D,cAAL,CAAoBh/D,KAAK,CAACwB,EAA1B,IAAgC,EAAhC;AACD,KAFD;AAGD,GArGH;;AAAA,SAuGEg+D,qBAvGF,GAuGE,+BAAuB9oE,IAAvB,EAA6B;AAC3B,SAAKuoE,cAAL,GAAsBvoE,IAAI,CAAC8K,EAA3B;;AAEA,QAAI,CAAC,KAAKiV,MAAN,IAAgB,CAAC,KAAKA,MAAL,CAAYhd,MAA7B,IAAuC,KAAKwlE,cAAL,KAAwB,CAAC,CAApE,EAAuE;AACrE,WAAKx2B,aAAL;AACA;AACD,KAN0B,CAQ3B;;;AACA,QAAMg0B,YAAY,GAAG,KAAKhmD,MAAL,CAAY,KAAKwoD,cAAjB,CAArB;;AACA,QAAIxC,YAAY,IAAIA,YAAY,CAACz+D,OAAjC,EAA0C;AACxC,WAAK4qC,WAAL,CAAiBoC,wCAAjB;AACD;AACF,GApHH,CAsHE;AAtHF;;AAAA,SAuHEszB,qBAvHF,GAuHE,+BAAuB5nE,IAAvB,EAA6B;AAAA,QACnB8K,EADmB,GACH9K,IADG,CACnB8K,EADmB;AAAA,QACfxD,OADe,GACHtH,IADG,CACfsH,OADe;AAAA,QAEnBihE,cAFmB,GAEQ,IAFR,CAEnBA,cAFmB;AAAA,QAEHxoD,MAFG,GAEQ,IAFR,CAEHA,MAFG;AAG3B,QAAMgmD,YAAY,GAAGhmD,MAAM,CAACwoD,cAAD,CAA3B;;AACA,QAAIz9D,EAAE,IAAIiV,MAAM,CAAChd,MAAb,IAAuB+H,EAAE,KAAKy9D,cAA9B,IAAgD,CAACxC,YAArD,EAAmE;AACjE;AACD;;AAED,QAAIz+D,OAAO,CAACuvB,IAAZ,EAAkB;AAChB8U,4BAAsB,CAACo6B,YAAY,CAACz+D,OAAd,EAAuBA,OAAvB,EAAgC,KAAKkhE,WAArC,CAAtB;AACD;;AACDzC,gBAAY,CAACz+D,OAAb,GAAuBA,OAAvB;AACA,SAAK4qC,WAAL,CAAiBoC,wCAAjB;AACD,GApIH;;AAAA,SAsIEmF,WAtIF,GAsIE,uBAAe;AACb,QAAI,KAAK9+B,KAAL,KAAe43B,KAAK,CAAChgB,WAAzB,EAAsC;AACpC,WAAK5X,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACD;AACF,GA1IH;;AAAA,SA4IElM,YA5IF,GA4IE,sBAAcxmC,IAAd,EAAoB;AAClB,QAAMszC,WAAW,GAAG,KAAKA,WAAzB;AACA,QAAMuyB,WAAW,GAAG7lE,IAAI,CAAC+W,IAAL,CAAUlG,WAA9B;AACA,QAAM6oC,UAAU,GAAG15C,IAAI,CAAC+W,IAAxB;AACA,QAAM8b,GAAG,GAAG,KAAKA,GAAjB;;AAEA,QAAI,KAAKlY,KAAL,KAAe43B,KAAK,CAACzgB,YAArB,IACAwhB,WADA,IAEAtzC,IAAI,CAAC+W,IAAL,CAAU5P,IAAV,KAAmB,UAFnB,IAGAmsC,WAAW,CAACzzB,EAAZ,KAAmB7f,IAAI,CAAC+W,IAAL,CAAU8I,EAHjC,EAGqC;AACnC;AACA,UAAI7f,IAAI,CAACsf,OAAL,CAAa7e,UAAb,GAA0B,CAA1B,IAAgColE,WAAW,IAAIA,WAAW,CAAC5lE,GAA3B,IAAkC4lE,WAAW,CAAC5yD,MAAZ,KAAuB,SAA7F,EAAyG;AACvG,YAAIgW,SAAS,GAAGP,sCAAW,CAACD,GAAZ,EAAhB,CADuG,CAGvG;;AACA,aAAK1X,SAAL,CAAehR,OAAf,CAAuBC,IAAI,CAACsf,OAA5B,EAAqCumD,WAAW,CAAC5lE,GAAZ,CAAgBM,MAArD,EAA6DslE,WAAW,CAAChmE,EAAZ,CAAeU,MAA5E,EAAoF,UAAUkR,aAAV,EAAyB;AAC3G,cAAIyX,OAAO,GAAGR,sCAAW,CAACD,GAAZ,EAAd;AACAoK,aAAG,CAAC7rB,OAAJ,CAAYC,iBAAK,CAACkiB,cAAlB,EAAkC;AAAEpS,gBAAI,EAAE2iC,UAAR;AAAoBp6B,mBAAO,EAAE7N,aAA7B;AAA4C2X,iBAAK,EAAE;AAAEC,oBAAM,EAAEJ,SAAV;AAAqBK,sBAAQ,EAAEJ;AAA/B;AAAnD,WAAlC;AACD,SAHD;AAID;AACF;AACF,GAjKH;;AAAA,SAmKEugC,cAnKF,GAmKE,+BAA6B;AAAA,QAAXniD,OAAW,SAAXA,OAAW;AAC3B,QAAMykC,KAAK,GAAGzkC,OAAO,CAACsvB,SAAtB;AACA,SAAK4xC,WAAL,GAAmBz8B,KAAK,CAAChpC,MAAN,GAAegpC,KAAK,CAAC,CAAD,CAAL,CAAS73B,KAAxB,GAAgC,CAAnD;AACD,GAtKH;;AAAA,SAwKEm+B,MAxKF,GAwKE,kBAAU;AACR,QAAI,CAAC,KAAKlX,KAAV,EAAiB;AACf,WAAKxgB,KAAL,GAAa43B,KAAK,CAACG,IAAnB;AACA;AACD;;AAED,YAAQ,KAAK/3B,KAAb;AACA,WAAK43B,KAAK,CAACG,IAAX;AAAiB;AAAA,cACPhtC,MADO,GACoD,IADpD,CACPA,MADO;AAAA,cACC6iE,cADD,GACoD,IADpD,CACCA,cADD;AAAA,cACiBl5B,eADjB,GACoD,IADpD,CACiBA,eADjB;AAAA,cACkClU,KADlC,GACoD,IADpD,CACkCA,KADlC;AAAA,cACyCpb,MADzC,GACoD,IADpD,CACyCA,MADzC;;AAEf,cAAI,CAACA,MAAD,IAAW,CAACA,MAAM,CAACwoD,cAAD,CAAlB,IAAsC,CAACxoD,MAAM,CAACwoD,cAAD,CAAN,CAAuBjhE,OAAlE,EAA2E;AACzE;AACD;;AAJc,cAMP6e,aANO,GAMmCzgB,MANnC,CAMPygB,aANO;AAAA,cAMQoiB,sBANR,GAMmC7iC,MANnC,CAMQ6iC,sBANR;AAOf,cAAMioB,eAAe,GAAG5iD,IAAI,CAACC,GAAL,CAASnI,MAAM,CAACiwC,eAAhB,EAAiCjwC,MAAM,CAACkwC,kBAAxC,CAAxB;AACA,cAAMhO,YAAY,GAAGL,YAAY,CAACK,YAAb,CAA0B,KAAKmhC,YAAL,EAA1B,EAA+C5tC,KAAK,CAACqN,WAArD,EAAkEriB,aAAlE,CAArB;AARe,cASFkiB,SATE,GAS4BT,YAT5B,CASP9f,GATO;AAAA,cAScogB,SATd,GAS4BN,YAT5B,CASS38B,GATT;AAWf,cAAMqlD,YAAY,GAAGvwC,MAAM,CAACwoD,cAAD,CAAN,CAAuBjhE,OAA5C;AACA,cAAMsvB,SAAS,GAAG05B,YAAY,CAAC15B,SAA/B;AACA,cAAMkf,OAAO,GAAGlf,SAAS,CAAC7zB,MAA1B;AACA,cAAM+kB,GAAG,GAAG8O,SAAS,CAACkf,OAAO,GAAG,CAAX,CAAT,CAAuB5hC,KAAvB,GAA+B0iB,SAAS,CAACkf,OAAO,GAAG,CAAX,CAAT,CAAuBnrC,QAAlE;;AAEA,cAAIu9B,SAAS,GAAGsoB,eAAhB,EAAiC;AAC/B;AACD;;AAED,cAAIK,SAAJ;AACA,cAAMliB,YAAY,GAAG,KAAKA,YAA1B;;AACA,cAAItG,SAAS,GAAGvgB,GAAhB,EAAqB;AACnB,gBAAI6mB,YAAY,IAAI2hB,YAAY,CAACtiB,kBAAjC,EAAqD;AACnD6iB,uBAAS,GAAG1iB,iBAAiB,CAACvX,SAAD,EAAY+X,YAAY,CAACpR,kBAAzB,EAA6CgL,sBAA7C,CAA7B;AACD;;AACD,gBAAI,CAACsoB,SAAL,EAAgB;AACdA,uBAAS,GAAGniB,iBAAiB,CAACC,YAAD,EAAe/X,SAAf,EAA0ByR,SAA1B,EAAqCE,sBAArC,CAA7B;AACD;;AACD,gBAAI,CAACsoB,SAAD,IAAcP,YAAY,CAACz5B,IAA3B,IAAmC8X,YAAnC,IAAmDA,YAAY,CAACz6B,KAAb,GAAqB0iB,SAAS,CAAC,CAAD,CAAT,CAAa1iB,KAAzF,EAAgG;AAC9F;;;;;;;;;;;;;;;;;;;AAsBD28C,uBAAS,GAAGj6B,SAAS,CAAC,CAAD,CAArB;AACAxwB,8BAAM,CAACgN,IAAP,oFAA6Fy9C,SAAS,CAAC38C,KAAvG;AACA;AAEF,WAlCD,MAkCO;AACL28C,qBAAS,GAAGj6B,SAAS,CAACkf,OAAO,GAAG,CAAX,CAArB;AACD;;AAED,cAAI+a,SAAS,IAAIA,SAAS,CAAC3a,SAA3B,EAAsC;AACpC9vC,4BAAM,CAACC,GAAP,sBAA8BwqD,SAAS,CAAChxC,EAAxC;AACA,iBAAKlF,KAAL,GAAa43B,KAAK,CAAChgB,WAAnB;AACA,iBAAKM,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACsrB,WAAvB,EAAoC;AAAExb,kBAAI,EAAE85C;AAAR,aAApC;AACD,WAJD,MAIO,IAAIA,SAAS,IAAI,KAAKxhB,eAAL,CAAqB9I,QAArB,CAA8BsqB,SAA9B,MAA6CzsB,aAAa,CAACC,UAA5E,EAAwF;AAC7F;AACA,iBAAKiP,WAAL,GAAmBud,SAAnB;AACA,iBAAKl2C,KAAL,GAAa43B,KAAK,CAACzgB,YAAnB;AACA,iBAAKe,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAAC6qB,YAAvB,EAAqC;AAAE/a,kBAAI,EAAE85C;AAAR,aAArC;AACD;AACF;AAvED;AAyED,GAvPH;;AAAA,SAyPExd,QAzPF,GAyPE,oBAAY;AACV,SAAKm1B,WAAL,GAAmB,CAAnB;;AACA,oCAAMn1B,QAAN;AACD,GA5PH;;AAAA,SA8PE01B,YA9PF,GA8PE,wBAAgB;AACd,WAAO,KAAKT,cAAL,CAAoB,KAAKC,cAAzB,KAA4C,EAAnD;AACD,GAhQH;;AAAA,SAkQE90B,cAlQF,GAkQE,0BAAkB;AAChB,SAAK9E,YAAL,GAAoB,IAApB;AACD,GApQH;;AAAA;AAAA,EAA8CwE,2CAA9C,E;;AChBA;;;AAGO,IAAK61B,UAAZ;;WAAYA,U;AAAAA,Y;AAAAA,Y;GAAAA,U,KAAAA,U;;AAMZ,IAAMC,2BAA2B,GAAI,YAAiC;AACpE,MAAI,OAAOzrC,MAAP,KAAkB,WAAlB,IAAiCA,MAAM,CAACt1B,SAAxC,IAAqDs1B,MAAM,CAACt1B,SAAP,CAAiB+gE,2BAA1E,EAAuG;AACrG,WAAOzrC,MAAM,CAACt1B,SAAP,CAAiB+gE,2BAAjB,CAA6C94D,IAA7C,CAAkDqtB,MAAM,CAACt1B,SAAzD,CAAP;AACD,GAFD,MAEO;AACL,WAAO,IAAP;AACD;AACF,CANmC,EAApC;;;;;;;;;;ACTA;;;;;AAMA;AACA;AACA;AAEA;AAEA;AAEA,IAAMghE,4BAA4B,GAAG,CAArC;AAEA;;;;;;;;AAQA,IAAMC,0CAA0C,GAAG,SAA7CA,0CAA6C,CAAUC,WAAV,EAAiCC,WAAjC,EAAuF;AAAE;AAC1I,MAAMC,UAAuC,GAAG;AAC9C;AACA;AACA;AACA;AACA;AACAC,qBAAiB,EAAE,EAN2B,CAMxB;;AANwB,GAAhD;AASAF,aAAW,CAAC7wD,OAAZ,CAAoB,UAAC5P,KAAD,EAAW;AAC7B0gE,cAAU,CAACC,iBAAX,CAA8Bn/D,IAA9B,CAAmC;AACjCo/D,iBAAW,2BAAwB5gE,KAAxB;AADsB,KAAnC;AAGD,GAJD;AAMA,SAAO,CACL0gE,UADK,CAAP;AAGD,CAnBD;AAqBA;;;;;;;;;;;;;;AAYA,IAAMG,uDAAwC,GAAG,SAA3CA,wCAA2C,CAAUC,SAAV,EAAiCN,WAAjC,EAAwDC,WAAxD,EAA8G;AAC7J,UAAQK,SAAR;AACA,SAAKV,UAAU,CAACW,QAAhB;AACE,aAAOR,0CAA0C,CAACC,WAAD,EAAcC,WAAd,CAAjD;;AACF;AACE,YAAM,IAAIpmE,KAAJ,0BAAiCymE,SAAjC,CAAN;AAJF;AAMD,CAPD;;AAiBA;;;;;;;IAOME,4B;;;;;AAYJ;;;;AAIA,yBAAa/2C,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACE5rB,iBAAK,CAAC8oB,cADR,EAEE9oB,iBAAK,CAACgpB,cAFR,EAGEhpB,iBAAK,CAAC2pB,eAHR;AADgB,UAfVi5C,mBAeU;AAAA,UAdVC,gBAcU;AAAA,UAbVC,WAaU;AAAA,UAZVC,4BAYU;AAAA,UAVVC,OAUU;AAAA,UATVC,cASU,GAT4B,EAS5B;AAAA,UARVC,MAQU,GARwB,IAQxB;AAAA,UAPVC,gBAOU,GAPkB,KAOlB;AAAA,UANVC,2BAMU,GAN4B,CAM5B;;AAAA,UA+IVC,iBA/IU,GA+IU,UAACvkE,CAAD,EAA4B;AACtDK,sBAAM,CAACC,GAAP,iCAAwCN,CAAC,CAACwkE,YAA1C;;AAEA,YAAKC,oBAAL;;AACA,YAAKC,uCAAL,CAA6C1kE,CAAC,CAACwkE,YAA/C,EAA6DxkE,CAAC,CAACknB,QAA/D;AACD,KApJiB;;AAMhB,UAAKg9C,OAAL,GAAep3C,GAAG,CAACntB,MAAnB;AAEA,UAAKmkE,mBAAL,GAA2B,MAAKI,OAAL,CAAaS,kBAAxC;AACA,UAAKZ,gBAAL,GAAwB,MAAKG,OAAL,CAAaU,eAArC;AACA,UAAKZ,WAAL,GAAmB,MAAKE,OAAL,CAAaW,UAAhC;AACA,UAAKZ,4BAAL,GAAoC,MAAKC,OAAL,CAAaY,+BAAjD;AAXgB;AAYjB;AAED;;;;;;;;;SAKAC,mB,GAAA,6BAAqBpB,SAArB,EAAoD;AAClD,YAAQA,SAAR;AACA,WAAKV,UAAU,CAACW,QAAhB;AACE,YAAI,CAAC,KAAKE,mBAAV,EAA+B;AAC7B;AACD;;AACD,eAAO,KAAKA,mBAAZ;AALF;;AAQA,UAAM,IAAI5mE,KAAJ,wDAA8DymE,SAA9D,QAAN;AACD;AAED;;;;;;;;;;SAQQqB,uB,GAAR,iCAAiCrB,SAAjC,EAAwDN,WAAxD,EAA+EC,WAA/E,EAAsG;AAAA;;AACpG;AAEA;AACA,QAAM2B,qBAAqB,GAAGvB,uDAAwC,CAACC,SAAD,EAAYN,WAAZ,EAAyBC,WAAzB,CAAtE;AAEAjjE,oBAAM,CAACC,GAAP,CAAW,8CAAX,EANoG,CAQpG;;AACA,SAAK4iE,2BAAL,CAAiCS,SAAjC,EAA4CsB,qBAA5C,EACGxkE,IADH,CACQ,UAACykE,oBAAD,EAA0B;AAC9B,YAAI,CAACC,+BAAL,CAAqCxB,SAArC,EAAgDuB,oBAAhD;AACD,KAHH,EAIGvkE,KAJH,CAIS,UAACC,GAAD,EAAS;AACdP,sBAAM,CAACU,KAAP,oCAA6C4iE,SAA7C,iBAAmE/iE,GAAnE;AACD,KANH;AAOD,G;;AAUD;;;;;;SAMQukE,+B,GAAR,yCAAyCxB,SAAzC,EAAgEuB,oBAAhE,EAA4G;AAAA;;AAC1G7kE,oBAAM,CAACC,GAAP,8BAAqCqjE,SAArC;AAEA,QAAMyB,iBAAoC,GAAG;AAC3CC,iCAA2B,EAAE,KADc;AAE3CH,0BAAoB,EAAEA,oBAFqB;AAG3CI,0BAAoB,EAAE3B;AAHqB,KAA7C;;AAMA,SAAKQ,cAAL,CAAoB9/D,IAApB,CAAyB+gE,iBAAzB;;AAEAF,wBAAoB,CAACK,eAArB,GACG9kE,IADH,CACQ,UAAC+kE,SAAD,EAAe;AACnBJ,uBAAiB,CAACI,SAAlB,GAA8BA,SAA9B;AAEAnlE,sBAAM,CAACC,GAAP,0CAAiDqjE,SAAjD;;AAEA,YAAI,CAAC8B,mBAAL;AACD,KAPH,EAQG9kE,KARH,CAQS,UAACC,GAAD,EAAS;AACdP,sBAAM,CAACU,KAAP,CAAa,8BAAb,EAA6CH,GAA7C;AACD,KAVH;AAWD;AAED;;;;;;;;SAMQ6kE,mB,GAAR,+BAA+B;AAAA;;AAC7B;AACA,SAAKtB,cAAL,CAAoB1xD,OAApB,CAA4B,UAAC2yD,iBAAD,EAAuB;AACjD,UAAI,CAACA,iBAAiB,CAACM,gBAAvB,EAAyC;AACvC;AACAN,yBAAiB,CAACM,gBAAlB,GAAqCN,iBAAiB,CAACI,SAAlB,CAA6BG,aAA7B,EAArC;;AACA,cAAI,CAACC,qBAAL,CAA2BR,iBAAiB,CAACM,gBAA7C;AACD;AACF,KAND;AAOD;AAED;;;;;;SAIQE,qB,GAAR,+BAA+BC,UAA/B,EAA4D;AAAA;;AAC1DxlE,oBAAM,CAACC,GAAP,6BAAqCulE,UAAU,CAACC,SAAhD;AAEAD,cAAU,CAACthD,gBAAX,CAA4B,SAA5B,EAAuC,UAACP,KAAD,EAAiC;AACtE,YAAI,CAAC+hD,oBAAL,CAA0BF,UAA1B,EAAsC7hD,KAAK,CAAChjB,OAA5C;AACD,KAFD,EAEG,KAFH;AAGD;AAED;;;;;;;SAKQ+kE,oB,GAAR,8BAA8BF,UAA9B,EAA2D7kE,OAA3D,EAAiF;AAC/EX,oBAAM,CAACC,GAAP,CAAW,iDAAX;;AAEA,SAAK0lE,eAAL,CAAqBhlE,OAArB,EAA8B,UAAC/G,IAAD,EAAuB;AACnDoG,sBAAM,CAACC,GAAP,sCAA6CrG,IAAI,GAAGA,IAAI,CAACS,UAAR,GAAqBT,IAAtE;AACA4rE,gBAAU,CAACI,MAAX,CAAkBhsE,IAAlB;AACD,KAHD;AAID;AAED;;;;;;;AAYA;;;SAGQwqE,oB,GAAR,gCAAgC;AAC9B,QAAI,CAAC,KAAKL,MAAV,EAAkB;AAChB,YAAM,IAAIlnE,KAAJ,CAAU,oEAAV,CAAN;AACD;;AAED,QAAI,CAAC,KAAKmnE,gBAAV,EAA4B;AAC1B;AACA,UAAM6B,YAAY,GAAG,KAAK/B,cAAL,CAAoB,CAApB,CAArB;;AACA,UAAI,CAAC+B,YAAD,IAAiB,CAACA,YAAY,CAACV,SAAnC,EAA8C;AAC5CnlE,wBAAM,CAACU,KAAP,CAAa,+EAAb;AACA,aAAK+rB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,cAAI,EAAEC,oBAAU,CAAC8kE,gBADW;AAE5B5kE,iBAAO,EAAEC,sBAAY,CAAC4kE,kBAFM;AAG5B1kE,eAAK,EAAE;AAHqB,SAA9B;AAKA;AACD;;AAEDrB,sBAAM,CAACC,GAAP,CAAW,kCAAX;;AAEA,WAAK8jE,MAAL,CAAYiC,YAAZ,CAAyBH,YAAY,CAACV,SAAtC;;AACA,WAAKnB,gBAAL,GAAwB,IAAxB;AACD;AACF;AAED;;;;;SAGQK,uC,GAAR,iDAAiDF,YAAjD,EAAuEt9C,QAAvE,EAAqG;AAAA;;AACnG;AACA,QAAMg/C,YAAY,GAAG,KAAK/B,cAAL,CAAoB,CAApB,CAArB;;AACA,QAAI,CAAC+B,YAAL,EAAmB;AACjB7lE,sBAAM,CAACU,KAAP,CAAa,+EAAb;AACA,WAAK+rB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,YAAI,EAAEC,oBAAU,CAAC8kE,gBADW;AAE5B5kE,eAAO,EAAEC,sBAAY,CAAC8kE,oBAFM;AAG5B5kE,aAAK,EAAE;AAHqB,OAA9B;AAKA;AACD;;AAED,QAAIwkE,YAAY,CAACb,2BAAjB,EAA8C;AAC5ChlE,sBAAM,CAACgN,IAAP,CAAY,qDAAZ;AACA;AACD;;AAED,QAAMw4D,UAAU,GAAGK,YAAY,CAACR,gBAAhC;;AACA,QAAI,CAACG,UAAL,EAAiB;AACfxlE,sBAAM,CAACU,KAAP,CAAa,uDAAb;AACA,WAAK+rB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,YAAI,EAAEC,oBAAU,CAAC8kE,gBADW;AAE5B5kE,eAAO,EAAEC,sBAAY,CAAC+kE,qBAFM;AAG5B7kE,aAAK,EAAE;AAHqB,OAA9B;AAKA;AACD,KA3BkG,CA6BnG;;;AACA,QAAI,CAACwlB,QAAL,EAAe;AACb7mB,sBAAM,CAACgN,IAAP,CAAY,+DAAZ;AACA,WAAKyf,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,YAAI,EAAEC,oBAAU,CAAC8kE,gBADW;AAE5B5kE,eAAO,EAAEC,sBAAY,CAACglE,uBAFM;AAG5B9kE,aAAK,EAAE;AAHqB,OAA9B;AAKA;AACD;;AAEDrB,oBAAM,CAACC,GAAP,2CAAkDkkE,YAAlD;AACA0B,gBAAY,CAACb,2BAAb,GAA2C,IAA3C;AAEAQ,cAAU,CAACY,eAAX,CAA2BjC,YAA3B,EAAyCt9C,QAAzC,EACGzmB,IADH,CACQ,YAAM;AACVJ,sBAAM,CAAC6R,KAAP,CAAa,kCAAb;AACD,KAHH,EAIGvR,KAJH,CAIS,UAACC,GAAD,EAAS;AACdP,sBAAM,CAACU,KAAP,CAAa,uCAAb,EAAsDH,GAAtD;;AACA,YAAI,CAACksB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,YAAI,EAAEC,oBAAU,CAAC8kE,gBADW;AAE5B5kE,eAAO,EAAEC,sBAAY,CAAC+kE,qBAFM;AAG5B7kE,aAAK,EAAE;AAHqB,OAA9B;AAKD,KAXH;AAYD;AAED;;;;;;;;;;SAQQglE,iB,GAAR,2BAA2BtgD,GAA3B,EAAwCugD,UAAxC,EAAiEvmE,QAAjE,EAAwH;AACtH,QAAM4nD,GAAG,GAAG,IAAIR,cAAJ,EAAZ;AACA,QAAMod,eAAe,GAAG,KAAKb,gBAA7B;;AAEA,QAAI;AACF,UAAIa,eAAJ,EAAqB;AACnB,YAAI;AACFA,yBAAe,CAAC5c,GAAD,EAAM5hC,GAAN,CAAf;AACD,SAFD,CAEE,OAAOpmB,CAAP,EAAU;AACV;AACAgoD,aAAG,CAACC,IAAJ,CAAS,MAAT,EAAiB7hC,GAAjB,EAAsB,IAAtB;AACAw+C,yBAAe,CAAC5c,GAAD,EAAM5hC,GAAN,CAAf;AACD;AACF,OATC,CAUF;;;AACA,UAAI,CAAC4hC,GAAG,CAACtX,UAAT,EAAqB;AACnBsX,WAAG,CAACC,IAAJ,CAAS,MAAT,EAAiB7hC,GAAjB,EAAsB,IAAtB;AACD;AACF,KAdD,CAcE,OAAOpmB,CAAP,EAAU;AACV;AACA,YAAM,IAAI9C,KAAJ,6CAAoD8C,CAApD,CAAN;AACD,KArBqH,CAuBtH;;;AACAgoD,OAAG,CAAC/uB,YAAJ,GAAmB,aAAnB;AACA+uB,OAAG,CAACI,kBAAJ,GACI,KAAKwe,iCAAL,CAAuCx8D,IAAvC,CAA4C,IAA5C,EAAkD49C,GAAlD,EAAuD5hC,GAAvD,EAA4DugD,UAA5D,EAAwEvmE,QAAxE,CADJ;AAEA,WAAO4nD,GAAP;AACD;AAED;;;;;;;;;SAOQ4e,iC,GAAR,2CAA2C5e,GAA3C,EAAgE5hC,GAAhE,EAA6EugD,UAA7E,EAAsGvmE,QAAtG,EAA6I;AAC3I,YAAQ4nD,GAAG,CAACtX,UAAZ;AACA,WAAK,CAAL;AACE,YAAIsX,GAAG,CAACE,MAAJ,KAAe,GAAnB,EAAwB;AACtB,eAAKoc,2BAAL,GAAmC,CAAnC;AACAjkE,0BAAM,CAACC,GAAP,CAAW,2BAAX;;AAEA,cAAI0nD,GAAG,CAAC/uB,YAAJ,KAAqB,aAAzB,EAAwC;AACtC54B,4BAAM,CAACgN,IAAP,CAAY,+EAAZ;AACD;;AACDjN,kBAAQ,CAAC4nD,GAAG,CAAC5vB,QAAL,CAAR;AACD,SARD,MAQO;AACL/3B,0BAAM,CAACU,KAAP,kCAA4CqlB,GAA5C,mBAA6D4hC,GAAG,CAACE,MAAjE,UAA4EF,GAAG,CAACW,UAAhF;AACA,eAAK2b,2BAAL;;AACA,cAAI,KAAKA,2BAAL,GAAmCnB,4BAAvC,EAAqE;AACnE,iBAAKr2C,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,kBAAI,EAAEC,oBAAU,CAAC8kE,gBADW;AAE5B5kE,qBAAO,EAAEC,sBAAY,CAACqlE,iCAFM;AAG5BnlE,mBAAK,EAAE;AAHqB,aAA9B;AAKA;AACD;;AAED,cAAMolE,YAAY,GAAG3D,4BAA4B,GAAG,KAAKmB,2BAApC,GAAkE,CAAvF;AACAjkE,0BAAM,CAACgN,IAAP,gCAAyCy5D,YAAzC;;AACA,eAAKd,eAAL,CAAqBW,UAArB,EAAiCvmE,QAAjC;AACD;;AACD;AA1BF;AA4BD;AAED;;;;;;;;;SAOQ2mE,gC,GAAR,0CAA0Cb,YAA1C,EAA2ES,UAA3E,EAAiH;AAC/G,YAAQT,YAAY,CAACZ,oBAArB;AACA;AACA;;AACA;;;;;;;;;;;;;;;;;;;;AAoBA,WAAKrC,UAAU,CAACW,QAAhB;AACE;AACA,eAAO+C,UAAP;AAzBF;;AA4BA,UAAM,IAAIzpE,KAAJ,8BAAqCgpE,YAAY,CAACZ,oBAAlD,CAAN;AACD;AAED;;;;;;;SAKQU,e,GAAR,yBAAyBW,UAAzB,EAAkDvmE,QAAlD,EAAyF;AACvFC,oBAAM,CAACC,GAAP,CAAW,2CAAX;AAEA,QAAM4lE,YAAY,GAAG,KAAK/B,cAAL,CAAoB,CAApB,CAArB;;AACA,QAAI,CAAC+B,YAAL,EAAmB;AACjB7lE,sBAAM,CAACU,KAAP,CAAa,gFAAb;AACA,WAAK+rB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,YAAI,EAAEC,oBAAU,CAAC8kE,gBADW;AAE5B5kE,eAAO,EAAEC,sBAAY,CAAC8kE,oBAFM;AAG5B5kE,aAAK,EAAE;AAHqB,OAA9B;AAKA;AACD;;AAED,QAAI;AACF,UAAM0kB,IAAG,GAAG,KAAK2+C,mBAAL,CAAyBmB,YAAY,CAACZ,oBAAtC,CAAZ;;AACA,UAAMtd,IAAG,GAAG,KAAK0e,iBAAL,CAAuBtgD,IAAvB,EAA4BugD,UAA5B,EAAwCvmE,QAAxC,CAAZ;;AACAC,sBAAM,CAACC,GAAP,sCAA8C8lB,IAA9C;;AACA,UAAM4gD,SAAS,GAAG,KAAKD,gCAAL,CAAsCb,YAAtC,EAAoDS,UAApD,CAAlB;;AACA3e,UAAG,CAACO,IAAJ,CAASye,SAAT;AACD,KAND,CAME,OAAOhnE,CAAP,EAAU;AACVK,sBAAM,CAACU,KAAP,sCAAgDf,CAAhD;AACA,WAAK8sB,GAAL,CAAS7rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,YAAI,EAAEC,oBAAU,CAAC8kE,gBADW;AAE5B5kE,eAAO,EAAEC,sBAAY,CAACqlE,iCAFM;AAG5BnlE,aAAK,EAAE;AAHqB,OAA9B;AAKD;AACF,G;;SAEDixC,e,GAAA,yBAAiB14C,IAAjB,EAAqD;AACnD,QAAI,CAAC,KAAK+pE,WAAV,EAAuB;AACrB;AACD;;AAED,QAAM5uC,KAAK,GAAGn7B,IAAI,CAACm7B,KAAnB,CALmD,CAOnD;;AACA,SAAKgvC,MAAL,GAAchvC,KAAd;AAEAA,SAAK,CAAC7Q,gBAAN,CAAuB,WAAvB,EAAoC,KAAKggD,iBAAzC;AACD,G;;SAED0C,e,GAAA,2BAAmB;AACjB,QAAI,KAAK7C,MAAT,EAAiB;AACf,WAAKA,MAAL,CAAYvgC,mBAAZ,CAAgC,WAAhC,EAA6C,KAAK0gC,iBAAlD;;AACA,WAAKH,MAAL,GAAc,IAAd,CAFe,CAEK;AACrB;AACF,G,CAED;;;SACAlxB,gB,GAAA,0BAAkBj5C,IAAlB,EAA6B;AAC3B,QAAI,CAAC,KAAK+pE,WAAV,EAAuB;AACrB;AACD;;AAED,QAAMX,WAAW,GAAGppE,IAAI,CAACq6B,MAAL,CAAY/K,GAAZ,CAAgB,UAACkG,KAAD;AAAA,aAAWA,KAAK,CAAC5tB,UAAjB;AAAA,KAAhB,CAApB;AACA,QAAMyhE,WAAW,GAAGrpE,IAAI,CAACq6B,MAAL,CAAY/K,GAAZ,CAAgB,UAACkG,KAAD;AAAA,aAAWA,KAAK,CAAC9qB,UAAjB;AAAA,KAAhB,CAApB;;AAEA,SAAKqgE,uBAAL,CAA6B/B,UAAU,CAACW,QAAxC,EAAkDP,WAAlD,EAA+DC,WAA/D;AACD,G;;;;wBAzWkC;AACjC,UAAI,CAAC,KAAKW,4BAAV,EAAwC;AACtC,cAAM,IAAI/mE,KAAJ,CAAU,oDAAV,CAAN;AACD;;AAED,aAAO,KAAK+mE,4BAAZ;AACD;;;;EA/EyBp3C,a;;AAqbbg3C,+EAAf,E;;;;;;ACtgBA;;;AAIA;AACA;AACA;AACA;CAEA;;AAEA;AACA;AAEA;AACA;AACA;AACA;AACA;AACA;AAgJA;AACA;AAEO,IAAMqD,gBAA2B;AACtCl0B,eAAa,EAAE,IADuB;AACjB;AACrB/E,eAAa,EAAE,CAAC,CAFsB;AAEnB;AACnB8H,mBAAiB,EAAE,KAAK,CAHc;AAGX;AAC3B7jC,OAAK,EAAE,KAJ+B;AAIxB;AACdi0C,mBAAiB,EAAE,KALmB;AAKZ;AAC1B3B,sBAAoB,EAAE,KANgB;AAMT;AAC7BxU,yBAAuB,EAAE,CAPa;AAOV;AAC5BJ,iBAAe,EAAE,EARqB;AAQjB;AACrBD,eAAa,EAAE,KAAK,IAAL,GAAY,IATW;AASL;AACjCvvB,eAAa,EAAE,GAVuB;AAUlB;AAEpB+mD,yBAAuB,EAAE,GAZa;AAYR;AAC9Bl8B,0BAAwB,EAAE,CAbY;AAaT;AAC7BM,aAAW,EAAE,GAdyB;AAcpB;AAClBD,eAAa,EAAE,CAfuB;AAepB;AAClB9I,wBAAsB,EAAE,IAhBc;AAgBR;AAC9B8L,uBAAqB,EAAE,CAjBe;AAiBZ;AAC1BkC,6BAA2B,EAAE5yB,QAlBS;AAkBC;AACvCywB,kBAAgB,EAAE,KAAK,CAnBe;AAmBZ;AAC1BkC,wBAAsB,EAAE,KAAK,CApBS;AAoBN;AAChCoT,sBAAoB,EAAE,KArBgB;AAqBT;AAC7BN,sBAAoB,EAAEzlC,QAtBgB;AAsBN;AAChCiyB,oBAAkB,EAAE,GAvBkB;AAuBb;AACzB9M,cAAY,EAAE,IAxBwB;AAwBlB;AACpB5iC,mBAAiB,EAAE,IAzBmB;AAyBb;AACzB05B,wBAAsB,EAAE,KA1Bc;AA0BP;AAC/BD,yBAAuB,EAAE,CA3Ba;AA2BV;AAC5BE,2BAAyB,EAAE,IA5BW;AA4BL;AACjCC,gCAA8B,EAAE,KA7BM;AA6BC;AACvCgV,YAAU,EAAE,KAAK,CA9BqB;AA8BlB;AACpB/U,qBAAmB,EAAE,KA/BiB;AA+BV;AAC5BC,sBAAoB,EAAE,CAhCgB;AAgCb;AACzBC,wBAAsB,EAAE,IAjCc;AAiCR;AAC9BC,6BAA2B,EAAE,KAlCS;AAkCF;AACpCqD,oBAAkB,EAAE,KAnCkB;AAmCX;AAC3B8X,qBAAmB,EAAE,CApCiB;AAoCd;AACxBpX,uBAAqB,EAAE,IArCe;AAqCT;AAC7BT,4BAA0B,EAAE,KAtCU;AAsCH;AACnC8R,mBAAiB,EAAE,KAvCmB;AAuCZ;AAC1B+W,4BAA0B,EAAE,IAxCU;AAwCJ;AAClCY,+BAA6B,EAAE,GAzCO;AAyCF;AACpCnD,qBAAmB,EAAE,CA1CiB;AA0Cd;AACxBp0B,QAAM,EAAE83B,UA3C8B;AA4CtC;AACAtqB,SAAO,EAAE,KAAK,CA7CwB;AA6CrB;AACjB5E,SAAO,EAAE,KAAK,CA9CwB;AA8CrB;AACjBmvB,UAAQ,EAAE,KAAK,CA/CuB;AA+CpB;AAClBkd,iBAAe,EAAE,KAAK,CAhDgB;AAgDb;AACzB;AACAwC,eAAa,EAAEzqB,cAlDuB;AAmDtC0qB,kBAAgB,EAAEvnB,iBAnDoB;AAoDtCwnB,oBAAkB,EAAEjjB,oBApDkB;AAqDtCkjB,eAAa,EAAEthB,cArDuB;AAsDtC9lC,wBAAsB,EAAE,KAtDc;AAsDP;AAC/BoB,qBAAmB,EAAE,CAvDiB;AAuDd;AACxBvP,8BAA4B,EAAE,IAxDQ;AAwDF;AACpCorC,iBAAe,EAAE,CAzDqB;AAyDlB;AACpBC,iBAAe,EAAE,CA1DqB;AA0DlB;AACpBC,gBAAc,EAAE,CA3DsB;AA2DnB;AACnBC,gBAAc,EAAE,CA5DsB;AA4DnB;AACnBC,wBAAsB,EAAE,GA7Dc;AA6DT;AAC7BkC,oBAAkB,EAAE,IA9DkB;AA8DZ;AAC1BC,sBAAoB,EAAE,GA/DgB;AA+DX;AAC3BvB,uBAAqB,EAAE,KAhEe;AAgER;AAC9BwB,oBAAkB,EAAE,CAjEkB;AAiEf;AACvBC,iBAAe,EAAE,CAlEqB;AAkElB;AACpB2nB,gBAAc,EAAE,CAnEsB;AAmEnB;AACnB3C,YAAU,EAAE,KApE0B;AAoEnB;AACnBF,oBAAkB,EAAE,KAAK,CArEa;AAqEV;AAC5BG,iCAA+B,EAAE5B,2BAA2BA;AAtEtB,GAyEnCuE,cAAc,EAzEqB;AA0EtCC,0BAAwB,EAAGC,KAAD,GAAsBrF,mDAAtB,GAAiD,SA1ErC;AA2EtCsF,yBAAuB,EAAGD,KAAD,GAAsBxG,yBAAtB,GAAgD,SA3EnC;AA4EtC3F,oBAAkB,EAAGmM,KAAD,GAAsBhK,mBAAtB,GAA2C,SA5EzB;AA6EtCkK,uBAAqB,EAAGC,KAAD,GAAsB5d,uBAAtB,GAA8C,SA7E/B;AA8EtC6d,sBAAoB,EAAGD,KAAD,GAAsBjf,sBAAtB,GAA6C,SA9E7B;AA+EtCmf,eAAa,EAAGC,KAAD,GAAoBpE,cAApB,GAAoC,SAAM;AA/EnB,EAAjC;;AAkFP,SAAS4D,cAAT,GAAqD;AACnD,MAAI,KAAJ,EAAwB,EAIvB;;AACD,SAAO;AACLrJ,cAAU,EAAEP,oBADP;AACa;AAClBe,wBAAoB,EAAE,IAFjB;AAEuB;AAC5BY,gBAAY,EAAE,IAHT;AAGe;AACpBlB,2BAAuB,EAAE,SAJpB;AAI+B;AACpCE,kCAA8B,EAAE,IAL3B;AAKiC;AACtCE,2BAAuB,EAAE,SANpB;AAM+B;AACpCC,kCAA8B,EAAE,IAP3B,CAOgC;;AAPhC,GAAP;AASD,C;;;;;;;;;;;;;;;ACvQD;AAEA;AAKA;AACA;AACA;AAEA;AACA;AACA;AACA;AAEA;AACA;AACA;AAEA;AAEA;AAEA;;;;;;IAKqBuJ,O;;;;;AAwBnB;;;MAGOztB,W,GAAP,uBAA+B;AAC7B,WAAOA,wBAAW,EAAlB;AACD;AAED;;;;;;;;AAdA;;;wBAG8B;AAC5B,aAAO0tB,SAAP;AACD;;;wBAYoB;AACnB,aAAOr+C,iBAAP;AACD;AAED;;;;;;wBAGyB;AACvB,aAAOzoB,oBAAP;AACD;AAED;;;;;;wBAG2B;AACzB,aAAOG,sBAAP;AACD;AAED;;;;;;wBAGuC;AACrC,UAAI,CAAC0mE,GAAG,CAACE,aAAT,EAAwB;AACtB,eAAOlB,gBAAP;AACD;;AAED,aAAOgB,GAAG,CAACE,aAAX;AACD;AAED;;;;sBAG0BA,a,EAA0B;AAClDF,SAAG,CAACE,aAAJ,GAAoBA,aAApB;AACD;AAED;;;;;;;;;AAMA,eAAaC,UAAb,EAAkD;AAAA;;AAAA,QAArCA,UAAqC;AAArCA,gBAAqC,GAAJ,EAAI;AAAA;;AAChD;AADgD,UA1E3C1oE,MA0E2C;AAAA,UAxE1C2oE,iBAwE0C;AAAA,UAvE1ClB,aAuE0C;AAAA,UAtE1CE,kBAsE0C;AAAA,UArE1CiB,eAqE0C;AAAA,UApE1CpjB,gBAoE0C;AAAA,UAnE1CqjB,kBAmE0C;AAAA,UAlE1CT,oBAkE0C;AAAA,UAjE1CH,uBAiE0C;AAAA,UAhE1CI,aAgE0C;AAAA,UA/D1CS,cA+D0C;AAAA,UA9D1CrzC,KA8D0C,GA9DT,IA8DS;AAAA,UA7D1ChP,GA6D0C,GA7DrB,IA6DqB;AAGhD,QAAMgiD,aAAa,GAAGF,GAAG,CAACQ,aAA1B;;AAEA,QAAI,CAACL,UAAU,CAAC/5B,qBAAX,IAAoC+5B,UAAU,CAAC73B,2BAAhD,MAAiF63B,UAAU,CAACh6B,gBAAX,IAA+Bg6B,UAAU,CAAC93B,sBAA3H,CAAJ,EAAwJ;AACtJ,YAAM,IAAIrzC,KAAJ,CAAU,oIAAV,CAAN;AACD,KAP+C,CAShD;;;AACA,UAAKyC,MAAL,wBACKyoE,aADL,EAEKC,UAFL;;AAVgD;AAAA,QAexC1oE,MAfwC,yBAexCA,MAfwC;;AAiBhD,QAAIA,MAAM,CAAC6wC,2BAAP,KAAuC,KAAK,CAA5C,IAAiD7wC,MAAM,CAAC6wC,2BAAP,IAAsC7wC,MAAM,CAAC2uC,qBAAlG,EAAyH;AACvH,YAAM,IAAIpxC,KAAJ,CAAU,yFAAV,CAAN;AACD;;AAED,QAAIyC,MAAM,CAAC4wC,sBAAP,KAAkC,KAAK,CAAvC,KAA6C5wC,MAAM,CAAC0uC,gBAAP,KAA4B,KAAK,CAAjC,IAAsC1uC,MAAM,CAAC4wC,sBAAP,IAAiC5wC,MAAM,CAAC0uC,gBAA3H,CAAJ,EAAkJ;AAChJ,YAAM,IAAInxC,KAAJ,CAAU,+EAAV,CAAN;AACD;;AAEDynB,gCAAU,CAAChlB,MAAM,CAACuS,KAAR,CAAV;AAEA,UAAKo2D,iBAAL,GAAyB,CAAC,CAA1B,CA3BgD,CA6BhD;;AAEA;;;;AAGA,QAAMlB,aAAa,GAAG,MAAKA,aAAL,GAAqB,IAAIznE,MAAM,CAACynE,aAAX,kCAA3C,CAlCgD,CAkC2B;;AAC3E,QAAMC,gBAAgB,GAAG,IAAI1nE,MAAM,CAAC0nE,gBAAX,kCAAzB,CAnCgD,CAmCY;;AAC5D,QAAMC,kBAAkB,GAAG,MAAKA,kBAAL,GAA0B,IAAI3nE,MAAM,CAAC2nE,kBAAX,kCAArD,CApCgD,CAoC0C;;AAC1F,QAAMC,aAAa,GAAG,IAAI5nE,MAAM,CAAC4nE,aAAX,kCAAtB,CArCgD,CAqCM;;AACtD,QAAMoB,cAAc,GAAG,IAAIjxC,eAAJ,kCAAvB;AACA,QAAMkxC,cAAc,GAAG,IAAI7rC,eAAJ,kCAAvB;AACA,QAAM8rC,SAAS,GAAG,IAAI/qC,UAAJ,kCAAlB;AACA,QAAMgrC,kBAAkB,GAAG,IAAItvB,oBAAJ,kCAA3B,CAzCgD,CA2ChD;;AAEA;;;;AAGA,QAAM+uB,eAAe,GAAG,MAAKA,eAAL,GAAuB,IAAInyB,gCAAJ,kCAA/C,CAhDgD,CAkDhD;;AACA,QAAM9M,eAAe,GAAG,IAAI5K,gCAAJ,kCAAxB;AAEA;;;;AAGA,QAAMymB,gBAAgB,GAAG,MAAKA,gBAAL,GAAwB,IAAI3W,iBAAJ,mCAA2BlF,eAA3B,CAAjD;AAEA,QAAIk/B,kBAAkB,GAAG,CAACD,eAAD,EAAkBpjB,gBAAlB,CAAzB,CA1DgD,CA4DhD;;AACA;;;;AAGA,QAAI4jB,UAAU,GAAGppE,MAAM,CAACkoE,qBAAxB;;AACA,QAAIkB,UAAJ,EAAgB;AACdP,wBAAkB,CAACnkE,IAAnB,CAAwB,IAAI0kE,UAAJ,mCAAqBz/B,eAArB,CAAxB;AACD;AAED;;;;;AAGA,UAAKk/B,kBAAL,GAA0BA,kBAA1B;AAEA;;;;AAGA,QAAMC,cAAc,GAAG,CACrBE,cADqB,EAErBC,cAFqB,EAGrBC,SAHqB,EAIrBzB,aAJqB,EAKrBC,gBALqB,EAMrBC,kBANqB,EAOrBC,aAPqB,EAQrBuB,kBARqB,EASrBx/B,eATqB,CAAvB,CA7EgD,CAyFhD;;AACAy/B,cAAU,GAAGppE,MAAM,CAACooE,oBAApB;;AACA,QAAIgB,UAAJ,EAAgB;AACd,UAAMhB,oBAAoB,GAAG,IAAIgB,UAAJ,kCAA7B;AAEA;;;;AAGA,YAAKhB,oBAAL,GAA4BA,oBAA5B;AACAU,oBAAc,CAACpkE,IAAf,CAAoB0jE,oBAApB;AACD;;AAEDgB,cAAU,GAAGppE,MAAM,CAACioE,uBAApB;;AACA,QAAImB,UAAJ,EAAgB;AACd,UAAMnB,uBAAuB,GAAG,IAAImB,UAAJ,kCAAhC;AAEA;;;;AAGA,YAAKnB,uBAAL,GAA+BA,uBAA/B;AACAY,wBAAkB,CAACnkE,IAAnB,CAAwBujE,uBAAxB;AACD;;AAEDmB,cAAU,GAAGppE,MAAM,CAACqoE,aAApB;;AACA,QAAIe,UAAJ,EAAgB;AACd,UAAMf,aAAa,GAAG,IAAIe,UAAJ,kCAAtB;AAEA;;;;AAGA,YAAKf,aAAL,GAAqBA,aAArB;AACAS,oBAAc,CAACpkE,IAAf,CAAoB2jE,aAApB;AACD,KAzH+C,CA2HhD;;;AACAe,cAAU,GAAGppE,MAAM,CAAC+nE,wBAApB;;AACA,QAAIqB,UAAJ,EAAgB;AACdP,wBAAkB,CAACnkE,IAAnB,CAAwB,IAAI0kE,UAAJ,mCAAqBz/B,eAArB,CAAxB;AACD;;AACDy/B,cAAU,GAAGppE,MAAM,CAAC67D,kBAApB;;AACA,QAAIuN,UAAJ,EAAgB;AACdN,oBAAc,CAACpkE,IAAf,CAAoB,IAAI0kE,UAAJ,kCAApB;AACD;AAED;;;;;AAGA,UAAKN,cAAL,GAAsBA,cAAtB;AAxIgD;AAyIjD;AAED;;;;;;;SAGAppE,O,GAAA,mBAAW;AACTgB,oBAAM,CAACC,GAAP,CAAW,SAAX;AACA,SAAKW,OAAL,CAAa6oB,iBAAS,CAACyC,UAAvB;AACA,SAAKy8C,WAAL;AACA,SAAKP,cAAL,CAAoBtuD,MAApB,CAA2B,KAAKquD,kBAAhC,EAAoD/1D,OAApD,CAA4D,UAAAw2D,SAAS,EAAI;AACvEA,eAAS,CAAC5pE,OAAV;AACD,KAFD;AAGA,SAAK+mB,GAAL,GAAW,IAAX;AACA,SAAK2d,kBAAL;AACA,SAAKukC,iBAAL,GAAyB,CAAC,CAA1B;AACD;AAED;;;;;;SAIAY,W,GAAA,qBAAa9zC,KAAb,EAAsC;AACpC/0B,oBAAM,CAACC,GAAP,CAAW,aAAX;AACA,SAAK80B,KAAL,GAAaA,KAAb;AACA,SAAKn0B,OAAL,CAAa6oB,iBAAS,CAACC,eAAvB,EAAwC;AAAEqL,WAAK,EAAEA;AAAT,KAAxC;AACD;AAED;;;;;SAGA4zC,W,GAAA,uBAAe;AACb3oE,oBAAM,CAACC,GAAP,CAAW,aAAX;AACA,SAAKW,OAAL,CAAa6oB,iBAAS,CAACG,eAAvB;AACA,SAAKmL,KAAL,GAAa,IAAb;AACD;AAED;;;;;;SAIA+zC,U,GAAA,oBAAY/iD,GAAZ,EAAyB;AACvBA,OAAG,GAAG+N,+BAAA,CAA4BsD,MAAM,CAAC2xC,QAAP,CAAgBC,IAA5C,EAAkDjjD,GAAlD,EAAuD;AAAEmI,qBAAe,EAAE;AAAnB,KAAvD,CAAN;AACAluB,oBAAM,CAACC,GAAP,iBAAyB8lB,GAAzB;AACA,SAAKA,GAAL,GAAWA,GAAX,CAHuB,CAIvB;;AACA,SAAKnlB,OAAL,CAAa6oB,iBAAS,CAACa,gBAAvB,EAAyC;AAAEvE,SAAG,EAAEA;AAAP,KAAzC;AACD;AAED;;;;;;;;;SAOAinB,S,GAAA,mBAAWY,aAAX,EAAuC;AAAA,QAA5BA,aAA4B;AAA5BA,mBAA4B,GAAJ,CAAC,CAAG;AAAA;;AACrC5tC,oBAAM,CAACC,GAAP,gBAAwB2tC,aAAxB;AACA,SAAKu6B,kBAAL,CAAwB/1D,OAAxB,CAAgC,UAAA62D,UAAU,EAAI;AAC5CA,gBAAU,CAACj8B,SAAX,CAAqBY,aAArB;AACD,KAFD;AAGD;AAED;;;;;SAGAX,Q,GAAA,oBAAY;AACVjtC,oBAAM,CAACC,GAAP,CAAW,UAAX;AACA,SAAKkoE,kBAAL,CAAwB/1D,OAAxB,CAAgC,UAAA62D,UAAU,EAAI;AAC5CA,gBAAU,CAACh8B,QAAX;AACD,KAFD;AAGD;AAED;;;;;SAGAwI,c,GAAA,0BAAkB;AAChBz1C,oBAAM,CAACC,GAAP,CAAW,gBAAX;AACA,SAAK6kD,gBAAL,CAAsBrP,cAAtB;AACD;AAED;;;;;;;;SAMAyzB,iB,GAAA,6BAAqB;AACnBlpE,oBAAM,CAACC,GAAP,CAAW,mBAAX;AACA,QAAI80B,KAAK,GAAG,KAAKA,KAAjB;AACA,SAAK4zC,WAAL;;AACA,QAAI5zC,KAAJ,EAAW;AACT,WAAK8zC,WAAL,CAAiB9zC,KAAjB;AACD;AACF;AAED;;;AAGA;;;;;wBACqB;AACnB,aAAO,KAAKmzC,eAAL,CAAqBj0C,MAA5B;AACD;AAED;;;;;;;wBAI4B;AAC1B,aAAO,KAAK6wB,gBAAL,CAAsBvR,YAA7B;AACD;AAED;;;;;;;sBAMkBgE,Q,EAAkB;AAClCv3C,sBAAM,CAACC,GAAP,uBAA+Bs3C,QAA/B;AACA,WAAKf,SAAL,GAAiBe,QAAjB;AACA,WAAKuN,gBAAL,CAAsBxT,oBAAtB;AACD;AAED;;;;;;;wBAIyB;AACvB,aAAO,KAAKwT,gBAAL,CAAsB5S,SAA7B;AACD;AAED;;;;;;;sBAMeqF,Q,EAAkB;AAC/Bv3C,sBAAM,CAACC,GAAP,oBAA4Bs3C,QAA5B;AACA,WAAK2wB,eAAL,CAAqBiB,WAArB,GAAmC5xB,QAAnC;AACA,WAAKuN,gBAAL,CAAsBhT,eAAtB;AACD;AAED;;;;;;;wBAIyB;AACvB,aAAO,KAAKo2B,eAAL,CAAqB94C,KAA5B;AACD;AAED;;;;;;;sBAMemoB,Q,EAAkB;AAC/Bv3C,sBAAM,CAACC,GAAP,oBAA4Bs3C,QAA5B;AACA,WAAK2wB,eAAL,CAAqBiB,WAArB,GAAmC5xB,QAAnC;AACD;AAED;;;;;;;wBAI6B;AAC3B,aAAO,KAAK2wB,eAAL,CAAqBv5B,aAA5B;AACD;AAED;;;;;;sBAKmBvf,K,EAAe;AAChC,WAAK84C,eAAL,CAAqBv5B,aAArB,GAAqCvf,KAArC;AACD;AAED;;;;;;;;wBAK0B;AACxB,aAAO5nB,IAAI,CAAC+U,GAAL,CAAS,KAAK2rD,eAAL,CAAqB/wB,UAA9B,EAA0C,KAAKiG,YAA/C,CAAP;AACD;AAED;;;;;sBAIgB7F,Q,EAAkB;AAChCv3C,sBAAM,CAACC,GAAP,qBAA6Bs3C,QAA7B;AACA,WAAK2wB,eAAL,CAAqB/wB,UAArB,GAAkCI,QAAlC;AACD;AAED;;;;;;;;;;wBAO0B;AACxB,aAAO,KAAK2wB,eAAL,CAAqBx5B,UAA5B;AACD;AAED;;;;;;;;sBAOgB6I,Q,EAAkB;AAChCv3C,sBAAM,CAACC,GAAP,qBAA6Bs3C,QAA7B,EADgC,CAEhC;;AACA,UAAIA,QAAQ,KAAK,CAAC,CAAlB,EAAqB;AACnBA,gBAAQ,GAAG/vC,IAAI,CAAC+U,GAAL,CAASg7B,QAAT,EAAmB,KAAK6F,YAAxB,CAAX;AACD;;AAED,WAAK8qB,eAAL,CAAqBx5B,UAArB,GAAkC6I,QAAlC;AACD;AAED;;;;;;;;sBAK0B6xB,kB,EAA6B;AACrD,UAAMC,uBAAuB,GAAG,CAAC,CAACD,kBAAlC;;AAEA,UAAIC,uBAAuB,KAAK,KAAK/pE,MAAL,CAAY6kD,oBAA5C,EAAkE;AAChE,YAAIklB,uBAAJ,EAA6B;AAC3B,eAAKpC,kBAAL,CAAwBxiB,YAAxB,GAD2B,CACa;AACzC,SAFD,MAEO;AACL,eAAKwiB,kBAAL,CAAwB7iB,WAAxB;AACA,eAAKH,gBAAL,GAAwB,CAAC,CAAzB;AACA,eAAKa,gBAAL,CAAsBhT,eAAtB,GAHK,CAGoC;AAC1C;;AAED,aAAKxyC,MAAL,CAAY6kD,oBAAZ,GAAmCklB,uBAAnC;AACD;AACF;AAED;;;;;;;wBAIgC;AAC9B,aAAO,KAAKpB,iBAAZ;AACD;AAED;;;;;;AASA;;;;sBAIsB1wB,Q,EAAkB;AACtCv3C,sBAAM,CAACC,GAAP,2BAAmCs3C,QAAnC;AACA,WAAK0wB,iBAAL,GAAyB1wB,QAAzB;AACD;AAED;;;;;;;wBAdiC;AAC/B,UAAMyH,WAAW,GAAG,KAAK+nB,aAAL,CAAmBtqB,YAAvC;AACA,aAAOuC,WAAW,GAAGA,WAAW,CAAC3D,WAAZ,EAAH,GAA+BiuB,GAAjD;AACD;;;wBAegC;AAC/B,aAAQ,KAAKpB,eAAL,CAAqBiB,WAArB,KAAqC,CAAC,CAA9C;AACD;AAED;;;;;;;wBAI2B;AACzB,aAAO,KAAKjB,eAAL,CAAqBiB,WAA5B;AACD;AAED;;;;;;;wBAI4B;AAAA,UAClBl1C,MADkB,GACqB,IADrB,CAClBA,MADkB;AAAA,UACAkzC,cADA,GACqB,IADrB,CACV7nE,MADU,CACA6nE,cADA;AAE1B,UAAMtiE,GAAG,GAAGovB,MAAM,GAAGA,MAAM,CAACt3B,MAAV,GAAmB,CAArC;;AAEA,WAAK,IAAIrB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGuJ,GAApB,EAAyBvJ,CAAC,EAA1B,EAA8B;AAC5B,YAAMwiD,gBAAgB,GAAG7pB,MAAM,CAAC34B,CAAD,CAAN,CAAUmiD,WAAV,GACrBj2C,IAAI,CAAC+U,GAAL,CAAS0X,MAAM,CAAC34B,CAAD,CAAN,CAAUmiD,WAAnB,EAAgCxpB,MAAM,CAAC34B,CAAD,CAAN,CAAUk5B,OAA1C,CADqB,GAErBP,MAAM,CAAC34B,CAAD,CAAN,CAAUk5B,OAFd;;AAIA,YAAIspB,gBAAgB,GAAGqpB,cAAvB,EAAuC;AACrC,iBAAO7rE,CAAP;AACD;AACF;;AAED,aAAO,CAAP;AACD;AAED;;;;;;;wBAI4B;AAAA,UAClB24B,MADkB,GACW,IADX,CAClBA,MADkB;AAAA,UACVgwB,gBADU,GACW,IADX,CACVA,gBADU;AAG1B,UAAIzF,YAAJ;;AACA,UAAIyF,gBAAgB,KAAK,CAAC,CAAtB,IAA2BhwB,MAA3B,IAAqCA,MAAM,CAACt3B,MAAhD,EAAwD;AACtD6hD,oBAAY,GAAGvqB,MAAM,CAACt3B,MAAP,GAAgB,CAA/B;AACD,OAFD,MAEO;AACL6hD,oBAAY,GAAGyF,gBAAf;AACD;;AAED,aAAOzF,YAAP;AACD;AAED;;;;;;;wBAI6B;AAC3B;AACA,aAAOh3C,IAAI,CAACC,GAAL,CAASD,IAAI,CAAC+U,GAAL,CAAS,KAAKwqD,aAAL,CAAmB/uB,aAA5B,EAA2C,KAAKoF,YAAhD,CAAT,EAAwE,KAAKoB,YAA7E,CAAP;AACD;AAED;;;;;;;;;sBAQmBtM,S,EAAmB;AACpC,WAAK60B,aAAL,CAAmB/uB,aAAnB,GAAmCxwC,IAAI,CAAC+U,GAAL,CAAS,KAAK6gC,YAAd,EAA4BlL,SAA5B,CAAnC;AACD;AAED;;;AAGA;;;;wBAC0B;AACxB,UAAMw1B,oBAAoB,GAAG,KAAKA,oBAAlC;AACA,aAAOA,oBAAoB,GAAGA,oBAAoB,CAAC1sC,WAAxB,GAAsC,EAAjE;AACD;AAED;;;;;;;wBAI0B;AACxB,UAAM0sC,oBAAoB,GAAG,KAAKA,oBAAlC;AACA,aAAOA,oBAAoB,GAAGA,oBAAoB,CAACt5D,UAAxB,GAAqC,CAAC,CAAjE;AACD;AAED;;;;;sBAIgBm7D,Y,EAAsB;AACpC,UAAM7B,oBAAoB,GAAG,KAAKA,oBAAlC;;AACA,UAAIA,oBAAJ,EAA0B;AACxBA,4BAAoB,CAACt5D,UAArB,GAAkCm7D,YAAlC;AACD;AACF;AAED;;;;;;wBAGgC;AAC9B,aAAO,KAAKzkB,gBAAL,CAAsB1U,gBAA7B;AACD;AAED;;;;AAIA;;;;wBAC6B;AAC3B,UAAMm3B,uBAAuB,GAAG,KAAKA,uBAArC;AACA,aAAOA,uBAAuB,GAAGA,uBAAuB,CAAChG,cAA3B,GAA4C,EAA1E;AACD;AAED;;;;;;;wBAI6B;AAC3B,UAAMgG,uBAAuB,GAAG,KAAKA,uBAArC;AACA,aAAOA,uBAAuB,GAAGA,uBAAuB,CAACtG,aAA3B,GAA2C,CAAC,CAA1E;AACD;AAED;;;;;sBAImBc,e,EAAyB;AAC1C,UAAMwF,uBAAuB,GAAG,KAAKA,uBAArC;;AACA,UAAIA,uBAAJ,EAA6B;AAC3BA,+BAAuB,CAACtG,aAAxB,GAAwCc,eAAxC;AACD;AACF;AAED;;;;;;wBAGgC;AAC9B,UAAMwF,uBAAuB,GAAG,KAAKA,uBAArC;AACA,aAAOA,uBAAuB,GAAGA,uBAAuB,CAAChI,eAA3B,GAA6C,KAA3E;AACD;AAED;;;;;sBAIqBlrD,K,EAAgB;AACnC,UAAMkzD,uBAAuB,GAAG,KAAKA,uBAArC;;AACA,UAAIA,uBAAJ,EAA6B;AAC3BA,+BAAuB,CAAChI,eAAxB,GAA0ClrD,KAA1C;AACD;AACF;;;;EAnoB8BkuB,Q;;AAAZslC,O,CACLE,a;;;;;;;;;;;;;AC9BhB;AAAA;AAAO,IAAMyB,cAAc,GAAG/3C,MAAM,CAACpI,QAAP,IAAmB,UAAUhV,KAAV,EAAiB;AAChE,SAAO,OAAOA,KAAP,KAAiB,QAAjB,IAA6BgV,QAAQ,CAAChV,KAAD,CAA5C;AACD,CAFM,C;;;;;;;;;;;;ACAP;AAAA;AAAO,SAASlV,YAAT,GAAyB;AAC9B;AACA,MAAI,OAAOi4B,MAAP,KAAkB,WAAtB,EAAmC;AACjC;AACA,WAAO3T,IAAP;AACD,GAHD,MAGO;AACL,WAAO2T,MAAP;AACD;AACF,C;;;;;;;;;;;;ACRD;AAAA;AAAA;AAAA;AAAA;;AAEA,SAASqyC,IAAT,GAAwB,CAAE;;AAE1B,IAAMC,UAAU,GAAG;AACjB7nD,OAAK,EAAE4nD,IADU;AAEjB53D,OAAK,EAAE43D,IAFU;AAGjBxpE,KAAG,EAAEwpE,IAHY;AAIjBz8D,MAAI,EAAEy8D,IAJW;AAKjBzkD,MAAI,EAAEykD,IALW;AAMjB/oE,OAAK,EAAE+oE;AANU,CAAnB;AASA,IAAIE,cAAc,GAAGD,UAArB,C,CAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA,SAASE,SAAT,CAAoB7oE,IAApB,EAA0BsxD,GAA1B,EAA+B;AAC7BA,KAAG,GAAG,MAAMtxD,IAAN,GAAa,MAAb,GAAsBsxD,GAA5B;AACA,SAAOA,GAAP;AACD;;AAED,IAAMnzD,MAAM,GAAGC,oEAAY,EAA3B;;AAEA,SAAS0qE,cAAT,CAAyB9oE,IAAzB,EAA+B;AAC7B,MAAM+oE,IAAI,GAAG5qE,MAAM,CAACqpB,OAAP,CAAexnB,IAAf,CAAb;;AACA,MAAI+oE,IAAJ,EAAU;AACR,WAAO,YAAmB;AAAA,wCAANC,IAAM;AAANA,YAAM;AAAA;;AACxB,UAAIA,IAAI,CAAC,CAAD,CAAR,EAAa;AACXA,YAAI,CAAC,CAAD,CAAJ,GAAUH,SAAS,CAAC7oE,IAAD,EAAOgpE,IAAI,CAAC,CAAD,CAAX,CAAnB;AACD;;AAEDD,UAAI,CAACjwD,KAAL,CAAW3a,MAAM,CAACqpB,OAAlB,EAA2BwhD,IAA3B;AACD,KAND;AAOD;;AACD,SAAON,IAAP;AACD;;AAED,SAASO,qBAAT,CAAgCC,WAAhC,EAA2D;AAAA,qCAAXC,SAAW;AAAXA,aAAW;AAAA;;AACzDA,WAAS,CAAC93D,OAAV,CAAkB,UAAUrR,IAAV,EAAgB;AAChC4oE,kBAAc,CAAC5oE,IAAD,CAAd,GAAuBkpE,WAAW,CAAClpE,IAAD,CAAX,GAAoBkpE,WAAW,CAAClpE,IAAD,CAAX,CAAkBgJ,IAAlB,CAAuBkgE,WAAvB,CAApB,GAA0DJ,cAAc,CAAC9oE,IAAD,CAA/F;AACD,GAFD;AAGD;;AAEM,IAAMujB,UAAU,GAAG,SAAbA,UAAa,CAAU2lD,WAAV,EAAuB;AAC/C;AACA,MAAK/qE,MAAM,CAACqpB,OAAP,IAAkB0hD,WAAW,KAAK,IAAnC,IAA4C,OAAOA,WAAP,KAAuB,QAAvE,EAAiF;AAC/ED,yBAAqB,CAACC,WAAD,EACnB;AACA;AACA,WAHmB,EAInB,KAJmB,EAKnB,MALmB,EAMnB,MANmB,EAOnB,OAPmB,CAArB,CAD+E,CAU/E;AACA;;AACA,QAAI;AACFN,oBAAc,CAAC1pE,GAAf;AACD,KAFD,CAEE,OAAON,CAAP,EAAU;AACVgqE,oBAAc,GAAGD,UAAjB;AACD;AACF,GAjBD,MAiBO;AACLC,kBAAc,GAAGD,UAAjB;AACD;AACF,CAtBM;AAwBA,IAAM1pE,MAAM,GAAG2pE,cAAf,C","file":"hls.js","sourcesContent":["(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"Hls\"] = factory();\n\telse\n\t\troot[\"Hls\"] = factory();\n})(this, function() {\nreturn "," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId]) {\n \t\t\treturn installedModules[moduleId].exports;\n \t\t}\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\ti: moduleId,\n \t\t\tl: false,\n \t\t\texports: {}\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, { enumerable: true, get: getter });\n \t\t}\n \t};\n\n \t// define __esModule on exports\n \t__webpack_require__.r = function(exports) {\n \t\tif(typeof Symbol !== 'undefined' && Symbol.toStringTag) {\n \t\t\tObject.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });\n \t\t}\n \t\tObject.defineProperty(exports, '__esModule', { value: true });\n \t};\n\n \t// create a fake namespace object\n \t// mode & 1: value is a module id, require it\n \t// mode & 2: merge all properties of value into the ns\n \t// mode & 4: return value when already ns object\n \t// mode & 8|1: behave like require\n \t__webpack_require__.t = function(value, mode) {\n \t\tif(mode & 1) value = __webpack_require__(value);\n \t\tif(mode & 8) return value;\n \t\tif((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;\n \t\tvar ns = Object.create(null);\n \t\t__webpack_require__.r(ns);\n \t\tObject.defineProperty(ns, 'default', { enumerable: true, value: value });\n \t\tif(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));\n \t\treturn ns;\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"/dist/\";\n\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = \"./src/hls.ts\");\n","'use strict';\n\nvar has = Object.prototype.hasOwnProperty\n , prefix = '~';\n\n/**\n * Constructor to create a storage for our `EE` objects.\n * An `Events` instance is a plain object whose properties are event names.\n *\n * @constructor\n * @private\n */\nfunction Events() {}\n\n//\n// We try to not inherit from `Object.prototype`. In some engines creating an\n// instance in this way is faster than calling `Object.create(null)` directly.\n// If `Object.create(null)` is not supported we prefix the event names with a\n// character to make sure that the built-in object properties are not\n// overridden or used as an attack vector.\n//\nif (Object.create) {\n Events.prototype = Object.create(null);\n\n //\n // This hack is needed because the `__proto__` property is still inherited in\n // some old browsers like Android 4, iPhone 5.1, Opera 11 and Safari 5.\n //\n if (!new Events().__proto__) prefix = false;\n}\n\n/**\n * Representation of a single event listener.\n *\n * @param {Function} fn The listener function.\n * @param {*} context The context to invoke the listener with.\n * @param {Boolean} [once=false] Specify if the listener is a one-time listener.\n * @constructor\n * @private\n */\nfunction EE(fn, context, once) {\n this.fn = fn;\n this.context = context;\n this.once = once || false;\n}\n\n/**\n * Add a listener for a given event.\n *\n * @param {EventEmitter} emitter Reference to the `EventEmitter` instance.\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} context The context to invoke the listener with.\n * @param {Boolean} once Specify if the listener is a one-time listener.\n * @returns {EventEmitter}\n * @private\n */\nfunction addListener(emitter, event, fn, context, once) {\n if (typeof fn !== 'function') {\n throw new TypeError('The listener must be a function');\n }\n\n var listener = new EE(fn, context || emitter, once)\n , evt = prefix ? prefix + event : event;\n\n if (!emitter._events[evt]) emitter._events[evt] = listener, emitter._eventsCount++;\n else if (!emitter._events[evt].fn) emitter._events[evt].push(listener);\n else emitter._events[evt] = [emitter._events[evt], listener];\n\n return emitter;\n}\n\n/**\n * Clear event by name.\n *\n * @param {EventEmitter} emitter Reference to the `EventEmitter` instance.\n * @param {(String|Symbol)} evt The Event name.\n * @private\n */\nfunction clearEvent(emitter, evt) {\n if (--emitter._eventsCount === 0) emitter._events = new Events();\n else delete emitter._events[evt];\n}\n\n/**\n * Minimal `EventEmitter` interface that is molded against the Node.js\n * `EventEmitter` interface.\n *\n * @constructor\n * @public\n */\nfunction EventEmitter() {\n this._events = new Events();\n this._eventsCount = 0;\n}\n\n/**\n * Return an array listing the events for which the emitter has registered\n * listeners.\n *\n * @returns {Array}\n * @public\n */\nEventEmitter.prototype.eventNames = function eventNames() {\n var names = []\n , events\n , name;\n\n if (this._eventsCount === 0) return names;\n\n for (name in (events = this._events)) {\n if (has.call(events, name)) names.push(prefix ? name.slice(1) : name);\n }\n\n if (Object.getOwnPropertySymbols) {\n return names.concat(Object.getOwnPropertySymbols(events));\n }\n\n return names;\n};\n\n/**\n * Return the listeners registered for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Array} The registered listeners.\n * @public\n */\nEventEmitter.prototype.listeners = function listeners(event) {\n var evt = prefix ? prefix + event : event\n , handlers = this._events[evt];\n\n if (!handlers) return [];\n if (handlers.fn) return [handlers.fn];\n\n for (var i = 0, l = handlers.length, ee = new Array(l); i < l; i++) {\n ee[i] = handlers[i].fn;\n }\n\n return ee;\n};\n\n/**\n * Return the number of listeners listening to a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Number} The number of listeners.\n * @public\n */\nEventEmitter.prototype.listenerCount = function listenerCount(event) {\n var evt = prefix ? prefix + event : event\n , listeners = this._events[evt];\n\n if (!listeners) return 0;\n if (listeners.fn) return 1;\n return listeners.length;\n};\n\n/**\n * Calls each of the listeners registered for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Boolean} `true` if the event had listeners, else `false`.\n * @public\n */\nEventEmitter.prototype.emit = function emit(event, a1, a2, a3, a4, a5) {\n var evt = prefix ? prefix + event : event;\n\n if (!this._events[evt]) return false;\n\n var listeners = this._events[evt]\n , len = arguments.length\n , args\n , i;\n\n if (listeners.fn) {\n if (listeners.once) this.removeListener(event, listeners.fn, undefined, true);\n\n switch (len) {\n case 1: return listeners.fn.call(listeners.context), true;\n case 2: return listeners.fn.call(listeners.context, a1), true;\n case 3: return listeners.fn.call(listeners.context, a1, a2), true;\n case 4: return listeners.fn.call(listeners.context, a1, a2, a3), true;\n case 5: return listeners.fn.call(listeners.context, a1, a2, a3, a4), true;\n case 6: return listeners.fn.call(listeners.context, a1, a2, a3, a4, a5), true;\n }\n\n for (i = 1, args = new Array(len -1); i < len; i++) {\n args[i - 1] = arguments[i];\n }\n\n listeners.fn.apply(listeners.context, args);\n } else {\n var length = listeners.length\n , j;\n\n for (i = 0; i < length; i++) {\n if (listeners[i].once) this.removeListener(event, listeners[i].fn, undefined, true);\n\n switch (len) {\n case 1: listeners[i].fn.call(listeners[i].context); break;\n case 2: listeners[i].fn.call(listeners[i].context, a1); break;\n case 3: listeners[i].fn.call(listeners[i].context, a1, a2); break;\n case 4: listeners[i].fn.call(listeners[i].context, a1, a2, a3); break;\n default:\n if (!args) for (j = 1, args = new Array(len -1); j < len; j++) {\n args[j - 1] = arguments[j];\n }\n\n listeners[i].fn.apply(listeners[i].context, args);\n }\n }\n }\n\n return true;\n};\n\n/**\n * Add a listener for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} [context=this] The context to invoke the listener with.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.on = function on(event, fn, context) {\n return addListener(this, event, fn, context, false);\n};\n\n/**\n * Add a one-time listener for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} [context=this] The context to invoke the listener with.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.once = function once(event, fn, context) {\n return addListener(this, event, fn, context, true);\n};\n\n/**\n * Remove the listeners of a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn Only remove the listeners that match this function.\n * @param {*} context Only remove the listeners that have this context.\n * @param {Boolean} once Only remove one-time listeners.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.removeListener = function removeListener(event, fn, context, once) {\n var evt = prefix ? prefix + event : event;\n\n if (!this._events[evt]) return this;\n if (!fn) {\n clearEvent(this, evt);\n return this;\n }\n\n var listeners = this._events[evt];\n\n if (listeners.fn) {\n if (\n listeners.fn === fn &&\n (!once || listeners.once) &&\n (!context || listeners.context === context)\n ) {\n clearEvent(this, evt);\n }\n } else {\n for (var i = 0, events = [], length = listeners.length; i < length; i++) {\n if (\n listeners[i].fn !== fn ||\n (once && !listeners[i].once) ||\n (context && listeners[i].context !== context)\n ) {\n events.push(listeners[i]);\n }\n }\n\n //\n // Reset the array, or remove it completely if we have no more listeners.\n //\n if (events.length) this._events[evt] = events.length === 1 ? events[0] : events;\n else clearEvent(this, evt);\n }\n\n return this;\n};\n\n/**\n * Remove all listeners, or those of the specified event.\n *\n * @param {(String|Symbol)} [event] The event name.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.removeAllListeners = function removeAllListeners(event) {\n var evt;\n\n if (event) {\n evt = prefix ? prefix + event : event;\n if (this._events[evt]) clearEvent(this, evt);\n } else {\n this._events = new Events();\n this._eventsCount = 0;\n }\n\n return this;\n};\n\n//\n// Alias methods names because people roll like that.\n//\nEventEmitter.prototype.off = EventEmitter.prototype.removeListener;\nEventEmitter.prototype.addListener = EventEmitter.prototype.on;\n\n//\n// Expose the prefix.\n//\nEventEmitter.prefixed = prefix;\n\n//\n// Allow `EventEmitter` to be imported as module namespace.\n//\nEventEmitter.EventEmitter = EventEmitter;\n\n//\n// Expose the module.\n//\nif ('undefined' !== typeof module) {\n module.exports = EventEmitter;\n}\n","// see https://tools.ietf.org/html/rfc1808\n\n/* jshint ignore:start */\n(function(root) { \n/* jshint ignore:end */\n\n var URL_REGEX = /^((?:[a-zA-Z0-9+\\-.]+:)?)(\\/\\/[^\\/?#]*)?((?:[^\\/\\?#]*\\/)*.*?)??(;.*?)?(\\?.*?)?(#.*?)?$/;\n var FIRST_SEGMENT_REGEX = /^([^\\/?#]*)(.*)$/;\n var SLASH_DOT_REGEX = /(?:\\/|^)\\.(?=\\/)/g;\n var SLASH_DOT_DOT_REGEX = /(?:\\/|^)\\.\\.\\/(?!\\.\\.\\/).*?(?=\\/)/g;\n\n var URLToolkit = { // jshint ignore:line\n // If opts.alwaysNormalize is true then the path will always be normalized even when it starts with / or //\n // E.g\n // With opts.alwaysNormalize = false (default, spec compliant)\n // http://a.com/b/cd + /e/f/../g => http://a.com/e/f/../g\n // With opts.alwaysNormalize = true (not spec compliant)\n // http://a.com/b/cd + /e/f/../g => http://a.com/e/g\n buildAbsoluteURL: function(baseURL, relativeURL, opts) {\n opts = opts || {};\n // remove any remaining space and CRLF\n baseURL = baseURL.trim();\n relativeURL = relativeURL.trim();\n if (!relativeURL) {\n // 2a) If the embedded URL is entirely empty, it inherits the\n // entire base URL (i.e., is set equal to the base URL)\n // and we are done.\n if (!opts.alwaysNormalize) {\n return baseURL;\n }\n var basePartsForNormalise = URLToolkit.parseURL(baseURL);\n if (!basePartsForNormalise) {\n throw new Error('Error trying to parse base URL.');\n }\n basePartsForNormalise.path = URLToolkit.normalizePath(basePartsForNormalise.path);\n return URLToolkit.buildURLFromParts(basePartsForNormalise);\n }\n var relativeParts = URLToolkit.parseURL(relativeURL);\n if (!relativeParts) {\n throw new Error('Error trying to parse relative URL.');\n }\n if (relativeParts.scheme) {\n // 2b) If the embedded URL starts with a scheme name, it is\n // interpreted as an absolute URL and we are done.\n if (!opts.alwaysNormalize) {\n return relativeURL;\n }\n relativeParts.path = URLToolkit.normalizePath(relativeParts.path);\n return URLToolkit.buildURLFromParts(relativeParts);\n }\n var baseParts = URLToolkit.parseURL(baseURL);\n if (!baseParts) {\n throw new Error('Error trying to parse base URL.');\n }\n if (!baseParts.netLoc && baseParts.path && baseParts.path[0] !== '/') {\n // If netLoc missing and path doesn't start with '/', assume everthing before the first '/' is the netLoc\n // This causes 'example.com/a' to be handled as '//example.com/a' instead of '/example.com/a'\n var pathParts = FIRST_SEGMENT_REGEX.exec(baseParts.path);\n baseParts.netLoc = pathParts[1];\n baseParts.path = pathParts[2];\n }\n if (baseParts.netLoc && !baseParts.path) {\n baseParts.path = '/';\n }\n var builtParts = {\n // 2c) Otherwise, the embedded URL inherits the scheme of\n // the base URL.\n scheme: baseParts.scheme,\n netLoc: relativeParts.netLoc,\n path: null,\n params: relativeParts.params,\n query: relativeParts.query,\n fragment: relativeParts.fragment\n };\n if (!relativeParts.netLoc) {\n // 3) If the embedded URL's <net_loc> is non-empty, we skip to\n // Step 7. Otherwise, the embedded URL inherits the <net_loc>\n // (if any) of the base URL.\n builtParts.netLoc = baseParts.netLoc;\n // 4) If the embedded URL path is preceded by a slash \"/\", the\n // path is not relative and we skip to Step 7.\n if (relativeParts.path[0] !== '/') {\n if (!relativeParts.path) {\n // 5) If the embedded URL path is empty (and not preceded by a\n // slash), then the embedded URL inherits the base URL path\n builtParts.path = baseParts.path;\n // 5a) if the embedded URL's <params> is non-empty, we skip to\n // step 7; otherwise, it inherits the <params> of the base\n // URL (if any) and\n if (!relativeParts.params) {\n builtParts.params = baseParts.params;\n // 5b) if the embedded URL's <query> is non-empty, we skip to\n // step 7; otherwise, it inherits the <query> of the base\n // URL (if any) and we skip to step 7.\n if (!relativeParts.query) {\n builtParts.query = baseParts.query;\n }\n }\n } else {\n // 6) The last segment of the base URL's path (anything\n // following the rightmost slash \"/\", or the entire path if no\n // slash is present) is removed and the embedded URL's path is\n // appended in its place.\n var baseURLPath = baseParts.path;\n var newPath = baseURLPath.substring(0, baseURLPath.lastIndexOf('/') + 1) + relativeParts.path;\n builtParts.path = URLToolkit.normalizePath(newPath);\n }\n }\n }\n if (builtParts.path === null) {\n builtParts.path = opts.alwaysNormalize ? URLToolkit.normalizePath(relativeParts.path) : relativeParts.path;\n }\n return URLToolkit.buildURLFromParts(builtParts);\n },\n parseURL: function(url) {\n var parts = URL_REGEX.exec(url);\n if (!parts) {\n return null;\n }\n return {\n scheme: parts[1] || '',\n netLoc: parts[2] || '',\n path: parts[3] || '',\n params: parts[4] || '',\n query: parts[5] || '',\n fragment: parts[6] || ''\n };\n },\n normalizePath: function(path) {\n // The following operations are\n // then applied, in order, to the new path:\n // 6a) All occurrences of \"./\", where \".\" is a complete path\n // segment, are removed.\n // 6b) If the path ends with \".\" as a complete path segment,\n // that \".\" is removed.\n path = path.split('').reverse().join('').replace(SLASH_DOT_REGEX, '');\n // 6c) All occurrences of \"<segment>/../\", where <segment> is a\n // complete path segment not equal to \"..\", are removed.\n // Removal of these path segments is performed iteratively,\n // removing the leftmost matching pattern on each iteration,\n // until no matching pattern remains.\n // 6d) If the path ends with \"<segment>/..\", where <segment> is a\n // complete path segment not equal to \"..\", that\n // \"<segment>/..\" is removed.\n while (path.length !== (path = path.replace(SLASH_DOT_DOT_REGEX, '')).length) {} // jshint ignore:line\n return path.split('').reverse().join('');\n },\n buildURLFromParts: function(parts) {\n return parts.scheme + parts.netLoc + parts.path + parts.params + parts.query + parts.fragment;\n }\n };\n\n/* jshint ignore:start */\n if(typeof exports === 'object' && typeof module === 'object')\n module.exports = URLToolkit;\n else if(typeof define === 'function' && define.amd)\n define([], function() { return URLToolkit; });\n else if(typeof exports === 'object')\n exports[\"URLToolkit\"] = URLToolkit;\n else\n root[\"URLToolkit\"] = URLToolkit;\n})(this);\n/* jshint ignore:end */\n","function webpackBootstrapFunc (modules) {\n/******/ // The module cache\n/******/ var installedModules = {};\n\n/******/ // The require function\n/******/ function __webpack_require__(moduleId) {\n\n/******/ // Check if module is in cache\n/******/ if(installedModules[moduleId])\n/******/ return installedModules[moduleId].exports;\n\n/******/ // Create a new module (and put it into the cache)\n/******/ var module = installedModules[moduleId] = {\n/******/ i: moduleId,\n/******/ l: false,\n/******/ exports: {}\n/******/ };\n\n/******/ // Execute the module function\n/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n/******/ // Flag the module as loaded\n/******/ module.l = true;\n\n/******/ // Return the exports of the module\n/******/ return module.exports;\n/******/ }\n\n/******/ // expose the modules object (__webpack_modules__)\n/******/ __webpack_require__.m = modules;\n\n/******/ // expose the module cache\n/******/ __webpack_require__.c = installedModules;\n\n/******/ // identity function for calling harmony imports with the correct context\n/******/ __webpack_require__.i = function(value) { return value; };\n\n/******/ // define getter function for harmony exports\n/******/ __webpack_require__.d = function(exports, name, getter) {\n/******/ if(!__webpack_require__.o(exports, name)) {\n/******/ Object.defineProperty(exports, name, {\n/******/ configurable: false,\n/******/ enumerable: true,\n/******/ get: getter\n/******/ });\n/******/ }\n/******/ };\n\n/******/ // define __esModule on exports\n/******/ __webpack_require__.r = function(exports) {\n/******/ Object.defineProperty(exports, '__esModule', { value: true });\n/******/ };\n\n/******/ // getDefaultExport function for compatibility with non-harmony modules\n/******/ __webpack_require__.n = function(module) {\n/******/ var getter = module && module.__esModule ?\n/******/ function getDefault() { return module['default']; } :\n/******/ function getModuleExports() { return module; };\n/******/ __webpack_require__.d(getter, 'a', getter);\n/******/ return getter;\n/******/ };\n\n/******/ // Object.prototype.hasOwnProperty.call\n/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n/******/ // __webpack_public_path__\n/******/ __webpack_require__.p = \"/\";\n\n/******/ // on error function for async loading\n/******/ __webpack_require__.oe = function(err) { console.error(err); throw err; };\n\n var f = __webpack_require__(__webpack_require__.s = ENTRY_MODULE)\n return f.default || f // try to call default if defined to also support babel esmodule exports\n}\n\nvar moduleNameReqExp = '[\\\\.|\\\\-|\\\\+|\\\\w|\\/|@]+'\nvar dependencyRegExp = '\\\\(\\\\s*(\\/\\\\*.*?\\\\*\\/)?\\\\s*.*?(' + moduleNameReqExp + ').*?\\\\)' // additional chars when output.pathinfo is true\n\n// http://stackoverflow.com/a/2593661/130442\nfunction quoteRegExp (str) {\n return (str + '').replace(/[.?*+^$[\\]\\\\(){}|-]/g, '\\\\$&')\n}\n\nfunction isNumeric(n) {\n return !isNaN(1 * n); // 1 * n converts integers, integers as string (\"123\"), 1e3 and \"1e3\" to integers and strings to NaN\n}\n\nfunction getModuleDependencies (sources, module, queueName) {\n var retval = {}\n retval[queueName] = []\n\n var fnString = module.toString()\n var wrapperSignature = fnString.match(/^function\\s?\\w*\\(\\w+,\\s*\\w+,\\s*(\\w+)\\)/)\n if (!wrapperSignature) return retval\n var webpackRequireName = wrapperSignature[1]\n\n // main bundle deps\n var re = new RegExp('(\\\\\\\\n|\\\\W)' + quoteRegExp(webpackRequireName) + dependencyRegExp, 'g')\n var match\n while ((match = re.exec(fnString))) {\n if (match[3] === 'dll-reference') continue\n retval[queueName].push(match[3])\n }\n\n // dll deps\n re = new RegExp('\\\\(' + quoteRegExp(webpackRequireName) + '\\\\(\"(dll-reference\\\\s(' + moduleNameReqExp + '))\"\\\\)\\\\)' + dependencyRegExp, 'g')\n while ((match = re.exec(fnString))) {\n if (!sources[match[2]]) {\n retval[queueName].push(match[1])\n sources[match[2]] = __webpack_require__(match[1]).m\n }\n retval[match[2]] = retval[match[2]] || []\n retval[match[2]].push(match[4])\n }\n\n // convert 1e3 back to 1000 - this can be important after uglify-js converted 1000 to 1e3\n var keys = Object.keys(retval);\n for (var i = 0; i < keys.length; i++) {\n for (var j = 0; j < retval[keys[i]].length; j++) {\n if (isNumeric(retval[keys[i]][j])) {\n retval[keys[i]][j] = 1 * retval[keys[i]][j];\n }\n }\n }\n\n return retval\n}\n\nfunction hasValuesInQueues (queues) {\n var keys = Object.keys(queues)\n return keys.reduce(function (hasValues, key) {\n return hasValues || queues[key].length > 0\n }, false)\n}\n\nfunction getRequiredModules (sources, moduleId) {\n var modulesQueue = {\n main: [moduleId]\n }\n var requiredModules = {\n main: []\n }\n var seenModules = {\n main: {}\n }\n\n while (hasValuesInQueues(modulesQueue)) {\n var queues = Object.keys(modulesQueue)\n for (var i = 0; i < queues.length; i++) {\n var queueName = queues[i]\n var queue = modulesQueue[queueName]\n var moduleToCheck = queue.pop()\n seenModules[queueName] = seenModules[queueName] || {}\n if (seenModules[queueName][moduleToCheck] || !sources[queueName][moduleToCheck]) continue\n seenModules[queueName][moduleToCheck] = true\n requiredModules[queueName] = requiredModules[queueName] || []\n requiredModules[queueName].push(moduleToCheck)\n var newModules = getModuleDependencies(sources, sources[queueName][moduleToCheck], queueName)\n var newModulesKeys = Object.keys(newModules)\n for (var j = 0; j < newModulesKeys.length; j++) {\n modulesQueue[newModulesKeys[j]] = modulesQueue[newModulesKeys[j]] || []\n modulesQueue[newModulesKeys[j]] = modulesQueue[newModulesKeys[j]].concat(newModules[newModulesKeys[j]])\n }\n }\n }\n\n return requiredModules\n}\n\nmodule.exports = function (moduleId, options) {\n options = options || {}\n var sources = {\n main: __webpack_modules__\n }\n\n var requiredModules = options.all ? { main: Object.keys(sources.main) } : getRequiredModules(sources, moduleId)\n\n var src = ''\n\n Object.keys(requiredModules).filter(function (m) { return m !== 'main' }).forEach(function (module) {\n var entryModule = 0\n while (requiredModules[module][entryModule]) {\n entryModule++\n }\n requiredModules[module].push(entryModule)\n sources[module][entryModule] = '(function(module, exports, __webpack_require__) { module.exports = __webpack_require__; })'\n src = src + 'var ' + module + ' = (' + webpackBootstrapFunc.toString().replace('ENTRY_MODULE', JSON.stringify(entryModule)) + ')({' + requiredModules[module].map(function (id) { return '' + JSON.stringify(id) + ': ' + sources[module][id].toString() }).join(',') + '});\\n'\n })\n\n src = src + 'new ((' + webpackBootstrapFunc.toString().replace('ENTRY_MODULE', JSON.stringify(moduleId)) + ')({' + requiredModules.main.map(function (id) { return '' + JSON.stringify(id) + ': ' + sources.main[id].toString() }).join(',') + '}))(self);'\n\n var blob = new window.Blob([src], { type: 'text/javascript' })\n if (options.bare) { return blob }\n\n var URL = window.URL || window.webkitURL || window.mozURL || window.msURL\n\n var workerUrl = URL.createObjectURL(blob)\n var worker = new window.Worker(workerUrl)\n worker.objectURL = workerUrl\n\n return worker\n}\n","export default class AESCrypto {\n constructor (subtle, iv) {\n this.subtle = subtle;\n this.aesIV = iv;\n }\n\n decrypt (data, key) {\n return this.subtle.decrypt({ name: 'AES-CBC', iv: this.aesIV }, key, data);\n }\n}\n","class FastAESKey {\n constructor (subtle, key) {\n this.subtle = subtle;\n this.key = key;\n }\n\n expandKey () {\n return this.subtle.importKey('raw', this.key, { name: 'AES-CBC' }, false, ['encrypt', 'decrypt']);\n }\n}\n\nexport default FastAESKey;\n","// PKCS7\nexport function removePadding (buffer) {\n const outputBytes = buffer.byteLength;\n const paddingBytes = outputBytes && (new DataView(buffer)).getUint8(outputBytes - 1);\n if (paddingBytes) {\n return buffer.slice(0, outputBytes - paddingBytes);\n } else {\n return buffer;\n }\n}\n\nclass AESDecryptor {\n constructor () {\n // Static after running initTable\n this.rcon = [0x0, 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36];\n this.subMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)];\n this.invSubMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)];\n this.sBox = new Uint32Array(256);\n this.invSBox = new Uint32Array(256);\n\n // Changes during runtime\n this.key = new Uint32Array(0);\n\n this.initTable();\n }\n\n // Using view.getUint32() also swaps the byte order.\n uint8ArrayToUint32Array_ (arrayBuffer) {\n let view = new DataView(arrayBuffer);\n let newArray = new Uint32Array(4);\n for (let i = 0; i < 4; i++) {\n newArray[i] = view.getUint32(i * 4);\n }\n\n return newArray;\n }\n\n initTable () {\n let sBox = this.sBox;\n let invSBox = this.invSBox;\n let subMix = this.subMix;\n let subMix0 = subMix[0];\n let subMix1 = subMix[1];\n let subMix2 = subMix[2];\n let subMix3 = subMix[3];\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let d = new Uint32Array(256);\n let x = 0;\n let xi = 0;\n let i = 0;\n for (i = 0; i < 256; i++) {\n if (i < 128) {\n d[i] = i << 1;\n } else {\n d[i] = (i << 1) ^ 0x11b;\n }\n }\n\n for (i = 0; i < 256; i++) {\n let sx = xi ^ (xi << 1) ^ (xi << 2) ^ (xi << 3) ^ (xi << 4);\n sx = (sx >>> 8) ^ (sx & 0xff) ^ 0x63;\n sBox[x] = sx;\n invSBox[sx] = x;\n\n // Compute multiplication\n let x2 = d[x];\n let x4 = d[x2];\n let x8 = d[x4];\n\n // Compute sub/invSub bytes, mix columns tables\n let t = (d[sx] * 0x101) ^ (sx * 0x1010100);\n subMix0[x] = (t << 24) | (t >>> 8);\n subMix1[x] = (t << 16) | (t >>> 16);\n subMix2[x] = (t << 8) | (t >>> 24);\n subMix3[x] = t;\n\n // Compute inv sub bytes, inv mix columns tables\n t = (x8 * 0x1010101) ^ (x4 * 0x10001) ^ (x2 * 0x101) ^ (x * 0x1010100);\n invSubMix0[sx] = (t << 24) | (t >>> 8);\n invSubMix1[sx] = (t << 16) | (t >>> 16);\n invSubMix2[sx] = (t << 8) | (t >>> 24);\n invSubMix3[sx] = t;\n\n // Compute next counter\n if (!x) {\n x = xi = 1;\n } else {\n x = x2 ^ d[d[d[x8 ^ x2]]];\n xi ^= d[d[xi]];\n }\n }\n }\n\n expandKey (keyBuffer) {\n // convert keyBuffer to Uint32Array\n let key = this.uint8ArrayToUint32Array_(keyBuffer);\n let sameKey = true;\n let offset = 0;\n\n while (offset < key.length && sameKey) {\n sameKey = (key[offset] === this.key[offset]);\n offset++;\n }\n\n if (sameKey) {\n return;\n }\n\n this.key = key;\n let keySize = this.keySize = key.length;\n\n if (keySize !== 4 && keySize !== 6 && keySize !== 8) {\n throw new Error('Invalid aes key size=' + keySize);\n }\n\n let ksRows = this.ksRows = (keySize + 6 + 1) * 4;\n let ksRow;\n let invKsRow;\n\n let keySchedule = this.keySchedule = new Uint32Array(ksRows);\n let invKeySchedule = this.invKeySchedule = new Uint32Array(ksRows);\n let sbox = this.sBox;\n let rcon = this.rcon;\n\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let prev;\n let t;\n\n for (ksRow = 0; ksRow < ksRows; ksRow++) {\n if (ksRow < keySize) {\n prev = keySchedule[ksRow] = key[ksRow];\n continue;\n }\n t = prev;\n\n if (ksRow % keySize === 0) {\n // Rot word\n t = (t << 8) | (t >>> 24);\n\n // Sub word\n t = (sbox[t >>> 24] << 24) | (sbox[(t >>> 16) & 0xff] << 16) | (sbox[(t >>> 8) & 0xff] << 8) | sbox[t & 0xff];\n\n // Mix Rcon\n t ^= rcon[(ksRow / keySize) | 0] << 24;\n } else if (keySize > 6 && ksRow % keySize === 4) {\n // Sub word\n t = (sbox[t >>> 24] << 24) | (sbox[(t >>> 16) & 0xff] << 16) | (sbox[(t >>> 8) & 0xff] << 8) | sbox[t & 0xff];\n }\n\n keySchedule[ksRow] = prev = (keySchedule[ksRow - keySize] ^ t) >>> 0;\n }\n\n for (invKsRow = 0; invKsRow < ksRows; invKsRow++) {\n ksRow = ksRows - invKsRow;\n if (invKsRow & 3) {\n t = keySchedule[ksRow];\n } else {\n t = keySchedule[ksRow - 4];\n }\n\n if (invKsRow < 4 || ksRow <= 4) {\n invKeySchedule[invKsRow] = t;\n } else {\n invKeySchedule[invKsRow] = invSubMix0[sbox[t >>> 24]] ^ invSubMix1[sbox[(t >>> 16) & 0xff]] ^ invSubMix2[sbox[(t >>> 8) & 0xff]] ^ invSubMix3[sbox[t & 0xff]];\n }\n\n invKeySchedule[invKsRow] = invKeySchedule[invKsRow] >>> 0;\n }\n }\n\n // Adding this as a method greatly improves performance.\n networkToHostOrderSwap (word) {\n return (word << 24) | ((word & 0xff00) << 8) | ((word & 0xff0000) >> 8) | (word >>> 24);\n }\n\n decrypt (inputArrayBuffer, offset, aesIV, removePKCS7Padding) {\n let nRounds = this.keySize + 6;\n let invKeySchedule = this.invKeySchedule;\n let invSBOX = this.invSBox;\n\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let initVector = this.uint8ArrayToUint32Array_(aesIV);\n let initVector0 = initVector[0];\n let initVector1 = initVector[1];\n let initVector2 = initVector[2];\n let initVector3 = initVector[3];\n\n let inputInt32 = new Int32Array(inputArrayBuffer);\n let outputInt32 = new Int32Array(inputInt32.length);\n\n let t0, t1, t2, t3;\n let s0, s1, s2, s3;\n let inputWords0, inputWords1, inputWords2, inputWords3;\n\n let ksRow, i;\n let swapWord = this.networkToHostOrderSwap;\n\n while (offset < inputInt32.length) {\n inputWords0 = swapWord(inputInt32[offset]);\n inputWords1 = swapWord(inputInt32[offset + 1]);\n inputWords2 = swapWord(inputInt32[offset + 2]);\n inputWords3 = swapWord(inputInt32[offset + 3]);\n\n s0 = inputWords0 ^ invKeySchedule[0];\n s1 = inputWords3 ^ invKeySchedule[1];\n s2 = inputWords2 ^ invKeySchedule[2];\n s3 = inputWords1 ^ invKeySchedule[3];\n\n ksRow = 4;\n\n // Iterate through the rounds of decryption\n for (i = 1; i < nRounds; i++) {\n t0 = invSubMix0[s0 >>> 24] ^ invSubMix1[(s1 >> 16) & 0xff] ^ invSubMix2[(s2 >> 8) & 0xff] ^ invSubMix3[s3 & 0xff] ^ invKeySchedule[ksRow];\n t1 = invSubMix0[s1 >>> 24] ^ invSubMix1[(s2 >> 16) & 0xff] ^ invSubMix2[(s3 >> 8) & 0xff] ^ invSubMix3[s0 & 0xff] ^ invKeySchedule[ksRow + 1];\n t2 = invSubMix0[s2 >>> 24] ^ invSubMix1[(s3 >> 16) & 0xff] ^ invSubMix2[(s0 >> 8) & 0xff] ^ invSubMix3[s1 & 0xff] ^ invKeySchedule[ksRow + 2];\n t3 = invSubMix0[s3 >>> 24] ^ invSubMix1[(s0 >> 16) & 0xff] ^ invSubMix2[(s1 >> 8) & 0xff] ^ invSubMix3[s2 & 0xff] ^ invKeySchedule[ksRow + 3];\n // Update state\n s0 = t0;\n s1 = t1;\n s2 = t2;\n s3 = t3;\n\n ksRow = ksRow + 4;\n }\n\n // Shift rows, sub bytes, add round key\n t0 = ((invSBOX[s0 >>> 24] << 24) ^ (invSBOX[(s1 >> 16) & 0xff] << 16) ^ (invSBOX[(s2 >> 8) & 0xff] << 8) ^ invSBOX[s3 & 0xff]) ^ invKeySchedule[ksRow];\n t1 = ((invSBOX[s1 >>> 24] << 24) ^ (invSBOX[(s2 >> 16) & 0xff] << 16) ^ (invSBOX[(s3 >> 8) & 0xff] << 8) ^ invSBOX[s0 & 0xff]) ^ invKeySchedule[ksRow + 1];\n t2 = ((invSBOX[s2 >>> 24] << 24) ^ (invSBOX[(s3 >> 16) & 0xff] << 16) ^ (invSBOX[(s0 >> 8) & 0xff] << 8) ^ invSBOX[s1 & 0xff]) ^ invKeySchedule[ksRow + 2];\n t3 = ((invSBOX[s3 >>> 24] << 24) ^ (invSBOX[(s0 >> 16) & 0xff] << 16) ^ (invSBOX[(s1 >> 8) & 0xff] << 8) ^ invSBOX[s2 & 0xff]) ^ invKeySchedule[ksRow + 3];\n ksRow = ksRow + 3;\n\n // Write\n outputInt32[offset] = swapWord(t0 ^ initVector0);\n outputInt32[offset + 1] = swapWord(t3 ^ initVector1);\n outputInt32[offset + 2] = swapWord(t2 ^ initVector2);\n outputInt32[offset + 3] = swapWord(t1 ^ initVector3);\n\n // reset initVector to last 4 unsigned int\n initVector0 = inputWords0;\n initVector1 = inputWords1;\n initVector2 = inputWords2;\n initVector3 = inputWords3;\n\n offset = offset + 4;\n }\n\n return removePKCS7Padding ? removePadding(outputInt32.buffer) : outputInt32.buffer;\n }\n\n destroy () {\n this.key = undefined;\n this.keySize = undefined;\n this.ksRows = undefined;\n\n this.sBox = undefined;\n this.invSBox = undefined;\n this.subMix = undefined;\n this.invSubMix = undefined;\n this.keySchedule = undefined;\n this.invKeySchedule = undefined;\n\n this.rcon = undefined;\n }\n}\n\nexport default AESDecryptor;\n","import AESCrypto from './aes-crypto';\nimport FastAESKey from './fast-aes-key';\nimport AESDecryptor from './aes-decryptor';\n\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\n\nimport Event from '../events';\n\nimport { getSelfScope } from '../utils/get-self-scope';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n\nclass Decrypter {\n constructor (observer, config, { removePKCS7Padding = true } = {}) {\n this.logEnabled = true;\n this.observer = observer;\n this.config = config;\n this.removePKCS7Padding = removePKCS7Padding;\n // built in decryptor expects PKCS7 padding\n if (removePKCS7Padding) {\n try {\n const browserCrypto = global.crypto;\n if (browserCrypto) {\n this.subtle = browserCrypto.subtle || browserCrypto.webkitSubtle;\n }\n } catch (e) {}\n }\n this.disableWebCrypto = !this.subtle;\n }\n\n isSync () {\n return (this.disableWebCrypto && this.config.enableSoftwareAES);\n }\n\n decrypt (data, key, iv, callback) {\n if (this.disableWebCrypto && this.config.enableSoftwareAES) {\n if (this.logEnabled) {\n logger.log('JS AES decrypt');\n this.logEnabled = false;\n }\n let decryptor = this.decryptor;\n if (!decryptor) {\n this.decryptor = decryptor = new AESDecryptor();\n }\n\n decryptor.expandKey(key);\n callback(decryptor.decrypt(data, 0, iv, this.removePKCS7Padding));\n } else {\n if (this.logEnabled) {\n logger.log('WebCrypto AES decrypt');\n this.logEnabled = false;\n }\n const subtle = this.subtle;\n if (this.key !== key) {\n this.key = key;\n this.fastAesKey = new FastAESKey(subtle, key);\n }\n\n this.fastAesKey.expandKey()\n .then((aesKey) => {\n // decrypt using web crypto\n let crypto = new AESCrypto(subtle, iv);\n crypto.decrypt(data, aesKey)\n .catch((err) => {\n this.onWebCryptoError(err, data, key, iv, callback);\n })\n .then((result) => {\n callback(result);\n });\n })\n .catch((err) => {\n this.onWebCryptoError(err, data, key, iv, callback);\n });\n }\n }\n\n onWebCryptoError (err, data, key, iv, callback) {\n if (this.config.enableSoftwareAES) {\n logger.log('WebCrypto Error, disable WebCrypto API');\n this.disableWebCrypto = true;\n this.logEnabled = true;\n this.decrypt(data, key, iv, callback);\n } else {\n logger.error(`decrypting error : ${err.message}`);\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_DECRYPT_ERROR, fatal: true, reason: err.message });\n }\n }\n\n destroy () {\n let decryptor = this.decryptor;\n if (decryptor) {\n decryptor.destroy();\n this.decryptor = undefined;\n }\n }\n}\n\nexport default Decrypter;\n","/**\n * ADTS parser helper\n * @link https://wiki.multimedia.cx/index.php?title=ADTS\n */\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\nimport Event from '../events';\n\nimport { getSelfScope } from '../utils/get-self-scope';\n\nexport function getAudioConfig (observer, data, offset, audioCodec) {\n let adtsObjectType, // :int\n adtsSampleingIndex, // :int\n adtsExtensionSampleingIndex, // :int\n adtsChanelConfig, // :int\n config,\n userAgent = navigator.userAgent.toLowerCase(),\n manifestCodec = audioCodec,\n adtsSampleingRates = [\n 96000, 88200,\n 64000, 48000,\n 44100, 32000,\n 24000, 22050,\n 16000, 12000,\n 11025, 8000,\n 7350];\n // byte 2\n adtsObjectType = ((data[offset + 2] & 0xC0) >>> 6) + 1;\n adtsSampleingIndex = ((data[offset + 2] & 0x3C) >>> 2);\n if (adtsSampleingIndex > adtsSampleingRates.length - 1) {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: true, reason: `invalid ADTS sampling index:${adtsSampleingIndex}` });\n return;\n }\n adtsChanelConfig = ((data[offset + 2] & 0x01) << 2);\n // byte 3\n adtsChanelConfig |= ((data[offset + 3] & 0xC0) >>> 6);\n logger.log(`manifest codec:${audioCodec},ADTS data:type:${adtsObjectType},sampleingIndex:${adtsSampleingIndex}[${adtsSampleingRates[adtsSampleingIndex]}Hz],channelConfig:${adtsChanelConfig}`);\n // firefox: freq less than 24kHz = AAC SBR (HE-AAC)\n if (/firefox/i.test(userAgent)) {\n if (adtsSampleingIndex >= 6) {\n adtsObjectType = 5;\n config = new Array(4);\n // HE-AAC uses SBR (Spectral Band Replication) , high frequencies are constructed from low frequencies\n // there is a factor 2 between frame sample rate and output sample rate\n // multiply frequency by 2 (see table below, equivalent to substract 3)\n adtsExtensionSampleingIndex = adtsSampleingIndex - 3;\n } else {\n adtsObjectType = 2;\n config = new Array(2);\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n }\n // Android : always use AAC\n } else if (userAgent.indexOf('android') !== -1) {\n adtsObjectType = 2;\n config = new Array(2);\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n } else {\n /* for other browsers (Chrome/Vivaldi/Opera ...)\n always force audio type to be HE-AAC SBR, as some browsers do not support audio codec switch properly (like Chrome ...)\n */\n adtsObjectType = 5;\n config = new Array(4);\n // if (manifest codec is HE-AAC or HE-AACv2) OR (manifest codec not specified AND frequency less than 24kHz)\n if ((audioCodec && ((audioCodec.indexOf('mp4a.40.29') !== -1) ||\n (audioCodec.indexOf('mp4a.40.5') !== -1))) ||\n (!audioCodec && adtsSampleingIndex >= 6)) {\n // HE-AAC uses SBR (Spectral Band Replication) , high frequencies are constructed from low frequencies\n // there is a factor 2 between frame sample rate and output sample rate\n // multiply frequency by 2 (see table below, equivalent to substract 3)\n adtsExtensionSampleingIndex = adtsSampleingIndex - 3;\n } else {\n // if (manifest codec is AAC) AND (frequency less than 24kHz AND nb channel is 1) OR (manifest codec not specified and mono audio)\n // Chrome fails to play back with low frequency AAC LC mono when initialized with HE-AAC. This is not a problem with stereo.\n if (audioCodec && audioCodec.indexOf('mp4a.40.2') !== -1 && ((adtsSampleingIndex >= 6 && adtsChanelConfig === 1) ||\n /vivaldi/i.test(userAgent)) ||\n (!audioCodec && adtsChanelConfig === 1)) {\n adtsObjectType = 2;\n config = new Array(2);\n }\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n }\n }\n /* refer to http://wiki.multimedia.cx/index.php?title=MPEG-4_Audio#Audio_Specific_Config\n ISO 14496-3 (AAC).pdf - Table 1.13 — Syntax of AudioSpecificConfig()\n Audio Profile / Audio Object Type\n 0: Null\n 1: AAC Main\n 2: AAC LC (Low Complexity)\n 3: AAC SSR (Scalable Sample Rate)\n 4: AAC LTP (Long Term Prediction)\n 5: SBR (Spectral Band Replication)\n 6: AAC Scalable\n sampling freq\n 0: 96000 Hz\n 1: 88200 Hz\n 2: 64000 Hz\n 3: 48000 Hz\n 4: 44100 Hz\n 5: 32000 Hz\n 6: 24000 Hz\n 7: 22050 Hz\n 8: 16000 Hz\n 9: 12000 Hz\n 10: 11025 Hz\n 11: 8000 Hz\n 12: 7350 Hz\n 13: Reserved\n 14: Reserved\n 15: frequency is written explictly\n Channel Configurations\n These are the channel configurations:\n 0: Defined in AOT Specifc Config\n 1: 1 channel: front-center\n 2: 2 channels: front-left, front-right\n */\n // audioObjectType = profile => profile, the MPEG-4 Audio Object Type minus 1\n config[0] = adtsObjectType << 3;\n // samplingFrequencyIndex\n config[0] |= (adtsSampleingIndex & 0x0E) >> 1;\n config[1] |= (adtsSampleingIndex & 0x01) << 7;\n // channelConfiguration\n config[1] |= adtsChanelConfig << 3;\n if (adtsObjectType === 5) {\n // adtsExtensionSampleingIndex\n config[1] |= (adtsExtensionSampleingIndex & 0x0E) >> 1;\n config[2] = (adtsExtensionSampleingIndex & 0x01) << 7;\n // adtsObjectType (force to 2, chrome is checking that object type is less than 5 ???\n // https://chromium.googlesource.com/chromium/src.git/+/master/media/formats/mp4/aac.cc\n config[2] |= 2 << 2;\n config[3] = 0;\n }\n return { config: config, samplerate: adtsSampleingRates[adtsSampleingIndex], channelCount: adtsChanelConfig, codec: ('mp4a.40.' + adtsObjectType), manifestCodec: manifestCodec };\n}\n\nexport function isHeaderPattern (data, offset) {\n return data[offset] === 0xff && (data[offset + 1] & 0xf6) === 0xf0;\n}\n\nexport function getHeaderLength (data, offset) {\n return (data[offset + 1] & 0x01 ? 7 : 9);\n}\n\nexport function getFullFrameLength (data, offset) {\n return ((data[offset + 3] & 0x03) << 11) |\n (data[offset + 4] << 3) |\n ((data[offset + 5] & 0xE0) >>> 5);\n}\n\nexport function isHeader (data, offset) {\n // Look for ADTS header | 1111 1111 | 1111 X00X | where X can be either 0 or 1\n // Layer bits (position 14 and 15) in header should be always 0 for ADTS\n // More info https://wiki.multimedia.cx/index.php?title=ADTS\n if (offset + 1 < data.length && isHeaderPattern(data, offset)) {\n return true;\n }\n\n return false;\n}\n\nexport function probe (data, offset) {\n // same as isHeader but we also check that ADTS frame follows last ADTS frame\n // or end of data is reached\n if (isHeader(data, offset)) {\n // ADTS header Length\n let headerLength = getHeaderLength(data, offset);\n // ADTS frame Length\n let frameLength = headerLength;\n if (offset + 5 < data.length) {\n frameLength = getFullFrameLength(data, offset);\n }\n\n let newOffset = offset + frameLength;\n if (newOffset === data.length || (newOffset + 1 < data.length && isHeaderPattern(data, newOffset))) {\n return true;\n }\n }\n return false;\n}\n\nexport function initTrackConfig (track, observer, data, offset, audioCodec) {\n if (!track.samplerate) {\n let config = getAudioConfig(observer, data, offset, audioCodec);\n track.config = config.config;\n track.samplerate = config.samplerate;\n track.channelCount = config.channelCount;\n track.codec = config.codec;\n track.manifestCodec = config.manifestCodec;\n logger.log(`parsed codec:${track.codec},rate:${config.samplerate},nb channel:${config.channelCount}`);\n }\n}\n\nexport function getFrameDuration (samplerate) {\n return 1024 * 90000 / samplerate;\n}\n\nexport function parseFrameHeader (data, offset, pts, frameIndex, frameDuration) {\n let headerLength, frameLength, stamp;\n let length = data.length;\n\n // The protection skip bit tells us if we have 2 bytes of CRC data at the end of the ADTS header\n headerLength = getHeaderLength(data, offset);\n // retrieve frame size\n frameLength = getFullFrameLength(data, offset);\n frameLength -= headerLength;\n\n if ((frameLength > 0) && ((offset + headerLength + frameLength) <= length)) {\n stamp = pts + frameIndex * frameDuration;\n // logger.log(`AAC frame, offset/length/total/pts:${offset+headerLength}/${frameLength}/${data.byteLength}/${(stamp/90).toFixed(0)}`);\n return { headerLength, frameLength, stamp };\n }\n\n return undefined;\n}\n\nexport function appendFrame (track, data, offset, pts, frameIndex) {\n let frameDuration = getFrameDuration(track.samplerate);\n let header = parseFrameHeader(data, offset, pts, frameIndex, frameDuration);\n if (header) {\n let stamp = header.stamp;\n let headerLength = header.headerLength;\n let frameLength = header.frameLength;\n\n // logger.log(`AAC frame, offset/length/total/pts:${offset+headerLength}/${frameLength}/${data.byteLength}/${(stamp/90).toFixed(0)}`);\n let aacSample = {\n unit: data.subarray(offset + headerLength, offset + headerLength + frameLength),\n pts: stamp,\n dts: stamp\n };\n\n track.samples.push(aacSample);\n return { sample: aacSample, length: frameLength + headerLength };\n }\n\n return undefined;\n}\n","/**\n * AAC demuxer\n */\nimport * as ADTS from './adts';\nimport { logger } from '../utils/logger';\nimport ID3 from '../demux/id3';\n\nclass AACDemuxer {\n constructor (observer, remuxer, config) {\n this.observer = observer;\n this.config = config;\n this.remuxer = remuxer;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this._audioTrack = { container: 'audio/adts', type: 'audio', id: 0, sequenceNumber: 0, isAAC: true, samples: [], len: 0, manifestCodec: audioCodec, duration: duration, inputTimeScale: 90000 };\n }\n\n resetTimeStamp () {\n }\n\n static probe (data) {\n if (!data) {\n return false;\n }\n\n // Check for the ADTS sync word\n // Look for ADTS header | 1111 1111 | 1111 X00X | where X can be either 0 or 1\n // Layer bits (position 14 and 15) in header should be always 0 for ADTS\n // More info https://wiki.multimedia.cx/index.php?title=ADTS\n const id3Data = ID3.getID3Data(data, 0) || [];\n let offset = id3Data.length;\n\n for (let length = data.length; offset < length; offset++) {\n if (ADTS.probe(data, offset)) {\n logger.log('ADTS sync word found !');\n return true;\n }\n }\n return false;\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let track = this._audioTrack;\n let id3Data = ID3.getID3Data(data, 0) || [];\n let timestamp = ID3.getTimeStamp(id3Data);\n let pts = Number.isFinite(timestamp) ? timestamp * 90 : timeOffset * 90000;\n let frameIndex = 0;\n let stamp = pts;\n let length = data.length;\n let offset = id3Data.length;\n\n let id3Samples = [{ pts: stamp, dts: stamp, data: id3Data }];\n\n while (offset < length - 1) {\n if (ADTS.isHeader(data, offset) && (offset + 5) < length) {\n ADTS.initTrackConfig(track, this.observer, data, offset, track.manifestCodec);\n let frame = ADTS.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n } else {\n logger.log('Unable to parse AAC frame');\n break;\n }\n } else if (ID3.isHeader(data, offset)) {\n id3Data = ID3.getID3Data(data, offset);\n id3Samples.push({ pts: stamp, dts: stamp, data: id3Data });\n offset += id3Data.length;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n this.remuxer.remux(track,\n { samples: [] },\n { samples: id3Samples, inputTimeScale: 90000 },\n { samples: [] },\n timeOffset,\n contiguous,\n accurateTimeOffset);\n }\n\n destroy () {\n }\n}\n\nexport default AACDemuxer;\n","/**\n * MPEG parser helper\n */\n\nconst MpegAudio = {\n\n BitratesMap: [\n 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448,\n 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384,\n 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320,\n 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256,\n 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160],\n\n SamplingRateMap: [44100, 48000, 32000, 22050, 24000, 16000, 11025, 12000, 8000],\n\n SamplesCoefficients: [\n // MPEG 2.5\n [\n 0, // Reserved\n 72, // Layer3\n 144, // Layer2\n 12 // Layer1\n ],\n // Reserved\n [\n 0, // Reserved\n 0, // Layer3\n 0, // Layer2\n 0 // Layer1\n ],\n // MPEG 2\n [\n 0, // Reserved\n 72, // Layer3\n 144, // Layer2\n 12 // Layer1\n ],\n // MPEG 1\n [\n 0, // Reserved\n 144, // Layer3\n 144, // Layer2\n 12 // Layer1\n ]\n ],\n\n BytesInSlot: [\n 0, // Reserved\n 1, // Layer3\n 1, // Layer2\n 4 // Layer1\n ],\n\n appendFrame: function (track, data, offset, pts, frameIndex) {\n // Using http://www.datavoyage.com/mpgscript/mpeghdr.htm as a reference\n if (offset + 24 > data.length) {\n return undefined;\n }\n\n let header = this.parseHeader(data, offset);\n if (header && offset + header.frameLength <= data.length) {\n let frameDuration = header.samplesPerFrame * 90000 / header.sampleRate;\n let stamp = pts + frameIndex * frameDuration;\n let sample = { unit: data.subarray(offset, offset + header.frameLength), pts: stamp, dts: stamp };\n\n track.config = [];\n track.channelCount = header.channelCount;\n track.samplerate = header.sampleRate;\n track.samples.push(sample);\n\n return { sample, length: header.frameLength };\n }\n\n return undefined;\n },\n\n parseHeader: function (data, offset) {\n let headerB = (data[offset + 1] >> 3) & 3;\n let headerC = (data[offset + 1] >> 1) & 3;\n let headerE = (data[offset + 2] >> 4) & 15;\n let headerF = (data[offset + 2] >> 2) & 3;\n let headerG = (data[offset + 2] >> 1) & 1;\n if (headerB !== 1 && headerE !== 0 && headerE !== 15 && headerF !== 3) {\n let columnInBitrates = headerB === 3 ? (3 - headerC) : (headerC === 3 ? 3 : 4);\n let bitRate = MpegAudio.BitratesMap[columnInBitrates * 14 + headerE - 1] * 1000;\n let columnInSampleRates = headerB === 3 ? 0 : headerB === 2 ? 1 : 2;\n let sampleRate = MpegAudio.SamplingRateMap[columnInSampleRates * 3 + headerF];\n let channelCount = data[offset + 3] >> 6 === 3 ? 1 : 2; // If bits of channel mode are `11` then it is a single channel (Mono)\n let sampleCoefficient = MpegAudio.SamplesCoefficients[headerB][headerC];\n let bytesInSlot = MpegAudio.BytesInSlot[headerC];\n let samplesPerFrame = sampleCoefficient * 8 * bytesInSlot;\n let frameLength = parseInt(sampleCoefficient * bitRate / sampleRate + headerG, 10) * bytesInSlot;\n\n return { sampleRate, channelCount, frameLength, samplesPerFrame };\n }\n\n return undefined;\n },\n\n isHeaderPattern: function (data, offset) {\n return data[offset] === 0xff && (data[offset + 1] & 0xe0) === 0xe0 && (data[offset + 1] & 0x06) !== 0x00;\n },\n\n isHeader: function (data, offset) {\n // Look for MPEG header | 1111 1111 | 111X XYZX | where X can be either 0 or 1 and Y or Z should be 1\n // Layer bits (position 14 and 15) in header should be always different from 0 (Layer I or Layer II or Layer III)\n // More info http://www.mp3-tech.org/programmer/frame_header.html\n if (offset + 1 < data.length && this.isHeaderPattern(data, offset)) {\n return true;\n }\n\n return false;\n },\n\n probe: function (data, offset) {\n // same as isHeader but we also check that MPEG frame follows last MPEG frame\n // or end of data is reached\n if (offset + 1 < data.length && this.isHeaderPattern(data, offset)) {\n // MPEG header Length\n let headerLength = 4;\n // MPEG frame Length\n let header = this.parseHeader(data, offset);\n let frameLength = headerLength;\n if (header && header.frameLength) {\n frameLength = header.frameLength;\n }\n\n let newOffset = offset + frameLength;\n if (newOffset === data.length || (newOffset + 1 < data.length && this.isHeaderPattern(data, newOffset))) {\n return true;\n }\n }\n return false;\n }\n};\n\nexport default MpegAudio;\n","/**\n * Parser for exponential Golomb codes, a variable-bitwidth number encoding scheme used by h264.\n*/\n\nimport { logger } from '../utils/logger';\n\nclass ExpGolomb {\n constructor (data) {\n this.data = data;\n // the number of bytes left to examine in this.data\n this.bytesAvailable = data.byteLength;\n // the current word being examined\n this.word = 0; // :uint\n // the number of bits left to examine in the current word\n this.bitsAvailable = 0; // :uint\n }\n\n // ():void\n loadWord () {\n let\n data = this.data,\n bytesAvailable = this.bytesAvailable,\n position = data.byteLength - bytesAvailable,\n workingBytes = new Uint8Array(4),\n availableBytes = Math.min(4, bytesAvailable);\n if (availableBytes === 0) {\n throw new Error('no bytes available');\n }\n\n workingBytes.set(data.subarray(position, position + availableBytes));\n this.word = new DataView(workingBytes.buffer).getUint32(0);\n // track the amount of this.data that has been processed\n this.bitsAvailable = availableBytes * 8;\n this.bytesAvailable -= availableBytes;\n }\n\n // (count:int):void\n skipBits (count) {\n let skipBytes; // :int\n if (this.bitsAvailable > count) {\n this.word <<= count;\n this.bitsAvailable -= count;\n } else {\n count -= this.bitsAvailable;\n skipBytes = count >> 3;\n count -= (skipBytes >> 3);\n this.bytesAvailable -= skipBytes;\n this.loadWord();\n this.word <<= count;\n this.bitsAvailable -= count;\n }\n }\n\n // (size:int):uint\n readBits (size) {\n let\n bits = Math.min(this.bitsAvailable, size), // :uint\n valu = this.word >>> (32 - bits); // :uint\n if (size > 32) {\n logger.error('Cannot read more than 32 bits at a time');\n }\n\n this.bitsAvailable -= bits;\n if (this.bitsAvailable > 0) {\n this.word <<= bits;\n } else if (this.bytesAvailable > 0) {\n this.loadWord();\n }\n\n bits = size - bits;\n if (bits > 0 && this.bitsAvailable) {\n return valu << bits | this.readBits(bits);\n } else {\n return valu;\n }\n }\n\n // ():uint\n skipLZ () {\n let leadingZeroCount; // :uint\n for (leadingZeroCount = 0; leadingZeroCount < this.bitsAvailable; ++leadingZeroCount) {\n if ((this.word & (0x80000000 >>> leadingZeroCount)) !== 0) {\n // the first bit of working word is 1\n this.word <<= leadingZeroCount;\n this.bitsAvailable -= leadingZeroCount;\n return leadingZeroCount;\n }\n }\n // we exhausted word and still have not found a 1\n this.loadWord();\n return leadingZeroCount + this.skipLZ();\n }\n\n // ():void\n skipUEG () {\n this.skipBits(1 + this.skipLZ());\n }\n\n // ():void\n skipEG () {\n this.skipBits(1 + this.skipLZ());\n }\n\n // ():uint\n readUEG () {\n let clz = this.skipLZ(); // :uint\n return this.readBits(clz + 1) - 1;\n }\n\n // ():int\n readEG () {\n let valu = this.readUEG(); // :int\n if (0x01 & valu) {\n // the number is odd if the low order bit is set\n return (1 + valu) >>> 1; // add 1 to make it even, and divide by 2\n } else {\n return -1 * (valu >>> 1); // divide by two then make it negative\n }\n }\n\n // Some convenience functions\n // :Boolean\n readBoolean () {\n return this.readBits(1) === 1;\n }\n\n // ():int\n readUByte () {\n return this.readBits(8);\n }\n\n // ():int\n readUShort () {\n return this.readBits(16);\n }\n // ():int\n readUInt () {\n return this.readBits(32);\n }\n\n /**\n * Advance the ExpGolomb decoder past a scaling list. The scaling\n * list is optionally transmitted as part of a sequence parameter\n * set and is not relevant to transmuxing.\n * @param count {number} the number of entries in this scaling list\n * @see Recommendation ITU-T H.264, Section 7.3.2.1.1.1\n */\n skipScalingList (count) {\n let\n lastScale = 8,\n nextScale = 8,\n j,\n deltaScale;\n for (j = 0; j < count; j++) {\n if (nextScale !== 0) {\n deltaScale = this.readEG();\n nextScale = (lastScale + deltaScale + 256) % 256;\n }\n lastScale = (nextScale === 0) ? lastScale : nextScale;\n }\n }\n\n /**\n * Read a sequence parameter set and return some interesting video\n * properties. A sequence parameter set is the H264 metadata that\n * describes the properties of upcoming video frames.\n * @param data {Uint8Array} the bytes of a sequence parameter set\n * @return {object} an object with configuration parsed from the\n * sequence parameter set, including the dimensions of the\n * associated video frames.\n */\n readSPS () {\n let\n frameCropLeftOffset = 0,\n frameCropRightOffset = 0,\n frameCropTopOffset = 0,\n frameCropBottomOffset = 0,\n profileIdc, profileCompat, levelIdc,\n numRefFramesInPicOrderCntCycle, picWidthInMbsMinus1,\n picHeightInMapUnitsMinus1,\n frameMbsOnlyFlag,\n scalingListCount,\n i,\n readUByte = this.readUByte.bind(this),\n readBits = this.readBits.bind(this),\n readUEG = this.readUEG.bind(this),\n readBoolean = this.readBoolean.bind(this),\n skipBits = this.skipBits.bind(this),\n skipEG = this.skipEG.bind(this),\n skipUEG = this.skipUEG.bind(this),\n skipScalingList = this.skipScalingList.bind(this);\n\n readUByte();\n profileIdc = readUByte(); // profile_idc\n profileCompat = readBits(5); // constraint_set[0-4]_flag, u(5)\n skipBits(3); // reserved_zero_3bits u(3),\n levelIdc = readUByte(); // level_idc u(8)\n skipUEG(); // seq_parameter_set_id\n // some profiles have more optional data we don't need\n if (profileIdc === 100 ||\n profileIdc === 110 ||\n profileIdc === 122 ||\n profileIdc === 244 ||\n profileIdc === 44 ||\n profileIdc === 83 ||\n profileIdc === 86 ||\n profileIdc === 118 ||\n profileIdc === 128) {\n let chromaFormatIdc = readUEG();\n if (chromaFormatIdc === 3) {\n skipBits(1);\n } // separate_colour_plane_flag\n\n skipUEG(); // bit_depth_luma_minus8\n skipUEG(); // bit_depth_chroma_minus8\n skipBits(1); // qpprime_y_zero_transform_bypass_flag\n if (readBoolean()) { // seq_scaling_matrix_present_flag\n scalingListCount = (chromaFormatIdc !== 3) ? 8 : 12;\n for (i = 0; i < scalingListCount; i++) {\n if (readBoolean()) { // seq_scaling_list_present_flag[ i ]\n if (i < 6) {\n skipScalingList(16);\n } else {\n skipScalingList(64);\n }\n }\n }\n }\n }\n skipUEG(); // log2_max_frame_num_minus4\n let picOrderCntType = readUEG();\n if (picOrderCntType === 0) {\n readUEG(); // log2_max_pic_order_cnt_lsb_minus4\n } else if (picOrderCntType === 1) {\n skipBits(1); // delta_pic_order_always_zero_flag\n skipEG(); // offset_for_non_ref_pic\n skipEG(); // offset_for_top_to_bottom_field\n numRefFramesInPicOrderCntCycle = readUEG();\n for (i = 0; i < numRefFramesInPicOrderCntCycle; i++) {\n skipEG();\n } // offset_for_ref_frame[ i ]\n }\n skipUEG(); // max_num_ref_frames\n skipBits(1); // gaps_in_frame_num_value_allowed_flag\n picWidthInMbsMinus1 = readUEG();\n picHeightInMapUnitsMinus1 = readUEG();\n frameMbsOnlyFlag = readBits(1);\n if (frameMbsOnlyFlag === 0) {\n skipBits(1);\n } // mb_adaptive_frame_field_flag\n\n skipBits(1); // direct_8x8_inference_flag\n if (readBoolean()) { // frame_cropping_flag\n frameCropLeftOffset = readUEG();\n frameCropRightOffset = readUEG();\n frameCropTopOffset = readUEG();\n frameCropBottomOffset = readUEG();\n }\n let pixelRatio = [1, 1];\n if (readBoolean()) {\n // vui_parameters_present_flag\n if (readBoolean()) {\n // aspect_ratio_info_present_flag\n const aspectRatioIdc = readUByte();\n switch (aspectRatioIdc) {\n case 1: pixelRatio = [1, 1]; break;\n case 2: pixelRatio = [12, 11]; break;\n case 3: pixelRatio = [10, 11]; break;\n case 4: pixelRatio = [16, 11]; break;\n case 5: pixelRatio = [40, 33]; break;\n case 6: pixelRatio = [24, 11]; break;\n case 7: pixelRatio = [20, 11]; break;\n case 8: pixelRatio = [32, 11]; break;\n case 9: pixelRatio = [80, 33]; break;\n case 10: pixelRatio = [18, 11]; break;\n case 11: pixelRatio = [15, 11]; break;\n case 12: pixelRatio = [64, 33]; break;\n case 13: pixelRatio = [160, 99]; break;\n case 14: pixelRatio = [4, 3]; break;\n case 15: pixelRatio = [3, 2]; break;\n case 16: pixelRatio = [2, 1]; break;\n case 255: {\n pixelRatio = [readUByte() << 8 | readUByte(), readUByte() << 8 | readUByte()];\n break;\n }\n }\n }\n }\n return {\n width: Math.ceil((((picWidthInMbsMinus1 + 1) * 16) - frameCropLeftOffset * 2 - frameCropRightOffset * 2)),\n height: ((2 - frameMbsOnlyFlag) * (picHeightInMapUnitsMinus1 + 1) * 16) - ((frameMbsOnlyFlag ? 2 : 4) * (frameCropTopOffset + frameCropBottomOffset)),\n pixelRatio: pixelRatio\n };\n }\n\n readSliceType () {\n // skip NALu type\n this.readUByte();\n // discard first_mb_in_slice\n this.readUEG();\n // return slice_type\n return this.readUEG();\n }\n}\n\nexport default ExpGolomb;\n","/**\n * SAMPLE-AES decrypter\n*/\n\nimport Decrypter from '../crypt/decrypter';\n\nclass SampleAesDecrypter {\n constructor (observer, config, decryptdata, discardEPB) {\n this.decryptdata = decryptdata;\n this.discardEPB = discardEPB;\n this.decrypter = new Decrypter(observer, config, { removePKCS7Padding: false });\n }\n\n decryptBuffer (encryptedData, callback) {\n this.decrypter.decrypt(encryptedData, this.decryptdata.key.buffer, this.decryptdata.iv.buffer, callback);\n }\n\n // AAC - encrypt all full 16 bytes blocks starting from offset 16\n decryptAacSample (samples, sampleIndex, callback, sync) {\n let curUnit = samples[sampleIndex].unit;\n let encryptedData = curUnit.subarray(16, curUnit.length - curUnit.length % 16);\n let encryptedBuffer = encryptedData.buffer.slice(\n encryptedData.byteOffset,\n encryptedData.byteOffset + encryptedData.length);\n\n let localthis = this;\n this.decryptBuffer(encryptedBuffer, function (decryptedData) {\n decryptedData = new Uint8Array(decryptedData);\n curUnit.set(decryptedData, 16);\n\n if (!sync) {\n localthis.decryptAacSamples(samples, sampleIndex + 1, callback);\n }\n });\n }\n\n decryptAacSamples (samples, sampleIndex, callback) {\n for (;; sampleIndex++) {\n if (sampleIndex >= samples.length) {\n callback();\n return;\n }\n\n if (samples[sampleIndex].unit.length < 32) {\n continue;\n }\n\n let sync = this.decrypter.isSync();\n\n this.decryptAacSample(samples, sampleIndex, callback, sync);\n\n if (!sync) {\n return;\n }\n }\n }\n\n // AVC - encrypt one 16 bytes block out of ten, starting from offset 32\n getAvcEncryptedData (decodedData) {\n let encryptedDataLen = Math.floor((decodedData.length - 48) / 160) * 16 + 16;\n let encryptedData = new Int8Array(encryptedDataLen);\n let outputPos = 0;\n for (let inputPos = 32; inputPos <= decodedData.length - 16; inputPos += 160, outputPos += 16) {\n encryptedData.set(decodedData.subarray(inputPos, inputPos + 16), outputPos);\n }\n\n return encryptedData;\n }\n\n getAvcDecryptedUnit (decodedData, decryptedData) {\n decryptedData = new Uint8Array(decryptedData);\n let inputPos = 0;\n for (let outputPos = 32; outputPos <= decodedData.length - 16; outputPos += 160, inputPos += 16) {\n decodedData.set(decryptedData.subarray(inputPos, inputPos + 16), outputPos);\n }\n\n return decodedData;\n }\n\n decryptAvcSample (samples, sampleIndex, unitIndex, callback, curUnit, sync) {\n let decodedData = this.discardEPB(curUnit.data);\n let encryptedData = this.getAvcEncryptedData(decodedData);\n let localthis = this;\n\n this.decryptBuffer(encryptedData.buffer, function (decryptedData) {\n curUnit.data = localthis.getAvcDecryptedUnit(decodedData, decryptedData);\n\n if (!sync) {\n localthis.decryptAvcSamples(samples, sampleIndex, unitIndex + 1, callback);\n }\n });\n }\n\n decryptAvcSamples (samples, sampleIndex, unitIndex, callback) {\n for (;; sampleIndex++, unitIndex = 0) {\n if (sampleIndex >= samples.length) {\n callback();\n return;\n }\n\n let curUnits = samples[sampleIndex].units;\n for (;; unitIndex++) {\n if (unitIndex >= curUnits.length) {\n break;\n }\n\n let curUnit = curUnits[unitIndex];\n if (curUnit.length <= 48 || (curUnit.type !== 1 && curUnit.type !== 5)) {\n continue;\n }\n\n let sync = this.decrypter.isSync();\n\n this.decryptAvcSample(samples, sampleIndex, unitIndex, callback, curUnit, sync);\n\n if (!sync) {\n return;\n }\n }\n }\n }\n}\n\nexport default SampleAesDecrypter;\n","/**\n * highly optimized TS demuxer:\n * parse PAT, PMT\n * extract PES packet from audio and video PIDs\n * extract AVC/H264 NAL units and AAC/ADTS samples from PES packet\n * trigger the remuxer upon parsing completion\n * it also tries to workaround as best as it can audio codec switch (HE-AAC to AAC and vice versa), without having to restart the MediaSource.\n * it also controls the remuxing process :\n * upon discontinuity or level switch detection, it will also notifies the remuxer so that it can reset its state.\n*/\n\nimport * as ADTS from './adts';\nimport MpegAudio from './mpegaudio';\nimport Event from '../events';\nimport ExpGolomb from './exp-golomb';\nimport SampleAesDecrypter from './sample-aes';\n// import Hex from '../utils/hex';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { utf8ArrayToStr } from './id3';\n\n// We are using fixed track IDs for driving the MP4 remuxer\n// instead of following the TS PIDs.\n// There is no reason not to do this and some browsers/SourceBuffer-demuxers\n// may not like if there are TrackID \"switches\"\n// See https://github.com/video-dev/hls.js/issues/1331\n// Here we are mapping our internal track types to constant MP4 track IDs\n// With MSE currently one can only have one track of each, and we are muxing\n// whatever video/audio rendition in them.\nconst RemuxerTrackIdConfig = {\n video: 1,\n audio: 2,\n id3: 3,\n text: 4\n};\n\nclass TSDemuxer {\n constructor (observer, remuxer, config, typeSupported) {\n this.observer = observer;\n this.config = config;\n this.typeSupported = typeSupported;\n this.remuxer = remuxer;\n this.sampleAes = null;\n }\n\n setDecryptData (decryptdata) {\n if ((decryptdata != null) && (decryptdata.key != null) && (decryptdata.method === 'SAMPLE-AES')) {\n this.sampleAes = new SampleAesDecrypter(this.observer, this.config, decryptdata, this.discardEPB);\n } else {\n this.sampleAes = null;\n }\n }\n\n static probe (data) {\n const syncOffset = TSDemuxer._syncOffset(data);\n if (syncOffset < 0) {\n return false;\n } else {\n if (syncOffset) {\n logger.warn(`MPEG2-TS detected but first sync word found @ offset ${syncOffset}, junk ahead ?`);\n }\n\n return true;\n }\n }\n\n static _syncOffset (data) {\n // scan 1000 first bytes\n const scanwindow = Math.min(1000, data.length - 3 * 188);\n let i = 0;\n while (i < scanwindow) {\n // a TS fragment should contain at least 3 TS packets, a PAT, a PMT, and one PID, each starting with 0x47\n if (data[i] === 0x47 && data[i + 188] === 0x47 && data[i + 2 * 188] === 0x47) {\n return i;\n } else {\n i++;\n }\n }\n return -1;\n }\n\n /**\n * Creates a track model internal to demuxer used to drive remuxing input\n *\n * @param {string} type 'audio' | 'video' | 'id3' | 'text'\n * @param {number} duration\n * @return {object} TSDemuxer's internal track model\n */\n static createTrack (type, duration) {\n return {\n container: type === 'video' || type === 'audio' ? 'video/mp2t' : undefined,\n type,\n id: RemuxerTrackIdConfig[type],\n pid: -1,\n inputTimeScale: 90000,\n sequenceNumber: 0,\n samples: [],\n dropped: type === 'video' ? 0 : undefined,\n isAAC: type === 'audio' ? true : undefined,\n duration: type === 'audio' ? duration : undefined\n };\n }\n\n /**\n * Initializes a new init segment on the demuxer/remuxer interface. Needed for discontinuities/track-switches (or at stream start)\n * Resets all internal track instances of the demuxer.\n *\n * @override Implements generic demuxing/remuxing interface (see DemuxerInline)\n * @param {object} initSegment\n * @param {string} audioCodec\n * @param {string} videoCodec\n * @param {number} duration (in TS timescale = 90kHz)\n */\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this.pmtParsed = false;\n this._pmtId = -1;\n\n this._avcTrack = TSDemuxer.createTrack('video', duration);\n this._audioTrack = TSDemuxer.createTrack('audio', duration);\n this._id3Track = TSDemuxer.createTrack('id3', duration);\n this._txtTrack = TSDemuxer.createTrack('text', duration);\n\n // flush any partial content\n this.aacOverFlow = null;\n this.aacLastPTS = null;\n this.avcSample = null;\n this.audioCodec = audioCodec;\n this.videoCodec = videoCodec;\n this._duration = duration;\n }\n\n /**\n *\n * @override\n */\n resetTimeStamp () {}\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let start, len = data.length, stt, pid, atf, offset, pes,\n unknownPIDs = false;\n this.contiguous = contiguous;\n let pmtParsed = this.pmtParsed,\n avcTrack = this._avcTrack,\n audioTrack = this._audioTrack,\n id3Track = this._id3Track,\n avcId = avcTrack.pid,\n audioId = audioTrack.pid,\n id3Id = id3Track.pid,\n pmtId = this._pmtId,\n avcData = avcTrack.pesData,\n audioData = audioTrack.pesData,\n id3Data = id3Track.pesData,\n parsePAT = this._parsePAT,\n parsePMT = this._parsePMT,\n parsePES = this._parsePES,\n parseAVCPES = this._parseAVCPES.bind(this),\n parseAACPES = this._parseAACPES.bind(this),\n parseMPEGPES = this._parseMPEGPES.bind(this),\n parseID3PES = this._parseID3PES.bind(this);\n\n const syncOffset = TSDemuxer._syncOffset(data);\n\n // don't parse last TS packet if incomplete\n len -= (len + syncOffset) % 188;\n\n // loop through TS packets\n for (start = syncOffset; start < len; start += 188) {\n if (data[start] === 0x47) {\n stt = !!(data[start + 1] & 0x40);\n // pid is a 13-bit field starting at the last bit of TS[1]\n pid = ((data[start + 1] & 0x1f) << 8) + data[start + 2];\n atf = (data[start + 3] & 0x30) >> 4;\n // if an adaption field is present, its length is specified by the fifth byte of the TS packet header.\n if (atf > 1) {\n offset = start + 5 + data[start + 4];\n // continue if there is only adaptation field\n if (offset === (start + 188)) {\n continue;\n }\n } else {\n offset = start + 4;\n }\n switch (pid) {\n case avcId:\n if (stt) {\n if (avcData && (pes = parsePES(avcData))) {\n parseAVCPES(pes, false);\n }\n\n avcData = { data: [], size: 0 };\n }\n if (avcData) {\n avcData.data.push(data.subarray(offset, start + 188));\n avcData.size += start + 188 - offset;\n }\n break;\n case audioId:\n if (stt) {\n if (audioData && (pes = parsePES(audioData))) {\n if (audioTrack.isAAC) {\n parseAACPES(pes);\n } else {\n parseMPEGPES(pes);\n }\n }\n audioData = { data: [], size: 0 };\n }\n if (audioData) {\n audioData.data.push(data.subarray(offset, start + 188));\n audioData.size += start + 188 - offset;\n }\n break;\n case id3Id:\n if (stt) {\n if (id3Data && (pes = parsePES(id3Data))) {\n parseID3PES(pes);\n }\n\n id3Data = { data: [], size: 0 };\n }\n if (id3Data) {\n id3Data.data.push(data.subarray(offset, start + 188));\n id3Data.size += start + 188 - offset;\n }\n break;\n case 0:\n if (stt) {\n offset += data[offset] + 1;\n }\n\n pmtId = this._pmtId = parsePAT(data, offset);\n break;\n case pmtId:\n if (stt) {\n offset += data[offset] + 1;\n }\n\n let parsedPIDs = parsePMT(data, offset, this.typeSupported.mpeg === true || this.typeSupported.mp3 === true, this.sampleAes != null);\n\n // only update track id if track PID found while parsing PMT\n // this is to avoid resetting the PID to -1 in case\n // track PID transiently disappears from the stream\n // this could happen in case of transient missing audio samples for example\n // NOTE this is only the PID of the track as found in TS,\n // but we are not using this for MP4 track IDs.\n avcId = parsedPIDs.avc;\n if (avcId > 0) {\n avcTrack.pid = avcId;\n }\n\n audioId = parsedPIDs.audio;\n if (audioId > 0) {\n audioTrack.pid = audioId;\n audioTrack.isAAC = parsedPIDs.isAAC;\n }\n id3Id = parsedPIDs.id3;\n if (id3Id > 0) {\n id3Track.pid = id3Id;\n }\n\n if (unknownPIDs && !pmtParsed) {\n logger.log('reparse from beginning');\n unknownPIDs = false;\n // we set it to -188, the += 188 in the for loop will reset start to 0\n start = syncOffset - 188;\n }\n pmtParsed = this.pmtParsed = true;\n break;\n case 17:\n case 0x1fff:\n break;\n default:\n unknownPIDs = true;\n break;\n }\n } else {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: false, reason: 'TS packet did not start with 0x47' });\n }\n }\n // try to parse last PES packets\n if (avcData && (pes = parsePES(avcData))) {\n parseAVCPES(pes, true);\n avcTrack.pesData = null;\n } else {\n // either avcData null or PES truncated, keep it for next frag parsing\n avcTrack.pesData = avcData;\n }\n\n if (audioData && (pes = parsePES(audioData))) {\n if (audioTrack.isAAC) {\n parseAACPES(pes);\n } else {\n parseMPEGPES(pes);\n }\n\n audioTrack.pesData = null;\n } else {\n if (audioData && audioData.size) {\n logger.log('last AAC PES packet truncated,might overlap between fragments');\n }\n\n // either audioData null or PES truncated, keep it for next frag parsing\n audioTrack.pesData = audioData;\n }\n\n if (id3Data && (pes = parsePES(id3Data))) {\n parseID3PES(pes);\n id3Track.pesData = null;\n } else {\n // either id3Data null or PES truncated, keep it for next frag parsing\n id3Track.pesData = id3Data;\n }\n\n if (this.sampleAes == null) {\n this.remuxer.remux(audioTrack, avcTrack, id3Track, this._txtTrack, timeOffset, contiguous, accurateTimeOffset);\n } else {\n this.decryptAndRemux(audioTrack, avcTrack, id3Track, this._txtTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n decryptAndRemux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n if (audioTrack.samples && audioTrack.isAAC) {\n let localthis = this;\n this.sampleAes.decryptAacSamples(audioTrack.samples, 0, function () {\n localthis.decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n });\n } else {\n this.decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n decryptAndRemuxAvc (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n if (videoTrack.samples) {\n let localthis = this;\n this.sampleAes.decryptAvcSamples(videoTrack.samples, 0, 0, function () {\n localthis.remuxer.remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n });\n } else {\n this.remuxer.remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n destroy () {\n this._initPTS = this._initDTS = undefined;\n this._duration = 0;\n }\n\n _parsePAT (data, offset) {\n // skip the PSI header and parse the first PMT entry\n return (data[offset + 10] & 0x1F) << 8 | data[offset + 11];\n // logger.log('PMT PID:' + this._pmtId);\n }\n\n _parsePMT (data, offset, mpegSupported, isSampleAes) {\n let sectionLength, tableEnd, programInfoLength, pid, result = { audio: -1, avc: -1, id3: -1, isAAC: true };\n sectionLength = (data[offset + 1] & 0x0f) << 8 | data[offset + 2];\n tableEnd = offset + 3 + sectionLength - 4;\n // to determine where the table is, we have to figure out how\n // long the program info descriptors are\n programInfoLength = (data[offset + 10] & 0x0f) << 8 | data[offset + 11];\n // advance the offset to the first entry in the mapping table\n offset += 12 + programInfoLength;\n while (offset < tableEnd) {\n pid = (data[offset + 1] & 0x1F) << 8 | data[offset + 2];\n switch (data[offset]) {\n case 0xcf: // SAMPLE-AES AAC\n if (!isSampleAes) {\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n /* falls through */\n\n // ISO/IEC 13818-7 ADTS AAC (MPEG-2 lower bit-rate audio)\n case 0x0f:\n // logger.log('AAC PID:' + pid);\n if (result.audio === -1) {\n result.audio = pid;\n }\n\n break;\n\n // Packetized metadata (ID3)\n case 0x15:\n // logger.log('ID3 PID:' + pid);\n if (result.id3 === -1) {\n result.id3 = pid;\n }\n\n break;\n\n case 0xdb: // SAMPLE-AES AVC\n if (!isSampleAes) {\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n /* falls through */\n\n // ITU-T Rec. H.264 and ISO/IEC 14496-10 (lower bit-rate video)\n case 0x1b:\n // logger.log('AVC PID:' + pid);\n if (result.avc === -1) {\n result.avc = pid;\n }\n\n break;\n\n // ISO/IEC 11172-3 (MPEG-1 audio)\n // or ISO/IEC 13818-3 (MPEG-2 halved sample rate audio)\n case 0x03:\n case 0x04:\n // logger.log('MPEG PID:' + pid);\n if (!mpegSupported) {\n logger.log('MPEG audio found, not supported in this browser for now');\n } else if (result.audio === -1) {\n result.audio = pid;\n result.isAAC = false;\n }\n break;\n\n case 0x24:\n logger.warn('HEVC stream type found, not supported for now');\n break;\n\n default:\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n // move to the next table entry\n // skip past the elementary stream descriptors, if present\n offset += ((data[offset + 3] & 0x0F) << 8 | data[offset + 4]) + 5;\n }\n return result;\n }\n\n _parsePES (stream) {\n let i = 0, frag, pesFlags, pesPrefix, pesLen, pesHdrLen, pesData, pesPts, pesDts, payloadStartOffset, data = stream.data;\n // safety check\n if (!stream || stream.size === 0) {\n return null;\n }\n\n // we might need up to 19 bytes to read PES header\n // if first chunk of data is less than 19 bytes, let's merge it with following ones until we get 19 bytes\n // usually only one merge is needed (and this is rare ...)\n while (data[0].length < 19 && data.length > 1) {\n let newData = new Uint8Array(data[0].length + data[1].length);\n newData.set(data[0]);\n newData.set(data[1], data[0].length);\n data[0] = newData;\n data.splice(1, 1);\n }\n // retrieve PTS/DTS from first fragment\n frag = data[0];\n pesPrefix = (frag[0] << 16) + (frag[1] << 8) + frag[2];\n if (pesPrefix === 1) {\n pesLen = (frag[4] << 8) + frag[5];\n // if PES parsed length is not zero and greater than total received length, stop parsing. PES might be truncated\n // minus 6 : PES header size\n if (pesLen && pesLen > stream.size - 6) {\n return null;\n }\n\n pesFlags = frag[7];\n if (pesFlags & 0xC0) {\n /* PES header described here : http://dvd.sourceforge.net/dvdinfo/pes-hdr.html\n as PTS / DTS is 33 bit we cannot use bitwise operator in JS,\n as Bitwise operators treat their operands as a sequence of 32 bits */\n pesPts = (frag[9] & 0x0E) * 536870912 +// 1 << 29\n (frag[10] & 0xFF) * 4194304 +// 1 << 22\n (frag[11] & 0xFE) * 16384 +// 1 << 14\n (frag[12] & 0xFF) * 128 +// 1 << 7\n (frag[13] & 0xFE) / 2;\n // check if greater than 2^32 -1\n if (pesPts > 4294967295) {\n // decrement 2^33\n pesPts -= 8589934592;\n }\n if (pesFlags & 0x40) {\n pesDts = (frag[14] & 0x0E) * 536870912 +// 1 << 29\n (frag[15] & 0xFF) * 4194304 +// 1 << 22\n (frag[16] & 0xFE) * 16384 +// 1 << 14\n (frag[17] & 0xFF) * 128 +// 1 << 7\n (frag[18] & 0xFE) / 2;\n // check if greater than 2^32 -1\n if (pesDts > 4294967295) {\n // decrement 2^33\n pesDts -= 8589934592;\n }\n if (pesPts - pesDts > 60 * 90000) {\n logger.warn(`${Math.round((pesPts - pesDts) / 90000)}s delta between PTS and DTS, align them`);\n pesPts = pesDts;\n }\n } else {\n pesDts = pesPts;\n }\n }\n pesHdrLen = frag[8];\n // 9 bytes : 6 bytes for PES header + 3 bytes for PES extension\n payloadStartOffset = pesHdrLen + 9;\n\n if (stream.size <= payloadStartOffset) {\n return null;\n }\n stream.size -= payloadStartOffset;\n // reassemble PES packet\n pesData = new Uint8Array(stream.size);\n for (let j = 0, dataLen = data.length; j < dataLen; j++) {\n frag = data[j];\n let len = frag.byteLength;\n if (payloadStartOffset) {\n if (payloadStartOffset > len) {\n // trim full frag if PES header bigger than frag\n payloadStartOffset -= len;\n continue;\n } else {\n // trim partial frag if PES header smaller than frag\n frag = frag.subarray(payloadStartOffset);\n len -= payloadStartOffset;\n payloadStartOffset = 0;\n }\n }\n pesData.set(frag, i);\n i += len;\n }\n if (pesLen) {\n // payload size : remove PES header + PES extension\n pesLen -= pesHdrLen + 3;\n }\n return { data: pesData, pts: pesPts, dts: pesDts, len: pesLen };\n } else {\n return null;\n }\n }\n\n pushAccesUnit (avcSample, avcTrack) {\n if (avcSample.units.length && avcSample.frame) {\n const samples = avcTrack.samples;\n const nbSamples = samples.length;\n // if sample does not have PTS/DTS, patch with last sample PTS/DTS\n if (isNaN(avcSample.pts)) {\n if (nbSamples) {\n const lastSample = samples[nbSamples - 1];\n avcSample.pts = lastSample.pts;\n avcSample.dts = lastSample.dts;\n } else {\n // dropping samples, no timestamp found\n avcTrack.dropped++;\n return;\n }\n }\n // only push AVC sample if starting with a keyframe is not mandatory OR\n // if keyframe already found in this fragment OR\n // keyframe found in last fragment (track.sps) AND\n // samples already appended (we already found a keyframe in this fragment) OR fragment is contiguous\n if (!this.config.forceKeyFrameOnDiscontinuity ||\n avcSample.key === true ||\n (avcTrack.sps && (nbSamples || this.contiguous))) {\n avcSample.id = nbSamples;\n samples.push(avcSample);\n } else {\n // dropped samples, track it\n avcTrack.dropped++;\n }\n }\n if (avcSample.debug.length) {\n logger.log(avcSample.pts + '/' + avcSample.dts + ':' + avcSample.debug);\n }\n }\n\n _parseAVCPES (pes, last) {\n // logger.log('parse new PES');\n let track = this._avcTrack,\n units = this._parseAVCNALu(pes.data),\n debug = false,\n expGolombDecoder,\n avcSample = this.avcSample,\n push,\n spsfound = false,\n i,\n pushAccesUnit = this.pushAccesUnit.bind(this),\n createAVCSample = function (key, pts, dts, debug) {\n return { key: key, pts: pts, dts: dts, units: [], debug: debug };\n };\n // free pes.data to save up some memory\n pes.data = null;\n\n // if new NAL units found and last sample still there, let's push ...\n // this helps parsing streams with missing AUD (only do this if AUD never found)\n if (avcSample && units.length && !track.audFound) {\n pushAccesUnit(avcSample, track);\n avcSample = this.avcSample = createAVCSample(false, pes.pts, pes.dts, '');\n }\n\n units.forEach(unit => {\n switch (unit.type) {\n // NDR\n case 1:\n push = true;\n if (!avcSample) {\n avcSample = this.avcSample = createAVCSample(true, pes.pts, pes.dts, '');\n }\n\n if (debug) {\n avcSample.debug += 'NDR ';\n }\n\n avcSample.frame = true;\n let data = unit.data;\n // only check slice type to detect KF in case SPS found in same packet (any keyframe is preceded by SPS ...)\n if (spsfound && data.length > 4) {\n // retrieve slice type by parsing beginning of NAL unit (follow H264 spec, slice_header definition) to detect keyframe embedded in NDR\n let sliceType = new ExpGolomb(data).readSliceType();\n // 2 : I slice, 4 : SI slice, 7 : I slice, 9: SI slice\n // SI slice : A slice that is coded using intra prediction only and using quantisation of the prediction samples.\n // An SI slice can be coded such that its decoded samples can be constructed identically to an SP slice.\n // I slice: A slice that is not an SI slice that is decoded using intra prediction only.\n // if (sliceType === 2 || sliceType === 7) {\n if (sliceType === 2 || sliceType === 4 || sliceType === 7 || sliceType === 9) {\n avcSample.key = true;\n }\n }\n break;\n // IDR\n case 5:\n push = true;\n // handle PES not starting with AUD\n if (!avcSample) {\n avcSample = this.avcSample = createAVCSample(true, pes.pts, pes.dts, '');\n }\n\n if (debug) {\n avcSample.debug += 'IDR ';\n }\n\n avcSample.key = true;\n avcSample.frame = true;\n break;\n // SEI\n case 6:\n push = true;\n if (debug && avcSample) {\n avcSample.debug += 'SEI ';\n }\n\n expGolombDecoder = new ExpGolomb(this.discardEPB(unit.data));\n\n // skip frameType\n expGolombDecoder.readUByte();\n\n var payloadType = 0;\n var payloadSize = 0;\n var endOfCaptions = false;\n var b = 0;\n\n while (!endOfCaptions && expGolombDecoder.bytesAvailable > 1) {\n payloadType = 0;\n do {\n b = expGolombDecoder.readUByte();\n payloadType += b;\n } while (b === 0xFF);\n\n // Parse payload size.\n payloadSize = 0;\n do {\n b = expGolombDecoder.readUByte();\n payloadSize += b;\n } while (b === 0xFF);\n\n // TODO: there can be more than one payload in an SEI packet...\n // TODO: need to read type and size in a while loop to get them all\n if (payloadType === 4 && expGolombDecoder.bytesAvailable !== 0) {\n endOfCaptions = true;\n\n let countryCode = expGolombDecoder.readUByte();\n\n if (countryCode === 181) {\n let providerCode = expGolombDecoder.readUShort();\n\n if (providerCode === 49) {\n let userStructure = expGolombDecoder.readUInt();\n\n if (userStructure === 0x47413934) {\n let userDataType = expGolombDecoder.readUByte();\n\n // Raw CEA-608 bytes wrapped in CEA-708 packet\n if (userDataType === 3) {\n let firstByte = expGolombDecoder.readUByte();\n let secondByte = expGolombDecoder.readUByte();\n\n let totalCCs = 31 & firstByte;\n let byteArray = [firstByte, secondByte];\n\n for (i = 0; i < totalCCs; i++) {\n // 3 bytes per CC\n byteArray.push(expGolombDecoder.readUByte());\n byteArray.push(expGolombDecoder.readUByte());\n byteArray.push(expGolombDecoder.readUByte());\n }\n\n this._insertSampleInOrder(this._txtTrack.samples, { type: 3, pts: pes.pts, bytes: byteArray });\n }\n }\n }\n }\n } else if (payloadType === 5 && expGolombDecoder.bytesAvailable !== 0) {\n endOfCaptions = true;\n\n if (payloadSize > 16) {\n const uuidStrArray = [];\n for (i = 0; i < 16; i++) {\n uuidStrArray.push(expGolombDecoder.readUByte().toString(16));\n\n if (i === 3 || i === 5 || i === 7 || i === 9) {\n uuidStrArray.push('-');\n }\n }\n const length = payloadSize - 16;\n const userDataPayloadBytes = new Uint8Array(length);\n for (i = 0; i < length; i++) {\n userDataPayloadBytes[i] = expGolombDecoder.readUByte();\n }\n\n this._insertSampleInOrder(this._txtTrack.samples, {\n pts: pes.pts,\n payloadType: payloadType,\n uuid: uuidStrArray.join(''),\n userDataBytes: userDataPayloadBytes,\n userData: utf8ArrayToStr(userDataPayloadBytes.buffer)\n });\n }\n } else if (payloadSize < expGolombDecoder.bytesAvailable) {\n for (i = 0; i < payloadSize; i++) {\n expGolombDecoder.readUByte();\n }\n }\n }\n break;\n // SPS\n case 7:\n push = true;\n spsfound = true;\n if (debug && avcSample) {\n avcSample.debug += 'SPS ';\n }\n\n if (!track.sps) {\n expGolombDecoder = new ExpGolomb(unit.data);\n let config = expGolombDecoder.readSPS();\n track.width = config.width;\n track.height = config.height;\n track.pixelRatio = config.pixelRatio;\n track.sps = [unit.data];\n track.duration = this._duration;\n let codecarray = unit.data.subarray(1, 4);\n let codecstring = 'avc1.';\n for (i = 0; i < 3; i++) {\n let h = codecarray[i].toString(16);\n if (h.length < 2) {\n h = '0' + h;\n }\n\n codecstring += h;\n }\n track.codec = codecstring;\n }\n break;\n // PPS\n case 8:\n push = true;\n if (debug && avcSample) {\n avcSample.debug += 'PPS ';\n }\n\n if (!track.pps) {\n track.pps = [unit.data];\n }\n\n break;\n // AUD\n case 9:\n push = false;\n track.audFound = true;\n if (avcSample) {\n pushAccesUnit(avcSample, track);\n }\n\n avcSample = this.avcSample = createAVCSample(false, pes.pts, pes.dts, debug ? 'AUD ' : '');\n break;\n // Filler Data\n case 12:\n push = false;\n break;\n default:\n push = false;\n if (avcSample) {\n avcSample.debug += 'unknown NAL ' + unit.type + ' ';\n }\n\n break;\n }\n if (avcSample && push) {\n let units = avcSample.units;\n units.push(unit);\n }\n });\n // if last PES packet, push samples\n if (last && avcSample) {\n pushAccesUnit(avcSample, track);\n this.avcSample = null;\n }\n }\n\n _insertSampleInOrder (arr, data) {\n let len = arr.length;\n if (len > 0) {\n if (data.pts >= arr[len - 1].pts) {\n arr.push(data);\n } else {\n for (let pos = len - 1; pos >= 0; pos--) {\n if (data.pts < arr[pos].pts) {\n arr.splice(pos, 0, data);\n break;\n }\n }\n }\n } else {\n arr.push(data);\n }\n }\n\n _getLastNalUnit () {\n let avcSample = this.avcSample, lastUnit;\n // try to fallback to previous sample if current one is empty\n if (!avcSample || avcSample.units.length === 0) {\n let track = this._avcTrack, samples = track.samples;\n avcSample = samples[samples.length - 1];\n }\n if (avcSample) {\n let units = avcSample.units;\n lastUnit = units[units.length - 1];\n }\n return lastUnit;\n }\n\n _parseAVCNALu (array) {\n let i = 0, len = array.byteLength, value, overflow, track = this._avcTrack, state = track.naluState || 0, lastState = state;\n let units = [], unit, unitType, lastUnitStart = -1, lastUnitType;\n // logger.log('PES:' + Hex.hexDump(array));\n\n if (state === -1) {\n // special use case where we found 3 or 4-byte start codes exactly at the end of previous PES packet\n lastUnitStart = 0;\n // NALu type is value read from offset 0\n lastUnitType = array[0] & 0x1f;\n state = 0;\n i = 1;\n }\n\n while (i < len) {\n value = array[i++];\n // optimization. state 0 and 1 are the predominant case. let's handle them outside of the switch/case\n if (!state) {\n state = value ? 0 : 1;\n continue;\n }\n if (state === 1) {\n state = value ? 0 : 2;\n continue;\n }\n // here we have state either equal to 2 or 3\n if (!value) {\n state = 3;\n } else if (value === 1) {\n if (lastUnitStart >= 0) {\n unit = { data: array.subarray(lastUnitStart, i - state - 1), type: lastUnitType };\n // logger.log('pushing NALU, type/size:' + unit.type + '/' + unit.data.byteLength);\n units.push(unit);\n } else {\n // lastUnitStart is undefined => this is the first start code found in this PES packet\n // first check if start code delimiter is overlapping between 2 PES packets,\n // ie it started in last packet (lastState not zero)\n // and ended at the beginning of this PES packet (i <= 4 - lastState)\n let lastUnit = this._getLastNalUnit();\n if (lastUnit) {\n if (lastState && (i <= 4 - lastState)) {\n // start delimiter overlapping between PES packets\n // strip start delimiter bytes from the end of last NAL unit\n // check if lastUnit had a state different from zero\n if (lastUnit.state) {\n // strip last bytes\n lastUnit.data = lastUnit.data.subarray(0, lastUnit.data.byteLength - lastState);\n }\n }\n // If NAL units are not starting right at the beginning of the PES packet, push preceding data into previous NAL unit.\n overflow = i - state - 1;\n if (overflow > 0) {\n // logger.log('first NALU found with overflow:' + overflow);\n let tmp = new Uint8Array(lastUnit.data.byteLength + overflow);\n tmp.set(lastUnit.data, 0);\n tmp.set(array.subarray(0, overflow), lastUnit.data.byteLength);\n lastUnit.data = tmp;\n }\n }\n }\n // check if we can read unit type\n if (i < len) {\n unitType = array[i] & 0x1f;\n // logger.log('find NALU @ offset:' + i + ',type:' + unitType);\n lastUnitStart = i;\n lastUnitType = unitType;\n state = 0;\n } else {\n // not enough byte to read unit type. let's read it on next PES parsing\n state = -1;\n }\n } else {\n state = 0;\n }\n }\n if (lastUnitStart >= 0 && state >= 0) {\n unit = { data: array.subarray(lastUnitStart, len), type: lastUnitType, state: state };\n units.push(unit);\n // logger.log('pushing NALU, type/size/state:' + unit.type + '/' + unit.data.byteLength + '/' + state);\n }\n // no NALu found\n if (units.length === 0) {\n // append pes.data to previous NAL unit\n let lastUnit = this._getLastNalUnit();\n if (lastUnit) {\n let tmp = new Uint8Array(lastUnit.data.byteLength + array.byteLength);\n tmp.set(lastUnit.data, 0);\n tmp.set(array, lastUnit.data.byteLength);\n lastUnit.data = tmp;\n }\n }\n track.naluState = state;\n return units;\n }\n\n /**\n * remove Emulation Prevention bytes from a RBSP\n */\n discardEPB (data) {\n let length = data.byteLength,\n EPBPositions = [],\n i = 1,\n newLength, newData;\n\n // Find all `Emulation Prevention Bytes`\n while (i < length - 2) {\n if (data[i] === 0 &&\n data[i + 1] === 0 &&\n data[i + 2] === 0x03) {\n EPBPositions.push(i + 2);\n i += 2;\n } else {\n i++;\n }\n }\n\n // If no Emulation Prevention Bytes were found just return the original\n // array\n if (EPBPositions.length === 0) {\n return data;\n }\n\n // Create a new array to hold the NAL unit data\n newLength = length - EPBPositions.length;\n newData = new Uint8Array(newLength);\n let sourceIndex = 0;\n\n for (i = 0; i < newLength; sourceIndex++, i++) {\n if (sourceIndex === EPBPositions[0]) {\n // Skip this byte\n sourceIndex++;\n // Remove this position index\n EPBPositions.shift();\n }\n newData[i] = data[sourceIndex];\n }\n return newData;\n }\n\n _parseAACPES (pes) {\n let track = this._audioTrack,\n data = pes.data,\n pts = pes.pts,\n startOffset = 0,\n aacOverFlow = this.aacOverFlow,\n aacLastPTS = this.aacLastPTS,\n frameDuration, frameIndex, offset, stamp, len;\n if (aacOverFlow) {\n let tmp = new Uint8Array(aacOverFlow.byteLength + data.byteLength);\n tmp.set(aacOverFlow, 0);\n tmp.set(data, aacOverFlow.byteLength);\n // logger.log(`AAC: append overflowing ${aacOverFlow.byteLength} bytes to beginning of new PES`);\n data = tmp;\n }\n // look for ADTS header (0xFFFx)\n for (offset = startOffset, len = data.length; offset < len - 1; offset++) {\n if (ADTS.isHeader(data, offset)) {\n break;\n }\n }\n // if ADTS header does not start straight from the beginning of the PES payload, raise an error\n if (offset) {\n let reason, fatal;\n if (offset < len - 1) {\n reason = `AAC PES did not start with ADTS header,offset:${offset}`;\n fatal = false;\n } else {\n reason = 'no ADTS header found in AAC PES';\n fatal = true;\n }\n logger.warn(`parsing error:${reason}`);\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: fatal, reason: reason });\n if (fatal) {\n return;\n }\n }\n\n ADTS.initTrackConfig(track, this.observer, data, offset, this.audioCodec);\n frameIndex = 0;\n frameDuration = ADTS.getFrameDuration(track.samplerate);\n\n // if last AAC frame is overflowing, we should ensure timestamps are contiguous:\n // first sample PTS should be equal to last sample PTS + frameDuration\n if (aacOverFlow && aacLastPTS) {\n let newPTS = aacLastPTS + frameDuration;\n if (Math.abs(newPTS - pts) > 1) {\n logger.log(`AAC: align PTS for overlapping frames by ${Math.round((newPTS - pts) / 90)}`);\n pts = newPTS;\n }\n }\n\n // scan for aac samples\n while (offset < len) {\n if (ADTS.isHeader(data, offset)) {\n if ((offset + 5) < len) {\n const frame = ADTS.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n continue;\n }\n }\n // We are at an ADTS header, but do not have enough data for a frame\n // Remaining data will be added to aacOverFlow\n break;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n if (offset < len) {\n aacOverFlow = data.subarray(offset, len);\n // logger.log(`AAC: overflow detected:${len-offset}`);\n } else {\n aacOverFlow = null;\n }\n\n this.aacOverFlow = aacOverFlow;\n this.aacLastPTS = stamp;\n }\n\n _parseMPEGPES (pes) {\n let data = pes.data;\n let length = data.length;\n let frameIndex = 0;\n let offset = 0;\n let pts = pes.pts;\n\n while (offset < length) {\n if (MpegAudio.isHeader(data, offset)) {\n let frame = MpegAudio.appendFrame(this._audioTrack, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n frameIndex++;\n } else {\n // logger.log('Unable to parse Mpeg audio frame');\n break;\n }\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n }\n\n _parseID3PES (pes) {\n this._id3Track.samples.push(pes);\n }\n}\n\nexport default TSDemuxer;\n","/**\n * MP3 demuxer\n */\nimport ID3 from '../demux/id3';\nimport { logger } from '../utils/logger';\nimport MpegAudio from './mpegaudio';\n\nclass MP3Demuxer {\n constructor (observer, remuxer, config) {\n this.observer = observer;\n this.config = config;\n this.remuxer = remuxer;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this._audioTrack = { container: 'audio/mpeg', type: 'audio', id: -1, sequenceNumber: 0, isAAC: false, samples: [], len: 0, manifestCodec: audioCodec, duration: duration, inputTimeScale: 90000 };\n }\n\n resetTimeStamp () {\n }\n\n static probe (data) {\n // check if data contains ID3 timestamp and MPEG sync word\n let offset, length;\n let id3Data = ID3.getID3Data(data, 0);\n if (id3Data && ID3.getTimeStamp(id3Data) !== undefined) {\n // Look for MPEG header | 1111 1111 | 111X XYZX | where X can be either 0 or 1 and Y or Z should be 1\n // Layer bits (position 14 and 15) in header should be always different from 0 (Layer I or Layer II or Layer III)\n // More info http://www.mp3-tech.org/programmer/frame_header.html\n for (offset = id3Data.length, length = Math.min(data.length - 1, offset + 100); offset < length; offset++) {\n if (MpegAudio.probe(data, offset)) {\n logger.log('MPEG Audio sync word found !');\n return true;\n }\n }\n }\n return false;\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let id3Data = ID3.getID3Data(data, 0);\n let timestamp = ID3.getTimeStamp(id3Data);\n let pts = timestamp ? 90 * timestamp : timeOffset * 90000;\n let offset = id3Data.length;\n let length = data.length;\n let frameIndex = 0, stamp = 0;\n let track = this._audioTrack;\n\n let id3Samples = [{ pts: pts, dts: pts, data: id3Data }];\n\n while (offset < length) {\n if (MpegAudio.isHeader(data, offset)) {\n let frame = MpegAudio.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n } else {\n // logger.log('Unable to parse Mpeg audio frame');\n break;\n }\n } else if (ID3.isHeader(data, offset)) {\n id3Data = ID3.getID3Data(data, offset);\n id3Samples.push({ pts: stamp, dts: stamp, data: id3Data });\n offset += id3Data.length;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n this.remuxer.remux(track,\n { samples: [] },\n { samples: id3Samples, inputTimeScale: 90000 },\n { samples: [] },\n timeOffset,\n contiguous,\n accurateTimeOffset);\n }\n\n destroy () {\n }\n}\n\nexport default MP3Demuxer;\n","/**\n * AAC helper\n */\n\nclass AAC {\n static getSilentFrame (codec, channelCount) {\n switch (codec) {\n case 'mp4a.40.2':\n if (channelCount === 1) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x23, 0x80]);\n } else if (channelCount === 2) {\n return new Uint8Array([0x21, 0x00, 0x49, 0x90, 0x02, 0x19, 0x00, 0x23, 0x80]);\n } else if (channelCount === 3) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x8e]);\n } else if (channelCount === 4) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x80, 0x2c, 0x80, 0x08, 0x02, 0x38]);\n } else if (channelCount === 5) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x38]);\n } else if (channelCount === 6) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x00, 0xb2, 0x00, 0x20, 0x08, 0xe0]);\n }\n\n break;\n // handle HE-AAC below (mp4a.40.5 / mp4a.40.29)\n default:\n if (channelCount === 1) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0:d=0.05\" -c:a libfdk_aac -profile:a aac_he -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x4e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x1c, 0x6, 0xf1, 0xc1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n } else if (channelCount === 2) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0|0:d=0.05\" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n } else if (channelCount === 3) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0|0|0:d=0.05\" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n }\n break;\n }\n return null;\n }\n}\n\nexport default AAC;\n","/**\n * Generate MP4 Box\n*/\n\nconst UINT32_MAX = Math.pow(2, 32) - 1;\n\nclass MP4 {\n static init () {\n MP4.types = {\n avc1: [], // codingname\n avcC: [],\n btrt: [],\n dinf: [],\n dref: [],\n esds: [],\n ftyp: [],\n hdlr: [],\n mdat: [],\n mdhd: [],\n mdia: [],\n mfhd: [],\n minf: [],\n moof: [],\n moov: [],\n mp4a: [],\n '.mp3': [],\n mvex: [],\n mvhd: [],\n pasp: [],\n sdtp: [],\n stbl: [],\n stco: [],\n stsc: [],\n stsd: [],\n stsz: [],\n stts: [],\n tfdt: [],\n tfhd: [],\n traf: [],\n trak: [],\n trun: [],\n trex: [],\n tkhd: [],\n vmhd: [],\n smhd: []\n };\n\n let i;\n for (i in MP4.types) {\n if (MP4.types.hasOwnProperty(i)) {\n MP4.types[i] = [\n i.charCodeAt(0),\n i.charCodeAt(1),\n i.charCodeAt(2),\n i.charCodeAt(3)\n ];\n }\n }\n\n let videoHdlr = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0x76, 0x69, 0x64, 0x65, // handler_type: 'vide'\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x56, 0x69, 0x64, 0x65,\n 0x6f, 0x48, 0x61, 0x6e,\n 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'VideoHandler'\n ]);\n\n let audioHdlr = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0x73, 0x6f, 0x75, 0x6e, // handler_type: 'soun'\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x53, 0x6f, 0x75, 0x6e,\n 0x64, 0x48, 0x61, 0x6e,\n 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'SoundHandler'\n ]);\n\n MP4.HDLR_TYPES = {\n 'video': videoHdlr,\n 'audio': audioHdlr\n };\n\n let dref = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x01, // entry_count\n 0x00, 0x00, 0x00, 0x0c, // entry_size\n 0x75, 0x72, 0x6c, 0x20, // 'url' type\n 0x00, // version 0\n 0x00, 0x00, 0x01 // entry_flags\n ]);\n\n let stco = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00 // entry_count\n ]);\n\n MP4.STTS = MP4.STSC = MP4.STCO = stco;\n\n MP4.STSZ = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // sample_size\n 0x00, 0x00, 0x00, 0x00 // sample_count\n ]);\n MP4.VMHD = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x01, // flags\n 0x00, 0x00, // graphicsmode\n 0x00, 0x00,\n 0x00, 0x00,\n 0x00, 0x00 // opcolor\n ]);\n MP4.SMHD = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, // balance\n 0x00, 0x00 // reserved\n ]);\n\n MP4.STSD = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x01]);// entry_count\n\n let majorBrand = new Uint8Array([105, 115, 111, 109]); // isom\n let avc1Brand = new Uint8Array([97, 118, 99, 49]); // avc1\n let minorVersion = new Uint8Array([0, 0, 0, 1]);\n\n MP4.FTYP = MP4.box(MP4.types.ftyp, majorBrand, minorVersion, majorBrand, avc1Brand);\n MP4.DINF = MP4.box(MP4.types.dinf, MP4.box(MP4.types.dref, dref));\n }\n\n static box (type) {\n let\n payload = Array.prototype.slice.call(arguments, 1),\n size = 8,\n i = payload.length,\n len = i,\n result;\n // calculate the total size we need to allocate\n while (i--) {\n size += payload[i].byteLength;\n }\n\n result = new Uint8Array(size);\n result[0] = (size >> 24) & 0xff;\n result[1] = (size >> 16) & 0xff;\n result[2] = (size >> 8) & 0xff;\n result[3] = size & 0xff;\n result.set(type, 4);\n // copy the payload into the result\n for (i = 0, size = 8; i < len; i++) {\n // copy payload[i] array @ offset size\n result.set(payload[i], size);\n size += payload[i].byteLength;\n }\n return result;\n }\n\n static hdlr (type) {\n return MP4.box(MP4.types.hdlr, MP4.HDLR_TYPES[type]);\n }\n\n static mdat (data) {\n return MP4.box(MP4.types.mdat, data);\n }\n\n static mdhd (timescale, duration) {\n duration *= timescale;\n const upperWordDuration = Math.floor(duration / (UINT32_MAX + 1));\n const lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n return MP4.box(MP4.types.mdhd, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (timescale >> 24) & 0xFF,\n (timescale >> 16) & 0xFF,\n (timescale >> 8) & 0xFF,\n timescale & 0xFF, // timescale\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x55, 0xc4, // 'und' language (undetermined)\n 0x00, 0x00\n ]));\n }\n\n static mdia (track) {\n return MP4.box(MP4.types.mdia, MP4.mdhd(track.timescale, track.duration), MP4.hdlr(track.type), MP4.minf(track));\n }\n\n static mfhd (sequenceNumber) {\n return MP4.box(MP4.types.mfhd, new Uint8Array([\n 0x00,\n 0x00, 0x00, 0x00, // flags\n (sequenceNumber >> 24),\n (sequenceNumber >> 16) & 0xFF,\n (sequenceNumber >> 8) & 0xFF,\n sequenceNumber & 0xFF // sequence_number\n ]));\n }\n\n static minf (track) {\n if (track.type === 'audio') {\n return MP4.box(MP4.types.minf, MP4.box(MP4.types.smhd, MP4.SMHD), MP4.DINF, MP4.stbl(track));\n } else {\n return MP4.box(MP4.types.minf, MP4.box(MP4.types.vmhd, MP4.VMHD), MP4.DINF, MP4.stbl(track));\n }\n }\n\n static moof (sn, baseMediaDecodeTime, track) {\n return MP4.box(MP4.types.moof, MP4.mfhd(sn), MP4.traf(track, baseMediaDecodeTime));\n }\n /**\n * @param tracks... (optional) {array} the tracks associated with this movie\n */\n static moov (tracks) {\n let\n i = tracks.length,\n boxes = [];\n\n while (i--) {\n boxes[i] = MP4.trak(tracks[i]);\n }\n\n return MP4.box.apply(null, [MP4.types.moov, MP4.mvhd(tracks[0].timescale, tracks[0].duration)].concat(boxes).concat(MP4.mvex(tracks)));\n }\n\n static mvex (tracks) {\n let\n i = tracks.length,\n boxes = [];\n\n while (i--) {\n boxes[i] = MP4.trex(tracks[i]);\n }\n\n return MP4.box.apply(null, [MP4.types.mvex].concat(boxes));\n }\n\n static mvhd (timescale, duration) {\n duration *= timescale;\n const upperWordDuration = Math.floor(duration / (UINT32_MAX + 1));\n const lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n let\n bytes = new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (timescale >> 24) & 0xFF,\n (timescale >> 16) & 0xFF,\n (timescale >> 8) & 0xFF,\n timescale & 0xFF, // timescale\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x00, 0x01, 0x00, 0x00, // 1.0 rate\n 0x01, 0x00, // 1.0 volume\n 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0xff, 0xff, 0xff, 0xff // next_track_ID\n ]);\n return MP4.box(MP4.types.mvhd, bytes);\n }\n\n static sdtp (track) {\n let\n samples = track.samples || [],\n bytes = new Uint8Array(4 + samples.length),\n flags,\n i;\n // leave the full box header (4 bytes) all zero\n // write the sample table\n for (i = 0; i < samples.length; i++) {\n flags = samples[i].flags;\n bytes[i + 4] = (flags.dependsOn << 4) |\n (flags.isDependedOn << 2) |\n (flags.hasRedundancy);\n }\n\n return MP4.box(MP4.types.sdtp, bytes);\n }\n\n static stbl (track) {\n return MP4.box(MP4.types.stbl, MP4.stsd(track), MP4.box(MP4.types.stts, MP4.STTS), MP4.box(MP4.types.stsc, MP4.STSC), MP4.box(MP4.types.stsz, MP4.STSZ), MP4.box(MP4.types.stco, MP4.STCO));\n }\n\n static avc1 (track) {\n let sps = [], pps = [], i, data, len;\n // assemble the SPSs\n\n for (i = 0; i < track.sps.length; i++) {\n data = track.sps[i];\n len = data.byteLength;\n sps.push((len >>> 8) & 0xFF);\n sps.push((len & 0xFF));\n\n // SPS\n sps = sps.concat(Array.prototype.slice.call(data));\n }\n\n // assemble the PPSs\n for (i = 0; i < track.pps.length; i++) {\n data = track.pps[i];\n len = data.byteLength;\n pps.push((len >>> 8) & 0xFF);\n pps.push((len & 0xFF));\n\n pps = pps.concat(Array.prototype.slice.call(data));\n }\n\n let avcc = MP4.box(MP4.types.avcC, new Uint8Array([\n 0x01, // version\n sps[3], // profile\n sps[4], // profile compat\n sps[5], // level\n 0xfc | 3, // lengthSizeMinusOne, hard-coded to 4 bytes\n 0xE0 | track.sps.length // 3bit reserved (111) + numOfSequenceParameterSets\n ].concat(sps).concat([\n track.pps.length // numOfPictureParameterSets\n ]).concat(pps))), // \"PPS\"\n width = track.width,\n height = track.height,\n hSpacing = track.pixelRatio[0],\n vSpacing = track.pixelRatio[1];\n\n return MP4.box(MP4.types.avc1, new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, // pre_defined\n 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n (width >> 8) & 0xFF,\n width & 0xff, // width\n (height >> 8) & 0xFF,\n height & 0xff, // height\n 0x00, 0x48, 0x00, 0x00, // horizresolution\n 0x00, 0x48, 0x00, 0x00, // vertresolution\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // frame_count\n 0x12,\n 0x64, 0x61, 0x69, 0x6C, // dailymotion/hls.js\n 0x79, 0x6D, 0x6F, 0x74,\n 0x69, 0x6F, 0x6E, 0x2F,\n 0x68, 0x6C, 0x73, 0x2E,\n 0x6A, 0x73, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, // compressorname\n 0x00, 0x18, // depth = 24\n 0x11, 0x11]), // pre_defined = -1\n avcc,\n MP4.box(MP4.types.btrt, new Uint8Array([\n 0x00, 0x1c, 0x9c, 0x80, // bufferSizeDB\n 0x00, 0x2d, 0xc6, 0xc0, // maxBitrate\n 0x00, 0x2d, 0xc6, 0xc0])), // avgBitrate\n MP4.box(MP4.types.pasp, new Uint8Array([\n (hSpacing >> 24), // hSpacing\n (hSpacing >> 16) & 0xFF,\n (hSpacing >> 8) & 0xFF,\n hSpacing & 0xFF,\n (vSpacing >> 24), // vSpacing\n (vSpacing >> 16) & 0xFF,\n (vSpacing >> 8) & 0xFF,\n vSpacing & 0xFF]))\n );\n }\n\n static esds (track) {\n let configlen = track.config.length;\n return new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n\n 0x03, // descriptor_type\n 0x17 + configlen, // length\n 0x00, 0x01, // es_id\n 0x00, // stream_priority\n\n 0x04, // descriptor_type\n 0x0f + configlen, // length\n 0x40, // codec : mpeg4_audio\n 0x15, // stream_type\n 0x00, 0x00, 0x00, // buffer_size\n 0x00, 0x00, 0x00, 0x00, // maxBitrate\n 0x00, 0x00, 0x00, 0x00, // avgBitrate\n\n 0x05 // descriptor_type\n ].concat([configlen]).concat(track.config).concat([0x06, 0x01, 0x02])); // GASpecificConfig)); // length + audio config descriptor\n }\n\n static mp4a (track) {\n let samplerate = track.samplerate;\n return MP4.box(MP4.types.mp4a, new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, track.channelCount, // channelcount\n 0x00, 0x10, // sampleSize:16bits\n 0x00, 0x00, 0x00, 0x00, // reserved2\n (samplerate >> 8) & 0xFF,\n samplerate & 0xff, //\n 0x00, 0x00]),\n MP4.box(MP4.types.esds, MP4.esds(track)));\n }\n\n static mp3 (track) {\n let samplerate = track.samplerate;\n return MP4.box(MP4.types['.mp3'], new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, track.channelCount, // channelcount\n 0x00, 0x10, // sampleSize:16bits\n 0x00, 0x00, 0x00, 0x00, // reserved2\n (samplerate >> 8) & 0xFF,\n samplerate & 0xff, //\n 0x00, 0x00]));\n }\n\n static stsd (track) {\n if (track.type === 'audio') {\n if (!track.isAAC && track.codec === 'mp3') {\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp3(track));\n }\n\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp4a(track));\n } else {\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.avc1(track));\n }\n }\n\n static tkhd (track) {\n let id = track.id,\n duration = track.duration * track.timescale,\n width = track.width,\n height = track.height,\n upperWordDuration = Math.floor(duration / (UINT32_MAX + 1)),\n lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n return MP4.box(MP4.types.tkhd, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x07, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (id >> 24) & 0xFF,\n (id >> 16) & 0xFF,\n (id >> 8) & 0xFF,\n id & 0xFF, // track_ID\n 0x00, 0x00, 0x00, 0x00, // reserved\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, // layer\n 0x00, 0x00, // alternate_group\n 0x00, 0x00, // non-audio track volume\n 0x00, 0x00, // reserved\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n (width >> 8) & 0xFF,\n width & 0xFF,\n 0x00, 0x00, // width\n (height >> 8) & 0xFF,\n height & 0xFF,\n 0x00, 0x00 // height\n ]));\n }\n\n static traf (track, baseMediaDecodeTime) {\n let sampleDependencyTable = MP4.sdtp(track),\n id = track.id,\n upperWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1)),\n lowerWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1));\n return MP4.box(MP4.types.traf,\n MP4.box(MP4.types.tfhd, new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n (id >> 24),\n (id >> 16) & 0XFF,\n (id >> 8) & 0XFF,\n (id & 0xFF) // track_ID\n ])),\n MP4.box(MP4.types.tfdt, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n (upperWordBaseMediaDecodeTime >> 24),\n (upperWordBaseMediaDecodeTime >> 16) & 0XFF,\n (upperWordBaseMediaDecodeTime >> 8) & 0XFF,\n (upperWordBaseMediaDecodeTime & 0xFF),\n (lowerWordBaseMediaDecodeTime >> 24),\n (lowerWordBaseMediaDecodeTime >> 16) & 0XFF,\n (lowerWordBaseMediaDecodeTime >> 8) & 0XFF,\n (lowerWordBaseMediaDecodeTime & 0xFF)\n ])),\n MP4.trun(track,\n sampleDependencyTable.length +\n 16 + // tfhd\n 20 + // tfdt\n 8 + // traf header\n 16 + // mfhd\n 8 + // moof header\n 8), // mdat header\n sampleDependencyTable);\n }\n\n /**\n * Generate a track box.\n * @param track {object} a track definition\n * @return {Uint8Array} the track box\n */\n static trak (track) {\n track.duration = track.duration || 0xffffffff;\n return MP4.box(MP4.types.trak, MP4.tkhd(track), MP4.mdia(track));\n }\n\n static trex (track) {\n let id = track.id;\n return MP4.box(MP4.types.trex, new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n (id >> 24),\n (id >> 16) & 0XFF,\n (id >> 8) & 0XFF,\n (id & 0xFF), // track_ID\n 0x00, 0x00, 0x00, 0x01, // default_sample_description_index\n 0x00, 0x00, 0x00, 0x00, // default_sample_duration\n 0x00, 0x00, 0x00, 0x00, // default_sample_size\n 0x00, 0x01, 0x00, 0x01 // default_sample_flags\n ]));\n }\n\n static trun (track, offset) {\n let samples = track.samples || [],\n len = samples.length,\n arraylen = 12 + (16 * len),\n array = new Uint8Array(arraylen),\n i, sample, duration, size, flags, cts;\n offset += 8 + arraylen;\n array.set([\n 0x00, // version 0\n 0x00, 0x0f, 0x01, // flags\n (len >>> 24) & 0xFF,\n (len >>> 16) & 0xFF,\n (len >>> 8) & 0xFF,\n len & 0xFF, // sample_count\n (offset >>> 24) & 0xFF,\n (offset >>> 16) & 0xFF,\n (offset >>> 8) & 0xFF,\n offset & 0xFF // data_offset\n ], 0);\n for (i = 0; i < len; i++) {\n sample = samples[i];\n duration = sample.duration;\n size = sample.size;\n flags = sample.flags;\n cts = sample.cts;\n array.set([\n (duration >>> 24) & 0xFF,\n (duration >>> 16) & 0xFF,\n (duration >>> 8) & 0xFF,\n duration & 0xFF, // sample_duration\n (size >>> 24) & 0xFF,\n (size >>> 16) & 0xFF,\n (size >>> 8) & 0xFF,\n size & 0xFF, // sample_size\n (flags.isLeading << 2) | flags.dependsOn,\n (flags.isDependedOn << 6) |\n (flags.hasRedundancy << 4) |\n (flags.paddingValue << 1) |\n flags.isNonSync,\n flags.degradPrio & 0xF0 << 8,\n flags.degradPrio & 0x0F, // sample_flags\n (cts >>> 24) & 0xFF,\n (cts >>> 16) & 0xFF,\n (cts >>> 8) & 0xFF,\n cts & 0xFF // sample_composition_time_offset\n ], 12 + 16 * i);\n }\n return MP4.box(MP4.types.trun, array);\n }\n\n static initSegment (tracks) {\n if (!MP4.types) {\n MP4.init();\n }\n\n let movie = MP4.moov(tracks), result;\n result = new Uint8Array(MP4.FTYP.byteLength + movie.byteLength);\n result.set(MP4.FTYP);\n result.set(movie, MP4.FTYP.byteLength);\n return result;\n }\n}\n\nexport default MP4;\n","const MPEG_TS_CLOCK_FREQ_HZ = 90000;\n\nexport function toTimescaleFromScale (value, destScale: number, srcScale: number = 1, round: boolean = false): number {\n return toTimescaleFromBase(value, destScale, 1 / srcScale);\n}\n\nexport function toTimescaleFromBase (value, destScale: number, srcBase: number = 1, round: boolean = false): number {\n const result = value * destScale * srcBase; // equivalent to `(value * scale) / (1 / base)`\n return round ? Math.round(result) : result;\n}\n\nexport function toMsFromMpegTsClock (value: number, round: boolean = false): number {\n return toTimescaleFromBase(value, 1000, 1 / MPEG_TS_CLOCK_FREQ_HZ, round);\n}\n\nexport function toMpegTsClockFromTimescale (value: number, srcScale: number = 1): number {\n return toTimescaleFromBase(value, MPEG_TS_CLOCK_FREQ_HZ, 1 / srcScale);\n}\n","/**\n * fMP4 remuxer\n*/\n\nimport AAC from './aac-helper';\nimport MP4 from './mp4-generator';\n\nimport Event from '../events';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\nimport { toMsFromMpegTsClock, toMpegTsClockFromTimescale, toTimescaleFromScale } from '../utils/timescale-conversion';\n\nimport { logger } from '../utils/logger';\n\nconst MAX_SILENT_FRAME_DURATION_90KHZ = toMpegTsClockFromTimescale(10);\nconst PTS_DTS_SHIFT_TOLERANCE_90KHZ = toMpegTsClockFromTimescale(0.2);\n\nclass MP4Remuxer {\n constructor (observer, config, typeSupported, vendor) {\n this.observer = observer;\n this.config = config;\n this.typeSupported = typeSupported;\n const userAgent = navigator.userAgent;\n this.isSafari = vendor && vendor.indexOf('Apple') > -1 && userAgent && !userAgent.match('CriOS');\n this.ISGenerated = false;\n }\n\n destroy () {\n }\n\n resetTimeStamp (defaultTimeStamp) {\n this._initPTS = this._initDTS = defaultTimeStamp;\n }\n\n resetInitSegment () {\n this.ISGenerated = false;\n }\n\n remux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n // generate Init Segment if needed\n if (!this.ISGenerated) {\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n\n if (this.ISGenerated) {\n const nbAudioSamples = audioTrack.samples.length;\n const nbVideoSamples = videoTrack.samples.length;\n let audioTimeOffset = timeOffset;\n let videoTimeOffset = timeOffset;\n if (nbAudioSamples && nbVideoSamples) {\n // timeOffset is expected to be the offset of the first timestamp of this fragment (first DTS)\n // if first audio DTS is not aligned with first video DTS then we need to take that into account\n // when providing timeOffset to remuxAudio / remuxVideo. if we don't do that, there might be a permanent / small\n // drift between audio and video streams\n let audiovideoDeltaDts = (audioTrack.samples[0].pts - videoTrack.samples[0].pts) / videoTrack.inputTimeScale;\n audioTimeOffset += Math.max(0, audiovideoDeltaDts);\n videoTimeOffset += Math.max(0, -audiovideoDeltaDts);\n }\n // Purposefully remuxing audio before video, so that remuxVideo can use nextAudioPts, which is\n // calculated in remuxAudio.\n // logger.log('nb AAC samples:' + audioTrack.samples.length);\n if (nbAudioSamples) {\n // if initSegment was generated without video samples, regenerate it again\n if (!audioTrack.timescale) {\n logger.warn('regenerate InitSegment as audio detected');\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n let audioData = this.remuxAudio(audioTrack, audioTimeOffset, contiguous, accurateTimeOffset);\n // logger.log('nb AVC samples:' + videoTrack.samples.length);\n if (nbVideoSamples) {\n let audioTrackLength;\n if (audioData) {\n audioTrackLength = audioData.endPTS - audioData.startPTS;\n }\n\n // if initSegment was generated without video samples, regenerate it again\n if (!videoTrack.timescale) {\n logger.warn('regenerate InitSegment as video detected');\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n this.remuxVideo(videoTrack, videoTimeOffset, contiguous, audioTrackLength, accurateTimeOffset);\n }\n } else {\n // logger.log('nb AVC samples:' + videoTrack.samples.length);\n if (nbVideoSamples) {\n let videoData = this.remuxVideo(videoTrack, videoTimeOffset, contiguous, 0, accurateTimeOffset);\n if (videoData && audioTrack.codec) {\n this.remuxEmptyAudio(audioTrack, audioTimeOffset, contiguous, videoData);\n }\n }\n }\n }\n // logger.log('nb ID3 samples:' + audioTrack.samples.length);\n if (id3Track.samples.length) {\n this.remuxID3(id3Track, timeOffset);\n }\n\n // logger.log('nb ID3 samples:' + audioTrack.samples.length);\n if (textTrack.samples.length) {\n this.remuxText(textTrack, timeOffset);\n }\n\n // notify end of parsing\n this.observer.trigger(Event.FRAG_PARSED);\n }\n\n generateIS (audioTrack, videoTrack, timeOffset) {\n let observer = this.observer,\n audioSamples = audioTrack.samples,\n videoSamples = videoTrack.samples,\n typeSupported = this.typeSupported,\n container = 'audio/mp4',\n tracks = {},\n data = { tracks: tracks },\n computePTSDTS = (this._initPTS === undefined),\n initPTS, initDTS;\n\n if (computePTSDTS) {\n initPTS = initDTS = Infinity;\n }\n\n if (audioTrack.config && audioSamples.length) {\n // let's use audio sampling rate as MP4 time scale.\n // rationale is that there is a integer nb of audio frames per audio sample (1024 for AAC)\n // using audio sampling rate here helps having an integer MP4 frame duration\n // this avoids potential rounding issue and AV sync issue\n audioTrack.timescale = audioTrack.samplerate;\n logger.log(`audio sampling rate : ${audioTrack.samplerate}`);\n if (!audioTrack.isAAC) {\n if (typeSupported.mpeg) { // Chrome and Safari\n container = 'audio/mpeg';\n audioTrack.codec = '';\n } else if (typeSupported.mp3) { // Firefox\n audioTrack.codec = 'mp3';\n }\n }\n tracks.audio = {\n container: container,\n codec: audioTrack.codec,\n initSegment: !audioTrack.isAAC && typeSupported.mpeg ? new Uint8Array() : MP4.initSegment([audioTrack]),\n metadata: {\n channelCount: audioTrack.channelCount\n }\n };\n if (computePTSDTS) {\n // remember first PTS of this demuxing context. for audio, PTS = DTS\n initPTS = initDTS = audioSamples[0].pts - audioTrack.inputTimeScale * timeOffset;\n }\n }\n\n if (videoTrack.sps && videoTrack.pps && videoSamples.length) {\n // let's use input time scale as MP4 video timescale\n // we use input time scale straight away to avoid rounding issues on frame duration / cts computation\n const inputTimeScale = videoTrack.inputTimeScale;\n videoTrack.timescale = inputTimeScale;\n tracks.video = {\n container: 'video/mp4',\n codec: videoTrack.codec,\n initSegment: MP4.initSegment([videoTrack]),\n metadata: {\n width: videoTrack.width,\n height: videoTrack.height\n }\n };\n if (computePTSDTS) {\n initPTS = Math.min(initPTS, videoSamples[0].pts - inputTimeScale * timeOffset);\n initDTS = Math.min(initDTS, videoSamples[0].dts - inputTimeScale * timeOffset);\n this.observer.trigger(Event.INIT_PTS_FOUND, { initPTS: initPTS });\n }\n }\n\n if (Object.keys(tracks).length) {\n observer.trigger(Event.FRAG_PARSING_INIT_SEGMENT, data);\n this.ISGenerated = true;\n if (computePTSDTS) {\n this._initPTS = initPTS;\n this._initDTS = initDTS;\n }\n } else {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: false, reason: 'no audio/video samples found' });\n }\n }\n\n remuxVideo (track, timeOffset, contiguous, audioTrackLength, accurateTimeOffset) {\n let offset = 8;\n let mp4SampleDuration;\n let mdat;\n let moof;\n let firstPTS;\n let firstDTS;\n let lastPTS;\n let lastDTS;\n const timeScale = track.timescale;\n const inputSamples = track.samples;\n const outputSamples = [];\n const nbSamples = inputSamples.length;\n const ptsNormalize = this._PTSNormalize;\n const initPTS = this._initPTS;\n\n // if parsed fragment is contiguous with last one, let's use last DTS value as reference\n let nextAvcDts = this.nextAvcDts;\n\n const isSafari = this.isSafari;\n\n if (nbSamples === 0) {\n return;\n }\n\n // Safari does not like overlapping DTS on consecutive fragments. let's use nextAvcDts to overcome this if fragments are consecutive\n if (isSafari) {\n // also consider consecutive fragments as being contiguous (even if a level switch occurs),\n // for sake of clarity:\n // consecutive fragments are frags with\n // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR\n // - less than 200 ms PTS gaps (timeScale/5)\n contiguous |= (inputSamples.length && nextAvcDts &&\n ((accurateTimeOffset && Math.abs(timeOffset - nextAvcDts / timeScale) < 0.1) ||\n Math.abs((inputSamples[0].pts - nextAvcDts - initPTS)) < timeScale / 5)\n );\n }\n\n if (!contiguous) {\n // if not contiguous, let's use target timeOffset\n nextAvcDts = timeOffset * timeScale;\n }\n\n // PTS is coded on 33bits, and can loop from -2^32 to 2^32\n // ptsNormalize will make PTS/DTS value monotonic, we use last known DTS value as reference value\n inputSamples.forEach(function (sample) {\n sample.pts = ptsNormalize(sample.pts - initPTS, nextAvcDts);\n sample.dts = ptsNormalize(sample.dts - initPTS, nextAvcDts);\n });\n\n // sort video samples by DTS then PTS then demux id order\n inputSamples.sort(function (a, b) {\n const deltadts = a.dts - b.dts;\n const deltapts = a.pts - b.pts;\n return deltadts || (deltapts || (a.id - b.id));\n });\n\n // handle broken streams with PTS < DTS, tolerance up 0.2 seconds\n let PTSDTSshift = inputSamples.reduce((prev, curr) => Math.max(Math.min(prev, curr.pts - curr.dts), -1 * PTS_DTS_SHIFT_TOLERANCE_90KHZ), 0);\n if (PTSDTSshift < 0) {\n logger.warn(`PTS < DTS detected in video samples, shifting DTS by ${toMsFromMpegTsClock(PTSDTSshift, true)} ms to overcome this issue`);\n for (let i = 0; i < inputSamples.length; i++) {\n inputSamples[i].dts += PTSDTSshift;\n }\n }\n\n // compute first DTS and last DTS, normalize them against reference value\n let sample = inputSamples[0];\n firstDTS = Math.max(sample.dts, 0);\n firstPTS = Math.max(sample.pts, 0);\n\n // check timestamp continuity accross consecutive fragments (this is to remove inter-fragment gap/hole)\n let delta = firstDTS - nextAvcDts;\n // if fragment are contiguous, detect hole/overlapping between fragments\n if (contiguous) {\n if (delta) {\n if (delta > 1) {\n logger.log(`AVC: ${toMsFromMpegTsClock(delta, true)} ms hole between fragments detected,filling it`);\n } else if (delta < -1) {\n logger.log(`AVC: ${toMsFromMpegTsClock(-delta, true)} ms overlapping between fragments detected`);\n }\n\n // remove hole/gap : set DTS to next expected DTS\n firstDTS = nextAvcDts;\n inputSamples[0].dts = firstDTS;\n // offset PTS as well, ensure that PTS is smaller or equal than new DTS\n firstPTS = Math.max(firstPTS - delta, nextAvcDts);\n inputSamples[0].pts = firstPTS;\n logger.log(`Video: PTS/DTS adjusted: ${toMsFromMpegTsClock(firstPTS, true)}/${toMsFromMpegTsClock(firstDTS, true)}, delta: ${toMsFromMpegTsClock(delta, true)} ms`);\n }\n }\n\n // compute lastPTS/lastDTS\n sample = inputSamples[inputSamples.length - 1];\n lastDTS = Math.max(sample.dts, 0);\n lastPTS = Math.max(sample.pts, 0, lastDTS);\n\n // on Safari let's signal the same sample duration for all samples\n // sample duration (as expected by trun MP4 boxes), should be the delta between sample DTS\n // set this constant duration as being the avg delta between consecutive DTS.\n if (isSafari) {\n mp4SampleDuration = Math.round((lastDTS - firstDTS) / (inputSamples.length - 1));\n }\n\n let nbNalu = 0, naluLen = 0;\n for (let i = 0; i < nbSamples; i++) {\n // compute total/avc sample length and nb of NAL units\n let sample = inputSamples[i], units = sample.units, nbUnits = units.length, sampleLen = 0;\n for (let j = 0; j < nbUnits; j++) {\n sampleLen += units[j].data.length;\n }\n\n naluLen += sampleLen;\n nbNalu += nbUnits;\n sample.length = sampleLen;\n\n // normalize PTS/DTS\n if (isSafari) {\n // sample DTS is computed using a constant decoding offset (mp4SampleDuration) between samples\n sample.dts = firstDTS + i * mp4SampleDuration;\n } else {\n // ensure sample monotonic DTS\n sample.dts = Math.max(sample.dts, firstDTS);\n }\n // ensure that computed value is greater or equal than sample DTS\n sample.pts = Math.max(sample.pts, sample.dts);\n }\n\n /* concatenate the video data and construct the mdat in place\n (need 8 more bytes to fill length and mpdat type) */\n let mdatSize = naluLen + (4 * nbNalu) + 8;\n try {\n mdat = new Uint8Array(mdatSize);\n } catch (err) {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MUX_ERROR, details: ErrorDetails.REMUX_ALLOC_ERROR, fatal: false, bytes: mdatSize, reason: `fail allocating video mdat ${mdatSize}` });\n return;\n }\n let view = new DataView(mdat.buffer);\n view.setUint32(0, mdatSize);\n mdat.set(MP4.types.mdat, 4);\n\n for (let i = 0; i < nbSamples; i++) {\n let avcSample = inputSamples[i],\n avcSampleUnits = avcSample.units,\n mp4SampleLength = 0,\n compositionTimeOffset;\n // convert NALU bitstream to MP4 format (prepend NALU with size field)\n for (let j = 0, nbUnits = avcSampleUnits.length; j < nbUnits; j++) {\n let unit = avcSampleUnits[j],\n unitData = unit.data,\n unitDataLen = unit.data.byteLength;\n view.setUint32(offset, unitDataLen);\n offset += 4;\n mdat.set(unitData, offset);\n offset += unitDataLen;\n mp4SampleLength += 4 + unitDataLen;\n }\n\n if (!isSafari) {\n // expected sample duration is the Decoding Timestamp diff of consecutive samples\n if (i < nbSamples - 1) {\n mp4SampleDuration = inputSamples[i + 1].dts - avcSample.dts;\n } else {\n let config = this.config,\n lastFrameDuration = avcSample.dts - inputSamples[i > 0 ? i - 1 : i].dts;\n if (config.stretchShortVideoTrack) {\n // In some cases, a segment's audio track duration may exceed the video track duration.\n // Since we've already remuxed audio, and we know how long the audio track is, we look to\n // see if the delta to the next segment is longer than maxBufferHole.\n // If so, playback would potentially get stuck, so we artificially inflate\n // the duration of the last frame to minimize any potential gap between segments.\n let maxBufferHole = config.maxBufferHole,\n gapTolerance = Math.floor(maxBufferHole * timeScale),\n deltaToFrameEnd = (audioTrackLength ? firstPTS + audioTrackLength * timeScale : this.nextAudioPts) - avcSample.pts;\n if (deltaToFrameEnd > gapTolerance) {\n // We subtract lastFrameDuration from deltaToFrameEnd to try to prevent any video\n // frame overlap. maxBufferHole should be >> lastFrameDuration anyway.\n mp4SampleDuration = deltaToFrameEnd - lastFrameDuration;\n if (mp4SampleDuration < 0) {\n mp4SampleDuration = lastFrameDuration;\n }\n\n logger.log(`It is approximately ${toMsFromMpegTsClock(deltaToFrameEnd, false)} ms to the next segment; using duration ${toMsFromMpegTsClock(mp4SampleDuration, false)} ms for the last video frame.`);\n } else {\n mp4SampleDuration = lastFrameDuration;\n }\n } else {\n mp4SampleDuration = lastFrameDuration;\n }\n }\n compositionTimeOffset = Math.round(avcSample.pts - avcSample.dts);\n } else {\n compositionTimeOffset = Math.max(0, mp4SampleDuration * Math.round((avcSample.pts - avcSample.dts) / mp4SampleDuration));\n }\n\n // console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${avcSample.pts}/${avcSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(avcSample.pts/4294967296).toFixed(3)}');\n outputSamples.push({\n size: mp4SampleLength,\n // constant duration\n duration: mp4SampleDuration,\n cts: compositionTimeOffset,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: avcSample.key ? 2 : 1,\n isNonSync: avcSample.key ? 0 : 1\n }\n });\n }\n // next AVC sample DTS should be equal to last sample DTS + last sample duration (in PES timescale)\n this.nextAvcDts = lastDTS + mp4SampleDuration;\n let dropped = track.dropped;\n track.nbNalu = 0;\n track.dropped = 0;\n if (outputSamples.length && navigator.userAgent.toLowerCase().indexOf('chrome') > -1) {\n let flags = outputSamples[0].flags;\n // chrome workaround, mark first sample as being a Random Access Point to avoid sourcebuffer append issue\n // https://code.google.com/p/chromium/issues/detail?id=229412\n flags.dependsOn = 2;\n flags.isNonSync = 0;\n }\n track.samples = outputSamples;\n moof = MP4.moof(track.sequenceNumber++, firstDTS, track);\n track.samples = [];\n\n let data = {\n data1: moof,\n data2: mdat,\n startPTS: firstPTS / timeScale,\n endPTS: (lastPTS + mp4SampleDuration) / timeScale,\n startDTS: firstDTS / timeScale,\n endDTS: this.nextAvcDts / timeScale,\n type: 'video',\n hasAudio: false,\n hasVideo: true,\n nb: outputSamples.length,\n dropped: dropped\n };\n this.observer.trigger(Event.FRAG_PARSING_DATA, data);\n return data;\n }\n\n remuxAudio (track, timeOffset, contiguous, accurateTimeOffset) {\n const inputTimeScale = track.inputTimeScale;\n const mp4timeScale = track.timescale;\n const scaleFactor = inputTimeScale / mp4timeScale;\n const mp4SampleDuration = track.isAAC ? 1024 : 1152;\n const inputSampleDuration = mp4SampleDuration * scaleFactor;\n const ptsNormalize = this._PTSNormalize;\n const initPTS = this._initPTS;\n const rawMPEG = !track.isAAC && this.typeSupported.mpeg;\n\n let mp4Sample;\n let fillFrame;\n let mdat;\n let moof;\n let firstPTS;\n let lastPTS;\n let offset = (rawMPEG ? 0 : 8);\n let inputSamples = track.samples;\n let outputSamples = [];\n let nextAudioPts = this.nextAudioPts;\n\n // for audio samples, also consider consecutive fragments as being contiguous (even if a level switch occurs),\n // for sake of clarity:\n // consecutive fragments are frags with\n // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR\n // - less than 20 audio frames distance\n // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1)\n // this helps ensuring audio continuity\n // and this also avoids audio glitches/cut when switching quality, or reporting wrong duration on first audio frame\n contiguous |= (inputSamples.length && nextAudioPts &&\n ((accurateTimeOffset && Math.abs(timeOffset - nextAudioPts / inputTimeScale) < 0.1) ||\n Math.abs((inputSamples[0].pts - nextAudioPts - initPTS)) < 20 * inputSampleDuration)\n );\n\n // compute normalized PTS\n inputSamples.forEach(function (sample) {\n sample.pts = sample.dts = ptsNormalize(sample.pts - initPTS, timeOffset * inputTimeScale);\n });\n\n // filter out sample with negative PTS that are not playable anyway\n // if we don't remove these negative samples, they will shift all audio samples forward.\n // leading to audio overlap between current / next fragment\n inputSamples = inputSamples.filter(function (sample) {\n return sample.pts >= 0;\n });\n\n // in case all samples have negative PTS, and have been filtered out, return now\n if (inputSamples.length === 0) {\n return;\n }\n\n if (!contiguous) {\n if (!accurateTimeOffset) {\n // if frag are mot contiguous and if we cant trust time offset, let's use first sample PTS as next audio PTS\n nextAudioPts = inputSamples[0].pts;\n } else {\n // if timeOffset is accurate, let's use it as predicted next audio PTS\n nextAudioPts = timeOffset * inputTimeScale;\n }\n }\n\n // If the audio track is missing samples, the frames seem to get \"left-shifted\" within the\n // resulting mp4 segment, causing sync issues and leaving gaps at the end of the audio segment.\n // In an effort to prevent this from happening, we inject frames here where there are gaps.\n // When possible, we inject a silent frame; when that's not possible, we duplicate the last\n // frame.\n\n if (track.isAAC) {\n const maxAudioFramesDrift = this.config.maxAudioFramesDrift;\n for (let i = 0, nextPts = nextAudioPts; i < inputSamples.length;) {\n // First, let's see how far off this frame is from where we expect it to be\n var sample = inputSamples[i], delta;\n let pts = sample.pts;\n delta = pts - nextPts;\n\n // If we're overlapping by more than a duration, drop this sample\n if (delta <= -maxAudioFramesDrift * inputSampleDuration) {\n logger.warn(`Dropping 1 audio frame @ ${toMsFromMpegTsClock(nextPts, true)} ms due to ${toMsFromMpegTsClock(delta, true)} ms overlap.`);\n inputSamples.splice(i, 1);\n // Don't touch nextPtsNorm or i\n } // eslint-disable-line brace-style\n\n // Insert missing frames if:\n // 1: We're more than maxAudioFramesDrift frame away\n // 2: Not more than MAX_SILENT_FRAME_DURATION away\n // 3: currentTime (aka nextPtsNorm) is not 0\n else if (delta >= maxAudioFramesDrift * inputSampleDuration && delta < MAX_SILENT_FRAME_DURATION_90KHZ && nextPts) {\n let missing = Math.round(delta / inputSampleDuration);\n logger.warn(`Injecting ${missing} audio frames @ ${toMsFromMpegTsClock(nextPts, true)} ms due to ${toMsFromMpegTsClock(nextPts, true)} ms gap.`);\n for (let j = 0; j < missing; j++) {\n let newStamp = Math.max(nextPts, 0);\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n logger.log('Unable to get silent frame for given audio codec; duplicating last frame instead.');\n fillFrame = sample.unit.subarray();\n }\n inputSamples.splice(i, 0, { unit: fillFrame, pts: newStamp, dts: newStamp });\n nextPts += inputSampleDuration;\n i++;\n }\n\n // Adjust sample to next expected pts\n sample.pts = sample.dts = nextPts;\n nextPts += inputSampleDuration;\n i++;\n } else {\n // Otherwise, just adjust pts\n if (Math.abs(delta) > (0.1 * inputSampleDuration)) {\n // logger.log(`Invalid frame delta ${Math.round(delta + inputSampleDuration)} at PTS ${Math.round(pts / 90)} (should be ${Math.round(inputSampleDuration)}).`);\n }\n sample.pts = sample.dts = nextPts;\n nextPts += inputSampleDuration;\n i++;\n }\n }\n }\n\n // compute mdat size, as we eventually filtered/added some samples\n let nbSamples = inputSamples.length;\n let mdatSize = 0;\n while (nbSamples--) {\n mdatSize += inputSamples[nbSamples].unit.byteLength;\n }\n\n for (let j = 0, nbSamples = inputSamples.length; j < nbSamples; j++) {\n let audioSample = inputSamples[j];\n let unit = audioSample.unit;\n let pts = audioSample.pts;\n\n // logger.log(`Audio/PTS:${toMsFromMpegTsClock(pts, true)}`);\n // if not first sample\n\n if (lastPTS !== undefined) {\n mp4Sample.duration = Math.round((pts - lastPTS) / scaleFactor);\n } else {\n let delta = pts - nextAudioPts;\n let numMissingFrames = 0;\n\n // if fragment are contiguous, detect hole/overlapping between fragments\n // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1)\n if (contiguous && track.isAAC) {\n // log delta\n if (delta) {\n if (delta > 0 && delta < MAX_SILENT_FRAME_DURATION_90KHZ) {\n // Q: why do we have to round here, shouldn't this always result in an integer if timestamps are correct,\n // and if not, shouldn't we actually Math.ceil() instead?\n numMissingFrames = Math.round((pts - nextAudioPts) / inputSampleDuration);\n\n logger.log(`${toMsFromMpegTsClock(delta, true)} ms hole between AAC samples detected,filling it`);\n if (numMissingFrames > 0) {\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n fillFrame = unit.subarray();\n }\n\n mdatSize += numMissingFrames * fillFrame.length;\n }\n // if we have frame overlap, overlapping for more than half a frame duraion\n } else if (delta < -12) {\n // drop overlapping audio frames... browser will deal with it\n logger.log(`drop overlapping AAC sample, expected/parsed/delta: ${toMsFromMpegTsClock(nextAudioPts, true)} ms / ${toMsFromMpegTsClock(pts, true)} ms / ${toMsFromMpegTsClock(-delta, true)} ms`);\n mdatSize -= unit.byteLength;\n continue;\n }\n // set PTS/DTS to expected PTS/DTS\n pts = nextAudioPts;\n }\n }\n // remember first PTS of our audioSamples\n firstPTS = pts;\n if (mdatSize > 0) {\n mdatSize += offset;\n try {\n mdat = new Uint8Array(mdatSize);\n } catch (err) {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MUX_ERROR, details: ErrorDetails.REMUX_ALLOC_ERROR, fatal: false, bytes: mdatSize, reason: `fail allocating audio mdat ${mdatSize}` });\n return;\n }\n if (!rawMPEG) {\n const view = new DataView(mdat.buffer);\n view.setUint32(0, mdatSize);\n mdat.set(MP4.types.mdat, 4);\n }\n } else {\n // no audio samples\n return;\n }\n for (let i = 0; i < numMissingFrames; i++) {\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n logger.log('Unable to get silent frame for given audio codec; duplicating this frame instead.');\n fillFrame = unit.subarray();\n }\n mdat.set(fillFrame, offset);\n offset += fillFrame.byteLength;\n mp4Sample = {\n size: fillFrame.byteLength,\n cts: 0,\n duration: 1024,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: 1\n }\n };\n outputSamples.push(mp4Sample);\n }\n }\n mdat.set(unit, offset);\n let unitLen = unit.byteLength;\n offset += unitLen;\n // console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${audioSample.pts}/${audioSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(audioSample.pts/4294967296).toFixed(3)}');\n mp4Sample = {\n size: unitLen,\n cts: 0,\n duration: 0,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: 1\n }\n };\n outputSamples.push(mp4Sample);\n lastPTS = pts;\n }\n let lastSampleDuration = 0;\n nbSamples = outputSamples.length;\n // set last sample duration as being identical to previous sample\n if (nbSamples >= 2) {\n lastSampleDuration = outputSamples[nbSamples - 2].duration;\n mp4Sample.duration = lastSampleDuration;\n }\n if (nbSamples) {\n // next audio sample PTS should be equal to last sample PTS + duration\n this.nextAudioPts = nextAudioPts = lastPTS + scaleFactor * lastSampleDuration;\n // logger.log('Audio/PTS/PTSend:' + audioSample.pts.toFixed(0) + '/' + this.nextAacDts.toFixed(0));\n track.samples = outputSamples;\n if (rawMPEG) {\n moof = new Uint8Array();\n } else {\n moof = MP4.moof(track.sequenceNumber++, firstPTS / scaleFactor, track);\n }\n\n track.samples = [];\n const start = firstPTS / inputTimeScale;\n const end = nextAudioPts / inputTimeScale;\n const audioData = {\n data1: moof,\n data2: mdat,\n startPTS: start,\n endPTS: end,\n startDTS: start,\n endDTS: end,\n type: 'audio',\n hasAudio: true,\n hasVideo: false,\n nb: nbSamples\n };\n this.observer.trigger(Event.FRAG_PARSING_DATA, audioData);\n return audioData;\n }\n return null;\n }\n\n remuxEmptyAudio (track, timeOffset, contiguous, videoData) {\n let inputTimeScale = track.inputTimeScale;\n let mp4timeScale = track.samplerate ? track.samplerate : inputTimeScale;\n let scaleFactor = inputTimeScale / mp4timeScale;\n let nextAudioPts = this.nextAudioPts;\n\n // sync with video's timestamp\n let startDTS = (nextAudioPts !== undefined ? nextAudioPts : videoData.startDTS * inputTimeScale) + this._initDTS;\n let endDTS = videoData.endDTS * inputTimeScale + this._initDTS;\n // one sample's duration value\n let sampleDuration = 1024;\n let frameDuration = scaleFactor * sampleDuration;\n\n // samples count of this segment's duration\n let nbSamples = Math.ceil((endDTS - startDTS) / frameDuration);\n\n // silent frame\n let silentFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n\n logger.warn('remux empty Audio');\n // Can't remux if we can't generate a silent frame...\n if (!silentFrame) {\n logger.trace('Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!');\n return;\n }\n\n let samples = [];\n for (let i = 0; i < nbSamples; i++) {\n let stamp = startDTS + i * frameDuration;\n samples.push({ unit: silentFrame, pts: stamp, dts: stamp });\n }\n track.samples = samples;\n\n this.remuxAudio(track, timeOffset, contiguous);\n }\n\n remuxID3 (track) {\n let length = track.samples.length, sample;\n const inputTimeScale = track.inputTimeScale;\n const initPTS = this._initPTS;\n const initDTS = this._initDTS;\n // consume samples\n if (length) {\n for (let index = 0; index < length; index++) {\n sample = track.samples[index];\n // setting id3 pts, dts to relative time\n // using this._initPTS and this._initDTS to calculate relative time\n sample.pts = ((sample.pts - initPTS) / inputTimeScale);\n sample.dts = ((sample.dts - initDTS) / inputTimeScale);\n }\n this.observer.trigger(Event.FRAG_PARSING_METADATA, {\n samples: track.samples\n });\n }\n\n track.samples = [];\n }\n\n remuxText (track) {\n track.samples.sort(function (a, b) {\n return (a.pts - b.pts);\n });\n\n let length = track.samples.length, sample;\n const inputTimeScale = track.inputTimeScale;\n const initPTS = this._initPTS;\n // consume samples\n if (length) {\n for (let index = 0; index < length; index++) {\n sample = track.samples[index];\n // setting text pts, dts to relative time\n // using this._initPTS and this._initDTS to calculate relative time\n sample.pts = ((sample.pts - initPTS) / inputTimeScale);\n }\n this.observer.trigger(Event.FRAG_PARSING_USERDATA, {\n samples: track.samples\n });\n }\n\n track.samples = [];\n }\n\n _PTSNormalize (value, reference) {\n let offset;\n if (reference === undefined) {\n return value;\n }\n\n if (reference < value) {\n // - 2^33\n offset = -8589934592;\n } else {\n // + 2^33\n offset = 8589934592;\n }\n /* PTS is 33bit (from 0 to 2^33 -1)\n if diff between value and reference is bigger than half of the amplitude (2^32) then it means that\n PTS looping occured. fill the gap */\n while (Math.abs(value - reference) > 4294967296) {\n value += offset;\n }\n\n return value;\n }\n}\n\nexport default MP4Remuxer;\n","/**\n * passthrough remuxer\n*/\nimport Event from '../events';\n\nclass PassThroughRemuxer {\n constructor (observer) {\n this.observer = observer;\n }\n\n destroy () {\n }\n\n resetTimeStamp () {\n }\n\n resetInitSegment () {\n }\n\n remux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset, rawData) {\n let observer = this.observer;\n let streamType = '';\n if (audioTrack) {\n streamType += 'audio';\n }\n\n if (videoTrack) {\n streamType += 'video';\n }\n\n observer.trigger(Event.FRAG_PARSING_DATA, {\n data1: rawData,\n startPTS: timeOffset,\n startDTS: timeOffset,\n type: streamType,\n hasAudio: !!audioTrack,\n hasVideo: !!videoTrack,\n nb: 1,\n dropped: 0\n });\n // notify end of parsing\n observer.trigger(Event.FRAG_PARSED);\n }\n}\n\nexport default PassThroughRemuxer;\n","/**\n *\n * inline demuxer: probe fragments and instantiate\n * appropriate demuxer depending on content type (TSDemuxer, AACDemuxer, ...)\n *\n */\n\nimport Event from '../events';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport Decrypter from '../crypt/decrypter';\nimport AACDemuxer from '../demux/aacdemuxer';\nimport MP4Demuxer from '../demux/mp4demuxer';\nimport TSDemuxer from '../demux/tsdemuxer';\nimport MP3Demuxer from '../demux/mp3demuxer';\nimport MP4Remuxer from '../remux/mp4-remuxer';\nimport PassThroughRemuxer from '../remux/passthrough-remuxer';\n\nimport { getSelfScope } from '../utils/get-self-scope';\nimport { logger } from '../utils/logger';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n\nlet now;\n// performance.now() not available on WebWorker, at least on Safari Desktop\ntry {\n now = global.performance.now.bind(global.performance);\n} catch (err) {\n logger.debug('Unable to use Performance API on this environment');\n now = global.Date.now;\n}\n\nclass DemuxerInline {\n constructor (observer, typeSupported, config, vendor) {\n this.observer = observer;\n this.typeSupported = typeSupported;\n this.config = config;\n this.vendor = vendor;\n }\n\n destroy () {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.destroy();\n }\n }\n\n push (data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) {\n if ((data.byteLength > 0) && (decryptdata != null) && (decryptdata.key != null) && (decryptdata.method === 'AES-128')) {\n let decrypter = this.decrypter;\n if (decrypter == null) {\n decrypter = this.decrypter = new Decrypter(this.observer, this.config);\n }\n\n const startTime = now();\n decrypter.decrypt(data, decryptdata.key.buffer, decryptdata.iv.buffer, (decryptedData) => {\n const endTime = now();\n this.observer.trigger(Event.FRAG_DECRYPTED, { stats: { tstart: startTime, tdecrypt: endTime } });\n this.pushDecrypted(new Uint8Array(decryptedData), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n });\n } else {\n this.pushDecrypted(new Uint8Array(data), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n }\n }\n\n pushDecrypted (data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) {\n let demuxer = this.demuxer;\n if (!demuxer ||\n // in case of continuity change, or track switch\n // we might switch from content type (AAC container to TS container, or TS to fmp4 for example)\n // so let's check that current demuxer is still valid\n ((discontinuity || trackSwitch) && !this.probe(data))) {\n const observer = this.observer;\n const typeSupported = this.typeSupported;\n const config = this.config;\n // probing order is TS/MP4/AAC/MP3\n const muxConfig = [\n { demux: TSDemuxer, remux: MP4Remuxer },\n { demux: MP4Demuxer, remux: PassThroughRemuxer },\n { demux: AACDemuxer, remux: MP4Remuxer },\n { demux: MP3Demuxer, remux: MP4Remuxer }\n ];\n\n // probe for content type\n for (let i = 0, len = muxConfig.length; i < len; i++) {\n const mux = muxConfig[i];\n const probe = mux.demux.probe;\n if (probe(data)) {\n const remuxer = this.remuxer = new mux.remux(observer, config, typeSupported, this.vendor);\n demuxer = new mux.demux(observer, remuxer, config, typeSupported);\n this.probe = probe;\n break;\n }\n }\n if (!demuxer) {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: true, reason: 'no demux matching with content found' });\n return;\n }\n this.demuxer = demuxer;\n }\n const remuxer = this.remuxer;\n\n if (discontinuity || trackSwitch) {\n demuxer.resetInitSegment(initSegment, audioCodec, videoCodec, duration);\n remuxer.resetInitSegment();\n }\n if (discontinuity) {\n demuxer.resetTimeStamp(defaultInitPTS);\n remuxer.resetTimeStamp(defaultInitPTS);\n }\n if (typeof demuxer.setDecryptData === 'function') {\n demuxer.setDecryptData(decryptdata);\n }\n\n demuxer.append(data, timeOffset, contiguous, accurateTimeOffset);\n }\n}\n\nexport default DemuxerInline;\n","/* demuxer web worker.\n * - listen to worker message, and trigger DemuxerInline upon reception of Fragments.\n * - provides MP4 Boxes back to main thread using [transferable objects](https://developers.google.com/web/updates/2011/12/Transferable-Objects-Lightning-Fast) in order to minimize message passing overhead.\n */\n\nimport DemuxerInline from '../demux/demuxer-inline';\nimport Event from '../events';\nimport { enableLogs } from '../utils/logger';\n\nimport { EventEmitter } from 'eventemitter3';\n\nlet DemuxerWorker = function (self) {\n // observer setup\n let observer = new EventEmitter();\n observer.trigger = function trigger (event, ...data) {\n observer.emit(event, event, ...data);\n };\n\n observer.off = function off (event, ...data) {\n observer.removeListener(event, ...data);\n };\n\n let forwardMessage = function (ev, data) {\n self.postMessage({ event: ev, data: data });\n };\n\n self.addEventListener('message', function (ev) {\n let data = ev.data;\n // console.log('demuxer cmd:' + data.cmd);\n switch (data.cmd) {\n case 'init':\n const config = JSON.parse(data.config);\n self.demuxer = new DemuxerInline(observer, data.typeSupported, config, data.vendor);\n\n enableLogs(config.debug);\n\n // signal end of worker init\n forwardMessage('init', null);\n break;\n case 'demux':\n self.demuxer.push(data.data, data.decryptdata, data.initSegment, data.audioCodec, data.videoCodec, data.timeOffset, data.discontinuity, data.trackSwitch, data.contiguous, data.duration, data.accurateTimeOffset, data.defaultInitPTS);\n break;\n default:\n break;\n }\n });\n\n // forward events to main thread\n observer.on(Event.FRAG_DECRYPTED, forwardMessage);\n observer.on(Event.FRAG_PARSING_INIT_SEGMENT, forwardMessage);\n observer.on(Event.FRAG_PARSED, forwardMessage);\n observer.on(Event.ERROR, forwardMessage);\n observer.on(Event.FRAG_PARSING_METADATA, forwardMessage);\n observer.on(Event.FRAG_PARSING_USERDATA, forwardMessage);\n observer.on(Event.INIT_PTS_FOUND, forwardMessage);\n\n // special case for FRAG_PARSING_DATA: pass data1/data2 as transferable object (no copy)\n observer.on(Event.FRAG_PARSING_DATA, function (ev, data) {\n let transferable = [];\n let message = { event: ev, data: data };\n if (data.data1) {\n message.data1 = data.data1.buffer;\n transferable.push(data.data1.buffer);\n delete data.data1;\n }\n if (data.data2) {\n message.data2 = data.data2.buffer;\n transferable.push(data.data2.buffer);\n delete data.data2;\n }\n self.postMessage(message, transferable);\n });\n};\n\nexport default DemuxerWorker;\n","import { getSelfScope } from '../utils/get-self-scope';\n\n/**\n * ID3 parser\n */\nclass ID3 {\n /**\n * Returns true if an ID3 header can be found at offset in data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {boolean} - True if an ID3 header is found\n */\n static isHeader (data, offset) {\n /*\n * http://id3.org/id3v2.3.0\n * [0] = 'I'\n * [1] = 'D'\n * [2] = '3'\n * [3,4] = {Version}\n * [5] = {Flags}\n * [6-9] = {ID3 Size}\n *\n * An ID3v2 tag can be detected with the following pattern:\n * $49 44 33 yy yy xx zz zz zz zz\n * Where yy is less than $FF, xx is the 'flags' byte and zz is less than $80\n */\n if (offset + 10 <= data.length) {\n // look for 'ID3' identifier\n if (data[offset] === 0x49 && data[offset + 1] === 0x44 && data[offset + 2] === 0x33) {\n // check version is within range\n if (data[offset + 3] < 0xFF && data[offset + 4] < 0xFF) {\n // check size is within range\n if (data[offset + 6] < 0x80 && data[offset + 7] < 0x80 && data[offset + 8] < 0x80 && data[offset + 9] < 0x80) {\n return true;\n }\n }\n }\n }\n\n return false;\n }\n\n /**\n * Returns true if an ID3 footer can be found at offset in data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {boolean} - True if an ID3 footer is found\n */\n static isFooter (data, offset) {\n /*\n * The footer is a copy of the header, but with a different identifier\n */\n if (offset + 10 <= data.length) {\n // look for '3DI' identifier\n if (data[offset] === 0x33 && data[offset + 1] === 0x44 && data[offset + 2] === 0x49) {\n // check version is within range\n if (data[offset + 3] < 0xFF && data[offset + 4] < 0xFF) {\n // check size is within range\n if (data[offset + 6] < 0x80 && data[offset + 7] < 0x80 && data[offset + 8] < 0x80 && data[offset + 9] < 0x80) {\n return true;\n }\n }\n }\n }\n\n return false;\n }\n\n /**\n * Returns any adjacent ID3 tags found in data starting at offset, as one block of data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {Uint8Array} - The block of data containing any ID3 tags found\n */\n static getID3Data (data, offset) {\n const front = offset;\n let length = 0;\n\n while (ID3.isHeader(data, offset)) {\n // ID3 header is 10 bytes\n length += 10;\n\n const size = ID3._readSize(data, offset + 6);\n length += size;\n\n if (ID3.isFooter(data, offset + 10)) {\n // ID3 footer is 10 bytes\n length += 10;\n }\n\n offset += length;\n }\n\n if (length > 0) {\n return data.subarray(front, front + length);\n }\n\n return undefined;\n }\n\n static _readSize (data, offset) {\n let size = 0;\n size = ((data[offset] & 0x7f) << 21);\n size |= ((data[offset + 1] & 0x7f) << 14);\n size |= ((data[offset + 2] & 0x7f) << 7);\n size |= (data[offset + 3] & 0x7f);\n return size;\n }\n\n /**\n * Searches for the Elementary Stream timestamp found in the ID3 data chunk\n * @param {Uint8Array} data - Block of data containing one or more ID3 tags\n * @return {number} - The timestamp\n */\n static getTimeStamp (data) {\n const frames = ID3.getID3Frames(data);\n for (let i = 0; i < frames.length; i++) {\n const frame = frames[i];\n if (ID3.isTimeStampFrame(frame)) {\n return ID3._readTimeStamp(frame);\n }\n }\n\n return undefined;\n }\n\n /**\n * Returns true if the ID3 frame is an Elementary Stream timestamp frame\n * @param {ID3 frame} frame\n */\n static isTimeStampFrame (frame) {\n return (frame && frame.key === 'PRIV' && frame.info === 'com.apple.streaming.transportStreamTimestamp');\n }\n\n static _getFrameData (data) {\n /*\n Frame ID $xx xx xx xx (four characters)\n Size $xx xx xx xx\n Flags $xx xx\n */\n const type = String.fromCharCode(data[0], data[1], data[2], data[3]);\n const size = ID3._readSize(data, 4);\n\n // skip frame id, size, and flags\n let offset = 10;\n\n return { type, size, data: data.subarray(offset, offset + size) };\n }\n\n /**\n * Returns an array of ID3 frames found in all the ID3 tags in the id3Data\n * @param {Uint8Array} id3Data - The ID3 data containing one or more ID3 tags\n * @return {ID3 frame[]} - Array of ID3 frame objects\n */\n static getID3Frames (id3Data) {\n let offset = 0;\n const frames = [];\n\n while (ID3.isHeader(id3Data, offset)) {\n const size = ID3._readSize(id3Data, offset + 6);\n // skip past ID3 header\n offset += 10;\n const end = offset + size;\n // loop through frames in the ID3 tag\n while (offset + 8 < end) {\n const frameData = ID3._getFrameData(id3Data.subarray(offset));\n const frame = ID3._decodeFrame(frameData);\n if (frame) {\n frames.push(frame);\n }\n\n // skip frame header and frame data\n offset += frameData.size + 10;\n }\n\n if (ID3.isFooter(id3Data, offset)) {\n offset += 10;\n }\n }\n\n return frames;\n }\n\n static _decodeFrame (frame) {\n if (frame.type === 'PRIV') {\n return ID3._decodePrivFrame(frame);\n } else if (frame.type[0] === 'T') {\n return ID3._decodeTextFrame(frame);\n } else if (frame.type[0] === 'W') {\n return ID3._decodeURLFrame(frame);\n }\n\n return undefined;\n }\n\n static _readTimeStamp (timeStampFrame) {\n if (timeStampFrame.data.byteLength === 8) {\n const data = new Uint8Array(timeStampFrame.data);\n // timestamp is 33 bit expressed as a big-endian eight-octet number,\n // with the upper 31 bits set to zero.\n const pts33Bit = data[3] & 0x1;\n let timestamp = (data[4] << 23) +\n (data[5] << 15) +\n (data[6] << 7) +\n data[7];\n timestamp /= 45;\n\n if (pts33Bit) {\n timestamp += 47721858.84;\n } // 2^32 / 90\n\n return Math.round(timestamp);\n }\n\n return undefined;\n }\n\n static _decodePrivFrame (frame) {\n /*\n Format: <text string>\\0<binary data>\n */\n if (frame.size < 2) {\n return undefined;\n }\n\n const owner = ID3._utf8ArrayToStr(frame.data, true);\n const privateData = new Uint8Array(frame.data.subarray(owner.length + 1));\n\n return { key: frame.type, info: owner, data: privateData.buffer };\n }\n\n static _decodeTextFrame (frame) {\n if (frame.size < 2) {\n return undefined;\n }\n\n if (frame.type === 'TXXX') {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Description}\\0{Value}\n */\n let index = 1;\n const description = ID3._utf8ArrayToStr(frame.data.subarray(index), true);\n\n index += description.length + 1;\n const value = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n return { key: frame.type, info: description, data: value };\n } else {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Value}\n */\n const text = ID3._utf8ArrayToStr(frame.data.subarray(1));\n return { key: frame.type, data: text };\n }\n }\n\n static _decodeURLFrame (frame) {\n if (frame.type === 'WXXX') {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Description}\\0{URL}\n */\n if (frame.size < 2) {\n return undefined;\n }\n\n let index = 1;\n const description = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n index += description.length + 1;\n const value = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n return { key: frame.type, info: description, data: value };\n } else {\n /*\n Format:\n [0-?] = {URL}\n */\n const url = ID3._utf8ArrayToStr(frame.data);\n return { key: frame.type, data: url };\n }\n }\n\n // http://stackoverflow.com/questions/8936984/uint8array-to-string-in-javascript/22373197\n // http://www.onicos.com/staff/iz/amuse/javascript/expert/utf.txt\n /* utf.js - UTF-8 <=> UTF-16 convertion\n *\n * Copyright (C) 1999 Masanao Izumo <iz@onicos.co.jp>\n * Version: 1.0\n * LastModified: Dec 25 1999\n * This library is free. You can redistribute it and/or modify it.\n */\n static _utf8ArrayToStr (array, exitOnNull = false) {\n const decoder = getTextDecoder();\n if (decoder) {\n const decoded = decoder.decode(array);\n\n if (exitOnNull) {\n // grab up to the first null\n const idx = decoded.indexOf('\\0');\n return idx !== -1 ? decoded.substring(0, idx) : decoded;\n }\n\n // remove any null characters\n return decoded.replace(/\\0/g, '');\n }\n\n const len = array.length;\n let c;\n let char2;\n let char3;\n let out = '';\n let i = 0;\n while (i < len) {\n c = array[i++];\n if (c === 0x00 && exitOnNull) {\n return out;\n } else if (c === 0x00 || c === 0x03) {\n // If the character is 3 (END_OF_TEXT) or 0 (NULL) then skip it\n continue;\n }\n switch (c >> 4) {\n case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:\n // 0xxxxxxx\n out += String.fromCharCode(c);\n break;\n case 12: case 13:\n // 110x xxxx 10xx xxxx\n char2 = array[i++];\n out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F));\n break;\n case 14:\n // 1110 xxxx 10xx xxxx 10xx xxxx\n char2 = array[i++];\n char3 = array[i++];\n out += String.fromCharCode(((c & 0x0F) << 12) |\n ((char2 & 0x3F) << 6) |\n ((char3 & 0x3F) << 0));\n break;\n default:\n }\n }\n return out;\n }\n}\n\nlet decoder;\n\nfunction getTextDecoder () {\n const global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n if (!decoder && typeof global.TextDecoder !== 'undefined') {\n decoder = new global.TextDecoder('utf-8');\n }\n\n return decoder;\n}\n\nconst utf8ArrayToStr = ID3._utf8ArrayToStr;\n\nexport default ID3;\n\nexport { utf8ArrayToStr };\n","/**\n * MP4 demuxer\n */\nimport { logger } from '../utils/logger';\nimport Event from '../events';\n\nconst UINT32_MAX = Math.pow(2, 32) - 1;\n\nclass MP4Demuxer {\n constructor (observer, remuxer) {\n this.observer = observer;\n this.remuxer = remuxer;\n }\n\n resetTimeStamp (initPTS) {\n this.initPTS = initPTS;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n // jshint unused:false\n if (initSegment && initSegment.byteLength) {\n const initData = this.initData = MP4Demuxer.parseInitSegment(initSegment);\n\n // default audio codec if nothing specified\n // TODO : extract that from initsegment\n if (audioCodec == null) {\n audioCodec = 'mp4a.40.5';\n }\n\n if (videoCodec == null) {\n videoCodec = 'avc1.42e01e';\n }\n\n const tracks = {};\n if (initData.audio && initData.video) {\n tracks.audiovideo = { container: 'video/mp4', codec: audioCodec + ',' + videoCodec, initSegment: duration ? initSegment : null };\n } else {\n if (initData.audio) {\n tracks.audio = { container: 'audio/mp4', codec: audioCodec, initSegment: duration ? initSegment : null };\n }\n\n if (initData.video) {\n tracks.video = { container: 'video/mp4', codec: videoCodec, initSegment: duration ? initSegment : null };\n }\n }\n this.observer.trigger(Event.FRAG_PARSING_INIT_SEGMENT, { tracks });\n } else {\n if (audioCodec) {\n this.audioCodec = audioCodec;\n }\n\n if (videoCodec) {\n this.videoCodec = videoCodec;\n }\n }\n }\n\n static probe (data) {\n // ensure we find a moof box in the first 16 kB\n return MP4Demuxer.findBox({ data: data, start: 0, end: Math.min(data.length, 16384) }, ['moof']).length > 0;\n }\n\n static bin2str (buffer) {\n return String.fromCharCode.apply(null, buffer);\n }\n\n static readUint16 (buffer, offset) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n\n const val = buffer[offset] << 8 |\n buffer[offset + 1];\n\n return val < 0 ? 65536 + val : val;\n }\n\n static readUint32 (buffer, offset) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n\n const val = buffer[offset] << 24 |\n buffer[offset + 1] << 16 |\n buffer[offset + 2] << 8 |\n buffer[offset + 3];\n return val < 0 ? 4294967296 + val : val;\n }\n\n static writeUint32 (buffer, offset, value) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n buffer[offset] = value >> 24;\n buffer[offset + 1] = (value >> 16) & 0xff;\n buffer[offset + 2] = (value >> 8) & 0xff;\n buffer[offset + 3] = value & 0xff;\n }\n\n // Find the data for a box specified by its path\n static findBox (data, path) {\n let results = [],\n i, size, type, end, subresults, start, endbox;\n\n if (data.data) {\n start = data.start;\n end = data.end;\n data = data.data;\n } else {\n start = 0;\n end = data.byteLength;\n }\n\n if (!path.length) {\n // short-circuit the search for empty paths\n return null;\n }\n\n for (i = start; i < end;) {\n size = MP4Demuxer.readUint32(data, i);\n type = MP4Demuxer.bin2str(data.subarray(i + 4, i + 8));\n endbox = size > 1 ? i + size : end;\n\n if (type === path[0]) {\n if (path.length === 1) {\n // this is the end of the path and we've found the box we were\n // looking for\n results.push({ data: data, start: i + 8, end: endbox });\n } else {\n // recursively search for the next box along the path\n subresults = MP4Demuxer.findBox({ data: data, start: i + 8, end: endbox }, path.slice(1));\n if (subresults.length) {\n results = results.concat(subresults);\n }\n }\n }\n i = endbox;\n }\n\n // we've finished searching all of data\n return results;\n }\n\n static parseSegmentIndex (initSegment) {\n const moov = MP4Demuxer.findBox(initSegment, ['moov'])[0];\n const moovEndOffset = moov ? moov.end : null; // we need this in case we need to chop of garbage of the end of current data\n\n let index = 0;\n let sidx = MP4Demuxer.findBox(initSegment, ['sidx']);\n let references;\n\n if (!sidx || !sidx[0]) {\n return null;\n }\n\n references = [];\n sidx = sidx[0];\n\n const version = sidx.data[0];\n\n // set initial offset, we skip the reference ID (not needed)\n index = version === 0 ? 8 : 16;\n\n const timescale = MP4Demuxer.readUint32(sidx, index);\n index += 4;\n\n // TODO: parse earliestPresentationTime and firstOffset\n // usually zero in our case\n let earliestPresentationTime = 0;\n let firstOffset = 0;\n\n if (version === 0) {\n index += 8;\n } else {\n index += 16;\n }\n\n // skip reserved\n index += 2;\n\n let startByte = sidx.end + firstOffset;\n\n const referencesCount = MP4Demuxer.readUint16(sidx, index);\n index += 2;\n\n for (let i = 0; i < referencesCount; i++) {\n let referenceIndex = index;\n\n const referenceInfo = MP4Demuxer.readUint32(sidx, referenceIndex);\n referenceIndex += 4;\n\n const referenceSize = referenceInfo & 0x7FFFFFFF;\n const referenceType = (referenceInfo & 0x80000000) >>> 31;\n\n if (referenceType === 1) {\n console.warn('SIDX has hierarchical references (not supported)');\n return;\n }\n\n const subsegmentDuration = MP4Demuxer.readUint32(sidx, referenceIndex);\n referenceIndex += 4;\n\n references.push({\n referenceSize,\n subsegmentDuration, // unscaled\n info: {\n duration: subsegmentDuration / timescale,\n start: startByte,\n end: startByte + referenceSize - 1\n }\n });\n\n startByte += referenceSize;\n\n // Skipping 1 bit for |startsWithSap|, 3 bits for |sapType|, and 28 bits\n // for |sapDelta|.\n referenceIndex += 4;\n\n // skip to next ref\n index = referenceIndex;\n }\n\n return {\n earliestPresentationTime,\n timescale,\n version,\n referencesCount,\n references,\n moovEndOffset\n };\n }\n\n /**\n * Parses an MP4 initialization segment and extracts stream type and\n * timescale values for any declared tracks. Timescale values indicate the\n * number of clock ticks per second to assume for time-based values\n * elsewhere in the MP4.\n *\n * To determine the start time of an MP4, you need two pieces of\n * information: the timescale unit and the earliest base media decode\n * time. Multiple timescales can be specified within an MP4 but the\n * base media decode time is always expressed in the timescale from\n * the media header box for the track:\n * ```\n * moov > trak > mdia > mdhd.timescale\n * moov > trak > mdia > hdlr\n * ```\n * @param init {Uint8Array} the bytes of the init segment\n * @return {object} a hash of track type to timescale values or null if\n * the init segment is malformed.\n */\n static parseInitSegment (initSegment) {\n let result = [];\n let traks = MP4Demuxer.findBox(initSegment, ['moov', 'trak']);\n\n traks.forEach(trak => {\n const tkhd = MP4Demuxer.findBox(trak, ['tkhd'])[0];\n if (tkhd) {\n let version = tkhd.data[tkhd.start];\n let index = version === 0 ? 12 : 20;\n let trackId = MP4Demuxer.readUint32(tkhd, index);\n\n const mdhd = MP4Demuxer.findBox(trak, ['mdia', 'mdhd'])[0];\n if (mdhd) {\n version = mdhd.data[mdhd.start];\n index = version === 0 ? 12 : 20;\n const timescale = MP4Demuxer.readUint32(mdhd, index);\n\n const hdlr = MP4Demuxer.findBox(trak, ['mdia', 'hdlr'])[0];\n if (hdlr) {\n const hdlrType = MP4Demuxer.bin2str(hdlr.data.subarray(hdlr.start + 8, hdlr.start + 12));\n let type = { 'soun': 'audio', 'vide': 'video' }[hdlrType];\n if (type) {\n // extract codec info. TODO : parse codec details to be able to build MIME type\n let codecBox = MP4Demuxer.findBox(trak, ['mdia', 'minf', 'stbl', 'stsd']);\n if (codecBox.length) {\n codecBox = codecBox[0];\n let codecType = MP4Demuxer.bin2str(codecBox.data.subarray(codecBox.start + 12, codecBox.start + 16));\n logger.log(`MP4Demuxer:${type}:${codecType} found`);\n }\n result[trackId] = { timescale: timescale, type: type };\n result[type] = { timescale: timescale, id: trackId };\n }\n }\n }\n }\n });\n return result;\n }\n\n /**\n * Determine the base media decode start time, in seconds, for an MP4\n * fragment. If multiple fragments are specified, the earliest time is\n * returned.\n *\n * The base media decode time can be parsed from track fragment\n * metadata:\n * ```\n * moof > traf > tfdt.baseMediaDecodeTime\n * ```\n * It requires the timescale value from the mdhd to interpret.\n *\n * @param timescale {object} a hash of track ids to timescale values.\n * @return {number} the earliest base media decode start time for the\n * fragment, in seconds\n */\n static getStartDTS (initData, fragment) {\n let trafs, baseTimes, result;\n\n // we need info from two childrend of each track fragment box\n trafs = MP4Demuxer.findBox(fragment, ['moof', 'traf']);\n\n // determine the start times for each track\n baseTimes = [].concat.apply([], trafs.map(function (traf) {\n return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) {\n let id, scale, baseTime;\n\n // get the track id from the tfhd\n id = MP4Demuxer.readUint32(tfhd, 4);\n // assume a 90kHz clock if no timescale was specified\n scale = initData[id].timescale || 90e3;\n\n // get the base media decode time from the tfdt\n baseTime = MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) {\n let version, result;\n\n version = tfdt.data[tfdt.start];\n result = MP4Demuxer.readUint32(tfdt, 4);\n if (version === 1) {\n result *= Math.pow(2, 32);\n\n result += MP4Demuxer.readUint32(tfdt, 8);\n }\n return result;\n })[0];\n // convert base time to seconds\n return baseTime / scale;\n });\n }));\n\n // return the minimum\n result = Math.min.apply(null, baseTimes);\n return isFinite(result) ? result : 0;\n }\n\n static offsetStartDTS (initData, fragment, timeOffset) {\n MP4Demuxer.findBox(fragment, ['moof', 'traf']).map(function (traf) {\n return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) {\n // get the track id from the tfhd\n let id = MP4Demuxer.readUint32(tfhd, 4);\n // assume a 90kHz clock if no timescale was specified\n let timescale = initData[id].timescale || 90e3;\n\n // get the base media decode time from the tfdt\n MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) {\n let version = tfdt.data[tfdt.start];\n let baseMediaDecodeTime = MP4Demuxer.readUint32(tfdt, 4);\n if (version === 0) {\n MP4Demuxer.writeUint32(tfdt, 4, baseMediaDecodeTime - timeOffset * timescale);\n } else {\n baseMediaDecodeTime *= Math.pow(2, 32);\n baseMediaDecodeTime += MP4Demuxer.readUint32(tfdt, 8);\n baseMediaDecodeTime -= timeOffset * timescale;\n baseMediaDecodeTime = Math.max(baseMediaDecodeTime, 0);\n const upper = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1));\n const lower = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1));\n MP4Demuxer.writeUint32(tfdt, 4, upper);\n MP4Demuxer.writeUint32(tfdt, 8, lower);\n }\n });\n });\n });\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let initData = this.initData;\n if (!initData) {\n this.resetInitSegment(data, this.audioCodec, this.videoCodec, false);\n initData = this.initData;\n }\n let startDTS, initPTS = this.initPTS;\n if (initPTS === undefined) {\n let startDTS = MP4Demuxer.getStartDTS(initData, data);\n this.initPTS = initPTS = startDTS - timeOffset;\n this.observer.trigger(Event.INIT_PTS_FOUND, { initPTS: initPTS });\n }\n MP4Demuxer.offsetStartDTS(initData, data, initPTS);\n startDTS = MP4Demuxer.getStartDTS(initData, data);\n this.remuxer.remux(initData.audio, initData.video, null, null, startDTS, contiguous, accurateTimeOffset, data);\n }\n\n destroy () {}\n}\n\nexport default MP4Demuxer;\n","export enum ErrorTypes {\n // Identifier for a network error (loading error / timeout ...)\n NETWORK_ERROR = 'networkError',\n // Identifier for a media Error (video/parsing/mediasource error)\n MEDIA_ERROR = 'mediaError',\n // EME (encrypted media extensions) errors\n KEY_SYSTEM_ERROR = 'keySystemError',\n // Identifier for a mux Error (demuxing/remuxing)\n MUX_ERROR = 'muxError',\n // Identifier for all other errors\n OTHER_ERROR = 'otherError'\n}\n\n/**\n * @enum {ErrorDetails}\n * @typedef {string} ErrorDetail\n */\nexport enum ErrorDetails {\n KEY_SYSTEM_NO_KEYS = 'keySystemNoKeys',\n KEY_SYSTEM_NO_ACCESS = 'keySystemNoAccess',\n KEY_SYSTEM_NO_SESSION = 'keySystemNoSession',\n KEY_SYSTEM_LICENSE_REQUEST_FAILED = 'keySystemLicenseRequestFailed',\n KEY_SYSTEM_NO_INIT_DATA = 'keySystemNoInitData',\n // Identifier for a manifest load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n MANIFEST_LOAD_ERROR = 'manifestLoadError',\n // Identifier for a manifest load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n MANIFEST_LOAD_TIMEOUT = 'manifestLoadTimeOut',\n // Identifier for a manifest parsing error - data: { url : faulty URL, reason : error reason}\n MANIFEST_PARSING_ERROR = 'manifestParsingError',\n // Identifier for a manifest with only incompatible codecs error - data: { url : faulty URL, reason : error reason}\n MANIFEST_INCOMPATIBLE_CODECS_ERROR = 'manifestIncompatibleCodecsError',\n // Identifier for a level load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n LEVEL_LOAD_ERROR = 'levelLoadError',\n // Identifier for a level load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n LEVEL_LOAD_TIMEOUT = 'levelLoadTimeOut',\n // Identifier for a level switch error - data: { level : faulty level Id, event : error description}\n LEVEL_SWITCH_ERROR = 'levelSwitchError',\n // Identifier for an audio track load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n AUDIO_TRACK_LOAD_ERROR = 'audioTrackLoadError',\n // Identifier for an audio track load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n AUDIO_TRACK_LOAD_TIMEOUT = 'audioTrackLoadTimeOut',\n // Identifier for fragment load error - data: { frag : fragment object, response : { code: error code, text: error text }}\n FRAG_LOAD_ERROR = 'fragLoadError',\n // Identifier for fragment load timeout error - data: { frag : fragment object}\n FRAG_LOAD_TIMEOUT = 'fragLoadTimeOut',\n // Identifier for a fragment decryption error event - data: {id : demuxer Id,frag: fragment object, reason : parsing error description }\n FRAG_DECRYPT_ERROR = 'fragDecryptError',\n // Identifier for a fragment parsing error event - data: { id : demuxer Id, reason : parsing error description }\n // will be renamed DEMUX_PARSING_ERROR and switched to MUX_ERROR in the next major release\n FRAG_PARSING_ERROR = 'fragParsingError',\n // Identifier for a remux alloc error event - data: { id : demuxer Id, frag : fragment object, bytes : nb of bytes on which allocation failed , reason : error text }\n REMUX_ALLOC_ERROR = 'remuxAllocError',\n // Identifier for decrypt key load error - data: { frag : fragment object, response : { code: error code, text: error text }}\n KEY_LOAD_ERROR = 'keyLoadError',\n // Identifier for decrypt key load timeout error - data: { frag : fragment object}\n KEY_LOAD_TIMEOUT = 'keyLoadTimeOut',\n // Triggered when an exception occurs while adding a sourceBuffer to MediaSource - data : { err : exception , mimeType : mimeType }\n BUFFER_ADD_CODEC_ERROR = 'bufferAddCodecError',\n // Identifier for a buffer append error - data: append error description\n BUFFER_APPEND_ERROR = 'bufferAppendError',\n // Identifier for a buffer appending error event - data: appending error description\n BUFFER_APPENDING_ERROR = 'bufferAppendingError',\n // Identifier for a buffer stalled error event\n BUFFER_STALLED_ERROR = 'bufferStalledError',\n // Identifier for a buffer full event\n BUFFER_FULL_ERROR = 'bufferFullError',\n // Identifier for a buffer seek over hole event\n BUFFER_SEEK_OVER_HOLE = 'bufferSeekOverHole',\n // Identifier for a buffer nudge on stall (playback is stuck although currentTime is in a buffered area)\n BUFFER_NUDGE_ON_STALL = 'bufferNudgeOnStall',\n // Identifier for an internal exception happening inside hls.js while handling an event\n INTERNAL_EXCEPTION = 'internalException'\n}\n","/**\n * @readonly\n * @enum {string}\n */\nconst HlsEvents = {\n // fired before MediaSource is attaching to media element - data: { media }\n MEDIA_ATTACHING: 'hlsMediaAttaching',\n // fired when MediaSource has been succesfully attached to media element - data: { }\n MEDIA_ATTACHED: 'hlsMediaAttached',\n // fired before detaching MediaSource from media element - data: { }\n MEDIA_DETACHING: 'hlsMediaDetaching',\n // fired when MediaSource has been detached from media element - data: { }\n MEDIA_DETACHED: 'hlsMediaDetached',\n // fired when we buffer is going to be reset - data: { }\n BUFFER_RESET: 'hlsBufferReset',\n // fired when we know about the codecs that we need buffers for to push into - data: {tracks : { container, codec, levelCodec, initSegment, metadata }}\n BUFFER_CODECS: 'hlsBufferCodecs',\n // fired when sourcebuffers have been created - data: { tracks : tracks }\n BUFFER_CREATED: 'hlsBufferCreated',\n // fired when we append a segment to the buffer - data: { segment: segment object }\n BUFFER_APPENDING: 'hlsBufferAppending',\n // fired when we are done with appending a media segment to the buffer - data : { parent : segment parent that triggered BUFFER_APPENDING, pending : nb of segments waiting for appending for this segment parent}\n BUFFER_APPENDED: 'hlsBufferAppended',\n // fired when the stream is finished and we want to notify the media buffer that there will be no more data - data: { }\n BUFFER_EOS: 'hlsBufferEos',\n // fired when the media buffer should be flushed - data { startOffset, endOffset }\n BUFFER_FLUSHING: 'hlsBufferFlushing',\n // fired when the media buffer has been flushed - data: { }\n BUFFER_FLUSHED: 'hlsBufferFlushed',\n // fired to signal that a manifest loading starts - data: { url : manifestURL}\n MANIFEST_LOADING: 'hlsManifestLoading',\n // fired after manifest has been loaded - data: { levels : [available quality levels], audioTracks : [ available audio tracks], url : manifestURL, stats : { trequest, tfirst, tload, mtime}}\n MANIFEST_LOADED: 'hlsManifestLoaded',\n // fired after manifest has been parsed - data: { levels : [available quality levels], firstLevel : index of first quality level appearing in Manifest}\n MANIFEST_PARSED: 'hlsManifestParsed',\n // fired when a level switch is requested - data: { level : id of new level }\n LEVEL_SWITCHING: 'hlsLevelSwitching',\n // fired when a level switch is effective - data: { level : id of new level }\n LEVEL_SWITCHED: 'hlsLevelSwitched',\n // fired when a level playlist loading starts - data: { url : level URL, level : id of level being loaded}\n LEVEL_LOADING: 'hlsLevelLoading',\n // fired when a level playlist loading finishes - data: { details : levelDetails object, level : id of loaded level, stats : { trequest, tfirst, tload, mtime} }\n LEVEL_LOADED: 'hlsLevelLoaded',\n // fired when a level's details have been updated based on previous details, after it has been loaded - data: { details : levelDetails object, level : id of updated level }\n LEVEL_UPDATED: 'hlsLevelUpdated',\n // fired when a level's PTS information has been updated after parsing a fragment - data: { details : levelDetails object, level : id of updated level, drift: PTS drift observed when parsing last fragment }\n LEVEL_PTS_UPDATED: 'hlsLevelPtsUpdated',\n // fired when the live back buffer is reached defined by the liveBackBufferLength config option - data : { bufferEnd: number }\n LIVE_BACK_BUFFER_REACHED: 'hlsLiveBackBufferReached',\n // fired to notify that audio track lists has been updated - data: { audioTracks : audioTracks }\n AUDIO_TRACKS_UPDATED: 'hlsAudioTracksUpdated',\n // fired when an audio track switching is requested - data: { id : audio track id }\n AUDIO_TRACK_SWITCHING: 'hlsAudioTrackSwitching',\n // fired when an audio track switch actually occurs - data: { id : audio track id }\n AUDIO_TRACK_SWITCHED: 'hlsAudioTrackSwitched',\n // fired when an audio track loading starts - data: { url : audio track URL, id : audio track id }\n AUDIO_TRACK_LOADING: 'hlsAudioTrackLoading',\n // fired when an audio track loading finishes - data: { details : levelDetails object, id : audio track id, stats : { trequest, tfirst, tload, mtime } }\n AUDIO_TRACK_LOADED: 'hlsAudioTrackLoaded',\n // fired to notify that subtitle track lists has been updated - data: { subtitleTracks : subtitleTracks }\n SUBTITLE_TRACKS_UPDATED: 'hlsSubtitleTracksUpdated',\n // fired when an subtitle track switch occurs - data: { id : subtitle track id }\n SUBTITLE_TRACK_SWITCH: 'hlsSubtitleTrackSwitch',\n // fired when a subtitle track loading starts - data: { url : subtitle track URL, id : subtitle track id }\n SUBTITLE_TRACK_LOADING: 'hlsSubtitleTrackLoading',\n // fired when a subtitle track loading finishes - data: { details : levelDetails object, id : subtitle track id, stats : { trequest, tfirst, tload, mtime } }\n SUBTITLE_TRACK_LOADED: 'hlsSubtitleTrackLoaded',\n // fired when a subtitle fragment has been processed - data: { success : boolean, frag : the processed frag }\n SUBTITLE_FRAG_PROCESSED: 'hlsSubtitleFragProcessed',\n // fired when the first timestamp is found - data: { id : demuxer id, initPTS: initPTS, frag : fragment object }\n INIT_PTS_FOUND: 'hlsInitPtsFound',\n // fired when a fragment loading starts - data: { frag : fragment object }\n FRAG_LOADING: 'hlsFragLoading',\n // fired when a fragment loading is progressing - data: { frag : fragment object, { trequest, tfirst, loaded } }\n FRAG_LOAD_PROGRESS: 'hlsFragLoadProgress',\n // Identifier for fragment load aborting for emergency switch down - data: { frag : fragment object }\n FRAG_LOAD_EMERGENCY_ABORTED: 'hlsFragLoadEmergencyAborted',\n // fired when a fragment loading is completed - data: { frag : fragment object, payload : fragment payload, stats : { trequest, tfirst, tload, length } }\n FRAG_LOADED: 'hlsFragLoaded',\n // fired when a fragment has finished decrypting - data: { id : demuxer id, frag: fragment object, payload : fragment payload, stats : { tstart, tdecrypt } }\n FRAG_DECRYPTED: 'hlsFragDecrypted',\n // fired when Init Segment has been extracted from fragment - data: { id : demuxer id, frag: fragment object, moov : moov MP4 box, codecs : codecs found while parsing fragment }\n FRAG_PARSING_INIT_SEGMENT: 'hlsFragParsingInitSegment',\n // fired when parsing sei text is completed - data: { id : demuxer id, frag: fragment object, samples : [ sei samples pes ] }\n FRAG_PARSING_USERDATA: 'hlsFragParsingUserdata',\n // fired when parsing id3 is completed - data: { id : demuxer id, frag: fragment object, samples : [ id3 samples pes ] }\n FRAG_PARSING_METADATA: 'hlsFragParsingMetadata',\n // fired when data have been extracted from fragment - data: { id : demuxer id, frag: fragment object, data1 : moof MP4 box or TS fragments, data2 : mdat MP4 box or null}\n FRAG_PARSING_DATA: 'hlsFragParsingData',\n // fired when fragment parsing is completed - data: { id : demuxer id, frag: fragment object }\n FRAG_PARSED: 'hlsFragParsed',\n // fired when fragment remuxed MP4 boxes have all been appended into SourceBuffer - data: { id : demuxer id, frag : fragment object, stats : { trequest, tfirst, tload, tparsed, tbuffered, length, bwEstimate } }\n FRAG_BUFFERED: 'hlsFragBuffered',\n // fired when fragment matching with current media position is changing - data : { id : demuxer id, frag : fragment object }\n FRAG_CHANGED: 'hlsFragChanged',\n // Identifier for a FPS drop event - data: { curentDropped, currentDecoded, totalDroppedFrames }\n FPS_DROP: 'hlsFpsDrop',\n // triggered when FPS drop triggers auto level capping - data: { level, droppedlevel }\n FPS_DROP_LEVEL_CAPPING: 'hlsFpsDropLevelCapping',\n // Identifier for an error event - data: { type : error type, details : error details, fatal : if true, hls.js cannot/will not try to recover, if false, hls.js will try to recover,other error specific data }\n ERROR: 'hlsError',\n // fired when hls.js instance starts destroying. Different from MEDIA_DETACHED as one could want to detach and reattach a media to the instance of hls.js to handle mid-rolls for example - data: { }\n DESTROYING: 'hlsDestroying',\n // fired when a decrypt key loading starts - data: { frag : fragment object }\n KEY_LOADING: 'hlsKeyLoading',\n // fired when a decrypt key loading is completed - data: { frag : fragment object, payload : key payload, stats : { trequest, tfirst, tload, length } }\n KEY_LOADED: 'hlsKeyLoaded',\n // fired upon stream controller state transitions - data: { previousState, nextState }\n STREAM_STATE_TRANSITION: 'hlsStreamStateTransition',\n // fired when the live back buffer is reached defined by the liveBackBufferLength config option - data : { bufferEnd: number }\n LIVE_BACK_BUFFER_REACHED: 'hlsLiveBackBufferReached',\n // fired when `seeked` event happens, not fired if current position is outside of the buffered range and config option `seekWithinTolerance` is true\n CAN_PLAY_AFTER_SEEK: 'hlsCanPlayAfterSeek',\n};\n\nexport default HlsEvents;\n","/*\n*\n* All objects in the event handling chain should inherit from this class\n*\n*/\n\nimport { logger } from './utils/logger';\nimport { ErrorTypes, ErrorDetails } from './errors';\nimport Event from './events';\nimport Hls from './hls';\n\nconst FORBIDDEN_EVENT_NAMES = {\n 'hlsEventGeneric': true,\n 'hlsHandlerDestroying': true,\n 'hlsHandlerDestroyed': true\n};\n\nclass EventHandler {\n hls: Hls;\n handledEvents: any[];\n useGenericHandler: boolean;\n\n constructor (hls: Hls, ...events: any[]) {\n this.hls = hls;\n this.onEvent = this.onEvent.bind(this);\n this.handledEvents = events;\n this.useGenericHandler = true;\n\n this.registerListeners();\n }\n\n destroy () {\n this.onHandlerDestroying();\n this.unregisterListeners();\n this.onHandlerDestroyed();\n }\n\n protected onHandlerDestroying () {}\n protected onHandlerDestroyed () {}\n\n isEventHandler () {\n return typeof this.handledEvents === 'object' && this.handledEvents.length && typeof this.onEvent === 'function';\n }\n\n registerListeners () {\n if (this.isEventHandler()) {\n this.handledEvents.forEach(function (event) {\n if (FORBIDDEN_EVENT_NAMES[event]) {\n throw new Error('Forbidden event-name: ' + event);\n }\n\n this.hls.on(event, this.onEvent);\n }, this);\n }\n }\n\n unregisterListeners () {\n if (this.isEventHandler()) {\n this.handledEvents.forEach(function (event) {\n this.hls.off(event, this.onEvent);\n }, this);\n }\n }\n\n /**\n * arguments: event (string), data (any)\n */\n onEvent (event: string, data: any) {\n this.onEventGeneric(event, data);\n }\n\n onEventGeneric (event: string, data: any) {\n let eventToFunction = function (event: string, data: any) {\n let funcName = 'on' + event.replace('hls', '');\n if (typeof this[funcName] !== 'function') {\n throw new Error(`Event ${event} has no generic handler in this ${this.constructor.name} class (tried ${funcName})`);\n }\n\n return this[funcName].bind(this, data);\n };\n try {\n eventToFunction.call(this, event, data).call();\n } catch (err) {\n logger.error(`An internal error happened while handling event ${event}. Error message: \"${err.message}\". Here is a stacktrace:`, err);\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.OTHER_ERROR, details: ErrorDetails.INTERNAL_EXCEPTION, fatal: false, event: event, err: err });\n }\n }\n}\n\nexport default EventHandler;\n","import Level from '../loader/level';\n\nexport interface LoaderContext {\n // target URL\n url: string\n // loader response type (arraybuffer or default response type for playlist)\n responseType: string\n // start byte range offset\n rangeStart?: number\n // end byte range offset\n rangeEnd?: number\n // true if onProgress should report partial chunk of loaded content\n progressData?: boolean\n}\n\nexport interface LoaderConfiguration {\n // Max number of load retries\n maxRetry: number\n // Timeout after which `onTimeOut` callback will be triggered\n // (if loading is still not finished after that delay)\n timeout: number\n // Delay between an I/O error and following connection retry (ms).\n // This to avoid spamming the server\n retryDelay: number\n // max connection retry delay (ms)\n maxRetryDelay: number\n}\n\nexport interface LoaderResponse {\n url: string,\n // TODO(jstackhouse): SharedArrayBuffer, es2017 extension to TS\n data: string | ArrayBuffer\n}\n\nexport interface LoaderStats {\n // performance.now() just after load() has been called\n trequest: number\n // performance.now() of first received byte\n tfirst: number\n // performance.now() on load complete\n tload: number\n // performance.now() on parse completion\n tparsed: number\n // number of loaded bytes\n loaded: number\n // total number of bytes\n total: number\n}\n\ntype LoaderOnSuccess < T extends LoaderContext > = (\n response: LoaderResponse,\n stats: LoaderStats,\n context: T,\n networkDetails: any\n) => void;\n\ntype LoaderOnProgress < T extends LoaderContext > = (\n stats: LoaderStats,\n context: T,\n data: string | ArrayBuffer,\n networkDetails: any,\n) => void;\n\ntype LoaderOnError < T extends LoaderContext > = (\n error: {\n // error status code\n code: number,\n // error description\n text: string,\n },\n context: T,\n networkDetails: any,\n) => void;\n\ntype LoaderOnTimeout < T extends LoaderContext > = (\n stats: LoaderStats,\n context: T,\n) => void;\n\nexport interface LoaderCallbacks<T extends LoaderContext>{\n onSuccess: LoaderOnSuccess<T>,\n onError: LoaderOnError<T>,\n onTimeout: LoaderOnTimeout<T>,\n onProgress?: LoaderOnProgress<T>,\n}\n\nexport interface Loader<T extends LoaderContext> {\n destroy(): void\n abort(): void\n load(\n context: LoaderContext,\n config: LoaderConfiguration,\n callbacks: LoaderCallbacks<T>,\n ): void\n\n context: T\n}\n\n/**\n * `type` property values for this loaders' context object\n * @enum\n *\n */\nexport enum PlaylistContextType {\n MANIFEST = 'manifest',\n LEVEL = 'level',\n AUDIO_TRACK = 'audioTrack',\n SUBTITLE_TRACK= 'subtitleTrack'\n}\n\n/**\n * @enum {string}\n */\nexport enum PlaylistLevelType {\n MAIN = 'main',\n AUDIO = 'audio',\n SUBTITLE = 'subtitle'\n}\n\nexport interface PlaylistLoaderContext extends LoaderContext {\n loader?: Loader<PlaylistLoaderContext>\n\n type: PlaylistContextType\n // the level index to load\n level: number | null\n // TODO: what is id?\n id: number | null\n // defines if the loader is handling a sidx request for the playlist\n isSidxRequest?: boolean\n // internal reprsentation of a parsed m3u8 level playlist\n levelDetails?: Level\n}\n","import { buildAbsoluteURL } from 'url-toolkit';\n\nexport default class LevelKey {\n private _uri: string | null = null;\n\n public baseuri: string;\n public reluri: string;\n public method: string | null = null;\n public key: Uint8Array | null = null;\n public iv: Uint8Array | null = null;\n\n constructor (baseURI: string, relativeURI: string) {\n this.baseuri = baseURI;\n this.reluri = relativeURI;\n }\n\n get uri () {\n if (!this._uri && this.reluri) {\n this._uri = buildAbsoluteURL(this.baseuri, this.reluri, { alwaysNormalize: true });\n }\n\n return this._uri;\n }\n}\n","\nimport { buildAbsoluteURL } from 'url-toolkit';\nimport { logger } from '../utils/logger';\nimport LevelKey from './level-key';\nimport { PlaylistLevelType } from '../types/loader';\n\nexport enum ElementaryStreamTypes {\n AUDIO = 'audio',\n VIDEO = 'video',\n}\n\nexport default class Fragment {\n private _url: string | null = null;\n private _byteRange: number[] | null = null;\n private _decryptdata: LevelKey | null = null;\n\n // Holds the types of data this fragment supports\n private _elementaryStreams: Record<ElementaryStreamTypes, boolean> = {\n [ElementaryStreamTypes.AUDIO]: false,\n [ElementaryStreamTypes.VIDEO]: false\n };\n\n // deltaPTS tracks the change in presentation timestamp between fragments\n public deltaPTS: number = 0;\n\n public rawProgramDateTime: string | null = null;\n public programDateTime: number | null = null;\n public title: string | null = null;\n public tagList: Array<string[]> = [];\n\n // TODO: Move at least baseurl to constructor.\n // Currently we do a two-pass construction as use the Fragment class almost like a object for holding parsing state.\n // It may make more sense to just use a POJO to keep state during the parsing phase.\n // Have Fragment be the representation once we have a known state?\n // Something to think on.\n\n // Discontinuity Counter\n public cc!: number;\n\n public type!: PlaylistLevelType;\n // relurl is the portion of the URL that comes from inside the playlist.\n public relurl!: string;\n // baseurl is the URL to the playlist\n public baseurl!: string;\n // EXTINF has to be present for a m3u8 to be considered valid\n public duration!: number;\n // When this segment starts in the timeline\n public start!: number;\n // sn notates the sequence number for a segment, and if set to a string can be 'initSegment'\n public sn: number | 'initSegment' = 0;\n\n public urlId: number = 0;\n // level matches this fragment to a index playlist\n public level: number = 0;\n // levelkey is the EXT-X-KEY that applies to this segment for decryption\n // core difference from the private field _decryptdata is the lack of the initialized IV\n // _decryptdata will set the IV for this segment based on the segment number in the fragment\n public levelkey?: LevelKey;\n\n // TODO(typescript-xhrloader)\n public loader: any;\n\n // setByteRange converts a EXT-X-BYTERANGE attribute into a two element array\n setByteRange (value: string, previousFrag?: Fragment) {\n const params = value.split('@', 2);\n const byteRange: number[] = [];\n if (params.length === 1) {\n byteRange[0] = previousFrag ? previousFrag.byteRangeEndOffset : 0;\n } else {\n byteRange[0] = parseInt(params[1]);\n }\n byteRange[1] = parseInt(params[0]) + byteRange[0];\n this._byteRange = byteRange;\n }\n\n get url () {\n if (!this._url && this.relurl) {\n this._url = buildAbsoluteURL(this.baseurl, this.relurl, { alwaysNormalize: true });\n }\n\n return this._url;\n }\n\n set url (value) {\n this._url = value;\n }\n\n get byteRange (): number[] {\n if (!this._byteRange) {\n return [];\n }\n\n return this._byteRange;\n }\n\n /**\n * @type {number}\n */\n get byteRangeStartOffset () {\n return this.byteRange[0];\n }\n\n get byteRangeEndOffset () {\n return this.byteRange[1];\n }\n\n get decryptdata (): LevelKey | null {\n if (!this.levelkey && !this._decryptdata) {\n return null;\n }\n\n if (!this._decryptdata && this.levelkey) {\n let sn = this.sn;\n if (typeof sn !== 'number') {\n // We are fetching decryption data for a initialization segment\n // If the segment was encrypted with AES-128\n // It must have an IV defined. We cannot substitute the Segment Number in.\n if (this.levelkey && this.levelkey.method === 'AES-128' && !this.levelkey.iv) {\n logger.warn(`missing IV for initialization segment with method=\"${this.levelkey.method}\" - compliance issue`);\n }\n\n /*\n Be converted to a Number.\n 'initSegment' will become NaN.\n NaN, which when converted through ToInt32() -> +0.\n ---\n Explicitly set sn to resulting value from implicit conversions 'initSegment' values for IV generation.\n */\n sn = 0;\n }\n this._decryptdata = this.setDecryptDataFromLevelKey(this.levelkey, sn);\n }\n\n return this._decryptdata;\n }\n\n get endProgramDateTime () {\n if (this.programDateTime === null) {\n return null;\n }\n\n if (!Number.isFinite(this.programDateTime)) {\n return null;\n }\n\n let duration = !Number.isFinite(this.duration) ? 0 : this.duration;\n\n return this.programDateTime + (duration * 1000);\n }\n\n get encrypted () {\n return !!((this.decryptdata && this.decryptdata.uri !== null) && (this.decryptdata.key === null));\n }\n\n /**\n * @param {ElementaryStreamTypes} type\n */\n addElementaryStream (type: ElementaryStreamTypes) {\n this._elementaryStreams[type] = true;\n }\n\n /**\n * @param {ElementaryStreamTypes} type\n */\n hasElementaryStream (type: ElementaryStreamTypes) {\n return this._elementaryStreams[type] === true;\n }\n\n /**\n * Utility method for parseLevelPlaylist to create an initialization vector for a given segment\n * @param {number} segmentNumber - segment number to generate IV with\n * @returns {Uint8Array}\n */\n createInitializationVector (segmentNumber: number): Uint8Array {\n let uint8View = new Uint8Array(16);\n\n for (let i = 12; i < 16; i++) {\n uint8View[i] = (segmentNumber >> 8 * (15 - i)) & 0xff;\n }\n\n return uint8View;\n }\n\n /**\n * Utility method for parseLevelPlaylist to get a fragment's decryption data from the currently parsed encryption key data\n * @param levelkey - a playlist's encryption info\n * @param segmentNumber - the fragment's segment number\n * @returns {LevelKey} - an object to be applied as a fragment's decryptdata\n */\n setDecryptDataFromLevelKey (levelkey: LevelKey, segmentNumber: number): LevelKey {\n let decryptdata = levelkey;\n\n if (levelkey && levelkey.method && levelkey.uri && !levelkey.iv) {\n decryptdata = new LevelKey(levelkey.baseuri, levelkey.reluri);\n decryptdata.method = levelkey.method;\n decryptdata.iv = this.createInitializationVector(segmentNumber);\n }\n\n return decryptdata;\n }\n}\n","export default class Level {\n constructor (baseUrl) {\n // Please keep properties in alphabetical order\n this.endCC = 0;\n this.endSN = 0;\n this.fragments = [];\n this.initSegment = null;\n this.live = true;\n this.needSidxRanges = false;\n this.startCC = 0;\n this.startSN = 0;\n this.startTimeOffset = null;\n this.targetduration = 0;\n this.totalduration = 0;\n this.type = null;\n this.url = baseUrl;\n this.version = null;\n }\n\n get hasProgramDateTime () {\n return !!(this.fragments[0] && Number.isFinite(this.fragments[0].programDateTime));\n }\n}\n","const DECIMAL_RESOLUTION_REGEX = /^(\\d+)x(\\d+)$/; // eslint-disable-line no-useless-escape\nconst ATTR_LIST_REGEX = /\\s*(.+?)\\s*=((?:\\\".*?\\\")|.*?)(?:,|$)/g; // eslint-disable-line no-useless-escape\n\n// adapted from https://github.com/kanongil/node-m3u8parse/blob/master/attrlist.js\nclass AttrList {\n constructor (attrs) {\n if (typeof attrs === 'string') {\n attrs = AttrList.parseAttrList(attrs);\n }\n\n for (let attr in attrs) {\n if (attrs.hasOwnProperty(attr)) {\n this[attr] = attrs[attr];\n }\n }\n }\n\n decimalInteger (attrName) {\n const intValue = parseInt(this[attrName], 10);\n if (intValue > Number.MAX_SAFE_INTEGER) {\n return Infinity;\n }\n\n return intValue;\n }\n\n hexadecimalInteger (attrName) {\n if (this[attrName]) {\n let stringValue = (this[attrName] || '0x').slice(2);\n stringValue = ((stringValue.length & 1) ? '0' : '') + stringValue;\n\n const value = new Uint8Array(stringValue.length / 2);\n for (let i = 0; i < stringValue.length / 2; i++) {\n value[i] = parseInt(stringValue.slice(i * 2, i * 2 + 2), 16);\n }\n\n return value;\n } else {\n return null;\n }\n }\n\n hexadecimalIntegerAsNumber (attrName) {\n const intValue = parseInt(this[attrName], 16);\n if (intValue > Number.MAX_SAFE_INTEGER) {\n return Infinity;\n }\n\n return intValue;\n }\n\n decimalFloatingPoint (attrName) {\n return parseFloat(this[attrName]);\n }\n\n enumeratedString (attrName) {\n return this[attrName];\n }\n\n decimalResolution (attrName) {\n const res = DECIMAL_RESOLUTION_REGEX.exec(this[attrName]);\n if (res === null) {\n return undefined;\n }\n\n return {\n width: parseInt(res[1], 10),\n height: parseInt(res[2], 10)\n };\n }\n\n static parseAttrList (input) {\n let match, attrs = {};\n ATTR_LIST_REGEX.lastIndex = 0;\n while ((match = ATTR_LIST_REGEX.exec(input)) !== null) {\n let value = match[2], quote = '\"';\n\n if (value.indexOf(quote) === 0 &&\n value.lastIndexOf(quote) === (value.length - 1)) {\n value = value.slice(1, -1);\n }\n\n attrs[match[1]] = value;\n }\n return attrs;\n }\n}\n\nexport default AttrList;\n","// from http://mp4ra.org/codecs.html\nconst sampleEntryCodesISO = {\n audio: {\n 'a3ds': true,\n 'ac-3': true,\n 'ac-4': true,\n 'alac': true,\n 'alaw': true,\n 'dra1': true,\n 'dts+': true,\n 'dts-': true,\n 'dtsc': true,\n 'dtse': true,\n 'dtsh': true,\n 'ec-3': true,\n 'enca': true,\n 'g719': true,\n 'g726': true,\n 'm4ae': true,\n 'mha1': true,\n 'mha2': true,\n 'mhm1': true,\n 'mhm2': true,\n 'mlpa': true,\n 'mp4a': true,\n 'raw ': true,\n 'Opus': true,\n 'samr': true,\n 'sawb': true,\n 'sawp': true,\n 'sevc': true,\n 'sqcp': true,\n 'ssmv': true,\n 'twos': true,\n 'ulaw': true\n },\n video: {\n 'avc1': true,\n 'avc2': true,\n 'avc3': true,\n 'avc4': true,\n 'avcp': true,\n 'drac': true,\n 'dvav': true,\n 'dvhe': true,\n 'encv': true,\n 'hev1': true,\n 'hvc1': true,\n 'mjp2': true,\n 'mp4v': true,\n 'mvc1': true,\n 'mvc2': true,\n 'mvc3': true,\n 'mvc4': true,\n 'resv': true,\n 'rv60': true,\n 's263': true,\n 'svc1': true,\n 'svc2': true,\n 'vc-1': true,\n 'vp08': true,\n 'vp09': true\n }\n};\n\nexport type CodecType = 'audio' | 'video';\n\nfunction isCodecType (codec: string, type: CodecType): boolean {\n const typeCodes = sampleEntryCodesISO[type];\n return !!typeCodes && typeCodes[codec.slice(0, 4)] === true;\n}\n\nfunction isCodecSupportedInMp4 (codec: string, type: CodecType): boolean {\n return MediaSource.isTypeSupported(`${type || 'video'}/mp4;codecs=\"${codec}\"`);\n}\n\nexport { isCodecType, isCodecSupportedInMp4 };\n","import * as URLToolkit from 'url-toolkit';\n\nimport Fragment from './fragment';\nimport Level from './level';\nimport LevelKey from './level-key';\n\nimport AttrList from '../utils/attr-list';\nimport { logger } from '../utils/logger';\nimport { isCodecType, CodecType } from '../utils/codecs';\nimport { MediaPlaylist, AudioGroup, MediaPlaylistType } from '../types/media-playlist';\nimport { PlaylistLevelType } from '../types/loader';\n\n/**\n * M3U8 parser\n * @module\n */\n\n// https://regex101.com is your friend\nconst MASTER_PLAYLIST_REGEX = /#EXT-X-STREAM-INF:([^\\n\\r]*)[\\r\\n]+([^\\r\\n]+)/g;\nconst MASTER_PLAYLIST_MEDIA_REGEX = /#EXT-X-MEDIA:(.*)/g;\n\nconst LEVEL_PLAYLIST_REGEX_FAST = new RegExp([\n /#EXTINF:\\s*(\\d*(?:\\.\\d+)?)(?:,(.*)\\s+)?/.source, // duration (#EXTINF:<duration>,<title>), group 1 => duration, group 2 => title\n /|(?!#)([\\S+ ?]+)/.source, // segment URI, group 3 => the URI (note newline is not eaten)\n /|#EXT-X-BYTERANGE:*(.+)/.source, // next segment's byterange, group 4 => range spec (x@y)\n /|#EXT-X-PROGRAM-DATE-TIME:(.+)/.source, // next segment's program date/time group 5 => the datetime spec\n /|#.*/.source // All other non-segment oriented tags will match with all groups empty\n].join(''), 'g');\n\nconst LEVEL_PLAYLIST_REGEX_SLOW = /(?:(?:#(EXTM3U))|(?:#EXT-X-(PLAYLIST-TYPE):(.+))|(?:#EXT-X-(MEDIA-SEQUENCE): *(\\d+))|(?:#EXT-X-(TARGETDURATION): *(\\d+))|(?:#EXT-X-(KEY):(.+))|(?:#EXT-X-(START):(.+))|(?:#EXT-X-(ENDLIST))|(?:#EXT-X-(DISCONTINUITY-SEQ)UENCE:(\\d+))|(?:#EXT-X-(DIS)CONTINUITY))|(?:#EXT-X-(VERSION):(\\d+))|(?:#EXT-X-(MAP):(.+))|(?:(#)([^:]*):(.*))|(?:(#)(.*))(?:.*)\\r?\\n?/;\n\nconst MP4_REGEX_SUFFIX = /\\.(mp4|m4s|m4v|m4a)$/i;\n\nexport default class M3U8Parser {\n static findGroup (groups: Array<AudioGroup>, mediaGroupId: string): AudioGroup | undefined {\n for (let i = 0; i < groups.length; i++) {\n const group = groups[i];\n if (group.id === mediaGroupId) {\n return group;\n }\n }\n }\n\n static convertAVC1ToAVCOTI (codec) {\n let avcdata = codec.split('.');\n let result;\n if (avcdata.length > 2) {\n result = avcdata.shift() + '.';\n result += parseInt(avcdata.shift()).toString(16);\n result += ('000' + parseInt(avcdata.shift()).toString(16)).substr(-4);\n } else {\n result = codec;\n }\n return result;\n }\n\n static resolve (url, baseUrl) {\n return URLToolkit.buildAbsoluteURL(baseUrl, url, { alwaysNormalize: true });\n }\n\n static parseMasterPlaylist (string: string, baseurl: string) {\n // TODO(typescript-level)\n let levels: Array<any> = [];\n MASTER_PLAYLIST_REGEX.lastIndex = 0;\n\n // TODO(typescript-level)\n function setCodecs (codecs: Array<string>, level: any) {\n ['video', 'audio'].forEach((type: CodecType) => {\n const filtered = codecs.filter((codec) => isCodecType(codec, type));\n if (filtered.length) {\n const preferred = filtered.filter((codec) => {\n return codec.lastIndexOf('avc1', 0) === 0 || codec.lastIndexOf('mp4a', 0) === 0;\n });\n level[`${type}Codec`] = preferred.length > 0 ? preferred[0] : filtered[0];\n\n // remove from list\n codecs = codecs.filter((codec) => filtered.indexOf(codec) === -1);\n }\n });\n\n level.unknownCodecs = codecs;\n }\n\n let result: RegExpExecArray | null;\n while ((result = MASTER_PLAYLIST_REGEX.exec(string)) != null) {\n // TODO(typescript-level)\n const level: any = {};\n\n const attrs = level.attrs = new AttrList(result[1]);\n level.url = M3U8Parser.resolve(result[2], baseurl);\n\n const resolution = attrs.decimalResolution('RESOLUTION');\n if (resolution) {\n level.width = resolution.width;\n level.height = resolution.height;\n }\n level.bitrate = attrs.decimalInteger('AVERAGE-BANDWIDTH') || attrs.decimalInteger('BANDWIDTH');\n level.name = attrs.NAME;\n\n setCodecs([].concat((attrs.CODECS || '').split(/[ ,]+/)), level);\n\n if (level.videoCodec && level.videoCodec.indexOf('avc1') !== -1) {\n level.videoCodec = M3U8Parser.convertAVC1ToAVCOTI(level.videoCodec);\n }\n\n levels.push(level);\n }\n return levels;\n }\n\n static parseMasterPlaylistMedia (string: string, baseurl: string, type: MediaPlaylistType, audioGroups: Array<AudioGroup> = []): Array<MediaPlaylist> {\n let result: RegExpExecArray | null;\n let medias: Array<MediaPlaylist> = [];\n let id = 0;\n MASTER_PLAYLIST_MEDIA_REGEX.lastIndex = 0;\n while ((result = MASTER_PLAYLIST_MEDIA_REGEX.exec(string)) !== null) {\n const attrs = new AttrList(result[1]);\n if (attrs.TYPE === type) {\n const media: MediaPlaylist = {\n id: id++,\n groupId: attrs['GROUP-ID'],\n name: attrs.NAME || attrs.LANGUAGE,\n type,\n default: (attrs.DEFAULT === 'YES'),\n autoselect: (attrs.AUTOSELECT === 'YES'),\n forced: (attrs.FORCED === 'YES'),\n lang: attrs.LANGUAGE\n };\n\n if (attrs.URI) {\n media.url = M3U8Parser.resolve(attrs.URI, baseurl);\n }\n\n if (audioGroups.length) {\n // If there are audio groups signalled in the manifest, let's look for a matching codec string for this track\n const groupCodec = M3U8Parser.findGroup(audioGroups, media.groupId as string);\n\n // If we don't find the track signalled, lets use the first audio groups codec we have\n // Acting as a best guess\n media.audioCodec = groupCodec ? groupCodec.codec : audioGroups[0].codec;\n }\n\n medias.push(media);\n }\n }\n return medias;\n }\n\n static parseLevelPlaylist (string: string, baseurl: string, id: number, type: PlaylistLevelType, levelUrlId: number) {\n let currentSN = 0;\n let totalduration = 0;\n let level = new Level(baseurl);\n let discontinuityCounter = 0;\n let prevFrag: Fragment | null = null;\n let frag: Fragment | null = new Fragment();\n let result: RegExpExecArray | RegExpMatchArray | null;\n let i: number;\n let levelkey: LevelKey | undefined;\n\n let firstPdtIndex = null;\n\n LEVEL_PLAYLIST_REGEX_FAST.lastIndex = 0;\n\n while ((result = LEVEL_PLAYLIST_REGEX_FAST.exec(string)) !== null) {\n const duration = result[1];\n if (duration) { // INF\n frag.duration = parseFloat(duration);\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n const title = (' ' + result[2]).slice(1);\n frag.title = title || null;\n frag.tagList.push(title ? [ 'INF', duration, title ] : [ 'INF', duration ]);\n } else if (result[3]) { // url\n if (Number.isFinite(frag.duration)) {\n const sn = currentSN++;\n frag.type = type;\n frag.start = totalduration;\n if (levelkey) {\n frag.levelkey = levelkey;\n }\n frag.sn = sn;\n frag.level = id;\n frag.cc = discontinuityCounter;\n frag.urlId = levelUrlId;\n frag.baseurl = baseurl;\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n frag.relurl = (' ' + result[3]).slice(1);\n assignProgramDateTime(frag, prevFrag);\n\n level.fragments.push(frag);\n prevFrag = frag;\n totalduration += frag.duration;\n\n frag = new Fragment();\n }\n } else if (result[4]) { // X-BYTERANGE\n const data = (' ' + result[4]).slice(1);\n if (prevFrag) {\n frag.setByteRange(data, prevFrag);\n } else {\n frag.setByteRange(data);\n }\n } else if (result[5]) { // PROGRAM-DATE-TIME\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n frag.rawProgramDateTime = (' ' + result[5]).slice(1);\n frag.tagList.push(['PROGRAM-DATE-TIME', frag.rawProgramDateTime]);\n if (firstPdtIndex === null) {\n firstPdtIndex = level.fragments.length;\n }\n } else {\n result = result[0].match(LEVEL_PLAYLIST_REGEX_SLOW);\n if (!result) {\n logger.warn('No matches on slow regex match for level playlist!');\n continue;\n }\n for (i = 1; i < result.length; i++) {\n if (typeof result[i] !== 'undefined') {\n break;\n }\n }\n\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n const value1 = (' ' + result[i + 1]).slice(1);\n const value2 = (' ' + result[i + 2]).slice(1);\n\n switch (result[i]) {\n case '#':\n frag.tagList.push(value2 ? [ value1, value2 ] : [ value1 ]);\n break;\n case 'PLAYLIST-TYPE':\n level.type = value1.toUpperCase();\n break;\n case 'MEDIA-SEQUENCE':\n currentSN = level.startSN = parseInt(value1);\n break;\n case 'TARGETDURATION':\n level.targetduration = parseFloat(value1);\n break;\n case 'VERSION':\n level.version = parseInt(value1);\n break;\n case 'EXTM3U':\n break;\n case 'ENDLIST':\n level.live = false;\n break;\n case 'DIS':\n discontinuityCounter++;\n frag.tagList.push(['DIS']);\n break;\n case 'DISCONTINUITY-SEQ':\n discontinuityCounter = parseInt(value1);\n break;\n case 'KEY': {\n // https://tools.ietf.org/html/draft-pantos-http-live-streaming-08#section-3.4.4\n const decryptparams = value1;\n const keyAttrs = new AttrList(decryptparams);\n const decryptmethod = keyAttrs.enumeratedString('METHOD');\n const decrypturi = keyAttrs.URI;\n const decryptiv = keyAttrs.hexadecimalInteger('IV');\n\n if (decryptmethod) {\n levelkey = new LevelKey(baseurl, decrypturi);\n if ((decrypturi) && (['AES-128', 'SAMPLE-AES', 'SAMPLE-AES-CENC'].indexOf(decryptmethod) >= 0)) {\n levelkey.method = decryptmethod;\n levelkey.key = null;\n // Initialization Vector (IV)\n levelkey.iv = decryptiv;\n }\n }\n break;\n }\n case 'START': {\n const startAttrs = new AttrList(value1);\n const startTimeOffset = startAttrs.decimalFloatingPoint('TIME-OFFSET');\n // TIME-OFFSET can be 0\n if (Number.isFinite(startTimeOffset)) {\n level.startTimeOffset = startTimeOffset;\n }\n break;\n }\n case 'MAP': {\n const mapAttrs = new AttrList(value1);\n frag.relurl = mapAttrs.URI;\n if (mapAttrs.BYTERANGE) {\n frag.setByteRange(mapAttrs.BYTERANGE);\n }\n frag.baseurl = baseurl;\n frag.level = id;\n frag.type = type;\n frag.sn = 'initSegment';\n level.initSegment = frag;\n frag = new Fragment();\n frag.rawProgramDateTime = level.initSegment.rawProgramDateTime;\n break;\n }\n default:\n logger.warn(`line parsed but not handled: ${result}`);\n break;\n }\n }\n }\n frag = prevFrag;\n // logger.log('found ' + level.fragments.length + ' fragments');\n if (frag && !frag.relurl) {\n level.fragments.pop();\n totalduration -= frag.duration;\n }\n level.totalduration = totalduration;\n level.averagetargetduration = totalduration / level.fragments.length;\n level.endSN = currentSN - 1;\n level.startCC = level.fragments[0] ? level.fragments[0].cc : 0;\n level.endCC = discontinuityCounter;\n\n if (!level.initSegment && level.fragments.length) {\n // this is a bit lurky but HLS really has no other way to tell us\n // if the fragments are TS or MP4, except if we download them :/\n // but this is to be able to handle SIDX.\n if (level.fragments.every((frag) => MP4_REGEX_SUFFIX.test(frag.relurl))) {\n logger.warn('MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX');\n\n frag = new Fragment();\n frag.relurl = level.fragments[0].relurl;\n frag.baseurl = baseurl;\n frag.level = id;\n frag.type = type;\n frag.sn = 'initSegment';\n\n level.initSegment = frag;\n level.needSidxRanges = true;\n }\n }\n\n /**\n * Backfill any missing PDT values\n \"If the first EXT-X-PROGRAM-DATE-TIME tag in a Playlist appears after\n one or more Media Segment URIs, the client SHOULD extrapolate\n backward from that tag (using EXTINF durations and/or media\n timestamps) to associate dates with those segments.\"\n * We have already extrapolated forward, but all fragments up to the first instance of PDT do not have their PDTs\n * computed.\n */\n if (firstPdtIndex) {\n backfillProgramDateTimes(level.fragments, firstPdtIndex);\n }\n\n return level;\n }\n}\n\nfunction backfillProgramDateTimes (fragments, startIndex) {\n let fragPrev = fragments[startIndex];\n for (let i = startIndex - 1; i >= 0; i--) {\n const frag = fragments[i];\n frag.programDateTime = fragPrev.programDateTime - (frag.duration * 1000);\n fragPrev = frag;\n }\n}\n\nfunction assignProgramDateTime (frag, prevFrag) {\n if (frag.rawProgramDateTime) {\n frag.programDateTime = Date.parse(frag.rawProgramDateTime);\n } else if (prevFrag && prevFrag.programDateTime) {\n frag.programDateTime = prevFrag.endProgramDateTime;\n }\n\n if (!Number.isFinite(frag.programDateTime)) {\n frag.programDateTime = null;\n frag.rawProgramDateTime = null;\n }\n}\n","/**\n * PlaylistLoader - delegate for media manifest/playlist loading tasks. Takes care of parsing media to internal data-models.\n *\n * Once loaded, dispatches events with parsed data-models of manifest/levels/audio/subtitle tracks.\n *\n * Uses loader(s) set in config to do actual internal loading of resource tasks.\n *\n * @module\n *\n */\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport { Loader, PlaylistContextType, PlaylistLoaderContext, PlaylistLevelType, LoaderCallbacks, LoaderResponse, LoaderStats, LoaderConfiguration } from '../types/loader';\nimport MP4Demuxer from '../demux/mp4demuxer';\nimport M3U8Parser from './m3u8-parser';\nimport { AudioGroup } from '../types/media-playlist';\n\nconst { performance } = window;\n\n/**\n * @constructor\n */\nclass PlaylistLoader extends EventHandler {\n private loaders: Partial<Record<PlaylistContextType, Loader<PlaylistLoaderContext>>> = {};\n\n /**\n * @constructs\n * @param {Hls} hls\n */\n constructor (hls) {\n super(hls,\n Event.MANIFEST_LOADING,\n Event.LEVEL_LOADING,\n Event.AUDIO_TRACK_LOADING,\n Event.SUBTITLE_TRACK_LOADING);\n }\n\n /**\n * @param {PlaylistContextType} type\n * @returns {boolean}\n */\n static canHaveQualityLevels (type: PlaylistContextType): boolean {\n return (type !== PlaylistContextType.AUDIO_TRACK &&\n type !== PlaylistContextType.SUBTITLE_TRACK);\n }\n\n /**\n * Map context.type to LevelType\n * @param {PlaylistLoaderContext} context\n * @returns {LevelType}\n */\n static mapContextToLevelType (context: PlaylistLoaderContext): PlaylistLevelType {\n const { type } = context;\n\n switch (type) {\n case PlaylistContextType.AUDIO_TRACK:\n return PlaylistLevelType.AUDIO;\n case PlaylistContextType.SUBTITLE_TRACK:\n return PlaylistLevelType.SUBTITLE;\n default:\n return PlaylistLevelType.MAIN;\n }\n }\n\n static getResponseUrl (response: LoaderResponse, context: PlaylistLoaderContext): string {\n let url = response.url;\n // responseURL not supported on some browsers (it is used to detect URL redirection)\n // data-uri mode also not supported (but no need to detect redirection)\n if (url === undefined || url.indexOf('data:') === 0) {\n // fallback to initial URL\n url = context.url;\n }\n return url;\n }\n\n /**\n * Returns defaults or configured loader-type overloads (pLoader and loader config params)\n * Default loader is XHRLoader (see utils)\n * @param {PlaylistLoaderContext} context\n * @returns {Loader} or other compatible configured overload\n */\n createInternalLoader (context: PlaylistLoaderContext): Loader<PlaylistLoaderContext> {\n const config = this.hls.config;\n const PLoader = config.pLoader;\n const Loader = config.loader;\n // TODO(typescript-config): Verify once config is typed that InternalLoader always returns a Loader\n const InternalLoader = PLoader || Loader;\n\n const loader = new InternalLoader(config);\n\n // TODO - Do we really need to assign the instance or if the dep has been lost\n context.loader = loader;\n this.loaders[context.type] = loader;\n\n return loader;\n }\n\n getInternalLoader (context: PlaylistLoaderContext): Loader<PlaylistLoaderContext> | undefined {\n return this.loaders[context.type];\n }\n\n resetInternalLoader (contextType: PlaylistContextType) {\n if (this.loaders[contextType]) {\n delete this.loaders[contextType];\n }\n }\n\n /**\n * Call `destroy` on all internal loader instances mapped (one per context type)\n */\n destroyInternalLoaders () {\n for (let contextType in this.loaders) {\n let loader = this.loaders[contextType];\n if (loader) {\n loader.destroy();\n }\n\n this.resetInternalLoader(contextType as PlaylistContextType);\n }\n }\n\n destroy () {\n this.destroyInternalLoaders();\n\n super.destroy();\n }\n\n onManifestLoading (data: { url: string; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.MANIFEST,\n level: 0,\n id: null,\n responseType: 'text'\n });\n }\n\n onLevelLoading (data: { url: string; level: number | null; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.LEVEL,\n level: data.level,\n id: data.id,\n responseType: 'text'\n });\n }\n\n onAudioTrackLoading (data: { url: string; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.AUDIO_TRACK,\n level: null,\n id: data.id,\n responseType: 'text'\n });\n }\n\n onSubtitleTrackLoading (data: { url: string; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.SUBTITLE_TRACK,\n level: null,\n id: data.id,\n responseType: 'text'\n });\n }\n\n load (context: PlaylistLoaderContext): boolean {\n const config = this.hls.config;\n\n logger.debug(`Loading playlist of type ${context.type}, level: ${context.level}, id: ${context.id}`);\n\n // Check if a loader for this context already exists\n let loader = this.getInternalLoader(context);\n if (loader) {\n const loaderContext = loader.context;\n if (loaderContext && loaderContext.url === context.url) { // same URL can't overlap\n logger.trace('playlist request ongoing');\n return false;\n } else {\n logger.warn(`aborting previous loader for type: ${context.type}`);\n loader.abort();\n }\n }\n\n let maxRetry: number;\n let timeout: number;\n let retryDelay: number;\n let maxRetryDelay: number;\n\n // apply different configs for retries depending on\n // context (manifest, level, audio/subs playlist)\n switch (context.type) {\n case PlaylistContextType.MANIFEST:\n maxRetry = config.manifestLoadingMaxRetry;\n timeout = config.manifestLoadingTimeOut;\n retryDelay = config.manifestLoadingRetryDelay;\n maxRetryDelay = config.manifestLoadingMaxRetryTimeout;\n break;\n case PlaylistContextType.LEVEL:\n // Disable internal loader retry logic, since we are managing retries in Level Controller\n maxRetry = 0;\n maxRetryDelay = 0;\n retryDelay = 0;\n timeout = config.levelLoadingTimeOut;\n // TODO Introduce retry settings for audio-track and subtitle-track, it should not use level retry config\n break;\n default:\n maxRetry = config.levelLoadingMaxRetry;\n timeout = config.levelLoadingTimeOut;\n retryDelay = config.levelLoadingRetryDelay;\n maxRetryDelay = config.levelLoadingMaxRetryTimeout;\n break;\n }\n\n loader = this.createInternalLoader(context);\n\n const loaderConfig: LoaderConfiguration = {\n timeout,\n maxRetry,\n retryDelay,\n maxRetryDelay\n };\n\n const loaderCallbacks: LoaderCallbacks<PlaylistLoaderContext> = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this)\n };\n\n logger.debug(`Calling internal loader delegate for URL: ${context.url}`);\n loader.load(context, loaderConfig, loaderCallbacks);\n\n return true;\n }\n\n loadsuccess (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown = null) {\n if (context.isSidxRequest) {\n this._handleSidxRequest(response, context);\n this._handlePlaylistLoaded(response, stats, context, networkDetails);\n return;\n }\n\n this.resetInternalLoader(context.type);\n if (typeof response.data !== 'string') {\n throw new Error('expected responseType of \"text\" for PlaylistLoader');\n }\n\n const string = response.data;\n\n stats.tload = performance.now();\n // stats.mtime = new Date(target.getResponseHeader('Last-Modified'));\n\n // Validate if it is an M3U8 at all\n if (string.indexOf('#EXTM3U') !== 0) {\n this._handleManifestParsingError(response, context, 'no EXTM3U delimiter', networkDetails);\n return;\n }\n\n // Check if chunk-list or master. handle empty chunk list case (first EXTINF not signaled, but TARGETDURATION present)\n if (string.indexOf('#EXTINF:') > 0 || string.indexOf('#EXT-X-TARGETDURATION:') > 0) {\n this._handleTrackOrLevelPlaylist(response, stats, context, networkDetails);\n } else {\n this._handleMasterPlaylist(response, stats, context, networkDetails);\n }\n }\n\n loaderror (response: LoaderResponse, context: PlaylistLoaderContext, networkDetails = null) {\n this._handleNetworkError(context, networkDetails, false, response);\n }\n\n loadtimeout (stats: LoaderStats, context: PlaylistLoaderContext, networkDetails = null) {\n this._handleNetworkError(context, networkDetails, true);\n }\n\n // TODO(typescript-config): networkDetails can currently be a XHR or Fetch impl,\n // but with custom loaders it could be generic investigate this further when config is typed\n _handleMasterPlaylist (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const hls = this.hls;\n const string = response.data as string;\n\n const url = PlaylistLoader.getResponseUrl(response, context);\n const levels = M3U8Parser.parseMasterPlaylist(string, url);\n if (!levels.length) {\n this._handleManifestParsingError(response, context, 'no level found in manifest', networkDetails);\n return;\n }\n\n // multi level playlist, parse level info\n const audioGroups: Array<AudioGroup> = levels.map(level => ({\n id: level.attrs.AUDIO,\n codec: level.audioCodec\n }));\n\n const audioTracks = M3U8Parser.parseMasterPlaylistMedia(string, url, 'AUDIO', audioGroups);\n const subtitles = M3U8Parser.parseMasterPlaylistMedia(string, url, 'SUBTITLES');\n\n if (audioTracks.length) {\n // check if we have found an audio track embedded in main playlist (audio track without URI attribute)\n let embeddedAudioFound = false;\n audioTracks.forEach(audioTrack => {\n if (!audioTrack.url) {\n embeddedAudioFound = true;\n }\n });\n\n // if no embedded audio track defined, but audio codec signaled in quality level,\n // we need to signal this main audio track this could happen with playlists with\n // alt audio rendition in which quality levels (main)\n // contains both audio+video. but with mixed audio track not signaled\n if (embeddedAudioFound === false && levels[0].audioCodec && !levels[0].attrs.AUDIO) {\n logger.log('audio codec signaled in quality level, but no embedded audio track signaled, create one');\n audioTracks.unshift({\n type: 'main',\n name: 'main',\n default: false,\n autoselect: false,\n forced: false,\n id: -1\n });\n }\n }\n\n hls.trigger(Event.MANIFEST_LOADED, {\n levels,\n audioTracks,\n subtitles,\n url,\n stats,\n networkDetails\n });\n }\n\n _handleTrackOrLevelPlaylist (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const hls = this.hls;\n\n const { id, level, type } = context;\n\n const url = PlaylistLoader.getResponseUrl(response, context);\n\n // if the values are null, they will result in the else conditional\n const levelUrlId = Number.isFinite(id as number) ? id as number : 0;\n const levelId = Number.isFinite(level as number) ? level as number : levelUrlId;\n\n const levelType = PlaylistLoader.mapContextToLevelType(context);\n const levelDetails = M3U8Parser.parseLevelPlaylist(response.data as string, url, levelId, levelType, levelUrlId);\n\n // set stats on level structure\n // TODO(jstackhouse): why? mixing concerns, is it just treated as value bag?\n (levelDetails as any).tload = stats.tload;\n\n // We have done our first request (Manifest-type) and receive\n // not a master playlist but a chunk-list (track/level)\n // We fire the manifest-loaded event anyway with the parsed level-details\n // by creating a single-level structure for it.\n if (type === PlaylistContextType.MANIFEST) {\n const singleLevel = {\n url,\n details: levelDetails\n };\n\n hls.trigger(Event.MANIFEST_LOADED, {\n levels: [singleLevel],\n audioTracks: [],\n url,\n stats,\n networkDetails\n });\n }\n\n // save parsing time\n stats.tparsed = performance.now();\n\n // in case we need SIDX ranges\n // return early after calling load for\n // the SIDX box.\n if (levelDetails.needSidxRanges) {\n const sidxUrl = levelDetails.initSegment.url;\n this.load({\n url: sidxUrl,\n isSidxRequest: true,\n type,\n level,\n levelDetails,\n id,\n rangeStart: 0,\n rangeEnd: 2048,\n responseType: 'arraybuffer'\n });\n return;\n }\n\n // extend the context with the new levelDetails property\n context.levelDetails = levelDetails;\n\n this._handlePlaylistLoaded(response, stats, context, networkDetails);\n }\n\n _handleSidxRequest (response: LoaderResponse, context: PlaylistLoaderContext) {\n if (typeof response.data === 'string') {\n throw new Error('sidx request must be made with responseType of array buffer');\n }\n\n const sidxInfo = MP4Demuxer.parseSegmentIndex(new Uint8Array(response.data));\n // if provided fragment does not contain sidx, early return\n if (!sidxInfo) {\n return;\n }\n const sidxReferences = sidxInfo.references;\n const levelDetails = context.levelDetails;\n sidxReferences.forEach((segmentRef, index) => {\n const segRefInfo = segmentRef.info;\n if (!levelDetails) {\n return;\n }\n const frag = levelDetails.fragments[index];\n if (frag.byteRange.length === 0) {\n frag.setByteRange(String(1 + segRefInfo.end - segRefInfo.start) + '@' + String(segRefInfo.start));\n }\n });\n\n if (levelDetails) {\n levelDetails.initSegment.setByteRange(String(sidxInfo.moovEndOffset) + '@0');\n }\n }\n\n _handleManifestParsingError (response: LoaderResponse, context: PlaylistLoaderContext, reason: string, networkDetails: unknown) {\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.NETWORK_ERROR,\n details: ErrorDetails.MANIFEST_PARSING_ERROR,\n fatal: true,\n url: response.url,\n reason,\n networkDetails\n });\n }\n\n _handleNetworkError (context: PlaylistLoaderContext, networkDetails: unknown, timeout: boolean = false, response: LoaderResponse | null = null) {\n logger.info(`A network error occured while loading a ${context.type}-type playlist`);\n\n let details;\n let fatal;\n\n const loader = this.getInternalLoader(context);\n\n switch (context.type) {\n case PlaylistContextType.MANIFEST:\n details = (timeout ? ErrorDetails.MANIFEST_LOAD_TIMEOUT : ErrorDetails.MANIFEST_LOAD_ERROR);\n fatal = true;\n break;\n case PlaylistContextType.LEVEL:\n details = (timeout ? ErrorDetails.LEVEL_LOAD_TIMEOUT : ErrorDetails.LEVEL_LOAD_ERROR);\n fatal = false;\n break;\n case PlaylistContextType.AUDIO_TRACK:\n details = (timeout ? ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT : ErrorDetails.AUDIO_TRACK_LOAD_ERROR);\n fatal = false;\n break;\n default:\n // details = ...?\n fatal = false;\n }\n\n if (loader) {\n loader.abort();\n this.resetInternalLoader(context.type);\n }\n\n // TODO(typescript-events): when error events are handled, type this\n let errorData: any = {\n type: ErrorTypes.NETWORK_ERROR,\n details,\n fatal,\n url: context.url,\n loader,\n context,\n networkDetails\n };\n\n if (response) {\n errorData.response = response;\n }\n\n this.hls.trigger(Event.ERROR, errorData);\n }\n\n _handlePlaylistLoaded (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const { type, level, id, levelDetails } = context;\n\n if (!levelDetails || !levelDetails.targetduration) {\n this._handleManifestParsingError(response, context, 'invalid target duration', networkDetails);\n return;\n }\n\n const canHaveLevels = PlaylistLoader.canHaveQualityLevels(context.type);\n if (canHaveLevels) {\n this.hls.trigger(Event.LEVEL_LOADED, {\n details: levelDetails,\n level: level || 0,\n id: id || 0,\n stats,\n networkDetails\n });\n } else {\n switch (type) {\n case PlaylistContextType.AUDIO_TRACK:\n this.hls.trigger(Event.AUDIO_TRACK_LOADED, {\n details: levelDetails,\n id,\n stats,\n networkDetails\n });\n break;\n case PlaylistContextType.SUBTITLE_TRACK:\n this.hls.trigger(Event.SUBTITLE_TRACK_LOADED, {\n details: levelDetails,\n id,\n stats,\n networkDetails\n });\n break;\n }\n }\n }\n}\n\nexport default PlaylistLoader;\n","/*\n * Fragment Loader\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\n\nclass FragmentLoader extends EventHandler {\n constructor (hls) {\n super(hls, Event.FRAG_LOADING);\n this.loaders = {};\n }\n\n destroy () {\n let loaders = this.loaders;\n for (let loaderName in loaders) {\n let loader = loaders[loaderName];\n if (loader) {\n loader.destroy();\n }\n }\n this.loaders = {};\n\n super.destroy();\n }\n\n onFragLoading (data) {\n const frag = data.frag,\n type = frag.type,\n loaders = this.loaders,\n config = this.hls.config,\n FragmentILoader = config.fLoader,\n DefaultILoader = config.loader;\n\n // reset fragment state\n frag.loaded = 0;\n\n let loader = loaders[type];\n if (loader) {\n logger.warn(`abort previous fragment loader for type: ${type}`);\n loader.abort();\n }\n\n loader = loaders[type] = frag.loader =\n config.fLoader ? new FragmentILoader(config) : new DefaultILoader(config);\n\n let loaderContext, loaderConfig, loaderCallbacks;\n\n loaderContext = { url: frag.url, frag: frag, responseType: 'arraybuffer', progressData: false };\n\n let start = frag.byteRangeStartOffset,\n end = frag.byteRangeEndOffset;\n\n if (Number.isFinite(start) && Number.isFinite(end)) {\n loaderContext.rangeStart = start;\n loaderContext.rangeEnd = end;\n }\n\n loaderConfig = {\n timeout: config.fragLoadingTimeOut,\n maxRetry: 0,\n retryDelay: 0,\n maxRetryDelay: config.fragLoadingMaxRetryTimeout\n };\n\n loaderCallbacks = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this),\n onProgress: this.loadprogress.bind(this)\n };\n\n loader.load(loaderContext, loaderConfig, loaderCallbacks);\n }\n\n loadsuccess (response, stats, context, networkDetails = null) {\n let payload = response.data, frag = context.frag;\n // detach fragment loader on load success\n frag.loader = undefined;\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.FRAG_LOADED, { payload: payload, frag: frag, stats: stats, networkDetails: networkDetails });\n }\n\n loaderror (response, context, networkDetails = null) {\n const frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.FRAG_LOAD_ERROR, fatal: false, frag: context.frag, response: response, networkDetails: networkDetails });\n }\n\n loadtimeout (stats, context, networkDetails = null) {\n const frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.FRAG_LOAD_TIMEOUT, fatal: false, frag: context.frag, networkDetails: networkDetails });\n }\n\n // data will be used for progressive parsing\n loadprogress (stats, context, data, networkDetails = null) { // jshint ignore:line\n let frag = context.frag;\n frag.loaded = stats.loaded;\n this.hls.trigger(Event.FRAG_LOAD_PROGRESS, { frag: frag, stats: stats, networkDetails: networkDetails });\n }\n}\n\nexport default FragmentLoader;\n","/*\n * Decrypt key Loader\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport Hls from '../hls';\nimport Fragment from './fragment';\nimport { LoaderStats, LoaderResponse, LoaderContext, LoaderConfiguration, LoaderCallbacks } from '../types/loader';\n\ninterface OnKeyLoadingPayload {\n frag: Fragment\n}\n\ninterface KeyLoaderContext extends LoaderContext {\n frag: Fragment\n}\n\nclass KeyLoader extends EventHandler {\n public loaders = {};\n public decryptkey: Uint8Array | null = null;\n public decrypturl: string | null = null;\n\n constructor (hls: Hls) {\n super(hls, Event.KEY_LOADING);\n }\n\n destroy (): void {\n for (const loaderName in this.loaders) {\n let loader = this.loaders[loaderName];\n if (loader) {\n loader.destroy();\n }\n }\n this.loaders = {};\n\n super.destroy();\n }\n\n onKeyLoading (data: OnKeyLoadingPayload) {\n const { frag } = data;\n const type = frag.type;\n const loader = this.loaders[type];\n if (!frag.decryptdata) {\n logger.warn('Missing decryption data on fragment in onKeyLoading');\n return;\n }\n\n // Load the key if the uri is different from previous one, or if the decrypt key has not yet been retrieved\n const uri = frag.decryptdata.uri;\n if (uri !== this.decrypturl || this.decryptkey === null) {\n let config = this.hls.config;\n if (loader) {\n logger.warn(`abort previous key loader for type:${type}`);\n loader.abort();\n }\n if (!uri) {\n logger.warn('key uri is falsy');\n return;\n }\n\n frag.loader = this.loaders[type] = new config.loader(config);\n this.decrypturl = uri;\n this.decryptkey = null;\n\n const loaderContext: KeyLoaderContext = {\n url: uri,\n frag: frag,\n responseType: 'arraybuffer'\n };\n\n // maxRetry is 0 so that instead of retrying the same key on the same variant multiple times,\n // key-loader will trigger an error and rely on stream-controller to handle retry logic.\n // this will also align retry logic with fragment-loader\n const loaderConfig: LoaderConfiguration = {\n timeout: config.fragLoadingTimeOut,\n maxRetry: 0,\n retryDelay: config.fragLoadingRetryDelay,\n maxRetryDelay: config.fragLoadingMaxRetryTimeout\n };\n\n const loaderCallbacks: LoaderCallbacks<KeyLoaderContext> = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this)\n };\n\n frag.loader.load(loaderContext, loaderConfig, loaderCallbacks);\n } else if (this.decryptkey) {\n // Return the key if it's already been loaded\n frag.decryptdata.key = this.decryptkey;\n this.hls.trigger(Event.KEY_LOADED, { frag: frag });\n }\n }\n\n loadsuccess (response: LoaderResponse, stats: LoaderStats, context: KeyLoaderContext) {\n let frag = context.frag;\n if (!frag.decryptdata) {\n logger.error('after key load, decryptdata unset');\n return;\n }\n this.decryptkey = frag.decryptdata.key = new Uint8Array(response.data as ArrayBuffer);\n\n // detach fragment loader on load success\n frag.loader = undefined;\n delete this.loaders[frag.type];\n this.hls.trigger(Event.KEY_LOADED, { frag: frag });\n }\n\n loaderror (response: LoaderResponse, context: KeyLoaderContext) {\n let frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n delete this.loaders[frag.type];\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.KEY_LOAD_ERROR, fatal: false, frag, response });\n }\n\n loadtimeout (stats: LoaderStats, context: KeyLoaderContext) {\n let frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n delete this.loaders[frag.type];\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.KEY_LOAD_TIMEOUT, fatal: false, frag });\n }\n}\n\nexport default KeyLoader;\n","import EventHandler from '../event-handler';\nimport Event from '../events';\n\nexport const FragmentState = {\n NOT_LOADED: 'NOT_LOADED',\n APPENDING: 'APPENDING',\n PARTIAL: 'PARTIAL',\n OK: 'OK'\n};\n\nexport class FragmentTracker extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.BUFFER_APPENDED,\n Event.FRAG_BUFFERED,\n Event.FRAG_LOADED\n );\n\n this.bufferPadding = 0.2;\n\n this.fragments = Object.create(null);\n this.timeRanges = Object.create(null);\n\n this.config = hls.config;\n }\n\n destroy () {\n this.fragments = Object.create(null);\n this.timeRanges = Object.create(null);\n this.config = null;\n EventHandler.prototype.destroy.call(this);\n super.destroy();\n }\n\n /**\n * Return a Fragment that match the position and levelType.\n * If not found any Fragment, return null\n * @param {number} position\n * @param {LevelType} levelType\n * @returns {Fragment|null}\n */\n getBufferedFrag (position, levelType) {\n const fragments = this.fragments;\n const bufferedFrags = Object.keys(fragments).filter(key => {\n const fragmentEntity = fragments[key];\n if (fragmentEntity.body.type !== levelType) {\n return false;\n }\n\n if (!fragmentEntity.buffered) {\n return false;\n }\n\n const frag = fragmentEntity.body;\n return frag.startPTS <= position && position <= frag.endPTS;\n });\n if (bufferedFrags.length === 0) {\n return null;\n } else {\n // https://github.com/video-dev/hls.js/pull/1545#discussion_r166229566\n const bufferedFragKey = bufferedFrags.pop();\n return fragments[bufferedFragKey].body;\n }\n }\n\n /**\n * Partial fragments effected by coded frame eviction will be removed\n * The browser will unload parts of the buffer to free up memory for new buffer data\n * Fragments will need to be reloaded when the buffer is freed up, removing partial fragments will allow them to reload(since there might be parts that are still playable)\n * @param {String} elementaryStream The elementaryStream of media this is (eg. video/audio)\n * @param {TimeRanges} timeRange TimeRange object from a sourceBuffer\n */\n detectEvictedFragments (elementaryStream, timeRange) {\n let fragmentTimes, time;\n // Check if any flagged fragments have been unloaded\n Object.keys(this.fragments).forEach(key => {\n const fragmentEntity = this.fragments[key];\n if (fragmentEntity.buffered === true) {\n const esData = fragmentEntity.range[elementaryStream];\n if (esData) {\n fragmentTimes = esData.time;\n for (let i = 0; i < fragmentTimes.length; i++) {\n time = fragmentTimes[i];\n\n if (this.isTimeBuffered(time.startPTS, time.endPTS, timeRange) === false) {\n // Unregister partial fragment as it needs to load again to be reused\n this.removeFragment(fragmentEntity.body);\n break;\n }\n }\n }\n }\n });\n }\n\n /**\n * Checks if the fragment passed in is loaded in the buffer properly\n * Partially loaded fragments will be registered as a partial fragment\n * @param {Object} fragment Check the fragment against all sourceBuffers loaded\n */\n detectPartialFragments (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n let fragmentEntity = this.fragments[fragKey];\n if (fragmentEntity) {\n fragmentEntity.buffered = true;\n\n Object.keys(this.timeRanges).forEach(elementaryStream => {\n if (fragment.hasElementaryStream(elementaryStream)) {\n let timeRange = this.timeRanges[elementaryStream];\n // Check for malformed fragments\n // Gaps need to be calculated for each elementaryStream\n fragmentEntity.range[elementaryStream] = this.getBufferedTimes(fragment.startPTS, fragment.endPTS, timeRange);\n }\n });\n }\n }\n\n getBufferedTimes (startPTS, endPTS, timeRange) {\n let fragmentTimes = [];\n let startTime, endTime;\n let fragmentPartial = false;\n for (let i = 0; i < timeRange.length; i++) {\n startTime = timeRange.start(i) - this.bufferPadding;\n endTime = timeRange.end(i) + this.bufferPadding;\n if (startPTS >= startTime && endPTS <= endTime) {\n // Fragment is entirely contained in buffer\n // No need to check the other timeRange times since it's completely playable\n fragmentTimes.push({\n startPTS: Math.max(startPTS, timeRange.start(i)),\n endPTS: Math.min(endPTS, timeRange.end(i))\n });\n break;\n } else if (startPTS < endTime && endPTS > startTime) {\n // Check for intersection with buffer\n // Get playable sections of the fragment\n fragmentTimes.push({\n startPTS: Math.max(startPTS, timeRange.start(i)),\n endPTS: Math.min(endPTS, timeRange.end(i))\n });\n fragmentPartial = true;\n } else if (endPTS <= startTime) {\n // No need to check the rest of the timeRange as it is in order\n break;\n }\n }\n\n return {\n time: fragmentTimes,\n partial: fragmentPartial\n };\n }\n\n getFragmentKey (fragment) {\n return `${fragment.type}_${fragment.level}_${fragment.urlId}_${fragment.sn}`;\n }\n\n /**\n * Gets the partial fragment for a certain time\n * @param {Number} time\n * @returns {Object} fragment Returns a partial fragment at a time or null if there is no partial fragment\n */\n getPartialFragment (time) {\n let timePadding, startTime, endTime;\n let bestFragment = null;\n let bestOverlap = 0;\n Object.keys(this.fragments).forEach(key => {\n const fragmentEntity = this.fragments[key];\n if (this.isPartial(fragmentEntity)) {\n startTime = fragmentEntity.body.startPTS - this.bufferPadding;\n endTime = fragmentEntity.body.endPTS + this.bufferPadding;\n if (time >= startTime && time <= endTime) {\n // Use the fragment that has the most padding from start and end time\n timePadding = Math.min(time - startTime, endTime - time);\n if (bestOverlap <= timePadding) {\n bestFragment = fragmentEntity.body;\n bestOverlap = timePadding;\n }\n }\n }\n });\n return bestFragment;\n }\n\n /**\n * @param {Object} fragment The fragment to check\n * @returns {String} Returns the fragment state when a fragment never loaded or if it partially loaded\n */\n getState (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n let fragmentEntity = this.fragments[fragKey];\n let state = FragmentState.NOT_LOADED;\n\n if (fragmentEntity !== undefined) {\n if (!fragmentEntity.buffered) {\n state = FragmentState.APPENDING;\n } else if (this.isPartial(fragmentEntity) === true) {\n state = FragmentState.PARTIAL;\n } else {\n state = FragmentState.OK;\n }\n }\n\n return state;\n }\n\n isPartial (fragmentEntity) {\n return fragmentEntity.buffered === true &&\n ((fragmentEntity.range.video !== undefined && fragmentEntity.range.video.partial === true) ||\n (fragmentEntity.range.audio !== undefined && fragmentEntity.range.audio.partial === true));\n }\n\n isTimeBuffered (startPTS, endPTS, timeRange) {\n let startTime, endTime;\n for (let i = 0; i < timeRange.length; i++) {\n startTime = timeRange.start(i) - this.bufferPadding;\n endTime = timeRange.end(i) + this.bufferPadding;\n if (startPTS >= startTime && endPTS <= endTime) {\n return true;\n }\n\n if (endPTS <= startTime) {\n // No need to check the rest of the timeRange as it is in order\n return false;\n }\n }\n\n return false;\n }\n\n /**\n * Fires when a fragment loading is completed\n */\n onFragLoaded (e) {\n const fragment = e.frag;\n // don't track initsegment (for which sn is not a number)\n // don't track frags used for bitrateTest, they're irrelevant.\n if (!Number.isFinite(fragment.sn) || fragment.bitrateTest) {\n return;\n }\n\n this.fragments[this.getFragmentKey(fragment)] = {\n body: fragment,\n range: Object.create(null),\n buffered: false\n };\n }\n\n /**\n * Fires when the buffer is updated\n */\n onBufferAppended (e) {\n // Store the latest timeRanges loaded in the buffer\n this.timeRanges = e.timeRanges;\n Object.keys(this.timeRanges).forEach(elementaryStream => {\n let timeRange = this.timeRanges[elementaryStream];\n this.detectEvictedFragments(elementaryStream, timeRange);\n });\n }\n\n /**\n * Fires after a fragment has been loaded into the source buffer\n */\n onFragBuffered (e) {\n this.detectPartialFragments(e.frag);\n }\n\n /**\n * Return true if fragment tracker has the fragment.\n * @param {Object} fragment\n * @returns {boolean}\n */\n hasFragment (fragment) {\n const fragKey = this.getFragmentKey(fragment);\n return this.fragments[fragKey] !== undefined;\n }\n\n /**\n * Remove a fragment from fragment tracker until it is loaded again\n * @param {Object} fragment The fragment to remove\n */\n removeFragment (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n delete this.fragments[fragKey];\n }\n\n /**\n * Remove all fragments from fragment tracker.\n */\n removeAllFragments () {\n this.fragments = Object.create(null);\n }\n}\n","type BinarySearchComparison < T > = (candidate: T) => -1 | 0 | 1;\n\nconst BinarySearch = {\n\n /**\n * Searches for an item in an array which matches a certain condition.\n * This requires the condition to only match one item in the array,\n * and for the array to be ordered.\n *\n * @param {Array<T>} list The array to search.\n * @param {BinarySearchComparison<T>} comparisonFn\n * Called and provided a candidate item as the first argument.\n * Should return:\n * > -1 if the item should be located at a lower index than the provided item.\n * > 1 if the item should be located at a higher index than the provided item.\n * > 0 if the item is the item you're looking for.\n *\n * @return {T | null} The object if it is found or null otherwise.\n */\n search: function<T> (list: T[], comparisonFn: BinarySearchComparison<T>): T | null {\n let minIndex: number = 0;\n let maxIndex: number = list.length - 1;\n let currentIndex: number | null = null;\n let currentElement: T | null = null;\n\n while (minIndex <= maxIndex) {\n currentIndex = (minIndex + maxIndex) / 2 | 0;\n currentElement = list[currentIndex];\n\n let comparisonResult = comparisonFn(currentElement);\n if (comparisonResult > 0) {\n minIndex = currentIndex + 1;\n } else if (comparisonResult < 0) {\n maxIndex = currentIndex - 1;\n } else {\n return currentElement;\n }\n }\n\n return null;\n }\n};\n\nexport default BinarySearch;\n","/**\n * @module BufferHelper\n *\n * Providing methods dealing with buffer length retrieval for example.\n *\n * In general, a helper around HTML5 MediaElement TimeRanges gathered from `buffered` property.\n *\n * Also @see https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/buffered\n*/\n\ntype BufferTimeRange = {\n start: number\n end: number\n};\n\ntype Bufferable = {\n buffered: TimeRanges\n};\n\nexport class BufferHelper {\n /**\n * Return true if `media`'s buffered include `position`\n * @param {Bufferable} media\n * @param {number} position\n * @returns {boolean}\n */\n static isBuffered (media: Bufferable, position: number): boolean {\n try {\n if (media) {\n let buffered = media.buffered;\n for (let i = 0; i < buffered.length; i++) {\n if (position >= buffered.start(i) && position <= buffered.end(i)) {\n return true;\n }\n }\n }\n } catch (error) {\n // this is to catch\n // InvalidStateError: Failed to read the 'buffered' property from 'SourceBuffer':\n // This SourceBuffer has been removed from the parent media source\n }\n return false;\n }\n\n static bufferInfo (\n media: Bufferable,\n pos: number,\n maxHoleDuration: number\n ): {\n len: number,\n start: number,\n end: number,\n nextStart?: number,\n } {\n try {\n if (media) {\n let vbuffered = media.buffered;\n let buffered: BufferTimeRange[] = [];\n let i: number;\n for (i = 0; i < vbuffered.length; i++) {\n buffered.push({ start: vbuffered.start(i), end: vbuffered.end(i) });\n }\n\n return this.bufferedInfo(buffered, pos, maxHoleDuration);\n }\n } catch (error) {\n // this is to catch\n // InvalidStateError: Failed to read the 'buffered' property from 'SourceBuffer':\n // This SourceBuffer has been removed from the parent media source\n }\n return { len: 0, start: pos, end: pos, nextStart: undefined };\n }\n\n static bufferedInfo (\n buffered: BufferTimeRange[],\n pos: number,\n maxHoleDuration: number\n ): {\n len: number,\n start: number,\n end: number,\n nextStart?: number,\n } {\n // sort on buffer.start/smaller end (IE does not always return sorted buffered range)\n buffered.sort(function (a, b) {\n let diff = a.start - b.start;\n if (diff) {\n return diff;\n } else {\n return b.end - a.end;\n }\n });\n\n let buffered2: BufferTimeRange[] = [];\n if (maxHoleDuration) {\n // there might be some small holes between buffer time range\n // consider that holes smaller than maxHoleDuration are irrelevant and build another\n // buffer time range representations that discards those holes\n for (let i = 0; i < buffered.length; i++) {\n let buf2len = buffered2.length;\n if (buf2len) {\n let buf2end = buffered2[buf2len - 1].end;\n // if small hole (value between 0 or maxHoleDuration ) or overlapping (negative)\n if ((buffered[i].start - buf2end) < maxHoleDuration) {\n // merge overlapping time ranges\n // update lastRange.end only if smaller than item.end\n // e.g. [ 1, 15] with [ 2,8] => [ 1,15] (no need to modify lastRange.end)\n // whereas [ 1, 8] with [ 2,15] => [ 1,15] ( lastRange should switch from [1,8] to [1,15])\n if (buffered[i].end > buf2end) {\n buffered2[buf2len - 1].end = buffered[i].end;\n }\n } else {\n // big hole\n buffered2.push(buffered[i]);\n }\n } else {\n // first value\n buffered2.push(buffered[i]);\n }\n }\n } else {\n buffered2 = buffered;\n }\n\n let bufferLen = 0;\n\n // bufferStartNext can possibly be undefined based on the conditional logic below\n let bufferStartNext: number | undefined;\n\n // bufferStart and bufferEnd are buffer boundaries around current video position\n let bufferStart: number = pos;\n let bufferEnd: number = pos;\n for (let i = 0; i < buffered2.length; i++) {\n let start = buffered2[i].start,\n end = buffered2[i].end;\n // logger.log('buf start/end:' + buffered.start(i) + '/' + buffered.end(i));\n if ((pos + maxHoleDuration) >= start && pos < end) {\n // play position is inside this buffer TimeRange, retrieve end of buffer position and buffer length\n bufferStart = start;\n bufferEnd = end;\n bufferLen = bufferEnd - pos;\n } else if ((pos + maxHoleDuration) < start) {\n bufferStartNext = start;\n break;\n }\n }\n return { len: bufferLen, start: bufferStart, end: bufferEnd, nextStart: bufferStartNext };\n }\n\n // Trying to find buffered position within `maxFragLookUpTolerance`. Returns same position if\n // current time is already inside of buffered range or there is no buffered fragment\n // within `maxFragLookUpTolerance`.\n static getBufferedPosWithinTolerance(media, pos, maxFragLookUpTolerance) {\n const currentTime = media ? media.currentTime : undefined;\n\n // No need to seek if current playback position is already inside buffered range\n if (BufferHelper.isBuffered(media, currentTime)) {\n return pos;\n }\n\n const buffered = media.buffered;\n for (let i = 0; i < buffered.length; i++) {\n const start = buffered.start(i);\n\n // Returns the start position of buffered range if `currentTime` is within `maxFragLookUpTolerance` range\n if (start > currentTime && start < currentTime + maxFragLookUpTolerance) {\n return Math.ceil(start * 10) / 10;\n }\n }\n\n return pos;\n }\n}\n","/**\n * MediaSource helper\n */\n\nexport function getMediaSource (): typeof MediaSource | undefined {\n return (window as any).MediaSource || (window as any).WebKitMediaSource;\n}\n","import { EventEmitter } from 'eventemitter3';\n\n/**\n * Simple adapter sub-class of Nodejs-like EventEmitter.\n */\nexport class Observer extends EventEmitter {\n /**\n * We simply want to pass along the event-name itself\n * in every call to a handler, which is the purpose of our `trigger` method\n * extending the standard API.\n */\n trigger (event: string, ...data: Array<any>): void {\n this.emit(event, event, ...data);\n }\n}\n","import { EventEmitter } from 'eventemitter3';\nimport * as work from 'webworkify-webpack';\n\nimport Event from '../events';\nimport DemuxerInline from '../demux/demuxer-inline';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { getMediaSource } from '../utils/mediasource-helper';\nimport { getSelfScope } from '../utils/get-self-scope';\n\nimport { Observer } from '../observer';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\nconst MediaSource = getMediaSource() || { isTypeSupported: () => false };\n\nclass Demuxer {\n constructor (hls, id) {\n this.hls = hls;\n this.id = id;\n\n const observer = this.observer = new Observer();\n const config = hls.config;\n\n const forwardMessage = (ev, data) => {\n data = data || {};\n data.frag = this.frag;\n data.id = this.id;\n hls.trigger(ev, data);\n };\n\n // forward events to main thread\n observer.on(Event.FRAG_DECRYPTED, forwardMessage);\n observer.on(Event.FRAG_PARSING_INIT_SEGMENT, forwardMessage);\n observer.on(Event.FRAG_PARSING_DATA, forwardMessage);\n observer.on(Event.FRAG_PARSED, forwardMessage);\n observer.on(Event.ERROR, forwardMessage);\n observer.on(Event.FRAG_PARSING_METADATA, forwardMessage);\n observer.on(Event.FRAG_PARSING_USERDATA, forwardMessage);\n observer.on(Event.INIT_PTS_FOUND, forwardMessage);\n\n const typeSupported = {\n mp4: MediaSource.isTypeSupported('video/mp4'),\n mpeg: MediaSource.isTypeSupported('audio/mpeg'),\n mp3: MediaSource.isTypeSupported('audio/mp4; codecs=\"mp3\"')\n };\n // navigator.vendor is not always available in Web Worker\n // refer to https://developer.mozilla.org/en-US/docs/Web/API/WorkerGlobalScope/navigator\n const vendor = navigator.vendor;\n if (config.enableWorker && (typeof (Worker) !== 'undefined')) {\n logger.log('demuxing in webworker');\n let w;\n try {\n w = this.w = work(require.resolve('../demux/demuxer-worker.js'));\n this.onwmsg = this.onWorkerMessage.bind(this);\n w.addEventListener('message', this.onwmsg);\n w.onerror = function (event) {\n hls.trigger(Event.ERROR, { type: ErrorTypes.OTHER_ERROR, details: ErrorDetails.INTERNAL_EXCEPTION, fatal: true, event: 'demuxerWorker', err: { message: event.message + ' (' + event.filename + ':' + event.lineno + ')' } });\n };\n w.postMessage({ cmd: 'init', typeSupported: typeSupported, vendor: vendor, id: id, config: JSON.stringify(config) });\n } catch (err) {\n logger.warn('Error in worker:', err);\n logger.error('Error while initializing DemuxerWorker, fallback on DemuxerInline');\n if (w) {\n // revoke the Object URL that was used to create demuxer worker, so as not to leak it\n global.URL.revokeObjectURL(w.objectURL);\n }\n this.demuxer = new DemuxerInline(observer, typeSupported, config, vendor);\n this.w = undefined;\n }\n } else {\n this.demuxer = new DemuxerInline(observer, typeSupported, config, vendor);\n }\n }\n\n destroy () {\n let w = this.w;\n if (w) {\n w.removeEventListener('message', this.onwmsg);\n w.terminate();\n this.w = null;\n } else {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.destroy();\n this.demuxer = null;\n }\n }\n const observer = this.observer;\n if (observer) {\n observer.removeAllListeners();\n this.observer = null;\n }\n }\n\n push (data, initSegment, audioCodec, videoCodec, frag, duration, accurateTimeOffset, defaultInitPTS) {\n const w = this.w;\n const timeOffset = Number.isFinite(frag.startPTS) ? frag.startPTS : frag.start;\n const decryptdata = frag.decryptdata;\n const lastFrag = this.frag;\n const discontinuity = !(lastFrag && (frag.cc === lastFrag.cc));\n const trackSwitch = !(lastFrag && (frag.level === lastFrag.level));\n const nextSN = lastFrag && (frag.sn === (lastFrag.sn + 1));\n const contiguous = !trackSwitch && nextSN;\n if (discontinuity) {\n logger.log(`${this.id}:discontinuity detected`);\n }\n\n if (trackSwitch) {\n logger.log(`${this.id}:switch detected`);\n }\n\n this.frag = frag;\n if (w) {\n // post fragment payload as transferable objects for ArrayBuffer (no copy)\n w.postMessage({ cmd: 'demux', data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS }, data instanceof ArrayBuffer ? [data] : []);\n } else {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.push(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n }\n }\n }\n\n onWorkerMessage (ev) {\n let data = ev.data,\n hls = this.hls;\n switch (data.event) {\n case 'init':\n // revoke the Object URL that was used to create demuxer worker, so as not to leak it\n global.URL.revokeObjectURL(this.w.objectURL);\n break;\n // special case for FRAG_PARSING_DATA: data1 and data2 are transferable objects\n case Event.FRAG_PARSING_DATA:\n data.data.data1 = new Uint8Array(data.data1);\n if (data.data2) {\n data.data.data2 = new Uint8Array(data.data2);\n }\n\n /* falls through */\n default:\n data.data = data.data || {};\n data.data.frag = this.frag;\n data.data.id = this.id;\n hls.trigger(data.event, data.data);\n break;\n }\n }\n}\n\nexport default Demuxer;\n","/**\n * @module LevelHelper\n *\n * Providing methods dealing with playlist sliding and drift\n *\n * TODO: Create an actual `Level` class/model that deals with all this logic in an object-oriented-manner.\n *\n * */\n\nimport { logger } from '../utils/logger';\n\nexport function addGroupId (level, type, id) {\n switch (type) {\n case 'audio':\n if (!level.audioGroupIds) {\n level.audioGroupIds = [];\n }\n level.audioGroupIds.push(id);\n break;\n case 'text':\n if (!level.textGroupIds) {\n level.textGroupIds = [];\n }\n level.textGroupIds.push(id);\n break;\n }\n}\n\nexport function updatePTS (fragments, fromIdx, toIdx) {\n let fragFrom = fragments[fromIdx], fragTo = fragments[toIdx], fragToPTS = fragTo.startPTS;\n // if we know startPTS[toIdx]\n if (Number.isFinite(fragToPTS)) {\n // update fragment duration.\n // it helps to fix drifts between playlist reported duration and fragment real duration\n if (toIdx > fromIdx) {\n fragFrom.duration = fragToPTS - fragFrom.start;\n if (fragFrom.duration < 0) {\n logger.warn(`negative duration computed for frag ${fragFrom.sn},level ${fragFrom.level}, there should be some duration drift between playlist and fragment!`);\n }\n } else {\n fragTo.duration = fragFrom.start - fragToPTS;\n if (fragTo.duration < 0) {\n logger.warn(`negative duration computed for frag ${fragTo.sn},level ${fragTo.level}, there should be some duration drift between playlist and fragment!`);\n }\n }\n } else {\n // we dont know startPTS[toIdx]\n if (toIdx > fromIdx) {\n fragTo.start = fragFrom.start + fragFrom.duration;\n } else {\n fragTo.start = Math.max(fragFrom.start - fragTo.duration, 0);\n }\n }\n}\n\nexport function updateFragPTSDTS (details, frag, startPTS, endPTS, startDTS, endDTS) {\n // update frag PTS/DTS\n let maxStartPTS = startPTS;\n if (Number.isFinite(frag.startPTS)) {\n // delta PTS between audio and video\n let deltaPTS = Math.abs(frag.startPTS - startPTS);\n if (!Number.isFinite(frag.deltaPTS)) {\n frag.deltaPTS = deltaPTS;\n } else {\n frag.deltaPTS = Math.max(deltaPTS, frag.deltaPTS);\n }\n\n maxStartPTS = Math.max(startPTS, frag.startPTS);\n startPTS = Math.min(startPTS, frag.startPTS);\n endPTS = Math.max(endPTS, frag.endPTS);\n startDTS = Math.min(startDTS, frag.startDTS);\n endDTS = Math.max(endDTS, frag.endDTS);\n }\n\n const drift = startPTS - frag.start;\n frag.start = frag.startPTS = startPTS;\n frag.maxStartPTS = maxStartPTS;\n frag.endPTS = endPTS;\n frag.startDTS = startDTS;\n frag.endDTS = endDTS;\n frag.duration = endPTS - startPTS;\n\n const sn = frag.sn;\n // exit if sn out of range\n if (!details || sn < details.startSN || sn > details.endSN) {\n return 0;\n }\n\n let fragIdx, fragments, i;\n fragIdx = sn - details.startSN;\n fragments = details.fragments;\n // update frag reference in fragments array\n // rationale is that fragments array might not contain this frag object.\n // this will happen if playlist has been refreshed between frag loading and call to updateFragPTSDTS()\n // if we don't update frag, we won't be able to propagate PTS info on the playlist\n // resulting in invalid sliding computation\n fragments[fragIdx] = frag;\n // adjust fragment PTS/duration from seqnum-1 to frag 0\n for (i = fragIdx; i > 0; i--) {\n updatePTS(fragments, i, i - 1);\n }\n\n // adjust fragment PTS/duration from seqnum to last frag\n for (i = fragIdx; i < fragments.length - 1; i++) {\n updatePTS(fragments, i, i + 1);\n }\n\n details.PTSKnown = true;\n return drift;\n}\n\nexport function mergeDetails (oldDetails, newDetails) {\n // potentially retrieve cached initsegment\n if (newDetails.initSegment && oldDetails.initSegment) {\n newDetails.initSegment = oldDetails.initSegment;\n }\n\n // check if old/new playlists have fragments in common\n // loop through overlapping SN and update startPTS , cc, and duration if any found\n let ccOffset = 0;\n let PTSFrag;\n mapFragmentIntersection(oldDetails, newDetails, (oldFrag, newFrag) => {\n ccOffset = oldFrag.cc - newFrag.cc;\n if (Number.isFinite(oldFrag.startPTS)) {\n newFrag.start = newFrag.startPTS = oldFrag.startPTS;\n newFrag.endPTS = oldFrag.endPTS;\n newFrag.duration = oldFrag.duration;\n newFrag.backtracked = oldFrag.backtracked;\n newFrag.dropped = oldFrag.dropped;\n PTSFrag = newFrag;\n }\n // PTS is known when there are overlapping segments\n newDetails.PTSKnown = true;\n });\n\n if (!newDetails.PTSKnown) {\n return;\n }\n\n if (ccOffset) {\n logger.log('discontinuity sliding from playlist, take drift into account');\n const newFragments = newDetails.fragments;\n for (let i = 0; i < newFragments.length; i++) {\n newFragments[i].cc += ccOffset;\n }\n }\n\n // if at least one fragment contains PTS info, recompute PTS information for all fragments\n if (PTSFrag) {\n updateFragPTSDTS(newDetails, PTSFrag, PTSFrag.startPTS, PTSFrag.endPTS, PTSFrag.startDTS, PTSFrag.endDTS);\n } else {\n // ensure that delta is within oldFragments range\n // also adjust sliding in case delta is 0 (we could have old=[50-60] and new=old=[50-61])\n // in that case we also need to adjust start offset of all fragments\n adjustSliding(oldDetails, newDetails);\n }\n // if we are here, it means we have fragments overlapping between\n // old and new level. reliable PTS info is thus relying on old level\n newDetails.PTSKnown = oldDetails.PTSKnown;\n}\n\nexport function mergeSubtitlePlaylists (oldPlaylist, newPlaylist, referenceStart = 0) {\n let lastIndex = -1;\n mapFragmentIntersection(oldPlaylist, newPlaylist, (oldFrag, newFrag, index) => {\n newFrag.start = oldFrag.start;\n lastIndex = index;\n });\n\n const frags = newPlaylist.fragments;\n if (lastIndex < 0) {\n frags.forEach(frag => {\n frag.start += referenceStart;\n });\n return;\n }\n\n for (let i = lastIndex + 1; i < frags.length; i++) {\n frags[i].start = (frags[i - 1].start + frags[i - 1].duration);\n }\n}\n\nexport function mapFragmentIntersection (oldPlaylist, newPlaylist, intersectionFn) {\n if (!oldPlaylist || !newPlaylist) {\n return;\n }\n\n const start = Math.max(oldPlaylist.startSN, newPlaylist.startSN) - newPlaylist.startSN;\n const end = Math.min(oldPlaylist.endSN, newPlaylist.endSN) - newPlaylist.startSN;\n const delta = newPlaylist.startSN - oldPlaylist.startSN;\n\n for (let i = start; i <= end; i++) {\n const oldFrag = oldPlaylist.fragments[delta + i];\n const newFrag = newPlaylist.fragments[i];\n if (!oldFrag || !newFrag) {\n break;\n }\n intersectionFn(oldFrag, newFrag, i);\n }\n}\n\nexport function adjustSliding (oldPlaylist, newPlaylist) {\n const delta = newPlaylist.startSN - oldPlaylist.startSN;\n const oldFragments = oldPlaylist.fragments;\n const newFragments = newPlaylist.fragments;\n\n if (delta < 0 || delta > oldFragments.length) {\n return;\n }\n for (let i = 0; i < newFragments.length; i++) {\n newFragments[i].start += oldFragments[delta].start;\n }\n}\n\nexport function computeReloadInterval (currentPlaylist, newPlaylist, lastRequestTime) {\n let reloadInterval = 1000 * (newPlaylist.averagetargetduration ? newPlaylist.averagetargetduration : newPlaylist.targetduration);\n const minReloadInterval = reloadInterval / 2;\n if (currentPlaylist && newPlaylist.endSN === currentPlaylist.endSN) {\n // follow HLS Spec, If the client reloads a Playlist file and finds that it has not\n // changed then it MUST wait for a period of one-half the target\n // duration before retrying.\n reloadInterval = minReloadInterval;\n }\n\n if (lastRequestTime) {\n reloadInterval = Math.max(minReloadInterval, reloadInterval - (window.performance.now() - lastRequestTime));\n }\n // in any case, don't reload more than half of target duration\n return Math.round(reloadInterval);\n}\n","/**\n * TimeRanges to string helper\n */\n\nconst TimeRanges = {\n toString: function (r: TimeRanges) {\n let log = '';\n let len = r.length;\n for (let i = 0; i < len; i++) {\n log += '[' + r.start(i).toFixed(3) + ',' + r.end(i).toFixed(3) + ']';\n }\n\n return log;\n }\n};\n\nexport default TimeRanges;\n","import BinarySearch from './binary-search';\nimport { logger } from '../utils/logger';\n\nexport function findFirstFragWithCC (fragments, cc) {\n let firstFrag = null;\n\n for (let i = 0; i < fragments.length; i += 1) {\n const currentFrag = fragments[i];\n if (currentFrag && currentFrag.cc === cc) {\n firstFrag = currentFrag;\n break;\n }\n }\n\n return firstFrag;\n}\n\nexport function findFragWithCC (fragments, CC) {\n return BinarySearch.search(fragments, (candidate) => {\n if (candidate.cc < CC) {\n return 1;\n } else if (candidate.cc > CC) {\n return -1;\n } else {\n return 0;\n }\n });\n}\n\nexport function shouldAlignOnDiscontinuities (lastFrag, lastLevel, details) {\n let shouldAlign = false;\n if (lastLevel && lastLevel.details && details) {\n if (details.endCC > details.startCC || (lastFrag && lastFrag.cc < details.startCC)) {\n shouldAlign = true;\n }\n }\n return shouldAlign;\n}\n\n// Find the first frag in the previous level which matches the CC of the first frag of the new level\nexport function findDiscontinuousReferenceFrag (prevDetails, curDetails) {\n const prevFrags = prevDetails.fragments;\n const curFrags = curDetails.fragments;\n\n if (!curFrags.length || !prevFrags.length) {\n logger.log('No fragments to align');\n return;\n }\n\n const prevStartFrag = findFirstFragWithCC(prevFrags, curFrags[0].cc);\n\n if (!prevStartFrag || (prevStartFrag && !prevStartFrag.startPTS)) {\n logger.log('No frag in previous level to align on');\n return;\n }\n\n return prevStartFrag;\n}\n\nexport function adjustPts (sliding, details) {\n details.fragments.forEach((frag) => {\n if (frag) {\n let start = frag.start + sliding;\n frag.start = frag.startPTS = start;\n frag.endPTS = start + frag.duration;\n }\n });\n details.PTSKnown = true;\n}\n\n/**\n * Using the parameters of the last level, this function computes PTS' of the new fragments so that they form a\n * contiguous stream with the last fragments.\n * The PTS of a fragment lets Hls.js know where it fits into a stream - by knowing every PTS, we know which fragment to\n * download at any given time. PTS is normally computed when the fragment is demuxed, so taking this step saves us time\n * and an extra download.\n * @param lastFrag\n * @param lastLevel\n * @param details\n */\nexport function alignStream (lastFrag, lastLevel, details) {\n alignDiscontinuities(lastFrag, details, lastLevel);\n if (!details.PTSKnown && lastLevel) {\n // If the PTS wasn't figured out via discontinuity sequence that means there was no CC increase within the level.\n // Aligning via Program Date Time should therefore be reliable, since PDT should be the same within the same\n // discontinuity sequence.\n alignPDT(details, lastLevel.details);\n }\n}\n\n/**\n * Computes the PTS if a new level's fragments using the PTS of a fragment in the last level which shares the same\n * discontinuity sequence.\n * @param lastLevel - The details of the last loaded level\n * @param details - The details of the new level\n */\nexport function alignDiscontinuities (lastFrag, details, lastLevel) {\n if (shouldAlignOnDiscontinuities(lastFrag, lastLevel, details)) {\n const referenceFrag = findDiscontinuousReferenceFrag(lastLevel.details, details);\n if (referenceFrag) {\n logger.log('Adjusting PTS using last level due to CC increase within current level');\n adjustPts(referenceFrag.start, details);\n }\n }\n}\n\n/**\n * Computes the PTS of a new level's fragments using the difference in Program Date Time from the last level.\n * @param details - The details of the new level\n * @param lastDetails - The details of the last loaded level\n */\nexport function alignPDT (details, lastDetails) {\n if (lastDetails && lastDetails.fragments.length) {\n if (!details.hasProgramDateTime || !lastDetails.hasProgramDateTime) {\n return;\n }\n // if last level sliding is 1000 and its first frag PROGRAM-DATE-TIME is 2017-08-20 1:10:00 AM\n // and if new details first frag PROGRAM DATE-TIME is 2017-08-20 1:10:08 AM\n // then we can deduce that playlist B sliding is 1000+8 = 1008s\n let lastPDT = lastDetails.fragments[0].programDateTime;\n let newPDT = details.fragments[0].programDateTime;\n // date diff is in ms. frag.start is in seconds\n let sliding = (newPDT - lastPDT) / 1000 + lastDetails.fragments[0].start;\n if (Number.isFinite(sliding)) {\n logger.log(`adjusting PTS using programDateTime delta, sliding:${sliding.toFixed(3)}`);\n adjustPts(sliding, details);\n }\n }\n}\n","import BinarySearch from '../utils/binary-search';\nimport Fragment from '../loader/fragment';\n\n/**\n * Returns first fragment whose endPdt value exceeds the given PDT.\n * @param {Array<Fragment>} fragments - The array of candidate fragments\n * @param {number|null} [PDTValue = null] - The PDT value which must be exceeded\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start/end can be within in order to be considered contiguous\n * @returns {*|null} fragment - The best matching fragment\n */\nexport function findFragmentByPDT (fragments: Array<Fragment>, PDTValue: number | null, maxFragLookUpTolerance: number): Fragment | null {\n if (PDTValue === null || !Array.isArray(fragments) || !fragments.length || !Number.isFinite(PDTValue)) {\n return null;\n }\n\n // if less than start\n const startPDT = fragments[0].programDateTime;\n if (PDTValue < (startPDT || 0)) {\n return null;\n }\n\n const endPDT = fragments[fragments.length - 1].endProgramDateTime;\n if (PDTValue >= (endPDT || 0)) {\n return null;\n }\n\n maxFragLookUpTolerance = maxFragLookUpTolerance || 0;\n for (let seg = 0; seg < fragments.length; ++seg) {\n let frag = fragments[seg];\n if (pdtWithinToleranceTest(PDTValue, maxFragLookUpTolerance, frag)) {\n return frag;\n }\n }\n\n return null;\n}\n\n/**\n * Finds a fragment based on the SN of the previous fragment; or based on the needs of the current buffer.\n * This method compensates for small buffer gaps by applying a tolerance to the start of any candidate fragment, thus\n * breaking any traps which would cause the same fragment to be continuously selected within a small range.\n * @param {*} fragPrevious - The last frag successfully appended\n * @param {Array<Fragment>} fragments - The array of candidate fragments\n * @param {number} [bufferEnd = 0] - The end of the contiguous buffered range the playhead is currently within\n * @param {number} maxFragLookUpTolerance - The amount of time that a fragment's start/end can be within in order to be considered contiguous\n * @returns {*} foundFrag - The best matching fragment\n */\nexport function findFragmentByPTS (fragPrevious: Fragment, fragments: Array<Fragment>, bufferEnd: number = 0, maxFragLookUpTolerance: number = 0): Fragment | null {\n const fragNext = fragPrevious ? fragments[fragPrevious.sn as number - (fragments[0].sn as number) + 1] : null;\n // Prefer the next fragment if it's within tolerance\n if (fragNext && !fragmentWithinToleranceTest(bufferEnd, maxFragLookUpTolerance, fragNext)) {\n return fragNext;\n }\n return BinarySearch.search(fragments, fragmentWithinToleranceTest.bind(null, bufferEnd, maxFragLookUpTolerance));\n}\n\n/**\n * The test function used by the findFragmentBySn's BinarySearch to look for the best match to the current buffer conditions.\n * @param {*} candidate - The fragment to test\n * @param {number} [bufferEnd = 0] - The end of the current buffered range the playhead is currently within\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start can be within in order to be considered contiguous\n * @returns {number} - 0 if it matches, 1 if too low, -1 if too high\n */\nexport function fragmentWithinToleranceTest (bufferEnd = 0, maxFragLookUpTolerance = 0, candidate: Fragment) {\n // offset should be within fragment boundary - config.maxFragLookUpTolerance\n // this is to cope with situations like\n // bufferEnd = 9.991\n // frag[Ø] : [0,10]\n // frag[1] : [10,20]\n // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here\n // frag start frag start+duration\n // |-----------------------------|\n // <---> <--->\n // ...--------><-----------------------------><---------....\n // previous frag matching fragment next frag\n // return -1 return 0 return 1\n // logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`);\n // Set the lookup tolerance to be small enough to detect the current segment - ensures we don't skip over very small segments\n let candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration + (candidate.deltaPTS ? candidate.deltaPTS : 0));\n if (candidate.start + candidate.duration - candidateLookupTolerance <= bufferEnd) {\n return 1;\n } else if (candidate.start - candidateLookupTolerance > bufferEnd && candidate.start) {\n // if maxFragLookUpTolerance will have negative value then don't return -1 for first element\n return -1;\n }\n\n return 0;\n}\n\n/**\n * The test function used by the findFragmentByPdt's BinarySearch to look for the best match to the current buffer conditions.\n * This function tests the candidate's program date time values, as represented in Unix time\n * @param {*} candidate - The fragment to test\n * @param {number} [pdtBufferEnd = 0] - The Unix time representing the end of the current buffered range\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start can be within in order to be considered contiguous\n * @returns {boolean} True if contiguous, false otherwise\n */\nexport function pdtWithinToleranceTest (pdtBufferEnd: number, maxFragLookUpTolerance: number, candidate: Fragment): boolean {\n let candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration + (candidate.deltaPTS ? candidate.deltaPTS : 0)) * 1000;\n\n // endProgramDateTime can be null, default to zero\n const endProgramDateTime = candidate.endProgramDateTime || 0;\n return endProgramDateTime - candidateLookupTolerance > pdtBufferEnd;\n}\n","import { BufferHelper } from '../utils/buffer-helper';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport Event from '../events';\nimport { logger } from '../utils/logger';\n\nexport const STALL_MINIMUM_DURATION_MS = 250;\nexport const MAX_START_GAP_JUMP = 2.0;\nexport const SKIP_BUFFER_HOLE_STEP_SECONDS = 0.1;\nexport const SKIP_BUFFER_RANGE_START = 0.05;\n\nexport default class GapController {\n constructor (config, media, fragmentTracker, hls) {\n this.config = config;\n this.media = media;\n this.fragmentTracker = fragmentTracker;\n this.hls = hls;\n this.nudgeRetry = 0;\n this.stallReported = false;\n this.stalled = null;\n this.moved = false;\n this.seeking = false;\n }\n\n /**\n * Checks if the playhead is stuck within a gap, and if so, attempts to free it.\n * A gap is an unbuffered range between two buffered ranges (or the start and the first buffered range).\n *\n * @param {number} lastCurrentTime Previously read playhead position\n */\n poll (lastCurrentTime) {\n const { config, media, stalled } = this;\n const { currentTime, seeking } = media;\n const seeked = this.seeking && !seeking;\n const beginSeek = !this.seeking && seeking;\n\n this.seeking = seeking;\n\n // The playhead is moving, no-op\n if (currentTime !== lastCurrentTime) {\n this.moved = true;\n if (stalled !== null) {\n // The playhead is now moving, but was previously stalled\n if (this.stallReported) {\n const stalledDuration = self.performance.now() - stalled;\n logger.warn(`playback not stuck anymore @${currentTime}, after ${Math.round(stalledDuration)}ms`);\n this.stallReported = false;\n }\n this.stalled = null;\n this.nudgeRetry = 0;\n }\n return;\n }\n\n // Clear stalled state when beginning or finishing seeking so that we don't report stalls coming out of a seek\n if (beginSeek || seeked) {\n this.stalled = null;\n }\n\n const { seekWithinTolerance } = this.config;\n if (seekWithinTolerance && (seeking || seeked)) {\n this.seekWithinToleranceIfNeeded();\n }\n\n // The playhead should not be moving\n if (media.paused || media.ended || media.playbackRate === 0 || !media.buffered.length) {\n return;\n }\n\n const bufferInfo = BufferHelper.bufferInfo(media, currentTime, 0);\n const isBuffered = bufferInfo.len > 0;\n const nextStart = bufferInfo.nextStart || 0;\n\n // There is no playable buffer (waiting for buffer append)\n if (!isBuffered && !nextStart) {\n return;\n }\n\n if (seeking) {\n // Waiting for seeking in a buffered range to complete\n const hasEnoughBuffer = bufferInfo.len > MAX_START_GAP_JUMP;\n // Next buffered range is too far ahead to jump to while still seeking\n const noBufferGap = !nextStart || nextStart - currentTime > MAX_START_GAP_JUMP;\n if (hasEnoughBuffer || noBufferGap) {\n return;\n }\n // Reset moved state when seeking to a point in or before a gap\n this.moved = false;\n }\n\n // Skip start gaps if we haven't played, but the last poll detected the start of a stall\n // The addition poll gives the browser a chance to jump the gap for us\n if (!this.moved && this.stalled) {\n // Jump start gaps within jump threshold\n const startJump = Math.max(nextStart, bufferInfo.start || 0) - currentTime;\n if (startJump > 0 && startJump <= MAX_START_GAP_JUMP) {\n this._trySkipBufferHole(null);\n return;\n }\n }\n\n // Start tracking stall time\n const tnow = self.performance.now();\n if (stalled === null) {\n this.stalled = tnow;\n return;\n }\n\n const stalledDuration = tnow - stalled;\n if (!seeking && stalledDuration >= STALL_MINIMUM_DURATION_MS) {\n // Report stalling after trying to fix\n this._reportStall(bufferInfo.len);\n }\n\n const bufferedWithHoles = BufferHelper.bufferInfo(media, currentTime, config.maxBufferHole);\n this._tryFixBufferStall(bufferedWithHoles, stalledDuration);\n }\n\n // If current position is outside of buffered range and there is a buffered fragment within `maxFragLookUpTolerance`\n // will seek to this buffered fragment. It helps to prevent playback stalls\n seekWithinToleranceIfNeeded() {\n const media = this.media;\n const currentTime = media ? media.currentTime : undefined;\n const { maxFragLookUpTolerance } = this.config;\n\n // Trying to find buffered position within `maxFragLookUpTolerance`. Returns same position if\n // current time is already inside of buffered range or there is no buffered fragment\n // within `maxFragLookUpTolerance`.\n const bufferedPosWithinTolerance =\n BufferHelper.getBufferedPosWithinTolerance(media, currentTime, maxFragLookUpTolerance);\n\n if (currentTime !== bufferedPosWithinTolerance) {\n logger.log(`seeking to position within maxFragLookUpTolerance - ${bufferedPosWithinTolerance}`);\n media.currentTime = bufferedPosWithinTolerance;\n return true;\n }\n\n return false;\n }\n\n /**\n * Detects and attempts to fix known buffer stalling issues.\n * @param bufferInfo - The properties of the current buffer.\n * @param stalledDurationMs - The amount of time Hls.js has been stalling for.\n * @private\n */\n _tryFixBufferStall (bufferInfo, stalledDurationMs) {\n const { config, fragmentTracker, media } = this;\n const currentTime = media.currentTime;\n\n const partial = fragmentTracker.getPartialFragment(currentTime);\n if (partial) {\n // Try to skip over the buffer hole caused by a partial fragment\n // This method isn't limited by the size of the gap between buffered ranges\n const targetTime = this._trySkipBufferHole(partial);\n // we return here in this case, meaning\n // the branch below only executes when we don't handle a partial fragment\n if (targetTime) {\n return;\n }\n }\n\n // if we haven't had to skip over a buffer hole of a partial fragment\n // we may just have to \"nudge\" the playlist as the browser decoding/rendering engine\n // needs to cross some sort of threshold covering all source-buffers content\n // to start playing properly.\n if (bufferInfo.len > config.maxBufferHole &&\n stalledDurationMs > config.highBufferWatchdogPeriod * 1000) {\n logger.warn('Trying to nudge playhead over buffer-hole');\n // Try to nudge currentTime over a buffer hole if we've been stalling for the configured amount of seconds\n // We only try to jump the hole if it's under the configured size\n // Reset stalled so to rearm watchdog timer\n this.stalled = null;\n this._tryNudgeBuffer();\n }\n }\n\n /**\n * Triggers a BUFFER_STALLED_ERROR event, but only once per stall period.\n * @param bufferLen - The playhead distance from the end of the current buffer segment.\n * @private\n */\n _reportStall (bufferLen) {\n const { hls, media, stallReported } = this;\n if (!stallReported) {\n // Report stalled error once\n this.stallReported = true;\n logger.warn(`Playback stalling at @${media.currentTime} due to low buffer`);\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_STALLED_ERROR,\n fatal: false,\n buffer: bufferLen\n });\n }\n }\n\n /**\n * Attempts to fix buffer stalls by jumping over known gaps caused by partial fragments\n * @param partial - The partial fragment found at the current time (where playback is stalling).\n * @private\n */\n _trySkipBufferHole (partial) {\n const { config, hls, media } = this;\n const currentTime = media.currentTime;\n let lastEndTime = 0;\n // Check if currentTime is between unbuffered regions of partial fragments\n for (let i = 0; i < media.buffered.length; i++) {\n const startTime = media.buffered.start(i);\n if (currentTime + config.maxBufferHole >= lastEndTime && currentTime < startTime) {\n const targetTime = Math.max(startTime + SKIP_BUFFER_RANGE_START, media.currentTime + SKIP_BUFFER_HOLE_STEP_SECONDS);\n logger.warn(`skipping hole, adjusting currentTime from ${currentTime} to ${targetTime}`);\n this.moved = true;\n this.stalled = null;\n media.currentTime = targetTime;\n if (partial) {\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_SEEK_OVER_HOLE,\n fatal: false,\n reason: `fragment loaded with buffer holes, seeking from ${currentTime} to ${targetTime}`,\n frag: partial\n });\n }\n return targetTime;\n }\n lastEndTime = media.buffered.end(i);\n }\n return 0;\n }\n\n /**\n * Attempts to fix buffer stalls by advancing the mediaElement's current time by a small amount.\n * @private\n */\n _tryNudgeBuffer () {\n const { config, hls, media } = this;\n const currentTime = media.currentTime;\n const nudgeRetry = (this.nudgeRetry || 0) + 1;\n this.nudgeRetry = nudgeRetry;\n\n if (nudgeRetry < config.nudgeMaxRetry) {\n const targetTime = currentTime + nudgeRetry * config.nudgeOffset;\n // playback stalled in buffered area ... let's nudge currentTime to try to overcome this\n logger.warn(`Nudging 'currentTime' from ${currentTime} to ${targetTime}`);\n media.currentTime = targetTime;\n\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_NUDGE_ON_STALL,\n fatal: false\n });\n } else {\n logger.error(`Playhead still not moving while enough data buffered @${currentTime} after ${config.nudgeMaxRetry} nudges`);\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_STALLED_ERROR,\n fatal: true\n });\n }\n }\n}\n","import EventHandler from './event-handler';\nimport Hls from './hls';\n\n/**\n * Sub-class specialization of EventHandler base class.\n *\n * TaskLoop allows to schedule a task function being called (optionnaly repeatedly) on the main loop,\n * scheduled asynchroneously, avoiding recursive calls in the same tick.\n *\n * The task itself is implemented in `doTick`. It can be requested and called for single execution\n * using the `tick` method.\n *\n * It will be assured that the task execution method (`tick`) only gets called once per main loop \"tick\",\n * no matter how often it gets requested for execution. Execution in further ticks will be scheduled accordingly.\n *\n * If further execution requests have already been scheduled on the next tick, it can be checked with `hasNextTick`,\n * and cancelled with `clearNextTick`.\n *\n * The task can be scheduled as an interval repeatedly with a period as parameter (see `setInterval`, `clearInterval`).\n *\n * Sub-classes need to implement the `doTick` method which will effectively have the task execution routine.\n *\n * Further explanations:\n *\n * The baseclass has a `tick` method that will schedule the doTick call. It may be called synchroneously\n * only for a stack-depth of one. On re-entrant calls, sub-sequent calls are scheduled for next main loop ticks.\n *\n * When the task execution (`tick` method) is called in re-entrant way this is detected and\n * we are limiting the task execution per call stack to exactly one, but scheduling/post-poning further\n * task processing on the next main loop iteration (also known as \"next tick\" in the Node/JS runtime lingo).\n */\n\nexport default class TaskLoop extends EventHandler {\n private readonly _boundTick: () => void;\n private _tickTimer: number | null = null;\n private _tickInterval: number | null = null;\n private _tickCallCount = 0;\n\n constructor (hls: Hls, ...events: string[]) {\n super(hls, ...events);\n this._boundTick = this.tick.bind(this);\n }\n\n /**\n * @override\n */\n protected onHandlerDestroying () {\n // clear all timers before unregistering from event bus\n this.clearNextTick();\n this.clearInterval();\n }\n\n /**\n * @returns {boolean}\n */\n public hasInterval (): boolean {\n return !!this._tickInterval;\n }\n\n /**\n * @returns {boolean}\n */\n public hasNextTick (): boolean {\n return !!this._tickTimer;\n }\n\n /**\n * @param {number} millis Interval time (ms)\n * @returns {boolean} True when interval has been scheduled, false when already scheduled (no effect)\n */\n public setInterval (millis: number): boolean {\n if (!this._tickInterval) {\n this._tickInterval = self.setInterval(this._boundTick, millis);\n return true;\n }\n return false;\n }\n\n /**\n * @returns {boolean} True when interval was cleared, false when none was set (no effect)\n */\n public clearInterval (): boolean {\n if (this._tickInterval) {\n self.clearInterval(this._tickInterval);\n this._tickInterval = null;\n return true;\n }\n return false;\n }\n\n /**\n * @returns {boolean} True when timeout was cleared, false when none was set (no effect)\n */\n public clearNextTick (): boolean {\n if (this._tickTimer) {\n self.clearTimeout(this._tickTimer);\n this._tickTimer = null;\n return true;\n }\n return false;\n }\n\n /**\n * Will call the subclass doTick implementation in this main loop tick\n * or in the next one (via setTimeout(,0)) in case it has already been called\n * in this tick (in case this is a re-entrant call).\n */\n public tick (): void {\n this._tickCallCount++;\n if (this._tickCallCount === 1) {\n this.doTick();\n // re-entrant call to tick from previous doTick call stack\n // -> schedule a call on the next main loop iteration to process this task processing request\n if (this._tickCallCount > 1) {\n // make sure only one timer exists at any time at max\n this.clearNextTick();\n this._tickTimer = self.setTimeout(this._boundTick, 0);\n }\n this._tickCallCount = 0;\n }\n }\n\n /**\n * For subclass to implement task logic\n * @abstract\n */\n protected doTick (): void {}\n}\n","import TaskLoop from '../task-loop';\nimport { FragmentState } from './fragment-tracker';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport { logger } from '../utils/logger';\n\nexport const State = {\n STOPPED: 'STOPPED',\n STARTING: 'STARTING',\n IDLE: 'IDLE',\n PAUSED: 'PAUSED',\n KEY_LOADING: 'KEY_LOADING',\n FRAG_LOADING: 'FRAG_LOADING',\n FRAG_LOADING_WAITING_RETRY: 'FRAG_LOADING_WAITING_RETRY',\n WAITING_TRACK: 'WAITING_TRACK',\n PARSING: 'PARSING',\n PARSED: 'PARSED',\n BUFFER_FLUSHING: 'BUFFER_FLUSHING',\n ENDED: 'ENDED',\n ERROR: 'ERROR',\n WAITING_INIT_PTS: 'WAITING_INIT_PTS',\n WAITING_LEVEL: 'WAITING_LEVEL'\n};\n\nexport default class BaseStreamController extends TaskLoop {\n doTick () {}\n\n startLoad () {}\n\n stopLoad () {\n let frag = this.fragCurrent;\n if (frag) {\n if (frag.loader) {\n frag.loader.abort();\n }\n this.fragmentTracker.removeFragment(frag);\n }\n if (this.demuxer) {\n this.demuxer.destroy();\n this.demuxer = null;\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n this.clearInterval();\n this.clearNextTick();\n this.state = State.STOPPED;\n }\n\n _streamEnded (bufferInfo, levelDetails) {\n const { fragCurrent, fragmentTracker } = this;\n // we just got done loading the final fragment and there is no other buffered range after ...\n // rationale is that in case there are any buffered ranges after, it means that there are unbuffered portion in between\n // so we should not switch to ENDED in that case, to be able to buffer them\n // dont switch to ENDED if we need to backtrack last fragment\n if (!levelDetails.live && fragCurrent && !fragCurrent.backtracked && fragCurrent.sn === levelDetails.endSN && !bufferInfo.nextStart) {\n const fragState = fragmentTracker.getState(fragCurrent);\n return fragState === FragmentState.PARTIAL || fragState === FragmentState.OK;\n }\n return false;\n }\n\n onMediaSeeking () {\n const { config, media, mediaBuffer, state } = this;\n const currentTime = media ? media.currentTime : null;\n const bufferInfo = BufferHelper.bufferInfo(mediaBuffer || media, currentTime, this.config.maxBufferHole);\n\n if (Number.isFinite(currentTime)) {\n logger.log(`media seeking to ${currentTime.toFixed(3)}`);\n }\n\n if (state === State.FRAG_LOADING) {\n let fragCurrent = this.fragCurrent;\n // check if we are seeking to a unbuffered area AND if frag loading is in progress\n if (bufferInfo.len === 0 && fragCurrent) {\n const tolerance = config.maxFragLookUpTolerance;\n const fragStartOffset = fragCurrent.start - tolerance;\n const fragEndOffset = fragCurrent.start + fragCurrent.duration + tolerance;\n // check if we seek position will be out of currently loaded frag range : if out cancel frag load, if in, don't do anything\n if (currentTime < fragStartOffset || currentTime > fragEndOffset) {\n if (fragCurrent.loader) {\n logger.log('seeking outside of buffer while fragment load in progress, cancel fragment load');\n fragCurrent.loader.abort();\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n // switch to IDLE state to load new fragment\n this.state = State.IDLE;\n } else {\n logger.log('seeking outside of buffer but within currently loaded fragment range');\n }\n }\n } else if (state === State.ENDED) {\n // if seeking to unbuffered area, clean up fragPrevious\n if (bufferInfo.len === 0) {\n this.fragPrevious = null;\n this.fragCurrent = null;\n }\n\n // switch to IDLE state to check for potential new fragment\n this.state = State.IDLE;\n }\n if (media) {\n this.lastCurrentTime = currentTime;\n }\n\n // in case seeking occurs although no media buffered, adjust startPosition and nextLoadPosition to seek target\n if (!this.loadedmetadata) {\n this.nextLoadPosition = this.startPosition = currentTime;\n }\n\n // tick to speed up processing\n this.tick();\n }\n\n onMediaEnded () {\n // reset startPosition and lastCurrentTime to restart playback @ stream beginning\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n onHandlerDestroying () {\n this.stopLoad();\n super.onHandlerDestroying();\n }\n\n onHandlerDestroyed () {\n this.state = State.STOPPED;\n this.fragmentTracker = null;\n }\n\n computeLivePosition (sliding, levelDetails) {\n let targetLatency = this.config.liveSyncDuration !== undefined ? this.config.liveSyncDuration : this.config.liveSyncDurationCount * levelDetails.targetduration;\n return sliding + Math.max(0, levelDetails.totalduration - targetLatency);\n }\n}\n","/*\n * Stream Controller\n*/\n\nimport BinarySearch from '../utils/binary-search';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport Demuxer from '../demux/demuxer';\nimport Event from '../events';\nimport { FragmentState } from './fragment-tracker';\nimport { ElementaryStreamTypes } from '../loader/fragment';\nimport { PlaylistLevelType } from '../types/loader';\nimport * as LevelHelper from './level-helper';\nimport TimeRanges from '../utils/time-ranges';\nimport { ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport { alignStream } from '../utils/discontinuities';\nimport { findFragmentByPDT, findFragmentByPTS } from './fragment-finders';\nimport GapController from './gap-controller';\nimport BaseStreamController, { State } from './base-stream-controller';\n\nconst TICK_INTERVAL = 100; // how often to tick in ms\n\nclass StreamController extends BaseStreamController {\n constructor (hls, fragmentTracker) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.MANIFEST_LOADING,\n Event.MANIFEST_PARSED,\n Event.LEVEL_LOADED,\n Event.KEY_LOADED,\n Event.FRAG_LOADED,\n Event.FRAG_LOAD_EMERGENCY_ABORTED,\n Event.FRAG_PARSING_INIT_SEGMENT,\n Event.FRAG_PARSING_DATA,\n Event.FRAG_PARSED,\n Event.ERROR,\n Event.AUDIO_TRACK_SWITCHING,\n Event.AUDIO_TRACK_SWITCHED,\n Event.BUFFER_CREATED,\n Event.BUFFER_APPENDED,\n Event.BUFFER_FLUSHED);\n\n this.fragmentTracker = fragmentTracker;\n this.config = hls.config;\n this.audioCodecSwap = false;\n this._state = State.STOPPED;\n this.stallReported = false;\n this.gapController = null;\n this.altAudio = false;\n }\n\n startLoad (startPosition) {\n if (this.levels) {\n let lastCurrentTime = this.lastCurrentTime, hls = this.hls;\n this.stopLoad();\n this.setInterval(TICK_INTERVAL);\n this.level = -1;\n this.fragLoadError = 0;\n if (!this.startFragRequested) {\n // determine load level\n let startLevel = hls.startLevel;\n if (startLevel === -1) {\n // -1 : guess start Level by doing a bitrate test by loading first fragment of lowest quality level\n startLevel = 0;\n this.bitrateTest = true;\n }\n // set new level to playlist loader : this will trigger start level load\n // hls.nextLoadLevel remains until it is set to a new value or until a new frag is successfully loaded\n this.level = hls.nextLoadLevel = startLevel;\n this.loadedmetadata = false;\n }\n // if startPosition undefined but lastCurrentTime set, set startPosition to last currentTime\n if (lastCurrentTime > 0 && startPosition === -1) {\n logger.log(`override startPosition with lastCurrentTime @${lastCurrentTime.toFixed(3)}`);\n startPosition = lastCurrentTime;\n }\n this.state = State.IDLE;\n this.nextLoadPosition = this.startPosition = this.lastCurrentTime = startPosition;\n this.tick();\n } else {\n this.forceStartLoad = true;\n this.state = State.STOPPED;\n }\n }\n\n stopLoad () {\n this.forceStartLoad = false;\n super.stopLoad();\n }\n\n doTick () {\n switch (this.state) {\n case State.BUFFER_FLUSHING:\n // in buffer flushing state, reset fragLoadError counter\n this.fragLoadError = 0;\n break;\n case State.IDLE:\n this._doTickIdle();\n break;\n case State.WAITING_LEVEL:\n var level = this.levels[this.level];\n // check if playlist is already loaded\n if (level && level.details) {\n this.state = State.IDLE;\n }\n\n break;\n case State.FRAG_LOADING_WAITING_RETRY:\n var now = window.performance.now();\n var retryDate = this.retryDate;\n // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading\n if (!retryDate || (now >= retryDate) || (this.media && this.media.seeking)) {\n logger.log('mediaController: retryDate reached, switch back to IDLE state');\n this.state = State.IDLE;\n }\n break;\n case State.ERROR:\n case State.STOPPED:\n case State.FRAG_LOADING:\n case State.PARSING:\n case State.PARSED:\n case State.ENDED:\n break;\n default:\n break;\n }\n // check buffer\n this._checkBuffer();\n // check/update current fragment\n this._checkFragmentChanged();\n }\n\n // Ironically the \"idle\" state is the on we do the most logic in it seems ....\n // NOTE: Maybe we could rather schedule a check for buffer length after half of the currently\n // played segment, or on pause/play/seek instead of naively checking every 100ms?\n _doTickIdle () {\n const hls = this.hls,\n config = hls.config,\n media = this.media;\n\n // if start level not parsed yet OR\n // if video not attached AND start fragment already requested OR start frag prefetch disable\n // exit loop, as we either need more info (level not parsed) or we need media to be attached to load new fragment\n if (this.levelLastLoaded === undefined || (\n !media && (this.startFragRequested || !config.startFragPrefetch))) {\n return;\n }\n\n // if we have not yet loaded any fragment, start loading from start position\n let pos;\n if (this.loadedmetadata) {\n pos = media.currentTime;\n } else {\n pos = this.nextLoadPosition;\n }\n\n // determine next load level\n let level = hls.nextLoadLevel,\n levelInfo = this.levels[level];\n\n if (!levelInfo) {\n return;\n }\n\n let levelBitrate = levelInfo.bitrate,\n maxBufLen;\n\n // compute max Buffer Length that we could get from this load level, based on level bitrate.\n if (levelBitrate) {\n maxBufLen = Math.max(8 * config.maxBufferSize / levelBitrate, config.maxBufferLength);\n } else {\n maxBufLen = config.maxBufferLength;\n }\n\n maxBufLen = Math.min(maxBufLen, config.maxMaxBufferLength);\n\n // determine next candidate fragment to be loaded, based on current position and end of buffer position\n // ensure up to `config.maxMaxBufferLength` of buffer upfront\n\n const bufferInfo = BufferHelper.bufferInfo(this.mediaBuffer ? this.mediaBuffer : media, pos, config.maxBufferHole),\n bufferLen = bufferInfo.len;\n // Stay idle if we are still with buffer margins\n if (bufferLen >= maxBufLen) {\n return;\n }\n\n // if buffer length is less than maxBufLen try to load a new fragment ...\n logger.trace(`buffer length of ${bufferLen.toFixed(3)} is below max of ${maxBufLen.toFixed(3)}. checking for more payload ...`);\n\n // set next load level : this will trigger a playlist load if needed\n this.level = hls.nextLoadLevel = level;\n\n const levelDetails = levelInfo.details;\n // if level info not retrieved yet, switch state and wait for level retrieval\n // if live playlist, ensure that new playlist has been refreshed to avoid loading/try to load\n // a useless and outdated fragment (that might even introduce load error if it is already out of the live playlist)\n if (!levelDetails || (levelDetails.live && this.levelLastLoaded !== level)) {\n this.state = State.WAITING_LEVEL;\n return;\n }\n\n if (this._streamEnded(bufferInfo, levelDetails)) {\n const data = {};\n if (this.altAudio) {\n data.type = 'video';\n }\n\n this.hls.trigger(Event.BUFFER_EOS, data);\n this.state = State.ENDED;\n return;\n }\n // if we have the levelDetails for the selected variant, lets continue enrichen our stream (load keys/fragments or trigger EOS, etc..)\n this._fetchPayloadOrEos(pos, bufferInfo, levelDetails);\n }\n\n _fetchPayloadOrEos (pos, bufferInfo, levelDetails) {\n const fragPrevious = this.fragPrevious,\n level = this.level,\n fragments = levelDetails.fragments,\n fragLen = fragments.length;\n\n // empty playlist\n if (fragLen === 0) {\n return;\n }\n\n // find fragment index, contiguous with end of buffer position\n let start = fragments[0].start,\n end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration,\n bufferEnd = bufferInfo.end,\n frag;\n\n if (levelDetails.initSegment && !levelDetails.initSegment.data) {\n frag = levelDetails.initSegment;\n } else {\n // in case of live playlist we need to ensure that requested position is not located before playlist start\n if (levelDetails.live) {\n let initialLiveManifestSize = this.config.initialLiveManifestSize;\n if (fragLen < initialLiveManifestSize) {\n logger.warn(`Can not start playback of a level, reason: not enough fragments ${fragLen} < ${initialLiveManifestSize}`);\n return;\n }\n\n frag = this._ensureFragmentAtLivePoint(levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen);\n // if it explicitely returns null don't load any fragment and exit function now\n if (frag === null) {\n return;\n }\n } else {\n // VoD playlist: if bufferEnd before start of playlist, load first fragment\n if (bufferEnd < start) {\n frag = fragments[0];\n }\n }\n }\n if (!frag) {\n frag = this._findFragment(start, fragPrevious, fragLen, fragments, bufferEnd, end, levelDetails);\n }\n\n if (frag) {\n if (frag.encrypted) {\n logger.log(`Loading key for ${frag.sn} of [${levelDetails.startSN} ,${levelDetails.endSN}],level ${level}`);\n this._loadKey(frag);\n } else {\n logger.log(`Loading ${frag.sn} of [${levelDetails.startSN} ,${levelDetails.endSN}],level ${level}, currentTime:${pos.toFixed(3)},bufferEnd:${bufferEnd.toFixed(3)}`);\n this._loadFragment(frag);\n }\n }\n }\n\n _ensureFragmentAtLivePoint (levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen) {\n const config = this.hls.config, media = this.media;\n\n let frag;\n\n // check if requested position is within seekable boundaries :\n // logger.log(`start/pos/bufEnd/seeking:${start.toFixed(3)}/${pos.toFixed(3)}/${bufferEnd.toFixed(3)}/${this.media.seeking}`);\n let maxLatency = config.liveMaxLatencyDuration !== undefined ? config.liveMaxLatencyDuration : config.liveMaxLatencyDurationCount * levelDetails.targetduration;\n\n if (bufferEnd < Math.max(start - config.maxFragLookUpTolerance, end - maxLatency)) {\n let liveSyncPosition = this.liveSyncPosition = this.computeLivePosition(start, levelDetails);\n bufferEnd = liveSyncPosition;\n if (media && !media.paused && media.readyState && media.duration > liveSyncPosition && liveSyncPosition > media.currentTime) {\n logger.log(`buffer end: ${bufferEnd.toFixed(3)} is located too far from the end of live sliding playlist, reset currentTime to : ${liveSyncPosition.toFixed(3)}`);\n media.currentTime = liveSyncPosition;\n }\n\n this.nextLoadPosition = liveSyncPosition;\n }\n\n // if end of buffer greater than live edge, don't load any fragment\n // this could happen if live playlist intermittently slides in the past.\n // level 1 loaded [182580161,182580167]\n // level 1 loaded [182580162,182580169]\n // Loading 182580168 of [182580162 ,182580169],level 1 ..\n // Loading 182580169 of [182580162 ,182580169],level 1 ..\n // level 1 loaded [182580162,182580168] <============= here we should have bufferEnd > end. in that case break to avoid reloading 182580168\n // level 1 loaded [182580164,182580171]\n //\n // don't return null in case media not loaded yet (readystate === 0)\n if (levelDetails.PTSKnown && bufferEnd > end && media && media.readyState) {\n return null;\n }\n\n if (this.startFragRequested && !levelDetails.PTSKnown) {\n /* we are switching level on live playlist, but we don't have any PTS info for that quality level ...\n try to load frag matching with next SN.\n even if SN are not synchronized between playlists, loading this frag will help us\n compute playlist sliding and find the right one after in case it was not the right consecutive one */\n if (fragPrevious) {\n if (levelDetails.hasProgramDateTime) {\n // Relies on PDT in order to switch bitrates (Support EXT-X-DISCONTINUITY without EXT-X-DISCONTINUITY-SEQUENCE)\n logger.log(`live playlist, switching playlist, load frag with same PDT: ${fragPrevious.programDateTime}`);\n frag = findFragmentByPDT(fragments, fragPrevious.endProgramDateTime, config.maxFragLookUpTolerance);\n } else {\n // Uses buffer and sequence number to calculate switch segment (required if using EXT-X-DISCONTINUITY-SEQUENCE)\n const targetSN = fragPrevious.sn + 1;\n if (targetSN >= levelDetails.startSN && targetSN <= levelDetails.endSN) {\n const fragNext = fragments[targetSN - levelDetails.startSN];\n if (fragPrevious.cc === fragNext.cc) {\n frag = fragNext;\n logger.log(`live playlist, switching playlist, load frag with next SN: ${frag.sn}`);\n }\n }\n // next frag SN not available (or not with same continuity counter)\n // look for a frag sharing the same CC\n if (!frag) {\n frag = BinarySearch.search(fragments, function (frag) {\n return fragPrevious.cc - frag.cc;\n });\n if (frag) {\n logger.log(`live playlist, switching playlist, load frag with same CC: ${frag.sn}`);\n }\n }\n }\n }\n if (!frag) {\n /* we have no idea about which fragment should be loaded.\n so let's load mid fragment. it will help computing playlist sliding and find the right one\n */\n frag = fragments[Math.min(fragLen - 1, Math.round(fragLen / 2))];\n logger.log(`live playlist, switching playlist, unknown, load middle frag : ${frag.sn}`);\n }\n }\n\n return frag;\n }\n\n _findFragment (start, fragPreviousLoad, fragmentIndexRange, fragments, bufferEnd, end, levelDetails) {\n const config = this.hls.config;\n let fragNextLoad;\n\n if (bufferEnd < end) {\n const lookupTolerance = (bufferEnd > end - config.maxFragLookUpTolerance) ? 0 : config.maxFragLookUpTolerance;\n // Remove the tolerance if it would put the bufferEnd past the actual end of stream\n // Uses buffer and sequence number to calculate switch segment (required if using EXT-X-DISCONTINUITY-SEQUENCE)\n fragNextLoad = findFragmentByPTS(fragPreviousLoad, fragments, bufferEnd, lookupTolerance);\n } else {\n // reach end of playlist\n fragNextLoad = fragments[fragmentIndexRange - 1];\n }\n\n if (fragNextLoad) {\n const curSNIdx = fragNextLoad.sn - levelDetails.startSN;\n const sameLevel = fragPreviousLoad && fragNextLoad.level === fragPreviousLoad.level;\n const prevSnFrag = fragments[curSNIdx - 1];\n const nextSnFrag = fragments[curSNIdx + 1];\n\n // logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn);\n if (fragPreviousLoad && fragNextLoad.sn === fragPreviousLoad.sn) {\n if (sameLevel && !fragNextLoad.backtracked) {\n if (fragNextLoad.sn < levelDetails.endSN) {\n let deltaPTS = fragPreviousLoad.deltaPTS;\n // if there is a significant delta between audio and video, larger than max allowed hole,\n // and if previous remuxed fragment did not start with a keyframe. (fragPrevious.dropped)\n // let's try to load previous fragment again to get last keyframe\n // then we will reload again current fragment (that way we should be able to fill the buffer hole ...)\n if (deltaPTS && deltaPTS > config.maxBufferHole && fragPreviousLoad.dropped && curSNIdx) {\n fragNextLoad = prevSnFrag;\n logger.warn('Previous fragment was dropped with large PTS gap between audio and video. Maybe fragment is not starting with a keyframe? Loading previous one to try to overcome this');\n } else {\n fragNextLoad = nextSnFrag;\n logger.log(`Re-loading fragment with SN: ${fragNextLoad.sn}`);\n }\n } else {\n fragNextLoad = null;\n }\n } else if (fragNextLoad.backtracked) {\n // Only backtrack a max of 1 consecutive fragment to prevent sliding back too far when little or no frags start with keyframes\n if (nextSnFrag && nextSnFrag.backtracked) {\n logger.warn(`Already backtracked from fragment ${nextSnFrag.sn}, will not backtrack to fragment ${fragNextLoad.sn}. Loading fragment ${nextSnFrag.sn}`);\n fragNextLoad = nextSnFrag;\n } else {\n // If a fragment has dropped frames and it's in a same level/sequence, load the previous fragment to try and find the keyframe\n // Reset the dropped count now since it won't be reset until we parse the fragment again, which prevents infinite backtracking on the same segment\n logger.warn('Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe');\n fragNextLoad.dropped = 0;\n if (prevSnFrag) {\n fragNextLoad = prevSnFrag;\n fragNextLoad.backtracked = true;\n } else if (curSNIdx) {\n // can't backtrack on very first fragment\n fragNextLoad = null;\n }\n }\n }\n }\n }\n\n return fragNextLoad;\n }\n\n _loadKey (frag) {\n this.state = State.KEY_LOADING;\n this.hls.trigger(Event.KEY_LOADING, { frag });\n }\n\n _loadFragment (frag) {\n // Check if fragment is not loaded\n let fragState = this.fragmentTracker.getState(frag);\n\n this.fragCurrent = frag;\n if (frag.sn !== 'initSegment') {\n this.startFragRequested = true;\n }\n // Don't update nextLoadPosition for fragments which are not buffered\n if (Number.isFinite(frag.sn) && !frag.bitrateTest) {\n this.nextLoadPosition = frag.start + frag.duration;\n }\n\n // Allow backtracked fragments to load\n if (frag.backtracked || fragState === FragmentState.NOT_LOADED || fragState === FragmentState.PARTIAL) {\n frag.autoLevel = this.hls.autoLevelEnabled;\n frag.bitrateTest = this.bitrateTest;\n\n this.hls.trigger(Event.FRAG_LOADING, { frag });\n // lazy demuxer init, as this could take some time ... do it during frag loading\n if (!this.demuxer) {\n this.demuxer = new Demuxer(this.hls, 'main');\n }\n\n this.state = State.FRAG_LOADING;\n } else if (fragState === FragmentState.APPENDING) {\n // Lower the buffer size and try again\n if (this._reduceMaxBufferLength(frag.duration)) {\n this.fragmentTracker.removeFragment(frag);\n }\n }\n }\n\n set state (nextState) {\n if (this.state !== nextState) {\n const previousState = this.state;\n this._state = nextState;\n logger.log(`main stream-controller: ${previousState}->${nextState}`);\n this.hls.trigger(Event.STREAM_STATE_TRANSITION, { previousState, nextState });\n }\n }\n\n get state () {\n return this._state;\n }\n\n getBufferedFrag (position) {\n return this.fragmentTracker.getBufferedFrag(position, PlaylistLevelType.MAIN);\n }\n\n get currentLevel () {\n let media = this.media;\n if (media) {\n const frag = this.getBufferedFrag(media.currentTime);\n if (frag) {\n return frag.level;\n }\n }\n return -1;\n }\n\n get nextBufferedFrag () {\n let media = this.media;\n if (media) {\n // first get end range of current fragment\n return this.followingBufferedFrag(this.getBufferedFrag(media.currentTime));\n } else {\n return null;\n }\n }\n\n followingBufferedFrag (frag) {\n if (frag) {\n // try to get range of next fragment (500ms after this range)\n return this.getBufferedFrag(frag.endPTS + 0.5);\n }\n return null;\n }\n\n get nextLevel () {\n const frag = this.nextBufferedFrag;\n if (frag) {\n return frag.level;\n } else {\n return -1;\n }\n }\n\n _checkFragmentChanged () {\n let fragPlayingCurrent, currentTime, video = this.media;\n if (video && video.readyState && video.seeking === false) {\n currentTime = video.currentTime;\n /* if video element is in seeked state, currentTime can only increase.\n (assuming that playback rate is positive ...)\n As sometimes currentTime jumps back to zero after a\n media decode error, check this, to avoid seeking back to\n wrong position after a media decode error\n */\n if (currentTime > this.lastCurrentTime) {\n this.lastCurrentTime = currentTime;\n }\n\n if (BufferHelper.isBuffered(video, currentTime)) {\n fragPlayingCurrent = this.getBufferedFrag(currentTime);\n } else if (BufferHelper.isBuffered(video, currentTime + 0.1)) {\n /* ensure that FRAG_CHANGED event is triggered at startup,\n when first video frame is displayed and playback is paused.\n add a tolerance of 100ms, in case current position is not buffered,\n check if current pos+100ms is buffered and use that buffer range\n for FRAG_CHANGED event reporting */\n fragPlayingCurrent = this.getBufferedFrag(currentTime + 0.1);\n }\n if (fragPlayingCurrent) {\n let fragPlaying = fragPlayingCurrent;\n if (fragPlaying !== this.fragPlaying) {\n this.hls.trigger(Event.FRAG_CHANGED, { frag: fragPlaying });\n const fragPlayingLevel = fragPlaying.level;\n if (!this.fragPlaying || this.fragPlaying.level !== fragPlayingLevel) {\n this.hls.trigger(Event.LEVEL_SWITCHED, { level: fragPlayingLevel });\n }\n\n this.fragPlaying = fragPlaying;\n }\n }\n }\n }\n\n /*\n on immediate level switch :\n - pause playback if playing\n - cancel any pending load request\n - and trigger a buffer flush\n */\n immediateLevelSwitch () {\n logger.log('immediateLevelSwitch');\n if (!this.immediateSwitch) {\n this.immediateSwitch = true;\n let media = this.media, previouslyPaused;\n if (media) {\n previouslyPaused = media.paused;\n media.pause();\n } else {\n // don't restart playback after instant level switch in case media not attached\n previouslyPaused = true;\n }\n this.previouslyPaused = previouslyPaused;\n }\n let fragCurrent = this.fragCurrent;\n if (fragCurrent && fragCurrent.loader) {\n fragCurrent.loader.abort();\n }\n\n this.fragCurrent = null;\n // flush everything\n this.flushMainBuffer(0, Number.POSITIVE_INFINITY);\n }\n\n /**\n * on immediate level switch end, after new fragment has been buffered:\n * - nudge video decoder by slightly adjusting video currentTime (if currentTime buffered)\n * - resume the playback if needed\n */\n immediateLevelSwitchEnd () {\n const media = this.media;\n if (media && media.buffered.length) {\n this.immediateSwitch = false;\n if (BufferHelper.isBuffered(media, media.currentTime)) {\n // only nudge if currentTime is buffered\n media.currentTime -= 0.0001;\n }\n if (!this.previouslyPaused) {\n media.play();\n }\n }\n }\n\n /**\n * try to switch ASAP without breaking video playback:\n * in order to ensure smooth but quick level switching,\n * we need to find the next flushable buffer range\n * we should take into account new segment fetch time\n */\n nextLevelSwitch () {\n const media = this.media;\n // ensure that media is defined and that metadata are available (to retrieve currentTime)\n if (media && media.readyState) {\n let fetchdelay, fragPlayingCurrent, nextBufferedFrag;\n fragPlayingCurrent = this.getBufferedFrag(media.currentTime);\n if (fragPlayingCurrent && fragPlayingCurrent.startPTS > 1) {\n // flush buffer preceding current fragment (flush until current fragment start offset)\n // minus 1s to avoid video freezing, that could happen if we flush keyframe of current video ...\n this.flushMainBuffer(0, fragPlayingCurrent.startPTS - 1);\n }\n if (!media.paused) {\n // add a safety delay of 1s\n let nextLevelId = this.hls.nextLoadLevel, nextLevel = this.levels[nextLevelId], fragLastKbps = this.fragLastKbps;\n if (fragLastKbps && this.fragCurrent) {\n fetchdelay = this.fragCurrent.duration * nextLevel.bitrate / (1000 * fragLastKbps) + 1;\n } else {\n fetchdelay = 0;\n }\n } else {\n fetchdelay = 0;\n }\n // logger.log('fetchdelay:'+fetchdelay);\n // find buffer range that will be reached once new fragment will be fetched\n nextBufferedFrag = this.getBufferedFrag(media.currentTime + fetchdelay);\n if (nextBufferedFrag) {\n // we can flush buffer range following this one without stalling playback\n nextBufferedFrag = this.followingBufferedFrag(nextBufferedFrag);\n if (nextBufferedFrag) {\n // if we are here, we can also cancel any loading/demuxing in progress, as they are useless\n let fragCurrent = this.fragCurrent;\n if (fragCurrent && fragCurrent.loader) {\n fragCurrent.loader.abort();\n }\n\n this.fragCurrent = null;\n // start flush position is the start PTS of next buffered frag.\n // we use frag.naxStartPTS which is max(audio startPTS, video startPTS).\n // in case there is a small PTS Delta between audio and video, using maxStartPTS avoids flushing last samples from current fragment\n this.flushMainBuffer(nextBufferedFrag.maxStartPTS, Number.POSITIVE_INFINITY);\n }\n }\n }\n }\n\n flushMainBuffer (startOffset, endOffset) {\n this.state = State.BUFFER_FLUSHING;\n let flushScope = { startOffset: startOffset, endOffset: endOffset };\n // if alternate audio tracks are used, only flush video, otherwise flush everything\n if (this.altAudio) {\n flushScope.type = 'video';\n }\n\n this.hls.trigger(Event.BUFFER_FLUSHING, flushScope);\n }\n\n onMediaAttached (data) {\n let media = this.media = this.mediaBuffer = data.media;\n this.onvseeking = this.onMediaSeeking.bind(this);\n this.onvseeked = this.onMediaSeeked.bind(this);\n this.onvended = this.onMediaEnded.bind(this);\n media.addEventListener('seeking', this.onvseeking);\n media.addEventListener('seeked', this.onvseeked);\n media.addEventListener('ended', this.onvended);\n let config = this.config;\n if (this.levels && config.autoStartLoad) {\n this.hls.startLoad(config.startPosition);\n }\n\n this.gapController = new GapController(config, media, this.fragmentTracker, this.hls);\n }\n\n onMediaDetaching () {\n let media = this.media;\n if (media && media.ended) {\n logger.log('MSE detaching and video ended, reset startPosition');\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n // reset fragment backtracked flag\n let levels = this.levels;\n if (levels) {\n levels.forEach(level => {\n if (level.details) {\n level.details.fragments.forEach(fragment => {\n fragment.backtracked = undefined;\n });\n }\n });\n }\n\n // remove video listeners\n if (media) {\n media.removeEventListener('seeking', this.onvseeking);\n media.removeEventListener('seeked', this.onvseeked);\n media.removeEventListener('ended', this.onvended);\n this.onvseeking = this.onvseeked = this.onvended = null;\n }\n\n this.fragmentTracker.removeAllFragments();\n this.media = this.mediaBuffer = null;\n this.loadedmetadata = false;\n this.stopLoad();\n }\n\n onMediaSeeked () {\n const media = this.media;\n const currentTime = media ? media.currentTime : undefined;\n const { seekWithinTolerance } = this.config;\n\n // We are not firing Event.CAN_PLAY_AFTER_SEEK only if we are seeking again to reach buffered fragment.\n if (!seekWithinTolerance || !this.gapController.seekWithinToleranceIfNeeded()) {\n this.hls.trigger(Event.CAN_PLAY_AFTER_SEEK);\n }\n\n if (Number.isFinite(currentTime)) {\n logger.log(`media seeked to ${currentTime.toFixed(3)}`);\n }\n\n // tick to speed up FRAGMENT_PLAYING triggering\n this.tick();\n }\n\n onManifestLoading () {\n // reset buffer on manifest loading\n logger.log('trigger BUFFER_RESET');\n this.hls.trigger(Event.BUFFER_RESET);\n this.fragmentTracker.removeAllFragments();\n this.stalled = false;\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n onManifestParsed (data) {\n let aac = false, heaac = false, codec;\n data.levels.forEach(level => {\n // detect if we have different kind of audio codecs used amongst playlists\n codec = level.audioCodec;\n if (codec) {\n if (codec.indexOf('mp4a.40.2') !== -1) {\n aac = true;\n }\n\n if (codec.indexOf('mp4a.40.5') !== -1) {\n heaac = true;\n }\n }\n });\n this.audioCodecSwitch = (aac && heaac);\n if (this.audioCodecSwitch) {\n logger.log('both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC');\n }\n\n this.altAudio = data.altAudio;\n this.levels = data.levels;\n this.startFragRequested = false;\n let config = this.config;\n if (config.autoStartLoad || this.forceStartLoad) {\n this.hls.startLoad(config.startPosition);\n }\n }\n\n onLevelLoaded (data) {\n const newDetails = data.details;\n const newLevelId = data.level;\n const lastLevel = this.levels[this.levelLastLoaded];\n const curLevel = this.levels[newLevelId];\n const duration = newDetails.totalduration;\n let sliding = 0;\n\n logger.log(`level ${newLevelId} loaded [${newDetails.startSN},${newDetails.endSN}],duration:${duration}`);\n\n if (newDetails.live) {\n let curDetails = curLevel.details;\n if (curDetails && newDetails.fragments.length > 0) {\n // we already have details for that level, merge them\n LevelHelper.mergeDetails(curDetails, newDetails);\n sliding = newDetails.fragments[0].start;\n this.liveSyncPosition = this.computeLivePosition(sliding, curDetails);\n if (newDetails.PTSKnown && Number.isFinite(sliding)) {\n logger.log(`live playlist sliding:${sliding.toFixed(3)}`);\n } else {\n logger.log('live playlist - outdated PTS, unknown sliding');\n alignStream(this.fragPrevious, lastLevel, newDetails);\n }\n } else {\n logger.log('live playlist - first load, unknown sliding');\n newDetails.PTSKnown = false;\n alignStream(this.fragPrevious, lastLevel, newDetails);\n }\n } else {\n newDetails.PTSKnown = false;\n }\n // override level info\n curLevel.details = newDetails;\n this.levelLastLoaded = newLevelId;\n this.hls.trigger(Event.LEVEL_UPDATED, { details: newDetails, level: newLevelId });\n\n if (this.startFragRequested === false) {\n // compute start position if set to -1. use it straight away if value is defined\n if (this.startPosition === -1 || this.lastCurrentTime === -1) {\n // first, check if start time offset has been set in playlist, if yes, use this value\n let startTimeOffset = newDetails.startTimeOffset;\n if (Number.isFinite(startTimeOffset)) {\n if (startTimeOffset < 0) {\n logger.log(`negative start time offset ${startTimeOffset}, count from end of last fragment`);\n startTimeOffset = sliding + duration + startTimeOffset;\n }\n logger.log(`start time offset found in playlist, adjust startPosition to ${startTimeOffset}`);\n this.startPosition = startTimeOffset;\n } else {\n // if live playlist, set start position to be fragment N-this.config.liveSyncDurationCount (usually 3)\n if (newDetails.live) {\n this.startPosition = this.computeLivePosition(sliding, newDetails);\n logger.log(`configure startPosition to ${this.startPosition}`);\n } else {\n this.startPosition = 0;\n }\n }\n this.lastCurrentTime = this.startPosition;\n }\n this.nextLoadPosition = this.startPosition;\n }\n // only switch batck to IDLE state if we were waiting for level to start downloading a new fragment\n if (this.state === State.WAITING_LEVEL) {\n this.state = State.IDLE;\n }\n\n // trigger handler right now\n this.tick();\n }\n\n onKeyLoaded () {\n if (this.state === State.KEY_LOADING) {\n this.state = State.IDLE;\n this.tick();\n }\n }\n\n onFragLoaded (data) {\n const { fragCurrent, hls, levels, media } = this;\n const fragLoaded = data.frag;\n if (this.state === State.FRAG_LOADING &&\n fragCurrent &&\n fragLoaded.type === 'main' &&\n fragLoaded.level === fragCurrent.level &&\n fragLoaded.sn === fragCurrent.sn) {\n const stats = data.stats;\n const currentLevel = levels[fragCurrent.level];\n const details = currentLevel.details;\n // reset frag bitrate test in any case after frag loaded event\n // if this frag was loaded to perform a bitrate test AND if hls.nextLoadLevel is greater than 0\n // then this means that we should be able to load a fragment at a higher quality level\n this.bitrateTest = false;\n this.stats = stats;\n\n logger.log(`Loaded ${fragCurrent.sn} of [${details.startSN} ,${details.endSN}],level ${fragCurrent.level}`);\n if (fragLoaded.bitrateTest && hls.nextLoadLevel) {\n // switch back to IDLE state ... we just loaded a fragment to determine adequate start bitrate and initialize autoswitch algo\n this.state = State.IDLE;\n this.startFragRequested = false;\n stats.tparsed = stats.tbuffered = window.performance.now();\n hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'main' });\n this.tick();\n } else if (fragLoaded.sn === 'initSegment') {\n this.state = State.IDLE;\n stats.tparsed = stats.tbuffered = window.performance.now();\n details.initSegment.data = data.payload;\n hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'main' });\n this.tick();\n } else {\n logger.log(`Parsing ${fragCurrent.sn} of [${details.startSN} ,${details.endSN}],level ${fragCurrent.level}, cc ${fragCurrent.cc}`);\n this.state = State.PARSING;\n this.pendingBuffering = true;\n this.appended = false;\n\n // Bitrate test frags are not usually buffered so the fragment tracker ignores them. If Hls.js decides to buffer\n // it (and therefore ends up at this line), then the fragment tracker needs to be manually informed.\n if (fragLoaded.bitrateTest) {\n fragLoaded.bitrateTest = false;\n this.fragmentTracker.onFragLoaded({\n frag: fragLoaded\n });\n }\n\n // time Offset is accurate if level PTS is known, or if playlist is not sliding (not live) and if media is not seeking (this is to overcome potential timestamp drifts between playlists and fragments)\n const accurateTimeOffset = !(media && media.seeking) && (details.PTSKnown || !details.live);\n const initSegmentData = details.initSegment ? details.initSegment.data : [];\n const audioCodec = this._getAudioCodec(currentLevel);\n\n // transmux the MPEG-TS data to ISO-BMFF segments\n const demuxer = this.demuxer = this.demuxer || new Demuxer(this.hls, 'main');\n demuxer.push(\n data.payload,\n initSegmentData,\n audioCodec,\n currentLevel.videoCodec,\n fragCurrent,\n details.totalduration,\n accurateTimeOffset\n );\n }\n }\n this.fragLoadError = 0;\n }\n\n onFragParsingInitSegment (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n let tracks = data.tracks, trackName, track;\n\n // if audio track is expected to come from audio stream controller, discard any coming from main\n if (tracks.audio && this.altAudio) {\n delete tracks.audio;\n }\n\n // include levelCodec in audio and video tracks\n track = tracks.audio;\n if (track) {\n let audioCodec = this.levels[this.level].audioCodec,\n ua = navigator.userAgent.toLowerCase();\n if (audioCodec && this.audioCodecSwap) {\n logger.log('swapping playlist audio codec');\n if (audioCodec.indexOf('mp4a.40.5') !== -1) {\n audioCodec = 'mp4a.40.2';\n } else {\n audioCodec = 'mp4a.40.5';\n }\n }\n // in case AAC and HE-AAC audio codecs are signalled in manifest\n // force HE-AAC , as it seems that most browsers prefers that way,\n // except for mono streams OR on FF\n // these conditions might need to be reviewed ...\n if (this.audioCodecSwitch) {\n // don't force HE-AAC if mono stream\n if (track.metadata.channelCount !== 1 &&\n // don't force HE-AAC if firefox\n ua.indexOf('firefox') === -1) {\n audioCodec = 'mp4a.40.5';\n }\n }\n // HE-AAC is broken on Android, always signal audio codec as AAC even if variant manifest states otherwise\n if (ua.indexOf('android') !== -1 && track.container !== 'audio/mpeg') { // Exclude mpeg audio\n audioCodec = 'mp4a.40.2';\n logger.log(`Android: force audio codec to ${audioCodec}`);\n }\n track.levelCodec = audioCodec;\n track.id = data.id;\n }\n track = tracks.video;\n if (track) {\n track.levelCodec = this.levels[this.level].videoCodec;\n track.id = data.id;\n }\n this.hls.trigger(Event.BUFFER_CODECS, tracks);\n // loop through tracks that are going to be provided to bufferController\n for (trackName in tracks) {\n track = tracks[trackName];\n logger.log(`main track:${trackName},container:${track.container},codecs[level/parsed]=[${track.levelCodec}/${track.codec}]`);\n let initSegment = track.initSegment;\n if (initSegment) {\n this.appended = true;\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n this.hls.trigger(Event.BUFFER_APPENDING, { type: trackName, data: initSegment, parent: 'main', content: 'initSegment' });\n }\n }\n // trigger handler right now\n this.tick();\n }\n }\n\n onFragParsingData (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n !(data.type === 'audio' && this.altAudio) && // filter out main audio if audio track is loaded through audio stream controller\n this.state === State.PARSING) {\n let level = this.levels[this.level],\n frag = fragCurrent;\n if (!Number.isFinite(data.endPTS)) {\n data.endPTS = data.startPTS + fragCurrent.duration;\n data.endDTS = data.startDTS + fragCurrent.duration;\n }\n\n if (data.hasAudio === true) {\n frag.addElementaryStream(ElementaryStreamTypes.AUDIO);\n }\n\n if (data.hasVideo === true) {\n frag.addElementaryStream(ElementaryStreamTypes.VIDEO);\n }\n\n logger.log(`Parsed ${data.type},PTS:[${data.startPTS.toFixed(3)},${data.endPTS.toFixed(3)}],DTS:[${data.startDTS.toFixed(3)}/${data.endDTS.toFixed(3)}],nb:${data.nb},dropped:${data.dropped || 0}`);\n\n // Detect gaps in a fragment and try to fix it by finding a keyframe in the previous fragment (see _findFragments)\n if (data.type === 'video') {\n frag.dropped = data.dropped;\n if (frag.dropped) {\n if (!frag.backtracked) {\n const levelDetails = level.details;\n if (levelDetails && frag.sn === levelDetails.startSN) {\n logger.warn('missing video frame(s) on first frag, appending with gap', frag.sn);\n } else {\n logger.warn('missing video frame(s), backtracking fragment', frag.sn);\n // Return back to the IDLE state without appending to buffer\n // Causes findFragments to backtrack a segment and find the keyframe\n // Audio fragments arriving before video sets the nextLoadPosition, causing _findFragments to skip the backtracked fragment\n this.fragmentTracker.removeFragment(frag);\n frag.backtracked = true;\n this.nextLoadPosition = data.startPTS;\n this.state = State.IDLE;\n this.fragPrevious = frag;\n this.tick();\n return;\n }\n } else {\n logger.warn('Already backtracked on this fragment, appending with the gap', frag.sn);\n }\n } else {\n // Only reset the backtracked flag if we've loaded the frag without any dropped frames\n frag.backtracked = false;\n }\n }\n\n let drift = LevelHelper.updateFragPTSDTS(level.details, frag, data.startPTS, data.endPTS, data.startDTS, data.endDTS),\n hls = this.hls;\n hls.trigger(Event.LEVEL_PTS_UPDATED, { details: level.details, level: this.level, drift: drift, type: data.type, start: data.startPTS, end: data.endPTS });\n // has remuxer dropped video frames located before first keyframe ?\n [data.data1, data.data2].forEach(buffer => {\n // only append in PARSING state (rationale is that an appending error could happen synchronously on first segment appending)\n // in that case it is useless to append following segments\n if (buffer && buffer.length && this.state === State.PARSING) {\n this.appended = true;\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n hls.trigger(Event.BUFFER_APPENDING, { type: data.type, data: buffer, parent: 'main', content: 'data' });\n }\n });\n // trigger handler right now\n this.tick();\n }\n }\n\n onFragParsed (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n this.stats.tparsed = window.performance.now();\n this.state = State.PARSED;\n this._checkAppendedParsed();\n }\n }\n\n onAudioTrackSwitching (data) {\n // if any URL found on new audio track, it is an alternate audio track\n let altAudio = !!data.url,\n trackId = data.id;\n // if we switch on main audio, ensure that main fragment scheduling is synced with media.buffered\n // don't do anything if we switch to alt audio: audio stream controller is handling it.\n // we will just have to change buffer scheduling on audioTrackSwitched\n if (!altAudio) {\n if (this.mediaBuffer !== this.media) {\n logger.log('switching on main audio, use media.buffered to schedule main fragment loading');\n this.mediaBuffer = this.media;\n let fragCurrent = this.fragCurrent;\n // we need to refill audio buffer from main: cancel any frag loading to speed up audio switch\n if (fragCurrent.loader) {\n logger.log('switching to main audio track, cancel main fragment load');\n fragCurrent.loader.abort();\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n // destroy demuxer to force init segment generation (following audio switch)\n if (this.demuxer) {\n this.demuxer.destroy();\n this.demuxer = null;\n }\n // switch to IDLE state to load new fragment\n this.state = State.IDLE;\n }\n let hls = this.hls;\n // switching to main audio, flush all audio and trigger track switched\n hls.trigger(Event.BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' });\n hls.trigger(Event.AUDIO_TRACK_SWITCHED, { id: trackId });\n this.altAudio = false;\n }\n }\n\n onAudioTrackSwitched (data) {\n let trackId = data.id,\n altAudio = !!this.hls.audioTracks[trackId].url;\n if (altAudio) {\n let videoBuffer = this.videoBuffer;\n // if we switched on alternate audio, ensure that main fragment scheduling is synced with video sourcebuffer buffered\n if (videoBuffer && this.mediaBuffer !== videoBuffer) {\n logger.log('switching on alternate audio, use video.buffered to schedule main fragment loading');\n this.mediaBuffer = videoBuffer;\n }\n }\n this.altAudio = altAudio;\n this.tick();\n }\n\n onBufferCreated (data) {\n let tracks = data.tracks, mediaTrack, name, alternate = false;\n for (let type in tracks) {\n let track = tracks[type];\n if (track.id === 'main') {\n name = type;\n mediaTrack = track;\n // keep video source buffer reference\n if (type === 'video') {\n this.videoBuffer = tracks[type].buffer;\n }\n } else {\n alternate = true;\n }\n }\n if (alternate && mediaTrack) {\n logger.log(`alternate track found, use ${name}.buffered to schedule main fragment loading`);\n this.mediaBuffer = mediaTrack.buffer;\n } else {\n this.mediaBuffer = this.media;\n }\n }\n\n onBufferAppended (data) {\n if (data.parent === 'main') {\n const state = this.state;\n if (state === State.PARSING || state === State.PARSED) {\n // check if all buffers have been appended\n this.pendingBuffering = (data.pending > 0);\n this._checkAppendedParsed();\n }\n }\n }\n\n _checkAppendedParsed () {\n // trigger handler right now\n if (this.state === State.PARSED && (!this.appended || !this.pendingBuffering)) {\n const frag = this.fragCurrent;\n if (frag) {\n const media = this.mediaBuffer ? this.mediaBuffer : this.media;\n logger.log(`main buffered : ${TimeRanges.toString(media.buffered)}`);\n this.fragPrevious = frag;\n const stats = this.stats;\n stats.tbuffered = window.performance.now();\n // we should get rid of this.fragLastKbps\n this.fragLastKbps = Math.round(8 * stats.total / (stats.tbuffered - stats.tfirst));\n this.hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: frag, id: 'main' });\n this.state = State.IDLE;\n }\n this.tick();\n }\n }\n\n onError (data) {\n let frag = data.frag || this.fragCurrent;\n // don't handle frag error not related to main fragment\n if (frag && frag.type !== 'main') {\n return;\n }\n\n // 0.5 : tolerance needed as some browsers stalls playback before reaching buffered end\n let mediaBuffered = !!this.media && BufferHelper.isBuffered(this.media, this.media.currentTime) && BufferHelper.isBuffered(this.media, this.media.currentTime + 0.5);\n\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n if (!data.fatal) {\n // keep retrying until the limit will be reached\n if ((this.fragLoadError + 1) <= this.config.fragLoadingMaxRetry) {\n // exponential backoff capped to config.fragLoadingMaxRetryTimeout\n let delay = Math.min(Math.pow(2, this.fragLoadError) * this.config.fragLoadingRetryDelay, this.config.fragLoadingMaxRetryTimeout);\n logger.warn(`mediaController: frag loading failed, retry in ${delay} ms`);\n this.retryDate = window.performance.now() + delay;\n // retry loading state\n // if loadedmetadata is not set, it means that we are emergency switch down on first frag\n // in that case, reset startFragRequested flag\n if (!this.loadedmetadata) {\n this.startFragRequested = false;\n this.nextLoadPosition = this.startPosition;\n }\n this.fragLoadError++;\n this.state = State.FRAG_LOADING_WAITING_RETRY;\n } else {\n logger.error(`mediaController: ${data.details} reaches max retry, redispatch as fatal ...`);\n // switch error to fatal\n data.fatal = true;\n this.state = State.ERROR;\n }\n }\n break;\n case ErrorDetails.LEVEL_LOAD_ERROR:\n case ErrorDetails.LEVEL_LOAD_TIMEOUT:\n if (this.state !== State.ERROR) {\n if (data.fatal) {\n // if fatal error, stop processing\n this.state = State.ERROR;\n logger.warn(`streamController: ${data.details},switch to ${this.state} state ...`);\n } else {\n // in case of non fatal error while loading level, if level controller is not retrying to load level , switch back to IDLE\n if (!data.levelRetry && this.state === State.WAITING_LEVEL) {\n this.state = State.IDLE;\n }\n }\n }\n break;\n case ErrorDetails.BUFFER_FULL_ERROR:\n // if in appending state\n if (data.parent === 'main' && (this.state === State.PARSING || this.state === State.PARSED)) {\n // reduce max buf len if current position is buffered\n if (mediaBuffered) {\n this._reduceMaxBufferLength(this.config.maxBufferLength);\n this.state = State.IDLE;\n } else {\n // current position is not buffered, but browser is still complaining about buffer full error\n // this happens on IE/Edge, refer to https://github.com/video-dev/hls.js/pull/708\n // in that case flush the whole buffer to recover\n logger.warn('buffer full error also media.currentTime is not buffered, flush everything');\n this.fragCurrent = null;\n // flush everything\n this.flushMainBuffer(0, Number.POSITIVE_INFINITY);\n }\n }\n break;\n default:\n break;\n }\n }\n\n _reduceMaxBufferLength (minLength) {\n let config = this.config;\n if (config.maxMaxBufferLength >= minLength) {\n // reduce max buffer length as it might be too high. we do this to avoid loop flushing ...\n config.maxMaxBufferLength /= 2;\n logger.warn(`main:reduce max buffer length to ${config.maxMaxBufferLength}s`);\n return true;\n }\n return false;\n }\n\n /**\n * Checks the health of the buffer and attempts to resolve playback stalls.\n * @private\n */\n _checkBuffer () {\n const { media } = this;\n if (!media || media.readyState === 0) {\n // Exit early if we don't have media or if the media hasn't bufferd anything yet (readyState 0)\n return;\n }\n\n const mediaBuffer = this.mediaBuffer ? this.mediaBuffer : media;\n const buffered = mediaBuffer.buffered;\n\n if (!this.loadedmetadata && buffered.length) {\n this.loadedmetadata = true;\n this._seekToStartPos();\n } else if (this.immediateSwitch) {\n this.immediateLevelSwitchEnd();\n } else {\n this.gapController.poll(this.lastCurrentTime, buffered);\n }\n }\n\n onFragLoadEmergencyAborted () {\n this.state = State.IDLE;\n // if loadedmetadata is not set, it means that we are emergency switch down on first frag\n // in that case, reset startFragRequested flag\n if (!this.loadedmetadata) {\n this.startFragRequested = false;\n this.nextLoadPosition = this.startPosition;\n }\n this.tick();\n }\n\n onBufferFlushed () {\n /* after successful buffer flushing, filter flushed fragments from bufferedFrags\n use mediaBuffered instead of media (so that we will check against video.buffered ranges in case of alt audio track)\n */\n const media = this.mediaBuffer ? this.mediaBuffer : this.media;\n if (media) {\n // filter fragments potentially evicted from buffer. this is to avoid memleak on live streams\n this.fragmentTracker.detectEvictedFragments(ElementaryStreamTypes.VIDEO, media.buffered);\n }\n // move to IDLE once flush complete. this should trigger new fragment loading\n this.state = State.IDLE;\n // reset reference to frag\n this.fragPrevious = null;\n }\n\n swapAudioCodec () {\n this.audioCodecSwap = !this.audioCodecSwap;\n }\n /**\n * Seeks to the set startPosition if not equal to the mediaElement's current time.\n * @private\n */\n _seekToStartPos () {\n const { media } = this;\n const currentTime = media.currentTime;\n // only adjust currentTime if different from startPosition or if startPosition not buffered\n // at that stage, there should be only one buffered range, as we reach that code after first fragment has been buffered\n const startPosition = media.seeking ? currentTime : this.startPosition;\n // if currentTime not matching with expected startPosition or startPosition not buffered but close to first buffered\n if (currentTime !== startPosition && startPosition >= 0) {\n // if startPosition not buffered, let's seek to buffered.start(0)\n logger.log(`target start position not buffered, seek to buffered.start(0) ${startPosition} from current time ${currentTime} `);\n media.currentTime = startPosition;\n }\n }\n\n _getAudioCodec (currentLevel) {\n let audioCodec = this.config.defaultAudioCodec || currentLevel.audioCodec;\n if (this.audioCodecSwap) {\n logger.log('swapping playlist audio codec');\n if (audioCodec) {\n if (audioCodec.indexOf('mp4a.40.5') !== -1) {\n audioCodec = 'mp4a.40.2';\n } else {\n audioCodec = 'mp4a.40.5';\n }\n }\n }\n\n return audioCodec;\n }\n\n get liveSyncPosition () {\n return this._liveSyncPosition;\n }\n\n set liveSyncPosition (value) {\n this._liveSyncPosition = value;\n }\n}\nexport default StreamController;\n","/*\n * Level Controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { isCodecSupportedInMp4 } from '../utils/codecs';\nimport { addGroupId, computeReloadInterval } from './level-helper';\n\nconst { performance } = window;\nlet chromeOrFirefox;\n\nexport default class LevelController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.MANIFEST_LOADED,\n Event.LEVEL_LOADED,\n Event.AUDIO_TRACK_SWITCHED,\n Event.FRAG_LOADED,\n Event.ERROR);\n\n this.canload = false;\n this.currentLevelIndex = null;\n this.manualLevelIndex = -1;\n this.timer = null;\n\n chromeOrFirefox = /chrome|firefox/.test(navigator.userAgent.toLowerCase());\n }\n\n onHandlerDestroying () {\n this.clearTimer();\n this.manualLevelIndex = -1;\n }\n\n clearTimer () {\n if (this.timer !== null) {\n clearTimeout(this.timer);\n this.timer = null;\n }\n }\n\n startLoad () {\n let levels = this._levels;\n\n this.canload = true;\n this.levelRetryCount = 0;\n\n // clean up live level details to force reload them, and reset load errors\n if (levels) {\n levels.forEach(level => {\n level.loadError = 0;\n const levelDetails = level.details;\n if (levelDetails && levelDetails.live) {\n level.details = undefined;\n }\n });\n }\n // speed up live playlist refresh if timer exists\n if (this.timer !== null) {\n this.loadLevel();\n }\n }\n\n stopLoad () {\n this.canload = false;\n }\n\n onManifestLoaded (data) {\n let levels = [];\n let audioTracks = [];\n let bitrateStart;\n let levelSet = {};\n let levelFromSet = null;\n let videoCodecFound = false;\n let audioCodecFound = false;\n\n // regroup redundant levels together\n data.levels.forEach(level => {\n const attributes = level.attrs;\n level.loadError = 0;\n level.fragmentError = false;\n\n videoCodecFound = videoCodecFound || !!level.videoCodec;\n audioCodecFound = audioCodecFound || !!level.audioCodec;\n\n // erase audio codec info if browser does not support mp4a.40.34.\n // demuxer will autodetect codec and fallback to mpeg/audio\n if (chromeOrFirefox && level.audioCodec && level.audioCodec.indexOf('mp4a.40.34') !== -1) {\n level.audioCodec = undefined;\n }\n\n levelFromSet = levelSet[level.bitrate]; // FIXME: we would also have to match the resolution here\n\n if (!levelFromSet) {\n level.url = [level.url];\n level.urlId = 0;\n levelSet[level.bitrate] = level;\n levels.push(level);\n } else {\n levelFromSet.url.push(level.url);\n }\n\n if (attributes) {\n if (attributes.AUDIO) {\n audioCodecFound = true;\n addGroupId(levelFromSet || level, 'audio', attributes.AUDIO);\n }\n if (attributes.SUBTITLES) {\n addGroupId(levelFromSet || level, 'text', attributes.SUBTITLES);\n }\n }\n });\n\n // remove audio-only level if we also have levels with audio+video codecs signalled\n if (videoCodecFound && audioCodecFound) {\n levels = levels.filter(({ videoCodec }) => !!videoCodec);\n }\n\n // only keep levels with supported audio/video codecs\n levels = levels.filter(({ audioCodec, videoCodec }) => {\n return (!audioCodec || isCodecSupportedInMp4(audioCodec, 'audio')) && (!videoCodec || isCodecSupportedInMp4(videoCodec, 'video'));\n });\n\n if (data.audioTracks) {\n audioTracks = data.audioTracks.filter(track => !track.audioCodec || isCodecSupportedInMp4(track.audioCodec, 'audio'));\n // Reassign id's after filtering since they're used as array indices\n audioTracks.forEach((track, index) => {\n track.id = index;\n });\n }\n\n if (levels.length > 0) {\n // start bitrate is the first bitrate of the manifest\n bitrateStart = levels[0].bitrate;\n // sort level on bitrate\n levels.sort((a, b) => a.bitrate - b.bitrate);\n this._levels = levels;\n // find index of first level in sorted levels\n for (let i = 0; i < levels.length; i++) {\n if (levels[i].bitrate === bitrateStart) {\n this._firstLevel = i;\n logger.log(`manifest loaded,${levels.length} level(s) found, first bitrate:${bitrateStart}`);\n break;\n }\n }\n\n // Audio is only alternate if manifest include a URI along with the audio group tag\n this.hls.trigger(Event.MANIFEST_PARSED, {\n levels,\n audioTracks,\n firstLevel: this._firstLevel,\n stats: data.stats,\n audio: audioCodecFound,\n video: videoCodecFound,\n altAudio: audioTracks.some(t => !!t.url)\n });\n } else {\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.MANIFEST_INCOMPATIBLE_CODECS_ERROR,\n fatal: true,\n url: this.hls.url,\n reason: 'no level with compatible codecs found in manifest'\n });\n }\n }\n\n get levels () {\n return this._levels;\n }\n\n get level () {\n return this.currentLevelIndex;\n }\n\n set level (newLevel) {\n let levels = this._levels;\n if (levels) {\n newLevel = Math.min(newLevel, levels.length - 1);\n if (this.currentLevelIndex !== newLevel || !levels[newLevel].details) {\n this.setLevelInternal(newLevel);\n }\n }\n }\n\n setLevelInternal (newLevel) {\n const levels = this._levels;\n const hls = this.hls;\n // check if level idx is valid\n if (newLevel >= 0 && newLevel < levels.length) {\n // stopping live reloading timer if any\n this.clearTimer();\n if (this.currentLevelIndex !== newLevel) {\n logger.log(`switching to level ${newLevel}`);\n this.currentLevelIndex = newLevel;\n const levelProperties = levels[newLevel];\n levelProperties.level = newLevel;\n hls.trigger(Event.LEVEL_SWITCHING, levelProperties);\n }\n const level = levels[newLevel];\n const levelDetails = level.details;\n\n // check if we need to load playlist for this level\n if (!levelDetails || levelDetails.live) {\n // level not retrieved yet, or live playlist we need to (re)load it\n let urlId = level.urlId;\n hls.trigger(Event.LEVEL_LOADING, { url: level.url[urlId], level: newLevel, id: urlId });\n }\n } else {\n // invalid level id given, trigger error\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.OTHER_ERROR,\n details: ErrorDetails.LEVEL_SWITCH_ERROR,\n level: newLevel,\n fatal: false,\n reason: 'invalid level idx'\n });\n }\n }\n\n get manualLevel () {\n return this.manualLevelIndex;\n }\n\n set manualLevel (newLevel) {\n this.manualLevelIndex = newLevel;\n if (this._startLevel === undefined) {\n this._startLevel = newLevel;\n }\n\n if (newLevel !== -1) {\n this.level = newLevel;\n }\n }\n\n get firstLevel () {\n return this._firstLevel;\n }\n\n set firstLevel (newLevel) {\n this._firstLevel = newLevel;\n }\n\n get startLevel () {\n // hls.startLevel takes precedence over config.startLevel\n // if none of these values are defined, fallback on this._firstLevel (first quality level appearing in variant manifest)\n if (this._startLevel === undefined) {\n let configStartLevel = this.hls.config.startLevel;\n if (configStartLevel !== undefined) {\n return configStartLevel;\n } else {\n return this._firstLevel;\n }\n } else {\n return this._startLevel;\n }\n }\n\n set startLevel (newLevel) {\n this._startLevel = newLevel;\n }\n\n onError (data) {\n if (data.fatal) {\n if (data.type === ErrorTypes.NETWORK_ERROR) {\n this.clearTimer();\n }\n\n return;\n }\n\n let levelError = false, fragmentError = false;\n let levelIndex;\n\n // try to recover not fatal errors\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n levelIndex = data.frag.level;\n fragmentError = true;\n break;\n case ErrorDetails.LEVEL_LOAD_ERROR:\n case ErrorDetails.LEVEL_LOAD_TIMEOUT:\n levelIndex = data.context.level;\n levelError = true;\n break;\n case ErrorDetails.REMUX_ALLOC_ERROR:\n levelIndex = data.level;\n levelError = true;\n break;\n }\n\n if (levelIndex !== undefined) {\n this.recoverLevel(data, levelIndex, levelError, fragmentError);\n }\n }\n\n /**\n * Switch to a redundant stream if any available.\n * If redundant stream is not available, emergency switch down if ABR mode is enabled.\n *\n * @param {Object} errorEvent\n * @param {Number} levelIndex current level index\n * @param {Boolean} levelError\n * @param {Boolean} fragmentError\n */\n // FIXME Find a better abstraction where fragment/level retry management is well decoupled\n recoverLevel (errorEvent, levelIndex, levelError, fragmentError) {\n let { config } = this.hls;\n let { details: errorDetails } = errorEvent;\n let level = this._levels[levelIndex];\n let redundantLevels, delay, nextLevel;\n\n level.loadError++;\n level.fragmentError = fragmentError;\n\n if (levelError) {\n if ((this.levelRetryCount + 1) <= config.levelLoadingMaxRetry) {\n // exponential backoff capped to max retry timeout\n delay = Math.min(Math.pow(2, this.levelRetryCount) * config.levelLoadingRetryDelay, config.levelLoadingMaxRetryTimeout);\n // Schedule level reload\n this.timer = setTimeout(() => this.loadLevel(), delay);\n // boolean used to inform stream controller not to switch back to IDLE on non fatal error\n errorEvent.levelRetry = true;\n this.levelRetryCount++;\n logger.warn(`level controller, ${errorDetails}, retry in ${delay} ms, current retry count is ${this.levelRetryCount}`);\n } else {\n logger.error(`level controller, cannot recover from ${errorDetails} error`);\n this.currentLevelIndex = null;\n // stopping live reloading timer if any\n this.clearTimer();\n // switch error to fatal\n errorEvent.fatal = true;\n return;\n }\n }\n\n // Try any redundant streams if available for both errors: level and fragment\n // If level.loadError reaches redundantLevels it means that we tried them all, no hope => let's switch down\n if (levelError || fragmentError) {\n redundantLevels = level.url.length;\n\n if (redundantLevels > 1 && level.loadError < redundantLevels) {\n level.urlId = (level.urlId + 1) % redundantLevels;\n level.details = undefined;\n\n logger.warn(`level controller, ${errorDetails} for level ${levelIndex}: switching to redundant URL-id ${level.urlId}`);\n\n // console.log('Current audio track group ID:', this.hls.audioTracks[this.hls.audioTrack].groupId);\n // console.log('New video quality level audio group id:', level.attrs.AUDIO);\n } else {\n // Search for available level\n if (this.manualLevelIndex === -1) {\n // When lowest level has been reached, let's start hunt from the top\n nextLevel = (levelIndex === 0) ? this._levels.length - 1 : levelIndex - 1;\n logger.warn(`level controller, ${errorDetails}: switch to ${nextLevel}`);\n this.hls.nextAutoLevel = this.currentLevelIndex = nextLevel;\n } else if (fragmentError) {\n // Allow fragment retry as long as configuration allows.\n // reset this._level so that another call to set level() will trigger again a frag load\n logger.warn(`level controller, ${errorDetails}: reload a fragment`);\n this.currentLevelIndex = null;\n }\n }\n }\n }\n\n // reset errors on the successful load of a fragment\n onFragLoaded ({ frag }) {\n if (frag !== undefined && frag.type === 'main') {\n const level = this._levels[frag.level];\n if (level !== undefined) {\n level.fragmentError = false;\n level.loadError = 0;\n this.levelRetryCount = 0;\n }\n }\n }\n\n onLevelLoaded (data) {\n const { level, details } = data;\n // only process level loaded events matching with expected level\n if (level !== this.currentLevelIndex) {\n return;\n }\n\n const curLevel = this._levels[level];\n // reset level load error counter on successful level loaded only if there is no issues with fragments\n if (!curLevel.fragmentError) {\n curLevel.loadError = 0;\n this.levelRetryCount = 0;\n }\n // if current playlist is a live playlist, arm a timer to reload it\n if (details.live) {\n const reloadInterval = computeReloadInterval(curLevel.details, details, data.stats.trequest);\n logger.log(`live playlist, reload in ${Math.round(reloadInterval)} ms`);\n this.timer = setTimeout(() => this.loadLevel(), reloadInterval);\n } else {\n this.clearTimer();\n }\n }\n\n onAudioTrackSwitched (data) {\n const audioGroupId = this.hls.audioTracks[data.id].groupId;\n\n const currentLevel = this.hls.levels[this.currentLevelIndex];\n if (!currentLevel) {\n return;\n }\n\n if (currentLevel.audioGroupIds) {\n let urlId = -1;\n\n for (let i = 0; i < currentLevel.audioGroupIds.length; i++) {\n if (currentLevel.audioGroupIds[i] === audioGroupId) {\n urlId = i;\n break;\n }\n }\n\n if (urlId !== currentLevel.urlId) {\n currentLevel.urlId = urlId;\n this.startLoad();\n }\n }\n }\n\n loadLevel () {\n logger.debug('call to loadLevel');\n\n if (this.currentLevelIndex !== null && this.canload) {\n const levelObject = this._levels[this.currentLevelIndex];\n\n if (typeof levelObject === 'object' &&\n levelObject.url.length > 0) {\n const level = this.currentLevelIndex;\n const id = levelObject.urlId;\n const url = levelObject.url[id];\n\n logger.log(`Attempt loading level index ${level} with URL-id ${id}`);\n\n // console.log('Current audio track group ID:', this.hls.audioTracks[this.hls.audioTrack].groupId);\n // console.log('New video quality level audio group id:', levelObject.attrs.AUDIO, level);\n\n this.hls.trigger(Event.LEVEL_LOADING, { url, level, id });\n }\n }\n }\n\n get nextLoadLevel () {\n if (this.manualLevelIndex !== -1) {\n return this.manualLevelIndex;\n } else {\n return this.hls.nextAutoLevel;\n }\n }\n\n set nextLoadLevel (nextLevel) {\n this.level = nextLevel;\n if (this.manualLevelIndex === -1) {\n this.hls.nextAutoLevel = nextLevel;\n }\n }\n}\n","\nexport function sendAddTrackEvent (track: TextTrack, videoEl: HTMLMediaElement) {\n let event: Event;\n try {\n event = new Event('addtrack');\n } catch (err) {\n // for IE11\n event = document.createEvent('Event');\n event.initEvent('addtrack', false, false);\n }\n (event as any).track = track;\n videoEl.dispatchEvent(event);\n}\n\nexport function clearCurrentCues (track: TextTrack) {\n if (track && track.cues) {\n while (track.cues.length > 0) {\n track.removeCue(track.cues[0]);\n }\n }\n}\n\n/**\n\n * Given a list of Cues, finds the closest cue matching the given time.\n * Modified verison of binary search O(log(n)).\n *\n * @export\n * @param {(TextTrackCueList | TextTrackCue[])} cues - List of cues.\n * @param {number} time - Target time, to find closest cue to.\n * @returns {TextTrackCue}\n */\nexport function getClosestCue (cues: TextTrackCueList | TextTrackCue[], time: number): TextTrackCue {\n // If the offset is less than the first element, the first element is the closest.\n if (time < cues[0].endTime) {\n return cues[0];\n }\n // If the offset is greater than the last cue, the last is the closest.\n if (time > cues[cues.length - 1].endTime) {\n return cues[cues.length - 1];\n }\n\n let left = 0;\n let right = cues.length - 1;\n\n while (left <= right) {\n const mid = Math.floor((right + left) / 2);\n\n if (time < cues[mid].endTime) {\n right = mid - 1;\n } else if (time > cues[mid].endTime) {\n left = mid + 1;\n } else {\n // If it's not lower or higher, it must be equal.\n return cues[mid];\n }\n }\n // At this point, left and right have swapped.\n // No direct match was found, left or right element must be the closest. Check which one has the smallest diff.\n return (cues[left].endTime - time) < (time - cues[right].endTime) ? cues[left] : cues[right];\n}\n","/*\n * id3 metadata track controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport ID3 from '../demux/id3';\nimport { logger } from '../utils/logger';\nimport { sendAddTrackEvent, clearCurrentCues, getClosestCue } from '../utils/texttrack-utils';\n\nclass ID3TrackController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.FRAG_PARSING_METADATA,\n Event.LIVE_BACK_BUFFER_REACHED\n );\n\n this.id3Track = undefined;\n this.media = undefined;\n }\n\n destroy () {\n EventHandler.prototype.destroy.call(this);\n }\n\n // Add ID3 metatadata text track.\n onMediaAttached (data) {\n this.media = data.media;\n if (!this.media) {\n\n }\n }\n\n onMediaDetaching () {\n clearCurrentCues(this.id3Track);\n this.id3Track = undefined;\n this.media = undefined;\n }\n\n getID3Track (textTracks) {\n for (let i = 0; i < textTracks.length; i++) {\n let textTrack = textTracks[i];\n if (textTrack.kind === 'metadata' && textTrack.label === 'id3') {\n // send 'addtrack' when reusing the textTrack for metadata,\n // same as what we do for captions\n sendAddTrackEvent(textTrack, this.media);\n\n return textTrack;\n }\n }\n return this.media.addTextTrack('metadata', 'id3');\n }\n\n onLiveBackBufferReached ({ bufferEnd }) {\n if (!this.id3Track || !this.id3Track.cues || !this.id3Track.cues.length) {\n return;\n }\n const foundCue = getClosestCue(this.id3Track.cues, bufferEnd);\n if (!foundCue) {\n return;\n }\n\n let removeCues = true;\n while (removeCues) {\n const cue = this.id3Track.cues[0];\n if (!this.id3Track.cues.length || cue.id === foundCue.id) {\n removeCues = false;\n return;\n }\n this.id3Track.removeCue(cue);\n }\n }\n\n onFragParsingMetadata (data) {\n const fragment = data.frag;\n const samples = data.samples;\n\n // create track dynamically\n if (!this.id3Track) {\n this.id3Track = this.getID3Track(this.media.textTracks);\n this.id3Track.mode = 'hidden';\n }\n\n // Attempt to recreate Safari functionality by creating\n // WebKitDataCue objects when available and store the decoded\n // ID3 data in the value property of the cue\n let Cue = window.WebKitDataCue || window.VTTCue || window.TextTrackCue;\n\n for (let i = 0; i < samples.length; i++) {\n const frames = ID3.getID3Frames(samples[i].data);\n if (frames) {\n const startTime = samples[i].pts;\n let endTime = i < samples.length - 1 ? samples[i + 1].pts : fragment.endPTS;\n\n if (startTime === endTime) {\n // Give a slight bump to the endTime if it's equal to startTime to avoid a SyntaxError in IE\n endTime += 0.0001;\n } else if (startTime > endTime) {\n logger.warn('detected an id3 sample with endTime < startTime, adjusting endTime to (startTime + 0.25)');\n endTime = startTime + 0.25;\n }\n\n for (let j = 0; j < frames.length; j++) {\n const frame = frames[j];\n // Safari doesn't put the timestamp frame in the TextTrack\n if (!ID3.isTimeStampFrame(frame)) {\n const cue = new Cue(startTime, endTime, '');\n cue.value = frame;\n this.id3Track.addCue(cue);\n }\n }\n }\n }\n }\n\n onLiveBackBufferReached ({ bufferEnd }) {\n const { id3Track } = this;\n if (!id3Track || !id3Track.cues || !id3Track.cues.length) {\n return;\n }\n const foundCue = getClosestCue(id3Track.cues, bufferEnd);\n if (!foundCue) {\n return;\n }\n while (id3Track.cues[0] !== foundCue) {\n id3Track.removeCue(id3Track.cues[0]);\n }\n }\n}\n\nexport default ID3TrackController;\n","import { getMediaSource } from './utils/mediasource-helper';\n\nexport function isSupported (): boolean {\n const mediaSource = getMediaSource();\n if (!mediaSource) {\n return false;\n }\n const sourceBuffer = self.SourceBuffer || (self as any).WebKitSourceBuffer as SourceBuffer;\n const isTypeSupported = mediaSource &&\n typeof mediaSource.isTypeSupported === 'function' &&\n mediaSource.isTypeSupported('video/mp4; codecs=\"avc1.42E01E,mp4a.40.2\"');\n\n // if SourceBuffer is exposed ensure its API is valid\n // safari and old version of Chrome doe not expose SourceBuffer globally so checking SourceBuffer.prototype is impossible\n const sourceBufferValidAPI = !sourceBuffer ||\n (sourceBuffer.prototype &&\n typeof sourceBuffer.prototype.appendBuffer === 'function' &&\n typeof sourceBuffer.prototype.remove === 'function');\n return !!isTypeSupported && !!sourceBufferValidAPI;\n}\n","/*\n * compute an Exponential Weighted moving average\n * - https://en.wikipedia.org/wiki/Moving_average#Exponential_moving_average\n * - heavily inspired from shaka-player\n */\n\nclass EWMA {\n private alpha_: number;\n private estimate_: number;\n private totalWeight_: number;\n\n // About half of the estimated value will be from the last |halfLife| samples by weight.\n constructor (halfLife: number) {\n // Larger values of alpha expire historical data more slowly.\n this.alpha_ = halfLife ? Math.exp(Math.log(0.5) / halfLife) : 0;\n this.estimate_ = 0;\n this.totalWeight_ = 0;\n }\n\n sample (weight: number, value: number) {\n let adjAlpha = Math.pow(this.alpha_, weight);\n this.estimate_ = value * (1 - adjAlpha) + adjAlpha * this.estimate_;\n this.totalWeight_ += weight;\n }\n\n getTotalWeight (): number {\n return this.totalWeight_;\n }\n\n getEstimate (): number {\n if (this.alpha_) {\n let zeroFactor = 1 - Math.pow(this.alpha_, this.totalWeight_);\n return this.estimate_ / zeroFactor;\n } else {\n return this.estimate_;\n }\n }\n}\n\nexport default EWMA;\n","/*\n * EWMA Bandwidth Estimator\n * - heavily inspired from shaka-player\n * Tracks bandwidth samples and estimates available bandwidth.\n * Based on the minimum of two exponentially-weighted moving averages with\n * different half-lives.\n */\n\nimport EWMA from '../utils/ewma';\n\nclass EwmaBandWidthEstimator {\n hls: any;\n\n private defaultEstimate_: number;\n private minWeight_: number;\n private minDelayMs_: number;\n private slow_: EWMA;\n private fast_: EWMA;\n\n // TODO(typescript-hls)\n constructor (hls: any, slow: number, fast: number, defaultEstimate: number) {\n this.hls = hls;\n this.defaultEstimate_ = defaultEstimate;\n this.minWeight_ = 0.001;\n this.minDelayMs_ = 50;\n this.slow_ = new EWMA(slow);\n this.fast_ = new EWMA(fast);\n }\n\n sample (durationMs: number, numBytes: number) {\n durationMs = Math.max(durationMs, this.minDelayMs_);\n let numBits = 8 * numBytes,\n // weight is duration in seconds\n durationS = durationMs / 1000,\n // value is bandwidth in bits/s\n bandwidthInBps = numBits / durationS;\n this.fast_.sample(durationS, bandwidthInBps);\n this.slow_.sample(durationS, bandwidthInBps);\n }\n\n canEstimate (): boolean {\n let fast = this.fast_;\n return (fast && fast.getTotalWeight() >= this.minWeight_);\n }\n\n getEstimate (): number {\n if (this.canEstimate()) {\n // console.log('slow estimate:'+ Math.round(this.slow_.getEstimate()));\n // console.log('fast estimate:'+ Math.round(this.fast_.getEstimate()));\n // Take the minimum of these two estimates. This should have the effect of\n // adapting down quickly, but up more slowly.\n return Math.min(this.fast_.getEstimate(), this.slow_.getEstimate());\n } else {\n return this.defaultEstimate_;\n }\n }\n\n destroy () {\n }\n}\nexport default EwmaBandWidthEstimator;\n","/*\n * simple ABR Controller\n * - compute next level based on last fragment bw heuristics\n * - implement an abandon rules triggered if we have less than 2 frag buffered and if computed bw shows that we risk buffer stalling\n */\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport { ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport EwmaBandWidthEstimator from '../utils/ewma-bandwidth-estimator';\n\nconst { performance } = window;\n\nclass AbrController extends EventHandler {\n constructor (hls) {\n super(hls, Event.FRAG_LOADING,\n Event.FRAG_LOADED,\n Event.FRAG_BUFFERED,\n Event.ERROR);\n this.lastLoadedFragLevel = 0;\n this._nextAutoLevel = -1;\n this.hls = hls;\n this.timer = null;\n this._bwEstimator = null;\n this.onCheck = this._abandonRulesCheck.bind(this);\n }\n\n destroy () {\n this.clearTimer();\n EventHandler.prototype.destroy.call(this);\n }\n\n onFragLoading (data) {\n const frag = data.frag;\n if (frag.type === 'main') {\n if (!this.timer) {\n this.fragCurrent = frag;\n this.timer = setInterval(this.onCheck, 100);\n }\n\n // lazy init of BwEstimator, rationale is that we use different params for Live/VoD\n // so we need to wait for stream manifest / playlist type to instantiate it.\n if (!this._bwEstimator) {\n const hls = this.hls;\n const config = hls.config;\n const level = frag.level;\n const isLive = hls.levels[level].details.live;\n\n let ewmaFast;\n let ewmaSlow;\n if (isLive) {\n ewmaFast = config.abrEwmaFastLive;\n ewmaSlow = config.abrEwmaSlowLive;\n } else {\n ewmaFast = config.abrEwmaFastVoD;\n ewmaSlow = config.abrEwmaSlowVoD;\n }\n this._bwEstimator = new EwmaBandWidthEstimator(hls, ewmaSlow, ewmaFast, config.abrEwmaDefaultEstimate);\n }\n }\n }\n\n _abandonRulesCheck () {\n /*\n monitor fragment retrieval time...\n we compute expected time of arrival of the complete fragment.\n we compare it to expected time of buffer starvation\n */\n const hls = this.hls;\n const video = hls.media;\n const frag = this.fragCurrent;\n\n if (!frag) {\n return;\n }\n\n const loader = frag.loader;\n const minAutoLevel = hls.minAutoLevel;\n\n // if loader has been destroyed or loading has been aborted, stop timer and return\n if (!loader || (loader.stats && loader.stats.aborted)) {\n logger.warn('frag loader destroy or aborted, disarm abandonRules');\n this.clearTimer();\n // reset forced auto level value so that next level will be selected\n this._nextAutoLevel = -1;\n return;\n }\n let stats = loader.stats;\n /* only monitor frag retrieval time if\n (video not paused OR first fragment being loaded(ready state === HAVE_NOTHING = 0)) AND autoswitching enabled AND not lowest level (=> means that we have several levels) */\n if (video && stats && ((!video.paused && (video.playbackRate !== 0)) || !video.readyState) && frag.autoLevel && frag.level) {\n const requestDelay = performance.now() - stats.trequest;\n const playbackRate = Math.abs(video.playbackRate);\n\n // monitor fragment load progress after half of expected fragment duration,to stabilize bitrate\n if (requestDelay > (500 * frag.duration / playbackRate)) {\n const levels = hls.levels;\n const loadRate = Math.max(1, stats.bw ? stats.bw / 8 : stats.loaded * 1000 / requestDelay); // byte/s; at least 1 byte/s to avoid division by zero\n\n // compute expected fragment length using frag duration and level bitrate. also ensure that expected len is gte than already loaded size\n const level = levels[frag.level];\n const levelBitrate = level.realBitrate ? Math.max(level.realBitrate, level.bitrate) : level.bitrate;\n const expectedLen = stats.total ? stats.total : Math.max(stats.loaded, Math.round(frag.duration * levelBitrate / 8));\n const pos = video.currentTime;\n const fragLoadedDelay = (expectedLen - stats.loaded) / loadRate;\n const bufferStarvationDelay = (BufferHelper.bufferInfo(video, pos, hls.config.maxBufferHole).end - pos) / playbackRate;\n\n // consider emergency switch down only if we have less than 2 frag buffered AND\n // time to finish loading current fragment is bigger than buffer starvation delay\n // ie if we risk buffer starvation if bw does not increase quickly\n if ((bufferStarvationDelay < (2 * frag.duration / playbackRate)) && (fragLoadedDelay > bufferStarvationDelay)) {\n let fragLevelNextLoadedDelay;\n let nextLoadLevel;\n // lets iterate through lower level and try to find the biggest one that could avoid rebuffering\n // we start from current level - 1 and we step down , until we find a matching level\n for (nextLoadLevel = frag.level - 1; nextLoadLevel > minAutoLevel; nextLoadLevel--) {\n // compute time to load next fragment at lower level\n // 0.8 : consider only 80% of current bw to be conservative\n // 8 = bits per byte (bps/Bps)\n const levelNextBitrate = levels[nextLoadLevel].realBitrate\n ? Math.max(levels[nextLoadLevel].realBitrate, levels[nextLoadLevel].bitrate)\n : levels[nextLoadLevel].bitrate;\n\n const fragLevelNextLoadedDelay = frag.duration * levelNextBitrate / (8 * 0.8 * loadRate);\n\n if (fragLevelNextLoadedDelay < bufferStarvationDelay) {\n // we found a lower level that be rebuffering free with current estimated bw !\n break;\n }\n }\n // only emergency switch down if it takes less time to load new fragment at lowest level instead\n // of finishing loading current one ...\n if (fragLevelNextLoadedDelay < fragLoadedDelay) {\n logger.warn(`loading too slow, abort fragment loading and switch to level ${nextLoadLevel}:fragLoadedDelay[${nextLoadLevel}]<fragLoadedDelay[${frag.level - 1}];bufferStarvationDelay:${fragLevelNextLoadedDelay.toFixed(1)}<${fragLoadedDelay.toFixed(1)}:${bufferStarvationDelay.toFixed(1)}`);\n // force next load level in auto mode\n hls.nextLoadLevel = nextLoadLevel;\n // update bw estimate for this fragment before cancelling load (this will help reducing the bw)\n this._bwEstimator.sample(requestDelay, stats.loaded);\n // abort fragment loading\n loader.abort();\n // stop abandon rules timer\n this.clearTimer();\n hls.trigger(Event.FRAG_LOAD_EMERGENCY_ABORTED, { frag: frag, stats: stats });\n }\n }\n }\n }\n }\n\n onFragLoaded (data) {\n const frag = data.frag;\n if (frag.type === 'main' && Number.isFinite(frag.sn)) {\n // stop monitoring bw once frag loaded\n this.clearTimer();\n // store level id after successful fragment load\n this.lastLoadedFragLevel = frag.level;\n // reset forced auto level value so that next level will be selected\n this._nextAutoLevel = -1;\n\n // compute level average bitrate\n if (this.hls.config.abrMaxWithRealBitrate) {\n const level = this.hls.levels[frag.level];\n let loadedBytes = (level.loaded ? level.loaded.bytes : 0) + data.stats.loaded;\n let loadedDuration = (level.loaded ? level.loaded.duration : 0) + data.frag.duration;\n level.loaded = { bytes: loadedBytes, duration: loadedDuration };\n level.realBitrate = Math.round(8 * loadedBytes / loadedDuration);\n }\n // if fragment has been loaded to perform a bitrate test,\n if (data.frag.bitrateTest) {\n let stats = data.stats;\n stats.tparsed = stats.tbuffered = stats.tload;\n this.onFragBuffered(data);\n }\n }\n }\n\n onFragBuffered (data) {\n const stats = data.stats;\n const frag = data.frag;\n // only update stats on first frag buffering\n // if same frag is loaded multiple times, it might be in browser cache, and loaded quickly\n // and leading to wrong bw estimation\n // on bitrate test, also only update stats once (if tload = tbuffered == on FRAG_LOADED)\n if (stats.aborted !== true && frag.type === 'main' && Number.isFinite(frag.sn) && ((!frag.bitrateTest || stats.tload === stats.tbuffered))) {\n // use tparsed-trequest instead of tbuffered-trequest to compute fragLoadingProcessing; rationale is that buffer appending only happens once media is attached\n // in case we use config.startFragPrefetch while media is not attached yet, fragment might be parsed while media not attached yet, but it will only be buffered on media attached\n // as a consequence it could happen really late in the process. meaning that appending duration might appears huge ... leading to underestimated throughput estimation\n let fragLoadingProcessingMs = stats.tparsed - stats.trequest;\n logger.log(`latency/loading/parsing/append/kbps:${Math.round(stats.tfirst - stats.trequest)}/${Math.round(stats.tload - stats.tfirst)}/${Math.round(stats.tparsed - stats.tload)}/${Math.round(stats.tbuffered - stats.tparsed)}/${Math.round(8 * stats.loaded / (stats.tbuffered - stats.trequest))}`);\n this._bwEstimator.sample(fragLoadingProcessingMs, stats.loaded);\n stats.bwEstimate = this._bwEstimator.getEstimate();\n // if fragment has been loaded to perform a bitrate test, (hls.startLevel = -1), store bitrate test delay duration\n if (frag.bitrateTest) {\n this.bitrateTestDelay = fragLoadingProcessingMs / 1000;\n } else {\n this.bitrateTestDelay = 0;\n }\n }\n }\n\n onError (data) {\n // stop timer in case of frag loading error\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n this.clearTimer();\n break;\n default:\n break;\n }\n }\n\n clearTimer () {\n clearInterval(this.timer);\n this.timer = null;\n }\n\n // return next auto level\n get nextAutoLevel () {\n const forcedAutoLevel = this._nextAutoLevel;\n const bwEstimator = this._bwEstimator;\n // in case next auto level has been forced, and bw not available or not reliable, return forced value\n if (forcedAutoLevel !== -1 && (!bwEstimator || !bwEstimator.canEstimate())) {\n return forcedAutoLevel;\n }\n\n // compute next level using ABR logic\n let nextABRAutoLevel = this._nextABRAutoLevel;\n // if forced auto level has been defined, use it to cap ABR computed quality level\n if (forcedAutoLevel !== -1) {\n nextABRAutoLevel = Math.min(forcedAutoLevel, nextABRAutoLevel);\n }\n\n return nextABRAutoLevel;\n }\n get _nextABRAutoLevel () {\n let hls = this.hls;\n const { maxAutoLevel, levels, config, minAutoLevel } = hls;\n const video = hls.media;\n const currentLevel = this.lastLoadedFragLevel;\n const currentFragDuration = this.fragCurrent ? this.fragCurrent.duration : 0;\n const pos = (video ? video.currentTime : 0);\n\n // playbackRate is the absolute value of the playback rate; if video.playbackRate is 0, we use 1 to load as\n // if we're playing back at the normal rate.\n const playbackRate = ((video && (video.playbackRate !== 0)) ? Math.abs(video.playbackRate) : 1.0);\n const avgbw = this._bwEstimator ? this._bwEstimator.getEstimate() : config.abrEwmaDefaultEstimate;\n // bufferStarvationDelay is the wall-clock time left until the playback buffer is exhausted.\n const bufferStarvationDelay = (BufferHelper.bufferInfo(video, pos, config.maxBufferHole).end - pos) / playbackRate;\n\n // First, look to see if we can find a level matching with our avg bandwidth AND that could also guarantee no rebuffering at all\n let bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay, config.abrBandWidthFactor, config.abrBandWidthUpFactor, levels);\n if (bestLevel >= 0) {\n return bestLevel;\n } else {\n logger.trace('rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering');\n // not possible to get rid of rebuffering ... let's try to find level that will guarantee less than maxStarvationDelay of rebuffering\n // if no matching level found, logic will return 0\n let maxStarvationDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxStarvationDelay) : config.maxStarvationDelay;\n let bwFactor = config.abrBandWidthFactor;\n let bwUpFactor = config.abrBandWidthUpFactor;\n\n if (bufferStarvationDelay === 0) {\n // in case buffer is empty, let's check if previous fragment was loaded to perform a bitrate test\n let bitrateTestDelay = this.bitrateTestDelay;\n if (bitrateTestDelay) {\n // if it is the case, then we need to adjust our max starvation delay using maxLoadingDelay config value\n // max video loading delay used in automatic start level selection :\n // in that mode ABR controller will ensure that video loading time (ie the time to fetch the first fragment at lowest quality level +\n // the time to fetch the fragment at the appropriate quality level is less than ```maxLoadingDelay``` )\n // cap maxLoadingDelay and ensure it is not bigger 'than bitrate test' frag duration\n const maxLoadingDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxLoadingDelay) : config.maxLoadingDelay;\n maxStarvationDelay = maxLoadingDelay - bitrateTestDelay;\n logger.trace(`bitrate test took ${Math.round(1000 * bitrateTestDelay)}ms, set first fragment max fetchDuration to ${Math.round(1000 * maxStarvationDelay)} ms`);\n // don't use conservative factor on bitrate test\n bwFactor = bwUpFactor = 1;\n }\n }\n bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay + maxStarvationDelay, bwFactor, bwUpFactor, levels);\n return Math.max(bestLevel, 0);\n }\n }\n\n _findBestLevel (currentLevel, currentFragDuration, currentBw, minAutoLevel, maxAutoLevel, maxFetchDuration, bwFactor, bwUpFactor, levels) {\n for (let i = maxAutoLevel; i >= minAutoLevel; i--) {\n let levelInfo = levels[i];\n\n if (!levelInfo) {\n continue;\n }\n\n const levelDetails = levelInfo.details;\n const avgDuration = levelDetails ? levelDetails.totalduration / levelDetails.fragments.length : currentFragDuration;\n const live = levelDetails ? levelDetails.live : false;\n\n let adjustedbw;\n // follow algorithm captured from stagefright :\n // https://android.googlesource.com/platform/frameworks/av/+/master/media/libstagefright/httplive/LiveSession.cpp\n // Pick the highest bandwidth stream below or equal to estimated bandwidth.\n // consider only 80% of the available bandwidth, but if we are switching up,\n // be even more conservative (70%) to avoid overestimating and immediately\n // switching back.\n if (i <= currentLevel) {\n adjustedbw = bwFactor * currentBw;\n } else {\n adjustedbw = bwUpFactor * currentBw;\n }\n\n const bitrate = levels[i].realBitrate ? Math.max(levels[i].realBitrate, levels[i].bitrate) : levels[i].bitrate;\n const fetchDuration = bitrate * avgDuration / adjustedbw;\n\n logger.trace(`level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: ${i}/${Math.round(adjustedbw)}/${bitrate}/${avgDuration}/${maxFetchDuration}/${fetchDuration}`);\n // if adjusted bw is greater than level bitrate AND\n if (adjustedbw > bitrate &&\n // fragment fetchDuration unknown OR live stream OR fragment fetchDuration less than max allowed fetch duration, then this level matches\n // we don't account for max Fetch Duration for live streams, this is to avoid switching down when near the edge of live sliding window ...\n // special case to support startLevel = -1 (bitrateTest) on live streams : in that case we should not exit loop so that _findBestLevel will return -1\n (!fetchDuration || (live && !this.bitrateTestDelay) || fetchDuration < maxFetchDuration)) {\n // as we are looping from highest to lowest, this will return the best achievable quality level\n return i;\n }\n }\n // not enough time budget even with quality level 0 ... rebuffering might happen\n return -1;\n }\n\n set nextAutoLevel (nextLevel) {\n this._nextAutoLevel = nextLevel;\n }\n}\n\nexport default AbrController;\n","/*\n * Buffer Controller\n */\n\nimport Events from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { getMediaSource } from '../utils/mediasource-helper';\n\nimport { TrackSet } from '../types/track';\nimport { Segment } from '../types/segment';\nimport { BufferControllerConfig } from '../config';\n\n// Add extension properties to SourceBuffers from the DOM API.\ntype ExtendedSourceBuffer = SourceBuffer & {\n ended?: boolean\n};\n\ntype SourceBufferName = 'video' | 'audio';\ntype SourceBuffers = Partial<Record<SourceBufferName, ExtendedSourceBuffer>>;\n\ninterface SourceBufferFlushRange {\n start: number;\n end: number;\n type: SourceBufferName\n}\n\nconst MediaSource = getMediaSource();\n\nclass BufferController extends EventHandler {\n // the value that we have set mediasource.duration to\n // (the actual duration may be tweaked slighly by the browser)\n private _msDuration: number | null = null;\n // the value that we want to set mediaSource.duration to\n private _levelDuration: number | null = null;\n // the target duration of the current media playlist\n private _levelTargetDuration: number = 10;\n // current stream state: true - for live broadcast, false - for VoD content\n private _live: boolean | null = null;\n // cache the self generated object url to detect hijack of video tag\n private _objectUrl: string | null = null;\n\n // signals that the sourceBuffers need to be flushed\n private _needsFlush: boolean = false;\n\n // signals that mediaSource should have endOfStream called\n private _needsEos: boolean = false;\n\n private config: BufferControllerConfig;\n\n // this is optional because this property is removed from the class sometimes\n public audioTimestampOffset?: number;\n\n // The number of BUFFER_CODEC events received before any sourceBuffers are created\n public bufferCodecEventsExpected: number = 0;\n\n // The total number of BUFFER_CODEC events received\n private _bufferCodecEventsTotal: number = 0;\n\n // A reference to the attached media element\n public media: HTMLMediaElement | null = null;\n\n // A reference to the active media source\n public mediaSource: MediaSource | null = null;\n\n // List of pending segments to be appended to source buffer\n public segments: Segment[] = [];\n\n public parent?: string;\n\n // A guard to see if we are currently appending to the source buffer\n public appending: boolean = false;\n\n // counters\n public appended: number = 0;\n public appendError: number = 0;\n public flushBufferCounter: number = 0;\n\n public tracks: TrackSet = {};\n public pendingTracks: TrackSet = {};\n public sourceBuffer: SourceBuffers = {};\n public flushRange: SourceBufferFlushRange[] = [];\n\n constructor (hls: any) {\n super(hls,\n Events.MEDIA_ATTACHING,\n Events.MEDIA_DETACHING,\n Events.MANIFEST_PARSED,\n Events.BUFFER_RESET,\n Events.BUFFER_APPENDING,\n Events.BUFFER_CODECS,\n Events.BUFFER_EOS,\n Events.BUFFER_FLUSHING,\n Events.LEVEL_PTS_UPDATED,\n Events.LEVEL_UPDATED);\n\n this.config = hls.config;\n }\n\n destroy () {\n EventHandler.prototype.destroy.call(this);\n }\n\n onLevelPtsUpdated (data: { type: SourceBufferName, start: number }) {\n let type = data.type;\n let audioTrack = this.tracks.audio;\n\n // Adjusting `SourceBuffer.timestampOffset` (desired point in the timeline where the next frames should be appended)\n // in Chrome browser when we detect MPEG audio container and time delta between level PTS and `SourceBuffer.timestampOffset`\n // is greater than 100ms (this is enough to handle seek for VOD or level change for LIVE videos). At the time of change we issue\n // `SourceBuffer.abort()` and adjusting `SourceBuffer.timestampOffset` if `SourceBuffer.updating` is false or awaiting `updateend`\n // event if SB is in updating state.\n // More info here: https://github.com/video-dev/hls.js/issues/332#issuecomment-257986486\n\n if (type === 'audio' && audioTrack && audioTrack.container === 'audio/mpeg') { // Chrome audio mp3 track\n let audioBuffer = this.sourceBuffer.audio;\n if (!audioBuffer) {\n throw Error('Level PTS Updated and source buffer for audio uninitalized');\n }\n\n let delta = Math.abs(audioBuffer.timestampOffset - data.start);\n\n // adjust timestamp offset if time delta is greater than 100ms\n if (delta > 0.1) {\n let updating = audioBuffer.updating;\n\n try {\n audioBuffer.abort();\n } catch (err) {\n logger.warn('can not abort audio buffer: ' + err);\n }\n\n if (!updating) {\n logger.warn('change mpeg audio timestamp offset from ' + audioBuffer.timestampOffset + ' to ' + data.start);\n audioBuffer.timestampOffset = data.start;\n } else {\n this.audioTimestampOffset = data.start;\n }\n }\n }\n }\n\n onManifestParsed (data: { altAudio: boolean }) {\n // in case of alt audio 2 BUFFER_CODECS events will be triggered, one per stream controller\n // sourcebuffers will be created all at once when the expected nb of tracks will be reached\n // in case alt audio is not used, only one BUFFER_CODEC event will be fired from main stream controller\n // it will contain the expected nb of source buffers, no need to compute it\n this.bufferCodecEventsExpected = this._bufferCodecEventsTotal = data.altAudio ? 2 : 1;\n logger.log(`${this.bufferCodecEventsExpected} bufferCodec event(s) expected`);\n }\n\n onMediaAttaching (data: { media: HTMLMediaElement }) {\n let media = this.media = data.media;\n if (media && MediaSource) {\n // setup the media source\n let ms = this.mediaSource = new MediaSource();\n // Media Source listeners\n ms.addEventListener('sourceopen', this._onMediaSourceOpen);\n ms.addEventListener('sourceended', this._onMediaSourceEnded);\n ms.addEventListener('sourceclose', this._onMediaSourceClose);\n // link video and media Source\n media.src = window.URL.createObjectURL(ms);\n // cache the locally generated object url\n this._objectUrl = media.src;\n }\n }\n\n onMediaDetaching () {\n logger.log('media source detaching');\n let ms = this.mediaSource;\n if (ms) {\n if (ms.readyState === 'open') {\n try {\n // endOfStream could trigger exception if any sourcebuffer is in updating state\n // we don't really care about checking sourcebuffer state here,\n // as we are anyway detaching the MediaSource\n // let's just avoid this exception to propagate\n ms.endOfStream();\n } catch (err) {\n logger.warn(`onMediaDetaching:${err.message} while calling endOfStream`);\n }\n }\n ms.removeEventListener('sourceopen', this._onMediaSourceOpen);\n ms.removeEventListener('sourceended', this._onMediaSourceEnded);\n ms.removeEventListener('sourceclose', this._onMediaSourceClose);\n\n // Detach properly the MediaSource from the HTMLMediaElement as\n // suggested in https://github.com/w3c/media-source/issues/53.\n if (this.media) {\n if (this._objectUrl) {\n window.URL.revokeObjectURL(this._objectUrl);\n }\n\n // clean up video tag src only if it's our own url. some external libraries might\n // hijack the video tag and change its 'src' without destroying the Hls instance first\n if (this.media.src === this._objectUrl) {\n this.media.removeAttribute('src');\n this.media.load();\n } else {\n logger.warn('media.src was changed by a third party - skip cleanup');\n }\n }\n\n this.mediaSource = null;\n this.media = null;\n this._objectUrl = null;\n this.bufferCodecEventsExpected = this._bufferCodecEventsTotal;\n this.pendingTracks = {};\n this.tracks = {};\n this.sourceBuffer = {};\n this.flushRange = [];\n this.segments = [];\n this.appended = 0;\n }\n\n this.hls.trigger(Events.MEDIA_DETACHED);\n }\n\n checkPendingTracks () {\n let { bufferCodecEventsExpected, pendingTracks } = this;\n\n // Check if we've received all of the expected bufferCodec events. When none remain, create all the sourceBuffers at once.\n // This is important because the MSE spec allows implementations to throw QuotaExceededErrors if creating new sourceBuffers after\n // data has been appended to existing ones.\n // 2 tracks is the max (one for audio, one for video). If we've reach this max go ahead and create the buffers.\n const pendingTracksCount = Object.keys(pendingTracks).length;\n if ((pendingTracksCount && !bufferCodecEventsExpected) || pendingTracksCount === 2) {\n // ok, let's create them now !\n this.createSourceBuffers(pendingTracks);\n this.pendingTracks = {};\n // append any pending segments now !\n this.doAppending();\n }\n }\n\n private _onMediaSourceOpen = () => {\n logger.log('media source opened');\n this.hls.trigger(Events.MEDIA_ATTACHED, { media: this.media });\n let mediaSource = this.mediaSource;\n if (mediaSource) {\n // once received, don't listen anymore to sourceopen event\n mediaSource.removeEventListener('sourceopen', this._onMediaSourceOpen);\n }\n this.checkPendingTracks();\n }\n\n private _onMediaSourceClose = () => {\n logger.log('media source closed');\n }\n\n private _onMediaSourceEnded = () => {\n logger.log('media source ended');\n }\n\n private _onSBUpdateEnd = () => {\n // update timestampOffset\n if (this.audioTimestampOffset && this.sourceBuffer.audio) {\n let audioBuffer = this.sourceBuffer.audio;\n\n logger.warn(`change mpeg audio timestamp offset from ${audioBuffer.timestampOffset} to ${this.audioTimestampOffset}`);\n audioBuffer.timestampOffset = this.audioTimestampOffset;\n delete this.audioTimestampOffset;\n }\n\n if (this._needsFlush) {\n this.doFlush();\n }\n\n if (this._needsEos) {\n this.checkEos();\n }\n\n this.appending = false;\n let parent = this.parent;\n // count nb of pending segments waiting for appending on this sourcebuffer\n let pending = this.segments.reduce((counter, segment) => (segment.parent === parent) ? counter + 1 : counter, 0);\n\n // this.sourceBuffer is better to use than media.buffered as it is closer to the PTS data from the fragments\n const timeRanges: Partial<Record<SourceBufferName, TimeRanges>> = {};\n const sbSet = this.sourceBuffer;\n for (let streamType in sbSet) {\n const sb = sbSet[streamType as SourceBufferName];\n if (!sb) {\n throw Error(`handling source buffer update end error: source buffer for ${streamType} uninitilized and unable to update buffered TimeRanges.`);\n }\n timeRanges[streamType as SourceBufferName] = sb.buffered;\n }\n\n this.hls.trigger(Events.BUFFER_APPENDED, { parent, pending, timeRanges });\n // don't append in flushing mode\n if (!this._needsFlush) {\n this.doAppending();\n }\n\n this.updateMediaElementDuration();\n\n // appending goes first\n if (pending === 0) {\n this.flushLiveBackBuffer();\n }\n }\n\n private _onSBUpdateError = (event: Event) => {\n logger.error('sourceBuffer error:', event);\n // according to http://www.w3.org/TR/media-source/#sourcebuffer-append-error\n // this error might not always be fatal (it is fatal if decode error is set, in that case\n // it will be followed by a mediaElement error ...)\n this.hls.trigger(Events.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_APPENDING_ERROR, fatal: false });\n // we don't need to do more than that, as accordin to the spec, updateend will be fired just after\n }\n\n onBufferReset () {\n const sourceBuffer = this.sourceBuffer;\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type];\n try {\n if (sb) {\n if (this.mediaSource) {\n this.mediaSource.removeSourceBuffer(sb);\n }\n sb.removeEventListener('updateend', this._onSBUpdateEnd);\n sb.removeEventListener('error', this._onSBUpdateError);\n }\n } catch (err) {\n }\n }\n this.sourceBuffer = {};\n this.flushRange = [];\n this.segments = [];\n this.appended = 0;\n }\n\n onBufferCodecs (tracks: TrackSet) {\n // if source buffer(s) not created yet, appended buffer tracks in this.pendingTracks\n // if sourcebuffers already created, do nothing ...\n if (Object.keys(this.sourceBuffer).length) {\n return;\n }\n\n Object.keys(tracks).forEach(trackName => {\n this.pendingTracks[trackName] = tracks[trackName];\n });\n\n this.bufferCodecEventsExpected = Math.max(this.bufferCodecEventsExpected - 1, 0);\n if (this.mediaSource && this.mediaSource.readyState === 'open') {\n this.checkPendingTracks();\n }\n }\n\n createSourceBuffers (tracks: TrackSet) {\n const { sourceBuffer, mediaSource } = this;\n if (!mediaSource) {\n throw Error('createSourceBuffers called when mediaSource was null');\n }\n\n for (let trackName in tracks) {\n if (!sourceBuffer[trackName]) {\n let track = tracks[trackName as keyof TrackSet];\n if (!track) {\n throw Error(`source buffer exists for track ${trackName}, however track does not`);\n }\n // use levelCodec as first priority\n let codec = track.levelCodec || track.codec;\n let mimeType = `${track.container};codecs=${codec}`;\n logger.log(`creating sourceBuffer(${mimeType})`);\n try {\n let sb = sourceBuffer[trackName] = mediaSource.addSourceBuffer(mimeType);\n sb.addEventListener('updateend', this._onSBUpdateEnd);\n sb.addEventListener('error', this._onSBUpdateError);\n this.tracks[trackName] = {\n buffer: sb,\n codec: codec,\n id: track.id,\n container: track.container,\n levelCodec: track.levelCodec\n };\n } catch (err) {\n logger.error(`error while trying to add sourceBuffer:${err.message}`);\n this.hls.trigger(Events.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_ADD_CODEC_ERROR, fatal: false, err: err, mimeType: mimeType });\n }\n }\n }\n this.hls.trigger(Events.BUFFER_CREATED, { tracks: this.tracks });\n }\n\n onBufferAppending (data: Segment) {\n if (!this._needsFlush) {\n if (!this.segments) {\n this.segments = [ data ];\n } else {\n this.segments.push(data);\n }\n\n this.doAppending();\n }\n }\n\n // on BUFFER_EOS mark matching sourcebuffer(s) as ended and trigger checkEos()\n // an undefined data.type will mark all buffers as EOS.\n onBufferEos (data: { type?: SourceBufferName }) {\n for (const type in this.sourceBuffer) {\n if (!data.type || data.type === type) {\n const sb = this.sourceBuffer[type as SourceBufferName];\n if (sb && !sb.ended) {\n sb.ended = true;\n logger.log(`${type} sourceBuffer now EOS`);\n }\n }\n }\n\n this.checkEos();\n }\n\n // if all source buffers are marked as ended, signal endOfStream() to MediaSource.\n checkEos () {\n const { sourceBuffer, mediaSource } = this;\n if (!mediaSource || mediaSource.readyState !== 'open') {\n this._needsEos = false;\n return;\n }\n\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type as SourceBufferName];\n if (!sb) continue;\n\n if (!sb.ended) {\n return;\n }\n\n if (sb.updating) {\n this._needsEos = true;\n return;\n }\n }\n\n logger.log('all media data are available, signal endOfStream() to MediaSource and stop loading fragment');\n // Notify the media element that it now has all of the media data\n try {\n mediaSource.endOfStream();\n } catch (e) {\n logger.warn('exception while calling mediaSource.endOfStream()');\n }\n this._needsEos = false;\n }\n\n onBufferFlushing (data: { startOffset: number, endOffset: number, type?: SourceBufferName }) {\n if (data.type) {\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: data.type });\n } else {\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: 'video' });\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: 'audio' });\n }\n\n // attempt flush immediately\n this.flushBufferCounter = 0;\n this.doFlush();\n }\n\n flushLiveBackBuffer () {\n // clear back buffer for live only\n if (!this._live) {\n return;\n }\n\n const liveBackBufferLength = this.config.liveBackBufferLength;\n if (!isFinite(liveBackBufferLength) || liveBackBufferLength < 0) {\n return;\n }\n\n if (!this.media) {\n logger.error('flushLiveBackBuffer called without attaching media');\n return;\n }\n\n const currentTime = this.media.currentTime;\n const sourceBuffer = this.sourceBuffer;\n const bufferTypes = Object.keys(sourceBuffer);\n const targetBackBufferPosition = currentTime - Math.max(liveBackBufferLength, this._levelTargetDuration);\n\n for (let index = bufferTypes.length - 1; index >= 0; index--) {\n const bufferType = bufferTypes[index];\n const sb = sourceBuffer[bufferType as SourceBufferName];\n if (sb) {\n const buffered = sb.buffered;\n // when target buffer start exceeds actual buffer start\n if (buffered.length > 0 && targetBackBufferPosition > buffered.start(0)) {\n // remove buffer up until current time minus minimum back buffer length (removing buffer too close to current\n // time will lead to playback freezing)\n // credits for level target duration - https://github.com/videojs/http-streaming/blob/3132933b6aa99ddefab29c10447624efd6fd6e52/src/segment-loader.js#L91\n if (this.removeBufferRange(bufferType, sb, 0, targetBackBufferPosition)) {\n this.hls.trigger(Events.LIVE_BACK_BUFFER_REACHED, { bufferEnd: targetBackBufferPosition });\n }\n\n }\n }\n }\n }\n\n onLevelUpdated ({ details }: { details: { totalduration: number, targetduration?: number, averagetargetduration?: number, live: boolean, fragments: any[] } }) {\n if (details.fragments.length > 0) {\n this._levelDuration = details.totalduration + details.fragments[0].start;\n this._levelTargetDuration = details.averagetargetduration || details.targetduration || 10;\n this._live = details.live;\n this.updateMediaElementDuration();\n }\n }\n\n /**\n * Update Media Source duration to current level duration or override to Infinity if configuration parameter\n * 'liveDurationInfinity` is set to `true`\n * More details: https://github.com/video-dev/hls.js/issues/355\n */\n updateMediaElementDuration () {\n let { config } = this;\n let duration: number;\n\n if (this._levelDuration === null ||\n !this.media ||\n !this.mediaSource ||\n !this.sourceBuffer ||\n this.media.readyState === 0 ||\n this.mediaSource.readyState !== 'open') {\n return;\n }\n\n for (let type in this.sourceBuffer) {\n const sb = this.sourceBuffer[type];\n if (sb && sb.updating === true) {\n // can't set duration whilst a buffer is updating\n return;\n }\n }\n\n duration = this.media.duration;\n // initialise to the value that the media source is reporting\n if (this._msDuration === null) {\n this._msDuration = this.mediaSource.duration;\n }\n\n if (this._live === true && config.liveDurationInfinity === true) {\n // Override duration to Infinity\n logger.log('Media Source duration is set to Infinity');\n this._msDuration = this.mediaSource.duration = Infinity;\n } else if ((this._levelDuration > this._msDuration && this._levelDuration > duration) || !Number.isFinite(duration)) {\n // levelDuration was the last value we set.\n // not using mediaSource.duration as the browser may tweak this value\n // only update Media Source duration if its value increase, this is to avoid\n // flushing already buffered portion when switching between quality level\n logger.log(`Updating Media Source duration to ${this._levelDuration.toFixed(3)}`);\n this._msDuration = this.mediaSource.duration = this._levelDuration;\n }\n }\n\n doFlush () {\n // loop through all buffer ranges to flush\n while (this.flushRange.length) {\n let range = this.flushRange[0];\n // flushBuffer will abort any buffer append in progress and flush Audio/Video Buffer\n if (this.flushBuffer(range.start, range.end, range.type)) {\n // range flushed, remove from flush array\n this.flushRange.shift();\n this.flushBufferCounter = 0;\n } else {\n this._needsFlush = true;\n // avoid looping, wait for SB update end to retrigger a flush\n return;\n }\n }\n if (this.flushRange.length === 0) {\n // everything flushed\n this._needsFlush = false;\n\n // let's recompute this.appended, which is used to avoid flush looping\n let appended = 0;\n let sourceBuffer = this.sourceBuffer;\n try {\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type];\n if (sb) {\n appended += sb.buffered.length;\n }\n }\n } catch (error) {\n // error could be thrown while accessing buffered, in case sourcebuffer has already been removed from MediaSource\n // this is harmess at this stage, catch this to avoid reporting an internal exception\n logger.error('error while accessing sourceBuffer.buffered');\n }\n this.appended = appended;\n this.hls.trigger(Events.BUFFER_FLUSHED);\n }\n }\n\n doAppending () {\n let { config, hls, segments, sourceBuffer } = this;\n if (!Object.keys(sourceBuffer).length) {\n // early exit if no source buffers have been initialized yet\n return;\n }\n\n if (!this.media || this.media.error) {\n this.segments = [];\n logger.error('trying to append although a media error occured, flush segment and abort');\n return;\n }\n\n if (this.appending) {\n // logger.log(`sb appending in progress`);\n return;\n }\n\n const segment = segments.shift();\n if (!segment) { // handle undefined shift\n return;\n }\n\n try {\n const sb = sourceBuffer[segment.type];\n if (!sb) {\n // in case we don't have any source buffer matching with this segment type,\n // it means that Mediasource fails to create sourcebuffer\n // discard this segment, and trigger update end\n this._onSBUpdateEnd();\n return;\n }\n\n if (sb.updating) {\n // if we are still updating the source buffer from the last segment, place this back at the front of the queue\n segments.unshift(segment);\n return;\n }\n\n // reset sourceBuffer ended flag before appending segment\n sb.ended = false;\n // logger.log(`appending ${segment.content} ${type} SB, size:${segment.data.length}, ${segment.parent}`);\n this.parent = segment.parent;\n sb.appendBuffer(segment.data);\n this.appendError = 0;\n this.appended++;\n this.appending = true;\n } catch (err) {\n // in case any error occured while appending, put back segment in segments table\n logger.error(`error while trying to append buffer:${err.message}`);\n segments.unshift(segment);\n let event = { type: ErrorTypes.MEDIA_ERROR, parent: segment.parent, details: '', fatal: false };\n if (err.code === 22) {\n // QuotaExceededError: http://www.w3.org/TR/html5/infrastructure.html#quotaexceedederror\n // let's stop appending any segments, and report BUFFER_FULL_ERROR error\n this.segments = [];\n event.details = ErrorDetails.BUFFER_FULL_ERROR;\n } else {\n this.appendError++;\n event.details = ErrorDetails.BUFFER_APPEND_ERROR;\n /* with UHD content, we could get loop of quota exceeded error until\n browser is able to evict some data from sourcebuffer. retrying help recovering this\n */\n if (this.appendError > config.appendErrorMaxRetry) {\n logger.log(`fail ${config.appendErrorMaxRetry} times to append segment in sourceBuffer`);\n this.segments = [];\n event.fatal = true;\n }\n }\n hls.trigger(Events.ERROR, event);\n }\n }\n\n /*\n flush specified buffered range,\n return true once range has been flushed.\n as sourceBuffer.remove() is asynchronous, flushBuffer will be retriggered on sourceBuffer update end\n */\n flushBuffer (startOffset: number, endOffset: number, sbType: SourceBufferName): boolean {\n const sourceBuffer = this.sourceBuffer;\n // exit if no sourceBuffers are initialized\n if (!Object.keys(sourceBuffer).length) {\n return true;\n }\n\n let currentTime: string = 'null';\n if (this.media) {\n currentTime = this.media.currentTime.toFixed(3);\n }\n logger.log(`flushBuffer,pos/start/end: ${currentTime}/${startOffset}/${endOffset}`);\n\n // safeguard to avoid infinite looping : don't try to flush more than the nb of appended segments\n if (this.flushBufferCounter >= this.appended) {\n logger.warn('abort flushing too many retries');\n return true;\n }\n\n const sb = sourceBuffer[sbType];\n // we are going to flush buffer, mark source buffer as 'not ended'\n if (sb) {\n sb.ended = false;\n if (!sb.updating) {\n if (this.removeBufferRange(sbType, sb, startOffset, endOffset)) {\n this.flushBufferCounter++;\n return false;\n }\n } else {\n logger.warn('cannot flush, sb updating in progress');\n return false;\n }\n }\n\n logger.log('buffer flushed');\n // everything flushed !\n return true;\n }\n\n /**\n * Removes first buffered range from provided source buffer that lies within given start and end offsets.\n *\n * @param {string} type Type of the source buffer, logging purposes only.\n * @param {SourceBuffer} sb Target SourceBuffer instance.\n * @param {number} startOffset\n * @param {number} endOffset\n *\n * @returns {boolean} True when source buffer remove requested.\n */\n removeBufferRange (type: string, sb: ExtendedSourceBuffer, startOffset: number, endOffset: number): boolean {\n try {\n for (let i = 0; i < sb.buffered.length; i++) {\n let bufStart = sb.buffered.start(i);\n let bufEnd = sb.buffered.end(i);\n let removeStart = Math.max(bufStart, startOffset);\n let removeEnd = Math.min(bufEnd, endOffset);\n\n /* sometimes sourcebuffer.remove() does not flush\n the exact expected time range.\n to avoid rounding issues/infinite loop,\n only flush buffer range of length greater than 500ms.\n */\n if (Math.min(removeEnd, bufEnd) - removeStart > 0.5) {\n let currentTime: string = 'null';\n if (this.media) {\n currentTime = this.media.currentTime.toString();\n }\n\n logger.log(`sb remove ${type} [${removeStart},${removeEnd}], of [${bufStart},${bufEnd}], pos:${currentTime}`);\n sb.remove(removeStart, removeEnd);\n return true;\n }\n }\n } catch (error) {\n logger.warn('removeBufferRange failed', error);\n }\n\n return false;\n }\n}\n\nexport default BufferController;\n","/*\n * cap stream level to media size dimension controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\n\nclass CapLevelController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.FPS_DROP_LEVEL_CAPPING,\n Event.MEDIA_ATTACHING,\n Event.MANIFEST_PARSED,\n Event.BUFFER_CODECS,\n Event.MEDIA_DETACHING);\n\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n this.firstLevel = null;\n this.levels = [];\n this.media = null;\n this.restrictedLevels = [];\n this.timer = null;\n }\n\n destroy () {\n if (this.hls.config.capLevelToPlayerSize) {\n this.media = null;\n this.stopCapping();\n }\n }\n\n onFpsDropLevelCapping (data) {\n // Don't add a restricted level more than once\n if (CapLevelController.isLevelAllowed(data.droppedLevel, this.restrictedLevels)) {\n this.restrictedLevels.push(data.droppedLevel);\n }\n }\n\n onMediaAttaching (data) {\n this.media = data.media instanceof window.HTMLVideoElement ? data.media : null;\n }\n\n onManifestParsed (data) {\n const hls = this.hls;\n this.restrictedLevels = [];\n this.levels = data.levels;\n this.firstLevel = data.firstLevel;\n if (hls.config.capLevelToPlayerSize && data.video) {\n // Start capping immediately if the manifest has signaled video codecs\n this.startCapping();\n }\n }\n\n // Only activate capping when playing a video stream; otherwise, multi-bitrate audio-only streams will be restricted\n // to the first level\n onBufferCodecs (data) {\n const hls = this.hls;\n if (hls.config.capLevelToPlayerSize && data.video) {\n // If the manifest did not signal a video codec capping has been deferred until we're certain video is present\n this.startCapping();\n }\n }\n\n onLevelsUpdated (data) {\n this.levels = data.levels;\n }\n\n onMediaDetaching () {\n this.stopCapping();\n }\n\n detectPlayerSize () {\n if (this.media) {\n let levelsLength = this.levels ? this.levels.length : 0;\n if (levelsLength) {\n const hls = this.hls;\n hls.autoLevelCapping = this.getMaxLevel(levelsLength - 1);\n if (hls.autoLevelCapping > this.autoLevelCapping) {\n // if auto level capping has a higher value for the previous one, flush the buffer using nextLevelSwitch\n // usually happen when the user go to the fullscreen mode.\n hls.streamController.nextLevelSwitch();\n }\n this.autoLevelCapping = hls.autoLevelCapping;\n }\n }\n }\n\n /*\n * returns level should be the one with the dimensions equal or greater than the media (player) dimensions (so the video will be downscaled)\n */\n getMaxLevel (capLevelIndex) {\n if (!this.levels) {\n return -1;\n }\n\n const validLevels = this.levels.filter((level, index) =>\n CapLevelController.isLevelAllowed(index, this.restrictedLevels) && index <= capLevelIndex\n );\n\n return CapLevelController.getMaxLevelByMediaSize(validLevels, this.mediaWidth, this.mediaHeight);\n }\n\n startCapping () {\n if (this.timer) {\n // Don't reset capping if started twice; this can happen if the manifest signals a video codec\n return;\n }\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n this.hls.firstLevel = this.getMaxLevel(this.firstLevel);\n clearInterval(this.timer);\n this.timer = setInterval(this.detectPlayerSize.bind(this), 1000);\n this.detectPlayerSize();\n }\n\n stopCapping () {\n this.restrictedLevels = [];\n this.firstLevel = null;\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n if (this.timer) {\n this.timer = clearInterval(this.timer);\n this.timer = null;\n }\n }\n\n get mediaWidth () {\n let width;\n const media = this.media;\n if (media) {\n width = media.width || media.clientWidth || media.offsetWidth;\n width *= CapLevelController.contentScaleFactor;\n }\n return width;\n }\n\n get mediaHeight () {\n let height;\n const media = this.media;\n if (media) {\n height = media.height || media.clientHeight || media.offsetHeight;\n height *= CapLevelController.contentScaleFactor;\n }\n return height;\n }\n\n static get contentScaleFactor () {\n let pixelRatio = 1;\n try {\n pixelRatio = window.devicePixelRatio;\n } catch (e) {}\n return pixelRatio;\n }\n\n static isLevelAllowed (level, restrictedLevels = []) {\n return restrictedLevels.indexOf(level) === -1;\n }\n\n static getMaxLevelByMediaSize (levels, width, height) {\n if (!levels || (levels && !levels.length)) {\n return -1;\n }\n\n // Levels can have the same dimensions but differing bandwidths - since levels are ordered, we can look to the next\n // to determine whether we've chosen the greatest bandwidth for the media's dimensions\n const atGreatestBandiwdth = (curLevel, nextLevel) => {\n if (!nextLevel) {\n return true;\n }\n\n return curLevel.width !== nextLevel.width || curLevel.height !== nextLevel.height;\n };\n\n // If we run through the loop without breaking, the media's dimensions are greater than every level, so default to\n // the max level\n let maxLevelIndex = levels.length - 1;\n\n for (let i = 0; i < levels.length; i += 1) {\n const level = levels[i];\n if ((level.width >= width || level.height >= height) && atGreatestBandiwdth(level, levels[i + 1])) {\n maxLevelIndex = i;\n break;\n }\n }\n\n return maxLevelIndex;\n }\n}\n\nexport default CapLevelController;\n","/*\n * FPS Controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\n\nconst { performance } = window;\n\nclass FPSController extends EventHandler {\n constructor (hls) {\n super(hls, Event.MEDIA_ATTACHING);\n }\n\n destroy () {\n if (this.timer) {\n clearInterval(this.timer);\n }\n\n this.isVideoPlaybackQualityAvailable = false;\n }\n\n onMediaAttaching (data) {\n const config = this.hls.config;\n if (config.capLevelOnFPSDrop) {\n const video = this.video = data.media instanceof window.HTMLVideoElement ? data.media : null;\n if (typeof video.getVideoPlaybackQuality === 'function') {\n this.isVideoPlaybackQualityAvailable = true;\n }\n\n clearInterval(this.timer);\n this.timer = setInterval(this.checkFPSInterval.bind(this), config.fpsDroppedMonitoringPeriod);\n }\n }\n\n checkFPS (video, decodedFrames, droppedFrames) {\n let currentTime = performance.now();\n if (decodedFrames) {\n if (this.lastTime) {\n let currentPeriod = currentTime - this.lastTime,\n currentDropped = droppedFrames - this.lastDroppedFrames,\n currentDecoded = decodedFrames - this.lastDecodedFrames,\n droppedFPS = 1000 * currentDropped / currentPeriod,\n hls = this.hls;\n hls.trigger(Event.FPS_DROP, { currentDropped: currentDropped, currentDecoded: currentDecoded, totalDroppedFrames: droppedFrames });\n if (droppedFPS > 0) {\n // logger.log('checkFPS : droppedFPS/decodedFPS:' + droppedFPS/(1000 * currentDecoded / currentPeriod));\n if (currentDropped > hls.config.fpsDroppedMonitoringThreshold * currentDecoded) {\n let currentLevel = hls.currentLevel;\n logger.warn('drop FPS ratio greater than max allowed value for currentLevel: ' + currentLevel);\n if (currentLevel > 0 && (hls.autoLevelCapping === -1 || hls.autoLevelCapping >= currentLevel)) {\n currentLevel = currentLevel - 1;\n hls.trigger(Event.FPS_DROP_LEVEL_CAPPING, { level: currentLevel, droppedLevel: hls.currentLevel });\n hls.autoLevelCapping = currentLevel;\n hls.streamController.nextLevelSwitch();\n }\n }\n }\n }\n this.lastTime = currentTime;\n this.lastDroppedFrames = droppedFrames;\n this.lastDecodedFrames = decodedFrames;\n }\n }\n\n checkFPSInterval () {\n const video = this.video;\n if (video) {\n if (this.isVideoPlaybackQualityAvailable) {\n let videoPlaybackQuality = video.getVideoPlaybackQuality();\n this.checkFPS(video, videoPlaybackQuality.totalVideoFrames, videoPlaybackQuality.droppedVideoFrames);\n } else {\n this.checkFPS(video, video.webkitDecodedFrameCount, video.webkitDroppedFrameCount);\n }\n }\n }\n}\n\nexport default FPSController;\n","/**\n * XHR based logger\n*/\n\nimport { logger } from '../utils/logger';\n\nconst { performance, XMLHttpRequest } = window;\n\nclass XhrLoader {\n constructor (config) {\n if (config && config.xhrSetup) {\n this.xhrSetup = config.xhrSetup;\n }\n }\n\n destroy () {\n this.abort();\n this.loader = null;\n }\n\n abort () {\n let loader = this.loader;\n if (loader && loader.readyState !== 4) {\n this.stats.aborted = true;\n loader.abort();\n }\n\n window.clearTimeout(this.requestTimeout);\n this.requestTimeout = null;\n window.clearTimeout(this.retryTimeout);\n this.retryTimeout = null;\n }\n\n load (context, config, callbacks) {\n this.context = context;\n this.config = config;\n this.callbacks = callbacks;\n this.stats = { trequest: performance.now(), retry: 0 };\n this.retryDelay = config.retryDelay;\n this.loadInternal();\n }\n\n loadInternal () {\n let xhr, context = this.context;\n xhr = this.loader = new XMLHttpRequest();\n\n let stats = this.stats;\n stats.tfirst = 0;\n stats.loaded = 0;\n const xhrSetup = this.xhrSetup;\n\n try {\n if (xhrSetup) {\n try {\n xhrSetup(xhr, context.url);\n } catch (e) {\n // fix xhrSetup: (xhr, url) => {xhr.setRequestHeader(\"Content-Language\", \"test\");}\n // not working, as xhr.setRequestHeader expects xhr.readyState === OPEN\n xhr.open('GET', context.url, true);\n xhrSetup(xhr, context.url);\n }\n }\n if (!xhr.readyState) {\n xhr.open('GET', context.url, true);\n }\n } catch (e) {\n // IE11 throws an exception on xhr.open if attempting to access an HTTP resource over HTTPS\n this.callbacks.onError({ code: xhr.status, text: e.message }, context, xhr);\n return;\n }\n\n if (context.rangeEnd) {\n xhr.setRequestHeader('Range', 'bytes=' + context.rangeStart + '-' + (context.rangeEnd - 1));\n }\n\n xhr.onreadystatechange = this.readystatechange.bind(this);\n xhr.onprogress = this.loadprogress.bind(this);\n xhr.responseType = context.responseType;\n\n // setup timeout before we perform request\n this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), this.config.timeout);\n xhr.send();\n }\n\n readystatechange (event) {\n let xhr = event.currentTarget,\n readyState = xhr.readyState,\n stats = this.stats,\n context = this.context,\n config = this.config;\n\n // don't proceed if xhr has been aborted\n if (stats.aborted) {\n return;\n }\n\n // >= HEADERS_RECEIVED\n if (readyState >= 2) {\n // clear xhr timeout and rearm it if readyState less than 4\n window.clearTimeout(this.requestTimeout);\n if (stats.tfirst === 0) {\n stats.tfirst = Math.max(performance.now(), stats.trequest);\n }\n\n if (readyState === 4) {\n let status = xhr.status;\n // http status between 200 to 299 are all successful\n if (status >= 200 && status < 300) {\n stats.tload = Math.max(stats.tfirst, performance.now());\n let data, len;\n if (context.responseType === 'arraybuffer') {\n data = xhr.response;\n len = data.byteLength;\n } else {\n data = xhr.responseText;\n len = data.length;\n }\n stats.loaded = stats.total = len;\n let response = { url: xhr.responseURL, data: data };\n this.callbacks.onSuccess(response, stats, context, xhr);\n } else {\n // if max nb of retries reached or if http status between 400 and 499 (such error cannot be recovered, retrying is useless), return error\n if (stats.retry >= config.maxRetry) {\n logger.error(`${status} while loading ${context.url}`);\n this.callbacks.onError({ code: status, text: xhr.statusText }, context, xhr);\n } else {\n // retry\n logger.warn(`${status} while loading ${context.url}, retrying in ${this.retryDelay}...`);\n // aborts and resets internal state\n this.destroy();\n // schedule retry\n this.retryTimeout = window.setTimeout(this.loadInternal.bind(this), this.retryDelay);\n // set exponential backoff\n this.retryDelay = Math.min(2 * this.retryDelay, config.maxRetryDelay);\n stats.retry++;\n }\n }\n } else {\n // readyState >= 2 AND readyState !==4 (readyState = HEADERS_RECEIVED || LOADING) rearm timeout as xhr not finished yet\n this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), config.timeout);\n }\n }\n }\n\n loadtimeout () {\n logger.warn(`timeout while loading ${this.context.url}`);\n this.callbacks.onTimeout(this.stats, this.context, null);\n }\n\n loadprogress (event) {\n let xhr = event.currentTarget,\n stats = this.stats;\n\n stats.loaded = event.loaded;\n if (event.lengthComputable) {\n stats.total = event.total;\n }\n\n let onProgress = this.callbacks.onProgress;\n if (onProgress) {\n // third arg is to provide on progress data\n onProgress(stats, this.context, null, xhr);\n }\n }\n}\n\nexport default XhrLoader;\n","import Event from '../events';\nimport TaskLoop from '../task-loop';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\n/**\n * @class AudioTrackController\n * @implements {EventHandler}\n *\n * Handles main manifest and audio-track metadata loaded,\n * owns and exposes the selectable audio-tracks data-models.\n *\n * Exposes internal interface to select available audio-tracks.\n *\n * Handles errors on loading audio-track playlists. Manages fallback mechanism\n * with redundants tracks (group-IDs).\n *\n * Handles level-loading and group-ID switches for video (fallback on video levels),\n * and eventually adapts the audio-track group-ID to match.\n *\n * @fires AUDIO_TRACK_LOADING\n * @fires AUDIO_TRACK_SWITCHING\n * @fires AUDIO_TRACKS_UPDATED\n * @fires ERROR\n *\n */\nclass AudioTrackController extends TaskLoop {\n constructor (hls) {\n super(hls,\n Event.MANIFEST_LOADING,\n Event.MANIFEST_PARSED,\n Event.AUDIO_TRACK_LOADED,\n Event.AUDIO_TRACK_SWITCHED,\n Event.LEVEL_LOADED,\n Event.ERROR\n );\n\n /**\n * @private\n * Currently selected index in `tracks`\n * @member {number} trackId\n */\n this._trackId = -1;\n\n /**\n * @private\n * If should select tracks according to default track attribute\n * @member {boolean} _selectDefaultTrack\n */\n this._selectDefaultTrack = true;\n\n /**\n * @public\n * All tracks available\n * @member {AudioTrack[]}\n */\n this.tracks = [];\n\n /**\n * @public\n * List of blacklisted audio track IDs (that have caused failure)\n * @member {number[]}\n */\n this.trackIdBlacklist = Object.create(null);\n\n /**\n * @public\n * The currently running group ID for audio\n * (we grab this on manifest-parsed and new level-loaded)\n * @member {string}\n */\n this.audioGroupId = null;\n }\n\n /**\n * Reset audio tracks on new manifest loading.\n */\n onManifestLoading () {\n this.tracks = [];\n this._trackId = -1;\n this._selectDefaultTrack = true;\n }\n\n /**\n * Store tracks data from manifest parsed data.\n *\n * Trigger AUDIO_TRACKS_UPDATED event.\n *\n * @param {*} data\n */\n onManifestParsed (data) {\n const tracks = this.tracks = data.audioTracks || [];\n this.hls.trigger(Event.AUDIO_TRACKS_UPDATED, { audioTracks: tracks });\n\n this._selectAudioGroup(this.hls.nextLoadLevel);\n }\n\n /**\n * Store track details of loaded track in our data-model.\n *\n * Set-up metadata update interval task for live-mode streams.\n *\n * @param {*} data\n */\n onAudioTrackLoaded (data) {\n if (data.id >= this.tracks.length) {\n logger.warn('Invalid audio track id:', data.id);\n return;\n }\n\n logger.log(`audioTrack ${data.id} loaded`);\n\n this.tracks[data.id].details = data.details;\n\n // check if current playlist is a live playlist\n // and if we have already our reload interval setup\n if (data.details.live && !this.hasInterval()) {\n // if live playlist we will have to reload it periodically\n // set reload period to playlist target duration\n const updatePeriodMs = data.details.targetduration * 1000;\n this.setInterval(updatePeriodMs);\n }\n\n if (!data.details.live && this.hasInterval()) {\n // playlist is not live and timer is scheduled: cancel it\n this.clearInterval();\n }\n }\n\n /**\n * Update the internal group ID to any audio-track we may have set manually\n * or because of a failure-handling fallback.\n *\n * Quality-levels should update to that group ID in this case.\n *\n * @param {*} data\n */\n onAudioTrackSwitched (data) {\n const audioGroupId = this.tracks[data.id].groupId;\n if (audioGroupId && (this.audioGroupId !== audioGroupId)) {\n this.audioGroupId = audioGroupId;\n }\n }\n\n /**\n * When a level gets loaded, if it has redundant audioGroupIds (in the same ordinality as it's redundant URLs)\n * we are setting our audio-group ID internally to the one set, if it is different from the group ID currently set.\n *\n * If group-ID got update, we re-select the appropriate audio-track with this group-ID matching the currently\n * selected one (based on NAME property).\n *\n * @param {*} data\n */\n onLevelLoaded (data) {\n this._selectAudioGroup(data.level);\n }\n\n /**\n * Handle network errors loading audio track manifests\n * and also pausing on any netwok errors.\n *\n * @param {ErrorEventData} data\n */\n onError (data) {\n // Only handle network errors\n if (data.type !== ErrorTypes.NETWORK_ERROR) {\n return;\n }\n\n // If fatal network error, cancel update task\n if (data.fatal) {\n this.clearInterval();\n }\n\n // If not an audio-track loading error don't handle further\n if (data.details !== ErrorDetails.AUDIO_TRACK_LOAD_ERROR) {\n return;\n }\n\n logger.warn('Network failure on audio-track id:', data.context.id);\n this._handleLoadError();\n }\n\n /**\n * @type {AudioTrack[]} Audio-track list we own\n */\n get audioTracks () {\n return this.tracks;\n }\n\n /**\n * @type {number} Index into audio-tracks list of currently selected track.\n */\n get audioTrack () {\n return this._trackId;\n }\n\n /**\n * Select current track by index\n */\n set audioTrack (newId) {\n this._setAudioTrack(newId);\n // If audio track is selected from API then don't choose from the manifest default track\n this._selectDefaultTrack = false;\n }\n\n /**\n * @private\n * @param {number} newId\n */\n _setAudioTrack (newId) {\n // noop on same audio track id as already set\n if (this._trackId === newId && this.tracks[this._trackId].details) {\n logger.debug('Same id as current audio-track passed, and track details available -> no-op');\n return;\n }\n\n // check if level idx is valid\n if (newId < 0 || newId >= this.tracks.length) {\n logger.warn('Invalid id passed to audio-track controller');\n return;\n }\n\n const audioTrack = this.tracks[newId];\n\n logger.log(`Now switching to audio-track index ${newId}`);\n\n // stopping live reloading timer if any\n this.clearInterval();\n this._trackId = newId;\n\n const { url, type, id } = audioTrack;\n this.hls.trigger(Event.AUDIO_TRACK_SWITCHING, { id, type, url });\n this._loadTrackDetailsIfNeeded(audioTrack);\n }\n\n /**\n * @override\n */\n doTick () {\n this._updateTrack(this._trackId);\n }\n\n /**\n * @param levelId\n * @private\n */\n _selectAudioGroup (levelId) {\n const levelInfo = this.hls.levels[levelId];\n\n if (!levelInfo || !levelInfo.audioGroupIds) {\n return;\n }\n\n const audioGroupId = levelInfo.audioGroupIds[levelInfo.urlId];\n if (this.audioGroupId !== audioGroupId) {\n this.audioGroupId = audioGroupId;\n this._selectInitialAudioTrack();\n }\n }\n\n /**\n * Select initial track\n * @private\n */\n _selectInitialAudioTrack () {\n let tracks = this.tracks;\n if (!tracks.length) {\n return;\n }\n\n const currentAudioTrack = this.tracks[this._trackId];\n\n let name = null;\n if (currentAudioTrack) {\n name = currentAudioTrack.name;\n }\n\n // Pre-select default tracks if there are any\n if (this._selectDefaultTrack) {\n const defaultTracks = tracks.filter((track) => track.default);\n if (defaultTracks.length) {\n tracks = defaultTracks;\n } else {\n logger.warn('No default audio tracks defined');\n }\n }\n\n let trackFound = false;\n\n const traverseTracks = () => {\n // Select track with right group ID\n tracks.forEach((track) => {\n if (trackFound) {\n return;\n }\n // We need to match the (pre-)selected group ID\n // and the NAME of the current track.\n if ((!this.audioGroupId || track.groupId === this.audioGroupId) &&\n (!name || name === track.name)) {\n // If there was a previous track try to stay with the same `NAME`.\n // It should be unique across tracks of same group, and consistent through redundant track groups.\n this._setAudioTrack(track.id);\n trackFound = true;\n }\n });\n };\n\n traverseTracks();\n\n if (!trackFound) {\n name = null;\n traverseTracks();\n }\n\n if (!trackFound) {\n logger.error(`No track found for running audio group-ID: ${this.audioGroupId}`);\n\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.AUDIO_TRACK_LOAD_ERROR,\n fatal: true\n });\n }\n }\n\n /**\n * @private\n * @param {AudioTrack} audioTrack\n * @returns {boolean}\n */\n _needsTrackLoading (audioTrack) {\n const { details, url } = audioTrack;\n\n if (!details || details.live) {\n // check if we face an audio track embedded in main playlist (audio track without URI attribute)\n return !!url;\n }\n\n return false;\n }\n\n /**\n * @private\n * @param {AudioTrack} audioTrack\n */\n _loadTrackDetailsIfNeeded (audioTrack) {\n if (this._needsTrackLoading(audioTrack)) {\n const { url, id } = audioTrack;\n // track not retrieved yet, or live playlist we need to (re)load it\n logger.log(`loading audio-track playlist for id: ${id}`);\n this.hls.trigger(Event.AUDIO_TRACK_LOADING, { url, id });\n }\n }\n\n /**\n * @private\n * @param {number} newId\n */\n _updateTrack (newId) {\n // check if level idx is valid\n if (newId < 0 || newId >= this.tracks.length) {\n return;\n }\n\n // stopping live reloading timer if any\n this.clearInterval();\n this._trackId = newId;\n logger.log(`trying to update audio-track ${newId}`);\n const audioTrack = this.tracks[newId];\n this._loadTrackDetailsIfNeeded(audioTrack);\n }\n\n /**\n * @private\n */\n _handleLoadError () {\n // First, let's black list current track id\n this.trackIdBlacklist[this._trackId] = true;\n\n // Let's try to fall back on a functional audio-track with the same group ID\n const previousId = this._trackId;\n const { name, language, groupId } = this.tracks[previousId];\n\n logger.warn(`Loading failed on audio track id: ${previousId}, group-id: ${groupId}, name/language: \"${name}\" / \"${language}\"`);\n\n // Find a non-blacklisted track ID with the same NAME\n // At least a track that is not blacklisted, thus on another group-ID.\n let newId = previousId;\n for (let i = 0; i < this.tracks.length; i++) {\n if (this.trackIdBlacklist[i]) {\n continue;\n }\n const newTrack = this.tracks[i];\n if (newTrack.name === name) {\n newId = i;\n break;\n }\n }\n\n if (newId === previousId) {\n logger.warn(`No fallback audio-track found for name/language: \"${name}\" / \"${language}\"`);\n return;\n }\n\n logger.log('Attempting audio-track fallback id:', newId, 'group-id:', this.tracks[newId].groupId);\n\n this._setAudioTrack(newId);\n }\n}\n\nexport default AudioTrackController;\n","/*\n * Audio Stream Controller\n*/\n\nimport BinarySearch from '../utils/binary-search';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport Demuxer from '../demux/demuxer';\nimport Event from '../events';\nimport * as LevelHelper from './level-helper';\nimport TimeRanges from '../utils/time-ranges';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport { findFragWithCC } from '../utils/discontinuities';\nimport { FragmentState } from './fragment-tracker';\nimport Fragment, { ElementaryStreamTypes } from '../loader/fragment';\nimport BaseStreamController, { State } from './base-stream-controller';\nconst { performance } = window;\n\nconst TICK_INTERVAL = 100; // how often to tick in ms\n\nclass AudioStreamController extends BaseStreamController {\n constructor (hls, fragmentTracker) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.AUDIO_TRACKS_UPDATED,\n Event.AUDIO_TRACK_SWITCHING,\n Event.AUDIO_TRACK_LOADED,\n Event.KEY_LOADED,\n Event.FRAG_LOADED,\n Event.FRAG_PARSING_INIT_SEGMENT,\n Event.FRAG_PARSING_DATA,\n Event.FRAG_PARSED,\n Event.ERROR,\n Event.BUFFER_RESET,\n Event.BUFFER_CREATED,\n Event.BUFFER_APPENDED,\n Event.BUFFER_FLUSHED,\n Event.INIT_PTS_FOUND);\n this.fragmentTracker = fragmentTracker;\n this.config = hls.config;\n this.audioCodecSwap = false;\n this._state = State.STOPPED;\n this.initPTS = [];\n this.waitingFragment = null;\n this.videoTrackCC = null;\n }\n\n // Signal that video PTS was found\n onInitPtsFound (data) {\n let demuxerId = data.id, cc = data.frag.cc, initPTS = data.initPTS;\n if (demuxerId === 'main') {\n // Always update the new INIT PTS\n // Can change due level switch\n this.initPTS[cc] = initPTS;\n this.videoTrackCC = cc;\n logger.log(`InitPTS for cc: ${cc} found from video track: ${initPTS}`);\n\n // If we are waiting we need to demux/remux the waiting frag\n // With the new initPTS\n if (this.state === State.WAITING_INIT_PTS) {\n this.tick();\n }\n }\n }\n\n startLoad (startPosition) {\n if (this.tracks) {\n let lastCurrentTime = this.lastCurrentTime;\n this.stopLoad();\n this.setInterval(TICK_INTERVAL);\n this.fragLoadError = 0;\n if (lastCurrentTime > 0 && startPosition === -1) {\n logger.log(`audio:override startPosition with lastCurrentTime @${lastCurrentTime.toFixed(3)}`);\n this.state = State.IDLE;\n } else {\n this.lastCurrentTime = this.startPosition ? this.startPosition : startPosition;\n this.state = State.STARTING;\n }\n this.nextLoadPosition = this.startPosition = this.lastCurrentTime;\n this.tick();\n } else {\n this.startPosition = startPosition;\n this.state = State.STOPPED;\n }\n }\n\n set state (nextState) {\n if (this.state !== nextState) {\n const previousState = this.state;\n this._state = nextState;\n logger.log(`audio stream:${previousState}->${nextState}`);\n }\n }\n\n get state () {\n return this._state;\n }\n\n doTick () {\n let pos, track, trackDetails, hls = this.hls, config = hls.config;\n // logger.log('audioStream:' + this.state);\n switch (this.state) {\n case State.ERROR:\n // don't do anything in error state to avoid breaking further ...\n case State.PAUSED:\n // don't do anything in paused state either ...\n case State.BUFFER_FLUSHING:\n break;\n case State.STARTING:\n this.state = State.WAITING_TRACK;\n this.loadedmetadata = false;\n break;\n case State.IDLE:\n const tracks = this.tracks;\n // audio tracks not received => exit loop\n if (!tracks) {\n break;\n }\n\n // if video not attached AND\n // start fragment already requested OR start frag prefetch disable\n // exit loop\n // => if media not attached but start frag prefetch is enabled and start frag not requested yet, we will not exit loop\n if (!this.media &&\n (this.startFragRequested || !config.startFragPrefetch)) {\n break;\n }\n\n // determine next candidate fragment to be loaded, based on current position and\n // end of buffer position\n // if we have not yet loaded any fragment, start loading from start position\n if (this.loadedmetadata) {\n pos = this.media.currentTime;\n } else {\n pos = this.nextLoadPosition;\n if (pos === undefined) {\n break;\n }\n }\n let media = this.mediaBuffer ? this.mediaBuffer : this.media,\n videoBuffer = this.videoBuffer ? this.videoBuffer : this.media,\n bufferInfo = BufferHelper.bufferInfo(media, pos, config.maxBufferHole),\n mainBufferInfo = BufferHelper.bufferInfo(videoBuffer, pos, config.maxBufferHole),\n bufferLen = bufferInfo.len,\n bufferEnd = bufferInfo.end,\n fragPrevious = this.fragPrevious,\n // ensure we buffer at least config.maxBufferLength (default 30s) or config.maxMaxBufferLength (default: 600s)\n // whichever is smaller.\n // once we reach that threshold, don't buffer more than video (mainBufferInfo.len)\n maxConfigBuffer = Math.min(config.maxBufferLength, config.maxMaxBufferLength),\n maxBufLen = Math.max(maxConfigBuffer, mainBufferInfo.len),\n audioSwitch = this.audioSwitch,\n trackId = this.trackId;\n\n // if buffer length is less than maxBufLen try to load a new fragment\n if ((bufferLen < maxBufLen || audioSwitch) && trackId < tracks.length) {\n trackDetails = tracks[trackId].details;\n // if track info not retrieved yet, switch state and wait for track retrieval\n if (typeof trackDetails === 'undefined') {\n this.state = State.WAITING_TRACK;\n break;\n }\n\n if (!audioSwitch && this._streamEnded(bufferInfo, trackDetails)) {\n this.hls.trigger(Event.BUFFER_EOS, { type: 'audio' });\n this.state = State.ENDED;\n return;\n }\n\n // find fragment index, contiguous with end of buffer position\n let fragments = trackDetails.fragments,\n fragLen = fragments.length,\n start = fragments[0].start,\n end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration,\n frag;\n\n // When switching audio track, reload audio as close as possible to currentTime\n if (audioSwitch) {\n if (trackDetails.live && !trackDetails.PTSKnown) {\n logger.log('switching audiotrack, live stream, unknown PTS,load first fragment');\n bufferEnd = 0;\n } else {\n bufferEnd = pos;\n // if currentTime (pos) is less than alt audio playlist start time, it means that alt audio is ahead of currentTime\n if (trackDetails.PTSKnown && pos < start) {\n // if everything is buffered from pos to start or if audio buffer upfront, let's seek to start\n if (bufferInfo.end > start || bufferInfo.nextStart) {\n logger.log('alt audio track ahead of main track, seek to start of alt audio track');\n this.media.currentTime = start + 0.05;\n } else {\n return;\n }\n }\n }\n }\n if (trackDetails.initSegment && !trackDetails.initSegment.data) {\n frag = trackDetails.initSegment;\n } // eslint-disable-line brace-style\n // if bufferEnd before start of playlist, load first fragment\n else if (bufferEnd <= start) {\n frag = fragments[0];\n if (this.videoTrackCC !== null && frag.cc !== this.videoTrackCC) {\n // Ensure we find a fragment which matches the continuity of the video track\n frag = findFragWithCC(fragments, this.videoTrackCC);\n }\n if (trackDetails.live && frag.loadIdx && frag.loadIdx === this.fragLoadIdx) {\n // we just loaded this first fragment, and we are still lagging behind the start of the live playlist\n // let's force seek to start\n const nextBuffered = bufferInfo.nextStart ? bufferInfo.nextStart : start;\n logger.log(`no alt audio available @currentTime:${this.media.currentTime}, seeking @${nextBuffered + 0.05}`);\n this.media.currentTime = nextBuffered + 0.05;\n return;\n }\n } else {\n let foundFrag;\n let maxFragLookUpTolerance = config.maxFragLookUpTolerance;\n const fragNext = fragPrevious ? fragments[fragPrevious.sn - fragments[0].sn + 1] : undefined;\n let fragmentWithinToleranceTest = (candidate) => {\n // offset should be within fragment boundary - config.maxFragLookUpTolerance\n // this is to cope with situations like\n // bufferEnd = 9.991\n // frag[Ø] : [0,10]\n // frag[1] : [10,20]\n // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here\n // frag start frag start+duration\n // |-----------------------------|\n // <---> <--->\n // ...--------><-----------------------------><---------....\n // previous frag matching fragment next frag\n // return -1 return 0 return 1\n // logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`);\n // Set the lookup tolerance to be small enough to detect the current segment - ensures we don't skip over very small segments\n let candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration);\n if ((candidate.start + candidate.duration - candidateLookupTolerance) <= bufferEnd) {\n return 1;\n } else if (candidate.start - candidateLookupTolerance > bufferEnd && candidate.start) {\n // if maxFragLookUpTolerance will have negative value then don't return -1 for first element\n return -1;\n }\n\n return 0;\n };\n\n if (bufferEnd < end) {\n if (bufferEnd > end - maxFragLookUpTolerance) {\n maxFragLookUpTolerance = 0;\n }\n\n // Prefer the next fragment if it's within tolerance\n if (fragNext && !fragmentWithinToleranceTest(fragNext)) {\n foundFrag = fragNext;\n } else {\n foundFrag = BinarySearch.search(fragments, fragmentWithinToleranceTest);\n }\n } else {\n // reach end of playlist\n foundFrag = fragments[fragLen - 1];\n }\n if (foundFrag) {\n frag = foundFrag;\n start = foundFrag.start;\n // logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn);\n if (fragPrevious && frag.level === fragPrevious.level && frag.sn === fragPrevious.sn) {\n if (frag.sn < trackDetails.endSN) {\n frag = fragments[frag.sn + 1 - trackDetails.startSN];\n logger.log(`SN just loaded, load next one: ${frag.sn}`);\n } else {\n frag = null;\n }\n }\n }\n }\n if (frag) {\n // logger.log(' loading frag ' + i +',pos/bufEnd:' + pos.toFixed(3) + '/' + bufferEnd.toFixed(3));\n if (frag.encrypted) {\n logger.log(`Loading key for ${frag.sn} of [${trackDetails.startSN} ,${trackDetails.endSN}],track ${trackId}`);\n this.state = State.KEY_LOADING;\n hls.trigger(Event.KEY_LOADING, { frag: frag });\n } else {\n logger.log(`Loading ${frag.sn}, cc: ${frag.cc} of [${trackDetails.startSN} ,${trackDetails.endSN}],track ${trackId}, currentTime:${pos},bufferEnd:${bufferEnd.toFixed(3)}`);\n // only load if fragment is not loaded or if in audio switch\n // we force a frag loading in audio switch as fragment tracker might not have evicted previous frags in case of quick audio switch\n this.fragCurrent = frag;\n if (audioSwitch || this.fragmentTracker.getState(frag) === FragmentState.NOT_LOADED) {\n if (frag.sn !== 'initSegment') {\n this.startFragRequested = true;\n }\n if (Number.isFinite(frag.sn)) {\n this.nextLoadPosition = frag.start + frag.duration;\n }\n\n hls.trigger(Event.FRAG_LOADING, { frag });\n this.state = State.FRAG_LOADING;\n }\n }\n }\n }\n break;\n case State.WAITING_TRACK:\n track = this.tracks[this.trackId];\n // check if playlist is already loaded\n if (track && track.details) {\n this.state = State.IDLE;\n }\n\n break;\n case State.FRAG_LOADING_WAITING_RETRY:\n var now = performance.now();\n var retryDate = this.retryDate;\n media = this.media;\n var isSeeking = media && media.seeking;\n // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading\n if (!retryDate || (now >= retryDate) || isSeeking) {\n logger.log('audioStreamController: retryDate reached, switch back to IDLE state');\n this.state = State.IDLE;\n }\n break;\n case State.WAITING_INIT_PTS:\n const videoTrackCC = this.videoTrackCC;\n if (this.initPTS[videoTrackCC] === undefined) {\n break;\n }\n\n // Ensure we don't get stuck in the WAITING_INIT_PTS state if the waiting frag CC doesn't match any initPTS\n const waitingFrag = this.waitingFragment;\n if (waitingFrag) {\n const waitingFragCC = waitingFrag.frag.cc;\n if (videoTrackCC !== waitingFragCC) {\n track = this.tracks[this.trackId];\n if (track.details && track.details.live) {\n logger.warn(`Waiting fragment CC (${waitingFragCC}) does not match video track CC (${videoTrackCC})`);\n this.waitingFragment = null;\n this.state = State.IDLE;\n }\n } else {\n this.state = State.FRAG_LOADING;\n this.onFragLoaded(this.waitingFragment);\n this.waitingFragment = null;\n }\n } else {\n this.state = State.IDLE;\n }\n\n break;\n case State.STOPPED:\n case State.FRAG_LOADING:\n case State.PARSING:\n case State.PARSED:\n case State.ENDED:\n break;\n default:\n break;\n }\n }\n\n onMediaAttached (data) {\n let media = this.media = this.mediaBuffer = data.media;\n this.onvseeking = this.onMediaSeeking.bind(this);\n this.onvended = this.onMediaEnded.bind(this);\n media.addEventListener('seeking', this.onvseeking);\n media.addEventListener('ended', this.onvended);\n let config = this.config;\n if (this.tracks && config.autoStartLoad) {\n this.startLoad(config.startPosition);\n }\n }\n\n onMediaDetaching () {\n let media = this.media;\n if (media && media.ended) {\n logger.log('MSE detaching and video ended, reset startPosition');\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n // remove video listeners\n if (media) {\n media.removeEventListener('seeking', this.onvseeking);\n media.removeEventListener('ended', this.onvended);\n this.onvseeking = this.onvseeked = this.onvended = null;\n }\n this.media = this.mediaBuffer = this.videoBuffer = null;\n this.loadedmetadata = false;\n this.fragmentTracker.removeAllFragments();\n this.stopLoad();\n }\n\n onAudioTracksUpdated (data) {\n logger.log('audio tracks updated');\n this.tracks = data.audioTracks;\n }\n\n onAudioTrackSwitching (data) {\n // if any URL found on new audio track, it is an alternate audio track\n let altAudio = !!data.url;\n this.trackId = data.id;\n\n this.fragCurrent = null;\n this.state = State.PAUSED;\n this.waitingFragment = null;\n // destroy useless demuxer when switching audio to main\n if (!altAudio) {\n if (this.demuxer) {\n this.demuxer.destroy();\n this.demuxer = null;\n }\n } else {\n // switching to audio track, start timer if not already started\n this.setInterval(TICK_INTERVAL);\n }\n\n // should we switch tracks ?\n if (altAudio) {\n this.audioSwitch = true;\n // main audio track are handled by stream-controller, just do something if switching to alt audio track\n this.state = State.IDLE;\n }\n this.tick();\n }\n\n onAudioTrackLoaded (data) {\n let newDetails = data.details,\n trackId = data.id,\n track = this.tracks[trackId],\n duration = newDetails.totalduration,\n sliding = 0;\n\n logger.log(`track ${trackId} loaded [${newDetails.startSN},${newDetails.endSN}],duration:${duration}`);\n\n if (newDetails.live) {\n let curDetails = track.details;\n if (curDetails && newDetails.fragments.length > 0) {\n // we already have details for that level, merge them\n LevelHelper.mergeDetails(curDetails, newDetails);\n sliding = newDetails.fragments[0].start;\n // TODO\n // this.liveSyncPosition = this.computeLivePosition(sliding, curDetails);\n if (newDetails.PTSKnown) {\n logger.log(`live audio playlist sliding:${sliding.toFixed(3)}`);\n } else {\n logger.log('live audio playlist - outdated PTS, unknown sliding');\n }\n } else {\n newDetails.PTSKnown = false;\n logger.log('live audio playlist - first load, unknown sliding');\n }\n } else {\n newDetails.PTSKnown = false;\n }\n track.details = newDetails;\n\n // compute start position\n if (!this.startFragRequested) {\n // compute start position if set to -1. use it straight away if value is defined\n if (this.startPosition === -1) {\n // first, check if start time offset has been set in playlist, if yes, use this value\n let startTimeOffset = newDetails.startTimeOffset;\n if (Number.isFinite(startTimeOffset)) {\n logger.log(`start time offset found in playlist, adjust startPosition to ${startTimeOffset}`);\n this.startPosition = startTimeOffset;\n } else {\n if (newDetails.live) {\n this.startPosition = this.computeLivePosition(sliding, newDetails);\n logger.log(`compute startPosition for audio-track to ${this.startPosition}`);\n } else {\n this.startPosition = 0;\n }\n }\n }\n this.nextLoadPosition = this.startPosition;\n }\n // only switch batck to IDLE state if we were waiting for track to start downloading a new fragment\n if (this.state === State.WAITING_TRACK) {\n this.state = State.IDLE;\n }\n\n // trigger handler right now\n this.tick();\n }\n\n onKeyLoaded () {\n if (this.state === State.KEY_LOADING) {\n this.state = State.IDLE;\n this.tick();\n }\n }\n\n onFragLoaded (data) {\n let fragCurrent = this.fragCurrent,\n fragLoaded = data.frag;\n if (this.state === State.FRAG_LOADING &&\n fragCurrent &&\n fragLoaded.type === 'audio' &&\n fragLoaded.level === fragCurrent.level &&\n fragLoaded.sn === fragCurrent.sn) {\n let track = this.tracks[this.trackId],\n details = track.details,\n duration = details.totalduration,\n trackId = fragCurrent.level,\n sn = fragCurrent.sn,\n cc = fragCurrent.cc,\n audioCodec = this.config.defaultAudioCodec || track.audioCodec || 'mp4a.40.2',\n stats = this.stats = data.stats;\n if (sn === 'initSegment') {\n this.state = State.IDLE;\n\n stats.tparsed = stats.tbuffered = performance.now();\n details.initSegment.data = data.payload;\n this.hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'audio' });\n this.tick();\n } else {\n this.state = State.PARSING;\n // transmux the MPEG-TS data to ISO-BMFF segments\n this.appended = false;\n if (!this.demuxer) {\n this.demuxer = new Demuxer(this.hls, 'audio');\n }\n\n // Check if we have video initPTS\n // If not we need to wait for it\n let initPTS = this.initPTS[cc];\n let initSegmentData = details.initSegment ? details.initSegment.data : [];\n if (details.initSegment || initPTS !== undefined) {\n this.pendingBuffering = true;\n logger.log(`Demuxing ${sn} of [${details.startSN} ,${details.endSN}],track ${trackId}`);\n // time Offset is accurate if level PTS is known, or if playlist is not sliding (not live)\n let accurateTimeOffset = false; // details.PTSKnown || !details.live;\n this.demuxer.push(data.payload, initSegmentData, audioCodec, null, fragCurrent, duration, accurateTimeOffset, initPTS);\n } else {\n logger.log(`unknown video PTS for continuity counter ${cc}, waiting for video PTS before demuxing audio frag ${sn} of [${details.startSN} ,${details.endSN}],track ${trackId}`);\n this.waitingFragment = data;\n this.state = State.WAITING_INIT_PTS;\n }\n }\n }\n this.fragLoadError = 0;\n }\n\n onFragParsingInitSegment (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'audio' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n let tracks = data.tracks, track;\n\n // delete any video track found on audio demuxer\n if (tracks.video) {\n delete tracks.video;\n }\n\n // include levelCodec in audio and video tracks\n track = tracks.audio;\n if (track) {\n track.levelCodec = track.codec;\n track.id = data.id;\n this.hls.trigger(Event.BUFFER_CODECS, tracks);\n logger.log(`audio track:audio,container:${track.container},codecs[level/parsed]=[${track.levelCodec}/${track.codec}]`);\n let initSegment = track.initSegment;\n if (initSegment) {\n let appendObj = { type: 'audio', data: initSegment, parent: 'audio', content: 'initSegment' };\n if (this.audioSwitch) {\n this.pendingData = [appendObj];\n } else {\n this.appended = true;\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n this.hls.trigger(Event.BUFFER_APPENDING, appendObj);\n }\n }\n // trigger handler right now\n this.tick();\n }\n }\n }\n\n onFragParsingData (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'audio' &&\n data.type === 'audio' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n let trackId = this.trackId,\n track = this.tracks[trackId],\n hls = this.hls;\n\n if (!Number.isFinite(data.endPTS)) {\n data.endPTS = data.startPTS + fragCurrent.duration;\n data.endDTS = data.startDTS + fragCurrent.duration;\n }\n\n fragCurrent.addElementaryStream(ElementaryStreamTypes.AUDIO);\n\n logger.log(`parsed ${data.type},PTS:[${data.startPTS.toFixed(3)},${data.endPTS.toFixed(3)}],DTS:[${data.startDTS.toFixed(3)}/${data.endDTS.toFixed(3)}],nb:${data.nb}`);\n LevelHelper.updateFragPTSDTS(track.details, fragCurrent, data.startPTS, data.endPTS);\n\n let audioSwitch = this.audioSwitch, media = this.media, appendOnBufferFlush = false;\n // Only flush audio from old audio tracks when PTS is known on new audio track\n if (audioSwitch) {\n if (media && media.readyState) {\n let currentTime = media.currentTime;\n logger.log('switching audio track : currentTime:' + currentTime);\n if (currentTime >= data.startPTS) {\n logger.log('switching audio track : flushing all audio');\n this.state = State.BUFFER_FLUSHING;\n hls.trigger(Event.BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' });\n appendOnBufferFlush = true;\n // Lets announce that the initial audio track switch flush occur\n this.audioSwitch = false;\n hls.trigger(Event.AUDIO_TRACK_SWITCHED, { id: trackId });\n }\n } else {\n // Lets announce that the initial audio track switch flush occur\n this.audioSwitch = false;\n hls.trigger(Event.AUDIO_TRACK_SWITCHED, { id: trackId });\n }\n }\n\n let pendingData = this.pendingData;\n\n if (!pendingData) {\n logger.warn('Apparently attempt to enqueue media payload without codec initialization data upfront');\n hls.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: null, fatal: true });\n return;\n }\n\n if (!this.audioSwitch) {\n [data.data1, data.data2].forEach(buffer => {\n if (buffer && buffer.length) {\n pendingData.push({ type: data.type, data: buffer, parent: 'audio', content: 'data' });\n }\n });\n if (!appendOnBufferFlush && pendingData.length) {\n pendingData.forEach(appendObj => {\n // only append in PARSING state (rationale is that an appending error could happen synchronously on first segment appending)\n // in that case it is useless to append following segments\n if (this.state === State.PARSING) {\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n this.hls.trigger(Event.BUFFER_APPENDING, appendObj);\n }\n });\n this.pendingData = [];\n this.appended = true;\n }\n }\n // trigger handler right now\n this.tick();\n }\n }\n\n onFragParsed (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'audio' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n this.stats.tparsed = performance.now();\n this.state = State.PARSED;\n this._checkAppendedParsed();\n }\n }\n\n onBufferReset () {\n // reset reference to sourcebuffers\n this.mediaBuffer = this.videoBuffer = null;\n this.loadedmetadata = false;\n }\n\n onBufferCreated (data) {\n let audioTrack = data.tracks.audio;\n if (audioTrack) {\n this.mediaBuffer = audioTrack.buffer;\n this.loadedmetadata = true;\n }\n if (data.tracks.video) {\n this.videoBuffer = data.tracks.video.buffer;\n }\n }\n\n onBufferAppended (data) {\n if (data.parent === 'audio') {\n const state = this.state;\n if (state === State.PARSING || state === State.PARSED) {\n // check if all buffers have been appended\n this.pendingBuffering = (data.pending > 0);\n this._checkAppendedParsed();\n }\n }\n }\n\n _checkAppendedParsed () {\n // trigger handler right now\n if (this.state === State.PARSED && (!this.appended || !this.pendingBuffering)) {\n let frag = this.fragCurrent, stats = this.stats, hls = this.hls;\n if (frag) {\n this.fragPrevious = frag;\n stats.tbuffered = performance.now();\n hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: frag, id: 'audio' });\n let media = this.mediaBuffer ? this.mediaBuffer : this.media;\n if (media) {\n logger.log(`audio buffered : ${TimeRanges.toString(media.buffered)}`);\n }\n if (this.audioSwitch && this.appended) {\n this.audioSwitch = false;\n hls.trigger(Event.AUDIO_TRACK_SWITCHED, { id: this.trackId });\n }\n this.state = State.IDLE;\n }\n this.tick();\n }\n }\n\n onError (data) {\n let frag = data.frag;\n // don't handle frag error not related to audio fragment\n if (frag && frag.type !== 'audio') {\n return;\n }\n\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n const frag = data.frag;\n // don't handle frag error not related to audio fragment\n if (frag && frag.type !== 'audio') {\n break;\n }\n\n if (!data.fatal) {\n let loadError = this.fragLoadError;\n if (loadError) {\n loadError++;\n } else {\n loadError = 1;\n }\n\n const config = this.config;\n if (loadError <= config.fragLoadingMaxRetry) {\n this.fragLoadError = loadError;\n // exponential backoff capped to config.fragLoadingMaxRetryTimeout\n const delay = Math.min(Math.pow(2, loadError - 1) * config.fragLoadingRetryDelay, config.fragLoadingMaxRetryTimeout);\n logger.warn(`AudioStreamController: frag loading failed, retry in ${delay} ms`);\n this.retryDate = performance.now() + delay;\n // retry loading state\n this.state = State.FRAG_LOADING_WAITING_RETRY;\n } else {\n logger.error(`AudioStreamController: ${data.details} reaches max retry, redispatch as fatal ...`);\n // switch error to fatal\n data.fatal = true;\n this.state = State.ERROR;\n }\n }\n break;\n case ErrorDetails.AUDIO_TRACK_LOAD_ERROR:\n case ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n // when in ERROR state, don't switch back to IDLE state in case a non-fatal error is received\n if (this.state !== State.ERROR) {\n // if fatal error, stop processing, otherwise move to IDLE to retry loading\n this.state = data.fatal ? State.ERROR : State.IDLE;\n logger.warn(`AudioStreamController: ${data.details} while loading frag, now switching to ${this.state} state ...`);\n }\n break;\n case ErrorDetails.BUFFER_FULL_ERROR:\n // if in appending state\n if (data.parent === 'audio' && (this.state === State.PARSING || this.state === State.PARSED)) {\n const media = this.mediaBuffer,\n currentTime = this.media.currentTime,\n mediaBuffered = media && BufferHelper.isBuffered(media, currentTime) && BufferHelper.isBuffered(media, currentTime + 0.5);\n // reduce max buf len if current position is buffered\n if (mediaBuffered) {\n const config = this.config;\n if (config.maxMaxBufferLength >= config.maxBufferLength) {\n // reduce max buffer length as it might be too high. we do this to avoid loop flushing ...\n config.maxMaxBufferLength /= 2;\n logger.warn(`AudioStreamController: reduce max buffer length to ${config.maxMaxBufferLength}s`);\n }\n this.state = State.IDLE;\n } else {\n // current position is not buffered, but browser is still complaining about buffer full error\n // this happens on IE/Edge, refer to https://github.com/video-dev/hls.js/pull/708\n // in that case flush the whole audio buffer to recover\n logger.warn('AudioStreamController: buffer full error also media.currentTime is not buffered, flush audio buffer');\n this.fragCurrent = null;\n // flush everything\n this.state = State.BUFFER_FLUSHING;\n this.hls.trigger(Event.BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' });\n }\n }\n break;\n default:\n break;\n }\n }\n\n onBufferFlushed () {\n let pendingData = this.pendingData;\n if (pendingData && pendingData.length) {\n logger.log('AudioStreamController: appending pending audio data after buffer flushed');\n pendingData.forEach(appendObj => {\n this.hls.trigger(Event.BUFFER_APPENDING, appendObj);\n });\n this.appended = true;\n this.pendingData = [];\n this.state = State.PARSED;\n } else {\n // move to IDLE once flush complete. this should trigger new fragment loading\n this.state = State.IDLE;\n // reset reference to frag\n this.fragPrevious = null;\n this.tick();\n }\n }\n}\nexport default AudioStreamController;\n","/**\n * Copyright 2013 vtt.js Contributors\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nexport default (function () {\n if (typeof window !== 'undefined' && window.VTTCue) {\n return window.VTTCue;\n }\n\n let autoKeyword = 'auto';\n let directionSetting = {\n '': true,\n lr: true,\n rl: true\n };\n let alignSetting = {\n start: true,\n middle: true,\n end: true,\n left: true,\n right: true\n };\n\n function findDirectionSetting (value) {\n if (typeof value !== 'string') {\n return false;\n }\n\n let dir = directionSetting[value.toLowerCase()];\n return dir ? value.toLowerCase() : false;\n }\n\n function findAlignSetting (value) {\n if (typeof value !== 'string') {\n return false;\n }\n\n let align = alignSetting[value.toLowerCase()];\n return align ? value.toLowerCase() : false;\n }\n\n function extend (obj) {\n let i = 1;\n for (; i < arguments.length; i++) {\n let cobj = arguments[i];\n for (let p in cobj) {\n obj[p] = cobj[p];\n }\n }\n\n return obj;\n }\n\n function VTTCue (startTime, endTime, text) {\n let cue = this;\n let baseObj = {};\n\n baseObj.enumerable = true;\n\n /**\n * Shim implementation specific properties. These properties are not in\n * the spec.\n */\n\n // Lets us know when the VTTCue's data has changed in such a way that we need\n // to recompute its display state. This lets us compute its display state\n // lazily.\n cue.hasBeenReset = false;\n\n /**\n * VTTCue and TextTrackCue properties\n * http://dev.w3.org/html5/webvtt/#vttcue-interface\n */\n\n let _id = '';\n let _pauseOnExit = false;\n let _startTime = startTime;\n let _endTime = endTime;\n let _text = text;\n let _region = null;\n let _vertical = '';\n let _snapToLines = true;\n let _line = 'auto';\n let _lineAlign = 'start';\n let _position = 50;\n let _positionAlign = 'middle';\n let _size = 50;\n let _align = 'middle';\n\n Object.defineProperty(cue, 'id', extend({}, baseObj, {\n get: function () {\n return _id;\n },\n set: function (value) {\n _id = '' + value;\n }\n }));\n\n Object.defineProperty(cue, 'pauseOnExit', extend({}, baseObj, {\n get: function () {\n return _pauseOnExit;\n },\n set: function (value) {\n _pauseOnExit = !!value;\n }\n }));\n\n Object.defineProperty(cue, 'startTime', extend({}, baseObj, {\n get: function () {\n return _startTime;\n },\n set: function (value) {\n if (typeof value !== 'number') {\n throw new TypeError('Start time must be set to a number.');\n }\n\n _startTime = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'endTime', extend({}, baseObj, {\n get: function () {\n return _endTime;\n },\n set: function (value) {\n if (typeof value !== 'number') {\n throw new TypeError('End time must be set to a number.');\n }\n\n _endTime = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'text', extend({}, baseObj, {\n get: function () {\n return _text;\n },\n set: function (value) {\n _text = '' + value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'region', extend({}, baseObj, {\n get: function () {\n return _region;\n },\n set: function (value) {\n _region = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'vertical', extend({}, baseObj, {\n get: function () {\n return _vertical;\n },\n set: function (value) {\n let setting = findDirectionSetting(value);\n // Have to check for false because the setting an be an empty string.\n if (setting === false) {\n throw new SyntaxError('An invalid or illegal string was specified.');\n }\n\n _vertical = setting;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'snapToLines', extend({}, baseObj, {\n get: function () {\n return _snapToLines;\n },\n set: function (value) {\n _snapToLines = !!value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'line', extend({}, baseObj, {\n get: function () {\n return _line;\n },\n set: function (value) {\n if (typeof value !== 'number' && value !== autoKeyword) {\n throw new SyntaxError('An invalid number or illegal string was specified.');\n }\n\n _line = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'lineAlign', extend({}, baseObj, {\n get: function () {\n return _lineAlign;\n },\n set: function (value) {\n let setting = findAlignSetting(value);\n if (!setting) {\n throw new SyntaxError('An invalid or illegal string was specified.');\n }\n\n _lineAlign = setting;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'position', extend({}, baseObj, {\n get: function () {\n return _position;\n },\n set: function (value) {\n if (value < 0 || value > 100) {\n throw new Error('Position must be between 0 and 100.');\n }\n\n _position = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'positionAlign', extend({}, baseObj, {\n get: function () {\n return _positionAlign;\n },\n set: function (value) {\n let setting = findAlignSetting(value);\n if (!setting) {\n throw new SyntaxError('An invalid or illegal string was specified.');\n }\n\n _positionAlign = setting;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'size', extend({}, baseObj, {\n get: function () {\n return _size;\n },\n set: function (value) {\n if (value < 0 || value > 100) {\n throw new Error('Size must be between 0 and 100.');\n }\n\n _size = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'align', extend({}, baseObj, {\n get: function () {\n return _align;\n },\n set: function (value) {\n let setting = findAlignSetting(value);\n if (!setting) {\n throw new SyntaxError('An invalid or illegal string was specified.');\n }\n\n _align = setting;\n this.hasBeenReset = true;\n }\n }));\n\n /**\n * Other <track> spec defined properties\n */\n\n // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#text-track-cue-display-state\n cue.displayState = void 0;\n }\n\n /**\n * VTTCue methods\n */\n\n VTTCue.prototype.getCueAsHTML = function () {\n // Assume WebVTT.convertCueToDOMTree is on the global.\n let WebVTT = window.WebVTT;\n return WebVTT.convertCueToDOMTree(window, this.text);\n };\n\n return VTTCue;\n})();\n","/*\n * Source: https://github.com/mozilla/vtt.js/blob/master/dist/vtt.js#L1716\n */\n\nimport VTTCue from './vttcue';\n\nconst StringDecoder = function StringDecoder () {\n return {\n decode: function (data) {\n if (!data) {\n return '';\n }\n\n if (typeof data !== 'string') {\n throw new Error('Error - expected string data.');\n }\n\n return decodeURIComponent(encodeURIComponent(data));\n }\n };\n};\n\nfunction VTTParser () {\n this.window = window;\n this.state = 'INITIAL';\n this.buffer = '';\n this.decoder = new StringDecoder();\n this.regionList = [];\n}\n\n// Try to parse input as a time stamp.\nfunction parseTimeStamp (input) {\n function computeSeconds (h, m, s, f) {\n return (h | 0) * 3600 + (m | 0) * 60 + (s | 0) + (f | 0) / 1000;\n }\n\n let m = input.match(/^(\\d+):(\\d{2})(:\\d{2})?\\.(\\d{3})/);\n if (!m) {\n return null;\n }\n\n if (m[3]) {\n // Timestamp takes the form of [hours]:[minutes]:[seconds].[milliseconds]\n return computeSeconds(m[1], m[2], m[3].replace(':', ''), m[4]);\n } else if (m[1] > 59) {\n // Timestamp takes the form of [hours]:[minutes].[milliseconds]\n // First position is hours as it's over 59.\n return computeSeconds(m[1], m[2], 0, m[4]);\n } else {\n // Timestamp takes the form of [minutes]:[seconds].[milliseconds]\n return computeSeconds(0, m[1], m[2], m[4]);\n }\n}\n\n// A settings object holds key/value pairs and will ignore anything but the first\n// assignment to a specific key.\nfunction Settings () {\n this.values = Object.create(null);\n}\n\nSettings.prototype = {\n // Only accept the first assignment to any key.\n set: function (k, v) {\n if (!this.get(k) && v !== '') {\n this.values[k] = v;\n }\n },\n // Return the value for a key, or a default value.\n // If 'defaultKey' is passed then 'dflt' is assumed to be an object with\n // a number of possible default values as properties where 'defaultKey' is\n // the key of the property that will be chosen; otherwise it's assumed to be\n // a single value.\n get: function (k, dflt, defaultKey) {\n if (defaultKey) {\n return this.has(k) ? this.values[k] : dflt[defaultKey];\n }\n\n return this.has(k) ? this.values[k] : dflt;\n },\n // Check whether we have a value for a key.\n has: function (k) {\n return k in this.values;\n },\n // Accept a setting if its one of the given alternatives.\n alt: function (k, v, a) {\n for (let n = 0; n < a.length; ++n) {\n if (v === a[n]) {\n this.set(k, v);\n break;\n }\n }\n },\n // Accept a setting if its a valid (signed) integer.\n integer: function (k, v) {\n if (/^-?\\d+$/.test(v)) { // integer\n this.set(k, parseInt(v, 10));\n }\n },\n // Accept a setting if its a valid percentage.\n percent: function (k, v) {\n let m;\n if ((m = v.match(/^([\\d]{1,3})(\\.[\\d]*)?%$/))) {\n v = parseFloat(v);\n if (v >= 0 && v <= 100) {\n this.set(k, v);\n return true;\n }\n }\n return false;\n }\n};\n\n// Helper function to parse input into groups separated by 'groupDelim', and\n// interprete each group as a key/value pair separated by 'keyValueDelim'.\nfunction parseOptions (input, callback, keyValueDelim, groupDelim) {\n let groups = groupDelim ? input.split(groupDelim) : [input];\n for (let i in groups) {\n if (typeof groups[i] !== 'string') {\n continue;\n }\n\n let kv = groups[i].split(keyValueDelim);\n if (kv.length !== 2) {\n continue;\n }\n\n let k = kv[0];\n let v = kv[1];\n callback(k, v);\n }\n}\n\nlet defaults = new VTTCue(0, 0, 0);\n// 'middle' was changed to 'center' in the spec: https://github.com/w3c/webvtt/pull/244\n// Safari doesn't yet support this change, but FF and Chrome do.\nlet center = defaults.align === 'middle' ? 'middle' : 'center';\n\nfunction parseCue (input, cue, regionList) {\n // Remember the original input if we need to throw an error.\n let oInput = input;\n // 4.1 WebVTT timestamp\n function consumeTimeStamp () {\n let ts = parseTimeStamp(input);\n if (ts === null) {\n throw new Error('Malformed timestamp: ' + oInput);\n }\n\n // Remove time stamp from input.\n input = input.replace(/^[^\\sa-zA-Z-]+/, '');\n return ts;\n }\n\n // 4.4.2 WebVTT cue settings\n function consumeCueSettings (input, cue) {\n let settings = new Settings();\n\n parseOptions(input, function (k, v) {\n switch (k) {\n case 'region':\n // Find the last region we parsed with the same region id.\n for (let i = regionList.length - 1; i >= 0; i--) {\n if (regionList[i].id === v) {\n settings.set(k, regionList[i].region);\n break;\n }\n }\n break;\n case 'vertical':\n settings.alt(k, v, ['rl', 'lr']);\n break;\n case 'line':\n var vals = v.split(','),\n vals0 = vals[0];\n settings.integer(k, vals0);\n if (settings.percent(k, vals0)) {\n settings.set('snapToLines', false);\n }\n\n settings.alt(k, vals0, ['auto']);\n if (vals.length === 2) {\n settings.alt('lineAlign', vals[1], ['start', center, 'end']);\n }\n\n break;\n case 'position':\n vals = v.split(',');\n settings.percent(k, vals[0]);\n if (vals.length === 2) {\n settings.alt('positionAlign', vals[1], ['start', center, 'end', 'line-left', 'line-right', 'auto']);\n }\n\n break;\n case 'size':\n settings.percent(k, v);\n break;\n case 'align':\n settings.alt(k, v, ['start', center, 'end', 'left', 'right']);\n break;\n }\n }, /:/, /\\s/);\n\n // Apply default values for any missing fields.\n cue.region = settings.get('region', null);\n cue.vertical = settings.get('vertical', '');\n let line = settings.get('line', 'auto');\n if (line === 'auto' && defaults.line === -1) {\n // set numeric line number for Safari\n line = -1;\n }\n cue.line = line;\n cue.lineAlign = settings.get('lineAlign', 'start');\n cue.snapToLines = settings.get('snapToLines', true);\n cue.size = settings.get('size', 100);\n cue.align = settings.get('align', center);\n let position = settings.get('position', 'auto');\n if (position === 'auto' && defaults.position === 50) {\n // set numeric position for Safari\n position = cue.align === 'start' || cue.align === 'left' ? 0 : cue.align === 'end' || cue.align === 'right' ? 100 : 50;\n }\n cue.position = position;\n }\n\n function skipWhitespace () {\n input = input.replace(/^\\s+/, '');\n }\n\n // 4.1 WebVTT cue timings.\n skipWhitespace();\n cue.startTime = consumeTimeStamp(); // (1) collect cue start time\n skipWhitespace();\n if (input.substr(0, 3) !== '-->') { // (3) next characters must match '-->'\n throw new Error('Malformed time stamp (time stamps must be separated by \\'-->\\'): ' +\n oInput);\n }\n input = input.substr(3);\n skipWhitespace();\n cue.endTime = consumeTimeStamp(); // (5) collect cue end time\n\n // 4.1 WebVTT cue settings list.\n skipWhitespace();\n consumeCueSettings(input, cue);\n}\n\nfunction fixLineBreaks (input) {\n return input.replace(/<br(?: \\/)?>/gi, '\\n');\n}\n\nVTTParser.prototype = {\n parse: function (data) {\n let self = this;\n\n // If there is no data then we won't decode it, but will just try to parse\n // whatever is in buffer already. This may occur in circumstances, for\n // example when flush() is called.\n if (data) {\n // Try to decode the data that we received.\n self.buffer += self.decoder.decode(data, { stream: true });\n }\n\n function collectNextLine () {\n let buffer = self.buffer;\n let pos = 0;\n\n buffer = fixLineBreaks(buffer);\n\n while (pos < buffer.length && buffer[pos] !== '\\r' && buffer[pos] !== '\\n') {\n ++pos;\n }\n\n let line = buffer.substr(0, pos);\n // Advance the buffer early in case we fail below.\n if (buffer[pos] === '\\r') {\n ++pos;\n }\n\n if (buffer[pos] === '\\n') {\n ++pos;\n }\n\n self.buffer = buffer.substr(pos);\n return line;\n }\n\n // 3.2 WebVTT metadata header syntax\n function parseHeader (input) {\n parseOptions(input, function (k, v) {\n switch (k) {\n case 'Region':\n // 3.3 WebVTT region metadata header syntax\n // console.log('parse region', v);\n // parseRegion(v);\n break;\n }\n }, /:/);\n }\n\n // 5.1 WebVTT file parsing.\n try {\n let line;\n if (self.state === 'INITIAL') {\n // We can't start parsing until we have the first line.\n if (!/\\r\\n|\\n/.test(self.buffer)) {\n return this;\n }\n\n line = collectNextLine();\n // strip of UTF-8 BOM if any\n // https://en.wikipedia.org/wiki/Byte_order_mark#UTF-8\n let m = line.match(/^()?WEBVTT([ \\t].*)?$/);\n if (!m || !m[0]) {\n throw new Error('Malformed WebVTT signature.');\n }\n\n self.state = 'HEADER';\n }\n\n let alreadyCollectedLine = false;\n while (self.buffer) {\n // We can't parse a line until we have the full line.\n if (!/\\r\\n|\\n/.test(self.buffer)) {\n return this;\n }\n\n if (!alreadyCollectedLine) {\n line = collectNextLine();\n } else {\n alreadyCollectedLine = false;\n }\n\n switch (self.state) {\n case 'HEADER':\n // 13-18 - Allow a header (metadata) under the WEBVTT line.\n if (/:/.test(line)) {\n parseHeader(line);\n } else if (!line) {\n // An empty line terminates the header and starts the body (cues).\n self.state = 'ID';\n }\n continue;\n case 'NOTE':\n // Ignore NOTE blocks.\n if (!line) {\n self.state = 'ID';\n }\n\n continue;\n case 'ID':\n // Check for the start of NOTE blocks.\n if (/^NOTE($|[ \\t])/.test(line)) {\n self.state = 'NOTE';\n break;\n }\n // 19-29 - Allow any number of line terminators, then initialize new cue values.\n if (!line) {\n continue;\n }\n\n self.cue = new VTTCue(0, 0, '');\n self.state = 'CUE';\n // 30-39 - Check if self line contains an optional identifier or timing data.\n if (line.indexOf('-->') === -1) {\n self.cue.id = line;\n continue;\n }\n // Process line as start of a cue.\n /* falls through */\n case 'CUE':\n // 40 - Collect cue timings and settings.\n try {\n parseCue(line, self.cue, self.regionList);\n } catch (e) {\n // In case of an error ignore rest of the cue.\n self.cue = null;\n self.state = 'BADCUE';\n continue;\n }\n self.state = 'CUETEXT';\n continue;\n case 'CUETEXT':\n var hasSubstring = line.indexOf('-->') !== -1;\n // 34 - If we have an empty line then report the cue.\n // 35 - If we have the special substring '-->' then report the cue,\n // but do not collect the line as we need to process the current\n // one as a new cue.\n if (!line || hasSubstring && (alreadyCollectedLine = true)) {\n // We are done parsing self cue.\n if (self.oncue) {\n self.oncue(self.cue);\n }\n\n self.cue = null;\n self.state = 'ID';\n continue;\n }\n if (self.cue.text) {\n self.cue.text += '\\n';\n }\n\n self.cue.text += line;\n continue;\n case 'BADCUE': // BADCUE\n // 54-62 - Collect and discard the remaining cue.\n if (!line) {\n self.state = 'ID';\n }\n\n continue;\n }\n }\n } catch (e) {\n // If we are currently parsing a cue, report what we have.\n if (self.state === 'CUETEXT' && self.cue && self.oncue) {\n self.oncue(self.cue);\n }\n\n self.cue = null;\n // Enter BADWEBVTT state if header was not parsed correctly otherwise\n // another exception occurred so enter BADCUE state.\n self.state = self.state === 'INITIAL' ? 'BADWEBVTT' : 'BADCUE';\n }\n return this;\n },\n flush: function () {\n let self = this;\n try {\n // Finish decoding the stream.\n self.buffer += self.decoder.decode();\n // Synthesize the end of the current cue or region.\n if (self.cue || self.state === 'HEADER') {\n self.buffer += '\\n\\n';\n self.parse();\n }\n // If we've flushed, parsed, and we're still on the INITIAL state then\n // that means we don't have enough of the stream to parse the first\n // line.\n if (self.state === 'INITIAL') {\n throw new Error('Malformed WebVTT signature.');\n }\n } catch (e) {\n throw e;\n }\n if (self.onflush) {\n self.onflush();\n }\n\n return this;\n }\n};\n\nexport { fixLineBreaks };\n\nexport default VTTParser;\n","import { fixLineBreaks } from './vttparser';\nimport { CaptionScreen, Row } from './cea-608-parser';\n\ninterface VTTCue extends TextTrackCue {\n new(start: number, end: number, cueText: string): VTTCue\n line: number\n align: string\n position: number\n}\n\nexport function newCue (track: TextTrack, startTime: number, endTime: number, captionScreen: CaptionScreen) {\n let row: Row;\n // the type data states this is VTTCue, but it can potentially be a TextTrackCue on old browsers\n let cue: VTTCue;\n let indenting: boolean;\n let indent: number;\n let text: string;\n let VTTCue: VTTCue = (window as any).VTTCue as VTTCue || TextTrackCue;\n\n for (let r = 0; r < captionScreen.rows.length; r++) {\n row = captionScreen.rows[r];\n indenting = true;\n indent = 0;\n text = '';\n\n if (!row.isEmpty()) {\n for (let c = 0; c < row.chars.length; c++) {\n if (row.chars[c].uchar.match(/\\s/) && indenting) {\n indent++;\n } else {\n text += row.chars[c].uchar;\n indenting = false;\n }\n }\n // To be used for cleaning-up orphaned roll-up captions\n row.cueStartTime = startTime;\n\n // Give a slight bump to the endTime if it's equal to startTime to avoid a SyntaxError in IE\n if (startTime === endTime) {\n endTime += 0.0001;\n }\n\n cue = new VTTCue(startTime, endTime, fixLineBreaks(text.trim()));\n\n if (indent >= 16) {\n indent--;\n } else {\n indent++;\n }\n\n // VTTCue.line get's flakey when using controls, so let's now include line 13&14\n // also, drop line 1 since it's to close to the top\n if (navigator.userAgent.match(/Firefox\\//)) {\n cue.line = r + 1;\n } else {\n cue.line = (r > 7 ? r - 2 : r + 1);\n }\n\n cue.align = 'left';\n // Clamp the position between 0 and 100 - if out of these bounds, Firefox throws an exception and captions break\n cue.position = Math.max(0, Math.min(100, 100 * (indent / 32)));\n track.addCue(cue);\n }\n }\n}\n","import OutputFilter from './output-filter';\n\n/**\n *\n * This code was ported from the dash.js project at:\n * https://github.com/Dash-Industry-Forum/dash.js/blob/development/externals/cea608-parser.js\n * https://github.com/Dash-Industry-Forum/dash.js/commit/8269b26a761e0853bb21d78780ed945144ecdd4d#diff-71bc295a2d6b6b7093a1d3290d53a4b2\n *\n * The original copyright appears below:\n *\n * The copyright in this software is being made available under the BSD License,\n * included below. This software may be subject to other third party and contributor\n * rights, including patent rights, and no such rights are granted under this license.\n *\n * Copyright (c) 2015-2016, DASH Industry Forum.\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification,\n * are permitted provided that the following conditions are met:\n * 1. Redistributions of source code must retain the above copyright notice, this\n * list of conditions and the following disclaimer.\n * * Redistributions in binary form must reproduce the above copyright notice,\n * this list of conditions and the following disclaimer in the documentation and/or\n * other materials provided with the distribution.\n * 2. Neither the name of Dash Industry Forum nor the names of its\n * contributors may be used to endorse or promote products derived from this software\n * without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY\n * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\n * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,\n * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\n * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\n * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n * POSSIBILITY OF SUCH DAMAGE.\n */\n/**\n * Exceptions from regular ASCII. CodePoints are mapped to UTF-16 codes\n */\n\nlet specialCea608CharsCodes = {\n 0x2a: 0xe1, // lowercase a, acute accent\n 0x5c: 0xe9, // lowercase e, acute accent\n 0x5e: 0xed, // lowercase i, acute accent\n 0x5f: 0xf3, // lowercase o, acute accent\n 0x60: 0xfa, // lowercase u, acute accent\n 0x7b: 0xe7, // lowercase c with cedilla\n 0x7c: 0xf7, // division symbol\n 0x7d: 0xd1, // uppercase N tilde\n 0x7e: 0xf1, // lowercase n tilde\n 0x7f: 0x2588, // Full block\n // THIS BLOCK INCLUDES THE 16 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS\n // THAT COME FROM HI BYTE=0x11 AND LOW BETWEEN 0x30 AND 0x3F\n // THIS MEANS THAT \\x50 MUST BE ADDED TO THE VALUES\n 0x80: 0xae, // Registered symbol (R)\n 0x81: 0xb0, // degree sign\n 0x82: 0xbd, // 1/2 symbol\n 0x83: 0xbf, // Inverted (open) question mark\n 0x84: 0x2122, // Trademark symbol (TM)\n 0x85: 0xa2, // Cents symbol\n 0x86: 0xa3, // Pounds sterling\n 0x87: 0x266a, // Music 8'th note\n 0x88: 0xe0, // lowercase a, grave accent\n 0x89: 0x20, // transparent space (regular)\n 0x8a: 0xe8, // lowercase e, grave accent\n 0x8b: 0xe2, // lowercase a, circumflex accent\n 0x8c: 0xea, // lowercase e, circumflex accent\n 0x8d: 0xee, // lowercase i, circumflex accent\n 0x8e: 0xf4, // lowercase o, circumflex accent\n 0x8f: 0xfb, // lowercase u, circumflex accent\n // THIS BLOCK INCLUDES THE 32 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS\n // THAT COME FROM HI BYTE=0x12 AND LOW BETWEEN 0x20 AND 0x3F\n 0x90: 0xc1, // capital letter A with acute\n 0x91: 0xc9, // capital letter E with acute\n 0x92: 0xd3, // capital letter O with acute\n 0x93: 0xda, // capital letter U with acute\n 0x94: 0xdc, // capital letter U with diaresis\n 0x95: 0xfc, // lowercase letter U with diaeresis\n 0x96: 0x2018, // opening single quote\n 0x97: 0xa1, // inverted exclamation mark\n 0x98: 0x2a, // asterisk\n 0x99: 0x2019, // closing single quote\n 0x9a: 0x2501, // box drawings heavy horizontal\n 0x9b: 0xa9, // copyright sign\n 0x9c: 0x2120, // Service mark\n 0x9d: 0x2022, // (round) bullet\n 0x9e: 0x201c, // Left double quotation mark\n 0x9f: 0x201d, // Right double quotation mark\n 0xa0: 0xc0, // uppercase A, grave accent\n 0xa1: 0xc2, // uppercase A, circumflex\n 0xa2: 0xc7, // uppercase C with cedilla\n 0xa3: 0xc8, // uppercase E, grave accent\n 0xa4: 0xca, // uppercase E, circumflex\n 0xa5: 0xcb, // capital letter E with diaresis\n 0xa6: 0xeb, // lowercase letter e with diaresis\n 0xa7: 0xce, // uppercase I, circumflex\n 0xa8: 0xcf, // uppercase I, with diaresis\n 0xa9: 0xef, // lowercase i, with diaresis\n 0xaa: 0xd4, // uppercase O, circumflex\n 0xab: 0xd9, // uppercase U, grave accent\n 0xac: 0xf9, // lowercase u, grave accent\n 0xad: 0xdb, // uppercase U, circumflex\n 0xae: 0xab, // left-pointing double angle quotation mark\n 0xaf: 0xbb, // right-pointing double angle quotation mark\n // THIS BLOCK INCLUDES THE 32 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS\n // THAT COME FROM HI BYTE=0x13 AND LOW BETWEEN 0x20 AND 0x3F\n 0xb0: 0xc3, // Uppercase A, tilde\n 0xb1: 0xe3, // Lowercase a, tilde\n 0xb2: 0xcd, // Uppercase I, acute accent\n 0xb3: 0xcc, // Uppercase I, grave accent\n 0xb4: 0xec, // Lowercase i, grave accent\n 0xb5: 0xd2, // Uppercase O, grave accent\n 0xb6: 0xf2, // Lowercase o, grave accent\n 0xb7: 0xd5, // Uppercase O, tilde\n 0xb8: 0xf5, // Lowercase o, tilde\n 0xb9: 0x7b, // Open curly brace\n 0xba: 0x7d, // Closing curly brace\n 0xbb: 0x5c, // Backslash\n 0xbc: 0x5e, // Caret\n 0xbd: 0x5f, // Underscore\n 0xbe: 0x7c, // Pipe (vertical line)\n 0xbf: 0x223c, // Tilde operator\n 0xc0: 0xc4, // Uppercase A, umlaut\n 0xc1: 0xe4, // Lowercase A, umlaut\n 0xc2: 0xd6, // Uppercase O, umlaut\n 0xc3: 0xf6, // Lowercase o, umlaut\n 0xc4: 0xdf, // Esszett (sharp S)\n 0xc5: 0xa5, // Yen symbol\n 0xc6: 0xa4, // Generic currency sign\n 0xc7: 0x2503, // Box drawings heavy vertical\n 0xc8: 0xc5, // Uppercase A, ring\n 0xc9: 0xe5, // Lowercase A, ring\n 0xca: 0xd8, // Uppercase O, stroke\n 0xcb: 0xf8, // Lowercase o, strok\n 0xcc: 0x250f, // Box drawings heavy down and right\n 0xcd: 0x2513, // Box drawings heavy down and left\n 0xce: 0x2517, // Box drawings heavy up and right\n 0xcf: 0x251b // Box drawings heavy up and left\n};\n\n/**\n * Utils\n */\nlet getCharForByte = function (byte: number) {\n let charCode = byte;\n if (specialCea608CharsCodes.hasOwnProperty(byte)) {\n charCode = specialCea608CharsCodes[byte];\n }\n\n return String.fromCharCode(charCode);\n};\n\nlet NR_ROWS = 15,\n NR_COLS = 100;\n// Tables to look up row from PAC data\nlet rowsLowCh1 = { 0x11: 1, 0x12: 3, 0x15: 5, 0x16: 7, 0x17: 9, 0x10: 11, 0x13: 12, 0x14: 14 };\nlet rowsHighCh1 = { 0x11: 2, 0x12: 4, 0x15: 6, 0x16: 8, 0x17: 10, 0x13: 13, 0x14: 15 };\nlet rowsLowCh2 = { 0x19: 1, 0x1A: 3, 0x1D: 5, 0x1E: 7, 0x1F: 9, 0x18: 11, 0x1B: 12, 0x1C: 14 };\nlet rowsHighCh2 = { 0x19: 2, 0x1A: 4, 0x1D: 6, 0x1E: 8, 0x1F: 10, 0x1B: 13, 0x1C: 15 };\n\nlet backgroundColors = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta', 'black', 'transparent'];\n\nenum VerboseFilter {\n ERROR = 0,\n TEXT = 1,\n WARNING = 2,\n INFO = 2,\n DEBUG = 3,\n DATA = 3,\n}\n\n/**\n * Simple logger class to be able to write with time-stamps and filter on level.\n */\nlet logger: {\n verboseFilter: {\n 'DATA': VerboseFilter.DATA;\n 'DEBUG': VerboseFilter.DEBUG;\n 'INFO': VerboseFilter.INFO;\n 'WARNING': VerboseFilter.WARNING;\n 'TEXT': VerboseFilter.TEXT;\n 'ERROR': VerboseFilter.ERROR;\n },\n time: number | null\n verboseLevel: VerboseFilter,\n setTime: (newTime: number | null) => void,\n log: (severity: keyof typeof VerboseFilter, msg: string) => void,\n} = {\n verboseFilter: { 'DATA': 3, 'DEBUG': 3, 'INFO': 2, 'WARNING': 2, 'TEXT': 1, 'ERROR': 0 },\n time: null,\n verboseLevel: 0, // Only write errors\n setTime: function (newTime) {\n this.time = newTime;\n },\n log: function (severity, msg) {\n let minLevel = this.verboseFilter[severity];\n if (this.verboseLevel >= minLevel) {\n // console.log(this.time + ' [' + severity + '] ' + msg);\n }\n }\n};\n\nlet numArrayToHexArray = function (numArray: number[]): string[] {\n let hexArray: string[] = [];\n for (let j = 0; j < numArray.length; j++) {\n hexArray.push(numArray[j].toString(16));\n }\n\n return hexArray;\n};\n\ntype PenStyles = {\n foreground: string | null,\n underline: boolean,\n italics: boolean,\n background: string,\n flash: boolean,\n};\n\nclass PenState {\n public foreground: string;\n public underline: boolean;\n public italics: boolean;\n public background: string;\n public flash: boolean;\n\n constructor (foreground?: string, underline?: boolean, italics?: boolean, background?: string, flash?: boolean) {\n this.foreground = foreground || 'white';\n this.underline = underline || false;\n this.italics = italics || false;\n this.background = background || 'black';\n this.flash = flash || false;\n }\n\n reset () {\n this.foreground = 'white';\n this.underline = false;\n this.italics = false;\n this.background = 'black';\n this.flash = false;\n }\n\n setStyles (styles: Partial<PenStyles>) {\n let attribs = ['foreground', 'underline', 'italics', 'background', 'flash'];\n for (let i = 0; i < attribs.length; i++) {\n let style = attribs[i];\n if (styles.hasOwnProperty(style)) {\n this[style] = styles[style];\n }\n }\n }\n\n isDefault () {\n return (this.foreground === 'white' && !this.underline && !this.italics &&\n this.background === 'black' && !this.flash);\n }\n\n equals (other: PenState) {\n return ((this.foreground === other.foreground) &&\n (this.underline === other.underline) &&\n (this.italics === other.italics) &&\n (this.background === other.background) &&\n (this.flash === other.flash));\n }\n\n copy (newPenState: PenState) {\n this.foreground = newPenState.foreground;\n this.underline = newPenState.underline;\n this.italics = newPenState.italics;\n this.background = newPenState.background;\n this.flash = newPenState.flash;\n }\n\n toString (): string {\n return ('color=' + this.foreground + ', underline=' + this.underline + ', italics=' + this.italics +\n ', background=' + this.background + ', flash=' + this.flash);\n }\n}\n\n/**\n * Unicode character with styling and background.\n * @constructor\n */\nclass StyledUnicodeChar {\n uchar: string;\n penState: PenState;\n constructor (uchar?: string, foreground?: string, underline?: boolean, italics?: boolean, background?: string, flash?: boolean) {\n this.uchar = uchar || ' '; // unicode character\n this.penState = new PenState(foreground, underline, italics, background, flash);\n }\n\n reset () {\n this.uchar = ' ';\n this.penState.reset();\n }\n\n setChar (uchar: string, newPenState: PenState) {\n this.uchar = uchar;\n this.penState.copy(newPenState);\n }\n\n setPenState (newPenState: PenState) {\n this.penState.copy(newPenState);\n }\n\n equals (other: StyledUnicodeChar) {\n return this.uchar === other.uchar && this.penState.equals(other.penState);\n }\n\n copy (newChar: StyledUnicodeChar) {\n this.uchar = newChar.uchar;\n this.penState.copy(newChar.penState);\n }\n\n isEmpty (): boolean {\n return this.uchar === ' ' && this.penState.isDefault();\n }\n}\n\n/**\n * CEA-608 row consisting of NR_COLS instances of StyledUnicodeChar.\n * @constructor\n */\nexport class Row {\n public chars: StyledUnicodeChar[];\n public pos: number;\n public currPenState: PenState;\n public cueStartTime?: number;\n constructor () {\n this.chars = [];\n for (let i = 0; i < NR_COLS; i++) {\n this.chars.push(new StyledUnicodeChar());\n }\n\n this.pos = 0;\n this.currPenState = new PenState();\n }\n\n equals (other: Row) {\n let equal = true;\n for (let i = 0; i < NR_COLS; i++) {\n if (!this.chars[i].equals(other.chars[i])) {\n equal = false;\n break;\n }\n }\n return equal;\n }\n\n copy (other: Row) {\n for (let i = 0; i < NR_COLS; i++) {\n this.chars[i].copy(other.chars[i]);\n }\n }\n\n isEmpty (): boolean {\n let empty = true;\n for (let i = 0; i < NR_COLS; i++) {\n if (!this.chars[i].isEmpty()) {\n empty = false;\n break;\n }\n }\n return empty;\n }\n\n /**\n * Set the cursor to a valid column.\n */\n setCursor (absPos: number) {\n if (this.pos !== absPos) {\n this.pos = absPos;\n }\n\n if (this.pos < 0) {\n logger.log('ERROR', 'Negative cursor position ' + this.pos);\n this.pos = 0;\n } else if (this.pos > NR_COLS) {\n logger.log('ERROR', 'Too large cursor position ' + this.pos);\n this.pos = NR_COLS;\n }\n }\n\n /**\n * Move the cursor relative to current position.\n */\n moveCursor (relPos: number) {\n let newPos = this.pos + relPos;\n if (relPos > 1) {\n for (let i = this.pos + 1; i < newPos + 1; i++) {\n this.chars[i].setPenState(this.currPenState);\n }\n }\n this.setCursor(newPos);\n }\n\n /**\n * Backspace, move one step back and clear character.\n */\n backSpace () {\n this.moveCursor(-1);\n this.chars[this.pos].setChar(' ', this.currPenState);\n }\n\n insertChar (byte: number) {\n if (byte >= 0x90) { // Extended char\n this.backSpace();\n }\n let char = getCharForByte(byte);\n if (this.pos >= NR_COLS) {\n logger.log('ERROR', 'Cannot insert ' + byte.toString(16) +\n ' (' + char + ') at position ' + this.pos + '. Skipping it!');\n return;\n }\n this.chars[this.pos].setChar(char, this.currPenState);\n this.moveCursor(1);\n }\n\n clearFromPos (startPos: number) {\n let i: number;\n for (i = startPos; i < NR_COLS; i++) {\n this.chars[i].reset();\n }\n }\n\n clear () {\n this.clearFromPos(0);\n this.pos = 0;\n this.currPenState.reset();\n }\n\n clearToEndOfRow () {\n this.clearFromPos(this.pos);\n }\n\n getTextString () {\n let chars: string[] = [];\n let empty = true;\n for (let i = 0; i < NR_COLS; i++) {\n let char = this.chars[i].uchar;\n if (char !== ' ') {\n empty = false;\n }\n\n chars.push(char);\n }\n if (empty) {\n return '';\n } else {\n return chars.join('');\n }\n }\n\n setPenStyles (styles: Partial<PenStyles>) {\n this.currPenState.setStyles(styles);\n let currChar = this.chars[this.pos];\n currChar.setPenState(this.currPenState);\n }\n}\n\n/**\n * Keep a CEA-608 screen of 32x15 styled characters\n * @constructor\n*/\nexport class CaptionScreen {\n rows: Row[];\n currRow: number;\n nrRollUpRows: number | null;\n lastOutputScreen: any;\n constructor () {\n this.rows = [];\n for (let i = 0; i < NR_ROWS; i++) {\n this.rows.push(new Row());\n } // Note that we use zero-based numbering (0-14)\n\n this.currRow = NR_ROWS - 1;\n this.nrRollUpRows = null;\n this.reset();\n }\n\n reset () {\n for (let i = 0; i < NR_ROWS; i++) {\n this.rows[i].clear();\n }\n\n this.currRow = NR_ROWS - 1;\n }\n\n equals (other: CaptionScreen): boolean {\n let equal = true;\n for (let i = 0; i < NR_ROWS; i++) {\n if (!this.rows[i].equals(other.rows[i])) {\n equal = false;\n break;\n }\n }\n return equal;\n }\n\n copy (other: CaptionScreen) {\n for (let i = 0; i < NR_ROWS; i++) {\n this.rows[i].copy(other.rows[i]);\n }\n }\n\n isEmpty (): boolean {\n let empty = true;\n for (let i = 0; i < NR_ROWS; i++) {\n if (!this.rows[i].isEmpty()) {\n empty = false;\n break;\n }\n }\n return empty;\n }\n\n backSpace () {\n let row = this.rows[this.currRow];\n row.backSpace();\n }\n\n clearToEndOfRow () {\n let row = this.rows[this.currRow];\n row.clearToEndOfRow();\n }\n\n /**\n * Insert a character (without styling) in the current row.\n */\n insertChar (char: number) {\n let row = this.rows[this.currRow];\n row.insertChar(char);\n }\n\n setPen (styles: Partial<PenStyles>) {\n let row = this.rows[this.currRow];\n row.setPenStyles(styles);\n }\n\n moveCursor (relPos: number) {\n let row = this.rows[this.currRow];\n row.moveCursor(relPos);\n }\n\n setCursor (absPos: number) {\n logger.log('INFO', 'setCursor: ' + absPos);\n let row = this.rows[this.currRow];\n row.setCursor(absPos);\n }\n\n setPAC (pacData: PACData) {\n logger.log('INFO', 'pacData = ' + JSON.stringify(pacData));\n let newRow = pacData.row - 1;\n if (this.nrRollUpRows && newRow < this.nrRollUpRows - 1) {\n newRow = this.nrRollUpRows - 1;\n }\n\n // Make sure this only affects Roll-up Captions by checking this.nrRollUpRows\n if (this.nrRollUpRows && this.currRow !== newRow) {\n // clear all rows first\n for (let i = 0; i < NR_ROWS; i++) {\n this.rows[i].clear();\n }\n\n // Copy this.nrRollUpRows rows from lastOutputScreen and place it in the newRow location\n // topRowIndex - the start of rows to copy (inclusive index)\n let topRowIndex = this.currRow + 1 - (this.nrRollUpRows);\n // We only copy if the last position was already shown.\n // We use the cueStartTime value to check this.\n const lastOutputScreen = this.lastOutputScreen as any;\n if (lastOutputScreen) {\n let prevLineTime = lastOutputScreen.rows[topRowIndex].cueStartTime;\n if (prevLineTime && logger.time && prevLineTime < logger.time) {\n for (let i = 0; i < this.nrRollUpRows; i++) {\n this.rows[newRow - this.nrRollUpRows + i + 1].copy(lastOutputScreen.rows[topRowIndex + i]);\n }\n }\n }\n }\n\n this.currRow = newRow;\n let row = this.rows[this.currRow];\n if (pacData.indent !== null) {\n let indent = pacData.indent;\n let prevPos = Math.max(indent - 1, 0);\n row.setCursor(pacData.indent);\n pacData.color = row.chars[prevPos].penState.foreground;\n }\n let styles: PenStyles = { foreground: pacData.color, underline: pacData.underline, italics: pacData.italics, background: 'black', flash: false };\n this.setPen(styles);\n }\n\n /**\n * Set background/extra foreground, but first do back_space, and then insert space (backwards compatibility).\n */\n setBkgData (bkgData: Partial<PenStyles>) {\n logger.log('INFO', 'bkgData = ' + JSON.stringify(bkgData));\n this.backSpace();\n this.setPen(bkgData);\n this.insertChar(0x20); // Space\n }\n\n setRollUpRows (nrRows: number | null) {\n this.nrRollUpRows = nrRows;\n }\n\n rollUp () {\n if (this.nrRollUpRows === null) {\n logger.log('DEBUG', 'roll_up but nrRollUpRows not set yet');\n return; // Not properly setup\n }\n logger.log('TEXT', this.getDisplayText());\n let topRowIndex = this.currRow + 1 - this.nrRollUpRows;\n let topRow = this.rows.splice(topRowIndex, 1)[0];\n topRow.clear();\n this.rows.splice(this.currRow, 0, topRow);\n logger.log('INFO', 'Rolling up');\n // logger.log('TEXT', this.get_display_text())\n }\n\n /**\n * Get all non-empty rows with as unicode text.\n */\n getDisplayText (asOneRow?: boolean) {\n asOneRow = asOneRow || false;\n let displayText: string[] = [];\n let text = '';\n let rowNr = -1;\n for (let i = 0; i < NR_ROWS; i++) {\n let rowText = this.rows[i].getTextString();\n if (rowText) {\n rowNr = i + 1;\n if (asOneRow) {\n displayText.push('Row ' + rowNr + ': \\'' + rowText + '\\'');\n } else {\n displayText.push(rowText.trim());\n }\n }\n }\n if (displayText.length > 0) {\n if (asOneRow) {\n text = '[' + displayText.join(' | ') + ']';\n } else {\n text = displayText.join('\\n');\n }\n }\n return text;\n }\n\n getTextAndFormat () {\n return this.rows;\n }\n}\n\n// var modes = ['MODE_ROLL-UP', 'MODE_POP-ON', 'MODE_PAINT-ON', 'MODE_TEXT'];\n\ntype CaptionModes = 'MODE_ROLL-UP' | 'MODE_POP-ON' | 'MODE_PAINT-ON' | 'MODE_TEXT' | null;\n\nclass Cea608Channel {\n chNr: number;\n outputFilter: OutputFilter;\n mode: CaptionModes;\n verbose: number;\n displayedMemory: CaptionScreen;\n nonDisplayedMemory: CaptionScreen;\n lastOutputScreen: CaptionScreen;\n currRollUpRow: Row;\n writeScreen: CaptionScreen;\n cueStartTime: number | null;\n lastCueEndTime: null;\n constructor (channelNumber: number, outputFilter: OutputFilter) {\n this.chNr = channelNumber;\n this.outputFilter = outputFilter;\n this.mode = null;\n this.verbose = 0;\n this.displayedMemory = new CaptionScreen();\n this.nonDisplayedMemory = new CaptionScreen();\n this.lastOutputScreen = new CaptionScreen();\n this.currRollUpRow = this.displayedMemory.rows[NR_ROWS - 1];\n this.writeScreen = this.displayedMemory;\n this.mode = null;\n this.cueStartTime = null; // Keeps track of where a cue started.\n }\n\n reset () {\n this.mode = null;\n this.displayedMemory.reset();\n this.nonDisplayedMemory.reset();\n this.lastOutputScreen.reset();\n this.currRollUpRow = this.displayedMemory.rows[NR_ROWS - 1];\n this.writeScreen = this.displayedMemory;\n this.mode = null;\n this.cueStartTime = null;\n }\n\n getHandler (): OutputFilter {\n return this.outputFilter;\n }\n\n setHandler (newHandler: OutputFilter) {\n this.outputFilter = newHandler;\n }\n\n setPAC (pacData: PACData) {\n this.writeScreen.setPAC(pacData);\n }\n\n setBkgData (bkgData: Partial<PenStyles>) {\n this.writeScreen.setBkgData(bkgData);\n }\n\n setMode (newMode: CaptionModes) {\n if (newMode === this.mode) {\n return;\n }\n\n this.mode = newMode;\n logger.log('INFO', 'MODE=' + newMode);\n if (this.mode === 'MODE_POP-ON') {\n this.writeScreen = this.nonDisplayedMemory;\n } else {\n this.writeScreen = this.displayedMemory;\n this.writeScreen.reset();\n }\n if (this.mode !== 'MODE_ROLL-UP') {\n this.displayedMemory.nrRollUpRows = null;\n this.nonDisplayedMemory.nrRollUpRows = null;\n }\n this.mode = newMode;\n }\n\n insertChars (chars: number[]) {\n for (let i = 0; i < chars.length; i++) {\n this.writeScreen.insertChar(chars[i]);\n }\n\n let screen = this.writeScreen === this.displayedMemory ? 'DISP' : 'NON_DISP';\n logger.log('INFO', screen + ': ' + this.writeScreen.getDisplayText(true));\n if (this.mode === 'MODE_PAINT-ON' || this.mode === 'MODE_ROLL-UP') {\n logger.log('TEXT', 'DISPLAYED: ' + this.displayedMemory.getDisplayText(true));\n this.outputDataUpdate();\n }\n }\n\n ccRCL () { // Resume Caption Loading (switch mode to Pop On)\n logger.log('INFO', 'RCL - Resume Caption Loading');\n this.setMode('MODE_POP-ON');\n }\n\n ccBS () { // BackSpace\n logger.log('INFO', 'BS - BackSpace');\n if (this.mode === 'MODE_TEXT') {\n return;\n }\n\n this.writeScreen.backSpace();\n if (this.writeScreen === this.displayedMemory) {\n this.outputDataUpdate();\n }\n }\n\n ccAOF () { // Reserved (formerly Alarm Off)\n\n }\n\n ccAON () { // Reserved (formerly Alarm On)\n\n }\n\n ccDER () { // Delete to End of Row\n logger.log('INFO', 'DER- Delete to End of Row');\n this.writeScreen.clearToEndOfRow();\n this.outputDataUpdate();\n }\n\n ccRU (nrRows: number | null) { // Roll-Up Captions-2,3,or 4 Rows\n logger.log('INFO', 'RU(' + nrRows + ') - Roll Up');\n this.writeScreen = this.displayedMemory;\n this.setMode('MODE_ROLL-UP');\n this.writeScreen.setRollUpRows(nrRows);\n }\n\n ccFON () { // Flash On\n logger.log('INFO', 'FON - Flash On');\n this.writeScreen.setPen({ flash: true });\n }\n\n ccRDC () { // Resume Direct Captioning (switch mode to PaintOn)\n logger.log('INFO', 'RDC - Resume Direct Captioning');\n this.setMode('MODE_PAINT-ON');\n }\n\n ccTR () { // Text Restart in text mode (not supported, however)\n logger.log('INFO', 'TR');\n this.setMode('MODE_TEXT');\n }\n\n ccRTD () { // Resume Text Display in Text mode (not supported, however)\n logger.log('INFO', 'RTD');\n this.setMode('MODE_TEXT');\n }\n\n ccEDM () { // Erase Displayed Memory\n logger.log('INFO', 'EDM - Erase Displayed Memory');\n this.displayedMemory.reset();\n this.outputDataUpdate(true);\n }\n\n ccCR () { // Carriage Return\n logger.log('INFO', 'CR - Carriage Return');\n this.writeScreen.rollUp();\n this.outputDataUpdate(true);\n }\n\n ccENM () { // Erase Non-Displayed Memory\n logger.log('INFO', 'ENM - Erase Non-displayed Memory');\n this.nonDisplayedMemory.reset();\n }\n\n ccEOC () { // End of Caption (Flip Memories)\n logger.log('INFO', 'EOC - End Of Caption');\n if (this.mode === 'MODE_POP-ON') {\n let tmp = this.displayedMemory;\n this.displayedMemory = this.nonDisplayedMemory;\n this.nonDisplayedMemory = tmp;\n this.writeScreen = this.nonDisplayedMemory;\n logger.log('TEXT', 'DISP: ' + this.displayedMemory.getDisplayText());\n }\n this.outputDataUpdate(true);\n }\n\n ccTO (nrCols: number) { // Tab Offset 1,2, or 3 columns\n logger.log('INFO', 'TO(' + nrCols + ') - Tab Offset');\n this.writeScreen.moveCursor(nrCols);\n }\n\n ccMIDROW (secondByte: number) { // Parse MIDROW command\n let styles: Partial<PenStyles> = { flash: false };\n styles.underline = secondByte % 2 === 1;\n styles.italics = secondByte >= 0x2e;\n if (!styles.italics) {\n let colorIndex = Math.floor(secondByte / 2) - 0x10;\n let colors = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta'];\n styles.foreground = colors[colorIndex];\n } else {\n styles.foreground = 'white';\n }\n logger.log('INFO', 'MIDROW: ' + JSON.stringify(styles));\n this.writeScreen.setPen(styles);\n }\n\n outputDataUpdate (dispatch = false) {\n let t = logger.time;\n if (t === null) {\n return;\n }\n\n if (this.outputFilter) {\n if (this.cueStartTime === null && !this.displayedMemory.isEmpty()) { // Start of a new cue\n this.cueStartTime = t;\n } else {\n if (!this.displayedMemory.equals(this.lastOutputScreen)) {\n this.outputFilter.newCue(this.cueStartTime!, t, this.lastOutputScreen);\n if (dispatch && this.outputFilter.dispatchCue) {\n this.outputFilter.dispatchCue();\n }\n\n this.cueStartTime = this.displayedMemory.isEmpty() ? null : t;\n }\n }\n this.lastOutputScreen.copy(this.displayedMemory);\n }\n }\n\n cueSplitAtTime (t: number) {\n if (this.outputFilter) {\n if (!this.displayedMemory.isEmpty()) {\n if (this.outputFilter.newCue) {\n this.outputFilter.newCue(this.cueStartTime!, t, this.displayedMemory);\n }\n\n this.cueStartTime = t;\n }\n }\n }\n}\n\ninterface PACData {\n row: number;\n indent: number | null;\n color: string | null;\n underline: boolean;\n italics: boolean;\n}\n\nclass Cea608Parser {\n field: number;\n outputs: OutputFilter[];\n channels: Cea608Channel[];\n currChNr: number;\n lastCmdA: number | null;\n lastCmdB: number | null;\n lastTime: number | null;\n dataCounters: { 'padding': number; 'char': number; 'cmd': number; 'other': number; };\n constructor (field: number, out1: OutputFilter, out2: OutputFilter) {\n this.field = field || 1;\n this.outputs = [out1, out2];\n this.channels = [new Cea608Channel(1, out1), new Cea608Channel(2, out2)];\n this.currChNr = -1; // Will be 1 or 2\n this.lastCmdA = null; // First byte of last command\n this.lastCmdB = null; // Second byte of last command\n this.lastTime = null;\n this.dataCounters = { 'padding': 0, 'char': 0, 'cmd': 0, 'other': 0 };\n }\n\n getHandler (index: number) {\n return this.channels[index].getHandler();\n }\n\n setHandler (index: number, newHandler: OutputFilter) {\n this.channels[index].setHandler(newHandler);\n }\n\n /**\n * Add data for time t in forms of list of bytes (unsigned ints). The bytes are treated as pairs.\n */\n addData (t: number | null, byteList: number[]) {\n let cmdFound: boolean, a: number, b: number,\n charsFound: number[] | boolean | null = false;\n\n this.lastTime = t;\n logger.setTime(t);\n\n for (let i = 0; i < byteList.length; i += 2) {\n a = byteList[i] & 0x7f;\n b = byteList[i + 1] & 0x7f;\n if (a === 0 && b === 0) {\n this.dataCounters.padding += 2;\n continue;\n } else {\n logger.log('DATA', '[' + numArrayToHexArray([byteList[i], byteList[i + 1]]) + '] -> (' + numArrayToHexArray([a, b]) + ')');\n }\n cmdFound = this.parseCmd(a, b);\n if (!cmdFound) {\n cmdFound = this.parseMidrow(a, b);\n }\n\n if (!cmdFound) {\n cmdFound = this.parsePAC(a, b);\n }\n\n if (!cmdFound) {\n cmdFound = this.parseBackgroundAttributes(a, b);\n }\n\n if (!cmdFound) {\n charsFound = this.parseChars(a, b);\n if (charsFound) {\n if (this.currChNr && this.currChNr >= 0) {\n let channel = this.channels[this.currChNr - 1];\n channel.insertChars(charsFound);\n } else {\n logger.log('WARNING', 'No channel found yet. TEXT-MODE?');\n }\n }\n }\n if (cmdFound) {\n this.dataCounters.cmd += 2;\n } else if (charsFound) {\n this.dataCounters.char += 2;\n } else {\n this.dataCounters.other += 2;\n logger.log('WARNING', 'Couldn\\'t parse cleaned data ' + numArrayToHexArray([a, b]) +\n ' orig: ' + numArrayToHexArray([byteList[i], byteList[i + 1]]));\n }\n }\n }\n\n /**\n * Parse Command.\n * @returns {Boolean} Tells if a command was found\n */\n parseCmd (a: number, b: number): boolean {\n let chNr: number | null = null;\n\n let cond1 = (a === 0x14 || a === 0x1C) && (b >= 0x20 && b <= 0x2F);\n let cond2 = (a === 0x17 || a === 0x1F) && (b >= 0x21 && b <= 0x23);\n if (!(cond1 || cond2)) {\n return false;\n }\n\n if (a === this.lastCmdA && b === this.lastCmdB) {\n this.lastCmdA = null;\n this.lastCmdB = null; // Repeated commands are dropped (once)\n logger.log('DEBUG', 'Repeated command (' + numArrayToHexArray([a, b]) + ') is dropped');\n return true;\n }\n\n if (a === 0x14 || a === 0x17) {\n chNr = 1;\n } else {\n chNr = 2;\n } // (a === 0x1C || a=== 0x1f)\n\n let channel = this.channels[chNr - 1];\n\n if (a === 0x14 || a === 0x1C) {\n if (b === 0x20) {\n channel.ccRCL();\n } else if (b === 0x21) {\n channel.ccBS();\n } else if (b === 0x22) {\n channel.ccAOF();\n } else if (b === 0x23) {\n channel.ccAON();\n } else if (b === 0x24) {\n channel.ccDER();\n } else if (b === 0x25) {\n channel.ccRU(2);\n } else if (b === 0x26) {\n channel.ccRU(3);\n } else if (b === 0x27) {\n channel.ccRU(4);\n } else if (b === 0x28) {\n channel.ccFON();\n } else if (b === 0x29) {\n channel.ccRDC();\n } else if (b === 0x2A) {\n channel.ccTR();\n } else if (b === 0x2B) {\n channel.ccRTD();\n } else if (b === 0x2C) {\n channel.ccEDM();\n } else if (b === 0x2D) {\n channel.ccCR();\n } else if (b === 0x2E) {\n channel.ccENM();\n } else if (b === 0x2F) {\n channel.ccEOC();\n }\n } else { // a == 0x17 || a == 0x1F\n channel.ccTO(b - 0x20);\n }\n this.lastCmdA = a;\n this.lastCmdB = b;\n this.currChNr = chNr;\n return true;\n }\n\n /**\n * Parse midrow styling command\n * @returns {Boolean}\n */\n parseMidrow (a: number, b: number): boolean {\n let chNr: number | null = null;\n\n if (((a === 0x11) || (a === 0x19)) && b >= 0x20 && b <= 0x2f) {\n if (a === 0x11) {\n chNr = 1;\n } else {\n chNr = 2;\n }\n\n if (chNr !== this.currChNr) {\n logger.log('ERROR', 'Mismatch channel in midrow parsing');\n return false;\n }\n let channel = this.channels[chNr - 1];\n channel.ccMIDROW(b);\n logger.log('DEBUG', 'MIDROW (' + numArrayToHexArray([a, b]) + ')');\n return true;\n }\n return false;\n }\n /**\n * Parse Preable Access Codes (Table 53).\n * @returns {Boolean} Tells if PAC found\n */\n parsePAC (a: number, b: number): boolean {\n let chNr: number | null = null;\n let row: number | null = null;\n\n let case1 = ((a >= 0x11 && a <= 0x17) || (a >= 0x19 && a <= 0x1F)) && (b >= 0x40 && b <= 0x7F);\n let case2 = (a === 0x10 || a === 0x18) && (b >= 0x40 && b <= 0x5F);\n if (!(case1 || case2)) {\n return false;\n }\n\n if (a === this.lastCmdA && b === this.lastCmdB) {\n this.lastCmdA = null;\n this.lastCmdB = null;\n return true; // Repeated commands are dropped (once)\n }\n\n chNr = (a <= 0x17) ? 1 : 2;\n\n if (b >= 0x40 && b <= 0x5F) {\n row = (chNr === 1) ? rowsLowCh1[a] : rowsLowCh2[a];\n } else { // 0x60 <= b <= 0x7F\n row = (chNr === 1) ? rowsHighCh1[a] : rowsHighCh2[a];\n }\n let pacData = this.interpretPAC(row!, b);\n let channel = this.channels[chNr - 1];\n channel.setPAC(pacData);\n this.lastCmdA = a;\n this.lastCmdB = b;\n this.currChNr = chNr;\n return true;\n }\n\n /**\n * Interpret the second byte of the pac, and return the information.\n * @returns {Object} pacData with style parameters.\n */\n interpretPAC (row: number, byte: number): PACData {\n let pacIndex = byte;\n let pacData: PACData = { color: null, italics: false, indent: null, underline: false, row: row };\n\n if (byte > 0x5F) {\n pacIndex = byte - 0x60;\n } else {\n pacIndex = byte - 0x40;\n }\n\n pacData.underline = (pacIndex & 1) === 1;\n if (pacIndex <= 0xd) {\n pacData.color = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta', 'white'][Math.floor(pacIndex / 2)];\n } else if (pacIndex <= 0xf) {\n pacData.italics = true;\n pacData.color = 'white';\n } else {\n pacData.indent = (Math.floor((pacIndex - 0x10) / 2)) * 4;\n }\n return pacData; // Note that row has zero offset. The spec uses 1.\n }\n\n /**\n * Parse characters.\n * @returns An array with 1 to 2 codes corresponding to chars, if found. null otherwise.\n */\n parseChars (a: number, b: number): number[] | null {\n let channelNr: number | null = null,\n charCodes: number[] | null = null,\n charCode1: number | null = null;\n\n if (a >= 0x19) {\n channelNr = 2;\n charCode1 = a - 8;\n } else {\n channelNr = 1;\n charCode1 = a;\n }\n if (charCode1 >= 0x11 && charCode1 <= 0x13) {\n // Special character\n let oneCode = b;\n if (charCode1 === 0x11) {\n oneCode = b + 0x50;\n } else if (charCode1 === 0x12) {\n oneCode = b + 0x70;\n } else {\n oneCode = b + 0x90;\n }\n\n logger.log('INFO', 'Special char \\'' + getCharForByte(oneCode) + '\\' in channel ' + channelNr);\n charCodes = [oneCode];\n } else if (a >= 0x20 && a <= 0x7f) {\n charCodes = (b === 0) ? [a] : [a, b];\n }\n if (charCodes) {\n let hexCodes = numArrayToHexArray(charCodes);\n logger.log('DEBUG', 'Char codes = ' + hexCodes.join(','));\n this.lastCmdA = null;\n this.lastCmdB = null;\n }\n return charCodes;\n }\n\n /**\n * Parse extended background attributes as well as new foreground color black.\n * @returns {Boolean} Tells if background attributes are found\n */\n parseBackgroundAttributes (a: number, b: number): boolean {\n let bkgData: Partial<PenStyles>,\n index: number,\n chNr: number,\n channel: Cea608Channel;\n\n let case1 = (a === 0x10 || a === 0x18) && (b >= 0x20 && b <= 0x2f);\n let case2 = (a === 0x17 || a === 0x1f) && (b >= 0x2d && b <= 0x2f);\n if (!(case1 || case2)) {\n return false;\n }\n\n bkgData = {};\n if (a === 0x10 || a === 0x18) {\n index = Math.floor((b - 0x20) / 2);\n bkgData.background = backgroundColors[index];\n if (b % 2 === 1) {\n bkgData.background = bkgData.background + '_semi';\n }\n } else if (b === 0x2d) {\n bkgData.background = 'transparent';\n } else {\n bkgData.foreground = 'black';\n if (b === 0x2f) {\n bkgData.underline = true;\n }\n }\n chNr = (a < 0x18) ? 1 : 2;\n channel = this.channels[chNr - 1];\n channel.setBkgData(bkgData);\n this.lastCmdA = null;\n this.lastCmdB = null;\n return true;\n }\n\n /**\n * Reset state of parser and its channels.\n */\n reset () {\n for (let i = 0; i < this.channels.length; i++) {\n if (this.channels[i]) {\n this.channels[i].reset();\n }\n }\n this.lastCmdA = null;\n this.lastCmdB = null;\n }\n\n /**\n * Trigger the generation of a cue, and the start of a new one if displayScreens are not empty.\n */\n cueSplitAtTime (t: number) {\n for (let i = 0; i < this.channels.length; i++) {\n if (this.channels[i]) {\n this.channels[i].cueSplitAtTime(t);\n }\n }\n }\n}\n\nexport default Cea608Parser;\n","import { CaptionScreen } from './cea-608-parser';\n\nexport default class OutputFilter {\n timelineController: any;\n trackName: string;\n startTime: number | null;\n endTime: number | null;\n screen: CaptionScreen | null;\n\n // TODO(typescript-timelineController)\n constructor (timelineController: any, trackName: string) {\n this.timelineController = timelineController;\n this.trackName = trackName;\n this.startTime = null;\n this.endTime = null;\n this.screen = null;\n }\n\n dispatchCue () {\n if (this.startTime === null) {\n return;\n }\n\n this.timelineController.addCues(this.trackName, this.startTime, this.endTime, this.screen);\n this.startTime = null;\n }\n\n newCue (startTime: number, endTime: number, screen: CaptionScreen) {\n if (this.startTime === null || this.startTime > startTime) {\n this.startTime = startTime;\n }\n\n this.endTime = endTime;\n this.screen = screen;\n this.timelineController.createCaptionsTrack(this.trackName);\n }\n}\n","import VTTParser from './vttparser';\nimport { utf8ArrayToStr } from '../demux/id3';\n\n// String.prototype.startsWith is not supported in IE11\nconst startsWith = function (inputString, searchString, position) {\n return inputString.substr(position || 0, searchString.length) === searchString;\n};\n\nconst cueString2millis = function (timeString) {\n let ts = parseInt(timeString.substr(-3));\n let secs = parseInt(timeString.substr(-6, 2));\n let mins = parseInt(timeString.substr(-9, 2));\n let hours = timeString.length > 9 ? parseInt(timeString.substr(0, timeString.indexOf(':'))) : 0;\n\n if (!Number.isFinite(ts) || !Number.isFinite(secs) || !Number.isFinite(mins) || !Number.isFinite(hours)) {\n throw Error(`Malformed X-TIMESTAMP-MAP: Local:${timeString}`);\n }\n\n ts += 1000 * secs;\n ts += 60 * 1000 * mins;\n ts += 60 * 60 * 1000 * hours;\n\n return ts;\n};\n\n// From https://github.com/darkskyapp/string-hash\nconst hash = function (text) {\n let hash = 5381;\n let i = text.length;\n while (i) {\n hash = (hash * 33) ^ text.charCodeAt(--i);\n }\n\n return (hash >>> 0).toString();\n};\n\nconst calculateOffset = function (vttCCs, cc, presentationTime) {\n let currCC = vttCCs[cc];\n let prevCC = vttCCs[currCC.prevCC];\n\n // This is the first discontinuity or cues have been processed since the last discontinuity\n // Offset = current discontinuity time\n if (!prevCC || (!prevCC.new && currCC.new)) {\n vttCCs.ccOffset = vttCCs.presentationOffset = currCC.start;\n currCC.new = false;\n return;\n }\n\n // There have been discontinuities since cues were last parsed.\n // Offset = time elapsed\n while (prevCC && prevCC.new) {\n vttCCs.ccOffset += currCC.start - prevCC.start;\n currCC.new = false;\n currCC = prevCC;\n prevCC = vttCCs[currCC.prevCC];\n }\n\n vttCCs.presentationOffset = presentationTime;\n};\n\nconst WebVTTParser = {\n parse: function (vttByteArray, syncPTS, vttCCs, cc, callBack, errorCallBack) {\n // Convert byteArray into string, replacing any somewhat exotic linefeeds with \"\\n\", then split on that character.\n let re = /\\r\\n|\\n\\r|\\n|\\r/g;\n // Uint8Array.prototype.reduce is not implemented in IE11\n let vttLines = utf8ArrayToStr(new Uint8Array(vttByteArray)).trim().replace(re, '\\n').split('\\n');\n\n let cueTime = '00:00.000';\n let mpegTs = 0;\n let localTime = 0;\n let presentationTime = 0;\n let cues = [];\n let parsingError;\n let inHeader = true;\n let timestampMap = false;\n // let VTTCue = VTTCue || window.TextTrackCue;\n\n // Create parser object using VTTCue with TextTrackCue fallback on certain browsers.\n let parser = new VTTParser();\n\n parser.oncue = function (cue) {\n // Adjust cue timing; clamp cues to start no earlier than - and drop cues that don't end after - 0 on timeline.\n let currCC = vttCCs[cc];\n let cueOffset = vttCCs.ccOffset;\n\n // Update offsets for new discontinuities\n if (currCC && currCC.new) {\n if (localTime !== undefined) {\n // When local time is provided, offset = discontinuity start time - local time\n cueOffset = vttCCs.ccOffset = currCC.start; \n } else {\n calculateOffset(vttCCs, cc, presentationTime);\n }\n }\n\n if (presentationTime) {\n // If we have MPEGTS, offset = presentation time + discontinuity offset \n cueOffset = presentationTime - vttCCs.presentationOffset;\n }\n\n // console.log(cue.startTime + ' before');\n cue.startTime += cueOffset - localTime;\n cue.endTime += cueOffset - localTime;\n\n const text = cue.text.trim();\n // Create a unique hash id for a cue based on start/end times and text.\n // This helps timeline-controller to avoid showing repeated captions.\n cue.id = hash(cue.startTime.toString()) + hash(cue.endTime.toString()) + hash(text);\n\n // Fix encoding of special characters. TODO: Test with all sorts of weird characters.\n cue.text = decodeURIComponent(encodeURIComponent(cue.text));\n if (cue.endTime > 0) {\n cues.push(cue);\n }\n };\n\n parser.onparsingerror = function (e) {\n parsingError = e;\n };\n\n parser.onflush = function () {\n if (parsingError && errorCallBack) {\n errorCallBack(parsingError);\n return;\n }\n callBack(cues);\n };\n\n // Go through contents line by line.\n vttLines.forEach(line => {\n if (inHeader) {\n // Look for X-TIMESTAMP-MAP in header.\n if (startsWith(line, 'X-TIMESTAMP-MAP=')) {\n // Once found, no more are allowed anyway, so stop searching.\n inHeader = false;\n timestampMap = true;\n // Extract LOCAL and MPEGTS.\n line.substr(16).split(',').forEach(timestamp => {\n if (startsWith(timestamp, 'LOCAL:')) {\n cueTime = timestamp.substr(6);\n } else if (startsWith(timestamp, 'MPEGTS:')) {\n mpegTs = parseInt(timestamp.substr(7));\n }\n });\n try {\n //\n // Calculate subtitle offset in milliseconds.\n // if (syncPTS + ((vttCCs[cc].start * 90000) || 0) < 0) {\n // syncPTS += 8589934592;\n // }\n // Adjust MPEGTS by sync PTS.\n mpegTs -= syncPTS;\n \n // Convert cue time to seconds\n localTime = cueString2millis(cueTime) / 1000;\n // Convert MPEGTS to seconds from 90kHz.\n presentationTime = mpegTs / 90000;\n //console.log(syncPTS + \" syncPTS is \" + presentationTime + ' local time ' + localTime);\n if (localTime === -1) {\n parsingError = new Error(`Malformed X-TIMESTAMP-MAP: ${line}`);\n }\n } catch (e) {\n timestampMap = false;\n parsingError = e;\n }\n // Return without parsing X-TIMESTAMP-MAP line.\n return;\n } else if (line === '') {\n inHeader = false;\n }\n }\n // Parse line by default.\n parser.parse(line + '\\n');\n });\n\n parser.flush();\n }\n};\n\nexport default WebVTTParser;\n","import Event from '../events';\nimport EventHandler from '../event-handler';\nimport Cea608Parser, { CaptionScreen } from '../utils/cea-608-parser';\nimport OutputFilter from '../utils/output-filter';\nimport WebVTTParser from '../utils/webvtt-parser';\nimport { logger } from '../utils/logger';\nimport { sendAddTrackEvent, clearCurrentCues } from '../utils/texttrack-utils';\nimport Fragment from '../loader/fragment';\nimport { HlsConfig } from '../config';\n\n// TS todo: Reduce usage of any\nclass TimelineController extends EventHandler {\n private media: HTMLMediaElement | null = null;\n private config: HlsConfig;\n private enabled: boolean = true;\n private Cues: any;\n private textTracks: Array<TextTrack> = [];\n private tracks: Array<any> = [];\n private initPTS: Array<number> = [];\n private unparsedVttFrags: Array<{frag: Fragment, payload: any}> = [];\n private cueRanges: Array<any> = [];\n private captionsTracks: any = {};\n private captionsProperties: any;\n private cea608Parser!: Cea608Parser;\n private lastSn: number = -1;\n private prevCC: number = -1;\n private vttCCs: any = null;\n\n constructor (hls) {\n super(hls, Event.MEDIA_ATTACHING,\n Event.MEDIA_DETACHING,\n Event.FRAG_PARSING_USERDATA,\n Event.FRAG_DECRYPTED,\n Event.MANIFEST_LOADING,\n Event.MANIFEST_LOADED,\n Event.FRAG_LOADED,\n Event.INIT_PTS_FOUND);\n\n this.hls = hls;\n this.config = hls.config;\n this.Cues = hls.config.cueHandler;\n\n this.captionsProperties = {\n textTrack1: {\n label: this.config.captionsTextTrack1Label,\n languageCode: this.config.captionsTextTrack1LanguageCode\n },\n textTrack2: {\n label: this.config.captionsTextTrack2Label,\n languageCode: this.config.captionsTextTrack2LanguageCode\n }\n };\n\n if (this.config.enableCEA708Captions) {\n const channel1 = new OutputFilter(this, 'textTrack1');\n const channel2 = new OutputFilter(this, 'textTrack2');\n this.cea608Parser = new Cea608Parser(0, channel1, channel2);\n }\n }\n\n addCues (trackName: string, startTime: number, endTime: number, screen: CaptionScreen) {\n // skip cues which overlap more than 50% with previously parsed time ranges\n const ranges = this.cueRanges;\n let merged = false;\n for (let i = ranges.length; i--;) {\n let cueRange = ranges[i];\n let overlap = intersection(cueRange[0], cueRange[1], startTime, endTime);\n if (overlap >= 0) {\n cueRange[0] = Math.min(cueRange[0], startTime);\n cueRange[1] = Math.max(cueRange[1], endTime);\n merged = true;\n if ((overlap / (endTime - startTime)) > 0.5) {\n return;\n }\n }\n }\n if (!merged) {\n ranges.push([startTime, endTime]);\n }\n\n this.Cues.newCue(this.captionsTracks[trackName], startTime, endTime, screen);\n }\n\n // Triggered when an initial PTS is found; used for synchronisation of WebVTT.\n onInitPtsFound (data: { id: string, frag: Fragment, initPTS: number}) {\n const { frag, id, initPTS } = data;\n const { unparsedVttFrags } = this;\n if (id === 'main') {\n this.initPTS[frag.cc] = initPTS;\n }\n\n // Due to asynchronous processing, initial PTS may arrive later than the first VTT fragments are loaded.\n // Parse any unparsed fragments upon receiving the initial PTS.\n if (unparsedVttFrags.length) {\n this.unparsedVttFrags = [];\n unparsedVttFrags.forEach(frag => {\n this.onFragLoaded(frag);\n });\n }\n }\n\n getExistingTrack (trackName: string): TextTrack | null {\n const { media } = this;\n if (media) {\n for (let i = 0; i < media.textTracks.length; i++) {\n let textTrack = media.textTracks[i];\n if (textTrack[trackName]) {\n return textTrack;\n }\n }\n }\n return null;\n }\n\n createCaptionsTrack (trackName: string) {\n const { captionsProperties, captionsTracks, media } = this;\n const { label, languageCode } = captionsProperties[trackName];\n if (!captionsTracks[trackName]) {\n // Enable reuse of existing text track.\n const existingTrack = this.getExistingTrack(trackName);\n if (!existingTrack) {\n const textTrack = this.createTextTrack('captions', label, languageCode);\n if (textTrack) {\n // Set a special property on the track so we know it's managed by Hls.js\n textTrack[trackName] = true;\n captionsTracks[trackName] = textTrack;\n }\n } else {\n captionsTracks[trackName] = existingTrack;\n clearCurrentCues(captionsTracks[trackName]);\n sendAddTrackEvent(captionsTracks[trackName], media as HTMLMediaElement);\n }\n }\n }\n\n createTextTrack (kind: TextTrackKind, label: string, lang: string): TextTrack | undefined {\n const media = this.media;\n if (!media) {\n return;\n }\n return media.addTextTrack(kind, label, lang);\n }\n\n destroy () {\n super.destroy();\n }\n\n onMediaAttaching (data: { media: HTMLMediaElement }) {\n this.media = data.media;\n this._cleanTracks();\n }\n\n onMediaDetaching () {\n const { captionsTracks } = this;\n Object.keys(captionsTracks).forEach(trackName => {\n clearCurrentCues(captionsTracks[trackName]);\n delete captionsTracks[trackName];\n });\n }\n\n onManifestLoading () {\n this.lastSn = -1; // Detect discontiguity in fragment parsing\n this.prevCC = -1;\n this.vttCCs = { // Detect discontinuity in subtitle manifests\n ccOffset: 0,\n presentationOffset: 0,\n 0: {\n start: 0, prevCC: -1, new: false\n }\n };\n this._cleanTracks();\n }\n\n _cleanTracks () {\n // clear outdated subtitles\n const { media } = this;\n if (!media) {\n return;\n }\n const textTracks = media.textTracks;\n if (textTracks) {\n for (let i = 0; i < textTracks.length; i++) {\n clearCurrentCues(textTracks[i]);\n }\n }\n }\n\n onManifestLoaded (data: { subtitles: Array<any> }) {\n this.textTracks = [];\n this.unparsedVttFrags = this.unparsedVttFrags || [];\n this.initPTS = [];\n this.cueRanges = [];\n\n if (this.config.enableWebVTT) {\n this.tracks = data.subtitles || [];\n const inUseTracks = this.media ? this.media.textTracks : [];\n\n this.tracks.forEach((track, index) => {\n let textTrack;\n if (index < inUseTracks.length) {\n let inUseTrack: TextTrack | null = null;\n\n for (let i = 0; i < inUseTracks.length; i++) {\n if (canReuseVttTextTrack(inUseTracks[i], track)) {\n inUseTrack = inUseTracks[i];\n break;\n }\n }\n\n // Reuse tracks with the same label, but do not reuse 608/708 tracks\n if (inUseTrack) {\n textTrack = inUseTrack;\n }\n }\n if (!textTrack) {\n textTrack = this.createTextTrack('subtitles', track.name, track.lang);\n }\n\n if (track.default) {\n textTrack.mode = this.hls.subtitleDisplay ? 'showing' : 'hidden';\n } else {\n textTrack.mode = 'disabled';\n }\n\n this.textTracks.push(textTrack);\n });\n }\n }\n\n onFragLoaded (data: { frag: Fragment, payload: any }) {\n const { frag, payload } = data;\n const { cea608Parser, initPTS, lastSn, unparsedVttFrags } = this;\n if (frag.type === 'main') {\n const sn = frag.sn;\n // if this frag isn't contiguous, clear the parser so cues with bad start/end times aren't added to the textTrack\n if (frag.sn !== lastSn + 1) {\n if (cea608Parser) {\n cea608Parser.reset();\n }\n }\n this.lastSn = sn as number;\n } // eslint-disable-line brace-style\n // If fragment is subtitle type, parse as WebVTT.\n else if (frag.type === 'subtitle') {\n if (payload.byteLength) {\n // We need an initial synchronisation PTS. Store fragments as long as none has arrived.\n if (!Number.isFinite(initPTS[frag.cc])) {\n unparsedVttFrags.push(data);\n if (initPTS.length) {\n // finish unsuccessfully, otherwise the subtitle-stream-controller could be blocked from loading new frags.\n this.hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: false, frag });\n }\n return;\n }\n\n let decryptData = frag.decryptdata;\n // If the subtitles are not encrypted, parse VTTs now. Otherwise, we need to wait.\n if ((decryptData == null) || (decryptData.key == null) || (decryptData.method !== 'AES-128')) {\n this._parseVTTs(frag, payload);\n }\n } else {\n // In case there is no payload, finish unsuccessfully.\n this.hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: false, frag });\n }\n }\n }\n\n _parseVTTs (frag: Fragment, payload) {\n const { hls, prevCC, textTracks, vttCCs } = this;\n if (!vttCCs[frag.cc]) {\n vttCCs[frag.cc] = { start: frag.start, prevCC, new: true };\n this.prevCC = frag.cc;\n }\n // Parse the WebVTT file contents.\n WebVTTParser.parse(payload, this.initPTS[frag.cc], vttCCs, frag.cc, function (cues) {\n const currentTrack = textTracks[frag.level];\n // WebVTTParser.parse is an async method and if the currently selected text track mode is set to \"disabled\"\n // before parsing is done then don't try to access currentTrack.cues.getCueById as cues will be null\n // and trying to access getCueById method of cues will throw an exception\n if (currentTrack.mode === 'disabled') {\n hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: false, frag: frag });\n return;\n } \n let minStartTime = Number.MAX_SAFE_INTEGER;\n // Add cues and trigger event with success true.\n \n cues.forEach(cue => {\n //find the first cue in the entire cue set since its not always sorted\n minStartTime = Math.min(cue.startTime,minStartTime);\n // Sometimes there are cue overlaps on segmented vtts so the same\n // cue can appear more than once in different vtt files.\n // This avoid showing duplicated cues with same timecode and text.\n if (!currentTrack.cues.getCueById(cue.id)) {\n try {\n currentTrack.addCue(cue);\n if (!currentTrack.cues.getCueById(cue.id)) {\n throw new Error(`addCue is failed for: ${cue}`);\n }\n } catch (err) {\n logger.debug(`Failed occurred on adding cues: ${err}`);\n const textTrackCue = new (window as any).TextTrackCue(cue.startTime, cue.endTime, cue.text);\n textTrackCue.id = cue.id;\n currentTrack.addCue(textTrackCue);\n }\n }\n } \n );\n \n let liveSyncPosition = hls.streamController.liveSyncPosition;\n //need to remove cues only for live so if there is no sync position its a VOD\n // if there is a better way to detect live vs vod we can use it. \n while (cues.length > 0 && liveSyncPosition !== undefined ){\n //We remove cues which are more than 5 minutes old than the current cue\n if (currentTrack.cues[0].startTime < minStartTime - 300){\n currentTrack.removeCue(currentTrack.cues[0]);\n } else {\n break;\n }\n }\n hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: true, frag: frag });\n },\n function (e) {\n // Something went wrong while parsing. Trigger event with success false.\n logger.log(`Failed to parse VTT cue: ${e}`);\n hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: false, frag: frag });\n });\n }\n\n onFragDecrypted (data: { frag: Fragment, payload: any}) {\n const { frag, payload } = data;\n if (frag.type === 'subtitle') {\n if (!Number.isFinite(this.initPTS[frag.cc])) {\n this.unparsedVttFrags.push(data);\n return;\n }\n\n this._parseVTTs(frag, payload);\n }\n }\n\n onFragParsingUserdata (data: { samples: Array<any> }) {\n if (!this.enabled || !this.cea608Parser) {\n return;\n }\n\n // If the event contains captions (found in the bytes property), push all bytes into the parser immediately\n // It will create the proper timestamps based on the PTS value\n for (let i = 0; i < data.samples.length; i++) {\n const ccBytes = data.samples[i].bytes;\n if (ccBytes) {\n const ccdatas = this.extractCea608Data(ccBytes);\n this.cea608Parser.addData(data.samples[i].pts, ccdatas);\n }\n }\n }\n\n extractCea608Data (byteArray: Uint8Array): Array<number> {\n let count = byteArray[0] & 31;\n let position = 2;\n let tmpByte, ccbyte1, ccbyte2, ccValid, ccType;\n let actualCCBytes: number[] = [];\n\n for (let j = 0; j < count; j++) {\n tmpByte = byteArray[position++];\n ccbyte1 = 0x7F & byteArray[position++];\n ccbyte2 = 0x7F & byteArray[position++];\n ccValid = (4 & tmpByte) !== 0;\n ccType = 3 & tmpByte;\n\n if (ccbyte1 === 0 && ccbyte2 === 0) {\n continue;\n }\n\n if (ccValid) {\n if (ccType === 0) { // || ccType === 1\n actualCCBytes.push(ccbyte1);\n actualCCBytes.push(ccbyte2);\n }\n }\n }\n return actualCCBytes;\n }\n}\n\nfunction canReuseVttTextTrack (inUseTrack, manifestTrack): boolean {\n return inUseTrack && inUseTrack.label === manifestTrack.name && !(inUseTrack.textTrack1 || inUseTrack.textTrack2);\n}\n\nfunction intersection (x1: number, x2: number, y1: number, y2: number): number {\n return Math.min(x2, y2) - Math.max(x1, y1);\n}\n\nexport default TimelineController;\n","import Event from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\nimport { computeReloadInterval } from './level-helper';\nimport { clearCurrentCues } from '../utils/texttrack-utils';\n\nclass SubtitleTrackController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.MANIFEST_LOADED,\n Event.SUBTITLE_TRACK_LOADED);\n this.tracks = [];\n this.trackId = -1;\n this.media = null;\n this.stopped = true;\n\n /**\n * @member {boolean} subtitleDisplay Enable/disable subtitle display rendering\n */\n this.subtitleDisplay = true;\n\n /**\n * Keeps reference to a default track id when media has not been attached yet\n * @member {number}\n */\n this.queuedDefaultTrack = null;\n }\n\n destroy () {\n EventHandler.prototype.destroy.call(this);\n }\n\n // Listen for subtitle track change, then extract the current track ID.\n onMediaAttached (data) {\n this.media = data.media;\n if (!this.media) {\n return;\n }\n\n if (Number.isFinite(this.queuedDefaultTrack)) {\n this.subtitleTrack = this.queuedDefaultTrack;\n this.queuedDefaultTrack = null;\n }\n\n this.trackChangeListener = this._onTextTracksChanged.bind(this);\n\n this.useTextTrackPolling = !(this.media.textTracks && 'onchange' in this.media.textTracks);\n if (this.useTextTrackPolling) {\n this.subtitlePollingInterval = setInterval(() => {\n this.trackChangeListener();\n }, 500);\n } else {\n this.media.textTracks.addEventListener('change', this.trackChangeListener);\n }\n }\n\n onMediaDetaching () {\n if (!this.media) {\n return;\n }\n\n if (this.useTextTrackPolling) {\n clearInterval(this.subtitlePollingInterval);\n } else {\n this.media.textTracks.removeEventListener('change', this.trackChangeListener);\n }\n\n if (Number.isFinite(this.subtitleTrack)) {\n this.queuedDefaultTrack = this.subtitleTrack;\n }\n\n const textTracks = filterSubtitleTracks(this.media.textTracks);\n // Clear loaded cues on media detachment from tracks\n textTracks.forEach((track) => {\n clearCurrentCues(track);\n });\n // Disable all subtitle tracks before detachment so when reattached only tracks in that content are enabled.\n this.subtitleTrack = -1;\n this.media = null;\n }\n\n // Fired whenever a new manifest is loaded.\n onManifestLoaded (data) {\n let tracks = data.subtitles || [];\n this.tracks = tracks;\n this.hls.trigger(Event.SUBTITLE_TRACKS_UPDATED, { subtitleTracks: tracks });\n\n // loop through available subtitle tracks and autoselect default if needed\n // TODO: improve selection logic to handle forced, etc\n tracks.forEach(track => {\n if (track.default) {\n // setting this.subtitleTrack will trigger internal logic\n // if media has not been attached yet, it will fail\n // we keep a reference to the default track id\n // and we'll set subtitleTrack when onMediaAttached is triggered\n if (this.media) {\n this.subtitleTrack = track.id;\n } else {\n this.queuedDefaultTrack = track.id;\n }\n }\n });\n }\n\n onSubtitleTrackLoaded (data) {\n const { id, details } = data;\n const { trackId, tracks } = this;\n const currentTrack = tracks[trackId];\n if (id >= tracks.length || id !== trackId || !currentTrack || this.stopped) {\n this._clearReloadTimer();\n return;\n }\n\n logger.log(`subtitle track ${id} loaded`);\n if (details.live) {\n const reloadInterval = computeReloadInterval(currentTrack.details, details, data.stats.trequest);\n logger.log(`Reloading live subtitle playlist in ${reloadInterval}ms`);\n this.timer = setTimeout(() => {\n this._loadCurrentTrack();\n }, reloadInterval);\n } else {\n this._clearReloadTimer();\n }\n }\n\n startLoad () {\n this.stopped = false;\n this._loadCurrentTrack();\n }\n\n stopLoad () {\n this.stopped = true;\n this._clearReloadTimer();\n }\n\n /** get alternate subtitle tracks list from playlist **/\n get subtitleTracks () {\n return this.tracks;\n }\n\n /** get index of the selected subtitle track (index in subtitle track lists) **/\n get subtitleTrack () {\n return this.trackId;\n }\n\n /** select a subtitle track, based on its index in subtitle track lists**/\n set subtitleTrack (subtitleTrackId) {\n if (this.trackId !== subtitleTrackId) {\n this._toggleTrackModes(subtitleTrackId);\n this._setSubtitleTrackInternal(subtitleTrackId);\n }\n }\n\n _clearReloadTimer () {\n if (this.timer) {\n clearTimeout(this.timer);\n this.timer = null;\n }\n }\n\n _loadCurrentTrack () {\n const { trackId, tracks, hls } = this;\n const currentTrack = tracks[trackId];\n if (trackId < 0 || !currentTrack || (currentTrack.details && !currentTrack.details.live)) {\n return;\n }\n logger.log(`Loading subtitle track ${trackId}`);\n hls.trigger(Event.SUBTITLE_TRACK_LOADING, { url: currentTrack.url, id: trackId });\n }\n\n /**\n * Disables the old subtitleTrack and sets current mode on the next subtitleTrack.\n * This operates on the DOM textTracks.\n * A value of -1 will disable all subtitle tracks.\n * @param newId - The id of the next track to enable\n * @private\n */\n _toggleTrackModes (newId) {\n const { media, subtitleDisplay, trackId } = this;\n if (!media) {\n return;\n }\n\n const textTracks = filterSubtitleTracks(media.textTracks);\n if (newId === -1) {\n [].slice.call(textTracks).forEach(track => {\n track.mode = 'disabled';\n });\n } else {\n const oldTrack = textTracks[trackId];\n if (oldTrack) {\n oldTrack.mode = 'disabled';\n }\n }\n\n const nextTrack = textTracks[newId];\n if (nextTrack) {\n nextTrack.mode = subtitleDisplay ? 'showing' : 'hidden';\n }\n }\n\n /**\n * This method is responsible for validating the subtitle index and periodically reloading if live.\n * Dispatches the SUBTITLE_TRACK_SWITCH event, which instructs the subtitle-stream-controller to load the selected track.\n * @param newId - The id of the subtitle track to activate.\n */\n _setSubtitleTrackInternal (newId) {\n const { hls, tracks } = this;\n if (!Number.isFinite(newId) || newId < -1 || newId >= tracks.length) {\n return;\n }\n\n this.trackId = newId;\n logger.log(`Switching to subtitle track ${newId}`);\n hls.trigger(Event.SUBTITLE_TRACK_SWITCH, { id: newId });\n this._loadCurrentTrack();\n }\n\n _onTextTracksChanged () {\n // Media is undefined when switching streams via loadSource()\n if (!this.media) {\n return;\n }\n\n let trackId = -1;\n let tracks = filterSubtitleTracks(this.media.textTracks);\n for (let id = 0; id < tracks.length; id++) {\n if (tracks[id].mode === 'hidden') {\n // Do not break in case there is a following track with showing.\n trackId = id;\n } else if (tracks[id].mode === 'showing') {\n trackId = id;\n break;\n }\n }\n\n // Setting current subtitleTrack will invoke code.\n this.subtitleTrack = trackId;\n }\n}\n\nfunction filterSubtitleTracks (textTrackList) {\n let tracks = [];\n for (let i = 0; i < textTrackList.length; i++) {\n const track = textTrackList[i];\n // Edge adds a track without a label; we don't want to use it\n if (track.kind === 'subtitles' && track.label) {\n tracks.push(textTrackList[i]);\n }\n }\n return tracks;\n}\n\nexport default SubtitleTrackController;\n","/**\n * @class SubtitleStreamController\n */\n\nimport Event from '../events';\nimport { logger } from '../utils/logger';\nimport Decrypter from '../crypt/decrypter';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport { findFragmentByPDT, findFragmentByPTS } from './fragment-finders';\nimport { FragmentState } from './fragment-tracker';\nimport BaseStreamController, { State } from './base-stream-controller';\nimport { mergeSubtitlePlaylists } from './level-helper';\n\nconst { performance } = window;\nconst TICK_INTERVAL = 500; // how often to tick in ms\n\nexport class SubtitleStreamController extends BaseStreamController {\n constructor (hls, fragmentTracker) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.ERROR,\n Event.KEY_LOADED,\n Event.FRAG_LOADED,\n Event.SUBTITLE_TRACKS_UPDATED,\n Event.SUBTITLE_TRACK_SWITCH,\n Event.SUBTITLE_TRACK_LOADED,\n Event.SUBTITLE_FRAG_PROCESSED,\n Event.LEVEL_UPDATED);\n\n this.fragmentTracker = fragmentTracker;\n this.config = hls.config;\n this.state = State.STOPPED;\n this.tracks = [];\n this.tracksBuffered = [];\n this.currentTrackId = -1;\n this.decrypter = new Decrypter(hls, hls.config);\n // lastAVStart stores the time in seconds for the start time of a level load\n this.lastAVStart = 0;\n this._onMediaSeeking = this.onMediaSeeking.bind(this);\n }\n\n onSubtitleFragProcessed (data) {\n const { frag, success } = data;\n this.fragPrevious = frag;\n this.state = State.IDLE;\n if (!success) {\n return;\n }\n\n const buffered = this.tracksBuffered[this.currentTrackId];\n if (!buffered) {\n return;\n }\n\n // Create/update a buffered array matching the interface used by BufferHelper.bufferedInfo\n // so we can re-use the logic used to detect how much have been buffered\n let timeRange;\n const fragStart = frag.start;\n for (let i = 0; i < buffered.length; i++) {\n if (fragStart >= buffered[i].start && fragStart <= buffered[i].end) {\n timeRange = buffered[i];\n break;\n }\n }\n\n const fragEnd = frag.start + frag.duration;\n if (timeRange) {\n timeRange.end = fragEnd;\n } else {\n timeRange = {\n start: fragStart,\n end: fragEnd\n };\n buffered.push(timeRange);\n }\n }\n\n onMediaAttached ({ media }) {\n this.media = media;\n media.addEventListener('seeking', this._onMediaSeeking);\n this.state = State.IDLE;\n }\n\n onMediaDetaching () {\n if (!this.media) {\n return;\n }\n this.media.removeEventListener('seeking', this._onMediaSeeking);\n this.fragmentTracker.removeAllFragments();\n this.currentTrackId = -1;\n this.tracks.forEach((track) => {\n this.tracksBuffered[track.id] = [];\n });\n this.media = null;\n this.state = State.STOPPED;\n }\n\n // If something goes wrong, proceed to next frag, if we were processing one.\n onError (data) {\n //Commenting out this code since we need to reset the state for any error\n // let frag = data.frag;\n // // don't handle error not related to subtitle fragment\n // if (!frag || frag.type !== 'subtitle') {\n // return;\n // }\n this.state = State.IDLE;\n }\n\n // Got all new subtitle tracks.\n onSubtitleTracksUpdated (data) {\n logger.log('subtitle tracks updated');\n this.tracksBuffered = [];\n this.tracks = data.subtitleTracks;\n this.tracks.forEach((track) => {\n this.tracksBuffered[track.id] = [];\n });\n }\n\n onSubtitleTrackSwitch (data) {\n this.currentTrackId = data.id;\n\n if (!this.tracks || !this.tracks.length || this.currentTrackId === -1) {\n this.clearInterval();\n return;\n }\n\n // Check if track has the necessary details to load fragments\n const currentTrack = this.tracks[this.currentTrackId];\n if (currentTrack && currentTrack.details) {\n this.setInterval(TICK_INTERVAL);\n }\n }\n\n // Got a new set of subtitle fragments.\n onSubtitleTrackLoaded (data) {\n const { id, details } = data;\n const { currentTrackId, tracks } = this;\n const currentTrack = tracks[currentTrackId];\n if (id >= tracks.length || id !== currentTrackId || !currentTrack) {\n return;\n }\n\n if (details.live) {\n mergeSubtitlePlaylists(currentTrack.details, details, this.lastAVStart);\n }\n currentTrack.details = details;\n this.setInterval(TICK_INTERVAL);\n }\n\n onKeyLoaded () {\n if (this.state === State.KEY_LOADING) {\n this.state = State.IDLE;\n }\n }\n\n onFragLoaded (data) {\n const fragCurrent = this.fragCurrent;\n const decryptData = data.frag.decryptdata;\n const fragLoaded = data.frag;\n const hls = this.hls;\n\n if (this.state === State.FRAG_LOADING &&\n fragCurrent &&\n data.frag.type === 'subtitle' &&\n fragCurrent.sn === data.frag.sn) {\n // check to see if the payload needs to be decrypted\n if (data.payload.byteLength > 0 && (decryptData && decryptData.key && decryptData.method === 'AES-128')) {\n let startTime = performance.now();\n\n // decrypt the subtitles\n this.decrypter.decrypt(data.payload, decryptData.key.buffer, decryptData.iv.buffer, function (decryptedData) {\n let endTime = performance.now();\n hls.trigger(Event.FRAG_DECRYPTED, { frag: fragLoaded, payload: decryptedData, stats: { tstart: startTime, tdecrypt: endTime } });\n });\n }\n }\n }\n\n onLevelUpdated ({ details }) {\n const frags = details.fragments;\n this.lastAVStart = frags.length ? frags[0].start : 0;\n }\n\n doTick () {\n if (!this.media) {\n this.state = State.IDLE;\n return;\n }\n\n switch (this.state) {\n case State.IDLE: {\n const { config, currentTrackId, fragmentTracker, media, tracks } = this;\n if (!tracks || !tracks[currentTrackId] || !tracks[currentTrackId].details) {\n break;\n }\n\n const { maxBufferHole, maxFragLookUpTolerance } = config;\n const maxConfigBuffer = Math.min(config.maxBufferLength, config.maxMaxBufferLength);\n const bufferedInfo = BufferHelper.bufferedInfo(this._getBuffered(), media.currentTime, maxBufferHole);\n const { end: bufferEnd, len: bufferLen } = bufferedInfo;\n\n const trackDetails = tracks[currentTrackId].details;\n const fragments = trackDetails.fragments;\n const fragLen = fragments.length;\n const end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration;\n\n if (bufferLen > maxConfigBuffer) {\n return;\n }\n\n let foundFrag;\n const fragPrevious = this.fragPrevious;\n if (bufferEnd < end) {\n if (fragPrevious && trackDetails.hasProgramDateTime) {\n foundFrag = findFragmentByPDT(fragments, fragPrevious.endProgramDateTime, maxFragLookUpTolerance);\n }\n if (!foundFrag) {\n foundFrag = findFragmentByPTS(fragPrevious, fragments, bufferEnd, maxFragLookUpTolerance);\n }\n if (!foundFrag && trackDetails.live && fragPrevious && fragPrevious.start < fragments[0].start) {\n /*\n below is a real world example of what can happen in production. \n \n fragPrevious s:04:08:44.000Z, e:04:08:49.000Z -- was found by PDT\n \n # response on subtitle/en/playlist.m3u8 on Nth call\n fragments[0]: s:04:08:24.000Z, e:04:08:29.000Z -- s:4532.900002, e:4537.900002\n fragments[1]: s:04:08:29.000Z, e:04:08:34.000Z -- s:4537.900002, e:4542.900002\n fragments[2]: s:04:08:34.000Z, e:04:08:39.000Z -- s:4542.900002, e:4547.900002\n fragments[3]: s:04:08:39.000Z, e:04:08:44.000Z -- s:4547.900002, e:4552.900002\n fragments[4]: s:04:08:44.000Z, e:04:08:49.000Z -- s:4552.900002, e:4557.900002\n\n # response on subtitle/en/playlist.m3u8 on (N+1)th call\n fragments[0]: s:04:08:54.000Z, e:04:08:59.000Z -- s:4562.900002, e:4567.900002\n fragments[1]: s:04:08:59.000Z, e:04:09:04.000Z -- s:4567.900002, e:4572.900002\n fragments[2]: s:04:09:04.000Z, e:04:09:09.000Z -- s:4572.900002, e:4577.900002\n fragments[3]: s:04:09:09.000Z, e:04:09:14.000Z -- s:4577.900002, e:4582.900002\n fragments[4]: s:04:09:14.000Z, e:04:09:19.000Z -- s:4582.900002, e:4587.900002\n\n # notice the gap from e:04:08:49.000Z to s:04:08:54.000Z, code below is to fix this issue\n */\n \n foundFrag = fragments[0];\n logger.warn(`Gap detected in live subtitle playlist, using next available fragment {start: ${foundFrag.start}}`);\n }\n\n } else {\n foundFrag = fragments[fragLen - 1];\n }\n\n if (foundFrag && foundFrag.encrypted) {\n logger.log(`Loading key for ${foundFrag.sn}`);\n this.state = State.KEY_LOADING;\n this.hls.trigger(Event.KEY_LOADING, { frag: foundFrag });\n } else if (foundFrag && this.fragmentTracker.getState(foundFrag) === FragmentState.NOT_LOADED) {\n // only load if fragment is not loaded \n this.fragCurrent = foundFrag;\n this.state = State.FRAG_LOADING;\n this.hls.trigger(Event.FRAG_LOADING, { frag: foundFrag });\n }\n }\n }\n }\n\n stopLoad () {\n this.lastAVStart = 0;\n super.stopLoad();\n }\n\n _getBuffered () {\n return this.tracksBuffered[this.currentTrackId] || [];\n }\n\n onMediaSeeking () {\n this.fragPrevious = null;\n }\n}\n","/**\n * @see https://developer.mozilla.org/en-US/docs/Web/API/Navigator/requestMediaKeySystemAccess\n */\nexport enum KeySystems {\n WIDEVINE = 'com.widevine.alpha',\n PLAYREADY = 'com.microsoft.playready',\n}\n\nexport type MediaKeyFunc = (keySystem: KeySystems, supportedConfigurations: MediaKeySystemConfiguration[]) => Promise<MediaKeySystemAccess>;\nconst requestMediaKeySystemAccess = (function (): MediaKeyFunc | null {\n if (typeof window !== 'undefined' && window.navigator && window.navigator.requestMediaKeySystemAccess) {\n return window.navigator.requestMediaKeySystemAccess.bind(window.navigator);\n } else {\n return null;\n }\n})();\n\nexport {\n requestMediaKeySystemAccess\n};\n","/**\n * @author Stephan Hesse <disparat@gmail.com> | <tchakabam@gmail.com>\n *\n * DRM support for Hls.js\n */\n\nimport EventHandler from '../event-handler';\nimport Event from '../events';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\nimport { logger } from '../utils/logger';\nimport { EMEControllerConfig } from '../config';\nimport { KeySystems, MediaKeyFunc } from '../utils/mediakeys-helper';\n\nconst MAX_LICENSE_REQUEST_FAILURES = 3;\n\n/**\n * @see https://developer.mozilla.org/en-US/docs/Web/API/MediaKeySystemConfiguration\n * @param {Array<string>} audioCodecs List of required audio codecs to support\n * @param {Array<string>} videoCodecs List of required video codecs to support\n * @param {object} drmSystemOptions Optional parameters/requirements for the key-system\n * @returns {Array<MediaSystemConfiguration>} An array of supported configurations\n */\n\nconst createWidevineMediaKeySystemConfigurations = function (audioCodecs: string[], videoCodecs: string[]): MediaKeySystemConfiguration[] { /* jshint ignore:line */\n const baseConfig: MediaKeySystemConfiguration = {\n // initDataTypes: ['keyids', 'mp4'],\n // label: \"\",\n // persistentState: \"not-allowed\", // or \"required\" ?\n // distinctiveIdentifier: \"not-allowed\", // or \"required\" ?\n // sessionTypes: ['temporary'],\n videoCapabilities: [] // { contentType: 'video/mp4; codecs=\"avc1.42E01E\"' }\n };\n\n videoCodecs.forEach((codec) => {\n baseConfig.videoCapabilities!.push({\n contentType: `video/mp4; codecs=\"${codec}\"`\n });\n });\n\n return [\n baseConfig\n ];\n};\n\n/**\n * The idea here is to handle key-system (and their respective platforms) specific configuration differences\n * in order to work with the local requestMediaKeySystemAccess method.\n *\n * We can also rule-out platform-related key-system support at this point by throwing an error.\n *\n * @param {string} keySystem Identifier for the key-system, see `KeySystems` enum\n * @param {Array<string>} audioCodecs List of required audio codecs to support\n * @param {Array<string>} videoCodecs List of required video codecs to support\n * @throws will throw an error if a unknown key system is passed\n * @returns {Array<MediaSystemConfiguration>} A non-empty Array of MediaKeySystemConfiguration objects\n */\nconst getSupportedMediaKeySystemConfigurations = function (keySystem: KeySystems, audioCodecs: string[], videoCodecs: string[]): MediaKeySystemConfiguration[] {\n switch (keySystem) {\n case KeySystems.WIDEVINE:\n return createWidevineMediaKeySystemConfigurations(audioCodecs, videoCodecs);\n default:\n throw new Error(`Unknown key-system: ${keySystem}`);\n }\n};\n\ninterface MediaKeysListItem {\n mediaKeys?: MediaKeys,\n mediaKeysSession?: MediaKeySession,\n mediaKeysSessionInitialized: boolean;\n mediaKeySystemAccess: MediaKeySystemAccess;\n mediaKeySystemDomain: KeySystems;\n}\n\n/**\n * Controller to deal with encrypted media extensions (EME)\n * @see https://developer.mozilla.org/en-US/docs/Web/API/Encrypted_Media_Extensions_API\n *\n * @class\n * @constructor\n */\nclass EMEController extends EventHandler {\n private _widevineLicenseUrl?: string;\n private _licenseXhrSetup?: (xhr: XMLHttpRequest, url: string) => void;\n private _emeEnabled: boolean;\n private _requestMediaKeySystemAccess: MediaKeyFunc | null\n\n private _config: EMEControllerConfig;\n private _mediaKeysList: MediaKeysListItem[] = [];\n private _media: HTMLMediaElement | null = null;\n private _hasSetMediaKeys: boolean = false;\n private _requestLicenseFailureCount: number = 0;\n\n /**\n * @constructs\n * @param {Hls} hls Our Hls.js instance\n */\n constructor (hls) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHED,\n Event.MANIFEST_PARSED\n );\n this._config = hls.config;\n\n this._widevineLicenseUrl = this._config.widevineLicenseUrl;\n this._licenseXhrSetup = this._config.licenseXhrSetup;\n this._emeEnabled = this._config.emeEnabled;\n this._requestMediaKeySystemAccess = this._config.requestMediaKeySystemAccessFunc;\n }\n\n /**\n * @param {string} keySystem Identifier for the key-system, see `KeySystems` enum\n * @returns {string} License server URL for key-system (if any configured, otherwise causes error)\n * @throws if a unsupported keysystem is passed\n */\n getLicenseServerUrl (keySystem: KeySystems): string {\n switch (keySystem) {\n case KeySystems.WIDEVINE:\n if (!this._widevineLicenseUrl) {\n break;\n }\n return this._widevineLicenseUrl;\n }\n\n throw new Error(`no license server URL configured for key-system \"${keySystem}\"`);\n }\n\n /**\n * Requests access object and adds it to our list upon success\n * @private\n * @param {string} keySystem System ID (see `KeySystems`)\n * @param {Array<string>} audioCodecs List of required audio codecs to support\n * @param {Array<string>} videoCodecs List of required video codecs to support\n * @throws When a unsupported KeySystem is passed\n */\n private _attemptKeySystemAccess (keySystem: KeySystems, audioCodecs: string[], videoCodecs: string[]) {\n // TODO: add other DRM \"options\"\n\n // This can throw, but is caught in event handler callpath\n const mediaKeySystemConfigs = getSupportedMediaKeySystemConfigurations(keySystem, audioCodecs, videoCodecs);\n\n logger.log('Requesting encrypted media key-system access');\n\n // expecting interface like window.navigator.requestMediaKeySystemAccess\n this.requestMediaKeySystemAccess(keySystem, mediaKeySystemConfigs)\n .then((mediaKeySystemAccess) => {\n this._onMediaKeySystemAccessObtained(keySystem, mediaKeySystemAccess);\n })\n .catch((err) => {\n logger.error(`Failed to obtain key-system \"${keySystem}\" access:`, err);\n });\n }\n\n get requestMediaKeySystemAccess () {\n if (!this._requestMediaKeySystemAccess) {\n throw new Error('No requestMediaKeySystemAccess function configured');\n }\n\n return this._requestMediaKeySystemAccess;\n }\n\n /**\n * Handles obtaining access to a key-system\n * @private\n * @param {string} keySystem\n * @param {MediaKeySystemAccess} mediaKeySystemAccess https://developer.mozilla.org/en-US/docs/Web/API/MediaKeySystemAccess\n */\n private _onMediaKeySystemAccessObtained (keySystem: KeySystems, mediaKeySystemAccess: MediaKeySystemAccess) {\n logger.log(`Access for key-system \"${keySystem}\" obtained`);\n\n const mediaKeysListItem: MediaKeysListItem = {\n mediaKeysSessionInitialized: false,\n mediaKeySystemAccess: mediaKeySystemAccess,\n mediaKeySystemDomain: keySystem\n };\n\n this._mediaKeysList.push(mediaKeysListItem);\n\n mediaKeySystemAccess.createMediaKeys()\n .then((mediaKeys) => {\n mediaKeysListItem.mediaKeys = mediaKeys;\n\n logger.log(`Media-keys created for key-system \"${keySystem}\"`);\n\n this._onMediaKeysCreated();\n })\n .catch((err) => {\n logger.error('Failed to create media-keys:', err);\n });\n }\n\n /**\n * Handles key-creation (represents access to CDM). We are going to create key-sessions upon this\n * for all existing keys where no session exists yet.\n *\n * @private\n */\n private _onMediaKeysCreated () {\n // check for all key-list items if a session exists, otherwise, create one\n this._mediaKeysList.forEach((mediaKeysListItem) => {\n if (!mediaKeysListItem.mediaKeysSession) {\n // mediaKeys is definitely initialized here\n mediaKeysListItem.mediaKeysSession = mediaKeysListItem.mediaKeys!.createSession();\n this._onNewMediaKeySession(mediaKeysListItem.mediaKeysSession);\n }\n });\n }\n\n /**\n * @private\n * @param {*} keySession\n */\n private _onNewMediaKeySession (keySession: MediaKeySession) {\n logger.log(`New key-system session ${keySession.sessionId}`);\n\n keySession.addEventListener('message', (event: MediaKeyMessageEvent) => {\n this._onKeySessionMessage(keySession, event.message);\n }, false);\n }\n\n /**\n * @private\n * @param {MediaKeySession} keySession\n * @param {ArrayBuffer} message\n */\n private _onKeySessionMessage (keySession: MediaKeySession, message: ArrayBuffer) {\n logger.log('Got EME message event, creating license request');\n\n this._requestLicense(message, (data: ArrayBuffer) => {\n logger.log(`Received license data (length: ${data ? data.byteLength : data}), updating key-session`);\n keySession.update(data);\n });\n }\n\n /**\n * @private\n * @param {string} initDataType\n * @param {ArrayBuffer|null} initData\n */\n private _onMediaEncrypted = (e: MediaEncryptedEvent) => {\n logger.log(`Media is encrypted using \"${e.initDataType}\" init data type`);\n\n this._attemptSetMediaKeys();\n this._generateRequestWithPreferredKeySession(e.initDataType, e.initData);\n }\n\n /**\n * @private\n */\n private _attemptSetMediaKeys () {\n if (!this._media) {\n throw new Error('Attempted to set mediaKeys without first attaching a media element');\n }\n\n if (!this._hasSetMediaKeys) {\n // FIXME: see if we can/want/need-to really to deal with several potential key-sessions?\n const keysListItem = this._mediaKeysList[0];\n if (!keysListItem || !keysListItem.mediaKeys) {\n logger.error('Fatal: Media is encrypted but no CDM access or no keys have been obtained yet');\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_KEYS,\n fatal: true\n });\n return;\n }\n\n logger.log('Setting keys for encrypted media');\n\n this._media.setMediaKeys(keysListItem.mediaKeys);\n this._hasSetMediaKeys = true;\n }\n }\n\n /**\n * @private\n */\n private _generateRequestWithPreferredKeySession (initDataType: string, initData: ArrayBuffer | null) {\n // FIXME: see if we can/want/need-to really to deal with several potential key-sessions?\n const keysListItem = this._mediaKeysList[0];\n if (!keysListItem) {\n logger.error('Fatal: Media is encrypted but not any key-system access has been obtained yet');\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_ACCESS,\n fatal: true\n });\n return;\n }\n\n if (keysListItem.mediaKeysSessionInitialized) {\n logger.warn('Key-Session already initialized but requested again');\n return;\n }\n\n const keySession = keysListItem.mediaKeysSession;\n if (!keySession) {\n logger.error('Fatal: Media is encrypted but no key-session existing');\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_SESSION,\n fatal: true\n });\n return;\n }\n\n // initData is null if the media is not CORS-same-origin\n if (!initData) {\n logger.warn('Fatal: initData required for generating a key session is null');\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_INIT_DATA,\n fatal: true\n });\n return;\n }\n\n logger.log(`Generating key-session request for \"${initDataType}\" init data type`);\n keysListItem.mediaKeysSessionInitialized = true;\n\n keySession.generateRequest(initDataType, initData)\n .then(() => {\n logger.debug('Key-session generation succeeded');\n })\n .catch((err) => {\n logger.error('Error generating key-session request:', err);\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_SESSION,\n fatal: false\n });\n });\n }\n\n /**\n * @private\n * @param {string} url License server URL\n * @param {ArrayBuffer} keyMessage Message data issued by key-system\n * @param {function} callback Called when XHR has succeeded\n * @returns {XMLHttpRequest} Unsent (but opened state) XHR object\n * @throws if XMLHttpRequest construction failed\n */\n private _createLicenseXhr (url: string, keyMessage: ArrayBuffer, callback: (data: ArrayBuffer) => void): XMLHttpRequest {\n const xhr = new XMLHttpRequest();\n const licenseXhrSetup = this._licenseXhrSetup;\n\n try {\n if (licenseXhrSetup) {\n try {\n licenseXhrSetup(xhr, url);\n } catch (e) {\n // let's try to open before running setup\n xhr.open('POST', url, true);\n licenseXhrSetup(xhr, url);\n }\n }\n // if licenseXhrSetup did not yet call open, let's do it now\n if (!xhr.readyState) {\n xhr.open('POST', url, true);\n }\n } catch (e) {\n // IE11 throws an exception on xhr.open if attempting to access an HTTP resource over HTTPS\n throw new Error(`issue setting up KeySystem license XHR ${e}`);\n }\n\n // Because we set responseType to ArrayBuffer here, callback is typed as handling only array buffers\n xhr.responseType = 'arraybuffer';\n xhr.onreadystatechange =\n this._onLicenseRequestReadyStageChange.bind(this, xhr, url, keyMessage, callback);\n return xhr;\n }\n\n /**\n * @private\n * @param {XMLHttpRequest} xhr\n * @param {string} url License server URL\n * @param {ArrayBuffer} keyMessage Message data issued by key-system\n * @param {function} callback Called when XHR has succeeded\n */\n private _onLicenseRequestReadyStageChange (xhr: XMLHttpRequest, url: string, keyMessage: ArrayBuffer, callback: (data: ArrayBuffer) => void) {\n switch (xhr.readyState) {\n case 4:\n if (xhr.status === 200) {\n this._requestLicenseFailureCount = 0;\n logger.log('License request succeeded');\n\n if (xhr.responseType !== 'arraybuffer') {\n logger.warn('xhr response type was not set to the expected arraybuffer for license request');\n }\n callback(xhr.response);\n } else {\n logger.error(`License Request XHR failed (${url}). Status: ${xhr.status} (${xhr.statusText})`);\n this._requestLicenseFailureCount++;\n if (this._requestLicenseFailureCount > MAX_LICENSE_REQUEST_FAILURES) {\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_LICENSE_REQUEST_FAILED,\n fatal: true\n });\n return;\n }\n\n const attemptsLeft = MAX_LICENSE_REQUEST_FAILURES - this._requestLicenseFailureCount + 1;\n logger.warn(`Retrying license request, ${attemptsLeft} attempts left`);\n this._requestLicense(keyMessage, callback);\n }\n break;\n }\n }\n\n /**\n * @private\n * @param {MediaKeysListItem} keysListItem\n * @param {ArrayBuffer} keyMessage\n * @returns {ArrayBuffer} Challenge data posted to license server\n * @throws if KeySystem is unsupported\n */\n private _generateLicenseRequestChallenge (keysListItem: MediaKeysListItem, keyMessage: ArrayBuffer): ArrayBuffer {\n switch (keysListItem.mediaKeySystemDomain) {\n // case KeySystems.PLAYREADY:\n // from https://github.com/MicrosoftEdge/Demos/blob/master/eme/scripts/demo.js\n /*\n if (this.licenseType !== this.LICENSE_TYPE_WIDEVINE) {\n // For PlayReady CDMs, we need to dig the Challenge out of the XML.\n var keyMessageXml = new DOMParser().parseFromString(String.fromCharCode.apply(null, new Uint16Array(keyMessage)), 'application/xml');\n if (keyMessageXml.getElementsByTagName('Challenge')[0]) {\n challenge = atob(keyMessageXml.getElementsByTagName('Challenge')[0].childNodes[0].nodeValue);\n } else {\n throw 'Cannot find <Challenge> in key message';\n }\n var headerNames = keyMessageXml.getElementsByTagName('name');\n var headerValues = keyMessageXml.getElementsByTagName('value');\n if (headerNames.length !== headerValues.length) {\n throw 'Mismatched header <name>/<value> pair in key message';\n }\n for (var i = 0; i < headerNames.length; i++) {\n xhr.setRequestHeader(headerNames[i].childNodes[0].nodeValue, headerValues[i].childNodes[0].nodeValue);\n }\n }\n break;\n */\n case KeySystems.WIDEVINE:\n // For Widevine CDMs, the challenge is the keyMessage.\n return keyMessage;\n }\n\n throw new Error(`unsupported key-system: ${keysListItem.mediaKeySystemDomain}`);\n }\n\n /**\n * @private\n * @param keyMessage\n * @param callback\n */\n private _requestLicense (keyMessage: ArrayBuffer, callback: (data: ArrayBuffer) => void) {\n logger.log('Requesting content license for key-system');\n\n const keysListItem = this._mediaKeysList[0];\n if (!keysListItem) {\n logger.error('Fatal error: Media is encrypted but no key-system access has been obtained yet');\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_ACCESS,\n fatal: true\n });\n return;\n }\n\n try {\n const url = this.getLicenseServerUrl(keysListItem.mediaKeySystemDomain);\n const xhr = this._createLicenseXhr(url, keyMessage, callback);\n logger.log(`Sending license request to URL: ${url}`);\n const challenge = this._generateLicenseRequestChallenge(keysListItem, keyMessage);\n xhr.send(challenge);\n } catch (e) {\n logger.error(`Failure requesting DRM license: ${e}`);\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_LICENSE_REQUEST_FAILED,\n fatal: true\n });\n }\n }\n\n onMediaAttached (data: { media: HTMLMediaElement; }) {\n if (!this._emeEnabled) {\n return;\n }\n\n const media = data.media;\n\n // keep reference of media\n this._media = media;\n\n media.addEventListener('encrypted', this._onMediaEncrypted);\n }\n\n onMediaDetached () {\n if (this._media) {\n this._media.removeEventListener('encrypted', this._onMediaEncrypted);\n this._media = null; // release reference\n }\n }\n\n // TODO: Use manifest types here when they are defined\n onManifestParsed (data: any) {\n if (!this._emeEnabled) {\n return;\n }\n\n const audioCodecs = data.levels.map((level) => level.audioCodec);\n const videoCodecs = data.levels.map((level) => level.videoCodec);\n\n this._attemptKeySystemAccess(KeySystems.WIDEVINE, audioCodecs, videoCodecs);\n }\n}\n\nexport default EMEController;\n","/**\n * HLS config\n */\n\nimport AbrController from './controller/abr-controller';\nimport BufferController from './controller/buffer-controller';\nimport CapLevelController from './controller/cap-level-controller';\nimport FPSController from './controller/fps-controller';\nimport XhrLoader from './utils/xhr-loader';\n// import FetchLoader from './utils/fetch-loader';\n\nimport AudioTrackController from './controller/audio-track-controller';\nimport AudioStreamController from './controller/audio-stream-controller';\n\nimport * as Cues from './utils/cues';\nimport TimelineController from './controller/timeline-controller';\nimport SubtitleTrackController from './controller/subtitle-track-controller';\nimport { SubtitleStreamController } from './controller/subtitle-stream-controller';\nimport EMEController from './controller/eme-controller';\nimport { requestMediaKeySystemAccess, MediaKeyFunc } from './utils/mediakeys-helper';\n\ntype ABRControllerConfig = {\n abrEwmaFastLive: number,\n abrEwmaSlowLive: number,\n abrEwmaFastVoD: number,\n abrEwmaSlowVoD: number,\n abrEwmaDefaultEstimate: number,\n abrBandWidthFactor: number,\n abrBandWidthUpFactor: number,\n abrMaxWithRealBitrate: boolean,\n maxStarvationDelay: number,\n maxLoadingDelay: number,\n};\n\nexport type BufferControllerConfig = {\n appendErrorMaxRetry: number,\n liveDurationInfinity: boolean,\n liveBackBufferLength: number,\n};\n\ntype CapLevelControllerConfig = {\n capLevelToPlayerSize: boolean\n};\n\nexport type EMEControllerConfig = {\n licenseXhrSetup?: (xhr: XMLHttpRequest, url: string) => void,\n emeEnabled: boolean,\n widevineLicenseUrl?: string,\n requestMediaKeySystemAccessFunc: MediaKeyFunc | null,\n};\n\ntype FragmentLoaderConfig = {\n fLoader: any, // TODO(typescript-loader): Once Loader is typed fill this in\n\n fragLoadingTimeOut: number,\n fragLoadingMaxRetry: number,\n fragLoadingRetryDelay: number,\n fragLoadingMaxRetryTimeout: number,\n};\n\ntype FPSControllerConfig = {\n capLevelOnFPSDrop: boolean,\n fpsDroppedMonitoringPeriod: number,\n fpsDroppedMonitoringThreshold: number,\n};\n\ntype LevelControllerConfig = {\n startLevel?: number\n};\n\ntype MP4RemuxerConfig = {\n stretchShortVideoTrack: boolean,\n maxAudioFramesDrift: number,\n};\n\ntype PlaylistLoaderConfig = {\n pLoader: any, // TODO(typescript-loader): Once Loader is typed fill this in\n\n manifestLoadingTimeOut: number,\n manifestLoadingMaxRetry: number,\n manifestLoadingRetryDelay: number,\n manifestLoadingMaxRetryTimeout: number,\n\n levelLoadingTimeOut: number,\n levelLoadingMaxRetry: number,\n levelLoadingRetryDelay: number,\n levelLoadingMaxRetryTimeout: number\n};\n\ntype StreamControllerConfig = {\n autoStartLoad: boolean,\n startPosition: number,\n defaultAudioCodec?: string,\n initialLiveManifestSize: number,\n maxBufferLength: number,\n maxBufferSize: number,\n maxBufferHole: number,\n\n lowBufferWatchdogPeriod: number,\n highBufferWatchdogPeriod: number,\n nudgeOffset: number,\n nudgeMaxRetry: number,\n maxFragLookUpTolerance: number,\n liveSyncDurationCount: number,\n liveMaxLatencyDurationCount: number,\n liveSyncDuration?: number,\n liveMaxLatencyDuration?: number,\n maxMaxBufferLength: number,\n\n startFragPrefetch: boolean,\n};\n\ntype TimelineControllerConfig = {\n cueHandler: any, // TODO(typescript-cues): Type once file is done\n enableCEA708Captions: boolean,\n enableWebVTT: boolean,\n captionsTextTrack1Label: string,\n captionsTextTrack1LanguageCode: string,\n captionsTextTrack2Label: string,\n captionsTextTrack2LanguageCode: string,\n};\n\ntype TSDemuxerConfig = {\n forceKeyFrameOnDiscontinuity: boolean,\n};\n\nexport type HlsConfig =\n {\n debug: boolean,\n enableWorker: boolean,\n enableSoftwareAES: boolean,\n minAutoBitrate: number,\n loader: any, // TODO(typescript-xhrloader): Type once XHR is done\n xhrSetup?: (xhr: XMLHttpRequest, url: string) => void,\n\n // Alt Audio\n audioStreamController?: any, // TODO(typescript-audiostreamcontroller): Type once file is done\n audioTrackController?: any, // TODO(typescript-audiotrackcontroller): Type once file is done\n // Subtitle\n subtitleStreamController?: any, // TODO(typescript-subtitlestreamcontroller): Type once file is done\n subtitleTrackController?: any, // TODO(typescript-subtitletrackcontroller): Type once file is done\n timelineController?: any, // TODO(typescript-timelinecontroller): Type once file is done\n // EME\n emeController?: typeof EMEController,\n\n abrController: any, // TODO(typescript-abrcontroller): Type once file is done\n bufferController: typeof BufferController,\n capLevelController: any, // TODO(typescript-caplevelcontroller): Type once file is done\n fpsController: any, // TODO(typescript-fpscontroller): Type once file is done\n } &\n ABRControllerConfig &\n BufferControllerConfig &\n CapLevelControllerConfig &\n EMEControllerConfig &\n FPSControllerConfig &\n FragmentLoaderConfig &\n LevelControllerConfig &\n MP4RemuxerConfig &\n PlaylistLoaderConfig &\n StreamControllerConfig &\n Partial<TimelineControllerConfig> &\n TSDemuxerConfig;\n\n// If possible, keep hlsDefaultConfig shallow\n// It is cloned whenever a new Hls instance is created, by keeping the config\n// shallow the properties are cloned, and we don't end up manipulating the default\nexport const hlsDefaultConfig: HlsConfig = {\n autoStartLoad: true, // used by stream-controller\n startPosition: -1, // used by stream-controller\n defaultAudioCodec: void 0, // used by stream-controller\n debug: false, // used by logger\n capLevelOnFPSDrop: false, // used by fps-controller\n capLevelToPlayerSize: false, // used by cap-level-controller\n initialLiveManifestSize: 1, // used by stream-controller\n maxBufferLength: 30, // used by stream-controller\n maxBufferSize: 60 * 1000 * 1000, // used by stream-controller\n maxBufferHole: 0.5, // used by stream-controller\n\n lowBufferWatchdogPeriod: 0.5, // used by stream-controller\n highBufferWatchdogPeriod: 3, // used by stream-controller\n nudgeOffset: 0.1, // used by stream-controller\n nudgeMaxRetry: 3, // used by stream-controller\n maxFragLookUpTolerance: 0.25, // used by stream-controller\n liveSyncDurationCount: 3, // used by stream-controller\n liveMaxLatencyDurationCount: Infinity, // used by stream-controller\n liveSyncDuration: void 0, // used by stream-controller\n liveMaxLatencyDuration: void 0, // used by stream-controller\n liveDurationInfinity: false, // used by buffer-controller\n liveBackBufferLength: Infinity, // used by buffer-controller\n maxMaxBufferLength: 600, // used by stream-controller\n enableWorker: true, // used by demuxer\n enableSoftwareAES: true, // used by decrypter\n manifestLoadingTimeOut: 10000, // used by playlist-loader\n manifestLoadingMaxRetry: 1, // used by playlist-loader\n manifestLoadingRetryDelay: 1000, // used by playlist-loader\n manifestLoadingMaxRetryTimeout: 64000, // used by playlist-loader\n startLevel: void 0, // used by level-controller\n levelLoadingTimeOut: 10000, // used by playlist-loader\n levelLoadingMaxRetry: 4, // used by playlist-loader\n levelLoadingRetryDelay: 1000, // used by playlist-loader\n levelLoadingMaxRetryTimeout: 64000, // used by playlist-loader\n fragLoadingTimeOut: 20000, // used by fragment-loader\n fragLoadingMaxRetry: 6, // used by fragment-loader\n fragLoadingRetryDelay: 1000, // used by fragment-loader\n fragLoadingMaxRetryTimeout: 64000, // used by fragment-loader\n startFragPrefetch: false, // used by stream-controller\n fpsDroppedMonitoringPeriod: 5000, // used by fps-controller\n fpsDroppedMonitoringThreshold: 0.2, // used by fps-controller\n appendErrorMaxRetry: 3, // used by buffer-controller\n loader: XhrLoader,\n // loader: FetchLoader,\n fLoader: void 0, // used by fragment-loader\n pLoader: void 0, // used by playlist-loader\n xhrSetup: void 0, // used by xhr-loader\n licenseXhrSetup: void 0, // used by eme-controller\n // fetchSetup: void 0,\n abrController: AbrController,\n bufferController: BufferController,\n capLevelController: CapLevelController,\n fpsController: FPSController,\n stretchShortVideoTrack: false, // used by mp4-remuxer\n maxAudioFramesDrift: 1, // used by mp4-remuxer\n forceKeyFrameOnDiscontinuity: true, // used by ts-demuxer\n abrEwmaFastLive: 3, // used by abr-controller\n abrEwmaSlowLive: 9, // used by abr-controller\n abrEwmaFastVoD: 3, // used by abr-controller\n abrEwmaSlowVoD: 9, // used by abr-controller\n abrEwmaDefaultEstimate: 5e5, // 500 kbps // used by abr-controller\n abrBandWidthFactor: 0.95, // used by abr-controller\n abrBandWidthUpFactor: 0.7, // used by abr-controller\n abrMaxWithRealBitrate: false, // used by abr-controller\n maxStarvationDelay: 4, // used by abr-controller\n maxLoadingDelay: 4, // used by abr-controller\n minAutoBitrate: 0, // used by hls\n emeEnabled: false, // used by eme-controller\n widevineLicenseUrl: void 0, // used by eme-controller\n requestMediaKeySystemAccessFunc: requestMediaKeySystemAccess, // used by eme-controller\n\n // Dynamic Modules\n ...timelineConfig(),\n subtitleStreamController: (__USE_SUBTITLES__) ? SubtitleStreamController : void 0,\n subtitleTrackController: (__USE_SUBTITLES__) ? SubtitleTrackController : void 0,\n timelineController: (__USE_SUBTITLES__) ? TimelineController : void 0,\n audioStreamController: (__USE_ALT_AUDIO__) ? AudioStreamController : void 0,\n audioTrackController: (__USE_ALT_AUDIO__) ? AudioTrackController : void 0,\n emeController: (__USE_EME_DRM__) ? EMEController : void 0\n};\n\nfunction timelineConfig (): TimelineControllerConfig {\n if (!__USE_SUBTITLES__) {\n // intentionally doing this over returning Partial<TimelineControllerConfig> above\n // this has the added nice property of still requiring the object below to completely define all props.\n return {} as any;\n }\n return {\n cueHandler: Cues, // used by timeline-controller\n enableCEA708Captions: true, // used by timeline-controller\n enableWebVTT: true, // used by timeline-controller\n captionsTextTrack1Label: 'English', // used by timeline-controller\n captionsTextTrack1LanguageCode: 'en', // used by timeline-controller\n captionsTextTrack2Label: 'Spanish', // used by timeline-controller\n captionsTextTrack2LanguageCode: 'es' // used by timeline-controller\n };\n}\n","import * as URLToolkit from 'url-toolkit';\n\nimport {\n ErrorTypes,\n ErrorDetails\n} from './errors';\n\nimport PlaylistLoader from './loader/playlist-loader';\nimport FragmentLoader from './loader/fragment-loader';\nimport KeyLoader from './loader/key-loader';\n\nimport { FragmentTracker } from './controller/fragment-tracker';\nimport StreamController from './controller/stream-controller';\nimport LevelController from './controller/level-controller';\nimport ID3TrackController from './controller/id3-track-controller';\n\nimport { isSupported } from './is-supported';\nimport { logger, enableLogs } from './utils/logger';\nimport { hlsDefaultConfig, HlsConfig } from './config';\n\nimport HlsEvents from './events';\n\nimport { Observer } from './observer';\n\n/**\n * @module Hls\n * @class\n * @constructor\n */\nexport default class Hls extends Observer {\n public static defaultConfig?: HlsConfig;\n public config: HlsConfig;\n\n private _autoLevelCapping: number;\n private abrController: any;\n private capLevelController: any;\n private levelController: any;\n private streamController: any;\n private networkControllers: any[];\n private audioTrackController: any;\n private subtitleTrackController: any;\n private emeController: any;\n private coreComponents: any[];\n private media: HTMLMediaElement | null = null;\n private url: string | null = null;\n\n /**\n * @type {string}\n */\n static get version (): string {\n return __VERSION__;\n }\n\n /**\n * @type {boolean}\n */\n static isSupported (): boolean {\n return isSupported();\n }\n\n /**\n * @type {HlsEvents}\n */\n static get Events () {\n return HlsEvents;\n }\n\n /**\n * @type {HlsErrorTypes}\n */\n static get ErrorTypes () {\n return ErrorTypes;\n }\n\n /**\n * @type {HlsErrorDetails}\n */\n static get ErrorDetails () {\n return ErrorDetails;\n }\n\n /**\n * @type {HlsConfig}\n */\n static get DefaultConfig (): HlsConfig {\n if (!Hls.defaultConfig) {\n return hlsDefaultConfig;\n }\n\n return Hls.defaultConfig;\n }\n\n /**\n * @type {HlsConfig}\n */\n static set DefaultConfig (defaultConfig: HlsConfig) {\n Hls.defaultConfig = defaultConfig;\n }\n\n /**\n * Creates an instance of an HLS client that can attach to exactly one `HTMLMediaElement`.\n *\n * @constructs Hls\n * @param {HlsConfig} config\n */\n constructor (userConfig: Partial<HlsConfig> = {}) {\n super();\n\n const defaultConfig = Hls.DefaultConfig;\n\n if ((userConfig.liveSyncDurationCount || userConfig.liveMaxLatencyDurationCount) && (userConfig.liveSyncDuration || userConfig.liveMaxLatencyDuration)) {\n throw new Error('Illegal hls.js config: don\\'t mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration');\n }\n\n // Shallow clone\n this.config = {\n ...defaultConfig,\n ...userConfig\n };\n\n const { config } = this;\n\n if (config.liveMaxLatencyDurationCount !== void 0 && config.liveMaxLatencyDurationCount <= config.liveSyncDurationCount) {\n throw new Error('Illegal hls.js config: \"liveMaxLatencyDurationCount\" must be gt \"liveSyncDurationCount\"');\n }\n\n if (config.liveMaxLatencyDuration !== void 0 && (config.liveSyncDuration === void 0 || config.liveMaxLatencyDuration <= config.liveSyncDuration)) {\n throw new Error('Illegal hls.js config: \"liveMaxLatencyDuration\" must be gt \"liveSyncDuration\"');\n }\n\n enableLogs(config.debug);\n\n this._autoLevelCapping = -1;\n\n // core controllers and network loaders\n\n /**\n * @member {AbrController} abrController\n */\n const abrController = this.abrController = new config.abrController(this); // eslint-disable-line new-cap\n const bufferController = new config.bufferController(this); // eslint-disable-line new-cap\n const capLevelController = this.capLevelController = new config.capLevelController(this); // eslint-disable-line new-cap\n const fpsController = new config.fpsController(this); // eslint-disable-line new-cap\n const playListLoader = new PlaylistLoader(this);\n const fragmentLoader = new FragmentLoader(this);\n const keyLoader = new KeyLoader(this);\n const id3TrackController = new ID3TrackController(this);\n\n // network controllers\n\n /**\n * @member {LevelController} levelController\n */\n const levelController = this.levelController = new LevelController(this);\n\n // FIXME: FragmentTracker must be defined before StreamController because the order of event handling is important\n const fragmentTracker = new FragmentTracker(this);\n\n /**\n * @member {StreamController} streamController\n */\n const streamController = this.streamController = new StreamController(this, fragmentTracker);\n\n let networkControllers = [levelController, streamController];\n\n // optional audio stream controller\n /**\n * @var {ICoreComponent | Controller}\n */\n let Controller = config.audioStreamController;\n if (Controller) {\n networkControllers.push(new Controller(this, fragmentTracker));\n }\n\n /**\n * @member {INetworkController[]} networkControllers\n */\n this.networkControllers = networkControllers;\n\n /**\n * @var {ICoreComponent[]}\n */\n const coreComponents = [\n playListLoader,\n fragmentLoader,\n keyLoader,\n abrController,\n bufferController,\n capLevelController,\n fpsController,\n id3TrackController,\n fragmentTracker\n ];\n\n // optional audio track and subtitle controller\n Controller = config.audioTrackController;\n if (Controller) {\n const audioTrackController = new Controller(this);\n\n /**\n * @member {AudioTrackController} audioTrackController\n */\n this.audioTrackController = audioTrackController;\n coreComponents.push(audioTrackController);\n }\n\n Controller = config.subtitleTrackController;\n if (Controller) {\n const subtitleTrackController = new Controller(this);\n\n /**\n * @member {SubtitleTrackController} subtitleTrackController\n */\n this.subtitleTrackController = subtitleTrackController;\n networkControllers.push(subtitleTrackController);\n }\n\n Controller = config.emeController;\n if (Controller) {\n const emeController = new Controller(this);\n\n /**\n * @member {EMEController} emeController\n */\n this.emeController = emeController;\n coreComponents.push(emeController);\n }\n\n // optional subtitle controllers\n Controller = config.subtitleStreamController;\n if (Controller) {\n networkControllers.push(new Controller(this, fragmentTracker));\n }\n Controller = config.timelineController;\n if (Controller) {\n coreComponents.push(new Controller(this));\n }\n\n /**\n * @member {ICoreComponent[]}\n */\n this.coreComponents = coreComponents;\n }\n\n /**\n * Dispose of the instance\n */\n destroy () {\n logger.log('destroy');\n this.trigger(HlsEvents.DESTROYING);\n this.detachMedia();\n this.coreComponents.concat(this.networkControllers).forEach(component => {\n component.destroy();\n });\n this.url = null;\n this.removeAllListeners();\n this._autoLevelCapping = -1;\n }\n\n /**\n * Attach a media element\n * @param {HTMLMediaElement} media\n */\n attachMedia (media: HTMLMediaElement) {\n logger.log('attachMedia');\n this.media = media;\n this.trigger(HlsEvents.MEDIA_ATTACHING, { media: media });\n }\n\n /**\n * Detach from the media\n */\n detachMedia () {\n logger.log('detachMedia');\n this.trigger(HlsEvents.MEDIA_DETACHING);\n this.media = null;\n }\n\n /**\n * Set the source URL. Can be relative or absolute.\n * @param {string} url\n */\n loadSource (url: string) {\n url = URLToolkit.buildAbsoluteURL(window.location.href, url, { alwaysNormalize: true });\n logger.log(`loadSource:${url}`);\n this.url = url;\n // when attaching to a source URL, trigger a playlist load\n this.trigger(HlsEvents.MANIFEST_LOADING, { url: url });\n }\n\n /**\n * Start loading data from the stream source.\n * Depending on default config, client starts loading automatically when a source is set.\n *\n * @param {number} startPosition Set the start position to stream from\n * @default -1 None (from earliest point)\n */\n startLoad (startPosition: number = -1) {\n logger.log(`startLoad(${startPosition})`);\n this.networkControllers.forEach(controller => {\n controller.startLoad(startPosition);\n });\n }\n\n /**\n * Stop loading of any stream data.\n */\n stopLoad () {\n logger.log('stopLoad');\n this.networkControllers.forEach(controller => {\n controller.stopLoad();\n });\n }\n\n /**\n * Swap through possible audio codecs in the stream (for example to switch from stereo to 5.1)\n */\n swapAudioCodec () {\n logger.log('swapAudioCodec');\n this.streamController.swapAudioCodec();\n }\n\n /**\n * When the media-element fails, this allows to detach and then re-attach it\n * as one call (convenience method).\n *\n * Automatic recovery of media-errors by this process is configurable.\n */\n recoverMediaError () {\n logger.log('recoverMediaError');\n let media = this.media;\n this.detachMedia();\n if (media) {\n this.attachMedia(media);\n }\n }\n\n /**\n * @type {QualityLevel[]}\n */\n // todo(typescript-levelController)\n get levels (): any[] {\n return this.levelController.levels;\n }\n\n /**\n * Index of quality level currently played\n * @type {number}\n */\n get currentLevel (): number {\n return this.streamController.currentLevel;\n }\n\n /**\n * Set quality level index immediately .\n * This will flush the current buffer to replace the quality asap.\n * That means playback will interrupt at least shortly to re-buffer and re-sync eventually.\n * @type {number} -1 for automatic level selection\n */\n set currentLevel (newLevel: number) {\n logger.log(`set currentLevel:${newLevel}`);\n this.loadLevel = newLevel;\n this.streamController.immediateLevelSwitch();\n }\n\n /**\n * Index of next quality level loaded as scheduled by stream controller.\n * @type {number}\n */\n get nextLevel (): number {\n return this.streamController.nextLevel;\n }\n\n /**\n * Set quality level index for next loaded data.\n * This will switch the video quality asap, without interrupting playback.\n * May abort current loading of data, and flush parts of buffer (outside currently played fragment region).\n * @type {number} -1 for automatic level selection\n */\n set nextLevel (newLevel: number) {\n logger.log(`set nextLevel:${newLevel}`);\n this.levelController.manualLevel = newLevel;\n this.streamController.nextLevelSwitch();\n }\n\n /**\n * Return the quality level of the currently or last (of none is loaded currently) segment\n * @type {number}\n */\n get loadLevel (): number {\n return this.levelController.level;\n }\n\n /**\n * Set quality level index for next loaded data in a conservative way.\n * This will switch the quality without flushing, but interrupt current loading.\n * Thus the moment when the quality switch will appear in effect will only be after the already existing buffer.\n * @type {number} newLevel -1 for automatic level selection\n */\n set loadLevel (newLevel: number) {\n logger.log(`set loadLevel:${newLevel}`);\n this.levelController.manualLevel = newLevel;\n }\n\n /**\n * get next quality level loaded\n * @type {number}\n */\n get nextLoadLevel (): number {\n return this.levelController.nextLoadLevel;\n }\n\n /**\n * Set quality level of next loaded segment in a fully \"non-destructive\" way.\n * Same as `loadLevel` but will wait for next switch (until current loading is done).\n * @type {number} level\n */\n set nextLoadLevel (level: number) {\n this.levelController.nextLoadLevel = level;\n }\n\n /**\n * Return \"first level\": like a default level, if not set,\n * falls back to index of first level referenced in manifest\n * @type {number}\n */\n get firstLevel (): number {\n return Math.max(this.levelController.firstLevel, this.minAutoLevel);\n }\n\n /**\n * Sets \"first-level\", see getter.\n * @type {number}\n */\n set firstLevel (newLevel: number) {\n logger.log(`set firstLevel:${newLevel}`);\n this.levelController.firstLevel = newLevel;\n }\n\n /**\n * Return start level (level of first fragment that will be played back)\n * if not overrided by user, first level appearing in manifest will be used as start level\n * if -1 : automatic start level selection, playback will start from level matching download bandwidth\n * (determined from download of first segment)\n * @type {number}\n */\n get startLevel (): number {\n return this.levelController.startLevel;\n }\n\n /**\n * set start level (level of first fragment that will be played back)\n * if not overrided by user, first level appearing in manifest will be used as start level\n * if -1 : automatic start level selection, playback will start from level matching download bandwidth\n * (determined from download of first segment)\n * @type {number} newLevel\n */\n set startLevel (newLevel: number) {\n logger.log(`set startLevel:${newLevel}`);\n // if not in automatic start level detection, ensure startLevel is greater than minAutoLevel\n if (newLevel !== -1) {\n newLevel = Math.max(newLevel, this.minAutoLevel);\n }\n\n this.levelController.startLevel = newLevel;\n }\n\n /**\n * set dynamically set capLevelToPlayerSize against (`CapLevelController`)\n *\n * @type {boolean}\n */\n set capLevelToPlayerSize (shouldStartCapping: boolean) {\n const newCapLevelToPlayerSize = !!shouldStartCapping;\n\n if (newCapLevelToPlayerSize !== this.config.capLevelToPlayerSize) {\n if (newCapLevelToPlayerSize) {\n this.capLevelController.startCapping(); // If capping occurs, nextLevelSwitch will happen based on size.\n } else {\n this.capLevelController.stopCapping();\n this.autoLevelCapping = -1;\n this.streamController.nextLevelSwitch(); // Now we're uncapped, get the next level asap.\n }\n\n this.config.capLevelToPlayerSize = newCapLevelToPlayerSize;\n }\n }\n\n /**\n * Capping/max level value that should be used by automatic level selection algorithm (`ABRController`)\n * @type {number}\n */\n get autoLevelCapping (): number {\n return this._autoLevelCapping;\n }\n\n /**\n * get bandwidth estimate\n * @type {number}\n */\n get bandwidthEstimate (): number {\n const bwEstimator = this.abrController._bwEstimator;\n return bwEstimator ? bwEstimator.getEstimate() : NaN;\n }\n\n /**\n * Capping/max level value that should be used by automatic level selection algorithm (`ABRController`)\n * @type {number}\n */\n set autoLevelCapping (newLevel: number) {\n logger.log(`set autoLevelCapping:${newLevel}`);\n this._autoLevelCapping = newLevel;\n }\n\n /**\n * True when automatic level selection enabled\n * @type {boolean}\n */\n get autoLevelEnabled (): boolean {\n return (this.levelController.manualLevel === -1);\n }\n\n /**\n * Level set manually (if any)\n * @type {number}\n */\n get manualLevel (): number {\n return this.levelController.manualLevel;\n }\n\n /**\n * min level selectable in auto mode according to config.minAutoBitrate\n * @type {number}\n */\n get minAutoLevel (): number {\n const { levels, config: { minAutoBitrate } } = this;\n const len = levels ? levels.length : 0;\n\n for (let i = 0; i < len; i++) {\n const levelNextBitrate = levels[i].realBitrate\n ? Math.max(levels[i].realBitrate, levels[i].bitrate)\n : levels[i].bitrate;\n\n if (levelNextBitrate > minAutoBitrate) {\n return i;\n }\n }\n\n return 0;\n }\n\n /**\n * max level selectable in auto mode according to autoLevelCapping\n * @type {number}\n */\n get maxAutoLevel (): number {\n const { levels, autoLevelCapping } = this;\n\n let maxAutoLevel;\n if (autoLevelCapping === -1 && levels && levels.length) {\n maxAutoLevel = levels.length - 1;\n } else {\n maxAutoLevel = autoLevelCapping;\n }\n\n return maxAutoLevel;\n }\n\n /**\n * next automatically selected quality level\n * @type {number}\n */\n get nextAutoLevel (): number {\n // ensure next auto level is between min and max auto level\n return Math.min(Math.max(this.abrController.nextAutoLevel, this.minAutoLevel), this.maxAutoLevel);\n }\n\n /**\n * this setter is used to force next auto level.\n * this is useful to force a switch down in auto mode:\n * in case of load error on level N, hls.js can set nextAutoLevel to N-1 for example)\n * forced value is valid for one fragment. upon succesful frag loading at forced level,\n * this value will be resetted to -1 by ABR controller.\n * @type {number}\n */\n set nextAutoLevel (nextLevel: number) {\n this.abrController.nextAutoLevel = Math.max(this.minAutoLevel, nextLevel);\n }\n\n /**\n * @type {AudioTrack[]}\n */\n // todo(typescript-audioTrackController)\n get audioTracks (): any[] {\n const audioTrackController = this.audioTrackController;\n return audioTrackController ? audioTrackController.audioTracks : [];\n }\n\n /**\n * index of the selected audio track (index in audio track lists)\n * @type {number}\n */\n get audioTrack (): number {\n const audioTrackController = this.audioTrackController;\n return audioTrackController ? audioTrackController.audioTrack : -1;\n }\n\n /**\n * selects an audio track, based on its index in audio track lists\n * @type {number}\n */\n set audioTrack (audioTrackId: number) {\n const audioTrackController = this.audioTrackController;\n if (audioTrackController) {\n audioTrackController.audioTrack = audioTrackId;\n }\n }\n\n /**\n * @type {Seconds}\n */\n get liveSyncPosition (): number {\n return this.streamController.liveSyncPosition;\n }\n\n /**\n * get alternate subtitle tracks list from playlist\n * @type {SubtitleTrack[]}\n */\n // todo(typescript-subtitleTrackController)\n get subtitleTracks (): any[] {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleTracks : [];\n }\n\n /**\n * index of the selected subtitle track (index in subtitle track lists)\n * @type {number}\n */\n get subtitleTrack (): number {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleTrack : -1;\n }\n\n /**\n * select an subtitle track, based on its index in subtitle track lists\n * @type {number}\n */\n set subtitleTrack (subtitleTrackId: number) {\n const subtitleTrackController = this.subtitleTrackController;\n if (subtitleTrackController) {\n subtitleTrackController.subtitleTrack = subtitleTrackId;\n }\n }\n\n /**\n * @type {boolean}\n */\n get subtitleDisplay (): boolean {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleDisplay : false;\n }\n\n /**\n * Enable/disable subtitle display rendering\n * @type {boolean}\n */\n set subtitleDisplay (value: boolean) {\n const subtitleTrackController = this.subtitleTrackController;\n if (subtitleTrackController) {\n subtitleTrackController.subtitleDisplay = value;\n }\n }\n}\n","export const isFiniteNumber = Number.isFinite || function (value) {\n return typeof value === 'number' && isFinite(value);\n};\n","export function getSelfScope () {\n // see https://stackoverflow.com/a/11237259/589493\n if (typeof window === 'undefined') {\n /* eslint-disable-next-line no-undef */\n return self;\n } else {\n return window;\n }\n}\n","import { getSelfScope } from './get-self-scope';\n\nfunction noop (...args) {}\n\nconst fakeLogger = {\n trace: noop,\n debug: noop,\n log: noop,\n warn: noop,\n info: noop,\n error: noop\n};\n\nlet exportedLogger = fakeLogger;\n\n// let lastCallTime;\n// function formatMsgWithTimeInfo(type, msg) {\n// const now = Date.now();\n// const diff = lastCallTime ? '+' + (now - lastCallTime) : '0';\n// lastCallTime = now;\n// msg = (new Date(now)).toISOString() + ' | [' + type + '] > ' + msg + ' ( ' + diff + ' ms )';\n// return msg;\n// }\n\nfunction formatMsg (type, msg) {\n msg = '[' + type + '] > ' + msg;\n return msg;\n}\n\nconst global = getSelfScope();\n\nfunction consolePrintFn (type) {\n const func = global.console[type];\n if (func) {\n return function (...args) {\n if (args[0]) {\n args[0] = formatMsg(type, args[0]);\n }\n\n func.apply(global.console, args);\n };\n }\n return noop;\n}\n\nfunction exportLoggerFunctions (debugConfig, ...functions) {\n functions.forEach(function (type) {\n exportedLogger[type] = debugConfig[type] ? debugConfig[type].bind(debugConfig) : consolePrintFn(type);\n });\n}\n\nexport const enableLogs = function (debugConfig) {\n // check that console is available\n if ((global.console && debugConfig === true) || typeof debugConfig === 'object') {\n exportLoggerFunctions(debugConfig,\n // Remove out from list here to hard-disable a log-level\n // 'trace',\n 'debug',\n 'log',\n 'info',\n 'warn',\n 'error'\n );\n // Some browsers don't allow to use bind on console object anyway\n // fallback to default if needed\n try {\n exportedLogger.log();\n } catch (e) {\n exportedLogger = fakeLogger;\n }\n } else {\n exportedLogger = fakeLogger;\n }\n};\n\nexport const logger = exportedLogger;\n"],"sourceRoot":""} \ No newline at end of file +{"version":3,"sources":["webpack://Hls/webpack/universalModuleDefinition","webpack://Hls/webpack/bootstrap","webpack://Hls/./node_modules/eventemitter3/index.js","webpack://Hls/./node_modules/url-toolkit/src/url-toolkit.js","webpack://Hls/./node_modules/webworkify-webpack/index.js","webpack://Hls/./src/crypt/aes-crypto.js","webpack://Hls/./src/crypt/fast-aes-key.js","webpack://Hls/./src/crypt/aes-decryptor.js","webpack://Hls/./src/crypt/decrypter.js","webpack://Hls/./src/demux/adts.js","webpack://Hls/./src/demux/aacdemuxer.js","webpack://Hls/./src/demux/mpegaudio.js","webpack://Hls/./src/demux/exp-golomb.js","webpack://Hls/./src/demux/sample-aes.js","webpack://Hls/./src/demux/tsdemuxer.js","webpack://Hls/./src/demux/mp3demuxer.js","webpack://Hls/./src/remux/passthrough-remuxer.js","webpack://Hls/./src/demux/demuxer-inline.js","webpack://Hls/./src/demux/demuxer-worker.js","webpack://Hls/./src/demux/id3.js","webpack://Hls/./src/demux/mp4demuxer.js","webpack://Hls/./src/errors.ts","webpack://Hls/./src/events.js","webpack://Hls/./src/event-handler.ts","webpack://Hls/./src/types/loader.ts","webpack://Hls/./src/loader/level-key.ts","webpack://Hls/./src/loader/fragment.ts","webpack://Hls/./src/loader/level.js","webpack://Hls/./src/utils/attr-list.js","webpack://Hls/./src/utils/codecs.ts","webpack://Hls/./src/loader/m3u8-parser.ts","webpack://Hls/./src/loader/playlist-loader.ts","webpack://Hls/./src/loader/fragment-loader.js","webpack://Hls/./src/loader/key-loader.ts","webpack://Hls/./src/controller/fragment-tracker.js","webpack://Hls/./src/utils/binary-search.ts","webpack://Hls/./src/utils/buffer-helper.ts","webpack://Hls/./src/utils/mediasource-helper.ts","webpack://Hls/./src/observer.ts","webpack://Hls/./src/demux/demuxer.js","webpack://Hls/./src/controller/level-helper.js","webpack://Hls/./src/utils/time-ranges.ts","webpack://Hls/./src/utils/discontinuities.js","webpack://Hls/./src/controller/fragment-finders.ts","webpack://Hls/./src/controller/gap-controller.js","webpack://Hls/./src/task-loop.ts","webpack://Hls/./src/controller/base-stream-controller.js","webpack://Hls/./src/controller/stream-controller.js","webpack://Hls/./src/controller/level-controller.js","webpack://Hls/./src/utils/texttrack-utils.ts","webpack://Hls/./src/controller/id3-track-controller.js","webpack://Hls/./src/is-supported.ts","webpack://Hls/./src/utils/ewma.ts","webpack://Hls/./src/utils/ewma-bandwidth-estimator.ts","webpack://Hls/./src/controller/abr-controller.js","webpack://Hls/./src/controller/buffer-controller.ts","webpack://Hls/./src/controller/cap-level-controller.js","webpack://Hls/./src/controller/fps-controller.js","webpack://Hls/./src/utils/xhr-loader.js","webpack://Hls/./src/controller/audio-track-controller.js","webpack://Hls/./src/controller/audio-stream-controller.js","webpack://Hls/./src/utils/vttcue.js","webpack://Hls/./src/utils/vttparser.js","webpack://Hls/./src/utils/cues.ts","webpack://Hls/./src/utils/cea-608-parser.ts","webpack://Hls/./src/utils/output-filter.ts","webpack://Hls/./src/utils/webvtt-parser.ts","webpack://Hls/./src/controller/timeline-controller.ts","webpack://Hls/./src/controller/subtitle-track-controller.js","webpack://Hls/./src/controller/subtitle-stream-controller.js","webpack://Hls/./src/utils/mediakeys-helper.ts","webpack://Hls/./src/controller/eme-controller.ts","webpack://Hls/./src/config.ts","webpack://Hls/./src/hls.ts","webpack://Hls/./src/polyfills/number-isFinite.js","webpack://Hls/./src/remux/aac-helper.js","webpack://Hls/./src/remux/mp4-generator.js","webpack://Hls/./src/remux/mp4-remuxer.js","webpack://Hls/./src/utils/get-self-scope.js","webpack://Hls/./src/utils/logger.js","webpack://Hls/./src/utils/timescale-conversion.ts"],"names":["AESCrypto","subtle","iv","aesIV","decrypt","data","key","name","FastAESKey","expandKey","importKey","removePadding","buffer","outputBytes","byteLength","paddingBytes","DataView","getUint8","slice","AESDecryptor","rcon","subMix","Uint32Array","invSubMix","sBox","invSBox","initTable","uint8ArrayToUint32Array_","arrayBuffer","view","newArray","i","getUint32","subMix0","subMix1","subMix2","subMix3","invSubMix0","invSubMix1","invSubMix2","invSubMix3","d","x","xi","sx","x2","x4","x8","t","keyBuffer","sameKey","offset","length","keySize","Error","ksRows","ksRow","invKsRow","keySchedule","invKeySchedule","sbox","prev","networkToHostOrderSwap","word","inputArrayBuffer","removePKCS7Padding","nRounds","invSBOX","initVector","initVector0","initVector1","initVector2","initVector3","inputInt32","Int32Array","outputInt32","t0","t1","t2","t3","s0","s1","s2","s3","inputWords0","inputWords1","inputWords2","inputWords3","swapWord","destroy","undefined","global","getSelfScope","Decrypter","observer","config","logEnabled","browserCrypto","crypto","webkitSubtle","e","disableWebCrypto","isSync","enableSoftwareAES","callback","logger","log","decryptor","fastAesKey","then","aesKey","catch","err","onWebCryptoError","result","error","message","trigger","Event","ERROR","type","ErrorTypes","MEDIA_ERROR","details","ErrorDetails","FRAG_DECRYPT_ERROR","fatal","reason","getAudioConfig","audioCodec","adtsObjectType","adtsSampleingIndex","adtsExtensionSampleingIndex","adtsChanelConfig","userAgent","navigator","toLowerCase","manifestCodec","adtsSampleingRates","FRAG_PARSING_ERROR","test","Array","indexOf","samplerate","channelCount","codec","isHeaderPattern","getHeaderLength","getFullFrameLength","isHeader","probe","headerLength","frameLength","newOffset","initTrackConfig","track","getFrameDuration","parseFrameHeader","pts","frameIndex","frameDuration","stamp","appendFrame","header","aacSample","unit","subarray","dts","samples","push","sample","AACDemuxer","remuxer","resetInitSegment","initSegment","videoCodec","duration","_audioTrack","container","id","sequenceNumber","isAAC","len","inputTimeScale","resetTimeStamp","id3Data","ID3","getID3Data","ADTS","append","timeOffset","contiguous","accurateTimeOffset","timestamp","getTimeStamp","id3Samples","frame","remux","MpegAudio","BitratesMap","SamplingRateMap","SamplesCoefficients","BytesInSlot","parseHeader","samplesPerFrame","sampleRate","headerB","headerC","headerE","headerF","headerG","columnInBitrates","bitRate","columnInSampleRates","sampleCoefficient","bytesInSlot","parseInt","ExpGolomb","bytesAvailable","bitsAvailable","loadWord","position","workingBytes","Uint8Array","availableBytes","Math","min","set","skipBits","count","skipBytes","readBits","size","bits","valu","skipLZ","leadingZeroCount","skipUEG","skipEG","readUEG","clz","readEG","readBoolean","readUByte","readUShort","readUInt","skipScalingList","lastScale","nextScale","j","deltaScale","readSPS","frameCropLeftOffset","frameCropRightOffset","frameCropTopOffset","frameCropBottomOffset","profileIdc","profileCompat","levelIdc","numRefFramesInPicOrderCntCycle","picWidthInMbsMinus1","picHeightInMapUnitsMinus1","frameMbsOnlyFlag","scalingListCount","bind","chromaFormatIdc","picOrderCntType","pixelRatio","aspectRatioIdc","width","ceil","height","readSliceType","SampleAesDecrypter","decryptdata","discardEPB","decrypter","decryptBuffer","encryptedData","decryptAacSample","sampleIndex","sync","curUnit","encryptedBuffer","byteOffset","localthis","decryptedData","decryptAacSamples","getAvcEncryptedData","decodedData","encryptedDataLen","floor","Int8Array","outputPos","inputPos","getAvcDecryptedUnit","decryptAvcSample","unitIndex","decryptAvcSamples","curUnits","units","RemuxerTrackIdConfig","video","audio","id3","text","TSDemuxer","typeSupported","sampleAes","setDecryptData","method","syncOffset","_syncOffset","warn","scanwindow","createTrack","pid","dropped","pmtParsed","_pmtId","_avcTrack","_id3Track","_txtTrack","aacOverFlow","aacLastPTS","avcSample","_duration","start","stt","atf","pes","unknownPIDs","avcTrack","audioTrack","id3Track","avcId","audioId","id3Id","pmtId","avcData","pesData","audioData","parsePAT","_parsePAT","parsePMT","_parsePMT","parsePES","_parsePES","parseAVCPES","_parseAVCPES","parseAACPES","_parseAACPES","parseMPEGPES","_parseMPEGPES","parseID3PES","_parseID3PES","parsedPIDs","mpeg","mp3","avc","decryptAndRemux","videoTrack","textTrack","decryptAndRemuxAvc","_initPTS","_initDTS","mpegSupported","isSampleAes","sectionLength","tableEnd","programInfoLength","stream","frag","pesFlags","pesPrefix","pesLen","pesHdrLen","pesPts","pesDts","payloadStartOffset","newData","splice","round","dataLen","pushAccesUnit","nbSamples","isNaN","lastSample","forceKeyFrameOnDiscontinuity","sps","debug","last","_parseAVCNALu","expGolombDecoder","spsfound","createAVCSample","audFound","forEach","sliceType","payloadType","payloadSize","endOfCaptions","b","countryCode","providerCode","userStructure","userDataType","firstByte","secondByte","totalCCs","byteArray","_insertSampleInOrder","bytes","uuidStrArray","toString","userDataPayloadBytes","uuid","join","userDataBytes","userData","utf8ArrayToStr","codecarray","codecstring","h","pps","arr","pos","_getLastNalUnit","lastUnit","array","value","overflow","state","naluState","lastState","unitType","lastUnitStart","lastUnitType","tmp","EPBPositions","newLength","sourceIndex","shift","startOffset","newPTS","abs","MP3Demuxer","PassThroughRemuxer","rawData","streamType","FRAG_PARSING_DATA","data1","startPTS","startDTS","hasAudio","hasVideo","nb","FRAG_PARSED","now","performance","Date","DemuxerInline","vendor","demuxer","discontinuity","trackSwitch","defaultInitPTS","startTime","endTime","FRAG_DECRYPTED","stats","tstart","tdecrypt","pushDecrypted","muxConfig","demux","MP4Remuxer","MP4Demuxer","mux","DemuxerWorker","self","EventEmitter","event","emit","off","removeListener","forwardMessage","ev","postMessage","addEventListener","cmd","JSON","parse","enableLogs","on","FRAG_PARSING_INIT_SEGMENT","FRAG_PARSING_METADATA","FRAG_PARSING_USERDATA","INIT_PTS_FOUND","transferable","data2","isFooter","front","_readSize","frames","getID3Frames","isTimeStampFrame","_readTimeStamp","info","_getFrameData","String","fromCharCode","end","frameData","_decodeFrame","_decodePrivFrame","_decodeTextFrame","_decodeURLFrame","timeStampFrame","pts33Bit","owner","_utf8ArrayToStr","privateData","index","description","url","exitOnNull","decoder","getTextDecoder","decoded","decode","idx","substring","replace","c","char2","char3","out","TextDecoder","UINT32_MAX","pow","initPTS","initData","parseInitSegment","tracks","audiovideo","findBox","bin2str","apply","readUint16","val","readUint32","writeUint32","path","results","subresults","endbox","concat","parseSegmentIndex","moov","moovEndOffset","sidx","references","version","timescale","earliestPresentationTime","firstOffset","startByte","referencesCount","referenceIndex","referenceInfo","referenceSize","referenceType","console","subsegmentDuration","traks","trak","tkhd","trackId","mdhd","hdlr","hdlrType","codecBox","codecType","getStartDTS","fragment","trafs","baseTimes","map","traf","tfhd","scale","baseTime","tfdt","isFinite","offsetStartDTS","baseMediaDecodeTime","max","upper","lower","HlsEvents","MEDIA_ATTACHING","MEDIA_ATTACHED","MEDIA_DETACHING","MEDIA_DETACHED","BUFFER_RESET","BUFFER_CODECS","BUFFER_CREATED","BUFFER_APPENDING","BUFFER_APPENDED","BUFFER_EOS","BUFFER_FLUSHING","BUFFER_FLUSHED","MANIFEST_LOADING","MANIFEST_LOADED","MANIFEST_PARSED","LEVEL_SWITCHING","LEVEL_SWITCHED","LEVEL_LOADING","LEVEL_LOADED","LEVEL_UPDATED","LEVEL_PTS_UPDATED","LIVE_BACK_BUFFER_REACHED","AUDIO_TRACKS_UPDATED","AUDIO_TRACK_SWITCHING","AUDIO_TRACK_SWITCHED","AUDIO_TRACK_LOADING","AUDIO_TRACK_LOADED","SUBTITLE_TRACKS_UPDATED","SUBTITLE_TRACK_SWITCH","SUBTITLE_TRACK_LOADING","SUBTITLE_TRACK_LOADED","SUBTITLE_FRAG_PROCESSED","FRAG_LOADING","FRAG_LOAD_PROGRESS","FRAG_LOAD_EMERGENCY_ABORTED","FRAG_LOADED","FRAG_BUFFERED","FRAG_CHANGED","FPS_DROP","FPS_DROP_LEVEL_CAPPING","DESTROYING","KEY_LOADING","KEY_LOADED","STREAM_STATE_TRANSITION","CAN_PLAY_AFTER_SEEK","FORBIDDEN_EVENT_NAMES","EventHandler","hls","handledEvents","useGenericHandler","onEvent","events","registerListeners","onHandlerDestroying","unregisterListeners","onHandlerDestroyed","isEventHandler","onEventGeneric","eventToFunction","funcName","constructor","call","OTHER_ERROR","INTERNAL_EXCEPTION","PlaylistContextType","PlaylistLevelType","LevelKey","baseURI","relativeURI","_uri","baseuri","reluri","buildAbsoluteURL","alwaysNormalize","ElementaryStreamTypes","Fragment","_url","_byteRange","_decryptdata","_elementaryStreams","AUDIO","VIDEO","deltaPTS","rawProgramDateTime","programDateTime","title","tagList","cc","relurl","baseurl","sn","urlId","level","levelkey","loader","setByteRange","previousFrag","params","split","byteRange","byteRangeEndOffset","addElementaryStream","hasElementaryStream","createInitializationVector","segmentNumber","uint8View","setDecryptDataFromLevelKey","uri","Level","baseUrl","endCC","endSN","fragments","live","needSidxRanges","startCC","startSN","startTimeOffset","targetduration","totalduration","DECIMAL_RESOLUTION_REGEX","ATTR_LIST_REGEX","AttrList","attrs","parseAttrList","attr","hasOwnProperty","decimalInteger","attrName","intValue","Number","MAX_SAFE_INTEGER","Infinity","hexadecimalInteger","stringValue","hexadecimalIntegerAsNumber","decimalFloatingPoint","parseFloat","enumeratedString","decimalResolution","res","exec","input","match","lastIndex","quote","lastIndexOf","sampleEntryCodesISO","isCodecType","typeCodes","isCodecSupportedInMp4","MediaSource","isTypeSupported","MASTER_PLAYLIST_REGEX","MASTER_PLAYLIST_MEDIA_REGEX","LEVEL_PLAYLIST_REGEX_FAST","RegExp","source","LEVEL_PLAYLIST_REGEX_SLOW","MP4_REGEX_SUFFIX","M3U8Parser","findGroup","groups","mediaGroupId","group","convertAVC1ToAVCOTI","avcdata","substr","resolve","URLToolkit","parseMasterPlaylist","string","levels","setCodecs","codecs","filtered","filter","preferred","unknownCodecs","resolution","bitrate","NAME","CODECS","parseMasterPlaylistMedia","audioGroups","medias","TYPE","media","groupId","LANGUAGE","default","DEFAULT","autoselect","AUTOSELECT","forced","FORCED","lang","URI","groupCodec","parseLevelPlaylist","levelUrlId","currentSN","discontinuityCounter","prevFrag","firstPdtIndex","assignProgramDateTime","value1","value2","toUpperCase","decryptparams","keyAttrs","decryptmethod","decrypturi","decryptiv","startAttrs","mapAttrs","BYTERANGE","pop","averagetargetduration","every","backfillProgramDateTimes","startIndex","fragPrev","endProgramDateTime","window","PlaylistLoader","loaders","canHaveQualityLevels","AUDIO_TRACK","SUBTITLE_TRACK","mapContextToLevelType","context","SUBTITLE","MAIN","getResponseUrl","response","createInternalLoader","PLoader","pLoader","Loader","InternalLoader","getInternalLoader","resetInternalLoader","contextType","destroyInternalLoaders","onManifestLoading","load","MANIFEST","responseType","onLevelLoading","LEVEL","onAudioTrackLoading","onSubtitleTrackLoading","loaderContext","trace","abort","maxRetry","timeout","retryDelay","maxRetryDelay","manifestLoadingMaxRetry","manifestLoadingTimeOut","manifestLoadingRetryDelay","manifestLoadingMaxRetryTimeout","levelLoadingTimeOut","levelLoadingMaxRetry","levelLoadingRetryDelay","levelLoadingMaxRetryTimeout","loaderConfig","loaderCallbacks","onSuccess","loadsuccess","onError","loaderror","onTimeout","loadtimeout","networkDetails","isSidxRequest","_handleSidxRequest","_handlePlaylistLoaded","tload","_handleManifestParsingError","_handleTrackOrLevelPlaylist","_handleMasterPlaylist","_handleNetworkError","audioTracks","subtitles","embeddedAudioFound","unshift","levelId","levelType","levelDetails","singleLevel","tparsed","sidxUrl","rangeStart","rangeEnd","sidxInfo","sidxReferences","segmentRef","segRefInfo","NETWORK_ERROR","MANIFEST_PARSING_ERROR","MANIFEST_LOAD_TIMEOUT","MANIFEST_LOAD_ERROR","LEVEL_LOAD_TIMEOUT","LEVEL_LOAD_ERROR","AUDIO_TRACK_LOAD_TIMEOUT","AUDIO_TRACK_LOAD_ERROR","errorData","canHaveLevels","FragmentLoader","loaderName","onFragLoading","FragmentILoader","fLoader","DefaultILoader","loaded","progressData","byteRangeStartOffset","fragLoadingTimeOut","fragLoadingMaxRetryTimeout","onProgress","loadprogress","payload","FRAG_LOAD_ERROR","FRAG_LOAD_TIMEOUT","KeyLoader","decryptkey","decrypturl","onKeyLoading","fragLoadingRetryDelay","KEY_LOAD_ERROR","KEY_LOAD_TIMEOUT","FragmentState","NOT_LOADED","APPENDING","PARTIAL","OK","FragmentTracker","bufferPadding","Object","create","timeRanges","prototype","getBufferedFrag","bufferedFrags","keys","fragmentEntity","body","buffered","endPTS","bufferedFragKey","detectEvictedFragments","elementaryStream","timeRange","fragmentTimes","time","esData","range","isTimeBuffered","removeFragment","detectPartialFragments","fragKey","getFragmentKey","getBufferedTimes","fragmentPartial","partial","getPartialFragment","timePadding","bestFragment","bestOverlap","isPartial","getState","onFragLoaded","bitrateTest","onBufferAppended","onFragBuffered","hasFragment","removeAllFragments","BinarySearch","search","list","comparisonFn","minIndex","maxIndex","currentIndex","currentElement","comparisonResult","BufferHelper","isBuffered","bufferInfo","maxHoleDuration","vbuffered","bufferedInfo","nextStart","sort","a","diff","buffered2","buf2len","buf2end","bufferLen","bufferStartNext","bufferStart","bufferEnd","getBufferedPosWithinTolerance","maxFragLookUpTolerance","currentTime","getMediaSource","WebKitMediaSource","Observer","Demuxer","mp4","enableWorker","Worker","w","work","require","onwmsg","onWorkerMessage","onerror","filename","lineno","stringify","URL","revokeObjectURL","objectURL","removeEventListener","terminate","removeAllListeners","lastFrag","nextSN","ArrayBuffer","addGroupId","audioGroupIds","textGroupIds","updatePTS","fromIdx","toIdx","fragFrom","fragTo","fragToPTS","updateFragPTSDTS","endDTS","maxStartPTS","drift","fragIdx","PTSKnown","mergeDetails","oldDetails","newDetails","ccOffset","PTSFrag","mapFragmentIntersection","oldFrag","newFrag","backtracked","newFragments","adjustSliding","mergeSubtitlePlaylists","oldPlaylist","newPlaylist","referenceStart","frags","intersectionFn","delta","oldFragments","computeReloadInterval","currentPlaylist","lastRequestTime","reloadInterval","minReloadInterval","TimeRanges","r","toFixed","findFirstFragWithCC","firstFrag","currentFrag","findFragWithCC","CC","candidate","shouldAlignOnDiscontinuities","lastLevel","shouldAlign","findDiscontinuousReferenceFrag","prevDetails","curDetails","prevFrags","curFrags","prevStartFrag","adjustPts","sliding","alignStream","alignDiscontinuities","alignPDT","referenceFrag","lastDetails","hasProgramDateTime","lastPDT","newPDT","findFragmentByPDT","PDTValue","isArray","startPDT","endPDT","seg","pdtWithinToleranceTest","findFragmentByPTS","fragPrevious","fragNext","fragmentWithinToleranceTest","candidateLookupTolerance","pdtBufferEnd","STALL_MINIMUM_DURATION_MS","MAX_START_GAP_JUMP","SKIP_BUFFER_HOLE_STEP_SECONDS","SKIP_BUFFER_RANGE_START","GapController","fragmentTracker","nudgeRetry","stallReported","stalled","moved","seeking","poll","lastCurrentTime","seeked","beginSeek","stalledDuration","seekWithinTolerance","seekWithinToleranceIfNeeded","paused","ended","playbackRate","hasEnoughBuffer","noBufferGap","startJump","_trySkipBufferHole","tnow","_reportStall","bufferedWithHoles","maxBufferHole","_tryFixBufferStall","bufferedPosWithinTolerance","stalledDurationMs","targetTime","highBufferWatchdogPeriod","_tryNudgeBuffer","BUFFER_STALLED_ERROR","lastEndTime","BUFFER_SEEK_OVER_HOLE","nudgeMaxRetry","nudgeOffset","BUFFER_NUDGE_ON_STALL","TaskLoop","_boundTick","_tickTimer","_tickInterval","_tickCallCount","tick","clearNextTick","clearInterval","hasInterval","hasNextTick","setInterval","millis","clearTimeout","doTick","setTimeout","State","STOPPED","STARTING","IDLE","PAUSED","FRAG_LOADING_WAITING_RETRY","WAITING_TRACK","PARSING","PARSED","ENDED","WAITING_INIT_PTS","WAITING_LEVEL","BaseStreamController","startLoad","stopLoad","fragCurrent","_streamEnded","fragState","onMediaSeeking","mediaBuffer","tolerance","fragStartOffset","fragEndOffset","loadedmetadata","nextLoadPosition","startPosition","onMediaEnded","computeLivePosition","targetLatency","liveSyncDuration","liveSyncDurationCount","TICK_INTERVAL","StreamController","audioCodecSwap","_state","gapController","altAudio","fragLoadError","startFragRequested","startLevel","nextLoadLevel","forceStartLoad","_doTickIdle","retryDate","_checkBuffer","_checkFragmentChanged","levelLastLoaded","startFragPrefetch","levelInfo","levelBitrate","maxBufLen","maxBufferSize","maxBufferLength","maxMaxBufferLength","_fetchPayloadOrEos","fragLen","initialLiveManifestSize","_ensureFragmentAtLivePoint","_findFragment","encrypted","_loadKey","_loadFragment","maxLatency","liveMaxLatencyDuration","liveMaxLatencyDurationCount","liveSyncPosition","readyState","targetSN","fragPreviousLoad","fragmentIndexRange","fragNextLoad","lookupTolerance","curSNIdx","sameLevel","prevSnFrag","nextSnFrag","autoLevel","autoLevelEnabled","_reduceMaxBufferLength","followingBufferedFrag","fragPlayingCurrent","fragPlaying","fragPlayingLevel","immediateLevelSwitch","immediateSwitch","previouslyPaused","pause","flushMainBuffer","POSITIVE_INFINITY","immediateLevelSwitchEnd","play","nextLevelSwitch","fetchdelay","nextBufferedFrag","nextLevelId","nextLevel","fragLastKbps","endOffset","flushScope","onMediaAttached","onvseeking","onvseeked","onMediaSeeked","onvended","autoStartLoad","onMediaDetaching","onManifestParsed","aac","heaac","audioCodecSwitch","onLevelLoaded","newLevelId","curLevel","LevelHelper","onKeyLoaded","fragLoaded","currentLevel","tbuffered","pendingBuffering","appended","initSegmentData","_getAudioCodec","onFragParsingInitSegment","fragNew","trackName","ua","metadata","levelCodec","parent","content","onFragParsingData","onFragParsed","_checkAppendedParsed","onAudioTrackSwitching","onAudioTrackSwitched","videoBuffer","onBufferCreated","mediaTrack","alternate","pending","total","tfirst","mediaBuffered","fragLoadingMaxRetry","delay","levelRetry","BUFFER_FULL_ERROR","minLength","_seekToStartPos","onFragLoadEmergencyAborted","onBufferFlushed","swapAudioCodec","defaultAudioCodec","nextState","previousState","_liveSyncPosition","chromeOrFirefox","LevelController","canload","currentLevelIndex","manualLevelIndex","timer","clearTimer","_levels","levelRetryCount","loadError","loadLevel","onManifestLoaded","bitrateStart","levelSet","levelFromSet","videoCodecFound","audioCodecFound","attributes","fragmentError","SUBTITLES","_firstLevel","firstLevel","some","MANIFEST_INCOMPATIBLE_CODECS_ERROR","setLevelInternal","newLevel","levelProperties","LEVEL_SWITCH_ERROR","levelError","levelIndex","REMUX_ALLOC_ERROR","recoverLevel","errorEvent","errorDetails","redundantLevels","nextAutoLevel","trequest","audioGroupId","levelObject","_startLevel","configStartLevel","sendAddTrackEvent","videoEl","document","createEvent","initEvent","dispatchEvent","clearCurrentCues","cues","removeCue","getClosestCue","left","right","mid","ID3TrackController","getID3Track","textTracks","kind","label","addTextTrack","onLiveBackBufferReached","foundCue","removeCues","cue","onFragParsingMetadata","mode","Cue","WebKitDataCue","VTTCue","TextTrackCue","addCue","isSupported","mediaSource","sourceBuffer","SourceBuffer","WebKitSourceBuffer","sourceBufferValidAPI","appendBuffer","remove","EWMA","halfLife","alpha_","estimate_","totalWeight_","exp","weight","adjAlpha","getTotalWeight","getEstimate","zeroFactor","EwmaBandWidthEstimator","slow","fast","defaultEstimate","defaultEstimate_","minWeight_","minDelayMs_","slow_","fast_","durationMs","numBytes","numBits","durationS","bandwidthInBps","canEstimate","AbrController","lastLoadedFragLevel","_nextAutoLevel","_bwEstimator","onCheck","_abandonRulesCheck","isLive","ewmaFast","ewmaSlow","abrEwmaFastLive","abrEwmaSlowLive","abrEwmaFastVoD","abrEwmaSlowVoD","abrEwmaDefaultEstimate","minAutoLevel","aborted","requestDelay","loadRate","bw","realBitrate","expectedLen","fragLoadedDelay","bufferStarvationDelay","fragLevelNextLoadedDelay","levelNextBitrate","abrMaxWithRealBitrate","loadedBytes","loadedDuration","fragLoadingProcessingMs","bwEstimate","bitrateTestDelay","_findBestLevel","currentFragDuration","currentBw","maxAutoLevel","maxFetchDuration","bwFactor","bwUpFactor","avgDuration","adjustedbw","fetchDuration","forcedAutoLevel","bwEstimator","nextABRAutoLevel","_nextABRAutoLevel","avgbw","bestLevel","abrBandWidthFactor","abrBandWidthUpFactor","maxStarvationDelay","maxLoadingDelay","BufferController","Events","_msDuration","_levelDuration","_levelTargetDuration","_live","_objectUrl","_needsFlush","_needsEos","audioTimestampOffset","bufferCodecEventsExpected","_bufferCodecEventsTotal","segments","appending","appendError","flushBufferCounter","pendingTracks","flushRange","_onMediaSourceOpen","checkPendingTracks","_onMediaSourceClose","_onMediaSourceEnded","_onSBUpdateEnd","audioBuffer","timestampOffset","doFlush","checkEos","reduce","counter","segment","sbSet","sb","doAppending","updateMediaElementDuration","flushLiveBackBuffer","_onSBUpdateError","BUFFER_APPENDING_ERROR","onLevelPtsUpdated","updating","onMediaAttaching","ms","src","createObjectURL","endOfStream","removeAttribute","pendingTracksCount","createSourceBuffers","onBufferReset","removeSourceBuffer","onBufferCodecs","mimeType","addSourceBuffer","BUFFER_ADD_CODEC_ERROR","onBufferAppending","onBufferEos","onBufferFlushing","liveBackBufferLength","bufferTypes","targetBackBufferPosition","bufferType","removeBufferRange","onLevelUpdated","liveDurationInfinity","flushBuffer","code","BUFFER_APPEND_ERROR","appendErrorMaxRetry","sbType","bufStart","bufEnd","removeStart","removeEnd","CapLevelController","autoLevelCapping","restrictedLevels","capLevelToPlayerSize","stopCapping","onFpsDropLevelCapping","isLevelAllowed","droppedLevel","HTMLVideoElement","startCapping","onLevelsUpdated","detectPlayerSize","levelsLength","getMaxLevel","streamController","capLevelIndex","validLevels","getMaxLevelByMediaSize","mediaWidth","mediaHeight","atGreatestBandiwdth","maxLevelIndex","clientWidth","offsetWidth","contentScaleFactor","clientHeight","offsetHeight","devicePixelRatio","FPSController","isVideoPlaybackQualityAvailable","capLevelOnFPSDrop","getVideoPlaybackQuality","checkFPSInterval","fpsDroppedMonitoringPeriod","checkFPS","decodedFrames","droppedFrames","lastTime","currentPeriod","currentDropped","lastDroppedFrames","currentDecoded","lastDecodedFrames","droppedFPS","totalDroppedFrames","fpsDroppedMonitoringThreshold","videoPlaybackQuality","totalVideoFrames","droppedVideoFrames","webkitDecodedFrameCount","webkitDroppedFrameCount","XMLHttpRequest","XhrLoader","xhrSetup","requestTimeout","retryTimeout","callbacks","retry","loadInternal","xhr","open","status","setRequestHeader","onreadystatechange","readystatechange","onprogress","send","currentTarget","responseText","responseURL","statusText","lengthComputable","AudioTrackController","_trackId","_selectDefaultTrack","trackIdBlacklist","_selectAudioGroup","onAudioTrackLoaded","updatePeriodMs","_handleLoadError","_setAudioTrack","newId","_loadTrackDetailsIfNeeded","_updateTrack","_selectInitialAudioTrack","currentAudioTrack","defaultTracks","trackFound","traverseTracks","_needsTrackLoading","previousId","language","newTrack","AudioStreamController","waitingFragment","videoTrackCC","onInitPtsFound","demuxerId","trackDetails","mainBufferInfo","maxConfigBuffer","audioSwitch","loadIdx","fragLoadIdx","nextBuffered","foundFrag","isSeeking","waitingFrag","waitingFragCC","onAudioTracksUpdated","appendObj","pendingData","appendOnBufferFlush","autoKeyword","directionSetting","lr","rl","alignSetting","middle","findDirectionSetting","dir","findAlignSetting","align","extend","obj","arguments","cobj","p","baseObj","enumerable","hasBeenReset","_id","_pauseOnExit","_startTime","_endTime","_text","_region","_vertical","_snapToLines","_line","_lineAlign","_position","_positionAlign","_size","_align","defineProperty","get","TypeError","setting","SyntaxError","displayState","getCueAsHTML","WebVTT","convertCueToDOMTree","StringDecoder","decodeURIComponent","encodeURIComponent","VTTParser","regionList","parseTimeStamp","computeSeconds","m","s","f","Settings","values","k","v","dflt","defaultKey","has","alt","n","integer","percent","parseOptions","keyValueDelim","groupDelim","kv","defaults","center","parseCue","oInput","consumeTimeStamp","ts","consumeCueSettings","settings","region","vals","vals0","vertical","line","lineAlign","snapToLines","skipWhitespace","fixLineBreaks","collectNextLine","alreadyCollectedLine","hasSubstring","oncue","flush","onflush","newCue","captionScreen","row","indenting","indent","rows","isEmpty","chars","uchar","cueStartTime","trim","specialCea608CharsCodes","getCharForByte","byte","charCode","NR_ROWS","NR_COLS","rowsLowCh1","rowsHighCh1","rowsLowCh2","rowsHighCh2","backgroundColors","VerboseFilter","verboseFilter","verboseLevel","setTime","newTime","severity","msg","minLevel","numArrayToHexArray","numArray","hexArray","PenState","foreground","underline","italics","background","flash","reset","setStyles","styles","attribs","style","isDefault","equals","other","copy","newPenState","StyledUnicodeChar","penState","setChar","setPenState","newChar","Row","currPenState","equal","empty","setCursor","absPos","moveCursor","relPos","newPos","backSpace","insertChar","char","clearFromPos","startPos","clear","clearToEndOfRow","getTextString","setPenStyles","currChar","CaptionScreen","currRow","nrRollUpRows","lastOutputScreen","setPen","setPAC","pacData","newRow","topRowIndex","prevLineTime","prevPos","color","setBkgData","bkgData","setRollUpRows","nrRows","rollUp","getDisplayText","topRow","asOneRow","displayText","rowNr","rowText","getTextAndFormat","Cea608Channel","channelNumber","outputFilter","chNr","verbose","displayedMemory","nonDisplayedMemory","currRollUpRow","writeScreen","lastCueEndTime","getHandler","setHandler","newHandler","setMode","newMode","insertChars","screen","outputDataUpdate","ccRCL","ccBS","ccAOF","ccAON","ccDER","ccRU","ccFON","ccRDC","ccTR","ccRTD","ccEDM","ccCR","ccENM","ccEOC","ccTO","nrCols","ccMIDROW","colorIndex","colors","dispatch","dispatchCue","cueSplitAtTime","Cea608Parser","field","out1","out2","outputs","channels","currChNr","lastCmdA","lastCmdB","dataCounters","addData","byteList","cmdFound","charsFound","padding","parseCmd","parseMidrow","parsePAC","parseBackgroundAttributes","parseChars","channel","cond1","cond2","case1","case2","interpretPAC","pacIndex","channelNr","charCodes","charCode1","oneCode","hexCodes","OutputFilter","timelineController","addCues","createCaptionsTrack","LINEBREAKS","startsWith","inputString","searchString","cueString2millis","timeString","secs","mins","hours","hash","charCodeAt","generateCueId","calculateOffset","vttCCs","presentationTime","currCC","prevCC","new","presentationOffset","parseWebVTT","vttByteArray","callBack","errorCallBack","parser","vttLines","initPTS90Hz","toMpegTsClockFromTimescale","cueTime","timestampMapMPEGTS","timestampMapLOCAL","parsingError","inHeader","timestampMap","cueOffset","webVttMpegTsMapOffset","normalizePts","onparsingerror","TimelineController","enabled","Cues","unparsedVttFrags","cueRanges","captionsTracks","captionsProperties","cea608Parser","lastSn","cueHandler","textTrack1","captionsTextTrack1Label","languageCode","captionsTextTrack1LanguageCode","textTrack2","captionsTextTrack2Label","captionsTextTrack2LanguageCode","enableCEA708Captions","channel1","channel2","ranges","merged","cueRange","overlap","intersection","getExistingTrack","existingTrack","createTextTrack","_cleanTracks","enableWebVTT","inUseTracks","inUseTrack","canReuseVttTextTrack","subtitleDisplay","success","decryptData","_parseVTTs","currentTrack","minStartTime","getCueById","textTrackCue","onFragDecrypted","onFragParsingUserdata","ccBytes","ccdatas","extractCea608Data","tmpByte","ccbyte1","ccbyte2","ccValid","ccType","actualCCBytes","manifestTrack","x1","y1","y2","SubtitleTrackController","stopped","queuedDefaultTrack","subtitleTrack","trackChangeListener","_onTextTracksChanged","useTextTrackPolling","subtitlePollingInterval","filterSubtitleTracks","subtitleTracks","onSubtitleTrackLoaded","_clearReloadTimer","_loadCurrentTrack","_toggleTrackModes","oldTrack","nextTrack","_setSubtitleTrackInternal","subtitleTrackId","textTrackList","SubtitleStreamController","tracksBuffered","currentTrackId","lastAVStart","_onMediaSeeking","onSubtitleFragProcessed","fragStart","fragEnd","onSubtitleTracksUpdated","onSubtitleTrackSwitch","_getBuffered","KeySystems","requestMediaKeySystemAccess","MAX_LICENSE_REQUEST_FAILURES","createWidevineMediaKeySystemConfigurations","audioCodecs","videoCodecs","baseConfig","videoCapabilities","contentType","getSupportedMediaKeySystemConfigurations","keySystem","WIDEVINE","EMEController","_widevineLicenseUrl","_licenseXhrSetup","_emeEnabled","_requestMediaKeySystemAccess","_config","_mediaKeysList","_media","_hasSetMediaKeys","_requestLicenseFailureCount","_onMediaEncrypted","initDataType","_attemptSetMediaKeys","_generateRequestWithPreferredKeySession","widevineLicenseUrl","licenseXhrSetup","emeEnabled","requestMediaKeySystemAccessFunc","getLicenseServerUrl","_attemptKeySystemAccess","mediaKeySystemConfigs","mediaKeySystemAccess","_onMediaKeySystemAccessObtained","mediaKeysListItem","mediaKeysSessionInitialized","mediaKeySystemDomain","createMediaKeys","mediaKeys","_onMediaKeysCreated","mediaKeysSession","createSession","_onNewMediaKeySession","keySession","sessionId","_onKeySessionMessage","_requestLicense","update","keysListItem","KEY_SYSTEM_ERROR","KEY_SYSTEM_NO_KEYS","setMediaKeys","KEY_SYSTEM_NO_ACCESS","KEY_SYSTEM_NO_SESSION","KEY_SYSTEM_NO_INIT_DATA","generateRequest","_createLicenseXhr","keyMessage","_onLicenseRequestReadyStageChange","KEY_SYSTEM_LICENSE_REQUEST_FAILED","attemptsLeft","_generateLicenseRequestChallenge","challenge","onMediaDetached","hlsDefaultConfig","lowBufferWatchdogPeriod","abrController","bufferController","capLevelController","fpsController","stretchShortVideoTrack","maxAudioFramesDrift","minAutoBitrate","timelineConfig","subtitleStreamController","__USE_SUBTITLES__","subtitleTrackController","audioStreamController","__USE_ALT_AUDIO__","audioTrackController","emeController","__USE_EME_DRM__","Hls","__VERSION__","defaultConfig","userConfig","_autoLevelCapping","levelController","networkControllers","coreComponents","DefaultConfig","playListLoader","fragmentLoader","keyLoader","id3TrackController","Controller","detachMedia","component","attachMedia","loadSource","location","href","controller","recoverMediaError","manualLevel","shouldStartCapping","newCapLevelToPlayerSize","NaN","audioTrackId","isFiniteNumber","AAC","getSilentFrame","MP4","init","types","avc1","avcC","btrt","dinf","dref","esds","ftyp","mdat","mdia","mfhd","minf","moof","mp4a","mvex","mvhd","pasp","sdtp","stbl","stco","stsc","stsd","stsz","stts","trun","trex","vmhd","smhd","videoHdlr","audioHdlr","HDLR_TYPES","STTS","STSC","STCO","STSZ","VMHD","SMHD","STSD","majorBrand","avc1Brand","minorVersion","FTYP","box","DINF","upperWordDuration","lowerWordDuration","boxes","flags","dependsOn","isDependedOn","hasRedundancy","avcc","hSpacing","vSpacing","configlen","sampleDependencyTable","upperWordBaseMediaDecodeTime","lowerWordBaseMediaDecodeTime","arraylen","cts","isLeading","paddingValue","isNonSync","degradPrio","movie","MAX_SILENT_FRAME_DURATION_90KHZ","PTS_DTS_SHIFT_TOLERANCE_90KHZ","isSafari","ISGenerated","defaultTimeStamp","generateIS","nbAudioSamples","nbVideoSamples","audioTimeOffset","videoTimeOffset","audiovideoDeltaDts","remuxAudio","audioTrackLength","remuxVideo","videoData","remuxEmptyAudio","remuxID3","remuxText","audioSamples","videoSamples","computePTSDTS","initDTS","mp4SampleDuration","firstPTS","firstDTS","lastPTS","lastDTS","timeScale","inputSamples","outputSamples","ptsNormalize","_PTSNormalize","nextAvcDts","deltadts","deltapts","PTSDTSshift","curr","toMsFromMpegTsClock","nbNalu","naluLen","nbUnits","sampleLen","mdatSize","MUX_ERROR","setUint32","avcSampleUnits","mp4SampleLength","compositionTimeOffset","unitData","unitDataLen","lastFrameDuration","gapTolerance","deltaToFrameEnd","nextAudioPts","mp4timeScale","scaleFactor","inputSampleDuration","rawMPEG","mp4Sample","fillFrame","nextPts","missing","newStamp","audioSample","numMissingFrames","unitLen","lastSampleDuration","sampleDuration","silentFrame","reference","noop","fakeLogger","exportedLogger","formatMsg","consolePrintFn","func","args","exportLoggerFunctions","debugConfig","functions","MPEG_TS_CLOCK_FREQ_HZ","toTimescaleFromScale","destScale","srcScale","toTimescaleFromBase","srcBase"],"mappings":";AAAA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,CAAC;AACD,O;ACVA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;;;AAGA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,kDAA0C,gCAAgC;AAC1E;AACA;;AAEA;AACA;AACA;AACA,gEAAwD,kBAAkB;AAC1E;AACA,yDAAiD,cAAc;AAC/D;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,iDAAyC,iCAAiC;AAC1E,wHAAgH,mBAAmB,EAAE;AACrI;AACA;;AAEA;AACA;AACA;AACA,mCAA2B,0BAA0B,EAAE;AACvD,yCAAiC,eAAe;AAChD;AACA;AACA;;AAEA;AACA,8DAAsD,+DAA+D;;AAErH;AACA;;;AAGA;AACA;;;;;;;;;;;;;;AClFa;;AAEb;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,WAAW,SAAS;AACpB,WAAW,EAAE;AACb,WAAW,QAAQ;AACnB;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,WAAW,aAAa;AACxB,WAAW,gBAAgB;AAC3B,WAAW,SAAS;AACpB,WAAW,EAAE;AACb,WAAW,QAAQ;AACnB,aAAa;AACb;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,WAAW,aAAa;AACxB,WAAW,gBAAgB;AAC3B;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA,aAAa;AACb;AACA;AACA;AACA;AACA;AACA;;AAEA;;AAEA;AACA;AACA;;AAEA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,aAAa,MAAM;AACnB;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA,yDAAyD,OAAO;AAChE;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,aAAa,OAAO;AACpB;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,aAAa,QAAQ;AACrB;AACA;AACA;AACA;;AAEA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA,yCAAyC,SAAS;AAClD;AACA;;AAEA;AACA,GAAG;AACH;AACA;;AAEA,eAAe,YAAY;AAC3B;;AAEA;AACA,2DAA2D;AAC3D,+DAA+D;AAC/D,mEAAmE;AACnE,uEAAuE;AACvE;AACA,0DAA0D,SAAS;AACnE;AACA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,WAAW,SAAS;AACpB,WAAW,EAAE;AACb,aAAa,aAAa;AAC1B;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,WAAW,SAAS;AACpB,WAAW,EAAE;AACb,aAAa,aAAa;AAC1B;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,WAAW,SAAS;AACpB,WAAW,EAAE;AACb,WAAW,QAAQ;AACnB,aAAa,aAAa;AAC1B;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;;AAEA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,GAAG;AACH,2DAA2D,YAAY;AACvE;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,aAAa,aAAa;AAC1B;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,GAAG;AACH;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,IAAI,IAA6B;AACjC;AACA;;;;;;;;;;;;;AC/UA;;AAEA;AACA,iB;AACA;;AAEA,oFAAoF;AACpF;AACA;AACA;;AAEA,oBAAoB;AACpB;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,sBAAsB;AACtB;AACA;AACA;AACA;AACA,wBAAwB;AACxB;AACA;AACA;AACA;AACA;AACA,WAAW;AACX;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,KAAK;AACL;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,KAAK;AACL;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,sFAAsF;AACtF;AACA,KAAK;AACL;AACA;AACA;AACA;;AAEA;AACA,KAAK,IAAyD;AAC9D;AACA,OAAO,EAK6B;AACpC,CAAC;AACD;;;;;;;;;;;;;AClKA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;;AAEA;AACA,mDAAmD,cAAc;;AAEjE;AACA;AACA;AACA;AACA;AACA;AACA;AACA,eAAe;AACf;AACA;;AAEA;AACA;AACA,0DAA0D,cAAc;AACxE;;AAEA;AACA;AACA;AACA,qCAAqC,0BAA0B,EAAE;AACjE,2CAA2C,eAAe;AAC1D;AACA;AACA;;AAEA;AACA,8DAA8D,+DAA+D;;AAE7H;AACA;;AAEA;AACA,kDAAkD,oBAAoB,WAAW;;AAEjF;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA,6CAA6C;AAC7C;;AAEA;AACA,uBAAuB;AACvB;;AAEA;AACA;AACA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA,0BAA0B,mBAAmB;AAC7C;AACA;AACA;AACA;;AAEA;AACA;AACA,iBAAiB,iBAAiB;AAClC,mBAAmB,4BAA4B;AAC/C;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA;AACA,GAAG;AACH;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA,mBAAmB,mBAAmB;AACtC;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,qBAAqB,2BAA2B;AAChD;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,UAAU,qBAAmB;AAC7B;;AAEA,uCAAuC,kCAAkC;;AAEzE;;AAEA,oDAAoD,sBAAsB;AAC1E;AACA;AACA;AACA;AACA;AACA,qFAAqF,sCAAsC,EAAE;AAC7H,sIAAsI,+CAA+C,yEAAyE,gBAAgB,EAAE;AAChR,GAAG;;AAEH,iHAAiH,4CAA4C,sEAAsE,gBAAgB,SAAS;;AAE5P,qCAAqC,0BAA0B;AAC/D,qBAAqB;;AAErB;;AAEA;AACA;AACA;;AAEA;AACA;;;;;;;;;;;;;;;;;;;;ICzMqBA,S;;;AACnB,qBAAaC,MAAb,EAAqBC,EAArB,EAAyB;AACvB,SAAKD,MAAL,GAAcA,MAAd;AACA,SAAKE,KAAL,GAAaD,EAAb;AACD;;;;SAEDE,O,GAAA,iBAASC,IAAT,EAAeC,GAAf,EAAoB;AAClB,WAAO,KAAKL,MAAL,CAAYG,OAAZ,CAAoB;AAAEG,UAAI,EAAE,SAAR;AAAmBL,QAAE,EAAE,KAAKC;AAA5B,KAApB,EAAyDG,GAAzD,EAA8DD,IAA9D,CAAP;AACD,G;;;;;;;ICRGG,U;;;AACJ,sBAAaP,MAAb,EAAqBK,GAArB,EAA0B;AACxB,SAAKL,MAAL,GAAcA,MAAd;AACA,SAAKK,GAAL,GAAWA,GAAX;AACD;;;;SAEDG,S,GAAA,qBAAa;AACX,WAAO,KAAKR,MAAL,CAAYS,SAAZ,CAAsB,KAAtB,EAA6B,KAAKJ,GAAlC,EAAuC;AAAEC,UAAI,EAAE;AAAR,KAAvC,EAA4D,KAA5D,EAAmE,CAAC,SAAD,EAAY,SAAZ,CAAnE,CAAP;AACD,G;;;;;AAGYC,2DAAf,E;;ACXA;AACO,SAASG,aAAT,CAAwBC,MAAxB,EAAgC;AACrC,MAAMC,WAAW,GAAGD,MAAM,CAACE,UAA3B;AACA,MAAMC,YAAY,GAAGF,WAAW,IAAK,IAAIG,QAAJ,CAAaJ,MAAb,CAAD,CAAuBK,QAAvB,CAAgCJ,WAAW,GAAG,CAA9C,CAApC;;AACA,MAAIE,YAAJ,EAAkB;AAChB,WAAOH,MAAM,CAACM,KAAP,CAAa,CAAb,EAAgBL,WAAW,GAAGE,YAA9B,CAAP;AACD,GAFD,MAEO;AACL,WAAOH,MAAP;AACD;AACF;;IAEKO,Y;;;AACJ,0BAAe;AACb;AACA,SAAKC,IAAL,GAAY,CAAC,GAAD,EAAM,GAAN,EAAW,GAAX,EAAgB,GAAhB,EAAqB,GAArB,EAA0B,IAA1B,EAAgC,IAAhC,EAAsC,IAAtC,EAA4C,IAA5C,EAAkD,IAAlD,EAAwD,IAAxD,CAAZ;AACA,SAAKC,MAAL,GAAc,CAAC,IAAIC,WAAJ,CAAgB,GAAhB,CAAD,EAAuB,IAAIA,WAAJ,CAAgB,GAAhB,CAAvB,EAA6C,IAAIA,WAAJ,CAAgB,GAAhB,CAA7C,EAAmE,IAAIA,WAAJ,CAAgB,GAAhB,CAAnE,CAAd;AACA,SAAKC,SAAL,GAAiB,CAAC,IAAID,WAAJ,CAAgB,GAAhB,CAAD,EAAuB,IAAIA,WAAJ,CAAgB,GAAhB,CAAvB,EAA6C,IAAIA,WAAJ,CAAgB,GAAhB,CAA7C,EAAmE,IAAIA,WAAJ,CAAgB,GAAhB,CAAnE,CAAjB;AACA,SAAKE,IAAL,GAAY,IAAIF,WAAJ,CAAgB,GAAhB,CAAZ;AACA,SAAKG,OAAL,GAAe,IAAIH,WAAJ,CAAgB,GAAhB,CAAf,CANa,CAQb;;AACA,SAAKhB,GAAL,GAAW,IAAIgB,WAAJ,CAAgB,CAAhB,CAAX;AAEA,SAAKI,SAAL;AACD,G,CAED;;;;;SACAC,wB,GAAA,kCAA0BC,WAA1B,EAAuC;AACrC,QAAIC,IAAI,GAAG,IAAIb,QAAJ,CAAaY,WAAb,CAAX;AACA,QAAIE,QAAQ,GAAG,IAAIR,WAAJ,CAAgB,CAAhB,CAAf;;AACA,SAAK,IAAIS,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG,CAApB,EAAuBA,CAAC,EAAxB,EAA4B;AAC1BD,cAAQ,CAACC,CAAD,CAAR,GAAcF,IAAI,CAACG,SAAL,CAAeD,CAAC,GAAG,CAAnB,CAAd;AACD;;AAED,WAAOD,QAAP;AACD,G;;SAEDJ,S,GAAA,qBAAa;AACX,QAAIF,IAAI,GAAG,KAAKA,IAAhB;AACA,QAAIC,OAAO,GAAG,KAAKA,OAAnB;AACA,QAAIJ,MAAM,GAAG,KAAKA,MAAlB;AACA,QAAIY,OAAO,GAAGZ,MAAM,CAAC,CAAD,CAApB;AACA,QAAIa,OAAO,GAAGb,MAAM,CAAC,CAAD,CAApB;AACA,QAAIc,OAAO,GAAGd,MAAM,CAAC,CAAD,CAApB;AACA,QAAIe,OAAO,GAAGf,MAAM,CAAC,CAAD,CAApB;AACA,QAAIE,SAAS,GAAG,KAAKA,SAArB;AACA,QAAIc,UAAU,GAAGd,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIe,UAAU,GAAGf,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIgB,UAAU,GAAGhB,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIiB,UAAU,GAAGjB,SAAS,CAAC,CAAD,CAA1B;AAEA,QAAIkB,CAAC,GAAG,IAAInB,WAAJ,CAAgB,GAAhB,CAAR;AACA,QAAIoB,CAAC,GAAG,CAAR;AACA,QAAIC,EAAE,GAAG,CAAT;AACA,QAAIZ,CAAC,GAAG,CAAR;;AACA,SAAKA,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG,GAAhB,EAAqBA,CAAC,EAAtB,EAA0B;AACxB,UAAIA,CAAC,GAAG,GAAR,EAAa;AACXU,SAAC,CAACV,CAAD,CAAD,GAAOA,CAAC,IAAI,CAAZ;AACD,OAFD,MAEO;AACLU,SAAC,CAACV,CAAD,CAAD,GAAQA,CAAC,IAAI,CAAN,GAAW,KAAlB;AACD;AACF;;AAED,SAAKA,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG,GAAhB,EAAqBA,CAAC,EAAtB,EAA0B;AACxB,UAAIa,EAAE,GAAGD,EAAE,GAAIA,EAAE,IAAI,CAAZ,GAAkBA,EAAE,IAAI,CAAxB,GAA8BA,EAAE,IAAI,CAApC,GAA0CA,EAAE,IAAI,CAAzD;AACAC,QAAE,GAAIA,EAAE,KAAK,CAAR,GAAcA,EAAE,GAAG,IAAnB,GAA2B,IAAhC;AACApB,UAAI,CAACkB,CAAD,CAAJ,GAAUE,EAAV;AACAnB,aAAO,CAACmB,EAAD,CAAP,GAAcF,CAAd,CAJwB,CAMxB;;AACA,UAAIG,EAAE,GAAGJ,CAAC,CAACC,CAAD,CAAV;AACA,UAAII,EAAE,GAAGL,CAAC,CAACI,EAAD,CAAV;AACA,UAAIE,EAAE,GAAGN,CAAC,CAACK,EAAD,CAAV,CATwB,CAWxB;;AACA,UAAIE,CAAC,GAAIP,CAAC,CAACG,EAAD,CAAD,GAAQ,KAAT,GAAmBA,EAAE,GAAG,SAAhC;AACAX,aAAO,CAACS,CAAD,CAAP,GAAcM,CAAC,IAAI,EAAN,GAAaA,CAAC,KAAK,CAAhC;AACAd,aAAO,CAACQ,CAAD,CAAP,GAAcM,CAAC,IAAI,EAAN,GAAaA,CAAC,KAAK,EAAhC;AACAb,aAAO,CAACO,CAAD,CAAP,GAAcM,CAAC,IAAI,CAAN,GAAYA,CAAC,KAAK,EAA/B;AACAZ,aAAO,CAACM,CAAD,CAAP,GAAaM,CAAb,CAhBwB,CAkBxB;;AACAA,OAAC,GAAID,EAAE,GAAG,SAAN,GAAoBD,EAAE,GAAG,OAAzB,GAAqCD,EAAE,GAAG,KAA1C,GAAoDH,CAAC,GAAG,SAA5D;AACAL,gBAAU,CAACO,EAAD,CAAV,GAAkBI,CAAC,IAAI,EAAN,GAAaA,CAAC,KAAK,CAApC;AACAV,gBAAU,CAACM,EAAD,CAAV,GAAkBI,CAAC,IAAI,EAAN,GAAaA,CAAC,KAAK,EAApC;AACAT,gBAAU,CAACK,EAAD,CAAV,GAAkBI,CAAC,IAAI,CAAN,GAAYA,CAAC,KAAK,EAAnC;AACAR,gBAAU,CAACI,EAAD,CAAV,GAAiBI,CAAjB,CAvBwB,CAyBxB;;AACA,UAAI,CAACN,CAAL,EAAQ;AACNA,SAAC,GAAGC,EAAE,GAAG,CAAT;AACD,OAFD,MAEO;AACLD,SAAC,GAAGG,EAAE,GAAGJ,CAAC,CAACA,CAAC,CAACA,CAAC,CAACM,EAAE,GAAGF,EAAN,CAAF,CAAF,CAAV;AACAF,UAAE,IAAIF,CAAC,CAACA,CAAC,CAACE,EAAD,CAAF,CAAP;AACD;AACF;AACF,G;;SAEDlC,S,GAAA,mBAAWwC,SAAX,EAAsB;AACpB;AACA,QAAI3C,GAAG,GAAG,KAAKqB,wBAAL,CAA8BsB,SAA9B,CAAV;AACA,QAAIC,OAAO,GAAG,IAAd;AACA,QAAIC,MAAM,GAAG,CAAb;;AAEA,WAAOA,MAAM,GAAG7C,GAAG,CAAC8C,MAAb,IAAuBF,OAA9B,EAAuC;AACrCA,aAAO,GAAI5C,GAAG,CAAC6C,MAAD,CAAH,KAAgB,KAAK7C,GAAL,CAAS6C,MAAT,CAA3B;AACAA,YAAM;AACP;;AAED,QAAID,OAAJ,EAAa;AACX;AACD;;AAED,SAAK5C,GAAL,GAAWA,GAAX;AACA,QAAI+C,OAAO,GAAG,KAAKA,OAAL,GAAe/C,GAAG,CAAC8C,MAAjC;;AAEA,QAAIC,OAAO,KAAK,CAAZ,IAAiBA,OAAO,KAAK,CAA7B,IAAkCA,OAAO,KAAK,CAAlD,EAAqD;AACnD,YAAM,IAAIC,KAAJ,CAAU,0BAA0BD,OAApC,CAAN;AACD;;AAED,QAAIE,MAAM,GAAG,KAAKA,MAAL,GAAc,CAACF,OAAO,GAAG,CAAV,GAAc,CAAf,IAAoB,CAA/C;AACA,QAAIG,KAAJ;AACA,QAAIC,QAAJ;AAEA,QAAIC,WAAW,GAAG,KAAKA,WAAL,GAAmB,IAAIpC,WAAJ,CAAgBiC,MAAhB,CAArC;AACA,QAAII,cAAc,GAAG,KAAKA,cAAL,GAAsB,IAAIrC,WAAJ,CAAgBiC,MAAhB,CAA3C;AACA,QAAIK,IAAI,GAAG,KAAKpC,IAAhB;AACA,QAAIJ,IAAI,GAAG,KAAKA,IAAhB;AAEA,QAAIG,SAAS,GAAG,KAAKA,SAArB;AACA,QAAIc,UAAU,GAAGd,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIe,UAAU,GAAGf,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIgB,UAAU,GAAGhB,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIiB,UAAU,GAAGjB,SAAS,CAAC,CAAD,CAA1B;AAEA,QAAIsC,IAAJ;AACA,QAAIb,CAAJ;;AAEA,SAAKQ,KAAK,GAAG,CAAb,EAAgBA,KAAK,GAAGD,MAAxB,EAAgCC,KAAK,EAArC,EAAyC;AACvC,UAAIA,KAAK,GAAGH,OAAZ,EAAqB;AACnBQ,YAAI,GAAGH,WAAW,CAACF,KAAD,CAAX,GAAqBlD,GAAG,CAACkD,KAAD,CAA/B;AACA;AACD;;AACDR,OAAC,GAAGa,IAAJ;;AAEA,UAAIL,KAAK,GAAGH,OAAR,KAAoB,CAAxB,EAA2B;AACzB;AACAL,SAAC,GAAIA,CAAC,IAAI,CAAN,GAAYA,CAAC,KAAK,EAAtB,CAFyB,CAIzB;;AACAA,SAAC,GAAIY,IAAI,CAACZ,CAAC,KAAK,EAAP,CAAJ,IAAkB,EAAnB,GAA0BY,IAAI,CAAEZ,CAAC,KAAK,EAAP,GAAa,IAAd,CAAJ,IAA2B,EAArD,GAA4DY,IAAI,CAAEZ,CAAC,KAAK,CAAP,GAAY,IAAb,CAAJ,IAA0B,CAAtF,GAA2FY,IAAI,CAACZ,CAAC,GAAG,IAAL,CAAnG,CALyB,CAOzB;;AACAA,SAAC,IAAI5B,IAAI,CAAEoC,KAAK,GAAGH,OAAT,GAAoB,CAArB,CAAJ,IAA+B,EAApC;AACD,OATD,MASO,IAAIA,OAAO,GAAG,CAAV,IAAeG,KAAK,GAAGH,OAAR,KAAoB,CAAvC,EAA0C;AAC/C;AACAL,SAAC,GAAIY,IAAI,CAACZ,CAAC,KAAK,EAAP,CAAJ,IAAkB,EAAnB,GAA0BY,IAAI,CAAEZ,CAAC,KAAK,EAAP,GAAa,IAAd,CAAJ,IAA2B,EAArD,GAA4DY,IAAI,CAAEZ,CAAC,KAAK,CAAP,GAAY,IAAb,CAAJ,IAA0B,CAAtF,GAA2FY,IAAI,CAACZ,CAAC,GAAG,IAAL,CAAnG;AACD;;AAEDU,iBAAW,CAACF,KAAD,CAAX,GAAqBK,IAAI,GAAG,CAACH,WAAW,CAACF,KAAK,GAAGH,OAAT,CAAX,GAA+BL,CAAhC,MAAuC,CAAnE;AACD;;AAED,SAAKS,QAAQ,GAAG,CAAhB,EAAmBA,QAAQ,GAAGF,MAA9B,EAAsCE,QAAQ,EAA9C,EAAkD;AAChDD,WAAK,GAAGD,MAAM,GAAGE,QAAjB;;AACA,UAAIA,QAAQ,GAAG,CAAf,EAAkB;AAChBT,SAAC,GAAGU,WAAW,CAACF,KAAD,CAAf;AACD,OAFD,MAEO;AACLR,SAAC,GAAGU,WAAW,CAACF,KAAK,GAAG,CAAT,CAAf;AACD;;AAED,UAAIC,QAAQ,GAAG,CAAX,IAAgBD,KAAK,IAAI,CAA7B,EAAgC;AAC9BG,sBAAc,CAACF,QAAD,CAAd,GAA2BT,CAA3B;AACD,OAFD,MAEO;AACLW,sBAAc,CAACF,QAAD,CAAd,GAA2BpB,UAAU,CAACuB,IAAI,CAACZ,CAAC,KAAK,EAAP,CAAL,CAAV,GAA6BV,UAAU,CAACsB,IAAI,CAAEZ,CAAC,KAAK,EAAP,GAAa,IAAd,CAAL,CAAvC,GAAmET,UAAU,CAACqB,IAAI,CAAEZ,CAAC,KAAK,CAAP,GAAY,IAAb,CAAL,CAA7E,GAAwGR,UAAU,CAACoB,IAAI,CAACZ,CAAC,GAAG,IAAL,CAAL,CAA7I;AACD;;AAEDW,oBAAc,CAACF,QAAD,CAAd,GAA2BE,cAAc,CAACF,QAAD,CAAd,KAA6B,CAAxD;AACD;AACF,G,CAED;;;SACAK,sB,GAAA,gCAAwBC,IAAxB,EAA8B;AAC5B,WAAQA,IAAI,IAAI,EAAT,GAAgB,CAACA,IAAI,GAAG,MAAR,KAAmB,CAAnC,GAAyC,CAACA,IAAI,GAAG,QAAR,KAAqB,CAA9D,GAAoEA,IAAI,KAAK,EAApF;AACD,G;;SAED3D,O,GAAA,iBAAS4D,gBAAT,EAA2Bb,MAA3B,EAAmChD,KAAnC,EAA0C8D,kBAA1C,EAA8D;AAC5D,QAAIC,OAAO,GAAG,KAAKb,OAAL,GAAe,CAA7B;AACA,QAAIM,cAAc,GAAG,KAAKA,cAA1B;AACA,QAAIQ,OAAO,GAAG,KAAK1C,OAAnB;AAEA,QAAIF,SAAS,GAAG,KAAKA,SAArB;AACA,QAAIc,UAAU,GAAGd,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIe,UAAU,GAAGf,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIgB,UAAU,GAAGhB,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIiB,UAAU,GAAGjB,SAAS,CAAC,CAAD,CAA1B;AAEA,QAAI6C,UAAU,GAAG,KAAKzC,wBAAL,CAA8BxB,KAA9B,CAAjB;AACA,QAAIkE,WAAW,GAAGD,UAAU,CAAC,CAAD,CAA5B;AACA,QAAIE,WAAW,GAAGF,UAAU,CAAC,CAAD,CAA5B;AACA,QAAIG,WAAW,GAAGH,UAAU,CAAC,CAAD,CAA5B;AACA,QAAII,WAAW,GAAGJ,UAAU,CAAC,CAAD,CAA5B;AAEA,QAAIK,UAAU,GAAG,IAAIC,UAAJ,CAAeV,gBAAf,CAAjB;AACA,QAAIW,WAAW,GAAG,IAAID,UAAJ,CAAeD,UAAU,CAACrB,MAA1B,CAAlB;AAEA,QAAIwB,EAAJ,EAAQC,EAAR,EAAYC,EAAZ,EAAgBC,EAAhB;AACA,QAAIC,EAAJ,EAAQC,EAAR,EAAYC,EAAZ,EAAgBC,EAAhB;AACA,QAAIC,WAAJ,EAAiBC,WAAjB,EAA8BC,WAA9B,EAA2CC,WAA3C;AAEA,QAAI/B,KAAJ,EAAWzB,CAAX;AACA,QAAIyD,QAAQ,GAAG,KAAK1B,sBAApB;;AAEA,WAAOX,MAAM,GAAGsB,UAAU,CAACrB,MAA3B,EAAmC;AACjCgC,iBAAW,GAAGI,QAAQ,CAACf,UAAU,CAACtB,MAAD,CAAX,CAAtB;AACAkC,iBAAW,GAAGG,QAAQ,CAACf,UAAU,CAACtB,MAAM,GAAG,CAAV,CAAX,CAAtB;AACAmC,iBAAW,GAAGE,QAAQ,CAACf,UAAU,CAACtB,MAAM,GAAG,CAAV,CAAX,CAAtB;AACAoC,iBAAW,GAAGC,QAAQ,CAACf,UAAU,CAACtB,MAAM,GAAG,CAAV,CAAX,CAAtB;AAEA6B,QAAE,GAAGI,WAAW,GAAGzB,cAAc,CAAC,CAAD,CAAjC;AACAsB,QAAE,GAAGM,WAAW,GAAG5B,cAAc,CAAC,CAAD,CAAjC;AACAuB,QAAE,GAAGI,WAAW,GAAG3B,cAAc,CAAC,CAAD,CAAjC;AACAwB,QAAE,GAAGE,WAAW,GAAG1B,cAAc,CAAC,CAAD,CAAjC;AAEAH,WAAK,GAAG,CAAR,CAXiC,CAajC;;AACA,WAAKzB,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGmC,OAAhB,EAAyBnC,CAAC,EAA1B,EAA8B;AAC5B6C,UAAE,GAAGvC,UAAU,CAAC2C,EAAE,KAAK,EAAR,CAAV,GAAwB1C,UAAU,CAAE2C,EAAE,IAAI,EAAP,GAAa,IAAd,CAAlC,GAAwD1C,UAAU,CAAE2C,EAAE,IAAI,CAAP,GAAY,IAAb,CAAlE,GAAuF1C,UAAU,CAAC2C,EAAE,GAAG,IAAN,CAAjG,GAA+GxB,cAAc,CAACH,KAAD,CAAlI;AACAqB,UAAE,GAAGxC,UAAU,CAAC4C,EAAE,KAAK,EAAR,CAAV,GAAwB3C,UAAU,CAAE4C,EAAE,IAAI,EAAP,GAAa,IAAd,CAAlC,GAAwD3C,UAAU,CAAE4C,EAAE,IAAI,CAAP,GAAY,IAAb,CAAlE,GAAuF3C,UAAU,CAACwC,EAAE,GAAG,IAAN,CAAjG,GAA+GrB,cAAc,CAACH,KAAK,GAAG,CAAT,CAAlI;AACAsB,UAAE,GAAGzC,UAAU,CAAC6C,EAAE,KAAK,EAAR,CAAV,GAAwB5C,UAAU,CAAE6C,EAAE,IAAI,EAAP,GAAa,IAAd,CAAlC,GAAwD5C,UAAU,CAAEyC,EAAE,IAAI,CAAP,GAAY,IAAb,CAAlE,GAAuFxC,UAAU,CAACyC,EAAE,GAAG,IAAN,CAAjG,GAA+GtB,cAAc,CAACH,KAAK,GAAG,CAAT,CAAlI;AACAuB,UAAE,GAAG1C,UAAU,CAAC8C,EAAE,KAAK,EAAR,CAAV,GAAwB7C,UAAU,CAAE0C,EAAE,IAAI,EAAP,GAAa,IAAd,CAAlC,GAAwDzC,UAAU,CAAE0C,EAAE,IAAI,CAAP,GAAY,IAAb,CAAlE,GAAuFzC,UAAU,CAAC0C,EAAE,GAAG,IAAN,CAAjG,GAA+GvB,cAAc,CAACH,KAAK,GAAG,CAAT,CAAlI,CAJ4B,CAK5B;;AACAwB,UAAE,GAAGJ,EAAL;AACAK,UAAE,GAAGJ,EAAL;AACAK,UAAE,GAAGJ,EAAL;AACAK,UAAE,GAAGJ,EAAL;AAEAvB,aAAK,GAAGA,KAAK,GAAG,CAAhB;AACD,OA1BgC,CA4BjC;;;AACAoB,QAAE,GAAKT,OAAO,CAACa,EAAE,KAAK,EAAR,CAAP,IAAsB,EAAvB,GAA8Bb,OAAO,CAAEc,EAAE,IAAI,EAAP,GAAa,IAAd,CAAP,IAA8B,EAA5D,GAAmEd,OAAO,CAAEe,EAAE,IAAI,CAAP,GAAY,IAAb,CAAP,IAA6B,CAAhG,GAAqGf,OAAO,CAACgB,EAAE,GAAG,IAAN,CAA7G,GAA4HxB,cAAc,CAACH,KAAD,CAA/I;AACAqB,QAAE,GAAKV,OAAO,CAACc,EAAE,KAAK,EAAR,CAAP,IAAsB,EAAvB,GAA8Bd,OAAO,CAAEe,EAAE,IAAI,EAAP,GAAa,IAAd,CAAP,IAA8B,EAA5D,GAAmEf,OAAO,CAAEgB,EAAE,IAAI,CAAP,GAAY,IAAb,CAAP,IAA6B,CAAhG,GAAqGhB,OAAO,CAACa,EAAE,GAAG,IAAN,CAA7G,GAA4HrB,cAAc,CAACH,KAAK,GAAG,CAAT,CAA/I;AACAsB,QAAE,GAAKX,OAAO,CAACe,EAAE,KAAK,EAAR,CAAP,IAAsB,EAAvB,GAA8Bf,OAAO,CAAEgB,EAAE,IAAI,EAAP,GAAa,IAAd,CAAP,IAA8B,EAA5D,GAAmEhB,OAAO,CAAEa,EAAE,IAAI,CAAP,GAAY,IAAb,CAAP,IAA6B,CAAhG,GAAqGb,OAAO,CAACc,EAAE,GAAG,IAAN,CAA7G,GAA4HtB,cAAc,CAACH,KAAK,GAAG,CAAT,CAA/I;AACAuB,QAAE,GAAKZ,OAAO,CAACgB,EAAE,KAAK,EAAR,CAAP,IAAsB,EAAvB,GAA8BhB,OAAO,CAAEa,EAAE,IAAI,EAAP,GAAa,IAAd,CAAP,IAA8B,EAA5D,GAAmEb,OAAO,CAAEc,EAAE,IAAI,CAAP,GAAY,IAAb,CAAP,IAA6B,CAAhG,GAAqGd,OAAO,CAACe,EAAE,GAAG,IAAN,CAA7G,GAA4HvB,cAAc,CAACH,KAAK,GAAG,CAAT,CAA/I;AACAA,WAAK,GAAGA,KAAK,GAAG,CAAhB,CAjCiC,CAmCjC;;AACAmB,iBAAW,CAACxB,MAAD,CAAX,GAAsBqC,QAAQ,CAACZ,EAAE,GAAGP,WAAN,CAA9B;AACAM,iBAAW,CAACxB,MAAM,GAAG,CAAV,CAAX,GAA0BqC,QAAQ,CAACT,EAAE,GAAGT,WAAN,CAAlC;AACAK,iBAAW,CAACxB,MAAM,GAAG,CAAV,CAAX,GAA0BqC,QAAQ,CAACV,EAAE,GAAGP,WAAN,CAAlC;AACAI,iBAAW,CAACxB,MAAM,GAAG,CAAV,CAAX,GAA0BqC,QAAQ,CAACX,EAAE,GAAGL,WAAN,CAAlC,CAvCiC,CAyCjC;;AACAH,iBAAW,GAAGe,WAAd;AACAd,iBAAW,GAAGe,WAAd;AACAd,iBAAW,GAAGe,WAAd;AACAd,iBAAW,GAAGe,WAAd;AAEApC,YAAM,GAAGA,MAAM,GAAG,CAAlB;AACD;;AAED,WAAOc,kBAAkB,GAAGtD,aAAa,CAACgE,WAAW,CAAC/D,MAAb,CAAhB,GAAuC+D,WAAW,CAAC/D,MAA5E;AACD,G;;SAED6E,O,GAAA,mBAAW;AACT,SAAKnF,GAAL,GAAWoF,SAAX;AACA,SAAKrC,OAAL,GAAeqC,SAAf;AACA,SAAKnC,MAAL,GAAcmC,SAAd;AAEA,SAAKlE,IAAL,GAAYkE,SAAZ;AACA,SAAKjE,OAAL,GAAeiE,SAAf;AACA,SAAKrE,MAAL,GAAcqE,SAAd;AACA,SAAKnE,SAAL,GAAiBmE,SAAjB;AACA,SAAKhC,WAAL,GAAmBgC,SAAnB;AACA,SAAK/B,cAAL,GAAsB+B,SAAtB;AAEA,SAAKtE,IAAL,GAAYsE,SAAZ;AACD,G;;;;;AAGYvE,8DAAf,E;;;;;;;;;;;;;;ACzRA;AACA;AACA;AAEA;AACA;AAEA;CAIA;;AACA,IAAMwE,MAAM,GAAGC,sCAAY,EAA3B,C,CAA+B;;IAEzBC,mB;;;AACJ,qBAAaC,QAAb,EAAuBC,MAAvB,SAAmE;AAAA,kCAAJ,EAAI;AAAA,qCAAlC9B,kBAAkC;AAAA,QAAlCA,kBAAkC,sCAAb,IAAa;;AACjE,SAAK+B,UAAL,GAAkB,IAAlB;AACA,SAAKF,QAAL,GAAgBA,QAAhB;AACA,SAAKC,MAAL,GAAcA,MAAd;AACA,SAAK9B,kBAAL,GAA0BA,kBAA1B,CAJiE,CAKjE;;AACA,QAAIA,kBAAJ,EAAwB;AACtB,UAAI;AACF,YAAMgC,aAAa,GAAGN,MAAM,CAACO,MAA7B;;AACA,YAAID,aAAJ,EAAmB;AACjB,eAAKhG,MAAL,GAAcgG,aAAa,CAAChG,MAAd,IAAwBgG,aAAa,CAACE,YAApD;AACD;AACF,OALD,CAKE,OAAOC,CAAP,EAAU,CAAE;AACf;;AACD,SAAKC,gBAAL,GAAwB,CAAC,KAAKpG,MAA9B;AACD;;;;SAEDqG,M,GAAA,kBAAU;AACR,WAAQ,KAAKD,gBAAL,IAAyB,KAAKN,MAAL,CAAYQ,iBAA7C;AACD,G;;SAEDnG,O,GAAA,iBAASC,IAAT,EAAeC,GAAf,EAAoBJ,EAApB,EAAwBsG,QAAxB,EAAkC;AAAA;;AAChC,QAAI,KAAKH,gBAAL,IAAyB,KAAKN,MAAL,CAAYQ,iBAAzC,EAA4D;AAC1D,UAAI,KAAKP,UAAT,EAAqB;AACnBS,wBAAM,CAACC,GAAP,CAAW,gBAAX;AACA,aAAKV,UAAL,GAAkB,KAAlB;AACD;;AACD,UAAIW,SAAS,GAAG,KAAKA,SAArB;;AACA,UAAI,CAACA,SAAL,EAAgB;AACd,aAAKA,SAAL,GAAiBA,SAAS,GAAG,IAAIxF,aAAJ,EAA7B;AACD;;AAEDwF,eAAS,CAAClG,SAAV,CAAoBH,GAApB;AACAkG,cAAQ,CAACG,SAAS,CAACvG,OAAV,CAAkBC,IAAlB,EAAwB,CAAxB,EAA2BH,EAA3B,EAA+B,KAAK+D,kBAApC,CAAD,CAAR;AACD,KAZD,MAYO;AACL,UAAI,KAAK+B,UAAT,EAAqB;AACnBS,wBAAM,CAACC,GAAP,CAAW,uBAAX;AACA,aAAKV,UAAL,GAAkB,KAAlB;AACD;;AACD,UAAM/F,MAAM,GAAG,KAAKA,MAApB;;AACA,UAAI,KAAKK,GAAL,KAAaA,GAAjB,EAAsB;AACpB,aAAKA,GAAL,GAAWA,GAAX;AACA,aAAKsG,UAAL,GAAkB,IAAIpG,YAAJ,CAAeP,MAAf,EAAuBK,GAAvB,CAAlB;AACD;;AAED,WAAKsG,UAAL,CAAgBnG,SAAhB,GACGoG,IADH,CACQ,UAACC,MAAD,EAAY;AAChB;AACA,YAAIZ,MAAM,GAAG,IAAIlG,SAAJ,CAAcC,MAAd,EAAsBC,EAAtB,CAAb;AACAgG,cAAM,CAAC9F,OAAP,CAAeC,IAAf,EAAqByG,MAArB,EACGC,KADH,CACS,UAACC,GAAD,EAAS;AACd,eAAI,CAACC,gBAAL,CAAsBD,GAAtB,EAA2B3G,IAA3B,EAAiCC,GAAjC,EAAsCJ,EAAtC,EAA0CsG,QAA1C;AACD,SAHH,EAIGK,IAJH,CAIQ,UAACK,MAAD,EAAY;AAChBV,kBAAQ,CAACU,MAAD,CAAR;AACD,SANH;AAOD,OAXH,EAYGH,KAZH,CAYS,UAACC,GAAD,EAAS;AACd,aAAI,CAACC,gBAAL,CAAsBD,GAAtB,EAA2B3G,IAA3B,EAAiCC,GAAjC,EAAsCJ,EAAtC,EAA0CsG,QAA1C;AACD,OAdH;AAeD;AACF,G;;SAEDS,gB,GAAA,0BAAkBD,GAAlB,EAAuB3G,IAAvB,EAA6BC,GAA7B,EAAkCJ,EAAlC,EAAsCsG,QAAtC,EAAgD;AAC9C,QAAI,KAAKT,MAAL,CAAYQ,iBAAhB,EAAmC;AACjCE,sBAAM,CAACC,GAAP,CAAW,wCAAX;AACA,WAAKL,gBAAL,GAAwB,IAAxB;AACA,WAAKL,UAAL,GAAkB,IAAlB;AACA,WAAK5F,OAAL,CAAaC,IAAb,EAAmBC,GAAnB,EAAwBJ,EAAxB,EAA4BsG,QAA5B;AACD,KALD,MAKO;AACLC,sBAAM,CAACU,KAAP,yBAAmCH,GAAG,CAACI,OAAvC;AACA,WAAKtB,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACC,KAA5B,EAAmC;AAAEC,YAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,eAAO,EAAEC,sBAAY,CAACC,kBAAtD;AAA0EC,aAAK,EAAE,IAAjF;AAAuFC,cAAM,EAAEf,GAAG,CAACI;AAAnG,OAAnC;AACD;AACF,G;;SAED3B,O,GAAA,mBAAW;AACT,QAAIkB,SAAS,GAAG,KAAKA,SAArB;;AACA,QAAIA,SAAJ,EAAe;AACbA,eAAS,CAAClB,OAAV;AACA,WAAKkB,SAAL,GAAiBjB,SAAjB;AACD;AACF,G;;;;;AAGYG,kGAAf,E;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;ACnGA;;;;AAIA;AACA;AAEA;AAEA;AAEO,SAASmC,cAAT,CAAyBlC,QAAzB,EAAmCzF,IAAnC,EAAyC8C,MAAzC,EAAiD8E,UAAjD,EAA6D;AAClE,MAAIC,cAAJ;AAAA,MAAoB;AAClBC,oBADF;AAAA,MACsB;AACpBC,6BAFF;AAAA,MAE+B;AAC7BC,kBAHF;AAAA,MAGoB;AAClBtC,QAJF;AAAA,MAKEuC,SAAS,GAAGC,SAAS,CAACD,SAAV,CAAoBE,WAApB,EALd;AAAA,MAMEC,aAAa,GAAGR,UANlB;AAAA,MAOES,kBAAkB,GAAG,CACnB,KADmB,EACZ,KADY,EAEnB,KAFmB,EAEZ,KAFY,EAGnB,KAHmB,EAGZ,KAHY,EAInB,KAJmB,EAIZ,KAJY,EAKnB,KALmB,EAKZ,KALY,EAMnB,KANmB,EAMZ,IANY,EAOnB,IAPmB,CAPvB,CADkE,CAgBlE;;AACAR,gBAAc,GAAG,CAAC,CAAC7H,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,CAA/B,IAAoC,CAArD;AACAgF,oBAAkB,GAAI,CAAC9H,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,CAApD;;AACA,MAAIgF,kBAAkB,GAAGO,kBAAkB,CAACtF,MAAnB,GAA4B,CAArD,EAAwD;AACtD0C,YAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,UAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,aAAO,EAAEC,sBAAY,CAACe,kBAAtD;AAA0Eb,WAAK,EAAE,IAAjF;AAAuFC,YAAM,mCAAiCI;AAA9H,KAA9B;AACA;AACD;;AACDE,kBAAgB,GAAI,CAAChI,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,CAAjD,CAvBkE,CAwBlE;;AACAkF,kBAAgB,IAAK,CAAChI,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,CAAnD;AACAsD,kBAAM,CAACC,GAAP,qBAA6BuB,UAA7B,wBAA0DC,cAA1D,wBAA2FC,kBAA3F,SAAiHO,kBAAkB,CAACP,kBAAD,CAAnI,0BAA4KE,gBAA5K,EA1BkE,CA2BlE;;AACA,MAAI,WAAWO,IAAX,CAAgBN,SAAhB,CAAJ,EAAgC;AAC9B,QAAIH,kBAAkB,IAAI,CAA1B,EAA6B;AAC3BD,oBAAc,GAAG,CAAjB;AACAnC,YAAM,GAAG,IAAI8C,KAAJ,CAAU,CAAV,CAAT,CAF2B,CAG3B;AACA;AACA;;AACAT,iCAA2B,GAAGD,kBAAkB,GAAG,CAAnD;AACD,KAPD,MAOO;AACLD,oBAAc,GAAG,CAAjB;AACAnC,YAAM,GAAG,IAAI8C,KAAJ,CAAU,CAAV,CAAT;AACAT,iCAA2B,GAAGD,kBAA9B;AACD,KAZ6B,CAa9B;;AACD,GAdD,MAcO,IAAIG,SAAS,CAACQ,OAAV,CAAkB,SAAlB,MAAiC,CAAC,CAAtC,EAAyC;AAC9CZ,kBAAc,GAAG,CAAjB;AACAnC,UAAM,GAAG,IAAI8C,KAAJ,CAAU,CAAV,CAAT;AACAT,+BAA2B,GAAGD,kBAA9B;AACD,GAJM,MAIA;AACL;;;AAGAD,kBAAc,GAAG,CAAjB;AACAnC,UAAM,GAAG,IAAI8C,KAAJ,CAAU,CAAV,CAAT,CALK,CAML;;AACA,QAAKZ,UAAU,KAAMA,UAAU,CAACa,OAAX,CAAmB,YAAnB,MAAqC,CAAC,CAAvC,IACjBb,UAAU,CAACa,OAAX,CAAmB,WAAnB,MAAoC,CAAC,CADzB,CAAX,IAED,CAACb,UAAD,IAAeE,kBAAkB,IAAI,CAFxC,EAE4C;AAC1C;AACA;AACA;AACAC,iCAA2B,GAAGD,kBAAkB,GAAG,CAAnD;AACD,KAPD,MAOO;AACL;AACA;AACA,UAAIF,UAAU,IAAIA,UAAU,CAACa,OAAX,CAAmB,WAAnB,MAAoC,CAAC,CAAnD,KAA0DX,kBAAkB,IAAI,CAAtB,IAA2BE,gBAAgB,KAAK,CAAjD,IACvD,WAAWO,IAAX,CAAgBN,SAAhB,CADF,KAED,CAACL,UAAD,IAAeI,gBAAgB,KAAK,CAFvC,EAE2C;AACzCH,sBAAc,GAAG,CAAjB;AACAnC,cAAM,GAAG,IAAI8C,KAAJ,CAAU,CAAV,CAAT;AACD;;AACDT,iCAA2B,GAAGD,kBAA9B;AACD;AACF;AACD;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAiCA;;;AACApC,QAAM,CAAC,CAAD,CAAN,GAAYmC,cAAc,IAAI,CAA9B,CA1GkE,CA2GlE;;AACAnC,QAAM,CAAC,CAAD,CAAN,IAAa,CAACoC,kBAAkB,GAAG,IAAtB,KAA+B,CAA5C;AACApC,QAAM,CAAC,CAAD,CAAN,IAAa,CAACoC,kBAAkB,GAAG,IAAtB,KAA+B,CAA5C,CA7GkE,CA8GlE;;AACApC,QAAM,CAAC,CAAD,CAAN,IAAasC,gBAAgB,IAAI,CAAjC;;AACA,MAAIH,cAAc,KAAK,CAAvB,EAA0B;AACxB;AACAnC,UAAM,CAAC,CAAD,CAAN,IAAa,CAACqC,2BAA2B,GAAG,IAA/B,KAAwC,CAArD;AACArC,UAAM,CAAC,CAAD,CAAN,GAAY,CAACqC,2BAA2B,GAAG,IAA/B,KAAwC,CAApD,CAHwB,CAIxB;AACA;;AACArC,UAAM,CAAC,CAAD,CAAN,IAAa,KAAK,CAAlB;AACAA,UAAM,CAAC,CAAD,CAAN,GAAY,CAAZ;AACD;;AACD,SAAO;AAAEA,UAAM,EAAEA,MAAV;AAAkBgD,cAAU,EAAEL,kBAAkB,CAACP,kBAAD,CAAhD;AAAsEa,gBAAY,EAAEX,gBAApF;AAAsGY,SAAK,EAAG,aAAaf,cAA3H;AAA4IO,iBAAa,EAAEA;AAA3J,GAAP;AACD;AAEM,SAASS,eAAT,CAA0B7I,IAA1B,EAAgC8C,MAAhC,EAAwC;AAC7C,SAAO9C,IAAI,CAAC8C,MAAD,CAAJ,KAAiB,IAAjB,IAAyB,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,IAA9D;AACD;AAEM,SAASgG,eAAT,CAA0B9I,IAA1B,EAAgC8C,MAAhC,EAAwC;AAC7C,SAAQ9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAnB,GAA0B,CAA1B,GAA8B,CAAtC;AACD;AAEM,SAASiG,kBAAT,CAA6B/I,IAA7B,EAAmC8C,MAAnC,EAA2C;AAChD,SAAQ,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,EAA9B,GACJ9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CADhB,GAEJ,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,CAFjC;AAGD;AAEM,SAASkG,QAAT,CAAmBhJ,IAAnB,EAAyB8C,MAAzB,EAAiC;AACtC;AACA;AACA;AACA,MAAIA,MAAM,GAAG,CAAT,GAAa9C,IAAI,CAAC+C,MAAlB,IAA4B8F,eAAe,CAAC7I,IAAD,EAAO8C,MAAP,CAA/C,EAA+D;AAC7D,WAAO,IAAP;AACD;;AAED,SAAO,KAAP;AACD;AAEM,SAASmG,UAAT,CAAgBjJ,IAAhB,EAAsB8C,MAAtB,EAA8B;AACnC;AACA;AACA,MAAIkG,QAAQ,CAAChJ,IAAD,EAAO8C,MAAP,CAAZ,EAA4B;AAC1B;AACA,QAAIoG,YAAY,GAAGJ,eAAe,CAAC9I,IAAD,EAAO8C,MAAP,CAAlC,CAF0B,CAG1B;;AACA,QAAIqG,WAAW,GAAGD,YAAlB;;AACA,QAAIpG,MAAM,GAAG,CAAT,GAAa9C,IAAI,CAAC+C,MAAtB,EAA8B;AAC5BoG,iBAAW,GAAGJ,kBAAkB,CAAC/I,IAAD,EAAO8C,MAAP,CAAhC;AACD;;AAED,QAAIsG,SAAS,GAAGtG,MAAM,GAAGqG,WAAzB;;AACA,QAAIC,SAAS,KAAKpJ,IAAI,CAAC+C,MAAnB,IAA8BqG,SAAS,GAAG,CAAZ,GAAgBpJ,IAAI,CAAC+C,MAArB,IAA+B8F,eAAe,CAAC7I,IAAD,EAAOoJ,SAAP,CAAhF,EAAoG;AAClG,aAAO,IAAP;AACD;AACF;;AACD,SAAO,KAAP;AACD;AAEM,SAASC,eAAT,CAA0BC,KAA1B,EAAiC7D,QAAjC,EAA2CzF,IAA3C,EAAiD8C,MAAjD,EAAyD8E,UAAzD,EAAqE;AAC1E,MAAI,CAAC0B,KAAK,CAACZ,UAAX,EAAuB;AACrB,QAAIhD,MAAM,GAAGiC,cAAc,CAAClC,QAAD,EAAWzF,IAAX,EAAiB8C,MAAjB,EAAyB8E,UAAzB,CAA3B;AACA0B,SAAK,CAAC5D,MAAN,GAAeA,MAAM,CAACA,MAAtB;AACA4D,SAAK,CAACZ,UAAN,GAAmBhD,MAAM,CAACgD,UAA1B;AACAY,SAAK,CAACX,YAAN,GAAqBjD,MAAM,CAACiD,YAA5B;AACAW,SAAK,CAACV,KAAN,GAAclD,MAAM,CAACkD,KAArB;AACAU,SAAK,CAAClB,aAAN,GAAsB1C,MAAM,CAAC0C,aAA7B;AACAhC,oBAAM,CAACC,GAAP,mBAA2BiD,KAAK,CAACV,KAAjC,cAA+ClD,MAAM,CAACgD,UAAtD,oBAA+EhD,MAAM,CAACiD,YAAtF;AACD;AACF;AAEM,SAASY,gBAAT,CAA2Bb,UAA3B,EAAuC;AAC5C,SAAO,OAAO,KAAP,GAAeA,UAAtB;AACD;AAEM,SAASc,gBAAT,CAA2BxJ,IAA3B,EAAiC8C,MAAjC,EAAyC2G,GAAzC,EAA8CC,UAA9C,EAA0DC,aAA1D,EAAyE;AAC9E,MAAIT,YAAJ,EAAkBC,WAAlB,EAA+BS,KAA/B;AACA,MAAI7G,MAAM,GAAG/C,IAAI,CAAC+C,MAAlB,CAF8E,CAI9E;;AACAmG,cAAY,GAAGJ,eAAe,CAAC9I,IAAD,EAAO8C,MAAP,CAA9B,CAL8E,CAM9E;;AACAqG,aAAW,GAAGJ,kBAAkB,CAAC/I,IAAD,EAAO8C,MAAP,CAAhC;AACAqG,aAAW,IAAID,YAAf;;AAEA,MAAKC,WAAW,GAAG,CAAf,IAAuBrG,MAAM,GAAGoG,YAAT,GAAwBC,WAAzB,IAAyCpG,MAAnE,EAA4E;AAC1E6G,SAAK,GAAGH,GAAG,GAAGC,UAAU,GAAGC,aAA3B,CAD0E,CAE1E;;AACA,WAAO;AAAET,kBAAY,EAAZA,YAAF;AAAgBC,iBAAW,EAAXA,WAAhB;AAA6BS,WAAK,EAALA;AAA7B,KAAP;AACD;;AAED,SAAOvE,SAAP;AACD;AAEM,SAASwE,WAAT,CAAsBP,KAAtB,EAA6BtJ,IAA7B,EAAmC8C,MAAnC,EAA2C2G,GAA3C,EAAgDC,UAAhD,EAA4D;AACjE,MAAIC,aAAa,GAAGJ,gBAAgB,CAACD,KAAK,CAACZ,UAAP,CAApC;AACA,MAAIoB,MAAM,GAAGN,gBAAgB,CAACxJ,IAAD,EAAO8C,MAAP,EAAe2G,GAAf,EAAoBC,UAApB,EAAgCC,aAAhC,CAA7B;;AACA,MAAIG,MAAJ,EAAY;AACV,QAAIF,KAAK,GAAGE,MAAM,CAACF,KAAnB;AACA,QAAIV,YAAY,GAAGY,MAAM,CAACZ,YAA1B;AACA,QAAIC,WAAW,GAAGW,MAAM,CAACX,WAAzB,CAHU,CAKV;;AACA,QAAIY,SAAS,GAAG;AACdC,UAAI,EAAEhK,IAAI,CAACiK,QAAL,CAAcnH,MAAM,GAAGoG,YAAvB,EAAqCpG,MAAM,GAAGoG,YAAT,GAAwBC,WAA7D,CADQ;AAEdM,SAAG,EAAEG,KAFS;AAGdM,SAAG,EAAEN;AAHS,KAAhB;AAMAN,SAAK,CAACa,OAAN,CAAcC,IAAd,CAAmBL,SAAnB;AACA,WAAO;AAAEM,YAAM,EAAEN,SAAV;AAAqBhH,YAAM,EAAEoG,WAAW,GAAGD;AAA3C,KAAP;AACD;;AAED,SAAO7D,SAAP;AACD,C;;;;;;;AC3OD;;;AAGA;AACA;AACA;;IAEMiF,qB;;;AACJ,sBAAa7E,QAAb,EAAuB8E,OAAvB,EAAgC7E,MAAhC,EAAwC;AACtC,SAAKD,QAAL,GAAgBA,QAAhB;AACA,SAAKC,MAAL,GAAcA,MAAd;AACA,SAAK6E,OAAL,GAAeA,OAAf;AACD;;;;SAEDC,gB,GAAA,0BAAkBC,WAAlB,EAA+B7C,UAA/B,EAA2C8C,UAA3C,EAAuDC,QAAvD,EAAiE;AAC/D,SAAKC,WAAL,GAAmB;AAAEC,eAAS,EAAE,YAAb;AAA2B1D,UAAI,EAAE,OAAjC;AAA0C2D,QAAE,EAAE,CAA9C;AAAiDC,oBAAc,EAAE,CAAjE;AAAoEC,WAAK,EAAE,IAA3E;AAAiFb,aAAO,EAAE,EAA1F;AAA8Fc,SAAG,EAAE,CAAnG;AAAsG7C,mBAAa,EAAER,UAArH;AAAiI+C,cAAQ,EAAEA,QAA3I;AAAqJO,oBAAc,EAAE;AAArK,KAAnB;AACD,G;;SAEDC,c,GAAA,0BAAkB,CACjB,C;;aAEMlC,K,GAAP,eAAcjJ,IAAd,EAAoB;AAClB,QAAI,CAACA,IAAL,EAAW;AACT,aAAO,KAAP;AACD,KAHiB,CAKlB;AACA;AACA;AACA;;;AACA,QAAMoL,OAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB,CAArB,KAA2B,EAA3C;AACA,QAAI8C,MAAM,GAAGsI,OAAO,CAACrI,MAArB;;AAEA,SAAK,IAAIA,MAAM,GAAG/C,IAAI,CAAC+C,MAAvB,EAA+BD,MAAM,GAAGC,MAAxC,EAAgDD,MAAM,EAAtD,EAA0D;AACxD,UAAIyI,UAAA,CAAWvL,IAAX,EAAiB8C,MAAjB,CAAJ,EAA8B;AAC5BsD,wBAAM,CAACC,GAAP,CAAW,wBAAX;AACA,eAAO,IAAP;AACD;AACF;;AACD,WAAO,KAAP;AACD,G,CAED;;;SACAmF,M,GAAA,gBAAQxL,IAAR,EAAcyL,UAAd,EAA0BC,UAA1B,EAAsCC,kBAAtC,EAA0D;AACxD,QAAIrC,KAAK,GAAG,KAAKsB,WAAjB;AACA,QAAIQ,OAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB,CAArB,KAA2B,EAAzC;AACA,QAAI4L,SAAS,GAAGP,cAAG,CAACQ,YAAJ,CAAiBT,OAAjB,CAAhB;AACA,QAAI3B,GAAG,GAAG,0CAAgBmC,SAAhB,IAA6BA,SAAS,GAAG,EAAzC,GAA8CH,UAAU,GAAG,KAArE;AACA,QAAI/B,UAAU,GAAG,CAAjB;AACA,QAAIE,KAAK,GAAGH,GAAZ;AACA,QAAI1G,MAAM,GAAG/C,IAAI,CAAC+C,MAAlB;AACA,QAAID,MAAM,GAAGsI,OAAO,CAACrI,MAArB;AAEA,QAAI+I,UAAU,GAAG,CAAC;AAAErC,SAAG,EAAEG,KAAP;AAAcM,SAAG,EAAEN,KAAnB;AAA0B5J,UAAI,EAAEoL;AAAhC,KAAD,CAAjB;;AAEA,WAAOtI,MAAM,GAAGC,MAAM,GAAG,CAAzB,EAA4B;AAC1B,UAAIwI,QAAA,CAAcvL,IAAd,EAAoB8C,MAApB,KAAgCA,MAAM,GAAG,CAAV,GAAeC,MAAlD,EAA0D;AACxDwI,uBAAA,CAAqBjC,KAArB,EAA4B,KAAK7D,QAAjC,EAA2CzF,IAA3C,EAAiD8C,MAAjD,EAAyDwG,KAAK,CAAClB,aAA/D;AACA,YAAI2D,KAAK,GAAGR,WAAA,CAAiBjC,KAAjB,EAAwBtJ,IAAxB,EAA8B8C,MAA9B,EAAsC2G,GAAtC,EAA2CC,UAA3C,CAAZ;;AACA,YAAIqC,KAAJ,EAAW;AACTjJ,gBAAM,IAAIiJ,KAAK,CAAChJ,MAAhB;AACA6G,eAAK,GAAGmC,KAAK,CAAC1B,MAAN,CAAaZ,GAArB;AACAC,oBAAU;AACX,SAJD,MAIO;AACLtD,0BAAM,CAACC,GAAP,CAAW,2BAAX;AACA;AACD;AACF,OAXD,MAWO,IAAIgF,cAAG,CAACrC,QAAJ,CAAahJ,IAAb,EAAmB8C,MAAnB,CAAJ,EAAgC;AACrCsI,eAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB8C,MAArB,CAAV;AACAgJ,kBAAU,CAAC1B,IAAX,CAAgB;AAAEX,aAAG,EAAEG,KAAP;AAAcM,aAAG,EAAEN,KAAnB;AAA0B5J,cAAI,EAAEoL;AAAhC,SAAhB;AACAtI,cAAM,IAAIsI,OAAO,CAACrI,MAAlB;AACD,OAJM,MAIA;AACL;AACAD,cAAM;AACP;AACF;;AAED,SAAKyH,OAAL,CAAayB,KAAb,CAAmB1C,KAAnB,EACE;AAAEa,aAAO,EAAE;AAAX,KADF,EAEE;AAAEA,aAAO,EAAE2B,UAAX;AAAuBZ,oBAAc,EAAE;AAAvC,KAFF,EAGE;AAAEf,aAAO,EAAE;AAAX,KAHF,EAIEsB,UAJF,EAKEC,UALF,EAMEC,kBANF;AAOD,G;;SAEDvG,O,GAAA,mBAAW,CACV,C;;;;;AAGYkF,oEAAf,E;;;;;AC1FA;;;AAIA,IAAM2B,SAAS,GAAG;AAEhBC,aAAW,EAAE,CACX,EADW,EACP,EADO,EACH,EADG,EACC,GADD,EACM,GADN,EACW,GADX,EACgB,GADhB,EACqB,GADrB,EAC0B,GAD1B,EAC+B,GAD/B,EACoC,GADpC,EACyC,GADzC,EAC8C,GAD9C,EACmD,GADnD,EAEX,EAFW,EAEP,EAFO,EAEH,EAFG,EAEC,EAFD,EAEK,EAFL,EAES,EAFT,EAEa,GAFb,EAEkB,GAFlB,EAEuB,GAFvB,EAE4B,GAF5B,EAEiC,GAFjC,EAEsC,GAFtC,EAE2C,GAF3C,EAEgD,GAFhD,EAGX,EAHW,EAGP,EAHO,EAGH,EAHG,EAGC,EAHD,EAGK,EAHL,EAGS,EAHT,EAGa,EAHb,EAGiB,GAHjB,EAGsB,GAHtB,EAG2B,GAH3B,EAGgC,GAHhC,EAGqC,GAHrC,EAG0C,GAH1C,EAG+C,GAH/C,EAIX,EAJW,EAIP,EAJO,EAIH,EAJG,EAIC,EAJD,EAIK,EAJL,EAIS,EAJT,EAIa,GAJb,EAIkB,GAJlB,EAIuB,GAJvB,EAI4B,GAJ5B,EAIiC,GAJjC,EAIsC,GAJtC,EAI2C,GAJ3C,EAIgD,GAJhD,EAKX,CALW,EAKR,EALQ,EAKJ,EALI,EAKA,EALA,EAKI,EALJ,EAKQ,EALR,EAKY,EALZ,EAKgB,EALhB,EAKoB,EALpB,EAKwB,EALxB,EAK4B,GAL5B,EAKiC,GALjC,EAKsC,GALtC,EAK2C,GAL3C,CAFG;AAShBC,iBAAe,EAAE,CAAC,KAAD,EAAQ,KAAR,EAAe,KAAf,EAAsB,KAAtB,EAA6B,KAA7B,EAAoC,KAApC,EAA2C,KAA3C,EAAkD,KAAlD,EAAyD,IAAzD,CATD;AAWhBC,qBAAmB,EAAE,CACnB;AACA,GACE,CADF,EACK;AACH,IAFF,EAEM;AACJ,KAHF,EAGO;AACL,IAJF,CAIK;AAJL,GAFmB,EAQnB;AACA,GACE,CADF,EACK;AACH,GAFF,EAEK;AACH,GAHF,EAGK;AACH,GAJF,CAII;AAJJ,GATmB,EAenB;AACA,GACE,CADF,EACK;AACH,IAFF,EAEM;AACJ,KAHF,EAGO;AACL,IAJF,CAIK;AAJL,GAhBmB,EAsBnB;AACA,GACE,CADF,EACK;AACH,KAFF,EAEO;AACL,KAHF,EAGO;AACL,IAJF,CAIK;AAJL,GAvBmB,CAXL;AA0ChBC,aAAW,EAAE,CACX,CADW,EACR;AACH,GAFW,EAER;AACH,GAHW,EAGR;AACH,GAJW,CAIT;AAJS,GA1CG;AAiDhBxC,aAAW,EAAE,qBAAUP,KAAV,EAAiBtJ,IAAjB,EAAuB8C,MAAvB,EAA+B2G,GAA/B,EAAoCC,UAApC,EAAgD;AAC3D;AACA,QAAI5G,MAAM,GAAG,EAAT,GAAc9C,IAAI,CAAC+C,MAAvB,EAA+B;AAC7B,aAAOsC,SAAP;AACD;;AAED,QAAIyE,MAAM,GAAG,KAAKwC,WAAL,CAAiBtM,IAAjB,EAAuB8C,MAAvB,CAAb;;AACA,QAAIgH,MAAM,IAAIhH,MAAM,GAAGgH,MAAM,CAACX,WAAhB,IAA+BnJ,IAAI,CAAC+C,MAAlD,EAA0D;AACxD,UAAI4G,aAAa,GAAGG,MAAM,CAACyC,eAAP,GAAyB,KAAzB,GAAiCzC,MAAM,CAAC0C,UAA5D;AACA,UAAI5C,KAAK,GAAGH,GAAG,GAAGC,UAAU,GAAGC,aAA/B;AACA,UAAIU,MAAM,GAAG;AAAEL,YAAI,EAAEhK,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBA,MAAM,GAAGgH,MAAM,CAACX,WAAtC,CAAR;AAA4DM,WAAG,EAAEG,KAAjE;AAAwEM,WAAG,EAAEN;AAA7E,OAAb;AAEAN,WAAK,CAAC5D,MAAN,GAAe,EAAf;AACA4D,WAAK,CAACX,YAAN,GAAqBmB,MAAM,CAACnB,YAA5B;AACAW,WAAK,CAACZ,UAAN,GAAmBoB,MAAM,CAAC0C,UAA1B;AACAlD,WAAK,CAACa,OAAN,CAAcC,IAAd,CAAmBC,MAAnB;AAEA,aAAO;AAAEA,cAAM,EAANA,MAAF;AAAUtH,cAAM,EAAE+G,MAAM,CAACX;AAAzB,OAAP;AACD;;AAED,WAAO9D,SAAP;AACD,GAtEe;AAwEhBiH,aAAW,EAAE,qBAAUtM,IAAV,EAAgB8C,MAAhB,EAAwB;AACnC,QAAI2J,OAAO,GAAIzM,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAArB,GAA0B,CAAxC;AACA,QAAI4J,OAAO,GAAI1M,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAArB,GAA0B,CAAxC;AACA,QAAI6J,OAAO,GAAI3M,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAArB,GAA0B,EAAxC;AACA,QAAI8J,OAAO,GAAI5M,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAArB,GAA0B,CAAxC;AACA,QAAI+J,OAAO,GAAI7M,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAArB,GAA0B,CAAxC;;AACA,QAAI2J,OAAO,KAAK,CAAZ,IAAiBE,OAAO,KAAK,CAA7B,IAAkCA,OAAO,KAAK,EAA9C,IAAoDC,OAAO,KAAK,CAApE,EAAuE;AACrE,UAAIE,gBAAgB,GAAGL,OAAO,KAAK,CAAZ,GAAiB,IAAIC,OAArB,GAAiCA,OAAO,KAAK,CAAZ,GAAgB,CAAhB,GAAoB,CAA5E;AACA,UAAIK,OAAO,GAAGd,SAAS,CAACC,WAAV,CAAsBY,gBAAgB,GAAG,EAAnB,GAAwBH,OAAxB,GAAkC,CAAxD,IAA6D,IAA3E;AACA,UAAIK,mBAAmB,GAAGP,OAAO,KAAK,CAAZ,GAAgB,CAAhB,GAAoBA,OAAO,KAAK,CAAZ,GAAgB,CAAhB,GAAoB,CAAlE;AACA,UAAID,UAAU,GAAGP,SAAS,CAACE,eAAV,CAA0Ba,mBAAmB,GAAG,CAAtB,GAA0BJ,OAApD,CAAjB;AACA,UAAIjE,YAAY,GAAG3I,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAApB,KAA0B,CAA1B,GAA8B,CAA9B,GAAkC,CAArD,CALqE,CAKb;;AACxD,UAAImK,iBAAiB,GAAGhB,SAAS,CAACG,mBAAV,CAA8BK,OAA9B,EAAuCC,OAAvC,CAAxB;AACA,UAAIQ,WAAW,GAAGjB,SAAS,CAACI,WAAV,CAAsBK,OAAtB,CAAlB;AACA,UAAIH,eAAe,GAAGU,iBAAiB,GAAG,CAApB,GAAwBC,WAA9C;AACA,UAAI/D,WAAW,GAAGgE,QAAQ,CAACF,iBAAiB,GAAGF,OAApB,GAA8BP,UAA9B,GAA2CK,OAA5C,EAAqD,EAArD,CAAR,GAAmEK,WAArF;AAEA,aAAO;AAAEV,kBAAU,EAAVA,UAAF;AAAc7D,oBAAY,EAAZA,YAAd;AAA4BQ,mBAAW,EAAXA,WAA5B;AAAyCoD,uBAAe,EAAfA;AAAzC,OAAP;AACD;;AAED,WAAOlH,SAAP;AACD,GA7Fe;AA+FhBwD,iBAAe,EAAE,yBAAU7I,IAAV,EAAgB8C,MAAhB,EAAwB;AACvC,WAAO9C,IAAI,CAAC8C,MAAD,CAAJ,KAAiB,IAAjB,IAAyB,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,IAAvD,IAA+D,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,IAApG;AACD,GAjGe;AAmGhBkG,UAAQ,EAAE,kBAAUhJ,IAAV,EAAgB8C,MAAhB,EAAwB;AAChC;AACA;AACA;AACA,QAAIA,MAAM,GAAG,CAAT,GAAa9C,IAAI,CAAC+C,MAAlB,IAA4B,KAAK8F,eAAL,CAAqB7I,IAArB,EAA2B8C,MAA3B,CAAhC,EAAoE;AAClE,aAAO,IAAP;AACD;;AAED,WAAO,KAAP;AACD,GA5Ge;AA8GhBmG,OAAK,EAAE,eAAUjJ,IAAV,EAAgB8C,MAAhB,EAAwB;AAC7B;AACA;AACA,QAAIA,MAAM,GAAG,CAAT,GAAa9C,IAAI,CAAC+C,MAAlB,IAA4B,KAAK8F,eAAL,CAAqB7I,IAArB,EAA2B8C,MAA3B,CAAhC,EAAoE;AAClE;AACA,UAAIoG,YAAY,GAAG,CAAnB,CAFkE,CAGlE;;AACA,UAAIY,MAAM,GAAG,KAAKwC,WAAL,CAAiBtM,IAAjB,EAAuB8C,MAAvB,CAAb;AACA,UAAIqG,WAAW,GAAGD,YAAlB;;AACA,UAAIY,MAAM,IAAIA,MAAM,CAACX,WAArB,EAAkC;AAChCA,mBAAW,GAAGW,MAAM,CAACX,WAArB;AACD;;AAED,UAAIC,SAAS,GAAGtG,MAAM,GAAGqG,WAAzB;;AACA,UAAIC,SAAS,KAAKpJ,IAAI,CAAC+C,MAAnB,IAA8BqG,SAAS,GAAG,CAAZ,GAAgBpJ,IAAI,CAAC+C,MAArB,IAA+B,KAAK8F,eAAL,CAAqB7I,IAArB,EAA2BoJ,SAA3B,CAAjE,EAAyG;AACvG,eAAO,IAAP;AACD;AACF;;AACD,WAAO,KAAP;AACD;AAjIe,CAAlB;AAoIe6C,uDAAf,E;;ACxIA;;;AAIA;;IAEMmB,oB;;;AACJ,qBAAapN,IAAb,EAAmB;AACjB,SAAKA,IAAL,GAAYA,IAAZ,CADiB,CAEjB;;AACA,SAAKqN,cAAL,GAAsBrN,IAAI,CAACS,UAA3B,CAHiB,CAIjB;;AACA,SAAKiD,IAAL,GAAY,CAAZ,CALiB,CAKF;AACf;;AACA,SAAK4J,aAAL,GAAqB,CAArB,CAPiB,CAOO;AACzB,G,CAED;;;;;SACAC,Q,GAAA,oBAAY;AACV,QACEvN,IAAI,GAAG,KAAKA,IADd;AAAA,QAEEqN,cAAc,GAAG,KAAKA,cAFxB;AAAA,QAGEG,QAAQ,GAAGxN,IAAI,CAACS,UAAL,GAAkB4M,cAH/B;AAAA,QAIEI,YAAY,GAAG,IAAIC,UAAJ,CAAe,CAAf,CAJjB;AAAA,QAKEC,cAAc,GAAGC,IAAI,CAACC,GAAL,CAAS,CAAT,EAAYR,cAAZ,CALnB;;AAMA,QAAIM,cAAc,KAAK,CAAvB,EAA0B;AACxB,YAAM,IAAI1K,KAAJ,CAAU,oBAAV,CAAN;AACD;;AAEDwK,gBAAY,CAACK,GAAb,CAAiB9N,IAAI,CAACiK,QAAL,CAAcuD,QAAd,EAAwBA,QAAQ,GAAGG,cAAnC,CAAjB;AACA,SAAKjK,IAAL,GAAY,IAAI/C,QAAJ,CAAa8M,YAAY,CAAClN,MAA1B,EAAkCoB,SAAlC,CAA4C,CAA5C,CAAZ,CAZU,CAaV;;AACA,SAAK2L,aAAL,GAAqBK,cAAc,GAAG,CAAtC;AACA,SAAKN,cAAL,IAAuBM,cAAvB;AACD,G,CAED;;;SACAI,Q,GAAA,kBAAUC,KAAV,EAAiB;AACf,QAAIC,SAAJ,CADe,CACA;;AACf,QAAI,KAAKX,aAAL,GAAqBU,KAAzB,EAAgC;AAC9B,WAAKtK,IAAL,KAAcsK,KAAd;AACA,WAAKV,aAAL,IAAsBU,KAAtB;AACD,KAHD,MAGO;AACLA,WAAK,IAAI,KAAKV,aAAd;AACAW,eAAS,GAAGD,KAAK,IAAI,CAArB;AACAA,WAAK,IAAKC,SAAS,IAAI,CAAvB;AACA,WAAKZ,cAAL,IAAuBY,SAAvB;AACA,WAAKV,QAAL;AACA,WAAK7J,IAAL,KAAcsK,KAAd;AACA,WAAKV,aAAL,IAAsBU,KAAtB;AACD;AACF,G,CAED;;;SACAE,Q,GAAA,kBAAUC,IAAV,EAAgB;AACd,QACEC,IAAI,GAAGR,IAAI,CAACC,GAAL,CAAS,KAAKP,aAAd,EAA6Ba,IAA7B,CADT;AAAA,QAC6C;AAC3CE,QAAI,GAAG,KAAK3K,IAAL,KAAe,KAAK0K,IAF7B,CADc,CAGsB;;AACpC,QAAID,IAAI,GAAG,EAAX,EAAe;AACb/H,sBAAM,CAACU,KAAP,CAAa,yCAAb;AACD;;AAED,SAAKwG,aAAL,IAAsBc,IAAtB;;AACA,QAAI,KAAKd,aAAL,GAAqB,CAAzB,EAA4B;AAC1B,WAAK5J,IAAL,KAAc0K,IAAd;AACD,KAFD,MAEO,IAAI,KAAKf,cAAL,GAAsB,CAA1B,EAA6B;AAClC,WAAKE,QAAL;AACD;;AAEDa,QAAI,GAAGD,IAAI,GAAGC,IAAd;;AACA,QAAIA,IAAI,GAAG,CAAP,IAAY,KAAKd,aAArB,EAAoC;AAClC,aAAOe,IAAI,IAAID,IAAR,GAAe,KAAKF,QAAL,CAAcE,IAAd,CAAtB;AACD,KAFD,MAEO;AACL,aAAOC,IAAP;AACD;AACF,G,CAED;;;SACAC,M,GAAA,kBAAU;AACR,QAAIC,gBAAJ,CADQ,CACc;;AACtB,SAAKA,gBAAgB,GAAG,CAAxB,EAA2BA,gBAAgB,GAAG,KAAKjB,aAAnD,EAAkE,EAAEiB,gBAApE,EAAsF;AACpF,UAAI,CAAC,KAAK7K,IAAL,GAAa,eAAe6K,gBAA7B,MAAoD,CAAxD,EAA2D;AACzD;AACA,aAAK7K,IAAL,KAAc6K,gBAAd;AACA,aAAKjB,aAAL,IAAsBiB,gBAAtB;AACA,eAAOA,gBAAP;AACD;AACF,KATO,CAUR;;;AACA,SAAKhB,QAAL;AACA,WAAOgB,gBAAgB,GAAG,KAAKD,MAAL,EAA1B;AACD,G,CAED;;;SACAE,O,GAAA,mBAAW;AACT,SAAKT,QAAL,CAAc,IAAI,KAAKO,MAAL,EAAlB;AACD,G,CAED;;;SACAG,M,GAAA,kBAAU;AACR,SAAKV,QAAL,CAAc,IAAI,KAAKO,MAAL,EAAlB;AACD,G,CAED;;;SACAI,O,GAAA,mBAAW;AACT,QAAIC,GAAG,GAAG,KAAKL,MAAL,EAAV,CADS,CACgB;;AACzB,WAAO,KAAKJ,QAAL,CAAcS,GAAG,GAAG,CAApB,IAAyB,CAAhC;AACD,G,CAED;;;SACAC,M,GAAA,kBAAU;AACR,QAAIP,IAAI,GAAG,KAAKK,OAAL,EAAX,CADQ,CACmB;;AAC3B,QAAI,OAAOL,IAAX,EAAiB;AACf;AACA,aAAQ,IAAIA,IAAL,KAAe,CAAtB,CAFe,CAEU;AAC1B,KAHD,MAGO;AACL,aAAO,CAAC,CAAD,IAAMA,IAAI,KAAK,CAAf,CAAP,CADK,CACqB;AAC3B;AACF,G,CAED;AACA;;;SACAQ,W,GAAA,uBAAe;AACb,WAAO,KAAKX,QAAL,CAAc,CAAd,MAAqB,CAA5B;AACD,G,CAED;;;SACAY,S,GAAA,qBAAa;AACX,WAAO,KAAKZ,QAAL,CAAc,CAAd,CAAP;AACD,G,CAED;;;SACAa,U,GAAA,sBAAc;AACZ,WAAO,KAAKb,QAAL,CAAc,EAAd,CAAP;AACD,G,CACD;;;SACAc,Q,GAAA,oBAAY;AACV,WAAO,KAAKd,QAAL,CAAc,EAAd,CAAP;AACD;AAED;;;;;;;;;SAOAe,e,GAAA,yBAAiBjB,KAAjB,EAAwB;AACtB,QACEkB,SAAS,GAAG,CADd;AAAA,QAEEC,SAAS,GAAG,CAFd;AAAA,QAGEC,CAHF;AAAA,QAIEC,UAJF;;AAKA,SAAKD,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGpB,KAAhB,EAAuBoB,CAAC,EAAxB,EAA4B;AAC1B,UAAID,SAAS,KAAK,CAAlB,EAAqB;AACnBE,kBAAU,GAAG,KAAKT,MAAL,EAAb;AACAO,iBAAS,GAAG,CAACD,SAAS,GAAGG,UAAZ,GAAyB,GAA1B,IAAiC,GAA7C;AACD;;AACDH,eAAS,GAAIC,SAAS,KAAK,CAAf,GAAoBD,SAApB,GAAgCC,SAA5C;AACD;AACF;AAED;;;;;;;;;;;SASAG,O,GAAA,mBAAW;AACT,QACEC,mBAAmB,GAAG,CADxB;AAAA,QAEEC,oBAAoB,GAAG,CAFzB;AAAA,QAGEC,kBAAkB,GAAG,CAHvB;AAAA,QAIEC,qBAAqB,GAAG,CAJ1B;AAAA,QAKEC,UALF;AAAA,QAKcC,aALd;AAAA,QAK6BC,QAL7B;AAAA,QAMEC,8BANF;AAAA,QAMkCC,mBANlC;AAAA,QAOEC,yBAPF;AAAA,QAQEC,gBARF;AAAA,QASEC,gBATF;AAAA,QAUExO,CAVF;AAAA,QAWEoN,SAAS,GAAG,KAAKA,SAAL,CAAeqB,IAAf,CAAoB,IAApB,CAXd;AAAA,QAYEjC,QAAQ,GAAG,KAAKA,QAAL,CAAciC,IAAd,CAAmB,IAAnB,CAZb;AAAA,QAaEzB,OAAO,GAAG,KAAKA,OAAL,CAAayB,IAAb,CAAkB,IAAlB,CAbZ;AAAA,QAcEtB,WAAW,GAAG,KAAKA,WAAL,CAAiBsB,IAAjB,CAAsB,IAAtB,CAdhB;AAAA,QAeEpC,QAAQ,GAAG,KAAKA,QAAL,CAAcoC,IAAd,CAAmB,IAAnB,CAfb;AAAA,QAgBE1B,MAAM,GAAG,KAAKA,MAAL,CAAY0B,IAAZ,CAAiB,IAAjB,CAhBX;AAAA,QAiBE3B,OAAO,GAAG,KAAKA,OAAL,CAAa2B,IAAb,CAAkB,IAAlB,CAjBZ;AAAA,QAkBElB,eAAe,GAAG,KAAKA,eAAL,CAAqBkB,IAArB,CAA0B,IAA1B,CAlBpB;AAoBArB,aAAS;AACTa,cAAU,GAAGb,SAAS,EAAtB,CAtBS,CAsBiB;;AAC1Bc,iBAAa,GAAG1B,QAAQ,CAAC,CAAD,CAAxB,CAvBS,CAuBoB;;AAC7BH,YAAQ,CAAC,CAAD,CAAR,CAxBS,CAwBI;;AACb8B,YAAQ,GAAGf,SAAS,EAApB,CAzBS,CAyBe;;AACxBN,WAAO,GA1BE,CA0BE;AACX;;AACA,QAAImB,UAAU,KAAK,GAAf,IACAA,UAAU,KAAK,GADf,IAEAA,UAAU,KAAK,GAFf,IAGAA,UAAU,KAAK,GAHf,IAIAA,UAAU,KAAK,EAJf,IAKAA,UAAU,KAAK,EALf,IAMAA,UAAU,KAAK,EANf,IAOAA,UAAU,KAAK,GAPf,IAQAA,UAAU,KAAK,GARnB,EAQwB;AACtB,UAAIS,eAAe,GAAG1B,OAAO,EAA7B;;AACA,UAAI0B,eAAe,KAAK,CAAxB,EAA2B;AACzBrC,gBAAQ,CAAC,CAAD,CAAR;AACD,OAJqB,CAIpB;;;AAEFS,aAAO,GANe,CAMX;;AACXA,aAAO,GAPe,CAOX;;AACXT,cAAQ,CAAC,CAAD,CAAR,CARsB,CAQT;;AACb,UAAIc,WAAW,EAAf,EAAmB;AAAE;AACnBqB,wBAAgB,GAAIE,eAAe,KAAK,CAArB,GAA0B,CAA1B,GAA8B,EAAjD;;AACA,aAAK1O,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGwO,gBAAhB,EAAkCxO,CAAC,EAAnC,EAAuC;AACrC,cAAImN,WAAW,EAAf,EAAmB;AAAE;AACnB,gBAAInN,CAAC,GAAG,CAAR,EAAW;AACTuN,6BAAe,CAAC,EAAD,CAAf;AACD,aAFD,MAEO;AACLA,6BAAe,CAAC,EAAD,CAAf;AACD;AACF;AACF;AACF;AACF;;AACDT,WAAO,GA1DE,CA0DE;;AACX,QAAI6B,eAAe,GAAG3B,OAAO,EAA7B;;AACA,QAAI2B,eAAe,KAAK,CAAxB,EAA2B;AACzB3B,aAAO,GADkB,CACd;AACZ,KAFD,MAEO,IAAI2B,eAAe,KAAK,CAAxB,EAA2B;AAChCtC,cAAQ,CAAC,CAAD,CAAR,CADgC,CACnB;;AACbU,YAAM,GAF0B,CAEtB;;AACVA,YAAM,GAH0B,CAGtB;;AACVqB,oCAA8B,GAAGpB,OAAO,EAAxC;;AACA,WAAKhN,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGoO,8BAAhB,EAAgDpO,CAAC,EAAjD,EAAqD;AACnD+M,cAAM;AACP,OAP+B,CAO9B;;AACH;;AACDD,WAAO,GAvEE,CAuEE;;AACXT,YAAQ,CAAC,CAAD,CAAR,CAxES,CAwEI;;AACbgC,uBAAmB,GAAGrB,OAAO,EAA7B;AACAsB,6BAAyB,GAAGtB,OAAO,EAAnC;AACAuB,oBAAgB,GAAG/B,QAAQ,CAAC,CAAD,CAA3B;;AACA,QAAI+B,gBAAgB,KAAK,CAAzB,EAA4B;AAC1BlC,cAAQ,CAAC,CAAD,CAAR;AACD,KA9EQ,CA8EP;;;AAEFA,YAAQ,CAAC,CAAD,CAAR,CAhFS,CAgFI;;AACb,QAAIc,WAAW,EAAf,EAAmB;AAAE;AACnBU,yBAAmB,GAAGb,OAAO,EAA7B;AACAc,0BAAoB,GAAGd,OAAO,EAA9B;AACAe,wBAAkB,GAAGf,OAAO,EAA5B;AACAgB,2BAAqB,GAAGhB,OAAO,EAA/B;AACD;;AACD,QAAI4B,UAAU,GAAG,CAAC,CAAD,EAAI,CAAJ,CAAjB;;AACA,QAAIzB,WAAW,EAAf,EAAmB;AACjB;AACA,UAAIA,WAAW,EAAf,EAAmB;AACjB;AACA,YAAM0B,cAAc,GAAGzB,SAAS,EAAhC;;AACA,gBAAQyB,cAAR;AACA,eAAK,CAAL;AAAQD,sBAAU,GAAG,CAAC,CAAD,EAAI,CAAJ,CAAb;AAAqB;;AAC7B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAChC,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAChC,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAChC,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,GAAD,EAAM,EAAN,CAAb;AAAwB;;AACjC,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,CAAD,EAAI,CAAJ,CAAb;AAAqB;;AAC9B,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,CAAD,EAAI,CAAJ,CAAb;AAAqB;;AAC9B,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,CAAD,EAAI,CAAJ,CAAb;AAAqB;;AAC9B,eAAK,GAAL;AAAU;AACRA,wBAAU,GAAG,CAACxB,SAAS,MAAM,CAAf,GAAmBA,SAAS,EAA7B,EAAiCA,SAAS,MAAM,CAAf,GAAmBA,SAAS,EAA7D,CAAb;AACA;AACD;AApBD;AAsBD;AACF;;AACD,WAAO;AACL0B,WAAK,EAAE5C,IAAI,CAAC6C,IAAL,CAAY,CAACV,mBAAmB,GAAG,CAAvB,IAA4B,EAA7B,GAAmCR,mBAAmB,GAAG,CAAzD,GAA6DC,oBAAoB,GAAG,CAA/F,CADF;AAELkB,YAAM,EAAG,CAAC,IAAIT,gBAAL,KAA0BD,yBAAyB,GAAG,CAAtD,IAA2D,EAA5D,GAAmE,CAACC,gBAAgB,GAAG,CAAH,GAAO,CAAxB,KAA8BR,kBAAkB,GAAGC,qBAAnD,CAFtE;AAGLY,gBAAU,EAAEA;AAHP,KAAP;AAKD,G;;SAEDK,a,GAAA,yBAAiB;AACf;AACA,SAAK7B,SAAL,GAFe,CAGf;;AACA,SAAKJ,OAAL,GAJe,CAKf;;AACA,WAAO,KAAKA,OAAL,EAAP;AACD,G;;;;;AAGYtB,mEAAf,E;;ACjTA;;;AAIA;;IAEMwD,6B;;;AACJ,8BAAanL,QAAb,EAAuBC,MAAvB,EAA+BmL,WAA/B,EAA4CC,UAA5C,EAAwD;AACtD,SAAKD,WAAL,GAAmBA,WAAnB;AACA,SAAKC,UAAL,GAAkBA,UAAlB;AACA,SAAKC,SAAL,GAAiB,IAAIvL,0BAAJ,CAAcC,QAAd,EAAwBC,MAAxB,EAAgC;AAAE9B,wBAAkB,EAAE;AAAtB,KAAhC,CAAjB;AACD;;;;SAEDoN,a,GAAA,uBAAeC,aAAf,EAA8B9K,QAA9B,EAAwC;AACtC,SAAK4K,SAAL,CAAehR,OAAf,CAAuBkR,aAAvB,EAAsC,KAAKJ,WAAL,CAAiB5Q,GAAjB,CAAqBM,MAA3D,EAAmE,KAAKsQ,WAAL,CAAiBhR,EAAjB,CAAoBU,MAAvF,EAA+F4F,QAA/F;AACD,G,CAED;;;SACA+K,gB,GAAA,0BAAkB/G,OAAlB,EAA2BgH,WAA3B,EAAwChL,QAAxC,EAAkDiL,IAAlD,EAAwD;AACtD,QAAIC,OAAO,GAAGlH,OAAO,CAACgH,WAAD,CAAP,CAAqBnH,IAAnC;AACA,QAAIiH,aAAa,GAAGI,OAAO,CAACpH,QAAR,CAAiB,EAAjB,EAAqBoH,OAAO,CAACtO,MAAR,GAAiBsO,OAAO,CAACtO,MAAR,GAAiB,EAAvD,CAApB;AACA,QAAIuO,eAAe,GAAGL,aAAa,CAAC1Q,MAAd,CAAqBM,KAArB,CACpBoQ,aAAa,CAACM,UADM,EAEpBN,aAAa,CAACM,UAAd,GAA2BN,aAAa,CAAClO,MAFrB,CAAtB;AAIA,QAAIyO,SAAS,GAAG,IAAhB;AACA,SAAKR,aAAL,CAAmBM,eAAnB,EAAoC,UAAUG,aAAV,EAAyB;AAC3DA,mBAAa,GAAG,IAAI/D,UAAJ,CAAe+D,aAAf,CAAhB;AACAJ,aAAO,CAACvD,GAAR,CAAY2D,aAAZ,EAA2B,EAA3B;;AAEA,UAAI,CAACL,IAAL,EAAW;AACTI,iBAAS,CAACE,iBAAV,CAA4BvH,OAA5B,EAAqCgH,WAAW,GAAG,CAAnD,EAAsDhL,QAAtD;AACD;AACF,KAPD;AAQD,G;;SAEDuL,iB,GAAA,2BAAmBvH,OAAnB,EAA4BgH,WAA5B,EAAyChL,QAAzC,EAAmD;AACjD,YAAQgL,WAAW,EAAnB,EAAuB;AACrB,UAAIA,WAAW,IAAIhH,OAAO,CAACpH,MAA3B,EAAmC;AACjCoD,gBAAQ;AACR;AACD;;AAED,UAAIgE,OAAO,CAACgH,WAAD,CAAP,CAAqBnH,IAArB,CAA0BjH,MAA1B,GAAmC,EAAvC,EAA2C;AACzC;AACD;;AAED,UAAIqO,IAAI,GAAG,KAAKL,SAAL,CAAe9K,MAAf,EAAX;AAEA,WAAKiL,gBAAL,CAAsB/G,OAAtB,EAA+BgH,WAA/B,EAA4ChL,QAA5C,EAAsDiL,IAAtD;;AAEA,UAAI,CAACA,IAAL,EAAW;AACT;AACD;AACF;AACF,G,CAED;;;SACAO,mB,GAAA,6BAAqBC,WAArB,EAAkC;AAChC,QAAIC,gBAAgB,GAAGjE,IAAI,CAACkE,KAAL,CAAW,CAACF,WAAW,CAAC7O,MAAZ,GAAqB,EAAtB,IAA4B,GAAvC,IAA8C,EAA9C,GAAmD,EAA1E;AACA,QAAIkO,aAAa,GAAG,IAAIc,SAAJ,CAAcF,gBAAd,CAApB;AACA,QAAIG,SAAS,GAAG,CAAhB;;AACA,SAAK,IAAIC,QAAQ,GAAG,EAApB,EAAwBA,QAAQ,IAAIL,WAAW,CAAC7O,MAAZ,GAAqB,EAAzD,EAA6DkP,QAAQ,IAAI,GAAZ,EAAiBD,SAAS,IAAI,EAA3F,EAA+F;AAC7Ff,mBAAa,CAACnD,GAAd,CAAkB8D,WAAW,CAAC3H,QAAZ,CAAqBgI,QAArB,EAA+BA,QAAQ,GAAG,EAA1C,CAAlB,EAAiED,SAAjE;AACD;;AAED,WAAOf,aAAP;AACD,G;;SAEDiB,mB,GAAA,6BAAqBN,WAArB,EAAkCH,aAAlC,EAAiD;AAC/CA,iBAAa,GAAG,IAAI/D,UAAJ,CAAe+D,aAAf,CAAhB;AACA,QAAIQ,QAAQ,GAAG,CAAf;;AACA,SAAK,IAAID,SAAS,GAAG,EAArB,EAAyBA,SAAS,IAAIJ,WAAW,CAAC7O,MAAZ,GAAqB,EAA3D,EAA+DiP,SAAS,IAAI,GAAb,EAAkBC,QAAQ,IAAI,EAA7F,EAAiG;AAC/FL,iBAAW,CAAC9D,GAAZ,CAAgB2D,aAAa,CAACxH,QAAd,CAAuBgI,QAAvB,EAAiCA,QAAQ,GAAG,EAA5C,CAAhB,EAAiED,SAAjE;AACD;;AAED,WAAOJ,WAAP;AACD,G;;SAEDO,gB,GAAA,0BAAkBhI,OAAlB,EAA2BgH,WAA3B,EAAwCiB,SAAxC,EAAmDjM,QAAnD,EAA6DkL,OAA7D,EAAsED,IAAtE,EAA4E;AAC1E,QAAIQ,WAAW,GAAG,KAAKd,UAAL,CAAgBO,OAAO,CAACrR,IAAxB,CAAlB;AACA,QAAIiR,aAAa,GAAG,KAAKU,mBAAL,CAAyBC,WAAzB,CAApB;AACA,QAAIJ,SAAS,GAAG,IAAhB;AAEA,SAAKR,aAAL,CAAmBC,aAAa,CAAC1Q,MAAjC,EAAyC,UAAUkR,aAAV,EAAyB;AAChEJ,aAAO,CAACrR,IAAR,GAAewR,SAAS,CAACU,mBAAV,CAA8BN,WAA9B,EAA2CH,aAA3C,CAAf;;AAEA,UAAI,CAACL,IAAL,EAAW;AACTI,iBAAS,CAACa,iBAAV,CAA4BlI,OAA5B,EAAqCgH,WAArC,EAAkDiB,SAAS,GAAG,CAA9D,EAAiEjM,QAAjE;AACD;AACF,KAND;AAOD,G;;SAEDkM,iB,GAAA,2BAAmBlI,OAAnB,EAA4BgH,WAA5B,EAAyCiB,SAAzC,EAAoDjM,QAApD,EAA8D;AAC5D,YAAQgL,WAAW,IAAIiB,SAAS,GAAG,CAAnC,EAAsC;AACpC,UAAIjB,WAAW,IAAIhH,OAAO,CAACpH,MAA3B,EAAmC;AACjCoD,gBAAQ;AACR;AACD;;AAED,UAAImM,QAAQ,GAAGnI,OAAO,CAACgH,WAAD,CAAP,CAAqBoB,KAApC;;AACA,cAAQH,SAAS,EAAjB,EAAqB;AACnB,YAAIA,SAAS,IAAIE,QAAQ,CAACvP,MAA1B,EAAkC;AAChC;AACD;;AAED,YAAIsO,OAAO,GAAGiB,QAAQ,CAACF,SAAD,CAAtB;;AACA,YAAIf,OAAO,CAACtO,MAAR,IAAkB,EAAlB,IAAyBsO,OAAO,CAAClK,IAAR,KAAiB,CAAjB,IAAsBkK,OAAO,CAAClK,IAAR,KAAiB,CAApE,EAAwE;AACtE;AACD;;AAED,YAAIiK,IAAI,GAAG,KAAKL,SAAL,CAAe9K,MAAf,EAAX;AAEA,aAAKkM,gBAAL,CAAsBhI,OAAtB,EAA+BgH,WAA/B,EAA4CiB,SAA5C,EAAuDjM,QAAvD,EAAiEkL,OAAjE,EAA0ED,IAA1E;;AAEA,YAAI,CAACA,IAAL,EAAW;AACT;AACD;AACF;AACF;AACF,G;;;;;AAGYR,4EAAf,E;;AC3HA;;;;;;;;;;AAWA;AACA;AACA;AACA;CAEA;;AACA;AACA;CAGA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AACA,IAAM4B,oBAAoB,GAAG;AAC3BC,OAAK,EAAE,CADoB;AAE3BC,OAAK,EAAE,CAFoB;AAG3BC,KAAG,EAAE,CAHsB;AAI3BC,MAAI,EAAE;AAJqB,CAA7B;;IAOMC,mB;;;AACJ,qBAAapN,QAAb,EAAuB8E,OAAvB,EAAgC7E,MAAhC,EAAwCoN,aAAxC,EAAuD;AACrD,SAAKrN,QAAL,GAAgBA,QAAhB;AACA,SAAKC,MAAL,GAAcA,MAAd;AACA,SAAKoN,aAAL,GAAqBA,aAArB;AACA,SAAKvI,OAAL,GAAeA,OAAf;AACA,SAAKwI,SAAL,GAAiB,IAAjB;AACD;;;;SAEDC,c,GAAA,wBAAgBnC,WAAhB,EAA6B;AAC3B,QAAKA,WAAW,IAAI,IAAhB,IAA0BA,WAAW,CAAC5Q,GAAZ,IAAmB,IAA7C,IAAuD4Q,WAAW,CAACoC,MAAZ,KAAuB,YAAlF,EAAiG;AAC/F,WAAKF,SAAL,GAAiB,IAAInC,UAAJ,CAAuB,KAAKnL,QAA5B,EAAsC,KAAKC,MAA3C,EAAmDmL,WAAnD,EAAgE,KAAKC,UAArE,CAAjB;AACD,KAFD,MAEO;AACL,WAAKiC,SAAL,GAAiB,IAAjB;AACD;AACF,G;;YAEM9J,K,GAAP,eAAcjJ,IAAd,EAAoB;AAClB,QAAMkT,UAAU,GAAGL,SAAS,CAACM,WAAV,CAAsBnT,IAAtB,CAAnB;;AACA,QAAIkT,UAAU,GAAG,CAAjB,EAAoB;AAClB,aAAO,KAAP;AACD,KAFD,MAEO;AACL,UAAIA,UAAJ,EAAgB;AACd9M,wBAAM,CAACgN,IAAP,2DAAoEF,UAApE;AACD;;AAED,aAAO,IAAP;AACD;AACF,G;;YAEMC,W,GAAP,qBAAoBnT,IAApB,EAA0B;AACxB;AACA,QAAMqT,UAAU,GAAGzF,IAAI,CAACC,GAAL,CAAS,IAAT,EAAe7N,IAAI,CAAC+C,MAAL,GAAc,IAAI,GAAjC,CAAnB;AACA,QAAIrB,CAAC,GAAG,CAAR;;AACA,WAAOA,CAAC,GAAG2R,UAAX,EAAuB;AACrB;AACA,UAAIrT,IAAI,CAAC0B,CAAD,CAAJ,KAAY,IAAZ,IAAoB1B,IAAI,CAAC0B,CAAC,GAAG,GAAL,CAAJ,KAAkB,IAAtC,IAA8C1B,IAAI,CAAC0B,CAAC,GAAG,IAAI,GAAT,CAAJ,KAAsB,IAAxE,EAA8E;AAC5E,eAAOA,CAAP;AACD,OAFD,MAEO;AACLA,SAAC;AACF;AACF;;AACD,WAAO,CAAC,CAAR;AACD;AAED;;;;;;;;;YAOO4R,W,GAAP,qBAAoBnM,IAApB,EAA0BwD,QAA1B,EAAoC;AAClC,WAAO;AACLE,eAAS,EAAE1D,IAAI,KAAK,OAAT,IAAoBA,IAAI,KAAK,OAA7B,GAAuC,YAAvC,GAAsD9B,SAD5D;AAEL8B,UAAI,EAAJA,IAFK;AAGL2D,QAAE,EAAE0H,oBAAoB,CAACrL,IAAD,CAHnB;AAILoM,SAAG,EAAE,CAAC,CAJD;AAKLrI,oBAAc,EAAE,KALX;AAMLH,oBAAc,EAAE,CANX;AAOLZ,aAAO,EAAE,EAPJ;AAQLqJ,aAAO,EAAErM,IAAI,KAAK,OAAT,GAAmB,CAAnB,GAAuB9B,SAR3B;AASL2F,WAAK,EAAE7D,IAAI,KAAK,OAAT,GAAmB,IAAnB,GAA0B9B,SAT5B;AAULsF,cAAQ,EAAExD,IAAI,KAAK,OAAT,GAAmBwD,QAAnB,GAA8BtF;AAVnC,KAAP;AAYD;AAED;;;;;;;;;;;;SAUAmF,gB,GAAA,0BAAkBC,WAAlB,EAA+B7C,UAA/B,EAA2C8C,UAA3C,EAAuDC,QAAvD,EAAiE;AAC/D,SAAK8I,SAAL,GAAiB,KAAjB;AACA,SAAKC,MAAL,GAAc,CAAC,CAAf;AAEA,SAAKC,SAAL,GAAiBd,SAAS,CAACS,WAAV,CAAsB,OAAtB,EAA+B3I,QAA/B,CAAjB;AACA,SAAKC,WAAL,GAAmBiI,SAAS,CAACS,WAAV,CAAsB,OAAtB,EAA+B3I,QAA/B,CAAnB;AACA,SAAKiJ,SAAL,GAAiBf,SAAS,CAACS,WAAV,CAAsB,KAAtB,EAA6B3I,QAA7B,CAAjB;AACA,SAAKkJ,SAAL,GAAiBhB,SAAS,CAACS,WAAV,CAAsB,MAAtB,EAA8B3I,QAA9B,CAAjB,CAP+D,CAS/D;;AACA,SAAKmJ,WAAL,GAAmB,IAAnB;AACA,SAAKC,UAAL,GAAkB,IAAlB;AACA,SAAKC,SAAL,GAAiB,IAAjB;AACA,SAAKpM,UAAL,GAAkBA,UAAlB;AACA,SAAK8C,UAAL,GAAkBA,UAAlB;AACA,SAAKuJ,SAAL,GAAiBtJ,QAAjB;AACD;AAED;;;;;;SAIAQ,c,GAAA,0BAAkB,CAAE,C,CAEpB;;;SACAK,M,GAAA,gBAAQxL,IAAR,EAAcyL,UAAd,EAA0BC,UAA1B,EAAsCC,kBAAtC,EAA0D;AACxD,QAAIuI,KAAJ;AAAA,QAAWjJ,GAAG,GAAGjL,IAAI,CAAC+C,MAAtB;AAAA,QAA8BoR,GAA9B;AAAA,QAAmCZ,GAAnC;AAAA,QAAwCa,GAAxC;AAAA,QAA6CtR,MAA7C;AAAA,QAAqDuR,GAArD;AAAA,QACEC,WAAW,GAAG,KADhB;AAEA,SAAK5I,UAAL,GAAkBA,UAAlB;;AACA,QAAI+H,SAAS,GAAG,KAAKA,SAArB;AAAA,QACEc,QAAQ,GAAG,KAAKZ,SADlB;AAAA,QAEEa,UAAU,GAAG,KAAK5J,WAFpB;AAAA,QAGE6J,QAAQ,GAAG,KAAKb,SAHlB;AAAA,QAIEc,KAAK,GAAGH,QAAQ,CAAChB,GAJnB;AAAA,QAKEoB,OAAO,GAAGH,UAAU,CAACjB,GALvB;AAAA,QAMEqB,KAAK,GAAGH,QAAQ,CAAClB,GANnB;AAAA,QAOEsB,KAAK,GAAG,KAAKnB,MAPf;AAAA,QAQEoB,OAAO,GAAGP,QAAQ,CAACQ,OARrB;AAAA,QASEC,SAAS,GAAGR,UAAU,CAACO,OATzB;AAAA,QAUE3J,OAAO,GAAGqJ,QAAQ,CAACM,OAVrB;AAAA,QAWEE,QAAQ,GAAG,KAAKC,SAXlB;AAAA,QAYEC,QAAQ,GAAG,KAAKC,SAZlB;AAAA,QAaEC,QAAQ,GAAG,KAAKC,SAblB;AAAA,QAcEC,WAAW,GAAG,KAAKC,YAAL,CAAkBrF,IAAlB,CAAuB,IAAvB,CAdhB;AAAA,QAeEsF,WAAW,GAAG,KAAKC,YAAL,CAAkBvF,IAAlB,CAAuB,IAAvB,CAfhB;AAAA,QAgBEwF,YAAY,GAAG,KAAKC,aAAL,CAAmBzF,IAAnB,CAAwB,IAAxB,CAhBjB;AAAA,QAiBE0F,WAAW,GAAG,KAAKC,YAAL,CAAkB3F,IAAlB,CAAuB,IAAvB,CAjBhB;;AAmBA,QAAM+C,UAAU,GAAGL,SAAS,CAACM,WAAV,CAAsBnT,IAAtB,CAAnB,CAvBwD,CAyBxD;;;AACAiL,OAAG,IAAI,CAACA,GAAG,GAAGiI,UAAP,IAAqB,GAA5B,CA1BwD,CA4BxD;;AACA,SAAKgB,KAAK,GAAGhB,UAAb,EAAyBgB,KAAK,GAAGjJ,GAAjC,EAAsCiJ,KAAK,IAAI,GAA/C,EAAoD;AAClD,UAAIlU,IAAI,CAACkU,KAAD,CAAJ,KAAgB,IAApB,EAA0B;AACxBC,WAAG,GAAG,CAAC,EAAEnU,IAAI,CAACkU,KAAK,GAAG,CAAT,CAAJ,GAAkB,IAApB,CAAP,CADwB,CAExB;;AACAX,WAAG,GAAG,CAAC,CAACvT,IAAI,CAACkU,KAAK,GAAG,CAAT,CAAJ,GAAkB,IAAnB,KAA4B,CAA7B,IAAkClU,IAAI,CAACkU,KAAK,GAAG,CAAT,CAA5C;AACAE,WAAG,GAAG,CAACpU,IAAI,CAACkU,KAAK,GAAG,CAAT,CAAJ,GAAkB,IAAnB,KAA4B,CAAlC,CAJwB,CAKxB;;AACA,YAAIE,GAAG,GAAG,CAAV,EAAa;AACXtR,gBAAM,GAAGoR,KAAK,GAAG,CAAR,GAAYlU,IAAI,CAACkU,KAAK,GAAG,CAAT,CAAzB,CADW,CAEX;;AACA,cAAIpR,MAAM,KAAMoR,KAAK,GAAG,GAAxB,EAA8B;AAC5B;AACD;AACF,SAND,MAMO;AACLpR,gBAAM,GAAGoR,KAAK,GAAG,CAAjB;AACD;;AACD,gBAAQX,GAAR;AACA,eAAKmB,KAAL;AACE,gBAAIP,GAAJ,EAAS;AACP,kBAAIW,OAAO,KAAKT,GAAG,GAAGgB,QAAQ,CAACP,OAAD,CAAnB,CAAX,EAA0C;AACxCS,2BAAW,CAAClB,GAAD,EAAM,KAAN,CAAX;AACD;;AAEDS,qBAAO,GAAG;AAAE9U,oBAAI,EAAE,EAAR;AAAYmO,oBAAI,EAAE;AAAlB,eAAV;AACD;;AACD,gBAAI2G,OAAJ,EAAa;AACXA,qBAAO,CAAC9U,IAAR,CAAaoK,IAAb,CAAkBpK,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBoR,KAAK,GAAG,GAA9B,CAAlB;AACAY,qBAAO,CAAC3G,IAAR,IAAgB+F,KAAK,GAAG,GAAR,GAAcpR,MAA9B;AACD;;AACD;;AACF,eAAK6R,OAAL;AACE,gBAAIR,GAAJ,EAAS;AACP,kBAAIa,SAAS,KAAKX,GAAG,GAAGgB,QAAQ,CAACL,SAAD,CAAnB,CAAb,EAA8C;AAC5C,oBAAIR,UAAU,CAACxJ,KAAf,EAAsB;AACpByK,6BAAW,CAACpB,GAAD,CAAX;AACD,iBAFD,MAEO;AACLsB,8BAAY,CAACtB,GAAD,CAAZ;AACD;AACF;;AACDW,uBAAS,GAAG;AAAEhV,oBAAI,EAAE,EAAR;AAAYmO,oBAAI,EAAE;AAAlB,eAAZ;AACD;;AACD,gBAAI6G,SAAJ,EAAe;AACbA,uBAAS,CAAChV,IAAV,CAAeoK,IAAf,CAAoBpK,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBoR,KAAK,GAAG,GAA9B,CAApB;AACAc,uBAAS,CAAC7G,IAAV,IAAkB+F,KAAK,GAAG,GAAR,GAAcpR,MAAhC;AACD;;AACD;;AACF,eAAK8R,KAAL;AACE,gBAAIT,GAAJ,EAAS;AACP,kBAAI/I,OAAO,KAAKiJ,GAAG,GAAGgB,QAAQ,CAACjK,OAAD,CAAnB,CAAX,EAA0C;AACxCyK,2BAAW,CAACxB,GAAD,CAAX;AACD;;AAEDjJ,qBAAO,GAAG;AAAEpL,oBAAI,EAAE,EAAR;AAAYmO,oBAAI,EAAE;AAAlB,eAAV;AACD;;AACD,gBAAI/C,OAAJ,EAAa;AACXA,qBAAO,CAACpL,IAAR,CAAaoK,IAAb,CAAkBpK,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBoR,KAAK,GAAG,GAA9B,CAAlB;AACA9I,qBAAO,CAAC+C,IAAR,IAAgB+F,KAAK,GAAG,GAAR,GAAcpR,MAA9B;AACD;;AACD;;AACF,eAAK,CAAL;AACE,gBAAIqR,GAAJ,EAAS;AACPrR,oBAAM,IAAI9C,IAAI,CAAC8C,MAAD,CAAJ,GAAe,CAAzB;AACD;;AAED+R,iBAAK,GAAG,KAAKnB,MAAL,GAAcuB,QAAQ,CAACjV,IAAD,EAAO8C,MAAP,CAA9B;AACA;;AACF,eAAK+R,KAAL;AACE,gBAAIV,GAAJ,EAAS;AACPrR,oBAAM,IAAI9C,IAAI,CAAC8C,MAAD,CAAJ,GAAe,CAAzB;AACD;;AAED,gBAAIiT,UAAU,GAAGZ,QAAQ,CAACnV,IAAD,EAAO8C,MAAP,EAAe,KAAKgQ,aAAL,CAAmBkD,IAAnB,KAA4B,IAA5B,IAAoC,KAAKlD,aAAL,CAAmBmD,GAAnB,KAA2B,IAA9E,EAAoF,KAAKlD,SAAL,IAAkB,IAAtG,CAAzB,CALF,CAOE;AACA;AACA;AACA;AACA;AACA;;AACA2B,iBAAK,GAAGqB,UAAU,CAACG,GAAnB;;AACA,gBAAIxB,KAAK,GAAG,CAAZ,EAAe;AACbH,sBAAQ,CAAChB,GAAT,GAAemB,KAAf;AACD;;AAEDC,mBAAO,GAAGoB,UAAU,CAACrD,KAArB;;AACA,gBAAIiC,OAAO,GAAG,CAAd,EAAiB;AACfH,wBAAU,CAACjB,GAAX,GAAiBoB,OAAjB;AACAH,wBAAU,CAACxJ,KAAX,GAAmB+K,UAAU,CAAC/K,KAA9B;AACD;;AACD4J,iBAAK,GAAGmB,UAAU,CAACpD,GAAnB;;AACA,gBAAIiC,KAAK,GAAG,CAAZ,EAAe;AACbH,sBAAQ,CAAClB,GAAT,GAAeqB,KAAf;AACD;;AAED,gBAAIN,WAAW,IAAI,CAACb,SAApB,EAA+B;AAC7BrN,8BAAM,CAACC,GAAP,CAAW,wBAAX;AACAiO,yBAAW,GAAG,KAAd,CAF6B,CAG7B;;AACAJ,mBAAK,GAAGhB,UAAU,GAAG,GAArB;AACD;;AACDO,qBAAS,GAAG,KAAKA,SAAL,GAAiB,IAA7B;AACA;;AACF,eAAK,EAAL;AACA,eAAK,MAAL;AACE;;AACF;AACEa,uBAAW,GAAG,IAAd;AACA;AA3FF;AA6FD,OA5GD,MA4GO;AACL,aAAK7O,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACC,KAA5B,EAAmC;AAAEC,cAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,iBAAO,EAAEC,sBAAY,CAACe,kBAAtD;AAA0Eb,eAAK,EAAE,KAAjF;AAAwFC,gBAAM,EAAE;AAAhG,SAAnC;AACD;AACF,KA7IuD,CA8IxD;;;AACA,QAAIoN,OAAO,KAAKT,GAAG,GAAGgB,QAAQ,CAACP,OAAD,CAAnB,CAAX,EAA0C;AACxCS,iBAAW,CAAClB,GAAD,EAAM,IAAN,CAAX;AACAE,cAAQ,CAACQ,OAAT,GAAmB,IAAnB;AACD,KAHD,MAGO;AACL;AACAR,cAAQ,CAACQ,OAAT,GAAmBD,OAAnB;AACD;;AAED,QAAIE,SAAS,KAAKX,GAAG,GAAGgB,QAAQ,CAACL,SAAD,CAAnB,CAAb,EAA8C;AAC5C,UAAIR,UAAU,CAACxJ,KAAf,EAAsB;AACpByK,mBAAW,CAACpB,GAAD,CAAX;AACD,OAFD,MAEO;AACLsB,oBAAY,CAACtB,GAAD,CAAZ;AACD;;AAEDG,gBAAU,CAACO,OAAX,GAAqB,IAArB;AACD,KARD,MAQO;AACL,UAAIC,SAAS,IAAIA,SAAS,CAAC7G,IAA3B,EAAiC;AAC/B/H,wBAAM,CAACC,GAAP,CAAW,+DAAX;AACD,OAHI,CAKL;;;AACAmO,gBAAU,CAACO,OAAX,GAAqBC,SAArB;AACD;;AAED,QAAI5J,OAAO,KAAKiJ,GAAG,GAAGgB,QAAQ,CAACjK,OAAD,CAAnB,CAAX,EAA0C;AACxCyK,iBAAW,CAACxB,GAAD,CAAX;AACAI,cAAQ,CAACM,OAAT,GAAmB,IAAnB;AACD,KAHD,MAGO;AACL;AACAN,cAAQ,CAACM,OAAT,GAAmB3J,OAAnB;AACD;;AAED,QAAI,KAAK2H,SAAL,IAAkB,IAAtB,EAA4B;AAC1B,WAAKxI,OAAL,CAAayB,KAAb,CAAmBwI,UAAnB,EAA+BD,QAA/B,EAAyCE,QAAzC,EAAmD,KAAKZ,SAAxD,EAAmEpI,UAAnE,EAA+EC,UAA/E,EAA2FC,kBAA3F;AACD,KAFD,MAEO;AACL,WAAKwK,eAAL,CAAqB3B,UAArB,EAAiCD,QAAjC,EAA2CE,QAA3C,EAAqD,KAAKZ,SAA1D,EAAqEpI,UAArE,EAAiFC,UAAjF,EAA6FC,kBAA7F;AACD;AACF,G;;SAEDwK,e,GAAA,yBAAiB3B,UAAjB,EAA6B4B,UAA7B,EAAyC3B,QAAzC,EAAmD4B,SAAnD,EAA8D5K,UAA9D,EAA0EC,UAA1E,EAAsFC,kBAAtF,EAA0G;AACxG,QAAI6I,UAAU,CAACrK,OAAX,IAAsBqK,UAAU,CAACxJ,KAArC,EAA4C;AAC1C,UAAIwG,SAAS,GAAG,IAAhB;AACA,WAAKuB,SAAL,CAAerB,iBAAf,CAAiC8C,UAAU,CAACrK,OAA5C,EAAqD,CAArD,EAAwD,YAAY;AAClEqH,iBAAS,CAAC8E,kBAAV,CAA6B9B,UAA7B,EAAyC4B,UAAzC,EAAqD3B,QAArD,EAA+D4B,SAA/D,EAA0E5K,UAA1E,EAAsFC,UAAtF,EAAkGC,kBAAlG;AACD,OAFD;AAGD,KALD,MAKO;AACL,WAAK2K,kBAAL,CAAwB9B,UAAxB,EAAoC4B,UAApC,EAAgD3B,QAAhD,EAA0D4B,SAA1D,EAAqE5K,UAArE,EAAiFC,UAAjF,EAA6FC,kBAA7F;AACD;AACF,G;;SAED2K,kB,GAAA,4BAAoB9B,UAApB,EAAgC4B,UAAhC,EAA4C3B,QAA5C,EAAsD4B,SAAtD,EAAiE5K,UAAjE,EAA6EC,UAA7E,EAAyFC,kBAAzF,EAA6G;AAC3G,QAAIyK,UAAU,CAACjM,OAAf,EAAwB;AACtB,UAAIqH,SAAS,GAAG,IAAhB;AACA,WAAKuB,SAAL,CAAeV,iBAAf,CAAiC+D,UAAU,CAACjM,OAA5C,EAAqD,CAArD,EAAwD,CAAxD,EAA2D,YAAY;AACrEqH,iBAAS,CAACjH,OAAV,CAAkByB,KAAlB,CAAwBwI,UAAxB,EAAoC4B,UAApC,EAAgD3B,QAAhD,EAA0D4B,SAA1D,EAAqE5K,UAArE,EAAiFC,UAAjF,EAA6FC,kBAA7F;AACD,OAFD;AAGD,KALD,MAKO;AACL,WAAKpB,OAAL,CAAayB,KAAb,CAAmBwI,UAAnB,EAA+B4B,UAA/B,EAA2C3B,QAA3C,EAAqD4B,SAArD,EAAgE5K,UAAhE,EAA4EC,UAA5E,EAAwFC,kBAAxF;AACD;AACF,G;;SAEDvG,O,GAAA,mBAAW;AACT,SAAKmR,QAAL,GAAgB,KAAKC,QAAL,GAAgBnR,SAAhC;AACA,SAAK4O,SAAL,GAAiB,CAAjB;AACD,G;;SAEDiB,S,GAAA,mBAAWlV,IAAX,EAAiB8C,MAAjB,EAAyB;AACvB;AACA,WAAO,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,EAAV,CAAJ,GAAoB,IAArB,KAA8B,CAA9B,GAAkC9C,IAAI,CAAC8C,MAAM,GAAG,EAAV,CAA7C,CAFuB,CAGvB;AACD,G;;SAEDsS,S,GAAA,mBAAWpV,IAAX,EAAiB8C,MAAjB,EAAyB2T,aAAzB,EAAwCC,WAAxC,EAAqD;AACnD,QAAIC,aAAJ;AAAA,QAAmBC,QAAnB;AAAA,QAA6BC,iBAA7B;AAAA,QAAgDtD,GAAhD;AAAA,QAAqD1M,MAAM,GAAG;AAAE6L,WAAK,EAAE,CAAC,CAAV;AAAawD,SAAG,EAAE,CAAC,CAAnB;AAAsBvD,SAAG,EAAE,CAAC,CAA5B;AAA+B3H,WAAK,EAAE;AAAtC,KAA9D;AACA2L,iBAAa,GAAG,CAAC3W,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,CAA7B,GAAiC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAArD;AACA8T,YAAQ,GAAG9T,MAAM,GAAG,CAAT,GAAa6T,aAAb,GAA6B,CAAxC,CAHmD,CAInD;AACA;;AACAE,qBAAiB,GAAG,CAAC7W,IAAI,CAAC8C,MAAM,GAAG,EAAV,CAAJ,GAAoB,IAArB,KAA8B,CAA9B,GAAkC9C,IAAI,CAAC8C,MAAM,GAAG,EAAV,CAA1D,CANmD,CAOnD;;AACAA,UAAM,IAAI,KAAK+T,iBAAf;;AACA,WAAO/T,MAAM,GAAG8T,QAAhB,EAA0B;AACxBrD,SAAG,GAAG,CAACvT,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,CAA7B,GAAiC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAA3C;;AACA,cAAQ9C,IAAI,CAAC8C,MAAD,CAAZ;AACA,aAAK,IAAL;AAAW;AACT,cAAI,CAAC4T,WAAL,EAAkB;AAChBtQ,4BAAM,CAACC,GAAP,CAAW,yBAAyBrG,IAAI,CAAC8C,MAAD,CAAxC;AACA;AACD;;AACD;AAEA;;AACF,aAAK,IAAL;AACE;AACA,cAAI+D,MAAM,CAAC6L,KAAP,KAAiB,CAAC,CAAtB,EAAyB;AACvB7L,kBAAM,CAAC6L,KAAP,GAAea,GAAf;AACD;;AAED;AAEA;;AACF,aAAK,IAAL;AACE;AACA,cAAI1M,MAAM,CAAC8L,GAAP,KAAe,CAAC,CAApB,EAAuB;AACrB9L,kBAAM,CAAC8L,GAAP,GAAaY,GAAb;AACD;;AAED;;AAEF,aAAK,IAAL;AAAW;AACT,cAAI,CAACmD,WAAL,EAAkB;AAChBtQ,4BAAM,CAACC,GAAP,CAAW,yBAAyBrG,IAAI,CAAC8C,MAAD,CAAxC;AACA;AACD;;AACD;AAEA;;AACF,aAAK,IAAL;AACE;AACA,cAAI+D,MAAM,CAACqP,GAAP,KAAe,CAAC,CAApB,EAAuB;AACrBrP,kBAAM,CAACqP,GAAP,GAAa3C,GAAb;AACD;;AAED;AAEA;AACA;;AACF,aAAK,IAAL;AACA,aAAK,IAAL;AACE;AACA,cAAI,CAACkD,aAAL,EAAoB;AAClBrQ,4BAAM,CAACC,GAAP,CAAW,yDAAX;AACD,WAFD,MAEO,IAAIQ,MAAM,CAAC6L,KAAP,KAAiB,CAAC,CAAtB,EAAyB;AAC9B7L,kBAAM,CAAC6L,KAAP,GAAea,GAAf;AACA1M,kBAAM,CAACmE,KAAP,GAAe,KAAf;AACD;;AACD;;AAEF,aAAK,IAAL;AACE5E,0BAAM,CAACgN,IAAP,CAAY,+CAAZ;AACA;;AAEF;AACEhN,0BAAM,CAACC,GAAP,CAAW,yBAAyBrG,IAAI,CAAC8C,MAAD,CAAxC;AACA;AA7DF,OAFwB,CAiExB;AACA;;;AACAA,YAAM,IAAI,CAAC,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,CAA7B,GAAiC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAtC,IAAsD,CAAhE;AACD;;AACD,WAAO+D,MAAP;AACD,G;;SAEDyO,S,GAAA,mBAAWwB,MAAX,EAAmB;AACjB,QAAIpV,CAAC,GAAG,CAAR;AAAA,QAAWqV,IAAX;AAAA,QAAiBC,QAAjB;AAAA,QAA2BC,SAA3B;AAAA,QAAsCC,MAAtC;AAAA,QAA8CC,SAA9C;AAAA,QAAyDpC,OAAzD;AAAA,QAAkEqC,MAAlE;AAAA,QAA0EC,MAA1E;AAAA,QAAkFC,kBAAlF;AAAA,QAAsGtX,IAAI,GAAG8W,MAAM,CAAC9W,IAApH,CADiB,CAEjB;;AACA,QAAI,CAAC8W,MAAD,IAAWA,MAAM,CAAC3I,IAAP,KAAgB,CAA/B,EAAkC;AAChC,aAAO,IAAP;AACD,KALgB,CAOjB;AACA;AACA;;;AACA,WAAOnO,IAAI,CAAC,CAAD,CAAJ,CAAQ+C,MAAR,GAAiB,EAAjB,IAAuB/C,IAAI,CAAC+C,MAAL,GAAc,CAA5C,EAA+C;AAC7C,UAAIwU,OAAO,GAAG,IAAI7J,UAAJ,CAAe1N,IAAI,CAAC,CAAD,CAAJ,CAAQ+C,MAAR,GAAiB/C,IAAI,CAAC,CAAD,CAAJ,CAAQ+C,MAAxC,CAAd;AACAwU,aAAO,CAACzJ,GAAR,CAAY9N,IAAI,CAAC,CAAD,CAAhB;AACAuX,aAAO,CAACzJ,GAAR,CAAY9N,IAAI,CAAC,CAAD,CAAhB,EAAqBA,IAAI,CAAC,CAAD,CAAJ,CAAQ+C,MAA7B;AACA/C,UAAI,CAAC,CAAD,CAAJ,GAAUuX,OAAV;AACAvX,UAAI,CAACwX,MAAL,CAAY,CAAZ,EAAe,CAAf;AACD,KAhBgB,CAiBjB;;;AACAT,QAAI,GAAG/W,IAAI,CAAC,CAAD,CAAX;AACAiX,aAAS,GAAG,CAACF,IAAI,CAAC,CAAD,CAAJ,IAAW,EAAZ,KAAmBA,IAAI,CAAC,CAAD,CAAJ,IAAW,CAA9B,IAAmCA,IAAI,CAAC,CAAD,CAAnD;;AACA,QAAIE,SAAS,KAAK,CAAlB,EAAqB;AACnBC,YAAM,GAAG,CAACH,IAAI,CAAC,CAAD,CAAJ,IAAW,CAAZ,IAAiBA,IAAI,CAAC,CAAD,CAA9B,CADmB,CAEnB;AACA;;AACA,UAAIG,MAAM,IAAIA,MAAM,GAAGJ,MAAM,CAAC3I,IAAP,GAAc,CAArC,EAAwC;AACtC,eAAO,IAAP;AACD;;AAED6I,cAAQ,GAAGD,IAAI,CAAC,CAAD,CAAf;;AACA,UAAIC,QAAQ,GAAG,IAAf,EAAqB;AACnB;;;AAGAI,cAAM,GAAG,CAACL,IAAI,CAAC,CAAD,CAAJ,GAAU,IAAX,IAAmB,SAAnB,GAA8B;AACrC,SAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,OADb,GACsB;AAC7B,SAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,KAFb,GAEoB;AAC3B,SAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,GAHb,GAGkB;AACzB,SAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,CAJtB,CAJmB,CASnB;;AACA,YAAIK,MAAM,GAAG,UAAb,EAAyB;AACvB;AACAA,gBAAM,IAAI,UAAV;AACD;;AACD,YAAIJ,QAAQ,GAAG,IAAf,EAAqB;AACnBK,gBAAM,GAAG,CAACN,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,SAApB,GAA+B;AACtC,WAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,OADb,GACsB;AAC7B,WAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,KAFb,GAEoB;AAC3B,WAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,GAHb,GAGkB;AACzB,WAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,CAJtB,CADmB,CAMnB;;AACA,cAAIM,MAAM,GAAG,UAAb,EAAyB;AACvB;AACAA,kBAAM,IAAI,UAAV;AACD;;AACD,cAAID,MAAM,GAAGC,MAAT,GAAkB,KAAK,KAA3B,EAAkC;AAChCjR,4BAAM,CAACgN,IAAP,CAAexF,IAAI,CAAC6J,KAAL,CAAW,CAACL,MAAM,GAAGC,MAAV,IAAoB,KAA/B,CAAf;AACAD,kBAAM,GAAGC,MAAT;AACD;AACF,SAfD,MAeO;AACLA,gBAAM,GAAGD,MAAT;AACD;AACF;;AACDD,eAAS,GAAGJ,IAAI,CAAC,CAAD,CAAhB,CA1CmB,CA2CnB;;AACAO,wBAAkB,GAAGH,SAAS,GAAG,CAAjC;;AAEA,UAAIL,MAAM,CAAC3I,IAAP,IAAemJ,kBAAnB,EAAuC;AACrC,eAAO,IAAP;AACD;;AACDR,YAAM,CAAC3I,IAAP,IAAemJ,kBAAf,CAjDmB,CAkDnB;;AACAvC,aAAO,GAAG,IAAIrH,UAAJ,CAAeoJ,MAAM,CAAC3I,IAAtB,CAAV;;AACA,WAAK,IAAIiB,CAAC,GAAG,CAAR,EAAWsI,OAAO,GAAG1X,IAAI,CAAC+C,MAA/B,EAAuCqM,CAAC,GAAGsI,OAA3C,EAAoDtI,CAAC,EAArD,EAAyD;AACvD2H,YAAI,GAAG/W,IAAI,CAACoP,CAAD,CAAX;AACA,YAAInE,GAAG,GAAG8L,IAAI,CAACtW,UAAf;;AACA,YAAI6W,kBAAJ,EAAwB;AACtB,cAAIA,kBAAkB,GAAGrM,GAAzB,EAA8B;AAC5B;AACAqM,8BAAkB,IAAIrM,GAAtB;AACA;AACD,WAJD,MAIO;AACL;AACA8L,gBAAI,GAAGA,IAAI,CAAC9M,QAAL,CAAcqN,kBAAd,CAAP;AACArM,eAAG,IAAIqM,kBAAP;AACAA,8BAAkB,GAAG,CAArB;AACD;AACF;;AACDvC,eAAO,CAACjH,GAAR,CAAYiJ,IAAZ,EAAkBrV,CAAlB;AACAA,SAAC,IAAIuJ,GAAL;AACD;;AACD,UAAIiM,MAAJ,EAAY;AACV;AACAA,cAAM,IAAIC,SAAS,GAAG,CAAtB;AACD;;AACD,aAAO;AAAEnX,YAAI,EAAE+U,OAAR;AAAiBtL,WAAG,EAAE2N,MAAtB;AAA8BlN,WAAG,EAAEmN,MAAnC;AAA2CpM,WAAG,EAAEiM;AAAhD,OAAP;AACD,KA3ED,MA2EO;AACL,aAAO,IAAP;AACD;AACF,G;;SAEDS,a,GAAA,uBAAe3D,SAAf,EAA0BO,QAA1B,EAAoC;AAClC,QAAIP,SAAS,CAACzB,KAAV,CAAgBxP,MAAhB,IAA0BiR,SAAS,CAACjI,KAAxC,EAA+C;AAC7C,UAAM5B,OAAO,GAAGoK,QAAQ,CAACpK,OAAzB;AACA,UAAMyN,SAAS,GAAGzN,OAAO,CAACpH,MAA1B,CAF6C,CAG7C;;AACA,UAAI8U,KAAK,CAAC7D,SAAS,CAACvK,GAAX,CAAT,EAA0B;AACxB,YAAImO,SAAJ,EAAe;AACb,cAAME,UAAU,GAAG3N,OAAO,CAACyN,SAAS,GAAG,CAAb,CAA1B;AACA5D,mBAAS,CAACvK,GAAV,GAAgBqO,UAAU,CAACrO,GAA3B;AACAuK,mBAAS,CAAC9J,GAAV,GAAgB4N,UAAU,CAAC5N,GAA3B;AACD,SAJD,MAIO;AACL;AACAqK,kBAAQ,CAACf,OAAT;AACA;AACD;AACF,OAd4C,CAe7C;AACA;AACA;AACA;;;AACA,UAAI,CAAC,KAAK9N,MAAL,CAAYqS,4BAAb,IACA/D,SAAS,CAAC/T,GAAV,KAAkB,IADlB,IAECsU,QAAQ,CAACyD,GAAT,KAAiBJ,SAAS,IAAI,KAAKlM,UAAnC,CAFL,EAEsD;AACpDsI,iBAAS,CAAClJ,EAAV,GAAe8M,SAAf;AACAzN,eAAO,CAACC,IAAR,CAAa4J,SAAb;AACD,OALD,MAKO;AACL;AACAO,gBAAQ,CAACf,OAAT;AACD;AACF;;AACD,QAAIQ,SAAS,CAACiE,KAAV,CAAgBlV,MAApB,EAA4B;AAC1BqD,sBAAM,CAACC,GAAP,CAAW2N,SAAS,CAACvK,GAAV,GAAgB,GAAhB,GAAsBuK,SAAS,CAAC9J,GAAhC,GAAsC,GAAtC,GAA4C8J,SAAS,CAACiE,KAAjE;AACD;AACF,G;;SAEDzC,Y,GAAA,sBAAcnB,GAAd,EAAmB6D,IAAnB,EAAyB;AAAA;;AACvB;AACA,QAAI5O,KAAK,GAAG,KAAKqK,SAAjB;AAAA,QACEpB,KAAK,GAAG,KAAK4F,aAAL,CAAmB9D,GAAG,CAACrU,IAAvB,CADV;AAAA,QAEEiY,KAAK,GAAG,KAFV;AAAA,QAGEG,gBAHF;AAAA,QAIEpE,SAAS,GAAG,KAAKA,SAJnB;AAAA,QAKE5J,IALF;AAAA,QAMEiO,QAAQ,GAAG,KANb;AAAA,QAOE3W,CAPF;AAAA,QAQEiW,aAAa,GAAG,KAAKA,aAAL,CAAmBxH,IAAnB,CAAwB,IAAxB,CARlB;AAAA,QASEmI,eAAe,GAAG,SAAlBA,eAAkB,CAAUrY,GAAV,EAAewJ,GAAf,EAAoBS,GAApB,EAAyB+N,KAAzB,EAAgC;AAChD,aAAO;AAAEhY,WAAG,EAAEA,GAAP;AAAYwJ,WAAG,EAAEA,GAAjB;AAAsBS,WAAG,EAAEA,GAA3B;AAAgCqI,aAAK,EAAE,EAAvC;AAA2C0F,aAAK,EAAEA;AAAlD,OAAP;AACD,KAXH,CAFuB,CAcvB;;;AACA5D,OAAG,CAACrU,IAAJ,GAAW,IAAX,CAfuB,CAiBvB;AACA;;AACA,QAAIgU,SAAS,IAAIzB,KAAK,CAACxP,MAAnB,IAA6B,CAACuG,KAAK,CAACiP,QAAxC,EAAkD;AAChDZ,mBAAa,CAAC3D,SAAD,EAAY1K,KAAZ,CAAb;AACA0K,eAAS,GAAG,KAAKA,SAAL,GAAiBsE,eAAe,CAAC,KAAD,EAAQjE,GAAG,CAAC5K,GAAZ,EAAiB4K,GAAG,CAACnK,GAArB,EAA0B,EAA1B,CAA5C;AACD;;AAEDqI,SAAK,CAACiG,OAAN,CAAc,UAAAxO,IAAI,EAAI;AACpB,cAAQA,IAAI,CAAC7C,IAAb;AACA;AACA,aAAK,CAAL;AACEiD,cAAI,GAAG,IAAP;;AACA,cAAI,CAAC4J,SAAL,EAAgB;AACdA,qBAAS,GAAG,KAAI,CAACA,SAAL,GAAiBsE,eAAe,CAAC,IAAD,EAAOjE,GAAG,CAAC5K,GAAX,EAAgB4K,GAAG,CAACnK,GAApB,EAAyB,EAAzB,CAA5C;AACD;;AAED,cAAI+N,KAAJ,EAAW;AACTjE,qBAAS,CAACiE,KAAV,IAAmB,MAAnB;AACD;;AAEDjE,mBAAS,CAACjI,KAAV,GAAkB,IAAlB;AACA,cAAI/L,IAAI,GAAGgK,IAAI,CAAChK,IAAhB,CAXF,CAYE;;AACA,cAAIqY,QAAQ,IAAIrY,IAAI,CAAC+C,MAAL,GAAc,CAA9B,EAAiC;AAC/B;AACA,gBAAI0V,SAAS,GAAG,IAAIrL,UAAJ,CAAcpN,IAAd,EAAoB2Q,aAApB,EAAhB,CAF+B,CAG/B;AACA;AACA;AACA;AACA;;AACA,gBAAI8H,SAAS,KAAK,CAAd,IAAmBA,SAAS,KAAK,CAAjC,IAAsCA,SAAS,KAAK,CAApD,IAAyDA,SAAS,KAAK,CAA3E,EAA8E;AAC5EzE,uBAAS,CAAC/T,GAAV,GAAgB,IAAhB;AACD;AACF;;AACD;AACA;;AACF,aAAK,CAAL;AACEmK,cAAI,GAAG,IAAP,CADF,CAEE;;AACA,cAAI,CAAC4J,SAAL,EAAgB;AACdA,qBAAS,GAAG,KAAI,CAACA,SAAL,GAAiBsE,eAAe,CAAC,IAAD,EAAOjE,GAAG,CAAC5K,GAAX,EAAgB4K,GAAG,CAACnK,GAApB,EAAyB,EAAzB,CAA5C;AACD;;AAED,cAAI+N,KAAJ,EAAW;AACTjE,qBAAS,CAACiE,KAAV,IAAmB,MAAnB;AACD;;AAEDjE,mBAAS,CAAC/T,GAAV,GAAgB,IAAhB;AACA+T,mBAAS,CAACjI,KAAV,GAAkB,IAAlB;AACA;AACA;;AACF,aAAK,CAAL;AACE3B,cAAI,GAAG,IAAP;;AACA,cAAI6N,KAAK,IAAIjE,SAAb,EAAwB;AACtBA,qBAAS,CAACiE,KAAV,IAAmB,MAAnB;AACD;;AAEDG,0BAAgB,GAAG,IAAIhL,UAAJ,CAAc,KAAI,CAAC0D,UAAL,CAAgB9G,IAAI,CAAChK,IAArB,CAAd,CAAnB,CANF,CAQE;;AACAoY,0BAAgB,CAACtJ,SAAjB;AAEA,cAAI4J,WAAW,GAAG,CAAlB;AACA,cAAIC,WAAW,GAAG,CAAlB;AACA,cAAIC,aAAa,GAAG,KAApB;AACA,cAAIC,CAAC,GAAG,CAAR;;AAEA,iBAAO,CAACD,aAAD,IAAkBR,gBAAgB,CAAC/K,cAAjB,GAAkC,CAA3D,EAA8D;AAC5DqL,uBAAW,GAAG,CAAd;;AACA,eAAG;AACDG,eAAC,GAAGT,gBAAgB,CAACtJ,SAAjB,EAAJ;AACA4J,yBAAW,IAAIG,CAAf;AACD,aAHD,QAGSA,CAAC,KAAK,IAHf,EAF4D,CAO5D;;;AACAF,uBAAW,GAAG,CAAd;;AACA,eAAG;AACDE,eAAC,GAAGT,gBAAgB,CAACtJ,SAAjB,EAAJ;AACA6J,yBAAW,IAAIE,CAAf;AACD,aAHD,QAGSA,CAAC,KAAK,IAHf,EAT4D,CAc5D;AACA;;;AACA,gBAAIH,WAAW,KAAK,CAAhB,IAAqBN,gBAAgB,CAAC/K,cAAjB,KAAoC,CAA7D,EAAgE;AAC9DuL,2BAAa,GAAG,IAAhB;AAEA,kBAAIE,WAAW,GAAGV,gBAAgB,CAACtJ,SAAjB,EAAlB;;AAEA,kBAAIgK,WAAW,KAAK,GAApB,EAAyB;AACvB,oBAAIC,YAAY,GAAGX,gBAAgB,CAACrJ,UAAjB,EAAnB;;AAEA,oBAAIgK,YAAY,KAAK,EAArB,EAAyB;AACvB,sBAAIC,aAAa,GAAGZ,gBAAgB,CAACpJ,QAAjB,EAApB;;AAEA,sBAAIgK,aAAa,KAAK,UAAtB,EAAkC;AAChC,wBAAIC,YAAY,GAAGb,gBAAgB,CAACtJ,SAAjB,EAAnB,CADgC,CAGhC;;AACA,wBAAImK,YAAY,KAAK,CAArB,EAAwB;AACtB,0BAAIC,SAAS,GAAGd,gBAAgB,CAACtJ,SAAjB,EAAhB;AACA,0BAAIqK,UAAU,GAAGf,gBAAgB,CAACtJ,SAAjB,EAAjB;AAEA,0BAAIsK,QAAQ,GAAG,KAAKF,SAApB;AACA,0BAAIG,SAAS,GAAG,CAACH,SAAD,EAAYC,UAAZ,CAAhB;;AAEA,2BAAKzX,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG0X,QAAhB,EAA0B1X,CAAC,EAA3B,EAA+B;AAC7B;AACA2X,iCAAS,CAACjP,IAAV,CAAegO,gBAAgB,CAACtJ,SAAjB,EAAf;AACAuK,iCAAS,CAACjP,IAAV,CAAegO,gBAAgB,CAACtJ,SAAjB,EAAf;AACAuK,iCAAS,CAACjP,IAAV,CAAegO,gBAAgB,CAACtJ,SAAjB,EAAf;AACD;;AAED,2BAAI,CAACwK,oBAAL,CAA0B,KAAI,CAACzF,SAAL,CAAe1J,OAAzC,EAAkD;AAAEhD,4BAAI,EAAE,CAAR;AAAWsC,2BAAG,EAAE4K,GAAG,CAAC5K,GAApB;AAAyB8P,6BAAK,EAAEF;AAAhC,uBAAlD;AACD;AACF;AACF;AACF;AACF,aAlCD,MAkCO,IAAIX,WAAW,KAAK,CAAhB,IAAqBN,gBAAgB,CAAC/K,cAAjB,KAAoC,CAA7D,EAAgE;AACrEuL,2BAAa,GAAG,IAAhB;;AAEA,kBAAID,WAAW,GAAG,EAAlB,EAAsB;AACpB,oBAAMa,YAAY,GAAG,EAArB;;AACA,qBAAK9X,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG,EAAhB,EAAoBA,CAAC,EAArB,EAAyB;AACvB8X,8BAAY,CAACpP,IAAb,CAAkBgO,gBAAgB,CAACtJ,SAAjB,GAA6B2K,QAA7B,CAAsC,EAAtC,CAAlB;;AAEA,sBAAI/X,CAAC,KAAK,CAAN,IAAWA,CAAC,KAAK,CAAjB,IAAsBA,CAAC,KAAK,CAA5B,IAAiCA,CAAC,KAAK,CAA3C,EAA8C;AAC5C8X,gCAAY,CAACpP,IAAb,CAAkB,GAAlB;AACD;AACF;;AACD,oBAAMrH,MAAM,GAAG4V,WAAW,GAAG,EAA7B;AACA,oBAAMe,oBAAoB,GAAG,IAAIhM,UAAJ,CAAe3K,MAAf,CAA7B;;AACA,qBAAKrB,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGqB,MAAhB,EAAwBrB,CAAC,EAAzB,EAA6B;AAC3BgY,sCAAoB,CAAChY,CAAD,CAApB,GAA0B0W,gBAAgB,CAACtJ,SAAjB,EAA1B;AACD;;AAED,qBAAI,CAACwK,oBAAL,CAA0B,KAAI,CAACzF,SAAL,CAAe1J,OAAzC,EAAkD;AAChDV,qBAAG,EAAE4K,GAAG,CAAC5K,GADuC;AAEhDiP,6BAAW,EAAEA,WAFmC;AAGhDiB,sBAAI,EAAEH,YAAY,CAACI,IAAb,CAAkB,EAAlB,CAH0C;AAIhDC,+BAAa,EAAEH,oBAJiC;AAKhDI,0BAAQ,EAAEC,6BAAc,CAACL,oBAAoB,CAACnZ,MAAtB;AALwB,iBAAlD;AAOD;AACF,aA1BM,MA0BA,IAAIoY,WAAW,GAAGP,gBAAgB,CAAC/K,cAAnC,EAAmD;AACxD,mBAAK3L,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGiX,WAAhB,EAA6BjX,CAAC,EAA9B,EAAkC;AAChC0W,gCAAgB,CAACtJ,SAAjB;AACD;AACF;AACF;;AACD;AACA;;AACF,aAAK,CAAL;AACE1E,cAAI,GAAG,IAAP;AACAiO,kBAAQ,GAAG,IAAX;;AACA,cAAIJ,KAAK,IAAIjE,SAAb,EAAwB;AACtBA,qBAAS,CAACiE,KAAV,IAAmB,MAAnB;AACD;;AAED,cAAI,CAAC3O,KAAK,CAAC0O,GAAX,EAAgB;AACdI,4BAAgB,GAAG,IAAIhL,UAAJ,CAAcpD,IAAI,CAAChK,IAAnB,CAAnB;AACA,gBAAI0F,MAAM,GAAG0S,gBAAgB,CAAC9I,OAAjB,EAAb;AACAhG,iBAAK,CAACkH,KAAN,GAAc9K,MAAM,CAAC8K,KAArB;AACAlH,iBAAK,CAACoH,MAAN,GAAehL,MAAM,CAACgL,MAAtB;AACApH,iBAAK,CAACgH,UAAN,GAAmB5K,MAAM,CAAC4K,UAA1B;AACAhH,iBAAK,CAAC0O,GAAN,GAAY,CAAChO,IAAI,CAAChK,IAAN,CAAZ;AACAsJ,iBAAK,CAACqB,QAAN,GAAiB,KAAI,CAACsJ,SAAtB;AACA,gBAAI+F,UAAU,GAAGhQ,IAAI,CAAChK,IAAL,CAAUiK,QAAV,CAAmB,CAAnB,EAAsB,CAAtB,CAAjB;AACA,gBAAIgQ,WAAW,GAAG,OAAlB;;AACA,iBAAKvY,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG,CAAhB,EAAmBA,CAAC,EAApB,EAAwB;AACtB,kBAAIwY,CAAC,GAAGF,UAAU,CAACtY,CAAD,CAAV,CAAc+X,QAAd,CAAuB,EAAvB,CAAR;;AACA,kBAAIS,CAAC,CAACnX,MAAF,GAAW,CAAf,EAAkB;AAChBmX,iBAAC,GAAG,MAAMA,CAAV;AACD;;AAEDD,yBAAW,IAAIC,CAAf;AACD;;AACD5Q,iBAAK,CAACV,KAAN,GAAcqR,WAAd;AACD;;AACD;AACA;;AACF,aAAK,CAAL;AACE7P,cAAI,GAAG,IAAP;;AACA,cAAI6N,KAAK,IAAIjE,SAAb,EAAwB;AACtBA,qBAAS,CAACiE,KAAV,IAAmB,MAAnB;AACD;;AAED,cAAI,CAAC3O,KAAK,CAAC6Q,GAAX,EAAgB;AACd7Q,iBAAK,CAAC6Q,GAAN,GAAY,CAACnQ,IAAI,CAAChK,IAAN,CAAZ;AACD;;AAED;AACA;;AACF,aAAK,CAAL;AACEoK,cAAI,GAAG,KAAP;AACAd,eAAK,CAACiP,QAAN,GAAiB,IAAjB;;AACA,cAAIvE,SAAJ,EAAe;AACb2D,yBAAa,CAAC3D,SAAD,EAAY1K,KAAZ,CAAb;AACD;;AAED0K,mBAAS,GAAG,KAAI,CAACA,SAAL,GAAiBsE,eAAe,CAAC,KAAD,EAAQjE,GAAG,CAAC5K,GAAZ,EAAiB4K,GAAG,CAACnK,GAArB,EAA0B+N,KAAK,GAAG,MAAH,GAAY,EAA3C,CAA5C;AACA;AACA;;AACF,aAAK,EAAL;AACE7N,cAAI,GAAG,KAAP;AACA;;AACF;AACEA,cAAI,GAAG,KAAP;;AACA,cAAI4J,SAAJ,EAAe;AACbA,qBAAS,CAACiE,KAAV,IAAmB,iBAAiBjO,IAAI,CAAC7C,IAAtB,GAA6B,GAAhD;AACD;;AAED;AA5MF;;AA8MA,UAAI6M,SAAS,IAAI5J,IAAjB,EAAuB;AACrB,YAAImI,MAAK,GAAGyB,SAAS,CAACzB,KAAtB;;AACAA,cAAK,CAACnI,IAAN,CAAWJ,IAAX;AACD;AACF,KAnND,EAxBuB,CA4OvB;;AACA,QAAIkO,IAAI,IAAIlE,SAAZ,EAAuB;AACrB2D,mBAAa,CAAC3D,SAAD,EAAY1K,KAAZ,CAAb;AACA,WAAK0K,SAAL,GAAiB,IAAjB;AACD;AACF,G;;SAEDsF,oB,GAAA,8BAAsBc,GAAtB,EAA2Bpa,IAA3B,EAAiC;AAC/B,QAAIiL,GAAG,GAAGmP,GAAG,CAACrX,MAAd;;AACA,QAAIkI,GAAG,GAAG,CAAV,EAAa;AACX,UAAIjL,IAAI,CAACyJ,GAAL,IAAY2Q,GAAG,CAACnP,GAAG,GAAG,CAAP,CAAH,CAAaxB,GAA7B,EAAkC;AAChC2Q,WAAG,CAAChQ,IAAJ,CAASpK,IAAT;AACD,OAFD,MAEO;AACL,aAAK,IAAIqa,GAAG,GAAGpP,GAAG,GAAG,CAArB,EAAwBoP,GAAG,IAAI,CAA/B,EAAkCA,GAAG,EAArC,EAAyC;AACvC,cAAIra,IAAI,CAACyJ,GAAL,GAAW2Q,GAAG,CAACC,GAAD,CAAH,CAAS5Q,GAAxB,EAA6B;AAC3B2Q,eAAG,CAAC5C,MAAJ,CAAW6C,GAAX,EAAgB,CAAhB,EAAmBra,IAAnB;AACA;AACD;AACF;AACF;AACF,KAXD,MAWO;AACLoa,SAAG,CAAChQ,IAAJ,CAASpK,IAAT;AACD;AACF,G;;SAEDsa,e,GAAA,2BAAmB;AACjB,QAAItG,SAAS,GAAG,KAAKA,SAArB;AAAA,QAAgCuG,QAAhC,CADiB,CAEjB;;AACA,QAAI,CAACvG,SAAD,IAAcA,SAAS,CAACzB,KAAV,CAAgBxP,MAAhB,KAA2B,CAA7C,EAAgD;AAC9C,UAAIuG,KAAK,GAAG,KAAKqK,SAAjB;AAAA,UAA4BxJ,OAAO,GAAGb,KAAK,CAACa,OAA5C;AACA6J,eAAS,GAAG7J,OAAO,CAACA,OAAO,CAACpH,MAAR,GAAiB,CAAlB,CAAnB;AACD;;AACD,QAAIiR,SAAJ,EAAe;AACb,UAAIzB,KAAK,GAAGyB,SAAS,CAACzB,KAAtB;AACAgI,cAAQ,GAAGhI,KAAK,CAACA,KAAK,CAACxP,MAAN,GAAe,CAAhB,CAAhB;AACD;;AACD,WAAOwX,QAAP;AACD,G;;SAEDpC,a,GAAA,uBAAeqC,KAAf,EAAsB;AACpB,QAAI9Y,CAAC,GAAG,CAAR;AAAA,QAAWuJ,GAAG,GAAGuP,KAAK,CAAC/Z,UAAvB;AAAA,QAAmCga,KAAnC;AAAA,QAA0CC,QAA1C;AAAA,QAAoDpR,KAAK,GAAG,KAAKqK,SAAjE;AAAA,QAA4EgH,KAAK,GAAGrR,KAAK,CAACsR,SAAN,IAAmB,CAAvG;AAAA,QAA0GC,SAAS,GAAGF,KAAtH;AACA,QAAIpI,KAAK,GAAG,EAAZ;AAAA,QAAgBvI,IAAhB;AAAA,QAAsB8Q,QAAtB;AAAA,QAAgCC,aAAa,GAAG,CAAC,CAAjD;AAAA,QAAoDC,YAApD,CAFoB,CAGpB;;AAEA,QAAIL,KAAK,KAAK,CAAC,CAAf,EAAkB;AAClB;AACEI,mBAAa,GAAG,CAAhB,CAFgB,CAGhB;;AACAC,kBAAY,GAAGR,KAAK,CAAC,CAAD,CAAL,GAAW,IAA1B;AACAG,WAAK,GAAG,CAAR;AACAjZ,OAAC,GAAG,CAAJ;AACD;;AAED,WAAOA,CAAC,GAAGuJ,GAAX,EAAgB;AACdwP,WAAK,GAAGD,KAAK,CAAC9Y,CAAC,EAAF,CAAb,CADc,CAEd;;AACA,UAAI,CAACiZ,KAAL,EAAY;AACVA,aAAK,GAAGF,KAAK,GAAG,CAAH,GAAO,CAApB;AACA;AACD;;AACD,UAAIE,KAAK,KAAK,CAAd,EAAiB;AACfA,aAAK,GAAGF,KAAK,GAAG,CAAH,GAAO,CAApB;AACA;AACD,OAVa,CAWd;;;AACA,UAAI,CAACA,KAAL,EAAY;AACVE,aAAK,GAAG,CAAR;AACD,OAFD,MAEO,IAAIF,KAAK,KAAK,CAAd,EAAiB;AACtB,YAAIM,aAAa,IAAI,CAArB,EAAwB;AACtB/Q,cAAI,GAAG;AAAEhK,gBAAI,EAAEwa,KAAK,CAACvQ,QAAN,CAAe8Q,aAAf,EAA8BrZ,CAAC,GAAGiZ,KAAJ,GAAY,CAA1C,CAAR;AAAsDxT,gBAAI,EAAE6T;AAA5D,WAAP,CADsB,CAEtB;;AACAzI,eAAK,CAACnI,IAAN,CAAWJ,IAAX;AACD,SAJD,MAIO;AACL;AACA;AACA;AACA;AACA,cAAIuQ,QAAQ,GAAG,KAAKD,eAAL,EAAf;;AACA,cAAIC,QAAJ,EAAc;AACZ,gBAAIM,SAAS,IAAKnZ,CAAC,IAAI,IAAImZ,SAA3B,EAAuC;AACrC;AACA;AACA;AACA,kBAAIN,QAAQ,CAACI,KAAb,EAAoB;AAClB;AACAJ,wBAAQ,CAACva,IAAT,GAAgBua,QAAQ,CAACva,IAAT,CAAciK,QAAd,CAAuB,CAAvB,EAA0BsQ,QAAQ,CAACva,IAAT,CAAcS,UAAd,GAA2Boa,SAArD,CAAhB;AACD;AACF,aATW,CAUZ;;;AACAH,oBAAQ,GAAGhZ,CAAC,GAAGiZ,KAAJ,GAAY,CAAvB;;AACA,gBAAID,QAAQ,GAAG,CAAf,EAAkB;AAChB;AACA,kBAAIO,GAAG,GAAG,IAAIvN,UAAJ,CAAe6M,QAAQ,CAACva,IAAT,CAAcS,UAAd,GAA2Bia,QAA1C,CAAV;AACAO,iBAAG,CAACnN,GAAJ,CAAQyM,QAAQ,CAACva,IAAjB,EAAuB,CAAvB;AACAib,iBAAG,CAACnN,GAAJ,CAAQ0M,KAAK,CAACvQ,QAAN,CAAe,CAAf,EAAkByQ,QAAlB,CAAR,EAAqCH,QAAQ,CAACva,IAAT,CAAcS,UAAnD;AACA8Z,sBAAQ,CAACva,IAAT,GAAgBib,GAAhB;AACD;AACF;AACF,SA/BqB,CAgCtB;;;AACA,YAAIvZ,CAAC,GAAGuJ,GAAR,EAAa;AACX6P,kBAAQ,GAAGN,KAAK,CAAC9Y,CAAD,CAAL,GAAW,IAAtB,CADW,CAEX;;AACAqZ,uBAAa,GAAGrZ,CAAhB;AACAsZ,sBAAY,GAAGF,QAAf;AACAH,eAAK,GAAG,CAAR;AACD,SAND,MAMO;AACL;AACAA,eAAK,GAAG,CAAC,CAAT;AACD;AACF,OA3CM,MA2CA;AACLA,aAAK,GAAG,CAAR;AACD;AACF;;AACD,QAAII,aAAa,IAAI,CAAjB,IAAsBJ,KAAK,IAAI,CAAnC,EAAsC;AACpC3Q,UAAI,GAAG;AAAEhK,YAAI,EAAEwa,KAAK,CAACvQ,QAAN,CAAe8Q,aAAf,EAA8B9P,GAA9B,CAAR;AAA4C9D,YAAI,EAAE6T,YAAlD;AAAgEL,aAAK,EAAEA;AAAvE,OAAP;AACApI,WAAK,CAACnI,IAAN,CAAWJ,IAAX,EAFoC,CAGpC;AACD,KA/EmB,CAgFpB;;;AACA,QAAIuI,KAAK,CAACxP,MAAN,KAAiB,CAArB,EAAwB;AACtB;AACA,UAAIwX,SAAQ,GAAG,KAAKD,eAAL,EAAf;;AACA,UAAIC,SAAJ,EAAc;AACZ,YAAIU,IAAG,GAAG,IAAIvN,UAAJ,CAAe6M,SAAQ,CAACva,IAAT,CAAcS,UAAd,GAA2B+Z,KAAK,CAAC/Z,UAAhD,CAAV;;AACAwa,YAAG,CAACnN,GAAJ,CAAQyM,SAAQ,CAACva,IAAjB,EAAuB,CAAvB;;AACAib,YAAG,CAACnN,GAAJ,CAAQ0M,KAAR,EAAeD,SAAQ,CAACva,IAAT,CAAcS,UAA7B;;AACA8Z,iBAAQ,CAACva,IAAT,GAAgBib,IAAhB;AACD;AACF;;AACD3R,SAAK,CAACsR,SAAN,GAAkBD,KAAlB;AACA,WAAOpI,KAAP;AACD;AAED;;;;;SAGAzB,U,GAAA,oBAAY9Q,IAAZ,EAAkB;AAChB,QAAI+C,MAAM,GAAG/C,IAAI,CAACS,UAAlB;AAAA,QACEya,YAAY,GAAG,EADjB;AAAA,QAEExZ,CAAC,GAAG,CAFN;AAAA,QAGEyZ,SAHF;AAAA,QAGa5D,OAHb,CADgB,CAMhB;;AACA,WAAO7V,CAAC,GAAGqB,MAAM,GAAG,CAApB,EAAuB;AACrB,UAAI/C,IAAI,CAAC0B,CAAD,CAAJ,KAAY,CAAZ,IACA1B,IAAI,CAAC0B,CAAC,GAAG,CAAL,CAAJ,KAAgB,CADhB,IAEA1B,IAAI,CAAC0B,CAAC,GAAG,CAAL,CAAJ,KAAgB,IAFpB,EAE0B;AACxBwZ,oBAAY,CAAC9Q,IAAb,CAAkB1I,CAAC,GAAG,CAAtB;AACAA,SAAC,IAAI,CAAL;AACD,OALD,MAKO;AACLA,SAAC;AACF;AACF,KAhBe,CAkBhB;AACA;;;AACA,QAAIwZ,YAAY,CAACnY,MAAb,KAAwB,CAA5B,EAA+B;AAC7B,aAAO/C,IAAP;AACD,KAtBe,CAwBhB;;;AACAmb,aAAS,GAAGpY,MAAM,GAAGmY,YAAY,CAACnY,MAAlC;AACAwU,WAAO,GAAG,IAAI7J,UAAJ,CAAeyN,SAAf,CAAV;AACA,QAAIC,WAAW,GAAG,CAAlB;;AAEA,SAAK1Z,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGyZ,SAAhB,EAA2BC,WAAW,IAAI1Z,CAAC,EAA3C,EAA+C;AAC7C,UAAI0Z,WAAW,KAAKF,YAAY,CAAC,CAAD,CAAhC,EAAqC;AACnC;AACAE,mBAAW,GAFwB,CAGnC;;AACAF,oBAAY,CAACG,KAAb;AACD;;AACD9D,aAAO,CAAC7V,CAAD,CAAP,GAAa1B,IAAI,CAACob,WAAD,CAAjB;AACD;;AACD,WAAO7D,OAAP;AACD,G;;SAED7B,Y,GAAA,sBAAcrB,GAAd,EAAmB;AACjB,QAAI/K,KAAK,GAAG,KAAKsB,WAAjB;AAAA,QACE5K,IAAI,GAAGqU,GAAG,CAACrU,IADb;AAAA,QAEEyJ,GAAG,GAAG4K,GAAG,CAAC5K,GAFZ;AAAA,QAGE6R,WAAW,GAAG,CAHhB;AAAA,QAIExH,WAAW,GAAG,KAAKA,WAJrB;AAAA,QAKEC,UAAU,GAAG,KAAKA,UALpB;AAAA,QAMEpK,aANF;AAAA,QAMiBD,UANjB;AAAA,QAM6B5G,MAN7B;AAAA,QAMqC8G,KANrC;AAAA,QAM4CqB,GAN5C;;AAOA,QAAI6I,WAAJ,EAAiB;AACf,UAAImH,GAAG,GAAG,IAAIvN,UAAJ,CAAeoG,WAAW,CAACrT,UAAZ,GAAyBT,IAAI,CAACS,UAA7C,CAAV;AACAwa,SAAG,CAACnN,GAAJ,CAAQgG,WAAR,EAAqB,CAArB;AACAmH,SAAG,CAACnN,GAAJ,CAAQ9N,IAAR,EAAc8T,WAAW,CAACrT,UAA1B,EAHe,CAIf;;AACAT,UAAI,GAAGib,GAAP;AACD,KAdgB,CAejB;;;AACA,SAAKnY,MAAM,GAAGwY,WAAT,EAAsBrQ,GAAG,GAAGjL,IAAI,CAAC+C,MAAtC,EAA8CD,MAAM,GAAGmI,GAAG,GAAG,CAA7D,EAAgEnI,MAAM,EAAtE,EAA0E;AACxE,UAAIyI,QAAA,CAAcvL,IAAd,EAAoB8C,MAApB,CAAJ,EAAiC;AAC/B;AACD;AACF,KApBgB,CAqBjB;;;AACA,QAAIA,MAAJ,EAAY;AACV,UAAI4E,MAAJ,EAAYD,KAAZ;;AACA,UAAI3E,MAAM,GAAGmI,GAAG,GAAG,CAAnB,EAAsB;AACpBvD,cAAM,sDAAoD5E,MAA1D;AACA2E,aAAK,GAAG,KAAR;AACD,OAHD,MAGO;AACLC,cAAM,GAAG,iCAAT;AACAD,aAAK,GAAG,IAAR;AACD;;AACDrB,sBAAM,CAACgN,IAAP,oBAA6B1L,MAA7B;AACA,WAAKjC,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACC,KAA5B,EAAmC;AAAEC,YAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,eAAO,EAAEC,sBAAY,CAACe,kBAAtD;AAA0Eb,aAAK,EAAEA,KAAjF;AAAwFC,cAAM,EAAEA;AAAhG,OAAnC;;AACA,UAAID,KAAJ,EAAW;AACT;AACD;AACF;;AAED8D,mBAAA,CAAqBjC,KAArB,EAA4B,KAAK7D,QAAjC,EAA2CzF,IAA3C,EAAiD8C,MAAjD,EAAyD,KAAK8E,UAA9D;AACA8B,cAAU,GAAG,CAAb;AACAC,iBAAa,GAAG4B,gBAAA,CAAsBjC,KAAK,CAACZ,UAA5B,CAAhB,CAxCiB,CA0CjB;AACA;;AACA,QAAIoL,WAAW,IAAIC,UAAnB,EAA+B;AAC7B,UAAIwH,MAAM,GAAGxH,UAAU,GAAGpK,aAA1B;;AACA,UAAIiE,IAAI,CAAC4N,GAAL,CAASD,MAAM,GAAG9R,GAAlB,IAAyB,CAA7B,EAAgC;AAC9BrD,wBAAM,CAACC,GAAP,+CAAuDuH,IAAI,CAAC6J,KAAL,CAAW,CAAC8D,MAAM,GAAG9R,GAAV,IAAiB,EAA5B,CAAvD;AACAA,WAAG,GAAG8R,MAAN;AACD;AACF,KAlDgB,CAoDjB;;;AACA,WAAOzY,MAAM,GAAGmI,GAAhB,EAAqB;AACnB,UAAIM,QAAA,CAAcvL,IAAd,EAAoB8C,MAApB,CAAJ,EAAiC;AAC/B,YAAKA,MAAM,GAAG,CAAV,GAAemI,GAAnB,EAAwB;AACtB,cAAMc,KAAK,GAAGR,WAAA,CAAiBjC,KAAjB,EAAwBtJ,IAAxB,EAA8B8C,MAA9B,EAAsC2G,GAAtC,EAA2CC,UAA3C,CAAd;;AACA,cAAIqC,KAAJ,EAAW;AACTjJ,kBAAM,IAAIiJ,KAAK,CAAChJ,MAAhB;AACA6G,iBAAK,GAAGmC,KAAK,CAAC1B,MAAN,CAAaZ,GAArB;AACAC,sBAAU;AACV;AACD;AACF,SAT8B,CAU/B;AACA;;;AACA;AACD,OAbD,MAaO;AACL;AACA5G,cAAM;AACP;AACF;;AAED,QAAIA,MAAM,GAAGmI,GAAb,EAAkB;AAChB6I,iBAAW,GAAG9T,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBmI,GAAtB,CAAd,CADgB,CAEhB;AACD,KAHD,MAGO;AACL6I,iBAAW,GAAG,IAAd;AACD;;AAED,SAAKA,WAAL,GAAmBA,WAAnB;AACA,SAAKC,UAAL,GAAkBnK,KAAlB;AACD,G;;SAEDgM,a,GAAA,uBAAevB,GAAf,EAAoB;AAClB,QAAIrU,IAAI,GAAGqU,GAAG,CAACrU,IAAf;AACA,QAAI+C,MAAM,GAAG/C,IAAI,CAAC+C,MAAlB;AACA,QAAI2G,UAAU,GAAG,CAAjB;AACA,QAAI5G,MAAM,GAAG,CAAb;AACA,QAAI2G,GAAG,GAAG4K,GAAG,CAAC5K,GAAd;;AAEA,WAAO3G,MAAM,GAAGC,MAAhB,EAAwB;AACtB,UAAIkJ,SAAS,CAACjD,QAAV,CAAmBhJ,IAAnB,EAAyB8C,MAAzB,CAAJ,EAAsC;AACpC,YAAIiJ,KAAK,GAAGE,SAAS,CAACpC,WAAV,CAAsB,KAAKe,WAA3B,EAAwC5K,IAAxC,EAA8C8C,MAA9C,EAAsD2G,GAAtD,EAA2DC,UAA3D,CAAZ;;AACA,YAAIqC,KAAJ,EAAW;AACTjJ,gBAAM,IAAIiJ,KAAK,CAAChJ,MAAhB;AACA2G,oBAAU;AACX,SAHD,MAGO;AACL;AACA;AACD;AACF,OATD,MASO;AACL;AACA5G,cAAM;AACP;AACF;AACF,G;;SAEDgT,Y,GAAA,sBAAczB,GAAd,EAAmB;AACjB,SAAKT,SAAL,CAAezJ,OAAf,CAAuBC,IAAvB,CAA4BiK,GAA5B;AACD,G;;;;;AAGYxB,iEAAf,E;;ACzkCA;;;AAGA;AACA;AACA;;IAEM4I,qB;;;AACJ,sBAAahW,QAAb,EAAuB8E,OAAvB,EAAgC7E,MAAhC,EAAwC;AACtC,SAAKD,QAAL,GAAgBA,QAAhB;AACA,SAAKC,MAAL,GAAcA,MAAd;AACA,SAAK6E,OAAL,GAAeA,OAAf;AACD;;;;SAEDC,gB,GAAA,0BAAkBC,WAAlB,EAA+B7C,UAA/B,EAA2C8C,UAA3C,EAAuDC,QAAvD,EAAiE;AAC/D,SAAKC,WAAL,GAAmB;AAAEC,eAAS,EAAE,YAAb;AAA2B1D,UAAI,EAAE,OAAjC;AAA0C2D,QAAE,EAAE,CAAC,CAA/C;AAAkDC,oBAAc,EAAE,CAAlE;AAAqEC,WAAK,EAAE,KAA5E;AAAmFb,aAAO,EAAE,EAA5F;AAAgGc,SAAG,EAAE,CAArG;AAAwG7C,mBAAa,EAAER,UAAvH;AAAmI+C,cAAQ,EAAEA,QAA7I;AAAuJO,oBAAc,EAAE;AAAvK,KAAnB;AACD,G;;SAEDC,c,GAAA,0BAAkB,CACjB,C;;aAEMlC,K,GAAP,eAAcjJ,IAAd,EAAoB;AAClB;AACA,QAAI8C,MAAJ,EAAYC,MAAZ;AACA,QAAIqI,OAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB,CAArB,CAAd;;AACA,QAAIoL,OAAO,IAAIC,cAAG,CAACQ,YAAJ,CAAiBT,OAAjB,MAA8B/F,SAA7C,EAAwD;AACtD;AACA;AACA;AACA,WAAKvC,MAAM,GAAGsI,OAAO,CAACrI,MAAjB,EAAyBA,MAAM,GAAG6K,IAAI,CAACC,GAAL,CAAS7N,IAAI,CAAC+C,MAAL,GAAc,CAAvB,EAA0BD,MAAM,GAAG,GAAnC,CAAvC,EAAgFA,MAAM,GAAGC,MAAzF,EAAiGD,MAAM,EAAvG,EAA2G;AACzG,YAAImJ,SAAS,CAAChD,KAAV,CAAgBjJ,IAAhB,EAAsB8C,MAAtB,CAAJ,EAAmC;AACjCsD,0BAAM,CAACC,GAAP,CAAW,8BAAX;AACA,iBAAO,IAAP;AACD;AACF;AACF;;AACD,WAAO,KAAP;AACD,G,CAED;;;SACAmF,M,GAAA,gBAAQxL,IAAR,EAAcyL,UAAd,EAA0BC,UAA1B,EAAsCC,kBAAtC,EAA0D;AACxD,QAAIP,OAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB,CAArB,CAAd;AACA,QAAI4L,SAAS,GAAGP,cAAG,CAACQ,YAAJ,CAAiBT,OAAjB,CAAhB;AACA,QAAI3B,GAAG,GAAGmC,SAAS,GAAG,KAAKA,SAAR,GAAoBH,UAAU,GAAG,KAApD;AACA,QAAI3I,MAAM,GAAGsI,OAAO,CAACrI,MAArB;AACA,QAAIA,MAAM,GAAG/C,IAAI,CAAC+C,MAAlB;AACA,QAAI2G,UAAU,GAAG,CAAjB;AAAA,QAAoBE,KAAK,GAAG,CAA5B;AACA,QAAIN,KAAK,GAAG,KAAKsB,WAAjB;AAEA,QAAIkB,UAAU,GAAG,CAAC;AAAErC,SAAG,EAAEA,GAAP;AAAYS,SAAG,EAAET,GAAjB;AAAsBzJ,UAAI,EAAEoL;AAA5B,KAAD,CAAjB;;AAEA,WAAOtI,MAAM,GAAGC,MAAhB,EAAwB;AACtB,UAAIkJ,SAAS,CAACjD,QAAV,CAAmBhJ,IAAnB,EAAyB8C,MAAzB,CAAJ,EAAsC;AACpC,YAAIiJ,KAAK,GAAGE,SAAS,CAACpC,WAAV,CAAsBP,KAAtB,EAA6BtJ,IAA7B,EAAmC8C,MAAnC,EAA2C2G,GAA3C,EAAgDC,UAAhD,CAAZ;;AACA,YAAIqC,KAAJ,EAAW;AACTjJ,gBAAM,IAAIiJ,KAAK,CAAChJ,MAAhB;AACA6G,eAAK,GAAGmC,KAAK,CAAC1B,MAAN,CAAaZ,GAArB;AACAC,oBAAU;AACX,SAJD,MAIO;AACL;AACA;AACD;AACF,OAVD,MAUO,IAAI2B,cAAG,CAACrC,QAAJ,CAAahJ,IAAb,EAAmB8C,MAAnB,CAAJ,EAAgC;AACrCsI,eAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB8C,MAArB,CAAV;AACAgJ,kBAAU,CAAC1B,IAAX,CAAgB;AAAEX,aAAG,EAAEG,KAAP;AAAcM,aAAG,EAAEN,KAAnB;AAA0B5J,cAAI,EAAEoL;AAAhC,SAAhB;AACAtI,cAAM,IAAIsI,OAAO,CAACrI,MAAlB;AACD,OAJM,MAIA;AACL;AACAD,cAAM;AACP;AACF;;AAED,SAAKyH,OAAL,CAAayB,KAAb,CAAmB1C,KAAnB,EACE;AAAEa,aAAO,EAAE;AAAX,KADF,EAEE;AAAEA,aAAO,EAAE2B,UAAX;AAAuBZ,oBAAc,EAAE;AAAvC,KAFF,EAGE;AAAEf,aAAO,EAAE;AAAX,KAHF,EAIEsB,UAJF,EAKEC,UALF,EAMEC,kBANF;AAOD,G;;SAEDvG,O,GAAA,mBAAW,CACV,C;;;;;AAGYqW,oEAAf,E;;;;;ACrFA;;;AAGA;;IAEMC,sC;;;AACJ,8BAAajW,QAAb,EAAuB;AACrB,SAAKA,QAAL,GAAgBA,QAAhB;AACD;;;;SAEDL,O,GAAA,mBAAW,CACV,C;;SAED+F,c,GAAA,0BAAkB,CACjB,C;;SAEDX,gB,GAAA,4BAAoB,CACnB,C;;SAEDwB,K,GAAA,eAAOwI,UAAP,EAAmB4B,UAAnB,EAA+B3B,QAA/B,EAAyC4B,SAAzC,EAAoD5K,UAApD,EAAgEC,UAAhE,EAA4EC,kBAA5E,EAAgGgQ,OAAhG,EAAyG;AACvG,QAAIlW,QAAQ,GAAG,KAAKA,QAApB;AACA,QAAImW,UAAU,GAAG,EAAjB;;AACA,QAAIpH,UAAJ,EAAgB;AACdoH,gBAAU,IAAI,OAAd;AACD;;AAED,QAAIxF,UAAJ,EAAgB;AACdwF,gBAAU,IAAI,OAAd;AACD;;AAEDnW,YAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAAC4U,iBAAvB,EAA0C;AACxCC,WAAK,EAAEH,OADiC;AAExCI,cAAQ,EAAEtQ,UAF8B;AAGxCuQ,cAAQ,EAAEvQ,UAH8B;AAIxCtE,UAAI,EAAEyU,UAJkC;AAKxCK,cAAQ,EAAE,CAAC,CAACzH,UAL4B;AAMxC0H,cAAQ,EAAE,CAAC,CAAC9F,UAN4B;AAOxC+F,QAAE,EAAE,CAPoC;AAQxC3I,aAAO,EAAE;AAR+B,KAA1C,EAXuG,CAqBvG;;AACA/N,YAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAACmV,WAAvB;AACD,G;;;;;AAGYV,8FAAf,E;;AC7CA;;;;;;AAOA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AAEA;CAGA;;AACA,IAAMpW,MAAM,GAAGC,sCAAY,EAA3B,C,CAA+B;;AAE/B,IAAI8W,GAAJ,C,CACA;;AACA,IAAI;AACFA,KAAG,GAAG/W,MAAM,CAACgX,WAAP,CAAmBD,GAAnB,CAAuBlM,IAAvB,CAA4B7K,MAAM,CAACgX,WAAnC,CAAN;AACD,CAFD,CAEE,OAAO3V,GAAP,EAAY;AACZP,kBAAM,CAAC6R,KAAP,CAAa,mDAAb;AACAoE,KAAG,GAAG/W,MAAM,CAACiX,IAAP,CAAYF,GAAlB;AACD;;IAEKG,4B;;;AACJ,yBAAa/W,QAAb,EAAuBqN,aAAvB,EAAsCpN,MAAtC,EAA8C+W,MAA9C,EAAsD;AACpD,SAAKhX,QAAL,GAAgBA,QAAhB;AACA,SAAKqN,aAAL,GAAqBA,aAArB;AACA,SAAKpN,MAAL,GAAcA,MAAd;AACA,SAAK+W,MAAL,GAAcA,MAAd;AACD;;;;SAEDrX,O,GAAA,mBAAW;AACT,QAAIsX,OAAO,GAAG,KAAKA,OAAnB;;AACA,QAAIA,OAAJ,EAAa;AACXA,aAAO,CAACtX,OAAR;AACD;AACF,G;;SAEDgF,I,GAAA,cAAMpK,IAAN,EAAY6Q,WAAZ,EAAyBpG,WAAzB,EAAsC7C,UAAtC,EAAkD8C,UAAlD,EAA8De,UAA9D,EAA0EkR,aAA1E,EAAyFC,WAAzF,EAAsGlR,UAAtG,EAAkHf,QAAlH,EAA4HgB,kBAA5H,EAAgJkR,cAAhJ,EAAgK;AAAA;;AAC9J,QAAK7c,IAAI,CAACS,UAAL,GAAkB,CAAnB,IAA0BoQ,WAAW,IAAI,IAAzC,IAAmDA,WAAW,CAAC5Q,GAAZ,IAAmB,IAAtE,IAAgF4Q,WAAW,CAACoC,MAAZ,KAAuB,SAA3G,EAAuH;AACrH,UAAIlC,SAAS,GAAG,KAAKA,SAArB;;AACA,UAAIA,SAAS,IAAI,IAAjB,EAAuB;AACrBA,iBAAS,GAAG,KAAKA,SAAL,GAAiB,IAAIvL,0BAAJ,CAAc,KAAKC,QAAnB,EAA6B,KAAKC,MAAlC,CAA7B;AACD;;AAED,UAAMoX,SAAS,GAAGT,GAAG,EAArB;AACAtL,eAAS,CAAChR,OAAV,CAAkBC,IAAlB,EAAwB6Q,WAAW,CAAC5Q,GAAZ,CAAgBM,MAAxC,EAAgDsQ,WAAW,CAAChR,EAAZ,CAAeU,MAA/D,EAAuE,UAACkR,aAAD,EAAmB;AACxF,YAAMsL,OAAO,GAAGV,GAAG,EAAnB;;AACA,aAAI,CAAC5W,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAAC+V,cAA5B,EAA4C;AAAEC,eAAK,EAAE;AAAEC,kBAAM,EAAEJ,SAAV;AAAqBK,oBAAQ,EAAEJ;AAA/B;AAAT,SAA5C;;AACA,aAAI,CAACK,aAAL,CAAmB,IAAI1P,UAAJ,CAAe+D,aAAf,CAAnB,EAAkDZ,WAAlD,EAA+D,IAAInD,UAAJ,CAAejD,WAAf,CAA/D,EAA4F7C,UAA5F,EAAwG8C,UAAxG,EAAoHe,UAApH,EAAgIkR,aAAhI,EAA+IC,WAA/I,EAA4JlR,UAA5J,EAAwKf,QAAxK,EAAkLgB,kBAAlL,EAAsMkR,cAAtM;AACD,OAJD;AAKD,KAZD,MAYO;AACL,WAAKO,aAAL,CAAmB,IAAI1P,UAAJ,CAAe1N,IAAf,CAAnB,EAAyC6Q,WAAzC,EAAsD,IAAInD,UAAJ,CAAejD,WAAf,CAAtD,EAAmF7C,UAAnF,EAA+F8C,UAA/F,EAA2Ge,UAA3G,EAAuHkR,aAAvH,EAAsIC,WAAtI,EAAmJlR,UAAnJ,EAA+Jf,QAA/J,EAAyKgB,kBAAzK,EAA6LkR,cAA7L;AACD;AACF,G;;SAEDO,a,GAAA,uBAAepd,IAAf,EAAqB6Q,WAArB,EAAkCpG,WAAlC,EAA+C7C,UAA/C,EAA2D8C,UAA3D,EAAuEe,UAAvE,EAAmFkR,aAAnF,EAAkGC,WAAlG,EAA+GlR,UAA/G,EAA2Hf,QAA3H,EAAqIgB,kBAArI,EAAyJkR,cAAzJ,EAAyK;AACvK,QAAIH,OAAO,GAAG,KAAKA,OAAnB;;AACA,QAAI,CAACA,OAAD,IACF;AACA;AACA;AACC,KAACC,aAAa,IAAIC,WAAlB,KAAkC,CAAC,KAAK3T,KAAL,CAAWjJ,IAAX,CAJtC,EAIyD;AACvD,UAAMyF,QAAQ,GAAG,KAAKA,QAAtB;AACA,UAAMqN,aAAa,GAAG,KAAKA,aAA3B;AACA,UAAMpN,MAAM,GAAG,KAAKA,MAApB,CAHuD,CAIvD;;AACA,UAAM2X,SAAS,GAAG,CAChB;AAAEC,aAAK,EAAEzK,SAAT;AAAoB7G,aAAK,EAAEuR,sBAAUA;AAArC,OADgB,EAEhB;AAAED,aAAK,EAAEE,qBAAT;AAAqBxR,aAAK,EAAE0P,mBAAkBA;AAA9C,OAFgB,EAGhB;AAAE4B,aAAK,EAAEhT,UAAT;AAAqB0B,aAAK,EAAEuR,sBAAUA;AAAtC,OAHgB,EAIhB;AAAED,aAAK,EAAE7B,UAAT;AAAqBzP,aAAK,EAAEuR,sBAAUA;AAAtC,OAJgB,CAAlB,CALuD,CAYvD;;AACA,WAAK,IAAI7b,CAAC,GAAG,CAAR,EAAWuJ,GAAG,GAAGoS,SAAS,CAACta,MAAhC,EAAwCrB,CAAC,GAAGuJ,GAA5C,EAAiDvJ,CAAC,EAAlD,EAAsD;AACpD,YAAM+b,GAAG,GAAGJ,SAAS,CAAC3b,CAAD,CAArB;AACA,YAAMuH,KAAK,GAAGwU,GAAG,CAACH,KAAJ,CAAUrU,KAAxB;;AACA,YAAIA,KAAK,CAACjJ,IAAD,CAAT,EAAiB;AACf,cAAMuK,QAAO,GAAG,KAAKA,OAAL,GAAe,IAAIkT,GAAG,CAACzR,KAAR,CAAcvG,QAAd,EAAwBC,MAAxB,EAAgCoN,aAAhC,EAA+C,KAAK2J,MAApD,CAA/B;;AACAC,iBAAO,GAAG,IAAIe,GAAG,CAACH,KAAR,CAAc7X,QAAd,EAAwB8E,QAAxB,EAAiC7E,MAAjC,EAAyCoN,aAAzC,CAAV;AACA,eAAK7J,KAAL,GAAaA,KAAb;AACA;AACD;AACF;;AACD,UAAI,CAACyT,OAAL,EAAc;AACZjX,gBAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,cAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,iBAAO,EAAEC,sBAAY,CAACe,kBAAtD;AAA0Eb,eAAK,EAAE,IAAjF;AAAuFC,gBAAM,EAAE;AAA/F,SAA9B;AACA;AACD;;AACD,WAAKgV,OAAL,GAAeA,OAAf;AACD;;AACD,QAAMnS,OAAO,GAAG,KAAKA,OAArB;;AAEA,QAAIoS,aAAa,IAAIC,WAArB,EAAkC;AAChCF,aAAO,CAAClS,gBAAR,CAAyBC,WAAzB,EAAsC7C,UAAtC,EAAkD8C,UAAlD,EAA8DC,QAA9D;AACAJ,aAAO,CAACC,gBAAR;AACD;;AACD,QAAImS,aAAJ,EAAmB;AACjBD,aAAO,CAACvR,cAAR,CAAuB0R,cAAvB;AACAtS,aAAO,CAACY,cAAR,CAAuB0R,cAAvB;AACD;;AACD,QAAI,OAAOH,OAAO,CAAC1J,cAAf,KAAkC,UAAtC,EAAkD;AAChD0J,aAAO,CAAC1J,cAAR,CAAuBnC,WAAvB;AACD;;AAED6L,WAAO,CAAClR,MAAR,CAAexL,IAAf,EAAqByL,UAArB,EAAiCC,UAAjC,EAA6CC,kBAA7C;AACD,G;;;;;AAGY6Q,gHAAf,E;;;;;;;;;;;;;ACtHA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;;;;AAKA;AACA;AACA;AAEA;;AAEA,IAAIkB,aAAa,GAAG,SAAhBA,aAAgB,CAAUC,IAAV,EAAgB;AAClC;AACA,MAAIlY,QAAQ,GAAG,IAAImY,0DAAJ,EAAf;;AACAnY,UAAQ,CAACuB,OAAT,GAAmB,SAASA,OAAT,CAAkB6W,KAAlB,EAAkC;AAAA,sCAAN7d,IAAM;AAANA,UAAM;AAAA;;AACnDyF,YAAQ,CAACqY,IAAT,OAAArY,QAAQ,GAAMoY,KAAN,EAAaA,KAAb,SAAuB7d,IAAvB,EAAR;AACD,GAFD;;AAIAyF,UAAQ,CAACsY,GAAT,GAAe,SAASA,GAAT,CAAcF,KAAd,EAA8B;AAAA,uCAAN7d,IAAM;AAANA,UAAM;AAAA;;AAC3CyF,YAAQ,CAACuY,cAAT,OAAAvY,QAAQ,GAAgBoY,KAAhB,SAA0B7d,IAA1B,EAAR;AACD,GAFD;;AAIA,MAAIie,cAAc,GAAG,SAAjBA,cAAiB,CAAUC,EAAV,EAAcle,IAAd,EAAoB;AACvC2d,QAAI,CAACQ,WAAL,CAAiB;AAAEN,WAAK,EAAEK,EAAT;AAAale,UAAI,EAAEA;AAAnB,KAAjB;AACD,GAFD;;AAIA2d,MAAI,CAACS,gBAAL,CAAsB,SAAtB,EAAiC,UAAUF,EAAV,EAAc;AAC7C,QAAIle,IAAI,GAAGke,EAAE,CAACle,IAAd,CAD6C,CAE7C;;AACA,YAAQA,IAAI,CAACqe,GAAb;AACA,WAAK,MAAL;AACE,YAAM3Y,MAAM,GAAG4Y,IAAI,CAACC,KAAL,CAAWve,IAAI,CAAC0F,MAAhB,CAAf;AACAiY,YAAI,CAACjB,OAAL,GAAe,IAAIF,6DAAJ,CAAkB/W,QAAlB,EAA4BzF,IAAI,CAAC8S,aAAjC,EAAgDpN,MAAhD,EAAwD1F,IAAI,CAACyc,MAA7D,CAAf;AAEA+B,wEAAU,CAAC9Y,MAAM,CAACuS,KAAR,CAAV,CAJF,CAME;;AACAgG,sBAAc,CAAC,MAAD,EAAS,IAAT,CAAd;AACA;;AACF,WAAK,OAAL;AACEN,YAAI,CAACjB,OAAL,CAAatS,IAAb,CAAkBpK,IAAI,CAACA,IAAvB,EAA6BA,IAAI,CAAC6Q,WAAlC,EAA+C7Q,IAAI,CAACyK,WAApD,EAAiEzK,IAAI,CAAC4H,UAAtE,EAAkF5H,IAAI,CAAC0K,UAAvF,EAAmG1K,IAAI,CAACyL,UAAxG,EAAoHzL,IAAI,CAAC2c,aAAzH,EAAwI3c,IAAI,CAAC4c,WAA7I,EAA0J5c,IAAI,CAAC0L,UAA/J,EAA2K1L,IAAI,CAAC2K,QAAhL,EAA0L3K,IAAI,CAAC2L,kBAA/L,EAAmN3L,IAAI,CAAC6c,cAAxN;AACA;;AACF;AACE;AAdF;AAgBD,GAnBD,EAfkC,CAoClC;;AACApX,UAAQ,CAACgZ,EAAT,CAAYxX,+CAAK,CAAC+V,cAAlB,EAAkCiB,cAAlC;AACAxY,UAAQ,CAACgZ,EAAT,CAAYxX,+CAAK,CAACyX,yBAAlB,EAA6CT,cAA7C;AACAxY,UAAQ,CAACgZ,EAAT,CAAYxX,+CAAK,CAACmV,WAAlB,EAA+B6B,cAA/B;AACAxY,UAAQ,CAACgZ,EAAT,CAAYxX,+CAAK,CAACC,KAAlB,EAAyB+W,cAAzB;AACAxY,UAAQ,CAACgZ,EAAT,CAAYxX,+CAAK,CAAC0X,qBAAlB,EAAyCV,cAAzC;AACAxY,UAAQ,CAACgZ,EAAT,CAAYxX,+CAAK,CAAC2X,qBAAlB,EAAyCX,cAAzC;AACAxY,UAAQ,CAACgZ,EAAT,CAAYxX,+CAAK,CAAC4X,cAAlB,EAAkCZ,cAAlC,EA3CkC,CA6ClC;;AACAxY,UAAQ,CAACgZ,EAAT,CAAYxX,+CAAK,CAAC4U,iBAAlB,EAAqC,UAAUqC,EAAV,EAAcle,IAAd,EAAoB;AACvD,QAAI8e,YAAY,GAAG,EAAnB;AACA,QAAI/X,OAAO,GAAG;AAAE8W,WAAK,EAAEK,EAAT;AAAale,UAAI,EAAEA;AAAnB,KAAd;;AACA,QAAIA,IAAI,CAAC8b,KAAT,EAAgB;AACd/U,aAAO,CAAC+U,KAAR,GAAgB9b,IAAI,CAAC8b,KAAL,CAAWvb,MAA3B;AACAue,kBAAY,CAAC1U,IAAb,CAAkBpK,IAAI,CAAC8b,KAAL,CAAWvb,MAA7B;AACA,aAAOP,IAAI,CAAC8b,KAAZ;AACD;;AACD,QAAI9b,IAAI,CAAC+e,KAAT,EAAgB;AACdhY,aAAO,CAACgY,KAAR,GAAgB/e,IAAI,CAAC+e,KAAL,CAAWxe,MAA3B;AACAue,kBAAY,CAAC1U,IAAb,CAAkBpK,IAAI,CAAC+e,KAAL,CAAWxe,MAA7B;AACA,aAAOP,IAAI,CAAC+e,KAAZ;AACD;;AACDpB,QAAI,CAACQ,WAAL,CAAiBpX,OAAjB,EAA0B+X,YAA1B;AACD,GAdD;AAeD,CA7DD;;AA+DepB,4EAAf,E;;;;;;;;;;;;AC1EA;AAAA;AAAA;AAAA;AAEA;;;;IAGMrS,G;;;;;AACJ;;;;;;MAMOrC,Q,GAAP,kBAAiBhJ,IAAjB,EAAuB8C,MAAvB,EAA+B;AAC7B;;;;;;;;;;;;;AAaA,QAAIA,MAAM,GAAG,EAAT,IAAe9C,IAAI,CAAC+C,MAAxB,EAAgC;AAC9B;AACA,UAAI/C,IAAI,CAAC8C,MAAD,CAAJ,KAAiB,IAAjB,IAAyB9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,KAAqB,IAA9C,IAAsD9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,KAAqB,IAA/E,EAAqF;AACnF;AACA,YAAI9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAnB,IAA2B9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAlD,EAAwD;AACtD;AACA,cAAI9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAnB,IAA2B9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAA9C,IAAsD9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAzE,IAAiF9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAxG,EAA8G;AAC5G,mBAAO,IAAP;AACD;AACF;AACF;AACF;;AAED,WAAO,KAAP;AACD;AAED;;;;;;;;MAMOkc,Q,GAAP,kBAAiBhf,IAAjB,EAAuB8C,MAAvB,EAA+B;AAC7B;;;AAGA,QAAIA,MAAM,GAAG,EAAT,IAAe9C,IAAI,CAAC+C,MAAxB,EAAgC;AAC9B;AACA,UAAI/C,IAAI,CAAC8C,MAAD,CAAJ,KAAiB,IAAjB,IAAyB9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,KAAqB,IAA9C,IAAsD9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,KAAqB,IAA/E,EAAqF;AACnF;AACA,YAAI9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAnB,IAA2B9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAlD,EAAwD;AACtD;AACA,cAAI9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAnB,IAA2B9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAA9C,IAAsD9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAzE,IAAiF9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAxG,EAA8G;AAC5G,mBAAO,IAAP;AACD;AACF;AACF;AACF;;AAED,WAAO,KAAP;AACD;AAED;;;;;;;;MAMOwI,U,GAAP,oBAAmBtL,IAAnB,EAAyB8C,MAAzB,EAAiC;AAC/B,QAAMmc,KAAK,GAAGnc,MAAd;AACA,QAAIC,MAAM,GAAG,CAAb;;AAEA,WAAOsI,GAAG,CAACrC,QAAJ,CAAahJ,IAAb,EAAmB8C,MAAnB,CAAP,EAAmC;AACjC;AACAC,YAAM,IAAI,EAAV;;AAEA,UAAMoL,IAAI,GAAG9C,GAAG,CAAC6T,SAAJ,CAAclf,IAAd,EAAoB8C,MAAM,GAAG,CAA7B,CAAb;;AACAC,YAAM,IAAIoL,IAAV;;AAEA,UAAI9C,GAAG,CAAC2T,QAAJ,CAAahf,IAAb,EAAmB8C,MAAM,GAAG,EAA5B,CAAJ,EAAqC;AACnC;AACAC,cAAM,IAAI,EAAV;AACD;;AAEDD,YAAM,IAAIC,MAAV;AACD;;AAED,QAAIA,MAAM,GAAG,CAAb,EAAgB;AACd,aAAO/C,IAAI,CAACiK,QAAL,CAAcgV,KAAd,EAAqBA,KAAK,GAAGlc,MAA7B,CAAP;AACD;;AAED,WAAOsC,SAAP;AACD,G;;MAEM6Z,S,GAAP,mBAAkBlf,IAAlB,EAAwB8C,MAAxB,EAAgC;AAC9B,QAAIqL,IAAI,GAAG,CAAX;AACAA,QAAI,GAAI,CAACnO,IAAI,CAAC8C,MAAD,CAAJ,GAAe,IAAhB,KAAyB,EAAjC;AACAqL,QAAI,IAAK,CAACnO,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,EAAtC;AACAqL,QAAI,IAAK,CAACnO,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,CAAtC;AACAqL,QAAI,IAAKnO,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAA5B;AACA,WAAOqL,IAAP;AACD;AAED;;;;;;;MAKOtC,Y,GAAP,sBAAqB7L,IAArB,EAA2B;AACzB,QAAMmf,MAAM,GAAG9T,GAAG,CAAC+T,YAAJ,CAAiBpf,IAAjB,CAAf;;AACA,SAAK,IAAI0B,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGyd,MAAM,CAACpc,MAA3B,EAAmCrB,CAAC,EAApC,EAAwC;AACtC,UAAMqK,KAAK,GAAGoT,MAAM,CAACzd,CAAD,CAApB;;AACA,UAAI2J,GAAG,CAACgU,gBAAJ,CAAqBtT,KAArB,CAAJ,EAAiC;AAC/B,eAAOV,GAAG,CAACiU,cAAJ,CAAmBvT,KAAnB,CAAP;AACD;AACF;;AAED,WAAO1G,SAAP;AACD;AAED;;;;;;MAIOga,gB,GAAP,0BAAyBtT,KAAzB,EAAgC;AAC9B,WAAQA,KAAK,IAAIA,KAAK,CAAC9L,GAAN,KAAc,MAAvB,IAAiC8L,KAAK,CAACwT,IAAN,KAAe,8CAAxD;AACD,G;;MAEMC,a,GAAP,uBAAsBxf,IAAtB,EAA4B;AAC1B;;;;;AAKA,QAAMmH,IAAI,GAAGsY,MAAM,CAACC,YAAP,CAAoB1f,IAAI,CAAC,CAAD,CAAxB,EAA6BA,IAAI,CAAC,CAAD,CAAjC,EAAsCA,IAAI,CAAC,CAAD,CAA1C,EAA+CA,IAAI,CAAC,CAAD,CAAnD,CAAb;;AACA,QAAMmO,IAAI,GAAG9C,GAAG,CAAC6T,SAAJ,CAAclf,IAAd,EAAoB,CAApB,CAAb,CAP0B,CAS1B;;;AACA,QAAI8C,MAAM,GAAG,EAAb;AAEA,WAAO;AAAEqE,UAAI,EAAJA,IAAF;AAAQgH,UAAI,EAAJA,IAAR;AAAcnO,UAAI,EAAEA,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBA,MAAM,GAAGqL,IAA/B;AAApB,KAAP;AACD;AAED;;;;;;;MAKOiR,Y,GAAP,sBAAqBhU,OAArB,EAA8B;AAC5B,QAAItI,MAAM,GAAG,CAAb;AACA,QAAMqc,MAAM,GAAG,EAAf;;AAEA,WAAO9T,GAAG,CAACrC,QAAJ,CAAaoC,OAAb,EAAsBtI,MAAtB,CAAP,EAAsC;AACpC,UAAMqL,IAAI,GAAG9C,GAAG,CAAC6T,SAAJ,CAAc9T,OAAd,EAAuBtI,MAAM,GAAG,CAAhC,CAAb,CADoC,CAEpC;;;AACAA,YAAM,IAAI,EAAV;AACA,UAAM6c,GAAG,GAAG7c,MAAM,GAAGqL,IAArB,CAJoC,CAKpC;;AACA,aAAOrL,MAAM,GAAG,CAAT,GAAa6c,GAApB,EAAyB;AACvB,YAAMC,SAAS,GAAGvU,GAAG,CAACmU,aAAJ,CAAkBpU,OAAO,CAACnB,QAAR,CAAiBnH,MAAjB,CAAlB,CAAlB;;AACA,YAAMiJ,KAAK,GAAGV,GAAG,CAACwU,YAAJ,CAAiBD,SAAjB,CAAd;;AACA,YAAI7T,KAAJ,EAAW;AACToT,gBAAM,CAAC/U,IAAP,CAAY2B,KAAZ;AACD,SALsB,CAOvB;;;AACAjJ,cAAM,IAAI8c,SAAS,CAACzR,IAAV,GAAiB,EAA3B;AACD;;AAED,UAAI9C,GAAG,CAAC2T,QAAJ,CAAa5T,OAAb,EAAsBtI,MAAtB,CAAJ,EAAmC;AACjCA,cAAM,IAAI,EAAV;AACD;AACF;;AAED,WAAOqc,MAAP;AACD,G;;MAEMU,Y,GAAP,sBAAqB9T,KAArB,EAA4B;AAC1B,QAAIA,KAAK,CAAC5E,IAAN,KAAe,MAAnB,EAA2B;AACzB,aAAOkE,GAAG,CAACyU,gBAAJ,CAAqB/T,KAArB,CAAP;AACD,KAFD,MAEO,IAAIA,KAAK,CAAC5E,IAAN,CAAW,CAAX,MAAkB,GAAtB,EAA2B;AAChC,aAAOkE,GAAG,CAAC0U,gBAAJ,CAAqBhU,KAArB,CAAP;AACD,KAFM,MAEA,IAAIA,KAAK,CAAC5E,IAAN,CAAW,CAAX,MAAkB,GAAtB,EAA2B;AAChC,aAAOkE,GAAG,CAAC2U,eAAJ,CAAoBjU,KAApB,CAAP;AACD;;AAED,WAAO1G,SAAP;AACD,G;;MAEMia,c,GAAP,wBAAuBW,cAAvB,EAAuC;AACrC,QAAIA,cAAc,CAACjgB,IAAf,CAAoBS,UAApB,KAAmC,CAAvC,EAA0C;AACxC,UAAMT,IAAI,GAAG,IAAI0N,UAAJ,CAAeuS,cAAc,CAACjgB,IAA9B,CAAb,CADwC,CAExC;AACA;;AACA,UAAMkgB,QAAQ,GAAGlgB,IAAI,CAAC,CAAD,CAAJ,GAAU,GAA3B;AACA,UAAI4L,SAAS,GAAG,CAAC5L,IAAI,CAAC,CAAD,CAAJ,IAAW,EAAZ,KACCA,IAAI,CAAC,CAAD,CAAJ,IAAW,EADZ,KAECA,IAAI,CAAC,CAAD,CAAJ,IAAW,CAFZ,IAGCA,IAAI,CAAC,CAAD,CAHrB;AAIA4L,eAAS,IAAI,EAAb;;AAEA,UAAIsU,QAAJ,EAAc;AACZtU,iBAAS,IAAI,WAAb;AACD,OAbuC,CAatC;;;AAEF,aAAOgC,IAAI,CAAC6J,KAAL,CAAW7L,SAAX,CAAP;AACD;;AAED,WAAOvG,SAAP;AACD,G;;MAEMya,gB,GAAP,0BAAyB/T,KAAzB,EAAgC;AAC9B;;;AAGA,QAAIA,KAAK,CAACoC,IAAN,GAAa,CAAjB,EAAoB;AAClB,aAAO9I,SAAP;AACD;;AAED,QAAM8a,KAAK,GAAG9U,GAAG,CAAC+U,eAAJ,CAAoBrU,KAAK,CAAC/L,IAA1B,EAAgC,IAAhC,CAAd;;AACA,QAAMqgB,WAAW,GAAG,IAAI3S,UAAJ,CAAe3B,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoBkW,KAAK,CAACpd,MAAN,GAAe,CAAnC,CAAf,CAApB;AAEA,WAAO;AAAE9C,SAAG,EAAE8L,KAAK,CAAC5E,IAAb;AAAmBoY,UAAI,EAAEY,KAAzB;AAAgCngB,UAAI,EAAEqgB,WAAW,CAAC9f;AAAlD,KAAP;AACD,G;;MAEMwf,gB,GAAP,0BAAyBhU,KAAzB,EAAgC;AAC9B,QAAIA,KAAK,CAACoC,IAAN,GAAa,CAAjB,EAAoB;AAClB,aAAO9I,SAAP;AACD;;AAED,QAAI0G,KAAK,CAAC5E,IAAN,KAAe,MAAnB,EAA2B;AACzB;;;;;AAKA,UAAImZ,KAAK,GAAG,CAAZ;;AACA,UAAMC,WAAW,GAAGlV,GAAG,CAAC+U,eAAJ,CAAoBrU,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoBqW,KAApB,CAApB,EAAgD,IAAhD,CAApB;;AAEAA,WAAK,IAAIC,WAAW,CAACxd,MAAZ,GAAqB,CAA9B;;AACA,UAAM0X,KAAK,GAAGpP,GAAG,CAAC+U,eAAJ,CAAoBrU,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoBqW,KAApB,CAApB,CAAd;;AAEA,aAAO;AAAErgB,WAAG,EAAE8L,KAAK,CAAC5E,IAAb;AAAmBoY,YAAI,EAAEgB,WAAzB;AAAsCvgB,YAAI,EAAEya;AAA5C,OAAP;AACD,KAbD,MAaO;AACL;;;;;AAKA,UAAM7H,IAAI,GAAGvH,GAAG,CAAC+U,eAAJ,CAAoBrU,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoB,CAApB,CAApB,CAAb;;AACA,aAAO;AAAEhK,WAAG,EAAE8L,KAAK,CAAC5E,IAAb;AAAmBnH,YAAI,EAAE4S;AAAzB,OAAP;AACD;AACF,G;;MAEMoN,e,GAAP,yBAAwBjU,KAAxB,EAA+B;AAC7B,QAAIA,KAAK,CAAC5E,IAAN,KAAe,MAAnB,EAA2B;AACzB;;;;;AAKA,UAAI4E,KAAK,CAACoC,IAAN,GAAa,CAAjB,EAAoB;AAClB,eAAO9I,SAAP;AACD;;AAED,UAAIib,KAAK,GAAG,CAAZ;;AACA,UAAMC,WAAW,GAAGlV,GAAG,CAAC+U,eAAJ,CAAoBrU,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoBqW,KAApB,CAApB,CAApB;;AAEAA,WAAK,IAAIC,WAAW,CAACxd,MAAZ,GAAqB,CAA9B;;AACA,UAAM0X,KAAK,GAAGpP,GAAG,CAAC+U,eAAJ,CAAoBrU,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoBqW,KAApB,CAApB,CAAd;;AAEA,aAAO;AAAErgB,WAAG,EAAE8L,KAAK,CAAC5E,IAAb;AAAmBoY,YAAI,EAAEgB,WAAzB;AAAsCvgB,YAAI,EAAEya;AAA5C,OAAP;AACD,KAjBD,MAiBO;AACL;;;;AAIA,UAAM+F,GAAG,GAAGnV,GAAG,CAAC+U,eAAJ,CAAoBrU,KAAK,CAAC/L,IAA1B,CAAZ;;AACA,aAAO;AAAEC,WAAG,EAAE8L,KAAK,CAAC5E,IAAb;AAAmBnH,YAAI,EAAEwgB;AAAzB,OAAP;AACD;AACF,G,CAED;AACA;;AACA;;;;;;;;;MAOOJ,e,GAAP,yBAAwB5F,KAAxB,EAA+BiG,UAA/B,EAAmD;AAAA,QAApBA,UAAoB;AAApBA,gBAAoB,GAAP,KAAO;AAAA;;AACjD,QAAMC,OAAO,GAAGC,cAAc,EAA9B;;AACA,QAAID,OAAJ,EAAa;AACX,UAAME,OAAO,GAAGF,OAAO,CAACG,MAAR,CAAerG,KAAf,CAAhB;;AAEA,UAAIiG,UAAJ,EAAgB;AACd;AACA,YAAMK,GAAG,GAAGF,OAAO,CAACnY,OAAR,CAAgB,IAAhB,CAAZ;AACA,eAAOqY,GAAG,KAAK,CAAC,CAAT,GAAaF,OAAO,CAACG,SAAR,CAAkB,CAAlB,EAAqBD,GAArB,CAAb,GAAyCF,OAAhD;AACD,OAPU,CASX;;;AACA,aAAOA,OAAO,CAACI,OAAR,CAAgB,KAAhB,EAAuB,EAAvB,CAAP;AACD;;AAED,QAAM/V,GAAG,GAAGuP,KAAK,CAACzX,MAAlB;AACA,QAAIke,CAAJ;AACA,QAAIC,KAAJ;AACA,QAAIC,KAAJ;AACA,QAAIC,GAAG,GAAG,EAAV;AACA,QAAI1f,CAAC,GAAG,CAAR;;AACA,WAAOA,CAAC,GAAGuJ,GAAX,EAAgB;AACdgW,OAAC,GAAGzG,KAAK,CAAC9Y,CAAC,EAAF,CAAT;;AACA,UAAIuf,CAAC,KAAK,IAAN,IAAcR,UAAlB,EAA8B;AAC5B,eAAOW,GAAP;AACD,OAFD,MAEO,IAAIH,CAAC,KAAK,IAAN,IAAcA,CAAC,KAAK,IAAxB,EAA8B;AACnC;AACA;AACD;;AACD,cAAQA,CAAC,IAAI,CAAb;AACA,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AACtD;AACAG,aAAG,IAAI3B,MAAM,CAACC,YAAP,CAAoBuB,CAApB,CAAP;AACA;;AACF,aAAK,EAAL;AAAS,aAAK,EAAL;AACP;AACAC,eAAK,GAAG1G,KAAK,CAAC9Y,CAAC,EAAF,CAAb;AACA0f,aAAG,IAAI3B,MAAM,CAACC,YAAP,CAAqB,CAACuB,CAAC,GAAG,IAAL,KAAc,CAAf,GAAqBC,KAAK,GAAG,IAAjD,CAAP;AACA;;AACF,aAAK,EAAL;AACE;AACAA,eAAK,GAAG1G,KAAK,CAAC9Y,CAAC,EAAF,CAAb;AACAyf,eAAK,GAAG3G,KAAK,CAAC9Y,CAAC,EAAF,CAAb;AACA0f,aAAG,IAAI3B,MAAM,CAACC,YAAP,CAAqB,CAACuB,CAAC,GAAG,IAAL,KAAc,EAAf,GACd,CAACC,KAAK,GAAG,IAAT,KAAkB,CADJ,GAEd,CAACC,KAAK,GAAG,IAAT,KAAkB,CAFxB,CAAP;AAGA;;AACF;AAlBA;AAoBD;;AACD,WAAOC,GAAP;AACD,G;;;;;AAGH,IAAIV,OAAJ;;AAEA,SAASC,cAAT,GAA2B;AACzB,MAAMrb,MAAM,GAAGC,0EAAY,EAA3B,CADyB,CACM;;AAC/B,MAAI,CAACmb,OAAD,IAAY,OAAOpb,MAAM,CAAC+b,WAAd,KAA8B,WAA9C,EAA2D;AACzDX,WAAO,GAAG,IAAIpb,MAAM,CAAC+b,WAAX,CAAuB,OAAvB,CAAV;AACD;;AAED,SAAOX,OAAP;AACD;;AAED,IAAM3G,cAAc,GAAG1O,GAAG,CAAC+U,eAA3B;AAEe/U,kEAAf;;;;;;;;;;;;;AC5WA;AAAA;AAAA;AAAA;;;AAGA;AACA;AAEA,IAAMiW,UAAU,GAAG1T,IAAI,CAAC2T,GAAL,CAAS,CAAT,EAAY,EAAZ,IAAkB,CAArC;;IAEM/D,U;;;AACJ,sBAAa/X,QAAb,EAAuB8E,OAAvB,EAAgC;AAC9B,SAAK9E,QAAL,GAAgBA,QAAhB;AACA,SAAK8E,OAAL,GAAeA,OAAf;AACD;;;;SAEDY,c,GAAA,wBAAgBqW,OAAhB,EAAyB;AACvB,SAAKA,OAAL,GAAeA,OAAf;AACD,G;;SAEDhX,gB,GAAA,0BAAkBC,WAAlB,EAA+B7C,UAA/B,EAA2C8C,UAA3C,EAAuDC,QAAvD,EAAiE;AAC/D;AACA,QAAIF,WAAW,IAAIA,WAAW,CAAChK,UAA/B,EAA2C;AACzC,UAAMghB,QAAQ,GAAG,KAAKA,QAAL,GAAgBjE,UAAU,CAACkE,gBAAX,CAA4BjX,WAA5B,CAAjC,CADyC,CAGzC;AACA;;AACA,UAAI7C,UAAU,IAAI,IAAlB,EAAwB;AACtBA,kBAAU,GAAG,WAAb;AACD;;AAED,UAAI8C,UAAU,IAAI,IAAlB,EAAwB;AACtBA,kBAAU,GAAG,aAAb;AACD;;AAED,UAAMiX,MAAM,GAAG,EAAf;;AACA,UAAIF,QAAQ,CAAC/O,KAAT,IAAkB+O,QAAQ,CAAChP,KAA/B,EAAsC;AACpCkP,cAAM,CAACC,UAAP,GAAoB;AAAE/W,mBAAS,EAAE,WAAb;AAA0BjC,eAAK,EAAEhB,UAAU,GAAG,GAAb,GAAmB8C,UAApD;AAAgED,qBAAW,EAAEE,QAAQ,GAAGF,WAAH,GAAiB;AAAtG,SAApB;AACD,OAFD,MAEO;AACL,YAAIgX,QAAQ,CAAC/O,KAAb,EAAoB;AAClBiP,gBAAM,CAACjP,KAAP,GAAe;AAAE7H,qBAAS,EAAE,WAAb;AAA0BjC,iBAAK,EAAEhB,UAAjC;AAA6C6C,uBAAW,EAAEE,QAAQ,GAAGF,WAAH,GAAiB;AAAnF,WAAf;AACD;;AAED,YAAIgX,QAAQ,CAAChP,KAAb,EAAoB;AAClBkP,gBAAM,CAAClP,KAAP,GAAe;AAAE5H,qBAAS,EAAE,WAAb;AAA0BjC,iBAAK,EAAE8B,UAAjC;AAA6CD,uBAAW,EAAEE,QAAQ,GAAGF,WAAH,GAAiB;AAAnF,WAAf;AACD;AACF;;AACD,WAAKhF,QAAL,CAAcuB,OAAd,CAAsBC,+CAAK,CAACyX,yBAA5B,EAAuD;AAAEiD,cAAM,EAANA;AAAF,OAAvD;AACD,KA1BD,MA0BO;AACL,UAAI/Z,UAAJ,EAAgB;AACd,aAAKA,UAAL,GAAkBA,UAAlB;AACD;;AAED,UAAI8C,UAAJ,EAAgB;AACd,aAAKA,UAAL,GAAkBA,UAAlB;AACD;AACF;AACF,G;;aAEMzB,K,GAAP,eAAcjJ,IAAd,EAAoB;AAClB;AACA,WAAOwd,UAAU,CAACqE,OAAX,CAAmB;AAAE7hB,UAAI,EAAEA,IAAR;AAAckU,WAAK,EAAE,CAArB;AAAwByL,SAAG,EAAE/R,IAAI,CAACC,GAAL,CAAS7N,IAAI,CAAC+C,MAAd,EAAsB,KAAtB;AAA7B,KAAnB,EAAgF,CAAC,MAAD,CAAhF,EAA0FA,MAA1F,GAAmG,CAA1G;AACD,G;;aAEM+e,O,GAAP,iBAAgBvhB,MAAhB,EAAwB;AACtB,WAAOkf,MAAM,CAACC,YAAP,CAAoBqC,KAApB,CAA0B,IAA1B,EAAgCxhB,MAAhC,CAAP;AACD,G;;aAEMyhB,U,GAAP,oBAAmBzhB,MAAnB,EAA2BuC,MAA3B,EAAmC;AACjC,QAAIvC,MAAM,CAACP,IAAX,EAAiB;AACf8C,YAAM,IAAIvC,MAAM,CAAC2T,KAAjB;AACA3T,YAAM,GAAGA,MAAM,CAACP,IAAhB;AACD;;AAED,QAAMiiB,GAAG,GAAG1hB,MAAM,CAACuC,MAAD,CAAN,IAAkB,CAAlB,GACAvC,MAAM,CAACuC,MAAM,GAAG,CAAV,CADlB;AAGA,WAAOmf,GAAG,GAAG,CAAN,GAAU,QAAQA,GAAlB,GAAwBA,GAA/B;AACD,G;;aAEMC,U,GAAP,oBAAmB3hB,MAAnB,EAA2BuC,MAA3B,EAAmC;AACjC,QAAIvC,MAAM,CAACP,IAAX,EAAiB;AACf8C,YAAM,IAAIvC,MAAM,CAAC2T,KAAjB;AACA3T,YAAM,GAAGA,MAAM,CAACP,IAAhB;AACD;;AAED,QAAMiiB,GAAG,GAAG1hB,MAAM,CAACuC,MAAD,CAAN,IAAkB,EAAlB,GACAvC,MAAM,CAACuC,MAAM,GAAG,CAAV,CAAN,IAAsB,EADtB,GAEAvC,MAAM,CAACuC,MAAM,GAAG,CAAV,CAAN,IAAsB,CAFtB,GAGAvC,MAAM,CAACuC,MAAM,GAAG,CAAV,CAHlB;AAIA,WAAOmf,GAAG,GAAG,CAAN,GAAU,aAAaA,GAAvB,GAA6BA,GAApC;AACD,G;;aAEME,W,GAAP,qBAAoB5hB,MAApB,EAA4BuC,MAA5B,EAAoC2X,KAApC,EAA2C;AACzC,QAAIla,MAAM,CAACP,IAAX,EAAiB;AACf8C,YAAM,IAAIvC,MAAM,CAAC2T,KAAjB;AACA3T,YAAM,GAAGA,MAAM,CAACP,IAAhB;AACD;;AACDO,UAAM,CAACuC,MAAD,CAAN,GAAiB2X,KAAK,IAAI,EAA1B;AACAla,UAAM,CAACuC,MAAM,GAAG,CAAV,CAAN,GAAsB2X,KAAK,IAAI,EAAV,GAAgB,IAArC;AACAla,UAAM,CAACuC,MAAM,GAAG,CAAV,CAAN,GAAsB2X,KAAK,IAAI,CAAV,GAAe,IAApC;AACAla,UAAM,CAACuC,MAAM,GAAG,CAAV,CAAN,GAAqB2X,KAAK,GAAG,IAA7B;AACD,G,CAED;;;aACOoH,O,GAAP,iBAAgB7hB,IAAhB,EAAsBoiB,IAAtB,EAA4B;AAC1B,QAAIC,OAAO,GAAG,EAAd;AAAA,QACE3gB,CADF;AAAA,QACKyM,IADL;AAAA,QACWhH,IADX;AAAA,QACiBwY,GADjB;AAAA,QACsB2C,UADtB;AAAA,QACkCpO,KADlC;AAAA,QACyCqO,MADzC;;AAGA,QAAIviB,IAAI,CAACA,IAAT,EAAe;AACbkU,WAAK,GAAGlU,IAAI,CAACkU,KAAb;AACAyL,SAAG,GAAG3f,IAAI,CAAC2f,GAAX;AACA3f,UAAI,GAAGA,IAAI,CAACA,IAAZ;AACD,KAJD,MAIO;AACLkU,WAAK,GAAG,CAAR;AACAyL,SAAG,GAAG3f,IAAI,CAACS,UAAX;AACD;;AAED,QAAI,CAAC2hB,IAAI,CAACrf,MAAV,EAAkB;AAChB;AACA,aAAO,IAAP;AACD;;AAED,SAAKrB,CAAC,GAAGwS,KAAT,EAAgBxS,CAAC,GAAGie,GAApB,GAA0B;AACxBxR,UAAI,GAAGqP,UAAU,CAAC0E,UAAX,CAAsBliB,IAAtB,EAA4B0B,CAA5B,CAAP;AACAyF,UAAI,GAAGqW,UAAU,CAACsE,OAAX,CAAmB9hB,IAAI,CAACiK,QAAL,CAAcvI,CAAC,GAAG,CAAlB,EAAqBA,CAAC,GAAG,CAAzB,CAAnB,CAAP;AACA6gB,YAAM,GAAGpU,IAAI,GAAG,CAAP,GAAWzM,CAAC,GAAGyM,IAAf,GAAsBwR,GAA/B;;AAEA,UAAIxY,IAAI,KAAKib,IAAI,CAAC,CAAD,CAAjB,EAAsB;AACpB,YAAIA,IAAI,CAACrf,MAAL,KAAgB,CAApB,EAAuB;AACrB;AACA;AACAsf,iBAAO,CAACjY,IAAR,CAAa;AAAEpK,gBAAI,EAAEA,IAAR;AAAckU,iBAAK,EAAExS,CAAC,GAAG,CAAzB;AAA4Bie,eAAG,EAAE4C;AAAjC,WAAb;AACD,SAJD,MAIO;AACL;AACAD,oBAAU,GAAG9E,UAAU,CAACqE,OAAX,CAAmB;AAAE7hB,gBAAI,EAAEA,IAAR;AAAckU,iBAAK,EAAExS,CAAC,GAAG,CAAzB;AAA4Bie,eAAG,EAAE4C;AAAjC,WAAnB,EAA8DH,IAAI,CAACvhB,KAAL,CAAW,CAAX,CAA9D,CAAb;;AACA,cAAIyhB,UAAU,CAACvf,MAAf,EAAuB;AACrBsf,mBAAO,GAAGA,OAAO,CAACG,MAAR,CAAeF,UAAf,CAAV;AACD;AACF;AACF;;AACD5gB,OAAC,GAAG6gB,MAAJ;AACD,KArCyB,CAuC1B;;;AACA,WAAOF,OAAP;AACD,G;;aAEMI,iB,GAAP,2BAA0BhY,WAA1B,EAAuC;AACrC,QAAMiY,IAAI,GAAGlF,UAAU,CAACqE,OAAX,CAAmBpX,WAAnB,EAAgC,CAAC,MAAD,CAAhC,EAA0C,CAA1C,CAAb;AACA,QAAMkY,aAAa,GAAGD,IAAI,GAAGA,IAAI,CAAC/C,GAAR,GAAc,IAAxC,CAFqC,CAES;;AAE9C,QAAIW,KAAK,GAAG,CAAZ;AACA,QAAIsC,IAAI,GAAGpF,UAAU,CAACqE,OAAX,CAAmBpX,WAAnB,EAAgC,CAAC,MAAD,CAAhC,CAAX;AACA,QAAIoY,UAAJ;;AAEA,QAAI,CAACD,IAAD,IAAS,CAACA,IAAI,CAAC,CAAD,CAAlB,EAAuB;AACrB,aAAO,IAAP;AACD;;AAEDC,cAAU,GAAG,EAAb;AACAD,QAAI,GAAGA,IAAI,CAAC,CAAD,CAAX;AAEA,QAAME,OAAO,GAAGF,IAAI,CAAC5iB,IAAL,CAAU,CAAV,CAAhB,CAfqC,CAiBrC;;AACAsgB,SAAK,GAAGwC,OAAO,KAAK,CAAZ,GAAgB,CAAhB,GAAoB,EAA5B;AAEA,QAAMC,SAAS,GAAGvF,UAAU,CAAC0E,UAAX,CAAsBU,IAAtB,EAA4BtC,KAA5B,CAAlB;AACAA,SAAK,IAAI,CAAT,CArBqC,CAuBrC;AACA;;AACA,QAAI0C,wBAAwB,GAAG,CAA/B;AACA,QAAIC,WAAW,GAAG,CAAlB;;AAEA,QAAIH,OAAO,KAAK,CAAhB,EAAmB;AACjBxC,WAAK,IAAI,CAAT;AACD,KAFD,MAEO;AACLA,WAAK,IAAI,EAAT;AACD,KAhCoC,CAkCrC;;;AACAA,SAAK,IAAI,CAAT;AAEA,QAAI4C,SAAS,GAAGN,IAAI,CAACjD,GAAL,GAAWsD,WAA3B;AAEA,QAAME,eAAe,GAAG3F,UAAU,CAACwE,UAAX,CAAsBY,IAAtB,EAA4BtC,KAA5B,CAAxB;AACAA,SAAK,IAAI,CAAT;;AAEA,SAAK,IAAI5e,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGyhB,eAApB,EAAqCzhB,CAAC,EAAtC,EAA0C;AACxC,UAAI0hB,cAAc,GAAG9C,KAArB;AAEA,UAAM+C,aAAa,GAAG7F,UAAU,CAAC0E,UAAX,CAAsBU,IAAtB,EAA4BQ,cAA5B,CAAtB;AACAA,oBAAc,IAAI,CAAlB;AAEA,UAAME,aAAa,GAAGD,aAAa,GAAG,UAAtC;AACA,UAAME,aAAa,GAAG,CAACF,aAAa,GAAG,UAAjB,MAAiC,EAAvD;;AAEA,UAAIE,aAAa,KAAK,CAAtB,EAAyB;AACvBC,eAAO,CAACpQ,IAAR,CAAa,kDAAb;AACA;AACD;;AAED,UAAMqQ,kBAAkB,GAAGjG,UAAU,CAAC0E,UAAX,CAAsBU,IAAtB,EAA4BQ,cAA5B,CAA3B;AACAA,oBAAc,IAAI,CAAlB;AAEAP,gBAAU,CAACzY,IAAX,CAAgB;AACdkZ,qBAAa,EAAbA,aADc;AAEdG,0BAAkB,EAAlBA,kBAFc;AAEM;AACpBlE,YAAI,EAAE;AACJ5U,kBAAQ,EAAE8Y,kBAAkB,GAAGV,SAD3B;AAEJ7O,eAAK,EAAEgP,SAFH;AAGJvD,aAAG,EAAEuD,SAAS,GAAGI,aAAZ,GAA4B;AAH7B;AAHQ,OAAhB;AAUAJ,eAAS,IAAII,aAAb,CA3BwC,CA6BxC;AACA;;AACAF,oBAAc,IAAI,CAAlB,CA/BwC,CAiCxC;;AACA9C,WAAK,GAAG8C,cAAR;AACD;;AAED,WAAO;AACLJ,8BAAwB,EAAxBA,wBADK;AAELD,eAAS,EAATA,SAFK;AAGLD,aAAO,EAAPA,OAHK;AAILK,qBAAe,EAAfA,eAJK;AAKLN,gBAAU,EAAVA,UALK;AAMLF,mBAAa,EAAbA;AANK,KAAP;AAQD;AAED;;;;;;;;;;;;;;;;;;;;;aAmBOjB,gB,GAAP,0BAAyBjX,WAAzB,EAAsC;AACpC,QAAI5D,MAAM,GAAG,EAAb;AACA,QAAI6c,KAAK,GAAGlG,UAAU,CAACqE,OAAX,CAAmBpX,WAAnB,EAAgC,CAAC,MAAD,EAAS,MAAT,CAAhC,CAAZ;AAEAiZ,SAAK,CAAClL,OAAN,CAAc,UAAAmL,IAAI,EAAI;AACpB,UAAMC,IAAI,GAAGpG,UAAU,CAACqE,OAAX,CAAmB8B,IAAnB,EAAyB,CAAC,MAAD,CAAzB,EAAmC,CAAnC,CAAb;;AACA,UAAIC,IAAJ,EAAU;AACR,YAAId,OAAO,GAAGc,IAAI,CAAC5jB,IAAL,CAAU4jB,IAAI,CAAC1P,KAAf,CAAd;AACA,YAAIoM,KAAK,GAAGwC,OAAO,KAAK,CAAZ,GAAgB,EAAhB,GAAqB,EAAjC;AACA,YAAIe,OAAO,GAAGrG,UAAU,CAAC0E,UAAX,CAAsB0B,IAAtB,EAA4BtD,KAA5B,CAAd;AAEA,YAAMwD,IAAI,GAAGtG,UAAU,CAACqE,OAAX,CAAmB8B,IAAnB,EAAyB,CAAC,MAAD,EAAS,MAAT,CAAzB,EAA2C,CAA3C,CAAb;;AACA,YAAIG,IAAJ,EAAU;AACRhB,iBAAO,GAAGgB,IAAI,CAAC9jB,IAAL,CAAU8jB,IAAI,CAAC5P,KAAf,CAAV;AACAoM,eAAK,GAAGwC,OAAO,KAAK,CAAZ,GAAgB,EAAhB,GAAqB,EAA7B;AACA,cAAMC,SAAS,GAAGvF,UAAU,CAAC0E,UAAX,CAAsB4B,IAAtB,EAA4BxD,KAA5B,CAAlB;AAEA,cAAMyD,IAAI,GAAGvG,UAAU,CAACqE,OAAX,CAAmB8B,IAAnB,EAAyB,CAAC,MAAD,EAAS,MAAT,CAAzB,EAA2C,CAA3C,CAAb;;AACA,cAAII,IAAJ,EAAU;AACR,gBAAMC,QAAQ,GAAGxG,UAAU,CAACsE,OAAX,CAAmBiC,IAAI,CAAC/jB,IAAL,CAAUiK,QAAV,CAAmB8Z,IAAI,CAAC7P,KAAL,GAAa,CAAhC,EAAmC6P,IAAI,CAAC7P,KAAL,GAAa,EAAhD,CAAnB,CAAjB;AACA,gBAAI/M,IAAI,GAAG;AAAE,sBAAQ,OAAV;AAAmB,sBAAQ;AAA3B,cAAqC6c,QAArC,CAAX;;AACA,gBAAI7c,IAAJ,EAAU;AACR;AACA,kBAAI8c,QAAQ,GAAGzG,UAAU,CAACqE,OAAX,CAAmB8B,IAAnB,EAAyB,CAAC,MAAD,EAAS,MAAT,EAAiB,MAAjB,EAAyB,MAAzB,CAAzB,CAAf;;AACA,kBAAIM,QAAQ,CAAClhB,MAAb,EAAqB;AACnBkhB,wBAAQ,GAAGA,QAAQ,CAAC,CAAD,CAAnB;AACA,oBAAIC,SAAS,GAAG1G,UAAU,CAACsE,OAAX,CAAmBmC,QAAQ,CAACjkB,IAAT,CAAciK,QAAd,CAAuBga,QAAQ,CAAC/P,KAAT,GAAiB,EAAxC,EAA4C+P,QAAQ,CAAC/P,KAAT,GAAiB,EAA7D,CAAnB,CAAhB;AACA9N,oEAAM,CAACC,GAAP,iBAAyBc,IAAzB,SAAiC+c,SAAjC;AACD;;AACDrd,oBAAM,CAACgd,OAAD,CAAN,GAAkB;AAAEd,yBAAS,EAAEA,SAAb;AAAwB5b,oBAAI,EAAEA;AAA9B,eAAlB;AACAN,oBAAM,CAACM,IAAD,CAAN,GAAe;AAAE4b,yBAAS,EAAEA,SAAb;AAAwBjY,kBAAE,EAAE+Y;AAA5B,eAAf;AACD;AACF;AACF;AACF;AACF,KA/BD;AAgCA,WAAOhd,MAAP;AACD;AAED;;;;;;;;;;;;;;;;;;aAgBOsd,W,GAAP,qBAAoB1C,QAApB,EAA8B2C,QAA9B,EAAwC;AACtC,QAAIC,KAAJ,EAAWC,SAAX,EAAsBzd,MAAtB,CADsC,CAGtC;;AACAwd,SAAK,GAAG7G,UAAU,CAACqE,OAAX,CAAmBuC,QAAnB,EAA6B,CAAC,MAAD,EAAS,MAAT,CAA7B,CAAR,CAJsC,CAMtC;;AACAE,aAAS,GAAG,GAAG9B,MAAH,CAAUT,KAAV,CAAgB,EAAhB,EAAoBsC,KAAK,CAACE,GAAN,CAAU,UAAUC,IAAV,EAAgB;AACxD,aAAOhH,UAAU,CAACqE,OAAX,CAAmB2C,IAAnB,EAAyB,CAAC,MAAD,CAAzB,EAAmCD,GAAnC,CAAuC,UAAUE,IAAV,EAAgB;AAC5D,YAAI3Z,EAAJ,EAAQ4Z,KAAR,EAAeC,QAAf,CAD4D,CAG5D;;AACA7Z,UAAE,GAAG0S,UAAU,CAAC0E,UAAX,CAAsBuC,IAAtB,EAA4B,CAA5B,CAAL,CAJ4D,CAK5D;;AACAC,aAAK,GAAGjD,QAAQ,CAAC3W,EAAD,CAAR,CAAaiY,SAAb,IAA0B,IAAlC,CAN4D,CAQ5D;;AACA4B,gBAAQ,GAAGnH,UAAU,CAACqE,OAAX,CAAmB2C,IAAnB,EAAyB,CAAC,MAAD,CAAzB,EAAmCD,GAAnC,CAAuC,UAAUK,IAAV,EAAgB;AAChE,cAAI9B,OAAJ,EAAajc,MAAb;AAEAic,iBAAO,GAAG8B,IAAI,CAAC5kB,IAAL,CAAU4kB,IAAI,CAAC1Q,KAAf,CAAV;AACArN,gBAAM,GAAG2W,UAAU,CAAC0E,UAAX,CAAsB0C,IAAtB,EAA4B,CAA5B,CAAT;;AACA,cAAI9B,OAAO,KAAK,CAAhB,EAAmB;AACjBjc,kBAAM,IAAI+G,IAAI,CAAC2T,GAAL,CAAS,CAAT,EAAY,EAAZ,CAAV;AAEA1a,kBAAM,IAAI2W,UAAU,CAAC0E,UAAX,CAAsB0C,IAAtB,EAA4B,CAA5B,CAAV;AACD;;AACD,iBAAO/d,MAAP;AACD,SAXU,EAWR,CAXQ,CAAX,CAT4D,CAqB5D;;AACA,eAAO8d,QAAQ,GAAGD,KAAlB;AACD,OAvBM,CAAP;AAwBD,KAzB+B,CAApB,CAAZ,CAPsC,CAkCtC;;AACA7d,UAAM,GAAG+G,IAAI,CAACC,GAAL,CAASkU,KAAT,CAAe,IAAf,EAAqBuC,SAArB,CAAT;AACA,WAAOO,QAAQ,CAAChe,MAAD,CAAR,GAAmBA,MAAnB,GAA4B,CAAnC;AACD,G;;aAEMie,c,GAAP,wBAAuBrD,QAAvB,EAAiC2C,QAAjC,EAA2C3Y,UAA3C,EAAuD;AACrD+R,cAAU,CAACqE,OAAX,CAAmBuC,QAAnB,EAA6B,CAAC,MAAD,EAAS,MAAT,CAA7B,EAA+CG,GAA/C,CAAmD,UAAUC,IAAV,EAAgB;AACjE,aAAOhH,UAAU,CAACqE,OAAX,CAAmB2C,IAAnB,EAAyB,CAAC,MAAD,CAAzB,EAAmCD,GAAnC,CAAuC,UAAUE,IAAV,EAAgB;AAC9D;AACE,YAAI3Z,EAAE,GAAG0S,UAAU,CAAC0E,UAAX,CAAsBuC,IAAtB,EAA4B,CAA5B,CAAT,CAF4D,CAG5D;;AACA,YAAI1B,SAAS,GAAGtB,QAAQ,CAAC3W,EAAD,CAAR,CAAaiY,SAAb,IAA0B,IAA1C,CAJ4D,CAM5D;;AACAvF,kBAAU,CAACqE,OAAX,CAAmB2C,IAAnB,EAAyB,CAAC,MAAD,CAAzB,EAAmCD,GAAnC,CAAuC,UAAUK,IAAV,EAAgB;AACrD,cAAI9B,OAAO,GAAG8B,IAAI,CAAC5kB,IAAL,CAAU4kB,IAAI,CAAC1Q,KAAf,CAAd;AACA,cAAI6Q,mBAAmB,GAAGvH,UAAU,CAAC0E,UAAX,CAAsB0C,IAAtB,EAA4B,CAA5B,CAA1B;;AACA,cAAI9B,OAAO,KAAK,CAAhB,EAAmB;AACjBtF,sBAAU,CAAC2E,WAAX,CAAuByC,IAAvB,EAA6B,CAA7B,EAAgCG,mBAAmB,GAAGtZ,UAAU,GAAGsX,SAAnE;AACD,WAFD,MAEO;AACLgC,+BAAmB,IAAInX,IAAI,CAAC2T,GAAL,CAAS,CAAT,EAAY,EAAZ,CAAvB;AACAwD,+BAAmB,IAAIvH,UAAU,CAAC0E,UAAX,CAAsB0C,IAAtB,EAA4B,CAA5B,CAAvB;AACAG,+BAAmB,IAAItZ,UAAU,GAAGsX,SAApC;AACAgC,+BAAmB,GAAGnX,IAAI,CAACoX,GAAL,CAASD,mBAAT,EAA8B,CAA9B,CAAtB;AACA,gBAAME,KAAK,GAAGrX,IAAI,CAACkE,KAAL,CAAWiT,mBAAmB,IAAIzD,UAAU,GAAG,CAAjB,CAA9B,CAAd;AACA,gBAAM4D,KAAK,GAAGtX,IAAI,CAACkE,KAAL,CAAWiT,mBAAmB,IAAIzD,UAAU,GAAG,CAAjB,CAA9B,CAAd;AACA9D,sBAAU,CAAC2E,WAAX,CAAuByC,IAAvB,EAA6B,CAA7B,EAAgCK,KAAhC;AACAzH,sBAAU,CAAC2E,WAAX,CAAuByC,IAAvB,EAA6B,CAA7B,EAAgCM,KAAhC;AACD;AACF,SAfD;AAgBD,OAvBM,CAAP;AAwBD,KAzBD;AA0BD,G,CAED;;;SACA1Z,M,GAAA,gBAAQxL,IAAR,EAAcyL,UAAd,EAA0BC,UAA1B,EAAsCC,kBAAtC,EAA0D;AACxD,QAAI8V,QAAQ,GAAG,KAAKA,QAApB;;AACA,QAAI,CAACA,QAAL,EAAe;AACb,WAAKjX,gBAAL,CAAsBxK,IAAtB,EAA4B,KAAK4H,UAAjC,EAA6C,KAAK8C,UAAlD,EAA8D,KAA9D;AACA+W,cAAQ,GAAG,KAAKA,QAAhB;AACD;;AACD,QAAIzF,QAAJ;AAAA,QAAcwF,OAAO,GAAG,KAAKA,OAA7B;;AACA,QAAIA,OAAO,KAAKnc,SAAhB,EAA2B;AACzB,UAAI2W,SAAQ,GAAGwB,UAAU,CAAC2G,WAAX,CAAuB1C,QAAvB,EAAiCzhB,IAAjC,CAAf;;AACA,WAAKwhB,OAAL,GAAeA,OAAO,GAAGxF,SAAQ,GAAGvQ,UAApC;AACA,WAAKhG,QAAL,CAAcuB,OAAd,CAAsBC,+CAAK,CAAC4X,cAA5B,EAA4C;AAAE2C,eAAO,EAAEA;AAAX,OAA5C;AACD;;AACDhE,cAAU,CAACsH,cAAX,CAA0BrD,QAA1B,EAAoCzhB,IAApC,EAA0CwhB,OAA1C;AACAxF,YAAQ,GAAGwB,UAAU,CAAC2G,WAAX,CAAuB1C,QAAvB,EAAiCzhB,IAAjC,CAAX;AACA,SAAKuK,OAAL,CAAayB,KAAb,CAAmByV,QAAQ,CAAC/O,KAA5B,EAAmC+O,QAAQ,CAAChP,KAA5C,EAAmD,IAAnD,EAAyD,IAAzD,EAA+DuJ,QAA/D,EAAyEtQ,UAAzE,EAAqFC,kBAArF,EAAyG3L,IAAzG;AACD,G;;SAEDoF,O,GAAA,mBAAW,CAAE,C;;;;;AAGAoY,yEAAf,E;;;;;;;;;;;;AC9YA;AAAA;AAAA;AAAO,IAAKpW,UAAZ;AAaA;;;;;WAbYA,U;AAAAA,Y;AAAAA,Y;AAAAA,Y;AAAAA,Y;AAAAA,Y;GAAAA,U,KAAAA,U;;AAiBL,IAAKG,YAAZ;;WAAYA,Y;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;GAAAA,Y,KAAAA,Y;;;;;;;;;;;;;;;ACjBZ;;;;AAIA,IAAM4d,SAAS;AACb;AACAC,iBAAe,EAAE,mBAFJ;AAGb;AACAC,gBAAc,EAAE,kBAJH;AAKb;AACAC,iBAAe,EAAE,mBANJ;AAOb;AACAC,gBAAc,EAAE,kBARH;AASb;AACAC,cAAY,EAAE,gBAVD;AAWb;AACAC,eAAa,EAAE,iBAZF;AAab;AACAC,gBAAc,EAAE,kBAdH;AAeb;AACAC,kBAAgB,EAAE,oBAhBL;AAiBb;AACAC,iBAAe,EAAE,mBAlBJ;AAmBb;AACAC,YAAU,EAAE,cApBC;AAqBb;AACAC,iBAAe,EAAE,mBAtBJ;AAuBb;AACAC,gBAAc,EAAE,kBAxBH;AAyBb;AACAC,kBAAgB,EAAE,oBA1BL;AA2Bb;AACAC,iBAAe,EAAE,mBA5BJ;AA6Bb;AACAC,iBAAe,EAAE,mBA9BJ;AA+Bb;AACAC,iBAAe,EAAE,mBAhCJ;AAiCb;AACAC,gBAAc,EAAE,kBAlCH;AAmCb;AACAC,eAAa,EAAE,iBApCF;AAqCb;AACAC,cAAY,EAAE,gBAtCD;AAuCb;AACAC,eAAa,EAAE,iBAxCF;AAyCb;AACAC,mBAAiB,EAAE,oBA1CN;AA2Cb;AACAC,0BAAwB,EAAE,0BA5Cb;AA6Cb;AACAC,sBAAoB,EAAE,uBA9CT;AA+Cb;AACAC,uBAAqB,EAAE,wBAhDV;AAiDb;AACAC,sBAAoB,EAAE,uBAlDT;AAmDb;AACAC,qBAAmB,EAAE,sBApDR;AAqDb;AACAC,oBAAkB,EAAE,qBAtDP;AAuDb;AACAC,yBAAuB,EAAE,0BAxDZ;AAyDb;AACAC,uBAAqB,EAAE,wBA1DV;AA2Db;AACAC,wBAAsB,EAAE,yBA5DX;AA6Db;AACAC,uBAAqB,EAAE,wBA9DV;AA+Db;AACAC,yBAAuB,EAAE,0BAhEZ;AAiEb;AACAtI,gBAAc,EAAE,iBAlEH;AAmEb;AACAuI,cAAY,EAAE,gBApED;AAqEb;AACAC,oBAAkB,EAAE,qBAtEP;AAuEb;AACAC,6BAA2B,EAAE,6BAxEhB;AAyEb;AACAC,aAAW,EAAE,eA1EA;AA2Eb;AACAvK,gBAAc,EAAE,kBA5EH;AA6Eb;AACA0B,2BAAyB,EAAE,2BA9Ed;AA+Eb;AACAE,uBAAqB,EAAE,wBAhFV;AAiFb;AACAD,uBAAqB,EAAE,wBAlFV;AAmFb;AACA9C,mBAAiB,EAAE,oBApFN;AAqFb;AACAO,aAAW,EAAE,eAtFA;AAuFb;AACAoL,eAAa,EAAE,iBAxFF;AAyFb;AACAC,cAAY,EAAE,gBA1FD;AA2Fb;AACAC,UAAQ,EAAE,YA5FG;AA6Fb;AACAC,wBAAsB,EAAE,wBA9FX;AA+Fb;AACAzgB,OAAK,EAAE,UAhGM;AAiGb;AACA0gB,YAAU,EAAE,eAlGC;AAmGb;AACAC,aAAW,EAAE,eApGA;AAqGb;AACAC,YAAU,EAAE,cAtGC;AAuGb;AACAC,yBAAuB,EAAE;AAxGZ,4CA0Ga,0BA1Gb,aA4GbC,mBA5Ga,GA4GQ,qBA5GR,aAAf;AA+Ge7C,wEAAf,E;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;ACnHA;;;;;AAMA;AACA;AACA;AAGA,IAAM8C,qBAAqB,GAAG;AAC5B,qBAAmB,IADS;AAE5B,0BAAwB,IAFI;AAG5B,yBAAuB;AAHK,CAA9B;;IAMMC,0B;;;AAKJ,wBAAaC,GAAb,EAAyC;AAAA,SAJzCA,GAIyC;AAAA,SAHzCC,aAGyC;AAAA,SAFzCC,iBAEyC;AACvC,SAAKF,GAAL,GAAWA,GAAX;AACA,SAAKG,OAAL,GAAe,KAAKA,OAAL,CAAanY,IAAb,CAAkB,IAAlB,CAAf;;AAFuC,sCAAfoY,MAAe;AAAfA,YAAe;AAAA;;AAGvC,SAAKH,aAAL,GAAqBG,MAArB;AACA,SAAKF,iBAAL,GAAyB,IAAzB;AAEA,SAAKG,iBAAL;AACD;;;;SAEDpjB,O,GAAA,mBAAW;AACT,SAAKqjB,mBAAL;AACA,SAAKC,mBAAL;AACA,SAAKC,kBAAL;AACD,G;;SAESF,mB,GAAV,+BAAiC,CAAE,C;;SACzBE,kB,GAAV,8BAAgC,CAAE,C;;SAElCC,c,GAAA,0BAAkB;AAChB,WAAO,OAAO,KAAKR,aAAZ,KAA8B,QAA9B,IAA0C,KAAKA,aAAL,CAAmBrlB,MAA7D,IAAuE,OAAO,KAAKulB,OAAZ,KAAwB,UAAtG;AACD,G;;SAEDE,iB,GAAA,6BAAqB;AACnB,QAAI,KAAKI,cAAL,EAAJ,EAA2B;AACzB,WAAKR,aAAL,CAAmB5P,OAAnB,CAA2B,UAAUqF,KAAV,EAAiB;AAC1C,YAAIoK,qBAAqB,CAACpK,KAAD,CAAzB,EAAkC;AAChC,gBAAM,IAAI5a,KAAJ,CAAU,2BAA2B4a,KAArC,CAAN;AACD;;AAED,aAAKsK,GAAL,CAAS1J,EAAT,CAAYZ,KAAZ,EAAmB,KAAKyK,OAAxB;AACD,OAND,EAMG,IANH;AAOD;AACF,G;;SAEDI,mB,GAAA,+BAAuB;AACrB,QAAI,KAAKE,cAAL,EAAJ,EAA2B;AACzB,WAAKR,aAAL,CAAmB5P,OAAnB,CAA2B,UAAUqF,KAAV,EAAiB;AAC1C,aAAKsK,GAAL,CAASpK,GAAT,CAAaF,KAAb,EAAoB,KAAKyK,OAAzB;AACD,OAFD,EAEG,IAFH;AAGD;AACF;AAED;;;;;SAGAA,O,GAAA,iBAASzK,KAAT,EAAwB7d,IAAxB,EAAmC;AACjC,SAAK6oB,cAAL,CAAoBhL,KAApB,EAA2B7d,IAA3B;AACD,G;;SAED6oB,c,GAAA,wBAAgBhL,KAAhB,EAA+B7d,IAA/B,EAA0C;AACxC,QAAI8oB,eAAe,GAAG,SAAlBA,eAAkB,CAAUjL,KAAV,EAAyB7d,IAAzB,EAAoC;AACxD,UAAI+oB,QAAQ,GAAG,OAAOlL,KAAK,CAACmD,OAAN,CAAc,KAAd,EAAqB,EAArB,CAAtB;;AACA,UAAI,OAAO,KAAK+H,QAAL,CAAP,KAA0B,UAA9B,EAA0C;AACxC,cAAM,IAAI9lB,KAAJ,YAAmB4a,KAAnB,wCAA2D,KAAKmL,WAAL,CAAiB9oB,IAA5E,sBAAiG6oB,QAAjG,OAAN;AACD;;AAED,aAAO,KAAKA,QAAL,EAAe5Y,IAAf,CAAoB,IAApB,EAA0BnQ,IAA1B,CAAP;AACD,KAPD;;AAQA,QAAI;AACF8oB,qBAAe,CAACG,IAAhB,CAAqB,IAArB,EAA2BpL,KAA3B,EAAkC7d,IAAlC,EAAwCipB,IAAxC;AACD,KAFD,CAEE,OAAOtiB,GAAP,EAAY;AACZP,sBAAM,CAACU,KAAP,sDAAgE+W,KAAhE,2BAA0FlX,GAAG,CAACI,OAA9F,gCAAiIJ,GAAjI;AACA,WAAKwhB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,YAAI,EAAEC,oBAAU,CAAC8hB,WAAnB;AAAgC5hB,eAAO,EAAEC,sBAAY,CAAC4hB,kBAAtD;AAA0E1hB,aAAK,EAAE,KAAjF;AAAwFoW,aAAK,EAAEA,KAA/F;AAAsGlX,WAAG,EAAEA;AAA3G,OAA9B;AACD;AACF,G;;;;;AAGYuhB,4EAAf,E;;ACSA;;;;;AAKO,IAAKkB,mBAAZ;AAOA;;;;WAPYA,mB;AAAAA,qB;AAAAA,qB;AAAAA,qB;AAAAA,qB;GAAAA,mB,KAAAA,mB;;AAUL,IAAKC,iBAAZ;;WAAYA,iB;AAAAA,mB;AAAAA,mB;AAAAA,mB;GAAAA,iB,KAAAA,iB;;;;;;;;;ACjHZ;;IAEqBC,kB;;;AASnB,oBAAaC,OAAb,EAA8BC,WAA9B,EAAmD;AAAA,SAR3CC,IAQ2C,GARrB,IAQqB;AAAA,SAN5CC,OAM4C;AAAA,SAL5CC,MAK4C;AAAA,SAJ5C1W,MAI4C,GAJpB,IAIoB;AAAA,SAH5ChT,GAG4C,GAHnB,IAGmB;AAAA,SAF5CJ,EAE4C,GAFpB,IAEoB;AACjD,SAAK6pB,OAAL,GAAeH,OAAf;AACA,SAAKI,MAAL,GAAcH,WAAd;AACD;;;;wBAEU;AACT,UAAI,CAAC,KAAKC,IAAN,IAAc,KAAKE,MAAvB,EAA+B;AAC7B,aAAKF,IAAL,GAAYG,uCAAgB,CAAC,KAAKF,OAAN,EAAe,KAAKC,MAApB,EAA4B;AAAEE,yBAAe,EAAE;AAAnB,SAA5B,CAA5B;AACD;;AAED,aAAO,KAAKJ,IAAZ;AACD;;;;;;;;;;;;;;;ACrBH;AACA;AACA;AAGO,IAAKK,qBAAZ;;WAAYA,qB;AAAAA,uB;AAAAA,uB;GAAAA,qB,KAAAA,qB;;IAKSC,iB;;;;;;SACXC,I,GAAsB,I;SACtBC,U,GAA8B,I;SAC9BC,Y,GAAgC,I;SAGhCC,kB,sDACLL,qBAAqB,CAACM,K,IAAQ,K,wBAC9BN,qBAAqB,CAACO,K,IAAQ,K;SAI1BC,Q,GAAmB,C;SAEnBC,kB,GAAoC,I;SACpCC,e,GAAiC,I;SACjCC,K,GAAuB,I;SACvBC,O,GAA2B,E;SAS3BC,E;SAEAxjB,I;SAEAyjB,M;SAEAC,O;SAEAlgB,Q;SAEAuJ,K;SAEA4W,E,GAA6B,C;SAE7BC,K,GAAgB,C;SAEhBC,K,GAAgB,C;SAIhBC,Q;SAGAC,M;;;;;AAEP;SACAC,Y,GAAA,sBAAc1Q,KAAd,EAA6B2Q,YAA7B,EAAsD;AACpD,QAAMC,MAAM,GAAG5Q,KAAK,CAAC6Q,KAAN,CAAY,GAAZ,EAAiB,CAAjB,CAAf;AACA,QAAMC,SAAmB,GAAG,EAA5B;;AACA,QAAIF,MAAM,CAACtoB,MAAP,KAAkB,CAAtB,EAAyB;AACvBwoB,eAAS,CAAC,CAAD,CAAT,GAAeH,YAAY,GAAGA,YAAY,CAACI,kBAAhB,GAAqC,CAAhE;AACD,KAFD,MAEO;AACLD,eAAS,CAAC,CAAD,CAAT,GAAepe,QAAQ,CAACke,MAAM,CAAC,CAAD,CAAP,CAAvB;AACD;;AACDE,aAAS,CAAC,CAAD,CAAT,GAAepe,QAAQ,CAACke,MAAM,CAAC,CAAD,CAAP,CAAR,GAAsBE,SAAS,CAAC,CAAD,CAA9C;AACA,SAAKtB,UAAL,GAAkBsB,SAAlB;AACD,G;;AAiFD;;;SAGAE,mB,GAAA,6BAAqBtkB,IAArB,EAAkD;AAChD,SAAKgjB,kBAAL,CAAwBhjB,IAAxB,IAAgC,IAAhC;AACD;AAED;;;;;SAGAukB,mB,GAAA,6BAAqBvkB,IAArB,EAAkD;AAChD,WAAO,KAAKgjB,kBAAL,CAAwBhjB,IAAxB,MAAkC,IAAzC;AACD;AAED;;;;;;;SAKAwkB,0B,GAAA,oCAA4BC,aAA5B,EAA+D;AAC7D,QAAIC,SAAS,GAAG,IAAIne,UAAJ,CAAe,EAAf,CAAhB;;AAEA,SAAK,IAAIhM,CAAC,GAAG,EAAb,EAAiBA,CAAC,GAAG,EAArB,EAAyBA,CAAC,EAA1B,EAA8B;AAC5BmqB,eAAS,CAACnqB,CAAD,CAAT,GAAgBkqB,aAAa,IAAI,KAAK,KAAKlqB,CAAV,CAAlB,GAAkC,IAAjD;AACD;;AAED,WAAOmqB,SAAP;AACD;AAED;;;;;;;;SAMAC,0B,GAAA,oCAA4Bb,QAA5B,EAAgDW,aAAhD,EAAiF;AAC/E,QAAI/a,WAAW,GAAGoa,QAAlB;;AAEA,QAAIA,QAAQ,IAAIA,QAAQ,CAAChY,MAArB,IAA+BgY,QAAQ,CAACc,GAAxC,IAA+C,CAACd,QAAQ,CAACprB,EAA7D,EAAiE;AAC/DgR,iBAAW,GAAG,IAAIyY,kBAAJ,CAAa2B,QAAQ,CAACvB,OAAtB,EAA+BuB,QAAQ,CAACtB,MAAxC,CAAd;AACA9Y,iBAAW,CAACoC,MAAZ,GAAqBgY,QAAQ,CAAChY,MAA9B;AACApC,iBAAW,CAAChR,EAAZ,GAAiB,KAAK8rB,0BAAL,CAAgCC,aAAhC,CAAjB;AACD;;AAED,WAAO/a,WAAP;AACD,G;;;;wBA5HU;AACT,UAAI,CAAC,KAAKmZ,IAAN,IAAc,KAAKY,MAAvB,EAA+B;AAC7B,aAAKZ,IAAL,GAAYJ,uCAAgB,CAAC,KAAKiB,OAAN,EAAe,KAAKD,MAApB,EAA4B;AAAEf,yBAAe,EAAE;AAAnB,SAA5B,CAA5B;AACD;;AAED,aAAO,KAAKG,IAAZ;AACD,K;sBAEQvP,K,EAAO;AACd,WAAKuP,IAAL,GAAYvP,KAAZ;AACD;;;wBAE0B;AACzB,UAAI,CAAC,KAAKwP,UAAV,EAAsB;AACpB,eAAO,EAAP;AACD;;AAED,aAAO,KAAKA,UAAZ;AACD;AAED;;;;;;wBAG4B;AAC1B,aAAO,KAAKsB,SAAL,CAAe,CAAf,CAAP;AACD;;;wBAEyB;AACxB,aAAO,KAAKA,SAAL,CAAe,CAAf,CAAP;AACD;;;wBAEmC;AAClC,UAAI,CAAC,KAAKN,QAAN,IAAkB,CAAC,KAAKf,YAA5B,EAA0C;AACxC,eAAO,IAAP;AACD;;AAED,UAAI,CAAC,KAAKA,YAAN,IAAsB,KAAKe,QAA/B,EAAyC;AACvC,YAAIH,EAAE,GAAG,KAAKA,EAAd;;AACA,YAAI,OAAOA,EAAP,KAAc,QAAlB,EAA4B;AAC1B;AACA;AACA;AACA,cAAI,KAAKG,QAAL,IAAiB,KAAKA,QAAL,CAAchY,MAAd,KAAyB,SAA1C,IAAuD,CAAC,KAAKgY,QAAL,CAAcprB,EAA1E,EAA8E;AAC5EuG,4BAAM,CAACgN,IAAP,0DAAkE,KAAK6X,QAAL,CAAchY,MAAhF;AACD;AAED;;;;;;;;;AAOA6X,YAAE,GAAG,CAAL;AACD;;AACD,aAAKZ,YAAL,GAAoB,KAAK4B,0BAAL,CAAgC,KAAKb,QAArC,EAA+CH,EAA/C,CAApB;AACD;;AAED,aAAO,KAAKZ,YAAZ;AACD;;;wBAEyB;AACxB,UAAI,KAAKM,eAAL,KAAyB,IAA7B,EAAmC;AACjC,eAAO,IAAP;AACD;;AAED,UAAI,CAAC,0CAAgB,KAAKA,eAArB,CAAL,EAA4C;AAC1C,eAAO,IAAP;AACD;;AAED,UAAI7f,QAAQ,GAAG,CAAC,0CAAgB,KAAKA,QAArB,CAAD,GAAkC,CAAlC,GAAsC,KAAKA,QAA1D;AAEA,aAAO,KAAK6f,eAAL,GAAwB7f,QAAQ,GAAG,IAA1C;AACD;;;wBAEgB;AACf,aAAO,CAAC,EAAG,KAAKkG,WAAL,IAAoB,KAAKA,WAAL,CAAiBkb,GAAjB,KAAyB,IAA9C,IAAwD,KAAKlb,WAAL,CAAiB5Q,GAAjB,KAAyB,IAAnF,CAAR;AACD;;;;;;;;;;;;;;ICxJkB+rB,W;;;AACnB,iBAAaC,OAAb,EAAsB;AACpB;AACA,SAAKC,KAAL,GAAa,CAAb;AACA,SAAKC,KAAL,GAAa,CAAb;AACA,SAAKC,SAAL,GAAiB,EAAjB;AACA,SAAK3hB,WAAL,GAAmB,IAAnB;AACA,SAAK4hB,IAAL,GAAY,IAAZ;AACA,SAAKC,cAAL,GAAsB,KAAtB;AACA,SAAKC,OAAL,GAAe,CAAf;AACA,SAAKC,OAAL,GAAe,CAAf;AACA,SAAKC,eAAL,GAAuB,IAAvB;AACA,SAAKC,cAAL,GAAsB,CAAtB;AACA,SAAKC,aAAL,GAAqB,CAArB;AACA,SAAKxlB,IAAL,GAAY,IAAZ;AACA,SAAKqZ,GAAL,GAAWyL,OAAX;AACA,SAAKnJ,OAAL,GAAe,IAAf;AACD;;;;wBAEyB;AACxB,aAAO,CAAC,EAAE,KAAKsJ,SAAL,CAAe,CAAf,KAAqB,0CAAgB,KAAKA,SAAL,CAAe,CAAf,EAAkB5B,eAAlC,CAAvB,CAAR;AACD;;;;;;;;ACrBH,IAAMoC,wBAAwB,GAAG,eAAjC,C,CAAkD;;AAClD,IAAMC,eAAe,GAAG,uCAAxB,C,CAAiE;AAEjE;;IACMC,Q;;;AACJ,oBAAaC,KAAb,EAAoB;AAClB,QAAI,OAAOA,KAAP,KAAiB,QAArB,EAA+B;AAC7BA,WAAK,GAAGD,QAAQ,CAACE,aAAT,CAAuBD,KAAvB,CAAR;AACD;;AAED,SAAK,IAAIE,IAAT,IAAiBF,KAAjB,EAAwB;AACtB,UAAIA,KAAK,CAACG,cAAN,CAAqBD,IAArB,CAAJ,EAAgC;AAC9B,aAAKA,IAAL,IAAaF,KAAK,CAACE,IAAD,CAAlB;AACD;AACF;AACF;;;;SAEDE,c,GAAA,wBAAgBC,QAAhB,EAA0B;AACxB,QAAMC,QAAQ,GAAGlgB,QAAQ,CAAC,KAAKigB,QAAL,CAAD,EAAiB,EAAjB,CAAzB;;AACA,QAAIC,QAAQ,GAAGC,MAAM,CAACC,gBAAtB,EAAwC;AACtC,aAAOC,QAAP;AACD;;AAED,WAAOH,QAAP;AACD,G;;SAEDI,kB,GAAA,4BAAoBL,QAApB,EAA8B;AAC5B,QAAI,KAAKA,QAAL,CAAJ,EAAoB;AAClB,UAAIM,WAAW,GAAG,CAAC,KAAKN,QAAL,KAAkB,IAAnB,EAAyBvsB,KAAzB,CAA+B,CAA/B,CAAlB;AACA6sB,iBAAW,GAAG,CAAEA,WAAW,CAAC3qB,MAAZ,GAAqB,CAAtB,GAA2B,GAA3B,GAAiC,EAAlC,IAAwC2qB,WAAtD;AAEA,UAAMjT,KAAK,GAAG,IAAI/M,UAAJ,CAAeggB,WAAW,CAAC3qB,MAAZ,GAAqB,CAApC,CAAd;;AACA,WAAK,IAAIrB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGgsB,WAAW,CAAC3qB,MAAZ,GAAqB,CAAzC,EAA4CrB,CAAC,EAA7C,EAAiD;AAC/C+Y,aAAK,CAAC/Y,CAAD,CAAL,GAAWyL,QAAQ,CAACugB,WAAW,CAAC7sB,KAAZ,CAAkBa,CAAC,GAAG,CAAtB,EAAyBA,CAAC,GAAG,CAAJ,GAAQ,CAAjC,CAAD,EAAsC,EAAtC,CAAnB;AACD;;AAED,aAAO+Y,KAAP;AACD,KAVD,MAUO;AACL,aAAO,IAAP;AACD;AACF,G;;SAEDkT,0B,GAAA,oCAA4BP,QAA5B,EAAsC;AACpC,QAAMC,QAAQ,GAAGlgB,QAAQ,CAAC,KAAKigB,QAAL,CAAD,EAAiB,EAAjB,CAAzB;;AACA,QAAIC,QAAQ,GAAGC,MAAM,CAACC,gBAAtB,EAAwC;AACtC,aAAOC,QAAP;AACD;;AAED,WAAOH,QAAP;AACD,G;;SAEDO,oB,GAAA,8BAAsBR,QAAtB,EAAgC;AAC9B,WAAOS,UAAU,CAAC,KAAKT,QAAL,CAAD,CAAjB;AACD,G;;SAEDU,gB,GAAA,0BAAkBV,QAAlB,EAA4B;AAC1B,WAAO,KAAKA,QAAL,CAAP;AACD,G;;SAEDW,iB,GAAA,2BAAmBX,QAAnB,EAA6B;AAC3B,QAAMY,GAAG,GAAGpB,wBAAwB,CAACqB,IAAzB,CAA8B,KAAKb,QAAL,CAA9B,CAAZ;;AACA,QAAIY,GAAG,KAAK,IAAZ,EAAkB;AAChB,aAAO3oB,SAAP;AACD;;AAED,WAAO;AACLmL,WAAK,EAAErD,QAAQ,CAAC6gB,GAAG,CAAC,CAAD,CAAJ,EAAS,EAAT,CADV;AAELtd,YAAM,EAAEvD,QAAQ,CAAC6gB,GAAG,CAAC,CAAD,CAAJ,EAAS,EAAT;AAFX,KAAP;AAID,G;;WAEMhB,a,GAAP,uBAAsBkB,KAAtB,EAA6B;AAC3B,QAAIC,KAAJ;AAAA,QAAWpB,KAAK,GAAG,EAAnB;AACAF,mBAAe,CAACuB,SAAhB,GAA4B,CAA5B;;AACA,WAAO,CAACD,KAAK,GAAGtB,eAAe,CAACoB,IAAhB,CAAqBC,KAArB,CAAT,MAA0C,IAAjD,EAAuD;AACrD,UAAIzT,KAAK,GAAG0T,KAAK,CAAC,CAAD,CAAjB;AAAA,UAAsBE,KAAK,GAAG,GAA9B;;AAEA,UAAI5T,KAAK,CAAChS,OAAN,CAAc4lB,KAAd,MAAyB,CAAzB,IACA5T,KAAK,CAAC6T,WAAN,CAAkBD,KAAlB,MAA8B5T,KAAK,CAAC1X,MAAN,GAAe,CADjD,EACqD;AACnD0X,aAAK,GAAGA,KAAK,CAAC5Z,KAAN,CAAY,CAAZ,EAAe,CAAC,CAAhB,CAAR;AACD;;AAEDksB,WAAK,CAACoB,KAAK,CAAC,CAAD,CAAN,CAAL,GAAkB1T,KAAlB;AACD;;AACD,WAAOsS,KAAP;AACD,G;;;;;AAGYD,sDAAf,E;;ACxFA;AACA,IAAMyB,mBAAmB,GAAG;AAC1B7b,OAAK,EAAE;AACL,YAAQ,IADH;AAEL,YAAQ,IAFH;AAGL,YAAQ,IAHH;AAIL,YAAQ,IAJH;AAKL,YAAQ,IALH;AAML,YAAQ,IANH;AAOL,YAAQ,IAPH;AAQL,YAAQ,IARH;AASL,YAAQ,IATH;AAUL,YAAQ,IAVH;AAWL,YAAQ,IAXH;AAYL,YAAQ,IAZH;AAaL,YAAQ,IAbH;AAcL,YAAQ,IAdH;AAeL,YAAQ,IAfH;AAgBL,YAAQ,IAhBH;AAiBL,YAAQ,IAjBH;AAkBL,YAAQ,IAlBH;AAmBL,YAAQ,IAnBH;AAoBL,YAAQ,IApBH;AAqBL,YAAQ,IArBH;AAsBL,YAAQ,IAtBH;AAuBL,YAAQ,IAvBH;AAwBL,YAAQ,IAxBH;AAyBL,YAAQ,IAzBH;AA0BL,YAAQ,IA1BH;AA2BL,YAAQ,IA3BH;AA4BL,YAAQ,IA5BH;AA6BL,YAAQ,IA7BH;AA8BL,YAAQ,IA9BH;AA+BL,YAAQ,IA/BH;AAgCL,YAAQ;AAhCH,GADmB;AAmC1BD,OAAK,EAAE;AACL,YAAQ,IADH;AAEL,YAAQ,IAFH;AAGL,YAAQ,IAHH;AAIL,YAAQ,IAJH;AAKL,YAAQ,IALH;AAML,YAAQ,IANH;AAOL,YAAQ,IAPH;AAQL,YAAQ,IARH;AASL,YAAQ,IATH;AAUL,YAAQ,IAVH;AAWL,YAAQ,IAXH;AAYL,YAAQ,IAZH;AAaL,YAAQ,IAbH;AAcL,YAAQ,IAdH;AAeL,YAAQ,IAfH;AAgBL,YAAQ,IAhBH;AAiBL,YAAQ,IAjBH;AAkBL,YAAQ,IAlBH;AAmBL,YAAQ,IAnBH;AAoBL,YAAQ,IApBH;AAqBL,YAAQ,IArBH;AAsBL,YAAQ,IAtBH;AAuBL,YAAQ,IAvBH;AAwBL,YAAQ,IAxBH;AAyBL,YAAQ;AAzBH;AAnCmB,CAA5B;;AAkEA,SAAS+b,WAAT,CAAsB5lB,KAAtB,EAAqCzB,IAArC,EAA+D;AAC7D,MAAMsnB,SAAS,GAAGF,mBAAmB,CAACpnB,IAAD,CAArC;AACA,SAAO,CAAC,CAACsnB,SAAF,IAAeA,SAAS,CAAC7lB,KAAK,CAAC/H,KAAN,CAAY,CAAZ,EAAe,CAAf,CAAD,CAAT,KAAiC,IAAvD;AACD;;AAED,SAAS6tB,qBAAT,CAAgC9lB,KAAhC,EAA+CzB,IAA/C,EAAyE;AACvE,SAAOwnB,WAAW,CAACC,eAAZ,EAA+BznB,IAAI,IAAI,OAAvC,uBAA8DyB,KAA9D,QAAP;AACD;;;;;;;AC1ED;AAEA;AACA;AACA;AAEA;AACA;AACA;;AAIA;;;;AAKA;AACA,IAAMimB,qBAAqB,GAAG,gDAA9B;AACA,IAAMC,2BAA2B,GAAG,oBAApC;AAEA,IAAMC,yBAAyB,GAAG,IAAIC,MAAJ,CAAW,CAC3C,0CAA0CC,MADC,EACO;AAClD,mBAAmBA,MAFwB,EAEhB;AAC3B,0BAA0BA,MAHiB,EAGT;AAClC,iCAAiCA,MAJU,EAIF;AACzC,OAAOA,MALoC,CAK7B;AAL6B,EAM3CrV,IAN2C,CAMtC,EANsC,CAAX,EAMtB,GANsB,CAAlC;AAQA,IAAMsV,yBAAyB,GAAG,gWAAlC;AAEA,IAAMC,gBAAgB,GAAG,uBAAzB;;IAEqBC,sB;;;;;aACZC,S,GAAP,mBAAkBC,MAAlB,EAA6CC,YAA7C,EAA2F;AACzF,SAAK,IAAI7tB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG4tB,MAAM,CAACvsB,MAA3B,EAAmCrB,CAAC,EAApC,EAAwC;AACtC,UAAM8tB,KAAK,GAAGF,MAAM,CAAC5tB,CAAD,CAApB;;AACA,UAAI8tB,KAAK,CAAC1kB,EAAN,KAAaykB,YAAjB,EAA+B;AAC7B,eAAOC,KAAP;AACD;AACF;AACF,G;;aAEMC,mB,GAAP,6BAA4B7mB,KAA5B,EAAmC;AACjC,QAAI8mB,OAAO,GAAG9mB,KAAK,CAAC0iB,KAAN,CAAY,GAAZ,CAAd;AACA,QAAIzkB,MAAJ;;AACA,QAAI6oB,OAAO,CAAC3sB,MAAR,GAAiB,CAArB,EAAwB;AACtB8D,YAAM,GAAG6oB,OAAO,CAACrU,KAAR,KAAkB,GAA3B;AACAxU,YAAM,IAAIsG,QAAQ,CAACuiB,OAAO,CAACrU,KAAR,EAAD,CAAR,CAA0B5B,QAA1B,CAAmC,EAAnC,CAAV;AACA5S,YAAM,IAAI,CAAC,QAAQsG,QAAQ,CAACuiB,OAAO,CAACrU,KAAR,EAAD,CAAR,CAA0B5B,QAA1B,CAAmC,EAAnC,CAAT,EAAiDkW,MAAjD,CAAwD,CAAC,CAAzD,CAAV;AACD,KAJD,MAIO;AACL9oB,YAAM,GAAG+B,KAAT;AACD;;AACD,WAAO/B,MAAP;AACD,G;;aAEM+oB,O,GAAP,iBAAgBpP,GAAhB,EAAqByL,OAArB,EAA8B;AAC5B,WAAO4D,+BAAA,CAA4B5D,OAA5B,EAAqCzL,GAArC,EAA0C;AAAEqJ,qBAAe,EAAE;AAAnB,KAA1C,CAAP;AACD,G;;aAEMiG,mB,GAAP,6BAA4BC,MAA5B,EAA4ClF,OAA5C,EAA6D;AAC3D;AACA,QAAImF,MAAkB,GAAG,EAAzB;AACAnB,yBAAqB,CAACT,SAAtB,GAAkC,CAAlC,CAH2D,CAK3D;;AACA,aAAS6B,SAAT,CAAoBC,MAApB,EAA2ClF,KAA3C,EAAuD;AACrD,OAAC,OAAD,EAAU,OAAV,EAAmBxS,OAAnB,CAA2B,UAACrR,IAAD,EAAqB;AAC9C,YAAMgpB,QAAQ,GAAGD,MAAM,CAACE,MAAP,CAAc,UAACxnB,KAAD;AAAA,iBAAW4lB,WAAW,CAAC5lB,KAAD,EAAQzB,IAAR,CAAtB;AAAA,SAAd,CAAjB;;AACA,YAAIgpB,QAAQ,CAACptB,MAAb,EAAqB;AACnB,cAAMstB,SAAS,GAAGF,QAAQ,CAACC,MAAT,CAAgB,UAACxnB,KAAD,EAAW;AAC3C,mBAAOA,KAAK,CAAC0lB,WAAN,CAAkB,MAAlB,EAA0B,CAA1B,MAAiC,CAAjC,IAAsC1lB,KAAK,CAAC0lB,WAAN,CAAkB,MAAlB,EAA0B,CAA1B,MAAiC,CAA9E;AACD,WAFiB,CAAlB;AAGAtD,eAAK,CAAI7jB,IAAJ,WAAL,GAAwBkpB,SAAS,CAACttB,MAAV,GAAmB,CAAnB,GAAuBstB,SAAS,CAAC,CAAD,CAAhC,GAAsCF,QAAQ,CAAC,CAAD,CAAtE,CAJmB,CAMnB;;AACAD,gBAAM,GAAGA,MAAM,CAACE,MAAP,CAAc,UAACxnB,KAAD;AAAA,mBAAWunB,QAAQ,CAAC1nB,OAAT,CAAiBG,KAAjB,MAA4B,CAAC,CAAxC;AAAA,WAAd,CAAT;AACD;AACF,OAXD;AAaAoiB,WAAK,CAACsF,aAAN,GAAsBJ,MAAtB;AACD;;AAED,QAAIrpB,MAAJ;;AACA,WAAO,CAACA,MAAM,GAAGgoB,qBAAqB,CAACZ,IAAtB,CAA2B8B,MAA3B,CAAV,KAAiD,IAAxD,EAA8D;AAC5D;AACA,UAAM/E,KAAU,GAAG,EAAnB;AAEA,UAAM+B,KAAK,GAAG/B,KAAK,CAAC+B,KAAN,GAAc,IAAID,SAAJ,CAAajmB,MAAM,CAAC,CAAD,CAAnB,CAA5B;AACAmkB,WAAK,CAACxK,GAAN,GAAY4O,UAAU,CAACQ,OAAX,CAAmB/oB,MAAM,CAAC,CAAD,CAAzB,EAA8BgkB,OAA9B,CAAZ;AAEA,UAAM0F,UAAU,GAAGxD,KAAK,CAACgB,iBAAN,CAAwB,YAAxB,CAAnB;;AACA,UAAIwC,UAAJ,EAAgB;AACdvF,aAAK,CAACxa,KAAN,GAAc+f,UAAU,CAAC/f,KAAzB;AACAwa,aAAK,CAACta,MAAN,GAAe6f,UAAU,CAAC7f,MAA1B;AACD;;AACDsa,WAAK,CAACwF,OAAN,GAAgBzD,KAAK,CAACI,cAAN,CAAqB,mBAArB,KAA6CJ,KAAK,CAACI,cAAN,CAAqB,WAArB,CAA7D;AACAnC,WAAK,CAAC9qB,IAAN,GAAa6sB,KAAK,CAAC0D,IAAnB;AAEAR,eAAS,CAAC,GAAGzN,MAAH,CAAU,CAACuK,KAAK,CAAC2D,MAAN,IAAgB,EAAjB,EAAqBpF,KAArB,CAA2B,OAA3B,CAAV,CAAD,EAAiDN,KAAjD,CAAT;;AAEA,UAAIA,KAAK,CAACtgB,UAAN,IAAoBsgB,KAAK,CAACtgB,UAAN,CAAiBjC,OAAjB,CAAyB,MAAzB,MAAqC,CAAC,CAA9D,EAAiE;AAC/DuiB,aAAK,CAACtgB,UAAN,GAAmB0kB,UAAU,CAACK,mBAAX,CAA+BzE,KAAK,CAACtgB,UAArC,CAAnB;AACD;;AAEDslB,YAAM,CAAC5lB,IAAP,CAAY4gB,KAAZ;AACD;;AACD,WAAOgF,MAAP;AACD,G;;aAEMW,wB,GAAP,kCAAiCZ,MAAjC,EAAiDlF,OAAjD,EAAkE1jB,IAAlE,EAA2FypB,WAA3F,EAAsJ;AAAA,QAA3DA,WAA2D;AAA3DA,iBAA2D,GAA1B,EAA0B;AAAA;;AACpJ,QAAI/pB,MAAJ;AACA,QAAIgqB,MAA4B,GAAG,EAAnC;AACA,QAAI/lB,EAAE,GAAG,CAAT;AACAgkB,+BAA2B,CAACV,SAA5B,GAAwC,CAAxC;;AACA,WAAO,CAACvnB,MAAM,GAAGioB,2BAA2B,CAACb,IAA5B,CAAiC8B,MAAjC,CAAV,MAAwD,IAA/D,EAAqE;AACnE,UAAMhD,KAAK,GAAG,IAAID,SAAJ,CAAajmB,MAAM,CAAC,CAAD,CAAnB,CAAd;;AACA,UAAIkmB,KAAK,CAAC+D,IAAN,KAAe3pB,IAAnB,EAAyB;AACvB,YAAM4pB,KAAoB,GAAG;AAC3BjmB,YAAE,EAAEA,EAAE,EADqB;AAE3BkmB,iBAAO,EAAEjE,KAAK,CAAC,UAAD,CAFa;AAG3B7sB,cAAI,EAAE6sB,KAAK,CAAC0D,IAAN,IAAc1D,KAAK,CAACkE,QAHC;AAI3B9pB,cAAI,EAAJA,IAJ2B;AAK3B+pB,iBAAO,EAAGnE,KAAK,CAACoE,OAAN,KAAkB,KALD;AAM3BC,oBAAU,EAAGrE,KAAK,CAACsE,UAAN,KAAqB,KANP;AAO3BC,gBAAM,EAAGvE,KAAK,CAACwE,MAAN,KAAiB,KAPC;AAQ3BC,cAAI,EAAEzE,KAAK,CAACkE;AARe,SAA7B;;AAWA,YAAIlE,KAAK,CAAC0E,GAAV,EAAe;AACbV,eAAK,CAACvQ,GAAN,GAAY4O,UAAU,CAACQ,OAAX,CAAmB7C,KAAK,CAAC0E,GAAzB,EAA8B5G,OAA9B,CAAZ;AACD;;AAED,YAAI+F,WAAW,CAAC7tB,MAAhB,EAAwB;AACtB;AACA,cAAM2uB,UAAU,GAAGtC,UAAU,CAACC,SAAX,CAAqBuB,WAArB,EAAkCG,KAAK,CAACC,OAAxC,CAAnB,CAFsB,CAItB;AACA;;AACAD,eAAK,CAACnpB,UAAN,GAAmB8pB,UAAU,GAAGA,UAAU,CAAC9oB,KAAd,GAAsBgoB,WAAW,CAAC,CAAD,CAAX,CAAehoB,KAAlE;AACD;;AAEDioB,cAAM,CAACzmB,IAAP,CAAY2mB,KAAZ;AACD;AACF;;AACD,WAAOF,MAAP;AACD,G;;aAEMc,kB,GAAP,4BAA2B5B,MAA3B,EAA2ClF,OAA3C,EAA4D/f,EAA5D,EAAwE3D,IAAxE,EAAiGyqB,UAAjG,EAAqH;AACnH,QAAIC,SAAS,GAAG,CAAhB;AACA,QAAIlF,aAAa,GAAG,CAApB;AACA,QAAI3B,KAAK,GAAG,IAAIgB,WAAJ,CAAUnB,OAAV,CAAZ;AACA,QAAIiH,oBAAoB,GAAG,CAA3B;AACA,QAAIC,QAAyB,GAAG,IAAhC;AACA,QAAIhb,IAAqB,GAAG,IAAIgT,iBAAJ,EAA5B;AACA,QAAIljB,MAAJ;AACA,QAAInF,CAAJ;AACA,QAAIupB,QAAJ;AAEA,QAAI+G,aAAa,GAAG,IAApB;AAEAjD,6BAAyB,CAACX,SAA1B,GAAsC,CAAtC;;AAEA,WAAO,CAACvnB,MAAM,GAAGkoB,yBAAyB,CAACd,IAA1B,CAA+B8B,MAA/B,CAAV,MAAsD,IAA7D,EAAmE;AACjE,UAAMplB,QAAQ,GAAG9D,MAAM,CAAC,CAAD,CAAvB;;AACA,UAAI8D,QAAJ,EAAc;AAAE;AACdoM,YAAI,CAACpM,QAAL,GAAgBkjB,UAAU,CAACljB,QAAD,CAA1B,CADY,CAEZ;;AACA,YAAM8f,KAAK,GAAG,CAAC,MAAM5jB,MAAM,CAAC,CAAD,CAAb,EAAkBhG,KAAlB,CAAwB,CAAxB,CAAd;AACAkW,YAAI,CAAC0T,KAAL,GAAaA,KAAK,IAAI,IAAtB;AACA1T,YAAI,CAAC2T,OAAL,CAAatgB,IAAb,CAAkBqgB,KAAK,GAAG,CAAE,KAAF,EAAS9f,QAAT,EAAmB8f,KAAnB,CAAH,GAAgC,CAAE,KAAF,EAAS9f,QAAT,CAAvD;AACD,OAND,MAMO,IAAI9D,MAAM,CAAC,CAAD,CAAV,EAAe;AAAE;AACtB,YAAI,0CAAgBkQ,IAAI,CAACpM,QAArB,CAAJ,EAAoC;AAClC,cAAMmgB,EAAE,GAAG+G,SAAS,EAApB;AACA9a,cAAI,CAAC5P,IAAL,GAAYA,IAAZ;AACA4P,cAAI,CAAC7C,KAAL,GAAayY,aAAb;;AACA,cAAI1B,QAAJ,EAAc;AACZlU,gBAAI,CAACkU,QAAL,GAAgBA,QAAhB;AACD;;AACDlU,cAAI,CAAC+T,EAAL,GAAUA,EAAV;AACA/T,cAAI,CAACiU,KAAL,GAAalgB,EAAb;AACAiM,cAAI,CAAC4T,EAAL,GAAUmH,oBAAV;AACA/a,cAAI,CAACgU,KAAL,GAAa6G,UAAb;AACA7a,cAAI,CAAC8T,OAAL,GAAeA,OAAf,CAXkC,CAYlC;;AACA9T,cAAI,CAAC6T,MAAL,GAAc,CAAC,MAAM/jB,MAAM,CAAC,CAAD,CAAb,EAAkBhG,KAAlB,CAAwB,CAAxB,CAAd;AACAoxB,+BAAqB,CAAClb,IAAD,EAAOgb,QAAP,CAArB;AAEA/G,eAAK,CAACoB,SAAN,CAAgBhiB,IAAhB,CAAqB2M,IAArB;AACAgb,kBAAQ,GAAGhb,IAAX;AACA4V,uBAAa,IAAI5V,IAAI,CAACpM,QAAtB;AAEAoM,cAAI,GAAG,IAAIgT,iBAAJ,EAAP;AACD;AACF,OAvBM,MAuBA,IAAIljB,MAAM,CAAC,CAAD,CAAV,EAAe;AAAE;AACtB,YAAM7G,IAAI,GAAG,CAAC,MAAM6G,MAAM,CAAC,CAAD,CAAb,EAAkBhG,KAAlB,CAAwB,CAAxB,CAAb;;AACA,YAAIkxB,QAAJ,EAAc;AACZhb,cAAI,CAACoU,YAAL,CAAkBnrB,IAAlB,EAAwB+xB,QAAxB;AACD,SAFD,MAEO;AACLhb,cAAI,CAACoU,YAAL,CAAkBnrB,IAAlB;AACD;AACF,OAPM,MAOA,IAAI6G,MAAM,CAAC,CAAD,CAAV,EAAe;AAAE;AACtB;AACAkQ,YAAI,CAACwT,kBAAL,GAA0B,CAAC,MAAM1jB,MAAM,CAAC,CAAD,CAAb,EAAkBhG,KAAlB,CAAwB,CAAxB,CAA1B;AACAkW,YAAI,CAAC2T,OAAL,CAAatgB,IAAb,CAAkB,CAAC,mBAAD,EAAsB2M,IAAI,CAACwT,kBAA3B,CAAlB;;AACA,YAAIyH,aAAa,KAAK,IAAtB,EAA4B;AAC1BA,uBAAa,GAAGhH,KAAK,CAACoB,SAAN,CAAgBrpB,MAAhC;AACD;AACF,OAPM,MAOA;AACL8D,cAAM,GAAGA,MAAM,CAAC,CAAD,CAAN,CAAUsnB,KAAV,CAAgBe,yBAAhB,CAAT;;AACA,YAAI,CAACroB,MAAL,EAAa;AACXT,0BAAM,CAACgN,IAAP,CAAY,oDAAZ;AACA;AACD;;AACD,aAAK1R,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGmF,MAAM,CAAC9D,MAAvB,EAA+BrB,CAAC,EAAhC,EAAoC;AAClC,cAAI,OAAOmF,MAAM,CAACnF,CAAD,CAAb,KAAqB,WAAzB,EAAsC;AACpC;AACD;AACF,SAVI,CAYL;;;AACA,YAAMwwB,MAAM,GAAG,CAAC,MAAMrrB,MAAM,CAACnF,CAAC,GAAG,CAAL,CAAb,EAAsBb,KAAtB,CAA4B,CAA5B,CAAf;AACA,YAAMsxB,MAAM,GAAG,CAAC,MAAMtrB,MAAM,CAACnF,CAAC,GAAG,CAAL,CAAb,EAAsBb,KAAtB,CAA4B,CAA5B,CAAf;;AAEA,gBAAQgG,MAAM,CAACnF,CAAD,CAAd;AACA,eAAK,GAAL;AACEqV,gBAAI,CAAC2T,OAAL,CAAatgB,IAAb,CAAkB+nB,MAAM,GAAG,CAAED,MAAF,EAAUC,MAAV,CAAH,GAAwB,CAAED,MAAF,CAAhD;AACA;;AACF,eAAK,eAAL;AACElH,iBAAK,CAAC7jB,IAAN,GAAa+qB,MAAM,CAACE,WAAP,EAAb;AACA;;AACF,eAAK,gBAAL;AACEP,qBAAS,GAAG7G,KAAK,CAACwB,OAAN,GAAgBrf,QAAQ,CAAC+kB,MAAD,CAApC;AACA;;AACF,eAAK,gBAAL;AACElH,iBAAK,CAAC0B,cAAN,GAAuBmB,UAAU,CAACqE,MAAD,CAAjC;AACA;;AACF,eAAK,SAAL;AACElH,iBAAK,CAAClI,OAAN,GAAgB3V,QAAQ,CAAC+kB,MAAD,CAAxB;AACA;;AACF,eAAK,QAAL;AACE;;AACF,eAAK,SAAL;AACElH,iBAAK,CAACqB,IAAN,GAAa,KAAb;AACA;;AACF,eAAK,KAAL;AACEyF,gCAAoB;AACpB/a,gBAAI,CAAC2T,OAAL,CAAatgB,IAAb,CAAkB,CAAC,KAAD,CAAlB;AACA;;AACF,eAAK,mBAAL;AACE0nB,gCAAoB,GAAG3kB,QAAQ,CAAC+kB,MAAD,CAA/B;AACA;;AACF,eAAK,KAAL;AAAY;AACV;AACA,kBAAMG,aAAa,GAAGH,MAAtB;AACA,kBAAMI,QAAQ,GAAG,IAAIxF,SAAJ,CAAauF,aAAb,CAAjB;AACA,kBAAME,aAAa,GAAGD,QAAQ,CAACxE,gBAAT,CAA0B,QAA1B,CAAtB;AACA,kBAAM0E,UAAU,GAAGF,QAAQ,CAACb,GAA5B;AACA,kBAAMgB,SAAS,GAAGH,QAAQ,CAAC7E,kBAAT,CAA4B,IAA5B,CAAlB;;AAEA,kBAAI8E,aAAJ,EAAmB;AACjBtH,wBAAQ,GAAG,IAAI3B,kBAAJ,CAAauB,OAAb,EAAsB2H,UAAtB,CAAX;;AACA,oBAAKA,UAAD,IAAiB,CAAC,SAAD,EAAY,YAAZ,EAA0B,iBAA1B,EAA6C/pB,OAA7C,CAAqD8pB,aAArD,KAAuE,CAA5F,EAAgG;AAC9FtH,0BAAQ,CAAChY,MAAT,GAAkBsf,aAAlB;AACAtH,0BAAQ,CAAChrB,GAAT,GAAe,IAAf,CAF8F,CAG9F;;AACAgrB,0BAAQ,CAACprB,EAAT,GAAc4yB,SAAd;AACD;AACF;;AACD;AACD;;AACD,eAAK,OAAL;AAAc;AACZ,kBAAMC,UAAU,GAAG,IAAI5F,SAAJ,CAAaoF,MAAb,CAAnB;AACA,kBAAMzF,eAAe,GAAGiG,UAAU,CAAC9E,oBAAX,CAAgC,aAAhC,CAAxB,CAFY,CAGZ;;AACA,kBAAI,0CAAgBnB,eAAhB,CAAJ,EAAsC;AACpCzB,qBAAK,CAACyB,eAAN,GAAwBA,eAAxB;AACD;;AACD;AACD;;AACD,eAAK,KAAL;AAAY;AACV,kBAAMkG,QAAQ,GAAG,IAAI7F,SAAJ,CAAaoF,MAAb,CAAjB;AACAnb,kBAAI,CAAC6T,MAAL,GAAc+H,QAAQ,CAAClB,GAAvB;;AACA,kBAAIkB,QAAQ,CAACC,SAAb,EAAwB;AACtB7b,oBAAI,CAACoU,YAAL,CAAkBwH,QAAQ,CAACC,SAA3B;AACD;;AACD7b,kBAAI,CAAC8T,OAAL,GAAeA,OAAf;AACA9T,kBAAI,CAACiU,KAAL,GAAalgB,EAAb;AACAiM,kBAAI,CAAC5P,IAAL,GAAYA,IAAZ;AACA4P,kBAAI,CAAC+T,EAAL,GAAU,aAAV;AACAE,mBAAK,CAACvgB,WAAN,GAAoBsM,IAApB;AACAA,kBAAI,GAAG,IAAIgT,iBAAJ,EAAP;AACAhT,kBAAI,CAACwT,kBAAL,GAA0BS,KAAK,CAACvgB,WAAN,CAAkB8f,kBAA5C;AACA;AACD;;AACD;AACEnkB,4BAAM,CAACgN,IAAP,mCAA4CvM,MAA5C;AACA;AAzEF;AA2ED;AACF;;AACDkQ,QAAI,GAAGgb,QAAP,CAzJmH,CA0JnH;;AACA,QAAIhb,IAAI,IAAI,CAACA,IAAI,CAAC6T,MAAlB,EAA0B;AACxBI,WAAK,CAACoB,SAAN,CAAgByG,GAAhB;AACAlG,mBAAa,IAAI5V,IAAI,CAACpM,QAAtB;AACD;;AACDqgB,SAAK,CAAC2B,aAAN,GAAsBA,aAAtB;AACA3B,SAAK,CAAC8H,qBAAN,GAA8BnG,aAAa,GAAG3B,KAAK,CAACoB,SAAN,CAAgBrpB,MAA9D;AACAioB,SAAK,CAACmB,KAAN,GAAc0F,SAAS,GAAG,CAA1B;AACA7G,SAAK,CAACuB,OAAN,GAAgBvB,KAAK,CAACoB,SAAN,CAAgB,CAAhB,IAAqBpB,KAAK,CAACoB,SAAN,CAAgB,CAAhB,EAAmBzB,EAAxC,GAA6C,CAA7D;AACAK,SAAK,CAACkB,KAAN,GAAc4F,oBAAd;;AAEA,QAAI,CAAC9G,KAAK,CAACvgB,WAAP,IAAsBugB,KAAK,CAACoB,SAAN,CAAgBrpB,MAA1C,EAAkD;AAChD;AACA;AACA;AACA,UAAIioB,KAAK,CAACoB,SAAN,CAAgB2G,KAAhB,CAAsB,UAAChc,IAAD;AAAA,eAAUoY,gBAAgB,CAAC5mB,IAAjB,CAAsBwO,IAAI,CAAC6T,MAA3B,CAAV;AAAA,OAAtB,CAAJ,EAAyE;AACvExkB,wBAAM,CAACgN,IAAP,CAAY,kGAAZ;AAEA2D,YAAI,GAAG,IAAIgT,iBAAJ,EAAP;AACAhT,YAAI,CAAC6T,MAAL,GAAcI,KAAK,CAACoB,SAAN,CAAgB,CAAhB,EAAmBxB,MAAjC;AACA7T,YAAI,CAAC8T,OAAL,GAAeA,OAAf;AACA9T,YAAI,CAACiU,KAAL,GAAalgB,EAAb;AACAiM,YAAI,CAAC5P,IAAL,GAAYA,IAAZ;AACA4P,YAAI,CAAC+T,EAAL,GAAU,aAAV;AAEAE,aAAK,CAACvgB,WAAN,GAAoBsM,IAApB;AACAiU,aAAK,CAACsB,cAAN,GAAuB,IAAvB;AACD;AACF;AAED;;;;;;;;;;;AASA,QAAI0F,aAAJ,EAAmB;AACjBgB,8BAAwB,CAAChI,KAAK,CAACoB,SAAP,EAAkB4F,aAAlB,CAAxB;AACD;;AAED,WAAOhH,KAAP;AACD,G;;;;;;;AAGH,SAASgI,wBAAT,CAAmC5G,SAAnC,EAA8C6G,UAA9C,EAA0D;AACxD,MAAIC,QAAQ,GAAG9G,SAAS,CAAC6G,UAAD,CAAxB;;AACA,OAAK,IAAIvxB,CAAC,GAAGuxB,UAAU,GAAG,CAA1B,EAA6BvxB,CAAC,IAAI,CAAlC,EAAqCA,CAAC,EAAtC,EAA0C;AACxC,QAAMqV,IAAI,GAAGqV,SAAS,CAAC1qB,CAAD,CAAtB;AACAqV,QAAI,CAACyT,eAAL,GAAuB0I,QAAQ,CAAC1I,eAAT,GAA4BzT,IAAI,CAACpM,QAAL,GAAgB,IAAnE;AACAuoB,YAAQ,GAAGnc,IAAX;AACD;AACF;;AAED,SAASkb,qBAAT,CAAgClb,IAAhC,EAAsCgb,QAAtC,EAAgD;AAC9C,MAAIhb,IAAI,CAACwT,kBAAT,EAA6B;AAC3BxT,QAAI,CAACyT,eAAL,GAAuBjO,IAAI,CAACgC,KAAL,CAAWxH,IAAI,CAACwT,kBAAhB,CAAvB;AACD,GAFD,MAEO,IAAIwH,QAAQ,IAAIA,QAAQ,CAACvH,eAAzB,EAA0C;AAC/CzT,QAAI,CAACyT,eAAL,GAAuBuH,QAAQ,CAACoB,kBAAhC;AACD;;AAED,MAAI,CAAC,0CAAgBpc,IAAI,CAACyT,eAArB,CAAL,EAA4C;AAC1CzT,QAAI,CAACyT,eAAL,GAAuB,IAAvB;AACAzT,QAAI,CAACwT,kBAAL,GAA0B,IAA1B;AACD;AACF,C;;;;;;;ACjXD;;;;;;;;;;AAWA;AACA;AACA;AACA;AACA;AACA;AACA;cAGwB6I,M;IAAhB9W,W,WAAAA,W;AAER;;;;IAGM+W,8B;;;;;AAGJ;;;;AAIA,0BAAalL,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACElhB,iBAAK,CAAC+e,gBADR,EAEE/e,iBAAK,CAACof,aAFR,EAGEpf,iBAAK,CAAC4f,mBAHR,EAIE5f,iBAAK,CAACggB,sBAJR;AADgB,UANVqM,OAMU,GANqE,EAMrE;AAAA;AAMjB;AAED;;;;;;iBAIOC,oB,GAAP,8BAA6BpsB,IAA7B,EAAiE;AAC/D,WAAQA,IAAI,KAAKiiB,mBAAmB,CAACoK,WAA7B,IACNrsB,IAAI,KAAKiiB,mBAAmB,CAACqK,cAD/B;AAED;AAED;;;;;;;iBAKOC,qB,GAAP,+BAA8BC,OAA9B,EAAiF;AAAA,QACvExsB,IADuE,GAC9DwsB,OAD8D,CACvExsB,IADuE;;AAG/E,YAAQA,IAAR;AACA,WAAKiiB,mBAAmB,CAACoK,WAAzB;AACE,eAAOnK,iBAAiB,CAACe,KAAzB;;AACF,WAAKhB,mBAAmB,CAACqK,cAAzB;AACE,eAAOpK,iBAAiB,CAACuK,QAAzB;;AACF;AACE,eAAOvK,iBAAiB,CAACwK,IAAzB;AANF;AAQD,G;;iBAEMC,c,GAAP,wBAAuBC,QAAvB,EAAiDJ,OAAjD,EAAyF;AACvF,QAAInT,GAAG,GAAGuT,QAAQ,CAACvT,GAAnB,CADuF,CAEvF;AACA;;AACA,QAAIA,GAAG,KAAKnb,SAAR,IAAqBmb,GAAG,CAAC/X,OAAJ,CAAY,OAAZ,MAAyB,CAAlD,EAAqD;AACnD;AACA+X,SAAG,GAAGmT,OAAO,CAACnT,GAAd;AACD;;AACD,WAAOA,GAAP;AACD;AAED;;;;;;;;;;SAMAwT,oB,GAAA,8BAAsBL,OAAtB,EAAqF;AACnF,QAAMjuB,MAAM,GAAG,KAAKyiB,GAAL,CAASziB,MAAxB;AACA,QAAMuuB,OAAO,GAAGvuB,MAAM,CAACwuB,OAAvB;AACA,QAAMC,MAAM,GAAGzuB,MAAM,CAACwlB,MAAtB,CAHmF,CAInF;;AACA,QAAMkJ,cAAc,GAAGH,OAAO,IAAIE,MAAlC;AAEA,QAAMjJ,MAAM,GAAG,IAAIkJ,cAAJ,CAAmB1uB,MAAnB,CAAf,CAPmF,CASnF;;AACAiuB,WAAO,CAACzI,MAAR,GAAiBA,MAAjB;AACA,SAAKoI,OAAL,CAAaK,OAAO,CAACxsB,IAArB,IAA6B+jB,MAA7B;AAEA,WAAOA,MAAP;AACD,G;;SAEDmJ,iB,GAAA,2BAAmBV,OAAnB,EAA8F;AAC5F,WAAO,KAAKL,OAAL,CAAaK,OAAO,CAACxsB,IAArB,CAAP;AACD,G;;SAEDmtB,mB,GAAA,6BAAqBC,WAArB,EAAuD;AACrD,QAAI,KAAKjB,OAAL,CAAaiB,WAAb,CAAJ,EAA+B;AAC7B,aAAO,KAAKjB,OAAL,CAAaiB,WAAb,CAAP;AACD;AACF;AAED;;;;;SAGAC,sB,GAAA,kCAA0B;AACxB,SAAK,IAAID,WAAT,IAAwB,KAAKjB,OAA7B,EAAsC;AACpC,UAAIpI,MAAM,GAAG,KAAKoI,OAAL,CAAaiB,WAAb,CAAb;;AACA,UAAIrJ,MAAJ,EAAY;AACVA,cAAM,CAAC9lB,OAAP;AACD;;AAED,WAAKkvB,mBAAL,CAAyBC,WAAzB;AACD;AACF,G;;SAEDnvB,O,GAAA,mBAAW;AACT,SAAKovB,sBAAL;;AAEA,4BAAMpvB,OAAN;AACD,G;;SAEDqvB,iB,GAAA,2BAAmBz0B,IAAnB,EAA2C;AACzC,SAAK00B,IAAL,CAAU;AACRlU,SAAG,EAAExgB,IAAI,CAACwgB,GADF;AAERrZ,UAAI,EAAEiiB,mBAAmB,CAACuL,QAFlB;AAGR3J,WAAK,EAAE,CAHC;AAIRlgB,QAAE,EAAE,IAJI;AAKR8pB,kBAAY,EAAE;AALN,KAAV;AAOD,G;;SAEDC,c,GAAA,wBAAgB70B,IAAhB,EAAiF;AAC/E,SAAK00B,IAAL,CAAU;AACRlU,SAAG,EAAExgB,IAAI,CAACwgB,GADF;AAERrZ,UAAI,EAAEiiB,mBAAmB,CAAC0L,KAFlB;AAGR9J,WAAK,EAAEhrB,IAAI,CAACgrB,KAHJ;AAIRlgB,QAAE,EAAE9K,IAAI,CAAC8K,EAJD;AAKR8pB,kBAAY,EAAE;AALN,KAAV;AAOD,G;;SAEDG,mB,GAAA,6BAAqB/0B,IAArB,EAAgE;AAC9D,SAAK00B,IAAL,CAAU;AACRlU,SAAG,EAAExgB,IAAI,CAACwgB,GADF;AAERrZ,UAAI,EAAEiiB,mBAAmB,CAACoK,WAFlB;AAGRxI,WAAK,EAAE,IAHC;AAIRlgB,QAAE,EAAE9K,IAAI,CAAC8K,EAJD;AAKR8pB,kBAAY,EAAE;AALN,KAAV;AAOD,G;;SAEDI,sB,GAAA,gCAAwBh1B,IAAxB,EAAmE;AACjE,SAAK00B,IAAL,CAAU;AACRlU,SAAG,EAAExgB,IAAI,CAACwgB,GADF;AAERrZ,UAAI,EAAEiiB,mBAAmB,CAACqK,cAFlB;AAGRzI,WAAK,EAAE,IAHC;AAIRlgB,QAAE,EAAE9K,IAAI,CAAC8K,EAJD;AAKR8pB,kBAAY,EAAE;AALN,KAAV;AAOD,G;;SAEDF,I,GAAA,cAAMf,OAAN,EAA+C;AAC7C,QAAMjuB,MAAM,GAAG,KAAKyiB,GAAL,CAASziB,MAAxB;AAEAU,oBAAM,CAAC6R,KAAP,+BAAyC0b,OAAO,CAACxsB,IAAjD,iBAAiEwsB,OAAO,CAAC3I,KAAzE,cAAuF2I,OAAO,CAAC7oB,EAA/F,EAH6C,CAK7C;;AACA,QAAIogB,MAAM,GAAG,KAAKmJ,iBAAL,CAAuBV,OAAvB,CAAb;;AACA,QAAIzI,MAAJ,EAAY;AACV,UAAM+J,aAAa,GAAG/J,MAAM,CAACyI,OAA7B;;AACA,UAAIsB,aAAa,IAAIA,aAAa,CAACzU,GAAd,KAAsBmT,OAAO,CAACnT,GAAnD,EAAwD;AAAE;AACxDpa,wBAAM,CAAC8uB,KAAP,CAAa,0BAAb;AACA,eAAO,KAAP;AACD,OAHD,MAGO;AACL9uB,wBAAM,CAACgN,IAAP,yCAAkDugB,OAAO,CAACxsB,IAA1D;AACA+jB,cAAM,CAACiK,KAAP;AACD;AACF;;AAED,QAAIC,QAAJ;AACA,QAAIC,OAAJ;AACA,QAAIC,UAAJ;AACA,QAAIC,aAAJ,CArB6C,CAuB7C;AACA;;AACA,YAAQ5B,OAAO,CAACxsB,IAAhB;AACA,WAAKiiB,mBAAmB,CAACuL,QAAzB;AACES,gBAAQ,GAAG1vB,MAAM,CAAC8vB,uBAAlB;AACAH,eAAO,GAAG3vB,MAAM,CAAC+vB,sBAAjB;AACAH,kBAAU,GAAG5vB,MAAM,CAACgwB,yBAApB;AACAH,qBAAa,GAAG7vB,MAAM,CAACiwB,8BAAvB;AACA;;AACF,WAAKvM,mBAAmB,CAAC0L,KAAzB;AACE;AACAM,gBAAQ,GAAG,CAAX;AACAG,qBAAa,GAAG,CAAhB;AACAD,kBAAU,GAAG,CAAb;AACAD,eAAO,GAAG3vB,MAAM,CAACkwB,mBAAjB,CALF,CAME;;AACA;;AACF;AACER,gBAAQ,GAAG1vB,MAAM,CAACmwB,oBAAlB;AACAR,eAAO,GAAG3vB,MAAM,CAACkwB,mBAAjB;AACAN,kBAAU,GAAG5vB,MAAM,CAACowB,sBAApB;AACAP,qBAAa,GAAG7vB,MAAM,CAACqwB,2BAAvB;AACA;AApBF;;AAuBA7K,UAAM,GAAG,KAAK8I,oBAAL,CAA0BL,OAA1B,CAAT;AAEA,QAAMqC,YAAiC,GAAG;AACxCX,aAAO,EAAPA,OADwC;AAExCD,cAAQ,EAARA,QAFwC;AAGxCE,gBAAU,EAAVA,UAHwC;AAIxCC,mBAAa,EAAbA;AAJwC,KAA1C;AAOA,QAAMU,eAAuD,GAAG;AAC9DC,eAAS,EAAE,KAAKC,WAAL,CAAiBhmB,IAAjB,CAAsB,IAAtB,CADmD;AAE9DimB,aAAO,EAAE,KAAKC,SAAL,CAAelmB,IAAf,CAAoB,IAApB,CAFqD;AAG9DmmB,eAAS,EAAE,KAAKC,WAAL,CAAiBpmB,IAAjB,CAAsB,IAAtB;AAHmD,KAAhE;AAMA/J,oBAAM,CAAC6R,KAAP,gDAA0D0b,OAAO,CAACnT,GAAlE;AACA0K,UAAM,CAACwJ,IAAP,CAAYf,OAAZ,EAAqBqC,YAArB,EAAmCC,eAAnC;AAEA,WAAO,IAAP;AACD,G;;SAEDE,W,GAAA,qBAAapC,QAAb,EAAuC9W,KAAvC,EAA2D0W,OAA3D,EAA2F6C,cAA3F,EAA2H;AAAA,QAAhCA,cAAgC;AAAhCA,oBAAgC,GAAN,IAAM;AAAA;;AACzH,QAAI7C,OAAO,CAAC8C,aAAZ,EAA2B;AACzB,WAAKC,kBAAL,CAAwB3C,QAAxB,EAAkCJ,OAAlC;;AACA,WAAKgD,qBAAL,CAA2B5C,QAA3B,EAAqC9W,KAArC,EAA4C0W,OAA5C,EAAqD6C,cAArD;;AACA;AACD;;AAED,SAAKlC,mBAAL,CAAyBX,OAAO,CAACxsB,IAAjC;;AACA,QAAI,OAAO4sB,QAAQ,CAAC/zB,IAAhB,KAAyB,QAA7B,EAAuC;AACrC,YAAM,IAAIiD,KAAJ,CAAU,oDAAV,CAAN;AACD;;AAED,QAAM8sB,MAAM,GAAGgE,QAAQ,CAAC/zB,IAAxB;AAEAid,SAAK,CAAC2Z,KAAN,GAActa,WAAW,CAACD,GAAZ,EAAd,CAdyH,CAezH;AAEA;;AACA,QAAI0T,MAAM,CAACtnB,OAAP,CAAe,SAAf,MAA8B,CAAlC,EAAqC;AACnC,WAAKouB,2BAAL,CAAiC9C,QAAjC,EAA2CJ,OAA3C,EAAoD,qBAApD,EAA2E6C,cAA3E;;AACA;AACD,KArBwH,CAuBzH;;;AACA,QAAIzG,MAAM,CAACtnB,OAAP,CAAe,UAAf,IAA6B,CAA7B,IAAkCsnB,MAAM,CAACtnB,OAAP,CAAe,wBAAf,IAA2C,CAAjF,EAAoF;AAClF,WAAKquB,2BAAL,CAAiC/C,QAAjC,EAA2C9W,KAA3C,EAAkD0W,OAAlD,EAA2D6C,cAA3D;AACD,KAFD,MAEO;AACL,WAAKO,qBAAL,CAA2BhD,QAA3B,EAAqC9W,KAArC,EAA4C0W,OAA5C,EAAqD6C,cAArD;AACD;AACF,G;;SAEDH,S,GAAA,mBAAWtC,QAAX,EAAqCJ,OAArC,EAAqE6C,cAArE,EAA4F;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AAC1F,SAAKQ,mBAAL,CAAyBrD,OAAzB,EAAkC6C,cAAlC,EAAkD,KAAlD,EAAyDzC,QAAzD;AACD,G;;SAEDwC,W,GAAA,qBAAatZ,KAAb,EAAiC0W,OAAjC,EAAiE6C,cAAjE,EAAwF;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AACtF,SAAKQ,mBAAL,CAAyBrD,OAAzB,EAAkC6C,cAAlC,EAAkD,IAAlD;AACD,G,CAED;AACA;;;SACAO,qB,GAAA,+BAAuBhD,QAAvB,EAAiD9W,KAAjD,EAAqE0W,OAArE,EAAqG6C,cAArG,EAA8H;AAC5H,QAAMrO,GAAG,GAAG,KAAKA,GAAjB;AACA,QAAM4H,MAAM,GAAGgE,QAAQ,CAAC/zB,IAAxB;AAEA,QAAMwgB,GAAG,GAAG6S,cAAc,CAACS,cAAf,CAA8BC,QAA9B,EAAwCJ,OAAxC,CAAZ;AACA,QAAM3D,MAAM,GAAGZ,sBAAU,CAACU,mBAAX,CAA+BC,MAA/B,EAAuCvP,GAAvC,CAAf;;AACA,QAAI,CAACwP,MAAM,CAACjtB,MAAZ,EAAoB;AAClB,WAAK8zB,2BAAL,CAAiC9C,QAAjC,EAA2CJ,OAA3C,EAAoD,4BAApD,EAAkF6C,cAAlF;;AACA;AACD,KAT2H,CAW5H;;;AACA,QAAM5F,WAA8B,GAAGZ,MAAM,CAACzL,GAAP,CAAW,UAAAyG,KAAK;AAAA,aAAK;AAC1DlgB,UAAE,EAAEkgB,KAAK,CAAC+B,KAAN,CAAY3C,KAD0C;AAE1DxhB,aAAK,EAAEoiB,KAAK,CAACpjB;AAF6C,OAAL;AAAA,KAAhB,CAAvC;AAKA,QAAMqvB,WAAW,GAAG7H,sBAAU,CAACuB,wBAAX,CAAoCZ,MAApC,EAA4CvP,GAA5C,EAAiD,OAAjD,EAA0DoQ,WAA1D,CAApB;AACA,QAAMsG,SAAS,GAAG9H,sBAAU,CAACuB,wBAAX,CAAoCZ,MAApC,EAA4CvP,GAA5C,EAAiD,WAAjD,CAAlB;;AAEA,QAAIyW,WAAW,CAACl0B,MAAhB,EAAwB;AACtB;AACA,UAAIo0B,kBAAkB,GAAG,KAAzB;AACAF,iBAAW,CAACze,OAAZ,CAAoB,UAAAhE,UAAU,EAAI;AAChC,YAAI,CAACA,UAAU,CAACgM,GAAhB,EAAqB;AACnB2W,4BAAkB,GAAG,IAArB;AACD;AACF,OAJD,EAHsB,CAStB;AACA;AACA;AACA;;AACA,UAAIA,kBAAkB,KAAK,KAAvB,IAAgCnH,MAAM,CAAC,CAAD,CAAN,CAAUpoB,UAA1C,IAAwD,CAACooB,MAAM,CAAC,CAAD,CAAN,CAAUjD,KAAV,CAAgB3C,KAA7E,EAAoF;AAClFhkB,wBAAM,CAACC,GAAP,CAAW,yFAAX;AACA4wB,mBAAW,CAACG,OAAZ,CAAoB;AAClBjwB,cAAI,EAAE,MADY;AAElBjH,cAAI,EAAE,MAFY;AAGlBgxB,iBAAO,EAAE,KAHS;AAIlBE,oBAAU,EAAE,KAJM;AAKlBE,gBAAM,EAAE,KALU;AAMlBxmB,YAAE,EAAE,CAAC;AANa,SAApB;AAQD;AACF;;AAEDqd,OAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAACgf,eAAlB,EAAmC;AACjC+J,YAAM,EAANA,MADiC;AAEjCiH,iBAAW,EAAXA,WAFiC;AAGjCC,eAAS,EAATA,SAHiC;AAIjC1W,SAAG,EAAHA,GAJiC;AAKjCvD,WAAK,EAALA,KALiC;AAMjCuZ,oBAAc,EAAdA;AANiC,KAAnC;AAQD,G;;SAEDM,2B,GAAA,qCAA6B/C,QAA7B,EAAuD9W,KAAvD,EAA2E0W,OAA3E,EAA2G6C,cAA3G,EAAoI;AAClI,QAAMrO,GAAG,GAAG,KAAKA,GAAjB;AADkI,QAG1Hrd,EAH0H,GAGtG6oB,OAHsG,CAG1H7oB,EAH0H;AAAA,QAGtHkgB,KAHsH,GAGtG2I,OAHsG,CAGtH3I,KAHsH;AAAA,QAG/G7jB,IAH+G,GAGtGwsB,OAHsG,CAG/GxsB,IAH+G;AAKlI,QAAMqZ,GAAG,GAAG6S,cAAc,CAACS,cAAf,CAA8BC,QAA9B,EAAwCJ,OAAxC,CAAZ,CALkI,CAOlI;;AACA,QAAM/B,UAAU,GAAG,0CAAgB9mB,EAAhB,IAAgCA,EAAhC,GAA+C,CAAlE;AACA,QAAMusB,OAAO,GAAG,0CAAgBrM,KAAhB,IAAmCA,KAAnC,GAAqD4G,UAArE;AAEA,QAAM0F,SAAS,GAAGjE,cAAc,CAACK,qBAAf,CAAqCC,OAArC,CAAlB;AACA,QAAM4D,YAAY,GAAGnI,sBAAU,CAACuC,kBAAX,CAA8BoC,QAAQ,CAAC/zB,IAAvC,EAAuDwgB,GAAvD,EAA4D6W,OAA5D,EAAqEC,SAArE,EAAgF1F,UAAhF,CAArB,CAZkI,CAclI;AACA;;AACC2F,gBAAD,CAAsBX,KAAtB,GAA8B3Z,KAAK,CAAC2Z,KAApC,CAhBkI,CAkBlI;AACA;AACA;AACA;;AACA,QAAIzvB,IAAI,KAAKiiB,mBAAmB,CAACuL,QAAjC,EAA2C;AACzC,UAAM6C,WAAW,GAAG;AAClBhX,WAAG,EAAHA,GADkB;AAElBlZ,eAAO,EAAEiwB;AAFS,OAApB;AAKApP,SAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAACgf,eAAlB,EAAmC;AACjC+J,cAAM,EAAE,CAACwH,WAAD,CADyB;AAEjCP,mBAAW,EAAE,EAFoB;AAGjCzW,WAAG,EAAHA,GAHiC;AAIjCvD,aAAK,EAALA,KAJiC;AAKjCuZ,sBAAc,EAAdA;AALiC,OAAnC;AAOD,KAnCiI,CAqClI;;;AACAvZ,SAAK,CAACwa,OAAN,GAAgBnb,WAAW,CAACD,GAAZ,EAAhB,CAtCkI,CAwClI;AACA;AACA;;AACA,QAAIkb,YAAY,CAACjL,cAAjB,EAAiC;AAC/B,UAAMoL,OAAO,GAAGH,YAAY,CAAC9sB,WAAb,CAAyB+V,GAAzC;AACA,WAAKkU,IAAL,CAAU;AACRlU,WAAG,EAAEkX,OADG;AAERjB,qBAAa,EAAE,IAFP;AAGRtvB,YAAI,EAAJA,IAHQ;AAIR6jB,aAAK,EAALA,KAJQ;AAKRuM,oBAAY,EAAZA,YALQ;AAMRzsB,UAAE,EAAFA,EANQ;AAOR6sB,kBAAU,EAAE,CAPJ;AAQRC,gBAAQ,EAAE,IARF;AASRhD,oBAAY,EAAE;AATN,OAAV;AAWA;AACD,KAzDiI,CA2DlI;;;AACAjB,WAAO,CAAC4D,YAAR,GAAuBA,YAAvB;;AAEA,SAAKZ,qBAAL,CAA2B5C,QAA3B,EAAqC9W,KAArC,EAA4C0W,OAA5C,EAAqD6C,cAArD;AACD,G;;SAEDE,kB,GAAA,4BAAoB3C,QAApB,EAA8CJ,OAA9C,EAA8E;AAC5E,QAAI,OAAOI,QAAQ,CAAC/zB,IAAhB,KAAyB,QAA7B,EAAuC;AACrC,YAAM,IAAIiD,KAAJ,CAAU,6DAAV,CAAN;AACD;;AAED,QAAM40B,QAAQ,GAAGra,qBAAU,CAACiF,iBAAX,CAA6B,IAAI/U,UAAJ,CAAeqmB,QAAQ,CAAC/zB,IAAxB,CAA7B,CAAjB,CAL4E,CAM5E;;AACA,QAAI,CAAC63B,QAAL,EAAe;AACb;AACD;;AACD,QAAMC,cAAc,GAAGD,QAAQ,CAAChV,UAAhC;AACA,QAAM0U,YAAY,GAAG5D,OAAO,CAAC4D,YAA7B;AACAO,kBAAc,CAACtf,OAAf,CAAuB,UAACuf,UAAD,EAAazX,KAAb,EAAuB;AAC5C,UAAM0X,UAAU,GAAGD,UAAU,CAACxY,IAA9B;;AACA,UAAI,CAACgY,YAAL,EAAmB;AACjB;AACD;;AACD,UAAMxgB,IAAI,GAAGwgB,YAAY,CAACnL,SAAb,CAAuB9L,KAAvB,CAAb;;AACA,UAAIvJ,IAAI,CAACwU,SAAL,CAAexoB,MAAf,KAA0B,CAA9B,EAAiC;AAC/BgU,YAAI,CAACoU,YAAL,CAAkB1L,MAAM,CAAC,IAAIuY,UAAU,CAACrY,GAAf,GAAqBqY,UAAU,CAAC9jB,KAAjC,CAAN,GAAgD,GAAhD,GAAsDuL,MAAM,CAACuY,UAAU,CAAC9jB,KAAZ,CAA9E;AACD;AACF,KATD;;AAWA,QAAIqjB,YAAJ,EAAkB;AAChBA,kBAAY,CAAC9sB,WAAb,CAAyB0gB,YAAzB,CAAsC1L,MAAM,CAACoY,QAAQ,CAAClV,aAAV,CAAN,GAAiC,IAAvE;AACD;AACF,G;;SAEDkU,2B,GAAA,qCAA6B9C,QAA7B,EAAuDJ,OAAvD,EAAuFjsB,MAAvF,EAAuG8uB,cAAvG,EAAgI;AAC9H,SAAKrO,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,UAAI,EAAEC,oBAAU,CAAC6wB,aADW;AAE5B3wB,aAAO,EAAEC,sBAAY,CAAC2wB,sBAFM;AAG5BzwB,WAAK,EAAE,IAHqB;AAI5B+Y,SAAG,EAAEuT,QAAQ,CAACvT,GAJc;AAK5B9Y,YAAM,EAANA,MAL4B;AAM5B8uB,oBAAc,EAAdA;AAN4B,KAA9B;AAQD,G;;SAEDQ,mB,GAAA,6BAAqBrD,OAArB,EAAqD6C,cAArD,EAA8EnB,OAA9E,EAAwGtB,QAAxG,EAAgJ;AAAA,QAAlEsB,OAAkE;AAAlEA,aAAkE,GAA/C,KAA+C;AAAA;;AAAA,QAAxCtB,QAAwC;AAAxCA,cAAwC,GAAN,IAAM;AAAA;;AAC9I3tB,oBAAM,CAACmZ,IAAP,8CAAuDoU,OAAO,CAACxsB,IAA/D;AAEA,QAAIG,OAAJ;AACA,QAAIG,KAAJ;AAEA,QAAMyjB,MAAM,GAAG,KAAKmJ,iBAAL,CAAuBV,OAAvB,CAAf;;AAEA,YAAQA,OAAO,CAACxsB,IAAhB;AACA,WAAKiiB,mBAAmB,CAACuL,QAAzB;AACErtB,eAAO,GAAI+tB,OAAO,GAAG9tB,sBAAY,CAAC4wB,qBAAhB,GAAwC5wB,sBAAY,CAAC6wB,mBAAvE;AACA3wB,aAAK,GAAG,IAAR;AACA;;AACF,WAAK2hB,mBAAmB,CAAC0L,KAAzB;AACExtB,eAAO,GAAI+tB,OAAO,GAAG9tB,sBAAY,CAAC8wB,kBAAhB,GAAqC9wB,sBAAY,CAAC+wB,gBAApE;AACA7wB,aAAK,GAAG,KAAR;AACA;;AACF,WAAK2hB,mBAAmB,CAACoK,WAAzB;AACElsB,eAAO,GAAI+tB,OAAO,GAAG9tB,sBAAY,CAACgxB,wBAAhB,GAA2ChxB,sBAAY,CAACixB,sBAA1E;AACA/wB,aAAK,GAAG,KAAR;AACA;;AACF;AACE;AACAA,aAAK,GAAG,KAAR;AAfF;;AAkBA,QAAIyjB,MAAJ,EAAY;AACVA,YAAM,CAACiK,KAAP;AACA,WAAKb,mBAAL,CAAyBX,OAAO,CAACxsB,IAAjC;AACD,KA7B6I,CA+B9I;;;AACA,QAAIsxB,SAAc,GAAG;AACnBtxB,UAAI,EAAEC,oBAAU,CAAC6wB,aADE;AAEnB3wB,aAAO,EAAPA,OAFmB;AAGnBG,WAAK,EAALA,KAHmB;AAInB+Y,SAAG,EAAEmT,OAAO,CAACnT,GAJM;AAKnB0K,YAAM,EAANA,MALmB;AAMnByI,aAAO,EAAPA,OANmB;AAOnB6C,oBAAc,EAAdA;AAPmB,KAArB;;AAUA,QAAIzC,QAAJ,EAAc;AACZ0E,eAAS,CAAC1E,QAAV,GAAqBA,QAArB;AACD;;AAED,SAAK5L,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8BuxB,SAA9B;AACD,G;;SAED9B,qB,GAAA,+BAAuB5C,QAAvB,EAAiD9W,KAAjD,EAAqE0W,OAArE,EAAqG6C,cAArG,EAA8H;AAAA,QACpHrvB,IADoH,GAClFwsB,OADkF,CACpHxsB,IADoH;AAAA,QAC9G6jB,KAD8G,GAClF2I,OADkF,CAC9G3I,KAD8G;AAAA,QACvGlgB,EADuG,GAClF6oB,OADkF,CACvG7oB,EADuG;AAAA,QACnGysB,YADmG,GAClF5D,OADkF,CACnG4D,YADmG;;AAG5H,QAAI,CAACA,YAAD,IAAiB,CAACA,YAAY,CAAC7K,cAAnC,EAAmD;AACjD,WAAKmK,2BAAL,CAAiC9C,QAAjC,EAA2CJ,OAA3C,EAAoD,yBAApD,EAA+E6C,cAA/E;;AACA;AACD;;AAED,QAAMkC,aAAa,GAAGrF,cAAc,CAACE,oBAAf,CAAoCI,OAAO,CAACxsB,IAA5C,CAAtB;;AACA,QAAIuxB,aAAJ,EAAmB;AACjB,WAAKvQ,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACqf,YAAvB,EAAqC;AACnChf,eAAO,EAAEiwB,YAD0B;AAEnCvM,aAAK,EAAEA,KAAK,IAAI,CAFmB;AAGnClgB,UAAE,EAAEA,EAAE,IAAI,CAHyB;AAInCmS,aAAK,EAALA,KAJmC;AAKnCuZ,sBAAc,EAAdA;AALmC,OAArC;AAOD,KARD,MAQO;AACL,cAAQrvB,IAAR;AACA,aAAKiiB,mBAAmB,CAACoK,WAAzB;AACE,eAAKrL,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAAC6f,kBAAvB,EAA2C;AACzCxf,mBAAO,EAAEiwB,YADgC;AAEzCzsB,cAAE,EAAFA,EAFyC;AAGzCmS,iBAAK,EAALA,KAHyC;AAIzCuZ,0BAAc,EAAdA;AAJyC,WAA3C;AAMA;;AACF,aAAKpN,mBAAmB,CAACqK,cAAzB;AACE,eAAKtL,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACigB,qBAAvB,EAA8C;AAC5C5f,mBAAO,EAAEiwB,YADmC;AAE5CzsB,cAAE,EAAFA,EAF4C;AAG5CmS,iBAAK,EAALA,KAH4C;AAI5CuZ,0BAAc,EAAdA;AAJ4C,WAA9C;AAMA;AAhBF;AAkBD;AACF,G;;;EArf0BtO,a;;AAwfdmL,kFAAf,E;;;;;;;ACjhBA;;;AAIA;AACA;AACA;AACA;;IAEMsF,8B;;;;;AACJ,0BAAaxQ,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EAAWlhB,iBAAK,CAACmgB,YAAjB;AACA,UAAKkM,OAAL,GAAe,EAAf;AAFgB;AAGjB;;;;SAEDluB,O,GAAA,mBAAW;AACT,QAAIkuB,OAAO,GAAG,KAAKA,OAAnB;;AACA,SAAK,IAAIsF,UAAT,IAAuBtF,OAAvB,EAAgC;AAC9B,UAAIpI,MAAM,GAAGoI,OAAO,CAACsF,UAAD,CAApB;;AACA,UAAI1N,MAAJ,EAAY;AACVA,cAAM,CAAC9lB,OAAP;AACD;AACF;;AACD,SAAKkuB,OAAL,GAAe,EAAf;;AAEA,4BAAMluB,OAAN;AACD,G;;SAEDyzB,a,GAAA,uBAAe74B,IAAf,EAAqB;AACnB,QAAM+W,IAAI,GAAG/W,IAAI,CAAC+W,IAAlB;AAAA,QACE5P,IAAI,GAAG4P,IAAI,CAAC5P,IADd;AAAA,QAEEmsB,OAAO,GAAG,KAAKA,OAFjB;AAAA,QAGE5tB,MAAM,GAAG,KAAKyiB,GAAL,CAASziB,MAHpB;AAAA,QAIEozB,eAAe,GAAGpzB,MAAM,CAACqzB,OAJ3B;AAAA,QAKEC,cAAc,GAAGtzB,MAAM,CAACwlB,MAL1B,CADmB,CAQnB;;AACAnU,QAAI,CAACkiB,MAAL,GAAc,CAAd;AAEA,QAAI/N,MAAM,GAAGoI,OAAO,CAACnsB,IAAD,CAApB;;AACA,QAAI+jB,MAAJ,EAAY;AACV9kB,sBAAM,CAACgN,IAAP,+CAAwDjM,IAAxD;AACA+jB,YAAM,CAACiK,KAAP;AACD;;AAEDjK,UAAM,GAAGoI,OAAO,CAACnsB,IAAD,CAAP,GAAgB4P,IAAI,CAACmU,MAAL,GACvBxlB,MAAM,CAACqzB,OAAP,GAAiB,IAAID,eAAJ,CAAoBpzB,MAApB,CAAjB,GAA+C,IAAIszB,cAAJ,CAAmBtzB,MAAnB,CADjD;AAGA,QAAIuvB,aAAJ,EAAmBe,YAAnB,EAAiCC,eAAjC;AAEAhB,iBAAa,GAAG;AAAEzU,SAAG,EAAEzJ,IAAI,CAACyJ,GAAZ;AAAiBzJ,UAAI,EAAEA,IAAvB;AAA6B6d,kBAAY,EAAE,aAA3C;AAA0DsE,kBAAY,EAAE;AAAxE,KAAhB;AAEA,QAAIhlB,KAAK,GAAG6C,IAAI,CAACoiB,oBAAjB;AAAA,QACExZ,GAAG,GAAG5I,IAAI,CAACyU,kBADb;;AAGA,QAAI,0CAAgBtX,KAAhB,KAA0B,0CAAgByL,GAAhB,CAA9B,EAAoD;AAClDsV,mBAAa,CAAC0C,UAAd,GAA2BzjB,KAA3B;AACA+gB,mBAAa,CAAC2C,QAAd,GAAyBjY,GAAzB;AACD;;AAEDqW,gBAAY,GAAG;AACbX,aAAO,EAAE3vB,MAAM,CAAC0zB,kBADH;AAEbhE,cAAQ,EAAE,CAFG;AAGbE,gBAAU,EAAE,CAHC;AAIbC,mBAAa,EAAE7vB,MAAM,CAAC2zB;AAJT,KAAf;AAOApD,mBAAe,GAAG;AAChBC,eAAS,EAAE,KAAKC,WAAL,CAAiBhmB,IAAjB,CAAsB,IAAtB,CADK;AAEhBimB,aAAO,EAAE,KAAKC,SAAL,CAAelmB,IAAf,CAAoB,IAApB,CAFO;AAGhBmmB,eAAS,EAAE,KAAKC,WAAL,CAAiBpmB,IAAjB,CAAsB,IAAtB,CAHK;AAIhBmpB,gBAAU,EAAE,KAAKC,YAAL,CAAkBppB,IAAlB,CAAuB,IAAvB;AAJI,KAAlB;AAOA+a,UAAM,CAACwJ,IAAP,CAAYO,aAAZ,EAA2Be,YAA3B,EAAyCC,eAAzC;AACD,G;;SAEDE,W,GAAA,qBAAapC,QAAb,EAAuB9W,KAAvB,EAA8B0W,OAA9B,EAAuC6C,cAAvC,EAA8D;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AAC5D,QAAIgD,OAAO,GAAGzF,QAAQ,CAAC/zB,IAAvB;AAAA,QAA6B+W,IAAI,GAAG4c,OAAO,CAAC5c,IAA5C,CAD4D,CAE5D;;AACAA,QAAI,CAACmU,MAAL,GAAc7lB,SAAd;AACA,SAAKiuB,OAAL,CAAavc,IAAI,CAAC5P,IAAlB,IAA0B9B,SAA1B;AACA,SAAK8iB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACsgB,WAAvB,EAAoC;AAAEiS,aAAO,EAAEA,OAAX;AAAoBziB,UAAI,EAAEA,IAA1B;AAAgCkG,WAAK,EAAEA,KAAvC;AAA8CuZ,oBAAc,EAAEA;AAA9D,KAApC;AACD,G;;SAEDH,S,GAAA,mBAAWtC,QAAX,EAAqBJ,OAArB,EAA8B6C,cAA9B,EAAqD;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AACnD,QAAMzf,IAAI,GAAG4c,OAAO,CAAC5c,IAArB;AACA,QAAImU,MAAM,GAAGnU,IAAI,CAACmU,MAAlB;;AACA,QAAIA,MAAJ,EAAY;AACVA,YAAM,CAACiK,KAAP;AACD;;AAED,SAAK7B,OAAL,CAAavc,IAAI,CAAC5P,IAAlB,IAA0B9B,SAA1B;AACA,SAAK8iB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,UAAI,EAAEC,oBAAU,CAAC6wB,aAAnB;AAAkC3wB,aAAO,EAAEC,sBAAY,CAACkyB,eAAxD;AAAyEhyB,WAAK,EAAE,KAAhF;AAAuFsP,UAAI,EAAE4c,OAAO,CAAC5c,IAArG;AAA2Ggd,cAAQ,EAAEA,QAArH;AAA+HyC,oBAAc,EAAEA;AAA/I,KAA9B;AACD,G;;SAEDD,W,GAAA,qBAAatZ,KAAb,EAAoB0W,OAApB,EAA6B6C,cAA7B,EAAoD;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AAClD,QAAMzf,IAAI,GAAG4c,OAAO,CAAC5c,IAArB;AACA,QAAImU,MAAM,GAAGnU,IAAI,CAACmU,MAAlB;;AACA,QAAIA,MAAJ,EAAY;AACVA,YAAM,CAACiK,KAAP;AACD;;AAED,SAAK7B,OAAL,CAAavc,IAAI,CAAC5P,IAAlB,IAA0B9B,SAA1B;AACA,SAAK8iB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,UAAI,EAAEC,oBAAU,CAAC6wB,aAAnB;AAAkC3wB,aAAO,EAAEC,sBAAY,CAACmyB,iBAAxD;AAA2EjyB,WAAK,EAAE,KAAlF;AAAyFsP,UAAI,EAAE4c,OAAO,CAAC5c,IAAvG;AAA6Gyf,oBAAc,EAAEA;AAA7H,KAA9B;AACD,G,CAED;;;SACA+C,Y,GAAA,sBAActc,KAAd,EAAqB0W,OAArB,EAA8B3zB,IAA9B,EAAoCw2B,cAApC,EAA2D;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AAAE;AAC3D,QAAIzf,IAAI,GAAG4c,OAAO,CAAC5c,IAAnB;AACAA,QAAI,CAACkiB,MAAL,GAAchc,KAAK,CAACgc,MAApB;AACA,SAAK9Q,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACogB,kBAAvB,EAA2C;AAAEtQ,UAAI,EAAEA,IAAR;AAAckG,WAAK,EAAEA,KAArB;AAA4BuZ,oBAAc,EAAEA;AAA5C,KAA3C;AACD,G;;;EAvG0BtO,a;;AA0GdyQ,kFAAf,E;;;;ACnHA;;;AAIA;AACA;AACA;AACA;;IAaMgB,oB;;;;;AAKJ,qBAAaxR,GAAb,EAAuB;AAAA;;AACrB,qCAAMA,GAAN,EAAWlhB,iBAAK,CAAC4gB,WAAjB;AADqB,UAJhByL,OAIgB,GAJN,EAIM;AAAA,UAHhBsG,UAGgB,GAHgB,IAGhB;AAAA,UAFhBC,UAEgB,GAFY,IAEZ;AAAA;AAEtB;;;;SAEDz0B,O,GAAA,mBAAiB;AACf,SAAK,IAAMwzB,UAAX,IAAyB,KAAKtF,OAA9B,EAAuC;AACrC,UAAIpI,MAAM,GAAG,KAAKoI,OAAL,CAAasF,UAAb,CAAb;;AACA,UAAI1N,MAAJ,EAAY;AACVA,cAAM,CAAC9lB,OAAP;AACD;AACF;;AACD,SAAKkuB,OAAL,GAAe,EAAf;;AAEA,4BAAMluB,OAAN;AACD,G;;SAED00B,Y,GAAA,sBAAc95B,IAAd,EAAyC;AAAA,QAC/B+W,IAD+B,GACtB/W,IADsB,CAC/B+W,IAD+B;AAEvC,QAAM5P,IAAI,GAAG4P,IAAI,CAAC5P,IAAlB;AACA,QAAM+jB,MAAM,GAAG,KAAKoI,OAAL,CAAansB,IAAb,CAAf;;AACA,QAAI,CAAC4P,IAAI,CAAClG,WAAV,EAAuB;AACrBzK,sBAAM,CAACgN,IAAP,CAAY,qDAAZ;AACA;AACD,KAPsC,CASvC;;;AACA,QAAM2Y,GAAG,GAAGhV,IAAI,CAAClG,WAAL,CAAiBkb,GAA7B;;AACA,QAAIA,GAAG,KAAK,KAAK8N,UAAb,IAA2B,KAAKD,UAAL,KAAoB,IAAnD,EAAyD;AACvD,UAAIl0B,MAAM,GAAG,KAAKyiB,GAAL,CAASziB,MAAtB;;AACA,UAAIwlB,MAAJ,EAAY;AACV9kB,wBAAM,CAACgN,IAAP,yCAAkDjM,IAAlD;AACA+jB,cAAM,CAACiK,KAAP;AACD;;AACD,UAAI,CAACpJ,GAAL,EAAU;AACR3lB,wBAAM,CAACgN,IAAP,CAAY,kBAAZ;AACA;AACD;;AAED2D,UAAI,CAACmU,MAAL,GAAc,KAAKoI,OAAL,CAAansB,IAAb,IAAqB,IAAIzB,MAAM,CAACwlB,MAAX,CAAkBxlB,MAAlB,CAAnC;AACA,WAAKm0B,UAAL,GAAkB9N,GAAlB;AACA,WAAK6N,UAAL,GAAkB,IAAlB;AAEA,UAAM3E,aAA+B,GAAG;AACtCzU,WAAG,EAAEuL,GADiC;AAEtChV,YAAI,EAAEA,IAFgC;AAGtC6d,oBAAY,EAAE;AAHwB,OAAxC,CAfuD,CAqBvD;AACA;AACA;;AACA,UAAMoB,YAAiC,GAAG;AACxCX,eAAO,EAAE3vB,MAAM,CAAC0zB,kBADwB;AAExChE,gBAAQ,EAAE,CAF8B;AAGxCE,kBAAU,EAAE5vB,MAAM,CAACq0B,qBAHqB;AAIxCxE,qBAAa,EAAE7vB,MAAM,CAAC2zB;AAJkB,OAA1C;AAOA,UAAMpD,eAAkD,GAAG;AACzDC,iBAAS,EAAE,KAAKC,WAAL,CAAiBhmB,IAAjB,CAAsB,IAAtB,CAD8C;AAEzDimB,eAAO,EAAE,KAAKC,SAAL,CAAelmB,IAAf,CAAoB,IAApB,CAFgD;AAGzDmmB,iBAAS,EAAE,KAAKC,WAAL,CAAiBpmB,IAAjB,CAAsB,IAAtB;AAH8C,OAA3D;AAMA4G,UAAI,CAACmU,MAAL,CAAYwJ,IAAZ,CAAiBO,aAAjB,EAAgCe,YAAhC,EAA8CC,eAA9C;AACD,KAtCD,MAsCO,IAAI,KAAK2D,UAAT,EAAqB;AAC1B;AACA7iB,UAAI,CAAClG,WAAL,CAAiB5Q,GAAjB,GAAuB,KAAK25B,UAA5B;AACA,WAAKzR,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAAC6gB,UAAvB,EAAmC;AAAE/Q,YAAI,EAAEA;AAAR,OAAnC;AACD;AACF,G;;SAEDof,W,GAAA,qBAAapC,QAAb,EAAuC9W,KAAvC,EAA2D0W,OAA3D,EAAsF;AACpF,QAAI5c,IAAI,GAAG4c,OAAO,CAAC5c,IAAnB;;AACA,QAAI,CAACA,IAAI,CAAClG,WAAV,EAAuB;AACrBzK,sBAAM,CAACU,KAAP,CAAa,mCAAb;AACA;AACD;;AACD,SAAK8yB,UAAL,GAAkB7iB,IAAI,CAAClG,WAAL,CAAiB5Q,GAAjB,GAAuB,IAAIyN,UAAJ,CAAeqmB,QAAQ,CAAC/zB,IAAxB,CAAzC,CANoF,CAQpF;;AACA+W,QAAI,CAACmU,MAAL,GAAc7lB,SAAd;AACA,WAAO,KAAKiuB,OAAL,CAAavc,IAAI,CAAC5P,IAAlB,CAAP;AACA,SAAKghB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAAC6gB,UAAvB,EAAmC;AAAE/Q,UAAI,EAAEA;AAAR,KAAnC;AACD,G;;SAEDsf,S,GAAA,mBAAWtC,QAAX,EAAqCJ,OAArC,EAAgE;AAC9D,QAAI5c,IAAI,GAAG4c,OAAO,CAAC5c,IAAnB;AACA,QAAImU,MAAM,GAAGnU,IAAI,CAACmU,MAAlB;;AACA,QAAIA,MAAJ,EAAY;AACVA,YAAM,CAACiK,KAAP;AACD;;AAED,WAAO,KAAK7B,OAAL,CAAavc,IAAI,CAAC5P,IAAlB,CAAP;AACA,SAAKghB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,UAAI,EAAEC,oBAAU,CAAC6wB,aAAnB;AAAkC3wB,aAAO,EAAEC,sBAAY,CAACyyB,cAAxD;AAAwEvyB,WAAK,EAAE,KAA/E;AAAsFsP,UAAI,EAAJA,IAAtF;AAA4Fgd,cAAQ,EAARA;AAA5F,KAA9B;AACD,G;;SAEDwC,W,GAAA,qBAAatZ,KAAb,EAAiC0W,OAAjC,EAA4D;AAC1D,QAAI5c,IAAI,GAAG4c,OAAO,CAAC5c,IAAnB;AACA,QAAImU,MAAM,GAAGnU,IAAI,CAACmU,MAAlB;;AACA,QAAIA,MAAJ,EAAY;AACVA,YAAM,CAACiK,KAAP;AACD;;AAED,WAAO,KAAK7B,OAAL,CAAavc,IAAI,CAAC5P,IAAlB,CAAP;AACA,SAAKghB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,UAAI,EAAEC,oBAAU,CAAC6wB,aAAnB;AAAkC3wB,aAAO,EAAEC,sBAAY,CAAC0yB,gBAAxD;AAA0ExyB,WAAK,EAAE,KAAjF;AAAwFsP,UAAI,EAAJA;AAAxF,KAA9B;AACD,G;;;EA/GqBmR,a;;AAkHTyR,mEAAf,E;;;;;;ACtIA;AACA;AAEO,IAAMO,aAAa,GAAG;AAC3BC,YAAU,EAAE,YADe;AAE3BC,WAAS,EAAE,WAFgB;AAG3BC,SAAO,EAAE,SAHkB;AAI3BC,IAAE,EAAE;AAJuB,CAAtB;AAOA,IAAMC,gCAAb;AAAA;AAAA;AAAA;;AACE,2BAAapS,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACElhB,iBAAK,CAAC2e,eADR,EAEE3e,iBAAK,CAACugB,aAFR,EAGEvgB,iBAAK,CAACsgB,WAHR;AAMA,UAAKiT,aAAL,GAAqB,GAArB;AAEA,UAAKpO,SAAL,GAAiBqO,MAAM,CAACC,MAAP,CAAc,IAAd,CAAjB;AACA,UAAKC,UAAL,GAAkBF,MAAM,CAACC,MAAP,CAAc,IAAd,CAAlB;AAEA,UAAKh1B,MAAL,GAAcyiB,GAAG,CAACziB,MAAlB;AAZgB;AAajB;;AAdH;;AAAA,SAgBEN,OAhBF,GAgBE,mBAAW;AACT,SAAKgnB,SAAL,GAAiBqO,MAAM,CAACC,MAAP,CAAc,IAAd,CAAjB;AACA,SAAKC,UAAL,GAAkBF,MAAM,CAACC,MAAP,CAAc,IAAd,CAAlB;AACA,SAAKh1B,MAAL,GAAc,IAAd;AACAwiB,iBAAY,CAAC0S,SAAb,CAAuBx1B,OAAvB,CAA+B6jB,IAA/B,CAAoC,IAApC;;AACA,4BAAM7jB,OAAN;AACD;AAED;;;;;;;AAxBF;;AAAA,SA+BEy1B,eA/BF,GA+BE,yBAAiBrtB,QAAjB,EAA2B8pB,SAA3B,EAAsC;AACpC,QAAMlL,SAAS,GAAG,KAAKA,SAAvB;AACA,QAAM0O,aAAa,GAAGL,MAAM,CAACM,IAAP,CAAY3O,SAAZ,EAAuBgE,MAAvB,CAA8B,UAAAnwB,GAAG,EAAI;AACzD,UAAM+6B,cAAc,GAAG5O,SAAS,CAACnsB,GAAD,CAAhC;;AACA,UAAI+6B,cAAc,CAACC,IAAf,CAAoB9zB,IAApB,KAA6BmwB,SAAjC,EAA4C;AAC1C,eAAO,KAAP;AACD;;AAED,UAAI,CAAC0D,cAAc,CAACE,QAApB,EAA8B;AAC5B,eAAO,KAAP;AACD;;AAED,UAAMnkB,IAAI,GAAGikB,cAAc,CAACC,IAA5B;AACA,aAAOlkB,IAAI,CAACgF,QAAL,IAAiBvO,QAAjB,IAA6BA,QAAQ,IAAIuJ,IAAI,CAACokB,MAArD;AACD,KAZqB,CAAtB;;AAaA,QAAIL,aAAa,CAAC/3B,MAAd,KAAyB,CAA7B,EAAgC;AAC9B,aAAO,IAAP;AACD,KAFD,MAEO;AACL;AACA,UAAMq4B,eAAe,GAAGN,aAAa,CAACjI,GAAd,EAAxB;AACA,aAAOzG,SAAS,CAACgP,eAAD,CAAT,CAA2BH,IAAlC;AACD;AACF;AAED;;;;;;;AAvDF;;AAAA,SA8DEI,sBA9DF,GA8DE,gCAAwBC,gBAAxB,EAA0CC,SAA1C,EAAqD;AAAA;;AACnD,QAAIC,aAAJ,EAAmBC,IAAnB,CADmD,CAEnD;;AACAhB,UAAM,CAACM,IAAP,CAAY,KAAK3O,SAAjB,EAA4B5T,OAA5B,CAAoC,UAAAvY,GAAG,EAAI;AACzC,UAAM+6B,cAAc,GAAG,MAAI,CAAC5O,SAAL,CAAensB,GAAf,CAAvB;;AACA,UAAI+6B,cAAc,CAACE,QAAf,KAA4B,IAAhC,EAAsC;AACpC,YAAMQ,MAAM,GAAGV,cAAc,CAACW,KAAf,CAAqBL,gBAArB,CAAf;;AACA,YAAII,MAAJ,EAAY;AACVF,uBAAa,GAAGE,MAAM,CAACD,IAAvB;;AACA,eAAK,IAAI/5B,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG85B,aAAa,CAACz4B,MAAlC,EAA0CrB,CAAC,EAA3C,EAA+C;AAC7C+5B,gBAAI,GAAGD,aAAa,CAAC95B,CAAD,CAApB;;AAEA,gBAAI,MAAI,CAACk6B,cAAL,CAAoBH,IAAI,CAAC1f,QAAzB,EAAmC0f,IAAI,CAACN,MAAxC,EAAgDI,SAAhD,MAA+D,KAAnE,EAA0E;AACxE;AACA,oBAAI,CAACM,cAAL,CAAoBb,cAAc,CAACC,IAAnC;;AACA;AACD;AACF;AACF;AACF;AACF,KAjBD;AAkBD;AAED;;;;;AArFF;;AAAA,SA0FEa,sBA1FF,GA0FE,gCAAwB1X,QAAxB,EAAkC;AAAA;;AAChC,QAAI2X,OAAO,GAAG,KAAKC,cAAL,CAAoB5X,QAApB,CAAd;AACA,QAAI4W,cAAc,GAAG,KAAK5O,SAAL,CAAe2P,OAAf,CAArB;;AACA,QAAIf,cAAJ,EAAoB;AAClBA,oBAAc,CAACE,QAAf,GAA0B,IAA1B;AAEAT,YAAM,CAACM,IAAP,CAAY,KAAKJ,UAAjB,EAA6BniB,OAA7B,CAAqC,UAAA8iB,gBAAgB,EAAI;AACvD,YAAIlX,QAAQ,CAACsH,mBAAT,CAA6B4P,gBAA7B,CAAJ,EAAoD;AAClD,cAAIC,SAAS,GAAG,MAAI,CAACZ,UAAL,CAAgBW,gBAAhB,CAAhB,CADkD,CAElD;AACA;;AACAN,wBAAc,CAACW,KAAf,CAAqBL,gBAArB,IAAyC,MAAI,CAACW,gBAAL,CAAsB7X,QAAQ,CAACrI,QAA/B,EAAyCqI,QAAQ,CAAC+W,MAAlD,EAA0DI,SAA1D,CAAzC;AACD;AACF,OAPD;AAQD;AACF,GAzGH;;AAAA,SA2GEU,gBA3GF,GA2GE,0BAAkBlgB,QAAlB,EAA4Bof,MAA5B,EAAoCI,SAApC,EAA+C;AAC7C,QAAIC,aAAa,GAAG,EAApB;AACA,QAAI1e,SAAJ,EAAeC,OAAf;AACA,QAAImf,eAAe,GAAG,KAAtB;;AACA,SAAK,IAAIx6B,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG65B,SAAS,CAACx4B,MAA9B,EAAsCrB,CAAC,EAAvC,EAA2C;AACzCob,eAAS,GAAGye,SAAS,CAACrnB,KAAV,CAAgBxS,CAAhB,IAAqB,KAAK84B,aAAtC;AACAzd,aAAO,GAAGwe,SAAS,CAAC5b,GAAV,CAAcje,CAAd,IAAmB,KAAK84B,aAAlC;;AACA,UAAIze,QAAQ,IAAIe,SAAZ,IAAyBqe,MAAM,IAAIpe,OAAvC,EAAgD;AAC9C;AACA;AACAye,qBAAa,CAACpxB,IAAd,CAAmB;AACjB2R,kBAAQ,EAAEnO,IAAI,CAACoX,GAAL,CAASjJ,QAAT,EAAmBwf,SAAS,CAACrnB,KAAV,CAAgBxS,CAAhB,CAAnB,CADO;AAEjBy5B,gBAAM,EAAEvtB,IAAI,CAACC,GAAL,CAASstB,MAAT,EAAiBI,SAAS,CAAC5b,GAAV,CAAcje,CAAd,CAAjB;AAFS,SAAnB;AAIA;AACD,OARD,MAQO,IAAIqa,QAAQ,GAAGgB,OAAX,IAAsBoe,MAAM,GAAGre,SAAnC,EAA8C;AACnD;AACA;AACA0e,qBAAa,CAACpxB,IAAd,CAAmB;AACjB2R,kBAAQ,EAAEnO,IAAI,CAACoX,GAAL,CAASjJ,QAAT,EAAmBwf,SAAS,CAACrnB,KAAV,CAAgBxS,CAAhB,CAAnB,CADO;AAEjBy5B,gBAAM,EAAEvtB,IAAI,CAACC,GAAL,CAASstB,MAAT,EAAiBI,SAAS,CAAC5b,GAAV,CAAcje,CAAd,CAAjB;AAFS,SAAnB;AAIAw6B,uBAAe,GAAG,IAAlB;AACD,OARM,MAQA,IAAIf,MAAM,IAAIre,SAAd,EAAyB;AAC9B;AACA;AACD;AACF;;AAED,WAAO;AACL2e,UAAI,EAAED,aADD;AAELW,aAAO,EAAED;AAFJ,KAAP;AAID,GA5IH;;AAAA,SA8IEF,cA9IF,GA8IE,wBAAgB5X,QAAhB,EAA0B;AACxB,WAAUA,QAAQ,CAACjd,IAAnB,SAA2Bid,QAAQ,CAAC4G,KAApC,SAA6C5G,QAAQ,CAAC2G,KAAtD,SAA+D3G,QAAQ,CAAC0G,EAAxE;AACD;AAED;;;;;AAlJF;;AAAA,SAuJEsR,kBAvJF,GAuJE,4BAAoBX,IAApB,EAA0B;AAAA;;AACxB,QAAIY,WAAJ,EAAiBvf,SAAjB,EAA4BC,OAA5B;AACA,QAAIuf,YAAY,GAAG,IAAnB;AACA,QAAIC,WAAW,GAAG,CAAlB;AACA9B,UAAM,CAACM,IAAP,CAAY,KAAK3O,SAAjB,EAA4B5T,OAA5B,CAAoC,UAAAvY,GAAG,EAAI;AACzC,UAAM+6B,cAAc,GAAG,MAAI,CAAC5O,SAAL,CAAensB,GAAf,CAAvB;;AACA,UAAI,MAAI,CAACu8B,SAAL,CAAexB,cAAf,CAAJ,EAAoC;AAClCle,iBAAS,GAAGke,cAAc,CAACC,IAAf,CAAoBlf,QAApB,GAA+B,MAAI,CAACye,aAAhD;AACAzd,eAAO,GAAGie,cAAc,CAACC,IAAf,CAAoBE,MAApB,GAA6B,MAAI,CAACX,aAA5C;;AACA,YAAIiB,IAAI,IAAI3e,SAAR,IAAqB2e,IAAI,IAAI1e,OAAjC,EAA0C;AACxC;AACAsf,qBAAW,GAAGzuB,IAAI,CAACC,GAAL,CAAS4tB,IAAI,GAAG3e,SAAhB,EAA2BC,OAAO,GAAG0e,IAArC,CAAd;;AACA,cAAIc,WAAW,IAAIF,WAAnB,EAAgC;AAC9BC,wBAAY,GAAGtB,cAAc,CAACC,IAA9B;AACAsB,uBAAW,GAAGF,WAAd;AACD;AACF;AACF;AACF,KAdD;AAeA,WAAOC,YAAP;AACD;AAED;;;;AA7KF;;AAAA,SAiLEG,QAjLF,GAiLE,kBAAUrY,QAAV,EAAoB;AAClB,QAAI2X,OAAO,GAAG,KAAKC,cAAL,CAAoB5X,QAApB,CAAd;AACA,QAAI4W,cAAc,GAAG,KAAK5O,SAAL,CAAe2P,OAAf,CAArB;AACA,QAAIphB,KAAK,GAAGuf,aAAa,CAACC,UAA1B;;AAEA,QAAIa,cAAc,KAAK31B,SAAvB,EAAkC;AAChC,UAAI,CAAC21B,cAAc,CAACE,QAApB,EAA8B;AAC5BvgB,aAAK,GAAGuf,aAAa,CAACE,SAAtB;AACD,OAFD,MAEO,IAAI,KAAKoC,SAAL,CAAexB,cAAf,MAAmC,IAAvC,EAA6C;AAClDrgB,aAAK,GAAGuf,aAAa,CAACG,OAAtB;AACD,OAFM,MAEA;AACL1f,aAAK,GAAGuf,aAAa,CAACI,EAAtB;AACD;AACF;;AAED,WAAO3f,KAAP;AACD,GAjMH;;AAAA,SAmME6hB,SAnMF,GAmME,mBAAWxB,cAAX,EAA2B;AACzB,WAAOA,cAAc,CAACE,QAAf,KAA4B,IAA5B,KACHF,cAAc,CAACW,KAAf,CAAqBlpB,KAArB,KAA+BpN,SAA/B,IAA4C21B,cAAc,CAACW,KAAf,CAAqBlpB,KAArB,CAA2B0pB,OAA3B,KAAuC,IAApF,IACEnB,cAAc,CAACW,KAAf,CAAqBjpB,KAArB,KAA+BrN,SAA/B,IAA4C21B,cAAc,CAACW,KAAf,CAAqBjpB,KAArB,CAA2BypB,OAA3B,KAAuC,IAFjF,CAAP;AAGD,GAvMH;;AAAA,SAyMEP,cAzMF,GAyME,wBAAgB7f,QAAhB,EAA0Bof,MAA1B,EAAkCI,SAAlC,EAA6C;AAC3C,QAAIze,SAAJ,EAAeC,OAAf;;AACA,SAAK,IAAIrb,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG65B,SAAS,CAACx4B,MAA9B,EAAsCrB,CAAC,EAAvC,EAA2C;AACzCob,eAAS,GAAGye,SAAS,CAACrnB,KAAV,CAAgBxS,CAAhB,IAAqB,KAAK84B,aAAtC;AACAzd,aAAO,GAAGwe,SAAS,CAAC5b,GAAV,CAAcje,CAAd,IAAmB,KAAK84B,aAAlC;;AACA,UAAIze,QAAQ,IAAIe,SAAZ,IAAyBqe,MAAM,IAAIpe,OAAvC,EAAgD;AAC9C,eAAO,IAAP;AACD;;AAED,UAAIoe,MAAM,IAAIre,SAAd,EAAyB;AACvB;AACA,eAAO,KAAP;AACD;AACF;;AAED,WAAO,KAAP;AACD;AAED;;;AA3NF;;AAAA,SA8NE4f,YA9NF,GA8NE,sBAAc32B,CAAd,EAAiB;AACf,QAAMqe,QAAQ,GAAGre,CAAC,CAACgR,IAAnB,CADe,CAEf;AACA;;AACA,QAAI,CAAC,0CAAgBqN,QAAQ,CAAC0G,EAAzB,CAAD,IAAiC1G,QAAQ,CAACuY,WAA9C,EAA2D;AACzD;AACD;;AAED,SAAKvQ,SAAL,CAAe,KAAK4P,cAAL,CAAoB5X,QAApB,CAAf,IAAgD;AAC9C6W,UAAI,EAAE7W,QADwC;AAE9CuX,WAAK,EAAElB,MAAM,CAACC,MAAP,CAAc,IAAd,CAFuC;AAG9CQ,cAAQ,EAAE;AAHoC,KAAhD;AAKD;AAED;;;AA7OF;;AAAA,SAgPE0B,gBAhPF,GAgPE,0BAAkB72B,CAAlB,EAAqB;AAAA;;AACnB;AACA,SAAK40B,UAAL,GAAkB50B,CAAC,CAAC40B,UAApB;AACAF,UAAM,CAACM,IAAP,CAAY,KAAKJ,UAAjB,EAA6BniB,OAA7B,CAAqC,UAAA8iB,gBAAgB,EAAI;AACvD,UAAIC,SAAS,GAAG,MAAI,CAACZ,UAAL,CAAgBW,gBAAhB,CAAhB;;AACA,YAAI,CAACD,sBAAL,CAA4BC,gBAA5B,EAA8CC,SAA9C;AACD,KAHD;AAID;AAED;;;AAzPF;;AAAA,SA4PEsB,cA5PF,GA4PE,wBAAgB92B,CAAhB,EAAmB;AACjB,SAAK+1B,sBAAL,CAA4B/1B,CAAC,CAACgR,IAA9B;AACD;AAED;;;;;AAhQF;;AAAA,SAqQE+lB,WArQF,GAqQE,qBAAa1Y,QAAb,EAAuB;AACrB,QAAM2X,OAAO,GAAG,KAAKC,cAAL,CAAoB5X,QAApB,CAAhB;AACA,WAAO,KAAKgI,SAAL,CAAe2P,OAAf,MAA4B12B,SAAnC;AACD;AAED;;;;AA1QF;;AAAA,SA8QEw2B,cA9QF,GA8QE,wBAAgBzX,QAAhB,EAA0B;AACxB,QAAI2X,OAAO,GAAG,KAAKC,cAAL,CAAoB5X,QAApB,CAAd;AACA,WAAO,KAAKgI,SAAL,CAAe2P,OAAf,CAAP;AACD;AAED;;;AAnRF;;AAAA,SAsREgB,kBAtRF,GAsRE,8BAAsB;AACpB,SAAK3Q,SAAL,GAAiBqO,MAAM,CAACC,MAAP,CAAc,IAAd,CAAjB;AACD,GAxRH;;AAAA;AAAA,EAAqCxS,aAArC,E;;ACRA,IAAM8U,YAAY,GAAG;AAEnB;;;;;;;;;;;;;;;AAeAC,QAAM,EAAE,gBAAaC,IAAb,EAAwBC,YAAxB,EAA2E;AACjF,QAAIC,QAAgB,GAAG,CAAvB;AACA,QAAIC,QAAgB,GAAGH,IAAI,CAACn6B,MAAL,GAAc,CAArC;AACA,QAAIu6B,YAA2B,GAAG,IAAlC;AACA,QAAIC,cAAwB,GAAG,IAA/B;;AAEA,WAAOH,QAAQ,IAAIC,QAAnB,EAA6B;AAC3BC,kBAAY,GAAG,CAACF,QAAQ,GAAGC,QAAZ,IAAwB,CAAxB,GAA4B,CAA3C;AACAE,oBAAc,GAAGL,IAAI,CAACI,YAAD,CAArB;AAEA,UAAIE,gBAAgB,GAAGL,YAAY,CAACI,cAAD,CAAnC;;AACA,UAAIC,gBAAgB,GAAG,CAAvB,EAA0B;AACxBJ,gBAAQ,GAAGE,YAAY,GAAG,CAA1B;AACD,OAFD,MAEO,IAAIE,gBAAgB,GAAG,CAAvB,EAA0B;AAC/BH,gBAAQ,GAAGC,YAAY,GAAG,CAA1B;AACD,OAFM,MAEA;AACL,eAAOC,cAAP;AACD;AACF;;AAED,WAAO,IAAP;AACD;AAtCkB,CAArB;AAyCeP,8DAAf,E;;AC3CA;;;;;;;;;AAmBO,IAAMS,YAAb;AAAA;AAAA;AAAA;;AACE;;;;;;AADF,eAOSC,UAPT,GAOE,oBAAmB3M,KAAnB,EAAsCvjB,QAAtC,EAAiE;AAC/D,QAAI;AACF,UAAIujB,KAAJ,EAAW;AACT,YAAImK,QAAQ,GAAGnK,KAAK,CAACmK,QAArB;;AACA,aAAK,IAAIx5B,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGw5B,QAAQ,CAACn4B,MAA7B,EAAqCrB,CAAC,EAAtC,EAA0C;AACxC,cAAI8L,QAAQ,IAAI0tB,QAAQ,CAAChnB,KAAT,CAAexS,CAAf,CAAZ,IAAiC8L,QAAQ,IAAI0tB,QAAQ,CAACvb,GAAT,CAAaje,CAAb,CAAjD,EAAkE;AAChE,mBAAO,IAAP;AACD;AACF;AACF;AACF,KATD,CASE,OAAOoF,KAAP,EAAc,CACd;AACA;AACA;AACD;;AACD,WAAO,KAAP;AACD,GAvBH;;AAAA,eAyBS62B,UAzBT,GAyBE,oBACE5M,KADF,EAEE1W,GAFF,EAGEujB,eAHF,EASE;AACA,QAAI;AACF,UAAI7M,KAAJ,EAAW;AACT,YAAI8M,SAAS,GAAG9M,KAAK,CAACmK,QAAtB;AACA,YAAIA,QAA2B,GAAG,EAAlC;AACA,YAAIx5B,CAAJ;;AACA,aAAKA,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGm8B,SAAS,CAAC96B,MAA1B,EAAkCrB,CAAC,EAAnC,EAAuC;AACrCw5B,kBAAQ,CAAC9wB,IAAT,CAAc;AAAE8J,iBAAK,EAAE2pB,SAAS,CAAC3pB,KAAV,CAAgBxS,CAAhB,CAAT;AAA6Bie,eAAG,EAAEke,SAAS,CAACle,GAAV,CAAcje,CAAd;AAAlC,WAAd;AACD;;AAED,eAAO,KAAKo8B,YAAL,CAAkB5C,QAAlB,EAA4B7gB,GAA5B,EAAiCujB,eAAjC,CAAP;AACD;AACF,KAXD,CAWE,OAAO92B,KAAP,EAAc,CACd;AACA;AACA;AACD;;AACD,WAAO;AAAEmE,SAAG,EAAE,CAAP;AAAUiJ,WAAK,EAAEmG,GAAjB;AAAsBsF,SAAG,EAAEtF,GAA3B;AAAgC0jB,eAAS,EAAE14B;AAA3C,KAAP;AACD,GApDH;;AAAA,eAsDSy4B,YAtDT,GAsDE,sBACE5C,QADF,EAEE7gB,GAFF,EAGEujB,eAHF,EASE;AACA;AACA1C,YAAQ,CAAC8C,IAAT,CAAc,UAAUC,CAAV,EAAaplB,CAAb,EAAgB;AAC5B,UAAIqlB,IAAI,GAAGD,CAAC,CAAC/pB,KAAF,GAAU2E,CAAC,CAAC3E,KAAvB;;AACA,UAAIgqB,IAAJ,EAAU;AACR,eAAOA,IAAP;AACD,OAFD,MAEO;AACL,eAAOrlB,CAAC,CAAC8G,GAAF,GAAQse,CAAC,CAACte,GAAjB;AACD;AACF,KAPD;AASA,QAAIwe,SAA4B,GAAG,EAAnC;;AACA,QAAIP,eAAJ,EAAqB;AACnB;AACA;AACA;AACA,WAAK,IAAIl8B,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGw5B,QAAQ,CAACn4B,MAA7B,EAAqCrB,CAAC,EAAtC,EAA0C;AACxC,YAAI08B,OAAO,GAAGD,SAAS,CAACp7B,MAAxB;;AACA,YAAIq7B,OAAJ,EAAa;AACX,cAAIC,OAAO,GAAGF,SAAS,CAACC,OAAO,GAAG,CAAX,CAAT,CAAuBze,GAArC,CADW,CAEX;;AACA,cAAKub,QAAQ,CAACx5B,CAAD,CAAR,CAAYwS,KAAZ,GAAoBmqB,OAArB,GAAgCT,eAApC,EAAqD;AACnD;AACA;AACA;AACA;AACA,gBAAI1C,QAAQ,CAACx5B,CAAD,CAAR,CAAYie,GAAZ,GAAkB0e,OAAtB,EAA+B;AAC7BF,uBAAS,CAACC,OAAO,GAAG,CAAX,CAAT,CAAuBze,GAAvB,GAA6Bub,QAAQ,CAACx5B,CAAD,CAAR,CAAYie,GAAzC;AACD;AACF,WARD,MAQO;AACL;AACAwe,qBAAS,CAAC/zB,IAAV,CAAe8wB,QAAQ,CAACx5B,CAAD,CAAvB;AACD;AACF,SAfD,MAeO;AACL;AACAy8B,mBAAS,CAAC/zB,IAAV,CAAe8wB,QAAQ,CAACx5B,CAAD,CAAvB;AACD;AACF;AACF,KA1BD,MA0BO;AACLy8B,eAAS,GAAGjD,QAAZ;AACD;;AAED,QAAIoD,SAAS,GAAG,CAAhB,CA1CA,CA4CA;;AACA,QAAIC,eAAJ,CA7CA,CA+CA;;AACA,QAAIC,WAAmB,GAAGnkB,GAA1B;AACA,QAAIokB,SAAiB,GAAGpkB,GAAxB;;AACA,SAAK,IAAI3Y,EAAC,GAAG,CAAb,EAAgBA,EAAC,GAAGy8B,SAAS,CAACp7B,MAA9B,EAAsCrB,EAAC,EAAvC,EAA2C;AACzC,UAAIwS,KAAK,GAAGiqB,SAAS,CAACz8B,EAAD,CAAT,CAAawS,KAAzB;AAAA,UACEyL,GAAG,GAAGwe,SAAS,CAACz8B,EAAD,CAAT,CAAaie,GADrB,CADyC,CAGzC;;AACA,UAAKtF,GAAG,GAAGujB,eAAP,IAA2B1pB,KAA3B,IAAoCmG,GAAG,GAAGsF,GAA9C,EAAmD;AACjD;AACA6e,mBAAW,GAAGtqB,KAAd;AACAuqB,iBAAS,GAAG9e,GAAZ;AACA2e,iBAAS,GAAGG,SAAS,GAAGpkB,GAAxB;AACD,OALD,MAKO,IAAKA,GAAG,GAAGujB,eAAP,GAA0B1pB,KAA9B,EAAqC;AAC1CqqB,uBAAe,GAAGrqB,KAAlB;AACA;AACD;AACF;;AACD,WAAO;AAAEjJ,SAAG,EAAEqzB,SAAP;AAAkBpqB,WAAK,EAAEsqB,WAAzB;AAAsC7e,SAAG,EAAE8e,SAA3C;AAAsDV,eAAS,EAAEQ;AAAjE,KAAP;AACD,GAhIH,CAkIE;AACA;AACA;AApIF;;AAAA,eAqISG,6BArIT,GAqIE,uCAAqC3N,KAArC,EAA4C1W,GAA5C,EAAiDskB,sBAAjD,EAAyE;AACvE,QAAMC,WAAW,GAAG7N,KAAK,GAAGA,KAAK,CAAC6N,WAAT,GAAuBv5B,SAAhD,CADuE,CAGvE;;AACA,QAAIo4B,YAAY,CAACC,UAAb,CAAwB3M,KAAxB,EAA+B6N,WAA/B,CAAJ,EAAiD;AAC/C,aAAOvkB,GAAP;AACD;;AAED,QAAM6gB,QAAQ,GAAGnK,KAAK,CAACmK,QAAvB;;AACA,SAAK,IAAIx5B,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGw5B,QAAQ,CAACn4B,MAA7B,EAAqCrB,CAAC,EAAtC,EAA0C;AACxC,UAAMwS,KAAK,GAAGgnB,QAAQ,CAAChnB,KAAT,CAAexS,CAAf,CAAd,CADwC,CAGxC;;AACA,UAAIwS,KAAK,GAAG0qB,WAAR,IAAuB1qB,KAAK,GAAG0qB,WAAW,GAAGD,sBAAjD,EAAyE;AACvE,eAAO/wB,IAAI,CAAC6C,IAAL,CAAUyD,KAAK,GAAG,EAAlB,IAAwB,EAA/B;AACD;AACF;;AAED,WAAOmG,GAAP;AACD,GAxJH;;AAAA;AAAA,I;;;;;;;;;;;ACnBA;;;AAIO,SAASwkB,cAAT,GAA2D;AAChE,SAAQzL,MAAD,CAAgBzE,WAAhB,IAAgCyE,MAAD,CAAgB0L,iBAAtD;AACD,C;;;;;;;ACND;AAEA;;;;AAGO,IAAMC,QAAb;AAAA;AAAA;AAAA;;AAAA;AAAA;AAAA;;AAAA;;AACE;;;;;AADF,SAME/3B,OANF,GAME,iBAAS6W,KAAT,EAAmD;AAAA,sCAAxB7d,IAAwB;AAAxBA,UAAwB;AAAA;;AACjD,SAAK8d,IAAL,cAAUD,KAAV,EAAiBA,KAAjB,SAA2B7d,IAA3B;AACD,GARH;;AAAA;AAAA,EAA8B4d,6BAA9B,E;;;ACLA;AACA;AAEA;AACA;AACA;AACA;AACA;AACA;CAIA;;AACA,IAAMtY,MAAM,GAAGC,sCAAY,EAA3B,C,CAA+B;;AAC/B,IAAMopB,mBAAW,GAAGkQ,cAAc,MAAM;AAAEjQ,iBAAe,EAAE;AAAA,WAAM,KAAN;AAAA;AAAnB,CAAxC;;IAEMoQ,e;;;AACJ,mBAAa7W,GAAb,EAAkBrd,EAAlB,EAAsB;AAAA;;AACpB,SAAKqd,GAAL,GAAWA,GAAX;AACA,SAAKrd,EAAL,GAAUA,EAAV;AAEA,QAAMrF,QAAQ,GAAG,KAAKA,QAAL,GAAgB,IAAIs5B,QAAJ,EAAjC;AACA,QAAMr5B,MAAM,GAAGyiB,GAAG,CAACziB,MAAnB;;AAEA,QAAMuY,cAAc,GAAG,SAAjBA,cAAiB,CAACC,EAAD,EAAKle,IAAL,EAAc;AACnCA,UAAI,GAAGA,IAAI,IAAI,EAAf;AACAA,UAAI,CAAC+W,IAAL,GAAY,KAAI,CAACA,IAAjB;AACA/W,UAAI,CAAC8K,EAAL,GAAU,KAAI,CAACA,EAAf;AACAqd,SAAG,CAACnhB,OAAJ,CAAYkX,EAAZ,EAAgBle,IAAhB;AACD,KALD,CAPoB,CAcpB;;;AACAyF,YAAQ,CAACgZ,EAAT,CAAYxX,iBAAK,CAAC+V,cAAlB,EAAkCiB,cAAlC;AACAxY,YAAQ,CAACgZ,EAAT,CAAYxX,iBAAK,CAACyX,yBAAlB,EAA6CT,cAA7C;AACAxY,YAAQ,CAACgZ,EAAT,CAAYxX,iBAAK,CAAC4U,iBAAlB,EAAqCoC,cAArC;AACAxY,YAAQ,CAACgZ,EAAT,CAAYxX,iBAAK,CAACmV,WAAlB,EAA+B6B,cAA/B;AACAxY,YAAQ,CAACgZ,EAAT,CAAYxX,iBAAK,CAACC,KAAlB,EAAyB+W,cAAzB;AACAxY,YAAQ,CAACgZ,EAAT,CAAYxX,iBAAK,CAAC0X,qBAAlB,EAAyCV,cAAzC;AACAxY,YAAQ,CAACgZ,EAAT,CAAYxX,iBAAK,CAAC2X,qBAAlB,EAAyCX,cAAzC;AACAxY,YAAQ,CAACgZ,EAAT,CAAYxX,iBAAK,CAAC4X,cAAlB,EAAkCZ,cAAlC;AAEA,QAAMnL,aAAa,GAAG;AACpBmsB,SAAG,EAAEtQ,mBAAW,CAACC,eAAZ,CAA4B,WAA5B,CADe;AAEpB5Y,UAAI,EAAE2Y,mBAAW,CAACC,eAAZ,CAA4B,YAA5B,CAFc;AAGpB3Y,SAAG,EAAE0Y,mBAAW,CAACC,eAAZ,CAA4B,yBAA5B;AAHe,KAAtB,CAxBoB,CA6BpB;AACA;;AACA,QAAMnS,MAAM,GAAGvU,SAAS,CAACuU,MAAzB;;AACA,QAAI/W,MAAM,CAACw5B,YAAP,IAAwB,OAAQC,MAAR,KAAoB,WAAhD,EAA8D;AAC5D/4B,sBAAM,CAACC,GAAP,CAAW,uBAAX;AACA,UAAI+4B,CAAJ;;AACA,UAAI;AACFA,SAAC,GAAG,KAAKA,CAAL,GAASC,kBAAI,CAACC,mBAAA,CAAgB,iEAAhB,CAAD,CAAjB;AACA,aAAKC,MAAL,GAAc,KAAKC,eAAL,CAAqBrvB,IAArB,CAA0B,IAA1B,CAAd;AACAivB,SAAC,CAAChhB,gBAAF,CAAmB,SAAnB,EAA8B,KAAKmhB,MAAnC;;AACAH,SAAC,CAACK,OAAF,GAAY,UAAU5hB,KAAV,EAAiB;AAC3BsK,aAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AAAEC,gBAAI,EAAEC,oBAAU,CAAC8hB,WAAnB;AAAgC5hB,mBAAO,EAAEC,sBAAY,CAAC4hB,kBAAtD;AAA0E1hB,iBAAK,EAAE,IAAjF;AAAuFoW,iBAAK,EAAE,eAA9F;AAA+GlX,eAAG,EAAE;AAAEI,qBAAO,EAAE8W,KAAK,CAAC9W,OAAN,GAAgB,IAAhB,GAAuB8W,KAAK,CAAC6hB,QAA7B,GAAwC,GAAxC,GAA8C7hB,KAAK,CAAC8hB,MAApD,GAA6D;AAAxE;AAApH,WAAzB;AACD,SAFD;;AAGAP,SAAC,CAACjhB,WAAF,CAAc;AAAEE,aAAG,EAAE,MAAP;AAAevL,uBAAa,EAAEA,aAA9B;AAA6C2J,gBAAM,EAAEA,MAArD;AAA6D3R,YAAE,EAAEA,EAAjE;AAAqEpF,gBAAM,EAAE4Y,IAAI,CAACshB,SAAL,CAAel6B,MAAf;AAA7E,SAAd;AACD,OARD,CAQE,OAAOiB,GAAP,EAAY;AACZP,wBAAM,CAACgN,IAAP,CAAY,kBAAZ,EAAgCzM,GAAhC;AACAP,wBAAM,CAACU,KAAP,CAAa,mEAAb;;AACA,YAAIs4B,CAAJ,EAAO;AACL;AACA95B,gBAAM,CAACu6B,GAAP,CAAWC,eAAX,CAA2BV,CAAC,CAACW,SAA7B;AACD;;AACD,aAAKrjB,OAAL,GAAe,IAAIF,yBAAJ,CAAkB/W,QAAlB,EAA4BqN,aAA5B,EAA2CpN,MAA3C,EAAmD+W,MAAnD,CAAf;AACA,aAAK2iB,CAAL,GAAS/5B,SAAT;AACD;AACF,KArBD,MAqBO;AACL,WAAKqX,OAAL,GAAe,IAAIF,yBAAJ,CAAkB/W,QAAlB,EAA4BqN,aAA5B,EAA2CpN,MAA3C,EAAmD+W,MAAnD,CAAf;AACD;AACF;;;;SAEDrX,O,GAAA,mBAAW;AACT,QAAIg6B,CAAC,GAAG,KAAKA,CAAb;;AACA,QAAIA,CAAJ,EAAO;AACLA,OAAC,CAACY,mBAAF,CAAsB,SAAtB,EAAiC,KAAKT,MAAtC;AACAH,OAAC,CAACa,SAAF;AACA,WAAKb,CAAL,GAAS,IAAT;AACD,KAJD,MAIO;AACL,UAAI1iB,OAAO,GAAG,KAAKA,OAAnB;;AACA,UAAIA,OAAJ,EAAa;AACXA,eAAO,CAACtX,OAAR;AACA,aAAKsX,OAAL,GAAe,IAAf;AACD;AACF;;AACD,QAAMjX,QAAQ,GAAG,KAAKA,QAAtB;;AACA,QAAIA,QAAJ,EAAc;AACZA,cAAQ,CAACy6B,kBAAT;AACA,WAAKz6B,QAAL,GAAgB,IAAhB;AACD;AACF,G;;SAED2E,I,GAAA,cAAMpK,IAAN,EAAYyK,WAAZ,EAAyB7C,UAAzB,EAAqC8C,UAArC,EAAiDqM,IAAjD,EAAuDpM,QAAvD,EAAiEgB,kBAAjE,EAAqFkR,cAArF,EAAqG;AACnG,QAAMuiB,CAAC,GAAG,KAAKA,CAAf;AACA,QAAM3zB,UAAU,GAAG,0CAAgBsL,IAAI,CAACgF,QAArB,IAAiChF,IAAI,CAACgF,QAAtC,GAAiDhF,IAAI,CAAC7C,KAAzE;AACA,QAAMrD,WAAW,GAAGkG,IAAI,CAAClG,WAAzB;AACA,QAAMsvB,QAAQ,GAAG,KAAKppB,IAAtB;AACA,QAAM4F,aAAa,GAAG,EAAEwjB,QAAQ,IAAKppB,IAAI,CAAC4T,EAAL,KAAYwV,QAAQ,CAACxV,EAApC,CAAtB;AACA,QAAM/N,WAAW,GAAG,EAAEujB,QAAQ,IAAKppB,IAAI,CAACiU,KAAL,KAAemV,QAAQ,CAACnV,KAAvC,CAApB;AACA,QAAMoV,MAAM,GAAGD,QAAQ,IAAKppB,IAAI,CAAC+T,EAAL,KAAaqV,QAAQ,CAACrV,EAAT,GAAc,CAAvD;AACA,QAAMpf,UAAU,GAAG,CAACkR,WAAD,IAAgBwjB,MAAnC;;AACA,QAAIzjB,aAAJ,EAAmB;AACjBvW,sBAAM,CAACC,GAAP,CAAc,KAAKyE,EAAnB;AACD;;AAED,QAAI8R,WAAJ,EAAiB;AACfxW,sBAAM,CAACC,GAAP,CAAc,KAAKyE,EAAnB;AACD;;AAED,SAAKiM,IAAL,GAAYA,IAAZ;;AACA,QAAIqoB,CAAJ,EAAO;AACL;AACAA,OAAC,CAACjhB,WAAF,CAAc;AAAEE,WAAG,EAAE,OAAP;AAAgBre,YAAI,EAAJA,IAAhB;AAAsB6Q,mBAAW,EAAXA,WAAtB;AAAmCpG,mBAAW,EAAXA,WAAnC;AAAgD7C,kBAAU,EAAVA,UAAhD;AAA4D8C,kBAAU,EAAVA,UAA5D;AAAwEe,kBAAU,EAAVA,UAAxE;AAAoFkR,qBAAa,EAAbA,aAApF;AAAmGC,mBAAW,EAAXA,WAAnG;AAAgHlR,kBAAU,EAAVA,UAAhH;AAA4Hf,gBAAQ,EAARA,QAA5H;AAAsIgB,0BAAkB,EAAlBA,kBAAtI;AAA0JkR,sBAAc,EAAdA;AAA1J,OAAd,EAA0L7c,IAAI,YAAYqgC,WAAhB,GAA8B,CAACrgC,IAAD,CAA9B,GAAuC,EAAjO;AACD,KAHD,MAGO;AACL,UAAI0c,OAAO,GAAG,KAAKA,OAAnB;;AACA,UAAIA,OAAJ,EAAa;AACXA,eAAO,CAACtS,IAAR,CAAapK,IAAb,EAAmB6Q,WAAnB,EAAgCpG,WAAhC,EAA6C7C,UAA7C,EAAyD8C,UAAzD,EAAqEe,UAArE,EAAiFkR,aAAjF,EAAgGC,WAAhG,EAA6GlR,UAA7G,EAAyHf,QAAzH,EAAmIgB,kBAAnI,EAAuJkR,cAAvJ;AACD;AACF;AACF,G;;SAED2iB,e,GAAA,yBAAiBthB,EAAjB,EAAqB;AACnB,QAAIle,IAAI,GAAGke,EAAE,CAACle,IAAd;AAAA,QACEmoB,GAAG,GAAG,KAAKA,GADb;;AAEA,YAAQnoB,IAAI,CAAC6d,KAAb;AACA,WAAK,MAAL;AACE;AACAvY,cAAM,CAACu6B,GAAP,CAAWC,eAAX,CAA2B,KAAKV,CAAL,CAAOW,SAAlC;AACA;AACA;;AACF,WAAK94B,iBAAK,CAAC4U,iBAAX;AACE7b,YAAI,CAACA,IAAL,CAAU8b,KAAV,GAAkB,IAAIpO,UAAJ,CAAe1N,IAAI,CAAC8b,KAApB,CAAlB;;AACA,YAAI9b,IAAI,CAAC+e,KAAT,EAAgB;AACd/e,cAAI,CAACA,IAAL,CAAU+e,KAAV,GAAkB,IAAIrR,UAAJ,CAAe1N,IAAI,CAAC+e,KAApB,CAAlB;AACD;;AAED;;AACF;AACE/e,YAAI,CAACA,IAAL,GAAYA,IAAI,CAACA,IAAL,IAAa,EAAzB;AACAA,YAAI,CAACA,IAAL,CAAU+W,IAAV,GAAiB,KAAKA,IAAtB;AACA/W,YAAI,CAACA,IAAL,CAAU8K,EAAV,GAAe,KAAKA,EAApB;AACAqd,WAAG,CAACnhB,OAAJ,CAAYhH,IAAI,CAAC6d,KAAjB,EAAwB7d,IAAI,CAACA,IAA7B;AACA;AAlBF;AAoBD,G;;;;;AAGYg/B,iEAAf,E;;;;;;;ACtJA;;;;;;;;AASA;AAEO,SAASsB,UAAT,CAAqBtV,KAArB,EAA4B7jB,IAA5B,EAAkC2D,EAAlC,EAAsC;AAC3C,UAAQ3D,IAAR;AACA,SAAK,OAAL;AACE,UAAI,CAAC6jB,KAAK,CAACuV,aAAX,EAA0B;AACxBvV,aAAK,CAACuV,aAAN,GAAsB,EAAtB;AACD;;AACDvV,WAAK,CAACuV,aAAN,CAAoBn2B,IAApB,CAAyBU,EAAzB;AACA;;AACF,SAAK,MAAL;AACE,UAAI,CAACkgB,KAAK,CAACwV,YAAX,EAAyB;AACvBxV,aAAK,CAACwV,YAAN,GAAqB,EAArB;AACD;;AACDxV,WAAK,CAACwV,YAAN,CAAmBp2B,IAAnB,CAAwBU,EAAxB;AACA;AAZF;AAcD;AAEM,SAAS21B,SAAT,CAAoBrU,SAApB,EAA+BsU,OAA/B,EAAwCC,KAAxC,EAA+C;AACpD,MAAIC,QAAQ,GAAGxU,SAAS,CAACsU,OAAD,CAAxB;AAAA,MAAmCG,MAAM,GAAGzU,SAAS,CAACuU,KAAD,CAArD;AAAA,MAA8DG,SAAS,GAAGD,MAAM,CAAC9kB,QAAjF,CADoD,CAEpD;;AACA,MAAI,0CAAgB+kB,SAAhB,CAAJ,EAAgC;AAC9B;AACA;AACA,QAAIH,KAAK,GAAGD,OAAZ,EAAqB;AACnBE,cAAQ,CAACj2B,QAAT,GAAoBm2B,SAAS,GAAGF,QAAQ,CAAC1sB,KAAzC;;AACA,UAAI0sB,QAAQ,CAACj2B,QAAT,GAAoB,CAAxB,EAA2B;AACzBvE,wBAAM,CAACgN,IAAP,0CAAmDwtB,QAAQ,CAAC9V,EAA5D,eAAwE8V,QAAQ,CAAC5V,KAAjF;AACD;AACF,KALD,MAKO;AACL6V,YAAM,CAACl2B,QAAP,GAAkBi2B,QAAQ,CAAC1sB,KAAT,GAAiB4sB,SAAnC;;AACA,UAAID,MAAM,CAACl2B,QAAP,GAAkB,CAAtB,EAAyB;AACvBvE,wBAAM,CAACgN,IAAP,0CAAmDytB,MAAM,CAAC/V,EAA1D,eAAsE+V,MAAM,CAAC7V,KAA7E;AACD;AACF;AACF,GAdD,MAcO;AACL;AACA,QAAI2V,KAAK,GAAGD,OAAZ,EAAqB;AACnBG,YAAM,CAAC3sB,KAAP,GAAe0sB,QAAQ,CAAC1sB,KAAT,GAAiB0sB,QAAQ,CAACj2B,QAAzC;AACD,KAFD,MAEO;AACLk2B,YAAM,CAAC3sB,KAAP,GAAetG,IAAI,CAACoX,GAAL,CAAS4b,QAAQ,CAAC1sB,KAAT,GAAiB2sB,MAAM,CAACl2B,QAAjC,EAA2C,CAA3C,CAAf;AACD;AACF;AACF;AAEM,SAASo2B,gBAAT,CAA2Bz5B,OAA3B,EAAoCyP,IAApC,EAA0CgF,QAA1C,EAAoDof,MAApD,EAA4Dnf,QAA5D,EAAsEglB,MAAtE,EAA8E;AACnF;AACA,MAAIC,WAAW,GAAGllB,QAAlB;;AACA,MAAI,0CAAgBhF,IAAI,CAACgF,QAArB,CAAJ,EAAoC;AAClC;AACA,QAAIuO,QAAQ,GAAG1c,IAAI,CAAC4N,GAAL,CAASzE,IAAI,CAACgF,QAAL,GAAgBA,QAAzB,CAAf;;AACA,QAAI,CAAC,0CAAgBhF,IAAI,CAACuT,QAArB,CAAL,EAAqC;AACnCvT,UAAI,CAACuT,QAAL,GAAgBA,QAAhB;AACD,KAFD,MAEO;AACLvT,UAAI,CAACuT,QAAL,GAAgB1c,IAAI,CAACoX,GAAL,CAASsF,QAAT,EAAmBvT,IAAI,CAACuT,QAAxB,CAAhB;AACD;;AAED2W,eAAW,GAAGrzB,IAAI,CAACoX,GAAL,CAASjJ,QAAT,EAAmBhF,IAAI,CAACgF,QAAxB,CAAd;AACAA,YAAQ,GAAGnO,IAAI,CAACC,GAAL,CAASkO,QAAT,EAAmBhF,IAAI,CAACgF,QAAxB,CAAX;AACAof,UAAM,GAAGvtB,IAAI,CAACoX,GAAL,CAASmW,MAAT,EAAiBpkB,IAAI,CAACokB,MAAtB,CAAT;AACAnf,YAAQ,GAAGpO,IAAI,CAACC,GAAL,CAASmO,QAAT,EAAmBjF,IAAI,CAACiF,QAAxB,CAAX;AACAglB,UAAM,GAAGpzB,IAAI,CAACoX,GAAL,CAASgc,MAAT,EAAiBjqB,IAAI,CAACiqB,MAAtB,CAAT;AACD;;AAED,MAAME,KAAK,GAAGnlB,QAAQ,GAAGhF,IAAI,CAAC7C,KAA9B;AACA6C,MAAI,CAAC7C,KAAL,GAAa6C,IAAI,CAACgF,QAAL,GAAgBA,QAA7B;AACAhF,MAAI,CAACkqB,WAAL,GAAmBA,WAAnB;AACAlqB,MAAI,CAACokB,MAAL,GAAcA,MAAd;AACApkB,MAAI,CAACiF,QAAL,GAAgBA,QAAhB;AACAjF,MAAI,CAACiqB,MAAL,GAAcA,MAAd;AACAjqB,MAAI,CAACpM,QAAL,GAAgBwwB,MAAM,GAAGpf,QAAzB;AAEA,MAAM+O,EAAE,GAAG/T,IAAI,CAAC+T,EAAhB,CA3BmF,CA4BnF;;AACA,MAAI,CAACxjB,OAAD,IAAYwjB,EAAE,GAAGxjB,OAAO,CAACklB,OAAzB,IAAoC1B,EAAE,GAAGxjB,OAAO,CAAC6kB,KAArD,EAA4D;AAC1D,WAAO,CAAP;AACD;;AAED,MAAIgV,OAAJ,EAAa/U,SAAb,EAAwB1qB,CAAxB;AACAy/B,SAAO,GAAGrW,EAAE,GAAGxjB,OAAO,CAACklB,OAAvB;AACAJ,WAAS,GAAG9kB,OAAO,CAAC8kB,SAApB,CAnCmF,CAoCnF;AACA;AACA;AACA;AACA;;AACAA,WAAS,CAAC+U,OAAD,CAAT,GAAqBpqB,IAArB,CAzCmF,CA0CnF;;AACA,OAAKrV,CAAC,GAAGy/B,OAAT,EAAkBz/B,CAAC,GAAG,CAAtB,EAAyBA,CAAC,EAA1B,EAA8B;AAC5B++B,aAAS,CAACrU,SAAD,EAAY1qB,CAAZ,EAAeA,CAAC,GAAG,CAAnB,CAAT;AACD,GA7CkF,CA+CnF;;;AACA,OAAKA,CAAC,GAAGy/B,OAAT,EAAkBz/B,CAAC,GAAG0qB,SAAS,CAACrpB,MAAV,GAAmB,CAAzC,EAA4CrB,CAAC,EAA7C,EAAiD;AAC/C++B,aAAS,CAACrU,SAAD,EAAY1qB,CAAZ,EAAeA,CAAC,GAAG,CAAnB,CAAT;AACD;;AAED4F,SAAO,CAAC85B,QAAR,GAAmB,IAAnB;AACA,SAAOF,KAAP;AACD;AAEM,SAASG,YAAT,CAAuBC,UAAvB,EAAmCC,UAAnC,EAA+C;AACpD;AACA,MAAIA,UAAU,CAAC92B,WAAX,IAA0B62B,UAAU,CAAC72B,WAAzC,EAAsD;AACpD82B,cAAU,CAAC92B,WAAX,GAAyB62B,UAAU,CAAC72B,WAApC;AACD,GAJmD,CAMpD;AACA;;;AACA,MAAI+2B,QAAQ,GAAG,CAAf;AACA,MAAIC,OAAJ;AACAC,yBAAuB,CAACJ,UAAD,EAAaC,UAAb,EAAyB,UAACI,OAAD,EAAUC,OAAV,EAAsB;AACpEJ,YAAQ,GAAGG,OAAO,CAAChX,EAAR,GAAaiX,OAAO,CAACjX,EAAhC;;AACA,QAAI,0CAAgBgX,OAAO,CAAC5lB,QAAxB,CAAJ,EAAuC;AACrC6lB,aAAO,CAAC1tB,KAAR,GAAgB0tB,OAAO,CAAC7lB,QAAR,GAAmB4lB,OAAO,CAAC5lB,QAA3C;AACA6lB,aAAO,CAACzG,MAAR,GAAiBwG,OAAO,CAACxG,MAAzB;AACAyG,aAAO,CAACj3B,QAAR,GAAmBg3B,OAAO,CAACh3B,QAA3B;AACAi3B,aAAO,CAACC,WAAR,GAAsBF,OAAO,CAACE,WAA9B;AACAD,aAAO,CAACpuB,OAAR,GAAkBmuB,OAAO,CAACnuB,OAA1B;AACAiuB,aAAO,GAAGG,OAAV;AACD,KATmE,CAUpE;;;AACAL,cAAU,CAACH,QAAX,GAAsB,IAAtB;AACD,GAZsB,CAAvB;;AAcA,MAAI,CAACG,UAAU,CAACH,QAAhB,EAA0B;AACxB;AACD;;AAED,MAAII,QAAJ,EAAc;AACZp7B,oBAAM,CAACC,GAAP,CAAW,8DAAX;AACA,QAAMy7B,YAAY,GAAGP,UAAU,CAACnV,SAAhC;;AACA,SAAK,IAAI1qB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGogC,YAAY,CAAC/+B,MAAjC,EAAyCrB,CAAC,EAA1C,EAA8C;AAC5CogC,kBAAY,CAACpgC,CAAD,CAAZ,CAAgBipB,EAAhB,IAAsB6W,QAAtB;AACD;AACF,GAlCmD,CAoCpD;;;AACA,MAAIC,OAAJ,EAAa;AACXV,oBAAgB,CAACQ,UAAD,EAAaE,OAAb,EAAsBA,OAAO,CAAC1lB,QAA9B,EAAwC0lB,OAAO,CAACtG,MAAhD,EAAwDsG,OAAO,CAACzlB,QAAhE,EAA0EylB,OAAO,CAACT,MAAlF,CAAhB;AACD,GAFD,MAEO;AACL;AACA;AACA;AACAe,iBAAa,CAACT,UAAD,EAAaC,UAAb,CAAb;AACD,GA5CmD,CA6CpD;AACA;;;AACAA,YAAU,CAACH,QAAX,GAAsBE,UAAU,CAACF,QAAjC;AACD;AAEM,SAASY,sBAAT,CAAiCC,WAAjC,EAA8CC,WAA9C,EAA2DC,cAA3D,EAA+E;AAAA,MAApBA,cAAoB;AAApBA,kBAAoB,GAAH,CAAG;AAAA;;AACpF,MAAI/T,SAAS,GAAG,CAAC,CAAjB;AACAsT,yBAAuB,CAACO,WAAD,EAAcC,WAAd,EAA2B,UAACP,OAAD,EAAUC,OAAV,EAAmBthB,KAAnB,EAA6B;AAC7EshB,WAAO,CAAC1tB,KAAR,GAAgBytB,OAAO,CAACztB,KAAxB;AACAka,aAAS,GAAG9N,KAAZ;AACD,GAHsB,CAAvB;AAKA,MAAM8hB,KAAK,GAAGF,WAAW,CAAC9V,SAA1B;;AACA,MAAIgC,SAAS,GAAG,CAAhB,EAAmB;AACjBgU,SAAK,CAAC5pB,OAAN,CAAc,UAAAzB,IAAI,EAAI;AACpBA,UAAI,CAAC7C,KAAL,IAAciuB,cAAd;AACD,KAFD;AAGA;AACD;;AAED,OAAK,IAAIzgC,CAAC,GAAG0sB,SAAS,GAAG,CAAzB,EAA4B1sB,CAAC,GAAG0gC,KAAK,CAACr/B,MAAtC,EAA8CrB,CAAC,EAA/C,EAAmD;AACjD0gC,SAAK,CAAC1gC,CAAD,CAAL,CAASwS,KAAT,GAAkBkuB,KAAK,CAAC1gC,CAAC,GAAG,CAAL,CAAL,CAAawS,KAAb,GAAqBkuB,KAAK,CAAC1gC,CAAC,GAAG,CAAL,CAAL,CAAaiJ,QAApD;AACD;AACF;AAEM,SAAS+2B,uBAAT,CAAkCO,WAAlC,EAA+CC,WAA/C,EAA4DG,cAA5D,EAA4E;AACjF,MAAI,CAACJ,WAAD,IAAgB,CAACC,WAArB,EAAkC;AAChC;AACD;;AAED,MAAMhuB,KAAK,GAAGtG,IAAI,CAACoX,GAAL,CAASid,WAAW,CAACzV,OAArB,EAA8B0V,WAAW,CAAC1V,OAA1C,IAAqD0V,WAAW,CAAC1V,OAA/E;AACA,MAAM7M,GAAG,GAAG/R,IAAI,CAACC,GAAL,CAASo0B,WAAW,CAAC9V,KAArB,EAA4B+V,WAAW,CAAC/V,KAAxC,IAAiD+V,WAAW,CAAC1V,OAAzE;AACA,MAAM8V,KAAK,GAAGJ,WAAW,CAAC1V,OAAZ,GAAsByV,WAAW,CAACzV,OAAhD;;AAEA,OAAK,IAAI9qB,CAAC,GAAGwS,KAAb,EAAoBxS,CAAC,IAAIie,GAAzB,EAA8Bje,CAAC,EAA/B,EAAmC;AACjC,QAAMigC,OAAO,GAAGM,WAAW,CAAC7V,SAAZ,CAAsBkW,KAAK,GAAG5gC,CAA9B,CAAhB;AACA,QAAMkgC,OAAO,GAAGM,WAAW,CAAC9V,SAAZ,CAAsB1qB,CAAtB,CAAhB;;AACA,QAAI,CAACigC,OAAD,IAAY,CAACC,OAAjB,EAA0B;AACxB;AACD;;AACDS,kBAAc,CAACV,OAAD,EAAUC,OAAV,EAAmBlgC,CAAnB,CAAd;AACD;AACF;AAEM,SAASqgC,aAAT,CAAwBE,WAAxB,EAAqCC,WAArC,EAAkD;AACvD,MAAMI,KAAK,GAAGJ,WAAW,CAAC1V,OAAZ,GAAsByV,WAAW,CAACzV,OAAhD;AACA,MAAM+V,YAAY,GAAGN,WAAW,CAAC7V,SAAjC;AACA,MAAM0V,YAAY,GAAGI,WAAW,CAAC9V,SAAjC;;AAEA,MAAIkW,KAAK,GAAG,CAAR,IAAaA,KAAK,GAAGC,YAAY,CAACx/B,MAAtC,EAA8C;AAC5C;AACD;;AACD,OAAK,IAAIrB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGogC,YAAY,CAAC/+B,MAAjC,EAAyCrB,CAAC,EAA1C,EAA8C;AAC5CogC,gBAAY,CAACpgC,CAAD,CAAZ,CAAgBwS,KAAhB,IAAyBquB,YAAY,CAACD,KAAD,CAAZ,CAAoBpuB,KAA7C;AACD;AACF;AAEM,SAASsuB,qBAAT,CAAgCC,eAAhC,EAAiDP,WAAjD,EAA8DQ,eAA9D,EAA+E;AACpF,MAAIC,cAAc,GAAG,QAAQT,WAAW,CAACpP,qBAAZ,GAAoCoP,WAAW,CAACpP,qBAAhD,GAAwEoP,WAAW,CAACxV,cAA5F,CAArB;AACA,MAAMkW,iBAAiB,GAAGD,cAAc,GAAG,CAA3C;;AACA,MAAIF,eAAe,IAAIP,WAAW,CAAC/V,KAAZ,KAAsBsW,eAAe,CAACtW,KAA7D,EAAoE;AAClE;AACA;AACA;AACAwW,kBAAc,GAAGC,iBAAjB;AACD;;AAED,MAAIF,eAAJ,EAAqB;AACnBC,kBAAc,GAAG/0B,IAAI,CAACoX,GAAL,CAAS4d,iBAAT,EAA4BD,cAAc,IAAIvP,MAAM,CAAC9W,WAAP,CAAmBD,GAAnB,KAA2BqmB,eAA/B,CAA1C,CAAjB;AACD,GAZmF,CAapF;;;AACA,SAAO90B,IAAI,CAAC6J,KAAL,CAAWkrB,cAAX,CAAP;AACD,C;;ACpOD;;;AAIA,IAAME,UAAU,GAAG;AACjBppB,UAAQ,EAAE,kBAAUqpB,CAAV,EAAyB;AACjC,QAAIz8B,GAAG,GAAG,EAAV;AACA,QAAI4E,GAAG,GAAG63B,CAAC,CAAC//B,MAAZ;;AACA,SAAK,IAAIrB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGuJ,GAApB,EAAyBvJ,CAAC,EAA1B,EAA8B;AAC5B2E,SAAG,IAAI,MAAMy8B,CAAC,CAAC5uB,KAAF,CAAQxS,CAAR,EAAWqhC,OAAX,CAAmB,CAAnB,CAAN,GAA8B,GAA9B,GAAoCD,CAAC,CAACnjB,GAAF,CAAMje,CAAN,EAASqhC,OAAT,CAAiB,CAAjB,CAApC,GAA0D,GAAjE;AACD;;AAED,WAAO18B,GAAP;AACD;AATgB,CAAnB;AAYew8B,0DAAf,E;;;AChBA;AACA;AAEO,SAASG,mBAAT,CAA8B5W,SAA9B,EAAyCzB,EAAzC,EAA6C;AAClD,MAAIsY,SAAS,GAAG,IAAhB;;AAEA,OAAK,IAAIvhC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG0qB,SAAS,CAACrpB,MAA9B,EAAsCrB,CAAC,IAAI,CAA3C,EAA8C;AAC5C,QAAMwhC,WAAW,GAAG9W,SAAS,CAAC1qB,CAAD,CAA7B;;AACA,QAAIwhC,WAAW,IAAIA,WAAW,CAACvY,EAAZ,KAAmBA,EAAtC,EAA0C;AACxCsY,eAAS,GAAGC,WAAZ;AACA;AACD;AACF;;AAED,SAAOD,SAAP;AACD;AAEM,SAASE,cAAT,CAAyB/W,SAAzB,EAAoCgX,EAApC,EAAwC;AAC7C,SAAOpG,aAAY,CAACC,MAAb,CAAoB7Q,SAApB,EAA+B,UAACiX,SAAD,EAAe;AACnD,QAAIA,SAAS,CAAC1Y,EAAV,GAAeyY,EAAnB,EAAuB;AACrB,aAAO,CAAP;AACD,KAFD,MAEO,IAAIC,SAAS,CAAC1Y,EAAV,GAAeyY,EAAnB,EAAuB;AAC5B,aAAO,CAAC,CAAR;AACD,KAFM,MAEA;AACL,aAAO,CAAP;AACD;AACF,GARM,CAAP;AASD;AAEM,SAASE,4BAAT,CAAuCnD,QAAvC,EAAiDoD,SAAjD,EAA4Dj8B,OAA5D,EAAqE;AAC1E,MAAIk8B,WAAW,GAAG,KAAlB;;AACA,MAAID,SAAS,IAAIA,SAAS,CAACj8B,OAAvB,IAAkCA,OAAtC,EAA+C;AAC7C,QAAIA,OAAO,CAAC4kB,KAAR,GAAgB5kB,OAAO,CAACilB,OAAxB,IAAoC4T,QAAQ,IAAIA,QAAQ,CAACxV,EAAT,GAAcrjB,OAAO,CAACilB,OAA1E,EAAoF;AAClFiX,iBAAW,GAAG,IAAd;AACD;AACF;;AACD,SAAOA,WAAP;AACD,C,CAED;;AACO,SAASC,8BAAT,CAAyCC,WAAzC,EAAsDC,UAAtD,EAAkE;AACvE,MAAMC,SAAS,GAAGF,WAAW,CAACtX,SAA9B;AACA,MAAMyX,QAAQ,GAAGF,UAAU,CAACvX,SAA5B;;AAEA,MAAI,CAACyX,QAAQ,CAAC9gC,MAAV,IAAoB,CAAC6gC,SAAS,CAAC7gC,MAAnC,EAA2C;AACzCqD,oBAAM,CAACC,GAAP,CAAW,uBAAX;AACA;AACD;;AAED,MAAMy9B,aAAa,GAAGd,mBAAmB,CAACY,SAAD,EAAYC,QAAQ,CAAC,CAAD,CAAR,CAAYlZ,EAAxB,CAAzC;;AAEA,MAAI,CAACmZ,aAAD,IAAmBA,aAAa,IAAI,CAACA,aAAa,CAAC/nB,QAAvD,EAAkE;AAChE3V,oBAAM,CAACC,GAAP,CAAW,uCAAX;AACA;AACD;;AAED,SAAOy9B,aAAP;AACD;AAEM,SAASC,SAAT,CAAoBC,OAApB,EAA6B18B,OAA7B,EAAsC;AAC3CA,SAAO,CAAC8kB,SAAR,CAAkB5T,OAAlB,CAA0B,UAACzB,IAAD,EAAU;AAClC,QAAIA,IAAJ,EAAU;AACR,UAAI7C,KAAK,GAAG6C,IAAI,CAAC7C,KAAL,GAAa8vB,OAAzB;AACAjtB,UAAI,CAAC7C,KAAL,GAAa6C,IAAI,CAACgF,QAAL,GAAgB7H,KAA7B;AACA6C,UAAI,CAACokB,MAAL,GAAcjnB,KAAK,GAAG6C,IAAI,CAACpM,QAA3B;AACD;AACF,GAND;AAOArD,SAAO,CAAC85B,QAAR,GAAmB,IAAnB;AACD;AAED;;;;;;;;;;;AAUO,SAAS6C,WAAT,CAAsB9D,QAAtB,EAAgCoD,SAAhC,EAA2Cj8B,OAA3C,EAAoD;AACzD48B,sBAAoB,CAAC/D,QAAD,EAAW74B,OAAX,EAAoBi8B,SAApB,CAApB;;AACA,MAAI,CAACj8B,OAAO,CAAC85B,QAAT,IAAqBmC,SAAzB,EAAoC;AAClC;AACA;AACA;AACAY,YAAQ,CAAC78B,OAAD,EAAUi8B,SAAS,CAACj8B,OAApB,CAAR;AACD;AACF;AAED;;;;;;;AAMO,SAAS48B,oBAAT,CAA+B/D,QAA/B,EAAyC74B,OAAzC,EAAkDi8B,SAAlD,EAA6D;AAClE,MAAID,4BAA4B,CAACnD,QAAD,EAAWoD,SAAX,EAAsBj8B,OAAtB,CAAhC,EAAgE;AAC9D,QAAM88B,aAAa,GAAGX,8BAA8B,CAACF,SAAS,CAACj8B,OAAX,EAAoBA,OAApB,CAApD;;AACA,QAAI88B,aAAJ,EAAmB;AACjBh+B,sBAAM,CAACC,GAAP,CAAW,wEAAX;AACA09B,eAAS,CAACK,aAAa,CAAClwB,KAAf,EAAsB5M,OAAtB,CAAT;AACD;AACF;AACF;AAED;;;;;;AAKO,SAAS68B,QAAT,CAAmB78B,OAAnB,EAA4B+8B,WAA5B,EAAyC;AAC9C,MAAIA,WAAW,IAAIA,WAAW,CAACjY,SAAZ,CAAsBrpB,MAAzC,EAAiD;AAC/C,QAAI,CAACuE,OAAO,CAACg9B,kBAAT,IAA+B,CAACD,WAAW,CAACC,kBAAhD,EAAoE;AAClE;AACD,KAH8C,CAI/C;AACA;AACA;;;AACA,QAAIC,OAAO,GAAGF,WAAW,CAACjY,SAAZ,CAAsB,CAAtB,EAAyB5B,eAAvC;AACA,QAAIga,MAAM,GAAGl9B,OAAO,CAAC8kB,SAAR,CAAkB,CAAlB,EAAqB5B,eAAlC,CAR+C,CAS/C;;AACA,QAAIwZ,OAAO,GAAG,CAACQ,MAAM,GAAGD,OAAV,IAAqB,IAArB,GAA4BF,WAAW,CAACjY,SAAZ,CAAsB,CAAtB,EAAyBlY,KAAnE;;AACA,QAAI,0CAAgB8vB,OAAhB,CAAJ,EAA8B;AAC5B59B,sBAAM,CAACC,GAAP,yDAAiE29B,OAAO,CAACjB,OAAR,CAAgB,CAAhB,CAAjE;AACAgB,eAAS,CAACC,OAAD,EAAU18B,OAAV,CAAT;AACD;AACF;AACF,C;;;AChID;;AAGA;;;;;;;AAOO,SAASm9B,iBAAT,CAA4BrY,SAA5B,EAAwDsY,QAAxD,EAAiF/F,sBAAjF,EAAkI;AACvI,MAAI+F,QAAQ,KAAK,IAAb,IAAqB,CAACl8B,KAAK,CAACm8B,OAAN,CAAcvY,SAAd,CAAtB,IAAkD,CAACA,SAAS,CAACrpB,MAA7D,IAAuE,CAAC,0CAAgB2hC,QAAhB,CAA5E,EAAuG;AACrG,WAAO,IAAP;AACD,GAHsI,CAKvI;;;AACA,MAAME,QAAQ,GAAGxY,SAAS,CAAC,CAAD,CAAT,CAAa5B,eAA9B;;AACA,MAAIka,QAAQ,IAAIE,QAAQ,IAAI,CAAhB,CAAZ,EAAgC;AAC9B,WAAO,IAAP;AACD;;AAED,MAAMC,MAAM,GAAGzY,SAAS,CAACA,SAAS,CAACrpB,MAAV,GAAmB,CAApB,CAAT,CAAgCowB,kBAA/C;;AACA,MAAIuR,QAAQ,KAAKG,MAAM,IAAI,CAAf,CAAZ,EAA+B;AAC7B,WAAO,IAAP;AACD;;AAEDlG,wBAAsB,GAAGA,sBAAsB,IAAI,CAAnD;;AACA,OAAK,IAAImG,GAAG,GAAG,CAAf,EAAkBA,GAAG,GAAG1Y,SAAS,CAACrpB,MAAlC,EAA0C,EAAE+hC,GAA5C,EAAiD;AAC/C,QAAI/tB,IAAI,GAAGqV,SAAS,CAAC0Y,GAAD,CAApB;;AACA,QAAIC,sBAAsB,CAACL,QAAD,EAAW/F,sBAAX,EAAmC5nB,IAAnC,CAA1B,EAAoE;AAClE,aAAOA,IAAP;AACD;AACF;;AAED,SAAO,IAAP;AACD;AAED;;;;;;;;;;;AAUO,SAASiuB,iBAAT,CAA4BC,YAA5B,EAAoD7Y,SAApD,EAAgFqS,SAAhF,EAAuGE,sBAAvG,EAA4J;AAAA,MAA5EF,SAA4E;AAA5EA,aAA4E,GAAxD,CAAwD;AAAA;;AAAA,MAArDE,sBAAqD;AAArDA,0BAAqD,GAApB,CAAoB;AAAA;;AACjK,MAAMuG,QAAQ,GAAGD,YAAY,GAAG7Y,SAAS,CAAC6Y,YAAY,CAACna,EAAb,GAA6BsB,SAAS,CAAC,CAAD,CAAT,CAAatB,EAA1C,GAA0D,CAA3D,CAAZ,GAA4E,IAAzG,CADiK,CAEjK;;AACA,MAAIoa,QAAQ,IAAI,CAACC,4CAA2B,CAAC1G,SAAD,EAAYE,sBAAZ,EAAoCuG,QAApC,CAA5C,EAA2F;AACzF,WAAOA,QAAP;AACD;;AACD,SAAOlI,aAAY,CAACC,MAAb,CAAoB7Q,SAApB,EAA+B+Y,4CAA2B,CAACh1B,IAA5B,CAAiC,IAAjC,EAAuCsuB,SAAvC,EAAkDE,sBAAlD,CAA/B,CAAP;AACD;AAED;;;;;;;;AAOO,SAASwG,4CAAT,CAAsC1G,SAAtC,EAAqDE,sBAArD,EAAiF0E,SAAjF,EAAsG;AAAA,MAAhE5E,SAAgE;AAAhEA,aAAgE,GAApD,CAAoD;AAAA;;AAAA,MAAjDE,sBAAiD;AAAjDA,0BAAiD,GAAxB,CAAwB;AAAA;;AAC3G;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,MAAIyG,wBAAwB,GAAGx3B,IAAI,CAACC,GAAL,CAAS8wB,sBAAT,EAAiC0E,SAAS,CAAC14B,QAAV,IAAsB04B,SAAS,CAAC/Y,QAAV,GAAqB+Y,SAAS,CAAC/Y,QAA/B,GAA0C,CAAhE,CAAjC,CAA/B;;AACA,MAAI+Y,SAAS,CAACnvB,KAAV,GAAkBmvB,SAAS,CAAC14B,QAA5B,GAAuCy6B,wBAAvC,IAAmE3G,SAAvE,EAAkF;AAChF,WAAO,CAAP;AACD,GAFD,MAEO,IAAI4E,SAAS,CAACnvB,KAAV,GAAkBkxB,wBAAlB,GAA6C3G,SAA7C,IAA0D4E,SAAS,CAACnvB,KAAxE,EAA+E;AACpF;AACA,WAAO,CAAC,CAAR;AACD;;AAED,SAAO,CAAP;AACD;AAED;;;;;;;;;AAQO,SAAS6wB,sBAAT,CAAiCM,YAAjC,EAAuD1G,sBAAvD,EAAuF0E,SAAvF,EAAqH;AAC1H,MAAI+B,wBAAwB,GAAGx3B,IAAI,CAACC,GAAL,CAAS8wB,sBAAT,EAAiC0E,SAAS,CAAC14B,QAAV,IAAsB04B,SAAS,CAAC/Y,QAAV,GAAqB+Y,SAAS,CAAC/Y,QAA/B,GAA0C,CAAhE,CAAjC,IAAuG,IAAtI,CAD0H,CAG1H;;AACA,MAAM6I,kBAAkB,GAAGkQ,SAAS,CAAClQ,kBAAV,IAAgC,CAA3D;AACA,SAAOA,kBAAkB,GAAGiS,wBAArB,GAAgDC,YAAvD;AACD,C;;ACvGD;AACA;AACA;AACA;AAEO,IAAMC,yBAAyB,GAAG,GAAlC;AACA,IAAMC,kBAAkB,GAAG,GAA3B;AACA,IAAMC,6BAA6B,GAAG,GAAtC;AACA,IAAMC,uBAAuB,GAAG,IAAhC;;IAEcC,4B;;;AACnB,yBAAahgC,MAAb,EAAqBqrB,KAArB,EAA4B4U,eAA5B,EAA6Cxd,GAA7C,EAAkD;AAChD,SAAKziB,MAAL,GAAcA,MAAd;AACA,SAAKqrB,KAAL,GAAaA,KAAb;AACA,SAAK4U,eAAL,GAAuBA,eAAvB;AACA,SAAKxd,GAAL,GAAWA,GAAX;AACA,SAAKyd,UAAL,GAAkB,CAAlB;AACA,SAAKC,aAAL,GAAqB,KAArB;AACA,SAAKC,OAAL,GAAe,IAAf;AACA,SAAKC,KAAL,GAAa,KAAb;AACA,SAAKC,OAAL,GAAe,KAAf;AACD;AAED;;;;;;;;;;SAMAC,I,GAAA,cAAMC,eAAN,EAAuB;AAAA,QACbxgC,MADa,GACc,IADd,CACbA,MADa;AAAA,QACLqrB,KADK,GACc,IADd,CACLA,KADK;AAAA,QACE+U,OADF,GACc,IADd,CACEA,OADF;AAAA,QAEblH,WAFa,GAEY7N,KAFZ,CAEb6N,WAFa;AAAA,QAEAoH,OAFA,GAEYjV,KAFZ,CAEAiV,OAFA;AAGrB,QAAMG,MAAM,GAAG,KAAKH,OAAL,IAAgB,CAACA,OAAhC;AACA,QAAMI,SAAS,GAAG,CAAC,KAAKJ,OAAN,IAAiBA,OAAnC;AAEA,SAAKA,OAAL,GAAeA,OAAf,CANqB,CAQrB;;AACA,QAAIpH,WAAW,KAAKsH,eAApB,EAAqC;AACnC,WAAKH,KAAL,GAAa,IAAb;;AACA,UAAID,OAAO,KAAK,IAAhB,EAAsB;AACpB;AACA,YAAI,KAAKD,aAAT,EAAwB;AACtB,cAAMQ,gBAAe,GAAG1oB,IAAI,CAACrB,WAAL,CAAiBD,GAAjB,KAAyBypB,OAAjD;;AACA1/B,0BAAM,CAACgN,IAAP,kCAA2CwrB,WAA3C,gBAAiEhxB,IAAI,CAAC6J,KAAL,CAAW4uB,gBAAX,CAAjE;AACA,eAAKR,aAAL,GAAqB,KAArB;AACD;;AACD,aAAKC,OAAL,GAAe,IAAf;AACA,aAAKF,UAAL,GAAkB,CAAlB;AACD;;AACD;AACD,KAtBoB,CAwBrB;;;AACA,QAAIQ,SAAS,IAAID,MAAjB,EAAyB;AACvB,WAAKL,OAAL,GAAe,IAAf;AACD;;AA3BoB,QA6BbQ,mBA7Ba,GA6BW,KAAK5gC,MA7BhB,CA6Bb4gC,mBA7Ba;;AA8BrB,QAAIA,mBAAmB,KAAKN,OAAO,IAAIG,MAAhB,CAAvB,EAAgD;AAC9C,WAAKI,2BAAL;AACD,KAhCoB,CAkCrB;;;AACA,QAAIxV,KAAK,CAACyV,MAAN,IAAgBzV,KAAK,CAAC0V,KAAtB,IAA+B1V,KAAK,CAAC2V,YAAN,KAAuB,CAAtD,IAA2D,CAAC3V,KAAK,CAACmK,QAAN,CAAen4B,MAA/E,EAAuF;AACrF;AACD;;AAED,QAAM46B,UAAU,GAAGF,YAAY,CAACE,UAAb,CAAwB5M,KAAxB,EAA+B6N,WAA/B,EAA4C,CAA5C,CAAnB;AACA,QAAMlB,UAAU,GAAGC,UAAU,CAAC1yB,GAAX,GAAiB,CAApC;AACA,QAAM8yB,SAAS,GAAGJ,UAAU,CAACI,SAAX,IAAwB,CAA1C,CAzCqB,CA2CrB;;AACA,QAAI,CAACL,UAAD,IAAe,CAACK,SAApB,EAA+B;AAC7B;AACD;;AAED,QAAIiI,OAAJ,EAAa;AACX;AACA,UAAMW,eAAe,GAAGhJ,UAAU,CAAC1yB,GAAX,GAAiBs6B,kBAAzC,CAFW,CAGX;;AACA,UAAMqB,WAAW,GAAG,CAAC7I,SAAD,IAAcA,SAAS,GAAGa,WAAZ,GAA0B2G,kBAA5D;;AACA,UAAIoB,eAAe,IAAIC,WAAvB,EAAoC;AAClC;AACD,OAPU,CAQX;;;AACA,WAAKb,KAAL,GAAa,KAAb;AACD,KA1DoB,CA4DrB;AACA;;;AACA,QAAI,CAAC,KAAKA,KAAN,IAAe,KAAKD,OAAxB,EAAiC;AAC/B;AACA,UAAMe,SAAS,GAAGj5B,IAAI,CAACoX,GAAL,CAAS+Y,SAAT,EAAoBJ,UAAU,CAACzpB,KAAX,IAAoB,CAAxC,IAA6C0qB,WAA/D;;AACA,UAAIiI,SAAS,GAAG,CAAZ,IAAiBA,SAAS,IAAItB,kBAAlC,EAAsD;AACpD,aAAKuB,kBAAL,CAAwB,IAAxB;;AACA;AACD;AACF,KArEoB,CAuErB;;;AACA,QAAMC,IAAI,GAAGppB,IAAI,CAACrB,WAAL,CAAiBD,GAAjB,EAAb;;AACA,QAAIypB,OAAO,KAAK,IAAhB,EAAsB;AACpB,WAAKA,OAAL,GAAeiB,IAAf;AACA;AACD;;AAED,QAAMV,eAAe,GAAGU,IAAI,GAAGjB,OAA/B;;AACA,QAAI,CAACE,OAAD,IAAYK,eAAe,IAAIf,yBAAnC,EAA8D;AAC5D;AACA,WAAK0B,YAAL,CAAkBrJ,UAAU,CAAC1yB,GAA7B;AACD;;AAED,QAAMg8B,iBAAiB,GAAGxJ,YAAY,CAACE,UAAb,CAAwB5M,KAAxB,EAA+B6N,WAA/B,EAA4Cl5B,MAAM,CAACwhC,aAAnD,CAA1B;;AACA,SAAKC,kBAAL,CAAwBF,iBAAxB,EAA2CZ,eAA3C;AACD,G,CAED;AACA;;;SACAE,2B,GAAA,uCAA8B;AAC5B,QAAMxV,KAAK,GAAG,KAAKA,KAAnB;AACA,QAAM6N,WAAW,GAAG7N,KAAK,GAAGA,KAAK,CAAC6N,WAAT,GAAuBv5B,SAAhD;AAF4B,QAGpBs5B,sBAHoB,GAGO,KAAKj5B,MAHZ,CAGpBi5B,sBAHoB,EAK5B;AACA;AACA;;AACA,QAAMyI,0BAA0B,GAC9B3J,YAAY,CAACiB,6BAAb,CAA2C3N,KAA3C,EAAkD6N,WAAlD,EAA+DD,sBAA/D,CADF;;AAGA,QAAIC,WAAW,KAAKwI,0BAApB,EAAgD;AAC9ChhC,sBAAM,CAACC,GAAP,0DAAkE+gC,0BAAlE;AACArW,WAAK,CAAC6N,WAAN,GAAoBwI,0BAApB;AACA,aAAO,IAAP;AACD;;AAED,WAAO,KAAP;AACD;AAED;;;;;;;;SAMAD,kB,GAAA,4BAAoBxJ,UAApB,EAAgC0J,iBAAhC,EAAmD;AAAA,QACzC3hC,MADyC,GACN,IADM,CACzCA,MADyC;AAAA,QACjCigC,eADiC,GACN,IADM,CACjCA,eADiC;AAAA,QAChB5U,KADgB,GACN,IADM,CAChBA,KADgB;AAEjD,QAAM6N,WAAW,GAAG7N,KAAK,CAAC6N,WAA1B;AAEA,QAAMzC,OAAO,GAAGwJ,eAAe,CAACvJ,kBAAhB,CAAmCwC,WAAnC,CAAhB;;AACA,QAAIzC,OAAJ,EAAa;AACX;AACA;AACA,UAAMmL,UAAU,GAAG,KAAKR,kBAAL,CAAwB3K,OAAxB,CAAnB,CAHW,CAIX;AACA;;;AACA,UAAImL,UAAJ,EAAgB;AACd;AACD;AACF,KAdgD,CAgBjD;AACA;AACA;AACA;;;AACA,QAAI3J,UAAU,CAAC1yB,GAAX,GAAiBvF,MAAM,CAACwhC,aAAxB,IACFG,iBAAiB,GAAG3hC,MAAM,CAAC6hC,wBAAP,GAAkC,IADxD,EAC8D;AAC5DnhC,sBAAM,CAACgN,IAAP,CAAY,2CAAZ,EAD4D,CAE5D;AACA;AACA;;AACA,WAAK0yB,OAAL,GAAe,IAAf;;AACA,WAAK0B,eAAL;AACD;AACF;AAED;;;;;;;SAKAR,Y,GAAA,sBAAc1I,SAAd,EAAyB;AAAA,QACfnW,GADe,GACe,IADf,CACfA,GADe;AAAA,QACV4I,KADU,GACe,IADf,CACVA,KADU;AAAA,QACH8U,aADG,GACe,IADf,CACHA,aADG;;AAEvB,QAAI,CAACA,aAAL,EAAoB;AAClB;AACA,WAAKA,aAAL,GAAqB,IAArB;AACAz/B,sBAAM,CAACgN,IAAP,4BAAqC2d,KAAK,CAAC6N,WAA3C;AACAzW,SAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AACvBC,YAAI,EAAEC,oBAAU,CAACC,WADM;AAEvBC,eAAO,EAAEC,sBAAY,CAACkgC,oBAFC;AAGvBhgC,aAAK,EAAE,KAHgB;AAIvBlH,cAAM,EAAE+9B;AAJe,OAAzB;AAMD;AACF;AAED;;;;;;;SAKAwI,kB,GAAA,4BAAoB3K,OAApB,EAA6B;AAAA,QACnBz2B,MADmB,GACI,IADJ,CACnBA,MADmB;AAAA,QACXyiB,GADW,GACI,IADJ,CACXA,GADW;AAAA,QACN4I,KADM,GACI,IADJ,CACNA,KADM;AAE3B,QAAM6N,WAAW,GAAG7N,KAAK,CAAC6N,WAA1B;AACA,QAAI8I,WAAW,GAAG,CAAlB,CAH2B,CAI3B;;AACA,SAAK,IAAIhmC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGqvB,KAAK,CAACmK,QAAN,CAAen4B,MAAnC,EAA2CrB,CAAC,EAA5C,EAAgD;AAC9C,UAAMob,SAAS,GAAGiU,KAAK,CAACmK,QAAN,CAAehnB,KAAf,CAAqBxS,CAArB,CAAlB;;AACA,UAAIk9B,WAAW,GAAGl5B,MAAM,CAACwhC,aAArB,IAAsCQ,WAAtC,IAAqD9I,WAAW,GAAG9hB,SAAvE,EAAkF;AAChF,YAAMwqB,UAAU,GAAG15B,IAAI,CAACoX,GAAL,CAASlI,SAAS,GAAG2oB,uBAArB,EAA8C1U,KAAK,CAAC6N,WAAN,GAAoB4G,6BAAlE,CAAnB;AACAp/B,wBAAM,CAACgN,IAAP,gDAAyDwrB,WAAzD,YAA2E0I,UAA3E;AACA,aAAKvB,KAAL,GAAa,IAAb;AACA,aAAKD,OAAL,GAAe,IAAf;AACA/U,aAAK,CAAC6N,WAAN,GAAoB0I,UAApB;;AACA,YAAInL,OAAJ,EAAa;AACXhU,aAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AACvBC,gBAAI,EAAEC,oBAAU,CAACC,WADM;AAEvBC,mBAAO,EAAEC,sBAAY,CAACogC,qBAFC;AAGvBlgC,iBAAK,EAAE,KAHgB;AAIvBC,kBAAM,uDAAqDk3B,WAArD,YAAuE0I,UAJtD;AAKvBvwB,gBAAI,EAAEolB;AALiB,WAAzB;AAOD;;AACD,eAAOmL,UAAP;AACD;;AACDI,iBAAW,GAAG3W,KAAK,CAACmK,QAAN,CAAevb,GAAf,CAAmBje,CAAnB,CAAd;AACD;;AACD,WAAO,CAAP;AACD;AAED;;;;;;SAIA8lC,e,GAAA,2BAAmB;AAAA,QACT9hC,MADS,GACc,IADd,CACTA,MADS;AAAA,QACDyiB,GADC,GACc,IADd,CACDA,GADC;AAAA,QACI4I,KADJ,GACc,IADd,CACIA,KADJ;AAEjB,QAAM6N,WAAW,GAAG7N,KAAK,CAAC6N,WAA1B;AACA,QAAMgH,UAAU,GAAG,CAAC,KAAKA,UAAL,IAAmB,CAApB,IAAyB,CAA5C;AACA,SAAKA,UAAL,GAAkBA,UAAlB;;AAEA,QAAIA,UAAU,GAAGlgC,MAAM,CAACkiC,aAAxB,EAAuC;AACrC,UAAMN,UAAU,GAAG1I,WAAW,GAAGgH,UAAU,GAAGlgC,MAAM,CAACmiC,WAArD,CADqC,CAErC;;AACAzhC,sBAAM,CAACgN,IAAP,iCAA0CwrB,WAA1C,YAA4D0I,UAA5D;AACAvW,WAAK,CAAC6N,WAAN,GAAoB0I,UAApB;AAEAnf,SAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AACvBC,YAAI,EAAEC,oBAAU,CAACC,WADM;AAEvBC,eAAO,EAAEC,sBAAY,CAACugC,qBAFC;AAGvBrgC,aAAK,EAAE;AAHgB,OAAzB;AAKD,KAXD,MAWO;AACLrB,sBAAM,CAACU,KAAP,4DAAsE83B,WAAtE,eAA2Fl5B,MAAM,CAACkiC,aAAlG;AACAzf,SAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AACvBC,YAAI,EAAEC,oBAAU,CAACC,WADM;AAEvBC,eAAO,EAAEC,sBAAY,CAACkgC,oBAFC;AAGvBhgC,aAAK,EAAE;AAHgB,OAAzB;AAKD;AACF,G;;;;;;;;;;;ACnQH;;AAGA;;;;;;;;;;;;;;;;;;;;;;;;;;;;IA6BqBsgC,Q;;;;;AAMnB,oBAAa5f,GAAb,EAA4C;AAAA;;AAAA,sCAAlBI,MAAkB;AAAlBA,YAAkB;AAAA;;AAC1C,2DAAMJ,GAAN,SAAcI,MAAd;AAD0C,UAL3Byf,UAK2B;AAAA,UAJpCC,UAIoC,GAJR,IAIQ;AAAA,UAHpCC,aAGoC,GAHL,IAGK;AAAA,UAFpCC,cAEoC,GAFnB,CAEmB;AAE1C,UAAKH,UAAL,GAAkB,MAAKI,IAAL,CAAUj4B,IAAV,+BAAlB;AAF0C;AAG3C;AAED;;;;;;;SAGUsY,mB,GAAV,+BAAiC;AAC/B;AACA,SAAK4f,aAAL;AACA,SAAKC,aAAL;AACD;AAED;;;;;SAGOC,W,GAAP,uBAA+B;AAC7B,WAAO,CAAC,CAAC,KAAKL,aAAd;AACD;AAED;;;;;SAGOM,W,GAAP,uBAA+B;AAC7B,WAAO,CAAC,CAAC,KAAKP,UAAd;AACD;AAED;;;;;;SAIOQ,W,GAAP,qBAAoBC,MAApB,EAA6C;AAC3C,QAAI,CAAC,KAAKR,aAAV,EAAyB;AACvB,WAAKA,aAAL,GAAqBvqB,IAAI,CAAC8qB,WAAL,CAAiB,KAAKT,UAAtB,EAAkCU,MAAlC,CAArB;AACA,aAAO,IAAP;AACD;;AACD,WAAO,KAAP;AACD;AAED;;;;;SAGOJ,a,GAAP,yBAAiC;AAC/B,QAAI,KAAKJ,aAAT,EAAwB;AACtBvqB,UAAI,CAAC2qB,aAAL,CAAmB,KAAKJ,aAAxB;AACA,WAAKA,aAAL,GAAqB,IAArB;AACA,aAAO,IAAP;AACD;;AACD,WAAO,KAAP;AACD;AAED;;;;;SAGOG,a,GAAP,yBAAiC;AAC/B,QAAI,KAAKJ,UAAT,EAAqB;AACnBtqB,UAAI,CAACgrB,YAAL,CAAkB,KAAKV,UAAvB;AACA,WAAKA,UAAL,GAAkB,IAAlB;AACA,aAAO,IAAP;AACD;;AACD,WAAO,KAAP;AACD;AAED;;;;;;;SAKOG,I,GAAP,gBAAqB;AACnB,SAAKD,cAAL;;AACA,QAAI,KAAKA,cAAL,KAAwB,CAA5B,EAA+B;AAC7B,WAAKS,MAAL,GAD6B,CAE7B;AACA;;AACA,UAAI,KAAKT,cAAL,GAAsB,CAA1B,EAA6B;AAC3B;AACA,aAAKE,aAAL;AACA,aAAKJ,UAAL,GAAkBtqB,IAAI,CAACkrB,UAAL,CAAgB,KAAKb,UAArB,EAAiC,CAAjC,CAAlB;AACD;;AACD,WAAKG,cAAL,GAAsB,CAAtB;AACD;AACF;AAED;;;;;;SAIUS,M,GAAV,kBAA0B,CAAE,C;;;EA9FQ1gB,a;;;;;;;;AChCtC;AACA;AACA;AACA;AAEO,IAAM4gB,KAAK,GAAG;AACnBC,SAAO,EAAE,SADU;AAEnBC,UAAQ,EAAE,UAFS;AAGnBC,MAAI,EAAE,MAHa;AAInBC,QAAM,EAAE,QAJW;AAKnBrhB,aAAW,EAAE,aALM;AAMnBT,cAAY,EAAE,cANK;AAOnB+hB,4BAA0B,EAAE,4BAPT;AAQnBC,eAAa,EAAE,eARI;AASnBC,SAAO,EAAE,SATU;AAUnBC,QAAM,EAAE,QAVW;AAWnBxjB,iBAAe,EAAE,iBAXE;AAYnByjB,OAAK,EAAE,OAZY;AAanBriC,OAAK,EAAE,OAbY;AAcnBsiC,kBAAgB,EAAE,kBAdC;AAenBC,eAAa,EAAE;AAfI,CAAd;;IAkBcC,2C;;;;;;;;;;;SACnBd,M,GAAA,kBAAU,CAAE,C;;SAEZe,S,GAAA,qBAAa,CAAE,C;;SAEfC,Q,GAAA,oBAAY;AACV,QAAI7yB,IAAI,GAAG,KAAK8yB,WAAhB;;AACA,QAAI9yB,IAAJ,EAAU;AACR,UAAIA,IAAI,CAACmU,MAAT,EAAiB;AACfnU,YAAI,CAACmU,MAAL,CAAYiK,KAAZ;AACD;;AACD,WAAKwQ,eAAL,CAAqB9J,cAArB,CAAoC9kB,IAApC;AACD;;AACD,QAAI,KAAK2F,OAAT,EAAkB;AAChB,WAAKA,OAAL,CAAatX,OAAb;AACA,WAAKsX,OAAL,GAAe,IAAf;AACD;;AACD,SAAKmtB,WAAL,GAAmB,IAAnB;AACA,SAAK5E,YAAL,GAAoB,IAApB;AACA,SAAKqD,aAAL;AACA,SAAKD,aAAL;AACA,SAAK1tB,KAAL,GAAamuB,KAAK,CAACC,OAAnB;AACD,G;;SAEDe,Y,GAAA,sBAAcnM,UAAd,EAA0BpG,YAA1B,EAAwC;AAAA,QAC9BsS,WAD8B,GACG,IADH,CAC9BA,WAD8B;AAAA,QACjBlE,eADiB,GACG,IADH,CACjBA,eADiB,EAEtC;AACA;AACA;AACA;;AACA,QAAI,CAACpO,YAAY,CAAClL,IAAd,IAAsBwd,WAAtB,IAAqC,CAACA,WAAW,CAAChI,WAAlD,IAAiEgI,WAAW,CAAC/e,EAAZ,KAAmByM,YAAY,CAACpL,KAAjG,IAA0G,CAACwR,UAAU,CAACI,SAA1H,EAAqI;AACnI,UAAMgM,SAAS,GAAGpE,eAAe,CAAClJ,QAAhB,CAAyBoN,WAAzB,CAAlB;AACA,aAAOE,SAAS,KAAK7P,aAAa,CAACG,OAA5B,IAAuC0P,SAAS,KAAK7P,aAAa,CAACI,EAA1E;AACD;;AACD,WAAO,KAAP;AACD,G;;SAED0P,c,GAAA,0BAAkB;AAAA,QACRtkC,MADQ,GAC8B,IAD9B,CACRA,MADQ;AAAA,QACAqrB,KADA,GAC8B,IAD9B,CACAA,KADA;AAAA,QACOkZ,WADP,GAC8B,IAD9B,CACOA,WADP;AAAA,QACoBtvB,KADpB,GAC8B,IAD9B,CACoBA,KADpB;AAEhB,QAAMikB,WAAW,GAAG7N,KAAK,GAAGA,KAAK,CAAC6N,WAAT,GAAuB,IAAhD;AACA,QAAMjB,UAAU,GAAGF,YAAY,CAACE,UAAb,CAAwBsM,WAAW,IAAIlZ,KAAvC,EAA8C6N,WAA9C,EAA2D,KAAKl5B,MAAL,CAAYwhC,aAAvE,CAAnB;;AAEA,QAAI,0CAAgBtI,WAAhB,CAAJ,EAAkC;AAChCx4B,sBAAM,CAACC,GAAP,uBAA+Bu4B,WAAW,CAACmE,OAAZ,CAAoB,CAApB,CAA/B;AACD;;AAED,QAAIpoB,KAAK,KAAKmuB,KAAK,CAAC1hB,YAApB,EAAkC;AAChC,UAAIyiB,WAAW,GAAG,KAAKA,WAAvB,CADgC,CAEhC;;AACA,UAAIlM,UAAU,CAAC1yB,GAAX,KAAmB,CAAnB,IAAwB4+B,WAA5B,EAAyC;AACvC,YAAMK,SAAS,GAAGxkC,MAAM,CAACi5B,sBAAzB;AACA,YAAMwL,eAAe,GAAGN,WAAW,CAAC31B,KAAZ,GAAoBg2B,SAA5C;AACA,YAAME,aAAa,GAAGP,WAAW,CAAC31B,KAAZ,GAAoB21B,WAAW,CAACl/B,QAAhC,GAA2Cu/B,SAAjE,CAHuC,CAIvC;;AACA,YAAItL,WAAW,GAAGuL,eAAd,IAAiCvL,WAAW,GAAGwL,aAAnD,EAAkE;AAChE,cAAIP,WAAW,CAAC3e,MAAhB,EAAwB;AACtB9kB,4BAAM,CAACC,GAAP,CAAW,iFAAX;AACAwjC,uBAAW,CAAC3e,MAAZ,CAAmBiK,KAAnB;AACD;;AACD,eAAK0U,WAAL,GAAmB,IAAnB;AACA,eAAK5E,YAAL,GAAoB,IAApB,CANgE,CAOhE;;AACA,eAAKtqB,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACD,SATD,MASO;AACL7iC,0BAAM,CAACC,GAAP,CAAW,sEAAX;AACD;AACF;AACF,KArBD,MAqBO,IAAIsU,KAAK,KAAKmuB,KAAK,CAACS,KAApB,EAA2B;AAChC;AACA,UAAI5L,UAAU,CAAC1yB,GAAX,KAAmB,CAAvB,EAA0B;AACxB,aAAKg6B,YAAL,GAAoB,IAApB;AACA,aAAK4E,WAAL,GAAmB,IAAnB;AACD,OAL+B,CAOhC;;;AACA,WAAKlvB,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACD;;AACD,QAAIlY,KAAJ,EAAW;AACT,WAAKmV,eAAL,GAAuBtH,WAAvB;AACD,KA1Ce,CA4ChB;;;AACA,QAAI,CAAC,KAAKyL,cAAV,EAA0B;AACxB,WAAKC,gBAAL,GAAwB,KAAKC,aAAL,GAAqB3L,WAA7C;AACD,KA/Ce,CAiDhB;;;AACA,SAAKwJ,IAAL;AACD,G;;SAEDoC,Y,GAAA,wBAAgB;AACd;AACA,SAAKD,aAAL,GAAqB,KAAKrE,eAAL,GAAuB,CAA5C;AACD,G;;SAEDzd,mB,GAAA,+BAAuB;AACrB,SAAKmhB,QAAL;;AACA,wBAAMnhB,mBAAN;AACD,G;;SAEDE,kB,GAAA,8BAAsB;AACpB,SAAKhO,KAAL,GAAamuB,KAAK,CAACC,OAAnB;AACA,SAAKpD,eAAL,GAAuB,IAAvB;AACD,G;;SAED8E,mB,GAAA,6BAAqBzG,OAArB,EAA8BzM,YAA9B,EAA4C;AAC1C,QAAImT,aAAa,GAAG,KAAKhlC,MAAL,CAAYilC,gBAAZ,KAAiCtlC,SAAjC,GAA6C,KAAKK,MAAL,CAAYilC,gBAAzD,GAA4E,KAAKjlC,MAAL,CAAYklC,qBAAZ,GAAoCrT,YAAY,CAAC7K,cAAjJ;AACA,WAAOsX,OAAO,GAAGp2B,IAAI,CAACoX,GAAL,CAAS,CAAT,EAAYuS,YAAY,CAAC5K,aAAb,GAA6B+d,aAAzC,CAAjB;AACD,G;;;EA5G+C3C,Q;;;;;;;;;;;;;;;;ACvBlD;;;AAIA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AAEA,IAAM8C,aAAa,GAAG,GAAtB,C,CAA2B;;IAErBC,kC;;;;;AACJ,4BAAa3iB,GAAb,EAAkBwd,eAAlB,EAAmC;AAAA;;AACjC,6CAAMxd,GAAN,EACElhB,iBAAK,CAACoe,cADR,EAEEpe,iBAAK,CAACqe,eAFR,EAGEre,iBAAK,CAAC+e,gBAHR,EAIE/e,iBAAK,CAACif,eAJR,EAKEjf,iBAAK,CAACqf,YALR,EAMErf,iBAAK,CAAC6gB,UANR,EAOE7gB,iBAAK,CAACsgB,WAPR,EAQEtgB,iBAAK,CAACqgB,2BARR,EASErgB,iBAAK,CAACyX,yBATR,EAUEzX,iBAAK,CAAC4U,iBAVR,EAWE5U,iBAAK,CAACmV,WAXR,EAYEnV,iBAAK,CAACC,KAZR,EAaED,iBAAK,CAAC0f,qBAbR,EAcE1f,iBAAK,CAAC2f,oBAdR,EAeE3f,iBAAK,CAACye,cAfR,EAgBEze,iBAAK,CAAC2e,eAhBR,EAiBE3e,iBAAK,CAAC8e,cAjBR;AAmBA,UAAK4f,eAAL,GAAuBA,eAAvB;AACA,UAAKjgC,MAAL,GAAcyiB,GAAG,CAACziB,MAAlB;AACA,UAAKqlC,cAAL,GAAsB,KAAtB;AACA,UAAKC,MAAL,GAAclC,KAAK,CAACC,OAApB;AACA,UAAKlD,aAAL,GAAqB,KAArB;AACA,UAAKoF,aAAL,GAAqB,IAArB;AACA,UAAKC,QAAL,GAAgB,KAAhB;AA1BiC;AA2BlC;;;;SAEDvB,S,GAAA,mBAAWY,aAAX,EAA0B;AACxB,QAAI,KAAKva,MAAT,EAAiB;AACf,UAAIkW,eAAe,GAAG,KAAKA,eAA3B;AAAA,UAA4C/d,GAAG,GAAG,KAAKA,GAAvD;AACA,WAAKyhB,QAAL;AACA,WAAKnB,WAAL,CAAiBoC,aAAjB;AACA,WAAK7f,KAAL,GAAa,CAAC,CAAd;AACA,WAAKmgB,aAAL,GAAqB,CAArB;;AACA,UAAI,CAAC,KAAKC,kBAAV,EAA8B;AAC5B;AACA,YAAIC,UAAU,GAAGljB,GAAG,CAACkjB,UAArB;;AACA,YAAIA,UAAU,KAAK,CAAC,CAApB,EAAuB;AACrB;AACAA,oBAAU,GAAG,CAAb;AACA,eAAK1O,WAAL,GAAmB,IAAnB;AACD,SAP2B,CAQ5B;AACA;;;AACA,aAAK3R,KAAL,GAAa7C,GAAG,CAACmjB,aAAJ,GAAoBD,UAAjC;AACA,aAAKhB,cAAL,GAAsB,KAAtB;AACD,OAlBc,CAmBf;;;AACA,UAAInE,eAAe,GAAG,CAAlB,IAAuBqE,aAAa,KAAK,CAAC,CAA9C,EAAiD;AAC/CnkC,wBAAM,CAACC,GAAP,mDAA2D6/B,eAAe,CAACnD,OAAhB,CAAwB,CAAxB,CAA3D;AACAwH,qBAAa,GAAGrE,eAAhB;AACD;;AACD,WAAKvrB,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACA,WAAKqB,gBAAL,GAAwB,KAAKC,aAAL,GAAqB,KAAKrE,eAAL,GAAuBqE,aAApE;AACA,WAAKnC,IAAL;AACD,KA3BD,MA2BO;AACL,WAAKmD,cAAL,GAAsB,IAAtB;AACA,WAAK5wB,KAAL,GAAamuB,KAAK,CAACC,OAAnB;AACD;AACF,G;;SAEDa,Q,GAAA,oBAAY;AACV,SAAK2B,cAAL,GAAsB,KAAtB;;AACA,oCAAM3B,QAAN;AACD,G;;SAEDhB,M,GAAA,kBAAU;AACR,YAAQ,KAAKjuB,KAAb;AACA,WAAKmuB,KAAK,CAAChjB,eAAX;AACE;AACA,aAAKqlB,aAAL,GAAqB,CAArB;AACA;;AACF,WAAKrC,KAAK,CAACG,IAAX;AACE,aAAKuC,WAAL;;AACA;;AACF,WAAK1C,KAAK,CAACW,aAAX;AACE,YAAIze,KAAK,GAAG,KAAKgF,MAAL,CAAY,KAAKhF,KAAjB,CAAZ,CADF,CAEE;;AACA,YAAIA,KAAK,IAAIA,KAAK,CAAC1jB,OAAnB,EAA4B;AAC1B,eAAKqT,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACD;;AAED;;AACF,WAAKH,KAAK,CAACK,0BAAX;AACE,YAAI9sB,GAAG,GAAG+W,MAAM,CAAC9W,WAAP,CAAmBD,GAAnB,EAAV;AACA,YAAIovB,SAAS,GAAG,KAAKA,SAArB,CAFF,CAGE;;AACA,YAAI,CAACA,SAAD,IAAepvB,GAAG,IAAIovB,SAAtB,IAAqC,KAAK1a,KAAL,IAAc,KAAKA,KAAL,CAAWiV,OAAlE,EAA4E;AAC1E5/B,0BAAM,CAACC,GAAP,CAAW,+DAAX;AACA,eAAKsU,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACD;;AACD;;AACF,WAAKH,KAAK,CAAC5hC,KAAX;AACA,WAAK4hC,KAAK,CAACC,OAAX;AACA,WAAKD,KAAK,CAAC1hB,YAAX;AACA,WAAK0hB,KAAK,CAACO,OAAX;AACA,WAAKP,KAAK,CAACQ,MAAX;AACA,WAAKR,KAAK,CAACS,KAAX;AACE;;AACF;AACE;AAjCF,KADQ,CAoCR;;;AACA,SAAKmC,YAAL,GArCQ,CAsCR;;;AACA,SAAKC,qBAAL;AACD,G,CAED;AACA;AACA;;;SACAH,W,GAAA,uBAAe;AACb,QAAMrjB,GAAG,GAAG,KAAKA,GAAjB;AAAA,QACEziB,MAAM,GAAGyiB,GAAG,CAACziB,MADf;AAAA,QAEEqrB,KAAK,GAAG,KAAKA,KAFf,CADa,CAKb;AACA;AACA;;AACA,QAAI,KAAK6a,eAAL,KAAyBvmC,SAAzB,IACF,CAAC0rB,KAAD,KAAW,KAAKqa,kBAAL,IAA2B,CAAC1lC,MAAM,CAACmmC,iBAA9C,CADF,EACqE;AACnE;AACD,KAXY,CAab;;;AACA,QAAIxxB,GAAJ;;AACA,QAAI,KAAKgwB,cAAT,EAAyB;AACvBhwB,SAAG,GAAG0W,KAAK,CAAC6N,WAAZ;AACD,KAFD,MAEO;AACLvkB,SAAG,GAAG,KAAKiwB,gBAAX;AACD,KAnBY,CAqBb;;;AACA,QAAItf,KAAK,GAAG7C,GAAG,CAACmjB,aAAhB;AAAA,QACEQ,SAAS,GAAG,KAAK9b,MAAL,CAAYhF,KAAZ,CADd;;AAGA,QAAI,CAAC8gB,SAAL,EAAgB;AACd;AACD;;AAED,QAAIC,YAAY,GAAGD,SAAS,CAACtb,OAA7B;AAAA,QACEwb,SADF,CA7Ba,CAgCb;;AACA,QAAID,YAAJ,EAAkB;AAChBC,eAAS,GAAGp+B,IAAI,CAACoX,GAAL,CAAS,IAAItf,MAAM,CAACumC,aAAX,GAA2BF,YAApC,EAAkDrmC,MAAM,CAACwmC,eAAzD,CAAZ;AACD,KAFD,MAEO;AACLF,eAAS,GAAGtmC,MAAM,CAACwmC,eAAnB;AACD;;AAEDF,aAAS,GAAGp+B,IAAI,CAACC,GAAL,CAASm+B,SAAT,EAAoBtmC,MAAM,CAACymC,kBAA3B,CAAZ,CAvCa,CAyCb;AACA;;AAEA,QAAMxO,UAAU,GAAGF,YAAY,CAACE,UAAb,CAAwB,KAAKsM,WAAL,GAAmB,KAAKA,WAAxB,GAAsClZ,KAA9D,EAAqE1W,GAArE,EAA0E3U,MAAM,CAACwhC,aAAjF,CAAnB;AAAA,QACE5I,SAAS,GAAGX,UAAU,CAAC1yB,GADzB,CA5Ca,CA8Cb;;AACA,QAAIqzB,SAAS,IAAI0N,SAAjB,EAA4B;AAC1B;AACD,KAjDY,CAmDb;;;AACA5lC,oBAAM,CAAC8uB,KAAP,uBAAiCoJ,SAAS,CAACyE,OAAV,CAAkB,CAAlB,CAAjC,yBAAyEiJ,SAAS,CAACjJ,OAAV,CAAkB,CAAlB,CAAzE,sCApDa,CAsDb;;AACA,SAAK/X,KAAL,GAAa7C,GAAG,CAACmjB,aAAJ,GAAoBtgB,KAAjC;AAEA,QAAMuM,YAAY,GAAGuU,SAAS,CAACxkC,OAA/B,CAzDa,CA0Db;AACA;AACA;;AACA,QAAI,CAACiwB,YAAD,IAAkBA,YAAY,CAAClL,IAAb,IAAqB,KAAKuf,eAAL,KAAyB5gB,KAApE,EAA4E;AAC1E,WAAKrQ,KAAL,GAAamuB,KAAK,CAACW,aAAnB;AACA;AACD;;AAED,QAAI,KAAKK,YAAL,CAAkBnM,UAAlB,EAA8BpG,YAA9B,CAAJ,EAAiD;AAC/C,UAAMv3B,IAAI,GAAG,EAAb;;AACA,UAAI,KAAKkrC,QAAT,EAAmB;AACjBlrC,YAAI,CAACmH,IAAL,GAAY,OAAZ;AACD;;AAED,WAAKghB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAAC4e,UAAvB,EAAmC7lB,IAAnC;AACA,WAAK2a,KAAL,GAAamuB,KAAK,CAACS,KAAnB;AACA;AACD,KA3EY,CA4Eb;;;AACA,SAAK6C,kBAAL,CAAwB/xB,GAAxB,EAA6BsjB,UAA7B,EAAyCpG,YAAzC;AACD,G;;SAED6U,kB,GAAA,4BAAoB/xB,GAApB,EAAyBsjB,UAAzB,EAAqCpG,YAArC,EAAmD;AACjD,QAAM0N,YAAY,GAAG,KAAKA,YAA1B;AAAA,QACEja,KAAK,GAAG,KAAKA,KADf;AAAA,QAEEoB,SAAS,GAAGmL,YAAY,CAACnL,SAF3B;AAAA,QAGEigB,OAAO,GAAGjgB,SAAS,CAACrpB,MAHtB,CADiD,CAMjD;;AACA,QAAIspC,OAAO,KAAK,CAAhB,EAAmB;AACjB;AACD,KATgD,CAWjD;;;AACA,QAAIn4B,KAAK,GAAGkY,SAAS,CAAC,CAAD,CAAT,CAAalY,KAAzB;AAAA,QACEyL,GAAG,GAAGyM,SAAS,CAACigB,OAAO,GAAG,CAAX,CAAT,CAAuBn4B,KAAvB,GAA+BkY,SAAS,CAACigB,OAAO,GAAG,CAAX,CAAT,CAAuB1hC,QAD9D;AAAA,QAEE8zB,SAAS,GAAGd,UAAU,CAAChe,GAFzB;AAAA,QAGE5I,IAHF;;AAKA,QAAIwgB,YAAY,CAAC9sB,WAAb,IAA4B,CAAC8sB,YAAY,CAAC9sB,WAAb,CAAyBzK,IAA1D,EAAgE;AAC9D+W,UAAI,GAAGwgB,YAAY,CAAC9sB,WAApB;AACD,KAFD,MAEO;AACL;AACA,UAAI8sB,YAAY,CAAClL,IAAjB,EAAuB;AACrB,YAAIigB,uBAAuB,GAAG,KAAK5mC,MAAL,CAAY4mC,uBAA1C;;AACA,YAAID,OAAO,GAAGC,uBAAd,EAAuC;AACrClmC,0BAAM,CAACgN,IAAP,sEAA+Ei5B,OAA/E,WAA4FC,uBAA5F;AACA;AACD;;AAEDv1B,YAAI,GAAG,KAAKw1B,0BAAL,CAAgChV,YAAhC,EAA8CkH,SAA9C,EAAyDvqB,KAAzD,EAAgEyL,GAAhE,EAAqEslB,YAArE,EAAmF7Y,SAAnF,EAA8FigB,OAA9F,CAAP,CAPqB,CAQrB;;AACA,YAAIt1B,IAAI,KAAK,IAAb,EAAmB;AACjB;AACD;AACF,OAZD,MAYO;AACL;AACA,YAAI0nB,SAAS,GAAGvqB,KAAhB,EAAuB;AACrB6C,cAAI,GAAGqV,SAAS,CAAC,CAAD,CAAhB;AACD;AACF;AACF;;AACD,QAAI,CAACrV,IAAL,EAAW;AACTA,UAAI,GAAG,KAAKy1B,aAAL,CAAmBt4B,KAAnB,EAA0B+wB,YAA1B,EAAwCoH,OAAxC,EAAiDjgB,SAAjD,EAA4DqS,SAA5D,EAAuE9e,GAAvE,EAA4E4X,YAA5E,CAAP;AACD;;AAED,QAAIxgB,IAAJ,EAAU;AACR,UAAIA,IAAI,CAAC01B,SAAT,EAAoB;AAClBrmC,wBAAM,CAACC,GAAP,sBAA8B0Q,IAAI,CAAC+T,EAAnC,aAA6CyM,YAAY,CAAC/K,OAA1D,UAAsE+K,YAAY,CAACpL,KAAnF,gBAAmGnB,KAAnG;;AACA,aAAK0hB,QAAL,CAAc31B,IAAd;AACD,OAHD,MAGO;AACL3Q,wBAAM,CAACC,GAAP,cAAsB0Q,IAAI,CAAC+T,EAA3B,aAAqCyM,YAAY,CAAC/K,OAAlD,UAA8D+K,YAAY,CAACpL,KAA3E,gBAA2FnB,KAA3F,sBAAiH3Q,GAAG,CAAC0oB,OAAJ,CAAY,CAAZ,CAAjH,mBAA6ItE,SAAS,CAACsE,OAAV,CAAkB,CAAlB,CAA7I;;AACA,aAAK4J,aAAL,CAAmB51B,IAAnB;AACD;AACF;AACF,G;;SAEDw1B,0B,GAAA,oCAA4BhV,YAA5B,EAA0CkH,SAA1C,EAAqDvqB,KAArD,EAA4DyL,GAA5D,EAAiEslB,YAAjE,EAA+E7Y,SAA/E,EAA0FigB,OAA1F,EAAmG;AACjG,QAAM3mC,MAAM,GAAG,KAAKyiB,GAAL,CAASziB,MAAxB;AAAA,QAAgCqrB,KAAK,GAAG,KAAKA,KAA7C;AAEA,QAAIha,IAAJ,CAHiG,CAKjG;AACA;;AACA,QAAI61B,UAAU,GAAGlnC,MAAM,CAACmnC,sBAAP,KAAkCxnC,SAAlC,GAA8CK,MAAM,CAACmnC,sBAArD,GAA8EnnC,MAAM,CAAConC,2BAAP,GAAqCvV,YAAY,CAAC7K,cAAjJ;;AAEA,QAAI+R,SAAS,GAAG7wB,IAAI,CAACoX,GAAL,CAAS9Q,KAAK,GAAGxO,MAAM,CAACi5B,sBAAxB,EAAgDhf,GAAG,GAAGitB,UAAtD,CAAhB,EAAmF;AACjF,UAAIG,gBAAgB,GAAG,KAAKA,gBAAL,GAAwB,KAAKtC,mBAAL,CAAyBv2B,KAAzB,EAAgCqjB,YAAhC,CAA/C;AACAkH,eAAS,GAAGsO,gBAAZ;;AACA,UAAIhc,KAAK,IAAI,CAACA,KAAK,CAACyV,MAAhB,IAA0BzV,KAAK,CAACic,UAAhC,IAA8Cjc,KAAK,CAACpmB,QAAN,GAAiBoiC,gBAA/D,IAAmFA,gBAAgB,GAAGhc,KAAK,CAAC6N,WAAhH,EAA6H;AAC3Hx4B,wBAAM,CAACC,GAAP,kBAA0Bo4B,SAAS,CAACsE,OAAV,CAAkB,CAAlB,CAA1B,0FAAmIgK,gBAAgB,CAAChK,OAAjB,CAAyB,CAAzB,CAAnI;AACAhS,aAAK,CAAC6N,WAAN,GAAoBmO,gBAApB;AACD;;AAED,WAAKzC,gBAAL,GAAwByC,gBAAxB;AACD,KAlBgG,CAoBjG;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;;AACA,QAAIxV,YAAY,CAAC6J,QAAb,IAAyB3C,SAAS,GAAG9e,GAArC,IAA4CoR,KAA5C,IAAqDA,KAAK,CAACic,UAA/D,EAA2E;AACzE,aAAO,IAAP;AACD;;AAED,QAAI,KAAK5B,kBAAL,IAA2B,CAAC7T,YAAY,CAAC6J,QAA7C,EAAuD;AACrD;;;;AAIA,UAAI6D,YAAJ,EAAkB;AAChB,YAAI1N,YAAY,CAAC+M,kBAAjB,EAAqC;AACnC;AACAl+B,0BAAM,CAACC,GAAP,kEAA0E4+B,YAAY,CAACza,eAAvF;AACAzT,cAAI,GAAG0tB,iBAAiB,CAACrY,SAAD,EAAY6Y,YAAY,CAAC9R,kBAAzB,EAA6CztB,MAAM,CAACi5B,sBAApD,CAAxB;AACD,SAJD,MAIO;AACL;AACA,cAAMsO,QAAQ,GAAGhI,YAAY,CAACna,EAAb,GAAkB,CAAnC;;AACA,cAAImiB,QAAQ,IAAI1V,YAAY,CAAC/K,OAAzB,IAAoCygB,QAAQ,IAAI1V,YAAY,CAACpL,KAAjE,EAAwE;AACtE,gBAAM+Y,QAAQ,GAAG9Y,SAAS,CAAC6gB,QAAQ,GAAG1V,YAAY,CAAC/K,OAAzB,CAA1B;;AACA,gBAAIyY,YAAY,CAACta,EAAb,KAAoBua,QAAQ,CAACva,EAAjC,EAAqC;AACnC5T,kBAAI,GAAGmuB,QAAP;AACA9+B,8BAAM,CAACC,GAAP,iEAAyE0Q,IAAI,CAAC+T,EAA9E;AACD;AACF,WATI,CAUL;AACA;;;AACA,cAAI,CAAC/T,IAAL,EAAW;AACTA,gBAAI,GAAGimB,aAAY,CAACC,MAAb,CAAoB7Q,SAApB,EAA+B,UAAUrV,IAAV,EAAgB;AACpD,qBAAOkuB,YAAY,CAACta,EAAb,GAAkB5T,IAAI,CAAC4T,EAA9B;AACD,aAFM,CAAP;;AAGA,gBAAI5T,IAAJ,EAAU;AACR3Q,8BAAM,CAACC,GAAP,iEAAyE0Q,IAAI,CAAC+T,EAA9E;AACD;AACF;AACF;AACF;;AACD,UAAI,CAAC/T,IAAL,EAAW;AACT;;;AAGAA,YAAI,GAAGqV,SAAS,CAACxe,IAAI,CAACC,GAAL,CAASw+B,OAAO,GAAG,CAAnB,EAAsBz+B,IAAI,CAAC6J,KAAL,CAAW40B,OAAO,GAAG,CAArB,CAAtB,CAAD,CAAhB;AACAjmC,wBAAM,CAACC,GAAP,qEAA6E0Q,IAAI,CAAC+T,EAAlF;AACD;AACF;;AAED,WAAO/T,IAAP;AACD,G;;SAEDy1B,a,GAAA,uBAAet4B,KAAf,EAAsBg5B,gBAAtB,EAAwCC,kBAAxC,EAA4D/gB,SAA5D,EAAuEqS,SAAvE,EAAkF9e,GAAlF,EAAuF4X,YAAvF,EAAqG;AACnG,QAAM7xB,MAAM,GAAG,KAAKyiB,GAAL,CAASziB,MAAxB;AACA,QAAI0nC,YAAJ;;AAEA,QAAI3O,SAAS,GAAG9e,GAAhB,EAAqB;AACnB,UAAM0tB,eAAe,GAAI5O,SAAS,GAAG9e,GAAG,GAAGja,MAAM,CAACi5B,sBAA1B,GAAoD,CAApD,GAAwDj5B,MAAM,CAACi5B,sBAAvF,CADmB,CAEnB;AACA;;AACAyO,kBAAY,GAAGpI,iBAAiB,CAACkI,gBAAD,EAAmB9gB,SAAnB,EAA8BqS,SAA9B,EAAyC4O,eAAzC,CAAhC;AACD,KALD,MAKO;AACL;AACAD,kBAAY,GAAGhhB,SAAS,CAAC+gB,kBAAkB,GAAG,CAAtB,CAAxB;AACD;;AAED,QAAIC,YAAJ,EAAkB;AAChB,UAAME,QAAQ,GAAGF,YAAY,CAACtiB,EAAb,GAAkByM,YAAY,CAAC/K,OAAhD;AACA,UAAM+gB,SAAS,GAAGL,gBAAgB,IAAIE,YAAY,CAACpiB,KAAb,KAAuBkiB,gBAAgB,CAACliB,KAA9E;AACA,UAAMwiB,UAAU,GAAGphB,SAAS,CAACkhB,QAAQ,GAAG,CAAZ,CAA5B;AACA,UAAMG,UAAU,GAAGrhB,SAAS,CAACkhB,QAAQ,GAAG,CAAZ,CAA5B,CAJgB,CAMhB;;AACA,UAAIJ,gBAAgB,IAAIE,YAAY,CAACtiB,EAAb,KAAoBoiB,gBAAgB,CAACpiB,EAA7D,EAAiE;AAC/D,YAAIyiB,SAAS,IAAI,CAACH,YAAY,CAACvL,WAA/B,EAA4C;AAC1C,cAAIuL,YAAY,CAACtiB,EAAb,GAAkByM,YAAY,CAACpL,KAAnC,EAA0C;AACxC,gBAAI7B,QAAQ,GAAG4iB,gBAAgB,CAAC5iB,QAAhC,CADwC,CAExC;AACA;AACA;AACA;;AACA,gBAAIA,QAAQ,IAAIA,QAAQ,GAAG5kB,MAAM,CAACwhC,aAA9B,IAA+CgG,gBAAgB,CAAC15B,OAAhE,IAA2E85B,QAA/E,EAAyF;AACvFF,0BAAY,GAAGI,UAAf;AACApnC,8BAAM,CAACgN,IAAP,CAAY,wKAAZ;AACD,aAHD,MAGO;AACLg6B,0BAAY,GAAGK,UAAf;AACArnC,8BAAM,CAACC,GAAP,mCAA2C+mC,YAAY,CAACtiB,EAAxD;AACD;AACF,WAbD,MAaO;AACLsiB,wBAAY,GAAG,IAAf;AACD;AACF,SAjBD,MAiBO,IAAIA,YAAY,CAACvL,WAAjB,EAA8B;AACnC;AACA,cAAI4L,UAAU,IAAIA,UAAU,CAAC5L,WAA7B,EAA0C;AACxCz7B,4BAAM,CAACgN,IAAP,wCAAiDq6B,UAAU,CAAC3iB,EAA5D,yCAAkGsiB,YAAY,CAACtiB,EAA/G,2BAAuI2iB,UAAU,CAAC3iB,EAAlJ;AACAsiB,wBAAY,GAAGK,UAAf;AACD,WAHD,MAGO;AACL;AACA;AACArnC,4BAAM,CAACgN,IAAP,CAAY,gFAAZ;AACAg6B,wBAAY,CAAC55B,OAAb,GAAuB,CAAvB;;AACA,gBAAIg6B,UAAJ,EAAgB;AACdJ,0BAAY,GAAGI,UAAf;AACAJ,0BAAY,CAACvL,WAAb,GAA2B,IAA3B;AACD,aAHD,MAGO,IAAIyL,QAAJ,EAAc;AACnB;AACAF,0BAAY,GAAG,IAAf;AACD;AACF;AACF;AACF;AACF;;AAED,WAAOA,YAAP;AACD,G;;SAEDV,Q,GAAA,kBAAU31B,IAAV,EAAgB;AACd,SAAK4D,KAAL,GAAamuB,KAAK,CAACjhB,WAAnB;AACA,SAAKM,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAAC4gB,WAAvB,EAAoC;AAAE9Q,UAAI,EAAJA;AAAF,KAApC;AACD,G;;SAED41B,a,GAAA,uBAAe51B,IAAf,EAAqB;AACnB;AACA,QAAIgzB,SAAS,GAAG,KAAKpE,eAAL,CAAqBlJ,QAArB,CAA8B1lB,IAA9B,CAAhB;AAEA,SAAK8yB,WAAL,GAAmB9yB,IAAnB;;AACA,QAAIA,IAAI,CAAC+T,EAAL,KAAY,aAAhB,EAA+B;AAC7B,WAAKsgB,kBAAL,GAA0B,IAA1B;AACD,KAPkB,CAQnB;;;AACA,QAAI,0CAAgBr0B,IAAI,CAAC+T,EAArB,KAA4B,CAAC/T,IAAI,CAAC4lB,WAAtC,EAAmD;AACjD,WAAK2N,gBAAL,GAAwBvzB,IAAI,CAAC7C,KAAL,GAAa6C,IAAI,CAACpM,QAA1C;AACD,KAXkB,CAanB;;;AACA,QAAIoM,IAAI,CAAC8qB,WAAL,IAAoBkI,SAAS,KAAK7P,aAAa,CAACC,UAAhD,IAA8D4P,SAAS,KAAK7P,aAAa,CAACG,OAA9F,EAAuG;AACrGtjB,UAAI,CAAC22B,SAAL,GAAiB,KAAKvlB,GAAL,CAASwlB,gBAA1B;AACA52B,UAAI,CAAC4lB,WAAL,GAAmB,KAAKA,WAAxB;AAEA,WAAKxU,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACmgB,YAAvB,EAAqC;AAAErQ,YAAI,EAAJA;AAAF,OAArC,EAJqG,CAKrG;;AACA,UAAI,CAAC,KAAK2F,OAAV,EAAmB;AACjB,aAAKA,OAAL,GAAe,IAAIsiB,aAAJ,CAAY,KAAK7W,GAAjB,EAAsB,MAAtB,CAAf;AACD;;AAED,WAAKxN,KAAL,GAAamuB,KAAK,CAAC1hB,YAAnB;AACD,KAXD,MAWO,IAAI2iB,SAAS,KAAK7P,aAAa,CAACE,SAAhC,EAA2C;AAChD;AACA,UAAI,KAAKwT,sBAAL,CAA4B72B,IAAI,CAACpM,QAAjC,CAAJ,EAAgD;AAC9C,aAAKg7B,eAAL,CAAqB9J,cAArB,CAAoC9kB,IAApC;AACD;AACF;AACF,G;;SAeD8jB,e,GAAA,yBAAiBrtB,QAAjB,EAA2B;AACzB,WAAO,KAAKm4B,eAAL,CAAqB9K,eAArB,CAAqCrtB,QAArC,EAA+C6b,iBAAiB,CAACwK,IAAjE,CAAP;AACD,G;;SAuBDga,qB,GAAA,+BAAuB92B,IAAvB,EAA6B;AAC3B,QAAIA,IAAJ,EAAU;AACR;AACA,aAAO,KAAK8jB,eAAL,CAAqB9jB,IAAI,CAACokB,MAAL,GAAc,GAAnC,CAAP;AACD;;AACD,WAAO,IAAP;AACD,G;;SAWDwQ,qB,GAAA,iCAAyB;AACvB,QAAImC,kBAAJ;AAAA,QAAwBlP,WAAxB;AAAA,QAAqCnsB,KAAK,GAAG,KAAKse,KAAlD;;AACA,QAAIte,KAAK,IAAIA,KAAK,CAACu6B,UAAf,IAA6Bv6B,KAAK,CAACuzB,OAAN,KAAkB,KAAnD,EAA0D;AACxDpH,iBAAW,GAAGnsB,KAAK,CAACmsB,WAApB;AACA;;;;;;;AAMA,UAAIA,WAAW,GAAG,KAAKsH,eAAvB,EAAwC;AACtC,aAAKA,eAAL,GAAuBtH,WAAvB;AACD;;AAED,UAAInB,YAAY,CAACC,UAAb,CAAwBjrB,KAAxB,EAA+BmsB,WAA/B,CAAJ,EAAiD;AAC/CkP,0BAAkB,GAAG,KAAKjT,eAAL,CAAqB+D,WAArB,CAArB;AACD,OAFD,MAEO,IAAInB,YAAY,CAACC,UAAb,CAAwBjrB,KAAxB,EAA+BmsB,WAAW,GAAG,GAA7C,CAAJ,EAAuD;AAC5D;;;;;AAKAkP,0BAAkB,GAAG,KAAKjT,eAAL,CAAqB+D,WAAW,GAAG,GAAnC,CAArB;AACD;;AACD,UAAIkP,kBAAJ,EAAwB;AACtB,YAAIC,WAAW,GAAGD,kBAAlB;;AACA,YAAIC,WAAW,KAAK,KAAKA,WAAzB,EAAsC;AACpC,eAAK5lB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACwgB,YAAvB,EAAqC;AAAE1Q,gBAAI,EAAEg3B;AAAR,WAArC;AACA,cAAMC,gBAAgB,GAAGD,WAAW,CAAC/iB,KAArC;;AACA,cAAI,CAAC,KAAK+iB,WAAN,IAAqB,KAAKA,WAAL,CAAiB/iB,KAAjB,KAA2BgjB,gBAApD,EAAsE;AACpE,iBAAK7lB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACmf,cAAvB,EAAuC;AAAE4E,mBAAK,EAAEgjB;AAAT,aAAvC;AACD;;AAED,eAAKD,WAAL,GAAmBA,WAAnB;AACD;AACF;AACF;AACF;AAED;;;;;;;;SAMAE,oB,GAAA,gCAAwB;AACtB7nC,oBAAM,CAACC,GAAP,CAAW,sBAAX;;AACA,QAAI,CAAC,KAAK6nC,eAAV,EAA2B;AACzB,WAAKA,eAAL,GAAuB,IAAvB;AACA,UAAInd,KAAK,GAAG,KAAKA,KAAjB;AAAA,UAAwBod,gBAAxB;;AACA,UAAIpd,KAAJ,EAAW;AACTod,wBAAgB,GAAGpd,KAAK,CAACyV,MAAzB;AACAzV,aAAK,CAACqd,KAAN;AACD,OAHD,MAGO;AACL;AACAD,wBAAgB,GAAG,IAAnB;AACD;;AACD,WAAKA,gBAAL,GAAwBA,gBAAxB;AACD;;AACD,QAAItE,WAAW,GAAG,KAAKA,WAAvB;;AACA,QAAIA,WAAW,IAAIA,WAAW,CAAC3e,MAA/B,EAAuC;AACrC2e,iBAAW,CAAC3e,MAAZ,CAAmBiK,KAAnB;AACD;;AAED,SAAK0U,WAAL,GAAmB,IAAnB,CAnBsB,CAoBtB;;AACA,SAAKwE,eAAL,CAAqB,CAArB,EAAwB/gB,MAAM,CAACghB,iBAA/B;AACD;AAED;;;;;;;SAKAC,uB,GAAA,mCAA2B;AACzB,QAAMxd,KAAK,GAAG,KAAKA,KAAnB;;AACA,QAAIA,KAAK,IAAIA,KAAK,CAACmK,QAAN,CAAen4B,MAA5B,EAAoC;AAClC,WAAKmrC,eAAL,GAAuB,KAAvB;;AACA,UAAIzQ,YAAY,CAACC,UAAb,CAAwB3M,KAAxB,EAA+BA,KAAK,CAAC6N,WAArC,CAAJ,EAAuD;AACrD;AACA7N,aAAK,CAAC6N,WAAN,IAAqB,MAArB;AACD;;AACD,UAAI,CAAC,KAAKuP,gBAAV,EAA4B;AAC1Bpd,aAAK,CAACyd,IAAN;AACD;AACF;AACF;AAED;;;;;;;;SAMAC,e,GAAA,2BAAmB;AACjB,QAAM1d,KAAK,GAAG,KAAKA,KAAnB,CADiB,CAEjB;;AACA,QAAIA,KAAK,IAAIA,KAAK,CAACic,UAAnB,EAA+B;AAC7B,UAAI0B,UAAJ,EAAgBZ,kBAAhB,EAAoCa,gBAApC;AACAb,wBAAkB,GAAG,KAAKjT,eAAL,CAAqB9J,KAAK,CAAC6N,WAA3B,CAArB;;AACA,UAAIkP,kBAAkB,IAAIA,kBAAkB,CAAC/xB,QAAnB,GAA8B,CAAxD,EAA2D;AACzD;AACA;AACA,aAAKsyB,eAAL,CAAqB,CAArB,EAAwBP,kBAAkB,CAAC/xB,QAAnB,GAA8B,CAAtD;AACD;;AACD,UAAI,CAACgV,KAAK,CAACyV,MAAX,EAAmB;AACjB;AACA,YAAIoI,WAAW,GAAG,KAAKzmB,GAAL,CAASmjB,aAA3B;AAAA,YAA0CuD,SAAS,GAAG,KAAK7e,MAAL,CAAY4e,WAAZ,CAAtD;AAAA,YAAgFE,YAAY,GAAG,KAAKA,YAApG;;AACA,YAAIA,YAAY,IAAI,KAAKjF,WAAzB,EAAsC;AACpC6E,oBAAU,GAAG,KAAK7E,WAAL,CAAiBl/B,QAAjB,GAA4BkkC,SAAS,CAACre,OAAtC,IAAiD,OAAOse,YAAxD,IAAwE,CAArF;AACD,SAFD,MAEO;AACLJ,oBAAU,GAAG,CAAb;AACD;AACF,OARD,MAQO;AACLA,kBAAU,GAAG,CAAb;AACD,OAlB4B,CAmB7B;AACA;;;AACAC,sBAAgB,GAAG,KAAK9T,eAAL,CAAqB9J,KAAK,CAAC6N,WAAN,GAAoB8P,UAAzC,CAAnB;;AACA,UAAIC,gBAAJ,EAAsB;AACpB;AACAA,wBAAgB,GAAG,KAAKd,qBAAL,CAA2Bc,gBAA3B,CAAnB;;AACA,YAAIA,gBAAJ,EAAsB;AACpB;AACA,cAAI9E,WAAW,GAAG,KAAKA,WAAvB;;AACA,cAAIA,WAAW,IAAIA,WAAW,CAAC3e,MAA/B,EAAuC;AACrC2e,uBAAW,CAAC3e,MAAZ,CAAmBiK,KAAnB;AACD;;AAED,eAAK0U,WAAL,GAAmB,IAAnB,CAPoB,CAQpB;AACA;AACA;;AACA,eAAKwE,eAAL,CAAqBM,gBAAgB,CAAC1N,WAAtC,EAAmD3T,MAAM,CAACghB,iBAA1D;AACD;AACF;AACF;AACF,G;;SAEDD,e,GAAA,yBAAiB/yB,WAAjB,EAA8ByzB,SAA9B,EAAyC;AACvC,SAAKp0B,KAAL,GAAamuB,KAAK,CAAChjB,eAAnB;AACA,QAAIkpB,UAAU,GAAG;AAAE1zB,iBAAW,EAAEA,WAAf;AAA4ByzB,eAAS,EAAEA;AAAvC,KAAjB,CAFuC,CAGvC;;AACA,QAAI,KAAK7D,QAAT,EAAmB;AACjB8D,gBAAU,CAAC7nC,IAAX,GAAkB,OAAlB;AACD;;AAED,SAAKghB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAAC6e,eAAvB,EAAwCkpB,UAAxC;AACD,G;;SAEDC,e,GAAA,yBAAiBjvC,IAAjB,EAAuB;AACrB,QAAI+wB,KAAK,GAAG,KAAKA,KAAL,GAAa,KAAKkZ,WAAL,GAAmBjqC,IAAI,CAAC+wB,KAAjD;AACA,SAAKme,UAAL,GAAkB,KAAKlF,cAAL,CAAoB75B,IAApB,CAAyB,IAAzB,CAAlB;AACA,SAAKg/B,SAAL,GAAiB,KAAKC,aAAL,CAAmBj/B,IAAnB,CAAwB,IAAxB,CAAjB;AACA,SAAKk/B,QAAL,GAAgB,KAAK7E,YAAL,CAAkBr6B,IAAlB,CAAuB,IAAvB,CAAhB;AACA4gB,SAAK,CAAC3S,gBAAN,CAAuB,SAAvB,EAAkC,KAAK8wB,UAAvC;AACAne,SAAK,CAAC3S,gBAAN,CAAuB,QAAvB,EAAiC,KAAK+wB,SAAtC;AACApe,SAAK,CAAC3S,gBAAN,CAAuB,OAAvB,EAAgC,KAAKixB,QAArC;AACA,QAAI3pC,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAI,KAAKsqB,MAAL,IAAetqB,MAAM,CAAC4pC,aAA1B,EAAyC;AACvC,WAAKnnB,GAAL,CAASwhB,SAAT,CAAmBjkC,MAAM,CAAC6kC,aAA1B;AACD;;AAED,SAAKU,aAAL,GAAqB,IAAIvF,4BAAJ,CAAkBhgC,MAAlB,EAA0BqrB,KAA1B,EAAiC,KAAK4U,eAAtC,EAAuD,KAAKxd,GAA5D,CAArB;AACD,G;;SAEDonB,gB,GAAA,4BAAoB;AAClB,QAAIxe,KAAK,GAAG,KAAKA,KAAjB;;AACA,QAAIA,KAAK,IAAIA,KAAK,CAAC0V,KAAnB,EAA0B;AACxBrgC,sBAAM,CAACC,GAAP,CAAW,oDAAX;AACA,WAAKkkC,aAAL,GAAqB,KAAKrE,eAAL,GAAuB,CAA5C;AACD,KALiB,CAOlB;;;AACA,QAAIlW,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAIA,MAAJ,EAAY;AACVA,YAAM,CAACxX,OAAP,CAAe,UAAAwS,KAAK,EAAI;AACtB,YAAIA,KAAK,CAAC1jB,OAAV,EAAmB;AACjB0jB,eAAK,CAAC1jB,OAAN,CAAc8kB,SAAd,CAAwB5T,OAAxB,CAAgC,UAAA4L,QAAQ,EAAI;AAC1CA,oBAAQ,CAACyd,WAAT,GAAuBx8B,SAAvB;AACD,WAFD;AAGD;AACF,OAND;AAOD,KAjBiB,CAmBlB;;;AACA,QAAI0rB,KAAJ,EAAW;AACTA,WAAK,CAACiP,mBAAN,CAA0B,SAA1B,EAAqC,KAAKkP,UAA1C;AACAne,WAAK,CAACiP,mBAAN,CAA0B,QAA1B,EAAoC,KAAKmP,SAAzC;AACApe,WAAK,CAACiP,mBAAN,CAA0B,OAA1B,EAAmC,KAAKqP,QAAxC;AACA,WAAKH,UAAL,GAAkB,KAAKC,SAAL,GAAiB,KAAKE,QAAL,GAAgB,IAAnD;AACD;;AAED,SAAK1J,eAAL,CAAqB5I,kBAArB;AACA,SAAKhM,KAAL,GAAa,KAAKkZ,WAAL,GAAmB,IAAhC;AACA,SAAKI,cAAL,GAAsB,KAAtB;AACA,SAAKT,QAAL;AACD,G;;SAEDwF,a,GAAA,yBAAiB;AACf,QAAMre,KAAK,GAAG,KAAKA,KAAnB;AACA,QAAM6N,WAAW,GAAG7N,KAAK,GAAGA,KAAK,CAAC6N,WAAT,GAAuBv5B,SAAhD;AAFe,QAGPihC,mBAHO,GAGiB,KAAK5gC,MAHtB,CAGP4gC,mBAHO,EAKf;;AACA,QAAI,CAACA,mBAAD,IAAwB,CAAC,KAAK2E,aAAL,CAAmB1E,2BAAnB,EAA7B,EAA+E;AAC7E,WAAKpe,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAAC+gB,mBAAvB;AACD;;AAED,QAAI,0CAAgB4W,WAAhB,CAAJ,EAAkC;AAChCx4B,sBAAM,CAACC,GAAP,sBAA8Bu4B,WAAW,CAACmE,OAAZ,CAAoB,CAApB,CAA9B;AACD,KAZc,CAcf;;;AACA,SAAKqF,IAAL;AACD,G;;SAED3T,iB,GAAA,6BAAqB;AACnB;AACAruB,oBAAM,CAACC,GAAP,CAAW,sBAAX;AACA,SAAK8hB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACue,YAAvB;AACA,SAAKmgB,eAAL,CAAqB5I,kBAArB;AACA,SAAK+I,OAAL,GAAe,KAAf;AACA,SAAKyE,aAAL,GAAqB,KAAKrE,eAAL,GAAuB,CAA5C;AACD,G;;SAEDsJ,gB,GAAA,0BAAkBxvC,IAAlB,EAAwB;AACtB,QAAIyvC,GAAG,GAAG,KAAV;AAAA,QAAiBC,KAAK,GAAG,KAAzB;AAAA,QAAgC9mC,KAAhC;AACA5I,QAAI,CAACgwB,MAAL,CAAYxX,OAAZ,CAAoB,UAAAwS,KAAK,EAAI;AAC3B;AACApiB,WAAK,GAAGoiB,KAAK,CAACpjB,UAAd;;AACA,UAAIgB,KAAJ,EAAW;AACT,YAAIA,KAAK,CAACH,OAAN,CAAc,WAAd,MAA+B,CAAC,CAApC,EAAuC;AACrCgnC,aAAG,GAAG,IAAN;AACD;;AAED,YAAI7mC,KAAK,CAACH,OAAN,CAAc,WAAd,MAA+B,CAAC,CAApC,EAAuC;AACrCinC,eAAK,GAAG,IAAR;AACD;AACF;AACF,KAZD;AAaA,SAAKC,gBAAL,GAAyBF,GAAG,IAAIC,KAAhC;;AACA,QAAI,KAAKC,gBAAT,EAA2B;AACzBvpC,sBAAM,CAACC,GAAP,CAAW,wEAAX;AACD;;AAED,SAAK6kC,QAAL,GAAgBlrC,IAAI,CAACkrC,QAArB;AACA,SAAKlb,MAAL,GAAchwB,IAAI,CAACgwB,MAAnB;AACA,SAAKob,kBAAL,GAA0B,KAA1B;AACA,QAAI1lC,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAIA,MAAM,CAAC4pC,aAAP,IAAwB,KAAK/D,cAAjC,EAAiD;AAC/C,WAAKpjB,GAAL,CAASwhB,SAAT,CAAmBjkC,MAAM,CAAC6kC,aAA1B;AACD;AACF,G;;SAEDqF,a,GAAA,uBAAe5vC,IAAf,EAAqB;AACnB,QAAMuhC,UAAU,GAAGvhC,IAAI,CAACsH,OAAxB;AACA,QAAMuoC,UAAU,GAAG7vC,IAAI,CAACgrB,KAAxB;AACA,QAAMuY,SAAS,GAAG,KAAKvT,MAAL,CAAY,KAAK4b,eAAjB,CAAlB;AACA,QAAMkE,QAAQ,GAAG,KAAK9f,MAAL,CAAY6f,UAAZ,CAAjB;AACA,QAAMllC,QAAQ,GAAG42B,UAAU,CAAC5U,aAA5B;AACA,QAAIqX,OAAO,GAAG,CAAd;AAEA59B,oBAAM,CAACC,GAAP,YAAoBwpC,UAApB,iBAA0CtO,UAAU,CAAC/U,OAArD,SAAgE+U,UAAU,CAACpV,KAA3E,mBAA8FxhB,QAA9F;;AAEA,QAAI42B,UAAU,CAAClV,IAAf,EAAqB;AACnB,UAAIsX,UAAU,GAAGmM,QAAQ,CAACxoC,OAA1B;;AACA,UAAIq8B,UAAU,IAAIpC,UAAU,CAACnV,SAAX,CAAqBrpB,MAArB,GAA8B,CAAhD,EAAmD;AACjD;AACAgtC,oBAAA,CAAyBpM,UAAzB,EAAqCpC,UAArC;AACAyC,eAAO,GAAGzC,UAAU,CAACnV,SAAX,CAAqB,CAArB,EAAwBlY,KAAlC;AACA,aAAK64B,gBAAL,GAAwB,KAAKtC,mBAAL,CAAyBzG,OAAzB,EAAkCL,UAAlC,CAAxB;;AACA,YAAIpC,UAAU,CAACH,QAAX,IAAuB,0CAAgB4C,OAAhB,CAA3B,EAAqD;AACnD59B,0BAAM,CAACC,GAAP,4BAAoC29B,OAAO,CAACjB,OAAR,CAAgB,CAAhB,CAApC;AACD,SAFD,MAEO;AACL38B,0BAAM,CAACC,GAAP,CAAW,+CAAX;AACA49B,qBAAW,CAAC,KAAKgB,YAAN,EAAoB1B,SAApB,EAA+BhC,UAA/B,CAAX;AACD;AACF,OAXD,MAWO;AACLn7B,wBAAM,CAACC,GAAP,CAAW,6CAAX;AACAk7B,kBAAU,CAACH,QAAX,GAAsB,KAAtB;AACA6C,mBAAW,CAAC,KAAKgB,YAAN,EAAoB1B,SAApB,EAA+BhC,UAA/B,CAAX;AACD;AACF,KAlBD,MAkBO;AACLA,gBAAU,CAACH,QAAX,GAAsB,KAAtB;AACD,KA9BkB,CA+BnB;;;AACA0O,YAAQ,CAACxoC,OAAT,GAAmBi6B,UAAnB;AACA,SAAKqK,eAAL,GAAuBiE,UAAvB;AACA,SAAK1nB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACsf,aAAvB,EAAsC;AAAEjf,aAAO,EAAEi6B,UAAX;AAAuBvW,WAAK,EAAE6kB;AAA9B,KAAtC;;AAEA,QAAI,KAAKzE,kBAAL,KAA4B,KAAhC,EAAuC;AACvC;AACE,UAAI,KAAKb,aAAL,KAAuB,CAAC,CAAxB,IAA6B,KAAKrE,eAAL,KAAyB,CAAC,CAA3D,EAA8D;AAC5D;AACA,YAAIzZ,eAAe,GAAG8U,UAAU,CAAC9U,eAAjC;;AACA,YAAI,0CAAgBA,eAAhB,CAAJ,EAAsC;AACpC,cAAIA,eAAe,GAAG,CAAtB,EAAyB;AACvBrmB,4BAAM,CAACC,GAAP,iCAAyComB,eAAzC;AACAA,2BAAe,GAAGuX,OAAO,GAAGr5B,QAAV,GAAqB8hB,eAAvC;AACD;;AACDrmB,0BAAM,CAACC,GAAP,mEAA2EomB,eAA3E;AACA,eAAK8d,aAAL,GAAqB9d,eAArB;AACD,SAPD,MAOO;AACL;AACA,cAAI8U,UAAU,CAAClV,IAAf,EAAqB;AACnB,iBAAKke,aAAL,GAAqB,KAAKE,mBAAL,CAAyBzG,OAAzB,EAAkCzC,UAAlC,CAArB;AACAn7B,4BAAM,CAACC,GAAP,iCAAyC,KAAKkkC,aAA9C;AACD,WAHD,MAGO;AACL,iBAAKA,aAAL,GAAqB,CAArB;AACD;AACF;;AACD,aAAKrE,eAAL,GAAuB,KAAKqE,aAA5B;AACD;;AACD,WAAKD,gBAAL,GAAwB,KAAKC,aAA7B;AACD,KA5DkB,CA6DnB;;;AACA,QAAI,KAAK5vB,KAAL,KAAemuB,KAAK,CAACW,aAAzB,EAAwC;AACtC,WAAK9uB,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACD,KAhEkB,CAkEnB;;;AACA,SAAKb,IAAL;AACD,G;;SAED4H,W,GAAA,uBAAe;AACb,QAAI,KAAKr1B,KAAL,KAAemuB,KAAK,CAACjhB,WAAzB,EAAsC;AACpC,WAAKlN,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACA,WAAKb,IAAL;AACD;AACF,G;;SAED1L,Y,GAAA,sBAAc18B,IAAd,EAAoB;AAAA,QACV6pC,WADU,GAC0B,IAD1B,CACVA,WADU;AAAA,QACG1hB,GADH,GAC0B,IAD1B,CACGA,GADH;AAAA,QACQ6H,MADR,GAC0B,IAD1B,CACQA,MADR;AAAA,QACgBe,KADhB,GAC0B,IAD1B,CACgBA,KADhB;AAElB,QAAMkf,UAAU,GAAGjwC,IAAI,CAAC+W,IAAxB;;AACA,QAAI,KAAK4D,KAAL,KAAemuB,KAAK,CAAC1hB,YAArB,IACAyiB,WADA,IAEAoG,UAAU,CAAC9oC,IAAX,KAAoB,MAFpB,IAGA8oC,UAAU,CAACjlB,KAAX,KAAqB6e,WAAW,CAAC7e,KAHjC,IAIAilB,UAAU,CAACnlB,EAAX,KAAkB+e,WAAW,CAAC/e,EAJlC,EAIsC;AACpC,UAAM7N,KAAK,GAAGjd,IAAI,CAACid,KAAnB;AACA,UAAMizB,YAAY,GAAGlgB,MAAM,CAAC6Z,WAAW,CAAC7e,KAAb,CAA3B;AACA,UAAM1jB,OAAO,GAAG4oC,YAAY,CAAC5oC,OAA7B,CAHoC,CAIpC;AACA;AACA;;AACA,WAAKq1B,WAAL,GAAmB,KAAnB;AACA,WAAK1f,KAAL,GAAaA,KAAb;AAEA7W,sBAAM,CAACC,GAAP,aAAqBwjC,WAAW,CAAC/e,EAAjC,aAA2CxjB,OAAO,CAACklB,OAAnD,UAA+DllB,OAAO,CAAC6kB,KAAvE,gBAAuF0d,WAAW,CAAC7e,KAAnG;;AACA,UAAIilB,UAAU,CAACtT,WAAX,IAA0BxU,GAAG,CAACmjB,aAAlC,EAAiD;AAC/C;AACA,aAAK3wB,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACA,aAAKmC,kBAAL,GAA0B,KAA1B;AACAnuB,aAAK,CAACwa,OAAN,GAAgBxa,KAAK,CAACkzB,SAAN,GAAkB/c,MAAM,CAAC9W,WAAP,CAAmBD,GAAnB,EAAlC;AACA8L,WAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAACugB,aAAlB,EAAiC;AAAEvK,eAAK,EAAEA,KAAT;AAAgBlG,cAAI,EAAE8yB,WAAtB;AAAmC/+B,YAAE,EAAE;AAAvC,SAAjC;AACA,aAAKs9B,IAAL;AACD,OAPD,MAOO,IAAI6H,UAAU,CAACnlB,EAAX,KAAkB,aAAtB,EAAqC;AAC1C,aAAKnQ,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACAhsB,aAAK,CAACwa,OAAN,GAAgBxa,KAAK,CAACkzB,SAAN,GAAkB/c,MAAM,CAAC9W,WAAP,CAAmBD,GAAnB,EAAlC;AACA/U,eAAO,CAACmD,WAAR,CAAoBzK,IAApB,GAA2BA,IAAI,CAACw5B,OAAhC;AACArR,WAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAACugB,aAAlB,EAAiC;AAAEvK,eAAK,EAAEA,KAAT;AAAgBlG,cAAI,EAAE8yB,WAAtB;AAAmC/+B,YAAE,EAAE;AAAvC,SAAjC;AACA,aAAKs9B,IAAL;AACD,OANM,MAMA;AACLhiC,wBAAM,CAACC,GAAP,cAAsBwjC,WAAW,CAAC/e,EAAlC,aAA4CxjB,OAAO,CAACklB,OAApD,UAAgEllB,OAAO,CAAC6kB,KAAxE,gBAAwF0d,WAAW,CAAC7e,KAApG,aAAiH6e,WAAW,CAAClf,EAA7H;AACA,aAAKhQ,KAAL,GAAamuB,KAAK,CAACO,OAAnB;AACA,aAAK+G,gBAAL,GAAwB,IAAxB;AACA,aAAKC,QAAL,GAAgB,KAAhB,CAJK,CAML;AACA;;AACA,YAAIJ,UAAU,CAACtT,WAAf,EAA4B;AAC1BsT,oBAAU,CAACtT,WAAX,GAAyB,KAAzB;AACA,eAAKgJ,eAAL,CAAqBjJ,YAArB,CAAkC;AAChC3lB,gBAAI,EAAEk5B;AAD0B,WAAlC;AAGD,SAbI,CAeL;;;AACA,YAAMtkC,kBAAkB,GAAG,EAAEolB,KAAK,IAAIA,KAAK,CAACiV,OAAjB,MAA8B1+B,OAAO,CAAC85B,QAAR,IAAoB,CAAC95B,OAAO,CAAC+kB,IAA3D,CAA3B;AACA,YAAMikB,eAAe,GAAGhpC,OAAO,CAACmD,WAAR,GAAsBnD,OAAO,CAACmD,WAAR,CAAoBzK,IAA1C,GAAiD,EAAzE;;AACA,YAAM4H,UAAU,GAAG,KAAK2oC,cAAL,CAAoBL,YAApB,CAAnB,CAlBK,CAoBL;;;AACA,YAAMxzB,OAAO,GAAG,KAAKA,OAAL,GAAe,KAAKA,OAAL,IAAgB,IAAIsiB,aAAJ,CAAY,KAAK7W,GAAjB,EAAsB,MAAtB,CAA/C;AACAzL,eAAO,CAACtS,IAAR,CACEpK,IAAI,CAACw5B,OADP,EAEE8W,eAFF,EAGE1oC,UAHF,EAIEsoC,YAAY,CAACxlC,UAJf,EAKEm/B,WALF,EAMEviC,OAAO,CAACqlB,aANV,EAOEhhB,kBAPF;AASD;AACF;;AACD,SAAKw/B,aAAL,GAAqB,CAArB;AACD,G;;SAEDqF,wB,GAAA,kCAA0BxwC,IAA1B,EAAgC;AAC9B,QAAM6pC,WAAW,GAAG,KAAKA,WAAzB;AACA,QAAM4G,OAAO,GAAGzwC,IAAI,CAAC+W,IAArB;;AAEA,QAAI8yB,WAAW,IACX7pC,IAAI,CAAC8K,EAAL,KAAY,MADZ,IAEA2lC,OAAO,CAAC3lB,EAAR,KAAe+e,WAAW,CAAC/e,EAF3B,IAGA2lB,OAAO,CAACzlB,KAAR,KAAkB6e,WAAW,CAAC7e,KAH9B,IAIA,KAAKrQ,KAAL,KAAemuB,KAAK,CAACO,OAJzB,EAIkC;AAChC,UAAI1nB,MAAM,GAAG3hB,IAAI,CAAC2hB,MAAlB;AAAA,UAA0B+uB,SAA1B;AAAA,UAAqCpnC,KAArC,CADgC,CAGhC;;AACA,UAAIqY,MAAM,CAACjP,KAAP,IAAgB,KAAKw4B,QAAzB,EAAmC;AACjC,eAAOvpB,MAAM,CAACjP,KAAd;AACD,OAN+B,CAQhC;;;AACApJ,WAAK,GAAGqY,MAAM,CAACjP,KAAf;;AACA,UAAIpJ,KAAJ,EAAW;AACT,YAAI1B,UAAU,GAAG,KAAKooB,MAAL,CAAY,KAAKhF,KAAjB,EAAwBpjB,UAAzC;AAAA,YACE+oC,EAAE,GAAGzoC,SAAS,CAACD,SAAV,CAAoBE,WAApB,EADP;;AAEA,YAAIP,UAAU,IAAI,KAAKmjC,cAAvB,EAAuC;AACrC3kC,0BAAM,CAACC,GAAP,CAAW,+BAAX;;AACA,cAAIuB,UAAU,CAACa,OAAX,CAAmB,WAAnB,MAAoC,CAAC,CAAzC,EAA4C;AAC1Cb,sBAAU,GAAG,WAAb;AACD,WAFD,MAEO;AACLA,sBAAU,GAAG,WAAb;AACD;AACF,SAVQ,CAWT;AACA;AACA;AACA;;;AACA,YAAI,KAAK+nC,gBAAT,EAA2B;AACzB;AACA,cAAIrmC,KAAK,CAACsnC,QAAN,CAAejoC,YAAf,KAAgC,CAAhC,IACF;AACAgoC,YAAE,CAACloC,OAAH,CAAW,SAAX,MAA0B,CAAC,CAF7B,EAEgC;AAC9Bb,sBAAU,GAAG,WAAb;AACD;AACF,SAtBQ,CAuBT;;;AACA,YAAI+oC,EAAE,CAACloC,OAAH,CAAW,SAAX,MAA0B,CAAC,CAA3B,IAAgCa,KAAK,CAACuB,SAAN,KAAoB,YAAxD,EAAsE;AAAE;AACtEjD,oBAAU,GAAG,WAAb;AACAxB,0BAAM,CAACC,GAAP,oCAA4CuB,UAA5C;AACD;;AACD0B,aAAK,CAACunC,UAAN,GAAmBjpC,UAAnB;AACA0B,aAAK,CAACwB,EAAN,GAAW9K,IAAI,CAAC8K,EAAhB;AACD;;AACDxB,WAAK,GAAGqY,MAAM,CAAClP,KAAf;;AACA,UAAInJ,KAAJ,EAAW;AACTA,aAAK,CAACunC,UAAN,GAAmB,KAAK7gB,MAAL,CAAY,KAAKhF,KAAjB,EAAwBtgB,UAA3C;AACApB,aAAK,CAACwB,EAAN,GAAW9K,IAAI,CAAC8K,EAAhB;AACD;;AACD,WAAKqd,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACwe,aAAvB,EAAsC9D,MAAtC,EA9CgC,CA+ChC;;AACA,WAAK+uB,SAAL,IAAkB/uB,MAAlB,EAA0B;AACxBrY,aAAK,GAAGqY,MAAM,CAAC+uB,SAAD,CAAd;AACAtqC,wBAAM,CAACC,GAAP,iBAAyBqqC,SAAzB,mBAAgDpnC,KAAK,CAACuB,SAAtD,+BAAyFvB,KAAK,CAACunC,UAA/F,SAA6GvnC,KAAK,CAACV,KAAnH;AACA,YAAI6B,WAAW,GAAGnB,KAAK,CAACmB,WAAxB;;AACA,YAAIA,WAAJ,EAAiB;AACf,eAAK4lC,QAAL,GAAgB,IAAhB,CADe,CAEf;;AACA,eAAKD,gBAAL,GAAwB,IAAxB;AACA,eAAKjoB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAAC0e,gBAAvB,EAAyC;AAAExe,gBAAI,EAAEupC,SAAR;AAAmB1wC,gBAAI,EAAEyK,WAAzB;AAAsCqmC,kBAAM,EAAE,MAA9C;AAAsDC,mBAAO,EAAE;AAA/D,WAAzC;AACD;AACF,OA1D+B,CA2DhC;;;AACA,WAAK3I,IAAL;AACD;AACF,G;;SAED4I,iB,GAAA,2BAAmBhxC,IAAnB,EAAyB;AAAA;;AACvB,QAAM6pC,WAAW,GAAG,KAAKA,WAAzB;AACA,QAAM4G,OAAO,GAAGzwC,IAAI,CAAC+W,IAArB;;AACA,QAAI8yB,WAAW,IACX7pC,IAAI,CAAC8K,EAAL,KAAY,MADZ,IAEA2lC,OAAO,CAAC3lB,EAAR,KAAe+e,WAAW,CAAC/e,EAF3B,IAGA2lB,OAAO,CAACzlB,KAAR,KAAkB6e,WAAW,CAAC7e,KAH9B,IAIA,EAAEhrB,IAAI,CAACmH,IAAL,KAAc,OAAd,IAAyB,KAAK+jC,QAAhC,CAJA,IAI6C;AAC7C,SAAKvwB,KAAL,KAAemuB,KAAK,CAACO,OALzB,EAKkC;AAChC,UAAIre,KAAK,GAAG,KAAKgF,MAAL,CAAY,KAAKhF,KAAjB,CAAZ;AAAA,UACEjU,IAAI,GAAG8yB,WADT;;AAEA,UAAI,CAAC,0CAAgB7pC,IAAI,CAACm7B,MAArB,CAAL,EAAmC;AACjCn7B,YAAI,CAACm7B,MAAL,GAAcn7B,IAAI,CAAC+b,QAAL,GAAgB8tB,WAAW,CAACl/B,QAA1C;AACA3K,YAAI,CAACghC,MAAL,GAAchhC,IAAI,CAACgc,QAAL,GAAgB6tB,WAAW,CAACl/B,QAA1C;AACD;;AAED,UAAI3K,IAAI,CAACic,QAAL,KAAkB,IAAtB,EAA4B;AAC1BlF,YAAI,CAAC0U,mBAAL,CAAyB3B,qBAAqB,CAACM,KAA/C;AACD;;AAED,UAAIpqB,IAAI,CAACkc,QAAL,KAAkB,IAAtB,EAA4B;AAC1BnF,YAAI,CAAC0U,mBAAL,CAAyB3B,qBAAqB,CAACO,KAA/C;AACD;;AAEDjkB,sBAAM,CAACC,GAAP,aAAqBrG,IAAI,CAACmH,IAA1B,cAAuCnH,IAAI,CAAC+b,QAAL,CAAcgnB,OAAd,CAAsB,CAAtB,CAAvC,SAAmE/iC,IAAI,CAACm7B,MAAL,CAAY4H,OAAZ,CAAoB,CAApB,CAAnE,eAAmG/iC,IAAI,CAACgc,QAAL,CAAc+mB,OAAd,CAAsB,CAAtB,CAAnG,SAA+H/iC,IAAI,CAACghC,MAAL,CAAY+B,OAAZ,CAAoB,CAApB,CAA/H,aAA6J/iC,IAAI,CAACmc,EAAlK,kBAAgLnc,IAAI,CAACwT,OAAL,IAAgB,CAAhM,GAhBgC,CAkBhC;;AACA,UAAIxT,IAAI,CAACmH,IAAL,KAAc,OAAlB,EAA2B;AACzB4P,YAAI,CAACvD,OAAL,GAAexT,IAAI,CAACwT,OAApB;;AACA,YAAIuD,IAAI,CAACvD,OAAT,EAAkB;AAChB,cAAI,CAACuD,IAAI,CAAC8qB,WAAV,EAAuB;AACrB,gBAAMtK,YAAY,GAAGvM,KAAK,CAAC1jB,OAA3B;;AACA,gBAAIiwB,YAAY,IAAIxgB,IAAI,CAAC+T,EAAL,KAAYyM,YAAY,CAAC/K,OAA7C,EAAsD;AACpDpmB,8BAAM,CAACgN,IAAP,CAAY,0DAAZ,EAAwE2D,IAAI,CAAC+T,EAA7E;AACD,aAFD,MAEO;AACL1kB,8BAAM,CAACgN,IAAP,CAAY,+CAAZ,EAA6D2D,IAAI,CAAC+T,EAAlE,EADK,CAEL;AACA;AACA;;AACA,mBAAK6a,eAAL,CAAqB9J,cAArB,CAAoC9kB,IAApC;AACAA,kBAAI,CAAC8qB,WAAL,GAAmB,IAAnB;AACA,mBAAKyI,gBAAL,GAAwBtqC,IAAI,CAAC+b,QAA7B;AACA,mBAAKpB,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACA,mBAAKhE,YAAL,GAAoBluB,IAApB;AACA,mBAAKqxB,IAAL;AACA;AACD;AACF,WAjBD,MAiBO;AACLhiC,4BAAM,CAACgN,IAAP,CAAY,8DAAZ,EAA4E2D,IAAI,CAAC+T,EAAjF;AACD;AACF,SArBD,MAqBO;AACL;AACA/T,cAAI,CAAC8qB,WAAL,GAAmB,KAAnB;AACD;AACF;;AAED,UAAIX,KAAK,GAAG6O,gBAAA,CAA6B/kB,KAAK,CAAC1jB,OAAnC,EAA4CyP,IAA5C,EAAkD/W,IAAI,CAAC+b,QAAvD,EAAiE/b,IAAI,CAACm7B,MAAtE,EAA8En7B,IAAI,CAACgc,QAAnF,EAA6Fhc,IAAI,CAACghC,MAAlG,CAAZ;AAAA,UACE7Y,GAAG,GAAG,KAAKA,GADb;AAEAA,SAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAACuf,iBAAlB,EAAqC;AAAElf,eAAO,EAAE0jB,KAAK,CAAC1jB,OAAjB;AAA0B0jB,aAAK,EAAE,KAAKA,KAAtC;AAA6CkW,aAAK,EAAEA,KAApD;AAA2D/5B,YAAI,EAAEnH,IAAI,CAACmH,IAAtE;AAA4E+M,aAAK,EAAElU,IAAI,CAAC+b,QAAxF;AAAkG4D,WAAG,EAAE3f,IAAI,CAACm7B;AAA5G,OAArC,EAlDgC,CAmDhC;;AACA,OAACn7B,IAAI,CAAC8b,KAAN,EAAa9b,IAAI,CAAC+e,KAAlB,EAAyBvG,OAAzB,CAAiC,UAAAjY,MAAM,EAAI;AACzC;AACA;AACA,YAAIA,MAAM,IAAIA,MAAM,CAACwC,MAAjB,IAA2B,MAAI,CAAC4X,KAAL,KAAemuB,KAAK,CAACO,OAApD,EAA6D;AAC3D,gBAAI,CAACgH,QAAL,GAAgB,IAAhB,CAD2D,CAE3D;;AACA,gBAAI,CAACD,gBAAL,GAAwB,IAAxB;AACAjoB,aAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAAC0e,gBAAlB,EAAoC;AAAExe,gBAAI,EAAEnH,IAAI,CAACmH,IAAb;AAAmBnH,gBAAI,EAAEO,MAAzB;AAAiCuwC,kBAAM,EAAE,MAAzC;AAAiDC,mBAAO,EAAE;AAA1D,WAApC;AACD;AACF,OATD,EApDgC,CA8DhC;;AACA,WAAK3I,IAAL;AACD;AACF,G;;SAED6I,Y,GAAA,sBAAcjxC,IAAd,EAAoB;AAClB,QAAM6pC,WAAW,GAAG,KAAKA,WAAzB;AACA,QAAM4G,OAAO,GAAGzwC,IAAI,CAAC+W,IAArB;;AACA,QAAI8yB,WAAW,IACX7pC,IAAI,CAAC8K,EAAL,KAAY,MADZ,IAEA2lC,OAAO,CAAC3lB,EAAR,KAAe+e,WAAW,CAAC/e,EAF3B,IAGA2lB,OAAO,CAACzlB,KAAR,KAAkB6e,WAAW,CAAC7e,KAH9B,IAIA,KAAKrQ,KAAL,KAAemuB,KAAK,CAACO,OAJzB,EAIkC;AAChC,WAAKpsB,KAAL,CAAWwa,OAAX,GAAqBrE,MAAM,CAAC9W,WAAP,CAAmBD,GAAnB,EAArB;AACA,WAAK1B,KAAL,GAAamuB,KAAK,CAACQ,MAAnB;;AACA,WAAK4H,oBAAL;AACD;AACF,G;;SAEDC,qB,GAAA,+BAAuBnxC,IAAvB,EAA6B;AAC3B;AACA,QAAIkrC,QAAQ,GAAG,CAAC,CAAClrC,IAAI,CAACwgB,GAAtB;AAAA,QACEqD,OAAO,GAAG7jB,IAAI,CAAC8K,EADjB,CAF2B,CAI3B;AACA;AACA;;AACA,QAAI,CAACogC,QAAL,EAAe;AACb,UAAI,KAAKjB,WAAL,KAAqB,KAAKlZ,KAA9B,EAAqC;AACnC3qB,wBAAM,CAACC,GAAP,CAAW,+EAAX;AACA,aAAK4jC,WAAL,GAAmB,KAAKlZ,KAAxB;AACA,YAAI8Y,WAAW,GAAG,KAAKA,WAAvB,CAHmC,CAInC;;AACA,YAAIA,WAAW,CAAC3e,MAAhB,EAAwB;AACtB9kB,0BAAM,CAACC,GAAP,CAAW,0DAAX;AACAwjC,qBAAW,CAAC3e,MAAZ,CAAmBiK,KAAnB;AACD;;AACD,aAAK0U,WAAL,GAAmB,IAAnB;AACA,aAAK5E,YAAL,GAAoB,IAApB,CAVmC,CAWnC;;AACA,YAAI,KAAKvoB,OAAT,EAAkB;AAChB,eAAKA,OAAL,CAAatX,OAAb;AACA,eAAKsX,OAAL,GAAe,IAAf;AACD,SAfkC,CAgBnC;;;AACA,aAAK/B,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACD;;AACD,UAAI9gB,GAAG,GAAG,KAAKA,GAAf,CApBa,CAqBb;;AACAA,SAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAAC6e,eAAlB,EAAmC;AAAExK,mBAAW,EAAE,CAAf;AAAkByzB,iBAAS,EAAEzhB,MAAM,CAACghB,iBAApC;AAAuDnnC,YAAI,EAAE;AAA7D,OAAnC;AACAghB,SAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAAC2f,oBAAlB,EAAwC;AAAE9b,UAAE,EAAE+Y;AAAN,OAAxC;AACA,WAAKqnB,QAAL,GAAgB,KAAhB;AACD;AACF,G;;SAEDkG,oB,GAAA,8BAAsBpxC,IAAtB,EAA4B;AAC1B,QAAI6jB,OAAO,GAAG7jB,IAAI,CAAC8K,EAAnB;AAAA,QACEogC,QAAQ,GAAG,CAAC,CAAC,KAAK/iB,GAAL,CAAS8O,WAAT,CAAqBpT,OAArB,EAA8BrD,GAD7C;;AAEA,QAAI0qB,QAAJ,EAAc;AACZ,UAAImG,WAAW,GAAG,KAAKA,WAAvB,CADY,CAEZ;;AACA,UAAIA,WAAW,IAAI,KAAKpH,WAAL,KAAqBoH,WAAxC,EAAqD;AACnDjrC,wBAAM,CAACC,GAAP,CAAW,oFAAX;AACA,aAAK4jC,WAAL,GAAmBoH,WAAnB;AACD;AACF;;AACD,SAAKnG,QAAL,GAAgBA,QAAhB;AACA,SAAK9C,IAAL;AACD,G;;SAEDkJ,e,GAAA,yBAAiBtxC,IAAjB,EAAuB;AACrB,QAAI2hB,MAAM,GAAG3hB,IAAI,CAAC2hB,MAAlB;AAAA,QAA0B4vB,UAA1B;AAAA,QAAsCrxC,IAAtC;AAAA,QAA4CsxC,SAAS,GAAG,KAAxD;;AACA,SAAK,IAAIrqC,IAAT,IAAiBwa,MAAjB,EAAyB;AACvB,UAAIrY,KAAK,GAAGqY,MAAM,CAACxa,IAAD,CAAlB;;AACA,UAAImC,KAAK,CAACwB,EAAN,KAAa,MAAjB,EAAyB;AACvB5K,YAAI,GAAGiH,IAAP;AACAoqC,kBAAU,GAAGjoC,KAAb,CAFuB,CAGvB;;AACA,YAAInC,IAAI,KAAK,OAAb,EAAsB;AACpB,eAAKkqC,WAAL,GAAmB1vB,MAAM,CAACxa,IAAD,CAAN,CAAa5G,MAAhC;AACD;AACF,OAPD,MAOO;AACLixC,iBAAS,GAAG,IAAZ;AACD;AACF;;AACD,QAAIA,SAAS,IAAID,UAAjB,EAA6B;AAC3BnrC,sBAAM,CAACC,GAAP,iCAAyCnG,IAAzC;AACA,WAAK+pC,WAAL,GAAmBsH,UAAU,CAAChxC,MAA9B;AACD,KAHD,MAGO;AACL,WAAK0pC,WAAL,GAAmB,KAAKlZ,KAAxB;AACD;AACF,G;;SAED6L,gB,GAAA,0BAAkB58B,IAAlB,EAAwB;AACtB,QAAIA,IAAI,CAAC8wC,MAAL,KAAgB,MAApB,EAA4B;AAC1B,UAAMn2B,KAAK,GAAG,KAAKA,KAAnB;;AACA,UAAIA,KAAK,KAAKmuB,KAAK,CAACO,OAAhB,IAA2B1uB,KAAK,KAAKmuB,KAAK,CAACQ,MAA/C,EAAuD;AACrD;AACA,aAAK8G,gBAAL,GAAyBpwC,IAAI,CAACyxC,OAAL,GAAe,CAAxC;;AACA,aAAKP,oBAAL;AACD;AACF;AACF,G;;SAEDA,oB,GAAA,gCAAwB;AACtB;AACA,QAAI,KAAKv2B,KAAL,KAAemuB,KAAK,CAACQ,MAArB,KAAgC,CAAC,KAAK+G,QAAN,IAAkB,CAAC,KAAKD,gBAAxD,CAAJ,EAA+E;AAC7E,UAAMr5B,IAAI,GAAG,KAAK8yB,WAAlB;;AACA,UAAI9yB,IAAJ,EAAU;AACR,YAAMga,KAAK,GAAG,KAAKkZ,WAAL,GAAmB,KAAKA,WAAxB,GAAsC,KAAKlZ,KAAzD;AACA3qB,wBAAM,CAACC,GAAP,sBAA8Bw8B,WAAU,CAACppB,QAAX,CAAoBsX,KAAK,CAACmK,QAA1B,CAA9B;AACA,aAAK+J,YAAL,GAAoBluB,IAApB;AACA,YAAMkG,KAAK,GAAG,KAAKA,KAAnB;AACAA,aAAK,CAACkzB,SAAN,GAAkB/c,MAAM,CAAC9W,WAAP,CAAmBD,GAAnB,EAAlB,CALQ,CAMR;;AACA,aAAKyyB,YAAL,GAAoBlhC,IAAI,CAAC6J,KAAL,CAAW,IAAIwF,KAAK,CAACy0B,KAAV,IAAmBz0B,KAAK,CAACkzB,SAAN,GAAkBlzB,KAAK,CAAC00B,MAA3C,CAAX,CAApB;AACA,aAAKxpB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACugB,aAAvB,EAAsC;AAAEvK,eAAK,EAAEA,KAAT;AAAgBlG,cAAI,EAAEA,IAAtB;AAA4BjM,YAAE,EAAE;AAAhC,SAAtC;AACA,aAAK6P,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACD;;AACD,WAAKb,IAAL;AACD;AACF,G;;SAEDhS,O,GAAA,iBAASp2B,IAAT,EAAe;AACb,QAAI+W,IAAI,GAAG/W,IAAI,CAAC+W,IAAL,IAAa,KAAK8yB,WAA7B,CADa,CAEb;;AACA,QAAI9yB,IAAI,IAAIA,IAAI,CAAC5P,IAAL,KAAc,MAA1B,EAAkC;AAChC;AACD,KALY,CAOb;;;AACA,QAAIyqC,aAAa,GAAG,CAAC,CAAC,KAAK7gB,KAAP,IAAgB0M,YAAY,CAACC,UAAb,CAAwB,KAAK3M,KAA7B,EAAoC,KAAKA,KAAL,CAAW6N,WAA/C,CAAhB,IAA+EnB,YAAY,CAACC,UAAb,CAAwB,KAAK3M,KAA7B,EAAoC,KAAKA,KAAL,CAAW6N,WAAX,GAAyB,GAA7D,CAAnG;;AAEA,YAAQ5+B,IAAI,CAACsH,OAAb;AACA,WAAKC,sBAAY,CAACkyB,eAAlB;AACA,WAAKlyB,sBAAY,CAACmyB,iBAAlB;AACA,WAAKnyB,sBAAY,CAACyyB,cAAlB;AACA,WAAKzyB,sBAAY,CAAC0yB,gBAAlB;AACE,YAAI,CAACj6B,IAAI,CAACyH,KAAV,EAAiB;AACf;AACA,cAAK,KAAK0jC,aAAL,GAAqB,CAAtB,IAA4B,KAAKzlC,MAAL,CAAYmsC,mBAA5C,EAAiE;AAC/D;AACA,gBAAIC,KAAK,GAAGlkC,IAAI,CAACC,GAAL,CAASD,IAAI,CAAC2T,GAAL,CAAS,CAAT,EAAY,KAAK4pB,aAAjB,IAAkC,KAAKzlC,MAAL,CAAYq0B,qBAAvD,EAA8E,KAAKr0B,MAAL,CAAY2zB,0BAA1F,CAAZ;AACAjzB,4BAAM,CAACgN,IAAP,qDAA8D0+B,KAA9D;AACA,iBAAKrG,SAAL,GAAiBrY,MAAM,CAAC9W,WAAP,CAAmBD,GAAnB,KAA2By1B,KAA5C,CAJ+D,CAK/D;AACA;AACA;;AACA,gBAAI,CAAC,KAAKzH,cAAV,EAA0B;AACxB,mBAAKe,kBAAL,GAA0B,KAA1B;AACA,mBAAKd,gBAAL,GAAwB,KAAKC,aAA7B;AACD;;AACD,iBAAKY,aAAL;AACA,iBAAKxwB,KAAL,GAAamuB,KAAK,CAACK,0BAAnB;AACD,WAdD,MAcO;AACL/iC,4BAAM,CAACU,KAAP,uBAAiC9G,IAAI,CAACsH,OAAtC,kDADK,CAEL;;AACAtH,gBAAI,CAACyH,KAAL,GAAa,IAAb;AACA,iBAAKkT,KAAL,GAAamuB,KAAK,CAAC5hC,KAAnB;AACD;AACF;;AACD;;AACF,WAAKK,sBAAY,CAAC+wB,gBAAlB;AACA,WAAK/wB,sBAAY,CAAC8wB,kBAAlB;AACE,YAAI,KAAK1d,KAAL,KAAemuB,KAAK,CAAC5hC,KAAzB,EAAgC;AAC9B,cAAIlH,IAAI,CAACyH,KAAT,EAAgB;AACd;AACA,iBAAKkT,KAAL,GAAamuB,KAAK,CAAC5hC,KAAnB;AACAd,4BAAM,CAACgN,IAAP,wBAAiCpT,IAAI,CAACsH,OAAtC,mBAA2D,KAAKqT,KAAhE;AACD,WAJD,MAIO;AACL;AACA,gBAAI,CAAC3a,IAAI,CAAC+xC,UAAN,IAAoB,KAAKp3B,KAAL,KAAemuB,KAAK,CAACW,aAA7C,EAA4D;AAC1D,mBAAK9uB,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACD;AACF;AACF;;AACD;;AACF,WAAK1hC,sBAAY,CAACyqC,iBAAlB;AACE;AACA,YAAIhyC,IAAI,CAAC8wC,MAAL,KAAgB,MAAhB,KAA2B,KAAKn2B,KAAL,KAAemuB,KAAK,CAACO,OAArB,IAAgC,KAAK1uB,KAAL,KAAemuB,KAAK,CAACQ,MAAhF,CAAJ,EAA6F;AAC3F;AACA,cAAIsI,aAAJ,EAAmB;AACjB,iBAAKhE,sBAAL,CAA4B,KAAKloC,MAAL,CAAYwmC,eAAxC;;AACA,iBAAKvxB,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACD,WAHD,MAGO;AACL;AACA;AACA;AACA7iC,4BAAM,CAACgN,IAAP,CAAY,4EAAZ;AACA,iBAAKy2B,WAAL,GAAmB,IAAnB,CALK,CAML;;AACA,iBAAKwE,eAAL,CAAqB,CAArB,EAAwB/gB,MAAM,CAACghB,iBAA/B;AACD;AACF;;AACD;;AACF;AACE;AA/DF;AAiED,G;;SAEDV,sB,GAAA,gCAAwBqE,SAAxB,EAAmC;AACjC,QAAIvsC,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAIA,MAAM,CAACymC,kBAAP,IAA6B8F,SAAjC,EAA4C;AAC1C;AACAvsC,YAAM,CAACymC,kBAAP,IAA6B,CAA7B;AACA/lC,sBAAM,CAACgN,IAAP,uCAAgD1N,MAAM,CAACymC,kBAAvD;AACA,aAAO,IAAP;AACD;;AACD,WAAO,KAAP;AACD;AAED;;;;;;SAIAT,Y,GAAA,wBAAgB;AAAA,QACN3a,KADM,GACI,IADJ,CACNA,KADM;;AAEd,QAAI,CAACA,KAAD,IAAUA,KAAK,CAACic,UAAN,KAAqB,CAAnC,EAAsC;AACpC;AACA;AACD;;AAED,QAAM/C,WAAW,GAAG,KAAKA,WAAL,GAAmB,KAAKA,WAAxB,GAAsClZ,KAA1D;AACA,QAAMmK,QAAQ,GAAG+O,WAAW,CAAC/O,QAA7B;;AAEA,QAAI,CAAC,KAAKmP,cAAN,IAAwBnP,QAAQ,CAACn4B,MAArC,EAA6C;AAC3C,WAAKsnC,cAAL,GAAsB,IAAtB;;AACA,WAAK6H,eAAL;AACD,KAHD,MAGO,IAAI,KAAKhE,eAAT,EAA0B;AAC/B,WAAKK,uBAAL;AACD,KAFM,MAEA;AACL,WAAKtD,aAAL,CAAmBhF,IAAnB,CAAwB,KAAKC,eAA7B,EAA8ChL,QAA9C;AACD;AACF,G;;SAEDiX,0B,GAAA,sCAA8B;AAC5B,SAAKx3B,KAAL,GAAamuB,KAAK,CAACG,IAAnB,CAD4B,CAE5B;AACA;;AACA,QAAI,CAAC,KAAKoB,cAAV,EAA0B;AACxB,WAAKe,kBAAL,GAA0B,KAA1B;AACA,WAAKd,gBAAL,GAAwB,KAAKC,aAA7B;AACD;;AACD,SAAKnC,IAAL;AACD,G;;SAEDgK,e,GAAA,2BAAmB;AACjB;;;AAGA,QAAMrhB,KAAK,GAAG,KAAKkZ,WAAL,GAAmB,KAAKA,WAAxB,GAAsC,KAAKlZ,KAAzD;;AACA,QAAIA,KAAJ,EAAW;AACT;AACA,WAAK4U,eAAL,CAAqBtK,sBAArB,CAA4CvR,qBAAqB,CAACO,KAAlE,EAAyE0G,KAAK,CAACmK,QAA/E;AACD,KARgB,CASjB;;;AACA,SAAKvgB,KAAL,GAAamuB,KAAK,CAACG,IAAnB,CAViB,CAWjB;;AACA,SAAKhE,YAAL,GAAoB,IAApB;AACD,G;;SAEDoN,c,GAAA,0BAAkB;AAChB,SAAKtH,cAAL,GAAsB,CAAC,KAAKA,cAA5B;AACD;AACD;;;;;;SAIAmH,e,GAAA,2BAAmB;AAAA,QACTnhB,KADS,GACC,IADD,CACTA,KADS;AAEjB,QAAM6N,WAAW,GAAG7N,KAAK,CAAC6N,WAA1B,CAFiB,CAGjB;AACA;;AACA,QAAM2L,aAAa,GAAGxZ,KAAK,CAACiV,OAAN,GAAgBpH,WAAhB,GAA8B,KAAK2L,aAAzD,CALiB,CAMjB;;AACA,QAAI3L,WAAW,KAAK2L,aAAhB,IAAiCA,aAAa,IAAI,CAAtD,EAAyD;AACvD;AACAnkC,sBAAM,CAACC,GAAP,oEAA4EkkC,aAA5E,2BAA+G3L,WAA/G;AACA7N,WAAK,CAAC6N,WAAN,GAAoB2L,aAApB;AACD;AACF,G;;SAEDgG,c,GAAA,wBAAgBL,YAAhB,EAA8B;AAC5B,QAAItoC,UAAU,GAAG,KAAKlC,MAAL,CAAY4sC,iBAAZ,IAAiCpC,YAAY,CAACtoC,UAA/D;;AACA,QAAI,KAAKmjC,cAAT,EAAyB;AACvB3kC,sBAAM,CAACC,GAAP,CAAW,+BAAX;;AACA,UAAIuB,UAAJ,EAAgB;AACd,YAAIA,UAAU,CAACa,OAAX,CAAmB,WAAnB,MAAoC,CAAC,CAAzC,EAA4C;AAC1Cb,oBAAU,GAAG,WAAb;AACD,SAFD,MAEO;AACLA,oBAAU,GAAG,WAAb;AACD;AACF;AACF;;AAED,WAAOA,UAAP;AACD,G;;;;sBA33BU2qC,S,EAAW;AACpB,UAAI,KAAK53B,KAAL,KAAe43B,SAAnB,EAA8B;AAC5B,YAAMC,aAAa,GAAG,KAAK73B,KAA3B;AACA,aAAKqwB,MAAL,GAAcuH,SAAd;AACAnsC,wBAAM,CAACC,GAAP,8BAAsCmsC,aAAtC,UAAwDD,SAAxD;AACA,aAAKpqB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAAC8gB,uBAAvB,EAAgD;AAAEyqB,uBAAa,EAAbA,aAAF;AAAiBD,mBAAS,EAATA;AAAjB,SAAhD;AACD;AACF,K;wBAEY;AACX,aAAO,KAAKvH,MAAZ;AACD;;;wBAMmB;AAClB,UAAIja,KAAK,GAAG,KAAKA,KAAjB;;AACA,UAAIA,KAAJ,EAAW;AACT,YAAMha,IAAI,GAAG,KAAK8jB,eAAL,CAAqB9J,KAAK,CAAC6N,WAA3B,CAAb;;AACA,YAAI7nB,IAAJ,EAAU;AACR,iBAAOA,IAAI,CAACiU,KAAZ;AACD;AACF;;AACD,aAAO,CAAC,CAAR;AACD;;;wBAEuB;AACtB,UAAI+F,KAAK,GAAG,KAAKA,KAAjB;;AACA,UAAIA,KAAJ,EAAW;AACT;AACA,eAAO,KAAK8c,qBAAL,CAA2B,KAAKhT,eAAL,CAAqB9J,KAAK,CAAC6N,WAA3B,CAA3B,CAAP;AACD,OAHD,MAGO;AACL,eAAO,IAAP;AACD;AACF;;;wBAUgB;AACf,UAAM7nB,IAAI,GAAG,KAAK43B,gBAAlB;;AACA,UAAI53B,IAAJ,EAAU;AACR,eAAOA,IAAI,CAACiU,KAAZ;AACD,OAFD,MAEO;AACL,eAAO,CAAC,CAAR;AACD;AACF;;;wBAw0BuB;AACtB,aAAO,KAAKynB,iBAAZ;AACD,K;sBAEqBh4B,K,EAAO;AAC3B,WAAKg4B,iBAAL,GAAyBh4B,KAAzB;AACD;;;;EAhzC4BivB,2C;;AAkzChBoB,wFAAf,E;;;;;;;;ACx0CA;;;AAIA;AACA;AACA;AACA;AACA;AACA;8BAEwB1X,M;IAAhB9W,4B,2BAAAA,W;AACR,IAAIo2B,eAAJ;;IAEqBC,gC;;;;;AACnB,2BAAaxqB,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACElhB,iBAAK,CAACgf,eADR,EAEEhf,iBAAK,CAACqf,YAFR,EAGErf,iBAAK,CAAC2f,oBAHR,EAIE3f,iBAAK,CAACsgB,WAJR,EAKEtgB,iBAAK,CAACC,KALR;AAOA,UAAK0rC,OAAL,GAAe,KAAf;AACA,UAAKC,iBAAL,GAAyB,IAAzB;AACA,UAAKC,gBAAL,GAAwB,CAAC,CAAzB;AACA,UAAKC,KAAL,GAAa,IAAb;AAEAL,mBAAe,GAAG,iBAAiBnqC,IAAjB,CAAsBL,SAAS,CAACD,SAAV,CAAoBE,WAApB,EAAtB,CAAlB;AAbgB;AAcjB;;;;SAEDsgB,mB,GAAA,+BAAuB;AACrB,SAAKuqB,UAAL;AACA,SAAKF,gBAAL,GAAwB,CAAC,CAAzB;AACD,G;;SAEDE,U,GAAA,sBAAc;AACZ,QAAI,KAAKD,KAAL,KAAe,IAAnB,EAAyB;AACvBpK,kBAAY,CAAC,KAAKoK,KAAN,CAAZ;AACA,WAAKA,KAAL,GAAa,IAAb;AACD;AACF,G;;SAEDpJ,S,GAAA,qBAAa;AACX,QAAI3Z,MAAM,GAAG,KAAKijB,OAAlB;AAEA,SAAKL,OAAL,GAAe,IAAf;AACA,SAAKM,eAAL,GAAuB,CAAvB,CAJW,CAMX;;AACA,QAAIljB,MAAJ,EAAY;AACVA,YAAM,CAACxX,OAAP,CAAe,UAAAwS,KAAK,EAAI;AACtBA,aAAK,CAACmoB,SAAN,GAAkB,CAAlB;AACA,YAAM5b,YAAY,GAAGvM,KAAK,CAAC1jB,OAA3B;;AACA,YAAIiwB,YAAY,IAAIA,YAAY,CAAClL,IAAjC,EAAuC;AACrCrB,eAAK,CAAC1jB,OAAN,GAAgBjC,SAAhB;AACD;AACF,OAND;AAOD,KAfU,CAgBX;;;AACA,QAAI,KAAK0tC,KAAL,KAAe,IAAnB,EAAyB;AACvB,WAAKK,SAAL;AACD;AACF,G;;SAEDxJ,Q,GAAA,oBAAY;AACV,SAAKgJ,OAAL,GAAe,KAAf;AACD,G;;SAEDS,gB,GAAA,0BAAkBrzC,IAAlB,EAAwB;AACtB,QAAIgwB,MAAM,GAAG,EAAb;AACA,QAAIiH,WAAW,GAAG,EAAlB;AACA,QAAIqc,YAAJ;AACA,QAAIC,QAAQ,GAAG,EAAf;AACA,QAAIC,YAAY,GAAG,IAAnB;AACA,QAAIC,eAAe,GAAG,KAAtB;AACA,QAAIC,eAAe,GAAG,KAAtB,CAPsB,CAStB;;AACA1zC,QAAI,CAACgwB,MAAL,CAAYxX,OAAZ,CAAoB,UAAAwS,KAAK,EAAI;AAC3B,UAAM2oB,UAAU,GAAG3oB,KAAK,CAAC+B,KAAzB;AACA/B,WAAK,CAACmoB,SAAN,GAAkB,CAAlB;AACAnoB,WAAK,CAAC4oB,aAAN,GAAsB,KAAtB;AAEAH,qBAAe,GAAGA,eAAe,IAAI,CAAC,CAACzoB,KAAK,CAACtgB,UAA7C;AACAgpC,qBAAe,GAAGA,eAAe,IAAI,CAAC,CAAC1oB,KAAK,CAACpjB,UAA7C,CAN2B,CAQ3B;AACA;;AACA,UAAI8qC,eAAe,IAAI1nB,KAAK,CAACpjB,UAAzB,IAAuCojB,KAAK,CAACpjB,UAAN,CAAiBa,OAAjB,CAAyB,YAAzB,MAA2C,CAAC,CAAvF,EAA0F;AACxFuiB,aAAK,CAACpjB,UAAN,GAAmBvC,SAAnB;AACD;;AAEDmuC,kBAAY,GAAGD,QAAQ,CAACvoB,KAAK,CAACwF,OAAP,CAAvB,CAd2B,CAca;;AAExC,UAAI,CAACgjB,YAAL,EAAmB;AACjBxoB,aAAK,CAACxK,GAAN,GAAY,CAACwK,KAAK,CAACxK,GAAP,CAAZ;AACAwK,aAAK,CAACD,KAAN,GAAc,CAAd;AACAwoB,gBAAQ,CAACvoB,KAAK,CAACwF,OAAP,CAAR,GAA0BxF,KAA1B;AACAgF,cAAM,CAAC5lB,IAAP,CAAY4gB,KAAZ;AACD,OALD,MAKO;AACLwoB,oBAAY,CAAChzB,GAAb,CAAiBpW,IAAjB,CAAsB4gB,KAAK,CAACxK,GAA5B;AACD;;AAED,UAAImzB,UAAJ,EAAgB;AACd,YAAIA,UAAU,CAACvpB,KAAf,EAAsB;AACpBspB,yBAAe,GAAG,IAAlB;AACApT,oBAAU,CAACkT,YAAY,IAAIxoB,KAAjB,EAAwB,OAAxB,EAAiC2oB,UAAU,CAACvpB,KAA5C,CAAV;AACD;;AACD,YAAIupB,UAAU,CAACE,SAAf,EAA0B;AACxBvT,oBAAU,CAACkT,YAAY,IAAIxoB,KAAjB,EAAwB,MAAxB,EAAgC2oB,UAAU,CAACE,SAA3C,CAAV;AACD;AACF;AACF,KAlCD,EAVsB,CA8CtB;;AACA,QAAIJ,eAAe,IAAIC,eAAvB,EAAwC;AACtC1jB,YAAM,GAAGA,MAAM,CAACI,MAAP,CAAc;AAAA,YAAG1lB,UAAH,QAAGA,UAAH;AAAA,eAAoB,CAAC,CAACA,UAAtB;AAAA,OAAd,CAAT;AACD,KAjDqB,CAmDtB;;;AACAslB,UAAM,GAAGA,MAAM,CAACI,MAAP,CAAc,iBAAgC;AAAA,UAA7BxoB,UAA6B,SAA7BA,UAA6B;AAAA,UAAjB8C,UAAiB,SAAjBA,UAAiB;AACrD,aAAO,CAAC,CAAC9C,UAAD,IAAe8mB,qBAAqB,CAAC9mB,UAAD,EAAa,OAAb,CAArC,MAAgE,CAAC8C,UAAD,IAAegkB,qBAAqB,CAAChkB,UAAD,EAAa,OAAb,CAApG,CAAP;AACD,KAFQ,CAAT;;AAIA,QAAI1K,IAAI,CAACi3B,WAAT,EAAsB;AACpBA,iBAAW,GAAGj3B,IAAI,CAACi3B,WAAL,CAAiB7G,MAAjB,CAAwB,UAAA9mB,KAAK;AAAA,eAAI,CAACA,KAAK,CAAC1B,UAAP,IAAqB8mB,qBAAqB,CAACplB,KAAK,CAAC1B,UAAP,EAAmB,OAAnB,CAA9C;AAAA,OAA7B,CAAd,CADoB,CAEpB;;AACAqvB,iBAAW,CAACze,OAAZ,CAAoB,UAAClP,KAAD,EAAQgX,KAAR,EAAkB;AACpChX,aAAK,CAACwB,EAAN,GAAWwV,KAAX;AACD,OAFD;AAGD;;AAED,QAAI0P,MAAM,CAACjtB,MAAP,GAAgB,CAApB,EAAuB;AACrB;AACAuwC,kBAAY,GAAGtjB,MAAM,CAAC,CAAD,CAAN,CAAUQ,OAAzB,CAFqB,CAGrB;;AACAR,YAAM,CAACgO,IAAP,CAAY,UAACC,CAAD,EAAIplB,CAAJ;AAAA,eAAUolB,CAAC,CAACzN,OAAF,GAAY3X,CAAC,CAAC2X,OAAxB;AAAA,OAAZ;AACA,WAAKyiB,OAAL,GAAejjB,MAAf,CALqB,CAMrB;;AACA,WAAK,IAAItuB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGsuB,MAAM,CAACjtB,MAA3B,EAAmCrB,CAAC,EAApC,EAAwC;AACtC,YAAIsuB,MAAM,CAACtuB,CAAD,CAAN,CAAU8uB,OAAV,KAAsB8iB,YAA1B,EAAwC;AACtC,eAAKQ,WAAL,GAAmBpyC,CAAnB;AACA0E,0BAAM,CAACC,GAAP,sBAA8B2pB,MAAM,CAACjtB,MAArC,uCAA6EuwC,YAA7E;AACA;AACD;AACF,OAboB,CAerB;;;AACA,WAAKnrB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACif,eAAvB,EAAwC;AACtC8J,cAAM,EAANA,MADsC;AAEtCiH,mBAAW,EAAXA,WAFsC;AAGtC8c,kBAAU,EAAE,KAAKD,WAHqB;AAItC72B,aAAK,EAAEjd,IAAI,CAACid,KAJ0B;AAKtCvK,aAAK,EAAEghC,eAL+B;AAMtCjhC,aAAK,EAAEghC,eAN+B;AAOtCvI,gBAAQ,EAAEjU,WAAW,CAAC+c,IAAZ,CAAiB,UAAArxC,CAAC;AAAA,iBAAI,CAAC,CAACA,CAAC,CAAC6d,GAAR;AAAA,SAAlB;AAP4B,OAAxC;AASD,KAzBD,MAyBO;AACL,WAAK2H,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,YAAI,EAAEC,oBAAU,CAACC,WADW;AAE5BC,eAAO,EAAEC,sBAAY,CAAC0sC,kCAFM;AAG5BxsC,aAAK,EAAE,IAHqB;AAI5B+Y,WAAG,EAAE,KAAK2H,GAAL,CAAS3H,GAJc;AAK5B9Y,cAAM,EAAE;AALoB,OAA9B;AAOD;AACF,G;;SAoBDwsC,gB,GAAA,0BAAkBC,QAAlB,EAA4B;AAC1B,QAAMnkB,MAAM,GAAG,KAAKijB,OAApB;AACA,QAAM9qB,GAAG,GAAG,KAAKA,GAAjB,CAF0B,CAG1B;;AACA,QAAIgsB,QAAQ,IAAI,CAAZ,IAAiBA,QAAQ,GAAGnkB,MAAM,CAACjtB,MAAvC,EAA+C;AAC7C;AACA,WAAKiwC,UAAL;;AACA,UAAI,KAAKH,iBAAL,KAA2BsB,QAA/B,EAAyC;AACvC/tC,wBAAM,CAACC,GAAP,yBAAiC8tC,QAAjC;AACA,aAAKtB,iBAAL,GAAyBsB,QAAzB;AACA,YAAMC,eAAe,GAAGpkB,MAAM,CAACmkB,QAAD,CAA9B;AACAC,uBAAe,CAACppB,KAAhB,GAAwBmpB,QAAxB;AACAhsB,WAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAACkf,eAAlB,EAAmCiuB,eAAnC;AACD;;AACD,UAAMppB,KAAK,GAAGgF,MAAM,CAACmkB,QAAD,CAApB;AACA,UAAM5c,YAAY,GAAGvM,KAAK,CAAC1jB,OAA3B,CAX6C,CAa7C;;AACA,UAAI,CAACiwB,YAAD,IAAiBA,YAAY,CAAClL,IAAlC,EAAwC;AACtC;AACA,YAAItB,KAAK,GAAGC,KAAK,CAACD,KAAlB;AACA5C,WAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAACof,aAAlB,EAAiC;AAAE7F,aAAG,EAAEwK,KAAK,CAACxK,GAAN,CAAUuK,KAAV,CAAP;AAAyBC,eAAK,EAAEmpB,QAAhC;AAA0CrpC,YAAE,EAAEigB;AAA9C,SAAjC;AACD;AACF,KAnBD,MAmBO;AACL;AACA5C,SAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AACvBC,YAAI,EAAEC,oBAAU,CAAC8hB,WADM;AAEvB5hB,eAAO,EAAEC,sBAAY,CAAC8sC,kBAFC;AAGvBrpB,aAAK,EAAEmpB,QAHgB;AAIvB1sC,aAAK,EAAE,KAJgB;AAKvBC,cAAM,EAAE;AALe,OAAzB;AAOD;AACF,G;;SA4CD0uB,O,GAAA,iBAASp2B,IAAT,EAAe;AACb,QAAIA,IAAI,CAACyH,KAAT,EAAgB;AACd,UAAIzH,IAAI,CAACmH,IAAL,KAAcC,oBAAU,CAAC6wB,aAA7B,EAA4C;AAC1C,aAAK+a,UAAL;AACD;;AAED;AACD;;AAED,QAAIsB,UAAU,GAAG,KAAjB;AAAA,QAAwBV,aAAa,GAAG,KAAxC;AACA,QAAIW,UAAJ,CAVa,CAYb;;AACA,YAAQv0C,IAAI,CAACsH,OAAb;AACA,WAAKC,sBAAY,CAACkyB,eAAlB;AACA,WAAKlyB,sBAAY,CAACmyB,iBAAlB;AACA,WAAKnyB,sBAAY,CAACyyB,cAAlB;AACA,WAAKzyB,sBAAY,CAAC0yB,gBAAlB;AACEsa,kBAAU,GAAGv0C,IAAI,CAAC+W,IAAL,CAAUiU,KAAvB;AACA4oB,qBAAa,GAAG,IAAhB;AACA;;AACF,WAAKrsC,sBAAY,CAAC+wB,gBAAlB;AACA,WAAK/wB,sBAAY,CAAC8wB,kBAAlB;AACEkc,kBAAU,GAAGv0C,IAAI,CAAC2zB,OAAL,CAAa3I,KAA1B;AACAspB,kBAAU,GAAG,IAAb;AACA;;AACF,WAAK/sC,sBAAY,CAACitC,iBAAlB;AACED,kBAAU,GAAGv0C,IAAI,CAACgrB,KAAlB;AACAspB,kBAAU,GAAG,IAAb;AACA;AAhBF;;AAmBA,QAAIC,UAAU,KAAKlvC,SAAnB,EAA8B;AAC5B,WAAKovC,YAAL,CAAkBz0C,IAAlB,EAAwBu0C,UAAxB,EAAoCD,UAApC,EAAgDV,aAAhD;AACD;AACF;AAED;;;;;;;;;AASA;;;SACAa,Y,GAAA,sBAAcC,UAAd,EAA0BH,UAA1B,EAAsCD,UAAtC,EAAkDV,aAAlD,EAAiE;AAAA;;AAAA,QACzDluC,MADyD,GAC9C,KAAKyiB,GADyC,CACzDziB,MADyD;AAAA,QAEhDivC,YAFgD,GAE/BD,UAF+B,CAEzDptC,OAFyD;AAG/D,QAAI0jB,KAAK,GAAG,KAAKioB,OAAL,CAAasB,UAAb,CAAZ;AACA,QAAIK,eAAJ,EAAqB9C,KAArB,EAA4BjD,SAA5B;AAEA7jB,SAAK,CAACmoB,SAAN;AACAnoB,SAAK,CAAC4oB,aAAN,GAAsBA,aAAtB;;AAEA,QAAIU,UAAJ,EAAgB;AACd,UAAK,KAAKpB,eAAL,GAAuB,CAAxB,IAA8BxtC,MAAM,CAACmwB,oBAAzC,EAA+D;AAC7D;AACAic,aAAK,GAAGlkC,IAAI,CAACC,GAAL,CAASD,IAAI,CAAC2T,GAAL,CAAS,CAAT,EAAY,KAAK2xB,eAAjB,IAAoCxtC,MAAM,CAACowB,sBAApD,EAA4EpwB,MAAM,CAACqwB,2BAAnF,CAAR,CAF6D,CAG7D;;AACA,aAAKgd,KAAL,GAAalK,UAAU,CAAC;AAAA,iBAAM,MAAI,CAACuK,SAAL,EAAN;AAAA,SAAD,EAAyBtB,KAAzB,CAAvB,CAJ6D,CAK7D;;AACA4C,kBAAU,CAAC3C,UAAX,GAAwB,IAAxB;AACA,aAAKmB,eAAL;AACA9sC,wBAAM,CAACgN,IAAP,wBAAiCuhC,YAAjC,mBAA2D7C,KAA3D,oCAA+F,KAAKoB,eAApG;AACD,OATD,MASO;AACL9sC,wBAAM,CAACU,KAAP,4CAAsD6tC,YAAtD;AACA,aAAK9B,iBAAL,GAAyB,IAAzB,CAFK,CAGL;;AACA,aAAKG,UAAL,GAJK,CAKL;;AACA0B,kBAAU,CAACjtC,KAAX,GAAmB,IAAnB;AACA;AACD;AACF,KA5B8D,CA8B/D;AACA;;;AACA,QAAI6sC,UAAU,IAAIV,aAAlB,EAAiC;AAC/BgB,qBAAe,GAAG5pB,KAAK,CAACxK,GAAN,CAAUzd,MAA5B;;AAEA,UAAI6xC,eAAe,GAAG,CAAlB,IAAuB5pB,KAAK,CAACmoB,SAAN,GAAkByB,eAA7C,EAA8D;AAC5D5pB,aAAK,CAACD,KAAN,GAAc,CAACC,KAAK,CAACD,KAAN,GAAc,CAAf,IAAoB6pB,eAAlC;AACA5pB,aAAK,CAAC1jB,OAAN,GAAgBjC,SAAhB;AAEAe,wBAAM,CAACgN,IAAP,wBAAiCuhC,YAAjC,mBAA2DJ,UAA3D,wCAAwGvpB,KAAK,CAACD,KAA9G,EAJ4D,CAM5D;AACA;AACD,OARD,MAQO;AACL;AACA,YAAI,KAAK+nB,gBAAL,KAA0B,CAAC,CAA/B,EAAkC;AAChC;AACAjE,mBAAS,GAAI0F,UAAU,KAAK,CAAhB,GAAqB,KAAKtB,OAAL,CAAalwC,MAAb,GAAsB,CAA3C,GAA+CwxC,UAAU,GAAG,CAAxE;AACAnuC,0BAAM,CAACgN,IAAP,wBAAiCuhC,YAAjC,oBAA4D9F,SAA5D;AACA,eAAK1mB,GAAL,CAAS0sB,aAAT,GAAyB,KAAKhC,iBAAL,GAAyBhE,SAAlD;AACD,SALD,MAKO,IAAI+E,aAAJ,EAAmB;AACxB;AACA;AACAxtC,0BAAM,CAACgN,IAAP,wBAAiCuhC,YAAjC;AACA,eAAK9B,iBAAL,GAAyB,IAAzB;AACD;AACF;AACF;AACF,G,CAED;;;SACAnW,Y,GAAA,6BAAwB;AAAA,QAAR3lB,IAAQ,SAARA,IAAQ;;AACtB,QAAIA,IAAI,KAAK1R,SAAT,IAAsB0R,IAAI,CAAC5P,IAAL,KAAc,MAAxC,EAAgD;AAC9C,UAAM6jB,KAAK,GAAG,KAAKioB,OAAL,CAAal8B,IAAI,CAACiU,KAAlB,CAAd;;AACA,UAAIA,KAAK,KAAK3lB,SAAd,EAAyB;AACvB2lB,aAAK,CAAC4oB,aAAN,GAAsB,KAAtB;AACA5oB,aAAK,CAACmoB,SAAN,GAAkB,CAAlB;AACA,aAAKD,eAAL,GAAuB,CAAvB;AACD;AACF;AACF,G;;SAEDtD,a,GAAA,uBAAe5vC,IAAf,EAAqB;AAAA;;AAAA,QACXgrB,KADW,GACQhrB,IADR,CACXgrB,KADW;AAAA,QACJ1jB,OADI,GACQtH,IADR,CACJsH,OADI,EAEnB;;AACA,QAAI0jB,KAAK,KAAK,KAAK6nB,iBAAnB,EAAsC;AACpC;AACD;;AAED,QAAM/C,QAAQ,GAAG,KAAKmD,OAAL,CAAajoB,KAAb,CAAjB,CAPmB,CAQnB;;AACA,QAAI,CAAC8kB,QAAQ,CAAC8D,aAAd,EAA6B;AAC3B9D,cAAQ,CAACqD,SAAT,GAAqB,CAArB;AACA,WAAKD,eAAL,GAAuB,CAAvB;AACD,KAZkB,CAanB;;;AACA,QAAI5rC,OAAO,CAAC+kB,IAAZ,EAAkB;AAChB,UAAMsW,cAAc,GAAGH,qBAAqB,CAACsN,QAAQ,CAACxoC,OAAV,EAAmBA,OAAnB,EAA4BtH,IAAI,CAACid,KAAL,CAAW63B,QAAvC,CAA5C;AACA1uC,sBAAM,CAACC,GAAP,+BAAuCuH,IAAI,CAAC6J,KAAL,CAAWkrB,cAAX,CAAvC;AACA,WAAKoQ,KAAL,GAAalK,UAAU,CAAC;AAAA,eAAM,MAAI,CAACuK,SAAL,EAAN;AAAA,OAAD,EAAyBzQ,cAAzB,CAAvB;AACD,KAJD,MAIO;AACL,WAAKqQ,UAAL;AACD;AACF,G;;SAED5B,oB,GAAA,8BAAsBpxC,IAAtB,EAA4B;AAC1B,QAAM+0C,YAAY,GAAG,KAAK5sB,GAAL,CAAS8O,WAAT,CAAqBj3B,IAAI,CAAC8K,EAA1B,EAA8BkmB,OAAnD;AAEA,QAAMkf,YAAY,GAAG,KAAK/nB,GAAL,CAAS6H,MAAT,CAAgB,KAAK6iB,iBAArB,CAArB;;AACA,QAAI,CAAC3C,YAAL,EAAmB;AACjB;AACD;;AAED,QAAIA,YAAY,CAAC3P,aAAjB,EAAgC;AAC9B,UAAIxV,KAAK,GAAG,CAAC,CAAb;;AAEA,WAAK,IAAIrpB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGwuC,YAAY,CAAC3P,aAAb,CAA2Bx9B,MAA/C,EAAuDrB,CAAC,EAAxD,EAA4D;AAC1D,YAAIwuC,YAAY,CAAC3P,aAAb,CAA2B7+B,CAA3B,MAAkCqzC,YAAtC,EAAoD;AAClDhqB,eAAK,GAAGrpB,CAAR;AACA;AACD;AACF;;AAED,UAAIqpB,KAAK,KAAKmlB,YAAY,CAACnlB,KAA3B,EAAkC;AAChCmlB,oBAAY,CAACnlB,KAAb,GAAqBA,KAArB;AACA,aAAK4e,SAAL;AACD;AACF;AACF,G;;SAEDyJ,S,GAAA,qBAAa;AACXhtC,oBAAM,CAAC6R,KAAP,CAAa,mBAAb;;AAEA,QAAI,KAAK46B,iBAAL,KAA2B,IAA3B,IAAmC,KAAKD,OAA5C,EAAqD;AACnD,UAAMoC,WAAW,GAAG,KAAK/B,OAAL,CAAa,KAAKJ,iBAAlB,CAApB;;AAEA,UAAI,OAAOmC,WAAP,KAAuB,QAAvB,IACFA,WAAW,CAACx0B,GAAZ,CAAgBzd,MAAhB,GAAyB,CAD3B,EAC8B;AAC5B,YAAMioB,KAAK,GAAG,KAAK6nB,iBAAnB;AACA,YAAM/nC,EAAE,GAAGkqC,WAAW,CAACjqB,KAAvB;AACA,YAAMvK,GAAG,GAAGw0B,WAAW,CAACx0B,GAAZ,CAAgB1V,EAAhB,CAAZ;AAEA1E,wBAAM,CAACC,GAAP,kCAA0C2kB,KAA1C,qBAA+DlgB,EAA/D,EAL4B,CAO5B;AACA;;AAEA,aAAKqd,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACof,aAAvB,EAAsC;AAAE7F,aAAG,EAAHA,GAAF;AAAOwK,eAAK,EAALA,KAAP;AAAclgB,YAAE,EAAFA;AAAd,SAAtC;AACD;AACF;AACF,G;;;;wBA1Ra;AACZ,aAAO,KAAKmoC,OAAZ;AACD;;;wBAEY;AACX,aAAO,KAAKJ,iBAAZ;AACD,K;sBAEUsB,Q,EAAU;AACnB,UAAInkB,MAAM,GAAG,KAAKijB,OAAlB;;AACA,UAAIjjB,MAAJ,EAAY;AACVmkB,gBAAQ,GAAGvmC,IAAI,CAACC,GAAL,CAASsmC,QAAT,EAAmBnkB,MAAM,CAACjtB,MAAP,GAAgB,CAAnC,CAAX;;AACA,YAAI,KAAK8vC,iBAAL,KAA2BsB,QAA3B,IAAuC,CAACnkB,MAAM,CAACmkB,QAAD,CAAN,CAAiB7sC,OAA7D,EAAsE;AACpE,eAAK4sC,gBAAL,CAAsBC,QAAtB;AACD;AACF;AACF;;;wBAqCkB;AACjB,aAAO,KAAKrB,gBAAZ;AACD,K;sBAEgBqB,Q,EAAU;AACzB,WAAKrB,gBAAL,GAAwBqB,QAAxB;;AACA,UAAI,KAAKc,WAAL,KAAqB5vC,SAAzB,EAAoC;AAClC,aAAK4vC,WAAL,GAAmBd,QAAnB;AACD;;AAED,UAAIA,QAAQ,KAAK,CAAC,CAAlB,EAAqB;AACnB,aAAKnpB,KAAL,GAAampB,QAAb;AACD;AACF;;;wBAEiB;AAChB,aAAO,KAAKL,WAAZ;AACD,K;sBAEeK,Q,EAAU;AACxB,WAAKL,WAAL,GAAmBK,QAAnB;AACD;;;wBAEiB;AAChB;AACA;AACA,UAAI,KAAKc,WAAL,KAAqB5vC,SAAzB,EAAoC;AAClC,YAAI6vC,gBAAgB,GAAG,KAAK/sB,GAAL,CAASziB,MAAT,CAAgB2lC,UAAvC;;AACA,YAAI6J,gBAAgB,KAAK7vC,SAAzB,EAAoC;AAClC,iBAAO6vC,gBAAP;AACD,SAFD,MAEO;AACL,iBAAO,KAAKpB,WAAZ;AACD;AACF,OAPD,MAOO;AACL,eAAO,KAAKmB,WAAZ;AACD;AACF,K;sBAEed,Q,EAAU;AACxB,WAAKc,WAAL,GAAmBd,QAAnB;AACD;;;wBA+LoB;AACnB,UAAI,KAAKrB,gBAAL,KAA0B,CAAC,CAA/B,EAAkC;AAChC,eAAO,KAAKA,gBAAZ;AACD,OAFD,MAEO;AACL,eAAO,KAAK3qB,GAAL,CAAS0sB,aAAhB;AACD;AACF,K;sBAEkBhG,S,EAAW;AAC5B,WAAK7jB,KAAL,GAAa6jB,SAAb;;AACA,UAAI,KAAKiE,gBAAL,KAA0B,CAAC,CAA/B,EAAkC;AAChC,aAAK3qB,GAAL,CAAS0sB,aAAT,GAAyBhG,SAAzB;AACD;AACF;;;;EApc0C3mB,a;;;;;;;ACbtC,SAASitB,iBAAT,CAA4B7rC,KAA5B,EAA8C8rC,OAA9C,EAAyE;AAC9E,MAAIv3B,KAAJ;;AACA,MAAI;AACFA,SAAK,GAAG,IAAI5W,KAAJ,CAAU,UAAV,CAAR;AACD,GAFD,CAEE,OAAON,GAAP,EAAY;AACZ;AACAkX,SAAK,GAAGw3B,QAAQ,CAACC,WAAT,CAAqB,OAArB,CAAR;AACAz3B,SAAK,CAAC03B,SAAN,CAAgB,UAAhB,EAA4B,KAA5B,EAAmC,KAAnC;AACD;;AACA13B,OAAD,CAAevU,KAAf,GAAuBA,KAAvB;AACA8rC,SAAO,CAACI,aAAR,CAAsB33B,KAAtB;AACD;AAEM,SAAS43B,gBAAT,CAA2BnsC,KAA3B,EAA6C;AAClD,MAAIA,KAAK,IAAIA,KAAK,CAACosC,IAAnB,EAAyB;AACvB,WAAOpsC,KAAK,CAACosC,IAAN,CAAW3yC,MAAX,GAAoB,CAA3B,EAA8B;AAC5BuG,WAAK,CAACqsC,SAAN,CAAgBrsC,KAAK,CAACosC,IAAN,CAAW,CAAX,CAAhB;AACD;AACF;AACF;AAED;;;;;;;;;;;AAUO,SAASE,aAAT,CAAwBF,IAAxB,EAAiEja,IAAjE,EAA6F;AAClG;AACA,MAAIA,IAAI,GAAGia,IAAI,CAAC,CAAD,CAAJ,CAAQ34B,OAAnB,EAA4B;AAC1B,WAAO24B,IAAI,CAAC,CAAD,CAAX;AACD,GAJiG,CAKlG;;;AACA,MAAIja,IAAI,GAAGia,IAAI,CAACA,IAAI,CAAC3yC,MAAL,GAAc,CAAf,CAAJ,CAAsBga,OAAjC,EAA0C;AACxC,WAAO24B,IAAI,CAACA,IAAI,CAAC3yC,MAAL,GAAc,CAAf,CAAX;AACD;;AAED,MAAI8yC,IAAI,GAAG,CAAX;AACA,MAAIC,KAAK,GAAGJ,IAAI,CAAC3yC,MAAL,GAAc,CAA1B;;AAEA,SAAO8yC,IAAI,IAAIC,KAAf,EAAsB;AACpB,QAAMC,GAAG,GAAGnoC,IAAI,CAACkE,KAAL,CAAW,CAACgkC,KAAK,GAAGD,IAAT,IAAiB,CAA5B,CAAZ;;AAEA,QAAIpa,IAAI,GAAGia,IAAI,CAACK,GAAD,CAAJ,CAAUh5B,OAArB,EAA8B;AAC5B+4B,WAAK,GAAGC,GAAG,GAAG,CAAd;AACD,KAFD,MAEO,IAAIta,IAAI,GAAGia,IAAI,CAACK,GAAD,CAAJ,CAAUh5B,OAArB,EAA8B;AACnC84B,UAAI,GAAGE,GAAG,GAAG,CAAb;AACD,KAFM,MAEA;AACL;AACA,aAAOL,IAAI,CAACK,GAAD,CAAX;AACD;AACF,GAxBiG,CAyBlG;AACA;;;AACA,SAAQL,IAAI,CAACG,IAAD,CAAJ,CAAW94B,OAAX,GAAqB0e,IAAtB,GAA+BA,IAAI,GAAGia,IAAI,CAACI,KAAD,CAAJ,CAAY/4B,OAAlD,GAA6D24B,IAAI,CAACG,IAAD,CAAjE,GAA0EH,IAAI,CAACI,KAAD,CAArF;AACD,C;;;;AC5DD;;;AAIA;AACA;AACA;AACA;AACA;;IAEME,uC;;;;;AACJ,8BAAa7tB,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACElhB,iBAAK,CAACoe,cADR,EAEEpe,iBAAK,CAACqe,eAFR,EAGEre,iBAAK,CAAC0X,qBAHR,EAIE1X,iBAAK,CAACwf,wBAJR;AAOA,UAAKhS,QAAL,GAAgBpP,SAAhB;AACA,UAAK0rB,KAAL,GAAa1rB,SAAb;AATgB;AAUjB;;;;SAEDD,O,GAAA,mBAAW;AACT8iB,iBAAY,CAAC0S,SAAb,CAAuBx1B,OAAvB,CAA+B6jB,IAA/B,CAAoC,IAApC;AACD,G,CAED;;;SACAgmB,e,GAAA,yBAAiBjvC,IAAjB,EAAuB;AACrB,SAAK+wB,KAAL,GAAa/wB,IAAI,CAAC+wB,KAAlB;;AACA,QAAI,CAAC,KAAKA,KAAV,EAAiB,CAEhB;AACF,G;;SAEDwe,gB,GAAA,4BAAoB;AAClBkG,oBAAgB,CAAC,KAAKhhC,QAAN,CAAhB;AACA,SAAKA,QAAL,GAAgBpP,SAAhB;AACA,SAAK0rB,KAAL,GAAa1rB,SAAb;AACD,G;;SAED4wC,W,GAAA,qBAAaC,UAAb,EAAyB;AACvB,SAAK,IAAIx0C,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGw0C,UAAU,CAACnzC,MAA/B,EAAuCrB,CAAC,EAAxC,EAA4C;AAC1C,UAAI2U,SAAS,GAAG6/B,UAAU,CAACx0C,CAAD,CAA1B;;AACA,UAAI2U,SAAS,CAAC8/B,IAAV,KAAmB,UAAnB,IAAiC9/B,SAAS,CAAC+/B,KAAV,KAAoB,KAAzD,EAAgE;AAC9D;AACA;AACAjB,yBAAiB,CAAC9+B,SAAD,EAAY,KAAK0a,KAAjB,CAAjB;AAEA,eAAO1a,SAAP;AACD;AACF;;AACD,WAAO,KAAK0a,KAAL,CAAWslB,YAAX,CAAwB,UAAxB,EAAoC,KAApC,CAAP;AACD,G;;SAEDC,uB,GAAA,uCAAwC;AAAA,QAAb7X,SAAa,QAAbA,SAAa;;AACtC,QAAI,CAAC,KAAKhqB,QAAN,IAAkB,CAAC,KAAKA,QAAL,CAAcihC,IAAjC,IAAyC,CAAC,KAAKjhC,QAAL,CAAcihC,IAAd,CAAmB3yC,MAAjE,EAAyE;AACvE;AACD;;AACD,QAAMwzC,QAAQ,GAAGX,aAAa,CAAC,KAAKnhC,QAAL,CAAcihC,IAAf,EAAqBjX,SAArB,CAA9B;;AACA,QAAI,CAAC8X,QAAL,EAAe;AACb;AACD;;AAED,QAAIC,UAAU,GAAG,IAAjB;;AACA,WAAOA,UAAP,EAAmB;AACjB,UAAMC,GAAG,GAAG,KAAKhiC,QAAL,CAAcihC,IAAd,CAAmB,CAAnB,CAAZ;;AACA,UAAI,CAAC,KAAKjhC,QAAL,CAAcihC,IAAd,CAAmB3yC,MAApB,IAA8B0zC,GAAG,CAAC3rC,EAAJ,KAAWyrC,QAAQ,CAACzrC,EAAtD,EAA0D;AACxD0rC,kBAAU,GAAG,KAAb;AACA;AACD;;AACD,WAAK/hC,QAAL,CAAckhC,SAAd,CAAwBc,GAAxB;AACD;AACF,G;;SAEDC,qB,GAAA,+BAAuB12C,IAAvB,EAA6B;AAC3B,QAAMokB,QAAQ,GAAGpkB,IAAI,CAAC+W,IAAtB;AACA,QAAM5M,OAAO,GAAGnK,IAAI,CAACmK,OAArB,CAF2B,CAI3B;;AACA,QAAI,CAAC,KAAKsK,QAAV,EAAoB;AAClB,WAAKA,QAAL,GAAgB,KAAKwhC,WAAL,CAAiB,KAAKllB,KAAL,CAAWmlB,UAA5B,CAAhB;AACA,WAAKzhC,QAAL,CAAckiC,IAAd,GAAqB,QAArB;AACD,KAR0B,CAU3B;AACA;AACA;;;AACA,QAAIC,GAAG,GAAGxjB,MAAM,CAACyjB,aAAP,IAAwBzjB,MAAM,CAAC0jB,MAA/B,IAAyC1jB,MAAM,CAAC2jB,YAA1D;;AAEA,SAAK,IAAIr1C,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGyI,OAAO,CAACpH,MAA5B,EAAoCrB,CAAC,EAArC,EAAyC;AACvC,UAAMyd,MAAM,GAAG9T,cAAG,CAAC+T,YAAJ,CAAiBjV,OAAO,CAACzI,CAAD,CAAP,CAAW1B,IAA5B,CAAf;;AACA,UAAImf,MAAJ,EAAY;AACV,YAAMrC,SAAS,GAAG3S,OAAO,CAACzI,CAAD,CAAP,CAAW+H,GAA7B;AACA,YAAIsT,OAAO,GAAGrb,CAAC,GAAGyI,OAAO,CAACpH,MAAR,GAAiB,CAArB,GAAyBoH,OAAO,CAACzI,CAAC,GAAG,CAAL,CAAP,CAAe+H,GAAxC,GAA8C2a,QAAQ,CAAC+W,MAArE;;AAEA,YAAIre,SAAS,KAAKC,OAAlB,EAA2B;AACzB;AACAA,iBAAO,IAAI,MAAX;AACD,SAHD,MAGO,IAAID,SAAS,GAAGC,OAAhB,EAAyB;AAC9B3W,0BAAM,CAACgN,IAAP,CAAY,0FAAZ;AACA2J,iBAAO,GAAGD,SAAS,GAAG,IAAtB;AACD;;AAED,aAAK,IAAI1N,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG+P,MAAM,CAACpc,MAA3B,EAAmCqM,CAAC,EAApC,EAAwC;AACtC,cAAMrD,KAAK,GAAGoT,MAAM,CAAC/P,CAAD,CAApB,CADsC,CAEtC;;AACA,cAAI,CAAC/D,cAAG,CAACgU,gBAAJ,CAAqBtT,KAArB,CAAL,EAAkC;AAChC,gBAAM0qC,GAAG,GAAG,IAAIG,GAAJ,CAAQ95B,SAAR,EAAmBC,OAAnB,EAA4B,EAA5B,CAAZ;AACA05B,eAAG,CAACh8B,KAAJ,GAAY1O,KAAZ;AACA,iBAAK0I,QAAL,CAAcuiC,MAAd,CAAqBP,GAArB;AACD;AACF;AACF;AACF;AACF,G;;SAEDH,uB,GAAA,wCAAwC;AAAA,QAAb7X,SAAa,SAAbA,SAAa;AAAA,QAC9BhqB,QAD8B,GACjB,IADiB,CAC9BA,QAD8B;;AAEtC,QAAI,CAACA,QAAD,IAAa,CAACA,QAAQ,CAACihC,IAAvB,IAA+B,CAACjhC,QAAQ,CAACihC,IAAT,CAAc3yC,MAAlD,EAA0D;AACxD;AACD;;AACD,QAAMwzC,QAAQ,GAAGX,aAAa,CAACnhC,QAAQ,CAACihC,IAAV,EAAgBjX,SAAhB,CAA9B;;AACA,QAAI,CAAC8X,QAAL,EAAe;AACb;AACD;;AACD,WAAO9hC,QAAQ,CAACihC,IAAT,CAAc,CAAd,MAAqBa,QAA5B,EAAsC;AACpC9hC,cAAQ,CAACkhC,SAAT,CAAmBlhC,QAAQ,CAACihC,IAAT,CAAc,CAAd,CAAnB;AACD;AACF,G;;;EAvH8BxtB,a;;AA0HlB8tB,gGAAf,E;;ACpIA;AAEO,SAASiB,wBAAT,GAAiC;AACtC,MAAMC,WAAW,GAAGrY,cAAc,EAAlC;;AACA,MAAI,CAACqY,WAAL,EAAkB;AAChB,WAAO,KAAP;AACD;;AACD,MAAMC,YAAY,GAAGx5B,IAAI,CAACy5B,YAAL,IAAsBz5B,IAAD,CAAc05B,kBAAxD;AACA,MAAMzoB,eAAe,GAAGsoB,WAAW,IACjC,OAAOA,WAAW,CAACtoB,eAAnB,KAAuC,UADjB,IAEtBsoB,WAAW,CAACtoB,eAAZ,CAA4B,2CAA5B,CAFF,CANsC,CAUtC;AACA;;AACA,MAAM0oB,oBAAoB,GAAG,CAACH,YAAD,IAC1BA,YAAY,CAACvc,SAAb,IACC,OAAOuc,YAAY,CAACvc,SAAb,CAAuB2c,YAA9B,KAA+C,UADhD,IAEC,OAAOJ,YAAY,CAACvc,SAAb,CAAuB4c,MAA9B,KAAyC,UAH7C;AAIA,SAAO,CAAC,CAAC5oB,eAAF,IAAqB,CAAC,CAAC0oB,oBAA9B;AACD,C;;ACnBD;;;;;IAMMG,I;;;AAKJ;AACA,gBAAaC,QAAb,EAA+B;AAAA,SALvBC,MAKuB;AAAA,SAJvBC,SAIuB;AAAA,SAHvBC,YAGuB;AAC7B;AACA,SAAKF,MAAL,GAAcD,QAAQ,GAAG9pC,IAAI,CAACkqC,GAAL,CAASlqC,IAAI,CAACvH,GAAL,CAAS,GAAT,IAAgBqxC,QAAzB,CAAH,GAAwC,CAA9D;AACA,SAAKE,SAAL,GAAiB,CAAjB;AACA,SAAKC,YAAL,GAAoB,CAApB;AACD;;;;SAEDxtC,M,GAAA,gBAAQ0tC,MAAR,EAAwBt9B,KAAxB,EAAuC;AACrC,QAAIu9B,QAAQ,GAAGpqC,IAAI,CAAC2T,GAAL,CAAS,KAAKo2B,MAAd,EAAsBI,MAAtB,CAAf;AACA,SAAKH,SAAL,GAAiBn9B,KAAK,IAAI,IAAIu9B,QAAR,CAAL,GAAyBA,QAAQ,GAAG,KAAKJ,SAA1D;AACA,SAAKC,YAAL,IAAqBE,MAArB;AACD,G;;SAEDE,c,GAAA,0BAA0B;AACxB,WAAO,KAAKJ,YAAZ;AACD,G;;SAEDK,W,GAAA,uBAAuB;AACrB,QAAI,KAAKP,MAAT,EAAiB;AACf,UAAIQ,UAAU,GAAG,IAAIvqC,IAAI,CAAC2T,GAAL,CAAS,KAAKo2B,MAAd,EAAsB,KAAKE,YAA3B,CAArB;AACA,aAAO,KAAKD,SAAL,GAAiBO,UAAxB;AACD,KAHD,MAGO;AACL,aAAO,KAAKP,SAAZ;AACD;AACF,G;;;;;AAGYH,6CAAf,E;;ACvCA;;;;;;;AAQA;;IAEMW,+C;;;AASJ;AACA,kCAAajwB,GAAb,EAAuBkwB,IAAvB,EAAqCC,IAArC,EAAmDC,eAAnD,EAA4E;AAAA,SAT5EpwB,GAS4E;AAAA,SAPpEqwB,gBAOoE;AAAA,SANpEC,UAMoE;AAAA,SALpEC,WAKoE;AAAA,SAJpEC,KAIoE;AAAA,SAHpEC,KAGoE;AAC1E,SAAKzwB,GAAL,GAAWA,GAAX;AACA,SAAKqwB,gBAAL,GAAwBD,eAAxB;AACA,SAAKE,UAAL,GAAkB,KAAlB;AACA,SAAKC,WAAL,GAAmB,EAAnB;AACA,SAAKC,KAAL,GAAa,IAAIlB,IAAJ,CAASY,IAAT,CAAb;AACA,SAAKO,KAAL,GAAa,IAAInB,IAAJ,CAASa,IAAT,CAAb;AACD;;;;SAEDjuC,M,GAAA,gBAAQwuC,UAAR,EAA4BC,QAA5B,EAA8C;AAC5CD,cAAU,GAAGjrC,IAAI,CAACoX,GAAL,CAAS6zB,UAAT,EAAqB,KAAKH,WAA1B,CAAb;AACA,QAAIK,OAAO,GAAG,IAAID,QAAlB;AAAA,QACE;AACAE,aAAS,GAAGH,UAAU,GAAG,IAF3B;AAAA,QAGE;AACAI,kBAAc,GAAGF,OAAO,GAAGC,SAJ7B;AAKA,SAAKJ,KAAL,CAAWvuC,MAAX,CAAkB2uC,SAAlB,EAA6BC,cAA7B;AACA,SAAKN,KAAL,CAAWtuC,MAAX,CAAkB2uC,SAAlB,EAA6BC,cAA7B;AACD,G;;SAEDC,W,GAAA,uBAAwB;AACtB,QAAIZ,IAAI,GAAG,KAAKM,KAAhB;AACA,WAAQN,IAAI,IAAIA,IAAI,CAACL,cAAL,MAAyB,KAAKQ,UAA9C;AACD,G;;SAEDP,W,GAAA,uBAAuB;AACrB,QAAI,KAAKgB,WAAL,EAAJ,EAAwB;AACtB;AACA;AACA;AACA;AACA,aAAOtrC,IAAI,CAACC,GAAL,CAAS,KAAK+qC,KAAL,CAAWV,WAAX,EAAT,EAAmC,KAAKS,KAAL,CAAWT,WAAX,EAAnC,CAAP;AACD,KAND,MAMO;AACL,aAAO,KAAKM,gBAAZ;AACD;AACF,G;;SAEDpzC,O,GAAA,mBAAW,CACV,C;;;;;AAEYgzC,4GAAf,E;;;;;;;;;;;;;AC5DA;;;;;AAMA;AACA;AACA;AACA;AACA;AACA;4BAEwBhlB,M;IAAhB9W,0B,yBAAAA,W;;IAEF68B,4B;;;;;AACJ,yBAAahxB,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EAAWlhB,iBAAK,CAACmgB,YAAjB,EACEngB,iBAAK,CAACsgB,WADR,EAEEtgB,iBAAK,CAACugB,aAFR,EAGEvgB,iBAAK,CAACC,KAHR;AAIA,UAAKkyC,mBAAL,GAA2B,CAA3B;AACA,UAAKC,cAAL,GAAsB,CAAC,CAAvB;AACA,UAAKlxB,GAAL,GAAWA,GAAX;AACA,UAAK4qB,KAAL,GAAa,IAAb;AACA,UAAKuG,YAAL,GAAoB,IAApB;AACA,UAAKC,OAAL,GAAe,MAAKC,kBAAL,CAAwBrpC,IAAxB,6CAAf;AAVgB;AAWjB;;;;SAED/K,O,GAAA,mBAAW;AACT,SAAK4tC,UAAL;AACA9qB,iBAAY,CAAC0S,SAAb,CAAuBx1B,OAAvB,CAA+B6jB,IAA/B,CAAoC,IAApC;AACD,G;;SAED4P,a,GAAA,uBAAe74B,IAAf,EAAqB;AACnB,QAAM+W,IAAI,GAAG/W,IAAI,CAAC+W,IAAlB;;AACA,QAAIA,IAAI,CAAC5P,IAAL,KAAc,MAAlB,EAA0B;AACxB,UAAI,CAAC,KAAK4rC,KAAV,EAAiB;AACf,aAAKlJ,WAAL,GAAmB9yB,IAAnB;AACA,aAAKg8B,KAAL,GAAatK,WAAW,CAAC,KAAK8Q,OAAN,EAAe,GAAf,CAAxB;AACD,OAJuB,CAMxB;AACA;;;AACA,UAAI,CAAC,KAAKD,YAAV,EAAwB;AACtB,YAAMnxB,GAAG,GAAG,KAAKA,GAAjB;AACA,YAAMziB,MAAM,GAAGyiB,GAAG,CAACziB,MAAnB;AACA,YAAMslB,KAAK,GAAGjU,IAAI,CAACiU,KAAnB;AACA,YAAMyuB,MAAM,GAAGtxB,GAAG,CAAC6H,MAAJ,CAAWhF,KAAX,EAAkB1jB,OAAlB,CAA0B+kB,IAAzC;AAEA,YAAIqtB,QAAJ;AACA,YAAIC,QAAJ;;AACA,YAAIF,MAAJ,EAAY;AACVC,kBAAQ,GAAGh0C,MAAM,CAACk0C,eAAlB;AACAD,kBAAQ,GAAGj0C,MAAM,CAACm0C,eAAlB;AACD,SAHD,MAGO;AACLH,kBAAQ,GAAGh0C,MAAM,CAACo0C,cAAlB;AACAH,kBAAQ,GAAGj0C,MAAM,CAACq0C,cAAlB;AACD;;AACD,aAAKT,YAAL,GAAoB,IAAIlB,wBAAJ,CAA2BjwB,GAA3B,EAAgCwxB,QAAhC,EAA0CD,QAA1C,EAAoDh0C,MAAM,CAACs0C,sBAA3D,CAApB;AACD;AACF;AACF,G;;SAEDR,kB,GAAA,8BAAsB;AACpB;;;;;AAKA,QAAMrxB,GAAG,GAAG,KAAKA,GAAjB;AACA,QAAM1V,KAAK,GAAG0V,GAAG,CAAC4I,KAAlB;AACA,QAAMha,IAAI,GAAG,KAAK8yB,WAAlB;;AAEA,QAAI,CAAC9yB,IAAL,EAAW;AACT;AACD;;AAED,QAAMmU,MAAM,GAAGnU,IAAI,CAACmU,MAApB;AACA,QAAM+uB,YAAY,GAAG9xB,GAAG,CAAC8xB,YAAzB,CAfoB,CAiBpB;;AACA,QAAI,CAAC/uB,MAAD,IAAYA,MAAM,CAACjO,KAAP,IAAgBiO,MAAM,CAACjO,KAAP,CAAai9B,OAA7C,EAAuD;AACrD9zC,sBAAM,CAACgN,IAAP,CAAY,qDAAZ;AACA,WAAK4/B,UAAL,GAFqD,CAGrD;;AACA,WAAKqG,cAAL,GAAsB,CAAC,CAAvB;AACA;AACD;;AACD,QAAIp8B,KAAK,GAAGiO,MAAM,CAACjO,KAAnB;AACA;;;AAEA,QAAIxK,KAAK,IAAIwK,KAAT,KAAoB,CAACxK,KAAK,CAAC+zB,MAAP,IAAkB/zB,KAAK,CAACi0B,YAAN,KAAuB,CAA1C,IAAiD,CAACj0B,KAAK,CAACu6B,UAA3E,KAA0Fj2B,IAAI,CAAC22B,SAA/F,IAA4G32B,IAAI,CAACiU,KAArH,EAA4H;AAC1H,UAAMmvB,YAAY,GAAG79B,0BAAW,CAACD,GAAZ,KAAoBY,KAAK,CAAC63B,QAA/C;AACA,UAAMpO,YAAY,GAAG94B,IAAI,CAAC4N,GAAL,CAAS/I,KAAK,CAACi0B,YAAf,CAArB,CAF0H,CAI1H;;AACA,UAAIyT,YAAY,GAAI,MAAMpjC,IAAI,CAACpM,QAAX,GAAsB+7B,YAA1C,EAAyD;AACvD,YAAM1W,MAAM,GAAG7H,GAAG,CAAC6H,MAAnB;AACA,YAAMoqB,QAAQ,GAAGxsC,IAAI,CAACoX,GAAL,CAAS,CAAT,EAAY/H,KAAK,CAACo9B,EAAN,GAAWp9B,KAAK,CAACo9B,EAAN,GAAW,CAAtB,GAA0Bp9B,KAAK,CAACgc,MAAN,GAAe,IAAf,GAAsBkhB,YAA5D,CAAjB,CAFuD,CAEqC;AAE5F;;AACA,YAAMnvB,KAAK,GAAGgF,MAAM,CAACjZ,IAAI,CAACiU,KAAN,CAApB;AACA,YAAM+gB,YAAY,GAAG/gB,KAAK,CAACsvB,WAAN,GAAoB1sC,IAAI,CAACoX,GAAL,CAASgG,KAAK,CAACsvB,WAAf,EAA4BtvB,KAAK,CAACwF,OAAlC,CAApB,GAAiExF,KAAK,CAACwF,OAA5F;AACA,YAAM+pB,WAAW,GAAGt9B,KAAK,CAACy0B,KAAN,GAAcz0B,KAAK,CAACy0B,KAApB,GAA4B9jC,IAAI,CAACoX,GAAL,CAAS/H,KAAK,CAACgc,MAAf,EAAuBrrB,IAAI,CAAC6J,KAAL,CAAWV,IAAI,CAACpM,QAAL,GAAgBohC,YAAhB,GAA+B,CAA1C,CAAvB,CAAhD;AACA,YAAM1xB,GAAG,GAAG5H,KAAK,CAACmsB,WAAlB;AACA,YAAM4b,eAAe,GAAG,CAACD,WAAW,GAAGt9B,KAAK,CAACgc,MAArB,IAA+BmhB,QAAvD;AACA,YAAMK,qBAAqB,GAAG,CAAChd,YAAY,CAACE,UAAb,CAAwBlrB,KAAxB,EAA+B4H,GAA/B,EAAoC8N,GAAG,CAACziB,MAAJ,CAAWwhC,aAA/C,EAA8DvnB,GAA9D,GAAoEtF,GAArE,IAA4EqsB,YAA1G,CAVuD,CAYvD;AACA;AACA;;AACA,YAAK+T,qBAAqB,GAAI,IAAI1jC,IAAI,CAACpM,QAAT,GAAoB+7B,YAA9C,IAAiE8T,eAAe,GAAGC,qBAAvF,EAA+G;AAC7G,cAAIC,wBAAJ;AACA,cAAIpP,aAAJ,CAF6G,CAG7G;AACA;;AACA,eAAKA,aAAa,GAAGv0B,IAAI,CAACiU,KAAL,GAAa,CAAlC,EAAqCsgB,aAAa,GAAG2O,YAArD,EAAmE3O,aAAa,EAAhF,EAAoF;AAClF;AACA;AACA;AACA,gBAAMqP,gBAAgB,GAAG3qB,MAAM,CAACsb,aAAD,CAAN,CAAsBgP,WAAtB,GACrB1sC,IAAI,CAACoX,GAAL,CAASgL,MAAM,CAACsb,aAAD,CAAN,CAAsBgP,WAA/B,EAA4CtqB,MAAM,CAACsb,aAAD,CAAN,CAAsB9a,OAAlE,CADqB,GAErBR,MAAM,CAACsb,aAAD,CAAN,CAAsB9a,OAF1B;;AAIA,gBAAMkqB,yBAAwB,GAAG3jC,IAAI,CAACpM,QAAL,GAAgBgwC,gBAAhB,IAAoC,IAAI,GAAJ,GAAUP,QAA9C,CAAjC;;AAEA,gBAAIM,yBAAwB,GAAGD,qBAA/B,EAAsD;AACpD;AACA;AACD;AACF,WAnB4G,CAoB7G;AACA;;;AACA,cAAIC,wBAAwB,GAAGF,eAA/B,EAAgD;AAC9Cp0C,4BAAM,CAACgN,IAAP,mEAA4Ek4B,aAA5E,yBAA6GA,aAA7G,2BAA+Iv0B,IAAI,CAACiU,KAAL,GAAa,CAA5J,iCAAwL0vB,wBAAwB,CAAC3X,OAAzB,CAAiC,CAAjC,CAAxL,SAA+NyX,eAAe,CAACzX,OAAhB,CAAwB,CAAxB,CAA/N,SAA6P0X,qBAAqB,CAAC1X,OAAtB,CAA8B,CAA9B,CAA7P,EAD8C,CAE9C;;AACA5a,eAAG,CAACmjB,aAAJ,GAAoBA,aAApB,CAH8C,CAI9C;;AACA,iBAAKgO,YAAL,CAAkBjvC,MAAlB,CAAyB8vC,YAAzB,EAAuCl9B,KAAK,CAACgc,MAA7C,EAL8C,CAM9C;;;AACA/N,kBAAM,CAACiK,KAAP,GAP8C,CAQ9C;;AACA,iBAAK6d,UAAL;AACA7qB,eAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAACqgB,2BAAlB,EAA+C;AAAEvQ,kBAAI,EAAEA,IAAR;AAAckG,mBAAK,EAAEA;AAArB,aAA/C;AACD;AACF;AACF;AACF;AACF,G;;SAEDyf,Y,GAAA,sBAAc18B,IAAd,EAAoB;AAClB,QAAM+W,IAAI,GAAG/W,IAAI,CAAC+W,IAAlB;;AACA,QAAIA,IAAI,CAAC5P,IAAL,KAAc,MAAd,IAAwB,0CAAgB4P,IAAI,CAAC+T,EAArB,CAA5B,EAAsD;AACpD;AACA,WAAKkoB,UAAL,GAFoD,CAGpD;;AACA,WAAKoG,mBAAL,GAA2BriC,IAAI,CAACiU,KAAhC,CAJoD,CAKpD;;AACA,WAAKquB,cAAL,GAAsB,CAAC,CAAvB,CANoD,CAQpD;;AACA,UAAI,KAAKlxB,GAAL,CAASziB,MAAT,CAAgBk1C,qBAApB,EAA2C;AACzC,YAAM5vB,KAAK,GAAG,KAAK7C,GAAL,CAAS6H,MAAT,CAAgBjZ,IAAI,CAACiU,KAArB,CAAd;AACA,YAAI6vB,WAAW,GAAG,CAAC7vB,KAAK,CAACiO,MAAN,GAAejO,KAAK,CAACiO,MAAN,CAAa1f,KAA5B,GAAoC,CAArC,IAA0CvZ,IAAI,CAACid,KAAL,CAAWgc,MAAvE;AACA,YAAI6hB,cAAc,GAAG,CAAC9vB,KAAK,CAACiO,MAAN,GAAejO,KAAK,CAACiO,MAAN,CAAatuB,QAA5B,GAAuC,CAAxC,IAA6C3K,IAAI,CAAC+W,IAAL,CAAUpM,QAA5E;AACAqgB,aAAK,CAACiO,MAAN,GAAe;AAAE1f,eAAK,EAAEshC,WAAT;AAAsBlwC,kBAAQ,EAAEmwC;AAAhC,SAAf;AACA9vB,aAAK,CAACsvB,WAAN,GAAoB1sC,IAAI,CAAC6J,KAAL,CAAW,IAAIojC,WAAJ,GAAkBC,cAA7B,CAApB;AACD,OAfmD,CAgBpD;;;AACA,UAAI96C,IAAI,CAAC+W,IAAL,CAAU4lB,WAAd,EAA2B;AACzB,YAAI1f,KAAK,GAAGjd,IAAI,CAACid,KAAjB;AACAA,aAAK,CAACwa,OAAN,GAAgBxa,KAAK,CAACkzB,SAAN,GAAkBlzB,KAAK,CAAC2Z,KAAxC;AACA,aAAKiG,cAAL,CAAoB78B,IAApB;AACD;AACF;AACF,G;;SAED68B,c,GAAA,wBAAgB78B,IAAhB,EAAsB;AACpB,QAAMid,KAAK,GAAGjd,IAAI,CAACid,KAAnB;AACA,QAAMlG,IAAI,GAAG/W,IAAI,CAAC+W,IAAlB,CAFoB,CAGpB;AACA;AACA;AACA;;AACA,QAAIkG,KAAK,CAACi9B,OAAN,KAAkB,IAAlB,IAA0BnjC,IAAI,CAAC5P,IAAL,KAAc,MAAxC,IAAkD,0CAAgB4P,IAAI,CAAC+T,EAArB,CAAlD,KAAgF,CAAC/T,IAAI,CAAC4lB,WAAN,IAAqB1f,KAAK,CAAC2Z,KAAN,KAAgB3Z,KAAK,CAACkzB,SAA3H,CAAJ,EAA4I;AAC1I;AACA;AACA;AACA,UAAI4K,uBAAuB,GAAG99B,KAAK,CAACwa,OAAN,GAAgBxa,KAAK,CAAC63B,QAApD;AACA1uC,sBAAM,CAACC,GAAP,0CAAkDuH,IAAI,CAAC6J,KAAL,CAAWwF,KAAK,CAAC00B,MAAN,GAAe10B,KAAK,CAAC63B,QAAhC,CAAlD,SAA+FlnC,IAAI,CAAC6J,KAAL,CAAWwF,KAAK,CAAC2Z,KAAN,GAAc3Z,KAAK,CAAC00B,MAA/B,CAA/F,SAAyI/jC,IAAI,CAAC6J,KAAL,CAAWwF,KAAK,CAACwa,OAAN,GAAgBxa,KAAK,CAAC2Z,KAAjC,CAAzI,SAAoLhpB,IAAI,CAAC6J,KAAL,CAAWwF,KAAK,CAACkzB,SAAN,GAAkBlzB,KAAK,CAACwa,OAAnC,CAApL,SAAmO7pB,IAAI,CAAC6J,KAAL,CAAW,IAAIwF,KAAK,CAACgc,MAAV,IAAoBhc,KAAK,CAACkzB,SAAN,GAAkBlzB,KAAK,CAAC63B,QAA5C,CAAX,CAAnO;;AACA,WAAKwE,YAAL,CAAkBjvC,MAAlB,CAAyB0wC,uBAAzB,EAAkD99B,KAAK,CAACgc,MAAxD;;AACAhc,WAAK,CAAC+9B,UAAN,GAAmB,KAAK1B,YAAL,CAAkBpB,WAAlB,EAAnB,CAP0I,CAQ1I;;AACA,UAAInhC,IAAI,CAAC4lB,WAAT,EAAsB;AACpB,aAAKse,gBAAL,GAAwBF,uBAAuB,GAAG,IAAlD;AACD,OAFD,MAEO;AACL,aAAKE,gBAAL,GAAwB,CAAxB;AACD;AACF;AACF,G;;SAED7kB,O,GAAA,iBAASp2B,IAAT,EAAe;AACb;AACA,YAAQA,IAAI,CAACsH,OAAb;AACA,WAAKC,sBAAY,CAACkyB,eAAlB;AACA,WAAKlyB,sBAAY,CAACmyB,iBAAlB;AACE,aAAKsZ,UAAL;AACA;;AACF;AACE;AANF;AAQD,G;;SAEDA,U,GAAA,sBAAc;AACZ1K,iBAAa,CAAC,KAAKyK,KAAN,CAAb;AACA,SAAKA,KAAL,GAAa,IAAb;AACD,G,CAED;;;SAkEAmI,c,GAAA,wBAAgBhL,YAAhB,EAA8BiL,mBAA9B,EAAmDC,SAAnD,EAA8DnB,YAA9D,EAA4EoB,YAA5E,EAA0FC,gBAA1F,EAA4GC,QAA5G,EAAsHC,UAAtH,EAAkIxrB,MAAlI,EAA0I;AACxI,SAAK,IAAItuB,CAAC,GAAG25C,YAAb,EAA2B35C,CAAC,IAAIu4C,YAAhC,EAA8Cv4C,CAAC,EAA/C,EAAmD;AACjD,UAAIoqC,SAAS,GAAG9b,MAAM,CAACtuB,CAAD,CAAtB;;AAEA,UAAI,CAACoqC,SAAL,EAAgB;AACd;AACD;;AAED,UAAMvU,YAAY,GAAGuU,SAAS,CAACxkC,OAA/B;AACA,UAAMm0C,WAAW,GAAGlkB,YAAY,GAAGA,YAAY,CAAC5K,aAAb,GAA6B4K,YAAY,CAACnL,SAAb,CAAuBrpB,MAAvD,GAAgEo4C,mBAAhG;AACA,UAAM9uB,IAAI,GAAGkL,YAAY,GAAGA,YAAY,CAAClL,IAAhB,GAAuB,KAAhD;AAEA,UAAIqvB,UAAU,SAAd,CAXiD,CAYjD;AACA;AACA;AACA;AACA;AACA;;AACA,UAAIh6C,CAAC,IAAIwuC,YAAT,EAAuB;AACrBwL,kBAAU,GAAGH,QAAQ,GAAGH,SAAxB;AACD,OAFD,MAEO;AACLM,kBAAU,GAAGF,UAAU,GAAGJ,SAA1B;AACD;;AAED,UAAM5qB,OAAO,GAAGR,MAAM,CAACtuB,CAAD,CAAN,CAAU44C,WAAV,GAAwB1sC,IAAI,CAACoX,GAAL,CAASgL,MAAM,CAACtuB,CAAD,CAAN,CAAU44C,WAAnB,EAAgCtqB,MAAM,CAACtuB,CAAD,CAAN,CAAU8uB,OAA1C,CAAxB,GAA6ER,MAAM,CAACtuB,CAAD,CAAN,CAAU8uB,OAAvG;AACA,UAAMmrB,aAAa,GAAGnrB,OAAO,GAAGirB,WAAV,GAAwBC,UAA9C;AAEAt1C,sBAAM,CAAC8uB,KAAP,2EAAqFxzB,CAArF,SAA0FkM,IAAI,CAAC6J,KAAL,CAAWikC,UAAX,CAA1F,SAAoHlrB,OAApH,SAA+HirB,WAA/H,SAA8IH,gBAA9I,SAAkKK,aAAlK,EA3BiD,CA4BjD;;AACA,UAAID,UAAU,GAAGlrB,OAAb,MACJ;AACA;AACA;AACG,OAACmrB,aAAD,IAAmBtvB,IAAI,IAAI,CAAC,KAAK4uB,gBAAjC,IAAsDU,aAAa,GAAGL,gBAJrE,CAAJ,EAI4F;AAC1F;AACA,eAAO55C,CAAP;AACD;AACF,KAtCuI,CAuCxI;;;AACA,WAAO,CAAC,CAAR;AACD,G;;;;wBA1GoB;AACnB,UAAMk6C,eAAe,GAAG,KAAKvC,cAA7B;AACA,UAAMwC,WAAW,GAAG,KAAKvC,YAAzB,CAFmB,CAGnB;;AACA,UAAIsC,eAAe,KAAK,CAAC,CAArB,KAA2B,CAACC,WAAD,IAAgB,CAACA,WAAW,CAAC3C,WAAZ,EAA5C,CAAJ,EAA4E;AAC1E,eAAO0C,eAAP;AACD,OANkB,CAQnB;;;AACA,UAAIE,gBAAgB,GAAG,KAAKC,iBAA5B,CATmB,CAUnB;;AACA,UAAIH,eAAe,KAAK,CAAC,CAAzB,EAA4B;AAC1BE,wBAAgB,GAAGluC,IAAI,CAACC,GAAL,CAAS+tC,eAAT,EAA0BE,gBAA1B,CAAnB;AACD;;AAED,aAAOA,gBAAP;AACD,K;sBA4FkBjN,S,EAAW;AAC5B,WAAKwK,cAAL,GAAsBxK,SAAtB;AACD;;;wBA7FwB;AACvB,UAAI1mB,GAAG,GAAG,KAAKA,GAAf;AADuB,UAEfkzB,YAFe,GAEgClzB,GAFhC,CAEfkzB,YAFe;AAAA,UAEDrrB,MAFC,GAEgC7H,GAFhC,CAED6H,MAFC;AAAA,UAEOtqB,MAFP,GAEgCyiB,GAFhC,CAEOziB,MAFP;AAAA,UAEeu0C,YAFf,GAEgC9xB,GAFhC,CAEe8xB,YAFf;AAGvB,UAAMxnC,KAAK,GAAG0V,GAAG,CAAC4I,KAAlB;AACA,UAAMmf,YAAY,GAAG,KAAKkJ,mBAA1B;AACA,UAAM+B,mBAAmB,GAAG,KAAKtR,WAAL,GAAmB,KAAKA,WAAL,CAAiBl/B,QAApC,GAA+C,CAA3E;AACA,UAAM0P,GAAG,GAAI5H,KAAK,GAAGA,KAAK,CAACmsB,WAAT,GAAuB,CAAzC,CANuB,CAQvB;AACA;;AACA,UAAM8H,YAAY,GAAKj0B,KAAK,IAAKA,KAAK,CAACi0B,YAAN,KAAuB,CAAlC,GAAwC94B,IAAI,CAAC4N,GAAL,CAAS/I,KAAK,CAACi0B,YAAf,CAAxC,GAAuE,GAA7F;AACA,UAAMsV,KAAK,GAAG,KAAK1C,YAAL,GAAoB,KAAKA,YAAL,CAAkBpB,WAAlB,EAApB,GAAsDxyC,MAAM,CAACs0C,sBAA3E,CAXuB,CAYvB;;AACA,UAAMS,qBAAqB,GAAG,CAAChd,YAAY,CAACE,UAAb,CAAwBlrB,KAAxB,EAA+B4H,GAA/B,EAAoC3U,MAAM,CAACwhC,aAA3C,EAA0DvnB,GAA1D,GAAgEtF,GAAjE,IAAwEqsB,YAAtG,CAbuB,CAevB;;AACA,UAAIuV,SAAS,GAAG,KAAKf,cAAL,CAAoBhL,YAApB,EAAkCiL,mBAAlC,EAAuDa,KAAvD,EAA8D/B,YAA9D,EAA4EoB,YAA5E,EAA0FZ,qBAA1F,EAAiH/0C,MAAM,CAACw2C,kBAAxH,EAA4Ix2C,MAAM,CAACy2C,oBAAnJ,EAAyKnsB,MAAzK,CAAhB;;AACA,UAAIisB,SAAS,IAAI,CAAjB,EAAoB;AAClB,eAAOA,SAAP;AACD,OAFD,MAEO;AACL71C,wBAAM,CAAC8uB,KAAP,CAAa,6FAAb,EADK,CAEL;AACA;;AACA,YAAIknB,kBAAkB,GAAGjB,mBAAmB,GAAGvtC,IAAI,CAACC,GAAL,CAASstC,mBAAT,EAA8Bz1C,MAAM,CAAC02C,kBAArC,CAAH,GAA8D12C,MAAM,CAAC02C,kBAAjH;AACA,YAAIb,QAAQ,GAAG71C,MAAM,CAACw2C,kBAAtB;AACA,YAAIV,UAAU,GAAG91C,MAAM,CAACy2C,oBAAxB;;AAEA,YAAI1B,qBAAqB,KAAK,CAA9B,EAAiC;AAC/B;AACA,cAAIQ,gBAAgB,GAAG,KAAKA,gBAA5B;;AACA,cAAIA,gBAAJ,EAAsB;AACpB;AACA;AACA;AACA;AACA;AACA,gBAAMoB,eAAe,GAAGlB,mBAAmB,GAAGvtC,IAAI,CAACC,GAAL,CAASstC,mBAAT,EAA8Bz1C,MAAM,CAAC22C,eAArC,CAAH,GAA2D32C,MAAM,CAAC22C,eAA7G;AACAD,8BAAkB,GAAGC,eAAe,GAAGpB,gBAAvC;AACA70C,4BAAM,CAAC8uB,KAAP,wBAAkCtnB,IAAI,CAAC6J,KAAL,CAAW,OAAOwjC,gBAAlB,CAAlC,oDAAoHrtC,IAAI,CAAC6J,KAAL,CAAW,OAAO2kC,kBAAlB,CAApH,UARoB,CASpB;;AACAb,oBAAQ,GAAGC,UAAU,GAAG,CAAxB;AACD;AACF;;AACDS,iBAAS,GAAG,KAAKf,cAAL,CAAoBhL,YAApB,EAAkCiL,mBAAlC,EAAuDa,KAAvD,EAA8D/B,YAA9D,EAA4EoB,YAA5E,EAA0FZ,qBAAqB,GAAG2B,kBAAlH,EAAsIb,QAAtI,EAAgJC,UAAhJ,EAA4JxrB,MAA5J,CAAZ;AACA,eAAOpiB,IAAI,CAACoX,GAAL,CAASi3B,SAAT,EAAoB,CAApB,CAAP;AACD;AACF;;;;EA5QyB/zB,a;;AA8TbixB,+EAAf,E;;;;;;AC7UA;;;AAIA;AACA;AACA;AACA;AACA;AAoBA,IAAMxqB,6BAAW,GAAGkQ,cAAc,EAAlC;;IAEMyd,kC;;;;;AACJ;AACA;AAEA;AAEA;AAEA;AAEA;AAGA;AAGA;AAKA;AAGA;AAGA;AAGA;AAGA;AAGA;AAKA;AAGA;AAUA,4BAAan0B,GAAb,EAAuB;AAAA;;AACrB,qCAAMA,GAAN,EACEo0B,iBAAM,CAACn3B,eADT,EAEEm3B,iBAAM,CAACj3B,eAFT,EAGEi3B,iBAAM,CAACr2B,eAHT,EAIEq2B,iBAAM,CAAC/2B,YAJT,EAKE+2B,iBAAM,CAAC52B,gBALT,EAME42B,iBAAM,CAAC92B,aANT,EAOE82B,iBAAM,CAAC12B,UAPT,EAQE02B,iBAAM,CAACz2B,eART,EASEy2B,iBAAM,CAAC/1B,iBATT,EAUE+1B,iBAAM,CAACh2B,aAVT;AADqB,UAnDfi2B,WAmDe,GAnDc,IAmDd;AAAA,UAjDfC,cAiDe,GAjDiB,IAiDjB;AAAA,UA/CfC,oBA+Ce,GA/CgB,EA+ChB;AAAA,UA7CfC,KA6Ce,GA7CS,IA6CT;AAAA,UA3CfC,UA2Ce,GA3Ca,IA2Cb;AAAA,UAxCfC,WAwCe,GAxCQ,KAwCR;AAAA,UArCfC,SAqCe,GArCM,KAqCN;AAAA,UAnCfp3C,MAmCe;AAAA,UAhChBq3C,oBAgCgB;AAAA,UA7BhBC,yBA6BgB,GA7BoB,CA6BpB;AAAA,UA1BfC,uBA0Be,GA1BmB,CA0BnB;AAAA,UAvBhBlsB,KAuBgB,GAvBiB,IAuBjB;AAAA,UApBhBmmB,WAoBgB,GApBkB,IAoBlB;AAAA,UAjBhBgG,QAiBgB,GAjBM,EAiBN;AAAA,UAfhBpM,MAegB;AAAA,UAZhBqM,SAYgB,GAZK,KAYL;AAAA,UAThB9M,QASgB,GATG,CASH;AAAA,UARhB+M,WAQgB,GARM,CAQN;AAAA,UAPhBC,kBAOgB,GAPa,CAOb;AAAA,UALhB17B,MAKgB,GALG,EAKH;AAAA,UAJhB27B,aAIgB,GAJU,EAIV;AAAA,UAHhBnG,YAGgB,GAHc,EAGd;AAAA,UAFhBoG,UAEgB,GAFuB,EAEvB;;AAAA,UAwJfC,kBAxJe,GAwJM,YAAM;AACjCp3C,sBAAM,CAACC,GAAP,CAAW,qBAAX;;AACA,YAAK8hB,GAAL,CAASnhB,OAAT,CAAiBu1C,iBAAM,CAACl3B,cAAxB,EAAwC;AAAE0L,aAAK,EAAE,MAAKA;AAAd,OAAxC;;AACA,UAAImmB,WAAW,GAAG,MAAKA,WAAvB;;AACA,UAAIA,WAAJ,EAAiB;AACf;AACAA,mBAAW,CAAClX,mBAAZ,CAAgC,YAAhC,EAA8C,MAAKwd,kBAAnD;AACD;;AACD,YAAKC,kBAAL;AACD,KAjKsB;;AAAA,UAmKfC,mBAnKe,GAmKO,YAAM;AAClCt3C,sBAAM,CAACC,GAAP,CAAW,qBAAX;AACD,KArKsB;;AAAA,UAuKfs3C,mBAvKe,GAuKO,YAAM;AAClCv3C,sBAAM,CAACC,GAAP,CAAW,oBAAX;AACD,KAzKsB;;AAAA,UA2Kfu3C,cA3Ke,GA2KE,YAAM;AAC7B;AACA,UAAI,MAAKb,oBAAL,IAA6B,MAAK5F,YAAL,CAAkBzkC,KAAnD,EAA0D;AACxD,YAAImrC,WAAW,GAAG,MAAK1G,YAAL,CAAkBzkC,KAApC;AAEAtM,wBAAM,CAACgN,IAAP,8CAAuDyqC,WAAW,CAACC,eAAnE,YAAyF,MAAKf,oBAA9F;AACAc,mBAAW,CAACC,eAAZ,GAA8B,MAAKf,oBAAnC;AACA,eAAO,MAAKA,oBAAZ;AACD;;AAED,UAAI,MAAKF,WAAT,EAAsB;AACpB,cAAKkB,OAAL;AACD;;AAED,UAAI,MAAKjB,SAAT,EAAoB;AAClB,cAAKkB,QAAL;AACD;;AAED,YAAKb,SAAL,GAAiB,KAAjB;AACA,UAAIrM,MAAM,GAAG,MAAKA,MAAlB,CAnB6B,CAoB7B;;AACA,UAAIW,OAAO,GAAG,MAAKyL,QAAL,CAAce,MAAd,CAAqB,UAACC,OAAD,EAAUC,OAAV;AAAA,eAAuBA,OAAO,CAACrN,MAAR,KAAmBA,MAApB,GAA8BoN,OAAO,GAAG,CAAxC,GAA4CA,OAAlE;AAAA,OAArB,EAAgG,CAAhG,CAAd,CArB6B,CAuB7B;;;AACA,UAAMvjB,UAAyD,GAAG,EAAlE;AACA,UAAMyjB,KAAK,GAAG,MAAKjH,YAAnB;;AACA,WAAK,IAAIv7B,UAAT,IAAuBwiC,KAAvB,EAA8B;AAC5B,YAAMC,EAAE,GAAGD,KAAK,CAACxiC,UAAD,CAAhB;;AACA,YAAI,CAACyiC,EAAL,EAAS;AACP,gBAAMp7C,KAAK,iEAA+D2Y,UAA/D,6DAAX;AACD;;AACD+e,kBAAU,CAAC/e,UAAD,CAAV,GAA6CyiC,EAAE,CAACnjB,QAAhD;AACD;;AAED,YAAK/S,GAAL,CAASnhB,OAAT,CAAiBu1C,iBAAM,CAAC32B,eAAxB,EAAyC;AAAEkrB,cAAM,EAANA,MAAF;AAAUW,eAAO,EAAPA,OAAV;AAAmB9W,kBAAU,EAAVA;AAAnB,OAAzC,EAlC6B,CAmC7B;;;AACA,UAAI,CAAC,MAAKkiB,WAAV,EAAuB;AACrB,cAAKyB,WAAL;AACD;;AAED,YAAKC,0BAAL,GAxC6B,CA0C7B;;;AACA,UAAI9M,OAAO,KAAK,CAAhB,EAAmB;AACjB,cAAK+M,mBAAL;AACD;AACF,KAzNsB;;AAAA,UA2NfC,gBA3Ne,GA2NI,UAAC5gC,KAAD,EAAkB;AAC3CzX,sBAAM,CAACU,KAAP,CAAa,qBAAb,EAAoC+W,KAApC,EAD2C,CAE3C;AACA;AACA;;AACA,YAAKsK,GAAL,CAASnhB,OAAT,CAAiBu1C,iBAAM,CAACr1C,KAAxB,EAA+B;AAAEC,YAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,eAAO,EAAEC,sBAAY,CAACm3C,sBAAtD;AAA8Ej3C,aAAK,EAAE;AAArF,OAA/B,EAL2C,CAM3C;;AACD,KAlOsB;;AAarB,UAAK/B,MAAL,GAAcyiB,GAAG,CAACziB,MAAlB;AAbqB;AActB;;;;SAEDN,O,GAAA,mBAAW;AACT8iB,iBAAY,CAAC0S,SAAb,CAAuBx1B,OAAvB,CAA+B6jB,IAA/B,CAAoC,IAApC;AACD,G;;SAED01B,iB,GAAA,2BAAmB3+C,IAAnB,EAAoE;AAClE,QAAImH,IAAI,GAAGnH,IAAI,CAACmH,IAAhB;AACA,QAAIqN,UAAU,GAAG,KAAKmN,MAAL,CAAYjP,KAA7B,CAFkE,CAIlE;AACA;AACA;AACA;AACA;AACA;;AAEA,QAAIvL,IAAI,KAAK,OAAT,IAAoBqN,UAApB,IAAkCA,UAAU,CAAC3J,SAAX,KAAyB,YAA/D,EAA6E;AAAE;AAC7E,UAAIgzC,WAAW,GAAG,KAAK1G,YAAL,CAAkBzkC,KAApC;;AACA,UAAI,CAACmrC,WAAL,EAAkB;AAChB,cAAM56C,KAAK,CAAC,4DAAD,CAAX;AACD;;AAED,UAAIq/B,KAAK,GAAG10B,IAAI,CAAC4N,GAAL,CAASqiC,WAAW,CAACC,eAAZ,GAA8B99C,IAAI,CAACkU,KAA5C,CAAZ,CAN2E,CAQ3E;;AACA,UAAIouB,KAAK,GAAG,GAAZ,EAAiB;AACf,YAAIsc,QAAQ,GAAGf,WAAW,CAACe,QAA3B;;AAEA,YAAI;AACFf,qBAAW,CAAC1oB,KAAZ;AACD,SAFD,CAEE,OAAOxuB,GAAP,EAAY;AACZP,0BAAM,CAACgN,IAAP,CAAY,iCAAiCzM,GAA7C;AACD;;AAED,YAAI,CAACi4C,QAAL,EAAe;AACbx4C,0BAAM,CAACgN,IAAP,CAAY,6CAA6CyqC,WAAW,CAACC,eAAzD,GAA2E,MAA3E,GAAoF99C,IAAI,CAACkU,KAArG;AACA2pC,qBAAW,CAACC,eAAZ,GAA8B99C,IAAI,CAACkU,KAAnC;AACD,SAHD,MAGO;AACL,eAAK6oC,oBAAL,GAA4B/8C,IAAI,CAACkU,KAAjC;AACD;AACF;AACF;AACF,G;;SAEDs7B,gB,GAAA,0BAAkBxvC,IAAlB,EAA+C;AAC7C;AACA;AACA;AACA;AACA,SAAKg9C,yBAAL,GAAiC,KAAKC,uBAAL,GAA+Bj9C,IAAI,CAACkrC,QAAL,GAAgB,CAAhB,GAAoB,CAApF;AACA9kC,oBAAM,CAACC,GAAP,CAAc,KAAK22C,yBAAnB;AACD,G;;SAED6B,gB,GAAA,0BAAkB7+C,IAAlB,EAAqD;AACnD,QAAI+wB,KAAK,GAAG,KAAKA,KAAL,GAAa/wB,IAAI,CAAC+wB,KAA9B;;AACA,QAAIA,KAAK,IAAIpC,6BAAb,EAA0B;AACxB;AACA,UAAImwB,EAAE,GAAG,KAAK5H,WAAL,GAAmB,IAAIvoB,6BAAJ,EAA5B,CAFwB,CAGxB;;AACAmwB,QAAE,CAAC1gC,gBAAH,CAAoB,YAApB,EAAkC,KAAKo/B,kBAAvC;AACAsB,QAAE,CAAC1gC,gBAAH,CAAoB,aAApB,EAAmC,KAAKu/B,mBAAxC;AACAmB,QAAE,CAAC1gC,gBAAH,CAAoB,aAApB,EAAmC,KAAKs/B,mBAAxC,EANwB,CAOxB;;AACA3sB,WAAK,CAACguB,GAAN,GAAY3rB,MAAM,CAACyM,GAAP,CAAWmf,eAAX,CAA2BF,EAA3B,CAAZ,CARwB,CASxB;;AACA,WAAKlC,UAAL,GAAkB7rB,KAAK,CAACguB,GAAxB;AACD;AACF,G;;SAEDxP,gB,GAAA,4BAAoB;AAClBnpC,oBAAM,CAACC,GAAP,CAAW,wBAAX;AACA,QAAIy4C,EAAE,GAAG,KAAK5H,WAAd;;AACA,QAAI4H,EAAJ,EAAQ;AACN,UAAIA,EAAE,CAAC9R,UAAH,KAAkB,MAAtB,EAA8B;AAC5B,YAAI;AACF;AACA;AACA;AACA;AACA8R,YAAE,CAACG,WAAH;AACD,SAND,CAME,OAAOt4C,GAAP,EAAY;AACZP,0BAAM,CAACgN,IAAP,uBAAgCzM,GAAG,CAACI,OAApC;AACD;AACF;;AACD+3C,QAAE,CAAC9e,mBAAH,CAAuB,YAAvB,EAAqC,KAAKwd,kBAA1C;AACAsB,QAAE,CAAC9e,mBAAH,CAAuB,aAAvB,EAAsC,KAAK2d,mBAA3C;AACAmB,QAAE,CAAC9e,mBAAH,CAAuB,aAAvB,EAAsC,KAAK0d,mBAA3C,EAdM,CAgBN;AACA;;AACA,UAAI,KAAK3sB,KAAT,EAAgB;AACd,YAAI,KAAK6rB,UAAT,EAAqB;AACnBxpB,gBAAM,CAACyM,GAAP,CAAWC,eAAX,CAA2B,KAAK8c,UAAhC;AACD,SAHa,CAKd;AACA;;;AACA,YAAI,KAAK7rB,KAAL,CAAWguB,GAAX,KAAmB,KAAKnC,UAA5B,EAAwC;AACtC,eAAK7rB,KAAL,CAAWmuB,eAAX,CAA2B,KAA3B;AACA,eAAKnuB,KAAL,CAAW2D,IAAX;AACD,SAHD,MAGO;AACLtuB,0BAAM,CAACgN,IAAP,CAAY,uDAAZ;AACD;AACF;;AAED,WAAK8jC,WAAL,GAAmB,IAAnB;AACA,WAAKnmB,KAAL,GAAa,IAAb;AACA,WAAK6rB,UAAL,GAAkB,IAAlB;AACA,WAAKI,yBAAL,GAAiC,KAAKC,uBAAtC;AACA,WAAKK,aAAL,GAAqB,EAArB;AACA,WAAK37B,MAAL,GAAc,EAAd;AACA,WAAKw1B,YAAL,GAAoB,EAApB;AACA,WAAKoG,UAAL,GAAkB,EAAlB;AACA,WAAKL,QAAL,GAAgB,EAAhB;AACA,WAAK7M,QAAL,GAAgB,CAAhB;AACD;;AAED,SAAKloB,GAAL,CAASnhB,OAAT,CAAiBu1C,iBAAM,CAACh3B,cAAxB;AACD,G;;SAEDk4B,kB,GAAA,8BAAsB;AAAA,QACdT,yBADc,GAC+B,IAD/B,CACdA,yBADc;AAAA,QACaM,aADb,GAC+B,IAD/B,CACaA,aADb,EAGpB;AACA;AACA;AACA;;AACA,QAAM6B,kBAAkB,GAAG1kB,MAAM,CAACM,IAAP,CAAYuiB,aAAZ,EAA2Bv6C,MAAtD;;AACA,QAAKo8C,kBAAkB,IAAI,CAACnC,yBAAxB,IAAsDmC,kBAAkB,KAAK,CAAjF,EAAoF;AAClF;AACA,WAAKC,mBAAL,CAAyB9B,aAAzB;AACA,WAAKA,aAAL,GAAqB,EAArB,CAHkF,CAIlF;;AACA,WAAKgB,WAAL;AACD;AACF,G;;SA8EDe,a,GAAA,yBAAiB;AACf,QAAMlI,YAAY,GAAG,KAAKA,YAA1B;;AACA,SAAK,IAAIhwC,IAAT,IAAiBgwC,YAAjB,EAA+B;AAC7B,UAAMkH,EAAE,GAAGlH,YAAY,CAAChwC,IAAD,CAAvB;;AACA,UAAI;AACF,YAAIk3C,EAAJ,EAAQ;AACN,cAAI,KAAKnH,WAAT,EAAsB;AACpB,iBAAKA,WAAL,CAAiBoI,kBAAjB,CAAoCjB,EAApC;AACD;;AACDA,YAAE,CAACre,mBAAH,CAAuB,WAAvB,EAAoC,KAAK4d,cAAzC;AACAS,YAAE,CAACre,mBAAH,CAAuB,OAAvB,EAAgC,KAAKye,gBAArC;AACD;AACF,OARD,CAQE,OAAO93C,GAAP,EAAY,CACb;AACF;;AACD,SAAKwwC,YAAL,GAAoB,EAApB;AACA,SAAKoG,UAAL,GAAkB,EAAlB;AACA,SAAKL,QAAL,GAAgB,EAAhB;AACA,SAAK7M,QAAL,GAAgB,CAAhB;AACD,G;;SAEDkP,c,GAAA,wBAAgB59B,MAAhB,EAAkC;AAAA;;AAChC;AACA;AACA,QAAI8Y,MAAM,CAACM,IAAP,CAAY,KAAKoc,YAAjB,EAA+Bp0C,MAAnC,EAA2C;AACzC;AACD;;AAED03B,UAAM,CAACM,IAAP,CAAYpZ,MAAZ,EAAoBnJ,OAApB,CAA4B,UAAAk4B,SAAS,EAAI;AACvC,YAAI,CAAC4M,aAAL,CAAmB5M,SAAnB,IAAgC/uB,MAAM,CAAC+uB,SAAD,CAAtC;AACD,KAFD;AAIA,SAAKsM,yBAAL,GAAiCpvC,IAAI,CAACoX,GAAL,CAAS,KAAKg4B,yBAAL,GAAiC,CAA1C,EAA6C,CAA7C,CAAjC;;AACA,QAAI,KAAK9F,WAAL,IAAoB,KAAKA,WAAL,CAAiBlK,UAAjB,KAAgC,MAAxD,EAAgE;AAC9D,WAAKyQ,kBAAL;AACD;AACF,G;;SAED2B,mB,GAAA,6BAAqBz9B,MAArB,EAAuC;AAAA,QAC7Bw1B,YAD6B,GACC,IADD,CAC7BA,YAD6B;AAAA,QACfD,WADe,GACC,IADD,CACfA,WADe;;AAErC,QAAI,CAACA,WAAL,EAAkB;AAChB,YAAMj0C,KAAK,CAAC,sDAAD,CAAX;AACD;;AAED,SAAK,IAAIytC,SAAT,IAAsB/uB,MAAtB,EAA8B;AAC5B,UAAI,CAACw1B,YAAY,CAACzG,SAAD,CAAjB,EAA8B;AAC5B,YAAIpnC,KAAK,GAAGqY,MAAM,CAAC+uB,SAAD,CAAlB;;AACA,YAAI,CAACpnC,KAAL,EAAY;AACV,gBAAMrG,KAAK,qCAAmCytC,SAAnC,8BAAX;AACD,SAJ2B,CAK5B;;;AACA,YAAI9nC,KAAK,GAAGU,KAAK,CAACunC,UAAN,IAAoBvnC,KAAK,CAACV,KAAtC;AACA,YAAI42C,QAAQ,GAAMl2C,KAAK,CAACuB,SAAZ,gBAAgCjC,KAA5C;AACAxC,wBAAM,CAACC,GAAP,4BAAoCm5C,QAApC;;AACA,YAAI;AACF,cAAInB,EAAE,GAAGlH,YAAY,CAACzG,SAAD,CAAZ,GAA0BwG,WAAW,CAACuI,eAAZ,CAA4BD,QAA5B,CAAnC;AACAnB,YAAE,CAACjgC,gBAAH,CAAoB,WAApB,EAAiC,KAAKw/B,cAAtC;AACAS,YAAE,CAACjgC,gBAAH,CAAoB,OAApB,EAA6B,KAAKqgC,gBAAlC;AACA,eAAK98B,MAAL,CAAY+uB,SAAZ,IAAyB;AACvBnwC,kBAAM,EAAE89C,EADe;AAEvBz1C,iBAAK,EAAEA,KAFgB;AAGvBkC,cAAE,EAAExB,KAAK,CAACwB,EAHa;AAIvBD,qBAAS,EAAEvB,KAAK,CAACuB,SAJM;AAKvBgmC,sBAAU,EAAEvnC,KAAK,CAACunC;AALK,WAAzB;AAOD,SAXD,CAWE,OAAOlqC,GAAP,EAAY;AACZP,0BAAM,CAACU,KAAP,6CAAuDH,GAAG,CAACI,OAA3D;AACA,eAAKohB,GAAL,CAASnhB,OAAT,CAAiBu1C,iBAAM,CAACr1C,KAAxB,EAA+B;AAAEC,gBAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,mBAAO,EAAEC,sBAAY,CAACm4C,sBAAtD;AAA8Ej4C,iBAAK,EAAE,KAArF;AAA4Fd,eAAG,EAAEA,GAAjG;AAAsG64C,oBAAQ,EAAEA;AAAhH,WAA/B;AACD;AACF;AACF;;AACD,SAAKr3B,GAAL,CAASnhB,OAAT,CAAiBu1C,iBAAM,CAAC72B,cAAxB,EAAwC;AAAE/D,YAAM,EAAE,KAAKA;AAAf,KAAxC;AACD,G;;SAEDg+B,iB,GAAA,2BAAmB3/C,IAAnB,EAAkC;AAChC,QAAI,CAAC,KAAK68C,WAAV,EAAuB;AACrB,UAAI,CAAC,KAAKK,QAAV,EAAoB;AAClB,aAAKA,QAAL,GAAgB,CAAEl9C,IAAF,CAAhB;AACD,OAFD,MAEO;AACL,aAAKk9C,QAAL,CAAc9yC,IAAd,CAAmBpK,IAAnB;AACD;;AAED,WAAKs+C,WAAL;AACD;AACF,G,CAED;AACA;;;SACAsB,W,GAAA,qBAAa5/C,IAAb,EAAgD;AAC9C,SAAK,IAAMmH,IAAX,IAAmB,KAAKgwC,YAAxB,EAAsC;AACpC,UAAI,CAACn3C,IAAI,CAACmH,IAAN,IAAcnH,IAAI,CAACmH,IAAL,KAAcA,IAAhC,EAAsC;AACpC,YAAMk3C,EAAE,GAAG,KAAKlH,YAAL,CAAkBhwC,IAAlB,CAAX;;AACA,YAAIk3C,EAAE,IAAI,CAACA,EAAE,CAAC5X,KAAd,EAAqB;AACnB4X,YAAE,CAAC5X,KAAH,GAAW,IAAX;AACArgC,0BAAM,CAACC,GAAP,CAAcc,IAAd;AACD;AACF;AACF;;AAED,SAAK62C,QAAL;AACD,G,CAED;;;SACAA,Q,GAAA,oBAAY;AAAA,QACF7G,YADE,GAC4B,IAD5B,CACFA,YADE;AAAA,QACYD,WADZ,GAC4B,IAD5B,CACYA,WADZ;;AAEV,QAAI,CAACA,WAAD,IAAgBA,WAAW,CAAClK,UAAZ,KAA2B,MAA/C,EAAuD;AACrD,WAAK8P,SAAL,GAAiB,KAAjB;AACA;AACD;;AAED,SAAK,IAAI31C,IAAT,IAAiBgwC,YAAjB,EAA+B;AAC7B,UAAMkH,EAAE,GAAGlH,YAAY,CAAChwC,IAAD,CAAvB;AACA,UAAI,CAACk3C,EAAL,EAAS;;AAET,UAAI,CAACA,EAAE,CAAC5X,KAAR,EAAe;AACb;AACD;;AAED,UAAI4X,EAAE,CAACO,QAAP,EAAiB;AACf,aAAK9B,SAAL,GAAiB,IAAjB;AACA;AACD;AACF;;AAED12C,oBAAM,CAACC,GAAP,CAAW,6FAAX,EArBU,CAsBV;;AACA,QAAI;AACF6wC,iBAAW,CAAC+H,WAAZ;AACD,KAFD,CAEE,OAAOl5C,CAAP,EAAU;AACVK,sBAAM,CAACgN,IAAP,CAAY,mDAAZ;AACD;;AACD,SAAK0pC,SAAL,GAAiB,KAAjB;AACD,G;;SAED+C,gB,GAAA,0BAAkB7/C,IAAlB,EAA6F;AAC3F,QAAIA,IAAI,CAACmH,IAAT,EAAe;AACb,WAAKo2C,UAAL,CAAgBnzC,IAAhB,CAAqB;AAAE8J,aAAK,EAAElU,IAAI,CAACsb,WAAd;AAA2BqE,WAAG,EAAE3f,IAAI,CAAC+uC,SAArC;AAAgD5nC,YAAI,EAAEnH,IAAI,CAACmH;AAA3D,OAArB;AACD,KAFD,MAEO;AACL,WAAKo2C,UAAL,CAAgBnzC,IAAhB,CAAqB;AAAE8J,aAAK,EAAElU,IAAI,CAACsb,WAAd;AAA2BqE,WAAG,EAAE3f,IAAI,CAAC+uC,SAArC;AAAgD5nC,YAAI,EAAE;AAAtD,OAArB;AACA,WAAKo2C,UAAL,CAAgBnzC,IAAhB,CAAqB;AAAE8J,aAAK,EAAElU,IAAI,CAACsb,WAAd;AAA2BqE,WAAG,EAAE3f,IAAI,CAAC+uC,SAArC;AAAgD5nC,YAAI,EAAE;AAAtD,OAArB;AACD,KAN0F,CAQ3F;;;AACA,SAAKk2C,kBAAL,GAA0B,CAA1B;AACA,SAAKU,OAAL;AACD,G;;SAEDS,mB,GAAA,+BAAuB;AACrB;AACA,QAAI,CAAC,KAAK7B,KAAV,EAAiB;AACf;AACD;;AAED,QAAMmD,oBAAoB,GAAG,KAAKp6C,MAAL,CAAYo6C,oBAAzC;;AACA,QAAI,CAACj7B,QAAQ,CAACi7B,oBAAD,CAAT,IAAmCA,oBAAoB,GAAG,CAA9D,EAAiE;AAC/D;AACD;;AAED,QAAI,CAAC,KAAK/uB,KAAV,EAAiB;AACf3qB,sBAAM,CAACU,KAAP,CAAa,oDAAb;AACA;AACD;;AAED,QAAM83B,WAAW,GAAG,KAAK7N,KAAL,CAAW6N,WAA/B;AACA,QAAMuY,YAAY,GAAG,KAAKA,YAA1B;AACA,QAAM4I,WAAW,GAAGtlB,MAAM,CAACM,IAAP,CAAYoc,YAAZ,CAApB;AACA,QAAM6I,wBAAwB,GAAGphB,WAAW,GAAGhxB,IAAI,CAACoX,GAAL,CAAS86B,oBAAT,EAA+B,KAAKpD,oBAApC,CAA/C;;AAEA,SAAK,IAAIp8B,KAAK,GAAGy/B,WAAW,CAACh9C,MAAZ,GAAqB,CAAtC,EAAyCud,KAAK,IAAI,CAAlD,EAAqDA,KAAK,EAA1D,EAA8D;AAC5D,UAAM2/B,UAAU,GAAGF,WAAW,CAACz/B,KAAD,CAA9B;AACA,UAAM+9B,EAAE,GAAGlH,YAAY,CAAC8I,UAAD,CAAvB;;AACA,UAAI5B,EAAJ,EAAQ;AACN,YAAMnjB,QAAQ,GAAGmjB,EAAE,CAACnjB,QAApB,CADM,CAEN;;AACA,YAAIA,QAAQ,CAACn4B,MAAT,GAAkB,CAAlB,IAAuBi9C,wBAAwB,GAAG9kB,QAAQ,CAAChnB,KAAT,CAAe,CAAf,CAAtD,EAAyE;AACvE;AACA;AACA;AACA,cAAI,KAAKgsC,iBAAL,CAAuBD,UAAvB,EAAmC5B,EAAnC,EAAuC,CAAvC,EAA0C2B,wBAA1C,CAAJ,EAAyE;AACvE,iBAAK73B,GAAL,CAASnhB,OAAT,CAAiBu1C,iBAAM,CAAC91B,wBAAxB,EAAkD;AAAEgY,uBAAS,EAAEuhB;AAAb,aAAlD;AACD;AAEF;AACF;AACF;AACF,G;;SAEDG,c,GAAA,8BAA+J;AAAA,QAA7I74C,OAA6I,QAA7IA,OAA6I;;AAC7J,QAAIA,OAAO,CAAC8kB,SAAR,CAAkBrpB,MAAlB,GAA2B,CAA/B,EAAkC;AAChC,WAAK05C,cAAL,GAAsBn1C,OAAO,CAACqlB,aAAR,GAAwBrlB,OAAO,CAAC8kB,SAAR,CAAkB,CAAlB,EAAqBlY,KAAnE;AACA,WAAKwoC,oBAAL,GAA4Bp1C,OAAO,CAACwrB,qBAAR,IAAiCxrB,OAAO,CAAColB,cAAzC,IAA2D,EAAvF;AACA,WAAKiwB,KAAL,GAAar1C,OAAO,CAAC+kB,IAArB;AACA,WAAKkyB,0BAAL;AACD;AACF;AAED;;;;;;;SAKAA,0B,GAAA,sCAA8B;AAAA,QACtB74C,MADsB,GACX,IADW,CACtBA,MADsB;AAE5B,QAAIiF,QAAJ;;AAEA,QAAI,KAAK8xC,cAAL,KAAwB,IAAxB,IACF,CAAC,KAAK1rB,KADJ,IAEF,CAAC,KAAKmmB,WAFJ,IAGF,CAAC,KAAKC,YAHJ,IAIF,KAAKpmB,KAAL,CAAWic,UAAX,KAA0B,CAJxB,IAKF,KAAKkK,WAAL,CAAiBlK,UAAjB,KAAgC,MALlC,EAK0C;AACxC;AACD;;AAED,SAAK,IAAI7lC,IAAT,IAAiB,KAAKgwC,YAAtB,EAAoC;AAClC,UAAMkH,EAAE,GAAG,KAAKlH,YAAL,CAAkBhwC,IAAlB,CAAX;;AACA,UAAIk3C,EAAE,IAAIA,EAAE,CAACO,QAAH,KAAgB,IAA1B,EAAgC;AAC9B;AACA;AACD;AACF;;AAEDj0C,YAAQ,GAAG,KAAKomB,KAAL,CAAWpmB,QAAtB,CArB4B,CAsB5B;;AACA,QAAI,KAAK6xC,WAAL,KAAqB,IAAzB,EAA+B;AAC7B,WAAKA,WAAL,GAAmB,KAAKtF,WAAL,CAAiBvsC,QAApC;AACD;;AAED,QAAI,KAAKgyC,KAAL,KAAe,IAAf,IAAuBj3C,MAAM,CAAC06C,oBAAP,KAAgC,IAA3D,EAAiE;AAC/D;AACAh6C,sBAAM,CAACC,GAAP,CAAW,0CAAX;AACA,WAAKm2C,WAAL,GAAmB,KAAKtF,WAAL,CAAiBvsC,QAAjB,GAA4B6iB,QAA/C;AACD,KAJD,MAIO,IAAK,KAAKivB,cAAL,GAAsB,KAAKD,WAA3B,IAA0C,KAAKC,cAAL,GAAsB9xC,QAAjE,IAA8E,CAAC,0CAAgBA,QAAhB,CAAnF,EAA8G;AACnH;AACA;AACA;AACA;AACAvE,sBAAM,CAACC,GAAP,wCAAgD,KAAKo2C,cAAL,CAAoB1Z,OAApB,CAA4B,CAA5B,CAAhD;AACA,WAAKyZ,WAAL,GAAmB,KAAKtF,WAAL,CAAiBvsC,QAAjB,GAA4B,KAAK8xC,cAApD;AACD;AACF,G;;SAEDsB,O,GAAA,mBAAW;AACT;AACA,WAAO,KAAKR,UAAL,CAAgBx6C,MAAvB,EAA+B;AAC7B,UAAI44B,KAAK,GAAG,KAAK4hB,UAAL,CAAgB,CAAhB,CAAZ,CAD6B,CAE7B;;AACA,UAAI,KAAK8C,WAAL,CAAiB1kB,KAAK,CAACznB,KAAvB,EAA8BynB,KAAK,CAAChc,GAApC,EAAyCgc,KAAK,CAACx0B,IAA/C,CAAJ,EAA0D;AACxD;AACA,aAAKo2C,UAAL,CAAgBliC,KAAhB;AACA,aAAKgiC,kBAAL,GAA0B,CAA1B;AACD,OAJD,MAIO;AACL,aAAKR,WAAL,GAAmB,IAAnB,CADK,CAEL;;AACA;AACD;AACF;;AACD,QAAI,KAAKU,UAAL,CAAgBx6C,MAAhB,KAA2B,CAA/B,EAAkC;AAChC;AACA,WAAK85C,WAAL,GAAmB,KAAnB,CAFgC,CAIhC;;AACA,UAAIxM,QAAQ,GAAG,CAAf;AACA,UAAI8G,YAAY,GAAG,KAAKA,YAAxB;;AACA,UAAI;AACF,aAAK,IAAIhwC,IAAT,IAAiBgwC,YAAjB,EAA+B;AAC7B,cAAMkH,EAAE,GAAGlH,YAAY,CAAChwC,IAAD,CAAvB;;AACA,cAAIk3C,EAAJ,EAAQ;AACNhO,oBAAQ,IAAIgO,EAAE,CAACnjB,QAAH,CAAYn4B,MAAxB;AACD;AACF;AACF,OAPD,CAOE,OAAO+D,KAAP,EAAc;AACd;AACA;AACAV,wBAAM,CAACU,KAAP,CAAa,6CAAb;AACD;;AACD,WAAKupC,QAAL,GAAgBA,QAAhB;AACA,WAAKloB,GAAL,CAASnhB,OAAT,CAAiBu1C,iBAAM,CAACx2B,cAAxB;AACD;AACF,G;;SAEDu4B,W,GAAA,uBAAe;AAAA,QACP54C,MADO,GACiC,IADjC,CACPA,MADO;AAAA,QACCyiB,GADD,GACiC,IADjC,CACCA,GADD;AAAA,QACM+0B,QADN,GACiC,IADjC,CACMA,QADN;AAAA,QACgB/F,YADhB,GACiC,IADjC,CACgBA,YADhB;;AAEb,QAAI,CAAC1c,MAAM,CAACM,IAAP,CAAYoc,YAAZ,EAA0Bp0C,MAA/B,EAAuC;AACrC;AACA;AACD;;AAED,QAAI,CAAC,KAAKguB,KAAN,IAAe,KAAKA,KAAL,CAAWjqB,KAA9B,EAAqC;AACnC,WAAKo2C,QAAL,GAAgB,EAAhB;AACA92C,sBAAM,CAACU,KAAP,CAAa,0EAAb;AACA;AACD;;AAED,QAAI,KAAKq2C,SAAT,EAAoB;AAClB;AACA;AACD;;AAED,QAAMgB,OAAO,GAAGjB,QAAQ,CAAC7hC,KAAT,EAAhB;;AACA,QAAI,CAAC8iC,OAAL,EAAc;AAAE;AACd;AACD;;AAED,QAAI;AACF,UAAME,EAAE,GAAGlH,YAAY,CAACgH,OAAO,CAACh3C,IAAT,CAAvB;;AACA,UAAI,CAACk3C,EAAL,EAAS;AACP;AACA;AACA;AACA,aAAKT,cAAL;;AACA;AACD;;AAED,UAAIS,EAAE,CAACO,QAAP,EAAiB;AACf;AACA1B,gBAAQ,CAAC9lB,OAAT,CAAiB+mB,OAAjB;AACA;AACD,OAdC,CAgBF;;;AACAE,QAAE,CAAC5X,KAAH,GAAW,KAAX,CAjBE,CAkBF;;AACA,WAAKqK,MAAL,GAAcqN,OAAO,CAACrN,MAAtB;AACAuN,QAAE,CAAC9G,YAAH,CAAgB4G,OAAO,CAACn+C,IAAxB;AACA,WAAKo9C,WAAL,GAAmB,CAAnB;AACA,WAAK/M,QAAL;AACA,WAAK8M,SAAL,GAAiB,IAAjB;AACD,KAxBD,CAwBE,OAAOx2C,GAAP,EAAY;AACZ;AACAP,sBAAM,CAACU,KAAP,0CAAoDH,GAAG,CAACI,OAAxD;AACAm2C,cAAQ,CAAC9lB,OAAT,CAAiB+mB,OAAjB;AACA,UAAItgC,KAAK,GAAG;AAAE1W,YAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCypC,cAAM,EAAEqN,OAAO,CAACrN,MAAhD;AAAwDxpC,eAAO,EAAE,EAAjE;AAAqEG,aAAK,EAAE;AAA5E,OAAZ;;AACA,UAAId,GAAG,CAAC25C,IAAJ,KAAa,EAAjB,EAAqB;AACnB;AACA;AACA,aAAKpD,QAAL,GAAgB,EAAhB;AACAr/B,aAAK,CAACvW,OAAN,GAAgBC,sBAAY,CAACyqC,iBAA7B;AACD,OALD,MAKO;AACL,aAAKoL,WAAL;AACAv/B,aAAK,CAACvW,OAAN,GAAgBC,sBAAY,CAACg5C,mBAA7B;AACA;;;;AAGA,YAAI,KAAKnD,WAAL,GAAmB13C,MAAM,CAAC86C,mBAA9B,EAAmD;AACjDp6C,0BAAM,CAACC,GAAP,WAAmBX,MAAM,CAAC86C,mBAA1B;AACA,eAAKtD,QAAL,GAAgB,EAAhB;AACAr/B,eAAK,CAACpW,KAAN,GAAc,IAAd;AACD;AACF;;AACD0gB,SAAG,CAACnhB,OAAJ,CAAYu1C,iBAAM,CAACr1C,KAAnB,EAA0B2W,KAA1B;AACD;AACF;AAED;;;;;;;SAKAwiC,W,GAAA,qBAAa/kC,WAAb,EAAkCyzB,SAAlC,EAAqD0R,MAArD,EAAwF;AACtF,QAAMtJ,YAAY,GAAG,KAAKA,YAA1B,CADsF,CAEtF;;AACA,QAAI,CAAC1c,MAAM,CAACM,IAAP,CAAYoc,YAAZ,EAA0Bp0C,MAA/B,EAAuC;AACrC,aAAO,IAAP;AACD;;AAED,QAAI67B,WAAmB,GAAG,MAA1B;;AACA,QAAI,KAAK7N,KAAT,EAAgB;AACd6N,iBAAW,GAAG,KAAK7N,KAAL,CAAW6N,WAAX,CAAuBmE,OAAvB,CAA+B,CAA/B,CAAd;AACD;;AACD38B,oBAAM,CAACC,GAAP,iCAAyCu4B,WAAzC,SAAwDtjB,WAAxD,SAAuEyzB,SAAvE,EAXsF,CAatF;;AACA,QAAI,KAAKsO,kBAAL,IAA2B,KAAKhN,QAApC,EAA8C;AAC5CjqC,sBAAM,CAACgN,IAAP,CAAY,iCAAZ;AACA,aAAO,IAAP;AACD;;AAED,QAAMirC,EAAE,GAAGlH,YAAY,CAACsJ,MAAD,CAAvB,CAnBsF,CAoBtF;;AACA,QAAIpC,EAAJ,EAAQ;AACNA,QAAE,CAAC5X,KAAH,GAAW,KAAX;;AACA,UAAI,CAAC4X,EAAE,CAACO,QAAR,EAAkB;AAChB,YAAI,KAAKsB,iBAAL,CAAuBO,MAAvB,EAA+BpC,EAA/B,EAAmC/iC,WAAnC,EAAgDyzB,SAAhD,CAAJ,EAAgE;AAC9D,eAAKsO,kBAAL;AACA,iBAAO,KAAP;AACD;AACF,OALD,MAKO;AACLj3C,wBAAM,CAACgN,IAAP,CAAY,uCAAZ;AACA,eAAO,KAAP;AACD;AACF;;AAEDhN,oBAAM,CAACC,GAAP,CAAW,gBAAX,EAlCsF,CAmCtF;;AACA,WAAO,IAAP;AACD;AAED;;;;;;;;;;;;SAUA65C,iB,GAAA,2BAAmB/4C,IAAnB,EAAiCk3C,EAAjC,EAA2D/iC,WAA3D,EAAgFyzB,SAAhF,EAA4G;AAC1G,QAAI;AACF,WAAK,IAAIrtC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG28C,EAAE,CAACnjB,QAAH,CAAYn4B,MAAhC,EAAwCrB,CAAC,EAAzC,EAA6C;AAC3C,YAAIg/C,QAAQ,GAAGrC,EAAE,CAACnjB,QAAH,CAAYhnB,KAAZ,CAAkBxS,CAAlB,CAAf;AACA,YAAIi/C,MAAM,GAAGtC,EAAE,CAACnjB,QAAH,CAAYvb,GAAZ,CAAgBje,CAAhB,CAAb;AACA,YAAIk/C,WAAW,GAAGhzC,IAAI,CAACoX,GAAL,CAAS07B,QAAT,EAAmBplC,WAAnB,CAAlB;AACA,YAAIulC,SAAS,GAAGjzC,IAAI,CAACC,GAAL,CAAS8yC,MAAT,EAAiB5R,SAAjB,CAAhB;AAEA;;;;;;AAKA,YAAInhC,IAAI,CAACC,GAAL,CAASgzC,SAAT,EAAoBF,MAApB,IAA8BC,WAA9B,GAA4C,GAAhD,EAAqD;AACnD,cAAIhiB,WAAmB,GAAG,MAA1B;;AACA,cAAI,KAAK7N,KAAT,EAAgB;AACd6N,uBAAW,GAAG,KAAK7N,KAAL,CAAW6N,WAAX,CAAuBnlB,QAAvB,EAAd;AACD;;AAEDrT,0BAAM,CAACC,GAAP,gBAAwBc,IAAxB,UAAiCy5C,WAAjC,SAAgDC,SAAhD,eAAmEH,QAAnE,SAA+EC,MAA/E,eAA+F/hB,WAA/F;AACAyf,YAAE,CAAC7G,MAAH,CAAUoJ,WAAV,EAAuBC,SAAvB;AACA,iBAAO,IAAP;AACD;AACF;AACF,KAvBD,CAuBE,OAAO/5C,KAAP,EAAc;AACdV,sBAAM,CAACgN,IAAP,CAAY,0BAAZ,EAAwCtM,KAAxC;AACD;;AAED,WAAO,KAAP;AACD,G;;;EA/sB4BohB,a;;AAktBhBo0B,wFAAf,E;;;;;;;;AChvBA;;;AAIA;AACA;;IAEMwE,uC;;;;;AACJ,8BAAa34B,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACElhB,iBAAK,CAAC0gB,sBADR,EAEE1gB,iBAAK,CAACme,eAFR,EAGEne,iBAAK,CAACif,eAHR,EAIEjf,iBAAK,CAACwe,aAJR,EAKExe,iBAAK,CAACqe,eALR;AAOA,UAAKy7B,gBAAL,GAAwBzzB,MAAM,CAACghB,iBAA/B;AACA,UAAKyF,UAAL,GAAkB,IAAlB;AACA,UAAK/jB,MAAL,GAAc,EAAd;AACA,UAAKe,KAAL,GAAa,IAAb;AACA,UAAKiwB,gBAAL,GAAwB,EAAxB;AACA,UAAKjO,KAAL,GAAa,IAAb;AAbgB;AAcjB;;;;SAED3tC,O,GAAA,mBAAW;AACT,QAAI,KAAK+iB,GAAL,CAASziB,MAAT,CAAgBu7C,oBAApB,EAA0C;AACxC,WAAKlwB,KAAL,GAAa,IAAb;AACA,WAAKmwB,WAAL;AACD;AACF,G;;SAEDC,qB,GAAA,+BAAuBnhD,IAAvB,EAA6B;AAC3B;AACA,QAAI8gD,kBAAkB,CAACM,cAAnB,CAAkCphD,IAAI,CAACqhD,YAAvC,EAAqD,KAAKL,gBAA1D,CAAJ,EAAiF;AAC/E,WAAKA,gBAAL,CAAsB52C,IAAtB,CAA2BpK,IAAI,CAACqhD,YAAhC;AACD;AACF,G;;SAEDxC,gB,GAAA,0BAAkB7+C,IAAlB,EAAwB;AACtB,SAAK+wB,KAAL,GAAa/wB,IAAI,CAAC+wB,KAAL,YAAsBqC,MAAM,CAACkuB,gBAA7B,GAAgDthD,IAAI,CAAC+wB,KAArD,GAA6D,IAA1E;AACD,G;;SAEDye,gB,GAAA,0BAAkBxvC,IAAlB,EAAwB;AACtB,QAAMmoB,GAAG,GAAG,KAAKA,GAAjB;AACA,SAAK64B,gBAAL,GAAwB,EAAxB;AACA,SAAKhxB,MAAL,GAAchwB,IAAI,CAACgwB,MAAnB;AACA,SAAK+jB,UAAL,GAAkB/zC,IAAI,CAAC+zC,UAAvB;;AACA,QAAI5rB,GAAG,CAACziB,MAAJ,CAAWu7C,oBAAX,IAAmCjhD,IAAI,CAACyS,KAA5C,EAAmD;AACjD;AACA,WAAK8uC,YAAL;AACD;AACF,G,CAED;AACA;;;SACAhC,c,GAAA,wBAAgBv/C,IAAhB,EAAsB;AACpB,QAAMmoB,GAAG,GAAG,KAAKA,GAAjB;;AACA,QAAIA,GAAG,CAACziB,MAAJ,CAAWu7C,oBAAX,IAAmCjhD,IAAI,CAACyS,KAA5C,EAAmD;AACjD;AACA,WAAK8uC,YAAL;AACD;AACF,G;;SAEDC,e,GAAA,yBAAiBxhD,IAAjB,EAAuB;AACrB,SAAKgwB,MAAL,GAAchwB,IAAI,CAACgwB,MAAnB;AACD,G;;SAEDuf,gB,GAAA,4BAAoB;AAClB,SAAK2R,WAAL;AACD,G;;SAEDO,gB,GAAA,4BAAoB;AAClB,QAAI,KAAK1wB,KAAT,EAAgB;AACd,UAAI2wB,YAAY,GAAG,KAAK1xB,MAAL,GAAc,KAAKA,MAAL,CAAYjtB,MAA1B,GAAmC,CAAtD;;AACA,UAAI2+C,YAAJ,EAAkB;AAChB,YAAMv5B,GAAG,GAAG,KAAKA,GAAjB;AACAA,WAAG,CAAC44B,gBAAJ,GAAuB,KAAKY,WAAL,CAAiBD,YAAY,GAAG,CAAhC,CAAvB;;AACA,YAAIv5B,GAAG,CAAC44B,gBAAJ,GAAuB,KAAKA,gBAAhC,EAAkD;AAChD;AACA;AACA54B,aAAG,CAACy5B,gBAAJ,CAAqBnT,eAArB;AACD;;AACD,aAAKsS,gBAAL,GAAwB54B,GAAG,CAAC44B,gBAA5B;AACD;AACF;AACF;AAED;;;;;SAGAY,W,GAAA,qBAAaE,aAAb,EAA4B;AAAA;;AAC1B,QAAI,CAAC,KAAK7xB,MAAV,EAAkB;AAChB,aAAO,CAAC,CAAR;AACD;;AAED,QAAM8xB,WAAW,GAAG,KAAK9xB,MAAL,CAAYI,MAAZ,CAAmB,UAACpF,KAAD,EAAQ1K,KAAR;AAAA,aACrCwgC,kBAAkB,CAACM,cAAnB,CAAkC9gC,KAAlC,EAAyC,MAAI,CAAC0gC,gBAA9C,KAAmE1gC,KAAK,IAAIuhC,aADvC;AAAA,KAAnB,CAApB;AAIA,WAAOf,kBAAkB,CAACiB,sBAAnB,CAA0CD,WAA1C,EAAuD,KAAKE,UAA5D,EAAwE,KAAKC,WAA7E,CAAP;AACD,G;;SAEDV,Y,GAAA,wBAAgB;AACd,QAAI,KAAKxO,KAAT,EAAgB;AACd;AACA;AACD;;AACD,SAAKgO,gBAAL,GAAwBzzB,MAAM,CAACghB,iBAA/B;AACA,SAAKnmB,GAAL,CAAS4rB,UAAT,GAAsB,KAAK4N,WAAL,CAAiB,KAAK5N,UAAtB,CAAtB;AACAzL,iBAAa,CAAC,KAAKyK,KAAN,CAAb;AACA,SAAKA,KAAL,GAAatK,WAAW,CAAC,KAAKgZ,gBAAL,CAAsBtxC,IAAtB,CAA2B,IAA3B,CAAD,EAAmC,IAAnC,CAAxB;AACA,SAAKsxC,gBAAL;AACD,G;;SAEDP,W,GAAA,uBAAe;AACb,SAAKF,gBAAL,GAAwB,EAAxB;AACA,SAAKjN,UAAL,GAAkB,IAAlB;AACA,SAAKgN,gBAAL,GAAwBzzB,MAAM,CAACghB,iBAA/B;;AACA,QAAI,KAAKyE,KAAT,EAAgB;AACd,WAAKA,KAAL,GAAazK,aAAa,CAAC,KAAKyK,KAAN,CAA1B;AACA,WAAKA,KAAL,GAAa,IAAb;AACD;AACF,G;;qBA8BMqO,c,GAAP,wBAAuBp2B,KAAvB,EAA8Bg2B,gBAA9B,EAAqD;AAAA,QAAvBA,gBAAuB;AAAvBA,sBAAuB,GAAJ,EAAI;AAAA;;AACnD,WAAOA,gBAAgB,CAACv4C,OAAjB,CAAyBuiB,KAAzB,MAAoC,CAAC,CAA5C;AACD,G;;qBAEM+2B,sB,GAAP,gCAA+B/xB,MAA/B,EAAuCxf,KAAvC,EAA8CE,MAA9C,EAAsD;AACpD,QAAI,CAACsf,MAAD,IAAYA,MAAM,IAAI,CAACA,MAAM,CAACjtB,MAAlC,EAA2C;AACzC,aAAO,CAAC,CAAR;AACD,KAHmD,CAKpD;AACA;;;AACA,QAAMm/C,mBAAmB,GAAG,SAAtBA,mBAAsB,CAACpS,QAAD,EAAWjB,SAAX,EAAyB;AACnD,UAAI,CAACA,SAAL,EAAgB;AACd,eAAO,IAAP;AACD;;AAED,aAAOiB,QAAQ,CAACt/B,KAAT,KAAmBq+B,SAAS,CAACr+B,KAA7B,IAAsCs/B,QAAQ,CAACp/B,MAAT,KAAoBm+B,SAAS,CAACn+B,MAA3E;AACD,KAND,CAPoD,CAepD;AACA;;;AACA,QAAIyxC,aAAa,GAAGnyB,MAAM,CAACjtB,MAAP,GAAgB,CAApC;;AAEA,SAAK,IAAIrB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGsuB,MAAM,CAACjtB,MAA3B,EAAmCrB,CAAC,IAAI,CAAxC,EAA2C;AACzC,UAAMspB,KAAK,GAAGgF,MAAM,CAACtuB,CAAD,CAApB;;AACA,UAAI,CAACspB,KAAK,CAACxa,KAAN,IAAeA,KAAf,IAAwBwa,KAAK,CAACta,MAAN,IAAgBA,MAAzC,KAAoDwxC,mBAAmB,CAACl3B,KAAD,EAAQgF,MAAM,CAACtuB,CAAC,GAAG,CAAL,CAAd,CAA3E,EAAmG;AACjGygD,qBAAa,GAAGzgD,CAAhB;AACA;AACD;AACF;;AAED,WAAOygD,aAAP;AACD,G;;;;wBA5DiB;AAChB,UAAI3xC,KAAJ;AACA,UAAMugB,KAAK,GAAG,KAAKA,KAAnB;;AACA,UAAIA,KAAJ,EAAW;AACTvgB,aAAK,GAAGugB,KAAK,CAACvgB,KAAN,IAAeugB,KAAK,CAACqxB,WAArB,IAAoCrxB,KAAK,CAACsxB,WAAlD;AACA7xC,aAAK,IAAIswC,kBAAkB,CAACwB,kBAA5B;AACD;;AACD,aAAO9xC,KAAP;AACD;;;wBAEkB;AACjB,UAAIE,MAAJ;AACA,UAAMqgB,KAAK,GAAG,KAAKA,KAAnB;;AACA,UAAIA,KAAJ,EAAW;AACTrgB,cAAM,GAAGqgB,KAAK,CAACrgB,MAAN,IAAgBqgB,KAAK,CAACwxB,YAAtB,IAAsCxxB,KAAK,CAACyxB,YAArD;AACA9xC,cAAM,IAAIowC,kBAAkB,CAACwB,kBAA7B;AACD;;AACD,aAAO5xC,MAAP;AACD;;;wBAEgC;AAC/B,UAAIJ,UAAU,GAAG,CAAjB;;AACA,UAAI;AACFA,kBAAU,GAAG8iB,MAAM,CAACqvB,gBAApB;AACD,OAFD,CAEE,OAAO18C,CAAP,EAAU,CAAE;;AACd,aAAOuK,UAAP;AACD;;;;EA/I8B4X,a;;AAoLlB44B,gGAAf,E;;;;AC3LA;;;AAIA;AACA;AACA;4BAEwB1tB,M;IAAhB9W,0B,yBAAAA,W;;IAEFomC,4B;;;;;AACJ,yBAAav6B,GAAb,EAAkB;AAAA,WAChB,yBAAMA,GAAN,EAAWlhB,iBAAK,CAACme,eAAjB,CADgB;AAEjB;;;;SAEDhgB,O,GAAA,mBAAW;AACT,QAAI,KAAK2tC,KAAT,EAAgB;AACdzK,mBAAa,CAAC,KAAKyK,KAAN,CAAb;AACD;;AAED,SAAK4P,+BAAL,GAAuC,KAAvC;AACD,G;;SAED9D,gB,GAAA,0BAAkB7+C,IAAlB,EAAwB;AACtB,QAAM0F,MAAM,GAAG,KAAKyiB,GAAL,CAASziB,MAAxB;;AACA,QAAIA,MAAM,CAACk9C,iBAAX,EAA8B;AAC5B,UAAMnwC,KAAK,GAAG,KAAKA,KAAL,GAAazS,IAAI,CAAC+wB,KAAL,YAAsBqC,MAAM,CAACkuB,gBAA7B,GAAgDthD,IAAI,CAAC+wB,KAArD,GAA6D,IAAxF;;AACA,UAAI,OAAOte,KAAK,CAACowC,uBAAb,KAAyC,UAA7C,EAAyD;AACvD,aAAKF,+BAAL,GAAuC,IAAvC;AACD;;AAEDra,mBAAa,CAAC,KAAKyK,KAAN,CAAb;AACA,WAAKA,KAAL,GAAatK,WAAW,CAAC,KAAKqa,gBAAL,CAAsB3yC,IAAtB,CAA2B,IAA3B,CAAD,EAAmCzK,MAAM,CAACq9C,0BAA1C,CAAxB;AACD;AACF,G;;SAEDC,Q,GAAA,kBAAUvwC,KAAV,EAAiBwwC,aAAjB,EAAgCC,aAAhC,EAA+C;AAC7C,QAAItkB,WAAW,GAAGtiB,0BAAW,CAACD,GAAZ,EAAlB;;AACA,QAAI4mC,aAAJ,EAAmB;AACjB,UAAI,KAAKE,QAAT,EAAmB;AACjB,YAAIC,aAAa,GAAGxkB,WAAW,GAAG,KAAKukB,QAAvC;AAAA,YACEE,cAAc,GAAGH,aAAa,GAAG,KAAKI,iBADxC;AAAA,YAEEC,cAAc,GAAGN,aAAa,GAAG,KAAKO,iBAFxC;AAAA,YAGEC,UAAU,GAAG,OAAOJ,cAAP,GAAwBD,aAHvC;AAAA,YAIEj7B,GAAG,GAAG,KAAKA,GAJb;AAKAA,WAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAACygB,QAAlB,EAA4B;AAAE27B,wBAAc,EAAEA,cAAlB;AAAkCE,wBAAc,EAAEA,cAAlD;AAAkEG,4BAAkB,EAAER;AAAtF,SAA5B;;AACA,YAAIO,UAAU,GAAG,CAAjB,EAAoB;AAClB;AACA,cAAIJ,cAAc,GAAGl7B,GAAG,CAACziB,MAAJ,CAAWi+C,6BAAX,GAA2CJ,cAAhE,EAAgF;AAC9E,gBAAIrT,YAAY,GAAG/nB,GAAG,CAAC+nB,YAAvB;AACA9pC,4BAAM,CAACgN,IAAP,CAAY,qEAAqE88B,YAAjF;;AACA,gBAAIA,YAAY,GAAG,CAAf,KAAqB/nB,GAAG,CAAC44B,gBAAJ,KAAyB,CAAC,CAA1B,IAA+B54B,GAAG,CAAC44B,gBAAJ,IAAwB7Q,YAA5E,CAAJ,EAA+F;AAC7FA,0BAAY,GAAGA,YAAY,GAAG,CAA9B;AACA/nB,iBAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAAC0gB,sBAAlB,EAA0C;AAAEqD,qBAAK,EAAEklB,YAAT;AAAuBmR,4BAAY,EAAEl5B,GAAG,CAAC+nB;AAAzC,eAA1C;AACA/nB,iBAAG,CAAC44B,gBAAJ,GAAuB7Q,YAAvB;AACA/nB,iBAAG,CAACy5B,gBAAJ,CAAqBnT,eAArB;AACD;AACF;AACF;AACF;;AACD,WAAK0U,QAAL,GAAgBvkB,WAAhB;AACA,WAAK0kB,iBAAL,GAAyBJ,aAAzB;AACA,WAAKM,iBAAL,GAAyBP,aAAzB;AACD;AACF,G;;SAEDH,gB,GAAA,4BAAoB;AAClB,QAAMrwC,KAAK,GAAG,KAAKA,KAAnB;;AACA,QAAIA,KAAJ,EAAW;AACT,UAAI,KAAKkwC,+BAAT,EAA0C;AACxC,YAAIiB,oBAAoB,GAAGnxC,KAAK,CAACowC,uBAAN,EAA3B;AACA,aAAKG,QAAL,CAAcvwC,KAAd,EAAqBmxC,oBAAoB,CAACC,gBAA1C,EAA4DD,oBAAoB,CAACE,kBAAjF;AACD,OAHD,MAGO;AACL,aAAKd,QAAL,CAAcvwC,KAAd,EAAqBA,KAAK,CAACsxC,uBAA3B,EAAoDtxC,KAAK,CAACuxC,uBAA1D;AACD;AACF;AACF,G;;;EAlEyB97B,a;;AAqEbw6B,+EAAf,E;;AC/EA;;;AAIA;wBAEwCtvB,M;IAAhC9W,sB,qBAAAA,W;IAAa2nC,yB,qBAAAA,c;;IAEfC,oB;;;AACJ,qBAAax+C,MAAb,EAAqB;AACnB,QAAIA,MAAM,IAAIA,MAAM,CAACy+C,QAArB,EAA+B;AAC7B,WAAKA,QAAL,GAAgBz+C,MAAM,CAACy+C,QAAvB;AACD;AACF;;;;SAED/+C,O,GAAA,mBAAW;AACT,SAAK+vB,KAAL;AACA,SAAKjK,MAAL,GAAc,IAAd;AACD,G;;SAEDiK,K,GAAA,iBAAS;AACP,QAAIjK,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAIA,MAAM,IAAIA,MAAM,CAAC8hB,UAAP,KAAsB,CAApC,EAAuC;AACrC,WAAK/vB,KAAL,CAAWi9B,OAAX,GAAqB,IAArB;AACAhvB,YAAM,CAACiK,KAAP;AACD;;AAED/B,UAAM,CAACuV,YAAP,CAAoB,KAAKyb,cAAzB;AACA,SAAKA,cAAL,GAAsB,IAAtB;AACAhxB,UAAM,CAACuV,YAAP,CAAoB,KAAK0b,YAAzB;AACA,SAAKA,YAAL,GAAoB,IAApB;AACD,G;;SAED3vB,I,GAAA,cAAMf,OAAN,EAAejuB,MAAf,EAAuB4+C,SAAvB,EAAkC;AAChC,SAAK3wB,OAAL,GAAeA,OAAf;AACA,SAAKjuB,MAAL,GAAcA,MAAd;AACA,SAAK4+C,SAAL,GAAiBA,SAAjB;AACA,SAAKrnC,KAAL,GAAa;AAAE63B,cAAQ,EAAEx4B,sBAAW,CAACD,GAAZ,EAAZ;AAA+BkoC,WAAK,EAAE;AAAtC,KAAb;AACA,SAAKjvB,UAAL,GAAkB5vB,MAAM,CAAC4vB,UAAzB;AACA,SAAKkvB,YAAL;AACD,G;;SAEDA,Y,GAAA,wBAAgB;AACd,QAAIC,GAAJ;AAAA,QAAS9wB,OAAO,GAAG,KAAKA,OAAxB;AACA8wB,OAAG,GAAG,KAAKv5B,MAAL,GAAc,IAAI+4B,yBAAJ,EAApB;AAEA,QAAIhnC,KAAK,GAAG,KAAKA,KAAjB;AACAA,SAAK,CAAC00B,MAAN,GAAe,CAAf;AACA10B,SAAK,CAACgc,MAAN,GAAe,CAAf;AACA,QAAMkrB,QAAQ,GAAG,KAAKA,QAAtB;;AAEA,QAAI;AACF,UAAIA,QAAJ,EAAc;AACZ,YAAI;AACFA,kBAAQ,CAACM,GAAD,EAAM9wB,OAAO,CAACnT,GAAd,CAAR;AACD,SAFD,CAEE,OAAOza,CAAP,EAAU;AACV;AACA;AACA0+C,aAAG,CAACC,IAAJ,CAAS,KAAT,EAAgB/wB,OAAO,CAACnT,GAAxB,EAA6B,IAA7B;AACA2jC,kBAAQ,CAACM,GAAD,EAAM9wB,OAAO,CAACnT,GAAd,CAAR;AACD;AACF;;AACD,UAAI,CAACikC,GAAG,CAACzX,UAAT,EAAqB;AACnByX,WAAG,CAACC,IAAJ,CAAS,KAAT,EAAgB/wB,OAAO,CAACnT,GAAxB,EAA6B,IAA7B;AACD;AACF,KAdD,CAcE,OAAOza,CAAP,EAAU;AACV;AACA,WAAKu+C,SAAL,CAAeluB,OAAf,CAAuB;AAAEkqB,YAAI,EAAEmE,GAAG,CAACE,MAAZ;AAAoB/xC,YAAI,EAAE7M,CAAC,CAACgB;AAA5B,OAAvB,EAA8D4sB,OAA9D,EAAuE8wB,GAAvE;AACA;AACD;;AAED,QAAI9wB,OAAO,CAACiE,QAAZ,EAAsB;AACpB6sB,SAAG,CAACG,gBAAJ,CAAqB,OAArB,EAA8B,WAAWjxB,OAAO,CAACgE,UAAnB,GAAgC,GAAhC,IAAuChE,OAAO,CAACiE,QAAR,GAAmB,CAA1D,CAA9B;AACD;;AAED6sB,OAAG,CAACI,kBAAJ,GAAyB,KAAKC,gBAAL,CAAsB30C,IAAtB,CAA2B,IAA3B,CAAzB;AACAs0C,OAAG,CAACM,UAAJ,GAAiB,KAAKxrB,YAAL,CAAkBppB,IAAlB,CAAuB,IAAvB,CAAjB;AACAs0C,OAAG,CAAC7vB,YAAJ,GAAmBjB,OAAO,CAACiB,YAA3B,CAnCc,CAqCd;;AACA,SAAKwvB,cAAL,GAAsBhxB,MAAM,CAACyV,UAAP,CAAkB,KAAKtS,WAAL,CAAiBpmB,IAAjB,CAAsB,IAAtB,CAAlB,EAA+C,KAAKzK,MAAL,CAAY2vB,OAA3D,CAAtB;AACAovB,OAAG,CAACO,IAAJ;AACD,G;;SAEDF,gB,GAAA,0BAAkBjnC,KAAlB,EAAyB;AACvB,QAAI4mC,GAAG,GAAG5mC,KAAK,CAAConC,aAAhB;AAAA,QACEjY,UAAU,GAAGyX,GAAG,CAACzX,UADnB;AAAA,QAEE/vB,KAAK,GAAG,KAAKA,KAFf;AAAA,QAGE0W,OAAO,GAAG,KAAKA,OAHjB;AAAA,QAIEjuB,MAAM,GAAG,KAAKA,MAJhB,CADuB,CAOvB;;AACA,QAAIuX,KAAK,CAACi9B,OAAV,EAAmB;AACjB;AACD,KAVsB,CAYvB;;;AACA,QAAIlN,UAAU,IAAI,CAAlB,EAAqB;AACnB;AACA5Z,YAAM,CAACuV,YAAP,CAAoB,KAAKyb,cAAzB;;AACA,UAAInnC,KAAK,CAAC00B,MAAN,KAAiB,CAArB,EAAwB;AACtB10B,aAAK,CAAC00B,MAAN,GAAe/jC,IAAI,CAACoX,GAAL,CAAS1I,sBAAW,CAACD,GAAZ,EAAT,EAA4BY,KAAK,CAAC63B,QAAlC,CAAf;AACD;;AAED,UAAI9H,UAAU,KAAK,CAAnB,EAAsB;AACpB,YAAI2X,MAAM,GAAGF,GAAG,CAACE,MAAjB,CADoB,CAEpB;;AACA,YAAIA,MAAM,IAAI,GAAV,IAAiBA,MAAM,GAAG,GAA9B,EAAmC;AACjC1nC,eAAK,CAAC2Z,KAAN,GAAchpB,IAAI,CAACoX,GAAL,CAAS/H,KAAK,CAAC00B,MAAf,EAAuBr1B,sBAAW,CAACD,GAAZ,EAAvB,CAAd;AACA,cAAIrc,IAAJ,EAAUiL,GAAV;;AACA,cAAI0oB,OAAO,CAACiB,YAAR,KAAyB,aAA7B,EAA4C;AAC1C50B,gBAAI,GAAGykD,GAAG,CAAC1wB,QAAX;AACA9oB,eAAG,GAAGjL,IAAI,CAACS,UAAX;AACD,WAHD,MAGO;AACLT,gBAAI,GAAGykD,GAAG,CAACS,YAAX;AACAj6C,eAAG,GAAGjL,IAAI,CAAC+C,MAAX;AACD;;AACDka,eAAK,CAACgc,MAAN,GAAehc,KAAK,CAACy0B,KAAN,GAAczmC,GAA7B;AACA,cAAI8oB,QAAQ,GAAG;AAAEvT,eAAG,EAAEikC,GAAG,CAACU,WAAX;AAAwBnlD,gBAAI,EAAEA;AAA9B,WAAf;AACA,eAAKskD,SAAL,CAAepuB,SAAf,CAAyBnC,QAAzB,EAAmC9W,KAAnC,EAA0C0W,OAA1C,EAAmD8wB,GAAnD;AACD,SAbD,MAaO;AACL;AACA,cAAIxnC,KAAK,CAACsnC,KAAN,IAAe7+C,MAAM,CAAC0vB,QAA1B,EAAoC;AAClChvB,4BAAM,CAACU,KAAP,CAAgB69C,MAAhB,uBAAwChxB,OAAO,CAACnT,GAAhD;AACA,iBAAK8jC,SAAL,CAAeluB,OAAf,CAAuB;AAAEkqB,kBAAI,EAAEqE,MAAR;AAAgB/xC,kBAAI,EAAE6xC,GAAG,CAACW;AAA1B,aAAvB,EAA+DzxB,OAA/D,EAAwE8wB,GAAxE;AACD,WAHD,MAGO;AACL;AACAr+C,4BAAM,CAACgN,IAAP,CAAeuxC,MAAf,uBAAuChxB,OAAO,CAACnT,GAA/C,sBAAmE,KAAK8U,UAAxE,UAFK,CAGL;;AACA,iBAAKlwB,OAAL,GAJK,CAKL;;AACA,iBAAKi/C,YAAL,GAAoBjxB,MAAM,CAACyV,UAAP,CAAkB,KAAK2b,YAAL,CAAkBr0C,IAAlB,CAAuB,IAAvB,CAAlB,EAAgD,KAAKmlB,UAArD,CAApB,CANK,CAOL;;AACA,iBAAKA,UAAL,GAAkB1nB,IAAI,CAACC,GAAL,CAAS,IAAI,KAAKynB,UAAlB,EAA8B5vB,MAAM,CAAC6vB,aAArC,CAAlB;AACAtY,iBAAK,CAACsnC,KAAN;AACD;AACF;AACF,OAjCD,MAiCO;AACL;AACA,aAAKH,cAAL,GAAsBhxB,MAAM,CAACyV,UAAP,CAAkB,KAAKtS,WAAL,CAAiBpmB,IAAjB,CAAsB,IAAtB,CAAlB,EAA+CzK,MAAM,CAAC2vB,OAAtD,CAAtB;AACD;AACF;AACF,G;;SAEDkB,W,GAAA,uBAAe;AACbnwB,oBAAM,CAACgN,IAAP,4BAAqC,KAAKugB,OAAL,CAAanT,GAAlD;AACA,SAAK8jC,SAAL,CAAehuB,SAAf,CAAyB,KAAKrZ,KAA9B,EAAqC,KAAK0W,OAA1C,EAAmD,IAAnD;AACD,G;;SAED4F,Y,GAAA,sBAAc1b,KAAd,EAAqB;AACnB,QAAI4mC,GAAG,GAAG5mC,KAAK,CAAConC,aAAhB;AAAA,QACEhoC,KAAK,GAAG,KAAKA,KADf;AAGAA,SAAK,CAACgc,MAAN,GAAepb,KAAK,CAACob,MAArB;;AACA,QAAIpb,KAAK,CAACwnC,gBAAV,EAA4B;AAC1BpoC,WAAK,CAACy0B,KAAN,GAAc7zB,KAAK,CAAC6zB,KAApB;AACD;;AAED,QAAIpY,UAAU,GAAG,KAAKgrB,SAAL,CAAehrB,UAAhC;;AACA,QAAIA,UAAJ,EAAgB;AACd;AACAA,gBAAU,CAACrc,KAAD,EAAQ,KAAK0W,OAAb,EAAsB,IAAtB,EAA4B8wB,GAA5B,CAAV;AACD;AACF,G;;;;;AAGYP,mEAAf,E;;;;;;;;ACtKA;AACA;AACA;AACA;AAEA;;;;;;;;;;;;;;;;;;;;;;IAqBMoB,2C;;;;;AACJ,gCAAan9B,GAAb,EAAkB;AAAA;;AAChB,iCAAMA,GAAN,EACElhB,iBAAK,CAAC+e,gBADR,EAEE/e,iBAAK,CAACif,eAFR,EAGEjf,iBAAK,CAAC6f,kBAHR,EAIE7f,iBAAK,CAAC2f,oBAJR,EAKE3f,iBAAK,CAACqf,YALR,EAMErf,iBAAK,CAACC,KANR;AASA;;;;;;AAKA,UAAKq+C,QAAL,GAAgB,CAAC,CAAjB;AAEA;;;;;;AAKA,UAAKC,mBAAL,GAA2B,IAA3B;AAEA;;;;;;AAKA,UAAK7jC,MAAL,GAAc,EAAd;AAEA;;;;;;AAKA,UAAK8jC,gBAAL,GAAwBhrB,MAAM,CAACC,MAAP,CAAc,IAAd,CAAxB;AAEA;;;;;;;AAMA,UAAKqa,YAAL,GAAoB,IAApB;AA5CgB;AA6CjB;AAED;;;;;;;SAGAtgB,iB,GAAA,6BAAqB;AACnB,SAAK9S,MAAL,GAAc,EAAd;AACA,SAAK4jC,QAAL,GAAgB,CAAC,CAAjB;AACA,SAAKC,mBAAL,GAA2B,IAA3B;AACD;AAED;;;;;;;;;SAOAhW,gB,GAAA,0BAAkBxvC,IAAlB,EAAwB;AACtB,QAAM2hB,MAAM,GAAG,KAAKA,MAAL,GAAc3hB,IAAI,CAACi3B,WAAL,IAAoB,EAAjD;AACA,SAAK9O,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACyf,oBAAvB,EAA6C;AAAEuQ,iBAAW,EAAEtV;AAAf,KAA7C;;AAEA,SAAK+jC,iBAAL,CAAuB,KAAKv9B,GAAL,CAASmjB,aAAhC;AACD;AAED;;;;;;;;;SAOAqa,kB,GAAA,4BAAoB3lD,IAApB,EAA0B;AACxB,QAAIA,IAAI,CAAC8K,EAAL,IAAW,KAAK6W,MAAL,CAAY5e,MAA3B,EAAmC;AACjCqD,sBAAM,CAACgN,IAAP,CAAY,yBAAZ,EAAuCpT,IAAI,CAAC8K,EAA5C;AACA;AACD;;AAED1E,oBAAM,CAACC,GAAP,iBAAyBrG,IAAI,CAAC8K,EAA9B;AAEA,SAAK6W,MAAL,CAAY3hB,IAAI,CAAC8K,EAAjB,EAAqBxD,OAArB,GAA+BtH,IAAI,CAACsH,OAApC,CARwB,CAUxB;AACA;;AACA,QAAItH,IAAI,CAACsH,OAAL,CAAa+kB,IAAb,IAAqB,CAAC,KAAKkc,WAAL,EAA1B,EAA8C;AAC5C;AACA;AACA,UAAMqd,cAAc,GAAG5lD,IAAI,CAACsH,OAAL,CAAaolB,cAAb,GAA8B,IAArD;AACA,WAAK+b,WAAL,CAAiBmd,cAAjB;AACD;;AAED,QAAI,CAAC5lD,IAAI,CAACsH,OAAL,CAAa+kB,IAAd,IAAsB,KAAKkc,WAAL,EAA1B,EAA8C;AAC5C;AACA,WAAKD,aAAL;AACD;AACF;AAED;;;;;;;;;;SAQA8I,oB,GAAA,8BAAsBpxC,IAAtB,EAA4B;AAC1B,QAAM+0C,YAAY,GAAG,KAAKpzB,MAAL,CAAY3hB,IAAI,CAAC8K,EAAjB,EAAqBkmB,OAA1C;;AACA,QAAI+jB,YAAY,IAAK,KAAKA,YAAL,KAAsBA,YAA3C,EAA0D;AACxD,WAAKA,YAAL,GAAoBA,YAApB;AACD;AACF;AAED;;;;;;;;;;;SASAnF,a,GAAA,uBAAe5vC,IAAf,EAAqB;AACnB,SAAK0lD,iBAAL,CAAuB1lD,IAAI,CAACgrB,KAA5B;AACD;AAED;;;;;;;;SAMAoL,O,GAAA,iBAASp2B,IAAT,EAAe;AACb;AACA,QAAIA,IAAI,CAACmH,IAAL,KAAcC,oBAAU,CAAC6wB,aAA7B,EAA4C;AAC1C;AACD,KAJY,CAMb;;;AACA,QAAIj4B,IAAI,CAACyH,KAAT,EAAgB;AACd,WAAK6gC,aAAL;AACD,KATY,CAWb;;;AACA,QAAItoC,IAAI,CAACsH,OAAL,KAAiBC,sBAAY,CAACixB,sBAAlC,EAA0D;AACxD;AACD;;AAEDpyB,oBAAM,CAACgN,IAAP,CAAY,oCAAZ,EAAkDpT,IAAI,CAAC2zB,OAAL,CAAa7oB,EAA/D;;AACA,SAAK+6C,gBAAL;AACD;AAED;;;;;AAuBA;;;;SAIAC,c,GAAA,wBAAgBC,KAAhB,EAAuB;AACrB;AACA,QAAI,KAAKR,QAAL,KAAkBQ,KAAlB,IAA2B,KAAKpkC,MAAL,CAAY,KAAK4jC,QAAjB,EAA2Bj+C,OAA1D,EAAmE;AACjElB,sBAAM,CAAC6R,KAAP,CAAa,6EAAb;AACA;AACD,KALoB,CAOrB;;;AACA,QAAI8tC,KAAK,GAAG,CAAR,IAAaA,KAAK,IAAI,KAAKpkC,MAAL,CAAY5e,MAAtC,EAA8C;AAC5CqD,sBAAM,CAACgN,IAAP,CAAY,6CAAZ;AACA;AACD;;AAED,QAAMoB,UAAU,GAAG,KAAKmN,MAAL,CAAYokC,KAAZ,CAAnB;AAEA3/C,oBAAM,CAACC,GAAP,yCAAiD0/C,KAAjD,EAfqB,CAiBrB;;AACA,SAAKzd,aAAL;AACA,SAAKid,QAAL,GAAgBQ,KAAhB;AAnBqB,QAqBbvlC,GArBa,GAqBKhM,UArBL,CAqBbgM,GArBa;AAAA,QAqBRrZ,IArBQ,GAqBKqN,UArBL,CAqBRrN,IArBQ;AAAA,QAqBF2D,EArBE,GAqBK0J,UArBL,CAqBF1J,EArBE;AAsBrB,SAAKqd,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAAC0f,qBAAvB,EAA8C;AAAE7b,QAAE,EAAFA,EAAF;AAAM3D,UAAI,EAAJA,IAAN;AAAYqZ,SAAG,EAAHA;AAAZ,KAA9C;;AACA,SAAKwlC,yBAAL,CAA+BxxC,UAA/B;AACD;AAED;;;;;SAGAo0B,M,GAAA,kBAAU;AACR,SAAKqd,YAAL,CAAkB,KAAKV,QAAvB;AACD;AAED;;;;;;SAIAG,iB,GAAA,2BAAmBruB,OAAnB,EAA4B;AAC1B,QAAMyU,SAAS,GAAG,KAAK3jB,GAAL,CAAS6H,MAAT,CAAgBqH,OAAhB,CAAlB;;AAEA,QAAI,CAACyU,SAAD,IAAc,CAACA,SAAS,CAACvL,aAA7B,EAA4C;AAC1C;AACD;;AAED,QAAMwU,YAAY,GAAGjJ,SAAS,CAACvL,aAAV,CAAwBuL,SAAS,CAAC/gB,KAAlC,CAArB;;AACA,QAAI,KAAKgqB,YAAL,KAAsBA,YAA1B,EAAwC;AACtC,WAAKA,YAAL,GAAoBA,YAApB;;AACA,WAAKmR,wBAAL;AACD;AACF;AAED;;;;;;SAIAA,wB,GAAA,oCAA4B;AAAA;;AAC1B,QAAIvkC,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAI,CAACA,MAAM,CAAC5e,MAAZ,EAAoB;AAClB;AACD;;AAED,QAAMojD,iBAAiB,GAAG,KAAKxkC,MAAL,CAAY,KAAK4jC,QAAjB,CAA1B;AAEA,QAAIrlD,IAAI,GAAG,IAAX;;AACA,QAAIimD,iBAAJ,EAAuB;AACrBjmD,UAAI,GAAGimD,iBAAiB,CAACjmD,IAAzB;AACD,KAXyB,CAa1B;;;AACA,QAAI,KAAKslD,mBAAT,EAA8B;AAC5B,UAAMY,aAAa,GAAGzkC,MAAM,CAACyO,MAAP,CAAc,UAAC9mB,KAAD;AAAA,eAAWA,KAAK,CAAC4nB,OAAjB;AAAA,OAAd,CAAtB;;AACA,UAAIk1B,aAAa,CAACrjD,MAAlB,EAA0B;AACxB4e,cAAM,GAAGykC,aAAT;AACD,OAFD,MAEO;AACLhgD,wBAAM,CAACgN,IAAP,CAAY,iCAAZ;AACD;AACF;;AAED,QAAIizC,UAAU,GAAG,KAAjB;;AAEA,QAAMC,cAAc,GAAG,SAAjBA,cAAiB,GAAM;AAC3B;AACA3kC,YAAM,CAACnJ,OAAP,CAAe,UAAClP,KAAD,EAAW;AACxB,YAAI+8C,UAAJ,EAAgB;AACd;AACD,SAHuB,CAIxB;AACA;;;AACA,YAAI,CAAC,CAAC,MAAI,CAACtR,YAAN,IAAsBzrC,KAAK,CAAC0nB,OAAN,KAAkB,MAAI,CAAC+jB,YAA9C,MACD,CAAC70C,IAAD,IAASA,IAAI,KAAKoJ,KAAK,CAACpJ,IADvB,CAAJ,EACkC;AAChC;AACA;AACA,gBAAI,CAAC4lD,cAAL,CAAoBx8C,KAAK,CAACwB,EAA1B;;AACAu7C,oBAAU,GAAG,IAAb;AACD;AACF,OAbD;AAcD,KAhBD;;AAkBAC,kBAAc;;AAEd,QAAI,CAACD,UAAL,EAAiB;AACfnmD,UAAI,GAAG,IAAP;AACAomD,oBAAc;AACf;;AAED,QAAI,CAACD,UAAL,EAAiB;AACfjgD,sBAAM,CAACU,KAAP,iDAA2D,KAAKiuC,YAAhE;AAEA,WAAK5sB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,YAAI,EAAEC,oBAAU,CAACC,WADW;AAE5BC,eAAO,EAAEC,sBAAY,CAACixB,sBAFM;AAG5B/wB,aAAK,EAAE;AAHqB,OAA9B;AAKD;AACF;AAED;;;;;;;SAKA8+C,kB,GAAA,4BAAoB/xC,UAApB,EAAgC;AAAA,QACtBlN,OADsB,GACLkN,UADK,CACtBlN,OADsB;AAAA,QACbkZ,GADa,GACLhM,UADK,CACbgM,GADa;;AAG9B,QAAI,CAAClZ,OAAD,IAAYA,OAAO,CAAC+kB,IAAxB,EAA8B;AAC5B;AACA,aAAO,CAAC,CAAC7L,GAAT;AACD;;AAED,WAAO,KAAP;AACD;AAED;;;;;;SAIAwlC,yB,GAAA,mCAA2BxxC,UAA3B,EAAuC;AACrC,QAAI,KAAK+xC,kBAAL,CAAwB/xC,UAAxB,CAAJ,EAAyC;AAAA,UAC/BgM,GAD+B,GACnBhM,UADmB,CAC/BgM,GAD+B;AAAA,UAC1B1V,EAD0B,GACnB0J,UADmB,CAC1B1J,EAD0B,EAEvC;;AACA1E,sBAAM,CAACC,GAAP,2CAAmDyE,EAAnD;AACA,WAAKqd,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAAC4f,mBAAvB,EAA4C;AAAErG,WAAG,EAAHA,GAAF;AAAO1V,UAAE,EAAFA;AAAP,OAA5C;AACD;AACF;AAED;;;;;;SAIAm7C,Y,GAAA,sBAAcF,KAAd,EAAqB;AACnB;AACA,QAAIA,KAAK,GAAG,CAAR,IAAaA,KAAK,IAAI,KAAKpkC,MAAL,CAAY5e,MAAtC,EAA8C;AAC5C;AACD,KAJkB,CAMnB;;;AACA,SAAKulC,aAAL;AACA,SAAKid,QAAL,GAAgBQ,KAAhB;AACA3/C,oBAAM,CAACC,GAAP,mCAA2C0/C,KAA3C;AACA,QAAMvxC,UAAU,GAAG,KAAKmN,MAAL,CAAYokC,KAAZ,CAAnB;;AACA,SAAKC,yBAAL,CAA+BxxC,UAA/B;AACD;AAED;;;;;SAGAqxC,gB,GAAA,4BAAoB;AAClB;AACA,SAAKJ,gBAAL,CAAsB,KAAKF,QAA3B,IAAuC,IAAvC,CAFkB,CAIlB;;AACA,QAAMiB,UAAU,GAAG,KAAKjB,QAAxB;AALkB,gCAMkB,KAAK5jC,MAAL,CAAY6kC,UAAZ,CANlB;AAAA,QAMVtmD,IANU,yBAMVA,IANU;AAAA,QAMJumD,QANI,yBAMJA,QANI;AAAA,QAMMz1B,OANN,yBAMMA,OANN;AAQlB5qB,oBAAM,CAACgN,IAAP,wCAAiDozC,UAAjD,oBAA0Ex1B,OAA1E,2BAAsG9wB,IAAtG,eAAkHumD,QAAlH,SARkB,CAUlB;AACA;;AACA,QAAIV,KAAK,GAAGS,UAAZ;;AACA,SAAK,IAAI9kD,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG,KAAKigB,MAAL,CAAY5e,MAAhC,EAAwCrB,CAAC,EAAzC,EAA6C;AAC3C,UAAI,KAAK+jD,gBAAL,CAAsB/jD,CAAtB,CAAJ,EAA8B;AAC5B;AACD;;AACD,UAAMglD,QAAQ,GAAG,KAAK/kC,MAAL,CAAYjgB,CAAZ,CAAjB;;AACA,UAAIglD,QAAQ,CAACxmD,IAAT,KAAkBA,IAAtB,EAA4B;AAC1B6lD,aAAK,GAAGrkD,CAAR;AACA;AACD;AACF;;AAED,QAAIqkD,KAAK,KAAKS,UAAd,EAA0B;AACxBpgD,sBAAM,CAACgN,IAAP,yDAAiElT,IAAjE,eAA6EumD,QAA7E;AACA;AACD;;AAEDrgD,oBAAM,CAACC,GAAP,CAAW,qCAAX,EAAkD0/C,KAAlD,EAAyD,WAAzD,EAAsE,KAAKpkC,MAAL,CAAYokC,KAAZ,EAAmB/0B,OAAzF;;AAEA,SAAK80B,cAAL,CAAoBC,KAApB;AACD,G;;;;wBA9NkB;AACjB,aAAO,KAAKpkC,MAAZ;AACD;AAED;;;;;;wBAGkB;AAChB,aAAO,KAAK4jC,QAAZ;AACD;AAED;;;;sBAGgBQ,K,EAAO;AACrB,WAAKD,cAAL,CAAoBC,KAApB,EADqB,CAErB;;;AACA,WAAKP,mBAAL,GAA2B,KAA3B;AACD;;;;EAlLgCzd,Q;;AAiYpBud,sGAAf,E;;;;;;;;;;;;AC3ZA;;;AAIA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;qCACwBlyB,M;IAAhB9W,mC,kCAAAA,W;AAER,IAAMuuB,qCAAa,GAAG,GAAtB,C,CAA2B;;IAErB8b,6C;;;;;AACJ,iCAAax+B,GAAb,EAAkBwd,eAAlB,EAAmC;AAAA;;AACjC,6CAAMxd,GAAN,EACElhB,iBAAK,CAACoe,cADR,EAEEpe,iBAAK,CAACqe,eAFR,EAGEre,iBAAK,CAACyf,oBAHR,EAIEzf,iBAAK,CAAC0f,qBAJR,EAKE1f,iBAAK,CAAC6f,kBALR,EAME7f,iBAAK,CAAC6gB,UANR,EAOE7gB,iBAAK,CAACsgB,WAPR,EAQEtgB,iBAAK,CAACyX,yBARR,EASEzX,iBAAK,CAAC4U,iBATR,EAUE5U,iBAAK,CAACmV,WAVR,EAWEnV,iBAAK,CAACC,KAXR,EAYED,iBAAK,CAACue,YAZR,EAaEve,iBAAK,CAACye,cAbR,EAcEze,iBAAK,CAAC2e,eAdR,EAeE3e,iBAAK,CAAC8e,cAfR,EAgBE9e,iBAAK,CAAC4X,cAhBR;AAiBA,UAAK8mB,eAAL,GAAuBA,eAAvB;AACA,UAAKjgC,MAAL,GAAcyiB,GAAG,CAACziB,MAAlB;AACA,UAAKqlC,cAAL,GAAsB,KAAtB;AACA,UAAKC,MAAL,GAAclC,KAAK,CAACC,OAApB;AACA,UAAKvnB,OAAL,GAAe,EAAf;AACA,UAAKolC,eAAL,GAAuB,IAAvB;AACA,UAAKC,YAAL,GAAoB,IAApB;AAxBiC;AAyBlC,G,CAED;;;;;SACAC,c,GAAA,wBAAgB9mD,IAAhB,EAAsB;AACpB,QAAI+mD,SAAS,GAAG/mD,IAAI,CAAC8K,EAArB;AAAA,QAAyB6f,EAAE,GAAG3qB,IAAI,CAAC+W,IAAL,CAAU4T,EAAxC;AAAA,QAA4CnJ,OAAO,GAAGxhB,IAAI,CAACwhB,OAA3D;;AACA,QAAIulC,SAAS,KAAK,MAAlB,EAA0B;AACxB;AACA;AACA,WAAKvlC,OAAL,CAAamJ,EAAb,IAAmBnJ,OAAnB;AACA,WAAKqlC,YAAL,GAAoBl8B,EAApB;AACAvkB,sBAAM,CAACC,GAAP,sBAA8BskB,EAA9B,iCAA4DnJ,OAA5D,EALwB,CAOxB;AACA;;AACA,UAAI,KAAK7G,KAAL,KAAemuB,KAAK,CAACU,gBAAzB,EAA2C;AACzC,aAAKpB,IAAL;AACD;AACF;AACF,G;;SAEDuB,S,GAAA,mBAAWY,aAAX,EAA0B;AACxB,QAAI,KAAK5oB,MAAT,EAAiB;AACf,UAAIukB,eAAe,GAAG,KAAKA,eAA3B;AACA,WAAK0D,QAAL;AACA,WAAKnB,WAAL,CAAiBoC,qCAAjB;AACA,WAAKM,aAAL,GAAqB,CAArB;;AACA,UAAIjF,eAAe,GAAG,CAAlB,IAAuBqE,aAAa,KAAK,CAAC,CAA9C,EAAiD;AAC/CnkC,wBAAM,CAACC,GAAP,yDAAiE6/B,eAAe,CAACnD,OAAhB,CAAwB,CAAxB,CAAjE;AACA,aAAKpoB,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACD,OAHD,MAGO;AACL,aAAK/C,eAAL,GAAuB,KAAKqE,aAAL,GAAqB,KAAKA,aAA1B,GAA0CA,aAAjE;AACA,aAAK5vB,KAAL,GAAamuB,KAAK,CAACE,QAAnB;AACD;;AACD,WAAKsB,gBAAL,GAAwB,KAAKC,aAAL,GAAqB,KAAKrE,eAAlD;AACA,WAAKkC,IAAL;AACD,KAdD,MAcO;AACL,WAAKmC,aAAL,GAAqBA,aAArB;AACA,WAAK5vB,KAAL,GAAamuB,KAAK,CAACC,OAAnB;AACD;AACF,G;;SAcDH,M,GAAA,kBAAU;AACR,QAAIvuB,GAAJ;AAAA,QAAS/Q,KAAT;AAAA,QAAgB09C,YAAhB;AAAA,QAA8B7+B,GAAG,GAAG,KAAKA,GAAzC;AAAA,QAA8CziB,MAAM,GAAGyiB,GAAG,CAACziB,MAA3D,CADQ,CAER;;AACA,YAAQ,KAAKiV,KAAb;AACA,WAAKmuB,KAAK,CAAC5hC,KAAX,CADA,CAEE;;AACF,WAAK4hC,KAAK,CAACI,MAAX,CAHA,CAIE;;AACF,WAAKJ,KAAK,CAAChjB,eAAX;AACE;;AACF,WAAKgjB,KAAK,CAACE,QAAX;AACE,aAAKruB,KAAL,GAAamuB,KAAK,CAACM,aAAnB;AACA,aAAKiB,cAAL,GAAsB,KAAtB;AACA;;AACF,WAAKvB,KAAK,CAACG,IAAX;AACE,YAAMtnB,MAAM,GAAG,KAAKA,MAApB,CADF,CAEE;;AACA,YAAI,CAACA,MAAL,EAAa;AACX;AACD,SALH,CAOE;AACA;AACA;AACA;;;AACA,YAAI,CAAC,KAAKoP,KAAN,KACC,KAAKqa,kBAAL,IAA2B,CAAC1lC,MAAM,CAACmmC,iBADpC,CAAJ,EAC4D;AAC1D;AACD,SAdH,CAgBE;AACA;AACA;;;AACA,YAAI,KAAKxB,cAAT,EAAyB;AACvBhwB,aAAG,GAAG,KAAK0W,KAAL,CAAW6N,WAAjB;AACD,SAFD,MAEO;AACLvkB,aAAG,GAAG,KAAKiwB,gBAAX;;AACA,cAAIjwB,GAAG,KAAKhV,SAAZ,EAAuB;AACrB;AACD;AACF;;AACD,YAAI0rB,KAAK,GAAG,KAAKkZ,WAAL,GAAmB,KAAKA,WAAxB,GAAsC,KAAKlZ,KAAvD;AAAA,YACEsgB,WAAW,GAAG,KAAKA,WAAL,GAAmB,KAAKA,WAAxB,GAAsC,KAAKtgB,KAD3D;AAAA,YAEE4M,UAAU,GAAGF,YAAY,CAACE,UAAb,CAAwB5M,KAAxB,EAA+B1W,GAA/B,EAAoC3U,MAAM,CAACwhC,aAA3C,CAFf;AAAA,YAGE+f,cAAc,GAAGxpB,YAAY,CAACE,UAAb,CAAwB0T,WAAxB,EAAqCh3B,GAArC,EAA0C3U,MAAM,CAACwhC,aAAjD,CAHnB;AAAA,YAIE5I,SAAS,GAAGX,UAAU,CAAC1yB,GAJzB;AAAA,YAKEwzB,SAAS,GAAGd,UAAU,CAAChe,GALzB;AAAA,YAMEslB,YAAY,GAAG,KAAKA,YANtB;AAAA,YAOE;AACA;AACA;AACAiiB,uBAAe,GAAGt5C,IAAI,CAACC,GAAL,CAASnI,MAAM,CAACwmC,eAAhB,EAAiCxmC,MAAM,CAACymC,kBAAxC,CAVpB;AAAA,YAWEH,SAAS,GAAGp+B,IAAI,CAACoX,GAAL,CAASkiC,eAAT,EAA0BD,cAAc,CAACh8C,GAAzC,CAXd;AAAA,YAYEk8C,WAAW,GAAG,KAAKA,WAZrB;AAAA,YAaEtjC,OAAO,GAAG,KAAKA,OAbjB,CA3BF,CA0CI;;AACF,YAAI,CAACya,SAAS,GAAG0N,SAAZ,IAAyBmb,WAA1B,KAA0CtjC,OAAO,GAAGlC,MAAM,CAAC5e,MAA/D,EAAuE;AACrEikD,sBAAY,GAAGrlC,MAAM,CAACkC,OAAD,CAAN,CAAgBvc,OAA/B,CADqE,CAErE;;AACA,cAAI,OAAO0/C,YAAP,KAAwB,WAA5B,EAAyC;AACvC,iBAAKrsC,KAAL,GAAamuB,KAAK,CAACM,aAAnB;AACA;AACD;;AAED,cAAI,CAAC+d,WAAD,IAAgB,KAAKrd,YAAL,CAAkBnM,UAAlB,EAA8BqpB,YAA9B,CAApB,EAAiE;AAC/D,iBAAK7+B,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAAC4e,UAAvB,EAAmC;AAAE1e,kBAAI,EAAE;AAAR,aAAnC;AACA,iBAAKwT,KAAL,GAAamuB,KAAK,CAACS,KAAnB;AACA;AACD,WAZoE,CAcrE;;;AACA,cAAInd,SAAS,GAAG46B,YAAY,CAAC56B,SAA7B;AAAA,cACEigB,OAAO,GAAGjgB,SAAS,CAACrpB,MADtB;AAAA,cAEEmR,KAAK,GAAGkY,SAAS,CAAC,CAAD,CAAT,CAAalY,KAFvB;AAAA,cAGEyL,GAAG,GAAGyM,SAAS,CAACigB,OAAO,GAAG,CAAX,CAAT,CAAuBn4B,KAAvB,GAA+BkY,SAAS,CAACigB,OAAO,GAAG,CAAX,CAAT,CAAuB1hC,QAH9D;AAAA,cAIEoM,IAJF,CAfqE,CAqBnE;;AACF,cAAIowC,WAAJ,EAAiB;AACf,gBAAIH,YAAY,CAAC36B,IAAb,IAAqB,CAAC26B,YAAY,CAAC5lB,QAAvC,EAAiD;AAC/Ch7B,8BAAM,CAACC,GAAP,CAAW,oEAAX;AACAo4B,uBAAS,GAAG,CAAZ;AACD,aAHD,MAGO;AACLA,uBAAS,GAAGpkB,GAAZ,CADK,CAEL;;AACA,kBAAI2sC,YAAY,CAAC5lB,QAAb,IAAyB/mB,GAAG,GAAGnG,KAAnC,EAA0C;AACxC;AACA,oBAAIypB,UAAU,CAAChe,GAAX,GAAiBzL,KAAjB,IAA0BypB,UAAU,CAACI,SAAzC,EAAoD;AAClD33B,kCAAM,CAACC,GAAP,CAAW,uEAAX;AACA,uBAAK0qB,KAAL,CAAW6N,WAAX,GAAyB1qB,KAAK,GAAG,IAAjC;AACD,iBAHD,MAGO;AACL;AACD;AACF;AACF;AACF;;AACD,cAAI8yC,YAAY,CAACv8C,WAAb,IAA4B,CAACu8C,YAAY,CAACv8C,WAAb,CAAyBzK,IAA1D,EAAgE;AAC9D+W,gBAAI,GAAGiwC,YAAY,CAACv8C,WAApB;AACD,WAFD,CAEE;AACF;AAHA,eAIK,IAAIg0B,SAAS,IAAIvqB,KAAjB,EAAwB;AAC3B6C,kBAAI,GAAGqV,SAAS,CAAC,CAAD,CAAhB;;AACA,kBAAI,KAAKy6B,YAAL,KAAsB,IAAtB,IAA8B9vC,IAAI,CAAC4T,EAAL,KAAY,KAAKk8B,YAAnD,EAAiE;AAC/D;AACA9vC,oBAAI,GAAGosB,cAAc,CAAC/W,SAAD,EAAY,KAAKy6B,YAAjB,CAArB;AACD;;AACD,kBAAIG,YAAY,CAAC36B,IAAb,IAAqBtV,IAAI,CAACqwC,OAA1B,IAAqCrwC,IAAI,CAACqwC,OAAL,KAAiB,KAAKC,WAA/D,EAA4E;AAC1E;AACA;AACA,oBAAMC,YAAY,GAAG3pB,UAAU,CAACI,SAAX,GAAuBJ,UAAU,CAACI,SAAlC,GAA8C7pB,KAAnE;AACA9N,gCAAM,CAACC,GAAP,0CAAkD,KAAK0qB,KAAL,CAAW6N,WAA7D,oBAAsF0oB,YAAY,GAAG,IAArG;AACA,qBAAKv2B,KAAL,CAAW6N,WAAX,GAAyB0oB,YAAY,GAAG,IAAxC;AACA;AACD;AACF,aAdI,MAcE;AACL,kBAAIC,SAAJ;AACA,kBAAI5oB,sBAAsB,GAAGj5B,MAAM,CAACi5B,sBAApC;AACA,kBAAMuG,QAAQ,GAAGD,YAAY,GAAG7Y,SAAS,CAAC6Y,YAAY,CAACna,EAAb,GAAkBsB,SAAS,CAAC,CAAD,CAAT,CAAatB,EAA/B,GAAoC,CAArC,CAAZ,GAAsDzlB,SAAnF;;AACA,kBAAI8/B,2BAA2B,GAAG,SAA9BA,2BAA8B,CAAC9B,SAAD,EAAe;AAC/C;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,oBAAI+B,wBAAwB,GAAGx3B,IAAI,CAACC,GAAL,CAAS8wB,sBAAT,EAAiC0E,SAAS,CAAC14B,QAA3C,CAA/B;;AACA,oBAAK04B,SAAS,CAACnvB,KAAV,GAAkBmvB,SAAS,CAAC14B,QAA5B,GAAuCy6B,wBAAxC,IAAqE3G,SAAzE,EAAoF;AAClF,yBAAO,CAAP;AACD,iBAFD,MAEO,IAAI4E,SAAS,CAACnvB,KAAV,GAAkBkxB,wBAAlB,GAA6C3G,SAA7C,IAA0D4E,SAAS,CAACnvB,KAAxE,EAA+E;AACpF;AACA,yBAAO,CAAC,CAAR;AACD;;AAED,uBAAO,CAAP;AACD,eAxBD;;AA0BA,kBAAIuqB,SAAS,GAAG9e,GAAhB,EAAqB;AACnB,oBAAI8e,SAAS,GAAG9e,GAAG,GAAGgf,sBAAtB,EAA8C;AAC5CA,wCAAsB,GAAG,CAAzB;AACD,iBAHkB,CAKnB;;;AACA,oBAAIuG,QAAQ,IAAI,CAACC,2BAA2B,CAACD,QAAD,CAA5C,EAAwD;AACtDqiB,2BAAS,GAAGriB,QAAZ;AACD,iBAFD,MAEO;AACLqiB,2BAAS,GAAGvqB,aAAY,CAACC,MAAb,CAAoB7Q,SAApB,EAA+B+Y,2BAA/B,CAAZ;AACD;AACF,eAXD,MAWO;AACL;AACAoiB,yBAAS,GAAGn7B,SAAS,CAACigB,OAAO,GAAG,CAAX,CAArB;AACD;;AACD,kBAAIkb,SAAJ,EAAe;AACbxwC,oBAAI,GAAGwwC,SAAP;AACArzC,qBAAK,GAAGqzC,SAAS,CAACrzC,KAAlB,CAFa,CAGb;;AACA,oBAAI+wB,YAAY,IAAIluB,IAAI,CAACiU,KAAL,KAAeia,YAAY,CAACja,KAA5C,IAAqDjU,IAAI,CAAC+T,EAAL,KAAYma,YAAY,CAACna,EAAlF,EAAsF;AACpF,sBAAI/T,IAAI,CAAC+T,EAAL,GAAUk8B,YAAY,CAAC76B,KAA3B,EAAkC;AAChCpV,wBAAI,GAAGqV,SAAS,CAACrV,IAAI,CAAC+T,EAAL,GAAU,CAAV,GAAck8B,YAAY,CAACx6B,OAA5B,CAAhB;AACApmB,oCAAM,CAACC,GAAP,qCAA6C0Q,IAAI,CAAC+T,EAAlD;AACD,mBAHD,MAGO;AACL/T,wBAAI,GAAG,IAAP;AACD;AACF;AACF;AACF;;AACD,cAAIA,IAAJ,EAAU;AACR;AACA,gBAAIA,IAAI,CAAC01B,SAAT,EAAoB;AAClBrmC,8BAAM,CAACC,GAAP,sBAA8B0Q,IAAI,CAAC+T,EAAnC,aAA6Ck8B,YAAY,CAACx6B,OAA1D,UAAsEw6B,YAAY,CAAC76B,KAAnF,gBAAmGtI,OAAnG;AACA,mBAAKlJ,KAAL,GAAamuB,KAAK,CAACjhB,WAAnB;AACAM,iBAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAAC4gB,WAAlB,EAA+B;AAAE9Q,oBAAI,EAAEA;AAAR,eAA/B;AACD,aAJD,MAIO;AACL3Q,8BAAM,CAACC,GAAP,cAAsB0Q,IAAI,CAAC+T,EAA3B,cAAsC/T,IAAI,CAAC4T,EAA3C,aAAqDq8B,YAAY,CAACx6B,OAAlE,UAA8Ew6B,YAAY,CAAC76B,KAA3F,gBAA2GtI,OAA3G,sBAAmIxJ,GAAnI,mBAAoJokB,SAAS,CAACsE,OAAV,CAAkB,CAAlB,CAApJ,EADK,CAEL;AACA;;AACA,mBAAK8G,WAAL,GAAmB9yB,IAAnB;;AACA,kBAAIowC,WAAW,IAAI,KAAKxhB,eAAL,CAAqBlJ,QAArB,CAA8B1lB,IAA9B,MAAwCmjB,aAAa,CAACC,UAAzE,EAAqF;AACnF,oBAAIpjB,IAAI,CAAC+T,EAAL,KAAY,aAAhB,EAA+B;AAC7B,uBAAKsgB,kBAAL,GAA0B,IAA1B;AACD;;AACD,oBAAI,0CAAgBr0B,IAAI,CAAC+T,EAArB,CAAJ,EAA8B;AAC5B,uBAAKwf,gBAAL,GAAwBvzB,IAAI,CAAC7C,KAAL,GAAa6C,IAAI,CAACpM,QAA1C;AACD;;AAEDwd,mBAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAACmgB,YAAlB,EAAgC;AAAErQ,sBAAI,EAAJA;AAAF,iBAAhC;AACA,qBAAK4D,KAAL,GAAamuB,KAAK,CAAC1hB,YAAnB;AACD;AACF;AACF;AACF;;AACD;;AACF,WAAK0hB,KAAK,CAACM,aAAX;AACE9/B,aAAK,GAAG,KAAKqY,MAAL,CAAY,KAAKkC,OAAjB,CAAR,CADF,CAEE;;AACA,YAAIva,KAAK,IAAIA,KAAK,CAAChC,OAAnB,EAA4B;AAC1B,eAAKqT,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACD;;AAED;;AACF,WAAKH,KAAK,CAACK,0BAAX;AACE,YAAI9sB,GAAG,GAAGC,mCAAW,CAACD,GAAZ,EAAV;AACA,YAAIovB,SAAS,GAAG,KAAKA,SAArB;AACA1a,aAAK,GAAG,KAAKA,KAAb;AACA,YAAIy2B,SAAS,GAAGz2B,KAAK,IAAIA,KAAK,CAACiV,OAA/B,CAJF,CAKE;;AACA,YAAI,CAACyF,SAAD,IAAepvB,GAAG,IAAIovB,SAAtB,IAAoC+b,SAAxC,EAAmD;AACjDphD,0BAAM,CAACC,GAAP,CAAW,qEAAX;AACA,eAAKsU,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACD;;AACD;;AACF,WAAKH,KAAK,CAACU,gBAAX;AACE,YAAMqd,YAAY,GAAG,KAAKA,YAA1B;;AACA,YAAI,KAAKrlC,OAAL,CAAaqlC,YAAb,MAA+BxhD,SAAnC,EAA8C;AAC5C;AACD,SAJH,CAME;;;AACA,YAAMoiD,WAAW,GAAG,KAAKb,eAAzB;;AACA,YAAIa,WAAJ,EAAiB;AACf,cAAMC,aAAa,GAAGD,WAAW,CAAC1wC,IAAZ,CAAiB4T,EAAvC;;AACA,cAAIk8B,YAAY,KAAKa,aAArB,EAAoC;AAClCp+C,iBAAK,GAAG,KAAKqY,MAAL,CAAY,KAAKkC,OAAjB,CAAR;;AACA,gBAAIva,KAAK,CAAChC,OAAN,IAAiBgC,KAAK,CAAChC,OAAN,CAAc+kB,IAAnC,EAAyC;AACvCjmB,8BAAM,CAACgN,IAAP,2BAAoCs0C,aAApC,yCAAqFb,YAArF;AACA,mBAAKD,eAAL,GAAuB,IAAvB;AACA,mBAAKjsC,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACD;AACF,WAPD,MAOO;AACL,iBAAKtuB,KAAL,GAAamuB,KAAK,CAAC1hB,YAAnB;AACA,iBAAKsV,YAAL,CAAkB,KAAKkqB,eAAvB;AACA,iBAAKA,eAAL,GAAuB,IAAvB;AACD;AACF,SAdD,MAcO;AACL,eAAKjsC,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACD;;AAED;;AACF,WAAKH,KAAK,CAACC,OAAX;AACA,WAAKD,KAAK,CAAC1hB,YAAX;AACA,WAAK0hB,KAAK,CAACO,OAAX;AACA,WAAKP,KAAK,CAACQ,MAAX;AACA,WAAKR,KAAK,CAACS,KAAX;AACE;;AACF;AACE;AA1PF;AA4PD,G;;SAED0F,e,GAAA,yBAAiBjvC,IAAjB,EAAuB;AACrB,QAAI+wB,KAAK,GAAG,KAAKA,KAAL,GAAa,KAAKkZ,WAAL,GAAmBjqC,IAAI,CAAC+wB,KAAjD;AACA,SAAKme,UAAL,GAAkB,KAAKlF,cAAL,CAAoB75B,IAApB,CAAyB,IAAzB,CAAlB;AACA,SAAKk/B,QAAL,GAAgB,KAAK7E,YAAL,CAAkBr6B,IAAlB,CAAuB,IAAvB,CAAhB;AACA4gB,SAAK,CAAC3S,gBAAN,CAAuB,SAAvB,EAAkC,KAAK8wB,UAAvC;AACAne,SAAK,CAAC3S,gBAAN,CAAuB,OAAvB,EAAgC,KAAKixB,QAArC;AACA,QAAI3pC,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAI,KAAKic,MAAL,IAAejc,MAAM,CAAC4pC,aAA1B,EAAyC;AACvC,WAAK3F,SAAL,CAAejkC,MAAM,CAAC6kC,aAAtB;AACD;AACF,G;;SAEDgF,gB,GAAA,4BAAoB;AAClB,QAAIxe,KAAK,GAAG,KAAKA,KAAjB;;AACA,QAAIA,KAAK,IAAIA,KAAK,CAAC0V,KAAnB,EAA0B;AACxBrgC,sBAAM,CAACC,GAAP,CAAW,oDAAX;AACA,WAAKkkC,aAAL,GAAqB,KAAKrE,eAAL,GAAuB,CAA5C;AACD,KALiB,CAOlB;;;AACA,QAAInV,KAAJ,EAAW;AACTA,WAAK,CAACiP,mBAAN,CAA0B,SAA1B,EAAqC,KAAKkP,UAA1C;AACAne,WAAK,CAACiP,mBAAN,CAA0B,OAA1B,EAAmC,KAAKqP,QAAxC;AACA,WAAKH,UAAL,GAAkB,KAAKC,SAAL,GAAiB,KAAKE,QAAL,GAAgB,IAAnD;AACD;;AACD,SAAKte,KAAL,GAAa,KAAKkZ,WAAL,GAAmB,KAAKoH,WAAL,GAAmB,IAAnD;AACA,SAAKhH,cAAL,GAAsB,KAAtB;AACA,SAAK1E,eAAL,CAAqB5I,kBAArB;AACA,SAAK6M,QAAL;AACD,G;;SAED+d,oB,GAAA,8BAAsB3nD,IAAtB,EAA4B;AAC1BoG,oBAAM,CAACC,GAAP,CAAW,sBAAX;AACA,SAAKsb,MAAL,GAAc3hB,IAAI,CAACi3B,WAAnB;AACD,G;;SAEDka,qB,GAAA,+BAAuBnxC,IAAvB,EAA6B;AAC3B;AACA,QAAIkrC,QAAQ,GAAG,CAAC,CAAClrC,IAAI,CAACwgB,GAAtB;AACA,SAAKqD,OAAL,GAAe7jB,IAAI,CAAC8K,EAApB;AAEA,SAAK++B,WAAL,GAAmB,IAAnB;AACA,SAAKlvB,KAAL,GAAamuB,KAAK,CAACI,MAAnB;AACA,SAAK0d,eAAL,GAAuB,IAAvB,CAP2B,CAQ3B;;AACA,QAAI,CAAC1b,QAAL,EAAe;AACb,UAAI,KAAKxuB,OAAT,EAAkB;AAChB,aAAKA,OAAL,CAAatX,OAAb;AACA,aAAKsX,OAAL,GAAe,IAAf;AACD;AACF,KALD,MAKO;AACL;AACA,WAAK+rB,WAAL,CAAiBoC,qCAAjB;AACD,KAjB0B,CAmB3B;;;AACA,QAAIK,QAAJ,EAAc;AACZ,WAAKic,WAAL,GAAmB,IAAnB,CADY,CAEZ;;AACA,WAAKxsC,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACD;;AACD,SAAKb,IAAL;AACD,G;;SAEDud,kB,GAAA,4BAAoB3lD,IAApB,EAA0B;AACxB,QAAIuhC,UAAU,GAAGvhC,IAAI,CAACsH,OAAtB;AAAA,QACEuc,OAAO,GAAG7jB,IAAI,CAAC8K,EADjB;AAAA,QAEExB,KAAK,GAAG,KAAKqY,MAAL,CAAYkC,OAAZ,CAFV;AAAA,QAGElZ,QAAQ,GAAG42B,UAAU,CAAC5U,aAHxB;AAAA,QAIEqX,OAAO,GAAG,CAJZ;AAMA59B,oBAAM,CAACC,GAAP,YAAoBwd,OAApB,iBAAuC0d,UAAU,CAAC/U,OAAlD,SAA6D+U,UAAU,CAACpV,KAAxE,mBAA2FxhB,QAA3F;;AAEA,QAAI42B,UAAU,CAAClV,IAAf,EAAqB;AACnB,UAAIsX,UAAU,GAAGr6B,KAAK,CAAChC,OAAvB;;AACA,UAAIq8B,UAAU,IAAIpC,UAAU,CAACnV,SAAX,CAAqBrpB,MAArB,GAA8B,CAAhD,EAAmD;AACjD;AACAgtC,oBAAA,CAAyBpM,UAAzB,EAAqCpC,UAArC;AACAyC,eAAO,GAAGzC,UAAU,CAACnV,SAAX,CAAqB,CAArB,EAAwBlY,KAAlC,CAHiD,CAIjD;AACA;;AACA,YAAIqtB,UAAU,CAACH,QAAf,EAAyB;AACvBh7B,0BAAM,CAACC,GAAP,kCAA0C29B,OAAO,CAACjB,OAAR,CAAgB,CAAhB,CAA1C;AACD,SAFD,MAEO;AACL38B,0BAAM,CAACC,GAAP,CAAW,qDAAX;AACD;AACF,OAXD,MAWO;AACLk7B,kBAAU,CAACH,QAAX,GAAsB,KAAtB;AACAh7B,wBAAM,CAACC,GAAP,CAAW,mDAAX;AACD;AACF,KAjBD,MAiBO;AACLk7B,gBAAU,CAACH,QAAX,GAAsB,KAAtB;AACD;;AACD93B,SAAK,CAAChC,OAAN,GAAgBi6B,UAAhB,CA7BwB,CA+BxB;;AACA,QAAI,CAAC,KAAK6J,kBAAV,EAA8B;AAC9B;AACE,UAAI,KAAKb,aAAL,KAAuB,CAAC,CAA5B,EAA+B;AAC7B;AACA,YAAI9d,eAAe,GAAG8U,UAAU,CAAC9U,eAAjC;;AACA,YAAI,0CAAgBA,eAAhB,CAAJ,EAAsC;AACpCrmB,0BAAM,CAACC,GAAP,mEAA2EomB,eAA3E;AACA,eAAK8d,aAAL,GAAqB9d,eAArB;AACD,SAHD,MAGO;AACL,cAAI8U,UAAU,CAAClV,IAAf,EAAqB;AACnB,iBAAKke,aAAL,GAAqB,KAAKE,mBAAL,CAAyBzG,OAAzB,EAAkCzC,UAAlC,CAArB;AACAn7B,4BAAM,CAACC,GAAP,+CAAuD,KAAKkkC,aAA5D;AACD,WAHD,MAGO;AACL,iBAAKA,aAAL,GAAqB,CAArB;AACD;AACF;AACF;;AACD,WAAKD,gBAAL,GAAwB,KAAKC,aAA7B;AACD,KAlDuB,CAmDxB;;;AACA,QAAI,KAAK5vB,KAAL,KAAemuB,KAAK,CAACM,aAAzB,EAAwC;AACtC,WAAKzuB,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACD,KAtDuB,CAwDxB;;;AACA,SAAKb,IAAL;AACD,G;;SAED4H,W,GAAA,uBAAe;AACb,QAAI,KAAKr1B,KAAL,KAAemuB,KAAK,CAACjhB,WAAzB,EAAsC;AACpC,WAAKlN,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACA,WAAKb,IAAL;AACD;AACF,G;;SAED1L,Y,GAAA,sBAAc18B,IAAd,EAAoB;AAClB,QAAI6pC,WAAW,GAAG,KAAKA,WAAvB;AAAA,QACEoG,UAAU,GAAGjwC,IAAI,CAAC+W,IADpB;;AAEA,QAAI,KAAK4D,KAAL,KAAemuB,KAAK,CAAC1hB,YAArB,IACAyiB,WADA,IAEAoG,UAAU,CAAC9oC,IAAX,KAAoB,OAFpB,IAGA8oC,UAAU,CAACjlB,KAAX,KAAqB6e,WAAW,CAAC7e,KAHjC,IAIAilB,UAAU,CAACnlB,EAAX,KAAkB+e,WAAW,CAAC/e,EAJlC,EAIsC;AACpC,UAAIxhB,KAAK,GAAG,KAAKqY,MAAL,CAAY,KAAKkC,OAAjB,CAAZ;AAAA,UACEvc,OAAO,GAAGgC,KAAK,CAAChC,OADlB;AAAA,UAEEqD,QAAQ,GAAGrD,OAAO,CAACqlB,aAFrB;AAAA,UAGE9I,OAAO,GAAGgmB,WAAW,CAAC7e,KAHxB;AAAA,UAIEF,EAAE,GAAG+e,WAAW,CAAC/e,EAJnB;AAAA,UAKEH,EAAE,GAAGkf,WAAW,CAAClf,EALnB;AAAA,UAME/iB,UAAU,GAAG,KAAKlC,MAAL,CAAY4sC,iBAAZ,IAAiChpC,KAAK,CAAC1B,UAAvC,IAAqD,WANpE;AAAA,UAOEqV,KAAK,GAAG,KAAKA,KAAL,GAAajd,IAAI,CAACid,KAP5B;;AAQA,UAAI6N,EAAE,KAAK,aAAX,EAA0B;AACxB,aAAKnQ,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AAEAhsB,aAAK,CAACwa,OAAN,GAAgBxa,KAAK,CAACkzB,SAAN,GAAkB7zB,mCAAW,CAACD,GAAZ,EAAlC;AACA/U,eAAO,CAACmD,WAAR,CAAoBzK,IAApB,GAA2BA,IAAI,CAACw5B,OAAhC;AACA,aAAKrR,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACugB,aAAvB,EAAsC;AAAEvK,eAAK,EAAEA,KAAT;AAAgBlG,cAAI,EAAE8yB,WAAtB;AAAmC/+B,YAAE,EAAE;AAAvC,SAAtC;AACA,aAAKs9B,IAAL;AACD,OAPD,MAOO;AACL,aAAKztB,KAAL,GAAamuB,KAAK,CAACO,OAAnB,CADK,CAEL;;AACA,aAAKgH,QAAL,GAAgB,KAAhB;;AACA,YAAI,CAAC,KAAK3zB,OAAV,EAAmB;AACjB,eAAKA,OAAL,GAAe,IAAIsiB,aAAJ,CAAY,KAAK7W,GAAjB,EAAsB,OAAtB,CAAf;AACD,SANI,CAQL;AACA;;;AACA,YAAI3G,OAAO,GAAG,KAAKA,OAAL,CAAamJ,EAAb,CAAd;AACA,YAAI2lB,eAAe,GAAGhpC,OAAO,CAACmD,WAAR,GAAsBnD,OAAO,CAACmD,WAAR,CAAoBzK,IAA1C,GAAiD,EAAvE;;AACA,YAAIsH,OAAO,CAACmD,WAAR,IAAuB+W,OAAO,KAAKnc,SAAvC,EAAkD;AAChD,eAAK+qC,gBAAL,GAAwB,IAAxB;AACAhqC,0BAAM,CAACC,GAAP,eAAuBykB,EAAvB,aAAiCxjB,OAAO,CAACklB,OAAzC,UAAqDllB,OAAO,CAAC6kB,KAA7D,gBAA6EtI,OAA7E,EAFgD,CAGhD;;AACA,cAAIlY,kBAAkB,GAAG,KAAzB,CAJgD,CAIhB;;AAChC,eAAK+Q,OAAL,CAAatS,IAAb,CAAkBpK,IAAI,CAACw5B,OAAvB,EAAgC8W,eAAhC,EAAiD1oC,UAAjD,EAA6D,IAA7D,EAAmEiiC,WAAnE,EAAgFl/B,QAAhF,EAA0FgB,kBAA1F,EAA8G6V,OAA9G;AACD,SAND,MAMO;AACLpb,0BAAM,CAACC,GAAP,+CAAuDskB,EAAvD,2DAA+GG,EAA/G,aAAyHxjB,OAAO,CAACklB,OAAjI,UAA6IllB,OAAO,CAAC6kB,KAArJ,gBAAqKtI,OAArK;AACA,eAAK+iC,eAAL,GAAuB5mD,IAAvB;AACA,eAAK2a,KAAL,GAAamuB,KAAK,CAACU,gBAAnB;AACD;AACF;AACF;;AACD,SAAK2B,aAAL,GAAqB,CAArB;AACD,G;;SAEDqF,wB,GAAA,kCAA0BxwC,IAA1B,EAAgC;AAC9B,QAAM6pC,WAAW,GAAG,KAAKA,WAAzB;AACA,QAAM4G,OAAO,GAAGzwC,IAAI,CAAC+W,IAArB;;AACA,QAAI8yB,WAAW,IACX7pC,IAAI,CAAC8K,EAAL,KAAY,OADZ,IAEA2lC,OAAO,CAAC3lB,EAAR,KAAe+e,WAAW,CAAC/e,EAF3B,IAGA2lB,OAAO,CAACzlB,KAAR,KAAkB6e,WAAW,CAAC7e,KAH9B,IAIA,KAAKrQ,KAAL,KAAemuB,KAAK,CAACO,OAJzB,EAIkC;AAChC,UAAI1nB,MAAM,GAAG3hB,IAAI,CAAC2hB,MAAlB;AAAA,UAA0BrY,KAA1B,CADgC,CAGhC;;AACA,UAAIqY,MAAM,CAAClP,KAAX,EAAkB;AAChB,eAAOkP,MAAM,CAAClP,KAAd;AACD,OAN+B,CAQhC;;;AACAnJ,WAAK,GAAGqY,MAAM,CAACjP,KAAf;;AACA,UAAIpJ,KAAJ,EAAW;AACTA,aAAK,CAACunC,UAAN,GAAmBvnC,KAAK,CAACV,KAAzB;AACAU,aAAK,CAACwB,EAAN,GAAW9K,IAAI,CAAC8K,EAAhB;AACA,aAAKqd,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACwe,aAAvB,EAAsC9D,MAAtC;AACAvb,wBAAM,CAACC,GAAP,kCAA0CiD,KAAK,CAACuB,SAAhD,+BAAmFvB,KAAK,CAACunC,UAAzF,SAAuGvnC,KAAK,CAACV,KAA7G;AACA,YAAI6B,WAAW,GAAGnB,KAAK,CAACmB,WAAxB;;AACA,YAAIA,WAAJ,EAAiB;AACf,cAAIm9C,SAAS,GAAG;AAAEzgD,gBAAI,EAAE,OAAR;AAAiBnH,gBAAI,EAAEyK,WAAvB;AAAoCqmC,kBAAM,EAAE,OAA5C;AAAqDC,mBAAO,EAAE;AAA9D,WAAhB;;AACA,cAAI,KAAKoW,WAAT,EAAsB;AACpB,iBAAKU,WAAL,GAAmB,CAACD,SAAD,CAAnB;AACD,WAFD,MAEO;AACL,iBAAKvX,QAAL,GAAgB,IAAhB,CADK,CAEL;;AACA,iBAAKD,gBAAL,GAAwB,IAAxB;AACA,iBAAKjoB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAAC0e,gBAAvB,EAAyCiiC,SAAzC;AACD;AACF,SAhBQ,CAiBT;;;AACA,aAAKxf,IAAL;AACD;AACF;AACF,G;;SAED4I,iB,GAAA,2BAAmBhxC,IAAnB,EAAyB;AAAA;;AACvB,QAAM6pC,WAAW,GAAG,KAAKA,WAAzB;AACA,QAAM4G,OAAO,GAAGzwC,IAAI,CAAC+W,IAArB;;AACA,QAAI8yB,WAAW,IACX7pC,IAAI,CAAC8K,EAAL,KAAY,OADZ,IAEA9K,IAAI,CAACmH,IAAL,KAAc,OAFd,IAGAspC,OAAO,CAAC3lB,EAAR,KAAe+e,WAAW,CAAC/e,EAH3B,IAIA2lB,OAAO,CAACzlB,KAAR,KAAkB6e,WAAW,CAAC7e,KAJ9B,IAKA,KAAKrQ,KAAL,KAAemuB,KAAK,CAACO,OALzB,EAKkC;AAChC,UAAIxlB,OAAO,GAAG,KAAKA,OAAnB;AAAA,UACEva,KAAK,GAAG,KAAKqY,MAAL,CAAYkC,OAAZ,CADV;AAAA,UAEEsE,GAAG,GAAG,KAAKA,GAFb;;AAIA,UAAI,CAAC,0CAAgBnoB,IAAI,CAACm7B,MAArB,CAAL,EAAmC;AACjCn7B,YAAI,CAACm7B,MAAL,GAAcn7B,IAAI,CAAC+b,QAAL,GAAgB8tB,WAAW,CAACl/B,QAA1C;AACA3K,YAAI,CAACghC,MAAL,GAAchhC,IAAI,CAACgc,QAAL,GAAgB6tB,WAAW,CAACl/B,QAA1C;AACD;;AAEDk/B,iBAAW,CAACpe,mBAAZ,CAAgC3B,qBAAqB,CAACM,KAAtD;AAEAhkB,sBAAM,CAACC,GAAP,aAAqBrG,IAAI,CAACmH,IAA1B,cAAuCnH,IAAI,CAAC+b,QAAL,CAAcgnB,OAAd,CAAsB,CAAtB,CAAvC,SAAmE/iC,IAAI,CAACm7B,MAAL,CAAY4H,OAAZ,CAAoB,CAApB,CAAnE,eAAmG/iC,IAAI,CAACgc,QAAL,CAAc+mB,OAAd,CAAsB,CAAtB,CAAnG,SAA+H/iC,IAAI,CAACghC,MAAL,CAAY+B,OAAZ,CAAoB,CAApB,CAA/H,aAA6J/iC,IAAI,CAACmc,EAAlK;AACA4zB,sBAAA,CAA6BzmC,KAAK,CAAChC,OAAnC,EAA4CuiC,WAA5C,EAAyD7pC,IAAI,CAAC+b,QAA9D,EAAwE/b,IAAI,CAACm7B,MAA7E;AAEA,UAAIgsB,WAAW,GAAG,KAAKA,WAAvB;AAAA,UAAoCp2B,KAAK,GAAG,KAAKA,KAAjD;AAAA,UAAwD+2B,mBAAmB,GAAG,KAA9E,CAfgC,CAgBhC;;AACA,UAAIX,WAAJ,EAAiB;AACf,YAAIp2B,KAAK,IAAIA,KAAK,CAACic,UAAnB,EAA+B;AAC7B,cAAIpO,WAAW,GAAG7N,KAAK,CAAC6N,WAAxB;AACAx4B,0BAAM,CAACC,GAAP,CAAW,yCAAyCu4B,WAApD;;AACA,cAAIA,WAAW,IAAI5+B,IAAI,CAAC+b,QAAxB,EAAkC;AAChC3V,4BAAM,CAACC,GAAP,CAAW,4CAAX;AACA,iBAAKsU,KAAL,GAAamuB,KAAK,CAAChjB,eAAnB;AACAqC,eAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAAC6e,eAAlB,EAAmC;AAAExK,yBAAW,EAAE,CAAf;AAAkByzB,uBAAS,EAAEzhB,MAAM,CAACghB,iBAApC;AAAuDnnC,kBAAI,EAAE;AAA7D,aAAnC;AACA2gD,+BAAmB,GAAG,IAAtB,CAJgC,CAKhC;;AACA,iBAAKX,WAAL,GAAmB,KAAnB;AACAh/B,eAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAAC2f,oBAAlB,EAAwC;AAAE9b,gBAAE,EAAE+Y;AAAN,aAAxC;AACD;AACF,SAZD,MAYO;AACL;AACA,eAAKsjC,WAAL,GAAmB,KAAnB;AACAh/B,aAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAAC2f,oBAAlB,EAAwC;AAAE9b,cAAE,EAAE+Y;AAAN,WAAxC;AACD;AACF;;AAED,UAAIgkC,WAAW,GAAG,KAAKA,WAAvB;;AAEA,UAAI,CAACA,WAAL,EAAkB;AAChBzhD,wBAAM,CAACgN,IAAP,CAAY,uFAAZ;AACA+U,WAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AAAEC,cAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,iBAAO,EAAE,IAAzC;AAA+CG,eAAK,EAAE;AAAtD,SAAzB;AACA;AACD;;AAED,UAAI,CAAC,KAAK0/C,WAAV,EAAuB;AACrB,SAACnnD,IAAI,CAAC8b,KAAN,EAAa9b,IAAI,CAAC+e,KAAlB,EAAyBvG,OAAzB,CAAiC,UAAAjY,MAAM,EAAI;AACzC,cAAIA,MAAM,IAAIA,MAAM,CAACwC,MAArB,EAA6B;AAC3B8kD,uBAAW,CAACz9C,IAAZ,CAAiB;AAAEjD,kBAAI,EAAEnH,IAAI,CAACmH,IAAb;AAAmBnH,kBAAI,EAAEO,MAAzB;AAAiCuwC,oBAAM,EAAE,OAAzC;AAAkDC,qBAAO,EAAE;AAA3D,aAAjB;AACD;AACF,SAJD;;AAKA,YAAI,CAAC+W,mBAAD,IAAwBD,WAAW,CAAC9kD,MAAxC,EAAgD;AAC9C8kD,qBAAW,CAACrvC,OAAZ,CAAoB,UAAAovC,SAAS,EAAI;AAC/B;AACA;AACA,gBAAI,MAAI,CAACjtC,KAAL,KAAemuB,KAAK,CAACO,OAAzB,EAAkC;AAChC;AACA,oBAAI,CAAC+G,gBAAL,GAAwB,IAAxB;;AACA,oBAAI,CAACjoB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAAC0e,gBAAvB,EAAyCiiC,SAAzC;AACD;AACF,WARD;AASA,eAAKC,WAAL,GAAmB,EAAnB;AACA,eAAKxX,QAAL,GAAgB,IAAhB;AACD;AACF,OAhE+B,CAiEhC;;;AACA,WAAKjI,IAAL;AACD;AACF,G;;SAED6I,Y,GAAA,sBAAcjxC,IAAd,EAAoB;AAClB,QAAM6pC,WAAW,GAAG,KAAKA,WAAzB;AACA,QAAM4G,OAAO,GAAGzwC,IAAI,CAAC+W,IAArB;;AACA,QAAI8yB,WAAW,IACX7pC,IAAI,CAAC8K,EAAL,KAAY,OADZ,IAEA2lC,OAAO,CAAC3lB,EAAR,KAAe+e,WAAW,CAAC/e,EAF3B,IAGA2lB,OAAO,CAACzlB,KAAR,KAAkB6e,WAAW,CAAC7e,KAH9B,IAIA,KAAKrQ,KAAL,KAAemuB,KAAK,CAACO,OAJzB,EAIkC;AAChC,WAAKpsB,KAAL,CAAWwa,OAAX,GAAqBnb,mCAAW,CAACD,GAAZ,EAArB;AACA,WAAK1B,KAAL,GAAamuB,KAAK,CAACQ,MAAnB;;AACA,WAAK4H,oBAAL;AACD;AACF,G;;SAEDmO,a,GAAA,yBAAiB;AACf;AACA,SAAKpV,WAAL,GAAmB,KAAKoH,WAAL,GAAmB,IAAtC;AACA,SAAKhH,cAAL,GAAsB,KAAtB;AACD,G;;SAEDiH,e,GAAA,yBAAiBtxC,IAAjB,EAAuB;AACrB,QAAIwU,UAAU,GAAGxU,IAAI,CAAC2hB,MAAL,CAAYjP,KAA7B;;AACA,QAAI8B,UAAJ,EAAgB;AACd,WAAKy1B,WAAL,GAAmBz1B,UAAU,CAACjU,MAA9B;AACA,WAAK8pC,cAAL,GAAsB,IAAtB;AACD;;AACD,QAAIrqC,IAAI,CAAC2hB,MAAL,CAAYlP,KAAhB,EAAuB;AACrB,WAAK4+B,WAAL,GAAmBrxC,IAAI,CAAC2hB,MAAL,CAAYlP,KAAZ,CAAkBlS,MAArC;AACD;AACF,G;;SAEDq8B,gB,GAAA,0BAAkB58B,IAAlB,EAAwB;AACtB,QAAIA,IAAI,CAAC8wC,MAAL,KAAgB,OAApB,EAA6B;AAC3B,UAAMn2B,KAAK,GAAG,KAAKA,KAAnB;;AACA,UAAIA,KAAK,KAAKmuB,KAAK,CAACO,OAAhB,IAA2B1uB,KAAK,KAAKmuB,KAAK,CAACQ,MAA/C,EAAuD;AACrD;AACA,aAAK8G,gBAAL,GAAyBpwC,IAAI,CAACyxC,OAAL,GAAe,CAAxC;;AACA,aAAKP,oBAAL;AACD;AACF;AACF,G;;SAEDA,oB,GAAA,gCAAwB;AACtB;AACA,QAAI,KAAKv2B,KAAL,KAAemuB,KAAK,CAACQ,MAArB,KAAgC,CAAC,KAAK+G,QAAN,IAAkB,CAAC,KAAKD,gBAAxD,CAAJ,EAA+E;AAC7E,UAAIr5B,IAAI,GAAG,KAAK8yB,WAAhB;AAAA,UAA6B5sB,KAAK,GAAG,KAAKA,KAA1C;AAAA,UAAiDkL,GAAG,GAAG,KAAKA,GAA5D;;AACA,UAAIpR,IAAJ,EAAU;AACR,aAAKkuB,YAAL,GAAoBluB,IAApB;AACAkG,aAAK,CAACkzB,SAAN,GAAkB7zB,mCAAW,CAACD,GAAZ,EAAlB;AACA8L,WAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAACugB,aAAlB,EAAiC;AAAEvK,eAAK,EAAEA,KAAT;AAAgBlG,cAAI,EAAEA,IAAtB;AAA4BjM,YAAE,EAAE;AAAhC,SAAjC;AACA,YAAIimB,KAAK,GAAG,KAAKkZ,WAAL,GAAmB,KAAKA,WAAxB,GAAsC,KAAKlZ,KAAvD;;AACA,YAAIA,KAAJ,EAAW;AACT3qB,0BAAM,CAACC,GAAP,uBAA+Bw8B,WAAU,CAACppB,QAAX,CAAoBsX,KAAK,CAACmK,QAA1B,CAA/B;AACD;;AACD,YAAI,KAAKisB,WAAL,IAAoB,KAAK9W,QAA7B,EAAuC;AACrC,eAAK8W,WAAL,GAAmB,KAAnB;AACAh/B,aAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAAC2f,oBAAlB,EAAwC;AAAE9b,cAAE,EAAE,KAAK+Y;AAAX,WAAxC;AACD;;AACD,aAAKlJ,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACD;;AACD,WAAKb,IAAL;AACD;AACF,G;;SAEDhS,O,GAAA,iBAASp2B,IAAT,EAAe;AACb,QAAI+W,IAAI,GAAG/W,IAAI,CAAC+W,IAAhB,CADa,CAEb;;AACA,QAAIA,IAAI,IAAIA,IAAI,CAAC5P,IAAL,KAAc,OAA1B,EAAmC;AACjC;AACD;;AAED,YAAQnH,IAAI,CAACsH,OAAb;AACA,WAAKC,sBAAY,CAACkyB,eAAlB;AACA,WAAKlyB,sBAAY,CAACmyB,iBAAlB;AACE,YAAM3iB,KAAI,GAAG/W,IAAI,CAAC+W,IAAlB,CADF,CAEE;;AACA,YAAIA,KAAI,IAAIA,KAAI,CAAC5P,IAAL,KAAc,OAA1B,EAAmC;AACjC;AACD;;AAED,YAAI,CAACnH,IAAI,CAACyH,KAAV,EAAiB;AACf,cAAI0rC,SAAS,GAAG,KAAKhI,aAArB;;AACA,cAAIgI,SAAJ,EAAe;AACbA,qBAAS;AACV,WAFD,MAEO;AACLA,qBAAS,GAAG,CAAZ;AACD;;AAED,cAAMztC,MAAM,GAAG,KAAKA,MAApB;;AACA,cAAIytC,SAAS,IAAIztC,MAAM,CAACmsC,mBAAxB,EAA6C;AAC3C,iBAAK1G,aAAL,GAAqBgI,SAArB,CAD2C,CAE3C;;AACA,gBAAMrB,KAAK,GAAGlkC,IAAI,CAACC,GAAL,CAASD,IAAI,CAAC2T,GAAL,CAAS,CAAT,EAAY4xB,SAAS,GAAG,CAAxB,IAA6BztC,MAAM,CAACq0B,qBAA7C,EAAoEr0B,MAAM,CAAC2zB,0BAA3E,CAAd;AACAjzB,4BAAM,CAACgN,IAAP,2DAAoE0+B,KAApE;AACA,iBAAKrG,SAAL,GAAiBnvB,mCAAW,CAACD,GAAZ,KAAoBy1B,KAArC,CAL2C,CAM3C;;AACA,iBAAKn3B,KAAL,GAAamuB,KAAK,CAACK,0BAAnB;AACD,WARD,MAQO;AACL/iC,4BAAM,CAACU,KAAP,6BAAuC9G,IAAI,CAACsH,OAA5C,kDADK,CAEL;;AACAtH,gBAAI,CAACyH,KAAL,GAAa,IAAb;AACA,iBAAKkT,KAAL,GAAamuB,KAAK,CAAC5hC,KAAnB;AACD;AACF;;AACD;;AACF,WAAKK,sBAAY,CAACixB,sBAAlB;AACA,WAAKjxB,sBAAY,CAACgxB,wBAAlB;AACA,WAAKhxB,sBAAY,CAACyyB,cAAlB;AACA,WAAKzyB,sBAAY,CAAC0yB,gBAAlB;AACE;AACA,YAAI,KAAKtf,KAAL,KAAemuB,KAAK,CAAC5hC,KAAzB,EAAgC;AAC9B;AACA,eAAKyT,KAAL,GAAa3a,IAAI,CAACyH,KAAL,GAAaqhC,KAAK,CAAC5hC,KAAnB,GAA2B4hC,KAAK,CAACG,IAA9C;AACA7iC,0BAAM,CAACgN,IAAP,6BAAsCpT,IAAI,CAACsH,OAA3C,8CAA2F,KAAKqT,KAAhG;AACD;;AACD;;AACF,WAAKpT,sBAAY,CAACyqC,iBAAlB;AACE;AACA,YAAIhyC,IAAI,CAAC8wC,MAAL,KAAgB,OAAhB,KAA4B,KAAKn2B,KAAL,KAAemuB,KAAK,CAACO,OAArB,IAAgC,KAAK1uB,KAAL,KAAemuB,KAAK,CAACQ,MAAjF,CAAJ,EAA8F;AAC5F,cAAMvY,KAAK,GAAG,KAAKkZ,WAAnB;AAAA,cACErL,WAAW,GAAG,KAAK7N,KAAL,CAAW6N,WAD3B;AAAA,cAEEgT,aAAa,GAAG7gB,KAAK,IAAI0M,YAAY,CAACC,UAAb,CAAwB3M,KAAxB,EAA+B6N,WAA/B,CAAT,IAAwDnB,YAAY,CAACC,UAAb,CAAwB3M,KAAxB,EAA+B6N,WAAW,GAAG,GAA7C,CAF1E,CAD4F,CAI1F;;AACF,cAAIgT,aAAJ,EAAmB;AACjB,gBAAMlsC,OAAM,GAAG,KAAKA,MAApB;;AACA,gBAAIA,OAAM,CAACymC,kBAAP,IAA6BzmC,OAAM,CAACwmC,eAAxC,EAAyD;AACvD;AACAxmC,qBAAM,CAACymC,kBAAP,IAA6B,CAA7B;AACA/lC,8BAAM,CAACgN,IAAP,yDAAkE1N,OAAM,CAACymC,kBAAzE;AACD;;AACD,iBAAKxxB,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACD,WARD,MAQO;AACL;AACA;AACA;AACA7iC,4BAAM,CAACgN,IAAP,CAAY,qGAAZ;AACA,iBAAKy2B,WAAL,GAAmB,IAAnB,CALK,CAML;;AACA,iBAAKlvB,KAAL,GAAamuB,KAAK,CAAChjB,eAAnB;AACA,iBAAKqC,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAAC6e,eAAvB,EAAwC;AAAExK,yBAAW,EAAE,CAAf;AAAkByzB,uBAAS,EAAEzhB,MAAM,CAACghB,iBAApC;AAAuDnnC,kBAAI,EAAE;AAA7D,aAAxC;AACD;AACF;;AACD;;AACF;AACE;AAzEF;AA2ED,G;;SAEDirC,e,GAAA,2BAAmB;AAAA;;AACjB,QAAIyV,WAAW,GAAG,KAAKA,WAAvB;;AACA,QAAIA,WAAW,IAAIA,WAAW,CAAC9kD,MAA/B,EAAuC;AACrCqD,sBAAM,CAACC,GAAP,CAAW,0EAAX;AACAwhD,iBAAW,CAACrvC,OAAZ,CAAoB,UAAAovC,SAAS,EAAI;AAC/B,cAAI,CAACz/B,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAAC0e,gBAAvB,EAAyCiiC,SAAzC;AACD,OAFD;AAGA,WAAKvX,QAAL,GAAgB,IAAhB;AACA,WAAKwX,WAAL,GAAmB,EAAnB;AACA,WAAKltC,KAAL,GAAamuB,KAAK,CAACQ,MAAnB;AACD,KARD,MAQO;AACL;AACA,WAAK3uB,KAAL,GAAamuB,KAAK,CAACG,IAAnB,CAFK,CAGL;;AACA,WAAKhE,YAAL,GAAoB,IAApB;AACA,WAAKmD,IAAL;AACD;AACF,G;;;;sBA9tBUmK,S,EAAW;AACpB,UAAI,KAAK53B,KAAL,KAAe43B,SAAnB,EAA8B;AAC5B,YAAMC,aAAa,GAAG,KAAK73B,KAA3B;AACA,aAAKqwB,MAAL,GAAcuH,SAAd;AACAnsC,wBAAM,CAACC,GAAP,mBAA2BmsC,aAA3B,UAA6CD,SAA7C;AACD;AACF,K;wBAEY;AACX,aAAO,KAAKvH,MAAZ;AACD;;;;EA7EiCtB,2C;;AAmyBrBid,yGAAf,E;;ACvzBA;;;;;;;;;;;;;;;AAgBe,4CAAC,YAAY;AAC1B,MAAI,OAAOvzB,MAAP,KAAkB,WAAlB,IAAiCA,MAAM,CAAC0jB,MAA5C,EAAoD;AAClD,WAAO1jB,MAAM,CAAC0jB,MAAd;AACD;;AAED,MAAIiR,WAAW,GAAG,MAAlB;AACA,MAAIC,gBAAgB,GAAG;AACrB,QAAI,IADiB;AAErBC,MAAE,EAAE,IAFiB;AAGrBC,MAAE,EAAE;AAHiB,GAAvB;AAKA,MAAIC,YAAY,GAAG;AACjBj0C,SAAK,EAAE,IADU;AAEjBk0C,UAAM,EAAE,IAFS;AAGjBzoC,OAAG,EAAE,IAHY;AAIjBk2B,QAAI,EAAE,IAJW;AAKjBC,SAAK,EAAE;AALU,GAAnB;;AAQA,WAASuS,oBAAT,CAA+B5tC,KAA/B,EAAsC;AACpC,QAAI,OAAOA,KAAP,KAAiB,QAArB,EAA+B;AAC7B,aAAO,KAAP;AACD;;AAED,QAAI6tC,GAAG,GAAGN,gBAAgB,CAACvtC,KAAK,CAACtS,WAAN,EAAD,CAA1B;AACA,WAAOmgD,GAAG,GAAG7tC,KAAK,CAACtS,WAAN,EAAH,GAAyB,KAAnC;AACD;;AAED,WAASogD,gBAAT,CAA2B9tC,KAA3B,EAAkC;AAChC,QAAI,OAAOA,KAAP,KAAiB,QAArB,EAA+B;AAC7B,aAAO,KAAP;AACD;;AAED,QAAI+tC,KAAK,GAAGL,YAAY,CAAC1tC,KAAK,CAACtS,WAAN,EAAD,CAAxB;AACA,WAAOqgD,KAAK,GAAG/tC,KAAK,CAACtS,WAAN,EAAH,GAAyB,KAArC;AACD;;AAED,WAASsgD,MAAT,CAAiBC,GAAjB,EAAsB;AACpB,QAAIhnD,CAAC,GAAG,CAAR;;AACA,WAAOA,CAAC,GAAGinD,SAAS,CAAC5lD,MAArB,EAA6BrB,CAAC,EAA9B,EAAkC;AAChC,UAAIknD,IAAI,GAAGD,SAAS,CAACjnD,CAAD,CAApB;;AACA,WAAK,IAAImnD,CAAT,IAAcD,IAAd,EAAoB;AAClBF,WAAG,CAACG,CAAD,CAAH,GAASD,IAAI,CAACC,CAAD,CAAb;AACD;AACF;;AAED,WAAOH,GAAP;AACD;;AAED,WAAS5R,MAAT,CAAiBh6B,SAAjB,EAA4BC,OAA5B,EAAqCnK,IAArC,EAA2C;AACzC,QAAI6jC,GAAG,GAAG,IAAV;AACA,QAAIqS,OAAO,GAAG,EAAd;AAEAA,WAAO,CAACC,UAAR,GAAqB,IAArB;AAEA;;;;AAKA;AACA;AACA;;AACAtS,OAAG,CAACuS,YAAJ,GAAmB,KAAnB;AAEA;;;;;AAKA,QAAIC,GAAG,GAAG,EAAV;AACA,QAAIC,YAAY,GAAG,KAAnB;AACA,QAAIC,UAAU,GAAGrsC,SAAjB;AACA,QAAIssC,QAAQ,GAAGrsC,OAAf;AACA,QAAIssC,KAAK,GAAGz2C,IAAZ;AACA,QAAI02C,OAAO,GAAG,IAAd;AACA,QAAIC,SAAS,GAAG,EAAhB;AACA,QAAIC,YAAY,GAAG,IAAnB;AACA,QAAIC,KAAK,GAAG,MAAZ;AACA,QAAIC,UAAU,GAAG,OAAjB;AACA,QAAIC,SAAS,GAAG,EAAhB;AACA,QAAIC,cAAc,GAAG,QAArB;AACA,QAAIC,KAAK,GAAG,EAAZ;AACA,QAAIC,MAAM,GAAG,QAAb;AAEArvB,UAAM,CAACsvB,cAAP,CAAsBtT,GAAtB,EAA2B,IAA3B,EAAiCgS,MAAM,CAAC,EAAD,EAAKK,OAAL,EAAc;AACnDkB,SAAG,EAAE,eAAY;AACf,eAAOf,GAAP;AACD,OAHkD;AAInDn7C,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpBwuC,WAAG,GAAG,KAAKxuC,KAAX;AACD;AANkD,KAAd,CAAvC;AASAggB,UAAM,CAACsvB,cAAP,CAAsBtT,GAAtB,EAA2B,aAA3B,EAA0CgS,MAAM,CAAC,EAAD,EAAKK,OAAL,EAAc;AAC5DkB,SAAG,EAAE,eAAY;AACf,eAAOd,YAAP;AACD,OAH2D;AAI5Dp7C,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpByuC,oBAAY,GAAG,CAAC,CAACzuC,KAAjB;AACD;AAN2D,KAAd,CAAhD;AASAggB,UAAM,CAACsvB,cAAP,CAAsBtT,GAAtB,EAA2B,WAA3B,EAAwCgS,MAAM,CAAC,EAAD,EAAKK,OAAL,EAAc;AAC1DkB,SAAG,EAAE,eAAY;AACf,eAAOb,UAAP;AACD,OAHyD;AAI1Dr7C,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB,YAAI,OAAOA,KAAP,KAAiB,QAArB,EAA+B;AAC7B,gBAAM,IAAIwvC,SAAJ,CAAc,qCAAd,CAAN;AACD;;AAEDd,kBAAU,GAAG1uC,KAAb;AACA,aAAKuuC,YAAL,GAAoB,IAApB;AACD;AAXyD,KAAd,CAA9C;AAcAvuB,UAAM,CAACsvB,cAAP,CAAsBtT,GAAtB,EAA2B,SAA3B,EAAsCgS,MAAM,CAAC,EAAD,EAAKK,OAAL,EAAc;AACxDkB,SAAG,EAAE,eAAY;AACf,eAAOZ,QAAP;AACD,OAHuD;AAIxDt7C,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB,YAAI,OAAOA,KAAP,KAAiB,QAArB,EAA+B;AAC7B,gBAAM,IAAIwvC,SAAJ,CAAc,mCAAd,CAAN;AACD;;AAEDb,gBAAQ,GAAG3uC,KAAX;AACA,aAAKuuC,YAAL,GAAoB,IAApB;AACD;AAXuD,KAAd,CAA5C;AAcAvuB,UAAM,CAACsvB,cAAP,CAAsBtT,GAAtB,EAA2B,MAA3B,EAAmCgS,MAAM,CAAC,EAAD,EAAKK,OAAL,EAAc;AACrDkB,SAAG,EAAE,eAAY;AACf,eAAOX,KAAP;AACD,OAHoD;AAIrDv7C,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB4uC,aAAK,GAAG,KAAK5uC,KAAb;AACA,aAAKuuC,YAAL,GAAoB,IAApB;AACD;AAPoD,KAAd,CAAzC;AAUAvuB,UAAM,CAACsvB,cAAP,CAAsBtT,GAAtB,EAA2B,QAA3B,EAAqCgS,MAAM,CAAC,EAAD,EAAKK,OAAL,EAAc;AACvDkB,SAAG,EAAE,eAAY;AACf,eAAOV,OAAP;AACD,OAHsD;AAIvDx7C,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB6uC,eAAO,GAAG7uC,KAAV;AACA,aAAKuuC,YAAL,GAAoB,IAApB;AACD;AAPsD,KAAd,CAA3C;AAUAvuB,UAAM,CAACsvB,cAAP,CAAsBtT,GAAtB,EAA2B,UAA3B,EAAuCgS,MAAM,CAAC,EAAD,EAAKK,OAAL,EAAc;AACzDkB,SAAG,EAAE,eAAY;AACf,eAAOT,SAAP;AACD,OAHwD;AAIzDz7C,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB,YAAIyvC,OAAO,GAAG7B,oBAAoB,CAAC5tC,KAAD,CAAlC,CADoB,CAEpB;;AACA,YAAIyvC,OAAO,KAAK,KAAhB,EAAuB;AACrB,gBAAM,IAAIC,WAAJ,CAAgB,6CAAhB,CAAN;AACD;;AAEDZ,iBAAS,GAAGW,OAAZ;AACA,aAAKlB,YAAL,GAAoB,IAApB;AACD;AAbwD,KAAd,CAA7C;AAgBAvuB,UAAM,CAACsvB,cAAP,CAAsBtT,GAAtB,EAA2B,aAA3B,EAA0CgS,MAAM,CAAC,EAAD,EAAKK,OAAL,EAAc;AAC5DkB,SAAG,EAAE,eAAY;AACf,eAAOR,YAAP;AACD,OAH2D;AAI5D17C,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB+uC,oBAAY,GAAG,CAAC,CAAC/uC,KAAjB;AACA,aAAKuuC,YAAL,GAAoB,IAApB;AACD;AAP2D,KAAd,CAAhD;AAUAvuB,UAAM,CAACsvB,cAAP,CAAsBtT,GAAtB,EAA2B,MAA3B,EAAmCgS,MAAM,CAAC,EAAD,EAAKK,OAAL,EAAc;AACrDkB,SAAG,EAAE,eAAY;AACf,eAAOP,KAAP;AACD,OAHoD;AAIrD37C,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB,YAAI,OAAOA,KAAP,KAAiB,QAAjB,IAA6BA,KAAK,KAAKstC,WAA3C,EAAwD;AACtD,gBAAM,IAAIoC,WAAJ,CAAgB,oDAAhB,CAAN;AACD;;AAEDV,aAAK,GAAGhvC,KAAR;AACA,aAAKuuC,YAAL,GAAoB,IAApB;AACD;AAXoD,KAAd,CAAzC;AAcAvuB,UAAM,CAACsvB,cAAP,CAAsBtT,GAAtB,EAA2B,WAA3B,EAAwCgS,MAAM,CAAC,EAAD,EAAKK,OAAL,EAAc;AAC1DkB,SAAG,EAAE,eAAY;AACf,eAAON,UAAP;AACD,OAHyD;AAI1D57C,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB,YAAIyvC,OAAO,GAAG3B,gBAAgB,CAAC9tC,KAAD,CAA9B;;AACA,YAAI,CAACyvC,OAAL,EAAc;AACZ,gBAAM,IAAIC,WAAJ,CAAgB,6CAAhB,CAAN;AACD;;AAEDT,kBAAU,GAAGQ,OAAb;AACA,aAAKlB,YAAL,GAAoB,IAApB;AACD;AAZyD,KAAd,CAA9C;AAeAvuB,UAAM,CAACsvB,cAAP,CAAsBtT,GAAtB,EAA2B,UAA3B,EAAuCgS,MAAM,CAAC,EAAD,EAAKK,OAAL,EAAc;AACzDkB,SAAG,EAAE,eAAY;AACf,eAAOL,SAAP;AACD,OAHwD;AAIzD77C,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB,YAAIA,KAAK,GAAG,CAAR,IAAaA,KAAK,GAAG,GAAzB,EAA8B;AAC5B,gBAAM,IAAIxX,KAAJ,CAAU,qCAAV,CAAN;AACD;;AAED0mD,iBAAS,GAAGlvC,KAAZ;AACA,aAAKuuC,YAAL,GAAoB,IAApB;AACD;AAXwD,KAAd,CAA7C;AAcAvuB,UAAM,CAACsvB,cAAP,CAAsBtT,GAAtB,EAA2B,eAA3B,EAA4CgS,MAAM,CAAC,EAAD,EAAKK,OAAL,EAAc;AAC9DkB,SAAG,EAAE,eAAY;AACf,eAAOJ,cAAP;AACD,OAH6D;AAI9D97C,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB,YAAIyvC,OAAO,GAAG3B,gBAAgB,CAAC9tC,KAAD,CAA9B;;AACA,YAAI,CAACyvC,OAAL,EAAc;AACZ,gBAAM,IAAIC,WAAJ,CAAgB,6CAAhB,CAAN;AACD;;AAEDP,sBAAc,GAAGM,OAAjB;AACA,aAAKlB,YAAL,GAAoB,IAApB;AACD;AAZ6D,KAAd,CAAlD;AAeAvuB,UAAM,CAACsvB,cAAP,CAAsBtT,GAAtB,EAA2B,MAA3B,EAAmCgS,MAAM,CAAC,EAAD,EAAKK,OAAL,EAAc;AACrDkB,SAAG,EAAE,eAAY;AACf,eAAOH,KAAP;AACD,OAHoD;AAIrD/7C,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB,YAAIA,KAAK,GAAG,CAAR,IAAaA,KAAK,GAAG,GAAzB,EAA8B;AAC5B,gBAAM,IAAIxX,KAAJ,CAAU,iCAAV,CAAN;AACD;;AAED4mD,aAAK,GAAGpvC,KAAR;AACA,aAAKuuC,YAAL,GAAoB,IAApB;AACD;AAXoD,KAAd,CAAzC;AAcAvuB,UAAM,CAACsvB,cAAP,CAAsBtT,GAAtB,EAA2B,OAA3B,EAAoCgS,MAAM,CAAC,EAAD,EAAKK,OAAL,EAAc;AACtDkB,SAAG,EAAE,eAAY;AACf,eAAOF,MAAP;AACD,OAHqD;AAItDh8C,SAAG,EAAE,aAAU2M,KAAV,EAAiB;AACpB,YAAIyvC,OAAO,GAAG3B,gBAAgB,CAAC9tC,KAAD,CAA9B;;AACA,YAAI,CAACyvC,OAAL,EAAc;AACZ,gBAAM,IAAIC,WAAJ,CAAgB,6CAAhB,CAAN;AACD;;AAEDL,cAAM,GAAGI,OAAT;AACA,aAAKlB,YAAL,GAAoB,IAApB;AACD;AAZqD,KAAd,CAA1C;AAeA;;;AAIA;;AACAvS,OAAG,CAAC2T,YAAJ,GAAmB,KAAK,CAAxB;AACD;AAED;;;;;AAIAtT,QAAM,CAAClc,SAAP,CAAiByvB,YAAjB,GAAgC,YAAY;AAC1C;AACA,QAAIC,MAAM,GAAGl3B,MAAM,CAACk3B,MAApB;AACA,WAAOA,MAAM,CAACC,mBAAP,CAA2Bn3B,MAA3B,EAAmC,KAAKxgB,IAAxC,CAAP;AACD,GAJD;;AAMA,SAAOkkC,MAAP;AACD,CA3Rc,GAAf,E;;AChBA;;;AAIA;;AAEA,IAAM0T,aAAa,GAAG,SAASA,aAAT,GAA0B;AAC9C,SAAO;AACL3pC,UAAM,EAAE,gBAAU7gB,IAAV,EAAgB;AACtB,UAAI,CAACA,IAAL,EAAW;AACT,eAAO,EAAP;AACD;;AAED,UAAI,OAAOA,IAAP,KAAgB,QAApB,EAA8B;AAC5B,cAAM,IAAIiD,KAAJ,CAAU,+BAAV,CAAN;AACD;;AAED,aAAOwnD,kBAAkB,CAACC,kBAAkB,CAAC1qD,IAAD,CAAnB,CAAzB;AACD;AAXI,GAAP;AAaD,CAdD;;AAgBA,SAAS2qD,SAAT,GAAsB;AACpB,OAAKv3B,MAAL,GAAcA,MAAd;AACA,OAAKzY,KAAL,GAAa,SAAb;AACA,OAAKpa,MAAL,GAAc,EAAd;AACA,OAAKmgB,OAAL,GAAe,IAAI8pC,aAAJ,EAAf;AACA,OAAKI,UAAL,GAAkB,EAAlB;AACD,C,CAED;;;AACA,SAASC,cAAT,CAAyB38B,KAAzB,EAAgC;AAC9B,WAAS48B,cAAT,CAAyB5wC,CAAzB,EAA4B6wC,CAA5B,EAA+BC,CAA/B,EAAkCC,CAAlC,EAAqC;AACnC,WAAO,CAAC/wC,CAAC,GAAG,CAAL,IAAU,IAAV,GAAiB,CAAC6wC,CAAC,GAAG,CAAL,IAAU,EAA3B,IAAiCC,CAAC,GAAG,CAArC,IAA0C,CAACC,CAAC,GAAG,CAAL,IAAU,IAA3D;AACD;;AAED,MAAIF,CAAC,GAAG78B,KAAK,CAACC,KAAN,CAAY,kCAAZ,CAAR;;AACA,MAAI,CAAC48B,CAAL,EAAQ;AACN,WAAO,IAAP;AACD;;AAED,MAAIA,CAAC,CAAC,CAAD,CAAL,EAAU;AACR;AACA,WAAOD,cAAc,CAACC,CAAC,CAAC,CAAD,CAAF,EAAOA,CAAC,CAAC,CAAD,CAAR,EAAaA,CAAC,CAAC,CAAD,CAAD,CAAK/pC,OAAL,CAAa,GAAb,EAAkB,EAAlB,CAAb,EAAoC+pC,CAAC,CAAC,CAAD,CAArC,CAArB;AACD,GAHD,MAGO,IAAIA,CAAC,CAAC,CAAD,CAAD,GAAO,EAAX,EAAe;AACpB;AACA;AACA,WAAOD,cAAc,CAACC,CAAC,CAAC,CAAD,CAAF,EAAOA,CAAC,CAAC,CAAD,CAAR,EAAa,CAAb,EAAgBA,CAAC,CAAC,CAAD,CAAjB,CAArB;AACD,GAJM,MAIA;AACL;AACA,WAAOD,cAAc,CAAC,CAAD,EAAIC,CAAC,CAAC,CAAD,CAAL,EAAUA,CAAC,CAAC,CAAD,CAAX,EAAgBA,CAAC,CAAC,CAAD,CAAjB,CAArB;AACD;AACF,C,CAED;AACA;;;AACA,SAASG,QAAT,GAAqB;AACnB,OAAKC,MAAL,GAAc1wB,MAAM,CAACC,MAAP,CAAc,IAAd,CAAd;AACD;;AAEDwwB,QAAQ,CAACtwB,SAAT,GAAqB;AACnB;AACA9sB,KAAG,EAAE,aAAUs9C,CAAV,EAAaC,CAAb,EAAgB;AACnB,QAAI,CAAC,KAAKrB,GAAL,CAASoB,CAAT,CAAD,IAAgBC,CAAC,KAAK,EAA1B,EAA8B;AAC5B,WAAKF,MAAL,CAAYC,CAAZ,IAAiBC,CAAjB;AACD;AACF,GANkB;AAOnB;AACA;AACA;AACA;AACA;AACArB,KAAG,EAAE,aAAUoB,CAAV,EAAaE,IAAb,EAAmBC,UAAnB,EAA+B;AAClC,QAAIA,UAAJ,EAAgB;AACd,aAAO,KAAKC,GAAL,CAASJ,CAAT,IAAc,KAAKD,MAAL,CAAYC,CAAZ,CAAd,GAA+BE,IAAI,CAACC,UAAD,CAA1C;AACD;;AAED,WAAO,KAAKC,GAAL,CAASJ,CAAT,IAAc,KAAKD,MAAL,CAAYC,CAAZ,CAAd,GAA+BE,IAAtC;AACD,GAlBkB;AAmBnB;AACAE,KAAG,EAAE,aAAUJ,CAAV,EAAa;AAChB,WAAOA,CAAC,IAAI,KAAKD,MAAjB;AACD,GAtBkB;AAuBnB;AACAM,KAAG,EAAE,aAAUL,CAAV,EAAaC,CAAb,EAAgBptB,CAAhB,EAAmB;AACtB,SAAK,IAAIytB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGztB,CAAC,CAACl7B,MAAtB,EAA8B,EAAE2oD,CAAhC,EAAmC;AACjC,UAAIL,CAAC,KAAKptB,CAAC,CAACytB,CAAD,CAAX,EAAgB;AACd,aAAK59C,GAAL,CAASs9C,CAAT,EAAYC,CAAZ;AACA;AACD;AACF;AACF,GA/BkB;AAgCnB;AACAM,SAAO,EAAE,iBAAUP,CAAV,EAAaC,CAAb,EAAgB;AACvB,QAAI,UAAU9iD,IAAV,CAAe8iD,CAAf,CAAJ,EAAuB;AAAE;AACvB,WAAKv9C,GAAL,CAASs9C,CAAT,EAAYj+C,QAAQ,CAACk+C,CAAD,EAAI,EAAJ,CAApB;AACD;AACF,GArCkB;AAsCnB;AACAO,SAAO,EAAE,iBAAUR,CAAV,EAAaC,CAAb,EAAgB;AACvB,QAAIN,CAAJ;;AACA,QAAKA,CAAC,GAAGM,CAAC,CAACl9B,KAAF,CAAQ,0BAAR,CAAT,EAA+C;AAC7Ck9B,OAAC,GAAGx9B,UAAU,CAACw9B,CAAD,CAAd;;AACA,UAAIA,CAAC,IAAI,CAAL,IAAUA,CAAC,IAAI,GAAnB,EAAwB;AACtB,aAAKv9C,GAAL,CAASs9C,CAAT,EAAYC,CAAZ;AACA,eAAO,IAAP;AACD;AACF;;AACD,WAAO,KAAP;AACD;AAjDkB,CAArB,C,CAoDA;AACA;;AACA,SAASQ,YAAT,CAAuB39B,KAAvB,EAA8B/nB,QAA9B,EAAwC2lD,aAAxC,EAAuDC,UAAvD,EAAmE;AACjE,MAAIz8B,MAAM,GAAGy8B,UAAU,GAAG79B,KAAK,CAAC5C,KAAN,CAAYygC,UAAZ,CAAH,GAA6B,CAAC79B,KAAD,CAApD;;AACA,OAAK,IAAIxsB,CAAT,IAAc4tB,MAAd,EAAsB;AACpB,QAAI,OAAOA,MAAM,CAAC5tB,CAAD,CAAb,KAAqB,QAAzB,EAAmC;AACjC;AACD;;AAED,QAAIsqD,EAAE,GAAG18B,MAAM,CAAC5tB,CAAD,CAAN,CAAU4pB,KAAV,CAAgBwgC,aAAhB,CAAT;;AACA,QAAIE,EAAE,CAACjpD,MAAH,KAAc,CAAlB,EAAqB;AACnB;AACD;;AAED,QAAIqoD,CAAC,GAAGY,EAAE,CAAC,CAAD,CAAV;AACA,QAAIX,CAAC,GAAGW,EAAE,CAAC,CAAD,CAAV;AACA7lD,YAAQ,CAACilD,CAAD,EAAIC,CAAJ,CAAR;AACD;AACF;;AAED,IAAIY,QAAQ,GAAG,IAAInV,MAAJ,CAAW,CAAX,EAAc,CAAd,EAAiB,CAAjB,CAAf,C,CACA;AACA;;AACA,IAAIoV,MAAM,GAAGD,QAAQ,CAACzD,KAAT,KAAmB,QAAnB,GAA8B,QAA9B,GAAyC,QAAtD;;AAEA,SAAS2D,QAAT,CAAmBj+B,KAAnB,EAA0BuoB,GAA1B,EAA+BmU,UAA/B,EAA2C;AACzC;AACA,MAAIwB,MAAM,GAAGl+B,KAAb,CAFyC,CAGzC;;AACA,WAASm+B,gBAAT,GAA6B;AAC3B,QAAIC,EAAE,GAAGzB,cAAc,CAAC38B,KAAD,CAAvB;;AACA,QAAIo+B,EAAE,KAAK,IAAX,EAAiB;AACf,YAAM,IAAIrpD,KAAJ,CAAU,0BAA0BmpD,MAApC,CAAN;AACD,KAJ0B,CAM3B;;;AACAl+B,SAAK,GAAGA,KAAK,CAAClN,OAAN,CAAc,gBAAd,EAAgC,EAAhC,CAAR;AACA,WAAOsrC,EAAP;AACD,GAbwC,CAezC;;;AACA,WAASC,kBAAT,CAA6Br+B,KAA7B,EAAoCuoB,GAApC,EAAyC;AACvC,QAAI+V,QAAQ,GAAG,IAAItB,QAAJ,EAAf;AAEAW,gBAAY,CAAC39B,KAAD,EAAQ,UAAUk9B,CAAV,EAAaC,CAAb,EAAgB;AAClC,cAAQD,CAAR;AACA,aAAK,QAAL;AACE;AACA,eAAK,IAAI1pD,CAAC,GAAGkpD,UAAU,CAAC7nD,MAAX,GAAoB,CAAjC,EAAoCrB,CAAC,IAAI,CAAzC,EAA4CA,CAAC,EAA7C,EAAiD;AAC/C,gBAAIkpD,UAAU,CAAClpD,CAAD,CAAV,CAAcoJ,EAAd,KAAqBugD,CAAzB,EAA4B;AAC1BmB,sBAAQ,CAAC1+C,GAAT,CAAas9C,CAAb,EAAgBR,UAAU,CAAClpD,CAAD,CAAV,CAAc+qD,MAA9B;AACA;AACD;AACF;;AACD;;AACF,aAAK,UAAL;AACED,kBAAQ,CAACf,GAAT,CAAaL,CAAb,EAAgBC,CAAhB,EAAmB,CAAC,IAAD,EAAO,IAAP,CAAnB;AACA;;AACF,aAAK,MAAL;AACE,cAAIqB,IAAI,GAAGrB,CAAC,CAAC//B,KAAF,CAAQ,GAAR,CAAX;AAAA,cACEqhC,KAAK,GAAGD,IAAI,CAAC,CAAD,CADd;AAEAF,kBAAQ,CAACb,OAAT,CAAiBP,CAAjB,EAAoBuB,KAApB;;AACA,cAAIH,QAAQ,CAACZ,OAAT,CAAiBR,CAAjB,EAAoBuB,KAApB,CAAJ,EAAgC;AAC9BH,oBAAQ,CAAC1+C,GAAT,CAAa,aAAb,EAA4B,KAA5B;AACD;;AAED0+C,kBAAQ,CAACf,GAAT,CAAaL,CAAb,EAAgBuB,KAAhB,EAAuB,CAAC,MAAD,CAAvB;;AACA,cAAID,IAAI,CAAC3pD,MAAL,KAAgB,CAApB,EAAuB;AACrBypD,oBAAQ,CAACf,GAAT,CAAa,WAAb,EAA0BiB,IAAI,CAAC,CAAD,CAA9B,EAAmC,CAAC,OAAD,EAAUR,MAAV,EAAkB,KAAlB,CAAnC;AACD;;AAED;;AACF,aAAK,UAAL;AACEQ,cAAI,GAAGrB,CAAC,CAAC//B,KAAF,CAAQ,GAAR,CAAP;AACAkhC,kBAAQ,CAACZ,OAAT,CAAiBR,CAAjB,EAAoBsB,IAAI,CAAC,CAAD,CAAxB;;AACA,cAAIA,IAAI,CAAC3pD,MAAL,KAAgB,CAApB,EAAuB;AACrBypD,oBAAQ,CAACf,GAAT,CAAa,eAAb,EAA8BiB,IAAI,CAAC,CAAD,CAAlC,EAAuC,CAAC,OAAD,EAAUR,MAAV,EAAkB,KAAlB,EAAyB,WAAzB,EAAsC,YAAtC,EAAoD,MAApD,CAAvC;AACD;;AAED;;AACF,aAAK,MAAL;AACEM,kBAAQ,CAACZ,OAAT,CAAiBR,CAAjB,EAAoBC,CAApB;AACA;;AACF,aAAK,OAAL;AACEmB,kBAAQ,CAACf,GAAT,CAAaL,CAAb,EAAgBC,CAAhB,EAAmB,CAAC,OAAD,EAAUa,MAAV,EAAkB,KAAlB,EAAyB,MAAzB,EAAiC,OAAjC,CAAnB;AACA;AAxCF;AA0CD,KA3CW,EA2CT,GA3CS,EA2CJ,IA3CI,CAAZ,CAHuC,CAgDvC;;AACAzV,OAAG,CAACgW,MAAJ,GAAaD,QAAQ,CAACxC,GAAT,CAAa,QAAb,EAAuB,IAAvB,CAAb;AACAvT,OAAG,CAACmW,QAAJ,GAAeJ,QAAQ,CAACxC,GAAT,CAAa,UAAb,EAAyB,EAAzB,CAAf;AACA,QAAI6C,IAAI,GAAGL,QAAQ,CAACxC,GAAT,CAAa,MAAb,EAAqB,MAArB,CAAX;;AACA,QAAI6C,IAAI,KAAK,MAAT,IAAmBZ,QAAQ,CAACY,IAAT,KAAkB,CAAC,CAA1C,EAA6C;AAC3C;AACAA,UAAI,GAAG,CAAC,CAAR;AACD;;AACDpW,OAAG,CAACoW,IAAJ,GAAWA,IAAX;AACApW,OAAG,CAACqW,SAAJ,GAAgBN,QAAQ,CAACxC,GAAT,CAAa,WAAb,EAA0B,OAA1B,CAAhB;AACAvT,OAAG,CAACsW,WAAJ,GAAkBP,QAAQ,CAACxC,GAAT,CAAa,aAAb,EAA4B,IAA5B,CAAlB;AACAvT,OAAG,CAACtoC,IAAJ,GAAWq+C,QAAQ,CAACxC,GAAT,CAAa,MAAb,EAAqB,GAArB,CAAX;AACAvT,OAAG,CAAC+R,KAAJ,GAAYgE,QAAQ,CAACxC,GAAT,CAAa,OAAb,EAAsBkC,MAAtB,CAAZ;AACA,QAAI1+C,QAAQ,GAAGg/C,QAAQ,CAACxC,GAAT,CAAa,UAAb,EAAyB,MAAzB,CAAf;;AACA,QAAIx8C,QAAQ,KAAK,MAAb,IAAuBy+C,QAAQ,CAACz+C,QAAT,KAAsB,EAAjD,EAAqD;AACnD;AACAA,cAAQ,GAAGipC,GAAG,CAAC+R,KAAJ,KAAc,OAAd,IAAyB/R,GAAG,CAAC+R,KAAJ,KAAc,MAAvC,GAAgD,CAAhD,GAAoD/R,GAAG,CAAC+R,KAAJ,KAAc,KAAd,IAAuB/R,GAAG,CAAC+R,KAAJ,KAAc,OAArC,GAA+C,GAA/C,GAAqD,EAApH;AACD;;AACD/R,OAAG,CAACjpC,QAAJ,GAAeA,QAAf;AACD;;AAED,WAASw/C,cAAT,GAA2B;AACzB9+B,SAAK,GAAGA,KAAK,CAAClN,OAAN,CAAc,MAAd,EAAsB,EAAtB,CAAR;AACD,GAvFwC,CAyFzC;;;AACAgsC,gBAAc;AACdvW,KAAG,CAAC35B,SAAJ,GAAgBuvC,gBAAgB,EAAhC,CA3FyC,CA2FL;;AACpCW,gBAAc;;AACd,MAAI9+B,KAAK,CAACyB,MAAN,CAAa,CAAb,EAAgB,CAAhB,MAAuB,KAA3B,EAAkC;AAAE;AAClC,UAAM,IAAI1sB,KAAJ,CAAU,sEACdmpD,MADI,CAAN;AAED;;AACDl+B,OAAK,GAAGA,KAAK,CAACyB,MAAN,CAAa,CAAb,CAAR;AACAq9B,gBAAc;AACdvW,KAAG,CAAC15B,OAAJ,GAAcsvC,gBAAgB,EAA9B,CAnGyC,CAmGP;AAElC;;AACAW,gBAAc;AACdT,oBAAkB,CAACr+B,KAAD,EAAQuoB,GAAR,CAAlB;AACD;;AAED,SAASwW,aAAT,CAAwB/+B,KAAxB,EAA+B;AAC7B,SAAOA,KAAK,CAAClN,OAAN,CAAc,gBAAd,EAAgC,IAAhC,CAAP;AACD;;AAED2pC,SAAS,CAAC/vB,SAAV,GAAsB;AACpBrc,OAAK,EAAE,eAAUve,IAAV,EAAgB;AACrB,QAAI2d,IAAI,GAAG,IAAX,CADqB,CAGrB;AACA;AACA;;AACA,QAAI3d,IAAJ,EAAU;AACR;AACA2d,UAAI,CAACpd,MAAL,IAAeod,IAAI,CAAC+C,OAAL,CAAaG,MAAb,CAAoB7gB,IAApB,EAA0B;AAAE8W,cAAM,EAAE;AAAV,OAA1B,CAAf;AACD;;AAED,aAASo2C,eAAT,GAA4B;AAC1B,UAAI3sD,MAAM,GAAGod,IAAI,CAACpd,MAAlB;AACA,UAAI8Z,GAAG,GAAG,CAAV;AAEA9Z,YAAM,GAAG0sD,aAAa,CAAC1sD,MAAD,CAAtB;;AAEA,aAAO8Z,GAAG,GAAG9Z,MAAM,CAACwC,MAAb,IAAuBxC,MAAM,CAAC8Z,GAAD,CAAN,KAAgB,IAAvC,IAA+C9Z,MAAM,CAAC8Z,GAAD,CAAN,KAAgB,IAAtE,EAA4E;AAC1E,UAAEA,GAAF;AACD;;AAED,UAAIwyC,IAAI,GAAGtsD,MAAM,CAACovB,MAAP,CAAc,CAAd,EAAiBtV,GAAjB,CAAX,CAV0B,CAW1B;;AACA,UAAI9Z,MAAM,CAAC8Z,GAAD,CAAN,KAAgB,IAApB,EAA0B;AACxB,UAAEA,GAAF;AACD;;AAED,UAAI9Z,MAAM,CAAC8Z,GAAD,CAAN,KAAgB,IAApB,EAA0B;AACxB,UAAEA,GAAF;AACD;;AAEDsD,UAAI,CAACpd,MAAL,GAAcA,MAAM,CAACovB,MAAP,CAActV,GAAd,CAAd;AACA,aAAOwyC,IAAP;AACD,KAjCoB,CAmCrB;;;AACA,aAASvgD,WAAT,CAAsB4hB,KAAtB,EAA6B;AAC3B29B,kBAAY,CAAC39B,KAAD,EAAQ,UAAUk9B,CAAV,EAAaC,CAAb,EAAgB;AAClC,gBAAQD,CAAR;AACA,eAAK,QAAL;AACE;AACA;AACA;AACA;AALF;AAOD,OARW,EAQT,GARS,CAAZ;AASD,KA9CoB,CAgDrB;;;AACA,QAAI;AACF,UAAIyB,IAAJ;;AACA,UAAIlvC,IAAI,CAAChD,KAAL,KAAe,SAAnB,EAA8B;AAC5B;AACA,YAAI,CAAC,UAAUpS,IAAV,CAAeoV,IAAI,CAACpd,MAApB,CAAL,EAAkC;AAChC,iBAAO,IAAP;AACD;;AAEDssD,YAAI,GAAGK,eAAe,EAAtB,CAN4B,CAO5B;AACA;;AACA,YAAInC,CAAC,GAAG8B,IAAI,CAAC1+B,KAAL,CAAW,0BAAX,CAAR;;AACA,YAAI,CAAC48B,CAAD,IAAM,CAACA,CAAC,CAAC,CAAD,CAAZ,EAAiB;AACf,gBAAM,IAAI9nD,KAAJ,CAAU,6BAAV,CAAN;AACD;;AAED0a,YAAI,CAAChD,KAAL,GAAa,QAAb;AACD;;AAED,UAAIwyC,oBAAoB,GAAG,KAA3B;;AACA,aAAOxvC,IAAI,CAACpd,MAAZ,EAAoB;AAClB;AACA,YAAI,CAAC,UAAUgI,IAAV,CAAeoV,IAAI,CAACpd,MAApB,CAAL,EAAkC;AAChC,iBAAO,IAAP;AACD;;AAED,YAAI,CAAC4sD,oBAAL,EAA2B;AACzBN,cAAI,GAAGK,eAAe,EAAtB;AACD,SAFD,MAEO;AACLC,8BAAoB,GAAG,KAAvB;AACD;;AAED,gBAAQxvC,IAAI,CAAChD,KAAb;AACA,eAAK,QAAL;AACE;AACA,gBAAI,IAAIpS,IAAJ,CAASskD,IAAT,CAAJ,EAAoB;AAClBvgD,yBAAW,CAACugD,IAAD,CAAX;AACD,aAFD,MAEO,IAAI,CAACA,IAAL,EAAW;AAChB;AACAlvC,kBAAI,CAAChD,KAAL,GAAa,IAAb;AACD;;AACD;;AACF,eAAK,MAAL;AACE;AACA,gBAAI,CAACkyC,IAAL,EAAW;AACTlvC,kBAAI,CAAChD,KAAL,GAAa,IAAb;AACD;;AAED;;AACF,eAAK,IAAL;AACE;AACA,gBAAI,iBAAiBpS,IAAjB,CAAsBskD,IAAtB,CAAJ,EAAiC;AAC/BlvC,kBAAI,CAAChD,KAAL,GAAa,MAAb;AACA;AACD,aALH,CAME;;;AACA,gBAAI,CAACkyC,IAAL,EAAW;AACT;AACD;;AAEDlvC,gBAAI,CAAC84B,GAAL,GAAW,IAAIK,MAAJ,CAAW,CAAX,EAAc,CAAd,EAAiB,EAAjB,CAAX;AACAn5B,gBAAI,CAAChD,KAAL,GAAa,KAAb,CAZF,CAaE;;AACA,gBAAIkyC,IAAI,CAACpkD,OAAL,CAAa,KAAb,MAAwB,CAAC,CAA7B,EAAgC;AAC9BkV,kBAAI,CAAC84B,GAAL,CAAS3rC,EAAT,GAAc+hD,IAAd;AACA;AACD;;AACD;;AACA;;AACF,eAAK,KAAL;AACE;AACA,gBAAI;AACFV,sBAAQ,CAACU,IAAD,EAAOlvC,IAAI,CAAC84B,GAAZ,EAAiB94B,IAAI,CAACitC,UAAtB,CAAR;AACD,aAFD,CAEE,OAAO7kD,CAAP,EAAU;AACV;AACA4X,kBAAI,CAAC84B,GAAL,GAAW,IAAX;AACA94B,kBAAI,CAAChD,KAAL,GAAa,QAAb;AACA;AACD;;AACDgD,gBAAI,CAAChD,KAAL,GAAa,SAAb;AACA;;AACF,eAAK,SAAL;AACE,gBAAIyyC,YAAY,GAAGP,IAAI,CAACpkD,OAAL,CAAa,KAAb,MAAwB,CAAC,CAA5C,CADF,CAEE;AACA;AACA;AACA;;AACA,gBAAI,CAACokD,IAAD,IAASO,YAAY,KAAKD,oBAAoB,GAAG,IAA5B,CAAzB,EAA4D;AAC1D;AACA,kBAAIxvC,IAAI,CAAC0vC,KAAT,EAAgB;AACd1vC,oBAAI,CAAC0vC,KAAL,CAAW1vC,IAAI,CAAC84B,GAAhB;AACD;;AAED94B,kBAAI,CAAC84B,GAAL,GAAW,IAAX;AACA94B,kBAAI,CAAChD,KAAL,GAAa,IAAb;AACA;AACD;;AACD,gBAAIgD,IAAI,CAAC84B,GAAL,CAAS7jC,IAAb,EAAmB;AACjB+K,kBAAI,CAAC84B,GAAL,CAAS7jC,IAAT,IAAiB,IAAjB;AACD;;AAED+K,gBAAI,CAAC84B,GAAL,CAAS7jC,IAAT,IAAiBi6C,IAAjB;AACA;;AACF,eAAK,QAAL;AAAe;AACb;AACA,gBAAI,CAACA,IAAL,EAAW;AACTlvC,kBAAI,CAAChD,KAAL,GAAa,IAAb;AACD;;AAED;AA7EF;AA+ED;AACF,KAhHD,CAgHE,OAAO5U,CAAP,EAAU;AACV;AACA,UAAI4X,IAAI,CAAChD,KAAL,KAAe,SAAf,IAA4BgD,IAAI,CAAC84B,GAAjC,IAAwC94B,IAAI,CAAC0vC,KAAjD,EAAwD;AACtD1vC,YAAI,CAAC0vC,KAAL,CAAW1vC,IAAI,CAAC84B,GAAhB;AACD;;AAED94B,UAAI,CAAC84B,GAAL,GAAW,IAAX,CANU,CAOV;AACA;;AACA94B,UAAI,CAAChD,KAAL,GAAagD,IAAI,CAAChD,KAAL,KAAe,SAAf,GAA2B,WAA3B,GAAyC,QAAtD;AACD;;AACD,WAAO,IAAP;AACD,GA9KmB;AA+KpB2yC,OAAK,EAAE,iBAAY;AACjB,QAAI3vC,IAAI,GAAG,IAAX;;AACA,QAAI;AACF;AACAA,UAAI,CAACpd,MAAL,IAAeod,IAAI,CAAC+C,OAAL,CAAaG,MAAb,EAAf,CAFE,CAGF;;AACA,UAAIlD,IAAI,CAAC84B,GAAL,IAAY94B,IAAI,CAAChD,KAAL,KAAe,QAA/B,EAAyC;AACvCgD,YAAI,CAACpd,MAAL,IAAe,MAAf;AACAod,YAAI,CAACY,KAAL;AACD,OAPC,CAQF;AACA;AACA;;;AACA,UAAIZ,IAAI,CAAChD,KAAL,KAAe,SAAnB,EAA8B;AAC5B,cAAM,IAAI1X,KAAJ,CAAU,6BAAV,CAAN;AACD;AACF,KAdD,CAcE,OAAO8C,CAAP,EAAU;AACV,YAAMA,CAAN;AACD;;AACD,QAAI4X,IAAI,CAAC4vC,OAAT,EAAkB;AAChB5vC,UAAI,CAAC4vC,OAAL;AACD;;AAED,WAAO,IAAP;AACD;AAvMmB,CAAtB;AA0MA;AAEe5C,uDAAf,E;;ACncA;AAUO,SAAS6C,MAAT,CAAiBlkD,KAAjB,EAAmCwT,SAAnC,EAAsDC,OAAtD,EAAuE0wC,aAAvE,EAAqG;AAC1G,MAAIC,GAAJ,CAD0G,CAE1G;;AACA,MAAIjX,GAAJ;AACA,MAAIkX,SAAJ;AACA,MAAIC,MAAJ;AACA,MAAIh7C,IAAJ;AACA,MAAIkkC,MAAc,GAAI1jB,MAAD,CAAgB0jB,MAAhB,IAAoCC,YAAzD;;AAEA,OAAK,IAAIjU,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG2qB,aAAa,CAACI,IAAd,CAAmB9qD,MAAvC,EAA+C+/B,CAAC,EAAhD,EAAoD;AAClD4qB,OAAG,GAAGD,aAAa,CAACI,IAAd,CAAmB/qB,CAAnB,CAAN;AACA6qB,aAAS,GAAG,IAAZ;AACAC,UAAM,GAAG,CAAT;AACAh7C,QAAI,GAAG,EAAP;;AAEA,QAAI,CAAC86C,GAAG,CAACI,OAAJ,EAAL,EAAoB;AAClB,WAAK,IAAI7sC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGysC,GAAG,CAACK,KAAJ,CAAUhrD,MAA9B,EAAsCke,CAAC,EAAvC,EAA2C;AACzC,YAAIysC,GAAG,CAACK,KAAJ,CAAU9sC,CAAV,EAAa+sC,KAAb,CAAmB7/B,KAAnB,CAAyB,IAAzB,KAAkCw/B,SAAtC,EAAiD;AAC/CC,gBAAM;AACP,SAFD,MAEO;AACLh7C,cAAI,IAAI86C,GAAG,CAACK,KAAJ,CAAU9sC,CAAV,EAAa+sC,KAArB;AACAL,mBAAS,GAAG,KAAZ;AACD;AACF,OARiB,CASlB;;;AACAD,SAAG,CAACO,YAAJ,GAAmBnxC,SAAnB,CAVkB,CAYlB;;AACA,UAAIA,SAAS,KAAKC,OAAlB,EAA2B;AACzBA,eAAO,IAAI,MAAX;AACD;;AAED05B,SAAG,GAAG,IAAIK,MAAJ,CAAWh6B,SAAX,EAAsBC,OAAtB,EAA+BkwC,aAAa,CAACr6C,IAAI,CAACs7C,IAAL,EAAD,CAA5C,CAAN;;AAEA,UAAIN,MAAM,IAAI,EAAd,EAAkB;AAChBA,cAAM;AACP,OAFD,MAEO;AACLA,cAAM;AACP,OAvBiB,CAyBlB;AACA;;;AACA,UAAI1lD,SAAS,CAACD,SAAV,CAAoBkmB,KAApB,CAA0B,WAA1B,CAAJ,EAA4C;AAC1CsoB,WAAG,CAACoW,IAAJ,GAAW/pB,CAAC,GAAG,CAAf;AACD,OAFD,MAEO;AACL2T,WAAG,CAACoW,IAAJ,GAAY/pB,CAAC,GAAG,CAAJ,GAAQA,CAAC,GAAG,CAAZ,GAAgBA,CAAC,GAAG,CAAhC;AACD;;AAED2T,SAAG,CAAC+R,KAAJ,GAAY,MAAZ,CAjCkB,CAkClB;;AACA/R,SAAG,CAACjpC,QAAJ,GAAeI,IAAI,CAACoX,GAAL,CAAS,CAAT,EAAYpX,IAAI,CAACC,GAAL,CAAS,GAAT,EAAc,OAAO+/C,MAAM,GAAG,EAAhB,CAAd,CAAZ,CAAf;AACAtkD,WAAK,CAAC0tC,MAAN,CAAaP,GAAb;AACD;AACF;AACF,C;;AC9DD;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAqCA;;;AAIA,IAAI0X,uBAAuB,GAAG;AAC5B,QAAM,IADsB;AAChB;AACZ,QAAM,IAFsB;AAEhB;AACZ,QAAM,IAHsB;AAGhB;AACZ,QAAM,IAJsB;AAIhB;AACZ,QAAM,IALsB;AAKhB;AACZ,QAAM,IANsB;AAMhB;AACZ,QAAM,IAPsB;AAOhB;AACZ,QAAM,IARsB;AAQhB;AACZ,QAAM,IATsB;AAShB;AACZ,QAAM,MAVsB;AAUd;AACd;AACA;AACA;AACA,QAAM,IAdsB;AAchB;AACZ,QAAM,IAfsB;AAehB;AACZ,QAAM,IAhBsB;AAgBhB;AACZ,QAAM,IAjBsB;AAiBhB;AACZ,QAAM,MAlBsB;AAkBd;AACd,QAAM,IAnBsB;AAmBhB;AACZ,QAAM,IApBsB;AAoBhB;AACZ,QAAM,MArBsB;AAqBd;AACd,QAAM,IAtBsB;AAsBhB;AACZ,QAAM,IAvBsB;AAuBhB;AACZ,QAAM,IAxBsB;AAwBhB;AACZ,QAAM,IAzBsB;AAyBhB;AACZ,QAAM,IA1BsB;AA0BhB;AACZ,QAAM,IA3BsB;AA2BhB;AACZ,QAAM,IA5BsB;AA4BhB;AACZ,QAAM,IA7BsB;AA6BhB;AACZ;AACA;AACA,QAAM,IAhCsB;AAgChB;AACZ,QAAM,IAjCsB;AAiChB;AACZ,QAAM,IAlCsB;AAkChB;AACZ,QAAM,IAnCsB;AAmChB;AACZ,QAAM,IApCsB;AAoChB;AACZ,QAAM,IArCsB;AAqChB;AACZ,QAAM,MAtCsB;AAsCd;AACd,QAAM,IAvCsB;AAuChB;AACZ,QAAM,IAxCsB;AAwChB;AACZ,QAAM,MAzCsB;AAyCd;AACd,QAAM,MA1CsB;AA0Cd;AACd,QAAM,IA3CsB;AA2ChB;AACZ,QAAM,MA5CsB;AA4Cd;AACd,QAAM,MA7CsB;AA6Cd;AACd,QAAM,MA9CsB;AA8Cd;AACd,QAAM,MA/CsB;AA+Cd;AACd,QAAM,IAhDsB;AAgDhB;AACZ,QAAM,IAjDsB;AAiDhB;AACZ,QAAM,IAlDsB;AAkDhB;AACZ,QAAM,IAnDsB;AAmDhB;AACZ,QAAM,IApDsB;AAoDhB;AACZ,QAAM,IArDsB;AAqDhB;AACZ,QAAM,IAtDsB;AAsDhB;AACZ,QAAM,IAvDsB;AAuDhB;AACZ,QAAM,IAxDsB;AAwDhB;AACZ,QAAM,IAzDsB;AAyDhB;AACZ,QAAM,IA1DsB;AA0DhB;AACZ,QAAM,IA3DsB;AA2DhB;AACZ,QAAM,IA5DsB;AA4DhB;AACZ,QAAM,IA7DsB;AA6DhB;AACZ,QAAM,IA9DsB;AA8DhB;AACZ,QAAM,IA/DsB;AA+DhB;AACZ;AACA;AACA,QAAM,IAlEsB;AAkEhB;AACZ,QAAM,IAnEsB;AAmEhB;AACZ,QAAM,IApEsB;AAoEhB;AACZ,QAAM,IArEsB;AAqEhB;AACZ,QAAM,IAtEsB;AAsEhB;AACZ,QAAM,IAvEsB;AAuEhB;AACZ,QAAM,IAxEsB;AAwEhB;AACZ,QAAM,IAzEsB;AAyEhB;AACZ,QAAM,IA1EsB;AA0EhB;AACZ,QAAM,IA3EsB;AA2EhB;AACZ,QAAM,IA5EsB;AA4EhB;AACZ,QAAM,IA7EsB;AA6EhB;AACZ,QAAM,IA9EsB;AA8EhB;AACZ,QAAM,IA/EsB;AA+EhB;AACZ,QAAM,IAhFsB;AAgFhB;AACZ,QAAM,MAjFsB;AAiFd;AACd,QAAM,IAlFsB;AAkFhB;AACZ,QAAM,IAnFsB;AAmFhB;AACZ,QAAM,IApFsB;AAoFhB;AACZ,QAAM,IArFsB;AAqFhB;AACZ,QAAM,IAtFsB;AAsFhB;AACZ,QAAM,IAvFsB;AAuFhB;AACZ,QAAM,IAxFsB;AAwFhB;AACZ,QAAM,MAzFsB;AAyFd;AACd,QAAM,IA1FsB;AA0FhB;AACZ,QAAM,IA3FsB;AA2FhB;AACZ,QAAM,IA5FsB;AA4FhB;AACZ,QAAM,IA7FsB;AA6FhB;AACZ,QAAM,MA9FsB;AA8Fd;AACd,QAAM,MA/FsB;AA+Fd;AACd,QAAM,MAhGsB;AAgGd;AACd,QAAM,MAjGsB,CAiGf;;AAjGe,CAA9B;AAoGA;;;;AAGA,IAAIC,cAAc,GAAG,SAAjBA,cAAiB,CAAUC,IAAV,EAAwB;AAC3C,MAAIC,QAAQ,GAAGD,IAAf;;AACA,MAAIF,uBAAuB,CAACjhC,cAAxB,CAAuCmhC,IAAvC,CAAJ,EAAkD;AAChDC,YAAQ,GAAGH,uBAAuB,CAACE,IAAD,CAAlC;AACD;;AAED,SAAO5uC,MAAM,CAACC,YAAP,CAAoB4uC,QAApB,CAAP;AACD,CAPD;;AASA,IAAIC,OAAO,GAAG,EAAd;AAAA,IACEC,OAAO,GAAG,GADZ,C,CAEA;;AACA,IAAIC,UAAU,GAAG;AAAE,QAAM,CAAR;AAAW,QAAM,CAAjB;AAAoB,QAAM,CAA1B;AAA6B,QAAM,CAAnC;AAAsC,QAAM,CAA5C;AAA+C,QAAM,EAArD;AAAyD,QAAM,EAA/D;AAAmE,QAAM;AAAzE,CAAjB;AACA,IAAIC,WAAW,GAAG;AAAE,QAAM,CAAR;AAAW,QAAM,CAAjB;AAAoB,QAAM,CAA1B;AAA6B,QAAM,CAAnC;AAAsC,QAAM,EAA5C;AAAgD,QAAM,EAAtD;AAA0D,QAAM;AAAhE,CAAlB;AACA,IAAIC,UAAU,GAAG;AAAE,QAAM,CAAR;AAAW,QAAM,CAAjB;AAAoB,QAAM,CAA1B;AAA6B,QAAM,CAAnC;AAAsC,QAAM,CAA5C;AAA+C,QAAM,EAArD;AAAyD,QAAM,EAA/D;AAAmE,QAAM;AAAzE,CAAjB;AACA,IAAIC,WAAW,GAAG;AAAE,QAAM,CAAR;AAAW,QAAM,CAAjB;AAAoB,QAAM,CAA1B;AAA6B,QAAM,CAAnC;AAAsC,QAAM,EAA5C;AAAgD,QAAM,EAAtD;AAA0D,QAAM;AAAhE,CAAlB;AAEA,IAAIC,gBAAgB,GAAG,CAAC,OAAD,EAAU,OAAV,EAAmB,MAAnB,EAA2B,MAA3B,EAAmC,KAAnC,EAA0C,QAA1C,EAAoD,SAApD,EAA+D,OAA/D,EAAwE,aAAxE,CAAvB;IAEKC,a;AASL;;;;WATKA,a;AAAAA,e,CAAAA,a;AAAAA,e,CAAAA,a;AAAAA,e,CAAAA,a;AAAAA,e,CAAAA,a;AAAAA,e,CAAAA,a;AAAAA,e,CAAAA,a;GAAAA,a,KAAAA,a;;AAYL,IAAI1oD,qBAaH,GAAG;AACF2oD,eAAa,EAAE;AAAE,YAAQ,CAAV;AAAa,aAAS,CAAtB;AAAyB,YAAQ,CAAjC;AAAoC,eAAW,CAA/C;AAAkD,YAAQ,CAA1D;AAA6D,aAAS;AAAtE,GADb;AAEFtzB,MAAI,EAAE,IAFJ;AAGFuzB,cAAY,EAAE,CAHZ;AAGe;AACjBC,SAAO,EAAE,iBAAUC,OAAV,EAAmB;AAC1B,SAAKzzB,IAAL,GAAYyzB,OAAZ;AACD,GANC;AAOF7oD,KAAG,EAAE,aAAU8oD,QAAV,EAAoBC,GAApB,EAAyB;AAC5B,QAAIC,QAAQ,GAAG,KAAKN,aAAL,CAAmBI,QAAnB,CAAf;;AACA,QAAI,KAAKH,YAAL,IAAqBK,QAAzB,EAAmC,CACjC;AACD;AACF;AAZC,CAbJ;;AA4BA,IAAIC,kBAAkB,GAAG,SAArBA,kBAAqB,CAAUC,QAAV,EAAwC;AAC/D,MAAIC,QAAkB,GAAG,EAAzB;;AACA,OAAK,IAAIpgD,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGmgD,QAAQ,CAACxsD,MAA7B,EAAqCqM,CAAC,EAAtC,EAA0C;AACxCogD,YAAQ,CAACplD,IAAT,CAAcmlD,QAAQ,CAACngD,CAAD,CAAR,CAAYqK,QAAZ,CAAqB,EAArB,CAAd;AACD;;AAED,SAAO+1C,QAAP;AACD,CAPD;;IAiBMC,Q;;;AAOJ,oBAAaC,UAAb,EAAkCC,SAAlC,EAAuDC,OAAvD,EAA0EC,UAA1E,EAA+FC,KAA/F,EAAgH;AAAA,SANzGJ,UAMyG;AAAA,SALzGC,SAKyG;AAAA,SAJzGC,OAIyG;AAAA,SAHzGC,UAGyG;AAAA,SAFzGC,KAEyG;AAC9G,SAAKJ,UAAL,GAAkBA,UAAU,IAAI,OAAhC;AACA,SAAKC,SAAL,GAAiBA,SAAS,IAAI,KAA9B;AACA,SAAKC,OAAL,GAAeA,OAAO,IAAI,KAA1B;AACA,SAAKC,UAAL,GAAkBA,UAAU,IAAI,OAAhC;AACA,SAAKC,KAAL,GAAaA,KAAK,IAAI,KAAtB;AACD;;;;SAEDC,K,GAAA,iBAAS;AACP,SAAKL,UAAL,GAAkB,OAAlB;AACA,SAAKC,SAAL,GAAiB,KAAjB;AACA,SAAKC,OAAL,GAAe,KAAf;AACA,SAAKC,UAAL,GAAkB,OAAlB;AACA,SAAKC,KAAL,GAAa,KAAb;AACD,G;;SAEDE,S,GAAA,mBAAWC,MAAX,EAAuC;AACrC,QAAIC,OAAO,GAAG,CAAC,YAAD,EAAe,WAAf,EAA4B,SAA5B,EAAuC,YAAvC,EAAqD,OAArD,CAAd;;AACA,SAAK,IAAIxuD,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGwuD,OAAO,CAACntD,MAA5B,EAAoCrB,CAAC,EAArC,EAAyC;AACvC,UAAIyuD,KAAK,GAAGD,OAAO,CAACxuD,CAAD,CAAnB;;AACA,UAAIuuD,MAAM,CAAC/iC,cAAP,CAAsBijC,KAAtB,CAAJ,EAAkC;AAChC,aAAKA,KAAL,IAAcF,MAAM,CAACE,KAAD,CAApB;AACD;AACF;AACF,G;;SAEDC,S,GAAA,qBAAa;AACX,WAAQ,KAAKV,UAAL,KAAoB,OAApB,IAA+B,CAAC,KAAKC,SAArC,IAAkD,CAAC,KAAKC,OAAxD,IACI,KAAKC,UAAL,KAAoB,OADxB,IACmC,CAAC,KAAKC,KADjD;AAED,G;;SAEDO,M,GAAA,gBAAQC,KAAR,EAAyB;AACvB,WAAS,KAAKZ,UAAL,KAAoBY,KAAK,CAACZ,UAA3B,IACM,KAAKC,SAAL,KAAmBW,KAAK,CAACX,SAD/B,IAEM,KAAKC,OAAL,KAAiBU,KAAK,CAACV,OAF7B,IAGM,KAAKC,UAAL,KAAoBS,KAAK,CAACT,UAHhC,IAIM,KAAKC,KAAL,KAAeQ,KAAK,CAACR,KAJnC;AAKD,G;;SAEDS,I,GAAA,cAAMC,WAAN,EAA6B;AAC3B,SAAKd,UAAL,GAAkBc,WAAW,CAACd,UAA9B;AACA,SAAKC,SAAL,GAAiBa,WAAW,CAACb,SAA7B;AACA,SAAKC,OAAL,GAAeY,WAAW,CAACZ,OAA3B;AACA,SAAKC,UAAL,GAAkBW,WAAW,CAACX,UAA9B;AACA,SAAKC,KAAL,GAAaU,WAAW,CAACV,KAAzB;AACD,G;;SAEDr2C,Q,GAAA,oBAAoB;AAClB,WAAQ,WAAW,KAAKi2C,UAAhB,GAA6B,cAA7B,GAA8C,KAAKC,SAAnD,GAA+D,YAA/D,GAA8E,KAAKC,OAAnF,GACA,eADA,GACkB,KAAKC,UADvB,GACoC,UADpC,GACiD,KAAKC,KAD9D;AAED,G;;;;AAGH;;;;;;IAIMW,iB;;;AAGJ,6BAAazC,KAAb,EAA6B0B,UAA7B,EAAkDC,SAAlD,EAAuEC,OAAvE,EAA0FC,UAA1F,EAA+GC,KAA/G,EAAgI;AAAA,SAFhI9B,KAEgI;AAAA,SADhI0C,QACgI;AAC9H,SAAK1C,KAAL,GAAaA,KAAK,IAAI,GAAtB,CAD8H,CACnG;;AAC3B,SAAK0C,QAAL,GAAgB,IAAIjB,QAAJ,CAAaC,UAAb,EAAyBC,SAAzB,EAAoCC,OAApC,EAA6CC,UAA7C,EAAyDC,KAAzD,CAAhB;AACD;;;;UAEDC,K,GAAA,iBAAS;AACP,SAAK/B,KAAL,GAAa,GAAb;AACA,SAAK0C,QAAL,CAAcX,KAAd;AACD,G;;UAEDY,O,GAAA,iBAAS3C,KAAT,EAAwBwC,WAAxB,EAA+C;AAC7C,SAAKxC,KAAL,GAAaA,KAAb;AACA,SAAK0C,QAAL,CAAcH,IAAd,CAAmBC,WAAnB;AACD,G;;UAEDI,W,GAAA,qBAAaJ,WAAb,EAAoC;AAClC,SAAKE,QAAL,CAAcH,IAAd,CAAmBC,WAAnB;AACD,G;;UAEDH,M,GAAA,gBAAQC,KAAR,EAAkC;AAChC,WAAO,KAAKtC,KAAL,KAAesC,KAAK,CAACtC,KAArB,IAA8B,KAAK0C,QAAL,CAAcL,MAAd,CAAqBC,KAAK,CAACI,QAA3B,CAArC;AACD,G;;UAEDH,I,GAAA,cAAMM,OAAN,EAAkC;AAChC,SAAK7C,KAAL,GAAa6C,OAAO,CAAC7C,KAArB;AACA,SAAK0C,QAAL,CAAcH,IAAd,CAAmBM,OAAO,CAACH,QAA3B;AACD,G;;UAED5C,O,GAAA,mBAAoB;AAClB,WAAO,KAAKE,KAAL,KAAe,GAAf,IAAsB,KAAK0C,QAAL,CAAcN,SAAd,EAA7B;AACD,G;;;;AAGH;;;;;;AAIO,IAAMU,GAAb;AAAA;AAAA;AAKE,iBAAe;AAAA,SAJR/C,KAIQ;AAAA,SAHR1zC,GAGQ;AAAA,SAFR02C,YAEQ;AAAA,SADR9C,YACQ;AACb,SAAKF,KAAL,GAAa,EAAb;;AACA,SAAK,IAAIrsD,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG8sD,OAApB,EAA6B9sD,CAAC,EAA9B,EAAkC;AAChC,WAAKqsD,KAAL,CAAW3jD,IAAX,CAAgB,IAAIqmD,iBAAJ,EAAhB;AACD;;AAED,SAAKp2C,GAAL,GAAW,CAAX;AACA,SAAK02C,YAAL,GAAoB,IAAItB,QAAJ,EAApB;AACD;;AAbH;;AAAA,UAeEY,MAfF,GAeE,gBAAQC,KAAR,EAAoB;AAClB,QAAIU,KAAK,GAAG,IAAZ;;AACA,SAAK,IAAItvD,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG8sD,OAApB,EAA6B9sD,CAAC,EAA9B,EAAkC;AAChC,UAAI,CAAC,KAAKqsD,KAAL,CAAWrsD,CAAX,EAAc2uD,MAAd,CAAqBC,KAAK,CAACvC,KAAN,CAAYrsD,CAAZ,CAArB,CAAL,EAA2C;AACzCsvD,aAAK,GAAG,KAAR;AACA;AACD;AACF;;AACD,WAAOA,KAAP;AACD,GAxBH;;AAAA,UA0BET,IA1BF,GA0BE,cAAMD,KAAN,EAAkB;AAChB,SAAK,IAAI5uD,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG8sD,OAApB,EAA6B9sD,CAAC,EAA9B,EAAkC;AAChC,WAAKqsD,KAAL,CAAWrsD,CAAX,EAAc6uD,IAAd,CAAmBD,KAAK,CAACvC,KAAN,CAAYrsD,CAAZ,CAAnB;AACD;AACF,GA9BH;;AAAA,UAgCEosD,OAhCF,GAgCE,mBAAoB;AAClB,QAAImD,KAAK,GAAG,IAAZ;;AACA,SAAK,IAAIvvD,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG8sD,OAApB,EAA6B9sD,CAAC,EAA9B,EAAkC;AAChC,UAAI,CAAC,KAAKqsD,KAAL,CAAWrsD,CAAX,EAAcosD,OAAd,EAAL,EAA8B;AAC5BmD,aAAK,GAAG,KAAR;AACA;AACD;AACF;;AACD,WAAOA,KAAP;AACD;AAED;;;AA3CF;;AAAA,UA8CEC,SA9CF,GA8CE,mBAAWC,MAAX,EAA2B;AACzB,QAAI,KAAK92C,GAAL,KAAa82C,MAAjB,EAAyB;AACvB,WAAK92C,GAAL,GAAW82C,MAAX;AACD;;AAED,QAAI,KAAK92C,GAAL,GAAW,CAAf,EAAkB;AAChBjU,2BAAM,CAACC,GAAP,CAAW,OAAX,EAAoB,8BAA8B,KAAKgU,GAAvD;AACA,WAAKA,GAAL,GAAW,CAAX;AACD,KAHD,MAGO,IAAI,KAAKA,GAAL,GAAWm0C,OAAf,EAAwB;AAC7BpoD,2BAAM,CAACC,GAAP,CAAW,OAAX,EAAoB,+BAA+B,KAAKgU,GAAxD;AACA,WAAKA,GAAL,GAAWm0C,OAAX;AACD;AACF;AAED;;;AA5DF;;AAAA,UA+DE4C,UA/DF,GA+DE,oBAAYC,MAAZ,EAA4B;AAC1B,QAAIC,MAAM,GAAG,KAAKj3C,GAAL,GAAWg3C,MAAxB;;AACA,QAAIA,MAAM,GAAG,CAAb,EAAgB;AACd,WAAK,IAAI3vD,CAAC,GAAG,KAAK2Y,GAAL,GAAW,CAAxB,EAA2B3Y,CAAC,GAAG4vD,MAAM,GAAG,CAAxC,EAA2C5vD,CAAC,EAA5C,EAAgD;AAC9C,aAAKqsD,KAAL,CAAWrsD,CAAX,EAAckvD,WAAd,CAA0B,KAAKG,YAA/B;AACD;AACF;;AACD,SAAKG,SAAL,CAAeI,MAAf;AACD;AAED;;;AAzEF;;AAAA,UA4EEC,SA5EF,GA4EE,qBAAa;AACX,SAAKH,UAAL,CAAgB,CAAC,CAAjB;AACA,SAAKrD,KAAL,CAAW,KAAK1zC,GAAhB,EAAqBs2C,OAArB,CAA6B,GAA7B,EAAkC,KAAKI,YAAvC;AACD,GA/EH;;AAAA,UAiFES,UAjFF,GAiFE,oBAAYnD,IAAZ,EAA0B;AACxB,QAAIA,IAAI,IAAI,IAAZ,EAAkB;AAAE;AAClB,WAAKkD,SAAL;AACD;;AACD,QAAIE,IAAI,GAAGrD,cAAc,CAACC,IAAD,CAAzB;;AACA,QAAI,KAAKh0C,GAAL,IAAYm0C,OAAhB,EAAyB;AACvBpoD,2BAAM,CAACC,GAAP,CAAW,OAAX,EAAoB,mBAAmBgoD,IAAI,CAAC50C,QAAL,CAAc,EAAd,CAAnB,GACF,IADE,GACKg4C,IADL,GACY,gBADZ,GAC+B,KAAKp3C,GADpC,GAC0C,gBAD9D;AAEA;AACD;;AACD,SAAK0zC,KAAL,CAAW,KAAK1zC,GAAhB,EAAqBs2C,OAArB,CAA6Bc,IAA7B,EAAmC,KAAKV,YAAxC;AACA,SAAKK,UAAL,CAAgB,CAAhB;AACD,GA7FH;;AAAA,UA+FEM,YA/FF,GA+FE,sBAAcC,QAAd,EAAgC;AAC9B,QAAIjwD,CAAJ;;AACA,SAAKA,CAAC,GAAGiwD,QAAT,EAAmBjwD,CAAC,GAAG8sD,OAAvB,EAAgC9sD,CAAC,EAAjC,EAAqC;AACnC,WAAKqsD,KAAL,CAAWrsD,CAAX,EAAcquD,KAAd;AACD;AACF,GApGH;;AAAA,UAsGE6B,KAtGF,GAsGE,iBAAS;AACP,SAAKF,YAAL,CAAkB,CAAlB;AACA,SAAKr3C,GAAL,GAAW,CAAX;AACA,SAAK02C,YAAL,CAAkBhB,KAAlB;AACD,GA1GH;;AAAA,UA4GE8B,eA5GF,GA4GE,2BAAmB;AACjB,SAAKH,YAAL,CAAkB,KAAKr3C,GAAvB;AACD,GA9GH;;AAAA,UAgHEy3C,aAhHF,GAgHE,yBAAiB;AACf,QAAI/D,KAAe,GAAG,EAAtB;AACA,QAAIkD,KAAK,GAAG,IAAZ;;AACA,SAAK,IAAIvvD,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG8sD,OAApB,EAA6B9sD,CAAC,EAA9B,EAAkC;AAChC,UAAI+vD,IAAI,GAAG,KAAK1D,KAAL,CAAWrsD,CAAX,EAAcssD,KAAzB;;AACA,UAAIyD,IAAI,KAAK,GAAb,EAAkB;AAChBR,aAAK,GAAG,KAAR;AACD;;AAEDlD,WAAK,CAAC3jD,IAAN,CAAWqnD,IAAX;AACD;;AACD,QAAIR,KAAJ,EAAW;AACT,aAAO,EAAP;AACD,KAFD,MAEO;AACL,aAAOlD,KAAK,CAACn0C,IAAN,CAAW,EAAX,CAAP;AACD;AACF,GAhIH;;AAAA,UAkIEm4C,YAlIF,GAkIE,sBAAc9B,MAAd,EAA0C;AACxC,SAAKc,YAAL,CAAkBf,SAAlB,CAA4BC,MAA5B;AACA,QAAI+B,QAAQ,GAAG,KAAKjE,KAAL,CAAW,KAAK1zC,GAAhB,CAAf;AACA23C,YAAQ,CAACpB,WAAT,CAAqB,KAAKG,YAA1B;AACD,GAtIH;;AAAA;AAAA;AAyIA;;;;;AAIO,IAAMkB,aAAb;AAAA;AAAA;AAKE,2BAAe;AAAA,SAJfpE,IAIe;AAAA,SAHfqE,OAGe;AAAA,SAFfC,YAEe;AAAA,SADfC,gBACe;AACb,SAAKvE,IAAL,GAAY,EAAZ;;AACA,SAAK,IAAInsD,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG6sD,OAApB,EAA6B7sD,CAAC,EAA9B,EAAkC;AAChC,WAAKmsD,IAAL,CAAUzjD,IAAV,CAAe,IAAI0mD,GAAJ,EAAf;AACD,KAJY,CAIX;;;AAEF,SAAKoB,OAAL,GAAe3D,OAAO,GAAG,CAAzB;AACA,SAAK4D,YAAL,GAAoB,IAApB;AACA,SAAKpC,KAAL;AACD;;AAdH;;AAAA,UAgBEA,KAhBF,GAgBE,iBAAS;AACP,SAAK,IAAIruD,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG6sD,OAApB,EAA6B7sD,CAAC,EAA9B,EAAkC;AAChC,WAAKmsD,IAAL,CAAUnsD,CAAV,EAAakwD,KAAb;AACD;;AAED,SAAKM,OAAL,GAAe3D,OAAO,GAAG,CAAzB;AACD,GAtBH;;AAAA,UAwBE8B,MAxBF,GAwBE,gBAAQC,KAAR,EAAuC;AACrC,QAAIU,KAAK,GAAG,IAAZ;;AACA,SAAK,IAAItvD,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG6sD,OAApB,EAA6B7sD,CAAC,EAA9B,EAAkC;AAChC,UAAI,CAAC,KAAKmsD,IAAL,CAAUnsD,CAAV,EAAa2uD,MAAb,CAAoBC,KAAK,CAACzC,IAAN,CAAWnsD,CAAX,CAApB,CAAL,EAAyC;AACvCsvD,aAAK,GAAG,KAAR;AACA;AACD;AACF;;AACD,WAAOA,KAAP;AACD,GAjCH;;AAAA,UAmCET,IAnCF,GAmCE,cAAMD,KAAN,EAA4B;AAC1B,SAAK,IAAI5uD,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG6sD,OAApB,EAA6B7sD,CAAC,EAA9B,EAAkC;AAChC,WAAKmsD,IAAL,CAAUnsD,CAAV,EAAa6uD,IAAb,CAAkBD,KAAK,CAACzC,IAAN,CAAWnsD,CAAX,CAAlB;AACD;AACF,GAvCH;;AAAA,UAyCEosD,OAzCF,GAyCE,mBAAoB;AAClB,QAAImD,KAAK,GAAG,IAAZ;;AACA,SAAK,IAAIvvD,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG6sD,OAApB,EAA6B7sD,CAAC,EAA9B,EAAkC;AAChC,UAAI,CAAC,KAAKmsD,IAAL,CAAUnsD,CAAV,EAAaosD,OAAb,EAAL,EAA6B;AAC3BmD,aAAK,GAAG,KAAR;AACA;AACD;AACF;;AACD,WAAOA,KAAP;AACD,GAlDH;;AAAA,UAoDEM,SApDF,GAoDE,qBAAa;AACX,QAAI7D,GAAG,GAAG,KAAKG,IAAL,CAAU,KAAKqE,OAAf,CAAV;AACAxE,OAAG,CAAC6D,SAAJ;AACD,GAvDH;;AAAA,UAyDEM,eAzDF,GAyDE,2BAAmB;AACjB,QAAInE,GAAG,GAAG,KAAKG,IAAL,CAAU,KAAKqE,OAAf,CAAV;AACAxE,OAAG,CAACmE,eAAJ;AACD;AAED;;;AA9DF;;AAAA,UAiEEL,UAjEF,GAiEE,oBAAYC,IAAZ,EAA0B;AACxB,QAAI/D,GAAG,GAAG,KAAKG,IAAL,CAAU,KAAKqE,OAAf,CAAV;AACAxE,OAAG,CAAC8D,UAAJ,CAAeC,IAAf;AACD,GApEH;;AAAA,UAsEEY,MAtEF,GAsEE,gBAAQpC,MAAR,EAAoC;AAClC,QAAIvC,GAAG,GAAG,KAAKG,IAAL,CAAU,KAAKqE,OAAf,CAAV;AACAxE,OAAG,CAACqE,YAAJ,CAAiB9B,MAAjB;AACD,GAzEH;;AAAA,UA2EEmB,UA3EF,GA2EE,oBAAYC,MAAZ,EAA4B;AAC1B,QAAI3D,GAAG,GAAG,KAAKG,IAAL,CAAU,KAAKqE,OAAf,CAAV;AACAxE,OAAG,CAAC0D,UAAJ,CAAeC,MAAf;AACD,GA9EH;;AAAA,UAgFEH,SAhFF,GAgFE,mBAAWC,MAAX,EAA2B;AACzB/qD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,gBAAgB8qD,MAAnC;AACA,QAAIzD,GAAG,GAAG,KAAKG,IAAL,CAAU,KAAKqE,OAAf,CAAV;AACAxE,OAAG,CAACwD,SAAJ,CAAcC,MAAd;AACD,GApFH;;AAAA,UAsFEmB,MAtFF,GAsFE,gBAAQC,OAAR,EAA0B;AACxBnsD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,eAAeiY,IAAI,CAACshB,SAAL,CAAe2yB,OAAf,CAAlC;AACA,QAAIC,MAAM,GAAGD,OAAO,CAAC7E,GAAR,GAAc,CAA3B;;AACA,QAAI,KAAKyE,YAAL,IAAqBK,MAAM,GAAG,KAAKL,YAAL,GAAoB,CAAtD,EAAyD;AACvDK,YAAM,GAAG,KAAKL,YAAL,GAAoB,CAA7B;AACD,KALuB,CAOxB;;;AACA,QAAI,KAAKA,YAAL,IAAqB,KAAKD,OAAL,KAAiBM,MAA1C,EAAkD;AAChD;AACA,WAAK,IAAI9wD,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG6sD,OAApB,EAA6B7sD,CAAC,EAA9B,EAAkC;AAChC,aAAKmsD,IAAL,CAAUnsD,CAAV,EAAakwD,KAAb;AACD,OAJ+C,CAMhD;AACA;;;AACA,UAAIa,WAAW,GAAG,KAAKP,OAAL,GAAe,CAAf,GAAoB,KAAKC,YAA3C,CARgD,CAShD;AACA;;AACA,UAAMC,gBAAgB,GAAG,KAAKA,gBAA9B;;AACA,UAAIA,gBAAJ,EAAsB;AACpB,YAAIM,YAAY,GAAGN,gBAAgB,CAACvE,IAAjB,CAAsB4E,WAAtB,EAAmCxE,YAAtD;;AACA,YAAIyE,YAAY,IAAItsD,qBAAM,CAACq1B,IAAvB,IAA+Bi3B,YAAY,GAAGtsD,qBAAM,CAACq1B,IAAzD,EAA+D;AAC7D,eAAK,IAAI/5B,EAAC,GAAG,CAAb,EAAgBA,EAAC,GAAG,KAAKywD,YAAzB,EAAuCzwD,EAAC,EAAxC,EAA4C;AAC1C,iBAAKmsD,IAAL,CAAU2E,MAAM,GAAG,KAAKL,YAAd,GAA6BzwD,EAA7B,GAAiC,CAA3C,EAA8C6uD,IAA9C,CAAmD6B,gBAAgB,CAACvE,IAAjB,CAAsB4E,WAAW,GAAG/wD,EAApC,CAAnD;AACD;AACF;AACF;AACF;;AAED,SAAKwwD,OAAL,GAAeM,MAAf;AACA,QAAI9E,GAAG,GAAG,KAAKG,IAAL,CAAU,KAAKqE,OAAf,CAAV;;AACA,QAAIK,OAAO,CAAC3E,MAAR,KAAmB,IAAvB,EAA6B;AAC3B,UAAIA,MAAM,GAAG2E,OAAO,CAAC3E,MAArB;AACA,UAAI+E,OAAO,GAAG/kD,IAAI,CAACoX,GAAL,CAAS4oC,MAAM,GAAG,CAAlB,EAAqB,CAArB,CAAd;AACAF,SAAG,CAACwD,SAAJ,CAAcqB,OAAO,CAAC3E,MAAtB;AACA2E,aAAO,CAACK,KAAR,GAAgBlF,GAAG,CAACK,KAAJ,CAAU4E,OAAV,EAAmBjC,QAAnB,CAA4BhB,UAA5C;AACD;;AACD,QAAIO,MAAiB,GAAG;AAAEP,gBAAU,EAAE6C,OAAO,CAACK,KAAtB;AAA6BjD,eAAS,EAAE4C,OAAO,CAAC5C,SAAhD;AAA2DC,aAAO,EAAE2C,OAAO,CAAC3C,OAA5E;AAAqFC,gBAAU,EAAE,OAAjG;AAA0GC,WAAK,EAAE;AAAjH,KAAxB;AACA,SAAKuC,MAAL,CAAYpC,MAAZ;AACD;AAED;;;AAhIF;;AAAA,UAmIE4C,UAnIF,GAmIE,oBAAYC,OAAZ,EAAyC;AACvC1sD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,eAAeiY,IAAI,CAACshB,SAAL,CAAekzB,OAAf,CAAlC;AACA,SAAKvB,SAAL;AACA,SAAKc,MAAL,CAAYS,OAAZ;AACA,SAAKtB,UAAL,CAAgB,IAAhB,EAJuC,CAIhB;AACxB,GAxIH;;AAAA,UA0IEuB,aA1IF,GA0IE,uBAAeC,MAAf,EAAsC;AACpC,SAAKb,YAAL,GAAoBa,MAApB;AACD,GA5IH;;AAAA,UA8IEC,MA9IF,GA8IE,kBAAU;AACR,QAAI,KAAKd,YAAL,KAAsB,IAA1B,EAAgC;AAC9B/rD,2BAAM,CAACC,GAAP,CAAW,OAAX,EAAoB,sCAApB;AACA,aAF8B,CAEtB;AACT;;AACDD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,KAAK6sD,cAAL,EAAnB;AACA,QAAIT,WAAW,GAAG,KAAKP,OAAL,GAAe,CAAf,GAAmB,KAAKC,YAA1C;AACA,QAAIgB,MAAM,GAAG,KAAKtF,IAAL,CAAUr2C,MAAV,CAAiBi7C,WAAjB,EAA8B,CAA9B,EAAiC,CAAjC,CAAb;AACAU,UAAM,CAACvB,KAAP;AACA,SAAK/D,IAAL,CAAUr2C,MAAV,CAAiB,KAAK06C,OAAtB,EAA+B,CAA/B,EAAkCiB,MAAlC;AACA/sD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,YAAnB,EAVQ,CAWR;AACD;AAED;;;AA5JF;;AAAA,UA+JE6sD,cA/JF,GA+JE,wBAAgBE,QAAhB,EAAoC;AAClCA,YAAQ,GAAGA,QAAQ,IAAI,KAAvB;AACA,QAAIC,WAAqB,GAAG,EAA5B;AACA,QAAIzgD,IAAI,GAAG,EAAX;AACA,QAAI0gD,KAAK,GAAG,CAAC,CAAb;;AACA,SAAK,IAAI5xD,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG6sD,OAApB,EAA6B7sD,CAAC,EAA9B,EAAkC;AAChC,UAAI6xD,OAAO,GAAG,KAAK1F,IAAL,CAAUnsD,CAAV,EAAaowD,aAAb,EAAd;;AACA,UAAIyB,OAAJ,EAAa;AACXD,aAAK,GAAG5xD,CAAC,GAAG,CAAZ;;AACA,YAAI0xD,QAAJ,EAAc;AACZC,qBAAW,CAACjpD,IAAZ,CAAiB,SAASkpD,KAAT,GAAiB,MAAjB,GAA0BC,OAA1B,GAAoC,IAArD;AACD,SAFD,MAEO;AACLF,qBAAW,CAACjpD,IAAZ,CAAiBmpD,OAAO,CAACrF,IAAR,EAAjB;AACD;AACF;AACF;;AACD,QAAImF,WAAW,CAACtwD,MAAZ,GAAqB,CAAzB,EAA4B;AAC1B,UAAIqwD,QAAJ,EAAc;AACZxgD,YAAI,GAAG,MAAMygD,WAAW,CAACz5C,IAAZ,CAAiB,KAAjB,CAAN,GAAgC,GAAvC;AACD,OAFD,MAEO;AACLhH,YAAI,GAAGygD,WAAW,CAACz5C,IAAZ,CAAiB,IAAjB,CAAP;AACD;AACF;;AACD,WAAOhH,IAAP;AACD,GAvLH;;AAAA,UAyLE4gD,gBAzLF,GAyLE,4BAAoB;AAClB,WAAO,KAAK3F,IAAZ;AACD,GA3LH;;AAAA;AAAA,I,CA8LA;;IAIM4F,a;;;AAYJ,yBAAaC,aAAb,EAAoCC,YAApC,EAAgE;AAAA,SAXhEC,IAWgE;AAAA,SAVhED,YAUgE;AAAA,SAThEhd,IASgE;AAAA,SARhEkd,OAQgE;AAAA,SAPhEC,eAOgE;AAAA,SANhEC,kBAMgE;AAAA,SALhE3B,gBAKgE;AAAA,SAJhE4B,aAIgE;AAAA,SAHhEC,WAGgE;AAAA,SAFhEhG,YAEgE;AAAA,SADhEiG,cACgE;AAC9D,SAAKN,IAAL,GAAYF,aAAZ;AACA,SAAKC,YAAL,GAAoBA,YAApB;AACA,SAAKhd,IAAL,GAAY,IAAZ;AACA,SAAKkd,OAAL,GAAe,CAAf;AACA,SAAKC,eAAL,GAAuB,IAAI7B,aAAJ,EAAvB;AACA,SAAK8B,kBAAL,GAA0B,IAAI9B,aAAJ,EAA1B;AACA,SAAKG,gBAAL,GAAwB,IAAIH,aAAJ,EAAxB;AACA,SAAK+B,aAAL,GAAqB,KAAKF,eAAL,CAAqBjG,IAArB,CAA0BU,OAAO,GAAG,CAApC,CAArB;AACA,SAAK0F,WAAL,GAAmB,KAAKH,eAAxB;AACA,SAAKnd,IAAL,GAAY,IAAZ;AACA,SAAKsX,YAAL,GAAoB,IAApB,CAX8D,CAWpC;AAC3B;;;;UAED8B,K,GAAA,iBAAS;AACP,SAAKpZ,IAAL,GAAY,IAAZ;AACA,SAAKmd,eAAL,CAAqB/D,KAArB;AACA,SAAKgE,kBAAL,CAAwBhE,KAAxB;AACA,SAAKqC,gBAAL,CAAsBrC,KAAtB;AACA,SAAKiE,aAAL,GAAqB,KAAKF,eAAL,CAAqBjG,IAArB,CAA0BU,OAAO,GAAG,CAApC,CAArB;AACA,SAAK0F,WAAL,GAAmB,KAAKH,eAAxB;AACA,SAAKnd,IAAL,GAAY,IAAZ;AACA,SAAKsX,YAAL,GAAoB,IAApB;AACD,G;;UAEDkG,U,GAAA,sBAA4B;AAC1B,WAAO,KAAKR,YAAZ;AACD,G;;UAEDS,U,GAAA,oBAAYC,UAAZ,EAAsC;AACpC,SAAKV,YAAL,GAAoBU,UAApB;AACD,G;;UAED/B,M,GAAA,gBAAQC,OAAR,EAA0B;AACxB,SAAK0B,WAAL,CAAiB3B,MAAjB,CAAwBC,OAAxB;AACD,G;;UAEDM,U,GAAA,oBAAYC,OAAZ,EAAyC;AACvC,SAAKmB,WAAL,CAAiBpB,UAAjB,CAA4BC,OAA5B;AACD,G;;UAEDwB,O,GAAA,iBAASC,OAAT,EAAgC;AAC9B,QAAIA,OAAO,KAAK,KAAK5d,IAArB,EAA2B;AACzB;AACD;;AAED,SAAKA,IAAL,GAAY4d,OAAZ;AACAnuD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,UAAUkuD,OAA7B;;AACA,QAAI,KAAK5d,IAAL,KAAc,aAAlB,EAAiC;AAC/B,WAAKsd,WAAL,GAAmB,KAAKF,kBAAxB;AACD,KAFD,MAEO;AACL,WAAKE,WAAL,GAAmB,KAAKH,eAAxB;AACA,WAAKG,WAAL,CAAiBlE,KAAjB;AACD;;AACD,QAAI,KAAKpZ,IAAL,KAAc,cAAlB,EAAkC;AAChC,WAAKmd,eAAL,CAAqB3B,YAArB,GAAoC,IAApC;AACA,WAAK4B,kBAAL,CAAwB5B,YAAxB,GAAuC,IAAvC;AACD;;AACD,SAAKxb,IAAL,GAAY4d,OAAZ;AACD,G;;UAEDC,W,GAAA,qBAAazG,KAAb,EAA8B;AAC5B,SAAK,IAAIrsD,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGqsD,KAAK,CAAChrD,MAA1B,EAAkCrB,CAAC,EAAnC,EAAuC;AACrC,WAAKuyD,WAAL,CAAiBzC,UAAjB,CAA4BzD,KAAK,CAACrsD,CAAD,CAAjC;AACD;;AAED,QAAI+yD,MAAM,GAAG,KAAKR,WAAL,KAAqB,KAAKH,eAA1B,GAA4C,MAA5C,GAAqD,UAAlE;AACA1tD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmBouD,MAAM,GAAG,IAAT,GAAgB,KAAKR,WAAL,CAAiBf,cAAjB,CAAgC,IAAhC,CAAnC;;AACA,QAAI,KAAKvc,IAAL,KAAc,eAAd,IAAiC,KAAKA,IAAL,KAAc,cAAnD,EAAmE;AACjEvwC,2BAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,gBAAgB,KAAKytD,eAAL,CAAqBZ,cAArB,CAAoC,IAApC,CAAnC;AACA,WAAKwB,gBAAL;AACD;AACF,G;;UAEDC,K,GAAA,iBAAS;AAAE;AACTvuD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,8BAAnB;AACA,SAAKiuD,OAAL,CAAa,aAAb;AACD,G;;UAEDM,I,GAAA,gBAAQ;AAAE;AACRxuD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,gBAAnB;;AACA,QAAI,KAAKswC,IAAL,KAAc,WAAlB,EAA+B;AAC7B;AACD;;AAED,SAAKsd,WAAL,CAAiB1C,SAAjB;;AACA,QAAI,KAAK0C,WAAL,KAAqB,KAAKH,eAA9B,EAA+C;AAC7C,WAAKY,gBAAL;AACD;AACF,G;;UAEDG,K,GAAA,iBAAS,CAAE;AAEV,G;;UAEDC,K,GAAA,iBAAS,CAAE;AAEV,G;;UAEDC,K,GAAA,iBAAS;AAAE;AACT3uD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,2BAAnB;AACA,SAAK4tD,WAAL,CAAiBpC,eAAjB;AACA,SAAK6C,gBAAL;AACD,G;;UAEDM,I,GAAA,cAAMhC,MAAN,EAA6B;AAAE;AAC7B5sD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,QAAQ2sD,MAAR,GAAiB,aAApC;AACA,SAAKiB,WAAL,GAAmB,KAAKH,eAAxB;AACA,SAAKQ,OAAL,CAAa,cAAb;AACA,SAAKL,WAAL,CAAiBlB,aAAjB,CAA+BC,MAA/B;AACD,G;;UAEDiC,K,GAAA,iBAAS;AAAE;AACT7uD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,gBAAnB;AACA,SAAK4tD,WAAL,CAAiB5B,MAAjB,CAAwB;AAAEvC,WAAK,EAAE;AAAT,KAAxB;AACD,G;;UAEDoF,K,GAAA,iBAAS;AAAE;AACT9uD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,gCAAnB;AACA,SAAKiuD,OAAL,CAAa,eAAb;AACD,G;;UAEDa,I,GAAA,gBAAQ;AAAE;AACR/uD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,IAAnB;AACA,SAAKiuD,OAAL,CAAa,WAAb;AACD,G;;UAEDc,K,GAAA,iBAAS;AAAE;AACThvD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,KAAnB;AACA,SAAKiuD,OAAL,CAAa,WAAb;AACD,G;;UAEDe,K,GAAA,iBAAS;AAAE;AACTjvD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,8BAAnB;AACA,SAAKytD,eAAL,CAAqB/D,KAArB;AACA,SAAK2E,gBAAL,CAAsB,IAAtB;AACD,G;;UAEDY,I,GAAA,gBAAQ;AAAE;AACRlvD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,sBAAnB;AACA,SAAK4tD,WAAL,CAAiBhB,MAAjB;AACA,SAAKyB,gBAAL,CAAsB,IAAtB;AACD,G;;UAEDa,K,GAAA,iBAAS;AAAE;AACTnvD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,kCAAnB;AACA,SAAK0tD,kBAAL,CAAwBhE,KAAxB;AACD,G;;UAEDyF,K,GAAA,iBAAS;AAAE;AACTpvD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,sBAAnB;;AACA,QAAI,KAAKswC,IAAL,KAAc,aAAlB,EAAiC;AAC/B,UAAI17B,GAAG,GAAG,KAAK64C,eAAf;AACA,WAAKA,eAAL,GAAuB,KAAKC,kBAA5B;AACA,WAAKA,kBAAL,GAA0B94C,GAA1B;AACA,WAAKg5C,WAAL,GAAmB,KAAKF,kBAAxB;AACA3tD,2BAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,WAAW,KAAKytD,eAAL,CAAqBZ,cAArB,EAA9B;AACD;;AACD,SAAKwB,gBAAL,CAAsB,IAAtB;AACD,G;;UAEDe,I,GAAA,cAAMC,MAAN,EAAsB;AAAE;AACtBtvD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,QAAQqvD,MAAR,GAAiB,gBAApC;AACA,SAAKzB,WAAL,CAAiB7C,UAAjB,CAA4BsE,MAA5B;AACD,G;;UAEDC,Q,GAAA,kBAAUx8C,UAAV,EAA8B;AAAE;AAC9B,QAAI82C,MAA0B,GAAG;AAAEH,WAAK,EAAE;AAAT,KAAjC;AACAG,UAAM,CAACN,SAAP,GAAmBx2C,UAAU,GAAG,CAAb,KAAmB,CAAtC;AACA82C,UAAM,CAACL,OAAP,GAAiBz2C,UAAU,IAAI,IAA/B;;AACA,QAAI,CAAC82C,MAAM,CAACL,OAAZ,EAAqB;AACnB,UAAIgG,UAAU,GAAGhoD,IAAI,CAACkE,KAAL,CAAWqH,UAAU,GAAG,CAAxB,IAA6B,IAA9C;AACA,UAAI08C,MAAM,GAAG,CAAC,OAAD,EAAU,OAAV,EAAmB,MAAnB,EAA2B,MAA3B,EAAmC,KAAnC,EAA0C,QAA1C,EAAoD,SAApD,CAAb;AACA5F,YAAM,CAACP,UAAP,GAAoBmG,MAAM,CAACD,UAAD,CAA1B;AACD,KAJD,MAIO;AACL3F,YAAM,CAACP,UAAP,GAAoB,OAApB;AACD;;AACDtpD,yBAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,aAAaiY,IAAI,CAACshB,SAAL,CAAeqwB,MAAf,CAAhC;AACA,SAAKgE,WAAL,CAAiB5B,MAAjB,CAAwBpC,MAAxB;AACD,G;;UAEDyE,gB,GAAA,0BAAkBoB,QAAlB,EAAoC;AAAA,QAAlBA,QAAkB;AAAlBA,cAAkB,GAAP,KAAO;AAAA;;AAClC,QAAInzD,CAAC,GAAGyD,qBAAM,CAACq1B,IAAf;;AACA,QAAI94B,CAAC,KAAK,IAAV,EAAgB;AACd;AACD;;AAED,QAAI,KAAKgxD,YAAT,EAAuB;AACrB,UAAI,KAAK1F,YAAL,KAAsB,IAAtB,IAA8B,CAAC,KAAK6F,eAAL,CAAqBhG,OAArB,EAAnC,EAAmE;AAAE;AACnE,aAAKG,YAAL,GAAoBtrD,CAApB;AACD,OAFD,MAEO;AACL,YAAI,CAAC,KAAKmxD,eAAL,CAAqBzD,MAArB,CAA4B,KAAK+B,gBAAjC,CAAL,EAAyD;AACvD,eAAKuB,YAAL,CAAkBnG,MAAlB,CAAyB,KAAKS,YAA9B,EAA6CtrD,CAA7C,EAAgD,KAAKyvD,gBAArD;;AACA,cAAI0D,QAAQ,IAAI,KAAKnC,YAAL,CAAkBoC,WAAlC,EAA+C;AAC7C,iBAAKpC,YAAL,CAAkBoC,WAAlB;AACD;;AAED,eAAK9H,YAAL,GAAoB,KAAK6F,eAAL,CAAqBhG,OAArB,KAAiC,IAAjC,GAAwCnrD,CAA5D;AACD;AACF;;AACD,WAAKyvD,gBAAL,CAAsB7B,IAAtB,CAA2B,KAAKuD,eAAhC;AACD;AACF,G;;UAEDkC,c,GAAA,wBAAgBrzD,CAAhB,EAA2B;AACzB,QAAI,KAAKgxD,YAAT,EAAuB;AACrB,UAAI,CAAC,KAAKG,eAAL,CAAqBhG,OAArB,EAAL,EAAqC;AACnC,YAAI,KAAK6F,YAAL,CAAkBnG,MAAtB,EAA8B;AAC5B,eAAKmG,YAAL,CAAkBnG,MAAlB,CAAyB,KAAKS,YAA9B,EAA6CtrD,CAA7C,EAAgD,KAAKmxD,eAArD;AACD;;AAED,aAAK7F,YAAL,GAAoBtrD,CAApB;AACD;AACF;AACF,G;;;;;IAWGszD,Y;;;AASJ,wBAAaC,KAAb,EAA4BC,IAA5B,EAAgDC,IAAhD,EAAoE;AAAA,SARpEF,KAQoE;AAAA,SAPpEG,OAOoE;AAAA,SANpEC,QAMoE;AAAA,SALpEC,QAKoE;AAAA,SAJpEC,QAIoE;AAAA,SAHpEC,QAGoE;AAAA,SAFpEtT,QAEoE;AAAA,SADpEuT,YACoE;AAClE,SAAKR,KAAL,GAAaA,KAAK,IAAI,CAAtB;AACA,SAAKG,OAAL,GAAe,CAACF,IAAD,EAAOC,IAAP,CAAf;AACA,SAAKE,QAAL,GAAgB,CAAC,IAAI7C,aAAJ,CAAkB,CAAlB,EAAqB0C,IAArB,CAAD,EAA6B,IAAI1C,aAAJ,CAAkB,CAAlB,EAAqB2C,IAArB,CAA7B,CAAhB;AACA,SAAKG,QAAL,GAAgB,CAAC,CAAjB,CAJkE,CAI9C;;AACpB,SAAKC,QAAL,GAAgB,IAAhB,CALkE,CAK5C;;AACtB,SAAKC,QAAL,GAAgB,IAAhB,CANkE,CAM5C;;AACtB,SAAKtT,QAAL,GAAgB,IAAhB;AACA,SAAKuT,YAAL,GAAoB;AAAE,iBAAW,CAAb;AAAgB,cAAQ,CAAxB;AAA2B,aAAO,CAAlC;AAAqC,eAAS;AAA9C,KAApB;AACD;;;;UAEDvC,U,GAAA,oBAAY7zC,KAAZ,EAA2B;AACzB,WAAO,KAAKg2C,QAAL,CAAch2C,KAAd,EAAqB6zC,UAArB,EAAP;AACD,G;;UAEDC,U,GAAA,oBAAY9zC,KAAZ,EAA2B+zC,UAA3B,EAAqD;AACnD,SAAKiC,QAAL,CAAch2C,KAAd,EAAqB8zC,UAArB,CAAgCC,UAAhC;AACD;AAED;;;;;UAGAsC,O,GAAA,iBAASh0D,CAAT,EAA2Bi0D,QAA3B,EAA+C;AAC7C,QAAIC,QAAJ;AAAA,QAAuB54B,CAAvB;AAAA,QAAkCplB,CAAlC;AAAA,QACEi+C,UAAqC,GAAG,KAD1C;AAGA,SAAK3T,QAAL,GAAgBxgD,CAAhB;AACAyD,yBAAM,CAAC6oD,OAAP,CAAetsD,CAAf;;AAEA,SAAK,IAAIjB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGk1D,QAAQ,CAAC7zD,MAA7B,EAAqCrB,CAAC,IAAI,CAA1C,EAA6C;AAC3Cu8B,OAAC,GAAG24B,QAAQ,CAACl1D,CAAD,CAAR,GAAc,IAAlB;AACAmX,OAAC,GAAG+9C,QAAQ,CAACl1D,CAAC,GAAG,CAAL,CAAR,GAAkB,IAAtB;;AACA,UAAIu8B,CAAC,KAAK,CAAN,IAAWplB,CAAC,KAAK,CAArB,EAAwB;AACtB,aAAK69C,YAAL,CAAkBK,OAAlB,IAA6B,CAA7B;AACA;AACD,OAHD,MAGO;AACL3wD,6BAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,MAAMipD,kBAAkB,CAAC,CAACsH,QAAQ,CAACl1D,CAAD,CAAT,EAAck1D,QAAQ,CAACl1D,CAAC,GAAG,CAAL,CAAtB,CAAD,CAAxB,GAA2D,QAA3D,GAAsE4tD,kBAAkB,CAAC,CAACrxB,CAAD,EAAIplB,CAAJ,CAAD,CAAxF,GAAmG,GAAtH;AACD;;AACDg+C,cAAQ,GAAG,KAAKG,QAAL,CAAc/4B,CAAd,EAAiBplB,CAAjB,CAAX;;AACA,UAAI,CAACg+C,QAAL,EAAe;AACbA,gBAAQ,GAAG,KAAKI,WAAL,CAAiBh5B,CAAjB,EAAoBplB,CAApB,CAAX;AACD;;AAED,UAAI,CAACg+C,QAAL,EAAe;AACbA,gBAAQ,GAAG,KAAKK,QAAL,CAAcj5B,CAAd,EAAiBplB,CAAjB,CAAX;AACD;;AAED,UAAI,CAACg+C,QAAL,EAAe;AACbA,gBAAQ,GAAG,KAAKM,yBAAL,CAA+Bl5B,CAA/B,EAAkCplB,CAAlC,CAAX;AACD;;AAED,UAAI,CAACg+C,QAAL,EAAe;AACbC,kBAAU,GAAG,KAAKM,UAAL,CAAgBn5B,CAAhB,EAAmBplB,CAAnB,CAAb;;AACA,YAAIi+C,UAAJ,EAAgB;AACd,cAAI,KAAKP,QAAL,IAAiB,KAAKA,QAAL,IAAiB,CAAtC,EAAyC;AACvC,gBAAIc,OAAO,GAAG,KAAKf,QAAL,CAAc,KAAKC,QAAL,GAAgB,CAA9B,CAAd;AACAc,mBAAO,CAAC7C,WAAR,CAAoBsC,UAApB;AACD,WAHD,MAGO;AACL1wD,iCAAM,CAACC,GAAP,CAAW,SAAX,EAAsB,kCAAtB;AACD;AACF;AACF;;AACD,UAAIwwD,QAAJ,EAAc;AACZ,aAAKH,YAAL,CAAkBr4C,GAAlB,IAAyB,CAAzB;AACD,OAFD,MAEO,IAAIy4C,UAAJ,EAAgB;AACrB,aAAKJ,YAAL,CAAkBjF,IAAlB,IAA0B,CAA1B;AACD,OAFM,MAEA;AACL,aAAKiF,YAAL,CAAkBpG,KAAlB,IAA2B,CAA3B;AACAlqD,6BAAM,CAACC,GAAP,CAAW,SAAX,EAAsB,kCAAkCipD,kBAAkB,CAAC,CAACrxB,CAAD,EAAIplB,CAAJ,CAAD,CAApD,GACF,SADE,GACUy2C,kBAAkB,CAAC,CAACsH,QAAQ,CAACl1D,CAAD,CAAT,EAAck1D,QAAQ,CAACl1D,CAAC,GAAG,CAAL,CAAtB,CAAD,CADlD;AAED;AACF;AACF;AAED;;;;;;UAIAs1D,Q,GAAA,kBAAU/4B,CAAV,EAAqBplB,CAArB,EAAyC;AACvC,QAAI+6C,IAAmB,GAAG,IAA1B;AAEA,QAAI0D,KAAK,GAAG,CAACr5B,CAAC,KAAK,IAAN,IAAcA,CAAC,KAAK,IAArB,KAA+BplB,CAAC,IAAI,IAAL,IAAaA,CAAC,IAAI,IAA7D;AACA,QAAI0+C,KAAK,GAAG,CAACt5B,CAAC,KAAK,IAAN,IAAcA,CAAC,KAAK,IAArB,KAA+BplB,CAAC,IAAI,IAAL,IAAaA,CAAC,IAAI,IAA7D;;AACA,QAAI,EAAEy+C,KAAK,IAAIC,KAAX,CAAJ,EAAuB;AACrB,aAAO,KAAP;AACD;;AAED,QAAIt5B,CAAC,KAAK,KAAKu4B,QAAX,IAAuB39C,CAAC,KAAK,KAAK49C,QAAtC,EAAgD;AAC9C,WAAKD,QAAL,GAAgB,IAAhB;AACA,WAAKC,QAAL,GAAgB,IAAhB,CAF8C,CAExB;;AACtBrwD,2BAAM,CAACC,GAAP,CAAW,OAAX,EAAoB,uBAAuBipD,kBAAkB,CAAC,CAACrxB,CAAD,EAAIplB,CAAJ,CAAD,CAAzC,GAAoD,cAAxE;AACA,aAAO,IAAP;AACD;;AAED,QAAIolB,CAAC,KAAK,IAAN,IAAcA,CAAC,KAAK,IAAxB,EAA8B;AAC5B21B,UAAI,GAAG,CAAP;AACD,KAFD,MAEO;AACLA,UAAI,GAAG,CAAP;AACD,KApBsC,CAoBrC;;;AAEF,QAAIyD,OAAO,GAAG,KAAKf,QAAL,CAAc1C,IAAI,GAAG,CAArB,CAAd;;AAEA,QAAI31B,CAAC,KAAK,IAAN,IAAcA,CAAC,KAAK,IAAxB,EAA8B;AAC5B,UAAIplB,CAAC,KAAK,IAAV,EAAgB;AACdw+C,eAAO,CAAC1C,KAAR;AACD,OAFD,MAEO,IAAI97C,CAAC,KAAK,IAAV,EAAgB;AACrBw+C,eAAO,CAACzC,IAAR;AACD,OAFM,MAEA,IAAI/7C,CAAC,KAAK,IAAV,EAAgB;AACrBw+C,eAAO,CAACxC,KAAR;AACD,OAFM,MAEA,IAAIh8C,CAAC,KAAK,IAAV,EAAgB;AACrBw+C,eAAO,CAACvC,KAAR;AACD,OAFM,MAEA,IAAIj8C,CAAC,KAAK,IAAV,EAAgB;AACrBw+C,eAAO,CAACtC,KAAR;AACD,OAFM,MAEA,IAAIl8C,CAAC,KAAK,IAAV,EAAgB;AACrBw+C,eAAO,CAACrC,IAAR,CAAa,CAAb;AACD,OAFM,MAEA,IAAIn8C,CAAC,KAAK,IAAV,EAAgB;AACrBw+C,eAAO,CAACrC,IAAR,CAAa,CAAb;AACD,OAFM,MAEA,IAAIn8C,CAAC,KAAK,IAAV,EAAgB;AACrBw+C,eAAO,CAACrC,IAAR,CAAa,CAAb;AACD,OAFM,MAEA,IAAIn8C,CAAC,KAAK,IAAV,EAAgB;AACrBw+C,eAAO,CAACpC,KAAR;AACD,OAFM,MAEA,IAAIp8C,CAAC,KAAK,IAAV,EAAgB;AACrBw+C,eAAO,CAACnC,KAAR;AACD,OAFM,MAEA,IAAIr8C,CAAC,KAAK,IAAV,EAAgB;AACrBw+C,eAAO,CAAClC,IAAR;AACD,OAFM,MAEA,IAAIt8C,CAAC,KAAK,IAAV,EAAgB;AACrBw+C,eAAO,CAACjC,KAAR;AACD,OAFM,MAEA,IAAIv8C,CAAC,KAAK,IAAV,EAAgB;AACrBw+C,eAAO,CAAChC,KAAR;AACD,OAFM,MAEA,IAAIx8C,CAAC,KAAK,IAAV,EAAgB;AACrBw+C,eAAO,CAAC/B,IAAR;AACD,OAFM,MAEA,IAAIz8C,CAAC,KAAK,IAAV,EAAgB;AACrBw+C,eAAO,CAAC9B,KAAR;AACD,OAFM,MAEA,IAAI18C,CAAC,KAAK,IAAV,EAAgB;AACrBw+C,eAAO,CAAC7B,KAAR;AACD;AACF,KAlCD,MAkCO;AAAE;AACP6B,aAAO,CAAC5B,IAAR,CAAa58C,CAAC,GAAG,IAAjB;AACD;;AACD,SAAK29C,QAAL,GAAgBv4B,CAAhB;AACA,SAAKw4B,QAAL,GAAgB59C,CAAhB;AACA,SAAK09C,QAAL,GAAgB3C,IAAhB;AACA,WAAO,IAAP;AACD;AAED;;;;;;UAIAqD,W,GAAA,qBAAah5B,CAAb,EAAwBplB,CAAxB,EAA4C;AAC1C,QAAI+6C,IAAmB,GAAG,IAA1B;;AAEA,QAAI,CAAE31B,CAAC,KAAK,IAAP,IAAiBA,CAAC,KAAK,IAAxB,KAAkCplB,CAAC,IAAI,IAAvC,IAA+CA,CAAC,IAAI,IAAxD,EAA8D;AAC5D,UAAIolB,CAAC,KAAK,IAAV,EAAgB;AACd21B,YAAI,GAAG,CAAP;AACD,OAFD,MAEO;AACLA,YAAI,GAAG,CAAP;AACD;;AAED,UAAIA,IAAI,KAAK,KAAK2C,QAAlB,EAA4B;AAC1BnwD,6BAAM,CAACC,GAAP,CAAW,OAAX,EAAoB,oCAApB;AACA,eAAO,KAAP;AACD;;AACD,UAAIgxD,OAAO,GAAG,KAAKf,QAAL,CAAc1C,IAAI,GAAG,CAArB,CAAd;AACAyD,aAAO,CAAC1B,QAAR,CAAiB98C,CAAjB;AACAzS,2BAAM,CAACC,GAAP,CAAW,OAAX,EAAoB,aAAaipD,kBAAkB,CAAC,CAACrxB,CAAD,EAAIplB,CAAJ,CAAD,CAA/B,GAA0C,GAA9D;AACA,aAAO,IAAP;AACD;;AACD,WAAO,KAAP;AACD;AACD;;;;;;UAIAq+C,Q,GAAA,kBAAUj5B,CAAV,EAAqBplB,CAArB,EAAyC;AACvC,QAAI+6C,IAAmB,GAAG,IAA1B;AACA,QAAIlG,GAAkB,GAAG,IAAzB;AAEA,QAAI8J,KAAK,GAAG,CAAEv5B,CAAC,IAAI,IAAL,IAAaA,CAAC,IAAI,IAAnB,IAA6BA,CAAC,IAAI,IAAL,IAAaA,CAAC,IAAI,IAAhD,KAA2DplB,CAAC,IAAI,IAAL,IAAaA,CAAC,IAAI,IAAzF;AACA,QAAI4+C,KAAK,GAAG,CAACx5B,CAAC,KAAK,IAAN,IAAcA,CAAC,KAAK,IAArB,KAA+BplB,CAAC,IAAI,IAAL,IAAaA,CAAC,IAAI,IAA7D;;AACA,QAAI,EAAE2+C,KAAK,IAAIC,KAAX,CAAJ,EAAuB;AACrB,aAAO,KAAP;AACD;;AAED,QAAIx5B,CAAC,KAAK,KAAKu4B,QAAX,IAAuB39C,CAAC,KAAK,KAAK49C,QAAtC,EAAgD;AAC9C,WAAKD,QAAL,GAAgB,IAAhB;AACA,WAAKC,QAAL,GAAgB,IAAhB;AACA,aAAO,IAAP,CAH8C,CAGjC;AACd;;AAED7C,QAAI,GAAI31B,CAAC,IAAI,IAAN,GAAc,CAAd,GAAkB,CAAzB;;AAEA,QAAIplB,CAAC,IAAI,IAAL,IAAaA,CAAC,IAAI,IAAtB,EAA4B;AAC1B60C,SAAG,GAAIkG,IAAI,KAAK,CAAV,GAAenF,UAAU,CAACxwB,CAAD,CAAzB,GAA+B0wB,UAAU,CAAC1wB,CAAD,CAA/C;AACD,KAFD,MAEO;AAAE;AACPyvB,SAAG,GAAIkG,IAAI,KAAK,CAAV,GAAelF,WAAW,CAACzwB,CAAD,CAA1B,GAAgC2wB,WAAW,CAAC3wB,CAAD,CAAjD;AACD;;AACD,QAAIs0B,OAAO,GAAG,KAAKmF,YAAL,CAAkBhK,GAAlB,EAAwB70C,CAAxB,CAAd;AACA,QAAIw+C,OAAO,GAAG,KAAKf,QAAL,CAAc1C,IAAI,GAAG,CAArB,CAAd;AACAyD,WAAO,CAAC/E,MAAR,CAAeC,OAAf;AACA,SAAKiE,QAAL,GAAgBv4B,CAAhB;AACA,SAAKw4B,QAAL,GAAgB59C,CAAhB;AACA,SAAK09C,QAAL,GAAgB3C,IAAhB;AACA,WAAO,IAAP;AACD;AAED;;;;;;UAIA8D,Y,GAAA,sBAAchK,GAAd,EAA2BW,IAA3B,EAAkD;AAChD,QAAIsJ,QAAQ,GAAGtJ,IAAf;AACA,QAAIkE,OAAgB,GAAG;AAAEK,WAAK,EAAE,IAAT;AAAehD,aAAO,EAAE,KAAxB;AAA+BhC,YAAM,EAAE,IAAvC;AAA6C+B,eAAS,EAAE,KAAxD;AAA+DjC,SAAG,EAAEA;AAApE,KAAvB;;AAEA,QAAIW,IAAI,GAAG,IAAX,EAAiB;AACfsJ,cAAQ,GAAGtJ,IAAI,GAAG,IAAlB;AACD,KAFD,MAEO;AACLsJ,cAAQ,GAAGtJ,IAAI,GAAG,IAAlB;AACD;;AAEDkE,WAAO,CAAC5C,SAAR,GAAoB,CAACgI,QAAQ,GAAG,CAAZ,MAAmB,CAAvC;;AACA,QAAIA,QAAQ,IAAI,GAAhB,EAAqB;AACnBpF,aAAO,CAACK,KAAR,GAAgB,CAAC,OAAD,EAAU,OAAV,EAAmB,MAAnB,EAA2B,MAA3B,EAAmC,KAAnC,EAA0C,QAA1C,EAAoD,SAApD,EAA+D,OAA/D,EAAwEhlD,IAAI,CAACkE,KAAL,CAAW6lD,QAAQ,GAAG,CAAtB,CAAxE,CAAhB;AACD,KAFD,MAEO,IAAIA,QAAQ,IAAI,GAAhB,EAAqB;AAC1BpF,aAAO,CAAC3C,OAAR,GAAkB,IAAlB;AACA2C,aAAO,CAACK,KAAR,GAAgB,OAAhB;AACD,KAHM,MAGA;AACLL,aAAO,CAAC3E,MAAR,GAAkBhgD,IAAI,CAACkE,KAAL,CAAW,CAAC6lD,QAAQ,GAAG,IAAZ,IAAoB,CAA/B,CAAD,GAAsC,CAAvD;AACD;;AACD,WAAOpF,OAAP,CAnBgD,CAmBhC;AACjB;AAED;;;;;;UAIA6E,U,GAAA,oBAAYn5B,CAAZ,EAAuBplB,CAAvB,EAAmD;AACjD,QAAI++C,SAAwB,GAAG,IAA/B;AAAA,QACEC,SAA0B,GAAG,IAD/B;AAAA,QAEEC,SAAwB,GAAG,IAF7B;;AAIA,QAAI75B,CAAC,IAAI,IAAT,EAAe;AACb25B,eAAS,GAAG,CAAZ;AACAE,eAAS,GAAG75B,CAAC,GAAG,CAAhB;AACD,KAHD,MAGO;AACL25B,eAAS,GAAG,CAAZ;AACAE,eAAS,GAAG75B,CAAZ;AACD;;AACD,QAAI65B,SAAS,IAAI,IAAb,IAAqBA,SAAS,IAAI,IAAtC,EAA4C;AAC1C;AACA,UAAIC,OAAO,GAAGl/C,CAAd;;AACA,UAAIi/C,SAAS,KAAK,IAAlB,EAAwB;AACtBC,eAAO,GAAGl/C,CAAC,GAAG,IAAd;AACD,OAFD,MAEO,IAAIi/C,SAAS,KAAK,IAAlB,EAAwB;AAC7BC,eAAO,GAAGl/C,CAAC,GAAG,IAAd;AACD,OAFM,MAEA;AACLk/C,eAAO,GAAGl/C,CAAC,GAAG,IAAd;AACD;;AAEDzS,2BAAM,CAACC,GAAP,CAAW,MAAX,EAAmB,oBAAoB+nD,cAAc,CAAC2J,OAAD,CAAlC,GAA8C,gBAA9C,GAAiEH,SAApF;AACAC,eAAS,GAAG,CAACE,OAAD,CAAZ;AACD,KAbD,MAaO,IAAI95B,CAAC,IAAI,IAAL,IAAaA,CAAC,IAAI,IAAtB,EAA4B;AACjC45B,eAAS,GAAIh/C,CAAC,KAAK,CAAP,GAAY,CAAColB,CAAD,CAAZ,GAAkB,CAACA,CAAD,EAAIplB,CAAJ,CAA9B;AACD;;AACD,QAAIg/C,SAAJ,EAAe;AACb,UAAIG,QAAQ,GAAG1I,kBAAkB,CAACuI,SAAD,CAAjC;AACAzxD,2BAAM,CAACC,GAAP,CAAW,OAAX,EAAoB,mBAAmB2xD,QAAQ,CAACp+C,IAAT,CAAc,GAAd,CAAvC;AACA,WAAK48C,QAAL,GAAgB,IAAhB;AACA,WAAKC,QAAL,GAAgB,IAAhB;AACD;;AACD,WAAOoB,SAAP;AACD;AAED;;;;;;UAIAV,yB,GAAA,mCAA2Bl5B,CAA3B,EAAsCplB,CAAtC,EAA0D;AACxD,QAAIi6C,OAAJ,EACExyC,KADF,EAEEszC,IAFF,EAGEyD,OAHF;AAKA,QAAIG,KAAK,GAAG,CAACv5B,CAAC,KAAK,IAAN,IAAcA,CAAC,KAAK,IAArB,KAA+BplB,CAAC,IAAI,IAAL,IAAaA,CAAC,IAAI,IAA7D;AACA,QAAI4+C,KAAK,GAAG,CAACx5B,CAAC,KAAK,IAAN,IAAcA,CAAC,KAAK,IAArB,KAA+BplB,CAAC,IAAI,IAAL,IAAaA,CAAC,IAAI,IAA7D;;AACA,QAAI,EAAE2+C,KAAK,IAAIC,KAAX,CAAJ,EAAuB;AACrB,aAAO,KAAP;AACD;;AAED3E,WAAO,GAAG,EAAV;;AACA,QAAI70B,CAAC,KAAK,IAAN,IAAcA,CAAC,KAAK,IAAxB,EAA8B;AAC5B3d,WAAK,GAAG1S,IAAI,CAACkE,KAAL,CAAW,CAAC+G,CAAC,GAAG,IAAL,IAAa,CAAxB,CAAR;AACAi6C,aAAO,CAACjD,UAAR,GAAqBhB,gBAAgB,CAACvuC,KAAD,CAArC;;AACA,UAAIzH,CAAC,GAAG,CAAJ,KAAU,CAAd,EAAiB;AACfi6C,eAAO,CAACjD,UAAR,GAAqBiD,OAAO,CAACjD,UAAR,GAAqB,OAA1C;AACD;AACF,KAND,MAMO,IAAIh3C,CAAC,KAAK,IAAV,EAAgB;AACrBi6C,aAAO,CAACjD,UAAR,GAAqB,aAArB;AACD,KAFM,MAEA;AACLiD,aAAO,CAACpD,UAAR,GAAqB,OAArB;;AACA,UAAI72C,CAAC,KAAK,IAAV,EAAgB;AACdi6C,eAAO,CAACnD,SAAR,GAAoB,IAApB;AACD;AACF;;AACDiE,QAAI,GAAI31B,CAAC,GAAG,IAAL,GAAa,CAAb,GAAiB,CAAxB;AACAo5B,WAAO,GAAG,KAAKf,QAAL,CAAc1C,IAAI,GAAG,CAArB,CAAV;AACAyD,WAAO,CAACxE,UAAR,CAAmBC,OAAnB;AACA,SAAK0D,QAAL,GAAgB,IAAhB;AACA,SAAKC,QAAL,GAAgB,IAAhB;AACA,WAAO,IAAP;AACD;AAED;;;;;UAGA1G,K,GAAA,iBAAS;AACP,SAAK,IAAIruD,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG,KAAK40D,QAAL,CAAcvzD,MAAlC,EAA0CrB,CAAC,EAA3C,EAA+C;AAC7C,UAAI,KAAK40D,QAAL,CAAc50D,CAAd,CAAJ,EAAsB;AACpB,aAAK40D,QAAL,CAAc50D,CAAd,EAAiBquD,KAAjB;AACD;AACF;;AACD,SAAKyG,QAAL,GAAgB,IAAhB;AACA,SAAKC,QAAL,GAAgB,IAAhB;AACD;AAED;;;;;UAGAT,c,GAAA,wBAAgBrzD,CAAhB,EAA2B;AACzB,SAAK,IAAIjB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG,KAAK40D,QAAL,CAAcvzD,MAAlC,EAA0CrB,CAAC,EAA3C,EAA+C;AAC7C,UAAI,KAAK40D,QAAL,CAAc50D,CAAd,CAAJ,EAAsB;AACpB,aAAK40D,QAAL,CAAc50D,CAAd,EAAiBs0D,cAAjB,CAAgCrzD,CAAhC;AACD;AACF;AACF,G;;;;;AAGYszD,+DAAf,E;;IC1tCqBgC,Y;;;AAOnB;AACA,wBAAaC,kBAAb,EAAsCxnB,SAAtC,EAAyD;AAAA,SAPzDwnB,kBAOyD;AAAA,SANzDxnB,SAMyD;AAAA,SALzD5zB,SAKyD;AAAA,SAJzDC,OAIyD;AAAA,SAHzD03C,MAGyD;AACvD,SAAKyD,kBAAL,GAA0BA,kBAA1B;AACA,SAAKxnB,SAAL,GAAiBA,SAAjB;AACA,SAAK5zB,SAAL,GAAiB,IAAjB;AACA,SAAKC,OAAL,GAAe,IAAf;AACA,SAAK03C,MAAL,GAAc,IAAd;AACD;;;;SAEDsB,W,GAAA,uBAAe;AACb,QAAI,KAAKj5C,SAAL,KAAmB,IAAvB,EAA6B;AAC3B;AACD;;AAED,SAAKo7C,kBAAL,CAAwBC,OAAxB,CAAgC,KAAKznB,SAArC,EAAgD,KAAK5zB,SAArD,EAAgE,KAAKC,OAArE,EAA8E,KAAK03C,MAAnF;AACA,SAAK33C,SAAL,GAAiB,IAAjB;AACD,G;;SAED0wC,M,GAAA,gBAAQ1wC,SAAR,EAA2BC,OAA3B,EAA4C03C,MAA5C,EAAmE;AACjE,QAAI,KAAK33C,SAAL,KAAmB,IAAnB,IAA2B,KAAKA,SAAL,GAAiBA,SAAhD,EAA2D;AACzD,WAAKA,SAAL,GAAiBA,SAAjB;AACD;;AAED,SAAKC,OAAL,GAAeA,OAAf;AACA,SAAK03C,MAAL,GAAcA,MAAd;AACA,SAAKyD,kBAAL,CAAwBE,mBAAxB,CAA4C,KAAK1nB,SAAjD;AACD,G;;;;;;;;;;;;;;;;;ACnCH;AACA;AACA;AACA;AAGA,IAAM2nB,UAAU,GAAG,kBAAnB,C,CAEA;;AACA,IAAMC,UAAU,GAAG,SAAbA,UAAa,CACjBC,WADiB,EAEjBC,YAFiB,EAGjBhrD,QAHiB,EAIjB;AAAA,MADAA,QACA;AADAA,YACA,GADmB,CACnB;AAAA;;AACA,SAAO+qD,WAAW,CAAC5oC,MAAZ,CAAmBniB,QAAnB,EAA6BgrD,YAAY,CAACz1D,MAA1C,MAAsDy1D,YAA7D;AACD,CAND;;AAQA,IAAMC,8BAAgB,GAAG,SAAnBA,gBAAmB,CAAUC,UAAV,EAA8B;AACrD,MAAIpM,EAAE,GAAGn/C,QAAQ,CAACurD,UAAU,CAAC/oC,MAAX,CAAkB,CAAC,CAAnB,CAAD,CAAjB;AACA,MAAMgpC,IAAI,GAAGxrD,QAAQ,CAACurD,UAAU,CAAC/oC,MAAX,CAAkB,CAAC,CAAnB,EAAsB,CAAtB,CAAD,CAArB;AACA,MAAMipC,IAAI,GAAGzrD,QAAQ,CAACurD,UAAU,CAAC/oC,MAAX,CAAkB,CAAC,CAAnB,EAAsB,CAAtB,CAAD,CAArB;AACA,MAAMkpC,KAAK,GACTH,UAAU,CAAC31D,MAAX,GAAoB,CAApB,GACIoK,QAAQ,CAACurD,UAAU,CAAC/oC,MAAX,CAAkB,CAAlB,EAAqB+oC,UAAU,CAACjwD,OAAX,CAAmB,GAAnB,CAArB,CAAD,CADZ,GAEI,CAHN;;AAKA,MACE,CAAC,0CAAgB6jD,EAAhB,CAAD,IACA,CAAC,0CAAgBqM,IAAhB,CADD,IAEA,CAAC,0CAAgBC,IAAhB,CAFD,IAGA,CAAC,0CAAgBC,KAAhB,CAJH,EAKE;AACA,UAAM51D,KAAK,uCAAqCy1D,UAArC,CAAX;AACD;;AAEDpM,IAAE,IAAI,OAAOqM,IAAb;AACArM,IAAE,IAAI,KAAK,IAAL,GAAYsM,IAAlB;AACAtM,IAAE,IAAI,KAAK,EAAL,GAAU,IAAV,GAAiBuM,KAAvB;AAEA,SAAOvM,EAAP;AACD,CAvBD,C,CAyBA;;;AACA,IAAMwM,IAAI,GAAG,cAAUlmD,IAAV,EAAwB;AACnC,MAAIkmD,IAAI,GAAG,IAAX;AACA,MAAIp3D,CAAC,GAAGkR,IAAI,CAAC7P,MAAb;;AACA,SAAOrB,CAAP,EAAU;AACRo3D,QAAI,GAAIA,IAAI,GAAG,EAAR,GAAclmD,IAAI,CAACmmD,UAAL,CAAgB,EAAEr3D,CAAlB,CAArB;AACD;;AAED,SAAO,CAACo3D,IAAI,KAAK,CAAV,EAAar/C,QAAb,EAAP;AACD,CARD,C,CAUA;AACA;;;AACO,SAASu/C,aAAT,CACLl8C,SADK,EAELC,OAFK,EAGLnK,IAHK,EAIL;AACA,SAAOkmD,IAAI,CAACh8C,SAAS,CAACrD,QAAV,EAAD,CAAJ,GAA6Bq/C,IAAI,CAAC/7C,OAAO,CAACtD,QAAR,EAAD,CAAjC,GAAwDq/C,IAAI,CAAClmD,IAAD,CAAnE;AACD;;AAED,IAAMqmD,eAAe,GAAG,SAAlBA,eAAkB,CAAUC,MAAV,EAA0BvuC,EAA1B,EAA8BwuC,gBAA9B,EAAgD;AACtE,MAAIC,MAAM,GAAGF,MAAM,CAACvuC,EAAD,CAAnB;AACA,MAAI0uC,MAAM,GAAGH,MAAM,CAACE,MAAM,CAACC,MAAR,CAAnB,CAFsE,CAItE;AACA;;AACA,MAAI,CAACA,MAAD,IAAY,CAACA,MAAM,CAACC,GAAR,IAAeF,MAAM,CAACE,GAAtC,EAA4C;AAC1CJ,UAAM,CAAC13B,QAAP,GAAkB03B,MAAM,CAACK,kBAAP,GAA4BH,MAAM,CAACllD,KAArD;AACAklD,UAAM,CAACE,GAAP,GAAa,KAAb;AACA;AACD,GAVqE,CAYtE;AACA;;;AACA,SAAOD,MAAM,IAAIA,MAAM,CAACC,GAAxB,EAA6B;AAC3BJ,UAAM,CAAC13B,QAAP,IAAmB43B,MAAM,CAACllD,KAAP,GAAemlD,MAAM,CAACnlD,KAAzC;AACAklD,UAAM,CAACE,GAAP,GAAa,KAAb;AACAF,UAAM,GAAGC,MAAT;AACAA,UAAM,GAAGH,MAAM,CAACE,MAAM,CAACC,MAAR,CAAf;AACD;;AAEDH,QAAM,CAACK,kBAAP,GAA4BJ,gBAA5B;AACD,CAtBD;;AAwBO,SAASK,WAAT,CACLC,YADK,EAELj4C,OAFK,EAGLuB,SAHK,EAILm2C,MAJK,EAKLvuC,EALK,EAMLlf,UANK,EAOLiuD,QAPK,EAQLC,aARK,EASL;AACA,MAAMC,MAAM,GAAG,IAAIjP,SAAJ,EAAf,CADA,CAEA;AACA;;AACA,MAAMkP,QAAQ,GAAG9/C,6BAAc,CAAC,IAAIrM,UAAJ,CAAe+rD,YAAf,CAAD,CAAd,CACdvL,IADc,GAEdltC,OAFc,CAENq3C,UAFM,EAEM,IAFN,EAGd/sC,KAHc,CAGR,IAHQ,CAAjB;AAIA,MAAMoqB,IAAc,GAAG,EAAvB;AACA,MAAMokB,WAAW,GAAGC,0DAA0B,CAACv4C,OAAD,EAAUuB,SAAV,CAA9C;AACA,MAAIi3C,OAAO,GAAG,WAAd;AACA,MAAIC,kBAAkB,GAAG,CAAzB;AACA,MAAIC,iBAAiB,GAAG,CAAxB;AACA,MAAIC,YAAJ;AACA,MAAIC,QAAQ,GAAG,IAAf;AACA,MAAIC,YAAY,GAAG,KAAnB;;AAEAT,QAAM,CAACvM,KAAP,GAAe,UAAU5W,GAAV,EAAuB;AACpC;AACA,QAAM2iB,MAAM,GAAGF,MAAM,CAACvuC,EAAD,CAArB;AACA,QAAI2vC,SAAS,GAAGpB,MAAM,CAAC13B,QAAvB,CAHoC,CAKpC;;AACA,QAAM+4B,qBAAqB,GAAG,CAACN,kBAAkB,GAAGH,WAAtB,IAAqC,KAAnE,CANoC,CAQpC;;AACA,QAAIV,MAAM,IAAIA,MAAM,CAACE,GAArB,EAA0B;AACxB,UAAIY,iBAAiB,KAAK70D,SAA1B,EAAqC;AACnC;AACAi1D,iBAAS,GAAGpB,MAAM,CAAC13B,QAAP,GAAkB43B,MAAM,CAACllD,KAArC;AACD,OAHD,MAGO;AACL+kD,uBAAe,CAACC,MAAD,EAASvuC,EAAT,EAAa4vC,qBAAb,CAAf;AACD;AACF;;AAED,QAAIA,qBAAJ,EAA2B;AACzB;AACAD,eAAS,GAAGC,qBAAqB,GAAGrB,MAAM,CAACK,kBAA3C;AACD;;AAED,QAAIc,YAAJ,EAAkB;AAChB,UAAM1vD,QAAQ,GAAG8rC,GAAG,CAAC15B,OAAJ,GAAc05B,GAAG,CAAC35B,SAAnC;AACA,UAAMA,SAAS,GACb09C,mCAAY,CACV,CAAC/jB,GAAG,CAAC35B,SAAJ,GAAgBw9C,SAAhB,GAA4BJ,iBAA7B,IAAkD,KADxC,EAEVzuD,UAAU,GAAG,KAFH,CAAZ,GAGI,KAJN;AAKAgrC,SAAG,CAAC35B,SAAJ,GAAgBA,SAAhB;AACA25B,SAAG,CAAC15B,OAAJ,GAAcD,SAAS,GAAGnS,QAA1B;AACD,KAhCmC,CAkCpC;;;AACA,QAAMiI,IAAI,GAAG6jC,GAAG,CAAC7jC,IAAJ,CAASs7C,IAAT,EAAb,CAnCoC,CAqCpC;;AACAzX,OAAG,CAAC7jC,IAAJ,GAAW63C,kBAAkB,CAACC,kBAAkB,CAAC93C,IAAD,CAAnB,CAA7B,CAtCoC,CAwCpC;;AACA,QAAI,CAAC6jC,GAAG,CAAC3rC,EAAT,EAAa;AACX2rC,SAAG,CAAC3rC,EAAJ,GAASkuD,aAAa,CAACviB,GAAG,CAAC35B,SAAL,EAAgB25B,GAAG,CAAC15B,OAApB,EAA6BnK,IAA7B,CAAtB;AACD;;AAED,QAAI6jC,GAAG,CAAC15B,OAAJ,GAAc,CAAlB,EAAqB;AACnB24B,UAAI,CAACtrC,IAAL,CAAUqsC,GAAV;AACD;AACF,GAhDD;;AAkDAmjB,QAAM,CAACa,cAAP,GAAwB,UAAU3zD,KAAV,EAAwB;AAC9CqzD,gBAAY,GAAGrzD,KAAf;AACD,GAFD;;AAIA8yD,QAAM,CAACrM,OAAP,GAAiB,YAAY;AAC3B,QAAI4M,YAAJ,EAAkB;AAChBR,mBAAa,CAACQ,YAAD,CAAb;AACA;AACD;;AACDT,YAAQ,CAAChkB,IAAD,CAAR;AACD,GAND,CAvEA,CA+EA;;;AACAmkB,UAAQ,CAACrhD,OAAT,CAAiB,UAACq0C,IAAD,EAAU;AACzB,QAAIuN,QAAJ,EAAc;AACZ;AACA,UAAI9B,UAAU,CAACzL,IAAD,EAAO,kBAAP,CAAd,EAA0C;AACxC;AACAuN,gBAAQ,GAAG,KAAX;AACAC,oBAAY,GAAG,IAAf,CAHwC,CAIxC;;AACAxN,YAAI,CACDl9B,MADH,CACU,EADV,EAEGrE,KAFH,CAES,GAFT,EAGG9S,OAHH,CAGW,UAAC5M,SAAD,EAAe;AACtB,cAAI0sD,UAAU,CAAC1sD,SAAD,EAAY,QAAZ,CAAd,EAAqC;AACnCouD,mBAAO,GAAGpuD,SAAS,CAAC+jB,MAAV,CAAiB,CAAjB,CAAV;AACD,WAFD,MAEO,IAAI2oC,UAAU,CAAC1sD,SAAD,EAAY,SAAZ,CAAd,EAAsC;AAC3CquD,8BAAkB,GAAG9sD,QAAQ,CAACvB,SAAS,CAAC+jB,MAAV,CAAiB,CAAjB,CAAD,CAA7B;AACD;AACF,SATH;;AAUA,YAAI;AACF;AACAuqC,2BAAiB,GAAGzB,8BAAgB,CAACuB,OAAD,CAAhB,GAA4B,IAAhD;AACD,SAHD,CAGE,OAAOlzD,KAAP,EAAc;AACduzD,sBAAY,GAAG,KAAf;AACAF,sBAAY,GAAGrzD,KAAf;AACD,SArBuC,CAsBxC;;;AACA;AACD,OAxBD,MAwBO,IAAI+lD,IAAI,KAAK,EAAb,EAAiB;AACtBuN,gBAAQ,GAAG,KAAX;AACD;AACF,KA9BwB,CA+BzB;;;AACAR,UAAM,CAACr7C,KAAP,CAAasuC,IAAI,GAAG,IAApB;AACD,GAjCD;AAmCA+M,QAAM,CAACtM,KAAP;AACD,C;;;;;;;;;ACpND;AACA;AACA;AACA;AACA;AACA;AACA;;AAIA;IACMoN,sC;;;;;AAkBJ,8BAAavyC,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EAAWlhB,iBAAK,CAACme,eAAjB,EACEne,iBAAK,CAACqe,eADR,EAEEre,iBAAK,CAAC2X,qBAFR,EAGE3X,iBAAK,CAAC+V,cAHR,EAIE/V,iBAAK,CAAC+e,gBAJR,EAKE/e,iBAAK,CAACgf,eALR,EAMEhf,iBAAK,CAACsgB,WANR,EAOEtgB,iBAAK,CAAC4X,cAPR;AADgB,UAjBVkS,KAiBU,GAjBuB,IAiBvB;AAAA,UAhBVrrB,MAgBU;AAAA,UAfVi1D,OAeU,GAfS,IAeT;AAAA,UAdVC,IAcU;AAAA,UAbV1kB,UAaU,GAbqB,EAarB;AAAA,UAZVv0B,MAYU,GAZW,EAYX;AAAA,UAXVH,OAWU,GAXe,EAWf;AAAA,UAVVuB,SAUU,GAViB,EAUjB;AAAA,UATV83C,gBASU,GATgD,EAShD;AAAA,UARVC,SAQU,GARc,EAQd;AAAA,UAPVC,cAOU,GAPY,EAOZ;AAAA,UANVC,kBAMU;AAAA,UALVC,YAKU;AAAA,UAJVC,MAIU,GAJO,CAAC,CAIR;AAAA,UAHV7B,MAGU,GAHO,CAAC,CAGR;AAAA,UAFVH,MAEU,GAFI,IAEJ;AAUhB,UAAK/wC,GAAL,GAAWA,GAAX;AACA,UAAKziB,MAAL,GAAcyiB,GAAG,CAACziB,MAAlB;AACA,UAAKk1D,IAAL,GAAYzyC,GAAG,CAACziB,MAAJ,CAAWy1D,UAAvB;AAEA,UAAKH,kBAAL,GAA0B;AACxBI,gBAAU,EAAE;AACVhlB,aAAK,EAAE,MAAK1wC,MAAL,CAAY21D,uBADT;AAEVC,oBAAY,EAAE,MAAK51D,MAAL,CAAY61D;AAFhB,OADY;AAKxBC,gBAAU,EAAE;AACVplB,aAAK,EAAE,MAAK1wC,MAAL,CAAY+1D,uBADT;AAEVH,oBAAY,EAAE,MAAK51D,MAAL,CAAYg2D;AAFhB;AALY,KAA1B;;AAWA,QAAI,MAAKh2D,MAAL,CAAYi2D,oBAAhB,EAAsC;AACpC,UAAMC,QAAQ,GAAG,IAAI3D,YAAJ,mDAAuB,YAAvB,CAAjB;AACA,UAAM4D,QAAQ,GAAG,IAAI5D,YAAJ,mDAAuB,YAAvB,CAAjB;AACA,YAAKgD,YAAL,GAAoB,IAAIhF,cAAJ,CAAiB,CAAjB,EAAoB2F,QAApB,EAA8BC,QAA9B,CAApB;AACD;;AA7Be;AA8BjB;;;;SAED1D,O,GAAA,iBAASznB,SAAT,EAA4B5zB,SAA5B,EAA+CC,OAA/C,EAAgE03C,MAAhE,EAAuF;AACrF;AACA,QAAMqH,MAAM,GAAG,KAAKhB,SAApB;AACA,QAAIiB,MAAM,GAAG,KAAb;;AACA,SAAK,IAAIr6D,CAAC,GAAGo6D,MAAM,CAAC/4D,MAApB,EAA4BrB,CAAC,EAA7B,GAAkC;AAChC,UAAIs6D,QAAQ,GAAGF,MAAM,CAACp6D,CAAD,CAArB;AACA,UAAIu6D,OAAO,GAAGC,YAAY,CAACF,QAAQ,CAAC,CAAD,CAAT,EAAcA,QAAQ,CAAC,CAAD,CAAtB,EAA2Bl/C,SAA3B,EAAsCC,OAAtC,CAA1B;;AACA,UAAIk/C,OAAO,IAAI,CAAf,EAAkB;AAChBD,gBAAQ,CAAC,CAAD,CAAR,GAAcpuD,IAAI,CAACC,GAAL,CAASmuD,QAAQ,CAAC,CAAD,CAAjB,EAAsBl/C,SAAtB,CAAd;AACAk/C,gBAAQ,CAAC,CAAD,CAAR,GAAcpuD,IAAI,CAACoX,GAAL,CAASg3C,QAAQ,CAAC,CAAD,CAAjB,EAAsBj/C,OAAtB,CAAd;AACAg/C,cAAM,GAAG,IAAT;;AACA,YAAKE,OAAO,IAAIl/C,OAAO,GAAGD,SAAd,CAAR,GAAoC,GAAxC,EAA6C;AAC3C;AACD;AACF;AACF;;AACD,QAAI,CAACi/C,MAAL,EAAa;AACXD,YAAM,CAAC1xD,IAAP,CAAY,CAAC0S,SAAD,EAAYC,OAAZ,CAAZ;AACD;;AAED,SAAK69C,IAAL,CAAUpN,MAAV,CAAiB,KAAKuN,cAAL,CAAoBrqB,SAApB,CAAjB,EAAiD5zB,SAAjD,EAA4DC,OAA5D,EAAqE03C,MAArE;AACD,G,CAED;;;SACA3N,c,GAAA,wBAAgB9mD,IAAhB,EAA0F;AAAA;;AAAA,QAChF+W,IADgF,GAC/C/W,IAD+C,CAChF+W,IADgF;AAAA,QAC1EjM,EAD0E,GAC/C9K,IAD+C,CAC1E8K,EAD0E;AAAA,QACtE0W,OADsE,GAC/CxhB,IAD+C,CACtEwhB,OADsE;AAAA,QAC7DuB,SAD6D,GAC/C/iB,IAD+C,CAC7D+iB,SAD6D;AAAA,QAEhF83C,gBAFgF,GAE3D,IAF2D,CAEhFA,gBAFgF;;AAIxF,QAAI/vD,EAAE,KAAK,MAAX,EAAmB;AACjB,WAAK0W,OAAL,CAAazK,IAAI,CAAC4T,EAAlB,IAAwBnJ,OAAxB;AACA,WAAKuB,SAAL,CAAehM,IAAI,CAAC4T,EAApB,IAA0B5H,SAA1B;AACD,KAPuF,CASxF;AACA;;;AACA,QAAI83C,gBAAgB,CAAC93D,MAArB,EAA6B;AAC3B,WAAK83D,gBAAL,GAAwB,EAAxB;AACAA,sBAAgB,CAACriD,OAAjB,CAAyB,UAAAzB,IAAI,EAAI;AAC/B,cAAI,CAAC2lB,YAAL,CAAkB3lB,IAAlB;AACD,OAFD;AAGD;AACF,G;;SAEDolD,gB,GAAA,0BAAkBzrB,SAAlB,EAAuD;AAAA,QAC7C3f,KAD6C,GACnC,IADmC,CAC7CA,KAD6C;;AAErD,QAAIA,KAAJ,EAAW;AACT,WAAK,IAAIrvB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGqvB,KAAK,CAACmlB,UAAN,CAAiBnzC,MAArC,EAA6CrB,CAAC,EAA9C,EAAkD;AAChD,YAAI2U,SAAS,GAAG0a,KAAK,CAACmlB,UAAN,CAAiBx0C,CAAjB,CAAhB;;AACA,YAAI2U,SAAS,CAACq6B,SAAD,CAAb,EAA0B;AACxB,iBAAOr6B,SAAP;AACD;AACF;AACF;;AACD,WAAO,IAAP;AACD,G;;SAED+hD,mB,GAAA,6BAAqB1nB,SAArB,EAAwC;AAAA,QAC9BsqB,kBAD8B,GACgB,IADhB,CAC9BA,kBAD8B;AAAA,QACVD,cADU,GACgB,IADhB,CACVA,cADU;AAAA,QACMhqC,KADN,GACgB,IADhB,CACMA,KADN;AAAA,gCAENiqC,kBAAkB,CAACtqB,SAAD,CAFZ;AAAA,QAE9B0F,KAF8B,yBAE9BA,KAF8B;AAAA,QAEvBklB,YAFuB,yBAEvBA,YAFuB;;AAGtC,QAAI,CAACP,cAAc,CAACrqB,SAAD,CAAnB,EAAgC;AAC9B;AACA,UAAM0rB,aAAa,GAAG,KAAKD,gBAAL,CAAsBzrB,SAAtB,CAAtB;;AACA,UAAI,CAAC0rB,aAAL,EAAoB;AAClB,YAAM/lD,SAAS,GAAG,KAAKgmD,eAAL,CAAqB,UAArB,EAAiCjmB,KAAjC,EAAwCklB,YAAxC,CAAlB;;AACA,YAAIjlD,SAAJ,EAAe;AACb;AACAA,mBAAS,CAACq6B,SAAD,CAAT,GAAuB,IAAvB;AACAqqB,wBAAc,CAACrqB,SAAD,CAAd,GAA4Br6B,SAA5B;AACD;AACF,OAPD,MAOO;AACL0kD,sBAAc,CAACrqB,SAAD,CAAd,GAA4B0rB,aAA5B;AACA3mB,wBAAgB,CAACslB,cAAc,CAACrqB,SAAD,CAAf,CAAhB;AACAyE,yBAAiB,CAAC4lB,cAAc,CAACrqB,SAAD,CAAf,EAA4B3f,KAA5B,CAAjB;AACD;AACF;AACF,G;;SAEDsrC,e,GAAA,yBAAiBlmB,IAAjB,EAAsCC,KAAtC,EAAqD5kB,IAArD,EAA0F;AACxF,QAAMT,KAAK,GAAG,KAAKA,KAAnB;;AACA,QAAI,CAACA,KAAL,EAAY;AACV;AACD;;AACD,WAAOA,KAAK,CAACslB,YAAN,CAAmBF,IAAnB,EAAyBC,KAAzB,EAAgC5kB,IAAhC,CAAP;AACD,G;;SAEDpsB,O,GAAA,mBAAW;AACT,4BAAMA,OAAN;AACD,G;;SAEDy5C,gB,GAAA,0BAAkB7+C,IAAlB,EAAqD;AACnD,SAAK+wB,KAAL,GAAa/wB,IAAI,CAAC+wB,KAAlB;;AACA,SAAKurC,YAAL;AACD,G;;SAED/sB,gB,GAAA,4BAAoB;AAAA,QACVwrB,cADU,GACS,IADT,CACVA,cADU;AAElBtgC,UAAM,CAACM,IAAP,CAAYggC,cAAZ,EAA4BviD,OAA5B,CAAoC,UAAAk4B,SAAS,EAAI;AAC/C+E,sBAAgB,CAACslB,cAAc,CAACrqB,SAAD,CAAf,CAAhB;AACA,aAAOqqB,cAAc,CAACrqB,SAAD,CAArB;AACD,KAHD;AAID,G;;SAEDjc,iB,GAAA,6BAAqB;AACnB,SAAKymC,MAAL,GAAc,CAAC,CAAf,CADmB,CACD;;AAClB,SAAK7B,MAAL,GAAc,CAAC,CAAf;AACA,SAAKH,MAAL,GAAc;AAAE;AACd13B,cAAQ,EAAE,CADE;AAEZ+3B,wBAAkB,EAAE,CAFR;AAGZ,SAAG;AACDrlD,aAAK,EAAE,CADN;AACSmlD,cAAM,EAAE,CAAC,CADlB;AACqBC,WAAG,EAAE;AAD1B;AAHS,KAAd;AAOA,SAAKv2C,SAAL,GAAiB,EAAjB;;AACA,SAAKu5C,YAAL;AACD,G;;SAEDA,Y,GAAA,wBAAgB;AACd;AADc,QAENvrC,KAFM,GAEI,IAFJ,CAENA,KAFM;;AAGd,QAAI,CAACA,KAAL,EAAY;AACV;AACD;;AACD,QAAMmlB,UAAU,GAAGnlB,KAAK,CAACmlB,UAAzB;;AACA,QAAIA,UAAJ,EAAgB;AACd,WAAK,IAAIx0C,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGw0C,UAAU,CAACnzC,MAA/B,EAAuCrB,CAAC,EAAxC,EAA4C;AAC1C+zC,wBAAgB,CAACS,UAAU,CAACx0C,CAAD,CAAX,CAAhB;AACD;AACF;AACF,G;;SAED2xC,gB,GAAA,0BAAkBrzC,IAAlB,EAAmD;AAAA;;AACjD,SAAKk2C,UAAL,GAAkB,EAAlB;AACA,SAAK2kB,gBAAL,GAAwB,KAAKA,gBAAL,IAAyB,EAAjD;AACA,SAAKr5C,OAAL,GAAe,EAAf;AACA,SAAKs5C,SAAL,GAAiB,EAAjB;;AAEA,QAAI,KAAKp1D,MAAL,CAAY62D,YAAhB,EAA8B;AAC5B,WAAK56C,MAAL,GAAc3hB,IAAI,CAACk3B,SAAL,IAAkB,EAAhC;AACA,UAAMslC,WAAW,GAAG,KAAKzrC,KAAL,GAAa,KAAKA,KAAL,CAAWmlB,UAAxB,GAAqC,EAAzD;AAEA,WAAKv0B,MAAL,CAAYnJ,OAAZ,CAAoB,UAAClP,KAAD,EAAQgX,KAAR,EAAkB;AACpC,YAAIjK,SAAJ;;AACA,YAAIiK,KAAK,GAAGk8C,WAAW,CAACz5D,MAAxB,EAAgC;AAC9B,cAAI05D,UAA4B,GAAG,IAAnC;;AAEA,eAAK,IAAI/6D,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG86D,WAAW,CAACz5D,MAAhC,EAAwCrB,CAAC,EAAzC,EAA6C;AAC3C,gBAAIg7D,oBAAoB,CAACF,WAAW,CAAC96D,CAAD,CAAZ,EAAiB4H,KAAjB,CAAxB,EAAiD;AAC/CmzD,wBAAU,GAAGD,WAAW,CAAC96D,CAAD,CAAxB;AACA;AACD;AACF,WAR6B,CAU9B;;;AACA,cAAI+6D,UAAJ,EAAgB;AACdpmD,qBAAS,GAAGomD,UAAZ;AACD;AACF;;AACD,YAAI,CAACpmD,SAAL,EAAgB;AACdA,mBAAS,GAAG,MAAI,CAACgmD,eAAL,CAAqB,WAArB,EAAkC/yD,KAAK,CAACpJ,IAAxC,EAA8CoJ,KAAK,CAACkoB,IAApD,CAAZ;AACD;;AAED,YAAIloB,KAAK,CAAC4nB,OAAV,EAAmB;AACjB7a,mBAAS,CAACsgC,IAAV,GAAiB,MAAI,CAACxuB,GAAL,CAASw0C,eAAT,GAA2B,SAA3B,GAAuC,QAAxD;AACD,SAFD,MAEO;AACLtmD,mBAAS,CAACsgC,IAAV,GAAiB,UAAjB;AACD;;AAED,cAAI,CAACT,UAAL,CAAgB9rC,IAAhB,CAAqBiM,SAArB;AACD,OA5BD;AA6BD;AACF,G;;SAEDqmB,Y,GAAA,sBAAc18B,IAAd,EAAsD;AAAA,QAC5C+W,IAD4C,GAC1B/W,IAD0B,CAC5C+W,IAD4C;AAAA,QACtCyiB,OADsC,GAC1Bx5B,IAD0B,CACtCw5B,OADsC;AAAA,QAE5CyhC,YAF4C,GAEQ,IAFR,CAE5CA,YAF4C;AAAA,QAE9Bz5C,OAF8B,GAEQ,IAFR,CAE9BA,OAF8B;AAAA,QAErB05C,MAFqB,GAEQ,IAFR,CAErBA,MAFqB;AAAA,QAEbL,gBAFa,GAEQ,IAFR,CAEbA,gBAFa;;AAGpD,QAAI9jD,IAAI,CAAC5P,IAAL,KAAc,MAAlB,EAA0B;AACxB,UAAM2jB,EAAE,GAAG/T,IAAI,CAAC+T,EAAhB,CADwB,CAExB;;AACA,UAAI/T,IAAI,CAAC+T,EAAL,KAAYowC,MAAM,GAAG,CAAzB,EAA4B;AAC1B,YAAID,YAAJ,EAAkB;AAChBA,sBAAY,CAAClL,KAAb;AACD;AACF;;AACD,WAAKmL,MAAL,GAAcpwC,EAAd;AACD,KATD,CASE;AACF;AAVA,SAWK,IAAI/T,IAAI,CAAC5P,IAAL,KAAc,UAAlB,EAA8B;AACjC,YAAIqyB,OAAO,CAAC/4B,UAAZ,EAAwB;AACtB;AACA,cAAI,CAAC,0CAAgB+gB,OAAO,CAACzK,IAAI,CAAC4T,EAAN,CAAvB,CAAL,EAAwC;AACtCkwC,4BAAgB,CAACzwD,IAAjB,CAAsBpK,IAAtB;;AACA,gBAAIwhB,OAAO,CAACze,MAAZ,EAAoB;AAClB;AACA,mBAAKolB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACkgB,uBAAvB,EAAgD;AAAEy1C,uBAAO,EAAE,KAAX;AAAkB7lD,oBAAI,EAAJA;AAAlB,eAAhD;AACD;;AACD;AACD;;AAED,cAAI8lD,WAAW,GAAG9lD,IAAI,CAAClG,WAAvB,CAXsB,CAYtB;;AACA,cAAKgsD,WAAW,IAAI,IAAhB,IAA0BA,WAAW,CAAC58D,GAAZ,IAAmB,IAA7C,IAAuD48D,WAAW,CAAC5pD,MAAZ,KAAuB,SAAlF,EAA8F;AAC5F,iBAAK6pD,UAAL,CAAgB/lD,IAAhB,EAAsByiB,OAAtB;AACD;AACF,SAhBD,MAgBO;AACL;AACA,eAAKrR,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACkgB,uBAAvB,EAAgD;AAAEy1C,mBAAO,EAAE,KAAX;AAAkB7lD,gBAAI,EAAJA;AAAlB,WAAhD;AACD;AACF;AACF,G;;SAED+lD,U,GAAA,oBAAY/lD,IAAZ,EAA4ByiB,OAA5B,EAAqC;AAAA,QAC3BrR,GAD2B,GACS,IADT,CAC3BA,GAD2B;AAAA,QACtBkxC,MADsB,GACS,IADT,CACtBA,MADsB;AAAA,QACdnjB,UADc,GACS,IADT,CACdA,UADc;AAAA,QACFgjB,MADE,GACS,IADT,CACFA,MADE;;AAEnC,QAAI,CAACA,MAAM,CAACniD,IAAI,CAAC4T,EAAN,CAAX,EAAsB;AACpBuuC,YAAM,CAACniD,IAAI,CAAC4T,EAAN,CAAN,GAAkB;AAAEzW,aAAK,EAAE6C,IAAI,CAAC7C,KAAd;AAAqBmlD,cAAM,EAANA,MAArB;AAA6BC,WAAG,EAAE;AAAlC,OAAlB;AACA,WAAKD,MAAL,GAActiD,IAAI,CAAC4T,EAAnB;AACD,KALkC,CAMnC;;;AACA6uC,eAAW,CACThgC,OADS,EAET,KAAKhY,OAAL,CAAazK,IAAI,CAAC4T,EAAlB,CAFS,EAGT,KAAK5H,SAAL,CAAehM,IAAI,CAAC4T,EAApB,CAHS,EAITuuC,MAJS,EAKTniD,IAAI,CAAC4T,EALI,EAMT5T,IAAI,CAAC7C,KANI,EAOT,UAACwhC,IAAD,EAAU;AACR,UAAMqnB,YAAY,GAAG7mB,UAAU,CAACn/B,IAAI,CAACiU,KAAN,CAA/B,CADQ,CAER;AACA;AACA;;AACA,UAAI+xC,YAAY,CAACpmB,IAAb,KAAsB,UAA1B,EAAsC;AACpCxuB,WAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAACkgB,uBAAlB,EAA2C;AAAEy1C,iBAAO,EAAE,KAAX;AAAkB7lD,cAAI,EAAEA;AAAxB,SAA3C;AACA;AACD;;AACD,UAAIimD,YAAY,GAAG1vC,MAAM,CAACC,gBAA1B,CATQ,CAUR;;AAEAmoB,UAAI,CAACl9B,OAAL,CAAa,UAAAi+B,GAAG,EAAI;AAClB;AACAumB,oBAAY,GAAGpvD,IAAI,CAACC,GAAL,CAAS4oC,GAAG,CAAC35B,SAAb,EAAuBkgD,YAAvB,CAAf,CAFkB,CAGlB;AACA;AACA;;AACA,YAAI,CAACD,YAAY,CAACrnB,IAAb,CAAkBunB,UAAlB,CAA6BxmB,GAAG,CAAC3rC,EAAjC,CAAL,EAA2C;AACzC,cAAI;AACFiyD,wBAAY,CAAC/lB,MAAb,CAAoBP,GAApB;;AACA,gBAAI,CAACsmB,YAAY,CAACrnB,IAAb,CAAkBunB,UAAlB,CAA6BxmB,GAAG,CAAC3rC,EAAjC,CAAL,EAA2C;AACzC,oBAAM,IAAI7H,KAAJ,4BAAmCwzC,GAAnC,CAAN;AACD;AACF,WALD,CAKE,OAAO9vC,GAAP,EAAY;AACZP,4BAAM,CAAC6R,KAAP,sCAAgDtR,GAAhD;AACA,gBAAMu2D,YAAY,GAAG,IAAK9pC,MAAD,CAAgB2jB,YAApB,CAAiCN,GAAG,CAAC35B,SAArC,EAAgD25B,GAAG,CAAC15B,OAApD,EAA6D05B,GAAG,CAAC7jC,IAAjE,CAArB;AACAsqD,wBAAY,CAACpyD,EAAb,GAAkB2rC,GAAG,CAAC3rC,EAAtB;AACAiyD,wBAAY,CAAC/lB,MAAb,CAAoBkmB,YAApB;AACD;AACF;AACF,OAnBD;AAsBA,UAAInwB,gBAAgB,GAAG5kB,GAAG,CAACy5B,gBAAJ,CAAqB7U,gBAA5C,CAlCQ,CAmCR;AACA;;AACA,aAAO2I,IAAI,CAAC3yC,MAAL,GAAc,CAAd,IAAmBgqC,gBAAgB,KAAK1nC,SAA/C,EAA0D;AACxD;AACA,YAAI03D,YAAY,CAACrnB,IAAb,CAAkB,CAAlB,EAAqB54B,SAArB,GAAiCkgD,YAAY,GAAG,GAApD,EAAwD;AACtDD,sBAAY,CAACpnB,SAAb,CAAuBonB,YAAY,CAACrnB,IAAb,CAAkB,CAAlB,CAAvB;AACD,SAFD,MAEO;AACL;AACD;AACF;;AACDvtB,SAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAACkgB,uBAAlB,EAA2C;AAAEy1C,eAAO,EAAE,IAAX;AAAiB7lD,YAAI,EAAEA;AAAvB,OAA3C;AACD,KArDQ,EAsDT,UAACjQ,KAAD,EAAW;AACT;AACAV,sBAAM,CAACC,GAAP,+BAAuCS,KAAvC;AACAqhB,SAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAACkgB,uBAAlB,EAA2C;AAAEy1C,eAAO,EAAE,KAAX;AAAkB7lD,YAAI,EAAEA;AAAxB,OAA3C;AACD,KA1DQ,CAAX;AA4DD,G;;SAEDomD,e,GAAA,yBAAiBn9D,IAAjB,EAAwD;AAAA,QAC9C+W,IAD8C,GAC5B/W,IAD4B,CAC9C+W,IAD8C;AAAA,QACxCyiB,OADwC,GAC5Bx5B,IAD4B,CACxCw5B,OADwC;;AAEtD,QAAIziB,IAAI,CAAC5P,IAAL,KAAc,UAAlB,EAA8B;AAC5B,UAAI,CAAC,0CAAgB,KAAKqa,OAAL,CAAazK,IAAI,CAAC4T,EAAlB,CAAhB,CAAL,EAA6C;AAC3C,aAAKkwC,gBAAL,CAAsBzwD,IAAtB,CAA2BpK,IAA3B;AACA;AACD;;AAED,WAAK88D,UAAL,CAAgB/lD,IAAhB,EAAsByiB,OAAtB;AACD;AACF,G;;SAED4jC,qB,GAAA,+BAAuBp9D,IAAvB,EAAsD;AACpD,QAAI,CAAC,KAAK26D,OAAN,IAAiB,CAAC,KAAKM,YAA3B,EAAyC;AACvC;AACD,KAHmD,CAKpD;AACA;;;AACA,SAAK,IAAIv5D,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG1B,IAAI,CAACmK,OAAL,CAAapH,MAAjC,EAAyCrB,CAAC,EAA1C,EAA8C;AAC5C,UAAM27D,OAAO,GAAGr9D,IAAI,CAACmK,OAAL,CAAazI,CAAb,EAAgB6X,KAAhC;;AACA,UAAI8jD,OAAJ,EAAa;AACX,YAAMC,OAAO,GAAG,KAAKC,iBAAL,CAAuBF,OAAvB,CAAhB;AACA,aAAKpC,YAAL,CAAkBtE,OAAlB,CAA0B32D,IAAI,CAACmK,OAAL,CAAazI,CAAb,EAAgB+H,GAA1C,EAA+C6zD,OAA/C;AACD;AACF;AACF,G;;SAEDC,iB,GAAA,2BAAmBlkD,SAAnB,EAAyD;AACvD,QAAIrL,KAAK,GAAGqL,SAAS,CAAC,CAAD,CAAT,GAAe,EAA3B;AACA,QAAI7L,QAAQ,GAAG,CAAf;AACA,QAAIgwD,OAAJ,EAAaC,OAAb,EAAsBC,OAAtB,EAA+BC,OAA/B,EAAwCC,MAAxC;AACA,QAAIC,aAAuB,GAAG,EAA9B;;AAEA,SAAK,IAAIzuD,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGpB,KAApB,EAA2BoB,CAAC,EAA5B,EAAgC;AAC9BouD,aAAO,GAAGnkD,SAAS,CAAC7L,QAAQ,EAAT,CAAnB;AACAiwD,aAAO,GAAG,OAAOpkD,SAAS,CAAC7L,QAAQ,EAAT,CAA1B;AACAkwD,aAAO,GAAG,OAAOrkD,SAAS,CAAC7L,QAAQ,EAAT,CAA1B;AACAmwD,aAAO,GAAG,CAAC,IAAIH,OAAL,MAAkB,CAA5B;AACAI,YAAM,GAAG,IAAIJ,OAAb;;AAEA,UAAIC,OAAO,KAAK,CAAZ,IAAiBC,OAAO,KAAK,CAAjC,EAAoC;AAClC;AACD;;AAED,UAAIC,OAAJ,EAAa;AACX,YAAIC,MAAM,KAAK,CAAf,EAAkB;AAAE;AAClBC,uBAAa,CAACzzD,IAAd,CAAmBqzD,OAAnB;AACAI,uBAAa,CAACzzD,IAAd,CAAmBszD,OAAnB;AACD;AACF;AACF;;AACD,WAAOG,aAAP;AACD,G;;;EA9X8B31C,a;;AAiYjC,SAASw0C,oBAAT,CAA+BD,UAA/B,EAA2CqB,aAA3C,EAAmE;AACjE,SAAOrB,UAAU,IAAIA,UAAU,CAACrmB,KAAX,KAAqB0nB,aAAa,CAAC59D,IAAjD,IAAyD,EAAEu8D,UAAU,CAACrB,UAAX,IAAyBqB,UAAU,CAACjB,UAAtC,CAAhE;AACD;;AAED,SAASU,YAAT,CAAuB6B,EAAvB,EAAmCv7D,EAAnC,EAA+Cw7D,EAA/C,EAA2DC,EAA3D,EAA+E;AAC7E,SAAOrwD,IAAI,CAACC,GAAL,CAASrL,EAAT,EAAay7D,EAAb,IAAmBrwD,IAAI,CAACoX,GAAL,CAAS+4C,EAAT,EAAaC,EAAb,CAA1B;AACD;;AAEctD,8FAAf,E;;;;;;;;;;;;ACpZA;AACA;AACA;AACA;AACA;;IAEMwD,iD;;;;;AACJ,mCAAa/1C,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACElhB,iBAAK,CAACoe,cADR,EAEEpe,iBAAK,CAACqe,eAFR,EAGEre,iBAAK,CAACgf,eAHR,EAIEhf,iBAAK,CAACigB,qBAJR;AAKA,UAAKvF,MAAL,GAAc,EAAd;AACA,UAAKkC,OAAL,GAAe,CAAC,CAAhB;AACA,UAAKkN,KAAL,GAAa,IAAb;AACA,UAAKotC,OAAL,GAAe,IAAf;AAEA;;;;AAGA,UAAKxB,eAAL,GAAuB,IAAvB;AAEA;;;;;AAIA,UAAKyB,kBAAL,GAA0B,IAA1B;AApBgB;AAqBjB;;;;SAEDh5D,O,GAAA,mBAAW;AACT8iB,iBAAY,CAAC0S,SAAb,CAAuBx1B,OAAvB,CAA+B6jB,IAA/B,CAAoC,IAApC;AACD,G,CAED;;;SACAgmB,e,GAAA,yBAAiBjvC,IAAjB,EAAuB;AAAA;;AACrB,SAAK+wB,KAAL,GAAa/wB,IAAI,CAAC+wB,KAAlB;;AACA,QAAI,CAAC,KAAKA,KAAV,EAAiB;AACf;AACD;;AAED,QAAI,0CAAgB,KAAKqtC,kBAArB,CAAJ,EAA8C;AAC5C,WAAKC,aAAL,GAAqB,KAAKD,kBAA1B;AACA,WAAKA,kBAAL,GAA0B,IAA1B;AACD;;AAED,SAAKE,mBAAL,GAA2B,KAAKC,oBAAL,CAA0BpuD,IAA1B,CAA+B,IAA/B,CAA3B;AAEA,SAAKquD,mBAAL,GAA2B,EAAE,KAAKztC,KAAL,CAAWmlB,UAAX,IAAyB,cAAc,KAAKnlB,KAAL,CAAWmlB,UAApD,CAA3B;;AACA,QAAI,KAAKsoB,mBAAT,EAA8B;AAC5B,WAAKC,uBAAL,GAA+Bh2B,WAAW,CAAC,YAAM;AAC/C,cAAI,CAAC61B,mBAAL;AACD,OAFyC,EAEvC,GAFuC,CAA1C;AAGD,KAJD,MAIO;AACL,WAAKvtC,KAAL,CAAWmlB,UAAX,CAAsB93B,gBAAtB,CAAuC,QAAvC,EAAiD,KAAKkgD,mBAAtD;AACD;AACF,G;;SAED/uB,gB,GAAA,4BAAoB;AAClB,QAAI,CAAC,KAAKxe,KAAV,EAAiB;AACf;AACD;;AAED,QAAI,KAAKytC,mBAAT,EAA8B;AAC5Bl2B,mBAAa,CAAC,KAAKm2B,uBAAN,CAAb;AACD,KAFD,MAEO;AACL,WAAK1tC,KAAL,CAAWmlB,UAAX,CAAsBlW,mBAAtB,CAA0C,QAA1C,EAAoD,KAAKs+B,mBAAzD;AACD;;AAED,QAAI,0CAAgB,KAAKD,aAArB,CAAJ,EAAyC;AACvC,WAAKD,kBAAL,GAA0B,KAAKC,aAA/B;AACD;;AAED,QAAMnoB,UAAU,GAAGwoB,oBAAoB,CAAC,KAAK3tC,KAAL,CAAWmlB,UAAZ,CAAvC,CAfkB,CAgBlB;;AACAA,cAAU,CAAC19B,OAAX,CAAmB,UAAClP,KAAD,EAAW;AAC5BmsC,sBAAgB,CAACnsC,KAAD,CAAhB;AACD,KAFD,EAjBkB,CAoBlB;;AACA,SAAK+0D,aAAL,GAAqB,CAAC,CAAtB;AACA,SAAKttC,KAAL,GAAa,IAAb;AACD,G,CAED;;;SACAsiB,gB,GAAA,0BAAkBrzC,IAAlB,EAAwB;AAAA;;AACtB,QAAI2hB,MAAM,GAAG3hB,IAAI,CAACk3B,SAAL,IAAkB,EAA/B;AACA,SAAKvV,MAAL,GAAcA,MAAd;AACA,SAAKwG,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAAC8f,uBAAvB,EAAgD;AAAE43C,oBAAc,EAAEh9C;AAAlB,KAAhD,EAHsB,CAKtB;AACA;;AACAA,UAAM,CAACnJ,OAAP,CAAe,UAAAlP,KAAK,EAAI;AACtB,UAAIA,KAAK,CAAC4nB,OAAV,EAAmB;AACjB;AACA;AACA;AACA;AACA,YAAI,MAAI,CAACH,KAAT,EAAgB;AACd,gBAAI,CAACstC,aAAL,GAAqB/0D,KAAK,CAACwB,EAA3B;AACD,SAFD,MAEO;AACL,gBAAI,CAACszD,kBAAL,GAA0B90D,KAAK,CAACwB,EAAhC;AACD;AACF;AACF,KAZD;AAaD,G;;SAED8zD,qB,GAAA,+BAAuB5+D,IAAvB,EAA6B;AAAA;;AAAA,QACnB8K,EADmB,GACH9K,IADG,CACnB8K,EADmB;AAAA,QACfxD,OADe,GACHtH,IADG,CACfsH,OADe;AAAA,QAEnBuc,OAFmB,GAEC,IAFD,CAEnBA,OAFmB;AAAA,QAEVlC,MAFU,GAEC,IAFD,CAEVA,MAFU;AAG3B,QAAMo7C,YAAY,GAAGp7C,MAAM,CAACkC,OAAD,CAA3B;;AACA,QAAI/Y,EAAE,IAAI6W,MAAM,CAAC5e,MAAb,IAAuB+H,EAAE,KAAK+Y,OAA9B,IAAyC,CAACk5C,YAA1C,IAA0D,KAAKoB,OAAnE,EAA4E;AAC1E,WAAKU,iBAAL;;AACA;AACD;;AAEDz4D,oBAAM,CAACC,GAAP,qBAA6ByE,EAA7B;;AACA,QAAIxD,OAAO,CAAC+kB,IAAZ,EAAkB;AAChB,UAAMsW,cAAc,GAAGH,qBAAqB,CAACu6B,YAAY,CAACz1D,OAAd,EAAuBA,OAAvB,EAAgCtH,IAAI,CAACid,KAAL,CAAW63B,QAA3C,CAA5C;AACA1uC,sBAAM,CAACC,GAAP,0CAAkDs8B,cAAlD;AACA,WAAKoQ,KAAL,GAAalK,UAAU,CAAC,YAAM;AAC5B,cAAI,CAACi2B,iBAAL;AACD,OAFsB,EAEpBn8B,cAFoB,CAAvB;AAGD,KAND,MAMO;AACL,WAAKk8B,iBAAL;AACD;AACF,G;;SAEDl1B,S,GAAA,qBAAa;AACX,SAAKw0B,OAAL,GAAe,KAAf;;AACA,SAAKW,iBAAL;AACD,G;;SAEDl1B,Q,GAAA,oBAAY;AACV,SAAKu0B,OAAL,GAAe,IAAf;;AACA,SAAKU,iBAAL;AACD;AAED;;;SAkBAA,iB,GAAA,6BAAqB;AACnB,QAAI,KAAK9rB,KAAT,EAAgB;AACdpK,kBAAY,CAAC,KAAKoK,KAAN,CAAZ;AACA,WAAKA,KAAL,GAAa,IAAb;AACD;AACF,G;;SAED+rB,iB,GAAA,6BAAqB;AAAA,QACXj7C,OADW,GACc,IADd,CACXA,OADW;AAAA,QACFlC,MADE,GACc,IADd,CACFA,MADE;AAAA,QACMwG,GADN,GACc,IADd,CACMA,GADN;AAEnB,QAAM40C,YAAY,GAAGp7C,MAAM,CAACkC,OAAD,CAA3B;;AACA,QAAIA,OAAO,GAAG,CAAV,IAAe,CAACk5C,YAAhB,IAAiCA,YAAY,CAACz1D,OAAb,IAAwB,CAACy1D,YAAY,CAACz1D,OAAb,CAAqB+kB,IAAnF,EAA0F;AACxF;AACD;;AACDjmB,oBAAM,CAACC,GAAP,6BAAqCwd,OAArC;AACAsE,OAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAACggB,sBAAlB,EAA0C;AAAEzG,SAAG,EAAEu8C,YAAY,CAACv8C,GAApB;AAAyB1V,QAAE,EAAE+Y;AAA7B,KAA1C;AACD;AAED;;;;;;;;;SAOAk7C,iB,GAAA,2BAAmBhZ,KAAnB,EAA0B;AAAA,QAChBh1B,KADgB,GACoB,IADpB,CAChBA,KADgB;AAAA,QACT4rC,eADS,GACoB,IADpB,CACTA,eADS;AAAA,QACQ94C,OADR,GACoB,IADpB,CACQA,OADR;;AAExB,QAAI,CAACkN,KAAL,EAAY;AACV;AACD;;AAED,QAAMmlB,UAAU,GAAGwoB,oBAAoB,CAAC3tC,KAAK,CAACmlB,UAAP,CAAvC;;AACA,QAAI6P,KAAK,KAAK,CAAC,CAAf,EAAkB;AAChB,SAAGllD,KAAH,CAASooB,IAAT,CAAcitB,UAAd,EAA0B19B,OAA1B,CAAkC,UAAAlP,KAAK,EAAI;AACzCA,aAAK,CAACqtC,IAAN,GAAa,UAAb;AACD,OAFD;AAGD,KAJD,MAIO;AACL,UAAMqoB,QAAQ,GAAG9oB,UAAU,CAACryB,OAAD,CAA3B;;AACA,UAAIm7C,QAAJ,EAAc;AACZA,gBAAQ,CAACroB,IAAT,GAAgB,UAAhB;AACD;AACF;;AAED,QAAMsoB,SAAS,GAAG/oB,UAAU,CAAC6P,KAAD,CAA5B;;AACA,QAAIkZ,SAAJ,EAAe;AACbA,eAAS,CAACtoB,IAAV,GAAiBgmB,eAAe,GAAG,SAAH,GAAe,QAA/C;AACD;AACF;AAED;;;;;;;SAKAuC,yB,GAAA,mCAA2BnZ,KAA3B,EAAkC;AAAA,QACxB59B,GADwB,GACR,IADQ,CACxBA,GADwB;AAAA,QACnBxG,MADmB,GACR,IADQ,CACnBA,MADmB;;AAEhC,QAAI,CAAC,0CAAgBokC,KAAhB,CAAD,IAA2BA,KAAK,GAAG,CAAC,CAApC,IAAyCA,KAAK,IAAIpkC,MAAM,CAAC5e,MAA7D,EAAqE;AACnE;AACD;;AAED,SAAK8gB,OAAL,GAAekiC,KAAf;AACA3/C,oBAAM,CAACC,GAAP,kCAA0C0/C,KAA1C;AACA59B,OAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAAC+f,qBAAlB,EAAyC;AAAElc,QAAE,EAAEi7C;AAAN,KAAzC;;AACA,SAAK+Y,iBAAL;AACD,G;;SAEDP,oB,GAAA,gCAAwB;AACtB;AACA,QAAI,CAAC,KAAKxtC,KAAV,EAAiB;AACf;AACD;;AAED,QAAIlN,OAAO,GAAG,CAAC,CAAf;AACA,QAAIlC,MAAM,GAAG+8C,oBAAoB,CAAC,KAAK3tC,KAAL,CAAWmlB,UAAZ,CAAjC;;AACA,SAAK,IAAIprC,EAAE,GAAG,CAAd,EAAiBA,EAAE,GAAG6W,MAAM,CAAC5e,MAA7B,EAAqC+H,EAAE,EAAvC,EAA2C;AACzC,UAAI6W,MAAM,CAAC7W,EAAD,CAAN,CAAW6rC,IAAX,KAAoB,QAAxB,EAAkC;AAChC;AACA9yB,eAAO,GAAG/Y,EAAV;AACD,OAHD,MAGO,IAAI6W,MAAM,CAAC7W,EAAD,CAAN,CAAW6rC,IAAX,KAAoB,SAAxB,EAAmC;AACxC9yB,eAAO,GAAG/Y,EAAV;AACA;AACD;AACF,KAhBqB,CAkBtB;;;AACA,SAAKuzD,aAAL,GAAqBx6C,OAArB;AACD,G;;;;wBAtGqB;AACpB,aAAO,KAAKlC,MAAZ;AACD;AAED;;;;wBACqB;AACnB,aAAO,KAAKkC,OAAZ;AACD;AAED;;sBACmBs7C,e,EAAiB;AAClC,UAAI,KAAKt7C,OAAL,KAAiBs7C,eAArB,EAAsC;AACpC,aAAKJ,iBAAL,CAAuBI,eAAvB;;AACA,aAAKD,yBAAL,CAA+BC,eAA/B;AACD;AACF;;;;EAnJmCj3C,a;;AA6OtC,SAASw2C,oBAAT,CAA+BU,aAA/B,EAA8C;AAC5C,MAAIz9C,MAAM,GAAG,EAAb;;AACA,OAAK,IAAIjgB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG09D,aAAa,CAACr8D,MAAlC,EAA0CrB,CAAC,EAA3C,EAA+C;AAC7C,QAAM4H,KAAK,GAAG81D,aAAa,CAAC19D,CAAD,CAA3B,CAD6C,CAE7C;;AACA,QAAI4H,KAAK,CAAC6sC,IAAN,KAAe,WAAf,IAA8B7sC,KAAK,CAAC8sC,KAAxC,EAA+C;AAC7Cz0B,YAAM,CAACvX,IAAP,CAAYg1D,aAAa,CAAC19D,CAAD,CAAzB;AACD;AACF;;AACD,SAAOigB,MAAP;AACD;;AAEcu8C,+GAAf,E;;;;;;;;;AC/PA;;;AAIA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;wCAEwB9qC,M;IAAhB9W,sC,qCAAAA,W;AACR,IAAMuuB,wCAAa,GAAG,GAAtB,C,CAA2B;;AAEpB,IAAMw0B,mDAAb;AAAA;AAAA;AAAA;;AACE,oCAAal3C,GAAb,EAAkBwd,eAAlB,EAAmC;AAAA;;AACjC,6CAAMxd,GAAN,EACElhB,iBAAK,CAACoe,cADR,EAEEpe,iBAAK,CAACqe,eAFR,EAGEre,iBAAK,CAACC,KAHR,EAIED,iBAAK,CAAC6gB,UAJR,EAKE7gB,iBAAK,CAACsgB,WALR,EAMEtgB,iBAAK,CAAC8f,uBANR,EAOE9f,iBAAK,CAAC+f,qBAPR,EAQE/f,iBAAK,CAACigB,qBARR,EASEjgB,iBAAK,CAACkgB,uBATR,EAUElgB,iBAAK,CAACsf,aAVR;AAYA,UAAKof,eAAL,GAAuBA,eAAvB;AACA,UAAKjgC,MAAL,GAAcyiB,GAAG,CAACziB,MAAlB;AACA,UAAKiV,KAAL,GAAamuB,KAAK,CAACC,OAAnB;AACA,UAAKpnB,MAAL,GAAc,EAAd;AACA,UAAK29C,cAAL,GAAsB,EAAtB;AACA,UAAKC,cAAL,GAAsB,CAAC,CAAvB;AACA,UAAKxuD,SAAL,GAAiB,IAAIvL,oBAAJ,CAAc2iB,GAAd,EAAmBA,GAAG,CAACziB,MAAvB,CAAjB,CAnBiC,CAoBjC;;AACA,UAAK85D,WAAL,GAAmB,CAAnB;AACA,UAAKC,eAAL,GAAuB,MAAKz1B,cAAL,CAAoB75B,IAApB,yDAAvB;AAtBiC;AAuBlC;;AAxBH;;AAAA,SA0BEuvD,uBA1BF,GA0BE,iCAAyB1/D,IAAzB,EAA+B;AAAA,QACrB+W,IADqB,GACH/W,IADG,CACrB+W,IADqB;AAAA,QACf6lD,OADe,GACH58D,IADG,CACf48D,OADe;AAE7B,SAAK33B,YAAL,GAAoBluB,IAApB;AACA,SAAK4D,KAAL,GAAamuB,KAAK,CAACG,IAAnB;;AACA,QAAI,CAAC2zB,OAAL,EAAc;AACZ;AACD;;AAED,QAAM1hC,QAAQ,GAAG,KAAKokC,cAAL,CAAoB,KAAKC,cAAzB,CAAjB;;AACA,QAAI,CAACrkC,QAAL,EAAe;AACb;AACD,KAX4B,CAa7B;AACA;;;AACA,QAAIK,SAAJ;AACA,QAAMokC,SAAS,GAAG5oD,IAAI,CAAC7C,KAAvB;;AACA,SAAK,IAAIxS,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGw5B,QAAQ,CAACn4B,MAA7B,EAAqCrB,CAAC,EAAtC,EAA0C;AACxC,UAAIi+D,SAAS,IAAIzkC,QAAQ,CAACx5B,CAAD,CAAR,CAAYwS,KAAzB,IAAkCyrD,SAAS,IAAIzkC,QAAQ,CAACx5B,CAAD,CAAR,CAAYie,GAA/D,EAAoE;AAClE4b,iBAAS,GAAGL,QAAQ,CAACx5B,CAAD,CAApB;AACA;AACD;AACF;;AAED,QAAMk+D,OAAO,GAAG7oD,IAAI,CAAC7C,KAAL,GAAa6C,IAAI,CAACpM,QAAlC;;AACA,QAAI4wB,SAAJ,EAAe;AACbA,eAAS,CAAC5b,GAAV,GAAgBigD,OAAhB;AACD,KAFD,MAEO;AACLrkC,eAAS,GAAG;AACVrnB,aAAK,EAAEyrD,SADG;AAEVhgD,WAAG,EAAEigD;AAFK,OAAZ;AAIA1kC,cAAQ,CAAC9wB,IAAT,CAAcmxB,SAAd;AACD;AACF,GA5DH;;AAAA,SA8DE0T,eA9DF,GA8DE,+BAA4B;AAAA,QAATle,KAAS,QAATA,KAAS;AAC1B,SAAKA,KAAL,GAAaA,KAAb;AACAA,SAAK,CAAC3S,gBAAN,CAAuB,SAAvB,EAAkC,KAAKqhD,eAAvC;AACA,SAAK9kD,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACD,GAlEH;;AAAA,SAoEEsG,gBApEF,GAoEE,4BAAoB;AAAA;;AAClB,QAAI,CAAC,KAAKxe,KAAV,EAAiB;AACf;AACD;;AACD,SAAKA,KAAL,CAAWiP,mBAAX,CAA+B,SAA/B,EAA0C,KAAKy/B,eAA/C;AACA,SAAK95B,eAAL,CAAqB5I,kBAArB;AACA,SAAKwiC,cAAL,GAAsB,CAAC,CAAvB;AACA,SAAK59C,MAAL,CAAYnJ,OAAZ,CAAoB,UAAClP,KAAD,EAAW;AAC7B,YAAI,CAACg2D,cAAL,CAAoBh2D,KAAK,CAACwB,EAA1B,IAAgC,EAAhC;AACD,KAFD;AAGA,SAAKimB,KAAL,GAAa,IAAb;AACA,SAAKpW,KAAL,GAAamuB,KAAK,CAACC,OAAnB;AACD,GAhFH,CAkFE;AAlFF;;AAAA,SAmFE3S,OAnFF,GAmFE,iBAASp2B,IAAT,EAAe;AACb;AACA;AACA;AACA;AACA;AACA;AACA,SAAK2a,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACD,GA3FH,CA6FE;AA7FF;;AAAA,SA8FE42B,uBA9FF,GA8FE,iCAAyB7/D,IAAzB,EAA+B;AAAA;;AAC7BoG,oBAAM,CAACC,GAAP,CAAW,yBAAX;AACA,SAAKi5D,cAAL,GAAsB,EAAtB;AACA,SAAK39C,MAAL,GAAc3hB,IAAI,CAAC2+D,cAAnB;AACA,SAAKh9C,MAAL,CAAYnJ,OAAZ,CAAoB,UAAClP,KAAD,EAAW;AAC7B,YAAI,CAACg2D,cAAL,CAAoBh2D,KAAK,CAACwB,EAA1B,IAAgC,EAAhC;AACD,KAFD;AAGD,GArGH;;AAAA,SAuGEg1D,qBAvGF,GAuGE,+BAAuB9/D,IAAvB,EAA6B;AAC3B,SAAKu/D,cAAL,GAAsBv/D,IAAI,CAAC8K,EAA3B;;AAEA,QAAI,CAAC,KAAK6W,MAAN,IAAgB,CAAC,KAAKA,MAAL,CAAY5e,MAA7B,IAAuC,KAAKw8D,cAAL,KAAwB,CAAC,CAApE,EAAuE;AACrE,WAAKj3B,aAAL;AACA;AACD,KAN0B,CAQ3B;;;AACA,QAAMy0B,YAAY,GAAG,KAAKp7C,MAAL,CAAY,KAAK49C,cAAjB,CAArB;;AACA,QAAIxC,YAAY,IAAIA,YAAY,CAACz1D,OAAjC,EAA0C;AACxC,WAAKmhC,WAAL,CAAiBoC,wCAAjB;AACD;AACF,GApHH,CAsHE;AAtHF;;AAAA,SAuHE+zB,qBAvHF,GAuHE,+BAAuB5+D,IAAvB,EAA6B;AAAA,QACnB8K,EADmB,GACH9K,IADG,CACnB8K,EADmB;AAAA,QACfxD,OADe,GACHtH,IADG,CACfsH,OADe;AAAA,QAEnBi4D,cAFmB,GAEQ,IAFR,CAEnBA,cAFmB;AAAA,QAEH59C,MAFG,GAEQ,IAFR,CAEHA,MAFG;AAG3B,QAAMo7C,YAAY,GAAGp7C,MAAM,CAAC49C,cAAD,CAA3B;;AACA,QAAIz0D,EAAE,IAAI6W,MAAM,CAAC5e,MAAb,IAAuB+H,EAAE,KAAKy0D,cAA9B,IAAgD,CAACxC,YAArD,EAAmE;AACjE;AACD;;AAED,QAAIz1D,OAAO,CAAC+kB,IAAZ,EAAkB;AAChB2V,4BAAsB,CAAC+6B,YAAY,CAACz1D,OAAd,EAAuBA,OAAvB,EAAgC,KAAKk4D,WAArC,CAAtB;AACD;;AACDzC,gBAAY,CAACz1D,OAAb,GAAuBA,OAAvB;AACA,SAAKmhC,WAAL,CAAiBoC,wCAAjB;AACD,GApIH;;AAAA,SAsIEmF,WAtIF,GAsIE,uBAAe;AACb,QAAI,KAAKr1B,KAAL,KAAemuB,KAAK,CAACjhB,WAAzB,EAAsC;AACpC,WAAKlN,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACD;AACF,GA1IH;;AAAA,SA4IEvM,YA5IF,GA4IE,sBAAc18B,IAAd,EAAoB;AAClB,QAAM6pC,WAAW,GAAG,KAAKA,WAAzB;AACA,QAAMgzB,WAAW,GAAG78D,IAAI,CAAC+W,IAAL,CAAUlG,WAA9B;AACA,QAAMo/B,UAAU,GAAGjwC,IAAI,CAAC+W,IAAxB;AACA,QAAMoR,GAAG,GAAG,KAAKA,GAAjB;;AAEA,QAAI,KAAKxN,KAAL,KAAemuB,KAAK,CAAC1hB,YAArB,IACAyiB,WADA,IAEA7pC,IAAI,CAAC+W,IAAL,CAAU5P,IAAV,KAAmB,UAFnB,IAGA0iC,WAAW,CAAC/e,EAAZ,KAAmB9qB,IAAI,CAAC+W,IAAL,CAAU+T,EAHjC,EAGqC;AACnC;AACA,UAAI9qB,IAAI,CAACw5B,OAAL,CAAa/4B,UAAb,GAA0B,CAA1B,IAAgCo8D,WAAW,IAAIA,WAAW,CAAC58D,GAA3B,IAAkC48D,WAAW,CAAC5pD,MAAZ,KAAuB,SAA7F,EAAyG;AACvG,YAAI6J,SAAS,GAAGR,sCAAW,CAACD,GAAZ,EAAhB,CADuG,CAGvG;;AACA,aAAKtL,SAAL,CAAehR,OAAf,CAAuBC,IAAI,CAACw5B,OAA5B,EAAqCqjC,WAAW,CAAC58D,GAAZ,CAAgBM,MAArD,EAA6Ds8D,WAAW,CAACh9D,EAAZ,CAAeU,MAA5E,EAAoF,UAAUkR,aAAV,EAAyB;AAC3G,cAAIsL,OAAO,GAAGT,sCAAW,CAACD,GAAZ,EAAd;AACA8L,aAAG,CAACnhB,OAAJ,CAAYC,iBAAK,CAAC+V,cAAlB,EAAkC;AAAEjG,gBAAI,EAAEk5B,UAAR;AAAoBzW,mBAAO,EAAE/nB,aAA7B;AAA4CwL,iBAAK,EAAE;AAAEC,oBAAM,EAAEJ,SAAV;AAAqBK,sBAAQ,EAAEJ;AAA/B;AAAnD,WAAlC;AACD,SAHD;AAID;AACF;AACF,GAjKH;;AAAA,SAmKEojC,cAnKF,GAmKE,+BAA6B;AAAA,QAAX74C,OAAW,SAAXA,OAAW;AAC3B,QAAM86B,KAAK,GAAG96B,OAAO,CAAC8kB,SAAtB;AACA,SAAKozC,WAAL,GAAmBp9B,KAAK,CAACr/B,MAAN,GAAeq/B,KAAK,CAAC,CAAD,CAAL,CAASluB,KAAxB,GAAgC,CAAnD;AACD,GAtKH;;AAAA,SAwKE00B,MAxKF,GAwKE,kBAAU;AACR,QAAI,CAAC,KAAK7X,KAAV,EAAiB;AACf,WAAKpW,KAAL,GAAamuB,KAAK,CAACG,IAAnB;AACA;AACD;;AAED,YAAQ,KAAKtuB,KAAb;AACA,WAAKmuB,KAAK,CAACG,IAAX;AAAiB;AAAA,cACPvjC,MADO,GACoD,IADpD,CACPA,MADO;AAAA,cACC65D,cADD,GACoD,IADpD,CACCA,cADD;AAAA,cACiB55B,eADjB,GACoD,IADpD,CACiBA,eADjB;AAAA,cACkC5U,KADlC,GACoD,IADpD,CACkCA,KADlC;AAAA,cACyCpP,MADzC,GACoD,IADpD,CACyCA,MADzC;;AAEf,cAAI,CAACA,MAAD,IAAW,CAACA,MAAM,CAAC49C,cAAD,CAAlB,IAAsC,CAAC59C,MAAM,CAAC49C,cAAD,CAAN,CAAuBj4D,OAAlE,EAA2E;AACzE;AACD;;AAJc,cAMP4/B,aANO,GAMmCxhC,MANnC,CAMPwhC,aANO;AAAA,cAMQvI,sBANR,GAMmCj5B,MANnC,CAMQi5B,sBANR;AAOf,cAAMuoB,eAAe,GAAGt5C,IAAI,CAACC,GAAL,CAASnI,MAAM,CAACwmC,eAAhB,EAAiCxmC,MAAM,CAACymC,kBAAxC,CAAxB;AACA,cAAMrO,YAAY,GAAGL,YAAY,CAACK,YAAb,CAA0B,KAAKiiC,YAAL,EAA1B,EAA+ChvC,KAAK,CAAC6N,WAArD,EAAkEsI,aAAlE,CAArB;AARe,cASFzI,SATE,GAS4BX,YAT5B,CASPne,GATO;AAAA,cASc2e,SATd,GAS4BR,YAT5B,CASS7yB,GATT;AAWf,cAAM+7C,YAAY,GAAGrlC,MAAM,CAAC49C,cAAD,CAAN,CAAuBj4D,OAA5C;AACA,cAAM8kB,SAAS,GAAG46B,YAAY,CAAC56B,SAA/B;AACA,cAAMigB,OAAO,GAAGjgB,SAAS,CAACrpB,MAA1B;AACA,cAAM4c,GAAG,GAAGyM,SAAS,CAACigB,OAAO,GAAG,CAAX,CAAT,CAAuBn4B,KAAvB,GAA+BkY,SAAS,CAACigB,OAAO,GAAG,CAAX,CAAT,CAAuB1hC,QAAlE;;AAEA,cAAI2zB,SAAS,GAAG4oB,eAAhB,EAAiC;AAC/B;AACD;;AAED,cAAIK,SAAJ;AACA,cAAMtiB,YAAY,GAAG,KAAKA,YAA1B;;AACA,cAAIxG,SAAS,GAAG9e,GAAhB,EAAqB;AACnB,gBAAIslB,YAAY,IAAI+hB,YAAY,CAAC1iB,kBAAjC,EAAqD;AACnDijB,uBAAS,GAAG9iB,iBAAiB,CAACrY,SAAD,EAAY6Y,YAAY,CAAC9R,kBAAzB,EAA6CwL,sBAA7C,CAA7B;AACD;;AACD,gBAAI,CAAC4oB,SAAL,EAAgB;AACdA,uBAAS,GAAGviB,iBAAiB,CAACC,YAAD,EAAe7Y,SAAf,EAA0BqS,SAA1B,EAAqCE,sBAArC,CAA7B;AACD;;AACD,gBAAI,CAAC4oB,SAAD,IAAcP,YAAY,CAAC36B,IAA3B,IAAmC4Y,YAAnC,IAAmDA,YAAY,CAAC/wB,KAAb,GAAqBkY,SAAS,CAAC,CAAD,CAAT,CAAalY,KAAzF,EAAgG;AAC9F;;;;;;;;;;;;;;;;;;;AAsBDqzC,uBAAS,GAAGn7B,SAAS,CAAC,CAAD,CAArB;AACAhmB,8BAAM,CAACgN,IAAP,oFAA6Fm0C,SAAS,CAACrzC,KAAvG;AACA;AAEF,WAlCD,MAkCO;AACLqzC,qBAAS,GAAGn7B,SAAS,CAACigB,OAAO,GAAG,CAAX,CAArB;AACD;;AAED,cAAIkb,SAAS,IAAIA,SAAS,CAAC9a,SAA3B,EAAsC;AACpCrmC,4BAAM,CAACC,GAAP,sBAA8BkhD,SAAS,CAACz8B,EAAxC;AACA,iBAAKnQ,KAAL,GAAamuB,KAAK,CAACjhB,WAAnB;AACA,iBAAKM,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAAC4gB,WAAvB,EAAoC;AAAE9Q,kBAAI,EAAEwwC;AAAR,aAApC;AACD,WAJD,MAIO,IAAIA,SAAS,IAAI,KAAK5hB,eAAL,CAAqBlJ,QAArB,CAA8B8qB,SAA9B,MAA6CrtB,aAAa,CAACC,UAA5E,EAAwF;AAC7F;AACA,iBAAK0P,WAAL,GAAmB0d,SAAnB;AACA,iBAAK5sC,KAAL,GAAamuB,KAAK,CAAC1hB,YAAnB;AACA,iBAAKe,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACmgB,YAAvB,EAAqC;AAAErQ,kBAAI,EAAEwwC;AAAR,aAArC;AACD;AACF;AAvED;AAyED,GAvPH;;AAAA,SAyPE3d,QAzPF,GAyPE,oBAAY;AACV,SAAK41B,WAAL,GAAmB,CAAnB;;AACA,oCAAM51B,QAAN;AACD,GA5PH;;AAAA,SA8PEm2B,YA9PF,GA8PE,wBAAgB;AACd,WAAO,KAAKT,cAAL,CAAoB,KAAKC,cAAzB,KAA4C,EAAnD;AACD,GAhQH;;AAAA,SAkQEv1B,cAlQF,GAkQE,0BAAkB;AAChB,SAAK/E,YAAL,GAAoB,IAApB;AACD,GApQH;;AAAA;AAAA,EAA8CyE,2CAA9C,E;;AChBA;;;AAGO,IAAKs2B,UAAZ;;WAAYA,U;AAAAA,Y;AAAAA,Y;GAAAA,U,KAAAA,U;;AAMZ,IAAMC,2BAA2B,GAAI,YAAiC;AACpE,MAAI,OAAO7sC,MAAP,KAAkB,WAAlB,IAAiCA,MAAM,CAAClrB,SAAxC,IAAqDkrB,MAAM,CAAClrB,SAAP,CAAiB+3D,2BAA1E,EAAuG;AACrG,WAAO7sC,MAAM,CAAClrB,SAAP,CAAiB+3D,2BAAjB,CAA6C9vD,IAA7C,CAAkDijB,MAAM,CAAClrB,SAAzD,CAAP;AACD,GAFD,MAEO;AACL,WAAO,IAAP;AACD;AACF,CANmC,EAApC;;;;;;;;;;ACTA;;;;;AAMA;AACA;AACA;AAEA;AAEA;AAEA,IAAMg4D,4BAA4B,GAAG,CAArC;AAEA;;;;;;;;AAQA,IAAMC,0CAA0C,GAAG,SAA7CA,0CAA6C,CAAUC,WAAV,EAAiCC,WAAjC,EAAuF;AAAE;AAC1I,MAAMC,UAAuC,GAAG;AAC9C;AACA;AACA;AACA;AACA;AACAC,qBAAiB,EAAE,EAN2B,CAMxB;;AANwB,GAAhD;AASAF,aAAW,CAAC7nD,OAAZ,CAAoB,UAAC5P,KAAD,EAAW;AAC7B03D,cAAU,CAACC,iBAAX,CAA8Bn2D,IAA9B,CAAmC;AACjCo2D,iBAAW,2BAAwB53D,KAAxB;AADsB,KAAnC;AAGD,GAJD;AAMA,SAAO,CACL03D,UADK,CAAP;AAGD,CAnBD;AAqBA;;;;;;;;;;;;;;AAYA,IAAMG,uDAAwC,GAAG,SAA3CA,wCAA2C,CAAUC,SAAV,EAAiCN,WAAjC,EAAwDC,WAAxD,EAA8G;AAC7J,UAAQK,SAAR;AACA,SAAKV,UAAU,CAACW,QAAhB;AACE,aAAOR,0CAA0C,CAACC,WAAD,EAAcC,WAAd,CAAjD;;AACF;AACE,YAAM,IAAIp9D,KAAJ,0BAAiCy9D,SAAjC,CAAN;AAJF;AAMD,CAPD;;AAiBA;;;;;;;IAOME,4B;;;;;AAYJ;;;;AAIA,yBAAaz4C,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACElhB,iBAAK,CAACoe,cADR,EAEEpe,iBAAK,CAACse,cAFR,EAGEte,iBAAK,CAACif,eAHR;AADgB,UAfV26C,mBAeU;AAAA,UAdVC,gBAcU;AAAA,UAbVC,WAaU;AAAA,UAZVC,4BAYU;AAAA,UAVVC,OAUU;AAAA,UATVC,cASU,GAT4B,EAS5B;AAAA,UARVC,MAQU,GARwB,IAQxB;AAAA,UAPVC,gBAOU,GAPkB,KAOlB;AAAA,UANVC,2BAMU,GAN4B,CAM5B;;AAAA,UA+IVC,iBA/IU,GA+IU,UAACv7D,CAAD,EAA4B;AACtDK,sBAAM,CAACC,GAAP,iCAAwCN,CAAC,CAACw7D,YAA1C;;AAEA,YAAKC,oBAAL;;AACA,YAAKC,uCAAL,CAA6C17D,CAAC,CAACw7D,YAA/C,EAA6Dx7D,CAAC,CAAC0b,QAA/D;AACD,KApJiB;;AAMhB,UAAKw/C,OAAL,GAAe94C,GAAG,CAACziB,MAAnB;AAEA,UAAKm7D,mBAAL,GAA2B,MAAKI,OAAL,CAAaS,kBAAxC;AACA,UAAKZ,gBAAL,GAAwB,MAAKG,OAAL,CAAaU,eAArC;AACA,UAAKZ,WAAL,GAAmB,MAAKE,OAAL,CAAaW,UAAhC;AACA,UAAKZ,4BAAL,GAAoC,MAAKC,OAAL,CAAaY,+BAAjD;AAXgB;AAYjB;AAED;;;;;;;;;SAKAC,mB,GAAA,6BAAqBpB,SAArB,EAAoD;AAClD,YAAQA,SAAR;AACA,WAAKV,UAAU,CAACW,QAAhB;AACE,YAAI,CAAC,KAAKE,mBAAV,EAA+B;AAC7B;AACD;;AACD,eAAO,KAAKA,mBAAZ;AALF;;AAQA,UAAM,IAAI59D,KAAJ,wDAA8Dy9D,SAA9D,QAAN;AACD;AAED;;;;;;;;;;SAQQqB,uB,GAAR,iCAAiCrB,SAAjC,EAAwDN,WAAxD,EAA+EC,WAA/E,EAAsG;AAAA;;AACpG;AAEA;AACA,QAAM2B,qBAAqB,GAAGvB,uDAAwC,CAACC,SAAD,EAAYN,WAAZ,EAAyBC,WAAzB,CAAtE;AAEAj6D,oBAAM,CAACC,GAAP,CAAW,8CAAX,EANoG,CAQpG;;AACA,SAAK45D,2BAAL,CAAiCS,SAAjC,EAA4CsB,qBAA5C,EACGx7D,IADH,CACQ,UAACy7D,oBAAD,EAA0B;AAC9B,YAAI,CAACC,+BAAL,CAAqCxB,SAArC,EAAgDuB,oBAAhD;AACD,KAHH,EAIGv7D,KAJH,CAIS,UAACC,GAAD,EAAS;AACdP,sBAAM,CAACU,KAAP,oCAA6C45D,SAA7C,iBAAmE/5D,GAAnE;AACD,KANH;AAOD,G;;AAUD;;;;;;SAMQu7D,+B,GAAR,yCAAyCxB,SAAzC,EAAgEuB,oBAAhE,EAA4G;AAAA;;AAC1G77D,oBAAM,CAACC,GAAP,8BAAqCq6D,SAArC;AAEA,QAAMyB,iBAAoC,GAAG;AAC3CC,iCAA2B,EAAE,KADc;AAE3CH,0BAAoB,EAAEA,oBAFqB;AAG3CI,0BAAoB,EAAE3B;AAHqB,KAA7C;;AAMA,SAAKQ,cAAL,CAAoB92D,IAApB,CAAyB+3D,iBAAzB;;AAEAF,wBAAoB,CAACK,eAArB,GACG97D,IADH,CACQ,UAAC+7D,SAAD,EAAe;AACnBJ,uBAAiB,CAACI,SAAlB,GAA8BA,SAA9B;AAEAn8D,sBAAM,CAACC,GAAP,0CAAiDq6D,SAAjD;;AAEA,YAAI,CAAC8B,mBAAL;AACD,KAPH,EAQG97D,KARH,CAQS,UAACC,GAAD,EAAS;AACdP,sBAAM,CAACU,KAAP,CAAa,8BAAb,EAA6CH,GAA7C;AACD,KAVH;AAWD;AAED;;;;;;;;SAMQ67D,mB,GAAR,+BAA+B;AAAA;;AAC7B;AACA,SAAKtB,cAAL,CAAoB1oD,OAApB,CAA4B,UAAC2pD,iBAAD,EAAuB;AACjD,UAAI,CAACA,iBAAiB,CAACM,gBAAvB,EAAyC;AACvC;AACAN,yBAAiB,CAACM,gBAAlB,GAAqCN,iBAAiB,CAACI,SAAlB,CAA6BG,aAA7B,EAArC;;AACA,cAAI,CAACC,qBAAL,CAA2BR,iBAAiB,CAACM,gBAA7C;AACD;AACF,KAND;AAOD;AAED;;;;;;SAIQE,qB,GAAR,+BAA+BC,UAA/B,EAA4D;AAAA;;AAC1Dx8D,oBAAM,CAACC,GAAP,6BAAqCu8D,UAAU,CAACC,SAAhD;AAEAD,cAAU,CAACxkD,gBAAX,CAA4B,SAA5B,EAAuC,UAACP,KAAD,EAAiC;AACtE,YAAI,CAACilD,oBAAL,CAA0BF,UAA1B,EAAsC/kD,KAAK,CAAC9W,OAA5C;AACD,KAFD,EAEG,KAFH;AAGD;AAED;;;;;;;SAKQ+7D,oB,GAAR,8BAA8BF,UAA9B,EAA2D77D,OAA3D,EAAiF;AAC/EX,oBAAM,CAACC,GAAP,CAAW,iDAAX;;AAEA,SAAK08D,eAAL,CAAqBh8D,OAArB,EAA8B,UAAC/G,IAAD,EAAuB;AACnDoG,sBAAM,CAACC,GAAP,sCAA6CrG,IAAI,GAAGA,IAAI,CAACS,UAAR,GAAqBT,IAAtE;AACA4iE,gBAAU,CAACI,MAAX,CAAkBhjE,IAAlB;AACD,KAHD;AAID;AAED;;;;;;;AAYA;;;SAGQwhE,oB,GAAR,gCAAgC;AAC9B,QAAI,CAAC,KAAKL,MAAV,EAAkB;AAChB,YAAM,IAAIl+D,KAAJ,CAAU,oEAAV,CAAN;AACD;;AAED,QAAI,CAAC,KAAKm+D,gBAAV,EAA4B;AAC1B;AACA,UAAM6B,YAAY,GAAG,KAAK/B,cAAL,CAAoB,CAApB,CAArB;;AACA,UAAI,CAAC+B,YAAD,IAAiB,CAACA,YAAY,CAACV,SAAnC,EAA8C;AAC5Cn8D,wBAAM,CAACU,KAAP,CAAa,+EAAb;AACA,aAAKqhB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,cAAI,EAAEC,oBAAU,CAAC87D,gBADW;AAE5B57D,iBAAO,EAAEC,sBAAY,CAAC47D,kBAFM;AAG5B17D,eAAK,EAAE;AAHqB,SAA9B;AAKA;AACD;;AAEDrB,sBAAM,CAACC,GAAP,CAAW,kCAAX;;AAEA,WAAK86D,MAAL,CAAYiC,YAAZ,CAAyBH,YAAY,CAACV,SAAtC;;AACA,WAAKnB,gBAAL,GAAwB,IAAxB;AACD;AACF;AAED;;;;;SAGQK,uC,GAAR,iDAAiDF,YAAjD,EAAuE9/C,QAAvE,EAAqG;AAAA;;AACnG;AACA,QAAMwhD,YAAY,GAAG,KAAK/B,cAAL,CAAoB,CAApB,CAArB;;AACA,QAAI,CAAC+B,YAAL,EAAmB;AACjB78D,sBAAM,CAACU,KAAP,CAAa,+EAAb;AACA,WAAKqhB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,YAAI,EAAEC,oBAAU,CAAC87D,gBADW;AAE5B57D,eAAO,EAAEC,sBAAY,CAAC87D,oBAFM;AAG5B57D,aAAK,EAAE;AAHqB,OAA9B;AAKA;AACD;;AAED,QAAIw7D,YAAY,CAACb,2BAAjB,EAA8C;AAC5Ch8D,sBAAM,CAACgN,IAAP,CAAY,qDAAZ;AACA;AACD;;AAED,QAAMwvD,UAAU,GAAGK,YAAY,CAACR,gBAAhC;;AACA,QAAI,CAACG,UAAL,EAAiB;AACfx8D,sBAAM,CAACU,KAAP,CAAa,uDAAb;AACA,WAAKqhB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,YAAI,EAAEC,oBAAU,CAAC87D,gBADW;AAE5B57D,eAAO,EAAEC,sBAAY,CAAC+7D,qBAFM;AAG5B77D,aAAK,EAAE;AAHqB,OAA9B;AAKA;AACD,KA3BkG,CA6BnG;;;AACA,QAAI,CAACga,QAAL,EAAe;AACbrb,sBAAM,CAACgN,IAAP,CAAY,+DAAZ;AACA,WAAK+U,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,YAAI,EAAEC,oBAAU,CAAC87D,gBADW;AAE5B57D,eAAO,EAAEC,sBAAY,CAACg8D,uBAFM;AAG5B97D,aAAK,EAAE;AAHqB,OAA9B;AAKA;AACD;;AAEDrB,oBAAM,CAACC,GAAP,2CAAkDk7D,YAAlD;AACA0B,gBAAY,CAACb,2BAAb,GAA2C,IAA3C;AAEAQ,cAAU,CAACY,eAAX,CAA2BjC,YAA3B,EAAyC9/C,QAAzC,EACGjb,IADH,CACQ,YAAM;AACVJ,sBAAM,CAAC6R,KAAP,CAAa,kCAAb;AACD,KAHH,EAIGvR,KAJH,CAIS,UAACC,GAAD,EAAS;AACdP,sBAAM,CAACU,KAAP,CAAa,uCAAb,EAAsDH,GAAtD;;AACA,YAAI,CAACwhB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,YAAI,EAAEC,oBAAU,CAAC87D,gBADW;AAE5B57D,eAAO,EAAEC,sBAAY,CAAC+7D,qBAFM;AAG5B77D,aAAK,EAAE;AAHqB,OAA9B;AAKD,KAXH;AAYD;AAED;;;;;;;;;;SAQQg8D,iB,GAAR,2BAA2BjjD,GAA3B,EAAwCkjD,UAAxC,EAAiEv9D,QAAjE,EAAwH;AACtH,QAAMs+C,GAAG,GAAG,IAAIR,cAAJ,EAAZ;AACA,QAAM0d,eAAe,GAAG,KAAKb,gBAA7B;;AAEA,QAAI;AACF,UAAIa,eAAJ,EAAqB;AACnB,YAAI;AACFA,yBAAe,CAACld,GAAD,EAAMjkC,GAAN,CAAf;AACD,SAFD,CAEE,OAAOza,CAAP,EAAU;AACV;AACA0+C,aAAG,CAACC,IAAJ,CAAS,MAAT,EAAiBlkC,GAAjB,EAAsB,IAAtB;AACAmhD,yBAAe,CAACld,GAAD,EAAMjkC,GAAN,CAAf;AACD;AACF,OATC,CAUF;;;AACA,UAAI,CAACikC,GAAG,CAACzX,UAAT,EAAqB;AACnByX,WAAG,CAACC,IAAJ,CAAS,MAAT,EAAiBlkC,GAAjB,EAAsB,IAAtB;AACD;AACF,KAdD,CAcE,OAAOza,CAAP,EAAU;AACV;AACA,YAAM,IAAI9C,KAAJ,6CAAoD8C,CAApD,CAAN;AACD,KArBqH,CAuBtH;;;AACA0+C,OAAG,CAAC7vB,YAAJ,GAAmB,aAAnB;AACA6vB,OAAG,CAACI,kBAAJ,GACI,KAAK8e,iCAAL,CAAuCxzD,IAAvC,CAA4C,IAA5C,EAAkDs0C,GAAlD,EAAuDjkC,GAAvD,EAA4DkjD,UAA5D,EAAwEv9D,QAAxE,CADJ;AAEA,WAAOs+C,GAAP;AACD;AAED;;;;;;;;;SAOQkf,iC,GAAR,2CAA2Clf,GAA3C,EAAgEjkC,GAAhE,EAA6EkjD,UAA7E,EAAsGv9D,QAAtG,EAA6I;AAC3I,YAAQs+C,GAAG,CAACzX,UAAZ;AACA,WAAK,CAAL;AACE,YAAIyX,GAAG,CAACE,MAAJ,KAAe,GAAnB,EAAwB;AACtB,eAAK0c,2BAAL,GAAmC,CAAnC;AACAj7D,0BAAM,CAACC,GAAP,CAAW,2BAAX;;AAEA,cAAIo+C,GAAG,CAAC7vB,YAAJ,KAAqB,aAAzB,EAAwC;AACtCxuB,4BAAM,CAACgN,IAAP,CAAY,+EAAZ;AACD;;AACDjN,kBAAQ,CAACs+C,GAAG,CAAC1wB,QAAL,CAAR;AACD,SARD,MAQO;AACL3tB,0BAAM,CAACU,KAAP,kCAA4C0Z,GAA5C,mBAA6DikC,GAAG,CAACE,MAAjE,UAA4EF,GAAG,CAACW,UAAhF;AACA,eAAKic,2BAAL;;AACA,cAAI,KAAKA,2BAAL,GAAmCnB,4BAAvC,EAAqE;AACnE,iBAAK/3C,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,kBAAI,EAAEC,oBAAU,CAAC87D,gBADW;AAE5B57D,qBAAO,EAAEC,sBAAY,CAACq8D,iCAFM;AAG5Bn8D,mBAAK,EAAE;AAHqB,aAA9B;AAKA;AACD;;AAED,cAAMo8D,YAAY,GAAG3D,4BAA4B,GAAG,KAAKmB,2BAApC,GAAkE,CAAvF;AACAj7D,0BAAM,CAACgN,IAAP,gCAAyCywD,YAAzC;;AACA,eAAKd,eAAL,CAAqBW,UAArB,EAAiCv9D,QAAjC;AACD;;AACD;AA1BF;AA4BD;AAED;;;;;;;;;SAOQ29D,gC,GAAR,0CAA0Cb,YAA1C,EAA2ES,UAA3E,EAAiH;AAC/G,YAAQT,YAAY,CAACZ,oBAArB;AACA;AACA;;AACA;;;;;;;;;;;;;;;;;;;;AAoBA,WAAKrC,UAAU,CAACW,QAAhB;AACE;AACA,eAAO+C,UAAP;AAzBF;;AA4BA,UAAM,IAAIzgE,KAAJ,8BAAqCggE,YAAY,CAACZ,oBAAlD,CAAN;AACD;AAED;;;;;;;SAKQU,e,GAAR,yBAAyBW,UAAzB,EAAkDv9D,QAAlD,EAAyF;AACvFC,oBAAM,CAACC,GAAP,CAAW,2CAAX;AAEA,QAAM48D,YAAY,GAAG,KAAK/B,cAAL,CAAoB,CAApB,CAArB;;AACA,QAAI,CAAC+B,YAAL,EAAmB;AACjB78D,sBAAM,CAACU,KAAP,CAAa,gFAAb;AACA,WAAKqhB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,YAAI,EAAEC,oBAAU,CAAC87D,gBADW;AAE5B57D,eAAO,EAAEC,sBAAY,CAAC87D,oBAFM;AAG5B57D,aAAK,EAAE;AAHqB,OAA9B;AAKA;AACD;;AAED,QAAI;AACF,UAAM+Y,IAAG,GAAG,KAAKshD,mBAAL,CAAyBmB,YAAY,CAACZ,oBAAtC,CAAZ;;AACA,UAAM5d,IAAG,GAAG,KAAKgf,iBAAL,CAAuBjjD,IAAvB,EAA4BkjD,UAA5B,EAAwCv9D,QAAxC,CAAZ;;AACAC,sBAAM,CAACC,GAAP,sCAA8Cma,IAA9C;;AACA,UAAMujD,SAAS,GAAG,KAAKD,gCAAL,CAAsCb,YAAtC,EAAoDS,UAApD,CAAlB;;AACAjf,UAAG,CAACO,IAAJ,CAAS+e,SAAT;AACD,KAND,CAME,OAAOh+D,CAAP,EAAU;AACVK,sBAAM,CAACU,KAAP,sCAAgDf,CAAhD;AACA,WAAKoiB,GAAL,CAASnhB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,YAAI,EAAEC,oBAAU,CAAC87D,gBADW;AAE5B57D,eAAO,EAAEC,sBAAY,CAACq8D,iCAFM;AAG5Bn8D,aAAK,EAAE;AAHqB,OAA9B;AAKD;AACF,G;;SAEDwnC,e,GAAA,yBAAiBjvC,IAAjB,EAAqD;AACnD,QAAI,CAAC,KAAK+gE,WAAV,EAAuB;AACrB;AACD;;AAED,QAAMhwC,KAAK,GAAG/wB,IAAI,CAAC+wB,KAAnB,CALmD,CAOnD;;AACA,SAAKowC,MAAL,GAAcpwC,KAAd;AAEAA,SAAK,CAAC3S,gBAAN,CAAuB,WAAvB,EAAoC,KAAKkjD,iBAAzC;AACD,G;;SAED0C,e,GAAA,2BAAmB;AACjB,QAAI,KAAK7C,MAAT,EAAiB;AACf,WAAKA,MAAL,CAAYnhC,mBAAZ,CAAgC,WAAhC,EAA6C,KAAKshC,iBAAlD;;AACA,WAAKH,MAAL,GAAc,IAAd,CAFe,CAEK;AACrB;AACF,G,CAED;;;SACA3xB,gB,GAAA,0BAAkBxvC,IAAlB,EAA6B;AAC3B,QAAI,CAAC,KAAK+gE,WAAV,EAAuB;AACrB;AACD;;AAED,QAAMX,WAAW,GAAGpgE,IAAI,CAACgwB,MAAL,CAAYzL,GAAZ,CAAgB,UAACyG,KAAD;AAAA,aAAWA,KAAK,CAACpjB,UAAjB;AAAA,KAAhB,CAApB;AACA,QAAMy4D,WAAW,GAAGrgE,IAAI,CAACgwB,MAAL,CAAYzL,GAAZ,CAAgB,UAACyG,KAAD;AAAA,aAAWA,KAAK,CAACtgB,UAAjB;AAAA,KAAhB,CAApB;;AAEA,SAAKq3D,uBAAL,CAA6B/B,UAAU,CAACW,QAAxC,EAAkDP,WAAlD,EAA+DC,WAA/D;AACD,G;;;;wBAzWkC;AACjC,UAAI,CAAC,KAAKW,4BAAV,EAAwC;AACtC,cAAM,IAAI/9D,KAAJ,CAAU,oDAAV,CAAN;AACD;;AAED,aAAO,KAAK+9D,4BAAZ;AACD;;;;EA/EyB94C,a;;AAqbb04C,+EAAf,E;;;;;;ACtgBA;;;AAIA;AACA;AACA;AACA;CAEA;;AAEA;AACA;AAEA;AACA;AACA;AACA;AACA;AACA;AAgJA;AACA;AAEO,IAAMqD,gBAA2B;AACtC30B,eAAa,EAAE,IADuB;AACjB;AACrB/E,eAAa,EAAE,CAAC,CAFsB;AAEnB;AACnB+H,mBAAiB,EAAE,KAAK,CAHc;AAGX;AAC3Br6B,OAAK,EAAE,KAJ+B;AAIxB;AACd2qC,mBAAiB,EAAE,KALmB;AAKZ;AAC1B3B,sBAAoB,EAAE,KANgB;AAMT;AAC7B3U,yBAAuB,EAAE,CAPa;AAOV;AAC5BJ,iBAAe,EAAE,EARqB;AAQjB;AACrBD,eAAa,EAAE,KAAK,IAAL,GAAY,IATW;AASL;AACjC/E,eAAa,EAAE,GAVuB;AAUlB;AAEpBg9B,yBAAuB,EAAE,GAZa;AAYR;AAC9B38B,0BAAwB,EAAE,CAbY;AAaT;AAC7BM,aAAW,EAAE,GAdyB;AAcpB;AAClBD,eAAa,EAAE,CAfuB;AAepB;AAClBjJ,wBAAsB,EAAE,IAhBc;AAgBR;AAC9BiM,uBAAqB,EAAE,CAjBe;AAiBZ;AAC1BkC,6BAA2B,EAAEtf,QAlBS;AAkBC;AACvCmd,kBAAgB,EAAE,KAAK,CAnBe;AAmBZ;AAC1BkC,wBAAsB,EAAE,KAAK,CApBS;AAoBN;AAChCuT,sBAAoB,EAAE,KArBgB;AAqBT;AAC7BN,sBAAoB,EAAEtyB,QAtBgB;AAsBN;AAChC2e,oBAAkB,EAAE,GAvBkB;AAuBb;AACzBjN,cAAY,EAAE,IAxBwB;AAwBlB;AACpBh5B,mBAAiB,EAAE,IAzBmB;AAyBb;AACzBuvB,wBAAsB,EAAE,KA1Bc;AA0BP;AAC/BD,yBAAuB,EAAE,CA3Ba;AA2BV;AAC5BE,2BAAyB,EAAE,IA5BW;AA4BL;AACjCC,gCAA8B,EAAE,KA7BM;AA6BC;AACvC0V,YAAU,EAAE,KAAK,CA9BqB;AA8BlB;AACpBzV,qBAAmB,EAAE,KA/BiB;AA+BV;AAC5BC,sBAAoB,EAAE,CAhCgB;AAgCb;AACzBC,wBAAsB,EAAE,IAjCc;AAiCR;AAC9BC,6BAA2B,EAAE,KAlCS;AAkCF;AACpCqD,oBAAkB,EAAE,KAnCkB;AAmCX;AAC3ByY,qBAAmB,EAAE,CApCiB;AAoCd;AACxB9X,uBAAqB,EAAE,IArCe;AAqCT;AAC7BV,4BAA0B,EAAE,KAtCU;AAsCH;AACnCwS,mBAAiB,EAAE,KAvCmB;AAuCZ;AAC1BkX,4BAA0B,EAAE,IAxCU;AAwCJ;AAClCY,+BAA6B,EAAE,GAzCO;AAyCF;AACpCnD,qBAAmB,EAAE,CA1CiB;AA0Cd;AACxBt1B,QAAM,EAAEg5B,UA3C8B;AA4CtC;AACAnrB,SAAO,EAAE,KAAK,CA7CwB;AA6CrB;AACjB7E,SAAO,EAAE,KAAK,CA9CwB;AA8CrB;AACjBiwB,UAAQ,EAAE,KAAK,CA/CuB;AA+CpB;AAClBwd,iBAAe,EAAE,KAAK,CAhDgB;AAgDb;AACzB;AACAwC,eAAa,EAAEhrB,cAlDuB;AAmDtCirB,kBAAgB,EAAE9nB,iBAnDoB;AAoDtC+nB,oBAAkB,EAAEvjB,oBApDkB;AAqDtCwjB,eAAa,EAAE5hB,cArDuB;AAsDtC6hB,wBAAsB,EAAE,KAtDc;AAsDP;AAC/BC,qBAAmB,EAAE,CAvDiB;AAuDd;AACxBzsD,8BAA4B,EAAE,IAxDQ;AAwDF;AACpC6hC,iBAAe,EAAE,CAzDqB;AAyDlB;AACpBC,iBAAe,EAAE,CA1DqB;AA0DlB;AACpBC,gBAAc,EAAE,CA3DsB;AA2DnB;AACnBC,gBAAc,EAAE,CA5DsB;AA4DnB;AACnBC,wBAAsB,EAAE,GA7Dc;AA6DT;AAC7BkC,oBAAkB,EAAE,IA9DkB;AA8DZ;AAC1BC,sBAAoB,EAAE,GA/DgB;AA+DX;AAC3BvB,uBAAqB,EAAE,KAhEe;AAgER;AAC9BwB,oBAAkB,EAAE,CAjEkB;AAiEf;AACvBC,iBAAe,EAAE,CAlEqB;AAkElB;AACpBooB,gBAAc,EAAE,CAnEsB;AAmEnB;AACnB7C,YAAU,EAAE,KApE0B;AAoEnB;AACnBF,oBAAkB,EAAE,KAAK,CArEa;AAqEV;AAC5BG,iCAA+B,EAAE5B,2BAA2BA;AAtEtB,GAyEnCyE,cAAc,EAzEqB;AA0EtCC,0BAAwB,EAAGC,KAAD,GAAsBvF,mDAAtB,GAAiD,SA1ErC;AA2EtCwF,yBAAuB,EAAGD,KAAD,GAAsB1G,yBAAtB,GAAgD,SA3EnC;AA4EtChG,oBAAkB,EAAG0M,KAAD,GAAsBlK,mBAAtB,GAA2C,SA5EzB;AA6EtCoK,uBAAqB,EAAGC,KAAD,GAAsBpe,uBAAtB,GAA8C,SA7E/B;AA8EtCqe,sBAAoB,EAAGD,KAAD,GAAsBzf,sBAAtB,GAA6C,SA9E7B;AA+EtC2f,eAAa,EAAGC,KAAD,GAAoBtE,cAApB,GAAoC,SAAM;AA/EnB,EAAjC;;AAkFP,SAAS8D,cAAT,GAAqD;AACnD,MAAI,KAAJ,EAAwB,EAIvB;;AACD,SAAO;AACLvJ,cAAU,EAAEP,oBADP;AACa;AAClBe,wBAAoB,EAAE,IAFjB;AAEuB;AAC5BY,gBAAY,EAAE,IAHT;AAGe;AACpBlB,2BAAuB,EAAE,SAJpB;AAI+B;AACpCE,kCAA8B,EAAE,IAL3B;AAKiC;AACtCE,2BAAuB,EAAE,SANpB;AAM+B;AACpCC,kCAA8B,EAAE,IAP3B,CAOgC;;AAPhC,GAAP;AASD,C;;;;;;;;;;;;;;;ACvQD;AAEA;AAKA;AACA;AACA;AAEA;AACA;AACA;AACA;AAEA;AACA;AACA;AAEA;AAEA;AAEA;;;;;;IAKqByJ,O;;;;;AAwBnB;;;MAGOluB,W,GAAP,uBAA+B;AAC7B,WAAOA,wBAAW,EAAlB;AACD;AAED;;;;;;;;AAdA;;;wBAG8B;AAC5B,aAAOmuB,SAAP;AACD;;;wBAYoB;AACnB,aAAOjgD,iBAAP;AACD;AAED;;;;;;wBAGyB;AACvB,aAAO/d,oBAAP;AACD;AAED;;;;;;wBAG2B;AACzB,aAAOG,sBAAP;AACD;AAED;;;;;;wBAGuC;AACrC,UAAI,CAAC49D,GAAG,CAACE,aAAT,EAAwB;AACtB,eAAOpB,gBAAP;AACD;;AAED,aAAOkB,GAAG,CAACE,aAAX;AACD;AAED;;;;sBAG0BA,a,EAA0B;AAClDF,SAAG,CAACE,aAAJ,GAAoBA,aAApB;AACD;AAED;;;;;;;;;AAMA,eAAaC,UAAb,EAAkD;AAAA;;AAAA,QAArCA,UAAqC;AAArCA,gBAAqC,GAAJ,EAAI;AAAA;;AAChD;AADgD,UA1E3C5/D,MA0E2C;AAAA,UAxE1C6/D,iBAwE0C;AAAA,UAvE1CpB,aAuE0C;AAAA,UAtE1CE,kBAsE0C;AAAA,UArE1CmB,eAqE0C;AAAA,UApE1C5jB,gBAoE0C;AAAA,UAnE1C6jB,kBAmE0C;AAAA,UAlE1CT,oBAkE0C;AAAA,UAjE1CH,uBAiE0C;AAAA,UAhE1CI,aAgE0C;AAAA,UA/D1CS,cA+D0C;AAAA,UA9D1C30C,KA8D0C,GA9DT,IA8DS;AAAA,UA7D1CvQ,GA6D0C,GA7DrB,IA6DqB;AAGhD,QAAM6kD,aAAa,GAAGF,GAAG,CAACQ,aAA1B;;AAEA,QAAI,CAACL,UAAU,CAAC16B,qBAAX,IAAoC06B,UAAU,CAACx4B,2BAAhD,MAAiFw4B,UAAU,CAAC36B,gBAAX,IAA+B26B,UAAU,CAACz4B,sBAA3H,CAAJ,EAAwJ;AACtJ,YAAM,IAAI5pC,KAAJ,CAAU,oIAAV,CAAN;AACD,KAP+C,CAShD;;;AACA,UAAKyC,MAAL,wBACK2/D,aADL,EAEKC,UAFL;;AAVgD;AAAA,QAexC5/D,MAfwC,yBAexCA,MAfwC;;AAiBhD,QAAIA,MAAM,CAAConC,2BAAP,KAAuC,KAAK,CAA5C,IAAiDpnC,MAAM,CAAConC,2BAAP,IAAsCpnC,MAAM,CAACklC,qBAAlG,EAAyH;AACvH,YAAM,IAAI3nC,KAAJ,CAAU,yFAAV,CAAN;AACD;;AAED,QAAIyC,MAAM,CAACmnC,sBAAP,KAAkC,KAAK,CAAvC,KAA6CnnC,MAAM,CAACilC,gBAAP,KAA4B,KAAK,CAAjC,IAAsCjlC,MAAM,CAACmnC,sBAAP,IAAiCnnC,MAAM,CAACilC,gBAA3H,CAAJ,EAAkJ;AAChJ,YAAM,IAAI1nC,KAAJ,CAAU,+EAAV,CAAN;AACD;;AAEDub,gCAAU,CAAC9Y,MAAM,CAACuS,KAAR,CAAV;AAEA,UAAKstD,iBAAL,GAAyB,CAAC,CAA1B,CA3BgD,CA6BhD;;AAEA;;;;AAGA,QAAMpB,aAAa,GAAG,MAAKA,aAAL,GAAqB,IAAIz+D,MAAM,CAACy+D,aAAX,kCAA3C,CAlCgD,CAkC2B;;AAC3E,QAAMC,gBAAgB,GAAG,IAAI1+D,MAAM,CAAC0+D,gBAAX,kCAAzB,CAnCgD,CAmCY;;AAC5D,QAAMC,kBAAkB,GAAG,MAAKA,kBAAL,GAA0B,IAAI3+D,MAAM,CAAC2+D,kBAAX,kCAArD,CApCgD,CAoC0C;;AAC1F,QAAMC,aAAa,GAAG,IAAI5+D,MAAM,CAAC4+D,aAAX,kCAAtB,CArCgD,CAqCM;;AACtD,QAAMsB,cAAc,GAAG,IAAIvyC,eAAJ,kCAAvB;AACA,QAAMwyC,cAAc,GAAG,IAAIltC,eAAJ,kCAAvB;AACA,QAAMmtC,SAAS,GAAG,IAAInsC,UAAJ,kCAAlB;AACA,QAAMosC,kBAAkB,GAAG,IAAI/vB,oBAAJ,kCAA3B,CAzCgD,CA2ChD;;AAEA;;;;AAGA,QAAMwvB,eAAe,GAAG,MAAKA,eAAL,GAAuB,IAAI7yB,gCAAJ,kCAA/C,CAhDgD,CAkDhD;;AACA,QAAMhN,eAAe,GAAG,IAAIpL,gCAAJ,kCAAxB;AAEA;;;;AAGA,QAAMqnB,gBAAgB,GAAG,MAAKA,gBAAL,GAAwB,IAAI9W,iBAAJ,mCAA2BnF,eAA3B,CAAjD;AAEA,QAAI8/B,kBAAkB,GAAG,CAACD,eAAD,EAAkB5jB,gBAAlB,CAAzB,CA1DgD,CA4DhD;;AACA;;;;AAGA,QAAIokB,UAAU,GAAGtgE,MAAM,CAACo/D,qBAAxB;;AACA,QAAIkB,UAAJ,EAAgB;AACdP,wBAAkB,CAACr7D,IAAnB,CAAwB,IAAI47D,UAAJ,mCAAqBrgC,eAArB,CAAxB;AACD;AAED;;;;;AAGA,UAAK8/B,kBAAL,GAA0BA,kBAA1B;AAEA;;;;AAGA,QAAMC,cAAc,GAAG,CACrBE,cADqB,EAErBC,cAFqB,EAGrBC,SAHqB,EAIrB3B,aAJqB,EAKrBC,gBALqB,EAMrBC,kBANqB,EAOrBC,aAPqB,EAQrByB,kBARqB,EASrBpgC,eATqB,CAAvB,CA7EgD,CAyFhD;;AACAqgC,cAAU,GAAGtgE,MAAM,CAACs/D,oBAApB;;AACA,QAAIgB,UAAJ,EAAgB;AACd,UAAMhB,oBAAoB,GAAG,IAAIgB,UAAJ,kCAA7B;AAEA;;;;AAGA,YAAKhB,oBAAL,GAA4BA,oBAA5B;AACAU,oBAAc,CAACt7D,IAAf,CAAoB46D,oBAApB;AACD;;AAEDgB,cAAU,GAAGtgE,MAAM,CAACm/D,uBAApB;;AACA,QAAImB,UAAJ,EAAgB;AACd,UAAMnB,uBAAuB,GAAG,IAAImB,UAAJ,kCAAhC;AAEA;;;;AAGA,YAAKnB,uBAAL,GAA+BA,uBAA/B;AACAY,wBAAkB,CAACr7D,IAAnB,CAAwBy6D,uBAAxB;AACD;;AAEDmB,cAAU,GAAGtgE,MAAM,CAACu/D,aAApB;;AACA,QAAIe,UAAJ,EAAgB;AACd,UAAMf,aAAa,GAAG,IAAIe,UAAJ,kCAAtB;AAEA;;;;AAGA,YAAKf,aAAL,GAAqBA,aAArB;AACAS,oBAAc,CAACt7D,IAAf,CAAoB66D,aAApB;AACD,KAzH+C,CA2HhD;;;AACAe,cAAU,GAAGtgE,MAAM,CAACi/D,wBAApB;;AACA,QAAIqB,UAAJ,EAAgB;AACdP,wBAAkB,CAACr7D,IAAnB,CAAwB,IAAI47D,UAAJ,mCAAqBrgC,eAArB,CAAxB;AACD;;AACDqgC,cAAU,GAAGtgE,MAAM,CAACwyD,kBAApB;;AACA,QAAI8N,UAAJ,EAAgB;AACdN,oBAAc,CAACt7D,IAAf,CAAoB,IAAI47D,UAAJ,kCAApB;AACD;AAED;;;;;AAGA,UAAKN,cAAL,GAAsBA,cAAtB;AAxIgD;AAyIjD;AAED;;;;;;;SAGAtgE,O,GAAA,mBAAW;AACTgB,oBAAM,CAACC,GAAP,CAAW,SAAX;AACA,SAAKW,OAAL,CAAame,iBAAS,CAACyC,UAAvB;AACA,SAAKq+C,WAAL;AACA,SAAKP,cAAL,CAAoBljD,MAApB,CAA2B,KAAKijD,kBAAhC,EAAoDjtD,OAApD,CAA4D,UAAA0tD,SAAS,EAAI;AACvEA,eAAS,CAAC9gE,OAAV;AACD,KAFD;AAGA,SAAKob,GAAL,GAAW,IAAX;AACA,SAAK0f,kBAAL;AACA,SAAKqlC,iBAAL,GAAyB,CAAC,CAA1B;AACD;AAED;;;;;;SAIAY,W,GAAA,qBAAap1C,KAAb,EAAsC;AACpC3qB,oBAAM,CAACC,GAAP,CAAW,aAAX;AACA,SAAK0qB,KAAL,GAAaA,KAAb;AACA,SAAK/pB,OAAL,CAAame,iBAAS,CAACC,eAAvB,EAAwC;AAAE2L,WAAK,EAAEA;AAAT,KAAxC;AACD;AAED;;;;;SAGAk1C,W,GAAA,uBAAe;AACb7/D,oBAAM,CAACC,GAAP,CAAW,aAAX;AACA,SAAKW,OAAL,CAAame,iBAAS,CAACG,eAAvB;AACA,SAAKyL,KAAL,GAAa,IAAb;AACD;AAED;;;;;;SAIAq1C,U,GAAA,oBAAY5lD,GAAZ,EAAyB;AACvBA,OAAG,GAAGqP,+BAAA,CAA4BuD,MAAM,CAACizC,QAAP,CAAgBC,IAA5C,EAAkD9lD,GAAlD,EAAuD;AAAEqJ,qBAAe,EAAE;AAAnB,KAAvD,CAAN;AACAzjB,oBAAM,CAACC,GAAP,iBAAyBma,GAAzB;AACA,SAAKA,GAAL,GAAWA,GAAX,CAHuB,CAIvB;;AACA,SAAKxZ,OAAL,CAAame,iBAAS,CAACa,gBAAvB,EAAyC;AAAExF,SAAG,EAAEA;AAAP,KAAzC;AACD;AAED;;;;;;;;;SAOAmpB,S,GAAA,mBAAWY,aAAX,EAAuC;AAAA,QAA5BA,aAA4B;AAA5BA,mBAA4B,GAAJ,CAAC,CAAG;AAAA;;AACrCnkC,oBAAM,CAACC,GAAP,gBAAwBkkC,aAAxB;AACA,SAAKk7B,kBAAL,CAAwBjtD,OAAxB,CAAgC,UAAA+tD,UAAU,EAAI;AAC5CA,gBAAU,CAAC58B,SAAX,CAAqBY,aAArB;AACD,KAFD;AAGD;AAED;;;;;SAGAX,Q,GAAA,oBAAY;AACVxjC,oBAAM,CAACC,GAAP,CAAW,UAAX;AACA,SAAKo/D,kBAAL,CAAwBjtD,OAAxB,CAAgC,UAAA+tD,UAAU,EAAI;AAC5CA,gBAAU,CAAC38B,QAAX;AACD,KAFD;AAGD;AAED;;;;;SAGAyI,c,GAAA,0BAAkB;AAChBjsC,oBAAM,CAACC,GAAP,CAAW,gBAAX;AACA,SAAKu7C,gBAAL,CAAsBvP,cAAtB;AACD;AAED;;;;;;;;SAMAm0B,iB,GAAA,6BAAqB;AACnBpgE,oBAAM,CAACC,GAAP,CAAW,mBAAX;AACA,QAAI0qB,KAAK,GAAG,KAAKA,KAAjB;AACA,SAAKk1C,WAAL;;AACA,QAAIl1C,KAAJ,EAAW;AACT,WAAKo1C,WAAL,CAAiBp1C,KAAjB;AACD;AACF;AAED;;;AAGA;;;;;wBACqB;AACnB,aAAO,KAAKy0C,eAAL,CAAqBx1C,MAA5B;AACD;AAED;;;;;;;wBAI4B;AAC1B,aAAO,KAAK4xB,gBAAL,CAAsB1R,YAA7B;AACD;AAED;;;;;;;sBAMkBiE,Q,EAAkB;AAClC/tC,sBAAM,CAACC,GAAP,uBAA+B8tC,QAA/B;AACA,WAAKf,SAAL,GAAiBe,QAAjB;AACA,WAAKyN,gBAAL,CAAsB3T,oBAAtB;AACD;AAED;;;;;;;wBAIyB;AACvB,aAAO,KAAK2T,gBAAL,CAAsB/S,SAA7B;AACD;AAED;;;;;;;sBAMesF,Q,EAAkB;AAC/B/tC,sBAAM,CAACC,GAAP,oBAA4B8tC,QAA5B;AACA,WAAKqxB,eAAL,CAAqBiB,WAArB,GAAmCtyB,QAAnC;AACA,WAAKyN,gBAAL,CAAsBnT,eAAtB;AACD;AAED;;;;;;;wBAIyB;AACvB,aAAO,KAAK+2B,eAAL,CAAqBx6C,KAA5B;AACD;AAED;;;;;;;sBAMempB,Q,EAAkB;AAC/B/tC,sBAAM,CAACC,GAAP,oBAA4B8tC,QAA5B;AACA,WAAKqxB,eAAL,CAAqBiB,WAArB,GAAmCtyB,QAAnC;AACD;AAED;;;;;;;wBAI6B;AAC3B,aAAO,KAAKqxB,eAAL,CAAqBl6B,aAA5B;AACD;AAED;;;;;;sBAKmBtgB,K,EAAe;AAChC,WAAKw6C,eAAL,CAAqBl6B,aAArB,GAAqCtgB,KAArC;AACD;AAED;;;;;;;;wBAK0B;AACxB,aAAOpd,IAAI,CAACoX,GAAL,CAAS,KAAKwgD,eAAL,CAAqBzxB,UAA9B,EAA0C,KAAKkG,YAA/C,CAAP;AACD;AAED;;;;;sBAIgB9F,Q,EAAkB;AAChC/tC,sBAAM,CAACC,GAAP,qBAA6B8tC,QAA7B;AACA,WAAKqxB,eAAL,CAAqBzxB,UAArB,GAAkCI,QAAlC;AACD;AAED;;;;;;;;;;wBAO0B;AACxB,aAAO,KAAKqxB,eAAL,CAAqBn6B,UAA5B;AACD;AAED;;;;;;;;sBAOgB8I,Q,EAAkB;AAChC/tC,sBAAM,CAACC,GAAP,qBAA6B8tC,QAA7B,EADgC,CAEhC;;AACA,UAAIA,QAAQ,KAAK,CAAC,CAAlB,EAAqB;AACnBA,gBAAQ,GAAGvmC,IAAI,CAACoX,GAAL,CAASmvB,QAAT,EAAmB,KAAK8F,YAAxB,CAAX;AACD;;AAED,WAAKurB,eAAL,CAAqBn6B,UAArB,GAAkC8I,QAAlC;AACD;AAED;;;;;;;;sBAK0BuyB,kB,EAA6B;AACrD,UAAMC,uBAAuB,GAAG,CAAC,CAACD,kBAAlC;;AAEA,UAAIC,uBAAuB,KAAK,KAAKjhE,MAAL,CAAYu7C,oBAA5C,EAAkE;AAChE,YAAI0lB,uBAAJ,EAA6B;AAC3B,eAAKtC,kBAAL,CAAwB9iB,YAAxB,GAD2B,CACa;AACzC,SAFD,MAEO;AACL,eAAK8iB,kBAAL,CAAwBnjB,WAAxB;AACA,eAAKH,gBAAL,GAAwB,CAAC,CAAzB;AACA,eAAKa,gBAAL,CAAsBnT,eAAtB,GAHK,CAGoC;AAC1C;;AAED,aAAK/oC,MAAL,CAAYu7C,oBAAZ,GAAmC0lB,uBAAnC;AACD;AACF;AAED;;;;;;;wBAIgC;AAC9B,aAAO,KAAKpB,iBAAZ;AACD;AAED;;;;;;AASA;;;;sBAIsBpxB,Q,EAAkB;AACtC/tC,sBAAM,CAACC,GAAP,2BAAmC8tC,QAAnC;AACA,WAAKoxB,iBAAL,GAAyBpxB,QAAzB;AACD;AAED;;;;;;;wBAdiC;AAC/B,UAAM0H,WAAW,GAAG,KAAKsoB,aAAL,CAAmB7qB,YAAvC;AACA,aAAOuC,WAAW,GAAGA,WAAW,CAAC3D,WAAZ,EAAH,GAA+B0uB,GAAjD;AACD;;;wBAegC;AAC/B,aAAQ,KAAKpB,eAAL,CAAqBiB,WAArB,KAAqC,CAAC,CAA9C;AACD;AAED;;;;;;;wBAI2B;AACzB,aAAO,KAAKjB,eAAL,CAAqBiB,WAA5B;AACD;AAED;;;;;;;wBAI4B;AAAA,UAClBz2C,MADkB,GACqB,IADrB,CAClBA,MADkB;AAAA,UACAy0C,cADA,GACqB,IADrB,CACV/+D,MADU,CACA++D,cADA;AAE1B,UAAMx5D,GAAG,GAAG+kB,MAAM,GAAGA,MAAM,CAACjtB,MAAV,GAAmB,CAArC;;AAEA,WAAK,IAAIrB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGuJ,GAApB,EAAyBvJ,CAAC,EAA1B,EAA8B;AAC5B,YAAMi5C,gBAAgB,GAAG3qB,MAAM,CAACtuB,CAAD,CAAN,CAAU44C,WAAV,GACrB1sC,IAAI,CAACoX,GAAL,CAASgL,MAAM,CAACtuB,CAAD,CAAN,CAAU44C,WAAnB,EAAgCtqB,MAAM,CAACtuB,CAAD,CAAN,CAAU8uB,OAA1C,CADqB,GAErBR,MAAM,CAACtuB,CAAD,CAAN,CAAU8uB,OAFd;;AAIA,YAAImqB,gBAAgB,GAAG8pB,cAAvB,EAAuC;AACrC,iBAAO/iE,CAAP;AACD;AACF;;AAED,aAAO,CAAP;AACD;AAED;;;;;;;wBAI4B;AAAA,UAClBsuB,MADkB,GACW,IADX,CAClBA,MADkB;AAAA,UACV+wB,gBADU,GACW,IADX,CACVA,gBADU;AAG1B,UAAI1F,YAAJ;;AACA,UAAI0F,gBAAgB,KAAK,CAAC,CAAtB,IAA2B/wB,MAA3B,IAAqCA,MAAM,CAACjtB,MAAhD,EAAwD;AACtDs4C,oBAAY,GAAGrrB,MAAM,CAACjtB,MAAP,GAAgB,CAA/B;AACD,OAFD,MAEO;AACLs4C,oBAAY,GAAG0F,gBAAf;AACD;;AAED,aAAO1F,YAAP;AACD;AAED;;;;;;;wBAI6B;AAC3B;AACA,aAAOztC,IAAI,CAACC,GAAL,CAASD,IAAI,CAACoX,GAAL,CAAS,KAAKm/C,aAAL,CAAmBtvB,aAA5B,EAA2C,KAAKoF,YAAhD,CAAT,EAAwE,KAAKoB,YAA7E,CAAP;AACD;AAED;;;;;;;;;sBAQmBxM,S,EAAmB;AACpC,WAAKs1B,aAAL,CAAmBtvB,aAAnB,GAAmCjnC,IAAI,CAACoX,GAAL,CAAS,KAAKi1B,YAAd,EAA4BpL,SAA5B,CAAnC;AACD;AAED;;;AAGA;;;;wBAC0B;AACxB,UAAMm2B,oBAAoB,GAAG,KAAKA,oBAAlC;AACA,aAAOA,oBAAoB,GAAGA,oBAAoB,CAAC/tC,WAAxB,GAAsC,EAAjE;AACD;AAED;;;;;;;wBAI0B;AACxB,UAAM+tC,oBAAoB,GAAG,KAAKA,oBAAlC;AACA,aAAOA,oBAAoB,GAAGA,oBAAoB,CAACxwD,UAAxB,GAAqC,CAAC,CAAjE;AACD;AAED;;;;;sBAIgBqyD,Y,EAAsB;AACpC,UAAM7B,oBAAoB,GAAG,KAAKA,oBAAlC;;AACA,UAAIA,oBAAJ,EAA0B;AACxBA,4BAAoB,CAACxwD,UAArB,GAAkCqyD,YAAlC;AACD;AACF;AAED;;;;;;wBAGgC;AAC9B,aAAO,KAAKjlB,gBAAL,CAAsB7U,gBAA7B;AACD;AAED;;;;AAIA;;;;wBAC6B;AAC3B,UAAM83B,uBAAuB,GAAG,KAAKA,uBAArC;AACA,aAAOA,uBAAuB,GAAGA,uBAAuB,CAAClG,cAA3B,GAA4C,EAA1E;AACD;AAED;;;;;;;wBAI6B;AAC3B,UAAMkG,uBAAuB,GAAG,KAAKA,uBAArC;AACA,aAAOA,uBAAuB,GAAGA,uBAAuB,CAACxG,aAA3B,GAA2C,CAAC,CAA1E;AACD;AAED;;;;;sBAImBc,e,EAAyB;AAC1C,UAAM0F,uBAAuB,GAAG,KAAKA,uBAArC;;AACA,UAAIA,uBAAJ,EAA6B;AAC3BA,+BAAuB,CAACxG,aAAxB,GAAwCc,eAAxC;AACD;AACF;AAED;;;;;;wBAGgC;AAC9B,UAAM0F,uBAAuB,GAAG,KAAKA,uBAArC;AACA,aAAOA,uBAAuB,GAAGA,uBAAuB,CAAClI,eAA3B,GAA6C,KAA3E;AACD;AAED;;;;;sBAIqBliD,K,EAAgB;AACnC,UAAMoqD,uBAAuB,GAAG,KAAKA,uBAArC;;AACA,UAAIA,uBAAJ,EAA6B;AAC3BA,+BAAuB,CAAClI,eAAxB,GAA0CliD,KAA1C;AACD;AACF;;;;EAnoB8BskB,Q;;AAAZomC,O,CACLE,a;;;;;;;;;;;;;AC9BhB;AAAA;AAAO,IAAMyB,cAAc,GAAGx5C,MAAM,CAACzI,QAAP,IAAmB,UAAUpK,KAAV,EAAiB;AAChE,SAAO,OAAOA,KAAP,KAAiB,QAAjB,IAA6BoK,QAAQ,CAACpK,KAAD,CAA5C;AACD,CAFM,C;;;;;;;;;;;;;;;;;;;ACAP;;;IAIMssD,G;;;;;MACGC,c,GAAP,wBAAuBp+D,KAAvB,EAA8BD,YAA9B,EAA4C;AAC1C,YAAQC,KAAR;AACA,WAAK,WAAL;AACE,YAAID,YAAY,KAAK,CAArB,EAAwB;AACtB,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,CAAf,CAAP;AACD,SAFD,MAEO,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,EAAqC,IAArC,EAA2C,IAA3C,EAAiD,IAAjD,CAAf,CAAP;AACD,SAFM,MAEA,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,EAAqC,IAArC,EAA2C,IAA3C,EAAiD,IAAjD,EAAuD,IAAvD,EAA6D,IAA7D,EAAmE,IAAnE,EAAyE,IAAzE,CAAf,CAAP;AACD,SAFM,MAEA,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,EAAqC,IAArC,EAA2C,IAA3C,EAAiD,IAAjD,EAAuD,IAAvD,EAA6D,IAA7D,EAAmE,IAAnE,EAAyE,IAAzE,EAA+E,IAA/E,EAAqF,IAArF,EAA2F,IAA3F,EAAiG,IAAjG,EAAuG,IAAvG,CAAf,CAAP;AACD,SAFM,MAEA,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,EAAqC,IAArC,EAA2C,IAA3C,EAAiD,IAAjD,EAAuD,IAAvD,EAA6D,IAA7D,EAAmE,IAAnE,EAAyE,IAAzE,EAA+E,IAA/E,EAAqF,IAArF,EAA2F,IAA3F,EAAiG,IAAjG,EAAuG,IAAvG,EAA6G,IAA7G,EAAmH,IAAnH,EAAyH,IAAzH,CAAf,CAAP;AACD,SAFM,MAEA,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,EAAqC,IAArC,EAA2C,IAA3C,EAAiD,IAAjD,EAAuD,IAAvD,EAA6D,IAA7D,EAAmE,IAAnE,EAAyE,IAAzE,EAA+E,IAA/E,EAAqF,IAArF,EAA2F,IAA3F,EAAiG,IAAjG,EAAuG,IAAvG,EAA6G,IAA7G,EAAmH,IAAnH,EAAyH,IAAzH,EAA+H,IAA/H,EAAqI,IAArI,EAA2I,IAA3I,EAAiJ,IAAjJ,EAAuJ,IAAvJ,CAAf,CAAP;AACD;;AAED;AACF;;AACA;AACE,YAAI/E,YAAY,KAAK,CAArB,EAAwB;AACtB;AACA,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,GAAD,EAAM,IAAN,EAAY,IAAZ,EAAkB,IAAlB,EAAwB,IAAxB,EAA8B,IAA9B,EAAoC,IAApC,EAA0C,IAA1C,EAAgD,IAAhD,EAAsD,GAAtD,EAA2D,GAA3D,EAAgE,GAAhE,EAAqE,GAArE,EAA0E,IAA1E,EAAgF,GAAhF,EAAqF,IAArF,EAA2F,IAA3F,EAAiG,GAAjG,EAAsG,IAAtG,EAA4G,IAA5G,EAAkH,IAAlH,EAAwH,IAAxH,EAA8H,IAA9H,EAAoI,IAApI,EAA0I,IAA1I,EAAgJ,IAAhJ,EAAsJ,IAAtJ,EAA4J,IAA5J,EAAkK,IAAlK,EAAwK,IAAxK,EAA8K,IAA9K,EAAoL,IAApL,EAA0L,IAA1L,EAAgM,IAAhM,EAAsM,IAAtM,EAA4M,IAA5M,EAAkN,IAAlN,EAAwN,IAAxN,EAA8N,IAA9N,EAAoO,IAApO,EAA0O,IAA1O,EAAgP,IAAhP,EAAsP,IAAtP,EAA4P,IAA5P,EAAkQ,IAAlQ,EAAwQ,IAAxQ,EAA8Q,IAA9Q,EAAoR,IAApR,EAA0R,IAA1R,EAAgS,IAAhS,EAAsS,IAAtS,EAA4S,IAA5S,EAAkT,IAAlT,EAAwT,IAAxT,EAA8T,IAA9T,EAAoU,IAApU,EAA0U,IAA1U,EAAgV,IAAhV,EAAsV,IAAtV,CAAf,CAAP;AACD,SAHD,MAGO,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B;AACA,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,GAAD,EAAM,IAAN,EAAY,IAAZ,EAAkB,IAAlB,EAAwB,IAAxB,EAA8B,IAA9B,EAAoC,IAApC,EAA0C,IAA1C,EAAgD,IAAhD,EAAsD,GAAtD,EAA2D,GAA3D,EAAgE,GAAhE,EAAqE,GAArE,EAA0E,GAA1E,EAA+E,IAA/E,EAAqF,GAArF,EAA0F,GAA1F,EAA+F,IAA/F,EAAqG,IAArG,EAA2G,GAA3G,EAAgH,IAAhH,EAAsH,IAAtH,EAA4H,IAA5H,EAAkI,IAAlI,EAAwI,IAAxI,EAA8I,IAA9I,EAAoJ,IAApJ,EAA0J,IAA1J,EAAgK,IAAhK,EAAsK,IAAtK,EAA4K,IAA5K,EAAkL,IAAlL,EAAwL,IAAxL,EAA8L,IAA9L,EAAoM,IAApM,EAA0M,IAA1M,EAAgN,IAAhN,EAAsN,IAAtN,EAA4N,IAA5N,EAAkO,IAAlO,EAAwO,IAAxO,EAA8O,IAA9O,EAAoP,IAApP,EAA0P,IAA1P,EAAgQ,IAAhQ,EAAsQ,IAAtQ,EAA4Q,IAA5Q,EAAkR,IAAlR,EAAwR,IAAxR,EAA8R,IAA9R,EAAoS,IAApS,EAA0S,IAA1S,EAAgT,IAAhT,EAAsT,IAAtT,EAA4T,IAA5T,EAAkU,IAAlU,EAAwU,IAAxU,EAA8U,IAA9U,EAAoV,IAApV,CAAf,CAAP;AACD,SAHM,MAGA,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B;AACA,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,GAAD,EAAM,IAAN,EAAY,IAAZ,EAAkB,IAAlB,EAAwB,IAAxB,EAA8B,IAA9B,EAAoC,IAApC,EAA0C,IAA1C,EAAgD,IAAhD,EAAsD,GAAtD,EAA2D,GAA3D,EAAgE,GAAhE,EAAqE,GAArE,EAA0E,GAA1E,EAA+E,IAA/E,EAAqF,GAArF,EAA0F,GAA1F,EAA+F,IAA/F,EAAqG,IAArG,EAA2G,GAA3G,EAAgH,IAAhH,EAAsH,IAAtH,EAA4H,IAA5H,EAAkI,IAAlI,EAAwI,IAAxI,EAA8I,IAA9I,EAAoJ,IAApJ,EAA0J,IAA1J,EAAgK,IAAhK,EAAsK,IAAtK,EAA4K,IAA5K,EAAkL,IAAlL,EAAwL,IAAxL,EAA8L,IAA9L,EAAoM,IAApM,EAA0M,IAA1M,EAAgN,IAAhN,EAAsN,IAAtN,EAA4N,IAA5N,EAAkO,IAAlO,EAAwO,IAAxO,EAA8O,IAA9O,EAAoP,IAApP,EAA0P,IAA1P,EAAgQ,IAAhQ,EAAsQ,IAAtQ,EAA4Q,IAA5Q,EAAkR,IAAlR,EAAwR,IAAxR,EAA8R,IAA9R,EAAoS,IAApS,EAA0S,IAA1S,EAAgT,IAAhT,EAAsT,IAAtT,EAA4T,IAA5T,EAAkU,IAAlU,EAAwU,IAAxU,EAA8U,IAA9U,EAAoV,IAApV,CAAf,CAAP;AACD;;AACD;AA7BF;;AA+BA,WAAO,IAAP;AACD,G;;;;;AAGYq5D,kDAAf,E;;ACzCA;;;AAIA,IAAMzlD,UAAU,GAAG1T,IAAI,CAAC2T,GAAL,CAAS,CAAT,EAAY,EAAZ,IAAkB,CAArC;;IAEM0lD,G;;;;;MACGC,I,GAAP,gBAAe;AACbD,OAAG,CAACE,KAAJ,GAAY;AACVC,UAAI,EAAE,EADI;AACA;AACVC,UAAI,EAAE,EAFI;AAGVC,UAAI,EAAE,EAHI;AAIVC,UAAI,EAAE,EAJI;AAKVC,UAAI,EAAE,EALI;AAMVC,UAAI,EAAE,EANI;AAOVC,UAAI,EAAE,EAPI;AAQV3jD,UAAI,EAAE,EARI;AASV4jD,UAAI,EAAE,EATI;AAUV7jD,UAAI,EAAE,EAVI;AAWV8jD,UAAI,EAAE,EAXI;AAYVC,UAAI,EAAE,EAZI;AAaVC,UAAI,EAAE,EAbI;AAcVC,UAAI,EAAE,EAdI;AAeVrlD,UAAI,EAAE,EAfI;AAgBVslD,UAAI,EAAE,EAhBI;AAiBV,cAAQ,EAjBE;AAkBVC,UAAI,EAAE,EAlBI;AAmBVC,UAAI,EAAE,EAnBI;AAoBVC,UAAI,EAAE,EApBI;AAqBVC,UAAI,EAAE,EArBI;AAsBVC,UAAI,EAAE,EAtBI;AAuBVC,UAAI,EAAE,EAvBI;AAwBVC,UAAI,EAAE,EAxBI;AAyBVC,UAAI,EAAE,EAzBI;AA0BVC,UAAI,EAAE,EA1BI;AA2BVC,UAAI,EAAE,EA3BI;AA4BV9jD,UAAI,EAAE,EA5BI;AA6BVH,UAAI,EAAE,EA7BI;AA8BVD,UAAI,EAAE,EA9BI;AA+BVb,UAAI,EAAE,EA/BI;AAgCVglD,UAAI,EAAE,EAhCI;AAiCVC,UAAI,EAAE,EAjCI;AAkCVhlD,UAAI,EAAE,EAlCI;AAmCVilD,UAAI,EAAE,EAnCI;AAoCVC,UAAI,EAAE;AApCI,KAAZ;AAuCA,QAAIpnE,CAAJ;;AACA,SAAKA,CAAL,IAAUulE,GAAG,CAACE,KAAd,EAAqB;AACnB,UAAIF,GAAG,CAACE,KAAJ,CAAUj6C,cAAV,CAAyBxrB,CAAzB,CAAJ,EAAiC;AAC/BulE,WAAG,CAACE,KAAJ,CAAUzlE,CAAV,IAAe,CACbA,CAAC,CAACq3D,UAAF,CAAa,CAAb,CADa,EAEbr3D,CAAC,CAACq3D,UAAF,CAAa,CAAb,CAFa,EAGbr3D,CAAC,CAACq3D,UAAF,CAAa,CAAb,CAHa,EAIbr3D,CAAC,CAACq3D,UAAF,CAAa,CAAb,CAJa,CAAf;AAMD;AACF;;AAED,QAAIgQ,SAAS,GAAG,IAAIr7D,UAAJ,CAAe,CAC7B,IAD6B,EACvB;AACN,QAF6B,EAEvB,IAFuB,EAEjB,IAFiB,EAEX;AAClB,QAH6B,EAGvB,IAHuB,EAGjB,IAHiB,EAGX,IAHW,EAGL;AACxB,QAJ6B,EAIvB,IAJuB,EAIjB,IAJiB,EAIX,IAJW,EAIL;AACxB,QAL6B,EAKvB,IALuB,EAKjB,IALiB,EAKX,IALW,EAKL;AACxB,QAN6B,EAMvB,IANuB,EAMjB,IANiB,EAMX,IANW,EAML;AACxB,QAP6B,EAOvB,IAPuB,EAOjB,IAPiB,EAOX,IAPW,EAOL;AACxB,QAR6B,EAQvB,IARuB,EAQjB,IARiB,EAQX,IARW,EAS7B,IAT6B,EASvB,IATuB,EASjB,IATiB,EASX,IATW,EAU7B,IAV6B,EAUvB,IAVuB,EAUjB,IAViB,EAUX,IAVW,EAUL,IAVK,CAUA;AAVA,KAAf,CAAhB;AAaA,QAAIs7D,SAAS,GAAG,IAAIt7D,UAAJ,CAAe,CAC7B,IAD6B,EACvB;AACN,QAF6B,EAEvB,IAFuB,EAEjB,IAFiB,EAEX;AAClB,QAH6B,EAGvB,IAHuB,EAGjB,IAHiB,EAGX,IAHW,EAGL;AACxB,QAJ6B,EAIvB,IAJuB,EAIjB,IAJiB,EAIX,IAJW,EAIL;AACxB,QAL6B,EAKvB,IALuB,EAKjB,IALiB,EAKX,IALW,EAKL;AACxB,QAN6B,EAMvB,IANuB,EAMjB,IANiB,EAMX,IANW,EAML;AACxB,QAP6B,EAOvB,IAPuB,EAOjB,IAPiB,EAOX,IAPW,EAOL;AACxB,QAR6B,EAQvB,IARuB,EAQjB,IARiB,EAQX,IARW,EAS7B,IAT6B,EASvB,IATuB,EASjB,IATiB,EASX,IATW,EAU7B,IAV6B,EAUvB,IAVuB,EAUjB,IAViB,EAUX,IAVW,EAUL,IAVK,CAUA;AAVA,KAAf,CAAhB;AAaAu5D,OAAG,CAACgC,UAAJ,GAAiB;AACf,eAASF,SADM;AAEf,eAASC;AAFM,KAAjB;AAKA,QAAIxB,IAAI,GAAG,IAAI95D,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ,IAHY,EAGN,IAHM,EAGA;AACxB,QAJwB,EAIlB,IAJkB,EAIZ,IAJY,EAIN,IAJM,EAIA;AACxB,QALwB,EAKlB,IALkB,EAKZ,IALY,EAKN,IALM,EAKA;AACxB,QANwB,EAMlB;AACN,QAPwB,EAOlB,IAPkB,EAOZ,IAPY,CAOP;AAPO,KAAf,CAAX;AAUA,QAAI46D,IAAI,GAAG,IAAI56D,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ,IAHY,EAGN,IAHM,CAGD;AAHC,KAAf,CAAX;AAMAu5D,OAAG,CAACiC,IAAJ,GAAWjC,GAAG,CAACkC,IAAJ,GAAWlC,GAAG,CAACmC,IAAJ,GAAWd,IAAjC;AAEArB,OAAG,CAACoC,IAAJ,GAAW,IAAI37D,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ,IAHY,EAGN,IAHM,EAGA;AACxB,QAJwB,EAIlB,IAJkB,EAIZ,IAJY,EAIN,IAJM,CAID;AAJC,KAAf,CAAX;AAMAu5D,OAAG,CAACqC,IAAJ,GAAW,IAAI57D,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ;AACZ,QAJwB,EAIlB,IAJkB,EAKxB,IALwB,EAKlB,IALkB,EAMxB,IANwB,EAMlB,IANkB,CAMb;AANa,KAAf,CAAX;AAQAu5D,OAAG,CAACsC,IAAJ,GAAW,IAAI77D,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ;AACZ,QAJwB,EAIlB,IAJkB,CAIb;AAJa,KAAf,CAAX;AAOAu5D,OAAG,CAACuC,IAAJ,GAAW,IAAI97D,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ,IAHY,EAGN,IAHM,CAAf,CAAX,CA1Ha,CA6Hc;;AAE3B,QAAI+7D,UAAU,GAAG,IAAI/7D,UAAJ,CAAe,CAAC,GAAD,EAAM,GAAN,EAAW,GAAX,EAAgB,GAAhB,CAAf,CAAjB,CA/Ha,CA+H0C;;AACvD,QAAIg8D,SAAS,GAAG,IAAIh8D,UAAJ,CAAe,CAAC,EAAD,EAAK,GAAL,EAAU,EAAV,EAAc,EAAd,CAAf,CAAhB,CAhIa,CAgIsC;;AACnD,QAAIi8D,YAAY,GAAG,IAAIj8D,UAAJ,CAAe,CAAC,CAAD,EAAI,CAAJ,EAAO,CAAP,EAAU,CAAV,CAAf,CAAnB;AAEAu5D,OAAG,CAAC2C,IAAJ,GAAW3C,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUO,IAAlB,EAAwB+B,UAAxB,EAAoCE,YAApC,EAAkDF,UAAlD,EAA8DC,SAA9D,CAAX;AACAzC,OAAG,CAAC6C,IAAJ,GAAW7C,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUI,IAAlB,EAAwBN,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUK,IAAlB,EAAwBA,IAAxB,CAAxB,CAAX;AACD,G;;MAEMqC,G,GAAP,aAAY1iE,IAAZ,EAAkB;AAChB,QACEqyB,OAAO,GAAGhxB,KAAK,CAACoyB,SAAN,CAAgB/5B,KAAhB,CAAsBooB,IAAtB,CAA2B0/B,SAA3B,EAAsC,CAAtC,CADZ;AAAA,QAEEx6C,IAAI,GAAG,CAFT;AAAA,QAGEzM,CAAC,GAAG83B,OAAO,CAACz2B,MAHd;AAAA,QAIEkI,GAAG,GAAGvJ,CAJR;AAAA,QAKEmF,MALF,CADgB,CAOhB;;AACA,WAAOnF,CAAC,EAAR,EAAY;AACVyM,UAAI,IAAIqrB,OAAO,CAAC93B,CAAD,CAAP,CAAWjB,UAAnB;AACD;;AAEDoG,UAAM,GAAG,IAAI6G,UAAJ,CAAeS,IAAf,CAAT;AACAtH,UAAM,CAAC,CAAD,CAAN,GAAasH,IAAI,IAAI,EAAT,GAAe,IAA3B;AACAtH,UAAM,CAAC,CAAD,CAAN,GAAasH,IAAI,IAAI,EAAT,GAAe,IAA3B;AACAtH,UAAM,CAAC,CAAD,CAAN,GAAasH,IAAI,IAAI,CAAT,GAAc,IAA1B;AACAtH,UAAM,CAAC,CAAD,CAAN,GAAYsH,IAAI,GAAG,IAAnB;AACAtH,UAAM,CAACiH,GAAP,CAAW3G,IAAX,EAAiB,CAAjB,EAjBgB,CAkBhB;;AACA,SAAKzF,CAAC,GAAG,CAAJ,EAAOyM,IAAI,GAAG,CAAnB,EAAsBzM,CAAC,GAAGuJ,GAA1B,EAA+BvJ,CAAC,EAAhC,EAAoC;AAClC;AACAmF,YAAM,CAACiH,GAAP,CAAW0rB,OAAO,CAAC93B,CAAD,CAAlB,EAAuByM,IAAvB;AACAA,UAAI,IAAIqrB,OAAO,CAAC93B,CAAD,CAAP,CAAWjB,UAAnB;AACD;;AACD,WAAOoG,MAAP;AACD,G;;MAEMkd,I,GAAP,cAAa5c,IAAb,EAAmB;AACjB,WAAO8/D,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUpjD,IAAlB,EAAwBkjD,GAAG,CAACgC,UAAJ,CAAe9hE,IAAf,CAAxB,CAAP;AACD,G;;MAEMwgE,I,GAAP,cAAa3nE,IAAb,EAAmB;AACjB,WAAOinE,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUQ,IAAlB,EAAwB3nE,IAAxB,CAAP;AACD,G;;MAEM8jB,I,GAAP,cAAaf,SAAb,EAAwBpY,QAAxB,EAAkC;AAChCA,YAAQ,IAAIoY,SAAZ;AACA,QAAMgnD,iBAAiB,GAAGn8D,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAI2W,UAAU,GAAG,CAAjB,CAAnB,CAA1B;AACA,QAAM0oD,iBAAiB,GAAGp8D,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAI2W,UAAU,GAAG,CAAjB,CAAnB,CAA1B;AACA,WAAO2lD,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUrjD,IAAlB,EAAwB,IAAIpW,UAAJ,CAAe,CAC5C,IAD4C,EACtC;AACN,QAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AAClB,QAH4C,EAGtC,IAHsC,EAGhC,IAHgC,EAG1B,IAH0B,EAGpB,IAHoB,EAGd,IAHc,EAGR,IAHQ,EAGF,IAHE,EAGI;AAChD,QAJ4C,EAItC,IAJsC,EAIhC,IAJgC,EAI1B,IAJ0B,EAIpB,IAJoB,EAId,IAJc,EAIR,IAJQ,EAIF,IAJE,EAII;AAC/CqV,aAAS,IAAI,EAAd,GAAoB,IALwB,EAM3CA,SAAS,IAAI,EAAd,GAAoB,IANwB,EAO3CA,SAAS,IAAI,CAAd,GAAmB,IAPyB,EAQ5CA,SAAS,GAAG,IARgC,EAQ1B;AACjBgnD,qBAAiB,IAAI,EATsB,EAU3CA,iBAAiB,IAAI,EAAtB,GAA4B,IAVgB,EAW3CA,iBAAiB,IAAI,CAAtB,GAA2B,IAXiB,EAY5CA,iBAAiB,GAAG,IAZwB,EAa3CC,iBAAiB,IAAI,EAbsB,EAc3CA,iBAAiB,IAAI,EAAtB,GAA4B,IAdgB,EAe3CA,iBAAiB,IAAI,CAAtB,GAA2B,IAfiB,EAgB5CA,iBAAiB,GAAG,IAhBwB,EAiB5C,IAjB4C,EAiBtC,IAjBsC,EAiBhC;AACZ,QAlB4C,EAkBtC,IAlBsC,CAAf,CAAxB,CAAP;AAoBD,G;;MAEMpC,I,GAAP,cAAat+D,KAAb,EAAoB;AAClB,WAAO29D,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUS,IAAlB,EAAwBX,GAAG,CAACnjD,IAAJ,CAASxa,KAAK,CAACyZ,SAAf,EAA0BzZ,KAAK,CAACqB,QAAhC,CAAxB,EAAmEs8D,GAAG,CAACljD,IAAJ,CAASza,KAAK,CAACnC,IAAf,CAAnE,EAAyF8/D,GAAG,CAACa,IAAJ,CAASx+D,KAAT,CAAzF,CAAP;AACD,G;;MAEMu+D,I,GAAP,cAAa98D,cAAb,EAA6B;AAC3B,WAAOk8D,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUU,IAAlB,EAAwB,IAAIn6D,UAAJ,CAAe,CAC5C,IAD4C,EAE5C,IAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AACjB3C,kBAAc,IAAI,EAHyB,EAI3CA,cAAc,IAAI,EAAnB,GAAyB,IAJmB,EAK3CA,cAAc,IAAI,CAAnB,GAAwB,IALoB,EAM5CA,cAAc,GAAG,IAN2B,CAMtB;AANsB,KAAf,CAAxB,CAAP;AAQD,G;;MAEM+8D,I,GAAP,cAAax+D,KAAb,EAAoB;AAClB,QAAIA,KAAK,CAACnC,IAAN,KAAe,OAAnB,EAA4B;AAC1B,aAAO8/D,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUW,IAAlB,EAAwBb,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAU2B,IAAlB,EAAwB7B,GAAG,CAACsC,IAA5B,CAAxB,EAA2DtC,GAAG,CAAC6C,IAA/D,EAAqE7C,GAAG,CAACoB,IAAJ,CAAS/+D,KAAT,CAArE,CAAP;AACD,KAFD,MAEO;AACL,aAAO29D,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUW,IAAlB,EAAwBb,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAU0B,IAAlB,EAAwB5B,GAAG,CAACqC,IAA5B,CAAxB,EAA2DrC,GAAG,CAAC6C,IAA/D,EAAqE7C,GAAG,CAACoB,IAAJ,CAAS/+D,KAAT,CAArE,CAAP;AACD;AACF,G;;MAEMy+D,I,GAAP,cAAaj9C,EAAb,EAAiB/F,mBAAjB,EAAsCzb,KAAtC,EAA6C;AAC3C,WAAO29D,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUY,IAAlB,EAAwBd,GAAG,CAACY,IAAJ,CAAS/8C,EAAT,CAAxB,EAAsCm8C,GAAG,CAACziD,IAAJ,CAASlb,KAAT,EAAgByb,mBAAhB,CAAtC,CAAP;AACD;AACD;;;;;MAGOrC,I,GAAP,cAAaf,MAAb,EAAqB;AACnB,QACEjgB,CAAC,GAAGigB,MAAM,CAAC5e,MADb;AAAA,QAEEknE,KAAK,GAAG,EAFV;;AAIA,WAAOvoE,CAAC,EAAR,EAAY;AACVuoE,WAAK,CAACvoE,CAAD,CAAL,GAAWulE,GAAG,CAACtjD,IAAJ,CAAShC,MAAM,CAACjgB,CAAD,CAAf,CAAX;AACD;;AAED,WAAOulE,GAAG,CAAC4C,GAAJ,CAAQ9nD,KAAR,CAAc,IAAd,EAAoB,CAACklD,GAAG,CAACE,KAAJ,CAAUzkD,IAAX,EAAiBukD,GAAG,CAACiB,IAAJ,CAASvmD,MAAM,CAAC,CAAD,CAAN,CAAUoB,SAAnB,EAA8BpB,MAAM,CAAC,CAAD,CAAN,CAAUhX,QAAxC,CAAjB,EAAoE6X,MAApE,CAA2EynD,KAA3E,EAAkFznD,MAAlF,CAAyFykD,GAAG,CAACgB,IAAJ,CAAStmD,MAAT,CAAzF,CAApB,CAAP;AACD,G;;MAEMsmD,I,GAAP,cAAatmD,MAAb,EAAqB;AACnB,QACEjgB,CAAC,GAAGigB,MAAM,CAAC5e,MADb;AAAA,QAEEknE,KAAK,GAAG,EAFV;;AAIA,WAAOvoE,CAAC,EAAR,EAAY;AACVuoE,WAAK,CAACvoE,CAAD,CAAL,GAAWulE,GAAG,CAAC2B,IAAJ,CAASjnD,MAAM,CAACjgB,CAAD,CAAf,CAAX;AACD;;AAED,WAAOulE,GAAG,CAAC4C,GAAJ,CAAQ9nD,KAAR,CAAc,IAAd,EAAoB,CAACklD,GAAG,CAACE,KAAJ,CAAUc,IAAX,EAAiBzlD,MAAjB,CAAwBynD,KAAxB,CAApB,CAAP;AACD,G;;MAEM/B,I,GAAP,cAAanlD,SAAb,EAAwBpY,QAAxB,EAAkC;AAChCA,YAAQ,IAAIoY,SAAZ;AACA,QAAMgnD,iBAAiB,GAAGn8D,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAI2W,UAAU,GAAG,CAAjB,CAAnB,CAA1B;AACA,QAAM0oD,iBAAiB,GAAGp8D,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAI2W,UAAU,GAAG,CAAjB,CAAnB,CAA1B;AACA,QACE/H,KAAK,GAAG,IAAI7L,UAAJ,CAAe,CACrB,IADqB,EACf;AACN,QAFqB,EAEf,IAFe,EAET,IAFS,EAEH;AAClB,QAHqB,EAGf,IAHe,EAGT,IAHS,EAGH,IAHG,EAGG,IAHH,EAGS,IAHT,EAGe,IAHf,EAGqB,IAHrB,EAG2B;AAChD,QAJqB,EAIf,IAJe,EAIT,IAJS,EAIH,IAJG,EAIG,IAJH,EAIS,IAJT,EAIe,IAJf,EAIqB,IAJrB,EAI2B;AAC/CqV,aAAS,IAAI,EAAd,GAAoB,IALC,EAMpBA,SAAS,IAAI,EAAd,GAAoB,IANC,EAOpBA,SAAS,IAAI,CAAd,GAAmB,IAPE,EAQrBA,SAAS,GAAG,IARS,EAQH;AACjBgnD,qBAAiB,IAAI,EATD,EAUpBA,iBAAiB,IAAI,EAAtB,GAA4B,IAVP,EAWpBA,iBAAiB,IAAI,CAAtB,GAA2B,IAXN,EAYrBA,iBAAiB,GAAG,IAZC,EAapBC,iBAAiB,IAAI,EAbD,EAcpBA,iBAAiB,IAAI,EAAtB,GAA4B,IAdP,EAepBA,iBAAiB,IAAI,CAAtB,GAA2B,IAfN,EAgBrBA,iBAAiB,GAAG,IAhBC,EAiBrB,IAjBqB,EAiBf,IAjBe,EAiBT,IAjBS,EAiBH,IAjBG,EAiBG;AACxB,QAlBqB,EAkBf,IAlBe,EAkBT;AACZ,QAnBqB,EAmBf,IAnBe,EAmBT;AACZ,QApBqB,EAoBf,IApBe,EAoBT,IApBS,EAoBH,IApBG,EAoBG;AACxB,QArBqB,EAqBf,IArBe,EAqBT,IArBS,EAqBH,IArBG,EAqBG;AACxB,QAtBqB,EAsBf,IAtBe,EAsBT,IAtBS,EAsBH,IAtBG,EAuBrB,IAvBqB,EAuBf,IAvBe,EAuBT,IAvBS,EAuBH,IAvBG,EAwBrB,IAxBqB,EAwBf,IAxBe,EAwBT,IAxBS,EAwBH,IAxBG,EAyBrB,IAzBqB,EAyBf,IAzBe,EAyBT,IAzBS,EAyBH,IAzBG,EA0BrB,IA1BqB,EA0Bf,IA1Be,EA0BT,IA1BS,EA0BH,IA1BG,EA2BrB,IA3BqB,EA2Bf,IA3Be,EA2BT,IA3BS,EA2BH,IA3BG,EA4BrB,IA5BqB,EA4Bf,IA5Be,EA4BT,IA5BS,EA4BH,IA5BG,EA6BrB,IA7BqB,EA6Bf,IA7Be,EA6BT,IA7BS,EA6BH,IA7BG,EA8BrB,IA9BqB,EA8Bf,IA9Be,EA8BT,IA9BS,EA8BH,IA9BG,EA8BG;AACxB,QA/BqB,EA+Bf,IA/Be,EA+BT,IA/BS,EA+BH,IA/BG,EAgCrB,IAhCqB,EAgCf,IAhCe,EAgCT,IAhCS,EAgCH,IAhCG,EAiCrB,IAjCqB,EAiCf,IAjCe,EAiCT,IAjCS,EAiCH,IAjCG,EAkCrB,IAlCqB,EAkCf,IAlCe,EAkCT,IAlCS,EAkCH,IAlCG,EAmCrB,IAnCqB,EAmCf,IAnCe,EAmCT,IAnCS,EAmCH,IAnCG,EAoCrB,IApCqB,EAoCf,IApCe,EAoCT,IApCS,EAoCH,IApCG,EAoCG;AACxB,QArCqB,EAqCf,IArCe,EAqCT,IArCS,EAqCH,IArCG,CAqCE;AArCF,KAAf,CADV;AAwCA,WAAO/C,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUe,IAAlB,EAAwB3uD,KAAxB,CAAP;AACD,G;;MAEM6uD,I,GAAP,cAAa9+D,KAAb,EAAoB;AAClB,QACEa,OAAO,GAAGb,KAAK,CAACa,OAAN,IAAiB,EAD7B;AAAA,QAEEoP,KAAK,GAAG,IAAI7L,UAAJ,CAAe,IAAIvD,OAAO,CAACpH,MAA3B,CAFV;AAAA,QAGEmnE,KAHF;AAAA,QAIExoE,CAJF,CADkB,CAMlB;AACA;;AACA,SAAKA,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGyI,OAAO,CAACpH,MAAxB,EAAgCrB,CAAC,EAAjC,EAAqC;AACnCwoE,WAAK,GAAG//D,OAAO,CAACzI,CAAD,CAAP,CAAWwoE,KAAnB;AACA3wD,WAAK,CAAC7X,CAAC,GAAG,CAAL,CAAL,GAAgBwoE,KAAK,CAACC,SAAN,IAAmB,CAApB,GACZD,KAAK,CAACE,YAAN,IAAsB,CADV,GAEZF,KAAK,CAACG,aAFT;AAGD;;AAED,WAAOpD,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUiB,IAAlB,EAAwB7uD,KAAxB,CAAP;AACD,G;;MAEM8uD,I,GAAP,cAAa/+D,KAAb,EAAoB;AAClB,WAAO29D,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUkB,IAAlB,EAAwBpB,GAAG,CAACuB,IAAJ,CAASl/D,KAAT,CAAxB,EAAyC29D,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUuB,IAAlB,EAAwBzB,GAAG,CAACiC,IAA5B,CAAzC,EAA4EjC,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUoB,IAAlB,EAAwBtB,GAAG,CAACkC,IAA5B,CAA5E,EAA+GlC,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUsB,IAAlB,EAAwBxB,GAAG,CAACoC,IAA5B,CAA/G,EAAkJpC,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUmB,IAAlB,EAAwBrB,GAAG,CAACmC,IAA5B,CAAlJ,CAAP;AACD,G;;MAEMhC,I,GAAP,cAAa99D,KAAb,EAAoB;AAClB,QAAI0O,GAAG,GAAG,EAAV;AAAA,QAAcmC,GAAG,GAAG,EAApB;AAAA,QAAwBzY,CAAxB;AAAA,QAA2B1B,IAA3B;AAAA,QAAiCiL,GAAjC,CADkB,CAElB;;AAEA,SAAKvJ,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG4H,KAAK,CAAC0O,GAAN,CAAUjV,MAA1B,EAAkCrB,CAAC,EAAnC,EAAuC;AACrC1B,UAAI,GAAGsJ,KAAK,CAAC0O,GAAN,CAAUtW,CAAV,CAAP;AACAuJ,SAAG,GAAGjL,IAAI,CAACS,UAAX;AACAuX,SAAG,CAAC5N,IAAJ,CAAUa,GAAG,KAAK,CAAT,GAAc,IAAvB;AACA+M,SAAG,CAAC5N,IAAJ,CAAUa,GAAG,GAAG,IAAhB,EAJqC,CAMrC;;AACA+M,SAAG,GAAGA,GAAG,CAACwK,MAAJ,CAAWha,KAAK,CAACoyB,SAAN,CAAgB/5B,KAAhB,CAAsBooB,IAAtB,CAA2BjpB,IAA3B,CAAX,CAAN;AACD,KAZiB,CAclB;;;AACA,SAAK0B,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG4H,KAAK,CAAC6Q,GAAN,CAAUpX,MAA1B,EAAkCrB,CAAC,EAAnC,EAAuC;AACrC1B,UAAI,GAAGsJ,KAAK,CAAC6Q,GAAN,CAAUzY,CAAV,CAAP;AACAuJ,SAAG,GAAGjL,IAAI,CAACS,UAAX;AACA0Z,SAAG,CAAC/P,IAAJ,CAAUa,GAAG,KAAK,CAAT,GAAc,IAAvB;AACAkP,SAAG,CAAC/P,IAAJ,CAAUa,GAAG,GAAG,IAAhB;AAEAkP,SAAG,GAAGA,GAAG,CAACqI,MAAJ,CAAWha,KAAK,CAACoyB,SAAN,CAAgB/5B,KAAhB,CAAsBooB,IAAtB,CAA2BjpB,IAA3B,CAAX,CAAN;AACD;;AAED,QAAIsqE,IAAI,GAAGrD,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUE,IAAlB,EAAwB,IAAI35D,UAAJ,CAAe,CAC9C,IAD8C,EACxC;AACNsK,OAAG,CAAC,CAAD,CAF2C,EAEtC;AACRA,OAAG,CAAC,CAAD,CAH2C,EAGtC;AACRA,OAAG,CAAC,CAAD,CAJ2C,EAItC;AACR,WAAO,CALuC,EAKpC;AACV,WAAO1O,KAAK,CAAC0O,GAAN,CAAUjV,MAN6B,CAMtB;AANsB,MAO9Cyf,MAP8C,CAOvCxK,GAPuC,EAOlCwK,MAPkC,CAO3B,CACnBlZ,KAAK,CAAC6Q,GAAN,CAAUpX,MADS,CACF;AADE,KAP2B,EAS7Cyf,MAT6C,CAStCrI,GATsC,CAAf,CAAxB,CAAX;AAAA,QASoB;AAClB3J,SAAK,GAAGlH,KAAK,CAACkH,KAVhB;AAAA,QAWEE,MAAM,GAAGpH,KAAK,CAACoH,MAXjB;AAAA,QAYE65D,QAAQ,GAAGjhE,KAAK,CAACgH,UAAN,CAAiB,CAAjB,CAZb;AAAA,QAaEk6D,QAAQ,GAAGlhE,KAAK,CAACgH,UAAN,CAAiB,CAAjB,CAbb;AAeA,WAAO22D,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUC,IAAlB,EAAwB,IAAI15D,UAAJ,CAAe,CAC5C,IAD4C,EACtC,IADsC,EAChC,IADgC,EAC1B;AAClB,QAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AAClB,QAH4C,EAGtC,IAHsC,EAGhC;AACZ,QAJ4C,EAItC,IAJsC,EAIhC;AACZ,QAL4C,EAKtC,IALsC,EAKhC;AACZ,QAN4C,EAMtC,IANsC,EAMhC,IANgC,EAM1B,IAN0B,EAO5C,IAP4C,EAOtC,IAPsC,EAOhC,IAPgC,EAO1B,IAP0B,EAQ5C,IAR4C,EAQtC,IARsC,EAQhC,IARgC,EAQ1B,IAR0B,EAQpB;AACvB8C,SAAK,IAAI,CAAV,GAAe,IAT6B,EAU5CA,KAAK,GAAG,IAVoC,EAU9B;AACbE,UAAM,IAAI,CAAX,GAAgB,IAX4B,EAY5CA,MAAM,GAAG,IAZmC,EAY7B;AACf,QAb4C,EAatC,IAbsC,EAahC,IAbgC,EAa1B,IAb0B,EAapB;AACxB,QAd4C,EActC,IAdsC,EAchC,IAdgC,EAc1B,IAd0B,EAcpB;AACxB,QAf4C,EAetC,IAfsC,EAehC,IAfgC,EAe1B,IAf0B,EAepB;AACxB,QAhB4C,EAgBtC,IAhBsC,EAgBhC;AACZ,QAjB4C,EAkB5C,IAlB4C,EAkBtC,IAlBsC,EAkBhC,IAlBgC,EAkB1B,IAlB0B,EAkBpB;AACxB,QAnB4C,EAmBtC,IAnBsC,EAmBhC,IAnBgC,EAmB1B,IAnB0B,EAoB5C,IApB4C,EAoBtC,IApBsC,EAoBhC,IApBgC,EAoB1B,IApB0B,EAqB5C,IArB4C,EAqBtC,IArBsC,EAqBhC,IArBgC,EAqB1B,IArB0B,EAsB5C,IAtB4C,EAsBtC,IAtBsC,EAsBhC,IAtBgC,EAsB1B,IAtB0B,EAuB5C,IAvB4C,EAuBtC,IAvBsC,EAuBhC,IAvBgC,EAuB1B,IAvB0B,EAwB5C,IAxB4C,EAwBtC,IAxBsC,EAwBhC,IAxBgC,EAwB1B,IAxB0B,EAyB5C,IAzB4C,EAyBtC,IAzBsC,EAyBhC,IAzBgC,EAyB1B;AAClB,QA1B4C,EA0BtC,IA1BsC,EA0BhC;AACZ,QA3B4C,EA2BtC,IA3BsC,CAAf,CAAxB,EA2BS;AAChB45D,QA5BO,EA6BPrD,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUG,IAAlB,EAAwB,IAAI55D,UAAJ,CAAe,CACrC,IADqC,EAC/B,IAD+B,EACzB,IADyB,EACnB,IADmB,EACb;AACxB,QAFqC,EAE/B,IAF+B,EAEzB,IAFyB,EAEnB,IAFmB,EAEb;AACxB,QAHqC,EAG/B,IAH+B,EAGzB,IAHyB,EAGnB,IAHmB,CAAf,CAAxB,CA7BO,EAgCsB;AAC7Bu5D,OAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUgB,IAAlB,EAAwB,IAAIz6D,UAAJ,CAAe,CACpC68D,QAAQ,IAAI,EADwB,EACnB;AACjBA,YAAQ,IAAI,EAAb,GAAmB,IAFkB,EAGpCA,QAAQ,IAAI,CAAb,GAAkB,IAHmB,EAIrCA,QAAQ,GAAG,IAJ0B,EAKpCC,QAAQ,IAAI,EALwB,EAKnB;AACjBA,YAAQ,IAAI,EAAb,GAAmB,IANkB,EAOpCA,QAAQ,IAAI,CAAb,GAAkB,IAPmB,EAQrCA,QAAQ,GAAG,IAR0B,CAAf,CAAxB,CAjCO,CAAP;AA2CD,G;;MAEM/C,I,GAAP,cAAan+D,KAAb,EAAoB;AAClB,QAAImhE,SAAS,GAAGnhE,KAAK,CAAC5D,MAAN,CAAa3C,MAA7B;AACA,WAAO,IAAI2K,UAAJ,CAAe,CACpB,IADoB,EACd;AACN,QAFoB,EAEd,IAFc,EAER,IAFQ,EAEF;AAElB,QAJoB,EAId;AACN,WAAO+8D,SALa,EAKF;AAClB,QANoB,EAMd,IANc,EAMR;AACZ,QAPoB,EAOd;AAEN,QAToB,EASd;AACN,WAAOA,SAVa,EAUF;AAClB,QAXoB,EAWd;AACN,QAZoB,EAYd;AACN,QAboB,EAad,IAbc,EAaR,IAbQ,EAaF;AAClB,QAdoB,EAcd,IAdc,EAcR,IAdQ,EAcF,IAdE,EAcI;AACxB,QAfoB,EAed,IAfc,EAeR,IAfQ,EAeF,IAfE,EAeI;AAExB,QAjBoB,CAiBf;AAjBe,MAkBpBjoD,MAlBoB,CAkBb,CAACioD,SAAD,CAlBa,EAkBAjoD,MAlBA,CAkBOlZ,KAAK,CAAC5D,MAlBb,EAkBqB8c,MAlBrB,CAkB4B,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,CAlB5B,CAAf,CAAP,CAFkB,CAoBsD;AACzE,G;;MAEMwlD,I,GAAP,cAAa1+D,KAAb,EAAoB;AAClB,QAAIZ,UAAU,GAAGY,KAAK,CAACZ,UAAvB;AACA,WAAOu+D,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUa,IAAlB,EAAwB,IAAIt6D,UAAJ,CAAe,CAC5C,IAD4C,EACtC,IADsC,EAChC,IADgC,EAC1B;AAClB,QAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AAClB,QAH4C,EAGtC,IAHsC,EAGhC;AACZ,QAJ4C,EAItC,IAJsC,EAIhC,IAJgC,EAI1B,IAJ0B,EAK5C,IAL4C,EAKtC,IALsC,EAKhC,IALgC,EAK1B,IAL0B,EAKpB;AACxB,QAN4C,EAMtCpE,KAAK,CAACX,YANgC,EAMlB;AAC1B,QAP4C,EAOtC,IAPsC,EAOhC;AACZ,QAR4C,EAQtC,IARsC,EAQhC,IARgC,EAQ1B,IAR0B,EAQpB;AACvBD,cAAU,IAAI,CAAf,GAAoB,IATwB,EAU5CA,UAAU,GAAG,IAV+B,EAUzB;AACnB,QAX4C,EAWtC,IAXsC,CAAf,CAAxB,EAYPu+D,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUM,IAAlB,EAAwBR,GAAG,CAACQ,IAAJ,CAASn+D,KAAT,CAAxB,CAZO,CAAP;AAaD,G;;MAEM2M,G,GAAP,aAAY3M,KAAZ,EAAmB;AACjB,QAAIZ,UAAU,GAAGY,KAAK,CAACZ,UAAvB;AACA,WAAOu+D,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAU,MAAV,CAAR,EAA2B,IAAIz5D,UAAJ,CAAe,CAC/C,IAD+C,EACzC,IADyC,EACnC,IADmC,EAC7B;AAClB,QAF+C,EAEzC,IAFyC,EAEnC,IAFmC,EAE7B;AAClB,QAH+C,EAGzC,IAHyC,EAGnC;AACZ,QAJ+C,EAIzC,IAJyC,EAInC,IAJmC,EAI7B,IAJ6B,EAK/C,IAL+C,EAKzC,IALyC,EAKnC,IALmC,EAK7B,IAL6B,EAKvB;AACxB,QAN+C,EAMzCpE,KAAK,CAACX,YANmC,EAMrB;AAC1B,QAP+C,EAOzC,IAPyC,EAOnC;AACZ,QAR+C,EAQzC,IARyC,EAQnC,IARmC,EAQ7B,IAR6B,EAQvB;AACvBD,cAAU,IAAI,CAAf,GAAoB,IAT2B,EAU/CA,UAAU,GAAG,IAVkC,EAU5B;AACnB,QAX+C,EAWzC,IAXyC,CAAf,CAA3B,CAAP;AAYD,G;;MAEM8/D,I,GAAP,cAAal/D,KAAb,EAAoB;AAClB,QAAIA,KAAK,CAACnC,IAAN,KAAe,OAAnB,EAA4B;AAC1B,UAAI,CAACmC,KAAK,CAAC0B,KAAP,IAAgB1B,KAAK,CAACV,KAAN,KAAgB,KAApC,EAA2C;AACzC,eAAOq+D,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUqB,IAAlB,EAAwBvB,GAAG,CAACuC,IAA5B,EAAkCvC,GAAG,CAAChxD,GAAJ,CAAQ3M,KAAR,CAAlC,CAAP;AACD;;AAED,aAAO29D,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUqB,IAAlB,EAAwBvB,GAAG,CAACuC,IAA5B,EAAkCvC,GAAG,CAACe,IAAJ,CAAS1+D,KAAT,CAAlC,CAAP;AACD,KAND,MAMO;AACL,aAAO29D,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUqB,IAAlB,EAAwBvB,GAAG,CAACuC,IAA5B,EAAkCvC,GAAG,CAACG,IAAJ,CAAS99D,KAAT,CAAlC,CAAP;AACD;AACF,G;;MAEMsa,I,GAAP,cAAata,KAAb,EAAoB;AAClB,QAAIwB,EAAE,GAAGxB,KAAK,CAACwB,EAAf;AAAA,QACEH,QAAQ,GAAGrB,KAAK,CAACqB,QAAN,GAAiBrB,KAAK,CAACyZ,SADpC;AAAA,QAEEvS,KAAK,GAAGlH,KAAK,CAACkH,KAFhB;AAAA,QAGEE,MAAM,GAAGpH,KAAK,CAACoH,MAHjB;AAAA,QAIEq5D,iBAAiB,GAAGn8D,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAI2W,UAAU,GAAG,CAAjB,CAAnB,CAJtB;AAAA,QAKE0oD,iBAAiB,GAAGp8D,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAI2W,UAAU,GAAG,CAAjB,CAAnB,CALtB;AAMA,WAAO2lD,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUvjD,IAAlB,EAAwB,IAAIlW,UAAJ,CAAe,CAC5C,IAD4C,EACtC;AACN,QAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AAClB,QAH4C,EAGtC,IAHsC,EAGhC,IAHgC,EAG1B,IAH0B,EAGpB,IAHoB,EAGd,IAHc,EAGR,IAHQ,EAGF,IAHE,EAGI;AAChD,QAJ4C,EAItC,IAJsC,EAIhC,IAJgC,EAI1B,IAJ0B,EAIpB,IAJoB,EAId,IAJc,EAIR,IAJQ,EAIF,IAJE,EAII;AAC/C5C,MAAE,IAAI,EAAP,GAAa,IAL+B,EAM3CA,EAAE,IAAI,EAAP,GAAa,IAN+B,EAO3CA,EAAE,IAAI,CAAP,GAAY,IAPgC,EAQ5CA,EAAE,GAAG,IARuC,EAQjC;AACX,QAT4C,EAStC,IATsC,EAShC,IATgC,EAS1B,IAT0B,EASpB;AACvBi/D,qBAAiB,IAAI,EAVsB,EAW3CA,iBAAiB,IAAI,EAAtB,GAA4B,IAXgB,EAY3CA,iBAAiB,IAAI,CAAtB,GAA2B,IAZiB,EAa5CA,iBAAiB,GAAG,IAbwB,EAc3CC,iBAAiB,IAAI,EAdsB,EAe3CA,iBAAiB,IAAI,EAAtB,GAA4B,IAfgB,EAgB3CA,iBAAiB,IAAI,CAAtB,GAA2B,IAhBiB,EAiB5CA,iBAAiB,GAAG,IAjBwB,EAkB5C,IAlB4C,EAkBtC,IAlBsC,EAkBhC,IAlBgC,EAkB1B,IAlB0B,EAmB5C,IAnB4C,EAmBtC,IAnBsC,EAmBhC,IAnBgC,EAmB1B,IAnB0B,EAmBpB;AACxB,QApB4C,EAoBtC,IApBsC,EAoBhC;AACZ,QArB4C,EAqBtC,IArBsC,EAqBhC;AACZ,QAtB4C,EAsBtC,IAtBsC,EAsBhC;AACZ,QAvB4C,EAuBtC,IAvBsC,EAuBhC;AACZ,QAxB4C,EAwBtC,IAxBsC,EAwBhC,IAxBgC,EAwB1B,IAxB0B,EAyB5C,IAzB4C,EAyBtC,IAzBsC,EAyBhC,IAzBgC,EAyB1B,IAzB0B,EA0B5C,IA1B4C,EA0BtC,IA1BsC,EA0BhC,IA1BgC,EA0B1B,IA1B0B,EA2B5C,IA3B4C,EA2BtC,IA3BsC,EA2BhC,IA3BgC,EA2B1B,IA3B0B,EA4B5C,IA5B4C,EA4BtC,IA5BsC,EA4BhC,IA5BgC,EA4B1B,IA5B0B,EA6B5C,IA7B4C,EA6BtC,IA7BsC,EA6BhC,IA7BgC,EA6B1B,IA7B0B,EA8B5C,IA9B4C,EA8BtC,IA9BsC,EA8BhC,IA9BgC,EA8B1B,IA9B0B,EA+B5C,IA/B4C,EA+BtC,IA/BsC,EA+BhC,IA/BgC,EA+B1B,IA/B0B,EAgC5C,IAhC4C,EAgCtC,IAhCsC,EAgChC,IAhCgC,EAgC1B,IAhC0B,EAgCpB;AACvBx5D,SAAK,IAAI,CAAV,GAAe,IAjC6B,EAkC5CA,KAAK,GAAG,IAlCoC,EAmC5C,IAnC4C,EAmCtC,IAnCsC,EAmChC;AACXE,UAAM,IAAI,CAAX,GAAgB,IApC4B,EAqC5CA,MAAM,GAAG,IArCmC,EAsC5C,IAtC4C,EAsCtC,IAtCsC,CAsCjC;AAtCiC,KAAf,CAAxB,CAAP;AAwCD,G;;MAEM8T,I,GAAP,cAAalb,KAAb,EAAoByb,mBAApB,EAAyC;AACvC,QAAI2lD,qBAAqB,GAAGzD,GAAG,CAACmB,IAAJ,CAAS9+D,KAAT,CAA5B;AAAA,QACEwB,EAAE,GAAGxB,KAAK,CAACwB,EADb;AAAA,QAEE6/D,4BAA4B,GAAG/8D,IAAI,CAACkE,KAAL,CAAWiT,mBAAmB,IAAIzD,UAAU,GAAG,CAAjB,CAA9B,CAFjC;AAAA,QAGEspD,4BAA4B,GAAGh9D,IAAI,CAACkE,KAAL,CAAWiT,mBAAmB,IAAIzD,UAAU,GAAG,CAAjB,CAA9B,CAHjC;AAIA,WAAO2lD,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAU3iD,IAAlB,EACLyiD,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAU1iD,IAAlB,EAAwB,IAAI/W,UAAJ,CAAe,CACrC,IADqC,EAC/B;AACN,QAFqC,EAE/B,IAF+B,EAEzB,IAFyB,EAEnB;AACjB5C,MAAE,IAAI,EAH8B,EAIpCA,EAAE,IAAI,EAAP,GAAa,IAJwB,EAKpCA,EAAE,IAAI,CAAP,GAAY,IALyB,EAMpCA,EAAE,GAAG,IAN+B,CAAf,CAAxB,CADK,EASLm8D,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUviD,IAAlB,EAAwB,IAAIlX,UAAJ,CAAe,CACrC,IADqC,EAC/B;AACN,QAFqC,EAE/B,IAF+B,EAEzB,IAFyB,EAEnB;AACjBi9D,gCAA4B,IAAI,EAHI,EAIpCA,4BAA4B,IAAI,EAAjC,GAAuC,IAJF,EAKpCA,4BAA4B,IAAI,CAAjC,GAAsC,IALD,EAMpCA,4BAA4B,GAAG,IANK,EAOpCC,4BAA4B,IAAI,EAPI,EAQpCA,4BAA4B,IAAI,EAAjC,GAAuC,IARF,EASpCA,4BAA4B,IAAI,CAAjC,GAAsC,IATD,EAUpCA,4BAA4B,GAAG,IAVK,CAAf,CAAxB,CATK,EAqBL3D,GAAG,CAAC0B,IAAJ,CAASr/D,KAAT,EACEohE,qBAAqB,CAAC3nE,MAAtB,GACY,EADZ,GACiB;AACL,MAFZ,GAEiB;AACL,KAHZ,GAGgB;AACJ,MAJZ,GAIiB;AACL,KALZ,GAKgB;AACJ,KAPd,CArBK,EA4Ba;AAClB2nE,yBA7BK,CAAP;AA8BD;AAED;;;;;;;MAKO/mD,I,GAAP,cAAara,KAAb,EAAoB;AAClBA,SAAK,CAACqB,QAAN,GAAiBrB,KAAK,CAACqB,QAAN,IAAkB,UAAnC;AACA,WAAOs8D,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUxjD,IAAlB,EAAwBsjD,GAAG,CAACrjD,IAAJ,CAASta,KAAT,CAAxB,EAAyC29D,GAAG,CAACW,IAAJ,CAASt+D,KAAT,CAAzC,CAAP;AACD,G;;MAEMs/D,I,GAAP,cAAat/D,KAAb,EAAoB;AAClB,QAAIwB,EAAE,GAAGxB,KAAK,CAACwB,EAAf;AACA,WAAOm8D,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUyB,IAAlB,EAAwB,IAAIl7D,UAAJ,CAAe,CAC5C,IAD4C,EACtC;AACN,QAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AACjB5C,MAAE,IAAI,EAHqC,EAI3CA,EAAE,IAAI,EAAP,GAAa,IAJ+B,EAK3CA,EAAE,IAAI,CAAP,GAAY,IALgC,EAM3CA,EAAE,GAAG,IANsC,EAM/B;AACb,QAP4C,EAOtC,IAPsC,EAOhC,IAPgC,EAO1B,IAP0B,EAOpB;AACxB,QAR4C,EAQtC,IARsC,EAQhC,IARgC,EAQ1B,IAR0B,EAQpB;AACxB,QAT4C,EAStC,IATsC,EAShC,IATgC,EAS1B,IAT0B,EASpB;AACxB,QAV4C,EAUtC,IAVsC,EAUhC,IAVgC,EAU1B,IAV0B,CAUrB;AAVqB,KAAf,CAAxB,CAAP;AAYD,G;;MAEM69D,I,GAAP,cAAar/D,KAAb,EAAoBxG,MAApB,EAA4B;AAC1B,QAAIqH,OAAO,GAAGb,KAAK,CAACa,OAAN,IAAiB,EAA/B;AAAA,QACEc,GAAG,GAAGd,OAAO,CAACpH,MADhB;AAAA,QAEE8nE,QAAQ,GAAG,KAAM,KAAK5/D,GAFxB;AAAA,QAGEuP,KAAK,GAAG,IAAI9M,UAAJ,CAAem9D,QAAf,CAHV;AAAA,QAIEnpE,CAJF;AAAA,QAIK2I,MAJL;AAAA,QAIaM,QAJb;AAAA,QAIuBwD,IAJvB;AAAA,QAI6B+7D,KAJ7B;AAAA,QAIoCY,GAJpC;AAKAhoE,UAAM,IAAI,IAAI+nE,QAAd;AACArwD,SAAK,CAAC1M,GAAN,CAAU,CACR,IADQ,EACF;AACN,QAFQ,EAEF,IAFE,EAEI,IAFJ,EAEU;AACjB7C,OAAG,KAAK,EAAT,GAAe,IAHP,EAIPA,GAAG,KAAK,EAAT,GAAe,IAJP,EAKPA,GAAG,KAAK,CAAT,GAAc,IALN,EAMRA,GAAG,GAAG,IANE,EAMI;AACXnI,UAAM,KAAK,EAAZ,GAAkB,IAPV,EAQPA,MAAM,KAAK,EAAZ,GAAkB,IARV,EASPA,MAAM,KAAK,CAAZ,GAAiB,IATT,EAURA,MAAM,GAAG,IAVD,CAUM;AAVN,KAAV,EAWG,CAXH;;AAYA,SAAKpB,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGuJ,GAAhB,EAAqBvJ,CAAC,EAAtB,EAA0B;AACxB2I,YAAM,GAAGF,OAAO,CAACzI,CAAD,CAAhB;AACAiJ,cAAQ,GAAGN,MAAM,CAACM,QAAlB;AACAwD,UAAI,GAAG9D,MAAM,CAAC8D,IAAd;AACA+7D,WAAK,GAAG7/D,MAAM,CAAC6/D,KAAf;AACAY,SAAG,GAAGzgE,MAAM,CAACygE,GAAb;AACAtwD,WAAK,CAAC1M,GAAN,CAAU,CACPnD,QAAQ,KAAK,EAAd,GAAoB,IADZ,EAEPA,QAAQ,KAAK,EAAd,GAAoB,IAFZ,EAGPA,QAAQ,KAAK,CAAd,GAAmB,IAHX,EAIRA,QAAQ,GAAG,IAJH,EAIS;AAChBwD,UAAI,KAAK,EAAV,GAAgB,IALR,EAMPA,IAAI,KAAK,EAAV,GAAgB,IANR,EAOPA,IAAI,KAAK,CAAV,GAAe,IAPP,EAQRA,IAAI,GAAG,IARC,EAQK;AACZ+7D,WAAK,CAACa,SAAN,IAAmB,CAApB,GAAyBb,KAAK,CAACC,SATvB,EAUPD,KAAK,CAACE,YAAN,IAAsB,CAAvB,GACGF,KAAK,CAACG,aAAN,IAAuB,CAD1B,GAEGH,KAAK,CAACc,YAAN,IAAsB,CAFzB,GAGEd,KAAK,CAACe,SAbA,EAcRf,KAAK,CAACgB,UAAN,GAAmB,QAAQ,CAdnB,EAeRhB,KAAK,CAACgB,UAAN,GAAmB,IAfX,EAeiB;AACxBJ,SAAG,KAAK,EAAT,GAAe,IAhBP,EAiBPA,GAAG,KAAK,EAAT,GAAe,IAjBP,EAkBPA,GAAG,KAAK,CAAT,GAAc,IAlBN,EAmBRA,GAAG,GAAG,IAnBE,CAmBG;AAnBH,OAAV,EAoBG,KAAK,KAAKppE,CApBb;AAqBD;;AACD,WAAOulE,GAAG,CAAC4C,GAAJ,CAAQ5C,GAAG,CAACE,KAAJ,CAAUwB,IAAlB,EAAwBnuD,KAAxB,CAAP;AACD,G;;MAEM/P,W,GAAP,qBAAoBkX,MAApB,EAA4B;AAC1B,QAAI,CAACslD,GAAG,CAACE,KAAT,EAAgB;AACdF,SAAG,CAACC,IAAJ;AACD;;AAED,QAAIiE,KAAK,GAAGlE,GAAG,CAACvkD,IAAJ,CAASf,MAAT,CAAZ;AAAA,QAA8B9a,MAA9B;AACAA,UAAM,GAAG,IAAI6G,UAAJ,CAAeu5D,GAAG,CAAC2C,IAAJ,CAASnpE,UAAT,GAAsB0qE,KAAK,CAAC1qE,UAA3C,CAAT;AACAoG,UAAM,CAACiH,GAAP,CAAWm5D,GAAG,CAAC2C,IAAf;AACA/iE,UAAM,CAACiH,GAAP,CAAWq9D,KAAX,EAAkBlE,GAAG,CAAC2C,IAAJ,CAASnpE,UAA3B;AACA,WAAOoG,MAAP;AACD,G;;;;;AAGYogE,qDAAf,E;;;;;;;;;;;;;;AC5oBA;AAAA;;;AAIA;AACA;AAEA;AACA;AAEA;AAEA;AAEA,IAAMmE,+BAA+B,GAAGrR,0DAA0B,CAAC,EAAD,CAAlE;AACA,IAAMsR,6BAA6B,GAAGtR,0DAA0B,CAAC,GAAD,CAAhE;;IAEMx8C,sB;;;AACJ,sBAAa9X,QAAb,EAAuBC,MAAvB,EAA+BoN,aAA/B,EAA8C2J,MAA9C,EAAsD;AACpD,SAAKhX,QAAL,GAAgBA,QAAhB;AACA,SAAKC,MAAL,GAAcA,MAAd;AACA,SAAKoN,aAAL,GAAqBA,aAArB;AACA,QAAM7K,SAAS,GAAGC,SAAS,CAACD,SAA5B;AACA,SAAKqjE,QAAL,GAAgB7uD,MAAM,IAAIA,MAAM,CAAChU,OAAP,CAAe,OAAf,IAA0B,CAAC,CAArC,IAA0CR,SAA1C,IAAuD,CAACA,SAAS,CAACkmB,KAAV,CAAgB,OAAhB,CAAxE;AACA,SAAKo9C,WAAL,GAAmB,KAAnB;AACD;;;;SAEDnmE,O,GAAA,mBAAW,CACV,C;;SAED+F,c,GAAA,wBAAgBqgE,gBAAhB,EAAkC;AAChC,SAAKj1D,QAAL,GAAgB,KAAKC,QAAL,GAAgBg1D,gBAAhC;AACD,G;;SAEDhhE,gB,GAAA,4BAAoB;AAClB,SAAK+gE,WAAL,GAAmB,KAAnB;AACD,G;;SAEDv/D,K,GAAA,eAAOwI,UAAP,EAAmB4B,UAAnB,EAA+B3B,QAA/B,EAAyC4B,SAAzC,EAAoD5K,UAApD,EAAgEC,UAAhE,EAA4EC,kBAA5E,EAAgG;AAC9F;AACA,QAAI,CAAC,KAAK4/D,WAAV,EAAuB;AACrB,WAAKE,UAAL,CAAgBj3D,UAAhB,EAA4B4B,UAA5B,EAAwC3K,UAAxC;AACD;;AAED,QAAI,KAAK8/D,WAAT,EAAsB;AACpB,UAAMG,cAAc,GAAGl3D,UAAU,CAACrK,OAAX,CAAmBpH,MAA1C;AACA,UAAM4oE,cAAc,GAAGv1D,UAAU,CAACjM,OAAX,CAAmBpH,MAA1C;AACA,UAAI6oE,eAAe,GAAGngE,UAAtB;AACA,UAAIogE,eAAe,GAAGpgE,UAAtB;;AACA,UAAIigE,cAAc,IAAIC,cAAtB,EAAsC;AACpC;AACA;AACA;AACA;AACA,YAAIG,kBAAkB,GAAG,CAACt3D,UAAU,CAACrK,OAAX,CAAmB,CAAnB,EAAsBV,GAAtB,GAA4B2M,UAAU,CAACjM,OAAX,CAAmB,CAAnB,EAAsBV,GAAnD,IAA0D2M,UAAU,CAAClL,cAA9F;AACA0gE,uBAAe,IAAIh+D,IAAI,CAACoX,GAAL,CAAS,CAAT,EAAY8mD,kBAAZ,CAAnB;AACAD,uBAAe,IAAIj+D,IAAI,CAACoX,GAAL,CAAS,CAAT,EAAY,CAAC8mD,kBAAb,CAAnB;AACD,OAbmB,CAcpB;AACA;AACA;;;AACA,UAAIJ,cAAJ,EAAoB;AAClB;AACA,YAAI,CAACl3D,UAAU,CAACuO,SAAhB,EAA2B;AACzB3c,0BAAM,CAACgN,IAAP,CAAY,0CAAZ;AACA,eAAKq4D,UAAL,CAAgBj3D,UAAhB,EAA4B4B,UAA5B,EAAwC3K,UAAxC;AACD;;AACD,YAAIuJ,SAAS,GAAG,KAAK+2D,UAAL,CAAgBv3D,UAAhB,EAA4Bo3D,eAA5B,EAA6ClgE,UAA7C,EAAyDC,kBAAzD,CAAhB,CANkB,CAOlB;;AACA,YAAIggE,cAAJ,EAAoB;AAClB,cAAIK,gBAAJ;;AACA,cAAIh3D,SAAJ,EAAe;AACbg3D,4BAAgB,GAAGh3D,SAAS,CAACmmB,MAAV,GAAmBnmB,SAAS,CAAC+G,QAAhD;AACD,WAJiB,CAMlB;;;AACA,cAAI,CAAC3F,UAAU,CAAC2M,SAAhB,EAA2B;AACzB3c,4BAAM,CAACgN,IAAP,CAAY,0CAAZ;AACA,iBAAKq4D,UAAL,CAAgBj3D,UAAhB,EAA4B4B,UAA5B,EAAwC3K,UAAxC;AACD;;AACD,eAAKwgE,UAAL,CAAgB71D,UAAhB,EAA4By1D,eAA5B,EAA6CngE,UAA7C,EAAyDsgE,gBAAzD,EAA2ErgE,kBAA3E;AACD;AACF,OArBD,MAqBO;AACL;AACA,YAAIggE,cAAJ,EAAoB;AAClB,cAAIO,SAAS,GAAG,KAAKD,UAAL,CAAgB71D,UAAhB,EAA4By1D,eAA5B,EAA6CngE,UAA7C,EAAyD,CAAzD,EAA4DC,kBAA5D,CAAhB;;AACA,cAAIugE,SAAS,IAAI13D,UAAU,CAAC5L,KAA5B,EAAmC;AACjC,iBAAKujE,eAAL,CAAqB33D,UAArB,EAAiCo3D,eAAjC,EAAkDlgE,UAAlD,EAA8DwgE,SAA9D;AACD;AACF;AACF;AACF,KArD6F,CAsD9F;;;AACA,QAAIz3D,QAAQ,CAACtK,OAAT,CAAiBpH,MAArB,EAA6B;AAC3B,WAAKqpE,QAAL,CAAc33D,QAAd,EAAwBhJ,UAAxB;AACD,KAzD6F,CA2D9F;;;AACA,QAAI4K,SAAS,CAAClM,OAAV,CAAkBpH,MAAtB,EAA8B;AAC5B,WAAKspE,SAAL,CAAeh2D,SAAf,EAA0B5K,UAA1B;AACD,KA9D6F,CAgE9F;;;AACA,SAAKhG,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACmV,WAA5B;AACD,G;;SAEDqvD,U,GAAA,oBAAYj3D,UAAZ,EAAwB4B,UAAxB,EAAoC3K,UAApC,EAAgD;AAC9C,QAAIhG,QAAQ,GAAG,KAAKA,QAApB;AAAA,QACE6mE,YAAY,GAAG93D,UAAU,CAACrK,OAD5B;AAAA,QAEEoiE,YAAY,GAAGn2D,UAAU,CAACjM,OAF5B;AAAA,QAGE2I,aAAa,GAAG,KAAKA,aAHvB;AAAA,QAIEjI,SAAS,GAAG,WAJd;AAAA,QAKE8W,MAAM,GAAG,EALX;AAAA,QAME3hB,IAAI,GAAG;AAAE2hB,YAAM,EAAEA;AAAV,KANT;AAAA,QAOE6qD,aAAa,GAAI,KAAKj2D,QAAL,KAAkBlR,SAPrC;AAAA,QAQEmc,OARF;AAAA,QAQWirD,OARX;AAAA,QAQoB1pD,SARpB;;AAUA,QAAIypD,aAAJ,EAAmB;AACjBhrD,aAAO,GAAGirD,OAAO,GAAGj/C,QAApB;AACD;;AAED,QAAIhZ,UAAU,CAAC9O,MAAX,IAAqB4mE,YAAY,CAACvpE,MAAtC,EAA8C;AAC5C;AACA;AACA;AACA;AACAyR,gBAAU,CAACuO,SAAX,GAAuBvO,UAAU,CAAC9L,UAAlC;AACAtC,sBAAM,CAACC,GAAP,4BAAoCmO,UAAU,CAAC9L,UAA/C;;AACA,UAAI,CAAC8L,UAAU,CAACxJ,KAAhB,EAAuB;AACrB,YAAI8H,aAAa,CAACkD,IAAlB,EAAwB;AAAE;AACxBnL,mBAAS,GAAG,YAAZ;AACA2J,oBAAU,CAAC5L,KAAX,GAAmB,EAAnB;AACD,SAHD,MAGO,IAAIkK,aAAa,CAACmD,GAAlB,EAAuB;AAAE;AAC9BzB,oBAAU,CAAC5L,KAAX,GAAmB,KAAnB;AACD;AACF;;AACD+Y,YAAM,CAACjP,KAAP,GAAe;AACb7H,iBAAS,EAAEA,SADE;AAEbjC,aAAK,EAAE4L,UAAU,CAAC5L,KAFL;AAGb6B,mBAAW,EAAE,CAAC+J,UAAU,CAACxJ,KAAZ,IAAqB8H,aAAa,CAACkD,IAAnC,GAA0C,IAAItI,UAAJ,EAA1C,GAA6Du5D,aAAG,CAACx8D,WAAJ,CAAgB,CAAC+J,UAAD,CAAhB,CAH7D;AAIbo8B,gBAAQ,EAAE;AACRjoC,sBAAY,EAAE6L,UAAU,CAAC7L;AADjB;AAJG,OAAf;;AAQA,UAAI6jE,aAAJ,EAAmB;AACjBzpD,iBAAS,GAAGvO,UAAU,CAACtJ,cAAvB,CADiB,CAEjB;;AACAsW,eAAO,GAAGirD,OAAO,GAAGH,YAAY,CAAC,CAAD,CAAZ,CAAgB7iE,GAAhB,GAAsBmE,IAAI,CAAC6J,KAAL,CAAWsL,SAAS,GAAGtX,UAAvB,CAA1C;AACD;AACF;;AAED,QAAI2K,UAAU,CAAC4B,GAAX,IAAkB5B,UAAU,CAAC+D,GAA7B,IAAoCoyD,YAAY,CAACxpE,MAArD,EAA6D;AAC3D;AACA;AACA,UAAMmI,cAAc,GAAGkL,UAAU,CAAClL,cAAlC;AACAkL,gBAAU,CAAC2M,SAAX,GAAuB7X,cAAvB;AACAyW,YAAM,CAAClP,KAAP,GAAe;AACb5H,iBAAS,EAAE,WADE;AAEbjC,aAAK,EAAEwN,UAAU,CAACxN,KAFL;AAGb6B,mBAAW,EAAEw8D,aAAG,CAACx8D,WAAJ,CAAgB,CAAC2L,UAAD,CAAhB,CAHA;AAIbw6B,gBAAQ,EAAE;AACRpgC,eAAK,EAAE4F,UAAU,CAAC5F,KADV;AAERE,gBAAM,EAAE0F,UAAU,CAAC1F;AAFX;AAJG,OAAf;;AASA,UAAI87D,aAAJ,EAAmB;AACjBzpD,iBAAS,GAAG3M,UAAU,CAAClL,cAAvB;AACAsW,eAAO,GAAG5T,IAAI,CAACC,GAAL,CAAS2T,OAAT,EAAkB+qD,YAAY,CAAC,CAAD,CAAZ,CAAgB9iE,GAAhB,GAAsByB,cAAc,GAAGO,UAAzD,CAAV;AACAghE,eAAO,GAAG7+D,IAAI,CAACC,GAAL,CAAS4+D,OAAT,EAAkBF,YAAY,CAAC,CAAD,CAAZ,CAAgBriE,GAAhB,GAAsBgB,cAAc,GAAGO,UAAzD,CAAV;AACA,aAAKhG,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAAC4X,cAA5B,EAA4C;AAAE2C,iBAAO,EAAEA,OAAX;AAAoBuB,mBAAS,EAATA;AAApB,SAA5C;AACD;AACF;;AAED,QAAI0X,MAAM,CAACM,IAAP,CAAYpZ,MAAZ,EAAoB5e,MAAxB,EAAgC;AAC9B0C,cAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAACyX,yBAAvB,EAAkD1e,IAAlD;AACA,WAAKurE,WAAL,GAAmB,IAAnB;;AACA,UAAIiB,aAAJ,EAAmB;AACjB,aAAKj2D,QAAL,GAAgBiL,OAAhB;AACA,aAAKhL,QAAL,GAAgBi2D,OAAhB;AACD;AACF,KAPD,MAOO;AACLhnE,cAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,YAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,eAAO,EAAEC,sBAAY,CAACe,kBAAtD;AAA0Eb,aAAK,EAAE,KAAjF;AAAwFC,cAAM,EAAE;AAAhG,OAA9B;AACD;AACF,G;;SAEDukE,U,GAAA,oBAAY3iE,KAAZ,EAAmBmC,UAAnB,EAA+BC,UAA/B,EAA2CsgE,gBAA3C,EAA6DrgE,kBAA7D,EAAiF;AAC/E,QAAI7I,MAAM,GAAG,CAAb;AACA,QAAI4pE,iBAAJ;AACA,QAAI/E,IAAJ;AACA,QAAII,IAAJ;AACA,QAAI4E,QAAJ;AACA,QAAIC,QAAJ;AACA,QAAIC,OAAJ;AACA,QAAIC,OAAJ;AACA,QAAMC,SAAS,GAAGzjE,KAAK,CAACyZ,SAAxB;AACA,QAAMiqD,YAAY,GAAG1jE,KAAK,CAACa,OAA3B;AACA,QAAM8iE,aAAa,GAAG,EAAtB;AACA,QAAMr1D,SAAS,GAAGo1D,YAAY,CAACjqE,MAA/B;AACA,QAAMmqE,YAAY,GAAG,KAAKC,aAA1B;AACA,QAAM3rD,OAAO,GAAG,KAAKjL,QAArB,CAd+E,CAgB/E;;AACA,QAAI62D,UAAU,GAAG,KAAKA,UAAtB;AAEA,QAAM9B,QAAQ,GAAG,KAAKA,QAAtB;;AAEA,QAAI1zD,SAAS,KAAK,CAAlB,EAAqB;AACnB;AACD,KAvB8E,CAyB/E;;;AACA,QAAI0zD,QAAJ,EAAc;AACZ;AACA;AACA;AACA;AACA;AACA5/D,gBAAU,IAAKshE,YAAY,CAACjqE,MAAb,IAAuBqqE,UAAvB,KACEzhE,kBAAkB,IAAIiC,IAAI,CAAC4N,GAAL,CAAS/P,UAAU,GAAG2hE,UAAU,GAAGL,SAAnC,IAAgD,GAAvE,IACAn/D,IAAI,CAAC4N,GAAL,CAAUwxD,YAAY,CAAC,CAAD,CAAZ,CAAgBvjE,GAAhB,GAAsB2jE,UAAtB,GAAmC5rD,OAA7C,IAAyDurD,SAAS,GAAG,CAFtE,CAAf;AAID;;AAED,QAAI,CAACrhE,UAAL,EAAiB;AACf;AACA0hE,gBAAU,GAAG3hE,UAAU,GAAGshE,SAA1B;AACD,KAzC8E,CA2C/E;AACA;;;AACAC,gBAAY,CAACx0D,OAAb,CAAqB,UAAUnO,MAAV,EAAkB;AACrCA,YAAM,CAACZ,GAAP,GAAayjE,YAAY,CAAC7iE,MAAM,CAACZ,GAAP,GAAa+X,OAAd,EAAuB4rD,UAAvB,CAAzB;AACA/iE,YAAM,CAACH,GAAP,GAAagjE,YAAY,CAAC7iE,MAAM,CAACH,GAAP,GAAasX,OAAd,EAAuB4rD,UAAvB,CAAzB;AACD,KAHD,EA7C+E,CAkD/E;;AACAJ,gBAAY,CAAChvC,IAAb,CAAkB,UAAUC,CAAV,EAAaplB,CAAb,EAAgB;AAChC,UAAMw0D,QAAQ,GAAGpvC,CAAC,CAAC/zB,GAAF,GAAQ2O,CAAC,CAAC3O,GAA3B;AACA,UAAMojE,QAAQ,GAAGrvC,CAAC,CAACx0B,GAAF,GAAQoP,CAAC,CAACpP,GAA3B;AACA,aAAO4jE,QAAQ,IAAKC,QAAQ,IAAKrvC,CAAC,CAACnzB,EAAF,GAAO+N,CAAC,CAAC/N,EAA1C;AACD,KAJD,EAnD+E,CAyD/E;;AACA,QAAIyiE,WAAW,GAAGP,YAAY,CAAC/uB,MAAb,CAAoB,UAACz6C,IAAD,EAAOgqE,IAAP;AAAA,aAAgB5/D,IAAI,CAACoX,GAAL,CAASpX,IAAI,CAACC,GAAL,CAASrK,IAAT,EAAegqE,IAAI,CAAC/jE,GAAL,GAAW+jE,IAAI,CAACtjE,GAA/B,CAAT,EAA8C,CAAC,CAAD,GAAKmhE,6BAAnD,CAAhB;AAAA,KAApB,EAAuH,CAAvH,CAAlB;;AACA,QAAIkC,WAAW,GAAG,CAAlB,EAAqB;AACnBnnE,sBAAM,CAACgN,IAAP,2DAAoEq6D,mDAAmB,CAACF,WAAD,EAAc,IAAd,CAAvF;;AACA,WAAK,IAAI7rE,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGsrE,YAAY,CAACjqE,MAAjC,EAAyCrB,CAAC,EAA1C,EAA8C;AAC5CsrE,oBAAY,CAACtrE,CAAD,CAAZ,CAAgBwI,GAAhB,IAAuBqjE,WAAvB;AACD;AACF,KAhE8E,CAkE/E;;;AACA,QAAIljE,MAAM,GAAG2iE,YAAY,CAAC,CAAD,CAAzB;AACAJ,YAAQ,GAAGh/D,IAAI,CAACoX,GAAL,CAAS3a,MAAM,CAACH,GAAhB,EAAqB,CAArB,CAAX;AACAyiE,YAAQ,GAAG/+D,IAAI,CAACoX,GAAL,CAAS3a,MAAM,CAACZ,GAAhB,EAAqB,CAArB,CAAX,CArE+E,CAuE/E;;AACA,QAAI64B,KAAK,GAAGsqC,QAAQ,GAAGQ,UAAvB,CAxE+E,CAyE/E;;AACA,QAAI1hE,UAAJ,EAAgB;AACd,UAAI42B,KAAJ,EAAW;AACT,YAAIA,KAAK,GAAG,CAAZ,EAAe;AACbl8B,0BAAM,CAACC,GAAP,WAAmBonE,mDAAmB,CAACnrC,KAAD,EAAQ,IAAR,CAAtC;AACD,SAFD,MAEO,IAAIA,KAAK,GAAG,CAAC,CAAb,EAAgB;AACrBl8B,0BAAM,CAACC,GAAP,WAAmBonE,mDAAmB,CAAC,CAACnrC,KAAF,EAAS,IAAT,CAAtC;AACD,SALQ,CAOT;;;AACAsqC,gBAAQ,GAAGQ,UAAX;AACAJ,oBAAY,CAAC,CAAD,CAAZ,CAAgB9iE,GAAhB,GAAsB0iE,QAAtB,CATS,CAUT;;AACAD,gBAAQ,GAAG/+D,IAAI,CAACoX,GAAL,CAAS2nD,QAAQ,GAAGrqC,KAApB,EAA2B8qC,UAA3B,CAAX;AACAJ,oBAAY,CAAC,CAAD,CAAZ,CAAgBvjE,GAAhB,GAAsBkjE,QAAtB;AACAvmE,wBAAM,CAACC,GAAP,+BAAuConE,mDAAmB,CAACd,QAAD,EAAW,IAAX,CAA1D,SAA8Ec,mDAAmB,CAACb,QAAD,EAAW,IAAX,CAAjG,iBAA6Ha,mDAAmB,CAACnrC,KAAD,EAAQ,IAAR,CAAhJ;AACD;AACF,KA1F8E,CA4F/E;;;AACAj4B,UAAM,GAAG2iE,YAAY,CAACA,YAAY,CAACjqE,MAAb,GAAsB,CAAvB,CAArB;AACA+pE,WAAO,GAAGl/D,IAAI,CAACoX,GAAL,CAAS3a,MAAM,CAACH,GAAhB,EAAqB,CAArB,CAAV;AACA2iE,WAAO,GAAGj/D,IAAI,CAACoX,GAAL,CAAS3a,MAAM,CAACZ,GAAhB,EAAqB,CAArB,EAAwBqjE,OAAxB,CAAV,CA/F+E,CAiG/E;AACA;AACA;;AACA,QAAIxB,QAAJ,EAAc;AACZoB,uBAAiB,GAAG9+D,IAAI,CAAC6J,KAAL,CAAW,CAACq1D,OAAO,GAAGF,QAAX,KAAwBI,YAAY,CAACjqE,MAAb,GAAsB,CAA9C,CAAX,CAApB;AACD;;AAED,QAAI2qE,MAAM,GAAG,CAAb;AAAA,QAAgBC,OAAO,GAAG,CAA1B;;AACA,SAAK,IAAIjsE,EAAC,GAAG,CAAb,EAAgBA,EAAC,GAAGkW,SAApB,EAA+BlW,EAAC,EAAhC,EAAoC;AAClC;AACA,UAAI2I,OAAM,GAAG2iE,YAAY,CAACtrE,EAAD,CAAzB;AAAA,UAA8B6Q,KAAK,GAAGlI,OAAM,CAACkI,KAA7C;AAAA,UAAoDq7D,OAAO,GAAGr7D,KAAK,CAACxP,MAApE;AAAA,UAA4E8qE,SAAS,GAAG,CAAxF;;AACA,WAAK,IAAIz+D,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGw+D,OAApB,EAA6Bx+D,CAAC,EAA9B,EAAkC;AAChCy+D,iBAAS,IAAIt7D,KAAK,CAACnD,CAAD,CAAL,CAASpP,IAAT,CAAc+C,MAA3B;AACD;;AAED4qE,aAAO,IAAIE,SAAX;AACAH,YAAM,IAAIE,OAAV;AACAvjE,aAAM,CAACtH,MAAP,GAAgB8qE,SAAhB,CATkC,CAWlC;;AACA,UAAIvC,QAAJ,EAAc;AACZ;AACAjhE,eAAM,CAACH,GAAP,GAAa0iE,QAAQ,GAAGlrE,EAAC,GAAGgrE,iBAA5B;AACD,OAHD,MAGO;AACL;AACAriE,eAAM,CAACH,GAAP,GAAa0D,IAAI,CAACoX,GAAL,CAAS3a,OAAM,CAACH,GAAhB,EAAqB0iE,QAArB,CAAb;AACD,OAlBiC,CAmBlC;;;AACAviE,aAAM,CAACZ,GAAP,GAAamE,IAAI,CAACoX,GAAL,CAAS3a,OAAM,CAACZ,GAAhB,EAAqBY,OAAM,CAACH,GAA5B,CAAb;AACD;AAED;;;;AAEA,QAAI4jE,QAAQ,GAAGH,OAAO,GAAI,IAAID,MAAf,GAAyB,CAAxC;;AACA,QAAI;AACF/F,UAAI,GAAG,IAAIj6D,UAAJ,CAAeogE,QAAf,CAAP;AACD,KAFD,CAEE,OAAOnnE,GAAP,EAAY;AACZ,WAAKlB,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACC,KAA5B,EAAmC;AAAEC,YAAI,EAAEC,oBAAU,CAAC2mE,SAAnB;AAA8BzmE,eAAO,EAAEC,sBAAY,CAACitC,iBAApD;AAAuE/sC,aAAK,EAAE,KAA9E;AAAqF8R,aAAK,EAAEu0D,QAA5F;AAAsGpmE,cAAM,kCAAgComE;AAA5I,OAAnC;AACA;AACD;;AACD,QAAItsE,IAAI,GAAG,IAAIb,QAAJ,CAAagnE,IAAI,CAACpnE,MAAlB,CAAX;AACAiB,QAAI,CAACwsE,SAAL,CAAe,CAAf,EAAkBF,QAAlB;AACAnG,QAAI,CAAC75D,GAAL,CAASm5D,aAAG,CAACE,KAAJ,CAAUQ,IAAnB,EAAyB,CAAzB;;AAEA,SAAK,IAAIjmE,GAAC,GAAG,CAAb,EAAgBA,GAAC,GAAGkW,SAApB,EAA+BlW,GAAC,EAAhC,EAAoC;AAClC,UAAIsS,SAAS,GAAGg5D,YAAY,CAACtrE,GAAD,CAA5B;AAAA,UACEusE,cAAc,GAAGj6D,SAAS,CAACzB,KAD7B;AAAA,UAEE27D,eAAe,GAAG,CAFpB;AAAA,UAGEC,qBAAqB,SAHvB,CADkC,CAKlC;;AACA,WAAK,IAAI/+D,EAAC,GAAG,CAAR,EAAWw+D,QAAO,GAAGK,cAAc,CAAClrE,MAAzC,EAAiDqM,EAAC,GAAGw+D,QAArD,EAA8Dx+D,EAAC,EAA/D,EAAmE;AACjE,YAAIpF,IAAI,GAAGikE,cAAc,CAAC7+D,EAAD,CAAzB;AAAA,YACEg/D,QAAQ,GAAGpkE,IAAI,CAAChK,IADlB;AAAA,YAEEquE,WAAW,GAAGrkE,IAAI,CAAChK,IAAL,CAAUS,UAF1B;AAGAe,YAAI,CAACwsE,SAAL,CAAelrE,MAAf,EAAuBurE,WAAvB;AACAvrE,cAAM,IAAI,CAAV;AACA6kE,YAAI,CAAC75D,GAAL,CAASsgE,QAAT,EAAmBtrE,MAAnB;AACAA,cAAM,IAAIurE,WAAV;AACAH,uBAAe,IAAI,IAAIG,WAAvB;AACD;;AAED,UAAI,CAAC/C,QAAL,EAAe;AACb;AACA,YAAI5pE,GAAC,GAAGkW,SAAS,GAAG,CAApB,EAAuB;AACrB80D,2BAAiB,GAAGM,YAAY,CAACtrE,GAAC,GAAG,CAAL,CAAZ,CAAoBwI,GAApB,GAA0B8J,SAAS,CAAC9J,GAAxD;AACD,SAFD,MAEO;AACL,cAAIxE,MAAM,GAAG,KAAKA,MAAlB;AAAA,cACE4oE,iBAAiB,GAAGt6D,SAAS,CAAC9J,GAAV,GAAgB8iE,YAAY,CAACtrE,GAAC,GAAG,CAAJ,GAAQA,GAAC,GAAG,CAAZ,GAAgBA,GAAjB,CAAZ,CAAgCwI,GADtE;;AAEA,cAAIxE,MAAM,CAAC6+D,sBAAX,EAAmC;AACjC;AACA;AACA;AACA;AACA;AACA,gBAAIr9B,aAAa,GAAGxhC,MAAM,CAACwhC,aAA3B;AAAA,gBACEqnC,YAAY,GAAG3gE,IAAI,CAACkE,KAAL,CAAWo1B,aAAa,GAAG6lC,SAA3B,CADjB;AAAA,gBAEEyB,eAAe,GAAG,CAACxC,gBAAgB,GAAGW,QAAQ,GAAGX,gBAAgB,GAAGe,SAAjC,GAA6C,KAAK0B,YAAnE,IAAmFz6D,SAAS,CAACvK,GAFjH;;AAGA,gBAAI+kE,eAAe,GAAGD,YAAtB,EAAoC;AAClC;AACA;AACA7B,+BAAiB,GAAG8B,eAAe,GAAGF,iBAAtC;;AACA,kBAAI5B,iBAAiB,GAAG,CAAxB,EAA2B;AACzBA,iCAAiB,GAAG4B,iBAApB;AACD;;AAEDloE,8BAAM,CAACC,GAAP,0BAAkConE,mDAAmB,CAACe,eAAD,EAAkB,KAAlB,CAArD,gDAAwHf,mDAAmB,CAACf,iBAAD,EAAoB,KAApB,CAA3I;AACD,aATD,MASO;AACLA,+BAAiB,GAAG4B,iBAApB;AACD;AACF,WArBD,MAqBO;AACL5B,6BAAiB,GAAG4B,iBAApB;AACD;AACF;;AACDH,6BAAqB,GAAGvgE,IAAI,CAAC6J,KAAL,CAAWzD,SAAS,CAACvK,GAAV,GAAgBuK,SAAS,CAAC9J,GAArC,CAAxB;AACD,OAjCD,MAiCO;AACLikE,6BAAqB,GAAGvgE,IAAI,CAACoX,GAAL,CAAS,CAAT,EAAY0nD,iBAAiB,GAAG9+D,IAAI,CAAC6J,KAAL,CAAW,CAACzD,SAAS,CAACvK,GAAV,GAAgBuK,SAAS,CAAC9J,GAA3B,IAAkCwiE,iBAA7C,CAAhC,CAAxB;AACD,OApDiC,CAsDlC;;;AACAO,mBAAa,CAAC7iE,IAAd,CAAmB;AACjB+D,YAAI,EAAE+/D,eADW;AAEjB;AACAvjE,gBAAQ,EAAE+hE,iBAHO;AAIjB5B,WAAG,EAAEqD,qBAJY;AAKjBjE,aAAK,EAAE;AACLa,mBAAS,EAAE,CADN;AAELX,sBAAY,EAAE,CAFT;AAGLC,uBAAa,EAAE,CAHV;AAILa,oBAAU,EAAE,CAJP;AAKLf,mBAAS,EAAEn2D,SAAS,CAAC/T,GAAV,GAAgB,CAAhB,GAAoB,CAL1B;AAMLgrE,mBAAS,EAAEj3D,SAAS,CAAC/T,GAAV,GAAgB,CAAhB,GAAoB;AAN1B;AALU,OAAnB;AAcD,KAlN8E,CAmN/E;;;AACA,SAAKmtE,UAAL,GAAkBN,OAAO,GAAGJ,iBAA5B;AACA,QAAIl5D,OAAO,GAAGlK,KAAK,CAACkK,OAApB;AACAlK,SAAK,CAACokE,MAAN,GAAe,CAAf;AACApkE,SAAK,CAACkK,OAAN,GAAgB,CAAhB;;AACA,QAAIy5D,aAAa,CAAClqE,MAAd,IAAwBmF,SAAS,CAACD,SAAV,CAAoBE,WAApB,GAAkCM,OAAlC,CAA0C,QAA1C,IAAsD,CAAC,CAAnF,EAAsF;AACpF,UAAIyhE,KAAK,GAAG+C,aAAa,CAAC,CAAD,CAAb,CAAiB/C,KAA7B,CADoF,CAEpF;AACA;;AACAA,WAAK,CAACC,SAAN,GAAkB,CAAlB;AACAD,WAAK,CAACe,SAAN,GAAkB,CAAlB;AACD;;AACD3hE,SAAK,CAACa,OAAN,GAAgB8iE,aAAhB;AACAlF,QAAI,GAAGd,aAAG,CAACc,IAAJ,CAASz+D,KAAK,CAACyB,cAAN,EAAT,EAAiC6hE,QAAjC,EAA2CtjE,KAA3C,CAAP;AACAA,SAAK,CAACa,OAAN,GAAgB,EAAhB;AAEA,QAAInK,IAAI,GAAG;AACT8b,WAAK,EAAEisD,IADE;AAEThpD,WAAK,EAAE4oD,IAFE;AAGT5rD,cAAQ,EAAE4wD,QAAQ,GAAGI,SAHZ;AAIT5xC,YAAM,EAAE,CAAC0xC,OAAO,GAAGH,iBAAX,IAAgCK,SAJ/B;AAKT/wD,cAAQ,EAAE4wD,QAAQ,GAAGG,SALZ;AAMT/rC,YAAM,EAAE,KAAKosC,UAAL,GAAkBL,SANjB;AAOT5lE,UAAI,EAAE,OAPG;AAQT8U,cAAQ,EAAE,KARD;AASTC,cAAQ,EAAE,IATD;AAUTC,QAAE,EAAE8wD,aAAa,CAAClqE,MAVT;AAWTyQ,aAAO,EAAEA;AAXA,KAAX;AAaA,SAAK/N,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAAC4U,iBAA5B,EAA+C7b,IAA/C;AACA,WAAOA,IAAP;AACD,G;;SAED+rE,U,GAAA,oBAAYziE,KAAZ,EAAmBmC,UAAnB,EAA+BC,UAA/B,EAA2CC,kBAA3C,EAA+D;AAC7D,QAAMT,cAAc,GAAG5B,KAAK,CAAC4B,cAA7B;AACA,QAAMwjE,YAAY,GAAGplE,KAAK,CAACyZ,SAA3B;AACA,QAAM4rD,WAAW,GAAGzjE,cAAc,GAAGwjE,YAArC;AACA,QAAMhC,iBAAiB,GAAGpjE,KAAK,CAAC0B,KAAN,GAAc,IAAd,GAAqB,IAA/C;AACA,QAAM4jE,mBAAmB,GAAGlC,iBAAiB,GAAGiC,WAAhD;AACA,QAAMzB,YAAY,GAAG,KAAKC,aAA1B;AACA,QAAM3rD,OAAO,GAAG,KAAKjL,QAArB;AACA,QAAMs4D,OAAO,GAAG,CAACvlE,KAAK,CAAC0B,KAAP,IAAgB,KAAK8H,aAAL,CAAmBkD,IAAnD;AAEA,QAAI84D,SAAJ;AACA,QAAIC,SAAJ;AACA,QAAIpH,IAAJ;AACA,QAAII,IAAJ;AACA,QAAI4E,QAAJ;AACA,QAAIE,OAAJ;AACA,QAAI/pE,MAAM,GAAI+rE,OAAO,GAAG,CAAH,GAAO,CAA5B;AACA,QAAI7B,YAAY,GAAG1jE,KAAK,CAACa,OAAzB;AACA,QAAI8iE,aAAa,GAAG,EAApB;AACA,QAAIwB,YAAY,GAAG,KAAKA,YAAxB,CAnB6D,CAqB7D;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AACA/iE,cAAU,IAAKshE,YAAY,CAACjqE,MAAb,IAAuB0rE,YAAvB,KACE9iE,kBAAkB,IAAIiC,IAAI,CAAC4N,GAAL,CAAS/P,UAAU,GAAGgjE,YAAY,GAAGvjE,cAArC,IAAuD,GAA9E,IACA0C,IAAI,CAAC4N,GAAL,CAAUwxD,YAAY,CAAC,CAAD,CAAZ,CAAgBvjE,GAAhB,GAAsBglE,YAAtB,GAAqCjtD,OAA/C,IAA2D,KAAKotD,mBAFjE,CAAf,CA7B6D,CAkC7D;;AACA5B,gBAAY,CAACx0D,OAAb,CAAqB,UAAUnO,MAAV,EAAkB;AACrCA,YAAM,CAACZ,GAAP,GAAaY,MAAM,CAACH,GAAP,GAAagjE,YAAY,CAAC7iE,MAAM,CAACZ,GAAP,GAAa+X,OAAd,EAAuB/V,UAAU,GAAGP,cAApC,CAAtC;AACD,KAFD,EAnC6D,CAuC7D;AACA;AACA;;AACA8hE,gBAAY,GAAGA,YAAY,CAAC58C,MAAb,CAAoB,UAAU/lB,MAAV,EAAkB;AACnD,aAAOA,MAAM,CAACZ,GAAP,IAAc,CAArB;AACD,KAFc,CAAf,CA1C6D,CA8C7D;;AACA,QAAIujE,YAAY,CAACjqE,MAAb,KAAwB,CAA5B,EAA+B;AAC7B;AACD;;AAED,QAAI,CAAC2I,UAAL,EAAiB;AACf,UAAI,CAACC,kBAAL,EAAyB;AACvB;AACA8iE,oBAAY,GAAGzB,YAAY,CAAC,CAAD,CAAZ,CAAgBvjE,GAA/B;AACD,OAHD,MAGO;AACL;AACAglE,oBAAY,GAAGhjE,UAAU,GAAGP,cAA5B;AACD;AACF,KA3D4D,CA6D7D;AACA;AACA;AACA;AACA;;;AAEA,QAAI5B,KAAK,CAAC0B,KAAV,EAAiB;AACf,UAAMw5D,mBAAmB,GAAG,KAAK9+D,MAAL,CAAY8+D,mBAAxC;;AACA,WAAK,IAAI9iE,CAAC,GAAG,CAAR,EAAWstE,OAAO,GAAGP,YAA1B,EAAwC/sE,CAAC,GAAGsrE,YAAY,CAACjqE,MAAzD,GAAkE;AAChE;AACA,YAAIsH,MAAM,GAAG2iE,YAAY,CAACtrE,CAAD,CAAzB;AAAA,YAA8B4gC,KAA9B;AACA,YAAI74B,GAAG,GAAGY,MAAM,CAACZ,GAAjB;AACA64B,aAAK,GAAG74B,GAAG,GAAGulE,OAAd,CAJgE,CAMhE;;AACA,YAAI1sC,KAAK,IAAI,CAACkiC,mBAAD,GAAuBoK,mBAApC,EAAyD;AACvDxoE,0BAAM,CAACgN,IAAP,+BAAwCq6D,mDAAmB,CAACuB,OAAD,EAAU,IAAV,CAA3D,mBAAwFvB,mDAAmB,CAACnrC,KAAD,EAAQ,IAAR,CAA3G;AACA0qC,sBAAY,CAACx1D,MAAb,CAAoB9V,CAApB,EAAuB,CAAvB,EAFuD,CAGvD;AACD,SAJD,CAIE;AAEF;AACA;AACA;AACA;AATA,aAUK,IAAI4gC,KAAK,IAAIkiC,mBAAmB,GAAGoK,mBAA/B,IAAsDtsC,KAAK,GAAG8oC,+BAA9D,IAAiG4D,OAArG,EAA8G;AACjH,gBAAIC,OAAO,GAAGrhE,IAAI,CAAC6J,KAAL,CAAW6qB,KAAK,GAAGssC,mBAAnB,CAAd;AACAxoE,4BAAM,CAACgN,IAAP,gBAAyB67D,OAAzB,wBAAmDxB,mDAAmB,CAACuB,OAAD,EAAU,IAAV,CAAtE,mBAAmGvB,mDAAmB,CAACuB,OAAD,EAAU,IAAV,CAAtH;;AACA,iBAAK,IAAI5/D,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG6/D,OAApB,EAA6B7/D,CAAC,EAA9B,EAAkC;AAChC,kBAAI8/D,QAAQ,GAAGthE,IAAI,CAACoX,GAAL,CAASgqD,OAAT,EAAkB,CAAlB,CAAf;AACAD,uBAAS,GAAGhI,UAAG,CAACC,cAAJ,CAAmB19D,KAAK,CAAClB,aAAN,IAAuBkB,KAAK,CAACV,KAAhD,EAAuDU,KAAK,CAACX,YAA7D,CAAZ;;AACA,kBAAI,CAAComE,SAAL,EAAgB;AACd3oE,gCAAM,CAACC,GAAP,CAAW,mFAAX;AACA0oE,yBAAS,GAAG1kE,MAAM,CAACL,IAAP,CAAYC,QAAZ,EAAZ;AACD;;AACD+iE,0BAAY,CAACx1D,MAAb,CAAoB9V,CAApB,EAAuB,CAAvB,EAA0B;AAAEsI,oBAAI,EAAE+kE,SAAR;AAAmBtlE,mBAAG,EAAEylE,QAAxB;AAAkChlE,mBAAG,EAAEglE;AAAvC,eAA1B;AACAF,qBAAO,IAAIJ,mBAAX;AACAltE,eAAC;AACF,aAbgH,CAejH;;;AACA2I,kBAAM,CAACZ,GAAP,GAAaY,MAAM,CAACH,GAAP,GAAa8kE,OAA1B;AACAA,mBAAO,IAAIJ,mBAAX;AACAltE,aAAC;AACF,WAnBI,MAmBE;AACL;AACA,gBAAIkM,IAAI,CAAC4N,GAAL,CAAS8mB,KAAT,IAAmB,MAAMssC,mBAA7B,EAAmD,CACjD;AACD;;AACDvkE,kBAAM,CAACZ,GAAP,GAAaY,MAAM,CAACH,GAAP,GAAa8kE,OAA1B;AACAA,mBAAO,IAAIJ,mBAAX;AACAltE,aAAC;AACF;AACF;AACF,KAnH4D,CAqH7D;;;AACA,QAAIkW,SAAS,GAAGo1D,YAAY,CAACjqE,MAA7B;AACA,QAAI+qE,QAAQ,GAAG,CAAf;;AACA,WAAOl2D,SAAS,EAAhB,EAAoB;AAClBk2D,cAAQ,IAAId,YAAY,CAACp1D,SAAD,CAAZ,CAAwB5N,IAAxB,CAA6BvJ,UAAzC;AACD;;AAED,SAAK,IAAI2O,GAAC,GAAG,CAAR,EAAWwI,UAAS,GAAGo1D,YAAY,CAACjqE,MAAzC,EAAiDqM,GAAC,GAAGwI,UAArD,EAAgExI,GAAC,EAAjE,EAAqE;AACnE,UAAI+/D,WAAW,GAAGnC,YAAY,CAAC59D,GAAD,CAA9B;AACA,UAAIpF,IAAI,GAAGmlE,WAAW,CAACnlE,IAAvB;AACA,UAAIP,IAAG,GAAG0lE,WAAW,CAAC1lE,GAAtB,CAHmE,CAKnE;AACA;;AAEA,UAAIojE,OAAO,KAAKxnE,SAAhB,EAA2B;AACzBypE,iBAAS,CAACnkE,QAAV,GAAqBiD,IAAI,CAAC6J,KAAL,CAAW,CAAChO,IAAG,GAAGojE,OAAP,IAAkB8B,WAA7B,CAArB;AACD,OAFD,MAEO;AACL,YAAIrsC,MAAK,GAAG74B,IAAG,GAAGglE,YAAlB;;AACA,YAAIW,gBAAgB,GAAG,CAAvB,CAFK,CAIL;AACA;;AACA,YAAI1jE,UAAU,IAAIpC,KAAK,CAAC0B,KAAxB,EAA+B;AAC7B;AACA,cAAIs3B,MAAJ,EAAW;AACT,gBAAIA,MAAK,GAAG,CAAR,IAAaA,MAAK,GAAG8oC,+BAAzB,EAA0D;AACxD;AACA;AACAgE,8BAAgB,GAAGxhE,IAAI,CAAC6J,KAAL,CAAW,CAAChO,IAAG,GAAGglE,YAAP,IAAuBG,mBAAlC,CAAnB;AAEAxoE,8BAAM,CAACC,GAAP,CAAconE,mDAAmB,CAACnrC,MAAD,EAAQ,IAAR,CAAjC;;AACA,kBAAI8sC,gBAAgB,GAAG,CAAvB,EAA0B;AACxBL,yBAAS,GAAGhI,UAAG,CAACC,cAAJ,CAAmB19D,KAAK,CAAClB,aAAN,IAAuBkB,KAAK,CAACV,KAAhD,EAAuDU,KAAK,CAACX,YAA7D,CAAZ;;AACA,oBAAI,CAAComE,SAAL,EAAgB;AACdA,2BAAS,GAAG/kE,IAAI,CAACC,QAAL,EAAZ;AACD;;AAED6jE,wBAAQ,IAAIsB,gBAAgB,GAAGL,SAAS,CAAChsE,MAAzC;AACD,eAbuD,CAcxD;;AACD,aAfD,MAeO,IAAIu/B,MAAK,GAAG,CAAC,EAAb,EAAiB;AACtB;AACAl8B,8BAAM,CAACC,GAAP,0DAAkEonE,mDAAmB,CAACgB,YAAD,EAAe,IAAf,CAArF,cAAkHhB,mDAAmB,CAAChkE,IAAD,EAAM,IAAN,CAArI,cAAyJgkE,mDAAmB,CAAC,CAACnrC,MAAF,EAAS,IAAT,CAA5K;AACAwrC,sBAAQ,IAAI9jE,IAAI,CAACvJ,UAAjB;AACA;AACD,aArBQ,CAsBT;;;AACAgJ,gBAAG,GAAGglE,YAAN;AACD;AACF,SAjCI,CAkCL;;;AACA9B,gBAAQ,GAAGljE,IAAX;;AACA,YAAIqkE,QAAQ,GAAG,CAAf,EAAkB;AAChBA,kBAAQ,IAAIhrE,MAAZ;;AACA,cAAI;AACF6kE,gBAAI,GAAG,IAAIj6D,UAAJ,CAAeogE,QAAf,CAAP;AACD,WAFD,CAEE,OAAOnnE,GAAP,EAAY;AACZ,iBAAKlB,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACC,KAA5B,EAAmC;AAAEC,kBAAI,EAAEC,oBAAU,CAAC2mE,SAAnB;AAA8BzmE,qBAAO,EAAEC,sBAAY,CAACitC,iBAApD;AAAuE/sC,mBAAK,EAAE,KAA9E;AAAqF8R,mBAAK,EAAEu0D,QAA5F;AAAsGpmE,oBAAM,kCAAgComE;AAA5I,aAAnC;AACA;AACD;;AACD,cAAI,CAACe,OAAL,EAAc;AACZ,gBAAMrtE,IAAI,GAAG,IAAIb,QAAJ,CAAagnE,IAAI,CAACpnE,MAAlB,CAAb;AACAiB,gBAAI,CAACwsE,SAAL,CAAe,CAAf,EAAkBF,QAAlB;AACAnG,gBAAI,CAAC75D,GAAL,CAASm5D,aAAG,CAACE,KAAJ,CAAUQ,IAAnB,EAAyB,CAAzB;AACD;AACF,SAbD,MAaO;AACL;AACA;AACD;;AACD,aAAK,IAAIjmE,GAAC,GAAG,CAAb,EAAgBA,GAAC,GAAG0tE,gBAApB,EAAsC1tE,GAAC,EAAvC,EAA2C;AACzCqtE,mBAAS,GAAGhI,UAAG,CAACC,cAAJ,CAAmB19D,KAAK,CAAClB,aAAN,IAAuBkB,KAAK,CAACV,KAAhD,EAAuDU,KAAK,CAACX,YAA7D,CAAZ;;AACA,cAAI,CAAComE,SAAL,EAAgB;AACd3oE,4BAAM,CAACC,GAAP,CAAW,mFAAX;AACA0oE,qBAAS,GAAG/kE,IAAI,CAACC,QAAL,EAAZ;AACD;;AACD09D,cAAI,CAAC75D,GAAL,CAASihE,SAAT,EAAoBjsE,MAApB;AACAA,gBAAM,IAAIisE,SAAS,CAACtuE,UAApB;AACAquE,mBAAS,GAAG;AACV3gE,gBAAI,EAAE4gE,SAAS,CAACtuE,UADN;AAEVqqE,eAAG,EAAE,CAFK;AAGVngE,oBAAQ,EAAE,IAHA;AAIVu/D,iBAAK,EAAE;AACLa,uBAAS,EAAE,CADN;AAELX,0BAAY,EAAE,CAFT;AAGLC,2BAAa,EAAE,CAHV;AAILa,wBAAU,EAAE,CAJP;AAKLf,uBAAS,EAAE;AALN;AAJG,WAAZ;AAYA8C,uBAAa,CAAC7iE,IAAd,CAAmB0kE,SAAnB;AACD;AACF;;AACDnH,UAAI,CAAC75D,GAAL,CAAS9D,IAAT,EAAelH,MAAf;AACA,UAAIusE,OAAO,GAAGrlE,IAAI,CAACvJ,UAAnB;AACAqC,YAAM,IAAIusE,OAAV,CAxFmE,CAyFnE;;AACAP,eAAS,GAAG;AACV3gE,YAAI,EAAEkhE,OADI;AAEVvE,WAAG,EAAE,CAFK;AAGVngE,gBAAQ,EAAE,CAHA;AAIVu/D,aAAK,EAAE;AACLa,mBAAS,EAAE,CADN;AAELX,sBAAY,EAAE,CAFT;AAGLC,uBAAa,EAAE,CAHV;AAILa,oBAAU,EAAE,CAJP;AAKLf,mBAAS,EAAE;AALN;AAJG,OAAZ;AAYA8C,mBAAa,CAAC7iE,IAAd,CAAmB0kE,SAAnB;AACAjC,aAAO,GAAGpjE,IAAV;AACD;;AACD,QAAI6lE,kBAAkB,GAAG,CAAzB;AACA13D,aAAS,GAAGq1D,aAAa,CAAClqE,MAA1B,CAtO6D,CAuO7D;;AACA,QAAI6U,SAAS,IAAI,CAAjB,EAAoB;AAClB03D,wBAAkB,GAAGrC,aAAa,CAACr1D,SAAS,GAAG,CAAb,CAAb,CAA6BjN,QAAlD;AACAmkE,eAAS,CAACnkE,QAAV,GAAqB2kE,kBAArB;AACD;;AACD,QAAI13D,SAAJ,EAAe;AACb;AACA,WAAK62D,YAAL,GAAoBA,YAAY,GAAG5B,OAAO,GAAG8B,WAAW,GAAGW,kBAA3D,CAFa,CAGb;;AACAhmE,WAAK,CAACa,OAAN,GAAgB8iE,aAAhB;;AACA,UAAI4B,OAAJ,EAAa;AACX9G,YAAI,GAAG,IAAIr6D,UAAJ,EAAP;AACD,OAFD,MAEO;AACLq6D,YAAI,GAAGd,aAAG,CAACc,IAAJ,CAASz+D,KAAK,CAACyB,cAAN,EAAT,EAAiC4hE,QAAQ,GAAGgC,WAA5C,EAAyDrlE,KAAzD,CAAP;AACD;;AAEDA,WAAK,CAACa,OAAN,GAAgB,EAAhB;AACA,UAAM+J,KAAK,GAAGy4D,QAAQ,GAAGzhE,cAAzB;AACA,UAAMyU,GAAG,GAAG8uD,YAAY,GAAGvjE,cAA3B;AACA,UAAM8J,SAAS,GAAG;AAChB8G,aAAK,EAAEisD,IADS;AAEhBhpD,aAAK,EAAE4oD,IAFS;AAGhB5rD,gBAAQ,EAAE7H,KAHM;AAIhBinB,cAAM,EAAExb,GAJQ;AAKhB3D,gBAAQ,EAAE9H,KALM;AAMhB8sB,cAAM,EAAErhB,GANQ;AAOhBxY,YAAI,EAAE,OAPU;AAQhB8U,gBAAQ,EAAE,IARM;AAShBC,gBAAQ,EAAE,KATM;AAUhBC,UAAE,EAAEvE;AAVY,OAAlB;AAYA,WAAKnS,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAAC4U,iBAA5B,EAA+C7G,SAA/C;AACA,aAAOA,SAAP;AACD;;AACD,WAAO,IAAP;AACD,G;;SAEDm3D,e,GAAA,yBAAiB7iE,KAAjB,EAAwBmC,UAAxB,EAAoCC,UAApC,EAAgDwgE,SAAhD,EAA2D;AACzD,QAAIhhE,cAAc,GAAG5B,KAAK,CAAC4B,cAA3B;AACA,QAAIwjE,YAAY,GAAGplE,KAAK,CAACZ,UAAN,GAAmBY,KAAK,CAACZ,UAAzB,GAAsCwC,cAAzD;AACA,QAAIyjE,WAAW,GAAGzjE,cAAc,GAAGwjE,YAAnC;AACA,QAAID,YAAY,GAAG,KAAKA,YAAxB,CAJyD,CAMzD;;AACA,QAAIzyD,QAAQ,GAAG,CAACyyD,YAAY,KAAKppE,SAAjB,GAA6BopE,YAA7B,GAA4CvC,SAAS,CAAClwD,QAAV,GAAqB9Q,cAAlE,IAAoF,KAAKsL,QAAxG;AACA,QAAIwqB,MAAM,GAAGkrC,SAAS,CAAClrC,MAAV,GAAmB91B,cAAnB,GAAoC,KAAKsL,QAAtD,CARyD,CASzD;;AACA,QAAI+4D,cAAc,GAAG,IAArB;AACA,QAAI5lE,aAAa,GAAGglE,WAAW,GAAGY,cAAlC,CAXyD,CAazD;;AACA,QAAI33D,SAAS,GAAGhK,IAAI,CAAC6C,IAAL,CAAU,CAACuwB,MAAM,GAAGhlB,QAAV,IAAsBrS,aAAhC,CAAhB,CAdyD,CAgBzD;;AACA,QAAI6lE,WAAW,GAAGzI,UAAG,CAACC,cAAJ,CAAmB19D,KAAK,CAAClB,aAAN,IAAuBkB,KAAK,CAACV,KAAhD,EAAuDU,KAAK,CAACX,YAA7D,CAAlB;AAEAvC,oBAAM,CAACgN,IAAP,CAAY,mBAAZ,EAnByD,CAoBzD;;AACA,QAAI,CAACo8D,WAAL,EAAkB;AAChBppE,sBAAM,CAAC8uB,KAAP,CAAa,6FAAb;AACA;AACD;;AAED,QAAI/qB,OAAO,GAAG,EAAd;;AACA,SAAK,IAAIzI,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGkW,SAApB,EAA+BlW,CAAC,EAAhC,EAAoC;AAClC,UAAIkI,KAAK,GAAGoS,QAAQ,GAAGta,CAAC,GAAGiI,aAA3B;AACAQ,aAAO,CAACC,IAAR,CAAa;AAAEJ,YAAI,EAAEwlE,WAAR;AAAqB/lE,WAAG,EAAEG,KAA1B;AAAiCM,WAAG,EAAEN;AAAtC,OAAb;AACD;;AACDN,SAAK,CAACa,OAAN,GAAgBA,OAAhB;AAEA,SAAK4hE,UAAL,CAAgBziE,KAAhB,EAAuBmC,UAAvB,EAAmCC,UAAnC;AACD,G;;SAED0gE,Q,GAAA,kBAAU9iE,KAAV,EAAiB;AACf,QAAIvG,MAAM,GAAGuG,KAAK,CAACa,OAAN,CAAcpH,MAA3B;AAAA,QAAmCsH,MAAnC;AACA,QAAMa,cAAc,GAAG5B,KAAK,CAAC4B,cAA7B;AACA,QAAMsW,OAAO,GAAG,KAAKjL,QAArB;AACA,QAAMk2D,OAAO,GAAG,KAAKj2D,QAArB,CAJe,CAKf;;AACA,QAAIzT,MAAJ,EAAY;AACV,WAAK,IAAIud,KAAK,GAAG,CAAjB,EAAoBA,KAAK,GAAGvd,MAA5B,EAAoCud,KAAK,EAAzC,EAA6C;AAC3CjW,cAAM,GAAGf,KAAK,CAACa,OAAN,CAAcmW,KAAd,CAAT,CAD2C,CAE3C;AACA;;AACAjW,cAAM,CAACZ,GAAP,GAAc,CAACY,MAAM,CAACZ,GAAP,GAAa+X,OAAd,IAAyBtW,cAAvC;AACAb,cAAM,CAACH,GAAP,GAAc,CAACG,MAAM,CAACH,GAAP,GAAauiE,OAAd,IAAyBvhE,cAAvC;AACD;;AACD,WAAKzF,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAAC0X,qBAA5B,EAAmD;AACjDxU,eAAO,EAAEb,KAAK,CAACa;AADkC,OAAnD;AAGD;;AAEDb,SAAK,CAACa,OAAN,GAAgB,EAAhB;AACD,G;;SAEDkiE,S,GAAA,mBAAW/iE,KAAX,EAAkB;AAChBA,SAAK,CAACa,OAAN,CAAc6zB,IAAd,CAAmB,UAAUC,CAAV,EAAaplB,CAAb,EAAgB;AACjC,aAAQolB,CAAC,CAACx0B,GAAF,GAAQoP,CAAC,CAACpP,GAAlB;AACD,KAFD;AAIA,QAAI1G,MAAM,GAAGuG,KAAK,CAACa,OAAN,CAAcpH,MAA3B;AAAA,QAAmCsH,MAAnC;AACA,QAAMa,cAAc,GAAG5B,KAAK,CAAC4B,cAA7B;AACA,QAAMsW,OAAO,GAAG,KAAKjL,QAArB,CAPgB,CAQhB;;AACA,QAAIxT,MAAJ,EAAY;AACV,WAAK,IAAIud,KAAK,GAAG,CAAjB,EAAoBA,KAAK,GAAGvd,MAA5B,EAAoCud,KAAK,EAAzC,EAA6C;AAC3CjW,cAAM,GAAGf,KAAK,CAACa,OAAN,CAAcmW,KAAd,CAAT,CAD2C,CAE3C;AACA;;AACAjW,cAAM,CAACZ,GAAP,GAAc,CAACY,MAAM,CAACZ,GAAP,GAAa+X,OAAd,IAAyBtW,cAAvC;AACD;;AACD,WAAKzF,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAAC2X,qBAA5B,EAAmD;AACjDzU,eAAO,EAAEb,KAAK,CAACa;AADkC,OAAnD;AAGD;;AAEDb,SAAK,CAACa,OAAN,GAAgB,EAAhB;AACD,G;;SAEDgjE,a,GAAA,uBAAe1yD,KAAf,EAAsBg1D,SAAtB,EAAiC;AAC/B,QAAI3sE,MAAJ;;AACA,QAAI2sE,SAAS,KAAKpqE,SAAlB,EAA6B;AAC3B,aAAOoV,KAAP;AACD;;AAED,QAAIg1D,SAAS,GAAGh1D,KAAhB,EAAuB;AACrB;AACA3X,YAAM,GAAG,CAAC,UAAV;AACD,KAHD,MAGO;AACL;AACAA,YAAM,GAAG,UAAT;AACD;AACD;;;;;AAGA,WAAO8K,IAAI,CAAC4N,GAAL,CAASf,KAAK,GAAGg1D,SAAjB,IAA8B,UAArC,EAAiD;AAC/Ch1D,WAAK,IAAI3X,MAAT;AACD;;AAED,WAAO2X,KAAP;AACD,G;;;;;AAGI,SAAS+/C,YAAT,CAAuB//C,KAAvB,EAA8Bg1D,SAA9B,EAAyC;AAC9C,MAAI3sE,MAAJ;;AACA,MAAI2sE,SAAS,KAAK,IAAlB,EAAwB;AACtB,WAAOh1D,KAAP;AACD;;AAED,MAAIg1D,SAAS,GAAGh1D,KAAhB,EAAuB;AACrB;AACA3X,UAAM,GAAG,CAAC,UAAV;AACD,GAHD,MAGO;AACL;AACAA,UAAM,GAAG,UAAT;AACD;AACD;;;;;AAGA,SAAO8K,IAAI,CAAC4N,GAAL,CAASf,KAAK,GAAGg1D,SAAjB,IAA8B,UAArC,EAAiD;AAC/Ch1D,SAAK,IAAI3X,MAAT;AACD;;AAED,SAAO2X,KAAP;AACD;AAEc8C,uGAAf,E;;;;;;;;;;;;AC1zBA;AAAA;AAAO,SAAShY,YAAT,GAAyB;AAC9B;AACA,MAAI,OAAO6tB,MAAP,KAAkB,WAAtB,EAAmC;AACjC;AACA,WAAOzV,IAAP;AACD,GAHD,MAGO;AACL,WAAOyV,MAAP;AACD;AACF,C;;;;;;;;;;;;ACRD;AAAA;AAAA;AAAA;AAAA;;AAEA,SAASs8C,IAAT,GAAwB,CAAE;;AAE1B,IAAMC,UAAU,GAAG;AACjBz6C,OAAK,EAAEw6C,IADU;AAEjBz3D,OAAK,EAAEy3D,IAFU;AAGjBrpE,KAAG,EAAEqpE,IAHY;AAIjBt8D,MAAI,EAAEs8D,IAJW;AAKjBnwD,MAAI,EAAEmwD,IALW;AAMjB5oE,OAAK,EAAE4oE;AANU,CAAnB;AASA,IAAIE,cAAc,GAAGD,UAArB,C,CAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA,SAASE,SAAT,CAAoB1oE,IAApB,EAA0BioD,GAA1B,EAA+B;AAC7BA,KAAG,GAAG,MAAMjoD,IAAN,GAAa,MAAb,GAAsBioD,GAA5B;AACA,SAAOA,GAAP;AACD;;AAED,IAAM9pD,MAAM,GAAGC,oEAAY,EAA3B;;AAEA,SAASuqE,cAAT,CAAyB3oE,IAAzB,EAA+B;AAC7B,MAAM4oE,IAAI,GAAGzqE,MAAM,CAACke,OAAP,CAAerc,IAAf,CAAb;;AACA,MAAI4oE,IAAJ,EAAU;AACR,WAAO,YAAmB;AAAA,wCAANC,IAAM;AAANA,YAAM;AAAA;;AACxB,UAAIA,IAAI,CAAC,CAAD,CAAR,EAAa;AACXA,YAAI,CAAC,CAAD,CAAJ,GAAUH,SAAS,CAAC1oE,IAAD,EAAO6oE,IAAI,CAAC,CAAD,CAAX,CAAnB;AACD;;AAEDD,UAAI,CAAChuD,KAAL,CAAWzc,MAAM,CAACke,OAAlB,EAA2BwsD,IAA3B;AACD,KAND;AAOD;;AACD,SAAON,IAAP;AACD;;AAED,SAASO,qBAAT,CAAgCC,WAAhC,EAA2D;AAAA,qCAAXC,SAAW;AAAXA,aAAW;AAAA;;AACzDA,WAAS,CAAC33D,OAAV,CAAkB,UAAUrR,IAAV,EAAgB;AAChCyoE,kBAAc,CAACzoE,IAAD,CAAd,GAAuB+oE,WAAW,CAAC/oE,IAAD,CAAX,GAAoB+oE,WAAW,CAAC/oE,IAAD,CAAX,CAAkBgJ,IAAlB,CAAuB+/D,WAAvB,CAApB,GAA0DJ,cAAc,CAAC3oE,IAAD,CAA/F;AACD,GAFD;AAGD;;AAEM,IAAMqX,UAAU,GAAG,SAAbA,UAAa,CAAU0xD,WAAV,EAAuB;AAC/C;AACA,MAAK5qE,MAAM,CAACke,OAAP,IAAkB0sD,WAAW,KAAK,IAAnC,IAA4C,OAAOA,WAAP,KAAuB,QAAvE,EAAiF;AAC/ED,yBAAqB,CAACC,WAAD,EACnB;AACA;AACA,WAHmB,EAInB,KAJmB,EAKnB,MALmB,EAMnB,MANmB,EAOnB,OAPmB,CAArB,CAD+E,CAU/E;AACA;;AACA,QAAI;AACFN,oBAAc,CAACvpE,GAAf;AACD,KAFD,CAEE,OAAON,CAAP,EAAU;AACV6pE,oBAAc,GAAGD,UAAjB;AACD;AACF,GAjBD,MAiBO;AACLC,kBAAc,GAAGD,UAAjB;AACD;AACF,CAtBM;AAwBA,IAAMvpE,MAAM,GAAGwpE,cAAf,C;;;;;;;;;;;;AC3EP;AAAA;AAAA;AAAA;AAAA;AAAA,IAAMQ,qBAAqB,GAAG,KAA9B;AAEO,SAASC,oBAAT,CAA+B51D,KAA/B,EAAsC61D,SAAtC,EAAyDC,QAAzD,EAA+E94D,KAA/E,EAA+G;AAAA,MAAtD84D,QAAsD;AAAtDA,YAAsD,GAAnC,CAAmC;AAAA;;AAAA,MAAhC94D,KAAgC;AAAhCA,SAAgC,GAAf,KAAe;AAAA;;AACpH,SAAO+4D,mBAAmB,CAAC/1D,KAAD,EAAQ61D,SAAR,EAAmB,IAAIC,QAAvB,CAA1B;AACD;AAEM,SAASC,mBAAT,CAA8B/1D,KAA9B,EAAqC61D,SAArC,EAAwDG,OAAxD,EAA6Eh5D,KAA7E,EAA6G;AAAA,MAArDg5D,OAAqD;AAArDA,WAAqD,GAAnC,CAAmC;AAAA;;AAAA,MAAhCh5D,KAAgC;AAAhCA,SAAgC,GAAf,KAAe;AAAA;;AAClH,MAAM5Q,MAAM,GAAG4T,KAAK,GAAG61D,SAAR,GAAoBG,OAAnC,CADkH,CACtE;;AAC5C,SAAOh5D,KAAK,GAAG7J,IAAI,CAAC6J,KAAL,CAAW5Q,MAAX,CAAH,GAAwBA,MAApC;AACD;AAEM,SAAS4mE,mBAAT,CAA8BhzD,KAA9B,EAA6ChD,KAA7C,EAA6E;AAAA,MAAhCA,KAAgC;AAAhCA,SAAgC,GAAf,KAAe;AAAA;;AAClF,SAAO+4D,mBAAmB,CAAC/1D,KAAD,EAAQ,IAAR,EAAc,IAAI21D,qBAAlB,EAAyC34D,KAAzC,CAA1B;AACD;AAEM,SAASsiD,0BAAT,CAAqCt/C,KAArC,EAAoD81D,QAApD,EAAkF;AAAA,MAA9BA,QAA8B;AAA9BA,YAA8B,GAAX,CAAW;AAAA;;AACvF,SAAOC,mBAAmB,CAAC/1D,KAAD,EAAQ21D,qBAAR,EAA+B,IAAIG,QAAnC,CAA1B;AACD,C","file":"hls.js","sourcesContent":["(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"Hls\"] = factory();\n\telse\n\t\troot[\"Hls\"] = factory();\n})(this, function() {\nreturn "," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId]) {\n \t\t\treturn installedModules[moduleId].exports;\n \t\t}\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\ti: moduleId,\n \t\t\tl: false,\n \t\t\texports: {}\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, { enumerable: true, get: getter });\n \t\t}\n \t};\n\n \t// define __esModule on exports\n \t__webpack_require__.r = function(exports) {\n \t\tif(typeof Symbol !== 'undefined' && Symbol.toStringTag) {\n \t\t\tObject.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });\n \t\t}\n \t\tObject.defineProperty(exports, '__esModule', { value: true });\n \t};\n\n \t// create a fake namespace object\n \t// mode & 1: value is a module id, require it\n \t// mode & 2: merge all properties of value into the ns\n \t// mode & 4: return value when already ns object\n \t// mode & 8|1: behave like require\n \t__webpack_require__.t = function(value, mode) {\n \t\tif(mode & 1) value = __webpack_require__(value);\n \t\tif(mode & 8) return value;\n \t\tif((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;\n \t\tvar ns = Object.create(null);\n \t\t__webpack_require__.r(ns);\n \t\tObject.defineProperty(ns, 'default', { enumerable: true, value: value });\n \t\tif(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));\n \t\treturn ns;\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"/dist/\";\n\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = \"./src/hls.ts\");\n","'use strict';\n\nvar has = Object.prototype.hasOwnProperty\n , prefix = '~';\n\n/**\n * Constructor to create a storage for our `EE` objects.\n * An `Events` instance is a plain object whose properties are event names.\n *\n * @constructor\n * @private\n */\nfunction Events() {}\n\n//\n// We try to not inherit from `Object.prototype`. In some engines creating an\n// instance in this way is faster than calling `Object.create(null)` directly.\n// If `Object.create(null)` is not supported we prefix the event names with a\n// character to make sure that the built-in object properties are not\n// overridden or used as an attack vector.\n//\nif (Object.create) {\n Events.prototype = Object.create(null);\n\n //\n // This hack is needed because the `__proto__` property is still inherited in\n // some old browsers like Android 4, iPhone 5.1, Opera 11 and Safari 5.\n //\n if (!new Events().__proto__) prefix = false;\n}\n\n/**\n * Representation of a single event listener.\n *\n * @param {Function} fn The listener function.\n * @param {*} context The context to invoke the listener with.\n * @param {Boolean} [once=false] Specify if the listener is a one-time listener.\n * @constructor\n * @private\n */\nfunction EE(fn, context, once) {\n this.fn = fn;\n this.context = context;\n this.once = once || false;\n}\n\n/**\n * Add a listener for a given event.\n *\n * @param {EventEmitter} emitter Reference to the `EventEmitter` instance.\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} context The context to invoke the listener with.\n * @param {Boolean} once Specify if the listener is a one-time listener.\n * @returns {EventEmitter}\n * @private\n */\nfunction addListener(emitter, event, fn, context, once) {\n if (typeof fn !== 'function') {\n throw new TypeError('The listener must be a function');\n }\n\n var listener = new EE(fn, context || emitter, once)\n , evt = prefix ? prefix + event : event;\n\n if (!emitter._events[evt]) emitter._events[evt] = listener, emitter._eventsCount++;\n else if (!emitter._events[evt].fn) emitter._events[evt].push(listener);\n else emitter._events[evt] = [emitter._events[evt], listener];\n\n return emitter;\n}\n\n/**\n * Clear event by name.\n *\n * @param {EventEmitter} emitter Reference to the `EventEmitter` instance.\n * @param {(String|Symbol)} evt The Event name.\n * @private\n */\nfunction clearEvent(emitter, evt) {\n if (--emitter._eventsCount === 0) emitter._events = new Events();\n else delete emitter._events[evt];\n}\n\n/**\n * Minimal `EventEmitter` interface that is molded against the Node.js\n * `EventEmitter` interface.\n *\n * @constructor\n * @public\n */\nfunction EventEmitter() {\n this._events = new Events();\n this._eventsCount = 0;\n}\n\n/**\n * Return an array listing the events for which the emitter has registered\n * listeners.\n *\n * @returns {Array}\n * @public\n */\nEventEmitter.prototype.eventNames = function eventNames() {\n var names = []\n , events\n , name;\n\n if (this._eventsCount === 0) return names;\n\n for (name in (events = this._events)) {\n if (has.call(events, name)) names.push(prefix ? name.slice(1) : name);\n }\n\n if (Object.getOwnPropertySymbols) {\n return names.concat(Object.getOwnPropertySymbols(events));\n }\n\n return names;\n};\n\n/**\n * Return the listeners registered for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Array} The registered listeners.\n * @public\n */\nEventEmitter.prototype.listeners = function listeners(event) {\n var evt = prefix ? prefix + event : event\n , handlers = this._events[evt];\n\n if (!handlers) return [];\n if (handlers.fn) return [handlers.fn];\n\n for (var i = 0, l = handlers.length, ee = new Array(l); i < l; i++) {\n ee[i] = handlers[i].fn;\n }\n\n return ee;\n};\n\n/**\n * Return the number of listeners listening to a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Number} The number of listeners.\n * @public\n */\nEventEmitter.prototype.listenerCount = function listenerCount(event) {\n var evt = prefix ? prefix + event : event\n , listeners = this._events[evt];\n\n if (!listeners) return 0;\n if (listeners.fn) return 1;\n return listeners.length;\n};\n\n/**\n * Calls each of the listeners registered for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Boolean} `true` if the event had listeners, else `false`.\n * @public\n */\nEventEmitter.prototype.emit = function emit(event, a1, a2, a3, a4, a5) {\n var evt = prefix ? prefix + event : event;\n\n if (!this._events[evt]) return false;\n\n var listeners = this._events[evt]\n , len = arguments.length\n , args\n , i;\n\n if (listeners.fn) {\n if (listeners.once) this.removeListener(event, listeners.fn, undefined, true);\n\n switch (len) {\n case 1: return listeners.fn.call(listeners.context), true;\n case 2: return listeners.fn.call(listeners.context, a1), true;\n case 3: return listeners.fn.call(listeners.context, a1, a2), true;\n case 4: return listeners.fn.call(listeners.context, a1, a2, a3), true;\n case 5: return listeners.fn.call(listeners.context, a1, a2, a3, a4), true;\n case 6: return listeners.fn.call(listeners.context, a1, a2, a3, a4, a5), true;\n }\n\n for (i = 1, args = new Array(len -1); i < len; i++) {\n args[i - 1] = arguments[i];\n }\n\n listeners.fn.apply(listeners.context, args);\n } else {\n var length = listeners.length\n , j;\n\n for (i = 0; i < length; i++) {\n if (listeners[i].once) this.removeListener(event, listeners[i].fn, undefined, true);\n\n switch (len) {\n case 1: listeners[i].fn.call(listeners[i].context); break;\n case 2: listeners[i].fn.call(listeners[i].context, a1); break;\n case 3: listeners[i].fn.call(listeners[i].context, a1, a2); break;\n case 4: listeners[i].fn.call(listeners[i].context, a1, a2, a3); break;\n default:\n if (!args) for (j = 1, args = new Array(len -1); j < len; j++) {\n args[j - 1] = arguments[j];\n }\n\n listeners[i].fn.apply(listeners[i].context, args);\n }\n }\n }\n\n return true;\n};\n\n/**\n * Add a listener for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} [context=this] The context to invoke the listener with.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.on = function on(event, fn, context) {\n return addListener(this, event, fn, context, false);\n};\n\n/**\n * Add a one-time listener for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} [context=this] The context to invoke the listener with.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.once = function once(event, fn, context) {\n return addListener(this, event, fn, context, true);\n};\n\n/**\n * Remove the listeners of a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn Only remove the listeners that match this function.\n * @param {*} context Only remove the listeners that have this context.\n * @param {Boolean} once Only remove one-time listeners.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.removeListener = function removeListener(event, fn, context, once) {\n var evt = prefix ? prefix + event : event;\n\n if (!this._events[evt]) return this;\n if (!fn) {\n clearEvent(this, evt);\n return this;\n }\n\n var listeners = this._events[evt];\n\n if (listeners.fn) {\n if (\n listeners.fn === fn &&\n (!once || listeners.once) &&\n (!context || listeners.context === context)\n ) {\n clearEvent(this, evt);\n }\n } else {\n for (var i = 0, events = [], length = listeners.length; i < length; i++) {\n if (\n listeners[i].fn !== fn ||\n (once && !listeners[i].once) ||\n (context && listeners[i].context !== context)\n ) {\n events.push(listeners[i]);\n }\n }\n\n //\n // Reset the array, or remove it completely if we have no more listeners.\n //\n if (events.length) this._events[evt] = events.length === 1 ? events[0] : events;\n else clearEvent(this, evt);\n }\n\n return this;\n};\n\n/**\n * Remove all listeners, or those of the specified event.\n *\n * @param {(String|Symbol)} [event] The event name.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.removeAllListeners = function removeAllListeners(event) {\n var evt;\n\n if (event) {\n evt = prefix ? prefix + event : event;\n if (this._events[evt]) clearEvent(this, evt);\n } else {\n this._events = new Events();\n this._eventsCount = 0;\n }\n\n return this;\n};\n\n//\n// Alias methods names because people roll like that.\n//\nEventEmitter.prototype.off = EventEmitter.prototype.removeListener;\nEventEmitter.prototype.addListener = EventEmitter.prototype.on;\n\n//\n// Expose the prefix.\n//\nEventEmitter.prefixed = prefix;\n\n//\n// Allow `EventEmitter` to be imported as module namespace.\n//\nEventEmitter.EventEmitter = EventEmitter;\n\n//\n// Expose the module.\n//\nif ('undefined' !== typeof module) {\n module.exports = EventEmitter;\n}\n","// see https://tools.ietf.org/html/rfc1808\n\n/* jshint ignore:start */\n(function(root) { \n/* jshint ignore:end */\n\n var URL_REGEX = /^((?:[a-zA-Z0-9+\\-.]+:)?)(\\/\\/[^\\/?#]*)?((?:[^\\/\\?#]*\\/)*.*?)??(;.*?)?(\\?.*?)?(#.*?)?$/;\n var FIRST_SEGMENT_REGEX = /^([^\\/?#]*)(.*)$/;\n var SLASH_DOT_REGEX = /(?:\\/|^)\\.(?=\\/)/g;\n var SLASH_DOT_DOT_REGEX = /(?:\\/|^)\\.\\.\\/(?!\\.\\.\\/).*?(?=\\/)/g;\n\n var URLToolkit = { // jshint ignore:line\n // If opts.alwaysNormalize is true then the path will always be normalized even when it starts with / or //\n // E.g\n // With opts.alwaysNormalize = false (default, spec compliant)\n // http://a.com/b/cd + /e/f/../g => http://a.com/e/f/../g\n // With opts.alwaysNormalize = true (not spec compliant)\n // http://a.com/b/cd + /e/f/../g => http://a.com/e/g\n buildAbsoluteURL: function(baseURL, relativeURL, opts) {\n opts = opts || {};\n // remove any remaining space and CRLF\n baseURL = baseURL.trim();\n relativeURL = relativeURL.trim();\n if (!relativeURL) {\n // 2a) If the embedded URL is entirely empty, it inherits the\n // entire base URL (i.e., is set equal to the base URL)\n // and we are done.\n if (!opts.alwaysNormalize) {\n return baseURL;\n }\n var basePartsForNormalise = URLToolkit.parseURL(baseURL);\n if (!basePartsForNormalise) {\n throw new Error('Error trying to parse base URL.');\n }\n basePartsForNormalise.path = URLToolkit.normalizePath(basePartsForNormalise.path);\n return URLToolkit.buildURLFromParts(basePartsForNormalise);\n }\n var relativeParts = URLToolkit.parseURL(relativeURL);\n if (!relativeParts) {\n throw new Error('Error trying to parse relative URL.');\n }\n if (relativeParts.scheme) {\n // 2b) If the embedded URL starts with a scheme name, it is\n // interpreted as an absolute URL and we are done.\n if (!opts.alwaysNormalize) {\n return relativeURL;\n }\n relativeParts.path = URLToolkit.normalizePath(relativeParts.path);\n return URLToolkit.buildURLFromParts(relativeParts);\n }\n var baseParts = URLToolkit.parseURL(baseURL);\n if (!baseParts) {\n throw new Error('Error trying to parse base URL.');\n }\n if (!baseParts.netLoc && baseParts.path && baseParts.path[0] !== '/') {\n // If netLoc missing and path doesn't start with '/', assume everthing before the first '/' is the netLoc\n // This causes 'example.com/a' to be handled as '//example.com/a' instead of '/example.com/a'\n var pathParts = FIRST_SEGMENT_REGEX.exec(baseParts.path);\n baseParts.netLoc = pathParts[1];\n baseParts.path = pathParts[2];\n }\n if (baseParts.netLoc && !baseParts.path) {\n baseParts.path = '/';\n }\n var builtParts = {\n // 2c) Otherwise, the embedded URL inherits the scheme of\n // the base URL.\n scheme: baseParts.scheme,\n netLoc: relativeParts.netLoc,\n path: null,\n params: relativeParts.params,\n query: relativeParts.query,\n fragment: relativeParts.fragment\n };\n if (!relativeParts.netLoc) {\n // 3) If the embedded URL's <net_loc> is non-empty, we skip to\n // Step 7. Otherwise, the embedded URL inherits the <net_loc>\n // (if any) of the base URL.\n builtParts.netLoc = baseParts.netLoc;\n // 4) If the embedded URL path is preceded by a slash \"/\", the\n // path is not relative and we skip to Step 7.\n if (relativeParts.path[0] !== '/') {\n if (!relativeParts.path) {\n // 5) If the embedded URL path is empty (and not preceded by a\n // slash), then the embedded URL inherits the base URL path\n builtParts.path = baseParts.path;\n // 5a) if the embedded URL's <params> is non-empty, we skip to\n // step 7; otherwise, it inherits the <params> of the base\n // URL (if any) and\n if (!relativeParts.params) {\n builtParts.params = baseParts.params;\n // 5b) if the embedded URL's <query> is non-empty, we skip to\n // step 7; otherwise, it inherits the <query> of the base\n // URL (if any) and we skip to step 7.\n if (!relativeParts.query) {\n builtParts.query = baseParts.query;\n }\n }\n } else {\n // 6) The last segment of the base URL's path (anything\n // following the rightmost slash \"/\", or the entire path if no\n // slash is present) is removed and the embedded URL's path is\n // appended in its place.\n var baseURLPath = baseParts.path;\n var newPath = baseURLPath.substring(0, baseURLPath.lastIndexOf('/') + 1) + relativeParts.path;\n builtParts.path = URLToolkit.normalizePath(newPath);\n }\n }\n }\n if (builtParts.path === null) {\n builtParts.path = opts.alwaysNormalize ? URLToolkit.normalizePath(relativeParts.path) : relativeParts.path;\n }\n return URLToolkit.buildURLFromParts(builtParts);\n },\n parseURL: function(url) {\n var parts = URL_REGEX.exec(url);\n if (!parts) {\n return null;\n }\n return {\n scheme: parts[1] || '',\n netLoc: parts[2] || '',\n path: parts[3] || '',\n params: parts[4] || '',\n query: parts[5] || '',\n fragment: parts[6] || ''\n };\n },\n normalizePath: function(path) {\n // The following operations are\n // then applied, in order, to the new path:\n // 6a) All occurrences of \"./\", where \".\" is a complete path\n // segment, are removed.\n // 6b) If the path ends with \".\" as a complete path segment,\n // that \".\" is removed.\n path = path.split('').reverse().join('').replace(SLASH_DOT_REGEX, '');\n // 6c) All occurrences of \"<segment>/../\", where <segment> is a\n // complete path segment not equal to \"..\", are removed.\n // Removal of these path segments is performed iteratively,\n // removing the leftmost matching pattern on each iteration,\n // until no matching pattern remains.\n // 6d) If the path ends with \"<segment>/..\", where <segment> is a\n // complete path segment not equal to \"..\", that\n // \"<segment>/..\" is removed.\n while (path.length !== (path = path.replace(SLASH_DOT_DOT_REGEX, '')).length) {} // jshint ignore:line\n return path.split('').reverse().join('');\n },\n buildURLFromParts: function(parts) {\n return parts.scheme + parts.netLoc + parts.path + parts.params + parts.query + parts.fragment;\n }\n };\n\n/* jshint ignore:start */\n if(typeof exports === 'object' && typeof module === 'object')\n module.exports = URLToolkit;\n else if(typeof define === 'function' && define.amd)\n define([], function() { return URLToolkit; });\n else if(typeof exports === 'object')\n exports[\"URLToolkit\"] = URLToolkit;\n else\n root[\"URLToolkit\"] = URLToolkit;\n})(this);\n/* jshint ignore:end */\n","function webpackBootstrapFunc (modules) {\n/******/ // The module cache\n/******/ var installedModules = {};\n\n/******/ // The require function\n/******/ function __webpack_require__(moduleId) {\n\n/******/ // Check if module is in cache\n/******/ if(installedModules[moduleId])\n/******/ return installedModules[moduleId].exports;\n\n/******/ // Create a new module (and put it into the cache)\n/******/ var module = installedModules[moduleId] = {\n/******/ i: moduleId,\n/******/ l: false,\n/******/ exports: {}\n/******/ };\n\n/******/ // Execute the module function\n/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n/******/ // Flag the module as loaded\n/******/ module.l = true;\n\n/******/ // Return the exports of the module\n/******/ return module.exports;\n/******/ }\n\n/******/ // expose the modules object (__webpack_modules__)\n/******/ __webpack_require__.m = modules;\n\n/******/ // expose the module cache\n/******/ __webpack_require__.c = installedModules;\n\n/******/ // identity function for calling harmony imports with the correct context\n/******/ __webpack_require__.i = function(value) { return value; };\n\n/******/ // define getter function for harmony exports\n/******/ __webpack_require__.d = function(exports, name, getter) {\n/******/ if(!__webpack_require__.o(exports, name)) {\n/******/ Object.defineProperty(exports, name, {\n/******/ configurable: false,\n/******/ enumerable: true,\n/******/ get: getter\n/******/ });\n/******/ }\n/******/ };\n\n/******/ // define __esModule on exports\n/******/ __webpack_require__.r = function(exports) {\n/******/ Object.defineProperty(exports, '__esModule', { value: true });\n/******/ };\n\n/******/ // getDefaultExport function for compatibility with non-harmony modules\n/******/ __webpack_require__.n = function(module) {\n/******/ var getter = module && module.__esModule ?\n/******/ function getDefault() { return module['default']; } :\n/******/ function getModuleExports() { return module; };\n/******/ __webpack_require__.d(getter, 'a', getter);\n/******/ return getter;\n/******/ };\n\n/******/ // Object.prototype.hasOwnProperty.call\n/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n/******/ // __webpack_public_path__\n/******/ __webpack_require__.p = \"/\";\n\n/******/ // on error function for async loading\n/******/ __webpack_require__.oe = function(err) { console.error(err); throw err; };\n\n var f = __webpack_require__(__webpack_require__.s = ENTRY_MODULE)\n return f.default || f // try to call default if defined to also support babel esmodule exports\n}\n\nvar moduleNameReqExp = '[\\\\.|\\\\-|\\\\+|\\\\w|\\/|@]+'\nvar dependencyRegExp = '\\\\(\\\\s*(\\/\\\\*.*?\\\\*\\/)?\\\\s*.*?(' + moduleNameReqExp + ').*?\\\\)' // additional chars when output.pathinfo is true\n\n// http://stackoverflow.com/a/2593661/130442\nfunction quoteRegExp (str) {\n return (str + '').replace(/[.?*+^$[\\]\\\\(){}|-]/g, '\\\\$&')\n}\n\nfunction isNumeric(n) {\n return !isNaN(1 * n); // 1 * n converts integers, integers as string (\"123\"), 1e3 and \"1e3\" to integers and strings to NaN\n}\n\nfunction getModuleDependencies (sources, module, queueName) {\n var retval = {}\n retval[queueName] = []\n\n var fnString = module.toString()\n var wrapperSignature = fnString.match(/^function\\s?\\w*\\(\\w+,\\s*\\w+,\\s*(\\w+)\\)/)\n if (!wrapperSignature) return retval\n var webpackRequireName = wrapperSignature[1]\n\n // main bundle deps\n var re = new RegExp('(\\\\\\\\n|\\\\W)' + quoteRegExp(webpackRequireName) + dependencyRegExp, 'g')\n var match\n while ((match = re.exec(fnString))) {\n if (match[3] === 'dll-reference') continue\n retval[queueName].push(match[3])\n }\n\n // dll deps\n re = new RegExp('\\\\(' + quoteRegExp(webpackRequireName) + '\\\\(\"(dll-reference\\\\s(' + moduleNameReqExp + '))\"\\\\)\\\\)' + dependencyRegExp, 'g')\n while ((match = re.exec(fnString))) {\n if (!sources[match[2]]) {\n retval[queueName].push(match[1])\n sources[match[2]] = __webpack_require__(match[1]).m\n }\n retval[match[2]] = retval[match[2]] || []\n retval[match[2]].push(match[4])\n }\n\n // convert 1e3 back to 1000 - this can be important after uglify-js converted 1000 to 1e3\n var keys = Object.keys(retval);\n for (var i = 0; i < keys.length; i++) {\n for (var j = 0; j < retval[keys[i]].length; j++) {\n if (isNumeric(retval[keys[i]][j])) {\n retval[keys[i]][j] = 1 * retval[keys[i]][j];\n }\n }\n }\n\n return retval\n}\n\nfunction hasValuesInQueues (queues) {\n var keys = Object.keys(queues)\n return keys.reduce(function (hasValues, key) {\n return hasValues || queues[key].length > 0\n }, false)\n}\n\nfunction getRequiredModules (sources, moduleId) {\n var modulesQueue = {\n main: [moduleId]\n }\n var requiredModules = {\n main: []\n }\n var seenModules = {\n main: {}\n }\n\n while (hasValuesInQueues(modulesQueue)) {\n var queues = Object.keys(modulesQueue)\n for (var i = 0; i < queues.length; i++) {\n var queueName = queues[i]\n var queue = modulesQueue[queueName]\n var moduleToCheck = queue.pop()\n seenModules[queueName] = seenModules[queueName] || {}\n if (seenModules[queueName][moduleToCheck] || !sources[queueName][moduleToCheck]) continue\n seenModules[queueName][moduleToCheck] = true\n requiredModules[queueName] = requiredModules[queueName] || []\n requiredModules[queueName].push(moduleToCheck)\n var newModules = getModuleDependencies(sources, sources[queueName][moduleToCheck], queueName)\n var newModulesKeys = Object.keys(newModules)\n for (var j = 0; j < newModulesKeys.length; j++) {\n modulesQueue[newModulesKeys[j]] = modulesQueue[newModulesKeys[j]] || []\n modulesQueue[newModulesKeys[j]] = modulesQueue[newModulesKeys[j]].concat(newModules[newModulesKeys[j]])\n }\n }\n }\n\n return requiredModules\n}\n\nmodule.exports = function (moduleId, options) {\n options = options || {}\n var sources = {\n main: __webpack_modules__\n }\n\n var requiredModules = options.all ? { main: Object.keys(sources.main) } : getRequiredModules(sources, moduleId)\n\n var src = ''\n\n Object.keys(requiredModules).filter(function (m) { return m !== 'main' }).forEach(function (module) {\n var entryModule = 0\n while (requiredModules[module][entryModule]) {\n entryModule++\n }\n requiredModules[module].push(entryModule)\n sources[module][entryModule] = '(function(module, exports, __webpack_require__) { module.exports = __webpack_require__; })'\n src = src + 'var ' + module + ' = (' + webpackBootstrapFunc.toString().replace('ENTRY_MODULE', JSON.stringify(entryModule)) + ')({' + requiredModules[module].map(function (id) { return '' + JSON.stringify(id) + ': ' + sources[module][id].toString() }).join(',') + '});\\n'\n })\n\n src = src + 'new ((' + webpackBootstrapFunc.toString().replace('ENTRY_MODULE', JSON.stringify(moduleId)) + ')({' + requiredModules.main.map(function (id) { return '' + JSON.stringify(id) + ': ' + sources.main[id].toString() }).join(',') + '}))(self);'\n\n var blob = new window.Blob([src], { type: 'text/javascript' })\n if (options.bare) { return blob }\n\n var URL = window.URL || window.webkitURL || window.mozURL || window.msURL\n\n var workerUrl = URL.createObjectURL(blob)\n var worker = new window.Worker(workerUrl)\n worker.objectURL = workerUrl\n\n return worker\n}\n","export default class AESCrypto {\n constructor (subtle, iv) {\n this.subtle = subtle;\n this.aesIV = iv;\n }\n\n decrypt (data, key) {\n return this.subtle.decrypt({ name: 'AES-CBC', iv: this.aesIV }, key, data);\n }\n}\n","class FastAESKey {\n constructor (subtle, key) {\n this.subtle = subtle;\n this.key = key;\n }\n\n expandKey () {\n return this.subtle.importKey('raw', this.key, { name: 'AES-CBC' }, false, ['encrypt', 'decrypt']);\n }\n}\n\nexport default FastAESKey;\n","// PKCS7\nexport function removePadding (buffer) {\n const outputBytes = buffer.byteLength;\n const paddingBytes = outputBytes && (new DataView(buffer)).getUint8(outputBytes - 1);\n if (paddingBytes) {\n return buffer.slice(0, outputBytes - paddingBytes);\n } else {\n return buffer;\n }\n}\n\nclass AESDecryptor {\n constructor () {\n // Static after running initTable\n this.rcon = [0x0, 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36];\n this.subMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)];\n this.invSubMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)];\n this.sBox = new Uint32Array(256);\n this.invSBox = new Uint32Array(256);\n\n // Changes during runtime\n this.key = new Uint32Array(0);\n\n this.initTable();\n }\n\n // Using view.getUint32() also swaps the byte order.\n uint8ArrayToUint32Array_ (arrayBuffer) {\n let view = new DataView(arrayBuffer);\n let newArray = new Uint32Array(4);\n for (let i = 0; i < 4; i++) {\n newArray[i] = view.getUint32(i * 4);\n }\n\n return newArray;\n }\n\n initTable () {\n let sBox = this.sBox;\n let invSBox = this.invSBox;\n let subMix = this.subMix;\n let subMix0 = subMix[0];\n let subMix1 = subMix[1];\n let subMix2 = subMix[2];\n let subMix3 = subMix[3];\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let d = new Uint32Array(256);\n let x = 0;\n let xi = 0;\n let i = 0;\n for (i = 0; i < 256; i++) {\n if (i < 128) {\n d[i] = i << 1;\n } else {\n d[i] = (i << 1) ^ 0x11b;\n }\n }\n\n for (i = 0; i < 256; i++) {\n let sx = xi ^ (xi << 1) ^ (xi << 2) ^ (xi << 3) ^ (xi << 4);\n sx = (sx >>> 8) ^ (sx & 0xff) ^ 0x63;\n sBox[x] = sx;\n invSBox[sx] = x;\n\n // Compute multiplication\n let x2 = d[x];\n let x4 = d[x2];\n let x8 = d[x4];\n\n // Compute sub/invSub bytes, mix columns tables\n let t = (d[sx] * 0x101) ^ (sx * 0x1010100);\n subMix0[x] = (t << 24) | (t >>> 8);\n subMix1[x] = (t << 16) | (t >>> 16);\n subMix2[x] = (t << 8) | (t >>> 24);\n subMix3[x] = t;\n\n // Compute inv sub bytes, inv mix columns tables\n t = (x8 * 0x1010101) ^ (x4 * 0x10001) ^ (x2 * 0x101) ^ (x * 0x1010100);\n invSubMix0[sx] = (t << 24) | (t >>> 8);\n invSubMix1[sx] = (t << 16) | (t >>> 16);\n invSubMix2[sx] = (t << 8) | (t >>> 24);\n invSubMix3[sx] = t;\n\n // Compute next counter\n if (!x) {\n x = xi = 1;\n } else {\n x = x2 ^ d[d[d[x8 ^ x2]]];\n xi ^= d[d[xi]];\n }\n }\n }\n\n expandKey (keyBuffer) {\n // convert keyBuffer to Uint32Array\n let key = this.uint8ArrayToUint32Array_(keyBuffer);\n let sameKey = true;\n let offset = 0;\n\n while (offset < key.length && sameKey) {\n sameKey = (key[offset] === this.key[offset]);\n offset++;\n }\n\n if (sameKey) {\n return;\n }\n\n this.key = key;\n let keySize = this.keySize = key.length;\n\n if (keySize !== 4 && keySize !== 6 && keySize !== 8) {\n throw new Error('Invalid aes key size=' + keySize);\n }\n\n let ksRows = this.ksRows = (keySize + 6 + 1) * 4;\n let ksRow;\n let invKsRow;\n\n let keySchedule = this.keySchedule = new Uint32Array(ksRows);\n let invKeySchedule = this.invKeySchedule = new Uint32Array(ksRows);\n let sbox = this.sBox;\n let rcon = this.rcon;\n\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let prev;\n let t;\n\n for (ksRow = 0; ksRow < ksRows; ksRow++) {\n if (ksRow < keySize) {\n prev = keySchedule[ksRow] = key[ksRow];\n continue;\n }\n t = prev;\n\n if (ksRow % keySize === 0) {\n // Rot word\n t = (t << 8) | (t >>> 24);\n\n // Sub word\n t = (sbox[t >>> 24] << 24) | (sbox[(t >>> 16) & 0xff] << 16) | (sbox[(t >>> 8) & 0xff] << 8) | sbox[t & 0xff];\n\n // Mix Rcon\n t ^= rcon[(ksRow / keySize) | 0] << 24;\n } else if (keySize > 6 && ksRow % keySize === 4) {\n // Sub word\n t = (sbox[t >>> 24] << 24) | (sbox[(t >>> 16) & 0xff] << 16) | (sbox[(t >>> 8) & 0xff] << 8) | sbox[t & 0xff];\n }\n\n keySchedule[ksRow] = prev = (keySchedule[ksRow - keySize] ^ t) >>> 0;\n }\n\n for (invKsRow = 0; invKsRow < ksRows; invKsRow++) {\n ksRow = ksRows - invKsRow;\n if (invKsRow & 3) {\n t = keySchedule[ksRow];\n } else {\n t = keySchedule[ksRow - 4];\n }\n\n if (invKsRow < 4 || ksRow <= 4) {\n invKeySchedule[invKsRow] = t;\n } else {\n invKeySchedule[invKsRow] = invSubMix0[sbox[t >>> 24]] ^ invSubMix1[sbox[(t >>> 16) & 0xff]] ^ invSubMix2[sbox[(t >>> 8) & 0xff]] ^ invSubMix3[sbox[t & 0xff]];\n }\n\n invKeySchedule[invKsRow] = invKeySchedule[invKsRow] >>> 0;\n }\n }\n\n // Adding this as a method greatly improves performance.\n networkToHostOrderSwap (word) {\n return (word << 24) | ((word & 0xff00) << 8) | ((word & 0xff0000) >> 8) | (word >>> 24);\n }\n\n decrypt (inputArrayBuffer, offset, aesIV, removePKCS7Padding) {\n let nRounds = this.keySize + 6;\n let invKeySchedule = this.invKeySchedule;\n let invSBOX = this.invSBox;\n\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let initVector = this.uint8ArrayToUint32Array_(aesIV);\n let initVector0 = initVector[0];\n let initVector1 = initVector[1];\n let initVector2 = initVector[2];\n let initVector3 = initVector[3];\n\n let inputInt32 = new Int32Array(inputArrayBuffer);\n let outputInt32 = new Int32Array(inputInt32.length);\n\n let t0, t1, t2, t3;\n let s0, s1, s2, s3;\n let inputWords0, inputWords1, inputWords2, inputWords3;\n\n let ksRow, i;\n let swapWord = this.networkToHostOrderSwap;\n\n while (offset < inputInt32.length) {\n inputWords0 = swapWord(inputInt32[offset]);\n inputWords1 = swapWord(inputInt32[offset + 1]);\n inputWords2 = swapWord(inputInt32[offset + 2]);\n inputWords3 = swapWord(inputInt32[offset + 3]);\n\n s0 = inputWords0 ^ invKeySchedule[0];\n s1 = inputWords3 ^ invKeySchedule[1];\n s2 = inputWords2 ^ invKeySchedule[2];\n s3 = inputWords1 ^ invKeySchedule[3];\n\n ksRow = 4;\n\n // Iterate through the rounds of decryption\n for (i = 1; i < nRounds; i++) {\n t0 = invSubMix0[s0 >>> 24] ^ invSubMix1[(s1 >> 16) & 0xff] ^ invSubMix2[(s2 >> 8) & 0xff] ^ invSubMix3[s3 & 0xff] ^ invKeySchedule[ksRow];\n t1 = invSubMix0[s1 >>> 24] ^ invSubMix1[(s2 >> 16) & 0xff] ^ invSubMix2[(s3 >> 8) & 0xff] ^ invSubMix3[s0 & 0xff] ^ invKeySchedule[ksRow + 1];\n t2 = invSubMix0[s2 >>> 24] ^ invSubMix1[(s3 >> 16) & 0xff] ^ invSubMix2[(s0 >> 8) & 0xff] ^ invSubMix3[s1 & 0xff] ^ invKeySchedule[ksRow + 2];\n t3 = invSubMix0[s3 >>> 24] ^ invSubMix1[(s0 >> 16) & 0xff] ^ invSubMix2[(s1 >> 8) & 0xff] ^ invSubMix3[s2 & 0xff] ^ invKeySchedule[ksRow + 3];\n // Update state\n s0 = t0;\n s1 = t1;\n s2 = t2;\n s3 = t3;\n\n ksRow = ksRow + 4;\n }\n\n // Shift rows, sub bytes, add round key\n t0 = ((invSBOX[s0 >>> 24] << 24) ^ (invSBOX[(s1 >> 16) & 0xff] << 16) ^ (invSBOX[(s2 >> 8) & 0xff] << 8) ^ invSBOX[s3 & 0xff]) ^ invKeySchedule[ksRow];\n t1 = ((invSBOX[s1 >>> 24] << 24) ^ (invSBOX[(s2 >> 16) & 0xff] << 16) ^ (invSBOX[(s3 >> 8) & 0xff] << 8) ^ invSBOX[s0 & 0xff]) ^ invKeySchedule[ksRow + 1];\n t2 = ((invSBOX[s2 >>> 24] << 24) ^ (invSBOX[(s3 >> 16) & 0xff] << 16) ^ (invSBOX[(s0 >> 8) & 0xff] << 8) ^ invSBOX[s1 & 0xff]) ^ invKeySchedule[ksRow + 2];\n t3 = ((invSBOX[s3 >>> 24] << 24) ^ (invSBOX[(s0 >> 16) & 0xff] << 16) ^ (invSBOX[(s1 >> 8) & 0xff] << 8) ^ invSBOX[s2 & 0xff]) ^ invKeySchedule[ksRow + 3];\n ksRow = ksRow + 3;\n\n // Write\n outputInt32[offset] = swapWord(t0 ^ initVector0);\n outputInt32[offset + 1] = swapWord(t3 ^ initVector1);\n outputInt32[offset + 2] = swapWord(t2 ^ initVector2);\n outputInt32[offset + 3] = swapWord(t1 ^ initVector3);\n\n // reset initVector to last 4 unsigned int\n initVector0 = inputWords0;\n initVector1 = inputWords1;\n initVector2 = inputWords2;\n initVector3 = inputWords3;\n\n offset = offset + 4;\n }\n\n return removePKCS7Padding ? removePadding(outputInt32.buffer) : outputInt32.buffer;\n }\n\n destroy () {\n this.key = undefined;\n this.keySize = undefined;\n this.ksRows = undefined;\n\n this.sBox = undefined;\n this.invSBox = undefined;\n this.subMix = undefined;\n this.invSubMix = undefined;\n this.keySchedule = undefined;\n this.invKeySchedule = undefined;\n\n this.rcon = undefined;\n }\n}\n\nexport default AESDecryptor;\n","import AESCrypto from './aes-crypto';\nimport FastAESKey from './fast-aes-key';\nimport AESDecryptor from './aes-decryptor';\n\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\n\nimport Event from '../events';\n\nimport { getSelfScope } from '../utils/get-self-scope';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n\nclass Decrypter {\n constructor (observer, config, { removePKCS7Padding = true } = {}) {\n this.logEnabled = true;\n this.observer = observer;\n this.config = config;\n this.removePKCS7Padding = removePKCS7Padding;\n // built in decryptor expects PKCS7 padding\n if (removePKCS7Padding) {\n try {\n const browserCrypto = global.crypto;\n if (browserCrypto) {\n this.subtle = browserCrypto.subtle || browserCrypto.webkitSubtle;\n }\n } catch (e) {}\n }\n this.disableWebCrypto = !this.subtle;\n }\n\n isSync () {\n return (this.disableWebCrypto && this.config.enableSoftwareAES);\n }\n\n decrypt (data, key, iv, callback) {\n if (this.disableWebCrypto && this.config.enableSoftwareAES) {\n if (this.logEnabled) {\n logger.log('JS AES decrypt');\n this.logEnabled = false;\n }\n let decryptor = this.decryptor;\n if (!decryptor) {\n this.decryptor = decryptor = new AESDecryptor();\n }\n\n decryptor.expandKey(key);\n callback(decryptor.decrypt(data, 0, iv, this.removePKCS7Padding));\n } else {\n if (this.logEnabled) {\n logger.log('WebCrypto AES decrypt');\n this.logEnabled = false;\n }\n const subtle = this.subtle;\n if (this.key !== key) {\n this.key = key;\n this.fastAesKey = new FastAESKey(subtle, key);\n }\n\n this.fastAesKey.expandKey()\n .then((aesKey) => {\n // decrypt using web crypto\n let crypto = new AESCrypto(subtle, iv);\n crypto.decrypt(data, aesKey)\n .catch((err) => {\n this.onWebCryptoError(err, data, key, iv, callback);\n })\n .then((result) => {\n callback(result);\n });\n })\n .catch((err) => {\n this.onWebCryptoError(err, data, key, iv, callback);\n });\n }\n }\n\n onWebCryptoError (err, data, key, iv, callback) {\n if (this.config.enableSoftwareAES) {\n logger.log('WebCrypto Error, disable WebCrypto API');\n this.disableWebCrypto = true;\n this.logEnabled = true;\n this.decrypt(data, key, iv, callback);\n } else {\n logger.error(`decrypting error : ${err.message}`);\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_DECRYPT_ERROR, fatal: true, reason: err.message });\n }\n }\n\n destroy () {\n let decryptor = this.decryptor;\n if (decryptor) {\n decryptor.destroy();\n this.decryptor = undefined;\n }\n }\n}\n\nexport default Decrypter;\n","/**\n * ADTS parser helper\n * @link https://wiki.multimedia.cx/index.php?title=ADTS\n */\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\nimport Event from '../events';\n\nimport { getSelfScope } from '../utils/get-self-scope';\n\nexport function getAudioConfig (observer, data, offset, audioCodec) {\n let adtsObjectType, // :int\n adtsSampleingIndex, // :int\n adtsExtensionSampleingIndex, // :int\n adtsChanelConfig, // :int\n config,\n userAgent = navigator.userAgent.toLowerCase(),\n manifestCodec = audioCodec,\n adtsSampleingRates = [\n 96000, 88200,\n 64000, 48000,\n 44100, 32000,\n 24000, 22050,\n 16000, 12000,\n 11025, 8000,\n 7350];\n // byte 2\n adtsObjectType = ((data[offset + 2] & 0xC0) >>> 6) + 1;\n adtsSampleingIndex = ((data[offset + 2] & 0x3C) >>> 2);\n if (adtsSampleingIndex > adtsSampleingRates.length - 1) {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: true, reason: `invalid ADTS sampling index:${adtsSampleingIndex}` });\n return;\n }\n adtsChanelConfig = ((data[offset + 2] & 0x01) << 2);\n // byte 3\n adtsChanelConfig |= ((data[offset + 3] & 0xC0) >>> 6);\n logger.log(`manifest codec:${audioCodec},ADTS data:type:${adtsObjectType},sampleingIndex:${adtsSampleingIndex}[${adtsSampleingRates[adtsSampleingIndex]}Hz],channelConfig:${adtsChanelConfig}`);\n // firefox: freq less than 24kHz = AAC SBR (HE-AAC)\n if (/firefox/i.test(userAgent)) {\n if (adtsSampleingIndex >= 6) {\n adtsObjectType = 5;\n config = new Array(4);\n // HE-AAC uses SBR (Spectral Band Replication) , high frequencies are constructed from low frequencies\n // there is a factor 2 between frame sample rate and output sample rate\n // multiply frequency by 2 (see table below, equivalent to substract 3)\n adtsExtensionSampleingIndex = adtsSampleingIndex - 3;\n } else {\n adtsObjectType = 2;\n config = new Array(2);\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n }\n // Android : always use AAC\n } else if (userAgent.indexOf('android') !== -1) {\n adtsObjectType = 2;\n config = new Array(2);\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n } else {\n /* for other browsers (Chrome/Vivaldi/Opera ...)\n always force audio type to be HE-AAC SBR, as some browsers do not support audio codec switch properly (like Chrome ...)\n */\n adtsObjectType = 5;\n config = new Array(4);\n // if (manifest codec is HE-AAC or HE-AACv2) OR (manifest codec not specified AND frequency less than 24kHz)\n if ((audioCodec && ((audioCodec.indexOf('mp4a.40.29') !== -1) ||\n (audioCodec.indexOf('mp4a.40.5') !== -1))) ||\n (!audioCodec && adtsSampleingIndex >= 6)) {\n // HE-AAC uses SBR (Spectral Band Replication) , high frequencies are constructed from low frequencies\n // there is a factor 2 between frame sample rate and output sample rate\n // multiply frequency by 2 (see table below, equivalent to substract 3)\n adtsExtensionSampleingIndex = adtsSampleingIndex - 3;\n } else {\n // if (manifest codec is AAC) AND (frequency less than 24kHz AND nb channel is 1) OR (manifest codec not specified and mono audio)\n // Chrome fails to play back with low frequency AAC LC mono when initialized with HE-AAC. This is not a problem with stereo.\n if (audioCodec && audioCodec.indexOf('mp4a.40.2') !== -1 && ((adtsSampleingIndex >= 6 && adtsChanelConfig === 1) ||\n /vivaldi/i.test(userAgent)) ||\n (!audioCodec && adtsChanelConfig === 1)) {\n adtsObjectType = 2;\n config = new Array(2);\n }\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n }\n }\n /* refer to http://wiki.multimedia.cx/index.php?title=MPEG-4_Audio#Audio_Specific_Config\n ISO 14496-3 (AAC).pdf - Table 1.13 — Syntax of AudioSpecificConfig()\n Audio Profile / Audio Object Type\n 0: Null\n 1: AAC Main\n 2: AAC LC (Low Complexity)\n 3: AAC SSR (Scalable Sample Rate)\n 4: AAC LTP (Long Term Prediction)\n 5: SBR (Spectral Band Replication)\n 6: AAC Scalable\n sampling freq\n 0: 96000 Hz\n 1: 88200 Hz\n 2: 64000 Hz\n 3: 48000 Hz\n 4: 44100 Hz\n 5: 32000 Hz\n 6: 24000 Hz\n 7: 22050 Hz\n 8: 16000 Hz\n 9: 12000 Hz\n 10: 11025 Hz\n 11: 8000 Hz\n 12: 7350 Hz\n 13: Reserved\n 14: Reserved\n 15: frequency is written explictly\n Channel Configurations\n These are the channel configurations:\n 0: Defined in AOT Specifc Config\n 1: 1 channel: front-center\n 2: 2 channels: front-left, front-right\n */\n // audioObjectType = profile => profile, the MPEG-4 Audio Object Type minus 1\n config[0] = adtsObjectType << 3;\n // samplingFrequencyIndex\n config[0] |= (adtsSampleingIndex & 0x0E) >> 1;\n config[1] |= (adtsSampleingIndex & 0x01) << 7;\n // channelConfiguration\n config[1] |= adtsChanelConfig << 3;\n if (adtsObjectType === 5) {\n // adtsExtensionSampleingIndex\n config[1] |= (adtsExtensionSampleingIndex & 0x0E) >> 1;\n config[2] = (adtsExtensionSampleingIndex & 0x01) << 7;\n // adtsObjectType (force to 2, chrome is checking that object type is less than 5 ???\n // https://chromium.googlesource.com/chromium/src.git/+/master/media/formats/mp4/aac.cc\n config[2] |= 2 << 2;\n config[3] = 0;\n }\n return { config: config, samplerate: adtsSampleingRates[adtsSampleingIndex], channelCount: adtsChanelConfig, codec: ('mp4a.40.' + adtsObjectType), manifestCodec: manifestCodec };\n}\n\nexport function isHeaderPattern (data, offset) {\n return data[offset] === 0xff && (data[offset + 1] & 0xf6) === 0xf0;\n}\n\nexport function getHeaderLength (data, offset) {\n return (data[offset + 1] & 0x01 ? 7 : 9);\n}\n\nexport function getFullFrameLength (data, offset) {\n return ((data[offset + 3] & 0x03) << 11) |\n (data[offset + 4] << 3) |\n ((data[offset + 5] & 0xE0) >>> 5);\n}\n\nexport function isHeader (data, offset) {\n // Look for ADTS header | 1111 1111 | 1111 X00X | where X can be either 0 or 1\n // Layer bits (position 14 and 15) in header should be always 0 for ADTS\n // More info https://wiki.multimedia.cx/index.php?title=ADTS\n if (offset + 1 < data.length && isHeaderPattern(data, offset)) {\n return true;\n }\n\n return false;\n}\n\nexport function probe (data, offset) {\n // same as isHeader but we also check that ADTS frame follows last ADTS frame\n // or end of data is reached\n if (isHeader(data, offset)) {\n // ADTS header Length\n let headerLength = getHeaderLength(data, offset);\n // ADTS frame Length\n let frameLength = headerLength;\n if (offset + 5 < data.length) {\n frameLength = getFullFrameLength(data, offset);\n }\n\n let newOffset = offset + frameLength;\n if (newOffset === data.length || (newOffset + 1 < data.length && isHeaderPattern(data, newOffset))) {\n return true;\n }\n }\n return false;\n}\n\nexport function initTrackConfig (track, observer, data, offset, audioCodec) {\n if (!track.samplerate) {\n let config = getAudioConfig(observer, data, offset, audioCodec);\n track.config = config.config;\n track.samplerate = config.samplerate;\n track.channelCount = config.channelCount;\n track.codec = config.codec;\n track.manifestCodec = config.manifestCodec;\n logger.log(`parsed codec:${track.codec},rate:${config.samplerate},nb channel:${config.channelCount}`);\n }\n}\n\nexport function getFrameDuration (samplerate) {\n return 1024 * 90000 / samplerate;\n}\n\nexport function parseFrameHeader (data, offset, pts, frameIndex, frameDuration) {\n let headerLength, frameLength, stamp;\n let length = data.length;\n\n // The protection skip bit tells us if we have 2 bytes of CRC data at the end of the ADTS header\n headerLength = getHeaderLength(data, offset);\n // retrieve frame size\n frameLength = getFullFrameLength(data, offset);\n frameLength -= headerLength;\n\n if ((frameLength > 0) && ((offset + headerLength + frameLength) <= length)) {\n stamp = pts + frameIndex * frameDuration;\n // logger.log(`AAC frame, offset/length/total/pts:${offset+headerLength}/${frameLength}/${data.byteLength}/${(stamp/90).toFixed(0)}`);\n return { headerLength, frameLength, stamp };\n }\n\n return undefined;\n}\n\nexport function appendFrame (track, data, offset, pts, frameIndex) {\n let frameDuration = getFrameDuration(track.samplerate);\n let header = parseFrameHeader(data, offset, pts, frameIndex, frameDuration);\n if (header) {\n let stamp = header.stamp;\n let headerLength = header.headerLength;\n let frameLength = header.frameLength;\n\n // logger.log(`AAC frame, offset/length/total/pts:${offset+headerLength}/${frameLength}/${data.byteLength}/${(stamp/90).toFixed(0)}`);\n let aacSample = {\n unit: data.subarray(offset + headerLength, offset + headerLength + frameLength),\n pts: stamp,\n dts: stamp\n };\n\n track.samples.push(aacSample);\n return { sample: aacSample, length: frameLength + headerLength };\n }\n\n return undefined;\n}\n","/**\n * AAC demuxer\n */\nimport * as ADTS from './adts';\nimport { logger } from '../utils/logger';\nimport ID3 from '../demux/id3';\n\nclass AACDemuxer {\n constructor (observer, remuxer, config) {\n this.observer = observer;\n this.config = config;\n this.remuxer = remuxer;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this._audioTrack = { container: 'audio/adts', type: 'audio', id: 0, sequenceNumber: 0, isAAC: true, samples: [], len: 0, manifestCodec: audioCodec, duration: duration, inputTimeScale: 90000 };\n }\n\n resetTimeStamp () {\n }\n\n static probe (data) {\n if (!data) {\n return false;\n }\n\n // Check for the ADTS sync word\n // Look for ADTS header | 1111 1111 | 1111 X00X | where X can be either 0 or 1\n // Layer bits (position 14 and 15) in header should be always 0 for ADTS\n // More info https://wiki.multimedia.cx/index.php?title=ADTS\n const id3Data = ID3.getID3Data(data, 0) || [];\n let offset = id3Data.length;\n\n for (let length = data.length; offset < length; offset++) {\n if (ADTS.probe(data, offset)) {\n logger.log('ADTS sync word found !');\n return true;\n }\n }\n return false;\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let track = this._audioTrack;\n let id3Data = ID3.getID3Data(data, 0) || [];\n let timestamp = ID3.getTimeStamp(id3Data);\n let pts = Number.isFinite(timestamp) ? timestamp * 90 : timeOffset * 90000;\n let frameIndex = 0;\n let stamp = pts;\n let length = data.length;\n let offset = id3Data.length;\n\n let id3Samples = [{ pts: stamp, dts: stamp, data: id3Data }];\n\n while (offset < length - 1) {\n if (ADTS.isHeader(data, offset) && (offset + 5) < length) {\n ADTS.initTrackConfig(track, this.observer, data, offset, track.manifestCodec);\n let frame = ADTS.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n } else {\n logger.log('Unable to parse AAC frame');\n break;\n }\n } else if (ID3.isHeader(data, offset)) {\n id3Data = ID3.getID3Data(data, offset);\n id3Samples.push({ pts: stamp, dts: stamp, data: id3Data });\n offset += id3Data.length;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n this.remuxer.remux(track,\n { samples: [] },\n { samples: id3Samples, inputTimeScale: 90000 },\n { samples: [] },\n timeOffset,\n contiguous,\n accurateTimeOffset);\n }\n\n destroy () {\n }\n}\n\nexport default AACDemuxer;\n","/**\n * MPEG parser helper\n */\n\nconst MpegAudio = {\n\n BitratesMap: [\n 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448,\n 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384,\n 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320,\n 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256,\n 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160],\n\n SamplingRateMap: [44100, 48000, 32000, 22050, 24000, 16000, 11025, 12000, 8000],\n\n SamplesCoefficients: [\n // MPEG 2.5\n [\n 0, // Reserved\n 72, // Layer3\n 144, // Layer2\n 12 // Layer1\n ],\n // Reserved\n [\n 0, // Reserved\n 0, // Layer3\n 0, // Layer2\n 0 // Layer1\n ],\n // MPEG 2\n [\n 0, // Reserved\n 72, // Layer3\n 144, // Layer2\n 12 // Layer1\n ],\n // MPEG 1\n [\n 0, // Reserved\n 144, // Layer3\n 144, // Layer2\n 12 // Layer1\n ]\n ],\n\n BytesInSlot: [\n 0, // Reserved\n 1, // Layer3\n 1, // Layer2\n 4 // Layer1\n ],\n\n appendFrame: function (track, data, offset, pts, frameIndex) {\n // Using http://www.datavoyage.com/mpgscript/mpeghdr.htm as a reference\n if (offset + 24 > data.length) {\n return undefined;\n }\n\n let header = this.parseHeader(data, offset);\n if (header && offset + header.frameLength <= data.length) {\n let frameDuration = header.samplesPerFrame * 90000 / header.sampleRate;\n let stamp = pts + frameIndex * frameDuration;\n let sample = { unit: data.subarray(offset, offset + header.frameLength), pts: stamp, dts: stamp };\n\n track.config = [];\n track.channelCount = header.channelCount;\n track.samplerate = header.sampleRate;\n track.samples.push(sample);\n\n return { sample, length: header.frameLength };\n }\n\n return undefined;\n },\n\n parseHeader: function (data, offset) {\n let headerB = (data[offset + 1] >> 3) & 3;\n let headerC = (data[offset + 1] >> 1) & 3;\n let headerE = (data[offset + 2] >> 4) & 15;\n let headerF = (data[offset + 2] >> 2) & 3;\n let headerG = (data[offset + 2] >> 1) & 1;\n if (headerB !== 1 && headerE !== 0 && headerE !== 15 && headerF !== 3) {\n let columnInBitrates = headerB === 3 ? (3 - headerC) : (headerC === 3 ? 3 : 4);\n let bitRate = MpegAudio.BitratesMap[columnInBitrates * 14 + headerE - 1] * 1000;\n let columnInSampleRates = headerB === 3 ? 0 : headerB === 2 ? 1 : 2;\n let sampleRate = MpegAudio.SamplingRateMap[columnInSampleRates * 3 + headerF];\n let channelCount = data[offset + 3] >> 6 === 3 ? 1 : 2; // If bits of channel mode are `11` then it is a single channel (Mono)\n let sampleCoefficient = MpegAudio.SamplesCoefficients[headerB][headerC];\n let bytesInSlot = MpegAudio.BytesInSlot[headerC];\n let samplesPerFrame = sampleCoefficient * 8 * bytesInSlot;\n let frameLength = parseInt(sampleCoefficient * bitRate / sampleRate + headerG, 10) * bytesInSlot;\n\n return { sampleRate, channelCount, frameLength, samplesPerFrame };\n }\n\n return undefined;\n },\n\n isHeaderPattern: function (data, offset) {\n return data[offset] === 0xff && (data[offset + 1] & 0xe0) === 0xe0 && (data[offset + 1] & 0x06) !== 0x00;\n },\n\n isHeader: function (data, offset) {\n // Look for MPEG header | 1111 1111 | 111X XYZX | where X can be either 0 or 1 and Y or Z should be 1\n // Layer bits (position 14 and 15) in header should be always different from 0 (Layer I or Layer II or Layer III)\n // More info http://www.mp3-tech.org/programmer/frame_header.html\n if (offset + 1 < data.length && this.isHeaderPattern(data, offset)) {\n return true;\n }\n\n return false;\n },\n\n probe: function (data, offset) {\n // same as isHeader but we also check that MPEG frame follows last MPEG frame\n // or end of data is reached\n if (offset + 1 < data.length && this.isHeaderPattern(data, offset)) {\n // MPEG header Length\n let headerLength = 4;\n // MPEG frame Length\n let header = this.parseHeader(data, offset);\n let frameLength = headerLength;\n if (header && header.frameLength) {\n frameLength = header.frameLength;\n }\n\n let newOffset = offset + frameLength;\n if (newOffset === data.length || (newOffset + 1 < data.length && this.isHeaderPattern(data, newOffset))) {\n return true;\n }\n }\n return false;\n }\n};\n\nexport default MpegAudio;\n","/**\n * Parser for exponential Golomb codes, a variable-bitwidth number encoding scheme used by h264.\n*/\n\nimport { logger } from '../utils/logger';\n\nclass ExpGolomb {\n constructor (data) {\n this.data = data;\n // the number of bytes left to examine in this.data\n this.bytesAvailable = data.byteLength;\n // the current word being examined\n this.word = 0; // :uint\n // the number of bits left to examine in the current word\n this.bitsAvailable = 0; // :uint\n }\n\n // ():void\n loadWord () {\n let\n data = this.data,\n bytesAvailable = this.bytesAvailable,\n position = data.byteLength - bytesAvailable,\n workingBytes = new Uint8Array(4),\n availableBytes = Math.min(4, bytesAvailable);\n if (availableBytes === 0) {\n throw new Error('no bytes available');\n }\n\n workingBytes.set(data.subarray(position, position + availableBytes));\n this.word = new DataView(workingBytes.buffer).getUint32(0);\n // track the amount of this.data that has been processed\n this.bitsAvailable = availableBytes * 8;\n this.bytesAvailable -= availableBytes;\n }\n\n // (count:int):void\n skipBits (count) {\n let skipBytes; // :int\n if (this.bitsAvailable > count) {\n this.word <<= count;\n this.bitsAvailable -= count;\n } else {\n count -= this.bitsAvailable;\n skipBytes = count >> 3;\n count -= (skipBytes >> 3);\n this.bytesAvailable -= skipBytes;\n this.loadWord();\n this.word <<= count;\n this.bitsAvailable -= count;\n }\n }\n\n // (size:int):uint\n readBits (size) {\n let\n bits = Math.min(this.bitsAvailable, size), // :uint\n valu = this.word >>> (32 - bits); // :uint\n if (size > 32) {\n logger.error('Cannot read more than 32 bits at a time');\n }\n\n this.bitsAvailable -= bits;\n if (this.bitsAvailable > 0) {\n this.word <<= bits;\n } else if (this.bytesAvailable > 0) {\n this.loadWord();\n }\n\n bits = size - bits;\n if (bits > 0 && this.bitsAvailable) {\n return valu << bits | this.readBits(bits);\n } else {\n return valu;\n }\n }\n\n // ():uint\n skipLZ () {\n let leadingZeroCount; // :uint\n for (leadingZeroCount = 0; leadingZeroCount < this.bitsAvailable; ++leadingZeroCount) {\n if ((this.word & (0x80000000 >>> leadingZeroCount)) !== 0) {\n // the first bit of working word is 1\n this.word <<= leadingZeroCount;\n this.bitsAvailable -= leadingZeroCount;\n return leadingZeroCount;\n }\n }\n // we exhausted word and still have not found a 1\n this.loadWord();\n return leadingZeroCount + this.skipLZ();\n }\n\n // ():void\n skipUEG () {\n this.skipBits(1 + this.skipLZ());\n }\n\n // ():void\n skipEG () {\n this.skipBits(1 + this.skipLZ());\n }\n\n // ():uint\n readUEG () {\n let clz = this.skipLZ(); // :uint\n return this.readBits(clz + 1) - 1;\n }\n\n // ():int\n readEG () {\n let valu = this.readUEG(); // :int\n if (0x01 & valu) {\n // the number is odd if the low order bit is set\n return (1 + valu) >>> 1; // add 1 to make it even, and divide by 2\n } else {\n return -1 * (valu >>> 1); // divide by two then make it negative\n }\n }\n\n // Some convenience functions\n // :Boolean\n readBoolean () {\n return this.readBits(1) === 1;\n }\n\n // ():int\n readUByte () {\n return this.readBits(8);\n }\n\n // ():int\n readUShort () {\n return this.readBits(16);\n }\n // ():int\n readUInt () {\n return this.readBits(32);\n }\n\n /**\n * Advance the ExpGolomb decoder past a scaling list. The scaling\n * list is optionally transmitted as part of a sequence parameter\n * set and is not relevant to transmuxing.\n * @param count {number} the number of entries in this scaling list\n * @see Recommendation ITU-T H.264, Section 7.3.2.1.1.1\n */\n skipScalingList (count) {\n let\n lastScale = 8,\n nextScale = 8,\n j,\n deltaScale;\n for (j = 0; j < count; j++) {\n if (nextScale !== 0) {\n deltaScale = this.readEG();\n nextScale = (lastScale + deltaScale + 256) % 256;\n }\n lastScale = (nextScale === 0) ? lastScale : nextScale;\n }\n }\n\n /**\n * Read a sequence parameter set and return some interesting video\n * properties. A sequence parameter set is the H264 metadata that\n * describes the properties of upcoming video frames.\n * @param data {Uint8Array} the bytes of a sequence parameter set\n * @return {object} an object with configuration parsed from the\n * sequence parameter set, including the dimensions of the\n * associated video frames.\n */\n readSPS () {\n let\n frameCropLeftOffset = 0,\n frameCropRightOffset = 0,\n frameCropTopOffset = 0,\n frameCropBottomOffset = 0,\n profileIdc, profileCompat, levelIdc,\n numRefFramesInPicOrderCntCycle, picWidthInMbsMinus1,\n picHeightInMapUnitsMinus1,\n frameMbsOnlyFlag,\n scalingListCount,\n i,\n readUByte = this.readUByte.bind(this),\n readBits = this.readBits.bind(this),\n readUEG = this.readUEG.bind(this),\n readBoolean = this.readBoolean.bind(this),\n skipBits = this.skipBits.bind(this),\n skipEG = this.skipEG.bind(this),\n skipUEG = this.skipUEG.bind(this),\n skipScalingList = this.skipScalingList.bind(this);\n\n readUByte();\n profileIdc = readUByte(); // profile_idc\n profileCompat = readBits(5); // constraint_set[0-4]_flag, u(5)\n skipBits(3); // reserved_zero_3bits u(3),\n levelIdc = readUByte(); // level_idc u(8)\n skipUEG(); // seq_parameter_set_id\n // some profiles have more optional data we don't need\n if (profileIdc === 100 ||\n profileIdc === 110 ||\n profileIdc === 122 ||\n profileIdc === 244 ||\n profileIdc === 44 ||\n profileIdc === 83 ||\n profileIdc === 86 ||\n profileIdc === 118 ||\n profileIdc === 128) {\n let chromaFormatIdc = readUEG();\n if (chromaFormatIdc === 3) {\n skipBits(1);\n } // separate_colour_plane_flag\n\n skipUEG(); // bit_depth_luma_minus8\n skipUEG(); // bit_depth_chroma_minus8\n skipBits(1); // qpprime_y_zero_transform_bypass_flag\n if (readBoolean()) { // seq_scaling_matrix_present_flag\n scalingListCount = (chromaFormatIdc !== 3) ? 8 : 12;\n for (i = 0; i < scalingListCount; i++) {\n if (readBoolean()) { // seq_scaling_list_present_flag[ i ]\n if (i < 6) {\n skipScalingList(16);\n } else {\n skipScalingList(64);\n }\n }\n }\n }\n }\n skipUEG(); // log2_max_frame_num_minus4\n let picOrderCntType = readUEG();\n if (picOrderCntType === 0) {\n readUEG(); // log2_max_pic_order_cnt_lsb_minus4\n } else if (picOrderCntType === 1) {\n skipBits(1); // delta_pic_order_always_zero_flag\n skipEG(); // offset_for_non_ref_pic\n skipEG(); // offset_for_top_to_bottom_field\n numRefFramesInPicOrderCntCycle = readUEG();\n for (i = 0; i < numRefFramesInPicOrderCntCycle; i++) {\n skipEG();\n } // offset_for_ref_frame[ i ]\n }\n skipUEG(); // max_num_ref_frames\n skipBits(1); // gaps_in_frame_num_value_allowed_flag\n picWidthInMbsMinus1 = readUEG();\n picHeightInMapUnitsMinus1 = readUEG();\n frameMbsOnlyFlag = readBits(1);\n if (frameMbsOnlyFlag === 0) {\n skipBits(1);\n } // mb_adaptive_frame_field_flag\n\n skipBits(1); // direct_8x8_inference_flag\n if (readBoolean()) { // frame_cropping_flag\n frameCropLeftOffset = readUEG();\n frameCropRightOffset = readUEG();\n frameCropTopOffset = readUEG();\n frameCropBottomOffset = readUEG();\n }\n let pixelRatio = [1, 1];\n if (readBoolean()) {\n // vui_parameters_present_flag\n if (readBoolean()) {\n // aspect_ratio_info_present_flag\n const aspectRatioIdc = readUByte();\n switch (aspectRatioIdc) {\n case 1: pixelRatio = [1, 1]; break;\n case 2: pixelRatio = [12, 11]; break;\n case 3: pixelRatio = [10, 11]; break;\n case 4: pixelRatio = [16, 11]; break;\n case 5: pixelRatio = [40, 33]; break;\n case 6: pixelRatio = [24, 11]; break;\n case 7: pixelRatio = [20, 11]; break;\n case 8: pixelRatio = [32, 11]; break;\n case 9: pixelRatio = [80, 33]; break;\n case 10: pixelRatio = [18, 11]; break;\n case 11: pixelRatio = [15, 11]; break;\n case 12: pixelRatio = [64, 33]; break;\n case 13: pixelRatio = [160, 99]; break;\n case 14: pixelRatio = [4, 3]; break;\n case 15: pixelRatio = [3, 2]; break;\n case 16: pixelRatio = [2, 1]; break;\n case 255: {\n pixelRatio = [readUByte() << 8 | readUByte(), readUByte() << 8 | readUByte()];\n break;\n }\n }\n }\n }\n return {\n width: Math.ceil((((picWidthInMbsMinus1 + 1) * 16) - frameCropLeftOffset * 2 - frameCropRightOffset * 2)),\n height: ((2 - frameMbsOnlyFlag) * (picHeightInMapUnitsMinus1 + 1) * 16) - ((frameMbsOnlyFlag ? 2 : 4) * (frameCropTopOffset + frameCropBottomOffset)),\n pixelRatio: pixelRatio\n };\n }\n\n readSliceType () {\n // skip NALu type\n this.readUByte();\n // discard first_mb_in_slice\n this.readUEG();\n // return slice_type\n return this.readUEG();\n }\n}\n\nexport default ExpGolomb;\n","/**\n * SAMPLE-AES decrypter\n*/\n\nimport Decrypter from '../crypt/decrypter';\n\nclass SampleAesDecrypter {\n constructor (observer, config, decryptdata, discardEPB) {\n this.decryptdata = decryptdata;\n this.discardEPB = discardEPB;\n this.decrypter = new Decrypter(observer, config, { removePKCS7Padding: false });\n }\n\n decryptBuffer (encryptedData, callback) {\n this.decrypter.decrypt(encryptedData, this.decryptdata.key.buffer, this.decryptdata.iv.buffer, callback);\n }\n\n // AAC - encrypt all full 16 bytes blocks starting from offset 16\n decryptAacSample (samples, sampleIndex, callback, sync) {\n let curUnit = samples[sampleIndex].unit;\n let encryptedData = curUnit.subarray(16, curUnit.length - curUnit.length % 16);\n let encryptedBuffer = encryptedData.buffer.slice(\n encryptedData.byteOffset,\n encryptedData.byteOffset + encryptedData.length);\n\n let localthis = this;\n this.decryptBuffer(encryptedBuffer, function (decryptedData) {\n decryptedData = new Uint8Array(decryptedData);\n curUnit.set(decryptedData, 16);\n\n if (!sync) {\n localthis.decryptAacSamples(samples, sampleIndex + 1, callback);\n }\n });\n }\n\n decryptAacSamples (samples, sampleIndex, callback) {\n for (;; sampleIndex++) {\n if (sampleIndex >= samples.length) {\n callback();\n return;\n }\n\n if (samples[sampleIndex].unit.length < 32) {\n continue;\n }\n\n let sync = this.decrypter.isSync();\n\n this.decryptAacSample(samples, sampleIndex, callback, sync);\n\n if (!sync) {\n return;\n }\n }\n }\n\n // AVC - encrypt one 16 bytes block out of ten, starting from offset 32\n getAvcEncryptedData (decodedData) {\n let encryptedDataLen = Math.floor((decodedData.length - 48) / 160) * 16 + 16;\n let encryptedData = new Int8Array(encryptedDataLen);\n let outputPos = 0;\n for (let inputPos = 32; inputPos <= decodedData.length - 16; inputPos += 160, outputPos += 16) {\n encryptedData.set(decodedData.subarray(inputPos, inputPos + 16), outputPos);\n }\n\n return encryptedData;\n }\n\n getAvcDecryptedUnit (decodedData, decryptedData) {\n decryptedData = new Uint8Array(decryptedData);\n let inputPos = 0;\n for (let outputPos = 32; outputPos <= decodedData.length - 16; outputPos += 160, inputPos += 16) {\n decodedData.set(decryptedData.subarray(inputPos, inputPos + 16), outputPos);\n }\n\n return decodedData;\n }\n\n decryptAvcSample (samples, sampleIndex, unitIndex, callback, curUnit, sync) {\n let decodedData = this.discardEPB(curUnit.data);\n let encryptedData = this.getAvcEncryptedData(decodedData);\n let localthis = this;\n\n this.decryptBuffer(encryptedData.buffer, function (decryptedData) {\n curUnit.data = localthis.getAvcDecryptedUnit(decodedData, decryptedData);\n\n if (!sync) {\n localthis.decryptAvcSamples(samples, sampleIndex, unitIndex + 1, callback);\n }\n });\n }\n\n decryptAvcSamples (samples, sampleIndex, unitIndex, callback) {\n for (;; sampleIndex++, unitIndex = 0) {\n if (sampleIndex >= samples.length) {\n callback();\n return;\n }\n\n let curUnits = samples[sampleIndex].units;\n for (;; unitIndex++) {\n if (unitIndex >= curUnits.length) {\n break;\n }\n\n let curUnit = curUnits[unitIndex];\n if (curUnit.length <= 48 || (curUnit.type !== 1 && curUnit.type !== 5)) {\n continue;\n }\n\n let sync = this.decrypter.isSync();\n\n this.decryptAvcSample(samples, sampleIndex, unitIndex, callback, curUnit, sync);\n\n if (!sync) {\n return;\n }\n }\n }\n }\n}\n\nexport default SampleAesDecrypter;\n","/**\n * highly optimized TS demuxer:\n * parse PAT, PMT\n * extract PES packet from audio and video PIDs\n * extract AVC/H264 NAL units and AAC/ADTS samples from PES packet\n * trigger the remuxer upon parsing completion\n * it also tries to workaround as best as it can audio codec switch (HE-AAC to AAC and vice versa), without having to restart the MediaSource.\n * it also controls the remuxing process :\n * upon discontinuity or level switch detection, it will also notifies the remuxer so that it can reset its state.\n*/\n\nimport * as ADTS from './adts';\nimport MpegAudio from './mpegaudio';\nimport Event from '../events';\nimport ExpGolomb from './exp-golomb';\nimport SampleAesDecrypter from './sample-aes';\n// import Hex from '../utils/hex';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { utf8ArrayToStr } from './id3';\n\n// We are using fixed track IDs for driving the MP4 remuxer\n// instead of following the TS PIDs.\n// There is no reason not to do this and some browsers/SourceBuffer-demuxers\n// may not like if there are TrackID \"switches\"\n// See https://github.com/video-dev/hls.js/issues/1331\n// Here we are mapping our internal track types to constant MP4 track IDs\n// With MSE currently one can only have one track of each, and we are muxing\n// whatever video/audio rendition in them.\nconst RemuxerTrackIdConfig = {\n video: 1,\n audio: 2,\n id3: 3,\n text: 4\n};\n\nclass TSDemuxer {\n constructor (observer, remuxer, config, typeSupported) {\n this.observer = observer;\n this.config = config;\n this.typeSupported = typeSupported;\n this.remuxer = remuxer;\n this.sampleAes = null;\n }\n\n setDecryptData (decryptdata) {\n if ((decryptdata != null) && (decryptdata.key != null) && (decryptdata.method === 'SAMPLE-AES')) {\n this.sampleAes = new SampleAesDecrypter(this.observer, this.config, decryptdata, this.discardEPB);\n } else {\n this.sampleAes = null;\n }\n }\n\n static probe (data) {\n const syncOffset = TSDemuxer._syncOffset(data);\n if (syncOffset < 0) {\n return false;\n } else {\n if (syncOffset) {\n logger.warn(`MPEG2-TS detected but first sync word found @ offset ${syncOffset}, junk ahead ?`);\n }\n\n return true;\n }\n }\n\n static _syncOffset (data) {\n // scan 1000 first bytes\n const scanwindow = Math.min(1000, data.length - 3 * 188);\n let i = 0;\n while (i < scanwindow) {\n // a TS fragment should contain at least 3 TS packets, a PAT, a PMT, and one PID, each starting with 0x47\n if (data[i] === 0x47 && data[i + 188] === 0x47 && data[i + 2 * 188] === 0x47) {\n return i;\n } else {\n i++;\n }\n }\n return -1;\n }\n\n /**\n * Creates a track model internal to demuxer used to drive remuxing input\n *\n * @param {string} type 'audio' | 'video' | 'id3' | 'text'\n * @param {number} duration\n * @return {object} TSDemuxer's internal track model\n */\n static createTrack (type, duration) {\n return {\n container: type === 'video' || type === 'audio' ? 'video/mp2t' : undefined,\n type,\n id: RemuxerTrackIdConfig[type],\n pid: -1,\n inputTimeScale: 90000,\n sequenceNumber: 0,\n samples: [],\n dropped: type === 'video' ? 0 : undefined,\n isAAC: type === 'audio' ? true : undefined,\n duration: type === 'audio' ? duration : undefined\n };\n }\n\n /**\n * Initializes a new init segment on the demuxer/remuxer interface. Needed for discontinuities/track-switches (or at stream start)\n * Resets all internal track instances of the demuxer.\n *\n * @override Implements generic demuxing/remuxing interface (see DemuxerInline)\n * @param {object} initSegment\n * @param {string} audioCodec\n * @param {string} videoCodec\n * @param {number} duration (in TS timescale = 90kHz)\n */\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this.pmtParsed = false;\n this._pmtId = -1;\n\n this._avcTrack = TSDemuxer.createTrack('video', duration);\n this._audioTrack = TSDemuxer.createTrack('audio', duration);\n this._id3Track = TSDemuxer.createTrack('id3', duration);\n this._txtTrack = TSDemuxer.createTrack('text', duration);\n\n // flush any partial content\n this.aacOverFlow = null;\n this.aacLastPTS = null;\n this.avcSample = null;\n this.audioCodec = audioCodec;\n this.videoCodec = videoCodec;\n this._duration = duration;\n }\n\n /**\n *\n * @override\n */\n resetTimeStamp () {}\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let start, len = data.length, stt, pid, atf, offset, pes,\n unknownPIDs = false;\n this.contiguous = contiguous;\n let pmtParsed = this.pmtParsed,\n avcTrack = this._avcTrack,\n audioTrack = this._audioTrack,\n id3Track = this._id3Track,\n avcId = avcTrack.pid,\n audioId = audioTrack.pid,\n id3Id = id3Track.pid,\n pmtId = this._pmtId,\n avcData = avcTrack.pesData,\n audioData = audioTrack.pesData,\n id3Data = id3Track.pesData,\n parsePAT = this._parsePAT,\n parsePMT = this._parsePMT,\n parsePES = this._parsePES,\n parseAVCPES = this._parseAVCPES.bind(this),\n parseAACPES = this._parseAACPES.bind(this),\n parseMPEGPES = this._parseMPEGPES.bind(this),\n parseID3PES = this._parseID3PES.bind(this);\n\n const syncOffset = TSDemuxer._syncOffset(data);\n\n // don't parse last TS packet if incomplete\n len -= (len + syncOffset) % 188;\n\n // loop through TS packets\n for (start = syncOffset; start < len; start += 188) {\n if (data[start] === 0x47) {\n stt = !!(data[start + 1] & 0x40);\n // pid is a 13-bit field starting at the last bit of TS[1]\n pid = ((data[start + 1] & 0x1f) << 8) + data[start + 2];\n atf = (data[start + 3] & 0x30) >> 4;\n // if an adaption field is present, its length is specified by the fifth byte of the TS packet header.\n if (atf > 1) {\n offset = start + 5 + data[start + 4];\n // continue if there is only adaptation field\n if (offset === (start + 188)) {\n continue;\n }\n } else {\n offset = start + 4;\n }\n switch (pid) {\n case avcId:\n if (stt) {\n if (avcData && (pes = parsePES(avcData))) {\n parseAVCPES(pes, false);\n }\n\n avcData = { data: [], size: 0 };\n }\n if (avcData) {\n avcData.data.push(data.subarray(offset, start + 188));\n avcData.size += start + 188 - offset;\n }\n break;\n case audioId:\n if (stt) {\n if (audioData && (pes = parsePES(audioData))) {\n if (audioTrack.isAAC) {\n parseAACPES(pes);\n } else {\n parseMPEGPES(pes);\n }\n }\n audioData = { data: [], size: 0 };\n }\n if (audioData) {\n audioData.data.push(data.subarray(offset, start + 188));\n audioData.size += start + 188 - offset;\n }\n break;\n case id3Id:\n if (stt) {\n if (id3Data && (pes = parsePES(id3Data))) {\n parseID3PES(pes);\n }\n\n id3Data = { data: [], size: 0 };\n }\n if (id3Data) {\n id3Data.data.push(data.subarray(offset, start + 188));\n id3Data.size += start + 188 - offset;\n }\n break;\n case 0:\n if (stt) {\n offset += data[offset] + 1;\n }\n\n pmtId = this._pmtId = parsePAT(data, offset);\n break;\n case pmtId:\n if (stt) {\n offset += data[offset] + 1;\n }\n\n let parsedPIDs = parsePMT(data, offset, this.typeSupported.mpeg === true || this.typeSupported.mp3 === true, this.sampleAes != null);\n\n // only update track id if track PID found while parsing PMT\n // this is to avoid resetting the PID to -1 in case\n // track PID transiently disappears from the stream\n // this could happen in case of transient missing audio samples for example\n // NOTE this is only the PID of the track as found in TS,\n // but we are not using this for MP4 track IDs.\n avcId = parsedPIDs.avc;\n if (avcId > 0) {\n avcTrack.pid = avcId;\n }\n\n audioId = parsedPIDs.audio;\n if (audioId > 0) {\n audioTrack.pid = audioId;\n audioTrack.isAAC = parsedPIDs.isAAC;\n }\n id3Id = parsedPIDs.id3;\n if (id3Id > 0) {\n id3Track.pid = id3Id;\n }\n\n if (unknownPIDs && !pmtParsed) {\n logger.log('reparse from beginning');\n unknownPIDs = false;\n // we set it to -188, the += 188 in the for loop will reset start to 0\n start = syncOffset - 188;\n }\n pmtParsed = this.pmtParsed = true;\n break;\n case 17:\n case 0x1fff:\n break;\n default:\n unknownPIDs = true;\n break;\n }\n } else {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: false, reason: 'TS packet did not start with 0x47' });\n }\n }\n // try to parse last PES packets\n if (avcData && (pes = parsePES(avcData))) {\n parseAVCPES(pes, true);\n avcTrack.pesData = null;\n } else {\n // either avcData null or PES truncated, keep it for next frag parsing\n avcTrack.pesData = avcData;\n }\n\n if (audioData && (pes = parsePES(audioData))) {\n if (audioTrack.isAAC) {\n parseAACPES(pes);\n } else {\n parseMPEGPES(pes);\n }\n\n audioTrack.pesData = null;\n } else {\n if (audioData && audioData.size) {\n logger.log('last AAC PES packet truncated,might overlap between fragments');\n }\n\n // either audioData null or PES truncated, keep it for next frag parsing\n audioTrack.pesData = audioData;\n }\n\n if (id3Data && (pes = parsePES(id3Data))) {\n parseID3PES(pes);\n id3Track.pesData = null;\n } else {\n // either id3Data null or PES truncated, keep it for next frag parsing\n id3Track.pesData = id3Data;\n }\n\n if (this.sampleAes == null) {\n this.remuxer.remux(audioTrack, avcTrack, id3Track, this._txtTrack, timeOffset, contiguous, accurateTimeOffset);\n } else {\n this.decryptAndRemux(audioTrack, avcTrack, id3Track, this._txtTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n decryptAndRemux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n if (audioTrack.samples && audioTrack.isAAC) {\n let localthis = this;\n this.sampleAes.decryptAacSamples(audioTrack.samples, 0, function () {\n localthis.decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n });\n } else {\n this.decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n decryptAndRemuxAvc (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n if (videoTrack.samples) {\n let localthis = this;\n this.sampleAes.decryptAvcSamples(videoTrack.samples, 0, 0, function () {\n localthis.remuxer.remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n });\n } else {\n this.remuxer.remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n destroy () {\n this._initPTS = this._initDTS = undefined;\n this._duration = 0;\n }\n\n _parsePAT (data, offset) {\n // skip the PSI header and parse the first PMT entry\n return (data[offset + 10] & 0x1F) << 8 | data[offset + 11];\n // logger.log('PMT PID:' + this._pmtId);\n }\n\n _parsePMT (data, offset, mpegSupported, isSampleAes) {\n let sectionLength, tableEnd, programInfoLength, pid, result = { audio: -1, avc: -1, id3: -1, isAAC: true };\n sectionLength = (data[offset + 1] & 0x0f) << 8 | data[offset + 2];\n tableEnd = offset + 3 + sectionLength - 4;\n // to determine where the table is, we have to figure out how\n // long the program info descriptors are\n programInfoLength = (data[offset + 10] & 0x0f) << 8 | data[offset + 11];\n // advance the offset to the first entry in the mapping table\n offset += 12 + programInfoLength;\n while (offset < tableEnd) {\n pid = (data[offset + 1] & 0x1F) << 8 | data[offset + 2];\n switch (data[offset]) {\n case 0xcf: // SAMPLE-AES AAC\n if (!isSampleAes) {\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n /* falls through */\n\n // ISO/IEC 13818-7 ADTS AAC (MPEG-2 lower bit-rate audio)\n case 0x0f:\n // logger.log('AAC PID:' + pid);\n if (result.audio === -1) {\n result.audio = pid;\n }\n\n break;\n\n // Packetized metadata (ID3)\n case 0x15:\n // logger.log('ID3 PID:' + pid);\n if (result.id3 === -1) {\n result.id3 = pid;\n }\n\n break;\n\n case 0xdb: // SAMPLE-AES AVC\n if (!isSampleAes) {\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n /* falls through */\n\n // ITU-T Rec. H.264 and ISO/IEC 14496-10 (lower bit-rate video)\n case 0x1b:\n // logger.log('AVC PID:' + pid);\n if (result.avc === -1) {\n result.avc = pid;\n }\n\n break;\n\n // ISO/IEC 11172-3 (MPEG-1 audio)\n // or ISO/IEC 13818-3 (MPEG-2 halved sample rate audio)\n case 0x03:\n case 0x04:\n // logger.log('MPEG PID:' + pid);\n if (!mpegSupported) {\n logger.log('MPEG audio found, not supported in this browser for now');\n } else if (result.audio === -1) {\n result.audio = pid;\n result.isAAC = false;\n }\n break;\n\n case 0x24:\n logger.warn('HEVC stream type found, not supported for now');\n break;\n\n default:\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n // move to the next table entry\n // skip past the elementary stream descriptors, if present\n offset += ((data[offset + 3] & 0x0F) << 8 | data[offset + 4]) + 5;\n }\n return result;\n }\n\n _parsePES (stream) {\n let i = 0, frag, pesFlags, pesPrefix, pesLen, pesHdrLen, pesData, pesPts, pesDts, payloadStartOffset, data = stream.data;\n // safety check\n if (!stream || stream.size === 0) {\n return null;\n }\n\n // we might need up to 19 bytes to read PES header\n // if first chunk of data is less than 19 bytes, let's merge it with following ones until we get 19 bytes\n // usually only one merge is needed (and this is rare ...)\n while (data[0].length < 19 && data.length > 1) {\n let newData = new Uint8Array(data[0].length + data[1].length);\n newData.set(data[0]);\n newData.set(data[1], data[0].length);\n data[0] = newData;\n data.splice(1, 1);\n }\n // retrieve PTS/DTS from first fragment\n frag = data[0];\n pesPrefix = (frag[0] << 16) + (frag[1] << 8) + frag[2];\n if (pesPrefix === 1) {\n pesLen = (frag[4] << 8) + frag[5];\n // if PES parsed length is not zero and greater than total received length, stop parsing. PES might be truncated\n // minus 6 : PES header size\n if (pesLen && pesLen > stream.size - 6) {\n return null;\n }\n\n pesFlags = frag[7];\n if (pesFlags & 0xC0) {\n /* PES header described here : http://dvd.sourceforge.net/dvdinfo/pes-hdr.html\n as PTS / DTS is 33 bit we cannot use bitwise operator in JS,\n as Bitwise operators treat their operands as a sequence of 32 bits */\n pesPts = (frag[9] & 0x0E) * 536870912 +// 1 << 29\n (frag[10] & 0xFF) * 4194304 +// 1 << 22\n (frag[11] & 0xFE) * 16384 +// 1 << 14\n (frag[12] & 0xFF) * 128 +// 1 << 7\n (frag[13] & 0xFE) / 2;\n // check if greater than 2^32 -1\n if (pesPts > 4294967295) {\n // decrement 2^33\n pesPts -= 8589934592;\n }\n if (pesFlags & 0x40) {\n pesDts = (frag[14] & 0x0E) * 536870912 +// 1 << 29\n (frag[15] & 0xFF) * 4194304 +// 1 << 22\n (frag[16] & 0xFE) * 16384 +// 1 << 14\n (frag[17] & 0xFF) * 128 +// 1 << 7\n (frag[18] & 0xFE) / 2;\n // check if greater than 2^32 -1\n if (pesDts > 4294967295) {\n // decrement 2^33\n pesDts -= 8589934592;\n }\n if (pesPts - pesDts > 60 * 90000) {\n logger.warn(`${Math.round((pesPts - pesDts) / 90000)}s delta between PTS and DTS, align them`);\n pesPts = pesDts;\n }\n } else {\n pesDts = pesPts;\n }\n }\n pesHdrLen = frag[8];\n // 9 bytes : 6 bytes for PES header + 3 bytes for PES extension\n payloadStartOffset = pesHdrLen + 9;\n\n if (stream.size <= payloadStartOffset) {\n return null;\n }\n stream.size -= payloadStartOffset;\n // reassemble PES packet\n pesData = new Uint8Array(stream.size);\n for (let j = 0, dataLen = data.length; j < dataLen; j++) {\n frag = data[j];\n let len = frag.byteLength;\n if (payloadStartOffset) {\n if (payloadStartOffset > len) {\n // trim full frag if PES header bigger than frag\n payloadStartOffset -= len;\n continue;\n } else {\n // trim partial frag if PES header smaller than frag\n frag = frag.subarray(payloadStartOffset);\n len -= payloadStartOffset;\n payloadStartOffset = 0;\n }\n }\n pesData.set(frag, i);\n i += len;\n }\n if (pesLen) {\n // payload size : remove PES header + PES extension\n pesLen -= pesHdrLen + 3;\n }\n return { data: pesData, pts: pesPts, dts: pesDts, len: pesLen };\n } else {\n return null;\n }\n }\n\n pushAccesUnit (avcSample, avcTrack) {\n if (avcSample.units.length && avcSample.frame) {\n const samples = avcTrack.samples;\n const nbSamples = samples.length;\n // if sample does not have PTS/DTS, patch with last sample PTS/DTS\n if (isNaN(avcSample.pts)) {\n if (nbSamples) {\n const lastSample = samples[nbSamples - 1];\n avcSample.pts = lastSample.pts;\n avcSample.dts = lastSample.dts;\n } else {\n // dropping samples, no timestamp found\n avcTrack.dropped++;\n return;\n }\n }\n // only push AVC sample if starting with a keyframe is not mandatory OR\n // if keyframe already found in this fragment OR\n // keyframe found in last fragment (track.sps) AND\n // samples already appended (we already found a keyframe in this fragment) OR fragment is contiguous\n if (!this.config.forceKeyFrameOnDiscontinuity ||\n avcSample.key === true ||\n (avcTrack.sps && (nbSamples || this.contiguous))) {\n avcSample.id = nbSamples;\n samples.push(avcSample);\n } else {\n // dropped samples, track it\n avcTrack.dropped++;\n }\n }\n if (avcSample.debug.length) {\n logger.log(avcSample.pts + '/' + avcSample.dts + ':' + avcSample.debug);\n }\n }\n\n _parseAVCPES (pes, last) {\n // logger.log('parse new PES');\n let track = this._avcTrack,\n units = this._parseAVCNALu(pes.data),\n debug = false,\n expGolombDecoder,\n avcSample = this.avcSample,\n push,\n spsfound = false,\n i,\n pushAccesUnit = this.pushAccesUnit.bind(this),\n createAVCSample = function (key, pts, dts, debug) {\n return { key: key, pts: pts, dts: dts, units: [], debug: debug };\n };\n // free pes.data to save up some memory\n pes.data = null;\n\n // if new NAL units found and last sample still there, let's push ...\n // this helps parsing streams with missing AUD (only do this if AUD never found)\n if (avcSample && units.length && !track.audFound) {\n pushAccesUnit(avcSample, track);\n avcSample = this.avcSample = createAVCSample(false, pes.pts, pes.dts, '');\n }\n\n units.forEach(unit => {\n switch (unit.type) {\n // NDR\n case 1:\n push = true;\n if (!avcSample) {\n avcSample = this.avcSample = createAVCSample(true, pes.pts, pes.dts, '');\n }\n\n if (debug) {\n avcSample.debug += 'NDR ';\n }\n\n avcSample.frame = true;\n let data = unit.data;\n // only check slice type to detect KF in case SPS found in same packet (any keyframe is preceded by SPS ...)\n if (spsfound && data.length > 4) {\n // retrieve slice type by parsing beginning of NAL unit (follow H264 spec, slice_header definition) to detect keyframe embedded in NDR\n let sliceType = new ExpGolomb(data).readSliceType();\n // 2 : I slice, 4 : SI slice, 7 : I slice, 9: SI slice\n // SI slice : A slice that is coded using intra prediction only and using quantisation of the prediction samples.\n // An SI slice can be coded such that its decoded samples can be constructed identically to an SP slice.\n // I slice: A slice that is not an SI slice that is decoded using intra prediction only.\n // if (sliceType === 2 || sliceType === 7) {\n if (sliceType === 2 || sliceType === 4 || sliceType === 7 || sliceType === 9) {\n avcSample.key = true;\n }\n }\n break;\n // IDR\n case 5:\n push = true;\n // handle PES not starting with AUD\n if (!avcSample) {\n avcSample = this.avcSample = createAVCSample(true, pes.pts, pes.dts, '');\n }\n\n if (debug) {\n avcSample.debug += 'IDR ';\n }\n\n avcSample.key = true;\n avcSample.frame = true;\n break;\n // SEI\n case 6:\n push = true;\n if (debug && avcSample) {\n avcSample.debug += 'SEI ';\n }\n\n expGolombDecoder = new ExpGolomb(this.discardEPB(unit.data));\n\n // skip frameType\n expGolombDecoder.readUByte();\n\n var payloadType = 0;\n var payloadSize = 0;\n var endOfCaptions = false;\n var b = 0;\n\n while (!endOfCaptions && expGolombDecoder.bytesAvailable > 1) {\n payloadType = 0;\n do {\n b = expGolombDecoder.readUByte();\n payloadType += b;\n } while (b === 0xFF);\n\n // Parse payload size.\n payloadSize = 0;\n do {\n b = expGolombDecoder.readUByte();\n payloadSize += b;\n } while (b === 0xFF);\n\n // TODO: there can be more than one payload in an SEI packet...\n // TODO: need to read type and size in a while loop to get them all\n if (payloadType === 4 && expGolombDecoder.bytesAvailable !== 0) {\n endOfCaptions = true;\n\n let countryCode = expGolombDecoder.readUByte();\n\n if (countryCode === 181) {\n let providerCode = expGolombDecoder.readUShort();\n\n if (providerCode === 49) {\n let userStructure = expGolombDecoder.readUInt();\n\n if (userStructure === 0x47413934) {\n let userDataType = expGolombDecoder.readUByte();\n\n // Raw CEA-608 bytes wrapped in CEA-708 packet\n if (userDataType === 3) {\n let firstByte = expGolombDecoder.readUByte();\n let secondByte = expGolombDecoder.readUByte();\n\n let totalCCs = 31 & firstByte;\n let byteArray = [firstByte, secondByte];\n\n for (i = 0; i < totalCCs; i++) {\n // 3 bytes per CC\n byteArray.push(expGolombDecoder.readUByte());\n byteArray.push(expGolombDecoder.readUByte());\n byteArray.push(expGolombDecoder.readUByte());\n }\n\n this._insertSampleInOrder(this._txtTrack.samples, { type: 3, pts: pes.pts, bytes: byteArray });\n }\n }\n }\n }\n } else if (payloadType === 5 && expGolombDecoder.bytesAvailable !== 0) {\n endOfCaptions = true;\n\n if (payloadSize > 16) {\n const uuidStrArray = [];\n for (i = 0; i < 16; i++) {\n uuidStrArray.push(expGolombDecoder.readUByte().toString(16));\n\n if (i === 3 || i === 5 || i === 7 || i === 9) {\n uuidStrArray.push('-');\n }\n }\n const length = payloadSize - 16;\n const userDataPayloadBytes = new Uint8Array(length);\n for (i = 0; i < length; i++) {\n userDataPayloadBytes[i] = expGolombDecoder.readUByte();\n }\n\n this._insertSampleInOrder(this._txtTrack.samples, {\n pts: pes.pts,\n payloadType: payloadType,\n uuid: uuidStrArray.join(''),\n userDataBytes: userDataPayloadBytes,\n userData: utf8ArrayToStr(userDataPayloadBytes.buffer)\n });\n }\n } else if (payloadSize < expGolombDecoder.bytesAvailable) {\n for (i = 0; i < payloadSize; i++) {\n expGolombDecoder.readUByte();\n }\n }\n }\n break;\n // SPS\n case 7:\n push = true;\n spsfound = true;\n if (debug && avcSample) {\n avcSample.debug += 'SPS ';\n }\n\n if (!track.sps) {\n expGolombDecoder = new ExpGolomb(unit.data);\n let config = expGolombDecoder.readSPS();\n track.width = config.width;\n track.height = config.height;\n track.pixelRatio = config.pixelRatio;\n track.sps = [unit.data];\n track.duration = this._duration;\n let codecarray = unit.data.subarray(1, 4);\n let codecstring = 'avc1.';\n for (i = 0; i < 3; i++) {\n let h = codecarray[i].toString(16);\n if (h.length < 2) {\n h = '0' + h;\n }\n\n codecstring += h;\n }\n track.codec = codecstring;\n }\n break;\n // PPS\n case 8:\n push = true;\n if (debug && avcSample) {\n avcSample.debug += 'PPS ';\n }\n\n if (!track.pps) {\n track.pps = [unit.data];\n }\n\n break;\n // AUD\n case 9:\n push = false;\n track.audFound = true;\n if (avcSample) {\n pushAccesUnit(avcSample, track);\n }\n\n avcSample = this.avcSample = createAVCSample(false, pes.pts, pes.dts, debug ? 'AUD ' : '');\n break;\n // Filler Data\n case 12:\n push = false;\n break;\n default:\n push = false;\n if (avcSample) {\n avcSample.debug += 'unknown NAL ' + unit.type + ' ';\n }\n\n break;\n }\n if (avcSample && push) {\n let units = avcSample.units;\n units.push(unit);\n }\n });\n // if last PES packet, push samples\n if (last && avcSample) {\n pushAccesUnit(avcSample, track);\n this.avcSample = null;\n }\n }\n\n _insertSampleInOrder (arr, data) {\n let len = arr.length;\n if (len > 0) {\n if (data.pts >= arr[len - 1].pts) {\n arr.push(data);\n } else {\n for (let pos = len - 1; pos >= 0; pos--) {\n if (data.pts < arr[pos].pts) {\n arr.splice(pos, 0, data);\n break;\n }\n }\n }\n } else {\n arr.push(data);\n }\n }\n\n _getLastNalUnit () {\n let avcSample = this.avcSample, lastUnit;\n // try to fallback to previous sample if current one is empty\n if (!avcSample || avcSample.units.length === 0) {\n let track = this._avcTrack, samples = track.samples;\n avcSample = samples[samples.length - 1];\n }\n if (avcSample) {\n let units = avcSample.units;\n lastUnit = units[units.length - 1];\n }\n return lastUnit;\n }\n\n _parseAVCNALu (array) {\n let i = 0, len = array.byteLength, value, overflow, track = this._avcTrack, state = track.naluState || 0, lastState = state;\n let units = [], unit, unitType, lastUnitStart = -1, lastUnitType;\n // logger.log('PES:' + Hex.hexDump(array));\n\n if (state === -1) {\n // special use case where we found 3 or 4-byte start codes exactly at the end of previous PES packet\n lastUnitStart = 0;\n // NALu type is value read from offset 0\n lastUnitType = array[0] & 0x1f;\n state = 0;\n i = 1;\n }\n\n while (i < len) {\n value = array[i++];\n // optimization. state 0 and 1 are the predominant case. let's handle them outside of the switch/case\n if (!state) {\n state = value ? 0 : 1;\n continue;\n }\n if (state === 1) {\n state = value ? 0 : 2;\n continue;\n }\n // here we have state either equal to 2 or 3\n if (!value) {\n state = 3;\n } else if (value === 1) {\n if (lastUnitStart >= 0) {\n unit = { data: array.subarray(lastUnitStart, i - state - 1), type: lastUnitType };\n // logger.log('pushing NALU, type/size:' + unit.type + '/' + unit.data.byteLength);\n units.push(unit);\n } else {\n // lastUnitStart is undefined => this is the first start code found in this PES packet\n // first check if start code delimiter is overlapping between 2 PES packets,\n // ie it started in last packet (lastState not zero)\n // and ended at the beginning of this PES packet (i <= 4 - lastState)\n let lastUnit = this._getLastNalUnit();\n if (lastUnit) {\n if (lastState && (i <= 4 - lastState)) {\n // start delimiter overlapping between PES packets\n // strip start delimiter bytes from the end of last NAL unit\n // check if lastUnit had a state different from zero\n if (lastUnit.state) {\n // strip last bytes\n lastUnit.data = lastUnit.data.subarray(0, lastUnit.data.byteLength - lastState);\n }\n }\n // If NAL units are not starting right at the beginning of the PES packet, push preceding data into previous NAL unit.\n overflow = i - state - 1;\n if (overflow > 0) {\n // logger.log('first NALU found with overflow:' + overflow);\n let tmp = new Uint8Array(lastUnit.data.byteLength + overflow);\n tmp.set(lastUnit.data, 0);\n tmp.set(array.subarray(0, overflow), lastUnit.data.byteLength);\n lastUnit.data = tmp;\n }\n }\n }\n // check if we can read unit type\n if (i < len) {\n unitType = array[i] & 0x1f;\n // logger.log('find NALU @ offset:' + i + ',type:' + unitType);\n lastUnitStart = i;\n lastUnitType = unitType;\n state = 0;\n } else {\n // not enough byte to read unit type. let's read it on next PES parsing\n state = -1;\n }\n } else {\n state = 0;\n }\n }\n if (lastUnitStart >= 0 && state >= 0) {\n unit = { data: array.subarray(lastUnitStart, len), type: lastUnitType, state: state };\n units.push(unit);\n // logger.log('pushing NALU, type/size/state:' + unit.type + '/' + unit.data.byteLength + '/' + state);\n }\n // no NALu found\n if (units.length === 0) {\n // append pes.data to previous NAL unit\n let lastUnit = this._getLastNalUnit();\n if (lastUnit) {\n let tmp = new Uint8Array(lastUnit.data.byteLength + array.byteLength);\n tmp.set(lastUnit.data, 0);\n tmp.set(array, lastUnit.data.byteLength);\n lastUnit.data = tmp;\n }\n }\n track.naluState = state;\n return units;\n }\n\n /**\n * remove Emulation Prevention bytes from a RBSP\n */\n discardEPB (data) {\n let length = data.byteLength,\n EPBPositions = [],\n i = 1,\n newLength, newData;\n\n // Find all `Emulation Prevention Bytes`\n while (i < length - 2) {\n if (data[i] === 0 &&\n data[i + 1] === 0 &&\n data[i + 2] === 0x03) {\n EPBPositions.push(i + 2);\n i += 2;\n } else {\n i++;\n }\n }\n\n // If no Emulation Prevention Bytes were found just return the original\n // array\n if (EPBPositions.length === 0) {\n return data;\n }\n\n // Create a new array to hold the NAL unit data\n newLength = length - EPBPositions.length;\n newData = new Uint8Array(newLength);\n let sourceIndex = 0;\n\n for (i = 0; i < newLength; sourceIndex++, i++) {\n if (sourceIndex === EPBPositions[0]) {\n // Skip this byte\n sourceIndex++;\n // Remove this position index\n EPBPositions.shift();\n }\n newData[i] = data[sourceIndex];\n }\n return newData;\n }\n\n _parseAACPES (pes) {\n let track = this._audioTrack,\n data = pes.data,\n pts = pes.pts,\n startOffset = 0,\n aacOverFlow = this.aacOverFlow,\n aacLastPTS = this.aacLastPTS,\n frameDuration, frameIndex, offset, stamp, len;\n if (aacOverFlow) {\n let tmp = new Uint8Array(aacOverFlow.byteLength + data.byteLength);\n tmp.set(aacOverFlow, 0);\n tmp.set(data, aacOverFlow.byteLength);\n // logger.log(`AAC: append overflowing ${aacOverFlow.byteLength} bytes to beginning of new PES`);\n data = tmp;\n }\n // look for ADTS header (0xFFFx)\n for (offset = startOffset, len = data.length; offset < len - 1; offset++) {\n if (ADTS.isHeader(data, offset)) {\n break;\n }\n }\n // if ADTS header does not start straight from the beginning of the PES payload, raise an error\n if (offset) {\n let reason, fatal;\n if (offset < len - 1) {\n reason = `AAC PES did not start with ADTS header,offset:${offset}`;\n fatal = false;\n } else {\n reason = 'no ADTS header found in AAC PES';\n fatal = true;\n }\n logger.warn(`parsing error:${reason}`);\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: fatal, reason: reason });\n if (fatal) {\n return;\n }\n }\n\n ADTS.initTrackConfig(track, this.observer, data, offset, this.audioCodec);\n frameIndex = 0;\n frameDuration = ADTS.getFrameDuration(track.samplerate);\n\n // if last AAC frame is overflowing, we should ensure timestamps are contiguous:\n // first sample PTS should be equal to last sample PTS + frameDuration\n if (aacOverFlow && aacLastPTS) {\n let newPTS = aacLastPTS + frameDuration;\n if (Math.abs(newPTS - pts) > 1) {\n logger.log(`AAC: align PTS for overlapping frames by ${Math.round((newPTS - pts) / 90)}`);\n pts = newPTS;\n }\n }\n\n // scan for aac samples\n while (offset < len) {\n if (ADTS.isHeader(data, offset)) {\n if ((offset + 5) < len) {\n const frame = ADTS.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n continue;\n }\n }\n // We are at an ADTS header, but do not have enough data for a frame\n // Remaining data will be added to aacOverFlow\n break;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n if (offset < len) {\n aacOverFlow = data.subarray(offset, len);\n // logger.log(`AAC: overflow detected:${len-offset}`);\n } else {\n aacOverFlow = null;\n }\n\n this.aacOverFlow = aacOverFlow;\n this.aacLastPTS = stamp;\n }\n\n _parseMPEGPES (pes) {\n let data = pes.data;\n let length = data.length;\n let frameIndex = 0;\n let offset = 0;\n let pts = pes.pts;\n\n while (offset < length) {\n if (MpegAudio.isHeader(data, offset)) {\n let frame = MpegAudio.appendFrame(this._audioTrack, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n frameIndex++;\n } else {\n // logger.log('Unable to parse Mpeg audio frame');\n break;\n }\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n }\n\n _parseID3PES (pes) {\n this._id3Track.samples.push(pes);\n }\n}\n\nexport default TSDemuxer;\n","/**\n * MP3 demuxer\n */\nimport ID3 from '../demux/id3';\nimport { logger } from '../utils/logger';\nimport MpegAudio from './mpegaudio';\n\nclass MP3Demuxer {\n constructor (observer, remuxer, config) {\n this.observer = observer;\n this.config = config;\n this.remuxer = remuxer;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this._audioTrack = { container: 'audio/mpeg', type: 'audio', id: -1, sequenceNumber: 0, isAAC: false, samples: [], len: 0, manifestCodec: audioCodec, duration: duration, inputTimeScale: 90000 };\n }\n\n resetTimeStamp () {\n }\n\n static probe (data) {\n // check if data contains ID3 timestamp and MPEG sync word\n let offset, length;\n let id3Data = ID3.getID3Data(data, 0);\n if (id3Data && ID3.getTimeStamp(id3Data) !== undefined) {\n // Look for MPEG header | 1111 1111 | 111X XYZX | where X can be either 0 or 1 and Y or Z should be 1\n // Layer bits (position 14 and 15) in header should be always different from 0 (Layer I or Layer II or Layer III)\n // More info http://www.mp3-tech.org/programmer/frame_header.html\n for (offset = id3Data.length, length = Math.min(data.length - 1, offset + 100); offset < length; offset++) {\n if (MpegAudio.probe(data, offset)) {\n logger.log('MPEG Audio sync word found !');\n return true;\n }\n }\n }\n return false;\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let id3Data = ID3.getID3Data(data, 0);\n let timestamp = ID3.getTimeStamp(id3Data);\n let pts = timestamp ? 90 * timestamp : timeOffset * 90000;\n let offset = id3Data.length;\n let length = data.length;\n let frameIndex = 0, stamp = 0;\n let track = this._audioTrack;\n\n let id3Samples = [{ pts: pts, dts: pts, data: id3Data }];\n\n while (offset < length) {\n if (MpegAudio.isHeader(data, offset)) {\n let frame = MpegAudio.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n } else {\n // logger.log('Unable to parse Mpeg audio frame');\n break;\n }\n } else if (ID3.isHeader(data, offset)) {\n id3Data = ID3.getID3Data(data, offset);\n id3Samples.push({ pts: stamp, dts: stamp, data: id3Data });\n offset += id3Data.length;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n this.remuxer.remux(track,\n { samples: [] },\n { samples: id3Samples, inputTimeScale: 90000 },\n { samples: [] },\n timeOffset,\n contiguous,\n accurateTimeOffset);\n }\n\n destroy () {\n }\n}\n\nexport default MP3Demuxer;\n","/**\n * passthrough remuxer\n*/\nimport Event from '../events';\n\nclass PassThroughRemuxer {\n constructor (observer) {\n this.observer = observer;\n }\n\n destroy () {\n }\n\n resetTimeStamp () {\n }\n\n resetInitSegment () {\n }\n\n remux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset, rawData) {\n let observer = this.observer;\n let streamType = '';\n if (audioTrack) {\n streamType += 'audio';\n }\n\n if (videoTrack) {\n streamType += 'video';\n }\n\n observer.trigger(Event.FRAG_PARSING_DATA, {\n data1: rawData,\n startPTS: timeOffset,\n startDTS: timeOffset,\n type: streamType,\n hasAudio: !!audioTrack,\n hasVideo: !!videoTrack,\n nb: 1,\n dropped: 0\n });\n // notify end of parsing\n observer.trigger(Event.FRAG_PARSED);\n }\n}\n\nexport default PassThroughRemuxer;\n","/**\n *\n * inline demuxer: probe fragments and instantiate\n * appropriate demuxer depending on content type (TSDemuxer, AACDemuxer, ...)\n *\n */\n\nimport Event from '../events';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport Decrypter from '../crypt/decrypter';\nimport AACDemuxer from '../demux/aacdemuxer';\nimport MP4Demuxer from '../demux/mp4demuxer';\nimport TSDemuxer from '../demux/tsdemuxer';\nimport MP3Demuxer from '../demux/mp3demuxer';\nimport MP4Remuxer from '../remux/mp4-remuxer';\nimport PassThroughRemuxer from '../remux/passthrough-remuxer';\n\nimport { getSelfScope } from '../utils/get-self-scope';\nimport { logger } from '../utils/logger';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n\nlet now;\n// performance.now() not available on WebWorker, at least on Safari Desktop\ntry {\n now = global.performance.now.bind(global.performance);\n} catch (err) {\n logger.debug('Unable to use Performance API on this environment');\n now = global.Date.now;\n}\n\nclass DemuxerInline {\n constructor (observer, typeSupported, config, vendor) {\n this.observer = observer;\n this.typeSupported = typeSupported;\n this.config = config;\n this.vendor = vendor;\n }\n\n destroy () {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.destroy();\n }\n }\n\n push (data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) {\n if ((data.byteLength > 0) && (decryptdata != null) && (decryptdata.key != null) && (decryptdata.method === 'AES-128')) {\n let decrypter = this.decrypter;\n if (decrypter == null) {\n decrypter = this.decrypter = new Decrypter(this.observer, this.config);\n }\n\n const startTime = now();\n decrypter.decrypt(data, decryptdata.key.buffer, decryptdata.iv.buffer, (decryptedData) => {\n const endTime = now();\n this.observer.trigger(Event.FRAG_DECRYPTED, { stats: { tstart: startTime, tdecrypt: endTime } });\n this.pushDecrypted(new Uint8Array(decryptedData), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n });\n } else {\n this.pushDecrypted(new Uint8Array(data), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n }\n }\n\n pushDecrypted (data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) {\n let demuxer = this.demuxer;\n if (!demuxer ||\n // in case of continuity change, or track switch\n // we might switch from content type (AAC container to TS container, or TS to fmp4 for example)\n // so let's check that current demuxer is still valid\n ((discontinuity || trackSwitch) && !this.probe(data))) {\n const observer = this.observer;\n const typeSupported = this.typeSupported;\n const config = this.config;\n // probing order is TS/MP4/AAC/MP3\n const muxConfig = [\n { demux: TSDemuxer, remux: MP4Remuxer },\n { demux: MP4Demuxer, remux: PassThroughRemuxer },\n { demux: AACDemuxer, remux: MP4Remuxer },\n { demux: MP3Demuxer, remux: MP4Remuxer }\n ];\n\n // probe for content type\n for (let i = 0, len = muxConfig.length; i < len; i++) {\n const mux = muxConfig[i];\n const probe = mux.demux.probe;\n if (probe(data)) {\n const remuxer = this.remuxer = new mux.remux(observer, config, typeSupported, this.vendor);\n demuxer = new mux.demux(observer, remuxer, config, typeSupported);\n this.probe = probe;\n break;\n }\n }\n if (!demuxer) {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: true, reason: 'no demux matching with content found' });\n return;\n }\n this.demuxer = demuxer;\n }\n const remuxer = this.remuxer;\n\n if (discontinuity || trackSwitch) {\n demuxer.resetInitSegment(initSegment, audioCodec, videoCodec, duration);\n remuxer.resetInitSegment();\n }\n if (discontinuity) {\n demuxer.resetTimeStamp(defaultInitPTS);\n remuxer.resetTimeStamp(defaultInitPTS);\n }\n if (typeof demuxer.setDecryptData === 'function') {\n demuxer.setDecryptData(decryptdata);\n }\n\n demuxer.append(data, timeOffset, contiguous, accurateTimeOffset);\n }\n}\n\nexport default DemuxerInline;\n","/* demuxer web worker.\n * - listen to worker message, and trigger DemuxerInline upon reception of Fragments.\n * - provides MP4 Boxes back to main thread using [transferable objects](https://developers.google.com/web/updates/2011/12/Transferable-Objects-Lightning-Fast) in order to minimize message passing overhead.\n */\n\nimport DemuxerInline from '../demux/demuxer-inline';\nimport Event from '../events';\nimport { enableLogs } from '../utils/logger';\n\nimport { EventEmitter } from 'eventemitter3';\n\nlet DemuxerWorker = function (self) {\n // observer setup\n let observer = new EventEmitter();\n observer.trigger = function trigger (event, ...data) {\n observer.emit(event, event, ...data);\n };\n\n observer.off = function off (event, ...data) {\n observer.removeListener(event, ...data);\n };\n\n let forwardMessage = function (ev, data) {\n self.postMessage({ event: ev, data: data });\n };\n\n self.addEventListener('message', function (ev) {\n let data = ev.data;\n // console.log('demuxer cmd:' + data.cmd);\n switch (data.cmd) {\n case 'init':\n const config = JSON.parse(data.config);\n self.demuxer = new DemuxerInline(observer, data.typeSupported, config, data.vendor);\n\n enableLogs(config.debug);\n\n // signal end of worker init\n forwardMessage('init', null);\n break;\n case 'demux':\n self.demuxer.push(data.data, data.decryptdata, data.initSegment, data.audioCodec, data.videoCodec, data.timeOffset, data.discontinuity, data.trackSwitch, data.contiguous, data.duration, data.accurateTimeOffset, data.defaultInitPTS);\n break;\n default:\n break;\n }\n });\n\n // forward events to main thread\n observer.on(Event.FRAG_DECRYPTED, forwardMessage);\n observer.on(Event.FRAG_PARSING_INIT_SEGMENT, forwardMessage);\n observer.on(Event.FRAG_PARSED, forwardMessage);\n observer.on(Event.ERROR, forwardMessage);\n observer.on(Event.FRAG_PARSING_METADATA, forwardMessage);\n observer.on(Event.FRAG_PARSING_USERDATA, forwardMessage);\n observer.on(Event.INIT_PTS_FOUND, forwardMessage);\n\n // special case for FRAG_PARSING_DATA: pass data1/data2 as transferable object (no copy)\n observer.on(Event.FRAG_PARSING_DATA, function (ev, data) {\n let transferable = [];\n let message = { event: ev, data: data };\n if (data.data1) {\n message.data1 = data.data1.buffer;\n transferable.push(data.data1.buffer);\n delete data.data1;\n }\n if (data.data2) {\n message.data2 = data.data2.buffer;\n transferable.push(data.data2.buffer);\n delete data.data2;\n }\n self.postMessage(message, transferable);\n });\n};\n\nexport default DemuxerWorker;\n","import { getSelfScope } from '../utils/get-self-scope';\n\n/**\n * ID3 parser\n */\nclass ID3 {\n /**\n * Returns true if an ID3 header can be found at offset in data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {boolean} - True if an ID3 header is found\n */\n static isHeader (data, offset) {\n /*\n * http://id3.org/id3v2.3.0\n * [0] = 'I'\n * [1] = 'D'\n * [2] = '3'\n * [3,4] = {Version}\n * [5] = {Flags}\n * [6-9] = {ID3 Size}\n *\n * An ID3v2 tag can be detected with the following pattern:\n * $49 44 33 yy yy xx zz zz zz zz\n * Where yy is less than $FF, xx is the 'flags' byte and zz is less than $80\n */\n if (offset + 10 <= data.length) {\n // look for 'ID3' identifier\n if (data[offset] === 0x49 && data[offset + 1] === 0x44 && data[offset + 2] === 0x33) {\n // check version is within range\n if (data[offset + 3] < 0xFF && data[offset + 4] < 0xFF) {\n // check size is within range\n if (data[offset + 6] < 0x80 && data[offset + 7] < 0x80 && data[offset + 8] < 0x80 && data[offset + 9] < 0x80) {\n return true;\n }\n }\n }\n }\n\n return false;\n }\n\n /**\n * Returns true if an ID3 footer can be found at offset in data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {boolean} - True if an ID3 footer is found\n */\n static isFooter (data, offset) {\n /*\n * The footer is a copy of the header, but with a different identifier\n */\n if (offset + 10 <= data.length) {\n // look for '3DI' identifier\n if (data[offset] === 0x33 && data[offset + 1] === 0x44 && data[offset + 2] === 0x49) {\n // check version is within range\n if (data[offset + 3] < 0xFF && data[offset + 4] < 0xFF) {\n // check size is within range\n if (data[offset + 6] < 0x80 && data[offset + 7] < 0x80 && data[offset + 8] < 0x80 && data[offset + 9] < 0x80) {\n return true;\n }\n }\n }\n }\n\n return false;\n }\n\n /**\n * Returns any adjacent ID3 tags found in data starting at offset, as one block of data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {Uint8Array} - The block of data containing any ID3 tags found\n */\n static getID3Data (data, offset) {\n const front = offset;\n let length = 0;\n\n while (ID3.isHeader(data, offset)) {\n // ID3 header is 10 bytes\n length += 10;\n\n const size = ID3._readSize(data, offset + 6);\n length += size;\n\n if (ID3.isFooter(data, offset + 10)) {\n // ID3 footer is 10 bytes\n length += 10;\n }\n\n offset += length;\n }\n\n if (length > 0) {\n return data.subarray(front, front + length);\n }\n\n return undefined;\n }\n\n static _readSize (data, offset) {\n let size = 0;\n size = ((data[offset] & 0x7f) << 21);\n size |= ((data[offset + 1] & 0x7f) << 14);\n size |= ((data[offset + 2] & 0x7f) << 7);\n size |= (data[offset + 3] & 0x7f);\n return size;\n }\n\n /**\n * Searches for the Elementary Stream timestamp found in the ID3 data chunk\n * @param {Uint8Array} data - Block of data containing one or more ID3 tags\n * @return {number} - The timestamp\n */\n static getTimeStamp (data) {\n const frames = ID3.getID3Frames(data);\n for (let i = 0; i < frames.length; i++) {\n const frame = frames[i];\n if (ID3.isTimeStampFrame(frame)) {\n return ID3._readTimeStamp(frame);\n }\n }\n\n return undefined;\n }\n\n /**\n * Returns true if the ID3 frame is an Elementary Stream timestamp frame\n * @param {ID3 frame} frame\n */\n static isTimeStampFrame (frame) {\n return (frame && frame.key === 'PRIV' && frame.info === 'com.apple.streaming.transportStreamTimestamp');\n }\n\n static _getFrameData (data) {\n /*\n Frame ID $xx xx xx xx (four characters)\n Size $xx xx xx xx\n Flags $xx xx\n */\n const type = String.fromCharCode(data[0], data[1], data[2], data[3]);\n const size = ID3._readSize(data, 4);\n\n // skip frame id, size, and flags\n let offset = 10;\n\n return { type, size, data: data.subarray(offset, offset + size) };\n }\n\n /**\n * Returns an array of ID3 frames found in all the ID3 tags in the id3Data\n * @param {Uint8Array} id3Data - The ID3 data containing one or more ID3 tags\n * @return {ID3 frame[]} - Array of ID3 frame objects\n */\n static getID3Frames (id3Data) {\n let offset = 0;\n const frames = [];\n\n while (ID3.isHeader(id3Data, offset)) {\n const size = ID3._readSize(id3Data, offset + 6);\n // skip past ID3 header\n offset += 10;\n const end = offset + size;\n // loop through frames in the ID3 tag\n while (offset + 8 < end) {\n const frameData = ID3._getFrameData(id3Data.subarray(offset));\n const frame = ID3._decodeFrame(frameData);\n if (frame) {\n frames.push(frame);\n }\n\n // skip frame header and frame data\n offset += frameData.size + 10;\n }\n\n if (ID3.isFooter(id3Data, offset)) {\n offset += 10;\n }\n }\n\n return frames;\n }\n\n static _decodeFrame (frame) {\n if (frame.type === 'PRIV') {\n return ID3._decodePrivFrame(frame);\n } else if (frame.type[0] === 'T') {\n return ID3._decodeTextFrame(frame);\n } else if (frame.type[0] === 'W') {\n return ID3._decodeURLFrame(frame);\n }\n\n return undefined;\n }\n\n static _readTimeStamp (timeStampFrame) {\n if (timeStampFrame.data.byteLength === 8) {\n const data = new Uint8Array(timeStampFrame.data);\n // timestamp is 33 bit expressed as a big-endian eight-octet number,\n // with the upper 31 bits set to zero.\n const pts33Bit = data[3] & 0x1;\n let timestamp = (data[4] << 23) +\n (data[5] << 15) +\n (data[6] << 7) +\n data[7];\n timestamp /= 45;\n\n if (pts33Bit) {\n timestamp += 47721858.84;\n } // 2^32 / 90\n\n return Math.round(timestamp);\n }\n\n return undefined;\n }\n\n static _decodePrivFrame (frame) {\n /*\n Format: <text string>\\0<binary data>\n */\n if (frame.size < 2) {\n return undefined;\n }\n\n const owner = ID3._utf8ArrayToStr(frame.data, true);\n const privateData = new Uint8Array(frame.data.subarray(owner.length + 1));\n\n return { key: frame.type, info: owner, data: privateData.buffer };\n }\n\n static _decodeTextFrame (frame) {\n if (frame.size < 2) {\n return undefined;\n }\n\n if (frame.type === 'TXXX') {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Description}\\0{Value}\n */\n let index = 1;\n const description = ID3._utf8ArrayToStr(frame.data.subarray(index), true);\n\n index += description.length + 1;\n const value = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n return { key: frame.type, info: description, data: value };\n } else {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Value}\n */\n const text = ID3._utf8ArrayToStr(frame.data.subarray(1));\n return { key: frame.type, data: text };\n }\n }\n\n static _decodeURLFrame (frame) {\n if (frame.type === 'WXXX') {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Description}\\0{URL}\n */\n if (frame.size < 2) {\n return undefined;\n }\n\n let index = 1;\n const description = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n index += description.length + 1;\n const value = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n return { key: frame.type, info: description, data: value };\n } else {\n /*\n Format:\n [0-?] = {URL}\n */\n const url = ID3._utf8ArrayToStr(frame.data);\n return { key: frame.type, data: url };\n }\n }\n\n // http://stackoverflow.com/questions/8936984/uint8array-to-string-in-javascript/22373197\n // http://www.onicos.com/staff/iz/amuse/javascript/expert/utf.txt\n /* utf.js - UTF-8 <=> UTF-16 convertion\n *\n * Copyright (C) 1999 Masanao Izumo <iz@onicos.co.jp>\n * Version: 1.0\n * LastModified: Dec 25 1999\n * This library is free. You can redistribute it and/or modify it.\n */\n static _utf8ArrayToStr (array, exitOnNull = false) {\n const decoder = getTextDecoder();\n if (decoder) {\n const decoded = decoder.decode(array);\n\n if (exitOnNull) {\n // grab up to the first null\n const idx = decoded.indexOf('\\0');\n return idx !== -1 ? decoded.substring(0, idx) : decoded;\n }\n\n // remove any null characters\n return decoded.replace(/\\0/g, '');\n }\n\n const len = array.length;\n let c;\n let char2;\n let char3;\n let out = '';\n let i = 0;\n while (i < len) {\n c = array[i++];\n if (c === 0x00 && exitOnNull) {\n return out;\n } else if (c === 0x00 || c === 0x03) {\n // If the character is 3 (END_OF_TEXT) or 0 (NULL) then skip it\n continue;\n }\n switch (c >> 4) {\n case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:\n // 0xxxxxxx\n out += String.fromCharCode(c);\n break;\n case 12: case 13:\n // 110x xxxx 10xx xxxx\n char2 = array[i++];\n out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F));\n break;\n case 14:\n // 1110 xxxx 10xx xxxx 10xx xxxx\n char2 = array[i++];\n char3 = array[i++];\n out += String.fromCharCode(((c & 0x0F) << 12) |\n ((char2 & 0x3F) << 6) |\n ((char3 & 0x3F) << 0));\n break;\n default:\n }\n }\n return out;\n }\n}\n\nlet decoder;\n\nfunction getTextDecoder () {\n const global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n if (!decoder && typeof global.TextDecoder !== 'undefined') {\n decoder = new global.TextDecoder('utf-8');\n }\n\n return decoder;\n}\n\nconst utf8ArrayToStr = ID3._utf8ArrayToStr;\n\nexport default ID3;\n\nexport { utf8ArrayToStr };\n","/**\n * MP4 demuxer\n */\nimport { logger } from '../utils/logger';\nimport Event from '../events';\n\nconst UINT32_MAX = Math.pow(2, 32) - 1;\n\nclass MP4Demuxer {\n constructor (observer, remuxer) {\n this.observer = observer;\n this.remuxer = remuxer;\n }\n\n resetTimeStamp (initPTS) {\n this.initPTS = initPTS;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n // jshint unused:false\n if (initSegment && initSegment.byteLength) {\n const initData = this.initData = MP4Demuxer.parseInitSegment(initSegment);\n\n // default audio codec if nothing specified\n // TODO : extract that from initsegment\n if (audioCodec == null) {\n audioCodec = 'mp4a.40.5';\n }\n\n if (videoCodec == null) {\n videoCodec = 'avc1.42e01e';\n }\n\n const tracks = {};\n if (initData.audio && initData.video) {\n tracks.audiovideo = { container: 'video/mp4', codec: audioCodec + ',' + videoCodec, initSegment: duration ? initSegment : null };\n } else {\n if (initData.audio) {\n tracks.audio = { container: 'audio/mp4', codec: audioCodec, initSegment: duration ? initSegment : null };\n }\n\n if (initData.video) {\n tracks.video = { container: 'video/mp4', codec: videoCodec, initSegment: duration ? initSegment : null };\n }\n }\n this.observer.trigger(Event.FRAG_PARSING_INIT_SEGMENT, { tracks });\n } else {\n if (audioCodec) {\n this.audioCodec = audioCodec;\n }\n\n if (videoCodec) {\n this.videoCodec = videoCodec;\n }\n }\n }\n\n static probe (data) {\n // ensure we find a moof box in the first 16 kB\n return MP4Demuxer.findBox({ data: data, start: 0, end: Math.min(data.length, 16384) }, ['moof']).length > 0;\n }\n\n static bin2str (buffer) {\n return String.fromCharCode.apply(null, buffer);\n }\n\n static readUint16 (buffer, offset) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n\n const val = buffer[offset] << 8 |\n buffer[offset + 1];\n\n return val < 0 ? 65536 + val : val;\n }\n\n static readUint32 (buffer, offset) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n\n const val = buffer[offset] << 24 |\n buffer[offset + 1] << 16 |\n buffer[offset + 2] << 8 |\n buffer[offset + 3];\n return val < 0 ? 4294967296 + val : val;\n }\n\n static writeUint32 (buffer, offset, value) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n buffer[offset] = value >> 24;\n buffer[offset + 1] = (value >> 16) & 0xff;\n buffer[offset + 2] = (value >> 8) & 0xff;\n buffer[offset + 3] = value & 0xff;\n }\n\n // Find the data for a box specified by its path\n static findBox (data, path) {\n let results = [],\n i, size, type, end, subresults, start, endbox;\n\n if (data.data) {\n start = data.start;\n end = data.end;\n data = data.data;\n } else {\n start = 0;\n end = data.byteLength;\n }\n\n if (!path.length) {\n // short-circuit the search for empty paths\n return null;\n }\n\n for (i = start; i < end;) {\n size = MP4Demuxer.readUint32(data, i);\n type = MP4Demuxer.bin2str(data.subarray(i + 4, i + 8));\n endbox = size > 1 ? i + size : end;\n\n if (type === path[0]) {\n if (path.length === 1) {\n // this is the end of the path and we've found the box we were\n // looking for\n results.push({ data: data, start: i + 8, end: endbox });\n } else {\n // recursively search for the next box along the path\n subresults = MP4Demuxer.findBox({ data: data, start: i + 8, end: endbox }, path.slice(1));\n if (subresults.length) {\n results = results.concat(subresults);\n }\n }\n }\n i = endbox;\n }\n\n // we've finished searching all of data\n return results;\n }\n\n static parseSegmentIndex (initSegment) {\n const moov = MP4Demuxer.findBox(initSegment, ['moov'])[0];\n const moovEndOffset = moov ? moov.end : null; // we need this in case we need to chop of garbage of the end of current data\n\n let index = 0;\n let sidx = MP4Demuxer.findBox(initSegment, ['sidx']);\n let references;\n\n if (!sidx || !sidx[0]) {\n return null;\n }\n\n references = [];\n sidx = sidx[0];\n\n const version = sidx.data[0];\n\n // set initial offset, we skip the reference ID (not needed)\n index = version === 0 ? 8 : 16;\n\n const timescale = MP4Demuxer.readUint32(sidx, index);\n index += 4;\n\n // TODO: parse earliestPresentationTime and firstOffset\n // usually zero in our case\n let earliestPresentationTime = 0;\n let firstOffset = 0;\n\n if (version === 0) {\n index += 8;\n } else {\n index += 16;\n }\n\n // skip reserved\n index += 2;\n\n let startByte = sidx.end + firstOffset;\n\n const referencesCount = MP4Demuxer.readUint16(sidx, index);\n index += 2;\n\n for (let i = 0; i < referencesCount; i++) {\n let referenceIndex = index;\n\n const referenceInfo = MP4Demuxer.readUint32(sidx, referenceIndex);\n referenceIndex += 4;\n\n const referenceSize = referenceInfo & 0x7FFFFFFF;\n const referenceType = (referenceInfo & 0x80000000) >>> 31;\n\n if (referenceType === 1) {\n console.warn('SIDX has hierarchical references (not supported)');\n return;\n }\n\n const subsegmentDuration = MP4Demuxer.readUint32(sidx, referenceIndex);\n referenceIndex += 4;\n\n references.push({\n referenceSize,\n subsegmentDuration, // unscaled\n info: {\n duration: subsegmentDuration / timescale,\n start: startByte,\n end: startByte + referenceSize - 1\n }\n });\n\n startByte += referenceSize;\n\n // Skipping 1 bit for |startsWithSap|, 3 bits for |sapType|, and 28 bits\n // for |sapDelta|.\n referenceIndex += 4;\n\n // skip to next ref\n index = referenceIndex;\n }\n\n return {\n earliestPresentationTime,\n timescale,\n version,\n referencesCount,\n references,\n moovEndOffset\n };\n }\n\n /**\n * Parses an MP4 initialization segment and extracts stream type and\n * timescale values for any declared tracks. Timescale values indicate the\n * number of clock ticks per second to assume for time-based values\n * elsewhere in the MP4.\n *\n * To determine the start time of an MP4, you need two pieces of\n * information: the timescale unit and the earliest base media decode\n * time. Multiple timescales can be specified within an MP4 but the\n * base media decode time is always expressed in the timescale from\n * the media header box for the track:\n * ```\n * moov > trak > mdia > mdhd.timescale\n * moov > trak > mdia > hdlr\n * ```\n * @param init {Uint8Array} the bytes of the init segment\n * @return {object} a hash of track type to timescale values or null if\n * the init segment is malformed.\n */\n static parseInitSegment (initSegment) {\n let result = [];\n let traks = MP4Demuxer.findBox(initSegment, ['moov', 'trak']);\n\n traks.forEach(trak => {\n const tkhd = MP4Demuxer.findBox(trak, ['tkhd'])[0];\n if (tkhd) {\n let version = tkhd.data[tkhd.start];\n let index = version === 0 ? 12 : 20;\n let trackId = MP4Demuxer.readUint32(tkhd, index);\n\n const mdhd = MP4Demuxer.findBox(trak, ['mdia', 'mdhd'])[0];\n if (mdhd) {\n version = mdhd.data[mdhd.start];\n index = version === 0 ? 12 : 20;\n const timescale = MP4Demuxer.readUint32(mdhd, index);\n\n const hdlr = MP4Demuxer.findBox(trak, ['mdia', 'hdlr'])[0];\n if (hdlr) {\n const hdlrType = MP4Demuxer.bin2str(hdlr.data.subarray(hdlr.start + 8, hdlr.start + 12));\n let type = { 'soun': 'audio', 'vide': 'video' }[hdlrType];\n if (type) {\n // extract codec info. TODO : parse codec details to be able to build MIME type\n let codecBox = MP4Demuxer.findBox(trak, ['mdia', 'minf', 'stbl', 'stsd']);\n if (codecBox.length) {\n codecBox = codecBox[0];\n let codecType = MP4Demuxer.bin2str(codecBox.data.subarray(codecBox.start + 12, codecBox.start + 16));\n logger.log(`MP4Demuxer:${type}:${codecType} found`);\n }\n result[trackId] = { timescale: timescale, type: type };\n result[type] = { timescale: timescale, id: trackId };\n }\n }\n }\n }\n });\n return result;\n }\n\n /**\n * Determine the base media decode start time, in seconds, for an MP4\n * fragment. If multiple fragments are specified, the earliest time is\n * returned.\n *\n * The base media decode time can be parsed from track fragment\n * metadata:\n * ```\n * moof > traf > tfdt.baseMediaDecodeTime\n * ```\n * It requires the timescale value from the mdhd to interpret.\n *\n * @param timescale {object} a hash of track ids to timescale values.\n * @return {number} the earliest base media decode start time for the\n * fragment, in seconds\n */\n static getStartDTS (initData, fragment) {\n let trafs, baseTimes, result;\n\n // we need info from two childrend of each track fragment box\n trafs = MP4Demuxer.findBox(fragment, ['moof', 'traf']);\n\n // determine the start times for each track\n baseTimes = [].concat.apply([], trafs.map(function (traf) {\n return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) {\n let id, scale, baseTime;\n\n // get the track id from the tfhd\n id = MP4Demuxer.readUint32(tfhd, 4);\n // assume a 90kHz clock if no timescale was specified\n scale = initData[id].timescale || 90e3;\n\n // get the base media decode time from the tfdt\n baseTime = MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) {\n let version, result;\n\n version = tfdt.data[tfdt.start];\n result = MP4Demuxer.readUint32(tfdt, 4);\n if (version === 1) {\n result *= Math.pow(2, 32);\n\n result += MP4Demuxer.readUint32(tfdt, 8);\n }\n return result;\n })[0];\n // convert base time to seconds\n return baseTime / scale;\n });\n }));\n\n // return the minimum\n result = Math.min.apply(null, baseTimes);\n return isFinite(result) ? result : 0;\n }\n\n static offsetStartDTS (initData, fragment, timeOffset) {\n MP4Demuxer.findBox(fragment, ['moof', 'traf']).map(function (traf) {\n return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) {\n // get the track id from the tfhd\n let id = MP4Demuxer.readUint32(tfhd, 4);\n // assume a 90kHz clock if no timescale was specified\n let timescale = initData[id].timescale || 90e3;\n\n // get the base media decode time from the tfdt\n MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) {\n let version = tfdt.data[tfdt.start];\n let baseMediaDecodeTime = MP4Demuxer.readUint32(tfdt, 4);\n if (version === 0) {\n MP4Demuxer.writeUint32(tfdt, 4, baseMediaDecodeTime - timeOffset * timescale);\n } else {\n baseMediaDecodeTime *= Math.pow(2, 32);\n baseMediaDecodeTime += MP4Demuxer.readUint32(tfdt, 8);\n baseMediaDecodeTime -= timeOffset * timescale;\n baseMediaDecodeTime = Math.max(baseMediaDecodeTime, 0);\n const upper = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1));\n const lower = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1));\n MP4Demuxer.writeUint32(tfdt, 4, upper);\n MP4Demuxer.writeUint32(tfdt, 8, lower);\n }\n });\n });\n });\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let initData = this.initData;\n if (!initData) {\n this.resetInitSegment(data, this.audioCodec, this.videoCodec, false);\n initData = this.initData;\n }\n let startDTS, initPTS = this.initPTS;\n if (initPTS === undefined) {\n let startDTS = MP4Demuxer.getStartDTS(initData, data);\n this.initPTS = initPTS = startDTS - timeOffset;\n this.observer.trigger(Event.INIT_PTS_FOUND, { initPTS: initPTS });\n }\n MP4Demuxer.offsetStartDTS(initData, data, initPTS);\n startDTS = MP4Demuxer.getStartDTS(initData, data);\n this.remuxer.remux(initData.audio, initData.video, null, null, startDTS, contiguous, accurateTimeOffset, data);\n }\n\n destroy () {}\n}\n\nexport default MP4Demuxer;\n","export enum ErrorTypes {\n // Identifier for a network error (loading error / timeout ...)\n NETWORK_ERROR = 'networkError',\n // Identifier for a media Error (video/parsing/mediasource error)\n MEDIA_ERROR = 'mediaError',\n // EME (encrypted media extensions) errors\n KEY_SYSTEM_ERROR = 'keySystemError',\n // Identifier for a mux Error (demuxing/remuxing)\n MUX_ERROR = 'muxError',\n // Identifier for all other errors\n OTHER_ERROR = 'otherError'\n}\n\n/**\n * @enum {ErrorDetails}\n * @typedef {string} ErrorDetail\n */\nexport enum ErrorDetails {\n KEY_SYSTEM_NO_KEYS = 'keySystemNoKeys',\n KEY_SYSTEM_NO_ACCESS = 'keySystemNoAccess',\n KEY_SYSTEM_NO_SESSION = 'keySystemNoSession',\n KEY_SYSTEM_LICENSE_REQUEST_FAILED = 'keySystemLicenseRequestFailed',\n KEY_SYSTEM_NO_INIT_DATA = 'keySystemNoInitData',\n // Identifier for a manifest load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n MANIFEST_LOAD_ERROR = 'manifestLoadError',\n // Identifier for a manifest load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n MANIFEST_LOAD_TIMEOUT = 'manifestLoadTimeOut',\n // Identifier for a manifest parsing error - data: { url : faulty URL, reason : error reason}\n MANIFEST_PARSING_ERROR = 'manifestParsingError',\n // Identifier for a manifest with only incompatible codecs error - data: { url : faulty URL, reason : error reason}\n MANIFEST_INCOMPATIBLE_CODECS_ERROR = 'manifestIncompatibleCodecsError',\n // Identifier for a level load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n LEVEL_LOAD_ERROR = 'levelLoadError',\n // Identifier for a level load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n LEVEL_LOAD_TIMEOUT = 'levelLoadTimeOut',\n // Identifier for a level switch error - data: { level : faulty level Id, event : error description}\n LEVEL_SWITCH_ERROR = 'levelSwitchError',\n // Identifier for an audio track load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n AUDIO_TRACK_LOAD_ERROR = 'audioTrackLoadError',\n // Identifier for an audio track load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n AUDIO_TRACK_LOAD_TIMEOUT = 'audioTrackLoadTimeOut',\n // Identifier for fragment load error - data: { frag : fragment object, response : { code: error code, text: error text }}\n FRAG_LOAD_ERROR = 'fragLoadError',\n // Identifier for fragment load timeout error - data: { frag : fragment object}\n FRAG_LOAD_TIMEOUT = 'fragLoadTimeOut',\n // Identifier for a fragment decryption error event - data: {id : demuxer Id,frag: fragment object, reason : parsing error description }\n FRAG_DECRYPT_ERROR = 'fragDecryptError',\n // Identifier for a fragment parsing error event - data: { id : demuxer Id, reason : parsing error description }\n // will be renamed DEMUX_PARSING_ERROR and switched to MUX_ERROR in the next major release\n FRAG_PARSING_ERROR = 'fragParsingError',\n // Identifier for a remux alloc error event - data: { id : demuxer Id, frag : fragment object, bytes : nb of bytes on which allocation failed , reason : error text }\n REMUX_ALLOC_ERROR = 'remuxAllocError',\n // Identifier for decrypt key load error - data: { frag : fragment object, response : { code: error code, text: error text }}\n KEY_LOAD_ERROR = 'keyLoadError',\n // Identifier for decrypt key load timeout error - data: { frag : fragment object}\n KEY_LOAD_TIMEOUT = 'keyLoadTimeOut',\n // Triggered when an exception occurs while adding a sourceBuffer to MediaSource - data : { err : exception , mimeType : mimeType }\n BUFFER_ADD_CODEC_ERROR = 'bufferAddCodecError',\n // Identifier for a buffer append error - data: append error description\n BUFFER_APPEND_ERROR = 'bufferAppendError',\n // Identifier for a buffer appending error event - data: appending error description\n BUFFER_APPENDING_ERROR = 'bufferAppendingError',\n // Identifier for a buffer stalled error event\n BUFFER_STALLED_ERROR = 'bufferStalledError',\n // Identifier for a buffer full event\n BUFFER_FULL_ERROR = 'bufferFullError',\n // Identifier for a buffer seek over hole event\n BUFFER_SEEK_OVER_HOLE = 'bufferSeekOverHole',\n // Identifier for a buffer nudge on stall (playback is stuck although currentTime is in a buffered area)\n BUFFER_NUDGE_ON_STALL = 'bufferNudgeOnStall',\n // Identifier for an internal exception happening inside hls.js while handling an event\n INTERNAL_EXCEPTION = 'internalException'\n}\n","/**\n * @readonly\n * @enum {string}\n */\nconst HlsEvents = {\n // fired before MediaSource is attaching to media element - data: { media }\n MEDIA_ATTACHING: 'hlsMediaAttaching',\n // fired when MediaSource has been succesfully attached to media element - data: { }\n MEDIA_ATTACHED: 'hlsMediaAttached',\n // fired before detaching MediaSource from media element - data: { }\n MEDIA_DETACHING: 'hlsMediaDetaching',\n // fired when MediaSource has been detached from media element - data: { }\n MEDIA_DETACHED: 'hlsMediaDetached',\n // fired when we buffer is going to be reset - data: { }\n BUFFER_RESET: 'hlsBufferReset',\n // fired when we know about the codecs that we need buffers for to push into - data: {tracks : { container, codec, levelCodec, initSegment, metadata }}\n BUFFER_CODECS: 'hlsBufferCodecs',\n // fired when sourcebuffers have been created - data: { tracks : tracks }\n BUFFER_CREATED: 'hlsBufferCreated',\n // fired when we append a segment to the buffer - data: { segment: segment object }\n BUFFER_APPENDING: 'hlsBufferAppending',\n // fired when we are done with appending a media segment to the buffer - data : { parent : segment parent that triggered BUFFER_APPENDING, pending : nb of segments waiting for appending for this segment parent}\n BUFFER_APPENDED: 'hlsBufferAppended',\n // fired when the stream is finished and we want to notify the media buffer that there will be no more data - data: { }\n BUFFER_EOS: 'hlsBufferEos',\n // fired when the media buffer should be flushed - data { startOffset, endOffset }\n BUFFER_FLUSHING: 'hlsBufferFlushing',\n // fired when the media buffer has been flushed - data: { }\n BUFFER_FLUSHED: 'hlsBufferFlushed',\n // fired to signal that a manifest loading starts - data: { url : manifestURL}\n MANIFEST_LOADING: 'hlsManifestLoading',\n // fired after manifest has been loaded - data: { levels : [available quality levels], audioTracks : [ available audio tracks], url : manifestURL, stats : { trequest, tfirst, tload, mtime}}\n MANIFEST_LOADED: 'hlsManifestLoaded',\n // fired after manifest has been parsed - data: { levels : [available quality levels], firstLevel : index of first quality level appearing in Manifest}\n MANIFEST_PARSED: 'hlsManifestParsed',\n // fired when a level switch is requested - data: { level : id of new level }\n LEVEL_SWITCHING: 'hlsLevelSwitching',\n // fired when a level switch is effective - data: { level : id of new level }\n LEVEL_SWITCHED: 'hlsLevelSwitched',\n // fired when a level playlist loading starts - data: { url : level URL, level : id of level being loaded}\n LEVEL_LOADING: 'hlsLevelLoading',\n // fired when a level playlist loading finishes - data: { details : levelDetails object, level : id of loaded level, stats : { trequest, tfirst, tload, mtime} }\n LEVEL_LOADED: 'hlsLevelLoaded',\n // fired when a level's details have been updated based on previous details, after it has been loaded - data: { details : levelDetails object, level : id of updated level }\n LEVEL_UPDATED: 'hlsLevelUpdated',\n // fired when a level's PTS information has been updated after parsing a fragment - data: { details : levelDetails object, level : id of updated level, drift: PTS drift observed when parsing last fragment }\n LEVEL_PTS_UPDATED: 'hlsLevelPtsUpdated',\n // fired when the live back buffer is reached defined by the liveBackBufferLength config option - data : { bufferEnd: number }\n LIVE_BACK_BUFFER_REACHED: 'hlsLiveBackBufferReached',\n // fired to notify that audio track lists has been updated - data: { audioTracks : audioTracks }\n AUDIO_TRACKS_UPDATED: 'hlsAudioTracksUpdated',\n // fired when an audio track switching is requested - data: { id : audio track id }\n AUDIO_TRACK_SWITCHING: 'hlsAudioTrackSwitching',\n // fired when an audio track switch actually occurs - data: { id : audio track id }\n AUDIO_TRACK_SWITCHED: 'hlsAudioTrackSwitched',\n // fired when an audio track loading starts - data: { url : audio track URL, id : audio track id }\n AUDIO_TRACK_LOADING: 'hlsAudioTrackLoading',\n // fired when an audio track loading finishes - data: { details : levelDetails object, id : audio track id, stats : { trequest, tfirst, tload, mtime } }\n AUDIO_TRACK_LOADED: 'hlsAudioTrackLoaded',\n // fired to notify that subtitle track lists has been updated - data: { subtitleTracks : subtitleTracks }\n SUBTITLE_TRACKS_UPDATED: 'hlsSubtitleTracksUpdated',\n // fired when an subtitle track switch occurs - data: { id : subtitle track id }\n SUBTITLE_TRACK_SWITCH: 'hlsSubtitleTrackSwitch',\n // fired when a subtitle track loading starts - data: { url : subtitle track URL, id : subtitle track id }\n SUBTITLE_TRACK_LOADING: 'hlsSubtitleTrackLoading',\n // fired when a subtitle track loading finishes - data: { details : levelDetails object, id : subtitle track id, stats : { trequest, tfirst, tload, mtime } }\n SUBTITLE_TRACK_LOADED: 'hlsSubtitleTrackLoaded',\n // fired when a subtitle fragment has been processed - data: { success : boolean, frag : the processed frag }\n SUBTITLE_FRAG_PROCESSED: 'hlsSubtitleFragProcessed',\n // fired when the first timestamp is found - data: { id : demuxer id, initPTS: initPTS, frag : fragment object }\n INIT_PTS_FOUND: 'hlsInitPtsFound',\n // fired when a fragment loading starts - data: { frag : fragment object }\n FRAG_LOADING: 'hlsFragLoading',\n // fired when a fragment loading is progressing - data: { frag : fragment object, { trequest, tfirst, loaded } }\n FRAG_LOAD_PROGRESS: 'hlsFragLoadProgress',\n // Identifier for fragment load aborting for emergency switch down - data: { frag : fragment object }\n FRAG_LOAD_EMERGENCY_ABORTED: 'hlsFragLoadEmergencyAborted',\n // fired when a fragment loading is completed - data: { frag : fragment object, payload : fragment payload, stats : { trequest, tfirst, tload, length } }\n FRAG_LOADED: 'hlsFragLoaded',\n // fired when a fragment has finished decrypting - data: { id : demuxer id, frag: fragment object, payload : fragment payload, stats : { tstart, tdecrypt } }\n FRAG_DECRYPTED: 'hlsFragDecrypted',\n // fired when Init Segment has been extracted from fragment - data: { id : demuxer id, frag: fragment object, moov : moov MP4 box, codecs : codecs found while parsing fragment }\n FRAG_PARSING_INIT_SEGMENT: 'hlsFragParsingInitSegment',\n // fired when parsing sei text is completed - data: { id : demuxer id, frag: fragment object, samples : [ sei samples pes ] }\n FRAG_PARSING_USERDATA: 'hlsFragParsingUserdata',\n // fired when parsing id3 is completed - data: { id : demuxer id, frag: fragment object, samples : [ id3 samples pes ] }\n FRAG_PARSING_METADATA: 'hlsFragParsingMetadata',\n // fired when data have been extracted from fragment - data: { id : demuxer id, frag: fragment object, data1 : moof MP4 box or TS fragments, data2 : mdat MP4 box or null}\n FRAG_PARSING_DATA: 'hlsFragParsingData',\n // fired when fragment parsing is completed - data: { id : demuxer id, frag: fragment object }\n FRAG_PARSED: 'hlsFragParsed',\n // fired when fragment remuxed MP4 boxes have all been appended into SourceBuffer - data: { id : demuxer id, frag : fragment object, stats : { trequest, tfirst, tload, tparsed, tbuffered, length, bwEstimate } }\n FRAG_BUFFERED: 'hlsFragBuffered',\n // fired when fragment matching with current media position is changing - data : { id : demuxer id, frag : fragment object }\n FRAG_CHANGED: 'hlsFragChanged',\n // Identifier for a FPS drop event - data: { curentDropped, currentDecoded, totalDroppedFrames }\n FPS_DROP: 'hlsFpsDrop',\n // triggered when FPS drop triggers auto level capping - data: { level, droppedlevel }\n FPS_DROP_LEVEL_CAPPING: 'hlsFpsDropLevelCapping',\n // Identifier for an error event - data: { type : error type, details : error details, fatal : if true, hls.js cannot/will not try to recover, if false, hls.js will try to recover,other error specific data }\n ERROR: 'hlsError',\n // fired when hls.js instance starts destroying. Different from MEDIA_DETACHED as one could want to detach and reattach a media to the instance of hls.js to handle mid-rolls for example - data: { }\n DESTROYING: 'hlsDestroying',\n // fired when a decrypt key loading starts - data: { frag : fragment object }\n KEY_LOADING: 'hlsKeyLoading',\n // fired when a decrypt key loading is completed - data: { frag : fragment object, payload : key payload, stats : { trequest, tfirst, tload, length } }\n KEY_LOADED: 'hlsKeyLoaded',\n // fired upon stream controller state transitions - data: { previousState, nextState }\n STREAM_STATE_TRANSITION: 'hlsStreamStateTransition',\n // fired when the live back buffer is reached defined by the liveBackBufferLength config option - data : { bufferEnd: number }\n LIVE_BACK_BUFFER_REACHED: 'hlsLiveBackBufferReached',\n // fired when `seeked` event happens, not fired if current position is outside of the buffered range and config option `seekWithinTolerance` is true\n CAN_PLAY_AFTER_SEEK: 'hlsCanPlayAfterSeek',\n};\n\nexport default HlsEvents;\n","/*\n*\n* All objects in the event handling chain should inherit from this class\n*\n*/\n\nimport { logger } from './utils/logger';\nimport { ErrorTypes, ErrorDetails } from './errors';\nimport Event from './events';\nimport Hls from './hls';\n\nconst FORBIDDEN_EVENT_NAMES = {\n 'hlsEventGeneric': true,\n 'hlsHandlerDestroying': true,\n 'hlsHandlerDestroyed': true\n};\n\nclass EventHandler {\n hls: Hls;\n handledEvents: any[];\n useGenericHandler: boolean;\n\n constructor (hls: Hls, ...events: any[]) {\n this.hls = hls;\n this.onEvent = this.onEvent.bind(this);\n this.handledEvents = events;\n this.useGenericHandler = true;\n\n this.registerListeners();\n }\n\n destroy () {\n this.onHandlerDestroying();\n this.unregisterListeners();\n this.onHandlerDestroyed();\n }\n\n protected onHandlerDestroying () {}\n protected onHandlerDestroyed () {}\n\n isEventHandler () {\n return typeof this.handledEvents === 'object' && this.handledEvents.length && typeof this.onEvent === 'function';\n }\n\n registerListeners () {\n if (this.isEventHandler()) {\n this.handledEvents.forEach(function (event) {\n if (FORBIDDEN_EVENT_NAMES[event]) {\n throw new Error('Forbidden event-name: ' + event);\n }\n\n this.hls.on(event, this.onEvent);\n }, this);\n }\n }\n\n unregisterListeners () {\n if (this.isEventHandler()) {\n this.handledEvents.forEach(function (event) {\n this.hls.off(event, this.onEvent);\n }, this);\n }\n }\n\n /**\n * arguments: event (string), data (any)\n */\n onEvent (event: string, data: any) {\n this.onEventGeneric(event, data);\n }\n\n onEventGeneric (event: string, data: any) {\n let eventToFunction = function (event: string, data: any) {\n let funcName = 'on' + event.replace('hls', '');\n if (typeof this[funcName] !== 'function') {\n throw new Error(`Event ${event} has no generic handler in this ${this.constructor.name} class (tried ${funcName})`);\n }\n\n return this[funcName].bind(this, data);\n };\n try {\n eventToFunction.call(this, event, data).call();\n } catch (err) {\n logger.error(`An internal error happened while handling event ${event}. Error message: \"${err.message}\". Here is a stacktrace:`, err);\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.OTHER_ERROR, details: ErrorDetails.INTERNAL_EXCEPTION, fatal: false, event: event, err: err });\n }\n }\n}\n\nexport default EventHandler;\n","import Level from '../loader/level';\n\nexport interface LoaderContext {\n // target URL\n url: string\n // loader response type (arraybuffer or default response type for playlist)\n responseType: string\n // start byte range offset\n rangeStart?: number\n // end byte range offset\n rangeEnd?: number\n // true if onProgress should report partial chunk of loaded content\n progressData?: boolean\n}\n\nexport interface LoaderConfiguration {\n // Max number of load retries\n maxRetry: number\n // Timeout after which `onTimeOut` callback will be triggered\n // (if loading is still not finished after that delay)\n timeout: number\n // Delay between an I/O error and following connection retry (ms).\n // This to avoid spamming the server\n retryDelay: number\n // max connection retry delay (ms)\n maxRetryDelay: number\n}\n\nexport interface LoaderResponse {\n url: string,\n // TODO(jstackhouse): SharedArrayBuffer, es2017 extension to TS\n data: string | ArrayBuffer\n}\n\nexport interface LoaderStats {\n // performance.now() just after load() has been called\n trequest: number\n // performance.now() of first received byte\n tfirst: number\n // performance.now() on load complete\n tload: number\n // performance.now() on parse completion\n tparsed: number\n // number of loaded bytes\n loaded: number\n // total number of bytes\n total: number\n}\n\ntype LoaderOnSuccess < T extends LoaderContext > = (\n response: LoaderResponse,\n stats: LoaderStats,\n context: T,\n networkDetails: any\n) => void;\n\ntype LoaderOnProgress < T extends LoaderContext > = (\n stats: LoaderStats,\n context: T,\n data: string | ArrayBuffer,\n networkDetails: any,\n) => void;\n\ntype LoaderOnError < T extends LoaderContext > = (\n error: {\n // error status code\n code: number,\n // error description\n text: string,\n },\n context: T,\n networkDetails: any,\n) => void;\n\ntype LoaderOnTimeout < T extends LoaderContext > = (\n stats: LoaderStats,\n context: T,\n) => void;\n\nexport interface LoaderCallbacks<T extends LoaderContext>{\n onSuccess: LoaderOnSuccess<T>,\n onError: LoaderOnError<T>,\n onTimeout: LoaderOnTimeout<T>,\n onProgress?: LoaderOnProgress<T>,\n}\n\nexport interface Loader<T extends LoaderContext> {\n destroy(): void\n abort(): void\n load(\n context: LoaderContext,\n config: LoaderConfiguration,\n callbacks: LoaderCallbacks<T>,\n ): void\n\n context: T\n}\n\n/**\n * `type` property values for this loaders' context object\n * @enum\n *\n */\nexport enum PlaylistContextType {\n MANIFEST = 'manifest',\n LEVEL = 'level',\n AUDIO_TRACK = 'audioTrack',\n SUBTITLE_TRACK= 'subtitleTrack'\n}\n\n/**\n * @enum {string}\n */\nexport enum PlaylistLevelType {\n MAIN = 'main',\n AUDIO = 'audio',\n SUBTITLE = 'subtitle'\n}\n\nexport interface PlaylistLoaderContext extends LoaderContext {\n loader?: Loader<PlaylistLoaderContext>\n\n type: PlaylistContextType\n // the level index to load\n level: number | null\n // TODO: what is id?\n id: number | null\n // defines if the loader is handling a sidx request for the playlist\n isSidxRequest?: boolean\n // internal reprsentation of a parsed m3u8 level playlist\n levelDetails?: Level\n}\n","import { buildAbsoluteURL } from 'url-toolkit';\n\nexport default class LevelKey {\n private _uri: string | null = null;\n\n public baseuri: string;\n public reluri: string;\n public method: string | null = null;\n public key: Uint8Array | null = null;\n public iv: Uint8Array | null = null;\n\n constructor (baseURI: string, relativeURI: string) {\n this.baseuri = baseURI;\n this.reluri = relativeURI;\n }\n\n get uri () {\n if (!this._uri && this.reluri) {\n this._uri = buildAbsoluteURL(this.baseuri, this.reluri, { alwaysNormalize: true });\n }\n\n return this._uri;\n }\n}\n","\nimport { buildAbsoluteURL } from 'url-toolkit';\nimport { logger } from '../utils/logger';\nimport LevelKey from './level-key';\nimport { PlaylistLevelType } from '../types/loader';\n\nexport enum ElementaryStreamTypes {\n AUDIO = 'audio',\n VIDEO = 'video',\n}\n\nexport default class Fragment {\n private _url: string | null = null;\n private _byteRange: number[] | null = null;\n private _decryptdata: LevelKey | null = null;\n\n // Holds the types of data this fragment supports\n private _elementaryStreams: Record<ElementaryStreamTypes, boolean> = {\n [ElementaryStreamTypes.AUDIO]: false,\n [ElementaryStreamTypes.VIDEO]: false\n };\n\n // deltaPTS tracks the change in presentation timestamp between fragments\n public deltaPTS: number = 0;\n\n public rawProgramDateTime: string | null = null;\n public programDateTime: number | null = null;\n public title: string | null = null;\n public tagList: Array<string[]> = [];\n\n // TODO: Move at least baseurl to constructor.\n // Currently we do a two-pass construction as use the Fragment class almost like a object for holding parsing state.\n // It may make more sense to just use a POJO to keep state during the parsing phase.\n // Have Fragment be the representation once we have a known state?\n // Something to think on.\n\n // Discontinuity Counter\n public cc!: number;\n\n public type!: PlaylistLevelType;\n // relurl is the portion of the URL that comes from inside the playlist.\n public relurl!: string;\n // baseurl is the URL to the playlist\n public baseurl!: string;\n // EXTINF has to be present for a m3u8 to be considered valid\n public duration!: number;\n // When this segment starts in the timeline\n public start!: number;\n // sn notates the sequence number for a segment, and if set to a string can be 'initSegment'\n public sn: number | 'initSegment' = 0;\n\n public urlId: number = 0;\n // level matches this fragment to a index playlist\n public level: number = 0;\n // levelkey is the EXT-X-KEY that applies to this segment for decryption\n // core difference from the private field _decryptdata is the lack of the initialized IV\n // _decryptdata will set the IV for this segment based on the segment number in the fragment\n public levelkey?: LevelKey;\n\n // TODO(typescript-xhrloader)\n public loader: any;\n\n // setByteRange converts a EXT-X-BYTERANGE attribute into a two element array\n setByteRange (value: string, previousFrag?: Fragment) {\n const params = value.split('@', 2);\n const byteRange: number[] = [];\n if (params.length === 1) {\n byteRange[0] = previousFrag ? previousFrag.byteRangeEndOffset : 0;\n } else {\n byteRange[0] = parseInt(params[1]);\n }\n byteRange[1] = parseInt(params[0]) + byteRange[0];\n this._byteRange = byteRange;\n }\n\n get url () {\n if (!this._url && this.relurl) {\n this._url = buildAbsoluteURL(this.baseurl, this.relurl, { alwaysNormalize: true });\n }\n\n return this._url;\n }\n\n set url (value) {\n this._url = value;\n }\n\n get byteRange (): number[] {\n if (!this._byteRange) {\n return [];\n }\n\n return this._byteRange;\n }\n\n /**\n * @type {number}\n */\n get byteRangeStartOffset () {\n return this.byteRange[0];\n }\n\n get byteRangeEndOffset () {\n return this.byteRange[1];\n }\n\n get decryptdata (): LevelKey | null {\n if (!this.levelkey && !this._decryptdata) {\n return null;\n }\n\n if (!this._decryptdata && this.levelkey) {\n let sn = this.sn;\n if (typeof sn !== 'number') {\n // We are fetching decryption data for a initialization segment\n // If the segment was encrypted with AES-128\n // It must have an IV defined. We cannot substitute the Segment Number in.\n if (this.levelkey && this.levelkey.method === 'AES-128' && !this.levelkey.iv) {\n logger.warn(`missing IV for initialization segment with method=\"${this.levelkey.method}\" - compliance issue`);\n }\n\n /*\n Be converted to a Number.\n 'initSegment' will become NaN.\n NaN, which when converted through ToInt32() -> +0.\n ---\n Explicitly set sn to resulting value from implicit conversions 'initSegment' values for IV generation.\n */\n sn = 0;\n }\n this._decryptdata = this.setDecryptDataFromLevelKey(this.levelkey, sn);\n }\n\n return this._decryptdata;\n }\n\n get endProgramDateTime () {\n if (this.programDateTime === null) {\n return null;\n }\n\n if (!Number.isFinite(this.programDateTime)) {\n return null;\n }\n\n let duration = !Number.isFinite(this.duration) ? 0 : this.duration;\n\n return this.programDateTime + (duration * 1000);\n }\n\n get encrypted () {\n return !!((this.decryptdata && this.decryptdata.uri !== null) && (this.decryptdata.key === null));\n }\n\n /**\n * @param {ElementaryStreamTypes} type\n */\n addElementaryStream (type: ElementaryStreamTypes) {\n this._elementaryStreams[type] = true;\n }\n\n /**\n * @param {ElementaryStreamTypes} type\n */\n hasElementaryStream (type: ElementaryStreamTypes) {\n return this._elementaryStreams[type] === true;\n }\n\n /**\n * Utility method for parseLevelPlaylist to create an initialization vector for a given segment\n * @param {number} segmentNumber - segment number to generate IV with\n * @returns {Uint8Array}\n */\n createInitializationVector (segmentNumber: number): Uint8Array {\n let uint8View = new Uint8Array(16);\n\n for (let i = 12; i < 16; i++) {\n uint8View[i] = (segmentNumber >> 8 * (15 - i)) & 0xff;\n }\n\n return uint8View;\n }\n\n /**\n * Utility method for parseLevelPlaylist to get a fragment's decryption data from the currently parsed encryption key data\n * @param levelkey - a playlist's encryption info\n * @param segmentNumber - the fragment's segment number\n * @returns {LevelKey} - an object to be applied as a fragment's decryptdata\n */\n setDecryptDataFromLevelKey (levelkey: LevelKey, segmentNumber: number): LevelKey {\n let decryptdata = levelkey;\n\n if (levelkey && levelkey.method && levelkey.uri && !levelkey.iv) {\n decryptdata = new LevelKey(levelkey.baseuri, levelkey.reluri);\n decryptdata.method = levelkey.method;\n decryptdata.iv = this.createInitializationVector(segmentNumber);\n }\n\n return decryptdata;\n }\n}\n","export default class Level {\n constructor (baseUrl) {\n // Please keep properties in alphabetical order\n this.endCC = 0;\n this.endSN = 0;\n this.fragments = [];\n this.initSegment = null;\n this.live = true;\n this.needSidxRanges = false;\n this.startCC = 0;\n this.startSN = 0;\n this.startTimeOffset = null;\n this.targetduration = 0;\n this.totalduration = 0;\n this.type = null;\n this.url = baseUrl;\n this.version = null;\n }\n\n get hasProgramDateTime () {\n return !!(this.fragments[0] && Number.isFinite(this.fragments[0].programDateTime));\n }\n}\n","const DECIMAL_RESOLUTION_REGEX = /^(\\d+)x(\\d+)$/; // eslint-disable-line no-useless-escape\nconst ATTR_LIST_REGEX = /\\s*(.+?)\\s*=((?:\\\".*?\\\")|.*?)(?:,|$)/g; // eslint-disable-line no-useless-escape\n\n// adapted from https://github.com/kanongil/node-m3u8parse/blob/master/attrlist.js\nclass AttrList {\n constructor (attrs) {\n if (typeof attrs === 'string') {\n attrs = AttrList.parseAttrList(attrs);\n }\n\n for (let attr in attrs) {\n if (attrs.hasOwnProperty(attr)) {\n this[attr] = attrs[attr];\n }\n }\n }\n\n decimalInteger (attrName) {\n const intValue = parseInt(this[attrName], 10);\n if (intValue > Number.MAX_SAFE_INTEGER) {\n return Infinity;\n }\n\n return intValue;\n }\n\n hexadecimalInteger (attrName) {\n if (this[attrName]) {\n let stringValue = (this[attrName] || '0x').slice(2);\n stringValue = ((stringValue.length & 1) ? '0' : '') + stringValue;\n\n const value = new Uint8Array(stringValue.length / 2);\n for (let i = 0; i < stringValue.length / 2; i++) {\n value[i] = parseInt(stringValue.slice(i * 2, i * 2 + 2), 16);\n }\n\n return value;\n } else {\n return null;\n }\n }\n\n hexadecimalIntegerAsNumber (attrName) {\n const intValue = parseInt(this[attrName], 16);\n if (intValue > Number.MAX_SAFE_INTEGER) {\n return Infinity;\n }\n\n return intValue;\n }\n\n decimalFloatingPoint (attrName) {\n return parseFloat(this[attrName]);\n }\n\n enumeratedString (attrName) {\n return this[attrName];\n }\n\n decimalResolution (attrName) {\n const res = DECIMAL_RESOLUTION_REGEX.exec(this[attrName]);\n if (res === null) {\n return undefined;\n }\n\n return {\n width: parseInt(res[1], 10),\n height: parseInt(res[2], 10)\n };\n }\n\n static parseAttrList (input) {\n let match, attrs = {};\n ATTR_LIST_REGEX.lastIndex = 0;\n while ((match = ATTR_LIST_REGEX.exec(input)) !== null) {\n let value = match[2], quote = '\"';\n\n if (value.indexOf(quote) === 0 &&\n value.lastIndexOf(quote) === (value.length - 1)) {\n value = value.slice(1, -1);\n }\n\n attrs[match[1]] = value;\n }\n return attrs;\n }\n}\n\nexport default AttrList;\n","// from http://mp4ra.org/codecs.html\nconst sampleEntryCodesISO = {\n audio: {\n 'a3ds': true,\n 'ac-3': true,\n 'ac-4': true,\n 'alac': true,\n 'alaw': true,\n 'dra1': true,\n 'dts+': true,\n 'dts-': true,\n 'dtsc': true,\n 'dtse': true,\n 'dtsh': true,\n 'ec-3': true,\n 'enca': true,\n 'g719': true,\n 'g726': true,\n 'm4ae': true,\n 'mha1': true,\n 'mha2': true,\n 'mhm1': true,\n 'mhm2': true,\n 'mlpa': true,\n 'mp4a': true,\n 'raw ': true,\n 'Opus': true,\n 'samr': true,\n 'sawb': true,\n 'sawp': true,\n 'sevc': true,\n 'sqcp': true,\n 'ssmv': true,\n 'twos': true,\n 'ulaw': true\n },\n video: {\n 'avc1': true,\n 'avc2': true,\n 'avc3': true,\n 'avc4': true,\n 'avcp': true,\n 'drac': true,\n 'dvav': true,\n 'dvhe': true,\n 'encv': true,\n 'hev1': true,\n 'hvc1': true,\n 'mjp2': true,\n 'mp4v': true,\n 'mvc1': true,\n 'mvc2': true,\n 'mvc3': true,\n 'mvc4': true,\n 'resv': true,\n 'rv60': true,\n 's263': true,\n 'svc1': true,\n 'svc2': true,\n 'vc-1': true,\n 'vp08': true,\n 'vp09': true\n }\n};\n\nexport type CodecType = 'audio' | 'video';\n\nfunction isCodecType (codec: string, type: CodecType): boolean {\n const typeCodes = sampleEntryCodesISO[type];\n return !!typeCodes && typeCodes[codec.slice(0, 4)] === true;\n}\n\nfunction isCodecSupportedInMp4 (codec: string, type: CodecType): boolean {\n return MediaSource.isTypeSupported(`${type || 'video'}/mp4;codecs=\"${codec}\"`);\n}\n\nexport { isCodecType, isCodecSupportedInMp4 };\n","import * as URLToolkit from 'url-toolkit';\n\nimport Fragment from './fragment';\nimport Level from './level';\nimport LevelKey from './level-key';\n\nimport AttrList from '../utils/attr-list';\nimport { logger } from '../utils/logger';\nimport { isCodecType, CodecType } from '../utils/codecs';\nimport { MediaPlaylist, AudioGroup, MediaPlaylistType } from '../types/media-playlist';\nimport { PlaylistLevelType } from '../types/loader';\n\n/**\n * M3U8 parser\n * @module\n */\n\n// https://regex101.com is your friend\nconst MASTER_PLAYLIST_REGEX = /#EXT-X-STREAM-INF:([^\\n\\r]*)[\\r\\n]+([^\\r\\n]+)/g;\nconst MASTER_PLAYLIST_MEDIA_REGEX = /#EXT-X-MEDIA:(.*)/g;\n\nconst LEVEL_PLAYLIST_REGEX_FAST = new RegExp([\n /#EXTINF:\\s*(\\d*(?:\\.\\d+)?)(?:,(.*)\\s+)?/.source, // duration (#EXTINF:<duration>,<title>), group 1 => duration, group 2 => title\n /|(?!#)([\\S+ ?]+)/.source, // segment URI, group 3 => the URI (note newline is not eaten)\n /|#EXT-X-BYTERANGE:*(.+)/.source, // next segment's byterange, group 4 => range spec (x@y)\n /|#EXT-X-PROGRAM-DATE-TIME:(.+)/.source, // next segment's program date/time group 5 => the datetime spec\n /|#.*/.source // All other non-segment oriented tags will match with all groups empty\n].join(''), 'g');\n\nconst LEVEL_PLAYLIST_REGEX_SLOW = /(?:(?:#(EXTM3U))|(?:#EXT-X-(PLAYLIST-TYPE):(.+))|(?:#EXT-X-(MEDIA-SEQUENCE): *(\\d+))|(?:#EXT-X-(TARGETDURATION): *(\\d+))|(?:#EXT-X-(KEY):(.+))|(?:#EXT-X-(START):(.+))|(?:#EXT-X-(ENDLIST))|(?:#EXT-X-(DISCONTINUITY-SEQ)UENCE:(\\d+))|(?:#EXT-X-(DIS)CONTINUITY))|(?:#EXT-X-(VERSION):(\\d+))|(?:#EXT-X-(MAP):(.+))|(?:(#)([^:]*):(.*))|(?:(#)(.*))(?:.*)\\r?\\n?/;\n\nconst MP4_REGEX_SUFFIX = /\\.(mp4|m4s|m4v|m4a)$/i;\n\nexport default class M3U8Parser {\n static findGroup (groups: Array<AudioGroup>, mediaGroupId: string): AudioGroup | undefined {\n for (let i = 0; i < groups.length; i++) {\n const group = groups[i];\n if (group.id === mediaGroupId) {\n return group;\n }\n }\n }\n\n static convertAVC1ToAVCOTI (codec) {\n let avcdata = codec.split('.');\n let result;\n if (avcdata.length > 2) {\n result = avcdata.shift() + '.';\n result += parseInt(avcdata.shift()).toString(16);\n result += ('000' + parseInt(avcdata.shift()).toString(16)).substr(-4);\n } else {\n result = codec;\n }\n return result;\n }\n\n static resolve (url, baseUrl) {\n return URLToolkit.buildAbsoluteURL(baseUrl, url, { alwaysNormalize: true });\n }\n\n static parseMasterPlaylist (string: string, baseurl: string) {\n // TODO(typescript-level)\n let levels: Array<any> = [];\n MASTER_PLAYLIST_REGEX.lastIndex = 0;\n\n // TODO(typescript-level)\n function setCodecs (codecs: Array<string>, level: any) {\n ['video', 'audio'].forEach((type: CodecType) => {\n const filtered = codecs.filter((codec) => isCodecType(codec, type));\n if (filtered.length) {\n const preferred = filtered.filter((codec) => {\n return codec.lastIndexOf('avc1', 0) === 0 || codec.lastIndexOf('mp4a', 0) === 0;\n });\n level[`${type}Codec`] = preferred.length > 0 ? preferred[0] : filtered[0];\n\n // remove from list\n codecs = codecs.filter((codec) => filtered.indexOf(codec) === -1);\n }\n });\n\n level.unknownCodecs = codecs;\n }\n\n let result: RegExpExecArray | null;\n while ((result = MASTER_PLAYLIST_REGEX.exec(string)) != null) {\n // TODO(typescript-level)\n const level: any = {};\n\n const attrs = level.attrs = new AttrList(result[1]);\n level.url = M3U8Parser.resolve(result[2], baseurl);\n\n const resolution = attrs.decimalResolution('RESOLUTION');\n if (resolution) {\n level.width = resolution.width;\n level.height = resolution.height;\n }\n level.bitrate = attrs.decimalInteger('AVERAGE-BANDWIDTH') || attrs.decimalInteger('BANDWIDTH');\n level.name = attrs.NAME;\n\n setCodecs([].concat((attrs.CODECS || '').split(/[ ,]+/)), level);\n\n if (level.videoCodec && level.videoCodec.indexOf('avc1') !== -1) {\n level.videoCodec = M3U8Parser.convertAVC1ToAVCOTI(level.videoCodec);\n }\n\n levels.push(level);\n }\n return levels;\n }\n\n static parseMasterPlaylistMedia (string: string, baseurl: string, type: MediaPlaylistType, audioGroups: Array<AudioGroup> = []): Array<MediaPlaylist> {\n let result: RegExpExecArray | null;\n let medias: Array<MediaPlaylist> = [];\n let id = 0;\n MASTER_PLAYLIST_MEDIA_REGEX.lastIndex = 0;\n while ((result = MASTER_PLAYLIST_MEDIA_REGEX.exec(string)) !== null) {\n const attrs = new AttrList(result[1]);\n if (attrs.TYPE === type) {\n const media: MediaPlaylist = {\n id: id++,\n groupId: attrs['GROUP-ID'],\n name: attrs.NAME || attrs.LANGUAGE,\n type,\n default: (attrs.DEFAULT === 'YES'),\n autoselect: (attrs.AUTOSELECT === 'YES'),\n forced: (attrs.FORCED === 'YES'),\n lang: attrs.LANGUAGE\n };\n\n if (attrs.URI) {\n media.url = M3U8Parser.resolve(attrs.URI, baseurl);\n }\n\n if (audioGroups.length) {\n // If there are audio groups signalled in the manifest, let's look for a matching codec string for this track\n const groupCodec = M3U8Parser.findGroup(audioGroups, media.groupId as string);\n\n // If we don't find the track signalled, lets use the first audio groups codec we have\n // Acting as a best guess\n media.audioCodec = groupCodec ? groupCodec.codec : audioGroups[0].codec;\n }\n\n medias.push(media);\n }\n }\n return medias;\n }\n\n static parseLevelPlaylist (string: string, baseurl: string, id: number, type: PlaylistLevelType, levelUrlId: number) {\n let currentSN = 0;\n let totalduration = 0;\n let level = new Level(baseurl);\n let discontinuityCounter = 0;\n let prevFrag: Fragment | null = null;\n let frag: Fragment | null = new Fragment();\n let result: RegExpExecArray | RegExpMatchArray | null;\n let i: number;\n let levelkey: LevelKey | undefined;\n\n let firstPdtIndex = null;\n\n LEVEL_PLAYLIST_REGEX_FAST.lastIndex = 0;\n\n while ((result = LEVEL_PLAYLIST_REGEX_FAST.exec(string)) !== null) {\n const duration = result[1];\n if (duration) { // INF\n frag.duration = parseFloat(duration);\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n const title = (' ' + result[2]).slice(1);\n frag.title = title || null;\n frag.tagList.push(title ? [ 'INF', duration, title ] : [ 'INF', duration ]);\n } else if (result[3]) { // url\n if (Number.isFinite(frag.duration)) {\n const sn = currentSN++;\n frag.type = type;\n frag.start = totalduration;\n if (levelkey) {\n frag.levelkey = levelkey;\n }\n frag.sn = sn;\n frag.level = id;\n frag.cc = discontinuityCounter;\n frag.urlId = levelUrlId;\n frag.baseurl = baseurl;\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n frag.relurl = (' ' + result[3]).slice(1);\n assignProgramDateTime(frag, prevFrag);\n\n level.fragments.push(frag);\n prevFrag = frag;\n totalduration += frag.duration;\n\n frag = new Fragment();\n }\n } else if (result[4]) { // X-BYTERANGE\n const data = (' ' + result[4]).slice(1);\n if (prevFrag) {\n frag.setByteRange(data, prevFrag);\n } else {\n frag.setByteRange(data);\n }\n } else if (result[5]) { // PROGRAM-DATE-TIME\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n frag.rawProgramDateTime = (' ' + result[5]).slice(1);\n frag.tagList.push(['PROGRAM-DATE-TIME', frag.rawProgramDateTime]);\n if (firstPdtIndex === null) {\n firstPdtIndex = level.fragments.length;\n }\n } else {\n result = result[0].match(LEVEL_PLAYLIST_REGEX_SLOW);\n if (!result) {\n logger.warn('No matches on slow regex match for level playlist!');\n continue;\n }\n for (i = 1; i < result.length; i++) {\n if (typeof result[i] !== 'undefined') {\n break;\n }\n }\n\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n const value1 = (' ' + result[i + 1]).slice(1);\n const value2 = (' ' + result[i + 2]).slice(1);\n\n switch (result[i]) {\n case '#':\n frag.tagList.push(value2 ? [ value1, value2 ] : [ value1 ]);\n break;\n case 'PLAYLIST-TYPE':\n level.type = value1.toUpperCase();\n break;\n case 'MEDIA-SEQUENCE':\n currentSN = level.startSN = parseInt(value1);\n break;\n case 'TARGETDURATION':\n level.targetduration = parseFloat(value1);\n break;\n case 'VERSION':\n level.version = parseInt(value1);\n break;\n case 'EXTM3U':\n break;\n case 'ENDLIST':\n level.live = false;\n break;\n case 'DIS':\n discontinuityCounter++;\n frag.tagList.push(['DIS']);\n break;\n case 'DISCONTINUITY-SEQ':\n discontinuityCounter = parseInt(value1);\n break;\n case 'KEY': {\n // https://tools.ietf.org/html/draft-pantos-http-live-streaming-08#section-3.4.4\n const decryptparams = value1;\n const keyAttrs = new AttrList(decryptparams);\n const decryptmethod = keyAttrs.enumeratedString('METHOD');\n const decrypturi = keyAttrs.URI;\n const decryptiv = keyAttrs.hexadecimalInteger('IV');\n\n if (decryptmethod) {\n levelkey = new LevelKey(baseurl, decrypturi);\n if ((decrypturi) && (['AES-128', 'SAMPLE-AES', 'SAMPLE-AES-CENC'].indexOf(decryptmethod) >= 0)) {\n levelkey.method = decryptmethod;\n levelkey.key = null;\n // Initialization Vector (IV)\n levelkey.iv = decryptiv;\n }\n }\n break;\n }\n case 'START': {\n const startAttrs = new AttrList(value1);\n const startTimeOffset = startAttrs.decimalFloatingPoint('TIME-OFFSET');\n // TIME-OFFSET can be 0\n if (Number.isFinite(startTimeOffset)) {\n level.startTimeOffset = startTimeOffset;\n }\n break;\n }\n case 'MAP': {\n const mapAttrs = new AttrList(value1);\n frag.relurl = mapAttrs.URI;\n if (mapAttrs.BYTERANGE) {\n frag.setByteRange(mapAttrs.BYTERANGE);\n }\n frag.baseurl = baseurl;\n frag.level = id;\n frag.type = type;\n frag.sn = 'initSegment';\n level.initSegment = frag;\n frag = new Fragment();\n frag.rawProgramDateTime = level.initSegment.rawProgramDateTime;\n break;\n }\n default:\n logger.warn(`line parsed but not handled: ${result}`);\n break;\n }\n }\n }\n frag = prevFrag;\n // logger.log('found ' + level.fragments.length + ' fragments');\n if (frag && !frag.relurl) {\n level.fragments.pop();\n totalduration -= frag.duration;\n }\n level.totalduration = totalduration;\n level.averagetargetduration = totalduration / level.fragments.length;\n level.endSN = currentSN - 1;\n level.startCC = level.fragments[0] ? level.fragments[0].cc : 0;\n level.endCC = discontinuityCounter;\n\n if (!level.initSegment && level.fragments.length) {\n // this is a bit lurky but HLS really has no other way to tell us\n // if the fragments are TS or MP4, except if we download them :/\n // but this is to be able to handle SIDX.\n if (level.fragments.every((frag) => MP4_REGEX_SUFFIX.test(frag.relurl))) {\n logger.warn('MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX');\n\n frag = new Fragment();\n frag.relurl = level.fragments[0].relurl;\n frag.baseurl = baseurl;\n frag.level = id;\n frag.type = type;\n frag.sn = 'initSegment';\n\n level.initSegment = frag;\n level.needSidxRanges = true;\n }\n }\n\n /**\n * Backfill any missing PDT values\n \"If the first EXT-X-PROGRAM-DATE-TIME tag in a Playlist appears after\n one or more Media Segment URIs, the client SHOULD extrapolate\n backward from that tag (using EXTINF durations and/or media\n timestamps) to associate dates with those segments.\"\n * We have already extrapolated forward, but all fragments up to the first instance of PDT do not have their PDTs\n * computed.\n */\n if (firstPdtIndex) {\n backfillProgramDateTimes(level.fragments, firstPdtIndex);\n }\n\n return level;\n }\n}\n\nfunction backfillProgramDateTimes (fragments, startIndex) {\n let fragPrev = fragments[startIndex];\n for (let i = startIndex - 1; i >= 0; i--) {\n const frag = fragments[i];\n frag.programDateTime = fragPrev.programDateTime - (frag.duration * 1000);\n fragPrev = frag;\n }\n}\n\nfunction assignProgramDateTime (frag, prevFrag) {\n if (frag.rawProgramDateTime) {\n frag.programDateTime = Date.parse(frag.rawProgramDateTime);\n } else if (prevFrag && prevFrag.programDateTime) {\n frag.programDateTime = prevFrag.endProgramDateTime;\n }\n\n if (!Number.isFinite(frag.programDateTime)) {\n frag.programDateTime = null;\n frag.rawProgramDateTime = null;\n }\n}\n","/**\n * PlaylistLoader - delegate for media manifest/playlist loading tasks. Takes care of parsing media to internal data-models.\n *\n * Once loaded, dispatches events with parsed data-models of manifest/levels/audio/subtitle tracks.\n *\n * Uses loader(s) set in config to do actual internal loading of resource tasks.\n *\n * @module\n *\n */\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport { Loader, PlaylistContextType, PlaylistLoaderContext, PlaylistLevelType, LoaderCallbacks, LoaderResponse, LoaderStats, LoaderConfiguration } from '../types/loader';\nimport MP4Demuxer from '../demux/mp4demuxer';\nimport M3U8Parser from './m3u8-parser';\nimport { AudioGroup } from '../types/media-playlist';\n\nconst { performance } = window;\n\n/**\n * @constructor\n */\nclass PlaylistLoader extends EventHandler {\n private loaders: Partial<Record<PlaylistContextType, Loader<PlaylistLoaderContext>>> = {};\n\n /**\n * @constructs\n * @param {Hls} hls\n */\n constructor (hls) {\n super(hls,\n Event.MANIFEST_LOADING,\n Event.LEVEL_LOADING,\n Event.AUDIO_TRACK_LOADING,\n Event.SUBTITLE_TRACK_LOADING);\n }\n\n /**\n * @param {PlaylistContextType} type\n * @returns {boolean}\n */\n static canHaveQualityLevels (type: PlaylistContextType): boolean {\n return (type !== PlaylistContextType.AUDIO_TRACK &&\n type !== PlaylistContextType.SUBTITLE_TRACK);\n }\n\n /**\n * Map context.type to LevelType\n * @param {PlaylistLoaderContext} context\n * @returns {LevelType}\n */\n static mapContextToLevelType (context: PlaylistLoaderContext): PlaylistLevelType {\n const { type } = context;\n\n switch (type) {\n case PlaylistContextType.AUDIO_TRACK:\n return PlaylistLevelType.AUDIO;\n case PlaylistContextType.SUBTITLE_TRACK:\n return PlaylistLevelType.SUBTITLE;\n default:\n return PlaylistLevelType.MAIN;\n }\n }\n\n static getResponseUrl (response: LoaderResponse, context: PlaylistLoaderContext): string {\n let url = response.url;\n // responseURL not supported on some browsers (it is used to detect URL redirection)\n // data-uri mode also not supported (but no need to detect redirection)\n if (url === undefined || url.indexOf('data:') === 0) {\n // fallback to initial URL\n url = context.url;\n }\n return url;\n }\n\n /**\n * Returns defaults or configured loader-type overloads (pLoader and loader config params)\n * Default loader is XHRLoader (see utils)\n * @param {PlaylistLoaderContext} context\n * @returns {Loader} or other compatible configured overload\n */\n createInternalLoader (context: PlaylistLoaderContext): Loader<PlaylistLoaderContext> {\n const config = this.hls.config;\n const PLoader = config.pLoader;\n const Loader = config.loader;\n // TODO(typescript-config): Verify once config is typed that InternalLoader always returns a Loader\n const InternalLoader = PLoader || Loader;\n\n const loader = new InternalLoader(config);\n\n // TODO - Do we really need to assign the instance or if the dep has been lost\n context.loader = loader;\n this.loaders[context.type] = loader;\n\n return loader;\n }\n\n getInternalLoader (context: PlaylistLoaderContext): Loader<PlaylistLoaderContext> | undefined {\n return this.loaders[context.type];\n }\n\n resetInternalLoader (contextType: PlaylistContextType) {\n if (this.loaders[contextType]) {\n delete this.loaders[contextType];\n }\n }\n\n /**\n * Call `destroy` on all internal loader instances mapped (one per context type)\n */\n destroyInternalLoaders () {\n for (let contextType in this.loaders) {\n let loader = this.loaders[contextType];\n if (loader) {\n loader.destroy();\n }\n\n this.resetInternalLoader(contextType as PlaylistContextType);\n }\n }\n\n destroy () {\n this.destroyInternalLoaders();\n\n super.destroy();\n }\n\n onManifestLoading (data: { url: string; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.MANIFEST,\n level: 0,\n id: null,\n responseType: 'text'\n });\n }\n\n onLevelLoading (data: { url: string; level: number | null; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.LEVEL,\n level: data.level,\n id: data.id,\n responseType: 'text'\n });\n }\n\n onAudioTrackLoading (data: { url: string; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.AUDIO_TRACK,\n level: null,\n id: data.id,\n responseType: 'text'\n });\n }\n\n onSubtitleTrackLoading (data: { url: string; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.SUBTITLE_TRACK,\n level: null,\n id: data.id,\n responseType: 'text'\n });\n }\n\n load (context: PlaylistLoaderContext): boolean {\n const config = this.hls.config;\n\n logger.debug(`Loading playlist of type ${context.type}, level: ${context.level}, id: ${context.id}`);\n\n // Check if a loader for this context already exists\n let loader = this.getInternalLoader(context);\n if (loader) {\n const loaderContext = loader.context;\n if (loaderContext && loaderContext.url === context.url) { // same URL can't overlap\n logger.trace('playlist request ongoing');\n return false;\n } else {\n logger.warn(`aborting previous loader for type: ${context.type}`);\n loader.abort();\n }\n }\n\n let maxRetry: number;\n let timeout: number;\n let retryDelay: number;\n let maxRetryDelay: number;\n\n // apply different configs for retries depending on\n // context (manifest, level, audio/subs playlist)\n switch (context.type) {\n case PlaylistContextType.MANIFEST:\n maxRetry = config.manifestLoadingMaxRetry;\n timeout = config.manifestLoadingTimeOut;\n retryDelay = config.manifestLoadingRetryDelay;\n maxRetryDelay = config.manifestLoadingMaxRetryTimeout;\n break;\n case PlaylistContextType.LEVEL:\n // Disable internal loader retry logic, since we are managing retries in Level Controller\n maxRetry = 0;\n maxRetryDelay = 0;\n retryDelay = 0;\n timeout = config.levelLoadingTimeOut;\n // TODO Introduce retry settings for audio-track and subtitle-track, it should not use level retry config\n break;\n default:\n maxRetry = config.levelLoadingMaxRetry;\n timeout = config.levelLoadingTimeOut;\n retryDelay = config.levelLoadingRetryDelay;\n maxRetryDelay = config.levelLoadingMaxRetryTimeout;\n break;\n }\n\n loader = this.createInternalLoader(context);\n\n const loaderConfig: LoaderConfiguration = {\n timeout,\n maxRetry,\n retryDelay,\n maxRetryDelay\n };\n\n const loaderCallbacks: LoaderCallbacks<PlaylistLoaderContext> = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this)\n };\n\n logger.debug(`Calling internal loader delegate for URL: ${context.url}`);\n loader.load(context, loaderConfig, loaderCallbacks);\n\n return true;\n }\n\n loadsuccess (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown = null) {\n if (context.isSidxRequest) {\n this._handleSidxRequest(response, context);\n this._handlePlaylistLoaded(response, stats, context, networkDetails);\n return;\n }\n\n this.resetInternalLoader(context.type);\n if (typeof response.data !== 'string') {\n throw new Error('expected responseType of \"text\" for PlaylistLoader');\n }\n\n const string = response.data;\n\n stats.tload = performance.now();\n // stats.mtime = new Date(target.getResponseHeader('Last-Modified'));\n\n // Validate if it is an M3U8 at all\n if (string.indexOf('#EXTM3U') !== 0) {\n this._handleManifestParsingError(response, context, 'no EXTM3U delimiter', networkDetails);\n return;\n }\n\n // Check if chunk-list or master. handle empty chunk list case (first EXTINF not signaled, but TARGETDURATION present)\n if (string.indexOf('#EXTINF:') > 0 || string.indexOf('#EXT-X-TARGETDURATION:') > 0) {\n this._handleTrackOrLevelPlaylist(response, stats, context, networkDetails);\n } else {\n this._handleMasterPlaylist(response, stats, context, networkDetails);\n }\n }\n\n loaderror (response: LoaderResponse, context: PlaylistLoaderContext, networkDetails = null) {\n this._handleNetworkError(context, networkDetails, false, response);\n }\n\n loadtimeout (stats: LoaderStats, context: PlaylistLoaderContext, networkDetails = null) {\n this._handleNetworkError(context, networkDetails, true);\n }\n\n // TODO(typescript-config): networkDetails can currently be a XHR or Fetch impl,\n // but with custom loaders it could be generic investigate this further when config is typed\n _handleMasterPlaylist (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const hls = this.hls;\n const string = response.data as string;\n\n const url = PlaylistLoader.getResponseUrl(response, context);\n const levels = M3U8Parser.parseMasterPlaylist(string, url);\n if (!levels.length) {\n this._handleManifestParsingError(response, context, 'no level found in manifest', networkDetails);\n return;\n }\n\n // multi level playlist, parse level info\n const audioGroups: Array<AudioGroup> = levels.map(level => ({\n id: level.attrs.AUDIO,\n codec: level.audioCodec\n }));\n\n const audioTracks = M3U8Parser.parseMasterPlaylistMedia(string, url, 'AUDIO', audioGroups);\n const subtitles = M3U8Parser.parseMasterPlaylistMedia(string, url, 'SUBTITLES');\n\n if (audioTracks.length) {\n // check if we have found an audio track embedded in main playlist (audio track without URI attribute)\n let embeddedAudioFound = false;\n audioTracks.forEach(audioTrack => {\n if (!audioTrack.url) {\n embeddedAudioFound = true;\n }\n });\n\n // if no embedded audio track defined, but audio codec signaled in quality level,\n // we need to signal this main audio track this could happen with playlists with\n // alt audio rendition in which quality levels (main)\n // contains both audio+video. but with mixed audio track not signaled\n if (embeddedAudioFound === false && levels[0].audioCodec && !levels[0].attrs.AUDIO) {\n logger.log('audio codec signaled in quality level, but no embedded audio track signaled, create one');\n audioTracks.unshift({\n type: 'main',\n name: 'main',\n default: false,\n autoselect: false,\n forced: false,\n id: -1\n });\n }\n }\n\n hls.trigger(Event.MANIFEST_LOADED, {\n levels,\n audioTracks,\n subtitles,\n url,\n stats,\n networkDetails\n });\n }\n\n _handleTrackOrLevelPlaylist (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const hls = this.hls;\n\n const { id, level, type } = context;\n\n const url = PlaylistLoader.getResponseUrl(response, context);\n\n // if the values are null, they will result in the else conditional\n const levelUrlId = Number.isFinite(id as number) ? id as number : 0;\n const levelId = Number.isFinite(level as number) ? level as number : levelUrlId;\n\n const levelType = PlaylistLoader.mapContextToLevelType(context);\n const levelDetails = M3U8Parser.parseLevelPlaylist(response.data as string, url, levelId, levelType, levelUrlId);\n\n // set stats on level structure\n // TODO(jstackhouse): why? mixing concerns, is it just treated as value bag?\n (levelDetails as any).tload = stats.tload;\n\n // We have done our first request (Manifest-type) and receive\n // not a master playlist but a chunk-list (track/level)\n // We fire the manifest-loaded event anyway with the parsed level-details\n // by creating a single-level structure for it.\n if (type === PlaylistContextType.MANIFEST) {\n const singleLevel = {\n url,\n details: levelDetails\n };\n\n hls.trigger(Event.MANIFEST_LOADED, {\n levels: [singleLevel],\n audioTracks: [],\n url,\n stats,\n networkDetails\n });\n }\n\n // save parsing time\n stats.tparsed = performance.now();\n\n // in case we need SIDX ranges\n // return early after calling load for\n // the SIDX box.\n if (levelDetails.needSidxRanges) {\n const sidxUrl = levelDetails.initSegment.url;\n this.load({\n url: sidxUrl,\n isSidxRequest: true,\n type,\n level,\n levelDetails,\n id,\n rangeStart: 0,\n rangeEnd: 2048,\n responseType: 'arraybuffer'\n });\n return;\n }\n\n // extend the context with the new levelDetails property\n context.levelDetails = levelDetails;\n\n this._handlePlaylistLoaded(response, stats, context, networkDetails);\n }\n\n _handleSidxRequest (response: LoaderResponse, context: PlaylistLoaderContext) {\n if (typeof response.data === 'string') {\n throw new Error('sidx request must be made with responseType of array buffer');\n }\n\n const sidxInfo = MP4Demuxer.parseSegmentIndex(new Uint8Array(response.data));\n // if provided fragment does not contain sidx, early return\n if (!sidxInfo) {\n return;\n }\n const sidxReferences = sidxInfo.references;\n const levelDetails = context.levelDetails;\n sidxReferences.forEach((segmentRef, index) => {\n const segRefInfo = segmentRef.info;\n if (!levelDetails) {\n return;\n }\n const frag = levelDetails.fragments[index];\n if (frag.byteRange.length === 0) {\n frag.setByteRange(String(1 + segRefInfo.end - segRefInfo.start) + '@' + String(segRefInfo.start));\n }\n });\n\n if (levelDetails) {\n levelDetails.initSegment.setByteRange(String(sidxInfo.moovEndOffset) + '@0');\n }\n }\n\n _handleManifestParsingError (response: LoaderResponse, context: PlaylistLoaderContext, reason: string, networkDetails: unknown) {\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.NETWORK_ERROR,\n details: ErrorDetails.MANIFEST_PARSING_ERROR,\n fatal: true,\n url: response.url,\n reason,\n networkDetails\n });\n }\n\n _handleNetworkError (context: PlaylistLoaderContext, networkDetails: unknown, timeout: boolean = false, response: LoaderResponse | null = null) {\n logger.info(`A network error occured while loading a ${context.type}-type playlist`);\n\n let details;\n let fatal;\n\n const loader = this.getInternalLoader(context);\n\n switch (context.type) {\n case PlaylistContextType.MANIFEST:\n details = (timeout ? ErrorDetails.MANIFEST_LOAD_TIMEOUT : ErrorDetails.MANIFEST_LOAD_ERROR);\n fatal = true;\n break;\n case PlaylistContextType.LEVEL:\n details = (timeout ? ErrorDetails.LEVEL_LOAD_TIMEOUT : ErrorDetails.LEVEL_LOAD_ERROR);\n fatal = false;\n break;\n case PlaylistContextType.AUDIO_TRACK:\n details = (timeout ? ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT : ErrorDetails.AUDIO_TRACK_LOAD_ERROR);\n fatal = false;\n break;\n default:\n // details = ...?\n fatal = false;\n }\n\n if (loader) {\n loader.abort();\n this.resetInternalLoader(context.type);\n }\n\n // TODO(typescript-events): when error events are handled, type this\n let errorData: any = {\n type: ErrorTypes.NETWORK_ERROR,\n details,\n fatal,\n url: context.url,\n loader,\n context,\n networkDetails\n };\n\n if (response) {\n errorData.response = response;\n }\n\n this.hls.trigger(Event.ERROR, errorData);\n }\n\n _handlePlaylistLoaded (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const { type, level, id, levelDetails } = context;\n\n if (!levelDetails || !levelDetails.targetduration) {\n this._handleManifestParsingError(response, context, 'invalid target duration', networkDetails);\n return;\n }\n\n const canHaveLevels = PlaylistLoader.canHaveQualityLevels(context.type);\n if (canHaveLevels) {\n this.hls.trigger(Event.LEVEL_LOADED, {\n details: levelDetails,\n level: level || 0,\n id: id || 0,\n stats,\n networkDetails\n });\n } else {\n switch (type) {\n case PlaylistContextType.AUDIO_TRACK:\n this.hls.trigger(Event.AUDIO_TRACK_LOADED, {\n details: levelDetails,\n id,\n stats,\n networkDetails\n });\n break;\n case PlaylistContextType.SUBTITLE_TRACK:\n this.hls.trigger(Event.SUBTITLE_TRACK_LOADED, {\n details: levelDetails,\n id,\n stats,\n networkDetails\n });\n break;\n }\n }\n }\n}\n\nexport default PlaylistLoader;\n","/*\n * Fragment Loader\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\n\nclass FragmentLoader extends EventHandler {\n constructor (hls) {\n super(hls, Event.FRAG_LOADING);\n this.loaders = {};\n }\n\n destroy () {\n let loaders = this.loaders;\n for (let loaderName in loaders) {\n let loader = loaders[loaderName];\n if (loader) {\n loader.destroy();\n }\n }\n this.loaders = {};\n\n super.destroy();\n }\n\n onFragLoading (data) {\n const frag = data.frag,\n type = frag.type,\n loaders = this.loaders,\n config = this.hls.config,\n FragmentILoader = config.fLoader,\n DefaultILoader = config.loader;\n\n // reset fragment state\n frag.loaded = 0;\n\n let loader = loaders[type];\n if (loader) {\n logger.warn(`abort previous fragment loader for type: ${type}`);\n loader.abort();\n }\n\n loader = loaders[type] = frag.loader =\n config.fLoader ? new FragmentILoader(config) : new DefaultILoader(config);\n\n let loaderContext, loaderConfig, loaderCallbacks;\n\n loaderContext = { url: frag.url, frag: frag, responseType: 'arraybuffer', progressData: false };\n\n let start = frag.byteRangeStartOffset,\n end = frag.byteRangeEndOffset;\n\n if (Number.isFinite(start) && Number.isFinite(end)) {\n loaderContext.rangeStart = start;\n loaderContext.rangeEnd = end;\n }\n\n loaderConfig = {\n timeout: config.fragLoadingTimeOut,\n maxRetry: 0,\n retryDelay: 0,\n maxRetryDelay: config.fragLoadingMaxRetryTimeout\n };\n\n loaderCallbacks = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this),\n onProgress: this.loadprogress.bind(this)\n };\n\n loader.load(loaderContext, loaderConfig, loaderCallbacks);\n }\n\n loadsuccess (response, stats, context, networkDetails = null) {\n let payload = response.data, frag = context.frag;\n // detach fragment loader on load success\n frag.loader = undefined;\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.FRAG_LOADED, { payload: payload, frag: frag, stats: stats, networkDetails: networkDetails });\n }\n\n loaderror (response, context, networkDetails = null) {\n const frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.FRAG_LOAD_ERROR, fatal: false, frag: context.frag, response: response, networkDetails: networkDetails });\n }\n\n loadtimeout (stats, context, networkDetails = null) {\n const frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.FRAG_LOAD_TIMEOUT, fatal: false, frag: context.frag, networkDetails: networkDetails });\n }\n\n // data will be used for progressive parsing\n loadprogress (stats, context, data, networkDetails = null) { // jshint ignore:line\n let frag = context.frag;\n frag.loaded = stats.loaded;\n this.hls.trigger(Event.FRAG_LOAD_PROGRESS, { frag: frag, stats: stats, networkDetails: networkDetails });\n }\n}\n\nexport default FragmentLoader;\n","/*\n * Decrypt key Loader\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport Hls from '../hls';\nimport Fragment from './fragment';\nimport { LoaderStats, LoaderResponse, LoaderContext, LoaderConfiguration, LoaderCallbacks } from '../types/loader';\n\ninterface OnKeyLoadingPayload {\n frag: Fragment\n}\n\ninterface KeyLoaderContext extends LoaderContext {\n frag: Fragment\n}\n\nclass KeyLoader extends EventHandler {\n public loaders = {};\n public decryptkey: Uint8Array | null = null;\n public decrypturl: string | null = null;\n\n constructor (hls: Hls) {\n super(hls, Event.KEY_LOADING);\n }\n\n destroy (): void {\n for (const loaderName in this.loaders) {\n let loader = this.loaders[loaderName];\n if (loader) {\n loader.destroy();\n }\n }\n this.loaders = {};\n\n super.destroy();\n }\n\n onKeyLoading (data: OnKeyLoadingPayload) {\n const { frag } = data;\n const type = frag.type;\n const loader = this.loaders[type];\n if (!frag.decryptdata) {\n logger.warn('Missing decryption data on fragment in onKeyLoading');\n return;\n }\n\n // Load the key if the uri is different from previous one, or if the decrypt key has not yet been retrieved\n const uri = frag.decryptdata.uri;\n if (uri !== this.decrypturl || this.decryptkey === null) {\n let config = this.hls.config;\n if (loader) {\n logger.warn(`abort previous key loader for type:${type}`);\n loader.abort();\n }\n if (!uri) {\n logger.warn('key uri is falsy');\n return;\n }\n\n frag.loader = this.loaders[type] = new config.loader(config);\n this.decrypturl = uri;\n this.decryptkey = null;\n\n const loaderContext: KeyLoaderContext = {\n url: uri,\n frag: frag,\n responseType: 'arraybuffer'\n };\n\n // maxRetry is 0 so that instead of retrying the same key on the same variant multiple times,\n // key-loader will trigger an error and rely on stream-controller to handle retry logic.\n // this will also align retry logic with fragment-loader\n const loaderConfig: LoaderConfiguration = {\n timeout: config.fragLoadingTimeOut,\n maxRetry: 0,\n retryDelay: config.fragLoadingRetryDelay,\n maxRetryDelay: config.fragLoadingMaxRetryTimeout\n };\n\n const loaderCallbacks: LoaderCallbacks<KeyLoaderContext> = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this)\n };\n\n frag.loader.load(loaderContext, loaderConfig, loaderCallbacks);\n } else if (this.decryptkey) {\n // Return the key if it's already been loaded\n frag.decryptdata.key = this.decryptkey;\n this.hls.trigger(Event.KEY_LOADED, { frag: frag });\n }\n }\n\n loadsuccess (response: LoaderResponse, stats: LoaderStats, context: KeyLoaderContext) {\n let frag = context.frag;\n if (!frag.decryptdata) {\n logger.error('after key load, decryptdata unset');\n return;\n }\n this.decryptkey = frag.decryptdata.key = new Uint8Array(response.data as ArrayBuffer);\n\n // detach fragment loader on load success\n frag.loader = undefined;\n delete this.loaders[frag.type];\n this.hls.trigger(Event.KEY_LOADED, { frag: frag });\n }\n\n loaderror (response: LoaderResponse, context: KeyLoaderContext) {\n let frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n delete this.loaders[frag.type];\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.KEY_LOAD_ERROR, fatal: false, frag, response });\n }\n\n loadtimeout (stats: LoaderStats, context: KeyLoaderContext) {\n let frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n delete this.loaders[frag.type];\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.KEY_LOAD_TIMEOUT, fatal: false, frag });\n }\n}\n\nexport default KeyLoader;\n","import EventHandler from '../event-handler';\nimport Event from '../events';\n\nexport const FragmentState = {\n NOT_LOADED: 'NOT_LOADED',\n APPENDING: 'APPENDING',\n PARTIAL: 'PARTIAL',\n OK: 'OK'\n};\n\nexport class FragmentTracker extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.BUFFER_APPENDED,\n Event.FRAG_BUFFERED,\n Event.FRAG_LOADED\n );\n\n this.bufferPadding = 0.2;\n\n this.fragments = Object.create(null);\n this.timeRanges = Object.create(null);\n\n this.config = hls.config;\n }\n\n destroy () {\n this.fragments = Object.create(null);\n this.timeRanges = Object.create(null);\n this.config = null;\n EventHandler.prototype.destroy.call(this);\n super.destroy();\n }\n\n /**\n * Return a Fragment that match the position and levelType.\n * If not found any Fragment, return null\n * @param {number} position\n * @param {LevelType} levelType\n * @returns {Fragment|null}\n */\n getBufferedFrag (position, levelType) {\n const fragments = this.fragments;\n const bufferedFrags = Object.keys(fragments).filter(key => {\n const fragmentEntity = fragments[key];\n if (fragmentEntity.body.type !== levelType) {\n return false;\n }\n\n if (!fragmentEntity.buffered) {\n return false;\n }\n\n const frag = fragmentEntity.body;\n return frag.startPTS <= position && position <= frag.endPTS;\n });\n if (bufferedFrags.length === 0) {\n return null;\n } else {\n // https://github.com/video-dev/hls.js/pull/1545#discussion_r166229566\n const bufferedFragKey = bufferedFrags.pop();\n return fragments[bufferedFragKey].body;\n }\n }\n\n /**\n * Partial fragments effected by coded frame eviction will be removed\n * The browser will unload parts of the buffer to free up memory for new buffer data\n * Fragments will need to be reloaded when the buffer is freed up, removing partial fragments will allow them to reload(since there might be parts that are still playable)\n * @param {String} elementaryStream The elementaryStream of media this is (eg. video/audio)\n * @param {TimeRanges} timeRange TimeRange object from a sourceBuffer\n */\n detectEvictedFragments (elementaryStream, timeRange) {\n let fragmentTimes, time;\n // Check if any flagged fragments have been unloaded\n Object.keys(this.fragments).forEach(key => {\n const fragmentEntity = this.fragments[key];\n if (fragmentEntity.buffered === true) {\n const esData = fragmentEntity.range[elementaryStream];\n if (esData) {\n fragmentTimes = esData.time;\n for (let i = 0; i < fragmentTimes.length; i++) {\n time = fragmentTimes[i];\n\n if (this.isTimeBuffered(time.startPTS, time.endPTS, timeRange) === false) {\n // Unregister partial fragment as it needs to load again to be reused\n this.removeFragment(fragmentEntity.body);\n break;\n }\n }\n }\n }\n });\n }\n\n /**\n * Checks if the fragment passed in is loaded in the buffer properly\n * Partially loaded fragments will be registered as a partial fragment\n * @param {Object} fragment Check the fragment against all sourceBuffers loaded\n */\n detectPartialFragments (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n let fragmentEntity = this.fragments[fragKey];\n if (fragmentEntity) {\n fragmentEntity.buffered = true;\n\n Object.keys(this.timeRanges).forEach(elementaryStream => {\n if (fragment.hasElementaryStream(elementaryStream)) {\n let timeRange = this.timeRanges[elementaryStream];\n // Check for malformed fragments\n // Gaps need to be calculated for each elementaryStream\n fragmentEntity.range[elementaryStream] = this.getBufferedTimes(fragment.startPTS, fragment.endPTS, timeRange);\n }\n });\n }\n }\n\n getBufferedTimes (startPTS, endPTS, timeRange) {\n let fragmentTimes = [];\n let startTime, endTime;\n let fragmentPartial = false;\n for (let i = 0; i < timeRange.length; i++) {\n startTime = timeRange.start(i) - this.bufferPadding;\n endTime = timeRange.end(i) + this.bufferPadding;\n if (startPTS >= startTime && endPTS <= endTime) {\n // Fragment is entirely contained in buffer\n // No need to check the other timeRange times since it's completely playable\n fragmentTimes.push({\n startPTS: Math.max(startPTS, timeRange.start(i)),\n endPTS: Math.min(endPTS, timeRange.end(i))\n });\n break;\n } else if (startPTS < endTime && endPTS > startTime) {\n // Check for intersection with buffer\n // Get playable sections of the fragment\n fragmentTimes.push({\n startPTS: Math.max(startPTS, timeRange.start(i)),\n endPTS: Math.min(endPTS, timeRange.end(i))\n });\n fragmentPartial = true;\n } else if (endPTS <= startTime) {\n // No need to check the rest of the timeRange as it is in order\n break;\n }\n }\n\n return {\n time: fragmentTimes,\n partial: fragmentPartial\n };\n }\n\n getFragmentKey (fragment) {\n return `${fragment.type}_${fragment.level}_${fragment.urlId}_${fragment.sn}`;\n }\n\n /**\n * Gets the partial fragment for a certain time\n * @param {Number} time\n * @returns {Object} fragment Returns a partial fragment at a time or null if there is no partial fragment\n */\n getPartialFragment (time) {\n let timePadding, startTime, endTime;\n let bestFragment = null;\n let bestOverlap = 0;\n Object.keys(this.fragments).forEach(key => {\n const fragmentEntity = this.fragments[key];\n if (this.isPartial(fragmentEntity)) {\n startTime = fragmentEntity.body.startPTS - this.bufferPadding;\n endTime = fragmentEntity.body.endPTS + this.bufferPadding;\n if (time >= startTime && time <= endTime) {\n // Use the fragment that has the most padding from start and end time\n timePadding = Math.min(time - startTime, endTime - time);\n if (bestOverlap <= timePadding) {\n bestFragment = fragmentEntity.body;\n bestOverlap = timePadding;\n }\n }\n }\n });\n return bestFragment;\n }\n\n /**\n * @param {Object} fragment The fragment to check\n * @returns {String} Returns the fragment state when a fragment never loaded or if it partially loaded\n */\n getState (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n let fragmentEntity = this.fragments[fragKey];\n let state = FragmentState.NOT_LOADED;\n\n if (fragmentEntity !== undefined) {\n if (!fragmentEntity.buffered) {\n state = FragmentState.APPENDING;\n } else if (this.isPartial(fragmentEntity) === true) {\n state = FragmentState.PARTIAL;\n } else {\n state = FragmentState.OK;\n }\n }\n\n return state;\n }\n\n isPartial (fragmentEntity) {\n return fragmentEntity.buffered === true &&\n ((fragmentEntity.range.video !== undefined && fragmentEntity.range.video.partial === true) ||\n (fragmentEntity.range.audio !== undefined && fragmentEntity.range.audio.partial === true));\n }\n\n isTimeBuffered (startPTS, endPTS, timeRange) {\n let startTime, endTime;\n for (let i = 0; i < timeRange.length; i++) {\n startTime = timeRange.start(i) - this.bufferPadding;\n endTime = timeRange.end(i) + this.bufferPadding;\n if (startPTS >= startTime && endPTS <= endTime) {\n return true;\n }\n\n if (endPTS <= startTime) {\n // No need to check the rest of the timeRange as it is in order\n return false;\n }\n }\n\n return false;\n }\n\n /**\n * Fires when a fragment loading is completed\n */\n onFragLoaded (e) {\n const fragment = e.frag;\n // don't track initsegment (for which sn is not a number)\n // don't track frags used for bitrateTest, they're irrelevant.\n if (!Number.isFinite(fragment.sn) || fragment.bitrateTest) {\n return;\n }\n\n this.fragments[this.getFragmentKey(fragment)] = {\n body: fragment,\n range: Object.create(null),\n buffered: false\n };\n }\n\n /**\n * Fires when the buffer is updated\n */\n onBufferAppended (e) {\n // Store the latest timeRanges loaded in the buffer\n this.timeRanges = e.timeRanges;\n Object.keys(this.timeRanges).forEach(elementaryStream => {\n let timeRange = this.timeRanges[elementaryStream];\n this.detectEvictedFragments(elementaryStream, timeRange);\n });\n }\n\n /**\n * Fires after a fragment has been loaded into the source buffer\n */\n onFragBuffered (e) {\n this.detectPartialFragments(e.frag);\n }\n\n /**\n * Return true if fragment tracker has the fragment.\n * @param {Object} fragment\n * @returns {boolean}\n */\n hasFragment (fragment) {\n const fragKey = this.getFragmentKey(fragment);\n return this.fragments[fragKey] !== undefined;\n }\n\n /**\n * Remove a fragment from fragment tracker until it is loaded again\n * @param {Object} fragment The fragment to remove\n */\n removeFragment (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n delete this.fragments[fragKey];\n }\n\n /**\n * Remove all fragments from fragment tracker.\n */\n removeAllFragments () {\n this.fragments = Object.create(null);\n }\n}\n","type BinarySearchComparison < T > = (candidate: T) => -1 | 0 | 1;\n\nconst BinarySearch = {\n\n /**\n * Searches for an item in an array which matches a certain condition.\n * This requires the condition to only match one item in the array,\n * and for the array to be ordered.\n *\n * @param {Array<T>} list The array to search.\n * @param {BinarySearchComparison<T>} comparisonFn\n * Called and provided a candidate item as the first argument.\n * Should return:\n * > -1 if the item should be located at a lower index than the provided item.\n * > 1 if the item should be located at a higher index than the provided item.\n * > 0 if the item is the item you're looking for.\n *\n * @return {T | null} The object if it is found or null otherwise.\n */\n search: function<T> (list: T[], comparisonFn: BinarySearchComparison<T>): T | null {\n let minIndex: number = 0;\n let maxIndex: number = list.length - 1;\n let currentIndex: number | null = null;\n let currentElement: T | null = null;\n\n while (minIndex <= maxIndex) {\n currentIndex = (minIndex + maxIndex) / 2 | 0;\n currentElement = list[currentIndex];\n\n let comparisonResult = comparisonFn(currentElement);\n if (comparisonResult > 0) {\n minIndex = currentIndex + 1;\n } else if (comparisonResult < 0) {\n maxIndex = currentIndex - 1;\n } else {\n return currentElement;\n }\n }\n\n return null;\n }\n};\n\nexport default BinarySearch;\n","/**\n * @module BufferHelper\n *\n * Providing methods dealing with buffer length retrieval for example.\n *\n * In general, a helper around HTML5 MediaElement TimeRanges gathered from `buffered` property.\n *\n * Also @see https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/buffered\n*/\n\ntype BufferTimeRange = {\n start: number\n end: number\n};\n\ntype Bufferable = {\n buffered: TimeRanges\n};\n\nexport class BufferHelper {\n /**\n * Return true if `media`'s buffered include `position`\n * @param {Bufferable} media\n * @param {number} position\n * @returns {boolean}\n */\n static isBuffered (media: Bufferable, position: number): boolean {\n try {\n if (media) {\n let buffered = media.buffered;\n for (let i = 0; i < buffered.length; i++) {\n if (position >= buffered.start(i) && position <= buffered.end(i)) {\n return true;\n }\n }\n }\n } catch (error) {\n // this is to catch\n // InvalidStateError: Failed to read the 'buffered' property from 'SourceBuffer':\n // This SourceBuffer has been removed from the parent media source\n }\n return false;\n }\n\n static bufferInfo (\n media: Bufferable,\n pos: number,\n maxHoleDuration: number\n ): {\n len: number,\n start: number,\n end: number,\n nextStart?: number,\n } {\n try {\n if (media) {\n let vbuffered = media.buffered;\n let buffered: BufferTimeRange[] = [];\n let i: number;\n for (i = 0; i < vbuffered.length; i++) {\n buffered.push({ start: vbuffered.start(i), end: vbuffered.end(i) });\n }\n\n return this.bufferedInfo(buffered, pos, maxHoleDuration);\n }\n } catch (error) {\n // this is to catch\n // InvalidStateError: Failed to read the 'buffered' property from 'SourceBuffer':\n // This SourceBuffer has been removed from the parent media source\n }\n return { len: 0, start: pos, end: pos, nextStart: undefined };\n }\n\n static bufferedInfo (\n buffered: BufferTimeRange[],\n pos: number,\n maxHoleDuration: number\n ): {\n len: number,\n start: number,\n end: number,\n nextStart?: number,\n } {\n // sort on buffer.start/smaller end (IE does not always return sorted buffered range)\n buffered.sort(function (a, b) {\n let diff = a.start - b.start;\n if (diff) {\n return diff;\n } else {\n return b.end - a.end;\n }\n });\n\n let buffered2: BufferTimeRange[] = [];\n if (maxHoleDuration) {\n // there might be some small holes between buffer time range\n // consider that holes smaller than maxHoleDuration are irrelevant and build another\n // buffer time range representations that discards those holes\n for (let i = 0; i < buffered.length; i++) {\n let buf2len = buffered2.length;\n if (buf2len) {\n let buf2end = buffered2[buf2len - 1].end;\n // if small hole (value between 0 or maxHoleDuration ) or overlapping (negative)\n if ((buffered[i].start - buf2end) < maxHoleDuration) {\n // merge overlapping time ranges\n // update lastRange.end only if smaller than item.end\n // e.g. [ 1, 15] with [ 2,8] => [ 1,15] (no need to modify lastRange.end)\n // whereas [ 1, 8] with [ 2,15] => [ 1,15] ( lastRange should switch from [1,8] to [1,15])\n if (buffered[i].end > buf2end) {\n buffered2[buf2len - 1].end = buffered[i].end;\n }\n } else {\n // big hole\n buffered2.push(buffered[i]);\n }\n } else {\n // first value\n buffered2.push(buffered[i]);\n }\n }\n } else {\n buffered2 = buffered;\n }\n\n let bufferLen = 0;\n\n // bufferStartNext can possibly be undefined based on the conditional logic below\n let bufferStartNext: number | undefined;\n\n // bufferStart and bufferEnd are buffer boundaries around current video position\n let bufferStart: number = pos;\n let bufferEnd: number = pos;\n for (let i = 0; i < buffered2.length; i++) {\n let start = buffered2[i].start,\n end = buffered2[i].end;\n // logger.log('buf start/end:' + buffered.start(i) + '/' + buffered.end(i));\n if ((pos + maxHoleDuration) >= start && pos < end) {\n // play position is inside this buffer TimeRange, retrieve end of buffer position and buffer length\n bufferStart = start;\n bufferEnd = end;\n bufferLen = bufferEnd - pos;\n } else if ((pos + maxHoleDuration) < start) {\n bufferStartNext = start;\n break;\n }\n }\n return { len: bufferLen, start: bufferStart, end: bufferEnd, nextStart: bufferStartNext };\n }\n\n // Trying to find buffered position within `maxFragLookUpTolerance`. Returns same position if\n // current time is already inside of buffered range or there is no buffered fragment\n // within `maxFragLookUpTolerance`.\n static getBufferedPosWithinTolerance(media, pos, maxFragLookUpTolerance) {\n const currentTime = media ? media.currentTime : undefined;\n\n // No need to seek if current playback position is already inside buffered range\n if (BufferHelper.isBuffered(media, currentTime)) {\n return pos;\n }\n\n const buffered = media.buffered;\n for (let i = 0; i < buffered.length; i++) {\n const start = buffered.start(i);\n\n // Returns the start position of buffered range if `currentTime` is within `maxFragLookUpTolerance` range\n if (start > currentTime && start < currentTime + maxFragLookUpTolerance) {\n return Math.ceil(start * 10) / 10;\n }\n }\n\n return pos;\n }\n}\n","/**\n * MediaSource helper\n */\n\nexport function getMediaSource (): typeof MediaSource | undefined {\n return (window as any).MediaSource || (window as any).WebKitMediaSource;\n}\n","import { EventEmitter } from 'eventemitter3';\n\n/**\n * Simple adapter sub-class of Nodejs-like EventEmitter.\n */\nexport class Observer extends EventEmitter {\n /**\n * We simply want to pass along the event-name itself\n * in every call to a handler, which is the purpose of our `trigger` method\n * extending the standard API.\n */\n trigger (event: string, ...data: Array<any>): void {\n this.emit(event, event, ...data);\n }\n}\n","import { EventEmitter } from 'eventemitter3';\nimport * as work from 'webworkify-webpack';\n\nimport Event from '../events';\nimport DemuxerInline from '../demux/demuxer-inline';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { getMediaSource } from '../utils/mediasource-helper';\nimport { getSelfScope } from '../utils/get-self-scope';\n\nimport { Observer } from '../observer';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\nconst MediaSource = getMediaSource() || { isTypeSupported: () => false };\n\nclass Demuxer {\n constructor (hls, id) {\n this.hls = hls;\n this.id = id;\n\n const observer = this.observer = new Observer();\n const config = hls.config;\n\n const forwardMessage = (ev, data) => {\n data = data || {};\n data.frag = this.frag;\n data.id = this.id;\n hls.trigger(ev, data);\n };\n\n // forward events to main thread\n observer.on(Event.FRAG_DECRYPTED, forwardMessage);\n observer.on(Event.FRAG_PARSING_INIT_SEGMENT, forwardMessage);\n observer.on(Event.FRAG_PARSING_DATA, forwardMessage);\n observer.on(Event.FRAG_PARSED, forwardMessage);\n observer.on(Event.ERROR, forwardMessage);\n observer.on(Event.FRAG_PARSING_METADATA, forwardMessage);\n observer.on(Event.FRAG_PARSING_USERDATA, forwardMessage);\n observer.on(Event.INIT_PTS_FOUND, forwardMessage);\n\n const typeSupported = {\n mp4: MediaSource.isTypeSupported('video/mp4'),\n mpeg: MediaSource.isTypeSupported('audio/mpeg'),\n mp3: MediaSource.isTypeSupported('audio/mp4; codecs=\"mp3\"')\n };\n // navigator.vendor is not always available in Web Worker\n // refer to https://developer.mozilla.org/en-US/docs/Web/API/WorkerGlobalScope/navigator\n const vendor = navigator.vendor;\n if (config.enableWorker && (typeof (Worker) !== 'undefined')) {\n logger.log('demuxing in webworker');\n let w;\n try {\n w = this.w = work(require.resolve('../demux/demuxer-worker.js'));\n this.onwmsg = this.onWorkerMessage.bind(this);\n w.addEventListener('message', this.onwmsg);\n w.onerror = function (event) {\n hls.trigger(Event.ERROR, { type: ErrorTypes.OTHER_ERROR, details: ErrorDetails.INTERNAL_EXCEPTION, fatal: true, event: 'demuxerWorker', err: { message: event.message + ' (' + event.filename + ':' + event.lineno + ')' } });\n };\n w.postMessage({ cmd: 'init', typeSupported: typeSupported, vendor: vendor, id: id, config: JSON.stringify(config) });\n } catch (err) {\n logger.warn('Error in worker:', err);\n logger.error('Error while initializing DemuxerWorker, fallback on DemuxerInline');\n if (w) {\n // revoke the Object URL that was used to create demuxer worker, so as not to leak it\n global.URL.revokeObjectURL(w.objectURL);\n }\n this.demuxer = new DemuxerInline(observer, typeSupported, config, vendor);\n this.w = undefined;\n }\n } else {\n this.demuxer = new DemuxerInline(observer, typeSupported, config, vendor);\n }\n }\n\n destroy () {\n let w = this.w;\n if (w) {\n w.removeEventListener('message', this.onwmsg);\n w.terminate();\n this.w = null;\n } else {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.destroy();\n this.demuxer = null;\n }\n }\n const observer = this.observer;\n if (observer) {\n observer.removeAllListeners();\n this.observer = null;\n }\n }\n\n push (data, initSegment, audioCodec, videoCodec, frag, duration, accurateTimeOffset, defaultInitPTS) {\n const w = this.w;\n const timeOffset = Number.isFinite(frag.startPTS) ? frag.startPTS : frag.start;\n const decryptdata = frag.decryptdata;\n const lastFrag = this.frag;\n const discontinuity = !(lastFrag && (frag.cc === lastFrag.cc));\n const trackSwitch = !(lastFrag && (frag.level === lastFrag.level));\n const nextSN = lastFrag && (frag.sn === (lastFrag.sn + 1));\n const contiguous = !trackSwitch && nextSN;\n if (discontinuity) {\n logger.log(`${this.id}:discontinuity detected`);\n }\n\n if (trackSwitch) {\n logger.log(`${this.id}:switch detected`);\n }\n\n this.frag = frag;\n if (w) {\n // post fragment payload as transferable objects for ArrayBuffer (no copy)\n w.postMessage({ cmd: 'demux', data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS }, data instanceof ArrayBuffer ? [data] : []);\n } else {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.push(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n }\n }\n }\n\n onWorkerMessage (ev) {\n let data = ev.data,\n hls = this.hls;\n switch (data.event) {\n case 'init':\n // revoke the Object URL that was used to create demuxer worker, so as not to leak it\n global.URL.revokeObjectURL(this.w.objectURL);\n break;\n // special case for FRAG_PARSING_DATA: data1 and data2 are transferable objects\n case Event.FRAG_PARSING_DATA:\n data.data.data1 = new Uint8Array(data.data1);\n if (data.data2) {\n data.data.data2 = new Uint8Array(data.data2);\n }\n\n /* falls through */\n default:\n data.data = data.data || {};\n data.data.frag = this.frag;\n data.data.id = this.id;\n hls.trigger(data.event, data.data);\n break;\n }\n }\n}\n\nexport default Demuxer;\n","/**\n * @module LevelHelper\n *\n * Providing methods dealing with playlist sliding and drift\n *\n * TODO: Create an actual `Level` class/model that deals with all this logic in an object-oriented-manner.\n *\n * */\n\nimport { logger } from '../utils/logger';\n\nexport function addGroupId (level, type, id) {\n switch (type) {\n case 'audio':\n if (!level.audioGroupIds) {\n level.audioGroupIds = [];\n }\n level.audioGroupIds.push(id);\n break;\n case 'text':\n if (!level.textGroupIds) {\n level.textGroupIds = [];\n }\n level.textGroupIds.push(id);\n break;\n }\n}\n\nexport function updatePTS (fragments, fromIdx, toIdx) {\n let fragFrom = fragments[fromIdx], fragTo = fragments[toIdx], fragToPTS = fragTo.startPTS;\n // if we know startPTS[toIdx]\n if (Number.isFinite(fragToPTS)) {\n // update fragment duration.\n // it helps to fix drifts between playlist reported duration and fragment real duration\n if (toIdx > fromIdx) {\n fragFrom.duration = fragToPTS - fragFrom.start;\n if (fragFrom.duration < 0) {\n logger.warn(`negative duration computed for frag ${fragFrom.sn},level ${fragFrom.level}, there should be some duration drift between playlist and fragment!`);\n }\n } else {\n fragTo.duration = fragFrom.start - fragToPTS;\n if (fragTo.duration < 0) {\n logger.warn(`negative duration computed for frag ${fragTo.sn},level ${fragTo.level}, there should be some duration drift between playlist and fragment!`);\n }\n }\n } else {\n // we dont know startPTS[toIdx]\n if (toIdx > fromIdx) {\n fragTo.start = fragFrom.start + fragFrom.duration;\n } else {\n fragTo.start = Math.max(fragFrom.start - fragTo.duration, 0);\n }\n }\n}\n\nexport function updateFragPTSDTS (details, frag, startPTS, endPTS, startDTS, endDTS) {\n // update frag PTS/DTS\n let maxStartPTS = startPTS;\n if (Number.isFinite(frag.startPTS)) {\n // delta PTS between audio and video\n let deltaPTS = Math.abs(frag.startPTS - startPTS);\n if (!Number.isFinite(frag.deltaPTS)) {\n frag.deltaPTS = deltaPTS;\n } else {\n frag.deltaPTS = Math.max(deltaPTS, frag.deltaPTS);\n }\n\n maxStartPTS = Math.max(startPTS, frag.startPTS);\n startPTS = Math.min(startPTS, frag.startPTS);\n endPTS = Math.max(endPTS, frag.endPTS);\n startDTS = Math.min(startDTS, frag.startDTS);\n endDTS = Math.max(endDTS, frag.endDTS);\n }\n\n const drift = startPTS - frag.start;\n frag.start = frag.startPTS = startPTS;\n frag.maxStartPTS = maxStartPTS;\n frag.endPTS = endPTS;\n frag.startDTS = startDTS;\n frag.endDTS = endDTS;\n frag.duration = endPTS - startPTS;\n\n const sn = frag.sn;\n // exit if sn out of range\n if (!details || sn < details.startSN || sn > details.endSN) {\n return 0;\n }\n\n let fragIdx, fragments, i;\n fragIdx = sn - details.startSN;\n fragments = details.fragments;\n // update frag reference in fragments array\n // rationale is that fragments array might not contain this frag object.\n // this will happen if playlist has been refreshed between frag loading and call to updateFragPTSDTS()\n // if we don't update frag, we won't be able to propagate PTS info on the playlist\n // resulting in invalid sliding computation\n fragments[fragIdx] = frag;\n // adjust fragment PTS/duration from seqnum-1 to frag 0\n for (i = fragIdx; i > 0; i--) {\n updatePTS(fragments, i, i - 1);\n }\n\n // adjust fragment PTS/duration from seqnum to last frag\n for (i = fragIdx; i < fragments.length - 1; i++) {\n updatePTS(fragments, i, i + 1);\n }\n\n details.PTSKnown = true;\n return drift;\n}\n\nexport function mergeDetails (oldDetails, newDetails) {\n // potentially retrieve cached initsegment\n if (newDetails.initSegment && oldDetails.initSegment) {\n newDetails.initSegment = oldDetails.initSegment;\n }\n\n // check if old/new playlists have fragments in common\n // loop through overlapping SN and update startPTS , cc, and duration if any found\n let ccOffset = 0;\n let PTSFrag;\n mapFragmentIntersection(oldDetails, newDetails, (oldFrag, newFrag) => {\n ccOffset = oldFrag.cc - newFrag.cc;\n if (Number.isFinite(oldFrag.startPTS)) {\n newFrag.start = newFrag.startPTS = oldFrag.startPTS;\n newFrag.endPTS = oldFrag.endPTS;\n newFrag.duration = oldFrag.duration;\n newFrag.backtracked = oldFrag.backtracked;\n newFrag.dropped = oldFrag.dropped;\n PTSFrag = newFrag;\n }\n // PTS is known when there are overlapping segments\n newDetails.PTSKnown = true;\n });\n\n if (!newDetails.PTSKnown) {\n return;\n }\n\n if (ccOffset) {\n logger.log('discontinuity sliding from playlist, take drift into account');\n const newFragments = newDetails.fragments;\n for (let i = 0; i < newFragments.length; i++) {\n newFragments[i].cc += ccOffset;\n }\n }\n\n // if at least one fragment contains PTS info, recompute PTS information for all fragments\n if (PTSFrag) {\n updateFragPTSDTS(newDetails, PTSFrag, PTSFrag.startPTS, PTSFrag.endPTS, PTSFrag.startDTS, PTSFrag.endDTS);\n } else {\n // ensure that delta is within oldFragments range\n // also adjust sliding in case delta is 0 (we could have old=[50-60] and new=old=[50-61])\n // in that case we also need to adjust start offset of all fragments\n adjustSliding(oldDetails, newDetails);\n }\n // if we are here, it means we have fragments overlapping between\n // old and new level. reliable PTS info is thus relying on old level\n newDetails.PTSKnown = oldDetails.PTSKnown;\n}\n\nexport function mergeSubtitlePlaylists (oldPlaylist, newPlaylist, referenceStart = 0) {\n let lastIndex = -1;\n mapFragmentIntersection(oldPlaylist, newPlaylist, (oldFrag, newFrag, index) => {\n newFrag.start = oldFrag.start;\n lastIndex = index;\n });\n\n const frags = newPlaylist.fragments;\n if (lastIndex < 0) {\n frags.forEach(frag => {\n frag.start += referenceStart;\n });\n return;\n }\n\n for (let i = lastIndex + 1; i < frags.length; i++) {\n frags[i].start = (frags[i - 1].start + frags[i - 1].duration);\n }\n}\n\nexport function mapFragmentIntersection (oldPlaylist, newPlaylist, intersectionFn) {\n if (!oldPlaylist || !newPlaylist) {\n return;\n }\n\n const start = Math.max(oldPlaylist.startSN, newPlaylist.startSN) - newPlaylist.startSN;\n const end = Math.min(oldPlaylist.endSN, newPlaylist.endSN) - newPlaylist.startSN;\n const delta = newPlaylist.startSN - oldPlaylist.startSN;\n\n for (let i = start; i <= end; i++) {\n const oldFrag = oldPlaylist.fragments[delta + i];\n const newFrag = newPlaylist.fragments[i];\n if (!oldFrag || !newFrag) {\n break;\n }\n intersectionFn(oldFrag, newFrag, i);\n }\n}\n\nexport function adjustSliding (oldPlaylist, newPlaylist) {\n const delta = newPlaylist.startSN - oldPlaylist.startSN;\n const oldFragments = oldPlaylist.fragments;\n const newFragments = newPlaylist.fragments;\n\n if (delta < 0 || delta > oldFragments.length) {\n return;\n }\n for (let i = 0; i < newFragments.length; i++) {\n newFragments[i].start += oldFragments[delta].start;\n }\n}\n\nexport function computeReloadInterval (currentPlaylist, newPlaylist, lastRequestTime) {\n let reloadInterval = 1000 * (newPlaylist.averagetargetduration ? newPlaylist.averagetargetduration : newPlaylist.targetduration);\n const minReloadInterval = reloadInterval / 2;\n if (currentPlaylist && newPlaylist.endSN === currentPlaylist.endSN) {\n // follow HLS Spec, If the client reloads a Playlist file and finds that it has not\n // changed then it MUST wait for a period of one-half the target\n // duration before retrying.\n reloadInterval = minReloadInterval;\n }\n\n if (lastRequestTime) {\n reloadInterval = Math.max(minReloadInterval, reloadInterval - (window.performance.now() - lastRequestTime));\n }\n // in any case, don't reload more than half of target duration\n return Math.round(reloadInterval);\n}\n","/**\n * TimeRanges to string helper\n */\n\nconst TimeRanges = {\n toString: function (r: TimeRanges) {\n let log = '';\n let len = r.length;\n for (let i = 0; i < len; i++) {\n log += '[' + r.start(i).toFixed(3) + ',' + r.end(i).toFixed(3) + ']';\n }\n\n return log;\n }\n};\n\nexport default TimeRanges;\n","import BinarySearch from './binary-search';\nimport { logger } from '../utils/logger';\n\nexport function findFirstFragWithCC (fragments, cc) {\n let firstFrag = null;\n\n for (let i = 0; i < fragments.length; i += 1) {\n const currentFrag = fragments[i];\n if (currentFrag && currentFrag.cc === cc) {\n firstFrag = currentFrag;\n break;\n }\n }\n\n return firstFrag;\n}\n\nexport function findFragWithCC (fragments, CC) {\n return BinarySearch.search(fragments, (candidate) => {\n if (candidate.cc < CC) {\n return 1;\n } else if (candidate.cc > CC) {\n return -1;\n } else {\n return 0;\n }\n });\n}\n\nexport function shouldAlignOnDiscontinuities (lastFrag, lastLevel, details) {\n let shouldAlign = false;\n if (lastLevel && lastLevel.details && details) {\n if (details.endCC > details.startCC || (lastFrag && lastFrag.cc < details.startCC)) {\n shouldAlign = true;\n }\n }\n return shouldAlign;\n}\n\n// Find the first frag in the previous level which matches the CC of the first frag of the new level\nexport function findDiscontinuousReferenceFrag (prevDetails, curDetails) {\n const prevFrags = prevDetails.fragments;\n const curFrags = curDetails.fragments;\n\n if (!curFrags.length || !prevFrags.length) {\n logger.log('No fragments to align');\n return;\n }\n\n const prevStartFrag = findFirstFragWithCC(prevFrags, curFrags[0].cc);\n\n if (!prevStartFrag || (prevStartFrag && !prevStartFrag.startPTS)) {\n logger.log('No frag in previous level to align on');\n return;\n }\n\n return prevStartFrag;\n}\n\nexport function adjustPts (sliding, details) {\n details.fragments.forEach((frag) => {\n if (frag) {\n let start = frag.start + sliding;\n frag.start = frag.startPTS = start;\n frag.endPTS = start + frag.duration;\n }\n });\n details.PTSKnown = true;\n}\n\n/**\n * Using the parameters of the last level, this function computes PTS' of the new fragments so that they form a\n * contiguous stream with the last fragments.\n * The PTS of a fragment lets Hls.js know where it fits into a stream - by knowing every PTS, we know which fragment to\n * download at any given time. PTS is normally computed when the fragment is demuxed, so taking this step saves us time\n * and an extra download.\n * @param lastFrag\n * @param lastLevel\n * @param details\n */\nexport function alignStream (lastFrag, lastLevel, details) {\n alignDiscontinuities(lastFrag, details, lastLevel);\n if (!details.PTSKnown && lastLevel) {\n // If the PTS wasn't figured out via discontinuity sequence that means there was no CC increase within the level.\n // Aligning via Program Date Time should therefore be reliable, since PDT should be the same within the same\n // discontinuity sequence.\n alignPDT(details, lastLevel.details);\n }\n}\n\n/**\n * Computes the PTS if a new level's fragments using the PTS of a fragment in the last level which shares the same\n * discontinuity sequence.\n * @param lastLevel - The details of the last loaded level\n * @param details - The details of the new level\n */\nexport function alignDiscontinuities (lastFrag, details, lastLevel) {\n if (shouldAlignOnDiscontinuities(lastFrag, lastLevel, details)) {\n const referenceFrag = findDiscontinuousReferenceFrag(lastLevel.details, details);\n if (referenceFrag) {\n logger.log('Adjusting PTS using last level due to CC increase within current level');\n adjustPts(referenceFrag.start, details);\n }\n }\n}\n\n/**\n * Computes the PTS of a new level's fragments using the difference in Program Date Time from the last level.\n * @param details - The details of the new level\n * @param lastDetails - The details of the last loaded level\n */\nexport function alignPDT (details, lastDetails) {\n if (lastDetails && lastDetails.fragments.length) {\n if (!details.hasProgramDateTime || !lastDetails.hasProgramDateTime) {\n return;\n }\n // if last level sliding is 1000 and its first frag PROGRAM-DATE-TIME is 2017-08-20 1:10:00 AM\n // and if new details first frag PROGRAM DATE-TIME is 2017-08-20 1:10:08 AM\n // then we can deduce that playlist B sliding is 1000+8 = 1008s\n let lastPDT = lastDetails.fragments[0].programDateTime;\n let newPDT = details.fragments[0].programDateTime;\n // date diff is in ms. frag.start is in seconds\n let sliding = (newPDT - lastPDT) / 1000 + lastDetails.fragments[0].start;\n if (Number.isFinite(sliding)) {\n logger.log(`adjusting PTS using programDateTime delta, sliding:${sliding.toFixed(3)}`);\n adjustPts(sliding, details);\n }\n }\n}\n","import BinarySearch from '../utils/binary-search';\nimport Fragment from '../loader/fragment';\n\n/**\n * Returns first fragment whose endPdt value exceeds the given PDT.\n * @param {Array<Fragment>} fragments - The array of candidate fragments\n * @param {number|null} [PDTValue = null] - The PDT value which must be exceeded\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start/end can be within in order to be considered contiguous\n * @returns {*|null} fragment - The best matching fragment\n */\nexport function findFragmentByPDT (fragments: Array<Fragment>, PDTValue: number | null, maxFragLookUpTolerance: number): Fragment | null {\n if (PDTValue === null || !Array.isArray(fragments) || !fragments.length || !Number.isFinite(PDTValue)) {\n return null;\n }\n\n // if less than start\n const startPDT = fragments[0].programDateTime;\n if (PDTValue < (startPDT || 0)) {\n return null;\n }\n\n const endPDT = fragments[fragments.length - 1].endProgramDateTime;\n if (PDTValue >= (endPDT || 0)) {\n return null;\n }\n\n maxFragLookUpTolerance = maxFragLookUpTolerance || 0;\n for (let seg = 0; seg < fragments.length; ++seg) {\n let frag = fragments[seg];\n if (pdtWithinToleranceTest(PDTValue, maxFragLookUpTolerance, frag)) {\n return frag;\n }\n }\n\n return null;\n}\n\n/**\n * Finds a fragment based on the SN of the previous fragment; or based on the needs of the current buffer.\n * This method compensates for small buffer gaps by applying a tolerance to the start of any candidate fragment, thus\n * breaking any traps which would cause the same fragment to be continuously selected within a small range.\n * @param {*} fragPrevious - The last frag successfully appended\n * @param {Array<Fragment>} fragments - The array of candidate fragments\n * @param {number} [bufferEnd = 0] - The end of the contiguous buffered range the playhead is currently within\n * @param {number} maxFragLookUpTolerance - The amount of time that a fragment's start/end can be within in order to be considered contiguous\n * @returns {*} foundFrag - The best matching fragment\n */\nexport function findFragmentByPTS (fragPrevious: Fragment, fragments: Array<Fragment>, bufferEnd: number = 0, maxFragLookUpTolerance: number = 0): Fragment | null {\n const fragNext = fragPrevious ? fragments[fragPrevious.sn as number - (fragments[0].sn as number) + 1] : null;\n // Prefer the next fragment if it's within tolerance\n if (fragNext && !fragmentWithinToleranceTest(bufferEnd, maxFragLookUpTolerance, fragNext)) {\n return fragNext;\n }\n return BinarySearch.search(fragments, fragmentWithinToleranceTest.bind(null, bufferEnd, maxFragLookUpTolerance));\n}\n\n/**\n * The test function used by the findFragmentBySn's BinarySearch to look for the best match to the current buffer conditions.\n * @param {*} candidate - The fragment to test\n * @param {number} [bufferEnd = 0] - The end of the current buffered range the playhead is currently within\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start can be within in order to be considered contiguous\n * @returns {number} - 0 if it matches, 1 if too low, -1 if too high\n */\nexport function fragmentWithinToleranceTest (bufferEnd = 0, maxFragLookUpTolerance = 0, candidate: Fragment) {\n // offset should be within fragment boundary - config.maxFragLookUpTolerance\n // this is to cope with situations like\n // bufferEnd = 9.991\n // frag[Ø] : [0,10]\n // frag[1] : [10,20]\n // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here\n // frag start frag start+duration\n // |-----------------------------|\n // <---> <--->\n // ...--------><-----------------------------><---------....\n // previous frag matching fragment next frag\n // return -1 return 0 return 1\n // logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`);\n // Set the lookup tolerance to be small enough to detect the current segment - ensures we don't skip over very small segments\n let candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration + (candidate.deltaPTS ? candidate.deltaPTS : 0));\n if (candidate.start + candidate.duration - candidateLookupTolerance <= bufferEnd) {\n return 1;\n } else if (candidate.start - candidateLookupTolerance > bufferEnd && candidate.start) {\n // if maxFragLookUpTolerance will have negative value then don't return -1 for first element\n return -1;\n }\n\n return 0;\n}\n\n/**\n * The test function used by the findFragmentByPdt's BinarySearch to look for the best match to the current buffer conditions.\n * This function tests the candidate's program date time values, as represented in Unix time\n * @param {*} candidate - The fragment to test\n * @param {number} [pdtBufferEnd = 0] - The Unix time representing the end of the current buffered range\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start can be within in order to be considered contiguous\n * @returns {boolean} True if contiguous, false otherwise\n */\nexport function pdtWithinToleranceTest (pdtBufferEnd: number, maxFragLookUpTolerance: number, candidate: Fragment): boolean {\n let candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration + (candidate.deltaPTS ? candidate.deltaPTS : 0)) * 1000;\n\n // endProgramDateTime can be null, default to zero\n const endProgramDateTime = candidate.endProgramDateTime || 0;\n return endProgramDateTime - candidateLookupTolerance > pdtBufferEnd;\n}\n","import { BufferHelper } from '../utils/buffer-helper';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport Event from '../events';\nimport { logger } from '../utils/logger';\n\nexport const STALL_MINIMUM_DURATION_MS = 250;\nexport const MAX_START_GAP_JUMP = 2.0;\nexport const SKIP_BUFFER_HOLE_STEP_SECONDS = 0.1;\nexport const SKIP_BUFFER_RANGE_START = 0.05;\n\nexport default class GapController {\n constructor (config, media, fragmentTracker, hls) {\n this.config = config;\n this.media = media;\n this.fragmentTracker = fragmentTracker;\n this.hls = hls;\n this.nudgeRetry = 0;\n this.stallReported = false;\n this.stalled = null;\n this.moved = false;\n this.seeking = false;\n }\n\n /**\n * Checks if the playhead is stuck within a gap, and if so, attempts to free it.\n * A gap is an unbuffered range between two buffered ranges (or the start and the first buffered range).\n *\n * @param {number} lastCurrentTime Previously read playhead position\n */\n poll (lastCurrentTime) {\n const { config, media, stalled } = this;\n const { currentTime, seeking } = media;\n const seeked = this.seeking && !seeking;\n const beginSeek = !this.seeking && seeking;\n\n this.seeking = seeking;\n\n // The playhead is moving, no-op\n if (currentTime !== lastCurrentTime) {\n this.moved = true;\n if (stalled !== null) {\n // The playhead is now moving, but was previously stalled\n if (this.stallReported) {\n const stalledDuration = self.performance.now() - stalled;\n logger.warn(`playback not stuck anymore @${currentTime}, after ${Math.round(stalledDuration)}ms`);\n this.stallReported = false;\n }\n this.stalled = null;\n this.nudgeRetry = 0;\n }\n return;\n }\n\n // Clear stalled state when beginning or finishing seeking so that we don't report stalls coming out of a seek\n if (beginSeek || seeked) {\n this.stalled = null;\n }\n\n const { seekWithinTolerance } = this.config;\n if (seekWithinTolerance && (seeking || seeked)) {\n this.seekWithinToleranceIfNeeded();\n }\n\n // The playhead should not be moving\n if (media.paused || media.ended || media.playbackRate === 0 || !media.buffered.length) {\n return;\n }\n\n const bufferInfo = BufferHelper.bufferInfo(media, currentTime, 0);\n const isBuffered = bufferInfo.len > 0;\n const nextStart = bufferInfo.nextStart || 0;\n\n // There is no playable buffer (waiting for buffer append)\n if (!isBuffered && !nextStart) {\n return;\n }\n\n if (seeking) {\n // Waiting for seeking in a buffered range to complete\n const hasEnoughBuffer = bufferInfo.len > MAX_START_GAP_JUMP;\n // Next buffered range is too far ahead to jump to while still seeking\n const noBufferGap = !nextStart || nextStart - currentTime > MAX_START_GAP_JUMP;\n if (hasEnoughBuffer || noBufferGap) {\n return;\n }\n // Reset moved state when seeking to a point in or before a gap\n this.moved = false;\n }\n\n // Skip start gaps if we haven't played, but the last poll detected the start of a stall\n // The addition poll gives the browser a chance to jump the gap for us\n if (!this.moved && this.stalled) {\n // Jump start gaps within jump threshold\n const startJump = Math.max(nextStart, bufferInfo.start || 0) - currentTime;\n if (startJump > 0 && startJump <= MAX_START_GAP_JUMP) {\n this._trySkipBufferHole(null);\n return;\n }\n }\n\n // Start tracking stall time\n const tnow = self.performance.now();\n if (stalled === null) {\n this.stalled = tnow;\n return;\n }\n\n const stalledDuration = tnow - stalled;\n if (!seeking && stalledDuration >= STALL_MINIMUM_DURATION_MS) {\n // Report stalling after trying to fix\n this._reportStall(bufferInfo.len);\n }\n\n const bufferedWithHoles = BufferHelper.bufferInfo(media, currentTime, config.maxBufferHole);\n this._tryFixBufferStall(bufferedWithHoles, stalledDuration);\n }\n\n // If current position is outside of buffered range and there is a buffered fragment within `maxFragLookUpTolerance`\n // will seek to this buffered fragment. It helps to prevent playback stalls\n seekWithinToleranceIfNeeded() {\n const media = this.media;\n const currentTime = media ? media.currentTime : undefined;\n const { maxFragLookUpTolerance } = this.config;\n\n // Trying to find buffered position within `maxFragLookUpTolerance`. Returns same position if\n // current time is already inside of buffered range or there is no buffered fragment\n // within `maxFragLookUpTolerance`.\n const bufferedPosWithinTolerance =\n BufferHelper.getBufferedPosWithinTolerance(media, currentTime, maxFragLookUpTolerance);\n\n if (currentTime !== bufferedPosWithinTolerance) {\n logger.log(`seeking to position within maxFragLookUpTolerance - ${bufferedPosWithinTolerance}`);\n media.currentTime = bufferedPosWithinTolerance;\n return true;\n }\n\n return false;\n }\n\n /**\n * Detects and attempts to fix known buffer stalling issues.\n * @param bufferInfo - The properties of the current buffer.\n * @param stalledDurationMs - The amount of time Hls.js has been stalling for.\n * @private\n */\n _tryFixBufferStall (bufferInfo, stalledDurationMs) {\n const { config, fragmentTracker, media } = this;\n const currentTime = media.currentTime;\n\n const partial = fragmentTracker.getPartialFragment(currentTime);\n if (partial) {\n // Try to skip over the buffer hole caused by a partial fragment\n // This method isn't limited by the size of the gap between buffered ranges\n const targetTime = this._trySkipBufferHole(partial);\n // we return here in this case, meaning\n // the branch below only executes when we don't handle a partial fragment\n if (targetTime) {\n return;\n }\n }\n\n // if we haven't had to skip over a buffer hole of a partial fragment\n // we may just have to \"nudge\" the playlist as the browser decoding/rendering engine\n // needs to cross some sort of threshold covering all source-buffers content\n // to start playing properly.\n if (bufferInfo.len > config.maxBufferHole &&\n stalledDurationMs > config.highBufferWatchdogPeriod * 1000) {\n logger.warn('Trying to nudge playhead over buffer-hole');\n // Try to nudge currentTime over a buffer hole if we've been stalling for the configured amount of seconds\n // We only try to jump the hole if it's under the configured size\n // Reset stalled so to rearm watchdog timer\n this.stalled = null;\n this._tryNudgeBuffer();\n }\n }\n\n /**\n * Triggers a BUFFER_STALLED_ERROR event, but only once per stall period.\n * @param bufferLen - The playhead distance from the end of the current buffer segment.\n * @private\n */\n _reportStall (bufferLen) {\n const { hls, media, stallReported } = this;\n if (!stallReported) {\n // Report stalled error once\n this.stallReported = true;\n logger.warn(`Playback stalling at @${media.currentTime} due to low buffer`);\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_STALLED_ERROR,\n fatal: false,\n buffer: bufferLen\n });\n }\n }\n\n /**\n * Attempts to fix buffer stalls by jumping over known gaps caused by partial fragments\n * @param partial - The partial fragment found at the current time (where playback is stalling).\n * @private\n */\n _trySkipBufferHole (partial) {\n const { config, hls, media } = this;\n const currentTime = media.currentTime;\n let lastEndTime = 0;\n // Check if currentTime is between unbuffered regions of partial fragments\n for (let i = 0; i < media.buffered.length; i++) {\n const startTime = media.buffered.start(i);\n if (currentTime + config.maxBufferHole >= lastEndTime && currentTime < startTime) {\n const targetTime = Math.max(startTime + SKIP_BUFFER_RANGE_START, media.currentTime + SKIP_BUFFER_HOLE_STEP_SECONDS);\n logger.warn(`skipping hole, adjusting currentTime from ${currentTime} to ${targetTime}`);\n this.moved = true;\n this.stalled = null;\n media.currentTime = targetTime;\n if (partial) {\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_SEEK_OVER_HOLE,\n fatal: false,\n reason: `fragment loaded with buffer holes, seeking from ${currentTime} to ${targetTime}`,\n frag: partial\n });\n }\n return targetTime;\n }\n lastEndTime = media.buffered.end(i);\n }\n return 0;\n }\n\n /**\n * Attempts to fix buffer stalls by advancing the mediaElement's current time by a small amount.\n * @private\n */\n _tryNudgeBuffer () {\n const { config, hls, media } = this;\n const currentTime = media.currentTime;\n const nudgeRetry = (this.nudgeRetry || 0) + 1;\n this.nudgeRetry = nudgeRetry;\n\n if (nudgeRetry < config.nudgeMaxRetry) {\n const targetTime = currentTime + nudgeRetry * config.nudgeOffset;\n // playback stalled in buffered area ... let's nudge currentTime to try to overcome this\n logger.warn(`Nudging 'currentTime' from ${currentTime} to ${targetTime}`);\n media.currentTime = targetTime;\n\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_NUDGE_ON_STALL,\n fatal: false\n });\n } else {\n logger.error(`Playhead still not moving while enough data buffered @${currentTime} after ${config.nudgeMaxRetry} nudges`);\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_STALLED_ERROR,\n fatal: true\n });\n }\n }\n}\n","import EventHandler from './event-handler';\nimport Hls from './hls';\n\n/**\n * Sub-class specialization of EventHandler base class.\n *\n * TaskLoop allows to schedule a task function being called (optionnaly repeatedly) on the main loop,\n * scheduled asynchroneously, avoiding recursive calls in the same tick.\n *\n * The task itself is implemented in `doTick`. It can be requested and called for single execution\n * using the `tick` method.\n *\n * It will be assured that the task execution method (`tick`) only gets called once per main loop \"tick\",\n * no matter how often it gets requested for execution. Execution in further ticks will be scheduled accordingly.\n *\n * If further execution requests have already been scheduled on the next tick, it can be checked with `hasNextTick`,\n * and cancelled with `clearNextTick`.\n *\n * The task can be scheduled as an interval repeatedly with a period as parameter (see `setInterval`, `clearInterval`).\n *\n * Sub-classes need to implement the `doTick` method which will effectively have the task execution routine.\n *\n * Further explanations:\n *\n * The baseclass has a `tick` method that will schedule the doTick call. It may be called synchroneously\n * only for a stack-depth of one. On re-entrant calls, sub-sequent calls are scheduled for next main loop ticks.\n *\n * When the task execution (`tick` method) is called in re-entrant way this is detected and\n * we are limiting the task execution per call stack to exactly one, but scheduling/post-poning further\n * task processing on the next main loop iteration (also known as \"next tick\" in the Node/JS runtime lingo).\n */\n\nexport default class TaskLoop extends EventHandler {\n private readonly _boundTick: () => void;\n private _tickTimer: number | null = null;\n private _tickInterval: number | null = null;\n private _tickCallCount = 0;\n\n constructor (hls: Hls, ...events: string[]) {\n super(hls, ...events);\n this._boundTick = this.tick.bind(this);\n }\n\n /**\n * @override\n */\n protected onHandlerDestroying () {\n // clear all timers before unregistering from event bus\n this.clearNextTick();\n this.clearInterval();\n }\n\n /**\n * @returns {boolean}\n */\n public hasInterval (): boolean {\n return !!this._tickInterval;\n }\n\n /**\n * @returns {boolean}\n */\n public hasNextTick (): boolean {\n return !!this._tickTimer;\n }\n\n /**\n * @param {number} millis Interval time (ms)\n * @returns {boolean} True when interval has been scheduled, false when already scheduled (no effect)\n */\n public setInterval (millis: number): boolean {\n if (!this._tickInterval) {\n this._tickInterval = self.setInterval(this._boundTick, millis);\n return true;\n }\n return false;\n }\n\n /**\n * @returns {boolean} True when interval was cleared, false when none was set (no effect)\n */\n public clearInterval (): boolean {\n if (this._tickInterval) {\n self.clearInterval(this._tickInterval);\n this._tickInterval = null;\n return true;\n }\n return false;\n }\n\n /**\n * @returns {boolean} True when timeout was cleared, false when none was set (no effect)\n */\n public clearNextTick (): boolean {\n if (this._tickTimer) {\n self.clearTimeout(this._tickTimer);\n this._tickTimer = null;\n return true;\n }\n return false;\n }\n\n /**\n * Will call the subclass doTick implementation in this main loop tick\n * or in the next one (via setTimeout(,0)) in case it has already been called\n * in this tick (in case this is a re-entrant call).\n */\n public tick (): void {\n this._tickCallCount++;\n if (this._tickCallCount === 1) {\n this.doTick();\n // re-entrant call to tick from previous doTick call stack\n // -> schedule a call on the next main loop iteration to process this task processing request\n if (this._tickCallCount > 1) {\n // make sure only one timer exists at any time at max\n this.clearNextTick();\n this._tickTimer = self.setTimeout(this._boundTick, 0);\n }\n this._tickCallCount = 0;\n }\n }\n\n /**\n * For subclass to implement task logic\n * @abstract\n */\n protected doTick (): void {}\n}\n","import TaskLoop from '../task-loop';\nimport { FragmentState } from './fragment-tracker';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport { logger } from '../utils/logger';\n\nexport const State = {\n STOPPED: 'STOPPED',\n STARTING: 'STARTING',\n IDLE: 'IDLE',\n PAUSED: 'PAUSED',\n KEY_LOADING: 'KEY_LOADING',\n FRAG_LOADING: 'FRAG_LOADING',\n FRAG_LOADING_WAITING_RETRY: 'FRAG_LOADING_WAITING_RETRY',\n WAITING_TRACK: 'WAITING_TRACK',\n PARSING: 'PARSING',\n PARSED: 'PARSED',\n BUFFER_FLUSHING: 'BUFFER_FLUSHING',\n ENDED: 'ENDED',\n ERROR: 'ERROR',\n WAITING_INIT_PTS: 'WAITING_INIT_PTS',\n WAITING_LEVEL: 'WAITING_LEVEL'\n};\n\nexport default class BaseStreamController extends TaskLoop {\n doTick () {}\n\n startLoad () {}\n\n stopLoad () {\n let frag = this.fragCurrent;\n if (frag) {\n if (frag.loader) {\n frag.loader.abort();\n }\n this.fragmentTracker.removeFragment(frag);\n }\n if (this.demuxer) {\n this.demuxer.destroy();\n this.demuxer = null;\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n this.clearInterval();\n this.clearNextTick();\n this.state = State.STOPPED;\n }\n\n _streamEnded (bufferInfo, levelDetails) {\n const { fragCurrent, fragmentTracker } = this;\n // we just got done loading the final fragment and there is no other buffered range after ...\n // rationale is that in case there are any buffered ranges after, it means that there are unbuffered portion in between\n // so we should not switch to ENDED in that case, to be able to buffer them\n // dont switch to ENDED if we need to backtrack last fragment\n if (!levelDetails.live && fragCurrent && !fragCurrent.backtracked && fragCurrent.sn === levelDetails.endSN && !bufferInfo.nextStart) {\n const fragState = fragmentTracker.getState(fragCurrent);\n return fragState === FragmentState.PARTIAL || fragState === FragmentState.OK;\n }\n return false;\n }\n\n onMediaSeeking () {\n const { config, media, mediaBuffer, state } = this;\n const currentTime = media ? media.currentTime : null;\n const bufferInfo = BufferHelper.bufferInfo(mediaBuffer || media, currentTime, this.config.maxBufferHole);\n\n if (Number.isFinite(currentTime)) {\n logger.log(`media seeking to ${currentTime.toFixed(3)}`);\n }\n\n if (state === State.FRAG_LOADING) {\n let fragCurrent = this.fragCurrent;\n // check if we are seeking to a unbuffered area AND if frag loading is in progress\n if (bufferInfo.len === 0 && fragCurrent) {\n const tolerance = config.maxFragLookUpTolerance;\n const fragStartOffset = fragCurrent.start - tolerance;\n const fragEndOffset = fragCurrent.start + fragCurrent.duration + tolerance;\n // check if we seek position will be out of currently loaded frag range : if out cancel frag load, if in, don't do anything\n if (currentTime < fragStartOffset || currentTime > fragEndOffset) {\n if (fragCurrent.loader) {\n logger.log('seeking outside of buffer while fragment load in progress, cancel fragment load');\n fragCurrent.loader.abort();\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n // switch to IDLE state to load new fragment\n this.state = State.IDLE;\n } else {\n logger.log('seeking outside of buffer but within currently loaded fragment range');\n }\n }\n } else if (state === State.ENDED) {\n // if seeking to unbuffered area, clean up fragPrevious\n if (bufferInfo.len === 0) {\n this.fragPrevious = null;\n this.fragCurrent = null;\n }\n\n // switch to IDLE state to check for potential new fragment\n this.state = State.IDLE;\n }\n if (media) {\n this.lastCurrentTime = currentTime;\n }\n\n // in case seeking occurs although no media buffered, adjust startPosition and nextLoadPosition to seek target\n if (!this.loadedmetadata) {\n this.nextLoadPosition = this.startPosition = currentTime;\n }\n\n // tick to speed up processing\n this.tick();\n }\n\n onMediaEnded () {\n // reset startPosition and lastCurrentTime to restart playback @ stream beginning\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n onHandlerDestroying () {\n this.stopLoad();\n super.onHandlerDestroying();\n }\n\n onHandlerDestroyed () {\n this.state = State.STOPPED;\n this.fragmentTracker = null;\n }\n\n computeLivePosition (sliding, levelDetails) {\n let targetLatency = this.config.liveSyncDuration !== undefined ? this.config.liveSyncDuration : this.config.liveSyncDurationCount * levelDetails.targetduration;\n return sliding + Math.max(0, levelDetails.totalduration - targetLatency);\n }\n}\n","/*\n * Stream Controller\n*/\n\nimport BinarySearch from '../utils/binary-search';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport Demuxer from '../demux/demuxer';\nimport Event from '../events';\nimport { FragmentState } from './fragment-tracker';\nimport { ElementaryStreamTypes } from '../loader/fragment';\nimport { PlaylistLevelType } from '../types/loader';\nimport * as LevelHelper from './level-helper';\nimport TimeRanges from '../utils/time-ranges';\nimport { ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport { alignStream } from '../utils/discontinuities';\nimport { findFragmentByPDT, findFragmentByPTS } from './fragment-finders';\nimport GapController from './gap-controller';\nimport BaseStreamController, { State } from './base-stream-controller';\n\nconst TICK_INTERVAL = 100; // how often to tick in ms\n\nclass StreamController extends BaseStreamController {\n constructor (hls, fragmentTracker) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.MANIFEST_LOADING,\n Event.MANIFEST_PARSED,\n Event.LEVEL_LOADED,\n Event.KEY_LOADED,\n Event.FRAG_LOADED,\n Event.FRAG_LOAD_EMERGENCY_ABORTED,\n Event.FRAG_PARSING_INIT_SEGMENT,\n Event.FRAG_PARSING_DATA,\n Event.FRAG_PARSED,\n Event.ERROR,\n Event.AUDIO_TRACK_SWITCHING,\n Event.AUDIO_TRACK_SWITCHED,\n Event.BUFFER_CREATED,\n Event.BUFFER_APPENDED,\n Event.BUFFER_FLUSHED);\n\n this.fragmentTracker = fragmentTracker;\n this.config = hls.config;\n this.audioCodecSwap = false;\n this._state = State.STOPPED;\n this.stallReported = false;\n this.gapController = null;\n this.altAudio = false;\n }\n\n startLoad (startPosition) {\n if (this.levels) {\n let lastCurrentTime = this.lastCurrentTime, hls = this.hls;\n this.stopLoad();\n this.setInterval(TICK_INTERVAL);\n this.level = -1;\n this.fragLoadError = 0;\n if (!this.startFragRequested) {\n // determine load level\n let startLevel = hls.startLevel;\n if (startLevel === -1) {\n // -1 : guess start Level by doing a bitrate test by loading first fragment of lowest quality level\n startLevel = 0;\n this.bitrateTest = true;\n }\n // set new level to playlist loader : this will trigger start level load\n // hls.nextLoadLevel remains until it is set to a new value or until a new frag is successfully loaded\n this.level = hls.nextLoadLevel = startLevel;\n this.loadedmetadata = false;\n }\n // if startPosition undefined but lastCurrentTime set, set startPosition to last currentTime\n if (lastCurrentTime > 0 && startPosition === -1) {\n logger.log(`override startPosition with lastCurrentTime @${lastCurrentTime.toFixed(3)}`);\n startPosition = lastCurrentTime;\n }\n this.state = State.IDLE;\n this.nextLoadPosition = this.startPosition = this.lastCurrentTime = startPosition;\n this.tick();\n } else {\n this.forceStartLoad = true;\n this.state = State.STOPPED;\n }\n }\n\n stopLoad () {\n this.forceStartLoad = false;\n super.stopLoad();\n }\n\n doTick () {\n switch (this.state) {\n case State.BUFFER_FLUSHING:\n // in buffer flushing state, reset fragLoadError counter\n this.fragLoadError = 0;\n break;\n case State.IDLE:\n this._doTickIdle();\n break;\n case State.WAITING_LEVEL:\n var level = this.levels[this.level];\n // check if playlist is already loaded\n if (level && level.details) {\n this.state = State.IDLE;\n }\n\n break;\n case State.FRAG_LOADING_WAITING_RETRY:\n var now = window.performance.now();\n var retryDate = this.retryDate;\n // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading\n if (!retryDate || (now >= retryDate) || (this.media && this.media.seeking)) {\n logger.log('mediaController: retryDate reached, switch back to IDLE state');\n this.state = State.IDLE;\n }\n break;\n case State.ERROR:\n case State.STOPPED:\n case State.FRAG_LOADING:\n case State.PARSING:\n case State.PARSED:\n case State.ENDED:\n break;\n default:\n break;\n }\n // check buffer\n this._checkBuffer();\n // check/update current fragment\n this._checkFragmentChanged();\n }\n\n // Ironically the \"idle\" state is the on we do the most logic in it seems ....\n // NOTE: Maybe we could rather schedule a check for buffer length after half of the currently\n // played segment, or on pause/play/seek instead of naively checking every 100ms?\n _doTickIdle () {\n const hls = this.hls,\n config = hls.config,\n media = this.media;\n\n // if start level not parsed yet OR\n // if video not attached AND start fragment already requested OR start frag prefetch disable\n // exit loop, as we either need more info (level not parsed) or we need media to be attached to load new fragment\n if (this.levelLastLoaded === undefined || (\n !media && (this.startFragRequested || !config.startFragPrefetch))) {\n return;\n }\n\n // if we have not yet loaded any fragment, start loading from start position\n let pos;\n if (this.loadedmetadata) {\n pos = media.currentTime;\n } else {\n pos = this.nextLoadPosition;\n }\n\n // determine next load level\n let level = hls.nextLoadLevel,\n levelInfo = this.levels[level];\n\n if (!levelInfo) {\n return;\n }\n\n let levelBitrate = levelInfo.bitrate,\n maxBufLen;\n\n // compute max Buffer Length that we could get from this load level, based on level bitrate.\n if (levelBitrate) {\n maxBufLen = Math.max(8 * config.maxBufferSize / levelBitrate, config.maxBufferLength);\n } else {\n maxBufLen = config.maxBufferLength;\n }\n\n maxBufLen = Math.min(maxBufLen, config.maxMaxBufferLength);\n\n // determine next candidate fragment to be loaded, based on current position and end of buffer position\n // ensure up to `config.maxMaxBufferLength` of buffer upfront\n\n const bufferInfo = BufferHelper.bufferInfo(this.mediaBuffer ? this.mediaBuffer : media, pos, config.maxBufferHole),\n bufferLen = bufferInfo.len;\n // Stay idle if we are still with buffer margins\n if (bufferLen >= maxBufLen) {\n return;\n }\n\n // if buffer length is less than maxBufLen try to load a new fragment ...\n logger.trace(`buffer length of ${bufferLen.toFixed(3)} is below max of ${maxBufLen.toFixed(3)}. checking for more payload ...`);\n\n // set next load level : this will trigger a playlist load if needed\n this.level = hls.nextLoadLevel = level;\n\n const levelDetails = levelInfo.details;\n // if level info not retrieved yet, switch state and wait for level retrieval\n // if live playlist, ensure that new playlist has been refreshed to avoid loading/try to load\n // a useless and outdated fragment (that might even introduce load error if it is already out of the live playlist)\n if (!levelDetails || (levelDetails.live && this.levelLastLoaded !== level)) {\n this.state = State.WAITING_LEVEL;\n return;\n }\n\n if (this._streamEnded(bufferInfo, levelDetails)) {\n const data = {};\n if (this.altAudio) {\n data.type = 'video';\n }\n\n this.hls.trigger(Event.BUFFER_EOS, data);\n this.state = State.ENDED;\n return;\n }\n // if we have the levelDetails for the selected variant, lets continue enrichen our stream (load keys/fragments or trigger EOS, etc..)\n this._fetchPayloadOrEos(pos, bufferInfo, levelDetails);\n }\n\n _fetchPayloadOrEos (pos, bufferInfo, levelDetails) {\n const fragPrevious = this.fragPrevious,\n level = this.level,\n fragments = levelDetails.fragments,\n fragLen = fragments.length;\n\n // empty playlist\n if (fragLen === 0) {\n return;\n }\n\n // find fragment index, contiguous with end of buffer position\n let start = fragments[0].start,\n end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration,\n bufferEnd = bufferInfo.end,\n frag;\n\n if (levelDetails.initSegment && !levelDetails.initSegment.data) {\n frag = levelDetails.initSegment;\n } else {\n // in case of live playlist we need to ensure that requested position is not located before playlist start\n if (levelDetails.live) {\n let initialLiveManifestSize = this.config.initialLiveManifestSize;\n if (fragLen < initialLiveManifestSize) {\n logger.warn(`Can not start playback of a level, reason: not enough fragments ${fragLen} < ${initialLiveManifestSize}`);\n return;\n }\n\n frag = this._ensureFragmentAtLivePoint(levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen);\n // if it explicitely returns null don't load any fragment and exit function now\n if (frag === null) {\n return;\n }\n } else {\n // VoD playlist: if bufferEnd before start of playlist, load first fragment\n if (bufferEnd < start) {\n frag = fragments[0];\n }\n }\n }\n if (!frag) {\n frag = this._findFragment(start, fragPrevious, fragLen, fragments, bufferEnd, end, levelDetails);\n }\n\n if (frag) {\n if (frag.encrypted) {\n logger.log(`Loading key for ${frag.sn} of [${levelDetails.startSN} ,${levelDetails.endSN}],level ${level}`);\n this._loadKey(frag);\n } else {\n logger.log(`Loading ${frag.sn} of [${levelDetails.startSN} ,${levelDetails.endSN}],level ${level}, currentTime:${pos.toFixed(3)},bufferEnd:${bufferEnd.toFixed(3)}`);\n this._loadFragment(frag);\n }\n }\n }\n\n _ensureFragmentAtLivePoint (levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen) {\n const config = this.hls.config, media = this.media;\n\n let frag;\n\n // check if requested position is within seekable boundaries :\n // logger.log(`start/pos/bufEnd/seeking:${start.toFixed(3)}/${pos.toFixed(3)}/${bufferEnd.toFixed(3)}/${this.media.seeking}`);\n let maxLatency = config.liveMaxLatencyDuration !== undefined ? config.liveMaxLatencyDuration : config.liveMaxLatencyDurationCount * levelDetails.targetduration;\n\n if (bufferEnd < Math.max(start - config.maxFragLookUpTolerance, end - maxLatency)) {\n let liveSyncPosition = this.liveSyncPosition = this.computeLivePosition(start, levelDetails);\n bufferEnd = liveSyncPosition;\n if (media && !media.paused && media.readyState && media.duration > liveSyncPosition && liveSyncPosition > media.currentTime) {\n logger.log(`buffer end: ${bufferEnd.toFixed(3)} is located too far from the end of live sliding playlist, reset currentTime to : ${liveSyncPosition.toFixed(3)}`);\n media.currentTime = liveSyncPosition;\n }\n\n this.nextLoadPosition = liveSyncPosition;\n }\n\n // if end of buffer greater than live edge, don't load any fragment\n // this could happen if live playlist intermittently slides in the past.\n // level 1 loaded [182580161,182580167]\n // level 1 loaded [182580162,182580169]\n // Loading 182580168 of [182580162 ,182580169],level 1 ..\n // Loading 182580169 of [182580162 ,182580169],level 1 ..\n // level 1 loaded [182580162,182580168] <============= here we should have bufferEnd > end. in that case break to avoid reloading 182580168\n // level 1 loaded [182580164,182580171]\n //\n // don't return null in case media not loaded yet (readystate === 0)\n if (levelDetails.PTSKnown && bufferEnd > end && media && media.readyState) {\n return null;\n }\n\n if (this.startFragRequested && !levelDetails.PTSKnown) {\n /* we are switching level on live playlist, but we don't have any PTS info for that quality level ...\n try to load frag matching with next SN.\n even if SN are not synchronized between playlists, loading this frag will help us\n compute playlist sliding and find the right one after in case it was not the right consecutive one */\n if (fragPrevious) {\n if (levelDetails.hasProgramDateTime) {\n // Relies on PDT in order to switch bitrates (Support EXT-X-DISCONTINUITY without EXT-X-DISCONTINUITY-SEQUENCE)\n logger.log(`live playlist, switching playlist, load frag with same PDT: ${fragPrevious.programDateTime}`);\n frag = findFragmentByPDT(fragments, fragPrevious.endProgramDateTime, config.maxFragLookUpTolerance);\n } else {\n // Uses buffer and sequence number to calculate switch segment (required if using EXT-X-DISCONTINUITY-SEQUENCE)\n const targetSN = fragPrevious.sn + 1;\n if (targetSN >= levelDetails.startSN && targetSN <= levelDetails.endSN) {\n const fragNext = fragments[targetSN - levelDetails.startSN];\n if (fragPrevious.cc === fragNext.cc) {\n frag = fragNext;\n logger.log(`live playlist, switching playlist, load frag with next SN: ${frag.sn}`);\n }\n }\n // next frag SN not available (or not with same continuity counter)\n // look for a frag sharing the same CC\n if (!frag) {\n frag = BinarySearch.search(fragments, function (frag) {\n return fragPrevious.cc - frag.cc;\n });\n if (frag) {\n logger.log(`live playlist, switching playlist, load frag with same CC: ${frag.sn}`);\n }\n }\n }\n }\n if (!frag) {\n /* we have no idea about which fragment should be loaded.\n so let's load mid fragment. it will help computing playlist sliding and find the right one\n */\n frag = fragments[Math.min(fragLen - 1, Math.round(fragLen / 2))];\n logger.log(`live playlist, switching playlist, unknown, load middle frag : ${frag.sn}`);\n }\n }\n\n return frag;\n }\n\n _findFragment (start, fragPreviousLoad, fragmentIndexRange, fragments, bufferEnd, end, levelDetails) {\n const config = this.hls.config;\n let fragNextLoad;\n\n if (bufferEnd < end) {\n const lookupTolerance = (bufferEnd > end - config.maxFragLookUpTolerance) ? 0 : config.maxFragLookUpTolerance;\n // Remove the tolerance if it would put the bufferEnd past the actual end of stream\n // Uses buffer and sequence number to calculate switch segment (required if using EXT-X-DISCONTINUITY-SEQUENCE)\n fragNextLoad = findFragmentByPTS(fragPreviousLoad, fragments, bufferEnd, lookupTolerance);\n } else {\n // reach end of playlist\n fragNextLoad = fragments[fragmentIndexRange - 1];\n }\n\n if (fragNextLoad) {\n const curSNIdx = fragNextLoad.sn - levelDetails.startSN;\n const sameLevel = fragPreviousLoad && fragNextLoad.level === fragPreviousLoad.level;\n const prevSnFrag = fragments[curSNIdx - 1];\n const nextSnFrag = fragments[curSNIdx + 1];\n\n // logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn);\n if (fragPreviousLoad && fragNextLoad.sn === fragPreviousLoad.sn) {\n if (sameLevel && !fragNextLoad.backtracked) {\n if (fragNextLoad.sn < levelDetails.endSN) {\n let deltaPTS = fragPreviousLoad.deltaPTS;\n // if there is a significant delta between audio and video, larger than max allowed hole,\n // and if previous remuxed fragment did not start with a keyframe. (fragPrevious.dropped)\n // let's try to load previous fragment again to get last keyframe\n // then we will reload again current fragment (that way we should be able to fill the buffer hole ...)\n if (deltaPTS && deltaPTS > config.maxBufferHole && fragPreviousLoad.dropped && curSNIdx) {\n fragNextLoad = prevSnFrag;\n logger.warn('Previous fragment was dropped with large PTS gap between audio and video. Maybe fragment is not starting with a keyframe? Loading previous one to try to overcome this');\n } else {\n fragNextLoad = nextSnFrag;\n logger.log(`Re-loading fragment with SN: ${fragNextLoad.sn}`);\n }\n } else {\n fragNextLoad = null;\n }\n } else if (fragNextLoad.backtracked) {\n // Only backtrack a max of 1 consecutive fragment to prevent sliding back too far when little or no frags start with keyframes\n if (nextSnFrag && nextSnFrag.backtracked) {\n logger.warn(`Already backtracked from fragment ${nextSnFrag.sn}, will not backtrack to fragment ${fragNextLoad.sn}. Loading fragment ${nextSnFrag.sn}`);\n fragNextLoad = nextSnFrag;\n } else {\n // If a fragment has dropped frames and it's in a same level/sequence, load the previous fragment to try and find the keyframe\n // Reset the dropped count now since it won't be reset until we parse the fragment again, which prevents infinite backtracking on the same segment\n logger.warn('Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe');\n fragNextLoad.dropped = 0;\n if (prevSnFrag) {\n fragNextLoad = prevSnFrag;\n fragNextLoad.backtracked = true;\n } else if (curSNIdx) {\n // can't backtrack on very first fragment\n fragNextLoad = null;\n }\n }\n }\n }\n }\n\n return fragNextLoad;\n }\n\n _loadKey (frag) {\n this.state = State.KEY_LOADING;\n this.hls.trigger(Event.KEY_LOADING, { frag });\n }\n\n _loadFragment (frag) {\n // Check if fragment is not loaded\n let fragState = this.fragmentTracker.getState(frag);\n\n this.fragCurrent = frag;\n if (frag.sn !== 'initSegment') {\n this.startFragRequested = true;\n }\n // Don't update nextLoadPosition for fragments which are not buffered\n if (Number.isFinite(frag.sn) && !frag.bitrateTest) {\n this.nextLoadPosition = frag.start + frag.duration;\n }\n\n // Allow backtracked fragments to load\n if (frag.backtracked || fragState === FragmentState.NOT_LOADED || fragState === FragmentState.PARTIAL) {\n frag.autoLevel = this.hls.autoLevelEnabled;\n frag.bitrateTest = this.bitrateTest;\n\n this.hls.trigger(Event.FRAG_LOADING, { frag });\n // lazy demuxer init, as this could take some time ... do it during frag loading\n if (!this.demuxer) {\n this.demuxer = new Demuxer(this.hls, 'main');\n }\n\n this.state = State.FRAG_LOADING;\n } else if (fragState === FragmentState.APPENDING) {\n // Lower the buffer size and try again\n if (this._reduceMaxBufferLength(frag.duration)) {\n this.fragmentTracker.removeFragment(frag);\n }\n }\n }\n\n set state (nextState) {\n if (this.state !== nextState) {\n const previousState = this.state;\n this._state = nextState;\n logger.log(`main stream-controller: ${previousState}->${nextState}`);\n this.hls.trigger(Event.STREAM_STATE_TRANSITION, { previousState, nextState });\n }\n }\n\n get state () {\n return this._state;\n }\n\n getBufferedFrag (position) {\n return this.fragmentTracker.getBufferedFrag(position, PlaylistLevelType.MAIN);\n }\n\n get currentLevel () {\n let media = this.media;\n if (media) {\n const frag = this.getBufferedFrag(media.currentTime);\n if (frag) {\n return frag.level;\n }\n }\n return -1;\n }\n\n get nextBufferedFrag () {\n let media = this.media;\n if (media) {\n // first get end range of current fragment\n return this.followingBufferedFrag(this.getBufferedFrag(media.currentTime));\n } else {\n return null;\n }\n }\n\n followingBufferedFrag (frag) {\n if (frag) {\n // try to get range of next fragment (500ms after this range)\n return this.getBufferedFrag(frag.endPTS + 0.5);\n }\n return null;\n }\n\n get nextLevel () {\n const frag = this.nextBufferedFrag;\n if (frag) {\n return frag.level;\n } else {\n return -1;\n }\n }\n\n _checkFragmentChanged () {\n let fragPlayingCurrent, currentTime, video = this.media;\n if (video && video.readyState && video.seeking === false) {\n currentTime = video.currentTime;\n /* if video element is in seeked state, currentTime can only increase.\n (assuming that playback rate is positive ...)\n As sometimes currentTime jumps back to zero after a\n media decode error, check this, to avoid seeking back to\n wrong position after a media decode error\n */\n if (currentTime > this.lastCurrentTime) {\n this.lastCurrentTime = currentTime;\n }\n\n if (BufferHelper.isBuffered(video, currentTime)) {\n fragPlayingCurrent = this.getBufferedFrag(currentTime);\n } else if (BufferHelper.isBuffered(video, currentTime + 0.1)) {\n /* ensure that FRAG_CHANGED event is triggered at startup,\n when first video frame is displayed and playback is paused.\n add a tolerance of 100ms, in case current position is not buffered,\n check if current pos+100ms is buffered and use that buffer range\n for FRAG_CHANGED event reporting */\n fragPlayingCurrent = this.getBufferedFrag(currentTime + 0.1);\n }\n if (fragPlayingCurrent) {\n let fragPlaying = fragPlayingCurrent;\n if (fragPlaying !== this.fragPlaying) {\n this.hls.trigger(Event.FRAG_CHANGED, { frag: fragPlaying });\n const fragPlayingLevel = fragPlaying.level;\n if (!this.fragPlaying || this.fragPlaying.level !== fragPlayingLevel) {\n this.hls.trigger(Event.LEVEL_SWITCHED, { level: fragPlayingLevel });\n }\n\n this.fragPlaying = fragPlaying;\n }\n }\n }\n }\n\n /*\n on immediate level switch :\n - pause playback if playing\n - cancel any pending load request\n - and trigger a buffer flush\n */\n immediateLevelSwitch () {\n logger.log('immediateLevelSwitch');\n if (!this.immediateSwitch) {\n this.immediateSwitch = true;\n let media = this.media, previouslyPaused;\n if (media) {\n previouslyPaused = media.paused;\n media.pause();\n } else {\n // don't restart playback after instant level switch in case media not attached\n previouslyPaused = true;\n }\n this.previouslyPaused = previouslyPaused;\n }\n let fragCurrent = this.fragCurrent;\n if (fragCurrent && fragCurrent.loader) {\n fragCurrent.loader.abort();\n }\n\n this.fragCurrent = null;\n // flush everything\n this.flushMainBuffer(0, Number.POSITIVE_INFINITY);\n }\n\n /**\n * on immediate level switch end, after new fragment has been buffered:\n * - nudge video decoder by slightly adjusting video currentTime (if currentTime buffered)\n * - resume the playback if needed\n */\n immediateLevelSwitchEnd () {\n const media = this.media;\n if (media && media.buffered.length) {\n this.immediateSwitch = false;\n if (BufferHelper.isBuffered(media, media.currentTime)) {\n // only nudge if currentTime is buffered\n media.currentTime -= 0.0001;\n }\n if (!this.previouslyPaused) {\n media.play();\n }\n }\n }\n\n /**\n * try to switch ASAP without breaking video playback:\n * in order to ensure smooth but quick level switching,\n * we need to find the next flushable buffer range\n * we should take into account new segment fetch time\n */\n nextLevelSwitch () {\n const media = this.media;\n // ensure that media is defined and that metadata are available (to retrieve currentTime)\n if (media && media.readyState) {\n let fetchdelay, fragPlayingCurrent, nextBufferedFrag;\n fragPlayingCurrent = this.getBufferedFrag(media.currentTime);\n if (fragPlayingCurrent && fragPlayingCurrent.startPTS > 1) {\n // flush buffer preceding current fragment (flush until current fragment start offset)\n // minus 1s to avoid video freezing, that could happen if we flush keyframe of current video ...\n this.flushMainBuffer(0, fragPlayingCurrent.startPTS - 1);\n }\n if (!media.paused) {\n // add a safety delay of 1s\n let nextLevelId = this.hls.nextLoadLevel, nextLevel = this.levels[nextLevelId], fragLastKbps = this.fragLastKbps;\n if (fragLastKbps && this.fragCurrent) {\n fetchdelay = this.fragCurrent.duration * nextLevel.bitrate / (1000 * fragLastKbps) + 1;\n } else {\n fetchdelay = 0;\n }\n } else {\n fetchdelay = 0;\n }\n // logger.log('fetchdelay:'+fetchdelay);\n // find buffer range that will be reached once new fragment will be fetched\n nextBufferedFrag = this.getBufferedFrag(media.currentTime + fetchdelay);\n if (nextBufferedFrag) {\n // we can flush buffer range following this one without stalling playback\n nextBufferedFrag = this.followingBufferedFrag(nextBufferedFrag);\n if (nextBufferedFrag) {\n // if we are here, we can also cancel any loading/demuxing in progress, as they are useless\n let fragCurrent = this.fragCurrent;\n if (fragCurrent && fragCurrent.loader) {\n fragCurrent.loader.abort();\n }\n\n this.fragCurrent = null;\n // start flush position is the start PTS of next buffered frag.\n // we use frag.naxStartPTS which is max(audio startPTS, video startPTS).\n // in case there is a small PTS Delta between audio and video, using maxStartPTS avoids flushing last samples from current fragment\n this.flushMainBuffer(nextBufferedFrag.maxStartPTS, Number.POSITIVE_INFINITY);\n }\n }\n }\n }\n\n flushMainBuffer (startOffset, endOffset) {\n this.state = State.BUFFER_FLUSHING;\n let flushScope = { startOffset: startOffset, endOffset: endOffset };\n // if alternate audio tracks are used, only flush video, otherwise flush everything\n if (this.altAudio) {\n flushScope.type = 'video';\n }\n\n this.hls.trigger(Event.BUFFER_FLUSHING, flushScope);\n }\n\n onMediaAttached (data) {\n let media = this.media = this.mediaBuffer = data.media;\n this.onvseeking = this.onMediaSeeking.bind(this);\n this.onvseeked = this.onMediaSeeked.bind(this);\n this.onvended = this.onMediaEnded.bind(this);\n media.addEventListener('seeking', this.onvseeking);\n media.addEventListener('seeked', this.onvseeked);\n media.addEventListener('ended', this.onvended);\n let config = this.config;\n if (this.levels && config.autoStartLoad) {\n this.hls.startLoad(config.startPosition);\n }\n\n this.gapController = new GapController(config, media, this.fragmentTracker, this.hls);\n }\n\n onMediaDetaching () {\n let media = this.media;\n if (media && media.ended) {\n logger.log('MSE detaching and video ended, reset startPosition');\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n // reset fragment backtracked flag\n let levels = this.levels;\n if (levels) {\n levels.forEach(level => {\n if (level.details) {\n level.details.fragments.forEach(fragment => {\n fragment.backtracked = undefined;\n });\n }\n });\n }\n\n // remove video listeners\n if (media) {\n media.removeEventListener('seeking', this.onvseeking);\n media.removeEventListener('seeked', this.onvseeked);\n media.removeEventListener('ended', this.onvended);\n this.onvseeking = this.onvseeked = this.onvended = null;\n }\n\n this.fragmentTracker.removeAllFragments();\n this.media = this.mediaBuffer = null;\n this.loadedmetadata = false;\n this.stopLoad();\n }\n\n onMediaSeeked () {\n const media = this.media;\n const currentTime = media ? media.currentTime : undefined;\n const { seekWithinTolerance } = this.config;\n\n // We are not firing Event.CAN_PLAY_AFTER_SEEK only if we are seeking again to reach buffered fragment.\n if (!seekWithinTolerance || !this.gapController.seekWithinToleranceIfNeeded()) {\n this.hls.trigger(Event.CAN_PLAY_AFTER_SEEK);\n }\n\n if (Number.isFinite(currentTime)) {\n logger.log(`media seeked to ${currentTime.toFixed(3)}`);\n }\n\n // tick to speed up FRAGMENT_PLAYING triggering\n this.tick();\n }\n\n onManifestLoading () {\n // reset buffer on manifest loading\n logger.log('trigger BUFFER_RESET');\n this.hls.trigger(Event.BUFFER_RESET);\n this.fragmentTracker.removeAllFragments();\n this.stalled = false;\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n onManifestParsed (data) {\n let aac = false, heaac = false, codec;\n data.levels.forEach(level => {\n // detect if we have different kind of audio codecs used amongst playlists\n codec = level.audioCodec;\n if (codec) {\n if (codec.indexOf('mp4a.40.2') !== -1) {\n aac = true;\n }\n\n if (codec.indexOf('mp4a.40.5') !== -1) {\n heaac = true;\n }\n }\n });\n this.audioCodecSwitch = (aac && heaac);\n if (this.audioCodecSwitch) {\n logger.log('both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC');\n }\n\n this.altAudio = data.altAudio;\n this.levels = data.levels;\n this.startFragRequested = false;\n let config = this.config;\n if (config.autoStartLoad || this.forceStartLoad) {\n this.hls.startLoad(config.startPosition);\n }\n }\n\n onLevelLoaded (data) {\n const newDetails = data.details;\n const newLevelId = data.level;\n const lastLevel = this.levels[this.levelLastLoaded];\n const curLevel = this.levels[newLevelId];\n const duration = newDetails.totalduration;\n let sliding = 0;\n\n logger.log(`level ${newLevelId} loaded [${newDetails.startSN},${newDetails.endSN}],duration:${duration}`);\n\n if (newDetails.live) {\n let curDetails = curLevel.details;\n if (curDetails && newDetails.fragments.length > 0) {\n // we already have details for that level, merge them\n LevelHelper.mergeDetails(curDetails, newDetails);\n sliding = newDetails.fragments[0].start;\n this.liveSyncPosition = this.computeLivePosition(sliding, curDetails);\n if (newDetails.PTSKnown && Number.isFinite(sliding)) {\n logger.log(`live playlist sliding:${sliding.toFixed(3)}`);\n } else {\n logger.log('live playlist - outdated PTS, unknown sliding');\n alignStream(this.fragPrevious, lastLevel, newDetails);\n }\n } else {\n logger.log('live playlist - first load, unknown sliding');\n newDetails.PTSKnown = false;\n alignStream(this.fragPrevious, lastLevel, newDetails);\n }\n } else {\n newDetails.PTSKnown = false;\n }\n // override level info\n curLevel.details = newDetails;\n this.levelLastLoaded = newLevelId;\n this.hls.trigger(Event.LEVEL_UPDATED, { details: newDetails, level: newLevelId });\n\n if (this.startFragRequested === false) {\n // compute start position if set to -1. use it straight away if value is defined\n if (this.startPosition === -1 || this.lastCurrentTime === -1) {\n // first, check if start time offset has been set in playlist, if yes, use this value\n let startTimeOffset = newDetails.startTimeOffset;\n if (Number.isFinite(startTimeOffset)) {\n if (startTimeOffset < 0) {\n logger.log(`negative start time offset ${startTimeOffset}, count from end of last fragment`);\n startTimeOffset = sliding + duration + startTimeOffset;\n }\n logger.log(`start time offset found in playlist, adjust startPosition to ${startTimeOffset}`);\n this.startPosition = startTimeOffset;\n } else {\n // if live playlist, set start position to be fragment N-this.config.liveSyncDurationCount (usually 3)\n if (newDetails.live) {\n this.startPosition = this.computeLivePosition(sliding, newDetails);\n logger.log(`configure startPosition to ${this.startPosition}`);\n } else {\n this.startPosition = 0;\n }\n }\n this.lastCurrentTime = this.startPosition;\n }\n this.nextLoadPosition = this.startPosition;\n }\n // only switch batck to IDLE state if we were waiting for level to start downloading a new fragment\n if (this.state === State.WAITING_LEVEL) {\n this.state = State.IDLE;\n }\n\n // trigger handler right now\n this.tick();\n }\n\n onKeyLoaded () {\n if (this.state === State.KEY_LOADING) {\n this.state = State.IDLE;\n this.tick();\n }\n }\n\n onFragLoaded (data) {\n const { fragCurrent, hls, levels, media } = this;\n const fragLoaded = data.frag;\n if (this.state === State.FRAG_LOADING &&\n fragCurrent &&\n fragLoaded.type === 'main' &&\n fragLoaded.level === fragCurrent.level &&\n fragLoaded.sn === fragCurrent.sn) {\n const stats = data.stats;\n const currentLevel = levels[fragCurrent.level];\n const details = currentLevel.details;\n // reset frag bitrate test in any case after frag loaded event\n // if this frag was loaded to perform a bitrate test AND if hls.nextLoadLevel is greater than 0\n // then this means that we should be able to load a fragment at a higher quality level\n this.bitrateTest = false;\n this.stats = stats;\n\n logger.log(`Loaded ${fragCurrent.sn} of [${details.startSN} ,${details.endSN}],level ${fragCurrent.level}`);\n if (fragLoaded.bitrateTest && hls.nextLoadLevel) {\n // switch back to IDLE state ... we just loaded a fragment to determine adequate start bitrate and initialize autoswitch algo\n this.state = State.IDLE;\n this.startFragRequested = false;\n stats.tparsed = stats.tbuffered = window.performance.now();\n hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'main' });\n this.tick();\n } else if (fragLoaded.sn === 'initSegment') {\n this.state = State.IDLE;\n stats.tparsed = stats.tbuffered = window.performance.now();\n details.initSegment.data = data.payload;\n hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'main' });\n this.tick();\n } else {\n logger.log(`Parsing ${fragCurrent.sn} of [${details.startSN} ,${details.endSN}],level ${fragCurrent.level}, cc ${fragCurrent.cc}`);\n this.state = State.PARSING;\n this.pendingBuffering = true;\n this.appended = false;\n\n // Bitrate test frags are not usually buffered so the fragment tracker ignores them. If Hls.js decides to buffer\n // it (and therefore ends up at this line), then the fragment tracker needs to be manually informed.\n if (fragLoaded.bitrateTest) {\n fragLoaded.bitrateTest = false;\n this.fragmentTracker.onFragLoaded({\n frag: fragLoaded\n });\n }\n\n // time Offset is accurate if level PTS is known, or if playlist is not sliding (not live) and if media is not seeking (this is to overcome potential timestamp drifts between playlists and fragments)\n const accurateTimeOffset = !(media && media.seeking) && (details.PTSKnown || !details.live);\n const initSegmentData = details.initSegment ? details.initSegment.data : [];\n const audioCodec = this._getAudioCodec(currentLevel);\n\n // transmux the MPEG-TS data to ISO-BMFF segments\n const demuxer = this.demuxer = this.demuxer || new Demuxer(this.hls, 'main');\n demuxer.push(\n data.payload,\n initSegmentData,\n audioCodec,\n currentLevel.videoCodec,\n fragCurrent,\n details.totalduration,\n accurateTimeOffset\n );\n }\n }\n this.fragLoadError = 0;\n }\n\n onFragParsingInitSegment (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n let tracks = data.tracks, trackName, track;\n\n // if audio track is expected to come from audio stream controller, discard any coming from main\n if (tracks.audio && this.altAudio) {\n delete tracks.audio;\n }\n\n // include levelCodec in audio and video tracks\n track = tracks.audio;\n if (track) {\n let audioCodec = this.levels[this.level].audioCodec,\n ua = navigator.userAgent.toLowerCase();\n if (audioCodec && this.audioCodecSwap) {\n logger.log('swapping playlist audio codec');\n if (audioCodec.indexOf('mp4a.40.5') !== -1) {\n audioCodec = 'mp4a.40.2';\n } else {\n audioCodec = 'mp4a.40.5';\n }\n }\n // in case AAC and HE-AAC audio codecs are signalled in manifest\n // force HE-AAC , as it seems that most browsers prefers that way,\n // except for mono streams OR on FF\n // these conditions might need to be reviewed ...\n if (this.audioCodecSwitch) {\n // don't force HE-AAC if mono stream\n if (track.metadata.channelCount !== 1 &&\n // don't force HE-AAC if firefox\n ua.indexOf('firefox') === -1) {\n audioCodec = 'mp4a.40.5';\n }\n }\n // HE-AAC is broken on Android, always signal audio codec as AAC even if variant manifest states otherwise\n if (ua.indexOf('android') !== -1 && track.container !== 'audio/mpeg') { // Exclude mpeg audio\n audioCodec = 'mp4a.40.2';\n logger.log(`Android: force audio codec to ${audioCodec}`);\n }\n track.levelCodec = audioCodec;\n track.id = data.id;\n }\n track = tracks.video;\n if (track) {\n track.levelCodec = this.levels[this.level].videoCodec;\n track.id = data.id;\n }\n this.hls.trigger(Event.BUFFER_CODECS, tracks);\n // loop through tracks that are going to be provided to bufferController\n for (trackName in tracks) {\n track = tracks[trackName];\n logger.log(`main track:${trackName},container:${track.container},codecs[level/parsed]=[${track.levelCodec}/${track.codec}]`);\n let initSegment = track.initSegment;\n if (initSegment) {\n this.appended = true;\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n this.hls.trigger(Event.BUFFER_APPENDING, { type: trackName, data: initSegment, parent: 'main', content: 'initSegment' });\n }\n }\n // trigger handler right now\n this.tick();\n }\n }\n\n onFragParsingData (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n !(data.type === 'audio' && this.altAudio) && // filter out main audio if audio track is loaded through audio stream controller\n this.state === State.PARSING) {\n let level = this.levels[this.level],\n frag = fragCurrent;\n if (!Number.isFinite(data.endPTS)) {\n data.endPTS = data.startPTS + fragCurrent.duration;\n data.endDTS = data.startDTS + fragCurrent.duration;\n }\n\n if (data.hasAudio === true) {\n frag.addElementaryStream(ElementaryStreamTypes.AUDIO);\n }\n\n if (data.hasVideo === true) {\n frag.addElementaryStream(ElementaryStreamTypes.VIDEO);\n }\n\n logger.log(`Parsed ${data.type},PTS:[${data.startPTS.toFixed(3)},${data.endPTS.toFixed(3)}],DTS:[${data.startDTS.toFixed(3)}/${data.endDTS.toFixed(3)}],nb:${data.nb},dropped:${data.dropped || 0}`);\n\n // Detect gaps in a fragment and try to fix it by finding a keyframe in the previous fragment (see _findFragments)\n if (data.type === 'video') {\n frag.dropped = data.dropped;\n if (frag.dropped) {\n if (!frag.backtracked) {\n const levelDetails = level.details;\n if (levelDetails && frag.sn === levelDetails.startSN) {\n logger.warn('missing video frame(s) on first frag, appending with gap', frag.sn);\n } else {\n logger.warn('missing video frame(s), backtracking fragment', frag.sn);\n // Return back to the IDLE state without appending to buffer\n // Causes findFragments to backtrack a segment and find the keyframe\n // Audio fragments arriving before video sets the nextLoadPosition, causing _findFragments to skip the backtracked fragment\n this.fragmentTracker.removeFragment(frag);\n frag.backtracked = true;\n this.nextLoadPosition = data.startPTS;\n this.state = State.IDLE;\n this.fragPrevious = frag;\n this.tick();\n return;\n }\n } else {\n logger.warn('Already backtracked on this fragment, appending with the gap', frag.sn);\n }\n } else {\n // Only reset the backtracked flag if we've loaded the frag without any dropped frames\n frag.backtracked = false;\n }\n }\n\n let drift = LevelHelper.updateFragPTSDTS(level.details, frag, data.startPTS, data.endPTS, data.startDTS, data.endDTS),\n hls = this.hls;\n hls.trigger(Event.LEVEL_PTS_UPDATED, { details: level.details, level: this.level, drift: drift, type: data.type, start: data.startPTS, end: data.endPTS });\n // has remuxer dropped video frames located before first keyframe ?\n [data.data1, data.data2].forEach(buffer => {\n // only append in PARSING state (rationale is that an appending error could happen synchronously on first segment appending)\n // in that case it is useless to append following segments\n if (buffer && buffer.length && this.state === State.PARSING) {\n this.appended = true;\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n hls.trigger(Event.BUFFER_APPENDING, { type: data.type, data: buffer, parent: 'main', content: 'data' });\n }\n });\n // trigger handler right now\n this.tick();\n }\n }\n\n onFragParsed (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n this.stats.tparsed = window.performance.now();\n this.state = State.PARSED;\n this._checkAppendedParsed();\n }\n }\n\n onAudioTrackSwitching (data) {\n // if any URL found on new audio track, it is an alternate audio track\n let altAudio = !!data.url,\n trackId = data.id;\n // if we switch on main audio, ensure that main fragment scheduling is synced with media.buffered\n // don't do anything if we switch to alt audio: audio stream controller is handling it.\n // we will just have to change buffer scheduling on audioTrackSwitched\n if (!altAudio) {\n if (this.mediaBuffer !== this.media) {\n logger.log('switching on main audio, use media.buffered to schedule main fragment loading');\n this.mediaBuffer = this.media;\n let fragCurrent = this.fragCurrent;\n // we need to refill audio buffer from main: cancel any frag loading to speed up audio switch\n if (fragCurrent.loader) {\n logger.log('switching to main audio track, cancel main fragment load');\n fragCurrent.loader.abort();\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n // destroy demuxer to force init segment generation (following audio switch)\n if (this.demuxer) {\n this.demuxer.destroy();\n this.demuxer = null;\n }\n // switch to IDLE state to load new fragment\n this.state = State.IDLE;\n }\n let hls = this.hls;\n // switching to main audio, flush all audio and trigger track switched\n hls.trigger(Event.BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' });\n hls.trigger(Event.AUDIO_TRACK_SWITCHED, { id: trackId });\n this.altAudio = false;\n }\n }\n\n onAudioTrackSwitched (data) {\n let trackId = data.id,\n altAudio = !!this.hls.audioTracks[trackId].url;\n if (altAudio) {\n let videoBuffer = this.videoBuffer;\n // if we switched on alternate audio, ensure that main fragment scheduling is synced with video sourcebuffer buffered\n if (videoBuffer && this.mediaBuffer !== videoBuffer) {\n logger.log('switching on alternate audio, use video.buffered to schedule main fragment loading');\n this.mediaBuffer = videoBuffer;\n }\n }\n this.altAudio = altAudio;\n this.tick();\n }\n\n onBufferCreated (data) {\n let tracks = data.tracks, mediaTrack, name, alternate = false;\n for (let type in tracks) {\n let track = tracks[type];\n if (track.id === 'main') {\n name = type;\n mediaTrack = track;\n // keep video source buffer reference\n if (type === 'video') {\n this.videoBuffer = tracks[type].buffer;\n }\n } else {\n alternate = true;\n }\n }\n if (alternate && mediaTrack) {\n logger.log(`alternate track found, use ${name}.buffered to schedule main fragment loading`);\n this.mediaBuffer = mediaTrack.buffer;\n } else {\n this.mediaBuffer = this.media;\n }\n }\n\n onBufferAppended (data) {\n if (data.parent === 'main') {\n const state = this.state;\n if (state === State.PARSING || state === State.PARSED) {\n // check if all buffers have been appended\n this.pendingBuffering = (data.pending > 0);\n this._checkAppendedParsed();\n }\n }\n }\n\n _checkAppendedParsed () {\n // trigger handler right now\n if (this.state === State.PARSED && (!this.appended || !this.pendingBuffering)) {\n const frag = this.fragCurrent;\n if (frag) {\n const media = this.mediaBuffer ? this.mediaBuffer : this.media;\n logger.log(`main buffered : ${TimeRanges.toString(media.buffered)}`);\n this.fragPrevious = frag;\n const stats = this.stats;\n stats.tbuffered = window.performance.now();\n // we should get rid of this.fragLastKbps\n this.fragLastKbps = Math.round(8 * stats.total / (stats.tbuffered - stats.tfirst));\n this.hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: frag, id: 'main' });\n this.state = State.IDLE;\n }\n this.tick();\n }\n }\n\n onError (data) {\n let frag = data.frag || this.fragCurrent;\n // don't handle frag error not related to main fragment\n if (frag && frag.type !== 'main') {\n return;\n }\n\n // 0.5 : tolerance needed as some browsers stalls playback before reaching buffered end\n let mediaBuffered = !!this.media && BufferHelper.isBuffered(this.media, this.media.currentTime) && BufferHelper.isBuffered(this.media, this.media.currentTime + 0.5);\n\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n if (!data.fatal) {\n // keep retrying until the limit will be reached\n if ((this.fragLoadError + 1) <= this.config.fragLoadingMaxRetry) {\n // exponential backoff capped to config.fragLoadingMaxRetryTimeout\n let delay = Math.min(Math.pow(2, this.fragLoadError) * this.config.fragLoadingRetryDelay, this.config.fragLoadingMaxRetryTimeout);\n logger.warn(`mediaController: frag loading failed, retry in ${delay} ms`);\n this.retryDate = window.performance.now() + delay;\n // retry loading state\n // if loadedmetadata is not set, it means that we are emergency switch down on first frag\n // in that case, reset startFragRequested flag\n if (!this.loadedmetadata) {\n this.startFragRequested = false;\n this.nextLoadPosition = this.startPosition;\n }\n this.fragLoadError++;\n this.state = State.FRAG_LOADING_WAITING_RETRY;\n } else {\n logger.error(`mediaController: ${data.details} reaches max retry, redispatch as fatal ...`);\n // switch error to fatal\n data.fatal = true;\n this.state = State.ERROR;\n }\n }\n break;\n case ErrorDetails.LEVEL_LOAD_ERROR:\n case ErrorDetails.LEVEL_LOAD_TIMEOUT:\n if (this.state !== State.ERROR) {\n if (data.fatal) {\n // if fatal error, stop processing\n this.state = State.ERROR;\n logger.warn(`streamController: ${data.details},switch to ${this.state} state ...`);\n } else {\n // in case of non fatal error while loading level, if level controller is not retrying to load level , switch back to IDLE\n if (!data.levelRetry && this.state === State.WAITING_LEVEL) {\n this.state = State.IDLE;\n }\n }\n }\n break;\n case ErrorDetails.BUFFER_FULL_ERROR:\n // if in appending state\n if (data.parent === 'main' && (this.state === State.PARSING || this.state === State.PARSED)) {\n // reduce max buf len if current position is buffered\n if (mediaBuffered) {\n this._reduceMaxBufferLength(this.config.maxBufferLength);\n this.state = State.IDLE;\n } else {\n // current position is not buffered, but browser is still complaining about buffer full error\n // this happens on IE/Edge, refer to https://github.com/video-dev/hls.js/pull/708\n // in that case flush the whole buffer to recover\n logger.warn('buffer full error also media.currentTime is not buffered, flush everything');\n this.fragCurrent = null;\n // flush everything\n this.flushMainBuffer(0, Number.POSITIVE_INFINITY);\n }\n }\n break;\n default:\n break;\n }\n }\n\n _reduceMaxBufferLength (minLength) {\n let config = this.config;\n if (config.maxMaxBufferLength >= minLength) {\n // reduce max buffer length as it might be too high. we do this to avoid loop flushing ...\n config.maxMaxBufferLength /= 2;\n logger.warn(`main:reduce max buffer length to ${config.maxMaxBufferLength}s`);\n return true;\n }\n return false;\n }\n\n /**\n * Checks the health of the buffer and attempts to resolve playback stalls.\n * @private\n */\n _checkBuffer () {\n const { media } = this;\n if (!media || media.readyState === 0) {\n // Exit early if we don't have media or if the media hasn't bufferd anything yet (readyState 0)\n return;\n }\n\n const mediaBuffer = this.mediaBuffer ? this.mediaBuffer : media;\n const buffered = mediaBuffer.buffered;\n\n if (!this.loadedmetadata && buffered.length) {\n this.loadedmetadata = true;\n this._seekToStartPos();\n } else if (this.immediateSwitch) {\n this.immediateLevelSwitchEnd();\n } else {\n this.gapController.poll(this.lastCurrentTime, buffered);\n }\n }\n\n onFragLoadEmergencyAborted () {\n this.state = State.IDLE;\n // if loadedmetadata is not set, it means that we are emergency switch down on first frag\n // in that case, reset startFragRequested flag\n if (!this.loadedmetadata) {\n this.startFragRequested = false;\n this.nextLoadPosition = this.startPosition;\n }\n this.tick();\n }\n\n onBufferFlushed () {\n /* after successful buffer flushing, filter flushed fragments from bufferedFrags\n use mediaBuffered instead of media (so that we will check against video.buffered ranges in case of alt audio track)\n */\n const media = this.mediaBuffer ? this.mediaBuffer : this.media;\n if (media) {\n // filter fragments potentially evicted from buffer. this is to avoid memleak on live streams\n this.fragmentTracker.detectEvictedFragments(ElementaryStreamTypes.VIDEO, media.buffered);\n }\n // move to IDLE once flush complete. this should trigger new fragment loading\n this.state = State.IDLE;\n // reset reference to frag\n this.fragPrevious = null;\n }\n\n swapAudioCodec () {\n this.audioCodecSwap = !this.audioCodecSwap;\n }\n /**\n * Seeks to the set startPosition if not equal to the mediaElement's current time.\n * @private\n */\n _seekToStartPos () {\n const { media } = this;\n const currentTime = media.currentTime;\n // only adjust currentTime if different from startPosition or if startPosition not buffered\n // at that stage, there should be only one buffered range, as we reach that code after first fragment has been buffered\n const startPosition = media.seeking ? currentTime : this.startPosition;\n // if currentTime not matching with expected startPosition or startPosition not buffered but close to first buffered\n if (currentTime !== startPosition && startPosition >= 0) {\n // if startPosition not buffered, let's seek to buffered.start(0)\n logger.log(`target start position not buffered, seek to buffered.start(0) ${startPosition} from current time ${currentTime} `);\n media.currentTime = startPosition;\n }\n }\n\n _getAudioCodec (currentLevel) {\n let audioCodec = this.config.defaultAudioCodec || currentLevel.audioCodec;\n if (this.audioCodecSwap) {\n logger.log('swapping playlist audio codec');\n if (audioCodec) {\n if (audioCodec.indexOf('mp4a.40.5') !== -1) {\n audioCodec = 'mp4a.40.2';\n } else {\n audioCodec = 'mp4a.40.5';\n }\n }\n }\n\n return audioCodec;\n }\n\n get liveSyncPosition () {\n return this._liveSyncPosition;\n }\n\n set liveSyncPosition (value) {\n this._liveSyncPosition = value;\n }\n}\nexport default StreamController;\n","/*\n * Level Controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { isCodecSupportedInMp4 } from '../utils/codecs';\nimport { addGroupId, computeReloadInterval } from './level-helper';\n\nconst { performance } = window;\nlet chromeOrFirefox;\n\nexport default class LevelController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.MANIFEST_LOADED,\n Event.LEVEL_LOADED,\n Event.AUDIO_TRACK_SWITCHED,\n Event.FRAG_LOADED,\n Event.ERROR);\n\n this.canload = false;\n this.currentLevelIndex = null;\n this.manualLevelIndex = -1;\n this.timer = null;\n\n chromeOrFirefox = /chrome|firefox/.test(navigator.userAgent.toLowerCase());\n }\n\n onHandlerDestroying () {\n this.clearTimer();\n this.manualLevelIndex = -1;\n }\n\n clearTimer () {\n if (this.timer !== null) {\n clearTimeout(this.timer);\n this.timer = null;\n }\n }\n\n startLoad () {\n let levels = this._levels;\n\n this.canload = true;\n this.levelRetryCount = 0;\n\n // clean up live level details to force reload them, and reset load errors\n if (levels) {\n levels.forEach(level => {\n level.loadError = 0;\n const levelDetails = level.details;\n if (levelDetails && levelDetails.live) {\n level.details = undefined;\n }\n });\n }\n // speed up live playlist refresh if timer exists\n if (this.timer !== null) {\n this.loadLevel();\n }\n }\n\n stopLoad () {\n this.canload = false;\n }\n\n onManifestLoaded (data) {\n let levels = [];\n let audioTracks = [];\n let bitrateStart;\n let levelSet = {};\n let levelFromSet = null;\n let videoCodecFound = false;\n let audioCodecFound = false;\n\n // regroup redundant levels together\n data.levels.forEach(level => {\n const attributes = level.attrs;\n level.loadError = 0;\n level.fragmentError = false;\n\n videoCodecFound = videoCodecFound || !!level.videoCodec;\n audioCodecFound = audioCodecFound || !!level.audioCodec;\n\n // erase audio codec info if browser does not support mp4a.40.34.\n // demuxer will autodetect codec and fallback to mpeg/audio\n if (chromeOrFirefox && level.audioCodec && level.audioCodec.indexOf('mp4a.40.34') !== -1) {\n level.audioCodec = undefined;\n }\n\n levelFromSet = levelSet[level.bitrate]; // FIXME: we would also have to match the resolution here\n\n if (!levelFromSet) {\n level.url = [level.url];\n level.urlId = 0;\n levelSet[level.bitrate] = level;\n levels.push(level);\n } else {\n levelFromSet.url.push(level.url);\n }\n\n if (attributes) {\n if (attributes.AUDIO) {\n audioCodecFound = true;\n addGroupId(levelFromSet || level, 'audio', attributes.AUDIO);\n }\n if (attributes.SUBTITLES) {\n addGroupId(levelFromSet || level, 'text', attributes.SUBTITLES);\n }\n }\n });\n\n // remove audio-only level if we also have levels with audio+video codecs signalled\n if (videoCodecFound && audioCodecFound) {\n levels = levels.filter(({ videoCodec }) => !!videoCodec);\n }\n\n // only keep levels with supported audio/video codecs\n levels = levels.filter(({ audioCodec, videoCodec }) => {\n return (!audioCodec || isCodecSupportedInMp4(audioCodec, 'audio')) && (!videoCodec || isCodecSupportedInMp4(videoCodec, 'video'));\n });\n\n if (data.audioTracks) {\n audioTracks = data.audioTracks.filter(track => !track.audioCodec || isCodecSupportedInMp4(track.audioCodec, 'audio'));\n // Reassign id's after filtering since they're used as array indices\n audioTracks.forEach((track, index) => {\n track.id = index;\n });\n }\n\n if (levels.length > 0) {\n // start bitrate is the first bitrate of the manifest\n bitrateStart = levels[0].bitrate;\n // sort level on bitrate\n levels.sort((a, b) => a.bitrate - b.bitrate);\n this._levels = levels;\n // find index of first level in sorted levels\n for (let i = 0; i < levels.length; i++) {\n if (levels[i].bitrate === bitrateStart) {\n this._firstLevel = i;\n logger.log(`manifest loaded,${levels.length} level(s) found, first bitrate:${bitrateStart}`);\n break;\n }\n }\n\n // Audio is only alternate if manifest include a URI along with the audio group tag\n this.hls.trigger(Event.MANIFEST_PARSED, {\n levels,\n audioTracks,\n firstLevel: this._firstLevel,\n stats: data.stats,\n audio: audioCodecFound,\n video: videoCodecFound,\n altAudio: audioTracks.some(t => !!t.url)\n });\n } else {\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.MANIFEST_INCOMPATIBLE_CODECS_ERROR,\n fatal: true,\n url: this.hls.url,\n reason: 'no level with compatible codecs found in manifest'\n });\n }\n }\n\n get levels () {\n return this._levels;\n }\n\n get level () {\n return this.currentLevelIndex;\n }\n\n set level (newLevel) {\n let levels = this._levels;\n if (levels) {\n newLevel = Math.min(newLevel, levels.length - 1);\n if (this.currentLevelIndex !== newLevel || !levels[newLevel].details) {\n this.setLevelInternal(newLevel);\n }\n }\n }\n\n setLevelInternal (newLevel) {\n const levels = this._levels;\n const hls = this.hls;\n // check if level idx is valid\n if (newLevel >= 0 && newLevel < levels.length) {\n // stopping live reloading timer if any\n this.clearTimer();\n if (this.currentLevelIndex !== newLevel) {\n logger.log(`switching to level ${newLevel}`);\n this.currentLevelIndex = newLevel;\n const levelProperties = levels[newLevel];\n levelProperties.level = newLevel;\n hls.trigger(Event.LEVEL_SWITCHING, levelProperties);\n }\n const level = levels[newLevel];\n const levelDetails = level.details;\n\n // check if we need to load playlist for this level\n if (!levelDetails || levelDetails.live) {\n // level not retrieved yet, or live playlist we need to (re)load it\n let urlId = level.urlId;\n hls.trigger(Event.LEVEL_LOADING, { url: level.url[urlId], level: newLevel, id: urlId });\n }\n } else {\n // invalid level id given, trigger error\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.OTHER_ERROR,\n details: ErrorDetails.LEVEL_SWITCH_ERROR,\n level: newLevel,\n fatal: false,\n reason: 'invalid level idx'\n });\n }\n }\n\n get manualLevel () {\n return this.manualLevelIndex;\n }\n\n set manualLevel (newLevel) {\n this.manualLevelIndex = newLevel;\n if (this._startLevel === undefined) {\n this._startLevel = newLevel;\n }\n\n if (newLevel !== -1) {\n this.level = newLevel;\n }\n }\n\n get firstLevel () {\n return this._firstLevel;\n }\n\n set firstLevel (newLevel) {\n this._firstLevel = newLevel;\n }\n\n get startLevel () {\n // hls.startLevel takes precedence over config.startLevel\n // if none of these values are defined, fallback on this._firstLevel (first quality level appearing in variant manifest)\n if (this._startLevel === undefined) {\n let configStartLevel = this.hls.config.startLevel;\n if (configStartLevel !== undefined) {\n return configStartLevel;\n } else {\n return this._firstLevel;\n }\n } else {\n return this._startLevel;\n }\n }\n\n set startLevel (newLevel) {\n this._startLevel = newLevel;\n }\n\n onError (data) {\n if (data.fatal) {\n if (data.type === ErrorTypes.NETWORK_ERROR) {\n this.clearTimer();\n }\n\n return;\n }\n\n let levelError = false, fragmentError = false;\n let levelIndex;\n\n // try to recover not fatal errors\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n levelIndex = data.frag.level;\n fragmentError = true;\n break;\n case ErrorDetails.LEVEL_LOAD_ERROR:\n case ErrorDetails.LEVEL_LOAD_TIMEOUT:\n levelIndex = data.context.level;\n levelError = true;\n break;\n case ErrorDetails.REMUX_ALLOC_ERROR:\n levelIndex = data.level;\n levelError = true;\n break;\n }\n\n if (levelIndex !== undefined) {\n this.recoverLevel(data, levelIndex, levelError, fragmentError);\n }\n }\n\n /**\n * Switch to a redundant stream if any available.\n * If redundant stream is not available, emergency switch down if ABR mode is enabled.\n *\n * @param {Object} errorEvent\n * @param {Number} levelIndex current level index\n * @param {Boolean} levelError\n * @param {Boolean} fragmentError\n */\n // FIXME Find a better abstraction where fragment/level retry management is well decoupled\n recoverLevel (errorEvent, levelIndex, levelError, fragmentError) {\n let { config } = this.hls;\n let { details: errorDetails } = errorEvent;\n let level = this._levels[levelIndex];\n let redundantLevels, delay, nextLevel;\n\n level.loadError++;\n level.fragmentError = fragmentError;\n\n if (levelError) {\n if ((this.levelRetryCount + 1) <= config.levelLoadingMaxRetry) {\n // exponential backoff capped to max retry timeout\n delay = Math.min(Math.pow(2, this.levelRetryCount) * config.levelLoadingRetryDelay, config.levelLoadingMaxRetryTimeout);\n // Schedule level reload\n this.timer = setTimeout(() => this.loadLevel(), delay);\n // boolean used to inform stream controller not to switch back to IDLE on non fatal error\n errorEvent.levelRetry = true;\n this.levelRetryCount++;\n logger.warn(`level controller, ${errorDetails}, retry in ${delay} ms, current retry count is ${this.levelRetryCount}`);\n } else {\n logger.error(`level controller, cannot recover from ${errorDetails} error`);\n this.currentLevelIndex = null;\n // stopping live reloading timer if any\n this.clearTimer();\n // switch error to fatal\n errorEvent.fatal = true;\n return;\n }\n }\n\n // Try any redundant streams if available for both errors: level and fragment\n // If level.loadError reaches redundantLevels it means that we tried them all, no hope => let's switch down\n if (levelError || fragmentError) {\n redundantLevels = level.url.length;\n\n if (redundantLevels > 1 && level.loadError < redundantLevels) {\n level.urlId = (level.urlId + 1) % redundantLevels;\n level.details = undefined;\n\n logger.warn(`level controller, ${errorDetails} for level ${levelIndex}: switching to redundant URL-id ${level.urlId}`);\n\n // console.log('Current audio track group ID:', this.hls.audioTracks[this.hls.audioTrack].groupId);\n // console.log('New video quality level audio group id:', level.attrs.AUDIO);\n } else {\n // Search for available level\n if (this.manualLevelIndex === -1) {\n // When lowest level has been reached, let's start hunt from the top\n nextLevel = (levelIndex === 0) ? this._levels.length - 1 : levelIndex - 1;\n logger.warn(`level controller, ${errorDetails}: switch to ${nextLevel}`);\n this.hls.nextAutoLevel = this.currentLevelIndex = nextLevel;\n } else if (fragmentError) {\n // Allow fragment retry as long as configuration allows.\n // reset this._level so that another call to set level() will trigger again a frag load\n logger.warn(`level controller, ${errorDetails}: reload a fragment`);\n this.currentLevelIndex = null;\n }\n }\n }\n }\n\n // reset errors on the successful load of a fragment\n onFragLoaded ({ frag }) {\n if (frag !== undefined && frag.type === 'main') {\n const level = this._levels[frag.level];\n if (level !== undefined) {\n level.fragmentError = false;\n level.loadError = 0;\n this.levelRetryCount = 0;\n }\n }\n }\n\n onLevelLoaded (data) {\n const { level, details } = data;\n // only process level loaded events matching with expected level\n if (level !== this.currentLevelIndex) {\n return;\n }\n\n const curLevel = this._levels[level];\n // reset level load error counter on successful level loaded only if there is no issues with fragments\n if (!curLevel.fragmentError) {\n curLevel.loadError = 0;\n this.levelRetryCount = 0;\n }\n // if current playlist is a live playlist, arm a timer to reload it\n if (details.live) {\n const reloadInterval = computeReloadInterval(curLevel.details, details, data.stats.trequest);\n logger.log(`live playlist, reload in ${Math.round(reloadInterval)} ms`);\n this.timer = setTimeout(() => this.loadLevel(), reloadInterval);\n } else {\n this.clearTimer();\n }\n }\n\n onAudioTrackSwitched (data) {\n const audioGroupId = this.hls.audioTracks[data.id].groupId;\n\n const currentLevel = this.hls.levels[this.currentLevelIndex];\n if (!currentLevel) {\n return;\n }\n\n if (currentLevel.audioGroupIds) {\n let urlId = -1;\n\n for (let i = 0; i < currentLevel.audioGroupIds.length; i++) {\n if (currentLevel.audioGroupIds[i] === audioGroupId) {\n urlId = i;\n break;\n }\n }\n\n if (urlId !== currentLevel.urlId) {\n currentLevel.urlId = urlId;\n this.startLoad();\n }\n }\n }\n\n loadLevel () {\n logger.debug('call to loadLevel');\n\n if (this.currentLevelIndex !== null && this.canload) {\n const levelObject = this._levels[this.currentLevelIndex];\n\n if (typeof levelObject === 'object' &&\n levelObject.url.length > 0) {\n const level = this.currentLevelIndex;\n const id = levelObject.urlId;\n const url = levelObject.url[id];\n\n logger.log(`Attempt loading level index ${level} with URL-id ${id}`);\n\n // console.log('Current audio track group ID:', this.hls.audioTracks[this.hls.audioTrack].groupId);\n // console.log('New video quality level audio group id:', levelObject.attrs.AUDIO, level);\n\n this.hls.trigger(Event.LEVEL_LOADING, { url, level, id });\n }\n }\n }\n\n get nextLoadLevel () {\n if (this.manualLevelIndex !== -1) {\n return this.manualLevelIndex;\n } else {\n return this.hls.nextAutoLevel;\n }\n }\n\n set nextLoadLevel (nextLevel) {\n this.level = nextLevel;\n if (this.manualLevelIndex === -1) {\n this.hls.nextAutoLevel = nextLevel;\n }\n }\n}\n","\nexport function sendAddTrackEvent (track: TextTrack, videoEl: HTMLMediaElement) {\n let event: Event;\n try {\n event = new Event('addtrack');\n } catch (err) {\n // for IE11\n event = document.createEvent('Event');\n event.initEvent('addtrack', false, false);\n }\n (event as any).track = track;\n videoEl.dispatchEvent(event);\n}\n\nexport function clearCurrentCues (track: TextTrack) {\n if (track && track.cues) {\n while (track.cues.length > 0) {\n track.removeCue(track.cues[0]);\n }\n }\n}\n\n/**\n\n * Given a list of Cues, finds the closest cue matching the given time.\n * Modified verison of binary search O(log(n)).\n *\n * @export\n * @param {(TextTrackCueList | TextTrackCue[])} cues - List of cues.\n * @param {number} time - Target time, to find closest cue to.\n * @returns {TextTrackCue}\n */\nexport function getClosestCue (cues: TextTrackCueList | TextTrackCue[], time: number): TextTrackCue {\n // If the offset is less than the first element, the first element is the closest.\n if (time < cues[0].endTime) {\n return cues[0];\n }\n // If the offset is greater than the last cue, the last is the closest.\n if (time > cues[cues.length - 1].endTime) {\n return cues[cues.length - 1];\n }\n\n let left = 0;\n let right = cues.length - 1;\n\n while (left <= right) {\n const mid = Math.floor((right + left) / 2);\n\n if (time < cues[mid].endTime) {\n right = mid - 1;\n } else if (time > cues[mid].endTime) {\n left = mid + 1;\n } else {\n // If it's not lower or higher, it must be equal.\n return cues[mid];\n }\n }\n // At this point, left and right have swapped.\n // No direct match was found, left or right element must be the closest. Check which one has the smallest diff.\n return (cues[left].endTime - time) < (time - cues[right].endTime) ? cues[left] : cues[right];\n}\n","/*\n * id3 metadata track controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport ID3 from '../demux/id3';\nimport { logger } from '../utils/logger';\nimport { sendAddTrackEvent, clearCurrentCues, getClosestCue } from '../utils/texttrack-utils';\n\nclass ID3TrackController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.FRAG_PARSING_METADATA,\n Event.LIVE_BACK_BUFFER_REACHED\n );\n\n this.id3Track = undefined;\n this.media = undefined;\n }\n\n destroy () {\n EventHandler.prototype.destroy.call(this);\n }\n\n // Add ID3 metatadata text track.\n onMediaAttached (data) {\n this.media = data.media;\n if (!this.media) {\n\n }\n }\n\n onMediaDetaching () {\n clearCurrentCues(this.id3Track);\n this.id3Track = undefined;\n this.media = undefined;\n }\n\n getID3Track (textTracks) {\n for (let i = 0; i < textTracks.length; i++) {\n let textTrack = textTracks[i];\n if (textTrack.kind === 'metadata' && textTrack.label === 'id3') {\n // send 'addtrack' when reusing the textTrack for metadata,\n // same as what we do for captions\n sendAddTrackEvent(textTrack, this.media);\n\n return textTrack;\n }\n }\n return this.media.addTextTrack('metadata', 'id3');\n }\n\n onLiveBackBufferReached ({ bufferEnd }) {\n if (!this.id3Track || !this.id3Track.cues || !this.id3Track.cues.length) {\n return;\n }\n const foundCue = getClosestCue(this.id3Track.cues, bufferEnd);\n if (!foundCue) {\n return;\n }\n\n let removeCues = true;\n while (removeCues) {\n const cue = this.id3Track.cues[0];\n if (!this.id3Track.cues.length || cue.id === foundCue.id) {\n removeCues = false;\n return;\n }\n this.id3Track.removeCue(cue);\n }\n }\n\n onFragParsingMetadata (data) {\n const fragment = data.frag;\n const samples = data.samples;\n\n // create track dynamically\n if (!this.id3Track) {\n this.id3Track = this.getID3Track(this.media.textTracks);\n this.id3Track.mode = 'hidden';\n }\n\n // Attempt to recreate Safari functionality by creating\n // WebKitDataCue objects when available and store the decoded\n // ID3 data in the value property of the cue\n let Cue = window.WebKitDataCue || window.VTTCue || window.TextTrackCue;\n\n for (let i = 0; i < samples.length; i++) {\n const frames = ID3.getID3Frames(samples[i].data);\n if (frames) {\n const startTime = samples[i].pts;\n let endTime = i < samples.length - 1 ? samples[i + 1].pts : fragment.endPTS;\n\n if (startTime === endTime) {\n // Give a slight bump to the endTime if it's equal to startTime to avoid a SyntaxError in IE\n endTime += 0.0001;\n } else if (startTime > endTime) {\n logger.warn('detected an id3 sample with endTime < startTime, adjusting endTime to (startTime + 0.25)');\n endTime = startTime + 0.25;\n }\n\n for (let j = 0; j < frames.length; j++) {\n const frame = frames[j];\n // Safari doesn't put the timestamp frame in the TextTrack\n if (!ID3.isTimeStampFrame(frame)) {\n const cue = new Cue(startTime, endTime, '');\n cue.value = frame;\n this.id3Track.addCue(cue);\n }\n }\n }\n }\n }\n\n onLiveBackBufferReached ({ bufferEnd }) {\n const { id3Track } = this;\n if (!id3Track || !id3Track.cues || !id3Track.cues.length) {\n return;\n }\n const foundCue = getClosestCue(id3Track.cues, bufferEnd);\n if (!foundCue) {\n return;\n }\n while (id3Track.cues[0] !== foundCue) {\n id3Track.removeCue(id3Track.cues[0]);\n }\n }\n}\n\nexport default ID3TrackController;\n","import { getMediaSource } from './utils/mediasource-helper';\n\nexport function isSupported (): boolean {\n const mediaSource = getMediaSource();\n if (!mediaSource) {\n return false;\n }\n const sourceBuffer = self.SourceBuffer || (self as any).WebKitSourceBuffer as SourceBuffer;\n const isTypeSupported = mediaSource &&\n typeof mediaSource.isTypeSupported === 'function' &&\n mediaSource.isTypeSupported('video/mp4; codecs=\"avc1.42E01E,mp4a.40.2\"');\n\n // if SourceBuffer is exposed ensure its API is valid\n // safari and old version of Chrome doe not expose SourceBuffer globally so checking SourceBuffer.prototype is impossible\n const sourceBufferValidAPI = !sourceBuffer ||\n (sourceBuffer.prototype &&\n typeof sourceBuffer.prototype.appendBuffer === 'function' &&\n typeof sourceBuffer.prototype.remove === 'function');\n return !!isTypeSupported && !!sourceBufferValidAPI;\n}\n","/*\n * compute an Exponential Weighted moving average\n * - https://en.wikipedia.org/wiki/Moving_average#Exponential_moving_average\n * - heavily inspired from shaka-player\n */\n\nclass EWMA {\n private alpha_: number;\n private estimate_: number;\n private totalWeight_: number;\n\n // About half of the estimated value will be from the last |halfLife| samples by weight.\n constructor (halfLife: number) {\n // Larger values of alpha expire historical data more slowly.\n this.alpha_ = halfLife ? Math.exp(Math.log(0.5) / halfLife) : 0;\n this.estimate_ = 0;\n this.totalWeight_ = 0;\n }\n\n sample (weight: number, value: number) {\n let adjAlpha = Math.pow(this.alpha_, weight);\n this.estimate_ = value * (1 - adjAlpha) + adjAlpha * this.estimate_;\n this.totalWeight_ += weight;\n }\n\n getTotalWeight (): number {\n return this.totalWeight_;\n }\n\n getEstimate (): number {\n if (this.alpha_) {\n let zeroFactor = 1 - Math.pow(this.alpha_, this.totalWeight_);\n return this.estimate_ / zeroFactor;\n } else {\n return this.estimate_;\n }\n }\n}\n\nexport default EWMA;\n","/*\n * EWMA Bandwidth Estimator\n * - heavily inspired from shaka-player\n * Tracks bandwidth samples and estimates available bandwidth.\n * Based on the minimum of two exponentially-weighted moving averages with\n * different half-lives.\n */\n\nimport EWMA from '../utils/ewma';\n\nclass EwmaBandWidthEstimator {\n hls: any;\n\n private defaultEstimate_: number;\n private minWeight_: number;\n private minDelayMs_: number;\n private slow_: EWMA;\n private fast_: EWMA;\n\n // TODO(typescript-hls)\n constructor (hls: any, slow: number, fast: number, defaultEstimate: number) {\n this.hls = hls;\n this.defaultEstimate_ = defaultEstimate;\n this.minWeight_ = 0.001;\n this.minDelayMs_ = 50;\n this.slow_ = new EWMA(slow);\n this.fast_ = new EWMA(fast);\n }\n\n sample (durationMs: number, numBytes: number) {\n durationMs = Math.max(durationMs, this.minDelayMs_);\n let numBits = 8 * numBytes,\n // weight is duration in seconds\n durationS = durationMs / 1000,\n // value is bandwidth in bits/s\n bandwidthInBps = numBits / durationS;\n this.fast_.sample(durationS, bandwidthInBps);\n this.slow_.sample(durationS, bandwidthInBps);\n }\n\n canEstimate (): boolean {\n let fast = this.fast_;\n return (fast && fast.getTotalWeight() >= this.minWeight_);\n }\n\n getEstimate (): number {\n if (this.canEstimate()) {\n // console.log('slow estimate:'+ Math.round(this.slow_.getEstimate()));\n // console.log('fast estimate:'+ Math.round(this.fast_.getEstimate()));\n // Take the minimum of these two estimates. This should have the effect of\n // adapting down quickly, but up more slowly.\n return Math.min(this.fast_.getEstimate(), this.slow_.getEstimate());\n } else {\n return this.defaultEstimate_;\n }\n }\n\n destroy () {\n }\n}\nexport default EwmaBandWidthEstimator;\n","/*\n * simple ABR Controller\n * - compute next level based on last fragment bw heuristics\n * - implement an abandon rules triggered if we have less than 2 frag buffered and if computed bw shows that we risk buffer stalling\n */\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport { ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport EwmaBandWidthEstimator from '../utils/ewma-bandwidth-estimator';\n\nconst { performance } = window;\n\nclass AbrController extends EventHandler {\n constructor (hls) {\n super(hls, Event.FRAG_LOADING,\n Event.FRAG_LOADED,\n Event.FRAG_BUFFERED,\n Event.ERROR);\n this.lastLoadedFragLevel = 0;\n this._nextAutoLevel = -1;\n this.hls = hls;\n this.timer = null;\n this._bwEstimator = null;\n this.onCheck = this._abandonRulesCheck.bind(this);\n }\n\n destroy () {\n this.clearTimer();\n EventHandler.prototype.destroy.call(this);\n }\n\n onFragLoading (data) {\n const frag = data.frag;\n if (frag.type === 'main') {\n if (!this.timer) {\n this.fragCurrent = frag;\n this.timer = setInterval(this.onCheck, 100);\n }\n\n // lazy init of BwEstimator, rationale is that we use different params for Live/VoD\n // so we need to wait for stream manifest / playlist type to instantiate it.\n if (!this._bwEstimator) {\n const hls = this.hls;\n const config = hls.config;\n const level = frag.level;\n const isLive = hls.levels[level].details.live;\n\n let ewmaFast;\n let ewmaSlow;\n if (isLive) {\n ewmaFast = config.abrEwmaFastLive;\n ewmaSlow = config.abrEwmaSlowLive;\n } else {\n ewmaFast = config.abrEwmaFastVoD;\n ewmaSlow = config.abrEwmaSlowVoD;\n }\n this._bwEstimator = new EwmaBandWidthEstimator(hls, ewmaSlow, ewmaFast, config.abrEwmaDefaultEstimate);\n }\n }\n }\n\n _abandonRulesCheck () {\n /*\n monitor fragment retrieval time...\n we compute expected time of arrival of the complete fragment.\n we compare it to expected time of buffer starvation\n */\n const hls = this.hls;\n const video = hls.media;\n const frag = this.fragCurrent;\n\n if (!frag) {\n return;\n }\n\n const loader = frag.loader;\n const minAutoLevel = hls.minAutoLevel;\n\n // if loader has been destroyed or loading has been aborted, stop timer and return\n if (!loader || (loader.stats && loader.stats.aborted)) {\n logger.warn('frag loader destroy or aborted, disarm abandonRules');\n this.clearTimer();\n // reset forced auto level value so that next level will be selected\n this._nextAutoLevel = -1;\n return;\n }\n let stats = loader.stats;\n /* only monitor frag retrieval time if\n (video not paused OR first fragment being loaded(ready state === HAVE_NOTHING = 0)) AND autoswitching enabled AND not lowest level (=> means that we have several levels) */\n if (video && stats && ((!video.paused && (video.playbackRate !== 0)) || !video.readyState) && frag.autoLevel && frag.level) {\n const requestDelay = performance.now() - stats.trequest;\n const playbackRate = Math.abs(video.playbackRate);\n\n // monitor fragment load progress after half of expected fragment duration,to stabilize bitrate\n if (requestDelay > (500 * frag.duration / playbackRate)) {\n const levels = hls.levels;\n const loadRate = Math.max(1, stats.bw ? stats.bw / 8 : stats.loaded * 1000 / requestDelay); // byte/s; at least 1 byte/s to avoid division by zero\n\n // compute expected fragment length using frag duration and level bitrate. also ensure that expected len is gte than already loaded size\n const level = levels[frag.level];\n const levelBitrate = level.realBitrate ? Math.max(level.realBitrate, level.bitrate) : level.bitrate;\n const expectedLen = stats.total ? stats.total : Math.max(stats.loaded, Math.round(frag.duration * levelBitrate / 8));\n const pos = video.currentTime;\n const fragLoadedDelay = (expectedLen - stats.loaded) / loadRate;\n const bufferStarvationDelay = (BufferHelper.bufferInfo(video, pos, hls.config.maxBufferHole).end - pos) / playbackRate;\n\n // consider emergency switch down only if we have less than 2 frag buffered AND\n // time to finish loading current fragment is bigger than buffer starvation delay\n // ie if we risk buffer starvation if bw does not increase quickly\n if ((bufferStarvationDelay < (2 * frag.duration / playbackRate)) && (fragLoadedDelay > bufferStarvationDelay)) {\n let fragLevelNextLoadedDelay;\n let nextLoadLevel;\n // lets iterate through lower level and try to find the biggest one that could avoid rebuffering\n // we start from current level - 1 and we step down , until we find a matching level\n for (nextLoadLevel = frag.level - 1; nextLoadLevel > minAutoLevel; nextLoadLevel--) {\n // compute time to load next fragment at lower level\n // 0.8 : consider only 80% of current bw to be conservative\n // 8 = bits per byte (bps/Bps)\n const levelNextBitrate = levels[nextLoadLevel].realBitrate\n ? Math.max(levels[nextLoadLevel].realBitrate, levels[nextLoadLevel].bitrate)\n : levels[nextLoadLevel].bitrate;\n\n const fragLevelNextLoadedDelay = frag.duration * levelNextBitrate / (8 * 0.8 * loadRate);\n\n if (fragLevelNextLoadedDelay < bufferStarvationDelay) {\n // we found a lower level that be rebuffering free with current estimated bw !\n break;\n }\n }\n // only emergency switch down if it takes less time to load new fragment at lowest level instead\n // of finishing loading current one ...\n if (fragLevelNextLoadedDelay < fragLoadedDelay) {\n logger.warn(`loading too slow, abort fragment loading and switch to level ${nextLoadLevel}:fragLoadedDelay[${nextLoadLevel}]<fragLoadedDelay[${frag.level - 1}];bufferStarvationDelay:${fragLevelNextLoadedDelay.toFixed(1)}<${fragLoadedDelay.toFixed(1)}:${bufferStarvationDelay.toFixed(1)}`);\n // force next load level in auto mode\n hls.nextLoadLevel = nextLoadLevel;\n // update bw estimate for this fragment before cancelling load (this will help reducing the bw)\n this._bwEstimator.sample(requestDelay, stats.loaded);\n // abort fragment loading\n loader.abort();\n // stop abandon rules timer\n this.clearTimer();\n hls.trigger(Event.FRAG_LOAD_EMERGENCY_ABORTED, { frag: frag, stats: stats });\n }\n }\n }\n }\n }\n\n onFragLoaded (data) {\n const frag = data.frag;\n if (frag.type === 'main' && Number.isFinite(frag.sn)) {\n // stop monitoring bw once frag loaded\n this.clearTimer();\n // store level id after successful fragment load\n this.lastLoadedFragLevel = frag.level;\n // reset forced auto level value so that next level will be selected\n this._nextAutoLevel = -1;\n\n // compute level average bitrate\n if (this.hls.config.abrMaxWithRealBitrate) {\n const level = this.hls.levels[frag.level];\n let loadedBytes = (level.loaded ? level.loaded.bytes : 0) + data.stats.loaded;\n let loadedDuration = (level.loaded ? level.loaded.duration : 0) + data.frag.duration;\n level.loaded = { bytes: loadedBytes, duration: loadedDuration };\n level.realBitrate = Math.round(8 * loadedBytes / loadedDuration);\n }\n // if fragment has been loaded to perform a bitrate test,\n if (data.frag.bitrateTest) {\n let stats = data.stats;\n stats.tparsed = stats.tbuffered = stats.tload;\n this.onFragBuffered(data);\n }\n }\n }\n\n onFragBuffered (data) {\n const stats = data.stats;\n const frag = data.frag;\n // only update stats on first frag buffering\n // if same frag is loaded multiple times, it might be in browser cache, and loaded quickly\n // and leading to wrong bw estimation\n // on bitrate test, also only update stats once (if tload = tbuffered == on FRAG_LOADED)\n if (stats.aborted !== true && frag.type === 'main' && Number.isFinite(frag.sn) && ((!frag.bitrateTest || stats.tload === stats.tbuffered))) {\n // use tparsed-trequest instead of tbuffered-trequest to compute fragLoadingProcessing; rationale is that buffer appending only happens once media is attached\n // in case we use config.startFragPrefetch while media is not attached yet, fragment might be parsed while media not attached yet, but it will only be buffered on media attached\n // as a consequence it could happen really late in the process. meaning that appending duration might appears huge ... leading to underestimated throughput estimation\n let fragLoadingProcessingMs = stats.tparsed - stats.trequest;\n logger.log(`latency/loading/parsing/append/kbps:${Math.round(stats.tfirst - stats.trequest)}/${Math.round(stats.tload - stats.tfirst)}/${Math.round(stats.tparsed - stats.tload)}/${Math.round(stats.tbuffered - stats.tparsed)}/${Math.round(8 * stats.loaded / (stats.tbuffered - stats.trequest))}`);\n this._bwEstimator.sample(fragLoadingProcessingMs, stats.loaded);\n stats.bwEstimate = this._bwEstimator.getEstimate();\n // if fragment has been loaded to perform a bitrate test, (hls.startLevel = -1), store bitrate test delay duration\n if (frag.bitrateTest) {\n this.bitrateTestDelay = fragLoadingProcessingMs / 1000;\n } else {\n this.bitrateTestDelay = 0;\n }\n }\n }\n\n onError (data) {\n // stop timer in case of frag loading error\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n this.clearTimer();\n break;\n default:\n break;\n }\n }\n\n clearTimer () {\n clearInterval(this.timer);\n this.timer = null;\n }\n\n // return next auto level\n get nextAutoLevel () {\n const forcedAutoLevel = this._nextAutoLevel;\n const bwEstimator = this._bwEstimator;\n // in case next auto level has been forced, and bw not available or not reliable, return forced value\n if (forcedAutoLevel !== -1 && (!bwEstimator || !bwEstimator.canEstimate())) {\n return forcedAutoLevel;\n }\n\n // compute next level using ABR logic\n let nextABRAutoLevel = this._nextABRAutoLevel;\n // if forced auto level has been defined, use it to cap ABR computed quality level\n if (forcedAutoLevel !== -1) {\n nextABRAutoLevel = Math.min(forcedAutoLevel, nextABRAutoLevel);\n }\n\n return nextABRAutoLevel;\n }\n get _nextABRAutoLevel () {\n let hls = this.hls;\n const { maxAutoLevel, levels, config, minAutoLevel } = hls;\n const video = hls.media;\n const currentLevel = this.lastLoadedFragLevel;\n const currentFragDuration = this.fragCurrent ? this.fragCurrent.duration : 0;\n const pos = (video ? video.currentTime : 0);\n\n // playbackRate is the absolute value of the playback rate; if video.playbackRate is 0, we use 1 to load as\n // if we're playing back at the normal rate.\n const playbackRate = ((video && (video.playbackRate !== 0)) ? Math.abs(video.playbackRate) : 1.0);\n const avgbw = this._bwEstimator ? this._bwEstimator.getEstimate() : config.abrEwmaDefaultEstimate;\n // bufferStarvationDelay is the wall-clock time left until the playback buffer is exhausted.\n const bufferStarvationDelay = (BufferHelper.bufferInfo(video, pos, config.maxBufferHole).end - pos) / playbackRate;\n\n // First, look to see if we can find a level matching with our avg bandwidth AND that could also guarantee no rebuffering at all\n let bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay, config.abrBandWidthFactor, config.abrBandWidthUpFactor, levels);\n if (bestLevel >= 0) {\n return bestLevel;\n } else {\n logger.trace('rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering');\n // not possible to get rid of rebuffering ... let's try to find level that will guarantee less than maxStarvationDelay of rebuffering\n // if no matching level found, logic will return 0\n let maxStarvationDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxStarvationDelay) : config.maxStarvationDelay;\n let bwFactor = config.abrBandWidthFactor;\n let bwUpFactor = config.abrBandWidthUpFactor;\n\n if (bufferStarvationDelay === 0) {\n // in case buffer is empty, let's check if previous fragment was loaded to perform a bitrate test\n let bitrateTestDelay = this.bitrateTestDelay;\n if (bitrateTestDelay) {\n // if it is the case, then we need to adjust our max starvation delay using maxLoadingDelay config value\n // max video loading delay used in automatic start level selection :\n // in that mode ABR controller will ensure that video loading time (ie the time to fetch the first fragment at lowest quality level +\n // the time to fetch the fragment at the appropriate quality level is less than ```maxLoadingDelay``` )\n // cap maxLoadingDelay and ensure it is not bigger 'than bitrate test' frag duration\n const maxLoadingDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxLoadingDelay) : config.maxLoadingDelay;\n maxStarvationDelay = maxLoadingDelay - bitrateTestDelay;\n logger.trace(`bitrate test took ${Math.round(1000 * bitrateTestDelay)}ms, set first fragment max fetchDuration to ${Math.round(1000 * maxStarvationDelay)} ms`);\n // don't use conservative factor on bitrate test\n bwFactor = bwUpFactor = 1;\n }\n }\n bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay + maxStarvationDelay, bwFactor, bwUpFactor, levels);\n return Math.max(bestLevel, 0);\n }\n }\n\n _findBestLevel (currentLevel, currentFragDuration, currentBw, minAutoLevel, maxAutoLevel, maxFetchDuration, bwFactor, bwUpFactor, levels) {\n for (let i = maxAutoLevel; i >= minAutoLevel; i--) {\n let levelInfo = levels[i];\n\n if (!levelInfo) {\n continue;\n }\n\n const levelDetails = levelInfo.details;\n const avgDuration = levelDetails ? levelDetails.totalduration / levelDetails.fragments.length : currentFragDuration;\n const live = levelDetails ? levelDetails.live : false;\n\n let adjustedbw;\n // follow algorithm captured from stagefright :\n // https://android.googlesource.com/platform/frameworks/av/+/master/media/libstagefright/httplive/LiveSession.cpp\n // Pick the highest bandwidth stream below or equal to estimated bandwidth.\n // consider only 80% of the available bandwidth, but if we are switching up,\n // be even more conservative (70%) to avoid overestimating and immediately\n // switching back.\n if (i <= currentLevel) {\n adjustedbw = bwFactor * currentBw;\n } else {\n adjustedbw = bwUpFactor * currentBw;\n }\n\n const bitrate = levels[i].realBitrate ? Math.max(levels[i].realBitrate, levels[i].bitrate) : levels[i].bitrate;\n const fetchDuration = bitrate * avgDuration / adjustedbw;\n\n logger.trace(`level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: ${i}/${Math.round(adjustedbw)}/${bitrate}/${avgDuration}/${maxFetchDuration}/${fetchDuration}`);\n // if adjusted bw is greater than level bitrate AND\n if (adjustedbw > bitrate &&\n // fragment fetchDuration unknown OR live stream OR fragment fetchDuration less than max allowed fetch duration, then this level matches\n // we don't account for max Fetch Duration for live streams, this is to avoid switching down when near the edge of live sliding window ...\n // special case to support startLevel = -1 (bitrateTest) on live streams : in that case we should not exit loop so that _findBestLevel will return -1\n (!fetchDuration || (live && !this.bitrateTestDelay) || fetchDuration < maxFetchDuration)) {\n // as we are looping from highest to lowest, this will return the best achievable quality level\n return i;\n }\n }\n // not enough time budget even with quality level 0 ... rebuffering might happen\n return -1;\n }\n\n set nextAutoLevel (nextLevel) {\n this._nextAutoLevel = nextLevel;\n }\n}\n\nexport default AbrController;\n","/*\n * Buffer Controller\n */\n\nimport Events from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { getMediaSource } from '../utils/mediasource-helper';\n\nimport { TrackSet } from '../types/track';\nimport { Segment } from '../types/segment';\nimport { BufferControllerConfig } from '../config';\n\n// Add extension properties to SourceBuffers from the DOM API.\ntype ExtendedSourceBuffer = SourceBuffer & {\n ended?: boolean\n};\n\ntype SourceBufferName = 'video' | 'audio';\ntype SourceBuffers = Partial<Record<SourceBufferName, ExtendedSourceBuffer>>;\n\ninterface SourceBufferFlushRange {\n start: number;\n end: number;\n type: SourceBufferName\n}\n\nconst MediaSource = getMediaSource();\n\nclass BufferController extends EventHandler {\n // the value that we have set mediasource.duration to\n // (the actual duration may be tweaked slighly by the browser)\n private _msDuration: number | null = null;\n // the value that we want to set mediaSource.duration to\n private _levelDuration: number | null = null;\n // the target duration of the current media playlist\n private _levelTargetDuration: number = 10;\n // current stream state: true - for live broadcast, false - for VoD content\n private _live: boolean | null = null;\n // cache the self generated object url to detect hijack of video tag\n private _objectUrl: string | null = null;\n\n // signals that the sourceBuffers need to be flushed\n private _needsFlush: boolean = false;\n\n // signals that mediaSource should have endOfStream called\n private _needsEos: boolean = false;\n\n private config: BufferControllerConfig;\n\n // this is optional because this property is removed from the class sometimes\n public audioTimestampOffset?: number;\n\n // The number of BUFFER_CODEC events received before any sourceBuffers are created\n public bufferCodecEventsExpected: number = 0;\n\n // The total number of BUFFER_CODEC events received\n private _bufferCodecEventsTotal: number = 0;\n\n // A reference to the attached media element\n public media: HTMLMediaElement | null = null;\n\n // A reference to the active media source\n public mediaSource: MediaSource | null = null;\n\n // List of pending segments to be appended to source buffer\n public segments: Segment[] = [];\n\n public parent?: string;\n\n // A guard to see if we are currently appending to the source buffer\n public appending: boolean = false;\n\n // counters\n public appended: number = 0;\n public appendError: number = 0;\n public flushBufferCounter: number = 0;\n\n public tracks: TrackSet = {};\n public pendingTracks: TrackSet = {};\n public sourceBuffer: SourceBuffers = {};\n public flushRange: SourceBufferFlushRange[] = [];\n\n constructor (hls: any) {\n super(hls,\n Events.MEDIA_ATTACHING,\n Events.MEDIA_DETACHING,\n Events.MANIFEST_PARSED,\n Events.BUFFER_RESET,\n Events.BUFFER_APPENDING,\n Events.BUFFER_CODECS,\n Events.BUFFER_EOS,\n Events.BUFFER_FLUSHING,\n Events.LEVEL_PTS_UPDATED,\n Events.LEVEL_UPDATED);\n\n this.config = hls.config;\n }\n\n destroy () {\n EventHandler.prototype.destroy.call(this);\n }\n\n onLevelPtsUpdated (data: { type: SourceBufferName, start: number }) {\n let type = data.type;\n let audioTrack = this.tracks.audio;\n\n // Adjusting `SourceBuffer.timestampOffset` (desired point in the timeline where the next frames should be appended)\n // in Chrome browser when we detect MPEG audio container and time delta between level PTS and `SourceBuffer.timestampOffset`\n // is greater than 100ms (this is enough to handle seek for VOD or level change for LIVE videos). At the time of change we issue\n // `SourceBuffer.abort()` and adjusting `SourceBuffer.timestampOffset` if `SourceBuffer.updating` is false or awaiting `updateend`\n // event if SB is in updating state.\n // More info here: https://github.com/video-dev/hls.js/issues/332#issuecomment-257986486\n\n if (type === 'audio' && audioTrack && audioTrack.container === 'audio/mpeg') { // Chrome audio mp3 track\n let audioBuffer = this.sourceBuffer.audio;\n if (!audioBuffer) {\n throw Error('Level PTS Updated and source buffer for audio uninitalized');\n }\n\n let delta = Math.abs(audioBuffer.timestampOffset - data.start);\n\n // adjust timestamp offset if time delta is greater than 100ms\n if (delta > 0.1) {\n let updating = audioBuffer.updating;\n\n try {\n audioBuffer.abort();\n } catch (err) {\n logger.warn('can not abort audio buffer: ' + err);\n }\n\n if (!updating) {\n logger.warn('change mpeg audio timestamp offset from ' + audioBuffer.timestampOffset + ' to ' + data.start);\n audioBuffer.timestampOffset = data.start;\n } else {\n this.audioTimestampOffset = data.start;\n }\n }\n }\n }\n\n onManifestParsed (data: { altAudio: boolean }) {\n // in case of alt audio 2 BUFFER_CODECS events will be triggered, one per stream controller\n // sourcebuffers will be created all at once when the expected nb of tracks will be reached\n // in case alt audio is not used, only one BUFFER_CODEC event will be fired from main stream controller\n // it will contain the expected nb of source buffers, no need to compute it\n this.bufferCodecEventsExpected = this._bufferCodecEventsTotal = data.altAudio ? 2 : 1;\n logger.log(`${this.bufferCodecEventsExpected} bufferCodec event(s) expected`);\n }\n\n onMediaAttaching (data: { media: HTMLMediaElement }) {\n let media = this.media = data.media;\n if (media && MediaSource) {\n // setup the media source\n let ms = this.mediaSource = new MediaSource();\n // Media Source listeners\n ms.addEventListener('sourceopen', this._onMediaSourceOpen);\n ms.addEventListener('sourceended', this._onMediaSourceEnded);\n ms.addEventListener('sourceclose', this._onMediaSourceClose);\n // link video and media Source\n media.src = window.URL.createObjectURL(ms);\n // cache the locally generated object url\n this._objectUrl = media.src;\n }\n }\n\n onMediaDetaching () {\n logger.log('media source detaching');\n let ms = this.mediaSource;\n if (ms) {\n if (ms.readyState === 'open') {\n try {\n // endOfStream could trigger exception if any sourcebuffer is in updating state\n // we don't really care about checking sourcebuffer state here,\n // as we are anyway detaching the MediaSource\n // let's just avoid this exception to propagate\n ms.endOfStream();\n } catch (err) {\n logger.warn(`onMediaDetaching:${err.message} while calling endOfStream`);\n }\n }\n ms.removeEventListener('sourceopen', this._onMediaSourceOpen);\n ms.removeEventListener('sourceended', this._onMediaSourceEnded);\n ms.removeEventListener('sourceclose', this._onMediaSourceClose);\n\n // Detach properly the MediaSource from the HTMLMediaElement as\n // suggested in https://github.com/w3c/media-source/issues/53.\n if (this.media) {\n if (this._objectUrl) {\n window.URL.revokeObjectURL(this._objectUrl);\n }\n\n // clean up video tag src only if it's our own url. some external libraries might\n // hijack the video tag and change its 'src' without destroying the Hls instance first\n if (this.media.src === this._objectUrl) {\n this.media.removeAttribute('src');\n this.media.load();\n } else {\n logger.warn('media.src was changed by a third party - skip cleanup');\n }\n }\n\n this.mediaSource = null;\n this.media = null;\n this._objectUrl = null;\n this.bufferCodecEventsExpected = this._bufferCodecEventsTotal;\n this.pendingTracks = {};\n this.tracks = {};\n this.sourceBuffer = {};\n this.flushRange = [];\n this.segments = [];\n this.appended = 0;\n }\n\n this.hls.trigger(Events.MEDIA_DETACHED);\n }\n\n checkPendingTracks () {\n let { bufferCodecEventsExpected, pendingTracks } = this;\n\n // Check if we've received all of the expected bufferCodec events. When none remain, create all the sourceBuffers at once.\n // This is important because the MSE spec allows implementations to throw QuotaExceededErrors if creating new sourceBuffers after\n // data has been appended to existing ones.\n // 2 tracks is the max (one for audio, one for video). If we've reach this max go ahead and create the buffers.\n const pendingTracksCount = Object.keys(pendingTracks).length;\n if ((pendingTracksCount && !bufferCodecEventsExpected) || pendingTracksCount === 2) {\n // ok, let's create them now !\n this.createSourceBuffers(pendingTracks);\n this.pendingTracks = {};\n // append any pending segments now !\n this.doAppending();\n }\n }\n\n private _onMediaSourceOpen = () => {\n logger.log('media source opened');\n this.hls.trigger(Events.MEDIA_ATTACHED, { media: this.media });\n let mediaSource = this.mediaSource;\n if (mediaSource) {\n // once received, don't listen anymore to sourceopen event\n mediaSource.removeEventListener('sourceopen', this._onMediaSourceOpen);\n }\n this.checkPendingTracks();\n }\n\n private _onMediaSourceClose = () => {\n logger.log('media source closed');\n }\n\n private _onMediaSourceEnded = () => {\n logger.log('media source ended');\n }\n\n private _onSBUpdateEnd = () => {\n // update timestampOffset\n if (this.audioTimestampOffset && this.sourceBuffer.audio) {\n let audioBuffer = this.sourceBuffer.audio;\n\n logger.warn(`change mpeg audio timestamp offset from ${audioBuffer.timestampOffset} to ${this.audioTimestampOffset}`);\n audioBuffer.timestampOffset = this.audioTimestampOffset;\n delete this.audioTimestampOffset;\n }\n\n if (this._needsFlush) {\n this.doFlush();\n }\n\n if (this._needsEos) {\n this.checkEos();\n }\n\n this.appending = false;\n let parent = this.parent;\n // count nb of pending segments waiting for appending on this sourcebuffer\n let pending = this.segments.reduce((counter, segment) => (segment.parent === parent) ? counter + 1 : counter, 0);\n\n // this.sourceBuffer is better to use than media.buffered as it is closer to the PTS data from the fragments\n const timeRanges: Partial<Record<SourceBufferName, TimeRanges>> = {};\n const sbSet = this.sourceBuffer;\n for (let streamType in sbSet) {\n const sb = sbSet[streamType as SourceBufferName];\n if (!sb) {\n throw Error(`handling source buffer update end error: source buffer for ${streamType} uninitilized and unable to update buffered TimeRanges.`);\n }\n timeRanges[streamType as SourceBufferName] = sb.buffered;\n }\n\n this.hls.trigger(Events.BUFFER_APPENDED, { parent, pending, timeRanges });\n // don't append in flushing mode\n if (!this._needsFlush) {\n this.doAppending();\n }\n\n this.updateMediaElementDuration();\n\n // appending goes first\n if (pending === 0) {\n this.flushLiveBackBuffer();\n }\n }\n\n private _onSBUpdateError = (event: Event) => {\n logger.error('sourceBuffer error:', event);\n // according to http://www.w3.org/TR/media-source/#sourcebuffer-append-error\n // this error might not always be fatal (it is fatal if decode error is set, in that case\n // it will be followed by a mediaElement error ...)\n this.hls.trigger(Events.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_APPENDING_ERROR, fatal: false });\n // we don't need to do more than that, as accordin to the spec, updateend will be fired just after\n }\n\n onBufferReset () {\n const sourceBuffer = this.sourceBuffer;\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type];\n try {\n if (sb) {\n if (this.mediaSource) {\n this.mediaSource.removeSourceBuffer(sb);\n }\n sb.removeEventListener('updateend', this._onSBUpdateEnd);\n sb.removeEventListener('error', this._onSBUpdateError);\n }\n } catch (err) {\n }\n }\n this.sourceBuffer = {};\n this.flushRange = [];\n this.segments = [];\n this.appended = 0;\n }\n\n onBufferCodecs (tracks: TrackSet) {\n // if source buffer(s) not created yet, appended buffer tracks in this.pendingTracks\n // if sourcebuffers already created, do nothing ...\n if (Object.keys(this.sourceBuffer).length) {\n return;\n }\n\n Object.keys(tracks).forEach(trackName => {\n this.pendingTracks[trackName] = tracks[trackName];\n });\n\n this.bufferCodecEventsExpected = Math.max(this.bufferCodecEventsExpected - 1, 0);\n if (this.mediaSource && this.mediaSource.readyState === 'open') {\n this.checkPendingTracks();\n }\n }\n\n createSourceBuffers (tracks: TrackSet) {\n const { sourceBuffer, mediaSource } = this;\n if (!mediaSource) {\n throw Error('createSourceBuffers called when mediaSource was null');\n }\n\n for (let trackName in tracks) {\n if (!sourceBuffer[trackName]) {\n let track = tracks[trackName as keyof TrackSet];\n if (!track) {\n throw Error(`source buffer exists for track ${trackName}, however track does not`);\n }\n // use levelCodec as first priority\n let codec = track.levelCodec || track.codec;\n let mimeType = `${track.container};codecs=${codec}`;\n logger.log(`creating sourceBuffer(${mimeType})`);\n try {\n let sb = sourceBuffer[trackName] = mediaSource.addSourceBuffer(mimeType);\n sb.addEventListener('updateend', this._onSBUpdateEnd);\n sb.addEventListener('error', this._onSBUpdateError);\n this.tracks[trackName] = {\n buffer: sb,\n codec: codec,\n id: track.id,\n container: track.container,\n levelCodec: track.levelCodec\n };\n } catch (err) {\n logger.error(`error while trying to add sourceBuffer:${err.message}`);\n this.hls.trigger(Events.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_ADD_CODEC_ERROR, fatal: false, err: err, mimeType: mimeType });\n }\n }\n }\n this.hls.trigger(Events.BUFFER_CREATED, { tracks: this.tracks });\n }\n\n onBufferAppending (data: Segment) {\n if (!this._needsFlush) {\n if (!this.segments) {\n this.segments = [ data ];\n } else {\n this.segments.push(data);\n }\n\n this.doAppending();\n }\n }\n\n // on BUFFER_EOS mark matching sourcebuffer(s) as ended and trigger checkEos()\n // an undefined data.type will mark all buffers as EOS.\n onBufferEos (data: { type?: SourceBufferName }) {\n for (const type in this.sourceBuffer) {\n if (!data.type || data.type === type) {\n const sb = this.sourceBuffer[type as SourceBufferName];\n if (sb && !sb.ended) {\n sb.ended = true;\n logger.log(`${type} sourceBuffer now EOS`);\n }\n }\n }\n\n this.checkEos();\n }\n\n // if all source buffers are marked as ended, signal endOfStream() to MediaSource.\n checkEos () {\n const { sourceBuffer, mediaSource } = this;\n if (!mediaSource || mediaSource.readyState !== 'open') {\n this._needsEos = false;\n return;\n }\n\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type as SourceBufferName];\n if (!sb) continue;\n\n if (!sb.ended) {\n return;\n }\n\n if (sb.updating) {\n this._needsEos = true;\n return;\n }\n }\n\n logger.log('all media data are available, signal endOfStream() to MediaSource and stop loading fragment');\n // Notify the media element that it now has all of the media data\n try {\n mediaSource.endOfStream();\n } catch (e) {\n logger.warn('exception while calling mediaSource.endOfStream()');\n }\n this._needsEos = false;\n }\n\n onBufferFlushing (data: { startOffset: number, endOffset: number, type?: SourceBufferName }) {\n if (data.type) {\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: data.type });\n } else {\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: 'video' });\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: 'audio' });\n }\n\n // attempt flush immediately\n this.flushBufferCounter = 0;\n this.doFlush();\n }\n\n flushLiveBackBuffer () {\n // clear back buffer for live only\n if (!this._live) {\n return;\n }\n\n const liveBackBufferLength = this.config.liveBackBufferLength;\n if (!isFinite(liveBackBufferLength) || liveBackBufferLength < 0) {\n return;\n }\n\n if (!this.media) {\n logger.error('flushLiveBackBuffer called without attaching media');\n return;\n }\n\n const currentTime = this.media.currentTime;\n const sourceBuffer = this.sourceBuffer;\n const bufferTypes = Object.keys(sourceBuffer);\n const targetBackBufferPosition = currentTime - Math.max(liveBackBufferLength, this._levelTargetDuration);\n\n for (let index = bufferTypes.length - 1; index >= 0; index--) {\n const bufferType = bufferTypes[index];\n const sb = sourceBuffer[bufferType as SourceBufferName];\n if (sb) {\n const buffered = sb.buffered;\n // when target buffer start exceeds actual buffer start\n if (buffered.length > 0 && targetBackBufferPosition > buffered.start(0)) {\n // remove buffer up until current time minus minimum back buffer length (removing buffer too close to current\n // time will lead to playback freezing)\n // credits for level target duration - https://github.com/videojs/http-streaming/blob/3132933b6aa99ddefab29c10447624efd6fd6e52/src/segment-loader.js#L91\n if (this.removeBufferRange(bufferType, sb, 0, targetBackBufferPosition)) {\n this.hls.trigger(Events.LIVE_BACK_BUFFER_REACHED, { bufferEnd: targetBackBufferPosition });\n }\n\n }\n }\n }\n }\n\n onLevelUpdated ({ details }: { details: { totalduration: number, targetduration?: number, averagetargetduration?: number, live: boolean, fragments: any[] } }) {\n if (details.fragments.length > 0) {\n this._levelDuration = details.totalduration + details.fragments[0].start;\n this._levelTargetDuration = details.averagetargetduration || details.targetduration || 10;\n this._live = details.live;\n this.updateMediaElementDuration();\n }\n }\n\n /**\n * Update Media Source duration to current level duration or override to Infinity if configuration parameter\n * 'liveDurationInfinity` is set to `true`\n * More details: https://github.com/video-dev/hls.js/issues/355\n */\n updateMediaElementDuration () {\n let { config } = this;\n let duration: number;\n\n if (this._levelDuration === null ||\n !this.media ||\n !this.mediaSource ||\n !this.sourceBuffer ||\n this.media.readyState === 0 ||\n this.mediaSource.readyState !== 'open') {\n return;\n }\n\n for (let type in this.sourceBuffer) {\n const sb = this.sourceBuffer[type];\n if (sb && sb.updating === true) {\n // can't set duration whilst a buffer is updating\n return;\n }\n }\n\n duration = this.media.duration;\n // initialise to the value that the media source is reporting\n if (this._msDuration === null) {\n this._msDuration = this.mediaSource.duration;\n }\n\n if (this._live === true && config.liveDurationInfinity === true) {\n // Override duration to Infinity\n logger.log('Media Source duration is set to Infinity');\n this._msDuration = this.mediaSource.duration = Infinity;\n } else if ((this._levelDuration > this._msDuration && this._levelDuration > duration) || !Number.isFinite(duration)) {\n // levelDuration was the last value we set.\n // not using mediaSource.duration as the browser may tweak this value\n // only update Media Source duration if its value increase, this is to avoid\n // flushing already buffered portion when switching between quality level\n logger.log(`Updating Media Source duration to ${this._levelDuration.toFixed(3)}`);\n this._msDuration = this.mediaSource.duration = this._levelDuration;\n }\n }\n\n doFlush () {\n // loop through all buffer ranges to flush\n while (this.flushRange.length) {\n let range = this.flushRange[0];\n // flushBuffer will abort any buffer append in progress and flush Audio/Video Buffer\n if (this.flushBuffer(range.start, range.end, range.type)) {\n // range flushed, remove from flush array\n this.flushRange.shift();\n this.flushBufferCounter = 0;\n } else {\n this._needsFlush = true;\n // avoid looping, wait for SB update end to retrigger a flush\n return;\n }\n }\n if (this.flushRange.length === 0) {\n // everything flushed\n this._needsFlush = false;\n\n // let's recompute this.appended, which is used to avoid flush looping\n let appended = 0;\n let sourceBuffer = this.sourceBuffer;\n try {\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type];\n if (sb) {\n appended += sb.buffered.length;\n }\n }\n } catch (error) {\n // error could be thrown while accessing buffered, in case sourcebuffer has already been removed from MediaSource\n // this is harmess at this stage, catch this to avoid reporting an internal exception\n logger.error('error while accessing sourceBuffer.buffered');\n }\n this.appended = appended;\n this.hls.trigger(Events.BUFFER_FLUSHED);\n }\n }\n\n doAppending () {\n let { config, hls, segments, sourceBuffer } = this;\n if (!Object.keys(sourceBuffer).length) {\n // early exit if no source buffers have been initialized yet\n return;\n }\n\n if (!this.media || this.media.error) {\n this.segments = [];\n logger.error('trying to append although a media error occured, flush segment and abort');\n return;\n }\n\n if (this.appending) {\n // logger.log(`sb appending in progress`);\n return;\n }\n\n const segment = segments.shift();\n if (!segment) { // handle undefined shift\n return;\n }\n\n try {\n const sb = sourceBuffer[segment.type];\n if (!sb) {\n // in case we don't have any source buffer matching with this segment type,\n // it means that Mediasource fails to create sourcebuffer\n // discard this segment, and trigger update end\n this._onSBUpdateEnd();\n return;\n }\n\n if (sb.updating) {\n // if we are still updating the source buffer from the last segment, place this back at the front of the queue\n segments.unshift(segment);\n return;\n }\n\n // reset sourceBuffer ended flag before appending segment\n sb.ended = false;\n // logger.log(`appending ${segment.content} ${type} SB, size:${segment.data.length}, ${segment.parent}`);\n this.parent = segment.parent;\n sb.appendBuffer(segment.data);\n this.appendError = 0;\n this.appended++;\n this.appending = true;\n } catch (err) {\n // in case any error occured while appending, put back segment in segments table\n logger.error(`error while trying to append buffer:${err.message}`);\n segments.unshift(segment);\n let event = { type: ErrorTypes.MEDIA_ERROR, parent: segment.parent, details: '', fatal: false };\n if (err.code === 22) {\n // QuotaExceededError: http://www.w3.org/TR/html5/infrastructure.html#quotaexceedederror\n // let's stop appending any segments, and report BUFFER_FULL_ERROR error\n this.segments = [];\n event.details = ErrorDetails.BUFFER_FULL_ERROR;\n } else {\n this.appendError++;\n event.details = ErrorDetails.BUFFER_APPEND_ERROR;\n /* with UHD content, we could get loop of quota exceeded error until\n browser is able to evict some data from sourcebuffer. retrying help recovering this\n */\n if (this.appendError > config.appendErrorMaxRetry) {\n logger.log(`fail ${config.appendErrorMaxRetry} times to append segment in sourceBuffer`);\n this.segments = [];\n event.fatal = true;\n }\n }\n hls.trigger(Events.ERROR, event);\n }\n }\n\n /*\n flush specified buffered range,\n return true once range has been flushed.\n as sourceBuffer.remove() is asynchronous, flushBuffer will be retriggered on sourceBuffer update end\n */\n flushBuffer (startOffset: number, endOffset: number, sbType: SourceBufferName): boolean {\n const sourceBuffer = this.sourceBuffer;\n // exit if no sourceBuffers are initialized\n if (!Object.keys(sourceBuffer).length) {\n return true;\n }\n\n let currentTime: string = 'null';\n if (this.media) {\n currentTime = this.media.currentTime.toFixed(3);\n }\n logger.log(`flushBuffer,pos/start/end: ${currentTime}/${startOffset}/${endOffset}`);\n\n // safeguard to avoid infinite looping : don't try to flush more than the nb of appended segments\n if (this.flushBufferCounter >= this.appended) {\n logger.warn('abort flushing too many retries');\n return true;\n }\n\n const sb = sourceBuffer[sbType];\n // we are going to flush buffer, mark source buffer as 'not ended'\n if (sb) {\n sb.ended = false;\n if (!sb.updating) {\n if (this.removeBufferRange(sbType, sb, startOffset, endOffset)) {\n this.flushBufferCounter++;\n return false;\n }\n } else {\n logger.warn('cannot flush, sb updating in progress');\n return false;\n }\n }\n\n logger.log('buffer flushed');\n // everything flushed !\n return true;\n }\n\n /**\n * Removes first buffered range from provided source buffer that lies within given start and end offsets.\n *\n * @param {string} type Type of the source buffer, logging purposes only.\n * @param {SourceBuffer} sb Target SourceBuffer instance.\n * @param {number} startOffset\n * @param {number} endOffset\n *\n * @returns {boolean} True when source buffer remove requested.\n */\n removeBufferRange (type: string, sb: ExtendedSourceBuffer, startOffset: number, endOffset: number): boolean {\n try {\n for (let i = 0; i < sb.buffered.length; i++) {\n let bufStart = sb.buffered.start(i);\n let bufEnd = sb.buffered.end(i);\n let removeStart = Math.max(bufStart, startOffset);\n let removeEnd = Math.min(bufEnd, endOffset);\n\n /* sometimes sourcebuffer.remove() does not flush\n the exact expected time range.\n to avoid rounding issues/infinite loop,\n only flush buffer range of length greater than 500ms.\n */\n if (Math.min(removeEnd, bufEnd) - removeStart > 0.5) {\n let currentTime: string = 'null';\n if (this.media) {\n currentTime = this.media.currentTime.toString();\n }\n\n logger.log(`sb remove ${type} [${removeStart},${removeEnd}], of [${bufStart},${bufEnd}], pos:${currentTime}`);\n sb.remove(removeStart, removeEnd);\n return true;\n }\n }\n } catch (error) {\n logger.warn('removeBufferRange failed', error);\n }\n\n return false;\n }\n}\n\nexport default BufferController;\n","/*\n * cap stream level to media size dimension controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\n\nclass CapLevelController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.FPS_DROP_LEVEL_CAPPING,\n Event.MEDIA_ATTACHING,\n Event.MANIFEST_PARSED,\n Event.BUFFER_CODECS,\n Event.MEDIA_DETACHING);\n\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n this.firstLevel = null;\n this.levels = [];\n this.media = null;\n this.restrictedLevels = [];\n this.timer = null;\n }\n\n destroy () {\n if (this.hls.config.capLevelToPlayerSize) {\n this.media = null;\n this.stopCapping();\n }\n }\n\n onFpsDropLevelCapping (data) {\n // Don't add a restricted level more than once\n if (CapLevelController.isLevelAllowed(data.droppedLevel, this.restrictedLevels)) {\n this.restrictedLevels.push(data.droppedLevel);\n }\n }\n\n onMediaAttaching (data) {\n this.media = data.media instanceof window.HTMLVideoElement ? data.media : null;\n }\n\n onManifestParsed (data) {\n const hls = this.hls;\n this.restrictedLevels = [];\n this.levels = data.levels;\n this.firstLevel = data.firstLevel;\n if (hls.config.capLevelToPlayerSize && data.video) {\n // Start capping immediately if the manifest has signaled video codecs\n this.startCapping();\n }\n }\n\n // Only activate capping when playing a video stream; otherwise, multi-bitrate audio-only streams will be restricted\n // to the first level\n onBufferCodecs (data) {\n const hls = this.hls;\n if (hls.config.capLevelToPlayerSize && data.video) {\n // If the manifest did not signal a video codec capping has been deferred until we're certain video is present\n this.startCapping();\n }\n }\n\n onLevelsUpdated (data) {\n this.levels = data.levels;\n }\n\n onMediaDetaching () {\n this.stopCapping();\n }\n\n detectPlayerSize () {\n if (this.media) {\n let levelsLength = this.levels ? this.levels.length : 0;\n if (levelsLength) {\n const hls = this.hls;\n hls.autoLevelCapping = this.getMaxLevel(levelsLength - 1);\n if (hls.autoLevelCapping > this.autoLevelCapping) {\n // if auto level capping has a higher value for the previous one, flush the buffer using nextLevelSwitch\n // usually happen when the user go to the fullscreen mode.\n hls.streamController.nextLevelSwitch();\n }\n this.autoLevelCapping = hls.autoLevelCapping;\n }\n }\n }\n\n /*\n * returns level should be the one with the dimensions equal or greater than the media (player) dimensions (so the video will be downscaled)\n */\n getMaxLevel (capLevelIndex) {\n if (!this.levels) {\n return -1;\n }\n\n const validLevels = this.levels.filter((level, index) =>\n CapLevelController.isLevelAllowed(index, this.restrictedLevels) && index <= capLevelIndex\n );\n\n return CapLevelController.getMaxLevelByMediaSize(validLevels, this.mediaWidth, this.mediaHeight);\n }\n\n startCapping () {\n if (this.timer) {\n // Don't reset capping if started twice; this can happen if the manifest signals a video codec\n return;\n }\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n this.hls.firstLevel = this.getMaxLevel(this.firstLevel);\n clearInterval(this.timer);\n this.timer = setInterval(this.detectPlayerSize.bind(this), 1000);\n this.detectPlayerSize();\n }\n\n stopCapping () {\n this.restrictedLevels = [];\n this.firstLevel = null;\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n if (this.timer) {\n this.timer = clearInterval(this.timer);\n this.timer = null;\n }\n }\n\n get mediaWidth () {\n let width;\n const media = this.media;\n if (media) {\n width = media.width || media.clientWidth || media.offsetWidth;\n width *= CapLevelController.contentScaleFactor;\n }\n return width;\n }\n\n get mediaHeight () {\n let height;\n const media = this.media;\n if (media) {\n height = media.height || media.clientHeight || media.offsetHeight;\n height *= CapLevelController.contentScaleFactor;\n }\n return height;\n }\n\n static get contentScaleFactor () {\n let pixelRatio = 1;\n try {\n pixelRatio = window.devicePixelRatio;\n } catch (e) {}\n return pixelRatio;\n }\n\n static isLevelAllowed (level, restrictedLevels = []) {\n return restrictedLevels.indexOf(level) === -1;\n }\n\n static getMaxLevelByMediaSize (levels, width, height) {\n if (!levels || (levels && !levels.length)) {\n return -1;\n }\n\n // Levels can have the same dimensions but differing bandwidths - since levels are ordered, we can look to the next\n // to determine whether we've chosen the greatest bandwidth for the media's dimensions\n const atGreatestBandiwdth = (curLevel, nextLevel) => {\n if (!nextLevel) {\n return true;\n }\n\n return curLevel.width !== nextLevel.width || curLevel.height !== nextLevel.height;\n };\n\n // If we run through the loop without breaking, the media's dimensions are greater than every level, so default to\n // the max level\n let maxLevelIndex = levels.length - 1;\n\n for (let i = 0; i < levels.length; i += 1) {\n const level = levels[i];\n if ((level.width >= width || level.height >= height) && atGreatestBandiwdth(level, levels[i + 1])) {\n maxLevelIndex = i;\n break;\n }\n }\n\n return maxLevelIndex;\n }\n}\n\nexport default CapLevelController;\n","/*\n * FPS Controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\n\nconst { performance } = window;\n\nclass FPSController extends EventHandler {\n constructor (hls) {\n super(hls, Event.MEDIA_ATTACHING);\n }\n\n destroy () {\n if (this.timer) {\n clearInterval(this.timer);\n }\n\n this.isVideoPlaybackQualityAvailable = false;\n }\n\n onMediaAttaching (data) {\n const config = this.hls.config;\n if (config.capLevelOnFPSDrop) {\n const video = this.video = data.media instanceof window.HTMLVideoElement ? data.media : null;\n if (typeof video.getVideoPlaybackQuality === 'function') {\n this.isVideoPlaybackQualityAvailable = true;\n }\n\n clearInterval(this.timer);\n this.timer = setInterval(this.checkFPSInterval.bind(this), config.fpsDroppedMonitoringPeriod);\n }\n }\n\n checkFPS (video, decodedFrames, droppedFrames) {\n let currentTime = performance.now();\n if (decodedFrames) {\n if (this.lastTime) {\n let currentPeriod = currentTime - this.lastTime,\n currentDropped = droppedFrames - this.lastDroppedFrames,\n currentDecoded = decodedFrames - this.lastDecodedFrames,\n droppedFPS = 1000 * currentDropped / currentPeriod,\n hls = this.hls;\n hls.trigger(Event.FPS_DROP, { currentDropped: currentDropped, currentDecoded: currentDecoded, totalDroppedFrames: droppedFrames });\n if (droppedFPS > 0) {\n // logger.log('checkFPS : droppedFPS/decodedFPS:' + droppedFPS/(1000 * currentDecoded / currentPeriod));\n if (currentDropped > hls.config.fpsDroppedMonitoringThreshold * currentDecoded) {\n let currentLevel = hls.currentLevel;\n logger.warn('drop FPS ratio greater than max allowed value for currentLevel: ' + currentLevel);\n if (currentLevel > 0 && (hls.autoLevelCapping === -1 || hls.autoLevelCapping >= currentLevel)) {\n currentLevel = currentLevel - 1;\n hls.trigger(Event.FPS_DROP_LEVEL_CAPPING, { level: currentLevel, droppedLevel: hls.currentLevel });\n hls.autoLevelCapping = currentLevel;\n hls.streamController.nextLevelSwitch();\n }\n }\n }\n }\n this.lastTime = currentTime;\n this.lastDroppedFrames = droppedFrames;\n this.lastDecodedFrames = decodedFrames;\n }\n }\n\n checkFPSInterval () {\n const video = this.video;\n if (video) {\n if (this.isVideoPlaybackQualityAvailable) {\n let videoPlaybackQuality = video.getVideoPlaybackQuality();\n this.checkFPS(video, videoPlaybackQuality.totalVideoFrames, videoPlaybackQuality.droppedVideoFrames);\n } else {\n this.checkFPS(video, video.webkitDecodedFrameCount, video.webkitDroppedFrameCount);\n }\n }\n }\n}\n\nexport default FPSController;\n","/**\n * XHR based logger\n*/\n\nimport { logger } from '../utils/logger';\n\nconst { performance, XMLHttpRequest } = window;\n\nclass XhrLoader {\n constructor (config) {\n if (config && config.xhrSetup) {\n this.xhrSetup = config.xhrSetup;\n }\n }\n\n destroy () {\n this.abort();\n this.loader = null;\n }\n\n abort () {\n let loader = this.loader;\n if (loader && loader.readyState !== 4) {\n this.stats.aborted = true;\n loader.abort();\n }\n\n window.clearTimeout(this.requestTimeout);\n this.requestTimeout = null;\n window.clearTimeout(this.retryTimeout);\n this.retryTimeout = null;\n }\n\n load (context, config, callbacks) {\n this.context = context;\n this.config = config;\n this.callbacks = callbacks;\n this.stats = { trequest: performance.now(), retry: 0 };\n this.retryDelay = config.retryDelay;\n this.loadInternal();\n }\n\n loadInternal () {\n let xhr, context = this.context;\n xhr = this.loader = new XMLHttpRequest();\n\n let stats = this.stats;\n stats.tfirst = 0;\n stats.loaded = 0;\n const xhrSetup = this.xhrSetup;\n\n try {\n if (xhrSetup) {\n try {\n xhrSetup(xhr, context.url);\n } catch (e) {\n // fix xhrSetup: (xhr, url) => {xhr.setRequestHeader(\"Content-Language\", \"test\");}\n // not working, as xhr.setRequestHeader expects xhr.readyState === OPEN\n xhr.open('GET', context.url, true);\n xhrSetup(xhr, context.url);\n }\n }\n if (!xhr.readyState) {\n xhr.open('GET', context.url, true);\n }\n } catch (e) {\n // IE11 throws an exception on xhr.open if attempting to access an HTTP resource over HTTPS\n this.callbacks.onError({ code: xhr.status, text: e.message }, context, xhr);\n return;\n }\n\n if (context.rangeEnd) {\n xhr.setRequestHeader('Range', 'bytes=' + context.rangeStart + '-' + (context.rangeEnd - 1));\n }\n\n xhr.onreadystatechange = this.readystatechange.bind(this);\n xhr.onprogress = this.loadprogress.bind(this);\n xhr.responseType = context.responseType;\n\n // setup timeout before we perform request\n this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), this.config.timeout);\n xhr.send();\n }\n\n readystatechange (event) {\n let xhr = event.currentTarget,\n readyState = xhr.readyState,\n stats = this.stats,\n context = this.context,\n config = this.config;\n\n // don't proceed if xhr has been aborted\n if (stats.aborted) {\n return;\n }\n\n // >= HEADERS_RECEIVED\n if (readyState >= 2) {\n // clear xhr timeout and rearm it if readyState less than 4\n window.clearTimeout(this.requestTimeout);\n if (stats.tfirst === 0) {\n stats.tfirst = Math.max(performance.now(), stats.trequest);\n }\n\n if (readyState === 4) {\n let status = xhr.status;\n // http status between 200 to 299 are all successful\n if (status >= 200 && status < 300) {\n stats.tload = Math.max(stats.tfirst, performance.now());\n let data, len;\n if (context.responseType === 'arraybuffer') {\n data = xhr.response;\n len = data.byteLength;\n } else {\n data = xhr.responseText;\n len = data.length;\n }\n stats.loaded = stats.total = len;\n let response = { url: xhr.responseURL, data: data };\n this.callbacks.onSuccess(response, stats, context, xhr);\n } else {\n // if max nb of retries reached or if http status between 400 and 499 (such error cannot be recovered, retrying is useless), return error\n if (stats.retry >= config.maxRetry) {\n logger.error(`${status} while loading ${context.url}`);\n this.callbacks.onError({ code: status, text: xhr.statusText }, context, xhr);\n } else {\n // retry\n logger.warn(`${status} while loading ${context.url}, retrying in ${this.retryDelay}...`);\n // aborts and resets internal state\n this.destroy();\n // schedule retry\n this.retryTimeout = window.setTimeout(this.loadInternal.bind(this), this.retryDelay);\n // set exponential backoff\n this.retryDelay = Math.min(2 * this.retryDelay, config.maxRetryDelay);\n stats.retry++;\n }\n }\n } else {\n // readyState >= 2 AND readyState !==4 (readyState = HEADERS_RECEIVED || LOADING) rearm timeout as xhr not finished yet\n this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), config.timeout);\n }\n }\n }\n\n loadtimeout () {\n logger.warn(`timeout while loading ${this.context.url}`);\n this.callbacks.onTimeout(this.stats, this.context, null);\n }\n\n loadprogress (event) {\n let xhr = event.currentTarget,\n stats = this.stats;\n\n stats.loaded = event.loaded;\n if (event.lengthComputable) {\n stats.total = event.total;\n }\n\n let onProgress = this.callbacks.onProgress;\n if (onProgress) {\n // third arg is to provide on progress data\n onProgress(stats, this.context, null, xhr);\n }\n }\n}\n\nexport default XhrLoader;\n","import Event from '../events';\nimport TaskLoop from '../task-loop';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\n/**\n * @class AudioTrackController\n * @implements {EventHandler}\n *\n * Handles main manifest and audio-track metadata loaded,\n * owns and exposes the selectable audio-tracks data-models.\n *\n * Exposes internal interface to select available audio-tracks.\n *\n * Handles errors on loading audio-track playlists. Manages fallback mechanism\n * with redundants tracks (group-IDs).\n *\n * Handles level-loading and group-ID switches for video (fallback on video levels),\n * and eventually adapts the audio-track group-ID to match.\n *\n * @fires AUDIO_TRACK_LOADING\n * @fires AUDIO_TRACK_SWITCHING\n * @fires AUDIO_TRACKS_UPDATED\n * @fires ERROR\n *\n */\nclass AudioTrackController extends TaskLoop {\n constructor (hls) {\n super(hls,\n Event.MANIFEST_LOADING,\n Event.MANIFEST_PARSED,\n Event.AUDIO_TRACK_LOADED,\n Event.AUDIO_TRACK_SWITCHED,\n Event.LEVEL_LOADED,\n Event.ERROR\n );\n\n /**\n * @private\n * Currently selected index in `tracks`\n * @member {number} trackId\n */\n this._trackId = -1;\n\n /**\n * @private\n * If should select tracks according to default track attribute\n * @member {boolean} _selectDefaultTrack\n */\n this._selectDefaultTrack = true;\n\n /**\n * @public\n * All tracks available\n * @member {AudioTrack[]}\n */\n this.tracks = [];\n\n /**\n * @public\n * List of blacklisted audio track IDs (that have caused failure)\n * @member {number[]}\n */\n this.trackIdBlacklist = Object.create(null);\n\n /**\n * @public\n * The currently running group ID for audio\n * (we grab this on manifest-parsed and new level-loaded)\n * @member {string}\n */\n this.audioGroupId = null;\n }\n\n /**\n * Reset audio tracks on new manifest loading.\n */\n onManifestLoading () {\n this.tracks = [];\n this._trackId = -1;\n this._selectDefaultTrack = true;\n }\n\n /**\n * Store tracks data from manifest parsed data.\n *\n * Trigger AUDIO_TRACKS_UPDATED event.\n *\n * @param {*} data\n */\n onManifestParsed (data) {\n const tracks = this.tracks = data.audioTracks || [];\n this.hls.trigger(Event.AUDIO_TRACKS_UPDATED, { audioTracks: tracks });\n\n this._selectAudioGroup(this.hls.nextLoadLevel);\n }\n\n /**\n * Store track details of loaded track in our data-model.\n *\n * Set-up metadata update interval task for live-mode streams.\n *\n * @param {*} data\n */\n onAudioTrackLoaded (data) {\n if (data.id >= this.tracks.length) {\n logger.warn('Invalid audio track id:', data.id);\n return;\n }\n\n logger.log(`audioTrack ${data.id} loaded`);\n\n this.tracks[data.id].details = data.details;\n\n // check if current playlist is a live playlist\n // and if we have already our reload interval setup\n if (data.details.live && !this.hasInterval()) {\n // if live playlist we will have to reload it periodically\n // set reload period to playlist target duration\n const updatePeriodMs = data.details.targetduration * 1000;\n this.setInterval(updatePeriodMs);\n }\n\n if (!data.details.live && this.hasInterval()) {\n // playlist is not live and timer is scheduled: cancel it\n this.clearInterval();\n }\n }\n\n /**\n * Update the internal group ID to any audio-track we may have set manually\n * or because of a failure-handling fallback.\n *\n * Quality-levels should update to that group ID in this case.\n *\n * @param {*} data\n */\n onAudioTrackSwitched (data) {\n const audioGroupId = this.tracks[data.id].groupId;\n if (audioGroupId && (this.audioGroupId !== audioGroupId)) {\n this.audioGroupId = audioGroupId;\n }\n }\n\n /**\n * When a level gets loaded, if it has redundant audioGroupIds (in the same ordinality as it's redundant URLs)\n * we are setting our audio-group ID internally to the one set, if it is different from the group ID currently set.\n *\n * If group-ID got update, we re-select the appropriate audio-track with this group-ID matching the currently\n * selected one (based on NAME property).\n *\n * @param {*} data\n */\n onLevelLoaded (data) {\n this._selectAudioGroup(data.level);\n }\n\n /**\n * Handle network errors loading audio track manifests\n * and also pausing on any netwok errors.\n *\n * @param {ErrorEventData} data\n */\n onError (data) {\n // Only handle network errors\n if (data.type !== ErrorTypes.NETWORK_ERROR) {\n return;\n }\n\n // If fatal network error, cancel update task\n if (data.fatal) {\n this.clearInterval();\n }\n\n // If not an audio-track loading error don't handle further\n if (data.details !== ErrorDetails.AUDIO_TRACK_LOAD_ERROR) {\n return;\n }\n\n logger.warn('Network failure on audio-track id:', data.context.id);\n this._handleLoadError();\n }\n\n /**\n * @type {AudioTrack[]} Audio-track list we own\n */\n get audioTracks () {\n return this.tracks;\n }\n\n /**\n * @type {number} Index into audio-tracks list of currently selected track.\n */\n get audioTrack () {\n return this._trackId;\n }\n\n /**\n * Select current track by index\n */\n set audioTrack (newId) {\n this._setAudioTrack(newId);\n // If audio track is selected from API then don't choose from the manifest default track\n this._selectDefaultTrack = false;\n }\n\n /**\n * @private\n * @param {number} newId\n */\n _setAudioTrack (newId) {\n // noop on same audio track id as already set\n if (this._trackId === newId && this.tracks[this._trackId].details) {\n logger.debug('Same id as current audio-track passed, and track details available -> no-op');\n return;\n }\n\n // check if level idx is valid\n if (newId < 0 || newId >= this.tracks.length) {\n logger.warn('Invalid id passed to audio-track controller');\n return;\n }\n\n const audioTrack = this.tracks[newId];\n\n logger.log(`Now switching to audio-track index ${newId}`);\n\n // stopping live reloading timer if any\n this.clearInterval();\n this._trackId = newId;\n\n const { url, type, id } = audioTrack;\n this.hls.trigger(Event.AUDIO_TRACK_SWITCHING, { id, type, url });\n this._loadTrackDetailsIfNeeded(audioTrack);\n }\n\n /**\n * @override\n */\n doTick () {\n this._updateTrack(this._trackId);\n }\n\n /**\n * @param levelId\n * @private\n */\n _selectAudioGroup (levelId) {\n const levelInfo = this.hls.levels[levelId];\n\n if (!levelInfo || !levelInfo.audioGroupIds) {\n return;\n }\n\n const audioGroupId = levelInfo.audioGroupIds[levelInfo.urlId];\n if (this.audioGroupId !== audioGroupId) {\n this.audioGroupId = audioGroupId;\n this._selectInitialAudioTrack();\n }\n }\n\n /**\n * Select initial track\n * @private\n */\n _selectInitialAudioTrack () {\n let tracks = this.tracks;\n if (!tracks.length) {\n return;\n }\n\n const currentAudioTrack = this.tracks[this._trackId];\n\n let name = null;\n if (currentAudioTrack) {\n name = currentAudioTrack.name;\n }\n\n // Pre-select default tracks if there are any\n if (this._selectDefaultTrack) {\n const defaultTracks = tracks.filter((track) => track.default);\n if (defaultTracks.length) {\n tracks = defaultTracks;\n } else {\n logger.warn('No default audio tracks defined');\n }\n }\n\n let trackFound = false;\n\n const traverseTracks = () => {\n // Select track with right group ID\n tracks.forEach((track) => {\n if (trackFound) {\n return;\n }\n // We need to match the (pre-)selected group ID\n // and the NAME of the current track.\n if ((!this.audioGroupId || track.groupId === this.audioGroupId) &&\n (!name || name === track.name)) {\n // If there was a previous track try to stay with the same `NAME`.\n // It should be unique across tracks of same group, and consistent through redundant track groups.\n this._setAudioTrack(track.id);\n trackFound = true;\n }\n });\n };\n\n traverseTracks();\n\n if (!trackFound) {\n name = null;\n traverseTracks();\n }\n\n if (!trackFound) {\n logger.error(`No track found for running audio group-ID: ${this.audioGroupId}`);\n\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.AUDIO_TRACK_LOAD_ERROR,\n fatal: true\n });\n }\n }\n\n /**\n * @private\n * @param {AudioTrack} audioTrack\n * @returns {boolean}\n */\n _needsTrackLoading (audioTrack) {\n const { details, url } = audioTrack;\n\n if (!details || details.live) {\n // check if we face an audio track embedded in main playlist (audio track without URI attribute)\n return !!url;\n }\n\n return false;\n }\n\n /**\n * @private\n * @param {AudioTrack} audioTrack\n */\n _loadTrackDetailsIfNeeded (audioTrack) {\n if (this._needsTrackLoading(audioTrack)) {\n const { url, id } = audioTrack;\n // track not retrieved yet, or live playlist we need to (re)load it\n logger.log(`loading audio-track playlist for id: ${id}`);\n this.hls.trigger(Event.AUDIO_TRACK_LOADING, { url, id });\n }\n }\n\n /**\n * @private\n * @param {number} newId\n */\n _updateTrack (newId) {\n // check if level idx is valid\n if (newId < 0 || newId >= this.tracks.length) {\n return;\n }\n\n // stopping live reloading timer if any\n this.clearInterval();\n this._trackId = newId;\n logger.log(`trying to update audio-track ${newId}`);\n const audioTrack = this.tracks[newId];\n this._loadTrackDetailsIfNeeded(audioTrack);\n }\n\n /**\n * @private\n */\n _handleLoadError () {\n // First, let's black list current track id\n this.trackIdBlacklist[this._trackId] = true;\n\n // Let's try to fall back on a functional audio-track with the same group ID\n const previousId = this._trackId;\n const { name, language, groupId } = this.tracks[previousId];\n\n logger.warn(`Loading failed on audio track id: ${previousId}, group-id: ${groupId}, name/language: \"${name}\" / \"${language}\"`);\n\n // Find a non-blacklisted track ID with the same NAME\n // At least a track that is not blacklisted, thus on another group-ID.\n let newId = previousId;\n for (let i = 0; i < this.tracks.length; i++) {\n if (this.trackIdBlacklist[i]) {\n continue;\n }\n const newTrack = this.tracks[i];\n if (newTrack.name === name) {\n newId = i;\n break;\n }\n }\n\n if (newId === previousId) {\n logger.warn(`No fallback audio-track found for name/language: \"${name}\" / \"${language}\"`);\n return;\n }\n\n logger.log('Attempting audio-track fallback id:', newId, 'group-id:', this.tracks[newId].groupId);\n\n this._setAudioTrack(newId);\n }\n}\n\nexport default AudioTrackController;\n","/*\n * Audio Stream Controller\n*/\n\nimport BinarySearch from '../utils/binary-search';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport Demuxer from '../demux/demuxer';\nimport Event from '../events';\nimport * as LevelHelper from './level-helper';\nimport TimeRanges from '../utils/time-ranges';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport { findFragWithCC } from '../utils/discontinuities';\nimport { FragmentState } from './fragment-tracker';\nimport Fragment, { ElementaryStreamTypes } from '../loader/fragment';\nimport BaseStreamController, { State } from './base-stream-controller';\nconst { performance } = window;\n\nconst TICK_INTERVAL = 100; // how often to tick in ms\n\nclass AudioStreamController extends BaseStreamController {\n constructor (hls, fragmentTracker) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.AUDIO_TRACKS_UPDATED,\n Event.AUDIO_TRACK_SWITCHING,\n Event.AUDIO_TRACK_LOADED,\n Event.KEY_LOADED,\n Event.FRAG_LOADED,\n Event.FRAG_PARSING_INIT_SEGMENT,\n Event.FRAG_PARSING_DATA,\n Event.FRAG_PARSED,\n Event.ERROR,\n Event.BUFFER_RESET,\n Event.BUFFER_CREATED,\n Event.BUFFER_APPENDED,\n Event.BUFFER_FLUSHED,\n Event.INIT_PTS_FOUND);\n this.fragmentTracker = fragmentTracker;\n this.config = hls.config;\n this.audioCodecSwap = false;\n this._state = State.STOPPED;\n this.initPTS = [];\n this.waitingFragment = null;\n this.videoTrackCC = null;\n }\n\n // Signal that video PTS was found\n onInitPtsFound (data) {\n let demuxerId = data.id, cc = data.frag.cc, initPTS = data.initPTS;\n if (demuxerId === 'main') {\n // Always update the new INIT PTS\n // Can change due level switch\n this.initPTS[cc] = initPTS;\n this.videoTrackCC = cc;\n logger.log(`InitPTS for cc: ${cc} found from video track: ${initPTS}`);\n\n // If we are waiting we need to demux/remux the waiting frag\n // With the new initPTS\n if (this.state === State.WAITING_INIT_PTS) {\n this.tick();\n }\n }\n }\n\n startLoad (startPosition) {\n if (this.tracks) {\n let lastCurrentTime = this.lastCurrentTime;\n this.stopLoad();\n this.setInterval(TICK_INTERVAL);\n this.fragLoadError = 0;\n if (lastCurrentTime > 0 && startPosition === -1) {\n logger.log(`audio:override startPosition with lastCurrentTime @${lastCurrentTime.toFixed(3)}`);\n this.state = State.IDLE;\n } else {\n this.lastCurrentTime = this.startPosition ? this.startPosition : startPosition;\n this.state = State.STARTING;\n }\n this.nextLoadPosition = this.startPosition = this.lastCurrentTime;\n this.tick();\n } else {\n this.startPosition = startPosition;\n this.state = State.STOPPED;\n }\n }\n\n set state (nextState) {\n if (this.state !== nextState) {\n const previousState = this.state;\n this._state = nextState;\n logger.log(`audio stream:${previousState}->${nextState}`);\n }\n }\n\n get state () {\n return this._state;\n }\n\n doTick () {\n let pos, track, trackDetails, hls = this.hls, config = hls.config;\n // logger.log('audioStream:' + this.state);\n switch (this.state) {\n case State.ERROR:\n // don't do anything in error state to avoid breaking further ...\n case State.PAUSED:\n // don't do anything in paused state either ...\n case State.BUFFER_FLUSHING:\n break;\n case State.STARTING:\n this.state = State.WAITING_TRACK;\n this.loadedmetadata = false;\n break;\n case State.IDLE:\n const tracks = this.tracks;\n // audio tracks not received => exit loop\n if (!tracks) {\n break;\n }\n\n // if video not attached AND\n // start fragment already requested OR start frag prefetch disable\n // exit loop\n // => if media not attached but start frag prefetch is enabled and start frag not requested yet, we will not exit loop\n if (!this.media &&\n (this.startFragRequested || !config.startFragPrefetch)) {\n break;\n }\n\n // determine next candidate fragment to be loaded, based on current position and\n // end of buffer position\n // if we have not yet loaded any fragment, start loading from start position\n if (this.loadedmetadata) {\n pos = this.media.currentTime;\n } else {\n pos = this.nextLoadPosition;\n if (pos === undefined) {\n break;\n }\n }\n let media = this.mediaBuffer ? this.mediaBuffer : this.media,\n videoBuffer = this.videoBuffer ? this.videoBuffer : this.media,\n bufferInfo = BufferHelper.bufferInfo(media, pos, config.maxBufferHole),\n mainBufferInfo = BufferHelper.bufferInfo(videoBuffer, pos, config.maxBufferHole),\n bufferLen = bufferInfo.len,\n bufferEnd = bufferInfo.end,\n fragPrevious = this.fragPrevious,\n // ensure we buffer at least config.maxBufferLength (default 30s) or config.maxMaxBufferLength (default: 600s)\n // whichever is smaller.\n // once we reach that threshold, don't buffer more than video (mainBufferInfo.len)\n maxConfigBuffer = Math.min(config.maxBufferLength, config.maxMaxBufferLength),\n maxBufLen = Math.max(maxConfigBuffer, mainBufferInfo.len),\n audioSwitch = this.audioSwitch,\n trackId = this.trackId;\n\n // if buffer length is less than maxBufLen try to load a new fragment\n if ((bufferLen < maxBufLen || audioSwitch) && trackId < tracks.length) {\n trackDetails = tracks[trackId].details;\n // if track info not retrieved yet, switch state and wait for track retrieval\n if (typeof trackDetails === 'undefined') {\n this.state = State.WAITING_TRACK;\n break;\n }\n\n if (!audioSwitch && this._streamEnded(bufferInfo, trackDetails)) {\n this.hls.trigger(Event.BUFFER_EOS, { type: 'audio' });\n this.state = State.ENDED;\n return;\n }\n\n // find fragment index, contiguous with end of buffer position\n let fragments = trackDetails.fragments,\n fragLen = fragments.length,\n start = fragments[0].start,\n end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration,\n frag;\n\n // When switching audio track, reload audio as close as possible to currentTime\n if (audioSwitch) {\n if (trackDetails.live && !trackDetails.PTSKnown) {\n logger.log('switching audiotrack, live stream, unknown PTS,load first fragment');\n bufferEnd = 0;\n } else {\n bufferEnd = pos;\n // if currentTime (pos) is less than alt audio playlist start time, it means that alt audio is ahead of currentTime\n if (trackDetails.PTSKnown && pos < start) {\n // if everything is buffered from pos to start or if audio buffer upfront, let's seek to start\n if (bufferInfo.end > start || bufferInfo.nextStart) {\n logger.log('alt audio track ahead of main track, seek to start of alt audio track');\n this.media.currentTime = start + 0.05;\n } else {\n return;\n }\n }\n }\n }\n if (trackDetails.initSegment && !trackDetails.initSegment.data) {\n frag = trackDetails.initSegment;\n } // eslint-disable-line brace-style\n // if bufferEnd before start of playlist, load first fragment\n else if (bufferEnd <= start) {\n frag = fragments[0];\n if (this.videoTrackCC !== null && frag.cc !== this.videoTrackCC) {\n // Ensure we find a fragment which matches the continuity of the video track\n frag = findFragWithCC(fragments, this.videoTrackCC);\n }\n if (trackDetails.live && frag.loadIdx && frag.loadIdx === this.fragLoadIdx) {\n // we just loaded this first fragment, and we are still lagging behind the start of the live playlist\n // let's force seek to start\n const nextBuffered = bufferInfo.nextStart ? bufferInfo.nextStart : start;\n logger.log(`no alt audio available @currentTime:${this.media.currentTime}, seeking @${nextBuffered + 0.05}`);\n this.media.currentTime = nextBuffered + 0.05;\n return;\n }\n } else {\n let foundFrag;\n let maxFragLookUpTolerance = config.maxFragLookUpTolerance;\n const fragNext = fragPrevious ? fragments[fragPrevious.sn - fragments[0].sn + 1] : undefined;\n let fragmentWithinToleranceTest = (candidate) => {\n // offset should be within fragment boundary - config.maxFragLookUpTolerance\n // this is to cope with situations like\n // bufferEnd = 9.991\n // frag[Ø] : [0,10]\n // frag[1] : [10,20]\n // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here\n // frag start frag start+duration\n // |-----------------------------|\n // <---> <--->\n // ...--------><-----------------------------><---------....\n // previous frag matching fragment next frag\n // return -1 return 0 return 1\n // logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`);\n // Set the lookup tolerance to be small enough to detect the current segment - ensures we don't skip over very small segments\n let candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration);\n if ((candidate.start + candidate.duration - candidateLookupTolerance) <= bufferEnd) {\n return 1;\n } else if (candidate.start - candidateLookupTolerance > bufferEnd && candidate.start) {\n // if maxFragLookUpTolerance will have negative value then don't return -1 for first element\n return -1;\n }\n\n return 0;\n };\n\n if (bufferEnd < end) {\n if (bufferEnd > end - maxFragLookUpTolerance) {\n maxFragLookUpTolerance = 0;\n }\n\n // Prefer the next fragment if it's within tolerance\n if (fragNext && !fragmentWithinToleranceTest(fragNext)) {\n foundFrag = fragNext;\n } else {\n foundFrag = BinarySearch.search(fragments, fragmentWithinToleranceTest);\n }\n } else {\n // reach end of playlist\n foundFrag = fragments[fragLen - 1];\n }\n if (foundFrag) {\n frag = foundFrag;\n start = foundFrag.start;\n // logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn);\n if (fragPrevious && frag.level === fragPrevious.level && frag.sn === fragPrevious.sn) {\n if (frag.sn < trackDetails.endSN) {\n frag = fragments[frag.sn + 1 - trackDetails.startSN];\n logger.log(`SN just loaded, load next one: ${frag.sn}`);\n } else {\n frag = null;\n }\n }\n }\n }\n if (frag) {\n // logger.log(' loading frag ' + i +',pos/bufEnd:' + pos.toFixed(3) + '/' + bufferEnd.toFixed(3));\n if (frag.encrypted) {\n logger.log(`Loading key for ${frag.sn} of [${trackDetails.startSN} ,${trackDetails.endSN}],track ${trackId}`);\n this.state = State.KEY_LOADING;\n hls.trigger(Event.KEY_LOADING, { frag: frag });\n } else {\n logger.log(`Loading ${frag.sn}, cc: ${frag.cc} of [${trackDetails.startSN} ,${trackDetails.endSN}],track ${trackId}, currentTime:${pos},bufferEnd:${bufferEnd.toFixed(3)}`);\n // only load if fragment is not loaded or if in audio switch\n // we force a frag loading in audio switch as fragment tracker might not have evicted previous frags in case of quick audio switch\n this.fragCurrent = frag;\n if (audioSwitch || this.fragmentTracker.getState(frag) === FragmentState.NOT_LOADED) {\n if (frag.sn !== 'initSegment') {\n this.startFragRequested = true;\n }\n if (Number.isFinite(frag.sn)) {\n this.nextLoadPosition = frag.start + frag.duration;\n }\n\n hls.trigger(Event.FRAG_LOADING, { frag });\n this.state = State.FRAG_LOADING;\n }\n }\n }\n }\n break;\n case State.WAITING_TRACK:\n track = this.tracks[this.trackId];\n // check if playlist is already loaded\n if (track && track.details) {\n this.state = State.IDLE;\n }\n\n break;\n case State.FRAG_LOADING_WAITING_RETRY:\n var now = performance.now();\n var retryDate = this.retryDate;\n media = this.media;\n var isSeeking = media && media.seeking;\n // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading\n if (!retryDate || (now >= retryDate) || isSeeking) {\n logger.log('audioStreamController: retryDate reached, switch back to IDLE state');\n this.state = State.IDLE;\n }\n break;\n case State.WAITING_INIT_PTS:\n const videoTrackCC = this.videoTrackCC;\n if (this.initPTS[videoTrackCC] === undefined) {\n break;\n }\n\n // Ensure we don't get stuck in the WAITING_INIT_PTS state if the waiting frag CC doesn't match any initPTS\n const waitingFrag = this.waitingFragment;\n if (waitingFrag) {\n const waitingFragCC = waitingFrag.frag.cc;\n if (videoTrackCC !== waitingFragCC) {\n track = this.tracks[this.trackId];\n if (track.details && track.details.live) {\n logger.warn(`Waiting fragment CC (${waitingFragCC}) does not match video track CC (${videoTrackCC})`);\n this.waitingFragment = null;\n this.state = State.IDLE;\n }\n } else {\n this.state = State.FRAG_LOADING;\n this.onFragLoaded(this.waitingFragment);\n this.waitingFragment = null;\n }\n } else {\n this.state = State.IDLE;\n }\n\n break;\n case State.STOPPED:\n case State.FRAG_LOADING:\n case State.PARSING:\n case State.PARSED:\n case State.ENDED:\n break;\n default:\n break;\n }\n }\n\n onMediaAttached (data) {\n let media = this.media = this.mediaBuffer = data.media;\n this.onvseeking = this.onMediaSeeking.bind(this);\n this.onvended = this.onMediaEnded.bind(this);\n media.addEventListener('seeking', this.onvseeking);\n media.addEventListener('ended', this.onvended);\n let config = this.config;\n if (this.tracks && config.autoStartLoad) {\n this.startLoad(config.startPosition);\n }\n }\n\n onMediaDetaching () {\n let media = this.media;\n if (media && media.ended) {\n logger.log('MSE detaching and video ended, reset startPosition');\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n // remove video listeners\n if (media) {\n media.removeEventListener('seeking', this.onvseeking);\n media.removeEventListener('ended', this.onvended);\n this.onvseeking = this.onvseeked = this.onvended = null;\n }\n this.media = this.mediaBuffer = this.videoBuffer = null;\n this.loadedmetadata = false;\n this.fragmentTracker.removeAllFragments();\n this.stopLoad();\n }\n\n onAudioTracksUpdated (data) {\n logger.log('audio tracks updated');\n this.tracks = data.audioTracks;\n }\n\n onAudioTrackSwitching (data) {\n // if any URL found on new audio track, it is an alternate audio track\n let altAudio = !!data.url;\n this.trackId = data.id;\n\n this.fragCurrent = null;\n this.state = State.PAUSED;\n this.waitingFragment = null;\n // destroy useless demuxer when switching audio to main\n if (!altAudio) {\n if (this.demuxer) {\n this.demuxer.destroy();\n this.demuxer = null;\n }\n } else {\n // switching to audio track, start timer if not already started\n this.setInterval(TICK_INTERVAL);\n }\n\n // should we switch tracks ?\n if (altAudio) {\n this.audioSwitch = true;\n // main audio track are handled by stream-controller, just do something if switching to alt audio track\n this.state = State.IDLE;\n }\n this.tick();\n }\n\n onAudioTrackLoaded (data) {\n let newDetails = data.details,\n trackId = data.id,\n track = this.tracks[trackId],\n duration = newDetails.totalduration,\n sliding = 0;\n\n logger.log(`track ${trackId} loaded [${newDetails.startSN},${newDetails.endSN}],duration:${duration}`);\n\n if (newDetails.live) {\n let curDetails = track.details;\n if (curDetails && newDetails.fragments.length > 0) {\n // we already have details for that level, merge them\n LevelHelper.mergeDetails(curDetails, newDetails);\n sliding = newDetails.fragments[0].start;\n // TODO\n // this.liveSyncPosition = this.computeLivePosition(sliding, curDetails);\n if (newDetails.PTSKnown) {\n logger.log(`live audio playlist sliding:${sliding.toFixed(3)}`);\n } else {\n logger.log('live audio playlist - outdated PTS, unknown sliding');\n }\n } else {\n newDetails.PTSKnown = false;\n logger.log('live audio playlist - first load, unknown sliding');\n }\n } else {\n newDetails.PTSKnown = false;\n }\n track.details = newDetails;\n\n // compute start position\n if (!this.startFragRequested) {\n // compute start position if set to -1. use it straight away if value is defined\n if (this.startPosition === -1) {\n // first, check if start time offset has been set in playlist, if yes, use this value\n let startTimeOffset = newDetails.startTimeOffset;\n if (Number.isFinite(startTimeOffset)) {\n logger.log(`start time offset found in playlist, adjust startPosition to ${startTimeOffset}`);\n this.startPosition = startTimeOffset;\n } else {\n if (newDetails.live) {\n this.startPosition = this.computeLivePosition(sliding, newDetails);\n logger.log(`compute startPosition for audio-track to ${this.startPosition}`);\n } else {\n this.startPosition = 0;\n }\n }\n }\n this.nextLoadPosition = this.startPosition;\n }\n // only switch batck to IDLE state if we were waiting for track to start downloading a new fragment\n if (this.state === State.WAITING_TRACK) {\n this.state = State.IDLE;\n }\n\n // trigger handler right now\n this.tick();\n }\n\n onKeyLoaded () {\n if (this.state === State.KEY_LOADING) {\n this.state = State.IDLE;\n this.tick();\n }\n }\n\n onFragLoaded (data) {\n let fragCurrent = this.fragCurrent,\n fragLoaded = data.frag;\n if (this.state === State.FRAG_LOADING &&\n fragCurrent &&\n fragLoaded.type === 'audio' &&\n fragLoaded.level === fragCurrent.level &&\n fragLoaded.sn === fragCurrent.sn) {\n let track = this.tracks[this.trackId],\n details = track.details,\n duration = details.totalduration,\n trackId = fragCurrent.level,\n sn = fragCurrent.sn,\n cc = fragCurrent.cc,\n audioCodec = this.config.defaultAudioCodec || track.audioCodec || 'mp4a.40.2',\n stats = this.stats = data.stats;\n if (sn === 'initSegment') {\n this.state = State.IDLE;\n\n stats.tparsed = stats.tbuffered = performance.now();\n details.initSegment.data = data.payload;\n this.hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'audio' });\n this.tick();\n } else {\n this.state = State.PARSING;\n // transmux the MPEG-TS data to ISO-BMFF segments\n this.appended = false;\n if (!this.demuxer) {\n this.demuxer = new Demuxer(this.hls, 'audio');\n }\n\n // Check if we have video initPTS\n // If not we need to wait for it\n let initPTS = this.initPTS[cc];\n let initSegmentData = details.initSegment ? details.initSegment.data : [];\n if (details.initSegment || initPTS !== undefined) {\n this.pendingBuffering = true;\n logger.log(`Demuxing ${sn} of [${details.startSN} ,${details.endSN}],track ${trackId}`);\n // time Offset is accurate if level PTS is known, or if playlist is not sliding (not live)\n let accurateTimeOffset = false; // details.PTSKnown || !details.live;\n this.demuxer.push(data.payload, initSegmentData, audioCodec, null, fragCurrent, duration, accurateTimeOffset, initPTS);\n } else {\n logger.log(`unknown video PTS for continuity counter ${cc}, waiting for video PTS before demuxing audio frag ${sn} of [${details.startSN} ,${details.endSN}],track ${trackId}`);\n this.waitingFragment = data;\n this.state = State.WAITING_INIT_PTS;\n }\n }\n }\n this.fragLoadError = 0;\n }\n\n onFragParsingInitSegment (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'audio' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n let tracks = data.tracks, track;\n\n // delete any video track found on audio demuxer\n if (tracks.video) {\n delete tracks.video;\n }\n\n // include levelCodec in audio and video tracks\n track = tracks.audio;\n if (track) {\n track.levelCodec = track.codec;\n track.id = data.id;\n this.hls.trigger(Event.BUFFER_CODECS, tracks);\n logger.log(`audio track:audio,container:${track.container},codecs[level/parsed]=[${track.levelCodec}/${track.codec}]`);\n let initSegment = track.initSegment;\n if (initSegment) {\n let appendObj = { type: 'audio', data: initSegment, parent: 'audio', content: 'initSegment' };\n if (this.audioSwitch) {\n this.pendingData = [appendObj];\n } else {\n this.appended = true;\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n this.hls.trigger(Event.BUFFER_APPENDING, appendObj);\n }\n }\n // trigger handler right now\n this.tick();\n }\n }\n }\n\n onFragParsingData (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'audio' &&\n data.type === 'audio' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n let trackId = this.trackId,\n track = this.tracks[trackId],\n hls = this.hls;\n\n if (!Number.isFinite(data.endPTS)) {\n data.endPTS = data.startPTS + fragCurrent.duration;\n data.endDTS = data.startDTS + fragCurrent.duration;\n }\n\n fragCurrent.addElementaryStream(ElementaryStreamTypes.AUDIO);\n\n logger.log(`parsed ${data.type},PTS:[${data.startPTS.toFixed(3)},${data.endPTS.toFixed(3)}],DTS:[${data.startDTS.toFixed(3)}/${data.endDTS.toFixed(3)}],nb:${data.nb}`);\n LevelHelper.updateFragPTSDTS(track.details, fragCurrent, data.startPTS, data.endPTS);\n\n let audioSwitch = this.audioSwitch, media = this.media, appendOnBufferFlush = false;\n // Only flush audio from old audio tracks when PTS is known on new audio track\n if (audioSwitch) {\n if (media && media.readyState) {\n let currentTime = media.currentTime;\n logger.log('switching audio track : currentTime:' + currentTime);\n if (currentTime >= data.startPTS) {\n logger.log('switching audio track : flushing all audio');\n this.state = State.BUFFER_FLUSHING;\n hls.trigger(Event.BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' });\n appendOnBufferFlush = true;\n // Lets announce that the initial audio track switch flush occur\n this.audioSwitch = false;\n hls.trigger(Event.AUDIO_TRACK_SWITCHED, { id: trackId });\n }\n } else {\n // Lets announce that the initial audio track switch flush occur\n this.audioSwitch = false;\n hls.trigger(Event.AUDIO_TRACK_SWITCHED, { id: trackId });\n }\n }\n\n let pendingData = this.pendingData;\n\n if (!pendingData) {\n logger.warn('Apparently attempt to enqueue media payload without codec initialization data upfront');\n hls.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: null, fatal: true });\n return;\n }\n\n if (!this.audioSwitch) {\n [data.data1, data.data2].forEach(buffer => {\n if (buffer && buffer.length) {\n pendingData.push({ type: data.type, data: buffer, parent: 'audio', content: 'data' });\n }\n });\n if (!appendOnBufferFlush && pendingData.length) {\n pendingData.forEach(appendObj => {\n // only append in PARSING state (rationale is that an appending error could happen synchronously on first segment appending)\n // in that case it is useless to append following segments\n if (this.state === State.PARSING) {\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n this.hls.trigger(Event.BUFFER_APPENDING, appendObj);\n }\n });\n this.pendingData = [];\n this.appended = true;\n }\n }\n // trigger handler right now\n this.tick();\n }\n }\n\n onFragParsed (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'audio' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n this.stats.tparsed = performance.now();\n this.state = State.PARSED;\n this._checkAppendedParsed();\n }\n }\n\n onBufferReset () {\n // reset reference to sourcebuffers\n this.mediaBuffer = this.videoBuffer = null;\n this.loadedmetadata = false;\n }\n\n onBufferCreated (data) {\n let audioTrack = data.tracks.audio;\n if (audioTrack) {\n this.mediaBuffer = audioTrack.buffer;\n this.loadedmetadata = true;\n }\n if (data.tracks.video) {\n this.videoBuffer = data.tracks.video.buffer;\n }\n }\n\n onBufferAppended (data) {\n if (data.parent === 'audio') {\n const state = this.state;\n if (state === State.PARSING || state === State.PARSED) {\n // check if all buffers have been appended\n this.pendingBuffering = (data.pending > 0);\n this._checkAppendedParsed();\n }\n }\n }\n\n _checkAppendedParsed () {\n // trigger handler right now\n if (this.state === State.PARSED && (!this.appended || !this.pendingBuffering)) {\n let frag = this.fragCurrent, stats = this.stats, hls = this.hls;\n if (frag) {\n this.fragPrevious = frag;\n stats.tbuffered = performance.now();\n hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: frag, id: 'audio' });\n let media = this.mediaBuffer ? this.mediaBuffer : this.media;\n if (media) {\n logger.log(`audio buffered : ${TimeRanges.toString(media.buffered)}`);\n }\n if (this.audioSwitch && this.appended) {\n this.audioSwitch = false;\n hls.trigger(Event.AUDIO_TRACK_SWITCHED, { id: this.trackId });\n }\n this.state = State.IDLE;\n }\n this.tick();\n }\n }\n\n onError (data) {\n let frag = data.frag;\n // don't handle frag error not related to audio fragment\n if (frag && frag.type !== 'audio') {\n return;\n }\n\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n const frag = data.frag;\n // don't handle frag error not related to audio fragment\n if (frag && frag.type !== 'audio') {\n break;\n }\n\n if (!data.fatal) {\n let loadError = this.fragLoadError;\n if (loadError) {\n loadError++;\n } else {\n loadError = 1;\n }\n\n const config = this.config;\n if (loadError <= config.fragLoadingMaxRetry) {\n this.fragLoadError = loadError;\n // exponential backoff capped to config.fragLoadingMaxRetryTimeout\n const delay = Math.min(Math.pow(2, loadError - 1) * config.fragLoadingRetryDelay, config.fragLoadingMaxRetryTimeout);\n logger.warn(`AudioStreamController: frag loading failed, retry in ${delay} ms`);\n this.retryDate = performance.now() + delay;\n // retry loading state\n this.state = State.FRAG_LOADING_WAITING_RETRY;\n } else {\n logger.error(`AudioStreamController: ${data.details} reaches max retry, redispatch as fatal ...`);\n // switch error to fatal\n data.fatal = true;\n this.state = State.ERROR;\n }\n }\n break;\n case ErrorDetails.AUDIO_TRACK_LOAD_ERROR:\n case ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n // when in ERROR state, don't switch back to IDLE state in case a non-fatal error is received\n if (this.state !== State.ERROR) {\n // if fatal error, stop processing, otherwise move to IDLE to retry loading\n this.state = data.fatal ? State.ERROR : State.IDLE;\n logger.warn(`AudioStreamController: ${data.details} while loading frag, now switching to ${this.state} state ...`);\n }\n break;\n case ErrorDetails.BUFFER_FULL_ERROR:\n // if in appending state\n if (data.parent === 'audio' && (this.state === State.PARSING || this.state === State.PARSED)) {\n const media = this.mediaBuffer,\n currentTime = this.media.currentTime,\n mediaBuffered = media && BufferHelper.isBuffered(media, currentTime) && BufferHelper.isBuffered(media, currentTime + 0.5);\n // reduce max buf len if current position is buffered\n if (mediaBuffered) {\n const config = this.config;\n if (config.maxMaxBufferLength >= config.maxBufferLength) {\n // reduce max buffer length as it might be too high. we do this to avoid loop flushing ...\n config.maxMaxBufferLength /= 2;\n logger.warn(`AudioStreamController: reduce max buffer length to ${config.maxMaxBufferLength}s`);\n }\n this.state = State.IDLE;\n } else {\n // current position is not buffered, but browser is still complaining about buffer full error\n // this happens on IE/Edge, refer to https://github.com/video-dev/hls.js/pull/708\n // in that case flush the whole audio buffer to recover\n logger.warn('AudioStreamController: buffer full error also media.currentTime is not buffered, flush audio buffer');\n this.fragCurrent = null;\n // flush everything\n this.state = State.BUFFER_FLUSHING;\n this.hls.trigger(Event.BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' });\n }\n }\n break;\n default:\n break;\n }\n }\n\n onBufferFlushed () {\n let pendingData = this.pendingData;\n if (pendingData && pendingData.length) {\n logger.log('AudioStreamController: appending pending audio data after buffer flushed');\n pendingData.forEach(appendObj => {\n this.hls.trigger(Event.BUFFER_APPENDING, appendObj);\n });\n this.appended = true;\n this.pendingData = [];\n this.state = State.PARSED;\n } else {\n // move to IDLE once flush complete. this should trigger new fragment loading\n this.state = State.IDLE;\n // reset reference to frag\n this.fragPrevious = null;\n this.tick();\n }\n }\n}\nexport default AudioStreamController;\n","/**\n * Copyright 2013 vtt.js Contributors\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nexport default (function () {\n if (typeof window !== 'undefined' && window.VTTCue) {\n return window.VTTCue;\n }\n\n let autoKeyword = 'auto';\n let directionSetting = {\n '': true,\n lr: true,\n rl: true\n };\n let alignSetting = {\n start: true,\n middle: true,\n end: true,\n left: true,\n right: true\n };\n\n function findDirectionSetting (value) {\n if (typeof value !== 'string') {\n return false;\n }\n\n let dir = directionSetting[value.toLowerCase()];\n return dir ? value.toLowerCase() : false;\n }\n\n function findAlignSetting (value) {\n if (typeof value !== 'string') {\n return false;\n }\n\n let align = alignSetting[value.toLowerCase()];\n return align ? value.toLowerCase() : false;\n }\n\n function extend (obj) {\n let i = 1;\n for (; i < arguments.length; i++) {\n let cobj = arguments[i];\n for (let p in cobj) {\n obj[p] = cobj[p];\n }\n }\n\n return obj;\n }\n\n function VTTCue (startTime, endTime, text) {\n let cue = this;\n let baseObj = {};\n\n baseObj.enumerable = true;\n\n /**\n * Shim implementation specific properties. These properties are not in\n * the spec.\n */\n\n // Lets us know when the VTTCue's data has changed in such a way that we need\n // to recompute its display state. This lets us compute its display state\n // lazily.\n cue.hasBeenReset = false;\n\n /**\n * VTTCue and TextTrackCue properties\n * http://dev.w3.org/html5/webvtt/#vttcue-interface\n */\n\n let _id = '';\n let _pauseOnExit = false;\n let _startTime = startTime;\n let _endTime = endTime;\n let _text = text;\n let _region = null;\n let _vertical = '';\n let _snapToLines = true;\n let _line = 'auto';\n let _lineAlign = 'start';\n let _position = 50;\n let _positionAlign = 'middle';\n let _size = 50;\n let _align = 'middle';\n\n Object.defineProperty(cue, 'id', extend({}, baseObj, {\n get: function () {\n return _id;\n },\n set: function (value) {\n _id = '' + value;\n }\n }));\n\n Object.defineProperty(cue, 'pauseOnExit', extend({}, baseObj, {\n get: function () {\n return _pauseOnExit;\n },\n set: function (value) {\n _pauseOnExit = !!value;\n }\n }));\n\n Object.defineProperty(cue, 'startTime', extend({}, baseObj, {\n get: function () {\n return _startTime;\n },\n set: function (value) {\n if (typeof value !== 'number') {\n throw new TypeError('Start time must be set to a number.');\n }\n\n _startTime = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'endTime', extend({}, baseObj, {\n get: function () {\n return _endTime;\n },\n set: function (value) {\n if (typeof value !== 'number') {\n throw new TypeError('End time must be set to a number.');\n }\n\n _endTime = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'text', extend({}, baseObj, {\n get: function () {\n return _text;\n },\n set: function (value) {\n _text = '' + value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'region', extend({}, baseObj, {\n get: function () {\n return _region;\n },\n set: function (value) {\n _region = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'vertical', extend({}, baseObj, {\n get: function () {\n return _vertical;\n },\n set: function (value) {\n let setting = findDirectionSetting(value);\n // Have to check for false because the setting an be an empty string.\n if (setting === false) {\n throw new SyntaxError('An invalid or illegal string was specified.');\n }\n\n _vertical = setting;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'snapToLines', extend({}, baseObj, {\n get: function () {\n return _snapToLines;\n },\n set: function (value) {\n _snapToLines = !!value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'line', extend({}, baseObj, {\n get: function () {\n return _line;\n },\n set: function (value) {\n if (typeof value !== 'number' && value !== autoKeyword) {\n throw new SyntaxError('An invalid number or illegal string was specified.');\n }\n\n _line = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'lineAlign', extend({}, baseObj, {\n get: function () {\n return _lineAlign;\n },\n set: function (value) {\n let setting = findAlignSetting(value);\n if (!setting) {\n throw new SyntaxError('An invalid or illegal string was specified.');\n }\n\n _lineAlign = setting;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'position', extend({}, baseObj, {\n get: function () {\n return _position;\n },\n set: function (value) {\n if (value < 0 || value > 100) {\n throw new Error('Position must be between 0 and 100.');\n }\n\n _position = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'positionAlign', extend({}, baseObj, {\n get: function () {\n return _positionAlign;\n },\n set: function (value) {\n let setting = findAlignSetting(value);\n if (!setting) {\n throw new SyntaxError('An invalid or illegal string was specified.');\n }\n\n _positionAlign = setting;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'size', extend({}, baseObj, {\n get: function () {\n return _size;\n },\n set: function (value) {\n if (value < 0 || value > 100) {\n throw new Error('Size must be between 0 and 100.');\n }\n\n _size = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'align', extend({}, baseObj, {\n get: function () {\n return _align;\n },\n set: function (value) {\n let setting = findAlignSetting(value);\n if (!setting) {\n throw new SyntaxError('An invalid or illegal string was specified.');\n }\n\n _align = setting;\n this.hasBeenReset = true;\n }\n }));\n\n /**\n * Other <track> spec defined properties\n */\n\n // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#text-track-cue-display-state\n cue.displayState = void 0;\n }\n\n /**\n * VTTCue methods\n */\n\n VTTCue.prototype.getCueAsHTML = function () {\n // Assume WebVTT.convertCueToDOMTree is on the global.\n let WebVTT = window.WebVTT;\n return WebVTT.convertCueToDOMTree(window, this.text);\n };\n\n return VTTCue;\n})();\n","/*\n * Source: https://github.com/mozilla/vtt.js/blob/master/dist/vtt.js#L1716\n */\n\nimport VTTCue from './vttcue';\n\nconst StringDecoder = function StringDecoder () {\n return {\n decode: function (data) {\n if (!data) {\n return '';\n }\n\n if (typeof data !== 'string') {\n throw new Error('Error - expected string data.');\n }\n\n return decodeURIComponent(encodeURIComponent(data));\n }\n };\n};\n\nfunction VTTParser () {\n this.window = window;\n this.state = 'INITIAL';\n this.buffer = '';\n this.decoder = new StringDecoder();\n this.regionList = [];\n}\n\n// Try to parse input as a time stamp.\nfunction parseTimeStamp (input) {\n function computeSeconds (h, m, s, f) {\n return (h | 0) * 3600 + (m | 0) * 60 + (s | 0) + (f | 0) / 1000;\n }\n\n let m = input.match(/^(\\d+):(\\d{2})(:\\d{2})?\\.(\\d{3})/);\n if (!m) {\n return null;\n }\n\n if (m[3]) {\n // Timestamp takes the form of [hours]:[minutes]:[seconds].[milliseconds]\n return computeSeconds(m[1], m[2], m[3].replace(':', ''), m[4]);\n } else if (m[1] > 59) {\n // Timestamp takes the form of [hours]:[minutes].[milliseconds]\n // First position is hours as it's over 59.\n return computeSeconds(m[1], m[2], 0, m[4]);\n } else {\n // Timestamp takes the form of [minutes]:[seconds].[milliseconds]\n return computeSeconds(0, m[1], m[2], m[4]);\n }\n}\n\n// A settings object holds key/value pairs and will ignore anything but the first\n// assignment to a specific key.\nfunction Settings () {\n this.values = Object.create(null);\n}\n\nSettings.prototype = {\n // Only accept the first assignment to any key.\n set: function (k, v) {\n if (!this.get(k) && v !== '') {\n this.values[k] = v;\n }\n },\n // Return the value for a key, or a default value.\n // If 'defaultKey' is passed then 'dflt' is assumed to be an object with\n // a number of possible default values as properties where 'defaultKey' is\n // the key of the property that will be chosen; otherwise it's assumed to be\n // a single value.\n get: function (k, dflt, defaultKey) {\n if (defaultKey) {\n return this.has(k) ? this.values[k] : dflt[defaultKey];\n }\n\n return this.has(k) ? this.values[k] : dflt;\n },\n // Check whether we have a value for a key.\n has: function (k) {\n return k in this.values;\n },\n // Accept a setting if its one of the given alternatives.\n alt: function (k, v, a) {\n for (let n = 0; n < a.length; ++n) {\n if (v === a[n]) {\n this.set(k, v);\n break;\n }\n }\n },\n // Accept a setting if its a valid (signed) integer.\n integer: function (k, v) {\n if (/^-?\\d+$/.test(v)) { // integer\n this.set(k, parseInt(v, 10));\n }\n },\n // Accept a setting if its a valid percentage.\n percent: function (k, v) {\n let m;\n if ((m = v.match(/^([\\d]{1,3})(\\.[\\d]*)?%$/))) {\n v = parseFloat(v);\n if (v >= 0 && v <= 100) {\n this.set(k, v);\n return true;\n }\n }\n return false;\n }\n};\n\n// Helper function to parse input into groups separated by 'groupDelim', and\n// interprete each group as a key/value pair separated by 'keyValueDelim'.\nfunction parseOptions (input, callback, keyValueDelim, groupDelim) {\n let groups = groupDelim ? input.split(groupDelim) : [input];\n for (let i in groups) {\n if (typeof groups[i] !== 'string') {\n continue;\n }\n\n let kv = groups[i].split(keyValueDelim);\n if (kv.length !== 2) {\n continue;\n }\n\n let k = kv[0];\n let v = kv[1];\n callback(k, v);\n }\n}\n\nlet defaults = new VTTCue(0, 0, 0);\n// 'middle' was changed to 'center' in the spec: https://github.com/w3c/webvtt/pull/244\n// Safari doesn't yet support this change, but FF and Chrome do.\nlet center = defaults.align === 'middle' ? 'middle' : 'center';\n\nfunction parseCue (input, cue, regionList) {\n // Remember the original input if we need to throw an error.\n let oInput = input;\n // 4.1 WebVTT timestamp\n function consumeTimeStamp () {\n let ts = parseTimeStamp(input);\n if (ts === null) {\n throw new Error('Malformed timestamp: ' + oInput);\n }\n\n // Remove time stamp from input.\n input = input.replace(/^[^\\sa-zA-Z-]+/, '');\n return ts;\n }\n\n // 4.4.2 WebVTT cue settings\n function consumeCueSettings (input, cue) {\n let settings = new Settings();\n\n parseOptions(input, function (k, v) {\n switch (k) {\n case 'region':\n // Find the last region we parsed with the same region id.\n for (let i = regionList.length - 1; i >= 0; i--) {\n if (regionList[i].id === v) {\n settings.set(k, regionList[i].region);\n break;\n }\n }\n break;\n case 'vertical':\n settings.alt(k, v, ['rl', 'lr']);\n break;\n case 'line':\n var vals = v.split(','),\n vals0 = vals[0];\n settings.integer(k, vals0);\n if (settings.percent(k, vals0)) {\n settings.set('snapToLines', false);\n }\n\n settings.alt(k, vals0, ['auto']);\n if (vals.length === 2) {\n settings.alt('lineAlign', vals[1], ['start', center, 'end']);\n }\n\n break;\n case 'position':\n vals = v.split(',');\n settings.percent(k, vals[0]);\n if (vals.length === 2) {\n settings.alt('positionAlign', vals[1], ['start', center, 'end', 'line-left', 'line-right', 'auto']);\n }\n\n break;\n case 'size':\n settings.percent(k, v);\n break;\n case 'align':\n settings.alt(k, v, ['start', center, 'end', 'left', 'right']);\n break;\n }\n }, /:/, /\\s/);\n\n // Apply default values for any missing fields.\n cue.region = settings.get('region', null);\n cue.vertical = settings.get('vertical', '');\n let line = settings.get('line', 'auto');\n if (line === 'auto' && defaults.line === -1) {\n // set numeric line number for Safari\n line = -1;\n }\n cue.line = line;\n cue.lineAlign = settings.get('lineAlign', 'start');\n cue.snapToLines = settings.get('snapToLines', true);\n cue.size = settings.get('size', 100);\n cue.align = settings.get('align', center);\n let position = settings.get('position', 'auto');\n if (position === 'auto' && defaults.position === 50) {\n // set numeric position for Safari\n position = cue.align === 'start' || cue.align === 'left' ? 0 : cue.align === 'end' || cue.align === 'right' ? 100 : 50;\n }\n cue.position = position;\n }\n\n function skipWhitespace () {\n input = input.replace(/^\\s+/, '');\n }\n\n // 4.1 WebVTT cue timings.\n skipWhitespace();\n cue.startTime = consumeTimeStamp(); // (1) collect cue start time\n skipWhitespace();\n if (input.substr(0, 3) !== '-->') { // (3) next characters must match '-->'\n throw new Error('Malformed time stamp (time stamps must be separated by \\'-->\\'): ' +\n oInput);\n }\n input = input.substr(3);\n skipWhitespace();\n cue.endTime = consumeTimeStamp(); // (5) collect cue end time\n\n // 4.1 WebVTT cue settings list.\n skipWhitespace();\n consumeCueSettings(input, cue);\n}\n\nfunction fixLineBreaks (input) {\n return input.replace(/<br(?: \\/)?>/gi, '\\n');\n}\n\nVTTParser.prototype = {\n parse: function (data) {\n let self = this;\n\n // If there is no data then we won't decode it, but will just try to parse\n // whatever is in buffer already. This may occur in circumstances, for\n // example when flush() is called.\n if (data) {\n // Try to decode the data that we received.\n self.buffer += self.decoder.decode(data, { stream: true });\n }\n\n function collectNextLine () {\n let buffer = self.buffer;\n let pos = 0;\n\n buffer = fixLineBreaks(buffer);\n\n while (pos < buffer.length && buffer[pos] !== '\\r' && buffer[pos] !== '\\n') {\n ++pos;\n }\n\n let line = buffer.substr(0, pos);\n // Advance the buffer early in case we fail below.\n if (buffer[pos] === '\\r') {\n ++pos;\n }\n\n if (buffer[pos] === '\\n') {\n ++pos;\n }\n\n self.buffer = buffer.substr(pos);\n return line;\n }\n\n // 3.2 WebVTT metadata header syntax\n function parseHeader (input) {\n parseOptions(input, function (k, v) {\n switch (k) {\n case 'Region':\n // 3.3 WebVTT region metadata header syntax\n // console.log('parse region', v);\n // parseRegion(v);\n break;\n }\n }, /:/);\n }\n\n // 5.1 WebVTT file parsing.\n try {\n let line;\n if (self.state === 'INITIAL') {\n // We can't start parsing until we have the first line.\n if (!/\\r\\n|\\n/.test(self.buffer)) {\n return this;\n }\n\n line = collectNextLine();\n // strip of UTF-8 BOM if any\n // https://en.wikipedia.org/wiki/Byte_order_mark#UTF-8\n let m = line.match(/^()?WEBVTT([ \\t].*)?$/);\n if (!m || !m[0]) {\n throw new Error('Malformed WebVTT signature.');\n }\n\n self.state = 'HEADER';\n }\n\n let alreadyCollectedLine = false;\n while (self.buffer) {\n // We can't parse a line until we have the full line.\n if (!/\\r\\n|\\n/.test(self.buffer)) {\n return this;\n }\n\n if (!alreadyCollectedLine) {\n line = collectNextLine();\n } else {\n alreadyCollectedLine = false;\n }\n\n switch (self.state) {\n case 'HEADER':\n // 13-18 - Allow a header (metadata) under the WEBVTT line.\n if (/:/.test(line)) {\n parseHeader(line);\n } else if (!line) {\n // An empty line terminates the header and starts the body (cues).\n self.state = 'ID';\n }\n continue;\n case 'NOTE':\n // Ignore NOTE blocks.\n if (!line) {\n self.state = 'ID';\n }\n\n continue;\n case 'ID':\n // Check for the start of NOTE blocks.\n if (/^NOTE($|[ \\t])/.test(line)) {\n self.state = 'NOTE';\n break;\n }\n // 19-29 - Allow any number of line terminators, then initialize new cue values.\n if (!line) {\n continue;\n }\n\n self.cue = new VTTCue(0, 0, '');\n self.state = 'CUE';\n // 30-39 - Check if self line contains an optional identifier or timing data.\n if (line.indexOf('-->') === -1) {\n self.cue.id = line;\n continue;\n }\n // Process line as start of a cue.\n /* falls through */\n case 'CUE':\n // 40 - Collect cue timings and settings.\n try {\n parseCue(line, self.cue, self.regionList);\n } catch (e) {\n // In case of an error ignore rest of the cue.\n self.cue = null;\n self.state = 'BADCUE';\n continue;\n }\n self.state = 'CUETEXT';\n continue;\n case 'CUETEXT':\n var hasSubstring = line.indexOf('-->') !== -1;\n // 34 - If we have an empty line then report the cue.\n // 35 - If we have the special substring '-->' then report the cue,\n // but do not collect the line as we need to process the current\n // one as a new cue.\n if (!line || hasSubstring && (alreadyCollectedLine = true)) {\n // We are done parsing self cue.\n if (self.oncue) {\n self.oncue(self.cue);\n }\n\n self.cue = null;\n self.state = 'ID';\n continue;\n }\n if (self.cue.text) {\n self.cue.text += '\\n';\n }\n\n self.cue.text += line;\n continue;\n case 'BADCUE': // BADCUE\n // 54-62 - Collect and discard the remaining cue.\n if (!line) {\n self.state = 'ID';\n }\n\n continue;\n }\n }\n } catch (e) {\n // If we are currently parsing a cue, report what we have.\n if (self.state === 'CUETEXT' && self.cue && self.oncue) {\n self.oncue(self.cue);\n }\n\n self.cue = null;\n // Enter BADWEBVTT state if header was not parsed correctly otherwise\n // another exception occurred so enter BADCUE state.\n self.state = self.state === 'INITIAL' ? 'BADWEBVTT' : 'BADCUE';\n }\n return this;\n },\n flush: function () {\n let self = this;\n try {\n // Finish decoding the stream.\n self.buffer += self.decoder.decode();\n // Synthesize the end of the current cue or region.\n if (self.cue || self.state === 'HEADER') {\n self.buffer += '\\n\\n';\n self.parse();\n }\n // If we've flushed, parsed, and we're still on the INITIAL state then\n // that means we don't have enough of the stream to parse the first\n // line.\n if (self.state === 'INITIAL') {\n throw new Error('Malformed WebVTT signature.');\n }\n } catch (e) {\n throw e;\n }\n if (self.onflush) {\n self.onflush();\n }\n\n return this;\n }\n};\n\nexport { fixLineBreaks };\n\nexport default VTTParser;\n","import { fixLineBreaks } from './vttparser';\nimport { CaptionScreen, Row } from './cea-608-parser';\n\ninterface VTTCue extends TextTrackCue {\n new(start: number, end: number, cueText: string): VTTCue\n line: number\n align: string\n position: number\n}\n\nexport function newCue (track: TextTrack, startTime: number, endTime: number, captionScreen: CaptionScreen) {\n let row: Row;\n // the type data states this is VTTCue, but it can potentially be a TextTrackCue on old browsers\n let cue: VTTCue;\n let indenting: boolean;\n let indent: number;\n let text: string;\n let VTTCue: VTTCue = (window as any).VTTCue as VTTCue || TextTrackCue;\n\n for (let r = 0; r < captionScreen.rows.length; r++) {\n row = captionScreen.rows[r];\n indenting = true;\n indent = 0;\n text = '';\n\n if (!row.isEmpty()) {\n for (let c = 0; c < row.chars.length; c++) {\n if (row.chars[c].uchar.match(/\\s/) && indenting) {\n indent++;\n } else {\n text += row.chars[c].uchar;\n indenting = false;\n }\n }\n // To be used for cleaning-up orphaned roll-up captions\n row.cueStartTime = startTime;\n\n // Give a slight bump to the endTime if it's equal to startTime to avoid a SyntaxError in IE\n if (startTime === endTime) {\n endTime += 0.0001;\n }\n\n cue = new VTTCue(startTime, endTime, fixLineBreaks(text.trim()));\n\n if (indent >= 16) {\n indent--;\n } else {\n indent++;\n }\n\n // VTTCue.line get's flakey when using controls, so let's now include line 13&14\n // also, drop line 1 since it's to close to the top\n if (navigator.userAgent.match(/Firefox\\//)) {\n cue.line = r + 1;\n } else {\n cue.line = (r > 7 ? r - 2 : r + 1);\n }\n\n cue.align = 'left';\n // Clamp the position between 0 and 100 - if out of these bounds, Firefox throws an exception and captions break\n cue.position = Math.max(0, Math.min(100, 100 * (indent / 32)));\n track.addCue(cue);\n }\n }\n}\n","import OutputFilter from './output-filter';\n\n/**\n *\n * This code was ported from the dash.js project at:\n * https://github.com/Dash-Industry-Forum/dash.js/blob/development/externals/cea608-parser.js\n * https://github.com/Dash-Industry-Forum/dash.js/commit/8269b26a761e0853bb21d78780ed945144ecdd4d#diff-71bc295a2d6b6b7093a1d3290d53a4b2\n *\n * The original copyright appears below:\n *\n * The copyright in this software is being made available under the BSD License,\n * included below. This software may be subject to other third party and contributor\n * rights, including patent rights, and no such rights are granted under this license.\n *\n * Copyright (c) 2015-2016, DASH Industry Forum.\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification,\n * are permitted provided that the following conditions are met:\n * 1. Redistributions of source code must retain the above copyright notice, this\n * list of conditions and the following disclaimer.\n * * Redistributions in binary form must reproduce the above copyright notice,\n * this list of conditions and the following disclaimer in the documentation and/or\n * other materials provided with the distribution.\n * 2. Neither the name of Dash Industry Forum nor the names of its\n * contributors may be used to endorse or promote products derived from this software\n * without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY\n * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\n * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,\n * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\n * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\n * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n * POSSIBILITY OF SUCH DAMAGE.\n */\n/**\n * Exceptions from regular ASCII. CodePoints are mapped to UTF-16 codes\n */\n\nlet specialCea608CharsCodes = {\n 0x2a: 0xe1, // lowercase a, acute accent\n 0x5c: 0xe9, // lowercase e, acute accent\n 0x5e: 0xed, // lowercase i, acute accent\n 0x5f: 0xf3, // lowercase o, acute accent\n 0x60: 0xfa, // lowercase u, acute accent\n 0x7b: 0xe7, // lowercase c with cedilla\n 0x7c: 0xf7, // division symbol\n 0x7d: 0xd1, // uppercase N tilde\n 0x7e: 0xf1, // lowercase n tilde\n 0x7f: 0x2588, // Full block\n // THIS BLOCK INCLUDES THE 16 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS\n // THAT COME FROM HI BYTE=0x11 AND LOW BETWEEN 0x30 AND 0x3F\n // THIS MEANS THAT \\x50 MUST BE ADDED TO THE VALUES\n 0x80: 0xae, // Registered symbol (R)\n 0x81: 0xb0, // degree sign\n 0x82: 0xbd, // 1/2 symbol\n 0x83: 0xbf, // Inverted (open) question mark\n 0x84: 0x2122, // Trademark symbol (TM)\n 0x85: 0xa2, // Cents symbol\n 0x86: 0xa3, // Pounds sterling\n 0x87: 0x266a, // Music 8'th note\n 0x88: 0xe0, // lowercase a, grave accent\n 0x89: 0x20, // transparent space (regular)\n 0x8a: 0xe8, // lowercase e, grave accent\n 0x8b: 0xe2, // lowercase a, circumflex accent\n 0x8c: 0xea, // lowercase e, circumflex accent\n 0x8d: 0xee, // lowercase i, circumflex accent\n 0x8e: 0xf4, // lowercase o, circumflex accent\n 0x8f: 0xfb, // lowercase u, circumflex accent\n // THIS BLOCK INCLUDES THE 32 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS\n // THAT COME FROM HI BYTE=0x12 AND LOW BETWEEN 0x20 AND 0x3F\n 0x90: 0xc1, // capital letter A with acute\n 0x91: 0xc9, // capital letter E with acute\n 0x92: 0xd3, // capital letter O with acute\n 0x93: 0xda, // capital letter U with acute\n 0x94: 0xdc, // capital letter U with diaresis\n 0x95: 0xfc, // lowercase letter U with diaeresis\n 0x96: 0x2018, // opening single quote\n 0x97: 0xa1, // inverted exclamation mark\n 0x98: 0x2a, // asterisk\n 0x99: 0x2019, // closing single quote\n 0x9a: 0x2501, // box drawings heavy horizontal\n 0x9b: 0xa9, // copyright sign\n 0x9c: 0x2120, // Service mark\n 0x9d: 0x2022, // (round) bullet\n 0x9e: 0x201c, // Left double quotation mark\n 0x9f: 0x201d, // Right double quotation mark\n 0xa0: 0xc0, // uppercase A, grave accent\n 0xa1: 0xc2, // uppercase A, circumflex\n 0xa2: 0xc7, // uppercase C with cedilla\n 0xa3: 0xc8, // uppercase E, grave accent\n 0xa4: 0xca, // uppercase E, circumflex\n 0xa5: 0xcb, // capital letter E with diaresis\n 0xa6: 0xeb, // lowercase letter e with diaresis\n 0xa7: 0xce, // uppercase I, circumflex\n 0xa8: 0xcf, // uppercase I, with diaresis\n 0xa9: 0xef, // lowercase i, with diaresis\n 0xaa: 0xd4, // uppercase O, circumflex\n 0xab: 0xd9, // uppercase U, grave accent\n 0xac: 0xf9, // lowercase u, grave accent\n 0xad: 0xdb, // uppercase U, circumflex\n 0xae: 0xab, // left-pointing double angle quotation mark\n 0xaf: 0xbb, // right-pointing double angle quotation mark\n // THIS BLOCK INCLUDES THE 32 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS\n // THAT COME FROM HI BYTE=0x13 AND LOW BETWEEN 0x20 AND 0x3F\n 0xb0: 0xc3, // Uppercase A, tilde\n 0xb1: 0xe3, // Lowercase a, tilde\n 0xb2: 0xcd, // Uppercase I, acute accent\n 0xb3: 0xcc, // Uppercase I, grave accent\n 0xb4: 0xec, // Lowercase i, grave accent\n 0xb5: 0xd2, // Uppercase O, grave accent\n 0xb6: 0xf2, // Lowercase o, grave accent\n 0xb7: 0xd5, // Uppercase O, tilde\n 0xb8: 0xf5, // Lowercase o, tilde\n 0xb9: 0x7b, // Open curly brace\n 0xba: 0x7d, // Closing curly brace\n 0xbb: 0x5c, // Backslash\n 0xbc: 0x5e, // Caret\n 0xbd: 0x5f, // Underscore\n 0xbe: 0x7c, // Pipe (vertical line)\n 0xbf: 0x223c, // Tilde operator\n 0xc0: 0xc4, // Uppercase A, umlaut\n 0xc1: 0xe4, // Lowercase A, umlaut\n 0xc2: 0xd6, // Uppercase O, umlaut\n 0xc3: 0xf6, // Lowercase o, umlaut\n 0xc4: 0xdf, // Esszett (sharp S)\n 0xc5: 0xa5, // Yen symbol\n 0xc6: 0xa4, // Generic currency sign\n 0xc7: 0x2503, // Box drawings heavy vertical\n 0xc8: 0xc5, // Uppercase A, ring\n 0xc9: 0xe5, // Lowercase A, ring\n 0xca: 0xd8, // Uppercase O, stroke\n 0xcb: 0xf8, // Lowercase o, strok\n 0xcc: 0x250f, // Box drawings heavy down and right\n 0xcd: 0x2513, // Box drawings heavy down and left\n 0xce: 0x2517, // Box drawings heavy up and right\n 0xcf: 0x251b // Box drawings heavy up and left\n};\n\n/**\n * Utils\n */\nlet getCharForByte = function (byte: number) {\n let charCode = byte;\n if (specialCea608CharsCodes.hasOwnProperty(byte)) {\n charCode = specialCea608CharsCodes[byte];\n }\n\n return String.fromCharCode(charCode);\n};\n\nlet NR_ROWS = 15,\n NR_COLS = 100;\n// Tables to look up row from PAC data\nlet rowsLowCh1 = { 0x11: 1, 0x12: 3, 0x15: 5, 0x16: 7, 0x17: 9, 0x10: 11, 0x13: 12, 0x14: 14 };\nlet rowsHighCh1 = { 0x11: 2, 0x12: 4, 0x15: 6, 0x16: 8, 0x17: 10, 0x13: 13, 0x14: 15 };\nlet rowsLowCh2 = { 0x19: 1, 0x1A: 3, 0x1D: 5, 0x1E: 7, 0x1F: 9, 0x18: 11, 0x1B: 12, 0x1C: 14 };\nlet rowsHighCh2 = { 0x19: 2, 0x1A: 4, 0x1D: 6, 0x1E: 8, 0x1F: 10, 0x1B: 13, 0x1C: 15 };\n\nlet backgroundColors = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta', 'black', 'transparent'];\n\nenum VerboseFilter {\n ERROR = 0,\n TEXT = 1,\n WARNING = 2,\n INFO = 2,\n DEBUG = 3,\n DATA = 3,\n}\n\n/**\n * Simple logger class to be able to write with time-stamps and filter on level.\n */\nlet logger: {\n verboseFilter: {\n 'DATA': VerboseFilter.DATA;\n 'DEBUG': VerboseFilter.DEBUG;\n 'INFO': VerboseFilter.INFO;\n 'WARNING': VerboseFilter.WARNING;\n 'TEXT': VerboseFilter.TEXT;\n 'ERROR': VerboseFilter.ERROR;\n },\n time: number | null\n verboseLevel: VerboseFilter,\n setTime: (newTime: number | null) => void,\n log: (severity: keyof typeof VerboseFilter, msg: string) => void,\n} = {\n verboseFilter: { 'DATA': 3, 'DEBUG': 3, 'INFO': 2, 'WARNING': 2, 'TEXT': 1, 'ERROR': 0 },\n time: null,\n verboseLevel: 0, // Only write errors\n setTime: function (newTime) {\n this.time = newTime;\n },\n log: function (severity, msg) {\n let minLevel = this.verboseFilter[severity];\n if (this.verboseLevel >= minLevel) {\n // console.log(this.time + ' [' + severity + '] ' + msg);\n }\n }\n};\n\nlet numArrayToHexArray = function (numArray: number[]): string[] {\n let hexArray: string[] = [];\n for (let j = 0; j < numArray.length; j++) {\n hexArray.push(numArray[j].toString(16));\n }\n\n return hexArray;\n};\n\ntype PenStyles = {\n foreground: string | null,\n underline: boolean,\n italics: boolean,\n background: string,\n flash: boolean,\n};\n\nclass PenState {\n public foreground: string;\n public underline: boolean;\n public italics: boolean;\n public background: string;\n public flash: boolean;\n\n constructor (foreground?: string, underline?: boolean, italics?: boolean, background?: string, flash?: boolean) {\n this.foreground = foreground || 'white';\n this.underline = underline || false;\n this.italics = italics || false;\n this.background = background || 'black';\n this.flash = flash || false;\n }\n\n reset () {\n this.foreground = 'white';\n this.underline = false;\n this.italics = false;\n this.background = 'black';\n this.flash = false;\n }\n\n setStyles (styles: Partial<PenStyles>) {\n let attribs = ['foreground', 'underline', 'italics', 'background', 'flash'];\n for (let i = 0; i < attribs.length; i++) {\n let style = attribs[i];\n if (styles.hasOwnProperty(style)) {\n this[style] = styles[style];\n }\n }\n }\n\n isDefault () {\n return (this.foreground === 'white' && !this.underline && !this.italics &&\n this.background === 'black' && !this.flash);\n }\n\n equals (other: PenState) {\n return ((this.foreground === other.foreground) &&\n (this.underline === other.underline) &&\n (this.italics === other.italics) &&\n (this.background === other.background) &&\n (this.flash === other.flash));\n }\n\n copy (newPenState: PenState) {\n this.foreground = newPenState.foreground;\n this.underline = newPenState.underline;\n this.italics = newPenState.italics;\n this.background = newPenState.background;\n this.flash = newPenState.flash;\n }\n\n toString (): string {\n return ('color=' + this.foreground + ', underline=' + this.underline + ', italics=' + this.italics +\n ', background=' + this.background + ', flash=' + this.flash);\n }\n}\n\n/**\n * Unicode character with styling and background.\n * @constructor\n */\nclass StyledUnicodeChar {\n uchar: string;\n penState: PenState;\n constructor (uchar?: string, foreground?: string, underline?: boolean, italics?: boolean, background?: string, flash?: boolean) {\n this.uchar = uchar || ' '; // unicode character\n this.penState = new PenState(foreground, underline, italics, background, flash);\n }\n\n reset () {\n this.uchar = ' ';\n this.penState.reset();\n }\n\n setChar (uchar: string, newPenState: PenState) {\n this.uchar = uchar;\n this.penState.copy(newPenState);\n }\n\n setPenState (newPenState: PenState) {\n this.penState.copy(newPenState);\n }\n\n equals (other: StyledUnicodeChar) {\n return this.uchar === other.uchar && this.penState.equals(other.penState);\n }\n\n copy (newChar: StyledUnicodeChar) {\n this.uchar = newChar.uchar;\n this.penState.copy(newChar.penState);\n }\n\n isEmpty (): boolean {\n return this.uchar === ' ' && this.penState.isDefault();\n }\n}\n\n/**\n * CEA-608 row consisting of NR_COLS instances of StyledUnicodeChar.\n * @constructor\n */\nexport class Row {\n public chars: StyledUnicodeChar[];\n public pos: number;\n public currPenState: PenState;\n public cueStartTime?: number;\n constructor () {\n this.chars = [];\n for (let i = 0; i < NR_COLS; i++) {\n this.chars.push(new StyledUnicodeChar());\n }\n\n this.pos = 0;\n this.currPenState = new PenState();\n }\n\n equals (other: Row) {\n let equal = true;\n for (let i = 0; i < NR_COLS; i++) {\n if (!this.chars[i].equals(other.chars[i])) {\n equal = false;\n break;\n }\n }\n return equal;\n }\n\n copy (other: Row) {\n for (let i = 0; i < NR_COLS; i++) {\n this.chars[i].copy(other.chars[i]);\n }\n }\n\n isEmpty (): boolean {\n let empty = true;\n for (let i = 0; i < NR_COLS; i++) {\n if (!this.chars[i].isEmpty()) {\n empty = false;\n break;\n }\n }\n return empty;\n }\n\n /**\n * Set the cursor to a valid column.\n */\n setCursor (absPos: number) {\n if (this.pos !== absPos) {\n this.pos = absPos;\n }\n\n if (this.pos < 0) {\n logger.log('ERROR', 'Negative cursor position ' + this.pos);\n this.pos = 0;\n } else if (this.pos > NR_COLS) {\n logger.log('ERROR', 'Too large cursor position ' + this.pos);\n this.pos = NR_COLS;\n }\n }\n\n /**\n * Move the cursor relative to current position.\n */\n moveCursor (relPos: number) {\n let newPos = this.pos + relPos;\n if (relPos > 1) {\n for (let i = this.pos + 1; i < newPos + 1; i++) {\n this.chars[i].setPenState(this.currPenState);\n }\n }\n this.setCursor(newPos);\n }\n\n /**\n * Backspace, move one step back and clear character.\n */\n backSpace () {\n this.moveCursor(-1);\n this.chars[this.pos].setChar(' ', this.currPenState);\n }\n\n insertChar (byte: number) {\n if (byte >= 0x90) { // Extended char\n this.backSpace();\n }\n let char = getCharForByte(byte);\n if (this.pos >= NR_COLS) {\n logger.log('ERROR', 'Cannot insert ' + byte.toString(16) +\n ' (' + char + ') at position ' + this.pos + '. Skipping it!');\n return;\n }\n this.chars[this.pos].setChar(char, this.currPenState);\n this.moveCursor(1);\n }\n\n clearFromPos (startPos: number) {\n let i: number;\n for (i = startPos; i < NR_COLS; i++) {\n this.chars[i].reset();\n }\n }\n\n clear () {\n this.clearFromPos(0);\n this.pos = 0;\n this.currPenState.reset();\n }\n\n clearToEndOfRow () {\n this.clearFromPos(this.pos);\n }\n\n getTextString () {\n let chars: string[] = [];\n let empty = true;\n for (let i = 0; i < NR_COLS; i++) {\n let char = this.chars[i].uchar;\n if (char !== ' ') {\n empty = false;\n }\n\n chars.push(char);\n }\n if (empty) {\n return '';\n } else {\n return chars.join('');\n }\n }\n\n setPenStyles (styles: Partial<PenStyles>) {\n this.currPenState.setStyles(styles);\n let currChar = this.chars[this.pos];\n currChar.setPenState(this.currPenState);\n }\n}\n\n/**\n * Keep a CEA-608 screen of 32x15 styled characters\n * @constructor\n*/\nexport class CaptionScreen {\n rows: Row[];\n currRow: number;\n nrRollUpRows: number | null;\n lastOutputScreen: any;\n constructor () {\n this.rows = [];\n for (let i = 0; i < NR_ROWS; i++) {\n this.rows.push(new Row());\n } // Note that we use zero-based numbering (0-14)\n\n this.currRow = NR_ROWS - 1;\n this.nrRollUpRows = null;\n this.reset();\n }\n\n reset () {\n for (let i = 0; i < NR_ROWS; i++) {\n this.rows[i].clear();\n }\n\n this.currRow = NR_ROWS - 1;\n }\n\n equals (other: CaptionScreen): boolean {\n let equal = true;\n for (let i = 0; i < NR_ROWS; i++) {\n if (!this.rows[i].equals(other.rows[i])) {\n equal = false;\n break;\n }\n }\n return equal;\n }\n\n copy (other: CaptionScreen) {\n for (let i = 0; i < NR_ROWS; i++) {\n this.rows[i].copy(other.rows[i]);\n }\n }\n\n isEmpty (): boolean {\n let empty = true;\n for (let i = 0; i < NR_ROWS; i++) {\n if (!this.rows[i].isEmpty()) {\n empty = false;\n break;\n }\n }\n return empty;\n }\n\n backSpace () {\n let row = this.rows[this.currRow];\n row.backSpace();\n }\n\n clearToEndOfRow () {\n let row = this.rows[this.currRow];\n row.clearToEndOfRow();\n }\n\n /**\n * Insert a character (without styling) in the current row.\n */\n insertChar (char: number) {\n let row = this.rows[this.currRow];\n row.insertChar(char);\n }\n\n setPen (styles: Partial<PenStyles>) {\n let row = this.rows[this.currRow];\n row.setPenStyles(styles);\n }\n\n moveCursor (relPos: number) {\n let row = this.rows[this.currRow];\n row.moveCursor(relPos);\n }\n\n setCursor (absPos: number) {\n logger.log('INFO', 'setCursor: ' + absPos);\n let row = this.rows[this.currRow];\n row.setCursor(absPos);\n }\n\n setPAC (pacData: PACData) {\n logger.log('INFO', 'pacData = ' + JSON.stringify(pacData));\n let newRow = pacData.row - 1;\n if (this.nrRollUpRows && newRow < this.nrRollUpRows - 1) {\n newRow = this.nrRollUpRows - 1;\n }\n\n // Make sure this only affects Roll-up Captions by checking this.nrRollUpRows\n if (this.nrRollUpRows && this.currRow !== newRow) {\n // clear all rows first\n for (let i = 0; i < NR_ROWS; i++) {\n this.rows[i].clear();\n }\n\n // Copy this.nrRollUpRows rows from lastOutputScreen and place it in the newRow location\n // topRowIndex - the start of rows to copy (inclusive index)\n let topRowIndex = this.currRow + 1 - (this.nrRollUpRows);\n // We only copy if the last position was already shown.\n // We use the cueStartTime value to check this.\n const lastOutputScreen = this.lastOutputScreen as any;\n if (lastOutputScreen) {\n let prevLineTime = lastOutputScreen.rows[topRowIndex].cueStartTime;\n if (prevLineTime && logger.time && prevLineTime < logger.time) {\n for (let i = 0; i < this.nrRollUpRows; i++) {\n this.rows[newRow - this.nrRollUpRows + i + 1].copy(lastOutputScreen.rows[topRowIndex + i]);\n }\n }\n }\n }\n\n this.currRow = newRow;\n let row = this.rows[this.currRow];\n if (pacData.indent !== null) {\n let indent = pacData.indent;\n let prevPos = Math.max(indent - 1, 0);\n row.setCursor(pacData.indent);\n pacData.color = row.chars[prevPos].penState.foreground;\n }\n let styles: PenStyles = { foreground: pacData.color, underline: pacData.underline, italics: pacData.italics, background: 'black', flash: false };\n this.setPen(styles);\n }\n\n /**\n * Set background/extra foreground, but first do back_space, and then insert space (backwards compatibility).\n */\n setBkgData (bkgData: Partial<PenStyles>) {\n logger.log('INFO', 'bkgData = ' + JSON.stringify(bkgData));\n this.backSpace();\n this.setPen(bkgData);\n this.insertChar(0x20); // Space\n }\n\n setRollUpRows (nrRows: number | null) {\n this.nrRollUpRows = nrRows;\n }\n\n rollUp () {\n if (this.nrRollUpRows === null) {\n logger.log('DEBUG', 'roll_up but nrRollUpRows not set yet');\n return; // Not properly setup\n }\n logger.log('TEXT', this.getDisplayText());\n let topRowIndex = this.currRow + 1 - this.nrRollUpRows;\n let topRow = this.rows.splice(topRowIndex, 1)[0];\n topRow.clear();\n this.rows.splice(this.currRow, 0, topRow);\n logger.log('INFO', 'Rolling up');\n // logger.log('TEXT', this.get_display_text())\n }\n\n /**\n * Get all non-empty rows with as unicode text.\n */\n getDisplayText (asOneRow?: boolean) {\n asOneRow = asOneRow || false;\n let displayText: string[] = [];\n let text = '';\n let rowNr = -1;\n for (let i = 0; i < NR_ROWS; i++) {\n let rowText = this.rows[i].getTextString();\n if (rowText) {\n rowNr = i + 1;\n if (asOneRow) {\n displayText.push('Row ' + rowNr + ': \\'' + rowText + '\\'');\n } else {\n displayText.push(rowText.trim());\n }\n }\n }\n if (displayText.length > 0) {\n if (asOneRow) {\n text = '[' + displayText.join(' | ') + ']';\n } else {\n text = displayText.join('\\n');\n }\n }\n return text;\n }\n\n getTextAndFormat () {\n return this.rows;\n }\n}\n\n// var modes = ['MODE_ROLL-UP', 'MODE_POP-ON', 'MODE_PAINT-ON', 'MODE_TEXT'];\n\ntype CaptionModes = 'MODE_ROLL-UP' | 'MODE_POP-ON' | 'MODE_PAINT-ON' | 'MODE_TEXT' | null;\n\nclass Cea608Channel {\n chNr: number;\n outputFilter: OutputFilter;\n mode: CaptionModes;\n verbose: number;\n displayedMemory: CaptionScreen;\n nonDisplayedMemory: CaptionScreen;\n lastOutputScreen: CaptionScreen;\n currRollUpRow: Row;\n writeScreen: CaptionScreen;\n cueStartTime: number | null;\n lastCueEndTime: null;\n constructor (channelNumber: number, outputFilter: OutputFilter) {\n this.chNr = channelNumber;\n this.outputFilter = outputFilter;\n this.mode = null;\n this.verbose = 0;\n this.displayedMemory = new CaptionScreen();\n this.nonDisplayedMemory = new CaptionScreen();\n this.lastOutputScreen = new CaptionScreen();\n this.currRollUpRow = this.displayedMemory.rows[NR_ROWS - 1];\n this.writeScreen = this.displayedMemory;\n this.mode = null;\n this.cueStartTime = null; // Keeps track of where a cue started.\n }\n\n reset () {\n this.mode = null;\n this.displayedMemory.reset();\n this.nonDisplayedMemory.reset();\n this.lastOutputScreen.reset();\n this.currRollUpRow = this.displayedMemory.rows[NR_ROWS - 1];\n this.writeScreen = this.displayedMemory;\n this.mode = null;\n this.cueStartTime = null;\n }\n\n getHandler (): OutputFilter {\n return this.outputFilter;\n }\n\n setHandler (newHandler: OutputFilter) {\n this.outputFilter = newHandler;\n }\n\n setPAC (pacData: PACData) {\n this.writeScreen.setPAC(pacData);\n }\n\n setBkgData (bkgData: Partial<PenStyles>) {\n this.writeScreen.setBkgData(bkgData);\n }\n\n setMode (newMode: CaptionModes) {\n if (newMode === this.mode) {\n return;\n }\n\n this.mode = newMode;\n logger.log('INFO', 'MODE=' + newMode);\n if (this.mode === 'MODE_POP-ON') {\n this.writeScreen = this.nonDisplayedMemory;\n } else {\n this.writeScreen = this.displayedMemory;\n this.writeScreen.reset();\n }\n if (this.mode !== 'MODE_ROLL-UP') {\n this.displayedMemory.nrRollUpRows = null;\n this.nonDisplayedMemory.nrRollUpRows = null;\n }\n this.mode = newMode;\n }\n\n insertChars (chars: number[]) {\n for (let i = 0; i < chars.length; i++) {\n this.writeScreen.insertChar(chars[i]);\n }\n\n let screen = this.writeScreen === this.displayedMemory ? 'DISP' : 'NON_DISP';\n logger.log('INFO', screen + ': ' + this.writeScreen.getDisplayText(true));\n if (this.mode === 'MODE_PAINT-ON' || this.mode === 'MODE_ROLL-UP') {\n logger.log('TEXT', 'DISPLAYED: ' + this.displayedMemory.getDisplayText(true));\n this.outputDataUpdate();\n }\n }\n\n ccRCL () { // Resume Caption Loading (switch mode to Pop On)\n logger.log('INFO', 'RCL - Resume Caption Loading');\n this.setMode('MODE_POP-ON');\n }\n\n ccBS () { // BackSpace\n logger.log('INFO', 'BS - BackSpace');\n if (this.mode === 'MODE_TEXT') {\n return;\n }\n\n this.writeScreen.backSpace();\n if (this.writeScreen === this.displayedMemory) {\n this.outputDataUpdate();\n }\n }\n\n ccAOF () { // Reserved (formerly Alarm Off)\n\n }\n\n ccAON () { // Reserved (formerly Alarm On)\n\n }\n\n ccDER () { // Delete to End of Row\n logger.log('INFO', 'DER- Delete to End of Row');\n this.writeScreen.clearToEndOfRow();\n this.outputDataUpdate();\n }\n\n ccRU (nrRows: number | null) { // Roll-Up Captions-2,3,or 4 Rows\n logger.log('INFO', 'RU(' + nrRows + ') - Roll Up');\n this.writeScreen = this.displayedMemory;\n this.setMode('MODE_ROLL-UP');\n this.writeScreen.setRollUpRows(nrRows);\n }\n\n ccFON () { // Flash On\n logger.log('INFO', 'FON - Flash On');\n this.writeScreen.setPen({ flash: true });\n }\n\n ccRDC () { // Resume Direct Captioning (switch mode to PaintOn)\n logger.log('INFO', 'RDC - Resume Direct Captioning');\n this.setMode('MODE_PAINT-ON');\n }\n\n ccTR () { // Text Restart in text mode (not supported, however)\n logger.log('INFO', 'TR');\n this.setMode('MODE_TEXT');\n }\n\n ccRTD () { // Resume Text Display in Text mode (not supported, however)\n logger.log('INFO', 'RTD');\n this.setMode('MODE_TEXT');\n }\n\n ccEDM () { // Erase Displayed Memory\n logger.log('INFO', 'EDM - Erase Displayed Memory');\n this.displayedMemory.reset();\n this.outputDataUpdate(true);\n }\n\n ccCR () { // Carriage Return\n logger.log('INFO', 'CR - Carriage Return');\n this.writeScreen.rollUp();\n this.outputDataUpdate(true);\n }\n\n ccENM () { // Erase Non-Displayed Memory\n logger.log('INFO', 'ENM - Erase Non-displayed Memory');\n this.nonDisplayedMemory.reset();\n }\n\n ccEOC () { // End of Caption (Flip Memories)\n logger.log('INFO', 'EOC - End Of Caption');\n if (this.mode === 'MODE_POP-ON') {\n let tmp = this.displayedMemory;\n this.displayedMemory = this.nonDisplayedMemory;\n this.nonDisplayedMemory = tmp;\n this.writeScreen = this.nonDisplayedMemory;\n logger.log('TEXT', 'DISP: ' + this.displayedMemory.getDisplayText());\n }\n this.outputDataUpdate(true);\n }\n\n ccTO (nrCols: number) { // Tab Offset 1,2, or 3 columns\n logger.log('INFO', 'TO(' + nrCols + ') - Tab Offset');\n this.writeScreen.moveCursor(nrCols);\n }\n\n ccMIDROW (secondByte: number) { // Parse MIDROW command\n let styles: Partial<PenStyles> = { flash: false };\n styles.underline = secondByte % 2 === 1;\n styles.italics = secondByte >= 0x2e;\n if (!styles.italics) {\n let colorIndex = Math.floor(secondByte / 2) - 0x10;\n let colors = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta'];\n styles.foreground = colors[colorIndex];\n } else {\n styles.foreground = 'white';\n }\n logger.log('INFO', 'MIDROW: ' + JSON.stringify(styles));\n this.writeScreen.setPen(styles);\n }\n\n outputDataUpdate (dispatch = false) {\n let t = logger.time;\n if (t === null) {\n return;\n }\n\n if (this.outputFilter) {\n if (this.cueStartTime === null && !this.displayedMemory.isEmpty()) { // Start of a new cue\n this.cueStartTime = t;\n } else {\n if (!this.displayedMemory.equals(this.lastOutputScreen)) {\n this.outputFilter.newCue(this.cueStartTime!, t, this.lastOutputScreen);\n if (dispatch && this.outputFilter.dispatchCue) {\n this.outputFilter.dispatchCue();\n }\n\n this.cueStartTime = this.displayedMemory.isEmpty() ? null : t;\n }\n }\n this.lastOutputScreen.copy(this.displayedMemory);\n }\n }\n\n cueSplitAtTime (t: number) {\n if (this.outputFilter) {\n if (!this.displayedMemory.isEmpty()) {\n if (this.outputFilter.newCue) {\n this.outputFilter.newCue(this.cueStartTime!, t, this.displayedMemory);\n }\n\n this.cueStartTime = t;\n }\n }\n }\n}\n\ninterface PACData {\n row: number;\n indent: number | null;\n color: string | null;\n underline: boolean;\n italics: boolean;\n}\n\nclass Cea608Parser {\n field: number;\n outputs: OutputFilter[];\n channels: Cea608Channel[];\n currChNr: number;\n lastCmdA: number | null;\n lastCmdB: number | null;\n lastTime: number | null;\n dataCounters: { 'padding': number; 'char': number; 'cmd': number; 'other': number; };\n constructor (field: number, out1: OutputFilter, out2: OutputFilter) {\n this.field = field || 1;\n this.outputs = [out1, out2];\n this.channels = [new Cea608Channel(1, out1), new Cea608Channel(2, out2)];\n this.currChNr = -1; // Will be 1 or 2\n this.lastCmdA = null; // First byte of last command\n this.lastCmdB = null; // Second byte of last command\n this.lastTime = null;\n this.dataCounters = { 'padding': 0, 'char': 0, 'cmd': 0, 'other': 0 };\n }\n\n getHandler (index: number) {\n return this.channels[index].getHandler();\n }\n\n setHandler (index: number, newHandler: OutputFilter) {\n this.channels[index].setHandler(newHandler);\n }\n\n /**\n * Add data for time t in forms of list of bytes (unsigned ints). The bytes are treated as pairs.\n */\n addData (t: number | null, byteList: number[]) {\n let cmdFound: boolean, a: number, b: number,\n charsFound: number[] | boolean | null = false;\n\n this.lastTime = t;\n logger.setTime(t);\n\n for (let i = 0; i < byteList.length; i += 2) {\n a = byteList[i] & 0x7f;\n b = byteList[i + 1] & 0x7f;\n if (a === 0 && b === 0) {\n this.dataCounters.padding += 2;\n continue;\n } else {\n logger.log('DATA', '[' + numArrayToHexArray([byteList[i], byteList[i + 1]]) + '] -> (' + numArrayToHexArray([a, b]) + ')');\n }\n cmdFound = this.parseCmd(a, b);\n if (!cmdFound) {\n cmdFound = this.parseMidrow(a, b);\n }\n\n if (!cmdFound) {\n cmdFound = this.parsePAC(a, b);\n }\n\n if (!cmdFound) {\n cmdFound = this.parseBackgroundAttributes(a, b);\n }\n\n if (!cmdFound) {\n charsFound = this.parseChars(a, b);\n if (charsFound) {\n if (this.currChNr && this.currChNr >= 0) {\n let channel = this.channels[this.currChNr - 1];\n channel.insertChars(charsFound);\n } else {\n logger.log('WARNING', 'No channel found yet. TEXT-MODE?');\n }\n }\n }\n if (cmdFound) {\n this.dataCounters.cmd += 2;\n } else if (charsFound) {\n this.dataCounters.char += 2;\n } else {\n this.dataCounters.other += 2;\n logger.log('WARNING', 'Couldn\\'t parse cleaned data ' + numArrayToHexArray([a, b]) +\n ' orig: ' + numArrayToHexArray([byteList[i], byteList[i + 1]]));\n }\n }\n }\n\n /**\n * Parse Command.\n * @returns {Boolean} Tells if a command was found\n */\n parseCmd (a: number, b: number): boolean {\n let chNr: number | null = null;\n\n let cond1 = (a === 0x14 || a === 0x1C) && (b >= 0x20 && b <= 0x2F);\n let cond2 = (a === 0x17 || a === 0x1F) && (b >= 0x21 && b <= 0x23);\n if (!(cond1 || cond2)) {\n return false;\n }\n\n if (a === this.lastCmdA && b === this.lastCmdB) {\n this.lastCmdA = null;\n this.lastCmdB = null; // Repeated commands are dropped (once)\n logger.log('DEBUG', 'Repeated command (' + numArrayToHexArray([a, b]) + ') is dropped');\n return true;\n }\n\n if (a === 0x14 || a === 0x17) {\n chNr = 1;\n } else {\n chNr = 2;\n } // (a === 0x1C || a=== 0x1f)\n\n let channel = this.channels[chNr - 1];\n\n if (a === 0x14 || a === 0x1C) {\n if (b === 0x20) {\n channel.ccRCL();\n } else if (b === 0x21) {\n channel.ccBS();\n } else if (b === 0x22) {\n channel.ccAOF();\n } else if (b === 0x23) {\n channel.ccAON();\n } else if (b === 0x24) {\n channel.ccDER();\n } else if (b === 0x25) {\n channel.ccRU(2);\n } else if (b === 0x26) {\n channel.ccRU(3);\n } else if (b === 0x27) {\n channel.ccRU(4);\n } else if (b === 0x28) {\n channel.ccFON();\n } else if (b === 0x29) {\n channel.ccRDC();\n } else if (b === 0x2A) {\n channel.ccTR();\n } else if (b === 0x2B) {\n channel.ccRTD();\n } else if (b === 0x2C) {\n channel.ccEDM();\n } else if (b === 0x2D) {\n channel.ccCR();\n } else if (b === 0x2E) {\n channel.ccENM();\n } else if (b === 0x2F) {\n channel.ccEOC();\n }\n } else { // a == 0x17 || a == 0x1F\n channel.ccTO(b - 0x20);\n }\n this.lastCmdA = a;\n this.lastCmdB = b;\n this.currChNr = chNr;\n return true;\n }\n\n /**\n * Parse midrow styling command\n * @returns {Boolean}\n */\n parseMidrow (a: number, b: number): boolean {\n let chNr: number | null = null;\n\n if (((a === 0x11) || (a === 0x19)) && b >= 0x20 && b <= 0x2f) {\n if (a === 0x11) {\n chNr = 1;\n } else {\n chNr = 2;\n }\n\n if (chNr !== this.currChNr) {\n logger.log('ERROR', 'Mismatch channel in midrow parsing');\n return false;\n }\n let channel = this.channels[chNr - 1];\n channel.ccMIDROW(b);\n logger.log('DEBUG', 'MIDROW (' + numArrayToHexArray([a, b]) + ')');\n return true;\n }\n return false;\n }\n /**\n * Parse Preable Access Codes (Table 53).\n * @returns {Boolean} Tells if PAC found\n */\n parsePAC (a: number, b: number): boolean {\n let chNr: number | null = null;\n let row: number | null = null;\n\n let case1 = ((a >= 0x11 && a <= 0x17) || (a >= 0x19 && a <= 0x1F)) && (b >= 0x40 && b <= 0x7F);\n let case2 = (a === 0x10 || a === 0x18) && (b >= 0x40 && b <= 0x5F);\n if (!(case1 || case2)) {\n return false;\n }\n\n if (a === this.lastCmdA && b === this.lastCmdB) {\n this.lastCmdA = null;\n this.lastCmdB = null;\n return true; // Repeated commands are dropped (once)\n }\n\n chNr = (a <= 0x17) ? 1 : 2;\n\n if (b >= 0x40 && b <= 0x5F) {\n row = (chNr === 1) ? rowsLowCh1[a] : rowsLowCh2[a];\n } else { // 0x60 <= b <= 0x7F\n row = (chNr === 1) ? rowsHighCh1[a] : rowsHighCh2[a];\n }\n let pacData = this.interpretPAC(row!, b);\n let channel = this.channels[chNr - 1];\n channel.setPAC(pacData);\n this.lastCmdA = a;\n this.lastCmdB = b;\n this.currChNr = chNr;\n return true;\n }\n\n /**\n * Interpret the second byte of the pac, and return the information.\n * @returns {Object} pacData with style parameters.\n */\n interpretPAC (row: number, byte: number): PACData {\n let pacIndex = byte;\n let pacData: PACData = { color: null, italics: false, indent: null, underline: false, row: row };\n\n if (byte > 0x5F) {\n pacIndex = byte - 0x60;\n } else {\n pacIndex = byte - 0x40;\n }\n\n pacData.underline = (pacIndex & 1) === 1;\n if (pacIndex <= 0xd) {\n pacData.color = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta', 'white'][Math.floor(pacIndex / 2)];\n } else if (pacIndex <= 0xf) {\n pacData.italics = true;\n pacData.color = 'white';\n } else {\n pacData.indent = (Math.floor((pacIndex - 0x10) / 2)) * 4;\n }\n return pacData; // Note that row has zero offset. The spec uses 1.\n }\n\n /**\n * Parse characters.\n * @returns An array with 1 to 2 codes corresponding to chars, if found. null otherwise.\n */\n parseChars (a: number, b: number): number[] | null {\n let channelNr: number | null = null,\n charCodes: number[] | null = null,\n charCode1: number | null = null;\n\n if (a >= 0x19) {\n channelNr = 2;\n charCode1 = a - 8;\n } else {\n channelNr = 1;\n charCode1 = a;\n }\n if (charCode1 >= 0x11 && charCode1 <= 0x13) {\n // Special character\n let oneCode = b;\n if (charCode1 === 0x11) {\n oneCode = b + 0x50;\n } else if (charCode1 === 0x12) {\n oneCode = b + 0x70;\n } else {\n oneCode = b + 0x90;\n }\n\n logger.log('INFO', 'Special char \\'' + getCharForByte(oneCode) + '\\' in channel ' + channelNr);\n charCodes = [oneCode];\n } else if (a >= 0x20 && a <= 0x7f) {\n charCodes = (b === 0) ? [a] : [a, b];\n }\n if (charCodes) {\n let hexCodes = numArrayToHexArray(charCodes);\n logger.log('DEBUG', 'Char codes = ' + hexCodes.join(','));\n this.lastCmdA = null;\n this.lastCmdB = null;\n }\n return charCodes;\n }\n\n /**\n * Parse extended background attributes as well as new foreground color black.\n * @returns {Boolean} Tells if background attributes are found\n */\n parseBackgroundAttributes (a: number, b: number): boolean {\n let bkgData: Partial<PenStyles>,\n index: number,\n chNr: number,\n channel: Cea608Channel;\n\n let case1 = (a === 0x10 || a === 0x18) && (b >= 0x20 && b <= 0x2f);\n let case2 = (a === 0x17 || a === 0x1f) && (b >= 0x2d && b <= 0x2f);\n if (!(case1 || case2)) {\n return false;\n }\n\n bkgData = {};\n if (a === 0x10 || a === 0x18) {\n index = Math.floor((b - 0x20) / 2);\n bkgData.background = backgroundColors[index];\n if (b % 2 === 1) {\n bkgData.background = bkgData.background + '_semi';\n }\n } else if (b === 0x2d) {\n bkgData.background = 'transparent';\n } else {\n bkgData.foreground = 'black';\n if (b === 0x2f) {\n bkgData.underline = true;\n }\n }\n chNr = (a < 0x18) ? 1 : 2;\n channel = this.channels[chNr - 1];\n channel.setBkgData(bkgData);\n this.lastCmdA = null;\n this.lastCmdB = null;\n return true;\n }\n\n /**\n * Reset state of parser and its channels.\n */\n reset () {\n for (let i = 0; i < this.channels.length; i++) {\n if (this.channels[i]) {\n this.channels[i].reset();\n }\n }\n this.lastCmdA = null;\n this.lastCmdB = null;\n }\n\n /**\n * Trigger the generation of a cue, and the start of a new one if displayScreens are not empty.\n */\n cueSplitAtTime (t: number) {\n for (let i = 0; i < this.channels.length; i++) {\n if (this.channels[i]) {\n this.channels[i].cueSplitAtTime(t);\n }\n }\n }\n}\n\nexport default Cea608Parser;\n","import { CaptionScreen } from './cea-608-parser';\n\nexport default class OutputFilter {\n timelineController: any;\n trackName: string;\n startTime: number | null;\n endTime: number | null;\n screen: CaptionScreen | null;\n\n // TODO(typescript-timelineController)\n constructor (timelineController: any, trackName: string) {\n this.timelineController = timelineController;\n this.trackName = trackName;\n this.startTime = null;\n this.endTime = null;\n this.screen = null;\n }\n\n dispatchCue () {\n if (this.startTime === null) {\n return;\n }\n\n this.timelineController.addCues(this.trackName, this.startTime, this.endTime, this.screen);\n this.startTime = null;\n }\n\n newCue (startTime: number, endTime: number, screen: CaptionScreen) {\n if (this.startTime === null || this.startTime > startTime) {\n this.startTime = startTime;\n }\n\n this.endTime = endTime;\n this.screen = screen;\n this.timelineController.createCaptionsTrack(this.trackName);\n }\n}\n","import VTTParser from './vttparser';\nimport { utf8ArrayToStr } from '../demux/id3';\nimport { toMpegTsClockFromTimescale } from './timescale-conversion';\nimport { normalizePts } from '../remux/mp4-remuxer';\nimport { VTTCCs } from '../types/vtt';\n\nconst LINEBREAKS = /\\r\\n|\\n\\r|\\n|\\r/g;\n\n// String.prototype.startsWith is not supported in IE11\nconst startsWith = function (\n inputString: string,\n searchString: string,\n position: number = 0\n) {\n return inputString.substr(position, searchString.length) === searchString;\n};\n\nconst cueString2millis = function (timeString: string) {\n let ts = parseInt(timeString.substr(-3));\n const secs = parseInt(timeString.substr(-6, 2));\n const mins = parseInt(timeString.substr(-9, 2));\n const hours =\n timeString.length > 9\n ? parseInt(timeString.substr(0, timeString.indexOf(':')))\n : 0;\n\n if (\n !Number.isFinite(ts) ||\n !Number.isFinite(secs) ||\n !Number.isFinite(mins) ||\n !Number.isFinite(hours)\n ) {\n throw Error(`Malformed X-TIMESTAMP-MAP: Local:${timeString}`);\n }\n\n ts += 1000 * secs;\n ts += 60 * 1000 * mins;\n ts += 60 * 60 * 1000 * hours;\n\n return ts;\n};\n\n// From https://github.com/darkskyapp/string-hash\nconst hash = function (text: string) {\n let hash = 5381;\n let i = text.length;\n while (i) {\n hash = (hash * 33) ^ text.charCodeAt(--i);\n }\n\n return (hash >>> 0).toString();\n};\n\n// Create a unique hash id for a cue based on start/end times and text.\n// This helps timeline-controller to avoid showing repeated captions.\nexport function generateCueId(\n startTime: number,\n endTime: number,\n text: string\n) {\n return hash(startTime.toString()) + hash(endTime.toString()) + hash(text);\n}\n\nconst calculateOffset = function (vttCCs: VTTCCs, cc, presentationTime) {\n let currCC = vttCCs[cc];\n let prevCC = vttCCs[currCC.prevCC];\n\n // This is the first discontinuity or cues have been processed since the last discontinuity\n // Offset = current discontinuity time\n if (!prevCC || (!prevCC.new && currCC.new)) {\n vttCCs.ccOffset = vttCCs.presentationOffset = currCC.start;\n currCC.new = false;\n return;\n }\n\n // There have been discontinuities since cues were last parsed.\n // Offset = time elapsed\n while (prevCC && prevCC.new) {\n vttCCs.ccOffset += currCC.start - prevCC.start;\n currCC.new = false;\n currCC = prevCC;\n prevCC = vttCCs[currCC.prevCC];\n }\n\n vttCCs.presentationOffset = presentationTime;\n};\n\nexport function parseWebVTT(\n vttByteArray: ArrayBuffer,\n initPTS: number,\n timescale: number,\n vttCCs: VTTCCs,\n cc: number,\n timeOffset: number,\n callBack: (cues: VTTCue[]) => void,\n errorCallBack: (error: Error) => void\n) {\n const parser = new VTTParser();\n // Convert byteArray into string, replacing any somewhat exotic linefeeds with \"\\n\", then split on that character.\n // Uint8Array.prototype.reduce is not implemented in IE11\n const vttLines = utf8ArrayToStr(new Uint8Array(vttByteArray))\n .trim()\n .replace(LINEBREAKS, '\\n')\n .split('\\n');\n const cues: VTTCue[] = [];\n const initPTS90Hz = toMpegTsClockFromTimescale(initPTS, timescale);\n let cueTime = '00:00.000';\n let timestampMapMPEGTS = 0;\n let timestampMapLOCAL = 0;\n let parsingError: Error;\n let inHeader = true;\n let timestampMap = false;\n\n parser.oncue = function (cue: VTTCue) {\n // Adjust cue timing; clamp cues to start no earlier than - and drop cues that don't end after - 0 on timeline.\n const currCC = vttCCs[cc];\n let cueOffset = vttCCs.ccOffset;\n\n // Calculate subtitle PTS offset\n const webVttMpegTsMapOffset = (timestampMapMPEGTS - initPTS90Hz) / 90000;\n\n // Update offsets for new discontinuities\n if (currCC && currCC.new) {\n if (timestampMapLOCAL !== undefined) {\n // When local time is provided, offset = discontinuity start time - local time\n cueOffset = vttCCs.ccOffset = currCC.start;\n } else {\n calculateOffset(vttCCs, cc, webVttMpegTsMapOffset);\n }\n }\n\n if (webVttMpegTsMapOffset) {\n // If we have MPEGTS, offset = presentation time + discontinuity offset\n cueOffset = webVttMpegTsMapOffset - vttCCs.presentationOffset;\n }\n\n if (timestampMap) {\n const duration = cue.endTime - cue.startTime;\n const startTime =\n normalizePts(\n (cue.startTime + cueOffset - timestampMapLOCAL) * 90000,\n timeOffset * 90000\n ) / 90000;\n cue.startTime = startTime;\n cue.endTime = startTime + duration;\n }\n\n //trim trailing webvtt block whitespaces\n const text = cue.text.trim();\n\n // Fix encoding of special characters\n cue.text = decodeURIComponent(encodeURIComponent(text));\n\n // If the cue was not assigned an id from the VTT file (line above the content), create one.\n if (!cue.id) {\n cue.id = generateCueId(cue.startTime, cue.endTime, text);\n }\n\n if (cue.endTime > 0) {\n cues.push(cue);\n }\n };\n\n parser.onparsingerror = function (error: Error) {\n parsingError = error;\n };\n\n parser.onflush = function () {\n if (parsingError) {\n errorCallBack(parsingError);\n return;\n }\n callBack(cues);\n };\n\n // Go through contents line by line.\n vttLines.forEach((line) => {\n if (inHeader) {\n // Look for X-TIMESTAMP-MAP in header.\n if (startsWith(line, 'X-TIMESTAMP-MAP=')) {\n // Once found, no more are allowed anyway, so stop searching.\n inHeader = false;\n timestampMap = true;\n // Extract LOCAL and MPEGTS.\n line\n .substr(16)\n .split(',')\n .forEach((timestamp) => {\n if (startsWith(timestamp, 'LOCAL:')) {\n cueTime = timestamp.substr(6);\n } else if (startsWith(timestamp, 'MPEGTS:')) {\n timestampMapMPEGTS = parseInt(timestamp.substr(7));\n }\n });\n try {\n // Convert cue time to seconds\n timestampMapLOCAL = cueString2millis(cueTime) / 1000;\n } catch (error) {\n timestampMap = false;\n parsingError = error;\n }\n // Return without parsing X-TIMESTAMP-MAP line.\n return;\n } else if (line === '') {\n inHeader = false;\n }\n }\n // Parse line by default.\n parser.parse(line + '\\n');\n });\n\n parser.flush();\n}\n","import Event from '../events';\nimport EventHandler from '../event-handler';\nimport Cea608Parser, { CaptionScreen } from '../utils/cea-608-parser';\nimport OutputFilter from '../utils/output-filter';\nimport { parseWebVTT } from '../utils/webvtt-parser';\nimport { logger } from '../utils/logger';\nimport { sendAddTrackEvent, clearCurrentCues } from '../utils/texttrack-utils';\nimport Fragment from '../loader/fragment';\nimport { HlsConfig } from '../config';\n\n// TS todo: Reduce usage of any\nclass TimelineController extends EventHandler {\n private media: HTMLMediaElement | null = null;\n private config: HlsConfig;\n private enabled: boolean = true;\n private Cues: any;\n private textTracks: Array<TextTrack> = [];\n private tracks: Array<any> = [];\n private initPTS: Array<number> = [];\n private timescale: Array<number> = [];\n private unparsedVttFrags: Array<{frag: Fragment, payload: any}> = [];\n private cueRanges: Array<any> = [];\n private captionsTracks: any = {};\n private captionsProperties: any;\n private cea608Parser!: Cea608Parser;\n private lastSn: number = -1;\n private prevCC: number = -1;\n private vttCCs: any = null;\n\n constructor (hls) {\n super(hls, Event.MEDIA_ATTACHING,\n Event.MEDIA_DETACHING,\n Event.FRAG_PARSING_USERDATA,\n Event.FRAG_DECRYPTED,\n Event.MANIFEST_LOADING,\n Event.MANIFEST_LOADED,\n Event.FRAG_LOADED,\n Event.INIT_PTS_FOUND);\n\n this.hls = hls;\n this.config = hls.config;\n this.Cues = hls.config.cueHandler;\n\n this.captionsProperties = {\n textTrack1: {\n label: this.config.captionsTextTrack1Label,\n languageCode: this.config.captionsTextTrack1LanguageCode\n },\n textTrack2: {\n label: this.config.captionsTextTrack2Label,\n languageCode: this.config.captionsTextTrack2LanguageCode\n }\n };\n\n if (this.config.enableCEA708Captions) {\n const channel1 = new OutputFilter(this, 'textTrack1');\n const channel2 = new OutputFilter(this, 'textTrack2');\n this.cea608Parser = new Cea608Parser(0, channel1, channel2);\n }\n }\n\n addCues (trackName: string, startTime: number, endTime: number, screen: CaptionScreen) {\n // skip cues which overlap more than 50% with previously parsed time ranges\n const ranges = this.cueRanges;\n let merged = false;\n for (let i = ranges.length; i--;) {\n let cueRange = ranges[i];\n let overlap = intersection(cueRange[0], cueRange[1], startTime, endTime);\n if (overlap >= 0) {\n cueRange[0] = Math.min(cueRange[0], startTime);\n cueRange[1] = Math.max(cueRange[1], endTime);\n merged = true;\n if ((overlap / (endTime - startTime)) > 0.5) {\n return;\n }\n }\n }\n if (!merged) {\n ranges.push([startTime, endTime]);\n }\n\n this.Cues.newCue(this.captionsTracks[trackName], startTime, endTime, screen);\n }\n\n // Triggered when an initial PTS is found; used for synchronisation of WebVTT.\n onInitPtsFound (data: { id: string, frag: Fragment, initPTS: number, timescale: number }) {\n const { frag, id, initPTS, timescale } = data;\n const { unparsedVttFrags } = this;\n\n if (id === 'main') {\n this.initPTS[frag.cc] = initPTS;\n this.timescale[frag.cc] = timescale;\n }\n\n // Due to asynchronous processing, initial PTS may arrive later than the first VTT fragments are loaded.\n // Parse any unparsed fragments upon receiving the initial PTS.\n if (unparsedVttFrags.length) {\n this.unparsedVttFrags = [];\n unparsedVttFrags.forEach(frag => {\n this.onFragLoaded(frag);\n });\n }\n }\n\n getExistingTrack (trackName: string): TextTrack | null {\n const { media } = this;\n if (media) {\n for (let i = 0; i < media.textTracks.length; i++) {\n let textTrack = media.textTracks[i];\n if (textTrack[trackName]) {\n return textTrack;\n }\n }\n }\n return null;\n }\n\n createCaptionsTrack (trackName: string) {\n const { captionsProperties, captionsTracks, media } = this;\n const { label, languageCode } = captionsProperties[trackName];\n if (!captionsTracks[trackName]) {\n // Enable reuse of existing text track.\n const existingTrack = this.getExistingTrack(trackName);\n if (!existingTrack) {\n const textTrack = this.createTextTrack('captions', label, languageCode);\n if (textTrack) {\n // Set a special property on the track so we know it's managed by Hls.js\n textTrack[trackName] = true;\n captionsTracks[trackName] = textTrack;\n }\n } else {\n captionsTracks[trackName] = existingTrack;\n clearCurrentCues(captionsTracks[trackName]);\n sendAddTrackEvent(captionsTracks[trackName], media as HTMLMediaElement);\n }\n }\n }\n\n createTextTrack (kind: TextTrackKind, label: string, lang: string): TextTrack | undefined {\n const media = this.media;\n if (!media) {\n return;\n }\n return media.addTextTrack(kind, label, lang);\n }\n\n destroy () {\n super.destroy();\n }\n\n onMediaAttaching (data: { media: HTMLMediaElement }) {\n this.media = data.media;\n this._cleanTracks();\n }\n\n onMediaDetaching () {\n const { captionsTracks } = this;\n Object.keys(captionsTracks).forEach(trackName => {\n clearCurrentCues(captionsTracks[trackName]);\n delete captionsTracks[trackName];\n });\n }\n\n onManifestLoading () {\n this.lastSn = -1; // Detect discontiguity in fragment parsing\n this.prevCC = -1;\n this.vttCCs = { // Detect discontinuity in subtitle manifests\n ccOffset: 0,\n presentationOffset: 0,\n 0: {\n start: 0, prevCC: -1, new: false\n }\n };\n this.timescale = [];\n this._cleanTracks();\n }\n\n _cleanTracks () {\n // clear outdated subtitles\n const { media } = this;\n if (!media) {\n return;\n }\n const textTracks = media.textTracks;\n if (textTracks) {\n for (let i = 0; i < textTracks.length; i++) {\n clearCurrentCues(textTracks[i]);\n }\n }\n }\n\n onManifestLoaded (data: { subtitles: Array<any> }) {\n this.textTracks = [];\n this.unparsedVttFrags = this.unparsedVttFrags || [];\n this.initPTS = [];\n this.cueRanges = [];\n\n if (this.config.enableWebVTT) {\n this.tracks = data.subtitles || [];\n const inUseTracks = this.media ? this.media.textTracks : [];\n\n this.tracks.forEach((track, index) => {\n let textTrack;\n if (index < inUseTracks.length) {\n let inUseTrack: TextTrack | null = null;\n\n for (let i = 0; i < inUseTracks.length; i++) {\n if (canReuseVttTextTrack(inUseTracks[i], track)) {\n inUseTrack = inUseTracks[i];\n break;\n }\n }\n\n // Reuse tracks with the same label, but do not reuse 608/708 tracks\n if (inUseTrack) {\n textTrack = inUseTrack;\n }\n }\n if (!textTrack) {\n textTrack = this.createTextTrack('subtitles', track.name, track.lang);\n }\n\n if (track.default) {\n textTrack.mode = this.hls.subtitleDisplay ? 'showing' : 'hidden';\n } else {\n textTrack.mode = 'disabled';\n }\n\n this.textTracks.push(textTrack);\n });\n }\n }\n\n onFragLoaded (data: { frag: Fragment, payload: any }) {\n const { frag, payload } = data;\n const { cea608Parser, initPTS, lastSn, unparsedVttFrags } = this;\n if (frag.type === 'main') {\n const sn = frag.sn;\n // if this frag isn't contiguous, clear the parser so cues with bad start/end times aren't added to the textTrack\n if (frag.sn !== lastSn + 1) {\n if (cea608Parser) {\n cea608Parser.reset();\n }\n }\n this.lastSn = sn as number;\n } // eslint-disable-line brace-style\n // If fragment is subtitle type, parse as WebVTT.\n else if (frag.type === 'subtitle') {\n if (payload.byteLength) {\n // We need an initial synchronisation PTS. Store fragments as long as none has arrived.\n if (!Number.isFinite(initPTS[frag.cc])) {\n unparsedVttFrags.push(data);\n if (initPTS.length) {\n // finish unsuccessfully, otherwise the subtitle-stream-controller could be blocked from loading new frags.\n this.hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: false, frag });\n }\n return;\n }\n\n let decryptData = frag.decryptdata;\n // If the subtitles are not encrypted, parse VTTs now. Otherwise, we need to wait.\n if ((decryptData == null) || (decryptData.key == null) || (decryptData.method !== 'AES-128')) {\n this._parseVTTs(frag, payload);\n }\n } else {\n // In case there is no payload, finish unsuccessfully.\n this.hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: false, frag });\n }\n }\n }\n\n _parseVTTs (frag: Fragment, payload) {\n const { hls, prevCC, textTracks, vttCCs } = this;\n if (!vttCCs[frag.cc]) {\n vttCCs[frag.cc] = { start: frag.start, prevCC, new: true };\n this.prevCC = frag.cc;\n }\n // Parse the WebVTT file contents.\n parseWebVTT(\n payload,\n this.initPTS[frag.cc],\n this.timescale[frag.cc],\n vttCCs,\n frag.cc,\n frag.start,\n (cues) => {\n const currentTrack = textTracks[frag.level];\n // WebVTTParser.parse is an async method and if the currently selected text track mode is set to \"disabled\"\n // before parsing is done then don't try to access currentTrack.cues.getCueById as cues will be null\n // and trying to access getCueById method of cues will throw an exception\n if (currentTrack.mode === 'disabled') {\n hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: false, frag: frag });\n return;\n } \n let minStartTime = Number.MAX_SAFE_INTEGER;\n // Add cues and trigger event with success true.\n \n cues.forEach(cue => {\n //find the first cue in the entire cue set since its not always sorted\n minStartTime = Math.min(cue.startTime,minStartTime);\n // Sometimes there are cue overlaps on segmented vtts so the same\n // cue can appear more than once in different vtt files.\n // This avoid showing duplicated cues with same timecode and text.\n if (!currentTrack.cues.getCueById(cue.id)) {\n try {\n currentTrack.addCue(cue);\n if (!currentTrack.cues.getCueById(cue.id)) {\n throw new Error(`addCue is failed for: ${cue}`);\n }\n } catch (err) {\n logger.debug(`Failed occurred on adding cues: ${err}`);\n const textTrackCue = new (window as any).TextTrackCue(cue.startTime, cue.endTime, cue.text);\n textTrackCue.id = cue.id;\n currentTrack.addCue(textTrackCue);\n }\n }\n } \n );\n \n let liveSyncPosition = hls.streamController.liveSyncPosition;\n //need to remove cues only for live so if there is no sync position its a VOD\n // if there is a better way to detect live vs vod we can use it. \n while (cues.length > 0 && liveSyncPosition !== undefined ){\n //We remove cues which are more than 5 minutes old than the current cue\n if (currentTrack.cues[0].startTime < minStartTime - 300){\n currentTrack.removeCue(currentTrack.cues[0]);\n } else {\n break;\n }\n }\n hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: true, frag: frag });\n },\n (error) => {\n // Something went wrong while parsing. Trigger event with success false.\n logger.log(`Failed to parse VTT cue: ${error}`);\n hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: false, frag: frag });\n }\n );\n }\n\n onFragDecrypted (data: { frag: Fragment, payload: any}) {\n const { frag, payload } = data;\n if (frag.type === 'subtitle') {\n if (!Number.isFinite(this.initPTS[frag.cc])) {\n this.unparsedVttFrags.push(data);\n return;\n }\n\n this._parseVTTs(frag, payload);\n }\n }\n\n onFragParsingUserdata (data: { samples: Array<any> }) {\n if (!this.enabled || !this.cea608Parser) {\n return;\n }\n\n // If the event contains captions (found in the bytes property), push all bytes into the parser immediately\n // It will create the proper timestamps based on the PTS value\n for (let i = 0; i < data.samples.length; i++) {\n const ccBytes = data.samples[i].bytes;\n if (ccBytes) {\n const ccdatas = this.extractCea608Data(ccBytes);\n this.cea608Parser.addData(data.samples[i].pts, ccdatas);\n }\n }\n }\n\n extractCea608Data (byteArray: Uint8Array): Array<number> {\n let count = byteArray[0] & 31;\n let position = 2;\n let tmpByte, ccbyte1, ccbyte2, ccValid, ccType;\n let actualCCBytes: number[] = [];\n\n for (let j = 0; j < count; j++) {\n tmpByte = byteArray[position++];\n ccbyte1 = 0x7F & byteArray[position++];\n ccbyte2 = 0x7F & byteArray[position++];\n ccValid = (4 & tmpByte) !== 0;\n ccType = 3 & tmpByte;\n\n if (ccbyte1 === 0 && ccbyte2 === 0) {\n continue;\n }\n\n if (ccValid) {\n if (ccType === 0) { // || ccType === 1\n actualCCBytes.push(ccbyte1);\n actualCCBytes.push(ccbyte2);\n }\n }\n }\n return actualCCBytes;\n }\n}\n\nfunction canReuseVttTextTrack (inUseTrack, manifestTrack): boolean {\n return inUseTrack && inUseTrack.label === manifestTrack.name && !(inUseTrack.textTrack1 || inUseTrack.textTrack2);\n}\n\nfunction intersection (x1: number, x2: number, y1: number, y2: number): number {\n return Math.min(x2, y2) - Math.max(x1, y1);\n}\n\nexport default TimelineController;\n","import Event from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\nimport { computeReloadInterval } from './level-helper';\nimport { clearCurrentCues } from '../utils/texttrack-utils';\n\nclass SubtitleTrackController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.MANIFEST_LOADED,\n Event.SUBTITLE_TRACK_LOADED);\n this.tracks = [];\n this.trackId = -1;\n this.media = null;\n this.stopped = true;\n\n /**\n * @member {boolean} subtitleDisplay Enable/disable subtitle display rendering\n */\n this.subtitleDisplay = true;\n\n /**\n * Keeps reference to a default track id when media has not been attached yet\n * @member {number}\n */\n this.queuedDefaultTrack = null;\n }\n\n destroy () {\n EventHandler.prototype.destroy.call(this);\n }\n\n // Listen for subtitle track change, then extract the current track ID.\n onMediaAttached (data) {\n this.media = data.media;\n if (!this.media) {\n return;\n }\n\n if (Number.isFinite(this.queuedDefaultTrack)) {\n this.subtitleTrack = this.queuedDefaultTrack;\n this.queuedDefaultTrack = null;\n }\n\n this.trackChangeListener = this._onTextTracksChanged.bind(this);\n\n this.useTextTrackPolling = !(this.media.textTracks && 'onchange' in this.media.textTracks);\n if (this.useTextTrackPolling) {\n this.subtitlePollingInterval = setInterval(() => {\n this.trackChangeListener();\n }, 500);\n } else {\n this.media.textTracks.addEventListener('change', this.trackChangeListener);\n }\n }\n\n onMediaDetaching () {\n if (!this.media) {\n return;\n }\n\n if (this.useTextTrackPolling) {\n clearInterval(this.subtitlePollingInterval);\n } else {\n this.media.textTracks.removeEventListener('change', this.trackChangeListener);\n }\n\n if (Number.isFinite(this.subtitleTrack)) {\n this.queuedDefaultTrack = this.subtitleTrack;\n }\n\n const textTracks = filterSubtitleTracks(this.media.textTracks);\n // Clear loaded cues on media detachment from tracks\n textTracks.forEach((track) => {\n clearCurrentCues(track);\n });\n // Disable all subtitle tracks before detachment so when reattached only tracks in that content are enabled.\n this.subtitleTrack = -1;\n this.media = null;\n }\n\n // Fired whenever a new manifest is loaded.\n onManifestLoaded (data) {\n let tracks = data.subtitles || [];\n this.tracks = tracks;\n this.hls.trigger(Event.SUBTITLE_TRACKS_UPDATED, { subtitleTracks: tracks });\n\n // loop through available subtitle tracks and autoselect default if needed\n // TODO: improve selection logic to handle forced, etc\n tracks.forEach(track => {\n if (track.default) {\n // setting this.subtitleTrack will trigger internal logic\n // if media has not been attached yet, it will fail\n // we keep a reference to the default track id\n // and we'll set subtitleTrack when onMediaAttached is triggered\n if (this.media) {\n this.subtitleTrack = track.id;\n } else {\n this.queuedDefaultTrack = track.id;\n }\n }\n });\n }\n\n onSubtitleTrackLoaded (data) {\n const { id, details } = data;\n const { trackId, tracks } = this;\n const currentTrack = tracks[trackId];\n if (id >= tracks.length || id !== trackId || !currentTrack || this.stopped) {\n this._clearReloadTimer();\n return;\n }\n\n logger.log(`subtitle track ${id} loaded`);\n if (details.live) {\n const reloadInterval = computeReloadInterval(currentTrack.details, details, data.stats.trequest);\n logger.log(`Reloading live subtitle playlist in ${reloadInterval}ms`);\n this.timer = setTimeout(() => {\n this._loadCurrentTrack();\n }, reloadInterval);\n } else {\n this._clearReloadTimer();\n }\n }\n\n startLoad () {\n this.stopped = false;\n this._loadCurrentTrack();\n }\n\n stopLoad () {\n this.stopped = true;\n this._clearReloadTimer();\n }\n\n /** get alternate subtitle tracks list from playlist **/\n get subtitleTracks () {\n return this.tracks;\n }\n\n /** get index of the selected subtitle track (index in subtitle track lists) **/\n get subtitleTrack () {\n return this.trackId;\n }\n\n /** select a subtitle track, based on its index in subtitle track lists**/\n set subtitleTrack (subtitleTrackId) {\n if (this.trackId !== subtitleTrackId) {\n this._toggleTrackModes(subtitleTrackId);\n this._setSubtitleTrackInternal(subtitleTrackId);\n }\n }\n\n _clearReloadTimer () {\n if (this.timer) {\n clearTimeout(this.timer);\n this.timer = null;\n }\n }\n\n _loadCurrentTrack () {\n const { trackId, tracks, hls } = this;\n const currentTrack = tracks[trackId];\n if (trackId < 0 || !currentTrack || (currentTrack.details && !currentTrack.details.live)) {\n return;\n }\n logger.log(`Loading subtitle track ${trackId}`);\n hls.trigger(Event.SUBTITLE_TRACK_LOADING, { url: currentTrack.url, id: trackId });\n }\n\n /**\n * Disables the old subtitleTrack and sets current mode on the next subtitleTrack.\n * This operates on the DOM textTracks.\n * A value of -1 will disable all subtitle tracks.\n * @param newId - The id of the next track to enable\n * @private\n */\n _toggleTrackModes (newId) {\n const { media, subtitleDisplay, trackId } = this;\n if (!media) {\n return;\n }\n\n const textTracks = filterSubtitleTracks(media.textTracks);\n if (newId === -1) {\n [].slice.call(textTracks).forEach(track => {\n track.mode = 'disabled';\n });\n } else {\n const oldTrack = textTracks[trackId];\n if (oldTrack) {\n oldTrack.mode = 'disabled';\n }\n }\n\n const nextTrack = textTracks[newId];\n if (nextTrack) {\n nextTrack.mode = subtitleDisplay ? 'showing' : 'hidden';\n }\n }\n\n /**\n * This method is responsible for validating the subtitle index and periodically reloading if live.\n * Dispatches the SUBTITLE_TRACK_SWITCH event, which instructs the subtitle-stream-controller to load the selected track.\n * @param newId - The id of the subtitle track to activate.\n */\n _setSubtitleTrackInternal (newId) {\n const { hls, tracks } = this;\n if (!Number.isFinite(newId) || newId < -1 || newId >= tracks.length) {\n return;\n }\n\n this.trackId = newId;\n logger.log(`Switching to subtitle track ${newId}`);\n hls.trigger(Event.SUBTITLE_TRACK_SWITCH, { id: newId });\n this._loadCurrentTrack();\n }\n\n _onTextTracksChanged () {\n // Media is undefined when switching streams via loadSource()\n if (!this.media) {\n return;\n }\n\n let trackId = -1;\n let tracks = filterSubtitleTracks(this.media.textTracks);\n for (let id = 0; id < tracks.length; id++) {\n if (tracks[id].mode === 'hidden') {\n // Do not break in case there is a following track with showing.\n trackId = id;\n } else if (tracks[id].mode === 'showing') {\n trackId = id;\n break;\n }\n }\n\n // Setting current subtitleTrack will invoke code.\n this.subtitleTrack = trackId;\n }\n}\n\nfunction filterSubtitleTracks (textTrackList) {\n let tracks = [];\n for (let i = 0; i < textTrackList.length; i++) {\n const track = textTrackList[i];\n // Edge adds a track without a label; we don't want to use it\n if (track.kind === 'subtitles' && track.label) {\n tracks.push(textTrackList[i]);\n }\n }\n return tracks;\n}\n\nexport default SubtitleTrackController;\n","/**\n * @class SubtitleStreamController\n */\n\nimport Event from '../events';\nimport { logger } from '../utils/logger';\nimport Decrypter from '../crypt/decrypter';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport { findFragmentByPDT, findFragmentByPTS } from './fragment-finders';\nimport { FragmentState } from './fragment-tracker';\nimport BaseStreamController, { State } from './base-stream-controller';\nimport { mergeSubtitlePlaylists } from './level-helper';\n\nconst { performance } = window;\nconst TICK_INTERVAL = 500; // how often to tick in ms\n\nexport class SubtitleStreamController extends BaseStreamController {\n constructor (hls, fragmentTracker) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.ERROR,\n Event.KEY_LOADED,\n Event.FRAG_LOADED,\n Event.SUBTITLE_TRACKS_UPDATED,\n Event.SUBTITLE_TRACK_SWITCH,\n Event.SUBTITLE_TRACK_LOADED,\n Event.SUBTITLE_FRAG_PROCESSED,\n Event.LEVEL_UPDATED);\n\n this.fragmentTracker = fragmentTracker;\n this.config = hls.config;\n this.state = State.STOPPED;\n this.tracks = [];\n this.tracksBuffered = [];\n this.currentTrackId = -1;\n this.decrypter = new Decrypter(hls, hls.config);\n // lastAVStart stores the time in seconds for the start time of a level load\n this.lastAVStart = 0;\n this._onMediaSeeking = this.onMediaSeeking.bind(this);\n }\n\n onSubtitleFragProcessed (data) {\n const { frag, success } = data;\n this.fragPrevious = frag;\n this.state = State.IDLE;\n if (!success) {\n return;\n }\n\n const buffered = this.tracksBuffered[this.currentTrackId];\n if (!buffered) {\n return;\n }\n\n // Create/update a buffered array matching the interface used by BufferHelper.bufferedInfo\n // so we can re-use the logic used to detect how much have been buffered\n let timeRange;\n const fragStart = frag.start;\n for (let i = 0; i < buffered.length; i++) {\n if (fragStart >= buffered[i].start && fragStart <= buffered[i].end) {\n timeRange = buffered[i];\n break;\n }\n }\n\n const fragEnd = frag.start + frag.duration;\n if (timeRange) {\n timeRange.end = fragEnd;\n } else {\n timeRange = {\n start: fragStart,\n end: fragEnd\n };\n buffered.push(timeRange);\n }\n }\n\n onMediaAttached ({ media }) {\n this.media = media;\n media.addEventListener('seeking', this._onMediaSeeking);\n this.state = State.IDLE;\n }\n\n onMediaDetaching () {\n if (!this.media) {\n return;\n }\n this.media.removeEventListener('seeking', this._onMediaSeeking);\n this.fragmentTracker.removeAllFragments();\n this.currentTrackId = -1;\n this.tracks.forEach((track) => {\n this.tracksBuffered[track.id] = [];\n });\n this.media = null;\n this.state = State.STOPPED;\n }\n\n // If something goes wrong, proceed to next frag, if we were processing one.\n onError (data) {\n //Commenting out this code since we need to reset the state for any error\n // let frag = data.frag;\n // // don't handle error not related to subtitle fragment\n // if (!frag || frag.type !== 'subtitle') {\n // return;\n // }\n this.state = State.IDLE;\n }\n\n // Got all new subtitle tracks.\n onSubtitleTracksUpdated (data) {\n logger.log('subtitle tracks updated');\n this.tracksBuffered = [];\n this.tracks = data.subtitleTracks;\n this.tracks.forEach((track) => {\n this.tracksBuffered[track.id] = [];\n });\n }\n\n onSubtitleTrackSwitch (data) {\n this.currentTrackId = data.id;\n\n if (!this.tracks || !this.tracks.length || this.currentTrackId === -1) {\n this.clearInterval();\n return;\n }\n\n // Check if track has the necessary details to load fragments\n const currentTrack = this.tracks[this.currentTrackId];\n if (currentTrack && currentTrack.details) {\n this.setInterval(TICK_INTERVAL);\n }\n }\n\n // Got a new set of subtitle fragments.\n onSubtitleTrackLoaded (data) {\n const { id, details } = data;\n const { currentTrackId, tracks } = this;\n const currentTrack = tracks[currentTrackId];\n if (id >= tracks.length || id !== currentTrackId || !currentTrack) {\n return;\n }\n\n if (details.live) {\n mergeSubtitlePlaylists(currentTrack.details, details, this.lastAVStart);\n }\n currentTrack.details = details;\n this.setInterval(TICK_INTERVAL);\n }\n\n onKeyLoaded () {\n if (this.state === State.KEY_LOADING) {\n this.state = State.IDLE;\n }\n }\n\n onFragLoaded (data) {\n const fragCurrent = this.fragCurrent;\n const decryptData = data.frag.decryptdata;\n const fragLoaded = data.frag;\n const hls = this.hls;\n\n if (this.state === State.FRAG_LOADING &&\n fragCurrent &&\n data.frag.type === 'subtitle' &&\n fragCurrent.sn === data.frag.sn) {\n // check to see if the payload needs to be decrypted\n if (data.payload.byteLength > 0 && (decryptData && decryptData.key && decryptData.method === 'AES-128')) {\n let startTime = performance.now();\n\n // decrypt the subtitles\n this.decrypter.decrypt(data.payload, decryptData.key.buffer, decryptData.iv.buffer, function (decryptedData) {\n let endTime = performance.now();\n hls.trigger(Event.FRAG_DECRYPTED, { frag: fragLoaded, payload: decryptedData, stats: { tstart: startTime, tdecrypt: endTime } });\n });\n }\n }\n }\n\n onLevelUpdated ({ details }) {\n const frags = details.fragments;\n this.lastAVStart = frags.length ? frags[0].start : 0;\n }\n\n doTick () {\n if (!this.media) {\n this.state = State.IDLE;\n return;\n }\n\n switch (this.state) {\n case State.IDLE: {\n const { config, currentTrackId, fragmentTracker, media, tracks } = this;\n if (!tracks || !tracks[currentTrackId] || !tracks[currentTrackId].details) {\n break;\n }\n\n const { maxBufferHole, maxFragLookUpTolerance } = config;\n const maxConfigBuffer = Math.min(config.maxBufferLength, config.maxMaxBufferLength);\n const bufferedInfo = BufferHelper.bufferedInfo(this._getBuffered(), media.currentTime, maxBufferHole);\n const { end: bufferEnd, len: bufferLen } = bufferedInfo;\n\n const trackDetails = tracks[currentTrackId].details;\n const fragments = trackDetails.fragments;\n const fragLen = fragments.length;\n const end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration;\n\n if (bufferLen > maxConfigBuffer) {\n return;\n }\n\n let foundFrag;\n const fragPrevious = this.fragPrevious;\n if (bufferEnd < end) {\n if (fragPrevious && trackDetails.hasProgramDateTime) {\n foundFrag = findFragmentByPDT(fragments, fragPrevious.endProgramDateTime, maxFragLookUpTolerance);\n }\n if (!foundFrag) {\n foundFrag = findFragmentByPTS(fragPrevious, fragments, bufferEnd, maxFragLookUpTolerance);\n }\n if (!foundFrag && trackDetails.live && fragPrevious && fragPrevious.start < fragments[0].start) {\n /*\n below is a real world example of what can happen in production. \n \n fragPrevious s:04:08:44.000Z, e:04:08:49.000Z -- was found by PDT\n \n # response on subtitle/en/playlist.m3u8 on Nth call\n fragments[0]: s:04:08:24.000Z, e:04:08:29.000Z -- s:4532.900002, e:4537.900002\n fragments[1]: s:04:08:29.000Z, e:04:08:34.000Z -- s:4537.900002, e:4542.900002\n fragments[2]: s:04:08:34.000Z, e:04:08:39.000Z -- s:4542.900002, e:4547.900002\n fragments[3]: s:04:08:39.000Z, e:04:08:44.000Z -- s:4547.900002, e:4552.900002\n fragments[4]: s:04:08:44.000Z, e:04:08:49.000Z -- s:4552.900002, e:4557.900002\n\n # response on subtitle/en/playlist.m3u8 on (N+1)th call\n fragments[0]: s:04:08:54.000Z, e:04:08:59.000Z -- s:4562.900002, e:4567.900002\n fragments[1]: s:04:08:59.000Z, e:04:09:04.000Z -- s:4567.900002, e:4572.900002\n fragments[2]: s:04:09:04.000Z, e:04:09:09.000Z -- s:4572.900002, e:4577.900002\n fragments[3]: s:04:09:09.000Z, e:04:09:14.000Z -- s:4577.900002, e:4582.900002\n fragments[4]: s:04:09:14.000Z, e:04:09:19.000Z -- s:4582.900002, e:4587.900002\n\n # notice the gap from e:04:08:49.000Z to s:04:08:54.000Z, code below is to fix this issue\n */\n \n foundFrag = fragments[0];\n logger.warn(`Gap detected in live subtitle playlist, using next available fragment {start: ${foundFrag.start}}`);\n }\n\n } else {\n foundFrag = fragments[fragLen - 1];\n }\n\n if (foundFrag && foundFrag.encrypted) {\n logger.log(`Loading key for ${foundFrag.sn}`);\n this.state = State.KEY_LOADING;\n this.hls.trigger(Event.KEY_LOADING, { frag: foundFrag });\n } else if (foundFrag && this.fragmentTracker.getState(foundFrag) === FragmentState.NOT_LOADED) {\n // only load if fragment is not loaded \n this.fragCurrent = foundFrag;\n this.state = State.FRAG_LOADING;\n this.hls.trigger(Event.FRAG_LOADING, { frag: foundFrag });\n }\n }\n }\n }\n\n stopLoad () {\n this.lastAVStart = 0;\n super.stopLoad();\n }\n\n _getBuffered () {\n return this.tracksBuffered[this.currentTrackId] || [];\n }\n\n onMediaSeeking () {\n this.fragPrevious = null;\n }\n}\n","/**\n * @see https://developer.mozilla.org/en-US/docs/Web/API/Navigator/requestMediaKeySystemAccess\n */\nexport enum KeySystems {\n WIDEVINE = 'com.widevine.alpha',\n PLAYREADY = 'com.microsoft.playready',\n}\n\nexport type MediaKeyFunc = (keySystem: KeySystems, supportedConfigurations: MediaKeySystemConfiguration[]) => Promise<MediaKeySystemAccess>;\nconst requestMediaKeySystemAccess = (function (): MediaKeyFunc | null {\n if (typeof window !== 'undefined' && window.navigator && window.navigator.requestMediaKeySystemAccess) {\n return window.navigator.requestMediaKeySystemAccess.bind(window.navigator);\n } else {\n return null;\n }\n})();\n\nexport {\n requestMediaKeySystemAccess\n};\n","/**\n * @author Stephan Hesse <disparat@gmail.com> | <tchakabam@gmail.com>\n *\n * DRM support for Hls.js\n */\n\nimport EventHandler from '../event-handler';\nimport Event from '../events';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\nimport { logger } from '../utils/logger';\nimport { EMEControllerConfig } from '../config';\nimport { KeySystems, MediaKeyFunc } from '../utils/mediakeys-helper';\n\nconst MAX_LICENSE_REQUEST_FAILURES = 3;\n\n/**\n * @see https://developer.mozilla.org/en-US/docs/Web/API/MediaKeySystemConfiguration\n * @param {Array<string>} audioCodecs List of required audio codecs to support\n * @param {Array<string>} videoCodecs List of required video codecs to support\n * @param {object} drmSystemOptions Optional parameters/requirements for the key-system\n * @returns {Array<MediaSystemConfiguration>} An array of supported configurations\n */\n\nconst createWidevineMediaKeySystemConfigurations = function (audioCodecs: string[], videoCodecs: string[]): MediaKeySystemConfiguration[] { /* jshint ignore:line */\n const baseConfig: MediaKeySystemConfiguration = {\n // initDataTypes: ['keyids', 'mp4'],\n // label: \"\",\n // persistentState: \"not-allowed\", // or \"required\" ?\n // distinctiveIdentifier: \"not-allowed\", // or \"required\" ?\n // sessionTypes: ['temporary'],\n videoCapabilities: [] // { contentType: 'video/mp4; codecs=\"avc1.42E01E\"' }\n };\n\n videoCodecs.forEach((codec) => {\n baseConfig.videoCapabilities!.push({\n contentType: `video/mp4; codecs=\"${codec}\"`\n });\n });\n\n return [\n baseConfig\n ];\n};\n\n/**\n * The idea here is to handle key-system (and their respective platforms) specific configuration differences\n * in order to work with the local requestMediaKeySystemAccess method.\n *\n * We can also rule-out platform-related key-system support at this point by throwing an error.\n *\n * @param {string} keySystem Identifier for the key-system, see `KeySystems` enum\n * @param {Array<string>} audioCodecs List of required audio codecs to support\n * @param {Array<string>} videoCodecs List of required video codecs to support\n * @throws will throw an error if a unknown key system is passed\n * @returns {Array<MediaSystemConfiguration>} A non-empty Array of MediaKeySystemConfiguration objects\n */\nconst getSupportedMediaKeySystemConfigurations = function (keySystem: KeySystems, audioCodecs: string[], videoCodecs: string[]): MediaKeySystemConfiguration[] {\n switch (keySystem) {\n case KeySystems.WIDEVINE:\n return createWidevineMediaKeySystemConfigurations(audioCodecs, videoCodecs);\n default:\n throw new Error(`Unknown key-system: ${keySystem}`);\n }\n};\n\ninterface MediaKeysListItem {\n mediaKeys?: MediaKeys,\n mediaKeysSession?: MediaKeySession,\n mediaKeysSessionInitialized: boolean;\n mediaKeySystemAccess: MediaKeySystemAccess;\n mediaKeySystemDomain: KeySystems;\n}\n\n/**\n * Controller to deal with encrypted media extensions (EME)\n * @see https://developer.mozilla.org/en-US/docs/Web/API/Encrypted_Media_Extensions_API\n *\n * @class\n * @constructor\n */\nclass EMEController extends EventHandler {\n private _widevineLicenseUrl?: string;\n private _licenseXhrSetup?: (xhr: XMLHttpRequest, url: string) => void;\n private _emeEnabled: boolean;\n private _requestMediaKeySystemAccess: MediaKeyFunc | null\n\n private _config: EMEControllerConfig;\n private _mediaKeysList: MediaKeysListItem[] = [];\n private _media: HTMLMediaElement | null = null;\n private _hasSetMediaKeys: boolean = false;\n private _requestLicenseFailureCount: number = 0;\n\n /**\n * @constructs\n * @param {Hls} hls Our Hls.js instance\n */\n constructor (hls) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHED,\n Event.MANIFEST_PARSED\n );\n this._config = hls.config;\n\n this._widevineLicenseUrl = this._config.widevineLicenseUrl;\n this._licenseXhrSetup = this._config.licenseXhrSetup;\n this._emeEnabled = this._config.emeEnabled;\n this._requestMediaKeySystemAccess = this._config.requestMediaKeySystemAccessFunc;\n }\n\n /**\n * @param {string} keySystem Identifier for the key-system, see `KeySystems` enum\n * @returns {string} License server URL for key-system (if any configured, otherwise causes error)\n * @throws if a unsupported keysystem is passed\n */\n getLicenseServerUrl (keySystem: KeySystems): string {\n switch (keySystem) {\n case KeySystems.WIDEVINE:\n if (!this._widevineLicenseUrl) {\n break;\n }\n return this._widevineLicenseUrl;\n }\n\n throw new Error(`no license server URL configured for key-system \"${keySystem}\"`);\n }\n\n /**\n * Requests access object and adds it to our list upon success\n * @private\n * @param {string} keySystem System ID (see `KeySystems`)\n * @param {Array<string>} audioCodecs List of required audio codecs to support\n * @param {Array<string>} videoCodecs List of required video codecs to support\n * @throws When a unsupported KeySystem is passed\n */\n private _attemptKeySystemAccess (keySystem: KeySystems, audioCodecs: string[], videoCodecs: string[]) {\n // TODO: add other DRM \"options\"\n\n // This can throw, but is caught in event handler callpath\n const mediaKeySystemConfigs = getSupportedMediaKeySystemConfigurations(keySystem, audioCodecs, videoCodecs);\n\n logger.log('Requesting encrypted media key-system access');\n\n // expecting interface like window.navigator.requestMediaKeySystemAccess\n this.requestMediaKeySystemAccess(keySystem, mediaKeySystemConfigs)\n .then((mediaKeySystemAccess) => {\n this._onMediaKeySystemAccessObtained(keySystem, mediaKeySystemAccess);\n })\n .catch((err) => {\n logger.error(`Failed to obtain key-system \"${keySystem}\" access:`, err);\n });\n }\n\n get requestMediaKeySystemAccess () {\n if (!this._requestMediaKeySystemAccess) {\n throw new Error('No requestMediaKeySystemAccess function configured');\n }\n\n return this._requestMediaKeySystemAccess;\n }\n\n /**\n * Handles obtaining access to a key-system\n * @private\n * @param {string} keySystem\n * @param {MediaKeySystemAccess} mediaKeySystemAccess https://developer.mozilla.org/en-US/docs/Web/API/MediaKeySystemAccess\n */\n private _onMediaKeySystemAccessObtained (keySystem: KeySystems, mediaKeySystemAccess: MediaKeySystemAccess) {\n logger.log(`Access for key-system \"${keySystem}\" obtained`);\n\n const mediaKeysListItem: MediaKeysListItem = {\n mediaKeysSessionInitialized: false,\n mediaKeySystemAccess: mediaKeySystemAccess,\n mediaKeySystemDomain: keySystem\n };\n\n this._mediaKeysList.push(mediaKeysListItem);\n\n mediaKeySystemAccess.createMediaKeys()\n .then((mediaKeys) => {\n mediaKeysListItem.mediaKeys = mediaKeys;\n\n logger.log(`Media-keys created for key-system \"${keySystem}\"`);\n\n this._onMediaKeysCreated();\n })\n .catch((err) => {\n logger.error('Failed to create media-keys:', err);\n });\n }\n\n /**\n * Handles key-creation (represents access to CDM). We are going to create key-sessions upon this\n * for all existing keys where no session exists yet.\n *\n * @private\n */\n private _onMediaKeysCreated () {\n // check for all key-list items if a session exists, otherwise, create one\n this._mediaKeysList.forEach((mediaKeysListItem) => {\n if (!mediaKeysListItem.mediaKeysSession) {\n // mediaKeys is definitely initialized here\n mediaKeysListItem.mediaKeysSession = mediaKeysListItem.mediaKeys!.createSession();\n this._onNewMediaKeySession(mediaKeysListItem.mediaKeysSession);\n }\n });\n }\n\n /**\n * @private\n * @param {*} keySession\n */\n private _onNewMediaKeySession (keySession: MediaKeySession) {\n logger.log(`New key-system session ${keySession.sessionId}`);\n\n keySession.addEventListener('message', (event: MediaKeyMessageEvent) => {\n this._onKeySessionMessage(keySession, event.message);\n }, false);\n }\n\n /**\n * @private\n * @param {MediaKeySession} keySession\n * @param {ArrayBuffer} message\n */\n private _onKeySessionMessage (keySession: MediaKeySession, message: ArrayBuffer) {\n logger.log('Got EME message event, creating license request');\n\n this._requestLicense(message, (data: ArrayBuffer) => {\n logger.log(`Received license data (length: ${data ? data.byteLength : data}), updating key-session`);\n keySession.update(data);\n });\n }\n\n /**\n * @private\n * @param {string} initDataType\n * @param {ArrayBuffer|null} initData\n */\n private _onMediaEncrypted = (e: MediaEncryptedEvent) => {\n logger.log(`Media is encrypted using \"${e.initDataType}\" init data type`);\n\n this._attemptSetMediaKeys();\n this._generateRequestWithPreferredKeySession(e.initDataType, e.initData);\n }\n\n /**\n * @private\n */\n private _attemptSetMediaKeys () {\n if (!this._media) {\n throw new Error('Attempted to set mediaKeys without first attaching a media element');\n }\n\n if (!this._hasSetMediaKeys) {\n // FIXME: see if we can/want/need-to really to deal with several potential key-sessions?\n const keysListItem = this._mediaKeysList[0];\n if (!keysListItem || !keysListItem.mediaKeys) {\n logger.error('Fatal: Media is encrypted but no CDM access or no keys have been obtained yet');\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_KEYS,\n fatal: true\n });\n return;\n }\n\n logger.log('Setting keys for encrypted media');\n\n this._media.setMediaKeys(keysListItem.mediaKeys);\n this._hasSetMediaKeys = true;\n }\n }\n\n /**\n * @private\n */\n private _generateRequestWithPreferredKeySession (initDataType: string, initData: ArrayBuffer | null) {\n // FIXME: see if we can/want/need-to really to deal with several potential key-sessions?\n const keysListItem = this._mediaKeysList[0];\n if (!keysListItem) {\n logger.error('Fatal: Media is encrypted but not any key-system access has been obtained yet');\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_ACCESS,\n fatal: true\n });\n return;\n }\n\n if (keysListItem.mediaKeysSessionInitialized) {\n logger.warn('Key-Session already initialized but requested again');\n return;\n }\n\n const keySession = keysListItem.mediaKeysSession;\n if (!keySession) {\n logger.error('Fatal: Media is encrypted but no key-session existing');\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_SESSION,\n fatal: true\n });\n return;\n }\n\n // initData is null if the media is not CORS-same-origin\n if (!initData) {\n logger.warn('Fatal: initData required for generating a key session is null');\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_INIT_DATA,\n fatal: true\n });\n return;\n }\n\n logger.log(`Generating key-session request for \"${initDataType}\" init data type`);\n keysListItem.mediaKeysSessionInitialized = true;\n\n keySession.generateRequest(initDataType, initData)\n .then(() => {\n logger.debug('Key-session generation succeeded');\n })\n .catch((err) => {\n logger.error('Error generating key-session request:', err);\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_SESSION,\n fatal: false\n });\n });\n }\n\n /**\n * @private\n * @param {string} url License server URL\n * @param {ArrayBuffer} keyMessage Message data issued by key-system\n * @param {function} callback Called when XHR has succeeded\n * @returns {XMLHttpRequest} Unsent (but opened state) XHR object\n * @throws if XMLHttpRequest construction failed\n */\n private _createLicenseXhr (url: string, keyMessage: ArrayBuffer, callback: (data: ArrayBuffer) => void): XMLHttpRequest {\n const xhr = new XMLHttpRequest();\n const licenseXhrSetup = this._licenseXhrSetup;\n\n try {\n if (licenseXhrSetup) {\n try {\n licenseXhrSetup(xhr, url);\n } catch (e) {\n // let's try to open before running setup\n xhr.open('POST', url, true);\n licenseXhrSetup(xhr, url);\n }\n }\n // if licenseXhrSetup did not yet call open, let's do it now\n if (!xhr.readyState) {\n xhr.open('POST', url, true);\n }\n } catch (e) {\n // IE11 throws an exception on xhr.open if attempting to access an HTTP resource over HTTPS\n throw new Error(`issue setting up KeySystem license XHR ${e}`);\n }\n\n // Because we set responseType to ArrayBuffer here, callback is typed as handling only array buffers\n xhr.responseType = 'arraybuffer';\n xhr.onreadystatechange =\n this._onLicenseRequestReadyStageChange.bind(this, xhr, url, keyMessage, callback);\n return xhr;\n }\n\n /**\n * @private\n * @param {XMLHttpRequest} xhr\n * @param {string} url License server URL\n * @param {ArrayBuffer} keyMessage Message data issued by key-system\n * @param {function} callback Called when XHR has succeeded\n */\n private _onLicenseRequestReadyStageChange (xhr: XMLHttpRequest, url: string, keyMessage: ArrayBuffer, callback: (data: ArrayBuffer) => void) {\n switch (xhr.readyState) {\n case 4:\n if (xhr.status === 200) {\n this._requestLicenseFailureCount = 0;\n logger.log('License request succeeded');\n\n if (xhr.responseType !== 'arraybuffer') {\n logger.warn('xhr response type was not set to the expected arraybuffer for license request');\n }\n callback(xhr.response);\n } else {\n logger.error(`License Request XHR failed (${url}). Status: ${xhr.status} (${xhr.statusText})`);\n this._requestLicenseFailureCount++;\n if (this._requestLicenseFailureCount > MAX_LICENSE_REQUEST_FAILURES) {\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_LICENSE_REQUEST_FAILED,\n fatal: true\n });\n return;\n }\n\n const attemptsLeft = MAX_LICENSE_REQUEST_FAILURES - this._requestLicenseFailureCount + 1;\n logger.warn(`Retrying license request, ${attemptsLeft} attempts left`);\n this._requestLicense(keyMessage, callback);\n }\n break;\n }\n }\n\n /**\n * @private\n * @param {MediaKeysListItem} keysListItem\n * @param {ArrayBuffer} keyMessage\n * @returns {ArrayBuffer} Challenge data posted to license server\n * @throws if KeySystem is unsupported\n */\n private _generateLicenseRequestChallenge (keysListItem: MediaKeysListItem, keyMessage: ArrayBuffer): ArrayBuffer {\n switch (keysListItem.mediaKeySystemDomain) {\n // case KeySystems.PLAYREADY:\n // from https://github.com/MicrosoftEdge/Demos/blob/master/eme/scripts/demo.js\n /*\n if (this.licenseType !== this.LICENSE_TYPE_WIDEVINE) {\n // For PlayReady CDMs, we need to dig the Challenge out of the XML.\n var keyMessageXml = new DOMParser().parseFromString(String.fromCharCode.apply(null, new Uint16Array(keyMessage)), 'application/xml');\n if (keyMessageXml.getElementsByTagName('Challenge')[0]) {\n challenge = atob(keyMessageXml.getElementsByTagName('Challenge')[0].childNodes[0].nodeValue);\n } else {\n throw 'Cannot find <Challenge> in key message';\n }\n var headerNames = keyMessageXml.getElementsByTagName('name');\n var headerValues = keyMessageXml.getElementsByTagName('value');\n if (headerNames.length !== headerValues.length) {\n throw 'Mismatched header <name>/<value> pair in key message';\n }\n for (var i = 0; i < headerNames.length; i++) {\n xhr.setRequestHeader(headerNames[i].childNodes[0].nodeValue, headerValues[i].childNodes[0].nodeValue);\n }\n }\n break;\n */\n case KeySystems.WIDEVINE:\n // For Widevine CDMs, the challenge is the keyMessage.\n return keyMessage;\n }\n\n throw new Error(`unsupported key-system: ${keysListItem.mediaKeySystemDomain}`);\n }\n\n /**\n * @private\n * @param keyMessage\n * @param callback\n */\n private _requestLicense (keyMessage: ArrayBuffer, callback: (data: ArrayBuffer) => void) {\n logger.log('Requesting content license for key-system');\n\n const keysListItem = this._mediaKeysList[0];\n if (!keysListItem) {\n logger.error('Fatal error: Media is encrypted but no key-system access has been obtained yet');\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_ACCESS,\n fatal: true\n });\n return;\n }\n\n try {\n const url = this.getLicenseServerUrl(keysListItem.mediaKeySystemDomain);\n const xhr = this._createLicenseXhr(url, keyMessage, callback);\n logger.log(`Sending license request to URL: ${url}`);\n const challenge = this._generateLicenseRequestChallenge(keysListItem, keyMessage);\n xhr.send(challenge);\n } catch (e) {\n logger.error(`Failure requesting DRM license: ${e}`);\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_LICENSE_REQUEST_FAILED,\n fatal: true\n });\n }\n }\n\n onMediaAttached (data: { media: HTMLMediaElement; }) {\n if (!this._emeEnabled) {\n return;\n }\n\n const media = data.media;\n\n // keep reference of media\n this._media = media;\n\n media.addEventListener('encrypted', this._onMediaEncrypted);\n }\n\n onMediaDetached () {\n if (this._media) {\n this._media.removeEventListener('encrypted', this._onMediaEncrypted);\n this._media = null; // release reference\n }\n }\n\n // TODO: Use manifest types here when they are defined\n onManifestParsed (data: any) {\n if (!this._emeEnabled) {\n return;\n }\n\n const audioCodecs = data.levels.map((level) => level.audioCodec);\n const videoCodecs = data.levels.map((level) => level.videoCodec);\n\n this._attemptKeySystemAccess(KeySystems.WIDEVINE, audioCodecs, videoCodecs);\n }\n}\n\nexport default EMEController;\n","/**\n * HLS config\n */\n\nimport AbrController from './controller/abr-controller';\nimport BufferController from './controller/buffer-controller';\nimport CapLevelController from './controller/cap-level-controller';\nimport FPSController from './controller/fps-controller';\nimport XhrLoader from './utils/xhr-loader';\n// import FetchLoader from './utils/fetch-loader';\n\nimport AudioTrackController from './controller/audio-track-controller';\nimport AudioStreamController from './controller/audio-stream-controller';\n\nimport * as Cues from './utils/cues';\nimport TimelineController from './controller/timeline-controller';\nimport SubtitleTrackController from './controller/subtitle-track-controller';\nimport { SubtitleStreamController } from './controller/subtitle-stream-controller';\nimport EMEController from './controller/eme-controller';\nimport { requestMediaKeySystemAccess, MediaKeyFunc } from './utils/mediakeys-helper';\n\ntype ABRControllerConfig = {\n abrEwmaFastLive: number,\n abrEwmaSlowLive: number,\n abrEwmaFastVoD: number,\n abrEwmaSlowVoD: number,\n abrEwmaDefaultEstimate: number,\n abrBandWidthFactor: number,\n abrBandWidthUpFactor: number,\n abrMaxWithRealBitrate: boolean,\n maxStarvationDelay: number,\n maxLoadingDelay: number,\n};\n\nexport type BufferControllerConfig = {\n appendErrorMaxRetry: number,\n liveDurationInfinity: boolean,\n liveBackBufferLength: number,\n};\n\ntype CapLevelControllerConfig = {\n capLevelToPlayerSize: boolean\n};\n\nexport type EMEControllerConfig = {\n licenseXhrSetup?: (xhr: XMLHttpRequest, url: string) => void,\n emeEnabled: boolean,\n widevineLicenseUrl?: string,\n requestMediaKeySystemAccessFunc: MediaKeyFunc | null,\n};\n\ntype FragmentLoaderConfig = {\n fLoader: any, // TODO(typescript-loader): Once Loader is typed fill this in\n\n fragLoadingTimeOut: number,\n fragLoadingMaxRetry: number,\n fragLoadingRetryDelay: number,\n fragLoadingMaxRetryTimeout: number,\n};\n\ntype FPSControllerConfig = {\n capLevelOnFPSDrop: boolean,\n fpsDroppedMonitoringPeriod: number,\n fpsDroppedMonitoringThreshold: number,\n};\n\ntype LevelControllerConfig = {\n startLevel?: number\n};\n\ntype MP4RemuxerConfig = {\n stretchShortVideoTrack: boolean,\n maxAudioFramesDrift: number,\n};\n\ntype PlaylistLoaderConfig = {\n pLoader: any, // TODO(typescript-loader): Once Loader is typed fill this in\n\n manifestLoadingTimeOut: number,\n manifestLoadingMaxRetry: number,\n manifestLoadingRetryDelay: number,\n manifestLoadingMaxRetryTimeout: number,\n\n levelLoadingTimeOut: number,\n levelLoadingMaxRetry: number,\n levelLoadingRetryDelay: number,\n levelLoadingMaxRetryTimeout: number\n};\n\ntype StreamControllerConfig = {\n autoStartLoad: boolean,\n startPosition: number,\n defaultAudioCodec?: string,\n initialLiveManifestSize: number,\n maxBufferLength: number,\n maxBufferSize: number,\n maxBufferHole: number,\n\n lowBufferWatchdogPeriod: number,\n highBufferWatchdogPeriod: number,\n nudgeOffset: number,\n nudgeMaxRetry: number,\n maxFragLookUpTolerance: number,\n liveSyncDurationCount: number,\n liveMaxLatencyDurationCount: number,\n liveSyncDuration?: number,\n liveMaxLatencyDuration?: number,\n maxMaxBufferLength: number,\n\n startFragPrefetch: boolean,\n};\n\ntype TimelineControllerConfig = {\n cueHandler: any, // TODO(typescript-cues): Type once file is done\n enableCEA708Captions: boolean,\n enableWebVTT: boolean,\n captionsTextTrack1Label: string,\n captionsTextTrack1LanguageCode: string,\n captionsTextTrack2Label: string,\n captionsTextTrack2LanguageCode: string,\n};\n\ntype TSDemuxerConfig = {\n forceKeyFrameOnDiscontinuity: boolean,\n};\n\nexport type HlsConfig =\n {\n debug: boolean,\n enableWorker: boolean,\n enableSoftwareAES: boolean,\n minAutoBitrate: number,\n loader: any, // TODO(typescript-xhrloader): Type once XHR is done\n xhrSetup?: (xhr: XMLHttpRequest, url: string) => void,\n\n // Alt Audio\n audioStreamController?: any, // TODO(typescript-audiostreamcontroller): Type once file is done\n audioTrackController?: any, // TODO(typescript-audiotrackcontroller): Type once file is done\n // Subtitle\n subtitleStreamController?: any, // TODO(typescript-subtitlestreamcontroller): Type once file is done\n subtitleTrackController?: any, // TODO(typescript-subtitletrackcontroller): Type once file is done\n timelineController?: any, // TODO(typescript-timelinecontroller): Type once file is done\n // EME\n emeController?: typeof EMEController,\n\n abrController: any, // TODO(typescript-abrcontroller): Type once file is done\n bufferController: typeof BufferController,\n capLevelController: any, // TODO(typescript-caplevelcontroller): Type once file is done\n fpsController: any, // TODO(typescript-fpscontroller): Type once file is done\n } &\n ABRControllerConfig &\n BufferControllerConfig &\n CapLevelControllerConfig &\n EMEControllerConfig &\n FPSControllerConfig &\n FragmentLoaderConfig &\n LevelControllerConfig &\n MP4RemuxerConfig &\n PlaylistLoaderConfig &\n StreamControllerConfig &\n Partial<TimelineControllerConfig> &\n TSDemuxerConfig;\n\n// If possible, keep hlsDefaultConfig shallow\n// It is cloned whenever a new Hls instance is created, by keeping the config\n// shallow the properties are cloned, and we don't end up manipulating the default\nexport const hlsDefaultConfig: HlsConfig = {\n autoStartLoad: true, // used by stream-controller\n startPosition: -1, // used by stream-controller\n defaultAudioCodec: void 0, // used by stream-controller\n debug: false, // used by logger\n capLevelOnFPSDrop: false, // used by fps-controller\n capLevelToPlayerSize: false, // used by cap-level-controller\n initialLiveManifestSize: 1, // used by stream-controller\n maxBufferLength: 30, // used by stream-controller\n maxBufferSize: 60 * 1000 * 1000, // used by stream-controller\n maxBufferHole: 0.5, // used by stream-controller\n\n lowBufferWatchdogPeriod: 0.5, // used by stream-controller\n highBufferWatchdogPeriod: 3, // used by stream-controller\n nudgeOffset: 0.1, // used by stream-controller\n nudgeMaxRetry: 3, // used by stream-controller\n maxFragLookUpTolerance: 0.25, // used by stream-controller\n liveSyncDurationCount: 3, // used by stream-controller\n liveMaxLatencyDurationCount: Infinity, // used by stream-controller\n liveSyncDuration: void 0, // used by stream-controller\n liveMaxLatencyDuration: void 0, // used by stream-controller\n liveDurationInfinity: false, // used by buffer-controller\n liveBackBufferLength: Infinity, // used by buffer-controller\n maxMaxBufferLength: 600, // used by stream-controller\n enableWorker: true, // used by demuxer\n enableSoftwareAES: true, // used by decrypter\n manifestLoadingTimeOut: 10000, // used by playlist-loader\n manifestLoadingMaxRetry: 1, // used by playlist-loader\n manifestLoadingRetryDelay: 1000, // used by playlist-loader\n manifestLoadingMaxRetryTimeout: 64000, // used by playlist-loader\n startLevel: void 0, // used by level-controller\n levelLoadingTimeOut: 10000, // used by playlist-loader\n levelLoadingMaxRetry: 4, // used by playlist-loader\n levelLoadingRetryDelay: 1000, // used by playlist-loader\n levelLoadingMaxRetryTimeout: 64000, // used by playlist-loader\n fragLoadingTimeOut: 20000, // used by fragment-loader\n fragLoadingMaxRetry: 6, // used by fragment-loader\n fragLoadingRetryDelay: 1000, // used by fragment-loader\n fragLoadingMaxRetryTimeout: 64000, // used by fragment-loader\n startFragPrefetch: false, // used by stream-controller\n fpsDroppedMonitoringPeriod: 5000, // used by fps-controller\n fpsDroppedMonitoringThreshold: 0.2, // used by fps-controller\n appendErrorMaxRetry: 3, // used by buffer-controller\n loader: XhrLoader,\n // loader: FetchLoader,\n fLoader: void 0, // used by fragment-loader\n pLoader: void 0, // used by playlist-loader\n xhrSetup: void 0, // used by xhr-loader\n licenseXhrSetup: void 0, // used by eme-controller\n // fetchSetup: void 0,\n abrController: AbrController,\n bufferController: BufferController,\n capLevelController: CapLevelController,\n fpsController: FPSController,\n stretchShortVideoTrack: false, // used by mp4-remuxer\n maxAudioFramesDrift: 1, // used by mp4-remuxer\n forceKeyFrameOnDiscontinuity: true, // used by ts-demuxer\n abrEwmaFastLive: 3, // used by abr-controller\n abrEwmaSlowLive: 9, // used by abr-controller\n abrEwmaFastVoD: 3, // used by abr-controller\n abrEwmaSlowVoD: 9, // used by abr-controller\n abrEwmaDefaultEstimate: 5e5, // 500 kbps // used by abr-controller\n abrBandWidthFactor: 0.95, // used by abr-controller\n abrBandWidthUpFactor: 0.7, // used by abr-controller\n abrMaxWithRealBitrate: false, // used by abr-controller\n maxStarvationDelay: 4, // used by abr-controller\n maxLoadingDelay: 4, // used by abr-controller\n minAutoBitrate: 0, // used by hls\n emeEnabled: false, // used by eme-controller\n widevineLicenseUrl: void 0, // used by eme-controller\n requestMediaKeySystemAccessFunc: requestMediaKeySystemAccess, // used by eme-controller\n\n // Dynamic Modules\n ...timelineConfig(),\n subtitleStreamController: (__USE_SUBTITLES__) ? SubtitleStreamController : void 0,\n subtitleTrackController: (__USE_SUBTITLES__) ? SubtitleTrackController : void 0,\n timelineController: (__USE_SUBTITLES__) ? TimelineController : void 0,\n audioStreamController: (__USE_ALT_AUDIO__) ? AudioStreamController : void 0,\n audioTrackController: (__USE_ALT_AUDIO__) ? AudioTrackController : void 0,\n emeController: (__USE_EME_DRM__) ? EMEController : void 0\n};\n\nfunction timelineConfig (): TimelineControllerConfig {\n if (!__USE_SUBTITLES__) {\n // intentionally doing this over returning Partial<TimelineControllerConfig> above\n // this has the added nice property of still requiring the object below to completely define all props.\n return {} as any;\n }\n return {\n cueHandler: Cues, // used by timeline-controller\n enableCEA708Captions: true, // used by timeline-controller\n enableWebVTT: true, // used by timeline-controller\n captionsTextTrack1Label: 'English', // used by timeline-controller\n captionsTextTrack1LanguageCode: 'en', // used by timeline-controller\n captionsTextTrack2Label: 'Spanish', // used by timeline-controller\n captionsTextTrack2LanguageCode: 'es' // used by timeline-controller\n };\n}\n","import * as URLToolkit from 'url-toolkit';\n\nimport {\n ErrorTypes,\n ErrorDetails\n} from './errors';\n\nimport PlaylistLoader from './loader/playlist-loader';\nimport FragmentLoader from './loader/fragment-loader';\nimport KeyLoader from './loader/key-loader';\n\nimport { FragmentTracker } from './controller/fragment-tracker';\nimport StreamController from './controller/stream-controller';\nimport LevelController from './controller/level-controller';\nimport ID3TrackController from './controller/id3-track-controller';\n\nimport { isSupported } from './is-supported';\nimport { logger, enableLogs } from './utils/logger';\nimport { hlsDefaultConfig, HlsConfig } from './config';\n\nimport HlsEvents from './events';\n\nimport { Observer } from './observer';\n\n/**\n * @module Hls\n * @class\n * @constructor\n */\nexport default class Hls extends Observer {\n public static defaultConfig?: HlsConfig;\n public config: HlsConfig;\n\n private _autoLevelCapping: number;\n private abrController: any;\n private capLevelController: any;\n private levelController: any;\n private streamController: any;\n private networkControllers: any[];\n private audioTrackController: any;\n private subtitleTrackController: any;\n private emeController: any;\n private coreComponents: any[];\n private media: HTMLMediaElement | null = null;\n private url: string | null = null;\n\n /**\n * @type {string}\n */\n static get version (): string {\n return __VERSION__;\n }\n\n /**\n * @type {boolean}\n */\n static isSupported (): boolean {\n return isSupported();\n }\n\n /**\n * @type {HlsEvents}\n */\n static get Events () {\n return HlsEvents;\n }\n\n /**\n * @type {HlsErrorTypes}\n */\n static get ErrorTypes () {\n return ErrorTypes;\n }\n\n /**\n * @type {HlsErrorDetails}\n */\n static get ErrorDetails () {\n return ErrorDetails;\n }\n\n /**\n * @type {HlsConfig}\n */\n static get DefaultConfig (): HlsConfig {\n if (!Hls.defaultConfig) {\n return hlsDefaultConfig;\n }\n\n return Hls.defaultConfig;\n }\n\n /**\n * @type {HlsConfig}\n */\n static set DefaultConfig (defaultConfig: HlsConfig) {\n Hls.defaultConfig = defaultConfig;\n }\n\n /**\n * Creates an instance of an HLS client that can attach to exactly one `HTMLMediaElement`.\n *\n * @constructs Hls\n * @param {HlsConfig} config\n */\n constructor (userConfig: Partial<HlsConfig> = {}) {\n super();\n\n const defaultConfig = Hls.DefaultConfig;\n\n if ((userConfig.liveSyncDurationCount || userConfig.liveMaxLatencyDurationCount) && (userConfig.liveSyncDuration || userConfig.liveMaxLatencyDuration)) {\n throw new Error('Illegal hls.js config: don\\'t mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration');\n }\n\n // Shallow clone\n this.config = {\n ...defaultConfig,\n ...userConfig\n };\n\n const { config } = this;\n\n if (config.liveMaxLatencyDurationCount !== void 0 && config.liveMaxLatencyDurationCount <= config.liveSyncDurationCount) {\n throw new Error('Illegal hls.js config: \"liveMaxLatencyDurationCount\" must be gt \"liveSyncDurationCount\"');\n }\n\n if (config.liveMaxLatencyDuration !== void 0 && (config.liveSyncDuration === void 0 || config.liveMaxLatencyDuration <= config.liveSyncDuration)) {\n throw new Error('Illegal hls.js config: \"liveMaxLatencyDuration\" must be gt \"liveSyncDuration\"');\n }\n\n enableLogs(config.debug);\n\n this._autoLevelCapping = -1;\n\n // core controllers and network loaders\n\n /**\n * @member {AbrController} abrController\n */\n const abrController = this.abrController = new config.abrController(this); // eslint-disable-line new-cap\n const bufferController = new config.bufferController(this); // eslint-disable-line new-cap\n const capLevelController = this.capLevelController = new config.capLevelController(this); // eslint-disable-line new-cap\n const fpsController = new config.fpsController(this); // eslint-disable-line new-cap\n const playListLoader = new PlaylistLoader(this);\n const fragmentLoader = new FragmentLoader(this);\n const keyLoader = new KeyLoader(this);\n const id3TrackController = new ID3TrackController(this);\n\n // network controllers\n\n /**\n * @member {LevelController} levelController\n */\n const levelController = this.levelController = new LevelController(this);\n\n // FIXME: FragmentTracker must be defined before StreamController because the order of event handling is important\n const fragmentTracker = new FragmentTracker(this);\n\n /**\n * @member {StreamController} streamController\n */\n const streamController = this.streamController = new StreamController(this, fragmentTracker);\n\n let networkControllers = [levelController, streamController];\n\n // optional audio stream controller\n /**\n * @var {ICoreComponent | Controller}\n */\n let Controller = config.audioStreamController;\n if (Controller) {\n networkControllers.push(new Controller(this, fragmentTracker));\n }\n\n /**\n * @member {INetworkController[]} networkControllers\n */\n this.networkControllers = networkControllers;\n\n /**\n * @var {ICoreComponent[]}\n */\n const coreComponents = [\n playListLoader,\n fragmentLoader,\n keyLoader,\n abrController,\n bufferController,\n capLevelController,\n fpsController,\n id3TrackController,\n fragmentTracker\n ];\n\n // optional audio track and subtitle controller\n Controller = config.audioTrackController;\n if (Controller) {\n const audioTrackController = new Controller(this);\n\n /**\n * @member {AudioTrackController} audioTrackController\n */\n this.audioTrackController = audioTrackController;\n coreComponents.push(audioTrackController);\n }\n\n Controller = config.subtitleTrackController;\n if (Controller) {\n const subtitleTrackController = new Controller(this);\n\n /**\n * @member {SubtitleTrackController} subtitleTrackController\n */\n this.subtitleTrackController = subtitleTrackController;\n networkControllers.push(subtitleTrackController);\n }\n\n Controller = config.emeController;\n if (Controller) {\n const emeController = new Controller(this);\n\n /**\n * @member {EMEController} emeController\n */\n this.emeController = emeController;\n coreComponents.push(emeController);\n }\n\n // optional subtitle controllers\n Controller = config.subtitleStreamController;\n if (Controller) {\n networkControllers.push(new Controller(this, fragmentTracker));\n }\n Controller = config.timelineController;\n if (Controller) {\n coreComponents.push(new Controller(this));\n }\n\n /**\n * @member {ICoreComponent[]}\n */\n this.coreComponents = coreComponents;\n }\n\n /**\n * Dispose of the instance\n */\n destroy () {\n logger.log('destroy');\n this.trigger(HlsEvents.DESTROYING);\n this.detachMedia();\n this.coreComponents.concat(this.networkControllers).forEach(component => {\n component.destroy();\n });\n this.url = null;\n this.removeAllListeners();\n this._autoLevelCapping = -1;\n }\n\n /**\n * Attach a media element\n * @param {HTMLMediaElement} media\n */\n attachMedia (media: HTMLMediaElement) {\n logger.log('attachMedia');\n this.media = media;\n this.trigger(HlsEvents.MEDIA_ATTACHING, { media: media });\n }\n\n /**\n * Detach from the media\n */\n detachMedia () {\n logger.log('detachMedia');\n this.trigger(HlsEvents.MEDIA_DETACHING);\n this.media = null;\n }\n\n /**\n * Set the source URL. Can be relative or absolute.\n * @param {string} url\n */\n loadSource (url: string) {\n url = URLToolkit.buildAbsoluteURL(window.location.href, url, { alwaysNormalize: true });\n logger.log(`loadSource:${url}`);\n this.url = url;\n // when attaching to a source URL, trigger a playlist load\n this.trigger(HlsEvents.MANIFEST_LOADING, { url: url });\n }\n\n /**\n * Start loading data from the stream source.\n * Depending on default config, client starts loading automatically when a source is set.\n *\n * @param {number} startPosition Set the start position to stream from\n * @default -1 None (from earliest point)\n */\n startLoad (startPosition: number = -1) {\n logger.log(`startLoad(${startPosition})`);\n this.networkControllers.forEach(controller => {\n controller.startLoad(startPosition);\n });\n }\n\n /**\n * Stop loading of any stream data.\n */\n stopLoad () {\n logger.log('stopLoad');\n this.networkControllers.forEach(controller => {\n controller.stopLoad();\n });\n }\n\n /**\n * Swap through possible audio codecs in the stream (for example to switch from stereo to 5.1)\n */\n swapAudioCodec () {\n logger.log('swapAudioCodec');\n this.streamController.swapAudioCodec();\n }\n\n /**\n * When the media-element fails, this allows to detach and then re-attach it\n * as one call (convenience method).\n *\n * Automatic recovery of media-errors by this process is configurable.\n */\n recoverMediaError () {\n logger.log('recoverMediaError');\n let media = this.media;\n this.detachMedia();\n if (media) {\n this.attachMedia(media);\n }\n }\n\n /**\n * @type {QualityLevel[]}\n */\n // todo(typescript-levelController)\n get levels (): any[] {\n return this.levelController.levels;\n }\n\n /**\n * Index of quality level currently played\n * @type {number}\n */\n get currentLevel (): number {\n return this.streamController.currentLevel;\n }\n\n /**\n * Set quality level index immediately .\n * This will flush the current buffer to replace the quality asap.\n * That means playback will interrupt at least shortly to re-buffer and re-sync eventually.\n * @type {number} -1 for automatic level selection\n */\n set currentLevel (newLevel: number) {\n logger.log(`set currentLevel:${newLevel}`);\n this.loadLevel = newLevel;\n this.streamController.immediateLevelSwitch();\n }\n\n /**\n * Index of next quality level loaded as scheduled by stream controller.\n * @type {number}\n */\n get nextLevel (): number {\n return this.streamController.nextLevel;\n }\n\n /**\n * Set quality level index for next loaded data.\n * This will switch the video quality asap, without interrupting playback.\n * May abort current loading of data, and flush parts of buffer (outside currently played fragment region).\n * @type {number} -1 for automatic level selection\n */\n set nextLevel (newLevel: number) {\n logger.log(`set nextLevel:${newLevel}`);\n this.levelController.manualLevel = newLevel;\n this.streamController.nextLevelSwitch();\n }\n\n /**\n * Return the quality level of the currently or last (of none is loaded currently) segment\n * @type {number}\n */\n get loadLevel (): number {\n return this.levelController.level;\n }\n\n /**\n * Set quality level index for next loaded data in a conservative way.\n * This will switch the quality without flushing, but interrupt current loading.\n * Thus the moment when the quality switch will appear in effect will only be after the already existing buffer.\n * @type {number} newLevel -1 for automatic level selection\n */\n set loadLevel (newLevel: number) {\n logger.log(`set loadLevel:${newLevel}`);\n this.levelController.manualLevel = newLevel;\n }\n\n /**\n * get next quality level loaded\n * @type {number}\n */\n get nextLoadLevel (): number {\n return this.levelController.nextLoadLevel;\n }\n\n /**\n * Set quality level of next loaded segment in a fully \"non-destructive\" way.\n * Same as `loadLevel` but will wait for next switch (until current loading is done).\n * @type {number} level\n */\n set nextLoadLevel (level: number) {\n this.levelController.nextLoadLevel = level;\n }\n\n /**\n * Return \"first level\": like a default level, if not set,\n * falls back to index of first level referenced in manifest\n * @type {number}\n */\n get firstLevel (): number {\n return Math.max(this.levelController.firstLevel, this.minAutoLevel);\n }\n\n /**\n * Sets \"first-level\", see getter.\n * @type {number}\n */\n set firstLevel (newLevel: number) {\n logger.log(`set firstLevel:${newLevel}`);\n this.levelController.firstLevel = newLevel;\n }\n\n /**\n * Return start level (level of first fragment that will be played back)\n * if not overrided by user, first level appearing in manifest will be used as start level\n * if -1 : automatic start level selection, playback will start from level matching download bandwidth\n * (determined from download of first segment)\n * @type {number}\n */\n get startLevel (): number {\n return this.levelController.startLevel;\n }\n\n /**\n * set start level (level of first fragment that will be played back)\n * if not overrided by user, first level appearing in manifest will be used as start level\n * if -1 : automatic start level selection, playback will start from level matching download bandwidth\n * (determined from download of first segment)\n * @type {number} newLevel\n */\n set startLevel (newLevel: number) {\n logger.log(`set startLevel:${newLevel}`);\n // if not in automatic start level detection, ensure startLevel is greater than minAutoLevel\n if (newLevel !== -1) {\n newLevel = Math.max(newLevel, this.minAutoLevel);\n }\n\n this.levelController.startLevel = newLevel;\n }\n\n /**\n * set dynamically set capLevelToPlayerSize against (`CapLevelController`)\n *\n * @type {boolean}\n */\n set capLevelToPlayerSize (shouldStartCapping: boolean) {\n const newCapLevelToPlayerSize = !!shouldStartCapping;\n\n if (newCapLevelToPlayerSize !== this.config.capLevelToPlayerSize) {\n if (newCapLevelToPlayerSize) {\n this.capLevelController.startCapping(); // If capping occurs, nextLevelSwitch will happen based on size.\n } else {\n this.capLevelController.stopCapping();\n this.autoLevelCapping = -1;\n this.streamController.nextLevelSwitch(); // Now we're uncapped, get the next level asap.\n }\n\n this.config.capLevelToPlayerSize = newCapLevelToPlayerSize;\n }\n }\n\n /**\n * Capping/max level value that should be used by automatic level selection algorithm (`ABRController`)\n * @type {number}\n */\n get autoLevelCapping (): number {\n return this._autoLevelCapping;\n }\n\n /**\n * get bandwidth estimate\n * @type {number}\n */\n get bandwidthEstimate (): number {\n const bwEstimator = this.abrController._bwEstimator;\n return bwEstimator ? bwEstimator.getEstimate() : NaN;\n }\n\n /**\n * Capping/max level value that should be used by automatic level selection algorithm (`ABRController`)\n * @type {number}\n */\n set autoLevelCapping (newLevel: number) {\n logger.log(`set autoLevelCapping:${newLevel}`);\n this._autoLevelCapping = newLevel;\n }\n\n /**\n * True when automatic level selection enabled\n * @type {boolean}\n */\n get autoLevelEnabled (): boolean {\n return (this.levelController.manualLevel === -1);\n }\n\n /**\n * Level set manually (if any)\n * @type {number}\n */\n get manualLevel (): number {\n return this.levelController.manualLevel;\n }\n\n /**\n * min level selectable in auto mode according to config.minAutoBitrate\n * @type {number}\n */\n get minAutoLevel (): number {\n const { levels, config: { minAutoBitrate } } = this;\n const len = levels ? levels.length : 0;\n\n for (let i = 0; i < len; i++) {\n const levelNextBitrate = levels[i].realBitrate\n ? Math.max(levels[i].realBitrate, levels[i].bitrate)\n : levels[i].bitrate;\n\n if (levelNextBitrate > minAutoBitrate) {\n return i;\n }\n }\n\n return 0;\n }\n\n /**\n * max level selectable in auto mode according to autoLevelCapping\n * @type {number}\n */\n get maxAutoLevel (): number {\n const { levels, autoLevelCapping } = this;\n\n let maxAutoLevel;\n if (autoLevelCapping === -1 && levels && levels.length) {\n maxAutoLevel = levels.length - 1;\n } else {\n maxAutoLevel = autoLevelCapping;\n }\n\n return maxAutoLevel;\n }\n\n /**\n * next automatically selected quality level\n * @type {number}\n */\n get nextAutoLevel (): number {\n // ensure next auto level is between min and max auto level\n return Math.min(Math.max(this.abrController.nextAutoLevel, this.minAutoLevel), this.maxAutoLevel);\n }\n\n /**\n * this setter is used to force next auto level.\n * this is useful to force a switch down in auto mode:\n * in case of load error on level N, hls.js can set nextAutoLevel to N-1 for example)\n * forced value is valid for one fragment. upon succesful frag loading at forced level,\n * this value will be resetted to -1 by ABR controller.\n * @type {number}\n */\n set nextAutoLevel (nextLevel: number) {\n this.abrController.nextAutoLevel = Math.max(this.minAutoLevel, nextLevel);\n }\n\n /**\n * @type {AudioTrack[]}\n */\n // todo(typescript-audioTrackController)\n get audioTracks (): any[] {\n const audioTrackController = this.audioTrackController;\n return audioTrackController ? audioTrackController.audioTracks : [];\n }\n\n /**\n * index of the selected audio track (index in audio track lists)\n * @type {number}\n */\n get audioTrack (): number {\n const audioTrackController = this.audioTrackController;\n return audioTrackController ? audioTrackController.audioTrack : -1;\n }\n\n /**\n * selects an audio track, based on its index in audio track lists\n * @type {number}\n */\n set audioTrack (audioTrackId: number) {\n const audioTrackController = this.audioTrackController;\n if (audioTrackController) {\n audioTrackController.audioTrack = audioTrackId;\n }\n }\n\n /**\n * @type {Seconds}\n */\n get liveSyncPosition (): number {\n return this.streamController.liveSyncPosition;\n }\n\n /**\n * get alternate subtitle tracks list from playlist\n * @type {SubtitleTrack[]}\n */\n // todo(typescript-subtitleTrackController)\n get subtitleTracks (): any[] {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleTracks : [];\n }\n\n /**\n * index of the selected subtitle track (index in subtitle track lists)\n * @type {number}\n */\n get subtitleTrack (): number {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleTrack : -1;\n }\n\n /**\n * select an subtitle track, based on its index in subtitle track lists\n * @type {number}\n */\n set subtitleTrack (subtitleTrackId: number) {\n const subtitleTrackController = this.subtitleTrackController;\n if (subtitleTrackController) {\n subtitleTrackController.subtitleTrack = subtitleTrackId;\n }\n }\n\n /**\n * @type {boolean}\n */\n get subtitleDisplay (): boolean {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleDisplay : false;\n }\n\n /**\n * Enable/disable subtitle display rendering\n * @type {boolean}\n */\n set subtitleDisplay (value: boolean) {\n const subtitleTrackController = this.subtitleTrackController;\n if (subtitleTrackController) {\n subtitleTrackController.subtitleDisplay = value;\n }\n }\n}\n","export const isFiniteNumber = Number.isFinite || function (value) {\n return typeof value === 'number' && isFinite(value);\n};\n","/**\n * AAC helper\n */\n\nclass AAC {\n static getSilentFrame (codec, channelCount) {\n switch (codec) {\n case 'mp4a.40.2':\n if (channelCount === 1) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x23, 0x80]);\n } else if (channelCount === 2) {\n return new Uint8Array([0x21, 0x00, 0x49, 0x90, 0x02, 0x19, 0x00, 0x23, 0x80]);\n } else if (channelCount === 3) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x8e]);\n } else if (channelCount === 4) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x80, 0x2c, 0x80, 0x08, 0x02, 0x38]);\n } else if (channelCount === 5) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x38]);\n } else if (channelCount === 6) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x00, 0xb2, 0x00, 0x20, 0x08, 0xe0]);\n }\n\n break;\n // handle HE-AAC below (mp4a.40.5 / mp4a.40.29)\n default:\n if (channelCount === 1) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0:d=0.05\" -c:a libfdk_aac -profile:a aac_he -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x4e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x1c, 0x6, 0xf1, 0xc1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n } else if (channelCount === 2) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0|0:d=0.05\" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n } else if (channelCount === 3) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0|0|0:d=0.05\" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n }\n break;\n }\n return null;\n }\n}\n\nexport default AAC;\n","/**\n * Generate MP4 Box\n*/\n\nconst UINT32_MAX = Math.pow(2, 32) - 1;\n\nclass MP4 {\n static init () {\n MP4.types = {\n avc1: [], // codingname\n avcC: [],\n btrt: [],\n dinf: [],\n dref: [],\n esds: [],\n ftyp: [],\n hdlr: [],\n mdat: [],\n mdhd: [],\n mdia: [],\n mfhd: [],\n minf: [],\n moof: [],\n moov: [],\n mp4a: [],\n '.mp3': [],\n mvex: [],\n mvhd: [],\n pasp: [],\n sdtp: [],\n stbl: [],\n stco: [],\n stsc: [],\n stsd: [],\n stsz: [],\n stts: [],\n tfdt: [],\n tfhd: [],\n traf: [],\n trak: [],\n trun: [],\n trex: [],\n tkhd: [],\n vmhd: [],\n smhd: []\n };\n\n let i;\n for (i in MP4.types) {\n if (MP4.types.hasOwnProperty(i)) {\n MP4.types[i] = [\n i.charCodeAt(0),\n i.charCodeAt(1),\n i.charCodeAt(2),\n i.charCodeAt(3)\n ];\n }\n }\n\n let videoHdlr = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0x76, 0x69, 0x64, 0x65, // handler_type: 'vide'\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x56, 0x69, 0x64, 0x65,\n 0x6f, 0x48, 0x61, 0x6e,\n 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'VideoHandler'\n ]);\n\n let audioHdlr = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0x73, 0x6f, 0x75, 0x6e, // handler_type: 'soun'\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x53, 0x6f, 0x75, 0x6e,\n 0x64, 0x48, 0x61, 0x6e,\n 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'SoundHandler'\n ]);\n\n MP4.HDLR_TYPES = {\n 'video': videoHdlr,\n 'audio': audioHdlr\n };\n\n let dref = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x01, // entry_count\n 0x00, 0x00, 0x00, 0x0c, // entry_size\n 0x75, 0x72, 0x6c, 0x20, // 'url' type\n 0x00, // version 0\n 0x00, 0x00, 0x01 // entry_flags\n ]);\n\n let stco = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00 // entry_count\n ]);\n\n MP4.STTS = MP4.STSC = MP4.STCO = stco;\n\n MP4.STSZ = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // sample_size\n 0x00, 0x00, 0x00, 0x00 // sample_count\n ]);\n MP4.VMHD = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x01, // flags\n 0x00, 0x00, // graphicsmode\n 0x00, 0x00,\n 0x00, 0x00,\n 0x00, 0x00 // opcolor\n ]);\n MP4.SMHD = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, // balance\n 0x00, 0x00 // reserved\n ]);\n\n MP4.STSD = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x01]);// entry_count\n\n let majorBrand = new Uint8Array([105, 115, 111, 109]); // isom\n let avc1Brand = new Uint8Array([97, 118, 99, 49]); // avc1\n let minorVersion = new Uint8Array([0, 0, 0, 1]);\n\n MP4.FTYP = MP4.box(MP4.types.ftyp, majorBrand, minorVersion, majorBrand, avc1Brand);\n MP4.DINF = MP4.box(MP4.types.dinf, MP4.box(MP4.types.dref, dref));\n }\n\n static box (type) {\n let\n payload = Array.prototype.slice.call(arguments, 1),\n size = 8,\n i = payload.length,\n len = i,\n result;\n // calculate the total size we need to allocate\n while (i--) {\n size += payload[i].byteLength;\n }\n\n result = new Uint8Array(size);\n result[0] = (size >> 24) & 0xff;\n result[1] = (size >> 16) & 0xff;\n result[2] = (size >> 8) & 0xff;\n result[3] = size & 0xff;\n result.set(type, 4);\n // copy the payload into the result\n for (i = 0, size = 8; i < len; i++) {\n // copy payload[i] array @ offset size\n result.set(payload[i], size);\n size += payload[i].byteLength;\n }\n return result;\n }\n\n static hdlr (type) {\n return MP4.box(MP4.types.hdlr, MP4.HDLR_TYPES[type]);\n }\n\n static mdat (data) {\n return MP4.box(MP4.types.mdat, data);\n }\n\n static mdhd (timescale, duration) {\n duration *= timescale;\n const upperWordDuration = Math.floor(duration / (UINT32_MAX + 1));\n const lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n return MP4.box(MP4.types.mdhd, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (timescale >> 24) & 0xFF,\n (timescale >> 16) & 0xFF,\n (timescale >> 8) & 0xFF,\n timescale & 0xFF, // timescale\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x55, 0xc4, // 'und' language (undetermined)\n 0x00, 0x00\n ]));\n }\n\n static mdia (track) {\n return MP4.box(MP4.types.mdia, MP4.mdhd(track.timescale, track.duration), MP4.hdlr(track.type), MP4.minf(track));\n }\n\n static mfhd (sequenceNumber) {\n return MP4.box(MP4.types.mfhd, new Uint8Array([\n 0x00,\n 0x00, 0x00, 0x00, // flags\n (sequenceNumber >> 24),\n (sequenceNumber >> 16) & 0xFF,\n (sequenceNumber >> 8) & 0xFF,\n sequenceNumber & 0xFF // sequence_number\n ]));\n }\n\n static minf (track) {\n if (track.type === 'audio') {\n return MP4.box(MP4.types.minf, MP4.box(MP4.types.smhd, MP4.SMHD), MP4.DINF, MP4.stbl(track));\n } else {\n return MP4.box(MP4.types.minf, MP4.box(MP4.types.vmhd, MP4.VMHD), MP4.DINF, MP4.stbl(track));\n }\n }\n\n static moof (sn, baseMediaDecodeTime, track) {\n return MP4.box(MP4.types.moof, MP4.mfhd(sn), MP4.traf(track, baseMediaDecodeTime));\n }\n /**\n * @param tracks... (optional) {array} the tracks associated with this movie\n */\n static moov (tracks) {\n let\n i = tracks.length,\n boxes = [];\n\n while (i--) {\n boxes[i] = MP4.trak(tracks[i]);\n }\n\n return MP4.box.apply(null, [MP4.types.moov, MP4.mvhd(tracks[0].timescale, tracks[0].duration)].concat(boxes).concat(MP4.mvex(tracks)));\n }\n\n static mvex (tracks) {\n let\n i = tracks.length,\n boxes = [];\n\n while (i--) {\n boxes[i] = MP4.trex(tracks[i]);\n }\n\n return MP4.box.apply(null, [MP4.types.mvex].concat(boxes));\n }\n\n static mvhd (timescale, duration) {\n duration *= timescale;\n const upperWordDuration = Math.floor(duration / (UINT32_MAX + 1));\n const lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n let\n bytes = new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (timescale >> 24) & 0xFF,\n (timescale >> 16) & 0xFF,\n (timescale >> 8) & 0xFF,\n timescale & 0xFF, // timescale\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x00, 0x01, 0x00, 0x00, // 1.0 rate\n 0x01, 0x00, // 1.0 volume\n 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0xff, 0xff, 0xff, 0xff // next_track_ID\n ]);\n return MP4.box(MP4.types.mvhd, bytes);\n }\n\n static sdtp (track) {\n let\n samples = track.samples || [],\n bytes = new Uint8Array(4 + samples.length),\n flags,\n i;\n // leave the full box header (4 bytes) all zero\n // write the sample table\n for (i = 0; i < samples.length; i++) {\n flags = samples[i].flags;\n bytes[i + 4] = (flags.dependsOn << 4) |\n (flags.isDependedOn << 2) |\n (flags.hasRedundancy);\n }\n\n return MP4.box(MP4.types.sdtp, bytes);\n }\n\n static stbl (track) {\n return MP4.box(MP4.types.stbl, MP4.stsd(track), MP4.box(MP4.types.stts, MP4.STTS), MP4.box(MP4.types.stsc, MP4.STSC), MP4.box(MP4.types.stsz, MP4.STSZ), MP4.box(MP4.types.stco, MP4.STCO));\n }\n\n static avc1 (track) {\n let sps = [], pps = [], i, data, len;\n // assemble the SPSs\n\n for (i = 0; i < track.sps.length; i++) {\n data = track.sps[i];\n len = data.byteLength;\n sps.push((len >>> 8) & 0xFF);\n sps.push((len & 0xFF));\n\n // SPS\n sps = sps.concat(Array.prototype.slice.call(data));\n }\n\n // assemble the PPSs\n for (i = 0; i < track.pps.length; i++) {\n data = track.pps[i];\n len = data.byteLength;\n pps.push((len >>> 8) & 0xFF);\n pps.push((len & 0xFF));\n\n pps = pps.concat(Array.prototype.slice.call(data));\n }\n\n let avcc = MP4.box(MP4.types.avcC, new Uint8Array([\n 0x01, // version\n sps[3], // profile\n sps[4], // profile compat\n sps[5], // level\n 0xfc | 3, // lengthSizeMinusOne, hard-coded to 4 bytes\n 0xE0 | track.sps.length // 3bit reserved (111) + numOfSequenceParameterSets\n ].concat(sps).concat([\n track.pps.length // numOfPictureParameterSets\n ]).concat(pps))), // \"PPS\"\n width = track.width,\n height = track.height,\n hSpacing = track.pixelRatio[0],\n vSpacing = track.pixelRatio[1];\n\n return MP4.box(MP4.types.avc1, new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, // pre_defined\n 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n (width >> 8) & 0xFF,\n width & 0xff, // width\n (height >> 8) & 0xFF,\n height & 0xff, // height\n 0x00, 0x48, 0x00, 0x00, // horizresolution\n 0x00, 0x48, 0x00, 0x00, // vertresolution\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // frame_count\n 0x12,\n 0x64, 0x61, 0x69, 0x6C, // dailymotion/hls.js\n 0x79, 0x6D, 0x6F, 0x74,\n 0x69, 0x6F, 0x6E, 0x2F,\n 0x68, 0x6C, 0x73, 0x2E,\n 0x6A, 0x73, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, // compressorname\n 0x00, 0x18, // depth = 24\n 0x11, 0x11]), // pre_defined = -1\n avcc,\n MP4.box(MP4.types.btrt, new Uint8Array([\n 0x00, 0x1c, 0x9c, 0x80, // bufferSizeDB\n 0x00, 0x2d, 0xc6, 0xc0, // maxBitrate\n 0x00, 0x2d, 0xc6, 0xc0])), // avgBitrate\n MP4.box(MP4.types.pasp, new Uint8Array([\n (hSpacing >> 24), // hSpacing\n (hSpacing >> 16) & 0xFF,\n (hSpacing >> 8) & 0xFF,\n hSpacing & 0xFF,\n (vSpacing >> 24), // vSpacing\n (vSpacing >> 16) & 0xFF,\n (vSpacing >> 8) & 0xFF,\n vSpacing & 0xFF]))\n );\n }\n\n static esds (track) {\n let configlen = track.config.length;\n return new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n\n 0x03, // descriptor_type\n 0x17 + configlen, // length\n 0x00, 0x01, // es_id\n 0x00, // stream_priority\n\n 0x04, // descriptor_type\n 0x0f + configlen, // length\n 0x40, // codec : mpeg4_audio\n 0x15, // stream_type\n 0x00, 0x00, 0x00, // buffer_size\n 0x00, 0x00, 0x00, 0x00, // maxBitrate\n 0x00, 0x00, 0x00, 0x00, // avgBitrate\n\n 0x05 // descriptor_type\n ].concat([configlen]).concat(track.config).concat([0x06, 0x01, 0x02])); // GASpecificConfig)); // length + audio config descriptor\n }\n\n static mp4a (track) {\n let samplerate = track.samplerate;\n return MP4.box(MP4.types.mp4a, new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, track.channelCount, // channelcount\n 0x00, 0x10, // sampleSize:16bits\n 0x00, 0x00, 0x00, 0x00, // reserved2\n (samplerate >> 8) & 0xFF,\n samplerate & 0xff, //\n 0x00, 0x00]),\n MP4.box(MP4.types.esds, MP4.esds(track)));\n }\n\n static mp3 (track) {\n let samplerate = track.samplerate;\n return MP4.box(MP4.types['.mp3'], new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, track.channelCount, // channelcount\n 0x00, 0x10, // sampleSize:16bits\n 0x00, 0x00, 0x00, 0x00, // reserved2\n (samplerate >> 8) & 0xFF,\n samplerate & 0xff, //\n 0x00, 0x00]));\n }\n\n static stsd (track) {\n if (track.type === 'audio') {\n if (!track.isAAC && track.codec === 'mp3') {\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp3(track));\n }\n\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp4a(track));\n } else {\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.avc1(track));\n }\n }\n\n static tkhd (track) {\n let id = track.id,\n duration = track.duration * track.timescale,\n width = track.width,\n height = track.height,\n upperWordDuration = Math.floor(duration / (UINT32_MAX + 1)),\n lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n return MP4.box(MP4.types.tkhd, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x07, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (id >> 24) & 0xFF,\n (id >> 16) & 0xFF,\n (id >> 8) & 0xFF,\n id & 0xFF, // track_ID\n 0x00, 0x00, 0x00, 0x00, // reserved\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, // layer\n 0x00, 0x00, // alternate_group\n 0x00, 0x00, // non-audio track volume\n 0x00, 0x00, // reserved\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n (width >> 8) & 0xFF,\n width & 0xFF,\n 0x00, 0x00, // width\n (height >> 8) & 0xFF,\n height & 0xFF,\n 0x00, 0x00 // height\n ]));\n }\n\n static traf (track, baseMediaDecodeTime) {\n let sampleDependencyTable = MP4.sdtp(track),\n id = track.id,\n upperWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1)),\n lowerWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1));\n return MP4.box(MP4.types.traf,\n MP4.box(MP4.types.tfhd, new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n (id >> 24),\n (id >> 16) & 0XFF,\n (id >> 8) & 0XFF,\n (id & 0xFF) // track_ID\n ])),\n MP4.box(MP4.types.tfdt, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n (upperWordBaseMediaDecodeTime >> 24),\n (upperWordBaseMediaDecodeTime >> 16) & 0XFF,\n (upperWordBaseMediaDecodeTime >> 8) & 0XFF,\n (upperWordBaseMediaDecodeTime & 0xFF),\n (lowerWordBaseMediaDecodeTime >> 24),\n (lowerWordBaseMediaDecodeTime >> 16) & 0XFF,\n (lowerWordBaseMediaDecodeTime >> 8) & 0XFF,\n (lowerWordBaseMediaDecodeTime & 0xFF)\n ])),\n MP4.trun(track,\n sampleDependencyTable.length +\n 16 + // tfhd\n 20 + // tfdt\n 8 + // traf header\n 16 + // mfhd\n 8 + // moof header\n 8), // mdat header\n sampleDependencyTable);\n }\n\n /**\n * Generate a track box.\n * @param track {object} a track definition\n * @return {Uint8Array} the track box\n */\n static trak (track) {\n track.duration = track.duration || 0xffffffff;\n return MP4.box(MP4.types.trak, MP4.tkhd(track), MP4.mdia(track));\n }\n\n static trex (track) {\n let id = track.id;\n return MP4.box(MP4.types.trex, new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n (id >> 24),\n (id >> 16) & 0XFF,\n (id >> 8) & 0XFF,\n (id & 0xFF), // track_ID\n 0x00, 0x00, 0x00, 0x01, // default_sample_description_index\n 0x00, 0x00, 0x00, 0x00, // default_sample_duration\n 0x00, 0x00, 0x00, 0x00, // default_sample_size\n 0x00, 0x01, 0x00, 0x01 // default_sample_flags\n ]));\n }\n\n static trun (track, offset) {\n let samples = track.samples || [],\n len = samples.length,\n arraylen = 12 + (16 * len),\n array = new Uint8Array(arraylen),\n i, sample, duration, size, flags, cts;\n offset += 8 + arraylen;\n array.set([\n 0x00, // version 0\n 0x00, 0x0f, 0x01, // flags\n (len >>> 24) & 0xFF,\n (len >>> 16) & 0xFF,\n (len >>> 8) & 0xFF,\n len & 0xFF, // sample_count\n (offset >>> 24) & 0xFF,\n (offset >>> 16) & 0xFF,\n (offset >>> 8) & 0xFF,\n offset & 0xFF // data_offset\n ], 0);\n for (i = 0; i < len; i++) {\n sample = samples[i];\n duration = sample.duration;\n size = sample.size;\n flags = sample.flags;\n cts = sample.cts;\n array.set([\n (duration >>> 24) & 0xFF,\n (duration >>> 16) & 0xFF,\n (duration >>> 8) & 0xFF,\n duration & 0xFF, // sample_duration\n (size >>> 24) & 0xFF,\n (size >>> 16) & 0xFF,\n (size >>> 8) & 0xFF,\n size & 0xFF, // sample_size\n (flags.isLeading << 2) | flags.dependsOn,\n (flags.isDependedOn << 6) |\n (flags.hasRedundancy << 4) |\n (flags.paddingValue << 1) |\n flags.isNonSync,\n flags.degradPrio & 0xF0 << 8,\n flags.degradPrio & 0x0F, // sample_flags\n (cts >>> 24) & 0xFF,\n (cts >>> 16) & 0xFF,\n (cts >>> 8) & 0xFF,\n cts & 0xFF // sample_composition_time_offset\n ], 12 + 16 * i);\n }\n return MP4.box(MP4.types.trun, array);\n }\n\n static initSegment (tracks) {\n if (!MP4.types) {\n MP4.init();\n }\n\n let movie = MP4.moov(tracks), result;\n result = new Uint8Array(MP4.FTYP.byteLength + movie.byteLength);\n result.set(MP4.FTYP);\n result.set(movie, MP4.FTYP.byteLength);\n return result;\n }\n}\n\nexport default MP4;\n","/**\n * fMP4 remuxer\n*/\n\nimport AAC from './aac-helper';\nimport MP4 from './mp4-generator';\n\nimport Event from '../events';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\nimport { toMsFromMpegTsClock, toMpegTsClockFromTimescale, toTimescaleFromScale } from '../utils/timescale-conversion';\n\nimport { logger } from '../utils/logger';\n\nconst MAX_SILENT_FRAME_DURATION_90KHZ = toMpegTsClockFromTimescale(10);\nconst PTS_DTS_SHIFT_TOLERANCE_90KHZ = toMpegTsClockFromTimescale(0.2);\n\nclass MP4Remuxer {\n constructor (observer, config, typeSupported, vendor) {\n this.observer = observer;\n this.config = config;\n this.typeSupported = typeSupported;\n const userAgent = navigator.userAgent;\n this.isSafari = vendor && vendor.indexOf('Apple') > -1 && userAgent && !userAgent.match('CriOS');\n this.ISGenerated = false;\n }\n\n destroy () {\n }\n\n resetTimeStamp (defaultTimeStamp) {\n this._initPTS = this._initDTS = defaultTimeStamp;\n }\n\n resetInitSegment () {\n this.ISGenerated = false;\n }\n\n remux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n // generate Init Segment if needed\n if (!this.ISGenerated) {\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n\n if (this.ISGenerated) {\n const nbAudioSamples = audioTrack.samples.length;\n const nbVideoSamples = videoTrack.samples.length;\n let audioTimeOffset = timeOffset;\n let videoTimeOffset = timeOffset;\n if (nbAudioSamples && nbVideoSamples) {\n // timeOffset is expected to be the offset of the first timestamp of this fragment (first DTS)\n // if first audio DTS is not aligned with first video DTS then we need to take that into account\n // when providing timeOffset to remuxAudio / remuxVideo. if we don't do that, there might be a permanent / small\n // drift between audio and video streams\n let audiovideoDeltaDts = (audioTrack.samples[0].pts - videoTrack.samples[0].pts) / videoTrack.inputTimeScale;\n audioTimeOffset += Math.max(0, audiovideoDeltaDts);\n videoTimeOffset += Math.max(0, -audiovideoDeltaDts);\n }\n // Purposefully remuxing audio before video, so that remuxVideo can use nextAudioPts, which is\n // calculated in remuxAudio.\n // logger.log('nb AAC samples:' + audioTrack.samples.length);\n if (nbAudioSamples) {\n // if initSegment was generated without video samples, regenerate it again\n if (!audioTrack.timescale) {\n logger.warn('regenerate InitSegment as audio detected');\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n let audioData = this.remuxAudio(audioTrack, audioTimeOffset, contiguous, accurateTimeOffset);\n // logger.log('nb AVC samples:' + videoTrack.samples.length);\n if (nbVideoSamples) {\n let audioTrackLength;\n if (audioData) {\n audioTrackLength = audioData.endPTS - audioData.startPTS;\n }\n\n // if initSegment was generated without video samples, regenerate it again\n if (!videoTrack.timescale) {\n logger.warn('regenerate InitSegment as video detected');\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n this.remuxVideo(videoTrack, videoTimeOffset, contiguous, audioTrackLength, accurateTimeOffset);\n }\n } else {\n // logger.log('nb AVC samples:' + videoTrack.samples.length);\n if (nbVideoSamples) {\n let videoData = this.remuxVideo(videoTrack, videoTimeOffset, contiguous, 0, accurateTimeOffset);\n if (videoData && audioTrack.codec) {\n this.remuxEmptyAudio(audioTrack, audioTimeOffset, contiguous, videoData);\n }\n }\n }\n }\n // logger.log('nb ID3 samples:' + audioTrack.samples.length);\n if (id3Track.samples.length) {\n this.remuxID3(id3Track, timeOffset);\n }\n\n // logger.log('nb ID3 samples:' + audioTrack.samples.length);\n if (textTrack.samples.length) {\n this.remuxText(textTrack, timeOffset);\n }\n\n // notify end of parsing\n this.observer.trigger(Event.FRAG_PARSED);\n }\n\n generateIS (audioTrack, videoTrack, timeOffset) {\n let observer = this.observer,\n audioSamples = audioTrack.samples,\n videoSamples = videoTrack.samples,\n typeSupported = this.typeSupported,\n container = 'audio/mp4',\n tracks = {},\n data = { tracks: tracks },\n computePTSDTS = (this._initPTS === undefined),\n initPTS, initDTS, timescale;\n\n if (computePTSDTS) {\n initPTS = initDTS = Infinity;\n }\n\n if (audioTrack.config && audioSamples.length) {\n // let's use audio sampling rate as MP4 time scale.\n // rationale is that there is a integer nb of audio frames per audio sample (1024 for AAC)\n // using audio sampling rate here helps having an integer MP4 frame duration\n // this avoids potential rounding issue and AV sync issue\n audioTrack.timescale = audioTrack.samplerate;\n logger.log(`audio sampling rate : ${audioTrack.samplerate}`);\n if (!audioTrack.isAAC) {\n if (typeSupported.mpeg) { // Chrome and Safari\n container = 'audio/mpeg';\n audioTrack.codec = '';\n } else if (typeSupported.mp3) { // Firefox\n audioTrack.codec = 'mp3';\n }\n }\n tracks.audio = {\n container: container,\n codec: audioTrack.codec,\n initSegment: !audioTrack.isAAC && typeSupported.mpeg ? new Uint8Array() : MP4.initSegment([audioTrack]),\n metadata: {\n channelCount: audioTrack.channelCount\n }\n };\n if (computePTSDTS) {\n timescale = audioTrack.inputTimeScale;\n // remember first PTS of this demuxing context. for audio, PTS = DTS\n initPTS = initDTS = audioSamples[0].pts - Math.round(timescale * timeOffset);\n }\n }\n\n if (videoTrack.sps && videoTrack.pps && videoSamples.length) {\n // let's use input time scale as MP4 video timescale\n // we use input time scale straight away to avoid rounding issues on frame duration / cts computation\n const inputTimeScale = videoTrack.inputTimeScale;\n videoTrack.timescale = inputTimeScale;\n tracks.video = {\n container: 'video/mp4',\n codec: videoTrack.codec,\n initSegment: MP4.initSegment([videoTrack]),\n metadata: {\n width: videoTrack.width,\n height: videoTrack.height\n }\n };\n if (computePTSDTS) {\n timescale = videoTrack.inputTimeScale;\n initPTS = Math.min(initPTS, videoSamples[0].pts - inputTimeScale * timeOffset);\n initDTS = Math.min(initDTS, videoSamples[0].dts - inputTimeScale * timeOffset);\n this.observer.trigger(Event.INIT_PTS_FOUND, { initPTS: initPTS, timescale });\n }\n }\n\n if (Object.keys(tracks).length) {\n observer.trigger(Event.FRAG_PARSING_INIT_SEGMENT, data);\n this.ISGenerated = true;\n if (computePTSDTS) {\n this._initPTS = initPTS;\n this._initDTS = initDTS;\n }\n } else {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: false, reason: 'no audio/video samples found' });\n }\n }\n\n remuxVideo (track, timeOffset, contiguous, audioTrackLength, accurateTimeOffset) {\n let offset = 8;\n let mp4SampleDuration;\n let mdat;\n let moof;\n let firstPTS;\n let firstDTS;\n let lastPTS;\n let lastDTS;\n const timeScale = track.timescale;\n const inputSamples = track.samples;\n const outputSamples = [];\n const nbSamples = inputSamples.length;\n const ptsNormalize = this._PTSNormalize;\n const initPTS = this._initPTS;\n\n // if parsed fragment is contiguous with last one, let's use last DTS value as reference\n let nextAvcDts = this.nextAvcDts;\n\n const isSafari = this.isSafari;\n\n if (nbSamples === 0) {\n return;\n }\n\n // Safari does not like overlapping DTS on consecutive fragments. let's use nextAvcDts to overcome this if fragments are consecutive\n if (isSafari) {\n // also consider consecutive fragments as being contiguous (even if a level switch occurs),\n // for sake of clarity:\n // consecutive fragments are frags with\n // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR\n // - less than 200 ms PTS gaps (timeScale/5)\n contiguous |= (inputSamples.length && nextAvcDts &&\n ((accurateTimeOffset && Math.abs(timeOffset - nextAvcDts / timeScale) < 0.1) ||\n Math.abs((inputSamples[0].pts - nextAvcDts - initPTS)) < timeScale / 5)\n );\n }\n\n if (!contiguous) {\n // if not contiguous, let's use target timeOffset\n nextAvcDts = timeOffset * timeScale;\n }\n\n // PTS is coded on 33bits, and can loop from -2^32 to 2^32\n // ptsNormalize will make PTS/DTS value monotonic, we use last known DTS value as reference value\n inputSamples.forEach(function (sample) {\n sample.pts = ptsNormalize(sample.pts - initPTS, nextAvcDts);\n sample.dts = ptsNormalize(sample.dts - initPTS, nextAvcDts);\n });\n\n // sort video samples by DTS then PTS then demux id order\n inputSamples.sort(function (a, b) {\n const deltadts = a.dts - b.dts;\n const deltapts = a.pts - b.pts;\n return deltadts || (deltapts || (a.id - b.id));\n });\n\n // handle broken streams with PTS < DTS, tolerance up 0.2 seconds\n let PTSDTSshift = inputSamples.reduce((prev, curr) => Math.max(Math.min(prev, curr.pts - curr.dts), -1 * PTS_DTS_SHIFT_TOLERANCE_90KHZ), 0);\n if (PTSDTSshift < 0) {\n logger.warn(`PTS < DTS detected in video samples, shifting DTS by ${toMsFromMpegTsClock(PTSDTSshift, true)} ms to overcome this issue`);\n for (let i = 0; i < inputSamples.length; i++) {\n inputSamples[i].dts += PTSDTSshift;\n }\n }\n\n // compute first DTS and last DTS, normalize them against reference value\n let sample = inputSamples[0];\n firstDTS = Math.max(sample.dts, 0);\n firstPTS = Math.max(sample.pts, 0);\n\n // check timestamp continuity accross consecutive fragments (this is to remove inter-fragment gap/hole)\n let delta = firstDTS - nextAvcDts;\n // if fragment are contiguous, detect hole/overlapping between fragments\n if (contiguous) {\n if (delta) {\n if (delta > 1) {\n logger.log(`AVC: ${toMsFromMpegTsClock(delta, true)} ms hole between fragments detected,filling it`);\n } else if (delta < -1) {\n logger.log(`AVC: ${toMsFromMpegTsClock(-delta, true)} ms overlapping between fragments detected`);\n }\n\n // remove hole/gap : set DTS to next expected DTS\n firstDTS = nextAvcDts;\n inputSamples[0].dts = firstDTS;\n // offset PTS as well, ensure that PTS is smaller or equal than new DTS\n firstPTS = Math.max(firstPTS - delta, nextAvcDts);\n inputSamples[0].pts = firstPTS;\n logger.log(`Video: PTS/DTS adjusted: ${toMsFromMpegTsClock(firstPTS, true)}/${toMsFromMpegTsClock(firstDTS, true)}, delta: ${toMsFromMpegTsClock(delta, true)} ms`);\n }\n }\n\n // compute lastPTS/lastDTS\n sample = inputSamples[inputSamples.length - 1];\n lastDTS = Math.max(sample.dts, 0);\n lastPTS = Math.max(sample.pts, 0, lastDTS);\n\n // on Safari let's signal the same sample duration for all samples\n // sample duration (as expected by trun MP4 boxes), should be the delta between sample DTS\n // set this constant duration as being the avg delta between consecutive DTS.\n if (isSafari) {\n mp4SampleDuration = Math.round((lastDTS - firstDTS) / (inputSamples.length - 1));\n }\n\n let nbNalu = 0, naluLen = 0;\n for (let i = 0; i < nbSamples; i++) {\n // compute total/avc sample length and nb of NAL units\n let sample = inputSamples[i], units = sample.units, nbUnits = units.length, sampleLen = 0;\n for (let j = 0; j < nbUnits; j++) {\n sampleLen += units[j].data.length;\n }\n\n naluLen += sampleLen;\n nbNalu += nbUnits;\n sample.length = sampleLen;\n\n // normalize PTS/DTS\n if (isSafari) {\n // sample DTS is computed using a constant decoding offset (mp4SampleDuration) between samples\n sample.dts = firstDTS + i * mp4SampleDuration;\n } else {\n // ensure sample monotonic DTS\n sample.dts = Math.max(sample.dts, firstDTS);\n }\n // ensure that computed value is greater or equal than sample DTS\n sample.pts = Math.max(sample.pts, sample.dts);\n }\n\n /* concatenate the video data and construct the mdat in place\n (need 8 more bytes to fill length and mpdat type) */\n let mdatSize = naluLen + (4 * nbNalu) + 8;\n try {\n mdat = new Uint8Array(mdatSize);\n } catch (err) {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MUX_ERROR, details: ErrorDetails.REMUX_ALLOC_ERROR, fatal: false, bytes: mdatSize, reason: `fail allocating video mdat ${mdatSize}` });\n return;\n }\n let view = new DataView(mdat.buffer);\n view.setUint32(0, mdatSize);\n mdat.set(MP4.types.mdat, 4);\n\n for (let i = 0; i < nbSamples; i++) {\n let avcSample = inputSamples[i],\n avcSampleUnits = avcSample.units,\n mp4SampleLength = 0,\n compositionTimeOffset;\n // convert NALU bitstream to MP4 format (prepend NALU with size field)\n for (let j = 0, nbUnits = avcSampleUnits.length; j < nbUnits; j++) {\n let unit = avcSampleUnits[j],\n unitData = unit.data,\n unitDataLen = unit.data.byteLength;\n view.setUint32(offset, unitDataLen);\n offset += 4;\n mdat.set(unitData, offset);\n offset += unitDataLen;\n mp4SampleLength += 4 + unitDataLen;\n }\n\n if (!isSafari) {\n // expected sample duration is the Decoding Timestamp diff of consecutive samples\n if (i < nbSamples - 1) {\n mp4SampleDuration = inputSamples[i + 1].dts - avcSample.dts;\n } else {\n let config = this.config,\n lastFrameDuration = avcSample.dts - inputSamples[i > 0 ? i - 1 : i].dts;\n if (config.stretchShortVideoTrack) {\n // In some cases, a segment's audio track duration may exceed the video track duration.\n // Since we've already remuxed audio, and we know how long the audio track is, we look to\n // see if the delta to the next segment is longer than maxBufferHole.\n // If so, playback would potentially get stuck, so we artificially inflate\n // the duration of the last frame to minimize any potential gap between segments.\n let maxBufferHole = config.maxBufferHole,\n gapTolerance = Math.floor(maxBufferHole * timeScale),\n deltaToFrameEnd = (audioTrackLength ? firstPTS + audioTrackLength * timeScale : this.nextAudioPts) - avcSample.pts;\n if (deltaToFrameEnd > gapTolerance) {\n // We subtract lastFrameDuration from deltaToFrameEnd to try to prevent any video\n // frame overlap. maxBufferHole should be >> lastFrameDuration anyway.\n mp4SampleDuration = deltaToFrameEnd - lastFrameDuration;\n if (mp4SampleDuration < 0) {\n mp4SampleDuration = lastFrameDuration;\n }\n\n logger.log(`It is approximately ${toMsFromMpegTsClock(deltaToFrameEnd, false)} ms to the next segment; using duration ${toMsFromMpegTsClock(mp4SampleDuration, false)} ms for the last video frame.`);\n } else {\n mp4SampleDuration = lastFrameDuration;\n }\n } else {\n mp4SampleDuration = lastFrameDuration;\n }\n }\n compositionTimeOffset = Math.round(avcSample.pts - avcSample.dts);\n } else {\n compositionTimeOffset = Math.max(0, mp4SampleDuration * Math.round((avcSample.pts - avcSample.dts) / mp4SampleDuration));\n }\n\n // console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${avcSample.pts}/${avcSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(avcSample.pts/4294967296).toFixed(3)}');\n outputSamples.push({\n size: mp4SampleLength,\n // constant duration\n duration: mp4SampleDuration,\n cts: compositionTimeOffset,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: avcSample.key ? 2 : 1,\n isNonSync: avcSample.key ? 0 : 1\n }\n });\n }\n // next AVC sample DTS should be equal to last sample DTS + last sample duration (in PES timescale)\n this.nextAvcDts = lastDTS + mp4SampleDuration;\n let dropped = track.dropped;\n track.nbNalu = 0;\n track.dropped = 0;\n if (outputSamples.length && navigator.userAgent.toLowerCase().indexOf('chrome') > -1) {\n let flags = outputSamples[0].flags;\n // chrome workaround, mark first sample as being a Random Access Point to avoid sourcebuffer append issue\n // https://code.google.com/p/chromium/issues/detail?id=229412\n flags.dependsOn = 2;\n flags.isNonSync = 0;\n }\n track.samples = outputSamples;\n moof = MP4.moof(track.sequenceNumber++, firstDTS, track);\n track.samples = [];\n\n let data = {\n data1: moof,\n data2: mdat,\n startPTS: firstPTS / timeScale,\n endPTS: (lastPTS + mp4SampleDuration) / timeScale,\n startDTS: firstDTS / timeScale,\n endDTS: this.nextAvcDts / timeScale,\n type: 'video',\n hasAudio: false,\n hasVideo: true,\n nb: outputSamples.length,\n dropped: dropped\n };\n this.observer.trigger(Event.FRAG_PARSING_DATA, data);\n return data;\n }\n\n remuxAudio (track, timeOffset, contiguous, accurateTimeOffset) {\n const inputTimeScale = track.inputTimeScale;\n const mp4timeScale = track.timescale;\n const scaleFactor = inputTimeScale / mp4timeScale;\n const mp4SampleDuration = track.isAAC ? 1024 : 1152;\n const inputSampleDuration = mp4SampleDuration * scaleFactor;\n const ptsNormalize = this._PTSNormalize;\n const initPTS = this._initPTS;\n const rawMPEG = !track.isAAC && this.typeSupported.mpeg;\n\n let mp4Sample;\n let fillFrame;\n let mdat;\n let moof;\n let firstPTS;\n let lastPTS;\n let offset = (rawMPEG ? 0 : 8);\n let inputSamples = track.samples;\n let outputSamples = [];\n let nextAudioPts = this.nextAudioPts;\n\n // for audio samples, also consider consecutive fragments as being contiguous (even if a level switch occurs),\n // for sake of clarity:\n // consecutive fragments are frags with\n // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR\n // - less than 20 audio frames distance\n // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1)\n // this helps ensuring audio continuity\n // and this also avoids audio glitches/cut when switching quality, or reporting wrong duration on first audio frame\n contiguous |= (inputSamples.length && nextAudioPts &&\n ((accurateTimeOffset && Math.abs(timeOffset - nextAudioPts / inputTimeScale) < 0.1) ||\n Math.abs((inputSamples[0].pts - nextAudioPts - initPTS)) < 20 * inputSampleDuration)\n );\n\n // compute normalized PTS\n inputSamples.forEach(function (sample) {\n sample.pts = sample.dts = ptsNormalize(sample.pts - initPTS, timeOffset * inputTimeScale);\n });\n\n // filter out sample with negative PTS that are not playable anyway\n // if we don't remove these negative samples, they will shift all audio samples forward.\n // leading to audio overlap between current / next fragment\n inputSamples = inputSamples.filter(function (sample) {\n return sample.pts >= 0;\n });\n\n // in case all samples have negative PTS, and have been filtered out, return now\n if (inputSamples.length === 0) {\n return;\n }\n\n if (!contiguous) {\n if (!accurateTimeOffset) {\n // if frag are mot contiguous and if we cant trust time offset, let's use first sample PTS as next audio PTS\n nextAudioPts = inputSamples[0].pts;\n } else {\n // if timeOffset is accurate, let's use it as predicted next audio PTS\n nextAudioPts = timeOffset * inputTimeScale;\n }\n }\n\n // If the audio track is missing samples, the frames seem to get \"left-shifted\" within the\n // resulting mp4 segment, causing sync issues and leaving gaps at the end of the audio segment.\n // In an effort to prevent this from happening, we inject frames here where there are gaps.\n // When possible, we inject a silent frame; when that's not possible, we duplicate the last\n // frame.\n\n if (track.isAAC) {\n const maxAudioFramesDrift = this.config.maxAudioFramesDrift;\n for (let i = 0, nextPts = nextAudioPts; i < inputSamples.length;) {\n // First, let's see how far off this frame is from where we expect it to be\n var sample = inputSamples[i], delta;\n let pts = sample.pts;\n delta = pts - nextPts;\n\n // If we're overlapping by more than a duration, drop this sample\n if (delta <= -maxAudioFramesDrift * inputSampleDuration) {\n logger.warn(`Dropping 1 audio frame @ ${toMsFromMpegTsClock(nextPts, true)} ms due to ${toMsFromMpegTsClock(delta, true)} ms overlap.`);\n inputSamples.splice(i, 1);\n // Don't touch nextPtsNorm or i\n } // eslint-disable-line brace-style\n\n // Insert missing frames if:\n // 1: We're more than maxAudioFramesDrift frame away\n // 2: Not more than MAX_SILENT_FRAME_DURATION away\n // 3: currentTime (aka nextPtsNorm) is not 0\n else if (delta >= maxAudioFramesDrift * inputSampleDuration && delta < MAX_SILENT_FRAME_DURATION_90KHZ && nextPts) {\n let missing = Math.round(delta / inputSampleDuration);\n logger.warn(`Injecting ${missing} audio frames @ ${toMsFromMpegTsClock(nextPts, true)} ms due to ${toMsFromMpegTsClock(nextPts, true)} ms gap.`);\n for (let j = 0; j < missing; j++) {\n let newStamp = Math.max(nextPts, 0);\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n logger.log('Unable to get silent frame for given audio codec; duplicating last frame instead.');\n fillFrame = sample.unit.subarray();\n }\n inputSamples.splice(i, 0, { unit: fillFrame, pts: newStamp, dts: newStamp });\n nextPts += inputSampleDuration;\n i++;\n }\n\n // Adjust sample to next expected pts\n sample.pts = sample.dts = nextPts;\n nextPts += inputSampleDuration;\n i++;\n } else {\n // Otherwise, just adjust pts\n if (Math.abs(delta) > (0.1 * inputSampleDuration)) {\n // logger.log(`Invalid frame delta ${Math.round(delta + inputSampleDuration)} at PTS ${Math.round(pts / 90)} (should be ${Math.round(inputSampleDuration)}).`);\n }\n sample.pts = sample.dts = nextPts;\n nextPts += inputSampleDuration;\n i++;\n }\n }\n }\n\n // compute mdat size, as we eventually filtered/added some samples\n let nbSamples = inputSamples.length;\n let mdatSize = 0;\n while (nbSamples--) {\n mdatSize += inputSamples[nbSamples].unit.byteLength;\n }\n\n for (let j = 0, nbSamples = inputSamples.length; j < nbSamples; j++) {\n let audioSample = inputSamples[j];\n let unit = audioSample.unit;\n let pts = audioSample.pts;\n\n // logger.log(`Audio/PTS:${toMsFromMpegTsClock(pts, true)}`);\n // if not first sample\n\n if (lastPTS !== undefined) {\n mp4Sample.duration = Math.round((pts - lastPTS) / scaleFactor);\n } else {\n let delta = pts - nextAudioPts;\n let numMissingFrames = 0;\n\n // if fragment are contiguous, detect hole/overlapping between fragments\n // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1)\n if (contiguous && track.isAAC) {\n // log delta\n if (delta) {\n if (delta > 0 && delta < MAX_SILENT_FRAME_DURATION_90KHZ) {\n // Q: why do we have to round here, shouldn't this always result in an integer if timestamps are correct,\n // and if not, shouldn't we actually Math.ceil() instead?\n numMissingFrames = Math.round((pts - nextAudioPts) / inputSampleDuration);\n\n logger.log(`${toMsFromMpegTsClock(delta, true)} ms hole between AAC samples detected,filling it`);\n if (numMissingFrames > 0) {\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n fillFrame = unit.subarray();\n }\n\n mdatSize += numMissingFrames * fillFrame.length;\n }\n // if we have frame overlap, overlapping for more than half a frame duraion\n } else if (delta < -12) {\n // drop overlapping audio frames... browser will deal with it\n logger.log(`drop overlapping AAC sample, expected/parsed/delta: ${toMsFromMpegTsClock(nextAudioPts, true)} ms / ${toMsFromMpegTsClock(pts, true)} ms / ${toMsFromMpegTsClock(-delta, true)} ms`);\n mdatSize -= unit.byteLength;\n continue;\n }\n // set PTS/DTS to expected PTS/DTS\n pts = nextAudioPts;\n }\n }\n // remember first PTS of our audioSamples\n firstPTS = pts;\n if (mdatSize > 0) {\n mdatSize += offset;\n try {\n mdat = new Uint8Array(mdatSize);\n } catch (err) {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MUX_ERROR, details: ErrorDetails.REMUX_ALLOC_ERROR, fatal: false, bytes: mdatSize, reason: `fail allocating audio mdat ${mdatSize}` });\n return;\n }\n if (!rawMPEG) {\n const view = new DataView(mdat.buffer);\n view.setUint32(0, mdatSize);\n mdat.set(MP4.types.mdat, 4);\n }\n } else {\n // no audio samples\n return;\n }\n for (let i = 0; i < numMissingFrames; i++) {\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n logger.log('Unable to get silent frame for given audio codec; duplicating this frame instead.');\n fillFrame = unit.subarray();\n }\n mdat.set(fillFrame, offset);\n offset += fillFrame.byteLength;\n mp4Sample = {\n size: fillFrame.byteLength,\n cts: 0,\n duration: 1024,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: 1\n }\n };\n outputSamples.push(mp4Sample);\n }\n }\n mdat.set(unit, offset);\n let unitLen = unit.byteLength;\n offset += unitLen;\n // console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${audioSample.pts}/${audioSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(audioSample.pts/4294967296).toFixed(3)}');\n mp4Sample = {\n size: unitLen,\n cts: 0,\n duration: 0,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: 1\n }\n };\n outputSamples.push(mp4Sample);\n lastPTS = pts;\n }\n let lastSampleDuration = 0;\n nbSamples = outputSamples.length;\n // set last sample duration as being identical to previous sample\n if (nbSamples >= 2) {\n lastSampleDuration = outputSamples[nbSamples - 2].duration;\n mp4Sample.duration = lastSampleDuration;\n }\n if (nbSamples) {\n // next audio sample PTS should be equal to last sample PTS + duration\n this.nextAudioPts = nextAudioPts = lastPTS + scaleFactor * lastSampleDuration;\n // logger.log('Audio/PTS/PTSend:' + audioSample.pts.toFixed(0) + '/' + this.nextAacDts.toFixed(0));\n track.samples = outputSamples;\n if (rawMPEG) {\n moof = new Uint8Array();\n } else {\n moof = MP4.moof(track.sequenceNumber++, firstPTS / scaleFactor, track);\n }\n\n track.samples = [];\n const start = firstPTS / inputTimeScale;\n const end = nextAudioPts / inputTimeScale;\n const audioData = {\n data1: moof,\n data2: mdat,\n startPTS: start,\n endPTS: end,\n startDTS: start,\n endDTS: end,\n type: 'audio',\n hasAudio: true,\n hasVideo: false,\n nb: nbSamples\n };\n this.observer.trigger(Event.FRAG_PARSING_DATA, audioData);\n return audioData;\n }\n return null;\n }\n\n remuxEmptyAudio (track, timeOffset, contiguous, videoData) {\n let inputTimeScale = track.inputTimeScale;\n let mp4timeScale = track.samplerate ? track.samplerate : inputTimeScale;\n let scaleFactor = inputTimeScale / mp4timeScale;\n let nextAudioPts = this.nextAudioPts;\n\n // sync with video's timestamp\n let startDTS = (nextAudioPts !== undefined ? nextAudioPts : videoData.startDTS * inputTimeScale) + this._initDTS;\n let endDTS = videoData.endDTS * inputTimeScale + this._initDTS;\n // one sample's duration value\n let sampleDuration = 1024;\n let frameDuration = scaleFactor * sampleDuration;\n\n // samples count of this segment's duration\n let nbSamples = Math.ceil((endDTS - startDTS) / frameDuration);\n\n // silent frame\n let silentFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n\n logger.warn('remux empty Audio');\n // Can't remux if we can't generate a silent frame...\n if (!silentFrame) {\n logger.trace('Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!');\n return;\n }\n\n let samples = [];\n for (let i = 0; i < nbSamples; i++) {\n let stamp = startDTS + i * frameDuration;\n samples.push({ unit: silentFrame, pts: stamp, dts: stamp });\n }\n track.samples = samples;\n\n this.remuxAudio(track, timeOffset, contiguous);\n }\n\n remuxID3 (track) {\n let length = track.samples.length, sample;\n const inputTimeScale = track.inputTimeScale;\n const initPTS = this._initPTS;\n const initDTS = this._initDTS;\n // consume samples\n if (length) {\n for (let index = 0; index < length; index++) {\n sample = track.samples[index];\n // setting id3 pts, dts to relative time\n // using this._initPTS and this._initDTS to calculate relative time\n sample.pts = ((sample.pts - initPTS) / inputTimeScale);\n sample.dts = ((sample.dts - initDTS) / inputTimeScale);\n }\n this.observer.trigger(Event.FRAG_PARSING_METADATA, {\n samples: track.samples\n });\n }\n\n track.samples = [];\n }\n\n remuxText (track) {\n track.samples.sort(function (a, b) {\n return (a.pts - b.pts);\n });\n\n let length = track.samples.length, sample;\n const inputTimeScale = track.inputTimeScale;\n const initPTS = this._initPTS;\n // consume samples\n if (length) {\n for (let index = 0; index < length; index++) {\n sample = track.samples[index];\n // setting text pts, dts to relative time\n // using this._initPTS and this._initDTS to calculate relative time\n sample.pts = ((sample.pts - initPTS) / inputTimeScale);\n }\n this.observer.trigger(Event.FRAG_PARSING_USERDATA, {\n samples: track.samples\n });\n }\n\n track.samples = [];\n }\n\n _PTSNormalize (value, reference) {\n let offset;\n if (reference === undefined) {\n return value;\n }\n\n if (reference < value) {\n // - 2^33\n offset = -8589934592;\n } else {\n // + 2^33\n offset = 8589934592;\n }\n /* PTS is 33bit (from 0 to 2^33 -1)\n if diff between value and reference is bigger than half of the amplitude (2^32) then it means that\n PTS looping occured. fill the gap */\n while (Math.abs(value - reference) > 4294967296) {\n value += offset;\n }\n\n return value;\n }\n}\n\nexport function normalizePts (value, reference) {\n let offset;\n if (reference === null) {\n return value;\n }\n\n if (reference < value) {\n // - 2^33\n offset = -8589934592;\n } else {\n // + 2^33\n offset = 8589934592;\n }\n /* PTS is 33bit (from 0 to 2^33 -1)\n if diff between value and reference is bigger than half of the amplitude (2^32) then it means that\n PTS looping occured. fill the gap */\n while (Math.abs(value - reference) > 4294967296) {\n value += offset;\n }\n\n return value;\n}\n\nexport default MP4Remuxer;\n","export function getSelfScope () {\n // see https://stackoverflow.com/a/11237259/589493\n if (typeof window === 'undefined') {\n /* eslint-disable-next-line no-undef */\n return self;\n } else {\n return window;\n }\n}\n","import { getSelfScope } from './get-self-scope';\n\nfunction noop (...args) {}\n\nconst fakeLogger = {\n trace: noop,\n debug: noop,\n log: noop,\n warn: noop,\n info: noop,\n error: noop\n};\n\nlet exportedLogger = fakeLogger;\n\n// let lastCallTime;\n// function formatMsgWithTimeInfo(type, msg) {\n// const now = Date.now();\n// const diff = lastCallTime ? '+' + (now - lastCallTime) : '0';\n// lastCallTime = now;\n// msg = (new Date(now)).toISOString() + ' | [' + type + '] > ' + msg + ' ( ' + diff + ' ms )';\n// return msg;\n// }\n\nfunction formatMsg (type, msg) {\n msg = '[' + type + '] > ' + msg;\n return msg;\n}\n\nconst global = getSelfScope();\n\nfunction consolePrintFn (type) {\n const func = global.console[type];\n if (func) {\n return function (...args) {\n if (args[0]) {\n args[0] = formatMsg(type, args[0]);\n }\n\n func.apply(global.console, args);\n };\n }\n return noop;\n}\n\nfunction exportLoggerFunctions (debugConfig, ...functions) {\n functions.forEach(function (type) {\n exportedLogger[type] = debugConfig[type] ? debugConfig[type].bind(debugConfig) : consolePrintFn(type);\n });\n}\n\nexport const enableLogs = function (debugConfig) {\n // check that console is available\n if ((global.console && debugConfig === true) || typeof debugConfig === 'object') {\n exportLoggerFunctions(debugConfig,\n // Remove out from list here to hard-disable a log-level\n // 'trace',\n 'debug',\n 'log',\n 'info',\n 'warn',\n 'error'\n );\n // Some browsers don't allow to use bind on console object anyway\n // fallback to default if needed\n try {\n exportedLogger.log();\n } catch (e) {\n exportedLogger = fakeLogger;\n }\n } else {\n exportedLogger = fakeLogger;\n }\n};\n\nexport const logger = exportedLogger;\n","const MPEG_TS_CLOCK_FREQ_HZ = 90000;\n\nexport function toTimescaleFromScale (value, destScale: number, srcScale: number = 1, round: boolean = false): number {\n return toTimescaleFromBase(value, destScale, 1 / srcScale);\n}\n\nexport function toTimescaleFromBase (value, destScale: number, srcBase: number = 1, round: boolean = false): number {\n const result = value * destScale * srcBase; // equivalent to `(value * scale) / (1 / base)`\n return round ? Math.round(result) : result;\n}\n\nexport function toMsFromMpegTsClock (value: number, round: boolean = false): number {\n return toTimescaleFromBase(value, 1000, 1 / MPEG_TS_CLOCK_FREQ_HZ, round);\n}\n\nexport function toMpegTsClockFromTimescale (value: number, srcScale: number = 1): number {\n return toTimescaleFromBase(value, MPEG_TS_CLOCK_FREQ_HZ, 1 / srcScale);\n}\n"],"sourceRoot":""} \ No newline at end of file diff --git a/dist/hls.light.js b/dist/hls.light.js index 6ed4ffd012d..f87f532c742 100644 --- a/dist/hls.light.js +++ b/dist/hls.light.js @@ -4409,7 +4409,8 @@ function () { }, computePTSDTS = this._initPTS === undefined, initPTS, - initDTS; + initDTS, + timescale; if (computePTSDTS) { initPTS = initDTS = Infinity; @@ -4444,8 +4445,9 @@ function () { }; if (computePTSDTS) { - // remember first PTS of this demuxing context. for audio, PTS = DTS - initPTS = initDTS = audioSamples[0].pts - audioTrack.inputTimeScale * timeOffset; + timescale = audioTrack.inputTimeScale; // remember first PTS of this demuxing context. for audio, PTS = DTS + + initPTS = initDTS = audioSamples[0].pts - Math.round(timescale * timeOffset); } } @@ -4465,10 +4467,12 @@ function () { }; if (computePTSDTS) { + timescale = videoTrack.inputTimeScale; initPTS = Math.min(initPTS, videoSamples[0].pts - inputTimeScale * timeOffset); initDTS = Math.min(initDTS, videoSamples[0].dts - inputTimeScale * timeOffset); this.observer.trigger(events["default"].INIT_PTS_FOUND, { - initPTS: initPTS + initPTS: initPTS, + timescale: timescale }); } } @@ -5150,6 +5154,31 @@ function () { return MP4Remuxer; }(); +function normalizePts(value, reference) { + var offset; + + if (reference === null) { + return value; + } + + if (reference < value) { + // - 2^33 + offset = -8589934592; + } else { + // + 2^33 + offset = 8589934592; + } + /* PTS is 33bit (from 0 to 2^33 -1) + if diff between value and reference is bigger than half of the amplitude (2^32) then it means that + PTS looping occured. fill the gap */ + + + while (Math.abs(value - reference) > 4294967296) { + value += offset; + } + + return value; +} /* harmony default export */ var mp4_remuxer = (mp4_remuxer_MP4Remuxer); // CONCATENATED MODULE: ./src/remux/passthrough-remuxer.js /** diff --git a/dist/hls.light.js.map b/dist/hls.light.js.map index 3af0c9c5e2e..b05102c5832 100644 --- a/dist/hls.light.js.map +++ b/dist/hls.light.js.map @@ -1 +1 @@ -{"version":3,"sources":["webpack://Hls/webpack/universalModuleDefinition","webpack://Hls/webpack/bootstrap","webpack://Hls/./node_modules/eventemitter3/index.js","webpack://Hls/./node_modules/url-toolkit/src/url-toolkit.js","webpack://Hls/./node_modules/webworkify-webpack/index.js","webpack://Hls/./src/crypt/aes-crypto.js","webpack://Hls/./src/crypt/fast-aes-key.js","webpack://Hls/./src/crypt/aes-decryptor.js","webpack://Hls/./src/crypt/decrypter.js","webpack://Hls/./src/demux/adts.js","webpack://Hls/./src/demux/aacdemuxer.js","webpack://Hls/./src/demux/mpegaudio.js","webpack://Hls/./src/demux/exp-golomb.js","webpack://Hls/./src/demux/sample-aes.js","webpack://Hls/./src/demux/tsdemuxer.js","webpack://Hls/./src/demux/mp3demuxer.js","webpack://Hls/./src/remux/aac-helper.js","webpack://Hls/./src/remux/mp4-generator.js","webpack://Hls/./src/utils/timescale-conversion.ts","webpack://Hls/./src/remux/mp4-remuxer.js","webpack://Hls/./src/remux/passthrough-remuxer.js","webpack://Hls/./src/demux/demuxer-inline.js","webpack://Hls/./src/demux/demuxer-worker.js","webpack://Hls/./src/demux/id3.js","webpack://Hls/./src/demux/mp4demuxer.js","webpack://Hls/./src/empty.js","webpack://Hls/./src/errors.ts","webpack://Hls/./src/events.js","webpack://Hls/./src/event-handler.ts","webpack://Hls/./src/types/loader.ts","webpack://Hls/./src/loader/level-key.ts","webpack://Hls/./src/loader/fragment.ts","webpack://Hls/./src/loader/level.js","webpack://Hls/./src/utils/attr-list.js","webpack://Hls/./src/utils/codecs.ts","webpack://Hls/./src/loader/m3u8-parser.ts","webpack://Hls/./src/loader/playlist-loader.ts","webpack://Hls/./src/loader/fragment-loader.js","webpack://Hls/./src/loader/key-loader.ts","webpack://Hls/./src/controller/fragment-tracker.js","webpack://Hls/./src/utils/binary-search.ts","webpack://Hls/./src/utils/buffer-helper.ts","webpack://Hls/./src/utils/mediasource-helper.ts","webpack://Hls/./src/observer.ts","webpack://Hls/./src/demux/demuxer.js","webpack://Hls/./src/controller/level-helper.js","webpack://Hls/./src/utils/time-ranges.ts","webpack://Hls/./src/utils/discontinuities.js","webpack://Hls/./src/controller/fragment-finders.ts","webpack://Hls/./src/controller/gap-controller.js","webpack://Hls/./src/task-loop.ts","webpack://Hls/./src/controller/base-stream-controller.js","webpack://Hls/./src/controller/stream-controller.js","webpack://Hls/./src/controller/level-controller.js","webpack://Hls/./src/utils/texttrack-utils.ts","webpack://Hls/./src/controller/id3-track-controller.js","webpack://Hls/./src/is-supported.ts","webpack://Hls/./src/utils/ewma.ts","webpack://Hls/./src/utils/ewma-bandwidth-estimator.ts","webpack://Hls/./src/controller/abr-controller.js","webpack://Hls/./src/controller/buffer-controller.ts","webpack://Hls/./src/controller/cap-level-controller.js","webpack://Hls/./src/controller/fps-controller.js","webpack://Hls/./src/utils/xhr-loader.js","webpack://Hls/./src/utils/mediakeys-helper.ts","webpack://Hls/./src/config.ts","webpack://Hls/./src/hls.ts","webpack://Hls/./src/polyfills/number-isFinite.js","webpack://Hls/./src/utils/get-self-scope.js","webpack://Hls/./src/utils/logger.js"],"names":["AESCrypto","subtle","iv","aesIV","decrypt","data","key","name","FastAESKey","expandKey","importKey","removePadding","buffer","outputBytes","byteLength","paddingBytes","DataView","getUint8","slice","AESDecryptor","rcon","subMix","Uint32Array","invSubMix","sBox","invSBox","initTable","uint8ArrayToUint32Array_","arrayBuffer","view","newArray","i","getUint32","subMix0","subMix1","subMix2","subMix3","invSubMix0","invSubMix1","invSubMix2","invSubMix3","d","x","xi","sx","x2","x4","x8","t","keyBuffer","sameKey","offset","length","keySize","Error","ksRows","ksRow","invKsRow","keySchedule","invKeySchedule","sbox","prev","networkToHostOrderSwap","word","inputArrayBuffer","removePKCS7Padding","nRounds","invSBOX","initVector","initVector0","initVector1","initVector2","initVector3","inputInt32","Int32Array","outputInt32","t0","t1","t2","t3","s0","s1","s2","s3","inputWords0","inputWords1","inputWords2","inputWords3","swapWord","destroy","undefined","global","getSelfScope","Decrypter","observer","config","logEnabled","browserCrypto","crypto","webkitSubtle","e","disableWebCrypto","isSync","enableSoftwareAES","callback","logger","log","decryptor","fastAesKey","then","aesKey","catch","err","onWebCryptoError","result","error","message","trigger","Event","ERROR","type","ErrorTypes","MEDIA_ERROR","details","ErrorDetails","FRAG_DECRYPT_ERROR","fatal","reason","getAudioConfig","audioCodec","adtsObjectType","adtsSampleingIndex","adtsExtensionSampleingIndex","adtsChanelConfig","userAgent","navigator","toLowerCase","manifestCodec","adtsSampleingRates","FRAG_PARSING_ERROR","test","Array","indexOf","samplerate","channelCount","codec","isHeaderPattern","getHeaderLength","getFullFrameLength","isHeader","probe","headerLength","frameLength","newOffset","initTrackConfig","track","getFrameDuration","parseFrameHeader","pts","frameIndex","frameDuration","stamp","appendFrame","header","aacSample","unit","subarray","dts","samples","push","sample","AACDemuxer","remuxer","resetInitSegment","initSegment","videoCodec","duration","_audioTrack","container","id","sequenceNumber","isAAC","len","inputTimeScale","resetTimeStamp","id3Data","ID3","getID3Data","ADTS","append","timeOffset","contiguous","accurateTimeOffset","timestamp","getTimeStamp","id3Samples","frame","remux","MpegAudio","BitratesMap","SamplingRateMap","SamplesCoefficients","BytesInSlot","parseHeader","samplesPerFrame","sampleRate","headerB","headerC","headerE","headerF","headerG","columnInBitrates","bitRate","columnInSampleRates","sampleCoefficient","bytesInSlot","parseInt","ExpGolomb","bytesAvailable","bitsAvailable","loadWord","position","workingBytes","Uint8Array","availableBytes","Math","min","set","skipBits","count","skipBytes","readBits","size","bits","valu","skipLZ","leadingZeroCount","skipUEG","skipEG","readUEG","clz","readEG","readBoolean","readUByte","readUShort","readUInt","skipScalingList","lastScale","nextScale","j","deltaScale","readSPS","frameCropLeftOffset","frameCropRightOffset","frameCropTopOffset","frameCropBottomOffset","profileIdc","profileCompat","levelIdc","numRefFramesInPicOrderCntCycle","picWidthInMbsMinus1","picHeightInMapUnitsMinus1","frameMbsOnlyFlag","scalingListCount","bind","chromaFormatIdc","picOrderCntType","pixelRatio","aspectRatioIdc","width","ceil","height","readSliceType","SampleAesDecrypter","decryptdata","discardEPB","decrypter","decryptBuffer","encryptedData","decryptAacSample","sampleIndex","sync","curUnit","encryptedBuffer","byteOffset","localthis","decryptedData","decryptAacSamples","getAvcEncryptedData","decodedData","encryptedDataLen","floor","Int8Array","outputPos","inputPos","getAvcDecryptedUnit","decryptAvcSample","unitIndex","decryptAvcSamples","curUnits","units","RemuxerTrackIdConfig","video","audio","id3","text","TSDemuxer","typeSupported","sampleAes","setDecryptData","method","syncOffset","_syncOffset","warn","scanwindow","createTrack","pid","dropped","pmtParsed","_pmtId","_avcTrack","_id3Track","_txtTrack","aacOverFlow","aacLastPTS","avcSample","_duration","start","stt","atf","pes","unknownPIDs","avcTrack","audioTrack","id3Track","avcId","audioId","id3Id","pmtId","avcData","pesData","audioData","parsePAT","_parsePAT","parsePMT","_parsePMT","parsePES","_parsePES","parseAVCPES","_parseAVCPES","parseAACPES","_parseAACPES","parseMPEGPES","_parseMPEGPES","parseID3PES","_parseID3PES","parsedPIDs","mpeg","mp3","avc","decryptAndRemux","videoTrack","textTrack","decryptAndRemuxAvc","_initPTS","_initDTS","mpegSupported","isSampleAes","sectionLength","tableEnd","programInfoLength","stream","frag","pesFlags","pesPrefix","pesLen","pesHdrLen","pesPts","pesDts","payloadStartOffset","newData","splice","round","dataLen","pushAccesUnit","nbSamples","isNaN","lastSample","forceKeyFrameOnDiscontinuity","sps","debug","last","_parseAVCNALu","expGolombDecoder","spsfound","createAVCSample","audFound","forEach","sliceType","payloadType","payloadSize","endOfCaptions","b","countryCode","providerCode","userStructure","userDataType","firstByte","secondByte","totalCCs","byteArray","_insertSampleInOrder","bytes","uuidStrArray","toString","userDataPayloadBytes","uuid","join","userDataBytes","userData","utf8ArrayToStr","codecarray","codecstring","h","pps","arr","pos","_getLastNalUnit","lastUnit","array","value","overflow","state","naluState","lastState","unitType","lastUnitStart","lastUnitType","tmp","EPBPositions","newLength","sourceIndex","shift","startOffset","newPTS","abs","MP3Demuxer","AAC","getSilentFrame","UINT32_MAX","pow","MP4","init","types","avc1","avcC","btrt","dinf","dref","esds","ftyp","hdlr","mdat","mdhd","mdia","mfhd","minf","moof","moov","mp4a","mvex","mvhd","pasp","sdtp","stbl","stco","stsc","stsd","stsz","stts","tfdt","tfhd","traf","trak","trun","trex","tkhd","vmhd","smhd","hasOwnProperty","charCodeAt","videoHdlr","audioHdlr","HDLR_TYPES","STTS","STSC","STCO","STSZ","VMHD","SMHD","STSD","majorBrand","avc1Brand","minorVersion","FTYP","box","DINF","payload","prototype","call","arguments","timescale","upperWordDuration","lowerWordDuration","sn","baseMediaDecodeTime","tracks","boxes","apply","concat","flags","dependsOn","isDependedOn","hasRedundancy","avcc","hSpacing","vSpacing","configlen","sampleDependencyTable","upperWordBaseMediaDecodeTime","lowerWordBaseMediaDecodeTime","arraylen","cts","isLeading","paddingValue","isNonSync","degradPrio","movie","MPEG_TS_CLOCK_FREQ_HZ","toTimescaleFromScale","destScale","srcScale","toTimescaleFromBase","srcBase","toMsFromMpegTsClock","toMpegTsClockFromTimescale","MAX_SILENT_FRAME_DURATION_90KHZ","PTS_DTS_SHIFT_TOLERANCE_90KHZ","MP4Remuxer","vendor","isSafari","match","ISGenerated","defaultTimeStamp","generateIS","nbAudioSamples","nbVideoSamples","audioTimeOffset","videoTimeOffset","audiovideoDeltaDts","max","remuxAudio","audioTrackLength","endPTS","startPTS","remuxVideo","videoData","remuxEmptyAudio","remuxID3","remuxText","FRAG_PARSED","audioSamples","videoSamples","computePTSDTS","initPTS","initDTS","Infinity","metadata","INIT_PTS_FOUND","Object","keys","FRAG_PARSING_INIT_SEGMENT","mp4SampleDuration","firstPTS","firstDTS","lastPTS","lastDTS","timeScale","inputSamples","outputSamples","ptsNormalize","_PTSNormalize","nextAvcDts","sort","a","deltadts","deltapts","PTSDTSshift","reduce","curr","delta","nbNalu","naluLen","nbUnits","sampleLen","mdatSize","MUX_ERROR","REMUX_ALLOC_ERROR","setUint32","avcSampleUnits","mp4SampleLength","compositionTimeOffset","unitData","unitDataLen","lastFrameDuration","stretchShortVideoTrack","maxBufferHole","gapTolerance","deltaToFrameEnd","nextAudioPts","data1","data2","startDTS","endDTS","hasAudio","hasVideo","nb","FRAG_PARSING_DATA","mp4timeScale","scaleFactor","inputSampleDuration","rawMPEG","mp4Sample","fillFrame","filter","maxAudioFramesDrift","nextPts","missing","newStamp","audioSample","numMissingFrames","unitLen","lastSampleDuration","end","sampleDuration","silentFrame","trace","index","FRAG_PARSING_METADATA","FRAG_PARSING_USERDATA","reference","PassThroughRemuxer","rawData","streamType","now","performance","Date","DemuxerInline","demuxer","discontinuity","trackSwitch","defaultInitPTS","startTime","endTime","FRAG_DECRYPTED","stats","tstart","tdecrypt","pushDecrypted","muxConfig","demux","MP4Demuxer","mux","DemuxerWorker","self","EventEmitter","event","emit","off","removeListener","forwardMessage","ev","postMessage","addEventListener","cmd","JSON","parse","enableLogs","on","transferable","isFooter","front","_readSize","frames","getID3Frames","isTimeStampFrame","_readTimeStamp","info","_getFrameData","String","fromCharCode","frameData","_decodeFrame","_decodePrivFrame","_decodeTextFrame","_decodeURLFrame","timeStampFrame","pts33Bit","owner","_utf8ArrayToStr","privateData","description","url","exitOnNull","decoder","getTextDecoder","decoded","decode","idx","substring","replace","c","char2","char3","out","TextDecoder","initData","parseInitSegment","audiovideo","findBox","bin2str","readUint16","val","readUint32","writeUint32","path","results","subresults","endbox","parseSegmentIndex","moovEndOffset","sidx","references","version","earliestPresentationTime","firstOffset","startByte","referencesCount","referenceIndex","referenceInfo","referenceSize","referenceType","console","subsegmentDuration","traks","trackId","hdlrType","codecBox","codecType","getStartDTS","fragment","trafs","baseTimes","map","scale","baseTime","isFinite","offsetStartDTS","upper","lower","module","exports","HlsEvents","MEDIA_ATTACHING","MEDIA_ATTACHED","MEDIA_DETACHING","MEDIA_DETACHED","BUFFER_RESET","BUFFER_CODECS","BUFFER_CREATED","BUFFER_APPENDING","BUFFER_APPENDED","BUFFER_EOS","BUFFER_FLUSHING","BUFFER_FLUSHED","MANIFEST_LOADING","MANIFEST_LOADED","MANIFEST_PARSED","LEVEL_SWITCHING","LEVEL_SWITCHED","LEVEL_LOADING","LEVEL_LOADED","LEVEL_UPDATED","LEVEL_PTS_UPDATED","LIVE_BACK_BUFFER_REACHED","AUDIO_TRACKS_UPDATED","AUDIO_TRACK_SWITCHING","AUDIO_TRACK_SWITCHED","AUDIO_TRACK_LOADING","AUDIO_TRACK_LOADED","SUBTITLE_TRACKS_UPDATED","SUBTITLE_TRACK_SWITCH","SUBTITLE_TRACK_LOADING","SUBTITLE_TRACK_LOADED","SUBTITLE_FRAG_PROCESSED","FRAG_LOADING","FRAG_LOAD_PROGRESS","FRAG_LOAD_EMERGENCY_ABORTED","FRAG_LOADED","FRAG_BUFFERED","FRAG_CHANGED","FPS_DROP","FPS_DROP_LEVEL_CAPPING","DESTROYING","KEY_LOADING","KEY_LOADED","STREAM_STATE_TRANSITION","CAN_PLAY_AFTER_SEEK","FORBIDDEN_EVENT_NAMES","EventHandler","hls","handledEvents","useGenericHandler","onEvent","events","registerListeners","onHandlerDestroying","unregisterListeners","onHandlerDestroyed","isEventHandler","onEventGeneric","eventToFunction","funcName","constructor","OTHER_ERROR","INTERNAL_EXCEPTION","PlaylistContextType","PlaylistLevelType","LevelKey","baseURI","relativeURI","_uri","baseuri","reluri","buildAbsoluteURL","alwaysNormalize","ElementaryStreamTypes","Fragment","_url","_byteRange","_decryptdata","_elementaryStreams","AUDIO","VIDEO","deltaPTS","rawProgramDateTime","programDateTime","title","tagList","cc","relurl","baseurl","urlId","level","levelkey","loader","setByteRange","previousFrag","params","split","byteRange","byteRangeEndOffset","addElementaryStream","hasElementaryStream","createInitializationVector","segmentNumber","uint8View","setDecryptDataFromLevelKey","uri","Level","baseUrl","endCC","endSN","fragments","live","needSidxRanges","startCC","startSN","startTimeOffset","targetduration","totalduration","DECIMAL_RESOLUTION_REGEX","ATTR_LIST_REGEX","AttrList","attrs","parseAttrList","attr","decimalInteger","attrName","intValue","Number","MAX_SAFE_INTEGER","hexadecimalInteger","stringValue","hexadecimalIntegerAsNumber","decimalFloatingPoint","parseFloat","enumeratedString","decimalResolution","res","exec","input","lastIndex","quote","lastIndexOf","sampleEntryCodesISO","isCodecType","typeCodes","isCodecSupportedInMp4","MediaSource","isTypeSupported","MASTER_PLAYLIST_REGEX","MASTER_PLAYLIST_MEDIA_REGEX","LEVEL_PLAYLIST_REGEX_FAST","RegExp","source","LEVEL_PLAYLIST_REGEX_SLOW","MP4_REGEX_SUFFIX","M3U8Parser","findGroup","groups","mediaGroupId","group","convertAVC1ToAVCOTI","avcdata","substr","resolve","URLToolkit","parseMasterPlaylist","string","levels","setCodecs","codecs","filtered","preferred","unknownCodecs","resolution","bitrate","NAME","CODECS","parseMasterPlaylistMedia","audioGroups","medias","TYPE","media","groupId","LANGUAGE","default","DEFAULT","autoselect","AUTOSELECT","forced","FORCED","lang","URI","groupCodec","parseLevelPlaylist","levelUrlId","currentSN","discontinuityCounter","prevFrag","firstPdtIndex","assignProgramDateTime","value1","value2","toUpperCase","decryptparams","keyAttrs","decryptmethod","decrypturi","decryptiv","startAttrs","mapAttrs","BYTERANGE","pop","averagetargetduration","every","backfillProgramDateTimes","startIndex","fragPrev","endProgramDateTime","window","PlaylistLoader","loaders","canHaveQualityLevels","AUDIO_TRACK","SUBTITLE_TRACK","mapContextToLevelType","context","SUBTITLE","MAIN","getResponseUrl","response","createInternalLoader","PLoader","pLoader","Loader","InternalLoader","getInternalLoader","resetInternalLoader","contextType","destroyInternalLoaders","onManifestLoading","load","MANIFEST","responseType","onLevelLoading","LEVEL","onAudioTrackLoading","onSubtitleTrackLoading","loaderContext","abort","maxRetry","timeout","retryDelay","maxRetryDelay","manifestLoadingMaxRetry","manifestLoadingTimeOut","manifestLoadingRetryDelay","manifestLoadingMaxRetryTimeout","levelLoadingTimeOut","levelLoadingMaxRetry","levelLoadingRetryDelay","levelLoadingMaxRetryTimeout","loaderConfig","loaderCallbacks","onSuccess","loadsuccess","onError","loaderror","onTimeout","loadtimeout","networkDetails","isSidxRequest","_handleSidxRequest","_handlePlaylistLoaded","tload","_handleManifestParsingError","_handleTrackOrLevelPlaylist","_handleMasterPlaylist","_handleNetworkError","audioTracks","subtitles","embeddedAudioFound","unshift","levelId","levelType","levelDetails","singleLevel","tparsed","sidxUrl","rangeStart","rangeEnd","sidxInfo","sidxReferences","segmentRef","segRefInfo","NETWORK_ERROR","MANIFEST_PARSING_ERROR","MANIFEST_LOAD_TIMEOUT","MANIFEST_LOAD_ERROR","LEVEL_LOAD_TIMEOUT","LEVEL_LOAD_ERROR","AUDIO_TRACK_LOAD_TIMEOUT","AUDIO_TRACK_LOAD_ERROR","errorData","canHaveLevels","FragmentLoader","loaderName","onFragLoading","FragmentILoader","fLoader","DefaultILoader","loaded","progressData","byteRangeStartOffset","fragLoadingTimeOut","fragLoadingMaxRetryTimeout","onProgress","loadprogress","FRAG_LOAD_ERROR","FRAG_LOAD_TIMEOUT","KeyLoader","decryptkey","decrypturl","onKeyLoading","fragLoadingRetryDelay","KEY_LOAD_ERROR","KEY_LOAD_TIMEOUT","FragmentState","NOT_LOADED","APPENDING","PARTIAL","OK","FragmentTracker","bufferPadding","create","timeRanges","getBufferedFrag","bufferedFrags","fragmentEntity","body","buffered","bufferedFragKey","detectEvictedFragments","elementaryStream","timeRange","fragmentTimes","time","esData","range","isTimeBuffered","removeFragment","detectPartialFragments","fragKey","getFragmentKey","getBufferedTimes","fragmentPartial","partial","getPartialFragment","timePadding","bestFragment","bestOverlap","isPartial","getState","onFragLoaded","bitrateTest","onBufferAppended","onFragBuffered","hasFragment","removeAllFragments","BinarySearch","search","list","comparisonFn","minIndex","maxIndex","currentIndex","currentElement","comparisonResult","BufferHelper","isBuffered","bufferInfo","maxHoleDuration","vbuffered","bufferedInfo","nextStart","diff","buffered2","buf2len","buf2end","bufferLen","bufferStartNext","bufferStart","bufferEnd","getBufferedPosWithinTolerance","maxFragLookUpTolerance","currentTime","getMediaSource","WebKitMediaSource","Observer","Demuxer","mp4","enableWorker","Worker","w","work","require","onwmsg","onWorkerMessage","onerror","filename","lineno","stringify","URL","revokeObjectURL","objectURL","removeEventListener","terminate","removeAllListeners","lastFrag","nextSN","ArrayBuffer","addGroupId","audioGroupIds","textGroupIds","updatePTS","fromIdx","toIdx","fragFrom","fragTo","fragToPTS","updateFragPTSDTS","maxStartPTS","drift","fragIdx","PTSKnown","mergeDetails","oldDetails","newDetails","ccOffset","PTSFrag","mapFragmentIntersection","oldFrag","newFrag","backtracked","newFragments","adjustSliding","mergeSubtitlePlaylists","oldPlaylist","newPlaylist","referenceStart","frags","intersectionFn","oldFragments","computeReloadInterval","currentPlaylist","lastRequestTime","reloadInterval","minReloadInterval","TimeRanges","r","toFixed","findFirstFragWithCC","firstFrag","currentFrag","findFragWithCC","CC","candidate","shouldAlignOnDiscontinuities","lastLevel","shouldAlign","findDiscontinuousReferenceFrag","prevDetails","curDetails","prevFrags","curFrags","prevStartFrag","adjustPts","sliding","alignStream","alignDiscontinuities","alignPDT","referenceFrag","lastDetails","hasProgramDateTime","lastPDT","newPDT","findFragmentByPDT","PDTValue","isArray","startPDT","endPDT","seg","pdtWithinToleranceTest","findFragmentByPTS","fragPrevious","fragNext","fragmentWithinToleranceTest","candidateLookupTolerance","pdtBufferEnd","STALL_MINIMUM_DURATION_MS","MAX_START_GAP_JUMP","SKIP_BUFFER_HOLE_STEP_SECONDS","SKIP_BUFFER_RANGE_START","GapController","fragmentTracker","nudgeRetry","stallReported","stalled","moved","seeking","poll","lastCurrentTime","seeked","beginSeek","stalledDuration","seekWithinTolerance","seekWithinToleranceIfNeeded","paused","ended","playbackRate","hasEnoughBuffer","noBufferGap","startJump","_trySkipBufferHole","tnow","_reportStall","bufferedWithHoles","_tryFixBufferStall","bufferedPosWithinTolerance","stalledDurationMs","targetTime","highBufferWatchdogPeriod","_tryNudgeBuffer","BUFFER_STALLED_ERROR","lastEndTime","BUFFER_SEEK_OVER_HOLE","nudgeMaxRetry","nudgeOffset","BUFFER_NUDGE_ON_STALL","TaskLoop","_boundTick","_tickTimer","_tickInterval","_tickCallCount","tick","clearNextTick","clearInterval","hasInterval","hasNextTick","setInterval","millis","clearTimeout","doTick","setTimeout","State","STOPPED","STARTING","IDLE","PAUSED","FRAG_LOADING_WAITING_RETRY","WAITING_TRACK","PARSING","PARSED","ENDED","WAITING_INIT_PTS","WAITING_LEVEL","BaseStreamController","startLoad","stopLoad","fragCurrent","_streamEnded","fragState","onMediaSeeking","mediaBuffer","tolerance","fragStartOffset","fragEndOffset","loadedmetadata","nextLoadPosition","startPosition","onMediaEnded","computeLivePosition","targetLatency","liveSyncDuration","liveSyncDurationCount","TICK_INTERVAL","StreamController","audioCodecSwap","_state","gapController","altAudio","fragLoadError","startFragRequested","startLevel","nextLoadLevel","forceStartLoad","_doTickIdle","retryDate","_checkBuffer","_checkFragmentChanged","levelLastLoaded","startFragPrefetch","levelInfo","levelBitrate","maxBufLen","maxBufferSize","maxBufferLength","maxMaxBufferLength","_fetchPayloadOrEos","fragLen","initialLiveManifestSize","_ensureFragmentAtLivePoint","_findFragment","encrypted","_loadKey","_loadFragment","maxLatency","liveMaxLatencyDuration","liveMaxLatencyDurationCount","liveSyncPosition","readyState","targetSN","fragPreviousLoad","fragmentIndexRange","fragNextLoad","lookupTolerance","curSNIdx","sameLevel","prevSnFrag","nextSnFrag","autoLevel","autoLevelEnabled","_reduceMaxBufferLength","followingBufferedFrag","fragPlayingCurrent","fragPlaying","fragPlayingLevel","immediateLevelSwitch","immediateSwitch","previouslyPaused","pause","flushMainBuffer","POSITIVE_INFINITY","immediateLevelSwitchEnd","play","nextLevelSwitch","fetchdelay","nextBufferedFrag","nextLevelId","nextLevel","fragLastKbps","endOffset","flushScope","onMediaAttached","onvseeking","onvseeked","onMediaSeeked","onvended","autoStartLoad","onMediaDetaching","onManifestParsed","aac","heaac","audioCodecSwitch","onLevelLoaded","newLevelId","curLevel","LevelHelper","onKeyLoaded","fragLoaded","currentLevel","tbuffered","pendingBuffering","appended","initSegmentData","_getAudioCodec","onFragParsingInitSegment","fragNew","trackName","ua","levelCodec","parent","content","onFragParsingData","onFragParsed","_checkAppendedParsed","onAudioTrackSwitching","onAudioTrackSwitched","videoBuffer","onBufferCreated","mediaTrack","alternate","pending","total","tfirst","mediaBuffered","fragLoadingMaxRetry","delay","levelRetry","BUFFER_FULL_ERROR","minLength","_seekToStartPos","onFragLoadEmergencyAborted","onBufferFlushed","swapAudioCodec","defaultAudioCodec","nextState","previousState","_liveSyncPosition","chromeOrFirefox","LevelController","canload","currentLevelIndex","manualLevelIndex","timer","clearTimer","_levels","levelRetryCount","loadError","loadLevel","onManifestLoaded","bitrateStart","levelSet","levelFromSet","videoCodecFound","audioCodecFound","attributes","fragmentError","SUBTITLES","_firstLevel","firstLevel","some","MANIFEST_INCOMPATIBLE_CODECS_ERROR","setLevelInternal","newLevel","levelProperties","LEVEL_SWITCH_ERROR","levelError","levelIndex","recoverLevel","errorEvent","errorDetails","redundantLevels","nextAutoLevel","trequest","audioGroupId","levelObject","_startLevel","configStartLevel","sendAddTrackEvent","videoEl","document","createEvent","initEvent","dispatchEvent","clearCurrentCues","cues","removeCue","getClosestCue","left","right","mid","ID3TrackController","getID3Track","textTracks","kind","label","addTextTrack","onLiveBackBufferReached","foundCue","removeCues","cue","onFragParsingMetadata","mode","Cue","WebKitDataCue","VTTCue","TextTrackCue","addCue","isSupported","mediaSource","sourceBuffer","SourceBuffer","WebKitSourceBuffer","sourceBufferValidAPI","appendBuffer","remove","EWMA","halfLife","alpha_","estimate_","totalWeight_","exp","weight","adjAlpha","getTotalWeight","getEstimate","zeroFactor","EwmaBandWidthEstimator","slow","fast","defaultEstimate","defaultEstimate_","minWeight_","minDelayMs_","slow_","fast_","durationMs","numBytes","numBits","durationS","bandwidthInBps","canEstimate","AbrController","lastLoadedFragLevel","_nextAutoLevel","_bwEstimator","onCheck","_abandonRulesCheck","isLive","ewmaFast","ewmaSlow","abrEwmaFastLive","abrEwmaSlowLive","abrEwmaFastVoD","abrEwmaSlowVoD","abrEwmaDefaultEstimate","minAutoLevel","aborted","requestDelay","loadRate","bw","realBitrate","expectedLen","fragLoadedDelay","bufferStarvationDelay","fragLevelNextLoadedDelay","levelNextBitrate","abrMaxWithRealBitrate","loadedBytes","loadedDuration","fragLoadingProcessingMs","bwEstimate","bitrateTestDelay","_findBestLevel","currentFragDuration","currentBw","maxAutoLevel","maxFetchDuration","bwFactor","bwUpFactor","avgDuration","adjustedbw","fetchDuration","forcedAutoLevel","bwEstimator","nextABRAutoLevel","_nextABRAutoLevel","avgbw","bestLevel","abrBandWidthFactor","abrBandWidthUpFactor","maxStarvationDelay","maxLoadingDelay","BufferController","Events","_msDuration","_levelDuration","_levelTargetDuration","_live","_objectUrl","_needsFlush","_needsEos","audioTimestampOffset","bufferCodecEventsExpected","_bufferCodecEventsTotal","segments","appending","appendError","flushBufferCounter","pendingTracks","flushRange","_onMediaSourceOpen","checkPendingTracks","_onMediaSourceClose","_onMediaSourceEnded","_onSBUpdateEnd","audioBuffer","timestampOffset","doFlush","checkEos","counter","segment","sbSet","sb","doAppending","updateMediaElementDuration","flushLiveBackBuffer","_onSBUpdateError","BUFFER_APPENDING_ERROR","onLevelPtsUpdated","updating","onMediaAttaching","ms","src","createObjectURL","endOfStream","removeAttribute","pendingTracksCount","createSourceBuffers","onBufferReset","removeSourceBuffer","onBufferCodecs","mimeType","addSourceBuffer","BUFFER_ADD_CODEC_ERROR","onBufferAppending","onBufferEos","onBufferFlushing","liveBackBufferLength","bufferTypes","targetBackBufferPosition","bufferType","removeBufferRange","onLevelUpdated","liveDurationInfinity","flushBuffer","code","BUFFER_APPEND_ERROR","appendErrorMaxRetry","sbType","bufStart","bufEnd","removeStart","removeEnd","CapLevelController","autoLevelCapping","restrictedLevels","capLevelToPlayerSize","stopCapping","onFpsDropLevelCapping","isLevelAllowed","droppedLevel","HTMLVideoElement","startCapping","onLevelsUpdated","detectPlayerSize","levelsLength","getMaxLevel","streamController","capLevelIndex","validLevels","getMaxLevelByMediaSize","mediaWidth","mediaHeight","atGreatestBandiwdth","maxLevelIndex","clientWidth","offsetWidth","contentScaleFactor","clientHeight","offsetHeight","devicePixelRatio","FPSController","isVideoPlaybackQualityAvailable","capLevelOnFPSDrop","getVideoPlaybackQuality","checkFPSInterval","fpsDroppedMonitoringPeriod","checkFPS","decodedFrames","droppedFrames","lastTime","currentPeriod","currentDropped","lastDroppedFrames","currentDecoded","lastDecodedFrames","droppedFPS","totalDroppedFrames","fpsDroppedMonitoringThreshold","videoPlaybackQuality","totalVideoFrames","droppedVideoFrames","webkitDecodedFrameCount","webkitDroppedFrameCount","XMLHttpRequest","XhrLoader","xhrSetup","requestTimeout","retryTimeout","callbacks","retry","loadInternal","xhr","open","status","setRequestHeader","onreadystatechange","readystatechange","onprogress","send","currentTarget","responseText","responseURL","statusText","lengthComputable","KeySystems","requestMediaKeySystemAccess","hlsDefaultConfig","lowBufferWatchdogPeriod","licenseXhrSetup","abrController","bufferController","capLevelController","fpsController","minAutoBitrate","emeEnabled","widevineLicenseUrl","requestMediaKeySystemAccessFunc","timelineConfig","subtitleStreamController","__USE_SUBTITLES__","SubtitleStreamController","subtitleTrackController","SubtitleTrackController","timelineController","TimelineController","audioStreamController","__USE_ALT_AUDIO__","AudioStreamController","audioTrackController","AudioTrackController","emeController","__USE_EME_DRM__","EMEController","cueHandler","Cues","enableCEA708Captions","enableWebVTT","captionsTextTrack1Label","captionsTextTrack1LanguageCode","captionsTextTrack2Label","captionsTextTrack2LanguageCode","Hls","__VERSION__","defaultConfig","userConfig","_autoLevelCapping","levelController","networkControllers","coreComponents","DefaultConfig","playListLoader","fragmentLoader","keyLoader","id3TrackController","Controller","detachMedia","component","attachMedia","loadSource","location","href","controller","recoverMediaError","manualLevel","shouldStartCapping","newCapLevelToPlayerSize","NaN","audioTrackId","subtitleTracks","subtitleTrack","subtitleTrackId","subtitleDisplay","isFiniteNumber","noop","fakeLogger","exportedLogger","formatMsg","msg","consolePrintFn","func","args","exportLoggerFunctions","debugConfig","functions"],"mappings":";AAAA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,CAAC;AACD,O;ACVA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;;;AAGA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,kDAA0C,gCAAgC;AAC1E;AACA;;AAEA;AACA;AACA;AACA,gEAAwD,kBAAkB;AAC1E;AACA,yDAAiD,cAAc;AAC/D;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,iDAAyC,iCAAiC;AAC1E,wHAAgH,mBAAmB,EAAE;AACrI;AACA;;AAEA;AACA;AACA;AACA,mCAA2B,0BAA0B,EAAE;AACvD,yCAAiC,eAAe;AAChD;AACA;AACA;;AAEA;AACA,8DAAsD,+DAA+D;;AAErH;AACA;;;AAGA;AACA;;;;;;;;;;;;;;AClFa;;AAEb;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,WAAW,SAAS;AACpB,WAAW,EAAE;AACb,WAAW,QAAQ;AACnB;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,WAAW,aAAa;AACxB,WAAW,gBAAgB;AAC3B,WAAW,SAAS;AACpB,WAAW,EAAE;AACb,WAAW,QAAQ;AACnB,aAAa;AACb;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,WAAW,aAAa;AACxB,WAAW,gBAAgB;AAC3B;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA,aAAa;AACb;AACA;AACA;AACA;AACA;AACA;;AAEA;;AAEA;AACA;AACA;;AAEA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,aAAa,MAAM;AACnB;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA,yDAAyD,OAAO;AAChE;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,aAAa,OAAO;AACpB;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,aAAa,QAAQ;AACrB;AACA;AACA;AACA;;AAEA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA,yCAAyC,SAAS;AAClD;AACA;;AAEA;AACA,GAAG;AACH;AACA;;AAEA,eAAe,YAAY;AAC3B;;AAEA;AACA,2DAA2D;AAC3D,+DAA+D;AAC/D,mEAAmE;AACnE,uEAAuE;AACvE;AACA,0DAA0D,SAAS;AACnE;AACA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,WAAW,SAAS;AACpB,WAAW,EAAE;AACb,aAAa,aAAa;AAC1B;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,WAAW,SAAS;AACpB,WAAW,EAAE;AACb,aAAa,aAAa;AAC1B;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,WAAW,SAAS;AACpB,WAAW,EAAE;AACb,WAAW,QAAQ;AACnB,aAAa,aAAa;AAC1B;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;;AAEA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,GAAG;AACH,2DAA2D,YAAY;AACvE;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,aAAa,aAAa;AAC1B;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,GAAG;AACH;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,IAAI,IAA6B;AACjC;AACA;;;;;;;;;;;;;AC/UA;;AAEA;AACA,iB;AACA;;AAEA,oFAAoF;AACpF;AACA;AACA;;AAEA,oBAAoB;AACpB;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,sBAAsB;AACtB;AACA;AACA;AACA;AACA,wBAAwB;AACxB;AACA;AACA;AACA;AACA;AACA,WAAW;AACX;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,KAAK;AACL;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,KAAK;AACL;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,sFAAsF;AACtF;AACA,KAAK;AACL;AACA;AACA;AACA;;AAEA;AACA,KAAK,IAAyD;AAC9D;AACA,OAAO,EAK6B;AACpC,CAAC;AACD;;;;;;;;;;;;;AClKA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;;AAEA;AACA,mDAAmD,cAAc;;AAEjE;AACA;AACA;AACA;AACA;AACA;AACA;AACA,eAAe;AACf;AACA;;AAEA;AACA;AACA,0DAA0D,cAAc;AACxE;;AAEA;AACA;AACA;AACA,qCAAqC,0BAA0B,EAAE;AACjE,2CAA2C,eAAe;AAC1D;AACA;AACA;;AAEA;AACA,8DAA8D,+DAA+D;;AAE7H;AACA;;AAEA;AACA,kDAAkD,oBAAoB,WAAW;;AAEjF;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA,6CAA6C;AAC7C;;AAEA;AACA,uBAAuB;AACvB;;AAEA;AACA;AACA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA,0BAA0B,mBAAmB;AAC7C;AACA;AACA;AACA;;AAEA;AACA;AACA,iBAAiB,iBAAiB;AAClC,mBAAmB,4BAA4B;AAC/C;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA;AACA,GAAG;AACH;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA,mBAAmB,mBAAmB;AACtC;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,qBAAqB,2BAA2B;AAChD;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,UAAU,qBAAmB;AAC7B;;AAEA,uCAAuC,kCAAkC;;AAEzE;;AAEA,oDAAoD,sBAAsB;AAC1E;AACA;AACA;AACA;AACA;AACA,qFAAqF,sCAAsC,EAAE;AAC7H,sIAAsI,+CAA+C,yEAAyE,gBAAgB,EAAE;AAChR,GAAG;;AAEH,iHAAiH,4CAA4C,sEAAsE,gBAAgB,SAAS;;AAE5P,qCAAqC,0BAA0B;AAC/D,qBAAqB;;AAErB;;AAEA;AACA;AACA;;AAEA;AACA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;ICzMqBA,S;;;AACnB,qBAAaC,MAAb,EAAqBC,EAArB,EAAyB;AACvB,SAAKD,MAAL,GAAcA,MAAd;AACA,SAAKE,KAAL,GAAaD,EAAb;AACD;;;;SAEDE,O,GAAA,iBAASC,IAAT,EAAeC,GAAf,EAAoB;AAClB,WAAO,KAAKL,MAAL,CAAYG,OAAZ,CAAoB;AAAEG,UAAI,EAAE,SAAR;AAAmBL,QAAE,EAAE,KAAKC;AAA5B,KAApB,EAAyDG,GAAzD,EAA8DD,IAA9D,CAAP;AACD,G;;;;;;;ICRGG,U;;;AACJ,sBAAaP,MAAb,EAAqBK,GAArB,EAA0B;AACxB,SAAKL,MAAL,GAAcA,MAAd;AACA,SAAKK,GAAL,GAAWA,GAAX;AACD;;;;SAEDG,S,GAAA,qBAAa;AACX,WAAO,KAAKR,MAAL,CAAYS,SAAZ,CAAsB,KAAtB,EAA6B,KAAKJ,GAAlC,EAAuC;AAAEC,UAAI,EAAE;AAAR,KAAvC,EAA4D,KAA5D,EAAmE,CAAC,SAAD,EAAY,SAAZ,CAAnE,CAAP;AACD,G;;;;;AAGYC,2DAAf,E;;ACXA;AACO,SAASG,aAAT,CAAwBC,MAAxB,EAAgC;AACrC,MAAMC,WAAW,GAAGD,MAAM,CAACE,UAA3B;AACA,MAAMC,YAAY,GAAGF,WAAW,IAAK,IAAIG,QAAJ,CAAaJ,MAAb,CAAD,CAAuBK,QAAvB,CAAgCJ,WAAW,GAAG,CAA9C,CAApC;;AACA,MAAIE,YAAJ,EAAkB;AAChB,WAAOH,MAAM,CAACM,KAAP,CAAa,CAAb,EAAgBL,WAAW,GAAGE,YAA9B,CAAP;AACD,GAFD,MAEO;AACL,WAAOH,MAAP;AACD;AACF;;IAEKO,Y;;;AACJ,0BAAe;AACb;AACA,SAAKC,IAAL,GAAY,CAAC,GAAD,EAAM,GAAN,EAAW,GAAX,EAAgB,GAAhB,EAAqB,GAArB,EAA0B,IAA1B,EAAgC,IAAhC,EAAsC,IAAtC,EAA4C,IAA5C,EAAkD,IAAlD,EAAwD,IAAxD,CAAZ;AACA,SAAKC,MAAL,GAAc,CAAC,IAAIC,WAAJ,CAAgB,GAAhB,CAAD,EAAuB,IAAIA,WAAJ,CAAgB,GAAhB,CAAvB,EAA6C,IAAIA,WAAJ,CAAgB,GAAhB,CAA7C,EAAmE,IAAIA,WAAJ,CAAgB,GAAhB,CAAnE,CAAd;AACA,SAAKC,SAAL,GAAiB,CAAC,IAAID,WAAJ,CAAgB,GAAhB,CAAD,EAAuB,IAAIA,WAAJ,CAAgB,GAAhB,CAAvB,EAA6C,IAAIA,WAAJ,CAAgB,GAAhB,CAA7C,EAAmE,IAAIA,WAAJ,CAAgB,GAAhB,CAAnE,CAAjB;AACA,SAAKE,IAAL,GAAY,IAAIF,WAAJ,CAAgB,GAAhB,CAAZ;AACA,SAAKG,OAAL,GAAe,IAAIH,WAAJ,CAAgB,GAAhB,CAAf,CANa,CAQb;;AACA,SAAKhB,GAAL,GAAW,IAAIgB,WAAJ,CAAgB,CAAhB,CAAX;AAEA,SAAKI,SAAL;AACD,G,CAED;;;;;SACAC,wB,GAAA,kCAA0BC,WAA1B,EAAuC;AACrC,QAAIC,IAAI,GAAG,IAAIb,QAAJ,CAAaY,WAAb,CAAX;AACA,QAAIE,QAAQ,GAAG,IAAIR,WAAJ,CAAgB,CAAhB,CAAf;;AACA,SAAK,IAAIS,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG,CAApB,EAAuBA,CAAC,EAAxB,EAA4B;AAC1BD,cAAQ,CAACC,CAAD,CAAR,GAAcF,IAAI,CAACG,SAAL,CAAeD,CAAC,GAAG,CAAnB,CAAd;AACD;;AAED,WAAOD,QAAP;AACD,G;;SAEDJ,S,GAAA,qBAAa;AACX,QAAIF,IAAI,GAAG,KAAKA,IAAhB;AACA,QAAIC,OAAO,GAAG,KAAKA,OAAnB;AACA,QAAIJ,MAAM,GAAG,KAAKA,MAAlB;AACA,QAAIY,OAAO,GAAGZ,MAAM,CAAC,CAAD,CAApB;AACA,QAAIa,OAAO,GAAGb,MAAM,CAAC,CAAD,CAApB;AACA,QAAIc,OAAO,GAAGd,MAAM,CAAC,CAAD,CAApB;AACA,QAAIe,OAAO,GAAGf,MAAM,CAAC,CAAD,CAApB;AACA,QAAIE,SAAS,GAAG,KAAKA,SAArB;AACA,QAAIc,UAAU,GAAGd,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIe,UAAU,GAAGf,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIgB,UAAU,GAAGhB,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIiB,UAAU,GAAGjB,SAAS,CAAC,CAAD,CAA1B;AAEA,QAAIkB,CAAC,GAAG,IAAInB,WAAJ,CAAgB,GAAhB,CAAR;AACA,QAAIoB,CAAC,GAAG,CAAR;AACA,QAAIC,EAAE,GAAG,CAAT;AACA,QAAIZ,CAAC,GAAG,CAAR;;AACA,SAAKA,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG,GAAhB,EAAqBA,CAAC,EAAtB,EAA0B;AACxB,UAAIA,CAAC,GAAG,GAAR,EAAa;AACXU,SAAC,CAACV,CAAD,CAAD,GAAOA,CAAC,IAAI,CAAZ;AACD,OAFD,MAEO;AACLU,SAAC,CAACV,CAAD,CAAD,GAAQA,CAAC,IAAI,CAAN,GAAW,KAAlB;AACD;AACF;;AAED,SAAKA,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG,GAAhB,EAAqBA,CAAC,EAAtB,EAA0B;AACxB,UAAIa,EAAE,GAAGD,EAAE,GAAIA,EAAE,IAAI,CAAZ,GAAkBA,EAAE,IAAI,CAAxB,GAA8BA,EAAE,IAAI,CAApC,GAA0CA,EAAE,IAAI,CAAzD;AACAC,QAAE,GAAIA,EAAE,KAAK,CAAR,GAAcA,EAAE,GAAG,IAAnB,GAA2B,IAAhC;AACApB,UAAI,CAACkB,CAAD,CAAJ,GAAUE,EAAV;AACAnB,aAAO,CAACmB,EAAD,CAAP,GAAcF,CAAd,CAJwB,CAMxB;;AACA,UAAIG,EAAE,GAAGJ,CAAC,CAACC,CAAD,CAAV;AACA,UAAII,EAAE,GAAGL,CAAC,CAACI,EAAD,CAAV;AACA,UAAIE,EAAE,GAAGN,CAAC,CAACK,EAAD,CAAV,CATwB,CAWxB;;AACA,UAAIE,CAAC,GAAIP,CAAC,CAACG,EAAD,CAAD,GAAQ,KAAT,GAAmBA,EAAE,GAAG,SAAhC;AACAX,aAAO,CAACS,CAAD,CAAP,GAAcM,CAAC,IAAI,EAAN,GAAaA,CAAC,KAAK,CAAhC;AACAd,aAAO,CAACQ,CAAD,CAAP,GAAcM,CAAC,IAAI,EAAN,GAAaA,CAAC,KAAK,EAAhC;AACAb,aAAO,CAACO,CAAD,CAAP,GAAcM,CAAC,IAAI,CAAN,GAAYA,CAAC,KAAK,EAA/B;AACAZ,aAAO,CAACM,CAAD,CAAP,GAAaM,CAAb,CAhBwB,CAkBxB;;AACAA,OAAC,GAAID,EAAE,GAAG,SAAN,GAAoBD,EAAE,GAAG,OAAzB,GAAqCD,EAAE,GAAG,KAA1C,GAAoDH,CAAC,GAAG,SAA5D;AACAL,gBAAU,CAACO,EAAD,CAAV,GAAkBI,CAAC,IAAI,EAAN,GAAaA,CAAC,KAAK,CAApC;AACAV,gBAAU,CAACM,EAAD,CAAV,GAAkBI,CAAC,IAAI,EAAN,GAAaA,CAAC,KAAK,EAApC;AACAT,gBAAU,CAACK,EAAD,CAAV,GAAkBI,CAAC,IAAI,CAAN,GAAYA,CAAC,KAAK,EAAnC;AACAR,gBAAU,CAACI,EAAD,CAAV,GAAiBI,CAAjB,CAvBwB,CAyBxB;;AACA,UAAI,CAACN,CAAL,EAAQ;AACNA,SAAC,GAAGC,EAAE,GAAG,CAAT;AACD,OAFD,MAEO;AACLD,SAAC,GAAGG,EAAE,GAAGJ,CAAC,CAACA,CAAC,CAACA,CAAC,CAACM,EAAE,GAAGF,EAAN,CAAF,CAAF,CAAV;AACAF,UAAE,IAAIF,CAAC,CAACA,CAAC,CAACE,EAAD,CAAF,CAAP;AACD;AACF;AACF,G;;SAEDlC,S,GAAA,mBAAWwC,SAAX,EAAsB;AACpB;AACA,QAAI3C,GAAG,GAAG,KAAKqB,wBAAL,CAA8BsB,SAA9B,CAAV;AACA,QAAIC,OAAO,GAAG,IAAd;AACA,QAAIC,MAAM,GAAG,CAAb;;AAEA,WAAOA,MAAM,GAAG7C,GAAG,CAAC8C,MAAb,IAAuBF,OAA9B,EAAuC;AACrCA,aAAO,GAAI5C,GAAG,CAAC6C,MAAD,CAAH,KAAgB,KAAK7C,GAAL,CAAS6C,MAAT,CAA3B;AACAA,YAAM;AACP;;AAED,QAAID,OAAJ,EAAa;AACX;AACD;;AAED,SAAK5C,GAAL,GAAWA,GAAX;AACA,QAAI+C,OAAO,GAAG,KAAKA,OAAL,GAAe/C,GAAG,CAAC8C,MAAjC;;AAEA,QAAIC,OAAO,KAAK,CAAZ,IAAiBA,OAAO,KAAK,CAA7B,IAAkCA,OAAO,KAAK,CAAlD,EAAqD;AACnD,YAAM,IAAIC,KAAJ,CAAU,0BAA0BD,OAApC,CAAN;AACD;;AAED,QAAIE,MAAM,GAAG,KAAKA,MAAL,GAAc,CAACF,OAAO,GAAG,CAAV,GAAc,CAAf,IAAoB,CAA/C;AACA,QAAIG,KAAJ;AACA,QAAIC,QAAJ;AAEA,QAAIC,WAAW,GAAG,KAAKA,WAAL,GAAmB,IAAIpC,WAAJ,CAAgBiC,MAAhB,CAArC;AACA,QAAII,cAAc,GAAG,KAAKA,cAAL,GAAsB,IAAIrC,WAAJ,CAAgBiC,MAAhB,CAA3C;AACA,QAAIK,IAAI,GAAG,KAAKpC,IAAhB;AACA,QAAIJ,IAAI,GAAG,KAAKA,IAAhB;AAEA,QAAIG,SAAS,GAAG,KAAKA,SAArB;AACA,QAAIc,UAAU,GAAGd,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIe,UAAU,GAAGf,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIgB,UAAU,GAAGhB,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIiB,UAAU,GAAGjB,SAAS,CAAC,CAAD,CAA1B;AAEA,QAAIsC,IAAJ;AACA,QAAIb,CAAJ;;AAEA,SAAKQ,KAAK,GAAG,CAAb,EAAgBA,KAAK,GAAGD,MAAxB,EAAgCC,KAAK,EAArC,EAAyC;AACvC,UAAIA,KAAK,GAAGH,OAAZ,EAAqB;AACnBQ,YAAI,GAAGH,WAAW,CAACF,KAAD,CAAX,GAAqBlD,GAAG,CAACkD,KAAD,CAA/B;AACA;AACD;;AACDR,OAAC,GAAGa,IAAJ;;AAEA,UAAIL,KAAK,GAAGH,OAAR,KAAoB,CAAxB,EAA2B;AACzB;AACAL,SAAC,GAAIA,CAAC,IAAI,CAAN,GAAYA,CAAC,KAAK,EAAtB,CAFyB,CAIzB;;AACAA,SAAC,GAAIY,IAAI,CAACZ,CAAC,KAAK,EAAP,CAAJ,IAAkB,EAAnB,GAA0BY,IAAI,CAAEZ,CAAC,KAAK,EAAP,GAAa,IAAd,CAAJ,IAA2B,EAArD,GAA4DY,IAAI,CAAEZ,CAAC,KAAK,CAAP,GAAY,IAAb,CAAJ,IAA0B,CAAtF,GAA2FY,IAAI,CAACZ,CAAC,GAAG,IAAL,CAAnG,CALyB,CAOzB;;AACAA,SAAC,IAAI5B,IAAI,CAAEoC,KAAK,GAAGH,OAAT,GAAoB,CAArB,CAAJ,IAA+B,EAApC;AACD,OATD,MASO,IAAIA,OAAO,GAAG,CAAV,IAAeG,KAAK,GAAGH,OAAR,KAAoB,CAAvC,EAA0C;AAC/C;AACAL,SAAC,GAAIY,IAAI,CAACZ,CAAC,KAAK,EAAP,CAAJ,IAAkB,EAAnB,GAA0BY,IAAI,CAAEZ,CAAC,KAAK,EAAP,GAAa,IAAd,CAAJ,IAA2B,EAArD,GAA4DY,IAAI,CAAEZ,CAAC,KAAK,CAAP,GAAY,IAAb,CAAJ,IAA0B,CAAtF,GAA2FY,IAAI,CAACZ,CAAC,GAAG,IAAL,CAAnG;AACD;;AAEDU,iBAAW,CAACF,KAAD,CAAX,GAAqBK,IAAI,GAAG,CAACH,WAAW,CAACF,KAAK,GAAGH,OAAT,CAAX,GAA+BL,CAAhC,MAAuC,CAAnE;AACD;;AAED,SAAKS,QAAQ,GAAG,CAAhB,EAAmBA,QAAQ,GAAGF,MAA9B,EAAsCE,QAAQ,EAA9C,EAAkD;AAChDD,WAAK,GAAGD,MAAM,GAAGE,QAAjB;;AACA,UAAIA,QAAQ,GAAG,CAAf,EAAkB;AAChBT,SAAC,GAAGU,WAAW,CAACF,KAAD,CAAf;AACD,OAFD,MAEO;AACLR,SAAC,GAAGU,WAAW,CAACF,KAAK,GAAG,CAAT,CAAf;AACD;;AAED,UAAIC,QAAQ,GAAG,CAAX,IAAgBD,KAAK,IAAI,CAA7B,EAAgC;AAC9BG,sBAAc,CAACF,QAAD,CAAd,GAA2BT,CAA3B;AACD,OAFD,MAEO;AACLW,sBAAc,CAACF,QAAD,CAAd,GAA2BpB,UAAU,CAACuB,IAAI,CAACZ,CAAC,KAAK,EAAP,CAAL,CAAV,GAA6BV,UAAU,CAACsB,IAAI,CAAEZ,CAAC,KAAK,EAAP,GAAa,IAAd,CAAL,CAAvC,GAAmET,UAAU,CAACqB,IAAI,CAAEZ,CAAC,KAAK,CAAP,GAAY,IAAb,CAAL,CAA7E,GAAwGR,UAAU,CAACoB,IAAI,CAACZ,CAAC,GAAG,IAAL,CAAL,CAA7I;AACD;;AAEDW,oBAAc,CAACF,QAAD,CAAd,GAA2BE,cAAc,CAACF,QAAD,CAAd,KAA6B,CAAxD;AACD;AACF,G,CAED;;;SACAK,sB,GAAA,gCAAwBC,IAAxB,EAA8B;AAC5B,WAAQA,IAAI,IAAI,EAAT,GAAgB,CAACA,IAAI,GAAG,MAAR,KAAmB,CAAnC,GAAyC,CAACA,IAAI,GAAG,QAAR,KAAqB,CAA9D,GAAoEA,IAAI,KAAK,EAApF;AACD,G;;SAED3D,O,GAAA,iBAAS4D,gBAAT,EAA2Bb,MAA3B,EAAmChD,KAAnC,EAA0C8D,kBAA1C,EAA8D;AAC5D,QAAIC,OAAO,GAAG,KAAKb,OAAL,GAAe,CAA7B;AACA,QAAIM,cAAc,GAAG,KAAKA,cAA1B;AACA,QAAIQ,OAAO,GAAG,KAAK1C,OAAnB;AAEA,QAAIF,SAAS,GAAG,KAAKA,SAArB;AACA,QAAIc,UAAU,GAAGd,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIe,UAAU,GAAGf,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIgB,UAAU,GAAGhB,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIiB,UAAU,GAAGjB,SAAS,CAAC,CAAD,CAA1B;AAEA,QAAI6C,UAAU,GAAG,KAAKzC,wBAAL,CAA8BxB,KAA9B,CAAjB;AACA,QAAIkE,WAAW,GAAGD,UAAU,CAAC,CAAD,CAA5B;AACA,QAAIE,WAAW,GAAGF,UAAU,CAAC,CAAD,CAA5B;AACA,QAAIG,WAAW,GAAGH,UAAU,CAAC,CAAD,CAA5B;AACA,QAAII,WAAW,GAAGJ,UAAU,CAAC,CAAD,CAA5B;AAEA,QAAIK,UAAU,GAAG,IAAIC,UAAJ,CAAeV,gBAAf,CAAjB;AACA,QAAIW,WAAW,GAAG,IAAID,UAAJ,CAAeD,UAAU,CAACrB,MAA1B,CAAlB;AAEA,QAAIwB,EAAJ,EAAQC,EAAR,EAAYC,EAAZ,EAAgBC,EAAhB;AACA,QAAIC,EAAJ,EAAQC,EAAR,EAAYC,EAAZ,EAAgBC,EAAhB;AACA,QAAIC,WAAJ,EAAiBC,WAAjB,EAA8BC,WAA9B,EAA2CC,WAA3C;AAEA,QAAI/B,KAAJ,EAAWzB,CAAX;AACA,QAAIyD,QAAQ,GAAG,KAAK1B,sBAApB;;AAEA,WAAOX,MAAM,GAAGsB,UAAU,CAACrB,MAA3B,EAAmC;AACjCgC,iBAAW,GAAGI,QAAQ,CAACf,UAAU,CAACtB,MAAD,CAAX,CAAtB;AACAkC,iBAAW,GAAGG,QAAQ,CAACf,UAAU,CAACtB,MAAM,GAAG,CAAV,CAAX,CAAtB;AACAmC,iBAAW,GAAGE,QAAQ,CAACf,UAAU,CAACtB,MAAM,GAAG,CAAV,CAAX,CAAtB;AACAoC,iBAAW,GAAGC,QAAQ,CAACf,UAAU,CAACtB,MAAM,GAAG,CAAV,CAAX,CAAtB;AAEA6B,QAAE,GAAGI,WAAW,GAAGzB,cAAc,CAAC,CAAD,CAAjC;AACAsB,QAAE,GAAGM,WAAW,GAAG5B,cAAc,CAAC,CAAD,CAAjC;AACAuB,QAAE,GAAGI,WAAW,GAAG3B,cAAc,CAAC,CAAD,CAAjC;AACAwB,QAAE,GAAGE,WAAW,GAAG1B,cAAc,CAAC,CAAD,CAAjC;AAEAH,WAAK,GAAG,CAAR,CAXiC,CAajC;;AACA,WAAKzB,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGmC,OAAhB,EAAyBnC,CAAC,EAA1B,EAA8B;AAC5B6C,UAAE,GAAGvC,UAAU,CAAC2C,EAAE,KAAK,EAAR,CAAV,GAAwB1C,UAAU,CAAE2C,EAAE,IAAI,EAAP,GAAa,IAAd,CAAlC,GAAwD1C,UAAU,CAAE2C,EAAE,IAAI,CAAP,GAAY,IAAb,CAAlE,GAAuF1C,UAAU,CAAC2C,EAAE,GAAG,IAAN,CAAjG,GAA+GxB,cAAc,CAACH,KAAD,CAAlI;AACAqB,UAAE,GAAGxC,UAAU,CAAC4C,EAAE,KAAK,EAAR,CAAV,GAAwB3C,UAAU,CAAE4C,EAAE,IAAI,EAAP,GAAa,IAAd,CAAlC,GAAwD3C,UAAU,CAAE4C,EAAE,IAAI,CAAP,GAAY,IAAb,CAAlE,GAAuF3C,UAAU,CAACwC,EAAE,GAAG,IAAN,CAAjG,GAA+GrB,cAAc,CAACH,KAAK,GAAG,CAAT,CAAlI;AACAsB,UAAE,GAAGzC,UAAU,CAAC6C,EAAE,KAAK,EAAR,CAAV,GAAwB5C,UAAU,CAAE6C,EAAE,IAAI,EAAP,GAAa,IAAd,CAAlC,GAAwD5C,UAAU,CAAEyC,EAAE,IAAI,CAAP,GAAY,IAAb,CAAlE,GAAuFxC,UAAU,CAACyC,EAAE,GAAG,IAAN,CAAjG,GAA+GtB,cAAc,CAACH,KAAK,GAAG,CAAT,CAAlI;AACAuB,UAAE,GAAG1C,UAAU,CAAC8C,EAAE,KAAK,EAAR,CAAV,GAAwB7C,UAAU,CAAE0C,EAAE,IAAI,EAAP,GAAa,IAAd,CAAlC,GAAwDzC,UAAU,CAAE0C,EAAE,IAAI,CAAP,GAAY,IAAb,CAAlE,GAAuFzC,UAAU,CAAC0C,EAAE,GAAG,IAAN,CAAjG,GAA+GvB,cAAc,CAACH,KAAK,GAAG,CAAT,CAAlI,CAJ4B,CAK5B;;AACAwB,UAAE,GAAGJ,EAAL;AACAK,UAAE,GAAGJ,EAAL;AACAK,UAAE,GAAGJ,EAAL;AACAK,UAAE,GAAGJ,EAAL;AAEAvB,aAAK,GAAGA,KAAK,GAAG,CAAhB;AACD,OA1BgC,CA4BjC;;;AACAoB,QAAE,GAAKT,OAAO,CAACa,EAAE,KAAK,EAAR,CAAP,IAAsB,EAAvB,GAA8Bb,OAAO,CAAEc,EAAE,IAAI,EAAP,GAAa,IAAd,CAAP,IAA8B,EAA5D,GAAmEd,OAAO,CAAEe,EAAE,IAAI,CAAP,GAAY,IAAb,CAAP,IAA6B,CAAhG,GAAqGf,OAAO,CAACgB,EAAE,GAAG,IAAN,CAA7G,GAA4HxB,cAAc,CAACH,KAAD,CAA/I;AACAqB,QAAE,GAAKV,OAAO,CAACc,EAAE,KAAK,EAAR,CAAP,IAAsB,EAAvB,GAA8Bd,OAAO,CAAEe,EAAE,IAAI,EAAP,GAAa,IAAd,CAAP,IAA8B,EAA5D,GAAmEf,OAAO,CAAEgB,EAAE,IAAI,CAAP,GAAY,IAAb,CAAP,IAA6B,CAAhG,GAAqGhB,OAAO,CAACa,EAAE,GAAG,IAAN,CAA7G,GAA4HrB,cAAc,CAACH,KAAK,GAAG,CAAT,CAA/I;AACAsB,QAAE,GAAKX,OAAO,CAACe,EAAE,KAAK,EAAR,CAAP,IAAsB,EAAvB,GAA8Bf,OAAO,CAAEgB,EAAE,IAAI,EAAP,GAAa,IAAd,CAAP,IAA8B,EAA5D,GAAmEhB,OAAO,CAAEa,EAAE,IAAI,CAAP,GAAY,IAAb,CAAP,IAA6B,CAAhG,GAAqGb,OAAO,CAACc,EAAE,GAAG,IAAN,CAA7G,GAA4HtB,cAAc,CAACH,KAAK,GAAG,CAAT,CAA/I;AACAuB,QAAE,GAAKZ,OAAO,CAACgB,EAAE,KAAK,EAAR,CAAP,IAAsB,EAAvB,GAA8BhB,OAAO,CAAEa,EAAE,IAAI,EAAP,GAAa,IAAd,CAAP,IAA8B,EAA5D,GAAmEb,OAAO,CAAEc,EAAE,IAAI,CAAP,GAAY,IAAb,CAAP,IAA6B,CAAhG,GAAqGd,OAAO,CAACe,EAAE,GAAG,IAAN,CAA7G,GAA4HvB,cAAc,CAACH,KAAK,GAAG,CAAT,CAA/I;AACAA,WAAK,GAAGA,KAAK,GAAG,CAAhB,CAjCiC,CAmCjC;;AACAmB,iBAAW,CAACxB,MAAD,CAAX,GAAsBqC,QAAQ,CAACZ,EAAE,GAAGP,WAAN,CAA9B;AACAM,iBAAW,CAACxB,MAAM,GAAG,CAAV,CAAX,GAA0BqC,QAAQ,CAACT,EAAE,GAAGT,WAAN,CAAlC;AACAK,iBAAW,CAACxB,MAAM,GAAG,CAAV,CAAX,GAA0BqC,QAAQ,CAACV,EAAE,GAAGP,WAAN,CAAlC;AACAI,iBAAW,CAACxB,MAAM,GAAG,CAAV,CAAX,GAA0BqC,QAAQ,CAACX,EAAE,GAAGL,WAAN,CAAlC,CAvCiC,CAyCjC;;AACAH,iBAAW,GAAGe,WAAd;AACAd,iBAAW,GAAGe,WAAd;AACAd,iBAAW,GAAGe,WAAd;AACAd,iBAAW,GAAGe,WAAd;AAEApC,YAAM,GAAGA,MAAM,GAAG,CAAlB;AACD;;AAED,WAAOc,kBAAkB,GAAGtD,aAAa,CAACgE,WAAW,CAAC/D,MAAb,CAAhB,GAAuC+D,WAAW,CAAC/D,MAA5E;AACD,G;;SAED6E,O,GAAA,mBAAW;AACT,SAAKnF,GAAL,GAAWoF,SAAX;AACA,SAAKrC,OAAL,GAAeqC,SAAf;AACA,SAAKnC,MAAL,GAAcmC,SAAd;AAEA,SAAKlE,IAAL,GAAYkE,SAAZ;AACA,SAAKjE,OAAL,GAAeiE,SAAf;AACA,SAAKrE,MAAL,GAAcqE,SAAd;AACA,SAAKnE,SAAL,GAAiBmE,SAAjB;AACA,SAAKhC,WAAL,GAAmBgC,SAAnB;AACA,SAAK/B,cAAL,GAAsB+B,SAAtB;AAEA,SAAKtE,IAAL,GAAYsE,SAAZ;AACD,G;;;;;AAGYvE,8DAAf,E;;;;;;;;ACzRA;AACA;AACA;AAEA;AACA;AAEA;CAIA;;AACA,IAAMwE,MAAM,GAAGC,sCAAY,EAA3B,C,CAA+B;;IAEzBC,mB;;;AACJ,qBAAaC,QAAb,EAAuBC,MAAvB,SAAmE;AAAA,kCAAJ,EAAI;AAAA,qCAAlC9B,kBAAkC;AAAA,QAAlCA,kBAAkC,sCAAb,IAAa;;AACjE,SAAK+B,UAAL,GAAkB,IAAlB;AACA,SAAKF,QAAL,GAAgBA,QAAhB;AACA,SAAKC,MAAL,GAAcA,MAAd;AACA,SAAK9B,kBAAL,GAA0BA,kBAA1B,CAJiE,CAKjE;;AACA,QAAIA,kBAAJ,EAAwB;AACtB,UAAI;AACF,YAAMgC,aAAa,GAAGN,MAAM,CAACO,MAA7B;;AACA,YAAID,aAAJ,EAAmB;AACjB,eAAKhG,MAAL,GAAcgG,aAAa,CAAChG,MAAd,IAAwBgG,aAAa,CAACE,YAApD;AACD;AACF,OALD,CAKE,OAAOC,CAAP,EAAU,CAAE;AACf;;AACD,SAAKC,gBAAL,GAAwB,CAAC,KAAKpG,MAA9B;AACD;;;;SAEDqG,M,GAAA,kBAAU;AACR,WAAQ,KAAKD,gBAAL,IAAyB,KAAKN,MAAL,CAAYQ,iBAA7C;AACD,G;;SAEDnG,O,GAAA,iBAASC,IAAT,EAAeC,GAAf,EAAoBJ,EAApB,EAAwBsG,QAAxB,EAAkC;AAAA;;AAChC,QAAI,KAAKH,gBAAL,IAAyB,KAAKN,MAAL,CAAYQ,iBAAzC,EAA4D;AAC1D,UAAI,KAAKP,UAAT,EAAqB;AACnBS,wBAAM,CAACC,GAAP,CAAW,gBAAX;AACA,aAAKV,UAAL,GAAkB,KAAlB;AACD;;AACD,UAAIW,SAAS,GAAG,KAAKA,SAArB;;AACA,UAAI,CAACA,SAAL,EAAgB;AACd,aAAKA,SAAL,GAAiBA,SAAS,GAAG,IAAIxF,aAAJ,EAA7B;AACD;;AAEDwF,eAAS,CAAClG,SAAV,CAAoBH,GAApB;AACAkG,cAAQ,CAACG,SAAS,CAACvG,OAAV,CAAkBC,IAAlB,EAAwB,CAAxB,EAA2BH,EAA3B,EAA+B,KAAK+D,kBAApC,CAAD,CAAR;AACD,KAZD,MAYO;AACL,UAAI,KAAK+B,UAAT,EAAqB;AACnBS,wBAAM,CAACC,GAAP,CAAW,uBAAX;AACA,aAAKV,UAAL,GAAkB,KAAlB;AACD;;AACD,UAAM/F,MAAM,GAAG,KAAKA,MAApB;;AACA,UAAI,KAAKK,GAAL,KAAaA,GAAjB,EAAsB;AACpB,aAAKA,GAAL,GAAWA,GAAX;AACA,aAAKsG,UAAL,GAAkB,IAAIpG,YAAJ,CAAeP,MAAf,EAAuBK,GAAvB,CAAlB;AACD;;AAED,WAAKsG,UAAL,CAAgBnG,SAAhB,GACGoG,IADH,CACQ,UAACC,MAAD,EAAY;AAChB;AACA,YAAIZ,MAAM,GAAG,IAAIlG,SAAJ,CAAcC,MAAd,EAAsBC,EAAtB,CAAb;AACAgG,cAAM,CAAC9F,OAAP,CAAeC,IAAf,EAAqByG,MAArB,EACGC,KADH,CACS,UAACC,GAAD,EAAS;AACd,eAAI,CAACC,gBAAL,CAAsBD,GAAtB,EAA2B3G,IAA3B,EAAiCC,GAAjC,EAAsCJ,EAAtC,EAA0CsG,QAA1C;AACD,SAHH,EAIGK,IAJH,CAIQ,UAACK,MAAD,EAAY;AAChBV,kBAAQ,CAACU,MAAD,CAAR;AACD,SANH;AAOD,OAXH,EAYGH,KAZH,CAYS,UAACC,GAAD,EAAS;AACd,aAAI,CAACC,gBAAL,CAAsBD,GAAtB,EAA2B3G,IAA3B,EAAiCC,GAAjC,EAAsCJ,EAAtC,EAA0CsG,QAA1C;AACD,OAdH;AAeD;AACF,G;;SAEDS,gB,GAAA,0BAAkBD,GAAlB,EAAuB3G,IAAvB,EAA6BC,GAA7B,EAAkCJ,EAAlC,EAAsCsG,QAAtC,EAAgD;AAC9C,QAAI,KAAKT,MAAL,CAAYQ,iBAAhB,EAAmC;AACjCE,sBAAM,CAACC,GAAP,CAAW,wCAAX;AACA,WAAKL,gBAAL,GAAwB,IAAxB;AACA,WAAKL,UAAL,GAAkB,IAAlB;AACA,WAAK5F,OAAL,CAAaC,IAAb,EAAmBC,GAAnB,EAAwBJ,EAAxB,EAA4BsG,QAA5B;AACD,KALD,MAKO;AACLC,sBAAM,CAACU,KAAP,yBAAmCH,GAAG,CAACI,OAAvC;AACA,WAAKtB,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACC,KAA5B,EAAmC;AAAEC,YAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,eAAO,EAAEC,sBAAY,CAACC,kBAAtD;AAA0EC,aAAK,EAAE,IAAjF;AAAuFC,cAAM,EAAEf,GAAG,CAACI;AAAnG,OAAnC;AACD;AACF,G;;SAED3B,O,GAAA,mBAAW;AACT,QAAIkB,SAAS,GAAG,KAAKA,SAArB;;AACA,QAAIA,SAAJ,EAAe;AACbA,eAAS,CAAClB,OAAV;AACA,WAAKkB,SAAL,GAAiBjB,SAAjB;AACD;AACF,G;;;;;AAGYG,uEAAf,E;;;;;ACnGA;;;;AAIA;AACA;AAEA;AAEA;AAEO,SAASmC,cAAT,CAAyBlC,QAAzB,EAAmCzF,IAAnC,EAAyC8C,MAAzC,EAAiD8E,UAAjD,EAA6D;AAClE,MAAIC,cAAJ;AAAA,MAAoB;AAClBC,oBADF;AAAA,MACsB;AACpBC,6BAFF;AAAA,MAE+B;AAC7BC,kBAHF;AAAA,MAGoB;AAClBtC,QAJF;AAAA,MAKEuC,SAAS,GAAGC,SAAS,CAACD,SAAV,CAAoBE,WAApB,EALd;AAAA,MAMEC,aAAa,GAAGR,UANlB;AAAA,MAOES,kBAAkB,GAAG,CACnB,KADmB,EACZ,KADY,EAEnB,KAFmB,EAEZ,KAFY,EAGnB,KAHmB,EAGZ,KAHY,EAInB,KAJmB,EAIZ,KAJY,EAKnB,KALmB,EAKZ,KALY,EAMnB,KANmB,EAMZ,IANY,EAOnB,IAPmB,CAPvB,CADkE,CAgBlE;;AACAR,gBAAc,GAAG,CAAC,CAAC7H,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,CAA/B,IAAoC,CAArD;AACAgF,oBAAkB,GAAI,CAAC9H,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,CAApD;;AACA,MAAIgF,kBAAkB,GAAGO,kBAAkB,CAACtF,MAAnB,GAA4B,CAArD,EAAwD;AACtD0C,YAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,UAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,aAAO,EAAEC,sBAAY,CAACe,kBAAtD;AAA0Eb,WAAK,EAAE,IAAjF;AAAuFC,YAAM,mCAAiCI;AAA9H,KAA9B;AACA;AACD;;AACDE,kBAAgB,GAAI,CAAChI,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,CAAjD,CAvBkE,CAwBlE;;AACAkF,kBAAgB,IAAK,CAAChI,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,CAAnD;AACAsD,kBAAM,CAACC,GAAP,qBAA6BuB,UAA7B,wBAA0DC,cAA1D,wBAA2FC,kBAA3F,SAAiHO,kBAAkB,CAACP,kBAAD,CAAnI,0BAA4KE,gBAA5K,EA1BkE,CA2BlE;;AACA,MAAI,WAAWO,IAAX,CAAgBN,SAAhB,CAAJ,EAAgC;AAC9B,QAAIH,kBAAkB,IAAI,CAA1B,EAA6B;AAC3BD,oBAAc,GAAG,CAAjB;AACAnC,YAAM,GAAG,IAAI8C,KAAJ,CAAU,CAAV,CAAT,CAF2B,CAG3B;AACA;AACA;;AACAT,iCAA2B,GAAGD,kBAAkB,GAAG,CAAnD;AACD,KAPD,MAOO;AACLD,oBAAc,GAAG,CAAjB;AACAnC,YAAM,GAAG,IAAI8C,KAAJ,CAAU,CAAV,CAAT;AACAT,iCAA2B,GAAGD,kBAA9B;AACD,KAZ6B,CAa9B;;AACD,GAdD,MAcO,IAAIG,SAAS,CAACQ,OAAV,CAAkB,SAAlB,MAAiC,CAAC,CAAtC,EAAyC;AAC9CZ,kBAAc,GAAG,CAAjB;AACAnC,UAAM,GAAG,IAAI8C,KAAJ,CAAU,CAAV,CAAT;AACAT,+BAA2B,GAAGD,kBAA9B;AACD,GAJM,MAIA;AACL;;;AAGAD,kBAAc,GAAG,CAAjB;AACAnC,UAAM,GAAG,IAAI8C,KAAJ,CAAU,CAAV,CAAT,CALK,CAML;;AACA,QAAKZ,UAAU,KAAMA,UAAU,CAACa,OAAX,CAAmB,YAAnB,MAAqC,CAAC,CAAvC,IACjBb,UAAU,CAACa,OAAX,CAAmB,WAAnB,MAAoC,CAAC,CADzB,CAAX,IAED,CAACb,UAAD,IAAeE,kBAAkB,IAAI,CAFxC,EAE4C;AAC1C;AACA;AACA;AACAC,iCAA2B,GAAGD,kBAAkB,GAAG,CAAnD;AACD,KAPD,MAOO;AACL;AACA;AACA,UAAIF,UAAU,IAAIA,UAAU,CAACa,OAAX,CAAmB,WAAnB,MAAoC,CAAC,CAAnD,KAA0DX,kBAAkB,IAAI,CAAtB,IAA2BE,gBAAgB,KAAK,CAAjD,IACvD,WAAWO,IAAX,CAAgBN,SAAhB,CADF,KAED,CAACL,UAAD,IAAeI,gBAAgB,KAAK,CAFvC,EAE2C;AACzCH,sBAAc,GAAG,CAAjB;AACAnC,cAAM,GAAG,IAAI8C,KAAJ,CAAU,CAAV,CAAT;AACD;;AACDT,iCAA2B,GAAGD,kBAA9B;AACD;AACF;AACD;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAiCA;;;AACApC,QAAM,CAAC,CAAD,CAAN,GAAYmC,cAAc,IAAI,CAA9B,CA1GkE,CA2GlE;;AACAnC,QAAM,CAAC,CAAD,CAAN,IAAa,CAACoC,kBAAkB,GAAG,IAAtB,KAA+B,CAA5C;AACApC,QAAM,CAAC,CAAD,CAAN,IAAa,CAACoC,kBAAkB,GAAG,IAAtB,KAA+B,CAA5C,CA7GkE,CA8GlE;;AACApC,QAAM,CAAC,CAAD,CAAN,IAAasC,gBAAgB,IAAI,CAAjC;;AACA,MAAIH,cAAc,KAAK,CAAvB,EAA0B;AACxB;AACAnC,UAAM,CAAC,CAAD,CAAN,IAAa,CAACqC,2BAA2B,GAAG,IAA/B,KAAwC,CAArD;AACArC,UAAM,CAAC,CAAD,CAAN,GAAY,CAACqC,2BAA2B,GAAG,IAA/B,KAAwC,CAApD,CAHwB,CAIxB;AACA;;AACArC,UAAM,CAAC,CAAD,CAAN,IAAa,KAAK,CAAlB;AACAA,UAAM,CAAC,CAAD,CAAN,GAAY,CAAZ;AACD;;AACD,SAAO;AAAEA,UAAM,EAAEA,MAAV;AAAkBgD,cAAU,EAAEL,kBAAkB,CAACP,kBAAD,CAAhD;AAAsEa,gBAAY,EAAEX,gBAApF;AAAsGY,SAAK,EAAG,aAAaf,cAA3H;AAA4IO,iBAAa,EAAEA;AAA3J,GAAP;AACD;AAEM,SAASS,eAAT,CAA0B7I,IAA1B,EAAgC8C,MAAhC,EAAwC;AAC7C,SAAO9C,IAAI,CAAC8C,MAAD,CAAJ,KAAiB,IAAjB,IAAyB,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,IAA9D;AACD;AAEM,SAASgG,eAAT,CAA0B9I,IAA1B,EAAgC8C,MAAhC,EAAwC;AAC7C,SAAQ9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAnB,GAA0B,CAA1B,GAA8B,CAAtC;AACD;AAEM,SAASiG,kBAAT,CAA6B/I,IAA7B,EAAmC8C,MAAnC,EAA2C;AAChD,SAAQ,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,EAA9B,GACJ9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CADhB,GAEJ,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,CAFjC;AAGD;AAEM,SAASkG,QAAT,CAAmBhJ,IAAnB,EAAyB8C,MAAzB,EAAiC;AACtC;AACA;AACA;AACA,MAAIA,MAAM,GAAG,CAAT,GAAa9C,IAAI,CAAC+C,MAAlB,IAA4B8F,eAAe,CAAC7I,IAAD,EAAO8C,MAAP,CAA/C,EAA+D;AAC7D,WAAO,IAAP;AACD;;AAED,SAAO,KAAP;AACD;AAEM,SAASmG,UAAT,CAAgBjJ,IAAhB,EAAsB8C,MAAtB,EAA8B;AACnC;AACA;AACA,MAAIkG,QAAQ,CAAChJ,IAAD,EAAO8C,MAAP,CAAZ,EAA4B;AAC1B;AACA,QAAIoG,YAAY,GAAGJ,eAAe,CAAC9I,IAAD,EAAO8C,MAAP,CAAlC,CAF0B,CAG1B;;AACA,QAAIqG,WAAW,GAAGD,YAAlB;;AACA,QAAIpG,MAAM,GAAG,CAAT,GAAa9C,IAAI,CAAC+C,MAAtB,EAA8B;AAC5BoG,iBAAW,GAAGJ,kBAAkB,CAAC/I,IAAD,EAAO8C,MAAP,CAAhC;AACD;;AAED,QAAIsG,SAAS,GAAGtG,MAAM,GAAGqG,WAAzB;;AACA,QAAIC,SAAS,KAAKpJ,IAAI,CAAC+C,MAAnB,IAA8BqG,SAAS,GAAG,CAAZ,GAAgBpJ,IAAI,CAAC+C,MAArB,IAA+B8F,eAAe,CAAC7I,IAAD,EAAOoJ,SAAP,CAAhF,EAAoG;AAClG,aAAO,IAAP;AACD;AACF;;AACD,SAAO,KAAP;AACD;AAEM,SAASC,eAAT,CAA0BC,KAA1B,EAAiC7D,QAAjC,EAA2CzF,IAA3C,EAAiD8C,MAAjD,EAAyD8E,UAAzD,EAAqE;AAC1E,MAAI,CAAC0B,KAAK,CAACZ,UAAX,EAAuB;AACrB,QAAIhD,MAAM,GAAGiC,cAAc,CAAClC,QAAD,EAAWzF,IAAX,EAAiB8C,MAAjB,EAAyB8E,UAAzB,CAA3B;AACA0B,SAAK,CAAC5D,MAAN,GAAeA,MAAM,CAACA,MAAtB;AACA4D,SAAK,CAACZ,UAAN,GAAmBhD,MAAM,CAACgD,UAA1B;AACAY,SAAK,CAACX,YAAN,GAAqBjD,MAAM,CAACiD,YAA5B;AACAW,SAAK,CAACV,KAAN,GAAclD,MAAM,CAACkD,KAArB;AACAU,SAAK,CAAClB,aAAN,GAAsB1C,MAAM,CAAC0C,aAA7B;AACAhC,oBAAM,CAACC,GAAP,mBAA2BiD,KAAK,CAACV,KAAjC,cAA+ClD,MAAM,CAACgD,UAAtD,oBAA+EhD,MAAM,CAACiD,YAAtF;AACD;AACF;AAEM,SAASY,gBAAT,CAA2Bb,UAA3B,EAAuC;AAC5C,SAAO,OAAO,KAAP,GAAeA,UAAtB;AACD;AAEM,SAASc,gBAAT,CAA2BxJ,IAA3B,EAAiC8C,MAAjC,EAAyC2G,GAAzC,EAA8CC,UAA9C,EAA0DC,aAA1D,EAAyE;AAC9E,MAAIT,YAAJ,EAAkBC,WAAlB,EAA+BS,KAA/B;AACA,MAAI7G,MAAM,GAAG/C,IAAI,CAAC+C,MAAlB,CAF8E,CAI9E;;AACAmG,cAAY,GAAGJ,eAAe,CAAC9I,IAAD,EAAO8C,MAAP,CAA9B,CAL8E,CAM9E;;AACAqG,aAAW,GAAGJ,kBAAkB,CAAC/I,IAAD,EAAO8C,MAAP,CAAhC;AACAqG,aAAW,IAAID,YAAf;;AAEA,MAAKC,WAAW,GAAG,CAAf,IAAuBrG,MAAM,GAAGoG,YAAT,GAAwBC,WAAzB,IAAyCpG,MAAnE,EAA4E;AAC1E6G,SAAK,GAAGH,GAAG,GAAGC,UAAU,GAAGC,aAA3B,CAD0E,CAE1E;;AACA,WAAO;AAAET,kBAAY,EAAZA,YAAF;AAAgBC,iBAAW,EAAXA,WAAhB;AAA6BS,WAAK,EAALA;AAA7B,KAAP;AACD;;AAED,SAAOvE,SAAP;AACD;AAEM,SAASwE,WAAT,CAAsBP,KAAtB,EAA6BtJ,IAA7B,EAAmC8C,MAAnC,EAA2C2G,GAA3C,EAAgDC,UAAhD,EAA4D;AACjE,MAAIC,aAAa,GAAGJ,gBAAgB,CAACD,KAAK,CAACZ,UAAP,CAApC;AACA,MAAIoB,MAAM,GAAGN,gBAAgB,CAACxJ,IAAD,EAAO8C,MAAP,EAAe2G,GAAf,EAAoBC,UAApB,EAAgCC,aAAhC,CAA7B;;AACA,MAAIG,MAAJ,EAAY;AACV,QAAIF,KAAK,GAAGE,MAAM,CAACF,KAAnB;AACA,QAAIV,YAAY,GAAGY,MAAM,CAACZ,YAA1B;AACA,QAAIC,WAAW,GAAGW,MAAM,CAACX,WAAzB,CAHU,CAKV;;AACA,QAAIY,SAAS,GAAG;AACdC,UAAI,EAAEhK,IAAI,CAACiK,QAAL,CAAcnH,MAAM,GAAGoG,YAAvB,EAAqCpG,MAAM,GAAGoG,YAAT,GAAwBC,WAA7D,CADQ;AAEdM,SAAG,EAAEG,KAFS;AAGdM,SAAG,EAAEN;AAHS,KAAhB;AAMAN,SAAK,CAACa,OAAN,CAAcC,IAAd,CAAmBL,SAAnB;AACA,WAAO;AAAEM,YAAM,EAAEN,SAAV;AAAqBhH,YAAM,EAAEoG,WAAW,GAAGD;AAA3C,KAAP;AACD;;AAED,SAAO7D,SAAP;AACD,C;;;;;;;AC3OD;;;AAGA;AACA;AACA;;IAEMiF,qB;;;AACJ,sBAAa7E,QAAb,EAAuB8E,OAAvB,EAAgC7E,MAAhC,EAAwC;AACtC,SAAKD,QAAL,GAAgBA,QAAhB;AACA,SAAKC,MAAL,GAAcA,MAAd;AACA,SAAK6E,OAAL,GAAeA,OAAf;AACD;;;;SAEDC,gB,GAAA,0BAAkBC,WAAlB,EAA+B7C,UAA/B,EAA2C8C,UAA3C,EAAuDC,QAAvD,EAAiE;AAC/D,SAAKC,WAAL,GAAmB;AAAEC,eAAS,EAAE,YAAb;AAA2B1D,UAAI,EAAE,OAAjC;AAA0C2D,QAAE,EAAE,CAA9C;AAAiDC,oBAAc,EAAE,CAAjE;AAAoEC,WAAK,EAAE,IAA3E;AAAiFb,aAAO,EAAE,EAA1F;AAA8Fc,SAAG,EAAE,CAAnG;AAAsG7C,mBAAa,EAAER,UAArH;AAAiI+C,cAAQ,EAAEA,QAA3I;AAAqJO,oBAAc,EAAE;AAArK,KAAnB;AACD,G;;SAEDC,c,GAAA,0BAAkB,CACjB,C;;aAEMlC,K,GAAP,eAAcjJ,IAAd,EAAoB;AAClB,QAAI,CAACA,IAAL,EAAW;AACT,aAAO,KAAP;AACD,KAHiB,CAKlB;AACA;AACA;AACA;;;AACA,QAAMoL,OAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB,CAArB,KAA2B,EAA3C;AACA,QAAI8C,MAAM,GAAGsI,OAAO,CAACrI,MAArB;;AAEA,SAAK,IAAIA,MAAM,GAAG/C,IAAI,CAAC+C,MAAvB,EAA+BD,MAAM,GAAGC,MAAxC,EAAgDD,MAAM,EAAtD,EAA0D;AACxD,UAAIyI,UAAA,CAAWvL,IAAX,EAAiB8C,MAAjB,CAAJ,EAA8B;AAC5BsD,wBAAM,CAACC,GAAP,CAAW,wBAAX;AACA,eAAO,IAAP;AACD;AACF;;AACD,WAAO,KAAP;AACD,G,CAED;;;SACAmF,M,GAAA,gBAAQxL,IAAR,EAAcyL,UAAd,EAA0BC,UAA1B,EAAsCC,kBAAtC,EAA0D;AACxD,QAAIrC,KAAK,GAAG,KAAKsB,WAAjB;AACA,QAAIQ,OAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB,CAArB,KAA2B,EAAzC;AACA,QAAI4L,SAAS,GAAGP,cAAG,CAACQ,YAAJ,CAAiBT,OAAjB,CAAhB;AACA,QAAI3B,GAAG,GAAG,0CAAgBmC,SAAhB,IAA6BA,SAAS,GAAG,EAAzC,GAA8CH,UAAU,GAAG,KAArE;AACA,QAAI/B,UAAU,GAAG,CAAjB;AACA,QAAIE,KAAK,GAAGH,GAAZ;AACA,QAAI1G,MAAM,GAAG/C,IAAI,CAAC+C,MAAlB;AACA,QAAID,MAAM,GAAGsI,OAAO,CAACrI,MAArB;AAEA,QAAI+I,UAAU,GAAG,CAAC;AAAErC,SAAG,EAAEG,KAAP;AAAcM,SAAG,EAAEN,KAAnB;AAA0B5J,UAAI,EAAEoL;AAAhC,KAAD,CAAjB;;AAEA,WAAOtI,MAAM,GAAGC,MAAM,GAAG,CAAzB,EAA4B;AAC1B,UAAIwI,QAAA,CAAcvL,IAAd,EAAoB8C,MAApB,KAAgCA,MAAM,GAAG,CAAV,GAAeC,MAAlD,EAA0D;AACxDwI,uBAAA,CAAqBjC,KAArB,EAA4B,KAAK7D,QAAjC,EAA2CzF,IAA3C,EAAiD8C,MAAjD,EAAyDwG,KAAK,CAAClB,aAA/D;AACA,YAAI2D,KAAK,GAAGR,WAAA,CAAiBjC,KAAjB,EAAwBtJ,IAAxB,EAA8B8C,MAA9B,EAAsC2G,GAAtC,EAA2CC,UAA3C,CAAZ;;AACA,YAAIqC,KAAJ,EAAW;AACTjJ,gBAAM,IAAIiJ,KAAK,CAAChJ,MAAhB;AACA6G,eAAK,GAAGmC,KAAK,CAAC1B,MAAN,CAAaZ,GAArB;AACAC,oBAAU;AACX,SAJD,MAIO;AACLtD,0BAAM,CAACC,GAAP,CAAW,2BAAX;AACA;AACD;AACF,OAXD,MAWO,IAAIgF,cAAG,CAACrC,QAAJ,CAAahJ,IAAb,EAAmB8C,MAAnB,CAAJ,EAAgC;AACrCsI,eAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB8C,MAArB,CAAV;AACAgJ,kBAAU,CAAC1B,IAAX,CAAgB;AAAEX,aAAG,EAAEG,KAAP;AAAcM,aAAG,EAAEN,KAAnB;AAA0B5J,cAAI,EAAEoL;AAAhC,SAAhB;AACAtI,cAAM,IAAIsI,OAAO,CAACrI,MAAlB;AACD,OAJM,MAIA;AACL;AACAD,cAAM;AACP;AACF;;AAED,SAAKyH,OAAL,CAAayB,KAAb,CAAmB1C,KAAnB,EACE;AAAEa,aAAO,EAAE;AAAX,KADF,EAEE;AAAEA,aAAO,EAAE2B,UAAX;AAAuBZ,oBAAc,EAAE;AAAvC,KAFF,EAGE;AAAEf,aAAO,EAAE;AAAX,KAHF,EAIEsB,UAJF,EAKEC,UALF,EAMEC,kBANF;AAOD,G;;SAEDvG,O,GAAA,mBAAW,CACV,C;;;;;AAGYkF,oEAAf,E;;;;;AC1FA;;;AAIA,IAAM2B,SAAS,GAAG;AAEhBC,aAAW,EAAE,CACX,EADW,EACP,EADO,EACH,EADG,EACC,GADD,EACM,GADN,EACW,GADX,EACgB,GADhB,EACqB,GADrB,EAC0B,GAD1B,EAC+B,GAD/B,EACoC,GADpC,EACyC,GADzC,EAC8C,GAD9C,EACmD,GADnD,EAEX,EAFW,EAEP,EAFO,EAEH,EAFG,EAEC,EAFD,EAEK,EAFL,EAES,EAFT,EAEa,GAFb,EAEkB,GAFlB,EAEuB,GAFvB,EAE4B,GAF5B,EAEiC,GAFjC,EAEsC,GAFtC,EAE2C,GAF3C,EAEgD,GAFhD,EAGX,EAHW,EAGP,EAHO,EAGH,EAHG,EAGC,EAHD,EAGK,EAHL,EAGS,EAHT,EAGa,EAHb,EAGiB,GAHjB,EAGsB,GAHtB,EAG2B,GAH3B,EAGgC,GAHhC,EAGqC,GAHrC,EAG0C,GAH1C,EAG+C,GAH/C,EAIX,EAJW,EAIP,EAJO,EAIH,EAJG,EAIC,EAJD,EAIK,EAJL,EAIS,EAJT,EAIa,GAJb,EAIkB,GAJlB,EAIuB,GAJvB,EAI4B,GAJ5B,EAIiC,GAJjC,EAIsC,GAJtC,EAI2C,GAJ3C,EAIgD,GAJhD,EAKX,CALW,EAKR,EALQ,EAKJ,EALI,EAKA,EALA,EAKI,EALJ,EAKQ,EALR,EAKY,EALZ,EAKgB,EALhB,EAKoB,EALpB,EAKwB,EALxB,EAK4B,GAL5B,EAKiC,GALjC,EAKsC,GALtC,EAK2C,GAL3C,CAFG;AAShBC,iBAAe,EAAE,CAAC,KAAD,EAAQ,KAAR,EAAe,KAAf,EAAsB,KAAtB,EAA6B,KAA7B,EAAoC,KAApC,EAA2C,KAA3C,EAAkD,KAAlD,EAAyD,IAAzD,CATD;AAWhBC,qBAAmB,EAAE,CACnB;AACA,GACE,CADF,EACK;AACH,IAFF,EAEM;AACJ,KAHF,EAGO;AACL,IAJF,CAIK;AAJL,GAFmB,EAQnB;AACA,GACE,CADF,EACK;AACH,GAFF,EAEK;AACH,GAHF,EAGK;AACH,GAJF,CAII;AAJJ,GATmB,EAenB;AACA,GACE,CADF,EACK;AACH,IAFF,EAEM;AACJ,KAHF,EAGO;AACL,IAJF,CAIK;AAJL,GAhBmB,EAsBnB;AACA,GACE,CADF,EACK;AACH,KAFF,EAEO;AACL,KAHF,EAGO;AACL,IAJF,CAIK;AAJL,GAvBmB,CAXL;AA0ChBC,aAAW,EAAE,CACX,CADW,EACR;AACH,GAFW,EAER;AACH,GAHW,EAGR;AACH,GAJW,CAIT;AAJS,GA1CG;AAiDhBxC,aAAW,EAAE,qBAAUP,KAAV,EAAiBtJ,IAAjB,EAAuB8C,MAAvB,EAA+B2G,GAA/B,EAAoCC,UAApC,EAAgD;AAC3D;AACA,QAAI5G,MAAM,GAAG,EAAT,GAAc9C,IAAI,CAAC+C,MAAvB,EAA+B;AAC7B,aAAOsC,SAAP;AACD;;AAED,QAAIyE,MAAM,GAAG,KAAKwC,WAAL,CAAiBtM,IAAjB,EAAuB8C,MAAvB,CAAb;;AACA,QAAIgH,MAAM,IAAIhH,MAAM,GAAGgH,MAAM,CAACX,WAAhB,IAA+BnJ,IAAI,CAAC+C,MAAlD,EAA0D;AACxD,UAAI4G,aAAa,GAAGG,MAAM,CAACyC,eAAP,GAAyB,KAAzB,GAAiCzC,MAAM,CAAC0C,UAA5D;AACA,UAAI5C,KAAK,GAAGH,GAAG,GAAGC,UAAU,GAAGC,aAA/B;AACA,UAAIU,MAAM,GAAG;AAAEL,YAAI,EAAEhK,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBA,MAAM,GAAGgH,MAAM,CAACX,WAAtC,CAAR;AAA4DM,WAAG,EAAEG,KAAjE;AAAwEM,WAAG,EAAEN;AAA7E,OAAb;AAEAN,WAAK,CAAC5D,MAAN,GAAe,EAAf;AACA4D,WAAK,CAACX,YAAN,GAAqBmB,MAAM,CAACnB,YAA5B;AACAW,WAAK,CAACZ,UAAN,GAAmBoB,MAAM,CAAC0C,UAA1B;AACAlD,WAAK,CAACa,OAAN,CAAcC,IAAd,CAAmBC,MAAnB;AAEA,aAAO;AAAEA,cAAM,EAANA,MAAF;AAAUtH,cAAM,EAAE+G,MAAM,CAACX;AAAzB,OAAP;AACD;;AAED,WAAO9D,SAAP;AACD,GAtEe;AAwEhBiH,aAAW,EAAE,qBAAUtM,IAAV,EAAgB8C,MAAhB,EAAwB;AACnC,QAAI2J,OAAO,GAAIzM,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAArB,GAA0B,CAAxC;AACA,QAAI4J,OAAO,GAAI1M,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAArB,GAA0B,CAAxC;AACA,QAAI6J,OAAO,GAAI3M,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAArB,GAA0B,EAAxC;AACA,QAAI8J,OAAO,GAAI5M,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAArB,GAA0B,CAAxC;AACA,QAAI+J,OAAO,GAAI7M,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAArB,GAA0B,CAAxC;;AACA,QAAI2J,OAAO,KAAK,CAAZ,IAAiBE,OAAO,KAAK,CAA7B,IAAkCA,OAAO,KAAK,EAA9C,IAAoDC,OAAO,KAAK,CAApE,EAAuE;AACrE,UAAIE,gBAAgB,GAAGL,OAAO,KAAK,CAAZ,GAAiB,IAAIC,OAArB,GAAiCA,OAAO,KAAK,CAAZ,GAAgB,CAAhB,GAAoB,CAA5E;AACA,UAAIK,OAAO,GAAGd,SAAS,CAACC,WAAV,CAAsBY,gBAAgB,GAAG,EAAnB,GAAwBH,OAAxB,GAAkC,CAAxD,IAA6D,IAA3E;AACA,UAAIK,mBAAmB,GAAGP,OAAO,KAAK,CAAZ,GAAgB,CAAhB,GAAoBA,OAAO,KAAK,CAAZ,GAAgB,CAAhB,GAAoB,CAAlE;AACA,UAAID,UAAU,GAAGP,SAAS,CAACE,eAAV,CAA0Ba,mBAAmB,GAAG,CAAtB,GAA0BJ,OAApD,CAAjB;AACA,UAAIjE,YAAY,GAAG3I,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAApB,KAA0B,CAA1B,GAA8B,CAA9B,GAAkC,CAArD,CALqE,CAKb;;AACxD,UAAImK,iBAAiB,GAAGhB,SAAS,CAACG,mBAAV,CAA8BK,OAA9B,EAAuCC,OAAvC,CAAxB;AACA,UAAIQ,WAAW,GAAGjB,SAAS,CAACI,WAAV,CAAsBK,OAAtB,CAAlB;AACA,UAAIH,eAAe,GAAGU,iBAAiB,GAAG,CAApB,GAAwBC,WAA9C;AACA,UAAI/D,WAAW,GAAGgE,QAAQ,CAACF,iBAAiB,GAAGF,OAApB,GAA8BP,UAA9B,GAA2CK,OAA5C,EAAqD,EAArD,CAAR,GAAmEK,WAArF;AAEA,aAAO;AAAEV,kBAAU,EAAVA,UAAF;AAAc7D,oBAAY,EAAZA,YAAd;AAA4BQ,mBAAW,EAAXA,WAA5B;AAAyCoD,uBAAe,EAAfA;AAAzC,OAAP;AACD;;AAED,WAAOlH,SAAP;AACD,GA7Fe;AA+FhBwD,iBAAe,EAAE,yBAAU7I,IAAV,EAAgB8C,MAAhB,EAAwB;AACvC,WAAO9C,IAAI,CAAC8C,MAAD,CAAJ,KAAiB,IAAjB,IAAyB,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,IAAvD,IAA+D,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,IAApG;AACD,GAjGe;AAmGhBkG,UAAQ,EAAE,kBAAUhJ,IAAV,EAAgB8C,MAAhB,EAAwB;AAChC;AACA;AACA;AACA,QAAIA,MAAM,GAAG,CAAT,GAAa9C,IAAI,CAAC+C,MAAlB,IAA4B,KAAK8F,eAAL,CAAqB7I,IAArB,EAA2B8C,MAA3B,CAAhC,EAAoE;AAClE,aAAO,IAAP;AACD;;AAED,WAAO,KAAP;AACD,GA5Ge;AA8GhBmG,OAAK,EAAE,eAAUjJ,IAAV,EAAgB8C,MAAhB,EAAwB;AAC7B;AACA;AACA,QAAIA,MAAM,GAAG,CAAT,GAAa9C,IAAI,CAAC+C,MAAlB,IAA4B,KAAK8F,eAAL,CAAqB7I,IAArB,EAA2B8C,MAA3B,CAAhC,EAAoE;AAClE;AACA,UAAIoG,YAAY,GAAG,CAAnB,CAFkE,CAGlE;;AACA,UAAIY,MAAM,GAAG,KAAKwC,WAAL,CAAiBtM,IAAjB,EAAuB8C,MAAvB,CAAb;AACA,UAAIqG,WAAW,GAAGD,YAAlB;;AACA,UAAIY,MAAM,IAAIA,MAAM,CAACX,WAArB,EAAkC;AAChCA,mBAAW,GAAGW,MAAM,CAACX,WAArB;AACD;;AAED,UAAIC,SAAS,GAAGtG,MAAM,GAAGqG,WAAzB;;AACA,UAAIC,SAAS,KAAKpJ,IAAI,CAAC+C,MAAnB,IAA8BqG,SAAS,GAAG,CAAZ,GAAgBpJ,IAAI,CAAC+C,MAArB,IAA+B,KAAK8F,eAAL,CAAqB7I,IAArB,EAA2BoJ,SAA3B,CAAjE,EAAyG;AACvG,eAAO,IAAP;AACD;AACF;;AACD,WAAO,KAAP;AACD;AAjIe,CAAlB;AAoIe6C,uDAAf,E;;ACxIA;;;AAIA;;IAEMmB,oB;;;AACJ,qBAAapN,IAAb,EAAmB;AACjB,SAAKA,IAAL,GAAYA,IAAZ,CADiB,CAEjB;;AACA,SAAKqN,cAAL,GAAsBrN,IAAI,CAACS,UAA3B,CAHiB,CAIjB;;AACA,SAAKiD,IAAL,GAAY,CAAZ,CALiB,CAKF;AACf;;AACA,SAAK4J,aAAL,GAAqB,CAArB,CAPiB,CAOO;AACzB,G,CAED;;;;;SACAC,Q,GAAA,oBAAY;AACV,QACEvN,IAAI,GAAG,KAAKA,IADd;AAAA,QAEEqN,cAAc,GAAG,KAAKA,cAFxB;AAAA,QAGEG,QAAQ,GAAGxN,IAAI,CAACS,UAAL,GAAkB4M,cAH/B;AAAA,QAIEI,YAAY,GAAG,IAAIC,UAAJ,CAAe,CAAf,CAJjB;AAAA,QAKEC,cAAc,GAAGC,IAAI,CAACC,GAAL,CAAS,CAAT,EAAYR,cAAZ,CALnB;;AAMA,QAAIM,cAAc,KAAK,CAAvB,EAA0B;AACxB,YAAM,IAAI1K,KAAJ,CAAU,oBAAV,CAAN;AACD;;AAEDwK,gBAAY,CAACK,GAAb,CAAiB9N,IAAI,CAACiK,QAAL,CAAcuD,QAAd,EAAwBA,QAAQ,GAAGG,cAAnC,CAAjB;AACA,SAAKjK,IAAL,GAAY,IAAI/C,QAAJ,CAAa8M,YAAY,CAAClN,MAA1B,EAAkCoB,SAAlC,CAA4C,CAA5C,CAAZ,CAZU,CAaV;;AACA,SAAK2L,aAAL,GAAqBK,cAAc,GAAG,CAAtC;AACA,SAAKN,cAAL,IAAuBM,cAAvB;AACD,G,CAED;;;SACAI,Q,GAAA,kBAAUC,KAAV,EAAiB;AACf,QAAIC,SAAJ,CADe,CACA;;AACf,QAAI,KAAKX,aAAL,GAAqBU,KAAzB,EAAgC;AAC9B,WAAKtK,IAAL,KAAcsK,KAAd;AACA,WAAKV,aAAL,IAAsBU,KAAtB;AACD,KAHD,MAGO;AACLA,WAAK,IAAI,KAAKV,aAAd;AACAW,eAAS,GAAGD,KAAK,IAAI,CAArB;AACAA,WAAK,IAAKC,SAAS,IAAI,CAAvB;AACA,WAAKZ,cAAL,IAAuBY,SAAvB;AACA,WAAKV,QAAL;AACA,WAAK7J,IAAL,KAAcsK,KAAd;AACA,WAAKV,aAAL,IAAsBU,KAAtB;AACD;AACF,G,CAED;;;SACAE,Q,GAAA,kBAAUC,IAAV,EAAgB;AACd,QACEC,IAAI,GAAGR,IAAI,CAACC,GAAL,CAAS,KAAKP,aAAd,EAA6Ba,IAA7B,CADT;AAAA,QAC6C;AAC3CE,QAAI,GAAG,KAAK3K,IAAL,KAAe,KAAK0K,IAF7B,CADc,CAGsB;;AACpC,QAAID,IAAI,GAAG,EAAX,EAAe;AACb/H,sBAAM,CAACU,KAAP,CAAa,yCAAb;AACD;;AAED,SAAKwG,aAAL,IAAsBc,IAAtB;;AACA,QAAI,KAAKd,aAAL,GAAqB,CAAzB,EAA4B;AAC1B,WAAK5J,IAAL,KAAc0K,IAAd;AACD,KAFD,MAEO,IAAI,KAAKf,cAAL,GAAsB,CAA1B,EAA6B;AAClC,WAAKE,QAAL;AACD;;AAEDa,QAAI,GAAGD,IAAI,GAAGC,IAAd;;AACA,QAAIA,IAAI,GAAG,CAAP,IAAY,KAAKd,aAArB,EAAoC;AAClC,aAAOe,IAAI,IAAID,IAAR,GAAe,KAAKF,QAAL,CAAcE,IAAd,CAAtB;AACD,KAFD,MAEO;AACL,aAAOC,IAAP;AACD;AACF,G,CAED;;;SACAC,M,GAAA,kBAAU;AACR,QAAIC,gBAAJ,CADQ,CACc;;AACtB,SAAKA,gBAAgB,GAAG,CAAxB,EAA2BA,gBAAgB,GAAG,KAAKjB,aAAnD,EAAkE,EAAEiB,gBAApE,EAAsF;AACpF,UAAI,CAAC,KAAK7K,IAAL,GAAa,eAAe6K,gBAA7B,MAAoD,CAAxD,EAA2D;AACzD;AACA,aAAK7K,IAAL,KAAc6K,gBAAd;AACA,aAAKjB,aAAL,IAAsBiB,gBAAtB;AACA,eAAOA,gBAAP;AACD;AACF,KATO,CAUR;;;AACA,SAAKhB,QAAL;AACA,WAAOgB,gBAAgB,GAAG,KAAKD,MAAL,EAA1B;AACD,G,CAED;;;SACAE,O,GAAA,mBAAW;AACT,SAAKT,QAAL,CAAc,IAAI,KAAKO,MAAL,EAAlB;AACD,G,CAED;;;SACAG,M,GAAA,kBAAU;AACR,SAAKV,QAAL,CAAc,IAAI,KAAKO,MAAL,EAAlB;AACD,G,CAED;;;SACAI,O,GAAA,mBAAW;AACT,QAAIC,GAAG,GAAG,KAAKL,MAAL,EAAV,CADS,CACgB;;AACzB,WAAO,KAAKJ,QAAL,CAAcS,GAAG,GAAG,CAApB,IAAyB,CAAhC;AACD,G,CAED;;;SACAC,M,GAAA,kBAAU;AACR,QAAIP,IAAI,GAAG,KAAKK,OAAL,EAAX,CADQ,CACmB;;AAC3B,QAAI,OAAOL,IAAX,EAAiB;AACf;AACA,aAAQ,IAAIA,IAAL,KAAe,CAAtB,CAFe,CAEU;AAC1B,KAHD,MAGO;AACL,aAAO,CAAC,CAAD,IAAMA,IAAI,KAAK,CAAf,CAAP,CADK,CACqB;AAC3B;AACF,G,CAED;AACA;;;SACAQ,W,GAAA,uBAAe;AACb,WAAO,KAAKX,QAAL,CAAc,CAAd,MAAqB,CAA5B;AACD,G,CAED;;;SACAY,S,GAAA,qBAAa;AACX,WAAO,KAAKZ,QAAL,CAAc,CAAd,CAAP;AACD,G,CAED;;;SACAa,U,GAAA,sBAAc;AACZ,WAAO,KAAKb,QAAL,CAAc,EAAd,CAAP;AACD,G,CACD;;;SACAc,Q,GAAA,oBAAY;AACV,WAAO,KAAKd,QAAL,CAAc,EAAd,CAAP;AACD;AAED;;;;;;;;;SAOAe,e,GAAA,yBAAiBjB,KAAjB,EAAwB;AACtB,QACEkB,SAAS,GAAG,CADd;AAAA,QAEEC,SAAS,GAAG,CAFd;AAAA,QAGEC,CAHF;AAAA,QAIEC,UAJF;;AAKA,SAAKD,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGpB,KAAhB,EAAuBoB,CAAC,EAAxB,EAA4B;AAC1B,UAAID,SAAS,KAAK,CAAlB,EAAqB;AACnBE,kBAAU,GAAG,KAAKT,MAAL,EAAb;AACAO,iBAAS,GAAG,CAACD,SAAS,GAAGG,UAAZ,GAAyB,GAA1B,IAAiC,GAA7C;AACD;;AACDH,eAAS,GAAIC,SAAS,KAAK,CAAf,GAAoBD,SAApB,GAAgCC,SAA5C;AACD;AACF;AAED;;;;;;;;;;;SASAG,O,GAAA,mBAAW;AACT,QACEC,mBAAmB,GAAG,CADxB;AAAA,QAEEC,oBAAoB,GAAG,CAFzB;AAAA,QAGEC,kBAAkB,GAAG,CAHvB;AAAA,QAIEC,qBAAqB,GAAG,CAJ1B;AAAA,QAKEC,UALF;AAAA,QAKcC,aALd;AAAA,QAK6BC,QAL7B;AAAA,QAMEC,8BANF;AAAA,QAMkCC,mBANlC;AAAA,QAOEC,yBAPF;AAAA,QAQEC,gBARF;AAAA,QASEC,gBATF;AAAA,QAUExO,CAVF;AAAA,QAWEoN,SAAS,GAAG,KAAKA,SAAL,CAAeqB,IAAf,CAAoB,IAApB,CAXd;AAAA,QAYEjC,QAAQ,GAAG,KAAKA,QAAL,CAAciC,IAAd,CAAmB,IAAnB,CAZb;AAAA,QAaEzB,OAAO,GAAG,KAAKA,OAAL,CAAayB,IAAb,CAAkB,IAAlB,CAbZ;AAAA,QAcEtB,WAAW,GAAG,KAAKA,WAAL,CAAiBsB,IAAjB,CAAsB,IAAtB,CAdhB;AAAA,QAeEpC,QAAQ,GAAG,KAAKA,QAAL,CAAcoC,IAAd,CAAmB,IAAnB,CAfb;AAAA,QAgBE1B,MAAM,GAAG,KAAKA,MAAL,CAAY0B,IAAZ,CAAiB,IAAjB,CAhBX;AAAA,QAiBE3B,OAAO,GAAG,KAAKA,OAAL,CAAa2B,IAAb,CAAkB,IAAlB,CAjBZ;AAAA,QAkBElB,eAAe,GAAG,KAAKA,eAAL,CAAqBkB,IAArB,CAA0B,IAA1B,CAlBpB;AAoBArB,aAAS;AACTa,cAAU,GAAGb,SAAS,EAAtB,CAtBS,CAsBiB;;AAC1Bc,iBAAa,GAAG1B,QAAQ,CAAC,CAAD,CAAxB,CAvBS,CAuBoB;;AAC7BH,YAAQ,CAAC,CAAD,CAAR,CAxBS,CAwBI;;AACb8B,YAAQ,GAAGf,SAAS,EAApB,CAzBS,CAyBe;;AACxBN,WAAO,GA1BE,CA0BE;AACX;;AACA,QAAImB,UAAU,KAAK,GAAf,IACAA,UAAU,KAAK,GADf,IAEAA,UAAU,KAAK,GAFf,IAGAA,UAAU,KAAK,GAHf,IAIAA,UAAU,KAAK,EAJf,IAKAA,UAAU,KAAK,EALf,IAMAA,UAAU,KAAK,EANf,IAOAA,UAAU,KAAK,GAPf,IAQAA,UAAU,KAAK,GARnB,EAQwB;AACtB,UAAIS,eAAe,GAAG1B,OAAO,EAA7B;;AACA,UAAI0B,eAAe,KAAK,CAAxB,EAA2B;AACzBrC,gBAAQ,CAAC,CAAD,CAAR;AACD,OAJqB,CAIpB;;;AAEFS,aAAO,GANe,CAMX;;AACXA,aAAO,GAPe,CAOX;;AACXT,cAAQ,CAAC,CAAD,CAAR,CARsB,CAQT;;AACb,UAAIc,WAAW,EAAf,EAAmB;AAAE;AACnBqB,wBAAgB,GAAIE,eAAe,KAAK,CAArB,GAA0B,CAA1B,GAA8B,EAAjD;;AACA,aAAK1O,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGwO,gBAAhB,EAAkCxO,CAAC,EAAnC,EAAuC;AACrC,cAAImN,WAAW,EAAf,EAAmB;AAAE;AACnB,gBAAInN,CAAC,GAAG,CAAR,EAAW;AACTuN,6BAAe,CAAC,EAAD,CAAf;AACD,aAFD,MAEO;AACLA,6BAAe,CAAC,EAAD,CAAf;AACD;AACF;AACF;AACF;AACF;;AACDT,WAAO,GA1DE,CA0DE;;AACX,QAAI6B,eAAe,GAAG3B,OAAO,EAA7B;;AACA,QAAI2B,eAAe,KAAK,CAAxB,EAA2B;AACzB3B,aAAO,GADkB,CACd;AACZ,KAFD,MAEO,IAAI2B,eAAe,KAAK,CAAxB,EAA2B;AAChCtC,cAAQ,CAAC,CAAD,CAAR,CADgC,CACnB;;AACbU,YAAM,GAF0B,CAEtB;;AACVA,YAAM,GAH0B,CAGtB;;AACVqB,oCAA8B,GAAGpB,OAAO,EAAxC;;AACA,WAAKhN,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGoO,8BAAhB,EAAgDpO,CAAC,EAAjD,EAAqD;AACnD+M,cAAM;AACP,OAP+B,CAO9B;;AACH;;AACDD,WAAO,GAvEE,CAuEE;;AACXT,YAAQ,CAAC,CAAD,CAAR,CAxES,CAwEI;;AACbgC,uBAAmB,GAAGrB,OAAO,EAA7B;AACAsB,6BAAyB,GAAGtB,OAAO,EAAnC;AACAuB,oBAAgB,GAAG/B,QAAQ,CAAC,CAAD,CAA3B;;AACA,QAAI+B,gBAAgB,KAAK,CAAzB,EAA4B;AAC1BlC,cAAQ,CAAC,CAAD,CAAR;AACD,KA9EQ,CA8EP;;;AAEFA,YAAQ,CAAC,CAAD,CAAR,CAhFS,CAgFI;;AACb,QAAIc,WAAW,EAAf,EAAmB;AAAE;AACnBU,yBAAmB,GAAGb,OAAO,EAA7B;AACAc,0BAAoB,GAAGd,OAAO,EAA9B;AACAe,wBAAkB,GAAGf,OAAO,EAA5B;AACAgB,2BAAqB,GAAGhB,OAAO,EAA/B;AACD;;AACD,QAAI4B,UAAU,GAAG,CAAC,CAAD,EAAI,CAAJ,CAAjB;;AACA,QAAIzB,WAAW,EAAf,EAAmB;AACjB;AACA,UAAIA,WAAW,EAAf,EAAmB;AACjB;AACA,YAAM0B,cAAc,GAAGzB,SAAS,EAAhC;;AACA,gBAAQyB,cAAR;AACA,eAAK,CAAL;AAAQD,sBAAU,GAAG,CAAC,CAAD,EAAI,CAAJ,CAAb;AAAqB;;AAC7B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAChC,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAChC,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAChC,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,GAAD,EAAM,EAAN,CAAb;AAAwB;;AACjC,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,CAAD,EAAI,CAAJ,CAAb;AAAqB;;AAC9B,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,CAAD,EAAI,CAAJ,CAAb;AAAqB;;AAC9B,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,CAAD,EAAI,CAAJ,CAAb;AAAqB;;AAC9B,eAAK,GAAL;AAAU;AACRA,wBAAU,GAAG,CAACxB,SAAS,MAAM,CAAf,GAAmBA,SAAS,EAA7B,EAAiCA,SAAS,MAAM,CAAf,GAAmBA,SAAS,EAA7D,CAAb;AACA;AACD;AApBD;AAsBD;AACF;;AACD,WAAO;AACL0B,WAAK,EAAE5C,IAAI,CAAC6C,IAAL,CAAY,CAACV,mBAAmB,GAAG,CAAvB,IAA4B,EAA7B,GAAmCR,mBAAmB,GAAG,CAAzD,GAA6DC,oBAAoB,GAAG,CAA/F,CADF;AAELkB,YAAM,EAAG,CAAC,IAAIT,gBAAL,KAA0BD,yBAAyB,GAAG,CAAtD,IAA2D,EAA5D,GAAmE,CAACC,gBAAgB,GAAG,CAAH,GAAO,CAAxB,KAA8BR,kBAAkB,GAAGC,qBAAnD,CAFtE;AAGLY,gBAAU,EAAEA;AAHP,KAAP;AAKD,G;;SAEDK,a,GAAA,yBAAiB;AACf;AACA,SAAK7B,SAAL,GAFe,CAGf;;AACA,SAAKJ,OAAL,GAJe,CAKf;;AACA,WAAO,KAAKA,OAAL,EAAP;AACD,G;;;;;AAGYtB,mEAAf,E;;ACjTA;;;AAIA;;IAEMwD,6B;;;AACJ,8BAAanL,QAAb,EAAuBC,MAAvB,EAA+BmL,WAA/B,EAA4CC,UAA5C,EAAwD;AACtD,SAAKD,WAAL,GAAmBA,WAAnB;AACA,SAAKC,UAAL,GAAkBA,UAAlB;AACA,SAAKC,SAAL,GAAiB,IAAIvL,eAAJ,CAAcC,QAAd,EAAwBC,MAAxB,EAAgC;AAAE9B,wBAAkB,EAAE;AAAtB,KAAhC,CAAjB;AACD;;;;SAEDoN,a,GAAA,uBAAeC,aAAf,EAA8B9K,QAA9B,EAAwC;AACtC,SAAK4K,SAAL,CAAehR,OAAf,CAAuBkR,aAAvB,EAAsC,KAAKJ,WAAL,CAAiB5Q,GAAjB,CAAqBM,MAA3D,EAAmE,KAAKsQ,WAAL,CAAiBhR,EAAjB,CAAoBU,MAAvF,EAA+F4F,QAA/F;AACD,G,CAED;;;SACA+K,gB,GAAA,0BAAkB/G,OAAlB,EAA2BgH,WAA3B,EAAwChL,QAAxC,EAAkDiL,IAAlD,EAAwD;AACtD,QAAIC,OAAO,GAAGlH,OAAO,CAACgH,WAAD,CAAP,CAAqBnH,IAAnC;AACA,QAAIiH,aAAa,GAAGI,OAAO,CAACpH,QAAR,CAAiB,EAAjB,EAAqBoH,OAAO,CAACtO,MAAR,GAAiBsO,OAAO,CAACtO,MAAR,GAAiB,EAAvD,CAApB;AACA,QAAIuO,eAAe,GAAGL,aAAa,CAAC1Q,MAAd,CAAqBM,KAArB,CACpBoQ,aAAa,CAACM,UADM,EAEpBN,aAAa,CAACM,UAAd,GAA2BN,aAAa,CAAClO,MAFrB,CAAtB;AAIA,QAAIyO,SAAS,GAAG,IAAhB;AACA,SAAKR,aAAL,CAAmBM,eAAnB,EAAoC,UAAUG,aAAV,EAAyB;AAC3DA,mBAAa,GAAG,IAAI/D,UAAJ,CAAe+D,aAAf,CAAhB;AACAJ,aAAO,CAACvD,GAAR,CAAY2D,aAAZ,EAA2B,EAA3B;;AAEA,UAAI,CAACL,IAAL,EAAW;AACTI,iBAAS,CAACE,iBAAV,CAA4BvH,OAA5B,EAAqCgH,WAAW,GAAG,CAAnD,EAAsDhL,QAAtD;AACD;AACF,KAPD;AAQD,G;;SAEDuL,iB,GAAA,2BAAmBvH,OAAnB,EAA4BgH,WAA5B,EAAyChL,QAAzC,EAAmD;AACjD,YAAQgL,WAAW,EAAnB,EAAuB;AACrB,UAAIA,WAAW,IAAIhH,OAAO,CAACpH,MAA3B,EAAmC;AACjCoD,gBAAQ;AACR;AACD;;AAED,UAAIgE,OAAO,CAACgH,WAAD,CAAP,CAAqBnH,IAArB,CAA0BjH,MAA1B,GAAmC,EAAvC,EAA2C;AACzC;AACD;;AAED,UAAIqO,IAAI,GAAG,KAAKL,SAAL,CAAe9K,MAAf,EAAX;AAEA,WAAKiL,gBAAL,CAAsB/G,OAAtB,EAA+BgH,WAA/B,EAA4ChL,QAA5C,EAAsDiL,IAAtD;;AAEA,UAAI,CAACA,IAAL,EAAW;AACT;AACD;AACF;AACF,G,CAED;;;SACAO,mB,GAAA,6BAAqBC,WAArB,EAAkC;AAChC,QAAIC,gBAAgB,GAAGjE,IAAI,CAACkE,KAAL,CAAW,CAACF,WAAW,CAAC7O,MAAZ,GAAqB,EAAtB,IAA4B,GAAvC,IAA8C,EAA9C,GAAmD,EAA1E;AACA,QAAIkO,aAAa,GAAG,IAAIc,SAAJ,CAAcF,gBAAd,CAApB;AACA,QAAIG,SAAS,GAAG,CAAhB;;AACA,SAAK,IAAIC,QAAQ,GAAG,EAApB,EAAwBA,QAAQ,IAAIL,WAAW,CAAC7O,MAAZ,GAAqB,EAAzD,EAA6DkP,QAAQ,IAAI,GAAZ,EAAiBD,SAAS,IAAI,EAA3F,EAA+F;AAC7Ff,mBAAa,CAACnD,GAAd,CAAkB8D,WAAW,CAAC3H,QAAZ,CAAqBgI,QAArB,EAA+BA,QAAQ,GAAG,EAA1C,CAAlB,EAAiED,SAAjE;AACD;;AAED,WAAOf,aAAP;AACD,G;;SAEDiB,mB,GAAA,6BAAqBN,WAArB,EAAkCH,aAAlC,EAAiD;AAC/CA,iBAAa,GAAG,IAAI/D,UAAJ,CAAe+D,aAAf,CAAhB;AACA,QAAIQ,QAAQ,GAAG,CAAf;;AACA,SAAK,IAAID,SAAS,GAAG,EAArB,EAAyBA,SAAS,IAAIJ,WAAW,CAAC7O,MAAZ,GAAqB,EAA3D,EAA+DiP,SAAS,IAAI,GAAb,EAAkBC,QAAQ,IAAI,EAA7F,EAAiG;AAC/FL,iBAAW,CAAC9D,GAAZ,CAAgB2D,aAAa,CAACxH,QAAd,CAAuBgI,QAAvB,EAAiCA,QAAQ,GAAG,EAA5C,CAAhB,EAAiED,SAAjE;AACD;;AAED,WAAOJ,WAAP;AACD,G;;SAEDO,gB,GAAA,0BAAkBhI,OAAlB,EAA2BgH,WAA3B,EAAwCiB,SAAxC,EAAmDjM,QAAnD,EAA6DkL,OAA7D,EAAsED,IAAtE,EAA4E;AAC1E,QAAIQ,WAAW,GAAG,KAAKd,UAAL,CAAgBO,OAAO,CAACrR,IAAxB,CAAlB;AACA,QAAIiR,aAAa,GAAG,KAAKU,mBAAL,CAAyBC,WAAzB,CAApB;AACA,QAAIJ,SAAS,GAAG,IAAhB;AAEA,SAAKR,aAAL,CAAmBC,aAAa,CAAC1Q,MAAjC,EAAyC,UAAUkR,aAAV,EAAyB;AAChEJ,aAAO,CAACrR,IAAR,GAAewR,SAAS,CAACU,mBAAV,CAA8BN,WAA9B,EAA2CH,aAA3C,CAAf;;AAEA,UAAI,CAACL,IAAL,EAAW;AACTI,iBAAS,CAACa,iBAAV,CAA4BlI,OAA5B,EAAqCgH,WAArC,EAAkDiB,SAAS,GAAG,CAA9D,EAAiEjM,QAAjE;AACD;AACF,KAND;AAOD,G;;SAEDkM,iB,GAAA,2BAAmBlI,OAAnB,EAA4BgH,WAA5B,EAAyCiB,SAAzC,EAAoDjM,QAApD,EAA8D;AAC5D,YAAQgL,WAAW,IAAIiB,SAAS,GAAG,CAAnC,EAAsC;AACpC,UAAIjB,WAAW,IAAIhH,OAAO,CAACpH,MAA3B,EAAmC;AACjCoD,gBAAQ;AACR;AACD;;AAED,UAAImM,QAAQ,GAAGnI,OAAO,CAACgH,WAAD,CAAP,CAAqBoB,KAApC;;AACA,cAAQH,SAAS,EAAjB,EAAqB;AACnB,YAAIA,SAAS,IAAIE,QAAQ,CAACvP,MAA1B,EAAkC;AAChC;AACD;;AAED,YAAIsO,OAAO,GAAGiB,QAAQ,CAACF,SAAD,CAAtB;;AACA,YAAIf,OAAO,CAACtO,MAAR,IAAkB,EAAlB,IAAyBsO,OAAO,CAAClK,IAAR,KAAiB,CAAjB,IAAsBkK,OAAO,CAAClK,IAAR,KAAiB,CAApE,EAAwE;AACtE;AACD;;AAED,YAAIiK,IAAI,GAAG,KAAKL,SAAL,CAAe9K,MAAf,EAAX;AAEA,aAAKkM,gBAAL,CAAsBhI,OAAtB,EAA+BgH,WAA/B,EAA4CiB,SAA5C,EAAuDjM,QAAvD,EAAiEkL,OAAjE,EAA0ED,IAA1E;;AAEA,YAAI,CAACA,IAAL,EAAW;AACT;AACD;AACF;AACF;AACF,G;;;;;AAGYR,4EAAf,E;;AC3HA;;;;;;;;;;AAWA;AACA;AACA;AACA;CAEA;;AACA;AACA;CAGA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AACA,IAAM4B,oBAAoB,GAAG;AAC3BC,OAAK,EAAE,CADoB;AAE3BC,OAAK,EAAE,CAFoB;AAG3BC,KAAG,EAAE,CAHsB;AAI3BC,MAAI,EAAE;AAJqB,CAA7B;;IAOMC,mB;;;AACJ,qBAAapN,QAAb,EAAuB8E,OAAvB,EAAgC7E,MAAhC,EAAwCoN,aAAxC,EAAuD;AACrD,SAAKrN,QAAL,GAAgBA,QAAhB;AACA,SAAKC,MAAL,GAAcA,MAAd;AACA,SAAKoN,aAAL,GAAqBA,aAArB;AACA,SAAKvI,OAAL,GAAeA,OAAf;AACA,SAAKwI,SAAL,GAAiB,IAAjB;AACD;;;;SAEDC,c,GAAA,wBAAgBnC,WAAhB,EAA6B;AAC3B,QAAKA,WAAW,IAAI,IAAhB,IAA0BA,WAAW,CAAC5Q,GAAZ,IAAmB,IAA7C,IAAuD4Q,WAAW,CAACoC,MAAZ,KAAuB,YAAlF,EAAiG;AAC/F,WAAKF,SAAL,GAAiB,IAAInC,UAAJ,CAAuB,KAAKnL,QAA5B,EAAsC,KAAKC,MAA3C,EAAmDmL,WAAnD,EAAgE,KAAKC,UAArE,CAAjB;AACD,KAFD,MAEO;AACL,WAAKiC,SAAL,GAAiB,IAAjB;AACD;AACF,G;;YAEM9J,K,GAAP,eAAcjJ,IAAd,EAAoB;AAClB,QAAMkT,UAAU,GAAGL,SAAS,CAACM,WAAV,CAAsBnT,IAAtB,CAAnB;;AACA,QAAIkT,UAAU,GAAG,CAAjB,EAAoB;AAClB,aAAO,KAAP;AACD,KAFD,MAEO;AACL,UAAIA,UAAJ,EAAgB;AACd9M,wBAAM,CAACgN,IAAP,2DAAoEF,UAApE;AACD;;AAED,aAAO,IAAP;AACD;AACF,G;;YAEMC,W,GAAP,qBAAoBnT,IAApB,EAA0B;AACxB;AACA,QAAMqT,UAAU,GAAGzF,IAAI,CAACC,GAAL,CAAS,IAAT,EAAe7N,IAAI,CAAC+C,MAAL,GAAc,IAAI,GAAjC,CAAnB;AACA,QAAIrB,CAAC,GAAG,CAAR;;AACA,WAAOA,CAAC,GAAG2R,UAAX,EAAuB;AACrB;AACA,UAAIrT,IAAI,CAAC0B,CAAD,CAAJ,KAAY,IAAZ,IAAoB1B,IAAI,CAAC0B,CAAC,GAAG,GAAL,CAAJ,KAAkB,IAAtC,IAA8C1B,IAAI,CAAC0B,CAAC,GAAG,IAAI,GAAT,CAAJ,KAAsB,IAAxE,EAA8E;AAC5E,eAAOA,CAAP;AACD,OAFD,MAEO;AACLA,SAAC;AACF;AACF;;AACD,WAAO,CAAC,CAAR;AACD;AAED;;;;;;;;;YAOO4R,W,GAAP,qBAAoBnM,IAApB,EAA0BwD,QAA1B,EAAoC;AAClC,WAAO;AACLE,eAAS,EAAE1D,IAAI,KAAK,OAAT,IAAoBA,IAAI,KAAK,OAA7B,GAAuC,YAAvC,GAAsD9B,SAD5D;AAEL8B,UAAI,EAAJA,IAFK;AAGL2D,QAAE,EAAE0H,oBAAoB,CAACrL,IAAD,CAHnB;AAILoM,SAAG,EAAE,CAAC,CAJD;AAKLrI,oBAAc,EAAE,KALX;AAMLH,oBAAc,EAAE,CANX;AAOLZ,aAAO,EAAE,EAPJ;AAQLqJ,aAAO,EAAErM,IAAI,KAAK,OAAT,GAAmB,CAAnB,GAAuB9B,SAR3B;AASL2F,WAAK,EAAE7D,IAAI,KAAK,OAAT,GAAmB,IAAnB,GAA0B9B,SAT5B;AAULsF,cAAQ,EAAExD,IAAI,KAAK,OAAT,GAAmBwD,QAAnB,GAA8BtF;AAVnC,KAAP;AAYD;AAED;;;;;;;;;;;;SAUAmF,gB,GAAA,0BAAkBC,WAAlB,EAA+B7C,UAA/B,EAA2C8C,UAA3C,EAAuDC,QAAvD,EAAiE;AAC/D,SAAK8I,SAAL,GAAiB,KAAjB;AACA,SAAKC,MAAL,GAAc,CAAC,CAAf;AAEA,SAAKC,SAAL,GAAiBd,SAAS,CAACS,WAAV,CAAsB,OAAtB,EAA+B3I,QAA/B,CAAjB;AACA,SAAKC,WAAL,GAAmBiI,SAAS,CAACS,WAAV,CAAsB,OAAtB,EAA+B3I,QAA/B,CAAnB;AACA,SAAKiJ,SAAL,GAAiBf,SAAS,CAACS,WAAV,CAAsB,KAAtB,EAA6B3I,QAA7B,CAAjB;AACA,SAAKkJ,SAAL,GAAiBhB,SAAS,CAACS,WAAV,CAAsB,MAAtB,EAA8B3I,QAA9B,CAAjB,CAP+D,CAS/D;;AACA,SAAKmJ,WAAL,GAAmB,IAAnB;AACA,SAAKC,UAAL,GAAkB,IAAlB;AACA,SAAKC,SAAL,GAAiB,IAAjB;AACA,SAAKpM,UAAL,GAAkBA,UAAlB;AACA,SAAK8C,UAAL,GAAkBA,UAAlB;AACA,SAAKuJ,SAAL,GAAiBtJ,QAAjB;AACD;AAED;;;;;;SAIAQ,c,GAAA,0BAAkB,CAAE,C,CAEpB;;;SACAK,M,GAAA,gBAAQxL,IAAR,EAAcyL,UAAd,EAA0BC,UAA1B,EAAsCC,kBAAtC,EAA0D;AACxD,QAAIuI,KAAJ;AAAA,QAAWjJ,GAAG,GAAGjL,IAAI,CAAC+C,MAAtB;AAAA,QAA8BoR,GAA9B;AAAA,QAAmCZ,GAAnC;AAAA,QAAwCa,GAAxC;AAAA,QAA6CtR,MAA7C;AAAA,QAAqDuR,GAArD;AAAA,QACEC,WAAW,GAAG,KADhB;AAEA,SAAK5I,UAAL,GAAkBA,UAAlB;;AACA,QAAI+H,SAAS,GAAG,KAAKA,SAArB;AAAA,QACEc,QAAQ,GAAG,KAAKZ,SADlB;AAAA,QAEEa,UAAU,GAAG,KAAK5J,WAFpB;AAAA,QAGE6J,QAAQ,GAAG,KAAKb,SAHlB;AAAA,QAIEc,KAAK,GAAGH,QAAQ,CAAChB,GAJnB;AAAA,QAKEoB,OAAO,GAAGH,UAAU,CAACjB,GALvB;AAAA,QAMEqB,KAAK,GAAGH,QAAQ,CAAClB,GANnB;AAAA,QAOEsB,KAAK,GAAG,KAAKnB,MAPf;AAAA,QAQEoB,OAAO,GAAGP,QAAQ,CAACQ,OARrB;AAAA,QASEC,SAAS,GAAGR,UAAU,CAACO,OATzB;AAAA,QAUE3J,OAAO,GAAGqJ,QAAQ,CAACM,OAVrB;AAAA,QAWEE,QAAQ,GAAG,KAAKC,SAXlB;AAAA,QAYEC,QAAQ,GAAG,KAAKC,SAZlB;AAAA,QAaEC,QAAQ,GAAG,KAAKC,SAblB;AAAA,QAcEC,WAAW,GAAG,KAAKC,YAAL,CAAkBrF,IAAlB,CAAuB,IAAvB,CAdhB;AAAA,QAeEsF,WAAW,GAAG,KAAKC,YAAL,CAAkBvF,IAAlB,CAAuB,IAAvB,CAfhB;AAAA,QAgBEwF,YAAY,GAAG,KAAKC,aAAL,CAAmBzF,IAAnB,CAAwB,IAAxB,CAhBjB;AAAA,QAiBE0F,WAAW,GAAG,KAAKC,YAAL,CAAkB3F,IAAlB,CAAuB,IAAvB,CAjBhB;;AAmBA,QAAM+C,UAAU,GAAGL,SAAS,CAACM,WAAV,CAAsBnT,IAAtB,CAAnB,CAvBwD,CAyBxD;;;AACAiL,OAAG,IAAI,CAACA,GAAG,GAAGiI,UAAP,IAAqB,GAA5B,CA1BwD,CA4BxD;;AACA,SAAKgB,KAAK,GAAGhB,UAAb,EAAyBgB,KAAK,GAAGjJ,GAAjC,EAAsCiJ,KAAK,IAAI,GAA/C,EAAoD;AAClD,UAAIlU,IAAI,CAACkU,KAAD,CAAJ,KAAgB,IAApB,EAA0B;AACxBC,WAAG,GAAG,CAAC,EAAEnU,IAAI,CAACkU,KAAK,GAAG,CAAT,CAAJ,GAAkB,IAApB,CAAP,CADwB,CAExB;;AACAX,WAAG,GAAG,CAAC,CAACvT,IAAI,CAACkU,KAAK,GAAG,CAAT,CAAJ,GAAkB,IAAnB,KAA4B,CAA7B,IAAkClU,IAAI,CAACkU,KAAK,GAAG,CAAT,CAA5C;AACAE,WAAG,GAAG,CAACpU,IAAI,CAACkU,KAAK,GAAG,CAAT,CAAJ,GAAkB,IAAnB,KAA4B,CAAlC,CAJwB,CAKxB;;AACA,YAAIE,GAAG,GAAG,CAAV,EAAa;AACXtR,gBAAM,GAAGoR,KAAK,GAAG,CAAR,GAAYlU,IAAI,CAACkU,KAAK,GAAG,CAAT,CAAzB,CADW,CAEX;;AACA,cAAIpR,MAAM,KAAMoR,KAAK,GAAG,GAAxB,EAA8B;AAC5B;AACD;AACF,SAND,MAMO;AACLpR,gBAAM,GAAGoR,KAAK,GAAG,CAAjB;AACD;;AACD,gBAAQX,GAAR;AACA,eAAKmB,KAAL;AACE,gBAAIP,GAAJ,EAAS;AACP,kBAAIW,OAAO,KAAKT,GAAG,GAAGgB,QAAQ,CAACP,OAAD,CAAnB,CAAX,EAA0C;AACxCS,2BAAW,CAAClB,GAAD,EAAM,KAAN,CAAX;AACD;;AAEDS,qBAAO,GAAG;AAAE9U,oBAAI,EAAE,EAAR;AAAYmO,oBAAI,EAAE;AAAlB,eAAV;AACD;;AACD,gBAAI2G,OAAJ,EAAa;AACXA,qBAAO,CAAC9U,IAAR,CAAaoK,IAAb,CAAkBpK,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBoR,KAAK,GAAG,GAA9B,CAAlB;AACAY,qBAAO,CAAC3G,IAAR,IAAgB+F,KAAK,GAAG,GAAR,GAAcpR,MAA9B;AACD;;AACD;;AACF,eAAK6R,OAAL;AACE,gBAAIR,GAAJ,EAAS;AACP,kBAAIa,SAAS,KAAKX,GAAG,GAAGgB,QAAQ,CAACL,SAAD,CAAnB,CAAb,EAA8C;AAC5C,oBAAIR,UAAU,CAACxJ,KAAf,EAAsB;AACpByK,6BAAW,CAACpB,GAAD,CAAX;AACD,iBAFD,MAEO;AACLsB,8BAAY,CAACtB,GAAD,CAAZ;AACD;AACF;;AACDW,uBAAS,GAAG;AAAEhV,oBAAI,EAAE,EAAR;AAAYmO,oBAAI,EAAE;AAAlB,eAAZ;AACD;;AACD,gBAAI6G,SAAJ,EAAe;AACbA,uBAAS,CAAChV,IAAV,CAAeoK,IAAf,CAAoBpK,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBoR,KAAK,GAAG,GAA9B,CAApB;AACAc,uBAAS,CAAC7G,IAAV,IAAkB+F,KAAK,GAAG,GAAR,GAAcpR,MAAhC;AACD;;AACD;;AACF,eAAK8R,KAAL;AACE,gBAAIT,GAAJ,EAAS;AACP,kBAAI/I,OAAO,KAAKiJ,GAAG,GAAGgB,QAAQ,CAACjK,OAAD,CAAnB,CAAX,EAA0C;AACxCyK,2BAAW,CAACxB,GAAD,CAAX;AACD;;AAEDjJ,qBAAO,GAAG;AAAEpL,oBAAI,EAAE,EAAR;AAAYmO,oBAAI,EAAE;AAAlB,eAAV;AACD;;AACD,gBAAI/C,OAAJ,EAAa;AACXA,qBAAO,CAACpL,IAAR,CAAaoK,IAAb,CAAkBpK,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBoR,KAAK,GAAG,GAA9B,CAAlB;AACA9I,qBAAO,CAAC+C,IAAR,IAAgB+F,KAAK,GAAG,GAAR,GAAcpR,MAA9B;AACD;;AACD;;AACF,eAAK,CAAL;AACE,gBAAIqR,GAAJ,EAAS;AACPrR,oBAAM,IAAI9C,IAAI,CAAC8C,MAAD,CAAJ,GAAe,CAAzB;AACD;;AAED+R,iBAAK,GAAG,KAAKnB,MAAL,GAAcuB,QAAQ,CAACjV,IAAD,EAAO8C,MAAP,CAA9B;AACA;;AACF,eAAK+R,KAAL;AACE,gBAAIV,GAAJ,EAAS;AACPrR,oBAAM,IAAI9C,IAAI,CAAC8C,MAAD,CAAJ,GAAe,CAAzB;AACD;;AAED,gBAAIiT,UAAU,GAAGZ,QAAQ,CAACnV,IAAD,EAAO8C,MAAP,EAAe,KAAKgQ,aAAL,CAAmBkD,IAAnB,KAA4B,IAA5B,IAAoC,KAAKlD,aAAL,CAAmBmD,GAAnB,KAA2B,IAA9E,EAAoF,KAAKlD,SAAL,IAAkB,IAAtG,CAAzB,CALF,CAOE;AACA;AACA;AACA;AACA;AACA;;AACA2B,iBAAK,GAAGqB,UAAU,CAACG,GAAnB;;AACA,gBAAIxB,KAAK,GAAG,CAAZ,EAAe;AACbH,sBAAQ,CAAChB,GAAT,GAAemB,KAAf;AACD;;AAEDC,mBAAO,GAAGoB,UAAU,CAACrD,KAArB;;AACA,gBAAIiC,OAAO,GAAG,CAAd,EAAiB;AACfH,wBAAU,CAACjB,GAAX,GAAiBoB,OAAjB;AACAH,wBAAU,CAACxJ,KAAX,GAAmB+K,UAAU,CAAC/K,KAA9B;AACD;;AACD4J,iBAAK,GAAGmB,UAAU,CAACpD,GAAnB;;AACA,gBAAIiC,KAAK,GAAG,CAAZ,EAAe;AACbH,sBAAQ,CAAClB,GAAT,GAAeqB,KAAf;AACD;;AAED,gBAAIN,WAAW,IAAI,CAACb,SAApB,EAA+B;AAC7BrN,8BAAM,CAACC,GAAP,CAAW,wBAAX;AACAiO,yBAAW,GAAG,KAAd,CAF6B,CAG7B;;AACAJ,mBAAK,GAAGhB,UAAU,GAAG,GAArB;AACD;;AACDO,qBAAS,GAAG,KAAKA,SAAL,GAAiB,IAA7B;AACA;;AACF,eAAK,EAAL;AACA,eAAK,MAAL;AACE;;AACF;AACEa,uBAAW,GAAG,IAAd;AACA;AA3FF;AA6FD,OA5GD,MA4GO;AACL,aAAK7O,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACC,KAA5B,EAAmC;AAAEC,cAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,iBAAO,EAAEC,sBAAY,CAACe,kBAAtD;AAA0Eb,eAAK,EAAE,KAAjF;AAAwFC,gBAAM,EAAE;AAAhG,SAAnC;AACD;AACF,KA7IuD,CA8IxD;;;AACA,QAAIoN,OAAO,KAAKT,GAAG,GAAGgB,QAAQ,CAACP,OAAD,CAAnB,CAAX,EAA0C;AACxCS,iBAAW,CAAClB,GAAD,EAAM,IAAN,CAAX;AACAE,cAAQ,CAACQ,OAAT,GAAmB,IAAnB;AACD,KAHD,MAGO;AACL;AACAR,cAAQ,CAACQ,OAAT,GAAmBD,OAAnB;AACD;;AAED,QAAIE,SAAS,KAAKX,GAAG,GAAGgB,QAAQ,CAACL,SAAD,CAAnB,CAAb,EAA8C;AAC5C,UAAIR,UAAU,CAACxJ,KAAf,EAAsB;AACpByK,mBAAW,CAACpB,GAAD,CAAX;AACD,OAFD,MAEO;AACLsB,oBAAY,CAACtB,GAAD,CAAZ;AACD;;AAEDG,gBAAU,CAACO,OAAX,GAAqB,IAArB;AACD,KARD,MAQO;AACL,UAAIC,SAAS,IAAIA,SAAS,CAAC7G,IAA3B,EAAiC;AAC/B/H,wBAAM,CAACC,GAAP,CAAW,+DAAX;AACD,OAHI,CAKL;;;AACAmO,gBAAU,CAACO,OAAX,GAAqBC,SAArB;AACD;;AAED,QAAI5J,OAAO,KAAKiJ,GAAG,GAAGgB,QAAQ,CAACjK,OAAD,CAAnB,CAAX,EAA0C;AACxCyK,iBAAW,CAACxB,GAAD,CAAX;AACAI,cAAQ,CAACM,OAAT,GAAmB,IAAnB;AACD,KAHD,MAGO;AACL;AACAN,cAAQ,CAACM,OAAT,GAAmB3J,OAAnB;AACD;;AAED,QAAI,KAAK2H,SAAL,IAAkB,IAAtB,EAA4B;AAC1B,WAAKxI,OAAL,CAAayB,KAAb,CAAmBwI,UAAnB,EAA+BD,QAA/B,EAAyCE,QAAzC,EAAmD,KAAKZ,SAAxD,EAAmEpI,UAAnE,EAA+EC,UAA/E,EAA2FC,kBAA3F;AACD,KAFD,MAEO;AACL,WAAKwK,eAAL,CAAqB3B,UAArB,EAAiCD,QAAjC,EAA2CE,QAA3C,EAAqD,KAAKZ,SAA1D,EAAqEpI,UAArE,EAAiFC,UAAjF,EAA6FC,kBAA7F;AACD;AACF,G;;SAEDwK,e,GAAA,yBAAiB3B,UAAjB,EAA6B4B,UAA7B,EAAyC3B,QAAzC,EAAmD4B,SAAnD,EAA8D5K,UAA9D,EAA0EC,UAA1E,EAAsFC,kBAAtF,EAA0G;AACxG,QAAI6I,UAAU,CAACrK,OAAX,IAAsBqK,UAAU,CAACxJ,KAArC,EAA4C;AAC1C,UAAIwG,SAAS,GAAG,IAAhB;AACA,WAAKuB,SAAL,CAAerB,iBAAf,CAAiC8C,UAAU,CAACrK,OAA5C,EAAqD,CAArD,EAAwD,YAAY;AAClEqH,iBAAS,CAAC8E,kBAAV,CAA6B9B,UAA7B,EAAyC4B,UAAzC,EAAqD3B,QAArD,EAA+D4B,SAA/D,EAA0E5K,UAA1E,EAAsFC,UAAtF,EAAkGC,kBAAlG;AACD,OAFD;AAGD,KALD,MAKO;AACL,WAAK2K,kBAAL,CAAwB9B,UAAxB,EAAoC4B,UAApC,EAAgD3B,QAAhD,EAA0D4B,SAA1D,EAAqE5K,UAArE,EAAiFC,UAAjF,EAA6FC,kBAA7F;AACD;AACF,G;;SAED2K,kB,GAAA,4BAAoB9B,UAApB,EAAgC4B,UAAhC,EAA4C3B,QAA5C,EAAsD4B,SAAtD,EAAiE5K,UAAjE,EAA6EC,UAA7E,EAAyFC,kBAAzF,EAA6G;AAC3G,QAAIyK,UAAU,CAACjM,OAAf,EAAwB;AACtB,UAAIqH,SAAS,GAAG,IAAhB;AACA,WAAKuB,SAAL,CAAeV,iBAAf,CAAiC+D,UAAU,CAACjM,OAA5C,EAAqD,CAArD,EAAwD,CAAxD,EAA2D,YAAY;AACrEqH,iBAAS,CAACjH,OAAV,CAAkByB,KAAlB,CAAwBwI,UAAxB,EAAoC4B,UAApC,EAAgD3B,QAAhD,EAA0D4B,SAA1D,EAAqE5K,UAArE,EAAiFC,UAAjF,EAA6FC,kBAA7F;AACD,OAFD;AAGD,KALD,MAKO;AACL,WAAKpB,OAAL,CAAayB,KAAb,CAAmBwI,UAAnB,EAA+B4B,UAA/B,EAA2C3B,QAA3C,EAAqD4B,SAArD,EAAgE5K,UAAhE,EAA4EC,UAA5E,EAAwFC,kBAAxF;AACD;AACF,G;;SAEDvG,O,GAAA,mBAAW;AACT,SAAKmR,QAAL,GAAgB,KAAKC,QAAL,GAAgBnR,SAAhC;AACA,SAAK4O,SAAL,GAAiB,CAAjB;AACD,G;;SAEDiB,S,GAAA,mBAAWlV,IAAX,EAAiB8C,MAAjB,EAAyB;AACvB;AACA,WAAO,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,EAAV,CAAJ,GAAoB,IAArB,KAA8B,CAA9B,GAAkC9C,IAAI,CAAC8C,MAAM,GAAG,EAAV,CAA7C,CAFuB,CAGvB;AACD,G;;SAEDsS,S,GAAA,mBAAWpV,IAAX,EAAiB8C,MAAjB,EAAyB2T,aAAzB,EAAwCC,WAAxC,EAAqD;AACnD,QAAIC,aAAJ;AAAA,QAAmBC,QAAnB;AAAA,QAA6BC,iBAA7B;AAAA,QAAgDtD,GAAhD;AAAA,QAAqD1M,MAAM,GAAG;AAAE6L,WAAK,EAAE,CAAC,CAAV;AAAawD,SAAG,EAAE,CAAC,CAAnB;AAAsBvD,SAAG,EAAE,CAAC,CAA5B;AAA+B3H,WAAK,EAAE;AAAtC,KAA9D;AACA2L,iBAAa,GAAG,CAAC3W,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,CAA7B,GAAiC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAArD;AACA8T,YAAQ,GAAG9T,MAAM,GAAG,CAAT,GAAa6T,aAAb,GAA6B,CAAxC,CAHmD,CAInD;AACA;;AACAE,qBAAiB,GAAG,CAAC7W,IAAI,CAAC8C,MAAM,GAAG,EAAV,CAAJ,GAAoB,IAArB,KAA8B,CAA9B,GAAkC9C,IAAI,CAAC8C,MAAM,GAAG,EAAV,CAA1D,CANmD,CAOnD;;AACAA,UAAM,IAAI,KAAK+T,iBAAf;;AACA,WAAO/T,MAAM,GAAG8T,QAAhB,EAA0B;AACxBrD,SAAG,GAAG,CAACvT,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,CAA7B,GAAiC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAA3C;;AACA,cAAQ9C,IAAI,CAAC8C,MAAD,CAAZ;AACA,aAAK,IAAL;AAAW;AACT,cAAI,CAAC4T,WAAL,EAAkB;AAChBtQ,4BAAM,CAACC,GAAP,CAAW,yBAAyBrG,IAAI,CAAC8C,MAAD,CAAxC;AACA;AACD;;AACD;AAEA;;AACF,aAAK,IAAL;AACE;AACA,cAAI+D,MAAM,CAAC6L,KAAP,KAAiB,CAAC,CAAtB,EAAyB;AACvB7L,kBAAM,CAAC6L,KAAP,GAAea,GAAf;AACD;;AAED;AAEA;;AACF,aAAK,IAAL;AACE;AACA,cAAI1M,MAAM,CAAC8L,GAAP,KAAe,CAAC,CAApB,EAAuB;AACrB9L,kBAAM,CAAC8L,GAAP,GAAaY,GAAb;AACD;;AAED;;AAEF,aAAK,IAAL;AAAW;AACT,cAAI,CAACmD,WAAL,EAAkB;AAChBtQ,4BAAM,CAACC,GAAP,CAAW,yBAAyBrG,IAAI,CAAC8C,MAAD,CAAxC;AACA;AACD;;AACD;AAEA;;AACF,aAAK,IAAL;AACE;AACA,cAAI+D,MAAM,CAACqP,GAAP,KAAe,CAAC,CAApB,EAAuB;AACrBrP,kBAAM,CAACqP,GAAP,GAAa3C,GAAb;AACD;;AAED;AAEA;AACA;;AACF,aAAK,IAAL;AACA,aAAK,IAAL;AACE;AACA,cAAI,CAACkD,aAAL,EAAoB;AAClBrQ,4BAAM,CAACC,GAAP,CAAW,yDAAX;AACD,WAFD,MAEO,IAAIQ,MAAM,CAAC6L,KAAP,KAAiB,CAAC,CAAtB,EAAyB;AAC9B7L,kBAAM,CAAC6L,KAAP,GAAea,GAAf;AACA1M,kBAAM,CAACmE,KAAP,GAAe,KAAf;AACD;;AACD;;AAEF,aAAK,IAAL;AACE5E,0BAAM,CAACgN,IAAP,CAAY,+CAAZ;AACA;;AAEF;AACEhN,0BAAM,CAACC,GAAP,CAAW,yBAAyBrG,IAAI,CAAC8C,MAAD,CAAxC;AACA;AA7DF,OAFwB,CAiExB;AACA;;;AACAA,YAAM,IAAI,CAAC,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,CAA7B,GAAiC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAtC,IAAsD,CAAhE;AACD;;AACD,WAAO+D,MAAP;AACD,G;;SAEDyO,S,GAAA,mBAAWwB,MAAX,EAAmB;AACjB,QAAIpV,CAAC,GAAG,CAAR;AAAA,QAAWqV,IAAX;AAAA,QAAiBC,QAAjB;AAAA,QAA2BC,SAA3B;AAAA,QAAsCC,MAAtC;AAAA,QAA8CC,SAA9C;AAAA,QAAyDpC,OAAzD;AAAA,QAAkEqC,MAAlE;AAAA,QAA0EC,MAA1E;AAAA,QAAkFC,kBAAlF;AAAA,QAAsGtX,IAAI,GAAG8W,MAAM,CAAC9W,IAApH,CADiB,CAEjB;;AACA,QAAI,CAAC8W,MAAD,IAAWA,MAAM,CAAC3I,IAAP,KAAgB,CAA/B,EAAkC;AAChC,aAAO,IAAP;AACD,KALgB,CAOjB;AACA;AACA;;;AACA,WAAOnO,IAAI,CAAC,CAAD,CAAJ,CAAQ+C,MAAR,GAAiB,EAAjB,IAAuB/C,IAAI,CAAC+C,MAAL,GAAc,CAA5C,EAA+C;AAC7C,UAAIwU,OAAO,GAAG,IAAI7J,UAAJ,CAAe1N,IAAI,CAAC,CAAD,CAAJ,CAAQ+C,MAAR,GAAiB/C,IAAI,CAAC,CAAD,CAAJ,CAAQ+C,MAAxC,CAAd;AACAwU,aAAO,CAACzJ,GAAR,CAAY9N,IAAI,CAAC,CAAD,CAAhB;AACAuX,aAAO,CAACzJ,GAAR,CAAY9N,IAAI,CAAC,CAAD,CAAhB,EAAqBA,IAAI,CAAC,CAAD,CAAJ,CAAQ+C,MAA7B;AACA/C,UAAI,CAAC,CAAD,CAAJ,GAAUuX,OAAV;AACAvX,UAAI,CAACwX,MAAL,CAAY,CAAZ,EAAe,CAAf;AACD,KAhBgB,CAiBjB;;;AACAT,QAAI,GAAG/W,IAAI,CAAC,CAAD,CAAX;AACAiX,aAAS,GAAG,CAACF,IAAI,CAAC,CAAD,CAAJ,IAAW,EAAZ,KAAmBA,IAAI,CAAC,CAAD,CAAJ,IAAW,CAA9B,IAAmCA,IAAI,CAAC,CAAD,CAAnD;;AACA,QAAIE,SAAS,KAAK,CAAlB,EAAqB;AACnBC,YAAM,GAAG,CAACH,IAAI,CAAC,CAAD,CAAJ,IAAW,CAAZ,IAAiBA,IAAI,CAAC,CAAD,CAA9B,CADmB,CAEnB;AACA;;AACA,UAAIG,MAAM,IAAIA,MAAM,GAAGJ,MAAM,CAAC3I,IAAP,GAAc,CAArC,EAAwC;AACtC,eAAO,IAAP;AACD;;AAED6I,cAAQ,GAAGD,IAAI,CAAC,CAAD,CAAf;;AACA,UAAIC,QAAQ,GAAG,IAAf,EAAqB;AACnB;;;AAGAI,cAAM,GAAG,CAACL,IAAI,CAAC,CAAD,CAAJ,GAAU,IAAX,IAAmB,SAAnB,GAA8B;AACrC,SAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,OADb,GACsB;AAC7B,SAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,KAFb,GAEoB;AAC3B,SAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,GAHb,GAGkB;AACzB,SAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,CAJtB,CAJmB,CASnB;;AACA,YAAIK,MAAM,GAAG,UAAb,EAAyB;AACvB;AACAA,gBAAM,IAAI,UAAV;AACD;;AACD,YAAIJ,QAAQ,GAAG,IAAf,EAAqB;AACnBK,gBAAM,GAAG,CAACN,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,SAApB,GAA+B;AACtC,WAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,OADb,GACsB;AAC7B,WAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,KAFb,GAEoB;AAC3B,WAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,GAHb,GAGkB;AACzB,WAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,CAJtB,CADmB,CAMnB;;AACA,cAAIM,MAAM,GAAG,UAAb,EAAyB;AACvB;AACAA,kBAAM,IAAI,UAAV;AACD;;AACD,cAAID,MAAM,GAAGC,MAAT,GAAkB,KAAK,KAA3B,EAAkC;AAChCjR,4BAAM,CAACgN,IAAP,CAAexF,IAAI,CAAC6J,KAAL,CAAW,CAACL,MAAM,GAAGC,MAAV,IAAoB,KAA/B,CAAf;AACAD,kBAAM,GAAGC,MAAT;AACD;AACF,SAfD,MAeO;AACLA,gBAAM,GAAGD,MAAT;AACD;AACF;;AACDD,eAAS,GAAGJ,IAAI,CAAC,CAAD,CAAhB,CA1CmB,CA2CnB;;AACAO,wBAAkB,GAAGH,SAAS,GAAG,CAAjC;;AAEA,UAAIL,MAAM,CAAC3I,IAAP,IAAemJ,kBAAnB,EAAuC;AACrC,eAAO,IAAP;AACD;;AACDR,YAAM,CAAC3I,IAAP,IAAemJ,kBAAf,CAjDmB,CAkDnB;;AACAvC,aAAO,GAAG,IAAIrH,UAAJ,CAAeoJ,MAAM,CAAC3I,IAAtB,CAAV;;AACA,WAAK,IAAIiB,CAAC,GAAG,CAAR,EAAWsI,OAAO,GAAG1X,IAAI,CAAC+C,MAA/B,EAAuCqM,CAAC,GAAGsI,OAA3C,EAAoDtI,CAAC,EAArD,EAAyD;AACvD2H,YAAI,GAAG/W,IAAI,CAACoP,CAAD,CAAX;AACA,YAAInE,GAAG,GAAG8L,IAAI,CAACtW,UAAf;;AACA,YAAI6W,kBAAJ,EAAwB;AACtB,cAAIA,kBAAkB,GAAGrM,GAAzB,EAA8B;AAC5B;AACAqM,8BAAkB,IAAIrM,GAAtB;AACA;AACD,WAJD,MAIO;AACL;AACA8L,gBAAI,GAAGA,IAAI,CAAC9M,QAAL,CAAcqN,kBAAd,CAAP;AACArM,eAAG,IAAIqM,kBAAP;AACAA,8BAAkB,GAAG,CAArB;AACD;AACF;;AACDvC,eAAO,CAACjH,GAAR,CAAYiJ,IAAZ,EAAkBrV,CAAlB;AACAA,SAAC,IAAIuJ,GAAL;AACD;;AACD,UAAIiM,MAAJ,EAAY;AACV;AACAA,cAAM,IAAIC,SAAS,GAAG,CAAtB;AACD;;AACD,aAAO;AAAEnX,YAAI,EAAE+U,OAAR;AAAiBtL,WAAG,EAAE2N,MAAtB;AAA8BlN,WAAG,EAAEmN,MAAnC;AAA2CpM,WAAG,EAAEiM;AAAhD,OAAP;AACD,KA3ED,MA2EO;AACL,aAAO,IAAP;AACD;AACF,G;;SAEDS,a,GAAA,uBAAe3D,SAAf,EAA0BO,QAA1B,EAAoC;AAClC,QAAIP,SAAS,CAACzB,KAAV,CAAgBxP,MAAhB,IAA0BiR,SAAS,CAACjI,KAAxC,EAA+C;AAC7C,UAAM5B,OAAO,GAAGoK,QAAQ,CAACpK,OAAzB;AACA,UAAMyN,SAAS,GAAGzN,OAAO,CAACpH,MAA1B,CAF6C,CAG7C;;AACA,UAAI8U,KAAK,CAAC7D,SAAS,CAACvK,GAAX,CAAT,EAA0B;AACxB,YAAImO,SAAJ,EAAe;AACb,cAAME,UAAU,GAAG3N,OAAO,CAACyN,SAAS,GAAG,CAAb,CAA1B;AACA5D,mBAAS,CAACvK,GAAV,GAAgBqO,UAAU,CAACrO,GAA3B;AACAuK,mBAAS,CAAC9J,GAAV,GAAgB4N,UAAU,CAAC5N,GAA3B;AACD,SAJD,MAIO;AACL;AACAqK,kBAAQ,CAACf,OAAT;AACA;AACD;AACF,OAd4C,CAe7C;AACA;AACA;AACA;;;AACA,UAAI,CAAC,KAAK9N,MAAL,CAAYqS,4BAAb,IACA/D,SAAS,CAAC/T,GAAV,KAAkB,IADlB,IAECsU,QAAQ,CAACyD,GAAT,KAAiBJ,SAAS,IAAI,KAAKlM,UAAnC,CAFL,EAEsD;AACpDsI,iBAAS,CAAClJ,EAAV,GAAe8M,SAAf;AACAzN,eAAO,CAACC,IAAR,CAAa4J,SAAb;AACD,OALD,MAKO;AACL;AACAO,gBAAQ,CAACf,OAAT;AACD;AACF;;AACD,QAAIQ,SAAS,CAACiE,KAAV,CAAgBlV,MAApB,EAA4B;AAC1BqD,sBAAM,CAACC,GAAP,CAAW2N,SAAS,CAACvK,GAAV,GAAgB,GAAhB,GAAsBuK,SAAS,CAAC9J,GAAhC,GAAsC,GAAtC,GAA4C8J,SAAS,CAACiE,KAAjE;AACD;AACF,G;;SAEDzC,Y,GAAA,sBAAcnB,GAAd,EAAmB6D,IAAnB,EAAyB;AAAA;;AACvB;AACA,QAAI5O,KAAK,GAAG,KAAKqK,SAAjB;AAAA,QACEpB,KAAK,GAAG,KAAK4F,aAAL,CAAmB9D,GAAG,CAACrU,IAAvB,CADV;AAAA,QAEEiY,KAAK,GAAG,KAFV;AAAA,QAGEG,gBAHF;AAAA,QAIEpE,SAAS,GAAG,KAAKA,SAJnB;AAAA,QAKE5J,IALF;AAAA,QAMEiO,QAAQ,GAAG,KANb;AAAA,QAOE3W,CAPF;AAAA,QAQEiW,aAAa,GAAG,KAAKA,aAAL,CAAmBxH,IAAnB,CAAwB,IAAxB,CARlB;AAAA,QASEmI,eAAe,GAAG,SAAlBA,eAAkB,CAAUrY,GAAV,EAAewJ,GAAf,EAAoBS,GAApB,EAAyB+N,KAAzB,EAAgC;AAChD,aAAO;AAAEhY,WAAG,EAAEA,GAAP;AAAYwJ,WAAG,EAAEA,GAAjB;AAAsBS,WAAG,EAAEA,GAA3B;AAAgCqI,aAAK,EAAE,EAAvC;AAA2C0F,aAAK,EAAEA;AAAlD,OAAP;AACD,KAXH,CAFuB,CAcvB;;;AACA5D,OAAG,CAACrU,IAAJ,GAAW,IAAX,CAfuB,CAiBvB;AACA;;AACA,QAAIgU,SAAS,IAAIzB,KAAK,CAACxP,MAAnB,IAA6B,CAACuG,KAAK,CAACiP,QAAxC,EAAkD;AAChDZ,mBAAa,CAAC3D,SAAD,EAAY1K,KAAZ,CAAb;AACA0K,eAAS,GAAG,KAAKA,SAAL,GAAiBsE,eAAe,CAAC,KAAD,EAAQjE,GAAG,CAAC5K,GAAZ,EAAiB4K,GAAG,CAACnK,GAArB,EAA0B,EAA1B,CAA5C;AACD;;AAEDqI,SAAK,CAACiG,OAAN,CAAc,UAAAxO,IAAI,EAAI;AACpB,cAAQA,IAAI,CAAC7C,IAAb;AACA;AACA,aAAK,CAAL;AACEiD,cAAI,GAAG,IAAP;;AACA,cAAI,CAAC4J,SAAL,EAAgB;AACdA,qBAAS,GAAG,KAAI,CAACA,SAAL,GAAiBsE,eAAe,CAAC,IAAD,EAAOjE,GAAG,CAAC5K,GAAX,EAAgB4K,GAAG,CAACnK,GAApB,EAAyB,EAAzB,CAA5C;AACD;;AAED,cAAI+N,KAAJ,EAAW;AACTjE,qBAAS,CAACiE,KAAV,IAAmB,MAAnB;AACD;;AAEDjE,mBAAS,CAACjI,KAAV,GAAkB,IAAlB;AACA,cAAI/L,IAAI,GAAGgK,IAAI,CAAChK,IAAhB,CAXF,CAYE;;AACA,cAAIqY,QAAQ,IAAIrY,IAAI,CAAC+C,MAAL,GAAc,CAA9B,EAAiC;AAC/B;AACA,gBAAI0V,SAAS,GAAG,IAAIrL,UAAJ,CAAcpN,IAAd,EAAoB2Q,aAApB,EAAhB,CAF+B,CAG/B;AACA;AACA;AACA;AACA;;AACA,gBAAI8H,SAAS,KAAK,CAAd,IAAmBA,SAAS,KAAK,CAAjC,IAAsCA,SAAS,KAAK,CAApD,IAAyDA,SAAS,KAAK,CAA3E,EAA8E;AAC5EzE,uBAAS,CAAC/T,GAAV,GAAgB,IAAhB;AACD;AACF;;AACD;AACA;;AACF,aAAK,CAAL;AACEmK,cAAI,GAAG,IAAP,CADF,CAEE;;AACA,cAAI,CAAC4J,SAAL,EAAgB;AACdA,qBAAS,GAAG,KAAI,CAACA,SAAL,GAAiBsE,eAAe,CAAC,IAAD,EAAOjE,GAAG,CAAC5K,GAAX,EAAgB4K,GAAG,CAACnK,GAApB,EAAyB,EAAzB,CAA5C;AACD;;AAED,cAAI+N,KAAJ,EAAW;AACTjE,qBAAS,CAACiE,KAAV,IAAmB,MAAnB;AACD;;AAEDjE,mBAAS,CAAC/T,GAAV,GAAgB,IAAhB;AACA+T,mBAAS,CAACjI,KAAV,GAAkB,IAAlB;AACA;AACA;;AACF,aAAK,CAAL;AACE3B,cAAI,GAAG,IAAP;;AACA,cAAI6N,KAAK,IAAIjE,SAAb,EAAwB;AACtBA,qBAAS,CAACiE,KAAV,IAAmB,MAAnB;AACD;;AAEDG,0BAAgB,GAAG,IAAIhL,UAAJ,CAAc,KAAI,CAAC0D,UAAL,CAAgB9G,IAAI,CAAChK,IAArB,CAAd,CAAnB,CANF,CAQE;;AACAoY,0BAAgB,CAACtJ,SAAjB;AAEA,cAAI4J,WAAW,GAAG,CAAlB;AACA,cAAIC,WAAW,GAAG,CAAlB;AACA,cAAIC,aAAa,GAAG,KAApB;AACA,cAAIC,CAAC,GAAG,CAAR;;AAEA,iBAAO,CAACD,aAAD,IAAkBR,gBAAgB,CAAC/K,cAAjB,GAAkC,CAA3D,EAA8D;AAC5DqL,uBAAW,GAAG,CAAd;;AACA,eAAG;AACDG,eAAC,GAAGT,gBAAgB,CAACtJ,SAAjB,EAAJ;AACA4J,yBAAW,IAAIG,CAAf;AACD,aAHD,QAGSA,CAAC,KAAK,IAHf,EAF4D,CAO5D;;;AACAF,uBAAW,GAAG,CAAd;;AACA,eAAG;AACDE,eAAC,GAAGT,gBAAgB,CAACtJ,SAAjB,EAAJ;AACA6J,yBAAW,IAAIE,CAAf;AACD,aAHD,QAGSA,CAAC,KAAK,IAHf,EAT4D,CAc5D;AACA;;;AACA,gBAAIH,WAAW,KAAK,CAAhB,IAAqBN,gBAAgB,CAAC/K,cAAjB,KAAoC,CAA7D,EAAgE;AAC9DuL,2BAAa,GAAG,IAAhB;AAEA,kBAAIE,WAAW,GAAGV,gBAAgB,CAACtJ,SAAjB,EAAlB;;AAEA,kBAAIgK,WAAW,KAAK,GAApB,EAAyB;AACvB,oBAAIC,YAAY,GAAGX,gBAAgB,CAACrJ,UAAjB,EAAnB;;AAEA,oBAAIgK,YAAY,KAAK,EAArB,EAAyB;AACvB,sBAAIC,aAAa,GAAGZ,gBAAgB,CAACpJ,QAAjB,EAApB;;AAEA,sBAAIgK,aAAa,KAAK,UAAtB,EAAkC;AAChC,wBAAIC,YAAY,GAAGb,gBAAgB,CAACtJ,SAAjB,EAAnB,CADgC,CAGhC;;AACA,wBAAImK,YAAY,KAAK,CAArB,EAAwB;AACtB,0BAAIC,SAAS,GAAGd,gBAAgB,CAACtJ,SAAjB,EAAhB;AACA,0BAAIqK,UAAU,GAAGf,gBAAgB,CAACtJ,SAAjB,EAAjB;AAEA,0BAAIsK,QAAQ,GAAG,KAAKF,SAApB;AACA,0BAAIG,SAAS,GAAG,CAACH,SAAD,EAAYC,UAAZ,CAAhB;;AAEA,2BAAKzX,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG0X,QAAhB,EAA0B1X,CAAC,EAA3B,EAA+B;AAC7B;AACA2X,iCAAS,CAACjP,IAAV,CAAegO,gBAAgB,CAACtJ,SAAjB,EAAf;AACAuK,iCAAS,CAACjP,IAAV,CAAegO,gBAAgB,CAACtJ,SAAjB,EAAf;AACAuK,iCAAS,CAACjP,IAAV,CAAegO,gBAAgB,CAACtJ,SAAjB,EAAf;AACD;;AAED,2BAAI,CAACwK,oBAAL,CAA0B,KAAI,CAACzF,SAAL,CAAe1J,OAAzC,EAAkD;AAAEhD,4BAAI,EAAE,CAAR;AAAWsC,2BAAG,EAAE4K,GAAG,CAAC5K,GAApB;AAAyB8P,6BAAK,EAAEF;AAAhC,uBAAlD;AACD;AACF;AACF;AACF;AACF,aAlCD,MAkCO,IAAIX,WAAW,KAAK,CAAhB,IAAqBN,gBAAgB,CAAC/K,cAAjB,KAAoC,CAA7D,EAAgE;AACrEuL,2BAAa,GAAG,IAAhB;;AAEA,kBAAID,WAAW,GAAG,EAAlB,EAAsB;AACpB,oBAAMa,YAAY,GAAG,EAArB;;AACA,qBAAK9X,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG,EAAhB,EAAoBA,CAAC,EAArB,EAAyB;AACvB8X,8BAAY,CAACpP,IAAb,CAAkBgO,gBAAgB,CAACtJ,SAAjB,GAA6B2K,QAA7B,CAAsC,EAAtC,CAAlB;;AAEA,sBAAI/X,CAAC,KAAK,CAAN,IAAWA,CAAC,KAAK,CAAjB,IAAsBA,CAAC,KAAK,CAA5B,IAAiCA,CAAC,KAAK,CAA3C,EAA8C;AAC5C8X,gCAAY,CAACpP,IAAb,CAAkB,GAAlB;AACD;AACF;;AACD,oBAAMrH,MAAM,GAAG4V,WAAW,GAAG,EAA7B;AACA,oBAAMe,oBAAoB,GAAG,IAAIhM,UAAJ,CAAe3K,MAAf,CAA7B;;AACA,qBAAKrB,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGqB,MAAhB,EAAwBrB,CAAC,EAAzB,EAA6B;AAC3BgY,sCAAoB,CAAChY,CAAD,CAApB,GAA0B0W,gBAAgB,CAACtJ,SAAjB,EAA1B;AACD;;AAED,qBAAI,CAACwK,oBAAL,CAA0B,KAAI,CAACzF,SAAL,CAAe1J,OAAzC,EAAkD;AAChDV,qBAAG,EAAE4K,GAAG,CAAC5K,GADuC;AAEhDiP,6BAAW,EAAEA,WAFmC;AAGhDiB,sBAAI,EAAEH,YAAY,CAACI,IAAb,CAAkB,EAAlB,CAH0C;AAIhDC,+BAAa,EAAEH,oBAJiC;AAKhDI,0BAAQ,EAAEC,6BAAc,CAACL,oBAAoB,CAACnZ,MAAtB;AALwB,iBAAlD;AAOD;AACF,aA1BM,MA0BA,IAAIoY,WAAW,GAAGP,gBAAgB,CAAC/K,cAAnC,EAAmD;AACxD,mBAAK3L,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGiX,WAAhB,EAA6BjX,CAAC,EAA9B,EAAkC;AAChC0W,gCAAgB,CAACtJ,SAAjB;AACD;AACF;AACF;;AACD;AACA;;AACF,aAAK,CAAL;AACE1E,cAAI,GAAG,IAAP;AACAiO,kBAAQ,GAAG,IAAX;;AACA,cAAIJ,KAAK,IAAIjE,SAAb,EAAwB;AACtBA,qBAAS,CAACiE,KAAV,IAAmB,MAAnB;AACD;;AAED,cAAI,CAAC3O,KAAK,CAAC0O,GAAX,EAAgB;AACdI,4BAAgB,GAAG,IAAIhL,UAAJ,CAAcpD,IAAI,CAAChK,IAAnB,CAAnB;AACA,gBAAI0F,MAAM,GAAG0S,gBAAgB,CAAC9I,OAAjB,EAAb;AACAhG,iBAAK,CAACkH,KAAN,GAAc9K,MAAM,CAAC8K,KAArB;AACAlH,iBAAK,CAACoH,MAAN,GAAehL,MAAM,CAACgL,MAAtB;AACApH,iBAAK,CAACgH,UAAN,GAAmB5K,MAAM,CAAC4K,UAA1B;AACAhH,iBAAK,CAAC0O,GAAN,GAAY,CAAChO,IAAI,CAAChK,IAAN,CAAZ;AACAsJ,iBAAK,CAACqB,QAAN,GAAiB,KAAI,CAACsJ,SAAtB;AACA,gBAAI+F,UAAU,GAAGhQ,IAAI,CAAChK,IAAL,CAAUiK,QAAV,CAAmB,CAAnB,EAAsB,CAAtB,CAAjB;AACA,gBAAIgQ,WAAW,GAAG,OAAlB;;AACA,iBAAKvY,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG,CAAhB,EAAmBA,CAAC,EAApB,EAAwB;AACtB,kBAAIwY,CAAC,GAAGF,UAAU,CAACtY,CAAD,CAAV,CAAc+X,QAAd,CAAuB,EAAvB,CAAR;;AACA,kBAAIS,CAAC,CAACnX,MAAF,GAAW,CAAf,EAAkB;AAChBmX,iBAAC,GAAG,MAAMA,CAAV;AACD;;AAEDD,yBAAW,IAAIC,CAAf;AACD;;AACD5Q,iBAAK,CAACV,KAAN,GAAcqR,WAAd;AACD;;AACD;AACA;;AACF,aAAK,CAAL;AACE7P,cAAI,GAAG,IAAP;;AACA,cAAI6N,KAAK,IAAIjE,SAAb,EAAwB;AACtBA,qBAAS,CAACiE,KAAV,IAAmB,MAAnB;AACD;;AAED,cAAI,CAAC3O,KAAK,CAAC6Q,GAAX,EAAgB;AACd7Q,iBAAK,CAAC6Q,GAAN,GAAY,CAACnQ,IAAI,CAAChK,IAAN,CAAZ;AACD;;AAED;AACA;;AACF,aAAK,CAAL;AACEoK,cAAI,GAAG,KAAP;AACAd,eAAK,CAACiP,QAAN,GAAiB,IAAjB;;AACA,cAAIvE,SAAJ,EAAe;AACb2D,yBAAa,CAAC3D,SAAD,EAAY1K,KAAZ,CAAb;AACD;;AAED0K,mBAAS,GAAG,KAAI,CAACA,SAAL,GAAiBsE,eAAe,CAAC,KAAD,EAAQjE,GAAG,CAAC5K,GAAZ,EAAiB4K,GAAG,CAACnK,GAArB,EAA0B+N,KAAK,GAAG,MAAH,GAAY,EAA3C,CAA5C;AACA;AACA;;AACF,aAAK,EAAL;AACE7N,cAAI,GAAG,KAAP;AACA;;AACF;AACEA,cAAI,GAAG,KAAP;;AACA,cAAI4J,SAAJ,EAAe;AACbA,qBAAS,CAACiE,KAAV,IAAmB,iBAAiBjO,IAAI,CAAC7C,IAAtB,GAA6B,GAAhD;AACD;;AAED;AA5MF;;AA8MA,UAAI6M,SAAS,IAAI5J,IAAjB,EAAuB;AACrB,YAAImI,MAAK,GAAGyB,SAAS,CAACzB,KAAtB;;AACAA,cAAK,CAACnI,IAAN,CAAWJ,IAAX;AACD;AACF,KAnND,EAxBuB,CA4OvB;;AACA,QAAIkO,IAAI,IAAIlE,SAAZ,EAAuB;AACrB2D,mBAAa,CAAC3D,SAAD,EAAY1K,KAAZ,CAAb;AACA,WAAK0K,SAAL,GAAiB,IAAjB;AACD;AACF,G;;SAEDsF,oB,GAAA,8BAAsBc,GAAtB,EAA2Bpa,IAA3B,EAAiC;AAC/B,QAAIiL,GAAG,GAAGmP,GAAG,CAACrX,MAAd;;AACA,QAAIkI,GAAG,GAAG,CAAV,EAAa;AACX,UAAIjL,IAAI,CAACyJ,GAAL,IAAY2Q,GAAG,CAACnP,GAAG,GAAG,CAAP,CAAH,CAAaxB,GAA7B,EAAkC;AAChC2Q,WAAG,CAAChQ,IAAJ,CAASpK,IAAT;AACD,OAFD,MAEO;AACL,aAAK,IAAIqa,GAAG,GAAGpP,GAAG,GAAG,CAArB,EAAwBoP,GAAG,IAAI,CAA/B,EAAkCA,GAAG,EAArC,EAAyC;AACvC,cAAIra,IAAI,CAACyJ,GAAL,GAAW2Q,GAAG,CAACC,GAAD,CAAH,CAAS5Q,GAAxB,EAA6B;AAC3B2Q,eAAG,CAAC5C,MAAJ,CAAW6C,GAAX,EAAgB,CAAhB,EAAmBra,IAAnB;AACA;AACD;AACF;AACF;AACF,KAXD,MAWO;AACLoa,SAAG,CAAChQ,IAAJ,CAASpK,IAAT;AACD;AACF,G;;SAEDsa,e,GAAA,2BAAmB;AACjB,QAAItG,SAAS,GAAG,KAAKA,SAArB;AAAA,QAAgCuG,QAAhC,CADiB,CAEjB;;AACA,QAAI,CAACvG,SAAD,IAAcA,SAAS,CAACzB,KAAV,CAAgBxP,MAAhB,KAA2B,CAA7C,EAAgD;AAC9C,UAAIuG,KAAK,GAAG,KAAKqK,SAAjB;AAAA,UAA4BxJ,OAAO,GAAGb,KAAK,CAACa,OAA5C;AACA6J,eAAS,GAAG7J,OAAO,CAACA,OAAO,CAACpH,MAAR,GAAiB,CAAlB,CAAnB;AACD;;AACD,QAAIiR,SAAJ,EAAe;AACb,UAAIzB,KAAK,GAAGyB,SAAS,CAACzB,KAAtB;AACAgI,cAAQ,GAAGhI,KAAK,CAACA,KAAK,CAACxP,MAAN,GAAe,CAAhB,CAAhB;AACD;;AACD,WAAOwX,QAAP;AACD,G;;SAEDpC,a,GAAA,uBAAeqC,KAAf,EAAsB;AACpB,QAAI9Y,CAAC,GAAG,CAAR;AAAA,QAAWuJ,GAAG,GAAGuP,KAAK,CAAC/Z,UAAvB;AAAA,QAAmCga,KAAnC;AAAA,QAA0CC,QAA1C;AAAA,QAAoDpR,KAAK,GAAG,KAAKqK,SAAjE;AAAA,QAA4EgH,KAAK,GAAGrR,KAAK,CAACsR,SAAN,IAAmB,CAAvG;AAAA,QAA0GC,SAAS,GAAGF,KAAtH;AACA,QAAIpI,KAAK,GAAG,EAAZ;AAAA,QAAgBvI,IAAhB;AAAA,QAAsB8Q,QAAtB;AAAA,QAAgCC,aAAa,GAAG,CAAC,CAAjD;AAAA,QAAoDC,YAApD,CAFoB,CAGpB;;AAEA,QAAIL,KAAK,KAAK,CAAC,CAAf,EAAkB;AAClB;AACEI,mBAAa,GAAG,CAAhB,CAFgB,CAGhB;;AACAC,kBAAY,GAAGR,KAAK,CAAC,CAAD,CAAL,GAAW,IAA1B;AACAG,WAAK,GAAG,CAAR;AACAjZ,OAAC,GAAG,CAAJ;AACD;;AAED,WAAOA,CAAC,GAAGuJ,GAAX,EAAgB;AACdwP,WAAK,GAAGD,KAAK,CAAC9Y,CAAC,EAAF,CAAb,CADc,CAEd;;AACA,UAAI,CAACiZ,KAAL,EAAY;AACVA,aAAK,GAAGF,KAAK,GAAG,CAAH,GAAO,CAApB;AACA;AACD;;AACD,UAAIE,KAAK,KAAK,CAAd,EAAiB;AACfA,aAAK,GAAGF,KAAK,GAAG,CAAH,GAAO,CAApB;AACA;AACD,OAVa,CAWd;;;AACA,UAAI,CAACA,KAAL,EAAY;AACVE,aAAK,GAAG,CAAR;AACD,OAFD,MAEO,IAAIF,KAAK,KAAK,CAAd,EAAiB;AACtB,YAAIM,aAAa,IAAI,CAArB,EAAwB;AACtB/Q,cAAI,GAAG;AAAEhK,gBAAI,EAAEwa,KAAK,CAACvQ,QAAN,CAAe8Q,aAAf,EAA8BrZ,CAAC,GAAGiZ,KAAJ,GAAY,CAA1C,CAAR;AAAsDxT,gBAAI,EAAE6T;AAA5D,WAAP,CADsB,CAEtB;;AACAzI,eAAK,CAACnI,IAAN,CAAWJ,IAAX;AACD,SAJD,MAIO;AACL;AACA;AACA;AACA;AACA,cAAIuQ,QAAQ,GAAG,KAAKD,eAAL,EAAf;;AACA,cAAIC,QAAJ,EAAc;AACZ,gBAAIM,SAAS,IAAKnZ,CAAC,IAAI,IAAImZ,SAA3B,EAAuC;AACrC;AACA;AACA;AACA,kBAAIN,QAAQ,CAACI,KAAb,EAAoB;AAClB;AACAJ,wBAAQ,CAACva,IAAT,GAAgBua,QAAQ,CAACva,IAAT,CAAciK,QAAd,CAAuB,CAAvB,EAA0BsQ,QAAQ,CAACva,IAAT,CAAcS,UAAd,GAA2Boa,SAArD,CAAhB;AACD;AACF,aATW,CAUZ;;;AACAH,oBAAQ,GAAGhZ,CAAC,GAAGiZ,KAAJ,GAAY,CAAvB;;AACA,gBAAID,QAAQ,GAAG,CAAf,EAAkB;AAChB;AACA,kBAAIO,GAAG,GAAG,IAAIvN,UAAJ,CAAe6M,QAAQ,CAACva,IAAT,CAAcS,UAAd,GAA2Bia,QAA1C,CAAV;AACAO,iBAAG,CAACnN,GAAJ,CAAQyM,QAAQ,CAACva,IAAjB,EAAuB,CAAvB;AACAib,iBAAG,CAACnN,GAAJ,CAAQ0M,KAAK,CAACvQ,QAAN,CAAe,CAAf,EAAkByQ,QAAlB,CAAR,EAAqCH,QAAQ,CAACva,IAAT,CAAcS,UAAnD;AACA8Z,sBAAQ,CAACva,IAAT,GAAgBib,GAAhB;AACD;AACF;AACF,SA/BqB,CAgCtB;;;AACA,YAAIvZ,CAAC,GAAGuJ,GAAR,EAAa;AACX6P,kBAAQ,GAAGN,KAAK,CAAC9Y,CAAD,CAAL,GAAW,IAAtB,CADW,CAEX;;AACAqZ,uBAAa,GAAGrZ,CAAhB;AACAsZ,sBAAY,GAAGF,QAAf;AACAH,eAAK,GAAG,CAAR;AACD,SAND,MAMO;AACL;AACAA,eAAK,GAAG,CAAC,CAAT;AACD;AACF,OA3CM,MA2CA;AACLA,aAAK,GAAG,CAAR;AACD;AACF;;AACD,QAAII,aAAa,IAAI,CAAjB,IAAsBJ,KAAK,IAAI,CAAnC,EAAsC;AACpC3Q,UAAI,GAAG;AAAEhK,YAAI,EAAEwa,KAAK,CAACvQ,QAAN,CAAe8Q,aAAf,EAA8B9P,GAA9B,CAAR;AAA4C9D,YAAI,EAAE6T,YAAlD;AAAgEL,aAAK,EAAEA;AAAvE,OAAP;AACApI,WAAK,CAACnI,IAAN,CAAWJ,IAAX,EAFoC,CAGpC;AACD,KA/EmB,CAgFpB;;;AACA,QAAIuI,KAAK,CAACxP,MAAN,KAAiB,CAArB,EAAwB;AACtB;AACA,UAAIwX,SAAQ,GAAG,KAAKD,eAAL,EAAf;;AACA,UAAIC,SAAJ,EAAc;AACZ,YAAIU,IAAG,GAAG,IAAIvN,UAAJ,CAAe6M,SAAQ,CAACva,IAAT,CAAcS,UAAd,GAA2B+Z,KAAK,CAAC/Z,UAAhD,CAAV;;AACAwa,YAAG,CAACnN,GAAJ,CAAQyM,SAAQ,CAACva,IAAjB,EAAuB,CAAvB;;AACAib,YAAG,CAACnN,GAAJ,CAAQ0M,KAAR,EAAeD,SAAQ,CAACva,IAAT,CAAcS,UAA7B;;AACA8Z,iBAAQ,CAACva,IAAT,GAAgBib,IAAhB;AACD;AACF;;AACD3R,SAAK,CAACsR,SAAN,GAAkBD,KAAlB;AACA,WAAOpI,KAAP;AACD;AAED;;;;;SAGAzB,U,GAAA,oBAAY9Q,IAAZ,EAAkB;AAChB,QAAI+C,MAAM,GAAG/C,IAAI,CAACS,UAAlB;AAAA,QACEya,YAAY,GAAG,EADjB;AAAA,QAEExZ,CAAC,GAAG,CAFN;AAAA,QAGEyZ,SAHF;AAAA,QAGa5D,OAHb,CADgB,CAMhB;;AACA,WAAO7V,CAAC,GAAGqB,MAAM,GAAG,CAApB,EAAuB;AACrB,UAAI/C,IAAI,CAAC0B,CAAD,CAAJ,KAAY,CAAZ,IACA1B,IAAI,CAAC0B,CAAC,GAAG,CAAL,CAAJ,KAAgB,CADhB,IAEA1B,IAAI,CAAC0B,CAAC,GAAG,CAAL,CAAJ,KAAgB,IAFpB,EAE0B;AACxBwZ,oBAAY,CAAC9Q,IAAb,CAAkB1I,CAAC,GAAG,CAAtB;AACAA,SAAC,IAAI,CAAL;AACD,OALD,MAKO;AACLA,SAAC;AACF;AACF,KAhBe,CAkBhB;AACA;;;AACA,QAAIwZ,YAAY,CAACnY,MAAb,KAAwB,CAA5B,EAA+B;AAC7B,aAAO/C,IAAP;AACD,KAtBe,CAwBhB;;;AACAmb,aAAS,GAAGpY,MAAM,GAAGmY,YAAY,CAACnY,MAAlC;AACAwU,WAAO,GAAG,IAAI7J,UAAJ,CAAeyN,SAAf,CAAV;AACA,QAAIC,WAAW,GAAG,CAAlB;;AAEA,SAAK1Z,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGyZ,SAAhB,EAA2BC,WAAW,IAAI1Z,CAAC,EAA3C,EAA+C;AAC7C,UAAI0Z,WAAW,KAAKF,YAAY,CAAC,CAAD,CAAhC,EAAqC;AACnC;AACAE,mBAAW,GAFwB,CAGnC;;AACAF,oBAAY,CAACG,KAAb;AACD;;AACD9D,aAAO,CAAC7V,CAAD,CAAP,GAAa1B,IAAI,CAACob,WAAD,CAAjB;AACD;;AACD,WAAO7D,OAAP;AACD,G;;SAED7B,Y,GAAA,sBAAcrB,GAAd,EAAmB;AACjB,QAAI/K,KAAK,GAAG,KAAKsB,WAAjB;AAAA,QACE5K,IAAI,GAAGqU,GAAG,CAACrU,IADb;AAAA,QAEEyJ,GAAG,GAAG4K,GAAG,CAAC5K,GAFZ;AAAA,QAGE6R,WAAW,GAAG,CAHhB;AAAA,QAIExH,WAAW,GAAG,KAAKA,WAJrB;AAAA,QAKEC,UAAU,GAAG,KAAKA,UALpB;AAAA,QAMEpK,aANF;AAAA,QAMiBD,UANjB;AAAA,QAM6B5G,MAN7B;AAAA,QAMqC8G,KANrC;AAAA,QAM4CqB,GAN5C;;AAOA,QAAI6I,WAAJ,EAAiB;AACf,UAAImH,GAAG,GAAG,IAAIvN,UAAJ,CAAeoG,WAAW,CAACrT,UAAZ,GAAyBT,IAAI,CAACS,UAA7C,CAAV;AACAwa,SAAG,CAACnN,GAAJ,CAAQgG,WAAR,EAAqB,CAArB;AACAmH,SAAG,CAACnN,GAAJ,CAAQ9N,IAAR,EAAc8T,WAAW,CAACrT,UAA1B,EAHe,CAIf;;AACAT,UAAI,GAAGib,GAAP;AACD,KAdgB,CAejB;;;AACA,SAAKnY,MAAM,GAAGwY,WAAT,EAAsBrQ,GAAG,GAAGjL,IAAI,CAAC+C,MAAtC,EAA8CD,MAAM,GAAGmI,GAAG,GAAG,CAA7D,EAAgEnI,MAAM,EAAtE,EAA0E;AACxE,UAAIyI,QAAA,CAAcvL,IAAd,EAAoB8C,MAApB,CAAJ,EAAiC;AAC/B;AACD;AACF,KApBgB,CAqBjB;;;AACA,QAAIA,MAAJ,EAAY;AACV,UAAI4E,MAAJ,EAAYD,KAAZ;;AACA,UAAI3E,MAAM,GAAGmI,GAAG,GAAG,CAAnB,EAAsB;AACpBvD,cAAM,sDAAoD5E,MAA1D;AACA2E,aAAK,GAAG,KAAR;AACD,OAHD,MAGO;AACLC,cAAM,GAAG,iCAAT;AACAD,aAAK,GAAG,IAAR;AACD;;AACDrB,sBAAM,CAACgN,IAAP,oBAA6B1L,MAA7B;AACA,WAAKjC,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACC,KAA5B,EAAmC;AAAEC,YAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,eAAO,EAAEC,sBAAY,CAACe,kBAAtD;AAA0Eb,aAAK,EAAEA,KAAjF;AAAwFC,cAAM,EAAEA;AAAhG,OAAnC;;AACA,UAAID,KAAJ,EAAW;AACT;AACD;AACF;;AAED8D,mBAAA,CAAqBjC,KAArB,EAA4B,KAAK7D,QAAjC,EAA2CzF,IAA3C,EAAiD8C,MAAjD,EAAyD,KAAK8E,UAA9D;AACA8B,cAAU,GAAG,CAAb;AACAC,iBAAa,GAAG4B,gBAAA,CAAsBjC,KAAK,CAACZ,UAA5B,CAAhB,CAxCiB,CA0CjB;AACA;;AACA,QAAIoL,WAAW,IAAIC,UAAnB,EAA+B;AAC7B,UAAIwH,MAAM,GAAGxH,UAAU,GAAGpK,aAA1B;;AACA,UAAIiE,IAAI,CAAC4N,GAAL,CAASD,MAAM,GAAG9R,GAAlB,IAAyB,CAA7B,EAAgC;AAC9BrD,wBAAM,CAACC,GAAP,+CAAuDuH,IAAI,CAAC6J,KAAL,CAAW,CAAC8D,MAAM,GAAG9R,GAAV,IAAiB,EAA5B,CAAvD;AACAA,WAAG,GAAG8R,MAAN;AACD;AACF,KAlDgB,CAoDjB;;;AACA,WAAOzY,MAAM,GAAGmI,GAAhB,EAAqB;AACnB,UAAIM,QAAA,CAAcvL,IAAd,EAAoB8C,MAApB,CAAJ,EAAiC;AAC/B,YAAKA,MAAM,GAAG,CAAV,GAAemI,GAAnB,EAAwB;AACtB,cAAMc,KAAK,GAAGR,WAAA,CAAiBjC,KAAjB,EAAwBtJ,IAAxB,EAA8B8C,MAA9B,EAAsC2G,GAAtC,EAA2CC,UAA3C,CAAd;;AACA,cAAIqC,KAAJ,EAAW;AACTjJ,kBAAM,IAAIiJ,KAAK,CAAChJ,MAAhB;AACA6G,iBAAK,GAAGmC,KAAK,CAAC1B,MAAN,CAAaZ,GAArB;AACAC,sBAAU;AACV;AACD;AACF,SAT8B,CAU/B;AACA;;;AACA;AACD,OAbD,MAaO;AACL;AACA5G,cAAM;AACP;AACF;;AAED,QAAIA,MAAM,GAAGmI,GAAb,EAAkB;AAChB6I,iBAAW,GAAG9T,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBmI,GAAtB,CAAd,CADgB,CAEhB;AACD,KAHD,MAGO;AACL6I,iBAAW,GAAG,IAAd;AACD;;AAED,SAAKA,WAAL,GAAmBA,WAAnB;AACA,SAAKC,UAAL,GAAkBnK,KAAlB;AACD,G;;SAEDgM,a,GAAA,uBAAevB,GAAf,EAAoB;AAClB,QAAIrU,IAAI,GAAGqU,GAAG,CAACrU,IAAf;AACA,QAAI+C,MAAM,GAAG/C,IAAI,CAAC+C,MAAlB;AACA,QAAI2G,UAAU,GAAG,CAAjB;AACA,QAAI5G,MAAM,GAAG,CAAb;AACA,QAAI2G,GAAG,GAAG4K,GAAG,CAAC5K,GAAd;;AAEA,WAAO3G,MAAM,GAAGC,MAAhB,EAAwB;AACtB,UAAIkJ,SAAS,CAACjD,QAAV,CAAmBhJ,IAAnB,EAAyB8C,MAAzB,CAAJ,EAAsC;AACpC,YAAIiJ,KAAK,GAAGE,SAAS,CAACpC,WAAV,CAAsB,KAAKe,WAA3B,EAAwC5K,IAAxC,EAA8C8C,MAA9C,EAAsD2G,GAAtD,EAA2DC,UAA3D,CAAZ;;AACA,YAAIqC,KAAJ,EAAW;AACTjJ,gBAAM,IAAIiJ,KAAK,CAAChJ,MAAhB;AACA2G,oBAAU;AACX,SAHD,MAGO;AACL;AACA;AACD;AACF,OATD,MASO;AACL;AACA5G,cAAM;AACP;AACF;AACF,G;;SAEDgT,Y,GAAA,sBAAczB,GAAd,EAAmB;AACjB,SAAKT,SAAL,CAAezJ,OAAf,CAAuBC,IAAvB,CAA4BiK,GAA5B;AACD,G;;;;;AAGYxB,iEAAf,E;;ACzkCA;;;AAGA;AACA;AACA;;IAEM4I,qB;;;AACJ,sBAAahW,QAAb,EAAuB8E,OAAvB,EAAgC7E,MAAhC,EAAwC;AACtC,SAAKD,QAAL,GAAgBA,QAAhB;AACA,SAAKC,MAAL,GAAcA,MAAd;AACA,SAAK6E,OAAL,GAAeA,OAAf;AACD;;;;SAEDC,gB,GAAA,0BAAkBC,WAAlB,EAA+B7C,UAA/B,EAA2C8C,UAA3C,EAAuDC,QAAvD,EAAiE;AAC/D,SAAKC,WAAL,GAAmB;AAAEC,eAAS,EAAE,YAAb;AAA2B1D,UAAI,EAAE,OAAjC;AAA0C2D,QAAE,EAAE,CAAC,CAA/C;AAAkDC,oBAAc,EAAE,CAAlE;AAAqEC,WAAK,EAAE,KAA5E;AAAmFb,aAAO,EAAE,EAA5F;AAAgGc,SAAG,EAAE,CAArG;AAAwG7C,mBAAa,EAAER,UAAvH;AAAmI+C,cAAQ,EAAEA,QAA7I;AAAuJO,oBAAc,EAAE;AAAvK,KAAnB;AACD,G;;SAEDC,c,GAAA,0BAAkB,CACjB,C;;aAEMlC,K,GAAP,eAAcjJ,IAAd,EAAoB;AAClB;AACA,QAAI8C,MAAJ,EAAYC,MAAZ;AACA,QAAIqI,OAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB,CAArB,CAAd;;AACA,QAAIoL,OAAO,IAAIC,cAAG,CAACQ,YAAJ,CAAiBT,OAAjB,MAA8B/F,SAA7C,EAAwD;AACtD;AACA;AACA;AACA,WAAKvC,MAAM,GAAGsI,OAAO,CAACrI,MAAjB,EAAyBA,MAAM,GAAG6K,IAAI,CAACC,GAAL,CAAS7N,IAAI,CAAC+C,MAAL,GAAc,CAAvB,EAA0BD,MAAM,GAAG,GAAnC,CAAvC,EAAgFA,MAAM,GAAGC,MAAzF,EAAiGD,MAAM,EAAvG,EAA2G;AACzG,YAAImJ,SAAS,CAAChD,KAAV,CAAgBjJ,IAAhB,EAAsB8C,MAAtB,CAAJ,EAAmC;AACjCsD,0BAAM,CAACC,GAAP,CAAW,8BAAX;AACA,iBAAO,IAAP;AACD;AACF;AACF;;AACD,WAAO,KAAP;AACD,G,CAED;;;SACAmF,M,GAAA,gBAAQxL,IAAR,EAAcyL,UAAd,EAA0BC,UAA1B,EAAsCC,kBAAtC,EAA0D;AACxD,QAAIP,OAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB,CAArB,CAAd;AACA,QAAI4L,SAAS,GAAGP,cAAG,CAACQ,YAAJ,CAAiBT,OAAjB,CAAhB;AACA,QAAI3B,GAAG,GAAGmC,SAAS,GAAG,KAAKA,SAAR,GAAoBH,UAAU,GAAG,KAApD;AACA,QAAI3I,MAAM,GAAGsI,OAAO,CAACrI,MAArB;AACA,QAAIA,MAAM,GAAG/C,IAAI,CAAC+C,MAAlB;AACA,QAAI2G,UAAU,GAAG,CAAjB;AAAA,QAAoBE,KAAK,GAAG,CAA5B;AACA,QAAIN,KAAK,GAAG,KAAKsB,WAAjB;AAEA,QAAIkB,UAAU,GAAG,CAAC;AAAErC,SAAG,EAAEA,GAAP;AAAYS,SAAG,EAAET,GAAjB;AAAsBzJ,UAAI,EAAEoL;AAA5B,KAAD,CAAjB;;AAEA,WAAOtI,MAAM,GAAGC,MAAhB,EAAwB;AACtB,UAAIkJ,SAAS,CAACjD,QAAV,CAAmBhJ,IAAnB,EAAyB8C,MAAzB,CAAJ,EAAsC;AACpC,YAAIiJ,KAAK,GAAGE,SAAS,CAACpC,WAAV,CAAsBP,KAAtB,EAA6BtJ,IAA7B,EAAmC8C,MAAnC,EAA2C2G,GAA3C,EAAgDC,UAAhD,CAAZ;;AACA,YAAIqC,KAAJ,EAAW;AACTjJ,gBAAM,IAAIiJ,KAAK,CAAChJ,MAAhB;AACA6G,eAAK,GAAGmC,KAAK,CAAC1B,MAAN,CAAaZ,GAArB;AACAC,oBAAU;AACX,SAJD,MAIO;AACL;AACA;AACD;AACF,OAVD,MAUO,IAAI2B,cAAG,CAACrC,QAAJ,CAAahJ,IAAb,EAAmB8C,MAAnB,CAAJ,EAAgC;AACrCsI,eAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB8C,MAArB,CAAV;AACAgJ,kBAAU,CAAC1B,IAAX,CAAgB;AAAEX,aAAG,EAAEG,KAAP;AAAcM,aAAG,EAAEN,KAAnB;AAA0B5J,cAAI,EAAEoL;AAAhC,SAAhB;AACAtI,cAAM,IAAIsI,OAAO,CAACrI,MAAlB;AACD,OAJM,MAIA;AACL;AACAD,cAAM;AACP;AACF;;AAED,SAAKyH,OAAL,CAAayB,KAAb,CAAmB1C,KAAnB,EACE;AAAEa,aAAO,EAAE;AAAX,KADF,EAEE;AAAEA,aAAO,EAAE2B,UAAX;AAAuBZ,oBAAc,EAAE;AAAvC,KAFF,EAGE;AAAEf,aAAO,EAAE;AAAX,KAHF,EAIEsB,UAJF,EAKEC,UALF,EAMEC,kBANF;AAOD,G;;SAEDvG,O,GAAA,mBAAW,CACV,C;;;;;AAGYqW,oEAAf,E;;ACrFA;;;IAIMC,G;;;;;MACGC,c,GAAP,wBAAuB/S,KAAvB,EAA8BD,YAA9B,EAA4C;AAC1C,YAAQC,KAAR;AACA,WAAK,WAAL;AACE,YAAID,YAAY,KAAK,CAArB,EAAwB;AACtB,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,CAAf,CAAP;AACD,SAFD,MAEO,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,EAAqC,IAArC,EAA2C,IAA3C,EAAiD,IAAjD,CAAf,CAAP;AACD,SAFM,MAEA,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,EAAqC,IAArC,EAA2C,IAA3C,EAAiD,IAAjD,EAAuD,IAAvD,EAA6D,IAA7D,EAAmE,IAAnE,EAAyE,IAAzE,CAAf,CAAP;AACD,SAFM,MAEA,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,EAAqC,IAArC,EAA2C,IAA3C,EAAiD,IAAjD,EAAuD,IAAvD,EAA6D,IAA7D,EAAmE,IAAnE,EAAyE,IAAzE,EAA+E,IAA/E,EAAqF,IAArF,EAA2F,IAA3F,EAAiG,IAAjG,EAAuG,IAAvG,CAAf,CAAP;AACD,SAFM,MAEA,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,EAAqC,IAArC,EAA2C,IAA3C,EAAiD,IAAjD,EAAuD,IAAvD,EAA6D,IAA7D,EAAmE,IAAnE,EAAyE,IAAzE,EAA+E,IAA/E,EAAqF,IAArF,EAA2F,IAA3F,EAAiG,IAAjG,EAAuG,IAAvG,EAA6G,IAA7G,EAAmH,IAAnH,EAAyH,IAAzH,CAAf,CAAP;AACD,SAFM,MAEA,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,EAAqC,IAArC,EAA2C,IAA3C,EAAiD,IAAjD,EAAuD,IAAvD,EAA6D,IAA7D,EAAmE,IAAnE,EAAyE,IAAzE,EAA+E,IAA/E,EAAqF,IAArF,EAA2F,IAA3F,EAAiG,IAAjG,EAAuG,IAAvG,EAA6G,IAA7G,EAAmH,IAAnH,EAAyH,IAAzH,EAA+H,IAA/H,EAAqI,IAArI,EAA2I,IAA3I,EAAiJ,IAAjJ,EAAuJ,IAAvJ,CAAf,CAAP;AACD;;AAED;AACF;;AACA;AACE,YAAI/E,YAAY,KAAK,CAArB,EAAwB;AACtB;AACA,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,GAAD,EAAM,IAAN,EAAY,IAAZ,EAAkB,IAAlB,EAAwB,IAAxB,EAA8B,IAA9B,EAAoC,IAApC,EAA0C,IAA1C,EAAgD,IAAhD,EAAsD,GAAtD,EAA2D,GAA3D,EAAgE,GAAhE,EAAqE,GAArE,EAA0E,IAA1E,EAAgF,GAAhF,EAAqF,IAArF,EAA2F,IAA3F,EAAiG,GAAjG,EAAsG,IAAtG,EAA4G,IAA5G,EAAkH,IAAlH,EAAwH,IAAxH,EAA8H,IAA9H,EAAoI,IAApI,EAA0I,IAA1I,EAAgJ,IAAhJ,EAAsJ,IAAtJ,EAA4J,IAA5J,EAAkK,IAAlK,EAAwK,IAAxK,EAA8K,IAA9K,EAAoL,IAApL,EAA0L,IAA1L,EAAgM,IAAhM,EAAsM,IAAtM,EAA4M,IAA5M,EAAkN,IAAlN,EAAwN,IAAxN,EAA8N,IAA9N,EAAoO,IAApO,EAA0O,IAA1O,EAAgP,IAAhP,EAAsP,IAAtP,EAA4P,IAA5P,EAAkQ,IAAlQ,EAAwQ,IAAxQ,EAA8Q,IAA9Q,EAAoR,IAApR,EAA0R,IAA1R,EAAgS,IAAhS,EAAsS,IAAtS,EAA4S,IAA5S,EAAkT,IAAlT,EAAwT,IAAxT,EAA8T,IAA9T,EAAoU,IAApU,EAA0U,IAA1U,EAAgV,IAAhV,EAAsV,IAAtV,CAAf,CAAP;AACD,SAHD,MAGO,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B;AACA,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,GAAD,EAAM,IAAN,EAAY,IAAZ,EAAkB,IAAlB,EAAwB,IAAxB,EAA8B,IAA9B,EAAoC,IAApC,EAA0C,IAA1C,EAAgD,IAAhD,EAAsD,GAAtD,EAA2D,GAA3D,EAAgE,GAAhE,EAAqE,GAArE,EAA0E,GAA1E,EAA+E,IAA/E,EAAqF,GAArF,EAA0F,GAA1F,EAA+F,IAA/F,EAAqG,IAArG,EAA2G,GAA3G,EAAgH,IAAhH,EAAsH,IAAtH,EAA4H,IAA5H,EAAkI,IAAlI,EAAwI,IAAxI,EAA8I,IAA9I,EAAoJ,IAApJ,EAA0J,IAA1J,EAAgK,IAAhK,EAAsK,IAAtK,EAA4K,IAA5K,EAAkL,IAAlL,EAAwL,IAAxL,EAA8L,IAA9L,EAAoM,IAApM,EAA0M,IAA1M,EAAgN,IAAhN,EAAsN,IAAtN,EAA4N,IAA5N,EAAkO,IAAlO,EAAwO,IAAxO,EAA8O,IAA9O,EAAoP,IAApP,EAA0P,IAA1P,EAAgQ,IAAhQ,EAAsQ,IAAtQ,EAA4Q,IAA5Q,EAAkR,IAAlR,EAAwR,IAAxR,EAA8R,IAA9R,EAAoS,IAApS,EAA0S,IAA1S,EAAgT,IAAhT,EAAsT,IAAtT,EAA4T,IAA5T,EAAkU,IAAlU,EAAwU,IAAxU,EAA8U,IAA9U,EAAoV,IAApV,CAAf,CAAP;AACD,SAHM,MAGA,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B;AACA,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,GAAD,EAAM,IAAN,EAAY,IAAZ,EAAkB,IAAlB,EAAwB,IAAxB,EAA8B,IAA9B,EAAoC,IAApC,EAA0C,IAA1C,EAAgD,IAAhD,EAAsD,GAAtD,EAA2D,GAA3D,EAAgE,GAAhE,EAAqE,GAArE,EAA0E,GAA1E,EAA+E,IAA/E,EAAqF,GAArF,EAA0F,GAA1F,EAA+F,IAA/F,EAAqG,IAArG,EAA2G,GAA3G,EAAgH,IAAhH,EAAsH,IAAtH,EAA4H,IAA5H,EAAkI,IAAlI,EAAwI,IAAxI,EAA8I,IAA9I,EAAoJ,IAApJ,EAA0J,IAA1J,EAAgK,IAAhK,EAAsK,IAAtK,EAA4K,IAA5K,EAAkL,IAAlL,EAAwL,IAAxL,EAA8L,IAA9L,EAAoM,IAApM,EAA0M,IAA1M,EAAgN,IAAhN,EAAsN,IAAtN,EAA4N,IAA5N,EAAkO,IAAlO,EAAwO,IAAxO,EAA8O,IAA9O,EAAoP,IAApP,EAA0P,IAA1P,EAAgQ,IAAhQ,EAAsQ,IAAtQ,EAA4Q,IAA5Q,EAAkR,IAAlR,EAAwR,IAAxR,EAA8R,IAA9R,EAAoS,IAApS,EAA0S,IAA1S,EAAgT,IAAhT,EAAsT,IAAtT,EAA4T,IAA5T,EAAkU,IAAlU,EAAwU,IAAxU,EAA8U,IAA9U,EAAoV,IAApV,CAAf,CAAP;AACD;;AACD;AA7BF;;AA+BA,WAAO,IAAP;AACD,G;;;;;AAGYgO,kDAAf,E;;ACzCA;;;AAIA,IAAME,UAAU,GAAGhO,IAAI,CAACiO,GAAL,CAAS,CAAT,EAAY,EAAZ,IAAkB,CAArC;;IAEMC,G;;;;;MACGC,I,GAAP,gBAAe;AACbD,OAAG,CAACE,KAAJ,GAAY;AACVC,UAAI,EAAE,EADI;AACA;AACVC,UAAI,EAAE,EAFI;AAGVC,UAAI,EAAE,EAHI;AAIVC,UAAI,EAAE,EAJI;AAKVC,UAAI,EAAE,EALI;AAMVC,UAAI,EAAE,EANI;AAOVC,UAAI,EAAE,EAPI;AAQVC,UAAI,EAAE,EARI;AASVC,UAAI,EAAE,EATI;AAUVC,UAAI,EAAE,EAVI;AAWVC,UAAI,EAAE,EAXI;AAYVC,UAAI,EAAE,EAZI;AAaVC,UAAI,EAAE,EAbI;AAcVC,UAAI,EAAE,EAdI;AAeVC,UAAI,EAAE,EAfI;AAgBVC,UAAI,EAAE,EAhBI;AAiBV,cAAQ,EAjBE;AAkBVC,UAAI,EAAE,EAlBI;AAmBVC,UAAI,EAAE,EAnBI;AAoBVC,UAAI,EAAE,EApBI;AAqBVC,UAAI,EAAE,EArBI;AAsBVC,UAAI,EAAE,EAtBI;AAuBVC,UAAI,EAAE,EAvBI;AAwBVC,UAAI,EAAE,EAxBI;AAyBVC,UAAI,EAAE,EAzBI;AA0BVC,UAAI,EAAE,EA1BI;AA2BVC,UAAI,EAAE,EA3BI;AA4BVC,UAAI,EAAE,EA5BI;AA6BVC,UAAI,EAAE,EA7BI;AA8BVC,UAAI,EAAE,EA9BI;AA+BVC,UAAI,EAAE,EA/BI;AAgCVC,UAAI,EAAE,EAhCI;AAiCVC,UAAI,EAAE,EAjCI;AAkCVC,UAAI,EAAE,EAlCI;AAmCVC,UAAI,EAAE,EAnCI;AAoCVC,UAAI,EAAE;AApCI,KAAZ;AAuCA,QAAIzc,CAAJ;;AACA,SAAKA,CAAL,IAAUoa,GAAG,CAACE,KAAd,EAAqB;AACnB,UAAIF,GAAG,CAACE,KAAJ,CAAUoC,cAAV,CAAyB1c,CAAzB,CAAJ,EAAiC;AAC/Boa,WAAG,CAACE,KAAJ,CAAUta,CAAV,IAAe,CACbA,CAAC,CAAC2c,UAAF,CAAa,CAAb,CADa,EAEb3c,CAAC,CAAC2c,UAAF,CAAa,CAAb,CAFa,EAGb3c,CAAC,CAAC2c,UAAF,CAAa,CAAb,CAHa,EAIb3c,CAAC,CAAC2c,UAAF,CAAa,CAAb,CAJa,CAAf;AAMD;AACF;;AAED,QAAIC,SAAS,GAAG,IAAI5Q,UAAJ,CAAe,CAC7B,IAD6B,EACvB;AACN,QAF6B,EAEvB,IAFuB,EAEjB,IAFiB,EAEX;AAClB,QAH6B,EAGvB,IAHuB,EAGjB,IAHiB,EAGX,IAHW,EAGL;AACxB,QAJ6B,EAIvB,IAJuB,EAIjB,IAJiB,EAIX,IAJW,EAIL;AACxB,QAL6B,EAKvB,IALuB,EAKjB,IALiB,EAKX,IALW,EAKL;AACxB,QAN6B,EAMvB,IANuB,EAMjB,IANiB,EAMX,IANW,EAML;AACxB,QAP6B,EAOvB,IAPuB,EAOjB,IAPiB,EAOX,IAPW,EAOL;AACxB,QAR6B,EAQvB,IARuB,EAQjB,IARiB,EAQX,IARW,EAS7B,IAT6B,EASvB,IATuB,EASjB,IATiB,EASX,IATW,EAU7B,IAV6B,EAUvB,IAVuB,EAUjB,IAViB,EAUX,IAVW,EAUL,IAVK,CAUA;AAVA,KAAf,CAAhB;AAaA,QAAI6Q,SAAS,GAAG,IAAI7Q,UAAJ,CAAe,CAC7B,IAD6B,EACvB;AACN,QAF6B,EAEvB,IAFuB,EAEjB,IAFiB,EAEX;AAClB,QAH6B,EAGvB,IAHuB,EAGjB,IAHiB,EAGX,IAHW,EAGL;AACxB,QAJ6B,EAIvB,IAJuB,EAIjB,IAJiB,EAIX,IAJW,EAIL;AACxB,QAL6B,EAKvB,IALuB,EAKjB,IALiB,EAKX,IALW,EAKL;AACxB,QAN6B,EAMvB,IANuB,EAMjB,IANiB,EAMX,IANW,EAML;AACxB,QAP6B,EAOvB,IAPuB,EAOjB,IAPiB,EAOX,IAPW,EAOL;AACxB,QAR6B,EAQvB,IARuB,EAQjB,IARiB,EAQX,IARW,EAS7B,IAT6B,EASvB,IATuB,EASjB,IATiB,EASX,IATW,EAU7B,IAV6B,EAUvB,IAVuB,EAUjB,IAViB,EAUX,IAVW,EAUL,IAVK,CAUA;AAVA,KAAf,CAAhB;AAaAoO,OAAG,CAAC0C,UAAJ,GAAiB;AACf,eAASF,SADM;AAEf,eAASC;AAFM,KAAjB;AAKA,QAAIlC,IAAI,GAAG,IAAI3O,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ,IAHY,EAGN,IAHM,EAGA;AACxB,QAJwB,EAIlB,IAJkB,EAIZ,IAJY,EAIN,IAJM,EAIA;AACxB,QALwB,EAKlB,IALkB,EAKZ,IALY,EAKN,IALM,EAKA;AACxB,QANwB,EAMlB;AACN,QAPwB,EAOlB,IAPkB,EAOZ,IAPY,CAOP;AAPO,KAAf,CAAX;AAUA,QAAI4P,IAAI,GAAG,IAAI5P,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ,IAHY,EAGN,IAHM,CAGD;AAHC,KAAf,CAAX;AAMAoO,OAAG,CAAC2C,IAAJ,GAAW3C,GAAG,CAAC4C,IAAJ,GAAW5C,GAAG,CAAC6C,IAAJ,GAAWrB,IAAjC;AAEAxB,OAAG,CAAC8C,IAAJ,GAAW,IAAIlR,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ,IAHY,EAGN,IAHM,EAGA;AACxB,QAJwB,EAIlB,IAJkB,EAIZ,IAJY,EAIN,IAJM,CAID;AAJC,KAAf,CAAX;AAMAoO,OAAG,CAAC+C,IAAJ,GAAW,IAAInR,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ;AACZ,QAJwB,EAIlB,IAJkB,EAKxB,IALwB,EAKlB,IALkB,EAMxB,IANwB,EAMlB,IANkB,CAMb;AANa,KAAf,CAAX;AAQAoO,OAAG,CAACgD,IAAJ,GAAW,IAAIpR,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ;AACZ,QAJwB,EAIlB,IAJkB,CAIb;AAJa,KAAf,CAAX;AAOAoO,OAAG,CAACiD,IAAJ,GAAW,IAAIrR,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ,IAHY,EAGN,IAHM,CAAf,CAAX,CA1Ha,CA6Hc;;AAE3B,QAAIsR,UAAU,GAAG,IAAItR,UAAJ,CAAe,CAAC,GAAD,EAAM,GAAN,EAAW,GAAX,EAAgB,GAAhB,CAAf,CAAjB,CA/Ha,CA+H0C;;AACvD,QAAIuR,SAAS,GAAG,IAAIvR,UAAJ,CAAe,CAAC,EAAD,EAAK,GAAL,EAAU,EAAV,EAAc,EAAd,CAAf,CAAhB,CAhIa,CAgIsC;;AACnD,QAAIwR,YAAY,GAAG,IAAIxR,UAAJ,CAAe,CAAC,CAAD,EAAI,CAAJ,EAAO,CAAP,EAAU,CAAV,CAAf,CAAnB;AAEAoO,OAAG,CAACqD,IAAJ,GAAWrD,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUO,IAAlB,EAAwByC,UAAxB,EAAoCE,YAApC,EAAkDF,UAAlD,EAA8DC,SAA9D,CAAX;AACAnD,OAAG,CAACuD,IAAJ,GAAWvD,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUI,IAAlB,EAAwBN,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUK,IAAlB,EAAwBA,IAAxB,CAAxB,CAAX;AACD,G;;MAEM+C,G,GAAP,aAAYjY,IAAZ,EAAkB;AAChB,QACEmY,OAAO,GAAG9W,KAAK,CAAC+W,SAAN,CAAgB1e,KAAhB,CAAsB2e,IAAtB,CAA2BC,SAA3B,EAAsC,CAAtC,CADZ;AAAA,QAEEtR,IAAI,GAAG,CAFT;AAAA,QAGEzM,CAAC,GAAG4d,OAAO,CAACvc,MAHd;AAAA,QAIEkI,GAAG,GAAGvJ,CAJR;AAAA,QAKEmF,MALF,CADgB,CAOhB;;AACA,WAAOnF,CAAC,EAAR,EAAY;AACVyM,UAAI,IAAImR,OAAO,CAAC5d,CAAD,CAAP,CAAWjB,UAAnB;AACD;;AAEDoG,UAAM,GAAG,IAAI6G,UAAJ,CAAeS,IAAf,CAAT;AACAtH,UAAM,CAAC,CAAD,CAAN,GAAasH,IAAI,IAAI,EAAT,GAAe,IAA3B;AACAtH,UAAM,CAAC,CAAD,CAAN,GAAasH,IAAI,IAAI,EAAT,GAAe,IAA3B;AACAtH,UAAM,CAAC,CAAD,CAAN,GAAasH,IAAI,IAAI,CAAT,GAAc,IAA1B;AACAtH,UAAM,CAAC,CAAD,CAAN,GAAYsH,IAAI,GAAG,IAAnB;AACAtH,UAAM,CAACiH,GAAP,CAAW3G,IAAX,EAAiB,CAAjB,EAjBgB,CAkBhB;;AACA,SAAKzF,CAAC,GAAG,CAAJ,EAAOyM,IAAI,GAAG,CAAnB,EAAsBzM,CAAC,GAAGuJ,GAA1B,EAA+BvJ,CAAC,EAAhC,EAAoC;AAClC;AACAmF,YAAM,CAACiH,GAAP,CAAWwR,OAAO,CAAC5d,CAAD,CAAlB,EAAuByM,IAAvB;AACAA,UAAI,IAAImR,OAAO,CAAC5d,CAAD,CAAP,CAAWjB,UAAnB;AACD;;AACD,WAAOoG,MAAP;AACD,G;;MAEM2V,I,GAAP,cAAarV,IAAb,EAAmB;AACjB,WAAO2U,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUQ,IAAlB,EAAwBV,GAAG,CAAC0C,UAAJ,CAAerX,IAAf,CAAxB,CAAP;AACD,G;;MAEMsV,I,GAAP,cAAazc,IAAb,EAAmB;AACjB,WAAO8b,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUS,IAAlB,EAAwBzc,IAAxB,CAAP;AACD,G;;MAEM0c,I,GAAP,cAAagD,SAAb,EAAwB/U,QAAxB,EAAkC;AAChCA,YAAQ,IAAI+U,SAAZ;AACA,QAAMC,iBAAiB,GAAG/R,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAIiR,UAAU,GAAG,CAAjB,CAAnB,CAA1B;AACA,QAAMgE,iBAAiB,GAAGhS,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAIiR,UAAU,GAAG,CAAjB,CAAnB,CAA1B;AACA,WAAOE,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUU,IAAlB,EAAwB,IAAIhP,UAAJ,CAAe,CAC5C,IAD4C,EACtC;AACN,QAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AAClB,QAH4C,EAGtC,IAHsC,EAGhC,IAHgC,EAG1B,IAH0B,EAGpB,IAHoB,EAGd,IAHc,EAGR,IAHQ,EAGF,IAHE,EAGI;AAChD,QAJ4C,EAItC,IAJsC,EAIhC,IAJgC,EAI1B,IAJ0B,EAIpB,IAJoB,EAId,IAJc,EAIR,IAJQ,EAIF,IAJE,EAII;AAC/CgS,aAAS,IAAI,EAAd,GAAoB,IALwB,EAM3CA,SAAS,IAAI,EAAd,GAAoB,IANwB,EAO3CA,SAAS,IAAI,CAAd,GAAmB,IAPyB,EAQ5CA,SAAS,GAAG,IARgC,EAQ1B;AACjBC,qBAAiB,IAAI,EATsB,EAU3CA,iBAAiB,IAAI,EAAtB,GAA4B,IAVgB,EAW3CA,iBAAiB,IAAI,CAAtB,GAA2B,IAXiB,EAY5CA,iBAAiB,GAAG,IAZwB,EAa3CC,iBAAiB,IAAI,EAbsB,EAc3CA,iBAAiB,IAAI,EAAtB,GAA4B,IAdgB,EAe3CA,iBAAiB,IAAI,CAAtB,GAA2B,IAfiB,EAgB5CA,iBAAiB,GAAG,IAhBwB,EAiB5C,IAjB4C,EAiBtC,IAjBsC,EAiBhC;AACZ,QAlB4C,EAkBtC,IAlBsC,CAAf,CAAxB,CAAP;AAoBD,G;;MAEMjD,I,GAAP,cAAarT,KAAb,EAAoB;AAClB,WAAOwS,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUW,IAAlB,EAAwBb,GAAG,CAACY,IAAJ,CAASpT,KAAK,CAACoW,SAAf,EAA0BpW,KAAK,CAACqB,QAAhC,CAAxB,EAAmEmR,GAAG,CAACU,IAAJ,CAASlT,KAAK,CAACnC,IAAf,CAAnE,EAAyF2U,GAAG,CAACe,IAAJ,CAASvT,KAAT,CAAzF,CAAP;AACD,G;;MAEMsT,I,GAAP,cAAa7R,cAAb,EAA6B;AAC3B,WAAO+Q,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUY,IAAlB,EAAwB,IAAIlP,UAAJ,CAAe,CAC5C,IAD4C,EAE5C,IAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AACjB3C,kBAAc,IAAI,EAHyB,EAI3CA,cAAc,IAAI,EAAnB,GAAyB,IAJmB,EAK3CA,cAAc,IAAI,CAAnB,GAAwB,IALoB,EAM5CA,cAAc,GAAG,IAN2B,CAMtB;AANsB,KAAf,CAAxB,CAAP;AAQD,G;;MAEM8R,I,GAAP,cAAavT,KAAb,EAAoB;AAClB,QAAIA,KAAK,CAACnC,IAAN,KAAe,OAAnB,EAA4B;AAC1B,aAAO2U,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUa,IAAlB,EAAwBf,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUmC,IAAlB,EAAwBrC,GAAG,CAACgD,IAA5B,CAAxB,EAA2DhD,GAAG,CAACuD,IAA/D,EAAqEvD,GAAG,CAACuB,IAAJ,CAAS/T,KAAT,CAArE,CAAP;AACD,KAFD,MAEO;AACL,aAAOwS,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUa,IAAlB,EAAwBf,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUkC,IAAlB,EAAwBpC,GAAG,CAAC+C,IAA5B,CAAxB,EAA2D/C,GAAG,CAACuD,IAA/D,EAAqEvD,GAAG,CAACuB,IAAJ,CAAS/T,KAAT,CAArE,CAAP;AACD;AACF,G;;MAEMwT,I,GAAP,cAAa+C,EAAb,EAAiBC,mBAAjB,EAAsCxW,KAAtC,EAA6C;AAC3C,WAAOwS,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUc,IAAlB,EAAwBhB,GAAG,CAACc,IAAJ,CAASiD,EAAT,CAAxB,EAAsC/D,GAAG,CAAC+B,IAAJ,CAASvU,KAAT,EAAgBwW,mBAAhB,CAAtC,CAAP;AACD;AACD;;;;;MAGO/C,I,GAAP,cAAagD,MAAb,EAAqB;AACnB,QACEre,CAAC,GAAGqe,MAAM,CAAChd,MADb;AAAA,QAEEid,KAAK,GAAG,EAFV;;AAIA,WAAOte,CAAC,EAAR,EAAY;AACVse,WAAK,CAACte,CAAD,CAAL,GAAWoa,GAAG,CAACgC,IAAJ,CAASiC,MAAM,CAACre,CAAD,CAAf,CAAX;AACD;;AAED,WAAOoa,GAAG,CAACsD,GAAJ,CAAQa,KAAR,CAAc,IAAd,EAAoB,CAACnE,GAAG,CAACE,KAAJ,CAAUe,IAAX,EAAiBjB,GAAG,CAACoB,IAAJ,CAAS6C,MAAM,CAAC,CAAD,CAAN,CAAUL,SAAnB,EAA8BK,MAAM,CAAC,CAAD,CAAN,CAAUpV,QAAxC,CAAjB,EAAoEuV,MAApE,CAA2EF,KAA3E,EAAkFE,MAAlF,CAAyFpE,GAAG,CAACmB,IAAJ,CAAS8C,MAAT,CAAzF,CAApB,CAAP;AACD,G;;MAEM9C,I,GAAP,cAAa8C,MAAb,EAAqB;AACnB,QACEre,CAAC,GAAGqe,MAAM,CAAChd,MADb;AAAA,QAEEid,KAAK,GAAG,EAFV;;AAIA,WAAOte,CAAC,EAAR,EAAY;AACVse,WAAK,CAACte,CAAD,CAAL,GAAWoa,GAAG,CAACkC,IAAJ,CAAS+B,MAAM,CAACre,CAAD,CAAf,CAAX;AACD;;AAED,WAAOoa,GAAG,CAACsD,GAAJ,CAAQa,KAAR,CAAc,IAAd,EAAoB,CAACnE,GAAG,CAACE,KAAJ,CAAUiB,IAAX,EAAiBiD,MAAjB,CAAwBF,KAAxB,CAApB,CAAP;AACD,G;;MAEM9C,I,GAAP,cAAawC,SAAb,EAAwB/U,QAAxB,EAAkC;AAChCA,YAAQ,IAAI+U,SAAZ;AACA,QAAMC,iBAAiB,GAAG/R,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAIiR,UAAU,GAAG,CAAjB,CAAnB,CAA1B;AACA,QAAMgE,iBAAiB,GAAGhS,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAIiR,UAAU,GAAG,CAAjB,CAAnB,CAA1B;AACA,QACErC,KAAK,GAAG,IAAI7L,UAAJ,CAAe,CACrB,IADqB,EACf;AACN,QAFqB,EAEf,IAFe,EAET,IAFS,EAEH;AAClB,QAHqB,EAGf,IAHe,EAGT,IAHS,EAGH,IAHG,EAGG,IAHH,EAGS,IAHT,EAGe,IAHf,EAGqB,IAHrB,EAG2B;AAChD,QAJqB,EAIf,IAJe,EAIT,IAJS,EAIH,IAJG,EAIG,IAJH,EAIS,IAJT,EAIe,IAJf,EAIqB,IAJrB,EAI2B;AAC/CgS,aAAS,IAAI,EAAd,GAAoB,IALC,EAMpBA,SAAS,IAAI,EAAd,GAAoB,IANC,EAOpBA,SAAS,IAAI,CAAd,GAAmB,IAPE,EAQrBA,SAAS,GAAG,IARS,EAQH;AACjBC,qBAAiB,IAAI,EATD,EAUpBA,iBAAiB,IAAI,EAAtB,GAA4B,IAVP,EAWpBA,iBAAiB,IAAI,CAAtB,GAA2B,IAXN,EAYrBA,iBAAiB,GAAG,IAZC,EAapBC,iBAAiB,IAAI,EAbD,EAcpBA,iBAAiB,IAAI,EAAtB,GAA4B,IAdP,EAepBA,iBAAiB,IAAI,CAAtB,GAA2B,IAfN,EAgBrBA,iBAAiB,GAAG,IAhBC,EAiBrB,IAjBqB,EAiBf,IAjBe,EAiBT,IAjBS,EAiBH,IAjBG,EAiBG;AACxB,QAlBqB,EAkBf,IAlBe,EAkBT;AACZ,QAnBqB,EAmBf,IAnBe,EAmBT;AACZ,QApBqB,EAoBf,IApBe,EAoBT,IApBS,EAoBH,IApBG,EAoBG;AACxB,QArBqB,EAqBf,IArBe,EAqBT,IArBS,EAqBH,IArBG,EAqBG;AACxB,QAtBqB,EAsBf,IAtBe,EAsBT,IAtBS,EAsBH,IAtBG,EAuBrB,IAvBqB,EAuBf,IAvBe,EAuBT,IAvBS,EAuBH,IAvBG,EAwBrB,IAxBqB,EAwBf,IAxBe,EAwBT,IAxBS,EAwBH,IAxBG,EAyBrB,IAzBqB,EAyBf,IAzBe,EAyBT,IAzBS,EAyBH,IAzBG,EA0BrB,IA1BqB,EA0Bf,IA1Be,EA0BT,IA1BS,EA0BH,IA1BG,EA2BrB,IA3BqB,EA2Bf,IA3Be,EA2BT,IA3BS,EA2BH,IA3BG,EA4BrB,IA5BqB,EA4Bf,IA5Be,EA4BT,IA5BS,EA4BH,IA5BG,EA6BrB,IA7BqB,EA6Bf,IA7Be,EA6BT,IA7BS,EA6BH,IA7BG,EA8BrB,IA9BqB,EA8Bf,IA9Be,EA8BT,IA9BS,EA8BH,IA9BG,EA8BG;AACxB,QA/BqB,EA+Bf,IA/Be,EA+BT,IA/BS,EA+BH,IA/BG,EAgCrB,IAhCqB,EAgCf,IAhCe,EAgCT,IAhCS,EAgCH,IAhCG,EAiCrB,IAjCqB,EAiCf,IAjCe,EAiCT,IAjCS,EAiCH,IAjCG,EAkCrB,IAlCqB,EAkCf,IAlCe,EAkCT,IAlCS,EAkCH,IAlCG,EAmCrB,IAnCqB,EAmCf,IAnCe,EAmCT,IAnCS,EAmCH,IAnCG,EAoCrB,IApCqB,EAoCf,IApCe,EAoCT,IApCS,EAoCH,IApCG,EAoCG;AACxB,QArCqB,EAqCf,IArCe,EAqCT,IArCS,EAqCH,IArCG,CAqCE;AArCF,KAAf,CADV;AAwCA,WAAO9D,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUkB,IAAlB,EAAwB3D,KAAxB,CAAP;AACD,G;;MAEM6D,I,GAAP,cAAa9T,KAAb,EAAoB;AAClB,QACEa,OAAO,GAAGb,KAAK,CAACa,OAAN,IAAiB,EAD7B;AAAA,QAEEoP,KAAK,GAAG,IAAI7L,UAAJ,CAAe,IAAIvD,OAAO,CAACpH,MAA3B,CAFV;AAAA,QAGEod,KAHF;AAAA,QAIEze,CAJF,CADkB,CAMlB;AACA;;AACA,SAAKA,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGyI,OAAO,CAACpH,MAAxB,EAAgCrB,CAAC,EAAjC,EAAqC;AACnCye,WAAK,GAAGhW,OAAO,CAACzI,CAAD,CAAP,CAAWye,KAAnB;AACA5G,WAAK,CAAC7X,CAAC,GAAG,CAAL,CAAL,GAAgBye,KAAK,CAACC,SAAN,IAAmB,CAApB,GACZD,KAAK,CAACE,YAAN,IAAsB,CADV,GAEZF,KAAK,CAACG,aAFT;AAGD;;AAED,WAAOxE,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUoB,IAAlB,EAAwB7D,KAAxB,CAAP;AACD,G;;MAEM8D,I,GAAP,cAAa/T,KAAb,EAAoB;AAClB,WAAOwS,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUqB,IAAlB,EAAwBvB,GAAG,CAAC0B,IAAJ,CAASlU,KAAT,CAAxB,EAAyCwS,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAU0B,IAAlB,EAAwB5B,GAAG,CAAC2C,IAA5B,CAAzC,EAA4E3C,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUuB,IAAlB,EAAwBzB,GAAG,CAAC4C,IAA5B,CAA5E,EAA+G5C,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUyB,IAAlB,EAAwB3B,GAAG,CAAC8C,IAA5B,CAA/G,EAAkJ9C,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUsB,IAAlB,EAAwBxB,GAAG,CAAC6C,IAA5B,CAAlJ,CAAP;AACD,G;;MAEM1C,I,GAAP,cAAa3S,KAAb,EAAoB;AAClB,QAAI0O,GAAG,GAAG,EAAV;AAAA,QAAcmC,GAAG,GAAG,EAApB;AAAA,QAAwBzY,CAAxB;AAAA,QAA2B1B,IAA3B;AAAA,QAAiCiL,GAAjC,CADkB,CAElB;;AAEA,SAAKvJ,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG4H,KAAK,CAAC0O,GAAN,CAAUjV,MAA1B,EAAkCrB,CAAC,EAAnC,EAAuC;AACrC1B,UAAI,GAAGsJ,KAAK,CAAC0O,GAAN,CAAUtW,CAAV,CAAP;AACAuJ,SAAG,GAAGjL,IAAI,CAACS,UAAX;AACAuX,SAAG,CAAC5N,IAAJ,CAAUa,GAAG,KAAK,CAAT,GAAc,IAAvB;AACA+M,SAAG,CAAC5N,IAAJ,CAAUa,GAAG,GAAG,IAAhB,EAJqC,CAMrC;;AACA+M,SAAG,GAAGA,GAAG,CAACkI,MAAJ,CAAW1X,KAAK,CAAC+W,SAAN,CAAgB1e,KAAhB,CAAsB2e,IAAtB,CAA2Bxf,IAA3B,CAAX,CAAN;AACD,KAZiB,CAclB;;;AACA,SAAK0B,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG4H,KAAK,CAAC6Q,GAAN,CAAUpX,MAA1B,EAAkCrB,CAAC,EAAnC,EAAuC;AACrC1B,UAAI,GAAGsJ,KAAK,CAAC6Q,GAAN,CAAUzY,CAAV,CAAP;AACAuJ,SAAG,GAAGjL,IAAI,CAACS,UAAX;AACA0Z,SAAG,CAAC/P,IAAJ,CAAUa,GAAG,KAAK,CAAT,GAAc,IAAvB;AACAkP,SAAG,CAAC/P,IAAJ,CAAUa,GAAG,GAAG,IAAhB;AAEAkP,SAAG,GAAGA,GAAG,CAAC+F,MAAJ,CAAW1X,KAAK,CAAC+W,SAAN,CAAgB1e,KAAhB,CAAsB2e,IAAtB,CAA2Bxf,IAA3B,CAAX,CAAN;AACD;;AAED,QAAIugB,IAAI,GAAGzE,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUE,IAAlB,EAAwB,IAAIxO,UAAJ,CAAe,CAC9C,IAD8C,EACxC;AACNsK,OAAG,CAAC,CAAD,CAF2C,EAEtC;AACRA,OAAG,CAAC,CAAD,CAH2C,EAGtC;AACRA,OAAG,CAAC,CAAD,CAJ2C,EAItC;AACR,WAAO,CALuC,EAKpC;AACV,WAAO1O,KAAK,CAAC0O,GAAN,CAAUjV,MAN6B,CAMtB;AANsB,MAO9Cmd,MAP8C,CAOvClI,GAPuC,EAOlCkI,MAPkC,CAO3B,CACnB5W,KAAK,CAAC6Q,GAAN,CAAUpX,MADS,CACF;AADE,KAP2B,EAS7Cmd,MAT6C,CAStC/F,GATsC,CAAf,CAAxB,CAAX;AAAA,QASoB;AAClB3J,SAAK,GAAGlH,KAAK,CAACkH,KAVhB;AAAA,QAWEE,MAAM,GAAGpH,KAAK,CAACoH,MAXjB;AAAA,QAYE8P,QAAQ,GAAGlX,KAAK,CAACgH,UAAN,CAAiB,CAAjB,CAZb;AAAA,QAaEmQ,QAAQ,GAAGnX,KAAK,CAACgH,UAAN,CAAiB,CAAjB,CAbb;AAeA,WAAOwL,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUC,IAAlB,EAAwB,IAAIvO,UAAJ,CAAe,CAC5C,IAD4C,EACtC,IADsC,EAChC,IADgC,EAC1B;AAClB,QAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AAClB,QAH4C,EAGtC,IAHsC,EAGhC;AACZ,QAJ4C,EAItC,IAJsC,EAIhC;AACZ,QAL4C,EAKtC,IALsC,EAKhC;AACZ,QAN4C,EAMtC,IANsC,EAMhC,IANgC,EAM1B,IAN0B,EAO5C,IAP4C,EAOtC,IAPsC,EAOhC,IAPgC,EAO1B,IAP0B,EAQ5C,IAR4C,EAQtC,IARsC,EAQhC,IARgC,EAQ1B,IAR0B,EAQpB;AACvB8C,SAAK,IAAI,CAAV,GAAe,IAT6B,EAU5CA,KAAK,GAAG,IAVoC,EAU9B;AACbE,UAAM,IAAI,CAAX,GAAgB,IAX4B,EAY5CA,MAAM,GAAG,IAZmC,EAY7B;AACf,QAb4C,EAatC,IAbsC,EAahC,IAbgC,EAa1B,IAb0B,EAapB;AACxB,QAd4C,EActC,IAdsC,EAchC,IAdgC,EAc1B,IAd0B,EAcpB;AACxB,QAf4C,EAetC,IAfsC,EAehC,IAfgC,EAe1B,IAf0B,EAepB;AACxB,QAhB4C,EAgBtC,IAhBsC,EAgBhC;AACZ,QAjB4C,EAkB5C,IAlB4C,EAkBtC,IAlBsC,EAkBhC,IAlBgC,EAkB1B,IAlB0B,EAkBpB;AACxB,QAnB4C,EAmBtC,IAnBsC,EAmBhC,IAnBgC,EAmB1B,IAnB0B,EAoB5C,IApB4C,EAoBtC,IApBsC,EAoBhC,IApBgC,EAoB1B,IApB0B,EAqB5C,IArB4C,EAqBtC,IArBsC,EAqBhC,IArBgC,EAqB1B,IArB0B,EAsB5C,IAtB4C,EAsBtC,IAtBsC,EAsBhC,IAtBgC,EAsB1B,IAtB0B,EAuB5C,IAvB4C,EAuBtC,IAvBsC,EAuBhC,IAvBgC,EAuB1B,IAvB0B,EAwB5C,IAxB4C,EAwBtC,IAxBsC,EAwBhC,IAxBgC,EAwB1B,IAxB0B,EAyB5C,IAzB4C,EAyBtC,IAzBsC,EAyBhC,IAzBgC,EAyB1B;AAClB,QA1B4C,EA0BtC,IA1BsC,EA0BhC;AACZ,QA3B4C,EA2BtC,IA3BsC,CAAf,CAAxB,EA2BS;AAChB6P,QA5BO,EA6BPzE,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUG,IAAlB,EAAwB,IAAIzO,UAAJ,CAAe,CACrC,IADqC,EAC/B,IAD+B,EACzB,IADyB,EACnB,IADmB,EACb;AACxB,QAFqC,EAE/B,IAF+B,EAEzB,IAFyB,EAEnB,IAFmB,EAEb;AACxB,QAHqC,EAG/B,IAH+B,EAGzB,IAHyB,EAGnB,IAHmB,CAAf,CAAxB,CA7BO,EAgCsB;AAC7BoO,OAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUmB,IAAlB,EAAwB,IAAIzP,UAAJ,CAAe,CACpC8S,QAAQ,IAAI,EADwB,EACnB;AACjBA,YAAQ,IAAI,EAAb,GAAmB,IAFkB,EAGpCA,QAAQ,IAAI,CAAb,GAAkB,IAHmB,EAIrCA,QAAQ,GAAG,IAJ0B,EAKpCC,QAAQ,IAAI,EALwB,EAKnB;AACjBA,YAAQ,IAAI,EAAb,GAAmB,IANkB,EAOpCA,QAAQ,IAAI,CAAb,GAAkB,IAPmB,EAQrCA,QAAQ,GAAG,IAR0B,CAAf,CAAxB,CAjCO,CAAP;AA2CD,G;;MAEMnE,I,GAAP,cAAahT,KAAb,EAAoB;AAClB,QAAIoX,SAAS,GAAGpX,KAAK,CAAC5D,MAAN,CAAa3C,MAA7B;AACA,WAAO,IAAI2K,UAAJ,CAAe,CACpB,IADoB,EACd;AACN,QAFoB,EAEd,IAFc,EAER,IAFQ,EAEF;AAElB,QAJoB,EAId;AACN,WAAOgT,SALa,EAKF;AAClB,QANoB,EAMd,IANc,EAMR;AACZ,QAPoB,EAOd;AAEN,QAToB,EASd;AACN,WAAOA,SAVa,EAUF;AAClB,QAXoB,EAWd;AACN,QAZoB,EAYd;AACN,QAboB,EAad,IAbc,EAaR,IAbQ,EAaF;AAClB,QAdoB,EAcd,IAdc,EAcR,IAdQ,EAcF,IAdE,EAcI;AACxB,QAfoB,EAed,IAfc,EAeR,IAfQ,EAeF,IAfE,EAeI;AAExB,QAjBoB,CAiBf;AAjBe,MAkBpBR,MAlBoB,CAkBb,CAACQ,SAAD,CAlBa,EAkBAR,MAlBA,CAkBO5W,KAAK,CAAC5D,MAlBb,EAkBqBwa,MAlBrB,CAkB4B,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,CAlB5B,CAAf,CAAP,CAFkB,CAoBsD;AACzE,G;;MAEMlD,I,GAAP,cAAa1T,KAAb,EAAoB;AAClB,QAAIZ,UAAU,GAAGY,KAAK,CAACZ,UAAvB;AACA,WAAOoT,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUgB,IAAlB,EAAwB,IAAItP,UAAJ,CAAe,CAC5C,IAD4C,EACtC,IADsC,EAChC,IADgC,EAC1B;AAClB,QAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AAClB,QAH4C,EAGtC,IAHsC,EAGhC;AACZ,QAJ4C,EAItC,IAJsC,EAIhC,IAJgC,EAI1B,IAJ0B,EAK5C,IAL4C,EAKtC,IALsC,EAKhC,IALgC,EAK1B,IAL0B,EAKpB;AACxB,QAN4C,EAMtCpE,KAAK,CAACX,YANgC,EAMlB;AAC1B,QAP4C,EAOtC,IAPsC,EAOhC;AACZ,QAR4C,EAQtC,IARsC,EAQhC,IARgC,EAQ1B,IAR0B,EAQpB;AACvBD,cAAU,IAAI,CAAf,GAAoB,IATwB,EAU5CA,UAAU,GAAG,IAV+B,EAUzB;AACnB,QAX4C,EAWtC,IAXsC,CAAf,CAAxB,EAYPoT,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUM,IAAlB,EAAwBR,GAAG,CAACQ,IAAJ,CAAShT,KAAT,CAAxB,CAZO,CAAP;AAaD,G;;MAEM2M,G,GAAP,aAAY3M,KAAZ,EAAmB;AACjB,QAAIZ,UAAU,GAAGY,KAAK,CAACZ,UAAvB;AACA,WAAOoT,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAU,MAAV,CAAR,EAA2B,IAAItO,UAAJ,CAAe,CAC/C,IAD+C,EACzC,IADyC,EACnC,IADmC,EAC7B;AAClB,QAF+C,EAEzC,IAFyC,EAEnC,IAFmC,EAE7B;AAClB,QAH+C,EAGzC,IAHyC,EAGnC;AACZ,QAJ+C,EAIzC,IAJyC,EAInC,IAJmC,EAI7B,IAJ6B,EAK/C,IAL+C,EAKzC,IALyC,EAKnC,IALmC,EAK7B,IAL6B,EAKvB;AACxB,QAN+C,EAMzCpE,KAAK,CAACX,YANmC,EAMrB;AAC1B,QAP+C,EAOzC,IAPyC,EAOnC;AACZ,QAR+C,EAQzC,IARyC,EAQnC,IARmC,EAQ7B,IAR6B,EAQvB;AACvBD,cAAU,IAAI,CAAf,GAAoB,IAT2B,EAU/CA,UAAU,GAAG,IAVkC,EAU5B;AACnB,QAX+C,EAWzC,IAXyC,CAAf,CAA3B,CAAP;AAYD,G;;MAEM8U,I,GAAP,cAAalU,KAAb,EAAoB;AAClB,QAAIA,KAAK,CAACnC,IAAN,KAAe,OAAnB,EAA4B;AAC1B,UAAI,CAACmC,KAAK,CAAC0B,KAAP,IAAgB1B,KAAK,CAACV,KAAN,KAAgB,KAApC,EAA2C;AACzC,eAAOkT,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUwB,IAAlB,EAAwB1B,GAAG,CAACiD,IAA5B,EAAkCjD,GAAG,CAAC7F,GAAJ,CAAQ3M,KAAR,CAAlC,CAAP;AACD;;AAED,aAAOwS,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUwB,IAAlB,EAAwB1B,GAAG,CAACiD,IAA5B,EAAkCjD,GAAG,CAACkB,IAAJ,CAAS1T,KAAT,CAAlC,CAAP;AACD,KAND,MAMO;AACL,aAAOwS,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUwB,IAAlB,EAAwB1B,GAAG,CAACiD,IAA5B,EAAkCjD,GAAG,CAACG,IAAJ,CAAS3S,KAAT,CAAlC,CAAP;AACD;AACF,G;;MAEM2U,I,GAAP,cAAa3U,KAAb,EAAoB;AAClB,QAAIwB,EAAE,GAAGxB,KAAK,CAACwB,EAAf;AAAA,QACEH,QAAQ,GAAGrB,KAAK,CAACqB,QAAN,GAAiBrB,KAAK,CAACoW,SADpC;AAAA,QAEElP,KAAK,GAAGlH,KAAK,CAACkH,KAFhB;AAAA,QAGEE,MAAM,GAAGpH,KAAK,CAACoH,MAHjB;AAAA,QAIEiP,iBAAiB,GAAG/R,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAIiR,UAAU,GAAG,CAAjB,CAAnB,CAJtB;AAAA,QAKEgE,iBAAiB,GAAGhS,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAIiR,UAAU,GAAG,CAAjB,CAAnB,CALtB;AAMA,WAAOE,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUiC,IAAlB,EAAwB,IAAIvQ,UAAJ,CAAe,CAC5C,IAD4C,EACtC;AACN,QAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AAClB,QAH4C,EAGtC,IAHsC,EAGhC,IAHgC,EAG1B,IAH0B,EAGpB,IAHoB,EAGd,IAHc,EAGR,IAHQ,EAGF,IAHE,EAGI;AAChD,QAJ4C,EAItC,IAJsC,EAIhC,IAJgC,EAI1B,IAJ0B,EAIpB,IAJoB,EAId,IAJc,EAIR,IAJQ,EAIF,IAJE,EAII;AAC/C5C,MAAE,IAAI,EAAP,GAAa,IAL+B,EAM3CA,EAAE,IAAI,EAAP,GAAa,IAN+B,EAO3CA,EAAE,IAAI,CAAP,GAAY,IAPgC,EAQ5CA,EAAE,GAAG,IARuC,EAQjC;AACX,QAT4C,EAStC,IATsC,EAShC,IATgC,EAS1B,IAT0B,EASpB;AACvB6U,qBAAiB,IAAI,EAVsB,EAW3CA,iBAAiB,IAAI,EAAtB,GAA4B,IAXgB,EAY3CA,iBAAiB,IAAI,CAAtB,GAA2B,IAZiB,EAa5CA,iBAAiB,GAAG,IAbwB,EAc3CC,iBAAiB,IAAI,EAdsB,EAe3CA,iBAAiB,IAAI,EAAtB,GAA4B,IAfgB,EAgB3CA,iBAAiB,IAAI,CAAtB,GAA2B,IAhBiB,EAiB5CA,iBAAiB,GAAG,IAjBwB,EAkB5C,IAlB4C,EAkBtC,IAlBsC,EAkBhC,IAlBgC,EAkB1B,IAlB0B,EAmB5C,IAnB4C,EAmBtC,IAnBsC,EAmBhC,IAnBgC,EAmB1B,IAnB0B,EAmBpB;AACxB,QApB4C,EAoBtC,IApBsC,EAoBhC;AACZ,QArB4C,EAqBtC,IArBsC,EAqBhC;AACZ,QAtB4C,EAsBtC,IAtBsC,EAsBhC;AACZ,QAvB4C,EAuBtC,IAvBsC,EAuBhC;AACZ,QAxB4C,EAwBtC,IAxBsC,EAwBhC,IAxBgC,EAwB1B,IAxB0B,EAyB5C,IAzB4C,EAyBtC,IAzBsC,EAyBhC,IAzBgC,EAyB1B,IAzB0B,EA0B5C,IA1B4C,EA0BtC,IA1BsC,EA0BhC,IA1BgC,EA0B1B,IA1B0B,EA2B5C,IA3B4C,EA2BtC,IA3BsC,EA2BhC,IA3BgC,EA2B1B,IA3B0B,EA4B5C,IA5B4C,EA4BtC,IA5BsC,EA4BhC,IA5BgC,EA4B1B,IA5B0B,EA6B5C,IA7B4C,EA6BtC,IA7BsC,EA6BhC,IA7BgC,EA6B1B,IA7B0B,EA8B5C,IA9B4C,EA8BtC,IA9BsC,EA8BhC,IA9BgC,EA8B1B,IA9B0B,EA+B5C,IA/B4C,EA+BtC,IA/BsC,EA+BhC,IA/BgC,EA+B1B,IA/B0B,EAgC5C,IAhC4C,EAgCtC,IAhCsC,EAgChC,IAhCgC,EAgC1B,IAhC0B,EAgCpB;AACvBpP,SAAK,IAAI,CAAV,GAAe,IAjC6B,EAkC5CA,KAAK,GAAG,IAlCoC,EAmC5C,IAnC4C,EAmCtC,IAnCsC,EAmChC;AACXE,UAAM,IAAI,CAAX,GAAgB,IApC4B,EAqC5CA,MAAM,GAAG,IArCmC,EAsC5C,IAtC4C,EAsCtC,IAtCsC,CAsCjC;AAtCiC,KAAf,CAAxB,CAAP;AAwCD,G;;MAEMmN,I,GAAP,cAAavU,KAAb,EAAoBwW,mBAApB,EAAyC;AACvC,QAAIa,qBAAqB,GAAG7E,GAAG,CAACsB,IAAJ,CAAS9T,KAAT,CAA5B;AAAA,QACEwB,EAAE,GAAGxB,KAAK,CAACwB,EADb;AAAA,QAEE8V,4BAA4B,GAAGhT,IAAI,CAACkE,KAAL,CAAWgO,mBAAmB,IAAIlE,UAAU,GAAG,CAAjB,CAA9B,CAFjC;AAAA,QAGEiF,4BAA4B,GAAGjT,IAAI,CAACkE,KAAL,CAAWgO,mBAAmB,IAAIlE,UAAU,GAAG,CAAjB,CAA9B,CAHjC;AAIA,WAAOE,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAU6B,IAAlB,EACL/B,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAU4B,IAAlB,EAAwB,IAAIlQ,UAAJ,CAAe,CACrC,IADqC,EAC/B;AACN,QAFqC,EAE/B,IAF+B,EAEzB,IAFyB,EAEnB;AACjB5C,MAAE,IAAI,EAH8B,EAIpCA,EAAE,IAAI,EAAP,GAAa,IAJwB,EAKpCA,EAAE,IAAI,CAAP,GAAY,IALyB,EAMpCA,EAAE,GAAG,IAN+B,CAAf,CAAxB,CADK,EASLgR,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAU2B,IAAlB,EAAwB,IAAIjQ,UAAJ,CAAe,CACrC,IADqC,EAC/B;AACN,QAFqC,EAE/B,IAF+B,EAEzB,IAFyB,EAEnB;AACjBkT,gCAA4B,IAAI,EAHI,EAIpCA,4BAA4B,IAAI,EAAjC,GAAuC,IAJF,EAKpCA,4BAA4B,IAAI,CAAjC,GAAsC,IALD,EAMpCA,4BAA4B,GAAG,IANK,EAOpCC,4BAA4B,IAAI,EAPI,EAQpCA,4BAA4B,IAAI,EAAjC,GAAuC,IARF,EASpCA,4BAA4B,IAAI,CAAjC,GAAsC,IATD,EAUpCA,4BAA4B,GAAG,IAVK,CAAf,CAAxB,CATK,EAqBL/E,GAAG,CAACiC,IAAJ,CAASzU,KAAT,EACEqX,qBAAqB,CAAC5d,MAAtB,GACY,EADZ,GACiB;AACL,MAFZ,GAEiB;AACL,KAHZ,GAGgB;AACJ,MAJZ,GAIiB;AACL,KALZ,GAKgB;AACJ,KAPd,CArBK,EA4Ba;AAClB4d,yBA7BK,CAAP;AA8BD;AAED;;;;;;;MAKO7C,I,GAAP,cAAaxU,KAAb,EAAoB;AAClBA,SAAK,CAACqB,QAAN,GAAiBrB,KAAK,CAACqB,QAAN,IAAkB,UAAnC;AACA,WAAOmR,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAU8B,IAAlB,EAAwBhC,GAAG,CAACmC,IAAJ,CAAS3U,KAAT,CAAxB,EAAyCwS,GAAG,CAACa,IAAJ,CAASrT,KAAT,CAAzC,CAAP;AACD,G;;MAEM0U,I,GAAP,cAAa1U,KAAb,EAAoB;AAClB,QAAIwB,EAAE,GAAGxB,KAAK,CAACwB,EAAf;AACA,WAAOgR,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUgC,IAAlB,EAAwB,IAAItQ,UAAJ,CAAe,CAC5C,IAD4C,EACtC;AACN,QAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AACjB5C,MAAE,IAAI,EAHqC,EAI3CA,EAAE,IAAI,EAAP,GAAa,IAJ+B,EAK3CA,EAAE,IAAI,CAAP,GAAY,IALgC,EAM3CA,EAAE,GAAG,IANsC,EAM/B;AACb,QAP4C,EAOtC,IAPsC,EAOhC,IAPgC,EAO1B,IAP0B,EAOpB;AACxB,QAR4C,EAQtC,IARsC,EAQhC,IARgC,EAQ1B,IAR0B,EAQpB;AACxB,QAT4C,EAStC,IATsC,EAShC,IATgC,EAS1B,IAT0B,EASpB;AACxB,QAV4C,EAUtC,IAVsC,EAUhC,IAVgC,EAU1B,IAV0B,CAUrB;AAVqB,KAAf,CAAxB,CAAP;AAYD,G;;MAEMiT,I,GAAP,cAAazU,KAAb,EAAoBxG,MAApB,EAA4B;AAC1B,QAAIqH,OAAO,GAAGb,KAAK,CAACa,OAAN,IAAiB,EAA/B;AAAA,QACEc,GAAG,GAAGd,OAAO,CAACpH,MADhB;AAAA,QAEE+d,QAAQ,GAAG,KAAM,KAAK7V,GAFxB;AAAA,QAGEuP,KAAK,GAAG,IAAI9M,UAAJ,CAAeoT,QAAf,CAHV;AAAA,QAIEpf,CAJF;AAAA,QAIK2I,MAJL;AAAA,QAIaM,QAJb;AAAA,QAIuBwD,IAJvB;AAAA,QAI6BgS,KAJ7B;AAAA,QAIoCY,GAJpC;AAKAje,UAAM,IAAI,IAAIge,QAAd;AACAtG,SAAK,CAAC1M,GAAN,CAAU,CACR,IADQ,EACF;AACN,QAFQ,EAEF,IAFE,EAEI,IAFJ,EAEU;AACjB7C,OAAG,KAAK,EAAT,GAAe,IAHP,EAIPA,GAAG,KAAK,EAAT,GAAe,IAJP,EAKPA,GAAG,KAAK,CAAT,GAAc,IALN,EAMRA,GAAG,GAAG,IANE,EAMI;AACXnI,UAAM,KAAK,EAAZ,GAAkB,IAPV,EAQPA,MAAM,KAAK,EAAZ,GAAkB,IARV,EASPA,MAAM,KAAK,CAAZ,GAAiB,IATT,EAURA,MAAM,GAAG,IAVD,CAUM;AAVN,KAAV,EAWG,CAXH;;AAYA,SAAKpB,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGuJ,GAAhB,EAAqBvJ,CAAC,EAAtB,EAA0B;AACxB2I,YAAM,GAAGF,OAAO,CAACzI,CAAD,CAAhB;AACAiJ,cAAQ,GAAGN,MAAM,CAACM,QAAlB;AACAwD,UAAI,GAAG9D,MAAM,CAAC8D,IAAd;AACAgS,WAAK,GAAG9V,MAAM,CAAC8V,KAAf;AACAY,SAAG,GAAG1W,MAAM,CAAC0W,GAAb;AACAvG,WAAK,CAAC1M,GAAN,CAAU,CACPnD,QAAQ,KAAK,EAAd,GAAoB,IADZ,EAEPA,QAAQ,KAAK,EAAd,GAAoB,IAFZ,EAGPA,QAAQ,KAAK,CAAd,GAAmB,IAHX,EAIRA,QAAQ,GAAG,IAJH,EAIS;AAChBwD,UAAI,KAAK,EAAV,GAAgB,IALR,EAMPA,IAAI,KAAK,EAAV,GAAgB,IANR,EAOPA,IAAI,KAAK,CAAV,GAAe,IAPP,EAQRA,IAAI,GAAG,IARC,EAQK;AACZgS,WAAK,CAACa,SAAN,IAAmB,CAApB,GAAyBb,KAAK,CAACC,SATvB,EAUPD,KAAK,CAACE,YAAN,IAAsB,CAAvB,GACGF,KAAK,CAACG,aAAN,IAAuB,CAD1B,GAEGH,KAAK,CAACc,YAAN,IAAsB,CAFzB,GAGEd,KAAK,CAACe,SAbA,EAcRf,KAAK,CAACgB,UAAN,GAAmB,QAAQ,CAdnB,EAeRhB,KAAK,CAACgB,UAAN,GAAmB,IAfX,EAeiB;AACxBJ,SAAG,KAAK,EAAT,GAAe,IAhBP,EAiBPA,GAAG,KAAK,EAAT,GAAe,IAjBP,EAkBPA,GAAG,KAAK,CAAT,GAAc,IAlBN,EAmBRA,GAAG,GAAG,IAnBE,CAmBG;AAnBH,OAAV,EAoBG,KAAK,KAAKrf,CApBb;AAqBD;;AACD,WAAOoa,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAU+B,IAAlB,EAAwBvD,KAAxB,CAAP;AACD,G;;MAEM/P,W,GAAP,qBAAoBsV,MAApB,EAA4B;AAC1B,QAAI,CAACjE,GAAG,CAACE,KAAT,EAAgB;AACdF,SAAG,CAACC,IAAJ;AACD;;AAED,QAAIqF,KAAK,GAAGtF,GAAG,CAACiB,IAAJ,CAASgD,MAAT,CAAZ;AAAA,QAA8BlZ,MAA9B;AACAA,UAAM,GAAG,IAAI6G,UAAJ,CAAeoO,GAAG,CAACqD,IAAJ,CAAS1e,UAAT,GAAsB2gB,KAAK,CAAC3gB,UAA3C,CAAT;AACAoG,UAAM,CAACiH,GAAP,CAAWgO,GAAG,CAACqD,IAAf;AACAtY,UAAM,CAACiH,GAAP,CAAWsT,KAAX,EAAkBtF,GAAG,CAACqD,IAAJ,CAAS1e,UAA3B;AACA,WAAOoG,MAAP;AACD,G;;;;;AAGYiV,qDAAf,E;;AC5oBA,IAAMuF,qBAAqB,GAAG,KAA9B;AAEO,SAASC,oBAAT,CAA+B7G,KAA/B,EAAsC8G,SAAtC,EAAyDC,QAAzD,EAA+E/J,KAA/E,EAA+G;AAAA,MAAtD+J,QAAsD;AAAtDA,YAAsD,GAAnC,CAAmC;AAAA;;AAAA,MAAhC/J,KAAgC;AAAhCA,SAAgC,GAAf,KAAe;AAAA;;AACpH,SAAOgK,mBAAmB,CAAChH,KAAD,EAAQ8G,SAAR,EAAmB,IAAIC,QAAvB,CAA1B;AACD;AAEM,SAASC,mBAAT,CAA8BhH,KAA9B,EAAqC8G,SAArC,EAAwDG,OAAxD,EAA6EjK,KAA7E,EAA6G;AAAA,MAArDiK,OAAqD;AAArDA,WAAqD,GAAnC,CAAmC;AAAA;;AAAA,MAAhCjK,KAAgC;AAAhCA,SAAgC,GAAf,KAAe;AAAA;;AAClH,MAAM5Q,MAAM,GAAG4T,KAAK,GAAG8G,SAAR,GAAoBG,OAAnC,CADkH,CACtE;;AAC5C,SAAOjK,KAAK,GAAG7J,IAAI,CAAC6J,KAAL,CAAW5Q,MAAX,CAAH,GAAwBA,MAApC;AACD;AAEM,SAAS8a,mBAAT,CAA8BlH,KAA9B,EAA6ChD,KAA7C,EAA6E;AAAA,MAAhCA,KAAgC;AAAhCA,SAAgC,GAAf,KAAe;AAAA;;AAClF,SAAOgK,mBAAmB,CAAChH,KAAD,EAAQ,IAAR,EAAc,IAAI4G,qBAAlB,EAAyC5J,KAAzC,CAA1B;AACD;AAEM,SAASmK,0BAAT,CAAqCnH,KAArC,EAAoD+G,QAApD,EAAkF;AAAA,MAA9BA,QAA8B;AAA9BA,YAA8B,GAAX,CAAW;AAAA;;AACvF,SAAOC,mBAAmB,CAAChH,KAAD,EAAQ4G,qBAAR,EAA+B,IAAIG,QAAnC,CAA1B;AACD,C;;ACjBD;;;AAIA;AACA;AAEA;AACA;AAEA;AAEA;AAEA,IAAMK,+BAA+B,GAAGD,0BAA0B,CAAC,EAAD,CAAlE;AACA,IAAME,6BAA6B,GAAGF,0BAA0B,CAAC,GAAD,CAAhE;;IAEMG,sB;;;AACJ,sBAAatc,QAAb,EAAuBC,MAAvB,EAA+BoN,aAA/B,EAA8CkP,MAA9C,EAAsD;AACpD,SAAKvc,QAAL,GAAgBA,QAAhB;AACA,SAAKC,MAAL,GAAcA,MAAd;AACA,SAAKoN,aAAL,GAAqBA,aAArB;AACA,QAAM7K,SAAS,GAAGC,SAAS,CAACD,SAA5B;AACA,SAAKga,QAAL,GAAgBD,MAAM,IAAIA,MAAM,CAACvZ,OAAP,CAAe,OAAf,IAA0B,CAAC,CAArC,IAA0CR,SAA1C,IAAuD,CAACA,SAAS,CAACia,KAAV,CAAgB,OAAhB,CAAxE;AACA,SAAKC,WAAL,GAAmB,KAAnB;AACD;;;;SAED/c,O,GAAA,mBAAW,CACV,C;;SAED+F,c,GAAA,wBAAgBiX,gBAAhB,EAAkC;AAChC,SAAK7L,QAAL,GAAgB,KAAKC,QAAL,GAAgB4L,gBAAhC;AACD,G;;SAED5X,gB,GAAA,4BAAoB;AAClB,SAAK2X,WAAL,GAAmB,KAAnB;AACD,G;;SAEDnW,K,GAAA,eAAOwI,UAAP,EAAmB4B,UAAnB,EAA+B3B,QAA/B,EAAyC4B,SAAzC,EAAoD5K,UAApD,EAAgEC,UAAhE,EAA4EC,kBAA5E,EAAgG;AAC9F;AACA,QAAI,CAAC,KAAKwW,WAAV,EAAuB;AACrB,WAAKE,UAAL,CAAgB7N,UAAhB,EAA4B4B,UAA5B,EAAwC3K,UAAxC;AACD;;AAED,QAAI,KAAK0W,WAAT,EAAsB;AACpB,UAAMG,cAAc,GAAG9N,UAAU,CAACrK,OAAX,CAAmBpH,MAA1C;AACA,UAAMwf,cAAc,GAAGnM,UAAU,CAACjM,OAAX,CAAmBpH,MAA1C;AACA,UAAIyf,eAAe,GAAG/W,UAAtB;AACA,UAAIgX,eAAe,GAAGhX,UAAtB;;AACA,UAAI6W,cAAc,IAAIC,cAAtB,EAAsC;AACpC;AACA;AACA;AACA;AACA,YAAIG,kBAAkB,GAAG,CAAClO,UAAU,CAACrK,OAAX,CAAmB,CAAnB,EAAsBV,GAAtB,GAA4B2M,UAAU,CAACjM,OAAX,CAAmB,CAAnB,EAAsBV,GAAnD,IAA0D2M,UAAU,CAAClL,cAA9F;AACAsX,uBAAe,IAAI5U,IAAI,CAAC+U,GAAL,CAAS,CAAT,EAAYD,kBAAZ,CAAnB;AACAD,uBAAe,IAAI7U,IAAI,CAAC+U,GAAL,CAAS,CAAT,EAAY,CAACD,kBAAb,CAAnB;AACD,OAbmB,CAcpB;AACA;AACA;;;AACA,UAAIJ,cAAJ,EAAoB;AAClB;AACA,YAAI,CAAC9N,UAAU,CAACkL,SAAhB,EAA2B;AACzBtZ,0BAAM,CAACgN,IAAP,CAAY,0CAAZ;AACA,eAAKiP,UAAL,CAAgB7N,UAAhB,EAA4B4B,UAA5B,EAAwC3K,UAAxC;AACD;;AACD,YAAIuJ,SAAS,GAAG,KAAK4N,UAAL,CAAgBpO,UAAhB,EAA4BgO,eAA5B,EAA6C9W,UAA7C,EAAyDC,kBAAzD,CAAhB,CANkB,CAOlB;;AACA,YAAI4W,cAAJ,EAAoB;AAClB,cAAIM,gBAAJ;;AACA,cAAI7N,SAAJ,EAAe;AACb6N,4BAAgB,GAAG7N,SAAS,CAAC8N,MAAV,GAAmB9N,SAAS,CAAC+N,QAAhD;AACD,WAJiB,CAMlB;;;AACA,cAAI,CAAC3M,UAAU,CAACsJ,SAAhB,EAA2B;AACzBtZ,4BAAM,CAACgN,IAAP,CAAY,0CAAZ;AACA,iBAAKiP,UAAL,CAAgB7N,UAAhB,EAA4B4B,UAA5B,EAAwC3K,UAAxC;AACD;;AACD,eAAKuX,UAAL,CAAgB5M,UAAhB,EAA4BqM,eAA5B,EAA6C/W,UAA7C,EAAyDmX,gBAAzD,EAA2ElX,kBAA3E;AACD;AACF,OArBD,MAqBO;AACL;AACA,YAAI4W,cAAJ,EAAoB;AAClB,cAAIU,SAAS,GAAG,KAAKD,UAAL,CAAgB5M,UAAhB,EAA4BqM,eAA5B,EAA6C/W,UAA7C,EAAyD,CAAzD,EAA4DC,kBAA5D,CAAhB;;AACA,cAAIsX,SAAS,IAAIzO,UAAU,CAAC5L,KAA5B,EAAmC;AACjC,iBAAKsa,eAAL,CAAqB1O,UAArB,EAAiCgO,eAAjC,EAAkD9W,UAAlD,EAA8DuX,SAA9D;AACD;AACF;AACF;AACF,KArD6F,CAsD9F;;;AACA,QAAIxO,QAAQ,CAACtK,OAAT,CAAiBpH,MAArB,EAA6B;AAC3B,WAAKogB,QAAL,CAAc1O,QAAd,EAAwBhJ,UAAxB;AACD,KAzD6F,CA2D9F;;;AACA,QAAI4K,SAAS,CAAClM,OAAV,CAAkBpH,MAAtB,EAA8B;AAC5B,WAAKqgB,SAAL,CAAe/M,SAAf,EAA0B5K,UAA1B;AACD,KA9D6F,CAgE9F;;;AACA,SAAKhG,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACoc,WAA5B;AACD,G;;SAEDhB,U,GAAA,oBAAY7N,UAAZ,EAAwB4B,UAAxB,EAAoC3K,UAApC,EAAgD;AAC9C,QAAIhG,QAAQ,GAAG,KAAKA,QAApB;AAAA,QACE6d,YAAY,GAAG9O,UAAU,CAACrK,OAD5B;AAAA,QAEEoZ,YAAY,GAAGnN,UAAU,CAACjM,OAF5B;AAAA,QAGE2I,aAAa,GAAG,KAAKA,aAHvB;AAAA,QAIEjI,SAAS,GAAG,WAJd;AAAA,QAKEkV,MAAM,GAAG,EALX;AAAA,QAME/f,IAAI,GAAG;AAAE+f,YAAM,EAAEA;AAAV,KANT;AAAA,QAOEyD,aAAa,GAAI,KAAKjN,QAAL,KAAkBlR,SAPrC;AAAA,QAQEoe,OARF;AAAA,QAQWC,OARX;;AAUA,QAAIF,aAAJ,EAAmB;AACjBC,aAAO,GAAGC,OAAO,GAAGC,QAApB;AACD;;AAED,QAAInP,UAAU,CAAC9O,MAAX,IAAqB4d,YAAY,CAACvgB,MAAtC,EAA8C;AAC5C;AACA;AACA;AACA;AACAyR,gBAAU,CAACkL,SAAX,GAAuBlL,UAAU,CAAC9L,UAAlC;AACAtC,sBAAM,CAACC,GAAP,4BAAoCmO,UAAU,CAAC9L,UAA/C;;AACA,UAAI,CAAC8L,UAAU,CAACxJ,KAAhB,EAAuB;AACrB,YAAI8H,aAAa,CAACkD,IAAlB,EAAwB;AAAE;AACxBnL,mBAAS,GAAG,YAAZ;AACA2J,oBAAU,CAAC5L,KAAX,GAAmB,EAAnB;AACD,SAHD,MAGO,IAAIkK,aAAa,CAACmD,GAAlB,EAAuB;AAAE;AAC9BzB,oBAAU,CAAC5L,KAAX,GAAmB,KAAnB;AACD;AACF;;AACDmX,YAAM,CAACrN,KAAP,GAAe;AACb7H,iBAAS,EAAEA,SADE;AAEbjC,aAAK,EAAE4L,UAAU,CAAC5L,KAFL;AAGb6B,mBAAW,EAAE,CAAC+J,UAAU,CAACxJ,KAAZ,IAAqB8H,aAAa,CAACkD,IAAnC,GAA0C,IAAItI,UAAJ,EAA1C,GAA6DoO,aAAG,CAACrR,WAAJ,CAAgB,CAAC+J,UAAD,CAAhB,CAH7D;AAIboP,gBAAQ,EAAE;AACRjb,sBAAY,EAAE6L,UAAU,CAAC7L;AADjB;AAJG,OAAf;;AAQA,UAAI6a,aAAJ,EAAmB;AACjB;AACAC,eAAO,GAAGC,OAAO,GAAGJ,YAAY,CAAC,CAAD,CAAZ,CAAgB7Z,GAAhB,GAAsB+K,UAAU,CAACtJ,cAAX,GAA4BO,UAAtE;AACD;AACF;;AAED,QAAI2K,UAAU,CAAC4B,GAAX,IAAkB5B,UAAU,CAAC+D,GAA7B,IAAoCoJ,YAAY,CAACxgB,MAArD,EAA6D;AAC3D;AACA;AACA,UAAMmI,cAAc,GAAGkL,UAAU,CAAClL,cAAlC;AACAkL,gBAAU,CAACsJ,SAAX,GAAuBxU,cAAvB;AACA6U,YAAM,CAACtN,KAAP,GAAe;AACb5H,iBAAS,EAAE,WADE;AAEbjC,aAAK,EAAEwN,UAAU,CAACxN,KAFL;AAGb6B,mBAAW,EAAEqR,aAAG,CAACrR,WAAJ,CAAgB,CAAC2L,UAAD,CAAhB,CAHA;AAIbwN,gBAAQ,EAAE;AACRpT,eAAK,EAAE4F,UAAU,CAAC5F,KADV;AAERE,gBAAM,EAAE0F,UAAU,CAAC1F;AAFX;AAJG,OAAf;;AASA,UAAI8S,aAAJ,EAAmB;AACjBC,eAAO,GAAG7V,IAAI,CAACC,GAAL,CAAS4V,OAAT,EAAkBF,YAAY,CAAC,CAAD,CAAZ,CAAgB9Z,GAAhB,GAAsByB,cAAc,GAAGO,UAAzD,CAAV;AACAiY,eAAO,GAAG9V,IAAI,CAACC,GAAL,CAAS6V,OAAT,EAAkBH,YAAY,CAAC,CAAD,CAAZ,CAAgBrZ,GAAhB,GAAsBgB,cAAc,GAAGO,UAAzD,CAAV;AACA,aAAKhG,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAAC4c,cAA5B,EAA4C;AAAEJ,iBAAO,EAAEA;AAAX,SAA5C;AACD;AACF;;AAED,QAAIK,MAAM,CAACC,IAAP,CAAYhE,MAAZ,EAAoBhd,MAAxB,EAAgC;AAC9B0C,cAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAAC+c,yBAAvB,EAAkDhkB,IAAlD;AACA,WAAKmiB,WAAL,GAAmB,IAAnB;;AACA,UAAIqB,aAAJ,EAAmB;AACjB,aAAKjN,QAAL,GAAgBkN,OAAhB;AACA,aAAKjN,QAAL,GAAgBkN,OAAhB;AACD;AACF,KAPD,MAOO;AACLje,cAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,YAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,eAAO,EAAEC,sBAAY,CAACe,kBAAtD;AAA0Eb,aAAK,EAAE,KAAjF;AAAwFC,cAAM,EAAE;AAAhG,OAA9B;AACD;AACF,G;;SAEDsb,U,GAAA,oBAAY1Z,KAAZ,EAAmBmC,UAAnB,EAA+BC,UAA/B,EAA2CmX,gBAA3C,EAA6DlX,kBAA7D,EAAiF;AAC/E,QAAI7I,MAAM,GAAG,CAAb;AACA,QAAImhB,iBAAJ;AACA,QAAIxH,IAAJ;AACA,QAAIK,IAAJ;AACA,QAAIoH,QAAJ;AACA,QAAIC,QAAJ;AACA,QAAIC,OAAJ;AACA,QAAIC,OAAJ;AACA,QAAMC,SAAS,GAAGhb,KAAK,CAACoW,SAAxB;AACA,QAAM6E,YAAY,GAAGjb,KAAK,CAACa,OAA3B;AACA,QAAMqa,aAAa,GAAG,EAAtB;AACA,QAAM5M,SAAS,GAAG2M,YAAY,CAACxhB,MAA/B;AACA,QAAM0hB,YAAY,GAAG,KAAKC,aAA1B;AACA,QAAMjB,OAAO,GAAG,KAAKlN,QAArB,CAd+E,CAgB/E;;AACA,QAAIoO,UAAU,GAAG,KAAKA,UAAtB;AAEA,QAAM1C,QAAQ,GAAG,KAAKA,QAAtB;;AAEA,QAAIrK,SAAS,KAAK,CAAlB,EAAqB;AACnB;AACD,KAvB8E,CAyB/E;;;AACA,QAAIqK,QAAJ,EAAc;AACZ;AACA;AACA;AACA;AACA;AACAvW,gBAAU,IAAK6Y,YAAY,CAACxhB,MAAb,IAAuB4hB,UAAvB,KACEhZ,kBAAkB,IAAIiC,IAAI,CAAC4N,GAAL,CAAS/P,UAAU,GAAGkZ,UAAU,GAAGL,SAAnC,IAAgD,GAAvE,IACA1W,IAAI,CAAC4N,GAAL,CAAU+I,YAAY,CAAC,CAAD,CAAZ,CAAgB9a,GAAhB,GAAsBkb,UAAtB,GAAmClB,OAA7C,IAAyDa,SAAS,GAAG,CAFtE,CAAf;AAID;;AAED,QAAI,CAAC5Y,UAAL,EAAiB;AACf;AACAiZ,gBAAU,GAAGlZ,UAAU,GAAG6Y,SAA1B;AACD,KAzC8E,CA2C/E;AACA;;;AACAC,gBAAY,CAAC/L,OAAb,CAAqB,UAAUnO,MAAV,EAAkB;AACrCA,YAAM,CAACZ,GAAP,GAAagb,YAAY,CAACpa,MAAM,CAACZ,GAAP,GAAaga,OAAd,EAAuBkB,UAAvB,CAAzB;AACAta,YAAM,CAACH,GAAP,GAAaua,YAAY,CAACpa,MAAM,CAACH,GAAP,GAAauZ,OAAd,EAAuBkB,UAAvB,CAAzB;AACD,KAHD,EA7C+E,CAkD/E;;AACAJ,gBAAY,CAACK,IAAb,CAAkB,UAAUC,CAAV,EAAahM,CAAb,EAAgB;AAChC,UAAMiM,QAAQ,GAAGD,CAAC,CAAC3a,GAAF,GAAQ2O,CAAC,CAAC3O,GAA3B;AACA,UAAM6a,QAAQ,GAAGF,CAAC,CAACpb,GAAF,GAAQoP,CAAC,CAACpP,GAA3B;AACA,aAAOqb,QAAQ,IAAKC,QAAQ,IAAKF,CAAC,CAAC/Z,EAAF,GAAO+N,CAAC,CAAC/N,EAA1C;AACD,KAJD,EAnD+E,CAyD/E;;AACA,QAAIka,WAAW,GAAGT,YAAY,CAACU,MAAb,CAAoB,UAACzhB,IAAD,EAAO0hB,IAAP;AAAA,aAAgBtX,IAAI,CAAC+U,GAAL,CAAS/U,IAAI,CAACC,GAAL,CAASrK,IAAT,EAAe0hB,IAAI,CAACzb,GAAL,GAAWyb,IAAI,CAAChb,GAA/B,CAAT,EAA8C,CAAC,CAAD,GAAK4X,6BAAnD,CAAhB;AAAA,KAApB,EAAuH,CAAvH,CAAlB;;AACA,QAAIkD,WAAW,GAAG,CAAlB,EAAqB;AACnB5e,sBAAM,CAACgN,IAAP,2DAAoEuO,mBAAmB,CAACqD,WAAD,EAAc,IAAd,CAAvF;;AACA,WAAK,IAAItjB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG6iB,YAAY,CAACxhB,MAAjC,EAAyCrB,CAAC,EAA1C,EAA8C;AAC5C6iB,oBAAY,CAAC7iB,CAAD,CAAZ,CAAgBwI,GAAhB,IAAuB8a,WAAvB;AACD;AACF,KAhE8E,CAkE/E;;;AACA,QAAI3a,MAAM,GAAGka,YAAY,CAAC,CAAD,CAAzB;AACAJ,YAAQ,GAAGvW,IAAI,CAAC+U,GAAL,CAAStY,MAAM,CAACH,GAAhB,EAAqB,CAArB,CAAX;AACAga,YAAQ,GAAGtW,IAAI,CAAC+U,GAAL,CAAStY,MAAM,CAACZ,GAAhB,EAAqB,CAArB,CAAX,CArE+E,CAuE/E;;AACA,QAAI0b,KAAK,GAAGhB,QAAQ,GAAGQ,UAAvB,CAxE+E,CAyE/E;;AACA,QAAIjZ,UAAJ,EAAgB;AACd,UAAIyZ,KAAJ,EAAW;AACT,YAAIA,KAAK,GAAG,CAAZ,EAAe;AACb/e,0BAAM,CAACC,GAAP,WAAmBsb,mBAAmB,CAACwD,KAAD,EAAQ,IAAR,CAAtC;AACD,SAFD,MAEO,IAAIA,KAAK,GAAG,CAAC,CAAb,EAAgB;AACrB/e,0BAAM,CAACC,GAAP,WAAmBsb,mBAAmB,CAAC,CAACwD,KAAF,EAAS,IAAT,CAAtC;AACD,SALQ,CAOT;;;AACAhB,gBAAQ,GAAGQ,UAAX;AACAJ,oBAAY,CAAC,CAAD,CAAZ,CAAgBra,GAAhB,GAAsBia,QAAtB,CATS,CAUT;;AACAD,gBAAQ,GAAGtW,IAAI,CAAC+U,GAAL,CAASuB,QAAQ,GAAGiB,KAApB,EAA2BR,UAA3B,CAAX;AACAJ,oBAAY,CAAC,CAAD,CAAZ,CAAgB9a,GAAhB,GAAsBya,QAAtB;AACA9d,wBAAM,CAACC,GAAP,+BAAuCsb,mBAAmB,CAACuC,QAAD,EAAW,IAAX,CAA1D,SAA8EvC,mBAAmB,CAACwC,QAAD,EAAW,IAAX,CAAjG,iBAA6HxC,mBAAmB,CAACwD,KAAD,EAAQ,IAAR,CAAhJ;AACD;AACF,KA1F8E,CA4F/E;;;AACA9a,UAAM,GAAGka,YAAY,CAACA,YAAY,CAACxhB,MAAb,GAAsB,CAAvB,CAArB;AACAshB,WAAO,GAAGzW,IAAI,CAAC+U,GAAL,CAAStY,MAAM,CAACH,GAAhB,EAAqB,CAArB,CAAV;AACAka,WAAO,GAAGxW,IAAI,CAAC+U,GAAL,CAAStY,MAAM,CAACZ,GAAhB,EAAqB,CAArB,EAAwB4a,OAAxB,CAAV,CA/F+E,CAiG/E;AACA;AACA;;AACA,QAAIpC,QAAJ,EAAc;AACZgC,uBAAiB,GAAGrW,IAAI,CAAC6J,KAAL,CAAW,CAAC4M,OAAO,GAAGF,QAAX,KAAwBI,YAAY,CAACxhB,MAAb,GAAsB,CAA9C,CAAX,CAApB;AACD;;AAED,QAAIqiB,MAAM,GAAG,CAAb;AAAA,QAAgBC,OAAO,GAAG,CAA1B;;AACA,SAAK,IAAI3jB,EAAC,GAAG,CAAb,EAAgBA,EAAC,GAAGkW,SAApB,EAA+BlW,EAAC,EAAhC,EAAoC;AAClC;AACA,UAAI2I,OAAM,GAAGka,YAAY,CAAC7iB,EAAD,CAAzB;AAAA,UAA8B6Q,KAAK,GAAGlI,OAAM,CAACkI,KAA7C;AAAA,UAAoD+S,OAAO,GAAG/S,KAAK,CAACxP,MAApE;AAAA,UAA4EwiB,SAAS,GAAG,CAAxF;;AACA,WAAK,IAAInW,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGkW,OAApB,EAA6BlW,CAAC,EAA9B,EAAkC;AAChCmW,iBAAS,IAAIhT,KAAK,CAACnD,CAAD,CAAL,CAASpP,IAAT,CAAc+C,MAA3B;AACD;;AAEDsiB,aAAO,IAAIE,SAAX;AACAH,YAAM,IAAIE,OAAV;AACAjb,aAAM,CAACtH,MAAP,GAAgBwiB,SAAhB,CATkC,CAWlC;;AACA,UAAItD,QAAJ,EAAc;AACZ;AACA5X,eAAM,CAACH,GAAP,GAAaia,QAAQ,GAAGziB,EAAC,GAAGuiB,iBAA5B;AACD,OAHD,MAGO;AACL;AACA5Z,eAAM,CAACH,GAAP,GAAa0D,IAAI,CAAC+U,GAAL,CAAStY,OAAM,CAACH,GAAhB,EAAqBia,QAArB,CAAb;AACD,OAlBiC,CAmBlC;;;AACA9Z,aAAM,CAACZ,GAAP,GAAamE,IAAI,CAAC+U,GAAL,CAAStY,OAAM,CAACZ,GAAhB,EAAqBY,OAAM,CAACH,GAA5B,CAAb;AACD;AAED;;;;AAEA,QAAIsb,QAAQ,GAAGH,OAAO,GAAI,IAAID,MAAf,GAAyB,CAAxC;;AACA,QAAI;AACF3I,UAAI,GAAG,IAAI/O,UAAJ,CAAe8X,QAAf,CAAP;AACD,KAFD,CAEE,OAAO7e,GAAP,EAAY;AACZ,WAAKlB,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACC,KAA5B,EAAmC;AAAEC,YAAI,EAAEC,oBAAU,CAACqe,SAAnB;AAA8Bne,eAAO,EAAEC,sBAAY,CAACme,iBAApD;AAAuEje,aAAK,EAAE,KAA9E;AAAqF8R,aAAK,EAAEiM,QAA5F;AAAsG9d,cAAM,kCAAgC8d;AAA5I,OAAnC;AACA;AACD;;AACD,QAAIhkB,IAAI,GAAG,IAAIb,QAAJ,CAAa8b,IAAI,CAAClc,MAAlB,CAAX;AACAiB,QAAI,CAACmkB,SAAL,CAAe,CAAf,EAAkBH,QAAlB;AACA/I,QAAI,CAAC3O,GAAL,CAASgO,aAAG,CAACE,KAAJ,CAAUS,IAAnB,EAAyB,CAAzB;;AAEA,SAAK,IAAI/a,GAAC,GAAG,CAAb,EAAgBA,GAAC,GAAGkW,SAApB,EAA+BlW,GAAC,EAAhC,EAAoC;AAClC,UAAIsS,SAAS,GAAGuQ,YAAY,CAAC7iB,GAAD,CAA5B;AAAA,UACEkkB,cAAc,GAAG5R,SAAS,CAACzB,KAD7B;AAAA,UAEEsT,eAAe,GAAG,CAFpB;AAAA,UAGEC,qBAAqB,SAHvB,CADkC,CAKlC;;AACA,WAAK,IAAI1W,EAAC,GAAG,CAAR,EAAWkW,QAAO,GAAGM,cAAc,CAAC7iB,MAAzC,EAAiDqM,EAAC,GAAGkW,QAArD,EAA8DlW,EAAC,EAA/D,EAAmE;AACjE,YAAIpF,IAAI,GAAG4b,cAAc,CAACxW,EAAD,CAAzB;AAAA,YACE2W,QAAQ,GAAG/b,IAAI,CAAChK,IADlB;AAAA,YAEEgmB,WAAW,GAAGhc,IAAI,CAAChK,IAAL,CAAUS,UAF1B;AAGAe,YAAI,CAACmkB,SAAL,CAAe7iB,MAAf,EAAuBkjB,WAAvB;AACAljB,cAAM,IAAI,CAAV;AACA2Z,YAAI,CAAC3O,GAAL,CAASiY,QAAT,EAAmBjjB,MAAnB;AACAA,cAAM,IAAIkjB,WAAV;AACAH,uBAAe,IAAI,IAAIG,WAAvB;AACD;;AAED,UAAI,CAAC/D,QAAL,EAAe;AACb;AACA,YAAIvgB,GAAC,GAAGkW,SAAS,GAAG,CAApB,EAAuB;AACrBqM,2BAAiB,GAAGM,YAAY,CAAC7iB,GAAC,GAAG,CAAL,CAAZ,CAAoBwI,GAApB,GAA0B8J,SAAS,CAAC9J,GAAxD;AACD,SAFD,MAEO;AACL,cAAIxE,MAAM,GAAG,KAAKA,MAAlB;AAAA,cACEugB,iBAAiB,GAAGjS,SAAS,CAAC9J,GAAV,GAAgBqa,YAAY,CAAC7iB,GAAC,GAAG,CAAJ,GAAQA,GAAC,GAAG,CAAZ,GAAgBA,GAAjB,CAAZ,CAAgCwI,GADtE;;AAEA,cAAIxE,MAAM,CAACwgB,sBAAX,EAAmC;AACjC;AACA;AACA;AACA;AACA;AACA,gBAAIC,aAAa,GAAGzgB,MAAM,CAACygB,aAA3B;AAAA,gBACEC,YAAY,GAAGxY,IAAI,CAACkE,KAAL,CAAWqU,aAAa,GAAG7B,SAA3B,CADjB;AAAA,gBAEE+B,eAAe,GAAG,CAACxD,gBAAgB,GAAGqB,QAAQ,GAAGrB,gBAAgB,GAAGyB,SAAjC,GAA6C,KAAKgC,YAAnE,IAAmFtS,SAAS,CAACvK,GAFjH;;AAGA,gBAAI4c,eAAe,GAAGD,YAAtB,EAAoC;AAClC;AACA;AACAnC,+BAAiB,GAAGoC,eAAe,GAAGJ,iBAAtC;;AACA,kBAAIhC,iBAAiB,GAAG,CAAxB,EAA2B;AACzBA,iCAAiB,GAAGgC,iBAApB;AACD;;AAED7f,8BAAM,CAACC,GAAP,0BAAkCsb,mBAAmB,CAAC0E,eAAD,EAAkB,KAAlB,CAArD,gDAAwH1E,mBAAmB,CAACsC,iBAAD,EAAoB,KAApB,CAA3I;AACD,aATD,MASO;AACLA,+BAAiB,GAAGgC,iBAApB;AACD;AACF,WArBD,MAqBO;AACLhC,6BAAiB,GAAGgC,iBAApB;AACD;AACF;;AACDH,6BAAqB,GAAGlY,IAAI,CAAC6J,KAAL,CAAWzD,SAAS,CAACvK,GAAV,GAAgBuK,SAAS,CAAC9J,GAArC,CAAxB;AACD,OAjCD,MAiCO;AACL4b,6BAAqB,GAAGlY,IAAI,CAAC+U,GAAL,CAAS,CAAT,EAAYsB,iBAAiB,GAAGrW,IAAI,CAAC6J,KAAL,CAAW,CAACzD,SAAS,CAACvK,GAAV,GAAgBuK,SAAS,CAAC9J,GAA3B,IAAkC+Z,iBAA7C,CAAhC,CAAxB;AACD,OApDiC,CAsDlC;;;AACAO,mBAAa,CAACpa,IAAd,CAAmB;AACjB+D,YAAI,EAAE0X,eADW;AAEjB;AACAlb,gBAAQ,EAAEsZ,iBAHO;AAIjBlD,WAAG,EAAE+E,qBAJY;AAKjB3F,aAAK,EAAE;AACLa,mBAAS,EAAE,CADN;AAELX,sBAAY,EAAE,CAFT;AAGLC,uBAAa,EAAE,CAHV;AAILa,oBAAU,EAAE,CAJP;AAKLf,mBAAS,EAAEpM,SAAS,CAAC/T,GAAV,GAAgB,CAAhB,GAAoB,CAL1B;AAMLihB,mBAAS,EAAElN,SAAS,CAAC/T,GAAV,GAAgB,CAAhB,GAAoB;AAN1B;AALU,OAAnB;AAcD,KAlN8E,CAmN/E;;;AACA,SAAK0kB,UAAL,GAAkBN,OAAO,GAAGJ,iBAA5B;AACA,QAAIzQ,OAAO,GAAGlK,KAAK,CAACkK,OAApB;AACAlK,SAAK,CAAC8b,MAAN,GAAe,CAAf;AACA9b,SAAK,CAACkK,OAAN,GAAgB,CAAhB;;AACA,QAAIgR,aAAa,CAACzhB,MAAd,IAAwBmF,SAAS,CAACD,SAAV,CAAoBE,WAApB,GAAkCM,OAAlC,CAA0C,QAA1C,IAAsD,CAAC,CAAnF,EAAsF;AACpF,UAAI0X,KAAK,GAAGqE,aAAa,CAAC,CAAD,CAAb,CAAiBrE,KAA7B,CADoF,CAEpF;AACA;;AACAA,WAAK,CAACC,SAAN,GAAkB,CAAlB;AACAD,WAAK,CAACe,SAAN,GAAkB,CAAlB;AACD;;AACD5X,SAAK,CAACa,OAAN,GAAgBqa,aAAhB;AACA1H,QAAI,GAAGhB,aAAG,CAACgB,IAAJ,CAASxT,KAAK,CAACyB,cAAN,EAAT,EAAiCoZ,QAAjC,EAA2C7a,KAA3C,CAAP;AACAA,SAAK,CAACa,OAAN,GAAgB,EAAhB;AAEA,QAAInK,IAAI,GAAG;AACTumB,WAAK,EAAEzJ,IADE;AAET0J,WAAK,EAAE/J,IAFE;AAGTsG,cAAQ,EAAEmB,QAAQ,GAAGI,SAHZ;AAITxB,YAAM,EAAE,CAACsB,OAAO,GAAGH,iBAAX,IAAgCK,SAJ/B;AAKTmC,cAAQ,EAAEtC,QAAQ,GAAGG,SALZ;AAMToC,YAAM,EAAE,KAAK/B,UAAL,GAAkBL,SANjB;AAOTnd,UAAI,EAAE,OAPG;AAQTwf,cAAQ,EAAE,KARD;AASTC,cAAQ,EAAE,IATD;AAUTC,QAAE,EAAErC,aAAa,CAACzhB,MAVT;AAWTyQ,aAAO,EAAEA;AAXA,KAAX;AAaA,SAAK/N,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAAC6f,iBAA5B,EAA+C9mB,IAA/C;AACA,WAAOA,IAAP;AACD,G;;SAED4iB,U,GAAA,oBAAYtZ,KAAZ,EAAmBmC,UAAnB,EAA+BC,UAA/B,EAA2CC,kBAA3C,EAA+D;AAC7D,QAAMT,cAAc,GAAG5B,KAAK,CAAC4B,cAA7B;AACA,QAAM6b,YAAY,GAAGzd,KAAK,CAACoW,SAA3B;AACA,QAAMsH,WAAW,GAAG9b,cAAc,GAAG6b,YAArC;AACA,QAAM9C,iBAAiB,GAAG3a,KAAK,CAAC0B,KAAN,GAAc,IAAd,GAAqB,IAA/C;AACA,QAAMic,mBAAmB,GAAGhD,iBAAiB,GAAG+C,WAAhD;AACA,QAAMvC,YAAY,GAAG,KAAKC,aAA1B;AACA,QAAMjB,OAAO,GAAG,KAAKlN,QAArB;AACA,QAAM2Q,OAAO,GAAG,CAAC5d,KAAK,CAAC0B,KAAP,IAAgB,KAAK8H,aAAL,CAAmBkD,IAAnD;AAEA,QAAImR,SAAJ;AACA,QAAIC,SAAJ;AACA,QAAI3K,IAAJ;AACA,QAAIK,IAAJ;AACA,QAAIoH,QAAJ;AACA,QAAIE,OAAJ;AACA,QAAIthB,MAAM,GAAIokB,OAAO,GAAG,CAAH,GAAO,CAA5B;AACA,QAAI3C,YAAY,GAAGjb,KAAK,CAACa,OAAzB;AACA,QAAIqa,aAAa,GAAG,EAApB;AACA,QAAI8B,YAAY,GAAG,KAAKA,YAAxB,CAnB6D,CAqB7D;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AACA5a,cAAU,IAAK6Y,YAAY,CAACxhB,MAAb,IAAuBujB,YAAvB,KACE3a,kBAAkB,IAAIiC,IAAI,CAAC4N,GAAL,CAAS/P,UAAU,GAAG6a,YAAY,GAAGpb,cAArC,IAAuD,GAA9E,IACA0C,IAAI,CAAC4N,GAAL,CAAU+I,YAAY,CAAC,CAAD,CAAZ,CAAgB9a,GAAhB,GAAsB6c,YAAtB,GAAqC7C,OAA/C,IAA2D,KAAKwD,mBAFjE,CAAf,CA7B6D,CAkC7D;;AACA1C,gBAAY,CAAC/L,OAAb,CAAqB,UAAUnO,MAAV,EAAkB;AACrCA,YAAM,CAACZ,GAAP,GAAaY,MAAM,CAACH,GAAP,GAAaua,YAAY,CAACpa,MAAM,CAACZ,GAAP,GAAaga,OAAd,EAAuBhY,UAAU,GAAGP,cAApC,CAAtC;AACD,KAFD,EAnC6D,CAuC7D;AACA;AACA;;AACAqZ,gBAAY,GAAGA,YAAY,CAAC8C,MAAb,CAAoB,UAAUhd,MAAV,EAAkB;AACnD,aAAOA,MAAM,CAACZ,GAAP,IAAc,CAArB;AACD,KAFc,CAAf,CA1C6D,CA8C7D;;AACA,QAAI8a,YAAY,CAACxhB,MAAb,KAAwB,CAA5B,EAA+B;AAC7B;AACD;;AAED,QAAI,CAAC2I,UAAL,EAAiB;AACf,UAAI,CAACC,kBAAL,EAAyB;AACvB;AACA2a,oBAAY,GAAG/B,YAAY,CAAC,CAAD,CAAZ,CAAgB9a,GAA/B;AACD,OAHD,MAGO;AACL;AACA6c,oBAAY,GAAG7a,UAAU,GAAGP,cAA5B;AACD;AACF,KA3D4D,CA6D7D;AACA;AACA;AACA;AACA;;;AAEA,QAAI5B,KAAK,CAAC0B,KAAV,EAAiB;AACf,UAAMsc,mBAAmB,GAAG,KAAK5hB,MAAL,CAAY4hB,mBAAxC;;AACA,WAAK,IAAI5lB,CAAC,GAAG,CAAR,EAAW6lB,OAAO,GAAGjB,YAA1B,EAAwC5kB,CAAC,GAAG6iB,YAAY,CAACxhB,MAAzD,GAAkE;AAChE;AACA,YAAIsH,MAAM,GAAGka,YAAY,CAAC7iB,CAAD,CAAzB;AAAA,YAA8ByjB,KAA9B;AACA,YAAI1b,GAAG,GAAGY,MAAM,CAACZ,GAAjB;AACA0b,aAAK,GAAG1b,GAAG,GAAG8d,OAAd,CAJgE,CAMhE;;AACA,YAAIpC,KAAK,IAAI,CAACmC,mBAAD,GAAuBL,mBAApC,EAAyD;AACvD7gB,0BAAM,CAACgN,IAAP,+BAAwCuO,mBAAmB,CAAC4F,OAAD,EAAU,IAAV,CAA3D,mBAAwF5F,mBAAmB,CAACwD,KAAD,EAAQ,IAAR,CAA3G;AACAZ,sBAAY,CAAC/M,MAAb,CAAoB9V,CAApB,EAAuB,CAAvB,EAFuD,CAGvD;AACD,SAJD,CAIE;AAEF;AACA;AACA;AACA;AATA,aAUK,IAAIyjB,KAAK,IAAImC,mBAAmB,GAAGL,mBAA/B,IAAsD9B,KAAK,GAAGtD,+BAA9D,IAAiG0F,OAArG,EAA8G;AACjH,gBAAIC,OAAO,GAAG5Z,IAAI,CAAC6J,KAAL,CAAW0N,KAAK,GAAG8B,mBAAnB,CAAd;AACA7gB,4BAAM,CAACgN,IAAP,gBAAyBoU,OAAzB,wBAAmD7F,mBAAmB,CAAC4F,OAAD,EAAU,IAAV,CAAtE,mBAAmG5F,mBAAmB,CAAC4F,OAAD,EAAU,IAAV,CAAtH;;AACA,iBAAK,IAAInY,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGoY,OAApB,EAA6BpY,CAAC,EAA9B,EAAkC;AAChC,kBAAIqY,QAAQ,GAAG7Z,IAAI,CAAC+U,GAAL,CAAS4E,OAAT,EAAkB,CAAlB,CAAf;AACAH,uBAAS,GAAG1L,UAAG,CAACC,cAAJ,CAAmBrS,KAAK,CAAClB,aAAN,IAAuBkB,KAAK,CAACV,KAAhD,EAAuDU,KAAK,CAACX,YAA7D,CAAZ;;AACA,kBAAI,CAACye,SAAL,EAAgB;AACdhhB,gCAAM,CAACC,GAAP,CAAW,mFAAX;AACA+gB,yBAAS,GAAG/c,MAAM,CAACL,IAAP,CAAYC,QAAZ,EAAZ;AACD;;AACDsa,0BAAY,CAAC/M,MAAb,CAAoB9V,CAApB,EAAuB,CAAvB,EAA0B;AAAEsI,oBAAI,EAAEod,SAAR;AAAmB3d,mBAAG,EAAEge,QAAxB;AAAkCvd,mBAAG,EAAEud;AAAvC,eAA1B;AACAF,qBAAO,IAAIN,mBAAX;AACAvlB,eAAC;AACF,aAbgH,CAejH;;;AACA2I,kBAAM,CAACZ,GAAP,GAAaY,MAAM,CAACH,GAAP,GAAaqd,OAA1B;AACAA,mBAAO,IAAIN,mBAAX;AACAvlB,aAAC;AACF,WAnBI,MAmBE;AACL;AACA,gBAAIkM,IAAI,CAAC4N,GAAL,CAAS2J,KAAT,IAAmB,MAAM8B,mBAA7B,EAAmD,CACjD;AACD;;AACD5c,kBAAM,CAACZ,GAAP,GAAaY,MAAM,CAACH,GAAP,GAAaqd,OAA1B;AACAA,mBAAO,IAAIN,mBAAX;AACAvlB,aAAC;AACF;AACF;AACF,KAnH4D,CAqH7D;;;AACA,QAAIkW,SAAS,GAAG2M,YAAY,CAACxhB,MAA7B;AACA,QAAIyiB,QAAQ,GAAG,CAAf;;AACA,WAAO5N,SAAS,EAAhB,EAAoB;AAClB4N,cAAQ,IAAIjB,YAAY,CAAC3M,SAAD,CAAZ,CAAwB5N,IAAxB,CAA6BvJ,UAAzC;AACD;;AAED,SAAK,IAAI2O,GAAC,GAAG,CAAR,EAAWwI,UAAS,GAAG2M,YAAY,CAACxhB,MAAzC,EAAiDqM,GAAC,GAAGwI,UAArD,EAAgExI,GAAC,EAAjE,EAAqE;AACnE,UAAIsY,WAAW,GAAGnD,YAAY,CAACnV,GAAD,CAA9B;AACA,UAAIpF,IAAI,GAAG0d,WAAW,CAAC1d,IAAvB;AACA,UAAIP,IAAG,GAAGie,WAAW,CAACje,GAAtB,CAHmE,CAKnE;AACA;;AAEA,UAAI2a,OAAO,KAAK/e,SAAhB,EAA2B;AACzB8hB,iBAAS,CAACxc,QAAV,GAAqBiD,IAAI,CAAC6J,KAAL,CAAW,CAAChO,IAAG,GAAG2a,OAAP,IAAkB4C,WAA7B,CAArB;AACD,OAFD,MAEO;AACL,YAAI7B,MAAK,GAAG1b,IAAG,GAAG6c,YAAlB;;AACA,YAAIqB,gBAAgB,GAAG,CAAvB,CAFK,CAIL;AACA;;AACA,YAAIjc,UAAU,IAAIpC,KAAK,CAAC0B,KAAxB,EAA+B;AAC7B;AACA,cAAIma,MAAJ,EAAW;AACT,gBAAIA,MAAK,GAAG,CAAR,IAAaA,MAAK,GAAGtD,+BAAzB,EAA0D;AACxD;AACA;AACA8F,8BAAgB,GAAG/Z,IAAI,CAAC6J,KAAL,CAAW,CAAChO,IAAG,GAAG6c,YAAP,IAAuBW,mBAAlC,CAAnB;AAEA7gB,8BAAM,CAACC,GAAP,CAAcsb,mBAAmB,CAACwD,MAAD,EAAQ,IAAR,CAAjC;;AACA,kBAAIwC,gBAAgB,GAAG,CAAvB,EAA0B;AACxBP,yBAAS,GAAG1L,UAAG,CAACC,cAAJ,CAAmBrS,KAAK,CAAClB,aAAN,IAAuBkB,KAAK,CAACV,KAAhD,EAAuDU,KAAK,CAACX,YAA7D,CAAZ;;AACA,oBAAI,CAACye,SAAL,EAAgB;AACdA,2BAAS,GAAGpd,IAAI,CAACC,QAAL,EAAZ;AACD;;AAEDub,wBAAQ,IAAImC,gBAAgB,GAAGP,SAAS,CAACrkB,MAAzC;AACD,eAbuD,CAcxD;;AACD,aAfD,MAeO,IAAIoiB,MAAK,GAAG,CAAC,EAAb,EAAiB;AACtB;AACA/e,8BAAM,CAACC,GAAP,0DAAkEsb,mBAAmB,CAAC2E,YAAD,EAAe,IAAf,CAArF,cAAkH3E,mBAAmB,CAAClY,IAAD,EAAM,IAAN,CAArI,cAAyJkY,mBAAmB,CAAC,CAACwD,MAAF,EAAS,IAAT,CAA5K;AACAK,sBAAQ,IAAIxb,IAAI,CAACvJ,UAAjB;AACA;AACD,aArBQ,CAsBT;;;AACAgJ,gBAAG,GAAG6c,YAAN;AACD;AACF,SAjCI,CAkCL;;;AACApC,gBAAQ,GAAGza,IAAX;;AACA,YAAI+b,QAAQ,GAAG,CAAf,EAAkB;AAChBA,kBAAQ,IAAI1iB,MAAZ;;AACA,cAAI;AACF2Z,gBAAI,GAAG,IAAI/O,UAAJ,CAAe8X,QAAf,CAAP;AACD,WAFD,CAEE,OAAO7e,GAAP,EAAY;AACZ,iBAAKlB,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACC,KAA5B,EAAmC;AAAEC,kBAAI,EAAEC,oBAAU,CAACqe,SAAnB;AAA8Bne,qBAAO,EAAEC,sBAAY,CAACme,iBAApD;AAAuEje,mBAAK,EAAE,KAA9E;AAAqF8R,mBAAK,EAAEiM,QAA5F;AAAsG9d,oBAAM,kCAAgC8d;AAA5I,aAAnC;AACA;AACD;;AACD,cAAI,CAAC0B,OAAL,EAAc;AACZ,gBAAM1lB,IAAI,GAAG,IAAIb,QAAJ,CAAa8b,IAAI,CAAClc,MAAlB,CAAb;AACAiB,gBAAI,CAACmkB,SAAL,CAAe,CAAf,EAAkBH,QAAlB;AACA/I,gBAAI,CAAC3O,GAAL,CAASgO,aAAG,CAACE,KAAJ,CAAUS,IAAnB,EAAyB,CAAzB;AACD;AACF,SAbD,MAaO;AACL;AACA;AACD;;AACD,aAAK,IAAI/a,GAAC,GAAG,CAAb,EAAgBA,GAAC,GAAGimB,gBAApB,EAAsCjmB,GAAC,EAAvC,EAA2C;AACzC0lB,mBAAS,GAAG1L,UAAG,CAACC,cAAJ,CAAmBrS,KAAK,CAAClB,aAAN,IAAuBkB,KAAK,CAACV,KAAhD,EAAuDU,KAAK,CAACX,YAA7D,CAAZ;;AACA,cAAI,CAACye,SAAL,EAAgB;AACdhhB,4BAAM,CAACC,GAAP,CAAW,mFAAX;AACA+gB,qBAAS,GAAGpd,IAAI,CAACC,QAAL,EAAZ;AACD;;AACDwS,cAAI,CAAC3O,GAAL,CAASsZ,SAAT,EAAoBtkB,MAApB;AACAA,gBAAM,IAAIskB,SAAS,CAAC3mB,UAApB;AACA0mB,mBAAS,GAAG;AACVhZ,gBAAI,EAAEiZ,SAAS,CAAC3mB,UADN;AAEVsgB,eAAG,EAAE,CAFK;AAGVpW,oBAAQ,EAAE,IAHA;AAIVwV,iBAAK,EAAE;AACLa,uBAAS,EAAE,CADN;AAELX,0BAAY,EAAE,CAFT;AAGLC,2BAAa,EAAE,CAHV;AAILa,wBAAU,EAAE,CAJP;AAKLf,uBAAS,EAAE;AALN;AAJG,WAAZ;AAYAoE,uBAAa,CAACpa,IAAd,CAAmB+c,SAAnB;AACD;AACF;;AACD1K,UAAI,CAAC3O,GAAL,CAAS9D,IAAT,EAAelH,MAAf;AACA,UAAI8kB,OAAO,GAAG5d,IAAI,CAACvJ,UAAnB;AACAqC,YAAM,IAAI8kB,OAAV,CAxFmE,CAyFnE;;AACAT,eAAS,GAAG;AACVhZ,YAAI,EAAEyZ,OADI;AAEV7G,WAAG,EAAE,CAFK;AAGVpW,gBAAQ,EAAE,CAHA;AAIVwV,aAAK,EAAE;AACLa,mBAAS,EAAE,CADN;AAELX,sBAAY,EAAE,CAFT;AAGLC,uBAAa,EAAE,CAHV;AAILa,oBAAU,EAAE,CAJP;AAKLf,mBAAS,EAAE;AALN;AAJG,OAAZ;AAYAoE,mBAAa,CAACpa,IAAd,CAAmB+c,SAAnB;AACA/C,aAAO,GAAG3a,IAAV;AACD;;AACD,QAAIoe,kBAAkB,GAAG,CAAzB;AACAjQ,aAAS,GAAG4M,aAAa,CAACzhB,MAA1B,CAtO6D,CAuO7D;;AACA,QAAI6U,SAAS,IAAI,CAAjB,EAAoB;AAClBiQ,wBAAkB,GAAGrD,aAAa,CAAC5M,SAAS,GAAG,CAAb,CAAb,CAA6BjN,QAAlD;AACAwc,eAAS,CAACxc,QAAV,GAAqBkd,kBAArB;AACD;;AACD,QAAIjQ,SAAJ,EAAe;AACb;AACA,WAAK0O,YAAL,GAAoBA,YAAY,GAAGlC,OAAO,GAAG4C,WAAW,GAAGa,kBAA3D,CAFa,CAGb;;AACAve,WAAK,CAACa,OAAN,GAAgBqa,aAAhB;;AACA,UAAI0C,OAAJ,EAAa;AACXpK,YAAI,GAAG,IAAIpP,UAAJ,EAAP;AACD,OAFD,MAEO;AACLoP,YAAI,GAAGhB,aAAG,CAACgB,IAAJ,CAASxT,KAAK,CAACyB,cAAN,EAAT,EAAiCmZ,QAAQ,GAAG8C,WAA5C,EAAyD1d,KAAzD,CAAP;AACD;;AAEDA,WAAK,CAACa,OAAN,GAAgB,EAAhB;AACA,UAAM+J,KAAK,GAAGgQ,QAAQ,GAAGhZ,cAAzB;AACA,UAAM4c,GAAG,GAAGxB,YAAY,GAAGpb,cAA3B;AACA,UAAM8J,SAAS,GAAG;AAChBuR,aAAK,EAAEzJ,IADS;AAEhB0J,aAAK,EAAE/J,IAFS;AAGhBsG,gBAAQ,EAAE7O,KAHM;AAIhB4O,cAAM,EAAEgF,GAJQ;AAKhBrB,gBAAQ,EAAEvS,KALM;AAMhBwS,cAAM,EAAEoB,GANQ;AAOhB3gB,YAAI,EAAE,OAPU;AAQhBwf,gBAAQ,EAAE,IARM;AAShBC,gBAAQ,EAAE,KATM;AAUhBC,UAAE,EAAEjP;AAVY,OAAlB;AAYA,WAAKnS,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAAC6f,iBAA5B,EAA+C9R,SAA/C;AACA,aAAOA,SAAP;AACD;;AACD,WAAO,IAAP;AACD,G;;SAEDkO,e,GAAA,yBAAiB5Z,KAAjB,EAAwBmC,UAAxB,EAAoCC,UAApC,EAAgDuX,SAAhD,EAA2D;AACzD,QAAI/X,cAAc,GAAG5B,KAAK,CAAC4B,cAA3B;AACA,QAAI6b,YAAY,GAAGzd,KAAK,CAACZ,UAAN,GAAmBY,KAAK,CAACZ,UAAzB,GAAsCwC,cAAzD;AACA,QAAI8b,WAAW,GAAG9b,cAAc,GAAG6b,YAAnC;AACA,QAAIT,YAAY,GAAG,KAAKA,YAAxB,CAJyD,CAMzD;;AACA,QAAIG,QAAQ,GAAG,CAACH,YAAY,KAAKjhB,SAAjB,GAA6BihB,YAA7B,GAA4CrD,SAAS,CAACwD,QAAV,GAAqBvb,cAAlE,IAAoF,KAAKsL,QAAxG;AACA,QAAIkQ,MAAM,GAAGzD,SAAS,CAACyD,MAAV,GAAmBxb,cAAnB,GAAoC,KAAKsL,QAAtD,CARyD,CASzD;;AACA,QAAIuR,cAAc,GAAG,IAArB;AACA,QAAIpe,aAAa,GAAGqd,WAAW,GAAGe,cAAlC,CAXyD,CAazD;;AACA,QAAInQ,SAAS,GAAGhK,IAAI,CAAC6C,IAAL,CAAU,CAACiW,MAAM,GAAGD,QAAV,IAAsB9c,aAAhC,CAAhB,CAdyD,CAgBzD;;AACA,QAAIqe,WAAW,GAAGtM,UAAG,CAACC,cAAJ,CAAmBrS,KAAK,CAAClB,aAAN,IAAuBkB,KAAK,CAACV,KAAhD,EAAuDU,KAAK,CAACX,YAA7D,CAAlB;AAEAvC,oBAAM,CAACgN,IAAP,CAAY,mBAAZ,EAnByD,CAoBzD;;AACA,QAAI,CAAC4U,WAAL,EAAkB;AAChB5hB,sBAAM,CAAC6hB,KAAP,CAAa,6FAAb;AACA;AACD;;AAED,QAAI9d,OAAO,GAAG,EAAd;;AACA,SAAK,IAAIzI,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGkW,SAApB,EAA+BlW,CAAC,EAAhC,EAAoC;AAClC,UAAIkI,KAAK,GAAG6c,QAAQ,GAAG/kB,CAAC,GAAGiI,aAA3B;AACAQ,aAAO,CAACC,IAAR,CAAa;AAAEJ,YAAI,EAAEge,WAAR;AAAqBve,WAAG,EAAEG,KAA1B;AAAiCM,WAAG,EAAEN;AAAtC,OAAb;AACD;;AACDN,SAAK,CAACa,OAAN,GAAgBA,OAAhB;AAEA,SAAKyY,UAAL,CAAgBtZ,KAAhB,EAAuBmC,UAAvB,EAAmCC,UAAnC;AACD,G;;SAEDyX,Q,GAAA,kBAAU7Z,KAAV,EAAiB;AACf,QAAIvG,MAAM,GAAGuG,KAAK,CAACa,OAAN,CAAcpH,MAA3B;AAAA,QAAmCsH,MAAnC;AACA,QAAMa,cAAc,GAAG5B,KAAK,CAAC4B,cAA7B;AACA,QAAMuY,OAAO,GAAG,KAAKlN,QAArB;AACA,QAAMmN,OAAO,GAAG,KAAKlN,QAArB,CAJe,CAKf;;AACA,QAAIzT,MAAJ,EAAY;AACV,WAAK,IAAImlB,KAAK,GAAG,CAAjB,EAAoBA,KAAK,GAAGnlB,MAA5B,EAAoCmlB,KAAK,EAAzC,EAA6C;AAC3C7d,cAAM,GAAGf,KAAK,CAACa,OAAN,CAAc+d,KAAd,CAAT,CAD2C,CAE3C;AACA;;AACA7d,cAAM,CAACZ,GAAP,GAAc,CAACY,MAAM,CAACZ,GAAP,GAAaga,OAAd,IAAyBvY,cAAvC;AACAb,cAAM,CAACH,GAAP,GAAc,CAACG,MAAM,CAACH,GAAP,GAAawZ,OAAd,IAAyBxY,cAAvC;AACD;;AACD,WAAKzF,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACkhB,qBAA5B,EAAmD;AACjDhe,eAAO,EAAEb,KAAK,CAACa;AADkC,OAAnD;AAGD;;AAEDb,SAAK,CAACa,OAAN,GAAgB,EAAhB;AACD,G;;SAEDiZ,S,GAAA,mBAAW9Z,KAAX,EAAkB;AAChBA,SAAK,CAACa,OAAN,CAAcya,IAAd,CAAmB,UAAUC,CAAV,EAAahM,CAAb,EAAgB;AACjC,aAAQgM,CAAC,CAACpb,GAAF,GAAQoP,CAAC,CAACpP,GAAlB;AACD,KAFD;AAIA,QAAI1G,MAAM,GAAGuG,KAAK,CAACa,OAAN,CAAcpH,MAA3B;AAAA,QAAmCsH,MAAnC;AACA,QAAMa,cAAc,GAAG5B,KAAK,CAAC4B,cAA7B;AACA,QAAMuY,OAAO,GAAG,KAAKlN,QAArB,CAPgB,CAQhB;;AACA,QAAIxT,MAAJ,EAAY;AACV,WAAK,IAAImlB,KAAK,GAAG,CAAjB,EAAoBA,KAAK,GAAGnlB,MAA5B,EAAoCmlB,KAAK,EAAzC,EAA6C;AAC3C7d,cAAM,GAAGf,KAAK,CAACa,OAAN,CAAc+d,KAAd,CAAT,CAD2C,CAE3C;AACA;;AACA7d,cAAM,CAACZ,GAAP,GAAc,CAACY,MAAM,CAACZ,GAAP,GAAaga,OAAd,IAAyBvY,cAAvC;AACD;;AACD,WAAKzF,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACmhB,qBAA5B,EAAmD;AACjDje,eAAO,EAAEb,KAAK,CAACa;AADkC,OAAnD;AAGD;;AAEDb,SAAK,CAACa,OAAN,GAAgB,EAAhB;AACD,G;;SAEDua,a,GAAA,uBAAejK,KAAf,EAAsB4N,SAAtB,EAAiC;AAC/B,QAAIvlB,MAAJ;;AACA,QAAIulB,SAAS,KAAKhjB,SAAlB,EAA6B;AAC3B,aAAOoV,KAAP;AACD;;AAED,QAAI4N,SAAS,GAAG5N,KAAhB,EAAuB;AACrB;AACA3X,YAAM,GAAG,CAAC,UAAV;AACD,KAHD,MAGO;AACL;AACAA,YAAM,GAAG,UAAT;AACD;AACD;;;;;AAGA,WAAO8K,IAAI,CAAC4N,GAAL,CAASf,KAAK,GAAG4N,SAAjB,IAA8B,UAArC,EAAiD;AAC/C5N,WAAK,IAAI3X,MAAT;AACD;;AAED,WAAO2X,KAAP;AACD,G;;;;;AAGYsH,sEAAf,E;;ACjyBA;;;AAGA;;IAEMuG,sC;;;AACJ,8BAAa7iB,QAAb,EAAuB;AACrB,SAAKA,QAAL,GAAgBA,QAAhB;AACD;;;;SAEDL,O,GAAA,mBAAW,CACV,C;;SAED+F,c,GAAA,0BAAkB,CACjB,C;;SAEDX,gB,GAAA,4BAAoB,CACnB,C;;SAEDwB,K,GAAA,eAAOwI,UAAP,EAAmB4B,UAAnB,EAA+B3B,QAA/B,EAAyC4B,SAAzC,EAAoD5K,UAApD,EAAgEC,UAAhE,EAA4EC,kBAA5E,EAAgG4c,OAAhG,EAAyG;AACvG,QAAI9iB,QAAQ,GAAG,KAAKA,QAApB;AACA,QAAI+iB,UAAU,GAAG,EAAjB;;AACA,QAAIhU,UAAJ,EAAgB;AACdgU,gBAAU,IAAI,OAAd;AACD;;AAED,QAAIpS,UAAJ,EAAgB;AACdoS,gBAAU,IAAI,OAAd;AACD;;AAED/iB,YAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAAC6f,iBAAvB,EAA0C;AACxCP,WAAK,EAAEgC,OADiC;AAExCxF,cAAQ,EAAEtX,UAF8B;AAGxCgb,cAAQ,EAAEhb,UAH8B;AAIxCtE,UAAI,EAAEqhB,UAJkC;AAKxC7B,cAAQ,EAAE,CAAC,CAACnS,UAL4B;AAMxCoS,cAAQ,EAAE,CAAC,CAACxQ,UAN4B;AAOxCyQ,QAAE,EAAE,CAPoC;AAQxCrT,aAAO,EAAE;AAR+B,KAA1C,EAXuG,CAqBvG;;AACA/N,YAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAACoc,WAAvB;AACD,G;;;;;AAGYiF,8FAAf,E;;AC7CA;;;;;;AAOA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AAEA;CAGA;;AACA,IAAMhjB,qBAAM,GAAGC,sCAAY,EAA3B,C,CAA+B;;AAE/B,IAAIkjB,GAAJ,C,CACA;;AACA,IAAI;AACFA,KAAG,GAAGnjB,qBAAM,CAACojB,WAAP,CAAmBD,GAAnB,CAAuBtY,IAAvB,CAA4B7K,qBAAM,CAACojB,WAAnC,CAAN;AACD,CAFD,CAEE,OAAO/hB,GAAP,EAAY;AACZP,kBAAM,CAAC6R,KAAP,CAAa,mDAAb;AACAwQ,KAAG,GAAGnjB,qBAAM,CAACqjB,IAAP,CAAYF,GAAlB;AACD;;IAEKG,4B;;;AACJ,yBAAanjB,QAAb,EAAuBqN,aAAvB,EAAsCpN,MAAtC,EAA8Csc,MAA9C,EAAsD;AACpD,SAAKvc,QAAL,GAAgBA,QAAhB;AACA,SAAKqN,aAAL,GAAqBA,aAArB;AACA,SAAKpN,MAAL,GAAcA,MAAd;AACA,SAAKsc,MAAL,GAAcA,MAAd;AACD;;;;SAED5c,O,GAAA,mBAAW;AACT,QAAIyjB,OAAO,GAAG,KAAKA,OAAnB;;AACA,QAAIA,OAAJ,EAAa;AACXA,aAAO,CAACzjB,OAAR;AACD;AACF,G;;SAEDgF,I,GAAA,cAAMpK,IAAN,EAAY6Q,WAAZ,EAAyBpG,WAAzB,EAAsC7C,UAAtC,EAAkD8C,UAAlD,EAA8De,UAA9D,EAA0Eqd,aAA1E,EAAyFC,WAAzF,EAAsGrd,UAAtG,EAAkHf,QAAlH,EAA4HgB,kBAA5H,EAAgJqd,cAAhJ,EAAgK;AAAA;;AAC9J,QAAKhpB,IAAI,CAACS,UAAL,GAAkB,CAAnB,IAA0BoQ,WAAW,IAAI,IAAzC,IAAmDA,WAAW,CAAC5Q,GAAZ,IAAmB,IAAtE,IAAgF4Q,WAAW,CAACoC,MAAZ,KAAuB,SAA3G,EAAuH;AACrH,UAAIlC,SAAS,GAAG,KAAKA,SAArB;;AACA,UAAIA,SAAS,IAAI,IAAjB,EAAuB;AACrBA,iBAAS,GAAG,KAAKA,SAAL,GAAiB,IAAIvL,eAAJ,CAAc,KAAKC,QAAnB,EAA6B,KAAKC,MAAlC,CAA7B;AACD;;AAED,UAAMujB,SAAS,GAAGR,GAAG,EAArB;AACA1X,eAAS,CAAChR,OAAV,CAAkBC,IAAlB,EAAwB6Q,WAAW,CAAC5Q,GAAZ,CAAgBM,MAAxC,EAAgDsQ,WAAW,CAAChR,EAAZ,CAAeU,MAA/D,EAAuE,UAACkR,aAAD,EAAmB;AACxF,YAAMyX,OAAO,GAAGT,GAAG,EAAnB;;AACA,aAAI,CAAChjB,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACkiB,cAA5B,EAA4C;AAAEC,eAAK,EAAE;AAAEC,kBAAM,EAAEJ,SAAV;AAAqBK,oBAAQ,EAAEJ;AAA/B;AAAT,SAA5C;;AACA,aAAI,CAACK,aAAL,CAAmB,IAAI7b,UAAJ,CAAe+D,aAAf,CAAnB,EAAkDZ,WAAlD,EAA+D,IAAInD,UAAJ,CAAejD,WAAf,CAA/D,EAA4F7C,UAA5F,EAAwG8C,UAAxG,EAAoHe,UAApH,EAAgIqd,aAAhI,EAA+IC,WAA/I,EAA4Jrd,UAA5J,EAAwKf,QAAxK,EAAkLgB,kBAAlL,EAAsMqd,cAAtM;AACD,OAJD;AAKD,KAZD,MAYO;AACL,WAAKO,aAAL,CAAmB,IAAI7b,UAAJ,CAAe1N,IAAf,CAAnB,EAAyC6Q,WAAzC,EAAsD,IAAInD,UAAJ,CAAejD,WAAf,CAAtD,EAAmF7C,UAAnF,EAA+F8C,UAA/F,EAA2Ge,UAA3G,EAAuHqd,aAAvH,EAAsIC,WAAtI,EAAmJrd,UAAnJ,EAA+Jf,QAA/J,EAAyKgB,kBAAzK,EAA6Lqd,cAA7L;AACD;AACF,G;;SAEDO,a,GAAA,uBAAevpB,IAAf,EAAqB6Q,WAArB,EAAkCpG,WAAlC,EAA+C7C,UAA/C,EAA2D8C,UAA3D,EAAuEe,UAAvE,EAAmFqd,aAAnF,EAAkGC,WAAlG,EAA+Grd,UAA/G,EAA2Hf,QAA3H,EAAqIgB,kBAArI,EAAyJqd,cAAzJ,EAAyK;AACvK,QAAIH,OAAO,GAAG,KAAKA,OAAnB;;AACA,QAAI,CAACA,OAAD,IACF;AACA;AACA;AACC,KAACC,aAAa,IAAIC,WAAlB,KAAkC,CAAC,KAAK9f,KAAL,CAAWjJ,IAAX,CAJtC,EAIyD;AACvD,UAAMyF,QAAQ,GAAG,KAAKA,QAAtB;AACA,UAAMqN,aAAa,GAAG,KAAKA,aAA3B;AACA,UAAMpN,MAAM,GAAG,KAAKA,MAApB,CAHuD,CAIvD;;AACA,UAAM8jB,SAAS,GAAG,CAChB;AAAEC,aAAK,EAAE5W,SAAT;AAAoB7G,aAAK,EAAE+V,WAAUA;AAArC,OADgB,EAEhB;AAAE0H,aAAK,EAAEC,qBAAT;AAAqB1d,aAAK,EAAEsc,mBAAkBA;AAA9C,OAFgB,EAGhB;AAAEmB,aAAK,EAAEnf,UAAT;AAAqB0B,aAAK,EAAE+V,WAAUA;AAAtC,OAHgB,EAIhB;AAAE0H,aAAK,EAAEhO,UAAT;AAAqBzP,aAAK,EAAE+V,WAAUA;AAAtC,OAJgB,CAAlB,CALuD,CAYvD;;AACA,WAAK,IAAIrgB,CAAC,GAAG,CAAR,EAAWuJ,GAAG,GAAGue,SAAS,CAACzmB,MAAhC,EAAwCrB,CAAC,GAAGuJ,GAA5C,EAAiDvJ,CAAC,EAAlD,EAAsD;AACpD,YAAMioB,GAAG,GAAGH,SAAS,CAAC9nB,CAAD,CAArB;AACA,YAAMuH,KAAK,GAAG0gB,GAAG,CAACF,KAAJ,CAAUxgB,KAAxB;;AACA,YAAIA,KAAK,CAACjJ,IAAD,CAAT,EAAiB;AACf,cAAMuK,QAAO,GAAG,KAAKA,OAAL,GAAe,IAAIof,GAAG,CAAC3d,KAAR,CAAcvG,QAAd,EAAwBC,MAAxB,EAAgCoN,aAAhC,EAA+C,KAAKkP,MAApD,CAA/B;;AACA6G,iBAAO,GAAG,IAAIc,GAAG,CAACF,KAAR,CAAchkB,QAAd,EAAwB8E,QAAxB,EAAiC7E,MAAjC,EAAyCoN,aAAzC,CAAV;AACA,eAAK7J,KAAL,GAAaA,KAAb;AACA;AACD;AACF;;AACD,UAAI,CAAC4f,OAAL,EAAc;AACZpjB,gBAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,cAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,iBAAO,EAAEC,sBAAY,CAACe,kBAAtD;AAA0Eb,eAAK,EAAE,IAAjF;AAAuFC,gBAAM,EAAE;AAA/F,SAA9B;AACA;AACD;;AACD,WAAKmhB,OAAL,GAAeA,OAAf;AACD;;AACD,QAAMte,OAAO,GAAG,KAAKA,OAArB;;AAEA,QAAIue,aAAa,IAAIC,WAArB,EAAkC;AAChCF,aAAO,CAACre,gBAAR,CAAyBC,WAAzB,EAAsC7C,UAAtC,EAAkD8C,UAAlD,EAA8DC,QAA9D;AACAJ,aAAO,CAACC,gBAAR;AACD;;AACD,QAAIse,aAAJ,EAAmB;AACjBD,aAAO,CAAC1d,cAAR,CAAuB6d,cAAvB;AACAze,aAAO,CAACY,cAAR,CAAuB6d,cAAvB;AACD;;AACD,QAAI,OAAOH,OAAO,CAAC7V,cAAf,KAAkC,UAAtC,EAAkD;AAChD6V,aAAO,CAAC7V,cAAR,CAAuBnC,WAAvB;AACD;;AAEDgY,WAAO,CAACrd,MAAR,CAAexL,IAAf,EAAqByL,UAArB,EAAiCC,UAAjC,EAA6CC,kBAA7C;AACD,G;;;;;AAGYid,gHAAf,E;;;;;;;;;;;;;ACtHA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;;;;AAKA;AACA;AACA;AAEA;;AAEA,IAAIgB,aAAa,GAAG,SAAhBA,aAAgB,CAAUC,IAAV,EAAgB;AAClC;AACA,MAAIpkB,QAAQ,GAAG,IAAIqkB,0DAAJ,EAAf;;AACArkB,UAAQ,CAACuB,OAAT,GAAmB,SAASA,OAAT,CAAkB+iB,KAAlB,EAAkC;AAAA,sCAAN/pB,IAAM;AAANA,UAAM;AAAA;;AACnDyF,YAAQ,CAACukB,IAAT,OAAAvkB,QAAQ,GAAMskB,KAAN,EAAaA,KAAb,SAAuB/pB,IAAvB,EAAR;AACD,GAFD;;AAIAyF,UAAQ,CAACwkB,GAAT,GAAe,SAASA,GAAT,CAAcF,KAAd,EAA8B;AAAA,uCAAN/pB,IAAM;AAANA,UAAM;AAAA;;AAC3CyF,YAAQ,CAACykB,cAAT,OAAAzkB,QAAQ,GAAgBskB,KAAhB,SAA0B/pB,IAA1B,EAAR;AACD,GAFD;;AAIA,MAAImqB,cAAc,GAAG,SAAjBA,cAAiB,CAAUC,EAAV,EAAcpqB,IAAd,EAAoB;AACvC6pB,QAAI,CAACQ,WAAL,CAAiB;AAAEN,WAAK,EAAEK,EAAT;AAAapqB,UAAI,EAAEA;AAAnB,KAAjB;AACD,GAFD;;AAIA6pB,MAAI,CAACS,gBAAL,CAAsB,SAAtB,EAAiC,UAAUF,EAAV,EAAc;AAC7C,QAAIpqB,IAAI,GAAGoqB,EAAE,CAACpqB,IAAd,CAD6C,CAE7C;;AACA,YAAQA,IAAI,CAACuqB,GAAb;AACA,WAAK,MAAL;AACE,YAAM7kB,MAAM,GAAG8kB,IAAI,CAACC,KAAL,CAAWzqB,IAAI,CAAC0F,MAAhB,CAAf;AACAmkB,YAAI,CAAChB,OAAL,GAAe,IAAID,6DAAJ,CAAkBnjB,QAAlB,EAA4BzF,IAAI,CAAC8S,aAAjC,EAAgDpN,MAAhD,EAAwD1F,IAAI,CAACgiB,MAA7D,CAAf;AAEA0I,wEAAU,CAAChlB,MAAM,CAACuS,KAAR,CAAV,CAJF,CAME;;AACAkS,sBAAc,CAAC,MAAD,EAAS,IAAT,CAAd;AACA;;AACF,WAAK,OAAL;AACEN,YAAI,CAAChB,OAAL,CAAaze,IAAb,CAAkBpK,IAAI,CAACA,IAAvB,EAA6BA,IAAI,CAAC6Q,WAAlC,EAA+C7Q,IAAI,CAACyK,WAApD,EAAiEzK,IAAI,CAAC4H,UAAtE,EAAkF5H,IAAI,CAAC0K,UAAvF,EAAmG1K,IAAI,CAACyL,UAAxG,EAAoHzL,IAAI,CAAC8oB,aAAzH,EAAwI9oB,IAAI,CAAC+oB,WAA7I,EAA0J/oB,IAAI,CAAC0L,UAA/J,EAA2K1L,IAAI,CAAC2K,QAAhL,EAA0L3K,IAAI,CAAC2L,kBAA/L,EAAmN3L,IAAI,CAACgpB,cAAxN;AACA;;AACF;AACE;AAdF;AAgBD,GAnBD,EAfkC,CAoClC;;AACAvjB,UAAQ,CAACklB,EAAT,CAAY1jB,+CAAK,CAACkiB,cAAlB,EAAkCgB,cAAlC;AACA1kB,UAAQ,CAACklB,EAAT,CAAY1jB,+CAAK,CAAC+c,yBAAlB,EAA6CmG,cAA7C;AACA1kB,UAAQ,CAACklB,EAAT,CAAY1jB,+CAAK,CAACoc,WAAlB,EAA+B8G,cAA/B;AACA1kB,UAAQ,CAACklB,EAAT,CAAY1jB,+CAAK,CAACC,KAAlB,EAAyBijB,cAAzB;AACA1kB,UAAQ,CAACklB,EAAT,CAAY1jB,+CAAK,CAACkhB,qBAAlB,EAAyCgC,cAAzC;AACA1kB,UAAQ,CAACklB,EAAT,CAAY1jB,+CAAK,CAACmhB,qBAAlB,EAAyC+B,cAAzC;AACA1kB,UAAQ,CAACklB,EAAT,CAAY1jB,+CAAK,CAAC4c,cAAlB,EAAkCsG,cAAlC,EA3CkC,CA6ClC;;AACA1kB,UAAQ,CAACklB,EAAT,CAAY1jB,+CAAK,CAAC6f,iBAAlB,EAAqC,UAAUsD,EAAV,EAAcpqB,IAAd,EAAoB;AACvD,QAAI4qB,YAAY,GAAG,EAAnB;AACA,QAAI7jB,OAAO,GAAG;AAAEgjB,WAAK,EAAEK,EAAT;AAAapqB,UAAI,EAAEA;AAAnB,KAAd;;AACA,QAAIA,IAAI,CAACumB,KAAT,EAAgB;AACdxf,aAAO,CAACwf,KAAR,GAAgBvmB,IAAI,CAACumB,KAAL,CAAWhmB,MAA3B;AACAqqB,kBAAY,CAACxgB,IAAb,CAAkBpK,IAAI,CAACumB,KAAL,CAAWhmB,MAA7B;AACA,aAAOP,IAAI,CAACumB,KAAZ;AACD;;AACD,QAAIvmB,IAAI,CAACwmB,KAAT,EAAgB;AACdzf,aAAO,CAACyf,KAAR,GAAgBxmB,IAAI,CAACwmB,KAAL,CAAWjmB,MAA3B;AACAqqB,kBAAY,CAACxgB,IAAb,CAAkBpK,IAAI,CAACwmB,KAAL,CAAWjmB,MAA7B;AACA,aAAOP,IAAI,CAACwmB,KAAZ;AACD;;AACDqD,QAAI,CAACQ,WAAL,CAAiBtjB,OAAjB,EAA0B6jB,YAA1B;AACD,GAdD;AAeD,CA7DD;;AA+DehB,4EAAf,E;;;;;;;;;;;;AC1EA;AAAA;AAAA;AAAA;AAEA;;;;IAGMve,G;;;;;AACJ;;;;;;MAMOrC,Q,GAAP,kBAAiBhJ,IAAjB,EAAuB8C,MAAvB,EAA+B;AAC7B;;;;;;;;;;;;;AAaA,QAAIA,MAAM,GAAG,EAAT,IAAe9C,IAAI,CAAC+C,MAAxB,EAAgC;AAC9B;AACA,UAAI/C,IAAI,CAAC8C,MAAD,CAAJ,KAAiB,IAAjB,IAAyB9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,KAAqB,IAA9C,IAAsD9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,KAAqB,IAA/E,EAAqF;AACnF;AACA,YAAI9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAnB,IAA2B9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAlD,EAAwD;AACtD;AACA,cAAI9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAnB,IAA2B9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAA9C,IAAsD9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAzE,IAAiF9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAxG,EAA8G;AAC5G,mBAAO,IAAP;AACD;AACF;AACF;AACF;;AAED,WAAO,KAAP;AACD;AAED;;;;;;;;MAMO+nB,Q,GAAP,kBAAiB7qB,IAAjB,EAAuB8C,MAAvB,EAA+B;AAC7B;;;AAGA,QAAIA,MAAM,GAAG,EAAT,IAAe9C,IAAI,CAAC+C,MAAxB,EAAgC;AAC9B;AACA,UAAI/C,IAAI,CAAC8C,MAAD,CAAJ,KAAiB,IAAjB,IAAyB9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,KAAqB,IAA9C,IAAsD9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,KAAqB,IAA/E,EAAqF;AACnF;AACA,YAAI9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAnB,IAA2B9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAlD,EAAwD;AACtD;AACA,cAAI9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAnB,IAA2B9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAA9C,IAAsD9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAzE,IAAiF9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAxG,EAA8G;AAC5G,mBAAO,IAAP;AACD;AACF;AACF;AACF;;AAED,WAAO,KAAP;AACD;AAED;;;;;;;;MAMOwI,U,GAAP,oBAAmBtL,IAAnB,EAAyB8C,MAAzB,EAAiC;AAC/B,QAAMgoB,KAAK,GAAGhoB,MAAd;AACA,QAAIC,MAAM,GAAG,CAAb;;AAEA,WAAOsI,GAAG,CAACrC,QAAJ,CAAahJ,IAAb,EAAmB8C,MAAnB,CAAP,EAAmC;AACjC;AACAC,YAAM,IAAI,EAAV;;AAEA,UAAMoL,IAAI,GAAG9C,GAAG,CAAC0f,SAAJ,CAAc/qB,IAAd,EAAoB8C,MAAM,GAAG,CAA7B,CAAb;;AACAC,YAAM,IAAIoL,IAAV;;AAEA,UAAI9C,GAAG,CAACwf,QAAJ,CAAa7qB,IAAb,EAAmB8C,MAAM,GAAG,EAA5B,CAAJ,EAAqC;AACnC;AACAC,cAAM,IAAI,EAAV;AACD;;AAEDD,YAAM,IAAIC,MAAV;AACD;;AAED,QAAIA,MAAM,GAAG,CAAb,EAAgB;AACd,aAAO/C,IAAI,CAACiK,QAAL,CAAc6gB,KAAd,EAAqBA,KAAK,GAAG/nB,MAA7B,CAAP;AACD;;AAED,WAAOsC,SAAP;AACD,G;;MAEM0lB,S,GAAP,mBAAkB/qB,IAAlB,EAAwB8C,MAAxB,EAAgC;AAC9B,QAAIqL,IAAI,GAAG,CAAX;AACAA,QAAI,GAAI,CAACnO,IAAI,CAAC8C,MAAD,CAAJ,GAAe,IAAhB,KAAyB,EAAjC;AACAqL,QAAI,IAAK,CAACnO,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,EAAtC;AACAqL,QAAI,IAAK,CAACnO,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,CAAtC;AACAqL,QAAI,IAAKnO,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAA5B;AACA,WAAOqL,IAAP;AACD;AAED;;;;;;;MAKOtC,Y,GAAP,sBAAqB7L,IAArB,EAA2B;AACzB,QAAMgrB,MAAM,GAAG3f,GAAG,CAAC4f,YAAJ,CAAiBjrB,IAAjB,CAAf;;AACA,SAAK,IAAI0B,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGspB,MAAM,CAACjoB,MAA3B,EAAmCrB,CAAC,EAApC,EAAwC;AACtC,UAAMqK,KAAK,GAAGif,MAAM,CAACtpB,CAAD,CAApB;;AACA,UAAI2J,GAAG,CAAC6f,gBAAJ,CAAqBnf,KAArB,CAAJ,EAAiC;AAC/B,eAAOV,GAAG,CAAC8f,cAAJ,CAAmBpf,KAAnB,CAAP;AACD;AACF;;AAED,WAAO1G,SAAP;AACD;AAED;;;;;;MAIO6lB,gB,GAAP,0BAAyBnf,KAAzB,EAAgC;AAC9B,WAAQA,KAAK,IAAIA,KAAK,CAAC9L,GAAN,KAAc,MAAvB,IAAiC8L,KAAK,CAACqf,IAAN,KAAe,8CAAxD;AACD,G;;MAEMC,a,GAAP,uBAAsBrrB,IAAtB,EAA4B;AAC1B;;;;;AAKA,QAAMmH,IAAI,GAAGmkB,MAAM,CAACC,YAAP,CAAoBvrB,IAAI,CAAC,CAAD,CAAxB,EAA6BA,IAAI,CAAC,CAAD,CAAjC,EAAsCA,IAAI,CAAC,CAAD,CAA1C,EAA+CA,IAAI,CAAC,CAAD,CAAnD,CAAb;;AACA,QAAMmO,IAAI,GAAG9C,GAAG,CAAC0f,SAAJ,CAAc/qB,IAAd,EAAoB,CAApB,CAAb,CAP0B,CAS1B;;;AACA,QAAI8C,MAAM,GAAG,EAAb;AAEA,WAAO;AAAEqE,UAAI,EAAJA,IAAF;AAAQgH,UAAI,EAAJA,IAAR;AAAcnO,UAAI,EAAEA,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBA,MAAM,GAAGqL,IAA/B;AAApB,KAAP;AACD;AAED;;;;;;;MAKO8c,Y,GAAP,sBAAqB7f,OAArB,EAA8B;AAC5B,QAAItI,MAAM,GAAG,CAAb;AACA,QAAMkoB,MAAM,GAAG,EAAf;;AAEA,WAAO3f,GAAG,CAACrC,QAAJ,CAAaoC,OAAb,EAAsBtI,MAAtB,CAAP,EAAsC;AACpC,UAAMqL,IAAI,GAAG9C,GAAG,CAAC0f,SAAJ,CAAc3f,OAAd,EAAuBtI,MAAM,GAAG,CAAhC,CAAb,CADoC,CAEpC;;;AACAA,YAAM,IAAI,EAAV;AACA,UAAMglB,GAAG,GAAGhlB,MAAM,GAAGqL,IAArB,CAJoC,CAKpC;;AACA,aAAOrL,MAAM,GAAG,CAAT,GAAaglB,GAApB,EAAyB;AACvB,YAAM0D,SAAS,GAAGngB,GAAG,CAACggB,aAAJ,CAAkBjgB,OAAO,CAACnB,QAAR,CAAiBnH,MAAjB,CAAlB,CAAlB;;AACA,YAAMiJ,KAAK,GAAGV,GAAG,CAACogB,YAAJ,CAAiBD,SAAjB,CAAd;;AACA,YAAIzf,KAAJ,EAAW;AACTif,gBAAM,CAAC5gB,IAAP,CAAY2B,KAAZ;AACD,SALsB,CAOvB;;;AACAjJ,cAAM,IAAI0oB,SAAS,CAACrd,IAAV,GAAiB,EAA3B;AACD;;AAED,UAAI9C,GAAG,CAACwf,QAAJ,CAAazf,OAAb,EAAsBtI,MAAtB,CAAJ,EAAmC;AACjCA,cAAM,IAAI,EAAV;AACD;AACF;;AAED,WAAOkoB,MAAP;AACD,G;;MAEMS,Y,GAAP,sBAAqB1f,KAArB,EAA4B;AAC1B,QAAIA,KAAK,CAAC5E,IAAN,KAAe,MAAnB,EAA2B;AACzB,aAAOkE,GAAG,CAACqgB,gBAAJ,CAAqB3f,KAArB,CAAP;AACD,KAFD,MAEO,IAAIA,KAAK,CAAC5E,IAAN,CAAW,CAAX,MAAkB,GAAtB,EAA2B;AAChC,aAAOkE,GAAG,CAACsgB,gBAAJ,CAAqB5f,KAArB,CAAP;AACD,KAFM,MAEA,IAAIA,KAAK,CAAC5E,IAAN,CAAW,CAAX,MAAkB,GAAtB,EAA2B;AAChC,aAAOkE,GAAG,CAACugB,eAAJ,CAAoB7f,KAApB,CAAP;AACD;;AAED,WAAO1G,SAAP;AACD,G;;MAEM8lB,c,GAAP,wBAAuBU,cAAvB,EAAuC;AACrC,QAAIA,cAAc,CAAC7rB,IAAf,CAAoBS,UAApB,KAAmC,CAAvC,EAA0C;AACxC,UAAMT,IAAI,GAAG,IAAI0N,UAAJ,CAAeme,cAAc,CAAC7rB,IAA9B,CAAb,CADwC,CAExC;AACA;;AACA,UAAM8rB,QAAQ,GAAG9rB,IAAI,CAAC,CAAD,CAAJ,GAAU,GAA3B;AACA,UAAI4L,SAAS,GAAG,CAAC5L,IAAI,CAAC,CAAD,CAAJ,IAAW,EAAZ,KACCA,IAAI,CAAC,CAAD,CAAJ,IAAW,EADZ,KAECA,IAAI,CAAC,CAAD,CAAJ,IAAW,CAFZ,IAGCA,IAAI,CAAC,CAAD,CAHrB;AAIA4L,eAAS,IAAI,EAAb;;AAEA,UAAIkgB,QAAJ,EAAc;AACZlgB,iBAAS,IAAI,WAAb;AACD,OAbuC,CAatC;;;AAEF,aAAOgC,IAAI,CAAC6J,KAAL,CAAW7L,SAAX,CAAP;AACD;;AAED,WAAOvG,SAAP;AACD,G;;MAEMqmB,gB,GAAP,0BAAyB3f,KAAzB,EAAgC;AAC9B;;;AAGA,QAAIA,KAAK,CAACoC,IAAN,GAAa,CAAjB,EAAoB;AAClB,aAAO9I,SAAP;AACD;;AAED,QAAM0mB,KAAK,GAAG1gB,GAAG,CAAC2gB,eAAJ,CAAoBjgB,KAAK,CAAC/L,IAA1B,EAAgC,IAAhC,CAAd;;AACA,QAAMisB,WAAW,GAAG,IAAIve,UAAJ,CAAe3B,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoB8hB,KAAK,CAAChpB,MAAN,GAAe,CAAnC,CAAf,CAApB;AAEA,WAAO;AAAE9C,SAAG,EAAE8L,KAAK,CAAC5E,IAAb;AAAmBikB,UAAI,EAAEW,KAAzB;AAAgC/rB,UAAI,EAAEisB,WAAW,CAAC1rB;AAAlD,KAAP;AACD,G;;MAEMorB,gB,GAAP,0BAAyB5f,KAAzB,EAAgC;AAC9B,QAAIA,KAAK,CAACoC,IAAN,GAAa,CAAjB,EAAoB;AAClB,aAAO9I,SAAP;AACD;;AAED,QAAI0G,KAAK,CAAC5E,IAAN,KAAe,MAAnB,EAA2B;AACzB;;;;;AAKA,UAAI+gB,KAAK,GAAG,CAAZ;;AACA,UAAMgE,WAAW,GAAG7gB,GAAG,CAAC2gB,eAAJ,CAAoBjgB,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoBie,KAApB,CAApB,EAAgD,IAAhD,CAApB;;AAEAA,WAAK,IAAIgE,WAAW,CAACnpB,MAAZ,GAAqB,CAA9B;;AACA,UAAM0X,KAAK,GAAGpP,GAAG,CAAC2gB,eAAJ,CAAoBjgB,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoBie,KAApB,CAApB,CAAd;;AAEA,aAAO;AAAEjoB,WAAG,EAAE8L,KAAK,CAAC5E,IAAb;AAAmBikB,YAAI,EAAEc,WAAzB;AAAsClsB,YAAI,EAAEya;AAA5C,OAAP;AACD,KAbD,MAaO;AACL;;;;;AAKA,UAAM7H,IAAI,GAAGvH,GAAG,CAAC2gB,eAAJ,CAAoBjgB,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoB,CAApB,CAApB,CAAb;;AACA,aAAO;AAAEhK,WAAG,EAAE8L,KAAK,CAAC5E,IAAb;AAAmBnH,YAAI,EAAE4S;AAAzB,OAAP;AACD;AACF,G;;MAEMgZ,e,GAAP,yBAAwB7f,KAAxB,EAA+B;AAC7B,QAAIA,KAAK,CAAC5E,IAAN,KAAe,MAAnB,EAA2B;AACzB;;;;;AAKA,UAAI4E,KAAK,CAACoC,IAAN,GAAa,CAAjB,EAAoB;AAClB,eAAO9I,SAAP;AACD;;AAED,UAAI6iB,KAAK,GAAG,CAAZ;;AACA,UAAMgE,WAAW,GAAG7gB,GAAG,CAAC2gB,eAAJ,CAAoBjgB,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoBie,KAApB,CAApB,CAApB;;AAEAA,WAAK,IAAIgE,WAAW,CAACnpB,MAAZ,GAAqB,CAA9B;;AACA,UAAM0X,KAAK,GAAGpP,GAAG,CAAC2gB,eAAJ,CAAoBjgB,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoBie,KAApB,CAApB,CAAd;;AAEA,aAAO;AAAEjoB,WAAG,EAAE8L,KAAK,CAAC5E,IAAb;AAAmBikB,YAAI,EAAEc,WAAzB;AAAsClsB,YAAI,EAAEya;AAA5C,OAAP;AACD,KAjBD,MAiBO;AACL;;;;AAIA,UAAM0R,GAAG,GAAG9gB,GAAG,CAAC2gB,eAAJ,CAAoBjgB,KAAK,CAAC/L,IAA1B,CAAZ;;AACA,aAAO;AAAEC,WAAG,EAAE8L,KAAK,CAAC5E,IAAb;AAAmBnH,YAAI,EAAEmsB;AAAzB,OAAP;AACD;AACF,G,CAED;AACA;;AACA;;;;;;;;;MAOOH,e,GAAP,yBAAwBxR,KAAxB,EAA+B4R,UAA/B,EAAmD;AAAA,QAApBA,UAAoB;AAApBA,gBAAoB,GAAP,KAAO;AAAA;;AACjD,QAAMC,OAAO,GAAGC,cAAc,EAA9B;;AACA,QAAID,OAAJ,EAAa;AACX,UAAME,OAAO,GAAGF,OAAO,CAACG,MAAR,CAAehS,KAAf,CAAhB;;AAEA,UAAI4R,UAAJ,EAAgB;AACd;AACA,YAAMK,GAAG,GAAGF,OAAO,CAAC9jB,OAAR,CAAgB,IAAhB,CAAZ;AACA,eAAOgkB,GAAG,KAAK,CAAC,CAAT,GAAaF,OAAO,CAACG,SAAR,CAAkB,CAAlB,EAAqBD,GAArB,CAAb,GAAyCF,OAAhD;AACD,OAPU,CASX;;;AACA,aAAOA,OAAO,CAACI,OAAR,CAAgB,KAAhB,EAAuB,EAAvB,CAAP;AACD;;AAED,QAAM1hB,GAAG,GAAGuP,KAAK,CAACzX,MAAlB;AACA,QAAI6pB,CAAJ;AACA,QAAIC,KAAJ;AACA,QAAIC,KAAJ;AACA,QAAIC,GAAG,GAAG,EAAV;AACA,QAAIrrB,CAAC,GAAG,CAAR;;AACA,WAAOA,CAAC,GAAGuJ,GAAX,EAAgB;AACd2hB,OAAC,GAAGpS,KAAK,CAAC9Y,CAAC,EAAF,CAAT;;AACA,UAAIkrB,CAAC,KAAK,IAAN,IAAcR,UAAlB,EAA8B;AAC5B,eAAOW,GAAP;AACD,OAFD,MAEO,IAAIH,CAAC,KAAK,IAAN,IAAcA,CAAC,KAAK,IAAxB,EAA8B;AACnC;AACA;AACD;;AACD,cAAQA,CAAC,IAAI,CAAb;AACA,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AACtD;AACAG,aAAG,IAAIzB,MAAM,CAACC,YAAP,CAAoBqB,CAApB,CAAP;AACA;;AACF,aAAK,EAAL;AAAS,aAAK,EAAL;AACP;AACAC,eAAK,GAAGrS,KAAK,CAAC9Y,CAAC,EAAF,CAAb;AACAqrB,aAAG,IAAIzB,MAAM,CAACC,YAAP,CAAqB,CAACqB,CAAC,GAAG,IAAL,KAAc,CAAf,GAAqBC,KAAK,GAAG,IAAjD,CAAP;AACA;;AACF,aAAK,EAAL;AACE;AACAA,eAAK,GAAGrS,KAAK,CAAC9Y,CAAC,EAAF,CAAb;AACAorB,eAAK,GAAGtS,KAAK,CAAC9Y,CAAC,EAAF,CAAb;AACAqrB,aAAG,IAAIzB,MAAM,CAACC,YAAP,CAAqB,CAACqB,CAAC,GAAG,IAAL,KAAc,EAAf,GACd,CAACC,KAAK,GAAG,IAAT,KAAkB,CADJ,GAEd,CAACC,KAAK,GAAG,IAAT,KAAkB,CAFxB,CAAP;AAGA;;AACF;AAlBA;AAoBD;;AACD,WAAOC,GAAP;AACD,G;;;;;AAGH,IAAIV,OAAJ;;AAEA,SAASC,cAAT,GAA2B;AACzB,MAAMhnB,MAAM,GAAGC,0EAAY,EAA3B,CADyB,CACM;;AAC/B,MAAI,CAAC8mB,OAAD,IAAY,OAAO/mB,MAAM,CAAC0nB,WAAd,KAA8B,WAA9C,EAA2D;AACzDX,WAAO,GAAG,IAAI/mB,MAAM,CAAC0nB,WAAX,CAAuB,OAAvB,CAAV;AACD;;AAED,SAAOX,OAAP;AACD;;AAED,IAAMtS,cAAc,GAAG1O,GAAG,CAAC2gB,eAA3B;AAEe3gB,kEAAf;;;;;;;;;;;;;AC5WA;AAAA;AAAA;AAAA;;;AAGA;AACA;AAEA,IAAMuQ,UAAU,GAAGhO,IAAI,CAACiO,GAAL,CAAS,CAAT,EAAY,EAAZ,IAAkB,CAArC;;IAEM6N,U;;;AACJ,sBAAajkB,QAAb,EAAuB8E,OAAvB,EAAgC;AAC9B,SAAK9E,QAAL,GAAgBA,QAAhB;AACA,SAAK8E,OAAL,GAAeA,OAAf;AACD;;;;SAEDY,c,GAAA,wBAAgBsY,OAAhB,EAAyB;AACvB,SAAKA,OAAL,GAAeA,OAAf;AACD,G;;SAEDjZ,gB,GAAA,0BAAkBC,WAAlB,EAA+B7C,UAA/B,EAA2C8C,UAA3C,EAAuDC,QAAvD,EAAiE;AAC/D;AACA,QAAIF,WAAW,IAAIA,WAAW,CAAChK,UAA/B,EAA2C;AACzC,UAAMwsB,QAAQ,GAAG,KAAKA,QAAL,GAAgBvD,UAAU,CAACwD,gBAAX,CAA4BziB,WAA5B,CAAjC,CADyC,CAGzC;AACA;;AACA,UAAI7C,UAAU,IAAI,IAAlB,EAAwB;AACtBA,kBAAU,GAAG,WAAb;AACD;;AAED,UAAI8C,UAAU,IAAI,IAAlB,EAAwB;AACtBA,kBAAU,GAAG,aAAb;AACD;;AAED,UAAMqV,MAAM,GAAG,EAAf;;AACA,UAAIkN,QAAQ,CAACva,KAAT,IAAkBua,QAAQ,CAACxa,KAA/B,EAAsC;AACpCsN,cAAM,CAACoN,UAAP,GAAoB;AAAEtiB,mBAAS,EAAE,WAAb;AAA0BjC,eAAK,EAAEhB,UAAU,GAAG,GAAb,GAAmB8C,UAApD;AAAgED,qBAAW,EAAEE,QAAQ,GAAGF,WAAH,GAAiB;AAAtG,SAApB;AACD,OAFD,MAEO;AACL,YAAIwiB,QAAQ,CAACva,KAAb,EAAoB;AAClBqN,gBAAM,CAACrN,KAAP,GAAe;AAAE7H,qBAAS,EAAE,WAAb;AAA0BjC,iBAAK,EAAEhB,UAAjC;AAA6C6C,uBAAW,EAAEE,QAAQ,GAAGF,WAAH,GAAiB;AAAnF,WAAf;AACD;;AAED,YAAIwiB,QAAQ,CAACxa,KAAb,EAAoB;AAClBsN,gBAAM,CAACtN,KAAP,GAAe;AAAE5H,qBAAS,EAAE,WAAb;AAA0BjC,iBAAK,EAAE8B,UAAjC;AAA6CD,uBAAW,EAAEE,QAAQ,GAAGF,WAAH,GAAiB;AAAnF,WAAf;AACD;AACF;;AACD,WAAKhF,QAAL,CAAcuB,OAAd,CAAsBC,+CAAK,CAAC+c,yBAA5B,EAAuD;AAAEjE,cAAM,EAANA;AAAF,OAAvD;AACD,KA1BD,MA0BO;AACL,UAAInY,UAAJ,EAAgB;AACd,aAAKA,UAAL,GAAkBA,UAAlB;AACD;;AAED,UAAI8C,UAAJ,EAAgB;AACd,aAAKA,UAAL,GAAkBA,UAAlB;AACD;AACF;AACF,G;;aAEMzB,K,GAAP,eAAcjJ,IAAd,EAAoB;AAClB;AACA,WAAO0pB,UAAU,CAAC0D,OAAX,CAAmB;AAAEptB,UAAI,EAAEA,IAAR;AAAckU,WAAK,EAAE,CAArB;AAAwB4T,SAAG,EAAEla,IAAI,CAACC,GAAL,CAAS7N,IAAI,CAAC+C,MAAd,EAAsB,KAAtB;AAA7B,KAAnB,EAAgF,CAAC,MAAD,CAAhF,EAA0FA,MAA1F,GAAmG,CAA1G;AACD,G;;aAEMsqB,O,GAAP,iBAAgB9sB,MAAhB,EAAwB;AACtB,WAAO+qB,MAAM,CAACC,YAAP,CAAoBtL,KAApB,CAA0B,IAA1B,EAAgC1f,MAAhC,CAAP;AACD,G;;aAEM+sB,U,GAAP,oBAAmB/sB,MAAnB,EAA2BuC,MAA3B,EAAmC;AACjC,QAAIvC,MAAM,CAACP,IAAX,EAAiB;AACf8C,YAAM,IAAIvC,MAAM,CAAC2T,KAAjB;AACA3T,YAAM,GAAGA,MAAM,CAACP,IAAhB;AACD;;AAED,QAAMutB,GAAG,GAAGhtB,MAAM,CAACuC,MAAD,CAAN,IAAkB,CAAlB,GACAvC,MAAM,CAACuC,MAAM,GAAG,CAAV,CADlB;AAGA,WAAOyqB,GAAG,GAAG,CAAN,GAAU,QAAQA,GAAlB,GAAwBA,GAA/B;AACD,G;;aAEMC,U,GAAP,oBAAmBjtB,MAAnB,EAA2BuC,MAA3B,EAAmC;AACjC,QAAIvC,MAAM,CAACP,IAAX,EAAiB;AACf8C,YAAM,IAAIvC,MAAM,CAAC2T,KAAjB;AACA3T,YAAM,GAAGA,MAAM,CAACP,IAAhB;AACD;;AAED,QAAMutB,GAAG,GAAGhtB,MAAM,CAACuC,MAAD,CAAN,IAAkB,EAAlB,GACAvC,MAAM,CAACuC,MAAM,GAAG,CAAV,CAAN,IAAsB,EADtB,GAEAvC,MAAM,CAACuC,MAAM,GAAG,CAAV,CAAN,IAAsB,CAFtB,GAGAvC,MAAM,CAACuC,MAAM,GAAG,CAAV,CAHlB;AAIA,WAAOyqB,GAAG,GAAG,CAAN,GAAU,aAAaA,GAAvB,GAA6BA,GAApC;AACD,G;;aAEME,W,GAAP,qBAAoBltB,MAApB,EAA4BuC,MAA5B,EAAoC2X,KAApC,EAA2C;AACzC,QAAIla,MAAM,CAACP,IAAX,EAAiB;AACf8C,YAAM,IAAIvC,MAAM,CAAC2T,KAAjB;AACA3T,YAAM,GAAGA,MAAM,CAACP,IAAhB;AACD;;AACDO,UAAM,CAACuC,MAAD,CAAN,GAAiB2X,KAAK,IAAI,EAA1B;AACAla,UAAM,CAACuC,MAAM,GAAG,CAAV,CAAN,GAAsB2X,KAAK,IAAI,EAAV,GAAgB,IAArC;AACAla,UAAM,CAACuC,MAAM,GAAG,CAAV,CAAN,GAAsB2X,KAAK,IAAI,CAAV,GAAe,IAApC;AACAla,UAAM,CAACuC,MAAM,GAAG,CAAV,CAAN,GAAqB2X,KAAK,GAAG,IAA7B;AACD,G,CAED;;;aACO2S,O,GAAP,iBAAgBptB,IAAhB,EAAsB0tB,IAAtB,EAA4B;AAC1B,QAAIC,OAAO,GAAG,EAAd;AAAA,QACEjsB,CADF;AAAA,QACKyM,IADL;AAAA,QACWhH,IADX;AAAA,QACiB2gB,GADjB;AAAA,QACsB8F,UADtB;AAAA,QACkC1Z,KADlC;AAAA,QACyC2Z,MADzC;;AAGA,QAAI7tB,IAAI,CAACA,IAAT,EAAe;AACbkU,WAAK,GAAGlU,IAAI,CAACkU,KAAb;AACA4T,SAAG,GAAG9nB,IAAI,CAAC8nB,GAAX;AACA9nB,UAAI,GAAGA,IAAI,CAACA,IAAZ;AACD,KAJD,MAIO;AACLkU,WAAK,GAAG,CAAR;AACA4T,SAAG,GAAG9nB,IAAI,CAACS,UAAX;AACD;;AAED,QAAI,CAACitB,IAAI,CAAC3qB,MAAV,EAAkB;AAChB;AACA,aAAO,IAAP;AACD;;AAED,SAAKrB,CAAC,GAAGwS,KAAT,EAAgBxS,CAAC,GAAGomB,GAApB,GAA0B;AACxB3Z,UAAI,GAAGub,UAAU,CAAC8D,UAAX,CAAsBxtB,IAAtB,EAA4B0B,CAA5B,CAAP;AACAyF,UAAI,GAAGuiB,UAAU,CAAC2D,OAAX,CAAmBrtB,IAAI,CAACiK,QAAL,CAAcvI,CAAC,GAAG,CAAlB,EAAqBA,CAAC,GAAG,CAAzB,CAAnB,CAAP;AACAmsB,YAAM,GAAG1f,IAAI,GAAG,CAAP,GAAWzM,CAAC,GAAGyM,IAAf,GAAsB2Z,GAA/B;;AAEA,UAAI3gB,IAAI,KAAKumB,IAAI,CAAC,CAAD,CAAjB,EAAsB;AACpB,YAAIA,IAAI,CAAC3qB,MAAL,KAAgB,CAApB,EAAuB;AACrB;AACA;AACA4qB,iBAAO,CAACvjB,IAAR,CAAa;AAAEpK,gBAAI,EAAEA,IAAR;AAAckU,iBAAK,EAAExS,CAAC,GAAG,CAAzB;AAA4BomB,eAAG,EAAE+F;AAAjC,WAAb;AACD,SAJD,MAIO;AACL;AACAD,oBAAU,GAAGlE,UAAU,CAAC0D,OAAX,CAAmB;AAAEptB,gBAAI,EAAEA,IAAR;AAAckU,iBAAK,EAAExS,CAAC,GAAG,CAAzB;AAA4BomB,eAAG,EAAE+F;AAAjC,WAAnB,EAA8DH,IAAI,CAAC7sB,KAAL,CAAW,CAAX,CAA9D,CAAb;;AACA,cAAI+sB,UAAU,CAAC7qB,MAAf,EAAuB;AACrB4qB,mBAAO,GAAGA,OAAO,CAACzN,MAAR,CAAe0N,UAAf,CAAV;AACD;AACF;AACF;;AACDlsB,OAAC,GAAGmsB,MAAJ;AACD,KArCyB,CAuC1B;;;AACA,WAAOF,OAAP;AACD,G;;aAEMG,iB,GAAP,2BAA0BrjB,WAA1B,EAAuC;AACrC,QAAMsS,IAAI,GAAG2M,UAAU,CAAC0D,OAAX,CAAmB3iB,WAAnB,EAAgC,CAAC,MAAD,CAAhC,EAA0C,CAA1C,CAAb;AACA,QAAMsjB,aAAa,GAAGhR,IAAI,GAAGA,IAAI,CAAC+K,GAAR,GAAc,IAAxC,CAFqC,CAES;;AAE9C,QAAII,KAAK,GAAG,CAAZ;AACA,QAAI8F,IAAI,GAAGtE,UAAU,CAAC0D,OAAX,CAAmB3iB,WAAnB,EAAgC,CAAC,MAAD,CAAhC,CAAX;AACA,QAAIwjB,UAAJ;;AAEA,QAAI,CAACD,IAAD,IAAS,CAACA,IAAI,CAAC,CAAD,CAAlB,EAAuB;AACrB,aAAO,IAAP;AACD;;AAEDC,cAAU,GAAG,EAAb;AACAD,QAAI,GAAGA,IAAI,CAAC,CAAD,CAAX;AAEA,QAAME,OAAO,GAAGF,IAAI,CAAChuB,IAAL,CAAU,CAAV,CAAhB,CAfqC,CAiBrC;;AACAkoB,SAAK,GAAGgG,OAAO,KAAK,CAAZ,GAAgB,CAAhB,GAAoB,EAA5B;AAEA,QAAMxO,SAAS,GAAGgK,UAAU,CAAC8D,UAAX,CAAsBQ,IAAtB,EAA4B9F,KAA5B,CAAlB;AACAA,SAAK,IAAI,CAAT,CArBqC,CAuBrC;AACA;;AACA,QAAIiG,wBAAwB,GAAG,CAA/B;AACA,QAAIC,WAAW,GAAG,CAAlB;;AAEA,QAAIF,OAAO,KAAK,CAAhB,EAAmB;AACjBhG,WAAK,IAAI,CAAT;AACD,KAFD,MAEO;AACLA,WAAK,IAAI,EAAT;AACD,KAhCoC,CAkCrC;;;AACAA,SAAK,IAAI,CAAT;AAEA,QAAImG,SAAS,GAAGL,IAAI,CAAClG,GAAL,GAAWsG,WAA3B;AAEA,QAAME,eAAe,GAAG5E,UAAU,CAAC4D,UAAX,CAAsBU,IAAtB,EAA4B9F,KAA5B,CAAxB;AACAA,SAAK,IAAI,CAAT;;AAEA,SAAK,IAAIxmB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG4sB,eAApB,EAAqC5sB,CAAC,EAAtC,EAA0C;AACxC,UAAI6sB,cAAc,GAAGrG,KAArB;AAEA,UAAMsG,aAAa,GAAG9E,UAAU,CAAC8D,UAAX,CAAsBQ,IAAtB,EAA4BO,cAA5B,CAAtB;AACAA,oBAAc,IAAI,CAAlB;AAEA,UAAME,aAAa,GAAGD,aAAa,GAAG,UAAtC;AACA,UAAME,aAAa,GAAG,CAACF,aAAa,GAAG,UAAjB,MAAiC,EAAvD;;AAEA,UAAIE,aAAa,KAAK,CAAtB,EAAyB;AACvBC,eAAO,CAACvb,IAAR,CAAa,kDAAb;AACA;AACD;;AAED,UAAMwb,kBAAkB,GAAGlF,UAAU,CAAC8D,UAAX,CAAsBQ,IAAtB,EAA4BO,cAA5B,CAA3B;AACAA,oBAAc,IAAI,CAAlB;AAEAN,gBAAU,CAAC7jB,IAAX,CAAgB;AACdqkB,qBAAa,EAAbA,aADc;AAEdG,0BAAkB,EAAlBA,kBAFc;AAEM;AACpBxD,YAAI,EAAE;AACJzgB,kBAAQ,EAAEikB,kBAAkB,GAAGlP,SAD3B;AAEJxL,eAAK,EAAEma,SAFH;AAGJvG,aAAG,EAAEuG,SAAS,GAAGI,aAAZ,GAA4B;AAH7B;AAHQ,OAAhB;AAUAJ,eAAS,IAAII,aAAb,CA3BwC,CA6BxC;AACA;;AACAF,oBAAc,IAAI,CAAlB,CA/BwC,CAiCxC;;AACArG,WAAK,GAAGqG,cAAR;AACD;;AAED,WAAO;AACLJ,8BAAwB,EAAxBA,wBADK;AAELzO,eAAS,EAATA,SAFK;AAGLwO,aAAO,EAAPA,OAHK;AAILI,qBAAe,EAAfA,eAJK;AAKLL,gBAAU,EAAVA,UALK;AAMLF,mBAAa,EAAbA;AANK,KAAP;AAQD;AAED;;;;;;;;;;;;;;;;;;;;;aAmBOb,gB,GAAP,0BAAyBziB,WAAzB,EAAsC;AACpC,QAAI5D,MAAM,GAAG,EAAb;AACA,QAAIgoB,KAAK,GAAGnF,UAAU,CAAC0D,OAAX,CAAmB3iB,WAAnB,EAAgC,CAAC,MAAD,EAAS,MAAT,CAAhC,CAAZ;AAEAokB,SAAK,CAACrW,OAAN,CAAc,UAAAsF,IAAI,EAAI;AACpB,UAAMG,IAAI,GAAGyL,UAAU,CAAC0D,OAAX,CAAmBtP,IAAnB,EAAyB,CAAC,MAAD,CAAzB,EAAmC,CAAnC,CAAb;;AACA,UAAIG,IAAJ,EAAU;AACR,YAAIiQ,OAAO,GAAGjQ,IAAI,CAACje,IAAL,CAAUie,IAAI,CAAC/J,KAAf,CAAd;AACA,YAAIgU,KAAK,GAAGgG,OAAO,KAAK,CAAZ,GAAgB,EAAhB,GAAqB,EAAjC;AACA,YAAIY,OAAO,GAAGpF,UAAU,CAAC8D,UAAX,CAAsBvP,IAAtB,EAA4BiK,KAA5B,CAAd;AAEA,YAAMxL,IAAI,GAAGgN,UAAU,CAAC0D,OAAX,CAAmBtP,IAAnB,EAAyB,CAAC,MAAD,EAAS,MAAT,CAAzB,EAA2C,CAA3C,CAAb;;AACA,YAAIpB,IAAJ,EAAU;AACRwR,iBAAO,GAAGxR,IAAI,CAAC1c,IAAL,CAAU0c,IAAI,CAACxI,KAAf,CAAV;AACAgU,eAAK,GAAGgG,OAAO,KAAK,CAAZ,GAAgB,EAAhB,GAAqB,EAA7B;AACA,cAAMxO,SAAS,GAAGgK,UAAU,CAAC8D,UAAX,CAAsB9Q,IAAtB,EAA4BwL,KAA5B,CAAlB;AAEA,cAAM1L,IAAI,GAAGkN,UAAU,CAAC0D,OAAX,CAAmBtP,IAAnB,EAAyB,CAAC,MAAD,EAAS,MAAT,CAAzB,EAA2C,CAA3C,CAAb;;AACA,cAAItB,IAAJ,EAAU;AACR,gBAAMuS,QAAQ,GAAGrF,UAAU,CAAC2D,OAAX,CAAmB7Q,IAAI,CAACxc,IAAL,CAAUiK,QAAV,CAAmBuS,IAAI,CAACtI,KAAL,GAAa,CAAhC,EAAmCsI,IAAI,CAACtI,KAAL,GAAa,EAAhD,CAAnB,CAAjB;AACA,gBAAI/M,IAAI,GAAG;AAAE,sBAAQ,OAAV;AAAmB,sBAAQ;AAA3B,cAAqC4nB,QAArC,CAAX;;AACA,gBAAI5nB,IAAJ,EAAU;AACR;AACA,kBAAI6nB,QAAQ,GAAGtF,UAAU,CAAC0D,OAAX,CAAmBtP,IAAnB,EAAyB,CAAC,MAAD,EAAS,MAAT,EAAiB,MAAjB,EAAyB,MAAzB,CAAzB,CAAf;;AACA,kBAAIkR,QAAQ,CAACjsB,MAAb,EAAqB;AACnBisB,wBAAQ,GAAGA,QAAQ,CAAC,CAAD,CAAnB;AACA,oBAAIC,SAAS,GAAGvF,UAAU,CAAC2D,OAAX,CAAmB2B,QAAQ,CAAChvB,IAAT,CAAciK,QAAd,CAAuB+kB,QAAQ,CAAC9a,KAAT,GAAiB,EAAxC,EAA4C8a,QAAQ,CAAC9a,KAAT,GAAiB,EAA7D,CAAnB,CAAhB;AACA9N,oEAAM,CAACC,GAAP,iBAAyBc,IAAzB,SAAiC8nB,SAAjC;AACD;;AACDpoB,oBAAM,CAACioB,OAAD,CAAN,GAAkB;AAAEpP,yBAAS,EAAEA,SAAb;AAAwBvY,oBAAI,EAAEA;AAA9B,eAAlB;AACAN,oBAAM,CAACM,IAAD,CAAN,GAAe;AAAEuY,yBAAS,EAAEA,SAAb;AAAwB5U,kBAAE,EAAEgkB;AAA5B,eAAf;AACD;AACF;AACF;AACF;AACF,KA/BD;AAgCA,WAAOjoB,MAAP;AACD;AAED;;;;;;;;;;;;;;;;;;aAgBOqoB,W,GAAP,qBAAoBjC,QAApB,EAA8BkC,QAA9B,EAAwC;AACtC,QAAIC,KAAJ,EAAWC,SAAX,EAAsBxoB,MAAtB,CADsC,CAGtC;;AACAuoB,SAAK,GAAG1F,UAAU,CAAC0D,OAAX,CAAmB+B,QAAnB,EAA6B,CAAC,MAAD,EAAS,MAAT,CAA7B,CAAR,CAJsC,CAMtC;;AACAE,aAAS,GAAG,GAAGnP,MAAH,CAAUD,KAAV,CAAgB,EAAhB,EAAoBmP,KAAK,CAACE,GAAN,CAAU,UAAUzR,IAAV,EAAgB;AACxD,aAAO6L,UAAU,CAAC0D,OAAX,CAAmBvP,IAAnB,EAAyB,CAAC,MAAD,CAAzB,EAAmCyR,GAAnC,CAAuC,UAAU1R,IAAV,EAAgB;AAC5D,YAAI9S,EAAJ,EAAQykB,KAAR,EAAeC,QAAf,CAD4D,CAG5D;;AACA1kB,UAAE,GAAG4e,UAAU,CAAC8D,UAAX,CAAsB5P,IAAtB,EAA4B,CAA5B,CAAL,CAJ4D,CAK5D;;AACA2R,aAAK,GAAGtC,QAAQ,CAACniB,EAAD,CAAR,CAAa4U,SAAb,IAA0B,IAAlC,CAN4D,CAQ5D;;AACA8P,gBAAQ,GAAG9F,UAAU,CAAC0D,OAAX,CAAmBvP,IAAnB,EAAyB,CAAC,MAAD,CAAzB,EAAmCyR,GAAnC,CAAuC,UAAU3R,IAAV,EAAgB;AAChE,cAAIuQ,OAAJ,EAAarnB,MAAb;AAEAqnB,iBAAO,GAAGvQ,IAAI,CAAC3d,IAAL,CAAU2d,IAAI,CAACzJ,KAAf,CAAV;AACArN,gBAAM,GAAG6iB,UAAU,CAAC8D,UAAX,CAAsB7P,IAAtB,EAA4B,CAA5B,CAAT;;AACA,cAAIuQ,OAAO,KAAK,CAAhB,EAAmB;AACjBrnB,kBAAM,IAAI+G,IAAI,CAACiO,GAAL,CAAS,CAAT,EAAY,EAAZ,CAAV;AAEAhV,kBAAM,IAAI6iB,UAAU,CAAC8D,UAAX,CAAsB7P,IAAtB,EAA4B,CAA5B,CAAV;AACD;;AACD,iBAAO9W,MAAP;AACD,SAXU,EAWR,CAXQ,CAAX,CAT4D,CAqB5D;;AACA,eAAO2oB,QAAQ,GAAGD,KAAlB;AACD,OAvBM,CAAP;AAwBD,KAzB+B,CAApB,CAAZ,CAPsC,CAkCtC;;AACA1oB,UAAM,GAAG+G,IAAI,CAACC,GAAL,CAASoS,KAAT,CAAe,IAAf,EAAqBoP,SAArB,CAAT;AACA,WAAOI,QAAQ,CAAC5oB,MAAD,CAAR,GAAmBA,MAAnB,GAA4B,CAAnC;AACD,G;;aAEM6oB,c,GAAP,wBAAuBzC,QAAvB,EAAiCkC,QAAjC,EAA2C1jB,UAA3C,EAAuD;AACrDie,cAAU,CAAC0D,OAAX,CAAmB+B,QAAnB,EAA6B,CAAC,MAAD,EAAS,MAAT,CAA7B,EAA+CG,GAA/C,CAAmD,UAAUzR,IAAV,EAAgB;AACjE,aAAO6L,UAAU,CAAC0D,OAAX,CAAmBvP,IAAnB,EAAyB,CAAC,MAAD,CAAzB,EAAmCyR,GAAnC,CAAuC,UAAU1R,IAAV,EAAgB;AAC9D;AACE,YAAI9S,EAAE,GAAG4e,UAAU,CAAC8D,UAAX,CAAsB5P,IAAtB,EAA4B,CAA5B,CAAT,CAF4D,CAG5D;;AACA,YAAI8B,SAAS,GAAGuN,QAAQ,CAACniB,EAAD,CAAR,CAAa4U,SAAb,IAA0B,IAA1C,CAJ4D,CAM5D;;AACAgK,kBAAU,CAAC0D,OAAX,CAAmBvP,IAAnB,EAAyB,CAAC,MAAD,CAAzB,EAAmCyR,GAAnC,CAAuC,UAAU3R,IAAV,EAAgB;AACrD,cAAIuQ,OAAO,GAAGvQ,IAAI,CAAC3d,IAAL,CAAU2d,IAAI,CAACzJ,KAAf,CAAd;AACA,cAAI4L,mBAAmB,GAAG4J,UAAU,CAAC8D,UAAX,CAAsB7P,IAAtB,EAA4B,CAA5B,CAA1B;;AACA,cAAIuQ,OAAO,KAAK,CAAhB,EAAmB;AACjBxE,sBAAU,CAAC+D,WAAX,CAAuB9P,IAAvB,EAA6B,CAA7B,EAAgCmC,mBAAmB,GAAGrU,UAAU,GAAGiU,SAAnE;AACD,WAFD,MAEO;AACLI,+BAAmB,IAAIlS,IAAI,CAACiO,GAAL,CAAS,CAAT,EAAY,EAAZ,CAAvB;AACAiE,+BAAmB,IAAI4J,UAAU,CAAC8D,UAAX,CAAsB7P,IAAtB,EAA4B,CAA5B,CAAvB;AACAmC,+BAAmB,IAAIrU,UAAU,GAAGiU,SAApC;AACAI,+BAAmB,GAAGlS,IAAI,CAAC+U,GAAL,CAAS7C,mBAAT,EAA8B,CAA9B,CAAtB;AACA,gBAAM6P,KAAK,GAAG/hB,IAAI,CAACkE,KAAL,CAAWgO,mBAAmB,IAAIlE,UAAU,GAAG,CAAjB,CAA9B,CAAd;AACA,gBAAMgU,KAAK,GAAGhiB,IAAI,CAACkE,KAAL,CAAWgO,mBAAmB,IAAIlE,UAAU,GAAG,CAAjB,CAA9B,CAAd;AACA8N,sBAAU,CAAC+D,WAAX,CAAuB9P,IAAvB,EAA6B,CAA7B,EAAgCgS,KAAhC;AACAjG,sBAAU,CAAC+D,WAAX,CAAuB9P,IAAvB,EAA6B,CAA7B,EAAgCiS,KAAhC;AACD;AACF,SAfD;AAgBD,OAvBM,CAAP;AAwBD,KAzBD;AA0BD,G,CAED;;;SACApkB,M,GAAA,gBAAQxL,IAAR,EAAcyL,UAAd,EAA0BC,UAA1B,EAAsCC,kBAAtC,EAA0D;AACxD,QAAIshB,QAAQ,GAAG,KAAKA,QAApB;;AACA,QAAI,CAACA,QAAL,EAAe;AACb,WAAKziB,gBAAL,CAAsBxK,IAAtB,EAA4B,KAAK4H,UAAjC,EAA6C,KAAK8C,UAAlD,EAA8D,KAA9D;AACAuiB,cAAQ,GAAG,KAAKA,QAAhB;AACD;;AACD,QAAIxG,QAAJ;AAAA,QAAchD,OAAO,GAAG,KAAKA,OAA7B;;AACA,QAAIA,OAAO,KAAKpe,SAAhB,EAA2B;AACzB,UAAIohB,SAAQ,GAAGiD,UAAU,CAACwF,WAAX,CAAuBjC,QAAvB,EAAiCjtB,IAAjC,CAAf;;AACA,WAAKyjB,OAAL,GAAeA,OAAO,GAAGgD,SAAQ,GAAGhb,UAApC;AACA,WAAKhG,QAAL,CAAcuB,OAAd,CAAsBC,+CAAK,CAAC4c,cAA5B,EAA4C;AAAEJ,eAAO,EAAEA;AAAX,OAA5C;AACD;;AACDiG,cAAU,CAACgG,cAAX,CAA0BzC,QAA1B,EAAoCjtB,IAApC,EAA0CyjB,OAA1C;AACAgD,YAAQ,GAAGiD,UAAU,CAACwF,WAAX,CAAuBjC,QAAvB,EAAiCjtB,IAAjC,CAAX;AACA,SAAKuK,OAAL,CAAayB,KAAb,CAAmBihB,QAAQ,CAACva,KAA5B,EAAmCua,QAAQ,CAACxa,KAA5C,EAAmD,IAAnD,EAAyD,IAAzD,EAA+DgU,QAA/D,EAAyE/a,UAAzE,EAAqFC,kBAArF,EAAyG3L,IAAzG;AACD,G;;SAEDoF,O,GAAA,mBAAW,CAAE,C;;;;;AAGAskB,yEAAf,E;;;;;;;;;;;;AC9YA;AACA;AACAmG,MAAM,CAACC,OAAP,GAAiB,KAAK,CAAtB,C;;;;;;;;;;;;ACFA;AAAA;AAAA;AAAO,IAAK1oB,UAAZ;AAaA;;;;;WAbYA,U;AAAAA,Y;AAAAA,Y;AAAAA,Y;AAAAA,Y;AAAAA,Y;GAAAA,U,KAAAA,U;;AAiBL,IAAKG,YAAZ;;WAAYA,Y;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;GAAAA,Y,KAAAA,Y;;;;;;;;;;;;;;;ACjBZ;;;;AAIA,IAAMwoB,SAAS;AACb;AACAC,iBAAe,EAAE,mBAFJ;AAGb;AACAC,gBAAc,EAAE,kBAJH;AAKb;AACAC,iBAAe,EAAE,mBANJ;AAOb;AACAC,gBAAc,EAAE,kBARH;AASb;AACAC,cAAY,EAAE,gBAVD;AAWb;AACAC,eAAa,EAAE,iBAZF;AAab;AACAC,gBAAc,EAAE,kBAdH;AAeb;AACAC,kBAAgB,EAAE,oBAhBL;AAiBb;AACAC,iBAAe,EAAE,mBAlBJ;AAmBb;AACAC,YAAU,EAAE,cApBC;AAqBb;AACAC,iBAAe,EAAE,mBAtBJ;AAuBb;AACAC,gBAAc,EAAE,kBAxBH;AAyBb;AACAC,kBAAgB,EAAE,oBA1BL;AA2Bb;AACAC,iBAAe,EAAE,mBA5BJ;AA6Bb;AACAC,iBAAe,EAAE,mBA9BJ;AA+Bb;AACAC,iBAAe,EAAE,mBAhCJ;AAiCb;AACAC,gBAAc,EAAE,kBAlCH;AAmCb;AACAC,eAAa,EAAE,iBApCF;AAqCb;AACAC,cAAY,EAAE,gBAtCD;AAuCb;AACAC,eAAa,EAAE,iBAxCF;AAyCb;AACAC,mBAAiB,EAAE,oBA1CN;AA2Cb;AACAC,0BAAwB,EAAE,0BA5Cb;AA6Cb;AACAC,sBAAoB,EAAE,uBA9CT;AA+Cb;AACAC,uBAAqB,EAAE,wBAhDV;AAiDb;AACAC,sBAAoB,EAAE,uBAlDT;AAmDb;AACAC,qBAAmB,EAAE,sBApDR;AAqDb;AACAC,oBAAkB,EAAE,qBAtDP;AAuDb;AACAC,yBAAuB,EAAE,0BAxDZ;AAyDb;AACAC,uBAAqB,EAAE,wBA1DV;AA2Db;AACAC,wBAAsB,EAAE,yBA5DX;AA6Db;AACAC,uBAAqB,EAAE,wBA9DV;AA+Db;AACAC,yBAAuB,EAAE,0BAhEZ;AAiEb;AACAlO,gBAAc,EAAE,iBAlEH;AAmEb;AACAmO,cAAY,EAAE,gBApED;AAqEb;AACAC,oBAAkB,EAAE,qBAtEP;AAuEb;AACAC,6BAA2B,EAAE,6BAxEhB;AAyEb;AACAC,aAAW,EAAE,eA1EA;AA2Eb;AACAhJ,gBAAc,EAAE,kBA5EH;AA6Eb;AACAnF,2BAAyB,EAAE,2BA9Ed;AA+Eb;AACAoE,uBAAqB,EAAE,wBAhFV;AAiFb;AACAD,uBAAqB,EAAE,wBAlFV;AAmFb;AACArB,mBAAiB,EAAE,oBApFN;AAqFb;AACAzD,aAAW,EAAE,eAtFA;AAuFb;AACA+O,eAAa,EAAE,iBAxFF;AAyFb;AACAC,cAAY,EAAE,gBA1FD;AA2Fb;AACAC,UAAQ,EAAE,YA5FG;AA6Fb;AACAC,wBAAsB,EAAE,wBA9FX;AA+Fb;AACArrB,OAAK,EAAE,UAhGM;AAiGb;AACAsrB,YAAU,EAAE,eAlGC;AAmGb;AACAC,aAAW,EAAE,eApGA;AAqGb;AACAC,YAAU,EAAE,cAtGC;AAuGb;AACAC,yBAAuB,EAAE;AAxGZ,4CA0Ga,0BA1Gb,aA4GbC,mBA5Ga,GA4GQ,qBA5GR,aAAf;AA+Ge7C,wEAAf,E;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;ACnHA;;;;;AAMA;AACA;AACA;AAGA,IAAM8C,qBAAqB,GAAG;AAC5B,qBAAmB,IADS;AAE5B,0BAAwB,IAFI;AAG5B,yBAAuB;AAHK,CAA9B;;IAMMC,0B;;;AAKJ,wBAAaC,GAAb,EAAyC;AAAA,SAJzCA,GAIyC;AAAA,SAHzCC,aAGyC;AAAA,SAFzCC,iBAEyC;AACvC,SAAKF,GAAL,GAAWA,GAAX;AACA,SAAKG,OAAL,GAAe,KAAKA,OAAL,CAAa/iB,IAAb,CAAkB,IAAlB,CAAf;;AAFuC,sCAAfgjB,MAAe;AAAfA,YAAe;AAAA;;AAGvC,SAAKH,aAAL,GAAqBG,MAArB;AACA,SAAKF,iBAAL,GAAyB,IAAzB;AAEA,SAAKG,iBAAL;AACD;;;;SAEDhuB,O,GAAA,mBAAW;AACT,SAAKiuB,mBAAL;AACA,SAAKC,mBAAL;AACA,SAAKC,kBAAL;AACD,G;;SAESF,mB,GAAV,+BAAiC,CAAE,C;;SACzBE,kB,GAAV,8BAAgC,CAAE,C;;SAElCC,c,GAAA,0BAAkB;AAChB,WAAO,OAAO,KAAKR,aAAZ,KAA8B,QAA9B,IAA0C,KAAKA,aAAL,CAAmBjwB,MAA7D,IAAuE,OAAO,KAAKmwB,OAAZ,KAAwB,UAAtG;AACD,G;;SAEDE,iB,GAAA,6BAAqB;AACnB,QAAI,KAAKI,cAAL,EAAJ,EAA2B;AACzB,WAAKR,aAAL,CAAmBxa,OAAnB,CAA2B,UAAUuR,KAAV,EAAiB;AAC1C,YAAI8I,qBAAqB,CAAC9I,KAAD,CAAzB,EAAkC;AAChC,gBAAM,IAAI9mB,KAAJ,CAAU,2BAA2B8mB,KAArC,CAAN;AACD;;AAED,aAAKgJ,GAAL,CAASpI,EAAT,CAAYZ,KAAZ,EAAmB,KAAKmJ,OAAxB;AACD,OAND,EAMG,IANH;AAOD;AACF,G;;SAEDI,mB,GAAA,+BAAuB;AACrB,QAAI,KAAKE,cAAL,EAAJ,EAA2B;AACzB,WAAKR,aAAL,CAAmBxa,OAAnB,CAA2B,UAAUuR,KAAV,EAAiB;AAC1C,aAAKgJ,GAAL,CAAS9I,GAAT,CAAaF,KAAb,EAAoB,KAAKmJ,OAAzB;AACD,OAFD,EAEG,IAFH;AAGD;AACF;AAED;;;;;SAGAA,O,GAAA,iBAASnJ,KAAT,EAAwB/pB,IAAxB,EAAmC;AACjC,SAAKyzB,cAAL,CAAoB1J,KAApB,EAA2B/pB,IAA3B;AACD,G;;SAEDyzB,c,GAAA,wBAAgB1J,KAAhB,EAA+B/pB,IAA/B,EAA0C;AACxC,QAAI0zB,eAAe,GAAG,SAAlBA,eAAkB,CAAU3J,KAAV,EAAyB/pB,IAAzB,EAAoC;AACxD,UAAI2zB,QAAQ,GAAG,OAAO5J,KAAK,CAAC4C,OAAN,CAAc,KAAd,EAAqB,EAArB,CAAtB;;AACA,UAAI,OAAO,KAAKgH,QAAL,CAAP,KAA0B,UAA9B,EAA0C;AACxC,cAAM,IAAI1wB,KAAJ,YAAmB8mB,KAAnB,wCAA2D,KAAK6J,WAAL,CAAiB1zB,IAA5E,sBAAiGyzB,QAAjG,OAAN;AACD;;AAED,aAAO,KAAKA,QAAL,EAAexjB,IAAf,CAAoB,IAApB,EAA0BnQ,IAA1B,CAAP;AACD,KAPD;;AAQA,QAAI;AACF0zB,qBAAe,CAAClU,IAAhB,CAAqB,IAArB,EAA2BuK,KAA3B,EAAkC/pB,IAAlC,EAAwCwf,IAAxC;AACD,KAFD,CAEE,OAAO7Y,GAAP,EAAY;AACZP,sBAAM,CAACU,KAAP,sDAAgEijB,KAAhE,2BAA0FpjB,GAAG,CAACI,OAA9F,gCAAiIJ,GAAjI;AACA,WAAKosB,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,YAAI,EAAEC,oBAAU,CAACysB,WAAnB;AAAgCvsB,eAAO,EAAEC,sBAAY,CAACusB,kBAAtD;AAA0ErsB,aAAK,EAAE,KAAjF;AAAwFsiB,aAAK,EAAEA,KAA/F;AAAsGpjB,WAAG,EAAEA;AAA3G,OAA9B;AACD;AACF,G;;;;;AAGYmsB,4EAAf,E;;ACSA;;;;;AAKO,IAAKiB,mBAAZ;AAOA;;;;WAPYA,mB;AAAAA,qB;AAAAA,qB;AAAAA,qB;AAAAA,qB;GAAAA,mB,KAAAA,mB;;AAUL,IAAKC,iBAAZ;;WAAYA,iB;AAAAA,mB;AAAAA,mB;AAAAA,mB;GAAAA,iB,KAAAA,iB;;;;;;;;;ACjHZ;;IAEqBC,kB;;;AASnB,oBAAaC,OAAb,EAA8BC,WAA9B,EAAmD;AAAA,SAR3CC,IAQ2C,GARrB,IAQqB;AAAA,SAN5CC,OAM4C;AAAA,SAL5CC,MAK4C;AAAA,SAJ5CrhB,MAI4C,GAJpB,IAIoB;AAAA,SAH5ChT,GAG4C,GAHnB,IAGmB;AAAA,SAF5CJ,EAE4C,GAFpB,IAEoB;AACjD,SAAKw0B,OAAL,GAAeH,OAAf;AACA,SAAKI,MAAL,GAAcH,WAAd;AACD;;;;wBAEU;AACT,UAAI,CAAC,KAAKC,IAAN,IAAc,KAAKE,MAAvB,EAA+B;AAC7B,aAAKF,IAAL,GAAYG,uCAAgB,CAAC,KAAKF,OAAN,EAAe,KAAKC,MAApB,EAA4B;AAAEE,yBAAe,EAAE;AAAnB,SAA5B,CAA5B;AACD;;AAED,aAAO,KAAKJ,IAAZ;AACD;;;;;;;;;;;;;;;ACrBH;AACA;AACA;AAGO,IAAKK,qBAAZ;;WAAYA,qB;AAAAA,uB;AAAAA,uB;GAAAA,qB,KAAAA,qB;;IAKSC,iB;;;;;;SACXC,I,GAAsB,I;SACtBC,U,GAA8B,I;SAC9BC,Y,GAAgC,I;SAGhCC,kB,sDACLL,qBAAqB,CAACM,K,IAAQ,K,wBAC9BN,qBAAqB,CAACO,K,IAAQ,K;SAI1BC,Q,GAAmB,C;SAEnBC,kB,GAAoC,I;SACpCC,e,GAAiC,I;SACjCC,K,GAAuB,I;SACvBC,O,GAA2B,E;SAS3BC,E;SAEAnuB,I;SAEAouB,M;SAEAC,O;SAEA7qB,Q;SAEAuJ,K;SAEA2L,E,GAA6B,C;SAE7B4V,K,GAAgB,C;SAEhBC,K,GAAgB,C;SAIhBC,Q;SAGAC,M;;;;;AAEP;SACAC,Y,GAAA,sBAAcpb,KAAd,EAA6Bqb,YAA7B,EAAsD;AACpD,QAAMC,MAAM,GAAGtb,KAAK,CAACub,KAAN,CAAY,GAAZ,EAAiB,CAAjB,CAAf;AACA,QAAMC,SAAmB,GAAG,EAA5B;;AACA,QAAIF,MAAM,CAAChzB,MAAP,KAAkB,CAAtB,EAAyB;AACvBkzB,eAAS,CAAC,CAAD,CAAT,GAAeH,YAAY,GAAGA,YAAY,CAACI,kBAAhB,GAAqC,CAAhE;AACD,KAFD,MAEO;AACLD,eAAS,CAAC,CAAD,CAAT,GAAe9oB,QAAQ,CAAC4oB,MAAM,CAAC,CAAD,CAAP,CAAvB;AACD;;AACDE,aAAS,CAAC,CAAD,CAAT,GAAe9oB,QAAQ,CAAC4oB,MAAM,CAAC,CAAD,CAAP,CAAR,GAAsBE,SAAS,CAAC,CAAD,CAA9C;AACA,SAAKrB,UAAL,GAAkBqB,SAAlB;AACD,G;;AAiFD;;;SAGAE,mB,GAAA,6BAAqBhvB,IAArB,EAAkD;AAChD,SAAK2tB,kBAAL,CAAwB3tB,IAAxB,IAAgC,IAAhC;AACD;AAED;;;;;SAGAivB,mB,GAAA,6BAAqBjvB,IAArB,EAAkD;AAChD,WAAO,KAAK2tB,kBAAL,CAAwB3tB,IAAxB,MAAkC,IAAzC;AACD;AAED;;;;;;;SAKAkvB,0B,GAAA,oCAA4BC,aAA5B,EAA+D;AAC7D,QAAIC,SAAS,GAAG,IAAI7oB,UAAJ,CAAe,EAAf,CAAhB;;AAEA,SAAK,IAAIhM,CAAC,GAAG,EAAb,EAAiBA,CAAC,GAAG,EAArB,EAAyBA,CAAC,EAA1B,EAA8B;AAC5B60B,eAAS,CAAC70B,CAAD,CAAT,GAAgB40B,aAAa,IAAI,KAAK,KAAK50B,CAAV,CAAlB,GAAkC,IAAjD;AACD;;AAED,WAAO60B,SAAP;AACD;AAED;;;;;;;;SAMAC,0B,GAAA,oCAA4Bb,QAA5B,EAAgDW,aAAhD,EAAiF;AAC/E,QAAIzlB,WAAW,GAAG8kB,QAAlB;;AAEA,QAAIA,QAAQ,IAAIA,QAAQ,CAAC1iB,MAArB,IAA+B0iB,QAAQ,CAACc,GAAxC,IAA+C,CAACd,QAAQ,CAAC91B,EAA7D,EAAiE;AAC/DgR,iBAAW,GAAG,IAAIojB,kBAAJ,CAAa0B,QAAQ,CAACtB,OAAtB,EAA+BsB,QAAQ,CAACrB,MAAxC,CAAd;AACAzjB,iBAAW,CAACoC,MAAZ,GAAqB0iB,QAAQ,CAAC1iB,MAA9B;AACApC,iBAAW,CAAChR,EAAZ,GAAiB,KAAKw2B,0BAAL,CAAgCC,aAAhC,CAAjB;AACD;;AAED,WAAOzlB,WAAP;AACD,G;;;;wBA5HU;AACT,UAAI,CAAC,KAAK8jB,IAAN,IAAc,KAAKY,MAAvB,EAA+B;AAC7B,aAAKZ,IAAL,GAAYJ,uCAAgB,CAAC,KAAKiB,OAAN,EAAe,KAAKD,MAApB,EAA4B;AAAEf,yBAAe,EAAE;AAAnB,SAA5B,CAA5B;AACD;;AAED,aAAO,KAAKG,IAAZ;AACD,K;sBAEQla,K,EAAO;AACd,WAAKka,IAAL,GAAYla,KAAZ;AACD;;;wBAE0B;AACzB,UAAI,CAAC,KAAKma,UAAV,EAAsB;AACpB,eAAO,EAAP;AACD;;AAED,aAAO,KAAKA,UAAZ;AACD;AAED;;;;;;wBAG4B;AAC1B,aAAO,KAAKqB,SAAL,CAAe,CAAf,CAAP;AACD;;;wBAEyB;AACxB,aAAO,KAAKA,SAAL,CAAe,CAAf,CAAP;AACD;;;wBAEmC;AAClC,UAAI,CAAC,KAAKN,QAAN,IAAkB,CAAC,KAAKd,YAA5B,EAA0C;AACxC,eAAO,IAAP;AACD;;AAED,UAAI,CAAC,KAAKA,YAAN,IAAsB,KAAKc,QAA/B,EAAyC;AACvC,YAAI9V,EAAE,GAAG,KAAKA,EAAd;;AACA,YAAI,OAAOA,EAAP,KAAc,QAAlB,EAA4B;AAC1B;AACA;AACA;AACA,cAAI,KAAK8V,QAAL,IAAiB,KAAKA,QAAL,CAAc1iB,MAAd,KAAyB,SAA1C,IAAuD,CAAC,KAAK0iB,QAAL,CAAc91B,EAA1E,EAA8E;AAC5EuG,4BAAM,CAACgN,IAAP,0DAAkE,KAAKuiB,QAAL,CAAc1iB,MAAhF;AACD;AAED;;;;;;;;;AAOA4M,YAAE,GAAG,CAAL;AACD;;AACD,aAAKgV,YAAL,GAAoB,KAAK2B,0BAAL,CAAgC,KAAKb,QAArC,EAA+C9V,EAA/C,CAApB;AACD;;AAED,aAAO,KAAKgV,YAAZ;AACD;;;wBAEyB;AACxB,UAAI,KAAKM,eAAL,KAAyB,IAA7B,EAAmC;AACjC,eAAO,IAAP;AACD;;AAED,UAAI,CAAC,0CAAgB,KAAKA,eAArB,CAAL,EAA4C;AAC1C,eAAO,IAAP;AACD;;AAED,UAAIxqB,QAAQ,GAAG,CAAC,0CAAgB,KAAKA,QAArB,CAAD,GAAkC,CAAlC,GAAsC,KAAKA,QAA1D;AAEA,aAAO,KAAKwqB,eAAL,GAAwBxqB,QAAQ,GAAG,IAA1C;AACD;;;wBAEgB;AACf,aAAO,CAAC,EAAG,KAAKkG,WAAL,IAAoB,KAAKA,WAAL,CAAiB4lB,GAAjB,KAAyB,IAA9C,IAAwD,KAAK5lB,WAAL,CAAiB5Q,GAAjB,KAAyB,IAAnF,CAAR;AACD;;;;;;;;;;;;;;ICxJkBy2B,W;;;AACnB,iBAAaC,OAAb,EAAsB;AACpB;AACA,SAAKC,KAAL,GAAa,CAAb;AACA,SAAKC,KAAL,GAAa,CAAb;AACA,SAAKC,SAAL,GAAiB,EAAjB;AACA,SAAKrsB,WAAL,GAAmB,IAAnB;AACA,SAAKssB,IAAL,GAAY,IAAZ;AACA,SAAKC,cAAL,GAAsB,KAAtB;AACA,SAAKC,OAAL,GAAe,CAAf;AACA,SAAKC,OAAL,GAAe,CAAf;AACA,SAAKC,eAAL,GAAuB,IAAvB;AACA,SAAKC,cAAL,GAAsB,CAAtB;AACA,SAAKC,aAAL,GAAqB,CAArB;AACA,SAAKlwB,IAAL,GAAY,IAAZ;AACA,SAAKglB,GAAL,GAAWwK,OAAX;AACA,SAAKzI,OAAL,GAAe,IAAf;AACD;;;;wBAEyB;AACxB,aAAO,CAAC,EAAE,KAAK4I,SAAL,CAAe,CAAf,KAAqB,0CAAgB,KAAKA,SAAL,CAAe,CAAf,EAAkB3B,eAAlC,CAAvB,CAAR;AACD;;;;;;;;ACrBH,IAAMmC,wBAAwB,GAAG,eAAjC,C,CAAkD;;AAClD,IAAMC,eAAe,GAAG,uCAAxB,C,CAAiE;AAEjE;;IACMC,Q;;;AACJ,oBAAaC,KAAb,EAAoB;AAClB,QAAI,OAAOA,KAAP,KAAiB,QAArB,EAA+B;AAC7BA,WAAK,GAAGD,QAAQ,CAACE,aAAT,CAAuBD,KAAvB,CAAR;AACD;;AAED,SAAK,IAAIE,IAAT,IAAiBF,KAAjB,EAAwB;AACtB,UAAIA,KAAK,CAACrZ,cAAN,CAAqBuZ,IAArB,CAAJ,EAAgC;AAC9B,aAAKA,IAAL,IAAaF,KAAK,CAACE,IAAD,CAAlB;AACD;AACF;AACF;;;;SAEDC,c,GAAA,wBAAgBC,QAAhB,EAA0B;AACxB,QAAMC,QAAQ,GAAG3qB,QAAQ,CAAC,KAAK0qB,QAAL,CAAD,EAAiB,EAAjB,CAAzB;;AACA,QAAIC,QAAQ,GAAGC,MAAM,CAACC,gBAAtB,EAAwC;AACtC,aAAOrU,QAAP;AACD;;AAED,WAAOmU,QAAP;AACD,G;;SAEDG,kB,GAAA,4BAAoBJ,QAApB,EAA8B;AAC5B,QAAI,KAAKA,QAAL,CAAJ,EAAoB;AAClB,UAAIK,WAAW,GAAG,CAAC,KAAKL,QAAL,KAAkB,IAAnB,EAAyBh3B,KAAzB,CAA+B,CAA/B,CAAlB;AACAq3B,iBAAW,GAAG,CAAEA,WAAW,CAACn1B,MAAZ,GAAqB,CAAtB,GAA2B,GAA3B,GAAiC,EAAlC,IAAwCm1B,WAAtD;AAEA,UAAMzd,KAAK,GAAG,IAAI/M,UAAJ,CAAewqB,WAAW,CAACn1B,MAAZ,GAAqB,CAApC,CAAd;;AACA,WAAK,IAAIrB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGw2B,WAAW,CAACn1B,MAAZ,GAAqB,CAAzC,EAA4CrB,CAAC,EAA7C,EAAiD;AAC/C+Y,aAAK,CAAC/Y,CAAD,CAAL,GAAWyL,QAAQ,CAAC+qB,WAAW,CAACr3B,KAAZ,CAAkBa,CAAC,GAAG,CAAtB,EAAyBA,CAAC,GAAG,CAAJ,GAAQ,CAAjC,CAAD,EAAsC,EAAtC,CAAnB;AACD;;AAED,aAAO+Y,KAAP;AACD,KAVD,MAUO;AACL,aAAO,IAAP;AACD;AACF,G;;SAED0d,0B,GAAA,oCAA4BN,QAA5B,EAAsC;AACpC,QAAMC,QAAQ,GAAG3qB,QAAQ,CAAC,KAAK0qB,QAAL,CAAD,EAAiB,EAAjB,CAAzB;;AACA,QAAIC,QAAQ,GAAGC,MAAM,CAACC,gBAAtB,EAAwC;AACtC,aAAOrU,QAAP;AACD;;AAED,WAAOmU,QAAP;AACD,G;;SAEDM,oB,GAAA,8BAAsBP,QAAtB,EAAgC;AAC9B,WAAOQ,UAAU,CAAC,KAAKR,QAAL,CAAD,CAAjB;AACD,G;;SAEDS,gB,GAAA,0BAAkBT,QAAlB,EAA4B;AAC1B,WAAO,KAAKA,QAAL,CAAP;AACD,G;;SAEDU,iB,GAAA,2BAAmBV,QAAnB,EAA6B;AAC3B,QAAMW,GAAG,GAAGlB,wBAAwB,CAACmB,IAAzB,CAA8B,KAAKZ,QAAL,CAA9B,CAAZ;;AACA,QAAIW,GAAG,KAAK,IAAZ,EAAkB;AAChB,aAAOnzB,SAAP;AACD;;AAED,WAAO;AACLmL,WAAK,EAAErD,QAAQ,CAACqrB,GAAG,CAAC,CAAD,CAAJ,EAAS,EAAT,CADV;AAEL9nB,YAAM,EAAEvD,QAAQ,CAACqrB,GAAG,CAAC,CAAD,CAAJ,EAAS,EAAT;AAFX,KAAP;AAID,G;;WAEMd,a,GAAP,uBAAsBgB,KAAtB,EAA6B;AAC3B,QAAIxW,KAAJ;AAAA,QAAWuV,KAAK,GAAG,EAAnB;AACAF,mBAAe,CAACoB,SAAhB,GAA4B,CAA5B;;AACA,WAAO,CAACzW,KAAK,GAAGqV,eAAe,CAACkB,IAAhB,CAAqBC,KAArB,CAAT,MAA0C,IAAjD,EAAuD;AACrD,UAAIje,KAAK,GAAGyH,KAAK,CAAC,CAAD,CAAjB;AAAA,UAAsB0W,KAAK,GAAG,GAA9B;;AAEA,UAAIne,KAAK,CAAChS,OAAN,CAAcmwB,KAAd,MAAyB,CAAzB,IACAne,KAAK,CAACoe,WAAN,CAAkBD,KAAlB,MAA8Bne,KAAK,CAAC1X,MAAN,GAAe,CADjD,EACqD;AACnD0X,aAAK,GAAGA,KAAK,CAAC5Z,KAAN,CAAY,CAAZ,EAAe,CAAC,CAAhB,CAAR;AACD;;AAED42B,WAAK,CAACvV,KAAK,CAAC,CAAD,CAAN,CAAL,GAAkBzH,KAAlB;AACD;;AACD,WAAOgd,KAAP;AACD,G;;;;;AAGYD,sDAAf,E;;ACxFA;AACA,IAAMsB,mBAAmB,GAAG;AAC1BpmB,OAAK,EAAE;AACL,YAAQ,IADH;AAEL,YAAQ,IAFH;AAGL,YAAQ,IAHH;AAIL,YAAQ,IAJH;AAKL,YAAQ,IALH;AAML,YAAQ,IANH;AAOL,YAAQ,IAPH;AAQL,YAAQ,IARH;AASL,YAAQ,IATH;AAUL,YAAQ,IAVH;AAWL,YAAQ,IAXH;AAYL,YAAQ,IAZH;AAaL,YAAQ,IAbH;AAcL,YAAQ,IAdH;AAeL,YAAQ,IAfH;AAgBL,YAAQ,IAhBH;AAiBL,YAAQ,IAjBH;AAkBL,YAAQ,IAlBH;AAmBL,YAAQ,IAnBH;AAoBL,YAAQ,IApBH;AAqBL,YAAQ,IArBH;AAsBL,YAAQ,IAtBH;AAuBL,YAAQ,IAvBH;AAwBL,YAAQ,IAxBH;AAyBL,YAAQ,IAzBH;AA0BL,YAAQ,IA1BH;AA2BL,YAAQ,IA3BH;AA4BL,YAAQ,IA5BH;AA6BL,YAAQ,IA7BH;AA8BL,YAAQ,IA9BH;AA+BL,YAAQ,IA/BH;AAgCL,YAAQ;AAhCH,GADmB;AAmC1BD,OAAK,EAAE;AACL,YAAQ,IADH;AAEL,YAAQ,IAFH;AAGL,YAAQ,IAHH;AAIL,YAAQ,IAJH;AAKL,YAAQ,IALH;AAML,YAAQ,IANH;AAOL,YAAQ,IAPH;AAQL,YAAQ,IARH;AASL,YAAQ,IATH;AAUL,YAAQ,IAVH;AAWL,YAAQ,IAXH;AAYL,YAAQ,IAZH;AAaL,YAAQ,IAbH;AAcL,YAAQ,IAdH;AAeL,YAAQ,IAfH;AAgBL,YAAQ,IAhBH;AAiBL,YAAQ,IAjBH;AAkBL,YAAQ,IAlBH;AAmBL,YAAQ,IAnBH;AAoBL,YAAQ,IApBH;AAqBL,YAAQ,IArBH;AAsBL,YAAQ,IAtBH;AAuBL,YAAQ,IAvBH;AAwBL,YAAQ,IAxBH;AAyBL,YAAQ;AAzBH;AAnCmB,CAA5B;;AAkEA,SAASsmB,WAAT,CAAsBnwB,KAAtB,EAAqCzB,IAArC,EAA+D;AAC7D,MAAM6xB,SAAS,GAAGF,mBAAmB,CAAC3xB,IAAD,CAArC;AACA,SAAO,CAAC,CAAC6xB,SAAF,IAAeA,SAAS,CAACpwB,KAAK,CAAC/H,KAAN,CAAY,CAAZ,EAAe,CAAf,CAAD,CAAT,KAAiC,IAAvD;AACD;;AAED,SAASo4B,qBAAT,CAAgCrwB,KAAhC,EAA+CzB,IAA/C,EAAyE;AACvE,SAAO+xB,WAAW,CAACC,eAAZ,EAA+BhyB,IAAI,IAAI,OAAvC,uBAA8DyB,KAA9D,QAAP;AACD;;;;;;;AC1ED;AAEA;AACA;AACA;AAEA;AACA;AACA;;AAIA;;;;AAKA;AACA,IAAMwwB,qBAAqB,GAAG,gDAA9B;AACA,IAAMC,2BAA2B,GAAG,oBAApC;AAEA,IAAMC,yBAAyB,GAAG,IAAIC,MAAJ,CAAW,CAC3C,0CAA0CC,MADC,EACO;AAClD,mBAAmBA,MAFwB,EAEhB;AAC3B,0BAA0BA,MAHiB,EAGT;AAClC,iCAAiCA,MAJU,EAIF;AACzC,OAAOA,MALoC,CAK7B;AAL6B,EAM3C5f,IAN2C,CAMtC,EANsC,CAAX,EAMtB,GANsB,CAAlC;AAQA,IAAM6f,yBAAyB,GAAG,gWAAlC;AAEA,IAAMC,gBAAgB,GAAG,uBAAzB;;IAEqBC,sB;;;;;aACZC,S,GAAP,mBAAkBC,MAAlB,EAA6CC,YAA7C,EAA2F;AACzF,SAAK,IAAIp4B,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGm4B,MAAM,CAAC92B,MAA3B,EAAmCrB,CAAC,EAApC,EAAwC;AACtC,UAAMq4B,KAAK,GAAGF,MAAM,CAACn4B,CAAD,CAApB;;AACA,UAAIq4B,KAAK,CAACjvB,EAAN,KAAagvB,YAAjB,EAA+B;AAC7B,eAAOC,KAAP;AACD;AACF;AACF,G;;aAEMC,mB,GAAP,6BAA4BpxB,KAA5B,EAAmC;AACjC,QAAIqxB,OAAO,GAAGrxB,KAAK,CAACotB,KAAN,CAAY,GAAZ,CAAd;AACA,QAAInvB,MAAJ;;AACA,QAAIozB,OAAO,CAACl3B,MAAR,GAAiB,CAArB,EAAwB;AACtB8D,YAAM,GAAGozB,OAAO,CAAC5e,KAAR,KAAkB,GAA3B;AACAxU,YAAM,IAAIsG,QAAQ,CAAC8sB,OAAO,CAAC5e,KAAR,EAAD,CAAR,CAA0B5B,QAA1B,CAAmC,EAAnC,CAAV;AACA5S,YAAM,IAAI,CAAC,QAAQsG,QAAQ,CAAC8sB,OAAO,CAAC5e,KAAR,EAAD,CAAR,CAA0B5B,QAA1B,CAAmC,EAAnC,CAAT,EAAiDygB,MAAjD,CAAwD,CAAC,CAAzD,CAAV;AACD,KAJD,MAIO;AACLrzB,YAAM,GAAG+B,KAAT;AACD;;AACD,WAAO/B,MAAP;AACD,G;;aAEMszB,O,GAAP,iBAAgBhO,GAAhB,EAAqBwK,OAArB,EAA8B;AAC5B,WAAOyD,+BAAA,CAA4BzD,OAA5B,EAAqCxK,GAArC,EAA0C;AAAEqI,qBAAe,EAAE;AAAnB,KAA1C,CAAP;AACD,G;;aAEM6F,mB,GAAP,6BAA4BC,MAA5B,EAA4C9E,OAA5C,EAA6D;AAC3D;AACA,QAAI+E,MAAkB,GAAG,EAAzB;AACAnB,yBAAqB,CAACT,SAAtB,GAAkC,CAAlC,CAH2D,CAK3D;;AACA,aAAS6B,SAAT,CAAoBC,MAApB,EAA2C/E,KAA3C,EAAuD;AACrD,OAAC,OAAD,EAAU,OAAV,EAAmBld,OAAnB,CAA2B,UAACrR,IAAD,EAAqB;AAC9C,YAAMuzB,QAAQ,GAAGD,MAAM,CAACpT,MAAP,CAAc,UAACze,KAAD;AAAA,iBAAWmwB,WAAW,CAACnwB,KAAD,EAAQzB,IAAR,CAAtB;AAAA,SAAd,CAAjB;;AACA,YAAIuzB,QAAQ,CAAC33B,MAAb,EAAqB;AACnB,cAAM43B,SAAS,GAAGD,QAAQ,CAACrT,MAAT,CAAgB,UAACze,KAAD,EAAW;AAC3C,mBAAOA,KAAK,CAACiwB,WAAN,CAAkB,MAAlB,EAA0B,CAA1B,MAAiC,CAAjC,IAAsCjwB,KAAK,CAACiwB,WAAN,CAAkB,MAAlB,EAA0B,CAA1B,MAAiC,CAA9E;AACD,WAFiB,CAAlB;AAGAnD,eAAK,CAAIvuB,IAAJ,WAAL,GAAwBwzB,SAAS,CAAC53B,MAAV,GAAmB,CAAnB,GAAuB43B,SAAS,CAAC,CAAD,CAAhC,GAAsCD,QAAQ,CAAC,CAAD,CAAtE,CAJmB,CAMnB;;AACAD,gBAAM,GAAGA,MAAM,CAACpT,MAAP,CAAc,UAACze,KAAD;AAAA,mBAAW8xB,QAAQ,CAACjyB,OAAT,CAAiBG,KAAjB,MAA4B,CAAC,CAAxC;AAAA,WAAd,CAAT;AACD;AACF,OAXD;AAaA8sB,WAAK,CAACkF,aAAN,GAAsBH,MAAtB;AACD;;AAED,QAAI5zB,MAAJ;;AACA,WAAO,CAACA,MAAM,GAAGuyB,qBAAqB,CAACX,IAAtB,CAA2B6B,MAA3B,CAAV,KAAiD,IAAxD,EAA8D;AAC5D;AACA,UAAM5E,KAAU,GAAG,EAAnB;AAEA,UAAM+B,KAAK,GAAG/B,KAAK,CAAC+B,KAAN,GAAc,IAAID,SAAJ,CAAa3wB,MAAM,CAAC,CAAD,CAAnB,CAA5B;AACA6uB,WAAK,CAACvJ,GAAN,GAAYwN,UAAU,CAACQ,OAAX,CAAmBtzB,MAAM,CAAC,CAAD,CAAzB,EAA8B2uB,OAA9B,CAAZ;AAEA,UAAMqF,UAAU,GAAGpD,KAAK,CAACc,iBAAN,CAAwB,YAAxB,CAAnB;;AACA,UAAIsC,UAAJ,EAAgB;AACdnF,aAAK,CAACllB,KAAN,GAAcqqB,UAAU,CAACrqB,KAAzB;AACAklB,aAAK,CAAChlB,MAAN,GAAemqB,UAAU,CAACnqB,MAA1B;AACD;;AACDglB,WAAK,CAACoF,OAAN,GAAgBrD,KAAK,CAACG,cAAN,CAAqB,mBAArB,KAA6CH,KAAK,CAACG,cAAN,CAAqB,WAArB,CAA7D;AACAlC,WAAK,CAACx1B,IAAN,GAAau3B,KAAK,CAACsD,IAAnB;AAEAP,eAAS,CAAC,GAAGta,MAAH,CAAU,CAACuX,KAAK,CAACuD,MAAN,IAAgB,EAAjB,EAAqBhF,KAArB,CAA2B,OAA3B,CAAV,CAAD,EAAiDN,KAAjD,CAAT;;AAEA,UAAIA,KAAK,CAAChrB,UAAN,IAAoBgrB,KAAK,CAAChrB,UAAN,CAAiBjC,OAAjB,CAAyB,MAAzB,MAAqC,CAAC,CAA9D,EAAiE;AAC/DitB,aAAK,CAAChrB,UAAN,GAAmBivB,UAAU,CAACK,mBAAX,CAA+BtE,KAAK,CAAChrB,UAArC,CAAnB;AACD;;AAED6vB,YAAM,CAACnwB,IAAP,CAAYsrB,KAAZ;AACD;;AACD,WAAO6E,MAAP;AACD,G;;aAEMU,wB,GAAP,kCAAiCX,MAAjC,EAAiD9E,OAAjD,EAAkEruB,IAAlE,EAA2F+zB,WAA3F,EAAsJ;AAAA,QAA3DA,WAA2D;AAA3DA,iBAA2D,GAA1B,EAA0B;AAAA;;AACpJ,QAAIr0B,MAAJ;AACA,QAAIs0B,MAA4B,GAAG,EAAnC;AACA,QAAIrwB,EAAE,GAAG,CAAT;AACAuuB,+BAA2B,CAACV,SAA5B,GAAwC,CAAxC;;AACA,WAAO,CAAC9xB,MAAM,GAAGwyB,2BAA2B,CAACZ,IAA5B,CAAiC6B,MAAjC,CAAV,MAAwD,IAA/D,EAAqE;AACnE,UAAM7C,KAAK,GAAG,IAAID,SAAJ,CAAa3wB,MAAM,CAAC,CAAD,CAAnB,CAAd;;AACA,UAAI4wB,KAAK,CAAC2D,IAAN,KAAej0B,IAAnB,EAAyB;AACvB,YAAMk0B,KAAoB,GAAG;AAC3BvwB,YAAE,EAAEA,EAAE,EADqB;AAE3BwwB,iBAAO,EAAE7D,KAAK,CAAC,UAAD,CAFa;AAG3Bv3B,cAAI,EAAEu3B,KAAK,CAACsD,IAAN,IAActD,KAAK,CAAC8D,QAHC;AAI3Bp0B,cAAI,EAAJA,IAJ2B;AAK3Bq0B,iBAAO,EAAG/D,KAAK,CAACgE,OAAN,KAAkB,KALD;AAM3BC,oBAAU,EAAGjE,KAAK,CAACkE,UAAN,KAAqB,KANP;AAO3BC,gBAAM,EAAGnE,KAAK,CAACoE,MAAN,KAAiB,KAPC;AAQ3BC,cAAI,EAAErE,KAAK,CAAC8D;AARe,SAA7B;;AAWA,YAAI9D,KAAK,CAACsE,GAAV,EAAe;AACbV,eAAK,CAAClP,GAAN,GAAYwN,UAAU,CAACQ,OAAX,CAAmB1C,KAAK,CAACsE,GAAzB,EAA8BvG,OAA9B,CAAZ;AACD;;AAED,YAAI0F,WAAW,CAACn4B,MAAhB,EAAwB;AACtB;AACA,cAAMi5B,UAAU,GAAGrC,UAAU,CAACC,SAAX,CAAqBsB,WAArB,EAAkCG,KAAK,CAACC,OAAxC,CAAnB,CAFsB,CAItB;AACA;;AACAD,eAAK,CAACzzB,UAAN,GAAmBo0B,UAAU,GAAGA,UAAU,CAACpzB,KAAd,GAAsBsyB,WAAW,CAAC,CAAD,CAAX,CAAetyB,KAAlE;AACD;;AAEDuyB,cAAM,CAAC/wB,IAAP,CAAYixB,KAAZ;AACD;AACF;;AACD,WAAOF,MAAP;AACD,G;;aAEMc,kB,GAAP,4BAA2B3B,MAA3B,EAA2C9E,OAA3C,EAA4D1qB,EAA5D,EAAwE3D,IAAxE,EAAiG+0B,UAAjG,EAAqH;AACnH,QAAIC,SAAS,GAAG,CAAhB;AACA,QAAI9E,aAAa,GAAG,CAApB;AACA,QAAI3B,KAAK,GAAG,IAAIgB,WAAJ,CAAUlB,OAAV,CAAZ;AACA,QAAI4G,oBAAoB,GAAG,CAA3B;AACA,QAAIC,QAAyB,GAAG,IAAhC;AACA,QAAItlB,IAAqB,GAAG,IAAI2d,iBAAJ,EAA5B;AACA,QAAI7tB,MAAJ;AACA,QAAInF,CAAJ;AACA,QAAIi0B,QAAJ;AAEA,QAAI2G,aAAa,GAAG,IAApB;AAEAhD,6BAAyB,CAACX,SAA1B,GAAsC,CAAtC;;AAEA,WAAO,CAAC9xB,MAAM,GAAGyyB,yBAAyB,CAACb,IAA1B,CAA+B6B,MAA/B,CAAV,MAAsD,IAA7D,EAAmE;AACjE,UAAM3vB,QAAQ,GAAG9D,MAAM,CAAC,CAAD,CAAvB;;AACA,UAAI8D,QAAJ,EAAc;AAAE;AACdoM,YAAI,CAACpM,QAAL,GAAgB0tB,UAAU,CAAC1tB,QAAD,CAA1B,CADY,CAEZ;;AACA,YAAMyqB,KAAK,GAAG,CAAC,MAAMvuB,MAAM,CAAC,CAAD,CAAb,EAAkBhG,KAAlB,CAAwB,CAAxB,CAAd;AACAkW,YAAI,CAACqe,KAAL,GAAaA,KAAK,IAAI,IAAtB;AACAre,YAAI,CAACse,OAAL,CAAajrB,IAAb,CAAkBgrB,KAAK,GAAG,CAAE,KAAF,EAASzqB,QAAT,EAAmByqB,KAAnB,CAAH,GAAgC,CAAE,KAAF,EAASzqB,QAAT,CAAvD;AACD,OAND,MAMO,IAAI9D,MAAM,CAAC,CAAD,CAAV,EAAe;AAAE;AACtB,YAAI,0CAAgBkQ,IAAI,CAACpM,QAArB,CAAJ,EAAoC;AAClC,cAAMkV,EAAE,GAAGsc,SAAS,EAApB;AACAplB,cAAI,CAAC5P,IAAL,GAAYA,IAAZ;AACA4P,cAAI,CAAC7C,KAAL,GAAamjB,aAAb;;AACA,cAAI1B,QAAJ,EAAc;AACZ5e,gBAAI,CAAC4e,QAAL,GAAgBA,QAAhB;AACD;;AACD5e,cAAI,CAAC8I,EAAL,GAAUA,EAAV;AACA9I,cAAI,CAAC2e,KAAL,GAAa5qB,EAAb;AACAiM,cAAI,CAACue,EAAL,GAAU8G,oBAAV;AACArlB,cAAI,CAAC0e,KAAL,GAAayG,UAAb;AACAnlB,cAAI,CAACye,OAAL,GAAeA,OAAf,CAXkC,CAYlC;;AACAze,cAAI,CAACwe,MAAL,GAAc,CAAC,MAAM1uB,MAAM,CAAC,CAAD,CAAb,EAAkBhG,KAAlB,CAAwB,CAAxB,CAAd;AACA07B,+BAAqB,CAACxlB,IAAD,EAAOslB,QAAP,CAArB;AAEA3G,eAAK,CAACoB,SAAN,CAAgB1sB,IAAhB,CAAqB2M,IAArB;AACAslB,kBAAQ,GAAGtlB,IAAX;AACAsgB,uBAAa,IAAItgB,IAAI,CAACpM,QAAtB;AAEAoM,cAAI,GAAG,IAAI2d,iBAAJ,EAAP;AACD;AACF,OAvBM,MAuBA,IAAI7tB,MAAM,CAAC,CAAD,CAAV,EAAe;AAAE;AACtB,YAAM7G,IAAI,GAAG,CAAC,MAAM6G,MAAM,CAAC,CAAD,CAAb,EAAkBhG,KAAlB,CAAwB,CAAxB,CAAb;;AACA,YAAIw7B,QAAJ,EAAc;AACZtlB,cAAI,CAAC8e,YAAL,CAAkB71B,IAAlB,EAAwBq8B,QAAxB;AACD,SAFD,MAEO;AACLtlB,cAAI,CAAC8e,YAAL,CAAkB71B,IAAlB;AACD;AACF,OAPM,MAOA,IAAI6G,MAAM,CAAC,CAAD,CAAV,EAAe;AAAE;AACtB;AACAkQ,YAAI,CAACme,kBAAL,GAA0B,CAAC,MAAMruB,MAAM,CAAC,CAAD,CAAb,EAAkBhG,KAAlB,CAAwB,CAAxB,CAA1B;AACAkW,YAAI,CAACse,OAAL,CAAajrB,IAAb,CAAkB,CAAC,mBAAD,EAAsB2M,IAAI,CAACme,kBAA3B,CAAlB;;AACA,YAAIoH,aAAa,KAAK,IAAtB,EAA4B;AAC1BA,uBAAa,GAAG5G,KAAK,CAACoB,SAAN,CAAgB/zB,MAAhC;AACD;AACF,OAPM,MAOA;AACL8D,cAAM,GAAGA,MAAM,CAAC,CAAD,CAAN,CAAUqb,KAAV,CAAgBuX,yBAAhB,CAAT;;AACA,YAAI,CAAC5yB,MAAL,EAAa;AACXT,0BAAM,CAACgN,IAAP,CAAY,oDAAZ;AACA;AACD;;AACD,aAAK1R,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGmF,MAAM,CAAC9D,MAAvB,EAA+BrB,CAAC,EAAhC,EAAoC;AAClC,cAAI,OAAOmF,MAAM,CAACnF,CAAD,CAAb,KAAqB,WAAzB,EAAsC;AACpC;AACD;AACF,SAVI,CAYL;;;AACA,YAAM86B,MAAM,GAAG,CAAC,MAAM31B,MAAM,CAACnF,CAAC,GAAG,CAAL,CAAb,EAAsBb,KAAtB,CAA4B,CAA5B,CAAf;AACA,YAAM47B,MAAM,GAAG,CAAC,MAAM51B,MAAM,CAACnF,CAAC,GAAG,CAAL,CAAb,EAAsBb,KAAtB,CAA4B,CAA5B,CAAf;;AAEA,gBAAQgG,MAAM,CAACnF,CAAD,CAAd;AACA,eAAK,GAAL;AACEqV,gBAAI,CAACse,OAAL,CAAajrB,IAAb,CAAkBqyB,MAAM,GAAG,CAAED,MAAF,EAAUC,MAAV,CAAH,GAAwB,CAAED,MAAF,CAAhD;AACA;;AACF,eAAK,eAAL;AACE9G,iBAAK,CAACvuB,IAAN,GAAaq1B,MAAM,CAACE,WAAP,EAAb;AACA;;AACF,eAAK,gBAAL;AACEP,qBAAS,GAAGzG,KAAK,CAACwB,OAAN,GAAgB/pB,QAAQ,CAACqvB,MAAD,CAApC;AACA;;AACF,eAAK,gBAAL;AACE9G,iBAAK,CAAC0B,cAAN,GAAuBiB,UAAU,CAACmE,MAAD,CAAjC;AACA;;AACF,eAAK,SAAL;AACE9G,iBAAK,CAACxH,OAAN,GAAgB/gB,QAAQ,CAACqvB,MAAD,CAAxB;AACA;;AACF,eAAK,QAAL;AACE;;AACF,eAAK,SAAL;AACE9G,iBAAK,CAACqB,IAAN,GAAa,KAAb;AACA;;AACF,eAAK,KAAL;AACEqF,gCAAoB;AACpBrlB,gBAAI,CAACse,OAAL,CAAajrB,IAAb,CAAkB,CAAC,KAAD,CAAlB;AACA;;AACF,eAAK,mBAAL;AACEgyB,gCAAoB,GAAGjvB,QAAQ,CAACqvB,MAAD,CAA/B;AACA;;AACF,eAAK,KAAL;AAAY;AACV;AACA,kBAAMG,aAAa,GAAGH,MAAtB;AACA,kBAAMI,QAAQ,GAAG,IAAIpF,SAAJ,CAAamF,aAAb,CAAjB;AACA,kBAAME,aAAa,GAAGD,QAAQ,CAACtE,gBAAT,CAA0B,QAA1B,CAAtB;AACA,kBAAMwE,UAAU,GAAGF,QAAQ,CAACb,GAA5B;AACA,kBAAMgB,SAAS,GAAGH,QAAQ,CAAC3E,kBAAT,CAA4B,IAA5B,CAAlB;;AAEA,kBAAI4E,aAAJ,EAAmB;AACjBlH,wBAAQ,GAAG,IAAI1B,kBAAJ,CAAauB,OAAb,EAAsBsH,UAAtB,CAAX;;AACA,oBAAKA,UAAD,IAAiB,CAAC,SAAD,EAAY,YAAZ,EAA0B,iBAA1B,EAA6Cr0B,OAA7C,CAAqDo0B,aAArD,KAAuE,CAA5F,EAAgG;AAC9FlH,0BAAQ,CAAC1iB,MAAT,GAAkB4pB,aAAlB;AACAlH,0BAAQ,CAAC11B,GAAT,GAAe,IAAf,CAF8F,CAG9F;;AACA01B,0BAAQ,CAAC91B,EAAT,GAAck9B,SAAd;AACD;AACF;;AACD;AACD;;AACD,eAAK,OAAL;AAAc;AACZ,kBAAMC,UAAU,GAAG,IAAIxF,SAAJ,CAAagF,MAAb,CAAnB;AACA,kBAAMrF,eAAe,GAAG6F,UAAU,CAAC5E,oBAAX,CAAgC,aAAhC,CAAxB,CAFY,CAGZ;;AACA,kBAAI,0CAAgBjB,eAAhB,CAAJ,EAAsC;AACpCzB,qBAAK,CAACyB,eAAN,GAAwBA,eAAxB;AACD;;AACD;AACD;;AACD,eAAK,KAAL;AAAY;AACV,kBAAM8F,QAAQ,GAAG,IAAIzF,SAAJ,CAAagF,MAAb,CAAjB;AACAzlB,kBAAI,CAACwe,MAAL,GAAc0H,QAAQ,CAAClB,GAAvB;;AACA,kBAAIkB,QAAQ,CAACC,SAAb,EAAwB;AACtBnmB,oBAAI,CAAC8e,YAAL,CAAkBoH,QAAQ,CAACC,SAA3B;AACD;;AACDnmB,kBAAI,CAACye,OAAL,GAAeA,OAAf;AACAze,kBAAI,CAAC2e,KAAL,GAAa5qB,EAAb;AACAiM,kBAAI,CAAC5P,IAAL,GAAYA,IAAZ;AACA4P,kBAAI,CAAC8I,EAAL,GAAU,aAAV;AACA6V,mBAAK,CAACjrB,WAAN,GAAoBsM,IAApB;AACAA,kBAAI,GAAG,IAAI2d,iBAAJ,EAAP;AACA3d,kBAAI,CAACme,kBAAL,GAA0BQ,KAAK,CAACjrB,WAAN,CAAkByqB,kBAA5C;AACA;AACD;;AACD;AACE9uB,4BAAM,CAACgN,IAAP,mCAA4CvM,MAA5C;AACA;AAzEF;AA2ED;AACF;;AACDkQ,QAAI,GAAGslB,QAAP,CAzJmH,CA0JnH;;AACA,QAAItlB,IAAI,IAAI,CAACA,IAAI,CAACwe,MAAlB,EAA0B;AACxBG,WAAK,CAACoB,SAAN,CAAgBqG,GAAhB;AACA9F,mBAAa,IAAItgB,IAAI,CAACpM,QAAtB;AACD;;AACD+qB,SAAK,CAAC2B,aAAN,GAAsBA,aAAtB;AACA3B,SAAK,CAAC0H,qBAAN,GAA8B/F,aAAa,GAAG3B,KAAK,CAACoB,SAAN,CAAgB/zB,MAA9D;AACA2yB,SAAK,CAACmB,KAAN,GAAcsF,SAAS,GAAG,CAA1B;AACAzG,SAAK,CAACuB,OAAN,GAAgBvB,KAAK,CAACoB,SAAN,CAAgB,CAAhB,IAAqBpB,KAAK,CAACoB,SAAN,CAAgB,CAAhB,EAAmBxB,EAAxC,GAA6C,CAA7D;AACAI,SAAK,CAACkB,KAAN,GAAcwF,oBAAd;;AAEA,QAAI,CAAC1G,KAAK,CAACjrB,WAAP,IAAsBirB,KAAK,CAACoB,SAAN,CAAgB/zB,MAA1C,EAAkD;AAChD;AACA;AACA;AACA,UAAI2yB,KAAK,CAACoB,SAAN,CAAgBuG,KAAhB,CAAsB,UAACtmB,IAAD;AAAA,eAAU2iB,gBAAgB,CAACnxB,IAAjB,CAAsBwO,IAAI,CAACwe,MAA3B,CAAV;AAAA,OAAtB,CAAJ,EAAyE;AACvEnvB,wBAAM,CAACgN,IAAP,CAAY,kGAAZ;AAEA2D,YAAI,GAAG,IAAI2d,iBAAJ,EAAP;AACA3d,YAAI,CAACwe,MAAL,GAAcG,KAAK,CAACoB,SAAN,CAAgB,CAAhB,EAAmBvB,MAAjC;AACAxe,YAAI,CAACye,OAAL,GAAeA,OAAf;AACAze,YAAI,CAAC2e,KAAL,GAAa5qB,EAAb;AACAiM,YAAI,CAAC5P,IAAL,GAAYA,IAAZ;AACA4P,YAAI,CAAC8I,EAAL,GAAU,aAAV;AAEA6V,aAAK,CAACjrB,WAAN,GAAoBsM,IAApB;AACA2e,aAAK,CAACsB,cAAN,GAAuB,IAAvB;AACD;AACF;AAED;;;;;;;;;;;AASA,QAAIsF,aAAJ,EAAmB;AACjBgB,8BAAwB,CAAC5H,KAAK,CAACoB,SAAP,EAAkBwF,aAAlB,CAAxB;AACD;;AAED,WAAO5G,KAAP;AACD,G;;;;;;;AAGH,SAAS4H,wBAAT,CAAmCxG,SAAnC,EAA8CyG,UAA9C,EAA0D;AACxD,MAAIC,QAAQ,GAAG1G,SAAS,CAACyG,UAAD,CAAxB;;AACA,OAAK,IAAI77B,CAAC,GAAG67B,UAAU,GAAG,CAA1B,EAA6B77B,CAAC,IAAI,CAAlC,EAAqCA,CAAC,EAAtC,EAA0C;AACxC,QAAMqV,IAAI,GAAG+f,SAAS,CAACp1B,CAAD,CAAtB;AACAqV,QAAI,CAACoe,eAAL,GAAuBqI,QAAQ,CAACrI,eAAT,GAA4Bpe,IAAI,CAACpM,QAAL,GAAgB,IAAnE;AACA6yB,YAAQ,GAAGzmB,IAAX;AACD;AACF;;AAED,SAASwlB,qBAAT,CAAgCxlB,IAAhC,EAAsCslB,QAAtC,EAAgD;AAC9C,MAAItlB,IAAI,CAACme,kBAAT,EAA6B;AAC3Bne,QAAI,CAACoe,eAAL,GAAuBxM,IAAI,CAAC8B,KAAL,CAAW1T,IAAI,CAACme,kBAAhB,CAAvB;AACD,GAFD,MAEO,IAAImH,QAAQ,IAAIA,QAAQ,CAAClH,eAAzB,EAA0C;AAC/Cpe,QAAI,CAACoe,eAAL,GAAuBkH,QAAQ,CAACoB,kBAAhC;AACD;;AAED,MAAI,CAAC,0CAAgB1mB,IAAI,CAACoe,eAArB,CAAL,EAA4C;AAC1Cpe,QAAI,CAACoe,eAAL,GAAuB,IAAvB;AACApe,QAAI,CAACme,kBAAL,GAA0B,IAA1B;AACD;AACF,C;;;;;;;ACjXD;;;;;;;;;;AAWA;AACA;AACA;AACA;AACA;AACA;AACA;cAGwBwI,M;IAAhBhV,W,WAAAA,W;AAER;;;;IAGMiV,8B;;;;;AAGJ;;;;AAIA,0BAAa5K,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACE9rB,iBAAK,CAAC2pB,gBADR,EAEE3pB,iBAAK,CAACgqB,aAFR,EAGEhqB,iBAAK,CAACwqB,mBAHR,EAIExqB,iBAAK,CAAC4qB,sBAJR;AADgB,UANV+L,OAMU,GANqE,EAMrE;AAAA;AAMjB;AAED;;;;;;iBAIOC,oB,GAAP,8BAA6B12B,IAA7B,EAAiE;AAC/D,WAAQA,IAAI,KAAK4sB,mBAAmB,CAAC+J,WAA7B,IACN32B,IAAI,KAAK4sB,mBAAmB,CAACgK,cAD/B;AAED;AAED;;;;;;;iBAKOC,qB,GAAP,+BAA8BC,OAA9B,EAAiF;AAAA,QACvE92B,IADuE,GAC9D82B,OAD8D,CACvE92B,IADuE;;AAG/E,YAAQA,IAAR;AACA,WAAK4sB,mBAAmB,CAAC+J,WAAzB;AACE,eAAO9J,iBAAiB,CAACe,KAAzB;;AACF,WAAKhB,mBAAmB,CAACgK,cAAzB;AACE,eAAO/J,iBAAiB,CAACkK,QAAzB;;AACF;AACE,eAAOlK,iBAAiB,CAACmK,IAAzB;AANF;AAQD,G;;iBAEMC,c,GAAP,wBAAuBC,QAAvB,EAAiDJ,OAAjD,EAAyF;AACvF,QAAI9R,GAAG,GAAGkS,QAAQ,CAAClS,GAAnB,CADuF,CAEvF;AACA;;AACA,QAAIA,GAAG,KAAK9mB,SAAR,IAAqB8mB,GAAG,CAAC1jB,OAAJ,CAAY,OAAZ,MAAyB,CAAlD,EAAqD;AACnD;AACA0jB,SAAG,GAAG8R,OAAO,CAAC9R,GAAd;AACD;;AACD,WAAOA,GAAP;AACD;AAED;;;;;;;;;;SAMAmS,oB,GAAA,8BAAsBL,OAAtB,EAAqF;AACnF,QAAMv4B,MAAM,GAAG,KAAKqtB,GAAL,CAASrtB,MAAxB;AACA,QAAM64B,OAAO,GAAG74B,MAAM,CAAC84B,OAAvB;AACA,QAAMC,MAAM,GAAG/4B,MAAM,CAACkwB,MAAtB,CAHmF,CAInF;;AACA,QAAM8I,cAAc,GAAGH,OAAO,IAAIE,MAAlC;AAEA,QAAM7I,MAAM,GAAG,IAAI8I,cAAJ,CAAmBh5B,MAAnB,CAAf,CAPmF,CASnF;;AACAu4B,WAAO,CAACrI,MAAR,GAAiBA,MAAjB;AACA,SAAKgI,OAAL,CAAaK,OAAO,CAAC92B,IAArB,IAA6ByuB,MAA7B;AAEA,WAAOA,MAAP;AACD,G;;SAED+I,iB,GAAA,2BAAmBV,OAAnB,EAA8F;AAC5F,WAAO,KAAKL,OAAL,CAAaK,OAAO,CAAC92B,IAArB,CAAP;AACD,G;;SAEDy3B,mB,GAAA,6BAAqBC,WAArB,EAAuD;AACrD,QAAI,KAAKjB,OAAL,CAAaiB,WAAb,CAAJ,EAA+B;AAC7B,aAAO,KAAKjB,OAAL,CAAaiB,WAAb,CAAP;AACD;AACF;AAED;;;;;SAGAC,sB,GAAA,kCAA0B;AACxB,SAAK,IAAID,WAAT,IAAwB,KAAKjB,OAA7B,EAAsC;AACpC,UAAIhI,MAAM,GAAG,KAAKgI,OAAL,CAAaiB,WAAb,CAAb;;AACA,UAAIjJ,MAAJ,EAAY;AACVA,cAAM,CAACxwB,OAAP;AACD;;AAED,WAAKw5B,mBAAL,CAAyBC,WAAzB;AACD;AACF,G;;SAEDz5B,O,GAAA,mBAAW;AACT,SAAK05B,sBAAL;;AAEA,4BAAM15B,OAAN;AACD,G;;SAED25B,iB,GAAA,2BAAmB/+B,IAAnB,EAA2C;AACzC,SAAKg/B,IAAL,CAAU;AACR7S,SAAG,EAAEnsB,IAAI,CAACmsB,GADF;AAERhlB,UAAI,EAAE4sB,mBAAmB,CAACkL,QAFlB;AAGRvJ,WAAK,EAAE,CAHC;AAIR5qB,QAAE,EAAE,IAJI;AAKRo0B,kBAAY,EAAE;AALN,KAAV;AAOD,G;;SAEDC,c,GAAA,wBAAgBn/B,IAAhB,EAAiF;AAC/E,SAAKg/B,IAAL,CAAU;AACR7S,SAAG,EAAEnsB,IAAI,CAACmsB,GADF;AAERhlB,UAAI,EAAE4sB,mBAAmB,CAACqL,KAFlB;AAGR1J,WAAK,EAAE11B,IAAI,CAAC01B,KAHJ;AAIR5qB,QAAE,EAAE9K,IAAI,CAAC8K,EAJD;AAKRo0B,kBAAY,EAAE;AALN,KAAV;AAOD,G;;SAEDG,mB,GAAA,6BAAqBr/B,IAArB,EAAgE;AAC9D,SAAKg/B,IAAL,CAAU;AACR7S,SAAG,EAAEnsB,IAAI,CAACmsB,GADF;AAERhlB,UAAI,EAAE4sB,mBAAmB,CAAC+J,WAFlB;AAGRpI,WAAK,EAAE,IAHC;AAIR5qB,QAAE,EAAE9K,IAAI,CAAC8K,EAJD;AAKRo0B,kBAAY,EAAE;AALN,KAAV;AAOD,G;;SAEDI,sB,GAAA,gCAAwBt/B,IAAxB,EAAmE;AACjE,SAAKg/B,IAAL,CAAU;AACR7S,SAAG,EAAEnsB,IAAI,CAACmsB,GADF;AAERhlB,UAAI,EAAE4sB,mBAAmB,CAACgK,cAFlB;AAGRrI,WAAK,EAAE,IAHC;AAIR5qB,QAAE,EAAE9K,IAAI,CAAC8K,EAJD;AAKRo0B,kBAAY,EAAE;AALN,KAAV;AAOD,G;;SAEDF,I,GAAA,cAAMf,OAAN,EAA+C;AAC7C,QAAMv4B,MAAM,GAAG,KAAKqtB,GAAL,CAASrtB,MAAxB;AAEAU,oBAAM,CAAC6R,KAAP,+BAAyCgmB,OAAO,CAAC92B,IAAjD,iBAAiE82B,OAAO,CAACvI,KAAzE,cAAuFuI,OAAO,CAACnzB,EAA/F,EAH6C,CAK7C;;AACA,QAAI8qB,MAAM,GAAG,KAAK+I,iBAAL,CAAuBV,OAAvB,CAAb;;AACA,QAAIrI,MAAJ,EAAY;AACV,UAAM2J,aAAa,GAAG3J,MAAM,CAACqI,OAA7B;;AACA,UAAIsB,aAAa,IAAIA,aAAa,CAACpT,GAAd,KAAsB8R,OAAO,CAAC9R,GAAnD,EAAwD;AAAE;AACxD/lB,wBAAM,CAAC6hB,KAAP,CAAa,0BAAb;AACA,eAAO,KAAP;AACD,OAHD,MAGO;AACL7hB,wBAAM,CAACgN,IAAP,yCAAkD6qB,OAAO,CAAC92B,IAA1D;AACAyuB,cAAM,CAAC4J,KAAP;AACD;AACF;;AAED,QAAIC,QAAJ;AACA,QAAIC,OAAJ;AACA,QAAIC,UAAJ;AACA,QAAIC,aAAJ,CArB6C,CAuB7C;AACA;;AACA,YAAQ3B,OAAO,CAAC92B,IAAhB;AACA,WAAK4sB,mBAAmB,CAACkL,QAAzB;AACEQ,gBAAQ,GAAG/5B,MAAM,CAACm6B,uBAAlB;AACAH,eAAO,GAAGh6B,MAAM,CAACo6B,sBAAjB;AACAH,kBAAU,GAAGj6B,MAAM,CAACq6B,yBAApB;AACAH,qBAAa,GAAGl6B,MAAM,CAACs6B,8BAAvB;AACA;;AACF,WAAKjM,mBAAmB,CAACqL,KAAzB;AACE;AACAK,gBAAQ,GAAG,CAAX;AACAG,qBAAa,GAAG,CAAhB;AACAD,kBAAU,GAAG,CAAb;AACAD,eAAO,GAAGh6B,MAAM,CAACu6B,mBAAjB,CALF,CAME;;AACA;;AACF;AACER,gBAAQ,GAAG/5B,MAAM,CAACw6B,oBAAlB;AACAR,eAAO,GAAGh6B,MAAM,CAACu6B,mBAAjB;AACAN,kBAAU,GAAGj6B,MAAM,CAACy6B,sBAApB;AACAP,qBAAa,GAAGl6B,MAAM,CAAC06B,2BAAvB;AACA;AApBF;;AAuBAxK,UAAM,GAAG,KAAK0I,oBAAL,CAA0BL,OAA1B,CAAT;AAEA,QAAMoC,YAAiC,GAAG;AACxCX,aAAO,EAAPA,OADwC;AAExCD,cAAQ,EAARA,QAFwC;AAGxCE,gBAAU,EAAVA,UAHwC;AAIxCC,mBAAa,EAAbA;AAJwC,KAA1C;AAOA,QAAMU,eAAuD,GAAG;AAC9DC,eAAS,EAAE,KAAKC,WAAL,CAAiBrwB,IAAjB,CAAsB,IAAtB,CADmD;AAE9DswB,aAAO,EAAE,KAAKC,SAAL,CAAevwB,IAAf,CAAoB,IAApB,CAFqD;AAG9DwwB,eAAS,EAAE,KAAKC,WAAL,CAAiBzwB,IAAjB,CAAsB,IAAtB;AAHmD,KAAhE;AAMA/J,oBAAM,CAAC6R,KAAP,gDAA0DgmB,OAAO,CAAC9R,GAAlE;AACAyJ,UAAM,CAACoJ,IAAP,CAAYf,OAAZ,EAAqBoC,YAArB,EAAmCC,eAAnC;AAEA,WAAO,IAAP;AACD,G;;SAEDE,W,GAAA,qBAAanC,QAAb,EAAuCjV,KAAvC,EAA2D6U,OAA3D,EAA2F4C,cAA3F,EAA2H;AAAA,QAAhCA,cAAgC;AAAhCA,oBAAgC,GAAN,IAAM;AAAA;;AACzH,QAAI5C,OAAO,CAAC6C,aAAZ,EAA2B;AACzB,WAAKC,kBAAL,CAAwB1C,QAAxB,EAAkCJ,OAAlC;;AACA,WAAK+C,qBAAL,CAA2B3C,QAA3B,EAAqCjV,KAArC,EAA4C6U,OAA5C,EAAqD4C,cAArD;;AACA;AACD;;AAED,SAAKjC,mBAAL,CAAyBX,OAAO,CAAC92B,IAAjC;;AACA,QAAI,OAAOk3B,QAAQ,CAACr+B,IAAhB,KAAyB,QAA7B,EAAuC;AACrC,YAAM,IAAIiD,KAAJ,CAAU,oDAAV,CAAN;AACD;;AAED,QAAMq3B,MAAM,GAAG+D,QAAQ,CAACr+B,IAAxB;AAEAopB,SAAK,CAAC6X,KAAN,GAAcvY,WAAW,CAACD,GAAZ,EAAd,CAdyH,CAezH;AAEA;;AACA,QAAI6R,MAAM,CAAC7xB,OAAP,CAAe,SAAf,MAA8B,CAAlC,EAAqC;AACnC,WAAKy4B,2BAAL,CAAiC7C,QAAjC,EAA2CJ,OAA3C,EAAoD,qBAApD,EAA2E4C,cAA3E;;AACA;AACD,KArBwH,CAuBzH;;;AACA,QAAIvG,MAAM,CAAC7xB,OAAP,CAAe,UAAf,IAA6B,CAA7B,IAAkC6xB,MAAM,CAAC7xB,OAAP,CAAe,wBAAf,IAA2C,CAAjF,EAAoF;AAClF,WAAK04B,2BAAL,CAAiC9C,QAAjC,EAA2CjV,KAA3C,EAAkD6U,OAAlD,EAA2D4C,cAA3D;AACD,KAFD,MAEO;AACL,WAAKO,qBAAL,CAA2B/C,QAA3B,EAAqCjV,KAArC,EAA4C6U,OAA5C,EAAqD4C,cAArD;AACD;AACF,G;;SAEDH,S,GAAA,mBAAWrC,QAAX,EAAqCJ,OAArC,EAAqE4C,cAArE,EAA4F;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AAC1F,SAAKQ,mBAAL,CAAyBpD,OAAzB,EAAkC4C,cAAlC,EAAkD,KAAlD,EAAyDxC,QAAzD;AACD,G;;SAEDuC,W,GAAA,qBAAaxX,KAAb,EAAiC6U,OAAjC,EAAiE4C,cAAjE,EAAwF;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AACtF,SAAKQ,mBAAL,CAAyBpD,OAAzB,EAAkC4C,cAAlC,EAAkD,IAAlD;AACD,G,CAED;AACA;;;SACAO,qB,GAAA,+BAAuB/C,QAAvB,EAAiDjV,KAAjD,EAAqE6U,OAArE,EAAqG4C,cAArG,EAA8H;AAC5H,QAAM9N,GAAG,GAAG,KAAKA,GAAjB;AACA,QAAMuH,MAAM,GAAG+D,QAAQ,CAACr+B,IAAxB;AAEA,QAAMmsB,GAAG,GAAGwR,cAAc,CAACS,cAAf,CAA8BC,QAA9B,EAAwCJ,OAAxC,CAAZ;AACA,QAAM1D,MAAM,GAAGZ,sBAAU,CAACU,mBAAX,CAA+BC,MAA/B,EAAuCnO,GAAvC,CAAf;;AACA,QAAI,CAACoO,MAAM,CAACx3B,MAAZ,EAAoB;AAClB,WAAKm+B,2BAAL,CAAiC7C,QAAjC,EAA2CJ,OAA3C,EAAoD,4BAApD,EAAkF4C,cAAlF;;AACA;AACD,KAT2H,CAW5H;;;AACA,QAAM3F,WAA8B,GAAGX,MAAM,CAACjL,GAAP,CAAW,UAAAoG,KAAK;AAAA,aAAK;AAC1D5qB,UAAE,EAAE4qB,KAAK,CAAC+B,KAAN,CAAY1C,KAD0C;AAE1DnsB,aAAK,EAAE8sB,KAAK,CAAC9tB;AAF6C,OAAL;AAAA,KAAhB,CAAvC;AAKA,QAAM05B,WAAW,GAAG3H,sBAAU,CAACsB,wBAAX,CAAoCX,MAApC,EAA4CnO,GAA5C,EAAiD,OAAjD,EAA0D+O,WAA1D,CAApB;AACA,QAAMqG,SAAS,GAAG5H,sBAAU,CAACsB,wBAAX,CAAoCX,MAApC,EAA4CnO,GAA5C,EAAiD,WAAjD,CAAlB;;AAEA,QAAImV,WAAW,CAACv+B,MAAhB,EAAwB;AACtB;AACA,UAAIy+B,kBAAkB,GAAG,KAAzB;AACAF,iBAAW,CAAC9oB,OAAZ,CAAoB,UAAAhE,UAAU,EAAI;AAChC,YAAI,CAACA,UAAU,CAAC2X,GAAhB,EAAqB;AACnBqV,4BAAkB,GAAG,IAArB;AACD;AACF,OAJD,EAHsB,CAStB;AACA;AACA;AACA;;AACA,UAAIA,kBAAkB,KAAK,KAAvB,IAAgCjH,MAAM,CAAC,CAAD,CAAN,CAAU3yB,UAA1C,IAAwD,CAAC2yB,MAAM,CAAC,CAAD,CAAN,CAAU9C,KAAV,CAAgB1C,KAA7E,EAAoF;AAClF3uB,wBAAM,CAACC,GAAP,CAAW,yFAAX;AACAi7B,mBAAW,CAACG,OAAZ,CAAoB;AAClBt6B,cAAI,EAAE,MADY;AAElBjH,cAAI,EAAE,MAFY;AAGlBs7B,iBAAO,EAAE,KAHS;AAIlBE,oBAAU,EAAE,KAJM;AAKlBE,gBAAM,EAAE,KALU;AAMlB9wB,YAAE,EAAE,CAAC;AANa,SAApB;AAQD;AACF;;AAEDioB,OAAG,CAAC/rB,OAAJ,CAAYC,iBAAK,CAAC4pB,eAAlB,EAAmC;AACjC0J,YAAM,EAANA,MADiC;AAEjC+G,iBAAW,EAAXA,WAFiC;AAGjCC,eAAS,EAATA,SAHiC;AAIjCpV,SAAG,EAAHA,GAJiC;AAKjC/C,WAAK,EAALA,KALiC;AAMjCyX,oBAAc,EAAdA;AANiC,KAAnC;AAQD,G;;SAEDM,2B,GAAA,qCAA6B9C,QAA7B,EAAuDjV,KAAvD,EAA2E6U,OAA3E,EAA2G4C,cAA3G,EAAoI;AAClI,QAAM9N,GAAG,GAAG,KAAKA,GAAjB;AADkI,QAG1HjoB,EAH0H,GAGtGmzB,OAHsG,CAG1HnzB,EAH0H;AAAA,QAGtH4qB,KAHsH,GAGtGuI,OAHsG,CAGtHvI,KAHsH;AAAA,QAG/GvuB,IAH+G,GAGtG82B,OAHsG,CAG/G92B,IAH+G;AAKlI,QAAMglB,GAAG,GAAGwR,cAAc,CAACS,cAAf,CAA8BC,QAA9B,EAAwCJ,OAAxC,CAAZ,CALkI,CAOlI;;AACA,QAAM/B,UAAU,GAAG,0CAAgBpxB,EAAhB,IAAgCA,EAAhC,GAA+C,CAAlE;AACA,QAAM42B,OAAO,GAAG,0CAAgBhM,KAAhB,IAAmCA,KAAnC,GAAqDwG,UAArE;AAEA,QAAMyF,SAAS,GAAGhE,cAAc,CAACK,qBAAf,CAAqCC,OAArC,CAAlB;AACA,QAAM2D,YAAY,GAAGjI,sBAAU,CAACsC,kBAAX,CAA8BoC,QAAQ,CAACr+B,IAAvC,EAAuDmsB,GAAvD,EAA4DuV,OAA5D,EAAqEC,SAArE,EAAgFzF,UAAhF,CAArB,CAZkI,CAclI;AACA;;AACC0F,gBAAD,CAAsBX,KAAtB,GAA8B7X,KAAK,CAAC6X,KAApC,CAhBkI,CAkBlI;AACA;AACA;AACA;;AACA,QAAI95B,IAAI,KAAK4sB,mBAAmB,CAACkL,QAAjC,EAA2C;AACzC,UAAM4C,WAAW,GAAG;AAClB1V,WAAG,EAAHA,GADkB;AAElB7kB,eAAO,EAAEs6B;AAFS,OAApB;AAKA7O,SAAG,CAAC/rB,OAAJ,CAAYC,iBAAK,CAAC4pB,eAAlB,EAAmC;AACjC0J,cAAM,EAAE,CAACsH,WAAD,CADyB;AAEjCP,mBAAW,EAAE,EAFoB;AAGjCnV,WAAG,EAAHA,GAHiC;AAIjC/C,aAAK,EAALA,KAJiC;AAKjCyX,sBAAc,EAAdA;AALiC,OAAnC;AAOD,KAnCiI,CAqClI;;;AACAzX,SAAK,CAAC0Y,OAAN,GAAgBpZ,WAAW,CAACD,GAAZ,EAAhB,CAtCkI,CAwClI;AACA;AACA;;AACA,QAAImZ,YAAY,CAAC5K,cAAjB,EAAiC;AAC/B,UAAM+K,OAAO,GAAGH,YAAY,CAACn3B,WAAb,CAAyB0hB,GAAzC;AACA,WAAK6S,IAAL,CAAU;AACR7S,WAAG,EAAE4V,OADG;AAERjB,qBAAa,EAAE,IAFP;AAGR35B,YAAI,EAAJA,IAHQ;AAIRuuB,aAAK,EAALA,KAJQ;AAKRkM,oBAAY,EAAZA,YALQ;AAMR92B,UAAE,EAAFA,EANQ;AAORk3B,kBAAU,EAAE,CAPJ;AAQRC,gBAAQ,EAAE,IARF;AASR/C,oBAAY,EAAE;AATN,OAAV;AAWA;AACD,KAzDiI,CA2DlI;;;AACAjB,WAAO,CAAC2D,YAAR,GAAuBA,YAAvB;;AAEA,SAAKZ,qBAAL,CAA2B3C,QAA3B,EAAqCjV,KAArC,EAA4C6U,OAA5C,EAAqD4C,cAArD;AACD,G;;SAEDE,kB,GAAA,4BAAoB1C,QAApB,EAA8CJ,OAA9C,EAA8E;AAC5E,QAAI,OAAOI,QAAQ,CAACr+B,IAAhB,KAAyB,QAA7B,EAAuC;AACrC,YAAM,IAAIiD,KAAJ,CAAU,6DAAV,CAAN;AACD;;AAED,QAAMi/B,QAAQ,GAAGxY,qBAAU,CAACoE,iBAAX,CAA6B,IAAIpgB,UAAJ,CAAe2wB,QAAQ,CAACr+B,IAAxB,CAA7B,CAAjB,CAL4E,CAM5E;;AACA,QAAI,CAACkiC,QAAL,EAAe;AACb;AACD;;AACD,QAAMC,cAAc,GAAGD,QAAQ,CAACjU,UAAhC;AACA,QAAM2T,YAAY,GAAG3D,OAAO,CAAC2D,YAA7B;AACAO,kBAAc,CAAC3pB,OAAf,CAAuB,UAAC4pB,UAAD,EAAala,KAAb,EAAuB;AAC5C,UAAMma,UAAU,GAAGD,UAAU,CAAChX,IAA9B;;AACA,UAAI,CAACwW,YAAL,EAAmB;AACjB;AACD;;AACD,UAAM7qB,IAAI,GAAG6qB,YAAY,CAAC9K,SAAb,CAAuB5O,KAAvB,CAAb;;AACA,UAAInR,IAAI,CAACkf,SAAL,CAAelzB,MAAf,KAA0B,CAA9B,EAAiC;AAC/BgU,YAAI,CAAC8e,YAAL,CAAkBvK,MAAM,CAAC,IAAI+W,UAAU,CAACva,GAAf,GAAqBua,UAAU,CAACnuB,KAAjC,CAAN,GAAgD,GAAhD,GAAsDoX,MAAM,CAAC+W,UAAU,CAACnuB,KAAZ,CAA9E;AACD;AACF,KATD;;AAWA,QAAI0tB,YAAJ,EAAkB;AAChBA,kBAAY,CAACn3B,WAAb,CAAyBorB,YAAzB,CAAsCvK,MAAM,CAAC4W,QAAQ,CAACnU,aAAV,CAAN,GAAiC,IAAvE;AACD;AACF,G;;SAEDmT,2B,GAAA,qCAA6B7C,QAA7B,EAAuDJ,OAAvD,EAAuFv2B,MAAvF,EAAuGm5B,cAAvG,EAAgI;AAC9H,SAAK9N,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,UAAI,EAAEC,oBAAU,CAACk7B,aADW;AAE5Bh7B,aAAO,EAAEC,sBAAY,CAACg7B,sBAFM;AAG5B96B,WAAK,EAAE,IAHqB;AAI5B0kB,SAAG,EAAEkS,QAAQ,CAAClS,GAJc;AAK5BzkB,YAAM,EAANA,MAL4B;AAM5Bm5B,oBAAc,EAAdA;AAN4B,KAA9B;AAQD,G;;SAEDQ,mB,GAAA,6BAAqBpD,OAArB,EAAqD4C,cAArD,EAA8EnB,OAA9E,EAAwGrB,QAAxG,EAAgJ;AAAA,QAAlEqB,OAAkE;AAAlEA,aAAkE,GAA/C,KAA+C;AAAA;;AAAA,QAAxCrB,QAAwC;AAAxCA,cAAwC,GAAN,IAAM;AAAA;;AAC9Ij4B,oBAAM,CAACglB,IAAP,8CAAuD6S,OAAO,CAAC92B,IAA/D;AAEA,QAAIG,OAAJ;AACA,QAAIG,KAAJ;AAEA,QAAMmuB,MAAM,GAAG,KAAK+I,iBAAL,CAAuBV,OAAvB,CAAf;;AAEA,YAAQA,OAAO,CAAC92B,IAAhB;AACA,WAAK4sB,mBAAmB,CAACkL,QAAzB;AACE33B,eAAO,GAAIo4B,OAAO,GAAGn4B,sBAAY,CAACi7B,qBAAhB,GAAwCj7B,sBAAY,CAACk7B,mBAAvE;AACAh7B,aAAK,GAAG,IAAR;AACA;;AACF,WAAKssB,mBAAmB,CAACqL,KAAzB;AACE93B,eAAO,GAAIo4B,OAAO,GAAGn4B,sBAAY,CAACm7B,kBAAhB,GAAqCn7B,sBAAY,CAACo7B,gBAApE;AACAl7B,aAAK,GAAG,KAAR;AACA;;AACF,WAAKssB,mBAAmB,CAAC+J,WAAzB;AACEx2B,eAAO,GAAIo4B,OAAO,GAAGn4B,sBAAY,CAACq7B,wBAAhB,GAA2Cr7B,sBAAY,CAACs7B,sBAA1E;AACAp7B,aAAK,GAAG,KAAR;AACA;;AACF;AACE;AACAA,aAAK,GAAG,KAAR;AAfF;;AAkBA,QAAImuB,MAAJ,EAAY;AACVA,YAAM,CAAC4J,KAAP;AACA,WAAKZ,mBAAL,CAAyBX,OAAO,CAAC92B,IAAjC;AACD,KA7B6I,CA+B9I;;;AACA,QAAI27B,SAAc,GAAG;AACnB37B,UAAI,EAAEC,oBAAU,CAACk7B,aADE;AAEnBh7B,aAAO,EAAPA,OAFmB;AAGnBG,WAAK,EAALA,KAHmB;AAInB0kB,SAAG,EAAE8R,OAAO,CAAC9R,GAJM;AAKnByJ,YAAM,EAANA,MALmB;AAMnBqI,aAAO,EAAPA,OANmB;AAOnB4C,oBAAc,EAAdA;AAPmB,KAArB;;AAUA,QAAIxC,QAAJ,EAAc;AACZyE,eAAS,CAACzE,QAAV,GAAqBA,QAArB;AACD;;AAED,SAAKtL,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B47B,SAA9B;AACD,G;;SAED9B,qB,GAAA,+BAAuB3C,QAAvB,EAAiDjV,KAAjD,EAAqE6U,OAArE,EAAqG4C,cAArG,EAA8H;AAAA,QACpH15B,IADoH,GAClF82B,OADkF,CACpH92B,IADoH;AAAA,QAC9GuuB,KAD8G,GAClFuI,OADkF,CAC9GvI,KAD8G;AAAA,QACvG5qB,EADuG,GAClFmzB,OADkF,CACvGnzB,EADuG;AAAA,QACnG82B,YADmG,GAClF3D,OADkF,CACnG2D,YADmG;;AAG5H,QAAI,CAACA,YAAD,IAAiB,CAACA,YAAY,CAACxK,cAAnC,EAAmD;AACjD,WAAK8J,2BAAL,CAAiC7C,QAAjC,EAA2CJ,OAA3C,EAAoD,yBAApD,EAA+E4C,cAA/E;;AACA;AACD;;AAED,QAAMkC,aAAa,GAAGpF,cAAc,CAACE,oBAAf,CAAoCI,OAAO,CAAC92B,IAA5C,CAAtB;;AACA,QAAI47B,aAAJ,EAAmB;AACjB,WAAKhQ,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACiqB,YAAvB,EAAqC;AACnC5pB,eAAO,EAAEs6B,YAD0B;AAEnClM,aAAK,EAAEA,KAAK,IAAI,CAFmB;AAGnC5qB,UAAE,EAAEA,EAAE,IAAI,CAHyB;AAInCse,aAAK,EAALA,KAJmC;AAKnCyX,sBAAc,EAAdA;AALmC,OAArC;AAOD,KARD,MAQO;AACL,cAAQ15B,IAAR;AACA,aAAK4sB,mBAAmB,CAAC+J,WAAzB;AACE,eAAK/K,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACyqB,kBAAvB,EAA2C;AACzCpqB,mBAAO,EAAEs6B,YADgC;AAEzC92B,cAAE,EAAFA,EAFyC;AAGzCse,iBAAK,EAALA,KAHyC;AAIzCyX,0BAAc,EAAdA;AAJyC,WAA3C;AAMA;;AACF,aAAK9M,mBAAmB,CAACgK,cAAzB;AACE,eAAKhL,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAAC6qB,qBAAvB,EAA8C;AAC5CxqB,mBAAO,EAAEs6B,YADmC;AAE5C92B,cAAE,EAAFA,EAF4C;AAG5Cse,iBAAK,EAALA,KAH4C;AAI5CyX,0BAAc,EAAdA;AAJ4C,WAA9C;AAMA;AAhBF;AAkBD;AACF,G;;;EArf0B/N,a;;AAwfd6K,kFAAf,E;;;;;;;ACjhBA;;;AAIA;AACA;AACA;AACA;;IAEMqF,8B;;;;;AACJ,0BAAajQ,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EAAW9rB,iBAAK,CAAC+qB,YAAjB;AACA,UAAK4L,OAAL,GAAe,EAAf;AAFgB;AAGjB;;;;SAEDx4B,O,GAAA,mBAAW;AACT,QAAIw4B,OAAO,GAAG,KAAKA,OAAnB;;AACA,SAAK,IAAIqF,UAAT,IAAuBrF,OAAvB,EAAgC;AAC9B,UAAIhI,MAAM,GAAGgI,OAAO,CAACqF,UAAD,CAApB;;AACA,UAAIrN,MAAJ,EAAY;AACVA,cAAM,CAACxwB,OAAP;AACD;AACF;;AACD,SAAKw4B,OAAL,GAAe,EAAf;;AAEA,4BAAMx4B,OAAN;AACD,G;;SAED89B,a,GAAA,uBAAeljC,IAAf,EAAqB;AACnB,QAAM+W,IAAI,GAAG/W,IAAI,CAAC+W,IAAlB;AAAA,QACE5P,IAAI,GAAG4P,IAAI,CAAC5P,IADd;AAAA,QAEEy2B,OAAO,GAAG,KAAKA,OAFjB;AAAA,QAGEl4B,MAAM,GAAG,KAAKqtB,GAAL,CAASrtB,MAHpB;AAAA,QAIEy9B,eAAe,GAAGz9B,MAAM,CAAC09B,OAJ3B;AAAA,QAKEC,cAAc,GAAG39B,MAAM,CAACkwB,MAL1B,CADmB,CAQnB;;AACA7e,QAAI,CAACusB,MAAL,GAAc,CAAd;AAEA,QAAI1N,MAAM,GAAGgI,OAAO,CAACz2B,IAAD,CAApB;;AACA,QAAIyuB,MAAJ,EAAY;AACVxvB,sBAAM,CAACgN,IAAP,+CAAwDjM,IAAxD;AACAyuB,YAAM,CAAC4J,KAAP;AACD;;AAED5J,UAAM,GAAGgI,OAAO,CAACz2B,IAAD,CAAP,GAAgB4P,IAAI,CAAC6e,MAAL,GACvBlwB,MAAM,CAAC09B,OAAP,GAAiB,IAAID,eAAJ,CAAoBz9B,MAApB,CAAjB,GAA+C,IAAI29B,cAAJ,CAAmB39B,MAAnB,CADjD;AAGA,QAAI65B,aAAJ,EAAmBc,YAAnB,EAAiCC,eAAjC;AAEAf,iBAAa,GAAG;AAAEpT,SAAG,EAAEpV,IAAI,CAACoV,GAAZ;AAAiBpV,UAAI,EAAEA,IAAvB;AAA6BmoB,kBAAY,EAAE,aAA3C;AAA0DqE,kBAAY,EAAE;AAAxE,KAAhB;AAEA,QAAIrvB,KAAK,GAAG6C,IAAI,CAACysB,oBAAjB;AAAA,QACE1b,GAAG,GAAG/Q,IAAI,CAACmf,kBADb;;AAGA,QAAI,0CAAgBhiB,KAAhB,KAA0B,0CAAgB4T,GAAhB,CAA9B,EAAoD;AAClDyX,mBAAa,CAACyC,UAAd,GAA2B9tB,KAA3B;AACAqrB,mBAAa,CAAC0C,QAAd,GAAyBna,GAAzB;AACD;;AAEDuY,gBAAY,GAAG;AACbX,aAAO,EAAEh6B,MAAM,CAAC+9B,kBADH;AAEbhE,cAAQ,EAAE,CAFG;AAGbE,gBAAU,EAAE,CAHC;AAIbC,mBAAa,EAAEl6B,MAAM,CAACg+B;AAJT,KAAf;AAOApD,mBAAe,GAAG;AAChBC,eAAS,EAAE,KAAKC,WAAL,CAAiBrwB,IAAjB,CAAsB,IAAtB,CADK;AAEhBswB,aAAO,EAAE,KAAKC,SAAL,CAAevwB,IAAf,CAAoB,IAApB,CAFO;AAGhBwwB,eAAS,EAAE,KAAKC,WAAL,CAAiBzwB,IAAjB,CAAsB,IAAtB,CAHK;AAIhBwzB,gBAAU,EAAE,KAAKC,YAAL,CAAkBzzB,IAAlB,CAAuB,IAAvB;AAJI,KAAlB;AAOAylB,UAAM,CAACoJ,IAAP,CAAYO,aAAZ,EAA2Bc,YAA3B,EAAyCC,eAAzC;AACD,G;;SAEDE,W,GAAA,qBAAanC,QAAb,EAAuBjV,KAAvB,EAA8B6U,OAA9B,EAAuC4C,cAAvC,EAA8D;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AAC5D,QAAIvhB,OAAO,GAAG+e,QAAQ,CAACr+B,IAAvB;AAAA,QAA6B+W,IAAI,GAAGknB,OAAO,CAAClnB,IAA5C,CAD4D,CAE5D;;AACAA,QAAI,CAAC6e,MAAL,GAAcvwB,SAAd;AACA,SAAKu4B,OAAL,CAAa7mB,IAAI,CAAC5P,IAAlB,IAA0B9B,SAA1B;AACA,SAAK0tB,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACkrB,WAAvB,EAAoC;AAAE7S,aAAO,EAAEA,OAAX;AAAoBvI,UAAI,EAAEA,IAA1B;AAAgCqS,WAAK,EAAEA,KAAvC;AAA8CyX,oBAAc,EAAEA;AAA9D,KAApC;AACD,G;;SAEDH,S,GAAA,mBAAWrC,QAAX,EAAqBJ,OAArB,EAA8B4C,cAA9B,EAAqD;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AACnD,QAAM9pB,IAAI,GAAGknB,OAAO,CAAClnB,IAArB;AACA,QAAI6e,MAAM,GAAG7e,IAAI,CAAC6e,MAAlB;;AACA,QAAIA,MAAJ,EAAY;AACVA,YAAM,CAAC4J,KAAP;AACD;;AAED,SAAK5B,OAAL,CAAa7mB,IAAI,CAAC5P,IAAlB,IAA0B9B,SAA1B;AACA,SAAK0tB,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,UAAI,EAAEC,oBAAU,CAACk7B,aAAnB;AAAkCh7B,aAAO,EAAEC,sBAAY,CAACs8B,eAAxD;AAAyEp8B,WAAK,EAAE,KAAhF;AAAuFsP,UAAI,EAAEknB,OAAO,CAAClnB,IAArG;AAA2GsnB,cAAQ,EAAEA,QAArH;AAA+HwC,oBAAc,EAAEA;AAA/I,KAA9B;AACD,G;;SAEDD,W,GAAA,qBAAaxX,KAAb,EAAoB6U,OAApB,EAA6B4C,cAA7B,EAAoD;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AAClD,QAAM9pB,IAAI,GAAGknB,OAAO,CAAClnB,IAArB;AACA,QAAI6e,MAAM,GAAG7e,IAAI,CAAC6e,MAAlB;;AACA,QAAIA,MAAJ,EAAY;AACVA,YAAM,CAAC4J,KAAP;AACD;;AAED,SAAK5B,OAAL,CAAa7mB,IAAI,CAAC5P,IAAlB,IAA0B9B,SAA1B;AACA,SAAK0tB,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,UAAI,EAAEC,oBAAU,CAACk7B,aAAnB;AAAkCh7B,aAAO,EAAEC,sBAAY,CAACu8B,iBAAxD;AAA2Er8B,WAAK,EAAE,KAAlF;AAAyFsP,UAAI,EAAEknB,OAAO,CAAClnB,IAAvG;AAA6G8pB,oBAAc,EAAEA;AAA7H,KAA9B;AACD,G,CAED;;;SACA+C,Y,GAAA,sBAAcxa,KAAd,EAAqB6U,OAArB,EAA8Bj+B,IAA9B,EAAoC6gC,cAApC,EAA2D;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AAAE;AAC3D,QAAI9pB,IAAI,GAAGknB,OAAO,CAAClnB,IAAnB;AACAA,QAAI,CAACusB,MAAL,GAAcla,KAAK,CAACka,MAApB;AACA,SAAKvQ,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACgrB,kBAAvB,EAA2C;AAAElb,UAAI,EAAEA,IAAR;AAAcqS,WAAK,EAAEA,KAArB;AAA4ByX,oBAAc,EAAEA;AAA5C,KAA3C;AACD,G;;;EAvG0B/N,a;;AA0GdkQ,kFAAf,E;;;;ACnHA;;;AAIA;AACA;AACA;AACA;;IAaMe,oB;;;;;AAKJ,qBAAahR,GAAb,EAAuB;AAAA;;AACrB,qCAAMA,GAAN,EAAW9rB,iBAAK,CAACwrB,WAAjB;AADqB,UAJhBmL,OAIgB,GAJN,EAIM;AAAA,UAHhBoG,UAGgB,GAHgB,IAGhB;AAAA,UAFhBC,UAEgB,GAFY,IAEZ;AAAA;AAEtB;;;;SAED7+B,O,GAAA,mBAAiB;AACf,SAAK,IAAM69B,UAAX,IAAyB,KAAKrF,OAA9B,EAAuC;AACrC,UAAIhI,MAAM,GAAG,KAAKgI,OAAL,CAAaqF,UAAb,CAAb;;AACA,UAAIrN,MAAJ,EAAY;AACVA,cAAM,CAACxwB,OAAP;AACD;AACF;;AACD,SAAKw4B,OAAL,GAAe,EAAf;;AAEA,4BAAMx4B,OAAN;AACD,G;;SAED8+B,Y,GAAA,sBAAclkC,IAAd,EAAyC;AAAA,QAC/B+W,IAD+B,GACtB/W,IADsB,CAC/B+W,IAD+B;AAEvC,QAAM5P,IAAI,GAAG4P,IAAI,CAAC5P,IAAlB;AACA,QAAMyuB,MAAM,GAAG,KAAKgI,OAAL,CAAaz2B,IAAb,CAAf;;AACA,QAAI,CAAC4P,IAAI,CAAClG,WAAV,EAAuB;AACrBzK,sBAAM,CAACgN,IAAP,CAAY,qDAAZ;AACA;AACD,KAPsC,CASvC;;;AACA,QAAMqjB,GAAG,GAAG1f,IAAI,CAAClG,WAAL,CAAiB4lB,GAA7B;;AACA,QAAIA,GAAG,KAAK,KAAKwN,UAAb,IAA2B,KAAKD,UAAL,KAAoB,IAAnD,EAAyD;AACvD,UAAIt+B,MAAM,GAAG,KAAKqtB,GAAL,CAASrtB,MAAtB;;AACA,UAAIkwB,MAAJ,EAAY;AACVxvB,wBAAM,CAACgN,IAAP,yCAAkDjM,IAAlD;AACAyuB,cAAM,CAAC4J,KAAP;AACD;;AACD,UAAI,CAAC/I,GAAL,EAAU;AACRrwB,wBAAM,CAACgN,IAAP,CAAY,kBAAZ;AACA;AACD;;AAED2D,UAAI,CAAC6e,MAAL,GAAc,KAAKgI,OAAL,CAAaz2B,IAAb,IAAqB,IAAIzB,MAAM,CAACkwB,MAAX,CAAkBlwB,MAAlB,CAAnC;AACA,WAAKu+B,UAAL,GAAkBxN,GAAlB;AACA,WAAKuN,UAAL,GAAkB,IAAlB;AAEA,UAAMzE,aAA+B,GAAG;AACtCpT,WAAG,EAAEsK,GADiC;AAEtC1f,YAAI,EAAEA,IAFgC;AAGtCmoB,oBAAY,EAAE;AAHwB,OAAxC,CAfuD,CAqBvD;AACA;AACA;;AACA,UAAMmB,YAAiC,GAAG;AACxCX,eAAO,EAAEh6B,MAAM,CAAC+9B,kBADwB;AAExChE,gBAAQ,EAAE,CAF8B;AAGxCE,kBAAU,EAAEj6B,MAAM,CAACy+B,qBAHqB;AAIxCvE,qBAAa,EAAEl6B,MAAM,CAACg+B;AAJkB,OAA1C;AAOA,UAAMpD,eAAkD,GAAG;AACzDC,iBAAS,EAAE,KAAKC,WAAL,CAAiBrwB,IAAjB,CAAsB,IAAtB,CAD8C;AAEzDswB,eAAO,EAAE,KAAKC,SAAL,CAAevwB,IAAf,CAAoB,IAApB,CAFgD;AAGzDwwB,iBAAS,EAAE,KAAKC,WAAL,CAAiBzwB,IAAjB,CAAsB,IAAtB;AAH8C,OAA3D;AAMA4G,UAAI,CAAC6e,MAAL,CAAYoJ,IAAZ,CAAiBO,aAAjB,EAAgCc,YAAhC,EAA8CC,eAA9C;AACD,KAtCD,MAsCO,IAAI,KAAK0D,UAAT,EAAqB;AAC1B;AACAjtB,UAAI,CAAClG,WAAL,CAAiB5Q,GAAjB,GAAuB,KAAK+jC,UAA5B;AACA,WAAKjR,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACyrB,UAAvB,EAAmC;AAAE3b,YAAI,EAAEA;AAAR,OAAnC;AACD;AACF,G;;SAEDypB,W,GAAA,qBAAanC,QAAb,EAAuCjV,KAAvC,EAA2D6U,OAA3D,EAAsF;AACpF,QAAIlnB,IAAI,GAAGknB,OAAO,CAAClnB,IAAnB;;AACA,QAAI,CAACA,IAAI,CAAClG,WAAV,EAAuB;AACrBzK,sBAAM,CAACU,KAAP,CAAa,mCAAb;AACA;AACD;;AACD,SAAKk9B,UAAL,GAAkBjtB,IAAI,CAAClG,WAAL,CAAiB5Q,GAAjB,GAAuB,IAAIyN,UAAJ,CAAe2wB,QAAQ,CAACr+B,IAAxB,CAAzC,CANoF,CAQpF;;AACA+W,QAAI,CAAC6e,MAAL,GAAcvwB,SAAd;AACA,WAAO,KAAKu4B,OAAL,CAAa7mB,IAAI,CAAC5P,IAAlB,CAAP;AACA,SAAK4rB,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACyrB,UAAvB,EAAmC;AAAE3b,UAAI,EAAEA;AAAR,KAAnC;AACD,G;;SAED2pB,S,GAAA,mBAAWrC,QAAX,EAAqCJ,OAArC,EAAgE;AAC9D,QAAIlnB,IAAI,GAAGknB,OAAO,CAAClnB,IAAnB;AACA,QAAI6e,MAAM,GAAG7e,IAAI,CAAC6e,MAAlB;;AACA,QAAIA,MAAJ,EAAY;AACVA,YAAM,CAAC4J,KAAP;AACD;;AAED,WAAO,KAAK5B,OAAL,CAAa7mB,IAAI,CAAC5P,IAAlB,CAAP;AACA,SAAK4rB,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,UAAI,EAAEC,oBAAU,CAACk7B,aAAnB;AAAkCh7B,aAAO,EAAEC,sBAAY,CAAC68B,cAAxD;AAAwE38B,WAAK,EAAE,KAA/E;AAAsFsP,UAAI,EAAJA,IAAtF;AAA4FsnB,cAAQ,EAARA;AAA5F,KAA9B;AACD,G;;SAEDuC,W,GAAA,qBAAaxX,KAAb,EAAiC6U,OAAjC,EAA4D;AAC1D,QAAIlnB,IAAI,GAAGknB,OAAO,CAAClnB,IAAnB;AACA,QAAI6e,MAAM,GAAG7e,IAAI,CAAC6e,MAAlB;;AACA,QAAIA,MAAJ,EAAY;AACVA,YAAM,CAAC4J,KAAP;AACD;;AAED,WAAO,KAAK5B,OAAL,CAAa7mB,IAAI,CAAC5P,IAAlB,CAAP;AACA,SAAK4rB,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,UAAI,EAAEC,oBAAU,CAACk7B,aAAnB;AAAkCh7B,aAAO,EAAEC,sBAAY,CAAC88B,gBAAxD;AAA0E58B,WAAK,EAAE,KAAjF;AAAwFsP,UAAI,EAAJA;AAAxF,KAA9B;AACD,G;;;EA/GqB+b,a;;AAkHTiR,mEAAf,E;;;;;;ACtIA;AACA;AAEO,IAAMO,aAAa,GAAG;AAC3BC,YAAU,EAAE,YADe;AAE3BC,WAAS,EAAE,WAFgB;AAG3BC,SAAO,EAAE,SAHkB;AAI3BC,IAAE,EAAE;AAJuB,CAAtB;AAOA,IAAMC,gCAAb;AAAA;AAAA;AAAA;;AACE,2BAAa5R,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACE9rB,iBAAK,CAACupB,eADR,EAEEvpB,iBAAK,CAACmrB,aAFR,EAGEnrB,iBAAK,CAACkrB,WAHR;AAMA,UAAKyS,aAAL,GAAqB,GAArB;AAEA,UAAK9N,SAAL,GAAiBhT,MAAM,CAAC+gB,MAAP,CAAc,IAAd,CAAjB;AACA,UAAKC,UAAL,GAAkBhhB,MAAM,CAAC+gB,MAAP,CAAc,IAAd,CAAlB;AAEA,UAAKn/B,MAAL,GAAcqtB,GAAG,CAACrtB,MAAlB;AAZgB;AAajB;;AAdH;;AAAA,SAgBEN,OAhBF,GAgBE,mBAAW;AACT,SAAK0xB,SAAL,GAAiBhT,MAAM,CAAC+gB,MAAP,CAAc,IAAd,CAAjB;AACA,SAAKC,UAAL,GAAkBhhB,MAAM,CAAC+gB,MAAP,CAAc,IAAd,CAAlB;AACA,SAAKn/B,MAAL,GAAc,IAAd;AACAotB,iBAAY,CAACvT,SAAb,CAAuBna,OAAvB,CAA+Boa,IAA/B,CAAoC,IAApC;;AACA,4BAAMpa,OAAN;AACD;AAED;;;;;;;AAxBF;;AAAA,SA+BE2/B,eA/BF,GA+BE,yBAAiBv3B,QAAjB,EAA2Bm0B,SAA3B,EAAsC;AACpC,QAAM7K,SAAS,GAAG,KAAKA,SAAvB;AACA,QAAMkO,aAAa,GAAGlhB,MAAM,CAACC,IAAP,CAAY+S,SAAZ,EAAuBzP,MAAvB,CAA8B,UAAApnB,GAAG,EAAI;AACzD,UAAMglC,cAAc,GAAGnO,SAAS,CAAC72B,GAAD,CAAhC;;AACA,UAAIglC,cAAc,CAACC,IAAf,CAAoB/9B,IAApB,KAA6Bw6B,SAAjC,EAA4C;AAC1C,eAAO,KAAP;AACD;;AAED,UAAI,CAACsD,cAAc,CAACE,QAApB,EAA8B;AAC5B,eAAO,KAAP;AACD;;AAED,UAAMpuB,IAAI,GAAGkuB,cAAc,CAACC,IAA5B;AACA,aAAOnuB,IAAI,CAACgM,QAAL,IAAiBvV,QAAjB,IAA6BA,QAAQ,IAAIuJ,IAAI,CAAC+L,MAArD;AACD,KAZqB,CAAtB;;AAaA,QAAIkiB,aAAa,CAACjiC,MAAd,KAAyB,CAA7B,EAAgC;AAC9B,aAAO,IAAP;AACD,KAFD,MAEO;AACL;AACA,UAAMqiC,eAAe,GAAGJ,aAAa,CAAC7H,GAAd,EAAxB;AACA,aAAOrG,SAAS,CAACsO,eAAD,CAAT,CAA2BF,IAAlC;AACD;AACF;AAED;;;;;;;AAvDF;;AAAA,SA8DEG,sBA9DF,GA8DE,gCAAwBC,gBAAxB,EAA0CC,SAA1C,EAAqD;AAAA;;AACnD,QAAIC,aAAJ,EAAmBC,IAAnB,CADmD,CAEnD;;AACA3hB,UAAM,CAACC,IAAP,CAAY,KAAK+S,SAAjB,EAA4Bte,OAA5B,CAAoC,UAAAvY,GAAG,EAAI;AACzC,UAAMglC,cAAc,GAAG,MAAI,CAACnO,SAAL,CAAe72B,GAAf,CAAvB;;AACA,UAAIglC,cAAc,CAACE,QAAf,KAA4B,IAAhC,EAAsC;AACpC,YAAMO,MAAM,GAAGT,cAAc,CAACU,KAAf,CAAqBL,gBAArB,CAAf;;AACA,YAAII,MAAJ,EAAY;AACVF,uBAAa,GAAGE,MAAM,CAACD,IAAvB;;AACA,eAAK,IAAI/jC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG8jC,aAAa,CAACziC,MAAlC,EAA0CrB,CAAC,EAA3C,EAA+C;AAC7C+jC,gBAAI,GAAGD,aAAa,CAAC9jC,CAAD,CAApB;;AAEA,gBAAI,MAAI,CAACkkC,cAAL,CAAoBH,IAAI,CAAC1iB,QAAzB,EAAmC0iB,IAAI,CAAC3iB,MAAxC,EAAgDyiB,SAAhD,MAA+D,KAAnE,EAA0E;AACxE;AACA,oBAAI,CAACM,cAAL,CAAoBZ,cAAc,CAACC,IAAnC;;AACA;AACD;AACF;AACF;AACF;AACF,KAjBD;AAkBD;AAED;;;;;AArFF;;AAAA,SA0FEY,sBA1FF,GA0FE,gCAAwB3W,QAAxB,EAAkC;AAAA;;AAChC,QAAI4W,OAAO,GAAG,KAAKC,cAAL,CAAoB7W,QAApB,CAAd;AACA,QAAI8V,cAAc,GAAG,KAAKnO,SAAL,CAAeiP,OAAf,CAArB;;AACA,QAAId,cAAJ,EAAoB;AAClBA,oBAAc,CAACE,QAAf,GAA0B,IAA1B;AAEArhB,YAAM,CAACC,IAAP,CAAY,KAAK+gB,UAAjB,EAA6BtsB,OAA7B,CAAqC,UAAA8sB,gBAAgB,EAAI;AACvD,YAAInW,QAAQ,CAACiH,mBAAT,CAA6BkP,gBAA7B,CAAJ,EAAoD;AAClD,cAAIC,SAAS,GAAG,MAAI,CAACT,UAAL,CAAgBQ,gBAAhB,CAAhB,CADkD,CAElD;AACA;;AACAL,wBAAc,CAACU,KAAf,CAAqBL,gBAArB,IAAyC,MAAI,CAACW,gBAAL,CAAsB9W,QAAQ,CAACpM,QAA/B,EAAyCoM,QAAQ,CAACrM,MAAlD,EAA0DyiB,SAA1D,CAAzC;AACD;AACF,OAPD;AAQD;AACF,GAzGH;;AAAA,SA2GEU,gBA3GF,GA2GE,0BAAkBljB,QAAlB,EAA4BD,MAA5B,EAAoCyiB,SAApC,EAA+C;AAC7C,QAAIC,aAAa,GAAG,EAApB;AACA,QAAIvc,SAAJ,EAAeC,OAAf;AACA,QAAIgd,eAAe,GAAG,KAAtB;;AACA,SAAK,IAAIxkC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG6jC,SAAS,CAACxiC,MAA9B,EAAsCrB,CAAC,EAAvC,EAA2C;AACzCunB,eAAS,GAAGsc,SAAS,CAACrxB,KAAV,CAAgBxS,CAAhB,IAAqB,KAAKkjC,aAAtC;AACA1b,aAAO,GAAGqc,SAAS,CAACzd,GAAV,CAAcpmB,CAAd,IAAmB,KAAKkjC,aAAlC;;AACA,UAAI7hB,QAAQ,IAAIkG,SAAZ,IAAyBnG,MAAM,IAAIoG,OAAvC,EAAgD;AAC9C;AACA;AACAsc,qBAAa,CAACp7B,IAAd,CAAmB;AACjB2Y,kBAAQ,EAAEnV,IAAI,CAAC+U,GAAL,CAASI,QAAT,EAAmBwiB,SAAS,CAACrxB,KAAV,CAAgBxS,CAAhB,CAAnB,CADO;AAEjBohB,gBAAM,EAAElV,IAAI,CAACC,GAAL,CAASiV,MAAT,EAAiByiB,SAAS,CAACzd,GAAV,CAAcpmB,CAAd,CAAjB;AAFS,SAAnB;AAIA;AACD,OARD,MAQO,IAAIqhB,QAAQ,GAAGmG,OAAX,IAAsBpG,MAAM,GAAGmG,SAAnC,EAA8C;AACnD;AACA;AACAuc,qBAAa,CAACp7B,IAAd,CAAmB;AACjB2Y,kBAAQ,EAAEnV,IAAI,CAAC+U,GAAL,CAASI,QAAT,EAAmBwiB,SAAS,CAACrxB,KAAV,CAAgBxS,CAAhB,CAAnB,CADO;AAEjBohB,gBAAM,EAAElV,IAAI,CAACC,GAAL,CAASiV,MAAT,EAAiByiB,SAAS,CAACzd,GAAV,CAAcpmB,CAAd,CAAjB;AAFS,SAAnB;AAIAwkC,uBAAe,GAAG,IAAlB;AACD,OARM,MAQA,IAAIpjB,MAAM,IAAImG,SAAd,EAAyB;AAC9B;AACA;AACD;AACF;;AAED,WAAO;AACLwc,UAAI,EAAED,aADD;AAELW,aAAO,EAAED;AAFJ,KAAP;AAID,GA5IH;;AAAA,SA8IEF,cA9IF,GA8IE,wBAAgB7W,QAAhB,EAA0B;AACxB,WAAUA,QAAQ,CAAChoB,IAAnB,SAA2BgoB,QAAQ,CAACuG,KAApC,SAA6CvG,QAAQ,CAACsG,KAAtD,SAA+DtG,QAAQ,CAACtP,EAAxE;AACD;AAED;;;;;AAlJF;;AAAA,SAuJEumB,kBAvJF,GAuJE,4BAAoBX,IAApB,EAA0B;AAAA;;AACxB,QAAIY,WAAJ,EAAiBpd,SAAjB,EAA4BC,OAA5B;AACA,QAAIod,YAAY,GAAG,IAAnB;AACA,QAAIC,WAAW,GAAG,CAAlB;AACAziB,UAAM,CAACC,IAAP,CAAY,KAAK+S,SAAjB,EAA4Bte,OAA5B,CAAoC,UAAAvY,GAAG,EAAI;AACzC,UAAMglC,cAAc,GAAG,MAAI,CAACnO,SAAL,CAAe72B,GAAf,CAAvB;;AACA,UAAI,MAAI,CAACumC,SAAL,CAAevB,cAAf,CAAJ,EAAoC;AAClChc,iBAAS,GAAGgc,cAAc,CAACC,IAAf,CAAoBniB,QAApB,GAA+B,MAAI,CAAC6hB,aAAhD;AACA1b,eAAO,GAAG+b,cAAc,CAACC,IAAf,CAAoBpiB,MAApB,GAA6B,MAAI,CAAC8hB,aAA5C;;AACA,YAAIa,IAAI,IAAIxc,SAAR,IAAqBwc,IAAI,IAAIvc,OAAjC,EAA0C;AACxC;AACAmd,qBAAW,GAAGz4B,IAAI,CAACC,GAAL,CAAS43B,IAAI,GAAGxc,SAAhB,EAA2BC,OAAO,GAAGuc,IAArC,CAAd;;AACA,cAAIc,WAAW,IAAIF,WAAnB,EAAgC;AAC9BC,wBAAY,GAAGrB,cAAc,CAACC,IAA9B;AACAqB,uBAAW,GAAGF,WAAd;AACD;AACF;AACF;AACF,KAdD;AAeA,WAAOC,YAAP;AACD;AAED;;;;AA7KF;;AAAA,SAiLEG,QAjLF,GAiLE,kBAAUtX,QAAV,EAAoB;AAClB,QAAI4W,OAAO,GAAG,KAAKC,cAAL,CAAoB7W,QAApB,CAAd;AACA,QAAI8V,cAAc,GAAG,KAAKnO,SAAL,CAAeiP,OAAf,CAArB;AACA,QAAIprB,KAAK,GAAG2pB,aAAa,CAACC,UAA1B;;AAEA,QAAIU,cAAc,KAAK5/B,SAAvB,EAAkC;AAChC,UAAI,CAAC4/B,cAAc,CAACE,QAApB,EAA8B;AAC5BxqB,aAAK,GAAG2pB,aAAa,CAACE,SAAtB;AACD,OAFD,MAEO,IAAI,KAAKgC,SAAL,CAAevB,cAAf,MAAmC,IAAvC,EAA6C;AAClDtqB,aAAK,GAAG2pB,aAAa,CAACG,OAAtB;AACD,OAFM,MAEA;AACL9pB,aAAK,GAAG2pB,aAAa,CAACI,EAAtB;AACD;AACF;;AAED,WAAO/pB,KAAP;AACD,GAjMH;;AAAA,SAmME6rB,SAnMF,GAmME,mBAAWvB,cAAX,EAA2B;AACzB,WAAOA,cAAc,CAACE,QAAf,KAA4B,IAA5B,KACHF,cAAc,CAACU,KAAf,CAAqBlzB,KAArB,KAA+BpN,SAA/B,IAA4C4/B,cAAc,CAACU,KAAf,CAAqBlzB,KAArB,CAA2B0zB,OAA3B,KAAuC,IAApF,IACElB,cAAc,CAACU,KAAf,CAAqBjzB,KAArB,KAA+BrN,SAA/B,IAA4C4/B,cAAc,CAACU,KAAf,CAAqBjzB,KAArB,CAA2ByzB,OAA3B,KAAuC,IAFjF,CAAP;AAGD,GAvMH;;AAAA,SAyMEP,cAzMF,GAyME,wBAAgB7iB,QAAhB,EAA0BD,MAA1B,EAAkCyiB,SAAlC,EAA6C;AAC3C,QAAItc,SAAJ,EAAeC,OAAf;;AACA,SAAK,IAAIxnB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG6jC,SAAS,CAACxiC,MAA9B,EAAsCrB,CAAC,EAAvC,EAA2C;AACzCunB,eAAS,GAAGsc,SAAS,CAACrxB,KAAV,CAAgBxS,CAAhB,IAAqB,KAAKkjC,aAAtC;AACA1b,aAAO,GAAGqc,SAAS,CAACzd,GAAV,CAAcpmB,CAAd,IAAmB,KAAKkjC,aAAlC;;AACA,UAAI7hB,QAAQ,IAAIkG,SAAZ,IAAyBnG,MAAM,IAAIoG,OAAvC,EAAgD;AAC9C,eAAO,IAAP;AACD;;AAED,UAAIpG,MAAM,IAAImG,SAAd,EAAyB;AACvB;AACA,eAAO,KAAP;AACD;AACF;;AAED,WAAO,KAAP;AACD;AAED;;;AA3NF;;AAAA,SA8NEyd,YA9NF,GA8NE,sBAAc3gC,CAAd,EAAiB;AACf,QAAMopB,QAAQ,GAAGppB,CAAC,CAACgR,IAAnB,CADe,CAEf;AACA;;AACA,QAAI,CAAC,0CAAgBoY,QAAQ,CAACtP,EAAzB,CAAD,IAAiCsP,QAAQ,CAACwX,WAA9C,EAA2D;AACzD;AACD;;AAED,SAAK7P,SAAL,CAAe,KAAKkP,cAAL,CAAoB7W,QAApB,CAAf,IAAgD;AAC9C+V,UAAI,EAAE/V,QADwC;AAE9CwW,WAAK,EAAE7hB,MAAM,CAAC+gB,MAAP,CAAc,IAAd,CAFuC;AAG9CM,cAAQ,EAAE;AAHoC,KAAhD;AAKD;AAED;;;AA7OF;;AAAA,SAgPEyB,gBAhPF,GAgPE,0BAAkB7gC,CAAlB,EAAqB;AAAA;;AACnB;AACA,SAAK++B,UAAL,GAAkB/+B,CAAC,CAAC++B,UAApB;AACAhhB,UAAM,CAACC,IAAP,CAAY,KAAK+gB,UAAjB,EAA6BtsB,OAA7B,CAAqC,UAAA8sB,gBAAgB,EAAI;AACvD,UAAIC,SAAS,GAAG,MAAI,CAACT,UAAL,CAAgBQ,gBAAhB,CAAhB;;AACA,YAAI,CAACD,sBAAL,CAA4BC,gBAA5B,EAA8CC,SAA9C;AACD,KAHD;AAID;AAED;;;AAzPF;;AAAA,SA4PEsB,cA5PF,GA4PE,wBAAgB9gC,CAAhB,EAAmB;AACjB,SAAK+/B,sBAAL,CAA4B//B,CAAC,CAACgR,IAA9B;AACD;AAED;;;;;AAhQF;;AAAA,SAqQE+vB,WArQF,GAqQE,qBAAa3X,QAAb,EAAuB;AACrB,QAAM4W,OAAO,GAAG,KAAKC,cAAL,CAAoB7W,QAApB,CAAhB;AACA,WAAO,KAAK2H,SAAL,CAAeiP,OAAf,MAA4B1gC,SAAnC;AACD;AAED;;;;AA1QF;;AAAA,SA8QEwgC,cA9QF,GA8QE,wBAAgB1W,QAAhB,EAA0B;AACxB,QAAI4W,OAAO,GAAG,KAAKC,cAAL,CAAoB7W,QAApB,CAAd;AACA,WAAO,KAAK2H,SAAL,CAAeiP,OAAf,CAAP;AACD;AAED;;;AAnRF;;AAAA,SAsREgB,kBAtRF,GAsRE,8BAAsB;AACpB,SAAKjQ,SAAL,GAAiBhT,MAAM,CAAC+gB,MAAP,CAAc,IAAd,CAAjB;AACD,GAxRH;;AAAA;AAAA,EAAqC/R,aAArC,E;;ACRA,IAAMkU,YAAY,GAAG;AAEnB;;;;;;;;;;;;;;;AAeAC,QAAM,EAAE,gBAAaC,IAAb,EAAwBC,YAAxB,EAA2E;AACjF,QAAIC,QAAgB,GAAG,CAAvB;AACA,QAAIC,QAAgB,GAAGH,IAAI,CAACnkC,MAAL,GAAc,CAArC;AACA,QAAIukC,YAA2B,GAAG,IAAlC;AACA,QAAIC,cAAwB,GAAG,IAA/B;;AAEA,WAAOH,QAAQ,IAAIC,QAAnB,EAA6B;AAC3BC,kBAAY,GAAG,CAACF,QAAQ,GAAGC,QAAZ,IAAwB,CAAxB,GAA4B,CAA3C;AACAE,oBAAc,GAAGL,IAAI,CAACI,YAAD,CAArB;AAEA,UAAIE,gBAAgB,GAAGL,YAAY,CAACI,cAAD,CAAnC;;AACA,UAAIC,gBAAgB,GAAG,CAAvB,EAA0B;AACxBJ,gBAAQ,GAAGE,YAAY,GAAG,CAA1B;AACD,OAFD,MAEO,IAAIE,gBAAgB,GAAG,CAAvB,EAA0B;AAC/BH,gBAAQ,GAAGC,YAAY,GAAG,CAA1B;AACD,OAFM,MAEA;AACL,eAAOC,cAAP;AACD;AACF;;AAED,WAAO,IAAP;AACD;AAtCkB,CAArB;AAyCeP,8DAAf,E;;AC3CA;;;;;;;;;AAmBO,IAAMS,YAAb;AAAA;AAAA;AAAA;;AACE;;;;;;AADF,eAOSC,UAPT,GAOE,oBAAmBrM,KAAnB,EAAsC7tB,QAAtC,EAAiE;AAC/D,QAAI;AACF,UAAI6tB,KAAJ,EAAW;AACT,YAAI8J,QAAQ,GAAG9J,KAAK,CAAC8J,QAArB;;AACA,aAAK,IAAIzjC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGyjC,QAAQ,CAACpiC,MAA7B,EAAqCrB,CAAC,EAAtC,EAA0C;AACxC,cAAI8L,QAAQ,IAAI23B,QAAQ,CAACjxB,KAAT,CAAexS,CAAf,CAAZ,IAAiC8L,QAAQ,IAAI23B,QAAQ,CAACrd,GAAT,CAAapmB,CAAb,CAAjD,EAAkE;AAChE,mBAAO,IAAP;AACD;AACF;AACF;AACF,KATD,CASE,OAAOoF,KAAP,EAAc,CACd;AACA;AACA;AACD;;AACD,WAAO,KAAP;AACD,GAvBH;;AAAA,eAyBS6gC,UAzBT,GAyBE,oBACEtM,KADF,EAEEhhB,GAFF,EAGEutB,eAHF,EASE;AACA,QAAI;AACF,UAAIvM,KAAJ,EAAW;AACT,YAAIwM,SAAS,GAAGxM,KAAK,CAAC8J,QAAtB;AACA,YAAIA,QAA2B,GAAG,EAAlC;AACA,YAAIzjC,CAAJ;;AACA,aAAKA,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGmmC,SAAS,CAAC9kC,MAA1B,EAAkCrB,CAAC,EAAnC,EAAuC;AACrCyjC,kBAAQ,CAAC/6B,IAAT,CAAc;AAAE8J,iBAAK,EAAE2zB,SAAS,CAAC3zB,KAAV,CAAgBxS,CAAhB,CAAT;AAA6BomB,eAAG,EAAE+f,SAAS,CAAC/f,GAAV,CAAcpmB,CAAd;AAAlC,WAAd;AACD;;AAED,eAAO,KAAKomC,YAAL,CAAkB3C,QAAlB,EAA4B9qB,GAA5B,EAAiCutB,eAAjC,CAAP;AACD;AACF,KAXD,CAWE,OAAO9gC,KAAP,EAAc,CACd;AACA;AACA;AACD;;AACD,WAAO;AAAEmE,SAAG,EAAE,CAAP;AAAUiJ,WAAK,EAAEmG,GAAjB;AAAsByN,SAAG,EAAEzN,GAA3B;AAAgC0tB,eAAS,EAAE1iC;AAA3C,KAAP;AACD,GApDH;;AAAA,eAsDSyiC,YAtDT,GAsDE,sBACE3C,QADF,EAEE9qB,GAFF,EAGEutB,eAHF,EASE;AACA;AACAzC,YAAQ,CAACvgB,IAAT,CAAc,UAAUC,CAAV,EAAahM,CAAb,EAAgB;AAC5B,UAAImvB,IAAI,GAAGnjB,CAAC,CAAC3Q,KAAF,GAAU2E,CAAC,CAAC3E,KAAvB;;AACA,UAAI8zB,IAAJ,EAAU;AACR,eAAOA,IAAP;AACD,OAFD,MAEO;AACL,eAAOnvB,CAAC,CAACiP,GAAF,GAAQjD,CAAC,CAACiD,GAAjB;AACD;AACF,KAPD;AASA,QAAImgB,SAA4B,GAAG,EAAnC;;AACA,QAAIL,eAAJ,EAAqB;AACnB;AACA;AACA;AACA,WAAK,IAAIlmC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGyjC,QAAQ,CAACpiC,MAA7B,EAAqCrB,CAAC,EAAtC,EAA0C;AACxC,YAAIwmC,OAAO,GAAGD,SAAS,CAACllC,MAAxB;;AACA,YAAImlC,OAAJ,EAAa;AACX,cAAIC,OAAO,GAAGF,SAAS,CAACC,OAAO,GAAG,CAAX,CAAT,CAAuBpgB,GAArC,CADW,CAEX;;AACA,cAAKqd,QAAQ,CAACzjC,CAAD,CAAR,CAAYwS,KAAZ,GAAoBi0B,OAArB,GAAgCP,eAApC,EAAqD;AACnD;AACA;AACA;AACA;AACA,gBAAIzC,QAAQ,CAACzjC,CAAD,CAAR,CAAYomB,GAAZ,GAAkBqgB,OAAtB,EAA+B;AAC7BF,uBAAS,CAACC,OAAO,GAAG,CAAX,CAAT,CAAuBpgB,GAAvB,GAA6Bqd,QAAQ,CAACzjC,CAAD,CAAR,CAAYomB,GAAzC;AACD;AACF,WARD,MAQO;AACL;AACAmgB,qBAAS,CAAC79B,IAAV,CAAe+6B,QAAQ,CAACzjC,CAAD,CAAvB;AACD;AACF,SAfD,MAeO;AACL;AACAumC,mBAAS,CAAC79B,IAAV,CAAe+6B,QAAQ,CAACzjC,CAAD,CAAvB;AACD;AACF;AACF,KA1BD,MA0BO;AACLumC,eAAS,GAAG9C,QAAZ;AACD;;AAED,QAAIiD,SAAS,GAAG,CAAhB,CA1CA,CA4CA;;AACA,QAAIC,eAAJ,CA7CA,CA+CA;;AACA,QAAIC,WAAmB,GAAGjuB,GAA1B;AACA,QAAIkuB,SAAiB,GAAGluB,GAAxB;;AACA,SAAK,IAAI3Y,EAAC,GAAG,CAAb,EAAgBA,EAAC,GAAGumC,SAAS,CAACllC,MAA9B,EAAsCrB,EAAC,EAAvC,EAA2C;AACzC,UAAIwS,KAAK,GAAG+zB,SAAS,CAACvmC,EAAD,CAAT,CAAawS,KAAzB;AAAA,UACE4T,GAAG,GAAGmgB,SAAS,CAACvmC,EAAD,CAAT,CAAaomB,GADrB,CADyC,CAGzC;;AACA,UAAKzN,GAAG,GAAGutB,eAAP,IAA2B1zB,KAA3B,IAAoCmG,GAAG,GAAGyN,GAA9C,EAAmD;AACjD;AACAwgB,mBAAW,GAAGp0B,KAAd;AACAq0B,iBAAS,GAAGzgB,GAAZ;AACAsgB,iBAAS,GAAGG,SAAS,GAAGluB,GAAxB;AACD,OALD,MAKO,IAAKA,GAAG,GAAGutB,eAAP,GAA0B1zB,KAA9B,EAAqC;AAC1Cm0B,uBAAe,GAAGn0B,KAAlB;AACA;AACD;AACF;;AACD,WAAO;AAAEjJ,SAAG,EAAEm9B,SAAP;AAAkBl0B,WAAK,EAAEo0B,WAAzB;AAAsCxgB,SAAG,EAAEygB,SAA3C;AAAsDR,eAAS,EAAEM;AAAjE,KAAP;AACD,GAhIH,CAkIE;AACA;AACA;AApIF;;AAAA,eAqISG,6BArIT,GAqIE,uCAAqCnN,KAArC,EAA4ChhB,GAA5C,EAAiDouB,sBAAjD,EAAyE;AACvE,QAAMC,WAAW,GAAGrN,KAAK,GAAGA,KAAK,CAACqN,WAAT,GAAuBrjC,SAAhD,CADuE,CAGvE;;AACA,QAAIoiC,YAAY,CAACC,UAAb,CAAwBrM,KAAxB,EAA+BqN,WAA/B,CAAJ,EAAiD;AAC/C,aAAOruB,GAAP;AACD;;AAED,QAAM8qB,QAAQ,GAAG9J,KAAK,CAAC8J,QAAvB;;AACA,SAAK,IAAIzjC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGyjC,QAAQ,CAACpiC,MAA7B,EAAqCrB,CAAC,EAAtC,EAA0C;AACxC,UAAMwS,KAAK,GAAGixB,QAAQ,CAACjxB,KAAT,CAAexS,CAAf,CAAd,CADwC,CAGxC;;AACA,UAAIwS,KAAK,GAAGw0B,WAAR,IAAuBx0B,KAAK,GAAGw0B,WAAW,GAAGD,sBAAjD,EAAyE;AACvE,eAAO76B,IAAI,CAAC6C,IAAL,CAAUyD,KAAK,GAAG,EAAlB,IAAwB,EAA/B;AACD;AACF;;AAED,WAAOmG,GAAP;AACD,GAxJH;;AAAA;AAAA,I;;;;;;;;;;;ACnBA;;;AAIO,SAASsuB,cAAT,GAA2D;AAChE,SAAQjL,MAAD,CAAgBxE,WAAhB,IAAgCwE,MAAD,CAAgBkL,iBAAtD;AACD,C;;;;;;;ACND;AAEA;;;;AAGO,IAAMC,QAAb;AAAA;AAAA;AAAA;;AAAA;AAAA;AAAA;;AAAA;;AACE;;;;;AADF,SAME7hC,OANF,GAME,iBAAS+iB,KAAT,EAAmD;AAAA,sCAAxB/pB,IAAwB;AAAxBA,UAAwB;AAAA;;AACjD,SAAKgqB,IAAL,cAAUD,KAAV,EAAiBA,KAAjB,SAA2B/pB,IAA3B;AACD,GARH;;AAAA;AAAA,EAA8B8pB,6BAA9B,E;;;ACLA;AACA;AAEA;AACA;AACA;AACA;AACA;AACA;CAIA;;AACA,IAAMxkB,MAAM,GAAGC,sCAAY,EAA3B,C,CAA+B;;AAC/B,IAAM2zB,mBAAW,GAAGyP,cAAc,MAAM;AAAExP,iBAAe,EAAE;AAAA,WAAM,KAAN;AAAA;AAAnB,CAAxC;;IAEM2P,e;;;AACJ,mBAAa/V,GAAb,EAAkBjoB,EAAlB,EAAsB;AAAA;;AACpB,SAAKioB,GAAL,GAAWA,GAAX;AACA,SAAKjoB,EAAL,GAAUA,EAAV;AAEA,QAAMrF,QAAQ,GAAG,KAAKA,QAAL,GAAgB,IAAIojC,QAAJ,EAAjC;AACA,QAAMnjC,MAAM,GAAGqtB,GAAG,CAACrtB,MAAnB;;AAEA,QAAMykB,cAAc,GAAG,SAAjBA,cAAiB,CAACC,EAAD,EAAKpqB,IAAL,EAAc;AACnCA,UAAI,GAAGA,IAAI,IAAI,EAAf;AACAA,UAAI,CAAC+W,IAAL,GAAY,KAAI,CAACA,IAAjB;AACA/W,UAAI,CAAC8K,EAAL,GAAU,KAAI,CAACA,EAAf;AACAioB,SAAG,CAAC/rB,OAAJ,CAAYojB,EAAZ,EAAgBpqB,IAAhB;AACD,KALD,CAPoB,CAcpB;;;AACAyF,YAAQ,CAACklB,EAAT,CAAY1jB,iBAAK,CAACkiB,cAAlB,EAAkCgB,cAAlC;AACA1kB,YAAQ,CAACklB,EAAT,CAAY1jB,iBAAK,CAAC+c,yBAAlB,EAA6CmG,cAA7C;AACA1kB,YAAQ,CAACklB,EAAT,CAAY1jB,iBAAK,CAAC6f,iBAAlB,EAAqCqD,cAArC;AACA1kB,YAAQ,CAACklB,EAAT,CAAY1jB,iBAAK,CAACoc,WAAlB,EAA+B8G,cAA/B;AACA1kB,YAAQ,CAACklB,EAAT,CAAY1jB,iBAAK,CAACC,KAAlB,EAAyBijB,cAAzB;AACA1kB,YAAQ,CAACklB,EAAT,CAAY1jB,iBAAK,CAACkhB,qBAAlB,EAAyCgC,cAAzC;AACA1kB,YAAQ,CAACklB,EAAT,CAAY1jB,iBAAK,CAACmhB,qBAAlB,EAAyC+B,cAAzC;AACA1kB,YAAQ,CAACklB,EAAT,CAAY1jB,iBAAK,CAAC4c,cAAlB,EAAkCsG,cAAlC;AAEA,QAAMrX,aAAa,GAAG;AACpBi2B,SAAG,EAAE7P,mBAAW,CAACC,eAAZ,CAA4B,WAA5B,CADe;AAEpBnjB,UAAI,EAAEkjB,mBAAW,CAACC,eAAZ,CAA4B,YAA5B,CAFc;AAGpBljB,SAAG,EAAEijB,mBAAW,CAACC,eAAZ,CAA4B,yBAA5B;AAHe,KAAtB,CAxBoB,CA6BpB;AACA;;AACA,QAAMnX,MAAM,GAAG9Z,SAAS,CAAC8Z,MAAzB;;AACA,QAAItc,MAAM,CAACsjC,YAAP,IAAwB,OAAQC,MAAR,KAAoB,WAAhD,EAA8D;AAC5D7iC,sBAAM,CAACC,GAAP,CAAW,uBAAX;AACA,UAAI6iC,CAAJ;;AACA,UAAI;AACFA,SAAC,GAAG,KAAKA,CAAL,GAASC,kBAAI,CAACC,mBAAA,CAAgB,iEAAhB,CAAD,CAAjB;AACA,aAAKC,MAAL,GAAc,KAAKC,eAAL,CAAqBn5B,IAArB,CAA0B,IAA1B,CAAd;AACA+4B,SAAC,CAAC5e,gBAAF,CAAmB,SAAnB,EAA8B,KAAK+e,MAAnC;;AACAH,SAAC,CAACK,OAAF,GAAY,UAAUxf,KAAV,EAAiB;AAC3BgJ,aAAG,CAAC/rB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AAAEC,gBAAI,EAAEC,oBAAU,CAACysB,WAAnB;AAAgCvsB,mBAAO,EAAEC,sBAAY,CAACusB,kBAAtD;AAA0ErsB,iBAAK,EAAE,IAAjF;AAAuFsiB,iBAAK,EAAE,eAA9F;AAA+GpjB,eAAG,EAAE;AAAEI,qBAAO,EAAEgjB,KAAK,CAAChjB,OAAN,GAAgB,IAAhB,GAAuBgjB,KAAK,CAACyf,QAA7B,GAAwC,GAAxC,GAA8Czf,KAAK,CAAC0f,MAApD,GAA6D;AAAxE;AAApH,WAAzB;AACD,SAFD;;AAGAP,SAAC,CAAC7e,WAAF,CAAc;AAAEE,aAAG,EAAE,MAAP;AAAezX,uBAAa,EAAEA,aAA9B;AAA6CkP,gBAAM,EAAEA,MAArD;AAA6DlX,YAAE,EAAEA,EAAjE;AAAqEpF,gBAAM,EAAE8kB,IAAI,CAACkf,SAAL,CAAehkC,MAAf;AAA7E,SAAd;AACD,OARD,CAQE,OAAOiB,GAAP,EAAY;AACZP,wBAAM,CAACgN,IAAP,CAAY,kBAAZ,EAAgCzM,GAAhC;AACAP,wBAAM,CAACU,KAAP,CAAa,mEAAb;;AACA,YAAIoiC,CAAJ,EAAO;AACL;AACA5jC,gBAAM,CAACqkC,GAAP,CAAWC,eAAX,CAA2BV,CAAC,CAACW,SAA7B;AACD;;AACD,aAAKhhB,OAAL,GAAe,IAAID,yBAAJ,CAAkBnjB,QAAlB,EAA4BqN,aAA5B,EAA2CpN,MAA3C,EAAmDsc,MAAnD,CAAf;AACA,aAAKknB,CAAL,GAAS7jC,SAAT;AACD;AACF,KArBD,MAqBO;AACL,WAAKwjB,OAAL,GAAe,IAAID,yBAAJ,CAAkBnjB,QAAlB,EAA4BqN,aAA5B,EAA2CpN,MAA3C,EAAmDsc,MAAnD,CAAf;AACD;AACF;;;;SAED5c,O,GAAA,mBAAW;AACT,QAAI8jC,CAAC,GAAG,KAAKA,CAAb;;AACA,QAAIA,CAAJ,EAAO;AACLA,OAAC,CAACY,mBAAF,CAAsB,SAAtB,EAAiC,KAAKT,MAAtC;AACAH,OAAC,CAACa,SAAF;AACA,WAAKb,CAAL,GAAS,IAAT;AACD,KAJD,MAIO;AACL,UAAIrgB,OAAO,GAAG,KAAKA,OAAnB;;AACA,UAAIA,OAAJ,EAAa;AACXA,eAAO,CAACzjB,OAAR;AACA,aAAKyjB,OAAL,GAAe,IAAf;AACD;AACF;;AACD,QAAMpjB,QAAQ,GAAG,KAAKA,QAAtB;;AACA,QAAIA,QAAJ,EAAc;AACZA,cAAQ,CAACukC,kBAAT;AACA,WAAKvkC,QAAL,GAAgB,IAAhB;AACD;AACF,G;;SAED2E,I,GAAA,cAAMpK,IAAN,EAAYyK,WAAZ,EAAyB7C,UAAzB,EAAqC8C,UAArC,EAAiDqM,IAAjD,EAAuDpM,QAAvD,EAAiEgB,kBAAjE,EAAqFqd,cAArF,EAAqG;AACnG,QAAMkgB,CAAC,GAAG,KAAKA,CAAf;AACA,QAAMz9B,UAAU,GAAG,0CAAgBsL,IAAI,CAACgM,QAArB,IAAiChM,IAAI,CAACgM,QAAtC,GAAiDhM,IAAI,CAAC7C,KAAzE;AACA,QAAMrD,WAAW,GAAGkG,IAAI,CAAClG,WAAzB;AACA,QAAMo5B,QAAQ,GAAG,KAAKlzB,IAAtB;AACA,QAAM+R,aAAa,GAAG,EAAEmhB,QAAQ,IAAKlzB,IAAI,CAACue,EAAL,KAAY2U,QAAQ,CAAC3U,EAApC,CAAtB;AACA,QAAMvM,WAAW,GAAG,EAAEkhB,QAAQ,IAAKlzB,IAAI,CAAC2e,KAAL,KAAeuU,QAAQ,CAACvU,KAAvC,CAApB;AACA,QAAMwU,MAAM,GAAGD,QAAQ,IAAKlzB,IAAI,CAAC8I,EAAL,KAAaoqB,QAAQ,CAACpqB,EAAT,GAAc,CAAvD;AACA,QAAMnU,UAAU,GAAG,CAACqd,WAAD,IAAgBmhB,MAAnC;;AACA,QAAIphB,aAAJ,EAAmB;AACjB1iB,sBAAM,CAACC,GAAP,CAAc,KAAKyE,EAAnB;AACD;;AAED,QAAIie,WAAJ,EAAiB;AACf3iB,sBAAM,CAACC,GAAP,CAAc,KAAKyE,EAAnB;AACD;;AAED,SAAKiM,IAAL,GAAYA,IAAZ;;AACA,QAAImyB,CAAJ,EAAO;AACL;AACAA,OAAC,CAAC7e,WAAF,CAAc;AAAEE,WAAG,EAAE,OAAP;AAAgBvqB,YAAI,EAAJA,IAAhB;AAAsB6Q,mBAAW,EAAXA,WAAtB;AAAmCpG,mBAAW,EAAXA,WAAnC;AAAgD7C,kBAAU,EAAVA,UAAhD;AAA4D8C,kBAAU,EAAVA,UAA5D;AAAwEe,kBAAU,EAAVA,UAAxE;AAAoFqd,qBAAa,EAAbA,aAApF;AAAmGC,mBAAW,EAAXA,WAAnG;AAAgHrd,kBAAU,EAAVA,UAAhH;AAA4Hf,gBAAQ,EAARA,QAA5H;AAAsIgB,0BAAkB,EAAlBA,kBAAtI;AAA0Jqd,sBAAc,EAAdA;AAA1J,OAAd,EAA0LhpB,IAAI,YAAYmqC,WAAhB,GAA8B,CAACnqC,IAAD,CAA9B,GAAuC,EAAjO;AACD,KAHD,MAGO;AACL,UAAI6oB,OAAO,GAAG,KAAKA,OAAnB;;AACA,UAAIA,OAAJ,EAAa;AACXA,eAAO,CAACze,IAAR,CAAapK,IAAb,EAAmB6Q,WAAnB,EAAgCpG,WAAhC,EAA6C7C,UAA7C,EAAyD8C,UAAzD,EAAqEe,UAArE,EAAiFqd,aAAjF,EAAgGC,WAAhG,EAA6Grd,UAA7G,EAAyHf,QAAzH,EAAmIgB,kBAAnI,EAAuJqd,cAAvJ;AACD;AACF;AACF,G;;SAEDsgB,e,GAAA,yBAAiBlf,EAAjB,EAAqB;AACnB,QAAIpqB,IAAI,GAAGoqB,EAAE,CAACpqB,IAAd;AAAA,QACE+yB,GAAG,GAAG,KAAKA,GADb;;AAEA,YAAQ/yB,IAAI,CAAC+pB,KAAb;AACA,WAAK,MAAL;AACE;AACAzkB,cAAM,CAACqkC,GAAP,CAAWC,eAAX,CAA2B,KAAKV,CAAL,CAAOW,SAAlC;AACA;AACA;;AACF,WAAK5iC,iBAAK,CAAC6f,iBAAX;AACE9mB,YAAI,CAACA,IAAL,CAAUumB,KAAV,GAAkB,IAAI7Y,UAAJ,CAAe1N,IAAI,CAACumB,KAApB,CAAlB;;AACA,YAAIvmB,IAAI,CAACwmB,KAAT,EAAgB;AACdxmB,cAAI,CAACA,IAAL,CAAUwmB,KAAV,GAAkB,IAAI9Y,UAAJ,CAAe1N,IAAI,CAACwmB,KAApB,CAAlB;AACD;;AAED;;AACF;AACExmB,YAAI,CAACA,IAAL,GAAYA,IAAI,CAACA,IAAL,IAAa,EAAzB;AACAA,YAAI,CAACA,IAAL,CAAU+W,IAAV,GAAiB,KAAKA,IAAtB;AACA/W,YAAI,CAACA,IAAL,CAAU8K,EAAV,GAAe,KAAKA,EAApB;AACAioB,WAAG,CAAC/rB,OAAJ,CAAYhH,IAAI,CAAC+pB,KAAjB,EAAwB/pB,IAAI,CAACA,IAA7B;AACA;AAlBF;AAoBD,G;;;;;AAGY8oC,iEAAf,E;;;;;;;ACtJA;;;;;;;;AASA;AAEO,SAASsB,UAAT,CAAqB1U,KAArB,EAA4BvuB,IAA5B,EAAkC2D,EAAlC,EAAsC;AAC3C,UAAQ3D,IAAR;AACA,SAAK,OAAL;AACE,UAAI,CAACuuB,KAAK,CAAC2U,aAAX,EAA0B;AACxB3U,aAAK,CAAC2U,aAAN,GAAsB,EAAtB;AACD;;AACD3U,WAAK,CAAC2U,aAAN,CAAoBjgC,IAApB,CAAyBU,EAAzB;AACA;;AACF,SAAK,MAAL;AACE,UAAI,CAAC4qB,KAAK,CAAC4U,YAAX,EAAyB;AACvB5U,aAAK,CAAC4U,YAAN,GAAqB,EAArB;AACD;;AACD5U,WAAK,CAAC4U,YAAN,CAAmBlgC,IAAnB,CAAwBU,EAAxB;AACA;AAZF;AAcD;AAEM,SAASy/B,SAAT,CAAoBzT,SAApB,EAA+B0T,OAA/B,EAAwCC,KAAxC,EAA+C;AACpD,MAAIC,QAAQ,GAAG5T,SAAS,CAAC0T,OAAD,CAAxB;AAAA,MAAmCG,MAAM,GAAG7T,SAAS,CAAC2T,KAAD,CAArD;AAAA,MAA8DG,SAAS,GAAGD,MAAM,CAAC5nB,QAAjF,CADoD,CAEpD;;AACA,MAAI,0CAAgB6nB,SAAhB,CAAJ,EAAgC;AAC9B;AACA;AACA,QAAIH,KAAK,GAAGD,OAAZ,EAAqB;AACnBE,cAAQ,CAAC//B,QAAT,GAAoBigC,SAAS,GAAGF,QAAQ,CAACx2B,KAAzC;;AACA,UAAIw2B,QAAQ,CAAC//B,QAAT,GAAoB,CAAxB,EAA2B;AACzBvE,wBAAM,CAACgN,IAAP,0CAAmDs3B,QAAQ,CAAC7qB,EAA5D,eAAwE6qB,QAAQ,CAAChV,KAAjF;AACD;AACF,KALD,MAKO;AACLiV,YAAM,CAAChgC,QAAP,GAAkB+/B,QAAQ,CAACx2B,KAAT,GAAiB02B,SAAnC;;AACA,UAAID,MAAM,CAAChgC,QAAP,GAAkB,CAAtB,EAAyB;AACvBvE,wBAAM,CAACgN,IAAP,0CAAmDu3B,MAAM,CAAC9qB,EAA1D,eAAsE8qB,MAAM,CAACjV,KAA7E;AACD;AACF;AACF,GAdD,MAcO;AACL;AACA,QAAI+U,KAAK,GAAGD,OAAZ,EAAqB;AACnBG,YAAM,CAACz2B,KAAP,GAAew2B,QAAQ,CAACx2B,KAAT,GAAiBw2B,QAAQ,CAAC//B,QAAzC;AACD,KAFD,MAEO;AACLggC,YAAM,CAACz2B,KAAP,GAAetG,IAAI,CAAC+U,GAAL,CAAS+nB,QAAQ,CAACx2B,KAAT,GAAiBy2B,MAAM,CAAChgC,QAAjC,EAA2C,CAA3C,CAAf;AACD;AACF;AACF;AAEM,SAASkgC,gBAAT,CAA2BvjC,OAA3B,EAAoCyP,IAApC,EAA0CgM,QAA1C,EAAoDD,MAApD,EAA4D2D,QAA5D,EAAsEC,MAAtE,EAA8E;AACnF;AACA,MAAIokB,WAAW,GAAG/nB,QAAlB;;AACA,MAAI,0CAAgBhM,IAAI,CAACgM,QAArB,CAAJ,EAAoC;AAClC;AACA,QAAIkS,QAAQ,GAAGrnB,IAAI,CAAC4N,GAAL,CAASzE,IAAI,CAACgM,QAAL,GAAgBA,QAAzB,CAAf;;AACA,QAAI,CAAC,0CAAgBhM,IAAI,CAACke,QAArB,CAAL,EAAqC;AACnCle,UAAI,CAACke,QAAL,GAAgBA,QAAhB;AACD,KAFD,MAEO;AACLle,UAAI,CAACke,QAAL,GAAgBrnB,IAAI,CAAC+U,GAAL,CAASsS,QAAT,EAAmBle,IAAI,CAACke,QAAxB,CAAhB;AACD;;AAED6V,eAAW,GAAGl9B,IAAI,CAAC+U,GAAL,CAASI,QAAT,EAAmBhM,IAAI,CAACgM,QAAxB,CAAd;AACAA,YAAQ,GAAGnV,IAAI,CAACC,GAAL,CAASkV,QAAT,EAAmBhM,IAAI,CAACgM,QAAxB,CAAX;AACAD,UAAM,GAAGlV,IAAI,CAAC+U,GAAL,CAASG,MAAT,EAAiB/L,IAAI,CAAC+L,MAAtB,CAAT;AACA2D,YAAQ,GAAG7Y,IAAI,CAACC,GAAL,CAAS4Y,QAAT,EAAmB1P,IAAI,CAAC0P,QAAxB,CAAX;AACAC,UAAM,GAAG9Y,IAAI,CAAC+U,GAAL,CAAS+D,MAAT,EAAiB3P,IAAI,CAAC2P,MAAtB,CAAT;AACD;;AAED,MAAMqkB,KAAK,GAAGhoB,QAAQ,GAAGhM,IAAI,CAAC7C,KAA9B;AACA6C,MAAI,CAAC7C,KAAL,GAAa6C,IAAI,CAACgM,QAAL,GAAgBA,QAA7B;AACAhM,MAAI,CAAC+zB,WAAL,GAAmBA,WAAnB;AACA/zB,MAAI,CAAC+L,MAAL,GAAcA,MAAd;AACA/L,MAAI,CAAC0P,QAAL,GAAgBA,QAAhB;AACA1P,MAAI,CAAC2P,MAAL,GAAcA,MAAd;AACA3P,MAAI,CAACpM,QAAL,GAAgBmY,MAAM,GAAGC,QAAzB;AAEA,MAAMlD,EAAE,GAAG9I,IAAI,CAAC8I,EAAhB,CA3BmF,CA4BnF;;AACA,MAAI,CAACvY,OAAD,IAAYuY,EAAE,GAAGvY,OAAO,CAAC4vB,OAAzB,IAAoCrX,EAAE,GAAGvY,OAAO,CAACuvB,KAArD,EAA4D;AAC1D,WAAO,CAAP;AACD;;AAED,MAAImU,OAAJ,EAAalU,SAAb,EAAwBp1B,CAAxB;AACAspC,SAAO,GAAGnrB,EAAE,GAAGvY,OAAO,CAAC4vB,OAAvB;AACAJ,WAAS,GAAGxvB,OAAO,CAACwvB,SAApB,CAnCmF,CAoCnF;AACA;AACA;AACA;AACA;;AACAA,WAAS,CAACkU,OAAD,CAAT,GAAqBj0B,IAArB,CAzCmF,CA0CnF;;AACA,OAAKrV,CAAC,GAAGspC,OAAT,EAAkBtpC,CAAC,GAAG,CAAtB,EAAyBA,CAAC,EAA1B,EAA8B;AAC5B6oC,aAAS,CAACzT,SAAD,EAAYp1B,CAAZ,EAAeA,CAAC,GAAG,CAAnB,CAAT;AACD,GA7CkF,CA+CnF;;;AACA,OAAKA,CAAC,GAAGspC,OAAT,EAAkBtpC,CAAC,GAAGo1B,SAAS,CAAC/zB,MAAV,GAAmB,CAAzC,EAA4CrB,CAAC,EAA7C,EAAiD;AAC/C6oC,aAAS,CAACzT,SAAD,EAAYp1B,CAAZ,EAAeA,CAAC,GAAG,CAAnB,CAAT;AACD;;AAED4F,SAAO,CAAC2jC,QAAR,GAAmB,IAAnB;AACA,SAAOF,KAAP;AACD;AAEM,SAASG,YAAT,CAAuBC,UAAvB,EAAmCC,UAAnC,EAA+C;AACpD;AACA,MAAIA,UAAU,CAAC3gC,WAAX,IAA0B0gC,UAAU,CAAC1gC,WAAzC,EAAsD;AACpD2gC,cAAU,CAAC3gC,WAAX,GAAyB0gC,UAAU,CAAC1gC,WAApC;AACD,GAJmD,CAMpD;AACA;;;AACA,MAAI4gC,QAAQ,GAAG,CAAf;AACA,MAAIC,OAAJ;AACAC,yBAAuB,CAACJ,UAAD,EAAaC,UAAb,EAAyB,UAACI,OAAD,EAAUC,OAAV,EAAsB;AACpEJ,YAAQ,GAAGG,OAAO,CAAClW,EAAR,GAAamW,OAAO,CAACnW,EAAhC;;AACA,QAAI,0CAAgBkW,OAAO,CAACzoB,QAAxB,CAAJ,EAAuC;AACrC0oB,aAAO,CAACv3B,KAAR,GAAgBu3B,OAAO,CAAC1oB,QAAR,GAAmByoB,OAAO,CAACzoB,QAA3C;AACA0oB,aAAO,CAAC3oB,MAAR,GAAiB0oB,OAAO,CAAC1oB,MAAzB;AACA2oB,aAAO,CAAC9gC,QAAR,GAAmB6gC,OAAO,CAAC7gC,QAA3B;AACA8gC,aAAO,CAACC,WAAR,GAAsBF,OAAO,CAACE,WAA9B;AACAD,aAAO,CAACj4B,OAAR,GAAkBg4B,OAAO,CAACh4B,OAA1B;AACA83B,aAAO,GAAGG,OAAV;AACD,KATmE,CAUpE;;;AACAL,cAAU,CAACH,QAAX,GAAsB,IAAtB;AACD,GAZsB,CAAvB;;AAcA,MAAI,CAACG,UAAU,CAACH,QAAhB,EAA0B;AACxB;AACD;;AAED,MAAII,QAAJ,EAAc;AACZjlC,oBAAM,CAACC,GAAP,CAAW,8DAAX;AACA,QAAMslC,YAAY,GAAGP,UAAU,CAACtU,SAAhC;;AACA,SAAK,IAAIp1B,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGiqC,YAAY,CAAC5oC,MAAjC,EAAyCrB,CAAC,EAA1C,EAA8C;AAC5CiqC,kBAAY,CAACjqC,CAAD,CAAZ,CAAgB4zB,EAAhB,IAAsB+V,QAAtB;AACD;AACF,GAlCmD,CAoCpD;;;AACA,MAAIC,OAAJ,EAAa;AACXT,oBAAgB,CAACO,UAAD,EAAaE,OAAb,EAAsBA,OAAO,CAACvoB,QAA9B,EAAwCuoB,OAAO,CAACxoB,MAAhD,EAAwDwoB,OAAO,CAAC7kB,QAAhE,EAA0E6kB,OAAO,CAAC5kB,MAAlF,CAAhB;AACD,GAFD,MAEO;AACL;AACA;AACA;AACAklB,iBAAa,CAACT,UAAD,EAAaC,UAAb,CAAb;AACD,GA5CmD,CA6CpD;AACA;;;AACAA,YAAU,CAACH,QAAX,GAAsBE,UAAU,CAACF,QAAjC;AACD;AAEM,SAASY,sBAAT,CAAiCC,WAAjC,EAA8CC,WAA9C,EAA2DC,cAA3D,EAA+E;AAAA,MAApBA,cAAoB;AAApBA,kBAAoB,GAAH,CAAG;AAAA;;AACpF,MAAIrT,SAAS,GAAG,CAAC,CAAjB;AACA4S,yBAAuB,CAACO,WAAD,EAAcC,WAAd,EAA2B,UAACP,OAAD,EAAUC,OAAV,EAAmBvjB,KAAnB,EAA6B;AAC7EujB,WAAO,CAACv3B,KAAR,GAAgBs3B,OAAO,CAACt3B,KAAxB;AACAykB,aAAS,GAAGzQ,KAAZ;AACD,GAHsB,CAAvB;AAKA,MAAM+jB,KAAK,GAAGF,WAAW,CAACjV,SAA1B;;AACA,MAAI6B,SAAS,GAAG,CAAhB,EAAmB;AACjBsT,SAAK,CAACzzB,OAAN,CAAc,UAAAzB,IAAI,EAAI;AACpBA,UAAI,CAAC7C,KAAL,IAAc83B,cAAd;AACD,KAFD;AAGA;AACD;;AAED,OAAK,IAAItqC,CAAC,GAAGi3B,SAAS,GAAG,CAAzB,EAA4Bj3B,CAAC,GAAGuqC,KAAK,CAAClpC,MAAtC,EAA8CrB,CAAC,EAA/C,EAAmD;AACjDuqC,SAAK,CAACvqC,CAAD,CAAL,CAASwS,KAAT,GAAkB+3B,KAAK,CAACvqC,CAAC,GAAG,CAAL,CAAL,CAAawS,KAAb,GAAqB+3B,KAAK,CAACvqC,CAAC,GAAG,CAAL,CAAL,CAAaiJ,QAApD;AACD;AACF;AAEM,SAAS4gC,uBAAT,CAAkCO,WAAlC,EAA+CC,WAA/C,EAA4DG,cAA5D,EAA4E;AACjF,MAAI,CAACJ,WAAD,IAAgB,CAACC,WAArB,EAAkC;AAChC;AACD;;AAED,MAAM73B,KAAK,GAAGtG,IAAI,CAAC+U,GAAL,CAASmpB,WAAW,CAAC5U,OAArB,EAA8B6U,WAAW,CAAC7U,OAA1C,IAAqD6U,WAAW,CAAC7U,OAA/E;AACA,MAAMpP,GAAG,GAAGla,IAAI,CAACC,GAAL,CAASi+B,WAAW,CAACjV,KAArB,EAA4BkV,WAAW,CAAClV,KAAxC,IAAiDkV,WAAW,CAAC7U,OAAzE;AACA,MAAM/R,KAAK,GAAG4mB,WAAW,CAAC7U,OAAZ,GAAsB4U,WAAW,CAAC5U,OAAhD;;AAEA,OAAK,IAAIx1B,CAAC,GAAGwS,KAAb,EAAoBxS,CAAC,IAAIomB,GAAzB,EAA8BpmB,CAAC,EAA/B,EAAmC;AACjC,QAAM8pC,OAAO,GAAGM,WAAW,CAAChV,SAAZ,CAAsB3R,KAAK,GAAGzjB,CAA9B,CAAhB;AACA,QAAM+pC,OAAO,GAAGM,WAAW,CAACjV,SAAZ,CAAsBp1B,CAAtB,CAAhB;;AACA,QAAI,CAAC8pC,OAAD,IAAY,CAACC,OAAjB,EAA0B;AACxB;AACD;;AACDS,kBAAc,CAACV,OAAD,EAAUC,OAAV,EAAmB/pC,CAAnB,CAAd;AACD;AACF;AAEM,SAASkqC,aAAT,CAAwBE,WAAxB,EAAqCC,WAArC,EAAkD;AACvD,MAAM5mB,KAAK,GAAG4mB,WAAW,CAAC7U,OAAZ,GAAsB4U,WAAW,CAAC5U,OAAhD;AACA,MAAMiV,YAAY,GAAGL,WAAW,CAAChV,SAAjC;AACA,MAAM6U,YAAY,GAAGI,WAAW,CAACjV,SAAjC;;AAEA,MAAI3R,KAAK,GAAG,CAAR,IAAaA,KAAK,GAAGgnB,YAAY,CAACppC,MAAtC,EAA8C;AAC5C;AACD;;AACD,OAAK,IAAIrB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGiqC,YAAY,CAAC5oC,MAAjC,EAAyCrB,CAAC,EAA1C,EAA8C;AAC5CiqC,gBAAY,CAACjqC,CAAD,CAAZ,CAAgBwS,KAAhB,IAAyBi4B,YAAY,CAAChnB,KAAD,CAAZ,CAAoBjR,KAA7C;AACD;AACF;AAEM,SAASk4B,qBAAT,CAAgCC,eAAhC,EAAiDN,WAAjD,EAA8DO,eAA9D,EAA+E;AACpF,MAAIC,cAAc,GAAG,QAAQR,WAAW,CAAC3O,qBAAZ,GAAoC2O,WAAW,CAAC3O,qBAAhD,GAAwE2O,WAAW,CAAC3U,cAA5F,CAArB;AACA,MAAMoV,iBAAiB,GAAGD,cAAc,GAAG,CAA3C;;AACA,MAAIF,eAAe,IAAIN,WAAW,CAAClV,KAAZ,KAAsBwV,eAAe,CAACxV,KAA7D,EAAoE;AAClE;AACA;AACA;AACA0V,kBAAc,GAAGC,iBAAjB;AACD;;AAED,MAAIF,eAAJ,EAAqB;AACnBC,kBAAc,GAAG3+B,IAAI,CAAC+U,GAAL,CAAS6pB,iBAAT,EAA4BD,cAAc,IAAI7O,MAAM,CAAChV,WAAP,CAAmBD,GAAnB,KAA2B6jB,eAA/B,CAA1C,CAAjB;AACD,GAZmF,CAapF;;;AACA,SAAO1+B,IAAI,CAAC6J,KAAL,CAAW80B,cAAX,CAAP;AACD,C;;ACpOD;;;AAIA,IAAME,UAAU,GAAG;AACjBhzB,UAAQ,EAAE,kBAAUizB,CAAV,EAAyB;AACjC,QAAIrmC,GAAG,GAAG,EAAV;AACA,QAAI4E,GAAG,GAAGyhC,CAAC,CAAC3pC,MAAZ;;AACA,SAAK,IAAIrB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGuJ,GAApB,EAAyBvJ,CAAC,EAA1B,EAA8B;AAC5B2E,SAAG,IAAI,MAAMqmC,CAAC,CAACx4B,KAAF,CAAQxS,CAAR,EAAWirC,OAAX,CAAmB,CAAnB,CAAN,GAA8B,GAA9B,GAAoCD,CAAC,CAAC5kB,GAAF,CAAMpmB,CAAN,EAASirC,OAAT,CAAiB,CAAjB,CAApC,GAA0D,GAAjE;AACD;;AAED,WAAOtmC,GAAP;AACD;AATgB,CAAnB;AAYeomC,0DAAf,E;;;AChBA;AACA;AAEO,SAASG,mBAAT,CAA8B9V,SAA9B,EAAyCxB,EAAzC,EAA6C;AAClD,MAAIuX,SAAS,GAAG,IAAhB;;AAEA,OAAK,IAAInrC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGo1B,SAAS,CAAC/zB,MAA9B,EAAsCrB,CAAC,IAAI,CAA3C,EAA8C;AAC5C,QAAMorC,WAAW,GAAGhW,SAAS,CAACp1B,CAAD,CAA7B;;AACA,QAAIorC,WAAW,IAAIA,WAAW,CAACxX,EAAZ,KAAmBA,EAAtC,EAA0C;AACxCuX,eAAS,GAAGC,WAAZ;AACA;AACD;AACF;;AAED,SAAOD,SAAP;AACD;AAEM,SAASE,cAAT,CAAyBjW,SAAzB,EAAoCkW,EAApC,EAAwC;AAC7C,SAAOhG,aAAY,CAACC,MAAb,CAAoBnQ,SAApB,EAA+B,UAACmW,SAAD,EAAe;AACnD,QAAIA,SAAS,CAAC3X,EAAV,GAAe0X,EAAnB,EAAuB;AACrB,aAAO,CAAP;AACD,KAFD,MAEO,IAAIC,SAAS,CAAC3X,EAAV,GAAe0X,EAAnB,EAAuB;AAC5B,aAAO,CAAC,CAAR;AACD,KAFM,MAEA;AACL,aAAO,CAAP;AACD;AACF,GARM,CAAP;AASD;AAEM,SAASE,4BAAT,CAAuCjD,QAAvC,EAAiDkD,SAAjD,EAA4D7lC,OAA5D,EAAqE;AAC1E,MAAI8lC,WAAW,GAAG,KAAlB;;AACA,MAAID,SAAS,IAAIA,SAAS,CAAC7lC,OAAvB,IAAkCA,OAAtC,EAA+C;AAC7C,QAAIA,OAAO,CAACsvB,KAAR,GAAgBtvB,OAAO,CAAC2vB,OAAxB,IAAoCgT,QAAQ,IAAIA,QAAQ,CAAC3U,EAAT,GAAchuB,OAAO,CAAC2vB,OAA1E,EAAoF;AAClFmW,iBAAW,GAAG,IAAd;AACD;AACF;;AACD,SAAOA,WAAP;AACD,C,CAED;;AACO,SAASC,8BAAT,CAAyCC,WAAzC,EAAsDC,UAAtD,EAAkE;AACvE,MAAMC,SAAS,GAAGF,WAAW,CAACxW,SAA9B;AACA,MAAM2W,QAAQ,GAAGF,UAAU,CAACzW,SAA5B;;AAEA,MAAI,CAAC2W,QAAQ,CAAC1qC,MAAV,IAAoB,CAACyqC,SAAS,CAACzqC,MAAnC,EAA2C;AACzCqD,oBAAM,CAACC,GAAP,CAAW,uBAAX;AACA;AACD;;AAED,MAAMqnC,aAAa,GAAGd,mBAAmB,CAACY,SAAD,EAAYC,QAAQ,CAAC,CAAD,CAAR,CAAYnY,EAAxB,CAAzC;;AAEA,MAAI,CAACoY,aAAD,IAAmBA,aAAa,IAAI,CAACA,aAAa,CAAC3qB,QAAvD,EAAkE;AAChE3c,oBAAM,CAACC,GAAP,CAAW,uCAAX;AACA;AACD;;AAED,SAAOqnC,aAAP;AACD;AAEM,SAASC,SAAT,CAAoBC,OAApB,EAA6BtmC,OAA7B,EAAsC;AAC3CA,SAAO,CAACwvB,SAAR,CAAkBte,OAAlB,CAA0B,UAACzB,IAAD,EAAU;AAClC,QAAIA,IAAJ,EAAU;AACR,UAAI7C,KAAK,GAAG6C,IAAI,CAAC7C,KAAL,GAAa05B,OAAzB;AACA72B,UAAI,CAAC7C,KAAL,GAAa6C,IAAI,CAACgM,QAAL,GAAgB7O,KAA7B;AACA6C,UAAI,CAAC+L,MAAL,GAAc5O,KAAK,GAAG6C,IAAI,CAACpM,QAA3B;AACD;AACF,GAND;AAOArD,SAAO,CAAC2jC,QAAR,GAAmB,IAAnB;AACD;AAED;;;;;;;;;;;AAUO,SAAS4C,WAAT,CAAsB5D,QAAtB,EAAgCkD,SAAhC,EAA2C7lC,OAA3C,EAAoD;AACzDwmC,sBAAoB,CAAC7D,QAAD,EAAW3iC,OAAX,EAAoB6lC,SAApB,CAApB;;AACA,MAAI,CAAC7lC,OAAO,CAAC2jC,QAAT,IAAqBkC,SAAzB,EAAoC;AAClC;AACA;AACA;AACAY,YAAQ,CAACzmC,OAAD,EAAU6lC,SAAS,CAAC7lC,OAApB,CAAR;AACD;AACF;AAED;;;;;;;AAMO,SAASwmC,oBAAT,CAA+B7D,QAA/B,EAAyC3iC,OAAzC,EAAkD6lC,SAAlD,EAA6D;AAClE,MAAID,4BAA4B,CAACjD,QAAD,EAAWkD,SAAX,EAAsB7lC,OAAtB,CAAhC,EAAgE;AAC9D,QAAM0mC,aAAa,GAAGX,8BAA8B,CAACF,SAAS,CAAC7lC,OAAX,EAAoBA,OAApB,CAApD;;AACA,QAAI0mC,aAAJ,EAAmB;AACjB5nC,sBAAM,CAACC,GAAP,CAAW,wEAAX;AACAsnC,eAAS,CAACK,aAAa,CAAC95B,KAAf,EAAsB5M,OAAtB,CAAT;AACD;AACF;AACF;AAED;;;;;;AAKO,SAASymC,QAAT,CAAmBzmC,OAAnB,EAA4B2mC,WAA5B,EAAyC;AAC9C,MAAIA,WAAW,IAAIA,WAAW,CAACnX,SAAZ,CAAsB/zB,MAAzC,EAAiD;AAC/C,QAAI,CAACuE,OAAO,CAAC4mC,kBAAT,IAA+B,CAACD,WAAW,CAACC,kBAAhD,EAAoE;AAClE;AACD,KAH8C,CAI/C;AACA;AACA;;;AACA,QAAIC,OAAO,GAAGF,WAAW,CAACnX,SAAZ,CAAsB,CAAtB,EAAyB3B,eAAvC;AACA,QAAIiZ,MAAM,GAAG9mC,OAAO,CAACwvB,SAAR,CAAkB,CAAlB,EAAqB3B,eAAlC,CAR+C,CAS/C;;AACA,QAAIyY,OAAO,GAAG,CAACQ,MAAM,GAAGD,OAAV,IAAqB,IAArB,GAA4BF,WAAW,CAACnX,SAAZ,CAAsB,CAAtB,EAAyB5iB,KAAnE;;AACA,QAAI,0CAAgB05B,OAAhB,CAAJ,EAA8B;AAC5BxnC,sBAAM,CAACC,GAAP,yDAAiEunC,OAAO,CAACjB,OAAR,CAAgB,CAAhB,CAAjE;AACAgB,eAAS,CAACC,OAAD,EAAUtmC,OAAV,CAAT;AACD;AACF;AACF,C;;;AChID;;AAGA;;;;;;;AAOO,SAAS+mC,iBAAT,CAA4BvX,SAA5B,EAAwDwX,QAAxD,EAAiF7F,sBAAjF,EAAkI;AACvI,MAAI6F,QAAQ,KAAK,IAAb,IAAqB,CAAC9lC,KAAK,CAAC+lC,OAAN,CAAczX,SAAd,CAAtB,IAAkD,CAACA,SAAS,CAAC/zB,MAA7D,IAAuE,CAAC,0CAAgBurC,QAAhB,CAA5E,EAAuG;AACrG,WAAO,IAAP;AACD,GAHsI,CAKvI;;;AACA,MAAME,QAAQ,GAAG1X,SAAS,CAAC,CAAD,CAAT,CAAa3B,eAA9B;;AACA,MAAImZ,QAAQ,IAAIE,QAAQ,IAAI,CAAhB,CAAZ,EAAgC;AAC9B,WAAO,IAAP;AACD;;AAED,MAAMC,MAAM,GAAG3X,SAAS,CAACA,SAAS,CAAC/zB,MAAV,GAAmB,CAApB,CAAT,CAAgC06B,kBAA/C;;AACA,MAAI6Q,QAAQ,KAAKG,MAAM,IAAI,CAAf,CAAZ,EAA+B;AAC7B,WAAO,IAAP;AACD;;AAEDhG,wBAAsB,GAAGA,sBAAsB,IAAI,CAAnD;;AACA,OAAK,IAAIiG,GAAG,GAAG,CAAf,EAAkBA,GAAG,GAAG5X,SAAS,CAAC/zB,MAAlC,EAA0C,EAAE2rC,GAA5C,EAAiD;AAC/C,QAAI33B,IAAI,GAAG+f,SAAS,CAAC4X,GAAD,CAApB;;AACA,QAAIC,sBAAsB,CAACL,QAAD,EAAW7F,sBAAX,EAAmC1xB,IAAnC,CAA1B,EAAoE;AAClE,aAAOA,IAAP;AACD;AACF;;AAED,SAAO,IAAP;AACD;AAED;;;;;;;;;;;AAUO,SAAS63B,iBAAT,CAA4BC,YAA5B,EAAoD/X,SAApD,EAAgFyR,SAAhF,EAAuGE,sBAAvG,EAA4J;AAAA,MAA5EF,SAA4E;AAA5EA,aAA4E,GAAxD,CAAwD;AAAA;;AAAA,MAArDE,sBAAqD;AAArDA,0BAAqD,GAApB,CAAoB;AAAA;;AACjK,MAAMqG,QAAQ,GAAGD,YAAY,GAAG/X,SAAS,CAAC+X,YAAY,CAAChvB,EAAb,GAA6BiX,SAAS,CAAC,CAAD,CAAT,CAAajX,EAA1C,GAA0D,CAA3D,CAAZ,GAA4E,IAAzG,CADiK,CAEjK;;AACA,MAAIivB,QAAQ,IAAI,CAACC,2BAA2B,CAACxG,SAAD,EAAYE,sBAAZ,EAAoCqG,QAApC,CAA5C,EAA2F;AACzF,WAAOA,QAAP;AACD;;AACD,SAAO9H,aAAY,CAACC,MAAb,CAAoBnQ,SAApB,EAA+BiY,2BAA2B,CAAC5+B,IAA5B,CAAiC,IAAjC,EAAuCo4B,SAAvC,EAAkDE,sBAAlD,CAA/B,CAAP;AACD;AAED;;;;;;;;AAOO,SAASsG,2BAAT,CAAsCxG,SAAtC,EAAqDE,sBAArD,EAAiFwE,SAAjF,EAAsG;AAAA,MAAhE1E,SAAgE;AAAhEA,aAAgE,GAApD,CAAoD;AAAA;;AAAA,MAAjDE,sBAAiD;AAAjDA,0BAAiD,GAAxB,CAAwB;AAAA;;AAC3G;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,MAAIuG,wBAAwB,GAAGphC,IAAI,CAACC,GAAL,CAAS46B,sBAAT,EAAiCwE,SAAS,CAACtiC,QAAV,IAAsBsiC,SAAS,CAAChY,QAAV,GAAqBgY,SAAS,CAAChY,QAA/B,GAA0C,CAAhE,CAAjC,CAA/B;;AACA,MAAIgY,SAAS,CAAC/4B,KAAV,GAAkB+4B,SAAS,CAACtiC,QAA5B,GAAuCqkC,wBAAvC,IAAmEzG,SAAvE,EAAkF;AAChF,WAAO,CAAP;AACD,GAFD,MAEO,IAAI0E,SAAS,CAAC/4B,KAAV,GAAkB86B,wBAAlB,GAA6CzG,SAA7C,IAA0D0E,SAAS,CAAC/4B,KAAxE,EAA+E;AACpF;AACA,WAAO,CAAC,CAAR;AACD;;AAED,SAAO,CAAP;AACD;AAED;;;;;;;;;AAQO,SAASy6B,sBAAT,CAAiCM,YAAjC,EAAuDxG,sBAAvD,EAAuFwE,SAAvF,EAAqH;AAC1H,MAAI+B,wBAAwB,GAAGphC,IAAI,CAACC,GAAL,CAAS46B,sBAAT,EAAiCwE,SAAS,CAACtiC,QAAV,IAAsBsiC,SAAS,CAAChY,QAAV,GAAqBgY,SAAS,CAAChY,QAA/B,GAA0C,CAAhE,CAAjC,IAAuG,IAAtI,CAD0H,CAG1H;;AACA,MAAMwI,kBAAkB,GAAGwP,SAAS,CAACxP,kBAAV,IAAgC,CAA3D;AACA,SAAOA,kBAAkB,GAAGuR,wBAArB,GAAgDC,YAAvD;AACD,C;;ACvGD;AACA;AACA;AACA;AAEO,IAAMC,yBAAyB,GAAG,GAAlC;AACA,IAAMC,kBAAkB,GAAG,GAA3B;AACA,IAAMC,6BAA6B,GAAG,GAAtC;AACA,IAAMC,uBAAuB,GAAG,IAAhC;;IAEcC,4B;;;AACnB,yBAAa5pC,MAAb,EAAqB21B,KAArB,EAA4BkU,eAA5B,EAA6Cxc,GAA7C,EAAkD;AAChD,SAAKrtB,MAAL,GAAcA,MAAd;AACA,SAAK21B,KAAL,GAAaA,KAAb;AACA,SAAKkU,eAAL,GAAuBA,eAAvB;AACA,SAAKxc,GAAL,GAAWA,GAAX;AACA,SAAKyc,UAAL,GAAkB,CAAlB;AACA,SAAKC,aAAL,GAAqB,KAArB;AACA,SAAKC,OAAL,GAAe,IAAf;AACA,SAAKC,KAAL,GAAa,KAAb;AACA,SAAKC,OAAL,GAAe,KAAf;AACD;AAED;;;;;;;;;;SAMAC,I,GAAA,cAAMC,eAAN,EAAuB;AAAA,QACbpqC,MADa,GACc,IADd,CACbA,MADa;AAAA,QACL21B,KADK,GACc,IADd,CACLA,KADK;AAAA,QACEqU,OADF,GACc,IADd,CACEA,OADF;AAAA,QAEbhH,WAFa,GAEYrN,KAFZ,CAEbqN,WAFa;AAAA,QAEAkH,OAFA,GAEYvU,KAFZ,CAEAuU,OAFA;AAGrB,QAAMG,MAAM,GAAG,KAAKH,OAAL,IAAgB,CAACA,OAAhC;AACA,QAAMI,SAAS,GAAG,CAAC,KAAKJ,OAAN,IAAiBA,OAAnC;AAEA,SAAKA,OAAL,GAAeA,OAAf,CANqB,CAQrB;;AACA,QAAIlH,WAAW,KAAKoH,eAApB,EAAqC;AACnC,WAAKH,KAAL,GAAa,IAAb;;AACA,UAAID,OAAO,KAAK,IAAhB,EAAsB;AACpB;AACA,YAAI,KAAKD,aAAT,EAAwB;AACtB,cAAMQ,gBAAe,GAAGpmB,IAAI,CAACnB,WAAL,CAAiBD,GAAjB,KAAyBinB,OAAjD;;AACAtpC,0BAAM,CAACgN,IAAP,kCAA2Cs1B,WAA3C,gBAAiE96B,IAAI,CAAC6J,KAAL,CAAWw4B,gBAAX,CAAjE;AACA,eAAKR,aAAL,GAAqB,KAArB;AACD;;AACD,aAAKC,OAAL,GAAe,IAAf;AACA,aAAKF,UAAL,GAAkB,CAAlB;AACD;;AACD;AACD,KAtBoB,CAwBrB;;;AACA,QAAIQ,SAAS,IAAID,MAAjB,EAAyB;AACvB,WAAKL,OAAL,GAAe,IAAf;AACD;;AA3BoB,QA6BbQ,mBA7Ba,GA6BW,KAAKxqC,MA7BhB,CA6BbwqC,mBA7Ba;;AA8BrB,QAAIA,mBAAmB,KAAKN,OAAO,IAAIG,MAAhB,CAAvB,EAAgD;AAC9C,WAAKI,2BAAL;AACD,KAhCoB,CAkCrB;;;AACA,QAAI9U,KAAK,CAAC+U,MAAN,IAAgB/U,KAAK,CAACgV,KAAtB,IAA+BhV,KAAK,CAACiV,YAAN,KAAuB,CAAtD,IAA2D,CAACjV,KAAK,CAAC8J,QAAN,CAAepiC,MAA/E,EAAuF;AACrF;AACD;;AAED,QAAM4kC,UAAU,GAAGF,YAAY,CAACE,UAAb,CAAwBtM,KAAxB,EAA+BqN,WAA/B,EAA4C,CAA5C,CAAnB;AACA,QAAMhB,UAAU,GAAGC,UAAU,CAAC18B,GAAX,GAAiB,CAApC;AACA,QAAM88B,SAAS,GAAGJ,UAAU,CAACI,SAAX,IAAwB,CAA1C,CAzCqB,CA2CrB;;AACA,QAAI,CAACL,UAAD,IAAe,CAACK,SAApB,EAA+B;AAC7B;AACD;;AAED,QAAI6H,OAAJ,EAAa;AACX;AACA,UAAMW,eAAe,GAAG5I,UAAU,CAAC18B,GAAX,GAAiBkkC,kBAAzC,CAFW,CAGX;;AACA,UAAMqB,WAAW,GAAG,CAACzI,SAAD,IAAcA,SAAS,GAAGW,WAAZ,GAA0ByG,kBAA5D;;AACA,UAAIoB,eAAe,IAAIC,WAAvB,EAAoC;AAClC;AACD,OAPU,CAQX;;;AACA,WAAKb,KAAL,GAAa,KAAb;AACD,KA1DoB,CA4DrB;AACA;;;AACA,QAAI,CAAC,KAAKA,KAAN,IAAe,KAAKD,OAAxB,EAAiC;AAC/B;AACA,UAAMe,SAAS,GAAG7iC,IAAI,CAAC+U,GAAL,CAASolB,SAAT,EAAoBJ,UAAU,CAACzzB,KAAX,IAAoB,CAAxC,IAA6Cw0B,WAA/D;;AACA,UAAI+H,SAAS,GAAG,CAAZ,IAAiBA,SAAS,IAAItB,kBAAlC,EAAsD;AACpD,aAAKuB,kBAAL,CAAwB,IAAxB;;AACA;AACD;AACF,KArEoB,CAuErB;;;AACA,QAAMC,IAAI,GAAG9mB,IAAI,CAACnB,WAAL,CAAiBD,GAAjB,EAAb;;AACA,QAAIinB,OAAO,KAAK,IAAhB,EAAsB;AACpB,WAAKA,OAAL,GAAeiB,IAAf;AACA;AACD;;AAED,QAAMV,eAAe,GAAGU,IAAI,GAAGjB,OAA/B;;AACA,QAAI,CAACE,OAAD,IAAYK,eAAe,IAAIf,yBAAnC,EAA8D;AAC5D;AACA,WAAK0B,YAAL,CAAkBjJ,UAAU,CAAC18B,GAA7B;AACD;;AAED,QAAM4lC,iBAAiB,GAAGpJ,YAAY,CAACE,UAAb,CAAwBtM,KAAxB,EAA+BqN,WAA/B,EAA4ChjC,MAAM,CAACygB,aAAnD,CAA1B;;AACA,SAAK2qB,kBAAL,CAAwBD,iBAAxB,EAA2CZ,eAA3C;AACD,G,CAED;AACA;;;SACAE,2B,GAAA,uCAA8B;AAC5B,QAAM9U,KAAK,GAAG,KAAKA,KAAnB;AACA,QAAMqN,WAAW,GAAGrN,KAAK,GAAGA,KAAK,CAACqN,WAAT,GAAuBrjC,SAAhD;AAF4B,QAGpBojC,sBAHoB,GAGO,KAAK/iC,MAHZ,CAGpB+iC,sBAHoB,EAK5B;AACA;AACA;;AACA,QAAMsI,0BAA0B,GAC9BtJ,YAAY,CAACe,6BAAb,CAA2CnN,KAA3C,EAAkDqN,WAAlD,EAA+DD,sBAA/D,CADF;;AAGA,QAAIC,WAAW,KAAKqI,0BAApB,EAAgD;AAC9C3qC,sBAAM,CAACC,GAAP,0DAAkE0qC,0BAAlE;AACA1V,WAAK,CAACqN,WAAN,GAAoBqI,0BAApB;AACA,aAAO,IAAP;AACD;;AAED,WAAO,KAAP;AACD;AAED;;;;;;;;SAMAD,kB,GAAA,4BAAoBnJ,UAApB,EAAgCqJ,iBAAhC,EAAmD;AAAA,QACzCtrC,MADyC,GACN,IADM,CACzCA,MADyC;AAAA,QACjC6pC,eADiC,GACN,IADM,CACjCA,eADiC;AAAA,QAChBlU,KADgB,GACN,IADM,CAChBA,KADgB;AAEjD,QAAMqN,WAAW,GAAGrN,KAAK,CAACqN,WAA1B;AAEA,QAAMvC,OAAO,GAAGoJ,eAAe,CAACnJ,kBAAhB,CAAmCsC,WAAnC,CAAhB;;AACA,QAAIvC,OAAJ,EAAa;AACX;AACA;AACA,UAAM8K,UAAU,GAAG,KAAKP,kBAAL,CAAwBvK,OAAxB,CAAnB,CAHW,CAIX;AACA;;;AACA,UAAI8K,UAAJ,EAAgB;AACd;AACD;AACF,KAdgD,CAgBjD;AACA;AACA;AACA;;;AACA,QAAItJ,UAAU,CAAC18B,GAAX,GAAiBvF,MAAM,CAACygB,aAAxB,IACF6qB,iBAAiB,GAAGtrC,MAAM,CAACwrC,wBAAP,GAAkC,IADxD,EAC8D;AAC5D9qC,sBAAM,CAACgN,IAAP,CAAY,2CAAZ,EAD4D,CAE5D;AACA;AACA;;AACA,WAAKs8B,OAAL,GAAe,IAAf;;AACA,WAAKyB,eAAL;AACD;AACF;AAED;;;;;;;SAKAP,Y,GAAA,sBAAcxI,SAAd,EAAyB;AAAA,QACfrV,GADe,GACe,IADf,CACfA,GADe;AAAA,QACVsI,KADU,GACe,IADf,CACVA,KADU;AAAA,QACHoU,aADG,GACe,IADf,CACHA,aADG;;AAEvB,QAAI,CAACA,aAAL,EAAoB;AAClB;AACA,WAAKA,aAAL,GAAqB,IAArB;AACArpC,sBAAM,CAACgN,IAAP,4BAAqCioB,KAAK,CAACqN,WAA3C;AACA3V,SAAG,CAAC/rB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AACvBC,YAAI,EAAEC,oBAAU,CAACC,WADM;AAEvBC,eAAO,EAAEC,sBAAY,CAAC6pC,oBAFC;AAGvB3pC,aAAK,EAAE,KAHgB;AAIvBlH,cAAM,EAAE6nC;AAJe,OAAzB;AAMD;AACF;AAED;;;;;;;SAKAsI,kB,GAAA,4BAAoBvK,OAApB,EAA6B;AAAA,QACnBzgC,MADmB,GACI,IADJ,CACnBA,MADmB;AAAA,QACXqtB,GADW,GACI,IADJ,CACXA,GADW;AAAA,QACNsI,KADM,GACI,IADJ,CACNA,KADM;AAE3B,QAAMqN,WAAW,GAAGrN,KAAK,CAACqN,WAA1B;AACA,QAAI2I,WAAW,GAAG,CAAlB,CAH2B,CAI3B;;AACA,SAAK,IAAI3vC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG25B,KAAK,CAAC8J,QAAN,CAAepiC,MAAnC,EAA2CrB,CAAC,EAA5C,EAAgD;AAC9C,UAAMunB,SAAS,GAAGoS,KAAK,CAAC8J,QAAN,CAAejxB,KAAf,CAAqBxS,CAArB,CAAlB;;AACA,UAAIgnC,WAAW,GAAGhjC,MAAM,CAACygB,aAArB,IAAsCkrB,WAAtC,IAAqD3I,WAAW,GAAGzf,SAAvE,EAAkF;AAChF,YAAMgoB,UAAU,GAAGrjC,IAAI,CAAC+U,GAAL,CAASsG,SAAS,GAAGomB,uBAArB,EAA8ChU,KAAK,CAACqN,WAAN,GAAoB0G,6BAAlE,CAAnB;AACAhpC,wBAAM,CAACgN,IAAP,gDAAyDs1B,WAAzD,YAA2EuI,UAA3E;AACA,aAAKtB,KAAL,GAAa,IAAb;AACA,aAAKD,OAAL,GAAe,IAAf;AACArU,aAAK,CAACqN,WAAN,GAAoBuI,UAApB;;AACA,YAAI9K,OAAJ,EAAa;AACXpT,aAAG,CAAC/rB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AACvBC,gBAAI,EAAEC,oBAAU,CAACC,WADM;AAEvBC,mBAAO,EAAEC,sBAAY,CAAC+pC,qBAFC;AAGvB7pC,iBAAK,EAAE,KAHgB;AAIvBC,kBAAM,uDAAqDghC,WAArD,YAAuEuI,UAJtD;AAKvBl6B,gBAAI,EAAEovB;AALiB,WAAzB;AAOD;;AACD,eAAO8K,UAAP;AACD;;AACDI,iBAAW,GAAGhW,KAAK,CAAC8J,QAAN,CAAerd,GAAf,CAAmBpmB,CAAnB,CAAd;AACD;;AACD,WAAO,CAAP;AACD;AAED;;;;;;SAIAyvC,e,GAAA,2BAAmB;AAAA,QACTzrC,MADS,GACc,IADd,CACTA,MADS;AAAA,QACDqtB,GADC,GACc,IADd,CACDA,GADC;AAAA,QACIsI,KADJ,GACc,IADd,CACIA,KADJ;AAEjB,QAAMqN,WAAW,GAAGrN,KAAK,CAACqN,WAA1B;AACA,QAAM8G,UAAU,GAAG,CAAC,KAAKA,UAAL,IAAmB,CAApB,IAAyB,CAA5C;AACA,SAAKA,UAAL,GAAkBA,UAAlB;;AAEA,QAAIA,UAAU,GAAG9pC,MAAM,CAAC6rC,aAAxB,EAAuC;AACrC,UAAMN,UAAU,GAAGvI,WAAW,GAAG8G,UAAU,GAAG9pC,MAAM,CAAC8rC,WAArD,CADqC,CAErC;;AACAprC,sBAAM,CAACgN,IAAP,iCAA0Cs1B,WAA1C,YAA4DuI,UAA5D;AACA5V,WAAK,CAACqN,WAAN,GAAoBuI,UAApB;AAEAle,SAAG,CAAC/rB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AACvBC,YAAI,EAAEC,oBAAU,CAACC,WADM;AAEvBC,eAAO,EAAEC,sBAAY,CAACkqC,qBAFC;AAGvBhqC,aAAK,EAAE;AAHgB,OAAzB;AAKD,KAXD,MAWO;AACLrB,sBAAM,CAACU,KAAP,4DAAsE4hC,WAAtE,eAA2FhjC,MAAM,CAAC6rC,aAAlG;AACAxe,SAAG,CAAC/rB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AACvBC,YAAI,EAAEC,oBAAU,CAACC,WADM;AAEvBC,eAAO,EAAEC,sBAAY,CAAC6pC,oBAFC;AAGvB3pC,aAAK,EAAE;AAHgB,OAAzB;AAKD;AACF,G;;;;;;;;;;;ACnQH;;AAGA;;;;;;;;;;;;;;;;;;;;;;;;;;;;IA6BqBiqC,Q;;;;;AAMnB,oBAAa3e,GAAb,EAA4C;AAAA;;AAAA,sCAAlBI,MAAkB;AAAlBA,YAAkB;AAAA;;AAC1C,2DAAMJ,GAAN,SAAcI,MAAd;AAD0C,UAL3Bwe,UAK2B;AAAA,UAJpCC,UAIoC,GAJR,IAIQ;AAAA,UAHpCC,aAGoC,GAHL,IAGK;AAAA,UAFpCC,cAEoC,GAFnB,CAEmB;AAE1C,UAAKH,UAAL,GAAkB,MAAKI,IAAL,CAAU5hC,IAAV,+BAAlB;AAF0C;AAG3C;AAED;;;;;;;SAGUkjB,mB,GAAV,+BAAiC;AAC/B;AACA,SAAK2e,aAAL;AACA,SAAKC,aAAL;AACD;AAED;;;;;SAGOC,W,GAAP,uBAA+B;AAC7B,WAAO,CAAC,CAAC,KAAKL,aAAd;AACD;AAED;;;;;SAGOM,W,GAAP,uBAA+B;AAC7B,WAAO,CAAC,CAAC,KAAKP,UAAd;AACD;AAED;;;;;;SAIOQ,W,GAAP,qBAAoBC,MAApB,EAA6C;AAC3C,QAAI,CAAC,KAAKR,aAAV,EAAyB;AACvB,WAAKA,aAAL,GAAqBhoB,IAAI,CAACuoB,WAAL,CAAiB,KAAKT,UAAtB,EAAkCU,MAAlC,CAArB;AACA,aAAO,IAAP;AACD;;AACD,WAAO,KAAP;AACD;AAED;;;;;SAGOJ,a,GAAP,yBAAiC;AAC/B,QAAI,KAAKJ,aAAT,EAAwB;AACtBhoB,UAAI,CAACooB,aAAL,CAAmB,KAAKJ,aAAxB;AACA,WAAKA,aAAL,GAAqB,IAArB;AACA,aAAO,IAAP;AACD;;AACD,WAAO,KAAP;AACD;AAED;;;;;SAGOG,a,GAAP,yBAAiC;AAC/B,QAAI,KAAKJ,UAAT,EAAqB;AACnB/nB,UAAI,CAACyoB,YAAL,CAAkB,KAAKV,UAAvB;AACA,WAAKA,UAAL,GAAkB,IAAlB;AACA,aAAO,IAAP;AACD;;AACD,WAAO,KAAP;AACD;AAED;;;;;;;SAKOG,I,GAAP,gBAAqB;AACnB,SAAKD,cAAL;;AACA,QAAI,KAAKA,cAAL,KAAwB,CAA5B,EAA+B;AAC7B,WAAKS,MAAL,GAD6B,CAE7B;AACA;;AACA,UAAI,KAAKT,cAAL,GAAsB,CAA1B,EAA6B;AAC3B;AACA,aAAKE,aAAL;AACA,aAAKJ,UAAL,GAAkB/nB,IAAI,CAAC2oB,UAAL,CAAgB,KAAKb,UAArB,EAAiC,CAAjC,CAAlB;AACD;;AACD,WAAKG,cAAL,GAAsB,CAAtB;AACD;AACF;AAED;;;;;;SAIUS,M,GAAV,kBAA0B,CAAE,C;;;EA9FQzf,a;;;;;;;;AChCtC;AACA;AACA;AACA;AAEO,IAAM2f,KAAK,GAAG;AACnBC,SAAO,EAAE,SADU;AAEnBC,UAAQ,EAAE,UAFS;AAGnBC,MAAI,EAAE,MAHa;AAInBC,QAAM,EAAE,QAJW;AAKnBpgB,aAAW,EAAE,aALM;AAMnBT,cAAY,EAAE,cANK;AAOnB8gB,4BAA0B,EAAE,4BAPT;AAQnBC,eAAa,EAAE,eARI;AASnBC,SAAO,EAAE,SATU;AAUnBC,QAAM,EAAE,QAVW;AAWnBviB,iBAAe,EAAE,iBAXE;AAYnBwiB,OAAK,EAAE,OAZY;AAanBhsC,OAAK,EAAE,OAbY;AAcnBisC,kBAAgB,EAAE,kBAdC;AAenBC,eAAa,EAAE;AAfI,CAAd;;IAkBcC,2C;;;;;;;;;;;SACnBd,M,GAAA,kBAAU,CAAE,C;;SAEZe,S,GAAA,qBAAa,CAAE,C;;SAEfC,Q,GAAA,oBAAY;AACV,QAAIx8B,IAAI,GAAG,KAAKy8B,WAAhB;;AACA,QAAIz8B,IAAJ,EAAU;AACR,UAAIA,IAAI,CAAC6e,MAAT,EAAiB;AACf7e,YAAI,CAAC6e,MAAL,CAAY4J,KAAZ;AACD;;AACD,WAAK+P,eAAL,CAAqB1J,cAArB,CAAoC9uB,IAApC;AACD;;AACD,QAAI,KAAK8R,OAAT,EAAkB;AAChB,WAAKA,OAAL,CAAazjB,OAAb;AACA,WAAKyjB,OAAL,GAAe,IAAf;AACD;;AACD,SAAK2qB,WAAL,GAAmB,IAAnB;AACA,SAAK3E,YAAL,GAAoB,IAApB;AACA,SAAKoD,aAAL;AACA,SAAKD,aAAL;AACA,SAAKr3B,KAAL,GAAa83B,KAAK,CAACC,OAAnB;AACD,G;;SAEDe,Y,GAAA,sBAAc9L,UAAd,EAA0B/F,YAA1B,EAAwC;AAAA,QAC9B4R,WAD8B,GACG,IADH,CAC9BA,WAD8B;AAAA,QACjBjE,eADiB,GACG,IADH,CACjBA,eADiB,EAEtC;AACA;AACA;AACA;;AACA,QAAI,CAAC3N,YAAY,CAAC7K,IAAd,IAAsByc,WAAtB,IAAqC,CAACA,WAAW,CAAC9H,WAAlD,IAAiE8H,WAAW,CAAC3zB,EAAZ,KAAmB+hB,YAAY,CAAC/K,KAAjG,IAA0G,CAAC8Q,UAAU,CAACI,SAA1H,EAAqI;AACnI,UAAM2L,SAAS,GAAGnE,eAAe,CAAC9I,QAAhB,CAAyB+M,WAAzB,CAAlB;AACA,aAAOE,SAAS,KAAKpP,aAAa,CAACG,OAA5B,IAAuCiP,SAAS,KAAKpP,aAAa,CAACI,EAA1E;AACD;;AACD,WAAO,KAAP;AACD,G;;SAEDiP,c,GAAA,0BAAkB;AAAA,QACRjuC,MADQ,GAC8B,IAD9B,CACRA,MADQ;AAAA,QACA21B,KADA,GAC8B,IAD9B,CACAA,KADA;AAAA,QACOuY,WADP,GAC8B,IAD9B,CACOA,WADP;AAAA,QACoBj5B,KADpB,GAC8B,IAD9B,CACoBA,KADpB;AAEhB,QAAM+tB,WAAW,GAAGrN,KAAK,GAAGA,KAAK,CAACqN,WAAT,GAAuB,IAAhD;AACA,QAAMf,UAAU,GAAGF,YAAY,CAACE,UAAb,CAAwBiM,WAAW,IAAIvY,KAAvC,EAA8CqN,WAA9C,EAA2D,KAAKhjC,MAAL,CAAYygB,aAAvE,CAAnB;;AAEA,QAAI,0CAAgBuiB,WAAhB,CAAJ,EAAkC;AAChCtiC,sBAAM,CAACC,GAAP,uBAA+BqiC,WAAW,CAACiE,OAAZ,CAAoB,CAApB,CAA/B;AACD;;AAED,QAAIhyB,KAAK,KAAK83B,KAAK,CAACzgB,YAApB,EAAkC;AAChC,UAAIwhB,WAAW,GAAG,KAAKA,WAAvB,CADgC,CAEhC;;AACA,UAAI7L,UAAU,CAAC18B,GAAX,KAAmB,CAAnB,IAAwBuoC,WAA5B,EAAyC;AACvC,YAAMK,SAAS,GAAGnuC,MAAM,CAAC+iC,sBAAzB;AACA,YAAMqL,eAAe,GAAGN,WAAW,CAACt/B,KAAZ,GAAoB2/B,SAA5C;AACA,YAAME,aAAa,GAAGP,WAAW,CAACt/B,KAAZ,GAAoBs/B,WAAW,CAAC7oC,QAAhC,GAA2CkpC,SAAjE,CAHuC,CAIvC;;AACA,YAAInL,WAAW,GAAGoL,eAAd,IAAiCpL,WAAW,GAAGqL,aAAnD,EAAkE;AAChE,cAAIP,WAAW,CAAC5d,MAAhB,EAAwB;AACtBxvB,4BAAM,CAACC,GAAP,CAAW,iFAAX;AACAmtC,uBAAW,CAAC5d,MAAZ,CAAmB4J,KAAnB;AACD;;AACD,eAAKgU,WAAL,GAAmB,IAAnB;AACA,eAAK3E,YAAL,GAAoB,IAApB,CANgE,CAOhE;;AACA,eAAKl0B,KAAL,GAAa83B,KAAK,CAACG,IAAnB;AACD,SATD,MASO;AACLxsC,0BAAM,CAACC,GAAP,CAAW,sEAAX;AACD;AACF;AACF,KArBD,MAqBO,IAAIsU,KAAK,KAAK83B,KAAK,CAACS,KAApB,EAA2B;AAChC;AACA,UAAIvL,UAAU,CAAC18B,GAAX,KAAmB,CAAvB,EAA0B;AACxB,aAAK4jC,YAAL,GAAoB,IAApB;AACA,aAAK2E,WAAL,GAAmB,IAAnB;AACD,OAL+B,CAOhC;;;AACA,WAAK74B,KAAL,GAAa83B,KAAK,CAACG,IAAnB;AACD;;AACD,QAAIvX,KAAJ,EAAW;AACT,WAAKyU,eAAL,GAAuBpH,WAAvB;AACD,KA1Ce,CA4ChB;;;AACA,QAAI,CAAC,KAAKsL,cAAV,EAA0B;AACxB,WAAKC,gBAAL,GAAwB,KAAKC,aAAL,GAAqBxL,WAA7C;AACD,KA/Ce,CAiDhB;;;AACA,SAAKqJ,IAAL;AACD,G;;SAEDoC,Y,GAAA,wBAAgB;AACd;AACA,SAAKD,aAAL,GAAqB,KAAKpE,eAAL,GAAuB,CAA5C;AACD,G;;SAEDzc,mB,GAAA,+BAAuB;AACrB,SAAKkgB,QAAL;;AACA,wBAAMlgB,mBAAN;AACD,G;;SAEDE,kB,GAAA,8BAAsB;AACpB,SAAK5Y,KAAL,GAAa83B,KAAK,CAACC,OAAnB;AACA,SAAKnD,eAAL,GAAuB,IAAvB;AACD,G;;SAED6E,mB,GAAA,6BAAqBxG,OAArB,EAA8BhM,YAA9B,EAA4C;AAC1C,QAAIyS,aAAa,GAAG,KAAK3uC,MAAL,CAAY4uC,gBAAZ,KAAiCjvC,SAAjC,GAA6C,KAAKK,MAAL,CAAY4uC,gBAAzD,GAA4E,KAAK5uC,MAAL,CAAY6uC,qBAAZ,GAAoC3S,YAAY,CAACxK,cAAjJ;AACA,WAAOwW,OAAO,GAAGhgC,IAAI,CAAC+U,GAAL,CAAS,CAAT,EAAYif,YAAY,CAACvK,aAAb,GAA6Bgd,aAAzC,CAAjB;AACD,G;;;EA5G+C3C,Q;;;;;;;;;;;;;;;;ACvBlD;;;AAIA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AAEA,IAAM8C,aAAa,GAAG,GAAtB,C,CAA2B;;IAErBC,kC;;;;;AACJ,4BAAa1hB,GAAb,EAAkBwc,eAAlB,EAAmC;AAAA;;AACjC,6CAAMxc,GAAN,EACE9rB,iBAAK,CAACgpB,cADR,EAEEhpB,iBAAK,CAACipB,eAFR,EAGEjpB,iBAAK,CAAC2pB,gBAHR,EAIE3pB,iBAAK,CAAC6pB,eAJR,EAKE7pB,iBAAK,CAACiqB,YALR,EAMEjqB,iBAAK,CAACyrB,UANR,EAOEzrB,iBAAK,CAACkrB,WAPR,EAQElrB,iBAAK,CAACirB,2BARR,EASEjrB,iBAAK,CAAC+c,yBATR,EAUE/c,iBAAK,CAAC6f,iBAVR,EAWE7f,iBAAK,CAACoc,WAXR,EAYEpc,iBAAK,CAACC,KAZR,EAaED,iBAAK,CAACsqB,qBAbR,EAcEtqB,iBAAK,CAACuqB,oBAdR,EAeEvqB,iBAAK,CAACqpB,cAfR,EAgBErpB,iBAAK,CAACupB,eAhBR,EAiBEvpB,iBAAK,CAAC0pB,cAjBR;AAmBA,UAAK4e,eAAL,GAAuBA,eAAvB;AACA,UAAK7pC,MAAL,GAAcqtB,GAAG,CAACrtB,MAAlB;AACA,UAAKgvC,cAAL,GAAsB,KAAtB;AACA,UAAKC,MAAL,GAAclC,KAAK,CAACC,OAApB;AACA,UAAKjD,aAAL,GAAqB,KAArB;AACA,UAAKmF,aAAL,GAAqB,IAArB;AACA,UAAKC,QAAL,GAAgB,KAAhB;AA1BiC;AA2BlC;;;;SAEDvB,S,GAAA,mBAAWY,aAAX,EAA0B;AACxB,QAAI,KAAK3Z,MAAT,EAAiB;AACf,UAAIuV,eAAe,GAAG,KAAKA,eAA3B;AAAA,UAA4C/c,GAAG,GAAG,KAAKA,GAAvD;AACA,WAAKwgB,QAAL;AACA,WAAKnB,WAAL,CAAiBoC,aAAjB;AACA,WAAK9e,KAAL,GAAa,CAAC,CAAd;AACA,WAAKof,aAAL,GAAqB,CAArB;;AACA,UAAI,CAAC,KAAKC,kBAAV,EAA8B;AAC5B;AACA,YAAIC,UAAU,GAAGjiB,GAAG,CAACiiB,UAArB;;AACA,YAAIA,UAAU,KAAK,CAAC,CAApB,EAAuB;AACrB;AACAA,oBAAU,GAAG,CAAb;AACA,eAAKrO,WAAL,GAAmB,IAAnB;AACD,SAP2B,CAQ5B;AACA;;;AACA,aAAKjR,KAAL,GAAa3C,GAAG,CAACkiB,aAAJ,GAAoBD,UAAjC;AACA,aAAKhB,cAAL,GAAsB,KAAtB;AACD,OAlBc,CAmBf;;;AACA,UAAIlE,eAAe,GAAG,CAAlB,IAAuBoE,aAAa,KAAK,CAAC,CAA9C,EAAiD;AAC/C9tC,wBAAM,CAACC,GAAP,mDAA2DypC,eAAe,CAACnD,OAAhB,CAAwB,CAAxB,CAA3D;AACAuH,qBAAa,GAAGpE,eAAhB;AACD;;AACD,WAAKn1B,KAAL,GAAa83B,KAAK,CAACG,IAAnB;AACA,WAAKqB,gBAAL,GAAwB,KAAKC,aAAL,GAAqB,KAAKpE,eAAL,GAAuBoE,aAApE;AACA,WAAKnC,IAAL;AACD,KA3BD,MA2BO;AACL,WAAKmD,cAAL,GAAsB,IAAtB;AACA,WAAKv6B,KAAL,GAAa83B,KAAK,CAACC,OAAnB;AACD;AACF,G;;SAEDa,Q,GAAA,oBAAY;AACV,SAAK2B,cAAL,GAAsB,KAAtB;;AACA,oCAAM3B,QAAN;AACD,G;;SAEDhB,M,GAAA,kBAAU;AACR,YAAQ,KAAK53B,KAAb;AACA,WAAK83B,KAAK,CAAC/hB,eAAX;AACE;AACA,aAAKokB,aAAL,GAAqB,CAArB;AACA;;AACF,WAAKrC,KAAK,CAACG,IAAX;AACE,aAAKuC,WAAL;;AACA;;AACF,WAAK1C,KAAK,CAACW,aAAX;AACE,YAAI1d,KAAK,GAAG,KAAK6E,MAAL,CAAY,KAAK7E,KAAjB,CAAZ,CADF,CAEE;;AACA,YAAIA,KAAK,IAAIA,KAAK,CAACpuB,OAAnB,EAA4B;AAC1B,eAAKqT,KAAL,GAAa83B,KAAK,CAACG,IAAnB;AACD;;AAED;;AACF,WAAKH,KAAK,CAACK,0BAAX;AACE,YAAIrqB,GAAG,GAAGiV,MAAM,CAAChV,WAAP,CAAmBD,GAAnB,EAAV;AACA,YAAI2sB,SAAS,GAAG,KAAKA,SAArB,CAFF,CAGE;;AACA,YAAI,CAACA,SAAD,IAAe3sB,GAAG,IAAI2sB,SAAtB,IAAqC,KAAK/Z,KAAL,IAAc,KAAKA,KAAL,CAAWuU,OAAlE,EAA4E;AAC1ExpC,0BAAM,CAACC,GAAP,CAAW,+DAAX;AACA,eAAKsU,KAAL,GAAa83B,KAAK,CAACG,IAAnB;AACD;;AACD;;AACF,WAAKH,KAAK,CAACvrC,KAAX;AACA,WAAKurC,KAAK,CAACC,OAAX;AACA,WAAKD,KAAK,CAACzgB,YAAX;AACA,WAAKygB,KAAK,CAACO,OAAX;AACA,WAAKP,KAAK,CAACQ,MAAX;AACA,WAAKR,KAAK,CAACS,KAAX;AACE;;AACF;AACE;AAjCF,KADQ,CAoCR;;;AACA,SAAKmC,YAAL,GArCQ,CAsCR;;;AACA,SAAKC,qBAAL;AACD,G,CAED;AACA;AACA;;;SACAH,W,GAAA,uBAAe;AACb,QAAMpiB,GAAG,GAAG,KAAKA,GAAjB;AAAA,QACErtB,MAAM,GAAGqtB,GAAG,CAACrtB,MADf;AAAA,QAEE21B,KAAK,GAAG,KAAKA,KAFf,CADa,CAKb;AACA;AACA;;AACA,QAAI,KAAKka,eAAL,KAAyBlwC,SAAzB,IACF,CAACg2B,KAAD,KAAW,KAAK0Z,kBAAL,IAA2B,CAACrvC,MAAM,CAAC8vC,iBAA9C,CADF,EACqE;AACnE;AACD,KAXY,CAab;;;AACA,QAAIn7B,GAAJ;;AACA,QAAI,KAAK25B,cAAT,EAAyB;AACvB35B,SAAG,GAAGghB,KAAK,CAACqN,WAAZ;AACD,KAFD,MAEO;AACLruB,SAAG,GAAG,KAAK45B,gBAAX;AACD,KAnBY,CAqBb;;;AACA,QAAIve,KAAK,GAAG3C,GAAG,CAACkiB,aAAhB;AAAA,QACEQ,SAAS,GAAG,KAAKlb,MAAL,CAAY7E,KAAZ,CADd;;AAGA,QAAI,CAAC+f,SAAL,EAAgB;AACd;AACD;;AAED,QAAIC,YAAY,GAAGD,SAAS,CAAC3a,OAA7B;AAAA,QACE6a,SADF,CA7Ba,CAgCb;;AACA,QAAID,YAAJ,EAAkB;AAChBC,eAAS,GAAG/nC,IAAI,CAAC+U,GAAL,CAAS,IAAIjd,MAAM,CAACkwC,aAAX,GAA2BF,YAApC,EAAkDhwC,MAAM,CAACmwC,eAAzD,CAAZ;AACD,KAFD,MAEO;AACLF,eAAS,GAAGjwC,MAAM,CAACmwC,eAAnB;AACD;;AAEDF,aAAS,GAAG/nC,IAAI,CAACC,GAAL,CAAS8nC,SAAT,EAAoBjwC,MAAM,CAACowC,kBAA3B,CAAZ,CAvCa,CAyCb;AACA;;AAEA,QAAMnO,UAAU,GAAGF,YAAY,CAACE,UAAb,CAAwB,KAAKiM,WAAL,GAAmB,KAAKA,WAAxB,GAAsCvY,KAA9D,EAAqEhhB,GAArE,EAA0E3U,MAAM,CAACygB,aAAjF,CAAnB;AAAA,QACEiiB,SAAS,GAAGT,UAAU,CAAC18B,GADzB,CA5Ca,CA8Cb;;AACA,QAAIm9B,SAAS,IAAIuN,SAAjB,EAA4B;AAC1B;AACD,KAjDY,CAmDb;;;AACAvvC,oBAAM,CAAC6hB,KAAP,uBAAiCmgB,SAAS,CAACuE,OAAV,CAAkB,CAAlB,CAAjC,yBAAyEgJ,SAAS,CAAChJ,OAAV,CAAkB,CAAlB,CAAzE,sCApDa,CAsDb;;AACA,SAAKjX,KAAL,GAAa3C,GAAG,CAACkiB,aAAJ,GAAoBvf,KAAjC;AAEA,QAAMkM,YAAY,GAAG6T,SAAS,CAACnuC,OAA/B,CAzDa,CA0Db;AACA;AACA;;AACA,QAAI,CAACs6B,YAAD,IAAkBA,YAAY,CAAC7K,IAAb,IAAqB,KAAKwe,eAAL,KAAyB7f,KAApE,EAA4E;AAC1E,WAAK/a,KAAL,GAAa83B,KAAK,CAACW,aAAnB;AACA;AACD;;AAED,QAAI,KAAKK,YAAL,CAAkB9L,UAAlB,EAA8B/F,YAA9B,CAAJ,EAAiD;AAC/C,UAAM5hC,IAAI,GAAG,EAAb;;AACA,UAAI,KAAK60C,QAAT,EAAmB;AACjB70C,YAAI,CAACmH,IAAL,GAAY,OAAZ;AACD;;AAED,WAAK4rB,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACwpB,UAAvB,EAAmCzwB,IAAnC;AACA,WAAK2a,KAAL,GAAa83B,KAAK,CAACS,KAAnB;AACA;AACD,KA3EY,CA4Eb;;;AACA,SAAK6C,kBAAL,CAAwB17B,GAAxB,EAA6BstB,UAA7B,EAAyC/F,YAAzC;AACD,G;;SAEDmU,kB,GAAA,4BAAoB17B,GAApB,EAAyBstB,UAAzB,EAAqC/F,YAArC,EAAmD;AACjD,QAAMiN,YAAY,GAAG,KAAKA,YAA1B;AAAA,QACEnZ,KAAK,GAAG,KAAKA,KADf;AAAA,QAEEoB,SAAS,GAAG8K,YAAY,CAAC9K,SAF3B;AAAA,QAGEkf,OAAO,GAAGlf,SAAS,CAAC/zB,MAHtB,CADiD,CAMjD;;AACA,QAAIizC,OAAO,KAAK,CAAhB,EAAmB;AACjB;AACD,KATgD,CAWjD;;;AACA,QAAI9hC,KAAK,GAAG4iB,SAAS,CAAC,CAAD,CAAT,CAAa5iB,KAAzB;AAAA,QACE4T,GAAG,GAAGgP,SAAS,CAACkf,OAAO,GAAG,CAAX,CAAT,CAAuB9hC,KAAvB,GAA+B4iB,SAAS,CAACkf,OAAO,GAAG,CAAX,CAAT,CAAuBrrC,QAD9D;AAAA,QAEE49B,SAAS,GAAGZ,UAAU,CAAC7f,GAFzB;AAAA,QAGE/Q,IAHF;;AAKA,QAAI6qB,YAAY,CAACn3B,WAAb,IAA4B,CAACm3B,YAAY,CAACn3B,WAAb,CAAyBzK,IAA1D,EAAgE;AAC9D+W,UAAI,GAAG6qB,YAAY,CAACn3B,WAApB;AACD,KAFD,MAEO;AACL;AACA,UAAIm3B,YAAY,CAAC7K,IAAjB,EAAuB;AACrB,YAAIkf,uBAAuB,GAAG,KAAKvwC,MAAL,CAAYuwC,uBAA1C;;AACA,YAAID,OAAO,GAAGC,uBAAd,EAAuC;AACrC7vC,0BAAM,CAACgN,IAAP,sEAA+E4iC,OAA/E,WAA4FC,uBAA5F;AACA;AACD;;AAEDl/B,YAAI,GAAG,KAAKm/B,0BAAL,CAAgCtU,YAAhC,EAA8C2G,SAA9C,EAAyDr0B,KAAzD,EAAgE4T,GAAhE,EAAqE+mB,YAArE,EAAmF/X,SAAnF,EAA8Fkf,OAA9F,CAAP,CAPqB,CAQrB;;AACA,YAAIj/B,IAAI,KAAK,IAAb,EAAmB;AACjB;AACD;AACF,OAZD,MAYO;AACL;AACA,YAAIwxB,SAAS,GAAGr0B,KAAhB,EAAuB;AACrB6C,cAAI,GAAG+f,SAAS,CAAC,CAAD,CAAhB;AACD;AACF;AACF;;AACD,QAAI,CAAC/f,IAAL,EAAW;AACTA,UAAI,GAAG,KAAKo/B,aAAL,CAAmBjiC,KAAnB,EAA0B26B,YAA1B,EAAwCmH,OAAxC,EAAiDlf,SAAjD,EAA4DyR,SAA5D,EAAuEzgB,GAAvE,EAA4E8Z,YAA5E,CAAP;AACD;;AAED,QAAI7qB,IAAJ,EAAU;AACR,UAAIA,IAAI,CAACq/B,SAAT,EAAoB;AAClBhwC,wBAAM,CAACC,GAAP,sBAA8B0Q,IAAI,CAAC8I,EAAnC,aAA6C+hB,YAAY,CAAC1K,OAA1D,UAAsE0K,YAAY,CAAC/K,KAAnF,gBAAmGnB,KAAnG;;AACA,aAAK2gB,QAAL,CAAct/B,IAAd;AACD,OAHD,MAGO;AACL3Q,wBAAM,CAACC,GAAP,cAAsB0Q,IAAI,CAAC8I,EAA3B,aAAqC+hB,YAAY,CAAC1K,OAAlD,UAA8D0K,YAAY,CAAC/K,KAA3E,gBAA2FnB,KAA3F,sBAAiHrb,GAAG,CAACsyB,OAAJ,CAAY,CAAZ,CAAjH,mBAA6IpE,SAAS,CAACoE,OAAV,CAAkB,CAAlB,CAA7I;;AACA,aAAK2J,aAAL,CAAmBv/B,IAAnB;AACD;AACF;AACF,G;;SAEDm/B,0B,GAAA,oCAA4BtU,YAA5B,EAA0C2G,SAA1C,EAAqDr0B,KAArD,EAA4D4T,GAA5D,EAAiE+mB,YAAjE,EAA+E/X,SAA/E,EAA0Fkf,OAA1F,EAAmG;AACjG,QAAMtwC,MAAM,GAAG,KAAKqtB,GAAL,CAASrtB,MAAxB;AAAA,QAAgC21B,KAAK,GAAG,KAAKA,KAA7C;AAEA,QAAItkB,IAAJ,CAHiG,CAKjG;AACA;;AACA,QAAIw/B,UAAU,GAAG7wC,MAAM,CAAC8wC,sBAAP,KAAkCnxC,SAAlC,GAA8CK,MAAM,CAAC8wC,sBAArD,GAA8E9wC,MAAM,CAAC+wC,2BAAP,GAAqC7U,YAAY,CAACxK,cAAjJ;;AAEA,QAAImR,SAAS,GAAG36B,IAAI,CAAC+U,GAAL,CAASzO,KAAK,GAAGxO,MAAM,CAAC+iC,sBAAxB,EAAgD3gB,GAAG,GAAGyuB,UAAtD,CAAhB,EAAmF;AACjF,UAAIG,gBAAgB,GAAG,KAAKA,gBAAL,GAAwB,KAAKtC,mBAAL,CAAyBlgC,KAAzB,EAAgC0tB,YAAhC,CAA/C;AACA2G,eAAS,GAAGmO,gBAAZ;;AACA,UAAIrb,KAAK,IAAI,CAACA,KAAK,CAAC+U,MAAhB,IAA0B/U,KAAK,CAACsb,UAAhC,IAA8Ctb,KAAK,CAAC1wB,QAAN,GAAiB+rC,gBAA/D,IAAmFA,gBAAgB,GAAGrb,KAAK,CAACqN,WAAhH,EAA6H;AAC3HtiC,wBAAM,CAACC,GAAP,kBAA0BkiC,SAAS,CAACoE,OAAV,CAAkB,CAAlB,CAA1B,0FAAmI+J,gBAAgB,CAAC/J,OAAjB,CAAyB,CAAzB,CAAnI;AACAtR,aAAK,CAACqN,WAAN,GAAoBgO,gBAApB;AACD;;AAED,WAAKzC,gBAAL,GAAwByC,gBAAxB;AACD,KAlBgG,CAoBjG;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;;AACA,QAAI9U,YAAY,CAACqJ,QAAb,IAAyB1C,SAAS,GAAGzgB,GAArC,IAA4CuT,KAA5C,IAAqDA,KAAK,CAACsb,UAA/D,EAA2E;AACzE,aAAO,IAAP;AACD;;AAED,QAAI,KAAK5B,kBAAL,IAA2B,CAACnT,YAAY,CAACqJ,QAA7C,EAAuD;AACrD;;;;AAIA,UAAI4D,YAAJ,EAAkB;AAChB,YAAIjN,YAAY,CAACsM,kBAAjB,EAAqC;AACnC;AACA9nC,0BAAM,CAACC,GAAP,kEAA0EwoC,YAAY,CAAC1Z,eAAvF;AACApe,cAAI,GAAGs3B,iBAAiB,CAACvX,SAAD,EAAY+X,YAAY,CAACpR,kBAAzB,EAA6C/3B,MAAM,CAAC+iC,sBAApD,CAAxB;AACD,SAJD,MAIO;AACL;AACA,cAAMmO,QAAQ,GAAG/H,YAAY,CAAChvB,EAAb,GAAkB,CAAnC;;AACA,cAAI+2B,QAAQ,IAAIhV,YAAY,CAAC1K,OAAzB,IAAoC0f,QAAQ,IAAIhV,YAAY,CAAC/K,KAAjE,EAAwE;AACtE,gBAAMiY,QAAQ,GAAGhY,SAAS,CAAC8f,QAAQ,GAAGhV,YAAY,CAAC1K,OAAzB,CAA1B;;AACA,gBAAI2X,YAAY,CAACvZ,EAAb,KAAoBwZ,QAAQ,CAACxZ,EAAjC,EAAqC;AACnCve,kBAAI,GAAG+3B,QAAP;AACA1oC,8BAAM,CAACC,GAAP,iEAAyE0Q,IAAI,CAAC8I,EAA9E;AACD;AACF,WATI,CAUL;AACA;;;AACA,cAAI,CAAC9I,IAAL,EAAW;AACTA,gBAAI,GAAGiwB,aAAY,CAACC,MAAb,CAAoBnQ,SAApB,EAA+B,UAAU/f,IAAV,EAAgB;AACpD,qBAAO83B,YAAY,CAACvZ,EAAb,GAAkBve,IAAI,CAACue,EAA9B;AACD,aAFM,CAAP;;AAGA,gBAAIve,IAAJ,EAAU;AACR3Q,8BAAM,CAACC,GAAP,iEAAyE0Q,IAAI,CAAC8I,EAA9E;AACD;AACF;AACF;AACF;;AACD,UAAI,CAAC9I,IAAL,EAAW;AACT;;;AAGAA,YAAI,GAAG+f,SAAS,CAAClpB,IAAI,CAACC,GAAL,CAASmoC,OAAO,GAAG,CAAnB,EAAsBpoC,IAAI,CAAC6J,KAAL,CAAWu+B,OAAO,GAAG,CAArB,CAAtB,CAAD,CAAhB;AACA5vC,wBAAM,CAACC,GAAP,qEAA6E0Q,IAAI,CAAC8I,EAAlF;AACD;AACF;;AAED,WAAO9I,IAAP;AACD,G;;SAEDo/B,a,GAAA,uBAAejiC,KAAf,EAAsB2iC,gBAAtB,EAAwCC,kBAAxC,EAA4DhgB,SAA5D,EAAuEyR,SAAvE,EAAkFzgB,GAAlF,EAAuF8Z,YAAvF,EAAqG;AACnG,QAAMl8B,MAAM,GAAG,KAAKqtB,GAAL,CAASrtB,MAAxB;AACA,QAAIqxC,YAAJ;;AAEA,QAAIxO,SAAS,GAAGzgB,GAAhB,EAAqB;AACnB,UAAMkvB,eAAe,GAAIzO,SAAS,GAAGzgB,GAAG,GAAGpiB,MAAM,CAAC+iC,sBAA1B,GAAoD,CAApD,GAAwD/iC,MAAM,CAAC+iC,sBAAvF,CADmB,CAEnB;AACA;;AACAsO,kBAAY,GAAGnI,iBAAiB,CAACiI,gBAAD,EAAmB/f,SAAnB,EAA8ByR,SAA9B,EAAyCyO,eAAzC,CAAhC;AACD,KALD,MAKO;AACL;AACAD,kBAAY,GAAGjgB,SAAS,CAACggB,kBAAkB,GAAG,CAAtB,CAAxB;AACD;;AAED,QAAIC,YAAJ,EAAkB;AAChB,UAAME,QAAQ,GAAGF,YAAY,CAACl3B,EAAb,GAAkB+hB,YAAY,CAAC1K,OAAhD;AACA,UAAMggB,SAAS,GAAGL,gBAAgB,IAAIE,YAAY,CAACrhB,KAAb,KAAuBmhB,gBAAgB,CAACnhB,KAA9E;AACA,UAAMyhB,UAAU,GAAGrgB,SAAS,CAACmgB,QAAQ,GAAG,CAAZ,CAA5B;AACA,UAAMG,UAAU,GAAGtgB,SAAS,CAACmgB,QAAQ,GAAG,CAAZ,CAA5B,CAJgB,CAMhB;;AACA,UAAIJ,gBAAgB,IAAIE,YAAY,CAACl3B,EAAb,KAAoBg3B,gBAAgB,CAACh3B,EAA7D,EAAiE;AAC/D,YAAIq3B,SAAS,IAAI,CAACH,YAAY,CAACrL,WAA/B,EAA4C;AAC1C,cAAIqL,YAAY,CAACl3B,EAAb,GAAkB+hB,YAAY,CAAC/K,KAAnC,EAA0C;AACxC,gBAAI5B,QAAQ,GAAG4hB,gBAAgB,CAAC5hB,QAAhC,CADwC,CAExC;AACA;AACA;AACA;;AACA,gBAAIA,QAAQ,IAAIA,QAAQ,GAAGvvB,MAAM,CAACygB,aAA9B,IAA+C0wB,gBAAgB,CAACrjC,OAAhE,IAA2EyjC,QAA/E,EAAyF;AACvFF,0BAAY,GAAGI,UAAf;AACA/wC,8BAAM,CAACgN,IAAP,CAAY,wKAAZ;AACD,aAHD,MAGO;AACL2jC,0BAAY,GAAGK,UAAf;AACAhxC,8BAAM,CAACC,GAAP,mCAA2C0wC,YAAY,CAACl3B,EAAxD;AACD;AACF,WAbD,MAaO;AACLk3B,wBAAY,GAAG,IAAf;AACD;AACF,SAjBD,MAiBO,IAAIA,YAAY,CAACrL,WAAjB,EAA8B;AACnC;AACA,cAAI0L,UAAU,IAAIA,UAAU,CAAC1L,WAA7B,EAA0C;AACxCtlC,4BAAM,CAACgN,IAAP,wCAAiDgkC,UAAU,CAACv3B,EAA5D,yCAAkGk3B,YAAY,CAACl3B,EAA/G,2BAAuIu3B,UAAU,CAACv3B,EAAlJ;AACAk3B,wBAAY,GAAGK,UAAf;AACD,WAHD,MAGO;AACL;AACA;AACAhxC,4BAAM,CAACgN,IAAP,CAAY,gFAAZ;AACA2jC,wBAAY,CAACvjC,OAAb,GAAuB,CAAvB;;AACA,gBAAI2jC,UAAJ,EAAgB;AACdJ,0BAAY,GAAGI,UAAf;AACAJ,0BAAY,CAACrL,WAAb,GAA2B,IAA3B;AACD,aAHD,MAGO,IAAIuL,QAAJ,EAAc;AACnB;AACAF,0BAAY,GAAG,IAAf;AACD;AACF;AACF;AACF;AACF;;AAED,WAAOA,YAAP;AACD,G;;SAEDV,Q,GAAA,kBAAUt/B,IAAV,EAAgB;AACd,SAAK4D,KAAL,GAAa83B,KAAK,CAAChgB,WAAnB;AACA,SAAKM,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACwrB,WAAvB,EAAoC;AAAE1b,UAAI,EAAJA;AAAF,KAApC;AACD,G;;SAEDu/B,a,GAAA,uBAAev/B,IAAf,EAAqB;AACnB;AACA,QAAI28B,SAAS,GAAG,KAAKnE,eAAL,CAAqB9I,QAArB,CAA8B1vB,IAA9B,CAAhB;AAEA,SAAKy8B,WAAL,GAAmBz8B,IAAnB;;AACA,QAAIA,IAAI,CAAC8I,EAAL,KAAY,aAAhB,EAA+B;AAC7B,WAAKk1B,kBAAL,GAA0B,IAA1B;AACD,KAPkB,CAQnB;;;AACA,QAAI,0CAAgBh+B,IAAI,CAAC8I,EAArB,KAA4B,CAAC9I,IAAI,CAAC4vB,WAAtC,EAAmD;AACjD,WAAKsN,gBAAL,GAAwBl9B,IAAI,CAAC7C,KAAL,GAAa6C,IAAI,CAACpM,QAA1C;AACD,KAXkB,CAanB;;;AACA,QAAIoM,IAAI,CAAC20B,WAAL,IAAoBgI,SAAS,KAAKpP,aAAa,CAACC,UAAhD,IAA8DmP,SAAS,KAAKpP,aAAa,CAACG,OAA9F,EAAuG;AACrG1tB,UAAI,CAACsgC,SAAL,GAAiB,KAAKtkB,GAAL,CAASukB,gBAA1B;AACAvgC,UAAI,CAAC4vB,WAAL,GAAmB,KAAKA,WAAxB;AAEA,WAAK5T,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAAC+qB,YAAvB,EAAqC;AAAEjb,YAAI,EAAJA;AAAF,OAArC,EAJqG,CAKrG;;AACA,UAAI,CAAC,KAAK8R,OAAV,EAAmB;AACjB,aAAKA,OAAL,GAAe,IAAIigB,aAAJ,CAAY,KAAK/V,GAAjB,EAAsB,MAAtB,CAAf;AACD;;AAED,WAAKpY,KAAL,GAAa83B,KAAK,CAACzgB,YAAnB;AACD,KAXD,MAWO,IAAI0hB,SAAS,KAAKpP,aAAa,CAACE,SAAhC,EAA2C;AAChD;AACA,UAAI,KAAK+S,sBAAL,CAA4BxgC,IAAI,CAACpM,QAAjC,CAAJ,EAAgD;AAC9C,aAAK4kC,eAAL,CAAqB1J,cAArB,CAAoC9uB,IAApC;AACD;AACF;AACF,G;;SAeDguB,e,GAAA,yBAAiBv3B,QAAjB,EAA2B;AACzB,WAAO,KAAK+hC,eAAL,CAAqBxK,eAArB,CAAqCv3B,QAArC,EAA+CwmB,iBAAiB,CAACmK,IAAjE,CAAP;AACD,G;;SAuBDqZ,qB,GAAA,+BAAuBzgC,IAAvB,EAA6B;AAC3B,QAAIA,IAAJ,EAAU;AACR;AACA,aAAO,KAAKguB,eAAL,CAAqBhuB,IAAI,CAAC+L,MAAL,GAAc,GAAnC,CAAP;AACD;;AACD,WAAO,IAAP;AACD,G;;SAWDwyB,qB,GAAA,iCAAyB;AACvB,QAAImC,kBAAJ;AAAA,QAAwB/O,WAAxB;AAAA,QAAqCj2B,KAAK,GAAG,KAAK4oB,KAAlD;;AACA,QAAI5oB,KAAK,IAAIA,KAAK,CAACkkC,UAAf,IAA6BlkC,KAAK,CAACm9B,OAAN,KAAkB,KAAnD,EAA0D;AACxDlH,iBAAW,GAAGj2B,KAAK,CAACi2B,WAApB;AACA;;;;;;;AAMA,UAAIA,WAAW,GAAG,KAAKoH,eAAvB,EAAwC;AACtC,aAAKA,eAAL,GAAuBpH,WAAvB;AACD;;AAED,UAAIjB,YAAY,CAACC,UAAb,CAAwBj1B,KAAxB,EAA+Bi2B,WAA/B,CAAJ,EAAiD;AAC/C+O,0BAAkB,GAAG,KAAK1S,eAAL,CAAqB2D,WAArB,CAArB;AACD,OAFD,MAEO,IAAIjB,YAAY,CAACC,UAAb,CAAwBj1B,KAAxB,EAA+Bi2B,WAAW,GAAG,GAA7C,CAAJ,EAAuD;AAC5D;;;;;AAKA+O,0BAAkB,GAAG,KAAK1S,eAAL,CAAqB2D,WAAW,GAAG,GAAnC,CAArB;AACD;;AACD,UAAI+O,kBAAJ,EAAwB;AACtB,YAAIC,WAAW,GAAGD,kBAAlB;;AACA,YAAIC,WAAW,KAAK,KAAKA,WAAzB,EAAsC;AACpC,eAAK3kB,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACorB,YAAvB,EAAqC;AAAEtb,gBAAI,EAAE2gC;AAAR,WAArC;AACA,cAAMC,gBAAgB,GAAGD,WAAW,CAAChiB,KAArC;;AACA,cAAI,CAAC,KAAKgiB,WAAN,IAAqB,KAAKA,WAAL,CAAiBhiB,KAAjB,KAA2BiiB,gBAApD,EAAsE;AACpE,iBAAK5kB,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAAC+pB,cAAvB,EAAuC;AAAE0E,mBAAK,EAAEiiB;AAAT,aAAvC;AACD;;AAED,eAAKD,WAAL,GAAmBA,WAAnB;AACD;AACF;AACF;AACF;AAED;;;;;;;;SAMAE,oB,GAAA,gCAAwB;AACtBxxC,oBAAM,CAACC,GAAP,CAAW,sBAAX;;AACA,QAAI,CAAC,KAAKwxC,eAAV,EAA2B;AACzB,WAAKA,eAAL,GAAuB,IAAvB;AACA,UAAIxc,KAAK,GAAG,KAAKA,KAAjB;AAAA,UAAwByc,gBAAxB;;AACA,UAAIzc,KAAJ,EAAW;AACTyc,wBAAgB,GAAGzc,KAAK,CAAC+U,MAAzB;AACA/U,aAAK,CAAC0c,KAAN;AACD,OAHD,MAGO;AACL;AACAD,wBAAgB,GAAG,IAAnB;AACD;;AACD,WAAKA,gBAAL,GAAwBA,gBAAxB;AACD;;AACD,QAAItE,WAAW,GAAG,KAAKA,WAAvB;;AACA,QAAIA,WAAW,IAAIA,WAAW,CAAC5d,MAA/B,EAAuC;AACrC4d,iBAAW,CAAC5d,MAAZ,CAAmB4J,KAAnB;AACD;;AAED,SAAKgU,WAAL,GAAmB,IAAnB,CAnBsB,CAoBtB;;AACA,SAAKwE,eAAL,CAAqB,CAArB,EAAwBjgB,MAAM,CAACkgB,iBAA/B;AACD;AAED;;;;;;;SAKAC,uB,GAAA,mCAA2B;AACzB,QAAM7c,KAAK,GAAG,KAAKA,KAAnB;;AACA,QAAIA,KAAK,IAAIA,KAAK,CAAC8J,QAAN,CAAepiC,MAA5B,EAAoC;AAClC,WAAK80C,eAAL,GAAuB,KAAvB;;AACA,UAAIpQ,YAAY,CAACC,UAAb,CAAwBrM,KAAxB,EAA+BA,KAAK,CAACqN,WAArC,CAAJ,EAAuD;AACrD;AACArN,aAAK,CAACqN,WAAN,IAAqB,MAArB;AACD;;AACD,UAAI,CAAC,KAAKoP,gBAAV,EAA4B;AAC1Bzc,aAAK,CAAC8c,IAAN;AACD;AACF;AACF;AAED;;;;;;;;SAMAC,e,GAAA,2BAAmB;AACjB,QAAM/c,KAAK,GAAG,KAAKA,KAAnB,CADiB,CAEjB;;AACA,QAAIA,KAAK,IAAIA,KAAK,CAACsb,UAAnB,EAA+B;AAC7B,UAAI0B,UAAJ,EAAgBZ,kBAAhB,EAAoCa,gBAApC;AACAb,wBAAkB,GAAG,KAAK1S,eAAL,CAAqB1J,KAAK,CAACqN,WAA3B,CAArB;;AACA,UAAI+O,kBAAkB,IAAIA,kBAAkB,CAAC10B,QAAnB,GAA8B,CAAxD,EAA2D;AACzD;AACA;AACA,aAAKi1B,eAAL,CAAqB,CAArB,EAAwBP,kBAAkB,CAAC10B,QAAnB,GAA8B,CAAtD;AACD;;AACD,UAAI,CAACsY,KAAK,CAAC+U,MAAX,EAAmB;AACjB;AACA,YAAImI,WAAW,GAAG,KAAKxlB,GAAL,CAASkiB,aAA3B;AAAA,YAA0CuD,SAAS,GAAG,KAAKje,MAAL,CAAYge,WAAZ,CAAtD;AAAA,YAAgFE,YAAY,GAAG,KAAKA,YAApG;;AACA,YAAIA,YAAY,IAAI,KAAKjF,WAAzB,EAAsC;AACpC6E,oBAAU,GAAG,KAAK7E,WAAL,CAAiB7oC,QAAjB,GAA4B6tC,SAAS,CAAC1d,OAAtC,IAAiD,OAAO2d,YAAxD,IAAwE,CAArF;AACD,SAFD,MAEO;AACLJ,oBAAU,GAAG,CAAb;AACD;AACF,OARD,MAQO;AACLA,kBAAU,GAAG,CAAb;AACD,OAlB4B,CAmB7B;AACA;;;AACAC,sBAAgB,GAAG,KAAKvT,eAAL,CAAqB1J,KAAK,CAACqN,WAAN,GAAoB2P,UAAzC,CAAnB;;AACA,UAAIC,gBAAJ,EAAsB;AACpB;AACAA,wBAAgB,GAAG,KAAKd,qBAAL,CAA2Bc,gBAA3B,CAAnB;;AACA,YAAIA,gBAAJ,EAAsB;AACpB;AACA,cAAI9E,WAAW,GAAG,KAAKA,WAAvB;;AACA,cAAIA,WAAW,IAAIA,WAAW,CAAC5d,MAA/B,EAAuC;AACrC4d,uBAAW,CAAC5d,MAAZ,CAAmB4J,KAAnB;AACD;;AAED,eAAKgU,WAAL,GAAmB,IAAnB,CAPoB,CAQpB;AACA;AACA;;AACA,eAAKwE,eAAL,CAAqBM,gBAAgB,CAACxN,WAAtC,EAAmD/S,MAAM,CAACkgB,iBAA1D;AACD;AACF;AACF;AACF,G;;SAEDD,e,GAAA,yBAAiB18B,WAAjB,EAA8Bo9B,SAA9B,EAAyC;AACvC,SAAK/9B,KAAL,GAAa83B,KAAK,CAAC/hB,eAAnB;AACA,QAAIioB,UAAU,GAAG;AAAEr9B,iBAAW,EAAEA,WAAf;AAA4Bo9B,eAAS,EAAEA;AAAvC,KAAjB,CAFuC,CAGvC;;AACA,QAAI,KAAK7D,QAAT,EAAmB;AACjB8D,gBAAU,CAACxxC,IAAX,GAAkB,OAAlB;AACD;;AAED,SAAK4rB,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACypB,eAAvB,EAAwCioB,UAAxC;AACD,G;;SAEDC,e,GAAA,yBAAiB54C,IAAjB,EAAuB;AACrB,QAAIq7B,KAAK,GAAG,KAAKA,KAAL,GAAa,KAAKuY,WAAL,GAAmB5zC,IAAI,CAACq7B,KAAjD;AACA,SAAKwd,UAAL,GAAkB,KAAKlF,cAAL,CAAoBxjC,IAApB,CAAyB,IAAzB,CAAlB;AACA,SAAK2oC,SAAL,GAAiB,KAAKC,aAAL,CAAmB5oC,IAAnB,CAAwB,IAAxB,CAAjB;AACA,SAAK6oC,QAAL,GAAgB,KAAK7E,YAAL,CAAkBhkC,IAAlB,CAAuB,IAAvB,CAAhB;AACAkrB,SAAK,CAAC/Q,gBAAN,CAAuB,SAAvB,EAAkC,KAAKuuB,UAAvC;AACAxd,SAAK,CAAC/Q,gBAAN,CAAuB,QAAvB,EAAiC,KAAKwuB,SAAtC;AACAzd,SAAK,CAAC/Q,gBAAN,CAAuB,OAAvB,EAAgC,KAAK0uB,QAArC;AACA,QAAItzC,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAI,KAAK60B,MAAL,IAAe70B,MAAM,CAACuzC,aAA1B,EAAyC;AACvC,WAAKlmB,GAAL,CAASugB,SAAT,CAAmB5tC,MAAM,CAACwuC,aAA1B;AACD;;AAED,SAAKU,aAAL,GAAqB,IAAItF,4BAAJ,CAAkB5pC,MAAlB,EAA0B21B,KAA1B,EAAiC,KAAKkU,eAAtC,EAAuD,KAAKxc,GAA5D,CAArB;AACD,G;;SAEDmmB,gB,GAAA,4BAAoB;AAClB,QAAI7d,KAAK,GAAG,KAAKA,KAAjB;;AACA,QAAIA,KAAK,IAAIA,KAAK,CAACgV,KAAnB,EAA0B;AACxBjqC,sBAAM,CAACC,GAAP,CAAW,oDAAX;AACA,WAAK6tC,aAAL,GAAqB,KAAKpE,eAAL,GAAuB,CAA5C;AACD,KALiB,CAOlB;;;AACA,QAAIvV,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAIA,MAAJ,EAAY;AACVA,YAAM,CAAC/hB,OAAP,CAAe,UAAAkd,KAAK,EAAI;AACtB,YAAIA,KAAK,CAACpuB,OAAV,EAAmB;AACjBouB,eAAK,CAACpuB,OAAN,CAAcwvB,SAAd,CAAwBte,OAAxB,CAAgC,UAAA2W,QAAQ,EAAI;AAC1CA,oBAAQ,CAACuc,WAAT,GAAuBrmC,SAAvB;AACD,WAFD;AAGD;AACF,OAND;AAOD,KAjBiB,CAmBlB;;;AACA,QAAIg2B,KAAJ,EAAW;AACTA,WAAK,CAACyO,mBAAN,CAA0B,SAA1B,EAAqC,KAAK+O,UAA1C;AACAxd,WAAK,CAACyO,mBAAN,CAA0B,QAA1B,EAAoC,KAAKgP,SAAzC;AACAzd,WAAK,CAACyO,mBAAN,CAA0B,OAA1B,EAAmC,KAAKkP,QAAxC;AACA,WAAKH,UAAL,GAAkB,KAAKC,SAAL,GAAiB,KAAKE,QAAL,GAAgB,IAAnD;AACD;;AAED,SAAKzJ,eAAL,CAAqBxI,kBAArB;AACA,SAAK1L,KAAL,GAAa,KAAKuY,WAAL,GAAmB,IAAhC;AACA,SAAKI,cAAL,GAAsB,KAAtB;AACA,SAAKT,QAAL;AACD,G;;SAEDwF,a,GAAA,yBAAiB;AACf,QAAM1d,KAAK,GAAG,KAAKA,KAAnB;AACA,QAAMqN,WAAW,GAAGrN,KAAK,GAAGA,KAAK,CAACqN,WAAT,GAAuBrjC,SAAhD;AAFe,QAGP6qC,mBAHO,GAGiB,KAAKxqC,MAHtB,CAGPwqC,mBAHO,EAKf;;AACA,QAAI,CAACA,mBAAD,IAAwB,CAAC,KAAK0E,aAAL,CAAmBzE,2BAAnB,EAA7B,EAA+E;AAC7E,WAAKpd,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAAC2rB,mBAAvB;AACD;;AAED,QAAI,0CAAgB8V,WAAhB,CAAJ,EAAkC;AAChCtiC,sBAAM,CAACC,GAAP,sBAA8BqiC,WAAW,CAACiE,OAAZ,CAAoB,CAApB,CAA9B;AACD,KAZc,CAcf;;;AACA,SAAKoF,IAAL;AACD,G;;SAEDhT,iB,GAAA,6BAAqB;AACnB;AACA34B,oBAAM,CAACC,GAAP,CAAW,sBAAX;AACA,SAAK0sB,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACmpB,YAAvB;AACA,SAAKmf,eAAL,CAAqBxI,kBAArB;AACA,SAAK2I,OAAL,GAAe,KAAf;AACA,SAAKwE,aAAL,GAAqB,KAAKpE,eAAL,GAAuB,CAA5C;AACD,G;;SAEDqJ,gB,GAAA,0BAAkBn5C,IAAlB,EAAwB;AACtB,QAAIo5C,GAAG,GAAG,KAAV;AAAA,QAAiBC,KAAK,GAAG,KAAzB;AAAA,QAAgCzwC,KAAhC;AACA5I,QAAI,CAACu6B,MAAL,CAAY/hB,OAAZ,CAAoB,UAAAkd,KAAK,EAAI;AAC3B;AACA9sB,WAAK,GAAG8sB,KAAK,CAAC9tB,UAAd;;AACA,UAAIgB,KAAJ,EAAW;AACT,YAAIA,KAAK,CAACH,OAAN,CAAc,WAAd,MAA+B,CAAC,CAApC,EAAuC;AACrC2wC,aAAG,GAAG,IAAN;AACD;;AAED,YAAIxwC,KAAK,CAACH,OAAN,CAAc,WAAd,MAA+B,CAAC,CAApC,EAAuC;AACrC4wC,eAAK,GAAG,IAAR;AACD;AACF;AACF,KAZD;AAaA,SAAKC,gBAAL,GAAyBF,GAAG,IAAIC,KAAhC;;AACA,QAAI,KAAKC,gBAAT,EAA2B;AACzBlzC,sBAAM,CAACC,GAAP,CAAW,wEAAX;AACD;;AAED,SAAKwuC,QAAL,GAAgB70C,IAAI,CAAC60C,QAArB;AACA,SAAKta,MAAL,GAAcv6B,IAAI,CAACu6B,MAAnB;AACA,SAAKwa,kBAAL,GAA0B,KAA1B;AACA,QAAIrvC,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAIA,MAAM,CAACuzC,aAAP,IAAwB,KAAK/D,cAAjC,EAAiD;AAC/C,WAAKniB,GAAL,CAASugB,SAAT,CAAmB5tC,MAAM,CAACwuC,aAA1B;AACD;AACF,G;;SAEDqF,a,GAAA,uBAAev5C,IAAf,EAAqB;AACnB,QAAMorC,UAAU,GAAGprC,IAAI,CAACsH,OAAxB;AACA,QAAMkyC,UAAU,GAAGx5C,IAAI,CAAC01B,KAAxB;AACA,QAAMyX,SAAS,GAAG,KAAK5S,MAAL,CAAY,KAAKgb,eAAjB,CAAlB;AACA,QAAMkE,QAAQ,GAAG,KAAKlf,MAAL,CAAYif,UAAZ,CAAjB;AACA,QAAM7uC,QAAQ,GAAGygC,UAAU,CAAC/T,aAA5B;AACA,QAAIuW,OAAO,GAAG,CAAd;AAEAxnC,oBAAM,CAACC,GAAP,YAAoBmzC,UAApB,iBAA0CpO,UAAU,CAAClU,OAArD,SAAgEkU,UAAU,CAACvU,KAA3E,mBAA8FlsB,QAA9F;;AAEA,QAAIygC,UAAU,CAACrU,IAAf,EAAqB;AACnB,UAAIwW,UAAU,GAAGkM,QAAQ,CAACnyC,OAA1B;;AACA,UAAIimC,UAAU,IAAInC,UAAU,CAACtU,SAAX,CAAqB/zB,MAArB,GAA8B,CAAhD,EAAmD;AACjD;AACA22C,oBAAA,CAAyBnM,UAAzB,EAAqCnC,UAArC;AACAwC,eAAO,GAAGxC,UAAU,CAACtU,SAAX,CAAqB,CAArB,EAAwB5iB,KAAlC;AACA,aAAKwiC,gBAAL,GAAwB,KAAKtC,mBAAL,CAAyBxG,OAAzB,EAAkCL,UAAlC,CAAxB;;AACA,YAAInC,UAAU,CAACH,QAAX,IAAuB,0CAAgB2C,OAAhB,CAA3B,EAAqD;AACnDxnC,0BAAM,CAACC,GAAP,4BAAoCunC,OAAO,CAACjB,OAAR,CAAgB,CAAhB,CAApC;AACD,SAFD,MAEO;AACLvmC,0BAAM,CAACC,GAAP,CAAW,+CAAX;AACAwnC,qBAAW,CAAC,KAAKgB,YAAN,EAAoB1B,SAApB,EAA+B/B,UAA/B,CAAX;AACD;AACF,OAXD,MAWO;AACLhlC,wBAAM,CAACC,GAAP,CAAW,6CAAX;AACA+kC,kBAAU,CAACH,QAAX,GAAsB,KAAtB;AACA4C,mBAAW,CAAC,KAAKgB,YAAN,EAAoB1B,SAApB,EAA+B/B,UAA/B,CAAX;AACD;AACF,KAlBD,MAkBO;AACLA,gBAAU,CAACH,QAAX,GAAsB,KAAtB;AACD,KA9BkB,CA+BnB;;;AACAwO,YAAQ,CAACnyC,OAAT,GAAmB8jC,UAAnB;AACA,SAAKmK,eAAL,GAAuBiE,UAAvB;AACA,SAAKzmB,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACkqB,aAAvB,EAAsC;AAAE7pB,aAAO,EAAE8jC,UAAX;AAAuB1V,WAAK,EAAE8jB;AAA9B,KAAtC;;AAEA,QAAI,KAAKzE,kBAAL,KAA4B,KAAhC,EAAuC;AACvC;AACE,UAAI,KAAKb,aAAL,KAAuB,CAAC,CAAxB,IAA6B,KAAKpE,eAAL,KAAyB,CAAC,CAA3D,EAA8D;AAC5D;AACA,YAAI3Y,eAAe,GAAGiU,UAAU,CAACjU,eAAjC;;AACA,YAAI,0CAAgBA,eAAhB,CAAJ,EAAsC;AACpC,cAAIA,eAAe,GAAG,CAAtB,EAAyB;AACvB/wB,4BAAM,CAACC,GAAP,iCAAyC8wB,eAAzC;AACAA,2BAAe,GAAGyW,OAAO,GAAGjjC,QAAV,GAAqBwsB,eAAvC;AACD;;AACD/wB,0BAAM,CAACC,GAAP,mEAA2E8wB,eAA3E;AACA,eAAK+c,aAAL,GAAqB/c,eAArB;AACD,SAPD,MAOO;AACL;AACA,cAAIiU,UAAU,CAACrU,IAAf,EAAqB;AACnB,iBAAKmd,aAAL,GAAqB,KAAKE,mBAAL,CAAyBxG,OAAzB,EAAkCxC,UAAlC,CAArB;AACAhlC,4BAAM,CAACC,GAAP,iCAAyC,KAAK6tC,aAA9C;AACD,WAHD,MAGO;AACL,iBAAKA,aAAL,GAAqB,CAArB;AACD;AACF;;AACD,aAAKpE,eAAL,GAAuB,KAAKoE,aAA5B;AACD;;AACD,WAAKD,gBAAL,GAAwB,KAAKC,aAA7B;AACD,KA5DkB,CA6DnB;;;AACA,QAAI,KAAKv5B,KAAL,KAAe83B,KAAK,CAACW,aAAzB,EAAwC;AACtC,WAAKz4B,KAAL,GAAa83B,KAAK,CAACG,IAAnB;AACD,KAhEkB,CAkEnB;;;AACA,SAAKb,IAAL;AACD,G;;SAED4H,W,GAAA,uBAAe;AACb,QAAI,KAAKh/B,KAAL,KAAe83B,KAAK,CAAChgB,WAAzB,EAAsC;AACpC,WAAK9X,KAAL,GAAa83B,KAAK,CAACG,IAAnB;AACA,WAAKb,IAAL;AACD;AACF,G;;SAEDrL,Y,GAAA,sBAAc1mC,IAAd,EAAoB;AAAA,QACVwzC,WADU,GAC0B,IAD1B,CACVA,WADU;AAAA,QACGzgB,GADH,GAC0B,IAD1B,CACGA,GADH;AAAA,QACQwH,MADR,GAC0B,IAD1B,CACQA,MADR;AAAA,QACgBc,KADhB,GAC0B,IAD1B,CACgBA,KADhB;AAElB,QAAMue,UAAU,GAAG55C,IAAI,CAAC+W,IAAxB;;AACA,QAAI,KAAK4D,KAAL,KAAe83B,KAAK,CAACzgB,YAArB,IACAwhB,WADA,IAEAoG,UAAU,CAACzyC,IAAX,KAAoB,MAFpB,IAGAyyC,UAAU,CAAClkB,KAAX,KAAqB8d,WAAW,CAAC9d,KAHjC,IAIAkkB,UAAU,CAAC/5B,EAAX,KAAkB2zB,WAAW,CAAC3zB,EAJlC,EAIsC;AACpC,UAAMuJ,KAAK,GAAGppB,IAAI,CAACopB,KAAnB;AACA,UAAMywB,YAAY,GAAGtf,MAAM,CAACiZ,WAAW,CAAC9d,KAAb,CAA3B;AACA,UAAMpuB,OAAO,GAAGuyC,YAAY,CAACvyC,OAA7B,CAHoC,CAIpC;AACA;AACA;;AACA,WAAKq/B,WAAL,GAAmB,KAAnB;AACA,WAAKvd,KAAL,GAAaA,KAAb;AAEAhjB,sBAAM,CAACC,GAAP,aAAqBmtC,WAAW,CAAC3zB,EAAjC,aAA2CvY,OAAO,CAAC4vB,OAAnD,UAA+D5vB,OAAO,CAACuvB,KAAvE,gBAAuF2c,WAAW,CAAC9d,KAAnG;;AACA,UAAIkkB,UAAU,CAACjT,WAAX,IAA0B5T,GAAG,CAACkiB,aAAlC,EAAiD;AAC/C;AACA,aAAKt6B,KAAL,GAAa83B,KAAK,CAACG,IAAnB;AACA,aAAKmC,kBAAL,GAA0B,KAA1B;AACA3rB,aAAK,CAAC0Y,OAAN,GAAgB1Y,KAAK,CAAC0wB,SAAN,GAAkBpc,MAAM,CAAChV,WAAP,CAAmBD,GAAnB,EAAlC;AACAsK,WAAG,CAAC/rB,OAAJ,CAAYC,iBAAK,CAACmrB,aAAlB,EAAiC;AAAEhJ,eAAK,EAAEA,KAAT;AAAgBrS,cAAI,EAAEy8B,WAAtB;AAAmC1oC,YAAE,EAAE;AAAvC,SAAjC;AACA,aAAKinC,IAAL;AACD,OAPD,MAOO,IAAI6H,UAAU,CAAC/5B,EAAX,KAAkB,aAAtB,EAAqC;AAC1C,aAAKlF,KAAL,GAAa83B,KAAK,CAACG,IAAnB;AACAxpB,aAAK,CAAC0Y,OAAN,GAAgB1Y,KAAK,CAAC0wB,SAAN,GAAkBpc,MAAM,CAAChV,WAAP,CAAmBD,GAAnB,EAAlC;AACAnhB,eAAO,CAACmD,WAAR,CAAoBzK,IAApB,GAA2BA,IAAI,CAACsf,OAAhC;AACAyT,WAAG,CAAC/rB,OAAJ,CAAYC,iBAAK,CAACmrB,aAAlB,EAAiC;AAAEhJ,eAAK,EAAEA,KAAT;AAAgBrS,cAAI,EAAEy8B,WAAtB;AAAmC1oC,YAAE,EAAE;AAAvC,SAAjC;AACA,aAAKinC,IAAL;AACD,OANM,MAMA;AACL3rC,wBAAM,CAACC,GAAP,cAAsBmtC,WAAW,CAAC3zB,EAAlC,aAA4CvY,OAAO,CAAC4vB,OAApD,UAAgE5vB,OAAO,CAACuvB,KAAxE,gBAAwF2c,WAAW,CAAC9d,KAApG,aAAiH8d,WAAW,CAACle,EAA7H;AACA,aAAK3a,KAAL,GAAa83B,KAAK,CAACO,OAAnB;AACA,aAAK+G,gBAAL,GAAwB,IAAxB;AACA,aAAKC,QAAL,GAAgB,KAAhB,CAJK,CAML;AACA;;AACA,YAAIJ,UAAU,CAACjT,WAAf,EAA4B;AAC1BiT,oBAAU,CAACjT,WAAX,GAAyB,KAAzB;AACA,eAAK4I,eAAL,CAAqB7I,YAArB,CAAkC;AAChC3vB,gBAAI,EAAE6iC;AAD0B,WAAlC;AAGD,SAbI,CAeL;;;AACA,YAAMjuC,kBAAkB,GAAG,EAAE0vB,KAAK,IAAIA,KAAK,CAACuU,OAAjB,MAA8BtoC,OAAO,CAAC2jC,QAAR,IAAoB,CAAC3jC,OAAO,CAACyvB,IAA3D,CAA3B;AACA,YAAMkjB,eAAe,GAAG3yC,OAAO,CAACmD,WAAR,GAAsBnD,OAAO,CAACmD,WAAR,CAAoBzK,IAA1C,GAAiD,EAAzE;;AACA,YAAM4H,UAAU,GAAG,KAAKsyC,cAAL,CAAoBL,YAApB,CAAnB,CAlBK,CAoBL;;;AACA,YAAMhxB,OAAO,GAAG,KAAKA,OAAL,GAAe,KAAKA,OAAL,IAAgB,IAAIigB,aAAJ,CAAY,KAAK/V,GAAjB,EAAsB,MAAtB,CAA/C;AACAlK,eAAO,CAACze,IAAR,CACEpK,IAAI,CAACsf,OADP,EAEE26B,eAFF,EAGEryC,UAHF,EAIEiyC,YAAY,CAACnvC,UAJf,EAKE8oC,WALF,EAMElsC,OAAO,CAAC+vB,aANV,EAOE1rB,kBAPF;AASD;AACF;;AACD,SAAKmpC,aAAL,GAAqB,CAArB;AACD,G;;SAEDqF,wB,GAAA,kCAA0Bn6C,IAA1B,EAAgC;AAC9B,QAAMwzC,WAAW,GAAG,KAAKA,WAAzB;AACA,QAAM4G,OAAO,GAAGp6C,IAAI,CAAC+W,IAArB;;AAEA,QAAIy8B,WAAW,IACXxzC,IAAI,CAAC8K,EAAL,KAAY,MADZ,IAEAsvC,OAAO,CAACv6B,EAAR,KAAe2zB,WAAW,CAAC3zB,EAF3B,IAGAu6B,OAAO,CAAC1kB,KAAR,KAAkB8d,WAAW,CAAC9d,KAH9B,IAIA,KAAK/a,KAAL,KAAe83B,KAAK,CAACO,OAJzB,EAIkC;AAChC,UAAIjzB,MAAM,GAAG/f,IAAI,CAAC+f,MAAlB;AAAA,UAA0Bs6B,SAA1B;AAAA,UAAqC/wC,KAArC,CADgC,CAGhC;;AACA,UAAIyW,MAAM,CAACrN,KAAP,IAAgB,KAAKmiC,QAAzB,EAAmC;AACjC,eAAO90B,MAAM,CAACrN,KAAd;AACD,OAN+B,CAQhC;;;AACApJ,WAAK,GAAGyW,MAAM,CAACrN,KAAf;;AACA,UAAIpJ,KAAJ,EAAW;AACT,YAAI1B,UAAU,GAAG,KAAK2yB,MAAL,CAAY,KAAK7E,KAAjB,EAAwB9tB,UAAzC;AAAA,YACE0yC,EAAE,GAAGpyC,SAAS,CAACD,SAAV,CAAoBE,WAApB,EADP;;AAEA,YAAIP,UAAU,IAAI,KAAK8sC,cAAvB,EAAuC;AACrCtuC,0BAAM,CAACC,GAAP,CAAW,+BAAX;;AACA,cAAIuB,UAAU,CAACa,OAAX,CAAmB,WAAnB,MAAoC,CAAC,CAAzC,EAA4C;AAC1Cb,sBAAU,GAAG,WAAb;AACD,WAFD,MAEO;AACLA,sBAAU,GAAG,WAAb;AACD;AACF,SAVQ,CAWT;AACA;AACA;AACA;;;AACA,YAAI,KAAK0xC,gBAAT,EAA2B;AACzB;AACA,cAAIhwC,KAAK,CAACsa,QAAN,CAAejb,YAAf,KAAgC,CAAhC,IACF;AACA2xC,YAAE,CAAC7xC,OAAH,CAAW,SAAX,MAA0B,CAAC,CAF7B,EAEgC;AAC9Bb,sBAAU,GAAG,WAAb;AACD;AACF,SAtBQ,CAuBT;;;AACA,YAAI0yC,EAAE,CAAC7xC,OAAH,CAAW,SAAX,MAA0B,CAAC,CAA3B,IAAgCa,KAAK,CAACuB,SAAN,KAAoB,YAAxD,EAAsE;AAAE;AACtEjD,oBAAU,GAAG,WAAb;AACAxB,0BAAM,CAACC,GAAP,oCAA4CuB,UAA5C;AACD;;AACD0B,aAAK,CAACixC,UAAN,GAAmB3yC,UAAnB;AACA0B,aAAK,CAACwB,EAAN,GAAW9K,IAAI,CAAC8K,EAAhB;AACD;;AACDxB,WAAK,GAAGyW,MAAM,CAACtN,KAAf;;AACA,UAAInJ,KAAJ,EAAW;AACTA,aAAK,CAACixC,UAAN,GAAmB,KAAKhgB,MAAL,CAAY,KAAK7E,KAAjB,EAAwBhrB,UAA3C;AACApB,aAAK,CAACwB,EAAN,GAAW9K,IAAI,CAAC8K,EAAhB;AACD;;AACD,WAAKioB,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACopB,aAAvB,EAAsCtQ,MAAtC,EA9CgC,CA+ChC;;AACA,WAAKs6B,SAAL,IAAkBt6B,MAAlB,EAA0B;AACxBzW,aAAK,GAAGyW,MAAM,CAACs6B,SAAD,CAAd;AACAj0C,wBAAM,CAACC,GAAP,iBAAyBg0C,SAAzB,mBAAgD/wC,KAAK,CAACuB,SAAtD,+BAAyFvB,KAAK,CAACixC,UAA/F,SAA6GjxC,KAAK,CAACV,KAAnH;AACA,YAAI6B,WAAW,GAAGnB,KAAK,CAACmB,WAAxB;;AACA,YAAIA,WAAJ,EAAiB;AACf,eAAKuvC,QAAL,GAAgB,IAAhB,CADe,CAEf;;AACA,eAAKD,gBAAL,GAAwB,IAAxB;AACA,eAAKhnB,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACspB,gBAAvB,EAAyC;AAAEppB,gBAAI,EAAEkzC,SAAR;AAAmBr6C,gBAAI,EAAEyK,WAAzB;AAAsC+vC,kBAAM,EAAE,MAA9C;AAAsDC,mBAAO,EAAE;AAA/D,WAAzC;AACD;AACF,OA1D+B,CA2DhC;;;AACA,WAAK1I,IAAL;AACD;AACF,G;;SAED2I,iB,GAAA,2BAAmB16C,IAAnB,EAAyB;AAAA;;AACvB,QAAMwzC,WAAW,GAAG,KAAKA,WAAzB;AACA,QAAM4G,OAAO,GAAGp6C,IAAI,CAAC+W,IAArB;;AACA,QAAIy8B,WAAW,IACXxzC,IAAI,CAAC8K,EAAL,KAAY,MADZ,IAEAsvC,OAAO,CAACv6B,EAAR,KAAe2zB,WAAW,CAAC3zB,EAF3B,IAGAu6B,OAAO,CAAC1kB,KAAR,KAAkB8d,WAAW,CAAC9d,KAH9B,IAIA,EAAE11B,IAAI,CAACmH,IAAL,KAAc,OAAd,IAAyB,KAAK0tC,QAAhC,CAJA,IAI6C;AAC7C,SAAKl6B,KAAL,KAAe83B,KAAK,CAACO,OALzB,EAKkC;AAChC,UAAItd,KAAK,GAAG,KAAK6E,MAAL,CAAY,KAAK7E,KAAjB,CAAZ;AAAA,UACE3e,IAAI,GAAGy8B,WADT;;AAEA,UAAI,CAAC,0CAAgBxzC,IAAI,CAAC8iB,MAArB,CAAL,EAAmC;AACjC9iB,YAAI,CAAC8iB,MAAL,GAAc9iB,IAAI,CAAC+iB,QAAL,GAAgBywB,WAAW,CAAC7oC,QAA1C;AACA3K,YAAI,CAAC0mB,MAAL,GAAc1mB,IAAI,CAACymB,QAAL,GAAgB+sB,WAAW,CAAC7oC,QAA1C;AACD;;AAED,UAAI3K,IAAI,CAAC2mB,QAAL,KAAkB,IAAtB,EAA4B;AAC1B5P,YAAI,CAACof,mBAAL,CAAyB1B,qBAAqB,CAACM,KAA/C;AACD;;AAED,UAAI/0B,IAAI,CAAC4mB,QAAL,KAAkB,IAAtB,EAA4B;AAC1B7P,YAAI,CAACof,mBAAL,CAAyB1B,qBAAqB,CAACO,KAA/C;AACD;;AAED5uB,sBAAM,CAACC,GAAP,aAAqBrG,IAAI,CAACmH,IAA1B,cAAuCnH,IAAI,CAAC+iB,QAAL,CAAc4pB,OAAd,CAAsB,CAAtB,CAAvC,SAAmE3sC,IAAI,CAAC8iB,MAAL,CAAY6pB,OAAZ,CAAoB,CAApB,CAAnE,eAAmG3sC,IAAI,CAACymB,QAAL,CAAckmB,OAAd,CAAsB,CAAtB,CAAnG,SAA+H3sC,IAAI,CAAC0mB,MAAL,CAAYimB,OAAZ,CAAoB,CAApB,CAA/H,aAA6J3sC,IAAI,CAAC6mB,EAAlK,kBAAgL7mB,IAAI,CAACwT,OAAL,IAAgB,CAAhM,GAhBgC,CAkBhC;;AACA,UAAIxT,IAAI,CAACmH,IAAL,KAAc,OAAlB,EAA2B;AACzB4P,YAAI,CAACvD,OAAL,GAAexT,IAAI,CAACwT,OAApB;;AACA,YAAIuD,IAAI,CAACvD,OAAT,EAAkB;AAChB,cAAI,CAACuD,IAAI,CAAC20B,WAAV,EAAuB;AACrB,gBAAM9J,YAAY,GAAGlM,KAAK,CAACpuB,OAA3B;;AACA,gBAAIs6B,YAAY,IAAI7qB,IAAI,CAAC8I,EAAL,KAAY+hB,YAAY,CAAC1K,OAA7C,EAAsD;AACpD9wB,8BAAM,CAACgN,IAAP,CAAY,0DAAZ,EAAwE2D,IAAI,CAAC8I,EAA7E;AACD,aAFD,MAEO;AACLzZ,8BAAM,CAACgN,IAAP,CAAY,+CAAZ,EAA6D2D,IAAI,CAAC8I,EAAlE,EADK,CAEL;AACA;AACA;;AACA,mBAAK0vB,eAAL,CAAqB1J,cAArB,CAAoC9uB,IAApC;AACAA,kBAAI,CAAC20B,WAAL,GAAmB,IAAnB;AACA,mBAAKuI,gBAAL,GAAwBj0C,IAAI,CAAC+iB,QAA7B;AACA,mBAAKpI,KAAL,GAAa83B,KAAK,CAACG,IAAnB;AACA,mBAAK/D,YAAL,GAAoB93B,IAApB;AACA,mBAAKg7B,IAAL;AACA;AACD;AACF,WAjBD,MAiBO;AACL3rC,4BAAM,CAACgN,IAAP,CAAY,8DAAZ,EAA4E2D,IAAI,CAAC8I,EAAjF;AACD;AACF,SArBD,MAqBO;AACL;AACA9I,cAAI,CAAC20B,WAAL,GAAmB,KAAnB;AACD;AACF;;AAED,UAAIX,KAAK,GAAG2O,gBAAA,CAA6BhkB,KAAK,CAACpuB,OAAnC,EAA4CyP,IAA5C,EAAkD/W,IAAI,CAAC+iB,QAAvD,EAAiE/iB,IAAI,CAAC8iB,MAAtE,EAA8E9iB,IAAI,CAACymB,QAAnF,EAA6FzmB,IAAI,CAAC0mB,MAAlG,CAAZ;AAAA,UACEqM,GAAG,GAAG,KAAKA,GADb;AAEAA,SAAG,CAAC/rB,OAAJ,CAAYC,iBAAK,CAACmqB,iBAAlB,EAAqC;AAAE9pB,eAAO,EAAEouB,KAAK,CAACpuB,OAAjB;AAA0BouB,aAAK,EAAE,KAAKA,KAAtC;AAA6CqV,aAAK,EAAEA,KAApD;AAA2D5jC,YAAI,EAAEnH,IAAI,CAACmH,IAAtE;AAA4E+M,aAAK,EAAElU,IAAI,CAAC+iB,QAAxF;AAAkG+E,WAAG,EAAE9nB,IAAI,CAAC8iB;AAA5G,OAArC,EAlDgC,CAmDhC;;AACA,OAAC9iB,IAAI,CAACumB,KAAN,EAAavmB,IAAI,CAACwmB,KAAlB,EAAyBhO,OAAzB,CAAiC,UAAAjY,MAAM,EAAI;AACzC;AACA;AACA,YAAIA,MAAM,IAAIA,MAAM,CAACwC,MAAjB,IAA2B,MAAI,CAAC4X,KAAL,KAAe83B,KAAK,CAACO,OAApD,EAA6D;AAC3D,gBAAI,CAACgH,QAAL,GAAgB,IAAhB,CAD2D,CAE3D;;AACA,gBAAI,CAACD,gBAAL,GAAwB,IAAxB;AACAhnB,aAAG,CAAC/rB,OAAJ,CAAYC,iBAAK,CAACspB,gBAAlB,EAAoC;AAAEppB,gBAAI,EAAEnH,IAAI,CAACmH,IAAb;AAAmBnH,gBAAI,EAAEO,MAAzB;AAAiCi6C,kBAAM,EAAE,MAAzC;AAAiDC,mBAAO,EAAE;AAA1D,WAApC;AACD;AACF,OATD,EApDgC,CA8DhC;;AACA,WAAK1I,IAAL;AACD;AACF,G;;SAED4I,Y,GAAA,sBAAc36C,IAAd,EAAoB;AAClB,QAAMwzC,WAAW,GAAG,KAAKA,WAAzB;AACA,QAAM4G,OAAO,GAAGp6C,IAAI,CAAC+W,IAArB;;AACA,QAAIy8B,WAAW,IACXxzC,IAAI,CAAC8K,EAAL,KAAY,MADZ,IAEAsvC,OAAO,CAACv6B,EAAR,KAAe2zB,WAAW,CAAC3zB,EAF3B,IAGAu6B,OAAO,CAAC1kB,KAAR,KAAkB8d,WAAW,CAAC9d,KAH9B,IAIA,KAAK/a,KAAL,KAAe83B,KAAK,CAACO,OAJzB,EAIkC;AAChC,WAAK5pB,KAAL,CAAW0Y,OAAX,GAAqBpE,MAAM,CAAChV,WAAP,CAAmBD,GAAnB,EAArB;AACA,WAAK9N,KAAL,GAAa83B,KAAK,CAACQ,MAAnB;;AACA,WAAK2H,oBAAL;AACD;AACF,G;;SAEDC,qB,GAAA,+BAAuB76C,IAAvB,EAA6B;AAC3B;AACA,QAAI60C,QAAQ,GAAG,CAAC,CAAC70C,IAAI,CAACmsB,GAAtB;AAAA,QACE2C,OAAO,GAAG9uB,IAAI,CAAC8K,EADjB,CAF2B,CAI3B;AACA;AACA;;AACA,QAAI,CAAC+pC,QAAL,EAAe;AACb,UAAI,KAAKjB,WAAL,KAAqB,KAAKvY,KAA9B,EAAqC;AACnCj1B,wBAAM,CAACC,GAAP,CAAW,+EAAX;AACA,aAAKutC,WAAL,GAAmB,KAAKvY,KAAxB;AACA,YAAImY,WAAW,GAAG,KAAKA,WAAvB,CAHmC,CAInC;;AACA,YAAIA,WAAW,CAAC5d,MAAhB,EAAwB;AACtBxvB,0BAAM,CAACC,GAAP,CAAW,0DAAX;AACAmtC,qBAAW,CAAC5d,MAAZ,CAAmB4J,KAAnB;AACD;;AACD,aAAKgU,WAAL,GAAmB,IAAnB;AACA,aAAK3E,YAAL,GAAoB,IAApB,CAVmC,CAWnC;;AACA,YAAI,KAAKhmB,OAAT,EAAkB;AAChB,eAAKA,OAAL,CAAazjB,OAAb;AACA,eAAKyjB,OAAL,GAAe,IAAf;AACD,SAfkC,CAgBnC;;;AACA,aAAKlO,KAAL,GAAa83B,KAAK,CAACG,IAAnB;AACD;;AACD,UAAI7f,GAAG,GAAG,KAAKA,GAAf,CApBa,CAqBb;;AACAA,SAAG,CAAC/rB,OAAJ,CAAYC,iBAAK,CAACypB,eAAlB,EAAmC;AAAEpV,mBAAW,EAAE,CAAf;AAAkBo9B,iBAAS,EAAE3gB,MAAM,CAACkgB,iBAApC;AAAuD9wC,YAAI,EAAE;AAA7D,OAAnC;AACA4rB,SAAG,CAAC/rB,OAAJ,CAAYC,iBAAK,CAACuqB,oBAAlB,EAAwC;AAAE1mB,UAAE,EAAEgkB;AAAN,OAAxC;AACA,WAAK+lB,QAAL,GAAgB,KAAhB;AACD;AACF,G;;SAEDiG,oB,GAAA,8BAAsB96C,IAAtB,EAA4B;AAC1B,QAAI8uB,OAAO,GAAG9uB,IAAI,CAAC8K,EAAnB;AAAA,QACE+pC,QAAQ,GAAG,CAAC,CAAC,KAAK9hB,GAAL,CAASuO,WAAT,CAAqBxS,OAArB,EAA8B3C,GAD7C;;AAEA,QAAI0oB,QAAJ,EAAc;AACZ,UAAIkG,WAAW,GAAG,KAAKA,WAAvB,CADY,CAEZ;;AACA,UAAIA,WAAW,IAAI,KAAKnH,WAAL,KAAqBmH,WAAxC,EAAqD;AACnD30C,wBAAM,CAACC,GAAP,CAAW,oFAAX;AACA,aAAKutC,WAAL,GAAmBmH,WAAnB;AACD;AACF;;AACD,SAAKlG,QAAL,GAAgBA,QAAhB;AACA,SAAK9C,IAAL;AACD,G;;SAEDiJ,e,GAAA,yBAAiBh7C,IAAjB,EAAuB;AACrB,QAAI+f,MAAM,GAAG/f,IAAI,CAAC+f,MAAlB;AAAA,QAA0Bk7B,UAA1B;AAAA,QAAsC/6C,IAAtC;AAAA,QAA4Cg7C,SAAS,GAAG,KAAxD;;AACA,SAAK,IAAI/zC,IAAT,IAAiB4Y,MAAjB,EAAyB;AACvB,UAAIzW,KAAK,GAAGyW,MAAM,CAAC5Y,IAAD,CAAlB;;AACA,UAAImC,KAAK,CAACwB,EAAN,KAAa,MAAjB,EAAyB;AACvB5K,YAAI,GAAGiH,IAAP;AACA8zC,kBAAU,GAAG3xC,KAAb,CAFuB,CAGvB;;AACA,YAAInC,IAAI,KAAK,OAAb,EAAsB;AACpB,eAAK4zC,WAAL,GAAmBh7B,MAAM,CAAC5Y,IAAD,CAAN,CAAa5G,MAAhC;AACD;AACF,OAPD,MAOO;AACL26C,iBAAS,GAAG,IAAZ;AACD;AACF;;AACD,QAAIA,SAAS,IAAID,UAAjB,EAA6B;AAC3B70C,sBAAM,CAACC,GAAP,iCAAyCnG,IAAzC;AACA,WAAK0zC,WAAL,GAAmBqH,UAAU,CAAC16C,MAA9B;AACD,KAHD,MAGO;AACL,WAAKqzC,WAAL,GAAmB,KAAKvY,KAAxB;AACD;AACF,G;;SAEDuL,gB,GAAA,0BAAkB5mC,IAAlB,EAAwB;AACtB,QAAIA,IAAI,CAACw6C,MAAL,KAAgB,MAApB,EAA4B;AAC1B,UAAM7/B,KAAK,GAAG,KAAKA,KAAnB;;AACA,UAAIA,KAAK,KAAK83B,KAAK,CAACO,OAAhB,IAA2Br4B,KAAK,KAAK83B,KAAK,CAACQ,MAA/C,EAAuD;AACrD;AACA,aAAK8G,gBAAL,GAAyB/5C,IAAI,CAACm7C,OAAL,GAAe,CAAxC;;AACA,aAAKP,oBAAL;AACD;AACF;AACF,G;;SAEDA,oB,GAAA,gCAAwB;AACtB;AACA,QAAI,KAAKjgC,KAAL,KAAe83B,KAAK,CAACQ,MAArB,KAAgC,CAAC,KAAK+G,QAAN,IAAkB,CAAC,KAAKD,gBAAxD,CAAJ,EAA+E;AAC7E,UAAMhjC,IAAI,GAAG,KAAKy8B,WAAlB;;AACA,UAAIz8B,IAAJ,EAAU;AACR,YAAMskB,KAAK,GAAG,KAAKuY,WAAL,GAAmB,KAAKA,WAAxB,GAAsC,KAAKvY,KAAzD;AACAj1B,wBAAM,CAACC,GAAP,sBAA8BomC,WAAU,CAAChzB,QAAX,CAAoB4hB,KAAK,CAAC8J,QAA1B,CAA9B;AACA,aAAK0J,YAAL,GAAoB93B,IAApB;AACA,YAAMqS,KAAK,GAAG,KAAKA,KAAnB;AACAA,aAAK,CAAC0wB,SAAN,GAAkBpc,MAAM,CAAChV,WAAP,CAAmBD,GAAnB,EAAlB,CALQ,CAMR;;AACA,aAAKgwB,YAAL,GAAoB7qC,IAAI,CAAC6J,KAAL,CAAW,IAAI2R,KAAK,CAACgyB,KAAV,IAAmBhyB,KAAK,CAAC0wB,SAAN,GAAkB1wB,KAAK,CAACiyB,MAA3C,CAAX,CAApB;AACA,aAAKtoB,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACmrB,aAAvB,EAAsC;AAAEhJ,eAAK,EAAEA,KAAT;AAAgBrS,cAAI,EAAEA,IAAtB;AAA4BjM,YAAE,EAAE;AAAhC,SAAtC;AACA,aAAK6P,KAAL,GAAa83B,KAAK,CAACG,IAAnB;AACD;;AACD,WAAKb,IAAL;AACD;AACF,G;;SAEDtR,O,GAAA,iBAASzgC,IAAT,EAAe;AACb,QAAI+W,IAAI,GAAG/W,IAAI,CAAC+W,IAAL,IAAa,KAAKy8B,WAA7B,CADa,CAEb;;AACA,QAAIz8B,IAAI,IAAIA,IAAI,CAAC5P,IAAL,KAAc,MAA1B,EAAkC;AAChC;AACD,KALY,CAOb;;;AACA,QAAIm0C,aAAa,GAAG,CAAC,CAAC,KAAKjgB,KAAP,IAAgBoM,YAAY,CAACC,UAAb,CAAwB,KAAKrM,KAA7B,EAAoC,KAAKA,KAAL,CAAWqN,WAA/C,CAAhB,IAA+EjB,YAAY,CAACC,UAAb,CAAwB,KAAKrM,KAA7B,EAAoC,KAAKA,KAAL,CAAWqN,WAAX,GAAyB,GAA7D,CAAnG;;AAEA,YAAQ1oC,IAAI,CAACsH,OAAb;AACA,WAAKC,sBAAY,CAACs8B,eAAlB;AACA,WAAKt8B,sBAAY,CAACu8B,iBAAlB;AACA,WAAKv8B,sBAAY,CAAC68B,cAAlB;AACA,WAAK78B,sBAAY,CAAC88B,gBAAlB;AACE,YAAI,CAACrkC,IAAI,CAACyH,KAAV,EAAiB;AACf;AACA,cAAK,KAAKqtC,aAAL,GAAqB,CAAtB,IAA4B,KAAKpvC,MAAL,CAAY61C,mBAA5C,EAAiE;AAC/D;AACA,gBAAIC,KAAK,GAAG5tC,IAAI,CAACC,GAAL,CAASD,IAAI,CAACiO,GAAL,CAAS,CAAT,EAAY,KAAKi5B,aAAjB,IAAkC,KAAKpvC,MAAL,CAAYy+B,qBAAvD,EAA8E,KAAKz+B,MAAL,CAAYg+B,0BAA1F,CAAZ;AACAt9B,4BAAM,CAACgN,IAAP,qDAA8DooC,KAA9D;AACA,iBAAKpG,SAAL,GAAiB1X,MAAM,CAAChV,WAAP,CAAmBD,GAAnB,KAA2B+yB,KAA5C,CAJ+D,CAK/D;AACA;AACA;;AACA,gBAAI,CAAC,KAAKxH,cAAV,EAA0B;AACxB,mBAAKe,kBAAL,GAA0B,KAA1B;AACA,mBAAKd,gBAAL,GAAwB,KAAKC,aAA7B;AACD;;AACD,iBAAKY,aAAL;AACA,iBAAKn6B,KAAL,GAAa83B,KAAK,CAACK,0BAAnB;AACD,WAdD,MAcO;AACL1sC,4BAAM,CAACU,KAAP,uBAAiC9G,IAAI,CAACsH,OAAtC,kDADK,CAEL;;AACAtH,gBAAI,CAACyH,KAAL,GAAa,IAAb;AACA,iBAAKkT,KAAL,GAAa83B,KAAK,CAACvrC,KAAnB;AACD;AACF;;AACD;;AACF,WAAKK,sBAAY,CAACo7B,gBAAlB;AACA,WAAKp7B,sBAAY,CAACm7B,kBAAlB;AACE,YAAI,KAAK/nB,KAAL,KAAe83B,KAAK,CAACvrC,KAAzB,EAAgC;AAC9B,cAAIlH,IAAI,CAACyH,KAAT,EAAgB;AACd;AACA,iBAAKkT,KAAL,GAAa83B,KAAK,CAACvrC,KAAnB;AACAd,4BAAM,CAACgN,IAAP,wBAAiCpT,IAAI,CAACsH,OAAtC,mBAA2D,KAAKqT,KAAhE;AACD,WAJD,MAIO;AACL;AACA,gBAAI,CAAC3a,IAAI,CAACy7C,UAAN,IAAoB,KAAK9gC,KAAL,KAAe83B,KAAK,CAACW,aAA7C,EAA4D;AAC1D,mBAAKz4B,KAAL,GAAa83B,KAAK,CAACG,IAAnB;AACD;AACF;AACF;;AACD;;AACF,WAAKrrC,sBAAY,CAACm0C,iBAAlB;AACE;AACA,YAAI17C,IAAI,CAACw6C,MAAL,KAAgB,MAAhB,KAA2B,KAAK7/B,KAAL,KAAe83B,KAAK,CAACO,OAArB,IAAgC,KAAKr4B,KAAL,KAAe83B,KAAK,CAACQ,MAAhF,CAAJ,EAA6F;AAC3F;AACA,cAAIqI,aAAJ,EAAmB;AACjB,iBAAK/D,sBAAL,CAA4B,KAAK7xC,MAAL,CAAYmwC,eAAxC;;AACA,iBAAKl7B,KAAL,GAAa83B,KAAK,CAACG,IAAnB;AACD,WAHD,MAGO;AACL;AACA;AACA;AACAxsC,4BAAM,CAACgN,IAAP,CAAY,4EAAZ;AACA,iBAAKogC,WAAL,GAAmB,IAAnB,CALK,CAML;;AACA,iBAAKwE,eAAL,CAAqB,CAArB,EAAwBjgB,MAAM,CAACkgB,iBAA/B;AACD;AACF;;AACD;;AACF;AACE;AA/DF;AAiED,G;;SAEDV,sB,GAAA,gCAAwBoE,SAAxB,EAAmC;AACjC,QAAIj2C,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAIA,MAAM,CAACowC,kBAAP,IAA6B6F,SAAjC,EAA4C;AAC1C;AACAj2C,YAAM,CAACowC,kBAAP,IAA6B,CAA7B;AACA1vC,sBAAM,CAACgN,IAAP,uCAAgD1N,MAAM,CAACowC,kBAAvD;AACA,aAAO,IAAP;AACD;;AACD,WAAO,KAAP;AACD;AAED;;;;;;SAIAT,Y,GAAA,wBAAgB;AAAA,QACNha,KADM,GACI,IADJ,CACNA,KADM;;AAEd,QAAI,CAACA,KAAD,IAAUA,KAAK,CAACsb,UAAN,KAAqB,CAAnC,EAAsC;AACpC;AACA;AACD;;AAED,QAAM/C,WAAW,GAAG,KAAKA,WAAL,GAAmB,KAAKA,WAAxB,GAAsCvY,KAA1D;AACA,QAAM8J,QAAQ,GAAGyO,WAAW,CAACzO,QAA7B;;AAEA,QAAI,CAAC,KAAK6O,cAAN,IAAwB7O,QAAQ,CAACpiC,MAArC,EAA6C;AAC3C,WAAKixC,cAAL,GAAsB,IAAtB;;AACA,WAAK4H,eAAL;AACD,KAHD,MAGO,IAAI,KAAK/D,eAAT,EAA0B;AAC/B,WAAKK,uBAAL;AACD,KAFM,MAEA;AACL,WAAKtD,aAAL,CAAmB/E,IAAnB,CAAwB,KAAKC,eAA7B,EAA8C3K,QAA9C;AACD;AACF,G;;SAED0W,0B,GAAA,sCAA8B;AAC5B,SAAKlhC,KAAL,GAAa83B,KAAK,CAACG,IAAnB,CAD4B,CAE5B;AACA;;AACA,QAAI,CAAC,KAAKoB,cAAV,EAA0B;AACxB,WAAKe,kBAAL,GAA0B,KAA1B;AACA,WAAKd,gBAAL,GAAwB,KAAKC,aAA7B;AACD;;AACD,SAAKnC,IAAL;AACD,G;;SAED+J,e,GAAA,2BAAmB;AACjB;;;AAGA,QAAMzgB,KAAK,GAAG,KAAKuY,WAAL,GAAmB,KAAKA,WAAxB,GAAsC,KAAKvY,KAAzD;;AACA,QAAIA,KAAJ,EAAW;AACT;AACA,WAAKkU,eAAL,CAAqBlK,sBAArB,CAA4C5Q,qBAAqB,CAACO,KAAlE,EAAyEqG,KAAK,CAAC8J,QAA/E;AACD,KARgB,CASjB;;;AACA,SAAKxqB,KAAL,GAAa83B,KAAK,CAACG,IAAnB,CAViB,CAWjB;;AACA,SAAK/D,YAAL,GAAoB,IAApB;AACD,G;;SAEDkN,c,GAAA,0BAAkB;AAChB,SAAKrH,cAAL,GAAsB,CAAC,KAAKA,cAA5B;AACD;AACD;;;;;;SAIAkH,e,GAAA,2BAAmB;AAAA,QACTvgB,KADS,GACC,IADD,CACTA,KADS;AAEjB,QAAMqN,WAAW,GAAGrN,KAAK,CAACqN,WAA1B,CAFiB,CAGjB;AACA;;AACA,QAAMwL,aAAa,GAAG7Y,KAAK,CAACuU,OAAN,GAAgBlH,WAAhB,GAA8B,KAAKwL,aAAzD,CALiB,CAMjB;;AACA,QAAIxL,WAAW,KAAKwL,aAAhB,IAAiCA,aAAa,IAAI,CAAtD,EAAyD;AACvD;AACA9tC,sBAAM,CAACC,GAAP,oEAA4E6tC,aAA5E,2BAA+GxL,WAA/G;AACArN,WAAK,CAACqN,WAAN,GAAoBwL,aAApB;AACD;AACF,G;;SAEDgG,c,GAAA,wBAAgBL,YAAhB,EAA8B;AAC5B,QAAIjyC,UAAU,GAAG,KAAKlC,MAAL,CAAYs2C,iBAAZ,IAAiCnC,YAAY,CAACjyC,UAA/D;;AACA,QAAI,KAAK8sC,cAAT,EAAyB;AACvBtuC,sBAAM,CAACC,GAAP,CAAW,+BAAX;;AACA,UAAIuB,UAAJ,EAAgB;AACd,YAAIA,UAAU,CAACa,OAAX,CAAmB,WAAnB,MAAoC,CAAC,CAAzC,EAA4C;AAC1Cb,oBAAU,GAAG,WAAb;AACD,SAFD,MAEO;AACLA,oBAAU,GAAG,WAAb;AACD;AACF;AACF;;AAED,WAAOA,UAAP;AACD,G;;;;sBA33BUq0C,S,EAAW;AACpB,UAAI,KAAKthC,KAAL,KAAeshC,SAAnB,EAA8B;AAC5B,YAAMC,aAAa,GAAG,KAAKvhC,KAA3B;AACA,aAAKg6B,MAAL,GAAcsH,SAAd;AACA71C,wBAAM,CAACC,GAAP,8BAAsC61C,aAAtC,UAAwDD,SAAxD;AACA,aAAKlpB,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAAC0rB,uBAAvB,EAAgD;AAAEupB,uBAAa,EAAbA,aAAF;AAAiBD,mBAAS,EAATA;AAAjB,SAAhD;AACD;AACF,K;wBAEY;AACX,aAAO,KAAKtH,MAAZ;AACD;;;wBAMmB;AAClB,UAAItZ,KAAK,GAAG,KAAKA,KAAjB;;AACA,UAAIA,KAAJ,EAAW;AACT,YAAMtkB,IAAI,GAAG,KAAKguB,eAAL,CAAqB1J,KAAK,CAACqN,WAA3B,CAAb;;AACA,YAAI3xB,IAAJ,EAAU;AACR,iBAAOA,IAAI,CAAC2e,KAAZ;AACD;AACF;;AACD,aAAO,CAAC,CAAR;AACD;;;wBAEuB;AACtB,UAAI2F,KAAK,GAAG,KAAKA,KAAjB;;AACA,UAAIA,KAAJ,EAAW;AACT;AACA,eAAO,KAAKmc,qBAAL,CAA2B,KAAKzS,eAAL,CAAqB1J,KAAK,CAACqN,WAA3B,CAA3B,CAAP;AACD,OAHD,MAGO;AACL,eAAO,IAAP;AACD;AACF;;;wBAUgB;AACf,UAAM3xB,IAAI,GAAG,KAAKuhC,gBAAlB;;AACA,UAAIvhC,IAAJ,EAAU;AACR,eAAOA,IAAI,CAAC2e,KAAZ;AACD,OAFD,MAEO;AACL,eAAO,CAAC,CAAR;AACD;AACF;;;wBAw0BuB;AACtB,aAAO,KAAKymB,iBAAZ;AACD,K;sBAEqB1hC,K,EAAO;AAC3B,WAAK0hC,iBAAL,GAAyB1hC,KAAzB;AACD;;;;EAhzC4B44B,2C;;AAkzChBoB,wFAAf,E;;;;;;;;ACx0CA;;;AAIA;AACA;AACA;AACA;AACA;AACA;8BAEwB/W,M;IAAhBhV,4B,2BAAAA,W;AACR,IAAI0zB,eAAJ;;IAEqBC,gC;;;;;AACnB,2BAAatpB,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACE9rB,iBAAK,CAAC4pB,eADR,EAEE5pB,iBAAK,CAACiqB,YAFR,EAGEjqB,iBAAK,CAACuqB,oBAHR,EAIEvqB,iBAAK,CAACkrB,WAJR,EAKElrB,iBAAK,CAACC,KALR;AAOA,UAAKo1C,OAAL,GAAe,KAAf;AACA,UAAKC,iBAAL,GAAyB,IAAzB;AACA,UAAKC,gBAAL,GAAwB,CAAC,CAAzB;AACA,UAAKC,KAAL,GAAa,IAAb;AAEAL,mBAAe,GAAG,iBAAiB7zC,IAAjB,CAAsBL,SAAS,CAACD,SAAV,CAAoBE,WAApB,EAAtB,CAAlB;AAbgB;AAcjB;;;;SAEDkrB,mB,GAAA,+BAAuB;AACrB,SAAKqpB,UAAL;AACA,SAAKF,gBAAL,GAAwB,CAAC,CAAzB;AACD,G;;SAEDE,U,GAAA,sBAAc;AACZ,QAAI,KAAKD,KAAL,KAAe,IAAnB,EAAyB;AACvBnK,kBAAY,CAAC,KAAKmK,KAAN,CAAZ;AACA,WAAKA,KAAL,GAAa,IAAb;AACD;AACF,G;;SAEDnJ,S,GAAA,qBAAa;AACX,QAAI/Y,MAAM,GAAG,KAAKoiB,OAAlB;AAEA,SAAKL,OAAL,GAAe,IAAf;AACA,SAAKM,eAAL,GAAuB,CAAvB,CAJW,CAMX;;AACA,QAAIriB,MAAJ,EAAY;AACVA,YAAM,CAAC/hB,OAAP,CAAe,UAAAkd,KAAK,EAAI;AACtBA,aAAK,CAACmnB,SAAN,GAAkB,CAAlB;AACA,YAAMjb,YAAY,GAAGlM,KAAK,CAACpuB,OAA3B;;AACA,YAAIs6B,YAAY,IAAIA,YAAY,CAAC7K,IAAjC,EAAuC;AACrCrB,eAAK,CAACpuB,OAAN,GAAgBjC,SAAhB;AACD;AACF,OAND;AAOD,KAfU,CAgBX;;;AACA,QAAI,KAAKo3C,KAAL,KAAe,IAAnB,EAAyB;AACvB,WAAKK,SAAL;AACD;AACF,G;;SAEDvJ,Q,GAAA,oBAAY;AACV,SAAK+I,OAAL,GAAe,KAAf;AACD,G;;SAEDS,gB,GAAA,0BAAkB/8C,IAAlB,EAAwB;AACtB,QAAIu6B,MAAM,GAAG,EAAb;AACA,QAAI+G,WAAW,GAAG,EAAlB;AACA,QAAI0b,YAAJ;AACA,QAAIC,QAAQ,GAAG,EAAf;AACA,QAAIC,YAAY,GAAG,IAAnB;AACA,QAAIC,eAAe,GAAG,KAAtB;AACA,QAAIC,eAAe,GAAG,KAAtB,CAPsB,CAStB;;AACAp9C,QAAI,CAACu6B,MAAL,CAAY/hB,OAAZ,CAAoB,UAAAkd,KAAK,EAAI;AAC3B,UAAM2nB,UAAU,GAAG3nB,KAAK,CAAC+B,KAAzB;AACA/B,WAAK,CAACmnB,SAAN,GAAkB,CAAlB;AACAnnB,WAAK,CAAC4nB,aAAN,GAAsB,KAAtB;AAEAH,qBAAe,GAAGA,eAAe,IAAI,CAAC,CAACznB,KAAK,CAAChrB,UAA7C;AACA0yC,qBAAe,GAAGA,eAAe,IAAI,CAAC,CAAC1nB,KAAK,CAAC9tB,UAA7C,CAN2B,CAQ3B;AACA;;AACA,UAAIw0C,eAAe,IAAI1mB,KAAK,CAAC9tB,UAAzB,IAAuC8tB,KAAK,CAAC9tB,UAAN,CAAiBa,OAAjB,CAAyB,YAAzB,MAA2C,CAAC,CAAvF,EAA0F;AACxFitB,aAAK,CAAC9tB,UAAN,GAAmBvC,SAAnB;AACD;;AAED63C,kBAAY,GAAGD,QAAQ,CAACvnB,KAAK,CAACoF,OAAP,CAAvB,CAd2B,CAca;;AAExC,UAAI,CAACoiB,YAAL,EAAmB;AACjBxnB,aAAK,CAACvJ,GAAN,GAAY,CAACuJ,KAAK,CAACvJ,GAAP,CAAZ;AACAuJ,aAAK,CAACD,KAAN,GAAc,CAAd;AACAwnB,gBAAQ,CAACvnB,KAAK,CAACoF,OAAP,CAAR,GAA0BpF,KAA1B;AACA6E,cAAM,CAACnwB,IAAP,CAAYsrB,KAAZ;AACD,OALD,MAKO;AACLwnB,oBAAY,CAAC/wB,GAAb,CAAiB/hB,IAAjB,CAAsBsrB,KAAK,CAACvJ,GAA5B;AACD;;AAED,UAAIkxB,UAAJ,EAAgB;AACd,YAAIA,UAAU,CAACtoB,KAAf,EAAsB;AACpBqoB,yBAAe,GAAG,IAAlB;AACAhT,oBAAU,CAAC8S,YAAY,IAAIxnB,KAAjB,EAAwB,OAAxB,EAAiC2nB,UAAU,CAACtoB,KAA5C,CAAV;AACD;;AACD,YAAIsoB,UAAU,CAACE,SAAf,EAA0B;AACxBnT,oBAAU,CAAC8S,YAAY,IAAIxnB,KAAjB,EAAwB,MAAxB,EAAgC2nB,UAAU,CAACE,SAA3C,CAAV;AACD;AACF;AACF,KAlCD,EAVsB,CA8CtB;;AACA,QAAIJ,eAAe,IAAIC,eAAvB,EAAwC;AACtC7iB,YAAM,GAAGA,MAAM,CAAClT,MAAP,CAAc;AAAA,YAAG3c,UAAH,QAAGA,UAAH;AAAA,eAAoB,CAAC,CAACA,UAAtB;AAAA,OAAd,CAAT;AACD,KAjDqB,CAmDtB;;;AACA6vB,UAAM,GAAGA,MAAM,CAAClT,MAAP,CAAc,iBAAgC;AAAA,UAA7Bzf,UAA6B,SAA7BA,UAA6B;AAAA,UAAjB8C,UAAiB,SAAjBA,UAAiB;AACrD,aAAO,CAAC,CAAC9C,UAAD,IAAeqxB,qBAAqB,CAACrxB,UAAD,EAAa,OAAb,CAArC,MAAgE,CAAC8C,UAAD,IAAeuuB,qBAAqB,CAACvuB,UAAD,EAAa,OAAb,CAApG,CAAP;AACD,KAFQ,CAAT;;AAIA,QAAI1K,IAAI,CAACshC,WAAT,EAAsB;AACpBA,iBAAW,GAAGthC,IAAI,CAACshC,WAAL,CAAiBja,MAAjB,CAAwB,UAAA/d,KAAK;AAAA,eAAI,CAACA,KAAK,CAAC1B,UAAP,IAAqBqxB,qBAAqB,CAAC3vB,KAAK,CAAC1B,UAAP,EAAmB,OAAnB,CAA9C;AAAA,OAA7B,CAAd,CADoB,CAEpB;;AACA05B,iBAAW,CAAC9oB,OAAZ,CAAoB,UAAClP,KAAD,EAAQ4e,KAAR,EAAkB;AACpC5e,aAAK,CAACwB,EAAN,GAAWod,KAAX;AACD,OAFD;AAGD;;AAED,QAAIqS,MAAM,CAACx3B,MAAP,GAAgB,CAApB,EAAuB;AACrB;AACAi6C,kBAAY,GAAGziB,MAAM,CAAC,CAAD,CAAN,CAAUO,OAAzB,CAFqB,CAGrB;;AACAP,YAAM,CAAC3V,IAAP,CAAY,UAACC,CAAD,EAAIhM,CAAJ;AAAA,eAAUgM,CAAC,CAACiW,OAAF,GAAYjiB,CAAC,CAACiiB,OAAxB;AAAA,OAAZ;AACA,WAAK6hB,OAAL,GAAepiB,MAAf,CALqB,CAMrB;;AACA,WAAK,IAAI74B,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG64B,MAAM,CAACx3B,MAA3B,EAAmCrB,CAAC,EAApC,EAAwC;AACtC,YAAI64B,MAAM,CAAC74B,CAAD,CAAN,CAAUo5B,OAAV,KAAsBkiB,YAA1B,EAAwC;AACtC,eAAKQ,WAAL,GAAmB97C,CAAnB;AACA0E,0BAAM,CAACC,GAAP,sBAA8Bk0B,MAAM,CAACx3B,MAArC,uCAA6Ei6C,YAA7E;AACA;AACD;AACF,OAboB,CAerB;;;AACA,WAAKjqB,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAAC6pB,eAAvB,EAAwC;AACtCyJ,cAAM,EAANA,MADsC;AAEtC+G,mBAAW,EAAXA,WAFsC;AAGtCmc,kBAAU,EAAE,KAAKD,WAHqB;AAItCp0B,aAAK,EAAEppB,IAAI,CAACopB,KAJ0B;AAKtC1W,aAAK,EAAE0qC,eAL+B;AAMtC3qC,aAAK,EAAE0qC,eAN+B;AAOtCtI,gBAAQ,EAAEvT,WAAW,CAACoc,IAAZ,CAAiB,UAAA/6C,CAAC;AAAA,iBAAI,CAAC,CAACA,CAAC,CAACwpB,GAAR;AAAA,SAAlB;AAP4B,OAAxC;AASD,KAzBD,MAyBO;AACL,WAAK4G,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,YAAI,EAAEC,oBAAU,CAACC,WADW;AAE5BC,eAAO,EAAEC,sBAAY,CAACo2C,kCAFM;AAG5Bl2C,aAAK,EAAE,IAHqB;AAI5B0kB,WAAG,EAAE,KAAK4G,GAAL,CAAS5G,GAJc;AAK5BzkB,cAAM,EAAE;AALoB,OAA9B;AAOD;AACF,G;;SAoBDk2C,gB,GAAA,0BAAkBC,QAAlB,EAA4B;AAC1B,QAAMtjB,MAAM,GAAG,KAAKoiB,OAApB;AACA,QAAM5pB,GAAG,GAAG,KAAKA,GAAjB,CAF0B,CAG1B;;AACA,QAAI8qB,QAAQ,IAAI,CAAZ,IAAiBA,QAAQ,GAAGtjB,MAAM,CAACx3B,MAAvC,EAA+C;AAC7C;AACA,WAAK25C,UAAL;;AACA,UAAI,KAAKH,iBAAL,KAA2BsB,QAA/B,EAAyC;AACvCz3C,wBAAM,CAACC,GAAP,yBAAiCw3C,QAAjC;AACA,aAAKtB,iBAAL,GAAyBsB,QAAzB;AACA,YAAMC,eAAe,GAAGvjB,MAAM,CAACsjB,QAAD,CAA9B;AACAC,uBAAe,CAACpoB,KAAhB,GAAwBmoB,QAAxB;AACA9qB,WAAG,CAAC/rB,OAAJ,CAAYC,iBAAK,CAAC8pB,eAAlB,EAAmC+sB,eAAnC;AACD;;AACD,UAAMpoB,KAAK,GAAG6E,MAAM,CAACsjB,QAAD,CAApB;AACA,UAAMjc,YAAY,GAAGlM,KAAK,CAACpuB,OAA3B,CAX6C,CAa7C;;AACA,UAAI,CAACs6B,YAAD,IAAiBA,YAAY,CAAC7K,IAAlC,EAAwC;AACtC;AACA,YAAItB,KAAK,GAAGC,KAAK,CAACD,KAAlB;AACA1C,WAAG,CAAC/rB,OAAJ,CAAYC,iBAAK,CAACgqB,aAAlB,EAAiC;AAAE9E,aAAG,EAAEuJ,KAAK,CAACvJ,GAAN,CAAUsJ,KAAV,CAAP;AAAyBC,eAAK,EAAEmoB,QAAhC;AAA0C/yC,YAAE,EAAE2qB;AAA9C,SAAjC;AACD;AACF,KAnBD,MAmBO;AACL;AACA1C,SAAG,CAAC/rB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AACvBC,YAAI,EAAEC,oBAAU,CAACysB,WADM;AAEvBvsB,eAAO,EAAEC,sBAAY,CAACw2C,kBAFC;AAGvBroB,aAAK,EAAEmoB,QAHgB;AAIvBp2C,aAAK,EAAE,KAJgB;AAKvBC,cAAM,EAAE;AALe,OAAzB;AAOD;AACF,G;;SA4CD+4B,O,GAAA,iBAASzgC,IAAT,EAAe;AACb,QAAIA,IAAI,CAACyH,KAAT,EAAgB;AACd,UAAIzH,IAAI,CAACmH,IAAL,KAAcC,oBAAU,CAACk7B,aAA7B,EAA4C;AAC1C,aAAKoa,UAAL;AACD;;AAED;AACD;;AAED,QAAIsB,UAAU,GAAG,KAAjB;AAAA,QAAwBV,aAAa,GAAG,KAAxC;AACA,QAAIW,UAAJ,CAVa,CAYb;;AACA,YAAQj+C,IAAI,CAACsH,OAAb;AACA,WAAKC,sBAAY,CAACs8B,eAAlB;AACA,WAAKt8B,sBAAY,CAACu8B,iBAAlB;AACA,WAAKv8B,sBAAY,CAAC68B,cAAlB;AACA,WAAK78B,sBAAY,CAAC88B,gBAAlB;AACE4Z,kBAAU,GAAGj+C,IAAI,CAAC+W,IAAL,CAAU2e,KAAvB;AACA4nB,qBAAa,GAAG,IAAhB;AACA;;AACF,WAAK/1C,sBAAY,CAACo7B,gBAAlB;AACA,WAAKp7B,sBAAY,CAACm7B,kBAAlB;AACEub,kBAAU,GAAGj+C,IAAI,CAACi+B,OAAL,CAAavI,KAA1B;AACAsoB,kBAAU,GAAG,IAAb;AACA;;AACF,WAAKz2C,sBAAY,CAACme,iBAAlB;AACEu4B,kBAAU,GAAGj+C,IAAI,CAAC01B,KAAlB;AACAsoB,kBAAU,GAAG,IAAb;AACA;AAhBF;;AAmBA,QAAIC,UAAU,KAAK54C,SAAnB,EAA8B;AAC5B,WAAK64C,YAAL,CAAkBl+C,IAAlB,EAAwBi+C,UAAxB,EAAoCD,UAApC,EAAgDV,aAAhD;AACD;AACF;AAED;;;;;;;;;AASA;;;SACAY,Y,GAAA,sBAAcC,UAAd,EAA0BF,UAA1B,EAAsCD,UAAtC,EAAkDV,aAAlD,EAAiE;AAAA;;AAAA,QACzD53C,MADyD,GAC9C,KAAKqtB,GADyC,CACzDrtB,MADyD;AAAA,QAEhD04C,YAFgD,GAE/BD,UAF+B,CAEzD72C,OAFyD;AAG/D,QAAIouB,KAAK,GAAG,KAAKinB,OAAL,CAAasB,UAAb,CAAZ;AACA,QAAII,eAAJ,EAAqB7C,KAArB,EAA4BhD,SAA5B;AAEA9iB,SAAK,CAACmnB,SAAN;AACAnnB,SAAK,CAAC4nB,aAAN,GAAsBA,aAAtB;;AAEA,QAAIU,UAAJ,EAAgB;AACd,UAAK,KAAKpB,eAAL,GAAuB,CAAxB,IAA8Bl3C,MAAM,CAACw6B,oBAAzC,EAA+D;AAC7D;AACAsb,aAAK,GAAG5tC,IAAI,CAACC,GAAL,CAASD,IAAI,CAACiO,GAAL,CAAS,CAAT,EAAY,KAAK+gC,eAAjB,IAAoCl3C,MAAM,CAACy6B,sBAApD,EAA4Ez6B,MAAM,CAAC06B,2BAAnF,CAAR,CAF6D,CAG7D;;AACA,aAAKqc,KAAL,GAAajK,UAAU,CAAC;AAAA,iBAAM,MAAI,CAACsK,SAAL,EAAN;AAAA,SAAD,EAAyBtB,KAAzB,CAAvB,CAJ6D,CAK7D;;AACA2C,kBAAU,CAAC1C,UAAX,GAAwB,IAAxB;AACA,aAAKmB,eAAL;AACAx2C,wBAAM,CAACgN,IAAP,wBAAiCgrC,YAAjC,mBAA2D5C,KAA3D,oCAA+F,KAAKoB,eAApG;AACD,OATD,MASO;AACLx2C,wBAAM,CAACU,KAAP,4CAAsDs3C,YAAtD;AACA,aAAK7B,iBAAL,GAAyB,IAAzB,CAFK,CAGL;;AACA,aAAKG,UAAL,GAJK,CAKL;;AACAyB,kBAAU,CAAC12C,KAAX,GAAmB,IAAnB;AACA;AACD;AACF,KA5B8D,CA8B/D;AACA;;;AACA,QAAIu2C,UAAU,IAAIV,aAAlB,EAAiC;AAC/Be,qBAAe,GAAG3oB,KAAK,CAACvJ,GAAN,CAAUppB,MAA5B;;AAEA,UAAIs7C,eAAe,GAAG,CAAlB,IAAuB3oB,KAAK,CAACmnB,SAAN,GAAkBwB,eAA7C,EAA8D;AAC5D3oB,aAAK,CAACD,KAAN,GAAc,CAACC,KAAK,CAACD,KAAN,GAAc,CAAf,IAAoB4oB,eAAlC;AACA3oB,aAAK,CAACpuB,OAAN,GAAgBjC,SAAhB;AAEAe,wBAAM,CAACgN,IAAP,wBAAiCgrC,YAAjC,mBAA2DH,UAA3D,wCAAwGvoB,KAAK,CAACD,KAA9G,EAJ4D,CAM5D;AACA;AACD,OARD,MAQO;AACL;AACA,YAAI,KAAK+mB,gBAAL,KAA0B,CAAC,CAA/B,EAAkC;AAChC;AACAhE,mBAAS,GAAIyF,UAAU,KAAK,CAAhB,GAAqB,KAAKtB,OAAL,CAAa55C,MAAb,GAAsB,CAA3C,GAA+Ck7C,UAAU,GAAG,CAAxE;AACA73C,0BAAM,CAACgN,IAAP,wBAAiCgrC,YAAjC,oBAA4D5F,SAA5D;AACA,eAAKzlB,GAAL,CAASurB,aAAT,GAAyB,KAAK/B,iBAAL,GAAyB/D,SAAlD;AACD,SALD,MAKO,IAAI8E,aAAJ,EAAmB;AACxB;AACA;AACAl3C,0BAAM,CAACgN,IAAP,wBAAiCgrC,YAAjC;AACA,eAAK7B,iBAAL,GAAyB,IAAzB;AACD;AACF;AACF;AACF,G,CAED;;;SACA7V,Y,GAAA,6BAAwB;AAAA,QAAR3vB,IAAQ,SAARA,IAAQ;;AACtB,QAAIA,IAAI,KAAK1R,SAAT,IAAsB0R,IAAI,CAAC5P,IAAL,KAAc,MAAxC,EAAgD;AAC9C,UAAMuuB,KAAK,GAAG,KAAKinB,OAAL,CAAa5lC,IAAI,CAAC2e,KAAlB,CAAd;;AACA,UAAIA,KAAK,KAAKrwB,SAAd,EAAyB;AACvBqwB,aAAK,CAAC4nB,aAAN,GAAsB,KAAtB;AACA5nB,aAAK,CAACmnB,SAAN,GAAkB,CAAlB;AACA,aAAKD,eAAL,GAAuB,CAAvB;AACD;AACF;AACF,G;;SAEDrD,a,GAAA,uBAAev5C,IAAf,EAAqB;AAAA;;AAAA,QACX01B,KADW,GACQ11B,IADR,CACX01B,KADW;AAAA,QACJpuB,OADI,GACQtH,IADR,CACJsH,OADI,EAEnB;;AACA,QAAIouB,KAAK,KAAK,KAAK6mB,iBAAnB,EAAsC;AACpC;AACD;;AAED,QAAM9C,QAAQ,GAAG,KAAKkD,OAAL,CAAajnB,KAAb,CAAjB,CAPmB,CAQnB;;AACA,QAAI,CAAC+jB,QAAQ,CAAC6D,aAAd,EAA6B;AAC3B7D,cAAQ,CAACoD,SAAT,GAAqB,CAArB;AACA,WAAKD,eAAL,GAAuB,CAAvB;AACD,KAZkB,CAanB;;;AACA,QAAIt1C,OAAO,CAACyvB,IAAZ,EAAkB;AAChB,UAAMwV,cAAc,GAAGH,qBAAqB,CAACqN,QAAQ,CAACnyC,OAAV,EAAmBA,OAAnB,EAA4BtH,IAAI,CAACopB,KAAL,CAAWm1B,QAAvC,CAA5C;AACAn4C,sBAAM,CAACC,GAAP,+BAAuCuH,IAAI,CAAC6J,KAAL,CAAW80B,cAAX,CAAvC;AACA,WAAKkQ,KAAL,GAAajK,UAAU,CAAC;AAAA,eAAM,MAAI,CAACsK,SAAL,EAAN;AAAA,OAAD,EAAyBvQ,cAAzB,CAAvB;AACD,KAJD,MAIO;AACL,WAAKmQ,UAAL;AACD;AACF,G;;SAED5B,oB,GAAA,8BAAsB96C,IAAtB,EAA4B;AAC1B,QAAMw+C,YAAY,GAAG,KAAKzrB,GAAL,CAASuO,WAAT,CAAqBthC,IAAI,CAAC8K,EAA1B,EAA8BwwB,OAAnD;AAEA,QAAMue,YAAY,GAAG,KAAK9mB,GAAL,CAASwH,MAAT,CAAgB,KAAKgiB,iBAArB,CAArB;;AACA,QAAI,CAAC1C,YAAL,EAAmB;AACjB;AACD;;AAED,QAAIA,YAAY,CAACxP,aAAjB,EAAgC;AAC9B,UAAI5U,KAAK,GAAG,CAAC,CAAb;;AAEA,WAAK,IAAI/zB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGm4C,YAAY,CAACxP,aAAb,CAA2BtnC,MAA/C,EAAuDrB,CAAC,EAAxD,EAA4D;AAC1D,YAAIm4C,YAAY,CAACxP,aAAb,CAA2B3oC,CAA3B,MAAkC88C,YAAtC,EAAoD;AAClD/oB,eAAK,GAAG/zB,CAAR;AACA;AACD;AACF;;AAED,UAAI+zB,KAAK,KAAKokB,YAAY,CAACpkB,KAA3B,EAAkC;AAChCokB,oBAAY,CAACpkB,KAAb,GAAqBA,KAArB;AACA,aAAK6d,SAAL;AACD;AACF;AACF,G;;SAEDwJ,S,GAAA,qBAAa;AACX12C,oBAAM,CAAC6R,KAAP,CAAa,mBAAb;;AAEA,QAAI,KAAKskC,iBAAL,KAA2B,IAA3B,IAAmC,KAAKD,OAA5C,EAAqD;AACnD,UAAMmC,WAAW,GAAG,KAAK9B,OAAL,CAAa,KAAKJ,iBAAlB,CAApB;;AAEA,UAAI,OAAOkC,WAAP,KAAuB,QAAvB,IACFA,WAAW,CAACtyB,GAAZ,CAAgBppB,MAAhB,GAAyB,CAD3B,EAC8B;AAC5B,YAAM2yB,KAAK,GAAG,KAAK6mB,iBAAnB;AACA,YAAMzxC,EAAE,GAAG2zC,WAAW,CAAChpB,KAAvB;AACA,YAAMtJ,GAAG,GAAGsyB,WAAW,CAACtyB,GAAZ,CAAgBrhB,EAAhB,CAAZ;AAEA1E,wBAAM,CAACC,GAAP,kCAA0CqvB,KAA1C,qBAA+D5qB,EAA/D,EAL4B,CAO5B;AACA;;AAEA,aAAKioB,GAAL,CAAS/rB,OAAT,CAAiBC,iBAAK,CAACgqB,aAAvB,EAAsC;AAAE9E,aAAG,EAAHA,GAAF;AAAOuJ,eAAK,EAALA,KAAP;AAAc5qB,YAAE,EAAFA;AAAd,SAAtC;AACD;AACF;AACF,G;;;;wBA1Ra;AACZ,aAAO,KAAK6xC,OAAZ;AACD;;;wBAEY;AACX,aAAO,KAAKJ,iBAAZ;AACD,K;sBAEUsB,Q,EAAU;AACnB,UAAItjB,MAAM,GAAG,KAAKoiB,OAAlB;;AACA,UAAIpiB,MAAJ,EAAY;AACVsjB,gBAAQ,GAAGjwC,IAAI,CAACC,GAAL,CAASgwC,QAAT,EAAmBtjB,MAAM,CAACx3B,MAAP,GAAgB,CAAnC,CAAX;;AACA,YAAI,KAAKw5C,iBAAL,KAA2BsB,QAA3B,IAAuC,CAACtjB,MAAM,CAACsjB,QAAD,CAAN,CAAiBv2C,OAA7D,EAAsE;AACpE,eAAKs2C,gBAAL,CAAsBC,QAAtB;AACD;AACF;AACF;;;wBAqCkB;AACjB,aAAO,KAAKrB,gBAAZ;AACD,K;sBAEgBqB,Q,EAAU;AACzB,WAAKrB,gBAAL,GAAwBqB,QAAxB;;AACA,UAAI,KAAKa,WAAL,KAAqBr5C,SAAzB,EAAoC;AAClC,aAAKq5C,WAAL,GAAmBb,QAAnB;AACD;;AAED,UAAIA,QAAQ,KAAK,CAAC,CAAlB,EAAqB;AACnB,aAAKnoB,KAAL,GAAamoB,QAAb;AACD;AACF;;;wBAEiB;AAChB,aAAO,KAAKL,WAAZ;AACD,K;sBAEeK,Q,EAAU;AACxB,WAAKL,WAAL,GAAmBK,QAAnB;AACD;;;wBAEiB;AAChB;AACA;AACA,UAAI,KAAKa,WAAL,KAAqBr5C,SAAzB,EAAoC;AAClC,YAAIs5C,gBAAgB,GAAG,KAAK5rB,GAAL,CAASrtB,MAAT,CAAgBsvC,UAAvC;;AACA,YAAI2J,gBAAgB,KAAKt5C,SAAzB,EAAoC;AAClC,iBAAOs5C,gBAAP;AACD,SAFD,MAEO;AACL,iBAAO,KAAKnB,WAAZ;AACD;AACF,OAPD,MAOO;AACL,eAAO,KAAKkB,WAAZ;AACD;AACF,K;sBAEeb,Q,EAAU;AACxB,WAAKa,WAAL,GAAmBb,QAAnB;AACD;;;wBA+LoB;AACnB,UAAI,KAAKrB,gBAAL,KAA0B,CAAC,CAA/B,EAAkC;AAChC,eAAO,KAAKA,gBAAZ;AACD,OAFD,MAEO;AACL,eAAO,KAAKzpB,GAAL,CAASurB,aAAhB;AACD;AACF,K;sBAEkB9F,S,EAAW;AAC5B,WAAK9iB,KAAL,GAAa8iB,SAAb;;AACA,UAAI,KAAKgE,gBAAL,KAA0B,CAAC,CAA/B,EAAkC;AAChC,aAAKzpB,GAAL,CAASurB,aAAT,GAAyB9F,SAAzB;AACD;AACF;;;;EApc0C1lB,a;;;;;;;ACbtC,SAAS8rB,iBAAT,CAA4Bt1C,KAA5B,EAA8Cu1C,OAA9C,EAAyE;AAC9E,MAAI90B,KAAJ;;AACA,MAAI;AACFA,SAAK,GAAG,IAAI9iB,KAAJ,CAAU,UAAV,CAAR;AACD,GAFD,CAEE,OAAON,GAAP,EAAY;AACZ;AACAojB,SAAK,GAAG+0B,QAAQ,CAACC,WAAT,CAAqB,OAArB,CAAR;AACAh1B,SAAK,CAACi1B,SAAN,CAAgB,UAAhB,EAA4B,KAA5B,EAAmC,KAAnC;AACD;;AACAj1B,OAAD,CAAezgB,KAAf,GAAuBA,KAAvB;AACAu1C,SAAO,CAACI,aAAR,CAAsBl1B,KAAtB;AACD;AAEM,SAASm1B,gBAAT,CAA2B51C,KAA3B,EAA6C;AAClD,MAAIA,KAAK,IAAIA,KAAK,CAAC61C,IAAnB,EAAyB;AACvB,WAAO71C,KAAK,CAAC61C,IAAN,CAAWp8C,MAAX,GAAoB,CAA3B,EAA8B;AAC5BuG,WAAK,CAAC81C,SAAN,CAAgB91C,KAAK,CAAC61C,IAAN,CAAW,CAAX,CAAhB;AACD;AACF;AACF;AAED;;;;;;;;;;;AAUO,SAASE,aAAT,CAAwBF,IAAxB,EAAiE1Z,IAAjE,EAA6F;AAClG;AACA,MAAIA,IAAI,GAAG0Z,IAAI,CAAC,CAAD,CAAJ,CAAQj2B,OAAnB,EAA4B;AAC1B,WAAOi2B,IAAI,CAAC,CAAD,CAAX;AACD,GAJiG,CAKlG;;;AACA,MAAI1Z,IAAI,GAAG0Z,IAAI,CAACA,IAAI,CAACp8C,MAAL,GAAc,CAAf,CAAJ,CAAsBmmB,OAAjC,EAA0C;AACxC,WAAOi2B,IAAI,CAACA,IAAI,CAACp8C,MAAL,GAAc,CAAf,CAAX;AACD;;AAED,MAAIu8C,IAAI,GAAG,CAAX;AACA,MAAIC,KAAK,GAAGJ,IAAI,CAACp8C,MAAL,GAAc,CAA1B;;AAEA,SAAOu8C,IAAI,IAAIC,KAAf,EAAsB;AACpB,QAAMC,GAAG,GAAG5xC,IAAI,CAACkE,KAAL,CAAW,CAACytC,KAAK,GAAGD,IAAT,IAAiB,CAA5B,CAAZ;;AAEA,QAAI7Z,IAAI,GAAG0Z,IAAI,CAACK,GAAD,CAAJ,CAAUt2B,OAArB,EAA8B;AAC5Bq2B,WAAK,GAAGC,GAAG,GAAG,CAAd;AACD,KAFD,MAEO,IAAI/Z,IAAI,GAAG0Z,IAAI,CAACK,GAAD,CAAJ,CAAUt2B,OAArB,EAA8B;AACnCo2B,UAAI,GAAGE,GAAG,GAAG,CAAb;AACD,KAFM,MAEA;AACL;AACA,aAAOL,IAAI,CAACK,GAAD,CAAX;AACD;AACF,GAxBiG,CAyBlG;AACA;;;AACA,SAAQL,IAAI,CAACG,IAAD,CAAJ,CAAWp2B,OAAX,GAAqBuc,IAAtB,GAA+BA,IAAI,GAAG0Z,IAAI,CAACI,KAAD,CAAJ,CAAYr2B,OAAlD,GAA6Di2B,IAAI,CAACG,IAAD,CAAjE,GAA0EH,IAAI,CAACI,KAAD,CAArF;AACD,C;;;;AC5DD;;;AAIA;AACA;AACA;AACA;AACA;;IAEME,uC;;;;;AACJ,8BAAa1sB,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACE9rB,iBAAK,CAACgpB,cADR,EAEEhpB,iBAAK,CAACipB,eAFR,EAGEjpB,iBAAK,CAACkhB,qBAHR,EAIElhB,iBAAK,CAACoqB,wBAJR;AAOA,UAAK5c,QAAL,GAAgBpP,SAAhB;AACA,UAAKg2B,KAAL,GAAah2B,SAAb;AATgB;AAUjB;;;;SAEDD,O,GAAA,mBAAW;AACT0tB,iBAAY,CAACvT,SAAb,CAAuBna,OAAvB,CAA+Boa,IAA/B,CAAoC,IAApC;AACD,G,CAED;;;SACAo5B,e,GAAA,yBAAiB54C,IAAjB,EAAuB;AACrB,SAAKq7B,KAAL,GAAar7B,IAAI,CAACq7B,KAAlB;;AACA,QAAI,CAAC,KAAKA,KAAV,EAAiB,CAEhB;AACF,G;;SAED6d,gB,GAAA,4BAAoB;AAClBgG,oBAAgB,CAAC,KAAKzqC,QAAN,CAAhB;AACA,SAAKA,QAAL,GAAgBpP,SAAhB;AACA,SAAKg2B,KAAL,GAAah2B,SAAb;AACD,G;;SAEDq6C,W,GAAA,qBAAaC,UAAb,EAAyB;AACvB,SAAK,IAAIj+C,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGi+C,UAAU,CAAC58C,MAA/B,EAAuCrB,CAAC,EAAxC,EAA4C;AAC1C,UAAI2U,SAAS,GAAGspC,UAAU,CAACj+C,CAAD,CAA1B;;AACA,UAAI2U,SAAS,CAACupC,IAAV,KAAmB,UAAnB,IAAiCvpC,SAAS,CAACwpC,KAAV,KAAoB,KAAzD,EAAgE;AAC9D;AACA;AACAjB,yBAAiB,CAACvoC,SAAD,EAAY,KAAKglB,KAAjB,CAAjB;AAEA,eAAOhlB,SAAP;AACD;AACF;;AACD,WAAO,KAAKglB,KAAL,CAAWykB,YAAX,CAAwB,UAAxB,EAAoC,KAApC,CAAP;AACD,G;;SAEDC,uB,GAAA,uCAAwC;AAAA,QAAbxX,SAAa,QAAbA,SAAa;;AACtC,QAAI,CAAC,KAAK9zB,QAAN,IAAkB,CAAC,KAAKA,QAAL,CAAc0qC,IAAjC,IAAyC,CAAC,KAAK1qC,QAAL,CAAc0qC,IAAd,CAAmBp8C,MAAjE,EAAyE;AACvE;AACD;;AACD,QAAMi9C,QAAQ,GAAGX,aAAa,CAAC,KAAK5qC,QAAL,CAAc0qC,IAAf,EAAqB5W,SAArB,CAA9B;;AACA,QAAI,CAACyX,QAAL,EAAe;AACb;AACD;;AAED,QAAIC,UAAU,GAAG,IAAjB;;AACA,WAAOA,UAAP,EAAmB;AACjB,UAAMC,GAAG,GAAG,KAAKzrC,QAAL,CAAc0qC,IAAd,CAAmB,CAAnB,CAAZ;;AACA,UAAI,CAAC,KAAK1qC,QAAL,CAAc0qC,IAAd,CAAmBp8C,MAApB,IAA8Bm9C,GAAG,CAACp1C,EAAJ,KAAWk1C,QAAQ,CAACl1C,EAAtD,EAA0D;AACxDm1C,kBAAU,GAAG,KAAb;AACA;AACD;;AACD,WAAKxrC,QAAL,CAAc2qC,SAAd,CAAwBc,GAAxB;AACD;AACF,G;;SAEDC,qB,GAAA,+BAAuBngD,IAAvB,EAA6B;AAC3B,QAAMmvB,QAAQ,GAAGnvB,IAAI,CAAC+W,IAAtB;AACA,QAAM5M,OAAO,GAAGnK,IAAI,CAACmK,OAArB,CAF2B,CAI3B;;AACA,QAAI,CAAC,KAAKsK,QAAV,EAAoB;AAClB,WAAKA,QAAL,GAAgB,KAAKirC,WAAL,CAAiB,KAAKrkB,KAAL,CAAWskB,UAA5B,CAAhB;AACA,WAAKlrC,QAAL,CAAc2rC,IAAd,GAAqB,QAArB;AACD,KAR0B,CAU3B;AACA;AACA;;;AACA,QAAIC,GAAG,GAAG3iB,MAAM,CAAC4iB,aAAP,IAAwB5iB,MAAM,CAAC6iB,MAA/B,IAAyC7iB,MAAM,CAAC8iB,YAA1D;;AAEA,SAAK,IAAI9+C,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGyI,OAAO,CAACpH,MAA5B,EAAoCrB,CAAC,EAArC,EAAyC;AACvC,UAAMspB,MAAM,GAAG3f,cAAG,CAAC4f,YAAJ,CAAiB9gB,OAAO,CAACzI,CAAD,CAAP,CAAW1B,IAA5B,CAAf;;AACA,UAAIgrB,MAAJ,EAAY;AACV,YAAM/B,SAAS,GAAG9e,OAAO,CAACzI,CAAD,CAAP,CAAW+H,GAA7B;AACA,YAAIyf,OAAO,GAAGxnB,CAAC,GAAGyI,OAAO,CAACpH,MAAR,GAAiB,CAArB,GAAyBoH,OAAO,CAACzI,CAAC,GAAG,CAAL,CAAP,CAAe+H,GAAxC,GAA8C0lB,QAAQ,CAACrM,MAArE;;AAEA,YAAImG,SAAS,KAAKC,OAAlB,EAA2B;AACzB;AACAA,iBAAO,IAAI,MAAX;AACD,SAHD,MAGO,IAAID,SAAS,GAAGC,OAAhB,EAAyB;AAC9B9iB,0BAAM,CAACgN,IAAP,CAAY,0FAAZ;AACA8V,iBAAO,GAAGD,SAAS,GAAG,IAAtB;AACD;;AAED,aAAK,IAAI7Z,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG4b,MAAM,CAACjoB,MAA3B,EAAmCqM,CAAC,EAApC,EAAwC;AACtC,cAAMrD,KAAK,GAAGif,MAAM,CAAC5b,CAAD,CAApB,CADsC,CAEtC;;AACA,cAAI,CAAC/D,cAAG,CAAC6f,gBAAJ,CAAqBnf,KAArB,CAAL,EAAkC;AAChC,gBAAMm0C,GAAG,GAAG,IAAIG,GAAJ,CAAQp3B,SAAR,EAAmBC,OAAnB,EAA4B,EAA5B,CAAZ;AACAg3B,eAAG,CAACzlC,KAAJ,GAAY1O,KAAZ;AACA,iBAAK0I,QAAL,CAAcgsC,MAAd,CAAqBP,GAArB;AACD;AACF;AACF;AACF;AACF,G;;SAEDH,uB,GAAA,wCAAwC;AAAA,QAAbxX,SAAa,SAAbA,SAAa;AAAA,QAC9B9zB,QAD8B,GACjB,IADiB,CAC9BA,QAD8B;;AAEtC,QAAI,CAACA,QAAD,IAAa,CAACA,QAAQ,CAAC0qC,IAAvB,IAA+B,CAAC1qC,QAAQ,CAAC0qC,IAAT,CAAcp8C,MAAlD,EAA0D;AACxD;AACD;;AACD,QAAMi9C,QAAQ,GAAGX,aAAa,CAAC5qC,QAAQ,CAAC0qC,IAAV,EAAgB5W,SAAhB,CAA9B;;AACA,QAAI,CAACyX,QAAL,EAAe;AACb;AACD;;AACD,WAAOvrC,QAAQ,CAAC0qC,IAAT,CAAc,CAAd,MAAqBa,QAA5B,EAAsC;AACpCvrC,cAAQ,CAAC2qC,SAAT,CAAmB3qC,QAAQ,CAAC0qC,IAAT,CAAc,CAAd,CAAnB;AACD;AACF,G;;;EAvH8BrsB,a;;AA0HlB2sB,gGAAf,E;;ACpIA;AAEO,SAASiB,wBAAT,GAAiC;AACtC,MAAMC,WAAW,GAAGhY,cAAc,EAAlC;;AACA,MAAI,CAACgY,WAAL,EAAkB;AAChB,WAAO,KAAP;AACD;;AACD,MAAMC,YAAY,GAAG/2B,IAAI,CAACg3B,YAAL,IAAsBh3B,IAAD,CAAci3B,kBAAxD;AACA,MAAM3nB,eAAe,GAAGwnB,WAAW,IACjC,OAAOA,WAAW,CAACxnB,eAAnB,KAAuC,UADjB,IAEtBwnB,WAAW,CAACxnB,eAAZ,CAA4B,2CAA5B,CAFF,CANsC,CAUtC;AACA;;AACA,MAAM4nB,oBAAoB,GAAG,CAACH,YAAD,IAC1BA,YAAY,CAACrhC,SAAb,IACC,OAAOqhC,YAAY,CAACrhC,SAAb,CAAuByhC,YAA9B,KAA+C,UADhD,IAEC,OAAOJ,YAAY,CAACrhC,SAAb,CAAuB0hC,MAA9B,KAAyC,UAH7C;AAIA,SAAO,CAAC,CAAC9nB,eAAF,IAAqB,CAAC,CAAC4nB,oBAA9B;AACD,C;;ACnBD;;;;;IAMMG,I;;;AAKJ;AACA,gBAAaC,QAAb,EAA+B;AAAA,SALvBC,MAKuB;AAAA,SAJvBC,SAIuB;AAAA,SAHvBC,YAGuB;AAC7B;AACA,SAAKF,MAAL,GAAcD,QAAQ,GAAGvzC,IAAI,CAAC2zC,GAAL,CAAS3zC,IAAI,CAACvH,GAAL,CAAS,GAAT,IAAgB86C,QAAzB,CAAH,GAAwC,CAA9D;AACA,SAAKE,SAAL,GAAiB,CAAjB;AACA,SAAKC,YAAL,GAAoB,CAApB;AACD;;;;SAEDj3C,M,GAAA,gBAAQm3C,MAAR,EAAwB/mC,KAAxB,EAAuC;AACrC,QAAIgnC,QAAQ,GAAG7zC,IAAI,CAACiO,GAAL,CAAS,KAAKulC,MAAd,EAAsBI,MAAtB,CAAf;AACA,SAAKH,SAAL,GAAiB5mC,KAAK,IAAI,IAAIgnC,QAAR,CAAL,GAAyBA,QAAQ,GAAG,KAAKJ,SAA1D;AACA,SAAKC,YAAL,IAAqBE,MAArB;AACD,G;;SAEDE,c,GAAA,0BAA0B;AACxB,WAAO,KAAKJ,YAAZ;AACD,G;;SAEDK,W,GAAA,uBAAuB;AACrB,QAAI,KAAKP,MAAT,EAAiB;AACf,UAAIQ,UAAU,GAAG,IAAIh0C,IAAI,CAACiO,GAAL,CAAS,KAAKulC,MAAd,EAAsB,KAAKE,YAA3B,CAArB;AACA,aAAO,KAAKD,SAAL,GAAiBO,UAAxB;AACD,KAHD,MAGO;AACL,aAAO,KAAKP,SAAZ;AACD;AACF,G;;;;;AAGYH,6CAAf,E;;ACvCA;;;;;;;AAQA;;IAEMW,+C;;;AASJ;AACA,kCAAa9uB,GAAb,EAAuB+uB,IAAvB,EAAqCC,IAArC,EAAmDC,eAAnD,EAA4E;AAAA,SAT5EjvB,GAS4E;AAAA,SAPpEkvB,gBAOoE;AAAA,SANpEC,UAMoE;AAAA,SALpEC,WAKoE;AAAA,SAJpEC,KAIoE;AAAA,SAHpEC,KAGoE;AAC1E,SAAKtvB,GAAL,GAAWA,GAAX;AACA,SAAKkvB,gBAAL,GAAwBD,eAAxB;AACA,SAAKE,UAAL,GAAkB,KAAlB;AACA,SAAKC,WAAL,GAAmB,EAAnB;AACA,SAAKC,KAAL,GAAa,IAAIlB,IAAJ,CAASY,IAAT,CAAb;AACA,SAAKO,KAAL,GAAa,IAAInB,IAAJ,CAASa,IAAT,CAAb;AACD;;;;SAED13C,M,GAAA,gBAAQi4C,UAAR,EAA4BC,QAA5B,EAA8C;AAC5CD,cAAU,GAAG10C,IAAI,CAAC+U,GAAL,CAAS2/B,UAAT,EAAqB,KAAKH,WAA1B,CAAb;AACA,QAAIK,OAAO,GAAG,IAAID,QAAlB;AAAA,QACE;AACAE,aAAS,GAAGH,UAAU,GAAG,IAF3B;AAAA,QAGE;AACAI,kBAAc,GAAGF,OAAO,GAAGC,SAJ7B;AAKA,SAAKJ,KAAL,CAAWh4C,MAAX,CAAkBo4C,SAAlB,EAA6BC,cAA7B;AACA,SAAKN,KAAL,CAAW/3C,MAAX,CAAkBo4C,SAAlB,EAA6BC,cAA7B;AACD,G;;SAEDC,W,GAAA,uBAAwB;AACtB,QAAIZ,IAAI,GAAG,KAAKM,KAAhB;AACA,WAAQN,IAAI,IAAIA,IAAI,CAACL,cAAL,MAAyB,KAAKQ,UAA9C;AACD,G;;SAEDP,W,GAAA,uBAAuB;AACrB,QAAI,KAAKgB,WAAL,EAAJ,EAAwB;AACtB;AACA;AACA;AACA;AACA,aAAO/0C,IAAI,CAACC,GAAL,CAAS,KAAKw0C,KAAL,CAAWV,WAAX,EAAT,EAAmC,KAAKS,KAAL,CAAWT,WAAX,EAAnC,CAAP;AACD,KAND,MAMO;AACL,aAAO,KAAKM,gBAAZ;AACD;AACF,G;;SAED78C,O,GAAA,mBAAW,CACV,C;;;;;AAEYy8C,4GAAf,E;;;;;;;;;;;;;AC5DA;;;;;AAMA;AACA;AACA;AACA;AACA;AACA;4BAEwBnkB,M;IAAhBhV,0B,yBAAAA,W;;IAEFk6B,4B;;;;;AACJ,yBAAa7vB,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EAAW9rB,iBAAK,CAAC+qB,YAAjB,EACE/qB,iBAAK,CAACkrB,WADR,EAEElrB,iBAAK,CAACmrB,aAFR,EAGEnrB,iBAAK,CAACC,KAHR;AAIA,UAAK27C,mBAAL,GAA2B,CAA3B;AACA,UAAKC,cAAL,GAAsB,CAAC,CAAvB;AACA,UAAK/vB,GAAL,GAAWA,GAAX;AACA,UAAK0pB,KAAL,GAAa,IAAb;AACA,UAAKsG,YAAL,GAAoB,IAApB;AACA,UAAKC,OAAL,GAAe,MAAKC,kBAAL,CAAwB9yC,IAAxB,6CAAf;AAVgB;AAWjB;;;;SAED/K,O,GAAA,mBAAW;AACT,SAAKs3C,UAAL;AACA5pB,iBAAY,CAACvT,SAAb,CAAuBna,OAAvB,CAA+Boa,IAA/B,CAAoC,IAApC;AACD,G;;SAED0jB,a,GAAA,uBAAeljC,IAAf,EAAqB;AACnB,QAAM+W,IAAI,GAAG/W,IAAI,CAAC+W,IAAlB;;AACA,QAAIA,IAAI,CAAC5P,IAAL,KAAc,MAAlB,EAA0B;AACxB,UAAI,CAAC,KAAKs1C,KAAV,EAAiB;AACf,aAAKjJ,WAAL,GAAmBz8B,IAAnB;AACA,aAAK0lC,KAAL,GAAarK,WAAW,CAAC,KAAK4Q,OAAN,EAAe,GAAf,CAAxB;AACD,OAJuB,CAMxB;AACA;;;AACA,UAAI,CAAC,KAAKD,YAAV,EAAwB;AACtB,YAAMhwB,GAAG,GAAG,KAAKA,GAAjB;AACA,YAAMrtB,MAAM,GAAGqtB,GAAG,CAACrtB,MAAnB;AACA,YAAMgwB,KAAK,GAAG3e,IAAI,CAAC2e,KAAnB;AACA,YAAMwtB,MAAM,GAAGnwB,GAAG,CAACwH,MAAJ,CAAW7E,KAAX,EAAkBpuB,OAAlB,CAA0ByvB,IAAzC;AAEA,YAAIosB,QAAJ;AACA,YAAIC,QAAJ;;AACA,YAAIF,MAAJ,EAAY;AACVC,kBAAQ,GAAGz9C,MAAM,CAAC29C,eAAlB;AACAD,kBAAQ,GAAG19C,MAAM,CAAC49C,eAAlB;AACD,SAHD,MAGO;AACLH,kBAAQ,GAAGz9C,MAAM,CAAC69C,cAAlB;AACAH,kBAAQ,GAAG19C,MAAM,CAAC89C,cAAlB;AACD;;AACD,aAAKT,YAAL,GAAoB,IAAIlB,wBAAJ,CAA2B9uB,GAA3B,EAAgCqwB,QAAhC,EAA0CD,QAA1C,EAAoDz9C,MAAM,CAAC+9C,sBAA3D,CAApB;AACD;AACF;AACF,G;;SAEDR,kB,GAAA,8BAAsB;AACpB;;;;;AAKA,QAAMlwB,GAAG,GAAG,KAAKA,GAAjB;AACA,QAAMtgB,KAAK,GAAGsgB,GAAG,CAACsI,KAAlB;AACA,QAAMtkB,IAAI,GAAG,KAAKy8B,WAAlB;;AAEA,QAAI,CAACz8B,IAAL,EAAW;AACT;AACD;;AAED,QAAM6e,MAAM,GAAG7e,IAAI,CAAC6e,MAApB;AACA,QAAM8tB,YAAY,GAAG3wB,GAAG,CAAC2wB,YAAzB,CAfoB,CAiBpB;;AACA,QAAI,CAAC9tB,MAAD,IAAYA,MAAM,CAACxM,KAAP,IAAgBwM,MAAM,CAACxM,KAAP,CAAau6B,OAA7C,EAAuD;AACrDv9C,sBAAM,CAACgN,IAAP,CAAY,qDAAZ;AACA,WAAKspC,UAAL,GAFqD,CAGrD;;AACA,WAAKoG,cAAL,GAAsB,CAAC,CAAvB;AACA;AACD;;AACD,QAAI15B,KAAK,GAAGwM,MAAM,CAACxM,KAAnB;AACA;;;AAEA,QAAI3W,KAAK,IAAI2W,KAAT,KAAoB,CAAC3W,KAAK,CAAC29B,MAAP,IAAkB39B,KAAK,CAAC69B,YAAN,KAAuB,CAA1C,IAAiD,CAAC79B,KAAK,CAACkkC,UAA3E,KAA0F5/B,IAAI,CAACsgC,SAA/F,IAA4GtgC,IAAI,CAAC2e,KAArH,EAA4H;AAC1H,UAAMkuB,YAAY,GAAGl7B,0BAAW,CAACD,GAAZ,KAAoBW,KAAK,CAACm1B,QAA/C;AACA,UAAMjO,YAAY,GAAG1iC,IAAI,CAAC4N,GAAL,CAAS/I,KAAK,CAAC69B,YAAf,CAArB,CAF0H,CAI1H;;AACA,UAAIsT,YAAY,GAAI,MAAM7sC,IAAI,CAACpM,QAAX,GAAsB2lC,YAA1C,EAAyD;AACvD,YAAM/V,MAAM,GAAGxH,GAAG,CAACwH,MAAnB;AACA,YAAMspB,QAAQ,GAAGj2C,IAAI,CAAC+U,GAAL,CAAS,CAAT,EAAYyG,KAAK,CAAC06B,EAAN,GAAW16B,KAAK,CAAC06B,EAAN,GAAW,CAAtB,GAA0B16B,KAAK,CAACka,MAAN,GAAe,IAAf,GAAsBsgB,YAA5D,CAAjB,CAFuD,CAEqC;AAE5F;;AACA,YAAMluB,KAAK,GAAG6E,MAAM,CAACxjB,IAAI,CAAC2e,KAAN,CAApB;AACA,YAAMggB,YAAY,GAAGhgB,KAAK,CAACquB,WAAN,GAAoBn2C,IAAI,CAAC+U,GAAL,CAAS+S,KAAK,CAACquB,WAAf,EAA4BruB,KAAK,CAACoF,OAAlC,CAApB,GAAiEpF,KAAK,CAACoF,OAA5F;AACA,YAAMkpB,WAAW,GAAG56B,KAAK,CAACgyB,KAAN,GAAchyB,KAAK,CAACgyB,KAApB,GAA4BxtC,IAAI,CAAC+U,GAAL,CAASyG,KAAK,CAACka,MAAf,EAAuB11B,IAAI,CAAC6J,KAAL,CAAWV,IAAI,CAACpM,QAAL,GAAgB+qC,YAAhB,GAA+B,CAA1C,CAAvB,CAAhD;AACA,YAAMr7B,GAAG,GAAG5H,KAAK,CAACi2B,WAAlB;AACA,YAAMub,eAAe,GAAG,CAACD,WAAW,GAAG56B,KAAK,CAACka,MAArB,IAA+BugB,QAAvD;AACA,YAAMK,qBAAqB,GAAG,CAACzc,YAAY,CAACE,UAAb,CAAwBl1B,KAAxB,EAA+B4H,GAA/B,EAAoC0Y,GAAG,CAACrtB,MAAJ,CAAWygB,aAA/C,EAA8D2B,GAA9D,GAAoEzN,GAArE,IAA4Ei2B,YAA1G,CAVuD,CAYvD;AACA;AACA;;AACA,YAAK4T,qBAAqB,GAAI,IAAIntC,IAAI,CAACpM,QAAT,GAAoB2lC,YAA9C,IAAiE2T,eAAe,GAAGC,qBAAvF,EAA+G;AAC7G,cAAIC,wBAAJ;AACA,cAAIlP,aAAJ,CAF6G,CAG7G;AACA;;AACA,eAAKA,aAAa,GAAGl+B,IAAI,CAAC2e,KAAL,GAAa,CAAlC,EAAqCuf,aAAa,GAAGyO,YAArD,EAAmEzO,aAAa,EAAhF,EAAoF;AAClF;AACA;AACA;AACA,gBAAMmP,gBAAgB,GAAG7pB,MAAM,CAAC0a,aAAD,CAAN,CAAsB8O,WAAtB,GACrBn2C,IAAI,CAAC+U,GAAL,CAAS4X,MAAM,CAAC0a,aAAD,CAAN,CAAsB8O,WAA/B,EAA4CxpB,MAAM,CAAC0a,aAAD,CAAN,CAAsBna,OAAlE,CADqB,GAErBP,MAAM,CAAC0a,aAAD,CAAN,CAAsBna,OAF1B;;AAIA,gBAAMqpB,yBAAwB,GAAGptC,IAAI,CAACpM,QAAL,GAAgBy5C,gBAAhB,IAAoC,IAAI,GAAJ,GAAUP,QAA9C,CAAjC;;AAEA,gBAAIM,yBAAwB,GAAGD,qBAA/B,EAAsD;AACpD;AACA;AACD;AACF,WAnB4G,CAoB7G;AACA;;;AACA,cAAIC,wBAAwB,GAAGF,eAA/B,EAAgD;AAC9C79C,4BAAM,CAACgN,IAAP,mEAA4E6hC,aAA5E,yBAA6GA,aAA7G,2BAA+Il+B,IAAI,CAAC2e,KAAL,GAAa,CAA5J,iCAAwLyuB,wBAAwB,CAACxX,OAAzB,CAAiC,CAAjC,CAAxL,SAA+NsX,eAAe,CAACtX,OAAhB,CAAwB,CAAxB,CAA/N,SAA6PuX,qBAAqB,CAACvX,OAAtB,CAA8B,CAA9B,CAA7P,EAD8C,CAE9C;;AACA5Z,eAAG,CAACkiB,aAAJ,GAAoBA,aAApB,CAH8C,CAI9C;;AACA,iBAAK8N,YAAL,CAAkB14C,MAAlB,CAAyBu5C,YAAzB,EAAuCx6B,KAAK,CAACka,MAA7C,EAL8C,CAM9C;;;AACA1N,kBAAM,CAAC4J,KAAP,GAP8C,CAQ9C;;AACA,iBAAKkd,UAAL;AACA3pB,eAAG,CAAC/rB,OAAJ,CAAYC,iBAAK,CAACirB,2BAAlB,EAA+C;AAAEnb,kBAAI,EAAEA,IAAR;AAAcqS,mBAAK,EAAEA;AAArB,aAA/C;AACD;AACF;AACF;AACF;AACF,G;;SAEDsd,Y,GAAA,sBAAc1mC,IAAd,EAAoB;AAClB,QAAM+W,IAAI,GAAG/W,IAAI,CAAC+W,IAAlB;;AACA,QAAIA,IAAI,CAAC5P,IAAL,KAAc,MAAd,IAAwB,0CAAgB4P,IAAI,CAAC8I,EAArB,CAA5B,EAAsD;AACpD;AACA,WAAK68B,UAAL,GAFoD,CAGpD;;AACA,WAAKmG,mBAAL,GAA2B9rC,IAAI,CAAC2e,KAAhC,CAJoD,CAKpD;;AACA,WAAKotB,cAAL,GAAsB,CAAC,CAAvB,CANoD,CAQpD;;AACA,UAAI,KAAK/vB,GAAL,CAASrtB,MAAT,CAAgB2+C,qBAApB,EAA2C;AACzC,YAAM3uB,KAAK,GAAG,KAAK3C,GAAL,CAASwH,MAAT,CAAgBxjB,IAAI,CAAC2e,KAArB,CAAd;AACA,YAAI4uB,WAAW,GAAG,CAAC5uB,KAAK,CAAC4N,MAAN,GAAe5N,KAAK,CAAC4N,MAAN,CAAa/pB,KAA5B,GAAoC,CAArC,IAA0CvZ,IAAI,CAACopB,KAAL,CAAWka,MAAvE;AACA,YAAIihB,cAAc,GAAG,CAAC7uB,KAAK,CAAC4N,MAAN,GAAe5N,KAAK,CAAC4N,MAAN,CAAa34B,QAA5B,GAAuC,CAAxC,IAA6C3K,IAAI,CAAC+W,IAAL,CAAUpM,QAA5E;AACA+qB,aAAK,CAAC4N,MAAN,GAAe;AAAE/pB,eAAK,EAAE+qC,WAAT;AAAsB35C,kBAAQ,EAAE45C;AAAhC,SAAf;AACA7uB,aAAK,CAACquB,WAAN,GAAoBn2C,IAAI,CAAC6J,KAAL,CAAW,IAAI6sC,WAAJ,GAAkBC,cAA7B,CAApB;AACD,OAfmD,CAgBpD;;;AACA,UAAIvkD,IAAI,CAAC+W,IAAL,CAAU4vB,WAAd,EAA2B;AACzB,YAAIvd,KAAK,GAAGppB,IAAI,CAACopB,KAAjB;AACAA,aAAK,CAAC0Y,OAAN,GAAgB1Y,KAAK,CAAC0wB,SAAN,GAAkB1wB,KAAK,CAAC6X,KAAxC;AACA,aAAK4F,cAAL,CAAoB7mC,IAApB;AACD;AACF;AACF,G;;SAED6mC,c,GAAA,wBAAgB7mC,IAAhB,EAAsB;AACpB,QAAMopB,KAAK,GAAGppB,IAAI,CAACopB,KAAnB;AACA,QAAMrS,IAAI,GAAG/W,IAAI,CAAC+W,IAAlB,CAFoB,CAGpB;AACA;AACA;AACA;;AACA,QAAIqS,KAAK,CAACu6B,OAAN,KAAkB,IAAlB,IAA0B5sC,IAAI,CAAC5P,IAAL,KAAc,MAAxC,IAAkD,0CAAgB4P,IAAI,CAAC8I,EAArB,CAAlD,KAAgF,CAAC9I,IAAI,CAAC4vB,WAAN,IAAqBvd,KAAK,CAAC6X,KAAN,KAAgB7X,KAAK,CAAC0wB,SAA3H,CAAJ,EAA4I;AAC1I;AACA;AACA;AACA,UAAI0K,uBAAuB,GAAGp7B,KAAK,CAAC0Y,OAAN,GAAgB1Y,KAAK,CAACm1B,QAApD;AACAn4C,sBAAM,CAACC,GAAP,0CAAkDuH,IAAI,CAAC6J,KAAL,CAAW2R,KAAK,CAACiyB,MAAN,GAAejyB,KAAK,CAACm1B,QAAhC,CAAlD,SAA+F3wC,IAAI,CAAC6J,KAAL,CAAW2R,KAAK,CAAC6X,KAAN,GAAc7X,KAAK,CAACiyB,MAA/B,CAA/F,SAAyIztC,IAAI,CAAC6J,KAAL,CAAW2R,KAAK,CAAC0Y,OAAN,GAAgB1Y,KAAK,CAAC6X,KAAjC,CAAzI,SAAoLrzB,IAAI,CAAC6J,KAAL,CAAW2R,KAAK,CAAC0wB,SAAN,GAAkB1wB,KAAK,CAAC0Y,OAAnC,CAApL,SAAmOl0B,IAAI,CAAC6J,KAAL,CAAW,IAAI2R,KAAK,CAACka,MAAV,IAAoBla,KAAK,CAAC0wB,SAAN,GAAkB1wB,KAAK,CAACm1B,QAA5C,CAAX,CAAnO;;AACA,WAAKwE,YAAL,CAAkB14C,MAAlB,CAAyBm6C,uBAAzB,EAAkDp7B,KAAK,CAACka,MAAxD;;AACAla,WAAK,CAACq7B,UAAN,GAAmB,KAAK1B,YAAL,CAAkBpB,WAAlB,EAAnB,CAP0I,CAQ1I;;AACA,UAAI5qC,IAAI,CAAC4vB,WAAT,EAAsB;AACpB,aAAK+d,gBAAL,GAAwBF,uBAAuB,GAAG,IAAlD;AACD,OAFD,MAEO;AACL,aAAKE,gBAAL,GAAwB,CAAxB;AACD;AACF;AACF,G;;SAEDjkB,O,GAAA,iBAASzgC,IAAT,EAAe;AACb;AACA,YAAQA,IAAI,CAACsH,OAAb;AACA,WAAKC,sBAAY,CAACs8B,eAAlB;AACA,WAAKt8B,sBAAY,CAACu8B,iBAAlB;AACE,aAAK4Y,UAAL;AACA;;AACF;AACE;AANF;AAQD,G;;SAEDA,U,GAAA,sBAAc;AACZzK,iBAAa,CAAC,KAAKwK,KAAN,CAAb;AACA,SAAKA,KAAL,GAAa,IAAb;AACD,G,CAED;;;SAkEAkI,c,GAAA,wBAAgB9K,YAAhB,EAA8B+K,mBAA9B,EAAmDC,SAAnD,EAA8DnB,YAA9D,EAA4EoB,YAA5E,EAA0FC,gBAA1F,EAA4GC,QAA5G,EAAsHC,UAAtH,EAAkI1qB,MAAlI,EAA0I;AACxI,SAAK,IAAI74B,CAAC,GAAGojD,YAAb,EAA2BpjD,CAAC,IAAIgiD,YAAhC,EAA8ChiD,CAAC,EAA/C,EAAmD;AACjD,UAAI+zC,SAAS,GAAGlb,MAAM,CAAC74B,CAAD,CAAtB;;AAEA,UAAI,CAAC+zC,SAAL,EAAgB;AACd;AACD;;AAED,UAAM7T,YAAY,GAAG6T,SAAS,CAACnuC,OAA/B;AACA,UAAM49C,WAAW,GAAGtjB,YAAY,GAAGA,YAAY,CAACvK,aAAb,GAA6BuK,YAAY,CAAC9K,SAAb,CAAuB/zB,MAAvD,GAAgE6hD,mBAAhG;AACA,UAAM7tB,IAAI,GAAG6K,YAAY,GAAGA,YAAY,CAAC7K,IAAhB,GAAuB,KAAhD;AAEA,UAAIouB,UAAU,SAAd,CAXiD,CAYjD;AACA;AACA;AACA;AACA;AACA;;AACA,UAAIzjD,CAAC,IAAIm4C,YAAT,EAAuB;AACrBsL,kBAAU,GAAGH,QAAQ,GAAGH,SAAxB;AACD,OAFD,MAEO;AACLM,kBAAU,GAAGF,UAAU,GAAGJ,SAA1B;AACD;;AAED,UAAM/pB,OAAO,GAAGP,MAAM,CAAC74B,CAAD,CAAN,CAAUqiD,WAAV,GAAwBn2C,IAAI,CAAC+U,GAAL,CAAS4X,MAAM,CAAC74B,CAAD,CAAN,CAAUqiD,WAAnB,EAAgCxpB,MAAM,CAAC74B,CAAD,CAAN,CAAUo5B,OAA1C,CAAxB,GAA6EP,MAAM,CAAC74B,CAAD,CAAN,CAAUo5B,OAAvG;AACA,UAAMsqB,aAAa,GAAGtqB,OAAO,GAAGoqB,WAAV,GAAwBC,UAA9C;AAEA/+C,sBAAM,CAAC6hB,KAAP,2EAAqFvmB,CAArF,SAA0FkM,IAAI,CAAC6J,KAAL,CAAW0tC,UAAX,CAA1F,SAAoHrqB,OAApH,SAA+HoqB,WAA/H,SAA8IH,gBAA9I,SAAkKK,aAAlK,EA3BiD,CA4BjD;;AACA,UAAID,UAAU,GAAGrqB,OAAb,MACJ;AACA;AACA;AACG,OAACsqB,aAAD,IAAmBruB,IAAI,IAAI,CAAC,KAAK2tB,gBAAjC,IAAsDU,aAAa,GAAGL,gBAJrE,CAAJ,EAI4F;AAC1F;AACA,eAAOrjD,CAAP;AACD;AACF,KAtCuI,CAuCxI;;;AACA,WAAO,CAAC,CAAR;AACD,G;;;;wBA1GoB;AACnB,UAAM2jD,eAAe,GAAG,KAAKvC,cAA7B;AACA,UAAMwC,WAAW,GAAG,KAAKvC,YAAzB,CAFmB,CAGnB;;AACA,UAAIsC,eAAe,KAAK,CAAC,CAArB,KAA2B,CAACC,WAAD,IAAgB,CAACA,WAAW,CAAC3C,WAAZ,EAA5C,CAAJ,EAA4E;AAC1E,eAAO0C,eAAP;AACD,OANkB,CAQnB;;;AACA,UAAIE,gBAAgB,GAAG,KAAKC,iBAA5B,CATmB,CAUnB;;AACA,UAAIH,eAAe,KAAK,CAAC,CAAzB,EAA4B;AAC1BE,wBAAgB,GAAG33C,IAAI,CAACC,GAAL,CAASw3C,eAAT,EAA0BE,gBAA1B,CAAnB;AACD;;AAED,aAAOA,gBAAP;AACD,K;sBA4FkB/M,S,EAAW;AAC5B,WAAKsK,cAAL,GAAsBtK,SAAtB;AACD;;;wBA7FwB;AACvB,UAAIzlB,GAAG,GAAG,KAAKA,GAAf;AADuB,UAEf+xB,YAFe,GAEgC/xB,GAFhC,CAEf+xB,YAFe;AAAA,UAEDvqB,MAFC,GAEgCxH,GAFhC,CAEDwH,MAFC;AAAA,UAEO70B,MAFP,GAEgCqtB,GAFhC,CAEOrtB,MAFP;AAAA,UAEeg+C,YAFf,GAEgC3wB,GAFhC,CAEe2wB,YAFf;AAGvB,UAAMjxC,KAAK,GAAGsgB,GAAG,CAACsI,KAAlB;AACA,UAAMwe,YAAY,GAAG,KAAKgJ,mBAA1B;AACA,UAAM+B,mBAAmB,GAAG,KAAKpR,WAAL,GAAmB,KAAKA,WAAL,CAAiB7oC,QAApC,GAA+C,CAA3E;AACA,UAAM0P,GAAG,GAAI5H,KAAK,GAAGA,KAAK,CAACi2B,WAAT,GAAuB,CAAzC,CANuB,CAQvB;AACA;;AACA,UAAM4H,YAAY,GAAK79B,KAAK,IAAKA,KAAK,CAAC69B,YAAN,KAAuB,CAAlC,GAAwC1iC,IAAI,CAAC4N,GAAL,CAAS/I,KAAK,CAAC69B,YAAf,CAAxC,GAAuE,GAA7F;AACA,UAAMmV,KAAK,GAAG,KAAK1C,YAAL,GAAoB,KAAKA,YAAL,CAAkBpB,WAAlB,EAApB,GAAsDj8C,MAAM,CAAC+9C,sBAA3E,CAXuB,CAYvB;;AACA,UAAMS,qBAAqB,GAAG,CAACzc,YAAY,CAACE,UAAb,CAAwBl1B,KAAxB,EAA+B4H,GAA/B,EAAoC3U,MAAM,CAACygB,aAA3C,EAA0D2B,GAA1D,GAAgEzN,GAAjE,IAAwEi2B,YAAtG,CAbuB,CAevB;;AACA,UAAIoV,SAAS,GAAG,KAAKf,cAAL,CAAoB9K,YAApB,EAAkC+K,mBAAlC,EAAuDa,KAAvD,EAA8D/B,YAA9D,EAA4EoB,YAA5E,EAA0FZ,qBAA1F,EAAiHx+C,MAAM,CAACigD,kBAAxH,EAA4IjgD,MAAM,CAACkgD,oBAAnJ,EAAyKrrB,MAAzK,CAAhB;;AACA,UAAImrB,SAAS,IAAI,CAAjB,EAAoB;AAClB,eAAOA,SAAP;AACD,OAFD,MAEO;AACLt/C,wBAAM,CAAC6hB,KAAP,CAAa,6FAAb,EADK,CAEL;AACA;;AACA,YAAI49B,kBAAkB,GAAGjB,mBAAmB,GAAGh3C,IAAI,CAACC,GAAL,CAAS+2C,mBAAT,EAA8Bl/C,MAAM,CAACmgD,kBAArC,CAAH,GAA8DngD,MAAM,CAACmgD,kBAAjH;AACA,YAAIb,QAAQ,GAAGt/C,MAAM,CAACigD,kBAAtB;AACA,YAAIV,UAAU,GAAGv/C,MAAM,CAACkgD,oBAAxB;;AAEA,YAAI1B,qBAAqB,KAAK,CAA9B,EAAiC;AAC/B;AACA,cAAIQ,gBAAgB,GAAG,KAAKA,gBAA5B;;AACA,cAAIA,gBAAJ,EAAsB;AACpB;AACA;AACA;AACA;AACA;AACA,gBAAMoB,eAAe,GAAGlB,mBAAmB,GAAGh3C,IAAI,CAACC,GAAL,CAAS+2C,mBAAT,EAA8Bl/C,MAAM,CAACogD,eAArC,CAAH,GAA2DpgD,MAAM,CAACogD,eAA7G;AACAD,8BAAkB,GAAGC,eAAe,GAAGpB,gBAAvC;AACAt+C,4BAAM,CAAC6hB,KAAP,wBAAkCra,IAAI,CAAC6J,KAAL,CAAW,OAAOitC,gBAAlB,CAAlC,oDAAoH92C,IAAI,CAAC6J,KAAL,CAAW,OAAOouC,kBAAlB,CAApH,UARoB,CASpB;;AACAb,oBAAQ,GAAGC,UAAU,GAAG,CAAxB;AACD;AACF;;AACDS,iBAAS,GAAG,KAAKf,cAAL,CAAoB9K,YAApB,EAAkC+K,mBAAlC,EAAuDa,KAAvD,EAA8D/B,YAA9D,EAA4EoB,YAA5E,EAA0FZ,qBAAqB,GAAG2B,kBAAlH,EAAsIb,QAAtI,EAAgJC,UAAhJ,EAA4J1qB,MAA5J,CAAZ;AACA,eAAO3sB,IAAI,CAAC+U,GAAL,CAAS+iC,SAAT,EAAoB,CAApB,CAAP;AACD;AACF;;;;EA5QyB5yB,a;;AA8Tb8vB,+EAAf,E;;;;;;AC7UA;;;AAIA;AACA;AACA;AACA;AACA;AAoBA,IAAM1pB,6BAAW,GAAGyP,cAAc,EAAlC;;IAEMod,kC;;;;;AACJ;AACA;AAEA;AAEA;AAEA;AAEA;AAGA;AAGA;AAKA;AAGA;AAGA;AAGA;AAGA;AAGA;AAKA;AAGA;AAUA,4BAAahzB,GAAb,EAAuB;AAAA;;AACrB,qCAAMA,GAAN,EACEizB,iBAAM,CAACh2B,eADT,EAEEg2B,iBAAM,CAAC91B,eAFT,EAGE81B,iBAAM,CAACl1B,eAHT,EAIEk1B,iBAAM,CAAC51B,YAJT,EAKE41B,iBAAM,CAACz1B,gBALT,EAMEy1B,iBAAM,CAAC31B,aANT,EAOE21B,iBAAM,CAACv1B,UAPT,EAQEu1B,iBAAM,CAACt1B,eART,EASEs1B,iBAAM,CAAC50B,iBATT,EAUE40B,iBAAM,CAAC70B,aAVT;AADqB,UAnDf80B,WAmDe,GAnDc,IAmDd;AAAA,UAjDfC,cAiDe,GAjDiB,IAiDjB;AAAA,UA/CfC,oBA+Ce,GA/CgB,EA+ChB;AAAA,UA7CfC,KA6Ce,GA7CS,IA6CT;AAAA,UA3CfC,UA2Ce,GA3Ca,IA2Cb;AAAA,UAxCfC,WAwCe,GAxCQ,KAwCR;AAAA,UArCfC,SAqCe,GArCM,KAqCN;AAAA,UAnCf7gD,MAmCe;AAAA,UAhChB8gD,oBAgCgB;AAAA,UA7BhBC,yBA6BgB,GA7BoB,CA6BpB;AAAA,UA1BfC,uBA0Be,GA1BmB,CA0BnB;AAAA,UAvBhBrrB,KAuBgB,GAvBiB,IAuBjB;AAAA,UApBhBslB,WAoBgB,GApBkB,IAoBlB;AAAA,UAjBhBgG,QAiBgB,GAjBM,EAiBN;AAAA,UAfhBnM,MAegB;AAAA,UAZhBoM,SAYgB,GAZK,KAYL;AAAA,UAThB5M,QASgB,GATG,CASH;AAAA,UARhB6M,WAQgB,GARM,CAQN;AAAA,UAPhBC,kBAOgB,GAPa,CAOb;AAAA,UALhB/mC,MAKgB,GALG,EAKH;AAAA,UAJhBgnC,aAIgB,GAJU,EAIV;AAAA,UAHhBnG,YAGgB,GAHc,EAGd;AAAA,UAFhBoG,UAEgB,GAFuB,EAEvB;;AAAA,UAwJfC,kBAxJe,GAwJM,YAAM;AACjC7gD,sBAAM,CAACC,GAAP,CAAW,qBAAX;;AACA,YAAK0sB,GAAL,CAAS/rB,OAAT,CAAiBg/C,iBAAM,CAAC/1B,cAAxB,EAAwC;AAAEoL,aAAK,EAAE,MAAKA;AAAd,OAAxC;;AACA,UAAIslB,WAAW,GAAG,MAAKA,WAAvB;;AACA,UAAIA,WAAJ,EAAiB;AACf;AACAA,mBAAW,CAAC7W,mBAAZ,CAAgC,YAAhC,EAA8C,MAAKmd,kBAAnD;AACD;;AACD,YAAKC,kBAAL;AACD,KAjKsB;;AAAA,UAmKfC,mBAnKe,GAmKO,YAAM;AAClC/gD,sBAAM,CAACC,GAAP,CAAW,qBAAX;AACD,KArKsB;;AAAA,UAuKf+gD,mBAvKe,GAuKO,YAAM;AAClChhD,sBAAM,CAACC,GAAP,CAAW,oBAAX;AACD,KAzKsB;;AAAA,UA2KfghD,cA3Ke,GA2KE,YAAM;AAC7B;AACA,UAAI,MAAKb,oBAAL,IAA6B,MAAK5F,YAAL,CAAkBluC,KAAnD,EAA0D;AACxD,YAAI40C,WAAW,GAAG,MAAK1G,YAAL,CAAkBluC,KAApC;AAEAtM,wBAAM,CAACgN,IAAP,8CAAuDk0C,WAAW,CAACC,eAAnE,YAAyF,MAAKf,oBAA9F;AACAc,mBAAW,CAACC,eAAZ,GAA8B,MAAKf,oBAAnC;AACA,eAAO,MAAKA,oBAAZ;AACD;;AAED,UAAI,MAAKF,WAAT,EAAsB;AACpB,cAAKkB,OAAL;AACD;;AAED,UAAI,MAAKjB,SAAT,EAAoB;AAClB,cAAKkB,QAAL;AACD;;AAED,YAAKb,SAAL,GAAiB,KAAjB;AACA,UAAIpM,MAAM,GAAG,MAAKA,MAAlB,CAnB6B,CAoB7B;;AACA,UAAIW,OAAO,GAAG,MAAKwL,QAAL,CAAc1hC,MAAd,CAAqB,UAACyiC,OAAD,EAAUC,OAAV;AAAA,eAAuBA,OAAO,CAACnN,MAAR,KAAmBA,MAApB,GAA8BkN,OAAO,GAAG,CAAxC,GAA4CA,OAAlE;AAAA,OAArB,EAAgG,CAAhG,CAAd,CArB6B,CAuB7B;;;AACA,UAAM5iB,UAAyD,GAAG,EAAlE;AACA,UAAM8iB,KAAK,GAAG,MAAKhH,YAAnB;;AACA,WAAK,IAAIp4B,UAAT,IAAuBo/B,KAAvB,EAA8B;AAC5B,YAAMC,EAAE,GAAGD,KAAK,CAACp/B,UAAD,CAAhB;;AACA,YAAI,CAACq/B,EAAL,EAAS;AACP,gBAAM5kD,KAAK,iEAA+DulB,UAA/D,6DAAX;AACD;;AACDsc,kBAAU,CAACtc,UAAD,CAAV,GAA6Cq/B,EAAE,CAAC1iB,QAAhD;AACD;;AAED,YAAKpS,GAAL,CAAS/rB,OAAT,CAAiBg/C,iBAAM,CAACx1B,eAAxB,EAAyC;AAAEgqB,cAAM,EAANA,MAAF;AAAUW,eAAO,EAAPA,OAAV;AAAmBrW,kBAAU,EAAVA;AAAnB,OAAzC,EAlC6B,CAmC7B;;;AACA,UAAI,CAAC,MAAKwhB,WAAV,EAAuB;AACrB,cAAKwB,WAAL;AACD;;AAED,YAAKC,0BAAL,GAxC6B,CA0C7B;;;AACA,UAAI5M,OAAO,KAAK,CAAhB,EAAmB;AACjB,cAAK6M,mBAAL;AACD;AACF,KAzNsB;;AAAA,UA2NfC,gBA3Ne,GA2NI,UAACl+B,KAAD,EAAkB;AAC3C3jB,sBAAM,CAACU,KAAP,CAAa,qBAAb,EAAoCijB,KAApC,EAD2C,CAE3C;AACA;AACA;;AACA,YAAKgJ,GAAL,CAAS/rB,OAAT,CAAiBg/C,iBAAM,CAAC9+C,KAAxB,EAA+B;AAAEC,YAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,eAAO,EAAEC,sBAAY,CAAC2gD,sBAAtD;AAA8EzgD,aAAK,EAAE;AAArF,OAA/B,EAL2C,CAM3C;;AACD,KAlOsB;;AAarB,UAAK/B,MAAL,GAAcqtB,GAAG,CAACrtB,MAAlB;AAbqB;AActB;;;;SAEDN,O,GAAA,mBAAW;AACT0tB,iBAAY,CAACvT,SAAb,CAAuBna,OAAvB,CAA+Boa,IAA/B,CAAoC,IAApC;AACD,G;;SAED2oC,iB,GAAA,2BAAmBnoD,IAAnB,EAAoE;AAClE,QAAImH,IAAI,GAAGnH,IAAI,CAACmH,IAAhB;AACA,QAAIqN,UAAU,GAAG,KAAKuL,MAAL,CAAYrN,KAA7B,CAFkE,CAIlE;AACA;AACA;AACA;AACA;AACA;;AAEA,QAAIvL,IAAI,KAAK,OAAT,IAAoBqN,UAApB,IAAkCA,UAAU,CAAC3J,SAAX,KAAyB,YAA/D,EAA6E;AAAE;AAC7E,UAAIy8C,WAAW,GAAG,KAAK1G,YAAL,CAAkBluC,KAApC;;AACA,UAAI,CAAC40C,WAAL,EAAkB;AAChB,cAAMrkD,KAAK,CAAC,4DAAD,CAAX;AACD;;AAED,UAAIkiB,KAAK,GAAGvX,IAAI,CAAC4N,GAAL,CAAS8rC,WAAW,CAACC,eAAZ,GAA8BvnD,IAAI,CAACkU,KAA5C,CAAZ,CAN2E,CAQ3E;;AACA,UAAIiR,KAAK,GAAG,GAAZ,EAAiB;AACf,YAAIijC,QAAQ,GAAGd,WAAW,CAACc,QAA3B;;AAEA,YAAI;AACFd,qBAAW,CAAC9nB,KAAZ;AACD,SAFD,CAEE,OAAO74B,GAAP,EAAY;AACZP,0BAAM,CAACgN,IAAP,CAAY,iCAAiCzM,GAA7C;AACD;;AAED,YAAI,CAACyhD,QAAL,EAAe;AACbhiD,0BAAM,CAACgN,IAAP,CAAY,6CAA6Ck0C,WAAW,CAACC,eAAzD,GAA2E,MAA3E,GAAoFvnD,IAAI,CAACkU,KAArG;AACAozC,qBAAW,CAACC,eAAZ,GAA8BvnD,IAAI,CAACkU,KAAnC;AACD,SAHD,MAGO;AACL,eAAKsyC,oBAAL,GAA4BxmD,IAAI,CAACkU,KAAjC;AACD;AACF;AACF;AACF,G;;SAEDilC,gB,GAAA,0BAAkBn5C,IAAlB,EAA+C;AAC7C;AACA;AACA;AACA;AACA,SAAKymD,yBAAL,GAAiC,KAAKC,uBAAL,GAA+B1mD,IAAI,CAAC60C,QAAL,GAAgB,CAAhB,GAAoB,CAApF;AACAzuC,oBAAM,CAACC,GAAP,CAAc,KAAKogD,yBAAnB;AACD,G;;SAED4B,gB,GAAA,0BAAkBroD,IAAlB,EAAqD;AACnD,QAAIq7B,KAAK,GAAG,KAAKA,KAAL,GAAar7B,IAAI,CAACq7B,KAA9B;;AACA,QAAIA,KAAK,IAAInC,6BAAb,EAA0B;AACxB;AACA,UAAIovB,EAAE,GAAG,KAAK3H,WAAL,GAAmB,IAAIznB,6BAAJ,EAA5B,CAFwB,CAGxB;;AACAovB,QAAE,CAACh+B,gBAAH,CAAoB,YAApB,EAAkC,KAAK28B,kBAAvC;AACAqB,QAAE,CAACh+B,gBAAH,CAAoB,aAApB,EAAmC,KAAK88B,mBAAxC;AACAkB,QAAE,CAACh+B,gBAAH,CAAoB,aAApB,EAAmC,KAAK68B,mBAAxC,EANwB,CAOxB;;AACA9rB,WAAK,CAACktB,GAAN,GAAY7qB,MAAM,CAACiM,GAAP,CAAW6e,eAAX,CAA2BF,EAA3B,CAAZ,CARwB,CASxB;;AACA,WAAKjC,UAAL,GAAkBhrB,KAAK,CAACktB,GAAxB;AACD;AACF,G;;SAEDrP,gB,GAAA,4BAAoB;AAClB9yC,oBAAM,CAACC,GAAP,CAAW,wBAAX;AACA,QAAIiiD,EAAE,GAAG,KAAK3H,WAAd;;AACA,QAAI2H,EAAJ,EAAQ;AACN,UAAIA,EAAE,CAAC3R,UAAH,KAAkB,MAAtB,EAA8B;AAC5B,YAAI;AACF;AACA;AACA;AACA;AACA2R,YAAE,CAACG,WAAH;AACD,SAND,CAME,OAAO9hD,GAAP,EAAY;AACZP,0BAAM,CAACgN,IAAP,uBAAgCzM,GAAG,CAACI,OAApC;AACD;AACF;;AACDuhD,QAAE,CAACxe,mBAAH,CAAuB,YAAvB,EAAqC,KAAKmd,kBAA1C;AACAqB,QAAE,CAACxe,mBAAH,CAAuB,aAAvB,EAAsC,KAAKsd,mBAA3C;AACAkB,QAAE,CAACxe,mBAAH,CAAuB,aAAvB,EAAsC,KAAKqd,mBAA3C,EAdM,CAgBN;AACA;;AACA,UAAI,KAAK9rB,KAAT,EAAgB;AACd,YAAI,KAAKgrB,UAAT,EAAqB;AACnB3oB,gBAAM,CAACiM,GAAP,CAAWC,eAAX,CAA2B,KAAKyc,UAAhC;AACD,SAHa,CAKd;AACA;;;AACA,YAAI,KAAKhrB,KAAL,CAAWktB,GAAX,KAAmB,KAAKlC,UAA5B,EAAwC;AACtC,eAAKhrB,KAAL,CAAWqtB,eAAX,CAA2B,KAA3B;AACA,eAAKrtB,KAAL,CAAW2D,IAAX;AACD,SAHD,MAGO;AACL54B,0BAAM,CAACgN,IAAP,CAAY,uDAAZ;AACD;AACF;;AAED,WAAKutC,WAAL,GAAmB,IAAnB;AACA,WAAKtlB,KAAL,GAAa,IAAb;AACA,WAAKgrB,UAAL,GAAkB,IAAlB;AACA,WAAKI,yBAAL,GAAiC,KAAKC,uBAAtC;AACA,WAAKK,aAAL,GAAqB,EAArB;AACA,WAAKhnC,MAAL,GAAc,EAAd;AACA,WAAK6gC,YAAL,GAAoB,EAApB;AACA,WAAKoG,UAAL,GAAkB,EAAlB;AACA,WAAKL,QAAL,GAAgB,EAAhB;AACA,WAAK3M,QAAL,GAAgB,CAAhB;AACD;;AAED,SAAKjnB,GAAL,CAAS/rB,OAAT,CAAiBg/C,iBAAM,CAAC71B,cAAxB;AACD,G;;SAED+2B,kB,GAAA,8BAAsB;AAAA,QACdT,yBADc,GAC+B,IAD/B,CACdA,yBADc;AAAA,QACaM,aADb,GAC+B,IAD/B,CACaA,aADb,EAGpB;AACA;AACA;AACA;;AACA,QAAM4B,kBAAkB,GAAG7kC,MAAM,CAACC,IAAP,CAAYgjC,aAAZ,EAA2BhkD,MAAtD;;AACA,QAAK4lD,kBAAkB,IAAI,CAAClC,yBAAxB,IAAsDkC,kBAAkB,KAAK,CAAjF,EAAoF;AAClF;AACA,WAAKC,mBAAL,CAAyB7B,aAAzB;AACA,WAAKA,aAAL,GAAqB,EAArB,CAHkF,CAIlF;;AACA,WAAKe,WAAL;AACD;AACF,G;;SA8EDe,a,GAAA,yBAAiB;AACf,QAAMjI,YAAY,GAAG,KAAKA,YAA1B;;AACA,SAAK,IAAIz5C,IAAT,IAAiBy5C,YAAjB,EAA+B;AAC7B,UAAMiH,EAAE,GAAGjH,YAAY,CAACz5C,IAAD,CAAvB;;AACA,UAAI;AACF,YAAI0gD,EAAJ,EAAQ;AACN,cAAI,KAAKlH,WAAT,EAAsB;AACpB,iBAAKA,WAAL,CAAiBmI,kBAAjB,CAAoCjB,EAApC;AACD;;AACDA,YAAE,CAAC/d,mBAAH,CAAuB,WAAvB,EAAoC,KAAKud,cAAzC;AACAQ,YAAE,CAAC/d,mBAAH,CAAuB,OAAvB,EAAgC,KAAKme,gBAArC;AACD;AACF,OARD,CAQE,OAAOthD,GAAP,EAAY,CACb;AACF;;AACD,SAAKi6C,YAAL,GAAoB,EAApB;AACA,SAAKoG,UAAL,GAAkB,EAAlB;AACA,SAAKL,QAAL,GAAgB,EAAhB;AACA,SAAK3M,QAAL,GAAgB,CAAhB;AACD,G;;SAED+O,c,GAAA,wBAAgBhpC,MAAhB,EAAkC;AAAA;;AAChC;AACA;AACA,QAAI+D,MAAM,CAACC,IAAP,CAAY,KAAK68B,YAAjB,EAA+B79C,MAAnC,EAA2C;AACzC;AACD;;AAED+gB,UAAM,CAACC,IAAP,CAAYhE,MAAZ,EAAoBvH,OAApB,CAA4B,UAAA6hC,SAAS,EAAI;AACvC,YAAI,CAAC0M,aAAL,CAAmB1M,SAAnB,IAAgCt6B,MAAM,CAACs6B,SAAD,CAAtC;AACD,KAFD;AAIA,SAAKoM,yBAAL,GAAiC74C,IAAI,CAAC+U,GAAL,CAAS,KAAK8jC,yBAAL,GAAiC,CAA1C,EAA6C,CAA7C,CAAjC;;AACA,QAAI,KAAK9F,WAAL,IAAoB,KAAKA,WAAL,CAAiBhK,UAAjB,KAAgC,MAAxD,EAAgE;AAC9D,WAAKuQ,kBAAL;AACD;AACF,G;;SAED0B,mB,GAAA,6BAAqB7oC,MAArB,EAAuC;AAAA,QAC7B6gC,YAD6B,GACC,IADD,CAC7BA,YAD6B;AAAA,QACfD,WADe,GACC,IADD,CACfA,WADe;;AAErC,QAAI,CAACA,WAAL,EAAkB;AAChB,YAAM19C,KAAK,CAAC,sDAAD,CAAX;AACD;;AAED,SAAK,IAAIo3C,SAAT,IAAsBt6B,MAAtB,EAA8B;AAC5B,UAAI,CAAC6gC,YAAY,CAACvG,SAAD,CAAjB,EAA8B;AAC5B,YAAI/wC,KAAK,GAAGyW,MAAM,CAACs6B,SAAD,CAAlB;;AACA,YAAI,CAAC/wC,KAAL,EAAY;AACV,gBAAMrG,KAAK,qCAAmCo3C,SAAnC,8BAAX;AACD,SAJ2B,CAK5B;;;AACA,YAAIzxC,KAAK,GAAGU,KAAK,CAACixC,UAAN,IAAoBjxC,KAAK,CAACV,KAAtC;AACA,YAAIogD,QAAQ,GAAM1/C,KAAK,CAACuB,SAAZ,gBAAgCjC,KAA5C;AACAxC,wBAAM,CAACC,GAAP,4BAAoC2iD,QAApC;;AACA,YAAI;AACF,cAAInB,EAAE,GAAGjH,YAAY,CAACvG,SAAD,CAAZ,GAA0BsG,WAAW,CAACsI,eAAZ,CAA4BD,QAA5B,CAAnC;AACAnB,YAAE,CAACv9B,gBAAH,CAAoB,WAApB,EAAiC,KAAK+8B,cAAtC;AACAQ,YAAE,CAACv9B,gBAAH,CAAoB,OAApB,EAA6B,KAAK29B,gBAAlC;AACA,eAAKloC,MAAL,CAAYs6B,SAAZ,IAAyB;AACvB95C,kBAAM,EAAEsnD,EADe;AAEvBj/C,iBAAK,EAAEA,KAFgB;AAGvBkC,cAAE,EAAExB,KAAK,CAACwB,EAHa;AAIvBD,qBAAS,EAAEvB,KAAK,CAACuB,SAJM;AAKvB0vC,sBAAU,EAAEjxC,KAAK,CAACixC;AALK,WAAzB;AAOD,SAXD,CAWE,OAAO5zC,GAAP,EAAY;AACZP,0BAAM,CAACU,KAAP,6CAAuDH,GAAG,CAACI,OAA3D;AACA,eAAKgsB,GAAL,CAAS/rB,OAAT,CAAiBg/C,iBAAM,CAAC9+C,KAAxB,EAA+B;AAAEC,gBAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,mBAAO,EAAEC,sBAAY,CAAC2hD,sBAAtD;AAA8EzhD,iBAAK,EAAE,KAArF;AAA4Fd,eAAG,EAAEA,GAAjG;AAAsGqiD,oBAAQ,EAAEA;AAAhH,WAA/B;AACD;AACF;AACF;;AACD,SAAKj2B,GAAL,CAAS/rB,OAAT,CAAiBg/C,iBAAM,CAAC11B,cAAxB,EAAwC;AAAEvQ,YAAM,EAAE,KAAKA;AAAf,KAAxC;AACD,G;;SAEDopC,iB,GAAA,2BAAmBnpD,IAAnB,EAAkC;AAChC,QAAI,CAAC,KAAKsmD,WAAV,EAAuB;AACrB,UAAI,CAAC,KAAKK,QAAV,EAAoB;AAClB,aAAKA,QAAL,GAAgB,CAAE3mD,IAAF,CAAhB;AACD,OAFD,MAEO;AACL,aAAK2mD,QAAL,CAAcv8C,IAAd,CAAmBpK,IAAnB;AACD;;AAED,WAAK8nD,WAAL;AACD;AACF,G,CAED;AACA;;;SACAsB,W,GAAA,qBAAappD,IAAb,EAAgD;AAC9C,SAAK,IAAMmH,IAAX,IAAmB,KAAKy5C,YAAxB,EAAsC;AACpC,UAAI,CAAC5gD,IAAI,CAACmH,IAAN,IAAcnH,IAAI,CAACmH,IAAL,KAAcA,IAAhC,EAAsC;AACpC,YAAM0gD,EAAE,GAAG,KAAKjH,YAAL,CAAkBz5C,IAAlB,CAAX;;AACA,YAAI0gD,EAAE,IAAI,CAACA,EAAE,CAACxX,KAAd,EAAqB;AACnBwX,YAAE,CAACxX,KAAH,GAAW,IAAX;AACAjqC,0BAAM,CAACC,GAAP,CAAcc,IAAd;AACD;AACF;AACF;;AAED,SAAKsgD,QAAL;AACD,G,CAED;;;SACAA,Q,GAAA,oBAAY;AAAA,QACF7G,YADE,GAC4B,IAD5B,CACFA,YADE;AAAA,QACYD,WADZ,GAC4B,IAD5B,CACYA,WADZ;;AAEV,QAAI,CAACA,WAAD,IAAgBA,WAAW,CAAChK,UAAZ,KAA2B,MAA/C,EAAuD;AACrD,WAAK4P,SAAL,GAAiB,KAAjB;AACA;AACD;;AAED,SAAK,IAAIp/C,IAAT,IAAiBy5C,YAAjB,EAA+B;AAC7B,UAAMiH,EAAE,GAAGjH,YAAY,CAACz5C,IAAD,CAAvB;AACA,UAAI,CAAC0gD,EAAL,EAAS;;AAET,UAAI,CAACA,EAAE,CAACxX,KAAR,EAAe;AACb;AACD;;AAED,UAAIwX,EAAE,CAACO,QAAP,EAAiB;AACf,aAAK7B,SAAL,GAAiB,IAAjB;AACA;AACD;AACF;;AAEDngD,oBAAM,CAACC,GAAP,CAAW,6FAAX,EArBU,CAsBV;;AACA,QAAI;AACFs6C,iBAAW,CAAC8H,WAAZ;AACD,KAFD,CAEE,OAAO1iD,CAAP,EAAU;AACVK,sBAAM,CAACgN,IAAP,CAAY,mDAAZ;AACD;;AACD,SAAKmzC,SAAL,GAAiB,KAAjB;AACD,G;;SAED8C,gB,GAAA,0BAAkBrpD,IAAlB,EAA6F;AAC3F,QAAIA,IAAI,CAACmH,IAAT,EAAe;AACb,WAAK6/C,UAAL,CAAgB58C,IAAhB,CAAqB;AAAE8J,aAAK,EAAElU,IAAI,CAACsb,WAAd;AAA2BwM,WAAG,EAAE9nB,IAAI,CAAC04C,SAArC;AAAgDvxC,YAAI,EAAEnH,IAAI,CAACmH;AAA3D,OAArB;AACD,KAFD,MAEO;AACL,WAAK6/C,UAAL,CAAgB58C,IAAhB,CAAqB;AAAE8J,aAAK,EAAElU,IAAI,CAACsb,WAAd;AAA2BwM,WAAG,EAAE9nB,IAAI,CAAC04C,SAArC;AAAgDvxC,YAAI,EAAE;AAAtD,OAArB;AACA,WAAK6/C,UAAL,CAAgB58C,IAAhB,CAAqB;AAAE8J,aAAK,EAAElU,IAAI,CAACsb,WAAd;AAA2BwM,WAAG,EAAE9nB,IAAI,CAAC04C,SAArC;AAAgDvxC,YAAI,EAAE;AAAtD,OAArB;AACD,KAN0F,CAQ3F;;;AACA,SAAK2/C,kBAAL,GAA0B,CAA1B;AACA,SAAKU,OAAL;AACD,G;;SAEDQ,mB,GAAA,+BAAuB;AACrB;AACA,QAAI,CAAC,KAAK5B,KAAV,EAAiB;AACf;AACD;;AAED,QAAMkD,oBAAoB,GAAG,KAAK5jD,MAAL,CAAY4jD,oBAAzC;;AACA,QAAI,CAAC75B,QAAQ,CAAC65B,oBAAD,CAAT,IAAmCA,oBAAoB,GAAG,CAA9D,EAAiE;AAC/D;AACD;;AAED,QAAI,CAAC,KAAKjuB,KAAV,EAAiB;AACfj1B,sBAAM,CAACU,KAAP,CAAa,oDAAb;AACA;AACD;;AAED,QAAM4hC,WAAW,GAAG,KAAKrN,KAAL,CAAWqN,WAA/B;AACA,QAAMkY,YAAY,GAAG,KAAKA,YAA1B;AACA,QAAM2I,WAAW,GAAGzlC,MAAM,CAACC,IAAP,CAAY68B,YAAZ,CAApB;AACA,QAAM4I,wBAAwB,GAAG9gB,WAAW,GAAG96B,IAAI,CAAC+U,GAAL,CAAS2mC,oBAAT,EAA+B,KAAKnD,oBAApC,CAA/C;;AAEA,SAAK,IAAIj+B,KAAK,GAAGqhC,WAAW,CAACxmD,MAAZ,GAAqB,CAAtC,EAAyCmlB,KAAK,IAAI,CAAlD,EAAqDA,KAAK,EAA1D,EAA8D;AAC5D,UAAMuhC,UAAU,GAAGF,WAAW,CAACrhC,KAAD,CAA9B;AACA,UAAM2/B,EAAE,GAAGjH,YAAY,CAAC6I,UAAD,CAAvB;;AACA,UAAI5B,EAAJ,EAAQ;AACN,YAAM1iB,QAAQ,GAAG0iB,EAAE,CAAC1iB,QAApB,CADM,CAEN;;AACA,YAAIA,QAAQ,CAACpiC,MAAT,GAAkB,CAAlB,IAAuBymD,wBAAwB,GAAGrkB,QAAQ,CAACjxB,KAAT,CAAe,CAAf,CAAtD,EAAyE;AACvE;AACA;AACA;AACA,cAAI,KAAKw1C,iBAAL,CAAuBD,UAAvB,EAAmC5B,EAAnC,EAAuC,CAAvC,EAA0C2B,wBAA1C,CAAJ,EAAyE;AACvE,iBAAKz2B,GAAL,CAAS/rB,OAAT,CAAiBg/C,iBAAM,CAAC30B,wBAAxB,EAAkD;AAAEkX,uBAAS,EAAEihB;AAAb,aAAlD;AACD;AAEF;AACF;AACF;AACF,G;;SAEDG,c,GAAA,8BAA+J;AAAA,QAA7IriD,OAA6I,QAA7IA,OAA6I;;AAC7J,QAAIA,OAAO,CAACwvB,SAAR,CAAkB/zB,MAAlB,GAA2B,CAA/B,EAAkC;AAChC,WAAKmjD,cAAL,GAAsB5+C,OAAO,CAAC+vB,aAAR,GAAwB/vB,OAAO,CAACwvB,SAAR,CAAkB,CAAlB,EAAqB5iB,KAAnE;AACA,WAAKiyC,oBAAL,GAA4B7+C,OAAO,CAAC81B,qBAAR,IAAiC91B,OAAO,CAAC8vB,cAAzC,IAA2D,EAAvF;AACA,WAAKgvB,KAAL,GAAa9+C,OAAO,CAACyvB,IAArB;AACA,WAAKgxB,0BAAL;AACD;AACF;AAED;;;;;;;SAKAA,0B,GAAA,sCAA8B;AAAA,QACtBriD,MADsB,GACX,IADW,CACtBA,MADsB;AAE5B,QAAIiF,QAAJ;;AAEA,QAAI,KAAKu7C,cAAL,KAAwB,IAAxB,IACF,CAAC,KAAK7qB,KADJ,IAEF,CAAC,KAAKslB,WAFJ,IAGF,CAAC,KAAKC,YAHJ,IAIF,KAAKvlB,KAAL,CAAWsb,UAAX,KAA0B,CAJxB,IAKF,KAAKgK,WAAL,CAAiBhK,UAAjB,KAAgC,MALlC,EAK0C;AACxC;AACD;;AAED,SAAK,IAAIxvC,IAAT,IAAiB,KAAKy5C,YAAtB,EAAoC;AAClC,UAAMiH,EAAE,GAAG,KAAKjH,YAAL,CAAkBz5C,IAAlB,CAAX;;AACA,UAAI0gD,EAAE,IAAIA,EAAE,CAACO,QAAH,KAAgB,IAA1B,EAAgC;AAC9B;AACA;AACD;AACF;;AAEDz9C,YAAQ,GAAG,KAAK0wB,KAAL,CAAW1wB,QAAtB,CArB4B,CAsB5B;;AACA,QAAI,KAAKs7C,WAAL,KAAqB,IAAzB,EAA+B;AAC7B,WAAKA,WAAL,GAAmB,KAAKtF,WAAL,CAAiBh2C,QAApC;AACD;;AAED,QAAI,KAAKy7C,KAAL,KAAe,IAAf,IAAuB1gD,MAAM,CAACkkD,oBAAP,KAAgC,IAA3D,EAAiE;AAC/D;AACAxjD,sBAAM,CAACC,GAAP,CAAW,0CAAX;AACA,WAAK4/C,WAAL,GAAmB,KAAKtF,WAAL,CAAiBh2C,QAAjB,GAA4BgZ,QAA/C;AACD,KAJD,MAIO,IAAK,KAAKuiC,cAAL,GAAsB,KAAKD,WAA3B,IAA0C,KAAKC,cAAL,GAAsBv7C,QAAjE,IAA8E,CAAC,0CAAgBA,QAAhB,CAAnF,EAA8G;AACnH;AACA;AACA;AACA;AACAvE,sBAAM,CAACC,GAAP,wCAAgD,KAAK6/C,cAAL,CAAoBvZ,OAApB,CAA4B,CAA5B,CAAhD;AACA,WAAKsZ,WAAL,GAAmB,KAAKtF,WAAL,CAAiBh2C,QAAjB,GAA4B,KAAKu7C,cAApD;AACD;AACF,G;;SAEDsB,O,GAAA,mBAAW;AACT;AACA,WAAO,KAAKR,UAAL,CAAgBjkD,MAAvB,EAA+B;AAC7B,UAAI4iC,KAAK,GAAG,KAAKqhB,UAAL,CAAgB,CAAhB,CAAZ,CAD6B,CAE7B;;AACA,UAAI,KAAK6C,WAAL,CAAiBlkB,KAAK,CAACzxB,KAAvB,EAA8ByxB,KAAK,CAAC7d,GAApC,EAAyC6d,KAAK,CAACx+B,IAA/C,CAAJ,EAA0D;AACxD;AACA,aAAK6/C,UAAL,CAAgB3rC,KAAhB;AACA,aAAKyrC,kBAAL,GAA0B,CAA1B;AACD,OAJD,MAIO;AACL,aAAKR,WAAL,GAAmB,IAAnB,CADK,CAEL;;AACA;AACD;AACF;;AACD,QAAI,KAAKU,UAAL,CAAgBjkD,MAAhB,KAA2B,CAA/B,EAAkC;AAChC;AACA,WAAKujD,WAAL,GAAmB,KAAnB,CAFgC,CAIhC;;AACA,UAAItM,QAAQ,GAAG,CAAf;AACA,UAAI4G,YAAY,GAAG,KAAKA,YAAxB;;AACA,UAAI;AACF,aAAK,IAAIz5C,IAAT,IAAiBy5C,YAAjB,EAA+B;AAC7B,cAAMiH,EAAE,GAAGjH,YAAY,CAACz5C,IAAD,CAAvB;;AACA,cAAI0gD,EAAJ,EAAQ;AACN7N,oBAAQ,IAAI6N,EAAE,CAAC1iB,QAAH,CAAYpiC,MAAxB;AACD;AACF;AACF,OAPD,CAOE,OAAO+D,KAAP,EAAc;AACd;AACA;AACAV,wBAAM,CAACU,KAAP,CAAa,6CAAb;AACD;;AACD,WAAKkzC,QAAL,GAAgBA,QAAhB;AACA,WAAKjnB,GAAL,CAAS/rB,OAAT,CAAiBg/C,iBAAM,CAACr1B,cAAxB;AACD;AACF,G;;SAEDm3B,W,GAAA,uBAAe;AAAA,QACPpiD,MADO,GACiC,IADjC,CACPA,MADO;AAAA,QACCqtB,GADD,GACiC,IADjC,CACCA,GADD;AAAA,QACM4zB,QADN,GACiC,IADjC,CACMA,QADN;AAAA,QACgB/F,YADhB,GACiC,IADjC,CACgBA,YADhB;;AAEb,QAAI,CAAC98B,MAAM,CAACC,IAAP,CAAY68B,YAAZ,EAA0B79C,MAA/B,EAAuC;AACrC;AACA;AACD;;AAED,QAAI,CAAC,KAAKs4B,KAAN,IAAe,KAAKA,KAAL,CAAWv0B,KAA9B,EAAqC;AACnC,WAAK6/C,QAAL,GAAgB,EAAhB;AACAvgD,sBAAM,CAACU,KAAP,CAAa,0EAAb;AACA;AACD;;AAED,QAAI,KAAK8/C,SAAT,EAAoB;AAClB;AACA;AACD;;AAED,QAAMe,OAAO,GAAGhB,QAAQ,CAACtrC,KAAT,EAAhB;;AACA,QAAI,CAACssC,OAAL,EAAc;AAAE;AACd;AACD;;AAED,QAAI;AACF,UAAME,EAAE,GAAGjH,YAAY,CAAC+G,OAAO,CAACxgD,IAAT,CAAvB;;AACA,UAAI,CAAC0gD,EAAL,EAAS;AACP;AACA;AACA;AACA,aAAKR,cAAL;;AACA;AACD;;AAED,UAAIQ,EAAE,CAACO,QAAP,EAAiB;AACf;AACAzB,gBAAQ,CAACllB,OAAT,CAAiBkmB,OAAjB;AACA;AACD,OAdC,CAgBF;;;AACAE,QAAE,CAACxX,KAAH,GAAW,KAAX,CAjBE,CAkBF;;AACA,WAAKmK,MAAL,GAAcmN,OAAO,CAACnN,MAAtB;AACAqN,QAAE,CAAC7G,YAAH,CAAgB2G,OAAO,CAAC3nD,IAAxB;AACA,WAAK6mD,WAAL,GAAmB,CAAnB;AACA,WAAK7M,QAAL;AACA,WAAK4M,SAAL,GAAiB,IAAjB;AACD,KAxBD,CAwBE,OAAOjgD,GAAP,EAAY;AACZ;AACAP,sBAAM,CAACU,KAAP,0CAAoDH,GAAG,CAACI,OAAxD;AACA4/C,cAAQ,CAACllB,OAAT,CAAiBkmB,OAAjB;AACA,UAAI59B,KAAK,GAAG;AAAE5iB,YAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCmzC,cAAM,EAAEmN,OAAO,CAACnN,MAAhD;AAAwDlzC,eAAO,EAAE,EAAjE;AAAqEG,aAAK,EAAE;AAA5E,OAAZ;;AACA,UAAId,GAAG,CAACmjD,IAAJ,KAAa,EAAjB,EAAqB;AACnB;AACA;AACA,aAAKnD,QAAL,GAAgB,EAAhB;AACA58B,aAAK,CAACziB,OAAN,GAAgBC,sBAAY,CAACm0C,iBAA7B;AACD,OALD,MAKO;AACL,aAAKmL,WAAL;AACA98B,aAAK,CAACziB,OAAN,GAAgBC,sBAAY,CAACwiD,mBAA7B;AACA;;;;AAGA,YAAI,KAAKlD,WAAL,GAAmBnhD,MAAM,CAACskD,mBAA9B,EAAmD;AACjD5jD,0BAAM,CAACC,GAAP,WAAmBX,MAAM,CAACskD,mBAA1B;AACA,eAAKrD,QAAL,GAAgB,EAAhB;AACA58B,eAAK,CAACtiB,KAAN,GAAc,IAAd;AACD;AACF;;AACDsrB,SAAG,CAAC/rB,OAAJ,CAAYg/C,iBAAM,CAAC9+C,KAAnB,EAA0B6iB,KAA1B;AACD;AACF;AAED;;;;;;;SAKA8/B,W,GAAA,qBAAavuC,WAAb,EAAkCo9B,SAAlC,EAAqDuR,MAArD,EAAwF;AACtF,QAAMrJ,YAAY,GAAG,KAAKA,YAA1B,CADsF,CAEtF;;AACA,QAAI,CAAC98B,MAAM,CAACC,IAAP,CAAY68B,YAAZ,EAA0B79C,MAA/B,EAAuC;AACrC,aAAO,IAAP;AACD;;AAED,QAAI2lC,WAAmB,GAAG,MAA1B;;AACA,QAAI,KAAKrN,KAAT,EAAgB;AACdqN,iBAAW,GAAG,KAAKrN,KAAL,CAAWqN,WAAX,CAAuBiE,OAAvB,CAA+B,CAA/B,CAAd;AACD;;AACDvmC,oBAAM,CAACC,GAAP,iCAAyCqiC,WAAzC,SAAwDptB,WAAxD,SAAuEo9B,SAAvE,EAXsF,CAatF;;AACA,QAAI,KAAKoO,kBAAL,IAA2B,KAAK9M,QAApC,EAA8C;AAC5C5zC,sBAAM,CAACgN,IAAP,CAAY,iCAAZ;AACA,aAAO,IAAP;AACD;;AAED,QAAMy0C,EAAE,GAAGjH,YAAY,CAACqJ,MAAD,CAAvB,CAnBsF,CAoBtF;;AACA,QAAIpC,EAAJ,EAAQ;AACNA,QAAE,CAACxX,KAAH,GAAW,KAAX;;AACA,UAAI,CAACwX,EAAE,CAACO,QAAR,EAAkB;AAChB,YAAI,KAAKsB,iBAAL,CAAuBO,MAAvB,EAA+BpC,EAA/B,EAAmCvsC,WAAnC,EAAgDo9B,SAAhD,CAAJ,EAAgE;AAC9D,eAAKoO,kBAAL;AACA,iBAAO,KAAP;AACD;AACF,OALD,MAKO;AACL1gD,wBAAM,CAACgN,IAAP,CAAY,uCAAZ;AACA,eAAO,KAAP;AACD;AACF;;AAEDhN,oBAAM,CAACC,GAAP,CAAW,gBAAX,EAlCsF,CAmCtF;;AACA,WAAO,IAAP;AACD;AAED;;;;;;;;;;;;SAUAqjD,iB,GAAA,2BAAmBviD,IAAnB,EAAiC0gD,EAAjC,EAA2DvsC,WAA3D,EAAgFo9B,SAAhF,EAA4G;AAC1G,QAAI;AACF,WAAK,IAAIh3C,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGmmD,EAAE,CAAC1iB,QAAH,CAAYpiC,MAAhC,EAAwCrB,CAAC,EAAzC,EAA6C;AAC3C,YAAIwoD,QAAQ,GAAGrC,EAAE,CAAC1iB,QAAH,CAAYjxB,KAAZ,CAAkBxS,CAAlB,CAAf;AACA,YAAIyoD,MAAM,GAAGtC,EAAE,CAAC1iB,QAAH,CAAYrd,GAAZ,CAAgBpmB,CAAhB,CAAb;AACA,YAAI0oD,WAAW,GAAGx8C,IAAI,CAAC+U,GAAL,CAASunC,QAAT,EAAmB5uC,WAAnB,CAAlB;AACA,YAAI+uC,SAAS,GAAGz8C,IAAI,CAACC,GAAL,CAASs8C,MAAT,EAAiBzR,SAAjB,CAAhB;AAEA;;;;;;AAKA,YAAI9qC,IAAI,CAACC,GAAL,CAASw8C,SAAT,EAAoBF,MAApB,IAA8BC,WAA9B,GAA4C,GAAhD,EAAqD;AACnD,cAAI1hB,WAAmB,GAAG,MAA1B;;AACA,cAAI,KAAKrN,KAAT,EAAgB;AACdqN,uBAAW,GAAG,KAAKrN,KAAL,CAAWqN,WAAX,CAAuBjvB,QAAvB,EAAd;AACD;;AAEDrT,0BAAM,CAACC,GAAP,gBAAwBc,IAAxB,UAAiCijD,WAAjC,SAAgDC,SAAhD,eAAmEH,QAAnE,SAA+EC,MAA/E,eAA+FzhB,WAA/F;AACAmf,YAAE,CAAC5G,MAAH,CAAUmJ,WAAV,EAAuBC,SAAvB;AACA,iBAAO,IAAP;AACD;AACF;AACF,KAvBD,CAuBE,OAAOvjD,KAAP,EAAc;AACdV,sBAAM,CAACgN,IAAP,CAAY,0BAAZ,EAAwCtM,KAAxC;AACD;;AAED,WAAO,KAAP;AACD,G;;;EA/sB4BgsB,a;;AAktBhBizB,wFAAf,E;;;;;;;;AChvBA;;;AAIA;AACA;;IAEMuE,uC;;;;;AACJ,8BAAav3B,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACE9rB,iBAAK,CAACsrB,sBADR,EAEEtrB,iBAAK,CAAC+oB,eAFR,EAGE/oB,iBAAK,CAAC6pB,eAHR,EAIE7pB,iBAAK,CAACopB,aAJR,EAKEppB,iBAAK,CAACipB,eALR;AAOA,UAAKq6B,gBAAL,GAAwBxyB,MAAM,CAACkgB,iBAA/B;AACA,UAAKwF,UAAL,GAAkB,IAAlB;AACA,UAAKljB,MAAL,GAAc,EAAd;AACA,UAAKc,KAAL,GAAa,IAAb;AACA,UAAKmvB,gBAAL,GAAwB,EAAxB;AACA,UAAK/N,KAAL,GAAa,IAAb;AAbgB;AAcjB;;;;SAEDr3C,O,GAAA,mBAAW;AACT,QAAI,KAAK2tB,GAAL,CAASrtB,MAAT,CAAgB+kD,oBAApB,EAA0C;AACxC,WAAKpvB,KAAL,GAAa,IAAb;AACA,WAAKqvB,WAAL;AACD;AACF,G;;SAEDC,qB,GAAA,+BAAuB3qD,IAAvB,EAA6B;AAC3B;AACA,QAAIsqD,kBAAkB,CAACM,cAAnB,CAAkC5qD,IAAI,CAAC6qD,YAAvC,EAAqD,KAAKL,gBAA1D,CAAJ,EAAiF;AAC/E,WAAKA,gBAAL,CAAsBpgD,IAAtB,CAA2BpK,IAAI,CAAC6qD,YAAhC;AACD;AACF,G;;SAEDxC,gB,GAAA,0BAAkBroD,IAAlB,EAAwB;AACtB,SAAKq7B,KAAL,GAAar7B,IAAI,CAACq7B,KAAL,YAAsBqC,MAAM,CAACotB,gBAA7B,GAAgD9qD,IAAI,CAACq7B,KAArD,GAA6D,IAA1E;AACD,G;;SAED8d,gB,GAAA,0BAAkBn5C,IAAlB,EAAwB;AACtB,QAAM+yB,GAAG,GAAG,KAAKA,GAAjB;AACA,SAAKy3B,gBAAL,GAAwB,EAAxB;AACA,SAAKjwB,MAAL,GAAcv6B,IAAI,CAACu6B,MAAnB;AACA,SAAKkjB,UAAL,GAAkBz9C,IAAI,CAACy9C,UAAvB;;AACA,QAAI1qB,GAAG,CAACrtB,MAAJ,CAAW+kD,oBAAX,IAAmCzqD,IAAI,CAACyS,KAA5C,EAAmD;AACjD;AACA,WAAKs4C,YAAL;AACD;AACF,G,CAED;AACA;;;SACAhC,c,GAAA,wBAAgB/oD,IAAhB,EAAsB;AACpB,QAAM+yB,GAAG,GAAG,KAAKA,GAAjB;;AACA,QAAIA,GAAG,CAACrtB,MAAJ,CAAW+kD,oBAAX,IAAmCzqD,IAAI,CAACyS,KAA5C,EAAmD;AACjD;AACA,WAAKs4C,YAAL;AACD;AACF,G;;SAEDC,e,GAAA,yBAAiBhrD,IAAjB,EAAuB;AACrB,SAAKu6B,MAAL,GAAcv6B,IAAI,CAACu6B,MAAnB;AACD,G;;SAED2e,gB,GAAA,4BAAoB;AAClB,SAAKwR,WAAL;AACD,G;;SAEDO,gB,GAAA,4BAAoB;AAClB,QAAI,KAAK5vB,KAAT,EAAgB;AACd,UAAI6vB,YAAY,GAAG,KAAK3wB,MAAL,GAAc,KAAKA,MAAL,CAAYx3B,MAA1B,GAAmC,CAAtD;;AACA,UAAImoD,YAAJ,EAAkB;AAChB,YAAMn4B,GAAG,GAAG,KAAKA,GAAjB;AACAA,WAAG,CAACw3B,gBAAJ,GAAuB,KAAKY,WAAL,CAAiBD,YAAY,GAAG,CAAhC,CAAvB;;AACA,YAAIn4B,GAAG,CAACw3B,gBAAJ,GAAuB,KAAKA,gBAAhC,EAAkD;AAChD;AACA;AACAx3B,aAAG,CAACq4B,gBAAJ,CAAqBhT,eAArB;AACD;;AACD,aAAKmS,gBAAL,GAAwBx3B,GAAG,CAACw3B,gBAA5B;AACD;AACF;AACF;AAED;;;;;SAGAY,W,GAAA,qBAAaE,aAAb,EAA4B;AAAA;;AAC1B,QAAI,CAAC,KAAK9wB,MAAV,EAAkB;AAChB,aAAO,CAAC,CAAR;AACD;;AAED,QAAM+wB,WAAW,GAAG,KAAK/wB,MAAL,CAAYlT,MAAZ,CAAmB,UAACqO,KAAD,EAAQxN,KAAR;AAAA,aACrCoiC,kBAAkB,CAACM,cAAnB,CAAkC1iC,KAAlC,EAAyC,MAAI,CAACsiC,gBAA9C,KAAmEtiC,KAAK,IAAImjC,aADvC;AAAA,KAAnB,CAApB;AAIA,WAAOf,kBAAkB,CAACiB,sBAAnB,CAA0CD,WAA1C,EAAuD,KAAKE,UAA5D,EAAwE,KAAKC,WAA7E,CAAP;AACD,G;;SAEDV,Y,GAAA,wBAAgB;AACd,QAAI,KAAKtO,KAAT,EAAgB;AACd;AACA;AACD;;AACD,SAAK8N,gBAAL,GAAwBxyB,MAAM,CAACkgB,iBAA/B;AACA,SAAKllB,GAAL,CAAS0qB,UAAT,GAAsB,KAAK0N,WAAL,CAAiB,KAAK1N,UAAtB,CAAtB;AACAxL,iBAAa,CAAC,KAAKwK,KAAN,CAAb;AACA,SAAKA,KAAL,GAAarK,WAAW,CAAC,KAAK6Y,gBAAL,CAAsB96C,IAAtB,CAA2B,IAA3B,CAAD,EAAmC,IAAnC,CAAxB;AACA,SAAK86C,gBAAL;AACD,G;;SAEDP,W,GAAA,uBAAe;AACb,SAAKF,gBAAL,GAAwB,EAAxB;AACA,SAAK/M,UAAL,GAAkB,IAAlB;AACA,SAAK8M,gBAAL,GAAwBxyB,MAAM,CAACkgB,iBAA/B;;AACA,QAAI,KAAKwE,KAAT,EAAgB;AACd,WAAKA,KAAL,GAAaxK,aAAa,CAAC,KAAKwK,KAAN,CAA1B;AACA,WAAKA,KAAL,GAAa,IAAb;AACD;AACF,G;;qBA8BMmO,c,GAAP,wBAAuBl1B,KAAvB,EAA8B80B,gBAA9B,EAAqD;AAAA,QAAvBA,gBAAuB;AAAvBA,sBAAuB,GAAJ,EAAI;AAAA;;AACnD,WAAOA,gBAAgB,CAAC/hD,OAAjB,CAAyBitB,KAAzB,MAAoC,CAAC,CAA5C;AACD,G;;qBAEM61B,sB,GAAP,gCAA+BhxB,MAA/B,EAAuC/pB,KAAvC,EAA8CE,MAA9C,EAAsD;AACpD,QAAI,CAAC6pB,MAAD,IAAYA,MAAM,IAAI,CAACA,MAAM,CAACx3B,MAAlC,EAA2C;AACzC,aAAO,CAAC,CAAR;AACD,KAHmD,CAKpD;AACA;;;AACA,QAAM2oD,mBAAmB,GAAG,SAAtBA,mBAAsB,CAACjS,QAAD,EAAWjB,SAAX,EAAyB;AACnD,UAAI,CAACA,SAAL,EAAgB;AACd,eAAO,IAAP;AACD;;AAED,aAAOiB,QAAQ,CAACjpC,KAAT,KAAmBgoC,SAAS,CAAChoC,KAA7B,IAAsCipC,QAAQ,CAAC/oC,MAAT,KAAoB8nC,SAAS,CAAC9nC,MAA3E;AACD,KAND,CAPoD,CAepD;AACA;;;AACA,QAAIi7C,aAAa,GAAGpxB,MAAM,CAACx3B,MAAP,GAAgB,CAApC;;AAEA,SAAK,IAAIrB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG64B,MAAM,CAACx3B,MAA3B,EAAmCrB,CAAC,IAAI,CAAxC,EAA2C;AACzC,UAAMg0B,KAAK,GAAG6E,MAAM,CAAC74B,CAAD,CAApB;;AACA,UAAI,CAACg0B,KAAK,CAACllB,KAAN,IAAeA,KAAf,IAAwBklB,KAAK,CAAChlB,MAAN,IAAgBA,MAAzC,KAAoDg7C,mBAAmB,CAACh2B,KAAD,EAAQ6E,MAAM,CAAC74B,CAAC,GAAG,CAAL,CAAd,CAA3E,EAAmG;AACjGiqD,qBAAa,GAAGjqD,CAAhB;AACA;AACD;AACF;;AAED,WAAOiqD,aAAP;AACD,G;;;;wBA5DiB;AAChB,UAAIn7C,KAAJ;AACA,UAAM6qB,KAAK,GAAG,KAAKA,KAAnB;;AACA,UAAIA,KAAJ,EAAW;AACT7qB,aAAK,GAAG6qB,KAAK,CAAC7qB,KAAN,IAAe6qB,KAAK,CAACuwB,WAArB,IAAoCvwB,KAAK,CAACwwB,WAAlD;AACAr7C,aAAK,IAAI85C,kBAAkB,CAACwB,kBAA5B;AACD;;AACD,aAAOt7C,KAAP;AACD;;;wBAEkB;AACjB,UAAIE,MAAJ;AACA,UAAM2qB,KAAK,GAAG,KAAKA,KAAnB;;AACA,UAAIA,KAAJ,EAAW;AACT3qB,cAAM,GAAG2qB,KAAK,CAAC3qB,MAAN,IAAgB2qB,KAAK,CAAC0wB,YAAtB,IAAsC1wB,KAAK,CAAC2wB,YAArD;AACAt7C,cAAM,IAAI45C,kBAAkB,CAACwB,kBAA7B;AACD;;AACD,aAAOp7C,MAAP;AACD;;;wBAEgC;AAC/B,UAAIJ,UAAU,GAAG,CAAjB;;AACA,UAAI;AACFA,kBAAU,GAAGotB,MAAM,CAACuuB,gBAApB;AACD,OAFD,CAEE,OAAOlmD,CAAP,EAAU,CAAE;;AACd,aAAOuK,UAAP;AACD;;;;EA/I8BwiB,a;;AAoLlBw3B,gGAAf,E;;;;AC3LA;;;AAIA;AACA;AACA;4BAEwB5sB,M;IAAhBhV,0B,yBAAAA,W;;IAEFwjC,4B;;;;;AACJ,yBAAan5B,GAAb,EAAkB;AAAA,WAChB,yBAAMA,GAAN,EAAW9rB,iBAAK,CAAC+oB,eAAjB,CADgB;AAEjB;;;;SAED5qB,O,GAAA,mBAAW;AACT,QAAI,KAAKq3C,KAAT,EAAgB;AACdxK,mBAAa,CAAC,KAAKwK,KAAN,CAAb;AACD;;AAED,SAAK0P,+BAAL,GAAuC,KAAvC;AACD,G;;SAED9D,gB,GAAA,0BAAkBroD,IAAlB,EAAwB;AACtB,QAAM0F,MAAM,GAAG,KAAKqtB,GAAL,CAASrtB,MAAxB;;AACA,QAAIA,MAAM,CAAC0mD,iBAAX,EAA8B;AAC5B,UAAM35C,KAAK,GAAG,KAAKA,KAAL,GAAazS,IAAI,CAACq7B,KAAL,YAAsBqC,MAAM,CAACotB,gBAA7B,GAAgD9qD,IAAI,CAACq7B,KAArD,GAA6D,IAAxF;;AACA,UAAI,OAAO5oB,KAAK,CAAC45C,uBAAb,KAAyC,UAA7C,EAAyD;AACvD,aAAKF,+BAAL,GAAuC,IAAvC;AACD;;AAEDla,mBAAa,CAAC,KAAKwK,KAAN,CAAb;AACA,WAAKA,KAAL,GAAarK,WAAW,CAAC,KAAKka,gBAAL,CAAsBn8C,IAAtB,CAA2B,IAA3B,CAAD,EAAmCzK,MAAM,CAAC6mD,0BAA1C,CAAxB;AACD;AACF,G;;SAEDC,Q,GAAA,kBAAU/5C,KAAV,EAAiBg6C,aAAjB,EAAgCC,aAAhC,EAA+C;AAC7C,QAAIhkB,WAAW,GAAGhgB,0BAAW,CAACD,GAAZ,EAAlB;;AACA,QAAIgkC,aAAJ,EAAmB;AACjB,UAAI,KAAKE,QAAT,EAAmB;AACjB,YAAIC,aAAa,GAAGlkB,WAAW,GAAG,KAAKikB,QAAvC;AAAA,YACEE,cAAc,GAAGH,aAAa,GAAG,KAAKI,iBADxC;AAAA,YAEEC,cAAc,GAAGN,aAAa,GAAG,KAAKO,iBAFxC;AAAA,YAGEC,UAAU,GAAG,OAAOJ,cAAP,GAAwBD,aAHvC;AAAA,YAIE75B,GAAG,GAAG,KAAKA,GAJb;AAKAA,WAAG,CAAC/rB,OAAJ,CAAYC,iBAAK,CAACqrB,QAAlB,EAA4B;AAAEu6B,wBAAc,EAAEA,cAAlB;AAAkCE,wBAAc,EAAEA,cAAlD;AAAkEG,4BAAkB,EAAER;AAAtF,SAA5B;;AACA,YAAIO,UAAU,GAAG,CAAjB,EAAoB;AAClB;AACA,cAAIJ,cAAc,GAAG95B,GAAG,CAACrtB,MAAJ,CAAWynD,6BAAX,GAA2CJ,cAAhE,EAAgF;AAC9E,gBAAIlT,YAAY,GAAG9mB,GAAG,CAAC8mB,YAAvB;AACAzzC,4BAAM,CAACgN,IAAP,CAAY,qEAAqEymC,YAAjF;;AACA,gBAAIA,YAAY,GAAG,CAAf,KAAqB9mB,GAAG,CAACw3B,gBAAJ,KAAyB,CAAC,CAA1B,IAA+Bx3B,GAAG,CAACw3B,gBAAJ,IAAwB1Q,YAA5E,CAAJ,EAA+F;AAC7FA,0BAAY,GAAGA,YAAY,GAAG,CAA9B;AACA9mB,iBAAG,CAAC/rB,OAAJ,CAAYC,iBAAK,CAACsrB,sBAAlB,EAA0C;AAAEmD,qBAAK,EAAEmkB,YAAT;AAAuBgR,4BAAY,EAAE93B,GAAG,CAAC8mB;AAAzC,eAA1C;AACA9mB,iBAAG,CAACw3B,gBAAJ,GAAuB1Q,YAAvB;AACA9mB,iBAAG,CAACq4B,gBAAJ,CAAqBhT,eAArB;AACD;AACF;AACF;AACF;;AACD,WAAKuU,QAAL,GAAgBjkB,WAAhB;AACA,WAAKokB,iBAAL,GAAyBJ,aAAzB;AACA,WAAKM,iBAAL,GAAyBP,aAAzB;AACD;AACF,G;;SAEDH,gB,GAAA,4BAAoB;AAClB,QAAM75C,KAAK,GAAG,KAAKA,KAAnB;;AACA,QAAIA,KAAJ,EAAW;AACT,UAAI,KAAK05C,+BAAT,EAA0C;AACxC,YAAIiB,oBAAoB,GAAG36C,KAAK,CAAC45C,uBAAN,EAA3B;AACA,aAAKG,QAAL,CAAc/5C,KAAd,EAAqB26C,oBAAoB,CAACC,gBAA1C,EAA4DD,oBAAoB,CAACE,kBAAjF;AACD,OAHD,MAGO;AACL,aAAKd,QAAL,CAAc/5C,KAAd,EAAqBA,KAAK,CAAC86C,uBAA3B,EAAoD96C,KAAK,CAAC+6C,uBAA1D;AACD;AACF;AACF,G;;;EAlEyB16B,a;;AAqEbo5B,+EAAf,E;;AC/EA;;;AAIA;wBAEwCxuB,M;IAAhChV,sB,qBAAAA,W;IAAa+kC,c,qBAAAA,c;;IAEfC,oB;;;AACJ,qBAAahoD,MAAb,EAAqB;AACnB,QAAIA,MAAM,IAAIA,MAAM,CAACioD,QAArB,EAA+B;AAC7B,WAAKA,QAAL,GAAgBjoD,MAAM,CAACioD,QAAvB;AACD;AACF;;;;SAEDvoD,O,GAAA,mBAAW;AACT,SAAKo6B,KAAL;AACA,SAAK5J,MAAL,GAAc,IAAd;AACD,G;;SAED4J,K,GAAA,iBAAS;AACP,QAAI5J,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAIA,MAAM,IAAIA,MAAM,CAAC+gB,UAAP,KAAsB,CAApC,EAAuC;AACrC,WAAKvtB,KAAL,CAAWu6B,OAAX,GAAqB,IAArB;AACA/tB,YAAM,CAAC4J,KAAP;AACD;;AAED9B,UAAM,CAAC4U,YAAP,CAAoB,KAAKsb,cAAzB;AACA,SAAKA,cAAL,GAAsB,IAAtB;AACAlwB,UAAM,CAAC4U,YAAP,CAAoB,KAAKub,YAAzB;AACA,SAAKA,YAAL,GAAoB,IAApB;AACD,G;;SAED7uB,I,GAAA,cAAMf,OAAN,EAAev4B,MAAf,EAAuBooD,SAAvB,EAAkC;AAChC,SAAK7vB,OAAL,GAAeA,OAAf;AACA,SAAKv4B,MAAL,GAAcA,MAAd;AACA,SAAKooD,SAAL,GAAiBA,SAAjB;AACA,SAAK1kC,KAAL,GAAa;AAAEm1B,cAAQ,EAAE71B,sBAAW,CAACD,GAAZ,EAAZ;AAA+BslC,WAAK,EAAE;AAAtC,KAAb;AACA,SAAKpuB,UAAL,GAAkBj6B,MAAM,CAACi6B,UAAzB;AACA,SAAKquB,YAAL;AACD,G;;SAEDA,Y,GAAA,wBAAgB;AACd,QAAIC,GAAJ;AAAA,QAAShwB,OAAO,GAAG,KAAKA,OAAxB;AACAgwB,OAAG,GAAG,KAAKr4B,MAAL,GAAc,IAAI63B,cAAJ,EAApB;AAEA,QAAIrkC,KAAK,GAAG,KAAKA,KAAjB;AACAA,SAAK,CAACiyB,MAAN,GAAe,CAAf;AACAjyB,SAAK,CAACka,MAAN,GAAe,CAAf;AACA,QAAMqqB,QAAQ,GAAG,KAAKA,QAAtB;;AAEA,QAAI;AACF,UAAIA,QAAJ,EAAc;AACZ,YAAI;AACFA,kBAAQ,CAACM,GAAD,EAAMhwB,OAAO,CAAC9R,GAAd,CAAR;AACD,SAFD,CAEE,OAAOpmB,CAAP,EAAU;AACV;AACA;AACAkoD,aAAG,CAACC,IAAJ,CAAS,KAAT,EAAgBjwB,OAAO,CAAC9R,GAAxB,EAA6B,IAA7B;AACAwhC,kBAAQ,CAACM,GAAD,EAAMhwB,OAAO,CAAC9R,GAAd,CAAR;AACD;AACF;;AACD,UAAI,CAAC8hC,GAAG,CAACtX,UAAT,EAAqB;AACnBsX,WAAG,CAACC,IAAJ,CAAS,KAAT,EAAgBjwB,OAAO,CAAC9R,GAAxB,EAA6B,IAA7B;AACD;AACF,KAdD,CAcE,OAAOpmB,CAAP,EAAU;AACV;AACA,WAAK+nD,SAAL,CAAertB,OAAf,CAAuB;AAAEqpB,YAAI,EAAEmE,GAAG,CAACE,MAAZ;AAAoBv7C,YAAI,EAAE7M,CAAC,CAACgB;AAA5B,OAAvB,EAA8Dk3B,OAA9D,EAAuEgwB,GAAvE;AACA;AACD;;AAED,QAAIhwB,OAAO,CAACgE,QAAZ,EAAsB;AACpBgsB,SAAG,CAACG,gBAAJ,CAAqB,OAArB,EAA8B,WAAWnwB,OAAO,CAAC+D,UAAnB,GAAgC,GAAhC,IAAuC/D,OAAO,CAACgE,QAAR,GAAmB,CAA1D,CAA9B;AACD;;AAEDgsB,OAAG,CAACI,kBAAJ,GAAyB,KAAKC,gBAAL,CAAsBn+C,IAAtB,CAA2B,IAA3B,CAAzB;AACA89C,OAAG,CAACM,UAAJ,GAAiB,KAAK3qB,YAAL,CAAkBzzB,IAAlB,CAAuB,IAAvB,CAAjB;AACA89C,OAAG,CAAC/uB,YAAJ,GAAmBjB,OAAO,CAACiB,YAA3B,CAnCc,CAqCd;;AACA,SAAK0uB,cAAL,GAAsBlwB,MAAM,CAAC8U,UAAP,CAAkB,KAAK5R,WAAL,CAAiBzwB,IAAjB,CAAsB,IAAtB,CAAlB,EAA+C,KAAKzK,MAAL,CAAYg6B,OAA3D,CAAtB;AACAuuB,OAAG,CAACO,IAAJ;AACD,G;;SAEDF,gB,GAAA,0BAAkBvkC,KAAlB,EAAyB;AACvB,QAAIkkC,GAAG,GAAGlkC,KAAK,CAAC0kC,aAAhB;AAAA,QACE9X,UAAU,GAAGsX,GAAG,CAACtX,UADnB;AAAA,QAEEvtB,KAAK,GAAG,KAAKA,KAFf;AAAA,QAGE6U,OAAO,GAAG,KAAKA,OAHjB;AAAA,QAIEv4B,MAAM,GAAG,KAAKA,MAJhB,CADuB,CAOvB;;AACA,QAAI0jB,KAAK,CAACu6B,OAAV,EAAmB;AACjB;AACD,KAVsB,CAYvB;;;AACA,QAAIhN,UAAU,IAAI,CAAlB,EAAqB;AACnB;AACAjZ,YAAM,CAAC4U,YAAP,CAAoB,KAAKsb,cAAzB;;AACA,UAAIxkC,KAAK,CAACiyB,MAAN,KAAiB,CAArB,EAAwB;AACtBjyB,aAAK,CAACiyB,MAAN,GAAeztC,IAAI,CAAC+U,GAAL,CAAS+F,sBAAW,CAACD,GAAZ,EAAT,EAA4BW,KAAK,CAACm1B,QAAlC,CAAf;AACD;;AAED,UAAI5H,UAAU,KAAK,CAAnB,EAAsB;AACpB,YAAIwX,MAAM,GAAGF,GAAG,CAACE,MAAjB,CADoB,CAEpB;;AACA,YAAIA,MAAM,IAAI,GAAV,IAAiBA,MAAM,GAAG,GAA9B,EAAmC;AACjC/kC,eAAK,CAAC6X,KAAN,GAAcrzB,IAAI,CAAC+U,GAAL,CAASyG,KAAK,CAACiyB,MAAf,EAAuB3yB,sBAAW,CAACD,GAAZ,EAAvB,CAAd;AACA,cAAIzoB,IAAJ,EAAUiL,GAAV;;AACA,cAAIgzB,OAAO,CAACiB,YAAR,KAAyB,aAA7B,EAA4C;AAC1Cl/B,gBAAI,GAAGiuD,GAAG,CAAC5vB,QAAX;AACApzB,eAAG,GAAGjL,IAAI,CAACS,UAAX;AACD,WAHD,MAGO;AACLT,gBAAI,GAAGiuD,GAAG,CAACS,YAAX;AACAzjD,eAAG,GAAGjL,IAAI,CAAC+C,MAAX;AACD;;AACDqmB,eAAK,CAACka,MAAN,GAAela,KAAK,CAACgyB,KAAN,GAAcnwC,GAA7B;AACA,cAAIozB,QAAQ,GAAG;AAAElS,eAAG,EAAE8hC,GAAG,CAACU,WAAX;AAAwB3uD,gBAAI,EAAEA;AAA9B,WAAf;AACA,eAAK8tD,SAAL,CAAevtB,SAAf,CAAyBlC,QAAzB,EAAmCjV,KAAnC,EAA0C6U,OAA1C,EAAmDgwB,GAAnD;AACD,SAbD,MAaO;AACL;AACA,cAAI7kC,KAAK,CAAC2kC,KAAN,IAAeroD,MAAM,CAAC+5B,QAA1B,EAAoC;AAClCr5B,4BAAM,CAACU,KAAP,CAAgBqnD,MAAhB,uBAAwClwB,OAAO,CAAC9R,GAAhD;AACA,iBAAK2hC,SAAL,CAAertB,OAAf,CAAuB;AAAEqpB,kBAAI,EAAEqE,MAAR;AAAgBv7C,kBAAI,EAAEq7C,GAAG,CAACW;AAA1B,aAAvB,EAA+D3wB,OAA/D,EAAwEgwB,GAAxE;AACD,WAHD,MAGO;AACL;AACA7nD,4BAAM,CAACgN,IAAP,CAAe+6C,MAAf,uBAAuClwB,OAAO,CAAC9R,GAA/C,sBAAmE,KAAKwT,UAAxE,UAFK,CAGL;;AACA,iBAAKv6B,OAAL,GAJK,CAKL;;AACA,iBAAKyoD,YAAL,GAAoBnwB,MAAM,CAAC8U,UAAP,CAAkB,KAAKwb,YAAL,CAAkB79C,IAAlB,CAAuB,IAAvB,CAAlB,EAAgD,KAAKwvB,UAArD,CAApB,CANK,CAOL;;AACA,iBAAKA,UAAL,GAAkB/xB,IAAI,CAACC,GAAL,CAAS,IAAI,KAAK8xB,UAAlB,EAA8Bj6B,MAAM,CAACk6B,aAArC,CAAlB;AACAxW,iBAAK,CAAC2kC,KAAN;AACD;AACF;AACF,OAjCD,MAiCO;AACL;AACA,aAAKH,cAAL,GAAsBlwB,MAAM,CAAC8U,UAAP,CAAkB,KAAK5R,WAAL,CAAiBzwB,IAAjB,CAAsB,IAAtB,CAAlB,EAA+CzK,MAAM,CAACg6B,OAAtD,CAAtB;AACD;AACF;AACF,G;;SAEDkB,W,GAAA,uBAAe;AACbx6B,oBAAM,CAACgN,IAAP,4BAAqC,KAAK6qB,OAAL,CAAa9R,GAAlD;AACA,SAAK2hC,SAAL,CAAentB,SAAf,CAAyB,KAAKvX,KAA9B,EAAqC,KAAK6U,OAA1C,EAAmD,IAAnD;AACD,G;;SAED2F,Y,GAAA,sBAAc7Z,KAAd,EAAqB;AACnB,QAAIkkC,GAAG,GAAGlkC,KAAK,CAAC0kC,aAAhB;AAAA,QACErlC,KAAK,GAAG,KAAKA,KADf;AAGAA,SAAK,CAACka,MAAN,GAAevZ,KAAK,CAACuZ,MAArB;;AACA,QAAIvZ,KAAK,CAAC8kC,gBAAV,EAA4B;AAC1BzlC,WAAK,CAACgyB,KAAN,GAAcrxB,KAAK,CAACqxB,KAApB;AACD;;AAED,QAAIzX,UAAU,GAAG,KAAKmqB,SAAL,CAAenqB,UAAhC;;AACA,QAAIA,UAAJ,EAAgB;AACd;AACAA,gBAAU,CAACva,KAAD,EAAQ,KAAK6U,OAAb,EAAsB,IAAtB,EAA4BgwB,GAA5B,CAAV;AACD;AACF,G;;;;;AAGYP,mEAAf,E;;;;;ACtKA;;;AAGO,IAAKoB,UAAZ;;WAAYA,U;AAAAA,Y;AAAAA,Y;GAAAA,U,KAAAA,U;;AAMZ,IAAMC,2BAA2B,GAAI,YAAiC;AACpE,MAAI,OAAOrxB,MAAP,KAAkB,WAAlB,IAAiCA,MAAM,CAACx1B,SAAxC,IAAqDw1B,MAAM,CAACx1B,SAAP,CAAiB6mD,2BAA1E,EAAuG;AACrG,WAAOrxB,MAAM,CAACx1B,SAAP,CAAiB6mD,2BAAjB,CAA6C5+C,IAA7C,CAAkDutB,MAAM,CAACx1B,SAAzD,CAAP;AACD,GAFD,MAEO;AACL,WAAO,IAAP;AACD;AACF,CANmC,EAApC;;;;;;;;ACTA;;;AAIA;AACA;AACA;AACA;CAEA;;AAEA;AACA;AAEA;AACA;AACA;AACA;AACA;AACA;AAgJA;AACA;AAEO,IAAM8mD,gBAA2B;AACtC/V,eAAa,EAAE,IADuB;AACjB;AACrB/E,eAAa,EAAE,CAAC,CAFsB;AAEnB;AACnB8H,mBAAiB,EAAE,KAAK,CAHc;AAGX;AAC3B/jC,OAAK,EAAE,KAJ+B;AAIxB;AACdm0C,mBAAiB,EAAE,KALmB;AAKZ;AAC1B3B,sBAAoB,EAAE,KANgB;AAMT;AAC7BxU,yBAAuB,EAAE,CAPa;AAOV;AAC5BJ,iBAAe,EAAE,EARqB;AAQjB;AACrBD,eAAa,EAAE,KAAK,IAAL,GAAY,IATW;AASL;AACjCzvB,eAAa,EAAE,GAVuB;AAUlB;AAEpB8oC,yBAAuB,EAAE,GAZa;AAYR;AAC9B/d,0BAAwB,EAAE,CAbY;AAaT;AAC7BM,aAAW,EAAE,GAdyB;AAcpB;AAClBD,eAAa,EAAE,CAfuB;AAepB;AAClB9I,wBAAsB,EAAE,IAhBc;AAgBR;AAC9B8L,uBAAqB,EAAE,CAjBe;AAiBZ;AAC1BkC,6BAA2B,EAAE9yB,QAlBS;AAkBC;AACvC2wB,kBAAgB,EAAE,KAAK,CAnBe;AAmBZ;AAC1BkC,wBAAsB,EAAE,KAAK,CApBS;AAoBN;AAChCoT,sBAAoB,EAAE,KArBgB;AAqBT;AAC7BN,sBAAoB,EAAE3lC,QAtBgB;AAsBN;AAChCmyB,oBAAkB,EAAE,GAvBkB;AAuBb;AACzB9M,cAAY,EAAE,IAxBwB;AAwBlB;AACpB9iC,mBAAiB,EAAE,IAzBmB;AAyBb;AACzB45B,wBAAsB,EAAE,KA1Bc;AA0BP;AAC/BD,yBAAuB,EAAE,CA3Ba;AA2BV;AAC5BE,2BAAyB,EAAE,IA5BW;AA4BL;AACjCC,gCAA8B,EAAE,KA7BM;AA6BC;AACvCgV,YAAU,EAAE,KAAK,CA9BqB;AA8BlB;AACpB/U,qBAAmB,EAAE,KA/BiB;AA+BV;AAC5BC,sBAAoB,EAAE,CAhCgB;AAgCb;AACzBC,wBAAsB,EAAE,IAjCc;AAiCR;AAC9BC,6BAA2B,EAAE,KAlCS;AAkCF;AACpCqD,oBAAkB,EAAE,KAnCkB;AAmCX;AAC3B8X,qBAAmB,EAAE,CApCiB;AAoCd;AACxBpX,uBAAqB,EAAE,IArCe;AAqCT;AAC7BT,4BAA0B,EAAE,KAtCU;AAsCH;AACnC8R,mBAAiB,EAAE,KAvCmB;AAuCZ;AAC1B+W,4BAA0B,EAAE,IAxCU;AAwCJ;AAClCY,+BAA6B,EAAE,GAzCO;AAyCF;AACpCnD,qBAAmB,EAAE,CA1CiB;AA0Cd;AACxBp0B,QAAM,EAAE83B,UA3C8B;AA4CtC;AACAtqB,SAAO,EAAE,KAAK,CA7CwB;AA6CrB;AACjB5E,SAAO,EAAE,KAAK,CA9CwB;AA8CrB;AACjBmvB,UAAQ,EAAE,KAAK,CA/CuB;AA+CpB;AAClBuB,iBAAe,EAAE,KAAK,CAhDgB;AAgDb;AACzB;AACAC,eAAa,EAAEvM,cAlDuB;AAmDtCwM,kBAAgB,EAAErJ,iBAnDoB;AAoDtCsJ,oBAAkB,EAAE/E,oBApDkB;AAqDtCgF,eAAa,EAAEpD,cArDuB;AAsDtChmC,wBAAsB,EAAE,KAtDc;AAsDP;AAC/BoB,qBAAmB,EAAE,CAvDiB;AAuDd;AACxBvP,8BAA4B,EAAE,IAxDQ;AAwDF;AACpCsrC,iBAAe,EAAE,CAzDqB;AAyDlB;AACpBC,iBAAe,EAAE,CA1DqB;AA0DlB;AACpBC,gBAAc,EAAE,CA3DsB;AA2DnB;AACnBC,gBAAc,EAAE,CA5DsB;AA4DnB;AACnBC,wBAAsB,EAAE,GA7Dc;AA6DT;AAC7BkC,oBAAkB,EAAE,IA9DkB;AA8DZ;AAC1BC,sBAAoB,EAAE,GA/DgB;AA+DX;AAC3BvB,uBAAqB,EAAE,KAhEe;AAgER;AAC9BwB,oBAAkB,EAAE,CAjEkB;AAiEf;AACvBC,iBAAe,EAAE,CAlEqB;AAkElB;AACpByJ,gBAAc,EAAE,CAnEsB;AAmEnB;AACnBC,YAAU,EAAE,KApE0B;AAoEnB;AACnBC,oBAAkB,EAAE,KAAK,CArEa;AAqEV;AAC5BC,iCAA+B,EAAEX,2BAA2BA;AAtEtB,GAyEnCY,cAAc,EAzEqB;AA0EtCC,0BAAwB,EAAGC,MAAD,GAAsBC,SAAtB,GAAiD,KAAK,CA1E1C;AA2EtCC,yBAAuB,EAAGF,MAAD,GAAsBG,SAAtB,GAAgD,KAAK,CA3ExC;AA4EtCC,oBAAkB,EAAGJ,MAAD,GAAsBK,SAAtB,GAA2C,KAAK,CA5E9B;AA6EtCC,uBAAqB,EAAGC,MAAD,GAAsBC,SAAtB,GAA8C,KAAK,CA7EpC;AA8EtCC,sBAAoB,EAAGF,MAAD,GAAsBG,SAAtB,GAA6C,KAAK,CA9ElC;AA+EtCC,eAAa,EAAGC,MAAD,GAAoBC,SAApB,GAAoC,KAAK;AA/ElB,EAAjC;;AAkFP,SAASf,cAAT,GAAqD;AACnD,MAAI,IAAJ,EAAwB;AACtB;AACA;AACA,WAAO,EAAP;AACD;;AACD,SAAO;AACLgB,cAAU,EAAEC,KADP;AACa;AAClBC,wBAAoB,EAAE,IAFjB;AAEuB;AAC5BC,gBAAY,EAAE,IAHT;AAGe;AACpBC,2BAAuB,EAAE,SAJpB;AAI+B;AACpCC,kCAA8B,EAAE,IAL3B;AAKiC;AACtCC,2BAAuB,EAAE,SANpB;AAM+B;AACpCC,kCAA8B,EAAE,IAP3B,CAOgC;;AAPhC,GAAP;AASD,C;;;;;;;;;;;;;;;ACvQD;AAEA;AAKA;AACA;AACA;AAEA;AACA;AACA;AACA;AAEA;AACA;AACA;AAEA;AAEA;AAEA;;;;;;IAKqBC,O;;;;;AAwBnB;;;MAGOzQ,W,GAAP,uBAA+B;AAC7B,WAAOA,wBAAW,EAAlB;AACD;AAED;;;;;;;;AAdA;;;wBAG8B;AAC5B,aAAO0Q,SAAP;AACD;;;wBAYoB;AACnB,aAAOrhC,iBAAP;AACD;AAED;;;;;;wBAGyB;AACvB,aAAO3oB,oBAAP;AACD;AAED;;;;;;wBAG2B;AACzB,aAAOG,sBAAP;AACD;AAED;;;;;;wBAGuC;AACrC,UAAI,CAAC4pD,GAAG,CAACE,aAAT,EAAwB;AACtB,eAAOrC,gBAAP;AACD;;AAED,aAAOmC,GAAG,CAACE,aAAX;AACD;AAED;;;;sBAG0BA,a,EAA0B;AAClDF,SAAG,CAACE,aAAJ,GAAoBA,aAApB;AACD;AAED;;;;;;;;;AAMA,eAAaC,UAAb,EAAkD;AAAA;;AAAA,QAArCA,UAAqC;AAArCA,gBAAqC,GAAJ,EAAI;AAAA;;AAChD;AADgD,UA1E3C5rD,MA0E2C;AAAA,UAxE1C6rD,iBAwE0C;AAAA,UAvE1CpC,aAuE0C;AAAA,UAtE1CE,kBAsE0C;AAAA,UArE1CmC,eAqE0C;AAAA,UApE1CpG,gBAoE0C;AAAA,UAnE1CqG,kBAmE0C;AAAA,UAlE1CnB,oBAkE0C;AAAA,UAjE1CP,uBAiE0C;AAAA,UAhE1CS,aAgE0C;AAAA,UA/D1CkB,cA+D0C;AAAA,UA9D1Cr2B,KA8D0C,GA9DT,IA8DS;AAAA,UA7D1ClP,GA6D0C,GA7DrB,IA6DqB;AAGhD,QAAMklC,aAAa,GAAGF,GAAG,CAACQ,aAA1B;;AAEA,QAAI,CAACL,UAAU,CAAC/c,qBAAX,IAAoC+c,UAAU,CAAC7a,2BAAhD,MAAiF6a,UAAU,CAAChd,gBAAX,IAA+Bgd,UAAU,CAAC9a,sBAA3H,CAAJ,EAAwJ;AACtJ,YAAM,IAAIvzC,KAAJ,CAAU,oIAAV,CAAN;AACD,KAP+C,CAShD;;;AACA,UAAKyC,MAAL,wBACK2rD,aADL,EAEKC,UAFL;;AAVgD;AAAA,QAexC5rD,MAfwC,yBAexCA,MAfwC;;AAiBhD,QAAIA,MAAM,CAAC+wC,2BAAP,KAAuC,KAAK,CAA5C,IAAiD/wC,MAAM,CAAC+wC,2BAAP,IAAsC/wC,MAAM,CAAC6uC,qBAAlG,EAAyH;AACvH,YAAM,IAAItxC,KAAJ,CAAU,yFAAV,CAAN;AACD;;AAED,QAAIyC,MAAM,CAAC8wC,sBAAP,KAAkC,KAAK,CAAvC,KAA6C9wC,MAAM,CAAC4uC,gBAAP,KAA4B,KAAK,CAAjC,IAAsC5uC,MAAM,CAAC8wC,sBAAP,IAAiC9wC,MAAM,CAAC4uC,gBAA3H,CAAJ,EAAkJ;AAChJ,YAAM,IAAIrxC,KAAJ,CAAU,+EAAV,CAAN;AACD;;AAEDynB,gCAAU,CAAChlB,MAAM,CAACuS,KAAR,CAAV;AAEA,UAAKs5C,iBAAL,GAAyB,CAAC,CAA1B,CA3BgD,CA6BhD;;AAEA;;;;AAGA,QAAMpC,aAAa,GAAG,MAAKA,aAAL,GAAqB,IAAIzpD,MAAM,CAACypD,aAAX,kCAA3C,CAlCgD,CAkC2B;;AAC3E,QAAMC,gBAAgB,GAAG,IAAI1pD,MAAM,CAAC0pD,gBAAX,kCAAzB,CAnCgD,CAmCY;;AAC5D,QAAMC,kBAAkB,GAAG,MAAKA,kBAAL,GAA0B,IAAI3pD,MAAM,CAAC2pD,kBAAX,kCAArD,CApCgD,CAoC0C;;AAC1F,QAAMC,aAAa,GAAG,IAAI5pD,MAAM,CAAC4pD,aAAX,kCAAtB,CArCgD,CAqCM;;AACtD,QAAMsC,cAAc,GAAG,IAAIj0B,eAAJ,kCAAvB;AACA,QAAMk0B,cAAc,GAAG,IAAI7uB,eAAJ,kCAAvB;AACA,QAAM8uB,SAAS,GAAG,IAAI/tB,UAAJ,kCAAlB;AACA,QAAMguB,kBAAkB,GAAG,IAAItS,oBAAJ,kCAA3B,CAzCgD,CA2ChD;;AAEA;;;;AAGA,QAAM+R,eAAe,GAAG,MAAKA,eAAL,GAAuB,IAAInV,gCAAJ,kCAA/C,CAhDgD,CAkDhD;;AACA,QAAM9M,eAAe,GAAG,IAAI5K,gCAAJ,kCAAxB;AAEA;;;;AAGA,QAAMymB,gBAAgB,GAAG,MAAKA,gBAAL,GAAwB,IAAI3W,iBAAJ,mCAA2BlF,eAA3B,CAAjD;AAEA,QAAIkiB,kBAAkB,GAAG,CAACD,eAAD,EAAkBpG,gBAAlB,CAAzB,CA1DgD,CA4DhD;;AACA;;;;AAGA,QAAI4G,UAAU,GAAGtsD,MAAM,CAACyqD,qBAAxB;;AACA,QAAI6B,UAAJ,EAAgB;AACdP,wBAAkB,CAACrnD,IAAnB,CAAwB,IAAI4nD,UAAJ,mCAAqBziB,eAArB,CAAxB;AACD;AAED;;;;;AAGA,UAAKkiB,kBAAL,GAA0BA,kBAA1B;AAEA;;;;AAGA,QAAMC,cAAc,GAAG,CACrBE,cADqB,EAErBC,cAFqB,EAGrBC,SAHqB,EAIrB3C,aAJqB,EAKrBC,gBALqB,EAMrBC,kBANqB,EAOrBC,aAPqB,EAQrByC,kBARqB,EASrBxiB,eATqB,CAAvB,CA7EgD,CAyFhD;;AACAyiB,cAAU,GAAGtsD,MAAM,CAAC4qD,oBAApB;;AACA,QAAI0B,UAAJ,EAAgB;AACd,UAAM1B,oBAAoB,GAAG,IAAI0B,UAAJ,kCAA7B;AAEA;;;;AAGA,YAAK1B,oBAAL,GAA4BA,oBAA5B;AACAoB,oBAAc,CAACtnD,IAAf,CAAoBkmD,oBAApB;AACD;;AAED0B,cAAU,GAAGtsD,MAAM,CAACqqD,uBAApB;;AACA,QAAIiC,UAAJ,EAAgB;AACd,UAAMjC,uBAAuB,GAAG,IAAIiC,UAAJ,kCAAhC;AAEA;;;;AAGA,YAAKjC,uBAAL,GAA+BA,uBAA/B;AACA0B,wBAAkB,CAACrnD,IAAnB,CAAwB2lD,uBAAxB;AACD;;AAEDiC,cAAU,GAAGtsD,MAAM,CAAC8qD,aAApB;;AACA,QAAIwB,UAAJ,EAAgB;AACd,UAAMxB,aAAa,GAAG,IAAIwB,UAAJ,kCAAtB;AAEA;;;;AAGA,YAAKxB,aAAL,GAAqBA,aAArB;AACAkB,oBAAc,CAACtnD,IAAf,CAAoBomD,aAApB;AACD,KAzH+C,CA2HhD;;;AACAwB,cAAU,GAAGtsD,MAAM,CAACkqD,wBAApB;;AACA,QAAIoC,UAAJ,EAAgB;AACdP,wBAAkB,CAACrnD,IAAnB,CAAwB,IAAI4nD,UAAJ,mCAAqBziB,eAArB,CAAxB;AACD;;AACDyiB,cAAU,GAAGtsD,MAAM,CAACuqD,kBAApB;;AACA,QAAI+B,UAAJ,EAAgB;AACdN,oBAAc,CAACtnD,IAAf,CAAoB,IAAI4nD,UAAJ,kCAApB;AACD;AAED;;;;;AAGA,UAAKN,cAAL,GAAsBA,cAAtB;AAxIgD;AAyIjD;AAED;;;;;;;SAGAtsD,O,GAAA,mBAAW;AACTgB,oBAAM,CAACC,GAAP,CAAW,SAAX;AACA,SAAKW,OAAL,CAAa+oB,iBAAS,CAACyC,UAAvB;AACA,SAAKy/B,WAAL;AACA,SAAKP,cAAL,CAAoBxxC,MAApB,CAA2B,KAAKuxC,kBAAhC,EAAoDj5C,OAApD,CAA4D,UAAA05C,SAAS,EAAI;AACvEA,eAAS,CAAC9sD,OAAV;AACD,KAFD;AAGA,SAAK+mB,GAAL,GAAW,IAAX;AACA,SAAK6d,kBAAL;AACA,SAAKunB,iBAAL,GAAyB,CAAC,CAA1B;AACD;AAED;;;;;;SAIAY,W,GAAA,qBAAa92B,KAAb,EAAsC;AACpCj1B,oBAAM,CAACC,GAAP,CAAW,aAAX;AACA,SAAKg1B,KAAL,GAAaA,KAAb;AACA,SAAKr0B,OAAL,CAAa+oB,iBAAS,CAACC,eAAvB,EAAwC;AAAEqL,WAAK,EAAEA;AAAT,KAAxC;AACD;AAED;;;;;SAGA42B,W,GAAA,uBAAe;AACb7rD,oBAAM,CAACC,GAAP,CAAW,aAAX;AACA,SAAKW,OAAL,CAAa+oB,iBAAS,CAACG,eAAvB;AACA,SAAKmL,KAAL,GAAa,IAAb;AACD;AAED;;;;;;SAIA+2B,U,GAAA,oBAAYjmC,GAAZ,EAAyB;AACvBA,OAAG,GAAGiO,+BAAA,CAA4BsD,MAAM,CAAC20B,QAAP,CAAgBC,IAA5C,EAAkDnmC,GAAlD,EAAuD;AAAEqI,qBAAe,EAAE;AAAnB,KAAvD,CAAN;AACApuB,oBAAM,CAACC,GAAP,iBAAyB8lB,GAAzB;AACA,SAAKA,GAAL,GAAWA,GAAX,CAHuB,CAIvB;;AACA,SAAKnlB,OAAL,CAAa+oB,iBAAS,CAACa,gBAAvB,EAAyC;AAAEzE,SAAG,EAAEA;AAAP,KAAzC;AACD;AAED;;;;;;;;;SAOAmnB,S,GAAA,mBAAWY,aAAX,EAAuC;AAAA,QAA5BA,aAA4B;AAA5BA,mBAA4B,GAAJ,CAAC,CAAG;AAAA;;AACrC9tC,oBAAM,CAACC,GAAP,gBAAwB6tC,aAAxB;AACA,SAAKud,kBAAL,CAAwBj5C,OAAxB,CAAgC,UAAA+5C,UAAU,EAAI;AAC5CA,gBAAU,CAACjf,SAAX,CAAqBY,aAArB;AACD,KAFD;AAGD;AAED;;;;;SAGAX,Q,GAAA,oBAAY;AACVntC,oBAAM,CAACC,GAAP,CAAW,UAAX;AACA,SAAKorD,kBAAL,CAAwBj5C,OAAxB,CAAgC,UAAA+5C,UAAU,EAAI;AAC5CA,gBAAU,CAAChf,QAAX;AACD,KAFD;AAGD;AAED;;;;;SAGAwI,c,GAAA,0BAAkB;AAChB31C,oBAAM,CAACC,GAAP,CAAW,gBAAX;AACA,SAAK+kD,gBAAL,CAAsBrP,cAAtB;AACD;AAED;;;;;;;;SAMAyW,iB,GAAA,6BAAqB;AACnBpsD,oBAAM,CAACC,GAAP,CAAW,mBAAX;AACA,QAAIg1B,KAAK,GAAG,KAAKA,KAAjB;AACA,SAAK42B,WAAL;;AACA,QAAI52B,KAAJ,EAAW;AACT,WAAK82B,WAAL,CAAiB92B,KAAjB;AACD;AACF;AAED;;;AAGA;;;;;wBACqB;AACnB,aAAO,KAAKm2B,eAAL,CAAqBj3B,MAA5B;AACD;AAED;;;;;;;wBAI4B;AAC1B,aAAO,KAAK6wB,gBAAL,CAAsBvR,YAA7B;AACD;AAED;;;;;;;sBAMkBgE,Q,EAAkB;AAClCz3C,sBAAM,CAACC,GAAP,uBAA+Bw3C,QAA/B;AACA,WAAKf,SAAL,GAAiBe,QAAjB;AACA,WAAKuN,gBAAL,CAAsBxT,oBAAtB;AACD;AAED;;;;;;;wBAIyB;AACvB,aAAO,KAAKwT,gBAAL,CAAsB5S,SAA7B;AACD;AAED;;;;;;;sBAMeqF,Q,EAAkB;AAC/Bz3C,sBAAM,CAACC,GAAP,oBAA4Bw3C,QAA5B;AACA,WAAK2T,eAAL,CAAqBiB,WAArB,GAAmC5U,QAAnC;AACA,WAAKuN,gBAAL,CAAsBhT,eAAtB;AACD;AAED;;;;;;;wBAIyB;AACvB,aAAO,KAAKoZ,eAAL,CAAqB97B,KAA5B;AACD;AAED;;;;;;;sBAMemoB,Q,EAAkB;AAC/Bz3C,sBAAM,CAACC,GAAP,oBAA4Bw3C,QAA5B;AACA,WAAK2T,eAAL,CAAqBiB,WAArB,GAAmC5U,QAAnC;AACD;AAED;;;;;;;wBAI6B;AAC3B,aAAO,KAAK2T,eAAL,CAAqBvc,aAA5B;AACD;AAED;;;;;;sBAKmBvf,K,EAAe;AAChC,WAAK87B,eAAL,CAAqBvc,aAArB,GAAqCvf,KAArC;AACD;AAED;;;;;;;;wBAK0B;AACxB,aAAO9nB,IAAI,CAAC+U,GAAL,CAAS,KAAK6uC,eAAL,CAAqB/T,UAA9B,EAA0C,KAAKiG,YAA/C,CAAP;AACD;AAED;;;;;sBAIgB7F,Q,EAAkB;AAChCz3C,sBAAM,CAACC,GAAP,qBAA6Bw3C,QAA7B;AACA,WAAK2T,eAAL,CAAqB/T,UAArB,GAAkCI,QAAlC;AACD;AAED;;;;;;;;;;wBAO0B;AACxB,aAAO,KAAK2T,eAAL,CAAqBxc,UAA5B;AACD;AAED;;;;;;;;sBAOgB6I,Q,EAAkB;AAChCz3C,sBAAM,CAACC,GAAP,qBAA6Bw3C,QAA7B,EADgC,CAEhC;;AACA,UAAIA,QAAQ,KAAK,CAAC,CAAlB,EAAqB;AACnBA,gBAAQ,GAAGjwC,IAAI,CAAC+U,GAAL,CAASk7B,QAAT,EAAmB,KAAK6F,YAAxB,CAAX;AACD;;AAED,WAAK8N,eAAL,CAAqBxc,UAArB,GAAkC6I,QAAlC;AACD;AAED;;;;;;;;sBAK0B6U,kB,EAA6B;AACrD,UAAMC,uBAAuB,GAAG,CAAC,CAACD,kBAAlC;;AAEA,UAAIC,uBAAuB,KAAK,KAAKjtD,MAAL,CAAY+kD,oBAA5C,EAAkE;AAChE,YAAIkI,uBAAJ,EAA6B;AAC3B,eAAKtD,kBAAL,CAAwBtE,YAAxB,GAD2B,CACa;AACzC,SAFD,MAEO;AACL,eAAKsE,kBAAL,CAAwB3E,WAAxB;AACA,eAAKH,gBAAL,GAAwB,CAAC,CAAzB;AACA,eAAKa,gBAAL,CAAsBhT,eAAtB,GAHK,CAGoC;AAC1C;;AAED,aAAK1yC,MAAL,CAAY+kD,oBAAZ,GAAmCkI,uBAAnC;AACD;AACF;AAED;;;;;;;wBAIgC;AAC9B,aAAO,KAAKpB,iBAAZ;AACD;AAED;;;;;;AASA;;;;sBAIsB1T,Q,EAAkB;AACtCz3C,sBAAM,CAACC,GAAP,2BAAmCw3C,QAAnC;AACA,WAAK0T,iBAAL,GAAyB1T,QAAzB;AACD;AAED;;;;;;;wBAdiC;AAC/B,UAAMyH,WAAW,GAAG,KAAK6J,aAAL,CAAmBpM,YAAvC;AACA,aAAOuC,WAAW,GAAGA,WAAW,CAAC3D,WAAZ,EAAH,GAA+BiR,GAAjD;AACD;;;wBAegC;AAC/B,aAAQ,KAAKpB,eAAL,CAAqBiB,WAArB,KAAqC,CAAC,CAA9C;AACD;AAED;;;;;;;wBAI2B;AACzB,aAAO,KAAKjB,eAAL,CAAqBiB,WAA5B;AACD;AAED;;;;;;;wBAI4B;AAAA,UAClBl4B,MADkB,GACqB,IADrB,CAClBA,MADkB;AAAA,UACAg1B,cADA,GACqB,IADrB,CACV7pD,MADU,CACA6pD,cADA;AAE1B,UAAMtkD,GAAG,GAAGsvB,MAAM,GAAGA,MAAM,CAACx3B,MAAV,GAAmB,CAArC;;AAEA,WAAK,IAAIrB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGuJ,GAApB,EAAyBvJ,CAAC,EAA1B,EAA8B;AAC5B,YAAM0iD,gBAAgB,GAAG7pB,MAAM,CAAC74B,CAAD,CAAN,CAAUqiD,WAAV,GACrBn2C,IAAI,CAAC+U,GAAL,CAAS4X,MAAM,CAAC74B,CAAD,CAAN,CAAUqiD,WAAnB,EAAgCxpB,MAAM,CAAC74B,CAAD,CAAN,CAAUo5B,OAA1C,CADqB,GAErBP,MAAM,CAAC74B,CAAD,CAAN,CAAUo5B,OAFd;;AAIA,YAAIspB,gBAAgB,GAAGmL,cAAvB,EAAuC;AACrC,iBAAO7tD,CAAP;AACD;AACF;;AAED,aAAO,CAAP;AACD;AAED;;;;;;;wBAI4B;AAAA,UAClB64B,MADkB,GACW,IADX,CAClBA,MADkB;AAAA,UACVgwB,gBADU,GACW,IADX,CACVA,gBADU;AAG1B,UAAIzF,YAAJ;;AACA,UAAIyF,gBAAgB,KAAK,CAAC,CAAtB,IAA2BhwB,MAA3B,IAAqCA,MAAM,CAACx3B,MAAhD,EAAwD;AACtD+hD,oBAAY,GAAGvqB,MAAM,CAACx3B,MAAP,GAAgB,CAA/B;AACD,OAFD,MAEO;AACL+hD,oBAAY,GAAGyF,gBAAf;AACD;;AAED,aAAOzF,YAAP;AACD;AAED;;;;;;;wBAI6B;AAC3B;AACA,aAAOl3C,IAAI,CAACC,GAAL,CAASD,IAAI,CAAC+U,GAAL,CAAS,KAAKwsC,aAAL,CAAmB7Q,aAA5B,EAA2C,KAAKoF,YAAhD,CAAT,EAAwE,KAAKoB,YAA7E,CAAP;AACD;AAED;;;;;;;;;sBAQmBtM,S,EAAmB;AACpC,WAAK2W,aAAL,CAAmB7Q,aAAnB,GAAmC1wC,IAAI,CAAC+U,GAAL,CAAS,KAAK+gC,YAAd,EAA4BlL,SAA5B,CAAnC;AACD;AAED;;;AAGA;;;;wBAC0B;AACxB,UAAM8X,oBAAoB,GAAG,KAAKA,oBAAlC;AACA,aAAOA,oBAAoB,GAAGA,oBAAoB,CAAChvB,WAAxB,GAAsC,EAAjE;AACD;AAED;;;;;;;wBAI0B;AACxB,UAAMgvB,oBAAoB,GAAG,KAAKA,oBAAlC;AACA,aAAOA,oBAAoB,GAAGA,oBAAoB,CAAC97C,UAAxB,GAAqC,CAAC,CAAjE;AACD;AAED;;;;;sBAIgBq+C,Y,EAAsB;AACpC,UAAMvC,oBAAoB,GAAG,KAAKA,oBAAlC;;AACA,UAAIA,oBAAJ,EAA0B;AACxBA,4BAAoB,CAAC97C,UAArB,GAAkCq+C,YAAlC;AACD;AACF;AAED;;;;;;wBAGgC;AAC9B,aAAO,KAAKzH,gBAAL,CAAsB1U,gBAA7B;AACD;AAED;;;;AAIA;;;;wBAC6B;AAC3B,UAAMqZ,uBAAuB,GAAG,KAAKA,uBAArC;AACA,aAAOA,uBAAuB,GAAGA,uBAAuB,CAAC+C,cAA3B,GAA4C,EAA1E;AACD;AAED;;;;;;;wBAI6B;AAC3B,UAAM/C,uBAAuB,GAAG,KAAKA,uBAArC;AACA,aAAOA,uBAAuB,GAAGA,uBAAuB,CAACgD,aAA3B,GAA2C,CAAC,CAA1E;AACD;AAED;;;;;sBAImBC,e,EAAyB;AAC1C,UAAMjD,uBAAuB,GAAG,KAAKA,uBAArC;;AACA,UAAIA,uBAAJ,EAA6B;AAC3BA,+BAAuB,CAACgD,aAAxB,GAAwCC,eAAxC;AACD;AACF;AAED;;;;;;wBAGgC;AAC9B,UAAMjD,uBAAuB,GAAG,KAAKA,uBAArC;AACA,aAAOA,uBAAuB,GAAGA,uBAAuB,CAACkD,eAA3B,GAA6C,KAA3E;AACD;AAED;;;;;sBAIqBx4C,K,EAAgB;AACnC,UAAMs1C,uBAAuB,GAAG,KAAKA,uBAArC;;AACA,UAAIA,uBAAJ,EAA6B;AAC3BA,+BAAuB,CAACkD,eAAxB,GAA0Cx4C,KAA1C;AACD;AACF;;;;EAnoB8BouB,Q;;AAAZsoB,O,CACLE,a;;;;;;;;;;;;;AC9BhB;AAAA;AAAO,IAAM6B,cAAc,GAAGn7B,MAAM,CAACtI,QAAP,IAAmB,UAAUhV,KAAV,EAAiB;AAChE,SAAO,OAAOA,KAAP,KAAiB,QAAjB,IAA6BgV,QAAQ,CAAChV,KAAD,CAA5C;AACD,CAFM,C;;;;;;;;;;;;ACAP;AAAA;AAAO,SAASlV,YAAT,GAAyB;AAC9B;AACA,MAAI,OAAOm4B,MAAP,KAAkB,WAAtB,EAAmC;AACjC;AACA,WAAO7T,IAAP;AACD,GAHD,MAGO;AACL,WAAO6T,MAAP;AACD;AACF,C;;;;;;;;;;;;ACRD;AAAA;AAAA;AAAA;AAAA;;AAEA,SAASy1B,IAAT,GAAwB,CAAE;;AAE1B,IAAMC,UAAU,GAAG;AACjBnrC,OAAK,EAAEkrC,IADU;AAEjBl7C,OAAK,EAAEk7C,IAFU;AAGjB9sD,KAAG,EAAE8sD,IAHY;AAIjB//C,MAAI,EAAE+/C,IAJW;AAKjB/nC,MAAI,EAAE+nC,IALW;AAMjBrsD,OAAK,EAAEqsD;AANU,CAAnB;AASA,IAAIE,cAAc,GAAGD,UAArB,C,CAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA,SAASE,SAAT,CAAoBnsD,IAApB,EAA0BosD,GAA1B,EAA+B;AAC7BA,KAAG,GAAG,MAAMpsD,IAAN,GAAa,MAAb,GAAsBosD,GAA5B;AACA,SAAOA,GAAP;AACD;;AAED,IAAMjuD,MAAM,GAAGC,oEAAY,EAA3B;;AAEA,SAASiuD,cAAT,CAAyBrsD,IAAzB,EAA+B;AAC7B,MAAMssD,IAAI,GAAGnuD,MAAM,CAACqpB,OAAP,CAAexnB,IAAf,CAAb;;AACA,MAAIssD,IAAJ,EAAU;AACR,WAAO,YAAmB;AAAA,wCAANC,IAAM;AAANA,YAAM;AAAA;;AACxB,UAAIA,IAAI,CAAC,CAAD,CAAR,EAAa;AACXA,YAAI,CAAC,CAAD,CAAJ,GAAUJ,SAAS,CAACnsD,IAAD,EAAOusD,IAAI,CAAC,CAAD,CAAX,CAAnB;AACD;;AAEDD,UAAI,CAACxzC,KAAL,CAAW3a,MAAM,CAACqpB,OAAlB,EAA2B+kC,IAA3B;AACD,KAND;AAOD;;AACD,SAAOP,IAAP;AACD;;AAED,SAASQ,qBAAT,CAAgCC,WAAhC,EAA2D;AAAA,qCAAXC,SAAW;AAAXA,aAAW;AAAA;;AACzDA,WAAS,CAACr7C,OAAV,CAAkB,UAAUrR,IAAV,EAAgB;AAChCksD,kBAAc,CAAClsD,IAAD,CAAd,GAAuBysD,WAAW,CAACzsD,IAAD,CAAX,GAAoBysD,WAAW,CAACzsD,IAAD,CAAX,CAAkBgJ,IAAlB,CAAuByjD,WAAvB,CAApB,GAA0DJ,cAAc,CAACrsD,IAAD,CAA/F;AACD,GAFD;AAGD;;AAEM,IAAMujB,UAAU,GAAG,SAAbA,UAAa,CAAUkpC,WAAV,EAAuB;AAC/C;AACA,MAAKtuD,MAAM,CAACqpB,OAAP,IAAkBilC,WAAW,KAAK,IAAnC,IAA4C,OAAOA,WAAP,KAAuB,QAAvE,EAAiF;AAC/ED,yBAAqB,CAACC,WAAD,EACnB;AACA;AACA,WAHmB,EAInB,KAJmB,EAKnB,MALmB,EAMnB,MANmB,EAOnB,OAPmB,CAArB,CAD+E,CAU/E;AACA;;AACA,QAAI;AACFP,oBAAc,CAAChtD,GAAf;AACD,KAFD,CAEE,OAAON,CAAP,EAAU;AACVstD,oBAAc,GAAGD,UAAjB;AACD;AACF,GAjBD,MAiBO;AACLC,kBAAc,GAAGD,UAAjB;AACD;AACF,CAtBM;AAwBA,IAAMhtD,MAAM,GAAGitD,cAAf,C","file":"hls.light.js","sourcesContent":["(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"Hls\"] = factory();\n\telse\n\t\troot[\"Hls\"] = factory();\n})(this, function() {\nreturn "," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId]) {\n \t\t\treturn installedModules[moduleId].exports;\n \t\t}\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\ti: moduleId,\n \t\t\tl: false,\n \t\t\texports: {}\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, { enumerable: true, get: getter });\n \t\t}\n \t};\n\n \t// define __esModule on exports\n \t__webpack_require__.r = function(exports) {\n \t\tif(typeof Symbol !== 'undefined' && Symbol.toStringTag) {\n \t\t\tObject.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });\n \t\t}\n \t\tObject.defineProperty(exports, '__esModule', { value: true });\n \t};\n\n \t// create a fake namespace object\n \t// mode & 1: value is a module id, require it\n \t// mode & 2: merge all properties of value into the ns\n \t// mode & 4: return value when already ns object\n \t// mode & 8|1: behave like require\n \t__webpack_require__.t = function(value, mode) {\n \t\tif(mode & 1) value = __webpack_require__(value);\n \t\tif(mode & 8) return value;\n \t\tif((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;\n \t\tvar ns = Object.create(null);\n \t\t__webpack_require__.r(ns);\n \t\tObject.defineProperty(ns, 'default', { enumerable: true, value: value });\n \t\tif(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));\n \t\treturn ns;\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"/dist/\";\n\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = \"./src/hls.ts\");\n","'use strict';\n\nvar has = Object.prototype.hasOwnProperty\n , prefix = '~';\n\n/**\n * Constructor to create a storage for our `EE` objects.\n * An `Events` instance is a plain object whose properties are event names.\n *\n * @constructor\n * @private\n */\nfunction Events() {}\n\n//\n// We try to not inherit from `Object.prototype`. In some engines creating an\n// instance in this way is faster than calling `Object.create(null)` directly.\n// If `Object.create(null)` is not supported we prefix the event names with a\n// character to make sure that the built-in object properties are not\n// overridden or used as an attack vector.\n//\nif (Object.create) {\n Events.prototype = Object.create(null);\n\n //\n // This hack is needed because the `__proto__` property is still inherited in\n // some old browsers like Android 4, iPhone 5.1, Opera 11 and Safari 5.\n //\n if (!new Events().__proto__) prefix = false;\n}\n\n/**\n * Representation of a single event listener.\n *\n * @param {Function} fn The listener function.\n * @param {*} context The context to invoke the listener with.\n * @param {Boolean} [once=false] Specify if the listener is a one-time listener.\n * @constructor\n * @private\n */\nfunction EE(fn, context, once) {\n this.fn = fn;\n this.context = context;\n this.once = once || false;\n}\n\n/**\n * Add a listener for a given event.\n *\n * @param {EventEmitter} emitter Reference to the `EventEmitter` instance.\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} context The context to invoke the listener with.\n * @param {Boolean} once Specify if the listener is a one-time listener.\n * @returns {EventEmitter}\n * @private\n */\nfunction addListener(emitter, event, fn, context, once) {\n if (typeof fn !== 'function') {\n throw new TypeError('The listener must be a function');\n }\n\n var listener = new EE(fn, context || emitter, once)\n , evt = prefix ? prefix + event : event;\n\n if (!emitter._events[evt]) emitter._events[evt] = listener, emitter._eventsCount++;\n else if (!emitter._events[evt].fn) emitter._events[evt].push(listener);\n else emitter._events[evt] = [emitter._events[evt], listener];\n\n return emitter;\n}\n\n/**\n * Clear event by name.\n *\n * @param {EventEmitter} emitter Reference to the `EventEmitter` instance.\n * @param {(String|Symbol)} evt The Event name.\n * @private\n */\nfunction clearEvent(emitter, evt) {\n if (--emitter._eventsCount === 0) emitter._events = new Events();\n else delete emitter._events[evt];\n}\n\n/**\n * Minimal `EventEmitter` interface that is molded against the Node.js\n * `EventEmitter` interface.\n *\n * @constructor\n * @public\n */\nfunction EventEmitter() {\n this._events = new Events();\n this._eventsCount = 0;\n}\n\n/**\n * Return an array listing the events for which the emitter has registered\n * listeners.\n *\n * @returns {Array}\n * @public\n */\nEventEmitter.prototype.eventNames = function eventNames() {\n var names = []\n , events\n , name;\n\n if (this._eventsCount === 0) return names;\n\n for (name in (events = this._events)) {\n if (has.call(events, name)) names.push(prefix ? name.slice(1) : name);\n }\n\n if (Object.getOwnPropertySymbols) {\n return names.concat(Object.getOwnPropertySymbols(events));\n }\n\n return names;\n};\n\n/**\n * Return the listeners registered for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Array} The registered listeners.\n * @public\n */\nEventEmitter.prototype.listeners = function listeners(event) {\n var evt = prefix ? prefix + event : event\n , handlers = this._events[evt];\n\n if (!handlers) return [];\n if (handlers.fn) return [handlers.fn];\n\n for (var i = 0, l = handlers.length, ee = new Array(l); i < l; i++) {\n ee[i] = handlers[i].fn;\n }\n\n return ee;\n};\n\n/**\n * Return the number of listeners listening to a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Number} The number of listeners.\n * @public\n */\nEventEmitter.prototype.listenerCount = function listenerCount(event) {\n var evt = prefix ? prefix + event : event\n , listeners = this._events[evt];\n\n if (!listeners) return 0;\n if (listeners.fn) return 1;\n return listeners.length;\n};\n\n/**\n * Calls each of the listeners registered for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Boolean} `true` if the event had listeners, else `false`.\n * @public\n */\nEventEmitter.prototype.emit = function emit(event, a1, a2, a3, a4, a5) {\n var evt = prefix ? prefix + event : event;\n\n if (!this._events[evt]) return false;\n\n var listeners = this._events[evt]\n , len = arguments.length\n , args\n , i;\n\n if (listeners.fn) {\n if (listeners.once) this.removeListener(event, listeners.fn, undefined, true);\n\n switch (len) {\n case 1: return listeners.fn.call(listeners.context), true;\n case 2: return listeners.fn.call(listeners.context, a1), true;\n case 3: return listeners.fn.call(listeners.context, a1, a2), true;\n case 4: return listeners.fn.call(listeners.context, a1, a2, a3), true;\n case 5: return listeners.fn.call(listeners.context, a1, a2, a3, a4), true;\n case 6: return listeners.fn.call(listeners.context, a1, a2, a3, a4, a5), true;\n }\n\n for (i = 1, args = new Array(len -1); i < len; i++) {\n args[i - 1] = arguments[i];\n }\n\n listeners.fn.apply(listeners.context, args);\n } else {\n var length = listeners.length\n , j;\n\n for (i = 0; i < length; i++) {\n if (listeners[i].once) this.removeListener(event, listeners[i].fn, undefined, true);\n\n switch (len) {\n case 1: listeners[i].fn.call(listeners[i].context); break;\n case 2: listeners[i].fn.call(listeners[i].context, a1); break;\n case 3: listeners[i].fn.call(listeners[i].context, a1, a2); break;\n case 4: listeners[i].fn.call(listeners[i].context, a1, a2, a3); break;\n default:\n if (!args) for (j = 1, args = new Array(len -1); j < len; j++) {\n args[j - 1] = arguments[j];\n }\n\n listeners[i].fn.apply(listeners[i].context, args);\n }\n }\n }\n\n return true;\n};\n\n/**\n * Add a listener for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} [context=this] The context to invoke the listener with.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.on = function on(event, fn, context) {\n return addListener(this, event, fn, context, false);\n};\n\n/**\n * Add a one-time listener for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} [context=this] The context to invoke the listener with.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.once = function once(event, fn, context) {\n return addListener(this, event, fn, context, true);\n};\n\n/**\n * Remove the listeners of a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn Only remove the listeners that match this function.\n * @param {*} context Only remove the listeners that have this context.\n * @param {Boolean} once Only remove one-time listeners.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.removeListener = function removeListener(event, fn, context, once) {\n var evt = prefix ? prefix + event : event;\n\n if (!this._events[evt]) return this;\n if (!fn) {\n clearEvent(this, evt);\n return this;\n }\n\n var listeners = this._events[evt];\n\n if (listeners.fn) {\n if (\n listeners.fn === fn &&\n (!once || listeners.once) &&\n (!context || listeners.context === context)\n ) {\n clearEvent(this, evt);\n }\n } else {\n for (var i = 0, events = [], length = listeners.length; i < length; i++) {\n if (\n listeners[i].fn !== fn ||\n (once && !listeners[i].once) ||\n (context && listeners[i].context !== context)\n ) {\n events.push(listeners[i]);\n }\n }\n\n //\n // Reset the array, or remove it completely if we have no more listeners.\n //\n if (events.length) this._events[evt] = events.length === 1 ? events[0] : events;\n else clearEvent(this, evt);\n }\n\n return this;\n};\n\n/**\n * Remove all listeners, or those of the specified event.\n *\n * @param {(String|Symbol)} [event] The event name.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.removeAllListeners = function removeAllListeners(event) {\n var evt;\n\n if (event) {\n evt = prefix ? prefix + event : event;\n if (this._events[evt]) clearEvent(this, evt);\n } else {\n this._events = new Events();\n this._eventsCount = 0;\n }\n\n return this;\n};\n\n//\n// Alias methods names because people roll like that.\n//\nEventEmitter.prototype.off = EventEmitter.prototype.removeListener;\nEventEmitter.prototype.addListener = EventEmitter.prototype.on;\n\n//\n// Expose the prefix.\n//\nEventEmitter.prefixed = prefix;\n\n//\n// Allow `EventEmitter` to be imported as module namespace.\n//\nEventEmitter.EventEmitter = EventEmitter;\n\n//\n// Expose the module.\n//\nif ('undefined' !== typeof module) {\n module.exports = EventEmitter;\n}\n","// see https://tools.ietf.org/html/rfc1808\n\n/* jshint ignore:start */\n(function(root) { \n/* jshint ignore:end */\n\n var URL_REGEX = /^((?:[a-zA-Z0-9+\\-.]+:)?)(\\/\\/[^\\/?#]*)?((?:[^\\/\\?#]*\\/)*.*?)??(;.*?)?(\\?.*?)?(#.*?)?$/;\n var FIRST_SEGMENT_REGEX = /^([^\\/?#]*)(.*)$/;\n var SLASH_DOT_REGEX = /(?:\\/|^)\\.(?=\\/)/g;\n var SLASH_DOT_DOT_REGEX = /(?:\\/|^)\\.\\.\\/(?!\\.\\.\\/).*?(?=\\/)/g;\n\n var URLToolkit = { // jshint ignore:line\n // If opts.alwaysNormalize is true then the path will always be normalized even when it starts with / or //\n // E.g\n // With opts.alwaysNormalize = false (default, spec compliant)\n // http://a.com/b/cd + /e/f/../g => http://a.com/e/f/../g\n // With opts.alwaysNormalize = true (not spec compliant)\n // http://a.com/b/cd + /e/f/../g => http://a.com/e/g\n buildAbsoluteURL: function(baseURL, relativeURL, opts) {\n opts = opts || {};\n // remove any remaining space and CRLF\n baseURL = baseURL.trim();\n relativeURL = relativeURL.trim();\n if (!relativeURL) {\n // 2a) If the embedded URL is entirely empty, it inherits the\n // entire base URL (i.e., is set equal to the base URL)\n // and we are done.\n if (!opts.alwaysNormalize) {\n return baseURL;\n }\n var basePartsForNormalise = URLToolkit.parseURL(baseURL);\n if (!basePartsForNormalise) {\n throw new Error('Error trying to parse base URL.');\n }\n basePartsForNormalise.path = URLToolkit.normalizePath(basePartsForNormalise.path);\n return URLToolkit.buildURLFromParts(basePartsForNormalise);\n }\n var relativeParts = URLToolkit.parseURL(relativeURL);\n if (!relativeParts) {\n throw new Error('Error trying to parse relative URL.');\n }\n if (relativeParts.scheme) {\n // 2b) If the embedded URL starts with a scheme name, it is\n // interpreted as an absolute URL and we are done.\n if (!opts.alwaysNormalize) {\n return relativeURL;\n }\n relativeParts.path = URLToolkit.normalizePath(relativeParts.path);\n return URLToolkit.buildURLFromParts(relativeParts);\n }\n var baseParts = URLToolkit.parseURL(baseURL);\n if (!baseParts) {\n throw new Error('Error trying to parse base URL.');\n }\n if (!baseParts.netLoc && baseParts.path && baseParts.path[0] !== '/') {\n // If netLoc missing and path doesn't start with '/', assume everthing before the first '/' is the netLoc\n // This causes 'example.com/a' to be handled as '//example.com/a' instead of '/example.com/a'\n var pathParts = FIRST_SEGMENT_REGEX.exec(baseParts.path);\n baseParts.netLoc = pathParts[1];\n baseParts.path = pathParts[2];\n }\n if (baseParts.netLoc && !baseParts.path) {\n baseParts.path = '/';\n }\n var builtParts = {\n // 2c) Otherwise, the embedded URL inherits the scheme of\n // the base URL.\n scheme: baseParts.scheme,\n netLoc: relativeParts.netLoc,\n path: null,\n params: relativeParts.params,\n query: relativeParts.query,\n fragment: relativeParts.fragment\n };\n if (!relativeParts.netLoc) {\n // 3) If the embedded URL's <net_loc> is non-empty, we skip to\n // Step 7. Otherwise, the embedded URL inherits the <net_loc>\n // (if any) of the base URL.\n builtParts.netLoc = baseParts.netLoc;\n // 4) If the embedded URL path is preceded by a slash \"/\", the\n // path is not relative and we skip to Step 7.\n if (relativeParts.path[0] !== '/') {\n if (!relativeParts.path) {\n // 5) If the embedded URL path is empty (and not preceded by a\n // slash), then the embedded URL inherits the base URL path\n builtParts.path = baseParts.path;\n // 5a) if the embedded URL's <params> is non-empty, we skip to\n // step 7; otherwise, it inherits the <params> of the base\n // URL (if any) and\n if (!relativeParts.params) {\n builtParts.params = baseParts.params;\n // 5b) if the embedded URL's <query> is non-empty, we skip to\n // step 7; otherwise, it inherits the <query> of the base\n // URL (if any) and we skip to step 7.\n if (!relativeParts.query) {\n builtParts.query = baseParts.query;\n }\n }\n } else {\n // 6) The last segment of the base URL's path (anything\n // following the rightmost slash \"/\", or the entire path if no\n // slash is present) is removed and the embedded URL's path is\n // appended in its place.\n var baseURLPath = baseParts.path;\n var newPath = baseURLPath.substring(0, baseURLPath.lastIndexOf('/') + 1) + relativeParts.path;\n builtParts.path = URLToolkit.normalizePath(newPath);\n }\n }\n }\n if (builtParts.path === null) {\n builtParts.path = opts.alwaysNormalize ? URLToolkit.normalizePath(relativeParts.path) : relativeParts.path;\n }\n return URLToolkit.buildURLFromParts(builtParts);\n },\n parseURL: function(url) {\n var parts = URL_REGEX.exec(url);\n if (!parts) {\n return null;\n }\n return {\n scheme: parts[1] || '',\n netLoc: parts[2] || '',\n path: parts[3] || '',\n params: parts[4] || '',\n query: parts[5] || '',\n fragment: parts[6] || ''\n };\n },\n normalizePath: function(path) {\n // The following operations are\n // then applied, in order, to the new path:\n // 6a) All occurrences of \"./\", where \".\" is a complete path\n // segment, are removed.\n // 6b) If the path ends with \".\" as a complete path segment,\n // that \".\" is removed.\n path = path.split('').reverse().join('').replace(SLASH_DOT_REGEX, '');\n // 6c) All occurrences of \"<segment>/../\", where <segment> is a\n // complete path segment not equal to \"..\", are removed.\n // Removal of these path segments is performed iteratively,\n // removing the leftmost matching pattern on each iteration,\n // until no matching pattern remains.\n // 6d) If the path ends with \"<segment>/..\", where <segment> is a\n // complete path segment not equal to \"..\", that\n // \"<segment>/..\" is removed.\n while (path.length !== (path = path.replace(SLASH_DOT_DOT_REGEX, '')).length) {} // jshint ignore:line\n return path.split('').reverse().join('');\n },\n buildURLFromParts: function(parts) {\n return parts.scheme + parts.netLoc + parts.path + parts.params + parts.query + parts.fragment;\n }\n };\n\n/* jshint ignore:start */\n if(typeof exports === 'object' && typeof module === 'object')\n module.exports = URLToolkit;\n else if(typeof define === 'function' && define.amd)\n define([], function() { return URLToolkit; });\n else if(typeof exports === 'object')\n exports[\"URLToolkit\"] = URLToolkit;\n else\n root[\"URLToolkit\"] = URLToolkit;\n})(this);\n/* jshint ignore:end */\n","function webpackBootstrapFunc (modules) {\n/******/ // The module cache\n/******/ var installedModules = {};\n\n/******/ // The require function\n/******/ function __webpack_require__(moduleId) {\n\n/******/ // Check if module is in cache\n/******/ if(installedModules[moduleId])\n/******/ return installedModules[moduleId].exports;\n\n/******/ // Create a new module (and put it into the cache)\n/******/ var module = installedModules[moduleId] = {\n/******/ i: moduleId,\n/******/ l: false,\n/******/ exports: {}\n/******/ };\n\n/******/ // Execute the module function\n/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n/******/ // Flag the module as loaded\n/******/ module.l = true;\n\n/******/ // Return the exports of the module\n/******/ return module.exports;\n/******/ }\n\n/******/ // expose the modules object (__webpack_modules__)\n/******/ __webpack_require__.m = modules;\n\n/******/ // expose the module cache\n/******/ __webpack_require__.c = installedModules;\n\n/******/ // identity function for calling harmony imports with the correct context\n/******/ __webpack_require__.i = function(value) { return value; };\n\n/******/ // define getter function for harmony exports\n/******/ __webpack_require__.d = function(exports, name, getter) {\n/******/ if(!__webpack_require__.o(exports, name)) {\n/******/ Object.defineProperty(exports, name, {\n/******/ configurable: false,\n/******/ enumerable: true,\n/******/ get: getter\n/******/ });\n/******/ }\n/******/ };\n\n/******/ // define __esModule on exports\n/******/ __webpack_require__.r = function(exports) {\n/******/ Object.defineProperty(exports, '__esModule', { value: true });\n/******/ };\n\n/******/ // getDefaultExport function for compatibility with non-harmony modules\n/******/ __webpack_require__.n = function(module) {\n/******/ var getter = module && module.__esModule ?\n/******/ function getDefault() { return module['default']; } :\n/******/ function getModuleExports() { return module; };\n/******/ __webpack_require__.d(getter, 'a', getter);\n/******/ return getter;\n/******/ };\n\n/******/ // Object.prototype.hasOwnProperty.call\n/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n/******/ // __webpack_public_path__\n/******/ __webpack_require__.p = \"/\";\n\n/******/ // on error function for async loading\n/******/ __webpack_require__.oe = function(err) { console.error(err); throw err; };\n\n var f = __webpack_require__(__webpack_require__.s = ENTRY_MODULE)\n return f.default || f // try to call default if defined to also support babel esmodule exports\n}\n\nvar moduleNameReqExp = '[\\\\.|\\\\-|\\\\+|\\\\w|\\/|@]+'\nvar dependencyRegExp = '\\\\(\\\\s*(\\/\\\\*.*?\\\\*\\/)?\\\\s*.*?(' + moduleNameReqExp + ').*?\\\\)' // additional chars when output.pathinfo is true\n\n// http://stackoverflow.com/a/2593661/130442\nfunction quoteRegExp (str) {\n return (str + '').replace(/[.?*+^$[\\]\\\\(){}|-]/g, '\\\\$&')\n}\n\nfunction isNumeric(n) {\n return !isNaN(1 * n); // 1 * n converts integers, integers as string (\"123\"), 1e3 and \"1e3\" to integers and strings to NaN\n}\n\nfunction getModuleDependencies (sources, module, queueName) {\n var retval = {}\n retval[queueName] = []\n\n var fnString = module.toString()\n var wrapperSignature = fnString.match(/^function\\s?\\w*\\(\\w+,\\s*\\w+,\\s*(\\w+)\\)/)\n if (!wrapperSignature) return retval\n var webpackRequireName = wrapperSignature[1]\n\n // main bundle deps\n var re = new RegExp('(\\\\\\\\n|\\\\W)' + quoteRegExp(webpackRequireName) + dependencyRegExp, 'g')\n var match\n while ((match = re.exec(fnString))) {\n if (match[3] === 'dll-reference') continue\n retval[queueName].push(match[3])\n }\n\n // dll deps\n re = new RegExp('\\\\(' + quoteRegExp(webpackRequireName) + '\\\\(\"(dll-reference\\\\s(' + moduleNameReqExp + '))\"\\\\)\\\\)' + dependencyRegExp, 'g')\n while ((match = re.exec(fnString))) {\n if (!sources[match[2]]) {\n retval[queueName].push(match[1])\n sources[match[2]] = __webpack_require__(match[1]).m\n }\n retval[match[2]] = retval[match[2]] || []\n retval[match[2]].push(match[4])\n }\n\n // convert 1e3 back to 1000 - this can be important after uglify-js converted 1000 to 1e3\n var keys = Object.keys(retval);\n for (var i = 0; i < keys.length; i++) {\n for (var j = 0; j < retval[keys[i]].length; j++) {\n if (isNumeric(retval[keys[i]][j])) {\n retval[keys[i]][j] = 1 * retval[keys[i]][j];\n }\n }\n }\n\n return retval\n}\n\nfunction hasValuesInQueues (queues) {\n var keys = Object.keys(queues)\n return keys.reduce(function (hasValues, key) {\n return hasValues || queues[key].length > 0\n }, false)\n}\n\nfunction getRequiredModules (sources, moduleId) {\n var modulesQueue = {\n main: [moduleId]\n }\n var requiredModules = {\n main: []\n }\n var seenModules = {\n main: {}\n }\n\n while (hasValuesInQueues(modulesQueue)) {\n var queues = Object.keys(modulesQueue)\n for (var i = 0; i < queues.length; i++) {\n var queueName = queues[i]\n var queue = modulesQueue[queueName]\n var moduleToCheck = queue.pop()\n seenModules[queueName] = seenModules[queueName] || {}\n if (seenModules[queueName][moduleToCheck] || !sources[queueName][moduleToCheck]) continue\n seenModules[queueName][moduleToCheck] = true\n requiredModules[queueName] = requiredModules[queueName] || []\n requiredModules[queueName].push(moduleToCheck)\n var newModules = getModuleDependencies(sources, sources[queueName][moduleToCheck], queueName)\n var newModulesKeys = Object.keys(newModules)\n for (var j = 0; j < newModulesKeys.length; j++) {\n modulesQueue[newModulesKeys[j]] = modulesQueue[newModulesKeys[j]] || []\n modulesQueue[newModulesKeys[j]] = modulesQueue[newModulesKeys[j]].concat(newModules[newModulesKeys[j]])\n }\n }\n }\n\n return requiredModules\n}\n\nmodule.exports = function (moduleId, options) {\n options = options || {}\n var sources = {\n main: __webpack_modules__\n }\n\n var requiredModules = options.all ? { main: Object.keys(sources.main) } : getRequiredModules(sources, moduleId)\n\n var src = ''\n\n Object.keys(requiredModules).filter(function (m) { return m !== 'main' }).forEach(function (module) {\n var entryModule = 0\n while (requiredModules[module][entryModule]) {\n entryModule++\n }\n requiredModules[module].push(entryModule)\n sources[module][entryModule] = '(function(module, exports, __webpack_require__) { module.exports = __webpack_require__; })'\n src = src + 'var ' + module + ' = (' + webpackBootstrapFunc.toString().replace('ENTRY_MODULE', JSON.stringify(entryModule)) + ')({' + requiredModules[module].map(function (id) { return '' + JSON.stringify(id) + ': ' + sources[module][id].toString() }).join(',') + '});\\n'\n })\n\n src = src + 'new ((' + webpackBootstrapFunc.toString().replace('ENTRY_MODULE', JSON.stringify(moduleId)) + ')({' + requiredModules.main.map(function (id) { return '' + JSON.stringify(id) + ': ' + sources.main[id].toString() }).join(',') + '}))(self);'\n\n var blob = new window.Blob([src], { type: 'text/javascript' })\n if (options.bare) { return blob }\n\n var URL = window.URL || window.webkitURL || window.mozURL || window.msURL\n\n var workerUrl = URL.createObjectURL(blob)\n var worker = new window.Worker(workerUrl)\n worker.objectURL = workerUrl\n\n return worker\n}\n","export default class AESCrypto {\n constructor (subtle, iv) {\n this.subtle = subtle;\n this.aesIV = iv;\n }\n\n decrypt (data, key) {\n return this.subtle.decrypt({ name: 'AES-CBC', iv: this.aesIV }, key, data);\n }\n}\n","class FastAESKey {\n constructor (subtle, key) {\n this.subtle = subtle;\n this.key = key;\n }\n\n expandKey () {\n return this.subtle.importKey('raw', this.key, { name: 'AES-CBC' }, false, ['encrypt', 'decrypt']);\n }\n}\n\nexport default FastAESKey;\n","// PKCS7\nexport function removePadding (buffer) {\n const outputBytes = buffer.byteLength;\n const paddingBytes = outputBytes && (new DataView(buffer)).getUint8(outputBytes - 1);\n if (paddingBytes) {\n return buffer.slice(0, outputBytes - paddingBytes);\n } else {\n return buffer;\n }\n}\n\nclass AESDecryptor {\n constructor () {\n // Static after running initTable\n this.rcon = [0x0, 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36];\n this.subMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)];\n this.invSubMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)];\n this.sBox = new Uint32Array(256);\n this.invSBox = new Uint32Array(256);\n\n // Changes during runtime\n this.key = new Uint32Array(0);\n\n this.initTable();\n }\n\n // Using view.getUint32() also swaps the byte order.\n uint8ArrayToUint32Array_ (arrayBuffer) {\n let view = new DataView(arrayBuffer);\n let newArray = new Uint32Array(4);\n for (let i = 0; i < 4; i++) {\n newArray[i] = view.getUint32(i * 4);\n }\n\n return newArray;\n }\n\n initTable () {\n let sBox = this.sBox;\n let invSBox = this.invSBox;\n let subMix = this.subMix;\n let subMix0 = subMix[0];\n let subMix1 = subMix[1];\n let subMix2 = subMix[2];\n let subMix3 = subMix[3];\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let d = new Uint32Array(256);\n let x = 0;\n let xi = 0;\n let i = 0;\n for (i = 0; i < 256; i++) {\n if (i < 128) {\n d[i] = i << 1;\n } else {\n d[i] = (i << 1) ^ 0x11b;\n }\n }\n\n for (i = 0; i < 256; i++) {\n let sx = xi ^ (xi << 1) ^ (xi << 2) ^ (xi << 3) ^ (xi << 4);\n sx = (sx >>> 8) ^ (sx & 0xff) ^ 0x63;\n sBox[x] = sx;\n invSBox[sx] = x;\n\n // Compute multiplication\n let x2 = d[x];\n let x4 = d[x2];\n let x8 = d[x4];\n\n // Compute sub/invSub bytes, mix columns tables\n let t = (d[sx] * 0x101) ^ (sx * 0x1010100);\n subMix0[x] = (t << 24) | (t >>> 8);\n subMix1[x] = (t << 16) | (t >>> 16);\n subMix2[x] = (t << 8) | (t >>> 24);\n subMix3[x] = t;\n\n // Compute inv sub bytes, inv mix columns tables\n t = (x8 * 0x1010101) ^ (x4 * 0x10001) ^ (x2 * 0x101) ^ (x * 0x1010100);\n invSubMix0[sx] = (t << 24) | (t >>> 8);\n invSubMix1[sx] = (t << 16) | (t >>> 16);\n invSubMix2[sx] = (t << 8) | (t >>> 24);\n invSubMix3[sx] = t;\n\n // Compute next counter\n if (!x) {\n x = xi = 1;\n } else {\n x = x2 ^ d[d[d[x8 ^ x2]]];\n xi ^= d[d[xi]];\n }\n }\n }\n\n expandKey (keyBuffer) {\n // convert keyBuffer to Uint32Array\n let key = this.uint8ArrayToUint32Array_(keyBuffer);\n let sameKey = true;\n let offset = 0;\n\n while (offset < key.length && sameKey) {\n sameKey = (key[offset] === this.key[offset]);\n offset++;\n }\n\n if (sameKey) {\n return;\n }\n\n this.key = key;\n let keySize = this.keySize = key.length;\n\n if (keySize !== 4 && keySize !== 6 && keySize !== 8) {\n throw new Error('Invalid aes key size=' + keySize);\n }\n\n let ksRows = this.ksRows = (keySize + 6 + 1) * 4;\n let ksRow;\n let invKsRow;\n\n let keySchedule = this.keySchedule = new Uint32Array(ksRows);\n let invKeySchedule = this.invKeySchedule = new Uint32Array(ksRows);\n let sbox = this.sBox;\n let rcon = this.rcon;\n\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let prev;\n let t;\n\n for (ksRow = 0; ksRow < ksRows; ksRow++) {\n if (ksRow < keySize) {\n prev = keySchedule[ksRow] = key[ksRow];\n continue;\n }\n t = prev;\n\n if (ksRow % keySize === 0) {\n // Rot word\n t = (t << 8) | (t >>> 24);\n\n // Sub word\n t = (sbox[t >>> 24] << 24) | (sbox[(t >>> 16) & 0xff] << 16) | (sbox[(t >>> 8) & 0xff] << 8) | sbox[t & 0xff];\n\n // Mix Rcon\n t ^= rcon[(ksRow / keySize) | 0] << 24;\n } else if (keySize > 6 && ksRow % keySize === 4) {\n // Sub word\n t = (sbox[t >>> 24] << 24) | (sbox[(t >>> 16) & 0xff] << 16) | (sbox[(t >>> 8) & 0xff] << 8) | sbox[t & 0xff];\n }\n\n keySchedule[ksRow] = prev = (keySchedule[ksRow - keySize] ^ t) >>> 0;\n }\n\n for (invKsRow = 0; invKsRow < ksRows; invKsRow++) {\n ksRow = ksRows - invKsRow;\n if (invKsRow & 3) {\n t = keySchedule[ksRow];\n } else {\n t = keySchedule[ksRow - 4];\n }\n\n if (invKsRow < 4 || ksRow <= 4) {\n invKeySchedule[invKsRow] = t;\n } else {\n invKeySchedule[invKsRow] = invSubMix0[sbox[t >>> 24]] ^ invSubMix1[sbox[(t >>> 16) & 0xff]] ^ invSubMix2[sbox[(t >>> 8) & 0xff]] ^ invSubMix3[sbox[t & 0xff]];\n }\n\n invKeySchedule[invKsRow] = invKeySchedule[invKsRow] >>> 0;\n }\n }\n\n // Adding this as a method greatly improves performance.\n networkToHostOrderSwap (word) {\n return (word << 24) | ((word & 0xff00) << 8) | ((word & 0xff0000) >> 8) | (word >>> 24);\n }\n\n decrypt (inputArrayBuffer, offset, aesIV, removePKCS7Padding) {\n let nRounds = this.keySize + 6;\n let invKeySchedule = this.invKeySchedule;\n let invSBOX = this.invSBox;\n\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let initVector = this.uint8ArrayToUint32Array_(aesIV);\n let initVector0 = initVector[0];\n let initVector1 = initVector[1];\n let initVector2 = initVector[2];\n let initVector3 = initVector[3];\n\n let inputInt32 = new Int32Array(inputArrayBuffer);\n let outputInt32 = new Int32Array(inputInt32.length);\n\n let t0, t1, t2, t3;\n let s0, s1, s2, s3;\n let inputWords0, inputWords1, inputWords2, inputWords3;\n\n let ksRow, i;\n let swapWord = this.networkToHostOrderSwap;\n\n while (offset < inputInt32.length) {\n inputWords0 = swapWord(inputInt32[offset]);\n inputWords1 = swapWord(inputInt32[offset + 1]);\n inputWords2 = swapWord(inputInt32[offset + 2]);\n inputWords3 = swapWord(inputInt32[offset + 3]);\n\n s0 = inputWords0 ^ invKeySchedule[0];\n s1 = inputWords3 ^ invKeySchedule[1];\n s2 = inputWords2 ^ invKeySchedule[2];\n s3 = inputWords1 ^ invKeySchedule[3];\n\n ksRow = 4;\n\n // Iterate through the rounds of decryption\n for (i = 1; i < nRounds; i++) {\n t0 = invSubMix0[s0 >>> 24] ^ invSubMix1[(s1 >> 16) & 0xff] ^ invSubMix2[(s2 >> 8) & 0xff] ^ invSubMix3[s3 & 0xff] ^ invKeySchedule[ksRow];\n t1 = invSubMix0[s1 >>> 24] ^ invSubMix1[(s2 >> 16) & 0xff] ^ invSubMix2[(s3 >> 8) & 0xff] ^ invSubMix3[s0 & 0xff] ^ invKeySchedule[ksRow + 1];\n t2 = invSubMix0[s2 >>> 24] ^ invSubMix1[(s3 >> 16) & 0xff] ^ invSubMix2[(s0 >> 8) & 0xff] ^ invSubMix3[s1 & 0xff] ^ invKeySchedule[ksRow + 2];\n t3 = invSubMix0[s3 >>> 24] ^ invSubMix1[(s0 >> 16) & 0xff] ^ invSubMix2[(s1 >> 8) & 0xff] ^ invSubMix3[s2 & 0xff] ^ invKeySchedule[ksRow + 3];\n // Update state\n s0 = t0;\n s1 = t1;\n s2 = t2;\n s3 = t3;\n\n ksRow = ksRow + 4;\n }\n\n // Shift rows, sub bytes, add round key\n t0 = ((invSBOX[s0 >>> 24] << 24) ^ (invSBOX[(s1 >> 16) & 0xff] << 16) ^ (invSBOX[(s2 >> 8) & 0xff] << 8) ^ invSBOX[s3 & 0xff]) ^ invKeySchedule[ksRow];\n t1 = ((invSBOX[s1 >>> 24] << 24) ^ (invSBOX[(s2 >> 16) & 0xff] << 16) ^ (invSBOX[(s3 >> 8) & 0xff] << 8) ^ invSBOX[s0 & 0xff]) ^ invKeySchedule[ksRow + 1];\n t2 = ((invSBOX[s2 >>> 24] << 24) ^ (invSBOX[(s3 >> 16) & 0xff] << 16) ^ (invSBOX[(s0 >> 8) & 0xff] << 8) ^ invSBOX[s1 & 0xff]) ^ invKeySchedule[ksRow + 2];\n t3 = ((invSBOX[s3 >>> 24] << 24) ^ (invSBOX[(s0 >> 16) & 0xff] << 16) ^ (invSBOX[(s1 >> 8) & 0xff] << 8) ^ invSBOX[s2 & 0xff]) ^ invKeySchedule[ksRow + 3];\n ksRow = ksRow + 3;\n\n // Write\n outputInt32[offset] = swapWord(t0 ^ initVector0);\n outputInt32[offset + 1] = swapWord(t3 ^ initVector1);\n outputInt32[offset + 2] = swapWord(t2 ^ initVector2);\n outputInt32[offset + 3] = swapWord(t1 ^ initVector3);\n\n // reset initVector to last 4 unsigned int\n initVector0 = inputWords0;\n initVector1 = inputWords1;\n initVector2 = inputWords2;\n initVector3 = inputWords3;\n\n offset = offset + 4;\n }\n\n return removePKCS7Padding ? removePadding(outputInt32.buffer) : outputInt32.buffer;\n }\n\n destroy () {\n this.key = undefined;\n this.keySize = undefined;\n this.ksRows = undefined;\n\n this.sBox = undefined;\n this.invSBox = undefined;\n this.subMix = undefined;\n this.invSubMix = undefined;\n this.keySchedule = undefined;\n this.invKeySchedule = undefined;\n\n this.rcon = undefined;\n }\n}\n\nexport default AESDecryptor;\n","import AESCrypto from './aes-crypto';\nimport FastAESKey from './fast-aes-key';\nimport AESDecryptor from './aes-decryptor';\n\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\n\nimport Event from '../events';\n\nimport { getSelfScope } from '../utils/get-self-scope';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n\nclass Decrypter {\n constructor (observer, config, { removePKCS7Padding = true } = {}) {\n this.logEnabled = true;\n this.observer = observer;\n this.config = config;\n this.removePKCS7Padding = removePKCS7Padding;\n // built in decryptor expects PKCS7 padding\n if (removePKCS7Padding) {\n try {\n const browserCrypto = global.crypto;\n if (browserCrypto) {\n this.subtle = browserCrypto.subtle || browserCrypto.webkitSubtle;\n }\n } catch (e) {}\n }\n this.disableWebCrypto = !this.subtle;\n }\n\n isSync () {\n return (this.disableWebCrypto && this.config.enableSoftwareAES);\n }\n\n decrypt (data, key, iv, callback) {\n if (this.disableWebCrypto && this.config.enableSoftwareAES) {\n if (this.logEnabled) {\n logger.log('JS AES decrypt');\n this.logEnabled = false;\n }\n let decryptor = this.decryptor;\n if (!decryptor) {\n this.decryptor = decryptor = new AESDecryptor();\n }\n\n decryptor.expandKey(key);\n callback(decryptor.decrypt(data, 0, iv, this.removePKCS7Padding));\n } else {\n if (this.logEnabled) {\n logger.log('WebCrypto AES decrypt');\n this.logEnabled = false;\n }\n const subtle = this.subtle;\n if (this.key !== key) {\n this.key = key;\n this.fastAesKey = new FastAESKey(subtle, key);\n }\n\n this.fastAesKey.expandKey()\n .then((aesKey) => {\n // decrypt using web crypto\n let crypto = new AESCrypto(subtle, iv);\n crypto.decrypt(data, aesKey)\n .catch((err) => {\n this.onWebCryptoError(err, data, key, iv, callback);\n })\n .then((result) => {\n callback(result);\n });\n })\n .catch((err) => {\n this.onWebCryptoError(err, data, key, iv, callback);\n });\n }\n }\n\n onWebCryptoError (err, data, key, iv, callback) {\n if (this.config.enableSoftwareAES) {\n logger.log('WebCrypto Error, disable WebCrypto API');\n this.disableWebCrypto = true;\n this.logEnabled = true;\n this.decrypt(data, key, iv, callback);\n } else {\n logger.error(`decrypting error : ${err.message}`);\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_DECRYPT_ERROR, fatal: true, reason: err.message });\n }\n }\n\n destroy () {\n let decryptor = this.decryptor;\n if (decryptor) {\n decryptor.destroy();\n this.decryptor = undefined;\n }\n }\n}\n\nexport default Decrypter;\n","/**\n * ADTS parser helper\n * @link https://wiki.multimedia.cx/index.php?title=ADTS\n */\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\nimport Event from '../events';\n\nimport { getSelfScope } from '../utils/get-self-scope';\n\nexport function getAudioConfig (observer, data, offset, audioCodec) {\n let adtsObjectType, // :int\n adtsSampleingIndex, // :int\n adtsExtensionSampleingIndex, // :int\n adtsChanelConfig, // :int\n config,\n userAgent = navigator.userAgent.toLowerCase(),\n manifestCodec = audioCodec,\n adtsSampleingRates = [\n 96000, 88200,\n 64000, 48000,\n 44100, 32000,\n 24000, 22050,\n 16000, 12000,\n 11025, 8000,\n 7350];\n // byte 2\n adtsObjectType = ((data[offset + 2] & 0xC0) >>> 6) + 1;\n adtsSampleingIndex = ((data[offset + 2] & 0x3C) >>> 2);\n if (adtsSampleingIndex > adtsSampleingRates.length - 1) {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: true, reason: `invalid ADTS sampling index:${adtsSampleingIndex}` });\n return;\n }\n adtsChanelConfig = ((data[offset + 2] & 0x01) << 2);\n // byte 3\n adtsChanelConfig |= ((data[offset + 3] & 0xC0) >>> 6);\n logger.log(`manifest codec:${audioCodec},ADTS data:type:${adtsObjectType},sampleingIndex:${adtsSampleingIndex}[${adtsSampleingRates[adtsSampleingIndex]}Hz],channelConfig:${adtsChanelConfig}`);\n // firefox: freq less than 24kHz = AAC SBR (HE-AAC)\n if (/firefox/i.test(userAgent)) {\n if (adtsSampleingIndex >= 6) {\n adtsObjectType = 5;\n config = new Array(4);\n // HE-AAC uses SBR (Spectral Band Replication) , high frequencies are constructed from low frequencies\n // there is a factor 2 between frame sample rate and output sample rate\n // multiply frequency by 2 (see table below, equivalent to substract 3)\n adtsExtensionSampleingIndex = adtsSampleingIndex - 3;\n } else {\n adtsObjectType = 2;\n config = new Array(2);\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n }\n // Android : always use AAC\n } else if (userAgent.indexOf('android') !== -1) {\n adtsObjectType = 2;\n config = new Array(2);\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n } else {\n /* for other browsers (Chrome/Vivaldi/Opera ...)\n always force audio type to be HE-AAC SBR, as some browsers do not support audio codec switch properly (like Chrome ...)\n */\n adtsObjectType = 5;\n config = new Array(4);\n // if (manifest codec is HE-AAC or HE-AACv2) OR (manifest codec not specified AND frequency less than 24kHz)\n if ((audioCodec && ((audioCodec.indexOf('mp4a.40.29') !== -1) ||\n (audioCodec.indexOf('mp4a.40.5') !== -1))) ||\n (!audioCodec && adtsSampleingIndex >= 6)) {\n // HE-AAC uses SBR (Spectral Band Replication) , high frequencies are constructed from low frequencies\n // there is a factor 2 between frame sample rate and output sample rate\n // multiply frequency by 2 (see table below, equivalent to substract 3)\n adtsExtensionSampleingIndex = adtsSampleingIndex - 3;\n } else {\n // if (manifest codec is AAC) AND (frequency less than 24kHz AND nb channel is 1) OR (manifest codec not specified and mono audio)\n // Chrome fails to play back with low frequency AAC LC mono when initialized with HE-AAC. This is not a problem with stereo.\n if (audioCodec && audioCodec.indexOf('mp4a.40.2') !== -1 && ((adtsSampleingIndex >= 6 && adtsChanelConfig === 1) ||\n /vivaldi/i.test(userAgent)) ||\n (!audioCodec && adtsChanelConfig === 1)) {\n adtsObjectType = 2;\n config = new Array(2);\n }\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n }\n }\n /* refer to http://wiki.multimedia.cx/index.php?title=MPEG-4_Audio#Audio_Specific_Config\n ISO 14496-3 (AAC).pdf - Table 1.13 — Syntax of AudioSpecificConfig()\n Audio Profile / Audio Object Type\n 0: Null\n 1: AAC Main\n 2: AAC LC (Low Complexity)\n 3: AAC SSR (Scalable Sample Rate)\n 4: AAC LTP (Long Term Prediction)\n 5: SBR (Spectral Band Replication)\n 6: AAC Scalable\n sampling freq\n 0: 96000 Hz\n 1: 88200 Hz\n 2: 64000 Hz\n 3: 48000 Hz\n 4: 44100 Hz\n 5: 32000 Hz\n 6: 24000 Hz\n 7: 22050 Hz\n 8: 16000 Hz\n 9: 12000 Hz\n 10: 11025 Hz\n 11: 8000 Hz\n 12: 7350 Hz\n 13: Reserved\n 14: Reserved\n 15: frequency is written explictly\n Channel Configurations\n These are the channel configurations:\n 0: Defined in AOT Specifc Config\n 1: 1 channel: front-center\n 2: 2 channels: front-left, front-right\n */\n // audioObjectType = profile => profile, the MPEG-4 Audio Object Type minus 1\n config[0] = adtsObjectType << 3;\n // samplingFrequencyIndex\n config[0] |= (adtsSampleingIndex & 0x0E) >> 1;\n config[1] |= (adtsSampleingIndex & 0x01) << 7;\n // channelConfiguration\n config[1] |= adtsChanelConfig << 3;\n if (adtsObjectType === 5) {\n // adtsExtensionSampleingIndex\n config[1] |= (adtsExtensionSampleingIndex & 0x0E) >> 1;\n config[2] = (adtsExtensionSampleingIndex & 0x01) << 7;\n // adtsObjectType (force to 2, chrome is checking that object type is less than 5 ???\n // https://chromium.googlesource.com/chromium/src.git/+/master/media/formats/mp4/aac.cc\n config[2] |= 2 << 2;\n config[3] = 0;\n }\n return { config: config, samplerate: adtsSampleingRates[adtsSampleingIndex], channelCount: adtsChanelConfig, codec: ('mp4a.40.' + adtsObjectType), manifestCodec: manifestCodec };\n}\n\nexport function isHeaderPattern (data, offset) {\n return data[offset] === 0xff && (data[offset + 1] & 0xf6) === 0xf0;\n}\n\nexport function getHeaderLength (data, offset) {\n return (data[offset + 1] & 0x01 ? 7 : 9);\n}\n\nexport function getFullFrameLength (data, offset) {\n return ((data[offset + 3] & 0x03) << 11) |\n (data[offset + 4] << 3) |\n ((data[offset + 5] & 0xE0) >>> 5);\n}\n\nexport function isHeader (data, offset) {\n // Look for ADTS header | 1111 1111 | 1111 X00X | where X can be either 0 or 1\n // Layer bits (position 14 and 15) in header should be always 0 for ADTS\n // More info https://wiki.multimedia.cx/index.php?title=ADTS\n if (offset + 1 < data.length && isHeaderPattern(data, offset)) {\n return true;\n }\n\n return false;\n}\n\nexport function probe (data, offset) {\n // same as isHeader but we also check that ADTS frame follows last ADTS frame\n // or end of data is reached\n if (isHeader(data, offset)) {\n // ADTS header Length\n let headerLength = getHeaderLength(data, offset);\n // ADTS frame Length\n let frameLength = headerLength;\n if (offset + 5 < data.length) {\n frameLength = getFullFrameLength(data, offset);\n }\n\n let newOffset = offset + frameLength;\n if (newOffset === data.length || (newOffset + 1 < data.length && isHeaderPattern(data, newOffset))) {\n return true;\n }\n }\n return false;\n}\n\nexport function initTrackConfig (track, observer, data, offset, audioCodec) {\n if (!track.samplerate) {\n let config = getAudioConfig(observer, data, offset, audioCodec);\n track.config = config.config;\n track.samplerate = config.samplerate;\n track.channelCount = config.channelCount;\n track.codec = config.codec;\n track.manifestCodec = config.manifestCodec;\n logger.log(`parsed codec:${track.codec},rate:${config.samplerate},nb channel:${config.channelCount}`);\n }\n}\n\nexport function getFrameDuration (samplerate) {\n return 1024 * 90000 / samplerate;\n}\n\nexport function parseFrameHeader (data, offset, pts, frameIndex, frameDuration) {\n let headerLength, frameLength, stamp;\n let length = data.length;\n\n // The protection skip bit tells us if we have 2 bytes of CRC data at the end of the ADTS header\n headerLength = getHeaderLength(data, offset);\n // retrieve frame size\n frameLength = getFullFrameLength(data, offset);\n frameLength -= headerLength;\n\n if ((frameLength > 0) && ((offset + headerLength + frameLength) <= length)) {\n stamp = pts + frameIndex * frameDuration;\n // logger.log(`AAC frame, offset/length/total/pts:${offset+headerLength}/${frameLength}/${data.byteLength}/${(stamp/90).toFixed(0)}`);\n return { headerLength, frameLength, stamp };\n }\n\n return undefined;\n}\n\nexport function appendFrame (track, data, offset, pts, frameIndex) {\n let frameDuration = getFrameDuration(track.samplerate);\n let header = parseFrameHeader(data, offset, pts, frameIndex, frameDuration);\n if (header) {\n let stamp = header.stamp;\n let headerLength = header.headerLength;\n let frameLength = header.frameLength;\n\n // logger.log(`AAC frame, offset/length/total/pts:${offset+headerLength}/${frameLength}/${data.byteLength}/${(stamp/90).toFixed(0)}`);\n let aacSample = {\n unit: data.subarray(offset + headerLength, offset + headerLength + frameLength),\n pts: stamp,\n dts: stamp\n };\n\n track.samples.push(aacSample);\n return { sample: aacSample, length: frameLength + headerLength };\n }\n\n return undefined;\n}\n","/**\n * AAC demuxer\n */\nimport * as ADTS from './adts';\nimport { logger } from '../utils/logger';\nimport ID3 from '../demux/id3';\n\nclass AACDemuxer {\n constructor (observer, remuxer, config) {\n this.observer = observer;\n this.config = config;\n this.remuxer = remuxer;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this._audioTrack = { container: 'audio/adts', type: 'audio', id: 0, sequenceNumber: 0, isAAC: true, samples: [], len: 0, manifestCodec: audioCodec, duration: duration, inputTimeScale: 90000 };\n }\n\n resetTimeStamp () {\n }\n\n static probe (data) {\n if (!data) {\n return false;\n }\n\n // Check for the ADTS sync word\n // Look for ADTS header | 1111 1111 | 1111 X00X | where X can be either 0 or 1\n // Layer bits (position 14 and 15) in header should be always 0 for ADTS\n // More info https://wiki.multimedia.cx/index.php?title=ADTS\n const id3Data = ID3.getID3Data(data, 0) || [];\n let offset = id3Data.length;\n\n for (let length = data.length; offset < length; offset++) {\n if (ADTS.probe(data, offset)) {\n logger.log('ADTS sync word found !');\n return true;\n }\n }\n return false;\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let track = this._audioTrack;\n let id3Data = ID3.getID3Data(data, 0) || [];\n let timestamp = ID3.getTimeStamp(id3Data);\n let pts = Number.isFinite(timestamp) ? timestamp * 90 : timeOffset * 90000;\n let frameIndex = 0;\n let stamp = pts;\n let length = data.length;\n let offset = id3Data.length;\n\n let id3Samples = [{ pts: stamp, dts: stamp, data: id3Data }];\n\n while (offset < length - 1) {\n if (ADTS.isHeader(data, offset) && (offset + 5) < length) {\n ADTS.initTrackConfig(track, this.observer, data, offset, track.manifestCodec);\n let frame = ADTS.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n } else {\n logger.log('Unable to parse AAC frame');\n break;\n }\n } else if (ID3.isHeader(data, offset)) {\n id3Data = ID3.getID3Data(data, offset);\n id3Samples.push({ pts: stamp, dts: stamp, data: id3Data });\n offset += id3Data.length;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n this.remuxer.remux(track,\n { samples: [] },\n { samples: id3Samples, inputTimeScale: 90000 },\n { samples: [] },\n timeOffset,\n contiguous,\n accurateTimeOffset);\n }\n\n destroy () {\n }\n}\n\nexport default AACDemuxer;\n","/**\n * MPEG parser helper\n */\n\nconst MpegAudio = {\n\n BitratesMap: [\n 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448,\n 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384,\n 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320,\n 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256,\n 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160],\n\n SamplingRateMap: [44100, 48000, 32000, 22050, 24000, 16000, 11025, 12000, 8000],\n\n SamplesCoefficients: [\n // MPEG 2.5\n [\n 0, // Reserved\n 72, // Layer3\n 144, // Layer2\n 12 // Layer1\n ],\n // Reserved\n [\n 0, // Reserved\n 0, // Layer3\n 0, // Layer2\n 0 // Layer1\n ],\n // MPEG 2\n [\n 0, // Reserved\n 72, // Layer3\n 144, // Layer2\n 12 // Layer1\n ],\n // MPEG 1\n [\n 0, // Reserved\n 144, // Layer3\n 144, // Layer2\n 12 // Layer1\n ]\n ],\n\n BytesInSlot: [\n 0, // Reserved\n 1, // Layer3\n 1, // Layer2\n 4 // Layer1\n ],\n\n appendFrame: function (track, data, offset, pts, frameIndex) {\n // Using http://www.datavoyage.com/mpgscript/mpeghdr.htm as a reference\n if (offset + 24 > data.length) {\n return undefined;\n }\n\n let header = this.parseHeader(data, offset);\n if (header && offset + header.frameLength <= data.length) {\n let frameDuration = header.samplesPerFrame * 90000 / header.sampleRate;\n let stamp = pts + frameIndex * frameDuration;\n let sample = { unit: data.subarray(offset, offset + header.frameLength), pts: stamp, dts: stamp };\n\n track.config = [];\n track.channelCount = header.channelCount;\n track.samplerate = header.sampleRate;\n track.samples.push(sample);\n\n return { sample, length: header.frameLength };\n }\n\n return undefined;\n },\n\n parseHeader: function (data, offset) {\n let headerB = (data[offset + 1] >> 3) & 3;\n let headerC = (data[offset + 1] >> 1) & 3;\n let headerE = (data[offset + 2] >> 4) & 15;\n let headerF = (data[offset + 2] >> 2) & 3;\n let headerG = (data[offset + 2] >> 1) & 1;\n if (headerB !== 1 && headerE !== 0 && headerE !== 15 && headerF !== 3) {\n let columnInBitrates = headerB === 3 ? (3 - headerC) : (headerC === 3 ? 3 : 4);\n let bitRate = MpegAudio.BitratesMap[columnInBitrates * 14 + headerE - 1] * 1000;\n let columnInSampleRates = headerB === 3 ? 0 : headerB === 2 ? 1 : 2;\n let sampleRate = MpegAudio.SamplingRateMap[columnInSampleRates * 3 + headerF];\n let channelCount = data[offset + 3] >> 6 === 3 ? 1 : 2; // If bits of channel mode are `11` then it is a single channel (Mono)\n let sampleCoefficient = MpegAudio.SamplesCoefficients[headerB][headerC];\n let bytesInSlot = MpegAudio.BytesInSlot[headerC];\n let samplesPerFrame = sampleCoefficient * 8 * bytesInSlot;\n let frameLength = parseInt(sampleCoefficient * bitRate / sampleRate + headerG, 10) * bytesInSlot;\n\n return { sampleRate, channelCount, frameLength, samplesPerFrame };\n }\n\n return undefined;\n },\n\n isHeaderPattern: function (data, offset) {\n return data[offset] === 0xff && (data[offset + 1] & 0xe0) === 0xe0 && (data[offset + 1] & 0x06) !== 0x00;\n },\n\n isHeader: function (data, offset) {\n // Look for MPEG header | 1111 1111 | 111X XYZX | where X can be either 0 or 1 and Y or Z should be 1\n // Layer bits (position 14 and 15) in header should be always different from 0 (Layer I or Layer II or Layer III)\n // More info http://www.mp3-tech.org/programmer/frame_header.html\n if (offset + 1 < data.length && this.isHeaderPattern(data, offset)) {\n return true;\n }\n\n return false;\n },\n\n probe: function (data, offset) {\n // same as isHeader but we also check that MPEG frame follows last MPEG frame\n // or end of data is reached\n if (offset + 1 < data.length && this.isHeaderPattern(data, offset)) {\n // MPEG header Length\n let headerLength = 4;\n // MPEG frame Length\n let header = this.parseHeader(data, offset);\n let frameLength = headerLength;\n if (header && header.frameLength) {\n frameLength = header.frameLength;\n }\n\n let newOffset = offset + frameLength;\n if (newOffset === data.length || (newOffset + 1 < data.length && this.isHeaderPattern(data, newOffset))) {\n return true;\n }\n }\n return false;\n }\n};\n\nexport default MpegAudio;\n","/**\n * Parser for exponential Golomb codes, a variable-bitwidth number encoding scheme used by h264.\n*/\n\nimport { logger } from '../utils/logger';\n\nclass ExpGolomb {\n constructor (data) {\n this.data = data;\n // the number of bytes left to examine in this.data\n this.bytesAvailable = data.byteLength;\n // the current word being examined\n this.word = 0; // :uint\n // the number of bits left to examine in the current word\n this.bitsAvailable = 0; // :uint\n }\n\n // ():void\n loadWord () {\n let\n data = this.data,\n bytesAvailable = this.bytesAvailable,\n position = data.byteLength - bytesAvailable,\n workingBytes = new Uint8Array(4),\n availableBytes = Math.min(4, bytesAvailable);\n if (availableBytes === 0) {\n throw new Error('no bytes available');\n }\n\n workingBytes.set(data.subarray(position, position + availableBytes));\n this.word = new DataView(workingBytes.buffer).getUint32(0);\n // track the amount of this.data that has been processed\n this.bitsAvailable = availableBytes * 8;\n this.bytesAvailable -= availableBytes;\n }\n\n // (count:int):void\n skipBits (count) {\n let skipBytes; // :int\n if (this.bitsAvailable > count) {\n this.word <<= count;\n this.bitsAvailable -= count;\n } else {\n count -= this.bitsAvailable;\n skipBytes = count >> 3;\n count -= (skipBytes >> 3);\n this.bytesAvailable -= skipBytes;\n this.loadWord();\n this.word <<= count;\n this.bitsAvailable -= count;\n }\n }\n\n // (size:int):uint\n readBits (size) {\n let\n bits = Math.min(this.bitsAvailable, size), // :uint\n valu = this.word >>> (32 - bits); // :uint\n if (size > 32) {\n logger.error('Cannot read more than 32 bits at a time');\n }\n\n this.bitsAvailable -= bits;\n if (this.bitsAvailable > 0) {\n this.word <<= bits;\n } else if (this.bytesAvailable > 0) {\n this.loadWord();\n }\n\n bits = size - bits;\n if (bits > 0 && this.bitsAvailable) {\n return valu << bits | this.readBits(bits);\n } else {\n return valu;\n }\n }\n\n // ():uint\n skipLZ () {\n let leadingZeroCount; // :uint\n for (leadingZeroCount = 0; leadingZeroCount < this.bitsAvailable; ++leadingZeroCount) {\n if ((this.word & (0x80000000 >>> leadingZeroCount)) !== 0) {\n // the first bit of working word is 1\n this.word <<= leadingZeroCount;\n this.bitsAvailable -= leadingZeroCount;\n return leadingZeroCount;\n }\n }\n // we exhausted word and still have not found a 1\n this.loadWord();\n return leadingZeroCount + this.skipLZ();\n }\n\n // ():void\n skipUEG () {\n this.skipBits(1 + this.skipLZ());\n }\n\n // ():void\n skipEG () {\n this.skipBits(1 + this.skipLZ());\n }\n\n // ():uint\n readUEG () {\n let clz = this.skipLZ(); // :uint\n return this.readBits(clz + 1) - 1;\n }\n\n // ():int\n readEG () {\n let valu = this.readUEG(); // :int\n if (0x01 & valu) {\n // the number is odd if the low order bit is set\n return (1 + valu) >>> 1; // add 1 to make it even, and divide by 2\n } else {\n return -1 * (valu >>> 1); // divide by two then make it negative\n }\n }\n\n // Some convenience functions\n // :Boolean\n readBoolean () {\n return this.readBits(1) === 1;\n }\n\n // ():int\n readUByte () {\n return this.readBits(8);\n }\n\n // ():int\n readUShort () {\n return this.readBits(16);\n }\n // ():int\n readUInt () {\n return this.readBits(32);\n }\n\n /**\n * Advance the ExpGolomb decoder past a scaling list. The scaling\n * list is optionally transmitted as part of a sequence parameter\n * set and is not relevant to transmuxing.\n * @param count {number} the number of entries in this scaling list\n * @see Recommendation ITU-T H.264, Section 7.3.2.1.1.1\n */\n skipScalingList (count) {\n let\n lastScale = 8,\n nextScale = 8,\n j,\n deltaScale;\n for (j = 0; j < count; j++) {\n if (nextScale !== 0) {\n deltaScale = this.readEG();\n nextScale = (lastScale + deltaScale + 256) % 256;\n }\n lastScale = (nextScale === 0) ? lastScale : nextScale;\n }\n }\n\n /**\n * Read a sequence parameter set and return some interesting video\n * properties. A sequence parameter set is the H264 metadata that\n * describes the properties of upcoming video frames.\n * @param data {Uint8Array} the bytes of a sequence parameter set\n * @return {object} an object with configuration parsed from the\n * sequence parameter set, including the dimensions of the\n * associated video frames.\n */\n readSPS () {\n let\n frameCropLeftOffset = 0,\n frameCropRightOffset = 0,\n frameCropTopOffset = 0,\n frameCropBottomOffset = 0,\n profileIdc, profileCompat, levelIdc,\n numRefFramesInPicOrderCntCycle, picWidthInMbsMinus1,\n picHeightInMapUnitsMinus1,\n frameMbsOnlyFlag,\n scalingListCount,\n i,\n readUByte = this.readUByte.bind(this),\n readBits = this.readBits.bind(this),\n readUEG = this.readUEG.bind(this),\n readBoolean = this.readBoolean.bind(this),\n skipBits = this.skipBits.bind(this),\n skipEG = this.skipEG.bind(this),\n skipUEG = this.skipUEG.bind(this),\n skipScalingList = this.skipScalingList.bind(this);\n\n readUByte();\n profileIdc = readUByte(); // profile_idc\n profileCompat = readBits(5); // constraint_set[0-4]_flag, u(5)\n skipBits(3); // reserved_zero_3bits u(3),\n levelIdc = readUByte(); // level_idc u(8)\n skipUEG(); // seq_parameter_set_id\n // some profiles have more optional data we don't need\n if (profileIdc === 100 ||\n profileIdc === 110 ||\n profileIdc === 122 ||\n profileIdc === 244 ||\n profileIdc === 44 ||\n profileIdc === 83 ||\n profileIdc === 86 ||\n profileIdc === 118 ||\n profileIdc === 128) {\n let chromaFormatIdc = readUEG();\n if (chromaFormatIdc === 3) {\n skipBits(1);\n } // separate_colour_plane_flag\n\n skipUEG(); // bit_depth_luma_minus8\n skipUEG(); // bit_depth_chroma_minus8\n skipBits(1); // qpprime_y_zero_transform_bypass_flag\n if (readBoolean()) { // seq_scaling_matrix_present_flag\n scalingListCount = (chromaFormatIdc !== 3) ? 8 : 12;\n for (i = 0; i < scalingListCount; i++) {\n if (readBoolean()) { // seq_scaling_list_present_flag[ i ]\n if (i < 6) {\n skipScalingList(16);\n } else {\n skipScalingList(64);\n }\n }\n }\n }\n }\n skipUEG(); // log2_max_frame_num_minus4\n let picOrderCntType = readUEG();\n if (picOrderCntType === 0) {\n readUEG(); // log2_max_pic_order_cnt_lsb_minus4\n } else if (picOrderCntType === 1) {\n skipBits(1); // delta_pic_order_always_zero_flag\n skipEG(); // offset_for_non_ref_pic\n skipEG(); // offset_for_top_to_bottom_field\n numRefFramesInPicOrderCntCycle = readUEG();\n for (i = 0; i < numRefFramesInPicOrderCntCycle; i++) {\n skipEG();\n } // offset_for_ref_frame[ i ]\n }\n skipUEG(); // max_num_ref_frames\n skipBits(1); // gaps_in_frame_num_value_allowed_flag\n picWidthInMbsMinus1 = readUEG();\n picHeightInMapUnitsMinus1 = readUEG();\n frameMbsOnlyFlag = readBits(1);\n if (frameMbsOnlyFlag === 0) {\n skipBits(1);\n } // mb_adaptive_frame_field_flag\n\n skipBits(1); // direct_8x8_inference_flag\n if (readBoolean()) { // frame_cropping_flag\n frameCropLeftOffset = readUEG();\n frameCropRightOffset = readUEG();\n frameCropTopOffset = readUEG();\n frameCropBottomOffset = readUEG();\n }\n let pixelRatio = [1, 1];\n if (readBoolean()) {\n // vui_parameters_present_flag\n if (readBoolean()) {\n // aspect_ratio_info_present_flag\n const aspectRatioIdc = readUByte();\n switch (aspectRatioIdc) {\n case 1: pixelRatio = [1, 1]; break;\n case 2: pixelRatio = [12, 11]; break;\n case 3: pixelRatio = [10, 11]; break;\n case 4: pixelRatio = [16, 11]; break;\n case 5: pixelRatio = [40, 33]; break;\n case 6: pixelRatio = [24, 11]; break;\n case 7: pixelRatio = [20, 11]; break;\n case 8: pixelRatio = [32, 11]; break;\n case 9: pixelRatio = [80, 33]; break;\n case 10: pixelRatio = [18, 11]; break;\n case 11: pixelRatio = [15, 11]; break;\n case 12: pixelRatio = [64, 33]; break;\n case 13: pixelRatio = [160, 99]; break;\n case 14: pixelRatio = [4, 3]; break;\n case 15: pixelRatio = [3, 2]; break;\n case 16: pixelRatio = [2, 1]; break;\n case 255: {\n pixelRatio = [readUByte() << 8 | readUByte(), readUByte() << 8 | readUByte()];\n break;\n }\n }\n }\n }\n return {\n width: Math.ceil((((picWidthInMbsMinus1 + 1) * 16) - frameCropLeftOffset * 2 - frameCropRightOffset * 2)),\n height: ((2 - frameMbsOnlyFlag) * (picHeightInMapUnitsMinus1 + 1) * 16) - ((frameMbsOnlyFlag ? 2 : 4) * (frameCropTopOffset + frameCropBottomOffset)),\n pixelRatio: pixelRatio\n };\n }\n\n readSliceType () {\n // skip NALu type\n this.readUByte();\n // discard first_mb_in_slice\n this.readUEG();\n // return slice_type\n return this.readUEG();\n }\n}\n\nexport default ExpGolomb;\n","/**\n * SAMPLE-AES decrypter\n*/\n\nimport Decrypter from '../crypt/decrypter';\n\nclass SampleAesDecrypter {\n constructor (observer, config, decryptdata, discardEPB) {\n this.decryptdata = decryptdata;\n this.discardEPB = discardEPB;\n this.decrypter = new Decrypter(observer, config, { removePKCS7Padding: false });\n }\n\n decryptBuffer (encryptedData, callback) {\n this.decrypter.decrypt(encryptedData, this.decryptdata.key.buffer, this.decryptdata.iv.buffer, callback);\n }\n\n // AAC - encrypt all full 16 bytes blocks starting from offset 16\n decryptAacSample (samples, sampleIndex, callback, sync) {\n let curUnit = samples[sampleIndex].unit;\n let encryptedData = curUnit.subarray(16, curUnit.length - curUnit.length % 16);\n let encryptedBuffer = encryptedData.buffer.slice(\n encryptedData.byteOffset,\n encryptedData.byteOffset + encryptedData.length);\n\n let localthis = this;\n this.decryptBuffer(encryptedBuffer, function (decryptedData) {\n decryptedData = new Uint8Array(decryptedData);\n curUnit.set(decryptedData, 16);\n\n if (!sync) {\n localthis.decryptAacSamples(samples, sampleIndex + 1, callback);\n }\n });\n }\n\n decryptAacSamples (samples, sampleIndex, callback) {\n for (;; sampleIndex++) {\n if (sampleIndex >= samples.length) {\n callback();\n return;\n }\n\n if (samples[sampleIndex].unit.length < 32) {\n continue;\n }\n\n let sync = this.decrypter.isSync();\n\n this.decryptAacSample(samples, sampleIndex, callback, sync);\n\n if (!sync) {\n return;\n }\n }\n }\n\n // AVC - encrypt one 16 bytes block out of ten, starting from offset 32\n getAvcEncryptedData (decodedData) {\n let encryptedDataLen = Math.floor((decodedData.length - 48) / 160) * 16 + 16;\n let encryptedData = new Int8Array(encryptedDataLen);\n let outputPos = 0;\n for (let inputPos = 32; inputPos <= decodedData.length - 16; inputPos += 160, outputPos += 16) {\n encryptedData.set(decodedData.subarray(inputPos, inputPos + 16), outputPos);\n }\n\n return encryptedData;\n }\n\n getAvcDecryptedUnit (decodedData, decryptedData) {\n decryptedData = new Uint8Array(decryptedData);\n let inputPos = 0;\n for (let outputPos = 32; outputPos <= decodedData.length - 16; outputPos += 160, inputPos += 16) {\n decodedData.set(decryptedData.subarray(inputPos, inputPos + 16), outputPos);\n }\n\n return decodedData;\n }\n\n decryptAvcSample (samples, sampleIndex, unitIndex, callback, curUnit, sync) {\n let decodedData = this.discardEPB(curUnit.data);\n let encryptedData = this.getAvcEncryptedData(decodedData);\n let localthis = this;\n\n this.decryptBuffer(encryptedData.buffer, function (decryptedData) {\n curUnit.data = localthis.getAvcDecryptedUnit(decodedData, decryptedData);\n\n if (!sync) {\n localthis.decryptAvcSamples(samples, sampleIndex, unitIndex + 1, callback);\n }\n });\n }\n\n decryptAvcSamples (samples, sampleIndex, unitIndex, callback) {\n for (;; sampleIndex++, unitIndex = 0) {\n if (sampleIndex >= samples.length) {\n callback();\n return;\n }\n\n let curUnits = samples[sampleIndex].units;\n for (;; unitIndex++) {\n if (unitIndex >= curUnits.length) {\n break;\n }\n\n let curUnit = curUnits[unitIndex];\n if (curUnit.length <= 48 || (curUnit.type !== 1 && curUnit.type !== 5)) {\n continue;\n }\n\n let sync = this.decrypter.isSync();\n\n this.decryptAvcSample(samples, sampleIndex, unitIndex, callback, curUnit, sync);\n\n if (!sync) {\n return;\n }\n }\n }\n }\n}\n\nexport default SampleAesDecrypter;\n","/**\n * highly optimized TS demuxer:\n * parse PAT, PMT\n * extract PES packet from audio and video PIDs\n * extract AVC/H264 NAL units and AAC/ADTS samples from PES packet\n * trigger the remuxer upon parsing completion\n * it also tries to workaround as best as it can audio codec switch (HE-AAC to AAC and vice versa), without having to restart the MediaSource.\n * it also controls the remuxing process :\n * upon discontinuity or level switch detection, it will also notifies the remuxer so that it can reset its state.\n*/\n\nimport * as ADTS from './adts';\nimport MpegAudio from './mpegaudio';\nimport Event from '../events';\nimport ExpGolomb from './exp-golomb';\nimport SampleAesDecrypter from './sample-aes';\n// import Hex from '../utils/hex';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { utf8ArrayToStr } from './id3';\n\n// We are using fixed track IDs for driving the MP4 remuxer\n// instead of following the TS PIDs.\n// There is no reason not to do this and some browsers/SourceBuffer-demuxers\n// may not like if there are TrackID \"switches\"\n// See https://github.com/video-dev/hls.js/issues/1331\n// Here we are mapping our internal track types to constant MP4 track IDs\n// With MSE currently one can only have one track of each, and we are muxing\n// whatever video/audio rendition in them.\nconst RemuxerTrackIdConfig = {\n video: 1,\n audio: 2,\n id3: 3,\n text: 4\n};\n\nclass TSDemuxer {\n constructor (observer, remuxer, config, typeSupported) {\n this.observer = observer;\n this.config = config;\n this.typeSupported = typeSupported;\n this.remuxer = remuxer;\n this.sampleAes = null;\n }\n\n setDecryptData (decryptdata) {\n if ((decryptdata != null) && (decryptdata.key != null) && (decryptdata.method === 'SAMPLE-AES')) {\n this.sampleAes = new SampleAesDecrypter(this.observer, this.config, decryptdata, this.discardEPB);\n } else {\n this.sampleAes = null;\n }\n }\n\n static probe (data) {\n const syncOffset = TSDemuxer._syncOffset(data);\n if (syncOffset < 0) {\n return false;\n } else {\n if (syncOffset) {\n logger.warn(`MPEG2-TS detected but first sync word found @ offset ${syncOffset}, junk ahead ?`);\n }\n\n return true;\n }\n }\n\n static _syncOffset (data) {\n // scan 1000 first bytes\n const scanwindow = Math.min(1000, data.length - 3 * 188);\n let i = 0;\n while (i < scanwindow) {\n // a TS fragment should contain at least 3 TS packets, a PAT, a PMT, and one PID, each starting with 0x47\n if (data[i] === 0x47 && data[i + 188] === 0x47 && data[i + 2 * 188] === 0x47) {\n return i;\n } else {\n i++;\n }\n }\n return -1;\n }\n\n /**\n * Creates a track model internal to demuxer used to drive remuxing input\n *\n * @param {string} type 'audio' | 'video' | 'id3' | 'text'\n * @param {number} duration\n * @return {object} TSDemuxer's internal track model\n */\n static createTrack (type, duration) {\n return {\n container: type === 'video' || type === 'audio' ? 'video/mp2t' : undefined,\n type,\n id: RemuxerTrackIdConfig[type],\n pid: -1,\n inputTimeScale: 90000,\n sequenceNumber: 0,\n samples: [],\n dropped: type === 'video' ? 0 : undefined,\n isAAC: type === 'audio' ? true : undefined,\n duration: type === 'audio' ? duration : undefined\n };\n }\n\n /**\n * Initializes a new init segment on the demuxer/remuxer interface. Needed for discontinuities/track-switches (or at stream start)\n * Resets all internal track instances of the demuxer.\n *\n * @override Implements generic demuxing/remuxing interface (see DemuxerInline)\n * @param {object} initSegment\n * @param {string} audioCodec\n * @param {string} videoCodec\n * @param {number} duration (in TS timescale = 90kHz)\n */\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this.pmtParsed = false;\n this._pmtId = -1;\n\n this._avcTrack = TSDemuxer.createTrack('video', duration);\n this._audioTrack = TSDemuxer.createTrack('audio', duration);\n this._id3Track = TSDemuxer.createTrack('id3', duration);\n this._txtTrack = TSDemuxer.createTrack('text', duration);\n\n // flush any partial content\n this.aacOverFlow = null;\n this.aacLastPTS = null;\n this.avcSample = null;\n this.audioCodec = audioCodec;\n this.videoCodec = videoCodec;\n this._duration = duration;\n }\n\n /**\n *\n * @override\n */\n resetTimeStamp () {}\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let start, len = data.length, stt, pid, atf, offset, pes,\n unknownPIDs = false;\n this.contiguous = contiguous;\n let pmtParsed = this.pmtParsed,\n avcTrack = this._avcTrack,\n audioTrack = this._audioTrack,\n id3Track = this._id3Track,\n avcId = avcTrack.pid,\n audioId = audioTrack.pid,\n id3Id = id3Track.pid,\n pmtId = this._pmtId,\n avcData = avcTrack.pesData,\n audioData = audioTrack.pesData,\n id3Data = id3Track.pesData,\n parsePAT = this._parsePAT,\n parsePMT = this._parsePMT,\n parsePES = this._parsePES,\n parseAVCPES = this._parseAVCPES.bind(this),\n parseAACPES = this._parseAACPES.bind(this),\n parseMPEGPES = this._parseMPEGPES.bind(this),\n parseID3PES = this._parseID3PES.bind(this);\n\n const syncOffset = TSDemuxer._syncOffset(data);\n\n // don't parse last TS packet if incomplete\n len -= (len + syncOffset) % 188;\n\n // loop through TS packets\n for (start = syncOffset; start < len; start += 188) {\n if (data[start] === 0x47) {\n stt = !!(data[start + 1] & 0x40);\n // pid is a 13-bit field starting at the last bit of TS[1]\n pid = ((data[start + 1] & 0x1f) << 8) + data[start + 2];\n atf = (data[start + 3] & 0x30) >> 4;\n // if an adaption field is present, its length is specified by the fifth byte of the TS packet header.\n if (atf > 1) {\n offset = start + 5 + data[start + 4];\n // continue if there is only adaptation field\n if (offset === (start + 188)) {\n continue;\n }\n } else {\n offset = start + 4;\n }\n switch (pid) {\n case avcId:\n if (stt) {\n if (avcData && (pes = parsePES(avcData))) {\n parseAVCPES(pes, false);\n }\n\n avcData = { data: [], size: 0 };\n }\n if (avcData) {\n avcData.data.push(data.subarray(offset, start + 188));\n avcData.size += start + 188 - offset;\n }\n break;\n case audioId:\n if (stt) {\n if (audioData && (pes = parsePES(audioData))) {\n if (audioTrack.isAAC) {\n parseAACPES(pes);\n } else {\n parseMPEGPES(pes);\n }\n }\n audioData = { data: [], size: 0 };\n }\n if (audioData) {\n audioData.data.push(data.subarray(offset, start + 188));\n audioData.size += start + 188 - offset;\n }\n break;\n case id3Id:\n if (stt) {\n if (id3Data && (pes = parsePES(id3Data))) {\n parseID3PES(pes);\n }\n\n id3Data = { data: [], size: 0 };\n }\n if (id3Data) {\n id3Data.data.push(data.subarray(offset, start + 188));\n id3Data.size += start + 188 - offset;\n }\n break;\n case 0:\n if (stt) {\n offset += data[offset] + 1;\n }\n\n pmtId = this._pmtId = parsePAT(data, offset);\n break;\n case pmtId:\n if (stt) {\n offset += data[offset] + 1;\n }\n\n let parsedPIDs = parsePMT(data, offset, this.typeSupported.mpeg === true || this.typeSupported.mp3 === true, this.sampleAes != null);\n\n // only update track id if track PID found while parsing PMT\n // this is to avoid resetting the PID to -1 in case\n // track PID transiently disappears from the stream\n // this could happen in case of transient missing audio samples for example\n // NOTE this is only the PID of the track as found in TS,\n // but we are not using this for MP4 track IDs.\n avcId = parsedPIDs.avc;\n if (avcId > 0) {\n avcTrack.pid = avcId;\n }\n\n audioId = parsedPIDs.audio;\n if (audioId > 0) {\n audioTrack.pid = audioId;\n audioTrack.isAAC = parsedPIDs.isAAC;\n }\n id3Id = parsedPIDs.id3;\n if (id3Id > 0) {\n id3Track.pid = id3Id;\n }\n\n if (unknownPIDs && !pmtParsed) {\n logger.log('reparse from beginning');\n unknownPIDs = false;\n // we set it to -188, the += 188 in the for loop will reset start to 0\n start = syncOffset - 188;\n }\n pmtParsed = this.pmtParsed = true;\n break;\n case 17:\n case 0x1fff:\n break;\n default:\n unknownPIDs = true;\n break;\n }\n } else {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: false, reason: 'TS packet did not start with 0x47' });\n }\n }\n // try to parse last PES packets\n if (avcData && (pes = parsePES(avcData))) {\n parseAVCPES(pes, true);\n avcTrack.pesData = null;\n } else {\n // either avcData null or PES truncated, keep it for next frag parsing\n avcTrack.pesData = avcData;\n }\n\n if (audioData && (pes = parsePES(audioData))) {\n if (audioTrack.isAAC) {\n parseAACPES(pes);\n } else {\n parseMPEGPES(pes);\n }\n\n audioTrack.pesData = null;\n } else {\n if (audioData && audioData.size) {\n logger.log('last AAC PES packet truncated,might overlap between fragments');\n }\n\n // either audioData null or PES truncated, keep it for next frag parsing\n audioTrack.pesData = audioData;\n }\n\n if (id3Data && (pes = parsePES(id3Data))) {\n parseID3PES(pes);\n id3Track.pesData = null;\n } else {\n // either id3Data null or PES truncated, keep it for next frag parsing\n id3Track.pesData = id3Data;\n }\n\n if (this.sampleAes == null) {\n this.remuxer.remux(audioTrack, avcTrack, id3Track, this._txtTrack, timeOffset, contiguous, accurateTimeOffset);\n } else {\n this.decryptAndRemux(audioTrack, avcTrack, id3Track, this._txtTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n decryptAndRemux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n if (audioTrack.samples && audioTrack.isAAC) {\n let localthis = this;\n this.sampleAes.decryptAacSamples(audioTrack.samples, 0, function () {\n localthis.decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n });\n } else {\n this.decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n decryptAndRemuxAvc (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n if (videoTrack.samples) {\n let localthis = this;\n this.sampleAes.decryptAvcSamples(videoTrack.samples, 0, 0, function () {\n localthis.remuxer.remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n });\n } else {\n this.remuxer.remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n destroy () {\n this._initPTS = this._initDTS = undefined;\n this._duration = 0;\n }\n\n _parsePAT (data, offset) {\n // skip the PSI header and parse the first PMT entry\n return (data[offset + 10] & 0x1F) << 8 | data[offset + 11];\n // logger.log('PMT PID:' + this._pmtId);\n }\n\n _parsePMT (data, offset, mpegSupported, isSampleAes) {\n let sectionLength, tableEnd, programInfoLength, pid, result = { audio: -1, avc: -1, id3: -1, isAAC: true };\n sectionLength = (data[offset + 1] & 0x0f) << 8 | data[offset + 2];\n tableEnd = offset + 3 + sectionLength - 4;\n // to determine where the table is, we have to figure out how\n // long the program info descriptors are\n programInfoLength = (data[offset + 10] & 0x0f) << 8 | data[offset + 11];\n // advance the offset to the first entry in the mapping table\n offset += 12 + programInfoLength;\n while (offset < tableEnd) {\n pid = (data[offset + 1] & 0x1F) << 8 | data[offset + 2];\n switch (data[offset]) {\n case 0xcf: // SAMPLE-AES AAC\n if (!isSampleAes) {\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n /* falls through */\n\n // ISO/IEC 13818-7 ADTS AAC (MPEG-2 lower bit-rate audio)\n case 0x0f:\n // logger.log('AAC PID:' + pid);\n if (result.audio === -1) {\n result.audio = pid;\n }\n\n break;\n\n // Packetized metadata (ID3)\n case 0x15:\n // logger.log('ID3 PID:' + pid);\n if (result.id3 === -1) {\n result.id3 = pid;\n }\n\n break;\n\n case 0xdb: // SAMPLE-AES AVC\n if (!isSampleAes) {\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n /* falls through */\n\n // ITU-T Rec. H.264 and ISO/IEC 14496-10 (lower bit-rate video)\n case 0x1b:\n // logger.log('AVC PID:' + pid);\n if (result.avc === -1) {\n result.avc = pid;\n }\n\n break;\n\n // ISO/IEC 11172-3 (MPEG-1 audio)\n // or ISO/IEC 13818-3 (MPEG-2 halved sample rate audio)\n case 0x03:\n case 0x04:\n // logger.log('MPEG PID:' + pid);\n if (!mpegSupported) {\n logger.log('MPEG audio found, not supported in this browser for now');\n } else if (result.audio === -1) {\n result.audio = pid;\n result.isAAC = false;\n }\n break;\n\n case 0x24:\n logger.warn('HEVC stream type found, not supported for now');\n break;\n\n default:\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n // move to the next table entry\n // skip past the elementary stream descriptors, if present\n offset += ((data[offset + 3] & 0x0F) << 8 | data[offset + 4]) + 5;\n }\n return result;\n }\n\n _parsePES (stream) {\n let i = 0, frag, pesFlags, pesPrefix, pesLen, pesHdrLen, pesData, pesPts, pesDts, payloadStartOffset, data = stream.data;\n // safety check\n if (!stream || stream.size === 0) {\n return null;\n }\n\n // we might need up to 19 bytes to read PES header\n // if first chunk of data is less than 19 bytes, let's merge it with following ones until we get 19 bytes\n // usually only one merge is needed (and this is rare ...)\n while (data[0].length < 19 && data.length > 1) {\n let newData = new Uint8Array(data[0].length + data[1].length);\n newData.set(data[0]);\n newData.set(data[1], data[0].length);\n data[0] = newData;\n data.splice(1, 1);\n }\n // retrieve PTS/DTS from first fragment\n frag = data[0];\n pesPrefix = (frag[0] << 16) + (frag[1] << 8) + frag[2];\n if (pesPrefix === 1) {\n pesLen = (frag[4] << 8) + frag[5];\n // if PES parsed length is not zero and greater than total received length, stop parsing. PES might be truncated\n // minus 6 : PES header size\n if (pesLen && pesLen > stream.size - 6) {\n return null;\n }\n\n pesFlags = frag[7];\n if (pesFlags & 0xC0) {\n /* PES header described here : http://dvd.sourceforge.net/dvdinfo/pes-hdr.html\n as PTS / DTS is 33 bit we cannot use bitwise operator in JS,\n as Bitwise operators treat their operands as a sequence of 32 bits */\n pesPts = (frag[9] & 0x0E) * 536870912 +// 1 << 29\n (frag[10] & 0xFF) * 4194304 +// 1 << 22\n (frag[11] & 0xFE) * 16384 +// 1 << 14\n (frag[12] & 0xFF) * 128 +// 1 << 7\n (frag[13] & 0xFE) / 2;\n // check if greater than 2^32 -1\n if (pesPts > 4294967295) {\n // decrement 2^33\n pesPts -= 8589934592;\n }\n if (pesFlags & 0x40) {\n pesDts = (frag[14] & 0x0E) * 536870912 +// 1 << 29\n (frag[15] & 0xFF) * 4194304 +// 1 << 22\n (frag[16] & 0xFE) * 16384 +// 1 << 14\n (frag[17] & 0xFF) * 128 +// 1 << 7\n (frag[18] & 0xFE) / 2;\n // check if greater than 2^32 -1\n if (pesDts > 4294967295) {\n // decrement 2^33\n pesDts -= 8589934592;\n }\n if (pesPts - pesDts > 60 * 90000) {\n logger.warn(`${Math.round((pesPts - pesDts) / 90000)}s delta between PTS and DTS, align them`);\n pesPts = pesDts;\n }\n } else {\n pesDts = pesPts;\n }\n }\n pesHdrLen = frag[8];\n // 9 bytes : 6 bytes for PES header + 3 bytes for PES extension\n payloadStartOffset = pesHdrLen + 9;\n\n if (stream.size <= payloadStartOffset) {\n return null;\n }\n stream.size -= payloadStartOffset;\n // reassemble PES packet\n pesData = new Uint8Array(stream.size);\n for (let j = 0, dataLen = data.length; j < dataLen; j++) {\n frag = data[j];\n let len = frag.byteLength;\n if (payloadStartOffset) {\n if (payloadStartOffset > len) {\n // trim full frag if PES header bigger than frag\n payloadStartOffset -= len;\n continue;\n } else {\n // trim partial frag if PES header smaller than frag\n frag = frag.subarray(payloadStartOffset);\n len -= payloadStartOffset;\n payloadStartOffset = 0;\n }\n }\n pesData.set(frag, i);\n i += len;\n }\n if (pesLen) {\n // payload size : remove PES header + PES extension\n pesLen -= pesHdrLen + 3;\n }\n return { data: pesData, pts: pesPts, dts: pesDts, len: pesLen };\n } else {\n return null;\n }\n }\n\n pushAccesUnit (avcSample, avcTrack) {\n if (avcSample.units.length && avcSample.frame) {\n const samples = avcTrack.samples;\n const nbSamples = samples.length;\n // if sample does not have PTS/DTS, patch with last sample PTS/DTS\n if (isNaN(avcSample.pts)) {\n if (nbSamples) {\n const lastSample = samples[nbSamples - 1];\n avcSample.pts = lastSample.pts;\n avcSample.dts = lastSample.dts;\n } else {\n // dropping samples, no timestamp found\n avcTrack.dropped++;\n return;\n }\n }\n // only push AVC sample if starting with a keyframe is not mandatory OR\n // if keyframe already found in this fragment OR\n // keyframe found in last fragment (track.sps) AND\n // samples already appended (we already found a keyframe in this fragment) OR fragment is contiguous\n if (!this.config.forceKeyFrameOnDiscontinuity ||\n avcSample.key === true ||\n (avcTrack.sps && (nbSamples || this.contiguous))) {\n avcSample.id = nbSamples;\n samples.push(avcSample);\n } else {\n // dropped samples, track it\n avcTrack.dropped++;\n }\n }\n if (avcSample.debug.length) {\n logger.log(avcSample.pts + '/' + avcSample.dts + ':' + avcSample.debug);\n }\n }\n\n _parseAVCPES (pes, last) {\n // logger.log('parse new PES');\n let track = this._avcTrack,\n units = this._parseAVCNALu(pes.data),\n debug = false,\n expGolombDecoder,\n avcSample = this.avcSample,\n push,\n spsfound = false,\n i,\n pushAccesUnit = this.pushAccesUnit.bind(this),\n createAVCSample = function (key, pts, dts, debug) {\n return { key: key, pts: pts, dts: dts, units: [], debug: debug };\n };\n // free pes.data to save up some memory\n pes.data = null;\n\n // if new NAL units found and last sample still there, let's push ...\n // this helps parsing streams with missing AUD (only do this if AUD never found)\n if (avcSample && units.length && !track.audFound) {\n pushAccesUnit(avcSample, track);\n avcSample = this.avcSample = createAVCSample(false, pes.pts, pes.dts, '');\n }\n\n units.forEach(unit => {\n switch (unit.type) {\n // NDR\n case 1:\n push = true;\n if (!avcSample) {\n avcSample = this.avcSample = createAVCSample(true, pes.pts, pes.dts, '');\n }\n\n if (debug) {\n avcSample.debug += 'NDR ';\n }\n\n avcSample.frame = true;\n let data = unit.data;\n // only check slice type to detect KF in case SPS found in same packet (any keyframe is preceded by SPS ...)\n if (spsfound && data.length > 4) {\n // retrieve slice type by parsing beginning of NAL unit (follow H264 spec, slice_header definition) to detect keyframe embedded in NDR\n let sliceType = new ExpGolomb(data).readSliceType();\n // 2 : I slice, 4 : SI slice, 7 : I slice, 9: SI slice\n // SI slice : A slice that is coded using intra prediction only and using quantisation of the prediction samples.\n // An SI slice can be coded such that its decoded samples can be constructed identically to an SP slice.\n // I slice: A slice that is not an SI slice that is decoded using intra prediction only.\n // if (sliceType === 2 || sliceType === 7) {\n if (sliceType === 2 || sliceType === 4 || sliceType === 7 || sliceType === 9) {\n avcSample.key = true;\n }\n }\n break;\n // IDR\n case 5:\n push = true;\n // handle PES not starting with AUD\n if (!avcSample) {\n avcSample = this.avcSample = createAVCSample(true, pes.pts, pes.dts, '');\n }\n\n if (debug) {\n avcSample.debug += 'IDR ';\n }\n\n avcSample.key = true;\n avcSample.frame = true;\n break;\n // SEI\n case 6:\n push = true;\n if (debug && avcSample) {\n avcSample.debug += 'SEI ';\n }\n\n expGolombDecoder = new ExpGolomb(this.discardEPB(unit.data));\n\n // skip frameType\n expGolombDecoder.readUByte();\n\n var payloadType = 0;\n var payloadSize = 0;\n var endOfCaptions = false;\n var b = 0;\n\n while (!endOfCaptions && expGolombDecoder.bytesAvailable > 1) {\n payloadType = 0;\n do {\n b = expGolombDecoder.readUByte();\n payloadType += b;\n } while (b === 0xFF);\n\n // Parse payload size.\n payloadSize = 0;\n do {\n b = expGolombDecoder.readUByte();\n payloadSize += b;\n } while (b === 0xFF);\n\n // TODO: there can be more than one payload in an SEI packet...\n // TODO: need to read type and size in a while loop to get them all\n if (payloadType === 4 && expGolombDecoder.bytesAvailable !== 0) {\n endOfCaptions = true;\n\n let countryCode = expGolombDecoder.readUByte();\n\n if (countryCode === 181) {\n let providerCode = expGolombDecoder.readUShort();\n\n if (providerCode === 49) {\n let userStructure = expGolombDecoder.readUInt();\n\n if (userStructure === 0x47413934) {\n let userDataType = expGolombDecoder.readUByte();\n\n // Raw CEA-608 bytes wrapped in CEA-708 packet\n if (userDataType === 3) {\n let firstByte = expGolombDecoder.readUByte();\n let secondByte = expGolombDecoder.readUByte();\n\n let totalCCs = 31 & firstByte;\n let byteArray = [firstByte, secondByte];\n\n for (i = 0; i < totalCCs; i++) {\n // 3 bytes per CC\n byteArray.push(expGolombDecoder.readUByte());\n byteArray.push(expGolombDecoder.readUByte());\n byteArray.push(expGolombDecoder.readUByte());\n }\n\n this._insertSampleInOrder(this._txtTrack.samples, { type: 3, pts: pes.pts, bytes: byteArray });\n }\n }\n }\n }\n } else if (payloadType === 5 && expGolombDecoder.bytesAvailable !== 0) {\n endOfCaptions = true;\n\n if (payloadSize > 16) {\n const uuidStrArray = [];\n for (i = 0; i < 16; i++) {\n uuidStrArray.push(expGolombDecoder.readUByte().toString(16));\n\n if (i === 3 || i === 5 || i === 7 || i === 9) {\n uuidStrArray.push('-');\n }\n }\n const length = payloadSize - 16;\n const userDataPayloadBytes = new Uint8Array(length);\n for (i = 0; i < length; i++) {\n userDataPayloadBytes[i] = expGolombDecoder.readUByte();\n }\n\n this._insertSampleInOrder(this._txtTrack.samples, {\n pts: pes.pts,\n payloadType: payloadType,\n uuid: uuidStrArray.join(''),\n userDataBytes: userDataPayloadBytes,\n userData: utf8ArrayToStr(userDataPayloadBytes.buffer)\n });\n }\n } else if (payloadSize < expGolombDecoder.bytesAvailable) {\n for (i = 0; i < payloadSize; i++) {\n expGolombDecoder.readUByte();\n }\n }\n }\n break;\n // SPS\n case 7:\n push = true;\n spsfound = true;\n if (debug && avcSample) {\n avcSample.debug += 'SPS ';\n }\n\n if (!track.sps) {\n expGolombDecoder = new ExpGolomb(unit.data);\n let config = expGolombDecoder.readSPS();\n track.width = config.width;\n track.height = config.height;\n track.pixelRatio = config.pixelRatio;\n track.sps = [unit.data];\n track.duration = this._duration;\n let codecarray = unit.data.subarray(1, 4);\n let codecstring = 'avc1.';\n for (i = 0; i < 3; i++) {\n let h = codecarray[i].toString(16);\n if (h.length < 2) {\n h = '0' + h;\n }\n\n codecstring += h;\n }\n track.codec = codecstring;\n }\n break;\n // PPS\n case 8:\n push = true;\n if (debug && avcSample) {\n avcSample.debug += 'PPS ';\n }\n\n if (!track.pps) {\n track.pps = [unit.data];\n }\n\n break;\n // AUD\n case 9:\n push = false;\n track.audFound = true;\n if (avcSample) {\n pushAccesUnit(avcSample, track);\n }\n\n avcSample = this.avcSample = createAVCSample(false, pes.pts, pes.dts, debug ? 'AUD ' : '');\n break;\n // Filler Data\n case 12:\n push = false;\n break;\n default:\n push = false;\n if (avcSample) {\n avcSample.debug += 'unknown NAL ' + unit.type + ' ';\n }\n\n break;\n }\n if (avcSample && push) {\n let units = avcSample.units;\n units.push(unit);\n }\n });\n // if last PES packet, push samples\n if (last && avcSample) {\n pushAccesUnit(avcSample, track);\n this.avcSample = null;\n }\n }\n\n _insertSampleInOrder (arr, data) {\n let len = arr.length;\n if (len > 0) {\n if (data.pts >= arr[len - 1].pts) {\n arr.push(data);\n } else {\n for (let pos = len - 1; pos >= 0; pos--) {\n if (data.pts < arr[pos].pts) {\n arr.splice(pos, 0, data);\n break;\n }\n }\n }\n } else {\n arr.push(data);\n }\n }\n\n _getLastNalUnit () {\n let avcSample = this.avcSample, lastUnit;\n // try to fallback to previous sample if current one is empty\n if (!avcSample || avcSample.units.length === 0) {\n let track = this._avcTrack, samples = track.samples;\n avcSample = samples[samples.length - 1];\n }\n if (avcSample) {\n let units = avcSample.units;\n lastUnit = units[units.length - 1];\n }\n return lastUnit;\n }\n\n _parseAVCNALu (array) {\n let i = 0, len = array.byteLength, value, overflow, track = this._avcTrack, state = track.naluState || 0, lastState = state;\n let units = [], unit, unitType, lastUnitStart = -1, lastUnitType;\n // logger.log('PES:' + Hex.hexDump(array));\n\n if (state === -1) {\n // special use case where we found 3 or 4-byte start codes exactly at the end of previous PES packet\n lastUnitStart = 0;\n // NALu type is value read from offset 0\n lastUnitType = array[0] & 0x1f;\n state = 0;\n i = 1;\n }\n\n while (i < len) {\n value = array[i++];\n // optimization. state 0 and 1 are the predominant case. let's handle them outside of the switch/case\n if (!state) {\n state = value ? 0 : 1;\n continue;\n }\n if (state === 1) {\n state = value ? 0 : 2;\n continue;\n }\n // here we have state either equal to 2 or 3\n if (!value) {\n state = 3;\n } else if (value === 1) {\n if (lastUnitStart >= 0) {\n unit = { data: array.subarray(lastUnitStart, i - state - 1), type: lastUnitType };\n // logger.log('pushing NALU, type/size:' + unit.type + '/' + unit.data.byteLength);\n units.push(unit);\n } else {\n // lastUnitStart is undefined => this is the first start code found in this PES packet\n // first check if start code delimiter is overlapping between 2 PES packets,\n // ie it started in last packet (lastState not zero)\n // and ended at the beginning of this PES packet (i <= 4 - lastState)\n let lastUnit = this._getLastNalUnit();\n if (lastUnit) {\n if (lastState && (i <= 4 - lastState)) {\n // start delimiter overlapping between PES packets\n // strip start delimiter bytes from the end of last NAL unit\n // check if lastUnit had a state different from zero\n if (lastUnit.state) {\n // strip last bytes\n lastUnit.data = lastUnit.data.subarray(0, lastUnit.data.byteLength - lastState);\n }\n }\n // If NAL units are not starting right at the beginning of the PES packet, push preceding data into previous NAL unit.\n overflow = i - state - 1;\n if (overflow > 0) {\n // logger.log('first NALU found with overflow:' + overflow);\n let tmp = new Uint8Array(lastUnit.data.byteLength + overflow);\n tmp.set(lastUnit.data, 0);\n tmp.set(array.subarray(0, overflow), lastUnit.data.byteLength);\n lastUnit.data = tmp;\n }\n }\n }\n // check if we can read unit type\n if (i < len) {\n unitType = array[i] & 0x1f;\n // logger.log('find NALU @ offset:' + i + ',type:' + unitType);\n lastUnitStart = i;\n lastUnitType = unitType;\n state = 0;\n } else {\n // not enough byte to read unit type. let's read it on next PES parsing\n state = -1;\n }\n } else {\n state = 0;\n }\n }\n if (lastUnitStart >= 0 && state >= 0) {\n unit = { data: array.subarray(lastUnitStart, len), type: lastUnitType, state: state };\n units.push(unit);\n // logger.log('pushing NALU, type/size/state:' + unit.type + '/' + unit.data.byteLength + '/' + state);\n }\n // no NALu found\n if (units.length === 0) {\n // append pes.data to previous NAL unit\n let lastUnit = this._getLastNalUnit();\n if (lastUnit) {\n let tmp = new Uint8Array(lastUnit.data.byteLength + array.byteLength);\n tmp.set(lastUnit.data, 0);\n tmp.set(array, lastUnit.data.byteLength);\n lastUnit.data = tmp;\n }\n }\n track.naluState = state;\n return units;\n }\n\n /**\n * remove Emulation Prevention bytes from a RBSP\n */\n discardEPB (data) {\n let length = data.byteLength,\n EPBPositions = [],\n i = 1,\n newLength, newData;\n\n // Find all `Emulation Prevention Bytes`\n while (i < length - 2) {\n if (data[i] === 0 &&\n data[i + 1] === 0 &&\n data[i + 2] === 0x03) {\n EPBPositions.push(i + 2);\n i += 2;\n } else {\n i++;\n }\n }\n\n // If no Emulation Prevention Bytes were found just return the original\n // array\n if (EPBPositions.length === 0) {\n return data;\n }\n\n // Create a new array to hold the NAL unit data\n newLength = length - EPBPositions.length;\n newData = new Uint8Array(newLength);\n let sourceIndex = 0;\n\n for (i = 0; i < newLength; sourceIndex++, i++) {\n if (sourceIndex === EPBPositions[0]) {\n // Skip this byte\n sourceIndex++;\n // Remove this position index\n EPBPositions.shift();\n }\n newData[i] = data[sourceIndex];\n }\n return newData;\n }\n\n _parseAACPES (pes) {\n let track = this._audioTrack,\n data = pes.data,\n pts = pes.pts,\n startOffset = 0,\n aacOverFlow = this.aacOverFlow,\n aacLastPTS = this.aacLastPTS,\n frameDuration, frameIndex, offset, stamp, len;\n if (aacOverFlow) {\n let tmp = new Uint8Array(aacOverFlow.byteLength + data.byteLength);\n tmp.set(aacOverFlow, 0);\n tmp.set(data, aacOverFlow.byteLength);\n // logger.log(`AAC: append overflowing ${aacOverFlow.byteLength} bytes to beginning of new PES`);\n data = tmp;\n }\n // look for ADTS header (0xFFFx)\n for (offset = startOffset, len = data.length; offset < len - 1; offset++) {\n if (ADTS.isHeader(data, offset)) {\n break;\n }\n }\n // if ADTS header does not start straight from the beginning of the PES payload, raise an error\n if (offset) {\n let reason, fatal;\n if (offset < len - 1) {\n reason = `AAC PES did not start with ADTS header,offset:${offset}`;\n fatal = false;\n } else {\n reason = 'no ADTS header found in AAC PES';\n fatal = true;\n }\n logger.warn(`parsing error:${reason}`);\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: fatal, reason: reason });\n if (fatal) {\n return;\n }\n }\n\n ADTS.initTrackConfig(track, this.observer, data, offset, this.audioCodec);\n frameIndex = 0;\n frameDuration = ADTS.getFrameDuration(track.samplerate);\n\n // if last AAC frame is overflowing, we should ensure timestamps are contiguous:\n // first sample PTS should be equal to last sample PTS + frameDuration\n if (aacOverFlow && aacLastPTS) {\n let newPTS = aacLastPTS + frameDuration;\n if (Math.abs(newPTS - pts) > 1) {\n logger.log(`AAC: align PTS for overlapping frames by ${Math.round((newPTS - pts) / 90)}`);\n pts = newPTS;\n }\n }\n\n // scan for aac samples\n while (offset < len) {\n if (ADTS.isHeader(data, offset)) {\n if ((offset + 5) < len) {\n const frame = ADTS.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n continue;\n }\n }\n // We are at an ADTS header, but do not have enough data for a frame\n // Remaining data will be added to aacOverFlow\n break;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n if (offset < len) {\n aacOverFlow = data.subarray(offset, len);\n // logger.log(`AAC: overflow detected:${len-offset}`);\n } else {\n aacOverFlow = null;\n }\n\n this.aacOverFlow = aacOverFlow;\n this.aacLastPTS = stamp;\n }\n\n _parseMPEGPES (pes) {\n let data = pes.data;\n let length = data.length;\n let frameIndex = 0;\n let offset = 0;\n let pts = pes.pts;\n\n while (offset < length) {\n if (MpegAudio.isHeader(data, offset)) {\n let frame = MpegAudio.appendFrame(this._audioTrack, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n frameIndex++;\n } else {\n // logger.log('Unable to parse Mpeg audio frame');\n break;\n }\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n }\n\n _parseID3PES (pes) {\n this._id3Track.samples.push(pes);\n }\n}\n\nexport default TSDemuxer;\n","/**\n * MP3 demuxer\n */\nimport ID3 from '../demux/id3';\nimport { logger } from '../utils/logger';\nimport MpegAudio from './mpegaudio';\n\nclass MP3Demuxer {\n constructor (observer, remuxer, config) {\n this.observer = observer;\n this.config = config;\n this.remuxer = remuxer;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this._audioTrack = { container: 'audio/mpeg', type: 'audio', id: -1, sequenceNumber: 0, isAAC: false, samples: [], len: 0, manifestCodec: audioCodec, duration: duration, inputTimeScale: 90000 };\n }\n\n resetTimeStamp () {\n }\n\n static probe (data) {\n // check if data contains ID3 timestamp and MPEG sync word\n let offset, length;\n let id3Data = ID3.getID3Data(data, 0);\n if (id3Data && ID3.getTimeStamp(id3Data) !== undefined) {\n // Look for MPEG header | 1111 1111 | 111X XYZX | where X can be either 0 or 1 and Y or Z should be 1\n // Layer bits (position 14 and 15) in header should be always different from 0 (Layer I or Layer II or Layer III)\n // More info http://www.mp3-tech.org/programmer/frame_header.html\n for (offset = id3Data.length, length = Math.min(data.length - 1, offset + 100); offset < length; offset++) {\n if (MpegAudio.probe(data, offset)) {\n logger.log('MPEG Audio sync word found !');\n return true;\n }\n }\n }\n return false;\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let id3Data = ID3.getID3Data(data, 0);\n let timestamp = ID3.getTimeStamp(id3Data);\n let pts = timestamp ? 90 * timestamp : timeOffset * 90000;\n let offset = id3Data.length;\n let length = data.length;\n let frameIndex = 0, stamp = 0;\n let track = this._audioTrack;\n\n let id3Samples = [{ pts: pts, dts: pts, data: id3Data }];\n\n while (offset < length) {\n if (MpegAudio.isHeader(data, offset)) {\n let frame = MpegAudio.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n } else {\n // logger.log('Unable to parse Mpeg audio frame');\n break;\n }\n } else if (ID3.isHeader(data, offset)) {\n id3Data = ID3.getID3Data(data, offset);\n id3Samples.push({ pts: stamp, dts: stamp, data: id3Data });\n offset += id3Data.length;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n this.remuxer.remux(track,\n { samples: [] },\n { samples: id3Samples, inputTimeScale: 90000 },\n { samples: [] },\n timeOffset,\n contiguous,\n accurateTimeOffset);\n }\n\n destroy () {\n }\n}\n\nexport default MP3Demuxer;\n","/**\n * AAC helper\n */\n\nclass AAC {\n static getSilentFrame (codec, channelCount) {\n switch (codec) {\n case 'mp4a.40.2':\n if (channelCount === 1) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x23, 0x80]);\n } else if (channelCount === 2) {\n return new Uint8Array([0x21, 0x00, 0x49, 0x90, 0x02, 0x19, 0x00, 0x23, 0x80]);\n } else if (channelCount === 3) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x8e]);\n } else if (channelCount === 4) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x80, 0x2c, 0x80, 0x08, 0x02, 0x38]);\n } else if (channelCount === 5) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x38]);\n } else if (channelCount === 6) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x00, 0xb2, 0x00, 0x20, 0x08, 0xe0]);\n }\n\n break;\n // handle HE-AAC below (mp4a.40.5 / mp4a.40.29)\n default:\n if (channelCount === 1) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0:d=0.05\" -c:a libfdk_aac -profile:a aac_he -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x4e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x1c, 0x6, 0xf1, 0xc1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n } else if (channelCount === 2) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0|0:d=0.05\" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n } else if (channelCount === 3) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0|0|0:d=0.05\" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n }\n break;\n }\n return null;\n }\n}\n\nexport default AAC;\n","/**\n * Generate MP4 Box\n*/\n\nconst UINT32_MAX = Math.pow(2, 32) - 1;\n\nclass MP4 {\n static init () {\n MP4.types = {\n avc1: [], // codingname\n avcC: [],\n btrt: [],\n dinf: [],\n dref: [],\n esds: [],\n ftyp: [],\n hdlr: [],\n mdat: [],\n mdhd: [],\n mdia: [],\n mfhd: [],\n minf: [],\n moof: [],\n moov: [],\n mp4a: [],\n '.mp3': [],\n mvex: [],\n mvhd: [],\n pasp: [],\n sdtp: [],\n stbl: [],\n stco: [],\n stsc: [],\n stsd: [],\n stsz: [],\n stts: [],\n tfdt: [],\n tfhd: [],\n traf: [],\n trak: [],\n trun: [],\n trex: [],\n tkhd: [],\n vmhd: [],\n smhd: []\n };\n\n let i;\n for (i in MP4.types) {\n if (MP4.types.hasOwnProperty(i)) {\n MP4.types[i] = [\n i.charCodeAt(0),\n i.charCodeAt(1),\n i.charCodeAt(2),\n i.charCodeAt(3)\n ];\n }\n }\n\n let videoHdlr = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0x76, 0x69, 0x64, 0x65, // handler_type: 'vide'\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x56, 0x69, 0x64, 0x65,\n 0x6f, 0x48, 0x61, 0x6e,\n 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'VideoHandler'\n ]);\n\n let audioHdlr = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0x73, 0x6f, 0x75, 0x6e, // handler_type: 'soun'\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x53, 0x6f, 0x75, 0x6e,\n 0x64, 0x48, 0x61, 0x6e,\n 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'SoundHandler'\n ]);\n\n MP4.HDLR_TYPES = {\n 'video': videoHdlr,\n 'audio': audioHdlr\n };\n\n let dref = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x01, // entry_count\n 0x00, 0x00, 0x00, 0x0c, // entry_size\n 0x75, 0x72, 0x6c, 0x20, // 'url' type\n 0x00, // version 0\n 0x00, 0x00, 0x01 // entry_flags\n ]);\n\n let stco = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00 // entry_count\n ]);\n\n MP4.STTS = MP4.STSC = MP4.STCO = stco;\n\n MP4.STSZ = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // sample_size\n 0x00, 0x00, 0x00, 0x00 // sample_count\n ]);\n MP4.VMHD = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x01, // flags\n 0x00, 0x00, // graphicsmode\n 0x00, 0x00,\n 0x00, 0x00,\n 0x00, 0x00 // opcolor\n ]);\n MP4.SMHD = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, // balance\n 0x00, 0x00 // reserved\n ]);\n\n MP4.STSD = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x01]);// entry_count\n\n let majorBrand = new Uint8Array([105, 115, 111, 109]); // isom\n let avc1Brand = new Uint8Array([97, 118, 99, 49]); // avc1\n let minorVersion = new Uint8Array([0, 0, 0, 1]);\n\n MP4.FTYP = MP4.box(MP4.types.ftyp, majorBrand, minorVersion, majorBrand, avc1Brand);\n MP4.DINF = MP4.box(MP4.types.dinf, MP4.box(MP4.types.dref, dref));\n }\n\n static box (type) {\n let\n payload = Array.prototype.slice.call(arguments, 1),\n size = 8,\n i = payload.length,\n len = i,\n result;\n // calculate the total size we need to allocate\n while (i--) {\n size += payload[i].byteLength;\n }\n\n result = new Uint8Array(size);\n result[0] = (size >> 24) & 0xff;\n result[1] = (size >> 16) & 0xff;\n result[2] = (size >> 8) & 0xff;\n result[3] = size & 0xff;\n result.set(type, 4);\n // copy the payload into the result\n for (i = 0, size = 8; i < len; i++) {\n // copy payload[i] array @ offset size\n result.set(payload[i], size);\n size += payload[i].byteLength;\n }\n return result;\n }\n\n static hdlr (type) {\n return MP4.box(MP4.types.hdlr, MP4.HDLR_TYPES[type]);\n }\n\n static mdat (data) {\n return MP4.box(MP4.types.mdat, data);\n }\n\n static mdhd (timescale, duration) {\n duration *= timescale;\n const upperWordDuration = Math.floor(duration / (UINT32_MAX + 1));\n const lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n return MP4.box(MP4.types.mdhd, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (timescale >> 24) & 0xFF,\n (timescale >> 16) & 0xFF,\n (timescale >> 8) & 0xFF,\n timescale & 0xFF, // timescale\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x55, 0xc4, // 'und' language (undetermined)\n 0x00, 0x00\n ]));\n }\n\n static mdia (track) {\n return MP4.box(MP4.types.mdia, MP4.mdhd(track.timescale, track.duration), MP4.hdlr(track.type), MP4.minf(track));\n }\n\n static mfhd (sequenceNumber) {\n return MP4.box(MP4.types.mfhd, new Uint8Array([\n 0x00,\n 0x00, 0x00, 0x00, // flags\n (sequenceNumber >> 24),\n (sequenceNumber >> 16) & 0xFF,\n (sequenceNumber >> 8) & 0xFF,\n sequenceNumber & 0xFF // sequence_number\n ]));\n }\n\n static minf (track) {\n if (track.type === 'audio') {\n return MP4.box(MP4.types.minf, MP4.box(MP4.types.smhd, MP4.SMHD), MP4.DINF, MP4.stbl(track));\n } else {\n return MP4.box(MP4.types.minf, MP4.box(MP4.types.vmhd, MP4.VMHD), MP4.DINF, MP4.stbl(track));\n }\n }\n\n static moof (sn, baseMediaDecodeTime, track) {\n return MP4.box(MP4.types.moof, MP4.mfhd(sn), MP4.traf(track, baseMediaDecodeTime));\n }\n /**\n * @param tracks... (optional) {array} the tracks associated with this movie\n */\n static moov (tracks) {\n let\n i = tracks.length,\n boxes = [];\n\n while (i--) {\n boxes[i] = MP4.trak(tracks[i]);\n }\n\n return MP4.box.apply(null, [MP4.types.moov, MP4.mvhd(tracks[0].timescale, tracks[0].duration)].concat(boxes).concat(MP4.mvex(tracks)));\n }\n\n static mvex (tracks) {\n let\n i = tracks.length,\n boxes = [];\n\n while (i--) {\n boxes[i] = MP4.trex(tracks[i]);\n }\n\n return MP4.box.apply(null, [MP4.types.mvex].concat(boxes));\n }\n\n static mvhd (timescale, duration) {\n duration *= timescale;\n const upperWordDuration = Math.floor(duration / (UINT32_MAX + 1));\n const lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n let\n bytes = new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (timescale >> 24) & 0xFF,\n (timescale >> 16) & 0xFF,\n (timescale >> 8) & 0xFF,\n timescale & 0xFF, // timescale\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x00, 0x01, 0x00, 0x00, // 1.0 rate\n 0x01, 0x00, // 1.0 volume\n 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0xff, 0xff, 0xff, 0xff // next_track_ID\n ]);\n return MP4.box(MP4.types.mvhd, bytes);\n }\n\n static sdtp (track) {\n let\n samples = track.samples || [],\n bytes = new Uint8Array(4 + samples.length),\n flags,\n i;\n // leave the full box header (4 bytes) all zero\n // write the sample table\n for (i = 0; i < samples.length; i++) {\n flags = samples[i].flags;\n bytes[i + 4] = (flags.dependsOn << 4) |\n (flags.isDependedOn << 2) |\n (flags.hasRedundancy);\n }\n\n return MP4.box(MP4.types.sdtp, bytes);\n }\n\n static stbl (track) {\n return MP4.box(MP4.types.stbl, MP4.stsd(track), MP4.box(MP4.types.stts, MP4.STTS), MP4.box(MP4.types.stsc, MP4.STSC), MP4.box(MP4.types.stsz, MP4.STSZ), MP4.box(MP4.types.stco, MP4.STCO));\n }\n\n static avc1 (track) {\n let sps = [], pps = [], i, data, len;\n // assemble the SPSs\n\n for (i = 0; i < track.sps.length; i++) {\n data = track.sps[i];\n len = data.byteLength;\n sps.push((len >>> 8) & 0xFF);\n sps.push((len & 0xFF));\n\n // SPS\n sps = sps.concat(Array.prototype.slice.call(data));\n }\n\n // assemble the PPSs\n for (i = 0; i < track.pps.length; i++) {\n data = track.pps[i];\n len = data.byteLength;\n pps.push((len >>> 8) & 0xFF);\n pps.push((len & 0xFF));\n\n pps = pps.concat(Array.prototype.slice.call(data));\n }\n\n let avcc = MP4.box(MP4.types.avcC, new Uint8Array([\n 0x01, // version\n sps[3], // profile\n sps[4], // profile compat\n sps[5], // level\n 0xfc | 3, // lengthSizeMinusOne, hard-coded to 4 bytes\n 0xE0 | track.sps.length // 3bit reserved (111) + numOfSequenceParameterSets\n ].concat(sps).concat([\n track.pps.length // numOfPictureParameterSets\n ]).concat(pps))), // \"PPS\"\n width = track.width,\n height = track.height,\n hSpacing = track.pixelRatio[0],\n vSpacing = track.pixelRatio[1];\n\n return MP4.box(MP4.types.avc1, new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, // pre_defined\n 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n (width >> 8) & 0xFF,\n width & 0xff, // width\n (height >> 8) & 0xFF,\n height & 0xff, // height\n 0x00, 0x48, 0x00, 0x00, // horizresolution\n 0x00, 0x48, 0x00, 0x00, // vertresolution\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // frame_count\n 0x12,\n 0x64, 0x61, 0x69, 0x6C, // dailymotion/hls.js\n 0x79, 0x6D, 0x6F, 0x74,\n 0x69, 0x6F, 0x6E, 0x2F,\n 0x68, 0x6C, 0x73, 0x2E,\n 0x6A, 0x73, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, // compressorname\n 0x00, 0x18, // depth = 24\n 0x11, 0x11]), // pre_defined = -1\n avcc,\n MP4.box(MP4.types.btrt, new Uint8Array([\n 0x00, 0x1c, 0x9c, 0x80, // bufferSizeDB\n 0x00, 0x2d, 0xc6, 0xc0, // maxBitrate\n 0x00, 0x2d, 0xc6, 0xc0])), // avgBitrate\n MP4.box(MP4.types.pasp, new Uint8Array([\n (hSpacing >> 24), // hSpacing\n (hSpacing >> 16) & 0xFF,\n (hSpacing >> 8) & 0xFF,\n hSpacing & 0xFF,\n (vSpacing >> 24), // vSpacing\n (vSpacing >> 16) & 0xFF,\n (vSpacing >> 8) & 0xFF,\n vSpacing & 0xFF]))\n );\n }\n\n static esds (track) {\n let configlen = track.config.length;\n return new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n\n 0x03, // descriptor_type\n 0x17 + configlen, // length\n 0x00, 0x01, // es_id\n 0x00, // stream_priority\n\n 0x04, // descriptor_type\n 0x0f + configlen, // length\n 0x40, // codec : mpeg4_audio\n 0x15, // stream_type\n 0x00, 0x00, 0x00, // buffer_size\n 0x00, 0x00, 0x00, 0x00, // maxBitrate\n 0x00, 0x00, 0x00, 0x00, // avgBitrate\n\n 0x05 // descriptor_type\n ].concat([configlen]).concat(track.config).concat([0x06, 0x01, 0x02])); // GASpecificConfig)); // length + audio config descriptor\n }\n\n static mp4a (track) {\n let samplerate = track.samplerate;\n return MP4.box(MP4.types.mp4a, new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, track.channelCount, // channelcount\n 0x00, 0x10, // sampleSize:16bits\n 0x00, 0x00, 0x00, 0x00, // reserved2\n (samplerate >> 8) & 0xFF,\n samplerate & 0xff, //\n 0x00, 0x00]),\n MP4.box(MP4.types.esds, MP4.esds(track)));\n }\n\n static mp3 (track) {\n let samplerate = track.samplerate;\n return MP4.box(MP4.types['.mp3'], new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, track.channelCount, // channelcount\n 0x00, 0x10, // sampleSize:16bits\n 0x00, 0x00, 0x00, 0x00, // reserved2\n (samplerate >> 8) & 0xFF,\n samplerate & 0xff, //\n 0x00, 0x00]));\n }\n\n static stsd (track) {\n if (track.type === 'audio') {\n if (!track.isAAC && track.codec === 'mp3') {\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp3(track));\n }\n\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp4a(track));\n } else {\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.avc1(track));\n }\n }\n\n static tkhd (track) {\n let id = track.id,\n duration = track.duration * track.timescale,\n width = track.width,\n height = track.height,\n upperWordDuration = Math.floor(duration / (UINT32_MAX + 1)),\n lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n return MP4.box(MP4.types.tkhd, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x07, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (id >> 24) & 0xFF,\n (id >> 16) & 0xFF,\n (id >> 8) & 0xFF,\n id & 0xFF, // track_ID\n 0x00, 0x00, 0x00, 0x00, // reserved\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, // layer\n 0x00, 0x00, // alternate_group\n 0x00, 0x00, // non-audio track volume\n 0x00, 0x00, // reserved\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n (width >> 8) & 0xFF,\n width & 0xFF,\n 0x00, 0x00, // width\n (height >> 8) & 0xFF,\n height & 0xFF,\n 0x00, 0x00 // height\n ]));\n }\n\n static traf (track, baseMediaDecodeTime) {\n let sampleDependencyTable = MP4.sdtp(track),\n id = track.id,\n upperWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1)),\n lowerWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1));\n return MP4.box(MP4.types.traf,\n MP4.box(MP4.types.tfhd, new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n (id >> 24),\n (id >> 16) & 0XFF,\n (id >> 8) & 0XFF,\n (id & 0xFF) // track_ID\n ])),\n MP4.box(MP4.types.tfdt, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n (upperWordBaseMediaDecodeTime >> 24),\n (upperWordBaseMediaDecodeTime >> 16) & 0XFF,\n (upperWordBaseMediaDecodeTime >> 8) & 0XFF,\n (upperWordBaseMediaDecodeTime & 0xFF),\n (lowerWordBaseMediaDecodeTime >> 24),\n (lowerWordBaseMediaDecodeTime >> 16) & 0XFF,\n (lowerWordBaseMediaDecodeTime >> 8) & 0XFF,\n (lowerWordBaseMediaDecodeTime & 0xFF)\n ])),\n MP4.trun(track,\n sampleDependencyTable.length +\n 16 + // tfhd\n 20 + // tfdt\n 8 + // traf header\n 16 + // mfhd\n 8 + // moof header\n 8), // mdat header\n sampleDependencyTable);\n }\n\n /**\n * Generate a track box.\n * @param track {object} a track definition\n * @return {Uint8Array} the track box\n */\n static trak (track) {\n track.duration = track.duration || 0xffffffff;\n return MP4.box(MP4.types.trak, MP4.tkhd(track), MP4.mdia(track));\n }\n\n static trex (track) {\n let id = track.id;\n return MP4.box(MP4.types.trex, new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n (id >> 24),\n (id >> 16) & 0XFF,\n (id >> 8) & 0XFF,\n (id & 0xFF), // track_ID\n 0x00, 0x00, 0x00, 0x01, // default_sample_description_index\n 0x00, 0x00, 0x00, 0x00, // default_sample_duration\n 0x00, 0x00, 0x00, 0x00, // default_sample_size\n 0x00, 0x01, 0x00, 0x01 // default_sample_flags\n ]));\n }\n\n static trun (track, offset) {\n let samples = track.samples || [],\n len = samples.length,\n arraylen = 12 + (16 * len),\n array = new Uint8Array(arraylen),\n i, sample, duration, size, flags, cts;\n offset += 8 + arraylen;\n array.set([\n 0x00, // version 0\n 0x00, 0x0f, 0x01, // flags\n (len >>> 24) & 0xFF,\n (len >>> 16) & 0xFF,\n (len >>> 8) & 0xFF,\n len & 0xFF, // sample_count\n (offset >>> 24) & 0xFF,\n (offset >>> 16) & 0xFF,\n (offset >>> 8) & 0xFF,\n offset & 0xFF // data_offset\n ], 0);\n for (i = 0; i < len; i++) {\n sample = samples[i];\n duration = sample.duration;\n size = sample.size;\n flags = sample.flags;\n cts = sample.cts;\n array.set([\n (duration >>> 24) & 0xFF,\n (duration >>> 16) & 0xFF,\n (duration >>> 8) & 0xFF,\n duration & 0xFF, // sample_duration\n (size >>> 24) & 0xFF,\n (size >>> 16) & 0xFF,\n (size >>> 8) & 0xFF,\n size & 0xFF, // sample_size\n (flags.isLeading << 2) | flags.dependsOn,\n (flags.isDependedOn << 6) |\n (flags.hasRedundancy << 4) |\n (flags.paddingValue << 1) |\n flags.isNonSync,\n flags.degradPrio & 0xF0 << 8,\n flags.degradPrio & 0x0F, // sample_flags\n (cts >>> 24) & 0xFF,\n (cts >>> 16) & 0xFF,\n (cts >>> 8) & 0xFF,\n cts & 0xFF // sample_composition_time_offset\n ], 12 + 16 * i);\n }\n return MP4.box(MP4.types.trun, array);\n }\n\n static initSegment (tracks) {\n if (!MP4.types) {\n MP4.init();\n }\n\n let movie = MP4.moov(tracks), result;\n result = new Uint8Array(MP4.FTYP.byteLength + movie.byteLength);\n result.set(MP4.FTYP);\n result.set(movie, MP4.FTYP.byteLength);\n return result;\n }\n}\n\nexport default MP4;\n","const MPEG_TS_CLOCK_FREQ_HZ = 90000;\n\nexport function toTimescaleFromScale (value, destScale: number, srcScale: number = 1, round: boolean = false): number {\n return toTimescaleFromBase(value, destScale, 1 / srcScale);\n}\n\nexport function toTimescaleFromBase (value, destScale: number, srcBase: number = 1, round: boolean = false): number {\n const result = value * destScale * srcBase; // equivalent to `(value * scale) / (1 / base)`\n return round ? Math.round(result) : result;\n}\n\nexport function toMsFromMpegTsClock (value: number, round: boolean = false): number {\n return toTimescaleFromBase(value, 1000, 1 / MPEG_TS_CLOCK_FREQ_HZ, round);\n}\n\nexport function toMpegTsClockFromTimescale (value: number, srcScale: number = 1): number {\n return toTimescaleFromBase(value, MPEG_TS_CLOCK_FREQ_HZ, 1 / srcScale);\n}\n","/**\n * fMP4 remuxer\n*/\n\nimport AAC from './aac-helper';\nimport MP4 from './mp4-generator';\n\nimport Event from '../events';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\nimport { toMsFromMpegTsClock, toMpegTsClockFromTimescale, toTimescaleFromScale } from '../utils/timescale-conversion';\n\nimport { logger } from '../utils/logger';\n\nconst MAX_SILENT_FRAME_DURATION_90KHZ = toMpegTsClockFromTimescale(10);\nconst PTS_DTS_SHIFT_TOLERANCE_90KHZ = toMpegTsClockFromTimescale(0.2);\n\nclass MP4Remuxer {\n constructor (observer, config, typeSupported, vendor) {\n this.observer = observer;\n this.config = config;\n this.typeSupported = typeSupported;\n const userAgent = navigator.userAgent;\n this.isSafari = vendor && vendor.indexOf('Apple') > -1 && userAgent && !userAgent.match('CriOS');\n this.ISGenerated = false;\n }\n\n destroy () {\n }\n\n resetTimeStamp (defaultTimeStamp) {\n this._initPTS = this._initDTS = defaultTimeStamp;\n }\n\n resetInitSegment () {\n this.ISGenerated = false;\n }\n\n remux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n // generate Init Segment if needed\n if (!this.ISGenerated) {\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n\n if (this.ISGenerated) {\n const nbAudioSamples = audioTrack.samples.length;\n const nbVideoSamples = videoTrack.samples.length;\n let audioTimeOffset = timeOffset;\n let videoTimeOffset = timeOffset;\n if (nbAudioSamples && nbVideoSamples) {\n // timeOffset is expected to be the offset of the first timestamp of this fragment (first DTS)\n // if first audio DTS is not aligned with first video DTS then we need to take that into account\n // when providing timeOffset to remuxAudio / remuxVideo. if we don't do that, there might be a permanent / small\n // drift between audio and video streams\n let audiovideoDeltaDts = (audioTrack.samples[0].pts - videoTrack.samples[0].pts) / videoTrack.inputTimeScale;\n audioTimeOffset += Math.max(0, audiovideoDeltaDts);\n videoTimeOffset += Math.max(0, -audiovideoDeltaDts);\n }\n // Purposefully remuxing audio before video, so that remuxVideo can use nextAudioPts, which is\n // calculated in remuxAudio.\n // logger.log('nb AAC samples:' + audioTrack.samples.length);\n if (nbAudioSamples) {\n // if initSegment was generated without video samples, regenerate it again\n if (!audioTrack.timescale) {\n logger.warn('regenerate InitSegment as audio detected');\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n let audioData = this.remuxAudio(audioTrack, audioTimeOffset, contiguous, accurateTimeOffset);\n // logger.log('nb AVC samples:' + videoTrack.samples.length);\n if (nbVideoSamples) {\n let audioTrackLength;\n if (audioData) {\n audioTrackLength = audioData.endPTS - audioData.startPTS;\n }\n\n // if initSegment was generated without video samples, regenerate it again\n if (!videoTrack.timescale) {\n logger.warn('regenerate InitSegment as video detected');\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n this.remuxVideo(videoTrack, videoTimeOffset, contiguous, audioTrackLength, accurateTimeOffset);\n }\n } else {\n // logger.log('nb AVC samples:' + videoTrack.samples.length);\n if (nbVideoSamples) {\n let videoData = this.remuxVideo(videoTrack, videoTimeOffset, contiguous, 0, accurateTimeOffset);\n if (videoData && audioTrack.codec) {\n this.remuxEmptyAudio(audioTrack, audioTimeOffset, contiguous, videoData);\n }\n }\n }\n }\n // logger.log('nb ID3 samples:' + audioTrack.samples.length);\n if (id3Track.samples.length) {\n this.remuxID3(id3Track, timeOffset);\n }\n\n // logger.log('nb ID3 samples:' + audioTrack.samples.length);\n if (textTrack.samples.length) {\n this.remuxText(textTrack, timeOffset);\n }\n\n // notify end of parsing\n this.observer.trigger(Event.FRAG_PARSED);\n }\n\n generateIS (audioTrack, videoTrack, timeOffset) {\n let observer = this.observer,\n audioSamples = audioTrack.samples,\n videoSamples = videoTrack.samples,\n typeSupported = this.typeSupported,\n container = 'audio/mp4',\n tracks = {},\n data = { tracks: tracks },\n computePTSDTS = (this._initPTS === undefined),\n initPTS, initDTS;\n\n if (computePTSDTS) {\n initPTS = initDTS = Infinity;\n }\n\n if (audioTrack.config && audioSamples.length) {\n // let's use audio sampling rate as MP4 time scale.\n // rationale is that there is a integer nb of audio frames per audio sample (1024 for AAC)\n // using audio sampling rate here helps having an integer MP4 frame duration\n // this avoids potential rounding issue and AV sync issue\n audioTrack.timescale = audioTrack.samplerate;\n logger.log(`audio sampling rate : ${audioTrack.samplerate}`);\n if (!audioTrack.isAAC) {\n if (typeSupported.mpeg) { // Chrome and Safari\n container = 'audio/mpeg';\n audioTrack.codec = '';\n } else if (typeSupported.mp3) { // Firefox\n audioTrack.codec = 'mp3';\n }\n }\n tracks.audio = {\n container: container,\n codec: audioTrack.codec,\n initSegment: !audioTrack.isAAC && typeSupported.mpeg ? new Uint8Array() : MP4.initSegment([audioTrack]),\n metadata: {\n channelCount: audioTrack.channelCount\n }\n };\n if (computePTSDTS) {\n // remember first PTS of this demuxing context. for audio, PTS = DTS\n initPTS = initDTS = audioSamples[0].pts - audioTrack.inputTimeScale * timeOffset;\n }\n }\n\n if (videoTrack.sps && videoTrack.pps && videoSamples.length) {\n // let's use input time scale as MP4 video timescale\n // we use input time scale straight away to avoid rounding issues on frame duration / cts computation\n const inputTimeScale = videoTrack.inputTimeScale;\n videoTrack.timescale = inputTimeScale;\n tracks.video = {\n container: 'video/mp4',\n codec: videoTrack.codec,\n initSegment: MP4.initSegment([videoTrack]),\n metadata: {\n width: videoTrack.width,\n height: videoTrack.height\n }\n };\n if (computePTSDTS) {\n initPTS = Math.min(initPTS, videoSamples[0].pts - inputTimeScale * timeOffset);\n initDTS = Math.min(initDTS, videoSamples[0].dts - inputTimeScale * timeOffset);\n this.observer.trigger(Event.INIT_PTS_FOUND, { initPTS: initPTS });\n }\n }\n\n if (Object.keys(tracks).length) {\n observer.trigger(Event.FRAG_PARSING_INIT_SEGMENT, data);\n this.ISGenerated = true;\n if (computePTSDTS) {\n this._initPTS = initPTS;\n this._initDTS = initDTS;\n }\n } else {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: false, reason: 'no audio/video samples found' });\n }\n }\n\n remuxVideo (track, timeOffset, contiguous, audioTrackLength, accurateTimeOffset) {\n let offset = 8;\n let mp4SampleDuration;\n let mdat;\n let moof;\n let firstPTS;\n let firstDTS;\n let lastPTS;\n let lastDTS;\n const timeScale = track.timescale;\n const inputSamples = track.samples;\n const outputSamples = [];\n const nbSamples = inputSamples.length;\n const ptsNormalize = this._PTSNormalize;\n const initPTS = this._initPTS;\n\n // if parsed fragment is contiguous with last one, let's use last DTS value as reference\n let nextAvcDts = this.nextAvcDts;\n\n const isSafari = this.isSafari;\n\n if (nbSamples === 0) {\n return;\n }\n\n // Safari does not like overlapping DTS on consecutive fragments. let's use nextAvcDts to overcome this if fragments are consecutive\n if (isSafari) {\n // also consider consecutive fragments as being contiguous (even if a level switch occurs),\n // for sake of clarity:\n // consecutive fragments are frags with\n // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR\n // - less than 200 ms PTS gaps (timeScale/5)\n contiguous |= (inputSamples.length && nextAvcDts &&\n ((accurateTimeOffset && Math.abs(timeOffset - nextAvcDts / timeScale) < 0.1) ||\n Math.abs((inputSamples[0].pts - nextAvcDts - initPTS)) < timeScale / 5)\n );\n }\n\n if (!contiguous) {\n // if not contiguous, let's use target timeOffset\n nextAvcDts = timeOffset * timeScale;\n }\n\n // PTS is coded on 33bits, and can loop from -2^32 to 2^32\n // ptsNormalize will make PTS/DTS value monotonic, we use last known DTS value as reference value\n inputSamples.forEach(function (sample) {\n sample.pts = ptsNormalize(sample.pts - initPTS, nextAvcDts);\n sample.dts = ptsNormalize(sample.dts - initPTS, nextAvcDts);\n });\n\n // sort video samples by DTS then PTS then demux id order\n inputSamples.sort(function (a, b) {\n const deltadts = a.dts - b.dts;\n const deltapts = a.pts - b.pts;\n return deltadts || (deltapts || (a.id - b.id));\n });\n\n // handle broken streams with PTS < DTS, tolerance up 0.2 seconds\n let PTSDTSshift = inputSamples.reduce((prev, curr) => Math.max(Math.min(prev, curr.pts - curr.dts), -1 * PTS_DTS_SHIFT_TOLERANCE_90KHZ), 0);\n if (PTSDTSshift < 0) {\n logger.warn(`PTS < DTS detected in video samples, shifting DTS by ${toMsFromMpegTsClock(PTSDTSshift, true)} ms to overcome this issue`);\n for (let i = 0; i < inputSamples.length; i++) {\n inputSamples[i].dts += PTSDTSshift;\n }\n }\n\n // compute first DTS and last DTS, normalize them against reference value\n let sample = inputSamples[0];\n firstDTS = Math.max(sample.dts, 0);\n firstPTS = Math.max(sample.pts, 0);\n\n // check timestamp continuity accross consecutive fragments (this is to remove inter-fragment gap/hole)\n let delta = firstDTS - nextAvcDts;\n // if fragment are contiguous, detect hole/overlapping between fragments\n if (contiguous) {\n if (delta) {\n if (delta > 1) {\n logger.log(`AVC: ${toMsFromMpegTsClock(delta, true)} ms hole between fragments detected,filling it`);\n } else if (delta < -1) {\n logger.log(`AVC: ${toMsFromMpegTsClock(-delta, true)} ms overlapping between fragments detected`);\n }\n\n // remove hole/gap : set DTS to next expected DTS\n firstDTS = nextAvcDts;\n inputSamples[0].dts = firstDTS;\n // offset PTS as well, ensure that PTS is smaller or equal than new DTS\n firstPTS = Math.max(firstPTS - delta, nextAvcDts);\n inputSamples[0].pts = firstPTS;\n logger.log(`Video: PTS/DTS adjusted: ${toMsFromMpegTsClock(firstPTS, true)}/${toMsFromMpegTsClock(firstDTS, true)}, delta: ${toMsFromMpegTsClock(delta, true)} ms`);\n }\n }\n\n // compute lastPTS/lastDTS\n sample = inputSamples[inputSamples.length - 1];\n lastDTS = Math.max(sample.dts, 0);\n lastPTS = Math.max(sample.pts, 0, lastDTS);\n\n // on Safari let's signal the same sample duration for all samples\n // sample duration (as expected by trun MP4 boxes), should be the delta between sample DTS\n // set this constant duration as being the avg delta between consecutive DTS.\n if (isSafari) {\n mp4SampleDuration = Math.round((lastDTS - firstDTS) / (inputSamples.length - 1));\n }\n\n let nbNalu = 0, naluLen = 0;\n for (let i = 0; i < nbSamples; i++) {\n // compute total/avc sample length and nb of NAL units\n let sample = inputSamples[i], units = sample.units, nbUnits = units.length, sampleLen = 0;\n for (let j = 0; j < nbUnits; j++) {\n sampleLen += units[j].data.length;\n }\n\n naluLen += sampleLen;\n nbNalu += nbUnits;\n sample.length = sampleLen;\n\n // normalize PTS/DTS\n if (isSafari) {\n // sample DTS is computed using a constant decoding offset (mp4SampleDuration) between samples\n sample.dts = firstDTS + i * mp4SampleDuration;\n } else {\n // ensure sample monotonic DTS\n sample.dts = Math.max(sample.dts, firstDTS);\n }\n // ensure that computed value is greater or equal than sample DTS\n sample.pts = Math.max(sample.pts, sample.dts);\n }\n\n /* concatenate the video data and construct the mdat in place\n (need 8 more bytes to fill length and mpdat type) */\n let mdatSize = naluLen + (4 * nbNalu) + 8;\n try {\n mdat = new Uint8Array(mdatSize);\n } catch (err) {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MUX_ERROR, details: ErrorDetails.REMUX_ALLOC_ERROR, fatal: false, bytes: mdatSize, reason: `fail allocating video mdat ${mdatSize}` });\n return;\n }\n let view = new DataView(mdat.buffer);\n view.setUint32(0, mdatSize);\n mdat.set(MP4.types.mdat, 4);\n\n for (let i = 0; i < nbSamples; i++) {\n let avcSample = inputSamples[i],\n avcSampleUnits = avcSample.units,\n mp4SampleLength = 0,\n compositionTimeOffset;\n // convert NALU bitstream to MP4 format (prepend NALU with size field)\n for (let j = 0, nbUnits = avcSampleUnits.length; j < nbUnits; j++) {\n let unit = avcSampleUnits[j],\n unitData = unit.data,\n unitDataLen = unit.data.byteLength;\n view.setUint32(offset, unitDataLen);\n offset += 4;\n mdat.set(unitData, offset);\n offset += unitDataLen;\n mp4SampleLength += 4 + unitDataLen;\n }\n\n if (!isSafari) {\n // expected sample duration is the Decoding Timestamp diff of consecutive samples\n if (i < nbSamples - 1) {\n mp4SampleDuration = inputSamples[i + 1].dts - avcSample.dts;\n } else {\n let config = this.config,\n lastFrameDuration = avcSample.dts - inputSamples[i > 0 ? i - 1 : i].dts;\n if (config.stretchShortVideoTrack) {\n // In some cases, a segment's audio track duration may exceed the video track duration.\n // Since we've already remuxed audio, and we know how long the audio track is, we look to\n // see if the delta to the next segment is longer than maxBufferHole.\n // If so, playback would potentially get stuck, so we artificially inflate\n // the duration of the last frame to minimize any potential gap between segments.\n let maxBufferHole = config.maxBufferHole,\n gapTolerance = Math.floor(maxBufferHole * timeScale),\n deltaToFrameEnd = (audioTrackLength ? firstPTS + audioTrackLength * timeScale : this.nextAudioPts) - avcSample.pts;\n if (deltaToFrameEnd > gapTolerance) {\n // We subtract lastFrameDuration from deltaToFrameEnd to try to prevent any video\n // frame overlap. maxBufferHole should be >> lastFrameDuration anyway.\n mp4SampleDuration = deltaToFrameEnd - lastFrameDuration;\n if (mp4SampleDuration < 0) {\n mp4SampleDuration = lastFrameDuration;\n }\n\n logger.log(`It is approximately ${toMsFromMpegTsClock(deltaToFrameEnd, false)} ms to the next segment; using duration ${toMsFromMpegTsClock(mp4SampleDuration, false)} ms for the last video frame.`);\n } else {\n mp4SampleDuration = lastFrameDuration;\n }\n } else {\n mp4SampleDuration = lastFrameDuration;\n }\n }\n compositionTimeOffset = Math.round(avcSample.pts - avcSample.dts);\n } else {\n compositionTimeOffset = Math.max(0, mp4SampleDuration * Math.round((avcSample.pts - avcSample.dts) / mp4SampleDuration));\n }\n\n // console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${avcSample.pts}/${avcSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(avcSample.pts/4294967296).toFixed(3)}');\n outputSamples.push({\n size: mp4SampleLength,\n // constant duration\n duration: mp4SampleDuration,\n cts: compositionTimeOffset,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: avcSample.key ? 2 : 1,\n isNonSync: avcSample.key ? 0 : 1\n }\n });\n }\n // next AVC sample DTS should be equal to last sample DTS + last sample duration (in PES timescale)\n this.nextAvcDts = lastDTS + mp4SampleDuration;\n let dropped = track.dropped;\n track.nbNalu = 0;\n track.dropped = 0;\n if (outputSamples.length && navigator.userAgent.toLowerCase().indexOf('chrome') > -1) {\n let flags = outputSamples[0].flags;\n // chrome workaround, mark first sample as being a Random Access Point to avoid sourcebuffer append issue\n // https://code.google.com/p/chromium/issues/detail?id=229412\n flags.dependsOn = 2;\n flags.isNonSync = 0;\n }\n track.samples = outputSamples;\n moof = MP4.moof(track.sequenceNumber++, firstDTS, track);\n track.samples = [];\n\n let data = {\n data1: moof,\n data2: mdat,\n startPTS: firstPTS / timeScale,\n endPTS: (lastPTS + mp4SampleDuration) / timeScale,\n startDTS: firstDTS / timeScale,\n endDTS: this.nextAvcDts / timeScale,\n type: 'video',\n hasAudio: false,\n hasVideo: true,\n nb: outputSamples.length,\n dropped: dropped\n };\n this.observer.trigger(Event.FRAG_PARSING_DATA, data);\n return data;\n }\n\n remuxAudio (track, timeOffset, contiguous, accurateTimeOffset) {\n const inputTimeScale = track.inputTimeScale;\n const mp4timeScale = track.timescale;\n const scaleFactor = inputTimeScale / mp4timeScale;\n const mp4SampleDuration = track.isAAC ? 1024 : 1152;\n const inputSampleDuration = mp4SampleDuration * scaleFactor;\n const ptsNormalize = this._PTSNormalize;\n const initPTS = this._initPTS;\n const rawMPEG = !track.isAAC && this.typeSupported.mpeg;\n\n let mp4Sample;\n let fillFrame;\n let mdat;\n let moof;\n let firstPTS;\n let lastPTS;\n let offset = (rawMPEG ? 0 : 8);\n let inputSamples = track.samples;\n let outputSamples = [];\n let nextAudioPts = this.nextAudioPts;\n\n // for audio samples, also consider consecutive fragments as being contiguous (even if a level switch occurs),\n // for sake of clarity:\n // consecutive fragments are frags with\n // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR\n // - less than 20 audio frames distance\n // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1)\n // this helps ensuring audio continuity\n // and this also avoids audio glitches/cut when switching quality, or reporting wrong duration on first audio frame\n contiguous |= (inputSamples.length && nextAudioPts &&\n ((accurateTimeOffset && Math.abs(timeOffset - nextAudioPts / inputTimeScale) < 0.1) ||\n Math.abs((inputSamples[0].pts - nextAudioPts - initPTS)) < 20 * inputSampleDuration)\n );\n\n // compute normalized PTS\n inputSamples.forEach(function (sample) {\n sample.pts = sample.dts = ptsNormalize(sample.pts - initPTS, timeOffset * inputTimeScale);\n });\n\n // filter out sample with negative PTS that are not playable anyway\n // if we don't remove these negative samples, they will shift all audio samples forward.\n // leading to audio overlap between current / next fragment\n inputSamples = inputSamples.filter(function (sample) {\n return sample.pts >= 0;\n });\n\n // in case all samples have negative PTS, and have been filtered out, return now\n if (inputSamples.length === 0) {\n return;\n }\n\n if (!contiguous) {\n if (!accurateTimeOffset) {\n // if frag are mot contiguous and if we cant trust time offset, let's use first sample PTS as next audio PTS\n nextAudioPts = inputSamples[0].pts;\n } else {\n // if timeOffset is accurate, let's use it as predicted next audio PTS\n nextAudioPts = timeOffset * inputTimeScale;\n }\n }\n\n // If the audio track is missing samples, the frames seem to get \"left-shifted\" within the\n // resulting mp4 segment, causing sync issues and leaving gaps at the end of the audio segment.\n // In an effort to prevent this from happening, we inject frames here where there are gaps.\n // When possible, we inject a silent frame; when that's not possible, we duplicate the last\n // frame.\n\n if (track.isAAC) {\n const maxAudioFramesDrift = this.config.maxAudioFramesDrift;\n for (let i = 0, nextPts = nextAudioPts; i < inputSamples.length;) {\n // First, let's see how far off this frame is from where we expect it to be\n var sample = inputSamples[i], delta;\n let pts = sample.pts;\n delta = pts - nextPts;\n\n // If we're overlapping by more than a duration, drop this sample\n if (delta <= -maxAudioFramesDrift * inputSampleDuration) {\n logger.warn(`Dropping 1 audio frame @ ${toMsFromMpegTsClock(nextPts, true)} ms due to ${toMsFromMpegTsClock(delta, true)} ms overlap.`);\n inputSamples.splice(i, 1);\n // Don't touch nextPtsNorm or i\n } // eslint-disable-line brace-style\n\n // Insert missing frames if:\n // 1: We're more than maxAudioFramesDrift frame away\n // 2: Not more than MAX_SILENT_FRAME_DURATION away\n // 3: currentTime (aka nextPtsNorm) is not 0\n else if (delta >= maxAudioFramesDrift * inputSampleDuration && delta < MAX_SILENT_FRAME_DURATION_90KHZ && nextPts) {\n let missing = Math.round(delta / inputSampleDuration);\n logger.warn(`Injecting ${missing} audio frames @ ${toMsFromMpegTsClock(nextPts, true)} ms due to ${toMsFromMpegTsClock(nextPts, true)} ms gap.`);\n for (let j = 0; j < missing; j++) {\n let newStamp = Math.max(nextPts, 0);\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n logger.log('Unable to get silent frame for given audio codec; duplicating last frame instead.');\n fillFrame = sample.unit.subarray();\n }\n inputSamples.splice(i, 0, { unit: fillFrame, pts: newStamp, dts: newStamp });\n nextPts += inputSampleDuration;\n i++;\n }\n\n // Adjust sample to next expected pts\n sample.pts = sample.dts = nextPts;\n nextPts += inputSampleDuration;\n i++;\n } else {\n // Otherwise, just adjust pts\n if (Math.abs(delta) > (0.1 * inputSampleDuration)) {\n // logger.log(`Invalid frame delta ${Math.round(delta + inputSampleDuration)} at PTS ${Math.round(pts / 90)} (should be ${Math.round(inputSampleDuration)}).`);\n }\n sample.pts = sample.dts = nextPts;\n nextPts += inputSampleDuration;\n i++;\n }\n }\n }\n\n // compute mdat size, as we eventually filtered/added some samples\n let nbSamples = inputSamples.length;\n let mdatSize = 0;\n while (nbSamples--) {\n mdatSize += inputSamples[nbSamples].unit.byteLength;\n }\n\n for (let j = 0, nbSamples = inputSamples.length; j < nbSamples; j++) {\n let audioSample = inputSamples[j];\n let unit = audioSample.unit;\n let pts = audioSample.pts;\n\n // logger.log(`Audio/PTS:${toMsFromMpegTsClock(pts, true)}`);\n // if not first sample\n\n if (lastPTS !== undefined) {\n mp4Sample.duration = Math.round((pts - lastPTS) / scaleFactor);\n } else {\n let delta = pts - nextAudioPts;\n let numMissingFrames = 0;\n\n // if fragment are contiguous, detect hole/overlapping between fragments\n // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1)\n if (contiguous && track.isAAC) {\n // log delta\n if (delta) {\n if (delta > 0 && delta < MAX_SILENT_FRAME_DURATION_90KHZ) {\n // Q: why do we have to round here, shouldn't this always result in an integer if timestamps are correct,\n // and if not, shouldn't we actually Math.ceil() instead?\n numMissingFrames = Math.round((pts - nextAudioPts) / inputSampleDuration);\n\n logger.log(`${toMsFromMpegTsClock(delta, true)} ms hole between AAC samples detected,filling it`);\n if (numMissingFrames > 0) {\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n fillFrame = unit.subarray();\n }\n\n mdatSize += numMissingFrames * fillFrame.length;\n }\n // if we have frame overlap, overlapping for more than half a frame duraion\n } else if (delta < -12) {\n // drop overlapping audio frames... browser will deal with it\n logger.log(`drop overlapping AAC sample, expected/parsed/delta: ${toMsFromMpegTsClock(nextAudioPts, true)} ms / ${toMsFromMpegTsClock(pts, true)} ms / ${toMsFromMpegTsClock(-delta, true)} ms`);\n mdatSize -= unit.byteLength;\n continue;\n }\n // set PTS/DTS to expected PTS/DTS\n pts = nextAudioPts;\n }\n }\n // remember first PTS of our audioSamples\n firstPTS = pts;\n if (mdatSize > 0) {\n mdatSize += offset;\n try {\n mdat = new Uint8Array(mdatSize);\n } catch (err) {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MUX_ERROR, details: ErrorDetails.REMUX_ALLOC_ERROR, fatal: false, bytes: mdatSize, reason: `fail allocating audio mdat ${mdatSize}` });\n return;\n }\n if (!rawMPEG) {\n const view = new DataView(mdat.buffer);\n view.setUint32(0, mdatSize);\n mdat.set(MP4.types.mdat, 4);\n }\n } else {\n // no audio samples\n return;\n }\n for (let i = 0; i < numMissingFrames; i++) {\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n logger.log('Unable to get silent frame for given audio codec; duplicating this frame instead.');\n fillFrame = unit.subarray();\n }\n mdat.set(fillFrame, offset);\n offset += fillFrame.byteLength;\n mp4Sample = {\n size: fillFrame.byteLength,\n cts: 0,\n duration: 1024,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: 1\n }\n };\n outputSamples.push(mp4Sample);\n }\n }\n mdat.set(unit, offset);\n let unitLen = unit.byteLength;\n offset += unitLen;\n // console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${audioSample.pts}/${audioSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(audioSample.pts/4294967296).toFixed(3)}');\n mp4Sample = {\n size: unitLen,\n cts: 0,\n duration: 0,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: 1\n }\n };\n outputSamples.push(mp4Sample);\n lastPTS = pts;\n }\n let lastSampleDuration = 0;\n nbSamples = outputSamples.length;\n // set last sample duration as being identical to previous sample\n if (nbSamples >= 2) {\n lastSampleDuration = outputSamples[nbSamples - 2].duration;\n mp4Sample.duration = lastSampleDuration;\n }\n if (nbSamples) {\n // next audio sample PTS should be equal to last sample PTS + duration\n this.nextAudioPts = nextAudioPts = lastPTS + scaleFactor * lastSampleDuration;\n // logger.log('Audio/PTS/PTSend:' + audioSample.pts.toFixed(0) + '/' + this.nextAacDts.toFixed(0));\n track.samples = outputSamples;\n if (rawMPEG) {\n moof = new Uint8Array();\n } else {\n moof = MP4.moof(track.sequenceNumber++, firstPTS / scaleFactor, track);\n }\n\n track.samples = [];\n const start = firstPTS / inputTimeScale;\n const end = nextAudioPts / inputTimeScale;\n const audioData = {\n data1: moof,\n data2: mdat,\n startPTS: start,\n endPTS: end,\n startDTS: start,\n endDTS: end,\n type: 'audio',\n hasAudio: true,\n hasVideo: false,\n nb: nbSamples\n };\n this.observer.trigger(Event.FRAG_PARSING_DATA, audioData);\n return audioData;\n }\n return null;\n }\n\n remuxEmptyAudio (track, timeOffset, contiguous, videoData) {\n let inputTimeScale = track.inputTimeScale;\n let mp4timeScale = track.samplerate ? track.samplerate : inputTimeScale;\n let scaleFactor = inputTimeScale / mp4timeScale;\n let nextAudioPts = this.nextAudioPts;\n\n // sync with video's timestamp\n let startDTS = (nextAudioPts !== undefined ? nextAudioPts : videoData.startDTS * inputTimeScale) + this._initDTS;\n let endDTS = videoData.endDTS * inputTimeScale + this._initDTS;\n // one sample's duration value\n let sampleDuration = 1024;\n let frameDuration = scaleFactor * sampleDuration;\n\n // samples count of this segment's duration\n let nbSamples = Math.ceil((endDTS - startDTS) / frameDuration);\n\n // silent frame\n let silentFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n\n logger.warn('remux empty Audio');\n // Can't remux if we can't generate a silent frame...\n if (!silentFrame) {\n logger.trace('Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!');\n return;\n }\n\n let samples = [];\n for (let i = 0; i < nbSamples; i++) {\n let stamp = startDTS + i * frameDuration;\n samples.push({ unit: silentFrame, pts: stamp, dts: stamp });\n }\n track.samples = samples;\n\n this.remuxAudio(track, timeOffset, contiguous);\n }\n\n remuxID3 (track) {\n let length = track.samples.length, sample;\n const inputTimeScale = track.inputTimeScale;\n const initPTS = this._initPTS;\n const initDTS = this._initDTS;\n // consume samples\n if (length) {\n for (let index = 0; index < length; index++) {\n sample = track.samples[index];\n // setting id3 pts, dts to relative time\n // using this._initPTS and this._initDTS to calculate relative time\n sample.pts = ((sample.pts - initPTS) / inputTimeScale);\n sample.dts = ((sample.dts - initDTS) / inputTimeScale);\n }\n this.observer.trigger(Event.FRAG_PARSING_METADATA, {\n samples: track.samples\n });\n }\n\n track.samples = [];\n }\n\n remuxText (track) {\n track.samples.sort(function (a, b) {\n return (a.pts - b.pts);\n });\n\n let length = track.samples.length, sample;\n const inputTimeScale = track.inputTimeScale;\n const initPTS = this._initPTS;\n // consume samples\n if (length) {\n for (let index = 0; index < length; index++) {\n sample = track.samples[index];\n // setting text pts, dts to relative time\n // using this._initPTS and this._initDTS to calculate relative time\n sample.pts = ((sample.pts - initPTS) / inputTimeScale);\n }\n this.observer.trigger(Event.FRAG_PARSING_USERDATA, {\n samples: track.samples\n });\n }\n\n track.samples = [];\n }\n\n _PTSNormalize (value, reference) {\n let offset;\n if (reference === undefined) {\n return value;\n }\n\n if (reference < value) {\n // - 2^33\n offset = -8589934592;\n } else {\n // + 2^33\n offset = 8589934592;\n }\n /* PTS is 33bit (from 0 to 2^33 -1)\n if diff between value and reference is bigger than half of the amplitude (2^32) then it means that\n PTS looping occured. fill the gap */\n while (Math.abs(value - reference) > 4294967296) {\n value += offset;\n }\n\n return value;\n }\n}\n\nexport default MP4Remuxer;\n","/**\n * passthrough remuxer\n*/\nimport Event from '../events';\n\nclass PassThroughRemuxer {\n constructor (observer) {\n this.observer = observer;\n }\n\n destroy () {\n }\n\n resetTimeStamp () {\n }\n\n resetInitSegment () {\n }\n\n remux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset, rawData) {\n let observer = this.observer;\n let streamType = '';\n if (audioTrack) {\n streamType += 'audio';\n }\n\n if (videoTrack) {\n streamType += 'video';\n }\n\n observer.trigger(Event.FRAG_PARSING_DATA, {\n data1: rawData,\n startPTS: timeOffset,\n startDTS: timeOffset,\n type: streamType,\n hasAudio: !!audioTrack,\n hasVideo: !!videoTrack,\n nb: 1,\n dropped: 0\n });\n // notify end of parsing\n observer.trigger(Event.FRAG_PARSED);\n }\n}\n\nexport default PassThroughRemuxer;\n","/**\n *\n * inline demuxer: probe fragments and instantiate\n * appropriate demuxer depending on content type (TSDemuxer, AACDemuxer, ...)\n *\n */\n\nimport Event from '../events';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport Decrypter from '../crypt/decrypter';\nimport AACDemuxer from '../demux/aacdemuxer';\nimport MP4Demuxer from '../demux/mp4demuxer';\nimport TSDemuxer from '../demux/tsdemuxer';\nimport MP3Demuxer from '../demux/mp3demuxer';\nimport MP4Remuxer from '../remux/mp4-remuxer';\nimport PassThroughRemuxer from '../remux/passthrough-remuxer';\n\nimport { getSelfScope } from '../utils/get-self-scope';\nimport { logger } from '../utils/logger';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n\nlet now;\n// performance.now() not available on WebWorker, at least on Safari Desktop\ntry {\n now = global.performance.now.bind(global.performance);\n} catch (err) {\n logger.debug('Unable to use Performance API on this environment');\n now = global.Date.now;\n}\n\nclass DemuxerInline {\n constructor (observer, typeSupported, config, vendor) {\n this.observer = observer;\n this.typeSupported = typeSupported;\n this.config = config;\n this.vendor = vendor;\n }\n\n destroy () {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.destroy();\n }\n }\n\n push (data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) {\n if ((data.byteLength > 0) && (decryptdata != null) && (decryptdata.key != null) && (decryptdata.method === 'AES-128')) {\n let decrypter = this.decrypter;\n if (decrypter == null) {\n decrypter = this.decrypter = new Decrypter(this.observer, this.config);\n }\n\n const startTime = now();\n decrypter.decrypt(data, decryptdata.key.buffer, decryptdata.iv.buffer, (decryptedData) => {\n const endTime = now();\n this.observer.trigger(Event.FRAG_DECRYPTED, { stats: { tstart: startTime, tdecrypt: endTime } });\n this.pushDecrypted(new Uint8Array(decryptedData), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n });\n } else {\n this.pushDecrypted(new Uint8Array(data), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n }\n }\n\n pushDecrypted (data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) {\n let demuxer = this.demuxer;\n if (!demuxer ||\n // in case of continuity change, or track switch\n // we might switch from content type (AAC container to TS container, or TS to fmp4 for example)\n // so let's check that current demuxer is still valid\n ((discontinuity || trackSwitch) && !this.probe(data))) {\n const observer = this.observer;\n const typeSupported = this.typeSupported;\n const config = this.config;\n // probing order is TS/MP4/AAC/MP3\n const muxConfig = [\n { demux: TSDemuxer, remux: MP4Remuxer },\n { demux: MP4Demuxer, remux: PassThroughRemuxer },\n { demux: AACDemuxer, remux: MP4Remuxer },\n { demux: MP3Demuxer, remux: MP4Remuxer }\n ];\n\n // probe for content type\n for (let i = 0, len = muxConfig.length; i < len; i++) {\n const mux = muxConfig[i];\n const probe = mux.demux.probe;\n if (probe(data)) {\n const remuxer = this.remuxer = new mux.remux(observer, config, typeSupported, this.vendor);\n demuxer = new mux.demux(observer, remuxer, config, typeSupported);\n this.probe = probe;\n break;\n }\n }\n if (!demuxer) {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: true, reason: 'no demux matching with content found' });\n return;\n }\n this.demuxer = demuxer;\n }\n const remuxer = this.remuxer;\n\n if (discontinuity || trackSwitch) {\n demuxer.resetInitSegment(initSegment, audioCodec, videoCodec, duration);\n remuxer.resetInitSegment();\n }\n if (discontinuity) {\n demuxer.resetTimeStamp(defaultInitPTS);\n remuxer.resetTimeStamp(defaultInitPTS);\n }\n if (typeof demuxer.setDecryptData === 'function') {\n demuxer.setDecryptData(decryptdata);\n }\n\n demuxer.append(data, timeOffset, contiguous, accurateTimeOffset);\n }\n}\n\nexport default DemuxerInline;\n","/* demuxer web worker.\n * - listen to worker message, and trigger DemuxerInline upon reception of Fragments.\n * - provides MP4 Boxes back to main thread using [transferable objects](https://developers.google.com/web/updates/2011/12/Transferable-Objects-Lightning-Fast) in order to minimize message passing overhead.\n */\n\nimport DemuxerInline from '../demux/demuxer-inline';\nimport Event from '../events';\nimport { enableLogs } from '../utils/logger';\n\nimport { EventEmitter } from 'eventemitter3';\n\nlet DemuxerWorker = function (self) {\n // observer setup\n let observer = new EventEmitter();\n observer.trigger = function trigger (event, ...data) {\n observer.emit(event, event, ...data);\n };\n\n observer.off = function off (event, ...data) {\n observer.removeListener(event, ...data);\n };\n\n let forwardMessage = function (ev, data) {\n self.postMessage({ event: ev, data: data });\n };\n\n self.addEventListener('message', function (ev) {\n let data = ev.data;\n // console.log('demuxer cmd:' + data.cmd);\n switch (data.cmd) {\n case 'init':\n const config = JSON.parse(data.config);\n self.demuxer = new DemuxerInline(observer, data.typeSupported, config, data.vendor);\n\n enableLogs(config.debug);\n\n // signal end of worker init\n forwardMessage('init', null);\n break;\n case 'demux':\n self.demuxer.push(data.data, data.decryptdata, data.initSegment, data.audioCodec, data.videoCodec, data.timeOffset, data.discontinuity, data.trackSwitch, data.contiguous, data.duration, data.accurateTimeOffset, data.defaultInitPTS);\n break;\n default:\n break;\n }\n });\n\n // forward events to main thread\n observer.on(Event.FRAG_DECRYPTED, forwardMessage);\n observer.on(Event.FRAG_PARSING_INIT_SEGMENT, forwardMessage);\n observer.on(Event.FRAG_PARSED, forwardMessage);\n observer.on(Event.ERROR, forwardMessage);\n observer.on(Event.FRAG_PARSING_METADATA, forwardMessage);\n observer.on(Event.FRAG_PARSING_USERDATA, forwardMessage);\n observer.on(Event.INIT_PTS_FOUND, forwardMessage);\n\n // special case for FRAG_PARSING_DATA: pass data1/data2 as transferable object (no copy)\n observer.on(Event.FRAG_PARSING_DATA, function (ev, data) {\n let transferable = [];\n let message = { event: ev, data: data };\n if (data.data1) {\n message.data1 = data.data1.buffer;\n transferable.push(data.data1.buffer);\n delete data.data1;\n }\n if (data.data2) {\n message.data2 = data.data2.buffer;\n transferable.push(data.data2.buffer);\n delete data.data2;\n }\n self.postMessage(message, transferable);\n });\n};\n\nexport default DemuxerWorker;\n","import { getSelfScope } from '../utils/get-self-scope';\n\n/**\n * ID3 parser\n */\nclass ID3 {\n /**\n * Returns true if an ID3 header can be found at offset in data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {boolean} - True if an ID3 header is found\n */\n static isHeader (data, offset) {\n /*\n * http://id3.org/id3v2.3.0\n * [0] = 'I'\n * [1] = 'D'\n * [2] = '3'\n * [3,4] = {Version}\n * [5] = {Flags}\n * [6-9] = {ID3 Size}\n *\n * An ID3v2 tag can be detected with the following pattern:\n * $49 44 33 yy yy xx zz zz zz zz\n * Where yy is less than $FF, xx is the 'flags' byte and zz is less than $80\n */\n if (offset + 10 <= data.length) {\n // look for 'ID3' identifier\n if (data[offset] === 0x49 && data[offset + 1] === 0x44 && data[offset + 2] === 0x33) {\n // check version is within range\n if (data[offset + 3] < 0xFF && data[offset + 4] < 0xFF) {\n // check size is within range\n if (data[offset + 6] < 0x80 && data[offset + 7] < 0x80 && data[offset + 8] < 0x80 && data[offset + 9] < 0x80) {\n return true;\n }\n }\n }\n }\n\n return false;\n }\n\n /**\n * Returns true if an ID3 footer can be found at offset in data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {boolean} - True if an ID3 footer is found\n */\n static isFooter (data, offset) {\n /*\n * The footer is a copy of the header, but with a different identifier\n */\n if (offset + 10 <= data.length) {\n // look for '3DI' identifier\n if (data[offset] === 0x33 && data[offset + 1] === 0x44 && data[offset + 2] === 0x49) {\n // check version is within range\n if (data[offset + 3] < 0xFF && data[offset + 4] < 0xFF) {\n // check size is within range\n if (data[offset + 6] < 0x80 && data[offset + 7] < 0x80 && data[offset + 8] < 0x80 && data[offset + 9] < 0x80) {\n return true;\n }\n }\n }\n }\n\n return false;\n }\n\n /**\n * Returns any adjacent ID3 tags found in data starting at offset, as one block of data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {Uint8Array} - The block of data containing any ID3 tags found\n */\n static getID3Data (data, offset) {\n const front = offset;\n let length = 0;\n\n while (ID3.isHeader(data, offset)) {\n // ID3 header is 10 bytes\n length += 10;\n\n const size = ID3._readSize(data, offset + 6);\n length += size;\n\n if (ID3.isFooter(data, offset + 10)) {\n // ID3 footer is 10 bytes\n length += 10;\n }\n\n offset += length;\n }\n\n if (length > 0) {\n return data.subarray(front, front + length);\n }\n\n return undefined;\n }\n\n static _readSize (data, offset) {\n let size = 0;\n size = ((data[offset] & 0x7f) << 21);\n size |= ((data[offset + 1] & 0x7f) << 14);\n size |= ((data[offset + 2] & 0x7f) << 7);\n size |= (data[offset + 3] & 0x7f);\n return size;\n }\n\n /**\n * Searches for the Elementary Stream timestamp found in the ID3 data chunk\n * @param {Uint8Array} data - Block of data containing one or more ID3 tags\n * @return {number} - The timestamp\n */\n static getTimeStamp (data) {\n const frames = ID3.getID3Frames(data);\n for (let i = 0; i < frames.length; i++) {\n const frame = frames[i];\n if (ID3.isTimeStampFrame(frame)) {\n return ID3._readTimeStamp(frame);\n }\n }\n\n return undefined;\n }\n\n /**\n * Returns true if the ID3 frame is an Elementary Stream timestamp frame\n * @param {ID3 frame} frame\n */\n static isTimeStampFrame (frame) {\n return (frame && frame.key === 'PRIV' && frame.info === 'com.apple.streaming.transportStreamTimestamp');\n }\n\n static _getFrameData (data) {\n /*\n Frame ID $xx xx xx xx (four characters)\n Size $xx xx xx xx\n Flags $xx xx\n */\n const type = String.fromCharCode(data[0], data[1], data[2], data[3]);\n const size = ID3._readSize(data, 4);\n\n // skip frame id, size, and flags\n let offset = 10;\n\n return { type, size, data: data.subarray(offset, offset + size) };\n }\n\n /**\n * Returns an array of ID3 frames found in all the ID3 tags in the id3Data\n * @param {Uint8Array} id3Data - The ID3 data containing one or more ID3 tags\n * @return {ID3 frame[]} - Array of ID3 frame objects\n */\n static getID3Frames (id3Data) {\n let offset = 0;\n const frames = [];\n\n while (ID3.isHeader(id3Data, offset)) {\n const size = ID3._readSize(id3Data, offset + 6);\n // skip past ID3 header\n offset += 10;\n const end = offset + size;\n // loop through frames in the ID3 tag\n while (offset + 8 < end) {\n const frameData = ID3._getFrameData(id3Data.subarray(offset));\n const frame = ID3._decodeFrame(frameData);\n if (frame) {\n frames.push(frame);\n }\n\n // skip frame header and frame data\n offset += frameData.size + 10;\n }\n\n if (ID3.isFooter(id3Data, offset)) {\n offset += 10;\n }\n }\n\n return frames;\n }\n\n static _decodeFrame (frame) {\n if (frame.type === 'PRIV') {\n return ID3._decodePrivFrame(frame);\n } else if (frame.type[0] === 'T') {\n return ID3._decodeTextFrame(frame);\n } else if (frame.type[0] === 'W') {\n return ID3._decodeURLFrame(frame);\n }\n\n return undefined;\n }\n\n static _readTimeStamp (timeStampFrame) {\n if (timeStampFrame.data.byteLength === 8) {\n const data = new Uint8Array(timeStampFrame.data);\n // timestamp is 33 bit expressed as a big-endian eight-octet number,\n // with the upper 31 bits set to zero.\n const pts33Bit = data[3] & 0x1;\n let timestamp = (data[4] << 23) +\n (data[5] << 15) +\n (data[6] << 7) +\n data[7];\n timestamp /= 45;\n\n if (pts33Bit) {\n timestamp += 47721858.84;\n } // 2^32 / 90\n\n return Math.round(timestamp);\n }\n\n return undefined;\n }\n\n static _decodePrivFrame (frame) {\n /*\n Format: <text string>\\0<binary data>\n */\n if (frame.size < 2) {\n return undefined;\n }\n\n const owner = ID3._utf8ArrayToStr(frame.data, true);\n const privateData = new Uint8Array(frame.data.subarray(owner.length + 1));\n\n return { key: frame.type, info: owner, data: privateData.buffer };\n }\n\n static _decodeTextFrame (frame) {\n if (frame.size < 2) {\n return undefined;\n }\n\n if (frame.type === 'TXXX') {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Description}\\0{Value}\n */\n let index = 1;\n const description = ID3._utf8ArrayToStr(frame.data.subarray(index), true);\n\n index += description.length + 1;\n const value = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n return { key: frame.type, info: description, data: value };\n } else {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Value}\n */\n const text = ID3._utf8ArrayToStr(frame.data.subarray(1));\n return { key: frame.type, data: text };\n }\n }\n\n static _decodeURLFrame (frame) {\n if (frame.type === 'WXXX') {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Description}\\0{URL}\n */\n if (frame.size < 2) {\n return undefined;\n }\n\n let index = 1;\n const description = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n index += description.length + 1;\n const value = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n return { key: frame.type, info: description, data: value };\n } else {\n /*\n Format:\n [0-?] = {URL}\n */\n const url = ID3._utf8ArrayToStr(frame.data);\n return { key: frame.type, data: url };\n }\n }\n\n // http://stackoverflow.com/questions/8936984/uint8array-to-string-in-javascript/22373197\n // http://www.onicos.com/staff/iz/amuse/javascript/expert/utf.txt\n /* utf.js - UTF-8 <=> UTF-16 convertion\n *\n * Copyright (C) 1999 Masanao Izumo <iz@onicos.co.jp>\n * Version: 1.0\n * LastModified: Dec 25 1999\n * This library is free. You can redistribute it and/or modify it.\n */\n static _utf8ArrayToStr (array, exitOnNull = false) {\n const decoder = getTextDecoder();\n if (decoder) {\n const decoded = decoder.decode(array);\n\n if (exitOnNull) {\n // grab up to the first null\n const idx = decoded.indexOf('\\0');\n return idx !== -1 ? decoded.substring(0, idx) : decoded;\n }\n\n // remove any null characters\n return decoded.replace(/\\0/g, '');\n }\n\n const len = array.length;\n let c;\n let char2;\n let char3;\n let out = '';\n let i = 0;\n while (i < len) {\n c = array[i++];\n if (c === 0x00 && exitOnNull) {\n return out;\n } else if (c === 0x00 || c === 0x03) {\n // If the character is 3 (END_OF_TEXT) or 0 (NULL) then skip it\n continue;\n }\n switch (c >> 4) {\n case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:\n // 0xxxxxxx\n out += String.fromCharCode(c);\n break;\n case 12: case 13:\n // 110x xxxx 10xx xxxx\n char2 = array[i++];\n out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F));\n break;\n case 14:\n // 1110 xxxx 10xx xxxx 10xx xxxx\n char2 = array[i++];\n char3 = array[i++];\n out += String.fromCharCode(((c & 0x0F) << 12) |\n ((char2 & 0x3F) << 6) |\n ((char3 & 0x3F) << 0));\n break;\n default:\n }\n }\n return out;\n }\n}\n\nlet decoder;\n\nfunction getTextDecoder () {\n const global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n if (!decoder && typeof global.TextDecoder !== 'undefined') {\n decoder = new global.TextDecoder('utf-8');\n }\n\n return decoder;\n}\n\nconst utf8ArrayToStr = ID3._utf8ArrayToStr;\n\nexport default ID3;\n\nexport { utf8ArrayToStr };\n","/**\n * MP4 demuxer\n */\nimport { logger } from '../utils/logger';\nimport Event from '../events';\n\nconst UINT32_MAX = Math.pow(2, 32) - 1;\n\nclass MP4Demuxer {\n constructor (observer, remuxer) {\n this.observer = observer;\n this.remuxer = remuxer;\n }\n\n resetTimeStamp (initPTS) {\n this.initPTS = initPTS;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n // jshint unused:false\n if (initSegment && initSegment.byteLength) {\n const initData = this.initData = MP4Demuxer.parseInitSegment(initSegment);\n\n // default audio codec if nothing specified\n // TODO : extract that from initsegment\n if (audioCodec == null) {\n audioCodec = 'mp4a.40.5';\n }\n\n if (videoCodec == null) {\n videoCodec = 'avc1.42e01e';\n }\n\n const tracks = {};\n if (initData.audio && initData.video) {\n tracks.audiovideo = { container: 'video/mp4', codec: audioCodec + ',' + videoCodec, initSegment: duration ? initSegment : null };\n } else {\n if (initData.audio) {\n tracks.audio = { container: 'audio/mp4', codec: audioCodec, initSegment: duration ? initSegment : null };\n }\n\n if (initData.video) {\n tracks.video = { container: 'video/mp4', codec: videoCodec, initSegment: duration ? initSegment : null };\n }\n }\n this.observer.trigger(Event.FRAG_PARSING_INIT_SEGMENT, { tracks });\n } else {\n if (audioCodec) {\n this.audioCodec = audioCodec;\n }\n\n if (videoCodec) {\n this.videoCodec = videoCodec;\n }\n }\n }\n\n static probe (data) {\n // ensure we find a moof box in the first 16 kB\n return MP4Demuxer.findBox({ data: data, start: 0, end: Math.min(data.length, 16384) }, ['moof']).length > 0;\n }\n\n static bin2str (buffer) {\n return String.fromCharCode.apply(null, buffer);\n }\n\n static readUint16 (buffer, offset) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n\n const val = buffer[offset] << 8 |\n buffer[offset + 1];\n\n return val < 0 ? 65536 + val : val;\n }\n\n static readUint32 (buffer, offset) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n\n const val = buffer[offset] << 24 |\n buffer[offset + 1] << 16 |\n buffer[offset + 2] << 8 |\n buffer[offset + 3];\n return val < 0 ? 4294967296 + val : val;\n }\n\n static writeUint32 (buffer, offset, value) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n buffer[offset] = value >> 24;\n buffer[offset + 1] = (value >> 16) & 0xff;\n buffer[offset + 2] = (value >> 8) & 0xff;\n buffer[offset + 3] = value & 0xff;\n }\n\n // Find the data for a box specified by its path\n static findBox (data, path) {\n let results = [],\n i, size, type, end, subresults, start, endbox;\n\n if (data.data) {\n start = data.start;\n end = data.end;\n data = data.data;\n } else {\n start = 0;\n end = data.byteLength;\n }\n\n if (!path.length) {\n // short-circuit the search for empty paths\n return null;\n }\n\n for (i = start; i < end;) {\n size = MP4Demuxer.readUint32(data, i);\n type = MP4Demuxer.bin2str(data.subarray(i + 4, i + 8));\n endbox = size > 1 ? i + size : end;\n\n if (type === path[0]) {\n if (path.length === 1) {\n // this is the end of the path and we've found the box we were\n // looking for\n results.push({ data: data, start: i + 8, end: endbox });\n } else {\n // recursively search for the next box along the path\n subresults = MP4Demuxer.findBox({ data: data, start: i + 8, end: endbox }, path.slice(1));\n if (subresults.length) {\n results = results.concat(subresults);\n }\n }\n }\n i = endbox;\n }\n\n // we've finished searching all of data\n return results;\n }\n\n static parseSegmentIndex (initSegment) {\n const moov = MP4Demuxer.findBox(initSegment, ['moov'])[0];\n const moovEndOffset = moov ? moov.end : null; // we need this in case we need to chop of garbage of the end of current data\n\n let index = 0;\n let sidx = MP4Demuxer.findBox(initSegment, ['sidx']);\n let references;\n\n if (!sidx || !sidx[0]) {\n return null;\n }\n\n references = [];\n sidx = sidx[0];\n\n const version = sidx.data[0];\n\n // set initial offset, we skip the reference ID (not needed)\n index = version === 0 ? 8 : 16;\n\n const timescale = MP4Demuxer.readUint32(sidx, index);\n index += 4;\n\n // TODO: parse earliestPresentationTime and firstOffset\n // usually zero in our case\n let earliestPresentationTime = 0;\n let firstOffset = 0;\n\n if (version === 0) {\n index += 8;\n } else {\n index += 16;\n }\n\n // skip reserved\n index += 2;\n\n let startByte = sidx.end + firstOffset;\n\n const referencesCount = MP4Demuxer.readUint16(sidx, index);\n index += 2;\n\n for (let i = 0; i < referencesCount; i++) {\n let referenceIndex = index;\n\n const referenceInfo = MP4Demuxer.readUint32(sidx, referenceIndex);\n referenceIndex += 4;\n\n const referenceSize = referenceInfo & 0x7FFFFFFF;\n const referenceType = (referenceInfo & 0x80000000) >>> 31;\n\n if (referenceType === 1) {\n console.warn('SIDX has hierarchical references (not supported)');\n return;\n }\n\n const subsegmentDuration = MP4Demuxer.readUint32(sidx, referenceIndex);\n referenceIndex += 4;\n\n references.push({\n referenceSize,\n subsegmentDuration, // unscaled\n info: {\n duration: subsegmentDuration / timescale,\n start: startByte,\n end: startByte + referenceSize - 1\n }\n });\n\n startByte += referenceSize;\n\n // Skipping 1 bit for |startsWithSap|, 3 bits for |sapType|, and 28 bits\n // for |sapDelta|.\n referenceIndex += 4;\n\n // skip to next ref\n index = referenceIndex;\n }\n\n return {\n earliestPresentationTime,\n timescale,\n version,\n referencesCount,\n references,\n moovEndOffset\n };\n }\n\n /**\n * Parses an MP4 initialization segment and extracts stream type and\n * timescale values for any declared tracks. Timescale values indicate the\n * number of clock ticks per second to assume for time-based values\n * elsewhere in the MP4.\n *\n * To determine the start time of an MP4, you need two pieces of\n * information: the timescale unit and the earliest base media decode\n * time. Multiple timescales can be specified within an MP4 but the\n * base media decode time is always expressed in the timescale from\n * the media header box for the track:\n * ```\n * moov > trak > mdia > mdhd.timescale\n * moov > trak > mdia > hdlr\n * ```\n * @param init {Uint8Array} the bytes of the init segment\n * @return {object} a hash of track type to timescale values or null if\n * the init segment is malformed.\n */\n static parseInitSegment (initSegment) {\n let result = [];\n let traks = MP4Demuxer.findBox(initSegment, ['moov', 'trak']);\n\n traks.forEach(trak => {\n const tkhd = MP4Demuxer.findBox(trak, ['tkhd'])[0];\n if (tkhd) {\n let version = tkhd.data[tkhd.start];\n let index = version === 0 ? 12 : 20;\n let trackId = MP4Demuxer.readUint32(tkhd, index);\n\n const mdhd = MP4Demuxer.findBox(trak, ['mdia', 'mdhd'])[0];\n if (mdhd) {\n version = mdhd.data[mdhd.start];\n index = version === 0 ? 12 : 20;\n const timescale = MP4Demuxer.readUint32(mdhd, index);\n\n const hdlr = MP4Demuxer.findBox(trak, ['mdia', 'hdlr'])[0];\n if (hdlr) {\n const hdlrType = MP4Demuxer.bin2str(hdlr.data.subarray(hdlr.start + 8, hdlr.start + 12));\n let type = { 'soun': 'audio', 'vide': 'video' }[hdlrType];\n if (type) {\n // extract codec info. TODO : parse codec details to be able to build MIME type\n let codecBox = MP4Demuxer.findBox(trak, ['mdia', 'minf', 'stbl', 'stsd']);\n if (codecBox.length) {\n codecBox = codecBox[0];\n let codecType = MP4Demuxer.bin2str(codecBox.data.subarray(codecBox.start + 12, codecBox.start + 16));\n logger.log(`MP4Demuxer:${type}:${codecType} found`);\n }\n result[trackId] = { timescale: timescale, type: type };\n result[type] = { timescale: timescale, id: trackId };\n }\n }\n }\n }\n });\n return result;\n }\n\n /**\n * Determine the base media decode start time, in seconds, for an MP4\n * fragment. If multiple fragments are specified, the earliest time is\n * returned.\n *\n * The base media decode time can be parsed from track fragment\n * metadata:\n * ```\n * moof > traf > tfdt.baseMediaDecodeTime\n * ```\n * It requires the timescale value from the mdhd to interpret.\n *\n * @param timescale {object} a hash of track ids to timescale values.\n * @return {number} the earliest base media decode start time for the\n * fragment, in seconds\n */\n static getStartDTS (initData, fragment) {\n let trafs, baseTimes, result;\n\n // we need info from two childrend of each track fragment box\n trafs = MP4Demuxer.findBox(fragment, ['moof', 'traf']);\n\n // determine the start times for each track\n baseTimes = [].concat.apply([], trafs.map(function (traf) {\n return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) {\n let id, scale, baseTime;\n\n // get the track id from the tfhd\n id = MP4Demuxer.readUint32(tfhd, 4);\n // assume a 90kHz clock if no timescale was specified\n scale = initData[id].timescale || 90e3;\n\n // get the base media decode time from the tfdt\n baseTime = MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) {\n let version, result;\n\n version = tfdt.data[tfdt.start];\n result = MP4Demuxer.readUint32(tfdt, 4);\n if (version === 1) {\n result *= Math.pow(2, 32);\n\n result += MP4Demuxer.readUint32(tfdt, 8);\n }\n return result;\n })[0];\n // convert base time to seconds\n return baseTime / scale;\n });\n }));\n\n // return the minimum\n result = Math.min.apply(null, baseTimes);\n return isFinite(result) ? result : 0;\n }\n\n static offsetStartDTS (initData, fragment, timeOffset) {\n MP4Demuxer.findBox(fragment, ['moof', 'traf']).map(function (traf) {\n return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) {\n // get the track id from the tfhd\n let id = MP4Demuxer.readUint32(tfhd, 4);\n // assume a 90kHz clock if no timescale was specified\n let timescale = initData[id].timescale || 90e3;\n\n // get the base media decode time from the tfdt\n MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) {\n let version = tfdt.data[tfdt.start];\n let baseMediaDecodeTime = MP4Demuxer.readUint32(tfdt, 4);\n if (version === 0) {\n MP4Demuxer.writeUint32(tfdt, 4, baseMediaDecodeTime - timeOffset * timescale);\n } else {\n baseMediaDecodeTime *= Math.pow(2, 32);\n baseMediaDecodeTime += MP4Demuxer.readUint32(tfdt, 8);\n baseMediaDecodeTime -= timeOffset * timescale;\n baseMediaDecodeTime = Math.max(baseMediaDecodeTime, 0);\n const upper = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1));\n const lower = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1));\n MP4Demuxer.writeUint32(tfdt, 4, upper);\n MP4Demuxer.writeUint32(tfdt, 8, lower);\n }\n });\n });\n });\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let initData = this.initData;\n if (!initData) {\n this.resetInitSegment(data, this.audioCodec, this.videoCodec, false);\n initData = this.initData;\n }\n let startDTS, initPTS = this.initPTS;\n if (initPTS === undefined) {\n let startDTS = MP4Demuxer.getStartDTS(initData, data);\n this.initPTS = initPTS = startDTS - timeOffset;\n this.observer.trigger(Event.INIT_PTS_FOUND, { initPTS: initPTS });\n }\n MP4Demuxer.offsetStartDTS(initData, data, initPTS);\n startDTS = MP4Demuxer.getStartDTS(initData, data);\n this.remuxer.remux(initData.audio, initData.video, null, null, startDTS, contiguous, accurateTimeOffset, data);\n }\n\n destroy () {}\n}\n\nexport default MP4Demuxer;\n","// This file is inserted as a shim for modules which we do not want to include into the distro.\n// This replacement is done in the \"resolve\" section of the webpack config.\nmodule.exports = void 0;\n","export enum ErrorTypes {\n // Identifier for a network error (loading error / timeout ...)\n NETWORK_ERROR = 'networkError',\n // Identifier for a media Error (video/parsing/mediasource error)\n MEDIA_ERROR = 'mediaError',\n // EME (encrypted media extensions) errors\n KEY_SYSTEM_ERROR = 'keySystemError',\n // Identifier for a mux Error (demuxing/remuxing)\n MUX_ERROR = 'muxError',\n // Identifier for all other errors\n OTHER_ERROR = 'otherError'\n}\n\n/**\n * @enum {ErrorDetails}\n * @typedef {string} ErrorDetail\n */\nexport enum ErrorDetails {\n KEY_SYSTEM_NO_KEYS = 'keySystemNoKeys',\n KEY_SYSTEM_NO_ACCESS = 'keySystemNoAccess',\n KEY_SYSTEM_NO_SESSION = 'keySystemNoSession',\n KEY_SYSTEM_LICENSE_REQUEST_FAILED = 'keySystemLicenseRequestFailed',\n KEY_SYSTEM_NO_INIT_DATA = 'keySystemNoInitData',\n // Identifier for a manifest load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n MANIFEST_LOAD_ERROR = 'manifestLoadError',\n // Identifier for a manifest load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n MANIFEST_LOAD_TIMEOUT = 'manifestLoadTimeOut',\n // Identifier for a manifest parsing error - data: { url : faulty URL, reason : error reason}\n MANIFEST_PARSING_ERROR = 'manifestParsingError',\n // Identifier for a manifest with only incompatible codecs error - data: { url : faulty URL, reason : error reason}\n MANIFEST_INCOMPATIBLE_CODECS_ERROR = 'manifestIncompatibleCodecsError',\n // Identifier for a level load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n LEVEL_LOAD_ERROR = 'levelLoadError',\n // Identifier for a level load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n LEVEL_LOAD_TIMEOUT = 'levelLoadTimeOut',\n // Identifier for a level switch error - data: { level : faulty level Id, event : error description}\n LEVEL_SWITCH_ERROR = 'levelSwitchError',\n // Identifier for an audio track load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n AUDIO_TRACK_LOAD_ERROR = 'audioTrackLoadError',\n // Identifier for an audio track load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n AUDIO_TRACK_LOAD_TIMEOUT = 'audioTrackLoadTimeOut',\n // Identifier for fragment load error - data: { frag : fragment object, response : { code: error code, text: error text }}\n FRAG_LOAD_ERROR = 'fragLoadError',\n // Identifier for fragment load timeout error - data: { frag : fragment object}\n FRAG_LOAD_TIMEOUT = 'fragLoadTimeOut',\n // Identifier for a fragment decryption error event - data: {id : demuxer Id,frag: fragment object, reason : parsing error description }\n FRAG_DECRYPT_ERROR = 'fragDecryptError',\n // Identifier for a fragment parsing error event - data: { id : demuxer Id, reason : parsing error description }\n // will be renamed DEMUX_PARSING_ERROR and switched to MUX_ERROR in the next major release\n FRAG_PARSING_ERROR = 'fragParsingError',\n // Identifier for a remux alloc error event - data: { id : demuxer Id, frag : fragment object, bytes : nb of bytes on which allocation failed , reason : error text }\n REMUX_ALLOC_ERROR = 'remuxAllocError',\n // Identifier for decrypt key load error - data: { frag : fragment object, response : { code: error code, text: error text }}\n KEY_LOAD_ERROR = 'keyLoadError',\n // Identifier for decrypt key load timeout error - data: { frag : fragment object}\n KEY_LOAD_TIMEOUT = 'keyLoadTimeOut',\n // Triggered when an exception occurs while adding a sourceBuffer to MediaSource - data : { err : exception , mimeType : mimeType }\n BUFFER_ADD_CODEC_ERROR = 'bufferAddCodecError',\n // Identifier for a buffer append error - data: append error description\n BUFFER_APPEND_ERROR = 'bufferAppendError',\n // Identifier for a buffer appending error event - data: appending error description\n BUFFER_APPENDING_ERROR = 'bufferAppendingError',\n // Identifier for a buffer stalled error event\n BUFFER_STALLED_ERROR = 'bufferStalledError',\n // Identifier for a buffer full event\n BUFFER_FULL_ERROR = 'bufferFullError',\n // Identifier for a buffer seek over hole event\n BUFFER_SEEK_OVER_HOLE = 'bufferSeekOverHole',\n // Identifier for a buffer nudge on stall (playback is stuck although currentTime is in a buffered area)\n BUFFER_NUDGE_ON_STALL = 'bufferNudgeOnStall',\n // Identifier for an internal exception happening inside hls.js while handling an event\n INTERNAL_EXCEPTION = 'internalException'\n}\n","/**\n * @readonly\n * @enum {string}\n */\nconst HlsEvents = {\n // fired before MediaSource is attaching to media element - data: { media }\n MEDIA_ATTACHING: 'hlsMediaAttaching',\n // fired when MediaSource has been succesfully attached to media element - data: { }\n MEDIA_ATTACHED: 'hlsMediaAttached',\n // fired before detaching MediaSource from media element - data: { }\n MEDIA_DETACHING: 'hlsMediaDetaching',\n // fired when MediaSource has been detached from media element - data: { }\n MEDIA_DETACHED: 'hlsMediaDetached',\n // fired when we buffer is going to be reset - data: { }\n BUFFER_RESET: 'hlsBufferReset',\n // fired when we know about the codecs that we need buffers for to push into - data: {tracks : { container, codec, levelCodec, initSegment, metadata }}\n BUFFER_CODECS: 'hlsBufferCodecs',\n // fired when sourcebuffers have been created - data: { tracks : tracks }\n BUFFER_CREATED: 'hlsBufferCreated',\n // fired when we append a segment to the buffer - data: { segment: segment object }\n BUFFER_APPENDING: 'hlsBufferAppending',\n // fired when we are done with appending a media segment to the buffer - data : { parent : segment parent that triggered BUFFER_APPENDING, pending : nb of segments waiting for appending for this segment parent}\n BUFFER_APPENDED: 'hlsBufferAppended',\n // fired when the stream is finished and we want to notify the media buffer that there will be no more data - data: { }\n BUFFER_EOS: 'hlsBufferEos',\n // fired when the media buffer should be flushed - data { startOffset, endOffset }\n BUFFER_FLUSHING: 'hlsBufferFlushing',\n // fired when the media buffer has been flushed - data: { }\n BUFFER_FLUSHED: 'hlsBufferFlushed',\n // fired to signal that a manifest loading starts - data: { url : manifestURL}\n MANIFEST_LOADING: 'hlsManifestLoading',\n // fired after manifest has been loaded - data: { levels : [available quality levels], audioTracks : [ available audio tracks], url : manifestURL, stats : { trequest, tfirst, tload, mtime}}\n MANIFEST_LOADED: 'hlsManifestLoaded',\n // fired after manifest has been parsed - data: { levels : [available quality levels], firstLevel : index of first quality level appearing in Manifest}\n MANIFEST_PARSED: 'hlsManifestParsed',\n // fired when a level switch is requested - data: { level : id of new level }\n LEVEL_SWITCHING: 'hlsLevelSwitching',\n // fired when a level switch is effective - data: { level : id of new level }\n LEVEL_SWITCHED: 'hlsLevelSwitched',\n // fired when a level playlist loading starts - data: { url : level URL, level : id of level being loaded}\n LEVEL_LOADING: 'hlsLevelLoading',\n // fired when a level playlist loading finishes - data: { details : levelDetails object, level : id of loaded level, stats : { trequest, tfirst, tload, mtime} }\n LEVEL_LOADED: 'hlsLevelLoaded',\n // fired when a level's details have been updated based on previous details, after it has been loaded - data: { details : levelDetails object, level : id of updated level }\n LEVEL_UPDATED: 'hlsLevelUpdated',\n // fired when a level's PTS information has been updated after parsing a fragment - data: { details : levelDetails object, level : id of updated level, drift: PTS drift observed when parsing last fragment }\n LEVEL_PTS_UPDATED: 'hlsLevelPtsUpdated',\n // fired when the live back buffer is reached defined by the liveBackBufferLength config option - data : { bufferEnd: number }\n LIVE_BACK_BUFFER_REACHED: 'hlsLiveBackBufferReached',\n // fired to notify that audio track lists has been updated - data: { audioTracks : audioTracks }\n AUDIO_TRACKS_UPDATED: 'hlsAudioTracksUpdated',\n // fired when an audio track switching is requested - data: { id : audio track id }\n AUDIO_TRACK_SWITCHING: 'hlsAudioTrackSwitching',\n // fired when an audio track switch actually occurs - data: { id : audio track id }\n AUDIO_TRACK_SWITCHED: 'hlsAudioTrackSwitched',\n // fired when an audio track loading starts - data: { url : audio track URL, id : audio track id }\n AUDIO_TRACK_LOADING: 'hlsAudioTrackLoading',\n // fired when an audio track loading finishes - data: { details : levelDetails object, id : audio track id, stats : { trequest, tfirst, tload, mtime } }\n AUDIO_TRACK_LOADED: 'hlsAudioTrackLoaded',\n // fired to notify that subtitle track lists has been updated - data: { subtitleTracks : subtitleTracks }\n SUBTITLE_TRACKS_UPDATED: 'hlsSubtitleTracksUpdated',\n // fired when an subtitle track switch occurs - data: { id : subtitle track id }\n SUBTITLE_TRACK_SWITCH: 'hlsSubtitleTrackSwitch',\n // fired when a subtitle track loading starts - data: { url : subtitle track URL, id : subtitle track id }\n SUBTITLE_TRACK_LOADING: 'hlsSubtitleTrackLoading',\n // fired when a subtitle track loading finishes - data: { details : levelDetails object, id : subtitle track id, stats : { trequest, tfirst, tload, mtime } }\n SUBTITLE_TRACK_LOADED: 'hlsSubtitleTrackLoaded',\n // fired when a subtitle fragment has been processed - data: { success : boolean, frag : the processed frag }\n SUBTITLE_FRAG_PROCESSED: 'hlsSubtitleFragProcessed',\n // fired when the first timestamp is found - data: { id : demuxer id, initPTS: initPTS, frag : fragment object }\n INIT_PTS_FOUND: 'hlsInitPtsFound',\n // fired when a fragment loading starts - data: { frag : fragment object }\n FRAG_LOADING: 'hlsFragLoading',\n // fired when a fragment loading is progressing - data: { frag : fragment object, { trequest, tfirst, loaded } }\n FRAG_LOAD_PROGRESS: 'hlsFragLoadProgress',\n // Identifier for fragment load aborting for emergency switch down - data: { frag : fragment object }\n FRAG_LOAD_EMERGENCY_ABORTED: 'hlsFragLoadEmergencyAborted',\n // fired when a fragment loading is completed - data: { frag : fragment object, payload : fragment payload, stats : { trequest, tfirst, tload, length } }\n FRAG_LOADED: 'hlsFragLoaded',\n // fired when a fragment has finished decrypting - data: { id : demuxer id, frag: fragment object, payload : fragment payload, stats : { tstart, tdecrypt } }\n FRAG_DECRYPTED: 'hlsFragDecrypted',\n // fired when Init Segment has been extracted from fragment - data: { id : demuxer id, frag: fragment object, moov : moov MP4 box, codecs : codecs found while parsing fragment }\n FRAG_PARSING_INIT_SEGMENT: 'hlsFragParsingInitSegment',\n // fired when parsing sei text is completed - data: { id : demuxer id, frag: fragment object, samples : [ sei samples pes ] }\n FRAG_PARSING_USERDATA: 'hlsFragParsingUserdata',\n // fired when parsing id3 is completed - data: { id : demuxer id, frag: fragment object, samples : [ id3 samples pes ] }\n FRAG_PARSING_METADATA: 'hlsFragParsingMetadata',\n // fired when data have been extracted from fragment - data: { id : demuxer id, frag: fragment object, data1 : moof MP4 box or TS fragments, data2 : mdat MP4 box or null}\n FRAG_PARSING_DATA: 'hlsFragParsingData',\n // fired when fragment parsing is completed - data: { id : demuxer id, frag: fragment object }\n FRAG_PARSED: 'hlsFragParsed',\n // fired when fragment remuxed MP4 boxes have all been appended into SourceBuffer - data: { id : demuxer id, frag : fragment object, stats : { trequest, tfirst, tload, tparsed, tbuffered, length, bwEstimate } }\n FRAG_BUFFERED: 'hlsFragBuffered',\n // fired when fragment matching with current media position is changing - data : { id : demuxer id, frag : fragment object }\n FRAG_CHANGED: 'hlsFragChanged',\n // Identifier for a FPS drop event - data: { curentDropped, currentDecoded, totalDroppedFrames }\n FPS_DROP: 'hlsFpsDrop',\n // triggered when FPS drop triggers auto level capping - data: { level, droppedlevel }\n FPS_DROP_LEVEL_CAPPING: 'hlsFpsDropLevelCapping',\n // Identifier for an error event - data: { type : error type, details : error details, fatal : if true, hls.js cannot/will not try to recover, if false, hls.js will try to recover,other error specific data }\n ERROR: 'hlsError',\n // fired when hls.js instance starts destroying. Different from MEDIA_DETACHED as one could want to detach and reattach a media to the instance of hls.js to handle mid-rolls for example - data: { }\n DESTROYING: 'hlsDestroying',\n // fired when a decrypt key loading starts - data: { frag : fragment object }\n KEY_LOADING: 'hlsKeyLoading',\n // fired when a decrypt key loading is completed - data: { frag : fragment object, payload : key payload, stats : { trequest, tfirst, tload, length } }\n KEY_LOADED: 'hlsKeyLoaded',\n // fired upon stream controller state transitions - data: { previousState, nextState }\n STREAM_STATE_TRANSITION: 'hlsStreamStateTransition',\n // fired when the live back buffer is reached defined by the liveBackBufferLength config option - data : { bufferEnd: number }\n LIVE_BACK_BUFFER_REACHED: 'hlsLiveBackBufferReached',\n // fired when `seeked` event happens, not fired if current position is outside of the buffered range and config option `seekWithinTolerance` is true\n CAN_PLAY_AFTER_SEEK: 'hlsCanPlayAfterSeek',\n};\n\nexport default HlsEvents;\n","/*\n*\n* All objects in the event handling chain should inherit from this class\n*\n*/\n\nimport { logger } from './utils/logger';\nimport { ErrorTypes, ErrorDetails } from './errors';\nimport Event from './events';\nimport Hls from './hls';\n\nconst FORBIDDEN_EVENT_NAMES = {\n 'hlsEventGeneric': true,\n 'hlsHandlerDestroying': true,\n 'hlsHandlerDestroyed': true\n};\n\nclass EventHandler {\n hls: Hls;\n handledEvents: any[];\n useGenericHandler: boolean;\n\n constructor (hls: Hls, ...events: any[]) {\n this.hls = hls;\n this.onEvent = this.onEvent.bind(this);\n this.handledEvents = events;\n this.useGenericHandler = true;\n\n this.registerListeners();\n }\n\n destroy () {\n this.onHandlerDestroying();\n this.unregisterListeners();\n this.onHandlerDestroyed();\n }\n\n protected onHandlerDestroying () {}\n protected onHandlerDestroyed () {}\n\n isEventHandler () {\n return typeof this.handledEvents === 'object' && this.handledEvents.length && typeof this.onEvent === 'function';\n }\n\n registerListeners () {\n if (this.isEventHandler()) {\n this.handledEvents.forEach(function (event) {\n if (FORBIDDEN_EVENT_NAMES[event]) {\n throw new Error('Forbidden event-name: ' + event);\n }\n\n this.hls.on(event, this.onEvent);\n }, this);\n }\n }\n\n unregisterListeners () {\n if (this.isEventHandler()) {\n this.handledEvents.forEach(function (event) {\n this.hls.off(event, this.onEvent);\n }, this);\n }\n }\n\n /**\n * arguments: event (string), data (any)\n */\n onEvent (event: string, data: any) {\n this.onEventGeneric(event, data);\n }\n\n onEventGeneric (event: string, data: any) {\n let eventToFunction = function (event: string, data: any) {\n let funcName = 'on' + event.replace('hls', '');\n if (typeof this[funcName] !== 'function') {\n throw new Error(`Event ${event} has no generic handler in this ${this.constructor.name} class (tried ${funcName})`);\n }\n\n return this[funcName].bind(this, data);\n };\n try {\n eventToFunction.call(this, event, data).call();\n } catch (err) {\n logger.error(`An internal error happened while handling event ${event}. Error message: \"${err.message}\". Here is a stacktrace:`, err);\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.OTHER_ERROR, details: ErrorDetails.INTERNAL_EXCEPTION, fatal: false, event: event, err: err });\n }\n }\n}\n\nexport default EventHandler;\n","import Level from '../loader/level';\n\nexport interface LoaderContext {\n // target URL\n url: string\n // loader response type (arraybuffer or default response type for playlist)\n responseType: string\n // start byte range offset\n rangeStart?: number\n // end byte range offset\n rangeEnd?: number\n // true if onProgress should report partial chunk of loaded content\n progressData?: boolean\n}\n\nexport interface LoaderConfiguration {\n // Max number of load retries\n maxRetry: number\n // Timeout after which `onTimeOut` callback will be triggered\n // (if loading is still not finished after that delay)\n timeout: number\n // Delay between an I/O error and following connection retry (ms).\n // This to avoid spamming the server\n retryDelay: number\n // max connection retry delay (ms)\n maxRetryDelay: number\n}\n\nexport interface LoaderResponse {\n url: string,\n // TODO(jstackhouse): SharedArrayBuffer, es2017 extension to TS\n data: string | ArrayBuffer\n}\n\nexport interface LoaderStats {\n // performance.now() just after load() has been called\n trequest: number\n // performance.now() of first received byte\n tfirst: number\n // performance.now() on load complete\n tload: number\n // performance.now() on parse completion\n tparsed: number\n // number of loaded bytes\n loaded: number\n // total number of bytes\n total: number\n}\n\ntype LoaderOnSuccess < T extends LoaderContext > = (\n response: LoaderResponse,\n stats: LoaderStats,\n context: T,\n networkDetails: any\n) => void;\n\ntype LoaderOnProgress < T extends LoaderContext > = (\n stats: LoaderStats,\n context: T,\n data: string | ArrayBuffer,\n networkDetails: any,\n) => void;\n\ntype LoaderOnError < T extends LoaderContext > = (\n error: {\n // error status code\n code: number,\n // error description\n text: string,\n },\n context: T,\n networkDetails: any,\n) => void;\n\ntype LoaderOnTimeout < T extends LoaderContext > = (\n stats: LoaderStats,\n context: T,\n) => void;\n\nexport interface LoaderCallbacks<T extends LoaderContext>{\n onSuccess: LoaderOnSuccess<T>,\n onError: LoaderOnError<T>,\n onTimeout: LoaderOnTimeout<T>,\n onProgress?: LoaderOnProgress<T>,\n}\n\nexport interface Loader<T extends LoaderContext> {\n destroy(): void\n abort(): void\n load(\n context: LoaderContext,\n config: LoaderConfiguration,\n callbacks: LoaderCallbacks<T>,\n ): void\n\n context: T\n}\n\n/**\n * `type` property values for this loaders' context object\n * @enum\n *\n */\nexport enum PlaylistContextType {\n MANIFEST = 'manifest',\n LEVEL = 'level',\n AUDIO_TRACK = 'audioTrack',\n SUBTITLE_TRACK= 'subtitleTrack'\n}\n\n/**\n * @enum {string}\n */\nexport enum PlaylistLevelType {\n MAIN = 'main',\n AUDIO = 'audio',\n SUBTITLE = 'subtitle'\n}\n\nexport interface PlaylistLoaderContext extends LoaderContext {\n loader?: Loader<PlaylistLoaderContext>\n\n type: PlaylistContextType\n // the level index to load\n level: number | null\n // TODO: what is id?\n id: number | null\n // defines if the loader is handling a sidx request for the playlist\n isSidxRequest?: boolean\n // internal reprsentation of a parsed m3u8 level playlist\n levelDetails?: Level\n}\n","import { buildAbsoluteURL } from 'url-toolkit';\n\nexport default class LevelKey {\n private _uri: string | null = null;\n\n public baseuri: string;\n public reluri: string;\n public method: string | null = null;\n public key: Uint8Array | null = null;\n public iv: Uint8Array | null = null;\n\n constructor (baseURI: string, relativeURI: string) {\n this.baseuri = baseURI;\n this.reluri = relativeURI;\n }\n\n get uri () {\n if (!this._uri && this.reluri) {\n this._uri = buildAbsoluteURL(this.baseuri, this.reluri, { alwaysNormalize: true });\n }\n\n return this._uri;\n }\n}\n","\nimport { buildAbsoluteURL } from 'url-toolkit';\nimport { logger } from '../utils/logger';\nimport LevelKey from './level-key';\nimport { PlaylistLevelType } from '../types/loader';\n\nexport enum ElementaryStreamTypes {\n AUDIO = 'audio',\n VIDEO = 'video',\n}\n\nexport default class Fragment {\n private _url: string | null = null;\n private _byteRange: number[] | null = null;\n private _decryptdata: LevelKey | null = null;\n\n // Holds the types of data this fragment supports\n private _elementaryStreams: Record<ElementaryStreamTypes, boolean> = {\n [ElementaryStreamTypes.AUDIO]: false,\n [ElementaryStreamTypes.VIDEO]: false\n };\n\n // deltaPTS tracks the change in presentation timestamp between fragments\n public deltaPTS: number = 0;\n\n public rawProgramDateTime: string | null = null;\n public programDateTime: number | null = null;\n public title: string | null = null;\n public tagList: Array<string[]> = [];\n\n // TODO: Move at least baseurl to constructor.\n // Currently we do a two-pass construction as use the Fragment class almost like a object for holding parsing state.\n // It may make more sense to just use a POJO to keep state during the parsing phase.\n // Have Fragment be the representation once we have a known state?\n // Something to think on.\n\n // Discontinuity Counter\n public cc!: number;\n\n public type!: PlaylistLevelType;\n // relurl is the portion of the URL that comes from inside the playlist.\n public relurl!: string;\n // baseurl is the URL to the playlist\n public baseurl!: string;\n // EXTINF has to be present for a m3u8 to be considered valid\n public duration!: number;\n // When this segment starts in the timeline\n public start!: number;\n // sn notates the sequence number for a segment, and if set to a string can be 'initSegment'\n public sn: number | 'initSegment' = 0;\n\n public urlId: number = 0;\n // level matches this fragment to a index playlist\n public level: number = 0;\n // levelkey is the EXT-X-KEY that applies to this segment for decryption\n // core difference from the private field _decryptdata is the lack of the initialized IV\n // _decryptdata will set the IV for this segment based on the segment number in the fragment\n public levelkey?: LevelKey;\n\n // TODO(typescript-xhrloader)\n public loader: any;\n\n // setByteRange converts a EXT-X-BYTERANGE attribute into a two element array\n setByteRange (value: string, previousFrag?: Fragment) {\n const params = value.split('@', 2);\n const byteRange: number[] = [];\n if (params.length === 1) {\n byteRange[0] = previousFrag ? previousFrag.byteRangeEndOffset : 0;\n } else {\n byteRange[0] = parseInt(params[1]);\n }\n byteRange[1] = parseInt(params[0]) + byteRange[0];\n this._byteRange = byteRange;\n }\n\n get url () {\n if (!this._url && this.relurl) {\n this._url = buildAbsoluteURL(this.baseurl, this.relurl, { alwaysNormalize: true });\n }\n\n return this._url;\n }\n\n set url (value) {\n this._url = value;\n }\n\n get byteRange (): number[] {\n if (!this._byteRange) {\n return [];\n }\n\n return this._byteRange;\n }\n\n /**\n * @type {number}\n */\n get byteRangeStartOffset () {\n return this.byteRange[0];\n }\n\n get byteRangeEndOffset () {\n return this.byteRange[1];\n }\n\n get decryptdata (): LevelKey | null {\n if (!this.levelkey && !this._decryptdata) {\n return null;\n }\n\n if (!this._decryptdata && this.levelkey) {\n let sn = this.sn;\n if (typeof sn !== 'number') {\n // We are fetching decryption data for a initialization segment\n // If the segment was encrypted with AES-128\n // It must have an IV defined. We cannot substitute the Segment Number in.\n if (this.levelkey && this.levelkey.method === 'AES-128' && !this.levelkey.iv) {\n logger.warn(`missing IV for initialization segment with method=\"${this.levelkey.method}\" - compliance issue`);\n }\n\n /*\n Be converted to a Number.\n 'initSegment' will become NaN.\n NaN, which when converted through ToInt32() -> +0.\n ---\n Explicitly set sn to resulting value from implicit conversions 'initSegment' values for IV generation.\n */\n sn = 0;\n }\n this._decryptdata = this.setDecryptDataFromLevelKey(this.levelkey, sn);\n }\n\n return this._decryptdata;\n }\n\n get endProgramDateTime () {\n if (this.programDateTime === null) {\n return null;\n }\n\n if (!Number.isFinite(this.programDateTime)) {\n return null;\n }\n\n let duration = !Number.isFinite(this.duration) ? 0 : this.duration;\n\n return this.programDateTime + (duration * 1000);\n }\n\n get encrypted () {\n return !!((this.decryptdata && this.decryptdata.uri !== null) && (this.decryptdata.key === null));\n }\n\n /**\n * @param {ElementaryStreamTypes} type\n */\n addElementaryStream (type: ElementaryStreamTypes) {\n this._elementaryStreams[type] = true;\n }\n\n /**\n * @param {ElementaryStreamTypes} type\n */\n hasElementaryStream (type: ElementaryStreamTypes) {\n return this._elementaryStreams[type] === true;\n }\n\n /**\n * Utility method for parseLevelPlaylist to create an initialization vector for a given segment\n * @param {number} segmentNumber - segment number to generate IV with\n * @returns {Uint8Array}\n */\n createInitializationVector (segmentNumber: number): Uint8Array {\n let uint8View = new Uint8Array(16);\n\n for (let i = 12; i < 16; i++) {\n uint8View[i] = (segmentNumber >> 8 * (15 - i)) & 0xff;\n }\n\n return uint8View;\n }\n\n /**\n * Utility method for parseLevelPlaylist to get a fragment's decryption data from the currently parsed encryption key data\n * @param levelkey - a playlist's encryption info\n * @param segmentNumber - the fragment's segment number\n * @returns {LevelKey} - an object to be applied as a fragment's decryptdata\n */\n setDecryptDataFromLevelKey (levelkey: LevelKey, segmentNumber: number): LevelKey {\n let decryptdata = levelkey;\n\n if (levelkey && levelkey.method && levelkey.uri && !levelkey.iv) {\n decryptdata = new LevelKey(levelkey.baseuri, levelkey.reluri);\n decryptdata.method = levelkey.method;\n decryptdata.iv = this.createInitializationVector(segmentNumber);\n }\n\n return decryptdata;\n }\n}\n","export default class Level {\n constructor (baseUrl) {\n // Please keep properties in alphabetical order\n this.endCC = 0;\n this.endSN = 0;\n this.fragments = [];\n this.initSegment = null;\n this.live = true;\n this.needSidxRanges = false;\n this.startCC = 0;\n this.startSN = 0;\n this.startTimeOffset = null;\n this.targetduration = 0;\n this.totalduration = 0;\n this.type = null;\n this.url = baseUrl;\n this.version = null;\n }\n\n get hasProgramDateTime () {\n return !!(this.fragments[0] && Number.isFinite(this.fragments[0].programDateTime));\n }\n}\n","const DECIMAL_RESOLUTION_REGEX = /^(\\d+)x(\\d+)$/; // eslint-disable-line no-useless-escape\nconst ATTR_LIST_REGEX = /\\s*(.+?)\\s*=((?:\\\".*?\\\")|.*?)(?:,|$)/g; // eslint-disable-line no-useless-escape\n\n// adapted from https://github.com/kanongil/node-m3u8parse/blob/master/attrlist.js\nclass AttrList {\n constructor (attrs) {\n if (typeof attrs === 'string') {\n attrs = AttrList.parseAttrList(attrs);\n }\n\n for (let attr in attrs) {\n if (attrs.hasOwnProperty(attr)) {\n this[attr] = attrs[attr];\n }\n }\n }\n\n decimalInteger (attrName) {\n const intValue = parseInt(this[attrName], 10);\n if (intValue > Number.MAX_SAFE_INTEGER) {\n return Infinity;\n }\n\n return intValue;\n }\n\n hexadecimalInteger (attrName) {\n if (this[attrName]) {\n let stringValue = (this[attrName] || '0x').slice(2);\n stringValue = ((stringValue.length & 1) ? '0' : '') + stringValue;\n\n const value = new Uint8Array(stringValue.length / 2);\n for (let i = 0; i < stringValue.length / 2; i++) {\n value[i] = parseInt(stringValue.slice(i * 2, i * 2 + 2), 16);\n }\n\n return value;\n } else {\n return null;\n }\n }\n\n hexadecimalIntegerAsNumber (attrName) {\n const intValue = parseInt(this[attrName], 16);\n if (intValue > Number.MAX_SAFE_INTEGER) {\n return Infinity;\n }\n\n return intValue;\n }\n\n decimalFloatingPoint (attrName) {\n return parseFloat(this[attrName]);\n }\n\n enumeratedString (attrName) {\n return this[attrName];\n }\n\n decimalResolution (attrName) {\n const res = DECIMAL_RESOLUTION_REGEX.exec(this[attrName]);\n if (res === null) {\n return undefined;\n }\n\n return {\n width: parseInt(res[1], 10),\n height: parseInt(res[2], 10)\n };\n }\n\n static parseAttrList (input) {\n let match, attrs = {};\n ATTR_LIST_REGEX.lastIndex = 0;\n while ((match = ATTR_LIST_REGEX.exec(input)) !== null) {\n let value = match[2], quote = '\"';\n\n if (value.indexOf(quote) === 0 &&\n value.lastIndexOf(quote) === (value.length - 1)) {\n value = value.slice(1, -1);\n }\n\n attrs[match[1]] = value;\n }\n return attrs;\n }\n}\n\nexport default AttrList;\n","// from http://mp4ra.org/codecs.html\nconst sampleEntryCodesISO = {\n audio: {\n 'a3ds': true,\n 'ac-3': true,\n 'ac-4': true,\n 'alac': true,\n 'alaw': true,\n 'dra1': true,\n 'dts+': true,\n 'dts-': true,\n 'dtsc': true,\n 'dtse': true,\n 'dtsh': true,\n 'ec-3': true,\n 'enca': true,\n 'g719': true,\n 'g726': true,\n 'm4ae': true,\n 'mha1': true,\n 'mha2': true,\n 'mhm1': true,\n 'mhm2': true,\n 'mlpa': true,\n 'mp4a': true,\n 'raw ': true,\n 'Opus': true,\n 'samr': true,\n 'sawb': true,\n 'sawp': true,\n 'sevc': true,\n 'sqcp': true,\n 'ssmv': true,\n 'twos': true,\n 'ulaw': true\n },\n video: {\n 'avc1': true,\n 'avc2': true,\n 'avc3': true,\n 'avc4': true,\n 'avcp': true,\n 'drac': true,\n 'dvav': true,\n 'dvhe': true,\n 'encv': true,\n 'hev1': true,\n 'hvc1': true,\n 'mjp2': true,\n 'mp4v': true,\n 'mvc1': true,\n 'mvc2': true,\n 'mvc3': true,\n 'mvc4': true,\n 'resv': true,\n 'rv60': true,\n 's263': true,\n 'svc1': true,\n 'svc2': true,\n 'vc-1': true,\n 'vp08': true,\n 'vp09': true\n }\n};\n\nexport type CodecType = 'audio' | 'video';\n\nfunction isCodecType (codec: string, type: CodecType): boolean {\n const typeCodes = sampleEntryCodesISO[type];\n return !!typeCodes && typeCodes[codec.slice(0, 4)] === true;\n}\n\nfunction isCodecSupportedInMp4 (codec: string, type: CodecType): boolean {\n return MediaSource.isTypeSupported(`${type || 'video'}/mp4;codecs=\"${codec}\"`);\n}\n\nexport { isCodecType, isCodecSupportedInMp4 };\n","import * as URLToolkit from 'url-toolkit';\n\nimport Fragment from './fragment';\nimport Level from './level';\nimport LevelKey from './level-key';\n\nimport AttrList from '../utils/attr-list';\nimport { logger } from '../utils/logger';\nimport { isCodecType, CodecType } from '../utils/codecs';\nimport { MediaPlaylist, AudioGroup, MediaPlaylistType } from '../types/media-playlist';\nimport { PlaylistLevelType } from '../types/loader';\n\n/**\n * M3U8 parser\n * @module\n */\n\n// https://regex101.com is your friend\nconst MASTER_PLAYLIST_REGEX = /#EXT-X-STREAM-INF:([^\\n\\r]*)[\\r\\n]+([^\\r\\n]+)/g;\nconst MASTER_PLAYLIST_MEDIA_REGEX = /#EXT-X-MEDIA:(.*)/g;\n\nconst LEVEL_PLAYLIST_REGEX_FAST = new RegExp([\n /#EXTINF:\\s*(\\d*(?:\\.\\d+)?)(?:,(.*)\\s+)?/.source, // duration (#EXTINF:<duration>,<title>), group 1 => duration, group 2 => title\n /|(?!#)([\\S+ ?]+)/.source, // segment URI, group 3 => the URI (note newline is not eaten)\n /|#EXT-X-BYTERANGE:*(.+)/.source, // next segment's byterange, group 4 => range spec (x@y)\n /|#EXT-X-PROGRAM-DATE-TIME:(.+)/.source, // next segment's program date/time group 5 => the datetime spec\n /|#.*/.source // All other non-segment oriented tags will match with all groups empty\n].join(''), 'g');\n\nconst LEVEL_PLAYLIST_REGEX_SLOW = /(?:(?:#(EXTM3U))|(?:#EXT-X-(PLAYLIST-TYPE):(.+))|(?:#EXT-X-(MEDIA-SEQUENCE): *(\\d+))|(?:#EXT-X-(TARGETDURATION): *(\\d+))|(?:#EXT-X-(KEY):(.+))|(?:#EXT-X-(START):(.+))|(?:#EXT-X-(ENDLIST))|(?:#EXT-X-(DISCONTINUITY-SEQ)UENCE:(\\d+))|(?:#EXT-X-(DIS)CONTINUITY))|(?:#EXT-X-(VERSION):(\\d+))|(?:#EXT-X-(MAP):(.+))|(?:(#)([^:]*):(.*))|(?:(#)(.*))(?:.*)\\r?\\n?/;\n\nconst MP4_REGEX_SUFFIX = /\\.(mp4|m4s|m4v|m4a)$/i;\n\nexport default class M3U8Parser {\n static findGroup (groups: Array<AudioGroup>, mediaGroupId: string): AudioGroup | undefined {\n for (let i = 0; i < groups.length; i++) {\n const group = groups[i];\n if (group.id === mediaGroupId) {\n return group;\n }\n }\n }\n\n static convertAVC1ToAVCOTI (codec) {\n let avcdata = codec.split('.');\n let result;\n if (avcdata.length > 2) {\n result = avcdata.shift() + '.';\n result += parseInt(avcdata.shift()).toString(16);\n result += ('000' + parseInt(avcdata.shift()).toString(16)).substr(-4);\n } else {\n result = codec;\n }\n return result;\n }\n\n static resolve (url, baseUrl) {\n return URLToolkit.buildAbsoluteURL(baseUrl, url, { alwaysNormalize: true });\n }\n\n static parseMasterPlaylist (string: string, baseurl: string) {\n // TODO(typescript-level)\n let levels: Array<any> = [];\n MASTER_PLAYLIST_REGEX.lastIndex = 0;\n\n // TODO(typescript-level)\n function setCodecs (codecs: Array<string>, level: any) {\n ['video', 'audio'].forEach((type: CodecType) => {\n const filtered = codecs.filter((codec) => isCodecType(codec, type));\n if (filtered.length) {\n const preferred = filtered.filter((codec) => {\n return codec.lastIndexOf('avc1', 0) === 0 || codec.lastIndexOf('mp4a', 0) === 0;\n });\n level[`${type}Codec`] = preferred.length > 0 ? preferred[0] : filtered[0];\n\n // remove from list\n codecs = codecs.filter((codec) => filtered.indexOf(codec) === -1);\n }\n });\n\n level.unknownCodecs = codecs;\n }\n\n let result: RegExpExecArray | null;\n while ((result = MASTER_PLAYLIST_REGEX.exec(string)) != null) {\n // TODO(typescript-level)\n const level: any = {};\n\n const attrs = level.attrs = new AttrList(result[1]);\n level.url = M3U8Parser.resolve(result[2], baseurl);\n\n const resolution = attrs.decimalResolution('RESOLUTION');\n if (resolution) {\n level.width = resolution.width;\n level.height = resolution.height;\n }\n level.bitrate = attrs.decimalInteger('AVERAGE-BANDWIDTH') || attrs.decimalInteger('BANDWIDTH');\n level.name = attrs.NAME;\n\n setCodecs([].concat((attrs.CODECS || '').split(/[ ,]+/)), level);\n\n if (level.videoCodec && level.videoCodec.indexOf('avc1') !== -1) {\n level.videoCodec = M3U8Parser.convertAVC1ToAVCOTI(level.videoCodec);\n }\n\n levels.push(level);\n }\n return levels;\n }\n\n static parseMasterPlaylistMedia (string: string, baseurl: string, type: MediaPlaylistType, audioGroups: Array<AudioGroup> = []): Array<MediaPlaylist> {\n let result: RegExpExecArray | null;\n let medias: Array<MediaPlaylist> = [];\n let id = 0;\n MASTER_PLAYLIST_MEDIA_REGEX.lastIndex = 0;\n while ((result = MASTER_PLAYLIST_MEDIA_REGEX.exec(string)) !== null) {\n const attrs = new AttrList(result[1]);\n if (attrs.TYPE === type) {\n const media: MediaPlaylist = {\n id: id++,\n groupId: attrs['GROUP-ID'],\n name: attrs.NAME || attrs.LANGUAGE,\n type,\n default: (attrs.DEFAULT === 'YES'),\n autoselect: (attrs.AUTOSELECT === 'YES'),\n forced: (attrs.FORCED === 'YES'),\n lang: attrs.LANGUAGE\n };\n\n if (attrs.URI) {\n media.url = M3U8Parser.resolve(attrs.URI, baseurl);\n }\n\n if (audioGroups.length) {\n // If there are audio groups signalled in the manifest, let's look for a matching codec string for this track\n const groupCodec = M3U8Parser.findGroup(audioGroups, media.groupId as string);\n\n // If we don't find the track signalled, lets use the first audio groups codec we have\n // Acting as a best guess\n media.audioCodec = groupCodec ? groupCodec.codec : audioGroups[0].codec;\n }\n\n medias.push(media);\n }\n }\n return medias;\n }\n\n static parseLevelPlaylist (string: string, baseurl: string, id: number, type: PlaylistLevelType, levelUrlId: number) {\n let currentSN = 0;\n let totalduration = 0;\n let level = new Level(baseurl);\n let discontinuityCounter = 0;\n let prevFrag: Fragment | null = null;\n let frag: Fragment | null = new Fragment();\n let result: RegExpExecArray | RegExpMatchArray | null;\n let i: number;\n let levelkey: LevelKey | undefined;\n\n let firstPdtIndex = null;\n\n LEVEL_PLAYLIST_REGEX_FAST.lastIndex = 0;\n\n while ((result = LEVEL_PLAYLIST_REGEX_FAST.exec(string)) !== null) {\n const duration = result[1];\n if (duration) { // INF\n frag.duration = parseFloat(duration);\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n const title = (' ' + result[2]).slice(1);\n frag.title = title || null;\n frag.tagList.push(title ? [ 'INF', duration, title ] : [ 'INF', duration ]);\n } else if (result[3]) { // url\n if (Number.isFinite(frag.duration)) {\n const sn = currentSN++;\n frag.type = type;\n frag.start = totalduration;\n if (levelkey) {\n frag.levelkey = levelkey;\n }\n frag.sn = sn;\n frag.level = id;\n frag.cc = discontinuityCounter;\n frag.urlId = levelUrlId;\n frag.baseurl = baseurl;\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n frag.relurl = (' ' + result[3]).slice(1);\n assignProgramDateTime(frag, prevFrag);\n\n level.fragments.push(frag);\n prevFrag = frag;\n totalduration += frag.duration;\n\n frag = new Fragment();\n }\n } else if (result[4]) { // X-BYTERANGE\n const data = (' ' + result[4]).slice(1);\n if (prevFrag) {\n frag.setByteRange(data, prevFrag);\n } else {\n frag.setByteRange(data);\n }\n } else if (result[5]) { // PROGRAM-DATE-TIME\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n frag.rawProgramDateTime = (' ' + result[5]).slice(1);\n frag.tagList.push(['PROGRAM-DATE-TIME', frag.rawProgramDateTime]);\n if (firstPdtIndex === null) {\n firstPdtIndex = level.fragments.length;\n }\n } else {\n result = result[0].match(LEVEL_PLAYLIST_REGEX_SLOW);\n if (!result) {\n logger.warn('No matches on slow regex match for level playlist!');\n continue;\n }\n for (i = 1; i < result.length; i++) {\n if (typeof result[i] !== 'undefined') {\n break;\n }\n }\n\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n const value1 = (' ' + result[i + 1]).slice(1);\n const value2 = (' ' + result[i + 2]).slice(1);\n\n switch (result[i]) {\n case '#':\n frag.tagList.push(value2 ? [ value1, value2 ] : [ value1 ]);\n break;\n case 'PLAYLIST-TYPE':\n level.type = value1.toUpperCase();\n break;\n case 'MEDIA-SEQUENCE':\n currentSN = level.startSN = parseInt(value1);\n break;\n case 'TARGETDURATION':\n level.targetduration = parseFloat(value1);\n break;\n case 'VERSION':\n level.version = parseInt(value1);\n break;\n case 'EXTM3U':\n break;\n case 'ENDLIST':\n level.live = false;\n break;\n case 'DIS':\n discontinuityCounter++;\n frag.tagList.push(['DIS']);\n break;\n case 'DISCONTINUITY-SEQ':\n discontinuityCounter = parseInt(value1);\n break;\n case 'KEY': {\n // https://tools.ietf.org/html/draft-pantos-http-live-streaming-08#section-3.4.4\n const decryptparams = value1;\n const keyAttrs = new AttrList(decryptparams);\n const decryptmethod = keyAttrs.enumeratedString('METHOD');\n const decrypturi = keyAttrs.URI;\n const decryptiv = keyAttrs.hexadecimalInteger('IV');\n\n if (decryptmethod) {\n levelkey = new LevelKey(baseurl, decrypturi);\n if ((decrypturi) && (['AES-128', 'SAMPLE-AES', 'SAMPLE-AES-CENC'].indexOf(decryptmethod) >= 0)) {\n levelkey.method = decryptmethod;\n levelkey.key = null;\n // Initialization Vector (IV)\n levelkey.iv = decryptiv;\n }\n }\n break;\n }\n case 'START': {\n const startAttrs = new AttrList(value1);\n const startTimeOffset = startAttrs.decimalFloatingPoint('TIME-OFFSET');\n // TIME-OFFSET can be 0\n if (Number.isFinite(startTimeOffset)) {\n level.startTimeOffset = startTimeOffset;\n }\n break;\n }\n case 'MAP': {\n const mapAttrs = new AttrList(value1);\n frag.relurl = mapAttrs.URI;\n if (mapAttrs.BYTERANGE) {\n frag.setByteRange(mapAttrs.BYTERANGE);\n }\n frag.baseurl = baseurl;\n frag.level = id;\n frag.type = type;\n frag.sn = 'initSegment';\n level.initSegment = frag;\n frag = new Fragment();\n frag.rawProgramDateTime = level.initSegment.rawProgramDateTime;\n break;\n }\n default:\n logger.warn(`line parsed but not handled: ${result}`);\n break;\n }\n }\n }\n frag = prevFrag;\n // logger.log('found ' + level.fragments.length + ' fragments');\n if (frag && !frag.relurl) {\n level.fragments.pop();\n totalduration -= frag.duration;\n }\n level.totalduration = totalduration;\n level.averagetargetduration = totalduration / level.fragments.length;\n level.endSN = currentSN - 1;\n level.startCC = level.fragments[0] ? level.fragments[0].cc : 0;\n level.endCC = discontinuityCounter;\n\n if (!level.initSegment && level.fragments.length) {\n // this is a bit lurky but HLS really has no other way to tell us\n // if the fragments are TS or MP4, except if we download them :/\n // but this is to be able to handle SIDX.\n if (level.fragments.every((frag) => MP4_REGEX_SUFFIX.test(frag.relurl))) {\n logger.warn('MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX');\n\n frag = new Fragment();\n frag.relurl = level.fragments[0].relurl;\n frag.baseurl = baseurl;\n frag.level = id;\n frag.type = type;\n frag.sn = 'initSegment';\n\n level.initSegment = frag;\n level.needSidxRanges = true;\n }\n }\n\n /**\n * Backfill any missing PDT values\n \"If the first EXT-X-PROGRAM-DATE-TIME tag in a Playlist appears after\n one or more Media Segment URIs, the client SHOULD extrapolate\n backward from that tag (using EXTINF durations and/or media\n timestamps) to associate dates with those segments.\"\n * We have already extrapolated forward, but all fragments up to the first instance of PDT do not have their PDTs\n * computed.\n */\n if (firstPdtIndex) {\n backfillProgramDateTimes(level.fragments, firstPdtIndex);\n }\n\n return level;\n }\n}\n\nfunction backfillProgramDateTimes (fragments, startIndex) {\n let fragPrev = fragments[startIndex];\n for (let i = startIndex - 1; i >= 0; i--) {\n const frag = fragments[i];\n frag.programDateTime = fragPrev.programDateTime - (frag.duration * 1000);\n fragPrev = frag;\n }\n}\n\nfunction assignProgramDateTime (frag, prevFrag) {\n if (frag.rawProgramDateTime) {\n frag.programDateTime = Date.parse(frag.rawProgramDateTime);\n } else if (prevFrag && prevFrag.programDateTime) {\n frag.programDateTime = prevFrag.endProgramDateTime;\n }\n\n if (!Number.isFinite(frag.programDateTime)) {\n frag.programDateTime = null;\n frag.rawProgramDateTime = null;\n }\n}\n","/**\n * PlaylistLoader - delegate for media manifest/playlist loading tasks. Takes care of parsing media to internal data-models.\n *\n * Once loaded, dispatches events with parsed data-models of manifest/levels/audio/subtitle tracks.\n *\n * Uses loader(s) set in config to do actual internal loading of resource tasks.\n *\n * @module\n *\n */\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport { Loader, PlaylistContextType, PlaylistLoaderContext, PlaylistLevelType, LoaderCallbacks, LoaderResponse, LoaderStats, LoaderConfiguration } from '../types/loader';\nimport MP4Demuxer from '../demux/mp4demuxer';\nimport M3U8Parser from './m3u8-parser';\nimport { AudioGroup } from '../types/media-playlist';\n\nconst { performance } = window;\n\n/**\n * @constructor\n */\nclass PlaylistLoader extends EventHandler {\n private loaders: Partial<Record<PlaylistContextType, Loader<PlaylistLoaderContext>>> = {};\n\n /**\n * @constructs\n * @param {Hls} hls\n */\n constructor (hls) {\n super(hls,\n Event.MANIFEST_LOADING,\n Event.LEVEL_LOADING,\n Event.AUDIO_TRACK_LOADING,\n Event.SUBTITLE_TRACK_LOADING);\n }\n\n /**\n * @param {PlaylistContextType} type\n * @returns {boolean}\n */\n static canHaveQualityLevels (type: PlaylistContextType): boolean {\n return (type !== PlaylistContextType.AUDIO_TRACK &&\n type !== PlaylistContextType.SUBTITLE_TRACK);\n }\n\n /**\n * Map context.type to LevelType\n * @param {PlaylistLoaderContext} context\n * @returns {LevelType}\n */\n static mapContextToLevelType (context: PlaylistLoaderContext): PlaylistLevelType {\n const { type } = context;\n\n switch (type) {\n case PlaylistContextType.AUDIO_TRACK:\n return PlaylistLevelType.AUDIO;\n case PlaylistContextType.SUBTITLE_TRACK:\n return PlaylistLevelType.SUBTITLE;\n default:\n return PlaylistLevelType.MAIN;\n }\n }\n\n static getResponseUrl (response: LoaderResponse, context: PlaylistLoaderContext): string {\n let url = response.url;\n // responseURL not supported on some browsers (it is used to detect URL redirection)\n // data-uri mode also not supported (but no need to detect redirection)\n if (url === undefined || url.indexOf('data:') === 0) {\n // fallback to initial URL\n url = context.url;\n }\n return url;\n }\n\n /**\n * Returns defaults or configured loader-type overloads (pLoader and loader config params)\n * Default loader is XHRLoader (see utils)\n * @param {PlaylistLoaderContext} context\n * @returns {Loader} or other compatible configured overload\n */\n createInternalLoader (context: PlaylistLoaderContext): Loader<PlaylistLoaderContext> {\n const config = this.hls.config;\n const PLoader = config.pLoader;\n const Loader = config.loader;\n // TODO(typescript-config): Verify once config is typed that InternalLoader always returns a Loader\n const InternalLoader = PLoader || Loader;\n\n const loader = new InternalLoader(config);\n\n // TODO - Do we really need to assign the instance or if the dep has been lost\n context.loader = loader;\n this.loaders[context.type] = loader;\n\n return loader;\n }\n\n getInternalLoader (context: PlaylistLoaderContext): Loader<PlaylistLoaderContext> | undefined {\n return this.loaders[context.type];\n }\n\n resetInternalLoader (contextType: PlaylistContextType) {\n if (this.loaders[contextType]) {\n delete this.loaders[contextType];\n }\n }\n\n /**\n * Call `destroy` on all internal loader instances mapped (one per context type)\n */\n destroyInternalLoaders () {\n for (let contextType in this.loaders) {\n let loader = this.loaders[contextType];\n if (loader) {\n loader.destroy();\n }\n\n this.resetInternalLoader(contextType as PlaylistContextType);\n }\n }\n\n destroy () {\n this.destroyInternalLoaders();\n\n super.destroy();\n }\n\n onManifestLoading (data: { url: string; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.MANIFEST,\n level: 0,\n id: null,\n responseType: 'text'\n });\n }\n\n onLevelLoading (data: { url: string; level: number | null; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.LEVEL,\n level: data.level,\n id: data.id,\n responseType: 'text'\n });\n }\n\n onAudioTrackLoading (data: { url: string; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.AUDIO_TRACK,\n level: null,\n id: data.id,\n responseType: 'text'\n });\n }\n\n onSubtitleTrackLoading (data: { url: string; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.SUBTITLE_TRACK,\n level: null,\n id: data.id,\n responseType: 'text'\n });\n }\n\n load (context: PlaylistLoaderContext): boolean {\n const config = this.hls.config;\n\n logger.debug(`Loading playlist of type ${context.type}, level: ${context.level}, id: ${context.id}`);\n\n // Check if a loader for this context already exists\n let loader = this.getInternalLoader(context);\n if (loader) {\n const loaderContext = loader.context;\n if (loaderContext && loaderContext.url === context.url) { // same URL can't overlap\n logger.trace('playlist request ongoing');\n return false;\n } else {\n logger.warn(`aborting previous loader for type: ${context.type}`);\n loader.abort();\n }\n }\n\n let maxRetry: number;\n let timeout: number;\n let retryDelay: number;\n let maxRetryDelay: number;\n\n // apply different configs for retries depending on\n // context (manifest, level, audio/subs playlist)\n switch (context.type) {\n case PlaylistContextType.MANIFEST:\n maxRetry = config.manifestLoadingMaxRetry;\n timeout = config.manifestLoadingTimeOut;\n retryDelay = config.manifestLoadingRetryDelay;\n maxRetryDelay = config.manifestLoadingMaxRetryTimeout;\n break;\n case PlaylistContextType.LEVEL:\n // Disable internal loader retry logic, since we are managing retries in Level Controller\n maxRetry = 0;\n maxRetryDelay = 0;\n retryDelay = 0;\n timeout = config.levelLoadingTimeOut;\n // TODO Introduce retry settings for audio-track and subtitle-track, it should not use level retry config\n break;\n default:\n maxRetry = config.levelLoadingMaxRetry;\n timeout = config.levelLoadingTimeOut;\n retryDelay = config.levelLoadingRetryDelay;\n maxRetryDelay = config.levelLoadingMaxRetryTimeout;\n break;\n }\n\n loader = this.createInternalLoader(context);\n\n const loaderConfig: LoaderConfiguration = {\n timeout,\n maxRetry,\n retryDelay,\n maxRetryDelay\n };\n\n const loaderCallbacks: LoaderCallbacks<PlaylistLoaderContext> = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this)\n };\n\n logger.debug(`Calling internal loader delegate for URL: ${context.url}`);\n loader.load(context, loaderConfig, loaderCallbacks);\n\n return true;\n }\n\n loadsuccess (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown = null) {\n if (context.isSidxRequest) {\n this._handleSidxRequest(response, context);\n this._handlePlaylistLoaded(response, stats, context, networkDetails);\n return;\n }\n\n this.resetInternalLoader(context.type);\n if (typeof response.data !== 'string') {\n throw new Error('expected responseType of \"text\" for PlaylistLoader');\n }\n\n const string = response.data;\n\n stats.tload = performance.now();\n // stats.mtime = new Date(target.getResponseHeader('Last-Modified'));\n\n // Validate if it is an M3U8 at all\n if (string.indexOf('#EXTM3U') !== 0) {\n this._handleManifestParsingError(response, context, 'no EXTM3U delimiter', networkDetails);\n return;\n }\n\n // Check if chunk-list or master. handle empty chunk list case (first EXTINF not signaled, but TARGETDURATION present)\n if (string.indexOf('#EXTINF:') > 0 || string.indexOf('#EXT-X-TARGETDURATION:') > 0) {\n this._handleTrackOrLevelPlaylist(response, stats, context, networkDetails);\n } else {\n this._handleMasterPlaylist(response, stats, context, networkDetails);\n }\n }\n\n loaderror (response: LoaderResponse, context: PlaylistLoaderContext, networkDetails = null) {\n this._handleNetworkError(context, networkDetails, false, response);\n }\n\n loadtimeout (stats: LoaderStats, context: PlaylistLoaderContext, networkDetails = null) {\n this._handleNetworkError(context, networkDetails, true);\n }\n\n // TODO(typescript-config): networkDetails can currently be a XHR or Fetch impl,\n // but with custom loaders it could be generic investigate this further when config is typed\n _handleMasterPlaylist (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const hls = this.hls;\n const string = response.data as string;\n\n const url = PlaylistLoader.getResponseUrl(response, context);\n const levels = M3U8Parser.parseMasterPlaylist(string, url);\n if (!levels.length) {\n this._handleManifestParsingError(response, context, 'no level found in manifest', networkDetails);\n return;\n }\n\n // multi level playlist, parse level info\n const audioGroups: Array<AudioGroup> = levels.map(level => ({\n id: level.attrs.AUDIO,\n codec: level.audioCodec\n }));\n\n const audioTracks = M3U8Parser.parseMasterPlaylistMedia(string, url, 'AUDIO', audioGroups);\n const subtitles = M3U8Parser.parseMasterPlaylistMedia(string, url, 'SUBTITLES');\n\n if (audioTracks.length) {\n // check if we have found an audio track embedded in main playlist (audio track without URI attribute)\n let embeddedAudioFound = false;\n audioTracks.forEach(audioTrack => {\n if (!audioTrack.url) {\n embeddedAudioFound = true;\n }\n });\n\n // if no embedded audio track defined, but audio codec signaled in quality level,\n // we need to signal this main audio track this could happen with playlists with\n // alt audio rendition in which quality levels (main)\n // contains both audio+video. but with mixed audio track not signaled\n if (embeddedAudioFound === false && levels[0].audioCodec && !levels[0].attrs.AUDIO) {\n logger.log('audio codec signaled in quality level, but no embedded audio track signaled, create one');\n audioTracks.unshift({\n type: 'main',\n name: 'main',\n default: false,\n autoselect: false,\n forced: false,\n id: -1\n });\n }\n }\n\n hls.trigger(Event.MANIFEST_LOADED, {\n levels,\n audioTracks,\n subtitles,\n url,\n stats,\n networkDetails\n });\n }\n\n _handleTrackOrLevelPlaylist (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const hls = this.hls;\n\n const { id, level, type } = context;\n\n const url = PlaylistLoader.getResponseUrl(response, context);\n\n // if the values are null, they will result in the else conditional\n const levelUrlId = Number.isFinite(id as number) ? id as number : 0;\n const levelId = Number.isFinite(level as number) ? level as number : levelUrlId;\n\n const levelType = PlaylistLoader.mapContextToLevelType(context);\n const levelDetails = M3U8Parser.parseLevelPlaylist(response.data as string, url, levelId, levelType, levelUrlId);\n\n // set stats on level structure\n // TODO(jstackhouse): why? mixing concerns, is it just treated as value bag?\n (levelDetails as any).tload = stats.tload;\n\n // We have done our first request (Manifest-type) and receive\n // not a master playlist but a chunk-list (track/level)\n // We fire the manifest-loaded event anyway with the parsed level-details\n // by creating a single-level structure for it.\n if (type === PlaylistContextType.MANIFEST) {\n const singleLevel = {\n url,\n details: levelDetails\n };\n\n hls.trigger(Event.MANIFEST_LOADED, {\n levels: [singleLevel],\n audioTracks: [],\n url,\n stats,\n networkDetails\n });\n }\n\n // save parsing time\n stats.tparsed = performance.now();\n\n // in case we need SIDX ranges\n // return early after calling load for\n // the SIDX box.\n if (levelDetails.needSidxRanges) {\n const sidxUrl = levelDetails.initSegment.url;\n this.load({\n url: sidxUrl,\n isSidxRequest: true,\n type,\n level,\n levelDetails,\n id,\n rangeStart: 0,\n rangeEnd: 2048,\n responseType: 'arraybuffer'\n });\n return;\n }\n\n // extend the context with the new levelDetails property\n context.levelDetails = levelDetails;\n\n this._handlePlaylistLoaded(response, stats, context, networkDetails);\n }\n\n _handleSidxRequest (response: LoaderResponse, context: PlaylistLoaderContext) {\n if (typeof response.data === 'string') {\n throw new Error('sidx request must be made with responseType of array buffer');\n }\n\n const sidxInfo = MP4Demuxer.parseSegmentIndex(new Uint8Array(response.data));\n // if provided fragment does not contain sidx, early return\n if (!sidxInfo) {\n return;\n }\n const sidxReferences = sidxInfo.references;\n const levelDetails = context.levelDetails;\n sidxReferences.forEach((segmentRef, index) => {\n const segRefInfo = segmentRef.info;\n if (!levelDetails) {\n return;\n }\n const frag = levelDetails.fragments[index];\n if (frag.byteRange.length === 0) {\n frag.setByteRange(String(1 + segRefInfo.end - segRefInfo.start) + '@' + String(segRefInfo.start));\n }\n });\n\n if (levelDetails) {\n levelDetails.initSegment.setByteRange(String(sidxInfo.moovEndOffset) + '@0');\n }\n }\n\n _handleManifestParsingError (response: LoaderResponse, context: PlaylistLoaderContext, reason: string, networkDetails: unknown) {\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.NETWORK_ERROR,\n details: ErrorDetails.MANIFEST_PARSING_ERROR,\n fatal: true,\n url: response.url,\n reason,\n networkDetails\n });\n }\n\n _handleNetworkError (context: PlaylistLoaderContext, networkDetails: unknown, timeout: boolean = false, response: LoaderResponse | null = null) {\n logger.info(`A network error occured while loading a ${context.type}-type playlist`);\n\n let details;\n let fatal;\n\n const loader = this.getInternalLoader(context);\n\n switch (context.type) {\n case PlaylistContextType.MANIFEST:\n details = (timeout ? ErrorDetails.MANIFEST_LOAD_TIMEOUT : ErrorDetails.MANIFEST_LOAD_ERROR);\n fatal = true;\n break;\n case PlaylistContextType.LEVEL:\n details = (timeout ? ErrorDetails.LEVEL_LOAD_TIMEOUT : ErrorDetails.LEVEL_LOAD_ERROR);\n fatal = false;\n break;\n case PlaylistContextType.AUDIO_TRACK:\n details = (timeout ? ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT : ErrorDetails.AUDIO_TRACK_LOAD_ERROR);\n fatal = false;\n break;\n default:\n // details = ...?\n fatal = false;\n }\n\n if (loader) {\n loader.abort();\n this.resetInternalLoader(context.type);\n }\n\n // TODO(typescript-events): when error events are handled, type this\n let errorData: any = {\n type: ErrorTypes.NETWORK_ERROR,\n details,\n fatal,\n url: context.url,\n loader,\n context,\n networkDetails\n };\n\n if (response) {\n errorData.response = response;\n }\n\n this.hls.trigger(Event.ERROR, errorData);\n }\n\n _handlePlaylistLoaded (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const { type, level, id, levelDetails } = context;\n\n if (!levelDetails || !levelDetails.targetduration) {\n this._handleManifestParsingError(response, context, 'invalid target duration', networkDetails);\n return;\n }\n\n const canHaveLevels = PlaylistLoader.canHaveQualityLevels(context.type);\n if (canHaveLevels) {\n this.hls.trigger(Event.LEVEL_LOADED, {\n details: levelDetails,\n level: level || 0,\n id: id || 0,\n stats,\n networkDetails\n });\n } else {\n switch (type) {\n case PlaylistContextType.AUDIO_TRACK:\n this.hls.trigger(Event.AUDIO_TRACK_LOADED, {\n details: levelDetails,\n id,\n stats,\n networkDetails\n });\n break;\n case PlaylistContextType.SUBTITLE_TRACK:\n this.hls.trigger(Event.SUBTITLE_TRACK_LOADED, {\n details: levelDetails,\n id,\n stats,\n networkDetails\n });\n break;\n }\n }\n }\n}\n\nexport default PlaylistLoader;\n","/*\n * Fragment Loader\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\n\nclass FragmentLoader extends EventHandler {\n constructor (hls) {\n super(hls, Event.FRAG_LOADING);\n this.loaders = {};\n }\n\n destroy () {\n let loaders = this.loaders;\n for (let loaderName in loaders) {\n let loader = loaders[loaderName];\n if (loader) {\n loader.destroy();\n }\n }\n this.loaders = {};\n\n super.destroy();\n }\n\n onFragLoading (data) {\n const frag = data.frag,\n type = frag.type,\n loaders = this.loaders,\n config = this.hls.config,\n FragmentILoader = config.fLoader,\n DefaultILoader = config.loader;\n\n // reset fragment state\n frag.loaded = 0;\n\n let loader = loaders[type];\n if (loader) {\n logger.warn(`abort previous fragment loader for type: ${type}`);\n loader.abort();\n }\n\n loader = loaders[type] = frag.loader =\n config.fLoader ? new FragmentILoader(config) : new DefaultILoader(config);\n\n let loaderContext, loaderConfig, loaderCallbacks;\n\n loaderContext = { url: frag.url, frag: frag, responseType: 'arraybuffer', progressData: false };\n\n let start = frag.byteRangeStartOffset,\n end = frag.byteRangeEndOffset;\n\n if (Number.isFinite(start) && Number.isFinite(end)) {\n loaderContext.rangeStart = start;\n loaderContext.rangeEnd = end;\n }\n\n loaderConfig = {\n timeout: config.fragLoadingTimeOut,\n maxRetry: 0,\n retryDelay: 0,\n maxRetryDelay: config.fragLoadingMaxRetryTimeout\n };\n\n loaderCallbacks = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this),\n onProgress: this.loadprogress.bind(this)\n };\n\n loader.load(loaderContext, loaderConfig, loaderCallbacks);\n }\n\n loadsuccess (response, stats, context, networkDetails = null) {\n let payload = response.data, frag = context.frag;\n // detach fragment loader on load success\n frag.loader = undefined;\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.FRAG_LOADED, { payload: payload, frag: frag, stats: stats, networkDetails: networkDetails });\n }\n\n loaderror (response, context, networkDetails = null) {\n const frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.FRAG_LOAD_ERROR, fatal: false, frag: context.frag, response: response, networkDetails: networkDetails });\n }\n\n loadtimeout (stats, context, networkDetails = null) {\n const frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.FRAG_LOAD_TIMEOUT, fatal: false, frag: context.frag, networkDetails: networkDetails });\n }\n\n // data will be used for progressive parsing\n loadprogress (stats, context, data, networkDetails = null) { // jshint ignore:line\n let frag = context.frag;\n frag.loaded = stats.loaded;\n this.hls.trigger(Event.FRAG_LOAD_PROGRESS, { frag: frag, stats: stats, networkDetails: networkDetails });\n }\n}\n\nexport default FragmentLoader;\n","/*\n * Decrypt key Loader\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport Hls from '../hls';\nimport Fragment from './fragment';\nimport { LoaderStats, LoaderResponse, LoaderContext, LoaderConfiguration, LoaderCallbacks } from '../types/loader';\n\ninterface OnKeyLoadingPayload {\n frag: Fragment\n}\n\ninterface KeyLoaderContext extends LoaderContext {\n frag: Fragment\n}\n\nclass KeyLoader extends EventHandler {\n public loaders = {};\n public decryptkey: Uint8Array | null = null;\n public decrypturl: string | null = null;\n\n constructor (hls: Hls) {\n super(hls, Event.KEY_LOADING);\n }\n\n destroy (): void {\n for (const loaderName in this.loaders) {\n let loader = this.loaders[loaderName];\n if (loader) {\n loader.destroy();\n }\n }\n this.loaders = {};\n\n super.destroy();\n }\n\n onKeyLoading (data: OnKeyLoadingPayload) {\n const { frag } = data;\n const type = frag.type;\n const loader = this.loaders[type];\n if (!frag.decryptdata) {\n logger.warn('Missing decryption data on fragment in onKeyLoading');\n return;\n }\n\n // Load the key if the uri is different from previous one, or if the decrypt key has not yet been retrieved\n const uri = frag.decryptdata.uri;\n if (uri !== this.decrypturl || this.decryptkey === null) {\n let config = this.hls.config;\n if (loader) {\n logger.warn(`abort previous key loader for type:${type}`);\n loader.abort();\n }\n if (!uri) {\n logger.warn('key uri is falsy');\n return;\n }\n\n frag.loader = this.loaders[type] = new config.loader(config);\n this.decrypturl = uri;\n this.decryptkey = null;\n\n const loaderContext: KeyLoaderContext = {\n url: uri,\n frag: frag,\n responseType: 'arraybuffer'\n };\n\n // maxRetry is 0 so that instead of retrying the same key on the same variant multiple times,\n // key-loader will trigger an error and rely on stream-controller to handle retry logic.\n // this will also align retry logic with fragment-loader\n const loaderConfig: LoaderConfiguration = {\n timeout: config.fragLoadingTimeOut,\n maxRetry: 0,\n retryDelay: config.fragLoadingRetryDelay,\n maxRetryDelay: config.fragLoadingMaxRetryTimeout\n };\n\n const loaderCallbacks: LoaderCallbacks<KeyLoaderContext> = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this)\n };\n\n frag.loader.load(loaderContext, loaderConfig, loaderCallbacks);\n } else if (this.decryptkey) {\n // Return the key if it's already been loaded\n frag.decryptdata.key = this.decryptkey;\n this.hls.trigger(Event.KEY_LOADED, { frag: frag });\n }\n }\n\n loadsuccess (response: LoaderResponse, stats: LoaderStats, context: KeyLoaderContext) {\n let frag = context.frag;\n if (!frag.decryptdata) {\n logger.error('after key load, decryptdata unset');\n return;\n }\n this.decryptkey = frag.decryptdata.key = new Uint8Array(response.data as ArrayBuffer);\n\n // detach fragment loader on load success\n frag.loader = undefined;\n delete this.loaders[frag.type];\n this.hls.trigger(Event.KEY_LOADED, { frag: frag });\n }\n\n loaderror (response: LoaderResponse, context: KeyLoaderContext) {\n let frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n delete this.loaders[frag.type];\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.KEY_LOAD_ERROR, fatal: false, frag, response });\n }\n\n loadtimeout (stats: LoaderStats, context: KeyLoaderContext) {\n let frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n delete this.loaders[frag.type];\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.KEY_LOAD_TIMEOUT, fatal: false, frag });\n }\n}\n\nexport default KeyLoader;\n","import EventHandler from '../event-handler';\nimport Event from '../events';\n\nexport const FragmentState = {\n NOT_LOADED: 'NOT_LOADED',\n APPENDING: 'APPENDING',\n PARTIAL: 'PARTIAL',\n OK: 'OK'\n};\n\nexport class FragmentTracker extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.BUFFER_APPENDED,\n Event.FRAG_BUFFERED,\n Event.FRAG_LOADED\n );\n\n this.bufferPadding = 0.2;\n\n this.fragments = Object.create(null);\n this.timeRanges = Object.create(null);\n\n this.config = hls.config;\n }\n\n destroy () {\n this.fragments = Object.create(null);\n this.timeRanges = Object.create(null);\n this.config = null;\n EventHandler.prototype.destroy.call(this);\n super.destroy();\n }\n\n /**\n * Return a Fragment that match the position and levelType.\n * If not found any Fragment, return null\n * @param {number} position\n * @param {LevelType} levelType\n * @returns {Fragment|null}\n */\n getBufferedFrag (position, levelType) {\n const fragments = this.fragments;\n const bufferedFrags = Object.keys(fragments).filter(key => {\n const fragmentEntity = fragments[key];\n if (fragmentEntity.body.type !== levelType) {\n return false;\n }\n\n if (!fragmentEntity.buffered) {\n return false;\n }\n\n const frag = fragmentEntity.body;\n return frag.startPTS <= position && position <= frag.endPTS;\n });\n if (bufferedFrags.length === 0) {\n return null;\n } else {\n // https://github.com/video-dev/hls.js/pull/1545#discussion_r166229566\n const bufferedFragKey = bufferedFrags.pop();\n return fragments[bufferedFragKey].body;\n }\n }\n\n /**\n * Partial fragments effected by coded frame eviction will be removed\n * The browser will unload parts of the buffer to free up memory for new buffer data\n * Fragments will need to be reloaded when the buffer is freed up, removing partial fragments will allow them to reload(since there might be parts that are still playable)\n * @param {String} elementaryStream The elementaryStream of media this is (eg. video/audio)\n * @param {TimeRanges} timeRange TimeRange object from a sourceBuffer\n */\n detectEvictedFragments (elementaryStream, timeRange) {\n let fragmentTimes, time;\n // Check if any flagged fragments have been unloaded\n Object.keys(this.fragments).forEach(key => {\n const fragmentEntity = this.fragments[key];\n if (fragmentEntity.buffered === true) {\n const esData = fragmentEntity.range[elementaryStream];\n if (esData) {\n fragmentTimes = esData.time;\n for (let i = 0; i < fragmentTimes.length; i++) {\n time = fragmentTimes[i];\n\n if (this.isTimeBuffered(time.startPTS, time.endPTS, timeRange) === false) {\n // Unregister partial fragment as it needs to load again to be reused\n this.removeFragment(fragmentEntity.body);\n break;\n }\n }\n }\n }\n });\n }\n\n /**\n * Checks if the fragment passed in is loaded in the buffer properly\n * Partially loaded fragments will be registered as a partial fragment\n * @param {Object} fragment Check the fragment against all sourceBuffers loaded\n */\n detectPartialFragments (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n let fragmentEntity = this.fragments[fragKey];\n if (fragmentEntity) {\n fragmentEntity.buffered = true;\n\n Object.keys(this.timeRanges).forEach(elementaryStream => {\n if (fragment.hasElementaryStream(elementaryStream)) {\n let timeRange = this.timeRanges[elementaryStream];\n // Check for malformed fragments\n // Gaps need to be calculated for each elementaryStream\n fragmentEntity.range[elementaryStream] = this.getBufferedTimes(fragment.startPTS, fragment.endPTS, timeRange);\n }\n });\n }\n }\n\n getBufferedTimes (startPTS, endPTS, timeRange) {\n let fragmentTimes = [];\n let startTime, endTime;\n let fragmentPartial = false;\n for (let i = 0; i < timeRange.length; i++) {\n startTime = timeRange.start(i) - this.bufferPadding;\n endTime = timeRange.end(i) + this.bufferPadding;\n if (startPTS >= startTime && endPTS <= endTime) {\n // Fragment is entirely contained in buffer\n // No need to check the other timeRange times since it's completely playable\n fragmentTimes.push({\n startPTS: Math.max(startPTS, timeRange.start(i)),\n endPTS: Math.min(endPTS, timeRange.end(i))\n });\n break;\n } else if (startPTS < endTime && endPTS > startTime) {\n // Check for intersection with buffer\n // Get playable sections of the fragment\n fragmentTimes.push({\n startPTS: Math.max(startPTS, timeRange.start(i)),\n endPTS: Math.min(endPTS, timeRange.end(i))\n });\n fragmentPartial = true;\n } else if (endPTS <= startTime) {\n // No need to check the rest of the timeRange as it is in order\n break;\n }\n }\n\n return {\n time: fragmentTimes,\n partial: fragmentPartial\n };\n }\n\n getFragmentKey (fragment) {\n return `${fragment.type}_${fragment.level}_${fragment.urlId}_${fragment.sn}`;\n }\n\n /**\n * Gets the partial fragment for a certain time\n * @param {Number} time\n * @returns {Object} fragment Returns a partial fragment at a time or null if there is no partial fragment\n */\n getPartialFragment (time) {\n let timePadding, startTime, endTime;\n let bestFragment = null;\n let bestOverlap = 0;\n Object.keys(this.fragments).forEach(key => {\n const fragmentEntity = this.fragments[key];\n if (this.isPartial(fragmentEntity)) {\n startTime = fragmentEntity.body.startPTS - this.bufferPadding;\n endTime = fragmentEntity.body.endPTS + this.bufferPadding;\n if (time >= startTime && time <= endTime) {\n // Use the fragment that has the most padding from start and end time\n timePadding = Math.min(time - startTime, endTime - time);\n if (bestOverlap <= timePadding) {\n bestFragment = fragmentEntity.body;\n bestOverlap = timePadding;\n }\n }\n }\n });\n return bestFragment;\n }\n\n /**\n * @param {Object} fragment The fragment to check\n * @returns {String} Returns the fragment state when a fragment never loaded or if it partially loaded\n */\n getState (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n let fragmentEntity = this.fragments[fragKey];\n let state = FragmentState.NOT_LOADED;\n\n if (fragmentEntity !== undefined) {\n if (!fragmentEntity.buffered) {\n state = FragmentState.APPENDING;\n } else if (this.isPartial(fragmentEntity) === true) {\n state = FragmentState.PARTIAL;\n } else {\n state = FragmentState.OK;\n }\n }\n\n return state;\n }\n\n isPartial (fragmentEntity) {\n return fragmentEntity.buffered === true &&\n ((fragmentEntity.range.video !== undefined && fragmentEntity.range.video.partial === true) ||\n (fragmentEntity.range.audio !== undefined && fragmentEntity.range.audio.partial === true));\n }\n\n isTimeBuffered (startPTS, endPTS, timeRange) {\n let startTime, endTime;\n for (let i = 0; i < timeRange.length; i++) {\n startTime = timeRange.start(i) - this.bufferPadding;\n endTime = timeRange.end(i) + this.bufferPadding;\n if (startPTS >= startTime && endPTS <= endTime) {\n return true;\n }\n\n if (endPTS <= startTime) {\n // No need to check the rest of the timeRange as it is in order\n return false;\n }\n }\n\n return false;\n }\n\n /**\n * Fires when a fragment loading is completed\n */\n onFragLoaded (e) {\n const fragment = e.frag;\n // don't track initsegment (for which sn is not a number)\n // don't track frags used for bitrateTest, they're irrelevant.\n if (!Number.isFinite(fragment.sn) || fragment.bitrateTest) {\n return;\n }\n\n this.fragments[this.getFragmentKey(fragment)] = {\n body: fragment,\n range: Object.create(null),\n buffered: false\n };\n }\n\n /**\n * Fires when the buffer is updated\n */\n onBufferAppended (e) {\n // Store the latest timeRanges loaded in the buffer\n this.timeRanges = e.timeRanges;\n Object.keys(this.timeRanges).forEach(elementaryStream => {\n let timeRange = this.timeRanges[elementaryStream];\n this.detectEvictedFragments(elementaryStream, timeRange);\n });\n }\n\n /**\n * Fires after a fragment has been loaded into the source buffer\n */\n onFragBuffered (e) {\n this.detectPartialFragments(e.frag);\n }\n\n /**\n * Return true if fragment tracker has the fragment.\n * @param {Object} fragment\n * @returns {boolean}\n */\n hasFragment (fragment) {\n const fragKey = this.getFragmentKey(fragment);\n return this.fragments[fragKey] !== undefined;\n }\n\n /**\n * Remove a fragment from fragment tracker until it is loaded again\n * @param {Object} fragment The fragment to remove\n */\n removeFragment (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n delete this.fragments[fragKey];\n }\n\n /**\n * Remove all fragments from fragment tracker.\n */\n removeAllFragments () {\n this.fragments = Object.create(null);\n }\n}\n","type BinarySearchComparison < T > = (candidate: T) => -1 | 0 | 1;\n\nconst BinarySearch = {\n\n /**\n * Searches for an item in an array which matches a certain condition.\n * This requires the condition to only match one item in the array,\n * and for the array to be ordered.\n *\n * @param {Array<T>} list The array to search.\n * @param {BinarySearchComparison<T>} comparisonFn\n * Called and provided a candidate item as the first argument.\n * Should return:\n * > -1 if the item should be located at a lower index than the provided item.\n * > 1 if the item should be located at a higher index than the provided item.\n * > 0 if the item is the item you're looking for.\n *\n * @return {T | null} The object if it is found or null otherwise.\n */\n search: function<T> (list: T[], comparisonFn: BinarySearchComparison<T>): T | null {\n let minIndex: number = 0;\n let maxIndex: number = list.length - 1;\n let currentIndex: number | null = null;\n let currentElement: T | null = null;\n\n while (minIndex <= maxIndex) {\n currentIndex = (minIndex + maxIndex) / 2 | 0;\n currentElement = list[currentIndex];\n\n let comparisonResult = comparisonFn(currentElement);\n if (comparisonResult > 0) {\n minIndex = currentIndex + 1;\n } else if (comparisonResult < 0) {\n maxIndex = currentIndex - 1;\n } else {\n return currentElement;\n }\n }\n\n return null;\n }\n};\n\nexport default BinarySearch;\n","/**\n * @module BufferHelper\n *\n * Providing methods dealing with buffer length retrieval for example.\n *\n * In general, a helper around HTML5 MediaElement TimeRanges gathered from `buffered` property.\n *\n * Also @see https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/buffered\n*/\n\ntype BufferTimeRange = {\n start: number\n end: number\n};\n\ntype Bufferable = {\n buffered: TimeRanges\n};\n\nexport class BufferHelper {\n /**\n * Return true if `media`'s buffered include `position`\n * @param {Bufferable} media\n * @param {number} position\n * @returns {boolean}\n */\n static isBuffered (media: Bufferable, position: number): boolean {\n try {\n if (media) {\n let buffered = media.buffered;\n for (let i = 0; i < buffered.length; i++) {\n if (position >= buffered.start(i) && position <= buffered.end(i)) {\n return true;\n }\n }\n }\n } catch (error) {\n // this is to catch\n // InvalidStateError: Failed to read the 'buffered' property from 'SourceBuffer':\n // This SourceBuffer has been removed from the parent media source\n }\n return false;\n }\n\n static bufferInfo (\n media: Bufferable,\n pos: number,\n maxHoleDuration: number\n ): {\n len: number,\n start: number,\n end: number,\n nextStart?: number,\n } {\n try {\n if (media) {\n let vbuffered = media.buffered;\n let buffered: BufferTimeRange[] = [];\n let i: number;\n for (i = 0; i < vbuffered.length; i++) {\n buffered.push({ start: vbuffered.start(i), end: vbuffered.end(i) });\n }\n\n return this.bufferedInfo(buffered, pos, maxHoleDuration);\n }\n } catch (error) {\n // this is to catch\n // InvalidStateError: Failed to read the 'buffered' property from 'SourceBuffer':\n // This SourceBuffer has been removed from the parent media source\n }\n return { len: 0, start: pos, end: pos, nextStart: undefined };\n }\n\n static bufferedInfo (\n buffered: BufferTimeRange[],\n pos: number,\n maxHoleDuration: number\n ): {\n len: number,\n start: number,\n end: number,\n nextStart?: number,\n } {\n // sort on buffer.start/smaller end (IE does not always return sorted buffered range)\n buffered.sort(function (a, b) {\n let diff = a.start - b.start;\n if (diff) {\n return diff;\n } else {\n return b.end - a.end;\n }\n });\n\n let buffered2: BufferTimeRange[] = [];\n if (maxHoleDuration) {\n // there might be some small holes between buffer time range\n // consider that holes smaller than maxHoleDuration are irrelevant and build another\n // buffer time range representations that discards those holes\n for (let i = 0; i < buffered.length; i++) {\n let buf2len = buffered2.length;\n if (buf2len) {\n let buf2end = buffered2[buf2len - 1].end;\n // if small hole (value between 0 or maxHoleDuration ) or overlapping (negative)\n if ((buffered[i].start - buf2end) < maxHoleDuration) {\n // merge overlapping time ranges\n // update lastRange.end only if smaller than item.end\n // e.g. [ 1, 15] with [ 2,8] => [ 1,15] (no need to modify lastRange.end)\n // whereas [ 1, 8] with [ 2,15] => [ 1,15] ( lastRange should switch from [1,8] to [1,15])\n if (buffered[i].end > buf2end) {\n buffered2[buf2len - 1].end = buffered[i].end;\n }\n } else {\n // big hole\n buffered2.push(buffered[i]);\n }\n } else {\n // first value\n buffered2.push(buffered[i]);\n }\n }\n } else {\n buffered2 = buffered;\n }\n\n let bufferLen = 0;\n\n // bufferStartNext can possibly be undefined based on the conditional logic below\n let bufferStartNext: number | undefined;\n\n // bufferStart and bufferEnd are buffer boundaries around current video position\n let bufferStart: number = pos;\n let bufferEnd: number = pos;\n for (let i = 0; i < buffered2.length; i++) {\n let start = buffered2[i].start,\n end = buffered2[i].end;\n // logger.log('buf start/end:' + buffered.start(i) + '/' + buffered.end(i));\n if ((pos + maxHoleDuration) >= start && pos < end) {\n // play position is inside this buffer TimeRange, retrieve end of buffer position and buffer length\n bufferStart = start;\n bufferEnd = end;\n bufferLen = bufferEnd - pos;\n } else if ((pos + maxHoleDuration) < start) {\n bufferStartNext = start;\n break;\n }\n }\n return { len: bufferLen, start: bufferStart, end: bufferEnd, nextStart: bufferStartNext };\n }\n\n // Trying to find buffered position within `maxFragLookUpTolerance`. Returns same position if\n // current time is already inside of buffered range or there is no buffered fragment\n // within `maxFragLookUpTolerance`.\n static getBufferedPosWithinTolerance(media, pos, maxFragLookUpTolerance) {\n const currentTime = media ? media.currentTime : undefined;\n\n // No need to seek if current playback position is already inside buffered range\n if (BufferHelper.isBuffered(media, currentTime)) {\n return pos;\n }\n\n const buffered = media.buffered;\n for (let i = 0; i < buffered.length; i++) {\n const start = buffered.start(i);\n\n // Returns the start position of buffered range if `currentTime` is within `maxFragLookUpTolerance` range\n if (start > currentTime && start < currentTime + maxFragLookUpTolerance) {\n return Math.ceil(start * 10) / 10;\n }\n }\n\n return pos;\n }\n}\n","/**\n * MediaSource helper\n */\n\nexport function getMediaSource (): typeof MediaSource | undefined {\n return (window as any).MediaSource || (window as any).WebKitMediaSource;\n}\n","import { EventEmitter } from 'eventemitter3';\n\n/**\n * Simple adapter sub-class of Nodejs-like EventEmitter.\n */\nexport class Observer extends EventEmitter {\n /**\n * We simply want to pass along the event-name itself\n * in every call to a handler, which is the purpose of our `trigger` method\n * extending the standard API.\n */\n trigger (event: string, ...data: Array<any>): void {\n this.emit(event, event, ...data);\n }\n}\n","import { EventEmitter } from 'eventemitter3';\nimport * as work from 'webworkify-webpack';\n\nimport Event from '../events';\nimport DemuxerInline from '../demux/demuxer-inline';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { getMediaSource } from '../utils/mediasource-helper';\nimport { getSelfScope } from '../utils/get-self-scope';\n\nimport { Observer } from '../observer';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\nconst MediaSource = getMediaSource() || { isTypeSupported: () => false };\n\nclass Demuxer {\n constructor (hls, id) {\n this.hls = hls;\n this.id = id;\n\n const observer = this.observer = new Observer();\n const config = hls.config;\n\n const forwardMessage = (ev, data) => {\n data = data || {};\n data.frag = this.frag;\n data.id = this.id;\n hls.trigger(ev, data);\n };\n\n // forward events to main thread\n observer.on(Event.FRAG_DECRYPTED, forwardMessage);\n observer.on(Event.FRAG_PARSING_INIT_SEGMENT, forwardMessage);\n observer.on(Event.FRAG_PARSING_DATA, forwardMessage);\n observer.on(Event.FRAG_PARSED, forwardMessage);\n observer.on(Event.ERROR, forwardMessage);\n observer.on(Event.FRAG_PARSING_METADATA, forwardMessage);\n observer.on(Event.FRAG_PARSING_USERDATA, forwardMessage);\n observer.on(Event.INIT_PTS_FOUND, forwardMessage);\n\n const typeSupported = {\n mp4: MediaSource.isTypeSupported('video/mp4'),\n mpeg: MediaSource.isTypeSupported('audio/mpeg'),\n mp3: MediaSource.isTypeSupported('audio/mp4; codecs=\"mp3\"')\n };\n // navigator.vendor is not always available in Web Worker\n // refer to https://developer.mozilla.org/en-US/docs/Web/API/WorkerGlobalScope/navigator\n const vendor = navigator.vendor;\n if (config.enableWorker && (typeof (Worker) !== 'undefined')) {\n logger.log('demuxing in webworker');\n let w;\n try {\n w = this.w = work(require.resolve('../demux/demuxer-worker.js'));\n this.onwmsg = this.onWorkerMessage.bind(this);\n w.addEventListener('message', this.onwmsg);\n w.onerror = function (event) {\n hls.trigger(Event.ERROR, { type: ErrorTypes.OTHER_ERROR, details: ErrorDetails.INTERNAL_EXCEPTION, fatal: true, event: 'demuxerWorker', err: { message: event.message + ' (' + event.filename + ':' + event.lineno + ')' } });\n };\n w.postMessage({ cmd: 'init', typeSupported: typeSupported, vendor: vendor, id: id, config: JSON.stringify(config) });\n } catch (err) {\n logger.warn('Error in worker:', err);\n logger.error('Error while initializing DemuxerWorker, fallback on DemuxerInline');\n if (w) {\n // revoke the Object URL that was used to create demuxer worker, so as not to leak it\n global.URL.revokeObjectURL(w.objectURL);\n }\n this.demuxer = new DemuxerInline(observer, typeSupported, config, vendor);\n this.w = undefined;\n }\n } else {\n this.demuxer = new DemuxerInline(observer, typeSupported, config, vendor);\n }\n }\n\n destroy () {\n let w = this.w;\n if (w) {\n w.removeEventListener('message', this.onwmsg);\n w.terminate();\n this.w = null;\n } else {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.destroy();\n this.demuxer = null;\n }\n }\n const observer = this.observer;\n if (observer) {\n observer.removeAllListeners();\n this.observer = null;\n }\n }\n\n push (data, initSegment, audioCodec, videoCodec, frag, duration, accurateTimeOffset, defaultInitPTS) {\n const w = this.w;\n const timeOffset = Number.isFinite(frag.startPTS) ? frag.startPTS : frag.start;\n const decryptdata = frag.decryptdata;\n const lastFrag = this.frag;\n const discontinuity = !(lastFrag && (frag.cc === lastFrag.cc));\n const trackSwitch = !(lastFrag && (frag.level === lastFrag.level));\n const nextSN = lastFrag && (frag.sn === (lastFrag.sn + 1));\n const contiguous = !trackSwitch && nextSN;\n if (discontinuity) {\n logger.log(`${this.id}:discontinuity detected`);\n }\n\n if (trackSwitch) {\n logger.log(`${this.id}:switch detected`);\n }\n\n this.frag = frag;\n if (w) {\n // post fragment payload as transferable objects for ArrayBuffer (no copy)\n w.postMessage({ cmd: 'demux', data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS }, data instanceof ArrayBuffer ? [data] : []);\n } else {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.push(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n }\n }\n }\n\n onWorkerMessage (ev) {\n let data = ev.data,\n hls = this.hls;\n switch (data.event) {\n case 'init':\n // revoke the Object URL that was used to create demuxer worker, so as not to leak it\n global.URL.revokeObjectURL(this.w.objectURL);\n break;\n // special case for FRAG_PARSING_DATA: data1 and data2 are transferable objects\n case Event.FRAG_PARSING_DATA:\n data.data.data1 = new Uint8Array(data.data1);\n if (data.data2) {\n data.data.data2 = new Uint8Array(data.data2);\n }\n\n /* falls through */\n default:\n data.data = data.data || {};\n data.data.frag = this.frag;\n data.data.id = this.id;\n hls.trigger(data.event, data.data);\n break;\n }\n }\n}\n\nexport default Demuxer;\n","/**\n * @module LevelHelper\n *\n * Providing methods dealing with playlist sliding and drift\n *\n * TODO: Create an actual `Level` class/model that deals with all this logic in an object-oriented-manner.\n *\n * */\n\nimport { logger } from '../utils/logger';\n\nexport function addGroupId (level, type, id) {\n switch (type) {\n case 'audio':\n if (!level.audioGroupIds) {\n level.audioGroupIds = [];\n }\n level.audioGroupIds.push(id);\n break;\n case 'text':\n if (!level.textGroupIds) {\n level.textGroupIds = [];\n }\n level.textGroupIds.push(id);\n break;\n }\n}\n\nexport function updatePTS (fragments, fromIdx, toIdx) {\n let fragFrom = fragments[fromIdx], fragTo = fragments[toIdx], fragToPTS = fragTo.startPTS;\n // if we know startPTS[toIdx]\n if (Number.isFinite(fragToPTS)) {\n // update fragment duration.\n // it helps to fix drifts between playlist reported duration and fragment real duration\n if (toIdx > fromIdx) {\n fragFrom.duration = fragToPTS - fragFrom.start;\n if (fragFrom.duration < 0) {\n logger.warn(`negative duration computed for frag ${fragFrom.sn},level ${fragFrom.level}, there should be some duration drift between playlist and fragment!`);\n }\n } else {\n fragTo.duration = fragFrom.start - fragToPTS;\n if (fragTo.duration < 0) {\n logger.warn(`negative duration computed for frag ${fragTo.sn},level ${fragTo.level}, there should be some duration drift between playlist and fragment!`);\n }\n }\n } else {\n // we dont know startPTS[toIdx]\n if (toIdx > fromIdx) {\n fragTo.start = fragFrom.start + fragFrom.duration;\n } else {\n fragTo.start = Math.max(fragFrom.start - fragTo.duration, 0);\n }\n }\n}\n\nexport function updateFragPTSDTS (details, frag, startPTS, endPTS, startDTS, endDTS) {\n // update frag PTS/DTS\n let maxStartPTS = startPTS;\n if (Number.isFinite(frag.startPTS)) {\n // delta PTS between audio and video\n let deltaPTS = Math.abs(frag.startPTS - startPTS);\n if (!Number.isFinite(frag.deltaPTS)) {\n frag.deltaPTS = deltaPTS;\n } else {\n frag.deltaPTS = Math.max(deltaPTS, frag.deltaPTS);\n }\n\n maxStartPTS = Math.max(startPTS, frag.startPTS);\n startPTS = Math.min(startPTS, frag.startPTS);\n endPTS = Math.max(endPTS, frag.endPTS);\n startDTS = Math.min(startDTS, frag.startDTS);\n endDTS = Math.max(endDTS, frag.endDTS);\n }\n\n const drift = startPTS - frag.start;\n frag.start = frag.startPTS = startPTS;\n frag.maxStartPTS = maxStartPTS;\n frag.endPTS = endPTS;\n frag.startDTS = startDTS;\n frag.endDTS = endDTS;\n frag.duration = endPTS - startPTS;\n\n const sn = frag.sn;\n // exit if sn out of range\n if (!details || sn < details.startSN || sn > details.endSN) {\n return 0;\n }\n\n let fragIdx, fragments, i;\n fragIdx = sn - details.startSN;\n fragments = details.fragments;\n // update frag reference in fragments array\n // rationale is that fragments array might not contain this frag object.\n // this will happen if playlist has been refreshed between frag loading and call to updateFragPTSDTS()\n // if we don't update frag, we won't be able to propagate PTS info on the playlist\n // resulting in invalid sliding computation\n fragments[fragIdx] = frag;\n // adjust fragment PTS/duration from seqnum-1 to frag 0\n for (i = fragIdx; i > 0; i--) {\n updatePTS(fragments, i, i - 1);\n }\n\n // adjust fragment PTS/duration from seqnum to last frag\n for (i = fragIdx; i < fragments.length - 1; i++) {\n updatePTS(fragments, i, i + 1);\n }\n\n details.PTSKnown = true;\n return drift;\n}\n\nexport function mergeDetails (oldDetails, newDetails) {\n // potentially retrieve cached initsegment\n if (newDetails.initSegment && oldDetails.initSegment) {\n newDetails.initSegment = oldDetails.initSegment;\n }\n\n // check if old/new playlists have fragments in common\n // loop through overlapping SN and update startPTS , cc, and duration if any found\n let ccOffset = 0;\n let PTSFrag;\n mapFragmentIntersection(oldDetails, newDetails, (oldFrag, newFrag) => {\n ccOffset = oldFrag.cc - newFrag.cc;\n if (Number.isFinite(oldFrag.startPTS)) {\n newFrag.start = newFrag.startPTS = oldFrag.startPTS;\n newFrag.endPTS = oldFrag.endPTS;\n newFrag.duration = oldFrag.duration;\n newFrag.backtracked = oldFrag.backtracked;\n newFrag.dropped = oldFrag.dropped;\n PTSFrag = newFrag;\n }\n // PTS is known when there are overlapping segments\n newDetails.PTSKnown = true;\n });\n\n if (!newDetails.PTSKnown) {\n return;\n }\n\n if (ccOffset) {\n logger.log('discontinuity sliding from playlist, take drift into account');\n const newFragments = newDetails.fragments;\n for (let i = 0; i < newFragments.length; i++) {\n newFragments[i].cc += ccOffset;\n }\n }\n\n // if at least one fragment contains PTS info, recompute PTS information for all fragments\n if (PTSFrag) {\n updateFragPTSDTS(newDetails, PTSFrag, PTSFrag.startPTS, PTSFrag.endPTS, PTSFrag.startDTS, PTSFrag.endDTS);\n } else {\n // ensure that delta is within oldFragments range\n // also adjust sliding in case delta is 0 (we could have old=[50-60] and new=old=[50-61])\n // in that case we also need to adjust start offset of all fragments\n adjustSliding(oldDetails, newDetails);\n }\n // if we are here, it means we have fragments overlapping between\n // old and new level. reliable PTS info is thus relying on old level\n newDetails.PTSKnown = oldDetails.PTSKnown;\n}\n\nexport function mergeSubtitlePlaylists (oldPlaylist, newPlaylist, referenceStart = 0) {\n let lastIndex = -1;\n mapFragmentIntersection(oldPlaylist, newPlaylist, (oldFrag, newFrag, index) => {\n newFrag.start = oldFrag.start;\n lastIndex = index;\n });\n\n const frags = newPlaylist.fragments;\n if (lastIndex < 0) {\n frags.forEach(frag => {\n frag.start += referenceStart;\n });\n return;\n }\n\n for (let i = lastIndex + 1; i < frags.length; i++) {\n frags[i].start = (frags[i - 1].start + frags[i - 1].duration);\n }\n}\n\nexport function mapFragmentIntersection (oldPlaylist, newPlaylist, intersectionFn) {\n if (!oldPlaylist || !newPlaylist) {\n return;\n }\n\n const start = Math.max(oldPlaylist.startSN, newPlaylist.startSN) - newPlaylist.startSN;\n const end = Math.min(oldPlaylist.endSN, newPlaylist.endSN) - newPlaylist.startSN;\n const delta = newPlaylist.startSN - oldPlaylist.startSN;\n\n for (let i = start; i <= end; i++) {\n const oldFrag = oldPlaylist.fragments[delta + i];\n const newFrag = newPlaylist.fragments[i];\n if (!oldFrag || !newFrag) {\n break;\n }\n intersectionFn(oldFrag, newFrag, i);\n }\n}\n\nexport function adjustSliding (oldPlaylist, newPlaylist) {\n const delta = newPlaylist.startSN - oldPlaylist.startSN;\n const oldFragments = oldPlaylist.fragments;\n const newFragments = newPlaylist.fragments;\n\n if (delta < 0 || delta > oldFragments.length) {\n return;\n }\n for (let i = 0; i < newFragments.length; i++) {\n newFragments[i].start += oldFragments[delta].start;\n }\n}\n\nexport function computeReloadInterval (currentPlaylist, newPlaylist, lastRequestTime) {\n let reloadInterval = 1000 * (newPlaylist.averagetargetduration ? newPlaylist.averagetargetduration : newPlaylist.targetduration);\n const minReloadInterval = reloadInterval / 2;\n if (currentPlaylist && newPlaylist.endSN === currentPlaylist.endSN) {\n // follow HLS Spec, If the client reloads a Playlist file and finds that it has not\n // changed then it MUST wait for a period of one-half the target\n // duration before retrying.\n reloadInterval = minReloadInterval;\n }\n\n if (lastRequestTime) {\n reloadInterval = Math.max(minReloadInterval, reloadInterval - (window.performance.now() - lastRequestTime));\n }\n // in any case, don't reload more than half of target duration\n return Math.round(reloadInterval);\n}\n","/**\n * TimeRanges to string helper\n */\n\nconst TimeRanges = {\n toString: function (r: TimeRanges) {\n let log = '';\n let len = r.length;\n for (let i = 0; i < len; i++) {\n log += '[' + r.start(i).toFixed(3) + ',' + r.end(i).toFixed(3) + ']';\n }\n\n return log;\n }\n};\n\nexport default TimeRanges;\n","import BinarySearch from './binary-search';\nimport { logger } from '../utils/logger';\n\nexport function findFirstFragWithCC (fragments, cc) {\n let firstFrag = null;\n\n for (let i = 0; i < fragments.length; i += 1) {\n const currentFrag = fragments[i];\n if (currentFrag && currentFrag.cc === cc) {\n firstFrag = currentFrag;\n break;\n }\n }\n\n return firstFrag;\n}\n\nexport function findFragWithCC (fragments, CC) {\n return BinarySearch.search(fragments, (candidate) => {\n if (candidate.cc < CC) {\n return 1;\n } else if (candidate.cc > CC) {\n return -1;\n } else {\n return 0;\n }\n });\n}\n\nexport function shouldAlignOnDiscontinuities (lastFrag, lastLevel, details) {\n let shouldAlign = false;\n if (lastLevel && lastLevel.details && details) {\n if (details.endCC > details.startCC || (lastFrag && lastFrag.cc < details.startCC)) {\n shouldAlign = true;\n }\n }\n return shouldAlign;\n}\n\n// Find the first frag in the previous level which matches the CC of the first frag of the new level\nexport function findDiscontinuousReferenceFrag (prevDetails, curDetails) {\n const prevFrags = prevDetails.fragments;\n const curFrags = curDetails.fragments;\n\n if (!curFrags.length || !prevFrags.length) {\n logger.log('No fragments to align');\n return;\n }\n\n const prevStartFrag = findFirstFragWithCC(prevFrags, curFrags[0].cc);\n\n if (!prevStartFrag || (prevStartFrag && !prevStartFrag.startPTS)) {\n logger.log('No frag in previous level to align on');\n return;\n }\n\n return prevStartFrag;\n}\n\nexport function adjustPts (sliding, details) {\n details.fragments.forEach((frag) => {\n if (frag) {\n let start = frag.start + sliding;\n frag.start = frag.startPTS = start;\n frag.endPTS = start + frag.duration;\n }\n });\n details.PTSKnown = true;\n}\n\n/**\n * Using the parameters of the last level, this function computes PTS' of the new fragments so that they form a\n * contiguous stream with the last fragments.\n * The PTS of a fragment lets Hls.js know where it fits into a stream - by knowing every PTS, we know which fragment to\n * download at any given time. PTS is normally computed when the fragment is demuxed, so taking this step saves us time\n * and an extra download.\n * @param lastFrag\n * @param lastLevel\n * @param details\n */\nexport function alignStream (lastFrag, lastLevel, details) {\n alignDiscontinuities(lastFrag, details, lastLevel);\n if (!details.PTSKnown && lastLevel) {\n // If the PTS wasn't figured out via discontinuity sequence that means there was no CC increase within the level.\n // Aligning via Program Date Time should therefore be reliable, since PDT should be the same within the same\n // discontinuity sequence.\n alignPDT(details, lastLevel.details);\n }\n}\n\n/**\n * Computes the PTS if a new level's fragments using the PTS of a fragment in the last level which shares the same\n * discontinuity sequence.\n * @param lastLevel - The details of the last loaded level\n * @param details - The details of the new level\n */\nexport function alignDiscontinuities (lastFrag, details, lastLevel) {\n if (shouldAlignOnDiscontinuities(lastFrag, lastLevel, details)) {\n const referenceFrag = findDiscontinuousReferenceFrag(lastLevel.details, details);\n if (referenceFrag) {\n logger.log('Adjusting PTS using last level due to CC increase within current level');\n adjustPts(referenceFrag.start, details);\n }\n }\n}\n\n/**\n * Computes the PTS of a new level's fragments using the difference in Program Date Time from the last level.\n * @param details - The details of the new level\n * @param lastDetails - The details of the last loaded level\n */\nexport function alignPDT (details, lastDetails) {\n if (lastDetails && lastDetails.fragments.length) {\n if (!details.hasProgramDateTime || !lastDetails.hasProgramDateTime) {\n return;\n }\n // if last level sliding is 1000 and its first frag PROGRAM-DATE-TIME is 2017-08-20 1:10:00 AM\n // and if new details first frag PROGRAM DATE-TIME is 2017-08-20 1:10:08 AM\n // then we can deduce that playlist B sliding is 1000+8 = 1008s\n let lastPDT = lastDetails.fragments[0].programDateTime;\n let newPDT = details.fragments[0].programDateTime;\n // date diff is in ms. frag.start is in seconds\n let sliding = (newPDT - lastPDT) / 1000 + lastDetails.fragments[0].start;\n if (Number.isFinite(sliding)) {\n logger.log(`adjusting PTS using programDateTime delta, sliding:${sliding.toFixed(3)}`);\n adjustPts(sliding, details);\n }\n }\n}\n","import BinarySearch from '../utils/binary-search';\nimport Fragment from '../loader/fragment';\n\n/**\n * Returns first fragment whose endPdt value exceeds the given PDT.\n * @param {Array<Fragment>} fragments - The array of candidate fragments\n * @param {number|null} [PDTValue = null] - The PDT value which must be exceeded\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start/end can be within in order to be considered contiguous\n * @returns {*|null} fragment - The best matching fragment\n */\nexport function findFragmentByPDT (fragments: Array<Fragment>, PDTValue: number | null, maxFragLookUpTolerance: number): Fragment | null {\n if (PDTValue === null || !Array.isArray(fragments) || !fragments.length || !Number.isFinite(PDTValue)) {\n return null;\n }\n\n // if less than start\n const startPDT = fragments[0].programDateTime;\n if (PDTValue < (startPDT || 0)) {\n return null;\n }\n\n const endPDT = fragments[fragments.length - 1].endProgramDateTime;\n if (PDTValue >= (endPDT || 0)) {\n return null;\n }\n\n maxFragLookUpTolerance = maxFragLookUpTolerance || 0;\n for (let seg = 0; seg < fragments.length; ++seg) {\n let frag = fragments[seg];\n if (pdtWithinToleranceTest(PDTValue, maxFragLookUpTolerance, frag)) {\n return frag;\n }\n }\n\n return null;\n}\n\n/**\n * Finds a fragment based on the SN of the previous fragment; or based on the needs of the current buffer.\n * This method compensates for small buffer gaps by applying a tolerance to the start of any candidate fragment, thus\n * breaking any traps which would cause the same fragment to be continuously selected within a small range.\n * @param {*} fragPrevious - The last frag successfully appended\n * @param {Array<Fragment>} fragments - The array of candidate fragments\n * @param {number} [bufferEnd = 0] - The end of the contiguous buffered range the playhead is currently within\n * @param {number} maxFragLookUpTolerance - The amount of time that a fragment's start/end can be within in order to be considered contiguous\n * @returns {*} foundFrag - The best matching fragment\n */\nexport function findFragmentByPTS (fragPrevious: Fragment, fragments: Array<Fragment>, bufferEnd: number = 0, maxFragLookUpTolerance: number = 0): Fragment | null {\n const fragNext = fragPrevious ? fragments[fragPrevious.sn as number - (fragments[0].sn as number) + 1] : null;\n // Prefer the next fragment if it's within tolerance\n if (fragNext && !fragmentWithinToleranceTest(bufferEnd, maxFragLookUpTolerance, fragNext)) {\n return fragNext;\n }\n return BinarySearch.search(fragments, fragmentWithinToleranceTest.bind(null, bufferEnd, maxFragLookUpTolerance));\n}\n\n/**\n * The test function used by the findFragmentBySn's BinarySearch to look for the best match to the current buffer conditions.\n * @param {*} candidate - The fragment to test\n * @param {number} [bufferEnd = 0] - The end of the current buffered range the playhead is currently within\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start can be within in order to be considered contiguous\n * @returns {number} - 0 if it matches, 1 if too low, -1 if too high\n */\nexport function fragmentWithinToleranceTest (bufferEnd = 0, maxFragLookUpTolerance = 0, candidate: Fragment) {\n // offset should be within fragment boundary - config.maxFragLookUpTolerance\n // this is to cope with situations like\n // bufferEnd = 9.991\n // frag[Ø] : [0,10]\n // frag[1] : [10,20]\n // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here\n // frag start frag start+duration\n // |-----------------------------|\n // <---> <--->\n // ...--------><-----------------------------><---------....\n // previous frag matching fragment next frag\n // return -1 return 0 return 1\n // logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`);\n // Set the lookup tolerance to be small enough to detect the current segment - ensures we don't skip over very small segments\n let candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration + (candidate.deltaPTS ? candidate.deltaPTS : 0));\n if (candidate.start + candidate.duration - candidateLookupTolerance <= bufferEnd) {\n return 1;\n } else if (candidate.start - candidateLookupTolerance > bufferEnd && candidate.start) {\n // if maxFragLookUpTolerance will have negative value then don't return -1 for first element\n return -1;\n }\n\n return 0;\n}\n\n/**\n * The test function used by the findFragmentByPdt's BinarySearch to look for the best match to the current buffer conditions.\n * This function tests the candidate's program date time values, as represented in Unix time\n * @param {*} candidate - The fragment to test\n * @param {number} [pdtBufferEnd = 0] - The Unix time representing the end of the current buffered range\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start can be within in order to be considered contiguous\n * @returns {boolean} True if contiguous, false otherwise\n */\nexport function pdtWithinToleranceTest (pdtBufferEnd: number, maxFragLookUpTolerance: number, candidate: Fragment): boolean {\n let candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration + (candidate.deltaPTS ? candidate.deltaPTS : 0)) * 1000;\n\n // endProgramDateTime can be null, default to zero\n const endProgramDateTime = candidate.endProgramDateTime || 0;\n return endProgramDateTime - candidateLookupTolerance > pdtBufferEnd;\n}\n","import { BufferHelper } from '../utils/buffer-helper';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport Event from '../events';\nimport { logger } from '../utils/logger';\n\nexport const STALL_MINIMUM_DURATION_MS = 250;\nexport const MAX_START_GAP_JUMP = 2.0;\nexport const SKIP_BUFFER_HOLE_STEP_SECONDS = 0.1;\nexport const SKIP_BUFFER_RANGE_START = 0.05;\n\nexport default class GapController {\n constructor (config, media, fragmentTracker, hls) {\n this.config = config;\n this.media = media;\n this.fragmentTracker = fragmentTracker;\n this.hls = hls;\n this.nudgeRetry = 0;\n this.stallReported = false;\n this.stalled = null;\n this.moved = false;\n this.seeking = false;\n }\n\n /**\n * Checks if the playhead is stuck within a gap, and if so, attempts to free it.\n * A gap is an unbuffered range between two buffered ranges (or the start and the first buffered range).\n *\n * @param {number} lastCurrentTime Previously read playhead position\n */\n poll (lastCurrentTime) {\n const { config, media, stalled } = this;\n const { currentTime, seeking } = media;\n const seeked = this.seeking && !seeking;\n const beginSeek = !this.seeking && seeking;\n\n this.seeking = seeking;\n\n // The playhead is moving, no-op\n if (currentTime !== lastCurrentTime) {\n this.moved = true;\n if (stalled !== null) {\n // The playhead is now moving, but was previously stalled\n if (this.stallReported) {\n const stalledDuration = self.performance.now() - stalled;\n logger.warn(`playback not stuck anymore @${currentTime}, after ${Math.round(stalledDuration)}ms`);\n this.stallReported = false;\n }\n this.stalled = null;\n this.nudgeRetry = 0;\n }\n return;\n }\n\n // Clear stalled state when beginning or finishing seeking so that we don't report stalls coming out of a seek\n if (beginSeek || seeked) {\n this.stalled = null;\n }\n\n const { seekWithinTolerance } = this.config;\n if (seekWithinTolerance && (seeking || seeked)) {\n this.seekWithinToleranceIfNeeded();\n }\n\n // The playhead should not be moving\n if (media.paused || media.ended || media.playbackRate === 0 || !media.buffered.length) {\n return;\n }\n\n const bufferInfo = BufferHelper.bufferInfo(media, currentTime, 0);\n const isBuffered = bufferInfo.len > 0;\n const nextStart = bufferInfo.nextStart || 0;\n\n // There is no playable buffer (waiting for buffer append)\n if (!isBuffered && !nextStart) {\n return;\n }\n\n if (seeking) {\n // Waiting for seeking in a buffered range to complete\n const hasEnoughBuffer = bufferInfo.len > MAX_START_GAP_JUMP;\n // Next buffered range is too far ahead to jump to while still seeking\n const noBufferGap = !nextStart || nextStart - currentTime > MAX_START_GAP_JUMP;\n if (hasEnoughBuffer || noBufferGap) {\n return;\n }\n // Reset moved state when seeking to a point in or before a gap\n this.moved = false;\n }\n\n // Skip start gaps if we haven't played, but the last poll detected the start of a stall\n // The addition poll gives the browser a chance to jump the gap for us\n if (!this.moved && this.stalled) {\n // Jump start gaps within jump threshold\n const startJump = Math.max(nextStart, bufferInfo.start || 0) - currentTime;\n if (startJump > 0 && startJump <= MAX_START_GAP_JUMP) {\n this._trySkipBufferHole(null);\n return;\n }\n }\n\n // Start tracking stall time\n const tnow = self.performance.now();\n if (stalled === null) {\n this.stalled = tnow;\n return;\n }\n\n const stalledDuration = tnow - stalled;\n if (!seeking && stalledDuration >= STALL_MINIMUM_DURATION_MS) {\n // Report stalling after trying to fix\n this._reportStall(bufferInfo.len);\n }\n\n const bufferedWithHoles = BufferHelper.bufferInfo(media, currentTime, config.maxBufferHole);\n this._tryFixBufferStall(bufferedWithHoles, stalledDuration);\n }\n\n // If current position is outside of buffered range and there is a buffered fragment within `maxFragLookUpTolerance`\n // will seek to this buffered fragment. It helps to prevent playback stalls\n seekWithinToleranceIfNeeded() {\n const media = this.media;\n const currentTime = media ? media.currentTime : undefined;\n const { maxFragLookUpTolerance } = this.config;\n\n // Trying to find buffered position within `maxFragLookUpTolerance`. Returns same position if\n // current time is already inside of buffered range or there is no buffered fragment\n // within `maxFragLookUpTolerance`.\n const bufferedPosWithinTolerance =\n BufferHelper.getBufferedPosWithinTolerance(media, currentTime, maxFragLookUpTolerance);\n\n if (currentTime !== bufferedPosWithinTolerance) {\n logger.log(`seeking to position within maxFragLookUpTolerance - ${bufferedPosWithinTolerance}`);\n media.currentTime = bufferedPosWithinTolerance;\n return true;\n }\n\n return false;\n }\n\n /**\n * Detects and attempts to fix known buffer stalling issues.\n * @param bufferInfo - The properties of the current buffer.\n * @param stalledDurationMs - The amount of time Hls.js has been stalling for.\n * @private\n */\n _tryFixBufferStall (bufferInfo, stalledDurationMs) {\n const { config, fragmentTracker, media } = this;\n const currentTime = media.currentTime;\n\n const partial = fragmentTracker.getPartialFragment(currentTime);\n if (partial) {\n // Try to skip over the buffer hole caused by a partial fragment\n // This method isn't limited by the size of the gap between buffered ranges\n const targetTime = this._trySkipBufferHole(partial);\n // we return here in this case, meaning\n // the branch below only executes when we don't handle a partial fragment\n if (targetTime) {\n return;\n }\n }\n\n // if we haven't had to skip over a buffer hole of a partial fragment\n // we may just have to \"nudge\" the playlist as the browser decoding/rendering engine\n // needs to cross some sort of threshold covering all source-buffers content\n // to start playing properly.\n if (bufferInfo.len > config.maxBufferHole &&\n stalledDurationMs > config.highBufferWatchdogPeriod * 1000) {\n logger.warn('Trying to nudge playhead over buffer-hole');\n // Try to nudge currentTime over a buffer hole if we've been stalling for the configured amount of seconds\n // We only try to jump the hole if it's under the configured size\n // Reset stalled so to rearm watchdog timer\n this.stalled = null;\n this._tryNudgeBuffer();\n }\n }\n\n /**\n * Triggers a BUFFER_STALLED_ERROR event, but only once per stall period.\n * @param bufferLen - The playhead distance from the end of the current buffer segment.\n * @private\n */\n _reportStall (bufferLen) {\n const { hls, media, stallReported } = this;\n if (!stallReported) {\n // Report stalled error once\n this.stallReported = true;\n logger.warn(`Playback stalling at @${media.currentTime} due to low buffer`);\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_STALLED_ERROR,\n fatal: false,\n buffer: bufferLen\n });\n }\n }\n\n /**\n * Attempts to fix buffer stalls by jumping over known gaps caused by partial fragments\n * @param partial - The partial fragment found at the current time (where playback is stalling).\n * @private\n */\n _trySkipBufferHole (partial) {\n const { config, hls, media } = this;\n const currentTime = media.currentTime;\n let lastEndTime = 0;\n // Check if currentTime is between unbuffered regions of partial fragments\n for (let i = 0; i < media.buffered.length; i++) {\n const startTime = media.buffered.start(i);\n if (currentTime + config.maxBufferHole >= lastEndTime && currentTime < startTime) {\n const targetTime = Math.max(startTime + SKIP_BUFFER_RANGE_START, media.currentTime + SKIP_BUFFER_HOLE_STEP_SECONDS);\n logger.warn(`skipping hole, adjusting currentTime from ${currentTime} to ${targetTime}`);\n this.moved = true;\n this.stalled = null;\n media.currentTime = targetTime;\n if (partial) {\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_SEEK_OVER_HOLE,\n fatal: false,\n reason: `fragment loaded with buffer holes, seeking from ${currentTime} to ${targetTime}`,\n frag: partial\n });\n }\n return targetTime;\n }\n lastEndTime = media.buffered.end(i);\n }\n return 0;\n }\n\n /**\n * Attempts to fix buffer stalls by advancing the mediaElement's current time by a small amount.\n * @private\n */\n _tryNudgeBuffer () {\n const { config, hls, media } = this;\n const currentTime = media.currentTime;\n const nudgeRetry = (this.nudgeRetry || 0) + 1;\n this.nudgeRetry = nudgeRetry;\n\n if (nudgeRetry < config.nudgeMaxRetry) {\n const targetTime = currentTime + nudgeRetry * config.nudgeOffset;\n // playback stalled in buffered area ... let's nudge currentTime to try to overcome this\n logger.warn(`Nudging 'currentTime' from ${currentTime} to ${targetTime}`);\n media.currentTime = targetTime;\n\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_NUDGE_ON_STALL,\n fatal: false\n });\n } else {\n logger.error(`Playhead still not moving while enough data buffered @${currentTime} after ${config.nudgeMaxRetry} nudges`);\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_STALLED_ERROR,\n fatal: true\n });\n }\n }\n}\n","import EventHandler from './event-handler';\nimport Hls from './hls';\n\n/**\n * Sub-class specialization of EventHandler base class.\n *\n * TaskLoop allows to schedule a task function being called (optionnaly repeatedly) on the main loop,\n * scheduled asynchroneously, avoiding recursive calls in the same tick.\n *\n * The task itself is implemented in `doTick`. It can be requested and called for single execution\n * using the `tick` method.\n *\n * It will be assured that the task execution method (`tick`) only gets called once per main loop \"tick\",\n * no matter how often it gets requested for execution. Execution in further ticks will be scheduled accordingly.\n *\n * If further execution requests have already been scheduled on the next tick, it can be checked with `hasNextTick`,\n * and cancelled with `clearNextTick`.\n *\n * The task can be scheduled as an interval repeatedly with a period as parameter (see `setInterval`, `clearInterval`).\n *\n * Sub-classes need to implement the `doTick` method which will effectively have the task execution routine.\n *\n * Further explanations:\n *\n * The baseclass has a `tick` method that will schedule the doTick call. It may be called synchroneously\n * only for a stack-depth of one. On re-entrant calls, sub-sequent calls are scheduled for next main loop ticks.\n *\n * When the task execution (`tick` method) is called in re-entrant way this is detected and\n * we are limiting the task execution per call stack to exactly one, but scheduling/post-poning further\n * task processing on the next main loop iteration (also known as \"next tick\" in the Node/JS runtime lingo).\n */\n\nexport default class TaskLoop extends EventHandler {\n private readonly _boundTick: () => void;\n private _tickTimer: number | null = null;\n private _tickInterval: number | null = null;\n private _tickCallCount = 0;\n\n constructor (hls: Hls, ...events: string[]) {\n super(hls, ...events);\n this._boundTick = this.tick.bind(this);\n }\n\n /**\n * @override\n */\n protected onHandlerDestroying () {\n // clear all timers before unregistering from event bus\n this.clearNextTick();\n this.clearInterval();\n }\n\n /**\n * @returns {boolean}\n */\n public hasInterval (): boolean {\n return !!this._tickInterval;\n }\n\n /**\n * @returns {boolean}\n */\n public hasNextTick (): boolean {\n return !!this._tickTimer;\n }\n\n /**\n * @param {number} millis Interval time (ms)\n * @returns {boolean} True when interval has been scheduled, false when already scheduled (no effect)\n */\n public setInterval (millis: number): boolean {\n if (!this._tickInterval) {\n this._tickInterval = self.setInterval(this._boundTick, millis);\n return true;\n }\n return false;\n }\n\n /**\n * @returns {boolean} True when interval was cleared, false when none was set (no effect)\n */\n public clearInterval (): boolean {\n if (this._tickInterval) {\n self.clearInterval(this._tickInterval);\n this._tickInterval = null;\n return true;\n }\n return false;\n }\n\n /**\n * @returns {boolean} True when timeout was cleared, false when none was set (no effect)\n */\n public clearNextTick (): boolean {\n if (this._tickTimer) {\n self.clearTimeout(this._tickTimer);\n this._tickTimer = null;\n return true;\n }\n return false;\n }\n\n /**\n * Will call the subclass doTick implementation in this main loop tick\n * or in the next one (via setTimeout(,0)) in case it has already been called\n * in this tick (in case this is a re-entrant call).\n */\n public tick (): void {\n this._tickCallCount++;\n if (this._tickCallCount === 1) {\n this.doTick();\n // re-entrant call to tick from previous doTick call stack\n // -> schedule a call on the next main loop iteration to process this task processing request\n if (this._tickCallCount > 1) {\n // make sure only one timer exists at any time at max\n this.clearNextTick();\n this._tickTimer = self.setTimeout(this._boundTick, 0);\n }\n this._tickCallCount = 0;\n }\n }\n\n /**\n * For subclass to implement task logic\n * @abstract\n */\n protected doTick (): void {}\n}\n","import TaskLoop from '../task-loop';\nimport { FragmentState } from './fragment-tracker';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport { logger } from '../utils/logger';\n\nexport const State = {\n STOPPED: 'STOPPED',\n STARTING: 'STARTING',\n IDLE: 'IDLE',\n PAUSED: 'PAUSED',\n KEY_LOADING: 'KEY_LOADING',\n FRAG_LOADING: 'FRAG_LOADING',\n FRAG_LOADING_WAITING_RETRY: 'FRAG_LOADING_WAITING_RETRY',\n WAITING_TRACK: 'WAITING_TRACK',\n PARSING: 'PARSING',\n PARSED: 'PARSED',\n BUFFER_FLUSHING: 'BUFFER_FLUSHING',\n ENDED: 'ENDED',\n ERROR: 'ERROR',\n WAITING_INIT_PTS: 'WAITING_INIT_PTS',\n WAITING_LEVEL: 'WAITING_LEVEL'\n};\n\nexport default class BaseStreamController extends TaskLoop {\n doTick () {}\n\n startLoad () {}\n\n stopLoad () {\n let frag = this.fragCurrent;\n if (frag) {\n if (frag.loader) {\n frag.loader.abort();\n }\n this.fragmentTracker.removeFragment(frag);\n }\n if (this.demuxer) {\n this.demuxer.destroy();\n this.demuxer = null;\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n this.clearInterval();\n this.clearNextTick();\n this.state = State.STOPPED;\n }\n\n _streamEnded (bufferInfo, levelDetails) {\n const { fragCurrent, fragmentTracker } = this;\n // we just got done loading the final fragment and there is no other buffered range after ...\n // rationale is that in case there are any buffered ranges after, it means that there are unbuffered portion in between\n // so we should not switch to ENDED in that case, to be able to buffer them\n // dont switch to ENDED if we need to backtrack last fragment\n if (!levelDetails.live && fragCurrent && !fragCurrent.backtracked && fragCurrent.sn === levelDetails.endSN && !bufferInfo.nextStart) {\n const fragState = fragmentTracker.getState(fragCurrent);\n return fragState === FragmentState.PARTIAL || fragState === FragmentState.OK;\n }\n return false;\n }\n\n onMediaSeeking () {\n const { config, media, mediaBuffer, state } = this;\n const currentTime = media ? media.currentTime : null;\n const bufferInfo = BufferHelper.bufferInfo(mediaBuffer || media, currentTime, this.config.maxBufferHole);\n\n if (Number.isFinite(currentTime)) {\n logger.log(`media seeking to ${currentTime.toFixed(3)}`);\n }\n\n if (state === State.FRAG_LOADING) {\n let fragCurrent = this.fragCurrent;\n // check if we are seeking to a unbuffered area AND if frag loading is in progress\n if (bufferInfo.len === 0 && fragCurrent) {\n const tolerance = config.maxFragLookUpTolerance;\n const fragStartOffset = fragCurrent.start - tolerance;\n const fragEndOffset = fragCurrent.start + fragCurrent.duration + tolerance;\n // check if we seek position will be out of currently loaded frag range : if out cancel frag load, if in, don't do anything\n if (currentTime < fragStartOffset || currentTime > fragEndOffset) {\n if (fragCurrent.loader) {\n logger.log('seeking outside of buffer while fragment load in progress, cancel fragment load');\n fragCurrent.loader.abort();\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n // switch to IDLE state to load new fragment\n this.state = State.IDLE;\n } else {\n logger.log('seeking outside of buffer but within currently loaded fragment range');\n }\n }\n } else if (state === State.ENDED) {\n // if seeking to unbuffered area, clean up fragPrevious\n if (bufferInfo.len === 0) {\n this.fragPrevious = null;\n this.fragCurrent = null;\n }\n\n // switch to IDLE state to check for potential new fragment\n this.state = State.IDLE;\n }\n if (media) {\n this.lastCurrentTime = currentTime;\n }\n\n // in case seeking occurs although no media buffered, adjust startPosition and nextLoadPosition to seek target\n if (!this.loadedmetadata) {\n this.nextLoadPosition = this.startPosition = currentTime;\n }\n\n // tick to speed up processing\n this.tick();\n }\n\n onMediaEnded () {\n // reset startPosition and lastCurrentTime to restart playback @ stream beginning\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n onHandlerDestroying () {\n this.stopLoad();\n super.onHandlerDestroying();\n }\n\n onHandlerDestroyed () {\n this.state = State.STOPPED;\n this.fragmentTracker = null;\n }\n\n computeLivePosition (sliding, levelDetails) {\n let targetLatency = this.config.liveSyncDuration !== undefined ? this.config.liveSyncDuration : this.config.liveSyncDurationCount * levelDetails.targetduration;\n return sliding + Math.max(0, levelDetails.totalduration - targetLatency);\n }\n}\n","/*\n * Stream Controller\n*/\n\nimport BinarySearch from '../utils/binary-search';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport Demuxer from '../demux/demuxer';\nimport Event from '../events';\nimport { FragmentState } from './fragment-tracker';\nimport { ElementaryStreamTypes } from '../loader/fragment';\nimport { PlaylistLevelType } from '../types/loader';\nimport * as LevelHelper from './level-helper';\nimport TimeRanges from '../utils/time-ranges';\nimport { ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport { alignStream } from '../utils/discontinuities';\nimport { findFragmentByPDT, findFragmentByPTS } from './fragment-finders';\nimport GapController from './gap-controller';\nimport BaseStreamController, { State } from './base-stream-controller';\n\nconst TICK_INTERVAL = 100; // how often to tick in ms\n\nclass StreamController extends BaseStreamController {\n constructor (hls, fragmentTracker) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.MANIFEST_LOADING,\n Event.MANIFEST_PARSED,\n Event.LEVEL_LOADED,\n Event.KEY_LOADED,\n Event.FRAG_LOADED,\n Event.FRAG_LOAD_EMERGENCY_ABORTED,\n Event.FRAG_PARSING_INIT_SEGMENT,\n Event.FRAG_PARSING_DATA,\n Event.FRAG_PARSED,\n Event.ERROR,\n Event.AUDIO_TRACK_SWITCHING,\n Event.AUDIO_TRACK_SWITCHED,\n Event.BUFFER_CREATED,\n Event.BUFFER_APPENDED,\n Event.BUFFER_FLUSHED);\n\n this.fragmentTracker = fragmentTracker;\n this.config = hls.config;\n this.audioCodecSwap = false;\n this._state = State.STOPPED;\n this.stallReported = false;\n this.gapController = null;\n this.altAudio = false;\n }\n\n startLoad (startPosition) {\n if (this.levels) {\n let lastCurrentTime = this.lastCurrentTime, hls = this.hls;\n this.stopLoad();\n this.setInterval(TICK_INTERVAL);\n this.level = -1;\n this.fragLoadError = 0;\n if (!this.startFragRequested) {\n // determine load level\n let startLevel = hls.startLevel;\n if (startLevel === -1) {\n // -1 : guess start Level by doing a bitrate test by loading first fragment of lowest quality level\n startLevel = 0;\n this.bitrateTest = true;\n }\n // set new level to playlist loader : this will trigger start level load\n // hls.nextLoadLevel remains until it is set to a new value or until a new frag is successfully loaded\n this.level = hls.nextLoadLevel = startLevel;\n this.loadedmetadata = false;\n }\n // if startPosition undefined but lastCurrentTime set, set startPosition to last currentTime\n if (lastCurrentTime > 0 && startPosition === -1) {\n logger.log(`override startPosition with lastCurrentTime @${lastCurrentTime.toFixed(3)}`);\n startPosition = lastCurrentTime;\n }\n this.state = State.IDLE;\n this.nextLoadPosition = this.startPosition = this.lastCurrentTime = startPosition;\n this.tick();\n } else {\n this.forceStartLoad = true;\n this.state = State.STOPPED;\n }\n }\n\n stopLoad () {\n this.forceStartLoad = false;\n super.stopLoad();\n }\n\n doTick () {\n switch (this.state) {\n case State.BUFFER_FLUSHING:\n // in buffer flushing state, reset fragLoadError counter\n this.fragLoadError = 0;\n break;\n case State.IDLE:\n this._doTickIdle();\n break;\n case State.WAITING_LEVEL:\n var level = this.levels[this.level];\n // check if playlist is already loaded\n if (level && level.details) {\n this.state = State.IDLE;\n }\n\n break;\n case State.FRAG_LOADING_WAITING_RETRY:\n var now = window.performance.now();\n var retryDate = this.retryDate;\n // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading\n if (!retryDate || (now >= retryDate) || (this.media && this.media.seeking)) {\n logger.log('mediaController: retryDate reached, switch back to IDLE state');\n this.state = State.IDLE;\n }\n break;\n case State.ERROR:\n case State.STOPPED:\n case State.FRAG_LOADING:\n case State.PARSING:\n case State.PARSED:\n case State.ENDED:\n break;\n default:\n break;\n }\n // check buffer\n this._checkBuffer();\n // check/update current fragment\n this._checkFragmentChanged();\n }\n\n // Ironically the \"idle\" state is the on we do the most logic in it seems ....\n // NOTE: Maybe we could rather schedule a check for buffer length after half of the currently\n // played segment, or on pause/play/seek instead of naively checking every 100ms?\n _doTickIdle () {\n const hls = this.hls,\n config = hls.config,\n media = this.media;\n\n // if start level not parsed yet OR\n // if video not attached AND start fragment already requested OR start frag prefetch disable\n // exit loop, as we either need more info (level not parsed) or we need media to be attached to load new fragment\n if (this.levelLastLoaded === undefined || (\n !media && (this.startFragRequested || !config.startFragPrefetch))) {\n return;\n }\n\n // if we have not yet loaded any fragment, start loading from start position\n let pos;\n if (this.loadedmetadata) {\n pos = media.currentTime;\n } else {\n pos = this.nextLoadPosition;\n }\n\n // determine next load level\n let level = hls.nextLoadLevel,\n levelInfo = this.levels[level];\n\n if (!levelInfo) {\n return;\n }\n\n let levelBitrate = levelInfo.bitrate,\n maxBufLen;\n\n // compute max Buffer Length that we could get from this load level, based on level bitrate.\n if (levelBitrate) {\n maxBufLen = Math.max(8 * config.maxBufferSize / levelBitrate, config.maxBufferLength);\n } else {\n maxBufLen = config.maxBufferLength;\n }\n\n maxBufLen = Math.min(maxBufLen, config.maxMaxBufferLength);\n\n // determine next candidate fragment to be loaded, based on current position and end of buffer position\n // ensure up to `config.maxMaxBufferLength` of buffer upfront\n\n const bufferInfo = BufferHelper.bufferInfo(this.mediaBuffer ? this.mediaBuffer : media, pos, config.maxBufferHole),\n bufferLen = bufferInfo.len;\n // Stay idle if we are still with buffer margins\n if (bufferLen >= maxBufLen) {\n return;\n }\n\n // if buffer length is less than maxBufLen try to load a new fragment ...\n logger.trace(`buffer length of ${bufferLen.toFixed(3)} is below max of ${maxBufLen.toFixed(3)}. checking for more payload ...`);\n\n // set next load level : this will trigger a playlist load if needed\n this.level = hls.nextLoadLevel = level;\n\n const levelDetails = levelInfo.details;\n // if level info not retrieved yet, switch state and wait for level retrieval\n // if live playlist, ensure that new playlist has been refreshed to avoid loading/try to load\n // a useless and outdated fragment (that might even introduce load error if it is already out of the live playlist)\n if (!levelDetails || (levelDetails.live && this.levelLastLoaded !== level)) {\n this.state = State.WAITING_LEVEL;\n return;\n }\n\n if (this._streamEnded(bufferInfo, levelDetails)) {\n const data = {};\n if (this.altAudio) {\n data.type = 'video';\n }\n\n this.hls.trigger(Event.BUFFER_EOS, data);\n this.state = State.ENDED;\n return;\n }\n // if we have the levelDetails for the selected variant, lets continue enrichen our stream (load keys/fragments or trigger EOS, etc..)\n this._fetchPayloadOrEos(pos, bufferInfo, levelDetails);\n }\n\n _fetchPayloadOrEos (pos, bufferInfo, levelDetails) {\n const fragPrevious = this.fragPrevious,\n level = this.level,\n fragments = levelDetails.fragments,\n fragLen = fragments.length;\n\n // empty playlist\n if (fragLen === 0) {\n return;\n }\n\n // find fragment index, contiguous with end of buffer position\n let start = fragments[0].start,\n end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration,\n bufferEnd = bufferInfo.end,\n frag;\n\n if (levelDetails.initSegment && !levelDetails.initSegment.data) {\n frag = levelDetails.initSegment;\n } else {\n // in case of live playlist we need to ensure that requested position is not located before playlist start\n if (levelDetails.live) {\n let initialLiveManifestSize = this.config.initialLiveManifestSize;\n if (fragLen < initialLiveManifestSize) {\n logger.warn(`Can not start playback of a level, reason: not enough fragments ${fragLen} < ${initialLiveManifestSize}`);\n return;\n }\n\n frag = this._ensureFragmentAtLivePoint(levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen);\n // if it explicitely returns null don't load any fragment and exit function now\n if (frag === null) {\n return;\n }\n } else {\n // VoD playlist: if bufferEnd before start of playlist, load first fragment\n if (bufferEnd < start) {\n frag = fragments[0];\n }\n }\n }\n if (!frag) {\n frag = this._findFragment(start, fragPrevious, fragLen, fragments, bufferEnd, end, levelDetails);\n }\n\n if (frag) {\n if (frag.encrypted) {\n logger.log(`Loading key for ${frag.sn} of [${levelDetails.startSN} ,${levelDetails.endSN}],level ${level}`);\n this._loadKey(frag);\n } else {\n logger.log(`Loading ${frag.sn} of [${levelDetails.startSN} ,${levelDetails.endSN}],level ${level}, currentTime:${pos.toFixed(3)},bufferEnd:${bufferEnd.toFixed(3)}`);\n this._loadFragment(frag);\n }\n }\n }\n\n _ensureFragmentAtLivePoint (levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen) {\n const config = this.hls.config, media = this.media;\n\n let frag;\n\n // check if requested position is within seekable boundaries :\n // logger.log(`start/pos/bufEnd/seeking:${start.toFixed(3)}/${pos.toFixed(3)}/${bufferEnd.toFixed(3)}/${this.media.seeking}`);\n let maxLatency = config.liveMaxLatencyDuration !== undefined ? config.liveMaxLatencyDuration : config.liveMaxLatencyDurationCount * levelDetails.targetduration;\n\n if (bufferEnd < Math.max(start - config.maxFragLookUpTolerance, end - maxLatency)) {\n let liveSyncPosition = this.liveSyncPosition = this.computeLivePosition(start, levelDetails);\n bufferEnd = liveSyncPosition;\n if (media && !media.paused && media.readyState && media.duration > liveSyncPosition && liveSyncPosition > media.currentTime) {\n logger.log(`buffer end: ${bufferEnd.toFixed(3)} is located too far from the end of live sliding playlist, reset currentTime to : ${liveSyncPosition.toFixed(3)}`);\n media.currentTime = liveSyncPosition;\n }\n\n this.nextLoadPosition = liveSyncPosition;\n }\n\n // if end of buffer greater than live edge, don't load any fragment\n // this could happen if live playlist intermittently slides in the past.\n // level 1 loaded [182580161,182580167]\n // level 1 loaded [182580162,182580169]\n // Loading 182580168 of [182580162 ,182580169],level 1 ..\n // Loading 182580169 of [182580162 ,182580169],level 1 ..\n // level 1 loaded [182580162,182580168] <============= here we should have bufferEnd > end. in that case break to avoid reloading 182580168\n // level 1 loaded [182580164,182580171]\n //\n // don't return null in case media not loaded yet (readystate === 0)\n if (levelDetails.PTSKnown && bufferEnd > end && media && media.readyState) {\n return null;\n }\n\n if (this.startFragRequested && !levelDetails.PTSKnown) {\n /* we are switching level on live playlist, but we don't have any PTS info for that quality level ...\n try to load frag matching with next SN.\n even if SN are not synchronized between playlists, loading this frag will help us\n compute playlist sliding and find the right one after in case it was not the right consecutive one */\n if (fragPrevious) {\n if (levelDetails.hasProgramDateTime) {\n // Relies on PDT in order to switch bitrates (Support EXT-X-DISCONTINUITY without EXT-X-DISCONTINUITY-SEQUENCE)\n logger.log(`live playlist, switching playlist, load frag with same PDT: ${fragPrevious.programDateTime}`);\n frag = findFragmentByPDT(fragments, fragPrevious.endProgramDateTime, config.maxFragLookUpTolerance);\n } else {\n // Uses buffer and sequence number to calculate switch segment (required if using EXT-X-DISCONTINUITY-SEQUENCE)\n const targetSN = fragPrevious.sn + 1;\n if (targetSN >= levelDetails.startSN && targetSN <= levelDetails.endSN) {\n const fragNext = fragments[targetSN - levelDetails.startSN];\n if (fragPrevious.cc === fragNext.cc) {\n frag = fragNext;\n logger.log(`live playlist, switching playlist, load frag with next SN: ${frag.sn}`);\n }\n }\n // next frag SN not available (or not with same continuity counter)\n // look for a frag sharing the same CC\n if (!frag) {\n frag = BinarySearch.search(fragments, function (frag) {\n return fragPrevious.cc - frag.cc;\n });\n if (frag) {\n logger.log(`live playlist, switching playlist, load frag with same CC: ${frag.sn}`);\n }\n }\n }\n }\n if (!frag) {\n /* we have no idea about which fragment should be loaded.\n so let's load mid fragment. it will help computing playlist sliding and find the right one\n */\n frag = fragments[Math.min(fragLen - 1, Math.round(fragLen / 2))];\n logger.log(`live playlist, switching playlist, unknown, load middle frag : ${frag.sn}`);\n }\n }\n\n return frag;\n }\n\n _findFragment (start, fragPreviousLoad, fragmentIndexRange, fragments, bufferEnd, end, levelDetails) {\n const config = this.hls.config;\n let fragNextLoad;\n\n if (bufferEnd < end) {\n const lookupTolerance = (bufferEnd > end - config.maxFragLookUpTolerance) ? 0 : config.maxFragLookUpTolerance;\n // Remove the tolerance if it would put the bufferEnd past the actual end of stream\n // Uses buffer and sequence number to calculate switch segment (required if using EXT-X-DISCONTINUITY-SEQUENCE)\n fragNextLoad = findFragmentByPTS(fragPreviousLoad, fragments, bufferEnd, lookupTolerance);\n } else {\n // reach end of playlist\n fragNextLoad = fragments[fragmentIndexRange - 1];\n }\n\n if (fragNextLoad) {\n const curSNIdx = fragNextLoad.sn - levelDetails.startSN;\n const sameLevel = fragPreviousLoad && fragNextLoad.level === fragPreviousLoad.level;\n const prevSnFrag = fragments[curSNIdx - 1];\n const nextSnFrag = fragments[curSNIdx + 1];\n\n // logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn);\n if (fragPreviousLoad && fragNextLoad.sn === fragPreviousLoad.sn) {\n if (sameLevel && !fragNextLoad.backtracked) {\n if (fragNextLoad.sn < levelDetails.endSN) {\n let deltaPTS = fragPreviousLoad.deltaPTS;\n // if there is a significant delta between audio and video, larger than max allowed hole,\n // and if previous remuxed fragment did not start with a keyframe. (fragPrevious.dropped)\n // let's try to load previous fragment again to get last keyframe\n // then we will reload again current fragment (that way we should be able to fill the buffer hole ...)\n if (deltaPTS && deltaPTS > config.maxBufferHole && fragPreviousLoad.dropped && curSNIdx) {\n fragNextLoad = prevSnFrag;\n logger.warn('Previous fragment was dropped with large PTS gap between audio and video. Maybe fragment is not starting with a keyframe? Loading previous one to try to overcome this');\n } else {\n fragNextLoad = nextSnFrag;\n logger.log(`Re-loading fragment with SN: ${fragNextLoad.sn}`);\n }\n } else {\n fragNextLoad = null;\n }\n } else if (fragNextLoad.backtracked) {\n // Only backtrack a max of 1 consecutive fragment to prevent sliding back too far when little or no frags start with keyframes\n if (nextSnFrag && nextSnFrag.backtracked) {\n logger.warn(`Already backtracked from fragment ${nextSnFrag.sn}, will not backtrack to fragment ${fragNextLoad.sn}. Loading fragment ${nextSnFrag.sn}`);\n fragNextLoad = nextSnFrag;\n } else {\n // If a fragment has dropped frames and it's in a same level/sequence, load the previous fragment to try and find the keyframe\n // Reset the dropped count now since it won't be reset until we parse the fragment again, which prevents infinite backtracking on the same segment\n logger.warn('Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe');\n fragNextLoad.dropped = 0;\n if (prevSnFrag) {\n fragNextLoad = prevSnFrag;\n fragNextLoad.backtracked = true;\n } else if (curSNIdx) {\n // can't backtrack on very first fragment\n fragNextLoad = null;\n }\n }\n }\n }\n }\n\n return fragNextLoad;\n }\n\n _loadKey (frag) {\n this.state = State.KEY_LOADING;\n this.hls.trigger(Event.KEY_LOADING, { frag });\n }\n\n _loadFragment (frag) {\n // Check if fragment is not loaded\n let fragState = this.fragmentTracker.getState(frag);\n\n this.fragCurrent = frag;\n if (frag.sn !== 'initSegment') {\n this.startFragRequested = true;\n }\n // Don't update nextLoadPosition for fragments which are not buffered\n if (Number.isFinite(frag.sn) && !frag.bitrateTest) {\n this.nextLoadPosition = frag.start + frag.duration;\n }\n\n // Allow backtracked fragments to load\n if (frag.backtracked || fragState === FragmentState.NOT_LOADED || fragState === FragmentState.PARTIAL) {\n frag.autoLevel = this.hls.autoLevelEnabled;\n frag.bitrateTest = this.bitrateTest;\n\n this.hls.trigger(Event.FRAG_LOADING, { frag });\n // lazy demuxer init, as this could take some time ... do it during frag loading\n if (!this.demuxer) {\n this.demuxer = new Demuxer(this.hls, 'main');\n }\n\n this.state = State.FRAG_LOADING;\n } else if (fragState === FragmentState.APPENDING) {\n // Lower the buffer size and try again\n if (this._reduceMaxBufferLength(frag.duration)) {\n this.fragmentTracker.removeFragment(frag);\n }\n }\n }\n\n set state (nextState) {\n if (this.state !== nextState) {\n const previousState = this.state;\n this._state = nextState;\n logger.log(`main stream-controller: ${previousState}->${nextState}`);\n this.hls.trigger(Event.STREAM_STATE_TRANSITION, { previousState, nextState });\n }\n }\n\n get state () {\n return this._state;\n }\n\n getBufferedFrag (position) {\n return this.fragmentTracker.getBufferedFrag(position, PlaylistLevelType.MAIN);\n }\n\n get currentLevel () {\n let media = this.media;\n if (media) {\n const frag = this.getBufferedFrag(media.currentTime);\n if (frag) {\n return frag.level;\n }\n }\n return -1;\n }\n\n get nextBufferedFrag () {\n let media = this.media;\n if (media) {\n // first get end range of current fragment\n return this.followingBufferedFrag(this.getBufferedFrag(media.currentTime));\n } else {\n return null;\n }\n }\n\n followingBufferedFrag (frag) {\n if (frag) {\n // try to get range of next fragment (500ms after this range)\n return this.getBufferedFrag(frag.endPTS + 0.5);\n }\n return null;\n }\n\n get nextLevel () {\n const frag = this.nextBufferedFrag;\n if (frag) {\n return frag.level;\n } else {\n return -1;\n }\n }\n\n _checkFragmentChanged () {\n let fragPlayingCurrent, currentTime, video = this.media;\n if (video && video.readyState && video.seeking === false) {\n currentTime = video.currentTime;\n /* if video element is in seeked state, currentTime can only increase.\n (assuming that playback rate is positive ...)\n As sometimes currentTime jumps back to zero after a\n media decode error, check this, to avoid seeking back to\n wrong position after a media decode error\n */\n if (currentTime > this.lastCurrentTime) {\n this.lastCurrentTime = currentTime;\n }\n\n if (BufferHelper.isBuffered(video, currentTime)) {\n fragPlayingCurrent = this.getBufferedFrag(currentTime);\n } else if (BufferHelper.isBuffered(video, currentTime + 0.1)) {\n /* ensure that FRAG_CHANGED event is triggered at startup,\n when first video frame is displayed and playback is paused.\n add a tolerance of 100ms, in case current position is not buffered,\n check if current pos+100ms is buffered and use that buffer range\n for FRAG_CHANGED event reporting */\n fragPlayingCurrent = this.getBufferedFrag(currentTime + 0.1);\n }\n if (fragPlayingCurrent) {\n let fragPlaying = fragPlayingCurrent;\n if (fragPlaying !== this.fragPlaying) {\n this.hls.trigger(Event.FRAG_CHANGED, { frag: fragPlaying });\n const fragPlayingLevel = fragPlaying.level;\n if (!this.fragPlaying || this.fragPlaying.level !== fragPlayingLevel) {\n this.hls.trigger(Event.LEVEL_SWITCHED, { level: fragPlayingLevel });\n }\n\n this.fragPlaying = fragPlaying;\n }\n }\n }\n }\n\n /*\n on immediate level switch :\n - pause playback if playing\n - cancel any pending load request\n - and trigger a buffer flush\n */\n immediateLevelSwitch () {\n logger.log('immediateLevelSwitch');\n if (!this.immediateSwitch) {\n this.immediateSwitch = true;\n let media = this.media, previouslyPaused;\n if (media) {\n previouslyPaused = media.paused;\n media.pause();\n } else {\n // don't restart playback after instant level switch in case media not attached\n previouslyPaused = true;\n }\n this.previouslyPaused = previouslyPaused;\n }\n let fragCurrent = this.fragCurrent;\n if (fragCurrent && fragCurrent.loader) {\n fragCurrent.loader.abort();\n }\n\n this.fragCurrent = null;\n // flush everything\n this.flushMainBuffer(0, Number.POSITIVE_INFINITY);\n }\n\n /**\n * on immediate level switch end, after new fragment has been buffered:\n * - nudge video decoder by slightly adjusting video currentTime (if currentTime buffered)\n * - resume the playback if needed\n */\n immediateLevelSwitchEnd () {\n const media = this.media;\n if (media && media.buffered.length) {\n this.immediateSwitch = false;\n if (BufferHelper.isBuffered(media, media.currentTime)) {\n // only nudge if currentTime is buffered\n media.currentTime -= 0.0001;\n }\n if (!this.previouslyPaused) {\n media.play();\n }\n }\n }\n\n /**\n * try to switch ASAP without breaking video playback:\n * in order to ensure smooth but quick level switching,\n * we need to find the next flushable buffer range\n * we should take into account new segment fetch time\n */\n nextLevelSwitch () {\n const media = this.media;\n // ensure that media is defined and that metadata are available (to retrieve currentTime)\n if (media && media.readyState) {\n let fetchdelay, fragPlayingCurrent, nextBufferedFrag;\n fragPlayingCurrent = this.getBufferedFrag(media.currentTime);\n if (fragPlayingCurrent && fragPlayingCurrent.startPTS > 1) {\n // flush buffer preceding current fragment (flush until current fragment start offset)\n // minus 1s to avoid video freezing, that could happen if we flush keyframe of current video ...\n this.flushMainBuffer(0, fragPlayingCurrent.startPTS - 1);\n }\n if (!media.paused) {\n // add a safety delay of 1s\n let nextLevelId = this.hls.nextLoadLevel, nextLevel = this.levels[nextLevelId], fragLastKbps = this.fragLastKbps;\n if (fragLastKbps && this.fragCurrent) {\n fetchdelay = this.fragCurrent.duration * nextLevel.bitrate / (1000 * fragLastKbps) + 1;\n } else {\n fetchdelay = 0;\n }\n } else {\n fetchdelay = 0;\n }\n // logger.log('fetchdelay:'+fetchdelay);\n // find buffer range that will be reached once new fragment will be fetched\n nextBufferedFrag = this.getBufferedFrag(media.currentTime + fetchdelay);\n if (nextBufferedFrag) {\n // we can flush buffer range following this one without stalling playback\n nextBufferedFrag = this.followingBufferedFrag(nextBufferedFrag);\n if (nextBufferedFrag) {\n // if we are here, we can also cancel any loading/demuxing in progress, as they are useless\n let fragCurrent = this.fragCurrent;\n if (fragCurrent && fragCurrent.loader) {\n fragCurrent.loader.abort();\n }\n\n this.fragCurrent = null;\n // start flush position is the start PTS of next buffered frag.\n // we use frag.naxStartPTS which is max(audio startPTS, video startPTS).\n // in case there is a small PTS Delta between audio and video, using maxStartPTS avoids flushing last samples from current fragment\n this.flushMainBuffer(nextBufferedFrag.maxStartPTS, Number.POSITIVE_INFINITY);\n }\n }\n }\n }\n\n flushMainBuffer (startOffset, endOffset) {\n this.state = State.BUFFER_FLUSHING;\n let flushScope = { startOffset: startOffset, endOffset: endOffset };\n // if alternate audio tracks are used, only flush video, otherwise flush everything\n if (this.altAudio) {\n flushScope.type = 'video';\n }\n\n this.hls.trigger(Event.BUFFER_FLUSHING, flushScope);\n }\n\n onMediaAttached (data) {\n let media = this.media = this.mediaBuffer = data.media;\n this.onvseeking = this.onMediaSeeking.bind(this);\n this.onvseeked = this.onMediaSeeked.bind(this);\n this.onvended = this.onMediaEnded.bind(this);\n media.addEventListener('seeking', this.onvseeking);\n media.addEventListener('seeked', this.onvseeked);\n media.addEventListener('ended', this.onvended);\n let config = this.config;\n if (this.levels && config.autoStartLoad) {\n this.hls.startLoad(config.startPosition);\n }\n\n this.gapController = new GapController(config, media, this.fragmentTracker, this.hls);\n }\n\n onMediaDetaching () {\n let media = this.media;\n if (media && media.ended) {\n logger.log('MSE detaching and video ended, reset startPosition');\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n // reset fragment backtracked flag\n let levels = this.levels;\n if (levels) {\n levels.forEach(level => {\n if (level.details) {\n level.details.fragments.forEach(fragment => {\n fragment.backtracked = undefined;\n });\n }\n });\n }\n\n // remove video listeners\n if (media) {\n media.removeEventListener('seeking', this.onvseeking);\n media.removeEventListener('seeked', this.onvseeked);\n media.removeEventListener('ended', this.onvended);\n this.onvseeking = this.onvseeked = this.onvended = null;\n }\n\n this.fragmentTracker.removeAllFragments();\n this.media = this.mediaBuffer = null;\n this.loadedmetadata = false;\n this.stopLoad();\n }\n\n onMediaSeeked () {\n const media = this.media;\n const currentTime = media ? media.currentTime : undefined;\n const { seekWithinTolerance } = this.config;\n\n // We are not firing Event.CAN_PLAY_AFTER_SEEK only if we are seeking again to reach buffered fragment.\n if (!seekWithinTolerance || !this.gapController.seekWithinToleranceIfNeeded()) {\n this.hls.trigger(Event.CAN_PLAY_AFTER_SEEK);\n }\n\n if (Number.isFinite(currentTime)) {\n logger.log(`media seeked to ${currentTime.toFixed(3)}`);\n }\n\n // tick to speed up FRAGMENT_PLAYING triggering\n this.tick();\n }\n\n onManifestLoading () {\n // reset buffer on manifest loading\n logger.log('trigger BUFFER_RESET');\n this.hls.trigger(Event.BUFFER_RESET);\n this.fragmentTracker.removeAllFragments();\n this.stalled = false;\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n onManifestParsed (data) {\n let aac = false, heaac = false, codec;\n data.levels.forEach(level => {\n // detect if we have different kind of audio codecs used amongst playlists\n codec = level.audioCodec;\n if (codec) {\n if (codec.indexOf('mp4a.40.2') !== -1) {\n aac = true;\n }\n\n if (codec.indexOf('mp4a.40.5') !== -1) {\n heaac = true;\n }\n }\n });\n this.audioCodecSwitch = (aac && heaac);\n if (this.audioCodecSwitch) {\n logger.log('both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC');\n }\n\n this.altAudio = data.altAudio;\n this.levels = data.levels;\n this.startFragRequested = false;\n let config = this.config;\n if (config.autoStartLoad || this.forceStartLoad) {\n this.hls.startLoad(config.startPosition);\n }\n }\n\n onLevelLoaded (data) {\n const newDetails = data.details;\n const newLevelId = data.level;\n const lastLevel = this.levels[this.levelLastLoaded];\n const curLevel = this.levels[newLevelId];\n const duration = newDetails.totalduration;\n let sliding = 0;\n\n logger.log(`level ${newLevelId} loaded [${newDetails.startSN},${newDetails.endSN}],duration:${duration}`);\n\n if (newDetails.live) {\n let curDetails = curLevel.details;\n if (curDetails && newDetails.fragments.length > 0) {\n // we already have details for that level, merge them\n LevelHelper.mergeDetails(curDetails, newDetails);\n sliding = newDetails.fragments[0].start;\n this.liveSyncPosition = this.computeLivePosition(sliding, curDetails);\n if (newDetails.PTSKnown && Number.isFinite(sliding)) {\n logger.log(`live playlist sliding:${sliding.toFixed(3)}`);\n } else {\n logger.log('live playlist - outdated PTS, unknown sliding');\n alignStream(this.fragPrevious, lastLevel, newDetails);\n }\n } else {\n logger.log('live playlist - first load, unknown sliding');\n newDetails.PTSKnown = false;\n alignStream(this.fragPrevious, lastLevel, newDetails);\n }\n } else {\n newDetails.PTSKnown = false;\n }\n // override level info\n curLevel.details = newDetails;\n this.levelLastLoaded = newLevelId;\n this.hls.trigger(Event.LEVEL_UPDATED, { details: newDetails, level: newLevelId });\n\n if (this.startFragRequested === false) {\n // compute start position if set to -1. use it straight away if value is defined\n if (this.startPosition === -1 || this.lastCurrentTime === -1) {\n // first, check if start time offset has been set in playlist, if yes, use this value\n let startTimeOffset = newDetails.startTimeOffset;\n if (Number.isFinite(startTimeOffset)) {\n if (startTimeOffset < 0) {\n logger.log(`negative start time offset ${startTimeOffset}, count from end of last fragment`);\n startTimeOffset = sliding + duration + startTimeOffset;\n }\n logger.log(`start time offset found in playlist, adjust startPosition to ${startTimeOffset}`);\n this.startPosition = startTimeOffset;\n } else {\n // if live playlist, set start position to be fragment N-this.config.liveSyncDurationCount (usually 3)\n if (newDetails.live) {\n this.startPosition = this.computeLivePosition(sliding, newDetails);\n logger.log(`configure startPosition to ${this.startPosition}`);\n } else {\n this.startPosition = 0;\n }\n }\n this.lastCurrentTime = this.startPosition;\n }\n this.nextLoadPosition = this.startPosition;\n }\n // only switch batck to IDLE state if we were waiting for level to start downloading a new fragment\n if (this.state === State.WAITING_LEVEL) {\n this.state = State.IDLE;\n }\n\n // trigger handler right now\n this.tick();\n }\n\n onKeyLoaded () {\n if (this.state === State.KEY_LOADING) {\n this.state = State.IDLE;\n this.tick();\n }\n }\n\n onFragLoaded (data) {\n const { fragCurrent, hls, levels, media } = this;\n const fragLoaded = data.frag;\n if (this.state === State.FRAG_LOADING &&\n fragCurrent &&\n fragLoaded.type === 'main' &&\n fragLoaded.level === fragCurrent.level &&\n fragLoaded.sn === fragCurrent.sn) {\n const stats = data.stats;\n const currentLevel = levels[fragCurrent.level];\n const details = currentLevel.details;\n // reset frag bitrate test in any case after frag loaded event\n // if this frag was loaded to perform a bitrate test AND if hls.nextLoadLevel is greater than 0\n // then this means that we should be able to load a fragment at a higher quality level\n this.bitrateTest = false;\n this.stats = stats;\n\n logger.log(`Loaded ${fragCurrent.sn} of [${details.startSN} ,${details.endSN}],level ${fragCurrent.level}`);\n if (fragLoaded.bitrateTest && hls.nextLoadLevel) {\n // switch back to IDLE state ... we just loaded a fragment to determine adequate start bitrate and initialize autoswitch algo\n this.state = State.IDLE;\n this.startFragRequested = false;\n stats.tparsed = stats.tbuffered = window.performance.now();\n hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'main' });\n this.tick();\n } else if (fragLoaded.sn === 'initSegment') {\n this.state = State.IDLE;\n stats.tparsed = stats.tbuffered = window.performance.now();\n details.initSegment.data = data.payload;\n hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'main' });\n this.tick();\n } else {\n logger.log(`Parsing ${fragCurrent.sn} of [${details.startSN} ,${details.endSN}],level ${fragCurrent.level}, cc ${fragCurrent.cc}`);\n this.state = State.PARSING;\n this.pendingBuffering = true;\n this.appended = false;\n\n // Bitrate test frags are not usually buffered so the fragment tracker ignores them. If Hls.js decides to buffer\n // it (and therefore ends up at this line), then the fragment tracker needs to be manually informed.\n if (fragLoaded.bitrateTest) {\n fragLoaded.bitrateTest = false;\n this.fragmentTracker.onFragLoaded({\n frag: fragLoaded\n });\n }\n\n // time Offset is accurate if level PTS is known, or if playlist is not sliding (not live) and if media is not seeking (this is to overcome potential timestamp drifts between playlists and fragments)\n const accurateTimeOffset = !(media && media.seeking) && (details.PTSKnown || !details.live);\n const initSegmentData = details.initSegment ? details.initSegment.data : [];\n const audioCodec = this._getAudioCodec(currentLevel);\n\n // transmux the MPEG-TS data to ISO-BMFF segments\n const demuxer = this.demuxer = this.demuxer || new Demuxer(this.hls, 'main');\n demuxer.push(\n data.payload,\n initSegmentData,\n audioCodec,\n currentLevel.videoCodec,\n fragCurrent,\n details.totalduration,\n accurateTimeOffset\n );\n }\n }\n this.fragLoadError = 0;\n }\n\n onFragParsingInitSegment (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n let tracks = data.tracks, trackName, track;\n\n // if audio track is expected to come from audio stream controller, discard any coming from main\n if (tracks.audio && this.altAudio) {\n delete tracks.audio;\n }\n\n // include levelCodec in audio and video tracks\n track = tracks.audio;\n if (track) {\n let audioCodec = this.levels[this.level].audioCodec,\n ua = navigator.userAgent.toLowerCase();\n if (audioCodec && this.audioCodecSwap) {\n logger.log('swapping playlist audio codec');\n if (audioCodec.indexOf('mp4a.40.5') !== -1) {\n audioCodec = 'mp4a.40.2';\n } else {\n audioCodec = 'mp4a.40.5';\n }\n }\n // in case AAC and HE-AAC audio codecs are signalled in manifest\n // force HE-AAC , as it seems that most browsers prefers that way,\n // except for mono streams OR on FF\n // these conditions might need to be reviewed ...\n if (this.audioCodecSwitch) {\n // don't force HE-AAC if mono stream\n if (track.metadata.channelCount !== 1 &&\n // don't force HE-AAC if firefox\n ua.indexOf('firefox') === -1) {\n audioCodec = 'mp4a.40.5';\n }\n }\n // HE-AAC is broken on Android, always signal audio codec as AAC even if variant manifest states otherwise\n if (ua.indexOf('android') !== -1 && track.container !== 'audio/mpeg') { // Exclude mpeg audio\n audioCodec = 'mp4a.40.2';\n logger.log(`Android: force audio codec to ${audioCodec}`);\n }\n track.levelCodec = audioCodec;\n track.id = data.id;\n }\n track = tracks.video;\n if (track) {\n track.levelCodec = this.levels[this.level].videoCodec;\n track.id = data.id;\n }\n this.hls.trigger(Event.BUFFER_CODECS, tracks);\n // loop through tracks that are going to be provided to bufferController\n for (trackName in tracks) {\n track = tracks[trackName];\n logger.log(`main track:${trackName},container:${track.container},codecs[level/parsed]=[${track.levelCodec}/${track.codec}]`);\n let initSegment = track.initSegment;\n if (initSegment) {\n this.appended = true;\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n this.hls.trigger(Event.BUFFER_APPENDING, { type: trackName, data: initSegment, parent: 'main', content: 'initSegment' });\n }\n }\n // trigger handler right now\n this.tick();\n }\n }\n\n onFragParsingData (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n !(data.type === 'audio' && this.altAudio) && // filter out main audio if audio track is loaded through audio stream controller\n this.state === State.PARSING) {\n let level = this.levels[this.level],\n frag = fragCurrent;\n if (!Number.isFinite(data.endPTS)) {\n data.endPTS = data.startPTS + fragCurrent.duration;\n data.endDTS = data.startDTS + fragCurrent.duration;\n }\n\n if (data.hasAudio === true) {\n frag.addElementaryStream(ElementaryStreamTypes.AUDIO);\n }\n\n if (data.hasVideo === true) {\n frag.addElementaryStream(ElementaryStreamTypes.VIDEO);\n }\n\n logger.log(`Parsed ${data.type},PTS:[${data.startPTS.toFixed(3)},${data.endPTS.toFixed(3)}],DTS:[${data.startDTS.toFixed(3)}/${data.endDTS.toFixed(3)}],nb:${data.nb},dropped:${data.dropped || 0}`);\n\n // Detect gaps in a fragment and try to fix it by finding a keyframe in the previous fragment (see _findFragments)\n if (data.type === 'video') {\n frag.dropped = data.dropped;\n if (frag.dropped) {\n if (!frag.backtracked) {\n const levelDetails = level.details;\n if (levelDetails && frag.sn === levelDetails.startSN) {\n logger.warn('missing video frame(s) on first frag, appending with gap', frag.sn);\n } else {\n logger.warn('missing video frame(s), backtracking fragment', frag.sn);\n // Return back to the IDLE state without appending to buffer\n // Causes findFragments to backtrack a segment and find the keyframe\n // Audio fragments arriving before video sets the nextLoadPosition, causing _findFragments to skip the backtracked fragment\n this.fragmentTracker.removeFragment(frag);\n frag.backtracked = true;\n this.nextLoadPosition = data.startPTS;\n this.state = State.IDLE;\n this.fragPrevious = frag;\n this.tick();\n return;\n }\n } else {\n logger.warn('Already backtracked on this fragment, appending with the gap', frag.sn);\n }\n } else {\n // Only reset the backtracked flag if we've loaded the frag without any dropped frames\n frag.backtracked = false;\n }\n }\n\n let drift = LevelHelper.updateFragPTSDTS(level.details, frag, data.startPTS, data.endPTS, data.startDTS, data.endDTS),\n hls = this.hls;\n hls.trigger(Event.LEVEL_PTS_UPDATED, { details: level.details, level: this.level, drift: drift, type: data.type, start: data.startPTS, end: data.endPTS });\n // has remuxer dropped video frames located before first keyframe ?\n [data.data1, data.data2].forEach(buffer => {\n // only append in PARSING state (rationale is that an appending error could happen synchronously on first segment appending)\n // in that case it is useless to append following segments\n if (buffer && buffer.length && this.state === State.PARSING) {\n this.appended = true;\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n hls.trigger(Event.BUFFER_APPENDING, { type: data.type, data: buffer, parent: 'main', content: 'data' });\n }\n });\n // trigger handler right now\n this.tick();\n }\n }\n\n onFragParsed (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n this.stats.tparsed = window.performance.now();\n this.state = State.PARSED;\n this._checkAppendedParsed();\n }\n }\n\n onAudioTrackSwitching (data) {\n // if any URL found on new audio track, it is an alternate audio track\n let altAudio = !!data.url,\n trackId = data.id;\n // if we switch on main audio, ensure that main fragment scheduling is synced with media.buffered\n // don't do anything if we switch to alt audio: audio stream controller is handling it.\n // we will just have to change buffer scheduling on audioTrackSwitched\n if (!altAudio) {\n if (this.mediaBuffer !== this.media) {\n logger.log('switching on main audio, use media.buffered to schedule main fragment loading');\n this.mediaBuffer = this.media;\n let fragCurrent = this.fragCurrent;\n // we need to refill audio buffer from main: cancel any frag loading to speed up audio switch\n if (fragCurrent.loader) {\n logger.log('switching to main audio track, cancel main fragment load');\n fragCurrent.loader.abort();\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n // destroy demuxer to force init segment generation (following audio switch)\n if (this.demuxer) {\n this.demuxer.destroy();\n this.demuxer = null;\n }\n // switch to IDLE state to load new fragment\n this.state = State.IDLE;\n }\n let hls = this.hls;\n // switching to main audio, flush all audio and trigger track switched\n hls.trigger(Event.BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' });\n hls.trigger(Event.AUDIO_TRACK_SWITCHED, { id: trackId });\n this.altAudio = false;\n }\n }\n\n onAudioTrackSwitched (data) {\n let trackId = data.id,\n altAudio = !!this.hls.audioTracks[trackId].url;\n if (altAudio) {\n let videoBuffer = this.videoBuffer;\n // if we switched on alternate audio, ensure that main fragment scheduling is synced with video sourcebuffer buffered\n if (videoBuffer && this.mediaBuffer !== videoBuffer) {\n logger.log('switching on alternate audio, use video.buffered to schedule main fragment loading');\n this.mediaBuffer = videoBuffer;\n }\n }\n this.altAudio = altAudio;\n this.tick();\n }\n\n onBufferCreated (data) {\n let tracks = data.tracks, mediaTrack, name, alternate = false;\n for (let type in tracks) {\n let track = tracks[type];\n if (track.id === 'main') {\n name = type;\n mediaTrack = track;\n // keep video source buffer reference\n if (type === 'video') {\n this.videoBuffer = tracks[type].buffer;\n }\n } else {\n alternate = true;\n }\n }\n if (alternate && mediaTrack) {\n logger.log(`alternate track found, use ${name}.buffered to schedule main fragment loading`);\n this.mediaBuffer = mediaTrack.buffer;\n } else {\n this.mediaBuffer = this.media;\n }\n }\n\n onBufferAppended (data) {\n if (data.parent === 'main') {\n const state = this.state;\n if (state === State.PARSING || state === State.PARSED) {\n // check if all buffers have been appended\n this.pendingBuffering = (data.pending > 0);\n this._checkAppendedParsed();\n }\n }\n }\n\n _checkAppendedParsed () {\n // trigger handler right now\n if (this.state === State.PARSED && (!this.appended || !this.pendingBuffering)) {\n const frag = this.fragCurrent;\n if (frag) {\n const media = this.mediaBuffer ? this.mediaBuffer : this.media;\n logger.log(`main buffered : ${TimeRanges.toString(media.buffered)}`);\n this.fragPrevious = frag;\n const stats = this.stats;\n stats.tbuffered = window.performance.now();\n // we should get rid of this.fragLastKbps\n this.fragLastKbps = Math.round(8 * stats.total / (stats.tbuffered - stats.tfirst));\n this.hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: frag, id: 'main' });\n this.state = State.IDLE;\n }\n this.tick();\n }\n }\n\n onError (data) {\n let frag = data.frag || this.fragCurrent;\n // don't handle frag error not related to main fragment\n if (frag && frag.type !== 'main') {\n return;\n }\n\n // 0.5 : tolerance needed as some browsers stalls playback before reaching buffered end\n let mediaBuffered = !!this.media && BufferHelper.isBuffered(this.media, this.media.currentTime) && BufferHelper.isBuffered(this.media, this.media.currentTime + 0.5);\n\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n if (!data.fatal) {\n // keep retrying until the limit will be reached\n if ((this.fragLoadError + 1) <= this.config.fragLoadingMaxRetry) {\n // exponential backoff capped to config.fragLoadingMaxRetryTimeout\n let delay = Math.min(Math.pow(2, this.fragLoadError) * this.config.fragLoadingRetryDelay, this.config.fragLoadingMaxRetryTimeout);\n logger.warn(`mediaController: frag loading failed, retry in ${delay} ms`);\n this.retryDate = window.performance.now() + delay;\n // retry loading state\n // if loadedmetadata is not set, it means that we are emergency switch down on first frag\n // in that case, reset startFragRequested flag\n if (!this.loadedmetadata) {\n this.startFragRequested = false;\n this.nextLoadPosition = this.startPosition;\n }\n this.fragLoadError++;\n this.state = State.FRAG_LOADING_WAITING_RETRY;\n } else {\n logger.error(`mediaController: ${data.details} reaches max retry, redispatch as fatal ...`);\n // switch error to fatal\n data.fatal = true;\n this.state = State.ERROR;\n }\n }\n break;\n case ErrorDetails.LEVEL_LOAD_ERROR:\n case ErrorDetails.LEVEL_LOAD_TIMEOUT:\n if (this.state !== State.ERROR) {\n if (data.fatal) {\n // if fatal error, stop processing\n this.state = State.ERROR;\n logger.warn(`streamController: ${data.details},switch to ${this.state} state ...`);\n } else {\n // in case of non fatal error while loading level, if level controller is not retrying to load level , switch back to IDLE\n if (!data.levelRetry && this.state === State.WAITING_LEVEL) {\n this.state = State.IDLE;\n }\n }\n }\n break;\n case ErrorDetails.BUFFER_FULL_ERROR:\n // if in appending state\n if (data.parent === 'main' && (this.state === State.PARSING || this.state === State.PARSED)) {\n // reduce max buf len if current position is buffered\n if (mediaBuffered) {\n this._reduceMaxBufferLength(this.config.maxBufferLength);\n this.state = State.IDLE;\n } else {\n // current position is not buffered, but browser is still complaining about buffer full error\n // this happens on IE/Edge, refer to https://github.com/video-dev/hls.js/pull/708\n // in that case flush the whole buffer to recover\n logger.warn('buffer full error also media.currentTime is not buffered, flush everything');\n this.fragCurrent = null;\n // flush everything\n this.flushMainBuffer(0, Number.POSITIVE_INFINITY);\n }\n }\n break;\n default:\n break;\n }\n }\n\n _reduceMaxBufferLength (minLength) {\n let config = this.config;\n if (config.maxMaxBufferLength >= minLength) {\n // reduce max buffer length as it might be too high. we do this to avoid loop flushing ...\n config.maxMaxBufferLength /= 2;\n logger.warn(`main:reduce max buffer length to ${config.maxMaxBufferLength}s`);\n return true;\n }\n return false;\n }\n\n /**\n * Checks the health of the buffer and attempts to resolve playback stalls.\n * @private\n */\n _checkBuffer () {\n const { media } = this;\n if (!media || media.readyState === 0) {\n // Exit early if we don't have media or if the media hasn't bufferd anything yet (readyState 0)\n return;\n }\n\n const mediaBuffer = this.mediaBuffer ? this.mediaBuffer : media;\n const buffered = mediaBuffer.buffered;\n\n if (!this.loadedmetadata && buffered.length) {\n this.loadedmetadata = true;\n this._seekToStartPos();\n } else if (this.immediateSwitch) {\n this.immediateLevelSwitchEnd();\n } else {\n this.gapController.poll(this.lastCurrentTime, buffered);\n }\n }\n\n onFragLoadEmergencyAborted () {\n this.state = State.IDLE;\n // if loadedmetadata is not set, it means that we are emergency switch down on first frag\n // in that case, reset startFragRequested flag\n if (!this.loadedmetadata) {\n this.startFragRequested = false;\n this.nextLoadPosition = this.startPosition;\n }\n this.tick();\n }\n\n onBufferFlushed () {\n /* after successful buffer flushing, filter flushed fragments from bufferedFrags\n use mediaBuffered instead of media (so that we will check against video.buffered ranges in case of alt audio track)\n */\n const media = this.mediaBuffer ? this.mediaBuffer : this.media;\n if (media) {\n // filter fragments potentially evicted from buffer. this is to avoid memleak on live streams\n this.fragmentTracker.detectEvictedFragments(ElementaryStreamTypes.VIDEO, media.buffered);\n }\n // move to IDLE once flush complete. this should trigger new fragment loading\n this.state = State.IDLE;\n // reset reference to frag\n this.fragPrevious = null;\n }\n\n swapAudioCodec () {\n this.audioCodecSwap = !this.audioCodecSwap;\n }\n /**\n * Seeks to the set startPosition if not equal to the mediaElement's current time.\n * @private\n */\n _seekToStartPos () {\n const { media } = this;\n const currentTime = media.currentTime;\n // only adjust currentTime if different from startPosition or if startPosition not buffered\n // at that stage, there should be only one buffered range, as we reach that code after first fragment has been buffered\n const startPosition = media.seeking ? currentTime : this.startPosition;\n // if currentTime not matching with expected startPosition or startPosition not buffered but close to first buffered\n if (currentTime !== startPosition && startPosition >= 0) {\n // if startPosition not buffered, let's seek to buffered.start(0)\n logger.log(`target start position not buffered, seek to buffered.start(0) ${startPosition} from current time ${currentTime} `);\n media.currentTime = startPosition;\n }\n }\n\n _getAudioCodec (currentLevel) {\n let audioCodec = this.config.defaultAudioCodec || currentLevel.audioCodec;\n if (this.audioCodecSwap) {\n logger.log('swapping playlist audio codec');\n if (audioCodec) {\n if (audioCodec.indexOf('mp4a.40.5') !== -1) {\n audioCodec = 'mp4a.40.2';\n } else {\n audioCodec = 'mp4a.40.5';\n }\n }\n }\n\n return audioCodec;\n }\n\n get liveSyncPosition () {\n return this._liveSyncPosition;\n }\n\n set liveSyncPosition (value) {\n this._liveSyncPosition = value;\n }\n}\nexport default StreamController;\n","/*\n * Level Controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { isCodecSupportedInMp4 } from '../utils/codecs';\nimport { addGroupId, computeReloadInterval } from './level-helper';\n\nconst { performance } = window;\nlet chromeOrFirefox;\n\nexport default class LevelController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.MANIFEST_LOADED,\n Event.LEVEL_LOADED,\n Event.AUDIO_TRACK_SWITCHED,\n Event.FRAG_LOADED,\n Event.ERROR);\n\n this.canload = false;\n this.currentLevelIndex = null;\n this.manualLevelIndex = -1;\n this.timer = null;\n\n chromeOrFirefox = /chrome|firefox/.test(navigator.userAgent.toLowerCase());\n }\n\n onHandlerDestroying () {\n this.clearTimer();\n this.manualLevelIndex = -1;\n }\n\n clearTimer () {\n if (this.timer !== null) {\n clearTimeout(this.timer);\n this.timer = null;\n }\n }\n\n startLoad () {\n let levels = this._levels;\n\n this.canload = true;\n this.levelRetryCount = 0;\n\n // clean up live level details to force reload them, and reset load errors\n if (levels) {\n levels.forEach(level => {\n level.loadError = 0;\n const levelDetails = level.details;\n if (levelDetails && levelDetails.live) {\n level.details = undefined;\n }\n });\n }\n // speed up live playlist refresh if timer exists\n if (this.timer !== null) {\n this.loadLevel();\n }\n }\n\n stopLoad () {\n this.canload = false;\n }\n\n onManifestLoaded (data) {\n let levels = [];\n let audioTracks = [];\n let bitrateStart;\n let levelSet = {};\n let levelFromSet = null;\n let videoCodecFound = false;\n let audioCodecFound = false;\n\n // regroup redundant levels together\n data.levels.forEach(level => {\n const attributes = level.attrs;\n level.loadError = 0;\n level.fragmentError = false;\n\n videoCodecFound = videoCodecFound || !!level.videoCodec;\n audioCodecFound = audioCodecFound || !!level.audioCodec;\n\n // erase audio codec info if browser does not support mp4a.40.34.\n // demuxer will autodetect codec and fallback to mpeg/audio\n if (chromeOrFirefox && level.audioCodec && level.audioCodec.indexOf('mp4a.40.34') !== -1) {\n level.audioCodec = undefined;\n }\n\n levelFromSet = levelSet[level.bitrate]; // FIXME: we would also have to match the resolution here\n\n if (!levelFromSet) {\n level.url = [level.url];\n level.urlId = 0;\n levelSet[level.bitrate] = level;\n levels.push(level);\n } else {\n levelFromSet.url.push(level.url);\n }\n\n if (attributes) {\n if (attributes.AUDIO) {\n audioCodecFound = true;\n addGroupId(levelFromSet || level, 'audio', attributes.AUDIO);\n }\n if (attributes.SUBTITLES) {\n addGroupId(levelFromSet || level, 'text', attributes.SUBTITLES);\n }\n }\n });\n\n // remove audio-only level if we also have levels with audio+video codecs signalled\n if (videoCodecFound && audioCodecFound) {\n levels = levels.filter(({ videoCodec }) => !!videoCodec);\n }\n\n // only keep levels with supported audio/video codecs\n levels = levels.filter(({ audioCodec, videoCodec }) => {\n return (!audioCodec || isCodecSupportedInMp4(audioCodec, 'audio')) && (!videoCodec || isCodecSupportedInMp4(videoCodec, 'video'));\n });\n\n if (data.audioTracks) {\n audioTracks = data.audioTracks.filter(track => !track.audioCodec || isCodecSupportedInMp4(track.audioCodec, 'audio'));\n // Reassign id's after filtering since they're used as array indices\n audioTracks.forEach((track, index) => {\n track.id = index;\n });\n }\n\n if (levels.length > 0) {\n // start bitrate is the first bitrate of the manifest\n bitrateStart = levels[0].bitrate;\n // sort level on bitrate\n levels.sort((a, b) => a.bitrate - b.bitrate);\n this._levels = levels;\n // find index of first level in sorted levels\n for (let i = 0; i < levels.length; i++) {\n if (levels[i].bitrate === bitrateStart) {\n this._firstLevel = i;\n logger.log(`manifest loaded,${levels.length} level(s) found, first bitrate:${bitrateStart}`);\n break;\n }\n }\n\n // Audio is only alternate if manifest include a URI along with the audio group tag\n this.hls.trigger(Event.MANIFEST_PARSED, {\n levels,\n audioTracks,\n firstLevel: this._firstLevel,\n stats: data.stats,\n audio: audioCodecFound,\n video: videoCodecFound,\n altAudio: audioTracks.some(t => !!t.url)\n });\n } else {\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.MANIFEST_INCOMPATIBLE_CODECS_ERROR,\n fatal: true,\n url: this.hls.url,\n reason: 'no level with compatible codecs found in manifest'\n });\n }\n }\n\n get levels () {\n return this._levels;\n }\n\n get level () {\n return this.currentLevelIndex;\n }\n\n set level (newLevel) {\n let levels = this._levels;\n if (levels) {\n newLevel = Math.min(newLevel, levels.length - 1);\n if (this.currentLevelIndex !== newLevel || !levels[newLevel].details) {\n this.setLevelInternal(newLevel);\n }\n }\n }\n\n setLevelInternal (newLevel) {\n const levels = this._levels;\n const hls = this.hls;\n // check if level idx is valid\n if (newLevel >= 0 && newLevel < levels.length) {\n // stopping live reloading timer if any\n this.clearTimer();\n if (this.currentLevelIndex !== newLevel) {\n logger.log(`switching to level ${newLevel}`);\n this.currentLevelIndex = newLevel;\n const levelProperties = levels[newLevel];\n levelProperties.level = newLevel;\n hls.trigger(Event.LEVEL_SWITCHING, levelProperties);\n }\n const level = levels[newLevel];\n const levelDetails = level.details;\n\n // check if we need to load playlist for this level\n if (!levelDetails || levelDetails.live) {\n // level not retrieved yet, or live playlist we need to (re)load it\n let urlId = level.urlId;\n hls.trigger(Event.LEVEL_LOADING, { url: level.url[urlId], level: newLevel, id: urlId });\n }\n } else {\n // invalid level id given, trigger error\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.OTHER_ERROR,\n details: ErrorDetails.LEVEL_SWITCH_ERROR,\n level: newLevel,\n fatal: false,\n reason: 'invalid level idx'\n });\n }\n }\n\n get manualLevel () {\n return this.manualLevelIndex;\n }\n\n set manualLevel (newLevel) {\n this.manualLevelIndex = newLevel;\n if (this._startLevel === undefined) {\n this._startLevel = newLevel;\n }\n\n if (newLevel !== -1) {\n this.level = newLevel;\n }\n }\n\n get firstLevel () {\n return this._firstLevel;\n }\n\n set firstLevel (newLevel) {\n this._firstLevel = newLevel;\n }\n\n get startLevel () {\n // hls.startLevel takes precedence over config.startLevel\n // if none of these values are defined, fallback on this._firstLevel (first quality level appearing in variant manifest)\n if (this._startLevel === undefined) {\n let configStartLevel = this.hls.config.startLevel;\n if (configStartLevel !== undefined) {\n return configStartLevel;\n } else {\n return this._firstLevel;\n }\n } else {\n return this._startLevel;\n }\n }\n\n set startLevel (newLevel) {\n this._startLevel = newLevel;\n }\n\n onError (data) {\n if (data.fatal) {\n if (data.type === ErrorTypes.NETWORK_ERROR) {\n this.clearTimer();\n }\n\n return;\n }\n\n let levelError = false, fragmentError = false;\n let levelIndex;\n\n // try to recover not fatal errors\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n levelIndex = data.frag.level;\n fragmentError = true;\n break;\n case ErrorDetails.LEVEL_LOAD_ERROR:\n case ErrorDetails.LEVEL_LOAD_TIMEOUT:\n levelIndex = data.context.level;\n levelError = true;\n break;\n case ErrorDetails.REMUX_ALLOC_ERROR:\n levelIndex = data.level;\n levelError = true;\n break;\n }\n\n if (levelIndex !== undefined) {\n this.recoverLevel(data, levelIndex, levelError, fragmentError);\n }\n }\n\n /**\n * Switch to a redundant stream if any available.\n * If redundant stream is not available, emergency switch down if ABR mode is enabled.\n *\n * @param {Object} errorEvent\n * @param {Number} levelIndex current level index\n * @param {Boolean} levelError\n * @param {Boolean} fragmentError\n */\n // FIXME Find a better abstraction where fragment/level retry management is well decoupled\n recoverLevel (errorEvent, levelIndex, levelError, fragmentError) {\n let { config } = this.hls;\n let { details: errorDetails } = errorEvent;\n let level = this._levels[levelIndex];\n let redundantLevels, delay, nextLevel;\n\n level.loadError++;\n level.fragmentError = fragmentError;\n\n if (levelError) {\n if ((this.levelRetryCount + 1) <= config.levelLoadingMaxRetry) {\n // exponential backoff capped to max retry timeout\n delay = Math.min(Math.pow(2, this.levelRetryCount) * config.levelLoadingRetryDelay, config.levelLoadingMaxRetryTimeout);\n // Schedule level reload\n this.timer = setTimeout(() => this.loadLevel(), delay);\n // boolean used to inform stream controller not to switch back to IDLE on non fatal error\n errorEvent.levelRetry = true;\n this.levelRetryCount++;\n logger.warn(`level controller, ${errorDetails}, retry in ${delay} ms, current retry count is ${this.levelRetryCount}`);\n } else {\n logger.error(`level controller, cannot recover from ${errorDetails} error`);\n this.currentLevelIndex = null;\n // stopping live reloading timer if any\n this.clearTimer();\n // switch error to fatal\n errorEvent.fatal = true;\n return;\n }\n }\n\n // Try any redundant streams if available for both errors: level and fragment\n // If level.loadError reaches redundantLevels it means that we tried them all, no hope => let's switch down\n if (levelError || fragmentError) {\n redundantLevels = level.url.length;\n\n if (redundantLevels > 1 && level.loadError < redundantLevels) {\n level.urlId = (level.urlId + 1) % redundantLevels;\n level.details = undefined;\n\n logger.warn(`level controller, ${errorDetails} for level ${levelIndex}: switching to redundant URL-id ${level.urlId}`);\n\n // console.log('Current audio track group ID:', this.hls.audioTracks[this.hls.audioTrack].groupId);\n // console.log('New video quality level audio group id:', level.attrs.AUDIO);\n } else {\n // Search for available level\n if (this.manualLevelIndex === -1) {\n // When lowest level has been reached, let's start hunt from the top\n nextLevel = (levelIndex === 0) ? this._levels.length - 1 : levelIndex - 1;\n logger.warn(`level controller, ${errorDetails}: switch to ${nextLevel}`);\n this.hls.nextAutoLevel = this.currentLevelIndex = nextLevel;\n } else if (fragmentError) {\n // Allow fragment retry as long as configuration allows.\n // reset this._level so that another call to set level() will trigger again a frag load\n logger.warn(`level controller, ${errorDetails}: reload a fragment`);\n this.currentLevelIndex = null;\n }\n }\n }\n }\n\n // reset errors on the successful load of a fragment\n onFragLoaded ({ frag }) {\n if (frag !== undefined && frag.type === 'main') {\n const level = this._levels[frag.level];\n if (level !== undefined) {\n level.fragmentError = false;\n level.loadError = 0;\n this.levelRetryCount = 0;\n }\n }\n }\n\n onLevelLoaded (data) {\n const { level, details } = data;\n // only process level loaded events matching with expected level\n if (level !== this.currentLevelIndex) {\n return;\n }\n\n const curLevel = this._levels[level];\n // reset level load error counter on successful level loaded only if there is no issues with fragments\n if (!curLevel.fragmentError) {\n curLevel.loadError = 0;\n this.levelRetryCount = 0;\n }\n // if current playlist is a live playlist, arm a timer to reload it\n if (details.live) {\n const reloadInterval = computeReloadInterval(curLevel.details, details, data.stats.trequest);\n logger.log(`live playlist, reload in ${Math.round(reloadInterval)} ms`);\n this.timer = setTimeout(() => this.loadLevel(), reloadInterval);\n } else {\n this.clearTimer();\n }\n }\n\n onAudioTrackSwitched (data) {\n const audioGroupId = this.hls.audioTracks[data.id].groupId;\n\n const currentLevel = this.hls.levels[this.currentLevelIndex];\n if (!currentLevel) {\n return;\n }\n\n if (currentLevel.audioGroupIds) {\n let urlId = -1;\n\n for (let i = 0; i < currentLevel.audioGroupIds.length; i++) {\n if (currentLevel.audioGroupIds[i] === audioGroupId) {\n urlId = i;\n break;\n }\n }\n\n if (urlId !== currentLevel.urlId) {\n currentLevel.urlId = urlId;\n this.startLoad();\n }\n }\n }\n\n loadLevel () {\n logger.debug('call to loadLevel');\n\n if (this.currentLevelIndex !== null && this.canload) {\n const levelObject = this._levels[this.currentLevelIndex];\n\n if (typeof levelObject === 'object' &&\n levelObject.url.length > 0) {\n const level = this.currentLevelIndex;\n const id = levelObject.urlId;\n const url = levelObject.url[id];\n\n logger.log(`Attempt loading level index ${level} with URL-id ${id}`);\n\n // console.log('Current audio track group ID:', this.hls.audioTracks[this.hls.audioTrack].groupId);\n // console.log('New video quality level audio group id:', levelObject.attrs.AUDIO, level);\n\n this.hls.trigger(Event.LEVEL_LOADING, { url, level, id });\n }\n }\n }\n\n get nextLoadLevel () {\n if (this.manualLevelIndex !== -1) {\n return this.manualLevelIndex;\n } else {\n return this.hls.nextAutoLevel;\n }\n }\n\n set nextLoadLevel (nextLevel) {\n this.level = nextLevel;\n if (this.manualLevelIndex === -1) {\n this.hls.nextAutoLevel = nextLevel;\n }\n }\n}\n","\nexport function sendAddTrackEvent (track: TextTrack, videoEl: HTMLMediaElement) {\n let event: Event;\n try {\n event = new Event('addtrack');\n } catch (err) {\n // for IE11\n event = document.createEvent('Event');\n event.initEvent('addtrack', false, false);\n }\n (event as any).track = track;\n videoEl.dispatchEvent(event);\n}\n\nexport function clearCurrentCues (track: TextTrack) {\n if (track && track.cues) {\n while (track.cues.length > 0) {\n track.removeCue(track.cues[0]);\n }\n }\n}\n\n/**\n\n * Given a list of Cues, finds the closest cue matching the given time.\n * Modified verison of binary search O(log(n)).\n *\n * @export\n * @param {(TextTrackCueList | TextTrackCue[])} cues - List of cues.\n * @param {number} time - Target time, to find closest cue to.\n * @returns {TextTrackCue}\n */\nexport function getClosestCue (cues: TextTrackCueList | TextTrackCue[], time: number): TextTrackCue {\n // If the offset is less than the first element, the first element is the closest.\n if (time < cues[0].endTime) {\n return cues[0];\n }\n // If the offset is greater than the last cue, the last is the closest.\n if (time > cues[cues.length - 1].endTime) {\n return cues[cues.length - 1];\n }\n\n let left = 0;\n let right = cues.length - 1;\n\n while (left <= right) {\n const mid = Math.floor((right + left) / 2);\n\n if (time < cues[mid].endTime) {\n right = mid - 1;\n } else if (time > cues[mid].endTime) {\n left = mid + 1;\n } else {\n // If it's not lower or higher, it must be equal.\n return cues[mid];\n }\n }\n // At this point, left and right have swapped.\n // No direct match was found, left or right element must be the closest. Check which one has the smallest diff.\n return (cues[left].endTime - time) < (time - cues[right].endTime) ? cues[left] : cues[right];\n}\n","/*\n * id3 metadata track controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport ID3 from '../demux/id3';\nimport { logger } from '../utils/logger';\nimport { sendAddTrackEvent, clearCurrentCues, getClosestCue } from '../utils/texttrack-utils';\n\nclass ID3TrackController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.FRAG_PARSING_METADATA,\n Event.LIVE_BACK_BUFFER_REACHED\n );\n\n this.id3Track = undefined;\n this.media = undefined;\n }\n\n destroy () {\n EventHandler.prototype.destroy.call(this);\n }\n\n // Add ID3 metatadata text track.\n onMediaAttached (data) {\n this.media = data.media;\n if (!this.media) {\n\n }\n }\n\n onMediaDetaching () {\n clearCurrentCues(this.id3Track);\n this.id3Track = undefined;\n this.media = undefined;\n }\n\n getID3Track (textTracks) {\n for (let i = 0; i < textTracks.length; i++) {\n let textTrack = textTracks[i];\n if (textTrack.kind === 'metadata' && textTrack.label === 'id3') {\n // send 'addtrack' when reusing the textTrack for metadata,\n // same as what we do for captions\n sendAddTrackEvent(textTrack, this.media);\n\n return textTrack;\n }\n }\n return this.media.addTextTrack('metadata', 'id3');\n }\n\n onLiveBackBufferReached ({ bufferEnd }) {\n if (!this.id3Track || !this.id3Track.cues || !this.id3Track.cues.length) {\n return;\n }\n const foundCue = getClosestCue(this.id3Track.cues, bufferEnd);\n if (!foundCue) {\n return;\n }\n\n let removeCues = true;\n while (removeCues) {\n const cue = this.id3Track.cues[0];\n if (!this.id3Track.cues.length || cue.id === foundCue.id) {\n removeCues = false;\n return;\n }\n this.id3Track.removeCue(cue);\n }\n }\n\n onFragParsingMetadata (data) {\n const fragment = data.frag;\n const samples = data.samples;\n\n // create track dynamically\n if (!this.id3Track) {\n this.id3Track = this.getID3Track(this.media.textTracks);\n this.id3Track.mode = 'hidden';\n }\n\n // Attempt to recreate Safari functionality by creating\n // WebKitDataCue objects when available and store the decoded\n // ID3 data in the value property of the cue\n let Cue = window.WebKitDataCue || window.VTTCue || window.TextTrackCue;\n\n for (let i = 0; i < samples.length; i++) {\n const frames = ID3.getID3Frames(samples[i].data);\n if (frames) {\n const startTime = samples[i].pts;\n let endTime = i < samples.length - 1 ? samples[i + 1].pts : fragment.endPTS;\n\n if (startTime === endTime) {\n // Give a slight bump to the endTime if it's equal to startTime to avoid a SyntaxError in IE\n endTime += 0.0001;\n } else if (startTime > endTime) {\n logger.warn('detected an id3 sample with endTime < startTime, adjusting endTime to (startTime + 0.25)');\n endTime = startTime + 0.25;\n }\n\n for (let j = 0; j < frames.length; j++) {\n const frame = frames[j];\n // Safari doesn't put the timestamp frame in the TextTrack\n if (!ID3.isTimeStampFrame(frame)) {\n const cue = new Cue(startTime, endTime, '');\n cue.value = frame;\n this.id3Track.addCue(cue);\n }\n }\n }\n }\n }\n\n onLiveBackBufferReached ({ bufferEnd }) {\n const { id3Track } = this;\n if (!id3Track || !id3Track.cues || !id3Track.cues.length) {\n return;\n }\n const foundCue = getClosestCue(id3Track.cues, bufferEnd);\n if (!foundCue) {\n return;\n }\n while (id3Track.cues[0] !== foundCue) {\n id3Track.removeCue(id3Track.cues[0]);\n }\n }\n}\n\nexport default ID3TrackController;\n","import { getMediaSource } from './utils/mediasource-helper';\n\nexport function isSupported (): boolean {\n const mediaSource = getMediaSource();\n if (!mediaSource) {\n return false;\n }\n const sourceBuffer = self.SourceBuffer || (self as any).WebKitSourceBuffer as SourceBuffer;\n const isTypeSupported = mediaSource &&\n typeof mediaSource.isTypeSupported === 'function' &&\n mediaSource.isTypeSupported('video/mp4; codecs=\"avc1.42E01E,mp4a.40.2\"');\n\n // if SourceBuffer is exposed ensure its API is valid\n // safari and old version of Chrome doe not expose SourceBuffer globally so checking SourceBuffer.prototype is impossible\n const sourceBufferValidAPI = !sourceBuffer ||\n (sourceBuffer.prototype &&\n typeof sourceBuffer.prototype.appendBuffer === 'function' &&\n typeof sourceBuffer.prototype.remove === 'function');\n return !!isTypeSupported && !!sourceBufferValidAPI;\n}\n","/*\n * compute an Exponential Weighted moving average\n * - https://en.wikipedia.org/wiki/Moving_average#Exponential_moving_average\n * - heavily inspired from shaka-player\n */\n\nclass EWMA {\n private alpha_: number;\n private estimate_: number;\n private totalWeight_: number;\n\n // About half of the estimated value will be from the last |halfLife| samples by weight.\n constructor (halfLife: number) {\n // Larger values of alpha expire historical data more slowly.\n this.alpha_ = halfLife ? Math.exp(Math.log(0.5) / halfLife) : 0;\n this.estimate_ = 0;\n this.totalWeight_ = 0;\n }\n\n sample (weight: number, value: number) {\n let adjAlpha = Math.pow(this.alpha_, weight);\n this.estimate_ = value * (1 - adjAlpha) + adjAlpha * this.estimate_;\n this.totalWeight_ += weight;\n }\n\n getTotalWeight (): number {\n return this.totalWeight_;\n }\n\n getEstimate (): number {\n if (this.alpha_) {\n let zeroFactor = 1 - Math.pow(this.alpha_, this.totalWeight_);\n return this.estimate_ / zeroFactor;\n } else {\n return this.estimate_;\n }\n }\n}\n\nexport default EWMA;\n","/*\n * EWMA Bandwidth Estimator\n * - heavily inspired from shaka-player\n * Tracks bandwidth samples and estimates available bandwidth.\n * Based on the minimum of two exponentially-weighted moving averages with\n * different half-lives.\n */\n\nimport EWMA from '../utils/ewma';\n\nclass EwmaBandWidthEstimator {\n hls: any;\n\n private defaultEstimate_: number;\n private minWeight_: number;\n private minDelayMs_: number;\n private slow_: EWMA;\n private fast_: EWMA;\n\n // TODO(typescript-hls)\n constructor (hls: any, slow: number, fast: number, defaultEstimate: number) {\n this.hls = hls;\n this.defaultEstimate_ = defaultEstimate;\n this.minWeight_ = 0.001;\n this.minDelayMs_ = 50;\n this.slow_ = new EWMA(slow);\n this.fast_ = new EWMA(fast);\n }\n\n sample (durationMs: number, numBytes: number) {\n durationMs = Math.max(durationMs, this.minDelayMs_);\n let numBits = 8 * numBytes,\n // weight is duration in seconds\n durationS = durationMs / 1000,\n // value is bandwidth in bits/s\n bandwidthInBps = numBits / durationS;\n this.fast_.sample(durationS, bandwidthInBps);\n this.slow_.sample(durationS, bandwidthInBps);\n }\n\n canEstimate (): boolean {\n let fast = this.fast_;\n return (fast && fast.getTotalWeight() >= this.minWeight_);\n }\n\n getEstimate (): number {\n if (this.canEstimate()) {\n // console.log('slow estimate:'+ Math.round(this.slow_.getEstimate()));\n // console.log('fast estimate:'+ Math.round(this.fast_.getEstimate()));\n // Take the minimum of these two estimates. This should have the effect of\n // adapting down quickly, but up more slowly.\n return Math.min(this.fast_.getEstimate(), this.slow_.getEstimate());\n } else {\n return this.defaultEstimate_;\n }\n }\n\n destroy () {\n }\n}\nexport default EwmaBandWidthEstimator;\n","/*\n * simple ABR Controller\n * - compute next level based on last fragment bw heuristics\n * - implement an abandon rules triggered if we have less than 2 frag buffered and if computed bw shows that we risk buffer stalling\n */\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport { ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport EwmaBandWidthEstimator from '../utils/ewma-bandwidth-estimator';\n\nconst { performance } = window;\n\nclass AbrController extends EventHandler {\n constructor (hls) {\n super(hls, Event.FRAG_LOADING,\n Event.FRAG_LOADED,\n Event.FRAG_BUFFERED,\n Event.ERROR);\n this.lastLoadedFragLevel = 0;\n this._nextAutoLevel = -1;\n this.hls = hls;\n this.timer = null;\n this._bwEstimator = null;\n this.onCheck = this._abandonRulesCheck.bind(this);\n }\n\n destroy () {\n this.clearTimer();\n EventHandler.prototype.destroy.call(this);\n }\n\n onFragLoading (data) {\n const frag = data.frag;\n if (frag.type === 'main') {\n if (!this.timer) {\n this.fragCurrent = frag;\n this.timer = setInterval(this.onCheck, 100);\n }\n\n // lazy init of BwEstimator, rationale is that we use different params for Live/VoD\n // so we need to wait for stream manifest / playlist type to instantiate it.\n if (!this._bwEstimator) {\n const hls = this.hls;\n const config = hls.config;\n const level = frag.level;\n const isLive = hls.levels[level].details.live;\n\n let ewmaFast;\n let ewmaSlow;\n if (isLive) {\n ewmaFast = config.abrEwmaFastLive;\n ewmaSlow = config.abrEwmaSlowLive;\n } else {\n ewmaFast = config.abrEwmaFastVoD;\n ewmaSlow = config.abrEwmaSlowVoD;\n }\n this._bwEstimator = new EwmaBandWidthEstimator(hls, ewmaSlow, ewmaFast, config.abrEwmaDefaultEstimate);\n }\n }\n }\n\n _abandonRulesCheck () {\n /*\n monitor fragment retrieval time...\n we compute expected time of arrival of the complete fragment.\n we compare it to expected time of buffer starvation\n */\n const hls = this.hls;\n const video = hls.media;\n const frag = this.fragCurrent;\n\n if (!frag) {\n return;\n }\n\n const loader = frag.loader;\n const minAutoLevel = hls.minAutoLevel;\n\n // if loader has been destroyed or loading has been aborted, stop timer and return\n if (!loader || (loader.stats && loader.stats.aborted)) {\n logger.warn('frag loader destroy or aborted, disarm abandonRules');\n this.clearTimer();\n // reset forced auto level value so that next level will be selected\n this._nextAutoLevel = -1;\n return;\n }\n let stats = loader.stats;\n /* only monitor frag retrieval time if\n (video not paused OR first fragment being loaded(ready state === HAVE_NOTHING = 0)) AND autoswitching enabled AND not lowest level (=> means that we have several levels) */\n if (video && stats && ((!video.paused && (video.playbackRate !== 0)) || !video.readyState) && frag.autoLevel && frag.level) {\n const requestDelay = performance.now() - stats.trequest;\n const playbackRate = Math.abs(video.playbackRate);\n\n // monitor fragment load progress after half of expected fragment duration,to stabilize bitrate\n if (requestDelay > (500 * frag.duration / playbackRate)) {\n const levels = hls.levels;\n const loadRate = Math.max(1, stats.bw ? stats.bw / 8 : stats.loaded * 1000 / requestDelay); // byte/s; at least 1 byte/s to avoid division by zero\n\n // compute expected fragment length using frag duration and level bitrate. also ensure that expected len is gte than already loaded size\n const level = levels[frag.level];\n const levelBitrate = level.realBitrate ? Math.max(level.realBitrate, level.bitrate) : level.bitrate;\n const expectedLen = stats.total ? stats.total : Math.max(stats.loaded, Math.round(frag.duration * levelBitrate / 8));\n const pos = video.currentTime;\n const fragLoadedDelay = (expectedLen - stats.loaded) / loadRate;\n const bufferStarvationDelay = (BufferHelper.bufferInfo(video, pos, hls.config.maxBufferHole).end - pos) / playbackRate;\n\n // consider emergency switch down only if we have less than 2 frag buffered AND\n // time to finish loading current fragment is bigger than buffer starvation delay\n // ie if we risk buffer starvation if bw does not increase quickly\n if ((bufferStarvationDelay < (2 * frag.duration / playbackRate)) && (fragLoadedDelay > bufferStarvationDelay)) {\n let fragLevelNextLoadedDelay;\n let nextLoadLevel;\n // lets iterate through lower level and try to find the biggest one that could avoid rebuffering\n // we start from current level - 1 and we step down , until we find a matching level\n for (nextLoadLevel = frag.level - 1; nextLoadLevel > minAutoLevel; nextLoadLevel--) {\n // compute time to load next fragment at lower level\n // 0.8 : consider only 80% of current bw to be conservative\n // 8 = bits per byte (bps/Bps)\n const levelNextBitrate = levels[nextLoadLevel].realBitrate\n ? Math.max(levels[nextLoadLevel].realBitrate, levels[nextLoadLevel].bitrate)\n : levels[nextLoadLevel].bitrate;\n\n const fragLevelNextLoadedDelay = frag.duration * levelNextBitrate / (8 * 0.8 * loadRate);\n\n if (fragLevelNextLoadedDelay < bufferStarvationDelay) {\n // we found a lower level that be rebuffering free with current estimated bw !\n break;\n }\n }\n // only emergency switch down if it takes less time to load new fragment at lowest level instead\n // of finishing loading current one ...\n if (fragLevelNextLoadedDelay < fragLoadedDelay) {\n logger.warn(`loading too slow, abort fragment loading and switch to level ${nextLoadLevel}:fragLoadedDelay[${nextLoadLevel}]<fragLoadedDelay[${frag.level - 1}];bufferStarvationDelay:${fragLevelNextLoadedDelay.toFixed(1)}<${fragLoadedDelay.toFixed(1)}:${bufferStarvationDelay.toFixed(1)}`);\n // force next load level in auto mode\n hls.nextLoadLevel = nextLoadLevel;\n // update bw estimate for this fragment before cancelling load (this will help reducing the bw)\n this._bwEstimator.sample(requestDelay, stats.loaded);\n // abort fragment loading\n loader.abort();\n // stop abandon rules timer\n this.clearTimer();\n hls.trigger(Event.FRAG_LOAD_EMERGENCY_ABORTED, { frag: frag, stats: stats });\n }\n }\n }\n }\n }\n\n onFragLoaded (data) {\n const frag = data.frag;\n if (frag.type === 'main' && Number.isFinite(frag.sn)) {\n // stop monitoring bw once frag loaded\n this.clearTimer();\n // store level id after successful fragment load\n this.lastLoadedFragLevel = frag.level;\n // reset forced auto level value so that next level will be selected\n this._nextAutoLevel = -1;\n\n // compute level average bitrate\n if (this.hls.config.abrMaxWithRealBitrate) {\n const level = this.hls.levels[frag.level];\n let loadedBytes = (level.loaded ? level.loaded.bytes : 0) + data.stats.loaded;\n let loadedDuration = (level.loaded ? level.loaded.duration : 0) + data.frag.duration;\n level.loaded = { bytes: loadedBytes, duration: loadedDuration };\n level.realBitrate = Math.round(8 * loadedBytes / loadedDuration);\n }\n // if fragment has been loaded to perform a bitrate test,\n if (data.frag.bitrateTest) {\n let stats = data.stats;\n stats.tparsed = stats.tbuffered = stats.tload;\n this.onFragBuffered(data);\n }\n }\n }\n\n onFragBuffered (data) {\n const stats = data.stats;\n const frag = data.frag;\n // only update stats on first frag buffering\n // if same frag is loaded multiple times, it might be in browser cache, and loaded quickly\n // and leading to wrong bw estimation\n // on bitrate test, also only update stats once (if tload = tbuffered == on FRAG_LOADED)\n if (stats.aborted !== true && frag.type === 'main' && Number.isFinite(frag.sn) && ((!frag.bitrateTest || stats.tload === stats.tbuffered))) {\n // use tparsed-trequest instead of tbuffered-trequest to compute fragLoadingProcessing; rationale is that buffer appending only happens once media is attached\n // in case we use config.startFragPrefetch while media is not attached yet, fragment might be parsed while media not attached yet, but it will only be buffered on media attached\n // as a consequence it could happen really late in the process. meaning that appending duration might appears huge ... leading to underestimated throughput estimation\n let fragLoadingProcessingMs = stats.tparsed - stats.trequest;\n logger.log(`latency/loading/parsing/append/kbps:${Math.round(stats.tfirst - stats.trequest)}/${Math.round(stats.tload - stats.tfirst)}/${Math.round(stats.tparsed - stats.tload)}/${Math.round(stats.tbuffered - stats.tparsed)}/${Math.round(8 * stats.loaded / (stats.tbuffered - stats.trequest))}`);\n this._bwEstimator.sample(fragLoadingProcessingMs, stats.loaded);\n stats.bwEstimate = this._bwEstimator.getEstimate();\n // if fragment has been loaded to perform a bitrate test, (hls.startLevel = -1), store bitrate test delay duration\n if (frag.bitrateTest) {\n this.bitrateTestDelay = fragLoadingProcessingMs / 1000;\n } else {\n this.bitrateTestDelay = 0;\n }\n }\n }\n\n onError (data) {\n // stop timer in case of frag loading error\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n this.clearTimer();\n break;\n default:\n break;\n }\n }\n\n clearTimer () {\n clearInterval(this.timer);\n this.timer = null;\n }\n\n // return next auto level\n get nextAutoLevel () {\n const forcedAutoLevel = this._nextAutoLevel;\n const bwEstimator = this._bwEstimator;\n // in case next auto level has been forced, and bw not available or not reliable, return forced value\n if (forcedAutoLevel !== -1 && (!bwEstimator || !bwEstimator.canEstimate())) {\n return forcedAutoLevel;\n }\n\n // compute next level using ABR logic\n let nextABRAutoLevel = this._nextABRAutoLevel;\n // if forced auto level has been defined, use it to cap ABR computed quality level\n if (forcedAutoLevel !== -1) {\n nextABRAutoLevel = Math.min(forcedAutoLevel, nextABRAutoLevel);\n }\n\n return nextABRAutoLevel;\n }\n get _nextABRAutoLevel () {\n let hls = this.hls;\n const { maxAutoLevel, levels, config, minAutoLevel } = hls;\n const video = hls.media;\n const currentLevel = this.lastLoadedFragLevel;\n const currentFragDuration = this.fragCurrent ? this.fragCurrent.duration : 0;\n const pos = (video ? video.currentTime : 0);\n\n // playbackRate is the absolute value of the playback rate; if video.playbackRate is 0, we use 1 to load as\n // if we're playing back at the normal rate.\n const playbackRate = ((video && (video.playbackRate !== 0)) ? Math.abs(video.playbackRate) : 1.0);\n const avgbw = this._bwEstimator ? this._bwEstimator.getEstimate() : config.abrEwmaDefaultEstimate;\n // bufferStarvationDelay is the wall-clock time left until the playback buffer is exhausted.\n const bufferStarvationDelay = (BufferHelper.bufferInfo(video, pos, config.maxBufferHole).end - pos) / playbackRate;\n\n // First, look to see if we can find a level matching with our avg bandwidth AND that could also guarantee no rebuffering at all\n let bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay, config.abrBandWidthFactor, config.abrBandWidthUpFactor, levels);\n if (bestLevel >= 0) {\n return bestLevel;\n } else {\n logger.trace('rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering');\n // not possible to get rid of rebuffering ... let's try to find level that will guarantee less than maxStarvationDelay of rebuffering\n // if no matching level found, logic will return 0\n let maxStarvationDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxStarvationDelay) : config.maxStarvationDelay;\n let bwFactor = config.abrBandWidthFactor;\n let bwUpFactor = config.abrBandWidthUpFactor;\n\n if (bufferStarvationDelay === 0) {\n // in case buffer is empty, let's check if previous fragment was loaded to perform a bitrate test\n let bitrateTestDelay = this.bitrateTestDelay;\n if (bitrateTestDelay) {\n // if it is the case, then we need to adjust our max starvation delay using maxLoadingDelay config value\n // max video loading delay used in automatic start level selection :\n // in that mode ABR controller will ensure that video loading time (ie the time to fetch the first fragment at lowest quality level +\n // the time to fetch the fragment at the appropriate quality level is less than ```maxLoadingDelay``` )\n // cap maxLoadingDelay and ensure it is not bigger 'than bitrate test' frag duration\n const maxLoadingDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxLoadingDelay) : config.maxLoadingDelay;\n maxStarvationDelay = maxLoadingDelay - bitrateTestDelay;\n logger.trace(`bitrate test took ${Math.round(1000 * bitrateTestDelay)}ms, set first fragment max fetchDuration to ${Math.round(1000 * maxStarvationDelay)} ms`);\n // don't use conservative factor on bitrate test\n bwFactor = bwUpFactor = 1;\n }\n }\n bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay + maxStarvationDelay, bwFactor, bwUpFactor, levels);\n return Math.max(bestLevel, 0);\n }\n }\n\n _findBestLevel (currentLevel, currentFragDuration, currentBw, minAutoLevel, maxAutoLevel, maxFetchDuration, bwFactor, bwUpFactor, levels) {\n for (let i = maxAutoLevel; i >= minAutoLevel; i--) {\n let levelInfo = levels[i];\n\n if (!levelInfo) {\n continue;\n }\n\n const levelDetails = levelInfo.details;\n const avgDuration = levelDetails ? levelDetails.totalduration / levelDetails.fragments.length : currentFragDuration;\n const live = levelDetails ? levelDetails.live : false;\n\n let adjustedbw;\n // follow algorithm captured from stagefright :\n // https://android.googlesource.com/platform/frameworks/av/+/master/media/libstagefright/httplive/LiveSession.cpp\n // Pick the highest bandwidth stream below or equal to estimated bandwidth.\n // consider only 80% of the available bandwidth, but if we are switching up,\n // be even more conservative (70%) to avoid overestimating and immediately\n // switching back.\n if (i <= currentLevel) {\n adjustedbw = bwFactor * currentBw;\n } else {\n adjustedbw = bwUpFactor * currentBw;\n }\n\n const bitrate = levels[i].realBitrate ? Math.max(levels[i].realBitrate, levels[i].bitrate) : levels[i].bitrate;\n const fetchDuration = bitrate * avgDuration / adjustedbw;\n\n logger.trace(`level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: ${i}/${Math.round(adjustedbw)}/${bitrate}/${avgDuration}/${maxFetchDuration}/${fetchDuration}`);\n // if adjusted bw is greater than level bitrate AND\n if (adjustedbw > bitrate &&\n // fragment fetchDuration unknown OR live stream OR fragment fetchDuration less than max allowed fetch duration, then this level matches\n // we don't account for max Fetch Duration for live streams, this is to avoid switching down when near the edge of live sliding window ...\n // special case to support startLevel = -1 (bitrateTest) on live streams : in that case we should not exit loop so that _findBestLevel will return -1\n (!fetchDuration || (live && !this.bitrateTestDelay) || fetchDuration < maxFetchDuration)) {\n // as we are looping from highest to lowest, this will return the best achievable quality level\n return i;\n }\n }\n // not enough time budget even with quality level 0 ... rebuffering might happen\n return -1;\n }\n\n set nextAutoLevel (nextLevel) {\n this._nextAutoLevel = nextLevel;\n }\n}\n\nexport default AbrController;\n","/*\n * Buffer Controller\n */\n\nimport Events from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { getMediaSource } from '../utils/mediasource-helper';\n\nimport { TrackSet } from '../types/track';\nimport { Segment } from '../types/segment';\nimport { BufferControllerConfig } from '../config';\n\n// Add extension properties to SourceBuffers from the DOM API.\ntype ExtendedSourceBuffer = SourceBuffer & {\n ended?: boolean\n};\n\ntype SourceBufferName = 'video' | 'audio';\ntype SourceBuffers = Partial<Record<SourceBufferName, ExtendedSourceBuffer>>;\n\ninterface SourceBufferFlushRange {\n start: number;\n end: number;\n type: SourceBufferName\n}\n\nconst MediaSource = getMediaSource();\n\nclass BufferController extends EventHandler {\n // the value that we have set mediasource.duration to\n // (the actual duration may be tweaked slighly by the browser)\n private _msDuration: number | null = null;\n // the value that we want to set mediaSource.duration to\n private _levelDuration: number | null = null;\n // the target duration of the current media playlist\n private _levelTargetDuration: number = 10;\n // current stream state: true - for live broadcast, false - for VoD content\n private _live: boolean | null = null;\n // cache the self generated object url to detect hijack of video tag\n private _objectUrl: string | null = null;\n\n // signals that the sourceBuffers need to be flushed\n private _needsFlush: boolean = false;\n\n // signals that mediaSource should have endOfStream called\n private _needsEos: boolean = false;\n\n private config: BufferControllerConfig;\n\n // this is optional because this property is removed from the class sometimes\n public audioTimestampOffset?: number;\n\n // The number of BUFFER_CODEC events received before any sourceBuffers are created\n public bufferCodecEventsExpected: number = 0;\n\n // The total number of BUFFER_CODEC events received\n private _bufferCodecEventsTotal: number = 0;\n\n // A reference to the attached media element\n public media: HTMLMediaElement | null = null;\n\n // A reference to the active media source\n public mediaSource: MediaSource | null = null;\n\n // List of pending segments to be appended to source buffer\n public segments: Segment[] = [];\n\n public parent?: string;\n\n // A guard to see if we are currently appending to the source buffer\n public appending: boolean = false;\n\n // counters\n public appended: number = 0;\n public appendError: number = 0;\n public flushBufferCounter: number = 0;\n\n public tracks: TrackSet = {};\n public pendingTracks: TrackSet = {};\n public sourceBuffer: SourceBuffers = {};\n public flushRange: SourceBufferFlushRange[] = [];\n\n constructor (hls: any) {\n super(hls,\n Events.MEDIA_ATTACHING,\n Events.MEDIA_DETACHING,\n Events.MANIFEST_PARSED,\n Events.BUFFER_RESET,\n Events.BUFFER_APPENDING,\n Events.BUFFER_CODECS,\n Events.BUFFER_EOS,\n Events.BUFFER_FLUSHING,\n Events.LEVEL_PTS_UPDATED,\n Events.LEVEL_UPDATED);\n\n this.config = hls.config;\n }\n\n destroy () {\n EventHandler.prototype.destroy.call(this);\n }\n\n onLevelPtsUpdated (data: { type: SourceBufferName, start: number }) {\n let type = data.type;\n let audioTrack = this.tracks.audio;\n\n // Adjusting `SourceBuffer.timestampOffset` (desired point in the timeline where the next frames should be appended)\n // in Chrome browser when we detect MPEG audio container and time delta between level PTS and `SourceBuffer.timestampOffset`\n // is greater than 100ms (this is enough to handle seek for VOD or level change for LIVE videos). At the time of change we issue\n // `SourceBuffer.abort()` and adjusting `SourceBuffer.timestampOffset` if `SourceBuffer.updating` is false or awaiting `updateend`\n // event if SB is in updating state.\n // More info here: https://github.com/video-dev/hls.js/issues/332#issuecomment-257986486\n\n if (type === 'audio' && audioTrack && audioTrack.container === 'audio/mpeg') { // Chrome audio mp3 track\n let audioBuffer = this.sourceBuffer.audio;\n if (!audioBuffer) {\n throw Error('Level PTS Updated and source buffer for audio uninitalized');\n }\n\n let delta = Math.abs(audioBuffer.timestampOffset - data.start);\n\n // adjust timestamp offset if time delta is greater than 100ms\n if (delta > 0.1) {\n let updating = audioBuffer.updating;\n\n try {\n audioBuffer.abort();\n } catch (err) {\n logger.warn('can not abort audio buffer: ' + err);\n }\n\n if (!updating) {\n logger.warn('change mpeg audio timestamp offset from ' + audioBuffer.timestampOffset + ' to ' + data.start);\n audioBuffer.timestampOffset = data.start;\n } else {\n this.audioTimestampOffset = data.start;\n }\n }\n }\n }\n\n onManifestParsed (data: { altAudio: boolean }) {\n // in case of alt audio 2 BUFFER_CODECS events will be triggered, one per stream controller\n // sourcebuffers will be created all at once when the expected nb of tracks will be reached\n // in case alt audio is not used, only one BUFFER_CODEC event will be fired from main stream controller\n // it will contain the expected nb of source buffers, no need to compute it\n this.bufferCodecEventsExpected = this._bufferCodecEventsTotal = data.altAudio ? 2 : 1;\n logger.log(`${this.bufferCodecEventsExpected} bufferCodec event(s) expected`);\n }\n\n onMediaAttaching (data: { media: HTMLMediaElement }) {\n let media = this.media = data.media;\n if (media && MediaSource) {\n // setup the media source\n let ms = this.mediaSource = new MediaSource();\n // Media Source listeners\n ms.addEventListener('sourceopen', this._onMediaSourceOpen);\n ms.addEventListener('sourceended', this._onMediaSourceEnded);\n ms.addEventListener('sourceclose', this._onMediaSourceClose);\n // link video and media Source\n media.src = window.URL.createObjectURL(ms);\n // cache the locally generated object url\n this._objectUrl = media.src;\n }\n }\n\n onMediaDetaching () {\n logger.log('media source detaching');\n let ms = this.mediaSource;\n if (ms) {\n if (ms.readyState === 'open') {\n try {\n // endOfStream could trigger exception if any sourcebuffer is in updating state\n // we don't really care about checking sourcebuffer state here,\n // as we are anyway detaching the MediaSource\n // let's just avoid this exception to propagate\n ms.endOfStream();\n } catch (err) {\n logger.warn(`onMediaDetaching:${err.message} while calling endOfStream`);\n }\n }\n ms.removeEventListener('sourceopen', this._onMediaSourceOpen);\n ms.removeEventListener('sourceended', this._onMediaSourceEnded);\n ms.removeEventListener('sourceclose', this._onMediaSourceClose);\n\n // Detach properly the MediaSource from the HTMLMediaElement as\n // suggested in https://github.com/w3c/media-source/issues/53.\n if (this.media) {\n if (this._objectUrl) {\n window.URL.revokeObjectURL(this._objectUrl);\n }\n\n // clean up video tag src only if it's our own url. some external libraries might\n // hijack the video tag and change its 'src' without destroying the Hls instance first\n if (this.media.src === this._objectUrl) {\n this.media.removeAttribute('src');\n this.media.load();\n } else {\n logger.warn('media.src was changed by a third party - skip cleanup');\n }\n }\n\n this.mediaSource = null;\n this.media = null;\n this._objectUrl = null;\n this.bufferCodecEventsExpected = this._bufferCodecEventsTotal;\n this.pendingTracks = {};\n this.tracks = {};\n this.sourceBuffer = {};\n this.flushRange = [];\n this.segments = [];\n this.appended = 0;\n }\n\n this.hls.trigger(Events.MEDIA_DETACHED);\n }\n\n checkPendingTracks () {\n let { bufferCodecEventsExpected, pendingTracks } = this;\n\n // Check if we've received all of the expected bufferCodec events. When none remain, create all the sourceBuffers at once.\n // This is important because the MSE spec allows implementations to throw QuotaExceededErrors if creating new sourceBuffers after\n // data has been appended to existing ones.\n // 2 tracks is the max (one for audio, one for video). If we've reach this max go ahead and create the buffers.\n const pendingTracksCount = Object.keys(pendingTracks).length;\n if ((pendingTracksCount && !bufferCodecEventsExpected) || pendingTracksCount === 2) {\n // ok, let's create them now !\n this.createSourceBuffers(pendingTracks);\n this.pendingTracks = {};\n // append any pending segments now !\n this.doAppending();\n }\n }\n\n private _onMediaSourceOpen = () => {\n logger.log('media source opened');\n this.hls.trigger(Events.MEDIA_ATTACHED, { media: this.media });\n let mediaSource = this.mediaSource;\n if (mediaSource) {\n // once received, don't listen anymore to sourceopen event\n mediaSource.removeEventListener('sourceopen', this._onMediaSourceOpen);\n }\n this.checkPendingTracks();\n }\n\n private _onMediaSourceClose = () => {\n logger.log('media source closed');\n }\n\n private _onMediaSourceEnded = () => {\n logger.log('media source ended');\n }\n\n private _onSBUpdateEnd = () => {\n // update timestampOffset\n if (this.audioTimestampOffset && this.sourceBuffer.audio) {\n let audioBuffer = this.sourceBuffer.audio;\n\n logger.warn(`change mpeg audio timestamp offset from ${audioBuffer.timestampOffset} to ${this.audioTimestampOffset}`);\n audioBuffer.timestampOffset = this.audioTimestampOffset;\n delete this.audioTimestampOffset;\n }\n\n if (this._needsFlush) {\n this.doFlush();\n }\n\n if (this._needsEos) {\n this.checkEos();\n }\n\n this.appending = false;\n let parent = this.parent;\n // count nb of pending segments waiting for appending on this sourcebuffer\n let pending = this.segments.reduce((counter, segment) => (segment.parent === parent) ? counter + 1 : counter, 0);\n\n // this.sourceBuffer is better to use than media.buffered as it is closer to the PTS data from the fragments\n const timeRanges: Partial<Record<SourceBufferName, TimeRanges>> = {};\n const sbSet = this.sourceBuffer;\n for (let streamType in sbSet) {\n const sb = sbSet[streamType as SourceBufferName];\n if (!sb) {\n throw Error(`handling source buffer update end error: source buffer for ${streamType} uninitilized and unable to update buffered TimeRanges.`);\n }\n timeRanges[streamType as SourceBufferName] = sb.buffered;\n }\n\n this.hls.trigger(Events.BUFFER_APPENDED, { parent, pending, timeRanges });\n // don't append in flushing mode\n if (!this._needsFlush) {\n this.doAppending();\n }\n\n this.updateMediaElementDuration();\n\n // appending goes first\n if (pending === 0) {\n this.flushLiveBackBuffer();\n }\n }\n\n private _onSBUpdateError = (event: Event) => {\n logger.error('sourceBuffer error:', event);\n // according to http://www.w3.org/TR/media-source/#sourcebuffer-append-error\n // this error might not always be fatal (it is fatal if decode error is set, in that case\n // it will be followed by a mediaElement error ...)\n this.hls.trigger(Events.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_APPENDING_ERROR, fatal: false });\n // we don't need to do more than that, as accordin to the spec, updateend will be fired just after\n }\n\n onBufferReset () {\n const sourceBuffer = this.sourceBuffer;\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type];\n try {\n if (sb) {\n if (this.mediaSource) {\n this.mediaSource.removeSourceBuffer(sb);\n }\n sb.removeEventListener('updateend', this._onSBUpdateEnd);\n sb.removeEventListener('error', this._onSBUpdateError);\n }\n } catch (err) {\n }\n }\n this.sourceBuffer = {};\n this.flushRange = [];\n this.segments = [];\n this.appended = 0;\n }\n\n onBufferCodecs (tracks: TrackSet) {\n // if source buffer(s) not created yet, appended buffer tracks in this.pendingTracks\n // if sourcebuffers already created, do nothing ...\n if (Object.keys(this.sourceBuffer).length) {\n return;\n }\n\n Object.keys(tracks).forEach(trackName => {\n this.pendingTracks[trackName] = tracks[trackName];\n });\n\n this.bufferCodecEventsExpected = Math.max(this.bufferCodecEventsExpected - 1, 0);\n if (this.mediaSource && this.mediaSource.readyState === 'open') {\n this.checkPendingTracks();\n }\n }\n\n createSourceBuffers (tracks: TrackSet) {\n const { sourceBuffer, mediaSource } = this;\n if (!mediaSource) {\n throw Error('createSourceBuffers called when mediaSource was null');\n }\n\n for (let trackName in tracks) {\n if (!sourceBuffer[trackName]) {\n let track = tracks[trackName as keyof TrackSet];\n if (!track) {\n throw Error(`source buffer exists for track ${trackName}, however track does not`);\n }\n // use levelCodec as first priority\n let codec = track.levelCodec || track.codec;\n let mimeType = `${track.container};codecs=${codec}`;\n logger.log(`creating sourceBuffer(${mimeType})`);\n try {\n let sb = sourceBuffer[trackName] = mediaSource.addSourceBuffer(mimeType);\n sb.addEventListener('updateend', this._onSBUpdateEnd);\n sb.addEventListener('error', this._onSBUpdateError);\n this.tracks[trackName] = {\n buffer: sb,\n codec: codec,\n id: track.id,\n container: track.container,\n levelCodec: track.levelCodec\n };\n } catch (err) {\n logger.error(`error while trying to add sourceBuffer:${err.message}`);\n this.hls.trigger(Events.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_ADD_CODEC_ERROR, fatal: false, err: err, mimeType: mimeType });\n }\n }\n }\n this.hls.trigger(Events.BUFFER_CREATED, { tracks: this.tracks });\n }\n\n onBufferAppending (data: Segment) {\n if (!this._needsFlush) {\n if (!this.segments) {\n this.segments = [ data ];\n } else {\n this.segments.push(data);\n }\n\n this.doAppending();\n }\n }\n\n // on BUFFER_EOS mark matching sourcebuffer(s) as ended and trigger checkEos()\n // an undefined data.type will mark all buffers as EOS.\n onBufferEos (data: { type?: SourceBufferName }) {\n for (const type in this.sourceBuffer) {\n if (!data.type || data.type === type) {\n const sb = this.sourceBuffer[type as SourceBufferName];\n if (sb && !sb.ended) {\n sb.ended = true;\n logger.log(`${type} sourceBuffer now EOS`);\n }\n }\n }\n\n this.checkEos();\n }\n\n // if all source buffers are marked as ended, signal endOfStream() to MediaSource.\n checkEos () {\n const { sourceBuffer, mediaSource } = this;\n if (!mediaSource || mediaSource.readyState !== 'open') {\n this._needsEos = false;\n return;\n }\n\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type as SourceBufferName];\n if (!sb) continue;\n\n if (!sb.ended) {\n return;\n }\n\n if (sb.updating) {\n this._needsEos = true;\n return;\n }\n }\n\n logger.log('all media data are available, signal endOfStream() to MediaSource and stop loading fragment');\n // Notify the media element that it now has all of the media data\n try {\n mediaSource.endOfStream();\n } catch (e) {\n logger.warn('exception while calling mediaSource.endOfStream()');\n }\n this._needsEos = false;\n }\n\n onBufferFlushing (data: { startOffset: number, endOffset: number, type?: SourceBufferName }) {\n if (data.type) {\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: data.type });\n } else {\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: 'video' });\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: 'audio' });\n }\n\n // attempt flush immediately\n this.flushBufferCounter = 0;\n this.doFlush();\n }\n\n flushLiveBackBuffer () {\n // clear back buffer for live only\n if (!this._live) {\n return;\n }\n\n const liveBackBufferLength = this.config.liveBackBufferLength;\n if (!isFinite(liveBackBufferLength) || liveBackBufferLength < 0) {\n return;\n }\n\n if (!this.media) {\n logger.error('flushLiveBackBuffer called without attaching media');\n return;\n }\n\n const currentTime = this.media.currentTime;\n const sourceBuffer = this.sourceBuffer;\n const bufferTypes = Object.keys(sourceBuffer);\n const targetBackBufferPosition = currentTime - Math.max(liveBackBufferLength, this._levelTargetDuration);\n\n for (let index = bufferTypes.length - 1; index >= 0; index--) {\n const bufferType = bufferTypes[index];\n const sb = sourceBuffer[bufferType as SourceBufferName];\n if (sb) {\n const buffered = sb.buffered;\n // when target buffer start exceeds actual buffer start\n if (buffered.length > 0 && targetBackBufferPosition > buffered.start(0)) {\n // remove buffer up until current time minus minimum back buffer length (removing buffer too close to current\n // time will lead to playback freezing)\n // credits for level target duration - https://github.com/videojs/http-streaming/blob/3132933b6aa99ddefab29c10447624efd6fd6e52/src/segment-loader.js#L91\n if (this.removeBufferRange(bufferType, sb, 0, targetBackBufferPosition)) {\n this.hls.trigger(Events.LIVE_BACK_BUFFER_REACHED, { bufferEnd: targetBackBufferPosition });\n }\n\n }\n }\n }\n }\n\n onLevelUpdated ({ details }: { details: { totalduration: number, targetduration?: number, averagetargetduration?: number, live: boolean, fragments: any[] } }) {\n if (details.fragments.length > 0) {\n this._levelDuration = details.totalduration + details.fragments[0].start;\n this._levelTargetDuration = details.averagetargetduration || details.targetduration || 10;\n this._live = details.live;\n this.updateMediaElementDuration();\n }\n }\n\n /**\n * Update Media Source duration to current level duration or override to Infinity if configuration parameter\n * 'liveDurationInfinity` is set to `true`\n * More details: https://github.com/video-dev/hls.js/issues/355\n */\n updateMediaElementDuration () {\n let { config } = this;\n let duration: number;\n\n if (this._levelDuration === null ||\n !this.media ||\n !this.mediaSource ||\n !this.sourceBuffer ||\n this.media.readyState === 0 ||\n this.mediaSource.readyState !== 'open') {\n return;\n }\n\n for (let type in this.sourceBuffer) {\n const sb = this.sourceBuffer[type];\n if (sb && sb.updating === true) {\n // can't set duration whilst a buffer is updating\n return;\n }\n }\n\n duration = this.media.duration;\n // initialise to the value that the media source is reporting\n if (this._msDuration === null) {\n this._msDuration = this.mediaSource.duration;\n }\n\n if (this._live === true && config.liveDurationInfinity === true) {\n // Override duration to Infinity\n logger.log('Media Source duration is set to Infinity');\n this._msDuration = this.mediaSource.duration = Infinity;\n } else if ((this._levelDuration > this._msDuration && this._levelDuration > duration) || !Number.isFinite(duration)) {\n // levelDuration was the last value we set.\n // not using mediaSource.duration as the browser may tweak this value\n // only update Media Source duration if its value increase, this is to avoid\n // flushing already buffered portion when switching between quality level\n logger.log(`Updating Media Source duration to ${this._levelDuration.toFixed(3)}`);\n this._msDuration = this.mediaSource.duration = this._levelDuration;\n }\n }\n\n doFlush () {\n // loop through all buffer ranges to flush\n while (this.flushRange.length) {\n let range = this.flushRange[0];\n // flushBuffer will abort any buffer append in progress and flush Audio/Video Buffer\n if (this.flushBuffer(range.start, range.end, range.type)) {\n // range flushed, remove from flush array\n this.flushRange.shift();\n this.flushBufferCounter = 0;\n } else {\n this._needsFlush = true;\n // avoid looping, wait for SB update end to retrigger a flush\n return;\n }\n }\n if (this.flushRange.length === 0) {\n // everything flushed\n this._needsFlush = false;\n\n // let's recompute this.appended, which is used to avoid flush looping\n let appended = 0;\n let sourceBuffer = this.sourceBuffer;\n try {\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type];\n if (sb) {\n appended += sb.buffered.length;\n }\n }\n } catch (error) {\n // error could be thrown while accessing buffered, in case sourcebuffer has already been removed from MediaSource\n // this is harmess at this stage, catch this to avoid reporting an internal exception\n logger.error('error while accessing sourceBuffer.buffered');\n }\n this.appended = appended;\n this.hls.trigger(Events.BUFFER_FLUSHED);\n }\n }\n\n doAppending () {\n let { config, hls, segments, sourceBuffer } = this;\n if (!Object.keys(sourceBuffer).length) {\n // early exit if no source buffers have been initialized yet\n return;\n }\n\n if (!this.media || this.media.error) {\n this.segments = [];\n logger.error('trying to append although a media error occured, flush segment and abort');\n return;\n }\n\n if (this.appending) {\n // logger.log(`sb appending in progress`);\n return;\n }\n\n const segment = segments.shift();\n if (!segment) { // handle undefined shift\n return;\n }\n\n try {\n const sb = sourceBuffer[segment.type];\n if (!sb) {\n // in case we don't have any source buffer matching with this segment type,\n // it means that Mediasource fails to create sourcebuffer\n // discard this segment, and trigger update end\n this._onSBUpdateEnd();\n return;\n }\n\n if (sb.updating) {\n // if we are still updating the source buffer from the last segment, place this back at the front of the queue\n segments.unshift(segment);\n return;\n }\n\n // reset sourceBuffer ended flag before appending segment\n sb.ended = false;\n // logger.log(`appending ${segment.content} ${type} SB, size:${segment.data.length}, ${segment.parent}`);\n this.parent = segment.parent;\n sb.appendBuffer(segment.data);\n this.appendError = 0;\n this.appended++;\n this.appending = true;\n } catch (err) {\n // in case any error occured while appending, put back segment in segments table\n logger.error(`error while trying to append buffer:${err.message}`);\n segments.unshift(segment);\n let event = { type: ErrorTypes.MEDIA_ERROR, parent: segment.parent, details: '', fatal: false };\n if (err.code === 22) {\n // QuotaExceededError: http://www.w3.org/TR/html5/infrastructure.html#quotaexceedederror\n // let's stop appending any segments, and report BUFFER_FULL_ERROR error\n this.segments = [];\n event.details = ErrorDetails.BUFFER_FULL_ERROR;\n } else {\n this.appendError++;\n event.details = ErrorDetails.BUFFER_APPEND_ERROR;\n /* with UHD content, we could get loop of quota exceeded error until\n browser is able to evict some data from sourcebuffer. retrying help recovering this\n */\n if (this.appendError > config.appendErrorMaxRetry) {\n logger.log(`fail ${config.appendErrorMaxRetry} times to append segment in sourceBuffer`);\n this.segments = [];\n event.fatal = true;\n }\n }\n hls.trigger(Events.ERROR, event);\n }\n }\n\n /*\n flush specified buffered range,\n return true once range has been flushed.\n as sourceBuffer.remove() is asynchronous, flushBuffer will be retriggered on sourceBuffer update end\n */\n flushBuffer (startOffset: number, endOffset: number, sbType: SourceBufferName): boolean {\n const sourceBuffer = this.sourceBuffer;\n // exit if no sourceBuffers are initialized\n if (!Object.keys(sourceBuffer).length) {\n return true;\n }\n\n let currentTime: string = 'null';\n if (this.media) {\n currentTime = this.media.currentTime.toFixed(3);\n }\n logger.log(`flushBuffer,pos/start/end: ${currentTime}/${startOffset}/${endOffset}`);\n\n // safeguard to avoid infinite looping : don't try to flush more than the nb of appended segments\n if (this.flushBufferCounter >= this.appended) {\n logger.warn('abort flushing too many retries');\n return true;\n }\n\n const sb = sourceBuffer[sbType];\n // we are going to flush buffer, mark source buffer as 'not ended'\n if (sb) {\n sb.ended = false;\n if (!sb.updating) {\n if (this.removeBufferRange(sbType, sb, startOffset, endOffset)) {\n this.flushBufferCounter++;\n return false;\n }\n } else {\n logger.warn('cannot flush, sb updating in progress');\n return false;\n }\n }\n\n logger.log('buffer flushed');\n // everything flushed !\n return true;\n }\n\n /**\n * Removes first buffered range from provided source buffer that lies within given start and end offsets.\n *\n * @param {string} type Type of the source buffer, logging purposes only.\n * @param {SourceBuffer} sb Target SourceBuffer instance.\n * @param {number} startOffset\n * @param {number} endOffset\n *\n * @returns {boolean} True when source buffer remove requested.\n */\n removeBufferRange (type: string, sb: ExtendedSourceBuffer, startOffset: number, endOffset: number): boolean {\n try {\n for (let i = 0; i < sb.buffered.length; i++) {\n let bufStart = sb.buffered.start(i);\n let bufEnd = sb.buffered.end(i);\n let removeStart = Math.max(bufStart, startOffset);\n let removeEnd = Math.min(bufEnd, endOffset);\n\n /* sometimes sourcebuffer.remove() does not flush\n the exact expected time range.\n to avoid rounding issues/infinite loop,\n only flush buffer range of length greater than 500ms.\n */\n if (Math.min(removeEnd, bufEnd) - removeStart > 0.5) {\n let currentTime: string = 'null';\n if (this.media) {\n currentTime = this.media.currentTime.toString();\n }\n\n logger.log(`sb remove ${type} [${removeStart},${removeEnd}], of [${bufStart},${bufEnd}], pos:${currentTime}`);\n sb.remove(removeStart, removeEnd);\n return true;\n }\n }\n } catch (error) {\n logger.warn('removeBufferRange failed', error);\n }\n\n return false;\n }\n}\n\nexport default BufferController;\n","/*\n * cap stream level to media size dimension controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\n\nclass CapLevelController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.FPS_DROP_LEVEL_CAPPING,\n Event.MEDIA_ATTACHING,\n Event.MANIFEST_PARSED,\n Event.BUFFER_CODECS,\n Event.MEDIA_DETACHING);\n\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n this.firstLevel = null;\n this.levels = [];\n this.media = null;\n this.restrictedLevels = [];\n this.timer = null;\n }\n\n destroy () {\n if (this.hls.config.capLevelToPlayerSize) {\n this.media = null;\n this.stopCapping();\n }\n }\n\n onFpsDropLevelCapping (data) {\n // Don't add a restricted level more than once\n if (CapLevelController.isLevelAllowed(data.droppedLevel, this.restrictedLevels)) {\n this.restrictedLevels.push(data.droppedLevel);\n }\n }\n\n onMediaAttaching (data) {\n this.media = data.media instanceof window.HTMLVideoElement ? data.media : null;\n }\n\n onManifestParsed (data) {\n const hls = this.hls;\n this.restrictedLevels = [];\n this.levels = data.levels;\n this.firstLevel = data.firstLevel;\n if (hls.config.capLevelToPlayerSize && data.video) {\n // Start capping immediately if the manifest has signaled video codecs\n this.startCapping();\n }\n }\n\n // Only activate capping when playing a video stream; otherwise, multi-bitrate audio-only streams will be restricted\n // to the first level\n onBufferCodecs (data) {\n const hls = this.hls;\n if (hls.config.capLevelToPlayerSize && data.video) {\n // If the manifest did not signal a video codec capping has been deferred until we're certain video is present\n this.startCapping();\n }\n }\n\n onLevelsUpdated (data) {\n this.levels = data.levels;\n }\n\n onMediaDetaching () {\n this.stopCapping();\n }\n\n detectPlayerSize () {\n if (this.media) {\n let levelsLength = this.levels ? this.levels.length : 0;\n if (levelsLength) {\n const hls = this.hls;\n hls.autoLevelCapping = this.getMaxLevel(levelsLength - 1);\n if (hls.autoLevelCapping > this.autoLevelCapping) {\n // if auto level capping has a higher value for the previous one, flush the buffer using nextLevelSwitch\n // usually happen when the user go to the fullscreen mode.\n hls.streamController.nextLevelSwitch();\n }\n this.autoLevelCapping = hls.autoLevelCapping;\n }\n }\n }\n\n /*\n * returns level should be the one with the dimensions equal or greater than the media (player) dimensions (so the video will be downscaled)\n */\n getMaxLevel (capLevelIndex) {\n if (!this.levels) {\n return -1;\n }\n\n const validLevels = this.levels.filter((level, index) =>\n CapLevelController.isLevelAllowed(index, this.restrictedLevels) && index <= capLevelIndex\n );\n\n return CapLevelController.getMaxLevelByMediaSize(validLevels, this.mediaWidth, this.mediaHeight);\n }\n\n startCapping () {\n if (this.timer) {\n // Don't reset capping if started twice; this can happen if the manifest signals a video codec\n return;\n }\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n this.hls.firstLevel = this.getMaxLevel(this.firstLevel);\n clearInterval(this.timer);\n this.timer = setInterval(this.detectPlayerSize.bind(this), 1000);\n this.detectPlayerSize();\n }\n\n stopCapping () {\n this.restrictedLevels = [];\n this.firstLevel = null;\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n if (this.timer) {\n this.timer = clearInterval(this.timer);\n this.timer = null;\n }\n }\n\n get mediaWidth () {\n let width;\n const media = this.media;\n if (media) {\n width = media.width || media.clientWidth || media.offsetWidth;\n width *= CapLevelController.contentScaleFactor;\n }\n return width;\n }\n\n get mediaHeight () {\n let height;\n const media = this.media;\n if (media) {\n height = media.height || media.clientHeight || media.offsetHeight;\n height *= CapLevelController.contentScaleFactor;\n }\n return height;\n }\n\n static get contentScaleFactor () {\n let pixelRatio = 1;\n try {\n pixelRatio = window.devicePixelRatio;\n } catch (e) {}\n return pixelRatio;\n }\n\n static isLevelAllowed (level, restrictedLevels = []) {\n return restrictedLevels.indexOf(level) === -1;\n }\n\n static getMaxLevelByMediaSize (levels, width, height) {\n if (!levels || (levels && !levels.length)) {\n return -1;\n }\n\n // Levels can have the same dimensions but differing bandwidths - since levels are ordered, we can look to the next\n // to determine whether we've chosen the greatest bandwidth for the media's dimensions\n const atGreatestBandiwdth = (curLevel, nextLevel) => {\n if (!nextLevel) {\n return true;\n }\n\n return curLevel.width !== nextLevel.width || curLevel.height !== nextLevel.height;\n };\n\n // If we run through the loop without breaking, the media's dimensions are greater than every level, so default to\n // the max level\n let maxLevelIndex = levels.length - 1;\n\n for (let i = 0; i < levels.length; i += 1) {\n const level = levels[i];\n if ((level.width >= width || level.height >= height) && atGreatestBandiwdth(level, levels[i + 1])) {\n maxLevelIndex = i;\n break;\n }\n }\n\n return maxLevelIndex;\n }\n}\n\nexport default CapLevelController;\n","/*\n * FPS Controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\n\nconst { performance } = window;\n\nclass FPSController extends EventHandler {\n constructor (hls) {\n super(hls, Event.MEDIA_ATTACHING);\n }\n\n destroy () {\n if (this.timer) {\n clearInterval(this.timer);\n }\n\n this.isVideoPlaybackQualityAvailable = false;\n }\n\n onMediaAttaching (data) {\n const config = this.hls.config;\n if (config.capLevelOnFPSDrop) {\n const video = this.video = data.media instanceof window.HTMLVideoElement ? data.media : null;\n if (typeof video.getVideoPlaybackQuality === 'function') {\n this.isVideoPlaybackQualityAvailable = true;\n }\n\n clearInterval(this.timer);\n this.timer = setInterval(this.checkFPSInterval.bind(this), config.fpsDroppedMonitoringPeriod);\n }\n }\n\n checkFPS (video, decodedFrames, droppedFrames) {\n let currentTime = performance.now();\n if (decodedFrames) {\n if (this.lastTime) {\n let currentPeriod = currentTime - this.lastTime,\n currentDropped = droppedFrames - this.lastDroppedFrames,\n currentDecoded = decodedFrames - this.lastDecodedFrames,\n droppedFPS = 1000 * currentDropped / currentPeriod,\n hls = this.hls;\n hls.trigger(Event.FPS_DROP, { currentDropped: currentDropped, currentDecoded: currentDecoded, totalDroppedFrames: droppedFrames });\n if (droppedFPS > 0) {\n // logger.log('checkFPS : droppedFPS/decodedFPS:' + droppedFPS/(1000 * currentDecoded / currentPeriod));\n if (currentDropped > hls.config.fpsDroppedMonitoringThreshold * currentDecoded) {\n let currentLevel = hls.currentLevel;\n logger.warn('drop FPS ratio greater than max allowed value for currentLevel: ' + currentLevel);\n if (currentLevel > 0 && (hls.autoLevelCapping === -1 || hls.autoLevelCapping >= currentLevel)) {\n currentLevel = currentLevel - 1;\n hls.trigger(Event.FPS_DROP_LEVEL_CAPPING, { level: currentLevel, droppedLevel: hls.currentLevel });\n hls.autoLevelCapping = currentLevel;\n hls.streamController.nextLevelSwitch();\n }\n }\n }\n }\n this.lastTime = currentTime;\n this.lastDroppedFrames = droppedFrames;\n this.lastDecodedFrames = decodedFrames;\n }\n }\n\n checkFPSInterval () {\n const video = this.video;\n if (video) {\n if (this.isVideoPlaybackQualityAvailable) {\n let videoPlaybackQuality = video.getVideoPlaybackQuality();\n this.checkFPS(video, videoPlaybackQuality.totalVideoFrames, videoPlaybackQuality.droppedVideoFrames);\n } else {\n this.checkFPS(video, video.webkitDecodedFrameCount, video.webkitDroppedFrameCount);\n }\n }\n }\n}\n\nexport default FPSController;\n","/**\n * XHR based logger\n*/\n\nimport { logger } from '../utils/logger';\n\nconst { performance, XMLHttpRequest } = window;\n\nclass XhrLoader {\n constructor (config) {\n if (config && config.xhrSetup) {\n this.xhrSetup = config.xhrSetup;\n }\n }\n\n destroy () {\n this.abort();\n this.loader = null;\n }\n\n abort () {\n let loader = this.loader;\n if (loader && loader.readyState !== 4) {\n this.stats.aborted = true;\n loader.abort();\n }\n\n window.clearTimeout(this.requestTimeout);\n this.requestTimeout = null;\n window.clearTimeout(this.retryTimeout);\n this.retryTimeout = null;\n }\n\n load (context, config, callbacks) {\n this.context = context;\n this.config = config;\n this.callbacks = callbacks;\n this.stats = { trequest: performance.now(), retry: 0 };\n this.retryDelay = config.retryDelay;\n this.loadInternal();\n }\n\n loadInternal () {\n let xhr, context = this.context;\n xhr = this.loader = new XMLHttpRequest();\n\n let stats = this.stats;\n stats.tfirst = 0;\n stats.loaded = 0;\n const xhrSetup = this.xhrSetup;\n\n try {\n if (xhrSetup) {\n try {\n xhrSetup(xhr, context.url);\n } catch (e) {\n // fix xhrSetup: (xhr, url) => {xhr.setRequestHeader(\"Content-Language\", \"test\");}\n // not working, as xhr.setRequestHeader expects xhr.readyState === OPEN\n xhr.open('GET', context.url, true);\n xhrSetup(xhr, context.url);\n }\n }\n if (!xhr.readyState) {\n xhr.open('GET', context.url, true);\n }\n } catch (e) {\n // IE11 throws an exception on xhr.open if attempting to access an HTTP resource over HTTPS\n this.callbacks.onError({ code: xhr.status, text: e.message }, context, xhr);\n return;\n }\n\n if (context.rangeEnd) {\n xhr.setRequestHeader('Range', 'bytes=' + context.rangeStart + '-' + (context.rangeEnd - 1));\n }\n\n xhr.onreadystatechange = this.readystatechange.bind(this);\n xhr.onprogress = this.loadprogress.bind(this);\n xhr.responseType = context.responseType;\n\n // setup timeout before we perform request\n this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), this.config.timeout);\n xhr.send();\n }\n\n readystatechange (event) {\n let xhr = event.currentTarget,\n readyState = xhr.readyState,\n stats = this.stats,\n context = this.context,\n config = this.config;\n\n // don't proceed if xhr has been aborted\n if (stats.aborted) {\n return;\n }\n\n // >= HEADERS_RECEIVED\n if (readyState >= 2) {\n // clear xhr timeout and rearm it if readyState less than 4\n window.clearTimeout(this.requestTimeout);\n if (stats.tfirst === 0) {\n stats.tfirst = Math.max(performance.now(), stats.trequest);\n }\n\n if (readyState === 4) {\n let status = xhr.status;\n // http status between 200 to 299 are all successful\n if (status >= 200 && status < 300) {\n stats.tload = Math.max(stats.tfirst, performance.now());\n let data, len;\n if (context.responseType === 'arraybuffer') {\n data = xhr.response;\n len = data.byteLength;\n } else {\n data = xhr.responseText;\n len = data.length;\n }\n stats.loaded = stats.total = len;\n let response = { url: xhr.responseURL, data: data };\n this.callbacks.onSuccess(response, stats, context, xhr);\n } else {\n // if max nb of retries reached or if http status between 400 and 499 (such error cannot be recovered, retrying is useless), return error\n if (stats.retry >= config.maxRetry) {\n logger.error(`${status} while loading ${context.url}`);\n this.callbacks.onError({ code: status, text: xhr.statusText }, context, xhr);\n } else {\n // retry\n logger.warn(`${status} while loading ${context.url}, retrying in ${this.retryDelay}...`);\n // aborts and resets internal state\n this.destroy();\n // schedule retry\n this.retryTimeout = window.setTimeout(this.loadInternal.bind(this), this.retryDelay);\n // set exponential backoff\n this.retryDelay = Math.min(2 * this.retryDelay, config.maxRetryDelay);\n stats.retry++;\n }\n }\n } else {\n // readyState >= 2 AND readyState !==4 (readyState = HEADERS_RECEIVED || LOADING) rearm timeout as xhr not finished yet\n this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), config.timeout);\n }\n }\n }\n\n loadtimeout () {\n logger.warn(`timeout while loading ${this.context.url}`);\n this.callbacks.onTimeout(this.stats, this.context, null);\n }\n\n loadprogress (event) {\n let xhr = event.currentTarget,\n stats = this.stats;\n\n stats.loaded = event.loaded;\n if (event.lengthComputable) {\n stats.total = event.total;\n }\n\n let onProgress = this.callbacks.onProgress;\n if (onProgress) {\n // third arg is to provide on progress data\n onProgress(stats, this.context, null, xhr);\n }\n }\n}\n\nexport default XhrLoader;\n","/**\n * @see https://developer.mozilla.org/en-US/docs/Web/API/Navigator/requestMediaKeySystemAccess\n */\nexport enum KeySystems {\n WIDEVINE = 'com.widevine.alpha',\n PLAYREADY = 'com.microsoft.playready',\n}\n\nexport type MediaKeyFunc = (keySystem: KeySystems, supportedConfigurations: MediaKeySystemConfiguration[]) => Promise<MediaKeySystemAccess>;\nconst requestMediaKeySystemAccess = (function (): MediaKeyFunc | null {\n if (typeof window !== 'undefined' && window.navigator && window.navigator.requestMediaKeySystemAccess) {\n return window.navigator.requestMediaKeySystemAccess.bind(window.navigator);\n } else {\n return null;\n }\n})();\n\nexport {\n requestMediaKeySystemAccess\n};\n","/**\n * HLS config\n */\n\nimport AbrController from './controller/abr-controller';\nimport BufferController from './controller/buffer-controller';\nimport CapLevelController from './controller/cap-level-controller';\nimport FPSController from './controller/fps-controller';\nimport XhrLoader from './utils/xhr-loader';\n// import FetchLoader from './utils/fetch-loader';\n\nimport AudioTrackController from './controller/audio-track-controller';\nimport AudioStreamController from './controller/audio-stream-controller';\n\nimport * as Cues from './utils/cues';\nimport TimelineController from './controller/timeline-controller';\nimport SubtitleTrackController from './controller/subtitle-track-controller';\nimport { SubtitleStreamController } from './controller/subtitle-stream-controller';\nimport EMEController from './controller/eme-controller';\nimport { requestMediaKeySystemAccess, MediaKeyFunc } from './utils/mediakeys-helper';\n\ntype ABRControllerConfig = {\n abrEwmaFastLive: number,\n abrEwmaSlowLive: number,\n abrEwmaFastVoD: number,\n abrEwmaSlowVoD: number,\n abrEwmaDefaultEstimate: number,\n abrBandWidthFactor: number,\n abrBandWidthUpFactor: number,\n abrMaxWithRealBitrate: boolean,\n maxStarvationDelay: number,\n maxLoadingDelay: number,\n};\n\nexport type BufferControllerConfig = {\n appendErrorMaxRetry: number,\n liveDurationInfinity: boolean,\n liveBackBufferLength: number,\n};\n\ntype CapLevelControllerConfig = {\n capLevelToPlayerSize: boolean\n};\n\nexport type EMEControllerConfig = {\n licenseXhrSetup?: (xhr: XMLHttpRequest, url: string) => void,\n emeEnabled: boolean,\n widevineLicenseUrl?: string,\n requestMediaKeySystemAccessFunc: MediaKeyFunc | null,\n};\n\ntype FragmentLoaderConfig = {\n fLoader: any, // TODO(typescript-loader): Once Loader is typed fill this in\n\n fragLoadingTimeOut: number,\n fragLoadingMaxRetry: number,\n fragLoadingRetryDelay: number,\n fragLoadingMaxRetryTimeout: number,\n};\n\ntype FPSControllerConfig = {\n capLevelOnFPSDrop: boolean,\n fpsDroppedMonitoringPeriod: number,\n fpsDroppedMonitoringThreshold: number,\n};\n\ntype LevelControllerConfig = {\n startLevel?: number\n};\n\ntype MP4RemuxerConfig = {\n stretchShortVideoTrack: boolean,\n maxAudioFramesDrift: number,\n};\n\ntype PlaylistLoaderConfig = {\n pLoader: any, // TODO(typescript-loader): Once Loader is typed fill this in\n\n manifestLoadingTimeOut: number,\n manifestLoadingMaxRetry: number,\n manifestLoadingRetryDelay: number,\n manifestLoadingMaxRetryTimeout: number,\n\n levelLoadingTimeOut: number,\n levelLoadingMaxRetry: number,\n levelLoadingRetryDelay: number,\n levelLoadingMaxRetryTimeout: number\n};\n\ntype StreamControllerConfig = {\n autoStartLoad: boolean,\n startPosition: number,\n defaultAudioCodec?: string,\n initialLiveManifestSize: number,\n maxBufferLength: number,\n maxBufferSize: number,\n maxBufferHole: number,\n\n lowBufferWatchdogPeriod: number,\n highBufferWatchdogPeriod: number,\n nudgeOffset: number,\n nudgeMaxRetry: number,\n maxFragLookUpTolerance: number,\n liveSyncDurationCount: number,\n liveMaxLatencyDurationCount: number,\n liveSyncDuration?: number,\n liveMaxLatencyDuration?: number,\n maxMaxBufferLength: number,\n\n startFragPrefetch: boolean,\n};\n\ntype TimelineControllerConfig = {\n cueHandler: any, // TODO(typescript-cues): Type once file is done\n enableCEA708Captions: boolean,\n enableWebVTT: boolean,\n captionsTextTrack1Label: string,\n captionsTextTrack1LanguageCode: string,\n captionsTextTrack2Label: string,\n captionsTextTrack2LanguageCode: string,\n};\n\ntype TSDemuxerConfig = {\n forceKeyFrameOnDiscontinuity: boolean,\n};\n\nexport type HlsConfig =\n {\n debug: boolean,\n enableWorker: boolean,\n enableSoftwareAES: boolean,\n minAutoBitrate: number,\n loader: any, // TODO(typescript-xhrloader): Type once XHR is done\n xhrSetup?: (xhr: XMLHttpRequest, url: string) => void,\n\n // Alt Audio\n audioStreamController?: any, // TODO(typescript-audiostreamcontroller): Type once file is done\n audioTrackController?: any, // TODO(typescript-audiotrackcontroller): Type once file is done\n // Subtitle\n subtitleStreamController?: any, // TODO(typescript-subtitlestreamcontroller): Type once file is done\n subtitleTrackController?: any, // TODO(typescript-subtitletrackcontroller): Type once file is done\n timelineController?: any, // TODO(typescript-timelinecontroller): Type once file is done\n // EME\n emeController?: typeof EMEController,\n\n abrController: any, // TODO(typescript-abrcontroller): Type once file is done\n bufferController: typeof BufferController,\n capLevelController: any, // TODO(typescript-caplevelcontroller): Type once file is done\n fpsController: any, // TODO(typescript-fpscontroller): Type once file is done\n } &\n ABRControllerConfig &\n BufferControllerConfig &\n CapLevelControllerConfig &\n EMEControllerConfig &\n FPSControllerConfig &\n FragmentLoaderConfig &\n LevelControllerConfig &\n MP4RemuxerConfig &\n PlaylistLoaderConfig &\n StreamControllerConfig &\n Partial<TimelineControllerConfig> &\n TSDemuxerConfig;\n\n// If possible, keep hlsDefaultConfig shallow\n// It is cloned whenever a new Hls instance is created, by keeping the config\n// shallow the properties are cloned, and we don't end up manipulating the default\nexport const hlsDefaultConfig: HlsConfig = {\n autoStartLoad: true, // used by stream-controller\n startPosition: -1, // used by stream-controller\n defaultAudioCodec: void 0, // used by stream-controller\n debug: false, // used by logger\n capLevelOnFPSDrop: false, // used by fps-controller\n capLevelToPlayerSize: false, // used by cap-level-controller\n initialLiveManifestSize: 1, // used by stream-controller\n maxBufferLength: 30, // used by stream-controller\n maxBufferSize: 60 * 1000 * 1000, // used by stream-controller\n maxBufferHole: 0.5, // used by stream-controller\n\n lowBufferWatchdogPeriod: 0.5, // used by stream-controller\n highBufferWatchdogPeriod: 3, // used by stream-controller\n nudgeOffset: 0.1, // used by stream-controller\n nudgeMaxRetry: 3, // used by stream-controller\n maxFragLookUpTolerance: 0.25, // used by stream-controller\n liveSyncDurationCount: 3, // used by stream-controller\n liveMaxLatencyDurationCount: Infinity, // used by stream-controller\n liveSyncDuration: void 0, // used by stream-controller\n liveMaxLatencyDuration: void 0, // used by stream-controller\n liveDurationInfinity: false, // used by buffer-controller\n liveBackBufferLength: Infinity, // used by buffer-controller\n maxMaxBufferLength: 600, // used by stream-controller\n enableWorker: true, // used by demuxer\n enableSoftwareAES: true, // used by decrypter\n manifestLoadingTimeOut: 10000, // used by playlist-loader\n manifestLoadingMaxRetry: 1, // used by playlist-loader\n manifestLoadingRetryDelay: 1000, // used by playlist-loader\n manifestLoadingMaxRetryTimeout: 64000, // used by playlist-loader\n startLevel: void 0, // used by level-controller\n levelLoadingTimeOut: 10000, // used by playlist-loader\n levelLoadingMaxRetry: 4, // used by playlist-loader\n levelLoadingRetryDelay: 1000, // used by playlist-loader\n levelLoadingMaxRetryTimeout: 64000, // used by playlist-loader\n fragLoadingTimeOut: 20000, // used by fragment-loader\n fragLoadingMaxRetry: 6, // used by fragment-loader\n fragLoadingRetryDelay: 1000, // used by fragment-loader\n fragLoadingMaxRetryTimeout: 64000, // used by fragment-loader\n startFragPrefetch: false, // used by stream-controller\n fpsDroppedMonitoringPeriod: 5000, // used by fps-controller\n fpsDroppedMonitoringThreshold: 0.2, // used by fps-controller\n appendErrorMaxRetry: 3, // used by buffer-controller\n loader: XhrLoader,\n // loader: FetchLoader,\n fLoader: void 0, // used by fragment-loader\n pLoader: void 0, // used by playlist-loader\n xhrSetup: void 0, // used by xhr-loader\n licenseXhrSetup: void 0, // used by eme-controller\n // fetchSetup: void 0,\n abrController: AbrController,\n bufferController: BufferController,\n capLevelController: CapLevelController,\n fpsController: FPSController,\n stretchShortVideoTrack: false, // used by mp4-remuxer\n maxAudioFramesDrift: 1, // used by mp4-remuxer\n forceKeyFrameOnDiscontinuity: true, // used by ts-demuxer\n abrEwmaFastLive: 3, // used by abr-controller\n abrEwmaSlowLive: 9, // used by abr-controller\n abrEwmaFastVoD: 3, // used by abr-controller\n abrEwmaSlowVoD: 9, // used by abr-controller\n abrEwmaDefaultEstimate: 5e5, // 500 kbps // used by abr-controller\n abrBandWidthFactor: 0.95, // used by abr-controller\n abrBandWidthUpFactor: 0.7, // used by abr-controller\n abrMaxWithRealBitrate: false, // used by abr-controller\n maxStarvationDelay: 4, // used by abr-controller\n maxLoadingDelay: 4, // used by abr-controller\n minAutoBitrate: 0, // used by hls\n emeEnabled: false, // used by eme-controller\n widevineLicenseUrl: void 0, // used by eme-controller\n requestMediaKeySystemAccessFunc: requestMediaKeySystemAccess, // used by eme-controller\n\n // Dynamic Modules\n ...timelineConfig(),\n subtitleStreamController: (__USE_SUBTITLES__) ? SubtitleStreamController : void 0,\n subtitleTrackController: (__USE_SUBTITLES__) ? SubtitleTrackController : void 0,\n timelineController: (__USE_SUBTITLES__) ? TimelineController : void 0,\n audioStreamController: (__USE_ALT_AUDIO__) ? AudioStreamController : void 0,\n audioTrackController: (__USE_ALT_AUDIO__) ? AudioTrackController : void 0,\n emeController: (__USE_EME_DRM__) ? EMEController : void 0\n};\n\nfunction timelineConfig (): TimelineControllerConfig {\n if (!__USE_SUBTITLES__) {\n // intentionally doing this over returning Partial<TimelineControllerConfig> above\n // this has the added nice property of still requiring the object below to completely define all props.\n return {} as any;\n }\n return {\n cueHandler: Cues, // used by timeline-controller\n enableCEA708Captions: true, // used by timeline-controller\n enableWebVTT: true, // used by timeline-controller\n captionsTextTrack1Label: 'English', // used by timeline-controller\n captionsTextTrack1LanguageCode: 'en', // used by timeline-controller\n captionsTextTrack2Label: 'Spanish', // used by timeline-controller\n captionsTextTrack2LanguageCode: 'es' // used by timeline-controller\n };\n}\n","import * as URLToolkit from 'url-toolkit';\n\nimport {\n ErrorTypes,\n ErrorDetails\n} from './errors';\n\nimport PlaylistLoader from './loader/playlist-loader';\nimport FragmentLoader from './loader/fragment-loader';\nimport KeyLoader from './loader/key-loader';\n\nimport { FragmentTracker } from './controller/fragment-tracker';\nimport StreamController from './controller/stream-controller';\nimport LevelController from './controller/level-controller';\nimport ID3TrackController from './controller/id3-track-controller';\n\nimport { isSupported } from './is-supported';\nimport { logger, enableLogs } from './utils/logger';\nimport { hlsDefaultConfig, HlsConfig } from './config';\n\nimport HlsEvents from './events';\n\nimport { Observer } from './observer';\n\n/**\n * @module Hls\n * @class\n * @constructor\n */\nexport default class Hls extends Observer {\n public static defaultConfig?: HlsConfig;\n public config: HlsConfig;\n\n private _autoLevelCapping: number;\n private abrController: any;\n private capLevelController: any;\n private levelController: any;\n private streamController: any;\n private networkControllers: any[];\n private audioTrackController: any;\n private subtitleTrackController: any;\n private emeController: any;\n private coreComponents: any[];\n private media: HTMLMediaElement | null = null;\n private url: string | null = null;\n\n /**\n * @type {string}\n */\n static get version (): string {\n return __VERSION__;\n }\n\n /**\n * @type {boolean}\n */\n static isSupported (): boolean {\n return isSupported();\n }\n\n /**\n * @type {HlsEvents}\n */\n static get Events () {\n return HlsEvents;\n }\n\n /**\n * @type {HlsErrorTypes}\n */\n static get ErrorTypes () {\n return ErrorTypes;\n }\n\n /**\n * @type {HlsErrorDetails}\n */\n static get ErrorDetails () {\n return ErrorDetails;\n }\n\n /**\n * @type {HlsConfig}\n */\n static get DefaultConfig (): HlsConfig {\n if (!Hls.defaultConfig) {\n return hlsDefaultConfig;\n }\n\n return Hls.defaultConfig;\n }\n\n /**\n * @type {HlsConfig}\n */\n static set DefaultConfig (defaultConfig: HlsConfig) {\n Hls.defaultConfig = defaultConfig;\n }\n\n /**\n * Creates an instance of an HLS client that can attach to exactly one `HTMLMediaElement`.\n *\n * @constructs Hls\n * @param {HlsConfig} config\n */\n constructor (userConfig: Partial<HlsConfig> = {}) {\n super();\n\n const defaultConfig = Hls.DefaultConfig;\n\n if ((userConfig.liveSyncDurationCount || userConfig.liveMaxLatencyDurationCount) && (userConfig.liveSyncDuration || userConfig.liveMaxLatencyDuration)) {\n throw new Error('Illegal hls.js config: don\\'t mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration');\n }\n\n // Shallow clone\n this.config = {\n ...defaultConfig,\n ...userConfig\n };\n\n const { config } = this;\n\n if (config.liveMaxLatencyDurationCount !== void 0 && config.liveMaxLatencyDurationCount <= config.liveSyncDurationCount) {\n throw new Error('Illegal hls.js config: \"liveMaxLatencyDurationCount\" must be gt \"liveSyncDurationCount\"');\n }\n\n if (config.liveMaxLatencyDuration !== void 0 && (config.liveSyncDuration === void 0 || config.liveMaxLatencyDuration <= config.liveSyncDuration)) {\n throw new Error('Illegal hls.js config: \"liveMaxLatencyDuration\" must be gt \"liveSyncDuration\"');\n }\n\n enableLogs(config.debug);\n\n this._autoLevelCapping = -1;\n\n // core controllers and network loaders\n\n /**\n * @member {AbrController} abrController\n */\n const abrController = this.abrController = new config.abrController(this); // eslint-disable-line new-cap\n const bufferController = new config.bufferController(this); // eslint-disable-line new-cap\n const capLevelController = this.capLevelController = new config.capLevelController(this); // eslint-disable-line new-cap\n const fpsController = new config.fpsController(this); // eslint-disable-line new-cap\n const playListLoader = new PlaylistLoader(this);\n const fragmentLoader = new FragmentLoader(this);\n const keyLoader = new KeyLoader(this);\n const id3TrackController = new ID3TrackController(this);\n\n // network controllers\n\n /**\n * @member {LevelController} levelController\n */\n const levelController = this.levelController = new LevelController(this);\n\n // FIXME: FragmentTracker must be defined before StreamController because the order of event handling is important\n const fragmentTracker = new FragmentTracker(this);\n\n /**\n * @member {StreamController} streamController\n */\n const streamController = this.streamController = new StreamController(this, fragmentTracker);\n\n let networkControllers = [levelController, streamController];\n\n // optional audio stream controller\n /**\n * @var {ICoreComponent | Controller}\n */\n let Controller = config.audioStreamController;\n if (Controller) {\n networkControllers.push(new Controller(this, fragmentTracker));\n }\n\n /**\n * @member {INetworkController[]} networkControllers\n */\n this.networkControllers = networkControllers;\n\n /**\n * @var {ICoreComponent[]}\n */\n const coreComponents = [\n playListLoader,\n fragmentLoader,\n keyLoader,\n abrController,\n bufferController,\n capLevelController,\n fpsController,\n id3TrackController,\n fragmentTracker\n ];\n\n // optional audio track and subtitle controller\n Controller = config.audioTrackController;\n if (Controller) {\n const audioTrackController = new Controller(this);\n\n /**\n * @member {AudioTrackController} audioTrackController\n */\n this.audioTrackController = audioTrackController;\n coreComponents.push(audioTrackController);\n }\n\n Controller = config.subtitleTrackController;\n if (Controller) {\n const subtitleTrackController = new Controller(this);\n\n /**\n * @member {SubtitleTrackController} subtitleTrackController\n */\n this.subtitleTrackController = subtitleTrackController;\n networkControllers.push(subtitleTrackController);\n }\n\n Controller = config.emeController;\n if (Controller) {\n const emeController = new Controller(this);\n\n /**\n * @member {EMEController} emeController\n */\n this.emeController = emeController;\n coreComponents.push(emeController);\n }\n\n // optional subtitle controllers\n Controller = config.subtitleStreamController;\n if (Controller) {\n networkControllers.push(new Controller(this, fragmentTracker));\n }\n Controller = config.timelineController;\n if (Controller) {\n coreComponents.push(new Controller(this));\n }\n\n /**\n * @member {ICoreComponent[]}\n */\n this.coreComponents = coreComponents;\n }\n\n /**\n * Dispose of the instance\n */\n destroy () {\n logger.log('destroy');\n this.trigger(HlsEvents.DESTROYING);\n this.detachMedia();\n this.coreComponents.concat(this.networkControllers).forEach(component => {\n component.destroy();\n });\n this.url = null;\n this.removeAllListeners();\n this._autoLevelCapping = -1;\n }\n\n /**\n * Attach a media element\n * @param {HTMLMediaElement} media\n */\n attachMedia (media: HTMLMediaElement) {\n logger.log('attachMedia');\n this.media = media;\n this.trigger(HlsEvents.MEDIA_ATTACHING, { media: media });\n }\n\n /**\n * Detach from the media\n */\n detachMedia () {\n logger.log('detachMedia');\n this.trigger(HlsEvents.MEDIA_DETACHING);\n this.media = null;\n }\n\n /**\n * Set the source URL. Can be relative or absolute.\n * @param {string} url\n */\n loadSource (url: string) {\n url = URLToolkit.buildAbsoluteURL(window.location.href, url, { alwaysNormalize: true });\n logger.log(`loadSource:${url}`);\n this.url = url;\n // when attaching to a source URL, trigger a playlist load\n this.trigger(HlsEvents.MANIFEST_LOADING, { url: url });\n }\n\n /**\n * Start loading data from the stream source.\n * Depending on default config, client starts loading automatically when a source is set.\n *\n * @param {number} startPosition Set the start position to stream from\n * @default -1 None (from earliest point)\n */\n startLoad (startPosition: number = -1) {\n logger.log(`startLoad(${startPosition})`);\n this.networkControllers.forEach(controller => {\n controller.startLoad(startPosition);\n });\n }\n\n /**\n * Stop loading of any stream data.\n */\n stopLoad () {\n logger.log('stopLoad');\n this.networkControllers.forEach(controller => {\n controller.stopLoad();\n });\n }\n\n /**\n * Swap through possible audio codecs in the stream (for example to switch from stereo to 5.1)\n */\n swapAudioCodec () {\n logger.log('swapAudioCodec');\n this.streamController.swapAudioCodec();\n }\n\n /**\n * When the media-element fails, this allows to detach and then re-attach it\n * as one call (convenience method).\n *\n * Automatic recovery of media-errors by this process is configurable.\n */\n recoverMediaError () {\n logger.log('recoverMediaError');\n let media = this.media;\n this.detachMedia();\n if (media) {\n this.attachMedia(media);\n }\n }\n\n /**\n * @type {QualityLevel[]}\n */\n // todo(typescript-levelController)\n get levels (): any[] {\n return this.levelController.levels;\n }\n\n /**\n * Index of quality level currently played\n * @type {number}\n */\n get currentLevel (): number {\n return this.streamController.currentLevel;\n }\n\n /**\n * Set quality level index immediately .\n * This will flush the current buffer to replace the quality asap.\n * That means playback will interrupt at least shortly to re-buffer and re-sync eventually.\n * @type {number} -1 for automatic level selection\n */\n set currentLevel (newLevel: number) {\n logger.log(`set currentLevel:${newLevel}`);\n this.loadLevel = newLevel;\n this.streamController.immediateLevelSwitch();\n }\n\n /**\n * Index of next quality level loaded as scheduled by stream controller.\n * @type {number}\n */\n get nextLevel (): number {\n return this.streamController.nextLevel;\n }\n\n /**\n * Set quality level index for next loaded data.\n * This will switch the video quality asap, without interrupting playback.\n * May abort current loading of data, and flush parts of buffer (outside currently played fragment region).\n * @type {number} -1 for automatic level selection\n */\n set nextLevel (newLevel: number) {\n logger.log(`set nextLevel:${newLevel}`);\n this.levelController.manualLevel = newLevel;\n this.streamController.nextLevelSwitch();\n }\n\n /**\n * Return the quality level of the currently or last (of none is loaded currently) segment\n * @type {number}\n */\n get loadLevel (): number {\n return this.levelController.level;\n }\n\n /**\n * Set quality level index for next loaded data in a conservative way.\n * This will switch the quality without flushing, but interrupt current loading.\n * Thus the moment when the quality switch will appear in effect will only be after the already existing buffer.\n * @type {number} newLevel -1 for automatic level selection\n */\n set loadLevel (newLevel: number) {\n logger.log(`set loadLevel:${newLevel}`);\n this.levelController.manualLevel = newLevel;\n }\n\n /**\n * get next quality level loaded\n * @type {number}\n */\n get nextLoadLevel (): number {\n return this.levelController.nextLoadLevel;\n }\n\n /**\n * Set quality level of next loaded segment in a fully \"non-destructive\" way.\n * Same as `loadLevel` but will wait for next switch (until current loading is done).\n * @type {number} level\n */\n set nextLoadLevel (level: number) {\n this.levelController.nextLoadLevel = level;\n }\n\n /**\n * Return \"first level\": like a default level, if not set,\n * falls back to index of first level referenced in manifest\n * @type {number}\n */\n get firstLevel (): number {\n return Math.max(this.levelController.firstLevel, this.minAutoLevel);\n }\n\n /**\n * Sets \"first-level\", see getter.\n * @type {number}\n */\n set firstLevel (newLevel: number) {\n logger.log(`set firstLevel:${newLevel}`);\n this.levelController.firstLevel = newLevel;\n }\n\n /**\n * Return start level (level of first fragment that will be played back)\n * if not overrided by user, first level appearing in manifest will be used as start level\n * if -1 : automatic start level selection, playback will start from level matching download bandwidth\n * (determined from download of first segment)\n * @type {number}\n */\n get startLevel (): number {\n return this.levelController.startLevel;\n }\n\n /**\n * set start level (level of first fragment that will be played back)\n * if not overrided by user, first level appearing in manifest will be used as start level\n * if -1 : automatic start level selection, playback will start from level matching download bandwidth\n * (determined from download of first segment)\n * @type {number} newLevel\n */\n set startLevel (newLevel: number) {\n logger.log(`set startLevel:${newLevel}`);\n // if not in automatic start level detection, ensure startLevel is greater than minAutoLevel\n if (newLevel !== -1) {\n newLevel = Math.max(newLevel, this.minAutoLevel);\n }\n\n this.levelController.startLevel = newLevel;\n }\n\n /**\n * set dynamically set capLevelToPlayerSize against (`CapLevelController`)\n *\n * @type {boolean}\n */\n set capLevelToPlayerSize (shouldStartCapping: boolean) {\n const newCapLevelToPlayerSize = !!shouldStartCapping;\n\n if (newCapLevelToPlayerSize !== this.config.capLevelToPlayerSize) {\n if (newCapLevelToPlayerSize) {\n this.capLevelController.startCapping(); // If capping occurs, nextLevelSwitch will happen based on size.\n } else {\n this.capLevelController.stopCapping();\n this.autoLevelCapping = -1;\n this.streamController.nextLevelSwitch(); // Now we're uncapped, get the next level asap.\n }\n\n this.config.capLevelToPlayerSize = newCapLevelToPlayerSize;\n }\n }\n\n /**\n * Capping/max level value that should be used by automatic level selection algorithm (`ABRController`)\n * @type {number}\n */\n get autoLevelCapping (): number {\n return this._autoLevelCapping;\n }\n\n /**\n * get bandwidth estimate\n * @type {number}\n */\n get bandwidthEstimate (): number {\n const bwEstimator = this.abrController._bwEstimator;\n return bwEstimator ? bwEstimator.getEstimate() : NaN;\n }\n\n /**\n * Capping/max level value that should be used by automatic level selection algorithm (`ABRController`)\n * @type {number}\n */\n set autoLevelCapping (newLevel: number) {\n logger.log(`set autoLevelCapping:${newLevel}`);\n this._autoLevelCapping = newLevel;\n }\n\n /**\n * True when automatic level selection enabled\n * @type {boolean}\n */\n get autoLevelEnabled (): boolean {\n return (this.levelController.manualLevel === -1);\n }\n\n /**\n * Level set manually (if any)\n * @type {number}\n */\n get manualLevel (): number {\n return this.levelController.manualLevel;\n }\n\n /**\n * min level selectable in auto mode according to config.minAutoBitrate\n * @type {number}\n */\n get minAutoLevel (): number {\n const { levels, config: { minAutoBitrate } } = this;\n const len = levels ? levels.length : 0;\n\n for (let i = 0; i < len; i++) {\n const levelNextBitrate = levels[i].realBitrate\n ? Math.max(levels[i].realBitrate, levels[i].bitrate)\n : levels[i].bitrate;\n\n if (levelNextBitrate > minAutoBitrate) {\n return i;\n }\n }\n\n return 0;\n }\n\n /**\n * max level selectable in auto mode according to autoLevelCapping\n * @type {number}\n */\n get maxAutoLevel (): number {\n const { levels, autoLevelCapping } = this;\n\n let maxAutoLevel;\n if (autoLevelCapping === -1 && levels && levels.length) {\n maxAutoLevel = levels.length - 1;\n } else {\n maxAutoLevel = autoLevelCapping;\n }\n\n return maxAutoLevel;\n }\n\n /**\n * next automatically selected quality level\n * @type {number}\n */\n get nextAutoLevel (): number {\n // ensure next auto level is between min and max auto level\n return Math.min(Math.max(this.abrController.nextAutoLevel, this.minAutoLevel), this.maxAutoLevel);\n }\n\n /**\n * this setter is used to force next auto level.\n * this is useful to force a switch down in auto mode:\n * in case of load error on level N, hls.js can set nextAutoLevel to N-1 for example)\n * forced value is valid for one fragment. upon succesful frag loading at forced level,\n * this value will be resetted to -1 by ABR controller.\n * @type {number}\n */\n set nextAutoLevel (nextLevel: number) {\n this.abrController.nextAutoLevel = Math.max(this.minAutoLevel, nextLevel);\n }\n\n /**\n * @type {AudioTrack[]}\n */\n // todo(typescript-audioTrackController)\n get audioTracks (): any[] {\n const audioTrackController = this.audioTrackController;\n return audioTrackController ? audioTrackController.audioTracks : [];\n }\n\n /**\n * index of the selected audio track (index in audio track lists)\n * @type {number}\n */\n get audioTrack (): number {\n const audioTrackController = this.audioTrackController;\n return audioTrackController ? audioTrackController.audioTrack : -1;\n }\n\n /**\n * selects an audio track, based on its index in audio track lists\n * @type {number}\n */\n set audioTrack (audioTrackId: number) {\n const audioTrackController = this.audioTrackController;\n if (audioTrackController) {\n audioTrackController.audioTrack = audioTrackId;\n }\n }\n\n /**\n * @type {Seconds}\n */\n get liveSyncPosition (): number {\n return this.streamController.liveSyncPosition;\n }\n\n /**\n * get alternate subtitle tracks list from playlist\n * @type {SubtitleTrack[]}\n */\n // todo(typescript-subtitleTrackController)\n get subtitleTracks (): any[] {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleTracks : [];\n }\n\n /**\n * index of the selected subtitle track (index in subtitle track lists)\n * @type {number}\n */\n get subtitleTrack (): number {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleTrack : -1;\n }\n\n /**\n * select an subtitle track, based on its index in subtitle track lists\n * @type {number}\n */\n set subtitleTrack (subtitleTrackId: number) {\n const subtitleTrackController = this.subtitleTrackController;\n if (subtitleTrackController) {\n subtitleTrackController.subtitleTrack = subtitleTrackId;\n }\n }\n\n /**\n * @type {boolean}\n */\n get subtitleDisplay (): boolean {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleDisplay : false;\n }\n\n /**\n * Enable/disable subtitle display rendering\n * @type {boolean}\n */\n set subtitleDisplay (value: boolean) {\n const subtitleTrackController = this.subtitleTrackController;\n if (subtitleTrackController) {\n subtitleTrackController.subtitleDisplay = value;\n }\n }\n}\n","export const isFiniteNumber = Number.isFinite || function (value) {\n return typeof value === 'number' && isFinite(value);\n};\n","export function getSelfScope () {\n // see https://stackoverflow.com/a/11237259/589493\n if (typeof window === 'undefined') {\n /* eslint-disable-next-line no-undef */\n return self;\n } else {\n return window;\n }\n}\n","import { getSelfScope } from './get-self-scope';\n\nfunction noop (...args) {}\n\nconst fakeLogger = {\n trace: noop,\n debug: noop,\n log: noop,\n warn: noop,\n info: noop,\n error: noop\n};\n\nlet exportedLogger = fakeLogger;\n\n// let lastCallTime;\n// function formatMsgWithTimeInfo(type, msg) {\n// const now = Date.now();\n// const diff = lastCallTime ? '+' + (now - lastCallTime) : '0';\n// lastCallTime = now;\n// msg = (new Date(now)).toISOString() + ' | [' + type + '] > ' + msg + ' ( ' + diff + ' ms )';\n// return msg;\n// }\n\nfunction formatMsg (type, msg) {\n msg = '[' + type + '] > ' + msg;\n return msg;\n}\n\nconst global = getSelfScope();\n\nfunction consolePrintFn (type) {\n const func = global.console[type];\n if (func) {\n return function (...args) {\n if (args[0]) {\n args[0] = formatMsg(type, args[0]);\n }\n\n func.apply(global.console, args);\n };\n }\n return noop;\n}\n\nfunction exportLoggerFunctions (debugConfig, ...functions) {\n functions.forEach(function (type) {\n exportedLogger[type] = debugConfig[type] ? debugConfig[type].bind(debugConfig) : consolePrintFn(type);\n });\n}\n\nexport const enableLogs = function (debugConfig) {\n // check that console is available\n if ((global.console && debugConfig === true) || typeof debugConfig === 'object') {\n exportLoggerFunctions(debugConfig,\n // Remove out from list here to hard-disable a log-level\n // 'trace',\n 'debug',\n 'log',\n 'info',\n 'warn',\n 'error'\n );\n // Some browsers don't allow to use bind on console object anyway\n // fallback to default if needed\n try {\n exportedLogger.log();\n } catch (e) {\n exportedLogger = fakeLogger;\n }\n } else {\n exportedLogger = fakeLogger;\n }\n};\n\nexport const logger = exportedLogger;\n"],"sourceRoot":""} \ No newline at end of file +{"version":3,"sources":["webpack://Hls/webpack/universalModuleDefinition","webpack://Hls/webpack/bootstrap","webpack://Hls/./node_modules/eventemitter3/index.js","webpack://Hls/./node_modules/url-toolkit/src/url-toolkit.js","webpack://Hls/./node_modules/webworkify-webpack/index.js","webpack://Hls/./src/crypt/aes-crypto.js","webpack://Hls/./src/crypt/fast-aes-key.js","webpack://Hls/./src/crypt/aes-decryptor.js","webpack://Hls/./src/crypt/decrypter.js","webpack://Hls/./src/demux/adts.js","webpack://Hls/./src/demux/aacdemuxer.js","webpack://Hls/./src/demux/mpegaudio.js","webpack://Hls/./src/demux/exp-golomb.js","webpack://Hls/./src/demux/sample-aes.js","webpack://Hls/./src/demux/tsdemuxer.js","webpack://Hls/./src/demux/mp3demuxer.js","webpack://Hls/./src/remux/aac-helper.js","webpack://Hls/./src/remux/mp4-generator.js","webpack://Hls/./src/utils/timescale-conversion.ts","webpack://Hls/./src/remux/mp4-remuxer.js","webpack://Hls/./src/remux/passthrough-remuxer.js","webpack://Hls/./src/demux/demuxer-inline.js","webpack://Hls/./src/demux/demuxer-worker.js","webpack://Hls/./src/demux/id3.js","webpack://Hls/./src/demux/mp4demuxer.js","webpack://Hls/./src/empty.js","webpack://Hls/./src/errors.ts","webpack://Hls/./src/events.js","webpack://Hls/./src/event-handler.ts","webpack://Hls/./src/types/loader.ts","webpack://Hls/./src/loader/level-key.ts","webpack://Hls/./src/loader/fragment.ts","webpack://Hls/./src/loader/level.js","webpack://Hls/./src/utils/attr-list.js","webpack://Hls/./src/utils/codecs.ts","webpack://Hls/./src/loader/m3u8-parser.ts","webpack://Hls/./src/loader/playlist-loader.ts","webpack://Hls/./src/loader/fragment-loader.js","webpack://Hls/./src/loader/key-loader.ts","webpack://Hls/./src/controller/fragment-tracker.js","webpack://Hls/./src/utils/binary-search.ts","webpack://Hls/./src/utils/buffer-helper.ts","webpack://Hls/./src/utils/mediasource-helper.ts","webpack://Hls/./src/observer.ts","webpack://Hls/./src/demux/demuxer.js","webpack://Hls/./src/controller/level-helper.js","webpack://Hls/./src/utils/time-ranges.ts","webpack://Hls/./src/utils/discontinuities.js","webpack://Hls/./src/controller/fragment-finders.ts","webpack://Hls/./src/controller/gap-controller.js","webpack://Hls/./src/task-loop.ts","webpack://Hls/./src/controller/base-stream-controller.js","webpack://Hls/./src/controller/stream-controller.js","webpack://Hls/./src/controller/level-controller.js","webpack://Hls/./src/utils/texttrack-utils.ts","webpack://Hls/./src/controller/id3-track-controller.js","webpack://Hls/./src/is-supported.ts","webpack://Hls/./src/utils/ewma.ts","webpack://Hls/./src/utils/ewma-bandwidth-estimator.ts","webpack://Hls/./src/controller/abr-controller.js","webpack://Hls/./src/controller/buffer-controller.ts","webpack://Hls/./src/controller/cap-level-controller.js","webpack://Hls/./src/controller/fps-controller.js","webpack://Hls/./src/utils/xhr-loader.js","webpack://Hls/./src/utils/mediakeys-helper.ts","webpack://Hls/./src/config.ts","webpack://Hls/./src/hls.ts","webpack://Hls/./src/polyfills/number-isFinite.js","webpack://Hls/./src/utils/get-self-scope.js","webpack://Hls/./src/utils/logger.js"],"names":["AESCrypto","subtle","iv","aesIV","decrypt","data","key","name","FastAESKey","expandKey","importKey","removePadding","buffer","outputBytes","byteLength","paddingBytes","DataView","getUint8","slice","AESDecryptor","rcon","subMix","Uint32Array","invSubMix","sBox","invSBox","initTable","uint8ArrayToUint32Array_","arrayBuffer","view","newArray","i","getUint32","subMix0","subMix1","subMix2","subMix3","invSubMix0","invSubMix1","invSubMix2","invSubMix3","d","x","xi","sx","x2","x4","x8","t","keyBuffer","sameKey","offset","length","keySize","Error","ksRows","ksRow","invKsRow","keySchedule","invKeySchedule","sbox","prev","networkToHostOrderSwap","word","inputArrayBuffer","removePKCS7Padding","nRounds","invSBOX","initVector","initVector0","initVector1","initVector2","initVector3","inputInt32","Int32Array","outputInt32","t0","t1","t2","t3","s0","s1","s2","s3","inputWords0","inputWords1","inputWords2","inputWords3","swapWord","destroy","undefined","global","getSelfScope","Decrypter","observer","config","logEnabled","browserCrypto","crypto","webkitSubtle","e","disableWebCrypto","isSync","enableSoftwareAES","callback","logger","log","decryptor","fastAesKey","then","aesKey","catch","err","onWebCryptoError","result","error","message","trigger","Event","ERROR","type","ErrorTypes","MEDIA_ERROR","details","ErrorDetails","FRAG_DECRYPT_ERROR","fatal","reason","getAudioConfig","audioCodec","adtsObjectType","adtsSampleingIndex","adtsExtensionSampleingIndex","adtsChanelConfig","userAgent","navigator","toLowerCase","manifestCodec","adtsSampleingRates","FRAG_PARSING_ERROR","test","Array","indexOf","samplerate","channelCount","codec","isHeaderPattern","getHeaderLength","getFullFrameLength","isHeader","probe","headerLength","frameLength","newOffset","initTrackConfig","track","getFrameDuration","parseFrameHeader","pts","frameIndex","frameDuration","stamp","appendFrame","header","aacSample","unit","subarray","dts","samples","push","sample","AACDemuxer","remuxer","resetInitSegment","initSegment","videoCodec","duration","_audioTrack","container","id","sequenceNumber","isAAC","len","inputTimeScale","resetTimeStamp","id3Data","ID3","getID3Data","ADTS","append","timeOffset","contiguous","accurateTimeOffset","timestamp","getTimeStamp","id3Samples","frame","remux","MpegAudio","BitratesMap","SamplingRateMap","SamplesCoefficients","BytesInSlot","parseHeader","samplesPerFrame","sampleRate","headerB","headerC","headerE","headerF","headerG","columnInBitrates","bitRate","columnInSampleRates","sampleCoefficient","bytesInSlot","parseInt","ExpGolomb","bytesAvailable","bitsAvailable","loadWord","position","workingBytes","Uint8Array","availableBytes","Math","min","set","skipBits","count","skipBytes","readBits","size","bits","valu","skipLZ","leadingZeroCount","skipUEG","skipEG","readUEG","clz","readEG","readBoolean","readUByte","readUShort","readUInt","skipScalingList","lastScale","nextScale","j","deltaScale","readSPS","frameCropLeftOffset","frameCropRightOffset","frameCropTopOffset","frameCropBottomOffset","profileIdc","profileCompat","levelIdc","numRefFramesInPicOrderCntCycle","picWidthInMbsMinus1","picHeightInMapUnitsMinus1","frameMbsOnlyFlag","scalingListCount","bind","chromaFormatIdc","picOrderCntType","pixelRatio","aspectRatioIdc","width","ceil","height","readSliceType","SampleAesDecrypter","decryptdata","discardEPB","decrypter","decryptBuffer","encryptedData","decryptAacSample","sampleIndex","sync","curUnit","encryptedBuffer","byteOffset","localthis","decryptedData","decryptAacSamples","getAvcEncryptedData","decodedData","encryptedDataLen","floor","Int8Array","outputPos","inputPos","getAvcDecryptedUnit","decryptAvcSample","unitIndex","decryptAvcSamples","curUnits","units","RemuxerTrackIdConfig","video","audio","id3","text","TSDemuxer","typeSupported","sampleAes","setDecryptData","method","syncOffset","_syncOffset","warn","scanwindow","createTrack","pid","dropped","pmtParsed","_pmtId","_avcTrack","_id3Track","_txtTrack","aacOverFlow","aacLastPTS","avcSample","_duration","start","stt","atf","pes","unknownPIDs","avcTrack","audioTrack","id3Track","avcId","audioId","id3Id","pmtId","avcData","pesData","audioData","parsePAT","_parsePAT","parsePMT","_parsePMT","parsePES","_parsePES","parseAVCPES","_parseAVCPES","parseAACPES","_parseAACPES","parseMPEGPES","_parseMPEGPES","parseID3PES","_parseID3PES","parsedPIDs","mpeg","mp3","avc","decryptAndRemux","videoTrack","textTrack","decryptAndRemuxAvc","_initPTS","_initDTS","mpegSupported","isSampleAes","sectionLength","tableEnd","programInfoLength","stream","frag","pesFlags","pesPrefix","pesLen","pesHdrLen","pesPts","pesDts","payloadStartOffset","newData","splice","round","dataLen","pushAccesUnit","nbSamples","isNaN","lastSample","forceKeyFrameOnDiscontinuity","sps","debug","last","_parseAVCNALu","expGolombDecoder","spsfound","createAVCSample","audFound","forEach","sliceType","payloadType","payloadSize","endOfCaptions","b","countryCode","providerCode","userStructure","userDataType","firstByte","secondByte","totalCCs","byteArray","_insertSampleInOrder","bytes","uuidStrArray","toString","userDataPayloadBytes","uuid","join","userDataBytes","userData","utf8ArrayToStr","codecarray","codecstring","h","pps","arr","pos","_getLastNalUnit","lastUnit","array","value","overflow","state","naluState","lastState","unitType","lastUnitStart","lastUnitType","tmp","EPBPositions","newLength","sourceIndex","shift","startOffset","newPTS","abs","MP3Demuxer","AAC","getSilentFrame","UINT32_MAX","pow","MP4","init","types","avc1","avcC","btrt","dinf","dref","esds","ftyp","hdlr","mdat","mdhd","mdia","mfhd","minf","moof","moov","mp4a","mvex","mvhd","pasp","sdtp","stbl","stco","stsc","stsd","stsz","stts","tfdt","tfhd","traf","trak","trun","trex","tkhd","vmhd","smhd","hasOwnProperty","charCodeAt","videoHdlr","audioHdlr","HDLR_TYPES","STTS","STSC","STCO","STSZ","VMHD","SMHD","STSD","majorBrand","avc1Brand","minorVersion","FTYP","box","DINF","payload","prototype","call","arguments","timescale","upperWordDuration","lowerWordDuration","sn","baseMediaDecodeTime","tracks","boxes","apply","concat","flags","dependsOn","isDependedOn","hasRedundancy","avcc","hSpacing","vSpacing","configlen","sampleDependencyTable","upperWordBaseMediaDecodeTime","lowerWordBaseMediaDecodeTime","arraylen","cts","isLeading","paddingValue","isNonSync","degradPrio","movie","MPEG_TS_CLOCK_FREQ_HZ","toTimescaleFromScale","destScale","srcScale","toTimescaleFromBase","srcBase","toMsFromMpegTsClock","toMpegTsClockFromTimescale","MAX_SILENT_FRAME_DURATION_90KHZ","PTS_DTS_SHIFT_TOLERANCE_90KHZ","MP4Remuxer","vendor","isSafari","match","ISGenerated","defaultTimeStamp","generateIS","nbAudioSamples","nbVideoSamples","audioTimeOffset","videoTimeOffset","audiovideoDeltaDts","max","remuxAudio","audioTrackLength","endPTS","startPTS","remuxVideo","videoData","remuxEmptyAudio","remuxID3","remuxText","FRAG_PARSED","audioSamples","videoSamples","computePTSDTS","initPTS","initDTS","Infinity","metadata","INIT_PTS_FOUND","Object","keys","FRAG_PARSING_INIT_SEGMENT","mp4SampleDuration","firstPTS","firstDTS","lastPTS","lastDTS","timeScale","inputSamples","outputSamples","ptsNormalize","_PTSNormalize","nextAvcDts","sort","a","deltadts","deltapts","PTSDTSshift","reduce","curr","delta","nbNalu","naluLen","nbUnits","sampleLen","mdatSize","MUX_ERROR","REMUX_ALLOC_ERROR","setUint32","avcSampleUnits","mp4SampleLength","compositionTimeOffset","unitData","unitDataLen","lastFrameDuration","stretchShortVideoTrack","maxBufferHole","gapTolerance","deltaToFrameEnd","nextAudioPts","data1","data2","startDTS","endDTS","hasAudio","hasVideo","nb","FRAG_PARSING_DATA","mp4timeScale","scaleFactor","inputSampleDuration","rawMPEG","mp4Sample","fillFrame","filter","maxAudioFramesDrift","nextPts","missing","newStamp","audioSample","numMissingFrames","unitLen","lastSampleDuration","end","sampleDuration","silentFrame","trace","index","FRAG_PARSING_METADATA","FRAG_PARSING_USERDATA","reference","normalizePts","PassThroughRemuxer","rawData","streamType","now","performance","Date","DemuxerInline","demuxer","discontinuity","trackSwitch","defaultInitPTS","startTime","endTime","FRAG_DECRYPTED","stats","tstart","tdecrypt","pushDecrypted","muxConfig","demux","MP4Demuxer","mux","DemuxerWorker","self","EventEmitter","event","emit","off","removeListener","forwardMessage","ev","postMessage","addEventListener","cmd","JSON","parse","enableLogs","on","transferable","isFooter","front","_readSize","frames","getID3Frames","isTimeStampFrame","_readTimeStamp","info","_getFrameData","String","fromCharCode","frameData","_decodeFrame","_decodePrivFrame","_decodeTextFrame","_decodeURLFrame","timeStampFrame","pts33Bit","owner","_utf8ArrayToStr","privateData","description","url","exitOnNull","decoder","getTextDecoder","decoded","decode","idx","substring","replace","c","char2","char3","out","TextDecoder","initData","parseInitSegment","audiovideo","findBox","bin2str","readUint16","val","readUint32","writeUint32","path","results","subresults","endbox","parseSegmentIndex","moovEndOffset","sidx","references","version","earliestPresentationTime","firstOffset","startByte","referencesCount","referenceIndex","referenceInfo","referenceSize","referenceType","console","subsegmentDuration","traks","trackId","hdlrType","codecBox","codecType","getStartDTS","fragment","trafs","baseTimes","map","scale","baseTime","isFinite","offsetStartDTS","upper","lower","module","exports","HlsEvents","MEDIA_ATTACHING","MEDIA_ATTACHED","MEDIA_DETACHING","MEDIA_DETACHED","BUFFER_RESET","BUFFER_CODECS","BUFFER_CREATED","BUFFER_APPENDING","BUFFER_APPENDED","BUFFER_EOS","BUFFER_FLUSHING","BUFFER_FLUSHED","MANIFEST_LOADING","MANIFEST_LOADED","MANIFEST_PARSED","LEVEL_SWITCHING","LEVEL_SWITCHED","LEVEL_LOADING","LEVEL_LOADED","LEVEL_UPDATED","LEVEL_PTS_UPDATED","LIVE_BACK_BUFFER_REACHED","AUDIO_TRACKS_UPDATED","AUDIO_TRACK_SWITCHING","AUDIO_TRACK_SWITCHED","AUDIO_TRACK_LOADING","AUDIO_TRACK_LOADED","SUBTITLE_TRACKS_UPDATED","SUBTITLE_TRACK_SWITCH","SUBTITLE_TRACK_LOADING","SUBTITLE_TRACK_LOADED","SUBTITLE_FRAG_PROCESSED","FRAG_LOADING","FRAG_LOAD_PROGRESS","FRAG_LOAD_EMERGENCY_ABORTED","FRAG_LOADED","FRAG_BUFFERED","FRAG_CHANGED","FPS_DROP","FPS_DROP_LEVEL_CAPPING","DESTROYING","KEY_LOADING","KEY_LOADED","STREAM_STATE_TRANSITION","CAN_PLAY_AFTER_SEEK","FORBIDDEN_EVENT_NAMES","EventHandler","hls","handledEvents","useGenericHandler","onEvent","events","registerListeners","onHandlerDestroying","unregisterListeners","onHandlerDestroyed","isEventHandler","onEventGeneric","eventToFunction","funcName","constructor","OTHER_ERROR","INTERNAL_EXCEPTION","PlaylistContextType","PlaylistLevelType","LevelKey","baseURI","relativeURI","_uri","baseuri","reluri","buildAbsoluteURL","alwaysNormalize","ElementaryStreamTypes","Fragment","_url","_byteRange","_decryptdata","_elementaryStreams","AUDIO","VIDEO","deltaPTS","rawProgramDateTime","programDateTime","title","tagList","cc","relurl","baseurl","urlId","level","levelkey","loader","setByteRange","previousFrag","params","split","byteRange","byteRangeEndOffset","addElementaryStream","hasElementaryStream","createInitializationVector","segmentNumber","uint8View","setDecryptDataFromLevelKey","uri","Level","baseUrl","endCC","endSN","fragments","live","needSidxRanges","startCC","startSN","startTimeOffset","targetduration","totalduration","DECIMAL_RESOLUTION_REGEX","ATTR_LIST_REGEX","AttrList","attrs","parseAttrList","attr","decimalInteger","attrName","intValue","Number","MAX_SAFE_INTEGER","hexadecimalInteger","stringValue","hexadecimalIntegerAsNumber","decimalFloatingPoint","parseFloat","enumeratedString","decimalResolution","res","exec","input","lastIndex","quote","lastIndexOf","sampleEntryCodesISO","isCodecType","typeCodes","isCodecSupportedInMp4","MediaSource","isTypeSupported","MASTER_PLAYLIST_REGEX","MASTER_PLAYLIST_MEDIA_REGEX","LEVEL_PLAYLIST_REGEX_FAST","RegExp","source","LEVEL_PLAYLIST_REGEX_SLOW","MP4_REGEX_SUFFIX","M3U8Parser","findGroup","groups","mediaGroupId","group","convertAVC1ToAVCOTI","avcdata","substr","resolve","URLToolkit","parseMasterPlaylist","string","levels","setCodecs","codecs","filtered","preferred","unknownCodecs","resolution","bitrate","NAME","CODECS","parseMasterPlaylistMedia","audioGroups","medias","TYPE","media","groupId","LANGUAGE","default","DEFAULT","autoselect","AUTOSELECT","forced","FORCED","lang","URI","groupCodec","parseLevelPlaylist","levelUrlId","currentSN","discontinuityCounter","prevFrag","firstPdtIndex","assignProgramDateTime","value1","value2","toUpperCase","decryptparams","keyAttrs","decryptmethod","decrypturi","decryptiv","startAttrs","mapAttrs","BYTERANGE","pop","averagetargetduration","every","backfillProgramDateTimes","startIndex","fragPrev","endProgramDateTime","window","PlaylistLoader","loaders","canHaveQualityLevels","AUDIO_TRACK","SUBTITLE_TRACK","mapContextToLevelType","context","SUBTITLE","MAIN","getResponseUrl","response","createInternalLoader","PLoader","pLoader","Loader","InternalLoader","getInternalLoader","resetInternalLoader","contextType","destroyInternalLoaders","onManifestLoading","load","MANIFEST","responseType","onLevelLoading","LEVEL","onAudioTrackLoading","onSubtitleTrackLoading","loaderContext","abort","maxRetry","timeout","retryDelay","maxRetryDelay","manifestLoadingMaxRetry","manifestLoadingTimeOut","manifestLoadingRetryDelay","manifestLoadingMaxRetryTimeout","levelLoadingTimeOut","levelLoadingMaxRetry","levelLoadingRetryDelay","levelLoadingMaxRetryTimeout","loaderConfig","loaderCallbacks","onSuccess","loadsuccess","onError","loaderror","onTimeout","loadtimeout","networkDetails","isSidxRequest","_handleSidxRequest","_handlePlaylistLoaded","tload","_handleManifestParsingError","_handleTrackOrLevelPlaylist","_handleMasterPlaylist","_handleNetworkError","audioTracks","subtitles","embeddedAudioFound","unshift","levelId","levelType","levelDetails","singleLevel","tparsed","sidxUrl","rangeStart","rangeEnd","sidxInfo","sidxReferences","segmentRef","segRefInfo","NETWORK_ERROR","MANIFEST_PARSING_ERROR","MANIFEST_LOAD_TIMEOUT","MANIFEST_LOAD_ERROR","LEVEL_LOAD_TIMEOUT","LEVEL_LOAD_ERROR","AUDIO_TRACK_LOAD_TIMEOUT","AUDIO_TRACK_LOAD_ERROR","errorData","canHaveLevels","FragmentLoader","loaderName","onFragLoading","FragmentILoader","fLoader","DefaultILoader","loaded","progressData","byteRangeStartOffset","fragLoadingTimeOut","fragLoadingMaxRetryTimeout","onProgress","loadprogress","FRAG_LOAD_ERROR","FRAG_LOAD_TIMEOUT","KeyLoader","decryptkey","decrypturl","onKeyLoading","fragLoadingRetryDelay","KEY_LOAD_ERROR","KEY_LOAD_TIMEOUT","FragmentState","NOT_LOADED","APPENDING","PARTIAL","OK","FragmentTracker","bufferPadding","create","timeRanges","getBufferedFrag","bufferedFrags","fragmentEntity","body","buffered","bufferedFragKey","detectEvictedFragments","elementaryStream","timeRange","fragmentTimes","time","esData","range","isTimeBuffered","removeFragment","detectPartialFragments","fragKey","getFragmentKey","getBufferedTimes","fragmentPartial","partial","getPartialFragment","timePadding","bestFragment","bestOverlap","isPartial","getState","onFragLoaded","bitrateTest","onBufferAppended","onFragBuffered","hasFragment","removeAllFragments","BinarySearch","search","list","comparisonFn","minIndex","maxIndex","currentIndex","currentElement","comparisonResult","BufferHelper","isBuffered","bufferInfo","maxHoleDuration","vbuffered","bufferedInfo","nextStart","diff","buffered2","buf2len","buf2end","bufferLen","bufferStartNext","bufferStart","bufferEnd","getBufferedPosWithinTolerance","maxFragLookUpTolerance","currentTime","getMediaSource","WebKitMediaSource","Observer","Demuxer","mp4","enableWorker","Worker","w","work","require","onwmsg","onWorkerMessage","onerror","filename","lineno","stringify","URL","revokeObjectURL","objectURL","removeEventListener","terminate","removeAllListeners","lastFrag","nextSN","ArrayBuffer","addGroupId","audioGroupIds","textGroupIds","updatePTS","fromIdx","toIdx","fragFrom","fragTo","fragToPTS","updateFragPTSDTS","maxStartPTS","drift","fragIdx","PTSKnown","mergeDetails","oldDetails","newDetails","ccOffset","PTSFrag","mapFragmentIntersection","oldFrag","newFrag","backtracked","newFragments","adjustSliding","mergeSubtitlePlaylists","oldPlaylist","newPlaylist","referenceStart","frags","intersectionFn","oldFragments","computeReloadInterval","currentPlaylist","lastRequestTime","reloadInterval","minReloadInterval","TimeRanges","r","toFixed","findFirstFragWithCC","firstFrag","currentFrag","findFragWithCC","CC","candidate","shouldAlignOnDiscontinuities","lastLevel","shouldAlign","findDiscontinuousReferenceFrag","prevDetails","curDetails","prevFrags","curFrags","prevStartFrag","adjustPts","sliding","alignStream","alignDiscontinuities","alignPDT","referenceFrag","lastDetails","hasProgramDateTime","lastPDT","newPDT","findFragmentByPDT","PDTValue","isArray","startPDT","endPDT","seg","pdtWithinToleranceTest","findFragmentByPTS","fragPrevious","fragNext","fragmentWithinToleranceTest","candidateLookupTolerance","pdtBufferEnd","STALL_MINIMUM_DURATION_MS","MAX_START_GAP_JUMP","SKIP_BUFFER_HOLE_STEP_SECONDS","SKIP_BUFFER_RANGE_START","GapController","fragmentTracker","nudgeRetry","stallReported","stalled","moved","seeking","poll","lastCurrentTime","seeked","beginSeek","stalledDuration","seekWithinTolerance","seekWithinToleranceIfNeeded","paused","ended","playbackRate","hasEnoughBuffer","noBufferGap","startJump","_trySkipBufferHole","tnow","_reportStall","bufferedWithHoles","_tryFixBufferStall","bufferedPosWithinTolerance","stalledDurationMs","targetTime","highBufferWatchdogPeriod","_tryNudgeBuffer","BUFFER_STALLED_ERROR","lastEndTime","BUFFER_SEEK_OVER_HOLE","nudgeMaxRetry","nudgeOffset","BUFFER_NUDGE_ON_STALL","TaskLoop","_boundTick","_tickTimer","_tickInterval","_tickCallCount","tick","clearNextTick","clearInterval","hasInterval","hasNextTick","setInterval","millis","clearTimeout","doTick","setTimeout","State","STOPPED","STARTING","IDLE","PAUSED","FRAG_LOADING_WAITING_RETRY","WAITING_TRACK","PARSING","PARSED","ENDED","WAITING_INIT_PTS","WAITING_LEVEL","BaseStreamController","startLoad","stopLoad","fragCurrent","_streamEnded","fragState","onMediaSeeking","mediaBuffer","tolerance","fragStartOffset","fragEndOffset","loadedmetadata","nextLoadPosition","startPosition","onMediaEnded","computeLivePosition","targetLatency","liveSyncDuration","liveSyncDurationCount","TICK_INTERVAL","StreamController","audioCodecSwap","_state","gapController","altAudio","fragLoadError","startFragRequested","startLevel","nextLoadLevel","forceStartLoad","_doTickIdle","retryDate","_checkBuffer","_checkFragmentChanged","levelLastLoaded","startFragPrefetch","levelInfo","levelBitrate","maxBufLen","maxBufferSize","maxBufferLength","maxMaxBufferLength","_fetchPayloadOrEos","fragLen","initialLiveManifestSize","_ensureFragmentAtLivePoint","_findFragment","encrypted","_loadKey","_loadFragment","maxLatency","liveMaxLatencyDuration","liveMaxLatencyDurationCount","liveSyncPosition","readyState","targetSN","fragPreviousLoad","fragmentIndexRange","fragNextLoad","lookupTolerance","curSNIdx","sameLevel","prevSnFrag","nextSnFrag","autoLevel","autoLevelEnabled","_reduceMaxBufferLength","followingBufferedFrag","fragPlayingCurrent","fragPlaying","fragPlayingLevel","immediateLevelSwitch","immediateSwitch","previouslyPaused","pause","flushMainBuffer","POSITIVE_INFINITY","immediateLevelSwitchEnd","play","nextLevelSwitch","fetchdelay","nextBufferedFrag","nextLevelId","nextLevel","fragLastKbps","endOffset","flushScope","onMediaAttached","onvseeking","onvseeked","onMediaSeeked","onvended","autoStartLoad","onMediaDetaching","onManifestParsed","aac","heaac","audioCodecSwitch","onLevelLoaded","newLevelId","curLevel","LevelHelper","onKeyLoaded","fragLoaded","currentLevel","tbuffered","pendingBuffering","appended","initSegmentData","_getAudioCodec","onFragParsingInitSegment","fragNew","trackName","ua","levelCodec","parent","content","onFragParsingData","onFragParsed","_checkAppendedParsed","onAudioTrackSwitching","onAudioTrackSwitched","videoBuffer","onBufferCreated","mediaTrack","alternate","pending","total","tfirst","mediaBuffered","fragLoadingMaxRetry","delay","levelRetry","BUFFER_FULL_ERROR","minLength","_seekToStartPos","onFragLoadEmergencyAborted","onBufferFlushed","swapAudioCodec","defaultAudioCodec","nextState","previousState","_liveSyncPosition","chromeOrFirefox","LevelController","canload","currentLevelIndex","manualLevelIndex","timer","clearTimer","_levels","levelRetryCount","loadError","loadLevel","onManifestLoaded","bitrateStart","levelSet","levelFromSet","videoCodecFound","audioCodecFound","attributes","fragmentError","SUBTITLES","_firstLevel","firstLevel","some","MANIFEST_INCOMPATIBLE_CODECS_ERROR","setLevelInternal","newLevel","levelProperties","LEVEL_SWITCH_ERROR","levelError","levelIndex","recoverLevel","errorEvent","errorDetails","redundantLevels","nextAutoLevel","trequest","audioGroupId","levelObject","_startLevel","configStartLevel","sendAddTrackEvent","videoEl","document","createEvent","initEvent","dispatchEvent","clearCurrentCues","cues","removeCue","getClosestCue","left","right","mid","ID3TrackController","getID3Track","textTracks","kind","label","addTextTrack","onLiveBackBufferReached","foundCue","removeCues","cue","onFragParsingMetadata","mode","Cue","WebKitDataCue","VTTCue","TextTrackCue","addCue","isSupported","mediaSource","sourceBuffer","SourceBuffer","WebKitSourceBuffer","sourceBufferValidAPI","appendBuffer","remove","EWMA","halfLife","alpha_","estimate_","totalWeight_","exp","weight","adjAlpha","getTotalWeight","getEstimate","zeroFactor","EwmaBandWidthEstimator","slow","fast","defaultEstimate","defaultEstimate_","minWeight_","minDelayMs_","slow_","fast_","durationMs","numBytes","numBits","durationS","bandwidthInBps","canEstimate","AbrController","lastLoadedFragLevel","_nextAutoLevel","_bwEstimator","onCheck","_abandonRulesCheck","isLive","ewmaFast","ewmaSlow","abrEwmaFastLive","abrEwmaSlowLive","abrEwmaFastVoD","abrEwmaSlowVoD","abrEwmaDefaultEstimate","minAutoLevel","aborted","requestDelay","loadRate","bw","realBitrate","expectedLen","fragLoadedDelay","bufferStarvationDelay","fragLevelNextLoadedDelay","levelNextBitrate","abrMaxWithRealBitrate","loadedBytes","loadedDuration","fragLoadingProcessingMs","bwEstimate","bitrateTestDelay","_findBestLevel","currentFragDuration","currentBw","maxAutoLevel","maxFetchDuration","bwFactor","bwUpFactor","avgDuration","adjustedbw","fetchDuration","forcedAutoLevel","bwEstimator","nextABRAutoLevel","_nextABRAutoLevel","avgbw","bestLevel","abrBandWidthFactor","abrBandWidthUpFactor","maxStarvationDelay","maxLoadingDelay","BufferController","Events","_msDuration","_levelDuration","_levelTargetDuration","_live","_objectUrl","_needsFlush","_needsEos","audioTimestampOffset","bufferCodecEventsExpected","_bufferCodecEventsTotal","segments","appending","appendError","flushBufferCounter","pendingTracks","flushRange","_onMediaSourceOpen","checkPendingTracks","_onMediaSourceClose","_onMediaSourceEnded","_onSBUpdateEnd","audioBuffer","timestampOffset","doFlush","checkEos","counter","segment","sbSet","sb","doAppending","updateMediaElementDuration","flushLiveBackBuffer","_onSBUpdateError","BUFFER_APPENDING_ERROR","onLevelPtsUpdated","updating","onMediaAttaching","ms","src","createObjectURL","endOfStream","removeAttribute","pendingTracksCount","createSourceBuffers","onBufferReset","removeSourceBuffer","onBufferCodecs","mimeType","addSourceBuffer","BUFFER_ADD_CODEC_ERROR","onBufferAppending","onBufferEos","onBufferFlushing","liveBackBufferLength","bufferTypes","targetBackBufferPosition","bufferType","removeBufferRange","onLevelUpdated","liveDurationInfinity","flushBuffer","code","BUFFER_APPEND_ERROR","appendErrorMaxRetry","sbType","bufStart","bufEnd","removeStart","removeEnd","CapLevelController","autoLevelCapping","restrictedLevels","capLevelToPlayerSize","stopCapping","onFpsDropLevelCapping","isLevelAllowed","droppedLevel","HTMLVideoElement","startCapping","onLevelsUpdated","detectPlayerSize","levelsLength","getMaxLevel","streamController","capLevelIndex","validLevels","getMaxLevelByMediaSize","mediaWidth","mediaHeight","atGreatestBandiwdth","maxLevelIndex","clientWidth","offsetWidth","contentScaleFactor","clientHeight","offsetHeight","devicePixelRatio","FPSController","isVideoPlaybackQualityAvailable","capLevelOnFPSDrop","getVideoPlaybackQuality","checkFPSInterval","fpsDroppedMonitoringPeriod","checkFPS","decodedFrames","droppedFrames","lastTime","currentPeriod","currentDropped","lastDroppedFrames","currentDecoded","lastDecodedFrames","droppedFPS","totalDroppedFrames","fpsDroppedMonitoringThreshold","videoPlaybackQuality","totalVideoFrames","droppedVideoFrames","webkitDecodedFrameCount","webkitDroppedFrameCount","XMLHttpRequest","XhrLoader","xhrSetup","requestTimeout","retryTimeout","callbacks","retry","loadInternal","xhr","open","status","setRequestHeader","onreadystatechange","readystatechange","onprogress","send","currentTarget","responseText","responseURL","statusText","lengthComputable","KeySystems","requestMediaKeySystemAccess","hlsDefaultConfig","lowBufferWatchdogPeriod","licenseXhrSetup","abrController","bufferController","capLevelController","fpsController","minAutoBitrate","emeEnabled","widevineLicenseUrl","requestMediaKeySystemAccessFunc","timelineConfig","subtitleStreamController","__USE_SUBTITLES__","SubtitleStreamController","subtitleTrackController","SubtitleTrackController","timelineController","TimelineController","audioStreamController","__USE_ALT_AUDIO__","AudioStreamController","audioTrackController","AudioTrackController","emeController","__USE_EME_DRM__","EMEController","cueHandler","Cues","enableCEA708Captions","enableWebVTT","captionsTextTrack1Label","captionsTextTrack1LanguageCode","captionsTextTrack2Label","captionsTextTrack2LanguageCode","Hls","__VERSION__","defaultConfig","userConfig","_autoLevelCapping","levelController","networkControllers","coreComponents","DefaultConfig","playListLoader","fragmentLoader","keyLoader","id3TrackController","Controller","detachMedia","component","attachMedia","loadSource","location","href","controller","recoverMediaError","manualLevel","shouldStartCapping","newCapLevelToPlayerSize","NaN","audioTrackId","subtitleTracks","subtitleTrack","subtitleTrackId","subtitleDisplay","isFiniteNumber","noop","fakeLogger","exportedLogger","formatMsg","msg","consolePrintFn","func","args","exportLoggerFunctions","debugConfig","functions"],"mappings":";AAAA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,CAAC;AACD,O;ACVA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;;;AAGA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,kDAA0C,gCAAgC;AAC1E;AACA;;AAEA;AACA;AACA;AACA,gEAAwD,kBAAkB;AAC1E;AACA,yDAAiD,cAAc;AAC/D;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,iDAAyC,iCAAiC;AAC1E,wHAAgH,mBAAmB,EAAE;AACrI;AACA;;AAEA;AACA;AACA;AACA,mCAA2B,0BAA0B,EAAE;AACvD,yCAAiC,eAAe;AAChD;AACA;AACA;;AAEA;AACA,8DAAsD,+DAA+D;;AAErH;AACA;;;AAGA;AACA;;;;;;;;;;;;;;AClFa;;AAEb;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,WAAW,SAAS;AACpB,WAAW,EAAE;AACb,WAAW,QAAQ;AACnB;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,WAAW,aAAa;AACxB,WAAW,gBAAgB;AAC3B,WAAW,SAAS;AACpB,WAAW,EAAE;AACb,WAAW,QAAQ;AACnB,aAAa;AACb;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,WAAW,aAAa;AACxB,WAAW,gBAAgB;AAC3B;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA,aAAa;AACb;AACA;AACA;AACA;AACA;AACA;;AAEA;;AAEA;AACA;AACA;;AAEA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,aAAa,MAAM;AACnB;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA,yDAAyD,OAAO;AAChE;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,aAAa,OAAO;AACpB;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,aAAa,QAAQ;AACrB;AACA;AACA;AACA;;AAEA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA,yCAAyC,SAAS;AAClD;AACA;;AAEA;AACA,GAAG;AACH;AACA;;AAEA,eAAe,YAAY;AAC3B;;AAEA;AACA,2DAA2D;AAC3D,+DAA+D;AAC/D,mEAAmE;AACnE,uEAAuE;AACvE;AACA,0DAA0D,SAAS;AACnE;AACA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,WAAW,SAAS;AACpB,WAAW,EAAE;AACb,aAAa,aAAa;AAC1B;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,WAAW,SAAS;AACpB,WAAW,EAAE;AACb,aAAa,aAAa;AAC1B;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,WAAW,SAAS;AACpB,WAAW,EAAE;AACb,WAAW,QAAQ;AACnB,aAAa,aAAa;AAC1B;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;;AAEA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,GAAG;AACH,2DAA2D,YAAY;AACvE;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,WAAW,gBAAgB;AAC3B,aAAa,aAAa;AAC1B;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,GAAG;AACH;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,IAAI,IAA6B;AACjC;AACA;;;;;;;;;;;;;AC/UA;;AAEA;AACA,iB;AACA;;AAEA,oFAAoF;AACpF;AACA;AACA;;AAEA,oBAAoB;AACpB;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,sBAAsB;AACtB;AACA;AACA;AACA;AACA,wBAAwB;AACxB;AACA;AACA;AACA;AACA;AACA,WAAW;AACX;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,KAAK;AACL;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,KAAK;AACL;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,sFAAsF;AACtF;AACA,KAAK;AACL;AACA;AACA;AACA;;AAEA;AACA,KAAK,IAAyD;AAC9D;AACA,OAAO,EAK6B;AACpC,CAAC;AACD;;;;;;;;;;;;;AClKA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;;AAEA;AACA,mDAAmD,cAAc;;AAEjE;AACA;AACA;AACA;AACA;AACA;AACA;AACA,eAAe;AACf;AACA;;AAEA;AACA;AACA,0DAA0D,cAAc;AACxE;;AAEA;AACA;AACA;AACA,qCAAqC,0BAA0B,EAAE;AACjE,2CAA2C,eAAe;AAC1D;AACA;AACA;;AAEA;AACA,8DAA8D,+DAA+D;;AAE7H;AACA;;AAEA;AACA,kDAAkD,oBAAoB,WAAW;;AAEjF;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA,6CAA6C;AAC7C;;AAEA;AACA,uBAAuB;AACvB;;AAEA;AACA;AACA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA,0BAA0B,mBAAmB;AAC7C;AACA;AACA;AACA;;AAEA;AACA;AACA,iBAAiB,iBAAiB;AAClC,mBAAmB,4BAA4B;AAC/C;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA;AACA,GAAG;AACH;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA,mBAAmB,mBAAmB;AACtC;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,qBAAqB,2BAA2B;AAChD;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA,UAAU,qBAAmB;AAC7B;;AAEA,uCAAuC,kCAAkC;;AAEzE;;AAEA,oDAAoD,sBAAsB;AAC1E;AACA;AACA;AACA;AACA;AACA,qFAAqF,sCAAsC,EAAE;AAC7H,sIAAsI,+CAA+C,yEAAyE,gBAAgB,EAAE;AAChR,GAAG;;AAEH,iHAAiH,4CAA4C,sEAAsE,gBAAgB,SAAS;;AAE5P,qCAAqC,0BAA0B;AAC/D,qBAAqB;;AAErB;;AAEA;AACA;AACA;;AAEA;AACA;;;;;;;;;;;;;;;;;;;;;;;;;;;;;ICzMqBA,S;;;AACnB,qBAAaC,MAAb,EAAqBC,EAArB,EAAyB;AACvB,SAAKD,MAAL,GAAcA,MAAd;AACA,SAAKE,KAAL,GAAaD,EAAb;AACD;;;;SAEDE,O,GAAA,iBAASC,IAAT,EAAeC,GAAf,EAAoB;AAClB,WAAO,KAAKL,MAAL,CAAYG,OAAZ,CAAoB;AAAEG,UAAI,EAAE,SAAR;AAAmBL,QAAE,EAAE,KAAKC;AAA5B,KAApB,EAAyDG,GAAzD,EAA8DD,IAA9D,CAAP;AACD,G;;;;;;;ICRGG,U;;;AACJ,sBAAaP,MAAb,EAAqBK,GAArB,EAA0B;AACxB,SAAKL,MAAL,GAAcA,MAAd;AACA,SAAKK,GAAL,GAAWA,GAAX;AACD;;;;SAEDG,S,GAAA,qBAAa;AACX,WAAO,KAAKR,MAAL,CAAYS,SAAZ,CAAsB,KAAtB,EAA6B,KAAKJ,GAAlC,EAAuC;AAAEC,UAAI,EAAE;AAAR,KAAvC,EAA4D,KAA5D,EAAmE,CAAC,SAAD,EAAY,SAAZ,CAAnE,CAAP;AACD,G;;;;;AAGYC,2DAAf,E;;ACXA;AACO,SAASG,aAAT,CAAwBC,MAAxB,EAAgC;AACrC,MAAMC,WAAW,GAAGD,MAAM,CAACE,UAA3B;AACA,MAAMC,YAAY,GAAGF,WAAW,IAAK,IAAIG,QAAJ,CAAaJ,MAAb,CAAD,CAAuBK,QAAvB,CAAgCJ,WAAW,GAAG,CAA9C,CAApC;;AACA,MAAIE,YAAJ,EAAkB;AAChB,WAAOH,MAAM,CAACM,KAAP,CAAa,CAAb,EAAgBL,WAAW,GAAGE,YAA9B,CAAP;AACD,GAFD,MAEO;AACL,WAAOH,MAAP;AACD;AACF;;IAEKO,Y;;;AACJ,0BAAe;AACb;AACA,SAAKC,IAAL,GAAY,CAAC,GAAD,EAAM,GAAN,EAAW,GAAX,EAAgB,GAAhB,EAAqB,GAArB,EAA0B,IAA1B,EAAgC,IAAhC,EAAsC,IAAtC,EAA4C,IAA5C,EAAkD,IAAlD,EAAwD,IAAxD,CAAZ;AACA,SAAKC,MAAL,GAAc,CAAC,IAAIC,WAAJ,CAAgB,GAAhB,CAAD,EAAuB,IAAIA,WAAJ,CAAgB,GAAhB,CAAvB,EAA6C,IAAIA,WAAJ,CAAgB,GAAhB,CAA7C,EAAmE,IAAIA,WAAJ,CAAgB,GAAhB,CAAnE,CAAd;AACA,SAAKC,SAAL,GAAiB,CAAC,IAAID,WAAJ,CAAgB,GAAhB,CAAD,EAAuB,IAAIA,WAAJ,CAAgB,GAAhB,CAAvB,EAA6C,IAAIA,WAAJ,CAAgB,GAAhB,CAA7C,EAAmE,IAAIA,WAAJ,CAAgB,GAAhB,CAAnE,CAAjB;AACA,SAAKE,IAAL,GAAY,IAAIF,WAAJ,CAAgB,GAAhB,CAAZ;AACA,SAAKG,OAAL,GAAe,IAAIH,WAAJ,CAAgB,GAAhB,CAAf,CANa,CAQb;;AACA,SAAKhB,GAAL,GAAW,IAAIgB,WAAJ,CAAgB,CAAhB,CAAX;AAEA,SAAKI,SAAL;AACD,G,CAED;;;;;SACAC,wB,GAAA,kCAA0BC,WAA1B,EAAuC;AACrC,QAAIC,IAAI,GAAG,IAAIb,QAAJ,CAAaY,WAAb,CAAX;AACA,QAAIE,QAAQ,GAAG,IAAIR,WAAJ,CAAgB,CAAhB,CAAf;;AACA,SAAK,IAAIS,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG,CAApB,EAAuBA,CAAC,EAAxB,EAA4B;AAC1BD,cAAQ,CAACC,CAAD,CAAR,GAAcF,IAAI,CAACG,SAAL,CAAeD,CAAC,GAAG,CAAnB,CAAd;AACD;;AAED,WAAOD,QAAP;AACD,G;;SAEDJ,S,GAAA,qBAAa;AACX,QAAIF,IAAI,GAAG,KAAKA,IAAhB;AACA,QAAIC,OAAO,GAAG,KAAKA,OAAnB;AACA,QAAIJ,MAAM,GAAG,KAAKA,MAAlB;AACA,QAAIY,OAAO,GAAGZ,MAAM,CAAC,CAAD,CAApB;AACA,QAAIa,OAAO,GAAGb,MAAM,CAAC,CAAD,CAApB;AACA,QAAIc,OAAO,GAAGd,MAAM,CAAC,CAAD,CAApB;AACA,QAAIe,OAAO,GAAGf,MAAM,CAAC,CAAD,CAApB;AACA,QAAIE,SAAS,GAAG,KAAKA,SAArB;AACA,QAAIc,UAAU,GAAGd,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIe,UAAU,GAAGf,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIgB,UAAU,GAAGhB,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIiB,UAAU,GAAGjB,SAAS,CAAC,CAAD,CAA1B;AAEA,QAAIkB,CAAC,GAAG,IAAInB,WAAJ,CAAgB,GAAhB,CAAR;AACA,QAAIoB,CAAC,GAAG,CAAR;AACA,QAAIC,EAAE,GAAG,CAAT;AACA,QAAIZ,CAAC,GAAG,CAAR;;AACA,SAAKA,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG,GAAhB,EAAqBA,CAAC,EAAtB,EAA0B;AACxB,UAAIA,CAAC,GAAG,GAAR,EAAa;AACXU,SAAC,CAACV,CAAD,CAAD,GAAOA,CAAC,IAAI,CAAZ;AACD,OAFD,MAEO;AACLU,SAAC,CAACV,CAAD,CAAD,GAAQA,CAAC,IAAI,CAAN,GAAW,KAAlB;AACD;AACF;;AAED,SAAKA,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG,GAAhB,EAAqBA,CAAC,EAAtB,EAA0B;AACxB,UAAIa,EAAE,GAAGD,EAAE,GAAIA,EAAE,IAAI,CAAZ,GAAkBA,EAAE,IAAI,CAAxB,GAA8BA,EAAE,IAAI,CAApC,GAA0CA,EAAE,IAAI,CAAzD;AACAC,QAAE,GAAIA,EAAE,KAAK,CAAR,GAAcA,EAAE,GAAG,IAAnB,GAA2B,IAAhC;AACApB,UAAI,CAACkB,CAAD,CAAJ,GAAUE,EAAV;AACAnB,aAAO,CAACmB,EAAD,CAAP,GAAcF,CAAd,CAJwB,CAMxB;;AACA,UAAIG,EAAE,GAAGJ,CAAC,CAACC,CAAD,CAAV;AACA,UAAII,EAAE,GAAGL,CAAC,CAACI,EAAD,CAAV;AACA,UAAIE,EAAE,GAAGN,CAAC,CAACK,EAAD,CAAV,CATwB,CAWxB;;AACA,UAAIE,CAAC,GAAIP,CAAC,CAACG,EAAD,CAAD,GAAQ,KAAT,GAAmBA,EAAE,GAAG,SAAhC;AACAX,aAAO,CAACS,CAAD,CAAP,GAAcM,CAAC,IAAI,EAAN,GAAaA,CAAC,KAAK,CAAhC;AACAd,aAAO,CAACQ,CAAD,CAAP,GAAcM,CAAC,IAAI,EAAN,GAAaA,CAAC,KAAK,EAAhC;AACAb,aAAO,CAACO,CAAD,CAAP,GAAcM,CAAC,IAAI,CAAN,GAAYA,CAAC,KAAK,EAA/B;AACAZ,aAAO,CAACM,CAAD,CAAP,GAAaM,CAAb,CAhBwB,CAkBxB;;AACAA,OAAC,GAAID,EAAE,GAAG,SAAN,GAAoBD,EAAE,GAAG,OAAzB,GAAqCD,EAAE,GAAG,KAA1C,GAAoDH,CAAC,GAAG,SAA5D;AACAL,gBAAU,CAACO,EAAD,CAAV,GAAkBI,CAAC,IAAI,EAAN,GAAaA,CAAC,KAAK,CAApC;AACAV,gBAAU,CAACM,EAAD,CAAV,GAAkBI,CAAC,IAAI,EAAN,GAAaA,CAAC,KAAK,EAApC;AACAT,gBAAU,CAACK,EAAD,CAAV,GAAkBI,CAAC,IAAI,CAAN,GAAYA,CAAC,KAAK,EAAnC;AACAR,gBAAU,CAACI,EAAD,CAAV,GAAiBI,CAAjB,CAvBwB,CAyBxB;;AACA,UAAI,CAACN,CAAL,EAAQ;AACNA,SAAC,GAAGC,EAAE,GAAG,CAAT;AACD,OAFD,MAEO;AACLD,SAAC,GAAGG,EAAE,GAAGJ,CAAC,CAACA,CAAC,CAACA,CAAC,CAACM,EAAE,GAAGF,EAAN,CAAF,CAAF,CAAV;AACAF,UAAE,IAAIF,CAAC,CAACA,CAAC,CAACE,EAAD,CAAF,CAAP;AACD;AACF;AACF,G;;SAEDlC,S,GAAA,mBAAWwC,SAAX,EAAsB;AACpB;AACA,QAAI3C,GAAG,GAAG,KAAKqB,wBAAL,CAA8BsB,SAA9B,CAAV;AACA,QAAIC,OAAO,GAAG,IAAd;AACA,QAAIC,MAAM,GAAG,CAAb;;AAEA,WAAOA,MAAM,GAAG7C,GAAG,CAAC8C,MAAb,IAAuBF,OAA9B,EAAuC;AACrCA,aAAO,GAAI5C,GAAG,CAAC6C,MAAD,CAAH,KAAgB,KAAK7C,GAAL,CAAS6C,MAAT,CAA3B;AACAA,YAAM;AACP;;AAED,QAAID,OAAJ,EAAa;AACX;AACD;;AAED,SAAK5C,GAAL,GAAWA,GAAX;AACA,QAAI+C,OAAO,GAAG,KAAKA,OAAL,GAAe/C,GAAG,CAAC8C,MAAjC;;AAEA,QAAIC,OAAO,KAAK,CAAZ,IAAiBA,OAAO,KAAK,CAA7B,IAAkCA,OAAO,KAAK,CAAlD,EAAqD;AACnD,YAAM,IAAIC,KAAJ,CAAU,0BAA0BD,OAApC,CAAN;AACD;;AAED,QAAIE,MAAM,GAAG,KAAKA,MAAL,GAAc,CAACF,OAAO,GAAG,CAAV,GAAc,CAAf,IAAoB,CAA/C;AACA,QAAIG,KAAJ;AACA,QAAIC,QAAJ;AAEA,QAAIC,WAAW,GAAG,KAAKA,WAAL,GAAmB,IAAIpC,WAAJ,CAAgBiC,MAAhB,CAArC;AACA,QAAII,cAAc,GAAG,KAAKA,cAAL,GAAsB,IAAIrC,WAAJ,CAAgBiC,MAAhB,CAA3C;AACA,QAAIK,IAAI,GAAG,KAAKpC,IAAhB;AACA,QAAIJ,IAAI,GAAG,KAAKA,IAAhB;AAEA,QAAIG,SAAS,GAAG,KAAKA,SAArB;AACA,QAAIc,UAAU,GAAGd,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIe,UAAU,GAAGf,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIgB,UAAU,GAAGhB,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIiB,UAAU,GAAGjB,SAAS,CAAC,CAAD,CAA1B;AAEA,QAAIsC,IAAJ;AACA,QAAIb,CAAJ;;AAEA,SAAKQ,KAAK,GAAG,CAAb,EAAgBA,KAAK,GAAGD,MAAxB,EAAgCC,KAAK,EAArC,EAAyC;AACvC,UAAIA,KAAK,GAAGH,OAAZ,EAAqB;AACnBQ,YAAI,GAAGH,WAAW,CAACF,KAAD,CAAX,GAAqBlD,GAAG,CAACkD,KAAD,CAA/B;AACA;AACD;;AACDR,OAAC,GAAGa,IAAJ;;AAEA,UAAIL,KAAK,GAAGH,OAAR,KAAoB,CAAxB,EAA2B;AACzB;AACAL,SAAC,GAAIA,CAAC,IAAI,CAAN,GAAYA,CAAC,KAAK,EAAtB,CAFyB,CAIzB;;AACAA,SAAC,GAAIY,IAAI,CAACZ,CAAC,KAAK,EAAP,CAAJ,IAAkB,EAAnB,GAA0BY,IAAI,CAAEZ,CAAC,KAAK,EAAP,GAAa,IAAd,CAAJ,IAA2B,EAArD,GAA4DY,IAAI,CAAEZ,CAAC,KAAK,CAAP,GAAY,IAAb,CAAJ,IAA0B,CAAtF,GAA2FY,IAAI,CAACZ,CAAC,GAAG,IAAL,CAAnG,CALyB,CAOzB;;AACAA,SAAC,IAAI5B,IAAI,CAAEoC,KAAK,GAAGH,OAAT,GAAoB,CAArB,CAAJ,IAA+B,EAApC;AACD,OATD,MASO,IAAIA,OAAO,GAAG,CAAV,IAAeG,KAAK,GAAGH,OAAR,KAAoB,CAAvC,EAA0C;AAC/C;AACAL,SAAC,GAAIY,IAAI,CAACZ,CAAC,KAAK,EAAP,CAAJ,IAAkB,EAAnB,GAA0BY,IAAI,CAAEZ,CAAC,KAAK,EAAP,GAAa,IAAd,CAAJ,IAA2B,EAArD,GAA4DY,IAAI,CAAEZ,CAAC,KAAK,CAAP,GAAY,IAAb,CAAJ,IAA0B,CAAtF,GAA2FY,IAAI,CAACZ,CAAC,GAAG,IAAL,CAAnG;AACD;;AAEDU,iBAAW,CAACF,KAAD,CAAX,GAAqBK,IAAI,GAAG,CAACH,WAAW,CAACF,KAAK,GAAGH,OAAT,CAAX,GAA+BL,CAAhC,MAAuC,CAAnE;AACD;;AAED,SAAKS,QAAQ,GAAG,CAAhB,EAAmBA,QAAQ,GAAGF,MAA9B,EAAsCE,QAAQ,EAA9C,EAAkD;AAChDD,WAAK,GAAGD,MAAM,GAAGE,QAAjB;;AACA,UAAIA,QAAQ,GAAG,CAAf,EAAkB;AAChBT,SAAC,GAAGU,WAAW,CAACF,KAAD,CAAf;AACD,OAFD,MAEO;AACLR,SAAC,GAAGU,WAAW,CAACF,KAAK,GAAG,CAAT,CAAf;AACD;;AAED,UAAIC,QAAQ,GAAG,CAAX,IAAgBD,KAAK,IAAI,CAA7B,EAAgC;AAC9BG,sBAAc,CAACF,QAAD,CAAd,GAA2BT,CAA3B;AACD,OAFD,MAEO;AACLW,sBAAc,CAACF,QAAD,CAAd,GAA2BpB,UAAU,CAACuB,IAAI,CAACZ,CAAC,KAAK,EAAP,CAAL,CAAV,GAA6BV,UAAU,CAACsB,IAAI,CAAEZ,CAAC,KAAK,EAAP,GAAa,IAAd,CAAL,CAAvC,GAAmET,UAAU,CAACqB,IAAI,CAAEZ,CAAC,KAAK,CAAP,GAAY,IAAb,CAAL,CAA7E,GAAwGR,UAAU,CAACoB,IAAI,CAACZ,CAAC,GAAG,IAAL,CAAL,CAA7I;AACD;;AAEDW,oBAAc,CAACF,QAAD,CAAd,GAA2BE,cAAc,CAACF,QAAD,CAAd,KAA6B,CAAxD;AACD;AACF,G,CAED;;;SACAK,sB,GAAA,gCAAwBC,IAAxB,EAA8B;AAC5B,WAAQA,IAAI,IAAI,EAAT,GAAgB,CAACA,IAAI,GAAG,MAAR,KAAmB,CAAnC,GAAyC,CAACA,IAAI,GAAG,QAAR,KAAqB,CAA9D,GAAoEA,IAAI,KAAK,EAApF;AACD,G;;SAED3D,O,GAAA,iBAAS4D,gBAAT,EAA2Bb,MAA3B,EAAmChD,KAAnC,EAA0C8D,kBAA1C,EAA8D;AAC5D,QAAIC,OAAO,GAAG,KAAKb,OAAL,GAAe,CAA7B;AACA,QAAIM,cAAc,GAAG,KAAKA,cAA1B;AACA,QAAIQ,OAAO,GAAG,KAAK1C,OAAnB;AAEA,QAAIF,SAAS,GAAG,KAAKA,SAArB;AACA,QAAIc,UAAU,GAAGd,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIe,UAAU,GAAGf,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIgB,UAAU,GAAGhB,SAAS,CAAC,CAAD,CAA1B;AACA,QAAIiB,UAAU,GAAGjB,SAAS,CAAC,CAAD,CAA1B;AAEA,QAAI6C,UAAU,GAAG,KAAKzC,wBAAL,CAA8BxB,KAA9B,CAAjB;AACA,QAAIkE,WAAW,GAAGD,UAAU,CAAC,CAAD,CAA5B;AACA,QAAIE,WAAW,GAAGF,UAAU,CAAC,CAAD,CAA5B;AACA,QAAIG,WAAW,GAAGH,UAAU,CAAC,CAAD,CAA5B;AACA,QAAII,WAAW,GAAGJ,UAAU,CAAC,CAAD,CAA5B;AAEA,QAAIK,UAAU,GAAG,IAAIC,UAAJ,CAAeV,gBAAf,CAAjB;AACA,QAAIW,WAAW,GAAG,IAAID,UAAJ,CAAeD,UAAU,CAACrB,MAA1B,CAAlB;AAEA,QAAIwB,EAAJ,EAAQC,EAAR,EAAYC,EAAZ,EAAgBC,EAAhB;AACA,QAAIC,EAAJ,EAAQC,EAAR,EAAYC,EAAZ,EAAgBC,EAAhB;AACA,QAAIC,WAAJ,EAAiBC,WAAjB,EAA8BC,WAA9B,EAA2CC,WAA3C;AAEA,QAAI/B,KAAJ,EAAWzB,CAAX;AACA,QAAIyD,QAAQ,GAAG,KAAK1B,sBAApB;;AAEA,WAAOX,MAAM,GAAGsB,UAAU,CAACrB,MAA3B,EAAmC;AACjCgC,iBAAW,GAAGI,QAAQ,CAACf,UAAU,CAACtB,MAAD,CAAX,CAAtB;AACAkC,iBAAW,GAAGG,QAAQ,CAACf,UAAU,CAACtB,MAAM,GAAG,CAAV,CAAX,CAAtB;AACAmC,iBAAW,GAAGE,QAAQ,CAACf,UAAU,CAACtB,MAAM,GAAG,CAAV,CAAX,CAAtB;AACAoC,iBAAW,GAAGC,QAAQ,CAACf,UAAU,CAACtB,MAAM,GAAG,CAAV,CAAX,CAAtB;AAEA6B,QAAE,GAAGI,WAAW,GAAGzB,cAAc,CAAC,CAAD,CAAjC;AACAsB,QAAE,GAAGM,WAAW,GAAG5B,cAAc,CAAC,CAAD,CAAjC;AACAuB,QAAE,GAAGI,WAAW,GAAG3B,cAAc,CAAC,CAAD,CAAjC;AACAwB,QAAE,GAAGE,WAAW,GAAG1B,cAAc,CAAC,CAAD,CAAjC;AAEAH,WAAK,GAAG,CAAR,CAXiC,CAajC;;AACA,WAAKzB,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGmC,OAAhB,EAAyBnC,CAAC,EAA1B,EAA8B;AAC5B6C,UAAE,GAAGvC,UAAU,CAAC2C,EAAE,KAAK,EAAR,CAAV,GAAwB1C,UAAU,CAAE2C,EAAE,IAAI,EAAP,GAAa,IAAd,CAAlC,GAAwD1C,UAAU,CAAE2C,EAAE,IAAI,CAAP,GAAY,IAAb,CAAlE,GAAuF1C,UAAU,CAAC2C,EAAE,GAAG,IAAN,CAAjG,GAA+GxB,cAAc,CAACH,KAAD,CAAlI;AACAqB,UAAE,GAAGxC,UAAU,CAAC4C,EAAE,KAAK,EAAR,CAAV,GAAwB3C,UAAU,CAAE4C,EAAE,IAAI,EAAP,GAAa,IAAd,CAAlC,GAAwD3C,UAAU,CAAE4C,EAAE,IAAI,CAAP,GAAY,IAAb,CAAlE,GAAuF3C,UAAU,CAACwC,EAAE,GAAG,IAAN,CAAjG,GAA+GrB,cAAc,CAACH,KAAK,GAAG,CAAT,CAAlI;AACAsB,UAAE,GAAGzC,UAAU,CAAC6C,EAAE,KAAK,EAAR,CAAV,GAAwB5C,UAAU,CAAE6C,EAAE,IAAI,EAAP,GAAa,IAAd,CAAlC,GAAwD5C,UAAU,CAAEyC,EAAE,IAAI,CAAP,GAAY,IAAb,CAAlE,GAAuFxC,UAAU,CAACyC,EAAE,GAAG,IAAN,CAAjG,GAA+GtB,cAAc,CAACH,KAAK,GAAG,CAAT,CAAlI;AACAuB,UAAE,GAAG1C,UAAU,CAAC8C,EAAE,KAAK,EAAR,CAAV,GAAwB7C,UAAU,CAAE0C,EAAE,IAAI,EAAP,GAAa,IAAd,CAAlC,GAAwDzC,UAAU,CAAE0C,EAAE,IAAI,CAAP,GAAY,IAAb,CAAlE,GAAuFzC,UAAU,CAAC0C,EAAE,GAAG,IAAN,CAAjG,GAA+GvB,cAAc,CAACH,KAAK,GAAG,CAAT,CAAlI,CAJ4B,CAK5B;;AACAwB,UAAE,GAAGJ,EAAL;AACAK,UAAE,GAAGJ,EAAL;AACAK,UAAE,GAAGJ,EAAL;AACAK,UAAE,GAAGJ,EAAL;AAEAvB,aAAK,GAAGA,KAAK,GAAG,CAAhB;AACD,OA1BgC,CA4BjC;;;AACAoB,QAAE,GAAKT,OAAO,CAACa,EAAE,KAAK,EAAR,CAAP,IAAsB,EAAvB,GAA8Bb,OAAO,CAAEc,EAAE,IAAI,EAAP,GAAa,IAAd,CAAP,IAA8B,EAA5D,GAAmEd,OAAO,CAAEe,EAAE,IAAI,CAAP,GAAY,IAAb,CAAP,IAA6B,CAAhG,GAAqGf,OAAO,CAACgB,EAAE,GAAG,IAAN,CAA7G,GAA4HxB,cAAc,CAACH,KAAD,CAA/I;AACAqB,QAAE,GAAKV,OAAO,CAACc,EAAE,KAAK,EAAR,CAAP,IAAsB,EAAvB,GAA8Bd,OAAO,CAAEe,EAAE,IAAI,EAAP,GAAa,IAAd,CAAP,IAA8B,EAA5D,GAAmEf,OAAO,CAAEgB,EAAE,IAAI,CAAP,GAAY,IAAb,CAAP,IAA6B,CAAhG,GAAqGhB,OAAO,CAACa,EAAE,GAAG,IAAN,CAA7G,GAA4HrB,cAAc,CAACH,KAAK,GAAG,CAAT,CAA/I;AACAsB,QAAE,GAAKX,OAAO,CAACe,EAAE,KAAK,EAAR,CAAP,IAAsB,EAAvB,GAA8Bf,OAAO,CAAEgB,EAAE,IAAI,EAAP,GAAa,IAAd,CAAP,IAA8B,EAA5D,GAAmEhB,OAAO,CAAEa,EAAE,IAAI,CAAP,GAAY,IAAb,CAAP,IAA6B,CAAhG,GAAqGb,OAAO,CAACc,EAAE,GAAG,IAAN,CAA7G,GAA4HtB,cAAc,CAACH,KAAK,GAAG,CAAT,CAA/I;AACAuB,QAAE,GAAKZ,OAAO,CAACgB,EAAE,KAAK,EAAR,CAAP,IAAsB,EAAvB,GAA8BhB,OAAO,CAAEa,EAAE,IAAI,EAAP,GAAa,IAAd,CAAP,IAA8B,EAA5D,GAAmEb,OAAO,CAAEc,EAAE,IAAI,CAAP,GAAY,IAAb,CAAP,IAA6B,CAAhG,GAAqGd,OAAO,CAACe,EAAE,GAAG,IAAN,CAA7G,GAA4HvB,cAAc,CAACH,KAAK,GAAG,CAAT,CAA/I;AACAA,WAAK,GAAGA,KAAK,GAAG,CAAhB,CAjCiC,CAmCjC;;AACAmB,iBAAW,CAACxB,MAAD,CAAX,GAAsBqC,QAAQ,CAACZ,EAAE,GAAGP,WAAN,CAA9B;AACAM,iBAAW,CAACxB,MAAM,GAAG,CAAV,CAAX,GAA0BqC,QAAQ,CAACT,EAAE,GAAGT,WAAN,CAAlC;AACAK,iBAAW,CAACxB,MAAM,GAAG,CAAV,CAAX,GAA0BqC,QAAQ,CAACV,EAAE,GAAGP,WAAN,CAAlC;AACAI,iBAAW,CAACxB,MAAM,GAAG,CAAV,CAAX,GAA0BqC,QAAQ,CAACX,EAAE,GAAGL,WAAN,CAAlC,CAvCiC,CAyCjC;;AACAH,iBAAW,GAAGe,WAAd;AACAd,iBAAW,GAAGe,WAAd;AACAd,iBAAW,GAAGe,WAAd;AACAd,iBAAW,GAAGe,WAAd;AAEApC,YAAM,GAAGA,MAAM,GAAG,CAAlB;AACD;;AAED,WAAOc,kBAAkB,GAAGtD,aAAa,CAACgE,WAAW,CAAC/D,MAAb,CAAhB,GAAuC+D,WAAW,CAAC/D,MAA5E;AACD,G;;SAED6E,O,GAAA,mBAAW;AACT,SAAKnF,GAAL,GAAWoF,SAAX;AACA,SAAKrC,OAAL,GAAeqC,SAAf;AACA,SAAKnC,MAAL,GAAcmC,SAAd;AAEA,SAAKlE,IAAL,GAAYkE,SAAZ;AACA,SAAKjE,OAAL,GAAeiE,SAAf;AACA,SAAKrE,MAAL,GAAcqE,SAAd;AACA,SAAKnE,SAAL,GAAiBmE,SAAjB;AACA,SAAKhC,WAAL,GAAmBgC,SAAnB;AACA,SAAK/B,cAAL,GAAsB+B,SAAtB;AAEA,SAAKtE,IAAL,GAAYsE,SAAZ;AACD,G;;;;;AAGYvE,8DAAf,E;;;;;;;;ACzRA;AACA;AACA;AAEA;AACA;AAEA;CAIA;;AACA,IAAMwE,MAAM,GAAGC,sCAAY,EAA3B,C,CAA+B;;IAEzBC,mB;;;AACJ,qBAAaC,QAAb,EAAuBC,MAAvB,SAAmE;AAAA,kCAAJ,EAAI;AAAA,qCAAlC9B,kBAAkC;AAAA,QAAlCA,kBAAkC,sCAAb,IAAa;;AACjE,SAAK+B,UAAL,GAAkB,IAAlB;AACA,SAAKF,QAAL,GAAgBA,QAAhB;AACA,SAAKC,MAAL,GAAcA,MAAd;AACA,SAAK9B,kBAAL,GAA0BA,kBAA1B,CAJiE,CAKjE;;AACA,QAAIA,kBAAJ,EAAwB;AACtB,UAAI;AACF,YAAMgC,aAAa,GAAGN,MAAM,CAACO,MAA7B;;AACA,YAAID,aAAJ,EAAmB;AACjB,eAAKhG,MAAL,GAAcgG,aAAa,CAAChG,MAAd,IAAwBgG,aAAa,CAACE,YAApD;AACD;AACF,OALD,CAKE,OAAOC,CAAP,EAAU,CAAE;AACf;;AACD,SAAKC,gBAAL,GAAwB,CAAC,KAAKpG,MAA9B;AACD;;;;SAEDqG,M,GAAA,kBAAU;AACR,WAAQ,KAAKD,gBAAL,IAAyB,KAAKN,MAAL,CAAYQ,iBAA7C;AACD,G;;SAEDnG,O,GAAA,iBAASC,IAAT,EAAeC,GAAf,EAAoBJ,EAApB,EAAwBsG,QAAxB,EAAkC;AAAA;;AAChC,QAAI,KAAKH,gBAAL,IAAyB,KAAKN,MAAL,CAAYQ,iBAAzC,EAA4D;AAC1D,UAAI,KAAKP,UAAT,EAAqB;AACnBS,wBAAM,CAACC,GAAP,CAAW,gBAAX;AACA,aAAKV,UAAL,GAAkB,KAAlB;AACD;;AACD,UAAIW,SAAS,GAAG,KAAKA,SAArB;;AACA,UAAI,CAACA,SAAL,EAAgB;AACd,aAAKA,SAAL,GAAiBA,SAAS,GAAG,IAAIxF,aAAJ,EAA7B;AACD;;AAEDwF,eAAS,CAAClG,SAAV,CAAoBH,GAApB;AACAkG,cAAQ,CAACG,SAAS,CAACvG,OAAV,CAAkBC,IAAlB,EAAwB,CAAxB,EAA2BH,EAA3B,EAA+B,KAAK+D,kBAApC,CAAD,CAAR;AACD,KAZD,MAYO;AACL,UAAI,KAAK+B,UAAT,EAAqB;AACnBS,wBAAM,CAACC,GAAP,CAAW,uBAAX;AACA,aAAKV,UAAL,GAAkB,KAAlB;AACD;;AACD,UAAM/F,MAAM,GAAG,KAAKA,MAApB;;AACA,UAAI,KAAKK,GAAL,KAAaA,GAAjB,EAAsB;AACpB,aAAKA,GAAL,GAAWA,GAAX;AACA,aAAKsG,UAAL,GAAkB,IAAIpG,YAAJ,CAAeP,MAAf,EAAuBK,GAAvB,CAAlB;AACD;;AAED,WAAKsG,UAAL,CAAgBnG,SAAhB,GACGoG,IADH,CACQ,UAACC,MAAD,EAAY;AAChB;AACA,YAAIZ,MAAM,GAAG,IAAIlG,SAAJ,CAAcC,MAAd,EAAsBC,EAAtB,CAAb;AACAgG,cAAM,CAAC9F,OAAP,CAAeC,IAAf,EAAqByG,MAArB,EACGC,KADH,CACS,UAACC,GAAD,EAAS;AACd,eAAI,CAACC,gBAAL,CAAsBD,GAAtB,EAA2B3G,IAA3B,EAAiCC,GAAjC,EAAsCJ,EAAtC,EAA0CsG,QAA1C;AACD,SAHH,EAIGK,IAJH,CAIQ,UAACK,MAAD,EAAY;AAChBV,kBAAQ,CAACU,MAAD,CAAR;AACD,SANH;AAOD,OAXH,EAYGH,KAZH,CAYS,UAACC,GAAD,EAAS;AACd,aAAI,CAACC,gBAAL,CAAsBD,GAAtB,EAA2B3G,IAA3B,EAAiCC,GAAjC,EAAsCJ,EAAtC,EAA0CsG,QAA1C;AACD,OAdH;AAeD;AACF,G;;SAEDS,gB,GAAA,0BAAkBD,GAAlB,EAAuB3G,IAAvB,EAA6BC,GAA7B,EAAkCJ,EAAlC,EAAsCsG,QAAtC,EAAgD;AAC9C,QAAI,KAAKT,MAAL,CAAYQ,iBAAhB,EAAmC;AACjCE,sBAAM,CAACC,GAAP,CAAW,wCAAX;AACA,WAAKL,gBAAL,GAAwB,IAAxB;AACA,WAAKL,UAAL,GAAkB,IAAlB;AACA,WAAK5F,OAAL,CAAaC,IAAb,EAAmBC,GAAnB,EAAwBJ,EAAxB,EAA4BsG,QAA5B;AACD,KALD,MAKO;AACLC,sBAAM,CAACU,KAAP,yBAAmCH,GAAG,CAACI,OAAvC;AACA,WAAKtB,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACC,KAA5B,EAAmC;AAAEC,YAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,eAAO,EAAEC,sBAAY,CAACC,kBAAtD;AAA0EC,aAAK,EAAE,IAAjF;AAAuFC,cAAM,EAAEf,GAAG,CAACI;AAAnG,OAAnC;AACD;AACF,G;;SAED3B,O,GAAA,mBAAW;AACT,QAAIkB,SAAS,GAAG,KAAKA,SAArB;;AACA,QAAIA,SAAJ,EAAe;AACbA,eAAS,CAAClB,OAAV;AACA,WAAKkB,SAAL,GAAiBjB,SAAjB;AACD;AACF,G;;;;;AAGYG,uEAAf,E;;;;;ACnGA;;;;AAIA;AACA;AAEA;AAEA;AAEO,SAASmC,cAAT,CAAyBlC,QAAzB,EAAmCzF,IAAnC,EAAyC8C,MAAzC,EAAiD8E,UAAjD,EAA6D;AAClE,MAAIC,cAAJ;AAAA,MAAoB;AAClBC,oBADF;AAAA,MACsB;AACpBC,6BAFF;AAAA,MAE+B;AAC7BC,kBAHF;AAAA,MAGoB;AAClBtC,QAJF;AAAA,MAKEuC,SAAS,GAAGC,SAAS,CAACD,SAAV,CAAoBE,WAApB,EALd;AAAA,MAMEC,aAAa,GAAGR,UANlB;AAAA,MAOES,kBAAkB,GAAG,CACnB,KADmB,EACZ,KADY,EAEnB,KAFmB,EAEZ,KAFY,EAGnB,KAHmB,EAGZ,KAHY,EAInB,KAJmB,EAIZ,KAJY,EAKnB,KALmB,EAKZ,KALY,EAMnB,KANmB,EAMZ,IANY,EAOnB,IAPmB,CAPvB,CADkE,CAgBlE;;AACAR,gBAAc,GAAG,CAAC,CAAC7H,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,CAA/B,IAAoC,CAArD;AACAgF,oBAAkB,GAAI,CAAC9H,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,CAApD;;AACA,MAAIgF,kBAAkB,GAAGO,kBAAkB,CAACtF,MAAnB,GAA4B,CAArD,EAAwD;AACtD0C,YAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,UAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,aAAO,EAAEC,sBAAY,CAACe,kBAAtD;AAA0Eb,WAAK,EAAE,IAAjF;AAAuFC,YAAM,mCAAiCI;AAA9H,KAA9B;AACA;AACD;;AACDE,kBAAgB,GAAI,CAAChI,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,CAAjD,CAvBkE,CAwBlE;;AACAkF,kBAAgB,IAAK,CAAChI,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,CAAnD;AACAsD,kBAAM,CAACC,GAAP,qBAA6BuB,UAA7B,wBAA0DC,cAA1D,wBAA2FC,kBAA3F,SAAiHO,kBAAkB,CAACP,kBAAD,CAAnI,0BAA4KE,gBAA5K,EA1BkE,CA2BlE;;AACA,MAAI,WAAWO,IAAX,CAAgBN,SAAhB,CAAJ,EAAgC;AAC9B,QAAIH,kBAAkB,IAAI,CAA1B,EAA6B;AAC3BD,oBAAc,GAAG,CAAjB;AACAnC,YAAM,GAAG,IAAI8C,KAAJ,CAAU,CAAV,CAAT,CAF2B,CAG3B;AACA;AACA;;AACAT,iCAA2B,GAAGD,kBAAkB,GAAG,CAAnD;AACD,KAPD,MAOO;AACLD,oBAAc,GAAG,CAAjB;AACAnC,YAAM,GAAG,IAAI8C,KAAJ,CAAU,CAAV,CAAT;AACAT,iCAA2B,GAAGD,kBAA9B;AACD,KAZ6B,CAa9B;;AACD,GAdD,MAcO,IAAIG,SAAS,CAACQ,OAAV,CAAkB,SAAlB,MAAiC,CAAC,CAAtC,EAAyC;AAC9CZ,kBAAc,GAAG,CAAjB;AACAnC,UAAM,GAAG,IAAI8C,KAAJ,CAAU,CAAV,CAAT;AACAT,+BAA2B,GAAGD,kBAA9B;AACD,GAJM,MAIA;AACL;;;AAGAD,kBAAc,GAAG,CAAjB;AACAnC,UAAM,GAAG,IAAI8C,KAAJ,CAAU,CAAV,CAAT,CALK,CAML;;AACA,QAAKZ,UAAU,KAAMA,UAAU,CAACa,OAAX,CAAmB,YAAnB,MAAqC,CAAC,CAAvC,IACjBb,UAAU,CAACa,OAAX,CAAmB,WAAnB,MAAoC,CAAC,CADzB,CAAX,IAED,CAACb,UAAD,IAAeE,kBAAkB,IAAI,CAFxC,EAE4C;AAC1C;AACA;AACA;AACAC,iCAA2B,GAAGD,kBAAkB,GAAG,CAAnD;AACD,KAPD,MAOO;AACL;AACA;AACA,UAAIF,UAAU,IAAIA,UAAU,CAACa,OAAX,CAAmB,WAAnB,MAAoC,CAAC,CAAnD,KAA0DX,kBAAkB,IAAI,CAAtB,IAA2BE,gBAAgB,KAAK,CAAjD,IACvD,WAAWO,IAAX,CAAgBN,SAAhB,CADF,KAED,CAACL,UAAD,IAAeI,gBAAgB,KAAK,CAFvC,EAE2C;AACzCH,sBAAc,GAAG,CAAjB;AACAnC,cAAM,GAAG,IAAI8C,KAAJ,CAAU,CAAV,CAAT;AACD;;AACDT,iCAA2B,GAAGD,kBAA9B;AACD;AACF;AACD;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAiCA;;;AACApC,QAAM,CAAC,CAAD,CAAN,GAAYmC,cAAc,IAAI,CAA9B,CA1GkE,CA2GlE;;AACAnC,QAAM,CAAC,CAAD,CAAN,IAAa,CAACoC,kBAAkB,GAAG,IAAtB,KAA+B,CAA5C;AACApC,QAAM,CAAC,CAAD,CAAN,IAAa,CAACoC,kBAAkB,GAAG,IAAtB,KAA+B,CAA5C,CA7GkE,CA8GlE;;AACApC,QAAM,CAAC,CAAD,CAAN,IAAasC,gBAAgB,IAAI,CAAjC;;AACA,MAAIH,cAAc,KAAK,CAAvB,EAA0B;AACxB;AACAnC,UAAM,CAAC,CAAD,CAAN,IAAa,CAACqC,2BAA2B,GAAG,IAA/B,KAAwC,CAArD;AACArC,UAAM,CAAC,CAAD,CAAN,GAAY,CAACqC,2BAA2B,GAAG,IAA/B,KAAwC,CAApD,CAHwB,CAIxB;AACA;;AACArC,UAAM,CAAC,CAAD,CAAN,IAAa,KAAK,CAAlB;AACAA,UAAM,CAAC,CAAD,CAAN,GAAY,CAAZ;AACD;;AACD,SAAO;AAAEA,UAAM,EAAEA,MAAV;AAAkBgD,cAAU,EAAEL,kBAAkB,CAACP,kBAAD,CAAhD;AAAsEa,gBAAY,EAAEX,gBAApF;AAAsGY,SAAK,EAAG,aAAaf,cAA3H;AAA4IO,iBAAa,EAAEA;AAA3J,GAAP;AACD;AAEM,SAASS,eAAT,CAA0B7I,IAA1B,EAAgC8C,MAAhC,EAAwC;AAC7C,SAAO9C,IAAI,CAAC8C,MAAD,CAAJ,KAAiB,IAAjB,IAAyB,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,IAA9D;AACD;AAEM,SAASgG,eAAT,CAA0B9I,IAA1B,EAAgC8C,MAAhC,EAAwC;AAC7C,SAAQ9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAnB,GAA0B,CAA1B,GAA8B,CAAtC;AACD;AAEM,SAASiG,kBAAT,CAA6B/I,IAA7B,EAAmC8C,MAAnC,EAA2C;AAChD,SAAQ,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,EAA9B,GACJ9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CADhB,GAEJ,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,CAFjC;AAGD;AAEM,SAASkG,QAAT,CAAmBhJ,IAAnB,EAAyB8C,MAAzB,EAAiC;AACtC;AACA;AACA;AACA,MAAIA,MAAM,GAAG,CAAT,GAAa9C,IAAI,CAAC+C,MAAlB,IAA4B8F,eAAe,CAAC7I,IAAD,EAAO8C,MAAP,CAA/C,EAA+D;AAC7D,WAAO,IAAP;AACD;;AAED,SAAO,KAAP;AACD;AAEM,SAASmG,UAAT,CAAgBjJ,IAAhB,EAAsB8C,MAAtB,EAA8B;AACnC;AACA;AACA,MAAIkG,QAAQ,CAAChJ,IAAD,EAAO8C,MAAP,CAAZ,EAA4B;AAC1B;AACA,QAAIoG,YAAY,GAAGJ,eAAe,CAAC9I,IAAD,EAAO8C,MAAP,CAAlC,CAF0B,CAG1B;;AACA,QAAIqG,WAAW,GAAGD,YAAlB;;AACA,QAAIpG,MAAM,GAAG,CAAT,GAAa9C,IAAI,CAAC+C,MAAtB,EAA8B;AAC5BoG,iBAAW,GAAGJ,kBAAkB,CAAC/I,IAAD,EAAO8C,MAAP,CAAhC;AACD;;AAED,QAAIsG,SAAS,GAAGtG,MAAM,GAAGqG,WAAzB;;AACA,QAAIC,SAAS,KAAKpJ,IAAI,CAAC+C,MAAnB,IAA8BqG,SAAS,GAAG,CAAZ,GAAgBpJ,IAAI,CAAC+C,MAArB,IAA+B8F,eAAe,CAAC7I,IAAD,EAAOoJ,SAAP,CAAhF,EAAoG;AAClG,aAAO,IAAP;AACD;AACF;;AACD,SAAO,KAAP;AACD;AAEM,SAASC,eAAT,CAA0BC,KAA1B,EAAiC7D,QAAjC,EAA2CzF,IAA3C,EAAiD8C,MAAjD,EAAyD8E,UAAzD,EAAqE;AAC1E,MAAI,CAAC0B,KAAK,CAACZ,UAAX,EAAuB;AACrB,QAAIhD,MAAM,GAAGiC,cAAc,CAAClC,QAAD,EAAWzF,IAAX,EAAiB8C,MAAjB,EAAyB8E,UAAzB,CAA3B;AACA0B,SAAK,CAAC5D,MAAN,GAAeA,MAAM,CAACA,MAAtB;AACA4D,SAAK,CAACZ,UAAN,GAAmBhD,MAAM,CAACgD,UAA1B;AACAY,SAAK,CAACX,YAAN,GAAqBjD,MAAM,CAACiD,YAA5B;AACAW,SAAK,CAACV,KAAN,GAAclD,MAAM,CAACkD,KAArB;AACAU,SAAK,CAAClB,aAAN,GAAsB1C,MAAM,CAAC0C,aAA7B;AACAhC,oBAAM,CAACC,GAAP,mBAA2BiD,KAAK,CAACV,KAAjC,cAA+ClD,MAAM,CAACgD,UAAtD,oBAA+EhD,MAAM,CAACiD,YAAtF;AACD;AACF;AAEM,SAASY,gBAAT,CAA2Bb,UAA3B,EAAuC;AAC5C,SAAO,OAAO,KAAP,GAAeA,UAAtB;AACD;AAEM,SAASc,gBAAT,CAA2BxJ,IAA3B,EAAiC8C,MAAjC,EAAyC2G,GAAzC,EAA8CC,UAA9C,EAA0DC,aAA1D,EAAyE;AAC9E,MAAIT,YAAJ,EAAkBC,WAAlB,EAA+BS,KAA/B;AACA,MAAI7G,MAAM,GAAG/C,IAAI,CAAC+C,MAAlB,CAF8E,CAI9E;;AACAmG,cAAY,GAAGJ,eAAe,CAAC9I,IAAD,EAAO8C,MAAP,CAA9B,CAL8E,CAM9E;;AACAqG,aAAW,GAAGJ,kBAAkB,CAAC/I,IAAD,EAAO8C,MAAP,CAAhC;AACAqG,aAAW,IAAID,YAAf;;AAEA,MAAKC,WAAW,GAAG,CAAf,IAAuBrG,MAAM,GAAGoG,YAAT,GAAwBC,WAAzB,IAAyCpG,MAAnE,EAA4E;AAC1E6G,SAAK,GAAGH,GAAG,GAAGC,UAAU,GAAGC,aAA3B,CAD0E,CAE1E;;AACA,WAAO;AAAET,kBAAY,EAAZA,YAAF;AAAgBC,iBAAW,EAAXA,WAAhB;AAA6BS,WAAK,EAALA;AAA7B,KAAP;AACD;;AAED,SAAOvE,SAAP;AACD;AAEM,SAASwE,WAAT,CAAsBP,KAAtB,EAA6BtJ,IAA7B,EAAmC8C,MAAnC,EAA2C2G,GAA3C,EAAgDC,UAAhD,EAA4D;AACjE,MAAIC,aAAa,GAAGJ,gBAAgB,CAACD,KAAK,CAACZ,UAAP,CAApC;AACA,MAAIoB,MAAM,GAAGN,gBAAgB,CAACxJ,IAAD,EAAO8C,MAAP,EAAe2G,GAAf,EAAoBC,UAApB,EAAgCC,aAAhC,CAA7B;;AACA,MAAIG,MAAJ,EAAY;AACV,QAAIF,KAAK,GAAGE,MAAM,CAACF,KAAnB;AACA,QAAIV,YAAY,GAAGY,MAAM,CAACZ,YAA1B;AACA,QAAIC,WAAW,GAAGW,MAAM,CAACX,WAAzB,CAHU,CAKV;;AACA,QAAIY,SAAS,GAAG;AACdC,UAAI,EAAEhK,IAAI,CAACiK,QAAL,CAAcnH,MAAM,GAAGoG,YAAvB,EAAqCpG,MAAM,GAAGoG,YAAT,GAAwBC,WAA7D,CADQ;AAEdM,SAAG,EAAEG,KAFS;AAGdM,SAAG,EAAEN;AAHS,KAAhB;AAMAN,SAAK,CAACa,OAAN,CAAcC,IAAd,CAAmBL,SAAnB;AACA,WAAO;AAAEM,YAAM,EAAEN,SAAV;AAAqBhH,YAAM,EAAEoG,WAAW,GAAGD;AAA3C,KAAP;AACD;;AAED,SAAO7D,SAAP;AACD,C;;;;;;;AC3OD;;;AAGA;AACA;AACA;;IAEMiF,qB;;;AACJ,sBAAa7E,QAAb,EAAuB8E,OAAvB,EAAgC7E,MAAhC,EAAwC;AACtC,SAAKD,QAAL,GAAgBA,QAAhB;AACA,SAAKC,MAAL,GAAcA,MAAd;AACA,SAAK6E,OAAL,GAAeA,OAAf;AACD;;;;SAEDC,gB,GAAA,0BAAkBC,WAAlB,EAA+B7C,UAA/B,EAA2C8C,UAA3C,EAAuDC,QAAvD,EAAiE;AAC/D,SAAKC,WAAL,GAAmB;AAAEC,eAAS,EAAE,YAAb;AAA2B1D,UAAI,EAAE,OAAjC;AAA0C2D,QAAE,EAAE,CAA9C;AAAiDC,oBAAc,EAAE,CAAjE;AAAoEC,WAAK,EAAE,IAA3E;AAAiFb,aAAO,EAAE,EAA1F;AAA8Fc,SAAG,EAAE,CAAnG;AAAsG7C,mBAAa,EAAER,UAArH;AAAiI+C,cAAQ,EAAEA,QAA3I;AAAqJO,oBAAc,EAAE;AAArK,KAAnB;AACD,G;;SAEDC,c,GAAA,0BAAkB,CACjB,C;;aAEMlC,K,GAAP,eAAcjJ,IAAd,EAAoB;AAClB,QAAI,CAACA,IAAL,EAAW;AACT,aAAO,KAAP;AACD,KAHiB,CAKlB;AACA;AACA;AACA;;;AACA,QAAMoL,OAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB,CAArB,KAA2B,EAA3C;AACA,QAAI8C,MAAM,GAAGsI,OAAO,CAACrI,MAArB;;AAEA,SAAK,IAAIA,MAAM,GAAG/C,IAAI,CAAC+C,MAAvB,EAA+BD,MAAM,GAAGC,MAAxC,EAAgDD,MAAM,EAAtD,EAA0D;AACxD,UAAIyI,UAAA,CAAWvL,IAAX,EAAiB8C,MAAjB,CAAJ,EAA8B;AAC5BsD,wBAAM,CAACC,GAAP,CAAW,wBAAX;AACA,eAAO,IAAP;AACD;AACF;;AACD,WAAO,KAAP;AACD,G,CAED;;;SACAmF,M,GAAA,gBAAQxL,IAAR,EAAcyL,UAAd,EAA0BC,UAA1B,EAAsCC,kBAAtC,EAA0D;AACxD,QAAIrC,KAAK,GAAG,KAAKsB,WAAjB;AACA,QAAIQ,OAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB,CAArB,KAA2B,EAAzC;AACA,QAAI4L,SAAS,GAAGP,cAAG,CAACQ,YAAJ,CAAiBT,OAAjB,CAAhB;AACA,QAAI3B,GAAG,GAAG,0CAAgBmC,SAAhB,IAA6BA,SAAS,GAAG,EAAzC,GAA8CH,UAAU,GAAG,KAArE;AACA,QAAI/B,UAAU,GAAG,CAAjB;AACA,QAAIE,KAAK,GAAGH,GAAZ;AACA,QAAI1G,MAAM,GAAG/C,IAAI,CAAC+C,MAAlB;AACA,QAAID,MAAM,GAAGsI,OAAO,CAACrI,MAArB;AAEA,QAAI+I,UAAU,GAAG,CAAC;AAAErC,SAAG,EAAEG,KAAP;AAAcM,SAAG,EAAEN,KAAnB;AAA0B5J,UAAI,EAAEoL;AAAhC,KAAD,CAAjB;;AAEA,WAAOtI,MAAM,GAAGC,MAAM,GAAG,CAAzB,EAA4B;AAC1B,UAAIwI,QAAA,CAAcvL,IAAd,EAAoB8C,MAApB,KAAgCA,MAAM,GAAG,CAAV,GAAeC,MAAlD,EAA0D;AACxDwI,uBAAA,CAAqBjC,KAArB,EAA4B,KAAK7D,QAAjC,EAA2CzF,IAA3C,EAAiD8C,MAAjD,EAAyDwG,KAAK,CAAClB,aAA/D;AACA,YAAI2D,KAAK,GAAGR,WAAA,CAAiBjC,KAAjB,EAAwBtJ,IAAxB,EAA8B8C,MAA9B,EAAsC2G,GAAtC,EAA2CC,UAA3C,CAAZ;;AACA,YAAIqC,KAAJ,EAAW;AACTjJ,gBAAM,IAAIiJ,KAAK,CAAChJ,MAAhB;AACA6G,eAAK,GAAGmC,KAAK,CAAC1B,MAAN,CAAaZ,GAArB;AACAC,oBAAU;AACX,SAJD,MAIO;AACLtD,0BAAM,CAACC,GAAP,CAAW,2BAAX;AACA;AACD;AACF,OAXD,MAWO,IAAIgF,cAAG,CAACrC,QAAJ,CAAahJ,IAAb,EAAmB8C,MAAnB,CAAJ,EAAgC;AACrCsI,eAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB8C,MAArB,CAAV;AACAgJ,kBAAU,CAAC1B,IAAX,CAAgB;AAAEX,aAAG,EAAEG,KAAP;AAAcM,aAAG,EAAEN,KAAnB;AAA0B5J,cAAI,EAAEoL;AAAhC,SAAhB;AACAtI,cAAM,IAAIsI,OAAO,CAACrI,MAAlB;AACD,OAJM,MAIA;AACL;AACAD,cAAM;AACP;AACF;;AAED,SAAKyH,OAAL,CAAayB,KAAb,CAAmB1C,KAAnB,EACE;AAAEa,aAAO,EAAE;AAAX,KADF,EAEE;AAAEA,aAAO,EAAE2B,UAAX;AAAuBZ,oBAAc,EAAE;AAAvC,KAFF,EAGE;AAAEf,aAAO,EAAE;AAAX,KAHF,EAIEsB,UAJF,EAKEC,UALF,EAMEC,kBANF;AAOD,G;;SAEDvG,O,GAAA,mBAAW,CACV,C;;;;;AAGYkF,oEAAf,E;;;;;AC1FA;;;AAIA,IAAM2B,SAAS,GAAG;AAEhBC,aAAW,EAAE,CACX,EADW,EACP,EADO,EACH,EADG,EACC,GADD,EACM,GADN,EACW,GADX,EACgB,GADhB,EACqB,GADrB,EAC0B,GAD1B,EAC+B,GAD/B,EACoC,GADpC,EACyC,GADzC,EAC8C,GAD9C,EACmD,GADnD,EAEX,EAFW,EAEP,EAFO,EAEH,EAFG,EAEC,EAFD,EAEK,EAFL,EAES,EAFT,EAEa,GAFb,EAEkB,GAFlB,EAEuB,GAFvB,EAE4B,GAF5B,EAEiC,GAFjC,EAEsC,GAFtC,EAE2C,GAF3C,EAEgD,GAFhD,EAGX,EAHW,EAGP,EAHO,EAGH,EAHG,EAGC,EAHD,EAGK,EAHL,EAGS,EAHT,EAGa,EAHb,EAGiB,GAHjB,EAGsB,GAHtB,EAG2B,GAH3B,EAGgC,GAHhC,EAGqC,GAHrC,EAG0C,GAH1C,EAG+C,GAH/C,EAIX,EAJW,EAIP,EAJO,EAIH,EAJG,EAIC,EAJD,EAIK,EAJL,EAIS,EAJT,EAIa,GAJb,EAIkB,GAJlB,EAIuB,GAJvB,EAI4B,GAJ5B,EAIiC,GAJjC,EAIsC,GAJtC,EAI2C,GAJ3C,EAIgD,GAJhD,EAKX,CALW,EAKR,EALQ,EAKJ,EALI,EAKA,EALA,EAKI,EALJ,EAKQ,EALR,EAKY,EALZ,EAKgB,EALhB,EAKoB,EALpB,EAKwB,EALxB,EAK4B,GAL5B,EAKiC,GALjC,EAKsC,GALtC,EAK2C,GAL3C,CAFG;AAShBC,iBAAe,EAAE,CAAC,KAAD,EAAQ,KAAR,EAAe,KAAf,EAAsB,KAAtB,EAA6B,KAA7B,EAAoC,KAApC,EAA2C,KAA3C,EAAkD,KAAlD,EAAyD,IAAzD,CATD;AAWhBC,qBAAmB,EAAE,CACnB;AACA,GACE,CADF,EACK;AACH,IAFF,EAEM;AACJ,KAHF,EAGO;AACL,IAJF,CAIK;AAJL,GAFmB,EAQnB;AACA,GACE,CADF,EACK;AACH,GAFF,EAEK;AACH,GAHF,EAGK;AACH,GAJF,CAII;AAJJ,GATmB,EAenB;AACA,GACE,CADF,EACK;AACH,IAFF,EAEM;AACJ,KAHF,EAGO;AACL,IAJF,CAIK;AAJL,GAhBmB,EAsBnB;AACA,GACE,CADF,EACK;AACH,KAFF,EAEO;AACL,KAHF,EAGO;AACL,IAJF,CAIK;AAJL,GAvBmB,CAXL;AA0ChBC,aAAW,EAAE,CACX,CADW,EACR;AACH,GAFW,EAER;AACH,GAHW,EAGR;AACH,GAJW,CAIT;AAJS,GA1CG;AAiDhBxC,aAAW,EAAE,qBAAUP,KAAV,EAAiBtJ,IAAjB,EAAuB8C,MAAvB,EAA+B2G,GAA/B,EAAoCC,UAApC,EAAgD;AAC3D;AACA,QAAI5G,MAAM,GAAG,EAAT,GAAc9C,IAAI,CAAC+C,MAAvB,EAA+B;AAC7B,aAAOsC,SAAP;AACD;;AAED,QAAIyE,MAAM,GAAG,KAAKwC,WAAL,CAAiBtM,IAAjB,EAAuB8C,MAAvB,CAAb;;AACA,QAAIgH,MAAM,IAAIhH,MAAM,GAAGgH,MAAM,CAACX,WAAhB,IAA+BnJ,IAAI,CAAC+C,MAAlD,EAA0D;AACxD,UAAI4G,aAAa,GAAGG,MAAM,CAACyC,eAAP,GAAyB,KAAzB,GAAiCzC,MAAM,CAAC0C,UAA5D;AACA,UAAI5C,KAAK,GAAGH,GAAG,GAAGC,UAAU,GAAGC,aAA/B;AACA,UAAIU,MAAM,GAAG;AAAEL,YAAI,EAAEhK,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBA,MAAM,GAAGgH,MAAM,CAACX,WAAtC,CAAR;AAA4DM,WAAG,EAAEG,KAAjE;AAAwEM,WAAG,EAAEN;AAA7E,OAAb;AAEAN,WAAK,CAAC5D,MAAN,GAAe,EAAf;AACA4D,WAAK,CAACX,YAAN,GAAqBmB,MAAM,CAACnB,YAA5B;AACAW,WAAK,CAACZ,UAAN,GAAmBoB,MAAM,CAAC0C,UAA1B;AACAlD,WAAK,CAACa,OAAN,CAAcC,IAAd,CAAmBC,MAAnB;AAEA,aAAO;AAAEA,cAAM,EAANA,MAAF;AAAUtH,cAAM,EAAE+G,MAAM,CAACX;AAAzB,OAAP;AACD;;AAED,WAAO9D,SAAP;AACD,GAtEe;AAwEhBiH,aAAW,EAAE,qBAAUtM,IAAV,EAAgB8C,MAAhB,EAAwB;AACnC,QAAI2J,OAAO,GAAIzM,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAArB,GAA0B,CAAxC;AACA,QAAI4J,OAAO,GAAI1M,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAArB,GAA0B,CAAxC;AACA,QAAI6J,OAAO,GAAI3M,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAArB,GAA0B,EAAxC;AACA,QAAI8J,OAAO,GAAI5M,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAArB,GAA0B,CAAxC;AACA,QAAI+J,OAAO,GAAI7M,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAArB,GAA0B,CAAxC;;AACA,QAAI2J,OAAO,KAAK,CAAZ,IAAiBE,OAAO,KAAK,CAA7B,IAAkCA,OAAO,KAAK,EAA9C,IAAoDC,OAAO,KAAK,CAApE,EAAuE;AACrE,UAAIE,gBAAgB,GAAGL,OAAO,KAAK,CAAZ,GAAiB,IAAIC,OAArB,GAAiCA,OAAO,KAAK,CAAZ,GAAgB,CAAhB,GAAoB,CAA5E;AACA,UAAIK,OAAO,GAAGd,SAAS,CAACC,WAAV,CAAsBY,gBAAgB,GAAG,EAAnB,GAAwBH,OAAxB,GAAkC,CAAxD,IAA6D,IAA3E;AACA,UAAIK,mBAAmB,GAAGP,OAAO,KAAK,CAAZ,GAAgB,CAAhB,GAAoBA,OAAO,KAAK,CAAZ,GAAgB,CAAhB,GAAoB,CAAlE;AACA,UAAID,UAAU,GAAGP,SAAS,CAACE,eAAV,CAA0Ba,mBAAmB,GAAG,CAAtB,GAA0BJ,OAApD,CAAjB;AACA,UAAIjE,YAAY,GAAG3I,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,IAAoB,CAApB,KAA0B,CAA1B,GAA8B,CAA9B,GAAkC,CAArD,CALqE,CAKb;;AACxD,UAAImK,iBAAiB,GAAGhB,SAAS,CAACG,mBAAV,CAA8BK,OAA9B,EAAuCC,OAAvC,CAAxB;AACA,UAAIQ,WAAW,GAAGjB,SAAS,CAACI,WAAV,CAAsBK,OAAtB,CAAlB;AACA,UAAIH,eAAe,GAAGU,iBAAiB,GAAG,CAApB,GAAwBC,WAA9C;AACA,UAAI/D,WAAW,GAAGgE,QAAQ,CAACF,iBAAiB,GAAGF,OAApB,GAA8BP,UAA9B,GAA2CK,OAA5C,EAAqD,EAArD,CAAR,GAAmEK,WAArF;AAEA,aAAO;AAAEV,kBAAU,EAAVA,UAAF;AAAc7D,oBAAY,EAAZA,YAAd;AAA4BQ,mBAAW,EAAXA,WAA5B;AAAyCoD,uBAAe,EAAfA;AAAzC,OAAP;AACD;;AAED,WAAOlH,SAAP;AACD,GA7Fe;AA+FhBwD,iBAAe,EAAE,yBAAU7I,IAAV,EAAgB8C,MAAhB,EAAwB;AACvC,WAAO9C,IAAI,CAAC8C,MAAD,CAAJ,KAAiB,IAAjB,IAAyB,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,IAAvD,IAA+D,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,MAA8B,IAApG;AACD,GAjGe;AAmGhBkG,UAAQ,EAAE,kBAAUhJ,IAAV,EAAgB8C,MAAhB,EAAwB;AAChC;AACA;AACA;AACA,QAAIA,MAAM,GAAG,CAAT,GAAa9C,IAAI,CAAC+C,MAAlB,IAA4B,KAAK8F,eAAL,CAAqB7I,IAArB,EAA2B8C,MAA3B,CAAhC,EAAoE;AAClE,aAAO,IAAP;AACD;;AAED,WAAO,KAAP;AACD,GA5Ge;AA8GhBmG,OAAK,EAAE,eAAUjJ,IAAV,EAAgB8C,MAAhB,EAAwB;AAC7B;AACA;AACA,QAAIA,MAAM,GAAG,CAAT,GAAa9C,IAAI,CAAC+C,MAAlB,IAA4B,KAAK8F,eAAL,CAAqB7I,IAArB,EAA2B8C,MAA3B,CAAhC,EAAoE;AAClE;AACA,UAAIoG,YAAY,GAAG,CAAnB,CAFkE,CAGlE;;AACA,UAAIY,MAAM,GAAG,KAAKwC,WAAL,CAAiBtM,IAAjB,EAAuB8C,MAAvB,CAAb;AACA,UAAIqG,WAAW,GAAGD,YAAlB;;AACA,UAAIY,MAAM,IAAIA,MAAM,CAACX,WAArB,EAAkC;AAChCA,mBAAW,GAAGW,MAAM,CAACX,WAArB;AACD;;AAED,UAAIC,SAAS,GAAGtG,MAAM,GAAGqG,WAAzB;;AACA,UAAIC,SAAS,KAAKpJ,IAAI,CAAC+C,MAAnB,IAA8BqG,SAAS,GAAG,CAAZ,GAAgBpJ,IAAI,CAAC+C,MAArB,IAA+B,KAAK8F,eAAL,CAAqB7I,IAArB,EAA2BoJ,SAA3B,CAAjE,EAAyG;AACvG,eAAO,IAAP;AACD;AACF;;AACD,WAAO,KAAP;AACD;AAjIe,CAAlB;AAoIe6C,uDAAf,E;;ACxIA;;;AAIA;;IAEMmB,oB;;;AACJ,qBAAapN,IAAb,EAAmB;AACjB,SAAKA,IAAL,GAAYA,IAAZ,CADiB,CAEjB;;AACA,SAAKqN,cAAL,GAAsBrN,IAAI,CAACS,UAA3B,CAHiB,CAIjB;;AACA,SAAKiD,IAAL,GAAY,CAAZ,CALiB,CAKF;AACf;;AACA,SAAK4J,aAAL,GAAqB,CAArB,CAPiB,CAOO;AACzB,G,CAED;;;;;SACAC,Q,GAAA,oBAAY;AACV,QACEvN,IAAI,GAAG,KAAKA,IADd;AAAA,QAEEqN,cAAc,GAAG,KAAKA,cAFxB;AAAA,QAGEG,QAAQ,GAAGxN,IAAI,CAACS,UAAL,GAAkB4M,cAH/B;AAAA,QAIEI,YAAY,GAAG,IAAIC,UAAJ,CAAe,CAAf,CAJjB;AAAA,QAKEC,cAAc,GAAGC,IAAI,CAACC,GAAL,CAAS,CAAT,EAAYR,cAAZ,CALnB;;AAMA,QAAIM,cAAc,KAAK,CAAvB,EAA0B;AACxB,YAAM,IAAI1K,KAAJ,CAAU,oBAAV,CAAN;AACD;;AAEDwK,gBAAY,CAACK,GAAb,CAAiB9N,IAAI,CAACiK,QAAL,CAAcuD,QAAd,EAAwBA,QAAQ,GAAGG,cAAnC,CAAjB;AACA,SAAKjK,IAAL,GAAY,IAAI/C,QAAJ,CAAa8M,YAAY,CAAClN,MAA1B,EAAkCoB,SAAlC,CAA4C,CAA5C,CAAZ,CAZU,CAaV;;AACA,SAAK2L,aAAL,GAAqBK,cAAc,GAAG,CAAtC;AACA,SAAKN,cAAL,IAAuBM,cAAvB;AACD,G,CAED;;;SACAI,Q,GAAA,kBAAUC,KAAV,EAAiB;AACf,QAAIC,SAAJ,CADe,CACA;;AACf,QAAI,KAAKX,aAAL,GAAqBU,KAAzB,EAAgC;AAC9B,WAAKtK,IAAL,KAAcsK,KAAd;AACA,WAAKV,aAAL,IAAsBU,KAAtB;AACD,KAHD,MAGO;AACLA,WAAK,IAAI,KAAKV,aAAd;AACAW,eAAS,GAAGD,KAAK,IAAI,CAArB;AACAA,WAAK,IAAKC,SAAS,IAAI,CAAvB;AACA,WAAKZ,cAAL,IAAuBY,SAAvB;AACA,WAAKV,QAAL;AACA,WAAK7J,IAAL,KAAcsK,KAAd;AACA,WAAKV,aAAL,IAAsBU,KAAtB;AACD;AACF,G,CAED;;;SACAE,Q,GAAA,kBAAUC,IAAV,EAAgB;AACd,QACEC,IAAI,GAAGR,IAAI,CAACC,GAAL,CAAS,KAAKP,aAAd,EAA6Ba,IAA7B,CADT;AAAA,QAC6C;AAC3CE,QAAI,GAAG,KAAK3K,IAAL,KAAe,KAAK0K,IAF7B,CADc,CAGsB;;AACpC,QAAID,IAAI,GAAG,EAAX,EAAe;AACb/H,sBAAM,CAACU,KAAP,CAAa,yCAAb;AACD;;AAED,SAAKwG,aAAL,IAAsBc,IAAtB;;AACA,QAAI,KAAKd,aAAL,GAAqB,CAAzB,EAA4B;AAC1B,WAAK5J,IAAL,KAAc0K,IAAd;AACD,KAFD,MAEO,IAAI,KAAKf,cAAL,GAAsB,CAA1B,EAA6B;AAClC,WAAKE,QAAL;AACD;;AAEDa,QAAI,GAAGD,IAAI,GAAGC,IAAd;;AACA,QAAIA,IAAI,GAAG,CAAP,IAAY,KAAKd,aAArB,EAAoC;AAClC,aAAOe,IAAI,IAAID,IAAR,GAAe,KAAKF,QAAL,CAAcE,IAAd,CAAtB;AACD,KAFD,MAEO;AACL,aAAOC,IAAP;AACD;AACF,G,CAED;;;SACAC,M,GAAA,kBAAU;AACR,QAAIC,gBAAJ,CADQ,CACc;;AACtB,SAAKA,gBAAgB,GAAG,CAAxB,EAA2BA,gBAAgB,GAAG,KAAKjB,aAAnD,EAAkE,EAAEiB,gBAApE,EAAsF;AACpF,UAAI,CAAC,KAAK7K,IAAL,GAAa,eAAe6K,gBAA7B,MAAoD,CAAxD,EAA2D;AACzD;AACA,aAAK7K,IAAL,KAAc6K,gBAAd;AACA,aAAKjB,aAAL,IAAsBiB,gBAAtB;AACA,eAAOA,gBAAP;AACD;AACF,KATO,CAUR;;;AACA,SAAKhB,QAAL;AACA,WAAOgB,gBAAgB,GAAG,KAAKD,MAAL,EAA1B;AACD,G,CAED;;;SACAE,O,GAAA,mBAAW;AACT,SAAKT,QAAL,CAAc,IAAI,KAAKO,MAAL,EAAlB;AACD,G,CAED;;;SACAG,M,GAAA,kBAAU;AACR,SAAKV,QAAL,CAAc,IAAI,KAAKO,MAAL,EAAlB;AACD,G,CAED;;;SACAI,O,GAAA,mBAAW;AACT,QAAIC,GAAG,GAAG,KAAKL,MAAL,EAAV,CADS,CACgB;;AACzB,WAAO,KAAKJ,QAAL,CAAcS,GAAG,GAAG,CAApB,IAAyB,CAAhC;AACD,G,CAED;;;SACAC,M,GAAA,kBAAU;AACR,QAAIP,IAAI,GAAG,KAAKK,OAAL,EAAX,CADQ,CACmB;;AAC3B,QAAI,OAAOL,IAAX,EAAiB;AACf;AACA,aAAQ,IAAIA,IAAL,KAAe,CAAtB,CAFe,CAEU;AAC1B,KAHD,MAGO;AACL,aAAO,CAAC,CAAD,IAAMA,IAAI,KAAK,CAAf,CAAP,CADK,CACqB;AAC3B;AACF,G,CAED;AACA;;;SACAQ,W,GAAA,uBAAe;AACb,WAAO,KAAKX,QAAL,CAAc,CAAd,MAAqB,CAA5B;AACD,G,CAED;;;SACAY,S,GAAA,qBAAa;AACX,WAAO,KAAKZ,QAAL,CAAc,CAAd,CAAP;AACD,G,CAED;;;SACAa,U,GAAA,sBAAc;AACZ,WAAO,KAAKb,QAAL,CAAc,EAAd,CAAP;AACD,G,CACD;;;SACAc,Q,GAAA,oBAAY;AACV,WAAO,KAAKd,QAAL,CAAc,EAAd,CAAP;AACD;AAED;;;;;;;;;SAOAe,e,GAAA,yBAAiBjB,KAAjB,EAAwB;AACtB,QACEkB,SAAS,GAAG,CADd;AAAA,QAEEC,SAAS,GAAG,CAFd;AAAA,QAGEC,CAHF;AAAA,QAIEC,UAJF;;AAKA,SAAKD,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGpB,KAAhB,EAAuBoB,CAAC,EAAxB,EAA4B;AAC1B,UAAID,SAAS,KAAK,CAAlB,EAAqB;AACnBE,kBAAU,GAAG,KAAKT,MAAL,EAAb;AACAO,iBAAS,GAAG,CAACD,SAAS,GAAGG,UAAZ,GAAyB,GAA1B,IAAiC,GAA7C;AACD;;AACDH,eAAS,GAAIC,SAAS,KAAK,CAAf,GAAoBD,SAApB,GAAgCC,SAA5C;AACD;AACF;AAED;;;;;;;;;;;SASAG,O,GAAA,mBAAW;AACT,QACEC,mBAAmB,GAAG,CADxB;AAAA,QAEEC,oBAAoB,GAAG,CAFzB;AAAA,QAGEC,kBAAkB,GAAG,CAHvB;AAAA,QAIEC,qBAAqB,GAAG,CAJ1B;AAAA,QAKEC,UALF;AAAA,QAKcC,aALd;AAAA,QAK6BC,QAL7B;AAAA,QAMEC,8BANF;AAAA,QAMkCC,mBANlC;AAAA,QAOEC,yBAPF;AAAA,QAQEC,gBARF;AAAA,QASEC,gBATF;AAAA,QAUExO,CAVF;AAAA,QAWEoN,SAAS,GAAG,KAAKA,SAAL,CAAeqB,IAAf,CAAoB,IAApB,CAXd;AAAA,QAYEjC,QAAQ,GAAG,KAAKA,QAAL,CAAciC,IAAd,CAAmB,IAAnB,CAZb;AAAA,QAaEzB,OAAO,GAAG,KAAKA,OAAL,CAAayB,IAAb,CAAkB,IAAlB,CAbZ;AAAA,QAcEtB,WAAW,GAAG,KAAKA,WAAL,CAAiBsB,IAAjB,CAAsB,IAAtB,CAdhB;AAAA,QAeEpC,QAAQ,GAAG,KAAKA,QAAL,CAAcoC,IAAd,CAAmB,IAAnB,CAfb;AAAA,QAgBE1B,MAAM,GAAG,KAAKA,MAAL,CAAY0B,IAAZ,CAAiB,IAAjB,CAhBX;AAAA,QAiBE3B,OAAO,GAAG,KAAKA,OAAL,CAAa2B,IAAb,CAAkB,IAAlB,CAjBZ;AAAA,QAkBElB,eAAe,GAAG,KAAKA,eAAL,CAAqBkB,IAArB,CAA0B,IAA1B,CAlBpB;AAoBArB,aAAS;AACTa,cAAU,GAAGb,SAAS,EAAtB,CAtBS,CAsBiB;;AAC1Bc,iBAAa,GAAG1B,QAAQ,CAAC,CAAD,CAAxB,CAvBS,CAuBoB;;AAC7BH,YAAQ,CAAC,CAAD,CAAR,CAxBS,CAwBI;;AACb8B,YAAQ,GAAGf,SAAS,EAApB,CAzBS,CAyBe;;AACxBN,WAAO,GA1BE,CA0BE;AACX;;AACA,QAAImB,UAAU,KAAK,GAAf,IACAA,UAAU,KAAK,GADf,IAEAA,UAAU,KAAK,GAFf,IAGAA,UAAU,KAAK,GAHf,IAIAA,UAAU,KAAK,EAJf,IAKAA,UAAU,KAAK,EALf,IAMAA,UAAU,KAAK,EANf,IAOAA,UAAU,KAAK,GAPf,IAQAA,UAAU,KAAK,GARnB,EAQwB;AACtB,UAAIS,eAAe,GAAG1B,OAAO,EAA7B;;AACA,UAAI0B,eAAe,KAAK,CAAxB,EAA2B;AACzBrC,gBAAQ,CAAC,CAAD,CAAR;AACD,OAJqB,CAIpB;;;AAEFS,aAAO,GANe,CAMX;;AACXA,aAAO,GAPe,CAOX;;AACXT,cAAQ,CAAC,CAAD,CAAR,CARsB,CAQT;;AACb,UAAIc,WAAW,EAAf,EAAmB;AAAE;AACnBqB,wBAAgB,GAAIE,eAAe,KAAK,CAArB,GAA0B,CAA1B,GAA8B,EAAjD;;AACA,aAAK1O,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGwO,gBAAhB,EAAkCxO,CAAC,EAAnC,EAAuC;AACrC,cAAImN,WAAW,EAAf,EAAmB;AAAE;AACnB,gBAAInN,CAAC,GAAG,CAAR,EAAW;AACTuN,6BAAe,CAAC,EAAD,CAAf;AACD,aAFD,MAEO;AACLA,6BAAe,CAAC,EAAD,CAAf;AACD;AACF;AACF;AACF;AACF;;AACDT,WAAO,GA1DE,CA0DE;;AACX,QAAI6B,eAAe,GAAG3B,OAAO,EAA7B;;AACA,QAAI2B,eAAe,KAAK,CAAxB,EAA2B;AACzB3B,aAAO,GADkB,CACd;AACZ,KAFD,MAEO,IAAI2B,eAAe,KAAK,CAAxB,EAA2B;AAChCtC,cAAQ,CAAC,CAAD,CAAR,CADgC,CACnB;;AACbU,YAAM,GAF0B,CAEtB;;AACVA,YAAM,GAH0B,CAGtB;;AACVqB,oCAA8B,GAAGpB,OAAO,EAAxC;;AACA,WAAKhN,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGoO,8BAAhB,EAAgDpO,CAAC,EAAjD,EAAqD;AACnD+M,cAAM;AACP,OAP+B,CAO9B;;AACH;;AACDD,WAAO,GAvEE,CAuEE;;AACXT,YAAQ,CAAC,CAAD,CAAR,CAxES,CAwEI;;AACbgC,uBAAmB,GAAGrB,OAAO,EAA7B;AACAsB,6BAAyB,GAAGtB,OAAO,EAAnC;AACAuB,oBAAgB,GAAG/B,QAAQ,CAAC,CAAD,CAA3B;;AACA,QAAI+B,gBAAgB,KAAK,CAAzB,EAA4B;AAC1BlC,cAAQ,CAAC,CAAD,CAAR;AACD,KA9EQ,CA8EP;;;AAEFA,YAAQ,CAAC,CAAD,CAAR,CAhFS,CAgFI;;AACb,QAAIc,WAAW,EAAf,EAAmB;AAAE;AACnBU,yBAAmB,GAAGb,OAAO,EAA7B;AACAc,0BAAoB,GAAGd,OAAO,EAA9B;AACAe,wBAAkB,GAAGf,OAAO,EAA5B;AACAgB,2BAAqB,GAAGhB,OAAO,EAA/B;AACD;;AACD,QAAI4B,UAAU,GAAG,CAAC,CAAD,EAAI,CAAJ,CAAjB;;AACA,QAAIzB,WAAW,EAAf,EAAmB;AACjB;AACA,UAAIA,WAAW,EAAf,EAAmB;AACjB;AACA,YAAM0B,cAAc,GAAGzB,SAAS,EAAhC;;AACA,gBAAQyB,cAAR;AACA,eAAK,CAAL;AAAQD,sBAAU,GAAG,CAAC,CAAD,EAAI,CAAJ,CAAb;AAAqB;;AAC7B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,CAAL;AAAQA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAC/B,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAChC,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAChC,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,EAAD,EAAK,EAAL,CAAb;AAAuB;;AAChC,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,GAAD,EAAM,EAAN,CAAb;AAAwB;;AACjC,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,CAAD,EAAI,CAAJ,CAAb;AAAqB;;AAC9B,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,CAAD,EAAI,CAAJ,CAAb;AAAqB;;AAC9B,eAAK,EAAL;AAASA,sBAAU,GAAG,CAAC,CAAD,EAAI,CAAJ,CAAb;AAAqB;;AAC9B,eAAK,GAAL;AAAU;AACRA,wBAAU,GAAG,CAACxB,SAAS,MAAM,CAAf,GAAmBA,SAAS,EAA7B,EAAiCA,SAAS,MAAM,CAAf,GAAmBA,SAAS,EAA7D,CAAb;AACA;AACD;AApBD;AAsBD;AACF;;AACD,WAAO;AACL0B,WAAK,EAAE5C,IAAI,CAAC6C,IAAL,CAAY,CAACV,mBAAmB,GAAG,CAAvB,IAA4B,EAA7B,GAAmCR,mBAAmB,GAAG,CAAzD,GAA6DC,oBAAoB,GAAG,CAA/F,CADF;AAELkB,YAAM,EAAG,CAAC,IAAIT,gBAAL,KAA0BD,yBAAyB,GAAG,CAAtD,IAA2D,EAA5D,GAAmE,CAACC,gBAAgB,GAAG,CAAH,GAAO,CAAxB,KAA8BR,kBAAkB,GAAGC,qBAAnD,CAFtE;AAGLY,gBAAU,EAAEA;AAHP,KAAP;AAKD,G;;SAEDK,a,GAAA,yBAAiB;AACf;AACA,SAAK7B,SAAL,GAFe,CAGf;;AACA,SAAKJ,OAAL,GAJe,CAKf;;AACA,WAAO,KAAKA,OAAL,EAAP;AACD,G;;;;;AAGYtB,mEAAf,E;;ACjTA;;;AAIA;;IAEMwD,6B;;;AACJ,8BAAanL,QAAb,EAAuBC,MAAvB,EAA+BmL,WAA/B,EAA4CC,UAA5C,EAAwD;AACtD,SAAKD,WAAL,GAAmBA,WAAnB;AACA,SAAKC,UAAL,GAAkBA,UAAlB;AACA,SAAKC,SAAL,GAAiB,IAAIvL,eAAJ,CAAcC,QAAd,EAAwBC,MAAxB,EAAgC;AAAE9B,wBAAkB,EAAE;AAAtB,KAAhC,CAAjB;AACD;;;;SAEDoN,a,GAAA,uBAAeC,aAAf,EAA8B9K,QAA9B,EAAwC;AACtC,SAAK4K,SAAL,CAAehR,OAAf,CAAuBkR,aAAvB,EAAsC,KAAKJ,WAAL,CAAiB5Q,GAAjB,CAAqBM,MAA3D,EAAmE,KAAKsQ,WAAL,CAAiBhR,EAAjB,CAAoBU,MAAvF,EAA+F4F,QAA/F;AACD,G,CAED;;;SACA+K,gB,GAAA,0BAAkB/G,OAAlB,EAA2BgH,WAA3B,EAAwChL,QAAxC,EAAkDiL,IAAlD,EAAwD;AACtD,QAAIC,OAAO,GAAGlH,OAAO,CAACgH,WAAD,CAAP,CAAqBnH,IAAnC;AACA,QAAIiH,aAAa,GAAGI,OAAO,CAACpH,QAAR,CAAiB,EAAjB,EAAqBoH,OAAO,CAACtO,MAAR,GAAiBsO,OAAO,CAACtO,MAAR,GAAiB,EAAvD,CAApB;AACA,QAAIuO,eAAe,GAAGL,aAAa,CAAC1Q,MAAd,CAAqBM,KAArB,CACpBoQ,aAAa,CAACM,UADM,EAEpBN,aAAa,CAACM,UAAd,GAA2BN,aAAa,CAAClO,MAFrB,CAAtB;AAIA,QAAIyO,SAAS,GAAG,IAAhB;AACA,SAAKR,aAAL,CAAmBM,eAAnB,EAAoC,UAAUG,aAAV,EAAyB;AAC3DA,mBAAa,GAAG,IAAI/D,UAAJ,CAAe+D,aAAf,CAAhB;AACAJ,aAAO,CAACvD,GAAR,CAAY2D,aAAZ,EAA2B,EAA3B;;AAEA,UAAI,CAACL,IAAL,EAAW;AACTI,iBAAS,CAACE,iBAAV,CAA4BvH,OAA5B,EAAqCgH,WAAW,GAAG,CAAnD,EAAsDhL,QAAtD;AACD;AACF,KAPD;AAQD,G;;SAEDuL,iB,GAAA,2BAAmBvH,OAAnB,EAA4BgH,WAA5B,EAAyChL,QAAzC,EAAmD;AACjD,YAAQgL,WAAW,EAAnB,EAAuB;AACrB,UAAIA,WAAW,IAAIhH,OAAO,CAACpH,MAA3B,EAAmC;AACjCoD,gBAAQ;AACR;AACD;;AAED,UAAIgE,OAAO,CAACgH,WAAD,CAAP,CAAqBnH,IAArB,CAA0BjH,MAA1B,GAAmC,EAAvC,EAA2C;AACzC;AACD;;AAED,UAAIqO,IAAI,GAAG,KAAKL,SAAL,CAAe9K,MAAf,EAAX;AAEA,WAAKiL,gBAAL,CAAsB/G,OAAtB,EAA+BgH,WAA/B,EAA4ChL,QAA5C,EAAsDiL,IAAtD;;AAEA,UAAI,CAACA,IAAL,EAAW;AACT;AACD;AACF;AACF,G,CAED;;;SACAO,mB,GAAA,6BAAqBC,WAArB,EAAkC;AAChC,QAAIC,gBAAgB,GAAGjE,IAAI,CAACkE,KAAL,CAAW,CAACF,WAAW,CAAC7O,MAAZ,GAAqB,EAAtB,IAA4B,GAAvC,IAA8C,EAA9C,GAAmD,EAA1E;AACA,QAAIkO,aAAa,GAAG,IAAIc,SAAJ,CAAcF,gBAAd,CAApB;AACA,QAAIG,SAAS,GAAG,CAAhB;;AACA,SAAK,IAAIC,QAAQ,GAAG,EAApB,EAAwBA,QAAQ,IAAIL,WAAW,CAAC7O,MAAZ,GAAqB,EAAzD,EAA6DkP,QAAQ,IAAI,GAAZ,EAAiBD,SAAS,IAAI,EAA3F,EAA+F;AAC7Ff,mBAAa,CAACnD,GAAd,CAAkB8D,WAAW,CAAC3H,QAAZ,CAAqBgI,QAArB,EAA+BA,QAAQ,GAAG,EAA1C,CAAlB,EAAiED,SAAjE;AACD;;AAED,WAAOf,aAAP;AACD,G;;SAEDiB,mB,GAAA,6BAAqBN,WAArB,EAAkCH,aAAlC,EAAiD;AAC/CA,iBAAa,GAAG,IAAI/D,UAAJ,CAAe+D,aAAf,CAAhB;AACA,QAAIQ,QAAQ,GAAG,CAAf;;AACA,SAAK,IAAID,SAAS,GAAG,EAArB,EAAyBA,SAAS,IAAIJ,WAAW,CAAC7O,MAAZ,GAAqB,EAA3D,EAA+DiP,SAAS,IAAI,GAAb,EAAkBC,QAAQ,IAAI,EAA7F,EAAiG;AAC/FL,iBAAW,CAAC9D,GAAZ,CAAgB2D,aAAa,CAACxH,QAAd,CAAuBgI,QAAvB,EAAiCA,QAAQ,GAAG,EAA5C,CAAhB,EAAiED,SAAjE;AACD;;AAED,WAAOJ,WAAP;AACD,G;;SAEDO,gB,GAAA,0BAAkBhI,OAAlB,EAA2BgH,WAA3B,EAAwCiB,SAAxC,EAAmDjM,QAAnD,EAA6DkL,OAA7D,EAAsED,IAAtE,EAA4E;AAC1E,QAAIQ,WAAW,GAAG,KAAKd,UAAL,CAAgBO,OAAO,CAACrR,IAAxB,CAAlB;AACA,QAAIiR,aAAa,GAAG,KAAKU,mBAAL,CAAyBC,WAAzB,CAApB;AACA,QAAIJ,SAAS,GAAG,IAAhB;AAEA,SAAKR,aAAL,CAAmBC,aAAa,CAAC1Q,MAAjC,EAAyC,UAAUkR,aAAV,EAAyB;AAChEJ,aAAO,CAACrR,IAAR,GAAewR,SAAS,CAACU,mBAAV,CAA8BN,WAA9B,EAA2CH,aAA3C,CAAf;;AAEA,UAAI,CAACL,IAAL,EAAW;AACTI,iBAAS,CAACa,iBAAV,CAA4BlI,OAA5B,EAAqCgH,WAArC,EAAkDiB,SAAS,GAAG,CAA9D,EAAiEjM,QAAjE;AACD;AACF,KAND;AAOD,G;;SAEDkM,iB,GAAA,2BAAmBlI,OAAnB,EAA4BgH,WAA5B,EAAyCiB,SAAzC,EAAoDjM,QAApD,EAA8D;AAC5D,YAAQgL,WAAW,IAAIiB,SAAS,GAAG,CAAnC,EAAsC;AACpC,UAAIjB,WAAW,IAAIhH,OAAO,CAACpH,MAA3B,EAAmC;AACjCoD,gBAAQ;AACR;AACD;;AAED,UAAImM,QAAQ,GAAGnI,OAAO,CAACgH,WAAD,CAAP,CAAqBoB,KAApC;;AACA,cAAQH,SAAS,EAAjB,EAAqB;AACnB,YAAIA,SAAS,IAAIE,QAAQ,CAACvP,MAA1B,EAAkC;AAChC;AACD;;AAED,YAAIsO,OAAO,GAAGiB,QAAQ,CAACF,SAAD,CAAtB;;AACA,YAAIf,OAAO,CAACtO,MAAR,IAAkB,EAAlB,IAAyBsO,OAAO,CAAClK,IAAR,KAAiB,CAAjB,IAAsBkK,OAAO,CAAClK,IAAR,KAAiB,CAApE,EAAwE;AACtE;AACD;;AAED,YAAIiK,IAAI,GAAG,KAAKL,SAAL,CAAe9K,MAAf,EAAX;AAEA,aAAKkM,gBAAL,CAAsBhI,OAAtB,EAA+BgH,WAA/B,EAA4CiB,SAA5C,EAAuDjM,QAAvD,EAAiEkL,OAAjE,EAA0ED,IAA1E;;AAEA,YAAI,CAACA,IAAL,EAAW;AACT;AACD;AACF;AACF;AACF,G;;;;;AAGYR,4EAAf,E;;AC3HA;;;;;;;;;;AAWA;AACA;AACA;AACA;CAEA;;AACA;AACA;CAGA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AACA,IAAM4B,oBAAoB,GAAG;AAC3BC,OAAK,EAAE,CADoB;AAE3BC,OAAK,EAAE,CAFoB;AAG3BC,KAAG,EAAE,CAHsB;AAI3BC,MAAI,EAAE;AAJqB,CAA7B;;IAOMC,mB;;;AACJ,qBAAapN,QAAb,EAAuB8E,OAAvB,EAAgC7E,MAAhC,EAAwCoN,aAAxC,EAAuD;AACrD,SAAKrN,QAAL,GAAgBA,QAAhB;AACA,SAAKC,MAAL,GAAcA,MAAd;AACA,SAAKoN,aAAL,GAAqBA,aAArB;AACA,SAAKvI,OAAL,GAAeA,OAAf;AACA,SAAKwI,SAAL,GAAiB,IAAjB;AACD;;;;SAEDC,c,GAAA,wBAAgBnC,WAAhB,EAA6B;AAC3B,QAAKA,WAAW,IAAI,IAAhB,IAA0BA,WAAW,CAAC5Q,GAAZ,IAAmB,IAA7C,IAAuD4Q,WAAW,CAACoC,MAAZ,KAAuB,YAAlF,EAAiG;AAC/F,WAAKF,SAAL,GAAiB,IAAInC,UAAJ,CAAuB,KAAKnL,QAA5B,EAAsC,KAAKC,MAA3C,EAAmDmL,WAAnD,EAAgE,KAAKC,UAArE,CAAjB;AACD,KAFD,MAEO;AACL,WAAKiC,SAAL,GAAiB,IAAjB;AACD;AACF,G;;YAEM9J,K,GAAP,eAAcjJ,IAAd,EAAoB;AAClB,QAAMkT,UAAU,GAAGL,SAAS,CAACM,WAAV,CAAsBnT,IAAtB,CAAnB;;AACA,QAAIkT,UAAU,GAAG,CAAjB,EAAoB;AAClB,aAAO,KAAP;AACD,KAFD,MAEO;AACL,UAAIA,UAAJ,EAAgB;AACd9M,wBAAM,CAACgN,IAAP,2DAAoEF,UAApE;AACD;;AAED,aAAO,IAAP;AACD;AACF,G;;YAEMC,W,GAAP,qBAAoBnT,IAApB,EAA0B;AACxB;AACA,QAAMqT,UAAU,GAAGzF,IAAI,CAACC,GAAL,CAAS,IAAT,EAAe7N,IAAI,CAAC+C,MAAL,GAAc,IAAI,GAAjC,CAAnB;AACA,QAAIrB,CAAC,GAAG,CAAR;;AACA,WAAOA,CAAC,GAAG2R,UAAX,EAAuB;AACrB;AACA,UAAIrT,IAAI,CAAC0B,CAAD,CAAJ,KAAY,IAAZ,IAAoB1B,IAAI,CAAC0B,CAAC,GAAG,GAAL,CAAJ,KAAkB,IAAtC,IAA8C1B,IAAI,CAAC0B,CAAC,GAAG,IAAI,GAAT,CAAJ,KAAsB,IAAxE,EAA8E;AAC5E,eAAOA,CAAP;AACD,OAFD,MAEO;AACLA,SAAC;AACF;AACF;;AACD,WAAO,CAAC,CAAR;AACD;AAED;;;;;;;;;YAOO4R,W,GAAP,qBAAoBnM,IAApB,EAA0BwD,QAA1B,EAAoC;AAClC,WAAO;AACLE,eAAS,EAAE1D,IAAI,KAAK,OAAT,IAAoBA,IAAI,KAAK,OAA7B,GAAuC,YAAvC,GAAsD9B,SAD5D;AAEL8B,UAAI,EAAJA,IAFK;AAGL2D,QAAE,EAAE0H,oBAAoB,CAACrL,IAAD,CAHnB;AAILoM,SAAG,EAAE,CAAC,CAJD;AAKLrI,oBAAc,EAAE,KALX;AAMLH,oBAAc,EAAE,CANX;AAOLZ,aAAO,EAAE,EAPJ;AAQLqJ,aAAO,EAAErM,IAAI,KAAK,OAAT,GAAmB,CAAnB,GAAuB9B,SAR3B;AASL2F,WAAK,EAAE7D,IAAI,KAAK,OAAT,GAAmB,IAAnB,GAA0B9B,SAT5B;AAULsF,cAAQ,EAAExD,IAAI,KAAK,OAAT,GAAmBwD,QAAnB,GAA8BtF;AAVnC,KAAP;AAYD;AAED;;;;;;;;;;;;SAUAmF,gB,GAAA,0BAAkBC,WAAlB,EAA+B7C,UAA/B,EAA2C8C,UAA3C,EAAuDC,QAAvD,EAAiE;AAC/D,SAAK8I,SAAL,GAAiB,KAAjB;AACA,SAAKC,MAAL,GAAc,CAAC,CAAf;AAEA,SAAKC,SAAL,GAAiBd,SAAS,CAACS,WAAV,CAAsB,OAAtB,EAA+B3I,QAA/B,CAAjB;AACA,SAAKC,WAAL,GAAmBiI,SAAS,CAACS,WAAV,CAAsB,OAAtB,EAA+B3I,QAA/B,CAAnB;AACA,SAAKiJ,SAAL,GAAiBf,SAAS,CAACS,WAAV,CAAsB,KAAtB,EAA6B3I,QAA7B,CAAjB;AACA,SAAKkJ,SAAL,GAAiBhB,SAAS,CAACS,WAAV,CAAsB,MAAtB,EAA8B3I,QAA9B,CAAjB,CAP+D,CAS/D;;AACA,SAAKmJ,WAAL,GAAmB,IAAnB;AACA,SAAKC,UAAL,GAAkB,IAAlB;AACA,SAAKC,SAAL,GAAiB,IAAjB;AACA,SAAKpM,UAAL,GAAkBA,UAAlB;AACA,SAAK8C,UAAL,GAAkBA,UAAlB;AACA,SAAKuJ,SAAL,GAAiBtJ,QAAjB;AACD;AAED;;;;;;SAIAQ,c,GAAA,0BAAkB,CAAE,C,CAEpB;;;SACAK,M,GAAA,gBAAQxL,IAAR,EAAcyL,UAAd,EAA0BC,UAA1B,EAAsCC,kBAAtC,EAA0D;AACxD,QAAIuI,KAAJ;AAAA,QAAWjJ,GAAG,GAAGjL,IAAI,CAAC+C,MAAtB;AAAA,QAA8BoR,GAA9B;AAAA,QAAmCZ,GAAnC;AAAA,QAAwCa,GAAxC;AAAA,QAA6CtR,MAA7C;AAAA,QAAqDuR,GAArD;AAAA,QACEC,WAAW,GAAG,KADhB;AAEA,SAAK5I,UAAL,GAAkBA,UAAlB;;AACA,QAAI+H,SAAS,GAAG,KAAKA,SAArB;AAAA,QACEc,QAAQ,GAAG,KAAKZ,SADlB;AAAA,QAEEa,UAAU,GAAG,KAAK5J,WAFpB;AAAA,QAGE6J,QAAQ,GAAG,KAAKb,SAHlB;AAAA,QAIEc,KAAK,GAAGH,QAAQ,CAAChB,GAJnB;AAAA,QAKEoB,OAAO,GAAGH,UAAU,CAACjB,GALvB;AAAA,QAMEqB,KAAK,GAAGH,QAAQ,CAAClB,GANnB;AAAA,QAOEsB,KAAK,GAAG,KAAKnB,MAPf;AAAA,QAQEoB,OAAO,GAAGP,QAAQ,CAACQ,OARrB;AAAA,QASEC,SAAS,GAAGR,UAAU,CAACO,OATzB;AAAA,QAUE3J,OAAO,GAAGqJ,QAAQ,CAACM,OAVrB;AAAA,QAWEE,QAAQ,GAAG,KAAKC,SAXlB;AAAA,QAYEC,QAAQ,GAAG,KAAKC,SAZlB;AAAA,QAaEC,QAAQ,GAAG,KAAKC,SAblB;AAAA,QAcEC,WAAW,GAAG,KAAKC,YAAL,CAAkBrF,IAAlB,CAAuB,IAAvB,CAdhB;AAAA,QAeEsF,WAAW,GAAG,KAAKC,YAAL,CAAkBvF,IAAlB,CAAuB,IAAvB,CAfhB;AAAA,QAgBEwF,YAAY,GAAG,KAAKC,aAAL,CAAmBzF,IAAnB,CAAwB,IAAxB,CAhBjB;AAAA,QAiBE0F,WAAW,GAAG,KAAKC,YAAL,CAAkB3F,IAAlB,CAAuB,IAAvB,CAjBhB;;AAmBA,QAAM+C,UAAU,GAAGL,SAAS,CAACM,WAAV,CAAsBnT,IAAtB,CAAnB,CAvBwD,CAyBxD;;;AACAiL,OAAG,IAAI,CAACA,GAAG,GAAGiI,UAAP,IAAqB,GAA5B,CA1BwD,CA4BxD;;AACA,SAAKgB,KAAK,GAAGhB,UAAb,EAAyBgB,KAAK,GAAGjJ,GAAjC,EAAsCiJ,KAAK,IAAI,GAA/C,EAAoD;AAClD,UAAIlU,IAAI,CAACkU,KAAD,CAAJ,KAAgB,IAApB,EAA0B;AACxBC,WAAG,GAAG,CAAC,EAAEnU,IAAI,CAACkU,KAAK,GAAG,CAAT,CAAJ,GAAkB,IAApB,CAAP,CADwB,CAExB;;AACAX,WAAG,GAAG,CAAC,CAACvT,IAAI,CAACkU,KAAK,GAAG,CAAT,CAAJ,GAAkB,IAAnB,KAA4B,CAA7B,IAAkClU,IAAI,CAACkU,KAAK,GAAG,CAAT,CAA5C;AACAE,WAAG,GAAG,CAACpU,IAAI,CAACkU,KAAK,GAAG,CAAT,CAAJ,GAAkB,IAAnB,KAA4B,CAAlC,CAJwB,CAKxB;;AACA,YAAIE,GAAG,GAAG,CAAV,EAAa;AACXtR,gBAAM,GAAGoR,KAAK,GAAG,CAAR,GAAYlU,IAAI,CAACkU,KAAK,GAAG,CAAT,CAAzB,CADW,CAEX;;AACA,cAAIpR,MAAM,KAAMoR,KAAK,GAAG,GAAxB,EAA8B;AAC5B;AACD;AACF,SAND,MAMO;AACLpR,gBAAM,GAAGoR,KAAK,GAAG,CAAjB;AACD;;AACD,gBAAQX,GAAR;AACA,eAAKmB,KAAL;AACE,gBAAIP,GAAJ,EAAS;AACP,kBAAIW,OAAO,KAAKT,GAAG,GAAGgB,QAAQ,CAACP,OAAD,CAAnB,CAAX,EAA0C;AACxCS,2BAAW,CAAClB,GAAD,EAAM,KAAN,CAAX;AACD;;AAEDS,qBAAO,GAAG;AAAE9U,oBAAI,EAAE,EAAR;AAAYmO,oBAAI,EAAE;AAAlB,eAAV;AACD;;AACD,gBAAI2G,OAAJ,EAAa;AACXA,qBAAO,CAAC9U,IAAR,CAAaoK,IAAb,CAAkBpK,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBoR,KAAK,GAAG,GAA9B,CAAlB;AACAY,qBAAO,CAAC3G,IAAR,IAAgB+F,KAAK,GAAG,GAAR,GAAcpR,MAA9B;AACD;;AACD;;AACF,eAAK6R,OAAL;AACE,gBAAIR,GAAJ,EAAS;AACP,kBAAIa,SAAS,KAAKX,GAAG,GAAGgB,QAAQ,CAACL,SAAD,CAAnB,CAAb,EAA8C;AAC5C,oBAAIR,UAAU,CAACxJ,KAAf,EAAsB;AACpByK,6BAAW,CAACpB,GAAD,CAAX;AACD,iBAFD,MAEO;AACLsB,8BAAY,CAACtB,GAAD,CAAZ;AACD;AACF;;AACDW,uBAAS,GAAG;AAAEhV,oBAAI,EAAE,EAAR;AAAYmO,oBAAI,EAAE;AAAlB,eAAZ;AACD;;AACD,gBAAI6G,SAAJ,EAAe;AACbA,uBAAS,CAAChV,IAAV,CAAeoK,IAAf,CAAoBpK,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBoR,KAAK,GAAG,GAA9B,CAApB;AACAc,uBAAS,CAAC7G,IAAV,IAAkB+F,KAAK,GAAG,GAAR,GAAcpR,MAAhC;AACD;;AACD;;AACF,eAAK8R,KAAL;AACE,gBAAIT,GAAJ,EAAS;AACP,kBAAI/I,OAAO,KAAKiJ,GAAG,GAAGgB,QAAQ,CAACjK,OAAD,CAAnB,CAAX,EAA0C;AACxCyK,2BAAW,CAACxB,GAAD,CAAX;AACD;;AAEDjJ,qBAAO,GAAG;AAAEpL,oBAAI,EAAE,EAAR;AAAYmO,oBAAI,EAAE;AAAlB,eAAV;AACD;;AACD,gBAAI/C,OAAJ,EAAa;AACXA,qBAAO,CAACpL,IAAR,CAAaoK,IAAb,CAAkBpK,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBoR,KAAK,GAAG,GAA9B,CAAlB;AACA9I,qBAAO,CAAC+C,IAAR,IAAgB+F,KAAK,GAAG,GAAR,GAAcpR,MAA9B;AACD;;AACD;;AACF,eAAK,CAAL;AACE,gBAAIqR,GAAJ,EAAS;AACPrR,oBAAM,IAAI9C,IAAI,CAAC8C,MAAD,CAAJ,GAAe,CAAzB;AACD;;AAED+R,iBAAK,GAAG,KAAKnB,MAAL,GAAcuB,QAAQ,CAACjV,IAAD,EAAO8C,MAAP,CAA9B;AACA;;AACF,eAAK+R,KAAL;AACE,gBAAIV,GAAJ,EAAS;AACPrR,oBAAM,IAAI9C,IAAI,CAAC8C,MAAD,CAAJ,GAAe,CAAzB;AACD;;AAED,gBAAIiT,UAAU,GAAGZ,QAAQ,CAACnV,IAAD,EAAO8C,MAAP,EAAe,KAAKgQ,aAAL,CAAmBkD,IAAnB,KAA4B,IAA5B,IAAoC,KAAKlD,aAAL,CAAmBmD,GAAnB,KAA2B,IAA9E,EAAoF,KAAKlD,SAAL,IAAkB,IAAtG,CAAzB,CALF,CAOE;AACA;AACA;AACA;AACA;AACA;;AACA2B,iBAAK,GAAGqB,UAAU,CAACG,GAAnB;;AACA,gBAAIxB,KAAK,GAAG,CAAZ,EAAe;AACbH,sBAAQ,CAAChB,GAAT,GAAemB,KAAf;AACD;;AAEDC,mBAAO,GAAGoB,UAAU,CAACrD,KAArB;;AACA,gBAAIiC,OAAO,GAAG,CAAd,EAAiB;AACfH,wBAAU,CAACjB,GAAX,GAAiBoB,OAAjB;AACAH,wBAAU,CAACxJ,KAAX,GAAmB+K,UAAU,CAAC/K,KAA9B;AACD;;AACD4J,iBAAK,GAAGmB,UAAU,CAACpD,GAAnB;;AACA,gBAAIiC,KAAK,GAAG,CAAZ,EAAe;AACbH,sBAAQ,CAAClB,GAAT,GAAeqB,KAAf;AACD;;AAED,gBAAIN,WAAW,IAAI,CAACb,SAApB,EAA+B;AAC7BrN,8BAAM,CAACC,GAAP,CAAW,wBAAX;AACAiO,yBAAW,GAAG,KAAd,CAF6B,CAG7B;;AACAJ,mBAAK,GAAGhB,UAAU,GAAG,GAArB;AACD;;AACDO,qBAAS,GAAG,KAAKA,SAAL,GAAiB,IAA7B;AACA;;AACF,eAAK,EAAL;AACA,eAAK,MAAL;AACE;;AACF;AACEa,uBAAW,GAAG,IAAd;AACA;AA3FF;AA6FD,OA5GD,MA4GO;AACL,aAAK7O,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACC,KAA5B,EAAmC;AAAEC,cAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,iBAAO,EAAEC,sBAAY,CAACe,kBAAtD;AAA0Eb,eAAK,EAAE,KAAjF;AAAwFC,gBAAM,EAAE;AAAhG,SAAnC;AACD;AACF,KA7IuD,CA8IxD;;;AACA,QAAIoN,OAAO,KAAKT,GAAG,GAAGgB,QAAQ,CAACP,OAAD,CAAnB,CAAX,EAA0C;AACxCS,iBAAW,CAAClB,GAAD,EAAM,IAAN,CAAX;AACAE,cAAQ,CAACQ,OAAT,GAAmB,IAAnB;AACD,KAHD,MAGO;AACL;AACAR,cAAQ,CAACQ,OAAT,GAAmBD,OAAnB;AACD;;AAED,QAAIE,SAAS,KAAKX,GAAG,GAAGgB,QAAQ,CAACL,SAAD,CAAnB,CAAb,EAA8C;AAC5C,UAAIR,UAAU,CAACxJ,KAAf,EAAsB;AACpByK,mBAAW,CAACpB,GAAD,CAAX;AACD,OAFD,MAEO;AACLsB,oBAAY,CAACtB,GAAD,CAAZ;AACD;;AAEDG,gBAAU,CAACO,OAAX,GAAqB,IAArB;AACD,KARD,MAQO;AACL,UAAIC,SAAS,IAAIA,SAAS,CAAC7G,IAA3B,EAAiC;AAC/B/H,wBAAM,CAACC,GAAP,CAAW,+DAAX;AACD,OAHI,CAKL;;;AACAmO,gBAAU,CAACO,OAAX,GAAqBC,SAArB;AACD;;AAED,QAAI5J,OAAO,KAAKiJ,GAAG,GAAGgB,QAAQ,CAACjK,OAAD,CAAnB,CAAX,EAA0C;AACxCyK,iBAAW,CAACxB,GAAD,CAAX;AACAI,cAAQ,CAACM,OAAT,GAAmB,IAAnB;AACD,KAHD,MAGO;AACL;AACAN,cAAQ,CAACM,OAAT,GAAmB3J,OAAnB;AACD;;AAED,QAAI,KAAK2H,SAAL,IAAkB,IAAtB,EAA4B;AAC1B,WAAKxI,OAAL,CAAayB,KAAb,CAAmBwI,UAAnB,EAA+BD,QAA/B,EAAyCE,QAAzC,EAAmD,KAAKZ,SAAxD,EAAmEpI,UAAnE,EAA+EC,UAA/E,EAA2FC,kBAA3F;AACD,KAFD,MAEO;AACL,WAAKwK,eAAL,CAAqB3B,UAArB,EAAiCD,QAAjC,EAA2CE,QAA3C,EAAqD,KAAKZ,SAA1D,EAAqEpI,UAArE,EAAiFC,UAAjF,EAA6FC,kBAA7F;AACD;AACF,G;;SAEDwK,e,GAAA,yBAAiB3B,UAAjB,EAA6B4B,UAA7B,EAAyC3B,QAAzC,EAAmD4B,SAAnD,EAA8D5K,UAA9D,EAA0EC,UAA1E,EAAsFC,kBAAtF,EAA0G;AACxG,QAAI6I,UAAU,CAACrK,OAAX,IAAsBqK,UAAU,CAACxJ,KAArC,EAA4C;AAC1C,UAAIwG,SAAS,GAAG,IAAhB;AACA,WAAKuB,SAAL,CAAerB,iBAAf,CAAiC8C,UAAU,CAACrK,OAA5C,EAAqD,CAArD,EAAwD,YAAY;AAClEqH,iBAAS,CAAC8E,kBAAV,CAA6B9B,UAA7B,EAAyC4B,UAAzC,EAAqD3B,QAArD,EAA+D4B,SAA/D,EAA0E5K,UAA1E,EAAsFC,UAAtF,EAAkGC,kBAAlG;AACD,OAFD;AAGD,KALD,MAKO;AACL,WAAK2K,kBAAL,CAAwB9B,UAAxB,EAAoC4B,UAApC,EAAgD3B,QAAhD,EAA0D4B,SAA1D,EAAqE5K,UAArE,EAAiFC,UAAjF,EAA6FC,kBAA7F;AACD;AACF,G;;SAED2K,kB,GAAA,4BAAoB9B,UAApB,EAAgC4B,UAAhC,EAA4C3B,QAA5C,EAAsD4B,SAAtD,EAAiE5K,UAAjE,EAA6EC,UAA7E,EAAyFC,kBAAzF,EAA6G;AAC3G,QAAIyK,UAAU,CAACjM,OAAf,EAAwB;AACtB,UAAIqH,SAAS,GAAG,IAAhB;AACA,WAAKuB,SAAL,CAAeV,iBAAf,CAAiC+D,UAAU,CAACjM,OAA5C,EAAqD,CAArD,EAAwD,CAAxD,EAA2D,YAAY;AACrEqH,iBAAS,CAACjH,OAAV,CAAkByB,KAAlB,CAAwBwI,UAAxB,EAAoC4B,UAApC,EAAgD3B,QAAhD,EAA0D4B,SAA1D,EAAqE5K,UAArE,EAAiFC,UAAjF,EAA6FC,kBAA7F;AACD,OAFD;AAGD,KALD,MAKO;AACL,WAAKpB,OAAL,CAAayB,KAAb,CAAmBwI,UAAnB,EAA+B4B,UAA/B,EAA2C3B,QAA3C,EAAqD4B,SAArD,EAAgE5K,UAAhE,EAA4EC,UAA5E,EAAwFC,kBAAxF;AACD;AACF,G;;SAEDvG,O,GAAA,mBAAW;AACT,SAAKmR,QAAL,GAAgB,KAAKC,QAAL,GAAgBnR,SAAhC;AACA,SAAK4O,SAAL,GAAiB,CAAjB;AACD,G;;SAEDiB,S,GAAA,mBAAWlV,IAAX,EAAiB8C,MAAjB,EAAyB;AACvB;AACA,WAAO,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,EAAV,CAAJ,GAAoB,IAArB,KAA8B,CAA9B,GAAkC9C,IAAI,CAAC8C,MAAM,GAAG,EAAV,CAA7C,CAFuB,CAGvB;AACD,G;;SAEDsS,S,GAAA,mBAAWpV,IAAX,EAAiB8C,MAAjB,EAAyB2T,aAAzB,EAAwCC,WAAxC,EAAqD;AACnD,QAAIC,aAAJ;AAAA,QAAmBC,QAAnB;AAAA,QAA6BC,iBAA7B;AAAA,QAAgDtD,GAAhD;AAAA,QAAqD1M,MAAM,GAAG;AAAE6L,WAAK,EAAE,CAAC,CAAV;AAAawD,SAAG,EAAE,CAAC,CAAnB;AAAsBvD,SAAG,EAAE,CAAC,CAA5B;AAA+B3H,WAAK,EAAE;AAAtC,KAA9D;AACA2L,iBAAa,GAAG,CAAC3W,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,CAA7B,GAAiC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAArD;AACA8T,YAAQ,GAAG9T,MAAM,GAAG,CAAT,GAAa6T,aAAb,GAA6B,CAAxC,CAHmD,CAInD;AACA;;AACAE,qBAAiB,GAAG,CAAC7W,IAAI,CAAC8C,MAAM,GAAG,EAAV,CAAJ,GAAoB,IAArB,KAA8B,CAA9B,GAAkC9C,IAAI,CAAC8C,MAAM,GAAG,EAAV,CAA1D,CANmD,CAOnD;;AACAA,UAAM,IAAI,KAAK+T,iBAAf;;AACA,WAAO/T,MAAM,GAAG8T,QAAhB,EAA0B;AACxBrD,SAAG,GAAG,CAACvT,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,CAA7B,GAAiC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAA3C;;AACA,cAAQ9C,IAAI,CAAC8C,MAAD,CAAZ;AACA,aAAK,IAAL;AAAW;AACT,cAAI,CAAC4T,WAAL,EAAkB;AAChBtQ,4BAAM,CAACC,GAAP,CAAW,yBAAyBrG,IAAI,CAAC8C,MAAD,CAAxC;AACA;AACD;;AACD;AAEA;;AACF,aAAK,IAAL;AACE;AACA,cAAI+D,MAAM,CAAC6L,KAAP,KAAiB,CAAC,CAAtB,EAAyB;AACvB7L,kBAAM,CAAC6L,KAAP,GAAea,GAAf;AACD;;AAED;AAEA;;AACF,aAAK,IAAL;AACE;AACA,cAAI1M,MAAM,CAAC8L,GAAP,KAAe,CAAC,CAApB,EAAuB;AACrB9L,kBAAM,CAAC8L,GAAP,GAAaY,GAAb;AACD;;AAED;;AAEF,aAAK,IAAL;AAAW;AACT,cAAI,CAACmD,WAAL,EAAkB;AAChBtQ,4BAAM,CAACC,GAAP,CAAW,yBAAyBrG,IAAI,CAAC8C,MAAD,CAAxC;AACA;AACD;;AACD;AAEA;;AACF,aAAK,IAAL;AACE;AACA,cAAI+D,MAAM,CAACqP,GAAP,KAAe,CAAC,CAApB,EAAuB;AACrBrP,kBAAM,CAACqP,GAAP,GAAa3C,GAAb;AACD;;AAED;AAEA;AACA;;AACF,aAAK,IAAL;AACA,aAAK,IAAL;AACE;AACA,cAAI,CAACkD,aAAL,EAAoB;AAClBrQ,4BAAM,CAACC,GAAP,CAAW,yDAAX;AACD,WAFD,MAEO,IAAIQ,MAAM,CAAC6L,KAAP,KAAiB,CAAC,CAAtB,EAAyB;AAC9B7L,kBAAM,CAAC6L,KAAP,GAAea,GAAf;AACA1M,kBAAM,CAACmE,KAAP,GAAe,KAAf;AACD;;AACD;;AAEF,aAAK,IAAL;AACE5E,0BAAM,CAACgN,IAAP,CAAY,+CAAZ;AACA;;AAEF;AACEhN,0BAAM,CAACC,GAAP,CAAW,yBAAyBrG,IAAI,CAAC8C,MAAD,CAAxC;AACA;AA7DF,OAFwB,CAiExB;AACA;;;AACAA,YAAM,IAAI,CAAC,CAAC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,CAA7B,GAAiC9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAtC,IAAsD,CAAhE;AACD;;AACD,WAAO+D,MAAP;AACD,G;;SAEDyO,S,GAAA,mBAAWwB,MAAX,EAAmB;AACjB,QAAIpV,CAAC,GAAG,CAAR;AAAA,QAAWqV,IAAX;AAAA,QAAiBC,QAAjB;AAAA,QAA2BC,SAA3B;AAAA,QAAsCC,MAAtC;AAAA,QAA8CC,SAA9C;AAAA,QAAyDpC,OAAzD;AAAA,QAAkEqC,MAAlE;AAAA,QAA0EC,MAA1E;AAAA,QAAkFC,kBAAlF;AAAA,QAAsGtX,IAAI,GAAG8W,MAAM,CAAC9W,IAApH,CADiB,CAEjB;;AACA,QAAI,CAAC8W,MAAD,IAAWA,MAAM,CAAC3I,IAAP,KAAgB,CAA/B,EAAkC;AAChC,aAAO,IAAP;AACD,KALgB,CAOjB;AACA;AACA;;;AACA,WAAOnO,IAAI,CAAC,CAAD,CAAJ,CAAQ+C,MAAR,GAAiB,EAAjB,IAAuB/C,IAAI,CAAC+C,MAAL,GAAc,CAA5C,EAA+C;AAC7C,UAAIwU,OAAO,GAAG,IAAI7J,UAAJ,CAAe1N,IAAI,CAAC,CAAD,CAAJ,CAAQ+C,MAAR,GAAiB/C,IAAI,CAAC,CAAD,CAAJ,CAAQ+C,MAAxC,CAAd;AACAwU,aAAO,CAACzJ,GAAR,CAAY9N,IAAI,CAAC,CAAD,CAAhB;AACAuX,aAAO,CAACzJ,GAAR,CAAY9N,IAAI,CAAC,CAAD,CAAhB,EAAqBA,IAAI,CAAC,CAAD,CAAJ,CAAQ+C,MAA7B;AACA/C,UAAI,CAAC,CAAD,CAAJ,GAAUuX,OAAV;AACAvX,UAAI,CAACwX,MAAL,CAAY,CAAZ,EAAe,CAAf;AACD,KAhBgB,CAiBjB;;;AACAT,QAAI,GAAG/W,IAAI,CAAC,CAAD,CAAX;AACAiX,aAAS,GAAG,CAACF,IAAI,CAAC,CAAD,CAAJ,IAAW,EAAZ,KAAmBA,IAAI,CAAC,CAAD,CAAJ,IAAW,CAA9B,IAAmCA,IAAI,CAAC,CAAD,CAAnD;;AACA,QAAIE,SAAS,KAAK,CAAlB,EAAqB;AACnBC,YAAM,GAAG,CAACH,IAAI,CAAC,CAAD,CAAJ,IAAW,CAAZ,IAAiBA,IAAI,CAAC,CAAD,CAA9B,CADmB,CAEnB;AACA;;AACA,UAAIG,MAAM,IAAIA,MAAM,GAAGJ,MAAM,CAAC3I,IAAP,GAAc,CAArC,EAAwC;AACtC,eAAO,IAAP;AACD;;AAED6I,cAAQ,GAAGD,IAAI,CAAC,CAAD,CAAf;;AACA,UAAIC,QAAQ,GAAG,IAAf,EAAqB;AACnB;;;AAGAI,cAAM,GAAG,CAACL,IAAI,CAAC,CAAD,CAAJ,GAAU,IAAX,IAAmB,SAAnB,GAA8B;AACrC,SAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,OADb,GACsB;AAC7B,SAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,KAFb,GAEoB;AAC3B,SAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,GAHb,GAGkB;AACzB,SAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,CAJtB,CAJmB,CASnB;;AACA,YAAIK,MAAM,GAAG,UAAb,EAAyB;AACvB;AACAA,gBAAM,IAAI,UAAV;AACD;;AACD,YAAIJ,QAAQ,GAAG,IAAf,EAAqB;AACnBK,gBAAM,GAAG,CAACN,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,SAApB,GAA+B;AACtC,WAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,OADb,GACsB;AAC7B,WAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,KAFb,GAEoB;AAC3B,WAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,GAHb,GAGkB;AACzB,WAACA,IAAI,CAAC,EAAD,CAAJ,GAAW,IAAZ,IAAoB,CAJtB,CADmB,CAMnB;;AACA,cAAIM,MAAM,GAAG,UAAb,EAAyB;AACvB;AACAA,kBAAM,IAAI,UAAV;AACD;;AACD,cAAID,MAAM,GAAGC,MAAT,GAAkB,KAAK,KAA3B,EAAkC;AAChCjR,4BAAM,CAACgN,IAAP,CAAexF,IAAI,CAAC6J,KAAL,CAAW,CAACL,MAAM,GAAGC,MAAV,IAAoB,KAA/B,CAAf;AACAD,kBAAM,GAAGC,MAAT;AACD;AACF,SAfD,MAeO;AACLA,gBAAM,GAAGD,MAAT;AACD;AACF;;AACDD,eAAS,GAAGJ,IAAI,CAAC,CAAD,CAAhB,CA1CmB,CA2CnB;;AACAO,wBAAkB,GAAGH,SAAS,GAAG,CAAjC;;AAEA,UAAIL,MAAM,CAAC3I,IAAP,IAAemJ,kBAAnB,EAAuC;AACrC,eAAO,IAAP;AACD;;AACDR,YAAM,CAAC3I,IAAP,IAAemJ,kBAAf,CAjDmB,CAkDnB;;AACAvC,aAAO,GAAG,IAAIrH,UAAJ,CAAeoJ,MAAM,CAAC3I,IAAtB,CAAV;;AACA,WAAK,IAAIiB,CAAC,GAAG,CAAR,EAAWsI,OAAO,GAAG1X,IAAI,CAAC+C,MAA/B,EAAuCqM,CAAC,GAAGsI,OAA3C,EAAoDtI,CAAC,EAArD,EAAyD;AACvD2H,YAAI,GAAG/W,IAAI,CAACoP,CAAD,CAAX;AACA,YAAInE,GAAG,GAAG8L,IAAI,CAACtW,UAAf;;AACA,YAAI6W,kBAAJ,EAAwB;AACtB,cAAIA,kBAAkB,GAAGrM,GAAzB,EAA8B;AAC5B;AACAqM,8BAAkB,IAAIrM,GAAtB;AACA;AACD,WAJD,MAIO;AACL;AACA8L,gBAAI,GAAGA,IAAI,CAAC9M,QAAL,CAAcqN,kBAAd,CAAP;AACArM,eAAG,IAAIqM,kBAAP;AACAA,8BAAkB,GAAG,CAArB;AACD;AACF;;AACDvC,eAAO,CAACjH,GAAR,CAAYiJ,IAAZ,EAAkBrV,CAAlB;AACAA,SAAC,IAAIuJ,GAAL;AACD;;AACD,UAAIiM,MAAJ,EAAY;AACV;AACAA,cAAM,IAAIC,SAAS,GAAG,CAAtB;AACD;;AACD,aAAO;AAAEnX,YAAI,EAAE+U,OAAR;AAAiBtL,WAAG,EAAE2N,MAAtB;AAA8BlN,WAAG,EAAEmN,MAAnC;AAA2CpM,WAAG,EAAEiM;AAAhD,OAAP;AACD,KA3ED,MA2EO;AACL,aAAO,IAAP;AACD;AACF,G;;SAEDS,a,GAAA,uBAAe3D,SAAf,EAA0BO,QAA1B,EAAoC;AAClC,QAAIP,SAAS,CAACzB,KAAV,CAAgBxP,MAAhB,IAA0BiR,SAAS,CAACjI,KAAxC,EAA+C;AAC7C,UAAM5B,OAAO,GAAGoK,QAAQ,CAACpK,OAAzB;AACA,UAAMyN,SAAS,GAAGzN,OAAO,CAACpH,MAA1B,CAF6C,CAG7C;;AACA,UAAI8U,KAAK,CAAC7D,SAAS,CAACvK,GAAX,CAAT,EAA0B;AACxB,YAAImO,SAAJ,EAAe;AACb,cAAME,UAAU,GAAG3N,OAAO,CAACyN,SAAS,GAAG,CAAb,CAA1B;AACA5D,mBAAS,CAACvK,GAAV,GAAgBqO,UAAU,CAACrO,GAA3B;AACAuK,mBAAS,CAAC9J,GAAV,GAAgB4N,UAAU,CAAC5N,GAA3B;AACD,SAJD,MAIO;AACL;AACAqK,kBAAQ,CAACf,OAAT;AACA;AACD;AACF,OAd4C,CAe7C;AACA;AACA;AACA;;;AACA,UAAI,CAAC,KAAK9N,MAAL,CAAYqS,4BAAb,IACA/D,SAAS,CAAC/T,GAAV,KAAkB,IADlB,IAECsU,QAAQ,CAACyD,GAAT,KAAiBJ,SAAS,IAAI,KAAKlM,UAAnC,CAFL,EAEsD;AACpDsI,iBAAS,CAAClJ,EAAV,GAAe8M,SAAf;AACAzN,eAAO,CAACC,IAAR,CAAa4J,SAAb;AACD,OALD,MAKO;AACL;AACAO,gBAAQ,CAACf,OAAT;AACD;AACF;;AACD,QAAIQ,SAAS,CAACiE,KAAV,CAAgBlV,MAApB,EAA4B;AAC1BqD,sBAAM,CAACC,GAAP,CAAW2N,SAAS,CAACvK,GAAV,GAAgB,GAAhB,GAAsBuK,SAAS,CAAC9J,GAAhC,GAAsC,GAAtC,GAA4C8J,SAAS,CAACiE,KAAjE;AACD;AACF,G;;SAEDzC,Y,GAAA,sBAAcnB,GAAd,EAAmB6D,IAAnB,EAAyB;AAAA;;AACvB;AACA,QAAI5O,KAAK,GAAG,KAAKqK,SAAjB;AAAA,QACEpB,KAAK,GAAG,KAAK4F,aAAL,CAAmB9D,GAAG,CAACrU,IAAvB,CADV;AAAA,QAEEiY,KAAK,GAAG,KAFV;AAAA,QAGEG,gBAHF;AAAA,QAIEpE,SAAS,GAAG,KAAKA,SAJnB;AAAA,QAKE5J,IALF;AAAA,QAMEiO,QAAQ,GAAG,KANb;AAAA,QAOE3W,CAPF;AAAA,QAQEiW,aAAa,GAAG,KAAKA,aAAL,CAAmBxH,IAAnB,CAAwB,IAAxB,CARlB;AAAA,QASEmI,eAAe,GAAG,SAAlBA,eAAkB,CAAUrY,GAAV,EAAewJ,GAAf,EAAoBS,GAApB,EAAyB+N,KAAzB,EAAgC;AAChD,aAAO;AAAEhY,WAAG,EAAEA,GAAP;AAAYwJ,WAAG,EAAEA,GAAjB;AAAsBS,WAAG,EAAEA,GAA3B;AAAgCqI,aAAK,EAAE,EAAvC;AAA2C0F,aAAK,EAAEA;AAAlD,OAAP;AACD,KAXH,CAFuB,CAcvB;;;AACA5D,OAAG,CAACrU,IAAJ,GAAW,IAAX,CAfuB,CAiBvB;AACA;;AACA,QAAIgU,SAAS,IAAIzB,KAAK,CAACxP,MAAnB,IAA6B,CAACuG,KAAK,CAACiP,QAAxC,EAAkD;AAChDZ,mBAAa,CAAC3D,SAAD,EAAY1K,KAAZ,CAAb;AACA0K,eAAS,GAAG,KAAKA,SAAL,GAAiBsE,eAAe,CAAC,KAAD,EAAQjE,GAAG,CAAC5K,GAAZ,EAAiB4K,GAAG,CAACnK,GAArB,EAA0B,EAA1B,CAA5C;AACD;;AAEDqI,SAAK,CAACiG,OAAN,CAAc,UAAAxO,IAAI,EAAI;AACpB,cAAQA,IAAI,CAAC7C,IAAb;AACA;AACA,aAAK,CAAL;AACEiD,cAAI,GAAG,IAAP;;AACA,cAAI,CAAC4J,SAAL,EAAgB;AACdA,qBAAS,GAAG,KAAI,CAACA,SAAL,GAAiBsE,eAAe,CAAC,IAAD,EAAOjE,GAAG,CAAC5K,GAAX,EAAgB4K,GAAG,CAACnK,GAApB,EAAyB,EAAzB,CAA5C;AACD;;AAED,cAAI+N,KAAJ,EAAW;AACTjE,qBAAS,CAACiE,KAAV,IAAmB,MAAnB;AACD;;AAEDjE,mBAAS,CAACjI,KAAV,GAAkB,IAAlB;AACA,cAAI/L,IAAI,GAAGgK,IAAI,CAAChK,IAAhB,CAXF,CAYE;;AACA,cAAIqY,QAAQ,IAAIrY,IAAI,CAAC+C,MAAL,GAAc,CAA9B,EAAiC;AAC/B;AACA,gBAAI0V,SAAS,GAAG,IAAIrL,UAAJ,CAAcpN,IAAd,EAAoB2Q,aAApB,EAAhB,CAF+B,CAG/B;AACA;AACA;AACA;AACA;;AACA,gBAAI8H,SAAS,KAAK,CAAd,IAAmBA,SAAS,KAAK,CAAjC,IAAsCA,SAAS,KAAK,CAApD,IAAyDA,SAAS,KAAK,CAA3E,EAA8E;AAC5EzE,uBAAS,CAAC/T,GAAV,GAAgB,IAAhB;AACD;AACF;;AACD;AACA;;AACF,aAAK,CAAL;AACEmK,cAAI,GAAG,IAAP,CADF,CAEE;;AACA,cAAI,CAAC4J,SAAL,EAAgB;AACdA,qBAAS,GAAG,KAAI,CAACA,SAAL,GAAiBsE,eAAe,CAAC,IAAD,EAAOjE,GAAG,CAAC5K,GAAX,EAAgB4K,GAAG,CAACnK,GAApB,EAAyB,EAAzB,CAA5C;AACD;;AAED,cAAI+N,KAAJ,EAAW;AACTjE,qBAAS,CAACiE,KAAV,IAAmB,MAAnB;AACD;;AAEDjE,mBAAS,CAAC/T,GAAV,GAAgB,IAAhB;AACA+T,mBAAS,CAACjI,KAAV,GAAkB,IAAlB;AACA;AACA;;AACF,aAAK,CAAL;AACE3B,cAAI,GAAG,IAAP;;AACA,cAAI6N,KAAK,IAAIjE,SAAb,EAAwB;AACtBA,qBAAS,CAACiE,KAAV,IAAmB,MAAnB;AACD;;AAEDG,0BAAgB,GAAG,IAAIhL,UAAJ,CAAc,KAAI,CAAC0D,UAAL,CAAgB9G,IAAI,CAAChK,IAArB,CAAd,CAAnB,CANF,CAQE;;AACAoY,0BAAgB,CAACtJ,SAAjB;AAEA,cAAI4J,WAAW,GAAG,CAAlB;AACA,cAAIC,WAAW,GAAG,CAAlB;AACA,cAAIC,aAAa,GAAG,KAApB;AACA,cAAIC,CAAC,GAAG,CAAR;;AAEA,iBAAO,CAACD,aAAD,IAAkBR,gBAAgB,CAAC/K,cAAjB,GAAkC,CAA3D,EAA8D;AAC5DqL,uBAAW,GAAG,CAAd;;AACA,eAAG;AACDG,eAAC,GAAGT,gBAAgB,CAACtJ,SAAjB,EAAJ;AACA4J,yBAAW,IAAIG,CAAf;AACD,aAHD,QAGSA,CAAC,KAAK,IAHf,EAF4D,CAO5D;;;AACAF,uBAAW,GAAG,CAAd;;AACA,eAAG;AACDE,eAAC,GAAGT,gBAAgB,CAACtJ,SAAjB,EAAJ;AACA6J,yBAAW,IAAIE,CAAf;AACD,aAHD,QAGSA,CAAC,KAAK,IAHf,EAT4D,CAc5D;AACA;;;AACA,gBAAIH,WAAW,KAAK,CAAhB,IAAqBN,gBAAgB,CAAC/K,cAAjB,KAAoC,CAA7D,EAAgE;AAC9DuL,2BAAa,GAAG,IAAhB;AAEA,kBAAIE,WAAW,GAAGV,gBAAgB,CAACtJ,SAAjB,EAAlB;;AAEA,kBAAIgK,WAAW,KAAK,GAApB,EAAyB;AACvB,oBAAIC,YAAY,GAAGX,gBAAgB,CAACrJ,UAAjB,EAAnB;;AAEA,oBAAIgK,YAAY,KAAK,EAArB,EAAyB;AACvB,sBAAIC,aAAa,GAAGZ,gBAAgB,CAACpJ,QAAjB,EAApB;;AAEA,sBAAIgK,aAAa,KAAK,UAAtB,EAAkC;AAChC,wBAAIC,YAAY,GAAGb,gBAAgB,CAACtJ,SAAjB,EAAnB,CADgC,CAGhC;;AACA,wBAAImK,YAAY,KAAK,CAArB,EAAwB;AACtB,0BAAIC,SAAS,GAAGd,gBAAgB,CAACtJ,SAAjB,EAAhB;AACA,0BAAIqK,UAAU,GAAGf,gBAAgB,CAACtJ,SAAjB,EAAjB;AAEA,0BAAIsK,QAAQ,GAAG,KAAKF,SAApB;AACA,0BAAIG,SAAS,GAAG,CAACH,SAAD,EAAYC,UAAZ,CAAhB;;AAEA,2BAAKzX,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG0X,QAAhB,EAA0B1X,CAAC,EAA3B,EAA+B;AAC7B;AACA2X,iCAAS,CAACjP,IAAV,CAAegO,gBAAgB,CAACtJ,SAAjB,EAAf;AACAuK,iCAAS,CAACjP,IAAV,CAAegO,gBAAgB,CAACtJ,SAAjB,EAAf;AACAuK,iCAAS,CAACjP,IAAV,CAAegO,gBAAgB,CAACtJ,SAAjB,EAAf;AACD;;AAED,2BAAI,CAACwK,oBAAL,CAA0B,KAAI,CAACzF,SAAL,CAAe1J,OAAzC,EAAkD;AAAEhD,4BAAI,EAAE,CAAR;AAAWsC,2BAAG,EAAE4K,GAAG,CAAC5K,GAApB;AAAyB8P,6BAAK,EAAEF;AAAhC,uBAAlD;AACD;AACF;AACF;AACF;AACF,aAlCD,MAkCO,IAAIX,WAAW,KAAK,CAAhB,IAAqBN,gBAAgB,CAAC/K,cAAjB,KAAoC,CAA7D,EAAgE;AACrEuL,2BAAa,GAAG,IAAhB;;AAEA,kBAAID,WAAW,GAAG,EAAlB,EAAsB;AACpB,oBAAMa,YAAY,GAAG,EAArB;;AACA,qBAAK9X,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG,EAAhB,EAAoBA,CAAC,EAArB,EAAyB;AACvB8X,8BAAY,CAACpP,IAAb,CAAkBgO,gBAAgB,CAACtJ,SAAjB,GAA6B2K,QAA7B,CAAsC,EAAtC,CAAlB;;AAEA,sBAAI/X,CAAC,KAAK,CAAN,IAAWA,CAAC,KAAK,CAAjB,IAAsBA,CAAC,KAAK,CAA5B,IAAiCA,CAAC,KAAK,CAA3C,EAA8C;AAC5C8X,gCAAY,CAACpP,IAAb,CAAkB,GAAlB;AACD;AACF;;AACD,oBAAMrH,MAAM,GAAG4V,WAAW,GAAG,EAA7B;AACA,oBAAMe,oBAAoB,GAAG,IAAIhM,UAAJ,CAAe3K,MAAf,CAA7B;;AACA,qBAAKrB,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGqB,MAAhB,EAAwBrB,CAAC,EAAzB,EAA6B;AAC3BgY,sCAAoB,CAAChY,CAAD,CAApB,GAA0B0W,gBAAgB,CAACtJ,SAAjB,EAA1B;AACD;;AAED,qBAAI,CAACwK,oBAAL,CAA0B,KAAI,CAACzF,SAAL,CAAe1J,OAAzC,EAAkD;AAChDV,qBAAG,EAAE4K,GAAG,CAAC5K,GADuC;AAEhDiP,6BAAW,EAAEA,WAFmC;AAGhDiB,sBAAI,EAAEH,YAAY,CAACI,IAAb,CAAkB,EAAlB,CAH0C;AAIhDC,+BAAa,EAAEH,oBAJiC;AAKhDI,0BAAQ,EAAEC,6BAAc,CAACL,oBAAoB,CAACnZ,MAAtB;AALwB,iBAAlD;AAOD;AACF,aA1BM,MA0BA,IAAIoY,WAAW,GAAGP,gBAAgB,CAAC/K,cAAnC,EAAmD;AACxD,mBAAK3L,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGiX,WAAhB,EAA6BjX,CAAC,EAA9B,EAAkC;AAChC0W,gCAAgB,CAACtJ,SAAjB;AACD;AACF;AACF;;AACD;AACA;;AACF,aAAK,CAAL;AACE1E,cAAI,GAAG,IAAP;AACAiO,kBAAQ,GAAG,IAAX;;AACA,cAAIJ,KAAK,IAAIjE,SAAb,EAAwB;AACtBA,qBAAS,CAACiE,KAAV,IAAmB,MAAnB;AACD;;AAED,cAAI,CAAC3O,KAAK,CAAC0O,GAAX,EAAgB;AACdI,4BAAgB,GAAG,IAAIhL,UAAJ,CAAcpD,IAAI,CAAChK,IAAnB,CAAnB;AACA,gBAAI0F,MAAM,GAAG0S,gBAAgB,CAAC9I,OAAjB,EAAb;AACAhG,iBAAK,CAACkH,KAAN,GAAc9K,MAAM,CAAC8K,KAArB;AACAlH,iBAAK,CAACoH,MAAN,GAAehL,MAAM,CAACgL,MAAtB;AACApH,iBAAK,CAACgH,UAAN,GAAmB5K,MAAM,CAAC4K,UAA1B;AACAhH,iBAAK,CAAC0O,GAAN,GAAY,CAAChO,IAAI,CAAChK,IAAN,CAAZ;AACAsJ,iBAAK,CAACqB,QAAN,GAAiB,KAAI,CAACsJ,SAAtB;AACA,gBAAI+F,UAAU,GAAGhQ,IAAI,CAAChK,IAAL,CAAUiK,QAAV,CAAmB,CAAnB,EAAsB,CAAtB,CAAjB;AACA,gBAAIgQ,WAAW,GAAG,OAAlB;;AACA,iBAAKvY,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG,CAAhB,EAAmBA,CAAC,EAApB,EAAwB;AACtB,kBAAIwY,CAAC,GAAGF,UAAU,CAACtY,CAAD,CAAV,CAAc+X,QAAd,CAAuB,EAAvB,CAAR;;AACA,kBAAIS,CAAC,CAACnX,MAAF,GAAW,CAAf,EAAkB;AAChBmX,iBAAC,GAAG,MAAMA,CAAV;AACD;;AAEDD,yBAAW,IAAIC,CAAf;AACD;;AACD5Q,iBAAK,CAACV,KAAN,GAAcqR,WAAd;AACD;;AACD;AACA;;AACF,aAAK,CAAL;AACE7P,cAAI,GAAG,IAAP;;AACA,cAAI6N,KAAK,IAAIjE,SAAb,EAAwB;AACtBA,qBAAS,CAACiE,KAAV,IAAmB,MAAnB;AACD;;AAED,cAAI,CAAC3O,KAAK,CAAC6Q,GAAX,EAAgB;AACd7Q,iBAAK,CAAC6Q,GAAN,GAAY,CAACnQ,IAAI,CAAChK,IAAN,CAAZ;AACD;;AAED;AACA;;AACF,aAAK,CAAL;AACEoK,cAAI,GAAG,KAAP;AACAd,eAAK,CAACiP,QAAN,GAAiB,IAAjB;;AACA,cAAIvE,SAAJ,EAAe;AACb2D,yBAAa,CAAC3D,SAAD,EAAY1K,KAAZ,CAAb;AACD;;AAED0K,mBAAS,GAAG,KAAI,CAACA,SAAL,GAAiBsE,eAAe,CAAC,KAAD,EAAQjE,GAAG,CAAC5K,GAAZ,EAAiB4K,GAAG,CAACnK,GAArB,EAA0B+N,KAAK,GAAG,MAAH,GAAY,EAA3C,CAA5C;AACA;AACA;;AACF,aAAK,EAAL;AACE7N,cAAI,GAAG,KAAP;AACA;;AACF;AACEA,cAAI,GAAG,KAAP;;AACA,cAAI4J,SAAJ,EAAe;AACbA,qBAAS,CAACiE,KAAV,IAAmB,iBAAiBjO,IAAI,CAAC7C,IAAtB,GAA6B,GAAhD;AACD;;AAED;AA5MF;;AA8MA,UAAI6M,SAAS,IAAI5J,IAAjB,EAAuB;AACrB,YAAImI,MAAK,GAAGyB,SAAS,CAACzB,KAAtB;;AACAA,cAAK,CAACnI,IAAN,CAAWJ,IAAX;AACD;AACF,KAnND,EAxBuB,CA4OvB;;AACA,QAAIkO,IAAI,IAAIlE,SAAZ,EAAuB;AACrB2D,mBAAa,CAAC3D,SAAD,EAAY1K,KAAZ,CAAb;AACA,WAAK0K,SAAL,GAAiB,IAAjB;AACD;AACF,G;;SAEDsF,oB,GAAA,8BAAsBc,GAAtB,EAA2Bpa,IAA3B,EAAiC;AAC/B,QAAIiL,GAAG,GAAGmP,GAAG,CAACrX,MAAd;;AACA,QAAIkI,GAAG,GAAG,CAAV,EAAa;AACX,UAAIjL,IAAI,CAACyJ,GAAL,IAAY2Q,GAAG,CAACnP,GAAG,GAAG,CAAP,CAAH,CAAaxB,GAA7B,EAAkC;AAChC2Q,WAAG,CAAChQ,IAAJ,CAASpK,IAAT;AACD,OAFD,MAEO;AACL,aAAK,IAAIqa,GAAG,GAAGpP,GAAG,GAAG,CAArB,EAAwBoP,GAAG,IAAI,CAA/B,EAAkCA,GAAG,EAArC,EAAyC;AACvC,cAAIra,IAAI,CAACyJ,GAAL,GAAW2Q,GAAG,CAACC,GAAD,CAAH,CAAS5Q,GAAxB,EAA6B;AAC3B2Q,eAAG,CAAC5C,MAAJ,CAAW6C,GAAX,EAAgB,CAAhB,EAAmBra,IAAnB;AACA;AACD;AACF;AACF;AACF,KAXD,MAWO;AACLoa,SAAG,CAAChQ,IAAJ,CAASpK,IAAT;AACD;AACF,G;;SAEDsa,e,GAAA,2BAAmB;AACjB,QAAItG,SAAS,GAAG,KAAKA,SAArB;AAAA,QAAgCuG,QAAhC,CADiB,CAEjB;;AACA,QAAI,CAACvG,SAAD,IAAcA,SAAS,CAACzB,KAAV,CAAgBxP,MAAhB,KAA2B,CAA7C,EAAgD;AAC9C,UAAIuG,KAAK,GAAG,KAAKqK,SAAjB;AAAA,UAA4BxJ,OAAO,GAAGb,KAAK,CAACa,OAA5C;AACA6J,eAAS,GAAG7J,OAAO,CAACA,OAAO,CAACpH,MAAR,GAAiB,CAAlB,CAAnB;AACD;;AACD,QAAIiR,SAAJ,EAAe;AACb,UAAIzB,KAAK,GAAGyB,SAAS,CAACzB,KAAtB;AACAgI,cAAQ,GAAGhI,KAAK,CAACA,KAAK,CAACxP,MAAN,GAAe,CAAhB,CAAhB;AACD;;AACD,WAAOwX,QAAP;AACD,G;;SAEDpC,a,GAAA,uBAAeqC,KAAf,EAAsB;AACpB,QAAI9Y,CAAC,GAAG,CAAR;AAAA,QAAWuJ,GAAG,GAAGuP,KAAK,CAAC/Z,UAAvB;AAAA,QAAmCga,KAAnC;AAAA,QAA0CC,QAA1C;AAAA,QAAoDpR,KAAK,GAAG,KAAKqK,SAAjE;AAAA,QAA4EgH,KAAK,GAAGrR,KAAK,CAACsR,SAAN,IAAmB,CAAvG;AAAA,QAA0GC,SAAS,GAAGF,KAAtH;AACA,QAAIpI,KAAK,GAAG,EAAZ;AAAA,QAAgBvI,IAAhB;AAAA,QAAsB8Q,QAAtB;AAAA,QAAgCC,aAAa,GAAG,CAAC,CAAjD;AAAA,QAAoDC,YAApD,CAFoB,CAGpB;;AAEA,QAAIL,KAAK,KAAK,CAAC,CAAf,EAAkB;AAClB;AACEI,mBAAa,GAAG,CAAhB,CAFgB,CAGhB;;AACAC,kBAAY,GAAGR,KAAK,CAAC,CAAD,CAAL,GAAW,IAA1B;AACAG,WAAK,GAAG,CAAR;AACAjZ,OAAC,GAAG,CAAJ;AACD;;AAED,WAAOA,CAAC,GAAGuJ,GAAX,EAAgB;AACdwP,WAAK,GAAGD,KAAK,CAAC9Y,CAAC,EAAF,CAAb,CADc,CAEd;;AACA,UAAI,CAACiZ,KAAL,EAAY;AACVA,aAAK,GAAGF,KAAK,GAAG,CAAH,GAAO,CAApB;AACA;AACD;;AACD,UAAIE,KAAK,KAAK,CAAd,EAAiB;AACfA,aAAK,GAAGF,KAAK,GAAG,CAAH,GAAO,CAApB;AACA;AACD,OAVa,CAWd;;;AACA,UAAI,CAACA,KAAL,EAAY;AACVE,aAAK,GAAG,CAAR;AACD,OAFD,MAEO,IAAIF,KAAK,KAAK,CAAd,EAAiB;AACtB,YAAIM,aAAa,IAAI,CAArB,EAAwB;AACtB/Q,cAAI,GAAG;AAAEhK,gBAAI,EAAEwa,KAAK,CAACvQ,QAAN,CAAe8Q,aAAf,EAA8BrZ,CAAC,GAAGiZ,KAAJ,GAAY,CAA1C,CAAR;AAAsDxT,gBAAI,EAAE6T;AAA5D,WAAP,CADsB,CAEtB;;AACAzI,eAAK,CAACnI,IAAN,CAAWJ,IAAX;AACD,SAJD,MAIO;AACL;AACA;AACA;AACA;AACA,cAAIuQ,QAAQ,GAAG,KAAKD,eAAL,EAAf;;AACA,cAAIC,QAAJ,EAAc;AACZ,gBAAIM,SAAS,IAAKnZ,CAAC,IAAI,IAAImZ,SAA3B,EAAuC;AACrC;AACA;AACA;AACA,kBAAIN,QAAQ,CAACI,KAAb,EAAoB;AAClB;AACAJ,wBAAQ,CAACva,IAAT,GAAgBua,QAAQ,CAACva,IAAT,CAAciK,QAAd,CAAuB,CAAvB,EAA0BsQ,QAAQ,CAACva,IAAT,CAAcS,UAAd,GAA2Boa,SAArD,CAAhB;AACD;AACF,aATW,CAUZ;;;AACAH,oBAAQ,GAAGhZ,CAAC,GAAGiZ,KAAJ,GAAY,CAAvB;;AACA,gBAAID,QAAQ,GAAG,CAAf,EAAkB;AAChB;AACA,kBAAIO,GAAG,GAAG,IAAIvN,UAAJ,CAAe6M,QAAQ,CAACva,IAAT,CAAcS,UAAd,GAA2Bia,QAA1C,CAAV;AACAO,iBAAG,CAACnN,GAAJ,CAAQyM,QAAQ,CAACva,IAAjB,EAAuB,CAAvB;AACAib,iBAAG,CAACnN,GAAJ,CAAQ0M,KAAK,CAACvQ,QAAN,CAAe,CAAf,EAAkByQ,QAAlB,CAAR,EAAqCH,QAAQ,CAACva,IAAT,CAAcS,UAAnD;AACA8Z,sBAAQ,CAACva,IAAT,GAAgBib,GAAhB;AACD;AACF;AACF,SA/BqB,CAgCtB;;;AACA,YAAIvZ,CAAC,GAAGuJ,GAAR,EAAa;AACX6P,kBAAQ,GAAGN,KAAK,CAAC9Y,CAAD,CAAL,GAAW,IAAtB,CADW,CAEX;;AACAqZ,uBAAa,GAAGrZ,CAAhB;AACAsZ,sBAAY,GAAGF,QAAf;AACAH,eAAK,GAAG,CAAR;AACD,SAND,MAMO;AACL;AACAA,eAAK,GAAG,CAAC,CAAT;AACD;AACF,OA3CM,MA2CA;AACLA,aAAK,GAAG,CAAR;AACD;AACF;;AACD,QAAII,aAAa,IAAI,CAAjB,IAAsBJ,KAAK,IAAI,CAAnC,EAAsC;AACpC3Q,UAAI,GAAG;AAAEhK,YAAI,EAAEwa,KAAK,CAACvQ,QAAN,CAAe8Q,aAAf,EAA8B9P,GAA9B,CAAR;AAA4C9D,YAAI,EAAE6T,YAAlD;AAAgEL,aAAK,EAAEA;AAAvE,OAAP;AACApI,WAAK,CAACnI,IAAN,CAAWJ,IAAX,EAFoC,CAGpC;AACD,KA/EmB,CAgFpB;;;AACA,QAAIuI,KAAK,CAACxP,MAAN,KAAiB,CAArB,EAAwB;AACtB;AACA,UAAIwX,SAAQ,GAAG,KAAKD,eAAL,EAAf;;AACA,UAAIC,SAAJ,EAAc;AACZ,YAAIU,IAAG,GAAG,IAAIvN,UAAJ,CAAe6M,SAAQ,CAACva,IAAT,CAAcS,UAAd,GAA2B+Z,KAAK,CAAC/Z,UAAhD,CAAV;;AACAwa,YAAG,CAACnN,GAAJ,CAAQyM,SAAQ,CAACva,IAAjB,EAAuB,CAAvB;;AACAib,YAAG,CAACnN,GAAJ,CAAQ0M,KAAR,EAAeD,SAAQ,CAACva,IAAT,CAAcS,UAA7B;;AACA8Z,iBAAQ,CAACva,IAAT,GAAgBib,IAAhB;AACD;AACF;;AACD3R,SAAK,CAACsR,SAAN,GAAkBD,KAAlB;AACA,WAAOpI,KAAP;AACD;AAED;;;;;SAGAzB,U,GAAA,oBAAY9Q,IAAZ,EAAkB;AAChB,QAAI+C,MAAM,GAAG/C,IAAI,CAACS,UAAlB;AAAA,QACEya,YAAY,GAAG,EADjB;AAAA,QAEExZ,CAAC,GAAG,CAFN;AAAA,QAGEyZ,SAHF;AAAA,QAGa5D,OAHb,CADgB,CAMhB;;AACA,WAAO7V,CAAC,GAAGqB,MAAM,GAAG,CAApB,EAAuB;AACrB,UAAI/C,IAAI,CAAC0B,CAAD,CAAJ,KAAY,CAAZ,IACA1B,IAAI,CAAC0B,CAAC,GAAG,CAAL,CAAJ,KAAgB,CADhB,IAEA1B,IAAI,CAAC0B,CAAC,GAAG,CAAL,CAAJ,KAAgB,IAFpB,EAE0B;AACxBwZ,oBAAY,CAAC9Q,IAAb,CAAkB1I,CAAC,GAAG,CAAtB;AACAA,SAAC,IAAI,CAAL;AACD,OALD,MAKO;AACLA,SAAC;AACF;AACF,KAhBe,CAkBhB;AACA;;;AACA,QAAIwZ,YAAY,CAACnY,MAAb,KAAwB,CAA5B,EAA+B;AAC7B,aAAO/C,IAAP;AACD,KAtBe,CAwBhB;;;AACAmb,aAAS,GAAGpY,MAAM,GAAGmY,YAAY,CAACnY,MAAlC;AACAwU,WAAO,GAAG,IAAI7J,UAAJ,CAAeyN,SAAf,CAAV;AACA,QAAIC,WAAW,GAAG,CAAlB;;AAEA,SAAK1Z,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGyZ,SAAhB,EAA2BC,WAAW,IAAI1Z,CAAC,EAA3C,EAA+C;AAC7C,UAAI0Z,WAAW,KAAKF,YAAY,CAAC,CAAD,CAAhC,EAAqC;AACnC;AACAE,mBAAW,GAFwB,CAGnC;;AACAF,oBAAY,CAACG,KAAb;AACD;;AACD9D,aAAO,CAAC7V,CAAD,CAAP,GAAa1B,IAAI,CAACob,WAAD,CAAjB;AACD;;AACD,WAAO7D,OAAP;AACD,G;;SAED7B,Y,GAAA,sBAAcrB,GAAd,EAAmB;AACjB,QAAI/K,KAAK,GAAG,KAAKsB,WAAjB;AAAA,QACE5K,IAAI,GAAGqU,GAAG,CAACrU,IADb;AAAA,QAEEyJ,GAAG,GAAG4K,GAAG,CAAC5K,GAFZ;AAAA,QAGE6R,WAAW,GAAG,CAHhB;AAAA,QAIExH,WAAW,GAAG,KAAKA,WAJrB;AAAA,QAKEC,UAAU,GAAG,KAAKA,UALpB;AAAA,QAMEpK,aANF;AAAA,QAMiBD,UANjB;AAAA,QAM6B5G,MAN7B;AAAA,QAMqC8G,KANrC;AAAA,QAM4CqB,GAN5C;;AAOA,QAAI6I,WAAJ,EAAiB;AACf,UAAImH,GAAG,GAAG,IAAIvN,UAAJ,CAAeoG,WAAW,CAACrT,UAAZ,GAAyBT,IAAI,CAACS,UAA7C,CAAV;AACAwa,SAAG,CAACnN,GAAJ,CAAQgG,WAAR,EAAqB,CAArB;AACAmH,SAAG,CAACnN,GAAJ,CAAQ9N,IAAR,EAAc8T,WAAW,CAACrT,UAA1B,EAHe,CAIf;;AACAT,UAAI,GAAGib,GAAP;AACD,KAdgB,CAejB;;;AACA,SAAKnY,MAAM,GAAGwY,WAAT,EAAsBrQ,GAAG,GAAGjL,IAAI,CAAC+C,MAAtC,EAA8CD,MAAM,GAAGmI,GAAG,GAAG,CAA7D,EAAgEnI,MAAM,EAAtE,EAA0E;AACxE,UAAIyI,QAAA,CAAcvL,IAAd,EAAoB8C,MAApB,CAAJ,EAAiC;AAC/B;AACD;AACF,KApBgB,CAqBjB;;;AACA,QAAIA,MAAJ,EAAY;AACV,UAAI4E,MAAJ,EAAYD,KAAZ;;AACA,UAAI3E,MAAM,GAAGmI,GAAG,GAAG,CAAnB,EAAsB;AACpBvD,cAAM,sDAAoD5E,MAA1D;AACA2E,aAAK,GAAG,KAAR;AACD,OAHD,MAGO;AACLC,cAAM,GAAG,iCAAT;AACAD,aAAK,GAAG,IAAR;AACD;;AACDrB,sBAAM,CAACgN,IAAP,oBAA6B1L,MAA7B;AACA,WAAKjC,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACC,KAA5B,EAAmC;AAAEC,YAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,eAAO,EAAEC,sBAAY,CAACe,kBAAtD;AAA0Eb,aAAK,EAAEA,KAAjF;AAAwFC,cAAM,EAAEA;AAAhG,OAAnC;;AACA,UAAID,KAAJ,EAAW;AACT;AACD;AACF;;AAED8D,mBAAA,CAAqBjC,KAArB,EAA4B,KAAK7D,QAAjC,EAA2CzF,IAA3C,EAAiD8C,MAAjD,EAAyD,KAAK8E,UAA9D;AACA8B,cAAU,GAAG,CAAb;AACAC,iBAAa,GAAG4B,gBAAA,CAAsBjC,KAAK,CAACZ,UAA5B,CAAhB,CAxCiB,CA0CjB;AACA;;AACA,QAAIoL,WAAW,IAAIC,UAAnB,EAA+B;AAC7B,UAAIwH,MAAM,GAAGxH,UAAU,GAAGpK,aAA1B;;AACA,UAAIiE,IAAI,CAAC4N,GAAL,CAASD,MAAM,GAAG9R,GAAlB,IAAyB,CAA7B,EAAgC;AAC9BrD,wBAAM,CAACC,GAAP,+CAAuDuH,IAAI,CAAC6J,KAAL,CAAW,CAAC8D,MAAM,GAAG9R,GAAV,IAAiB,EAA5B,CAAvD;AACAA,WAAG,GAAG8R,MAAN;AACD;AACF,KAlDgB,CAoDjB;;;AACA,WAAOzY,MAAM,GAAGmI,GAAhB,EAAqB;AACnB,UAAIM,QAAA,CAAcvL,IAAd,EAAoB8C,MAApB,CAAJ,EAAiC;AAC/B,YAAKA,MAAM,GAAG,CAAV,GAAemI,GAAnB,EAAwB;AACtB,cAAMc,KAAK,GAAGR,WAAA,CAAiBjC,KAAjB,EAAwBtJ,IAAxB,EAA8B8C,MAA9B,EAAsC2G,GAAtC,EAA2CC,UAA3C,CAAd;;AACA,cAAIqC,KAAJ,EAAW;AACTjJ,kBAAM,IAAIiJ,KAAK,CAAChJ,MAAhB;AACA6G,iBAAK,GAAGmC,KAAK,CAAC1B,MAAN,CAAaZ,GAArB;AACAC,sBAAU;AACV;AACD;AACF,SAT8B,CAU/B;AACA;;;AACA;AACD,OAbD,MAaO;AACL;AACA5G,cAAM;AACP;AACF;;AAED,QAAIA,MAAM,GAAGmI,GAAb,EAAkB;AAChB6I,iBAAW,GAAG9T,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBmI,GAAtB,CAAd,CADgB,CAEhB;AACD,KAHD,MAGO;AACL6I,iBAAW,GAAG,IAAd;AACD;;AAED,SAAKA,WAAL,GAAmBA,WAAnB;AACA,SAAKC,UAAL,GAAkBnK,KAAlB;AACD,G;;SAEDgM,a,GAAA,uBAAevB,GAAf,EAAoB;AAClB,QAAIrU,IAAI,GAAGqU,GAAG,CAACrU,IAAf;AACA,QAAI+C,MAAM,GAAG/C,IAAI,CAAC+C,MAAlB;AACA,QAAI2G,UAAU,GAAG,CAAjB;AACA,QAAI5G,MAAM,GAAG,CAAb;AACA,QAAI2G,GAAG,GAAG4K,GAAG,CAAC5K,GAAd;;AAEA,WAAO3G,MAAM,GAAGC,MAAhB,EAAwB;AACtB,UAAIkJ,SAAS,CAACjD,QAAV,CAAmBhJ,IAAnB,EAAyB8C,MAAzB,CAAJ,EAAsC;AACpC,YAAIiJ,KAAK,GAAGE,SAAS,CAACpC,WAAV,CAAsB,KAAKe,WAA3B,EAAwC5K,IAAxC,EAA8C8C,MAA9C,EAAsD2G,GAAtD,EAA2DC,UAA3D,CAAZ;;AACA,YAAIqC,KAAJ,EAAW;AACTjJ,gBAAM,IAAIiJ,KAAK,CAAChJ,MAAhB;AACA2G,oBAAU;AACX,SAHD,MAGO;AACL;AACA;AACD;AACF,OATD,MASO;AACL;AACA5G,cAAM;AACP;AACF;AACF,G;;SAEDgT,Y,GAAA,sBAAczB,GAAd,EAAmB;AACjB,SAAKT,SAAL,CAAezJ,OAAf,CAAuBC,IAAvB,CAA4BiK,GAA5B;AACD,G;;;;;AAGYxB,iEAAf,E;;ACzkCA;;;AAGA;AACA;AACA;;IAEM4I,qB;;;AACJ,sBAAahW,QAAb,EAAuB8E,OAAvB,EAAgC7E,MAAhC,EAAwC;AACtC,SAAKD,QAAL,GAAgBA,QAAhB;AACA,SAAKC,MAAL,GAAcA,MAAd;AACA,SAAK6E,OAAL,GAAeA,OAAf;AACD;;;;SAEDC,gB,GAAA,0BAAkBC,WAAlB,EAA+B7C,UAA/B,EAA2C8C,UAA3C,EAAuDC,QAAvD,EAAiE;AAC/D,SAAKC,WAAL,GAAmB;AAAEC,eAAS,EAAE,YAAb;AAA2B1D,UAAI,EAAE,OAAjC;AAA0C2D,QAAE,EAAE,CAAC,CAA/C;AAAkDC,oBAAc,EAAE,CAAlE;AAAqEC,WAAK,EAAE,KAA5E;AAAmFb,aAAO,EAAE,EAA5F;AAAgGc,SAAG,EAAE,CAArG;AAAwG7C,mBAAa,EAAER,UAAvH;AAAmI+C,cAAQ,EAAEA,QAA7I;AAAuJO,oBAAc,EAAE;AAAvK,KAAnB;AACD,G;;SAEDC,c,GAAA,0BAAkB,CACjB,C;;aAEMlC,K,GAAP,eAAcjJ,IAAd,EAAoB;AAClB;AACA,QAAI8C,MAAJ,EAAYC,MAAZ;AACA,QAAIqI,OAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB,CAArB,CAAd;;AACA,QAAIoL,OAAO,IAAIC,cAAG,CAACQ,YAAJ,CAAiBT,OAAjB,MAA8B/F,SAA7C,EAAwD;AACtD;AACA;AACA;AACA,WAAKvC,MAAM,GAAGsI,OAAO,CAACrI,MAAjB,EAAyBA,MAAM,GAAG6K,IAAI,CAACC,GAAL,CAAS7N,IAAI,CAAC+C,MAAL,GAAc,CAAvB,EAA0BD,MAAM,GAAG,GAAnC,CAAvC,EAAgFA,MAAM,GAAGC,MAAzF,EAAiGD,MAAM,EAAvG,EAA2G;AACzG,YAAImJ,SAAS,CAAChD,KAAV,CAAgBjJ,IAAhB,EAAsB8C,MAAtB,CAAJ,EAAmC;AACjCsD,0BAAM,CAACC,GAAP,CAAW,8BAAX;AACA,iBAAO,IAAP;AACD;AACF;AACF;;AACD,WAAO,KAAP;AACD,G,CAED;;;SACAmF,M,GAAA,gBAAQxL,IAAR,EAAcyL,UAAd,EAA0BC,UAA1B,EAAsCC,kBAAtC,EAA0D;AACxD,QAAIP,OAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB,CAArB,CAAd;AACA,QAAI4L,SAAS,GAAGP,cAAG,CAACQ,YAAJ,CAAiBT,OAAjB,CAAhB;AACA,QAAI3B,GAAG,GAAGmC,SAAS,GAAG,KAAKA,SAAR,GAAoBH,UAAU,GAAG,KAApD;AACA,QAAI3I,MAAM,GAAGsI,OAAO,CAACrI,MAArB;AACA,QAAIA,MAAM,GAAG/C,IAAI,CAAC+C,MAAlB;AACA,QAAI2G,UAAU,GAAG,CAAjB;AAAA,QAAoBE,KAAK,GAAG,CAA5B;AACA,QAAIN,KAAK,GAAG,KAAKsB,WAAjB;AAEA,QAAIkB,UAAU,GAAG,CAAC;AAAErC,SAAG,EAAEA,GAAP;AAAYS,SAAG,EAAET,GAAjB;AAAsBzJ,UAAI,EAAEoL;AAA5B,KAAD,CAAjB;;AAEA,WAAOtI,MAAM,GAAGC,MAAhB,EAAwB;AACtB,UAAIkJ,SAAS,CAACjD,QAAV,CAAmBhJ,IAAnB,EAAyB8C,MAAzB,CAAJ,EAAsC;AACpC,YAAIiJ,KAAK,GAAGE,SAAS,CAACpC,WAAV,CAAsBP,KAAtB,EAA6BtJ,IAA7B,EAAmC8C,MAAnC,EAA2C2G,GAA3C,EAAgDC,UAAhD,CAAZ;;AACA,YAAIqC,KAAJ,EAAW;AACTjJ,gBAAM,IAAIiJ,KAAK,CAAChJ,MAAhB;AACA6G,eAAK,GAAGmC,KAAK,CAAC1B,MAAN,CAAaZ,GAArB;AACAC,oBAAU;AACX,SAJD,MAIO;AACL;AACA;AACD;AACF,OAVD,MAUO,IAAI2B,cAAG,CAACrC,QAAJ,CAAahJ,IAAb,EAAmB8C,MAAnB,CAAJ,EAAgC;AACrCsI,eAAO,GAAGC,cAAG,CAACC,UAAJ,CAAetL,IAAf,EAAqB8C,MAArB,CAAV;AACAgJ,kBAAU,CAAC1B,IAAX,CAAgB;AAAEX,aAAG,EAAEG,KAAP;AAAcM,aAAG,EAAEN,KAAnB;AAA0B5J,cAAI,EAAEoL;AAAhC,SAAhB;AACAtI,cAAM,IAAIsI,OAAO,CAACrI,MAAlB;AACD,OAJM,MAIA;AACL;AACAD,cAAM;AACP;AACF;;AAED,SAAKyH,OAAL,CAAayB,KAAb,CAAmB1C,KAAnB,EACE;AAAEa,aAAO,EAAE;AAAX,KADF,EAEE;AAAEA,aAAO,EAAE2B,UAAX;AAAuBZ,oBAAc,EAAE;AAAvC,KAFF,EAGE;AAAEf,aAAO,EAAE;AAAX,KAHF,EAIEsB,UAJF,EAKEC,UALF,EAMEC,kBANF;AAOD,G;;SAEDvG,O,GAAA,mBAAW,CACV,C;;;;;AAGYqW,oEAAf,E;;ACrFA;;;IAIMC,G;;;;;MACGC,c,GAAP,wBAAuB/S,KAAvB,EAA8BD,YAA9B,EAA4C;AAC1C,YAAQC,KAAR;AACA,WAAK,WAAL;AACE,YAAID,YAAY,KAAK,CAArB,EAAwB;AACtB,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,CAAf,CAAP;AACD,SAFD,MAEO,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,EAAqC,IAArC,EAA2C,IAA3C,EAAiD,IAAjD,CAAf,CAAP;AACD,SAFM,MAEA,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,EAAqC,IAArC,EAA2C,IAA3C,EAAiD,IAAjD,EAAuD,IAAvD,EAA6D,IAA7D,EAAmE,IAAnE,EAAyE,IAAzE,CAAf,CAAP;AACD,SAFM,MAEA,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,EAAqC,IAArC,EAA2C,IAA3C,EAAiD,IAAjD,EAAuD,IAAvD,EAA6D,IAA7D,EAAmE,IAAnE,EAAyE,IAAzE,EAA+E,IAA/E,EAAqF,IAArF,EAA2F,IAA3F,EAAiG,IAAjG,EAAuG,IAAvG,CAAf,CAAP;AACD,SAFM,MAEA,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,EAAqC,IAArC,EAA2C,IAA3C,EAAiD,IAAjD,EAAuD,IAAvD,EAA6D,IAA7D,EAAmE,IAAnE,EAAyE,IAAzE,EAA+E,IAA/E,EAAqF,IAArF,EAA2F,IAA3F,EAAiG,IAAjG,EAAuG,IAAvG,EAA6G,IAA7G,EAAmH,IAAnH,EAAyH,IAAzH,CAAf,CAAP;AACD,SAFM,MAEA,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,EAAmB,IAAnB,EAAyB,IAAzB,EAA+B,IAA/B,EAAqC,IAArC,EAA2C,IAA3C,EAAiD,IAAjD,EAAuD,IAAvD,EAA6D,IAA7D,EAAmE,IAAnE,EAAyE,IAAzE,EAA+E,IAA/E,EAAqF,IAArF,EAA2F,IAA3F,EAAiG,IAAjG,EAAuG,IAAvG,EAA6G,IAA7G,EAAmH,IAAnH,EAAyH,IAAzH,EAA+H,IAA/H,EAAqI,IAArI,EAA2I,IAA3I,EAAiJ,IAAjJ,EAAuJ,IAAvJ,CAAf,CAAP;AACD;;AAED;AACF;;AACA;AACE,YAAI/E,YAAY,KAAK,CAArB,EAAwB;AACtB;AACA,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,GAAD,EAAM,IAAN,EAAY,IAAZ,EAAkB,IAAlB,EAAwB,IAAxB,EAA8B,IAA9B,EAAoC,IAApC,EAA0C,IAA1C,EAAgD,IAAhD,EAAsD,GAAtD,EAA2D,GAA3D,EAAgE,GAAhE,EAAqE,GAArE,EAA0E,IAA1E,EAAgF,GAAhF,EAAqF,IAArF,EAA2F,IAA3F,EAAiG,GAAjG,EAAsG,IAAtG,EAA4G,IAA5G,EAAkH,IAAlH,EAAwH,IAAxH,EAA8H,IAA9H,EAAoI,IAApI,EAA0I,IAA1I,EAAgJ,IAAhJ,EAAsJ,IAAtJ,EAA4J,IAA5J,EAAkK,IAAlK,EAAwK,IAAxK,EAA8K,IAA9K,EAAoL,IAApL,EAA0L,IAA1L,EAAgM,IAAhM,EAAsM,IAAtM,EAA4M,IAA5M,EAAkN,IAAlN,EAAwN,IAAxN,EAA8N,IAA9N,EAAoO,IAApO,EAA0O,IAA1O,EAAgP,IAAhP,EAAsP,IAAtP,EAA4P,IAA5P,EAAkQ,IAAlQ,EAAwQ,IAAxQ,EAA8Q,IAA9Q,EAAoR,IAApR,EAA0R,IAA1R,EAAgS,IAAhS,EAAsS,IAAtS,EAA4S,IAA5S,EAAkT,IAAlT,EAAwT,IAAxT,EAA8T,IAA9T,EAAoU,IAApU,EAA0U,IAA1U,EAAgV,IAAhV,EAAsV,IAAtV,CAAf,CAAP;AACD,SAHD,MAGO,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B;AACA,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,GAAD,EAAM,IAAN,EAAY,IAAZ,EAAkB,IAAlB,EAAwB,IAAxB,EAA8B,IAA9B,EAAoC,IAApC,EAA0C,IAA1C,EAAgD,IAAhD,EAAsD,GAAtD,EAA2D,GAA3D,EAAgE,GAAhE,EAAqE,GAArE,EAA0E,GAA1E,EAA+E,IAA/E,EAAqF,GAArF,EAA0F,GAA1F,EAA+F,IAA/F,EAAqG,IAArG,EAA2G,GAA3G,EAAgH,IAAhH,EAAsH,IAAtH,EAA4H,IAA5H,EAAkI,IAAlI,EAAwI,IAAxI,EAA8I,IAA9I,EAAoJ,IAApJ,EAA0J,IAA1J,EAAgK,IAAhK,EAAsK,IAAtK,EAA4K,IAA5K,EAAkL,IAAlL,EAAwL,IAAxL,EAA8L,IAA9L,EAAoM,IAApM,EAA0M,IAA1M,EAAgN,IAAhN,EAAsN,IAAtN,EAA4N,IAA5N,EAAkO,IAAlO,EAAwO,IAAxO,EAA8O,IAA9O,EAAoP,IAApP,EAA0P,IAA1P,EAAgQ,IAAhQ,EAAsQ,IAAtQ,EAA4Q,IAA5Q,EAAkR,IAAlR,EAAwR,IAAxR,EAA8R,IAA9R,EAAoS,IAApS,EAA0S,IAA1S,EAAgT,IAAhT,EAAsT,IAAtT,EAA4T,IAA5T,EAAkU,IAAlU,EAAwU,IAAxU,EAA8U,IAA9U,EAAoV,IAApV,CAAf,CAAP;AACD,SAHM,MAGA,IAAI/E,YAAY,KAAK,CAArB,EAAwB;AAC7B;AACA,iBAAO,IAAI+E,UAAJ,CAAe,CAAC,GAAD,EAAM,IAAN,EAAY,IAAZ,EAAkB,IAAlB,EAAwB,IAAxB,EAA8B,IAA9B,EAAoC,IAApC,EAA0C,IAA1C,EAAgD,IAAhD,EAAsD,GAAtD,EAA2D,GAA3D,EAAgE,GAAhE,EAAqE,GAArE,EAA0E,GAA1E,EAA+E,IAA/E,EAAqF,GAArF,EAA0F,GAA1F,EAA+F,IAA/F,EAAqG,IAArG,EAA2G,GAA3G,EAAgH,IAAhH,EAAsH,IAAtH,EAA4H,IAA5H,EAAkI,IAAlI,EAAwI,IAAxI,EAA8I,IAA9I,EAAoJ,IAApJ,EAA0J,IAA1J,EAAgK,IAAhK,EAAsK,IAAtK,EAA4K,IAA5K,EAAkL,IAAlL,EAAwL,IAAxL,EAA8L,IAA9L,EAAoM,IAApM,EAA0M,IAA1M,EAAgN,IAAhN,EAAsN,IAAtN,EAA4N,IAA5N,EAAkO,IAAlO,EAAwO,IAAxO,EAA8O,IAA9O,EAAoP,IAApP,EAA0P,IAA1P,EAAgQ,IAAhQ,EAAsQ,IAAtQ,EAA4Q,IAA5Q,EAAkR,IAAlR,EAAwR,IAAxR,EAA8R,IAA9R,EAAoS,IAApS,EAA0S,IAA1S,EAAgT,IAAhT,EAAsT,IAAtT,EAA4T,IAA5T,EAAkU,IAAlU,EAAwU,IAAxU,EAA8U,IAA9U,EAAoV,IAApV,CAAf,CAAP;AACD;;AACD;AA7BF;;AA+BA,WAAO,IAAP;AACD,G;;;;;AAGYgO,kDAAf,E;;ACzCA;;;AAIA,IAAME,UAAU,GAAGhO,IAAI,CAACiO,GAAL,CAAS,CAAT,EAAY,EAAZ,IAAkB,CAArC;;IAEMC,G;;;;;MACGC,I,GAAP,gBAAe;AACbD,OAAG,CAACE,KAAJ,GAAY;AACVC,UAAI,EAAE,EADI;AACA;AACVC,UAAI,EAAE,EAFI;AAGVC,UAAI,EAAE,EAHI;AAIVC,UAAI,EAAE,EAJI;AAKVC,UAAI,EAAE,EALI;AAMVC,UAAI,EAAE,EANI;AAOVC,UAAI,EAAE,EAPI;AAQVC,UAAI,EAAE,EARI;AASVC,UAAI,EAAE,EATI;AAUVC,UAAI,EAAE,EAVI;AAWVC,UAAI,EAAE,EAXI;AAYVC,UAAI,EAAE,EAZI;AAaVC,UAAI,EAAE,EAbI;AAcVC,UAAI,EAAE,EAdI;AAeVC,UAAI,EAAE,EAfI;AAgBVC,UAAI,EAAE,EAhBI;AAiBV,cAAQ,EAjBE;AAkBVC,UAAI,EAAE,EAlBI;AAmBVC,UAAI,EAAE,EAnBI;AAoBVC,UAAI,EAAE,EApBI;AAqBVC,UAAI,EAAE,EArBI;AAsBVC,UAAI,EAAE,EAtBI;AAuBVC,UAAI,EAAE,EAvBI;AAwBVC,UAAI,EAAE,EAxBI;AAyBVC,UAAI,EAAE,EAzBI;AA0BVC,UAAI,EAAE,EA1BI;AA2BVC,UAAI,EAAE,EA3BI;AA4BVC,UAAI,EAAE,EA5BI;AA6BVC,UAAI,EAAE,EA7BI;AA8BVC,UAAI,EAAE,EA9BI;AA+BVC,UAAI,EAAE,EA/BI;AAgCVC,UAAI,EAAE,EAhCI;AAiCVC,UAAI,EAAE,EAjCI;AAkCVC,UAAI,EAAE,EAlCI;AAmCVC,UAAI,EAAE,EAnCI;AAoCVC,UAAI,EAAE;AApCI,KAAZ;AAuCA,QAAIzc,CAAJ;;AACA,SAAKA,CAAL,IAAUoa,GAAG,CAACE,KAAd,EAAqB;AACnB,UAAIF,GAAG,CAACE,KAAJ,CAAUoC,cAAV,CAAyB1c,CAAzB,CAAJ,EAAiC;AAC/Boa,WAAG,CAACE,KAAJ,CAAUta,CAAV,IAAe,CACbA,CAAC,CAAC2c,UAAF,CAAa,CAAb,CADa,EAEb3c,CAAC,CAAC2c,UAAF,CAAa,CAAb,CAFa,EAGb3c,CAAC,CAAC2c,UAAF,CAAa,CAAb,CAHa,EAIb3c,CAAC,CAAC2c,UAAF,CAAa,CAAb,CAJa,CAAf;AAMD;AACF;;AAED,QAAIC,SAAS,GAAG,IAAI5Q,UAAJ,CAAe,CAC7B,IAD6B,EACvB;AACN,QAF6B,EAEvB,IAFuB,EAEjB,IAFiB,EAEX;AAClB,QAH6B,EAGvB,IAHuB,EAGjB,IAHiB,EAGX,IAHW,EAGL;AACxB,QAJ6B,EAIvB,IAJuB,EAIjB,IAJiB,EAIX,IAJW,EAIL;AACxB,QAL6B,EAKvB,IALuB,EAKjB,IALiB,EAKX,IALW,EAKL;AACxB,QAN6B,EAMvB,IANuB,EAMjB,IANiB,EAMX,IANW,EAML;AACxB,QAP6B,EAOvB,IAPuB,EAOjB,IAPiB,EAOX,IAPW,EAOL;AACxB,QAR6B,EAQvB,IARuB,EAQjB,IARiB,EAQX,IARW,EAS7B,IAT6B,EASvB,IATuB,EASjB,IATiB,EASX,IATW,EAU7B,IAV6B,EAUvB,IAVuB,EAUjB,IAViB,EAUX,IAVW,EAUL,IAVK,CAUA;AAVA,KAAf,CAAhB;AAaA,QAAI6Q,SAAS,GAAG,IAAI7Q,UAAJ,CAAe,CAC7B,IAD6B,EACvB;AACN,QAF6B,EAEvB,IAFuB,EAEjB,IAFiB,EAEX;AAClB,QAH6B,EAGvB,IAHuB,EAGjB,IAHiB,EAGX,IAHW,EAGL;AACxB,QAJ6B,EAIvB,IAJuB,EAIjB,IAJiB,EAIX,IAJW,EAIL;AACxB,QAL6B,EAKvB,IALuB,EAKjB,IALiB,EAKX,IALW,EAKL;AACxB,QAN6B,EAMvB,IANuB,EAMjB,IANiB,EAMX,IANW,EAML;AACxB,QAP6B,EAOvB,IAPuB,EAOjB,IAPiB,EAOX,IAPW,EAOL;AACxB,QAR6B,EAQvB,IARuB,EAQjB,IARiB,EAQX,IARW,EAS7B,IAT6B,EASvB,IATuB,EASjB,IATiB,EASX,IATW,EAU7B,IAV6B,EAUvB,IAVuB,EAUjB,IAViB,EAUX,IAVW,EAUL,IAVK,CAUA;AAVA,KAAf,CAAhB;AAaAoO,OAAG,CAAC0C,UAAJ,GAAiB;AACf,eAASF,SADM;AAEf,eAASC;AAFM,KAAjB;AAKA,QAAIlC,IAAI,GAAG,IAAI3O,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ,IAHY,EAGN,IAHM,EAGA;AACxB,QAJwB,EAIlB,IAJkB,EAIZ,IAJY,EAIN,IAJM,EAIA;AACxB,QALwB,EAKlB,IALkB,EAKZ,IALY,EAKN,IALM,EAKA;AACxB,QANwB,EAMlB;AACN,QAPwB,EAOlB,IAPkB,EAOZ,IAPY,CAOP;AAPO,KAAf,CAAX;AAUA,QAAI4P,IAAI,GAAG,IAAI5P,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ,IAHY,EAGN,IAHM,CAGD;AAHC,KAAf,CAAX;AAMAoO,OAAG,CAAC2C,IAAJ,GAAW3C,GAAG,CAAC4C,IAAJ,GAAW5C,GAAG,CAAC6C,IAAJ,GAAWrB,IAAjC;AAEAxB,OAAG,CAAC8C,IAAJ,GAAW,IAAIlR,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ,IAHY,EAGN,IAHM,EAGA;AACxB,QAJwB,EAIlB,IAJkB,EAIZ,IAJY,EAIN,IAJM,CAID;AAJC,KAAf,CAAX;AAMAoO,OAAG,CAAC+C,IAAJ,GAAW,IAAInR,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ;AACZ,QAJwB,EAIlB,IAJkB,EAKxB,IALwB,EAKlB,IALkB,EAMxB,IANwB,EAMlB,IANkB,CAMb;AANa,KAAf,CAAX;AAQAoO,OAAG,CAACgD,IAAJ,GAAW,IAAIpR,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ;AACZ,QAJwB,EAIlB,IAJkB,CAIb;AAJa,KAAf,CAAX;AAOAoO,OAAG,CAACiD,IAAJ,GAAW,IAAIrR,UAAJ,CAAe,CACxB,IADwB,EAClB;AACN,QAFwB,EAElB,IAFkB,EAEZ,IAFY,EAEN;AAClB,QAHwB,EAGlB,IAHkB,EAGZ,IAHY,EAGN,IAHM,CAAf,CAAX,CA1Ha,CA6Hc;;AAE3B,QAAIsR,UAAU,GAAG,IAAItR,UAAJ,CAAe,CAAC,GAAD,EAAM,GAAN,EAAW,GAAX,EAAgB,GAAhB,CAAf,CAAjB,CA/Ha,CA+H0C;;AACvD,QAAIuR,SAAS,GAAG,IAAIvR,UAAJ,CAAe,CAAC,EAAD,EAAK,GAAL,EAAU,EAAV,EAAc,EAAd,CAAf,CAAhB,CAhIa,CAgIsC;;AACnD,QAAIwR,YAAY,GAAG,IAAIxR,UAAJ,CAAe,CAAC,CAAD,EAAI,CAAJ,EAAO,CAAP,EAAU,CAAV,CAAf,CAAnB;AAEAoO,OAAG,CAACqD,IAAJ,GAAWrD,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUO,IAAlB,EAAwByC,UAAxB,EAAoCE,YAApC,EAAkDF,UAAlD,EAA8DC,SAA9D,CAAX;AACAnD,OAAG,CAACuD,IAAJ,GAAWvD,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUI,IAAlB,EAAwBN,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUK,IAAlB,EAAwBA,IAAxB,CAAxB,CAAX;AACD,G;;MAEM+C,G,GAAP,aAAYjY,IAAZ,EAAkB;AAChB,QACEmY,OAAO,GAAG9W,KAAK,CAAC+W,SAAN,CAAgB1e,KAAhB,CAAsB2e,IAAtB,CAA2BC,SAA3B,EAAsC,CAAtC,CADZ;AAAA,QAEEtR,IAAI,GAAG,CAFT;AAAA,QAGEzM,CAAC,GAAG4d,OAAO,CAACvc,MAHd;AAAA,QAIEkI,GAAG,GAAGvJ,CAJR;AAAA,QAKEmF,MALF,CADgB,CAOhB;;AACA,WAAOnF,CAAC,EAAR,EAAY;AACVyM,UAAI,IAAImR,OAAO,CAAC5d,CAAD,CAAP,CAAWjB,UAAnB;AACD;;AAEDoG,UAAM,GAAG,IAAI6G,UAAJ,CAAeS,IAAf,CAAT;AACAtH,UAAM,CAAC,CAAD,CAAN,GAAasH,IAAI,IAAI,EAAT,GAAe,IAA3B;AACAtH,UAAM,CAAC,CAAD,CAAN,GAAasH,IAAI,IAAI,EAAT,GAAe,IAA3B;AACAtH,UAAM,CAAC,CAAD,CAAN,GAAasH,IAAI,IAAI,CAAT,GAAc,IAA1B;AACAtH,UAAM,CAAC,CAAD,CAAN,GAAYsH,IAAI,GAAG,IAAnB;AACAtH,UAAM,CAACiH,GAAP,CAAW3G,IAAX,EAAiB,CAAjB,EAjBgB,CAkBhB;;AACA,SAAKzF,CAAC,GAAG,CAAJ,EAAOyM,IAAI,GAAG,CAAnB,EAAsBzM,CAAC,GAAGuJ,GAA1B,EAA+BvJ,CAAC,EAAhC,EAAoC;AAClC;AACAmF,YAAM,CAACiH,GAAP,CAAWwR,OAAO,CAAC5d,CAAD,CAAlB,EAAuByM,IAAvB;AACAA,UAAI,IAAImR,OAAO,CAAC5d,CAAD,CAAP,CAAWjB,UAAnB;AACD;;AACD,WAAOoG,MAAP;AACD,G;;MAEM2V,I,GAAP,cAAarV,IAAb,EAAmB;AACjB,WAAO2U,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUQ,IAAlB,EAAwBV,GAAG,CAAC0C,UAAJ,CAAerX,IAAf,CAAxB,CAAP;AACD,G;;MAEMsV,I,GAAP,cAAazc,IAAb,EAAmB;AACjB,WAAO8b,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUS,IAAlB,EAAwBzc,IAAxB,CAAP;AACD,G;;MAEM0c,I,GAAP,cAAagD,SAAb,EAAwB/U,QAAxB,EAAkC;AAChCA,YAAQ,IAAI+U,SAAZ;AACA,QAAMC,iBAAiB,GAAG/R,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAIiR,UAAU,GAAG,CAAjB,CAAnB,CAA1B;AACA,QAAMgE,iBAAiB,GAAGhS,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAIiR,UAAU,GAAG,CAAjB,CAAnB,CAA1B;AACA,WAAOE,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUU,IAAlB,EAAwB,IAAIhP,UAAJ,CAAe,CAC5C,IAD4C,EACtC;AACN,QAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AAClB,QAH4C,EAGtC,IAHsC,EAGhC,IAHgC,EAG1B,IAH0B,EAGpB,IAHoB,EAGd,IAHc,EAGR,IAHQ,EAGF,IAHE,EAGI;AAChD,QAJ4C,EAItC,IAJsC,EAIhC,IAJgC,EAI1B,IAJ0B,EAIpB,IAJoB,EAId,IAJc,EAIR,IAJQ,EAIF,IAJE,EAII;AAC/CgS,aAAS,IAAI,EAAd,GAAoB,IALwB,EAM3CA,SAAS,IAAI,EAAd,GAAoB,IANwB,EAO3CA,SAAS,IAAI,CAAd,GAAmB,IAPyB,EAQ5CA,SAAS,GAAG,IARgC,EAQ1B;AACjBC,qBAAiB,IAAI,EATsB,EAU3CA,iBAAiB,IAAI,EAAtB,GAA4B,IAVgB,EAW3CA,iBAAiB,IAAI,CAAtB,GAA2B,IAXiB,EAY5CA,iBAAiB,GAAG,IAZwB,EAa3CC,iBAAiB,IAAI,EAbsB,EAc3CA,iBAAiB,IAAI,EAAtB,GAA4B,IAdgB,EAe3CA,iBAAiB,IAAI,CAAtB,GAA2B,IAfiB,EAgB5CA,iBAAiB,GAAG,IAhBwB,EAiB5C,IAjB4C,EAiBtC,IAjBsC,EAiBhC;AACZ,QAlB4C,EAkBtC,IAlBsC,CAAf,CAAxB,CAAP;AAoBD,G;;MAEMjD,I,GAAP,cAAarT,KAAb,EAAoB;AAClB,WAAOwS,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUW,IAAlB,EAAwBb,GAAG,CAACY,IAAJ,CAASpT,KAAK,CAACoW,SAAf,EAA0BpW,KAAK,CAACqB,QAAhC,CAAxB,EAAmEmR,GAAG,CAACU,IAAJ,CAASlT,KAAK,CAACnC,IAAf,CAAnE,EAAyF2U,GAAG,CAACe,IAAJ,CAASvT,KAAT,CAAzF,CAAP;AACD,G;;MAEMsT,I,GAAP,cAAa7R,cAAb,EAA6B;AAC3B,WAAO+Q,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUY,IAAlB,EAAwB,IAAIlP,UAAJ,CAAe,CAC5C,IAD4C,EAE5C,IAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AACjB3C,kBAAc,IAAI,EAHyB,EAI3CA,cAAc,IAAI,EAAnB,GAAyB,IAJmB,EAK3CA,cAAc,IAAI,CAAnB,GAAwB,IALoB,EAM5CA,cAAc,GAAG,IAN2B,CAMtB;AANsB,KAAf,CAAxB,CAAP;AAQD,G;;MAEM8R,I,GAAP,cAAavT,KAAb,EAAoB;AAClB,QAAIA,KAAK,CAACnC,IAAN,KAAe,OAAnB,EAA4B;AAC1B,aAAO2U,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUa,IAAlB,EAAwBf,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUmC,IAAlB,EAAwBrC,GAAG,CAACgD,IAA5B,CAAxB,EAA2DhD,GAAG,CAACuD,IAA/D,EAAqEvD,GAAG,CAACuB,IAAJ,CAAS/T,KAAT,CAArE,CAAP;AACD,KAFD,MAEO;AACL,aAAOwS,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUa,IAAlB,EAAwBf,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUkC,IAAlB,EAAwBpC,GAAG,CAAC+C,IAA5B,CAAxB,EAA2D/C,GAAG,CAACuD,IAA/D,EAAqEvD,GAAG,CAACuB,IAAJ,CAAS/T,KAAT,CAArE,CAAP;AACD;AACF,G;;MAEMwT,I,GAAP,cAAa+C,EAAb,EAAiBC,mBAAjB,EAAsCxW,KAAtC,EAA6C;AAC3C,WAAOwS,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUc,IAAlB,EAAwBhB,GAAG,CAACc,IAAJ,CAASiD,EAAT,CAAxB,EAAsC/D,GAAG,CAAC+B,IAAJ,CAASvU,KAAT,EAAgBwW,mBAAhB,CAAtC,CAAP;AACD;AACD;;;;;MAGO/C,I,GAAP,cAAagD,MAAb,EAAqB;AACnB,QACEre,CAAC,GAAGqe,MAAM,CAAChd,MADb;AAAA,QAEEid,KAAK,GAAG,EAFV;;AAIA,WAAOte,CAAC,EAAR,EAAY;AACVse,WAAK,CAACte,CAAD,CAAL,GAAWoa,GAAG,CAACgC,IAAJ,CAASiC,MAAM,CAACre,CAAD,CAAf,CAAX;AACD;;AAED,WAAOoa,GAAG,CAACsD,GAAJ,CAAQa,KAAR,CAAc,IAAd,EAAoB,CAACnE,GAAG,CAACE,KAAJ,CAAUe,IAAX,EAAiBjB,GAAG,CAACoB,IAAJ,CAAS6C,MAAM,CAAC,CAAD,CAAN,CAAUL,SAAnB,EAA8BK,MAAM,CAAC,CAAD,CAAN,CAAUpV,QAAxC,CAAjB,EAAoEuV,MAApE,CAA2EF,KAA3E,EAAkFE,MAAlF,CAAyFpE,GAAG,CAACmB,IAAJ,CAAS8C,MAAT,CAAzF,CAApB,CAAP;AACD,G;;MAEM9C,I,GAAP,cAAa8C,MAAb,EAAqB;AACnB,QACEre,CAAC,GAAGqe,MAAM,CAAChd,MADb;AAAA,QAEEid,KAAK,GAAG,EAFV;;AAIA,WAAOte,CAAC,EAAR,EAAY;AACVse,WAAK,CAACte,CAAD,CAAL,GAAWoa,GAAG,CAACkC,IAAJ,CAAS+B,MAAM,CAACre,CAAD,CAAf,CAAX;AACD;;AAED,WAAOoa,GAAG,CAACsD,GAAJ,CAAQa,KAAR,CAAc,IAAd,EAAoB,CAACnE,GAAG,CAACE,KAAJ,CAAUiB,IAAX,EAAiBiD,MAAjB,CAAwBF,KAAxB,CAApB,CAAP;AACD,G;;MAEM9C,I,GAAP,cAAawC,SAAb,EAAwB/U,QAAxB,EAAkC;AAChCA,YAAQ,IAAI+U,SAAZ;AACA,QAAMC,iBAAiB,GAAG/R,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAIiR,UAAU,GAAG,CAAjB,CAAnB,CAA1B;AACA,QAAMgE,iBAAiB,GAAGhS,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAIiR,UAAU,GAAG,CAAjB,CAAnB,CAA1B;AACA,QACErC,KAAK,GAAG,IAAI7L,UAAJ,CAAe,CACrB,IADqB,EACf;AACN,QAFqB,EAEf,IAFe,EAET,IAFS,EAEH;AAClB,QAHqB,EAGf,IAHe,EAGT,IAHS,EAGH,IAHG,EAGG,IAHH,EAGS,IAHT,EAGe,IAHf,EAGqB,IAHrB,EAG2B;AAChD,QAJqB,EAIf,IAJe,EAIT,IAJS,EAIH,IAJG,EAIG,IAJH,EAIS,IAJT,EAIe,IAJf,EAIqB,IAJrB,EAI2B;AAC/CgS,aAAS,IAAI,EAAd,GAAoB,IALC,EAMpBA,SAAS,IAAI,EAAd,GAAoB,IANC,EAOpBA,SAAS,IAAI,CAAd,GAAmB,IAPE,EAQrBA,SAAS,GAAG,IARS,EAQH;AACjBC,qBAAiB,IAAI,EATD,EAUpBA,iBAAiB,IAAI,EAAtB,GAA4B,IAVP,EAWpBA,iBAAiB,IAAI,CAAtB,GAA2B,IAXN,EAYrBA,iBAAiB,GAAG,IAZC,EAapBC,iBAAiB,IAAI,EAbD,EAcpBA,iBAAiB,IAAI,EAAtB,GAA4B,IAdP,EAepBA,iBAAiB,IAAI,CAAtB,GAA2B,IAfN,EAgBrBA,iBAAiB,GAAG,IAhBC,EAiBrB,IAjBqB,EAiBf,IAjBe,EAiBT,IAjBS,EAiBH,IAjBG,EAiBG;AACxB,QAlBqB,EAkBf,IAlBe,EAkBT;AACZ,QAnBqB,EAmBf,IAnBe,EAmBT;AACZ,QApBqB,EAoBf,IApBe,EAoBT,IApBS,EAoBH,IApBG,EAoBG;AACxB,QArBqB,EAqBf,IArBe,EAqBT,IArBS,EAqBH,IArBG,EAqBG;AACxB,QAtBqB,EAsBf,IAtBe,EAsBT,IAtBS,EAsBH,IAtBG,EAuBrB,IAvBqB,EAuBf,IAvBe,EAuBT,IAvBS,EAuBH,IAvBG,EAwBrB,IAxBqB,EAwBf,IAxBe,EAwBT,IAxBS,EAwBH,IAxBG,EAyBrB,IAzBqB,EAyBf,IAzBe,EAyBT,IAzBS,EAyBH,IAzBG,EA0BrB,IA1BqB,EA0Bf,IA1Be,EA0BT,IA1BS,EA0BH,IA1BG,EA2BrB,IA3BqB,EA2Bf,IA3Be,EA2BT,IA3BS,EA2BH,IA3BG,EA4BrB,IA5BqB,EA4Bf,IA5Be,EA4BT,IA5BS,EA4BH,IA5BG,EA6BrB,IA7BqB,EA6Bf,IA7Be,EA6BT,IA7BS,EA6BH,IA7BG,EA8BrB,IA9BqB,EA8Bf,IA9Be,EA8BT,IA9BS,EA8BH,IA9BG,EA8BG;AACxB,QA/BqB,EA+Bf,IA/Be,EA+BT,IA/BS,EA+BH,IA/BG,EAgCrB,IAhCqB,EAgCf,IAhCe,EAgCT,IAhCS,EAgCH,IAhCG,EAiCrB,IAjCqB,EAiCf,IAjCe,EAiCT,IAjCS,EAiCH,IAjCG,EAkCrB,IAlCqB,EAkCf,IAlCe,EAkCT,IAlCS,EAkCH,IAlCG,EAmCrB,IAnCqB,EAmCf,IAnCe,EAmCT,IAnCS,EAmCH,IAnCG,EAoCrB,IApCqB,EAoCf,IApCe,EAoCT,IApCS,EAoCH,IApCG,EAoCG;AACxB,QArCqB,EAqCf,IArCe,EAqCT,IArCS,EAqCH,IArCG,CAqCE;AArCF,KAAf,CADV;AAwCA,WAAO9D,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUkB,IAAlB,EAAwB3D,KAAxB,CAAP;AACD,G;;MAEM6D,I,GAAP,cAAa9T,KAAb,EAAoB;AAClB,QACEa,OAAO,GAAGb,KAAK,CAACa,OAAN,IAAiB,EAD7B;AAAA,QAEEoP,KAAK,GAAG,IAAI7L,UAAJ,CAAe,IAAIvD,OAAO,CAACpH,MAA3B,CAFV;AAAA,QAGEod,KAHF;AAAA,QAIEze,CAJF,CADkB,CAMlB;AACA;;AACA,SAAKA,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGyI,OAAO,CAACpH,MAAxB,EAAgCrB,CAAC,EAAjC,EAAqC;AACnCye,WAAK,GAAGhW,OAAO,CAACzI,CAAD,CAAP,CAAWye,KAAnB;AACA5G,WAAK,CAAC7X,CAAC,GAAG,CAAL,CAAL,GAAgBye,KAAK,CAACC,SAAN,IAAmB,CAApB,GACZD,KAAK,CAACE,YAAN,IAAsB,CADV,GAEZF,KAAK,CAACG,aAFT;AAGD;;AAED,WAAOxE,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUoB,IAAlB,EAAwB7D,KAAxB,CAAP;AACD,G;;MAEM8D,I,GAAP,cAAa/T,KAAb,EAAoB;AAClB,WAAOwS,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUqB,IAAlB,EAAwBvB,GAAG,CAAC0B,IAAJ,CAASlU,KAAT,CAAxB,EAAyCwS,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAU0B,IAAlB,EAAwB5B,GAAG,CAAC2C,IAA5B,CAAzC,EAA4E3C,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUuB,IAAlB,EAAwBzB,GAAG,CAAC4C,IAA5B,CAA5E,EAA+G5C,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUyB,IAAlB,EAAwB3B,GAAG,CAAC8C,IAA5B,CAA/G,EAAkJ9C,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUsB,IAAlB,EAAwBxB,GAAG,CAAC6C,IAA5B,CAAlJ,CAAP;AACD,G;;MAEM1C,I,GAAP,cAAa3S,KAAb,EAAoB;AAClB,QAAI0O,GAAG,GAAG,EAAV;AAAA,QAAcmC,GAAG,GAAG,EAApB;AAAA,QAAwBzY,CAAxB;AAAA,QAA2B1B,IAA3B;AAAA,QAAiCiL,GAAjC,CADkB,CAElB;;AAEA,SAAKvJ,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG4H,KAAK,CAAC0O,GAAN,CAAUjV,MAA1B,EAAkCrB,CAAC,EAAnC,EAAuC;AACrC1B,UAAI,GAAGsJ,KAAK,CAAC0O,GAAN,CAAUtW,CAAV,CAAP;AACAuJ,SAAG,GAAGjL,IAAI,CAACS,UAAX;AACAuX,SAAG,CAAC5N,IAAJ,CAAUa,GAAG,KAAK,CAAT,GAAc,IAAvB;AACA+M,SAAG,CAAC5N,IAAJ,CAAUa,GAAG,GAAG,IAAhB,EAJqC,CAMrC;;AACA+M,SAAG,GAAGA,GAAG,CAACkI,MAAJ,CAAW1X,KAAK,CAAC+W,SAAN,CAAgB1e,KAAhB,CAAsB2e,IAAtB,CAA2Bxf,IAA3B,CAAX,CAAN;AACD,KAZiB,CAclB;;;AACA,SAAK0B,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAG4H,KAAK,CAAC6Q,GAAN,CAAUpX,MAA1B,EAAkCrB,CAAC,EAAnC,EAAuC;AACrC1B,UAAI,GAAGsJ,KAAK,CAAC6Q,GAAN,CAAUzY,CAAV,CAAP;AACAuJ,SAAG,GAAGjL,IAAI,CAACS,UAAX;AACA0Z,SAAG,CAAC/P,IAAJ,CAAUa,GAAG,KAAK,CAAT,GAAc,IAAvB;AACAkP,SAAG,CAAC/P,IAAJ,CAAUa,GAAG,GAAG,IAAhB;AAEAkP,SAAG,GAAGA,GAAG,CAAC+F,MAAJ,CAAW1X,KAAK,CAAC+W,SAAN,CAAgB1e,KAAhB,CAAsB2e,IAAtB,CAA2Bxf,IAA3B,CAAX,CAAN;AACD;;AAED,QAAIugB,IAAI,GAAGzE,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUE,IAAlB,EAAwB,IAAIxO,UAAJ,CAAe,CAC9C,IAD8C,EACxC;AACNsK,OAAG,CAAC,CAAD,CAF2C,EAEtC;AACRA,OAAG,CAAC,CAAD,CAH2C,EAGtC;AACRA,OAAG,CAAC,CAAD,CAJ2C,EAItC;AACR,WAAO,CALuC,EAKpC;AACV,WAAO1O,KAAK,CAAC0O,GAAN,CAAUjV,MAN6B,CAMtB;AANsB,MAO9Cmd,MAP8C,CAOvClI,GAPuC,EAOlCkI,MAPkC,CAO3B,CACnB5W,KAAK,CAAC6Q,GAAN,CAAUpX,MADS,CACF;AADE,KAP2B,EAS7Cmd,MAT6C,CAStC/F,GATsC,CAAf,CAAxB,CAAX;AAAA,QASoB;AAClB3J,SAAK,GAAGlH,KAAK,CAACkH,KAVhB;AAAA,QAWEE,MAAM,GAAGpH,KAAK,CAACoH,MAXjB;AAAA,QAYE8P,QAAQ,GAAGlX,KAAK,CAACgH,UAAN,CAAiB,CAAjB,CAZb;AAAA,QAaEmQ,QAAQ,GAAGnX,KAAK,CAACgH,UAAN,CAAiB,CAAjB,CAbb;AAeA,WAAOwL,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUC,IAAlB,EAAwB,IAAIvO,UAAJ,CAAe,CAC5C,IAD4C,EACtC,IADsC,EAChC,IADgC,EAC1B;AAClB,QAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AAClB,QAH4C,EAGtC,IAHsC,EAGhC;AACZ,QAJ4C,EAItC,IAJsC,EAIhC;AACZ,QAL4C,EAKtC,IALsC,EAKhC;AACZ,QAN4C,EAMtC,IANsC,EAMhC,IANgC,EAM1B,IAN0B,EAO5C,IAP4C,EAOtC,IAPsC,EAOhC,IAPgC,EAO1B,IAP0B,EAQ5C,IAR4C,EAQtC,IARsC,EAQhC,IARgC,EAQ1B,IAR0B,EAQpB;AACvB8C,SAAK,IAAI,CAAV,GAAe,IAT6B,EAU5CA,KAAK,GAAG,IAVoC,EAU9B;AACbE,UAAM,IAAI,CAAX,GAAgB,IAX4B,EAY5CA,MAAM,GAAG,IAZmC,EAY7B;AACf,QAb4C,EAatC,IAbsC,EAahC,IAbgC,EAa1B,IAb0B,EAapB;AACxB,QAd4C,EActC,IAdsC,EAchC,IAdgC,EAc1B,IAd0B,EAcpB;AACxB,QAf4C,EAetC,IAfsC,EAehC,IAfgC,EAe1B,IAf0B,EAepB;AACxB,QAhB4C,EAgBtC,IAhBsC,EAgBhC;AACZ,QAjB4C,EAkB5C,IAlB4C,EAkBtC,IAlBsC,EAkBhC,IAlBgC,EAkB1B,IAlB0B,EAkBpB;AACxB,QAnB4C,EAmBtC,IAnBsC,EAmBhC,IAnBgC,EAmB1B,IAnB0B,EAoB5C,IApB4C,EAoBtC,IApBsC,EAoBhC,IApBgC,EAoB1B,IApB0B,EAqB5C,IArB4C,EAqBtC,IArBsC,EAqBhC,IArBgC,EAqB1B,IArB0B,EAsB5C,IAtB4C,EAsBtC,IAtBsC,EAsBhC,IAtBgC,EAsB1B,IAtB0B,EAuB5C,IAvB4C,EAuBtC,IAvBsC,EAuBhC,IAvBgC,EAuB1B,IAvB0B,EAwB5C,IAxB4C,EAwBtC,IAxBsC,EAwBhC,IAxBgC,EAwB1B,IAxB0B,EAyB5C,IAzB4C,EAyBtC,IAzBsC,EAyBhC,IAzBgC,EAyB1B;AAClB,QA1B4C,EA0BtC,IA1BsC,EA0BhC;AACZ,QA3B4C,EA2BtC,IA3BsC,CAAf,CAAxB,EA2BS;AAChB6P,QA5BO,EA6BPzE,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUG,IAAlB,EAAwB,IAAIzO,UAAJ,CAAe,CACrC,IADqC,EAC/B,IAD+B,EACzB,IADyB,EACnB,IADmB,EACb;AACxB,QAFqC,EAE/B,IAF+B,EAEzB,IAFyB,EAEnB,IAFmB,EAEb;AACxB,QAHqC,EAG/B,IAH+B,EAGzB,IAHyB,EAGnB,IAHmB,CAAf,CAAxB,CA7BO,EAgCsB;AAC7BoO,OAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUmB,IAAlB,EAAwB,IAAIzP,UAAJ,CAAe,CACpC8S,QAAQ,IAAI,EADwB,EACnB;AACjBA,YAAQ,IAAI,EAAb,GAAmB,IAFkB,EAGpCA,QAAQ,IAAI,CAAb,GAAkB,IAHmB,EAIrCA,QAAQ,GAAG,IAJ0B,EAKpCC,QAAQ,IAAI,EALwB,EAKnB;AACjBA,YAAQ,IAAI,EAAb,GAAmB,IANkB,EAOpCA,QAAQ,IAAI,CAAb,GAAkB,IAPmB,EAQrCA,QAAQ,GAAG,IAR0B,CAAf,CAAxB,CAjCO,CAAP;AA2CD,G;;MAEMnE,I,GAAP,cAAahT,KAAb,EAAoB;AAClB,QAAIoX,SAAS,GAAGpX,KAAK,CAAC5D,MAAN,CAAa3C,MAA7B;AACA,WAAO,IAAI2K,UAAJ,CAAe,CACpB,IADoB,EACd;AACN,QAFoB,EAEd,IAFc,EAER,IAFQ,EAEF;AAElB,QAJoB,EAId;AACN,WAAOgT,SALa,EAKF;AAClB,QANoB,EAMd,IANc,EAMR;AACZ,QAPoB,EAOd;AAEN,QAToB,EASd;AACN,WAAOA,SAVa,EAUF;AAClB,QAXoB,EAWd;AACN,QAZoB,EAYd;AACN,QAboB,EAad,IAbc,EAaR,IAbQ,EAaF;AAClB,QAdoB,EAcd,IAdc,EAcR,IAdQ,EAcF,IAdE,EAcI;AACxB,QAfoB,EAed,IAfc,EAeR,IAfQ,EAeF,IAfE,EAeI;AAExB,QAjBoB,CAiBf;AAjBe,MAkBpBR,MAlBoB,CAkBb,CAACQ,SAAD,CAlBa,EAkBAR,MAlBA,CAkBO5W,KAAK,CAAC5D,MAlBb,EAkBqBwa,MAlBrB,CAkB4B,CAAC,IAAD,EAAO,IAAP,EAAa,IAAb,CAlB5B,CAAf,CAAP,CAFkB,CAoBsD;AACzE,G;;MAEMlD,I,GAAP,cAAa1T,KAAb,EAAoB;AAClB,QAAIZ,UAAU,GAAGY,KAAK,CAACZ,UAAvB;AACA,WAAOoT,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUgB,IAAlB,EAAwB,IAAItP,UAAJ,CAAe,CAC5C,IAD4C,EACtC,IADsC,EAChC,IADgC,EAC1B;AAClB,QAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AAClB,QAH4C,EAGtC,IAHsC,EAGhC;AACZ,QAJ4C,EAItC,IAJsC,EAIhC,IAJgC,EAI1B,IAJ0B,EAK5C,IAL4C,EAKtC,IALsC,EAKhC,IALgC,EAK1B,IAL0B,EAKpB;AACxB,QAN4C,EAMtCpE,KAAK,CAACX,YANgC,EAMlB;AAC1B,QAP4C,EAOtC,IAPsC,EAOhC;AACZ,QAR4C,EAQtC,IARsC,EAQhC,IARgC,EAQ1B,IAR0B,EAQpB;AACvBD,cAAU,IAAI,CAAf,GAAoB,IATwB,EAU5CA,UAAU,GAAG,IAV+B,EAUzB;AACnB,QAX4C,EAWtC,IAXsC,CAAf,CAAxB,EAYPoT,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUM,IAAlB,EAAwBR,GAAG,CAACQ,IAAJ,CAAShT,KAAT,CAAxB,CAZO,CAAP;AAaD,G;;MAEM2M,G,GAAP,aAAY3M,KAAZ,EAAmB;AACjB,QAAIZ,UAAU,GAAGY,KAAK,CAACZ,UAAvB;AACA,WAAOoT,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAU,MAAV,CAAR,EAA2B,IAAItO,UAAJ,CAAe,CAC/C,IAD+C,EACzC,IADyC,EACnC,IADmC,EAC7B;AAClB,QAF+C,EAEzC,IAFyC,EAEnC,IAFmC,EAE7B;AAClB,QAH+C,EAGzC,IAHyC,EAGnC;AACZ,QAJ+C,EAIzC,IAJyC,EAInC,IAJmC,EAI7B,IAJ6B,EAK/C,IAL+C,EAKzC,IALyC,EAKnC,IALmC,EAK7B,IAL6B,EAKvB;AACxB,QAN+C,EAMzCpE,KAAK,CAACX,YANmC,EAMrB;AAC1B,QAP+C,EAOzC,IAPyC,EAOnC;AACZ,QAR+C,EAQzC,IARyC,EAQnC,IARmC,EAQ7B,IAR6B,EAQvB;AACvBD,cAAU,IAAI,CAAf,GAAoB,IAT2B,EAU/CA,UAAU,GAAG,IAVkC,EAU5B;AACnB,QAX+C,EAWzC,IAXyC,CAAf,CAA3B,CAAP;AAYD,G;;MAEM8U,I,GAAP,cAAalU,KAAb,EAAoB;AAClB,QAAIA,KAAK,CAACnC,IAAN,KAAe,OAAnB,EAA4B;AAC1B,UAAI,CAACmC,KAAK,CAAC0B,KAAP,IAAgB1B,KAAK,CAACV,KAAN,KAAgB,KAApC,EAA2C;AACzC,eAAOkT,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUwB,IAAlB,EAAwB1B,GAAG,CAACiD,IAA5B,EAAkCjD,GAAG,CAAC7F,GAAJ,CAAQ3M,KAAR,CAAlC,CAAP;AACD;;AAED,aAAOwS,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUwB,IAAlB,EAAwB1B,GAAG,CAACiD,IAA5B,EAAkCjD,GAAG,CAACkB,IAAJ,CAAS1T,KAAT,CAAlC,CAAP;AACD,KAND,MAMO;AACL,aAAOwS,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUwB,IAAlB,EAAwB1B,GAAG,CAACiD,IAA5B,EAAkCjD,GAAG,CAACG,IAAJ,CAAS3S,KAAT,CAAlC,CAAP;AACD;AACF,G;;MAEM2U,I,GAAP,cAAa3U,KAAb,EAAoB;AAClB,QAAIwB,EAAE,GAAGxB,KAAK,CAACwB,EAAf;AAAA,QACEH,QAAQ,GAAGrB,KAAK,CAACqB,QAAN,GAAiBrB,KAAK,CAACoW,SADpC;AAAA,QAEElP,KAAK,GAAGlH,KAAK,CAACkH,KAFhB;AAAA,QAGEE,MAAM,GAAGpH,KAAK,CAACoH,MAHjB;AAAA,QAIEiP,iBAAiB,GAAG/R,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAIiR,UAAU,GAAG,CAAjB,CAAnB,CAJtB;AAAA,QAKEgE,iBAAiB,GAAGhS,IAAI,CAACkE,KAAL,CAAWnH,QAAQ,IAAIiR,UAAU,GAAG,CAAjB,CAAnB,CALtB;AAMA,WAAOE,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUiC,IAAlB,EAAwB,IAAIvQ,UAAJ,CAAe,CAC5C,IAD4C,EACtC;AACN,QAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AAClB,QAH4C,EAGtC,IAHsC,EAGhC,IAHgC,EAG1B,IAH0B,EAGpB,IAHoB,EAGd,IAHc,EAGR,IAHQ,EAGF,IAHE,EAGI;AAChD,QAJ4C,EAItC,IAJsC,EAIhC,IAJgC,EAI1B,IAJ0B,EAIpB,IAJoB,EAId,IAJc,EAIR,IAJQ,EAIF,IAJE,EAII;AAC/C5C,MAAE,IAAI,EAAP,GAAa,IAL+B,EAM3CA,EAAE,IAAI,EAAP,GAAa,IAN+B,EAO3CA,EAAE,IAAI,CAAP,GAAY,IAPgC,EAQ5CA,EAAE,GAAG,IARuC,EAQjC;AACX,QAT4C,EAStC,IATsC,EAShC,IATgC,EAS1B,IAT0B,EASpB;AACvB6U,qBAAiB,IAAI,EAVsB,EAW3CA,iBAAiB,IAAI,EAAtB,GAA4B,IAXgB,EAY3CA,iBAAiB,IAAI,CAAtB,GAA2B,IAZiB,EAa5CA,iBAAiB,GAAG,IAbwB,EAc3CC,iBAAiB,IAAI,EAdsB,EAe3CA,iBAAiB,IAAI,EAAtB,GAA4B,IAfgB,EAgB3CA,iBAAiB,IAAI,CAAtB,GAA2B,IAhBiB,EAiB5CA,iBAAiB,GAAG,IAjBwB,EAkB5C,IAlB4C,EAkBtC,IAlBsC,EAkBhC,IAlBgC,EAkB1B,IAlB0B,EAmB5C,IAnB4C,EAmBtC,IAnBsC,EAmBhC,IAnBgC,EAmB1B,IAnB0B,EAmBpB;AACxB,QApB4C,EAoBtC,IApBsC,EAoBhC;AACZ,QArB4C,EAqBtC,IArBsC,EAqBhC;AACZ,QAtB4C,EAsBtC,IAtBsC,EAsBhC;AACZ,QAvB4C,EAuBtC,IAvBsC,EAuBhC;AACZ,QAxB4C,EAwBtC,IAxBsC,EAwBhC,IAxBgC,EAwB1B,IAxB0B,EAyB5C,IAzB4C,EAyBtC,IAzBsC,EAyBhC,IAzBgC,EAyB1B,IAzB0B,EA0B5C,IA1B4C,EA0BtC,IA1BsC,EA0BhC,IA1BgC,EA0B1B,IA1B0B,EA2B5C,IA3B4C,EA2BtC,IA3BsC,EA2BhC,IA3BgC,EA2B1B,IA3B0B,EA4B5C,IA5B4C,EA4BtC,IA5BsC,EA4BhC,IA5BgC,EA4B1B,IA5B0B,EA6B5C,IA7B4C,EA6BtC,IA7BsC,EA6BhC,IA7BgC,EA6B1B,IA7B0B,EA8B5C,IA9B4C,EA8BtC,IA9BsC,EA8BhC,IA9BgC,EA8B1B,IA9B0B,EA+B5C,IA/B4C,EA+BtC,IA/BsC,EA+BhC,IA/BgC,EA+B1B,IA/B0B,EAgC5C,IAhC4C,EAgCtC,IAhCsC,EAgChC,IAhCgC,EAgC1B,IAhC0B,EAgCpB;AACvBpP,SAAK,IAAI,CAAV,GAAe,IAjC6B,EAkC5CA,KAAK,GAAG,IAlCoC,EAmC5C,IAnC4C,EAmCtC,IAnCsC,EAmChC;AACXE,UAAM,IAAI,CAAX,GAAgB,IApC4B,EAqC5CA,MAAM,GAAG,IArCmC,EAsC5C,IAtC4C,EAsCtC,IAtCsC,CAsCjC;AAtCiC,KAAf,CAAxB,CAAP;AAwCD,G;;MAEMmN,I,GAAP,cAAavU,KAAb,EAAoBwW,mBAApB,EAAyC;AACvC,QAAIa,qBAAqB,GAAG7E,GAAG,CAACsB,IAAJ,CAAS9T,KAAT,CAA5B;AAAA,QACEwB,EAAE,GAAGxB,KAAK,CAACwB,EADb;AAAA,QAEE8V,4BAA4B,GAAGhT,IAAI,CAACkE,KAAL,CAAWgO,mBAAmB,IAAIlE,UAAU,GAAG,CAAjB,CAA9B,CAFjC;AAAA,QAGEiF,4BAA4B,GAAGjT,IAAI,CAACkE,KAAL,CAAWgO,mBAAmB,IAAIlE,UAAU,GAAG,CAAjB,CAA9B,CAHjC;AAIA,WAAOE,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAU6B,IAAlB,EACL/B,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAU4B,IAAlB,EAAwB,IAAIlQ,UAAJ,CAAe,CACrC,IADqC,EAC/B;AACN,QAFqC,EAE/B,IAF+B,EAEzB,IAFyB,EAEnB;AACjB5C,MAAE,IAAI,EAH8B,EAIpCA,EAAE,IAAI,EAAP,GAAa,IAJwB,EAKpCA,EAAE,IAAI,CAAP,GAAY,IALyB,EAMpCA,EAAE,GAAG,IAN+B,CAAf,CAAxB,CADK,EASLgR,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAU2B,IAAlB,EAAwB,IAAIjQ,UAAJ,CAAe,CACrC,IADqC,EAC/B;AACN,QAFqC,EAE/B,IAF+B,EAEzB,IAFyB,EAEnB;AACjBkT,gCAA4B,IAAI,EAHI,EAIpCA,4BAA4B,IAAI,EAAjC,GAAuC,IAJF,EAKpCA,4BAA4B,IAAI,CAAjC,GAAsC,IALD,EAMpCA,4BAA4B,GAAG,IANK,EAOpCC,4BAA4B,IAAI,EAPI,EAQpCA,4BAA4B,IAAI,EAAjC,GAAuC,IARF,EASpCA,4BAA4B,IAAI,CAAjC,GAAsC,IATD,EAUpCA,4BAA4B,GAAG,IAVK,CAAf,CAAxB,CATK,EAqBL/E,GAAG,CAACiC,IAAJ,CAASzU,KAAT,EACEqX,qBAAqB,CAAC5d,MAAtB,GACY,EADZ,GACiB;AACL,MAFZ,GAEiB;AACL,KAHZ,GAGgB;AACJ,MAJZ,GAIiB;AACL,KALZ,GAKgB;AACJ,KAPd,CArBK,EA4Ba;AAClB4d,yBA7BK,CAAP;AA8BD;AAED;;;;;;;MAKO7C,I,GAAP,cAAaxU,KAAb,EAAoB;AAClBA,SAAK,CAACqB,QAAN,GAAiBrB,KAAK,CAACqB,QAAN,IAAkB,UAAnC;AACA,WAAOmR,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAU8B,IAAlB,EAAwBhC,GAAG,CAACmC,IAAJ,CAAS3U,KAAT,CAAxB,EAAyCwS,GAAG,CAACa,IAAJ,CAASrT,KAAT,CAAzC,CAAP;AACD,G;;MAEM0U,I,GAAP,cAAa1U,KAAb,EAAoB;AAClB,QAAIwB,EAAE,GAAGxB,KAAK,CAACwB,EAAf;AACA,WAAOgR,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAUgC,IAAlB,EAAwB,IAAItQ,UAAJ,CAAe,CAC5C,IAD4C,EACtC;AACN,QAF4C,EAEtC,IAFsC,EAEhC,IAFgC,EAE1B;AACjB5C,MAAE,IAAI,EAHqC,EAI3CA,EAAE,IAAI,EAAP,GAAa,IAJ+B,EAK3CA,EAAE,IAAI,CAAP,GAAY,IALgC,EAM3CA,EAAE,GAAG,IANsC,EAM/B;AACb,QAP4C,EAOtC,IAPsC,EAOhC,IAPgC,EAO1B,IAP0B,EAOpB;AACxB,QAR4C,EAQtC,IARsC,EAQhC,IARgC,EAQ1B,IAR0B,EAQpB;AACxB,QAT4C,EAStC,IATsC,EAShC,IATgC,EAS1B,IAT0B,EASpB;AACxB,QAV4C,EAUtC,IAVsC,EAUhC,IAVgC,EAU1B,IAV0B,CAUrB;AAVqB,KAAf,CAAxB,CAAP;AAYD,G;;MAEMiT,I,GAAP,cAAazU,KAAb,EAAoBxG,MAApB,EAA4B;AAC1B,QAAIqH,OAAO,GAAGb,KAAK,CAACa,OAAN,IAAiB,EAA/B;AAAA,QACEc,GAAG,GAAGd,OAAO,CAACpH,MADhB;AAAA,QAEE+d,QAAQ,GAAG,KAAM,KAAK7V,GAFxB;AAAA,QAGEuP,KAAK,GAAG,IAAI9M,UAAJ,CAAeoT,QAAf,CAHV;AAAA,QAIEpf,CAJF;AAAA,QAIK2I,MAJL;AAAA,QAIaM,QAJb;AAAA,QAIuBwD,IAJvB;AAAA,QAI6BgS,KAJ7B;AAAA,QAIoCY,GAJpC;AAKAje,UAAM,IAAI,IAAIge,QAAd;AACAtG,SAAK,CAAC1M,GAAN,CAAU,CACR,IADQ,EACF;AACN,QAFQ,EAEF,IAFE,EAEI,IAFJ,EAEU;AACjB7C,OAAG,KAAK,EAAT,GAAe,IAHP,EAIPA,GAAG,KAAK,EAAT,GAAe,IAJP,EAKPA,GAAG,KAAK,CAAT,GAAc,IALN,EAMRA,GAAG,GAAG,IANE,EAMI;AACXnI,UAAM,KAAK,EAAZ,GAAkB,IAPV,EAQPA,MAAM,KAAK,EAAZ,GAAkB,IARV,EASPA,MAAM,KAAK,CAAZ,GAAiB,IATT,EAURA,MAAM,GAAG,IAVD,CAUM;AAVN,KAAV,EAWG,CAXH;;AAYA,SAAKpB,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGuJ,GAAhB,EAAqBvJ,CAAC,EAAtB,EAA0B;AACxB2I,YAAM,GAAGF,OAAO,CAACzI,CAAD,CAAhB;AACAiJ,cAAQ,GAAGN,MAAM,CAACM,QAAlB;AACAwD,UAAI,GAAG9D,MAAM,CAAC8D,IAAd;AACAgS,WAAK,GAAG9V,MAAM,CAAC8V,KAAf;AACAY,SAAG,GAAG1W,MAAM,CAAC0W,GAAb;AACAvG,WAAK,CAAC1M,GAAN,CAAU,CACPnD,QAAQ,KAAK,EAAd,GAAoB,IADZ,EAEPA,QAAQ,KAAK,EAAd,GAAoB,IAFZ,EAGPA,QAAQ,KAAK,CAAd,GAAmB,IAHX,EAIRA,QAAQ,GAAG,IAJH,EAIS;AAChBwD,UAAI,KAAK,EAAV,GAAgB,IALR,EAMPA,IAAI,KAAK,EAAV,GAAgB,IANR,EAOPA,IAAI,KAAK,CAAV,GAAe,IAPP,EAQRA,IAAI,GAAG,IARC,EAQK;AACZgS,WAAK,CAACa,SAAN,IAAmB,CAApB,GAAyBb,KAAK,CAACC,SATvB,EAUPD,KAAK,CAACE,YAAN,IAAsB,CAAvB,GACGF,KAAK,CAACG,aAAN,IAAuB,CAD1B,GAEGH,KAAK,CAACc,YAAN,IAAsB,CAFzB,GAGEd,KAAK,CAACe,SAbA,EAcRf,KAAK,CAACgB,UAAN,GAAmB,QAAQ,CAdnB,EAeRhB,KAAK,CAACgB,UAAN,GAAmB,IAfX,EAeiB;AACxBJ,SAAG,KAAK,EAAT,GAAe,IAhBP,EAiBPA,GAAG,KAAK,EAAT,GAAe,IAjBP,EAkBPA,GAAG,KAAK,CAAT,GAAc,IAlBN,EAmBRA,GAAG,GAAG,IAnBE,CAmBG;AAnBH,OAAV,EAoBG,KAAK,KAAKrf,CApBb;AAqBD;;AACD,WAAOoa,GAAG,CAACsD,GAAJ,CAAQtD,GAAG,CAACE,KAAJ,CAAU+B,IAAlB,EAAwBvD,KAAxB,CAAP;AACD,G;;MAEM/P,W,GAAP,qBAAoBsV,MAApB,EAA4B;AAC1B,QAAI,CAACjE,GAAG,CAACE,KAAT,EAAgB;AACdF,SAAG,CAACC,IAAJ;AACD;;AAED,QAAIqF,KAAK,GAAGtF,GAAG,CAACiB,IAAJ,CAASgD,MAAT,CAAZ;AAAA,QAA8BlZ,MAA9B;AACAA,UAAM,GAAG,IAAI6G,UAAJ,CAAeoO,GAAG,CAACqD,IAAJ,CAAS1e,UAAT,GAAsB2gB,KAAK,CAAC3gB,UAA3C,CAAT;AACAoG,UAAM,CAACiH,GAAP,CAAWgO,GAAG,CAACqD,IAAf;AACAtY,UAAM,CAACiH,GAAP,CAAWsT,KAAX,EAAkBtF,GAAG,CAACqD,IAAJ,CAAS1e,UAA3B;AACA,WAAOoG,MAAP;AACD,G;;;;;AAGYiV,qDAAf,E;;AC5oBA,IAAMuF,qBAAqB,GAAG,KAA9B;AAEO,SAASC,oBAAT,CAA+B7G,KAA/B,EAAsC8G,SAAtC,EAAyDC,QAAzD,EAA+E/J,KAA/E,EAA+G;AAAA,MAAtD+J,QAAsD;AAAtDA,YAAsD,GAAnC,CAAmC;AAAA;;AAAA,MAAhC/J,KAAgC;AAAhCA,SAAgC,GAAf,KAAe;AAAA;;AACpH,SAAOgK,mBAAmB,CAAChH,KAAD,EAAQ8G,SAAR,EAAmB,IAAIC,QAAvB,CAA1B;AACD;AAEM,SAASC,mBAAT,CAA8BhH,KAA9B,EAAqC8G,SAArC,EAAwDG,OAAxD,EAA6EjK,KAA7E,EAA6G;AAAA,MAArDiK,OAAqD;AAArDA,WAAqD,GAAnC,CAAmC;AAAA;;AAAA,MAAhCjK,KAAgC;AAAhCA,SAAgC,GAAf,KAAe;AAAA;;AAClH,MAAM5Q,MAAM,GAAG4T,KAAK,GAAG8G,SAAR,GAAoBG,OAAnC,CADkH,CACtE;;AAC5C,SAAOjK,KAAK,GAAG7J,IAAI,CAAC6J,KAAL,CAAW5Q,MAAX,CAAH,GAAwBA,MAApC;AACD;AAEM,SAAS8a,mBAAT,CAA8BlH,KAA9B,EAA6ChD,KAA7C,EAA6E;AAAA,MAAhCA,KAAgC;AAAhCA,SAAgC,GAAf,KAAe;AAAA;;AAClF,SAAOgK,mBAAmB,CAAChH,KAAD,EAAQ,IAAR,EAAc,IAAI4G,qBAAlB,EAAyC5J,KAAzC,CAA1B;AACD;AAEM,SAASmK,0BAAT,CAAqCnH,KAArC,EAAoD+G,QAApD,EAAkF;AAAA,MAA9BA,QAA8B;AAA9BA,YAA8B,GAAX,CAAW;AAAA;;AACvF,SAAOC,mBAAmB,CAAChH,KAAD,EAAQ4G,qBAAR,EAA+B,IAAIG,QAAnC,CAA1B;AACD,C;;ACjBD;;;AAIA;AACA;AAEA;AACA;AAEA;AAEA;AAEA,IAAMK,+BAA+B,GAAGD,0BAA0B,CAAC,EAAD,CAAlE;AACA,IAAME,6BAA6B,GAAGF,0BAA0B,CAAC,GAAD,CAAhE;;IAEMG,sB;;;AACJ,sBAAatc,QAAb,EAAuBC,MAAvB,EAA+BoN,aAA/B,EAA8CkP,MAA9C,EAAsD;AACpD,SAAKvc,QAAL,GAAgBA,QAAhB;AACA,SAAKC,MAAL,GAAcA,MAAd;AACA,SAAKoN,aAAL,GAAqBA,aAArB;AACA,QAAM7K,SAAS,GAAGC,SAAS,CAACD,SAA5B;AACA,SAAKga,QAAL,GAAgBD,MAAM,IAAIA,MAAM,CAACvZ,OAAP,CAAe,OAAf,IAA0B,CAAC,CAArC,IAA0CR,SAA1C,IAAuD,CAACA,SAAS,CAACia,KAAV,CAAgB,OAAhB,CAAxE;AACA,SAAKC,WAAL,GAAmB,KAAnB;AACD;;;;SAED/c,O,GAAA,mBAAW,CACV,C;;SAED+F,c,GAAA,wBAAgBiX,gBAAhB,EAAkC;AAChC,SAAK7L,QAAL,GAAgB,KAAKC,QAAL,GAAgB4L,gBAAhC;AACD,G;;SAED5X,gB,GAAA,4BAAoB;AAClB,SAAK2X,WAAL,GAAmB,KAAnB;AACD,G;;SAEDnW,K,GAAA,eAAOwI,UAAP,EAAmB4B,UAAnB,EAA+B3B,QAA/B,EAAyC4B,SAAzC,EAAoD5K,UAApD,EAAgEC,UAAhE,EAA4EC,kBAA5E,EAAgG;AAC9F;AACA,QAAI,CAAC,KAAKwW,WAAV,EAAuB;AACrB,WAAKE,UAAL,CAAgB7N,UAAhB,EAA4B4B,UAA5B,EAAwC3K,UAAxC;AACD;;AAED,QAAI,KAAK0W,WAAT,EAAsB;AACpB,UAAMG,cAAc,GAAG9N,UAAU,CAACrK,OAAX,CAAmBpH,MAA1C;AACA,UAAMwf,cAAc,GAAGnM,UAAU,CAACjM,OAAX,CAAmBpH,MAA1C;AACA,UAAIyf,eAAe,GAAG/W,UAAtB;AACA,UAAIgX,eAAe,GAAGhX,UAAtB;;AACA,UAAI6W,cAAc,IAAIC,cAAtB,EAAsC;AACpC;AACA;AACA;AACA;AACA,YAAIG,kBAAkB,GAAG,CAAClO,UAAU,CAACrK,OAAX,CAAmB,CAAnB,EAAsBV,GAAtB,GAA4B2M,UAAU,CAACjM,OAAX,CAAmB,CAAnB,EAAsBV,GAAnD,IAA0D2M,UAAU,CAAClL,cAA9F;AACAsX,uBAAe,IAAI5U,IAAI,CAAC+U,GAAL,CAAS,CAAT,EAAYD,kBAAZ,CAAnB;AACAD,uBAAe,IAAI7U,IAAI,CAAC+U,GAAL,CAAS,CAAT,EAAY,CAACD,kBAAb,CAAnB;AACD,OAbmB,CAcpB;AACA;AACA;;;AACA,UAAIJ,cAAJ,EAAoB;AAClB;AACA,YAAI,CAAC9N,UAAU,CAACkL,SAAhB,EAA2B;AACzBtZ,0BAAM,CAACgN,IAAP,CAAY,0CAAZ;AACA,eAAKiP,UAAL,CAAgB7N,UAAhB,EAA4B4B,UAA5B,EAAwC3K,UAAxC;AACD;;AACD,YAAIuJ,SAAS,GAAG,KAAK4N,UAAL,CAAgBpO,UAAhB,EAA4BgO,eAA5B,EAA6C9W,UAA7C,EAAyDC,kBAAzD,CAAhB,CANkB,CAOlB;;AACA,YAAI4W,cAAJ,EAAoB;AAClB,cAAIM,gBAAJ;;AACA,cAAI7N,SAAJ,EAAe;AACb6N,4BAAgB,GAAG7N,SAAS,CAAC8N,MAAV,GAAmB9N,SAAS,CAAC+N,QAAhD;AACD,WAJiB,CAMlB;;;AACA,cAAI,CAAC3M,UAAU,CAACsJ,SAAhB,EAA2B;AACzBtZ,4BAAM,CAACgN,IAAP,CAAY,0CAAZ;AACA,iBAAKiP,UAAL,CAAgB7N,UAAhB,EAA4B4B,UAA5B,EAAwC3K,UAAxC;AACD;;AACD,eAAKuX,UAAL,CAAgB5M,UAAhB,EAA4BqM,eAA5B,EAA6C/W,UAA7C,EAAyDmX,gBAAzD,EAA2ElX,kBAA3E;AACD;AACF,OArBD,MAqBO;AACL;AACA,YAAI4W,cAAJ,EAAoB;AAClB,cAAIU,SAAS,GAAG,KAAKD,UAAL,CAAgB5M,UAAhB,EAA4BqM,eAA5B,EAA6C/W,UAA7C,EAAyD,CAAzD,EAA4DC,kBAA5D,CAAhB;;AACA,cAAIsX,SAAS,IAAIzO,UAAU,CAAC5L,KAA5B,EAAmC;AACjC,iBAAKsa,eAAL,CAAqB1O,UAArB,EAAiCgO,eAAjC,EAAkD9W,UAAlD,EAA8DuX,SAA9D;AACD;AACF;AACF;AACF,KArD6F,CAsD9F;;;AACA,QAAIxO,QAAQ,CAACtK,OAAT,CAAiBpH,MAArB,EAA6B;AAC3B,WAAKogB,QAAL,CAAc1O,QAAd,EAAwBhJ,UAAxB;AACD,KAzD6F,CA2D9F;;;AACA,QAAI4K,SAAS,CAAClM,OAAV,CAAkBpH,MAAtB,EAA8B;AAC5B,WAAKqgB,SAAL,CAAe/M,SAAf,EAA0B5K,UAA1B;AACD,KA9D6F,CAgE9F;;;AACA,SAAKhG,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACoc,WAA5B;AACD,G;;SAEDhB,U,GAAA,oBAAY7N,UAAZ,EAAwB4B,UAAxB,EAAoC3K,UAApC,EAAgD;AAC9C,QAAIhG,QAAQ,GAAG,KAAKA,QAApB;AAAA,QACE6d,YAAY,GAAG9O,UAAU,CAACrK,OAD5B;AAAA,QAEEoZ,YAAY,GAAGnN,UAAU,CAACjM,OAF5B;AAAA,QAGE2I,aAAa,GAAG,KAAKA,aAHvB;AAAA,QAIEjI,SAAS,GAAG,WAJd;AAAA,QAKEkV,MAAM,GAAG,EALX;AAAA,QAME/f,IAAI,GAAG;AAAE+f,YAAM,EAAEA;AAAV,KANT;AAAA,QAOEyD,aAAa,GAAI,KAAKjN,QAAL,KAAkBlR,SAPrC;AAAA,QAQEoe,OARF;AAAA,QAQWC,OARX;AAAA,QAQoBhE,SARpB;;AAUA,QAAI8D,aAAJ,EAAmB;AACjBC,aAAO,GAAGC,OAAO,GAAGC,QAApB;AACD;;AAED,QAAInP,UAAU,CAAC9O,MAAX,IAAqB4d,YAAY,CAACvgB,MAAtC,EAA8C;AAC5C;AACA;AACA;AACA;AACAyR,gBAAU,CAACkL,SAAX,GAAuBlL,UAAU,CAAC9L,UAAlC;AACAtC,sBAAM,CAACC,GAAP,4BAAoCmO,UAAU,CAAC9L,UAA/C;;AACA,UAAI,CAAC8L,UAAU,CAACxJ,KAAhB,EAAuB;AACrB,YAAI8H,aAAa,CAACkD,IAAlB,EAAwB;AAAE;AACxBnL,mBAAS,GAAG,YAAZ;AACA2J,oBAAU,CAAC5L,KAAX,GAAmB,EAAnB;AACD,SAHD,MAGO,IAAIkK,aAAa,CAACmD,GAAlB,EAAuB;AAAE;AAC9BzB,oBAAU,CAAC5L,KAAX,GAAmB,KAAnB;AACD;AACF;;AACDmX,YAAM,CAACrN,KAAP,GAAe;AACb7H,iBAAS,EAAEA,SADE;AAEbjC,aAAK,EAAE4L,UAAU,CAAC5L,KAFL;AAGb6B,mBAAW,EAAE,CAAC+J,UAAU,CAACxJ,KAAZ,IAAqB8H,aAAa,CAACkD,IAAnC,GAA0C,IAAItI,UAAJ,EAA1C,GAA6DoO,aAAG,CAACrR,WAAJ,CAAgB,CAAC+J,UAAD,CAAhB,CAH7D;AAIboP,gBAAQ,EAAE;AACRjb,sBAAY,EAAE6L,UAAU,CAAC7L;AADjB;AAJG,OAAf;;AAQA,UAAI6a,aAAJ,EAAmB;AACjB9D,iBAAS,GAAGlL,UAAU,CAACtJ,cAAvB,CADiB,CAEjB;;AACAuY,eAAO,GAAGC,OAAO,GAAGJ,YAAY,CAAC,CAAD,CAAZ,CAAgB7Z,GAAhB,GAAsBmE,IAAI,CAAC6J,KAAL,CAAWiI,SAAS,GAAGjU,UAAvB,CAA1C;AACD;AACF;;AAED,QAAI2K,UAAU,CAAC4B,GAAX,IAAkB5B,UAAU,CAAC+D,GAA7B,IAAoCoJ,YAAY,CAACxgB,MAArD,EAA6D;AAC3D;AACA;AACA,UAAMmI,cAAc,GAAGkL,UAAU,CAAClL,cAAlC;AACAkL,gBAAU,CAACsJ,SAAX,GAAuBxU,cAAvB;AACA6U,YAAM,CAACtN,KAAP,GAAe;AACb5H,iBAAS,EAAE,WADE;AAEbjC,aAAK,EAAEwN,UAAU,CAACxN,KAFL;AAGb6B,mBAAW,EAAEqR,aAAG,CAACrR,WAAJ,CAAgB,CAAC2L,UAAD,CAAhB,CAHA;AAIbwN,gBAAQ,EAAE;AACRpT,eAAK,EAAE4F,UAAU,CAAC5F,KADV;AAERE,gBAAM,EAAE0F,UAAU,CAAC1F;AAFX;AAJG,OAAf;;AASA,UAAI8S,aAAJ,EAAmB;AACjB9D,iBAAS,GAAGtJ,UAAU,CAAClL,cAAvB;AACAuY,eAAO,GAAG7V,IAAI,CAACC,GAAL,CAAS4V,OAAT,EAAkBF,YAAY,CAAC,CAAD,CAAZ,CAAgB9Z,GAAhB,GAAsByB,cAAc,GAAGO,UAAzD,CAAV;AACAiY,eAAO,GAAG9V,IAAI,CAACC,GAAL,CAAS6V,OAAT,EAAkBH,YAAY,CAAC,CAAD,CAAZ,CAAgBrZ,GAAhB,GAAsBgB,cAAc,GAAGO,UAAzD,CAAV;AACA,aAAKhG,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAAC4c,cAA5B,EAA4C;AAAEJ,iBAAO,EAAEA,OAAX;AAAoB/D,mBAAS,EAATA;AAApB,SAA5C;AACD;AACF;;AAED,QAAIoE,MAAM,CAACC,IAAP,CAAYhE,MAAZ,EAAoBhd,MAAxB,EAAgC;AAC9B0C,cAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAAC+c,yBAAvB,EAAkDhkB,IAAlD;AACA,WAAKmiB,WAAL,GAAmB,IAAnB;;AACA,UAAIqB,aAAJ,EAAmB;AACjB,aAAKjN,QAAL,GAAgBkN,OAAhB;AACA,aAAKjN,QAAL,GAAgBkN,OAAhB;AACD;AACF,KAPD,MAOO;AACLje,cAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,YAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,eAAO,EAAEC,sBAAY,CAACe,kBAAtD;AAA0Eb,aAAK,EAAE,KAAjF;AAAwFC,cAAM,EAAE;AAAhG,OAA9B;AACD;AACF,G;;SAEDsb,U,GAAA,oBAAY1Z,KAAZ,EAAmBmC,UAAnB,EAA+BC,UAA/B,EAA2CmX,gBAA3C,EAA6DlX,kBAA7D,EAAiF;AAC/E,QAAI7I,MAAM,GAAG,CAAb;AACA,QAAImhB,iBAAJ;AACA,QAAIxH,IAAJ;AACA,QAAIK,IAAJ;AACA,QAAIoH,QAAJ;AACA,QAAIC,QAAJ;AACA,QAAIC,OAAJ;AACA,QAAIC,OAAJ;AACA,QAAMC,SAAS,GAAGhb,KAAK,CAACoW,SAAxB;AACA,QAAM6E,YAAY,GAAGjb,KAAK,CAACa,OAA3B;AACA,QAAMqa,aAAa,GAAG,EAAtB;AACA,QAAM5M,SAAS,GAAG2M,YAAY,CAACxhB,MAA/B;AACA,QAAM0hB,YAAY,GAAG,KAAKC,aAA1B;AACA,QAAMjB,OAAO,GAAG,KAAKlN,QAArB,CAd+E,CAgB/E;;AACA,QAAIoO,UAAU,GAAG,KAAKA,UAAtB;AAEA,QAAM1C,QAAQ,GAAG,KAAKA,QAAtB;;AAEA,QAAIrK,SAAS,KAAK,CAAlB,EAAqB;AACnB;AACD,KAvB8E,CAyB/E;;;AACA,QAAIqK,QAAJ,EAAc;AACZ;AACA;AACA;AACA;AACA;AACAvW,gBAAU,IAAK6Y,YAAY,CAACxhB,MAAb,IAAuB4hB,UAAvB,KACEhZ,kBAAkB,IAAIiC,IAAI,CAAC4N,GAAL,CAAS/P,UAAU,GAAGkZ,UAAU,GAAGL,SAAnC,IAAgD,GAAvE,IACA1W,IAAI,CAAC4N,GAAL,CAAU+I,YAAY,CAAC,CAAD,CAAZ,CAAgB9a,GAAhB,GAAsBkb,UAAtB,GAAmClB,OAA7C,IAAyDa,SAAS,GAAG,CAFtE,CAAf;AAID;;AAED,QAAI,CAAC5Y,UAAL,EAAiB;AACf;AACAiZ,gBAAU,GAAGlZ,UAAU,GAAG6Y,SAA1B;AACD,KAzC8E,CA2C/E;AACA;;;AACAC,gBAAY,CAAC/L,OAAb,CAAqB,UAAUnO,MAAV,EAAkB;AACrCA,YAAM,CAACZ,GAAP,GAAagb,YAAY,CAACpa,MAAM,CAACZ,GAAP,GAAaga,OAAd,EAAuBkB,UAAvB,CAAzB;AACAta,YAAM,CAACH,GAAP,GAAaua,YAAY,CAACpa,MAAM,CAACH,GAAP,GAAauZ,OAAd,EAAuBkB,UAAvB,CAAzB;AACD,KAHD,EA7C+E,CAkD/E;;AACAJ,gBAAY,CAACK,IAAb,CAAkB,UAAUC,CAAV,EAAahM,CAAb,EAAgB;AAChC,UAAMiM,QAAQ,GAAGD,CAAC,CAAC3a,GAAF,GAAQ2O,CAAC,CAAC3O,GAA3B;AACA,UAAM6a,QAAQ,GAAGF,CAAC,CAACpb,GAAF,GAAQoP,CAAC,CAACpP,GAA3B;AACA,aAAOqb,QAAQ,IAAKC,QAAQ,IAAKF,CAAC,CAAC/Z,EAAF,GAAO+N,CAAC,CAAC/N,EAA1C;AACD,KAJD,EAnD+E,CAyD/E;;AACA,QAAIka,WAAW,GAAGT,YAAY,CAACU,MAAb,CAAoB,UAACzhB,IAAD,EAAO0hB,IAAP;AAAA,aAAgBtX,IAAI,CAAC+U,GAAL,CAAS/U,IAAI,CAACC,GAAL,CAASrK,IAAT,EAAe0hB,IAAI,CAACzb,GAAL,GAAWyb,IAAI,CAAChb,GAA/B,CAAT,EAA8C,CAAC,CAAD,GAAK4X,6BAAnD,CAAhB;AAAA,KAApB,EAAuH,CAAvH,CAAlB;;AACA,QAAIkD,WAAW,GAAG,CAAlB,EAAqB;AACnB5e,sBAAM,CAACgN,IAAP,2DAAoEuO,mBAAmB,CAACqD,WAAD,EAAc,IAAd,CAAvF;;AACA,WAAK,IAAItjB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG6iB,YAAY,CAACxhB,MAAjC,EAAyCrB,CAAC,EAA1C,EAA8C;AAC5C6iB,oBAAY,CAAC7iB,CAAD,CAAZ,CAAgBwI,GAAhB,IAAuB8a,WAAvB;AACD;AACF,KAhE8E,CAkE/E;;;AACA,QAAI3a,MAAM,GAAGka,YAAY,CAAC,CAAD,CAAzB;AACAJ,YAAQ,GAAGvW,IAAI,CAAC+U,GAAL,CAAStY,MAAM,CAACH,GAAhB,EAAqB,CAArB,CAAX;AACAga,YAAQ,GAAGtW,IAAI,CAAC+U,GAAL,CAAStY,MAAM,CAACZ,GAAhB,EAAqB,CAArB,CAAX,CArE+E,CAuE/E;;AACA,QAAI0b,KAAK,GAAGhB,QAAQ,GAAGQ,UAAvB,CAxE+E,CAyE/E;;AACA,QAAIjZ,UAAJ,EAAgB;AACd,UAAIyZ,KAAJ,EAAW;AACT,YAAIA,KAAK,GAAG,CAAZ,EAAe;AACb/e,0BAAM,CAACC,GAAP,WAAmBsb,mBAAmB,CAACwD,KAAD,EAAQ,IAAR,CAAtC;AACD,SAFD,MAEO,IAAIA,KAAK,GAAG,CAAC,CAAb,EAAgB;AACrB/e,0BAAM,CAACC,GAAP,WAAmBsb,mBAAmB,CAAC,CAACwD,KAAF,EAAS,IAAT,CAAtC;AACD,SALQ,CAOT;;;AACAhB,gBAAQ,GAAGQ,UAAX;AACAJ,oBAAY,CAAC,CAAD,CAAZ,CAAgBra,GAAhB,GAAsBia,QAAtB,CATS,CAUT;;AACAD,gBAAQ,GAAGtW,IAAI,CAAC+U,GAAL,CAASuB,QAAQ,GAAGiB,KAApB,EAA2BR,UAA3B,CAAX;AACAJ,oBAAY,CAAC,CAAD,CAAZ,CAAgB9a,GAAhB,GAAsBya,QAAtB;AACA9d,wBAAM,CAACC,GAAP,+BAAuCsb,mBAAmB,CAACuC,QAAD,EAAW,IAAX,CAA1D,SAA8EvC,mBAAmB,CAACwC,QAAD,EAAW,IAAX,CAAjG,iBAA6HxC,mBAAmB,CAACwD,KAAD,EAAQ,IAAR,CAAhJ;AACD;AACF,KA1F8E,CA4F/E;;;AACA9a,UAAM,GAAGka,YAAY,CAACA,YAAY,CAACxhB,MAAb,GAAsB,CAAvB,CAArB;AACAshB,WAAO,GAAGzW,IAAI,CAAC+U,GAAL,CAAStY,MAAM,CAACH,GAAhB,EAAqB,CAArB,CAAV;AACAka,WAAO,GAAGxW,IAAI,CAAC+U,GAAL,CAAStY,MAAM,CAACZ,GAAhB,EAAqB,CAArB,EAAwB4a,OAAxB,CAAV,CA/F+E,CAiG/E;AACA;AACA;;AACA,QAAIpC,QAAJ,EAAc;AACZgC,uBAAiB,GAAGrW,IAAI,CAAC6J,KAAL,CAAW,CAAC4M,OAAO,GAAGF,QAAX,KAAwBI,YAAY,CAACxhB,MAAb,GAAsB,CAA9C,CAAX,CAApB;AACD;;AAED,QAAIqiB,MAAM,GAAG,CAAb;AAAA,QAAgBC,OAAO,GAAG,CAA1B;;AACA,SAAK,IAAI3jB,EAAC,GAAG,CAAb,EAAgBA,EAAC,GAAGkW,SAApB,EAA+BlW,EAAC,EAAhC,EAAoC;AAClC;AACA,UAAI2I,OAAM,GAAGka,YAAY,CAAC7iB,EAAD,CAAzB;AAAA,UAA8B6Q,KAAK,GAAGlI,OAAM,CAACkI,KAA7C;AAAA,UAAoD+S,OAAO,GAAG/S,KAAK,CAACxP,MAApE;AAAA,UAA4EwiB,SAAS,GAAG,CAAxF;;AACA,WAAK,IAAInW,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGkW,OAApB,EAA6BlW,CAAC,EAA9B,EAAkC;AAChCmW,iBAAS,IAAIhT,KAAK,CAACnD,CAAD,CAAL,CAASpP,IAAT,CAAc+C,MAA3B;AACD;;AAEDsiB,aAAO,IAAIE,SAAX;AACAH,YAAM,IAAIE,OAAV;AACAjb,aAAM,CAACtH,MAAP,GAAgBwiB,SAAhB,CATkC,CAWlC;;AACA,UAAItD,QAAJ,EAAc;AACZ;AACA5X,eAAM,CAACH,GAAP,GAAaia,QAAQ,GAAGziB,EAAC,GAAGuiB,iBAA5B;AACD,OAHD,MAGO;AACL;AACA5Z,eAAM,CAACH,GAAP,GAAa0D,IAAI,CAAC+U,GAAL,CAAStY,OAAM,CAACH,GAAhB,EAAqBia,QAArB,CAAb;AACD,OAlBiC,CAmBlC;;;AACA9Z,aAAM,CAACZ,GAAP,GAAamE,IAAI,CAAC+U,GAAL,CAAStY,OAAM,CAACZ,GAAhB,EAAqBY,OAAM,CAACH,GAA5B,CAAb;AACD;AAED;;;;AAEA,QAAIsb,QAAQ,GAAGH,OAAO,GAAI,IAAID,MAAf,GAAyB,CAAxC;;AACA,QAAI;AACF3I,UAAI,GAAG,IAAI/O,UAAJ,CAAe8X,QAAf,CAAP;AACD,KAFD,CAEE,OAAO7e,GAAP,EAAY;AACZ,WAAKlB,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACC,KAA5B,EAAmC;AAAEC,YAAI,EAAEC,oBAAU,CAACqe,SAAnB;AAA8Bne,eAAO,EAAEC,sBAAY,CAACme,iBAApD;AAAuEje,aAAK,EAAE,KAA9E;AAAqF8R,aAAK,EAAEiM,QAA5F;AAAsG9d,cAAM,kCAAgC8d;AAA5I,OAAnC;AACA;AACD;;AACD,QAAIhkB,IAAI,GAAG,IAAIb,QAAJ,CAAa8b,IAAI,CAAClc,MAAlB,CAAX;AACAiB,QAAI,CAACmkB,SAAL,CAAe,CAAf,EAAkBH,QAAlB;AACA/I,QAAI,CAAC3O,GAAL,CAASgO,aAAG,CAACE,KAAJ,CAAUS,IAAnB,EAAyB,CAAzB;;AAEA,SAAK,IAAI/a,GAAC,GAAG,CAAb,EAAgBA,GAAC,GAAGkW,SAApB,EAA+BlW,GAAC,EAAhC,EAAoC;AAClC,UAAIsS,SAAS,GAAGuQ,YAAY,CAAC7iB,GAAD,CAA5B;AAAA,UACEkkB,cAAc,GAAG5R,SAAS,CAACzB,KAD7B;AAAA,UAEEsT,eAAe,GAAG,CAFpB;AAAA,UAGEC,qBAAqB,SAHvB,CADkC,CAKlC;;AACA,WAAK,IAAI1W,EAAC,GAAG,CAAR,EAAWkW,QAAO,GAAGM,cAAc,CAAC7iB,MAAzC,EAAiDqM,EAAC,GAAGkW,QAArD,EAA8DlW,EAAC,EAA/D,EAAmE;AACjE,YAAIpF,IAAI,GAAG4b,cAAc,CAACxW,EAAD,CAAzB;AAAA,YACE2W,QAAQ,GAAG/b,IAAI,CAAChK,IADlB;AAAA,YAEEgmB,WAAW,GAAGhc,IAAI,CAAChK,IAAL,CAAUS,UAF1B;AAGAe,YAAI,CAACmkB,SAAL,CAAe7iB,MAAf,EAAuBkjB,WAAvB;AACAljB,cAAM,IAAI,CAAV;AACA2Z,YAAI,CAAC3O,GAAL,CAASiY,QAAT,EAAmBjjB,MAAnB;AACAA,cAAM,IAAIkjB,WAAV;AACAH,uBAAe,IAAI,IAAIG,WAAvB;AACD;;AAED,UAAI,CAAC/D,QAAL,EAAe;AACb;AACA,YAAIvgB,GAAC,GAAGkW,SAAS,GAAG,CAApB,EAAuB;AACrBqM,2BAAiB,GAAGM,YAAY,CAAC7iB,GAAC,GAAG,CAAL,CAAZ,CAAoBwI,GAApB,GAA0B8J,SAAS,CAAC9J,GAAxD;AACD,SAFD,MAEO;AACL,cAAIxE,MAAM,GAAG,KAAKA,MAAlB;AAAA,cACEugB,iBAAiB,GAAGjS,SAAS,CAAC9J,GAAV,GAAgBqa,YAAY,CAAC7iB,GAAC,GAAG,CAAJ,GAAQA,GAAC,GAAG,CAAZ,GAAgBA,GAAjB,CAAZ,CAAgCwI,GADtE;;AAEA,cAAIxE,MAAM,CAACwgB,sBAAX,EAAmC;AACjC;AACA;AACA;AACA;AACA;AACA,gBAAIC,aAAa,GAAGzgB,MAAM,CAACygB,aAA3B;AAAA,gBACEC,YAAY,GAAGxY,IAAI,CAACkE,KAAL,CAAWqU,aAAa,GAAG7B,SAA3B,CADjB;AAAA,gBAEE+B,eAAe,GAAG,CAACxD,gBAAgB,GAAGqB,QAAQ,GAAGrB,gBAAgB,GAAGyB,SAAjC,GAA6C,KAAKgC,YAAnE,IAAmFtS,SAAS,CAACvK,GAFjH;;AAGA,gBAAI4c,eAAe,GAAGD,YAAtB,EAAoC;AAClC;AACA;AACAnC,+BAAiB,GAAGoC,eAAe,GAAGJ,iBAAtC;;AACA,kBAAIhC,iBAAiB,GAAG,CAAxB,EAA2B;AACzBA,iCAAiB,GAAGgC,iBAApB;AACD;;AAED7f,8BAAM,CAACC,GAAP,0BAAkCsb,mBAAmB,CAAC0E,eAAD,EAAkB,KAAlB,CAArD,gDAAwH1E,mBAAmB,CAACsC,iBAAD,EAAoB,KAApB,CAA3I;AACD,aATD,MASO;AACLA,+BAAiB,GAAGgC,iBAApB;AACD;AACF,WArBD,MAqBO;AACLhC,6BAAiB,GAAGgC,iBAApB;AACD;AACF;;AACDH,6BAAqB,GAAGlY,IAAI,CAAC6J,KAAL,CAAWzD,SAAS,CAACvK,GAAV,GAAgBuK,SAAS,CAAC9J,GAArC,CAAxB;AACD,OAjCD,MAiCO;AACL4b,6BAAqB,GAAGlY,IAAI,CAAC+U,GAAL,CAAS,CAAT,EAAYsB,iBAAiB,GAAGrW,IAAI,CAAC6J,KAAL,CAAW,CAACzD,SAAS,CAACvK,GAAV,GAAgBuK,SAAS,CAAC9J,GAA3B,IAAkC+Z,iBAA7C,CAAhC,CAAxB;AACD,OApDiC,CAsDlC;;;AACAO,mBAAa,CAACpa,IAAd,CAAmB;AACjB+D,YAAI,EAAE0X,eADW;AAEjB;AACAlb,gBAAQ,EAAEsZ,iBAHO;AAIjBlD,WAAG,EAAE+E,qBAJY;AAKjB3F,aAAK,EAAE;AACLa,mBAAS,EAAE,CADN;AAELX,sBAAY,EAAE,CAFT;AAGLC,uBAAa,EAAE,CAHV;AAILa,oBAAU,EAAE,CAJP;AAKLf,mBAAS,EAAEpM,SAAS,CAAC/T,GAAV,GAAgB,CAAhB,GAAoB,CAL1B;AAMLihB,mBAAS,EAAElN,SAAS,CAAC/T,GAAV,GAAgB,CAAhB,GAAoB;AAN1B;AALU,OAAnB;AAcD,KAlN8E,CAmN/E;;;AACA,SAAK0kB,UAAL,GAAkBN,OAAO,GAAGJ,iBAA5B;AACA,QAAIzQ,OAAO,GAAGlK,KAAK,CAACkK,OAApB;AACAlK,SAAK,CAAC8b,MAAN,GAAe,CAAf;AACA9b,SAAK,CAACkK,OAAN,GAAgB,CAAhB;;AACA,QAAIgR,aAAa,CAACzhB,MAAd,IAAwBmF,SAAS,CAACD,SAAV,CAAoBE,WAApB,GAAkCM,OAAlC,CAA0C,QAA1C,IAAsD,CAAC,CAAnF,EAAsF;AACpF,UAAI0X,KAAK,GAAGqE,aAAa,CAAC,CAAD,CAAb,CAAiBrE,KAA7B,CADoF,CAEpF;AACA;;AACAA,WAAK,CAACC,SAAN,GAAkB,CAAlB;AACAD,WAAK,CAACe,SAAN,GAAkB,CAAlB;AACD;;AACD5X,SAAK,CAACa,OAAN,GAAgBqa,aAAhB;AACA1H,QAAI,GAAGhB,aAAG,CAACgB,IAAJ,CAASxT,KAAK,CAACyB,cAAN,EAAT,EAAiCoZ,QAAjC,EAA2C7a,KAA3C,CAAP;AACAA,SAAK,CAACa,OAAN,GAAgB,EAAhB;AAEA,QAAInK,IAAI,GAAG;AACTumB,WAAK,EAAEzJ,IADE;AAET0J,WAAK,EAAE/J,IAFE;AAGTsG,cAAQ,EAAEmB,QAAQ,GAAGI,SAHZ;AAITxB,YAAM,EAAE,CAACsB,OAAO,GAAGH,iBAAX,IAAgCK,SAJ/B;AAKTmC,cAAQ,EAAEtC,QAAQ,GAAGG,SALZ;AAMToC,YAAM,EAAE,KAAK/B,UAAL,GAAkBL,SANjB;AAOTnd,UAAI,EAAE,OAPG;AAQTwf,cAAQ,EAAE,KARD;AASTC,cAAQ,EAAE,IATD;AAUTC,QAAE,EAAErC,aAAa,CAACzhB,MAVT;AAWTyQ,aAAO,EAAEA;AAXA,KAAX;AAaA,SAAK/N,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAAC6f,iBAA5B,EAA+C9mB,IAA/C;AACA,WAAOA,IAAP;AACD,G;;SAED4iB,U,GAAA,oBAAYtZ,KAAZ,EAAmBmC,UAAnB,EAA+BC,UAA/B,EAA2CC,kBAA3C,EAA+D;AAC7D,QAAMT,cAAc,GAAG5B,KAAK,CAAC4B,cAA7B;AACA,QAAM6b,YAAY,GAAGzd,KAAK,CAACoW,SAA3B;AACA,QAAMsH,WAAW,GAAG9b,cAAc,GAAG6b,YAArC;AACA,QAAM9C,iBAAiB,GAAG3a,KAAK,CAAC0B,KAAN,GAAc,IAAd,GAAqB,IAA/C;AACA,QAAMic,mBAAmB,GAAGhD,iBAAiB,GAAG+C,WAAhD;AACA,QAAMvC,YAAY,GAAG,KAAKC,aAA1B;AACA,QAAMjB,OAAO,GAAG,KAAKlN,QAArB;AACA,QAAM2Q,OAAO,GAAG,CAAC5d,KAAK,CAAC0B,KAAP,IAAgB,KAAK8H,aAAL,CAAmBkD,IAAnD;AAEA,QAAImR,SAAJ;AACA,QAAIC,SAAJ;AACA,QAAI3K,IAAJ;AACA,QAAIK,IAAJ;AACA,QAAIoH,QAAJ;AACA,QAAIE,OAAJ;AACA,QAAIthB,MAAM,GAAIokB,OAAO,GAAG,CAAH,GAAO,CAA5B;AACA,QAAI3C,YAAY,GAAGjb,KAAK,CAACa,OAAzB;AACA,QAAIqa,aAAa,GAAG,EAApB;AACA,QAAI8B,YAAY,GAAG,KAAKA,YAAxB,CAnB6D,CAqB7D;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AACA5a,cAAU,IAAK6Y,YAAY,CAACxhB,MAAb,IAAuBujB,YAAvB,KACE3a,kBAAkB,IAAIiC,IAAI,CAAC4N,GAAL,CAAS/P,UAAU,GAAG6a,YAAY,GAAGpb,cAArC,IAAuD,GAA9E,IACA0C,IAAI,CAAC4N,GAAL,CAAU+I,YAAY,CAAC,CAAD,CAAZ,CAAgB9a,GAAhB,GAAsB6c,YAAtB,GAAqC7C,OAA/C,IAA2D,KAAKwD,mBAFjE,CAAf,CA7B6D,CAkC7D;;AACA1C,gBAAY,CAAC/L,OAAb,CAAqB,UAAUnO,MAAV,EAAkB;AACrCA,YAAM,CAACZ,GAAP,GAAaY,MAAM,CAACH,GAAP,GAAaua,YAAY,CAACpa,MAAM,CAACZ,GAAP,GAAaga,OAAd,EAAuBhY,UAAU,GAAGP,cAApC,CAAtC;AACD,KAFD,EAnC6D,CAuC7D;AACA;AACA;;AACAqZ,gBAAY,GAAGA,YAAY,CAAC8C,MAAb,CAAoB,UAAUhd,MAAV,EAAkB;AACnD,aAAOA,MAAM,CAACZ,GAAP,IAAc,CAArB;AACD,KAFc,CAAf,CA1C6D,CA8C7D;;AACA,QAAI8a,YAAY,CAACxhB,MAAb,KAAwB,CAA5B,EAA+B;AAC7B;AACD;;AAED,QAAI,CAAC2I,UAAL,EAAiB;AACf,UAAI,CAACC,kBAAL,EAAyB;AACvB;AACA2a,oBAAY,GAAG/B,YAAY,CAAC,CAAD,CAAZ,CAAgB9a,GAA/B;AACD,OAHD,MAGO;AACL;AACA6c,oBAAY,GAAG7a,UAAU,GAAGP,cAA5B;AACD;AACF,KA3D4D,CA6D7D;AACA;AACA;AACA;AACA;;;AAEA,QAAI5B,KAAK,CAAC0B,KAAV,EAAiB;AACf,UAAMsc,mBAAmB,GAAG,KAAK5hB,MAAL,CAAY4hB,mBAAxC;;AACA,WAAK,IAAI5lB,CAAC,GAAG,CAAR,EAAW6lB,OAAO,GAAGjB,YAA1B,EAAwC5kB,CAAC,GAAG6iB,YAAY,CAACxhB,MAAzD,GAAkE;AAChE;AACA,YAAIsH,MAAM,GAAGka,YAAY,CAAC7iB,CAAD,CAAzB;AAAA,YAA8ByjB,KAA9B;AACA,YAAI1b,GAAG,GAAGY,MAAM,CAACZ,GAAjB;AACA0b,aAAK,GAAG1b,GAAG,GAAG8d,OAAd,CAJgE,CAMhE;;AACA,YAAIpC,KAAK,IAAI,CAACmC,mBAAD,GAAuBL,mBAApC,EAAyD;AACvD7gB,0BAAM,CAACgN,IAAP,+BAAwCuO,mBAAmB,CAAC4F,OAAD,EAAU,IAAV,CAA3D,mBAAwF5F,mBAAmB,CAACwD,KAAD,EAAQ,IAAR,CAA3G;AACAZ,sBAAY,CAAC/M,MAAb,CAAoB9V,CAApB,EAAuB,CAAvB,EAFuD,CAGvD;AACD,SAJD,CAIE;AAEF;AACA;AACA;AACA;AATA,aAUK,IAAIyjB,KAAK,IAAImC,mBAAmB,GAAGL,mBAA/B,IAAsD9B,KAAK,GAAGtD,+BAA9D,IAAiG0F,OAArG,EAA8G;AACjH,gBAAIC,OAAO,GAAG5Z,IAAI,CAAC6J,KAAL,CAAW0N,KAAK,GAAG8B,mBAAnB,CAAd;AACA7gB,4BAAM,CAACgN,IAAP,gBAAyBoU,OAAzB,wBAAmD7F,mBAAmB,CAAC4F,OAAD,EAAU,IAAV,CAAtE,mBAAmG5F,mBAAmB,CAAC4F,OAAD,EAAU,IAAV,CAAtH;;AACA,iBAAK,IAAInY,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGoY,OAApB,EAA6BpY,CAAC,EAA9B,EAAkC;AAChC,kBAAIqY,QAAQ,GAAG7Z,IAAI,CAAC+U,GAAL,CAAS4E,OAAT,EAAkB,CAAlB,CAAf;AACAH,uBAAS,GAAG1L,UAAG,CAACC,cAAJ,CAAmBrS,KAAK,CAAClB,aAAN,IAAuBkB,KAAK,CAACV,KAAhD,EAAuDU,KAAK,CAACX,YAA7D,CAAZ;;AACA,kBAAI,CAACye,SAAL,EAAgB;AACdhhB,gCAAM,CAACC,GAAP,CAAW,mFAAX;AACA+gB,yBAAS,GAAG/c,MAAM,CAACL,IAAP,CAAYC,QAAZ,EAAZ;AACD;;AACDsa,0BAAY,CAAC/M,MAAb,CAAoB9V,CAApB,EAAuB,CAAvB,EAA0B;AAAEsI,oBAAI,EAAEod,SAAR;AAAmB3d,mBAAG,EAAEge,QAAxB;AAAkCvd,mBAAG,EAAEud;AAAvC,eAA1B;AACAF,qBAAO,IAAIN,mBAAX;AACAvlB,eAAC;AACF,aAbgH,CAejH;;;AACA2I,kBAAM,CAACZ,GAAP,GAAaY,MAAM,CAACH,GAAP,GAAaqd,OAA1B;AACAA,mBAAO,IAAIN,mBAAX;AACAvlB,aAAC;AACF,WAnBI,MAmBE;AACL;AACA,gBAAIkM,IAAI,CAAC4N,GAAL,CAAS2J,KAAT,IAAmB,MAAM8B,mBAA7B,EAAmD,CACjD;AACD;;AACD5c,kBAAM,CAACZ,GAAP,GAAaY,MAAM,CAACH,GAAP,GAAaqd,OAA1B;AACAA,mBAAO,IAAIN,mBAAX;AACAvlB,aAAC;AACF;AACF;AACF,KAnH4D,CAqH7D;;;AACA,QAAIkW,SAAS,GAAG2M,YAAY,CAACxhB,MAA7B;AACA,QAAIyiB,QAAQ,GAAG,CAAf;;AACA,WAAO5N,SAAS,EAAhB,EAAoB;AAClB4N,cAAQ,IAAIjB,YAAY,CAAC3M,SAAD,CAAZ,CAAwB5N,IAAxB,CAA6BvJ,UAAzC;AACD;;AAED,SAAK,IAAI2O,GAAC,GAAG,CAAR,EAAWwI,UAAS,GAAG2M,YAAY,CAACxhB,MAAzC,EAAiDqM,GAAC,GAAGwI,UAArD,EAAgExI,GAAC,EAAjE,EAAqE;AACnE,UAAIsY,WAAW,GAAGnD,YAAY,CAACnV,GAAD,CAA9B;AACA,UAAIpF,IAAI,GAAG0d,WAAW,CAAC1d,IAAvB;AACA,UAAIP,IAAG,GAAGie,WAAW,CAACje,GAAtB,CAHmE,CAKnE;AACA;;AAEA,UAAI2a,OAAO,KAAK/e,SAAhB,EAA2B;AACzB8hB,iBAAS,CAACxc,QAAV,GAAqBiD,IAAI,CAAC6J,KAAL,CAAW,CAAChO,IAAG,GAAG2a,OAAP,IAAkB4C,WAA7B,CAArB;AACD,OAFD,MAEO;AACL,YAAI7B,MAAK,GAAG1b,IAAG,GAAG6c,YAAlB;;AACA,YAAIqB,gBAAgB,GAAG,CAAvB,CAFK,CAIL;AACA;;AACA,YAAIjc,UAAU,IAAIpC,KAAK,CAAC0B,KAAxB,EAA+B;AAC7B;AACA,cAAIma,MAAJ,EAAW;AACT,gBAAIA,MAAK,GAAG,CAAR,IAAaA,MAAK,GAAGtD,+BAAzB,EAA0D;AACxD;AACA;AACA8F,8BAAgB,GAAG/Z,IAAI,CAAC6J,KAAL,CAAW,CAAChO,IAAG,GAAG6c,YAAP,IAAuBW,mBAAlC,CAAnB;AAEA7gB,8BAAM,CAACC,GAAP,CAAcsb,mBAAmB,CAACwD,MAAD,EAAQ,IAAR,CAAjC;;AACA,kBAAIwC,gBAAgB,GAAG,CAAvB,EAA0B;AACxBP,yBAAS,GAAG1L,UAAG,CAACC,cAAJ,CAAmBrS,KAAK,CAAClB,aAAN,IAAuBkB,KAAK,CAACV,KAAhD,EAAuDU,KAAK,CAACX,YAA7D,CAAZ;;AACA,oBAAI,CAACye,SAAL,EAAgB;AACdA,2BAAS,GAAGpd,IAAI,CAACC,QAAL,EAAZ;AACD;;AAEDub,wBAAQ,IAAImC,gBAAgB,GAAGP,SAAS,CAACrkB,MAAzC;AACD,eAbuD,CAcxD;;AACD,aAfD,MAeO,IAAIoiB,MAAK,GAAG,CAAC,EAAb,EAAiB;AACtB;AACA/e,8BAAM,CAACC,GAAP,0DAAkEsb,mBAAmB,CAAC2E,YAAD,EAAe,IAAf,CAArF,cAAkH3E,mBAAmB,CAAClY,IAAD,EAAM,IAAN,CAArI,cAAyJkY,mBAAmB,CAAC,CAACwD,MAAF,EAAS,IAAT,CAA5K;AACAK,sBAAQ,IAAIxb,IAAI,CAACvJ,UAAjB;AACA;AACD,aArBQ,CAsBT;;;AACAgJ,gBAAG,GAAG6c,YAAN;AACD;AACF,SAjCI,CAkCL;;;AACApC,gBAAQ,GAAGza,IAAX;;AACA,YAAI+b,QAAQ,GAAG,CAAf,EAAkB;AAChBA,kBAAQ,IAAI1iB,MAAZ;;AACA,cAAI;AACF2Z,gBAAI,GAAG,IAAI/O,UAAJ,CAAe8X,QAAf,CAAP;AACD,WAFD,CAEE,OAAO7e,GAAP,EAAY;AACZ,iBAAKlB,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACC,KAA5B,EAAmC;AAAEC,kBAAI,EAAEC,oBAAU,CAACqe,SAAnB;AAA8Bne,qBAAO,EAAEC,sBAAY,CAACme,iBAApD;AAAuEje,mBAAK,EAAE,KAA9E;AAAqF8R,mBAAK,EAAEiM,QAA5F;AAAsG9d,oBAAM,kCAAgC8d;AAA5I,aAAnC;AACA;AACD;;AACD,cAAI,CAAC0B,OAAL,EAAc;AACZ,gBAAM1lB,IAAI,GAAG,IAAIb,QAAJ,CAAa8b,IAAI,CAAClc,MAAlB,CAAb;AACAiB,gBAAI,CAACmkB,SAAL,CAAe,CAAf,EAAkBH,QAAlB;AACA/I,gBAAI,CAAC3O,GAAL,CAASgO,aAAG,CAACE,KAAJ,CAAUS,IAAnB,EAAyB,CAAzB;AACD;AACF,SAbD,MAaO;AACL;AACA;AACD;;AACD,aAAK,IAAI/a,GAAC,GAAG,CAAb,EAAgBA,GAAC,GAAGimB,gBAApB,EAAsCjmB,GAAC,EAAvC,EAA2C;AACzC0lB,mBAAS,GAAG1L,UAAG,CAACC,cAAJ,CAAmBrS,KAAK,CAAClB,aAAN,IAAuBkB,KAAK,CAACV,KAAhD,EAAuDU,KAAK,CAACX,YAA7D,CAAZ;;AACA,cAAI,CAACye,SAAL,EAAgB;AACdhhB,4BAAM,CAACC,GAAP,CAAW,mFAAX;AACA+gB,qBAAS,GAAGpd,IAAI,CAACC,QAAL,EAAZ;AACD;;AACDwS,cAAI,CAAC3O,GAAL,CAASsZ,SAAT,EAAoBtkB,MAApB;AACAA,gBAAM,IAAIskB,SAAS,CAAC3mB,UAApB;AACA0mB,mBAAS,GAAG;AACVhZ,gBAAI,EAAEiZ,SAAS,CAAC3mB,UADN;AAEVsgB,eAAG,EAAE,CAFK;AAGVpW,oBAAQ,EAAE,IAHA;AAIVwV,iBAAK,EAAE;AACLa,uBAAS,EAAE,CADN;AAELX,0BAAY,EAAE,CAFT;AAGLC,2BAAa,EAAE,CAHV;AAILa,wBAAU,EAAE,CAJP;AAKLf,uBAAS,EAAE;AALN;AAJG,WAAZ;AAYAoE,uBAAa,CAACpa,IAAd,CAAmB+c,SAAnB;AACD;AACF;;AACD1K,UAAI,CAAC3O,GAAL,CAAS9D,IAAT,EAAelH,MAAf;AACA,UAAI8kB,OAAO,GAAG5d,IAAI,CAACvJ,UAAnB;AACAqC,YAAM,IAAI8kB,OAAV,CAxFmE,CAyFnE;;AACAT,eAAS,GAAG;AACVhZ,YAAI,EAAEyZ,OADI;AAEV7G,WAAG,EAAE,CAFK;AAGVpW,gBAAQ,EAAE,CAHA;AAIVwV,aAAK,EAAE;AACLa,mBAAS,EAAE,CADN;AAELX,sBAAY,EAAE,CAFT;AAGLC,uBAAa,EAAE,CAHV;AAILa,oBAAU,EAAE,CAJP;AAKLf,mBAAS,EAAE;AALN;AAJG,OAAZ;AAYAoE,mBAAa,CAACpa,IAAd,CAAmB+c,SAAnB;AACA/C,aAAO,GAAG3a,IAAV;AACD;;AACD,QAAIoe,kBAAkB,GAAG,CAAzB;AACAjQ,aAAS,GAAG4M,aAAa,CAACzhB,MAA1B,CAtO6D,CAuO7D;;AACA,QAAI6U,SAAS,IAAI,CAAjB,EAAoB;AAClBiQ,wBAAkB,GAAGrD,aAAa,CAAC5M,SAAS,GAAG,CAAb,CAAb,CAA6BjN,QAAlD;AACAwc,eAAS,CAACxc,QAAV,GAAqBkd,kBAArB;AACD;;AACD,QAAIjQ,SAAJ,EAAe;AACb;AACA,WAAK0O,YAAL,GAAoBA,YAAY,GAAGlC,OAAO,GAAG4C,WAAW,GAAGa,kBAA3D,CAFa,CAGb;;AACAve,WAAK,CAACa,OAAN,GAAgBqa,aAAhB;;AACA,UAAI0C,OAAJ,EAAa;AACXpK,YAAI,GAAG,IAAIpP,UAAJ,EAAP;AACD,OAFD,MAEO;AACLoP,YAAI,GAAGhB,aAAG,CAACgB,IAAJ,CAASxT,KAAK,CAACyB,cAAN,EAAT,EAAiCmZ,QAAQ,GAAG8C,WAA5C,EAAyD1d,KAAzD,CAAP;AACD;;AAEDA,WAAK,CAACa,OAAN,GAAgB,EAAhB;AACA,UAAM+J,KAAK,GAAGgQ,QAAQ,GAAGhZ,cAAzB;AACA,UAAM4c,GAAG,GAAGxB,YAAY,GAAGpb,cAA3B;AACA,UAAM8J,SAAS,GAAG;AAChBuR,aAAK,EAAEzJ,IADS;AAEhB0J,aAAK,EAAE/J,IAFS;AAGhBsG,gBAAQ,EAAE7O,KAHM;AAIhB4O,cAAM,EAAEgF,GAJQ;AAKhBrB,gBAAQ,EAAEvS,KALM;AAMhBwS,cAAM,EAAEoB,GANQ;AAOhB3gB,YAAI,EAAE,OAPU;AAQhBwf,gBAAQ,EAAE,IARM;AAShBC,gBAAQ,EAAE,KATM;AAUhBC,UAAE,EAAEjP;AAVY,OAAlB;AAYA,WAAKnS,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAAC6f,iBAA5B,EAA+C9R,SAA/C;AACA,aAAOA,SAAP;AACD;;AACD,WAAO,IAAP;AACD,G;;SAEDkO,e,GAAA,yBAAiB5Z,KAAjB,EAAwBmC,UAAxB,EAAoCC,UAApC,EAAgDuX,SAAhD,EAA2D;AACzD,QAAI/X,cAAc,GAAG5B,KAAK,CAAC4B,cAA3B;AACA,QAAI6b,YAAY,GAAGzd,KAAK,CAACZ,UAAN,GAAmBY,KAAK,CAACZ,UAAzB,GAAsCwC,cAAzD;AACA,QAAI8b,WAAW,GAAG9b,cAAc,GAAG6b,YAAnC;AACA,QAAIT,YAAY,GAAG,KAAKA,YAAxB,CAJyD,CAMzD;;AACA,QAAIG,QAAQ,GAAG,CAACH,YAAY,KAAKjhB,SAAjB,GAA6BihB,YAA7B,GAA4CrD,SAAS,CAACwD,QAAV,GAAqBvb,cAAlE,IAAoF,KAAKsL,QAAxG;AACA,QAAIkQ,MAAM,GAAGzD,SAAS,CAACyD,MAAV,GAAmBxb,cAAnB,GAAoC,KAAKsL,QAAtD,CARyD,CASzD;;AACA,QAAIuR,cAAc,GAAG,IAArB;AACA,QAAIpe,aAAa,GAAGqd,WAAW,GAAGe,cAAlC,CAXyD,CAazD;;AACA,QAAInQ,SAAS,GAAGhK,IAAI,CAAC6C,IAAL,CAAU,CAACiW,MAAM,GAAGD,QAAV,IAAsB9c,aAAhC,CAAhB,CAdyD,CAgBzD;;AACA,QAAIqe,WAAW,GAAGtM,UAAG,CAACC,cAAJ,CAAmBrS,KAAK,CAAClB,aAAN,IAAuBkB,KAAK,CAACV,KAAhD,EAAuDU,KAAK,CAACX,YAA7D,CAAlB;AAEAvC,oBAAM,CAACgN,IAAP,CAAY,mBAAZ,EAnByD,CAoBzD;;AACA,QAAI,CAAC4U,WAAL,EAAkB;AAChB5hB,sBAAM,CAAC6hB,KAAP,CAAa,6FAAb;AACA;AACD;;AAED,QAAI9d,OAAO,GAAG,EAAd;;AACA,SAAK,IAAIzI,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGkW,SAApB,EAA+BlW,CAAC,EAAhC,EAAoC;AAClC,UAAIkI,KAAK,GAAG6c,QAAQ,GAAG/kB,CAAC,GAAGiI,aAA3B;AACAQ,aAAO,CAACC,IAAR,CAAa;AAAEJ,YAAI,EAAEge,WAAR;AAAqBve,WAAG,EAAEG,KAA1B;AAAiCM,WAAG,EAAEN;AAAtC,OAAb;AACD;;AACDN,SAAK,CAACa,OAAN,GAAgBA,OAAhB;AAEA,SAAKyY,UAAL,CAAgBtZ,KAAhB,EAAuBmC,UAAvB,EAAmCC,UAAnC;AACD,G;;SAEDyX,Q,GAAA,kBAAU7Z,KAAV,EAAiB;AACf,QAAIvG,MAAM,GAAGuG,KAAK,CAACa,OAAN,CAAcpH,MAA3B;AAAA,QAAmCsH,MAAnC;AACA,QAAMa,cAAc,GAAG5B,KAAK,CAAC4B,cAA7B;AACA,QAAMuY,OAAO,GAAG,KAAKlN,QAArB;AACA,QAAMmN,OAAO,GAAG,KAAKlN,QAArB,CAJe,CAKf;;AACA,QAAIzT,MAAJ,EAAY;AACV,WAAK,IAAImlB,KAAK,GAAG,CAAjB,EAAoBA,KAAK,GAAGnlB,MAA5B,EAAoCmlB,KAAK,EAAzC,EAA6C;AAC3C7d,cAAM,GAAGf,KAAK,CAACa,OAAN,CAAc+d,KAAd,CAAT,CAD2C,CAE3C;AACA;;AACA7d,cAAM,CAACZ,GAAP,GAAc,CAACY,MAAM,CAACZ,GAAP,GAAaga,OAAd,IAAyBvY,cAAvC;AACAb,cAAM,CAACH,GAAP,GAAc,CAACG,MAAM,CAACH,GAAP,GAAawZ,OAAd,IAAyBxY,cAAvC;AACD;;AACD,WAAKzF,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACkhB,qBAA5B,EAAmD;AACjDhe,eAAO,EAAEb,KAAK,CAACa;AADkC,OAAnD;AAGD;;AAEDb,SAAK,CAACa,OAAN,GAAgB,EAAhB;AACD,G;;SAEDiZ,S,GAAA,mBAAW9Z,KAAX,EAAkB;AAChBA,SAAK,CAACa,OAAN,CAAcya,IAAd,CAAmB,UAAUC,CAAV,EAAahM,CAAb,EAAgB;AACjC,aAAQgM,CAAC,CAACpb,GAAF,GAAQoP,CAAC,CAACpP,GAAlB;AACD,KAFD;AAIA,QAAI1G,MAAM,GAAGuG,KAAK,CAACa,OAAN,CAAcpH,MAA3B;AAAA,QAAmCsH,MAAnC;AACA,QAAMa,cAAc,GAAG5B,KAAK,CAAC4B,cAA7B;AACA,QAAMuY,OAAO,GAAG,KAAKlN,QAArB,CAPgB,CAQhB;;AACA,QAAIxT,MAAJ,EAAY;AACV,WAAK,IAAImlB,KAAK,GAAG,CAAjB,EAAoBA,KAAK,GAAGnlB,MAA5B,EAAoCmlB,KAAK,EAAzC,EAA6C;AAC3C7d,cAAM,GAAGf,KAAK,CAACa,OAAN,CAAc+d,KAAd,CAAT,CAD2C,CAE3C;AACA;;AACA7d,cAAM,CAACZ,GAAP,GAAc,CAACY,MAAM,CAACZ,GAAP,GAAaga,OAAd,IAAyBvY,cAAvC;AACD;;AACD,WAAKzF,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACmhB,qBAA5B,EAAmD;AACjDje,eAAO,EAAEb,KAAK,CAACa;AADkC,OAAnD;AAGD;;AAEDb,SAAK,CAACa,OAAN,GAAgB,EAAhB;AACD,G;;SAEDua,a,GAAA,uBAAejK,KAAf,EAAsB4N,SAAtB,EAAiC;AAC/B,QAAIvlB,MAAJ;;AACA,QAAIulB,SAAS,KAAKhjB,SAAlB,EAA6B;AAC3B,aAAOoV,KAAP;AACD;;AAED,QAAI4N,SAAS,GAAG5N,KAAhB,EAAuB;AACrB;AACA3X,YAAM,GAAG,CAAC,UAAV;AACD,KAHD,MAGO;AACL;AACAA,YAAM,GAAG,UAAT;AACD;AACD;;;;;AAGA,WAAO8K,IAAI,CAAC4N,GAAL,CAASf,KAAK,GAAG4N,SAAjB,IAA8B,UAArC,EAAiD;AAC/C5N,WAAK,IAAI3X,MAAT;AACD;;AAED,WAAO2X,KAAP;AACD,G;;;;;AAGI,SAAS6N,YAAT,CAAuB7N,KAAvB,EAA8B4N,SAA9B,EAAyC;AAC9C,MAAIvlB,MAAJ;;AACA,MAAIulB,SAAS,KAAK,IAAlB,EAAwB;AACtB,WAAO5N,KAAP;AACD;;AAED,MAAI4N,SAAS,GAAG5N,KAAhB,EAAuB;AACrB;AACA3X,UAAM,GAAG,CAAC,UAAV;AACD,GAHD,MAGO;AACL;AACAA,UAAM,GAAG,UAAT;AACD;AACD;;;;;AAGA,SAAO8K,IAAI,CAAC4N,GAAL,CAASf,KAAK,GAAG4N,SAAjB,IAA8B,UAArC,EAAiD;AAC/C5N,SAAK,IAAI3X,MAAT;AACD;;AAED,SAAO2X,KAAP;AACD;AAEcsH,sEAAf,E;;AC1zBA;;;AAGA;;IAEMwG,sC;;;AACJ,8BAAa9iB,QAAb,EAAuB;AACrB,SAAKA,QAAL,GAAgBA,QAAhB;AACD;;;;SAEDL,O,GAAA,mBAAW,CACV,C;;SAED+F,c,GAAA,0BAAkB,CACjB,C;;SAEDX,gB,GAAA,4BAAoB,CACnB,C;;SAEDwB,K,GAAA,eAAOwI,UAAP,EAAmB4B,UAAnB,EAA+B3B,QAA/B,EAAyC4B,SAAzC,EAAoD5K,UAApD,EAAgEC,UAAhE,EAA4EC,kBAA5E,EAAgG6c,OAAhG,EAAyG;AACvG,QAAI/iB,QAAQ,GAAG,KAAKA,QAApB;AACA,QAAIgjB,UAAU,GAAG,EAAjB;;AACA,QAAIjU,UAAJ,EAAgB;AACdiU,gBAAU,IAAI,OAAd;AACD;;AAED,QAAIrS,UAAJ,EAAgB;AACdqS,gBAAU,IAAI,OAAd;AACD;;AAEDhjB,YAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAAC6f,iBAAvB,EAA0C;AACxCP,WAAK,EAAEiC,OADiC;AAExCzF,cAAQ,EAAEtX,UAF8B;AAGxCgb,cAAQ,EAAEhb,UAH8B;AAIxCtE,UAAI,EAAEshB,UAJkC;AAKxC9B,cAAQ,EAAE,CAAC,CAACnS,UAL4B;AAMxCoS,cAAQ,EAAE,CAAC,CAACxQ,UAN4B;AAOxCyQ,QAAE,EAAE,CAPoC;AAQxCrT,aAAO,EAAE;AAR+B,KAA1C,EAXuG,CAqBvG;;AACA/N,YAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAACoc,WAAvB;AACD,G;;;;;AAGYkF,8FAAf,E;;AC7CA;;;;;;AAOA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AAEA;CAGA;;AACA,IAAMjjB,qBAAM,GAAGC,sCAAY,EAA3B,C,CAA+B;;AAE/B,IAAImjB,GAAJ,C,CACA;;AACA,IAAI;AACFA,KAAG,GAAGpjB,qBAAM,CAACqjB,WAAP,CAAmBD,GAAnB,CAAuBvY,IAAvB,CAA4B7K,qBAAM,CAACqjB,WAAnC,CAAN;AACD,CAFD,CAEE,OAAOhiB,GAAP,EAAY;AACZP,kBAAM,CAAC6R,KAAP,CAAa,mDAAb;AACAyQ,KAAG,GAAGpjB,qBAAM,CAACsjB,IAAP,CAAYF,GAAlB;AACD;;IAEKG,4B;;;AACJ,yBAAapjB,QAAb,EAAuBqN,aAAvB,EAAsCpN,MAAtC,EAA8Csc,MAA9C,EAAsD;AACpD,SAAKvc,QAAL,GAAgBA,QAAhB;AACA,SAAKqN,aAAL,GAAqBA,aAArB;AACA,SAAKpN,MAAL,GAAcA,MAAd;AACA,SAAKsc,MAAL,GAAcA,MAAd;AACD;;;;SAED5c,O,GAAA,mBAAW;AACT,QAAI0jB,OAAO,GAAG,KAAKA,OAAnB;;AACA,QAAIA,OAAJ,EAAa;AACXA,aAAO,CAAC1jB,OAAR;AACD;AACF,G;;SAEDgF,I,GAAA,cAAMpK,IAAN,EAAY6Q,WAAZ,EAAyBpG,WAAzB,EAAsC7C,UAAtC,EAAkD8C,UAAlD,EAA8De,UAA9D,EAA0Esd,aAA1E,EAAyFC,WAAzF,EAAsGtd,UAAtG,EAAkHf,QAAlH,EAA4HgB,kBAA5H,EAAgJsd,cAAhJ,EAAgK;AAAA;;AAC9J,QAAKjpB,IAAI,CAACS,UAAL,GAAkB,CAAnB,IAA0BoQ,WAAW,IAAI,IAAzC,IAAmDA,WAAW,CAAC5Q,GAAZ,IAAmB,IAAtE,IAAgF4Q,WAAW,CAACoC,MAAZ,KAAuB,SAA3G,EAAuH;AACrH,UAAIlC,SAAS,GAAG,KAAKA,SAArB;;AACA,UAAIA,SAAS,IAAI,IAAjB,EAAuB;AACrBA,iBAAS,GAAG,KAAKA,SAAL,GAAiB,IAAIvL,eAAJ,CAAc,KAAKC,QAAnB,EAA6B,KAAKC,MAAlC,CAA7B;AACD;;AAED,UAAMwjB,SAAS,GAAGR,GAAG,EAArB;AACA3X,eAAS,CAAChR,OAAV,CAAkBC,IAAlB,EAAwB6Q,WAAW,CAAC5Q,GAAZ,CAAgBM,MAAxC,EAAgDsQ,WAAW,CAAChR,EAAZ,CAAeU,MAA/D,EAAuE,UAACkR,aAAD,EAAmB;AACxF,YAAM0X,OAAO,GAAGT,GAAG,EAAnB;;AACA,aAAI,CAACjjB,QAAL,CAAcuB,OAAd,CAAsBC,iBAAK,CAACmiB,cAA5B,EAA4C;AAAEC,eAAK,EAAE;AAAEC,kBAAM,EAAEJ,SAAV;AAAqBK,oBAAQ,EAAEJ;AAA/B;AAAT,SAA5C;;AACA,aAAI,CAACK,aAAL,CAAmB,IAAI9b,UAAJ,CAAe+D,aAAf,CAAnB,EAAkDZ,WAAlD,EAA+D,IAAInD,UAAJ,CAAejD,WAAf,CAA/D,EAA4F7C,UAA5F,EAAwG8C,UAAxG,EAAoHe,UAApH,EAAgIsd,aAAhI,EAA+IC,WAA/I,EAA4Jtd,UAA5J,EAAwKf,QAAxK,EAAkLgB,kBAAlL,EAAsMsd,cAAtM;AACD,OAJD;AAKD,KAZD,MAYO;AACL,WAAKO,aAAL,CAAmB,IAAI9b,UAAJ,CAAe1N,IAAf,CAAnB,EAAyC6Q,WAAzC,EAAsD,IAAInD,UAAJ,CAAejD,WAAf,CAAtD,EAAmF7C,UAAnF,EAA+F8C,UAA/F,EAA2Ge,UAA3G,EAAuHsd,aAAvH,EAAsIC,WAAtI,EAAmJtd,UAAnJ,EAA+Jf,QAA/J,EAAyKgB,kBAAzK,EAA6Lsd,cAA7L;AACD;AACF,G;;SAEDO,a,GAAA,uBAAexpB,IAAf,EAAqB6Q,WAArB,EAAkCpG,WAAlC,EAA+C7C,UAA/C,EAA2D8C,UAA3D,EAAuEe,UAAvE,EAAmFsd,aAAnF,EAAkGC,WAAlG,EAA+Gtd,UAA/G,EAA2Hf,QAA3H,EAAqIgB,kBAArI,EAAyJsd,cAAzJ,EAAyK;AACvK,QAAIH,OAAO,GAAG,KAAKA,OAAnB;;AACA,QAAI,CAACA,OAAD,IACF;AACA;AACA;AACC,KAACC,aAAa,IAAIC,WAAlB,KAAkC,CAAC,KAAK/f,KAAL,CAAWjJ,IAAX,CAJtC,EAIyD;AACvD,UAAMyF,QAAQ,GAAG,KAAKA,QAAtB;AACA,UAAMqN,aAAa,GAAG,KAAKA,aAA3B;AACA,UAAMpN,MAAM,GAAG,KAAKA,MAApB,CAHuD,CAIvD;;AACA,UAAM+jB,SAAS,GAAG,CAChB;AAAEC,aAAK,EAAE7W,SAAT;AAAoB7G,aAAK,EAAE+V,WAAUA;AAArC,OADgB,EAEhB;AAAE2H,aAAK,EAAEC,qBAAT;AAAqB3d,aAAK,EAAEuc,mBAAkBA;AAA9C,OAFgB,EAGhB;AAAEmB,aAAK,EAAEpf,UAAT;AAAqB0B,aAAK,EAAE+V,WAAUA;AAAtC,OAHgB,EAIhB;AAAE2H,aAAK,EAAEjO,UAAT;AAAqBzP,aAAK,EAAE+V,WAAUA;AAAtC,OAJgB,CAAlB,CALuD,CAYvD;;AACA,WAAK,IAAIrgB,CAAC,GAAG,CAAR,EAAWuJ,GAAG,GAAGwe,SAAS,CAAC1mB,MAAhC,EAAwCrB,CAAC,GAAGuJ,GAA5C,EAAiDvJ,CAAC,EAAlD,EAAsD;AACpD,YAAMkoB,GAAG,GAAGH,SAAS,CAAC/nB,CAAD,CAArB;AACA,YAAMuH,KAAK,GAAG2gB,GAAG,CAACF,KAAJ,CAAUzgB,KAAxB;;AACA,YAAIA,KAAK,CAACjJ,IAAD,CAAT,EAAiB;AACf,cAAMuK,QAAO,GAAG,KAAKA,OAAL,GAAe,IAAIqf,GAAG,CAAC5d,KAAR,CAAcvG,QAAd,EAAwBC,MAAxB,EAAgCoN,aAAhC,EAA+C,KAAKkP,MAApD,CAA/B;;AACA8G,iBAAO,GAAG,IAAIc,GAAG,CAACF,KAAR,CAAcjkB,QAAd,EAAwB8E,QAAxB,EAAiC7E,MAAjC,EAAyCoN,aAAzC,CAAV;AACA,eAAK7J,KAAL,GAAaA,KAAb;AACA;AACD;AACF;;AACD,UAAI,CAAC6f,OAAL,EAAc;AACZrjB,gBAAQ,CAACuB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,cAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,iBAAO,EAAEC,sBAAY,CAACe,kBAAtD;AAA0Eb,eAAK,EAAE,IAAjF;AAAuFC,gBAAM,EAAE;AAA/F,SAA9B;AACA;AACD;;AACD,WAAKohB,OAAL,GAAeA,OAAf;AACD;;AACD,QAAMve,OAAO,GAAG,KAAKA,OAArB;;AAEA,QAAIwe,aAAa,IAAIC,WAArB,EAAkC;AAChCF,aAAO,CAACte,gBAAR,CAAyBC,WAAzB,EAAsC7C,UAAtC,EAAkD8C,UAAlD,EAA8DC,QAA9D;AACAJ,aAAO,CAACC,gBAAR;AACD;;AACD,QAAIue,aAAJ,EAAmB;AACjBD,aAAO,CAAC3d,cAAR,CAAuB8d,cAAvB;AACA1e,aAAO,CAACY,cAAR,CAAuB8d,cAAvB;AACD;;AACD,QAAI,OAAOH,OAAO,CAAC9V,cAAf,KAAkC,UAAtC,EAAkD;AAChD8V,aAAO,CAAC9V,cAAR,CAAuBnC,WAAvB;AACD;;AAEDiY,WAAO,CAACtd,MAAR,CAAexL,IAAf,EAAqByL,UAArB,EAAiCC,UAAjC,EAA6CC,kBAA7C;AACD,G;;;;;AAGYkd,gHAAf,E;;;;;;;;;;;;;ACtHA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;;;;AAKA;AACA;AACA;AAEA;;AAEA,IAAIgB,aAAa,GAAG,SAAhBA,aAAgB,CAAUC,IAAV,EAAgB;AAClC;AACA,MAAIrkB,QAAQ,GAAG,IAAIskB,0DAAJ,EAAf;;AACAtkB,UAAQ,CAACuB,OAAT,GAAmB,SAASA,OAAT,CAAkBgjB,KAAlB,EAAkC;AAAA,sCAANhqB,IAAM;AAANA,UAAM;AAAA;;AACnDyF,YAAQ,CAACwkB,IAAT,OAAAxkB,QAAQ,GAAMukB,KAAN,EAAaA,KAAb,SAAuBhqB,IAAvB,EAAR;AACD,GAFD;;AAIAyF,UAAQ,CAACykB,GAAT,GAAe,SAASA,GAAT,CAAcF,KAAd,EAA8B;AAAA,uCAANhqB,IAAM;AAANA,UAAM;AAAA;;AAC3CyF,YAAQ,CAAC0kB,cAAT,OAAA1kB,QAAQ,GAAgBukB,KAAhB,SAA0BhqB,IAA1B,EAAR;AACD,GAFD;;AAIA,MAAIoqB,cAAc,GAAG,SAAjBA,cAAiB,CAAUC,EAAV,EAAcrqB,IAAd,EAAoB;AACvC8pB,QAAI,CAACQ,WAAL,CAAiB;AAAEN,WAAK,EAAEK,EAAT;AAAarqB,UAAI,EAAEA;AAAnB,KAAjB;AACD,GAFD;;AAIA8pB,MAAI,CAACS,gBAAL,CAAsB,SAAtB,EAAiC,UAAUF,EAAV,EAAc;AAC7C,QAAIrqB,IAAI,GAAGqqB,EAAE,CAACrqB,IAAd,CAD6C,CAE7C;;AACA,YAAQA,IAAI,CAACwqB,GAAb;AACA,WAAK,MAAL;AACE,YAAM9kB,MAAM,GAAG+kB,IAAI,CAACC,KAAL,CAAW1qB,IAAI,CAAC0F,MAAhB,CAAf;AACAokB,YAAI,CAAChB,OAAL,GAAe,IAAID,6DAAJ,CAAkBpjB,QAAlB,EAA4BzF,IAAI,CAAC8S,aAAjC,EAAgDpN,MAAhD,EAAwD1F,IAAI,CAACgiB,MAA7D,CAAf;AAEA2I,wEAAU,CAACjlB,MAAM,CAACuS,KAAR,CAAV,CAJF,CAME;;AACAmS,sBAAc,CAAC,MAAD,EAAS,IAAT,CAAd;AACA;;AACF,WAAK,OAAL;AACEN,YAAI,CAAChB,OAAL,CAAa1e,IAAb,CAAkBpK,IAAI,CAACA,IAAvB,EAA6BA,IAAI,CAAC6Q,WAAlC,EAA+C7Q,IAAI,CAACyK,WAApD,EAAiEzK,IAAI,CAAC4H,UAAtE,EAAkF5H,IAAI,CAAC0K,UAAvF,EAAmG1K,IAAI,CAACyL,UAAxG,EAAoHzL,IAAI,CAAC+oB,aAAzH,EAAwI/oB,IAAI,CAACgpB,WAA7I,EAA0JhpB,IAAI,CAAC0L,UAA/J,EAA2K1L,IAAI,CAAC2K,QAAhL,EAA0L3K,IAAI,CAAC2L,kBAA/L,EAAmN3L,IAAI,CAACipB,cAAxN;AACA;;AACF;AACE;AAdF;AAgBD,GAnBD,EAfkC,CAoClC;;AACAxjB,UAAQ,CAACmlB,EAAT,CAAY3jB,+CAAK,CAACmiB,cAAlB,EAAkCgB,cAAlC;AACA3kB,UAAQ,CAACmlB,EAAT,CAAY3jB,+CAAK,CAAC+c,yBAAlB,EAA6CoG,cAA7C;AACA3kB,UAAQ,CAACmlB,EAAT,CAAY3jB,+CAAK,CAACoc,WAAlB,EAA+B+G,cAA/B;AACA3kB,UAAQ,CAACmlB,EAAT,CAAY3jB,+CAAK,CAACC,KAAlB,EAAyBkjB,cAAzB;AACA3kB,UAAQ,CAACmlB,EAAT,CAAY3jB,+CAAK,CAACkhB,qBAAlB,EAAyCiC,cAAzC;AACA3kB,UAAQ,CAACmlB,EAAT,CAAY3jB,+CAAK,CAACmhB,qBAAlB,EAAyCgC,cAAzC;AACA3kB,UAAQ,CAACmlB,EAAT,CAAY3jB,+CAAK,CAAC4c,cAAlB,EAAkCuG,cAAlC,EA3CkC,CA6ClC;;AACA3kB,UAAQ,CAACmlB,EAAT,CAAY3jB,+CAAK,CAAC6f,iBAAlB,EAAqC,UAAUuD,EAAV,EAAcrqB,IAAd,EAAoB;AACvD,QAAI6qB,YAAY,GAAG,EAAnB;AACA,QAAI9jB,OAAO,GAAG;AAAEijB,WAAK,EAAEK,EAAT;AAAarqB,UAAI,EAAEA;AAAnB,KAAd;;AACA,QAAIA,IAAI,CAACumB,KAAT,EAAgB;AACdxf,aAAO,CAACwf,KAAR,GAAgBvmB,IAAI,CAACumB,KAAL,CAAWhmB,MAA3B;AACAsqB,kBAAY,CAACzgB,IAAb,CAAkBpK,IAAI,CAACumB,KAAL,CAAWhmB,MAA7B;AACA,aAAOP,IAAI,CAACumB,KAAZ;AACD;;AACD,QAAIvmB,IAAI,CAACwmB,KAAT,EAAgB;AACdzf,aAAO,CAACyf,KAAR,GAAgBxmB,IAAI,CAACwmB,KAAL,CAAWjmB,MAA3B;AACAsqB,kBAAY,CAACzgB,IAAb,CAAkBpK,IAAI,CAACwmB,KAAL,CAAWjmB,MAA7B;AACA,aAAOP,IAAI,CAACwmB,KAAZ;AACD;;AACDsD,QAAI,CAACQ,WAAL,CAAiBvjB,OAAjB,EAA0B8jB,YAA1B;AACD,GAdD;AAeD,CA7DD;;AA+DehB,4EAAf,E;;;;;;;;;;;;AC1EA;AAAA;AAAA;AAAA;AAEA;;;;IAGMxe,G;;;;;AACJ;;;;;;MAMOrC,Q,GAAP,kBAAiBhJ,IAAjB,EAAuB8C,MAAvB,EAA+B;AAC7B;;;;;;;;;;;;;AAaA,QAAIA,MAAM,GAAG,EAAT,IAAe9C,IAAI,CAAC+C,MAAxB,EAAgC;AAC9B;AACA,UAAI/C,IAAI,CAAC8C,MAAD,CAAJ,KAAiB,IAAjB,IAAyB9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,KAAqB,IAA9C,IAAsD9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,KAAqB,IAA/E,EAAqF;AACnF;AACA,YAAI9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAnB,IAA2B9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAlD,EAAwD;AACtD;AACA,cAAI9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAnB,IAA2B9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAA9C,IAAsD9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAzE,IAAiF9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAxG,EAA8G;AAC5G,mBAAO,IAAP;AACD;AACF;AACF;AACF;;AAED,WAAO,KAAP;AACD;AAED;;;;;;;;MAMOgoB,Q,GAAP,kBAAiB9qB,IAAjB,EAAuB8C,MAAvB,EAA+B;AAC7B;;;AAGA,QAAIA,MAAM,GAAG,EAAT,IAAe9C,IAAI,CAAC+C,MAAxB,EAAgC;AAC9B;AACA,UAAI/C,IAAI,CAAC8C,MAAD,CAAJ,KAAiB,IAAjB,IAAyB9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,KAAqB,IAA9C,IAAsD9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,KAAqB,IAA/E,EAAqF;AACnF;AACA,YAAI9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAnB,IAA2B9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAlD,EAAwD;AACtD;AACA,cAAI9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAnB,IAA2B9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAA9C,IAAsD9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAzE,IAAiF9C,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAAxG,EAA8G;AAC5G,mBAAO,IAAP;AACD;AACF;AACF;AACF;;AAED,WAAO,KAAP;AACD;AAED;;;;;;;;MAMOwI,U,GAAP,oBAAmBtL,IAAnB,EAAyB8C,MAAzB,EAAiC;AAC/B,QAAMioB,KAAK,GAAGjoB,MAAd;AACA,QAAIC,MAAM,GAAG,CAAb;;AAEA,WAAOsI,GAAG,CAACrC,QAAJ,CAAahJ,IAAb,EAAmB8C,MAAnB,CAAP,EAAmC;AACjC;AACAC,YAAM,IAAI,EAAV;;AAEA,UAAMoL,IAAI,GAAG9C,GAAG,CAAC2f,SAAJ,CAAchrB,IAAd,EAAoB8C,MAAM,GAAG,CAA7B,CAAb;;AACAC,YAAM,IAAIoL,IAAV;;AAEA,UAAI9C,GAAG,CAACyf,QAAJ,CAAa9qB,IAAb,EAAmB8C,MAAM,GAAG,EAA5B,CAAJ,EAAqC;AACnC;AACAC,cAAM,IAAI,EAAV;AACD;;AAEDD,YAAM,IAAIC,MAAV;AACD;;AAED,QAAIA,MAAM,GAAG,CAAb,EAAgB;AACd,aAAO/C,IAAI,CAACiK,QAAL,CAAc8gB,KAAd,EAAqBA,KAAK,GAAGhoB,MAA7B,CAAP;AACD;;AAED,WAAOsC,SAAP;AACD,G;;MAEM2lB,S,GAAP,mBAAkBhrB,IAAlB,EAAwB8C,MAAxB,EAAgC;AAC9B,QAAIqL,IAAI,GAAG,CAAX;AACAA,QAAI,GAAI,CAACnO,IAAI,CAAC8C,MAAD,CAAJ,GAAe,IAAhB,KAAyB,EAAjC;AACAqL,QAAI,IAAK,CAACnO,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,EAAtC;AACAqL,QAAI,IAAK,CAACnO,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAApB,KAA6B,CAAtC;AACAqL,QAAI,IAAKnO,IAAI,CAAC8C,MAAM,GAAG,CAAV,CAAJ,GAAmB,IAA5B;AACA,WAAOqL,IAAP;AACD;AAED;;;;;;;MAKOtC,Y,GAAP,sBAAqB7L,IAArB,EAA2B;AACzB,QAAMirB,MAAM,GAAG5f,GAAG,CAAC6f,YAAJ,CAAiBlrB,IAAjB,CAAf;;AACA,SAAK,IAAI0B,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGupB,MAAM,CAACloB,MAA3B,EAAmCrB,CAAC,EAApC,EAAwC;AACtC,UAAMqK,KAAK,GAAGkf,MAAM,CAACvpB,CAAD,CAApB;;AACA,UAAI2J,GAAG,CAAC8f,gBAAJ,CAAqBpf,KAArB,CAAJ,EAAiC;AAC/B,eAAOV,GAAG,CAAC+f,cAAJ,CAAmBrf,KAAnB,CAAP;AACD;AACF;;AAED,WAAO1G,SAAP;AACD;AAED;;;;;;MAIO8lB,gB,GAAP,0BAAyBpf,KAAzB,EAAgC;AAC9B,WAAQA,KAAK,IAAIA,KAAK,CAAC9L,GAAN,KAAc,MAAvB,IAAiC8L,KAAK,CAACsf,IAAN,KAAe,8CAAxD;AACD,G;;MAEMC,a,GAAP,uBAAsBtrB,IAAtB,EAA4B;AAC1B;;;;;AAKA,QAAMmH,IAAI,GAAGokB,MAAM,CAACC,YAAP,CAAoBxrB,IAAI,CAAC,CAAD,CAAxB,EAA6BA,IAAI,CAAC,CAAD,CAAjC,EAAsCA,IAAI,CAAC,CAAD,CAA1C,EAA+CA,IAAI,CAAC,CAAD,CAAnD,CAAb;;AACA,QAAMmO,IAAI,GAAG9C,GAAG,CAAC2f,SAAJ,CAAchrB,IAAd,EAAoB,CAApB,CAAb,CAP0B,CAS1B;;;AACA,QAAI8C,MAAM,GAAG,EAAb;AAEA,WAAO;AAAEqE,UAAI,EAAJA,IAAF;AAAQgH,UAAI,EAAJA,IAAR;AAAcnO,UAAI,EAAEA,IAAI,CAACiK,QAAL,CAAcnH,MAAd,EAAsBA,MAAM,GAAGqL,IAA/B;AAApB,KAAP;AACD;AAED;;;;;;;MAKO+c,Y,GAAP,sBAAqB9f,OAArB,EAA8B;AAC5B,QAAItI,MAAM,GAAG,CAAb;AACA,QAAMmoB,MAAM,GAAG,EAAf;;AAEA,WAAO5f,GAAG,CAACrC,QAAJ,CAAaoC,OAAb,EAAsBtI,MAAtB,CAAP,EAAsC;AACpC,UAAMqL,IAAI,GAAG9C,GAAG,CAAC2f,SAAJ,CAAc5f,OAAd,EAAuBtI,MAAM,GAAG,CAAhC,CAAb,CADoC,CAEpC;;;AACAA,YAAM,IAAI,EAAV;AACA,UAAMglB,GAAG,GAAGhlB,MAAM,GAAGqL,IAArB,CAJoC,CAKpC;;AACA,aAAOrL,MAAM,GAAG,CAAT,GAAaglB,GAApB,EAAyB;AACvB,YAAM2D,SAAS,GAAGpgB,GAAG,CAACigB,aAAJ,CAAkBlgB,OAAO,CAACnB,QAAR,CAAiBnH,MAAjB,CAAlB,CAAlB;;AACA,YAAMiJ,KAAK,GAAGV,GAAG,CAACqgB,YAAJ,CAAiBD,SAAjB,CAAd;;AACA,YAAI1f,KAAJ,EAAW;AACTkf,gBAAM,CAAC7gB,IAAP,CAAY2B,KAAZ;AACD,SALsB,CAOvB;;;AACAjJ,cAAM,IAAI2oB,SAAS,CAACtd,IAAV,GAAiB,EAA3B;AACD;;AAED,UAAI9C,GAAG,CAACyf,QAAJ,CAAa1f,OAAb,EAAsBtI,MAAtB,CAAJ,EAAmC;AACjCA,cAAM,IAAI,EAAV;AACD;AACF;;AAED,WAAOmoB,MAAP;AACD,G;;MAEMS,Y,GAAP,sBAAqB3f,KAArB,EAA4B;AAC1B,QAAIA,KAAK,CAAC5E,IAAN,KAAe,MAAnB,EAA2B;AACzB,aAAOkE,GAAG,CAACsgB,gBAAJ,CAAqB5f,KAArB,CAAP;AACD,KAFD,MAEO,IAAIA,KAAK,CAAC5E,IAAN,CAAW,CAAX,MAAkB,GAAtB,EAA2B;AAChC,aAAOkE,GAAG,CAACugB,gBAAJ,CAAqB7f,KAArB,CAAP;AACD,KAFM,MAEA,IAAIA,KAAK,CAAC5E,IAAN,CAAW,CAAX,MAAkB,GAAtB,EAA2B;AAChC,aAAOkE,GAAG,CAACwgB,eAAJ,CAAoB9f,KAApB,CAAP;AACD;;AAED,WAAO1G,SAAP;AACD,G;;MAEM+lB,c,GAAP,wBAAuBU,cAAvB,EAAuC;AACrC,QAAIA,cAAc,CAAC9rB,IAAf,CAAoBS,UAApB,KAAmC,CAAvC,EAA0C;AACxC,UAAMT,IAAI,GAAG,IAAI0N,UAAJ,CAAeoe,cAAc,CAAC9rB,IAA9B,CAAb,CADwC,CAExC;AACA;;AACA,UAAM+rB,QAAQ,GAAG/rB,IAAI,CAAC,CAAD,CAAJ,GAAU,GAA3B;AACA,UAAI4L,SAAS,GAAG,CAAC5L,IAAI,CAAC,CAAD,CAAJ,IAAW,EAAZ,KACCA,IAAI,CAAC,CAAD,CAAJ,IAAW,EADZ,KAECA,IAAI,CAAC,CAAD,CAAJ,IAAW,CAFZ,IAGCA,IAAI,CAAC,CAAD,CAHrB;AAIA4L,eAAS,IAAI,EAAb;;AAEA,UAAImgB,QAAJ,EAAc;AACZngB,iBAAS,IAAI,WAAb;AACD,OAbuC,CAatC;;;AAEF,aAAOgC,IAAI,CAAC6J,KAAL,CAAW7L,SAAX,CAAP;AACD;;AAED,WAAOvG,SAAP;AACD,G;;MAEMsmB,gB,GAAP,0BAAyB5f,KAAzB,EAAgC;AAC9B;;;AAGA,QAAIA,KAAK,CAACoC,IAAN,GAAa,CAAjB,EAAoB;AAClB,aAAO9I,SAAP;AACD;;AAED,QAAM2mB,KAAK,GAAG3gB,GAAG,CAAC4gB,eAAJ,CAAoBlgB,KAAK,CAAC/L,IAA1B,EAAgC,IAAhC,CAAd;;AACA,QAAMksB,WAAW,GAAG,IAAIxe,UAAJ,CAAe3B,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoB+hB,KAAK,CAACjpB,MAAN,GAAe,CAAnC,CAAf,CAApB;AAEA,WAAO;AAAE9C,SAAG,EAAE8L,KAAK,CAAC5E,IAAb;AAAmBkkB,UAAI,EAAEW,KAAzB;AAAgChsB,UAAI,EAAEksB,WAAW,CAAC3rB;AAAlD,KAAP;AACD,G;;MAEMqrB,gB,GAAP,0BAAyB7f,KAAzB,EAAgC;AAC9B,QAAIA,KAAK,CAACoC,IAAN,GAAa,CAAjB,EAAoB;AAClB,aAAO9I,SAAP;AACD;;AAED,QAAI0G,KAAK,CAAC5E,IAAN,KAAe,MAAnB,EAA2B;AACzB;;;;;AAKA,UAAI+gB,KAAK,GAAG,CAAZ;;AACA,UAAMiE,WAAW,GAAG9gB,GAAG,CAAC4gB,eAAJ,CAAoBlgB,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoBie,KAApB,CAApB,EAAgD,IAAhD,CAApB;;AAEAA,WAAK,IAAIiE,WAAW,CAACppB,MAAZ,GAAqB,CAA9B;;AACA,UAAM0X,KAAK,GAAGpP,GAAG,CAAC4gB,eAAJ,CAAoBlgB,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoBie,KAApB,CAApB,CAAd;;AAEA,aAAO;AAAEjoB,WAAG,EAAE8L,KAAK,CAAC5E,IAAb;AAAmBkkB,YAAI,EAAEc,WAAzB;AAAsCnsB,YAAI,EAAEya;AAA5C,OAAP;AACD,KAbD,MAaO;AACL;;;;;AAKA,UAAM7H,IAAI,GAAGvH,GAAG,CAAC4gB,eAAJ,CAAoBlgB,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoB,CAApB,CAApB,CAAb;;AACA,aAAO;AAAEhK,WAAG,EAAE8L,KAAK,CAAC5E,IAAb;AAAmBnH,YAAI,EAAE4S;AAAzB,OAAP;AACD;AACF,G;;MAEMiZ,e,GAAP,yBAAwB9f,KAAxB,EAA+B;AAC7B,QAAIA,KAAK,CAAC5E,IAAN,KAAe,MAAnB,EAA2B;AACzB;;;;;AAKA,UAAI4E,KAAK,CAACoC,IAAN,GAAa,CAAjB,EAAoB;AAClB,eAAO9I,SAAP;AACD;;AAED,UAAI6iB,KAAK,GAAG,CAAZ;;AACA,UAAMiE,WAAW,GAAG9gB,GAAG,CAAC4gB,eAAJ,CAAoBlgB,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoBie,KAApB,CAApB,CAApB;;AAEAA,WAAK,IAAIiE,WAAW,CAACppB,MAAZ,GAAqB,CAA9B;;AACA,UAAM0X,KAAK,GAAGpP,GAAG,CAAC4gB,eAAJ,CAAoBlgB,KAAK,CAAC/L,IAAN,CAAWiK,QAAX,CAAoBie,KAApB,CAApB,CAAd;;AAEA,aAAO;AAAEjoB,WAAG,EAAE8L,KAAK,CAAC5E,IAAb;AAAmBkkB,YAAI,EAAEc,WAAzB;AAAsCnsB,YAAI,EAAEya;AAA5C,OAAP;AACD,KAjBD,MAiBO;AACL;;;;AAIA,UAAM2R,GAAG,GAAG/gB,GAAG,CAAC4gB,eAAJ,CAAoBlgB,KAAK,CAAC/L,IAA1B,CAAZ;;AACA,aAAO;AAAEC,WAAG,EAAE8L,KAAK,CAAC5E,IAAb;AAAmBnH,YAAI,EAAEosB;AAAzB,OAAP;AACD;AACF,G,CAED;AACA;;AACA;;;;;;;;;MAOOH,e,GAAP,yBAAwBzR,KAAxB,EAA+B6R,UAA/B,EAAmD;AAAA,QAApBA,UAAoB;AAApBA,gBAAoB,GAAP,KAAO;AAAA;;AACjD,QAAMC,OAAO,GAAGC,cAAc,EAA9B;;AACA,QAAID,OAAJ,EAAa;AACX,UAAME,OAAO,GAAGF,OAAO,CAACG,MAAR,CAAejS,KAAf,CAAhB;;AAEA,UAAI6R,UAAJ,EAAgB;AACd;AACA,YAAMK,GAAG,GAAGF,OAAO,CAAC/jB,OAAR,CAAgB,IAAhB,CAAZ;AACA,eAAOikB,GAAG,KAAK,CAAC,CAAT,GAAaF,OAAO,CAACG,SAAR,CAAkB,CAAlB,EAAqBD,GAArB,CAAb,GAAyCF,OAAhD;AACD,OAPU,CASX;;;AACA,aAAOA,OAAO,CAACI,OAAR,CAAgB,KAAhB,EAAuB,EAAvB,CAAP;AACD;;AAED,QAAM3hB,GAAG,GAAGuP,KAAK,CAACzX,MAAlB;AACA,QAAI8pB,CAAJ;AACA,QAAIC,KAAJ;AACA,QAAIC,KAAJ;AACA,QAAIC,GAAG,GAAG,EAAV;AACA,QAAItrB,CAAC,GAAG,CAAR;;AACA,WAAOA,CAAC,GAAGuJ,GAAX,EAAgB;AACd4hB,OAAC,GAAGrS,KAAK,CAAC9Y,CAAC,EAAF,CAAT;;AACA,UAAImrB,CAAC,KAAK,IAAN,IAAcR,UAAlB,EAA8B;AAC5B,eAAOW,GAAP;AACD,OAFD,MAEO,IAAIH,CAAC,KAAK,IAAN,IAAcA,CAAC,KAAK,IAAxB,EAA8B;AACnC;AACA;AACD;;AACD,cAAQA,CAAC,IAAI,CAAb;AACA,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AAAQ,aAAK,CAAL;AACtD;AACAG,aAAG,IAAIzB,MAAM,CAACC,YAAP,CAAoBqB,CAApB,CAAP;AACA;;AACF,aAAK,EAAL;AAAS,aAAK,EAAL;AACP;AACAC,eAAK,GAAGtS,KAAK,CAAC9Y,CAAC,EAAF,CAAb;AACAsrB,aAAG,IAAIzB,MAAM,CAACC,YAAP,CAAqB,CAACqB,CAAC,GAAG,IAAL,KAAc,CAAf,GAAqBC,KAAK,GAAG,IAAjD,CAAP;AACA;;AACF,aAAK,EAAL;AACE;AACAA,eAAK,GAAGtS,KAAK,CAAC9Y,CAAC,EAAF,CAAb;AACAqrB,eAAK,GAAGvS,KAAK,CAAC9Y,CAAC,EAAF,CAAb;AACAsrB,aAAG,IAAIzB,MAAM,CAACC,YAAP,CAAqB,CAACqB,CAAC,GAAG,IAAL,KAAc,EAAf,GACd,CAACC,KAAK,GAAG,IAAT,KAAkB,CADJ,GAEd,CAACC,KAAK,GAAG,IAAT,KAAkB,CAFxB,CAAP;AAGA;;AACF;AAlBA;AAoBD;;AACD,WAAOC,GAAP;AACD,G;;;;;AAGH,IAAIV,OAAJ;;AAEA,SAASC,cAAT,GAA2B;AACzB,MAAMjnB,MAAM,GAAGC,0EAAY,EAA3B,CADyB,CACM;;AAC/B,MAAI,CAAC+mB,OAAD,IAAY,OAAOhnB,MAAM,CAAC2nB,WAAd,KAA8B,WAA9C,EAA2D;AACzDX,WAAO,GAAG,IAAIhnB,MAAM,CAAC2nB,WAAX,CAAuB,OAAvB,CAAV;AACD;;AAED,SAAOX,OAAP;AACD;;AAED,IAAMvS,cAAc,GAAG1O,GAAG,CAAC4gB,eAA3B;AAEe5gB,kEAAf;;;;;;;;;;;;;AC5WA;AAAA;AAAA;AAAA;;;AAGA;AACA;AAEA,IAAMuQ,UAAU,GAAGhO,IAAI,CAACiO,GAAL,CAAS,CAAT,EAAY,EAAZ,IAAkB,CAArC;;IAEM8N,U;;;AACJ,sBAAalkB,QAAb,EAAuB8E,OAAvB,EAAgC;AAC9B,SAAK9E,QAAL,GAAgBA,QAAhB;AACA,SAAK8E,OAAL,GAAeA,OAAf;AACD;;;;SAEDY,c,GAAA,wBAAgBsY,OAAhB,EAAyB;AACvB,SAAKA,OAAL,GAAeA,OAAf;AACD,G;;SAEDjZ,gB,GAAA,0BAAkBC,WAAlB,EAA+B7C,UAA/B,EAA2C8C,UAA3C,EAAuDC,QAAvD,EAAiE;AAC/D;AACA,QAAIF,WAAW,IAAIA,WAAW,CAAChK,UAA/B,EAA2C;AACzC,UAAMysB,QAAQ,GAAG,KAAKA,QAAL,GAAgBvD,UAAU,CAACwD,gBAAX,CAA4B1iB,WAA5B,CAAjC,CADyC,CAGzC;AACA;;AACA,UAAI7C,UAAU,IAAI,IAAlB,EAAwB;AACtBA,kBAAU,GAAG,WAAb;AACD;;AAED,UAAI8C,UAAU,IAAI,IAAlB,EAAwB;AACtBA,kBAAU,GAAG,aAAb;AACD;;AAED,UAAMqV,MAAM,GAAG,EAAf;;AACA,UAAImN,QAAQ,CAACxa,KAAT,IAAkBwa,QAAQ,CAACza,KAA/B,EAAsC;AACpCsN,cAAM,CAACqN,UAAP,GAAoB;AAAEviB,mBAAS,EAAE,WAAb;AAA0BjC,eAAK,EAAEhB,UAAU,GAAG,GAAb,GAAmB8C,UAApD;AAAgED,qBAAW,EAAEE,QAAQ,GAAGF,WAAH,GAAiB;AAAtG,SAApB;AACD,OAFD,MAEO;AACL,YAAIyiB,QAAQ,CAACxa,KAAb,EAAoB;AAClBqN,gBAAM,CAACrN,KAAP,GAAe;AAAE7H,qBAAS,EAAE,WAAb;AAA0BjC,iBAAK,EAAEhB,UAAjC;AAA6C6C,uBAAW,EAAEE,QAAQ,GAAGF,WAAH,GAAiB;AAAnF,WAAf;AACD;;AAED,YAAIyiB,QAAQ,CAACza,KAAb,EAAoB;AAClBsN,gBAAM,CAACtN,KAAP,GAAe;AAAE5H,qBAAS,EAAE,WAAb;AAA0BjC,iBAAK,EAAE8B,UAAjC;AAA6CD,uBAAW,EAAEE,QAAQ,GAAGF,WAAH,GAAiB;AAAnF,WAAf;AACD;AACF;;AACD,WAAKhF,QAAL,CAAcuB,OAAd,CAAsBC,+CAAK,CAAC+c,yBAA5B,EAAuD;AAAEjE,cAAM,EAANA;AAAF,OAAvD;AACD,KA1BD,MA0BO;AACL,UAAInY,UAAJ,EAAgB;AACd,aAAKA,UAAL,GAAkBA,UAAlB;AACD;;AAED,UAAI8C,UAAJ,EAAgB;AACd,aAAKA,UAAL,GAAkBA,UAAlB;AACD;AACF;AACF,G;;aAEMzB,K,GAAP,eAAcjJ,IAAd,EAAoB;AAClB;AACA,WAAO2pB,UAAU,CAAC0D,OAAX,CAAmB;AAAErtB,UAAI,EAAEA,IAAR;AAAckU,WAAK,EAAE,CAArB;AAAwB4T,SAAG,EAAEla,IAAI,CAACC,GAAL,CAAS7N,IAAI,CAAC+C,MAAd,EAAsB,KAAtB;AAA7B,KAAnB,EAAgF,CAAC,MAAD,CAAhF,EAA0FA,MAA1F,GAAmG,CAA1G;AACD,G;;aAEMuqB,O,GAAP,iBAAgB/sB,MAAhB,EAAwB;AACtB,WAAOgrB,MAAM,CAACC,YAAP,CAAoBvL,KAApB,CAA0B,IAA1B,EAAgC1f,MAAhC,CAAP;AACD,G;;aAEMgtB,U,GAAP,oBAAmBhtB,MAAnB,EAA2BuC,MAA3B,EAAmC;AACjC,QAAIvC,MAAM,CAACP,IAAX,EAAiB;AACf8C,YAAM,IAAIvC,MAAM,CAAC2T,KAAjB;AACA3T,YAAM,GAAGA,MAAM,CAACP,IAAhB;AACD;;AAED,QAAMwtB,GAAG,GAAGjtB,MAAM,CAACuC,MAAD,CAAN,IAAkB,CAAlB,GACAvC,MAAM,CAACuC,MAAM,GAAG,CAAV,CADlB;AAGA,WAAO0qB,GAAG,GAAG,CAAN,GAAU,QAAQA,GAAlB,GAAwBA,GAA/B;AACD,G;;aAEMC,U,GAAP,oBAAmBltB,MAAnB,EAA2BuC,MAA3B,EAAmC;AACjC,QAAIvC,MAAM,CAACP,IAAX,EAAiB;AACf8C,YAAM,IAAIvC,MAAM,CAAC2T,KAAjB;AACA3T,YAAM,GAAGA,MAAM,CAACP,IAAhB;AACD;;AAED,QAAMwtB,GAAG,GAAGjtB,MAAM,CAACuC,MAAD,CAAN,IAAkB,EAAlB,GACAvC,MAAM,CAACuC,MAAM,GAAG,CAAV,CAAN,IAAsB,EADtB,GAEAvC,MAAM,CAACuC,MAAM,GAAG,CAAV,CAAN,IAAsB,CAFtB,GAGAvC,MAAM,CAACuC,MAAM,GAAG,CAAV,CAHlB;AAIA,WAAO0qB,GAAG,GAAG,CAAN,GAAU,aAAaA,GAAvB,GAA6BA,GAApC;AACD,G;;aAEME,W,GAAP,qBAAoBntB,MAApB,EAA4BuC,MAA5B,EAAoC2X,KAApC,EAA2C;AACzC,QAAIla,MAAM,CAACP,IAAX,EAAiB;AACf8C,YAAM,IAAIvC,MAAM,CAAC2T,KAAjB;AACA3T,YAAM,GAAGA,MAAM,CAACP,IAAhB;AACD;;AACDO,UAAM,CAACuC,MAAD,CAAN,GAAiB2X,KAAK,IAAI,EAA1B;AACAla,UAAM,CAACuC,MAAM,GAAG,CAAV,CAAN,GAAsB2X,KAAK,IAAI,EAAV,GAAgB,IAArC;AACAla,UAAM,CAACuC,MAAM,GAAG,CAAV,CAAN,GAAsB2X,KAAK,IAAI,CAAV,GAAe,IAApC;AACAla,UAAM,CAACuC,MAAM,GAAG,CAAV,CAAN,GAAqB2X,KAAK,GAAG,IAA7B;AACD,G,CAED;;;aACO4S,O,GAAP,iBAAgBrtB,IAAhB,EAAsB2tB,IAAtB,EAA4B;AAC1B,QAAIC,OAAO,GAAG,EAAd;AAAA,QACElsB,CADF;AAAA,QACKyM,IADL;AAAA,QACWhH,IADX;AAAA,QACiB2gB,GADjB;AAAA,QACsB+F,UADtB;AAAA,QACkC3Z,KADlC;AAAA,QACyC4Z,MADzC;;AAGA,QAAI9tB,IAAI,CAACA,IAAT,EAAe;AACbkU,WAAK,GAAGlU,IAAI,CAACkU,KAAb;AACA4T,SAAG,GAAG9nB,IAAI,CAAC8nB,GAAX;AACA9nB,UAAI,GAAGA,IAAI,CAACA,IAAZ;AACD,KAJD,MAIO;AACLkU,WAAK,GAAG,CAAR;AACA4T,SAAG,GAAG9nB,IAAI,CAACS,UAAX;AACD;;AAED,QAAI,CAACktB,IAAI,CAAC5qB,MAAV,EAAkB;AAChB;AACA,aAAO,IAAP;AACD;;AAED,SAAKrB,CAAC,GAAGwS,KAAT,EAAgBxS,CAAC,GAAGomB,GAApB,GAA0B;AACxB3Z,UAAI,GAAGwb,UAAU,CAAC8D,UAAX,CAAsBztB,IAAtB,EAA4B0B,CAA5B,CAAP;AACAyF,UAAI,GAAGwiB,UAAU,CAAC2D,OAAX,CAAmBttB,IAAI,CAACiK,QAAL,CAAcvI,CAAC,GAAG,CAAlB,EAAqBA,CAAC,GAAG,CAAzB,CAAnB,CAAP;AACAosB,YAAM,GAAG3f,IAAI,GAAG,CAAP,GAAWzM,CAAC,GAAGyM,IAAf,GAAsB2Z,GAA/B;;AAEA,UAAI3gB,IAAI,KAAKwmB,IAAI,CAAC,CAAD,CAAjB,EAAsB;AACpB,YAAIA,IAAI,CAAC5qB,MAAL,KAAgB,CAApB,EAAuB;AACrB;AACA;AACA6qB,iBAAO,CAACxjB,IAAR,CAAa;AAAEpK,gBAAI,EAAEA,IAAR;AAAckU,iBAAK,EAAExS,CAAC,GAAG,CAAzB;AAA4BomB,eAAG,EAAEgG;AAAjC,WAAb;AACD,SAJD,MAIO;AACL;AACAD,oBAAU,GAAGlE,UAAU,CAAC0D,OAAX,CAAmB;AAAErtB,gBAAI,EAAEA,IAAR;AAAckU,iBAAK,EAAExS,CAAC,GAAG,CAAzB;AAA4BomB,eAAG,EAAEgG;AAAjC,WAAnB,EAA8DH,IAAI,CAAC9sB,KAAL,CAAW,CAAX,CAA9D,CAAb;;AACA,cAAIgtB,UAAU,CAAC9qB,MAAf,EAAuB;AACrB6qB,mBAAO,GAAGA,OAAO,CAAC1N,MAAR,CAAe2N,UAAf,CAAV;AACD;AACF;AACF;;AACDnsB,OAAC,GAAGosB,MAAJ;AACD,KArCyB,CAuC1B;;;AACA,WAAOF,OAAP;AACD,G;;aAEMG,iB,GAAP,2BAA0BtjB,WAA1B,EAAuC;AACrC,QAAMsS,IAAI,GAAG4M,UAAU,CAAC0D,OAAX,CAAmB5iB,WAAnB,EAAgC,CAAC,MAAD,CAAhC,EAA0C,CAA1C,CAAb;AACA,QAAMujB,aAAa,GAAGjR,IAAI,GAAGA,IAAI,CAAC+K,GAAR,GAAc,IAAxC,CAFqC,CAES;;AAE9C,QAAII,KAAK,GAAG,CAAZ;AACA,QAAI+F,IAAI,GAAGtE,UAAU,CAAC0D,OAAX,CAAmB5iB,WAAnB,EAAgC,CAAC,MAAD,CAAhC,CAAX;AACA,QAAIyjB,UAAJ;;AAEA,QAAI,CAACD,IAAD,IAAS,CAACA,IAAI,CAAC,CAAD,CAAlB,EAAuB;AACrB,aAAO,IAAP;AACD;;AAEDC,cAAU,GAAG,EAAb;AACAD,QAAI,GAAGA,IAAI,CAAC,CAAD,CAAX;AAEA,QAAME,OAAO,GAAGF,IAAI,CAACjuB,IAAL,CAAU,CAAV,CAAhB,CAfqC,CAiBrC;;AACAkoB,SAAK,GAAGiG,OAAO,KAAK,CAAZ,GAAgB,CAAhB,GAAoB,EAA5B;AAEA,QAAMzO,SAAS,GAAGiK,UAAU,CAAC8D,UAAX,CAAsBQ,IAAtB,EAA4B/F,KAA5B,CAAlB;AACAA,SAAK,IAAI,CAAT,CArBqC,CAuBrC;AACA;;AACA,QAAIkG,wBAAwB,GAAG,CAA/B;AACA,QAAIC,WAAW,GAAG,CAAlB;;AAEA,QAAIF,OAAO,KAAK,CAAhB,EAAmB;AACjBjG,WAAK,IAAI,CAAT;AACD,KAFD,MAEO;AACLA,WAAK,IAAI,EAAT;AACD,KAhCoC,CAkCrC;;;AACAA,SAAK,IAAI,CAAT;AAEA,QAAIoG,SAAS,GAAGL,IAAI,CAACnG,GAAL,GAAWuG,WAA3B;AAEA,QAAME,eAAe,GAAG5E,UAAU,CAAC4D,UAAX,CAAsBU,IAAtB,EAA4B/F,KAA5B,CAAxB;AACAA,SAAK,IAAI,CAAT;;AAEA,SAAK,IAAIxmB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG6sB,eAApB,EAAqC7sB,CAAC,EAAtC,EAA0C;AACxC,UAAI8sB,cAAc,GAAGtG,KAArB;AAEA,UAAMuG,aAAa,GAAG9E,UAAU,CAAC8D,UAAX,CAAsBQ,IAAtB,EAA4BO,cAA5B,CAAtB;AACAA,oBAAc,IAAI,CAAlB;AAEA,UAAME,aAAa,GAAGD,aAAa,GAAG,UAAtC;AACA,UAAME,aAAa,GAAG,CAACF,aAAa,GAAG,UAAjB,MAAiC,EAAvD;;AAEA,UAAIE,aAAa,KAAK,CAAtB,EAAyB;AACvBC,eAAO,CAACxb,IAAR,CAAa,kDAAb;AACA;AACD;;AAED,UAAMyb,kBAAkB,GAAGlF,UAAU,CAAC8D,UAAX,CAAsBQ,IAAtB,EAA4BO,cAA5B,CAA3B;AACAA,oBAAc,IAAI,CAAlB;AAEAN,gBAAU,CAAC9jB,IAAX,CAAgB;AACdskB,qBAAa,EAAbA,aADc;AAEdG,0BAAkB,EAAlBA,kBAFc;AAEM;AACpBxD,YAAI,EAAE;AACJ1gB,kBAAQ,EAAEkkB,kBAAkB,GAAGnP,SAD3B;AAEJxL,eAAK,EAAEoa,SAFH;AAGJxG,aAAG,EAAEwG,SAAS,GAAGI,aAAZ,GAA4B;AAH7B;AAHQ,OAAhB;AAUAJ,eAAS,IAAII,aAAb,CA3BwC,CA6BxC;AACA;;AACAF,oBAAc,IAAI,CAAlB,CA/BwC,CAiCxC;;AACAtG,WAAK,GAAGsG,cAAR;AACD;;AAED,WAAO;AACLJ,8BAAwB,EAAxBA,wBADK;AAEL1O,eAAS,EAATA,SAFK;AAGLyO,aAAO,EAAPA,OAHK;AAILI,qBAAe,EAAfA,eAJK;AAKLL,gBAAU,EAAVA,UALK;AAMLF,mBAAa,EAAbA;AANK,KAAP;AAQD;AAED;;;;;;;;;;;;;;;;;;;;;aAmBOb,gB,GAAP,0BAAyB1iB,WAAzB,EAAsC;AACpC,QAAI5D,MAAM,GAAG,EAAb;AACA,QAAIioB,KAAK,GAAGnF,UAAU,CAAC0D,OAAX,CAAmB5iB,WAAnB,EAAgC,CAAC,MAAD,EAAS,MAAT,CAAhC,CAAZ;AAEAqkB,SAAK,CAACtW,OAAN,CAAc,UAAAsF,IAAI,EAAI;AACpB,UAAMG,IAAI,GAAG0L,UAAU,CAAC0D,OAAX,CAAmBvP,IAAnB,EAAyB,CAAC,MAAD,CAAzB,EAAmC,CAAnC,CAAb;;AACA,UAAIG,IAAJ,EAAU;AACR,YAAIkQ,OAAO,GAAGlQ,IAAI,CAACje,IAAL,CAAUie,IAAI,CAAC/J,KAAf,CAAd;AACA,YAAIgU,KAAK,GAAGiG,OAAO,KAAK,CAAZ,GAAgB,EAAhB,GAAqB,EAAjC;AACA,YAAIY,OAAO,GAAGpF,UAAU,CAAC8D,UAAX,CAAsBxP,IAAtB,EAA4BiK,KAA5B,CAAd;AAEA,YAAMxL,IAAI,GAAGiN,UAAU,CAAC0D,OAAX,CAAmBvP,IAAnB,EAAyB,CAAC,MAAD,EAAS,MAAT,CAAzB,EAA2C,CAA3C,CAAb;;AACA,YAAIpB,IAAJ,EAAU;AACRyR,iBAAO,GAAGzR,IAAI,CAAC1c,IAAL,CAAU0c,IAAI,CAACxI,KAAf,CAAV;AACAgU,eAAK,GAAGiG,OAAO,KAAK,CAAZ,GAAgB,EAAhB,GAAqB,EAA7B;AACA,cAAMzO,SAAS,GAAGiK,UAAU,CAAC8D,UAAX,CAAsB/Q,IAAtB,EAA4BwL,KAA5B,CAAlB;AAEA,cAAM1L,IAAI,GAAGmN,UAAU,CAAC0D,OAAX,CAAmBvP,IAAnB,EAAyB,CAAC,MAAD,EAAS,MAAT,CAAzB,EAA2C,CAA3C,CAAb;;AACA,cAAItB,IAAJ,EAAU;AACR,gBAAMwS,QAAQ,GAAGrF,UAAU,CAAC2D,OAAX,CAAmB9Q,IAAI,CAACxc,IAAL,CAAUiK,QAAV,CAAmBuS,IAAI,CAACtI,KAAL,GAAa,CAAhC,EAAmCsI,IAAI,CAACtI,KAAL,GAAa,EAAhD,CAAnB,CAAjB;AACA,gBAAI/M,IAAI,GAAG;AAAE,sBAAQ,OAAV;AAAmB,sBAAQ;AAA3B,cAAqC6nB,QAArC,CAAX;;AACA,gBAAI7nB,IAAJ,EAAU;AACR;AACA,kBAAI8nB,QAAQ,GAAGtF,UAAU,CAAC0D,OAAX,CAAmBvP,IAAnB,EAAyB,CAAC,MAAD,EAAS,MAAT,EAAiB,MAAjB,EAAyB,MAAzB,CAAzB,CAAf;;AACA,kBAAImR,QAAQ,CAAClsB,MAAb,EAAqB;AACnBksB,wBAAQ,GAAGA,QAAQ,CAAC,CAAD,CAAnB;AACA,oBAAIC,SAAS,GAAGvF,UAAU,CAAC2D,OAAX,CAAmB2B,QAAQ,CAACjvB,IAAT,CAAciK,QAAd,CAAuBglB,QAAQ,CAAC/a,KAAT,GAAiB,EAAxC,EAA4C+a,QAAQ,CAAC/a,KAAT,GAAiB,EAA7D,CAAnB,CAAhB;AACA9N,oEAAM,CAACC,GAAP,iBAAyBc,IAAzB,SAAiC+nB,SAAjC;AACD;;AACDroB,oBAAM,CAACkoB,OAAD,CAAN,GAAkB;AAAErP,yBAAS,EAAEA,SAAb;AAAwBvY,oBAAI,EAAEA;AAA9B,eAAlB;AACAN,oBAAM,CAACM,IAAD,CAAN,GAAe;AAAEuY,yBAAS,EAAEA,SAAb;AAAwB5U,kBAAE,EAAEikB;AAA5B,eAAf;AACD;AACF;AACF;AACF;AACF,KA/BD;AAgCA,WAAOloB,MAAP;AACD;AAED;;;;;;;;;;;;;;;;;;aAgBOsoB,W,GAAP,qBAAoBjC,QAApB,EAA8BkC,QAA9B,EAAwC;AACtC,QAAIC,KAAJ,EAAWC,SAAX,EAAsBzoB,MAAtB,CADsC,CAGtC;;AACAwoB,SAAK,GAAG1F,UAAU,CAAC0D,OAAX,CAAmB+B,QAAnB,EAA6B,CAAC,MAAD,EAAS,MAAT,CAA7B,CAAR,CAJsC,CAMtC;;AACAE,aAAS,GAAG,GAAGpP,MAAH,CAAUD,KAAV,CAAgB,EAAhB,EAAoBoP,KAAK,CAACE,GAAN,CAAU,UAAU1R,IAAV,EAAgB;AACxD,aAAO8L,UAAU,CAAC0D,OAAX,CAAmBxP,IAAnB,EAAyB,CAAC,MAAD,CAAzB,EAAmC0R,GAAnC,CAAuC,UAAU3R,IAAV,EAAgB;AAC5D,YAAI9S,EAAJ,EAAQ0kB,KAAR,EAAeC,QAAf,CAD4D,CAG5D;;AACA3kB,UAAE,GAAG6e,UAAU,CAAC8D,UAAX,CAAsB7P,IAAtB,EAA4B,CAA5B,CAAL,CAJ4D,CAK5D;;AACA4R,aAAK,GAAGtC,QAAQ,CAACpiB,EAAD,CAAR,CAAa4U,SAAb,IAA0B,IAAlC,CAN4D,CAQ5D;;AACA+P,gBAAQ,GAAG9F,UAAU,CAAC0D,OAAX,CAAmBxP,IAAnB,EAAyB,CAAC,MAAD,CAAzB,EAAmC0R,GAAnC,CAAuC,UAAU5R,IAAV,EAAgB;AAChE,cAAIwQ,OAAJ,EAAatnB,MAAb;AAEAsnB,iBAAO,GAAGxQ,IAAI,CAAC3d,IAAL,CAAU2d,IAAI,CAACzJ,KAAf,CAAV;AACArN,gBAAM,GAAG8iB,UAAU,CAAC8D,UAAX,CAAsB9P,IAAtB,EAA4B,CAA5B,CAAT;;AACA,cAAIwQ,OAAO,KAAK,CAAhB,EAAmB;AACjBtnB,kBAAM,IAAI+G,IAAI,CAACiO,GAAL,CAAS,CAAT,EAAY,EAAZ,CAAV;AAEAhV,kBAAM,IAAI8iB,UAAU,CAAC8D,UAAX,CAAsB9P,IAAtB,EAA4B,CAA5B,CAAV;AACD;;AACD,iBAAO9W,MAAP;AACD,SAXU,EAWR,CAXQ,CAAX,CAT4D,CAqB5D;;AACA,eAAO4oB,QAAQ,GAAGD,KAAlB;AACD,OAvBM,CAAP;AAwBD,KAzB+B,CAApB,CAAZ,CAPsC,CAkCtC;;AACA3oB,UAAM,GAAG+G,IAAI,CAACC,GAAL,CAASoS,KAAT,CAAe,IAAf,EAAqBqP,SAArB,CAAT;AACA,WAAOI,QAAQ,CAAC7oB,MAAD,CAAR,GAAmBA,MAAnB,GAA4B,CAAnC;AACD,G;;aAEM8oB,c,GAAP,wBAAuBzC,QAAvB,EAAiCkC,QAAjC,EAA2C3jB,UAA3C,EAAuD;AACrDke,cAAU,CAAC0D,OAAX,CAAmB+B,QAAnB,EAA6B,CAAC,MAAD,EAAS,MAAT,CAA7B,EAA+CG,GAA/C,CAAmD,UAAU1R,IAAV,EAAgB;AACjE,aAAO8L,UAAU,CAAC0D,OAAX,CAAmBxP,IAAnB,EAAyB,CAAC,MAAD,CAAzB,EAAmC0R,GAAnC,CAAuC,UAAU3R,IAAV,EAAgB;AAC9D;AACE,YAAI9S,EAAE,GAAG6e,UAAU,CAAC8D,UAAX,CAAsB7P,IAAtB,EAA4B,CAA5B,CAAT,CAF4D,CAG5D;;AACA,YAAI8B,SAAS,GAAGwN,QAAQ,CAACpiB,EAAD,CAAR,CAAa4U,SAAb,IAA0B,IAA1C,CAJ4D,CAM5D;;AACAiK,kBAAU,CAAC0D,OAAX,CAAmBxP,IAAnB,EAAyB,CAAC,MAAD,CAAzB,EAAmC0R,GAAnC,CAAuC,UAAU5R,IAAV,EAAgB;AACrD,cAAIwQ,OAAO,GAAGxQ,IAAI,CAAC3d,IAAL,CAAU2d,IAAI,CAACzJ,KAAf,CAAd;AACA,cAAI4L,mBAAmB,GAAG6J,UAAU,CAAC8D,UAAX,CAAsB9P,IAAtB,EAA4B,CAA5B,CAA1B;;AACA,cAAIwQ,OAAO,KAAK,CAAhB,EAAmB;AACjBxE,sBAAU,CAAC+D,WAAX,CAAuB/P,IAAvB,EAA6B,CAA7B,EAAgCmC,mBAAmB,GAAGrU,UAAU,GAAGiU,SAAnE;AACD,WAFD,MAEO;AACLI,+BAAmB,IAAIlS,IAAI,CAACiO,GAAL,CAAS,CAAT,EAAY,EAAZ,CAAvB;AACAiE,+BAAmB,IAAI6J,UAAU,CAAC8D,UAAX,CAAsB9P,IAAtB,EAA4B,CAA5B,CAAvB;AACAmC,+BAAmB,IAAIrU,UAAU,GAAGiU,SAApC;AACAI,+BAAmB,GAAGlS,IAAI,CAAC+U,GAAL,CAAS7C,mBAAT,EAA8B,CAA9B,CAAtB;AACA,gBAAM8P,KAAK,GAAGhiB,IAAI,CAACkE,KAAL,CAAWgO,mBAAmB,IAAIlE,UAAU,GAAG,CAAjB,CAA9B,CAAd;AACA,gBAAMiU,KAAK,GAAGjiB,IAAI,CAACkE,KAAL,CAAWgO,mBAAmB,IAAIlE,UAAU,GAAG,CAAjB,CAA9B,CAAd;AACA+N,sBAAU,CAAC+D,WAAX,CAAuB/P,IAAvB,EAA6B,CAA7B,EAAgCiS,KAAhC;AACAjG,sBAAU,CAAC+D,WAAX,CAAuB/P,IAAvB,EAA6B,CAA7B,EAAgCkS,KAAhC;AACD;AACF,SAfD;AAgBD,OAvBM,CAAP;AAwBD,KAzBD;AA0BD,G,CAED;;;SACArkB,M,GAAA,gBAAQxL,IAAR,EAAcyL,UAAd,EAA0BC,UAA1B,EAAsCC,kBAAtC,EAA0D;AACxD,QAAIuhB,QAAQ,GAAG,KAAKA,QAApB;;AACA,QAAI,CAACA,QAAL,EAAe;AACb,WAAK1iB,gBAAL,CAAsBxK,IAAtB,EAA4B,KAAK4H,UAAjC,EAA6C,KAAK8C,UAAlD,EAA8D,KAA9D;AACAwiB,cAAQ,GAAG,KAAKA,QAAhB;AACD;;AACD,QAAIzG,QAAJ;AAAA,QAAchD,OAAO,GAAG,KAAKA,OAA7B;;AACA,QAAIA,OAAO,KAAKpe,SAAhB,EAA2B;AACzB,UAAIohB,SAAQ,GAAGkD,UAAU,CAACwF,WAAX,CAAuBjC,QAAvB,EAAiCltB,IAAjC,CAAf;;AACA,WAAKyjB,OAAL,GAAeA,OAAO,GAAGgD,SAAQ,GAAGhb,UAApC;AACA,WAAKhG,QAAL,CAAcuB,OAAd,CAAsBC,+CAAK,CAAC4c,cAA5B,EAA4C;AAAEJ,eAAO,EAAEA;AAAX,OAA5C;AACD;;AACDkG,cAAU,CAACgG,cAAX,CAA0BzC,QAA1B,EAAoCltB,IAApC,EAA0CyjB,OAA1C;AACAgD,YAAQ,GAAGkD,UAAU,CAACwF,WAAX,CAAuBjC,QAAvB,EAAiCltB,IAAjC,CAAX;AACA,SAAKuK,OAAL,CAAayB,KAAb,CAAmBkhB,QAAQ,CAACxa,KAA5B,EAAmCwa,QAAQ,CAACza,KAA5C,EAAmD,IAAnD,EAAyD,IAAzD,EAA+DgU,QAA/D,EAAyE/a,UAAzE,EAAqFC,kBAArF,EAAyG3L,IAAzG;AACD,G;;SAEDoF,O,GAAA,mBAAW,CAAE,C;;;;;AAGAukB,yEAAf,E;;;;;;;;;;;;AC9YA;AACA;AACAmG,MAAM,CAACC,OAAP,GAAiB,KAAK,CAAtB,C;;;;;;;;;;;;ACFA;AAAA;AAAA;AAAO,IAAK3oB,UAAZ;AAaA;;;;;WAbYA,U;AAAAA,Y;AAAAA,Y;AAAAA,Y;AAAAA,Y;AAAAA,Y;GAAAA,U,KAAAA,U;;AAiBL,IAAKG,YAAZ;;WAAYA,Y;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;AAAAA,c;GAAAA,Y,KAAAA,Y;;;;;;;;;;;;;;;ACjBZ;;;;AAIA,IAAMyoB,SAAS;AACb;AACAC,iBAAe,EAAE,mBAFJ;AAGb;AACAC,gBAAc,EAAE,kBAJH;AAKb;AACAC,iBAAe,EAAE,mBANJ;AAOb;AACAC,gBAAc,EAAE,kBARH;AASb;AACAC,cAAY,EAAE,gBAVD;AAWb;AACAC,eAAa,EAAE,iBAZF;AAab;AACAC,gBAAc,EAAE,kBAdH;AAeb;AACAC,kBAAgB,EAAE,oBAhBL;AAiBb;AACAC,iBAAe,EAAE,mBAlBJ;AAmBb;AACAC,YAAU,EAAE,cApBC;AAqBb;AACAC,iBAAe,EAAE,mBAtBJ;AAuBb;AACAC,gBAAc,EAAE,kBAxBH;AAyBb;AACAC,kBAAgB,EAAE,oBA1BL;AA2Bb;AACAC,iBAAe,EAAE,mBA5BJ;AA6Bb;AACAC,iBAAe,EAAE,mBA9BJ;AA+Bb;AACAC,iBAAe,EAAE,mBAhCJ;AAiCb;AACAC,gBAAc,EAAE,kBAlCH;AAmCb;AACAC,eAAa,EAAE,iBApCF;AAqCb;AACAC,cAAY,EAAE,gBAtCD;AAuCb;AACAC,eAAa,EAAE,iBAxCF;AAyCb;AACAC,mBAAiB,EAAE,oBA1CN;AA2Cb;AACAC,0BAAwB,EAAE,0BA5Cb;AA6Cb;AACAC,sBAAoB,EAAE,uBA9CT;AA+Cb;AACAC,uBAAqB,EAAE,wBAhDV;AAiDb;AACAC,sBAAoB,EAAE,uBAlDT;AAmDb;AACAC,qBAAmB,EAAE,sBApDR;AAqDb;AACAC,oBAAkB,EAAE,qBAtDP;AAuDb;AACAC,yBAAuB,EAAE,0BAxDZ;AAyDb;AACAC,uBAAqB,EAAE,wBA1DV;AA2Db;AACAC,wBAAsB,EAAE,yBA5DX;AA6Db;AACAC,uBAAqB,EAAE,wBA9DV;AA+Db;AACAC,yBAAuB,EAAE,0BAhEZ;AAiEb;AACAnO,gBAAc,EAAE,iBAlEH;AAmEb;AACAoO,cAAY,EAAE,gBApED;AAqEb;AACAC,oBAAkB,EAAE,qBAtEP;AAuEb;AACAC,6BAA2B,EAAE,6BAxEhB;AAyEb;AACAC,aAAW,EAAE,eA1EA;AA2Eb;AACAhJ,gBAAc,EAAE,kBA5EH;AA6Eb;AACApF,2BAAyB,EAAE,2BA9Ed;AA+Eb;AACAoE,uBAAqB,EAAE,wBAhFV;AAiFb;AACAD,uBAAqB,EAAE,wBAlFV;AAmFb;AACArB,mBAAiB,EAAE,oBApFN;AAqFb;AACAzD,aAAW,EAAE,eAtFA;AAuFb;AACAgP,eAAa,EAAE,iBAxFF;AAyFb;AACAC,cAAY,EAAE,gBA1FD;AA2Fb;AACAC,UAAQ,EAAE,YA5FG;AA6Fb;AACAC,wBAAsB,EAAE,wBA9FX;AA+Fb;AACAtrB,OAAK,EAAE,UAhGM;AAiGb;AACAurB,YAAU,EAAE,eAlGC;AAmGb;AACAC,aAAW,EAAE,eApGA;AAqGb;AACAC,YAAU,EAAE,cAtGC;AAuGb;AACAC,yBAAuB,EAAE;AAxGZ,4CA0Ga,0BA1Gb,aA4GbC,mBA5Ga,GA4GQ,qBA5GR,aAAf;AA+Ge7C,wEAAf,E;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;ACnHA;;;;;AAMA;AACA;AACA;AAGA,IAAM8C,qBAAqB,GAAG;AAC5B,qBAAmB,IADS;AAE5B,0BAAwB,IAFI;AAG5B,yBAAuB;AAHK,CAA9B;;IAMMC,0B;;;AAKJ,wBAAaC,GAAb,EAAyC;AAAA,SAJzCA,GAIyC;AAAA,SAHzCC,aAGyC;AAAA,SAFzCC,iBAEyC;AACvC,SAAKF,GAAL,GAAWA,GAAX;AACA,SAAKG,OAAL,GAAe,KAAKA,OAAL,CAAahjB,IAAb,CAAkB,IAAlB,CAAf;;AAFuC,sCAAfijB,MAAe;AAAfA,YAAe;AAAA;;AAGvC,SAAKH,aAAL,GAAqBG,MAArB;AACA,SAAKF,iBAAL,GAAyB,IAAzB;AAEA,SAAKG,iBAAL;AACD;;;;SAEDjuB,O,GAAA,mBAAW;AACT,SAAKkuB,mBAAL;AACA,SAAKC,mBAAL;AACA,SAAKC,kBAAL;AACD,G;;SAESF,mB,GAAV,+BAAiC,CAAE,C;;SACzBE,kB,GAAV,8BAAgC,CAAE,C;;SAElCC,c,GAAA,0BAAkB;AAChB,WAAO,OAAO,KAAKR,aAAZ,KAA8B,QAA9B,IAA0C,KAAKA,aAAL,CAAmBlwB,MAA7D,IAAuE,OAAO,KAAKowB,OAAZ,KAAwB,UAAtG;AACD,G;;SAEDE,iB,GAAA,6BAAqB;AACnB,QAAI,KAAKI,cAAL,EAAJ,EAA2B;AACzB,WAAKR,aAAL,CAAmBza,OAAnB,CAA2B,UAAUwR,KAAV,EAAiB;AAC1C,YAAI8I,qBAAqB,CAAC9I,KAAD,CAAzB,EAAkC;AAChC,gBAAM,IAAI/mB,KAAJ,CAAU,2BAA2B+mB,KAArC,CAAN;AACD;;AAED,aAAKgJ,GAAL,CAASpI,EAAT,CAAYZ,KAAZ,EAAmB,KAAKmJ,OAAxB;AACD,OAND,EAMG,IANH;AAOD;AACF,G;;SAEDI,mB,GAAA,+BAAuB;AACrB,QAAI,KAAKE,cAAL,EAAJ,EAA2B;AACzB,WAAKR,aAAL,CAAmBza,OAAnB,CAA2B,UAAUwR,KAAV,EAAiB;AAC1C,aAAKgJ,GAAL,CAAS9I,GAAT,CAAaF,KAAb,EAAoB,KAAKmJ,OAAzB;AACD,OAFD,EAEG,IAFH;AAGD;AACF;AAED;;;;;SAGAA,O,GAAA,iBAASnJ,KAAT,EAAwBhqB,IAAxB,EAAmC;AACjC,SAAK0zB,cAAL,CAAoB1J,KAApB,EAA2BhqB,IAA3B;AACD,G;;SAED0zB,c,GAAA,wBAAgB1J,KAAhB,EAA+BhqB,IAA/B,EAA0C;AACxC,QAAI2zB,eAAe,GAAG,SAAlBA,eAAkB,CAAU3J,KAAV,EAAyBhqB,IAAzB,EAAoC;AACxD,UAAI4zB,QAAQ,GAAG,OAAO5J,KAAK,CAAC4C,OAAN,CAAc,KAAd,EAAqB,EAArB,CAAtB;;AACA,UAAI,OAAO,KAAKgH,QAAL,CAAP,KAA0B,UAA9B,EAA0C;AACxC,cAAM,IAAI3wB,KAAJ,YAAmB+mB,KAAnB,wCAA2D,KAAK6J,WAAL,CAAiB3zB,IAA5E,sBAAiG0zB,QAAjG,OAAN;AACD;;AAED,aAAO,KAAKA,QAAL,EAAezjB,IAAf,CAAoB,IAApB,EAA0BnQ,IAA1B,CAAP;AACD,KAPD;;AAQA,QAAI;AACF2zB,qBAAe,CAACnU,IAAhB,CAAqB,IAArB,EAA2BwK,KAA3B,EAAkChqB,IAAlC,EAAwCwf,IAAxC;AACD,KAFD,CAEE,OAAO7Y,GAAP,EAAY;AACZP,sBAAM,CAACU,KAAP,sDAAgEkjB,KAAhE,2BAA0FrjB,GAAG,CAACI,OAA9F,gCAAiIJ,GAAjI;AACA,WAAKqsB,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,YAAI,EAAEC,oBAAU,CAAC0sB,WAAnB;AAAgCxsB,eAAO,EAAEC,sBAAY,CAACwsB,kBAAtD;AAA0EtsB,aAAK,EAAE,KAAjF;AAAwFuiB,aAAK,EAAEA,KAA/F;AAAsGrjB,WAAG,EAAEA;AAA3G,OAA9B;AACD;AACF,G;;;;;AAGYosB,4EAAf,E;;ACSA;;;;;AAKO,IAAKiB,mBAAZ;AAOA;;;;WAPYA,mB;AAAAA,qB;AAAAA,qB;AAAAA,qB;AAAAA,qB;GAAAA,mB,KAAAA,mB;;AAUL,IAAKC,iBAAZ;;WAAYA,iB;AAAAA,mB;AAAAA,mB;AAAAA,mB;GAAAA,iB,KAAAA,iB;;;;;;;;;ACjHZ;;IAEqBC,kB;;;AASnB,oBAAaC,OAAb,EAA8BC,WAA9B,EAAmD;AAAA,SAR3CC,IAQ2C,GARrB,IAQqB;AAAA,SAN5CC,OAM4C;AAAA,SAL5CC,MAK4C;AAAA,SAJ5CthB,MAI4C,GAJpB,IAIoB;AAAA,SAH5ChT,GAG4C,GAHnB,IAGmB;AAAA,SAF5CJ,EAE4C,GAFpB,IAEoB;AACjD,SAAKy0B,OAAL,GAAeH,OAAf;AACA,SAAKI,MAAL,GAAcH,WAAd;AACD;;;;wBAEU;AACT,UAAI,CAAC,KAAKC,IAAN,IAAc,KAAKE,MAAvB,EAA+B;AAC7B,aAAKF,IAAL,GAAYG,uCAAgB,CAAC,KAAKF,OAAN,EAAe,KAAKC,MAApB,EAA4B;AAAEE,yBAAe,EAAE;AAAnB,SAA5B,CAA5B;AACD;;AAED,aAAO,KAAKJ,IAAZ;AACD;;;;;;;;;;;;;;;ACrBH;AACA;AACA;AAGO,IAAKK,qBAAZ;;WAAYA,qB;AAAAA,uB;AAAAA,uB;GAAAA,qB,KAAAA,qB;;IAKSC,iB;;;;;;SACXC,I,GAAsB,I;SACtBC,U,GAA8B,I;SAC9BC,Y,GAAgC,I;SAGhCC,kB,sDACLL,qBAAqB,CAACM,K,IAAQ,K,wBAC9BN,qBAAqB,CAACO,K,IAAQ,K;SAI1BC,Q,GAAmB,C;SAEnBC,kB,GAAoC,I;SACpCC,e,GAAiC,I;SACjCC,K,GAAuB,I;SACvBC,O,GAA2B,E;SAS3BC,E;SAEApuB,I;SAEAquB,M;SAEAC,O;SAEA9qB,Q;SAEAuJ,K;SAEA2L,E,GAA6B,C;SAE7B6V,K,GAAgB,C;SAEhBC,K,GAAgB,C;SAIhBC,Q;SAGAC,M;;;;;AAEP;SACAC,Y,GAAA,sBAAcrb,KAAd,EAA6Bsb,YAA7B,EAAsD;AACpD,QAAMC,MAAM,GAAGvb,KAAK,CAACwb,KAAN,CAAY,GAAZ,EAAiB,CAAjB,CAAf;AACA,QAAMC,SAAmB,GAAG,EAA5B;;AACA,QAAIF,MAAM,CAACjzB,MAAP,KAAkB,CAAtB,EAAyB;AACvBmzB,eAAS,CAAC,CAAD,CAAT,GAAeH,YAAY,GAAGA,YAAY,CAACI,kBAAhB,GAAqC,CAAhE;AACD,KAFD,MAEO;AACLD,eAAS,CAAC,CAAD,CAAT,GAAe/oB,QAAQ,CAAC6oB,MAAM,CAAC,CAAD,CAAP,CAAvB;AACD;;AACDE,aAAS,CAAC,CAAD,CAAT,GAAe/oB,QAAQ,CAAC6oB,MAAM,CAAC,CAAD,CAAP,CAAR,GAAsBE,SAAS,CAAC,CAAD,CAA9C;AACA,SAAKrB,UAAL,GAAkBqB,SAAlB;AACD,G;;AAiFD;;;SAGAE,mB,GAAA,6BAAqBjvB,IAArB,EAAkD;AAChD,SAAK4tB,kBAAL,CAAwB5tB,IAAxB,IAAgC,IAAhC;AACD;AAED;;;;;SAGAkvB,mB,GAAA,6BAAqBlvB,IAArB,EAAkD;AAChD,WAAO,KAAK4tB,kBAAL,CAAwB5tB,IAAxB,MAAkC,IAAzC;AACD;AAED;;;;;;;SAKAmvB,0B,GAAA,oCAA4BC,aAA5B,EAA+D;AAC7D,QAAIC,SAAS,GAAG,IAAI9oB,UAAJ,CAAe,EAAf,CAAhB;;AAEA,SAAK,IAAIhM,CAAC,GAAG,EAAb,EAAiBA,CAAC,GAAG,EAArB,EAAyBA,CAAC,EAA1B,EAA8B;AAC5B80B,eAAS,CAAC90B,CAAD,CAAT,GAAgB60B,aAAa,IAAI,KAAK,KAAK70B,CAAV,CAAlB,GAAkC,IAAjD;AACD;;AAED,WAAO80B,SAAP;AACD;AAED;;;;;;;;SAMAC,0B,GAAA,oCAA4Bb,QAA5B,EAAgDW,aAAhD,EAAiF;AAC/E,QAAI1lB,WAAW,GAAG+kB,QAAlB;;AAEA,QAAIA,QAAQ,IAAIA,QAAQ,CAAC3iB,MAArB,IAA+B2iB,QAAQ,CAACc,GAAxC,IAA+C,CAACd,QAAQ,CAAC/1B,EAA7D,EAAiE;AAC/DgR,iBAAW,GAAG,IAAIqjB,kBAAJ,CAAa0B,QAAQ,CAACtB,OAAtB,EAA+BsB,QAAQ,CAACrB,MAAxC,CAAd;AACA1jB,iBAAW,CAACoC,MAAZ,GAAqB2iB,QAAQ,CAAC3iB,MAA9B;AACApC,iBAAW,CAAChR,EAAZ,GAAiB,KAAKy2B,0BAAL,CAAgCC,aAAhC,CAAjB;AACD;;AAED,WAAO1lB,WAAP;AACD,G;;;;wBA5HU;AACT,UAAI,CAAC,KAAK+jB,IAAN,IAAc,KAAKY,MAAvB,EAA+B;AAC7B,aAAKZ,IAAL,GAAYJ,uCAAgB,CAAC,KAAKiB,OAAN,EAAe,KAAKD,MAApB,EAA4B;AAAEf,yBAAe,EAAE;AAAnB,SAA5B,CAA5B;AACD;;AAED,aAAO,KAAKG,IAAZ;AACD,K;sBAEQna,K,EAAO;AACd,WAAKma,IAAL,GAAYna,KAAZ;AACD;;;wBAE0B;AACzB,UAAI,CAAC,KAAKoa,UAAV,EAAsB;AACpB,eAAO,EAAP;AACD;;AAED,aAAO,KAAKA,UAAZ;AACD;AAED;;;;;;wBAG4B;AAC1B,aAAO,KAAKqB,SAAL,CAAe,CAAf,CAAP;AACD;;;wBAEyB;AACxB,aAAO,KAAKA,SAAL,CAAe,CAAf,CAAP;AACD;;;wBAEmC;AAClC,UAAI,CAAC,KAAKN,QAAN,IAAkB,CAAC,KAAKd,YAA5B,EAA0C;AACxC,eAAO,IAAP;AACD;;AAED,UAAI,CAAC,KAAKA,YAAN,IAAsB,KAAKc,QAA/B,EAAyC;AACvC,YAAI/V,EAAE,GAAG,KAAKA,EAAd;;AACA,YAAI,OAAOA,EAAP,KAAc,QAAlB,EAA4B;AAC1B;AACA;AACA;AACA,cAAI,KAAK+V,QAAL,IAAiB,KAAKA,QAAL,CAAc3iB,MAAd,KAAyB,SAA1C,IAAuD,CAAC,KAAK2iB,QAAL,CAAc/1B,EAA1E,EAA8E;AAC5EuG,4BAAM,CAACgN,IAAP,0DAAkE,KAAKwiB,QAAL,CAAc3iB,MAAhF;AACD;AAED;;;;;;;;;AAOA4M,YAAE,GAAG,CAAL;AACD;;AACD,aAAKiV,YAAL,GAAoB,KAAK2B,0BAAL,CAAgC,KAAKb,QAArC,EAA+C/V,EAA/C,CAApB;AACD;;AAED,aAAO,KAAKiV,YAAZ;AACD;;;wBAEyB;AACxB,UAAI,KAAKM,eAAL,KAAyB,IAA7B,EAAmC;AACjC,eAAO,IAAP;AACD;;AAED,UAAI,CAAC,0CAAgB,KAAKA,eAArB,CAAL,EAA4C;AAC1C,eAAO,IAAP;AACD;;AAED,UAAIzqB,QAAQ,GAAG,CAAC,0CAAgB,KAAKA,QAArB,CAAD,GAAkC,CAAlC,GAAsC,KAAKA,QAA1D;AAEA,aAAO,KAAKyqB,eAAL,GAAwBzqB,QAAQ,GAAG,IAA1C;AACD;;;wBAEgB;AACf,aAAO,CAAC,EAAG,KAAKkG,WAAL,IAAoB,KAAKA,WAAL,CAAiB6lB,GAAjB,KAAyB,IAA9C,IAAwD,KAAK7lB,WAAL,CAAiB5Q,GAAjB,KAAyB,IAAnF,CAAR;AACD;;;;;;;;;;;;;;ICxJkB02B,W;;;AACnB,iBAAaC,OAAb,EAAsB;AACpB;AACA,SAAKC,KAAL,GAAa,CAAb;AACA,SAAKC,KAAL,GAAa,CAAb;AACA,SAAKC,SAAL,GAAiB,EAAjB;AACA,SAAKtsB,WAAL,GAAmB,IAAnB;AACA,SAAKusB,IAAL,GAAY,IAAZ;AACA,SAAKC,cAAL,GAAsB,KAAtB;AACA,SAAKC,OAAL,GAAe,CAAf;AACA,SAAKC,OAAL,GAAe,CAAf;AACA,SAAKC,eAAL,GAAuB,IAAvB;AACA,SAAKC,cAAL,GAAsB,CAAtB;AACA,SAAKC,aAAL,GAAqB,CAArB;AACA,SAAKnwB,IAAL,GAAY,IAAZ;AACA,SAAKilB,GAAL,GAAWwK,OAAX;AACA,SAAKzI,OAAL,GAAe,IAAf;AACD;;;;wBAEyB;AACxB,aAAO,CAAC,EAAE,KAAK4I,SAAL,CAAe,CAAf,KAAqB,0CAAgB,KAAKA,SAAL,CAAe,CAAf,EAAkB3B,eAAlC,CAAvB,CAAR;AACD;;;;;;;;ACrBH,IAAMmC,wBAAwB,GAAG,eAAjC,C,CAAkD;;AAClD,IAAMC,eAAe,GAAG,uCAAxB,C,CAAiE;AAEjE;;IACMC,Q;;;AACJ,oBAAaC,KAAb,EAAoB;AAClB,QAAI,OAAOA,KAAP,KAAiB,QAArB,EAA+B;AAC7BA,WAAK,GAAGD,QAAQ,CAACE,aAAT,CAAuBD,KAAvB,CAAR;AACD;;AAED,SAAK,IAAIE,IAAT,IAAiBF,KAAjB,EAAwB;AACtB,UAAIA,KAAK,CAACtZ,cAAN,CAAqBwZ,IAArB,CAAJ,EAAgC;AAC9B,aAAKA,IAAL,IAAaF,KAAK,CAACE,IAAD,CAAlB;AACD;AACF;AACF;;;;SAEDC,c,GAAA,wBAAgBC,QAAhB,EAA0B;AACxB,QAAMC,QAAQ,GAAG5qB,QAAQ,CAAC,KAAK2qB,QAAL,CAAD,EAAiB,EAAjB,CAAzB;;AACA,QAAIC,QAAQ,GAAGC,MAAM,CAACC,gBAAtB,EAAwC;AACtC,aAAOtU,QAAP;AACD;;AAED,WAAOoU,QAAP;AACD,G;;SAEDG,kB,GAAA,4BAAoBJ,QAApB,EAA8B;AAC5B,QAAI,KAAKA,QAAL,CAAJ,EAAoB;AAClB,UAAIK,WAAW,GAAG,CAAC,KAAKL,QAAL,KAAkB,IAAnB,EAAyBj3B,KAAzB,CAA+B,CAA/B,CAAlB;AACAs3B,iBAAW,GAAG,CAAEA,WAAW,CAACp1B,MAAZ,GAAqB,CAAtB,GAA2B,GAA3B,GAAiC,EAAlC,IAAwCo1B,WAAtD;AAEA,UAAM1d,KAAK,GAAG,IAAI/M,UAAJ,CAAeyqB,WAAW,CAACp1B,MAAZ,GAAqB,CAApC,CAAd;;AACA,WAAK,IAAIrB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGy2B,WAAW,CAACp1B,MAAZ,GAAqB,CAAzC,EAA4CrB,CAAC,EAA7C,EAAiD;AAC/C+Y,aAAK,CAAC/Y,CAAD,CAAL,GAAWyL,QAAQ,CAACgrB,WAAW,CAACt3B,KAAZ,CAAkBa,CAAC,GAAG,CAAtB,EAAyBA,CAAC,GAAG,CAAJ,GAAQ,CAAjC,CAAD,EAAsC,EAAtC,CAAnB;AACD;;AAED,aAAO+Y,KAAP;AACD,KAVD,MAUO;AACL,aAAO,IAAP;AACD;AACF,G;;SAED2d,0B,GAAA,oCAA4BN,QAA5B,EAAsC;AACpC,QAAMC,QAAQ,GAAG5qB,QAAQ,CAAC,KAAK2qB,QAAL,CAAD,EAAiB,EAAjB,CAAzB;;AACA,QAAIC,QAAQ,GAAGC,MAAM,CAACC,gBAAtB,EAAwC;AACtC,aAAOtU,QAAP;AACD;;AAED,WAAOoU,QAAP;AACD,G;;SAEDM,oB,GAAA,8BAAsBP,QAAtB,EAAgC;AAC9B,WAAOQ,UAAU,CAAC,KAAKR,QAAL,CAAD,CAAjB;AACD,G;;SAEDS,gB,GAAA,0BAAkBT,QAAlB,EAA4B;AAC1B,WAAO,KAAKA,QAAL,CAAP;AACD,G;;SAEDU,iB,GAAA,2BAAmBV,QAAnB,EAA6B;AAC3B,QAAMW,GAAG,GAAGlB,wBAAwB,CAACmB,IAAzB,CAA8B,KAAKZ,QAAL,CAA9B,CAAZ;;AACA,QAAIW,GAAG,KAAK,IAAZ,EAAkB;AAChB,aAAOpzB,SAAP;AACD;;AAED,WAAO;AACLmL,WAAK,EAAErD,QAAQ,CAACsrB,GAAG,CAAC,CAAD,CAAJ,EAAS,EAAT,CADV;AAEL/nB,YAAM,EAAEvD,QAAQ,CAACsrB,GAAG,CAAC,CAAD,CAAJ,EAAS,EAAT;AAFX,KAAP;AAID,G;;WAEMd,a,GAAP,uBAAsBgB,KAAtB,EAA6B;AAC3B,QAAIzW,KAAJ;AAAA,QAAWwV,KAAK,GAAG,EAAnB;AACAF,mBAAe,CAACoB,SAAhB,GAA4B,CAA5B;;AACA,WAAO,CAAC1W,KAAK,GAAGsV,eAAe,CAACkB,IAAhB,CAAqBC,KAArB,CAAT,MAA0C,IAAjD,EAAuD;AACrD,UAAIle,KAAK,GAAGyH,KAAK,CAAC,CAAD,CAAjB;AAAA,UAAsB2W,KAAK,GAAG,GAA9B;;AAEA,UAAIpe,KAAK,CAAChS,OAAN,CAAcowB,KAAd,MAAyB,CAAzB,IACApe,KAAK,CAACqe,WAAN,CAAkBD,KAAlB,MAA8Bpe,KAAK,CAAC1X,MAAN,GAAe,CADjD,EACqD;AACnD0X,aAAK,GAAGA,KAAK,CAAC5Z,KAAN,CAAY,CAAZ,EAAe,CAAC,CAAhB,CAAR;AACD;;AAED62B,WAAK,CAACxV,KAAK,CAAC,CAAD,CAAN,CAAL,GAAkBzH,KAAlB;AACD;;AACD,WAAOid,KAAP;AACD,G;;;;;AAGYD,sDAAf,E;;ACxFA;AACA,IAAMsB,mBAAmB,GAAG;AAC1BrmB,OAAK,EAAE;AACL,YAAQ,IADH;AAEL,YAAQ,IAFH;AAGL,YAAQ,IAHH;AAIL,YAAQ,IAJH;AAKL,YAAQ,IALH;AAML,YAAQ,IANH;AAOL,YAAQ,IAPH;AAQL,YAAQ,IARH;AASL,YAAQ,IATH;AAUL,YAAQ,IAVH;AAWL,YAAQ,IAXH;AAYL,YAAQ,IAZH;AAaL,YAAQ,IAbH;AAcL,YAAQ,IAdH;AAeL,YAAQ,IAfH;AAgBL,YAAQ,IAhBH;AAiBL,YAAQ,IAjBH;AAkBL,YAAQ,IAlBH;AAmBL,YAAQ,IAnBH;AAoBL,YAAQ,IApBH;AAqBL,YAAQ,IArBH;AAsBL,YAAQ,IAtBH;AAuBL,YAAQ,IAvBH;AAwBL,YAAQ,IAxBH;AAyBL,YAAQ,IAzBH;AA0BL,YAAQ,IA1BH;AA2BL,YAAQ,IA3BH;AA4BL,YAAQ,IA5BH;AA6BL,YAAQ,IA7BH;AA8BL,YAAQ,IA9BH;AA+BL,YAAQ,IA/BH;AAgCL,YAAQ;AAhCH,GADmB;AAmC1BD,OAAK,EAAE;AACL,YAAQ,IADH;AAEL,YAAQ,IAFH;AAGL,YAAQ,IAHH;AAIL,YAAQ,IAJH;AAKL,YAAQ,IALH;AAML,YAAQ,IANH;AAOL,YAAQ,IAPH;AAQL,YAAQ,IARH;AASL,YAAQ,IATH;AAUL,YAAQ,IAVH;AAWL,YAAQ,IAXH;AAYL,YAAQ,IAZH;AAaL,YAAQ,IAbH;AAcL,YAAQ,IAdH;AAeL,YAAQ,IAfH;AAgBL,YAAQ,IAhBH;AAiBL,YAAQ,IAjBH;AAkBL,YAAQ,IAlBH;AAmBL,YAAQ,IAnBH;AAoBL,YAAQ,IApBH;AAqBL,YAAQ,IArBH;AAsBL,YAAQ,IAtBH;AAuBL,YAAQ,IAvBH;AAwBL,YAAQ,IAxBH;AAyBL,YAAQ;AAzBH;AAnCmB,CAA5B;;AAkEA,SAASumB,WAAT,CAAsBpwB,KAAtB,EAAqCzB,IAArC,EAA+D;AAC7D,MAAM8xB,SAAS,GAAGF,mBAAmB,CAAC5xB,IAAD,CAArC;AACA,SAAO,CAAC,CAAC8xB,SAAF,IAAeA,SAAS,CAACrwB,KAAK,CAAC/H,KAAN,CAAY,CAAZ,EAAe,CAAf,CAAD,CAAT,KAAiC,IAAvD;AACD;;AAED,SAASq4B,qBAAT,CAAgCtwB,KAAhC,EAA+CzB,IAA/C,EAAyE;AACvE,SAAOgyB,WAAW,CAACC,eAAZ,EAA+BjyB,IAAI,IAAI,OAAvC,uBAA8DyB,KAA9D,QAAP;AACD;;;;;;;AC1ED;AAEA;AACA;AACA;AAEA;AACA;AACA;;AAIA;;;;AAKA;AACA,IAAMywB,qBAAqB,GAAG,gDAA9B;AACA,IAAMC,2BAA2B,GAAG,oBAApC;AAEA,IAAMC,yBAAyB,GAAG,IAAIC,MAAJ,CAAW,CAC3C,0CAA0CC,MADC,EACO;AAClD,mBAAmBA,MAFwB,EAEhB;AAC3B,0BAA0BA,MAHiB,EAGT;AAClC,iCAAiCA,MAJU,EAIF;AACzC,OAAOA,MALoC,CAK7B;AAL6B,EAM3C7f,IAN2C,CAMtC,EANsC,CAAX,EAMtB,GANsB,CAAlC;AAQA,IAAM8f,yBAAyB,GAAG,gWAAlC;AAEA,IAAMC,gBAAgB,GAAG,uBAAzB;;IAEqBC,sB;;;;;aACZC,S,GAAP,mBAAkBC,MAAlB,EAA6CC,YAA7C,EAA2F;AACzF,SAAK,IAAIr4B,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGo4B,MAAM,CAAC/2B,MAA3B,EAAmCrB,CAAC,EAApC,EAAwC;AACtC,UAAMs4B,KAAK,GAAGF,MAAM,CAACp4B,CAAD,CAApB;;AACA,UAAIs4B,KAAK,CAAClvB,EAAN,KAAaivB,YAAjB,EAA+B;AAC7B,eAAOC,KAAP;AACD;AACF;AACF,G;;aAEMC,mB,GAAP,6BAA4BrxB,KAA5B,EAAmC;AACjC,QAAIsxB,OAAO,GAAGtxB,KAAK,CAACqtB,KAAN,CAAY,GAAZ,CAAd;AACA,QAAIpvB,MAAJ;;AACA,QAAIqzB,OAAO,CAACn3B,MAAR,GAAiB,CAArB,EAAwB;AACtB8D,YAAM,GAAGqzB,OAAO,CAAC7e,KAAR,KAAkB,GAA3B;AACAxU,YAAM,IAAIsG,QAAQ,CAAC+sB,OAAO,CAAC7e,KAAR,EAAD,CAAR,CAA0B5B,QAA1B,CAAmC,EAAnC,CAAV;AACA5S,YAAM,IAAI,CAAC,QAAQsG,QAAQ,CAAC+sB,OAAO,CAAC7e,KAAR,EAAD,CAAR,CAA0B5B,QAA1B,CAAmC,EAAnC,CAAT,EAAiD0gB,MAAjD,CAAwD,CAAC,CAAzD,CAAV;AACD,KAJD,MAIO;AACLtzB,YAAM,GAAG+B,KAAT;AACD;;AACD,WAAO/B,MAAP;AACD,G;;aAEMuzB,O,GAAP,iBAAgBhO,GAAhB,EAAqBwK,OAArB,EAA8B;AAC5B,WAAOyD,+BAAA,CAA4BzD,OAA5B,EAAqCxK,GAArC,EAA0C;AAAEqI,qBAAe,EAAE;AAAnB,KAA1C,CAAP;AACD,G;;aAEM6F,mB,GAAP,6BAA4BC,MAA5B,EAA4C9E,OAA5C,EAA6D;AAC3D;AACA,QAAI+E,MAAkB,GAAG,EAAzB;AACAnB,yBAAqB,CAACT,SAAtB,GAAkC,CAAlC,CAH2D,CAK3D;;AACA,aAAS6B,SAAT,CAAoBC,MAApB,EAA2C/E,KAA3C,EAAuD;AACrD,OAAC,OAAD,EAAU,OAAV,EAAmBnd,OAAnB,CAA2B,UAACrR,IAAD,EAAqB;AAC9C,YAAMwzB,QAAQ,GAAGD,MAAM,CAACrT,MAAP,CAAc,UAACze,KAAD;AAAA,iBAAWowB,WAAW,CAACpwB,KAAD,EAAQzB,IAAR,CAAtB;AAAA,SAAd,CAAjB;;AACA,YAAIwzB,QAAQ,CAAC53B,MAAb,EAAqB;AACnB,cAAM63B,SAAS,GAAGD,QAAQ,CAACtT,MAAT,CAAgB,UAACze,KAAD,EAAW;AAC3C,mBAAOA,KAAK,CAACkwB,WAAN,CAAkB,MAAlB,EAA0B,CAA1B,MAAiC,CAAjC,IAAsClwB,KAAK,CAACkwB,WAAN,CAAkB,MAAlB,EAA0B,CAA1B,MAAiC,CAA9E;AACD,WAFiB,CAAlB;AAGAnD,eAAK,CAAIxuB,IAAJ,WAAL,GAAwByzB,SAAS,CAAC73B,MAAV,GAAmB,CAAnB,GAAuB63B,SAAS,CAAC,CAAD,CAAhC,GAAsCD,QAAQ,CAAC,CAAD,CAAtE,CAJmB,CAMnB;;AACAD,gBAAM,GAAGA,MAAM,CAACrT,MAAP,CAAc,UAACze,KAAD;AAAA,mBAAW+xB,QAAQ,CAAClyB,OAAT,CAAiBG,KAAjB,MAA4B,CAAC,CAAxC;AAAA,WAAd,CAAT;AACD;AACF,OAXD;AAaA+sB,WAAK,CAACkF,aAAN,GAAsBH,MAAtB;AACD;;AAED,QAAI7zB,MAAJ;;AACA,WAAO,CAACA,MAAM,GAAGwyB,qBAAqB,CAACX,IAAtB,CAA2B6B,MAA3B,CAAV,KAAiD,IAAxD,EAA8D;AAC5D;AACA,UAAM5E,KAAU,GAAG,EAAnB;AAEA,UAAM+B,KAAK,GAAG/B,KAAK,CAAC+B,KAAN,GAAc,IAAID,SAAJ,CAAa5wB,MAAM,CAAC,CAAD,CAAnB,CAA5B;AACA8uB,WAAK,CAACvJ,GAAN,GAAYwN,UAAU,CAACQ,OAAX,CAAmBvzB,MAAM,CAAC,CAAD,CAAzB,EAA8B4uB,OAA9B,CAAZ;AAEA,UAAMqF,UAAU,GAAGpD,KAAK,CAACc,iBAAN,CAAwB,YAAxB,CAAnB;;AACA,UAAIsC,UAAJ,EAAgB;AACdnF,aAAK,CAACnlB,KAAN,GAAcsqB,UAAU,CAACtqB,KAAzB;AACAmlB,aAAK,CAACjlB,MAAN,GAAeoqB,UAAU,CAACpqB,MAA1B;AACD;;AACDilB,WAAK,CAACoF,OAAN,GAAgBrD,KAAK,CAACG,cAAN,CAAqB,mBAArB,KAA6CH,KAAK,CAACG,cAAN,CAAqB,WAArB,CAA7D;AACAlC,WAAK,CAACz1B,IAAN,GAAaw3B,KAAK,CAACsD,IAAnB;AAEAP,eAAS,CAAC,GAAGva,MAAH,CAAU,CAACwX,KAAK,CAACuD,MAAN,IAAgB,EAAjB,EAAqBhF,KAArB,CAA2B,OAA3B,CAAV,CAAD,EAAiDN,KAAjD,CAAT;;AAEA,UAAIA,KAAK,CAACjrB,UAAN,IAAoBirB,KAAK,CAACjrB,UAAN,CAAiBjC,OAAjB,CAAyB,MAAzB,MAAqC,CAAC,CAA9D,EAAiE;AAC/DktB,aAAK,CAACjrB,UAAN,GAAmBkvB,UAAU,CAACK,mBAAX,CAA+BtE,KAAK,CAACjrB,UAArC,CAAnB;AACD;;AAED8vB,YAAM,CAACpwB,IAAP,CAAYurB,KAAZ;AACD;;AACD,WAAO6E,MAAP;AACD,G;;aAEMU,wB,GAAP,kCAAiCX,MAAjC,EAAiD9E,OAAjD,EAAkEtuB,IAAlE,EAA2Fg0B,WAA3F,EAAsJ;AAAA,QAA3DA,WAA2D;AAA3DA,iBAA2D,GAA1B,EAA0B;AAAA;;AACpJ,QAAIt0B,MAAJ;AACA,QAAIu0B,MAA4B,GAAG,EAAnC;AACA,QAAItwB,EAAE,GAAG,CAAT;AACAwuB,+BAA2B,CAACV,SAA5B,GAAwC,CAAxC;;AACA,WAAO,CAAC/xB,MAAM,GAAGyyB,2BAA2B,CAACZ,IAA5B,CAAiC6B,MAAjC,CAAV,MAAwD,IAA/D,EAAqE;AACnE,UAAM7C,KAAK,GAAG,IAAID,SAAJ,CAAa5wB,MAAM,CAAC,CAAD,CAAnB,CAAd;;AACA,UAAI6wB,KAAK,CAAC2D,IAAN,KAAel0B,IAAnB,EAAyB;AACvB,YAAMm0B,KAAoB,GAAG;AAC3BxwB,YAAE,EAAEA,EAAE,EADqB;AAE3BywB,iBAAO,EAAE7D,KAAK,CAAC,UAAD,CAFa;AAG3Bx3B,cAAI,EAAEw3B,KAAK,CAACsD,IAAN,IAActD,KAAK,CAAC8D,QAHC;AAI3Br0B,cAAI,EAAJA,IAJ2B;AAK3Bs0B,iBAAO,EAAG/D,KAAK,CAACgE,OAAN,KAAkB,KALD;AAM3BC,oBAAU,EAAGjE,KAAK,CAACkE,UAAN,KAAqB,KANP;AAO3BC,gBAAM,EAAGnE,KAAK,CAACoE,MAAN,KAAiB,KAPC;AAQ3BC,cAAI,EAAErE,KAAK,CAAC8D;AARe,SAA7B;;AAWA,YAAI9D,KAAK,CAACsE,GAAV,EAAe;AACbV,eAAK,CAAClP,GAAN,GAAYwN,UAAU,CAACQ,OAAX,CAAmB1C,KAAK,CAACsE,GAAzB,EAA8BvG,OAA9B,CAAZ;AACD;;AAED,YAAI0F,WAAW,CAACp4B,MAAhB,EAAwB;AACtB;AACA,cAAMk5B,UAAU,GAAGrC,UAAU,CAACC,SAAX,CAAqBsB,WAArB,EAAkCG,KAAK,CAACC,OAAxC,CAAnB,CAFsB,CAItB;AACA;;AACAD,eAAK,CAAC1zB,UAAN,GAAmBq0B,UAAU,GAAGA,UAAU,CAACrzB,KAAd,GAAsBuyB,WAAW,CAAC,CAAD,CAAX,CAAevyB,KAAlE;AACD;;AAEDwyB,cAAM,CAAChxB,IAAP,CAAYkxB,KAAZ;AACD;AACF;;AACD,WAAOF,MAAP;AACD,G;;aAEMc,kB,GAAP,4BAA2B3B,MAA3B,EAA2C9E,OAA3C,EAA4D3qB,EAA5D,EAAwE3D,IAAxE,EAAiGg1B,UAAjG,EAAqH;AACnH,QAAIC,SAAS,GAAG,CAAhB;AACA,QAAI9E,aAAa,GAAG,CAApB;AACA,QAAI3B,KAAK,GAAG,IAAIgB,WAAJ,CAAUlB,OAAV,CAAZ;AACA,QAAI4G,oBAAoB,GAAG,CAA3B;AACA,QAAIC,QAAyB,GAAG,IAAhC;AACA,QAAIvlB,IAAqB,GAAG,IAAI4d,iBAAJ,EAA5B;AACA,QAAI9tB,MAAJ;AACA,QAAInF,CAAJ;AACA,QAAIk0B,QAAJ;AAEA,QAAI2G,aAAa,GAAG,IAApB;AAEAhD,6BAAyB,CAACX,SAA1B,GAAsC,CAAtC;;AAEA,WAAO,CAAC/xB,MAAM,GAAG0yB,yBAAyB,CAACb,IAA1B,CAA+B6B,MAA/B,CAAV,MAAsD,IAA7D,EAAmE;AACjE,UAAM5vB,QAAQ,GAAG9D,MAAM,CAAC,CAAD,CAAvB;;AACA,UAAI8D,QAAJ,EAAc;AAAE;AACdoM,YAAI,CAACpM,QAAL,GAAgB2tB,UAAU,CAAC3tB,QAAD,CAA1B,CADY,CAEZ;;AACA,YAAM0qB,KAAK,GAAG,CAAC,MAAMxuB,MAAM,CAAC,CAAD,CAAb,EAAkBhG,KAAlB,CAAwB,CAAxB,CAAd;AACAkW,YAAI,CAACse,KAAL,GAAaA,KAAK,IAAI,IAAtB;AACAte,YAAI,CAACue,OAAL,CAAalrB,IAAb,CAAkBirB,KAAK,GAAG,CAAE,KAAF,EAAS1qB,QAAT,EAAmB0qB,KAAnB,CAAH,GAAgC,CAAE,KAAF,EAAS1qB,QAAT,CAAvD;AACD,OAND,MAMO,IAAI9D,MAAM,CAAC,CAAD,CAAV,EAAe;AAAE;AACtB,YAAI,0CAAgBkQ,IAAI,CAACpM,QAArB,CAAJ,EAAoC;AAClC,cAAMkV,EAAE,GAAGuc,SAAS,EAApB;AACArlB,cAAI,CAAC5P,IAAL,GAAYA,IAAZ;AACA4P,cAAI,CAAC7C,KAAL,GAAaojB,aAAb;;AACA,cAAI1B,QAAJ,EAAc;AACZ7e,gBAAI,CAAC6e,QAAL,GAAgBA,QAAhB;AACD;;AACD7e,cAAI,CAAC8I,EAAL,GAAUA,EAAV;AACA9I,cAAI,CAAC4e,KAAL,GAAa7qB,EAAb;AACAiM,cAAI,CAACwe,EAAL,GAAU8G,oBAAV;AACAtlB,cAAI,CAAC2e,KAAL,GAAayG,UAAb;AACAplB,cAAI,CAAC0e,OAAL,GAAeA,OAAf,CAXkC,CAYlC;;AACA1e,cAAI,CAACye,MAAL,GAAc,CAAC,MAAM3uB,MAAM,CAAC,CAAD,CAAb,EAAkBhG,KAAlB,CAAwB,CAAxB,CAAd;AACA27B,+BAAqB,CAACzlB,IAAD,EAAOulB,QAAP,CAArB;AAEA3G,eAAK,CAACoB,SAAN,CAAgB3sB,IAAhB,CAAqB2M,IAArB;AACAulB,kBAAQ,GAAGvlB,IAAX;AACAugB,uBAAa,IAAIvgB,IAAI,CAACpM,QAAtB;AAEAoM,cAAI,GAAG,IAAI4d,iBAAJ,EAAP;AACD;AACF,OAvBM,MAuBA,IAAI9tB,MAAM,CAAC,CAAD,CAAV,EAAe;AAAE;AACtB,YAAM7G,IAAI,GAAG,CAAC,MAAM6G,MAAM,CAAC,CAAD,CAAb,EAAkBhG,KAAlB,CAAwB,CAAxB,CAAb;;AACA,YAAIy7B,QAAJ,EAAc;AACZvlB,cAAI,CAAC+e,YAAL,CAAkB91B,IAAlB,EAAwBs8B,QAAxB;AACD,SAFD,MAEO;AACLvlB,cAAI,CAAC+e,YAAL,CAAkB91B,IAAlB;AACD;AACF,OAPM,MAOA,IAAI6G,MAAM,CAAC,CAAD,CAAV,EAAe;AAAE;AACtB;AACAkQ,YAAI,CAACoe,kBAAL,GAA0B,CAAC,MAAMtuB,MAAM,CAAC,CAAD,CAAb,EAAkBhG,KAAlB,CAAwB,CAAxB,CAA1B;AACAkW,YAAI,CAACue,OAAL,CAAalrB,IAAb,CAAkB,CAAC,mBAAD,EAAsB2M,IAAI,CAACoe,kBAA3B,CAAlB;;AACA,YAAIoH,aAAa,KAAK,IAAtB,EAA4B;AAC1BA,uBAAa,GAAG5G,KAAK,CAACoB,SAAN,CAAgBh0B,MAAhC;AACD;AACF,OAPM,MAOA;AACL8D,cAAM,GAAGA,MAAM,CAAC,CAAD,CAAN,CAAUqb,KAAV,CAAgBwX,yBAAhB,CAAT;;AACA,YAAI,CAAC7yB,MAAL,EAAa;AACXT,0BAAM,CAACgN,IAAP,CAAY,oDAAZ;AACA;AACD;;AACD,aAAK1R,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGmF,MAAM,CAAC9D,MAAvB,EAA+BrB,CAAC,EAAhC,EAAoC;AAClC,cAAI,OAAOmF,MAAM,CAACnF,CAAD,CAAb,KAAqB,WAAzB,EAAsC;AACpC;AACD;AACF,SAVI,CAYL;;;AACA,YAAM+6B,MAAM,GAAG,CAAC,MAAM51B,MAAM,CAACnF,CAAC,GAAG,CAAL,CAAb,EAAsBb,KAAtB,CAA4B,CAA5B,CAAf;AACA,YAAM67B,MAAM,GAAG,CAAC,MAAM71B,MAAM,CAACnF,CAAC,GAAG,CAAL,CAAb,EAAsBb,KAAtB,CAA4B,CAA5B,CAAf;;AAEA,gBAAQgG,MAAM,CAACnF,CAAD,CAAd;AACA,eAAK,GAAL;AACEqV,gBAAI,CAACue,OAAL,CAAalrB,IAAb,CAAkBsyB,MAAM,GAAG,CAAED,MAAF,EAAUC,MAAV,CAAH,GAAwB,CAAED,MAAF,CAAhD;AACA;;AACF,eAAK,eAAL;AACE9G,iBAAK,CAACxuB,IAAN,GAAas1B,MAAM,CAACE,WAAP,EAAb;AACA;;AACF,eAAK,gBAAL;AACEP,qBAAS,GAAGzG,KAAK,CAACwB,OAAN,GAAgBhqB,QAAQ,CAACsvB,MAAD,CAApC;AACA;;AACF,eAAK,gBAAL;AACE9G,iBAAK,CAAC0B,cAAN,GAAuBiB,UAAU,CAACmE,MAAD,CAAjC;AACA;;AACF,eAAK,SAAL;AACE9G,iBAAK,CAACxH,OAAN,GAAgBhhB,QAAQ,CAACsvB,MAAD,CAAxB;AACA;;AACF,eAAK,QAAL;AACE;;AACF,eAAK,SAAL;AACE9G,iBAAK,CAACqB,IAAN,GAAa,KAAb;AACA;;AACF,eAAK,KAAL;AACEqF,gCAAoB;AACpBtlB,gBAAI,CAACue,OAAL,CAAalrB,IAAb,CAAkB,CAAC,KAAD,CAAlB;AACA;;AACF,eAAK,mBAAL;AACEiyB,gCAAoB,GAAGlvB,QAAQ,CAACsvB,MAAD,CAA/B;AACA;;AACF,eAAK,KAAL;AAAY;AACV;AACA,kBAAMG,aAAa,GAAGH,MAAtB;AACA,kBAAMI,QAAQ,GAAG,IAAIpF,SAAJ,CAAamF,aAAb,CAAjB;AACA,kBAAME,aAAa,GAAGD,QAAQ,CAACtE,gBAAT,CAA0B,QAA1B,CAAtB;AACA,kBAAMwE,UAAU,GAAGF,QAAQ,CAACb,GAA5B;AACA,kBAAMgB,SAAS,GAAGH,QAAQ,CAAC3E,kBAAT,CAA4B,IAA5B,CAAlB;;AAEA,kBAAI4E,aAAJ,EAAmB;AACjBlH,wBAAQ,GAAG,IAAI1B,kBAAJ,CAAauB,OAAb,EAAsBsH,UAAtB,CAAX;;AACA,oBAAKA,UAAD,IAAiB,CAAC,SAAD,EAAY,YAAZ,EAA0B,iBAA1B,EAA6Ct0B,OAA7C,CAAqDq0B,aAArD,KAAuE,CAA5F,EAAgG;AAC9FlH,0BAAQ,CAAC3iB,MAAT,GAAkB6pB,aAAlB;AACAlH,0BAAQ,CAAC31B,GAAT,GAAe,IAAf,CAF8F,CAG9F;;AACA21B,0BAAQ,CAAC/1B,EAAT,GAAcm9B,SAAd;AACD;AACF;;AACD;AACD;;AACD,eAAK,OAAL;AAAc;AACZ,kBAAMC,UAAU,GAAG,IAAIxF,SAAJ,CAAagF,MAAb,CAAnB;AACA,kBAAMrF,eAAe,GAAG6F,UAAU,CAAC5E,oBAAX,CAAgC,aAAhC,CAAxB,CAFY,CAGZ;;AACA,kBAAI,0CAAgBjB,eAAhB,CAAJ,EAAsC;AACpCzB,qBAAK,CAACyB,eAAN,GAAwBA,eAAxB;AACD;;AACD;AACD;;AACD,eAAK,KAAL;AAAY;AACV,kBAAM8F,QAAQ,GAAG,IAAIzF,SAAJ,CAAagF,MAAb,CAAjB;AACA1lB,kBAAI,CAACye,MAAL,GAAc0H,QAAQ,CAAClB,GAAvB;;AACA,kBAAIkB,QAAQ,CAACC,SAAb,EAAwB;AACtBpmB,oBAAI,CAAC+e,YAAL,CAAkBoH,QAAQ,CAACC,SAA3B;AACD;;AACDpmB,kBAAI,CAAC0e,OAAL,GAAeA,OAAf;AACA1e,kBAAI,CAAC4e,KAAL,GAAa7qB,EAAb;AACAiM,kBAAI,CAAC5P,IAAL,GAAYA,IAAZ;AACA4P,kBAAI,CAAC8I,EAAL,GAAU,aAAV;AACA8V,mBAAK,CAAClrB,WAAN,GAAoBsM,IAApB;AACAA,kBAAI,GAAG,IAAI4d,iBAAJ,EAAP;AACA5d,kBAAI,CAACoe,kBAAL,GAA0BQ,KAAK,CAAClrB,WAAN,CAAkB0qB,kBAA5C;AACA;AACD;;AACD;AACE/uB,4BAAM,CAACgN,IAAP,mCAA4CvM,MAA5C;AACA;AAzEF;AA2ED;AACF;;AACDkQ,QAAI,GAAGulB,QAAP,CAzJmH,CA0JnH;;AACA,QAAIvlB,IAAI,IAAI,CAACA,IAAI,CAACye,MAAlB,EAA0B;AACxBG,WAAK,CAACoB,SAAN,CAAgBqG,GAAhB;AACA9F,mBAAa,IAAIvgB,IAAI,CAACpM,QAAtB;AACD;;AACDgrB,SAAK,CAAC2B,aAAN,GAAsBA,aAAtB;AACA3B,SAAK,CAAC0H,qBAAN,GAA8B/F,aAAa,GAAG3B,KAAK,CAACoB,SAAN,CAAgBh0B,MAA9D;AACA4yB,SAAK,CAACmB,KAAN,GAAcsF,SAAS,GAAG,CAA1B;AACAzG,SAAK,CAACuB,OAAN,GAAgBvB,KAAK,CAACoB,SAAN,CAAgB,CAAhB,IAAqBpB,KAAK,CAACoB,SAAN,CAAgB,CAAhB,EAAmBxB,EAAxC,GAA6C,CAA7D;AACAI,SAAK,CAACkB,KAAN,GAAcwF,oBAAd;;AAEA,QAAI,CAAC1G,KAAK,CAAClrB,WAAP,IAAsBkrB,KAAK,CAACoB,SAAN,CAAgBh0B,MAA1C,EAAkD;AAChD;AACA;AACA;AACA,UAAI4yB,KAAK,CAACoB,SAAN,CAAgBuG,KAAhB,CAAsB,UAACvmB,IAAD;AAAA,eAAU4iB,gBAAgB,CAACpxB,IAAjB,CAAsBwO,IAAI,CAACye,MAA3B,CAAV;AAAA,OAAtB,CAAJ,EAAyE;AACvEpvB,wBAAM,CAACgN,IAAP,CAAY,kGAAZ;AAEA2D,YAAI,GAAG,IAAI4d,iBAAJ,EAAP;AACA5d,YAAI,CAACye,MAAL,GAAcG,KAAK,CAACoB,SAAN,CAAgB,CAAhB,EAAmBvB,MAAjC;AACAze,YAAI,CAAC0e,OAAL,GAAeA,OAAf;AACA1e,YAAI,CAAC4e,KAAL,GAAa7qB,EAAb;AACAiM,YAAI,CAAC5P,IAAL,GAAYA,IAAZ;AACA4P,YAAI,CAAC8I,EAAL,GAAU,aAAV;AAEA8V,aAAK,CAAClrB,WAAN,GAAoBsM,IAApB;AACA4e,aAAK,CAACsB,cAAN,GAAuB,IAAvB;AACD;AACF;AAED;;;;;;;;;;;AASA,QAAIsF,aAAJ,EAAmB;AACjBgB,8BAAwB,CAAC5H,KAAK,CAACoB,SAAP,EAAkBwF,aAAlB,CAAxB;AACD;;AAED,WAAO5G,KAAP;AACD,G;;;;;;;AAGH,SAAS4H,wBAAT,CAAmCxG,SAAnC,EAA8CyG,UAA9C,EAA0D;AACxD,MAAIC,QAAQ,GAAG1G,SAAS,CAACyG,UAAD,CAAxB;;AACA,OAAK,IAAI97B,CAAC,GAAG87B,UAAU,GAAG,CAA1B,EAA6B97B,CAAC,IAAI,CAAlC,EAAqCA,CAAC,EAAtC,EAA0C;AACxC,QAAMqV,IAAI,GAAGggB,SAAS,CAACr1B,CAAD,CAAtB;AACAqV,QAAI,CAACqe,eAAL,GAAuBqI,QAAQ,CAACrI,eAAT,GAA4Bre,IAAI,CAACpM,QAAL,GAAgB,IAAnE;AACA8yB,YAAQ,GAAG1mB,IAAX;AACD;AACF;;AAED,SAASylB,qBAAT,CAAgCzlB,IAAhC,EAAsCulB,QAAtC,EAAgD;AAC9C,MAAIvlB,IAAI,CAACoe,kBAAT,EAA6B;AAC3Bpe,QAAI,CAACqe,eAAL,GAAuBxM,IAAI,CAAC8B,KAAL,CAAW3T,IAAI,CAACoe,kBAAhB,CAAvB;AACD,GAFD,MAEO,IAAImH,QAAQ,IAAIA,QAAQ,CAAClH,eAAzB,EAA0C;AAC/Cre,QAAI,CAACqe,eAAL,GAAuBkH,QAAQ,CAACoB,kBAAhC;AACD;;AAED,MAAI,CAAC,0CAAgB3mB,IAAI,CAACqe,eAArB,CAAL,EAA4C;AAC1Cre,QAAI,CAACqe,eAAL,GAAuB,IAAvB;AACAre,QAAI,CAACoe,kBAAL,GAA0B,IAA1B;AACD;AACF,C;;;;;;;ACjXD;;;;;;;;;;AAWA;AACA;AACA;AACA;AACA;AACA;AACA;cAGwBwI,M;IAAhBhV,W,WAAAA,W;AAER;;;;IAGMiV,8B;;;;;AAGJ;;;;AAIA,0BAAa5K,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACE/rB,iBAAK,CAAC4pB,gBADR,EAEE5pB,iBAAK,CAACiqB,aAFR,EAGEjqB,iBAAK,CAACyqB,mBAHR,EAIEzqB,iBAAK,CAAC6qB,sBAJR;AADgB,UANV+L,OAMU,GANqE,EAMrE;AAAA;AAMjB;AAED;;;;;;iBAIOC,oB,GAAP,8BAA6B32B,IAA7B,EAAiE;AAC/D,WAAQA,IAAI,KAAK6sB,mBAAmB,CAAC+J,WAA7B,IACN52B,IAAI,KAAK6sB,mBAAmB,CAACgK,cAD/B;AAED;AAED;;;;;;;iBAKOC,qB,GAAP,+BAA8BC,OAA9B,EAAiF;AAAA,QACvE/2B,IADuE,GAC9D+2B,OAD8D,CACvE/2B,IADuE;;AAG/E,YAAQA,IAAR;AACA,WAAK6sB,mBAAmB,CAAC+J,WAAzB;AACE,eAAO9J,iBAAiB,CAACe,KAAzB;;AACF,WAAKhB,mBAAmB,CAACgK,cAAzB;AACE,eAAO/J,iBAAiB,CAACkK,QAAzB;;AACF;AACE,eAAOlK,iBAAiB,CAACmK,IAAzB;AANF;AAQD,G;;iBAEMC,c,GAAP,wBAAuBC,QAAvB,EAAiDJ,OAAjD,EAAyF;AACvF,QAAI9R,GAAG,GAAGkS,QAAQ,CAAClS,GAAnB,CADuF,CAEvF;AACA;;AACA,QAAIA,GAAG,KAAK/mB,SAAR,IAAqB+mB,GAAG,CAAC3jB,OAAJ,CAAY,OAAZ,MAAyB,CAAlD,EAAqD;AACnD;AACA2jB,SAAG,GAAG8R,OAAO,CAAC9R,GAAd;AACD;;AACD,WAAOA,GAAP;AACD;AAED;;;;;;;;;;SAMAmS,oB,GAAA,8BAAsBL,OAAtB,EAAqF;AACnF,QAAMx4B,MAAM,GAAG,KAAKstB,GAAL,CAASttB,MAAxB;AACA,QAAM84B,OAAO,GAAG94B,MAAM,CAAC+4B,OAAvB;AACA,QAAMC,MAAM,GAAGh5B,MAAM,CAACmwB,MAAtB,CAHmF,CAInF;;AACA,QAAM8I,cAAc,GAAGH,OAAO,IAAIE,MAAlC;AAEA,QAAM7I,MAAM,GAAG,IAAI8I,cAAJ,CAAmBj5B,MAAnB,CAAf,CAPmF,CASnF;;AACAw4B,WAAO,CAACrI,MAAR,GAAiBA,MAAjB;AACA,SAAKgI,OAAL,CAAaK,OAAO,CAAC/2B,IAArB,IAA6B0uB,MAA7B;AAEA,WAAOA,MAAP;AACD,G;;SAED+I,iB,GAAA,2BAAmBV,OAAnB,EAA8F;AAC5F,WAAO,KAAKL,OAAL,CAAaK,OAAO,CAAC/2B,IAArB,CAAP;AACD,G;;SAED03B,mB,GAAA,6BAAqBC,WAArB,EAAuD;AACrD,QAAI,KAAKjB,OAAL,CAAaiB,WAAb,CAAJ,EAA+B;AAC7B,aAAO,KAAKjB,OAAL,CAAaiB,WAAb,CAAP;AACD;AACF;AAED;;;;;SAGAC,sB,GAAA,kCAA0B;AACxB,SAAK,IAAID,WAAT,IAAwB,KAAKjB,OAA7B,EAAsC;AACpC,UAAIhI,MAAM,GAAG,KAAKgI,OAAL,CAAaiB,WAAb,CAAb;;AACA,UAAIjJ,MAAJ,EAAY;AACVA,cAAM,CAACzwB,OAAP;AACD;;AAED,WAAKy5B,mBAAL,CAAyBC,WAAzB;AACD;AACF,G;;SAED15B,O,GAAA,mBAAW;AACT,SAAK25B,sBAAL;;AAEA,4BAAM35B,OAAN;AACD,G;;SAED45B,iB,GAAA,2BAAmBh/B,IAAnB,EAA2C;AACzC,SAAKi/B,IAAL,CAAU;AACR7S,SAAG,EAAEpsB,IAAI,CAACosB,GADF;AAERjlB,UAAI,EAAE6sB,mBAAmB,CAACkL,QAFlB;AAGRvJ,WAAK,EAAE,CAHC;AAIR7qB,QAAE,EAAE,IAJI;AAKRq0B,kBAAY,EAAE;AALN,KAAV;AAOD,G;;SAEDC,c,GAAA,wBAAgBp/B,IAAhB,EAAiF;AAC/E,SAAKi/B,IAAL,CAAU;AACR7S,SAAG,EAAEpsB,IAAI,CAACosB,GADF;AAERjlB,UAAI,EAAE6sB,mBAAmB,CAACqL,KAFlB;AAGR1J,WAAK,EAAE31B,IAAI,CAAC21B,KAHJ;AAIR7qB,QAAE,EAAE9K,IAAI,CAAC8K,EAJD;AAKRq0B,kBAAY,EAAE;AALN,KAAV;AAOD,G;;SAEDG,mB,GAAA,6BAAqBt/B,IAArB,EAAgE;AAC9D,SAAKi/B,IAAL,CAAU;AACR7S,SAAG,EAAEpsB,IAAI,CAACosB,GADF;AAERjlB,UAAI,EAAE6sB,mBAAmB,CAAC+J,WAFlB;AAGRpI,WAAK,EAAE,IAHC;AAIR7qB,QAAE,EAAE9K,IAAI,CAAC8K,EAJD;AAKRq0B,kBAAY,EAAE;AALN,KAAV;AAOD,G;;SAEDI,sB,GAAA,gCAAwBv/B,IAAxB,EAAmE;AACjE,SAAKi/B,IAAL,CAAU;AACR7S,SAAG,EAAEpsB,IAAI,CAACosB,GADF;AAERjlB,UAAI,EAAE6sB,mBAAmB,CAACgK,cAFlB;AAGRrI,WAAK,EAAE,IAHC;AAIR7qB,QAAE,EAAE9K,IAAI,CAAC8K,EAJD;AAKRq0B,kBAAY,EAAE;AALN,KAAV;AAOD,G;;SAEDF,I,GAAA,cAAMf,OAAN,EAA+C;AAC7C,QAAMx4B,MAAM,GAAG,KAAKstB,GAAL,CAASttB,MAAxB;AAEAU,oBAAM,CAAC6R,KAAP,+BAAyCimB,OAAO,CAAC/2B,IAAjD,iBAAiE+2B,OAAO,CAACvI,KAAzE,cAAuFuI,OAAO,CAACpzB,EAA/F,EAH6C,CAK7C;;AACA,QAAI+qB,MAAM,GAAG,KAAK+I,iBAAL,CAAuBV,OAAvB,CAAb;;AACA,QAAIrI,MAAJ,EAAY;AACV,UAAM2J,aAAa,GAAG3J,MAAM,CAACqI,OAA7B;;AACA,UAAIsB,aAAa,IAAIA,aAAa,CAACpT,GAAd,KAAsB8R,OAAO,CAAC9R,GAAnD,EAAwD;AAAE;AACxDhmB,wBAAM,CAAC6hB,KAAP,CAAa,0BAAb;AACA,eAAO,KAAP;AACD,OAHD,MAGO;AACL7hB,wBAAM,CAACgN,IAAP,yCAAkD8qB,OAAO,CAAC/2B,IAA1D;AACA0uB,cAAM,CAAC4J,KAAP;AACD;AACF;;AAED,QAAIC,QAAJ;AACA,QAAIC,OAAJ;AACA,QAAIC,UAAJ;AACA,QAAIC,aAAJ,CArB6C,CAuB7C;AACA;;AACA,YAAQ3B,OAAO,CAAC/2B,IAAhB;AACA,WAAK6sB,mBAAmB,CAACkL,QAAzB;AACEQ,gBAAQ,GAAGh6B,MAAM,CAACo6B,uBAAlB;AACAH,eAAO,GAAGj6B,MAAM,CAACq6B,sBAAjB;AACAH,kBAAU,GAAGl6B,MAAM,CAACs6B,yBAApB;AACAH,qBAAa,GAAGn6B,MAAM,CAACu6B,8BAAvB;AACA;;AACF,WAAKjM,mBAAmB,CAACqL,KAAzB;AACE;AACAK,gBAAQ,GAAG,CAAX;AACAG,qBAAa,GAAG,CAAhB;AACAD,kBAAU,GAAG,CAAb;AACAD,eAAO,GAAGj6B,MAAM,CAACw6B,mBAAjB,CALF,CAME;;AACA;;AACF;AACER,gBAAQ,GAAGh6B,MAAM,CAACy6B,oBAAlB;AACAR,eAAO,GAAGj6B,MAAM,CAACw6B,mBAAjB;AACAN,kBAAU,GAAGl6B,MAAM,CAAC06B,sBAApB;AACAP,qBAAa,GAAGn6B,MAAM,CAAC26B,2BAAvB;AACA;AApBF;;AAuBAxK,UAAM,GAAG,KAAK0I,oBAAL,CAA0BL,OAA1B,CAAT;AAEA,QAAMoC,YAAiC,GAAG;AACxCX,aAAO,EAAPA,OADwC;AAExCD,cAAQ,EAARA,QAFwC;AAGxCE,gBAAU,EAAVA,UAHwC;AAIxCC,mBAAa,EAAbA;AAJwC,KAA1C;AAOA,QAAMU,eAAuD,GAAG;AAC9DC,eAAS,EAAE,KAAKC,WAAL,CAAiBtwB,IAAjB,CAAsB,IAAtB,CADmD;AAE9DuwB,aAAO,EAAE,KAAKC,SAAL,CAAexwB,IAAf,CAAoB,IAApB,CAFqD;AAG9DywB,eAAS,EAAE,KAAKC,WAAL,CAAiB1wB,IAAjB,CAAsB,IAAtB;AAHmD,KAAhE;AAMA/J,oBAAM,CAAC6R,KAAP,gDAA0DimB,OAAO,CAAC9R,GAAlE;AACAyJ,UAAM,CAACoJ,IAAP,CAAYf,OAAZ,EAAqBoC,YAArB,EAAmCC,eAAnC;AAEA,WAAO,IAAP;AACD,G;;SAEDE,W,GAAA,qBAAanC,QAAb,EAAuCjV,KAAvC,EAA2D6U,OAA3D,EAA2F4C,cAA3F,EAA2H;AAAA,QAAhCA,cAAgC;AAAhCA,oBAAgC,GAAN,IAAM;AAAA;;AACzH,QAAI5C,OAAO,CAAC6C,aAAZ,EAA2B;AACzB,WAAKC,kBAAL,CAAwB1C,QAAxB,EAAkCJ,OAAlC;;AACA,WAAK+C,qBAAL,CAA2B3C,QAA3B,EAAqCjV,KAArC,EAA4C6U,OAA5C,EAAqD4C,cAArD;;AACA;AACD;;AAED,SAAKjC,mBAAL,CAAyBX,OAAO,CAAC/2B,IAAjC;;AACA,QAAI,OAAOm3B,QAAQ,CAACt+B,IAAhB,KAAyB,QAA7B,EAAuC;AACrC,YAAM,IAAIiD,KAAJ,CAAU,oDAAV,CAAN;AACD;;AAED,QAAMs3B,MAAM,GAAG+D,QAAQ,CAACt+B,IAAxB;AAEAqpB,SAAK,CAAC6X,KAAN,GAAcvY,WAAW,CAACD,GAAZ,EAAd,CAdyH,CAezH;AAEA;;AACA,QAAI6R,MAAM,CAAC9xB,OAAP,CAAe,SAAf,MAA8B,CAAlC,EAAqC;AACnC,WAAK04B,2BAAL,CAAiC7C,QAAjC,EAA2CJ,OAA3C,EAAoD,qBAApD,EAA2E4C,cAA3E;;AACA;AACD,KArBwH,CAuBzH;;;AACA,QAAIvG,MAAM,CAAC9xB,OAAP,CAAe,UAAf,IAA6B,CAA7B,IAAkC8xB,MAAM,CAAC9xB,OAAP,CAAe,wBAAf,IAA2C,CAAjF,EAAoF;AAClF,WAAK24B,2BAAL,CAAiC9C,QAAjC,EAA2CjV,KAA3C,EAAkD6U,OAAlD,EAA2D4C,cAA3D;AACD,KAFD,MAEO;AACL,WAAKO,qBAAL,CAA2B/C,QAA3B,EAAqCjV,KAArC,EAA4C6U,OAA5C,EAAqD4C,cAArD;AACD;AACF,G;;SAEDH,S,GAAA,mBAAWrC,QAAX,EAAqCJ,OAArC,EAAqE4C,cAArE,EAA4F;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AAC1F,SAAKQ,mBAAL,CAAyBpD,OAAzB,EAAkC4C,cAAlC,EAAkD,KAAlD,EAAyDxC,QAAzD;AACD,G;;SAEDuC,W,GAAA,qBAAaxX,KAAb,EAAiC6U,OAAjC,EAAiE4C,cAAjE,EAAwF;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AACtF,SAAKQ,mBAAL,CAAyBpD,OAAzB,EAAkC4C,cAAlC,EAAkD,IAAlD;AACD,G,CAED;AACA;;;SACAO,qB,GAAA,+BAAuB/C,QAAvB,EAAiDjV,KAAjD,EAAqE6U,OAArE,EAAqG4C,cAArG,EAA8H;AAC5H,QAAM9N,GAAG,GAAG,KAAKA,GAAjB;AACA,QAAMuH,MAAM,GAAG+D,QAAQ,CAACt+B,IAAxB;AAEA,QAAMosB,GAAG,GAAGwR,cAAc,CAACS,cAAf,CAA8BC,QAA9B,EAAwCJ,OAAxC,CAAZ;AACA,QAAM1D,MAAM,GAAGZ,sBAAU,CAACU,mBAAX,CAA+BC,MAA/B,EAAuCnO,GAAvC,CAAf;;AACA,QAAI,CAACoO,MAAM,CAACz3B,MAAZ,EAAoB;AAClB,WAAKo+B,2BAAL,CAAiC7C,QAAjC,EAA2CJ,OAA3C,EAAoD,4BAApD,EAAkF4C,cAAlF;;AACA;AACD,KAT2H,CAW5H;;;AACA,QAAM3F,WAA8B,GAAGX,MAAM,CAACjL,GAAP,CAAW,UAAAoG,KAAK;AAAA,aAAK;AAC1D7qB,UAAE,EAAE6qB,KAAK,CAAC+B,KAAN,CAAY1C,KAD0C;AAE1DpsB,aAAK,EAAE+sB,KAAK,CAAC/tB;AAF6C,OAAL;AAAA,KAAhB,CAAvC;AAKA,QAAM25B,WAAW,GAAG3H,sBAAU,CAACsB,wBAAX,CAAoCX,MAApC,EAA4CnO,GAA5C,EAAiD,OAAjD,EAA0D+O,WAA1D,CAApB;AACA,QAAMqG,SAAS,GAAG5H,sBAAU,CAACsB,wBAAX,CAAoCX,MAApC,EAA4CnO,GAA5C,EAAiD,WAAjD,CAAlB;;AAEA,QAAImV,WAAW,CAACx+B,MAAhB,EAAwB;AACtB;AACA,UAAI0+B,kBAAkB,GAAG,KAAzB;AACAF,iBAAW,CAAC/oB,OAAZ,CAAoB,UAAAhE,UAAU,EAAI;AAChC,YAAI,CAACA,UAAU,CAAC4X,GAAhB,EAAqB;AACnBqV,4BAAkB,GAAG,IAArB;AACD;AACF,OAJD,EAHsB,CAStB;AACA;AACA;AACA;;AACA,UAAIA,kBAAkB,KAAK,KAAvB,IAAgCjH,MAAM,CAAC,CAAD,CAAN,CAAU5yB,UAA1C,IAAwD,CAAC4yB,MAAM,CAAC,CAAD,CAAN,CAAU9C,KAAV,CAAgB1C,KAA7E,EAAoF;AAClF5uB,wBAAM,CAACC,GAAP,CAAW,yFAAX;AACAk7B,mBAAW,CAACG,OAAZ,CAAoB;AAClBv6B,cAAI,EAAE,MADY;AAElBjH,cAAI,EAAE,MAFY;AAGlBu7B,iBAAO,EAAE,KAHS;AAIlBE,oBAAU,EAAE,KAJM;AAKlBE,gBAAM,EAAE,KALU;AAMlB/wB,YAAE,EAAE,CAAC;AANa,SAApB;AAQD;AACF;;AAEDkoB,OAAG,CAAChsB,OAAJ,CAAYC,iBAAK,CAAC6pB,eAAlB,EAAmC;AACjC0J,YAAM,EAANA,MADiC;AAEjC+G,iBAAW,EAAXA,WAFiC;AAGjCC,eAAS,EAATA,SAHiC;AAIjCpV,SAAG,EAAHA,GAJiC;AAKjC/C,WAAK,EAALA,KALiC;AAMjCyX,oBAAc,EAAdA;AANiC,KAAnC;AAQD,G;;SAEDM,2B,GAAA,qCAA6B9C,QAA7B,EAAuDjV,KAAvD,EAA2E6U,OAA3E,EAA2G4C,cAA3G,EAAoI;AAClI,QAAM9N,GAAG,GAAG,KAAKA,GAAjB;AADkI,QAG1HloB,EAH0H,GAGtGozB,OAHsG,CAG1HpzB,EAH0H;AAAA,QAGtH6qB,KAHsH,GAGtGuI,OAHsG,CAGtHvI,KAHsH;AAAA,QAG/GxuB,IAH+G,GAGtG+2B,OAHsG,CAG/G/2B,IAH+G;AAKlI,QAAMilB,GAAG,GAAGwR,cAAc,CAACS,cAAf,CAA8BC,QAA9B,EAAwCJ,OAAxC,CAAZ,CALkI,CAOlI;;AACA,QAAM/B,UAAU,GAAG,0CAAgBrxB,EAAhB,IAAgCA,EAAhC,GAA+C,CAAlE;AACA,QAAM62B,OAAO,GAAG,0CAAgBhM,KAAhB,IAAmCA,KAAnC,GAAqDwG,UAArE;AAEA,QAAMyF,SAAS,GAAGhE,cAAc,CAACK,qBAAf,CAAqCC,OAArC,CAAlB;AACA,QAAM2D,YAAY,GAAGjI,sBAAU,CAACsC,kBAAX,CAA8BoC,QAAQ,CAACt+B,IAAvC,EAAuDosB,GAAvD,EAA4DuV,OAA5D,EAAqEC,SAArE,EAAgFzF,UAAhF,CAArB,CAZkI,CAclI;AACA;;AACC0F,gBAAD,CAAsBX,KAAtB,GAA8B7X,KAAK,CAAC6X,KAApC,CAhBkI,CAkBlI;AACA;AACA;AACA;;AACA,QAAI/5B,IAAI,KAAK6sB,mBAAmB,CAACkL,QAAjC,EAA2C;AACzC,UAAM4C,WAAW,GAAG;AAClB1V,WAAG,EAAHA,GADkB;AAElB9kB,eAAO,EAAEu6B;AAFS,OAApB;AAKA7O,SAAG,CAAChsB,OAAJ,CAAYC,iBAAK,CAAC6pB,eAAlB,EAAmC;AACjC0J,cAAM,EAAE,CAACsH,WAAD,CADyB;AAEjCP,mBAAW,EAAE,EAFoB;AAGjCnV,WAAG,EAAHA,GAHiC;AAIjC/C,aAAK,EAALA,KAJiC;AAKjCyX,sBAAc,EAAdA;AALiC,OAAnC;AAOD,KAnCiI,CAqClI;;;AACAzX,SAAK,CAAC0Y,OAAN,GAAgBpZ,WAAW,CAACD,GAAZ,EAAhB,CAtCkI,CAwClI;AACA;AACA;;AACA,QAAImZ,YAAY,CAAC5K,cAAjB,EAAiC;AAC/B,UAAM+K,OAAO,GAAGH,YAAY,CAACp3B,WAAb,CAAyB2hB,GAAzC;AACA,WAAK6S,IAAL,CAAU;AACR7S,WAAG,EAAE4V,OADG;AAERjB,qBAAa,EAAE,IAFP;AAGR55B,YAAI,EAAJA,IAHQ;AAIRwuB,aAAK,EAALA,KAJQ;AAKRkM,oBAAY,EAAZA,YALQ;AAMR/2B,UAAE,EAAFA,EANQ;AAORm3B,kBAAU,EAAE,CAPJ;AAQRC,gBAAQ,EAAE,IARF;AASR/C,oBAAY,EAAE;AATN,OAAV;AAWA;AACD,KAzDiI,CA2DlI;;;AACAjB,WAAO,CAAC2D,YAAR,GAAuBA,YAAvB;;AAEA,SAAKZ,qBAAL,CAA2B3C,QAA3B,EAAqCjV,KAArC,EAA4C6U,OAA5C,EAAqD4C,cAArD;AACD,G;;SAEDE,kB,GAAA,4BAAoB1C,QAApB,EAA8CJ,OAA9C,EAA8E;AAC5E,QAAI,OAAOI,QAAQ,CAACt+B,IAAhB,KAAyB,QAA7B,EAAuC;AACrC,YAAM,IAAIiD,KAAJ,CAAU,6DAAV,CAAN;AACD;;AAED,QAAMk/B,QAAQ,GAAGxY,qBAAU,CAACoE,iBAAX,CAA6B,IAAIrgB,UAAJ,CAAe4wB,QAAQ,CAACt+B,IAAxB,CAA7B,CAAjB,CAL4E,CAM5E;;AACA,QAAI,CAACmiC,QAAL,EAAe;AACb;AACD;;AACD,QAAMC,cAAc,GAAGD,QAAQ,CAACjU,UAAhC;AACA,QAAM2T,YAAY,GAAG3D,OAAO,CAAC2D,YAA7B;AACAO,kBAAc,CAAC5pB,OAAf,CAAuB,UAAC6pB,UAAD,EAAana,KAAb,EAAuB;AAC5C,UAAMoa,UAAU,GAAGD,UAAU,CAAChX,IAA9B;;AACA,UAAI,CAACwW,YAAL,EAAmB;AACjB;AACD;;AACD,UAAM9qB,IAAI,GAAG8qB,YAAY,CAAC9K,SAAb,CAAuB7O,KAAvB,CAAb;;AACA,UAAInR,IAAI,CAACmf,SAAL,CAAenzB,MAAf,KAA0B,CAA9B,EAAiC;AAC/BgU,YAAI,CAAC+e,YAAL,CAAkBvK,MAAM,CAAC,IAAI+W,UAAU,CAACxa,GAAf,GAAqBwa,UAAU,CAACpuB,KAAjC,CAAN,GAAgD,GAAhD,GAAsDqX,MAAM,CAAC+W,UAAU,CAACpuB,KAAZ,CAA9E;AACD;AACF,KATD;;AAWA,QAAI2tB,YAAJ,EAAkB;AAChBA,kBAAY,CAACp3B,WAAb,CAAyBqrB,YAAzB,CAAsCvK,MAAM,CAAC4W,QAAQ,CAACnU,aAAV,CAAN,GAAiC,IAAvE;AACD;AACF,G;;SAEDmT,2B,GAAA,qCAA6B7C,QAA7B,EAAuDJ,OAAvD,EAAuFx2B,MAAvF,EAAuGo5B,cAAvG,EAAgI;AAC9H,SAAK9N,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,UAAI,EAAEC,oBAAU,CAACm7B,aADW;AAE5Bj7B,aAAO,EAAEC,sBAAY,CAACi7B,sBAFM;AAG5B/6B,WAAK,EAAE,IAHqB;AAI5B2kB,SAAG,EAAEkS,QAAQ,CAAClS,GAJc;AAK5B1kB,YAAM,EAANA,MAL4B;AAM5Bo5B,oBAAc,EAAdA;AAN4B,KAA9B;AAQD,G;;SAEDQ,mB,GAAA,6BAAqBpD,OAArB,EAAqD4C,cAArD,EAA8EnB,OAA9E,EAAwGrB,QAAxG,EAAgJ;AAAA,QAAlEqB,OAAkE;AAAlEA,aAAkE,GAA/C,KAA+C;AAAA;;AAAA,QAAxCrB,QAAwC;AAAxCA,cAAwC,GAAN,IAAM;AAAA;;AAC9Il4B,oBAAM,CAACilB,IAAP,8CAAuD6S,OAAO,CAAC/2B,IAA/D;AAEA,QAAIG,OAAJ;AACA,QAAIG,KAAJ;AAEA,QAAMouB,MAAM,GAAG,KAAK+I,iBAAL,CAAuBV,OAAvB,CAAf;;AAEA,YAAQA,OAAO,CAAC/2B,IAAhB;AACA,WAAK6sB,mBAAmB,CAACkL,QAAzB;AACE53B,eAAO,GAAIq4B,OAAO,GAAGp4B,sBAAY,CAACk7B,qBAAhB,GAAwCl7B,sBAAY,CAACm7B,mBAAvE;AACAj7B,aAAK,GAAG,IAAR;AACA;;AACF,WAAKusB,mBAAmB,CAACqL,KAAzB;AACE/3B,eAAO,GAAIq4B,OAAO,GAAGp4B,sBAAY,CAACo7B,kBAAhB,GAAqCp7B,sBAAY,CAACq7B,gBAApE;AACAn7B,aAAK,GAAG,KAAR;AACA;;AACF,WAAKusB,mBAAmB,CAAC+J,WAAzB;AACEz2B,eAAO,GAAIq4B,OAAO,GAAGp4B,sBAAY,CAACs7B,wBAAhB,GAA2Ct7B,sBAAY,CAACu7B,sBAA1E;AACAr7B,aAAK,GAAG,KAAR;AACA;;AACF;AACE;AACAA,aAAK,GAAG,KAAR;AAfF;;AAkBA,QAAIouB,MAAJ,EAAY;AACVA,YAAM,CAAC4J,KAAP;AACA,WAAKZ,mBAAL,CAAyBX,OAAO,CAAC/2B,IAAjC;AACD,KA7B6I,CA+B9I;;;AACA,QAAI47B,SAAc,GAAG;AACnB57B,UAAI,EAAEC,oBAAU,CAACm7B,aADE;AAEnBj7B,aAAO,EAAPA,OAFmB;AAGnBG,WAAK,EAALA,KAHmB;AAInB2kB,SAAG,EAAE8R,OAAO,CAAC9R,GAJM;AAKnByJ,YAAM,EAANA,MALmB;AAMnBqI,aAAO,EAAPA,OANmB;AAOnB4C,oBAAc,EAAdA;AAPmB,KAArB;;AAUA,QAAIxC,QAAJ,EAAc;AACZyE,eAAS,CAACzE,QAAV,GAAqBA,QAArB;AACD;;AAED,SAAKtL,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B67B,SAA9B;AACD,G;;SAED9B,qB,GAAA,+BAAuB3C,QAAvB,EAAiDjV,KAAjD,EAAqE6U,OAArE,EAAqG4C,cAArG,EAA8H;AAAA,QACpH35B,IADoH,GAClF+2B,OADkF,CACpH/2B,IADoH;AAAA,QAC9GwuB,KAD8G,GAClFuI,OADkF,CAC9GvI,KAD8G;AAAA,QACvG7qB,EADuG,GAClFozB,OADkF,CACvGpzB,EADuG;AAAA,QACnG+2B,YADmG,GAClF3D,OADkF,CACnG2D,YADmG;;AAG5H,QAAI,CAACA,YAAD,IAAiB,CAACA,YAAY,CAACxK,cAAnC,EAAmD;AACjD,WAAK8J,2BAAL,CAAiC7C,QAAjC,EAA2CJ,OAA3C,EAAoD,yBAApD,EAA+E4C,cAA/E;;AACA;AACD;;AAED,QAAMkC,aAAa,GAAGpF,cAAc,CAACE,oBAAf,CAAoCI,OAAO,CAAC/2B,IAA5C,CAAtB;;AACA,QAAI67B,aAAJ,EAAmB;AACjB,WAAKhQ,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAACkqB,YAAvB,EAAqC;AACnC7pB,eAAO,EAAEu6B,YAD0B;AAEnClM,aAAK,EAAEA,KAAK,IAAI,CAFmB;AAGnC7qB,UAAE,EAAEA,EAAE,IAAI,CAHyB;AAInCue,aAAK,EAALA,KAJmC;AAKnCyX,sBAAc,EAAdA;AALmC,OAArC;AAOD,KARD,MAQO;AACL,cAAQ35B,IAAR;AACA,aAAK6sB,mBAAmB,CAAC+J,WAAzB;AACE,eAAK/K,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAAC0qB,kBAAvB,EAA2C;AACzCrqB,mBAAO,EAAEu6B,YADgC;AAEzC/2B,cAAE,EAAFA,EAFyC;AAGzCue,iBAAK,EAALA,KAHyC;AAIzCyX,0BAAc,EAAdA;AAJyC,WAA3C;AAMA;;AACF,aAAK9M,mBAAmB,CAACgK,cAAzB;AACE,eAAKhL,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAAC8qB,qBAAvB,EAA8C;AAC5CzqB,mBAAO,EAAEu6B,YADmC;AAE5C/2B,cAAE,EAAFA,EAF4C;AAG5Cue,iBAAK,EAALA,KAH4C;AAI5CyX,0BAAc,EAAdA;AAJ4C,WAA9C;AAMA;AAhBF;AAkBD;AACF,G;;;EArf0B/N,a;;AAwfd6K,kFAAf,E;;;;;;;ACjhBA;;;AAIA;AACA;AACA;AACA;;IAEMqF,8B;;;;;AACJ,0BAAajQ,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EAAW/rB,iBAAK,CAACgrB,YAAjB;AACA,UAAK4L,OAAL,GAAe,EAAf;AAFgB;AAGjB;;;;SAEDz4B,O,GAAA,mBAAW;AACT,QAAIy4B,OAAO,GAAG,KAAKA,OAAnB;;AACA,SAAK,IAAIqF,UAAT,IAAuBrF,OAAvB,EAAgC;AAC9B,UAAIhI,MAAM,GAAGgI,OAAO,CAACqF,UAAD,CAApB;;AACA,UAAIrN,MAAJ,EAAY;AACVA,cAAM,CAACzwB,OAAP;AACD;AACF;;AACD,SAAKy4B,OAAL,GAAe,EAAf;;AAEA,4BAAMz4B,OAAN;AACD,G;;SAED+9B,a,GAAA,uBAAenjC,IAAf,EAAqB;AACnB,QAAM+W,IAAI,GAAG/W,IAAI,CAAC+W,IAAlB;AAAA,QACE5P,IAAI,GAAG4P,IAAI,CAAC5P,IADd;AAAA,QAEE02B,OAAO,GAAG,KAAKA,OAFjB;AAAA,QAGEn4B,MAAM,GAAG,KAAKstB,GAAL,CAASttB,MAHpB;AAAA,QAIE09B,eAAe,GAAG19B,MAAM,CAAC29B,OAJ3B;AAAA,QAKEC,cAAc,GAAG59B,MAAM,CAACmwB,MAL1B,CADmB,CAQnB;;AACA9e,QAAI,CAACwsB,MAAL,GAAc,CAAd;AAEA,QAAI1N,MAAM,GAAGgI,OAAO,CAAC12B,IAAD,CAApB;;AACA,QAAI0uB,MAAJ,EAAY;AACVzvB,sBAAM,CAACgN,IAAP,+CAAwDjM,IAAxD;AACA0uB,YAAM,CAAC4J,KAAP;AACD;;AAED5J,UAAM,GAAGgI,OAAO,CAAC12B,IAAD,CAAP,GAAgB4P,IAAI,CAAC8e,MAAL,GACvBnwB,MAAM,CAAC29B,OAAP,GAAiB,IAAID,eAAJ,CAAoB19B,MAApB,CAAjB,GAA+C,IAAI49B,cAAJ,CAAmB59B,MAAnB,CADjD;AAGA,QAAI85B,aAAJ,EAAmBc,YAAnB,EAAiCC,eAAjC;AAEAf,iBAAa,GAAG;AAAEpT,SAAG,EAAErV,IAAI,CAACqV,GAAZ;AAAiBrV,UAAI,EAAEA,IAAvB;AAA6BooB,kBAAY,EAAE,aAA3C;AAA0DqE,kBAAY,EAAE;AAAxE,KAAhB;AAEA,QAAItvB,KAAK,GAAG6C,IAAI,CAAC0sB,oBAAjB;AAAA,QACE3b,GAAG,GAAG/Q,IAAI,CAACof,kBADb;;AAGA,QAAI,0CAAgBjiB,KAAhB,KAA0B,0CAAgB4T,GAAhB,CAA9B,EAAoD;AAClD0X,mBAAa,CAACyC,UAAd,GAA2B/tB,KAA3B;AACAsrB,mBAAa,CAAC0C,QAAd,GAAyBpa,GAAzB;AACD;;AAEDwY,gBAAY,GAAG;AACbX,aAAO,EAAEj6B,MAAM,CAACg+B,kBADH;AAEbhE,cAAQ,EAAE,CAFG;AAGbE,gBAAU,EAAE,CAHC;AAIbC,mBAAa,EAAEn6B,MAAM,CAACi+B;AAJT,KAAf;AAOApD,mBAAe,GAAG;AAChBC,eAAS,EAAE,KAAKC,WAAL,CAAiBtwB,IAAjB,CAAsB,IAAtB,CADK;AAEhBuwB,aAAO,EAAE,KAAKC,SAAL,CAAexwB,IAAf,CAAoB,IAApB,CAFO;AAGhBywB,eAAS,EAAE,KAAKC,WAAL,CAAiB1wB,IAAjB,CAAsB,IAAtB,CAHK;AAIhByzB,gBAAU,EAAE,KAAKC,YAAL,CAAkB1zB,IAAlB,CAAuB,IAAvB;AAJI,KAAlB;AAOA0lB,UAAM,CAACoJ,IAAP,CAAYO,aAAZ,EAA2Bc,YAA3B,EAAyCC,eAAzC;AACD,G;;SAEDE,W,GAAA,qBAAanC,QAAb,EAAuBjV,KAAvB,EAA8B6U,OAA9B,EAAuC4C,cAAvC,EAA8D;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AAC5D,QAAIxhB,OAAO,GAAGgf,QAAQ,CAACt+B,IAAvB;AAAA,QAA6B+W,IAAI,GAAGmnB,OAAO,CAACnnB,IAA5C,CAD4D,CAE5D;;AACAA,QAAI,CAAC8e,MAAL,GAAcxwB,SAAd;AACA,SAAKw4B,OAAL,CAAa9mB,IAAI,CAAC5P,IAAlB,IAA0B9B,SAA1B;AACA,SAAK2tB,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAACmrB,WAAvB,EAAoC;AAAE9S,aAAO,EAAEA,OAAX;AAAoBvI,UAAI,EAAEA,IAA1B;AAAgCsS,WAAK,EAAEA,KAAvC;AAA8CyX,oBAAc,EAAEA;AAA9D,KAApC;AACD,G;;SAEDH,S,GAAA,mBAAWrC,QAAX,EAAqBJ,OAArB,EAA8B4C,cAA9B,EAAqD;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AACnD,QAAM/pB,IAAI,GAAGmnB,OAAO,CAACnnB,IAArB;AACA,QAAI8e,MAAM,GAAG9e,IAAI,CAAC8e,MAAlB;;AACA,QAAIA,MAAJ,EAAY;AACVA,YAAM,CAAC4J,KAAP;AACD;;AAED,SAAK5B,OAAL,CAAa9mB,IAAI,CAAC5P,IAAlB,IAA0B9B,SAA1B;AACA,SAAK2tB,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,UAAI,EAAEC,oBAAU,CAACm7B,aAAnB;AAAkCj7B,aAAO,EAAEC,sBAAY,CAACu8B,eAAxD;AAAyEr8B,WAAK,EAAE,KAAhF;AAAuFsP,UAAI,EAAEmnB,OAAO,CAACnnB,IAArG;AAA2GunB,cAAQ,EAAEA,QAArH;AAA+HwC,oBAAc,EAAEA;AAA/I,KAA9B;AACD,G;;SAEDD,W,GAAA,qBAAaxX,KAAb,EAAoB6U,OAApB,EAA6B4C,cAA7B,EAAoD;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AAClD,QAAM/pB,IAAI,GAAGmnB,OAAO,CAACnnB,IAArB;AACA,QAAI8e,MAAM,GAAG9e,IAAI,CAAC8e,MAAlB;;AACA,QAAIA,MAAJ,EAAY;AACVA,YAAM,CAAC4J,KAAP;AACD;;AAED,SAAK5B,OAAL,CAAa9mB,IAAI,CAAC5P,IAAlB,IAA0B9B,SAA1B;AACA,SAAK2tB,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,UAAI,EAAEC,oBAAU,CAACm7B,aAAnB;AAAkCj7B,aAAO,EAAEC,sBAAY,CAACw8B,iBAAxD;AAA2Et8B,WAAK,EAAE,KAAlF;AAAyFsP,UAAI,EAAEmnB,OAAO,CAACnnB,IAAvG;AAA6G+pB,oBAAc,EAAEA;AAA7H,KAA9B;AACD,G,CAED;;;SACA+C,Y,GAAA,sBAAcxa,KAAd,EAAqB6U,OAArB,EAA8Bl+B,IAA9B,EAAoC8gC,cAApC,EAA2D;AAAA,QAAvBA,cAAuB;AAAvBA,oBAAuB,GAAN,IAAM;AAAA;;AAAE;AAC3D,QAAI/pB,IAAI,GAAGmnB,OAAO,CAACnnB,IAAnB;AACAA,QAAI,CAACwsB,MAAL,GAAcla,KAAK,CAACka,MAApB;AACA,SAAKvQ,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAACirB,kBAAvB,EAA2C;AAAEnb,UAAI,EAAEA,IAAR;AAAcsS,WAAK,EAAEA,KAArB;AAA4ByX,oBAAc,EAAEA;AAA5C,KAA3C;AACD,G;;;EAvG0B/N,a;;AA0GdkQ,kFAAf,E;;;;ACnHA;;;AAIA;AACA;AACA;AACA;;IAaMe,oB;;;;;AAKJ,qBAAahR,GAAb,EAAuB;AAAA;;AACrB,qCAAMA,GAAN,EAAW/rB,iBAAK,CAACyrB,WAAjB;AADqB,UAJhBmL,OAIgB,GAJN,EAIM;AAAA,UAHhBoG,UAGgB,GAHgB,IAGhB;AAAA,UAFhBC,UAEgB,GAFY,IAEZ;AAAA;AAEtB;;;;SAED9+B,O,GAAA,mBAAiB;AACf,SAAK,IAAM89B,UAAX,IAAyB,KAAKrF,OAA9B,EAAuC;AACrC,UAAIhI,MAAM,GAAG,KAAKgI,OAAL,CAAaqF,UAAb,CAAb;;AACA,UAAIrN,MAAJ,EAAY;AACVA,cAAM,CAACzwB,OAAP;AACD;AACF;;AACD,SAAKy4B,OAAL,GAAe,EAAf;;AAEA,4BAAMz4B,OAAN;AACD,G;;SAED++B,Y,GAAA,sBAAcnkC,IAAd,EAAyC;AAAA,QAC/B+W,IAD+B,GACtB/W,IADsB,CAC/B+W,IAD+B;AAEvC,QAAM5P,IAAI,GAAG4P,IAAI,CAAC5P,IAAlB;AACA,QAAM0uB,MAAM,GAAG,KAAKgI,OAAL,CAAa12B,IAAb,CAAf;;AACA,QAAI,CAAC4P,IAAI,CAAClG,WAAV,EAAuB;AACrBzK,sBAAM,CAACgN,IAAP,CAAY,qDAAZ;AACA;AACD,KAPsC,CASvC;;;AACA,QAAMsjB,GAAG,GAAG3f,IAAI,CAAClG,WAAL,CAAiB6lB,GAA7B;;AACA,QAAIA,GAAG,KAAK,KAAKwN,UAAb,IAA2B,KAAKD,UAAL,KAAoB,IAAnD,EAAyD;AACvD,UAAIv+B,MAAM,GAAG,KAAKstB,GAAL,CAASttB,MAAtB;;AACA,UAAImwB,MAAJ,EAAY;AACVzvB,wBAAM,CAACgN,IAAP,yCAAkDjM,IAAlD;AACA0uB,cAAM,CAAC4J,KAAP;AACD;;AACD,UAAI,CAAC/I,GAAL,EAAU;AACRtwB,wBAAM,CAACgN,IAAP,CAAY,kBAAZ;AACA;AACD;;AAED2D,UAAI,CAAC8e,MAAL,GAAc,KAAKgI,OAAL,CAAa12B,IAAb,IAAqB,IAAIzB,MAAM,CAACmwB,MAAX,CAAkBnwB,MAAlB,CAAnC;AACA,WAAKw+B,UAAL,GAAkBxN,GAAlB;AACA,WAAKuN,UAAL,GAAkB,IAAlB;AAEA,UAAMzE,aAA+B,GAAG;AACtCpT,WAAG,EAAEsK,GADiC;AAEtC3f,YAAI,EAAEA,IAFgC;AAGtCooB,oBAAY,EAAE;AAHwB,OAAxC,CAfuD,CAqBvD;AACA;AACA;;AACA,UAAMmB,YAAiC,GAAG;AACxCX,eAAO,EAAEj6B,MAAM,CAACg+B,kBADwB;AAExChE,gBAAQ,EAAE,CAF8B;AAGxCE,kBAAU,EAAEl6B,MAAM,CAAC0+B,qBAHqB;AAIxCvE,qBAAa,EAAEn6B,MAAM,CAACi+B;AAJkB,OAA1C;AAOA,UAAMpD,eAAkD,GAAG;AACzDC,iBAAS,EAAE,KAAKC,WAAL,CAAiBtwB,IAAjB,CAAsB,IAAtB,CAD8C;AAEzDuwB,eAAO,EAAE,KAAKC,SAAL,CAAexwB,IAAf,CAAoB,IAApB,CAFgD;AAGzDywB,iBAAS,EAAE,KAAKC,WAAL,CAAiB1wB,IAAjB,CAAsB,IAAtB;AAH8C,OAA3D;AAMA4G,UAAI,CAAC8e,MAAL,CAAYoJ,IAAZ,CAAiBO,aAAjB,EAAgCc,YAAhC,EAA8CC,eAA9C;AACD,KAtCD,MAsCO,IAAI,KAAK0D,UAAT,EAAqB;AAC1B;AACAltB,UAAI,CAAClG,WAAL,CAAiB5Q,GAAjB,GAAuB,KAAKgkC,UAA5B;AACA,WAAKjR,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAAC0rB,UAAvB,EAAmC;AAAE5b,YAAI,EAAEA;AAAR,OAAnC;AACD;AACF,G;;SAED0pB,W,GAAA,qBAAanC,QAAb,EAAuCjV,KAAvC,EAA2D6U,OAA3D,EAAsF;AACpF,QAAInnB,IAAI,GAAGmnB,OAAO,CAACnnB,IAAnB;;AACA,QAAI,CAACA,IAAI,CAAClG,WAAV,EAAuB;AACrBzK,sBAAM,CAACU,KAAP,CAAa,mCAAb;AACA;AACD;;AACD,SAAKm9B,UAAL,GAAkBltB,IAAI,CAAClG,WAAL,CAAiB5Q,GAAjB,GAAuB,IAAIyN,UAAJ,CAAe4wB,QAAQ,CAACt+B,IAAxB,CAAzC,CANoF,CAQpF;;AACA+W,QAAI,CAAC8e,MAAL,GAAcxwB,SAAd;AACA,WAAO,KAAKw4B,OAAL,CAAa9mB,IAAI,CAAC5P,IAAlB,CAAP;AACA,SAAK6rB,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAAC0rB,UAAvB,EAAmC;AAAE5b,UAAI,EAAEA;AAAR,KAAnC;AACD,G;;SAED4pB,S,GAAA,mBAAWrC,QAAX,EAAqCJ,OAArC,EAAgE;AAC9D,QAAInnB,IAAI,GAAGmnB,OAAO,CAACnnB,IAAnB;AACA,QAAI8e,MAAM,GAAG9e,IAAI,CAAC8e,MAAlB;;AACA,QAAIA,MAAJ,EAAY;AACVA,YAAM,CAAC4J,KAAP;AACD;;AAED,WAAO,KAAK5B,OAAL,CAAa9mB,IAAI,CAAC5P,IAAlB,CAAP;AACA,SAAK6rB,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,UAAI,EAAEC,oBAAU,CAACm7B,aAAnB;AAAkCj7B,aAAO,EAAEC,sBAAY,CAAC88B,cAAxD;AAAwE58B,WAAK,EAAE,KAA/E;AAAsFsP,UAAI,EAAJA,IAAtF;AAA4FunB,cAAQ,EAARA;AAA5F,KAA9B;AACD,G;;SAEDuC,W,GAAA,qBAAaxX,KAAb,EAAiC6U,OAAjC,EAA4D;AAC1D,QAAInnB,IAAI,GAAGmnB,OAAO,CAACnnB,IAAnB;AACA,QAAI8e,MAAM,GAAG9e,IAAI,CAAC8e,MAAlB;;AACA,QAAIA,MAAJ,EAAY;AACVA,YAAM,CAAC4J,KAAP;AACD;;AAED,WAAO,KAAK5B,OAAL,CAAa9mB,IAAI,CAAC5P,IAAlB,CAAP;AACA,SAAK6rB,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAAEC,UAAI,EAAEC,oBAAU,CAACm7B,aAAnB;AAAkCj7B,aAAO,EAAEC,sBAAY,CAAC+8B,gBAAxD;AAA0E78B,WAAK,EAAE,KAAjF;AAAwFsP,UAAI,EAAJA;AAAxF,KAA9B;AACD,G;;;EA/GqBgc,a;;AAkHTiR,mEAAf,E;;;;;;ACtIA;AACA;AAEO,IAAMO,aAAa,GAAG;AAC3BC,YAAU,EAAE,YADe;AAE3BC,WAAS,EAAE,WAFgB;AAG3BC,SAAO,EAAE,SAHkB;AAI3BC,IAAE,EAAE;AAJuB,CAAtB;AAOA,IAAMC,gCAAb;AAAA;AAAA;AAAA;;AACE,2BAAa5R,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACE/rB,iBAAK,CAACwpB,eADR,EAEExpB,iBAAK,CAACorB,aAFR,EAGEprB,iBAAK,CAACmrB,WAHR;AAMA,UAAKyS,aAAL,GAAqB,GAArB;AAEA,UAAK9N,SAAL,GAAiBjT,MAAM,CAACghB,MAAP,CAAc,IAAd,CAAjB;AACA,UAAKC,UAAL,GAAkBjhB,MAAM,CAACghB,MAAP,CAAc,IAAd,CAAlB;AAEA,UAAKp/B,MAAL,GAAcstB,GAAG,CAACttB,MAAlB;AAZgB;AAajB;;AAdH;;AAAA,SAgBEN,OAhBF,GAgBE,mBAAW;AACT,SAAK2xB,SAAL,GAAiBjT,MAAM,CAACghB,MAAP,CAAc,IAAd,CAAjB;AACA,SAAKC,UAAL,GAAkBjhB,MAAM,CAACghB,MAAP,CAAc,IAAd,CAAlB;AACA,SAAKp/B,MAAL,GAAc,IAAd;AACAqtB,iBAAY,CAACxT,SAAb,CAAuBna,OAAvB,CAA+Boa,IAA/B,CAAoC,IAApC;;AACA,4BAAMpa,OAAN;AACD;AAED;;;;;;;AAxBF;;AAAA,SA+BE4/B,eA/BF,GA+BE,yBAAiBx3B,QAAjB,EAA2Bo0B,SAA3B,EAAsC;AACpC,QAAM7K,SAAS,GAAG,KAAKA,SAAvB;AACA,QAAMkO,aAAa,GAAGnhB,MAAM,CAACC,IAAP,CAAYgT,SAAZ,EAAuB1P,MAAvB,CAA8B,UAAApnB,GAAG,EAAI;AACzD,UAAMilC,cAAc,GAAGnO,SAAS,CAAC92B,GAAD,CAAhC;;AACA,UAAIilC,cAAc,CAACC,IAAf,CAAoBh+B,IAApB,KAA6By6B,SAAjC,EAA4C;AAC1C,eAAO,KAAP;AACD;;AAED,UAAI,CAACsD,cAAc,CAACE,QAApB,EAA8B;AAC5B,eAAO,KAAP;AACD;;AAED,UAAMruB,IAAI,GAAGmuB,cAAc,CAACC,IAA5B;AACA,aAAOpuB,IAAI,CAACgM,QAAL,IAAiBvV,QAAjB,IAA6BA,QAAQ,IAAIuJ,IAAI,CAAC+L,MAArD;AACD,KAZqB,CAAtB;;AAaA,QAAImiB,aAAa,CAACliC,MAAd,KAAyB,CAA7B,EAAgC;AAC9B,aAAO,IAAP;AACD,KAFD,MAEO;AACL;AACA,UAAMsiC,eAAe,GAAGJ,aAAa,CAAC7H,GAAd,EAAxB;AACA,aAAOrG,SAAS,CAACsO,eAAD,CAAT,CAA2BF,IAAlC;AACD;AACF;AAED;;;;;;;AAvDF;;AAAA,SA8DEG,sBA9DF,GA8DE,gCAAwBC,gBAAxB,EAA0CC,SAA1C,EAAqD;AAAA;;AACnD,QAAIC,aAAJ,EAAmBC,IAAnB,CADmD,CAEnD;;AACA5hB,UAAM,CAACC,IAAP,CAAY,KAAKgT,SAAjB,EAA4Bve,OAA5B,CAAoC,UAAAvY,GAAG,EAAI;AACzC,UAAMilC,cAAc,GAAG,MAAI,CAACnO,SAAL,CAAe92B,GAAf,CAAvB;;AACA,UAAIilC,cAAc,CAACE,QAAf,KAA4B,IAAhC,EAAsC;AACpC,YAAMO,MAAM,GAAGT,cAAc,CAACU,KAAf,CAAqBL,gBAArB,CAAf;;AACA,YAAII,MAAJ,EAAY;AACVF,uBAAa,GAAGE,MAAM,CAACD,IAAvB;;AACA,eAAK,IAAIhkC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG+jC,aAAa,CAAC1iC,MAAlC,EAA0CrB,CAAC,EAA3C,EAA+C;AAC7CgkC,gBAAI,GAAGD,aAAa,CAAC/jC,CAAD,CAApB;;AAEA,gBAAI,MAAI,CAACmkC,cAAL,CAAoBH,IAAI,CAAC3iB,QAAzB,EAAmC2iB,IAAI,CAAC5iB,MAAxC,EAAgD0iB,SAAhD,MAA+D,KAAnE,EAA0E;AACxE;AACA,oBAAI,CAACM,cAAL,CAAoBZ,cAAc,CAACC,IAAnC;;AACA;AACD;AACF;AACF;AACF;AACF,KAjBD;AAkBD;AAED;;;;;AArFF;;AAAA,SA0FEY,sBA1FF,GA0FE,gCAAwB3W,QAAxB,EAAkC;AAAA;;AAChC,QAAI4W,OAAO,GAAG,KAAKC,cAAL,CAAoB7W,QAApB,CAAd;AACA,QAAI8V,cAAc,GAAG,KAAKnO,SAAL,CAAeiP,OAAf,CAArB;;AACA,QAAId,cAAJ,EAAoB;AAClBA,oBAAc,CAACE,QAAf,GAA0B,IAA1B;AAEAthB,YAAM,CAACC,IAAP,CAAY,KAAKghB,UAAjB,EAA6BvsB,OAA7B,CAAqC,UAAA+sB,gBAAgB,EAAI;AACvD,YAAInW,QAAQ,CAACiH,mBAAT,CAA6BkP,gBAA7B,CAAJ,EAAoD;AAClD,cAAIC,SAAS,GAAG,MAAI,CAACT,UAAL,CAAgBQ,gBAAhB,CAAhB,CADkD,CAElD;AACA;;AACAL,wBAAc,CAACU,KAAf,CAAqBL,gBAArB,IAAyC,MAAI,CAACW,gBAAL,CAAsB9W,QAAQ,CAACrM,QAA/B,EAAyCqM,QAAQ,CAACtM,MAAlD,EAA0D0iB,SAA1D,CAAzC;AACD;AACF,OAPD;AAQD;AACF,GAzGH;;AAAA,SA2GEU,gBA3GF,GA2GE,0BAAkBnjB,QAAlB,EAA4BD,MAA5B,EAAoC0iB,SAApC,EAA+C;AAC7C,QAAIC,aAAa,GAAG,EAApB;AACA,QAAIvc,SAAJ,EAAeC,OAAf;AACA,QAAIgd,eAAe,GAAG,KAAtB;;AACA,SAAK,IAAIzkC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG8jC,SAAS,CAACziC,MAA9B,EAAsCrB,CAAC,EAAvC,EAA2C;AACzCwnB,eAAS,GAAGsc,SAAS,CAACtxB,KAAV,CAAgBxS,CAAhB,IAAqB,KAAKmjC,aAAtC;AACA1b,aAAO,GAAGqc,SAAS,CAAC1d,GAAV,CAAcpmB,CAAd,IAAmB,KAAKmjC,aAAlC;;AACA,UAAI9hB,QAAQ,IAAImG,SAAZ,IAAyBpG,MAAM,IAAIqG,OAAvC,EAAgD;AAC9C;AACA;AACAsc,qBAAa,CAACr7B,IAAd,CAAmB;AACjB2Y,kBAAQ,EAAEnV,IAAI,CAAC+U,GAAL,CAASI,QAAT,EAAmByiB,SAAS,CAACtxB,KAAV,CAAgBxS,CAAhB,CAAnB,CADO;AAEjBohB,gBAAM,EAAElV,IAAI,CAACC,GAAL,CAASiV,MAAT,EAAiB0iB,SAAS,CAAC1d,GAAV,CAAcpmB,CAAd,CAAjB;AAFS,SAAnB;AAIA;AACD,OARD,MAQO,IAAIqhB,QAAQ,GAAGoG,OAAX,IAAsBrG,MAAM,GAAGoG,SAAnC,EAA8C;AACnD;AACA;AACAuc,qBAAa,CAACr7B,IAAd,CAAmB;AACjB2Y,kBAAQ,EAAEnV,IAAI,CAAC+U,GAAL,CAASI,QAAT,EAAmByiB,SAAS,CAACtxB,KAAV,CAAgBxS,CAAhB,CAAnB,CADO;AAEjBohB,gBAAM,EAAElV,IAAI,CAACC,GAAL,CAASiV,MAAT,EAAiB0iB,SAAS,CAAC1d,GAAV,CAAcpmB,CAAd,CAAjB;AAFS,SAAnB;AAIAykC,uBAAe,GAAG,IAAlB;AACD,OARM,MAQA,IAAIrjB,MAAM,IAAIoG,SAAd,EAAyB;AAC9B;AACA;AACD;AACF;;AAED,WAAO;AACLwc,UAAI,EAAED,aADD;AAELW,aAAO,EAAED;AAFJ,KAAP;AAID,GA5IH;;AAAA,SA8IEF,cA9IF,GA8IE,wBAAgB7W,QAAhB,EAA0B;AACxB,WAAUA,QAAQ,CAACjoB,IAAnB,SAA2BioB,QAAQ,CAACuG,KAApC,SAA6CvG,QAAQ,CAACsG,KAAtD,SAA+DtG,QAAQ,CAACvP,EAAxE;AACD;AAED;;;;;AAlJF;;AAAA,SAuJEwmB,kBAvJF,GAuJE,4BAAoBX,IAApB,EAA0B;AAAA;;AACxB,QAAIY,WAAJ,EAAiBpd,SAAjB,EAA4BC,OAA5B;AACA,QAAIod,YAAY,GAAG,IAAnB;AACA,QAAIC,WAAW,GAAG,CAAlB;AACA1iB,UAAM,CAACC,IAAP,CAAY,KAAKgT,SAAjB,EAA4Bve,OAA5B,CAAoC,UAAAvY,GAAG,EAAI;AACzC,UAAMilC,cAAc,GAAG,MAAI,CAACnO,SAAL,CAAe92B,GAAf,CAAvB;;AACA,UAAI,MAAI,CAACwmC,SAAL,CAAevB,cAAf,CAAJ,EAAoC;AAClChc,iBAAS,GAAGgc,cAAc,CAACC,IAAf,CAAoBpiB,QAApB,GAA+B,MAAI,CAAC8hB,aAAhD;AACA1b,eAAO,GAAG+b,cAAc,CAACC,IAAf,CAAoBriB,MAApB,GAA6B,MAAI,CAAC+hB,aAA5C;;AACA,YAAIa,IAAI,IAAIxc,SAAR,IAAqBwc,IAAI,IAAIvc,OAAjC,EAA0C;AACxC;AACAmd,qBAAW,GAAG14B,IAAI,CAACC,GAAL,CAAS63B,IAAI,GAAGxc,SAAhB,EAA2BC,OAAO,GAAGuc,IAArC,CAAd;;AACA,cAAIc,WAAW,IAAIF,WAAnB,EAAgC;AAC9BC,wBAAY,GAAGrB,cAAc,CAACC,IAA9B;AACAqB,uBAAW,GAAGF,WAAd;AACD;AACF;AACF;AACF,KAdD;AAeA,WAAOC,YAAP;AACD;AAED;;;;AA7KF;;AAAA,SAiLEG,QAjLF,GAiLE,kBAAUtX,QAAV,EAAoB;AAClB,QAAI4W,OAAO,GAAG,KAAKC,cAAL,CAAoB7W,QAApB,CAAd;AACA,QAAI8V,cAAc,GAAG,KAAKnO,SAAL,CAAeiP,OAAf,CAArB;AACA,QAAIrrB,KAAK,GAAG4pB,aAAa,CAACC,UAA1B;;AAEA,QAAIU,cAAc,KAAK7/B,SAAvB,EAAkC;AAChC,UAAI,CAAC6/B,cAAc,CAACE,QAApB,EAA8B;AAC5BzqB,aAAK,GAAG4pB,aAAa,CAACE,SAAtB;AACD,OAFD,MAEO,IAAI,KAAKgC,SAAL,CAAevB,cAAf,MAAmC,IAAvC,EAA6C;AAClDvqB,aAAK,GAAG4pB,aAAa,CAACG,OAAtB;AACD,OAFM,MAEA;AACL/pB,aAAK,GAAG4pB,aAAa,CAACI,EAAtB;AACD;AACF;;AAED,WAAOhqB,KAAP;AACD,GAjMH;;AAAA,SAmME8rB,SAnMF,GAmME,mBAAWvB,cAAX,EAA2B;AACzB,WAAOA,cAAc,CAACE,QAAf,KAA4B,IAA5B,KACHF,cAAc,CAACU,KAAf,CAAqBnzB,KAArB,KAA+BpN,SAA/B,IAA4C6/B,cAAc,CAACU,KAAf,CAAqBnzB,KAArB,CAA2B2zB,OAA3B,KAAuC,IAApF,IACElB,cAAc,CAACU,KAAf,CAAqBlzB,KAArB,KAA+BrN,SAA/B,IAA4C6/B,cAAc,CAACU,KAAf,CAAqBlzB,KAArB,CAA2B0zB,OAA3B,KAAuC,IAFjF,CAAP;AAGD,GAvMH;;AAAA,SAyMEP,cAzMF,GAyME,wBAAgB9iB,QAAhB,EAA0BD,MAA1B,EAAkC0iB,SAAlC,EAA6C;AAC3C,QAAItc,SAAJ,EAAeC,OAAf;;AACA,SAAK,IAAIznB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG8jC,SAAS,CAACziC,MAA9B,EAAsCrB,CAAC,EAAvC,EAA2C;AACzCwnB,eAAS,GAAGsc,SAAS,CAACtxB,KAAV,CAAgBxS,CAAhB,IAAqB,KAAKmjC,aAAtC;AACA1b,aAAO,GAAGqc,SAAS,CAAC1d,GAAV,CAAcpmB,CAAd,IAAmB,KAAKmjC,aAAlC;;AACA,UAAI9hB,QAAQ,IAAImG,SAAZ,IAAyBpG,MAAM,IAAIqG,OAAvC,EAAgD;AAC9C,eAAO,IAAP;AACD;;AAED,UAAIrG,MAAM,IAAIoG,SAAd,EAAyB;AACvB;AACA,eAAO,KAAP;AACD;AACF;;AAED,WAAO,KAAP;AACD;AAED;;;AA3NF;;AAAA,SA8NEyd,YA9NF,GA8NE,sBAAc5gC,CAAd,EAAiB;AACf,QAAMqpB,QAAQ,GAAGrpB,CAAC,CAACgR,IAAnB,CADe,CAEf;AACA;;AACA,QAAI,CAAC,0CAAgBqY,QAAQ,CAACvP,EAAzB,CAAD,IAAiCuP,QAAQ,CAACwX,WAA9C,EAA2D;AACzD;AACD;;AAED,SAAK7P,SAAL,CAAe,KAAKkP,cAAL,CAAoB7W,QAApB,CAAf,IAAgD;AAC9C+V,UAAI,EAAE/V,QADwC;AAE9CwW,WAAK,EAAE9hB,MAAM,CAACghB,MAAP,CAAc,IAAd,CAFuC;AAG9CM,cAAQ,EAAE;AAHoC,KAAhD;AAKD;AAED;;;AA7OF;;AAAA,SAgPEyB,gBAhPF,GAgPE,0BAAkB9gC,CAAlB,EAAqB;AAAA;;AACnB;AACA,SAAKg/B,UAAL,GAAkBh/B,CAAC,CAACg/B,UAApB;AACAjhB,UAAM,CAACC,IAAP,CAAY,KAAKghB,UAAjB,EAA6BvsB,OAA7B,CAAqC,UAAA+sB,gBAAgB,EAAI;AACvD,UAAIC,SAAS,GAAG,MAAI,CAACT,UAAL,CAAgBQ,gBAAhB,CAAhB;;AACA,YAAI,CAACD,sBAAL,CAA4BC,gBAA5B,EAA8CC,SAA9C;AACD,KAHD;AAID;AAED;;;AAzPF;;AAAA,SA4PEsB,cA5PF,GA4PE,wBAAgB/gC,CAAhB,EAAmB;AACjB,SAAKggC,sBAAL,CAA4BhgC,CAAC,CAACgR,IAA9B;AACD;AAED;;;;;AAhQF;;AAAA,SAqQEgwB,WArQF,GAqQE,qBAAa3X,QAAb,EAAuB;AACrB,QAAM4W,OAAO,GAAG,KAAKC,cAAL,CAAoB7W,QAApB,CAAhB;AACA,WAAO,KAAK2H,SAAL,CAAeiP,OAAf,MAA4B3gC,SAAnC;AACD;AAED;;;;AA1QF;;AAAA,SA8QEygC,cA9QF,GA8QE,wBAAgB1W,QAAhB,EAA0B;AACxB,QAAI4W,OAAO,GAAG,KAAKC,cAAL,CAAoB7W,QAApB,CAAd;AACA,WAAO,KAAK2H,SAAL,CAAeiP,OAAf,CAAP;AACD;AAED;;;AAnRF;;AAAA,SAsREgB,kBAtRF,GAsRE,8BAAsB;AACpB,SAAKjQ,SAAL,GAAiBjT,MAAM,CAACghB,MAAP,CAAc,IAAd,CAAjB;AACD,GAxRH;;AAAA;AAAA,EAAqC/R,aAArC,E;;ACRA,IAAMkU,YAAY,GAAG;AAEnB;;;;;;;;;;;;;;;AAeAC,QAAM,EAAE,gBAAaC,IAAb,EAAwBC,YAAxB,EAA2E;AACjF,QAAIC,QAAgB,GAAG,CAAvB;AACA,QAAIC,QAAgB,GAAGH,IAAI,CAACpkC,MAAL,GAAc,CAArC;AACA,QAAIwkC,YAA2B,GAAG,IAAlC;AACA,QAAIC,cAAwB,GAAG,IAA/B;;AAEA,WAAOH,QAAQ,IAAIC,QAAnB,EAA6B;AAC3BC,kBAAY,GAAG,CAACF,QAAQ,GAAGC,QAAZ,IAAwB,CAAxB,GAA4B,CAA3C;AACAE,oBAAc,GAAGL,IAAI,CAACI,YAAD,CAArB;AAEA,UAAIE,gBAAgB,GAAGL,YAAY,CAACI,cAAD,CAAnC;;AACA,UAAIC,gBAAgB,GAAG,CAAvB,EAA0B;AACxBJ,gBAAQ,GAAGE,YAAY,GAAG,CAA1B;AACD,OAFD,MAEO,IAAIE,gBAAgB,GAAG,CAAvB,EAA0B;AAC/BH,gBAAQ,GAAGC,YAAY,GAAG,CAA1B;AACD,OAFM,MAEA;AACL,eAAOC,cAAP;AACD;AACF;;AAED,WAAO,IAAP;AACD;AAtCkB,CAArB;AAyCeP,8DAAf,E;;AC3CA;;;;;;;;;AAmBO,IAAMS,YAAb;AAAA;AAAA;AAAA;;AACE;;;;;;AADF,eAOSC,UAPT,GAOE,oBAAmBrM,KAAnB,EAAsC9tB,QAAtC,EAAiE;AAC/D,QAAI;AACF,UAAI8tB,KAAJ,EAAW;AACT,YAAI8J,QAAQ,GAAG9J,KAAK,CAAC8J,QAArB;;AACA,aAAK,IAAI1jC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG0jC,QAAQ,CAACriC,MAA7B,EAAqCrB,CAAC,EAAtC,EAA0C;AACxC,cAAI8L,QAAQ,IAAI43B,QAAQ,CAAClxB,KAAT,CAAexS,CAAf,CAAZ,IAAiC8L,QAAQ,IAAI43B,QAAQ,CAACtd,GAAT,CAAapmB,CAAb,CAAjD,EAAkE;AAChE,mBAAO,IAAP;AACD;AACF;AACF;AACF,KATD,CASE,OAAOoF,KAAP,EAAc,CACd;AACA;AACA;AACD;;AACD,WAAO,KAAP;AACD,GAvBH;;AAAA,eAyBS8gC,UAzBT,GAyBE,oBACEtM,KADF,EAEEjhB,GAFF,EAGEwtB,eAHF,EASE;AACA,QAAI;AACF,UAAIvM,KAAJ,EAAW;AACT,YAAIwM,SAAS,GAAGxM,KAAK,CAAC8J,QAAtB;AACA,YAAIA,QAA2B,GAAG,EAAlC;AACA,YAAI1jC,CAAJ;;AACA,aAAKA,CAAC,GAAG,CAAT,EAAYA,CAAC,GAAGomC,SAAS,CAAC/kC,MAA1B,EAAkCrB,CAAC,EAAnC,EAAuC;AACrC0jC,kBAAQ,CAACh7B,IAAT,CAAc;AAAE8J,iBAAK,EAAE4zB,SAAS,CAAC5zB,KAAV,CAAgBxS,CAAhB,CAAT;AAA6BomB,eAAG,EAAEggB,SAAS,CAAChgB,GAAV,CAAcpmB,CAAd;AAAlC,WAAd;AACD;;AAED,eAAO,KAAKqmC,YAAL,CAAkB3C,QAAlB,EAA4B/qB,GAA5B,EAAiCwtB,eAAjC,CAAP;AACD;AACF,KAXD,CAWE,OAAO/gC,KAAP,EAAc,CACd;AACA;AACA;AACD;;AACD,WAAO;AAAEmE,SAAG,EAAE,CAAP;AAAUiJ,WAAK,EAAEmG,GAAjB;AAAsByN,SAAG,EAAEzN,GAA3B;AAAgC2tB,eAAS,EAAE3iC;AAA3C,KAAP;AACD,GApDH;;AAAA,eAsDS0iC,YAtDT,GAsDE,sBACE3C,QADF,EAEE/qB,GAFF,EAGEwtB,eAHF,EASE;AACA;AACAzC,YAAQ,CAACxgB,IAAT,CAAc,UAAUC,CAAV,EAAahM,CAAb,EAAgB;AAC5B,UAAIovB,IAAI,GAAGpjB,CAAC,CAAC3Q,KAAF,GAAU2E,CAAC,CAAC3E,KAAvB;;AACA,UAAI+zB,IAAJ,EAAU;AACR,eAAOA,IAAP;AACD,OAFD,MAEO;AACL,eAAOpvB,CAAC,CAACiP,GAAF,GAAQjD,CAAC,CAACiD,GAAjB;AACD;AACF,KAPD;AASA,QAAIogB,SAA4B,GAAG,EAAnC;;AACA,QAAIL,eAAJ,EAAqB;AACnB;AACA;AACA;AACA,WAAK,IAAInmC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG0jC,QAAQ,CAACriC,MAA7B,EAAqCrB,CAAC,EAAtC,EAA0C;AACxC,YAAIymC,OAAO,GAAGD,SAAS,CAACnlC,MAAxB;;AACA,YAAIolC,OAAJ,EAAa;AACX,cAAIC,OAAO,GAAGF,SAAS,CAACC,OAAO,GAAG,CAAX,CAAT,CAAuBrgB,GAArC,CADW,CAEX;;AACA,cAAKsd,QAAQ,CAAC1jC,CAAD,CAAR,CAAYwS,KAAZ,GAAoBk0B,OAArB,GAAgCP,eAApC,EAAqD;AACnD;AACA;AACA;AACA;AACA,gBAAIzC,QAAQ,CAAC1jC,CAAD,CAAR,CAAYomB,GAAZ,GAAkBsgB,OAAtB,EAA+B;AAC7BF,uBAAS,CAACC,OAAO,GAAG,CAAX,CAAT,CAAuBrgB,GAAvB,GAA6Bsd,QAAQ,CAAC1jC,CAAD,CAAR,CAAYomB,GAAzC;AACD;AACF,WARD,MAQO;AACL;AACAogB,qBAAS,CAAC99B,IAAV,CAAeg7B,QAAQ,CAAC1jC,CAAD,CAAvB;AACD;AACF,SAfD,MAeO;AACL;AACAwmC,mBAAS,CAAC99B,IAAV,CAAeg7B,QAAQ,CAAC1jC,CAAD,CAAvB;AACD;AACF;AACF,KA1BD,MA0BO;AACLwmC,eAAS,GAAG9C,QAAZ;AACD;;AAED,QAAIiD,SAAS,GAAG,CAAhB,CA1CA,CA4CA;;AACA,QAAIC,eAAJ,CA7CA,CA+CA;;AACA,QAAIC,WAAmB,GAAGluB,GAA1B;AACA,QAAImuB,SAAiB,GAAGnuB,GAAxB;;AACA,SAAK,IAAI3Y,EAAC,GAAG,CAAb,EAAgBA,EAAC,GAAGwmC,SAAS,CAACnlC,MAA9B,EAAsCrB,EAAC,EAAvC,EAA2C;AACzC,UAAIwS,KAAK,GAAGg0B,SAAS,CAACxmC,EAAD,CAAT,CAAawS,KAAzB;AAAA,UACE4T,GAAG,GAAGogB,SAAS,CAACxmC,EAAD,CAAT,CAAaomB,GADrB,CADyC,CAGzC;;AACA,UAAKzN,GAAG,GAAGwtB,eAAP,IAA2B3zB,KAA3B,IAAoCmG,GAAG,GAAGyN,GAA9C,EAAmD;AACjD;AACAygB,mBAAW,GAAGr0B,KAAd;AACAs0B,iBAAS,GAAG1gB,GAAZ;AACAugB,iBAAS,GAAGG,SAAS,GAAGnuB,GAAxB;AACD,OALD,MAKO,IAAKA,GAAG,GAAGwtB,eAAP,GAA0B3zB,KAA9B,EAAqC;AAC1Co0B,uBAAe,GAAGp0B,KAAlB;AACA;AACD;AACF;;AACD,WAAO;AAAEjJ,SAAG,EAAEo9B,SAAP;AAAkBn0B,WAAK,EAAEq0B,WAAzB;AAAsCzgB,SAAG,EAAE0gB,SAA3C;AAAsDR,eAAS,EAAEM;AAAjE,KAAP;AACD,GAhIH,CAkIE;AACA;AACA;AApIF;;AAAA,eAqISG,6BArIT,GAqIE,uCAAqCnN,KAArC,EAA4CjhB,GAA5C,EAAiDquB,sBAAjD,EAAyE;AACvE,QAAMC,WAAW,GAAGrN,KAAK,GAAGA,KAAK,CAACqN,WAAT,GAAuBtjC,SAAhD,CADuE,CAGvE;;AACA,QAAIqiC,YAAY,CAACC,UAAb,CAAwBrM,KAAxB,EAA+BqN,WAA/B,CAAJ,EAAiD;AAC/C,aAAOtuB,GAAP;AACD;;AAED,QAAM+qB,QAAQ,GAAG9J,KAAK,CAAC8J,QAAvB;;AACA,SAAK,IAAI1jC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG0jC,QAAQ,CAACriC,MAA7B,EAAqCrB,CAAC,EAAtC,EAA0C;AACxC,UAAMwS,KAAK,GAAGkxB,QAAQ,CAAClxB,KAAT,CAAexS,CAAf,CAAd,CADwC,CAGxC;;AACA,UAAIwS,KAAK,GAAGy0B,WAAR,IAAuBz0B,KAAK,GAAGy0B,WAAW,GAAGD,sBAAjD,EAAyE;AACvE,eAAO96B,IAAI,CAAC6C,IAAL,CAAUyD,KAAK,GAAG,EAAlB,IAAwB,EAA/B;AACD;AACF;;AAED,WAAOmG,GAAP;AACD,GAxJH;;AAAA;AAAA,I;;;;;;;;;;;ACnBA;;;AAIO,SAASuuB,cAAT,GAA2D;AAChE,SAAQjL,MAAD,CAAgBxE,WAAhB,IAAgCwE,MAAD,CAAgBkL,iBAAtD;AACD,C;;;;;;;ACND;AAEA;;;;AAGO,IAAMC,QAAb;AAAA;AAAA;AAAA;;AAAA;AAAA;AAAA;;AAAA;;AACE;;;;;AADF,SAME9hC,OANF,GAME,iBAASgjB,KAAT,EAAmD;AAAA,sCAAxBhqB,IAAwB;AAAxBA,UAAwB;AAAA;;AACjD,SAAKiqB,IAAL,cAAUD,KAAV,EAAiBA,KAAjB,SAA2BhqB,IAA3B;AACD,GARH;;AAAA;AAAA,EAA8B+pB,6BAA9B,E;;;ACLA;AACA;AAEA;AACA;AACA;AACA;AACA;AACA;CAIA;;AACA,IAAMzkB,MAAM,GAAGC,sCAAY,EAA3B,C,CAA+B;;AAC/B,IAAM4zB,mBAAW,GAAGyP,cAAc,MAAM;AAAExP,iBAAe,EAAE;AAAA,WAAM,KAAN;AAAA;AAAnB,CAAxC;;IAEM2P,e;;;AACJ,mBAAa/V,GAAb,EAAkBloB,EAAlB,EAAsB;AAAA;;AACpB,SAAKkoB,GAAL,GAAWA,GAAX;AACA,SAAKloB,EAAL,GAAUA,EAAV;AAEA,QAAMrF,QAAQ,GAAG,KAAKA,QAAL,GAAgB,IAAIqjC,QAAJ,EAAjC;AACA,QAAMpjC,MAAM,GAAGstB,GAAG,CAACttB,MAAnB;;AAEA,QAAM0kB,cAAc,GAAG,SAAjBA,cAAiB,CAACC,EAAD,EAAKrqB,IAAL,EAAc;AACnCA,UAAI,GAAGA,IAAI,IAAI,EAAf;AACAA,UAAI,CAAC+W,IAAL,GAAY,KAAI,CAACA,IAAjB;AACA/W,UAAI,CAAC8K,EAAL,GAAU,KAAI,CAACA,EAAf;AACAkoB,SAAG,CAAChsB,OAAJ,CAAYqjB,EAAZ,EAAgBrqB,IAAhB;AACD,KALD,CAPoB,CAcpB;;;AACAyF,YAAQ,CAACmlB,EAAT,CAAY3jB,iBAAK,CAACmiB,cAAlB,EAAkCgB,cAAlC;AACA3kB,YAAQ,CAACmlB,EAAT,CAAY3jB,iBAAK,CAAC+c,yBAAlB,EAA6CoG,cAA7C;AACA3kB,YAAQ,CAACmlB,EAAT,CAAY3jB,iBAAK,CAAC6f,iBAAlB,EAAqCsD,cAArC;AACA3kB,YAAQ,CAACmlB,EAAT,CAAY3jB,iBAAK,CAACoc,WAAlB,EAA+B+G,cAA/B;AACA3kB,YAAQ,CAACmlB,EAAT,CAAY3jB,iBAAK,CAACC,KAAlB,EAAyBkjB,cAAzB;AACA3kB,YAAQ,CAACmlB,EAAT,CAAY3jB,iBAAK,CAACkhB,qBAAlB,EAAyCiC,cAAzC;AACA3kB,YAAQ,CAACmlB,EAAT,CAAY3jB,iBAAK,CAACmhB,qBAAlB,EAAyCgC,cAAzC;AACA3kB,YAAQ,CAACmlB,EAAT,CAAY3jB,iBAAK,CAAC4c,cAAlB,EAAkCuG,cAAlC;AAEA,QAAMtX,aAAa,GAAG;AACpBk2B,SAAG,EAAE7P,mBAAW,CAACC,eAAZ,CAA4B,WAA5B,CADe;AAEpBpjB,UAAI,EAAEmjB,mBAAW,CAACC,eAAZ,CAA4B,YAA5B,CAFc;AAGpBnjB,SAAG,EAAEkjB,mBAAW,CAACC,eAAZ,CAA4B,yBAA5B;AAHe,KAAtB,CAxBoB,CA6BpB;AACA;;AACA,QAAMpX,MAAM,GAAG9Z,SAAS,CAAC8Z,MAAzB;;AACA,QAAItc,MAAM,CAACujC,YAAP,IAAwB,OAAQC,MAAR,KAAoB,WAAhD,EAA8D;AAC5D9iC,sBAAM,CAACC,GAAP,CAAW,uBAAX;AACA,UAAI8iC,CAAJ;;AACA,UAAI;AACFA,SAAC,GAAG,KAAKA,CAAL,GAASC,kBAAI,CAACC,mBAAA,CAAgB,iEAAhB,CAAD,CAAjB;AACA,aAAKC,MAAL,GAAc,KAAKC,eAAL,CAAqBp5B,IAArB,CAA0B,IAA1B,CAAd;AACAg5B,SAAC,CAAC5e,gBAAF,CAAmB,SAAnB,EAA8B,KAAK+e,MAAnC;;AACAH,SAAC,CAACK,OAAF,GAAY,UAAUxf,KAAV,EAAiB;AAC3BgJ,aAAG,CAAChsB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AAAEC,gBAAI,EAAEC,oBAAU,CAAC0sB,WAAnB;AAAgCxsB,mBAAO,EAAEC,sBAAY,CAACwsB,kBAAtD;AAA0EtsB,iBAAK,EAAE,IAAjF;AAAuFuiB,iBAAK,EAAE,eAA9F;AAA+GrjB,eAAG,EAAE;AAAEI,qBAAO,EAAEijB,KAAK,CAACjjB,OAAN,GAAgB,IAAhB,GAAuBijB,KAAK,CAACyf,QAA7B,GAAwC,GAAxC,GAA8Czf,KAAK,CAAC0f,MAApD,GAA6D;AAAxE;AAApH,WAAzB;AACD,SAFD;;AAGAP,SAAC,CAAC7e,WAAF,CAAc;AAAEE,aAAG,EAAE,MAAP;AAAe1X,uBAAa,EAAEA,aAA9B;AAA6CkP,gBAAM,EAAEA,MAArD;AAA6DlX,YAAE,EAAEA,EAAjE;AAAqEpF,gBAAM,EAAE+kB,IAAI,CAACkf,SAAL,CAAejkC,MAAf;AAA7E,SAAd;AACD,OARD,CAQE,OAAOiB,GAAP,EAAY;AACZP,wBAAM,CAACgN,IAAP,CAAY,kBAAZ,EAAgCzM,GAAhC;AACAP,wBAAM,CAACU,KAAP,CAAa,mEAAb;;AACA,YAAIqiC,CAAJ,EAAO;AACL;AACA7jC,gBAAM,CAACskC,GAAP,CAAWC,eAAX,CAA2BV,CAAC,CAACW,SAA7B;AACD;;AACD,aAAKhhB,OAAL,GAAe,IAAID,yBAAJ,CAAkBpjB,QAAlB,EAA4BqN,aAA5B,EAA2CpN,MAA3C,EAAmDsc,MAAnD,CAAf;AACA,aAAKmnB,CAAL,GAAS9jC,SAAT;AACD;AACF,KArBD,MAqBO;AACL,WAAKyjB,OAAL,GAAe,IAAID,yBAAJ,CAAkBpjB,QAAlB,EAA4BqN,aAA5B,EAA2CpN,MAA3C,EAAmDsc,MAAnD,CAAf;AACD;AACF;;;;SAED5c,O,GAAA,mBAAW;AACT,QAAI+jC,CAAC,GAAG,KAAKA,CAAb;;AACA,QAAIA,CAAJ,EAAO;AACLA,OAAC,CAACY,mBAAF,CAAsB,SAAtB,EAAiC,KAAKT,MAAtC;AACAH,OAAC,CAACa,SAAF;AACA,WAAKb,CAAL,GAAS,IAAT;AACD,KAJD,MAIO;AACL,UAAIrgB,OAAO,GAAG,KAAKA,OAAnB;;AACA,UAAIA,OAAJ,EAAa;AACXA,eAAO,CAAC1jB,OAAR;AACA,aAAK0jB,OAAL,GAAe,IAAf;AACD;AACF;;AACD,QAAMrjB,QAAQ,GAAG,KAAKA,QAAtB;;AACA,QAAIA,QAAJ,EAAc;AACZA,cAAQ,CAACwkC,kBAAT;AACA,WAAKxkC,QAAL,GAAgB,IAAhB;AACD;AACF,G;;SAED2E,I,GAAA,cAAMpK,IAAN,EAAYyK,WAAZ,EAAyB7C,UAAzB,EAAqC8C,UAArC,EAAiDqM,IAAjD,EAAuDpM,QAAvD,EAAiEgB,kBAAjE,EAAqFsd,cAArF,EAAqG;AACnG,QAAMkgB,CAAC,GAAG,KAAKA,CAAf;AACA,QAAM19B,UAAU,GAAG,0CAAgBsL,IAAI,CAACgM,QAArB,IAAiChM,IAAI,CAACgM,QAAtC,GAAiDhM,IAAI,CAAC7C,KAAzE;AACA,QAAMrD,WAAW,GAAGkG,IAAI,CAAClG,WAAzB;AACA,QAAMq5B,QAAQ,GAAG,KAAKnzB,IAAtB;AACA,QAAMgS,aAAa,GAAG,EAAEmhB,QAAQ,IAAKnzB,IAAI,CAACwe,EAAL,KAAY2U,QAAQ,CAAC3U,EAApC,CAAtB;AACA,QAAMvM,WAAW,GAAG,EAAEkhB,QAAQ,IAAKnzB,IAAI,CAAC4e,KAAL,KAAeuU,QAAQ,CAACvU,KAAvC,CAApB;AACA,QAAMwU,MAAM,GAAGD,QAAQ,IAAKnzB,IAAI,CAAC8I,EAAL,KAAaqqB,QAAQ,CAACrqB,EAAT,GAAc,CAAvD;AACA,QAAMnU,UAAU,GAAG,CAACsd,WAAD,IAAgBmhB,MAAnC;;AACA,QAAIphB,aAAJ,EAAmB;AACjB3iB,sBAAM,CAACC,GAAP,CAAc,KAAKyE,EAAnB;AACD;;AAED,QAAIke,WAAJ,EAAiB;AACf5iB,sBAAM,CAACC,GAAP,CAAc,KAAKyE,EAAnB;AACD;;AAED,SAAKiM,IAAL,GAAYA,IAAZ;;AACA,QAAIoyB,CAAJ,EAAO;AACL;AACAA,OAAC,CAAC7e,WAAF,CAAc;AAAEE,WAAG,EAAE,OAAP;AAAgBxqB,YAAI,EAAJA,IAAhB;AAAsB6Q,mBAAW,EAAXA,WAAtB;AAAmCpG,mBAAW,EAAXA,WAAnC;AAAgD7C,kBAAU,EAAVA,UAAhD;AAA4D8C,kBAAU,EAAVA,UAA5D;AAAwEe,kBAAU,EAAVA,UAAxE;AAAoFsd,qBAAa,EAAbA,aAApF;AAAmGC,mBAAW,EAAXA,WAAnG;AAAgHtd,kBAAU,EAAVA,UAAhH;AAA4Hf,gBAAQ,EAARA,QAA5H;AAAsIgB,0BAAkB,EAAlBA,kBAAtI;AAA0Jsd,sBAAc,EAAdA;AAA1J,OAAd,EAA0LjpB,IAAI,YAAYoqC,WAAhB,GAA8B,CAACpqC,IAAD,CAA9B,GAAuC,EAAjO;AACD,KAHD,MAGO;AACL,UAAI8oB,OAAO,GAAG,KAAKA,OAAnB;;AACA,UAAIA,OAAJ,EAAa;AACXA,eAAO,CAAC1e,IAAR,CAAapK,IAAb,EAAmB6Q,WAAnB,EAAgCpG,WAAhC,EAA6C7C,UAA7C,EAAyD8C,UAAzD,EAAqEe,UAArE,EAAiFsd,aAAjF,EAAgGC,WAAhG,EAA6Gtd,UAA7G,EAAyHf,QAAzH,EAAmIgB,kBAAnI,EAAuJsd,cAAvJ;AACD;AACF;AACF,G;;SAEDsgB,e,GAAA,yBAAiBlf,EAAjB,EAAqB;AACnB,QAAIrqB,IAAI,GAAGqqB,EAAE,CAACrqB,IAAd;AAAA,QACEgzB,GAAG,GAAG,KAAKA,GADb;;AAEA,YAAQhzB,IAAI,CAACgqB,KAAb;AACA,WAAK,MAAL;AACE;AACA1kB,cAAM,CAACskC,GAAP,CAAWC,eAAX,CAA2B,KAAKV,CAAL,CAAOW,SAAlC;AACA;AACA;;AACF,WAAK7iC,iBAAK,CAAC6f,iBAAX;AACE9mB,YAAI,CAACA,IAAL,CAAUumB,KAAV,GAAkB,IAAI7Y,UAAJ,CAAe1N,IAAI,CAACumB,KAApB,CAAlB;;AACA,YAAIvmB,IAAI,CAACwmB,KAAT,EAAgB;AACdxmB,cAAI,CAACA,IAAL,CAAUwmB,KAAV,GAAkB,IAAI9Y,UAAJ,CAAe1N,IAAI,CAACwmB,KAApB,CAAlB;AACD;;AAED;;AACF;AACExmB,YAAI,CAACA,IAAL,GAAYA,IAAI,CAACA,IAAL,IAAa,EAAzB;AACAA,YAAI,CAACA,IAAL,CAAU+W,IAAV,GAAiB,KAAKA,IAAtB;AACA/W,YAAI,CAACA,IAAL,CAAU8K,EAAV,GAAe,KAAKA,EAApB;AACAkoB,WAAG,CAAChsB,OAAJ,CAAYhH,IAAI,CAACgqB,KAAjB,EAAwBhqB,IAAI,CAACA,IAA7B;AACA;AAlBF;AAoBD,G;;;;;AAGY+oC,iEAAf,E;;;;;;;ACtJA;;;;;;;;AASA;AAEO,SAASsB,UAAT,CAAqB1U,KAArB,EAA4BxuB,IAA5B,EAAkC2D,EAAlC,EAAsC;AAC3C,UAAQ3D,IAAR;AACA,SAAK,OAAL;AACE,UAAI,CAACwuB,KAAK,CAAC2U,aAAX,EAA0B;AACxB3U,aAAK,CAAC2U,aAAN,GAAsB,EAAtB;AACD;;AACD3U,WAAK,CAAC2U,aAAN,CAAoBlgC,IAApB,CAAyBU,EAAzB;AACA;;AACF,SAAK,MAAL;AACE,UAAI,CAAC6qB,KAAK,CAAC4U,YAAX,EAAyB;AACvB5U,aAAK,CAAC4U,YAAN,GAAqB,EAArB;AACD;;AACD5U,WAAK,CAAC4U,YAAN,CAAmBngC,IAAnB,CAAwBU,EAAxB;AACA;AAZF;AAcD;AAEM,SAAS0/B,SAAT,CAAoBzT,SAApB,EAA+B0T,OAA/B,EAAwCC,KAAxC,EAA+C;AACpD,MAAIC,QAAQ,GAAG5T,SAAS,CAAC0T,OAAD,CAAxB;AAAA,MAAmCG,MAAM,GAAG7T,SAAS,CAAC2T,KAAD,CAArD;AAAA,MAA8DG,SAAS,GAAGD,MAAM,CAAC7nB,QAAjF,CADoD,CAEpD;;AACA,MAAI,0CAAgB8nB,SAAhB,CAAJ,EAAgC;AAC9B;AACA;AACA,QAAIH,KAAK,GAAGD,OAAZ,EAAqB;AACnBE,cAAQ,CAAChgC,QAAT,GAAoBkgC,SAAS,GAAGF,QAAQ,CAACz2B,KAAzC;;AACA,UAAIy2B,QAAQ,CAAChgC,QAAT,GAAoB,CAAxB,EAA2B;AACzBvE,wBAAM,CAACgN,IAAP,0CAAmDu3B,QAAQ,CAAC9qB,EAA5D,eAAwE8qB,QAAQ,CAAChV,KAAjF;AACD;AACF,KALD,MAKO;AACLiV,YAAM,CAACjgC,QAAP,GAAkBggC,QAAQ,CAACz2B,KAAT,GAAiB22B,SAAnC;;AACA,UAAID,MAAM,CAACjgC,QAAP,GAAkB,CAAtB,EAAyB;AACvBvE,wBAAM,CAACgN,IAAP,0CAAmDw3B,MAAM,CAAC/qB,EAA1D,eAAsE+qB,MAAM,CAACjV,KAA7E;AACD;AACF;AACF,GAdD,MAcO;AACL;AACA,QAAI+U,KAAK,GAAGD,OAAZ,EAAqB;AACnBG,YAAM,CAAC12B,KAAP,GAAey2B,QAAQ,CAACz2B,KAAT,GAAiBy2B,QAAQ,CAAChgC,QAAzC;AACD,KAFD,MAEO;AACLigC,YAAM,CAAC12B,KAAP,GAAetG,IAAI,CAAC+U,GAAL,CAASgoB,QAAQ,CAACz2B,KAAT,GAAiB02B,MAAM,CAACjgC,QAAjC,EAA2C,CAA3C,CAAf;AACD;AACF;AACF;AAEM,SAASmgC,gBAAT,CAA2BxjC,OAA3B,EAAoCyP,IAApC,EAA0CgM,QAA1C,EAAoDD,MAApD,EAA4D2D,QAA5D,EAAsEC,MAAtE,EAA8E;AACnF;AACA,MAAIqkB,WAAW,GAAGhoB,QAAlB;;AACA,MAAI,0CAAgBhM,IAAI,CAACgM,QAArB,CAAJ,EAAoC;AAClC;AACA,QAAImS,QAAQ,GAAGtnB,IAAI,CAAC4N,GAAL,CAASzE,IAAI,CAACgM,QAAL,GAAgBA,QAAzB,CAAf;;AACA,QAAI,CAAC,0CAAgBhM,IAAI,CAACme,QAArB,CAAL,EAAqC;AACnCne,UAAI,CAACme,QAAL,GAAgBA,QAAhB;AACD,KAFD,MAEO;AACLne,UAAI,CAACme,QAAL,GAAgBtnB,IAAI,CAAC+U,GAAL,CAASuS,QAAT,EAAmBne,IAAI,CAACme,QAAxB,CAAhB;AACD;;AAED6V,eAAW,GAAGn9B,IAAI,CAAC+U,GAAL,CAASI,QAAT,EAAmBhM,IAAI,CAACgM,QAAxB,CAAd;AACAA,YAAQ,GAAGnV,IAAI,CAACC,GAAL,CAASkV,QAAT,EAAmBhM,IAAI,CAACgM,QAAxB,CAAX;AACAD,UAAM,GAAGlV,IAAI,CAAC+U,GAAL,CAASG,MAAT,EAAiB/L,IAAI,CAAC+L,MAAtB,CAAT;AACA2D,YAAQ,GAAG7Y,IAAI,CAACC,GAAL,CAAS4Y,QAAT,EAAmB1P,IAAI,CAAC0P,QAAxB,CAAX;AACAC,UAAM,GAAG9Y,IAAI,CAAC+U,GAAL,CAAS+D,MAAT,EAAiB3P,IAAI,CAAC2P,MAAtB,CAAT;AACD;;AAED,MAAMskB,KAAK,GAAGjoB,QAAQ,GAAGhM,IAAI,CAAC7C,KAA9B;AACA6C,MAAI,CAAC7C,KAAL,GAAa6C,IAAI,CAACgM,QAAL,GAAgBA,QAA7B;AACAhM,MAAI,CAACg0B,WAAL,GAAmBA,WAAnB;AACAh0B,MAAI,CAAC+L,MAAL,GAAcA,MAAd;AACA/L,MAAI,CAAC0P,QAAL,GAAgBA,QAAhB;AACA1P,MAAI,CAAC2P,MAAL,GAAcA,MAAd;AACA3P,MAAI,CAACpM,QAAL,GAAgBmY,MAAM,GAAGC,QAAzB;AAEA,MAAMlD,EAAE,GAAG9I,IAAI,CAAC8I,EAAhB,CA3BmF,CA4BnF;;AACA,MAAI,CAACvY,OAAD,IAAYuY,EAAE,GAAGvY,OAAO,CAAC6vB,OAAzB,IAAoCtX,EAAE,GAAGvY,OAAO,CAACwvB,KAArD,EAA4D;AAC1D,WAAO,CAAP;AACD;;AAED,MAAImU,OAAJ,EAAalU,SAAb,EAAwBr1B,CAAxB;AACAupC,SAAO,GAAGprB,EAAE,GAAGvY,OAAO,CAAC6vB,OAAvB;AACAJ,WAAS,GAAGzvB,OAAO,CAACyvB,SAApB,CAnCmF,CAoCnF;AACA;AACA;AACA;AACA;;AACAA,WAAS,CAACkU,OAAD,CAAT,GAAqBl0B,IAArB,CAzCmF,CA0CnF;;AACA,OAAKrV,CAAC,GAAGupC,OAAT,EAAkBvpC,CAAC,GAAG,CAAtB,EAAyBA,CAAC,EAA1B,EAA8B;AAC5B8oC,aAAS,CAACzT,SAAD,EAAYr1B,CAAZ,EAAeA,CAAC,GAAG,CAAnB,CAAT;AACD,GA7CkF,CA+CnF;;;AACA,OAAKA,CAAC,GAAGupC,OAAT,EAAkBvpC,CAAC,GAAGq1B,SAAS,CAACh0B,MAAV,GAAmB,CAAzC,EAA4CrB,CAAC,EAA7C,EAAiD;AAC/C8oC,aAAS,CAACzT,SAAD,EAAYr1B,CAAZ,EAAeA,CAAC,GAAG,CAAnB,CAAT;AACD;;AAED4F,SAAO,CAAC4jC,QAAR,GAAmB,IAAnB;AACA,SAAOF,KAAP;AACD;AAEM,SAASG,YAAT,CAAuBC,UAAvB,EAAmCC,UAAnC,EAA+C;AACpD;AACA,MAAIA,UAAU,CAAC5gC,WAAX,IAA0B2gC,UAAU,CAAC3gC,WAAzC,EAAsD;AACpD4gC,cAAU,CAAC5gC,WAAX,GAAyB2gC,UAAU,CAAC3gC,WAApC;AACD,GAJmD,CAMpD;AACA;;;AACA,MAAI6gC,QAAQ,GAAG,CAAf;AACA,MAAIC,OAAJ;AACAC,yBAAuB,CAACJ,UAAD,EAAaC,UAAb,EAAyB,UAACI,OAAD,EAAUC,OAAV,EAAsB;AACpEJ,YAAQ,GAAGG,OAAO,CAAClW,EAAR,GAAamW,OAAO,CAACnW,EAAhC;;AACA,QAAI,0CAAgBkW,OAAO,CAAC1oB,QAAxB,CAAJ,EAAuC;AACrC2oB,aAAO,CAACx3B,KAAR,GAAgBw3B,OAAO,CAAC3oB,QAAR,GAAmB0oB,OAAO,CAAC1oB,QAA3C;AACA2oB,aAAO,CAAC5oB,MAAR,GAAiB2oB,OAAO,CAAC3oB,MAAzB;AACA4oB,aAAO,CAAC/gC,QAAR,GAAmB8gC,OAAO,CAAC9gC,QAA3B;AACA+gC,aAAO,CAACC,WAAR,GAAsBF,OAAO,CAACE,WAA9B;AACAD,aAAO,CAACl4B,OAAR,GAAkBi4B,OAAO,CAACj4B,OAA1B;AACA+3B,aAAO,GAAGG,OAAV;AACD,KATmE,CAUpE;;;AACAL,cAAU,CAACH,QAAX,GAAsB,IAAtB;AACD,GAZsB,CAAvB;;AAcA,MAAI,CAACG,UAAU,CAACH,QAAhB,EAA0B;AACxB;AACD;;AAED,MAAII,QAAJ,EAAc;AACZllC,oBAAM,CAACC,GAAP,CAAW,8DAAX;AACA,QAAMulC,YAAY,GAAGP,UAAU,CAACtU,SAAhC;;AACA,SAAK,IAAIr1B,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGkqC,YAAY,CAAC7oC,MAAjC,EAAyCrB,CAAC,EAA1C,EAA8C;AAC5CkqC,kBAAY,CAAClqC,CAAD,CAAZ,CAAgB6zB,EAAhB,IAAsB+V,QAAtB;AACD;AACF,GAlCmD,CAoCpD;;;AACA,MAAIC,OAAJ,EAAa;AACXT,oBAAgB,CAACO,UAAD,EAAaE,OAAb,EAAsBA,OAAO,CAACxoB,QAA9B,EAAwCwoB,OAAO,CAACzoB,MAAhD,EAAwDyoB,OAAO,CAAC9kB,QAAhE,EAA0E8kB,OAAO,CAAC7kB,MAAlF,CAAhB;AACD,GAFD,MAEO;AACL;AACA;AACA;AACAmlB,iBAAa,CAACT,UAAD,EAAaC,UAAb,CAAb;AACD,GA5CmD,CA6CpD;AACA;;;AACAA,YAAU,CAACH,QAAX,GAAsBE,UAAU,CAACF,QAAjC;AACD;AAEM,SAASY,sBAAT,CAAiCC,WAAjC,EAA8CC,WAA9C,EAA2DC,cAA3D,EAA+E;AAAA,MAApBA,cAAoB;AAApBA,kBAAoB,GAAH,CAAG;AAAA;;AACpF,MAAIrT,SAAS,GAAG,CAAC,CAAjB;AACA4S,yBAAuB,CAACO,WAAD,EAAcC,WAAd,EAA2B,UAACP,OAAD,EAAUC,OAAV,EAAmBxjB,KAAnB,EAA6B;AAC7EwjB,WAAO,CAACx3B,KAAR,GAAgBu3B,OAAO,CAACv3B,KAAxB;AACA0kB,aAAS,GAAG1Q,KAAZ;AACD,GAHsB,CAAvB;AAKA,MAAMgkB,KAAK,GAAGF,WAAW,CAACjV,SAA1B;;AACA,MAAI6B,SAAS,GAAG,CAAhB,EAAmB;AACjBsT,SAAK,CAAC1zB,OAAN,CAAc,UAAAzB,IAAI,EAAI;AACpBA,UAAI,CAAC7C,KAAL,IAAc+3B,cAAd;AACD,KAFD;AAGA;AACD;;AAED,OAAK,IAAIvqC,CAAC,GAAGk3B,SAAS,GAAG,CAAzB,EAA4Bl3B,CAAC,GAAGwqC,KAAK,CAACnpC,MAAtC,EAA8CrB,CAAC,EAA/C,EAAmD;AACjDwqC,SAAK,CAACxqC,CAAD,CAAL,CAASwS,KAAT,GAAkBg4B,KAAK,CAACxqC,CAAC,GAAG,CAAL,CAAL,CAAawS,KAAb,GAAqBg4B,KAAK,CAACxqC,CAAC,GAAG,CAAL,CAAL,CAAaiJ,QAApD;AACD;AACF;AAEM,SAAS6gC,uBAAT,CAAkCO,WAAlC,EAA+CC,WAA/C,EAA4DG,cAA5D,EAA4E;AACjF,MAAI,CAACJ,WAAD,IAAgB,CAACC,WAArB,EAAkC;AAChC;AACD;;AAED,MAAM93B,KAAK,GAAGtG,IAAI,CAAC+U,GAAL,CAASopB,WAAW,CAAC5U,OAArB,EAA8B6U,WAAW,CAAC7U,OAA1C,IAAqD6U,WAAW,CAAC7U,OAA/E;AACA,MAAMrP,GAAG,GAAGla,IAAI,CAACC,GAAL,CAASk+B,WAAW,CAACjV,KAArB,EAA4BkV,WAAW,CAAClV,KAAxC,IAAiDkV,WAAW,CAAC7U,OAAzE;AACA,MAAMhS,KAAK,GAAG6mB,WAAW,CAAC7U,OAAZ,GAAsB4U,WAAW,CAAC5U,OAAhD;;AAEA,OAAK,IAAIz1B,CAAC,GAAGwS,KAAb,EAAoBxS,CAAC,IAAIomB,GAAzB,EAA8BpmB,CAAC,EAA/B,EAAmC;AACjC,QAAM+pC,OAAO,GAAGM,WAAW,CAAChV,SAAZ,CAAsB5R,KAAK,GAAGzjB,CAA9B,CAAhB;AACA,QAAMgqC,OAAO,GAAGM,WAAW,CAACjV,SAAZ,CAAsBr1B,CAAtB,CAAhB;;AACA,QAAI,CAAC+pC,OAAD,IAAY,CAACC,OAAjB,EAA0B;AACxB;AACD;;AACDS,kBAAc,CAACV,OAAD,EAAUC,OAAV,EAAmBhqC,CAAnB,CAAd;AACD;AACF;AAEM,SAASmqC,aAAT,CAAwBE,WAAxB,EAAqCC,WAArC,EAAkD;AACvD,MAAM7mB,KAAK,GAAG6mB,WAAW,CAAC7U,OAAZ,GAAsB4U,WAAW,CAAC5U,OAAhD;AACA,MAAMiV,YAAY,GAAGL,WAAW,CAAChV,SAAjC;AACA,MAAM6U,YAAY,GAAGI,WAAW,CAACjV,SAAjC;;AAEA,MAAI5R,KAAK,GAAG,CAAR,IAAaA,KAAK,GAAGinB,YAAY,CAACrpC,MAAtC,EAA8C;AAC5C;AACD;;AACD,OAAK,IAAIrB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGkqC,YAAY,CAAC7oC,MAAjC,EAAyCrB,CAAC,EAA1C,EAA8C;AAC5CkqC,gBAAY,CAAClqC,CAAD,CAAZ,CAAgBwS,KAAhB,IAAyBk4B,YAAY,CAACjnB,KAAD,CAAZ,CAAoBjR,KAA7C;AACD;AACF;AAEM,SAASm4B,qBAAT,CAAgCC,eAAhC,EAAiDN,WAAjD,EAA8DO,eAA9D,EAA+E;AACpF,MAAIC,cAAc,GAAG,QAAQR,WAAW,CAAC3O,qBAAZ,GAAoC2O,WAAW,CAAC3O,qBAAhD,GAAwE2O,WAAW,CAAC3U,cAA5F,CAArB;AACA,MAAMoV,iBAAiB,GAAGD,cAAc,GAAG,CAA3C;;AACA,MAAIF,eAAe,IAAIN,WAAW,CAAClV,KAAZ,KAAsBwV,eAAe,CAACxV,KAA7D,EAAoE;AAClE;AACA;AACA;AACA0V,kBAAc,GAAGC,iBAAjB;AACD;;AAED,MAAIF,eAAJ,EAAqB;AACnBC,kBAAc,GAAG5+B,IAAI,CAAC+U,GAAL,CAAS8pB,iBAAT,EAA4BD,cAAc,IAAI7O,MAAM,CAAChV,WAAP,CAAmBD,GAAnB,KAA2B6jB,eAA/B,CAA1C,CAAjB;AACD,GAZmF,CAapF;;;AACA,SAAO3+B,IAAI,CAAC6J,KAAL,CAAW+0B,cAAX,CAAP;AACD,C;;ACpOD;;;AAIA,IAAME,UAAU,GAAG;AACjBjzB,UAAQ,EAAE,kBAAUkzB,CAAV,EAAyB;AACjC,QAAItmC,GAAG,GAAG,EAAV;AACA,QAAI4E,GAAG,GAAG0hC,CAAC,CAAC5pC,MAAZ;;AACA,SAAK,IAAIrB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGuJ,GAApB,EAAyBvJ,CAAC,EAA1B,EAA8B;AAC5B2E,SAAG,IAAI,MAAMsmC,CAAC,CAACz4B,KAAF,CAAQxS,CAAR,EAAWkrC,OAAX,CAAmB,CAAnB,CAAN,GAA8B,GAA9B,GAAoCD,CAAC,CAAC7kB,GAAF,CAAMpmB,CAAN,EAASkrC,OAAT,CAAiB,CAAjB,CAApC,GAA0D,GAAjE;AACD;;AAED,WAAOvmC,GAAP;AACD;AATgB,CAAnB;AAYeqmC,0DAAf,E;;;AChBA;AACA;AAEO,SAASG,mBAAT,CAA8B9V,SAA9B,EAAyCxB,EAAzC,EAA6C;AAClD,MAAIuX,SAAS,GAAG,IAAhB;;AAEA,OAAK,IAAIprC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGq1B,SAAS,CAACh0B,MAA9B,EAAsCrB,CAAC,IAAI,CAA3C,EAA8C;AAC5C,QAAMqrC,WAAW,GAAGhW,SAAS,CAACr1B,CAAD,CAA7B;;AACA,QAAIqrC,WAAW,IAAIA,WAAW,CAACxX,EAAZ,KAAmBA,EAAtC,EAA0C;AACxCuX,eAAS,GAAGC,WAAZ;AACA;AACD;AACF;;AAED,SAAOD,SAAP;AACD;AAEM,SAASE,cAAT,CAAyBjW,SAAzB,EAAoCkW,EAApC,EAAwC;AAC7C,SAAOhG,aAAY,CAACC,MAAb,CAAoBnQ,SAApB,EAA+B,UAACmW,SAAD,EAAe;AACnD,QAAIA,SAAS,CAAC3X,EAAV,GAAe0X,EAAnB,EAAuB;AACrB,aAAO,CAAP;AACD,KAFD,MAEO,IAAIC,SAAS,CAAC3X,EAAV,GAAe0X,EAAnB,EAAuB;AAC5B,aAAO,CAAC,CAAR;AACD,KAFM,MAEA;AACL,aAAO,CAAP;AACD;AACF,GARM,CAAP;AASD;AAEM,SAASE,4BAAT,CAAuCjD,QAAvC,EAAiDkD,SAAjD,EAA4D9lC,OAA5D,EAAqE;AAC1E,MAAI+lC,WAAW,GAAG,KAAlB;;AACA,MAAID,SAAS,IAAIA,SAAS,CAAC9lC,OAAvB,IAAkCA,OAAtC,EAA+C;AAC7C,QAAIA,OAAO,CAACuvB,KAAR,GAAgBvvB,OAAO,CAAC4vB,OAAxB,IAAoCgT,QAAQ,IAAIA,QAAQ,CAAC3U,EAAT,GAAcjuB,OAAO,CAAC4vB,OAA1E,EAAoF;AAClFmW,iBAAW,GAAG,IAAd;AACD;AACF;;AACD,SAAOA,WAAP;AACD,C,CAED;;AACO,SAASC,8BAAT,CAAyCC,WAAzC,EAAsDC,UAAtD,EAAkE;AACvE,MAAMC,SAAS,GAAGF,WAAW,CAACxW,SAA9B;AACA,MAAM2W,QAAQ,GAAGF,UAAU,CAACzW,SAA5B;;AAEA,MAAI,CAAC2W,QAAQ,CAAC3qC,MAAV,IAAoB,CAAC0qC,SAAS,CAAC1qC,MAAnC,EAA2C;AACzCqD,oBAAM,CAACC,GAAP,CAAW,uBAAX;AACA;AACD;;AAED,MAAMsnC,aAAa,GAAGd,mBAAmB,CAACY,SAAD,EAAYC,QAAQ,CAAC,CAAD,CAAR,CAAYnY,EAAxB,CAAzC;;AAEA,MAAI,CAACoY,aAAD,IAAmBA,aAAa,IAAI,CAACA,aAAa,CAAC5qB,QAAvD,EAAkE;AAChE3c,oBAAM,CAACC,GAAP,CAAW,uCAAX;AACA;AACD;;AAED,SAAOsnC,aAAP;AACD;AAEM,SAASC,SAAT,CAAoBC,OAApB,EAA6BvmC,OAA7B,EAAsC;AAC3CA,SAAO,CAACyvB,SAAR,CAAkBve,OAAlB,CAA0B,UAACzB,IAAD,EAAU;AAClC,QAAIA,IAAJ,EAAU;AACR,UAAI7C,KAAK,GAAG6C,IAAI,CAAC7C,KAAL,GAAa25B,OAAzB;AACA92B,UAAI,CAAC7C,KAAL,GAAa6C,IAAI,CAACgM,QAAL,GAAgB7O,KAA7B;AACA6C,UAAI,CAAC+L,MAAL,GAAc5O,KAAK,GAAG6C,IAAI,CAACpM,QAA3B;AACD;AACF,GAND;AAOArD,SAAO,CAAC4jC,QAAR,GAAmB,IAAnB;AACD;AAED;;;;;;;;;;;AAUO,SAAS4C,WAAT,CAAsB5D,QAAtB,EAAgCkD,SAAhC,EAA2C9lC,OAA3C,EAAoD;AACzDymC,sBAAoB,CAAC7D,QAAD,EAAW5iC,OAAX,EAAoB8lC,SAApB,CAApB;;AACA,MAAI,CAAC9lC,OAAO,CAAC4jC,QAAT,IAAqBkC,SAAzB,EAAoC;AAClC;AACA;AACA;AACAY,YAAQ,CAAC1mC,OAAD,EAAU8lC,SAAS,CAAC9lC,OAApB,CAAR;AACD;AACF;AAED;;;;;;;AAMO,SAASymC,oBAAT,CAA+B7D,QAA/B,EAAyC5iC,OAAzC,EAAkD8lC,SAAlD,EAA6D;AAClE,MAAID,4BAA4B,CAACjD,QAAD,EAAWkD,SAAX,EAAsB9lC,OAAtB,CAAhC,EAAgE;AAC9D,QAAM2mC,aAAa,GAAGX,8BAA8B,CAACF,SAAS,CAAC9lC,OAAX,EAAoBA,OAApB,CAApD;;AACA,QAAI2mC,aAAJ,EAAmB;AACjB7nC,sBAAM,CAACC,GAAP,CAAW,wEAAX;AACAunC,eAAS,CAACK,aAAa,CAAC/5B,KAAf,EAAsB5M,OAAtB,CAAT;AACD;AACF;AACF;AAED;;;;;;AAKO,SAAS0mC,QAAT,CAAmB1mC,OAAnB,EAA4B4mC,WAA5B,EAAyC;AAC9C,MAAIA,WAAW,IAAIA,WAAW,CAACnX,SAAZ,CAAsBh0B,MAAzC,EAAiD;AAC/C,QAAI,CAACuE,OAAO,CAAC6mC,kBAAT,IAA+B,CAACD,WAAW,CAACC,kBAAhD,EAAoE;AAClE;AACD,KAH8C,CAI/C;AACA;AACA;;;AACA,QAAIC,OAAO,GAAGF,WAAW,CAACnX,SAAZ,CAAsB,CAAtB,EAAyB3B,eAAvC;AACA,QAAIiZ,MAAM,GAAG/mC,OAAO,CAACyvB,SAAR,CAAkB,CAAlB,EAAqB3B,eAAlC,CAR+C,CAS/C;;AACA,QAAIyY,OAAO,GAAG,CAACQ,MAAM,GAAGD,OAAV,IAAqB,IAArB,GAA4BF,WAAW,CAACnX,SAAZ,CAAsB,CAAtB,EAAyB7iB,KAAnE;;AACA,QAAI,0CAAgB25B,OAAhB,CAAJ,EAA8B;AAC5BznC,sBAAM,CAACC,GAAP,yDAAiEwnC,OAAO,CAACjB,OAAR,CAAgB,CAAhB,CAAjE;AACAgB,eAAS,CAACC,OAAD,EAAUvmC,OAAV,CAAT;AACD;AACF;AACF,C;;;AChID;;AAGA;;;;;;;AAOO,SAASgnC,iBAAT,CAA4BvX,SAA5B,EAAwDwX,QAAxD,EAAiF7F,sBAAjF,EAAkI;AACvI,MAAI6F,QAAQ,KAAK,IAAb,IAAqB,CAAC/lC,KAAK,CAACgmC,OAAN,CAAczX,SAAd,CAAtB,IAAkD,CAACA,SAAS,CAACh0B,MAA7D,IAAuE,CAAC,0CAAgBwrC,QAAhB,CAA5E,EAAuG;AACrG,WAAO,IAAP;AACD,GAHsI,CAKvI;;;AACA,MAAME,QAAQ,GAAG1X,SAAS,CAAC,CAAD,CAAT,CAAa3B,eAA9B;;AACA,MAAImZ,QAAQ,IAAIE,QAAQ,IAAI,CAAhB,CAAZ,EAAgC;AAC9B,WAAO,IAAP;AACD;;AAED,MAAMC,MAAM,GAAG3X,SAAS,CAACA,SAAS,CAACh0B,MAAV,GAAmB,CAApB,CAAT,CAAgC26B,kBAA/C;;AACA,MAAI6Q,QAAQ,KAAKG,MAAM,IAAI,CAAf,CAAZ,EAA+B;AAC7B,WAAO,IAAP;AACD;;AAEDhG,wBAAsB,GAAGA,sBAAsB,IAAI,CAAnD;;AACA,OAAK,IAAIiG,GAAG,GAAG,CAAf,EAAkBA,GAAG,GAAG5X,SAAS,CAACh0B,MAAlC,EAA0C,EAAE4rC,GAA5C,EAAiD;AAC/C,QAAI53B,IAAI,GAAGggB,SAAS,CAAC4X,GAAD,CAApB;;AACA,QAAIC,sBAAsB,CAACL,QAAD,EAAW7F,sBAAX,EAAmC3xB,IAAnC,CAA1B,EAAoE;AAClE,aAAOA,IAAP;AACD;AACF;;AAED,SAAO,IAAP;AACD;AAED;;;;;;;;;;;AAUO,SAAS83B,iBAAT,CAA4BC,YAA5B,EAAoD/X,SAApD,EAAgFyR,SAAhF,EAAuGE,sBAAvG,EAA4J;AAAA,MAA5EF,SAA4E;AAA5EA,aAA4E,GAAxD,CAAwD;AAAA;;AAAA,MAArDE,sBAAqD;AAArDA,0BAAqD,GAApB,CAAoB;AAAA;;AACjK,MAAMqG,QAAQ,GAAGD,YAAY,GAAG/X,SAAS,CAAC+X,YAAY,CAACjvB,EAAb,GAA6BkX,SAAS,CAAC,CAAD,CAAT,CAAalX,EAA1C,GAA0D,CAA3D,CAAZ,GAA4E,IAAzG,CADiK,CAEjK;;AACA,MAAIkvB,QAAQ,IAAI,CAACC,2BAA2B,CAACxG,SAAD,EAAYE,sBAAZ,EAAoCqG,QAApC,CAA5C,EAA2F;AACzF,WAAOA,QAAP;AACD;;AACD,SAAO9H,aAAY,CAACC,MAAb,CAAoBnQ,SAApB,EAA+BiY,2BAA2B,CAAC7+B,IAA5B,CAAiC,IAAjC,EAAuCq4B,SAAvC,EAAkDE,sBAAlD,CAA/B,CAAP;AACD;AAED;;;;;;;;AAOO,SAASsG,2BAAT,CAAsCxG,SAAtC,EAAqDE,sBAArD,EAAiFwE,SAAjF,EAAsG;AAAA,MAAhE1E,SAAgE;AAAhEA,aAAgE,GAApD,CAAoD;AAAA;;AAAA,MAAjDE,sBAAiD;AAAjDA,0BAAiD,GAAxB,CAAwB;AAAA;;AAC3G;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,MAAIuG,wBAAwB,GAAGrhC,IAAI,CAACC,GAAL,CAAS66B,sBAAT,EAAiCwE,SAAS,CAACviC,QAAV,IAAsBuiC,SAAS,CAAChY,QAAV,GAAqBgY,SAAS,CAAChY,QAA/B,GAA0C,CAAhE,CAAjC,CAA/B;;AACA,MAAIgY,SAAS,CAACh5B,KAAV,GAAkBg5B,SAAS,CAACviC,QAA5B,GAAuCskC,wBAAvC,IAAmEzG,SAAvE,EAAkF;AAChF,WAAO,CAAP;AACD,GAFD,MAEO,IAAI0E,SAAS,CAACh5B,KAAV,GAAkB+6B,wBAAlB,GAA6CzG,SAA7C,IAA0D0E,SAAS,CAACh5B,KAAxE,EAA+E;AACpF;AACA,WAAO,CAAC,CAAR;AACD;;AAED,SAAO,CAAP;AACD;AAED;;;;;;;;;AAQO,SAAS06B,sBAAT,CAAiCM,YAAjC,EAAuDxG,sBAAvD,EAAuFwE,SAAvF,EAAqH;AAC1H,MAAI+B,wBAAwB,GAAGrhC,IAAI,CAACC,GAAL,CAAS66B,sBAAT,EAAiCwE,SAAS,CAACviC,QAAV,IAAsBuiC,SAAS,CAAChY,QAAV,GAAqBgY,SAAS,CAAChY,QAA/B,GAA0C,CAAhE,CAAjC,IAAuG,IAAtI,CAD0H,CAG1H;;AACA,MAAMwI,kBAAkB,GAAGwP,SAAS,CAACxP,kBAAV,IAAgC,CAA3D;AACA,SAAOA,kBAAkB,GAAGuR,wBAArB,GAAgDC,YAAvD;AACD,C;;ACvGD;AACA;AACA;AACA;AAEO,IAAMC,yBAAyB,GAAG,GAAlC;AACA,IAAMC,kBAAkB,GAAG,GAA3B;AACA,IAAMC,6BAA6B,GAAG,GAAtC;AACA,IAAMC,uBAAuB,GAAG,IAAhC;;IAEcC,4B;;;AACnB,yBAAa7pC,MAAb,EAAqB41B,KAArB,EAA4BkU,eAA5B,EAA6Cxc,GAA7C,EAAkD;AAChD,SAAKttB,MAAL,GAAcA,MAAd;AACA,SAAK41B,KAAL,GAAaA,KAAb;AACA,SAAKkU,eAAL,GAAuBA,eAAvB;AACA,SAAKxc,GAAL,GAAWA,GAAX;AACA,SAAKyc,UAAL,GAAkB,CAAlB;AACA,SAAKC,aAAL,GAAqB,KAArB;AACA,SAAKC,OAAL,GAAe,IAAf;AACA,SAAKC,KAAL,GAAa,KAAb;AACA,SAAKC,OAAL,GAAe,KAAf;AACD;AAED;;;;;;;;;;SAMAC,I,GAAA,cAAMC,eAAN,EAAuB;AAAA,QACbrqC,MADa,GACc,IADd,CACbA,MADa;AAAA,QACL41B,KADK,GACc,IADd,CACLA,KADK;AAAA,QACEqU,OADF,GACc,IADd,CACEA,OADF;AAAA,QAEbhH,WAFa,GAEYrN,KAFZ,CAEbqN,WAFa;AAAA,QAEAkH,OAFA,GAEYvU,KAFZ,CAEAuU,OAFA;AAGrB,QAAMG,MAAM,GAAG,KAAKH,OAAL,IAAgB,CAACA,OAAhC;AACA,QAAMI,SAAS,GAAG,CAAC,KAAKJ,OAAN,IAAiBA,OAAnC;AAEA,SAAKA,OAAL,GAAeA,OAAf,CANqB,CAQrB;;AACA,QAAIlH,WAAW,KAAKoH,eAApB,EAAqC;AACnC,WAAKH,KAAL,GAAa,IAAb;;AACA,UAAID,OAAO,KAAK,IAAhB,EAAsB;AACpB;AACA,YAAI,KAAKD,aAAT,EAAwB;AACtB,cAAMQ,gBAAe,GAAGpmB,IAAI,CAACnB,WAAL,CAAiBD,GAAjB,KAAyBinB,OAAjD;;AACAvpC,0BAAM,CAACgN,IAAP,kCAA2Cu1B,WAA3C,gBAAiE/6B,IAAI,CAAC6J,KAAL,CAAWy4B,gBAAX,CAAjE;AACA,eAAKR,aAAL,GAAqB,KAArB;AACD;;AACD,aAAKC,OAAL,GAAe,IAAf;AACA,aAAKF,UAAL,GAAkB,CAAlB;AACD;;AACD;AACD,KAtBoB,CAwBrB;;;AACA,QAAIQ,SAAS,IAAID,MAAjB,EAAyB;AACvB,WAAKL,OAAL,GAAe,IAAf;AACD;;AA3BoB,QA6BbQ,mBA7Ba,GA6BW,KAAKzqC,MA7BhB,CA6BbyqC,mBA7Ba;;AA8BrB,QAAIA,mBAAmB,KAAKN,OAAO,IAAIG,MAAhB,CAAvB,EAAgD;AAC9C,WAAKI,2BAAL;AACD,KAhCoB,CAkCrB;;;AACA,QAAI9U,KAAK,CAAC+U,MAAN,IAAgB/U,KAAK,CAACgV,KAAtB,IAA+BhV,KAAK,CAACiV,YAAN,KAAuB,CAAtD,IAA2D,CAACjV,KAAK,CAAC8J,QAAN,CAAeriC,MAA/E,EAAuF;AACrF;AACD;;AAED,QAAM6kC,UAAU,GAAGF,YAAY,CAACE,UAAb,CAAwBtM,KAAxB,EAA+BqN,WAA/B,EAA4C,CAA5C,CAAnB;AACA,QAAMhB,UAAU,GAAGC,UAAU,CAAC38B,GAAX,GAAiB,CAApC;AACA,QAAM+8B,SAAS,GAAGJ,UAAU,CAACI,SAAX,IAAwB,CAA1C,CAzCqB,CA2CrB;;AACA,QAAI,CAACL,UAAD,IAAe,CAACK,SAApB,EAA+B;AAC7B;AACD;;AAED,QAAI6H,OAAJ,EAAa;AACX;AACA,UAAMW,eAAe,GAAG5I,UAAU,CAAC38B,GAAX,GAAiBmkC,kBAAzC,CAFW,CAGX;;AACA,UAAMqB,WAAW,GAAG,CAACzI,SAAD,IAAcA,SAAS,GAAGW,WAAZ,GAA0ByG,kBAA5D;;AACA,UAAIoB,eAAe,IAAIC,WAAvB,EAAoC;AAClC;AACD,OAPU,CAQX;;;AACA,WAAKb,KAAL,GAAa,KAAb;AACD,KA1DoB,CA4DrB;AACA;;;AACA,QAAI,CAAC,KAAKA,KAAN,IAAe,KAAKD,OAAxB,EAAiC;AAC/B;AACA,UAAMe,SAAS,GAAG9iC,IAAI,CAAC+U,GAAL,CAASqlB,SAAT,EAAoBJ,UAAU,CAAC1zB,KAAX,IAAoB,CAAxC,IAA6Cy0B,WAA/D;;AACA,UAAI+H,SAAS,GAAG,CAAZ,IAAiBA,SAAS,IAAItB,kBAAlC,EAAsD;AACpD,aAAKuB,kBAAL,CAAwB,IAAxB;;AACA;AACD;AACF,KArEoB,CAuErB;;;AACA,QAAMC,IAAI,GAAG9mB,IAAI,CAACnB,WAAL,CAAiBD,GAAjB,EAAb;;AACA,QAAIinB,OAAO,KAAK,IAAhB,EAAsB;AACpB,WAAKA,OAAL,GAAeiB,IAAf;AACA;AACD;;AAED,QAAMV,eAAe,GAAGU,IAAI,GAAGjB,OAA/B;;AACA,QAAI,CAACE,OAAD,IAAYK,eAAe,IAAIf,yBAAnC,EAA8D;AAC5D;AACA,WAAK0B,YAAL,CAAkBjJ,UAAU,CAAC38B,GAA7B;AACD;;AAED,QAAM6lC,iBAAiB,GAAGpJ,YAAY,CAACE,UAAb,CAAwBtM,KAAxB,EAA+BqN,WAA/B,EAA4CjjC,MAAM,CAACygB,aAAnD,CAA1B;;AACA,SAAK4qB,kBAAL,CAAwBD,iBAAxB,EAA2CZ,eAA3C;AACD,G,CAED;AACA;;;SACAE,2B,GAAA,uCAA8B;AAC5B,QAAM9U,KAAK,GAAG,KAAKA,KAAnB;AACA,QAAMqN,WAAW,GAAGrN,KAAK,GAAGA,KAAK,CAACqN,WAAT,GAAuBtjC,SAAhD;AAF4B,QAGpBqjC,sBAHoB,GAGO,KAAKhjC,MAHZ,CAGpBgjC,sBAHoB,EAK5B;AACA;AACA;;AACA,QAAMsI,0BAA0B,GAC9BtJ,YAAY,CAACe,6BAAb,CAA2CnN,KAA3C,EAAkDqN,WAAlD,EAA+DD,sBAA/D,CADF;;AAGA,QAAIC,WAAW,KAAKqI,0BAApB,EAAgD;AAC9C5qC,sBAAM,CAACC,GAAP,0DAAkE2qC,0BAAlE;AACA1V,WAAK,CAACqN,WAAN,GAAoBqI,0BAApB;AACA,aAAO,IAAP;AACD;;AAED,WAAO,KAAP;AACD;AAED;;;;;;;;SAMAD,kB,GAAA,4BAAoBnJ,UAApB,EAAgCqJ,iBAAhC,EAAmD;AAAA,QACzCvrC,MADyC,GACN,IADM,CACzCA,MADyC;AAAA,QACjC8pC,eADiC,GACN,IADM,CACjCA,eADiC;AAAA,QAChBlU,KADgB,GACN,IADM,CAChBA,KADgB;AAEjD,QAAMqN,WAAW,GAAGrN,KAAK,CAACqN,WAA1B;AAEA,QAAMvC,OAAO,GAAGoJ,eAAe,CAACnJ,kBAAhB,CAAmCsC,WAAnC,CAAhB;;AACA,QAAIvC,OAAJ,EAAa;AACX;AACA;AACA,UAAM8K,UAAU,GAAG,KAAKP,kBAAL,CAAwBvK,OAAxB,CAAnB,CAHW,CAIX;AACA;;;AACA,UAAI8K,UAAJ,EAAgB;AACd;AACD;AACF,KAdgD,CAgBjD;AACA;AACA;AACA;;;AACA,QAAItJ,UAAU,CAAC38B,GAAX,GAAiBvF,MAAM,CAACygB,aAAxB,IACF8qB,iBAAiB,GAAGvrC,MAAM,CAACyrC,wBAAP,GAAkC,IADxD,EAC8D;AAC5D/qC,sBAAM,CAACgN,IAAP,CAAY,2CAAZ,EAD4D,CAE5D;AACA;AACA;;AACA,WAAKu8B,OAAL,GAAe,IAAf;;AACA,WAAKyB,eAAL;AACD;AACF;AAED;;;;;;;SAKAP,Y,GAAA,sBAAcxI,SAAd,EAAyB;AAAA,QACfrV,GADe,GACe,IADf,CACfA,GADe;AAAA,QACVsI,KADU,GACe,IADf,CACVA,KADU;AAAA,QACHoU,aADG,GACe,IADf,CACHA,aADG;;AAEvB,QAAI,CAACA,aAAL,EAAoB;AAClB;AACA,WAAKA,aAAL,GAAqB,IAArB;AACAtpC,sBAAM,CAACgN,IAAP,4BAAqCkoB,KAAK,CAACqN,WAA3C;AACA3V,SAAG,CAAChsB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AACvBC,YAAI,EAAEC,oBAAU,CAACC,WADM;AAEvBC,eAAO,EAAEC,sBAAY,CAAC8pC,oBAFC;AAGvB5pC,aAAK,EAAE,KAHgB;AAIvBlH,cAAM,EAAE8nC;AAJe,OAAzB;AAMD;AACF;AAED;;;;;;;SAKAsI,kB,GAAA,4BAAoBvK,OAApB,EAA6B;AAAA,QACnB1gC,MADmB,GACI,IADJ,CACnBA,MADmB;AAAA,QACXstB,GADW,GACI,IADJ,CACXA,GADW;AAAA,QACNsI,KADM,GACI,IADJ,CACNA,KADM;AAE3B,QAAMqN,WAAW,GAAGrN,KAAK,CAACqN,WAA1B;AACA,QAAI2I,WAAW,GAAG,CAAlB,CAH2B,CAI3B;;AACA,SAAK,IAAI5vC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG45B,KAAK,CAAC8J,QAAN,CAAeriC,MAAnC,EAA2CrB,CAAC,EAA5C,EAAgD;AAC9C,UAAMwnB,SAAS,GAAGoS,KAAK,CAAC8J,QAAN,CAAelxB,KAAf,CAAqBxS,CAArB,CAAlB;;AACA,UAAIinC,WAAW,GAAGjjC,MAAM,CAACygB,aAArB,IAAsCmrB,WAAtC,IAAqD3I,WAAW,GAAGzf,SAAvE,EAAkF;AAChF,YAAMgoB,UAAU,GAAGtjC,IAAI,CAAC+U,GAAL,CAASuG,SAAS,GAAGomB,uBAArB,EAA8ChU,KAAK,CAACqN,WAAN,GAAoB0G,6BAAlE,CAAnB;AACAjpC,wBAAM,CAACgN,IAAP,gDAAyDu1B,WAAzD,YAA2EuI,UAA3E;AACA,aAAKtB,KAAL,GAAa,IAAb;AACA,aAAKD,OAAL,GAAe,IAAf;AACArU,aAAK,CAACqN,WAAN,GAAoBuI,UAApB;;AACA,YAAI9K,OAAJ,EAAa;AACXpT,aAAG,CAAChsB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AACvBC,gBAAI,EAAEC,oBAAU,CAACC,WADM;AAEvBC,mBAAO,EAAEC,sBAAY,CAACgqC,qBAFC;AAGvB9pC,iBAAK,EAAE,KAHgB;AAIvBC,kBAAM,uDAAqDihC,WAArD,YAAuEuI,UAJtD;AAKvBn6B,gBAAI,EAAEqvB;AALiB,WAAzB;AAOD;;AACD,eAAO8K,UAAP;AACD;;AACDI,iBAAW,GAAGhW,KAAK,CAAC8J,QAAN,CAAetd,GAAf,CAAmBpmB,CAAnB,CAAd;AACD;;AACD,WAAO,CAAP;AACD;AAED;;;;;;SAIA0vC,e,GAAA,2BAAmB;AAAA,QACT1rC,MADS,GACc,IADd,CACTA,MADS;AAAA,QACDstB,GADC,GACc,IADd,CACDA,GADC;AAAA,QACIsI,KADJ,GACc,IADd,CACIA,KADJ;AAEjB,QAAMqN,WAAW,GAAGrN,KAAK,CAACqN,WAA1B;AACA,QAAM8G,UAAU,GAAG,CAAC,KAAKA,UAAL,IAAmB,CAApB,IAAyB,CAA5C;AACA,SAAKA,UAAL,GAAkBA,UAAlB;;AAEA,QAAIA,UAAU,GAAG/pC,MAAM,CAAC8rC,aAAxB,EAAuC;AACrC,UAAMN,UAAU,GAAGvI,WAAW,GAAG8G,UAAU,GAAG/pC,MAAM,CAAC+rC,WAArD,CADqC,CAErC;;AACArrC,sBAAM,CAACgN,IAAP,iCAA0Cu1B,WAA1C,YAA4DuI,UAA5D;AACA5V,WAAK,CAACqN,WAAN,GAAoBuI,UAApB;AAEAle,SAAG,CAAChsB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AACvBC,YAAI,EAAEC,oBAAU,CAACC,WADM;AAEvBC,eAAO,EAAEC,sBAAY,CAACmqC,qBAFC;AAGvBjqC,aAAK,EAAE;AAHgB,OAAzB;AAKD,KAXD,MAWO;AACLrB,sBAAM,CAACU,KAAP,4DAAsE6hC,WAAtE,eAA2FjjC,MAAM,CAAC8rC,aAAlG;AACAxe,SAAG,CAAChsB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AACvBC,YAAI,EAAEC,oBAAU,CAACC,WADM;AAEvBC,eAAO,EAAEC,sBAAY,CAAC8pC,oBAFC;AAGvB5pC,aAAK,EAAE;AAHgB,OAAzB;AAKD;AACF,G;;;;;;;;;;;ACnQH;;AAGA;;;;;;;;;;;;;;;;;;;;;;;;;;;;IA6BqBkqC,Q;;;;;AAMnB,oBAAa3e,GAAb,EAA4C;AAAA;;AAAA,sCAAlBI,MAAkB;AAAlBA,YAAkB;AAAA;;AAC1C,2DAAMJ,GAAN,SAAcI,MAAd;AAD0C,UAL3Bwe,UAK2B;AAAA,UAJpCC,UAIoC,GAJR,IAIQ;AAAA,UAHpCC,aAGoC,GAHL,IAGK;AAAA,UAFpCC,cAEoC,GAFnB,CAEmB;AAE1C,UAAKH,UAAL,GAAkB,MAAKI,IAAL,CAAU7hC,IAAV,+BAAlB;AAF0C;AAG3C;AAED;;;;;;;SAGUmjB,mB,GAAV,+BAAiC;AAC/B;AACA,SAAK2e,aAAL;AACA,SAAKC,aAAL;AACD;AAED;;;;;SAGOC,W,GAAP,uBAA+B;AAC7B,WAAO,CAAC,CAAC,KAAKL,aAAd;AACD;AAED;;;;;SAGOM,W,GAAP,uBAA+B;AAC7B,WAAO,CAAC,CAAC,KAAKP,UAAd;AACD;AAED;;;;;;SAIOQ,W,GAAP,qBAAoBC,MAApB,EAA6C;AAC3C,QAAI,CAAC,KAAKR,aAAV,EAAyB;AACvB,WAAKA,aAAL,GAAqBhoB,IAAI,CAACuoB,WAAL,CAAiB,KAAKT,UAAtB,EAAkCU,MAAlC,CAArB;AACA,aAAO,IAAP;AACD;;AACD,WAAO,KAAP;AACD;AAED;;;;;SAGOJ,a,GAAP,yBAAiC;AAC/B,QAAI,KAAKJ,aAAT,EAAwB;AACtBhoB,UAAI,CAACooB,aAAL,CAAmB,KAAKJ,aAAxB;AACA,WAAKA,aAAL,GAAqB,IAArB;AACA,aAAO,IAAP;AACD;;AACD,WAAO,KAAP;AACD;AAED;;;;;SAGOG,a,GAAP,yBAAiC;AAC/B,QAAI,KAAKJ,UAAT,EAAqB;AACnB/nB,UAAI,CAACyoB,YAAL,CAAkB,KAAKV,UAAvB;AACA,WAAKA,UAAL,GAAkB,IAAlB;AACA,aAAO,IAAP;AACD;;AACD,WAAO,KAAP;AACD;AAED;;;;;;;SAKOG,I,GAAP,gBAAqB;AACnB,SAAKD,cAAL;;AACA,QAAI,KAAKA,cAAL,KAAwB,CAA5B,EAA+B;AAC7B,WAAKS,MAAL,GAD6B,CAE7B;AACA;;AACA,UAAI,KAAKT,cAAL,GAAsB,CAA1B,EAA6B;AAC3B;AACA,aAAKE,aAAL;AACA,aAAKJ,UAAL,GAAkB/nB,IAAI,CAAC2oB,UAAL,CAAgB,KAAKb,UAArB,EAAiC,CAAjC,CAAlB;AACD;;AACD,WAAKG,cAAL,GAAsB,CAAtB;AACD;AACF;AAED;;;;;;SAIUS,M,GAAV,kBAA0B,CAAE,C;;;EA9FQzf,a;;;;;;;;AChCtC;AACA;AACA;AACA;AAEO,IAAM2f,KAAK,GAAG;AACnBC,SAAO,EAAE,SADU;AAEnBC,UAAQ,EAAE,UAFS;AAGnBC,MAAI,EAAE,MAHa;AAInBC,QAAM,EAAE,QAJW;AAKnBpgB,aAAW,EAAE,aALM;AAMnBT,cAAY,EAAE,cANK;AAOnB8gB,4BAA0B,EAAE,4BAPT;AAQnBC,eAAa,EAAE,eARI;AASnBC,SAAO,EAAE,SATU;AAUnBC,QAAM,EAAE,QAVW;AAWnBviB,iBAAe,EAAE,iBAXE;AAYnBwiB,OAAK,EAAE,OAZY;AAanBjsC,OAAK,EAAE,OAbY;AAcnBksC,kBAAgB,EAAE,kBAdC;AAenBC,eAAa,EAAE;AAfI,CAAd;;IAkBcC,2C;;;;;;;;;;;SACnBd,M,GAAA,kBAAU,CAAE,C;;SAEZe,S,GAAA,qBAAa,CAAE,C;;SAEfC,Q,GAAA,oBAAY;AACV,QAAIz8B,IAAI,GAAG,KAAK08B,WAAhB;;AACA,QAAI18B,IAAJ,EAAU;AACR,UAAIA,IAAI,CAAC8e,MAAT,EAAiB;AACf9e,YAAI,CAAC8e,MAAL,CAAY4J,KAAZ;AACD;;AACD,WAAK+P,eAAL,CAAqB1J,cAArB,CAAoC/uB,IAApC;AACD;;AACD,QAAI,KAAK+R,OAAT,EAAkB;AAChB,WAAKA,OAAL,CAAa1jB,OAAb;AACA,WAAK0jB,OAAL,GAAe,IAAf;AACD;;AACD,SAAK2qB,WAAL,GAAmB,IAAnB;AACA,SAAK3E,YAAL,GAAoB,IAApB;AACA,SAAKoD,aAAL;AACA,SAAKD,aAAL;AACA,SAAKt3B,KAAL,GAAa+3B,KAAK,CAACC,OAAnB;AACD,G;;SAEDe,Y,GAAA,sBAAc9L,UAAd,EAA0B/F,YAA1B,EAAwC;AAAA,QAC9B4R,WAD8B,GACG,IADH,CAC9BA,WAD8B;AAAA,QACjBjE,eADiB,GACG,IADH,CACjBA,eADiB,EAEtC;AACA;AACA;AACA;;AACA,QAAI,CAAC3N,YAAY,CAAC7K,IAAd,IAAsByc,WAAtB,IAAqC,CAACA,WAAW,CAAC9H,WAAlD,IAAiE8H,WAAW,CAAC5zB,EAAZ,KAAmBgiB,YAAY,CAAC/K,KAAjG,IAA0G,CAAC8Q,UAAU,CAACI,SAA1H,EAAqI;AACnI,UAAM2L,SAAS,GAAGnE,eAAe,CAAC9I,QAAhB,CAAyB+M,WAAzB,CAAlB;AACA,aAAOE,SAAS,KAAKpP,aAAa,CAACG,OAA5B,IAAuCiP,SAAS,KAAKpP,aAAa,CAACI,EAA1E;AACD;;AACD,WAAO,KAAP;AACD,G;;SAEDiP,c,GAAA,0BAAkB;AAAA,QACRluC,MADQ,GAC8B,IAD9B,CACRA,MADQ;AAAA,QACA41B,KADA,GAC8B,IAD9B,CACAA,KADA;AAAA,QACOuY,WADP,GAC8B,IAD9B,CACOA,WADP;AAAA,QACoBl5B,KADpB,GAC8B,IAD9B,CACoBA,KADpB;AAEhB,QAAMguB,WAAW,GAAGrN,KAAK,GAAGA,KAAK,CAACqN,WAAT,GAAuB,IAAhD;AACA,QAAMf,UAAU,GAAGF,YAAY,CAACE,UAAb,CAAwBiM,WAAW,IAAIvY,KAAvC,EAA8CqN,WAA9C,EAA2D,KAAKjjC,MAAL,CAAYygB,aAAvE,CAAnB;;AAEA,QAAI,0CAAgBwiB,WAAhB,CAAJ,EAAkC;AAChCviC,sBAAM,CAACC,GAAP,uBAA+BsiC,WAAW,CAACiE,OAAZ,CAAoB,CAApB,CAA/B;AACD;;AAED,QAAIjyB,KAAK,KAAK+3B,KAAK,CAACzgB,YAApB,EAAkC;AAChC,UAAIwhB,WAAW,GAAG,KAAKA,WAAvB,CADgC,CAEhC;;AACA,UAAI7L,UAAU,CAAC38B,GAAX,KAAmB,CAAnB,IAAwBwoC,WAA5B,EAAyC;AACvC,YAAMK,SAAS,GAAGpuC,MAAM,CAACgjC,sBAAzB;AACA,YAAMqL,eAAe,GAAGN,WAAW,CAACv/B,KAAZ,GAAoB4/B,SAA5C;AACA,YAAME,aAAa,GAAGP,WAAW,CAACv/B,KAAZ,GAAoBu/B,WAAW,CAAC9oC,QAAhC,GAA2CmpC,SAAjE,CAHuC,CAIvC;;AACA,YAAInL,WAAW,GAAGoL,eAAd,IAAiCpL,WAAW,GAAGqL,aAAnD,EAAkE;AAChE,cAAIP,WAAW,CAAC5d,MAAhB,EAAwB;AACtBzvB,4BAAM,CAACC,GAAP,CAAW,iFAAX;AACAotC,uBAAW,CAAC5d,MAAZ,CAAmB4J,KAAnB;AACD;;AACD,eAAKgU,WAAL,GAAmB,IAAnB;AACA,eAAK3E,YAAL,GAAoB,IAApB,CANgE,CAOhE;;AACA,eAAKn0B,KAAL,GAAa+3B,KAAK,CAACG,IAAnB;AACD,SATD,MASO;AACLzsC,0BAAM,CAACC,GAAP,CAAW,sEAAX;AACD;AACF;AACF,KArBD,MAqBO,IAAIsU,KAAK,KAAK+3B,KAAK,CAACS,KAApB,EAA2B;AAChC;AACA,UAAIvL,UAAU,CAAC38B,GAAX,KAAmB,CAAvB,EAA0B;AACxB,aAAK6jC,YAAL,GAAoB,IAApB;AACA,aAAK2E,WAAL,GAAmB,IAAnB;AACD,OAL+B,CAOhC;;;AACA,WAAK94B,KAAL,GAAa+3B,KAAK,CAACG,IAAnB;AACD;;AACD,QAAIvX,KAAJ,EAAW;AACT,WAAKyU,eAAL,GAAuBpH,WAAvB;AACD,KA1Ce,CA4ChB;;;AACA,QAAI,CAAC,KAAKsL,cAAV,EAA0B;AACxB,WAAKC,gBAAL,GAAwB,KAAKC,aAAL,GAAqBxL,WAA7C;AACD,KA/Ce,CAiDhB;;;AACA,SAAKqJ,IAAL;AACD,G;;SAEDoC,Y,GAAA,wBAAgB;AACd;AACA,SAAKD,aAAL,GAAqB,KAAKpE,eAAL,GAAuB,CAA5C;AACD,G;;SAEDzc,mB,GAAA,+BAAuB;AACrB,SAAKkgB,QAAL;;AACA,wBAAMlgB,mBAAN;AACD,G;;SAEDE,kB,GAAA,8BAAsB;AACpB,SAAK7Y,KAAL,GAAa+3B,KAAK,CAACC,OAAnB;AACA,SAAKnD,eAAL,GAAuB,IAAvB;AACD,G;;SAED6E,mB,GAAA,6BAAqBxG,OAArB,EAA8BhM,YAA9B,EAA4C;AAC1C,QAAIyS,aAAa,GAAG,KAAK5uC,MAAL,CAAY6uC,gBAAZ,KAAiClvC,SAAjC,GAA6C,KAAKK,MAAL,CAAY6uC,gBAAzD,GAA4E,KAAK7uC,MAAL,CAAY8uC,qBAAZ,GAAoC3S,YAAY,CAACxK,cAAjJ;AACA,WAAOwW,OAAO,GAAGjgC,IAAI,CAAC+U,GAAL,CAAS,CAAT,EAAYkf,YAAY,CAACvK,aAAb,GAA6Bgd,aAAzC,CAAjB;AACD,G;;;EA5G+C3C,Q;;;;;;;;;;;;;;;;ACvBlD;;;AAIA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AAEA,IAAM8C,aAAa,GAAG,GAAtB,C,CAA2B;;IAErBC,kC;;;;;AACJ,4BAAa1hB,GAAb,EAAkBwc,eAAlB,EAAmC;AAAA;;AACjC,6CAAMxc,GAAN,EACE/rB,iBAAK,CAACipB,cADR,EAEEjpB,iBAAK,CAACkpB,eAFR,EAGElpB,iBAAK,CAAC4pB,gBAHR,EAIE5pB,iBAAK,CAAC8pB,eAJR,EAKE9pB,iBAAK,CAACkqB,YALR,EAMElqB,iBAAK,CAAC0rB,UANR,EAOE1rB,iBAAK,CAACmrB,WAPR,EAQEnrB,iBAAK,CAACkrB,2BARR,EASElrB,iBAAK,CAAC+c,yBATR,EAUE/c,iBAAK,CAAC6f,iBAVR,EAWE7f,iBAAK,CAACoc,WAXR,EAYEpc,iBAAK,CAACC,KAZR,EAaED,iBAAK,CAACuqB,qBAbR,EAcEvqB,iBAAK,CAACwqB,oBAdR,EAeExqB,iBAAK,CAACspB,cAfR,EAgBEtpB,iBAAK,CAACwpB,eAhBR,EAiBExpB,iBAAK,CAAC2pB,cAjBR;AAmBA,UAAK4e,eAAL,GAAuBA,eAAvB;AACA,UAAK9pC,MAAL,GAAcstB,GAAG,CAACttB,MAAlB;AACA,UAAKivC,cAAL,GAAsB,KAAtB;AACA,UAAKC,MAAL,GAAclC,KAAK,CAACC,OAApB;AACA,UAAKjD,aAAL,GAAqB,KAArB;AACA,UAAKmF,aAAL,GAAqB,IAArB;AACA,UAAKC,QAAL,GAAgB,KAAhB;AA1BiC;AA2BlC;;;;SAEDvB,S,GAAA,mBAAWY,aAAX,EAA0B;AACxB,QAAI,KAAK3Z,MAAT,EAAiB;AACf,UAAIuV,eAAe,GAAG,KAAKA,eAA3B;AAAA,UAA4C/c,GAAG,GAAG,KAAKA,GAAvD;AACA,WAAKwgB,QAAL;AACA,WAAKnB,WAAL,CAAiBoC,aAAjB;AACA,WAAK9e,KAAL,GAAa,CAAC,CAAd;AACA,WAAKof,aAAL,GAAqB,CAArB;;AACA,UAAI,CAAC,KAAKC,kBAAV,EAA8B;AAC5B;AACA,YAAIC,UAAU,GAAGjiB,GAAG,CAACiiB,UAArB;;AACA,YAAIA,UAAU,KAAK,CAAC,CAApB,EAAuB;AACrB;AACAA,oBAAU,GAAG,CAAb;AACA,eAAKrO,WAAL,GAAmB,IAAnB;AACD,SAP2B,CAQ5B;AACA;;;AACA,aAAKjR,KAAL,GAAa3C,GAAG,CAACkiB,aAAJ,GAAoBD,UAAjC;AACA,aAAKhB,cAAL,GAAsB,KAAtB;AACD,OAlBc,CAmBf;;;AACA,UAAIlE,eAAe,GAAG,CAAlB,IAAuBoE,aAAa,KAAK,CAAC,CAA9C,EAAiD;AAC/C/tC,wBAAM,CAACC,GAAP,mDAA2D0pC,eAAe,CAACnD,OAAhB,CAAwB,CAAxB,CAA3D;AACAuH,qBAAa,GAAGpE,eAAhB;AACD;;AACD,WAAKp1B,KAAL,GAAa+3B,KAAK,CAACG,IAAnB;AACA,WAAKqB,gBAAL,GAAwB,KAAKC,aAAL,GAAqB,KAAKpE,eAAL,GAAuBoE,aAApE;AACA,WAAKnC,IAAL;AACD,KA3BD,MA2BO;AACL,WAAKmD,cAAL,GAAsB,IAAtB;AACA,WAAKx6B,KAAL,GAAa+3B,KAAK,CAACC,OAAnB;AACD;AACF,G;;SAEDa,Q,GAAA,oBAAY;AACV,SAAK2B,cAAL,GAAsB,KAAtB;;AACA,oCAAM3B,QAAN;AACD,G;;SAEDhB,M,GAAA,kBAAU;AACR,YAAQ,KAAK73B,KAAb;AACA,WAAK+3B,KAAK,CAAC/hB,eAAX;AACE;AACA,aAAKokB,aAAL,GAAqB,CAArB;AACA;;AACF,WAAKrC,KAAK,CAACG,IAAX;AACE,aAAKuC,WAAL;;AACA;;AACF,WAAK1C,KAAK,CAACW,aAAX;AACE,YAAI1d,KAAK,GAAG,KAAK6E,MAAL,CAAY,KAAK7E,KAAjB,CAAZ,CADF,CAEE;;AACA,YAAIA,KAAK,IAAIA,KAAK,CAACruB,OAAnB,EAA4B;AAC1B,eAAKqT,KAAL,GAAa+3B,KAAK,CAACG,IAAnB;AACD;;AAED;;AACF,WAAKH,KAAK,CAACK,0BAAX;AACE,YAAIrqB,GAAG,GAAGiV,MAAM,CAAChV,WAAP,CAAmBD,GAAnB,EAAV;AACA,YAAI2sB,SAAS,GAAG,KAAKA,SAArB,CAFF,CAGE;;AACA,YAAI,CAACA,SAAD,IAAe3sB,GAAG,IAAI2sB,SAAtB,IAAqC,KAAK/Z,KAAL,IAAc,KAAKA,KAAL,CAAWuU,OAAlE,EAA4E;AAC1EzpC,0BAAM,CAACC,GAAP,CAAW,+DAAX;AACA,eAAKsU,KAAL,GAAa+3B,KAAK,CAACG,IAAnB;AACD;;AACD;;AACF,WAAKH,KAAK,CAACxrC,KAAX;AACA,WAAKwrC,KAAK,CAACC,OAAX;AACA,WAAKD,KAAK,CAACzgB,YAAX;AACA,WAAKygB,KAAK,CAACO,OAAX;AACA,WAAKP,KAAK,CAACQ,MAAX;AACA,WAAKR,KAAK,CAACS,KAAX;AACE;;AACF;AACE;AAjCF,KADQ,CAoCR;;;AACA,SAAKmC,YAAL,GArCQ,CAsCR;;;AACA,SAAKC,qBAAL;AACD,G,CAED;AACA;AACA;;;SACAH,W,GAAA,uBAAe;AACb,QAAMpiB,GAAG,GAAG,KAAKA,GAAjB;AAAA,QACEttB,MAAM,GAAGstB,GAAG,CAACttB,MADf;AAAA,QAEE41B,KAAK,GAAG,KAAKA,KAFf,CADa,CAKb;AACA;AACA;;AACA,QAAI,KAAKka,eAAL,KAAyBnwC,SAAzB,IACF,CAACi2B,KAAD,KAAW,KAAK0Z,kBAAL,IAA2B,CAACtvC,MAAM,CAAC+vC,iBAA9C,CADF,EACqE;AACnE;AACD,KAXY,CAab;;;AACA,QAAIp7B,GAAJ;;AACA,QAAI,KAAK45B,cAAT,EAAyB;AACvB55B,SAAG,GAAGihB,KAAK,CAACqN,WAAZ;AACD,KAFD,MAEO;AACLtuB,SAAG,GAAG,KAAK65B,gBAAX;AACD,KAnBY,CAqBb;;;AACA,QAAIve,KAAK,GAAG3C,GAAG,CAACkiB,aAAhB;AAAA,QACEQ,SAAS,GAAG,KAAKlb,MAAL,CAAY7E,KAAZ,CADd;;AAGA,QAAI,CAAC+f,SAAL,EAAgB;AACd;AACD;;AAED,QAAIC,YAAY,GAAGD,SAAS,CAAC3a,OAA7B;AAAA,QACE6a,SADF,CA7Ba,CAgCb;;AACA,QAAID,YAAJ,EAAkB;AAChBC,eAAS,GAAGhoC,IAAI,CAAC+U,GAAL,CAAS,IAAIjd,MAAM,CAACmwC,aAAX,GAA2BF,YAApC,EAAkDjwC,MAAM,CAACowC,eAAzD,CAAZ;AACD,KAFD,MAEO;AACLF,eAAS,GAAGlwC,MAAM,CAACowC,eAAnB;AACD;;AAEDF,aAAS,GAAGhoC,IAAI,CAACC,GAAL,CAAS+nC,SAAT,EAAoBlwC,MAAM,CAACqwC,kBAA3B,CAAZ,CAvCa,CAyCb;AACA;;AAEA,QAAMnO,UAAU,GAAGF,YAAY,CAACE,UAAb,CAAwB,KAAKiM,WAAL,GAAmB,KAAKA,WAAxB,GAAsCvY,KAA9D,EAAqEjhB,GAArE,EAA0E3U,MAAM,CAACygB,aAAjF,CAAnB;AAAA,QACEkiB,SAAS,GAAGT,UAAU,CAAC38B,GADzB,CA5Ca,CA8Cb;;AACA,QAAIo9B,SAAS,IAAIuN,SAAjB,EAA4B;AAC1B;AACD,KAjDY,CAmDb;;;AACAxvC,oBAAM,CAAC6hB,KAAP,uBAAiCogB,SAAS,CAACuE,OAAV,CAAkB,CAAlB,CAAjC,yBAAyEgJ,SAAS,CAAChJ,OAAV,CAAkB,CAAlB,CAAzE,sCApDa,CAsDb;;AACA,SAAKjX,KAAL,GAAa3C,GAAG,CAACkiB,aAAJ,GAAoBvf,KAAjC;AAEA,QAAMkM,YAAY,GAAG6T,SAAS,CAACpuC,OAA/B,CAzDa,CA0Db;AACA;AACA;;AACA,QAAI,CAACu6B,YAAD,IAAkBA,YAAY,CAAC7K,IAAb,IAAqB,KAAKwe,eAAL,KAAyB7f,KAApE,EAA4E;AAC1E,WAAKhb,KAAL,GAAa+3B,KAAK,CAACW,aAAnB;AACA;AACD;;AAED,QAAI,KAAKK,YAAL,CAAkB9L,UAAlB,EAA8B/F,YAA9B,CAAJ,EAAiD;AAC/C,UAAM7hC,IAAI,GAAG,EAAb;;AACA,UAAI,KAAK80C,QAAT,EAAmB;AACjB90C,YAAI,CAACmH,IAAL,GAAY,OAAZ;AACD;;AAED,WAAK6rB,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAACypB,UAAvB,EAAmC1wB,IAAnC;AACA,WAAK2a,KAAL,GAAa+3B,KAAK,CAACS,KAAnB;AACA;AACD,KA3EY,CA4Eb;;;AACA,SAAK6C,kBAAL,CAAwB37B,GAAxB,EAA6ButB,UAA7B,EAAyC/F,YAAzC;AACD,G;;SAEDmU,kB,GAAA,4BAAoB37B,GAApB,EAAyButB,UAAzB,EAAqC/F,YAArC,EAAmD;AACjD,QAAMiN,YAAY,GAAG,KAAKA,YAA1B;AAAA,QACEnZ,KAAK,GAAG,KAAKA,KADf;AAAA,QAEEoB,SAAS,GAAG8K,YAAY,CAAC9K,SAF3B;AAAA,QAGEkf,OAAO,GAAGlf,SAAS,CAACh0B,MAHtB,CADiD,CAMjD;;AACA,QAAIkzC,OAAO,KAAK,CAAhB,EAAmB;AACjB;AACD,KATgD,CAWjD;;;AACA,QAAI/hC,KAAK,GAAG6iB,SAAS,CAAC,CAAD,CAAT,CAAa7iB,KAAzB;AAAA,QACE4T,GAAG,GAAGiP,SAAS,CAACkf,OAAO,GAAG,CAAX,CAAT,CAAuB/hC,KAAvB,GAA+B6iB,SAAS,CAACkf,OAAO,GAAG,CAAX,CAAT,CAAuBtrC,QAD9D;AAAA,QAEE69B,SAAS,GAAGZ,UAAU,CAAC9f,GAFzB;AAAA,QAGE/Q,IAHF;;AAKA,QAAI8qB,YAAY,CAACp3B,WAAb,IAA4B,CAACo3B,YAAY,CAACp3B,WAAb,CAAyBzK,IAA1D,EAAgE;AAC9D+W,UAAI,GAAG8qB,YAAY,CAACp3B,WAApB;AACD,KAFD,MAEO;AACL;AACA,UAAIo3B,YAAY,CAAC7K,IAAjB,EAAuB;AACrB,YAAIkf,uBAAuB,GAAG,KAAKxwC,MAAL,CAAYwwC,uBAA1C;;AACA,YAAID,OAAO,GAAGC,uBAAd,EAAuC;AACrC9vC,0BAAM,CAACgN,IAAP,sEAA+E6iC,OAA/E,WAA4FC,uBAA5F;AACA;AACD;;AAEDn/B,YAAI,GAAG,KAAKo/B,0BAAL,CAAgCtU,YAAhC,EAA8C2G,SAA9C,EAAyDt0B,KAAzD,EAAgE4T,GAAhE,EAAqEgnB,YAArE,EAAmF/X,SAAnF,EAA8Fkf,OAA9F,CAAP,CAPqB,CAQrB;;AACA,YAAIl/B,IAAI,KAAK,IAAb,EAAmB;AACjB;AACD;AACF,OAZD,MAYO;AACL;AACA,YAAIyxB,SAAS,GAAGt0B,KAAhB,EAAuB;AACrB6C,cAAI,GAAGggB,SAAS,CAAC,CAAD,CAAhB;AACD;AACF;AACF;;AACD,QAAI,CAAChgB,IAAL,EAAW;AACTA,UAAI,GAAG,KAAKq/B,aAAL,CAAmBliC,KAAnB,EAA0B46B,YAA1B,EAAwCmH,OAAxC,EAAiDlf,SAAjD,EAA4DyR,SAA5D,EAAuE1gB,GAAvE,EAA4E+Z,YAA5E,CAAP;AACD;;AAED,QAAI9qB,IAAJ,EAAU;AACR,UAAIA,IAAI,CAACs/B,SAAT,EAAoB;AAClBjwC,wBAAM,CAACC,GAAP,sBAA8B0Q,IAAI,CAAC8I,EAAnC,aAA6CgiB,YAAY,CAAC1K,OAA1D,UAAsE0K,YAAY,CAAC/K,KAAnF,gBAAmGnB,KAAnG;;AACA,aAAK2gB,QAAL,CAAcv/B,IAAd;AACD,OAHD,MAGO;AACL3Q,wBAAM,CAACC,GAAP,cAAsB0Q,IAAI,CAAC8I,EAA3B,aAAqCgiB,YAAY,CAAC1K,OAAlD,UAA8D0K,YAAY,CAAC/K,KAA3E,gBAA2FnB,KAA3F,sBAAiHtb,GAAG,CAACuyB,OAAJ,CAAY,CAAZ,CAAjH,mBAA6IpE,SAAS,CAACoE,OAAV,CAAkB,CAAlB,CAA7I;;AACA,aAAK2J,aAAL,CAAmBx/B,IAAnB;AACD;AACF;AACF,G;;SAEDo/B,0B,GAAA,oCAA4BtU,YAA5B,EAA0C2G,SAA1C,EAAqDt0B,KAArD,EAA4D4T,GAA5D,EAAiEgnB,YAAjE,EAA+E/X,SAA/E,EAA0Fkf,OAA1F,EAAmG;AACjG,QAAMvwC,MAAM,GAAG,KAAKstB,GAAL,CAASttB,MAAxB;AAAA,QAAgC41B,KAAK,GAAG,KAAKA,KAA7C;AAEA,QAAIvkB,IAAJ,CAHiG,CAKjG;AACA;;AACA,QAAIy/B,UAAU,GAAG9wC,MAAM,CAAC+wC,sBAAP,KAAkCpxC,SAAlC,GAA8CK,MAAM,CAAC+wC,sBAArD,GAA8E/wC,MAAM,CAACgxC,2BAAP,GAAqC7U,YAAY,CAACxK,cAAjJ;;AAEA,QAAImR,SAAS,GAAG56B,IAAI,CAAC+U,GAAL,CAASzO,KAAK,GAAGxO,MAAM,CAACgjC,sBAAxB,EAAgD5gB,GAAG,GAAG0uB,UAAtD,CAAhB,EAAmF;AACjF,UAAIG,gBAAgB,GAAG,KAAKA,gBAAL,GAAwB,KAAKtC,mBAAL,CAAyBngC,KAAzB,EAAgC2tB,YAAhC,CAA/C;AACA2G,eAAS,GAAGmO,gBAAZ;;AACA,UAAIrb,KAAK,IAAI,CAACA,KAAK,CAAC+U,MAAhB,IAA0B/U,KAAK,CAACsb,UAAhC,IAA8Ctb,KAAK,CAAC3wB,QAAN,GAAiBgsC,gBAA/D,IAAmFA,gBAAgB,GAAGrb,KAAK,CAACqN,WAAhH,EAA6H;AAC3HviC,wBAAM,CAACC,GAAP,kBAA0BmiC,SAAS,CAACoE,OAAV,CAAkB,CAAlB,CAA1B,0FAAmI+J,gBAAgB,CAAC/J,OAAjB,CAAyB,CAAzB,CAAnI;AACAtR,aAAK,CAACqN,WAAN,GAAoBgO,gBAApB;AACD;;AAED,WAAKzC,gBAAL,GAAwByC,gBAAxB;AACD,KAlBgG,CAoBjG;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;;AACA,QAAI9U,YAAY,CAACqJ,QAAb,IAAyB1C,SAAS,GAAG1gB,GAArC,IAA4CwT,KAA5C,IAAqDA,KAAK,CAACsb,UAA/D,EAA2E;AACzE,aAAO,IAAP;AACD;;AAED,QAAI,KAAK5B,kBAAL,IAA2B,CAACnT,YAAY,CAACqJ,QAA7C,EAAuD;AACrD;;;;AAIA,UAAI4D,YAAJ,EAAkB;AAChB,YAAIjN,YAAY,CAACsM,kBAAjB,EAAqC;AACnC;AACA/nC,0BAAM,CAACC,GAAP,kEAA0EyoC,YAAY,CAAC1Z,eAAvF;AACAre,cAAI,GAAGu3B,iBAAiB,CAACvX,SAAD,EAAY+X,YAAY,CAACpR,kBAAzB,EAA6Ch4B,MAAM,CAACgjC,sBAApD,CAAxB;AACD,SAJD,MAIO;AACL;AACA,cAAMmO,QAAQ,GAAG/H,YAAY,CAACjvB,EAAb,GAAkB,CAAnC;;AACA,cAAIg3B,QAAQ,IAAIhV,YAAY,CAAC1K,OAAzB,IAAoC0f,QAAQ,IAAIhV,YAAY,CAAC/K,KAAjE,EAAwE;AACtE,gBAAMiY,QAAQ,GAAGhY,SAAS,CAAC8f,QAAQ,GAAGhV,YAAY,CAAC1K,OAAzB,CAA1B;;AACA,gBAAI2X,YAAY,CAACvZ,EAAb,KAAoBwZ,QAAQ,CAACxZ,EAAjC,EAAqC;AACnCxe,kBAAI,GAAGg4B,QAAP;AACA3oC,8BAAM,CAACC,GAAP,iEAAyE0Q,IAAI,CAAC8I,EAA9E;AACD;AACF,WATI,CAUL;AACA;;;AACA,cAAI,CAAC9I,IAAL,EAAW;AACTA,gBAAI,GAAGkwB,aAAY,CAACC,MAAb,CAAoBnQ,SAApB,EAA+B,UAAUhgB,IAAV,EAAgB;AACpD,qBAAO+3B,YAAY,CAACvZ,EAAb,GAAkBxe,IAAI,CAACwe,EAA9B;AACD,aAFM,CAAP;;AAGA,gBAAIxe,IAAJ,EAAU;AACR3Q,8BAAM,CAACC,GAAP,iEAAyE0Q,IAAI,CAAC8I,EAA9E;AACD;AACF;AACF;AACF;;AACD,UAAI,CAAC9I,IAAL,EAAW;AACT;;;AAGAA,YAAI,GAAGggB,SAAS,CAACnpB,IAAI,CAACC,GAAL,CAASooC,OAAO,GAAG,CAAnB,EAAsBroC,IAAI,CAAC6J,KAAL,CAAWw+B,OAAO,GAAG,CAArB,CAAtB,CAAD,CAAhB;AACA7vC,wBAAM,CAACC,GAAP,qEAA6E0Q,IAAI,CAAC8I,EAAlF;AACD;AACF;;AAED,WAAO9I,IAAP;AACD,G;;SAEDq/B,a,GAAA,uBAAeliC,KAAf,EAAsB4iC,gBAAtB,EAAwCC,kBAAxC,EAA4DhgB,SAA5D,EAAuEyR,SAAvE,EAAkF1gB,GAAlF,EAAuF+Z,YAAvF,EAAqG;AACnG,QAAMn8B,MAAM,GAAG,KAAKstB,GAAL,CAASttB,MAAxB;AACA,QAAIsxC,YAAJ;;AAEA,QAAIxO,SAAS,GAAG1gB,GAAhB,EAAqB;AACnB,UAAMmvB,eAAe,GAAIzO,SAAS,GAAG1gB,GAAG,GAAGpiB,MAAM,CAACgjC,sBAA1B,GAAoD,CAApD,GAAwDhjC,MAAM,CAACgjC,sBAAvF,CADmB,CAEnB;AACA;;AACAsO,kBAAY,GAAGnI,iBAAiB,CAACiI,gBAAD,EAAmB/f,SAAnB,EAA8ByR,SAA9B,EAAyCyO,eAAzC,CAAhC;AACD,KALD,MAKO;AACL;AACAD,kBAAY,GAAGjgB,SAAS,CAACggB,kBAAkB,GAAG,CAAtB,CAAxB;AACD;;AAED,QAAIC,YAAJ,EAAkB;AAChB,UAAME,QAAQ,GAAGF,YAAY,CAACn3B,EAAb,GAAkBgiB,YAAY,CAAC1K,OAAhD;AACA,UAAMggB,SAAS,GAAGL,gBAAgB,IAAIE,YAAY,CAACrhB,KAAb,KAAuBmhB,gBAAgB,CAACnhB,KAA9E;AACA,UAAMyhB,UAAU,GAAGrgB,SAAS,CAACmgB,QAAQ,GAAG,CAAZ,CAA5B;AACA,UAAMG,UAAU,GAAGtgB,SAAS,CAACmgB,QAAQ,GAAG,CAAZ,CAA5B,CAJgB,CAMhB;;AACA,UAAIJ,gBAAgB,IAAIE,YAAY,CAACn3B,EAAb,KAAoBi3B,gBAAgB,CAACj3B,EAA7D,EAAiE;AAC/D,YAAIs3B,SAAS,IAAI,CAACH,YAAY,CAACrL,WAA/B,EAA4C;AAC1C,cAAIqL,YAAY,CAACn3B,EAAb,GAAkBgiB,YAAY,CAAC/K,KAAnC,EAA0C;AACxC,gBAAI5B,QAAQ,GAAG4hB,gBAAgB,CAAC5hB,QAAhC,CADwC,CAExC;AACA;AACA;AACA;;AACA,gBAAIA,QAAQ,IAAIA,QAAQ,GAAGxvB,MAAM,CAACygB,aAA9B,IAA+C2wB,gBAAgB,CAACtjC,OAAhE,IAA2E0jC,QAA/E,EAAyF;AACvFF,0BAAY,GAAGI,UAAf;AACAhxC,8BAAM,CAACgN,IAAP,CAAY,wKAAZ;AACD,aAHD,MAGO;AACL4jC,0BAAY,GAAGK,UAAf;AACAjxC,8BAAM,CAACC,GAAP,mCAA2C2wC,YAAY,CAACn3B,EAAxD;AACD;AACF,WAbD,MAaO;AACLm3B,wBAAY,GAAG,IAAf;AACD;AACF,SAjBD,MAiBO,IAAIA,YAAY,CAACrL,WAAjB,EAA8B;AACnC;AACA,cAAI0L,UAAU,IAAIA,UAAU,CAAC1L,WAA7B,EAA0C;AACxCvlC,4BAAM,CAACgN,IAAP,wCAAiDikC,UAAU,CAACx3B,EAA5D,yCAAkGm3B,YAAY,CAACn3B,EAA/G,2BAAuIw3B,UAAU,CAACx3B,EAAlJ;AACAm3B,wBAAY,GAAGK,UAAf;AACD,WAHD,MAGO;AACL;AACA;AACAjxC,4BAAM,CAACgN,IAAP,CAAY,gFAAZ;AACA4jC,wBAAY,CAACxjC,OAAb,GAAuB,CAAvB;;AACA,gBAAI4jC,UAAJ,EAAgB;AACdJ,0BAAY,GAAGI,UAAf;AACAJ,0BAAY,CAACrL,WAAb,GAA2B,IAA3B;AACD,aAHD,MAGO,IAAIuL,QAAJ,EAAc;AACnB;AACAF,0BAAY,GAAG,IAAf;AACD;AACF;AACF;AACF;AACF;;AAED,WAAOA,YAAP;AACD,G;;SAEDV,Q,GAAA,kBAAUv/B,IAAV,EAAgB;AACd,SAAK4D,KAAL,GAAa+3B,KAAK,CAAChgB,WAAnB;AACA,SAAKM,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAACyrB,WAAvB,EAAoC;AAAE3b,UAAI,EAAJA;AAAF,KAApC;AACD,G;;SAEDw/B,a,GAAA,uBAAex/B,IAAf,EAAqB;AACnB;AACA,QAAI48B,SAAS,GAAG,KAAKnE,eAAL,CAAqB9I,QAArB,CAA8B3vB,IAA9B,CAAhB;AAEA,SAAK08B,WAAL,GAAmB18B,IAAnB;;AACA,QAAIA,IAAI,CAAC8I,EAAL,KAAY,aAAhB,EAA+B;AAC7B,WAAKm1B,kBAAL,GAA0B,IAA1B;AACD,KAPkB,CAQnB;;;AACA,QAAI,0CAAgBj+B,IAAI,CAAC8I,EAArB,KAA4B,CAAC9I,IAAI,CAAC6vB,WAAtC,EAAmD;AACjD,WAAKsN,gBAAL,GAAwBn9B,IAAI,CAAC7C,KAAL,GAAa6C,IAAI,CAACpM,QAA1C;AACD,KAXkB,CAanB;;;AACA,QAAIoM,IAAI,CAAC40B,WAAL,IAAoBgI,SAAS,KAAKpP,aAAa,CAACC,UAAhD,IAA8DmP,SAAS,KAAKpP,aAAa,CAACG,OAA9F,EAAuG;AACrG3tB,UAAI,CAACugC,SAAL,GAAiB,KAAKtkB,GAAL,CAASukB,gBAA1B;AACAxgC,UAAI,CAAC6vB,WAAL,GAAmB,KAAKA,WAAxB;AAEA,WAAK5T,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAACgrB,YAAvB,EAAqC;AAAElb,YAAI,EAAJA;AAAF,OAArC,EAJqG,CAKrG;;AACA,UAAI,CAAC,KAAK+R,OAAV,EAAmB;AACjB,aAAKA,OAAL,GAAe,IAAIigB,aAAJ,CAAY,KAAK/V,GAAjB,EAAsB,MAAtB,CAAf;AACD;;AAED,WAAKrY,KAAL,GAAa+3B,KAAK,CAACzgB,YAAnB;AACD,KAXD,MAWO,IAAI0hB,SAAS,KAAKpP,aAAa,CAACE,SAAhC,EAA2C;AAChD;AACA,UAAI,KAAK+S,sBAAL,CAA4BzgC,IAAI,CAACpM,QAAjC,CAAJ,EAAgD;AAC9C,aAAK6kC,eAAL,CAAqB1J,cAArB,CAAoC/uB,IAApC;AACD;AACF;AACF,G;;SAeDiuB,e,GAAA,yBAAiBx3B,QAAjB,EAA2B;AACzB,WAAO,KAAKgiC,eAAL,CAAqBxK,eAArB,CAAqCx3B,QAArC,EAA+CymB,iBAAiB,CAACmK,IAAjE,CAAP;AACD,G;;SAuBDqZ,qB,GAAA,+BAAuB1gC,IAAvB,EAA6B;AAC3B,QAAIA,IAAJ,EAAU;AACR;AACA,aAAO,KAAKiuB,eAAL,CAAqBjuB,IAAI,CAAC+L,MAAL,GAAc,GAAnC,CAAP;AACD;;AACD,WAAO,IAAP;AACD,G;;SAWDyyB,qB,GAAA,iCAAyB;AACvB,QAAImC,kBAAJ;AAAA,QAAwB/O,WAAxB;AAAA,QAAqCl2B,KAAK,GAAG,KAAK6oB,KAAlD;;AACA,QAAI7oB,KAAK,IAAIA,KAAK,CAACmkC,UAAf,IAA6BnkC,KAAK,CAACo9B,OAAN,KAAkB,KAAnD,EAA0D;AACxDlH,iBAAW,GAAGl2B,KAAK,CAACk2B,WAApB;AACA;;;;;;;AAMA,UAAIA,WAAW,GAAG,KAAKoH,eAAvB,EAAwC;AACtC,aAAKA,eAAL,GAAuBpH,WAAvB;AACD;;AAED,UAAIjB,YAAY,CAACC,UAAb,CAAwBl1B,KAAxB,EAA+Bk2B,WAA/B,CAAJ,EAAiD;AAC/C+O,0BAAkB,GAAG,KAAK1S,eAAL,CAAqB2D,WAArB,CAArB;AACD,OAFD,MAEO,IAAIjB,YAAY,CAACC,UAAb,CAAwBl1B,KAAxB,EAA+Bk2B,WAAW,GAAG,GAA7C,CAAJ,EAAuD;AAC5D;;;;;AAKA+O,0BAAkB,GAAG,KAAK1S,eAAL,CAAqB2D,WAAW,GAAG,GAAnC,CAArB;AACD;;AACD,UAAI+O,kBAAJ,EAAwB;AACtB,YAAIC,WAAW,GAAGD,kBAAlB;;AACA,YAAIC,WAAW,KAAK,KAAKA,WAAzB,EAAsC;AACpC,eAAK3kB,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAACqrB,YAAvB,EAAqC;AAAEvb,gBAAI,EAAE4gC;AAAR,WAArC;AACA,cAAMC,gBAAgB,GAAGD,WAAW,CAAChiB,KAArC;;AACA,cAAI,CAAC,KAAKgiB,WAAN,IAAqB,KAAKA,WAAL,CAAiBhiB,KAAjB,KAA2BiiB,gBAApD,EAAsE;AACpE,iBAAK5kB,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAACgqB,cAAvB,EAAuC;AAAE0E,mBAAK,EAAEiiB;AAAT,aAAvC;AACD;;AAED,eAAKD,WAAL,GAAmBA,WAAnB;AACD;AACF;AACF;AACF;AAED;;;;;;;;SAMAE,oB,GAAA,gCAAwB;AACtBzxC,oBAAM,CAACC,GAAP,CAAW,sBAAX;;AACA,QAAI,CAAC,KAAKyxC,eAAV,EAA2B;AACzB,WAAKA,eAAL,GAAuB,IAAvB;AACA,UAAIxc,KAAK,GAAG,KAAKA,KAAjB;AAAA,UAAwByc,gBAAxB;;AACA,UAAIzc,KAAJ,EAAW;AACTyc,wBAAgB,GAAGzc,KAAK,CAAC+U,MAAzB;AACA/U,aAAK,CAAC0c,KAAN;AACD,OAHD,MAGO;AACL;AACAD,wBAAgB,GAAG,IAAnB;AACD;;AACD,WAAKA,gBAAL,GAAwBA,gBAAxB;AACD;;AACD,QAAItE,WAAW,GAAG,KAAKA,WAAvB;;AACA,QAAIA,WAAW,IAAIA,WAAW,CAAC5d,MAA/B,EAAuC;AACrC4d,iBAAW,CAAC5d,MAAZ,CAAmB4J,KAAnB;AACD;;AAED,SAAKgU,WAAL,GAAmB,IAAnB,CAnBsB,CAoBtB;;AACA,SAAKwE,eAAL,CAAqB,CAArB,EAAwBjgB,MAAM,CAACkgB,iBAA/B;AACD;AAED;;;;;;;SAKAC,uB,GAAA,mCAA2B;AACzB,QAAM7c,KAAK,GAAG,KAAKA,KAAnB;;AACA,QAAIA,KAAK,IAAIA,KAAK,CAAC8J,QAAN,CAAeriC,MAA5B,EAAoC;AAClC,WAAK+0C,eAAL,GAAuB,KAAvB;;AACA,UAAIpQ,YAAY,CAACC,UAAb,CAAwBrM,KAAxB,EAA+BA,KAAK,CAACqN,WAArC,CAAJ,EAAuD;AACrD;AACArN,aAAK,CAACqN,WAAN,IAAqB,MAArB;AACD;;AACD,UAAI,CAAC,KAAKoP,gBAAV,EAA4B;AAC1Bzc,aAAK,CAAC8c,IAAN;AACD;AACF;AACF;AAED;;;;;;;;SAMAC,e,GAAA,2BAAmB;AACjB,QAAM/c,KAAK,GAAG,KAAKA,KAAnB,CADiB,CAEjB;;AACA,QAAIA,KAAK,IAAIA,KAAK,CAACsb,UAAnB,EAA+B;AAC7B,UAAI0B,UAAJ,EAAgBZ,kBAAhB,EAAoCa,gBAApC;AACAb,wBAAkB,GAAG,KAAK1S,eAAL,CAAqB1J,KAAK,CAACqN,WAA3B,CAArB;;AACA,UAAI+O,kBAAkB,IAAIA,kBAAkB,CAAC30B,QAAnB,GAA8B,CAAxD,EAA2D;AACzD;AACA;AACA,aAAKk1B,eAAL,CAAqB,CAArB,EAAwBP,kBAAkB,CAAC30B,QAAnB,GAA8B,CAAtD;AACD;;AACD,UAAI,CAACuY,KAAK,CAAC+U,MAAX,EAAmB;AACjB;AACA,YAAImI,WAAW,GAAG,KAAKxlB,GAAL,CAASkiB,aAA3B;AAAA,YAA0CuD,SAAS,GAAG,KAAKje,MAAL,CAAYge,WAAZ,CAAtD;AAAA,YAAgFE,YAAY,GAAG,KAAKA,YAApG;;AACA,YAAIA,YAAY,IAAI,KAAKjF,WAAzB,EAAsC;AACpC6E,oBAAU,GAAG,KAAK7E,WAAL,CAAiB9oC,QAAjB,GAA4B8tC,SAAS,CAAC1d,OAAtC,IAAiD,OAAO2d,YAAxD,IAAwE,CAArF;AACD,SAFD,MAEO;AACLJ,oBAAU,GAAG,CAAb;AACD;AACF,OARD,MAQO;AACLA,kBAAU,GAAG,CAAb;AACD,OAlB4B,CAmB7B;AACA;;;AACAC,sBAAgB,GAAG,KAAKvT,eAAL,CAAqB1J,KAAK,CAACqN,WAAN,GAAoB2P,UAAzC,CAAnB;;AACA,UAAIC,gBAAJ,EAAsB;AACpB;AACAA,wBAAgB,GAAG,KAAKd,qBAAL,CAA2Bc,gBAA3B,CAAnB;;AACA,YAAIA,gBAAJ,EAAsB;AACpB;AACA,cAAI9E,WAAW,GAAG,KAAKA,WAAvB;;AACA,cAAIA,WAAW,IAAIA,WAAW,CAAC5d,MAA/B,EAAuC;AACrC4d,uBAAW,CAAC5d,MAAZ,CAAmB4J,KAAnB;AACD;;AAED,eAAKgU,WAAL,GAAmB,IAAnB,CAPoB,CAQpB;AACA;AACA;;AACA,eAAKwE,eAAL,CAAqBM,gBAAgB,CAACxN,WAAtC,EAAmD/S,MAAM,CAACkgB,iBAA1D;AACD;AACF;AACF;AACF,G;;SAEDD,e,GAAA,yBAAiB38B,WAAjB,EAA8Bq9B,SAA9B,EAAyC;AACvC,SAAKh+B,KAAL,GAAa+3B,KAAK,CAAC/hB,eAAnB;AACA,QAAIioB,UAAU,GAAG;AAAEt9B,iBAAW,EAAEA,WAAf;AAA4Bq9B,eAAS,EAAEA;AAAvC,KAAjB,CAFuC,CAGvC;;AACA,QAAI,KAAK7D,QAAT,EAAmB;AACjB8D,gBAAU,CAACzxC,IAAX,GAAkB,OAAlB;AACD;;AAED,SAAK6rB,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAAC0pB,eAAvB,EAAwCioB,UAAxC;AACD,G;;SAEDC,e,GAAA,yBAAiB74C,IAAjB,EAAuB;AACrB,QAAIs7B,KAAK,GAAG,KAAKA,KAAL,GAAa,KAAKuY,WAAL,GAAmB7zC,IAAI,CAACs7B,KAAjD;AACA,SAAKwd,UAAL,GAAkB,KAAKlF,cAAL,CAAoBzjC,IAApB,CAAyB,IAAzB,CAAlB;AACA,SAAK4oC,SAAL,GAAiB,KAAKC,aAAL,CAAmB7oC,IAAnB,CAAwB,IAAxB,CAAjB;AACA,SAAK8oC,QAAL,GAAgB,KAAK7E,YAAL,CAAkBjkC,IAAlB,CAAuB,IAAvB,CAAhB;AACAmrB,SAAK,CAAC/Q,gBAAN,CAAuB,SAAvB,EAAkC,KAAKuuB,UAAvC;AACAxd,SAAK,CAAC/Q,gBAAN,CAAuB,QAAvB,EAAiC,KAAKwuB,SAAtC;AACAzd,SAAK,CAAC/Q,gBAAN,CAAuB,OAAvB,EAAgC,KAAK0uB,QAArC;AACA,QAAIvzC,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAI,KAAK80B,MAAL,IAAe90B,MAAM,CAACwzC,aAA1B,EAAyC;AACvC,WAAKlmB,GAAL,CAASugB,SAAT,CAAmB7tC,MAAM,CAACyuC,aAA1B;AACD;;AAED,SAAKU,aAAL,GAAqB,IAAItF,4BAAJ,CAAkB7pC,MAAlB,EAA0B41B,KAA1B,EAAiC,KAAKkU,eAAtC,EAAuD,KAAKxc,GAA5D,CAArB;AACD,G;;SAEDmmB,gB,GAAA,4BAAoB;AAClB,QAAI7d,KAAK,GAAG,KAAKA,KAAjB;;AACA,QAAIA,KAAK,IAAIA,KAAK,CAACgV,KAAnB,EAA0B;AACxBlqC,sBAAM,CAACC,GAAP,CAAW,oDAAX;AACA,WAAK8tC,aAAL,GAAqB,KAAKpE,eAAL,GAAuB,CAA5C;AACD,KALiB,CAOlB;;;AACA,QAAIvV,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAIA,MAAJ,EAAY;AACVA,YAAM,CAAChiB,OAAP,CAAe,UAAAmd,KAAK,EAAI;AACtB,YAAIA,KAAK,CAACruB,OAAV,EAAmB;AACjBquB,eAAK,CAACruB,OAAN,CAAcyvB,SAAd,CAAwBve,OAAxB,CAAgC,UAAA4W,QAAQ,EAAI;AAC1CA,oBAAQ,CAACuc,WAAT,GAAuBtmC,SAAvB;AACD,WAFD;AAGD;AACF,OAND;AAOD,KAjBiB,CAmBlB;;;AACA,QAAIi2B,KAAJ,EAAW;AACTA,WAAK,CAACyO,mBAAN,CAA0B,SAA1B,EAAqC,KAAK+O,UAA1C;AACAxd,WAAK,CAACyO,mBAAN,CAA0B,QAA1B,EAAoC,KAAKgP,SAAzC;AACAzd,WAAK,CAACyO,mBAAN,CAA0B,OAA1B,EAAmC,KAAKkP,QAAxC;AACA,WAAKH,UAAL,GAAkB,KAAKC,SAAL,GAAiB,KAAKE,QAAL,GAAgB,IAAnD;AACD;;AAED,SAAKzJ,eAAL,CAAqBxI,kBAArB;AACA,SAAK1L,KAAL,GAAa,KAAKuY,WAAL,GAAmB,IAAhC;AACA,SAAKI,cAAL,GAAsB,KAAtB;AACA,SAAKT,QAAL;AACD,G;;SAEDwF,a,GAAA,yBAAiB;AACf,QAAM1d,KAAK,GAAG,KAAKA,KAAnB;AACA,QAAMqN,WAAW,GAAGrN,KAAK,GAAGA,KAAK,CAACqN,WAAT,GAAuBtjC,SAAhD;AAFe,QAGP8qC,mBAHO,GAGiB,KAAKzqC,MAHtB,CAGPyqC,mBAHO,EAKf;;AACA,QAAI,CAACA,mBAAD,IAAwB,CAAC,KAAK0E,aAAL,CAAmBzE,2BAAnB,EAA7B,EAA+E;AAC7E,WAAKpd,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAAC4rB,mBAAvB;AACD;;AAED,QAAI,0CAAgB8V,WAAhB,CAAJ,EAAkC;AAChCviC,sBAAM,CAACC,GAAP,sBAA8BsiC,WAAW,CAACiE,OAAZ,CAAoB,CAApB,CAA9B;AACD,KAZc,CAcf;;;AACA,SAAKoF,IAAL;AACD,G;;SAEDhT,iB,GAAA,6BAAqB;AACnB;AACA54B,oBAAM,CAACC,GAAP,CAAW,sBAAX;AACA,SAAK2sB,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAACopB,YAAvB;AACA,SAAKmf,eAAL,CAAqBxI,kBAArB;AACA,SAAK2I,OAAL,GAAe,KAAf;AACA,SAAKwE,aAAL,GAAqB,KAAKpE,eAAL,GAAuB,CAA5C;AACD,G;;SAEDqJ,gB,GAAA,0BAAkBp5C,IAAlB,EAAwB;AACtB,QAAIq5C,GAAG,GAAG,KAAV;AAAA,QAAiBC,KAAK,GAAG,KAAzB;AAAA,QAAgC1wC,KAAhC;AACA5I,QAAI,CAACw6B,MAAL,CAAYhiB,OAAZ,CAAoB,UAAAmd,KAAK,EAAI;AAC3B;AACA/sB,WAAK,GAAG+sB,KAAK,CAAC/tB,UAAd;;AACA,UAAIgB,KAAJ,EAAW;AACT,YAAIA,KAAK,CAACH,OAAN,CAAc,WAAd,MAA+B,CAAC,CAApC,EAAuC;AACrC4wC,aAAG,GAAG,IAAN;AACD;;AAED,YAAIzwC,KAAK,CAACH,OAAN,CAAc,WAAd,MAA+B,CAAC,CAApC,EAAuC;AACrC6wC,eAAK,GAAG,IAAR;AACD;AACF;AACF,KAZD;AAaA,SAAKC,gBAAL,GAAyBF,GAAG,IAAIC,KAAhC;;AACA,QAAI,KAAKC,gBAAT,EAA2B;AACzBnzC,sBAAM,CAACC,GAAP,CAAW,wEAAX;AACD;;AAED,SAAKyuC,QAAL,GAAgB90C,IAAI,CAAC80C,QAArB;AACA,SAAKta,MAAL,GAAcx6B,IAAI,CAACw6B,MAAnB;AACA,SAAKwa,kBAAL,GAA0B,KAA1B;AACA,QAAItvC,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAIA,MAAM,CAACwzC,aAAP,IAAwB,KAAK/D,cAAjC,EAAiD;AAC/C,WAAKniB,GAAL,CAASugB,SAAT,CAAmB7tC,MAAM,CAACyuC,aAA1B;AACD;AACF,G;;SAEDqF,a,GAAA,uBAAex5C,IAAf,EAAqB;AACnB,QAAMqrC,UAAU,GAAGrrC,IAAI,CAACsH,OAAxB;AACA,QAAMmyC,UAAU,GAAGz5C,IAAI,CAAC21B,KAAxB;AACA,QAAMyX,SAAS,GAAG,KAAK5S,MAAL,CAAY,KAAKgb,eAAjB,CAAlB;AACA,QAAMkE,QAAQ,GAAG,KAAKlf,MAAL,CAAYif,UAAZ,CAAjB;AACA,QAAM9uC,QAAQ,GAAG0gC,UAAU,CAAC/T,aAA5B;AACA,QAAIuW,OAAO,GAAG,CAAd;AAEAznC,oBAAM,CAACC,GAAP,YAAoBozC,UAApB,iBAA0CpO,UAAU,CAAClU,OAArD,SAAgEkU,UAAU,CAACvU,KAA3E,mBAA8FnsB,QAA9F;;AAEA,QAAI0gC,UAAU,CAACrU,IAAf,EAAqB;AACnB,UAAIwW,UAAU,GAAGkM,QAAQ,CAACpyC,OAA1B;;AACA,UAAIkmC,UAAU,IAAInC,UAAU,CAACtU,SAAX,CAAqBh0B,MAArB,GAA8B,CAAhD,EAAmD;AACjD;AACA42C,oBAAA,CAAyBnM,UAAzB,EAAqCnC,UAArC;AACAwC,eAAO,GAAGxC,UAAU,CAACtU,SAAX,CAAqB,CAArB,EAAwB7iB,KAAlC;AACA,aAAKyiC,gBAAL,GAAwB,KAAKtC,mBAAL,CAAyBxG,OAAzB,EAAkCL,UAAlC,CAAxB;;AACA,YAAInC,UAAU,CAACH,QAAX,IAAuB,0CAAgB2C,OAAhB,CAA3B,EAAqD;AACnDznC,0BAAM,CAACC,GAAP,4BAAoCwnC,OAAO,CAACjB,OAAR,CAAgB,CAAhB,CAApC;AACD,SAFD,MAEO;AACLxmC,0BAAM,CAACC,GAAP,CAAW,+CAAX;AACAynC,qBAAW,CAAC,KAAKgB,YAAN,EAAoB1B,SAApB,EAA+B/B,UAA/B,CAAX;AACD;AACF,OAXD,MAWO;AACLjlC,wBAAM,CAACC,GAAP,CAAW,6CAAX;AACAglC,kBAAU,CAACH,QAAX,GAAsB,KAAtB;AACA4C,mBAAW,CAAC,KAAKgB,YAAN,EAAoB1B,SAApB,EAA+B/B,UAA/B,CAAX;AACD;AACF,KAlBD,MAkBO;AACLA,gBAAU,CAACH,QAAX,GAAsB,KAAtB;AACD,KA9BkB,CA+BnB;;;AACAwO,YAAQ,CAACpyC,OAAT,GAAmB+jC,UAAnB;AACA,SAAKmK,eAAL,GAAuBiE,UAAvB;AACA,SAAKzmB,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAACmqB,aAAvB,EAAsC;AAAE9pB,aAAO,EAAE+jC,UAAX;AAAuB1V,WAAK,EAAE8jB;AAA9B,KAAtC;;AAEA,QAAI,KAAKzE,kBAAL,KAA4B,KAAhC,EAAuC;AACvC;AACE,UAAI,KAAKb,aAAL,KAAuB,CAAC,CAAxB,IAA6B,KAAKpE,eAAL,KAAyB,CAAC,CAA3D,EAA8D;AAC5D;AACA,YAAI3Y,eAAe,GAAGiU,UAAU,CAACjU,eAAjC;;AACA,YAAI,0CAAgBA,eAAhB,CAAJ,EAAsC;AACpC,cAAIA,eAAe,GAAG,CAAtB,EAAyB;AACvBhxB,4BAAM,CAACC,GAAP,iCAAyC+wB,eAAzC;AACAA,2BAAe,GAAGyW,OAAO,GAAGljC,QAAV,GAAqBysB,eAAvC;AACD;;AACDhxB,0BAAM,CAACC,GAAP,mEAA2E+wB,eAA3E;AACA,eAAK+c,aAAL,GAAqB/c,eAArB;AACD,SAPD,MAOO;AACL;AACA,cAAIiU,UAAU,CAACrU,IAAf,EAAqB;AACnB,iBAAKmd,aAAL,GAAqB,KAAKE,mBAAL,CAAyBxG,OAAzB,EAAkCxC,UAAlC,CAArB;AACAjlC,4BAAM,CAACC,GAAP,iCAAyC,KAAK8tC,aAA9C;AACD,WAHD,MAGO;AACL,iBAAKA,aAAL,GAAqB,CAArB;AACD;AACF;;AACD,aAAKpE,eAAL,GAAuB,KAAKoE,aAA5B;AACD;;AACD,WAAKD,gBAAL,GAAwB,KAAKC,aAA7B;AACD,KA5DkB,CA6DnB;;;AACA,QAAI,KAAKx5B,KAAL,KAAe+3B,KAAK,CAACW,aAAzB,EAAwC;AACtC,WAAK14B,KAAL,GAAa+3B,KAAK,CAACG,IAAnB;AACD,KAhEkB,CAkEnB;;;AACA,SAAKb,IAAL;AACD,G;;SAED4H,W,GAAA,uBAAe;AACb,QAAI,KAAKj/B,KAAL,KAAe+3B,KAAK,CAAChgB,WAAzB,EAAsC;AACpC,WAAK/X,KAAL,GAAa+3B,KAAK,CAACG,IAAnB;AACA,WAAKb,IAAL;AACD;AACF,G;;SAEDrL,Y,GAAA,sBAAc3mC,IAAd,EAAoB;AAAA,QACVyzC,WADU,GAC0B,IAD1B,CACVA,WADU;AAAA,QACGzgB,GADH,GAC0B,IAD1B,CACGA,GADH;AAAA,QACQwH,MADR,GAC0B,IAD1B,CACQA,MADR;AAAA,QACgBc,KADhB,GAC0B,IAD1B,CACgBA,KADhB;AAElB,QAAMue,UAAU,GAAG75C,IAAI,CAAC+W,IAAxB;;AACA,QAAI,KAAK4D,KAAL,KAAe+3B,KAAK,CAACzgB,YAArB,IACAwhB,WADA,IAEAoG,UAAU,CAAC1yC,IAAX,KAAoB,MAFpB,IAGA0yC,UAAU,CAAClkB,KAAX,KAAqB8d,WAAW,CAAC9d,KAHjC,IAIAkkB,UAAU,CAACh6B,EAAX,KAAkB4zB,WAAW,CAAC5zB,EAJlC,EAIsC;AACpC,UAAMwJ,KAAK,GAAGrpB,IAAI,CAACqpB,KAAnB;AACA,UAAMywB,YAAY,GAAGtf,MAAM,CAACiZ,WAAW,CAAC9d,KAAb,CAA3B;AACA,UAAMruB,OAAO,GAAGwyC,YAAY,CAACxyC,OAA7B,CAHoC,CAIpC;AACA;AACA;;AACA,WAAKs/B,WAAL,GAAmB,KAAnB;AACA,WAAKvd,KAAL,GAAaA,KAAb;AAEAjjB,sBAAM,CAACC,GAAP,aAAqBotC,WAAW,CAAC5zB,EAAjC,aAA2CvY,OAAO,CAAC6vB,OAAnD,UAA+D7vB,OAAO,CAACwvB,KAAvE,gBAAuF2c,WAAW,CAAC9d,KAAnG;;AACA,UAAIkkB,UAAU,CAACjT,WAAX,IAA0B5T,GAAG,CAACkiB,aAAlC,EAAiD;AAC/C;AACA,aAAKv6B,KAAL,GAAa+3B,KAAK,CAACG,IAAnB;AACA,aAAKmC,kBAAL,GAA0B,KAA1B;AACA3rB,aAAK,CAAC0Y,OAAN,GAAgB1Y,KAAK,CAAC0wB,SAAN,GAAkBpc,MAAM,CAAChV,WAAP,CAAmBD,GAAnB,EAAlC;AACAsK,WAAG,CAAChsB,OAAJ,CAAYC,iBAAK,CAACorB,aAAlB,EAAiC;AAAEhJ,eAAK,EAAEA,KAAT;AAAgBtS,cAAI,EAAE08B,WAAtB;AAAmC3oC,YAAE,EAAE;AAAvC,SAAjC;AACA,aAAKknC,IAAL;AACD,OAPD,MAOO,IAAI6H,UAAU,CAACh6B,EAAX,KAAkB,aAAtB,EAAqC;AAC1C,aAAKlF,KAAL,GAAa+3B,KAAK,CAACG,IAAnB;AACAxpB,aAAK,CAAC0Y,OAAN,GAAgB1Y,KAAK,CAAC0wB,SAAN,GAAkBpc,MAAM,CAAChV,WAAP,CAAmBD,GAAnB,EAAlC;AACAphB,eAAO,CAACmD,WAAR,CAAoBzK,IAApB,GAA2BA,IAAI,CAACsf,OAAhC;AACA0T,WAAG,CAAChsB,OAAJ,CAAYC,iBAAK,CAACorB,aAAlB,EAAiC;AAAEhJ,eAAK,EAAEA,KAAT;AAAgBtS,cAAI,EAAE08B,WAAtB;AAAmC3oC,YAAE,EAAE;AAAvC,SAAjC;AACA,aAAKknC,IAAL;AACD,OANM,MAMA;AACL5rC,wBAAM,CAACC,GAAP,cAAsBotC,WAAW,CAAC5zB,EAAlC,aAA4CvY,OAAO,CAAC6vB,OAApD,UAAgE7vB,OAAO,CAACwvB,KAAxE,gBAAwF2c,WAAW,CAAC9d,KAApG,aAAiH8d,WAAW,CAACle,EAA7H;AACA,aAAK5a,KAAL,GAAa+3B,KAAK,CAACO,OAAnB;AACA,aAAK+G,gBAAL,GAAwB,IAAxB;AACA,aAAKC,QAAL,GAAgB,KAAhB,CAJK,CAML;AACA;;AACA,YAAIJ,UAAU,CAACjT,WAAf,EAA4B;AAC1BiT,oBAAU,CAACjT,WAAX,GAAyB,KAAzB;AACA,eAAK4I,eAAL,CAAqB7I,YAArB,CAAkC;AAChC5vB,gBAAI,EAAE8iC;AAD0B,WAAlC;AAGD,SAbI,CAeL;;;AACA,YAAMluC,kBAAkB,GAAG,EAAE2vB,KAAK,IAAIA,KAAK,CAACuU,OAAjB,MAA8BvoC,OAAO,CAAC4jC,QAAR,IAAoB,CAAC5jC,OAAO,CAAC0vB,IAA3D,CAA3B;AACA,YAAMkjB,eAAe,GAAG5yC,OAAO,CAACmD,WAAR,GAAsBnD,OAAO,CAACmD,WAAR,CAAoBzK,IAA1C,GAAiD,EAAzE;;AACA,YAAM4H,UAAU,GAAG,KAAKuyC,cAAL,CAAoBL,YAApB,CAAnB,CAlBK,CAoBL;;;AACA,YAAMhxB,OAAO,GAAG,KAAKA,OAAL,GAAe,KAAKA,OAAL,IAAgB,IAAIigB,aAAJ,CAAY,KAAK/V,GAAjB,EAAsB,MAAtB,CAA/C;AACAlK,eAAO,CAAC1e,IAAR,CACEpK,IAAI,CAACsf,OADP,EAEE46B,eAFF,EAGEtyC,UAHF,EAIEkyC,YAAY,CAACpvC,UAJf,EAKE+oC,WALF,EAMEnsC,OAAO,CAACgwB,aANV,EAOE3rB,kBAPF;AASD;AACF;;AACD,SAAKopC,aAAL,GAAqB,CAArB;AACD,G;;SAEDqF,wB,GAAA,kCAA0Bp6C,IAA1B,EAAgC;AAC9B,QAAMyzC,WAAW,GAAG,KAAKA,WAAzB;AACA,QAAM4G,OAAO,GAAGr6C,IAAI,CAAC+W,IAArB;;AAEA,QAAI08B,WAAW,IACXzzC,IAAI,CAAC8K,EAAL,KAAY,MADZ,IAEAuvC,OAAO,CAACx6B,EAAR,KAAe4zB,WAAW,CAAC5zB,EAF3B,IAGAw6B,OAAO,CAAC1kB,KAAR,KAAkB8d,WAAW,CAAC9d,KAH9B,IAIA,KAAKhb,KAAL,KAAe+3B,KAAK,CAACO,OAJzB,EAIkC;AAChC,UAAIlzB,MAAM,GAAG/f,IAAI,CAAC+f,MAAlB;AAAA,UAA0Bu6B,SAA1B;AAAA,UAAqChxC,KAArC,CADgC,CAGhC;;AACA,UAAIyW,MAAM,CAACrN,KAAP,IAAgB,KAAKoiC,QAAzB,EAAmC;AACjC,eAAO/0B,MAAM,CAACrN,KAAd;AACD,OAN+B,CAQhC;;;AACApJ,WAAK,GAAGyW,MAAM,CAACrN,KAAf;;AACA,UAAIpJ,KAAJ,EAAW;AACT,YAAI1B,UAAU,GAAG,KAAK4yB,MAAL,CAAY,KAAK7E,KAAjB,EAAwB/tB,UAAzC;AAAA,YACE2yC,EAAE,GAAGryC,SAAS,CAACD,SAAV,CAAoBE,WAApB,EADP;;AAEA,YAAIP,UAAU,IAAI,KAAK+sC,cAAvB,EAAuC;AACrCvuC,0BAAM,CAACC,GAAP,CAAW,+BAAX;;AACA,cAAIuB,UAAU,CAACa,OAAX,CAAmB,WAAnB,MAAoC,CAAC,CAAzC,EAA4C;AAC1Cb,sBAAU,GAAG,WAAb;AACD,WAFD,MAEO;AACLA,sBAAU,GAAG,WAAb;AACD;AACF,SAVQ,CAWT;AACA;AACA;AACA;;;AACA,YAAI,KAAK2xC,gBAAT,EAA2B;AACzB;AACA,cAAIjwC,KAAK,CAACsa,QAAN,CAAejb,YAAf,KAAgC,CAAhC,IACF;AACA4xC,YAAE,CAAC9xC,OAAH,CAAW,SAAX,MAA0B,CAAC,CAF7B,EAEgC;AAC9Bb,sBAAU,GAAG,WAAb;AACD;AACF,SAtBQ,CAuBT;;;AACA,YAAI2yC,EAAE,CAAC9xC,OAAH,CAAW,SAAX,MAA0B,CAAC,CAA3B,IAAgCa,KAAK,CAACuB,SAAN,KAAoB,YAAxD,EAAsE;AAAE;AACtEjD,oBAAU,GAAG,WAAb;AACAxB,0BAAM,CAACC,GAAP,oCAA4CuB,UAA5C;AACD;;AACD0B,aAAK,CAACkxC,UAAN,GAAmB5yC,UAAnB;AACA0B,aAAK,CAACwB,EAAN,GAAW9K,IAAI,CAAC8K,EAAhB;AACD;;AACDxB,WAAK,GAAGyW,MAAM,CAACtN,KAAf;;AACA,UAAInJ,KAAJ,EAAW;AACTA,aAAK,CAACkxC,UAAN,GAAmB,KAAKhgB,MAAL,CAAY,KAAK7E,KAAjB,EAAwBjrB,UAA3C;AACApB,aAAK,CAACwB,EAAN,GAAW9K,IAAI,CAAC8K,EAAhB;AACD;;AACD,WAAKkoB,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAACqpB,aAAvB,EAAsCvQ,MAAtC,EA9CgC,CA+ChC;;AACA,WAAKu6B,SAAL,IAAkBv6B,MAAlB,EAA0B;AACxBzW,aAAK,GAAGyW,MAAM,CAACu6B,SAAD,CAAd;AACAl0C,wBAAM,CAACC,GAAP,iBAAyBi0C,SAAzB,mBAAgDhxC,KAAK,CAACuB,SAAtD,+BAAyFvB,KAAK,CAACkxC,UAA/F,SAA6GlxC,KAAK,CAACV,KAAnH;AACA,YAAI6B,WAAW,GAAGnB,KAAK,CAACmB,WAAxB;;AACA,YAAIA,WAAJ,EAAiB;AACf,eAAKwvC,QAAL,GAAgB,IAAhB,CADe,CAEf;;AACA,eAAKD,gBAAL,GAAwB,IAAxB;AACA,eAAKhnB,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAACupB,gBAAvB,EAAyC;AAAErpB,gBAAI,EAAEmzC,SAAR;AAAmBt6C,gBAAI,EAAEyK,WAAzB;AAAsCgwC,kBAAM,EAAE,MAA9C;AAAsDC,mBAAO,EAAE;AAA/D,WAAzC;AACD;AACF,OA1D+B,CA2DhC;;;AACA,WAAK1I,IAAL;AACD;AACF,G;;SAED2I,iB,GAAA,2BAAmB36C,IAAnB,EAAyB;AAAA;;AACvB,QAAMyzC,WAAW,GAAG,KAAKA,WAAzB;AACA,QAAM4G,OAAO,GAAGr6C,IAAI,CAAC+W,IAArB;;AACA,QAAI08B,WAAW,IACXzzC,IAAI,CAAC8K,EAAL,KAAY,MADZ,IAEAuvC,OAAO,CAACx6B,EAAR,KAAe4zB,WAAW,CAAC5zB,EAF3B,IAGAw6B,OAAO,CAAC1kB,KAAR,KAAkB8d,WAAW,CAAC9d,KAH9B,IAIA,EAAE31B,IAAI,CAACmH,IAAL,KAAc,OAAd,IAAyB,KAAK2tC,QAAhC,CAJA,IAI6C;AAC7C,SAAKn6B,KAAL,KAAe+3B,KAAK,CAACO,OALzB,EAKkC;AAChC,UAAItd,KAAK,GAAG,KAAK6E,MAAL,CAAY,KAAK7E,KAAjB,CAAZ;AAAA,UACE5e,IAAI,GAAG08B,WADT;;AAEA,UAAI,CAAC,0CAAgBzzC,IAAI,CAAC8iB,MAArB,CAAL,EAAmC;AACjC9iB,YAAI,CAAC8iB,MAAL,GAAc9iB,IAAI,CAAC+iB,QAAL,GAAgB0wB,WAAW,CAAC9oC,QAA1C;AACA3K,YAAI,CAAC0mB,MAAL,GAAc1mB,IAAI,CAACymB,QAAL,GAAgBgtB,WAAW,CAAC9oC,QAA1C;AACD;;AAED,UAAI3K,IAAI,CAAC2mB,QAAL,KAAkB,IAAtB,EAA4B;AAC1B5P,YAAI,CAACqf,mBAAL,CAAyB1B,qBAAqB,CAACM,KAA/C;AACD;;AAED,UAAIh1B,IAAI,CAAC4mB,QAAL,KAAkB,IAAtB,EAA4B;AAC1B7P,YAAI,CAACqf,mBAAL,CAAyB1B,qBAAqB,CAACO,KAA/C;AACD;;AAED7uB,sBAAM,CAACC,GAAP,aAAqBrG,IAAI,CAACmH,IAA1B,cAAuCnH,IAAI,CAAC+iB,QAAL,CAAc6pB,OAAd,CAAsB,CAAtB,CAAvC,SAAmE5sC,IAAI,CAAC8iB,MAAL,CAAY8pB,OAAZ,CAAoB,CAApB,CAAnE,eAAmG5sC,IAAI,CAACymB,QAAL,CAAcmmB,OAAd,CAAsB,CAAtB,CAAnG,SAA+H5sC,IAAI,CAAC0mB,MAAL,CAAYkmB,OAAZ,CAAoB,CAApB,CAA/H,aAA6J5sC,IAAI,CAAC6mB,EAAlK,kBAAgL7mB,IAAI,CAACwT,OAAL,IAAgB,CAAhM,GAhBgC,CAkBhC;;AACA,UAAIxT,IAAI,CAACmH,IAAL,KAAc,OAAlB,EAA2B;AACzB4P,YAAI,CAACvD,OAAL,GAAexT,IAAI,CAACwT,OAApB;;AACA,YAAIuD,IAAI,CAACvD,OAAT,EAAkB;AAChB,cAAI,CAACuD,IAAI,CAAC40B,WAAV,EAAuB;AACrB,gBAAM9J,YAAY,GAAGlM,KAAK,CAACruB,OAA3B;;AACA,gBAAIu6B,YAAY,IAAI9qB,IAAI,CAAC8I,EAAL,KAAYgiB,YAAY,CAAC1K,OAA7C,EAAsD;AACpD/wB,8BAAM,CAACgN,IAAP,CAAY,0DAAZ,EAAwE2D,IAAI,CAAC8I,EAA7E;AACD,aAFD,MAEO;AACLzZ,8BAAM,CAACgN,IAAP,CAAY,+CAAZ,EAA6D2D,IAAI,CAAC8I,EAAlE,EADK,CAEL;AACA;AACA;;AACA,mBAAK2vB,eAAL,CAAqB1J,cAArB,CAAoC/uB,IAApC;AACAA,kBAAI,CAAC40B,WAAL,GAAmB,IAAnB;AACA,mBAAKuI,gBAAL,GAAwBl0C,IAAI,CAAC+iB,QAA7B;AACA,mBAAKpI,KAAL,GAAa+3B,KAAK,CAACG,IAAnB;AACA,mBAAK/D,YAAL,GAAoB/3B,IAApB;AACA,mBAAKi7B,IAAL;AACA;AACD;AACF,WAjBD,MAiBO;AACL5rC,4BAAM,CAACgN,IAAP,CAAY,8DAAZ,EAA4E2D,IAAI,CAAC8I,EAAjF;AACD;AACF,SArBD,MAqBO;AACL;AACA9I,cAAI,CAAC40B,WAAL,GAAmB,KAAnB;AACD;AACF;;AAED,UAAIX,KAAK,GAAG2O,gBAAA,CAA6BhkB,KAAK,CAACruB,OAAnC,EAA4CyP,IAA5C,EAAkD/W,IAAI,CAAC+iB,QAAvD,EAAiE/iB,IAAI,CAAC8iB,MAAtE,EAA8E9iB,IAAI,CAACymB,QAAnF,EAA6FzmB,IAAI,CAAC0mB,MAAlG,CAAZ;AAAA,UACEsM,GAAG,GAAG,KAAKA,GADb;AAEAA,SAAG,CAAChsB,OAAJ,CAAYC,iBAAK,CAACoqB,iBAAlB,EAAqC;AAAE/pB,eAAO,EAAEquB,KAAK,CAACruB,OAAjB;AAA0BquB,aAAK,EAAE,KAAKA,KAAtC;AAA6CqV,aAAK,EAAEA,KAApD;AAA2D7jC,YAAI,EAAEnH,IAAI,CAACmH,IAAtE;AAA4E+M,aAAK,EAAElU,IAAI,CAAC+iB,QAAxF;AAAkG+E,WAAG,EAAE9nB,IAAI,CAAC8iB;AAA5G,OAArC,EAlDgC,CAmDhC;;AACA,OAAC9iB,IAAI,CAACumB,KAAN,EAAavmB,IAAI,CAACwmB,KAAlB,EAAyBhO,OAAzB,CAAiC,UAAAjY,MAAM,EAAI;AACzC;AACA;AACA,YAAIA,MAAM,IAAIA,MAAM,CAACwC,MAAjB,IAA2B,MAAI,CAAC4X,KAAL,KAAe+3B,KAAK,CAACO,OAApD,EAA6D;AAC3D,gBAAI,CAACgH,QAAL,GAAgB,IAAhB,CAD2D,CAE3D;;AACA,gBAAI,CAACD,gBAAL,GAAwB,IAAxB;AACAhnB,aAAG,CAAChsB,OAAJ,CAAYC,iBAAK,CAACupB,gBAAlB,EAAoC;AAAErpB,gBAAI,EAAEnH,IAAI,CAACmH,IAAb;AAAmBnH,gBAAI,EAAEO,MAAzB;AAAiCk6C,kBAAM,EAAE,MAAzC;AAAiDC,mBAAO,EAAE;AAA1D,WAApC;AACD;AACF,OATD,EApDgC,CA8DhC;;AACA,WAAK1I,IAAL;AACD;AACF,G;;SAED4I,Y,GAAA,sBAAc56C,IAAd,EAAoB;AAClB,QAAMyzC,WAAW,GAAG,KAAKA,WAAzB;AACA,QAAM4G,OAAO,GAAGr6C,IAAI,CAAC+W,IAArB;;AACA,QAAI08B,WAAW,IACXzzC,IAAI,CAAC8K,EAAL,KAAY,MADZ,IAEAuvC,OAAO,CAACx6B,EAAR,KAAe4zB,WAAW,CAAC5zB,EAF3B,IAGAw6B,OAAO,CAAC1kB,KAAR,KAAkB8d,WAAW,CAAC9d,KAH9B,IAIA,KAAKhb,KAAL,KAAe+3B,KAAK,CAACO,OAJzB,EAIkC;AAChC,WAAK5pB,KAAL,CAAW0Y,OAAX,GAAqBpE,MAAM,CAAChV,WAAP,CAAmBD,GAAnB,EAArB;AACA,WAAK/N,KAAL,GAAa+3B,KAAK,CAACQ,MAAnB;;AACA,WAAK2H,oBAAL;AACD;AACF,G;;SAEDC,qB,GAAA,+BAAuB96C,IAAvB,EAA6B;AAC3B;AACA,QAAI80C,QAAQ,GAAG,CAAC,CAAC90C,IAAI,CAACosB,GAAtB;AAAA,QACE2C,OAAO,GAAG/uB,IAAI,CAAC8K,EADjB,CAF2B,CAI3B;AACA;AACA;;AACA,QAAI,CAACgqC,QAAL,EAAe;AACb,UAAI,KAAKjB,WAAL,KAAqB,KAAKvY,KAA9B,EAAqC;AACnCl1B,wBAAM,CAACC,GAAP,CAAW,+EAAX;AACA,aAAKwtC,WAAL,GAAmB,KAAKvY,KAAxB;AACA,YAAImY,WAAW,GAAG,KAAKA,WAAvB,CAHmC,CAInC;;AACA,YAAIA,WAAW,CAAC5d,MAAhB,EAAwB;AACtBzvB,0BAAM,CAACC,GAAP,CAAW,0DAAX;AACAotC,qBAAW,CAAC5d,MAAZ,CAAmB4J,KAAnB;AACD;;AACD,aAAKgU,WAAL,GAAmB,IAAnB;AACA,aAAK3E,YAAL,GAAoB,IAApB,CAVmC,CAWnC;;AACA,YAAI,KAAKhmB,OAAT,EAAkB;AAChB,eAAKA,OAAL,CAAa1jB,OAAb;AACA,eAAK0jB,OAAL,GAAe,IAAf;AACD,SAfkC,CAgBnC;;;AACA,aAAKnO,KAAL,GAAa+3B,KAAK,CAACG,IAAnB;AACD;;AACD,UAAI7f,GAAG,GAAG,KAAKA,GAAf,CApBa,CAqBb;;AACAA,SAAG,CAAChsB,OAAJ,CAAYC,iBAAK,CAAC0pB,eAAlB,EAAmC;AAAErV,mBAAW,EAAE,CAAf;AAAkBq9B,iBAAS,EAAE3gB,MAAM,CAACkgB,iBAApC;AAAuD/wC,YAAI,EAAE;AAA7D,OAAnC;AACA6rB,SAAG,CAAChsB,OAAJ,CAAYC,iBAAK,CAACwqB,oBAAlB,EAAwC;AAAE3mB,UAAE,EAAEikB;AAAN,OAAxC;AACA,WAAK+lB,QAAL,GAAgB,KAAhB;AACD;AACF,G;;SAEDiG,oB,GAAA,8BAAsB/6C,IAAtB,EAA4B;AAC1B,QAAI+uB,OAAO,GAAG/uB,IAAI,CAAC8K,EAAnB;AAAA,QACEgqC,QAAQ,GAAG,CAAC,CAAC,KAAK9hB,GAAL,CAASuO,WAAT,CAAqBxS,OAArB,EAA8B3C,GAD7C;;AAEA,QAAI0oB,QAAJ,EAAc;AACZ,UAAIkG,WAAW,GAAG,KAAKA,WAAvB,CADY,CAEZ;;AACA,UAAIA,WAAW,IAAI,KAAKnH,WAAL,KAAqBmH,WAAxC,EAAqD;AACnD50C,wBAAM,CAACC,GAAP,CAAW,oFAAX;AACA,aAAKwtC,WAAL,GAAmBmH,WAAnB;AACD;AACF;;AACD,SAAKlG,QAAL,GAAgBA,QAAhB;AACA,SAAK9C,IAAL;AACD,G;;SAEDiJ,e,GAAA,yBAAiBj7C,IAAjB,EAAuB;AACrB,QAAI+f,MAAM,GAAG/f,IAAI,CAAC+f,MAAlB;AAAA,QAA0Bm7B,UAA1B;AAAA,QAAsCh7C,IAAtC;AAAA,QAA4Ci7C,SAAS,GAAG,KAAxD;;AACA,SAAK,IAAIh0C,IAAT,IAAiB4Y,MAAjB,EAAyB;AACvB,UAAIzW,KAAK,GAAGyW,MAAM,CAAC5Y,IAAD,CAAlB;;AACA,UAAImC,KAAK,CAACwB,EAAN,KAAa,MAAjB,EAAyB;AACvB5K,YAAI,GAAGiH,IAAP;AACA+zC,kBAAU,GAAG5xC,KAAb,CAFuB,CAGvB;;AACA,YAAInC,IAAI,KAAK,OAAb,EAAsB;AACpB,eAAK6zC,WAAL,GAAmBj7B,MAAM,CAAC5Y,IAAD,CAAN,CAAa5G,MAAhC;AACD;AACF,OAPD,MAOO;AACL46C,iBAAS,GAAG,IAAZ;AACD;AACF;;AACD,QAAIA,SAAS,IAAID,UAAjB,EAA6B;AAC3B90C,sBAAM,CAACC,GAAP,iCAAyCnG,IAAzC;AACA,WAAK2zC,WAAL,GAAmBqH,UAAU,CAAC36C,MAA9B;AACD,KAHD,MAGO;AACL,WAAKszC,WAAL,GAAmB,KAAKvY,KAAxB;AACD;AACF,G;;SAEDuL,gB,GAAA,0BAAkB7mC,IAAlB,EAAwB;AACtB,QAAIA,IAAI,CAACy6C,MAAL,KAAgB,MAApB,EAA4B;AAC1B,UAAM9/B,KAAK,GAAG,KAAKA,KAAnB;;AACA,UAAIA,KAAK,KAAK+3B,KAAK,CAACO,OAAhB,IAA2Bt4B,KAAK,KAAK+3B,KAAK,CAACQ,MAA/C,EAAuD;AACrD;AACA,aAAK8G,gBAAL,GAAyBh6C,IAAI,CAACo7C,OAAL,GAAe,CAAxC;;AACA,aAAKP,oBAAL;AACD;AACF;AACF,G;;SAEDA,oB,GAAA,gCAAwB;AACtB;AACA,QAAI,KAAKlgC,KAAL,KAAe+3B,KAAK,CAACQ,MAArB,KAAgC,CAAC,KAAK+G,QAAN,IAAkB,CAAC,KAAKD,gBAAxD,CAAJ,EAA+E;AAC7E,UAAMjjC,IAAI,GAAG,KAAK08B,WAAlB;;AACA,UAAI18B,IAAJ,EAAU;AACR,YAAMukB,KAAK,GAAG,KAAKuY,WAAL,GAAmB,KAAKA,WAAxB,GAAsC,KAAKvY,KAAzD;AACAl1B,wBAAM,CAACC,GAAP,sBAA8BqmC,WAAU,CAACjzB,QAAX,CAAoB6hB,KAAK,CAAC8J,QAA1B,CAA9B;AACA,aAAK0J,YAAL,GAAoB/3B,IAApB;AACA,YAAMsS,KAAK,GAAG,KAAKA,KAAnB;AACAA,aAAK,CAAC0wB,SAAN,GAAkBpc,MAAM,CAAChV,WAAP,CAAmBD,GAAnB,EAAlB,CALQ,CAMR;;AACA,aAAKgwB,YAAL,GAAoB9qC,IAAI,CAAC6J,KAAL,CAAW,IAAI4R,KAAK,CAACgyB,KAAV,IAAmBhyB,KAAK,CAAC0wB,SAAN,GAAkB1wB,KAAK,CAACiyB,MAA3C,CAAX,CAApB;AACA,aAAKtoB,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAACorB,aAAvB,EAAsC;AAAEhJ,eAAK,EAAEA,KAAT;AAAgBtS,cAAI,EAAEA,IAAtB;AAA4BjM,YAAE,EAAE;AAAhC,SAAtC;AACA,aAAK6P,KAAL,GAAa+3B,KAAK,CAACG,IAAnB;AACD;;AACD,WAAKb,IAAL;AACD;AACF,G;;SAEDtR,O,GAAA,iBAAS1gC,IAAT,EAAe;AACb,QAAI+W,IAAI,GAAG/W,IAAI,CAAC+W,IAAL,IAAa,KAAK08B,WAA7B,CADa,CAEb;;AACA,QAAI18B,IAAI,IAAIA,IAAI,CAAC5P,IAAL,KAAc,MAA1B,EAAkC;AAChC;AACD,KALY,CAOb;;;AACA,QAAIo0C,aAAa,GAAG,CAAC,CAAC,KAAKjgB,KAAP,IAAgBoM,YAAY,CAACC,UAAb,CAAwB,KAAKrM,KAA7B,EAAoC,KAAKA,KAAL,CAAWqN,WAA/C,CAAhB,IAA+EjB,YAAY,CAACC,UAAb,CAAwB,KAAKrM,KAA7B,EAAoC,KAAKA,KAAL,CAAWqN,WAAX,GAAyB,GAA7D,CAAnG;;AAEA,YAAQ3oC,IAAI,CAACsH,OAAb;AACA,WAAKC,sBAAY,CAACu8B,eAAlB;AACA,WAAKv8B,sBAAY,CAACw8B,iBAAlB;AACA,WAAKx8B,sBAAY,CAAC88B,cAAlB;AACA,WAAK98B,sBAAY,CAAC+8B,gBAAlB;AACE,YAAI,CAACtkC,IAAI,CAACyH,KAAV,EAAiB;AACf;AACA,cAAK,KAAKstC,aAAL,GAAqB,CAAtB,IAA4B,KAAKrvC,MAAL,CAAY81C,mBAA5C,EAAiE;AAC/D;AACA,gBAAIC,KAAK,GAAG7tC,IAAI,CAACC,GAAL,CAASD,IAAI,CAACiO,GAAL,CAAS,CAAT,EAAY,KAAKk5B,aAAjB,IAAkC,KAAKrvC,MAAL,CAAY0+B,qBAAvD,EAA8E,KAAK1+B,MAAL,CAAYi+B,0BAA1F,CAAZ;AACAv9B,4BAAM,CAACgN,IAAP,qDAA8DqoC,KAA9D;AACA,iBAAKpG,SAAL,GAAiB1X,MAAM,CAAChV,WAAP,CAAmBD,GAAnB,KAA2B+yB,KAA5C,CAJ+D,CAK/D;AACA;AACA;;AACA,gBAAI,CAAC,KAAKxH,cAAV,EAA0B;AACxB,mBAAKe,kBAAL,GAA0B,KAA1B;AACA,mBAAKd,gBAAL,GAAwB,KAAKC,aAA7B;AACD;;AACD,iBAAKY,aAAL;AACA,iBAAKp6B,KAAL,GAAa+3B,KAAK,CAACK,0BAAnB;AACD,WAdD,MAcO;AACL3sC,4BAAM,CAACU,KAAP,uBAAiC9G,IAAI,CAACsH,OAAtC,kDADK,CAEL;;AACAtH,gBAAI,CAACyH,KAAL,GAAa,IAAb;AACA,iBAAKkT,KAAL,GAAa+3B,KAAK,CAACxrC,KAAnB;AACD;AACF;;AACD;;AACF,WAAKK,sBAAY,CAACq7B,gBAAlB;AACA,WAAKr7B,sBAAY,CAACo7B,kBAAlB;AACE,YAAI,KAAKhoB,KAAL,KAAe+3B,KAAK,CAACxrC,KAAzB,EAAgC;AAC9B,cAAIlH,IAAI,CAACyH,KAAT,EAAgB;AACd;AACA,iBAAKkT,KAAL,GAAa+3B,KAAK,CAACxrC,KAAnB;AACAd,4BAAM,CAACgN,IAAP,wBAAiCpT,IAAI,CAACsH,OAAtC,mBAA2D,KAAKqT,KAAhE;AACD,WAJD,MAIO;AACL;AACA,gBAAI,CAAC3a,IAAI,CAAC07C,UAAN,IAAoB,KAAK/gC,KAAL,KAAe+3B,KAAK,CAACW,aAA7C,EAA4D;AAC1D,mBAAK14B,KAAL,GAAa+3B,KAAK,CAACG,IAAnB;AACD;AACF;AACF;;AACD;;AACF,WAAKtrC,sBAAY,CAACo0C,iBAAlB;AACE;AACA,YAAI37C,IAAI,CAACy6C,MAAL,KAAgB,MAAhB,KAA2B,KAAK9/B,KAAL,KAAe+3B,KAAK,CAACO,OAArB,IAAgC,KAAKt4B,KAAL,KAAe+3B,KAAK,CAACQ,MAAhF,CAAJ,EAA6F;AAC3F;AACA,cAAIqI,aAAJ,EAAmB;AACjB,iBAAK/D,sBAAL,CAA4B,KAAK9xC,MAAL,CAAYowC,eAAxC;;AACA,iBAAKn7B,KAAL,GAAa+3B,KAAK,CAACG,IAAnB;AACD,WAHD,MAGO;AACL;AACA;AACA;AACAzsC,4BAAM,CAACgN,IAAP,CAAY,4EAAZ;AACA,iBAAKqgC,WAAL,GAAmB,IAAnB,CALK,CAML;;AACA,iBAAKwE,eAAL,CAAqB,CAArB,EAAwBjgB,MAAM,CAACkgB,iBAA/B;AACD;AACF;;AACD;;AACF;AACE;AA/DF;AAiED,G;;SAEDV,sB,GAAA,gCAAwBoE,SAAxB,EAAmC;AACjC,QAAIl2C,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAIA,MAAM,CAACqwC,kBAAP,IAA6B6F,SAAjC,EAA4C;AAC1C;AACAl2C,YAAM,CAACqwC,kBAAP,IAA6B,CAA7B;AACA3vC,sBAAM,CAACgN,IAAP,uCAAgD1N,MAAM,CAACqwC,kBAAvD;AACA,aAAO,IAAP;AACD;;AACD,WAAO,KAAP;AACD;AAED;;;;;;SAIAT,Y,GAAA,wBAAgB;AAAA,QACNha,KADM,GACI,IADJ,CACNA,KADM;;AAEd,QAAI,CAACA,KAAD,IAAUA,KAAK,CAACsb,UAAN,KAAqB,CAAnC,EAAsC;AACpC;AACA;AACD;;AAED,QAAM/C,WAAW,GAAG,KAAKA,WAAL,GAAmB,KAAKA,WAAxB,GAAsCvY,KAA1D;AACA,QAAM8J,QAAQ,GAAGyO,WAAW,CAACzO,QAA7B;;AAEA,QAAI,CAAC,KAAK6O,cAAN,IAAwB7O,QAAQ,CAACriC,MAArC,EAA6C;AAC3C,WAAKkxC,cAAL,GAAsB,IAAtB;;AACA,WAAK4H,eAAL;AACD,KAHD,MAGO,IAAI,KAAK/D,eAAT,EAA0B;AAC/B,WAAKK,uBAAL;AACD,KAFM,MAEA;AACL,WAAKtD,aAAL,CAAmB/E,IAAnB,CAAwB,KAAKC,eAA7B,EAA8C3K,QAA9C;AACD;AACF,G;;SAED0W,0B,GAAA,sCAA8B;AAC5B,SAAKnhC,KAAL,GAAa+3B,KAAK,CAACG,IAAnB,CAD4B,CAE5B;AACA;;AACA,QAAI,CAAC,KAAKoB,cAAV,EAA0B;AACxB,WAAKe,kBAAL,GAA0B,KAA1B;AACA,WAAKd,gBAAL,GAAwB,KAAKC,aAA7B;AACD;;AACD,SAAKnC,IAAL;AACD,G;;SAED+J,e,GAAA,2BAAmB;AACjB;;;AAGA,QAAMzgB,KAAK,GAAG,KAAKuY,WAAL,GAAmB,KAAKA,WAAxB,GAAsC,KAAKvY,KAAzD;;AACA,QAAIA,KAAJ,EAAW;AACT;AACA,WAAKkU,eAAL,CAAqBlK,sBAArB,CAA4C5Q,qBAAqB,CAACO,KAAlE,EAAyEqG,KAAK,CAAC8J,QAA/E;AACD,KARgB,CASjB;;;AACA,SAAKzqB,KAAL,GAAa+3B,KAAK,CAACG,IAAnB,CAViB,CAWjB;;AACA,SAAK/D,YAAL,GAAoB,IAApB;AACD,G;;SAEDkN,c,GAAA,0BAAkB;AAChB,SAAKrH,cAAL,GAAsB,CAAC,KAAKA,cAA5B;AACD;AACD;;;;;;SAIAkH,e,GAAA,2BAAmB;AAAA,QACTvgB,KADS,GACC,IADD,CACTA,KADS;AAEjB,QAAMqN,WAAW,GAAGrN,KAAK,CAACqN,WAA1B,CAFiB,CAGjB;AACA;;AACA,QAAMwL,aAAa,GAAG7Y,KAAK,CAACuU,OAAN,GAAgBlH,WAAhB,GAA8B,KAAKwL,aAAzD,CALiB,CAMjB;;AACA,QAAIxL,WAAW,KAAKwL,aAAhB,IAAiCA,aAAa,IAAI,CAAtD,EAAyD;AACvD;AACA/tC,sBAAM,CAACC,GAAP,oEAA4E8tC,aAA5E,2BAA+GxL,WAA/G;AACArN,WAAK,CAACqN,WAAN,GAAoBwL,aAApB;AACD;AACF,G;;SAEDgG,c,GAAA,wBAAgBL,YAAhB,EAA8B;AAC5B,QAAIlyC,UAAU,GAAG,KAAKlC,MAAL,CAAYu2C,iBAAZ,IAAiCnC,YAAY,CAAClyC,UAA/D;;AACA,QAAI,KAAK+sC,cAAT,EAAyB;AACvBvuC,sBAAM,CAACC,GAAP,CAAW,+BAAX;;AACA,UAAIuB,UAAJ,EAAgB;AACd,YAAIA,UAAU,CAACa,OAAX,CAAmB,WAAnB,MAAoC,CAAC,CAAzC,EAA4C;AAC1Cb,oBAAU,GAAG,WAAb;AACD,SAFD,MAEO;AACLA,oBAAU,GAAG,WAAb;AACD;AACF;AACF;;AAED,WAAOA,UAAP;AACD,G;;;;sBA33BUs0C,S,EAAW;AACpB,UAAI,KAAKvhC,KAAL,KAAeuhC,SAAnB,EAA8B;AAC5B,YAAMC,aAAa,GAAG,KAAKxhC,KAA3B;AACA,aAAKi6B,MAAL,GAAcsH,SAAd;AACA91C,wBAAM,CAACC,GAAP,8BAAsC81C,aAAtC,UAAwDD,SAAxD;AACA,aAAKlpB,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAAC2rB,uBAAvB,EAAgD;AAAEupB,uBAAa,EAAbA,aAAF;AAAiBD,mBAAS,EAATA;AAAjB,SAAhD;AACD;AACF,K;wBAEY;AACX,aAAO,KAAKtH,MAAZ;AACD;;;wBAMmB;AAClB,UAAItZ,KAAK,GAAG,KAAKA,KAAjB;;AACA,UAAIA,KAAJ,EAAW;AACT,YAAMvkB,IAAI,GAAG,KAAKiuB,eAAL,CAAqB1J,KAAK,CAACqN,WAA3B,CAAb;;AACA,YAAI5xB,IAAJ,EAAU;AACR,iBAAOA,IAAI,CAAC4e,KAAZ;AACD;AACF;;AACD,aAAO,CAAC,CAAR;AACD;;;wBAEuB;AACtB,UAAI2F,KAAK,GAAG,KAAKA,KAAjB;;AACA,UAAIA,KAAJ,EAAW;AACT;AACA,eAAO,KAAKmc,qBAAL,CAA2B,KAAKzS,eAAL,CAAqB1J,KAAK,CAACqN,WAA3B,CAA3B,CAAP;AACD,OAHD,MAGO;AACL,eAAO,IAAP;AACD;AACF;;;wBAUgB;AACf,UAAM5xB,IAAI,GAAG,KAAKwhC,gBAAlB;;AACA,UAAIxhC,IAAJ,EAAU;AACR,eAAOA,IAAI,CAAC4e,KAAZ;AACD,OAFD,MAEO;AACL,eAAO,CAAC,CAAR;AACD;AACF;;;wBAw0BuB;AACtB,aAAO,KAAKymB,iBAAZ;AACD,K;sBAEqB3hC,K,EAAO;AAC3B,WAAK2hC,iBAAL,GAAyB3hC,KAAzB;AACD;;;;EAhzC4B64B,2C;;AAkzChBoB,wFAAf,E;;;;;;;;ACx0CA;;;AAIA;AACA;AACA;AACA;AACA;AACA;8BAEwB/W,M;IAAhBhV,4B,2BAAAA,W;AACR,IAAI0zB,eAAJ;;IAEqBC,gC;;;;;AACnB,2BAAatpB,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACE/rB,iBAAK,CAAC6pB,eADR,EAEE7pB,iBAAK,CAACkqB,YAFR,EAGElqB,iBAAK,CAACwqB,oBAHR,EAIExqB,iBAAK,CAACmrB,WAJR,EAKEnrB,iBAAK,CAACC,KALR;AAOA,UAAKq1C,OAAL,GAAe,KAAf;AACA,UAAKC,iBAAL,GAAyB,IAAzB;AACA,UAAKC,gBAAL,GAAwB,CAAC,CAAzB;AACA,UAAKC,KAAL,GAAa,IAAb;AAEAL,mBAAe,GAAG,iBAAiB9zC,IAAjB,CAAsBL,SAAS,CAACD,SAAV,CAAoBE,WAApB,EAAtB,CAAlB;AAbgB;AAcjB;;;;SAEDmrB,mB,GAAA,+BAAuB;AACrB,SAAKqpB,UAAL;AACA,SAAKF,gBAAL,GAAwB,CAAC,CAAzB;AACD,G;;SAEDE,U,GAAA,sBAAc;AACZ,QAAI,KAAKD,KAAL,KAAe,IAAnB,EAAyB;AACvBnK,kBAAY,CAAC,KAAKmK,KAAN,CAAZ;AACA,WAAKA,KAAL,GAAa,IAAb;AACD;AACF,G;;SAEDnJ,S,GAAA,qBAAa;AACX,QAAI/Y,MAAM,GAAG,KAAKoiB,OAAlB;AAEA,SAAKL,OAAL,GAAe,IAAf;AACA,SAAKM,eAAL,GAAuB,CAAvB,CAJW,CAMX;;AACA,QAAIriB,MAAJ,EAAY;AACVA,YAAM,CAAChiB,OAAP,CAAe,UAAAmd,KAAK,EAAI;AACtBA,aAAK,CAACmnB,SAAN,GAAkB,CAAlB;AACA,YAAMjb,YAAY,GAAGlM,KAAK,CAACruB,OAA3B;;AACA,YAAIu6B,YAAY,IAAIA,YAAY,CAAC7K,IAAjC,EAAuC;AACrCrB,eAAK,CAACruB,OAAN,GAAgBjC,SAAhB;AACD;AACF,OAND;AAOD,KAfU,CAgBX;;;AACA,QAAI,KAAKq3C,KAAL,KAAe,IAAnB,EAAyB;AACvB,WAAKK,SAAL;AACD;AACF,G;;SAEDvJ,Q,GAAA,oBAAY;AACV,SAAK+I,OAAL,GAAe,KAAf;AACD,G;;SAEDS,gB,GAAA,0BAAkBh9C,IAAlB,EAAwB;AACtB,QAAIw6B,MAAM,GAAG,EAAb;AACA,QAAI+G,WAAW,GAAG,EAAlB;AACA,QAAI0b,YAAJ;AACA,QAAIC,QAAQ,GAAG,EAAf;AACA,QAAIC,YAAY,GAAG,IAAnB;AACA,QAAIC,eAAe,GAAG,KAAtB;AACA,QAAIC,eAAe,GAAG,KAAtB,CAPsB,CAStB;;AACAr9C,QAAI,CAACw6B,MAAL,CAAYhiB,OAAZ,CAAoB,UAAAmd,KAAK,EAAI;AAC3B,UAAM2nB,UAAU,GAAG3nB,KAAK,CAAC+B,KAAzB;AACA/B,WAAK,CAACmnB,SAAN,GAAkB,CAAlB;AACAnnB,WAAK,CAAC4nB,aAAN,GAAsB,KAAtB;AAEAH,qBAAe,GAAGA,eAAe,IAAI,CAAC,CAACznB,KAAK,CAACjrB,UAA7C;AACA2yC,qBAAe,GAAGA,eAAe,IAAI,CAAC,CAAC1nB,KAAK,CAAC/tB,UAA7C,CAN2B,CAQ3B;AACA;;AACA,UAAIy0C,eAAe,IAAI1mB,KAAK,CAAC/tB,UAAzB,IAAuC+tB,KAAK,CAAC/tB,UAAN,CAAiBa,OAAjB,CAAyB,YAAzB,MAA2C,CAAC,CAAvF,EAA0F;AACxFktB,aAAK,CAAC/tB,UAAN,GAAmBvC,SAAnB;AACD;;AAED83C,kBAAY,GAAGD,QAAQ,CAACvnB,KAAK,CAACoF,OAAP,CAAvB,CAd2B,CAca;;AAExC,UAAI,CAACoiB,YAAL,EAAmB;AACjBxnB,aAAK,CAACvJ,GAAN,GAAY,CAACuJ,KAAK,CAACvJ,GAAP,CAAZ;AACAuJ,aAAK,CAACD,KAAN,GAAc,CAAd;AACAwnB,gBAAQ,CAACvnB,KAAK,CAACoF,OAAP,CAAR,GAA0BpF,KAA1B;AACA6E,cAAM,CAACpwB,IAAP,CAAYurB,KAAZ;AACD,OALD,MAKO;AACLwnB,oBAAY,CAAC/wB,GAAb,CAAiBhiB,IAAjB,CAAsBurB,KAAK,CAACvJ,GAA5B;AACD;;AAED,UAAIkxB,UAAJ,EAAgB;AACd,YAAIA,UAAU,CAACtoB,KAAf,EAAsB;AACpBqoB,yBAAe,GAAG,IAAlB;AACAhT,oBAAU,CAAC8S,YAAY,IAAIxnB,KAAjB,EAAwB,OAAxB,EAAiC2nB,UAAU,CAACtoB,KAA5C,CAAV;AACD;;AACD,YAAIsoB,UAAU,CAACE,SAAf,EAA0B;AACxBnT,oBAAU,CAAC8S,YAAY,IAAIxnB,KAAjB,EAAwB,MAAxB,EAAgC2nB,UAAU,CAACE,SAA3C,CAAV;AACD;AACF;AACF,KAlCD,EAVsB,CA8CtB;;AACA,QAAIJ,eAAe,IAAIC,eAAvB,EAAwC;AACtC7iB,YAAM,GAAGA,MAAM,CAACnT,MAAP,CAAc;AAAA,YAAG3c,UAAH,QAAGA,UAAH;AAAA,eAAoB,CAAC,CAACA,UAAtB;AAAA,OAAd,CAAT;AACD,KAjDqB,CAmDtB;;;AACA8vB,UAAM,GAAGA,MAAM,CAACnT,MAAP,CAAc,iBAAgC;AAAA,UAA7Bzf,UAA6B,SAA7BA,UAA6B;AAAA,UAAjB8C,UAAiB,SAAjBA,UAAiB;AACrD,aAAO,CAAC,CAAC9C,UAAD,IAAesxB,qBAAqB,CAACtxB,UAAD,EAAa,OAAb,CAArC,MAAgE,CAAC8C,UAAD,IAAewuB,qBAAqB,CAACxuB,UAAD,EAAa,OAAb,CAApG,CAAP;AACD,KAFQ,CAAT;;AAIA,QAAI1K,IAAI,CAACuhC,WAAT,EAAsB;AACpBA,iBAAW,GAAGvhC,IAAI,CAACuhC,WAAL,CAAiBla,MAAjB,CAAwB,UAAA/d,KAAK;AAAA,eAAI,CAACA,KAAK,CAAC1B,UAAP,IAAqBsxB,qBAAqB,CAAC5vB,KAAK,CAAC1B,UAAP,EAAmB,OAAnB,CAA9C;AAAA,OAA7B,CAAd,CADoB,CAEpB;;AACA25B,iBAAW,CAAC/oB,OAAZ,CAAoB,UAAClP,KAAD,EAAQ4e,KAAR,EAAkB;AACpC5e,aAAK,CAACwB,EAAN,GAAWod,KAAX;AACD,OAFD;AAGD;;AAED,QAAIsS,MAAM,CAACz3B,MAAP,GAAgB,CAApB,EAAuB;AACrB;AACAk6C,kBAAY,GAAGziB,MAAM,CAAC,CAAD,CAAN,CAAUO,OAAzB,CAFqB,CAGrB;;AACAP,YAAM,CAAC5V,IAAP,CAAY,UAACC,CAAD,EAAIhM,CAAJ;AAAA,eAAUgM,CAAC,CAACkW,OAAF,GAAYliB,CAAC,CAACkiB,OAAxB;AAAA,OAAZ;AACA,WAAK6hB,OAAL,GAAepiB,MAAf,CALqB,CAMrB;;AACA,WAAK,IAAI94B,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG84B,MAAM,CAACz3B,MAA3B,EAAmCrB,CAAC,EAApC,EAAwC;AACtC,YAAI84B,MAAM,CAAC94B,CAAD,CAAN,CAAUq5B,OAAV,KAAsBkiB,YAA1B,EAAwC;AACtC,eAAKQ,WAAL,GAAmB/7C,CAAnB;AACA0E,0BAAM,CAACC,GAAP,sBAA8Bm0B,MAAM,CAACz3B,MAArC,uCAA6Ek6C,YAA7E;AACA;AACD;AACF,OAboB,CAerB;;;AACA,WAAKjqB,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAAC8pB,eAAvB,EAAwC;AACtCyJ,cAAM,EAANA,MADsC;AAEtC+G,mBAAW,EAAXA,WAFsC;AAGtCmc,kBAAU,EAAE,KAAKD,WAHqB;AAItCp0B,aAAK,EAAErpB,IAAI,CAACqpB,KAJ0B;AAKtC3W,aAAK,EAAE2qC,eAL+B;AAMtC5qC,aAAK,EAAE2qC,eAN+B;AAOtCtI,gBAAQ,EAAEvT,WAAW,CAACoc,IAAZ,CAAiB,UAAAh7C,CAAC;AAAA,iBAAI,CAAC,CAACA,CAAC,CAACypB,GAAR;AAAA,SAAlB;AAP4B,OAAxC;AASD,KAzBD,MAyBO;AACL,WAAK4G,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAACC,KAAvB,EAA8B;AAC5BC,YAAI,EAAEC,oBAAU,CAACC,WADW;AAE5BC,eAAO,EAAEC,sBAAY,CAACq2C,kCAFM;AAG5Bn2C,aAAK,EAAE,IAHqB;AAI5B2kB,WAAG,EAAE,KAAK4G,GAAL,CAAS5G,GAJc;AAK5B1kB,cAAM,EAAE;AALoB,OAA9B;AAOD;AACF,G;;SAoBDm2C,gB,GAAA,0BAAkBC,QAAlB,EAA4B;AAC1B,QAAMtjB,MAAM,GAAG,KAAKoiB,OAApB;AACA,QAAM5pB,GAAG,GAAG,KAAKA,GAAjB,CAF0B,CAG1B;;AACA,QAAI8qB,QAAQ,IAAI,CAAZ,IAAiBA,QAAQ,GAAGtjB,MAAM,CAACz3B,MAAvC,EAA+C;AAC7C;AACA,WAAK45C,UAAL;;AACA,UAAI,KAAKH,iBAAL,KAA2BsB,QAA/B,EAAyC;AACvC13C,wBAAM,CAACC,GAAP,yBAAiCy3C,QAAjC;AACA,aAAKtB,iBAAL,GAAyBsB,QAAzB;AACA,YAAMC,eAAe,GAAGvjB,MAAM,CAACsjB,QAAD,CAA9B;AACAC,uBAAe,CAACpoB,KAAhB,GAAwBmoB,QAAxB;AACA9qB,WAAG,CAAChsB,OAAJ,CAAYC,iBAAK,CAAC+pB,eAAlB,EAAmC+sB,eAAnC;AACD;;AACD,UAAMpoB,KAAK,GAAG6E,MAAM,CAACsjB,QAAD,CAApB;AACA,UAAMjc,YAAY,GAAGlM,KAAK,CAACruB,OAA3B,CAX6C,CAa7C;;AACA,UAAI,CAACu6B,YAAD,IAAiBA,YAAY,CAAC7K,IAAlC,EAAwC;AACtC;AACA,YAAItB,KAAK,GAAGC,KAAK,CAACD,KAAlB;AACA1C,WAAG,CAAChsB,OAAJ,CAAYC,iBAAK,CAACiqB,aAAlB,EAAiC;AAAE9E,aAAG,EAAEuJ,KAAK,CAACvJ,GAAN,CAAUsJ,KAAV,CAAP;AAAyBC,eAAK,EAAEmoB,QAAhC;AAA0ChzC,YAAE,EAAE4qB;AAA9C,SAAjC;AACD;AACF,KAnBD,MAmBO;AACL;AACA1C,SAAG,CAAChsB,OAAJ,CAAYC,iBAAK,CAACC,KAAlB,EAAyB;AACvBC,YAAI,EAAEC,oBAAU,CAAC0sB,WADM;AAEvBxsB,eAAO,EAAEC,sBAAY,CAACy2C,kBAFC;AAGvBroB,aAAK,EAAEmoB,QAHgB;AAIvBr2C,aAAK,EAAE,KAJgB;AAKvBC,cAAM,EAAE;AALe,OAAzB;AAOD;AACF,G;;SA4CDg5B,O,GAAA,iBAAS1gC,IAAT,EAAe;AACb,QAAIA,IAAI,CAACyH,KAAT,EAAgB;AACd,UAAIzH,IAAI,CAACmH,IAAL,KAAcC,oBAAU,CAACm7B,aAA7B,EAA4C;AAC1C,aAAKoa,UAAL;AACD;;AAED;AACD;;AAED,QAAIsB,UAAU,GAAG,KAAjB;AAAA,QAAwBV,aAAa,GAAG,KAAxC;AACA,QAAIW,UAAJ,CAVa,CAYb;;AACA,YAAQl+C,IAAI,CAACsH,OAAb;AACA,WAAKC,sBAAY,CAACu8B,eAAlB;AACA,WAAKv8B,sBAAY,CAACw8B,iBAAlB;AACA,WAAKx8B,sBAAY,CAAC88B,cAAlB;AACA,WAAK98B,sBAAY,CAAC+8B,gBAAlB;AACE4Z,kBAAU,GAAGl+C,IAAI,CAAC+W,IAAL,CAAU4e,KAAvB;AACA4nB,qBAAa,GAAG,IAAhB;AACA;;AACF,WAAKh2C,sBAAY,CAACq7B,gBAAlB;AACA,WAAKr7B,sBAAY,CAACo7B,kBAAlB;AACEub,kBAAU,GAAGl+C,IAAI,CAACk+B,OAAL,CAAavI,KAA1B;AACAsoB,kBAAU,GAAG,IAAb;AACA;;AACF,WAAK12C,sBAAY,CAACme,iBAAlB;AACEw4B,kBAAU,GAAGl+C,IAAI,CAAC21B,KAAlB;AACAsoB,kBAAU,GAAG,IAAb;AACA;AAhBF;;AAmBA,QAAIC,UAAU,KAAK74C,SAAnB,EAA8B;AAC5B,WAAK84C,YAAL,CAAkBn+C,IAAlB,EAAwBk+C,UAAxB,EAAoCD,UAApC,EAAgDV,aAAhD;AACD;AACF;AAED;;;;;;;;;AASA;;;SACAY,Y,GAAA,sBAAcC,UAAd,EAA0BF,UAA1B,EAAsCD,UAAtC,EAAkDV,aAAlD,EAAiE;AAAA;;AAAA,QACzD73C,MADyD,GAC9C,KAAKstB,GADyC,CACzDttB,MADyD;AAAA,QAEhD24C,YAFgD,GAE/BD,UAF+B,CAEzD92C,OAFyD;AAG/D,QAAIquB,KAAK,GAAG,KAAKinB,OAAL,CAAasB,UAAb,CAAZ;AACA,QAAII,eAAJ,EAAqB7C,KAArB,EAA4BhD,SAA5B;AAEA9iB,SAAK,CAACmnB,SAAN;AACAnnB,SAAK,CAAC4nB,aAAN,GAAsBA,aAAtB;;AAEA,QAAIU,UAAJ,EAAgB;AACd,UAAK,KAAKpB,eAAL,GAAuB,CAAxB,IAA8Bn3C,MAAM,CAACy6B,oBAAzC,EAA+D;AAC7D;AACAsb,aAAK,GAAG7tC,IAAI,CAACC,GAAL,CAASD,IAAI,CAACiO,GAAL,CAAS,CAAT,EAAY,KAAKghC,eAAjB,IAAoCn3C,MAAM,CAAC06B,sBAApD,EAA4E16B,MAAM,CAAC26B,2BAAnF,CAAR,CAF6D,CAG7D;;AACA,aAAKqc,KAAL,GAAajK,UAAU,CAAC;AAAA,iBAAM,MAAI,CAACsK,SAAL,EAAN;AAAA,SAAD,EAAyBtB,KAAzB,CAAvB,CAJ6D,CAK7D;;AACA2C,kBAAU,CAAC1C,UAAX,GAAwB,IAAxB;AACA,aAAKmB,eAAL;AACAz2C,wBAAM,CAACgN,IAAP,wBAAiCirC,YAAjC,mBAA2D5C,KAA3D,oCAA+F,KAAKoB,eAApG;AACD,OATD,MASO;AACLz2C,wBAAM,CAACU,KAAP,4CAAsDu3C,YAAtD;AACA,aAAK7B,iBAAL,GAAyB,IAAzB,CAFK,CAGL;;AACA,aAAKG,UAAL,GAJK,CAKL;;AACAyB,kBAAU,CAAC32C,KAAX,GAAmB,IAAnB;AACA;AACD;AACF,KA5B8D,CA8B/D;AACA;;;AACA,QAAIw2C,UAAU,IAAIV,aAAlB,EAAiC;AAC/Be,qBAAe,GAAG3oB,KAAK,CAACvJ,GAAN,CAAUrpB,MAA5B;;AAEA,UAAIu7C,eAAe,GAAG,CAAlB,IAAuB3oB,KAAK,CAACmnB,SAAN,GAAkBwB,eAA7C,EAA8D;AAC5D3oB,aAAK,CAACD,KAAN,GAAc,CAACC,KAAK,CAACD,KAAN,GAAc,CAAf,IAAoB4oB,eAAlC;AACA3oB,aAAK,CAACruB,OAAN,GAAgBjC,SAAhB;AAEAe,wBAAM,CAACgN,IAAP,wBAAiCirC,YAAjC,mBAA2DH,UAA3D,wCAAwGvoB,KAAK,CAACD,KAA9G,EAJ4D,CAM5D;AACA;AACD,OARD,MAQO;AACL;AACA,YAAI,KAAK+mB,gBAAL,KAA0B,CAAC,CAA/B,EAAkC;AAChC;AACAhE,mBAAS,GAAIyF,UAAU,KAAK,CAAhB,GAAqB,KAAKtB,OAAL,CAAa75C,MAAb,GAAsB,CAA3C,GAA+Cm7C,UAAU,GAAG,CAAxE;AACA93C,0BAAM,CAACgN,IAAP,wBAAiCirC,YAAjC,oBAA4D5F,SAA5D;AACA,eAAKzlB,GAAL,CAASurB,aAAT,GAAyB,KAAK/B,iBAAL,GAAyB/D,SAAlD;AACD,SALD,MAKO,IAAI8E,aAAJ,EAAmB;AACxB;AACA;AACAn3C,0BAAM,CAACgN,IAAP,wBAAiCirC,YAAjC;AACA,eAAK7B,iBAAL,GAAyB,IAAzB;AACD;AACF;AACF;AACF,G,CAED;;;SACA7V,Y,GAAA,6BAAwB;AAAA,QAAR5vB,IAAQ,SAARA,IAAQ;;AACtB,QAAIA,IAAI,KAAK1R,SAAT,IAAsB0R,IAAI,CAAC5P,IAAL,KAAc,MAAxC,EAAgD;AAC9C,UAAMwuB,KAAK,GAAG,KAAKinB,OAAL,CAAa7lC,IAAI,CAAC4e,KAAlB,CAAd;;AACA,UAAIA,KAAK,KAAKtwB,SAAd,EAAyB;AACvBswB,aAAK,CAAC4nB,aAAN,GAAsB,KAAtB;AACA5nB,aAAK,CAACmnB,SAAN,GAAkB,CAAlB;AACA,aAAKD,eAAL,GAAuB,CAAvB;AACD;AACF;AACF,G;;SAEDrD,a,GAAA,uBAAex5C,IAAf,EAAqB;AAAA;;AAAA,QACX21B,KADW,GACQ31B,IADR,CACX21B,KADW;AAAA,QACJruB,OADI,GACQtH,IADR,CACJsH,OADI,EAEnB;;AACA,QAAIquB,KAAK,KAAK,KAAK6mB,iBAAnB,EAAsC;AACpC;AACD;;AAED,QAAM9C,QAAQ,GAAG,KAAKkD,OAAL,CAAajnB,KAAb,CAAjB,CAPmB,CAQnB;;AACA,QAAI,CAAC+jB,QAAQ,CAAC6D,aAAd,EAA6B;AAC3B7D,cAAQ,CAACoD,SAAT,GAAqB,CAArB;AACA,WAAKD,eAAL,GAAuB,CAAvB;AACD,KAZkB,CAanB;;;AACA,QAAIv1C,OAAO,CAAC0vB,IAAZ,EAAkB;AAChB,UAAMwV,cAAc,GAAGH,qBAAqB,CAACqN,QAAQ,CAACpyC,OAAV,EAAmBA,OAAnB,EAA4BtH,IAAI,CAACqpB,KAAL,CAAWm1B,QAAvC,CAA5C;AACAp4C,sBAAM,CAACC,GAAP,+BAAuCuH,IAAI,CAAC6J,KAAL,CAAW+0B,cAAX,CAAvC;AACA,WAAKkQ,KAAL,GAAajK,UAAU,CAAC;AAAA,eAAM,MAAI,CAACsK,SAAL,EAAN;AAAA,OAAD,EAAyBvQ,cAAzB,CAAvB;AACD,KAJD,MAIO;AACL,WAAKmQ,UAAL;AACD;AACF,G;;SAED5B,oB,GAAA,8BAAsB/6C,IAAtB,EAA4B;AAC1B,QAAMy+C,YAAY,GAAG,KAAKzrB,GAAL,CAASuO,WAAT,CAAqBvhC,IAAI,CAAC8K,EAA1B,EAA8BywB,OAAnD;AAEA,QAAMue,YAAY,GAAG,KAAK9mB,GAAL,CAASwH,MAAT,CAAgB,KAAKgiB,iBAArB,CAArB;;AACA,QAAI,CAAC1C,YAAL,EAAmB;AACjB;AACD;;AAED,QAAIA,YAAY,CAACxP,aAAjB,EAAgC;AAC9B,UAAI5U,KAAK,GAAG,CAAC,CAAb;;AAEA,WAAK,IAAIh0B,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGo4C,YAAY,CAACxP,aAAb,CAA2BvnC,MAA/C,EAAuDrB,CAAC,EAAxD,EAA4D;AAC1D,YAAIo4C,YAAY,CAACxP,aAAb,CAA2B5oC,CAA3B,MAAkC+8C,YAAtC,EAAoD;AAClD/oB,eAAK,GAAGh0B,CAAR;AACA;AACD;AACF;;AAED,UAAIg0B,KAAK,KAAKokB,YAAY,CAACpkB,KAA3B,EAAkC;AAChCokB,oBAAY,CAACpkB,KAAb,GAAqBA,KAArB;AACA,aAAK6d,SAAL;AACD;AACF;AACF,G;;SAEDwJ,S,GAAA,qBAAa;AACX32C,oBAAM,CAAC6R,KAAP,CAAa,mBAAb;;AAEA,QAAI,KAAKukC,iBAAL,KAA2B,IAA3B,IAAmC,KAAKD,OAA5C,EAAqD;AACnD,UAAMmC,WAAW,GAAG,KAAK9B,OAAL,CAAa,KAAKJ,iBAAlB,CAApB;;AAEA,UAAI,OAAOkC,WAAP,KAAuB,QAAvB,IACFA,WAAW,CAACtyB,GAAZ,CAAgBrpB,MAAhB,GAAyB,CAD3B,EAC8B;AAC5B,YAAM4yB,KAAK,GAAG,KAAK6mB,iBAAnB;AACA,YAAM1xC,EAAE,GAAG4zC,WAAW,CAAChpB,KAAvB;AACA,YAAMtJ,GAAG,GAAGsyB,WAAW,CAACtyB,GAAZ,CAAgBthB,EAAhB,CAAZ;AAEA1E,wBAAM,CAACC,GAAP,kCAA0CsvB,KAA1C,qBAA+D7qB,EAA/D,EAL4B,CAO5B;AACA;;AAEA,aAAKkoB,GAAL,CAAShsB,OAAT,CAAiBC,iBAAK,CAACiqB,aAAvB,EAAsC;AAAE9E,aAAG,EAAHA,GAAF;AAAOuJ,eAAK,EAALA,KAAP;AAAc7qB,YAAE,EAAFA;AAAd,SAAtC;AACD;AACF;AACF,G;;;;wBA1Ra;AACZ,aAAO,KAAK8xC,OAAZ;AACD;;;wBAEY;AACX,aAAO,KAAKJ,iBAAZ;AACD,K;sBAEUsB,Q,EAAU;AACnB,UAAItjB,MAAM,GAAG,KAAKoiB,OAAlB;;AACA,UAAIpiB,MAAJ,EAAY;AACVsjB,gBAAQ,GAAGlwC,IAAI,CAACC,GAAL,CAASiwC,QAAT,EAAmBtjB,MAAM,CAACz3B,MAAP,GAAgB,CAAnC,CAAX;;AACA,YAAI,KAAKy5C,iBAAL,KAA2BsB,QAA3B,IAAuC,CAACtjB,MAAM,CAACsjB,QAAD,CAAN,CAAiBx2C,OAA7D,EAAsE;AACpE,eAAKu2C,gBAAL,CAAsBC,QAAtB;AACD;AACF;AACF;;;wBAqCkB;AACjB,aAAO,KAAKrB,gBAAZ;AACD,K;sBAEgBqB,Q,EAAU;AACzB,WAAKrB,gBAAL,GAAwBqB,QAAxB;;AACA,UAAI,KAAKa,WAAL,KAAqBt5C,SAAzB,EAAoC;AAClC,aAAKs5C,WAAL,GAAmBb,QAAnB;AACD;;AAED,UAAIA,QAAQ,KAAK,CAAC,CAAlB,EAAqB;AACnB,aAAKnoB,KAAL,GAAamoB,QAAb;AACD;AACF;;;wBAEiB;AAChB,aAAO,KAAKL,WAAZ;AACD,K;sBAEeK,Q,EAAU;AACxB,WAAKL,WAAL,GAAmBK,QAAnB;AACD;;;wBAEiB;AAChB;AACA;AACA,UAAI,KAAKa,WAAL,KAAqBt5C,SAAzB,EAAoC;AAClC,YAAIu5C,gBAAgB,GAAG,KAAK5rB,GAAL,CAASttB,MAAT,CAAgBuvC,UAAvC;;AACA,YAAI2J,gBAAgB,KAAKv5C,SAAzB,EAAoC;AAClC,iBAAOu5C,gBAAP;AACD,SAFD,MAEO;AACL,iBAAO,KAAKnB,WAAZ;AACD;AACF,OAPD,MAOO;AACL,eAAO,KAAKkB,WAAZ;AACD;AACF,K;sBAEeb,Q,EAAU;AACxB,WAAKa,WAAL,GAAmBb,QAAnB;AACD;;;wBA+LoB;AACnB,UAAI,KAAKrB,gBAAL,KAA0B,CAAC,CAA/B,EAAkC;AAChC,eAAO,KAAKA,gBAAZ;AACD,OAFD,MAEO;AACL,eAAO,KAAKzpB,GAAL,CAASurB,aAAhB;AACD;AACF,K;sBAEkB9F,S,EAAW;AAC5B,WAAK9iB,KAAL,GAAa8iB,SAAb;;AACA,UAAI,KAAKgE,gBAAL,KAA0B,CAAC,CAA/B,EAAkC;AAChC,aAAKzpB,GAAL,CAASurB,aAAT,GAAyB9F,SAAzB;AACD;AACF;;;;EApc0C1lB,a;;;;;;;ACbtC,SAAS8rB,iBAAT,CAA4Bv1C,KAA5B,EAA8Cw1C,OAA9C,EAAyE;AAC9E,MAAI90B,KAAJ;;AACA,MAAI;AACFA,SAAK,GAAG,IAAI/iB,KAAJ,CAAU,UAAV,CAAR;AACD,GAFD,CAEE,OAAON,GAAP,EAAY;AACZ;AACAqjB,SAAK,GAAG+0B,QAAQ,CAACC,WAAT,CAAqB,OAArB,CAAR;AACAh1B,SAAK,CAACi1B,SAAN,CAAgB,UAAhB,EAA4B,KAA5B,EAAmC,KAAnC;AACD;;AACAj1B,OAAD,CAAe1gB,KAAf,GAAuBA,KAAvB;AACAw1C,SAAO,CAACI,aAAR,CAAsBl1B,KAAtB;AACD;AAEM,SAASm1B,gBAAT,CAA2B71C,KAA3B,EAA6C;AAClD,MAAIA,KAAK,IAAIA,KAAK,CAAC81C,IAAnB,EAAyB;AACvB,WAAO91C,KAAK,CAAC81C,IAAN,CAAWr8C,MAAX,GAAoB,CAA3B,EAA8B;AAC5BuG,WAAK,CAAC+1C,SAAN,CAAgB/1C,KAAK,CAAC81C,IAAN,CAAW,CAAX,CAAhB;AACD;AACF;AACF;AAED;;;;;;;;;;;AAUO,SAASE,aAAT,CAAwBF,IAAxB,EAAiE1Z,IAAjE,EAA6F;AAClG;AACA,MAAIA,IAAI,GAAG0Z,IAAI,CAAC,CAAD,CAAJ,CAAQj2B,OAAnB,EAA4B;AAC1B,WAAOi2B,IAAI,CAAC,CAAD,CAAX;AACD,GAJiG,CAKlG;;;AACA,MAAI1Z,IAAI,GAAG0Z,IAAI,CAACA,IAAI,CAACr8C,MAAL,GAAc,CAAf,CAAJ,CAAsBomB,OAAjC,EAA0C;AACxC,WAAOi2B,IAAI,CAACA,IAAI,CAACr8C,MAAL,GAAc,CAAf,CAAX;AACD;;AAED,MAAIw8C,IAAI,GAAG,CAAX;AACA,MAAIC,KAAK,GAAGJ,IAAI,CAACr8C,MAAL,GAAc,CAA1B;;AAEA,SAAOw8C,IAAI,IAAIC,KAAf,EAAsB;AACpB,QAAMC,GAAG,GAAG7xC,IAAI,CAACkE,KAAL,CAAW,CAAC0tC,KAAK,GAAGD,IAAT,IAAiB,CAA5B,CAAZ;;AAEA,QAAI7Z,IAAI,GAAG0Z,IAAI,CAACK,GAAD,CAAJ,CAAUt2B,OAArB,EAA8B;AAC5Bq2B,WAAK,GAAGC,GAAG,GAAG,CAAd;AACD,KAFD,MAEO,IAAI/Z,IAAI,GAAG0Z,IAAI,CAACK,GAAD,CAAJ,CAAUt2B,OAArB,EAA8B;AACnCo2B,UAAI,GAAGE,GAAG,GAAG,CAAb;AACD,KAFM,MAEA;AACL;AACA,aAAOL,IAAI,CAACK,GAAD,CAAX;AACD;AACF,GAxBiG,CAyBlG;AACA;;;AACA,SAAQL,IAAI,CAACG,IAAD,CAAJ,CAAWp2B,OAAX,GAAqBuc,IAAtB,GAA+BA,IAAI,GAAG0Z,IAAI,CAACI,KAAD,CAAJ,CAAYr2B,OAAlD,GAA6Di2B,IAAI,CAACG,IAAD,CAAjE,GAA0EH,IAAI,CAACI,KAAD,CAArF;AACD,C;;;;AC5DD;;;AAIA;AACA;AACA;AACA;AACA;;IAEME,uC;;;;;AACJ,8BAAa1sB,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACE/rB,iBAAK,CAACipB,cADR,EAEEjpB,iBAAK,CAACkpB,eAFR,EAGElpB,iBAAK,CAACkhB,qBAHR,EAIElhB,iBAAK,CAACqqB,wBAJR;AAOA,UAAK7c,QAAL,GAAgBpP,SAAhB;AACA,UAAKi2B,KAAL,GAAaj2B,SAAb;AATgB;AAUjB;;;;SAEDD,O,GAAA,mBAAW;AACT2tB,iBAAY,CAACxT,SAAb,CAAuBna,OAAvB,CAA+Boa,IAA/B,CAAoC,IAApC;AACD,G,CAED;;;SACAq5B,e,GAAA,yBAAiB74C,IAAjB,EAAuB;AACrB,SAAKs7B,KAAL,GAAat7B,IAAI,CAACs7B,KAAlB;;AACA,QAAI,CAAC,KAAKA,KAAV,EAAiB,CAEhB;AACF,G;;SAED6d,gB,GAAA,4BAAoB;AAClBgG,oBAAgB,CAAC,KAAK1qC,QAAN,CAAhB;AACA,SAAKA,QAAL,GAAgBpP,SAAhB;AACA,SAAKi2B,KAAL,GAAaj2B,SAAb;AACD,G;;SAEDs6C,W,GAAA,qBAAaC,UAAb,EAAyB;AACvB,SAAK,IAAIl+C,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGk+C,UAAU,CAAC78C,MAA/B,EAAuCrB,CAAC,EAAxC,EAA4C;AAC1C,UAAI2U,SAAS,GAAGupC,UAAU,CAACl+C,CAAD,CAA1B;;AACA,UAAI2U,SAAS,CAACwpC,IAAV,KAAmB,UAAnB,IAAiCxpC,SAAS,CAACypC,KAAV,KAAoB,KAAzD,EAAgE;AAC9D;AACA;AACAjB,yBAAiB,CAACxoC,SAAD,EAAY,KAAKilB,KAAjB,CAAjB;AAEA,eAAOjlB,SAAP;AACD;AACF;;AACD,WAAO,KAAKilB,KAAL,CAAWykB,YAAX,CAAwB,UAAxB,EAAoC,KAApC,CAAP;AACD,G;;SAEDC,uB,GAAA,uCAAwC;AAAA,QAAbxX,SAAa,QAAbA,SAAa;;AACtC,QAAI,CAAC,KAAK/zB,QAAN,IAAkB,CAAC,KAAKA,QAAL,CAAc2qC,IAAjC,IAAyC,CAAC,KAAK3qC,QAAL,CAAc2qC,IAAd,CAAmBr8C,MAAjE,EAAyE;AACvE;AACD;;AACD,QAAMk9C,QAAQ,GAAGX,aAAa,CAAC,KAAK7qC,QAAL,CAAc2qC,IAAf,EAAqB5W,SAArB,CAA9B;;AACA,QAAI,CAACyX,QAAL,EAAe;AACb;AACD;;AAED,QAAIC,UAAU,GAAG,IAAjB;;AACA,WAAOA,UAAP,EAAmB;AACjB,UAAMC,GAAG,GAAG,KAAK1rC,QAAL,CAAc2qC,IAAd,CAAmB,CAAnB,CAAZ;;AACA,UAAI,CAAC,KAAK3qC,QAAL,CAAc2qC,IAAd,CAAmBr8C,MAApB,IAA8Bo9C,GAAG,CAACr1C,EAAJ,KAAWm1C,QAAQ,CAACn1C,EAAtD,EAA0D;AACxDo1C,kBAAU,GAAG,KAAb;AACA;AACD;;AACD,WAAKzrC,QAAL,CAAc4qC,SAAd,CAAwBc,GAAxB;AACD;AACF,G;;SAEDC,qB,GAAA,+BAAuBpgD,IAAvB,EAA6B;AAC3B,QAAMovB,QAAQ,GAAGpvB,IAAI,CAAC+W,IAAtB;AACA,QAAM5M,OAAO,GAAGnK,IAAI,CAACmK,OAArB,CAF2B,CAI3B;;AACA,QAAI,CAAC,KAAKsK,QAAV,EAAoB;AAClB,WAAKA,QAAL,GAAgB,KAAKkrC,WAAL,CAAiB,KAAKrkB,KAAL,CAAWskB,UAA5B,CAAhB;AACA,WAAKnrC,QAAL,CAAc4rC,IAAd,GAAqB,QAArB;AACD,KAR0B,CAU3B;AACA;AACA;;;AACA,QAAIC,GAAG,GAAG3iB,MAAM,CAAC4iB,aAAP,IAAwB5iB,MAAM,CAAC6iB,MAA/B,IAAyC7iB,MAAM,CAAC8iB,YAA1D;;AAEA,SAAK,IAAI/+C,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGyI,OAAO,CAACpH,MAA5B,EAAoCrB,CAAC,EAArC,EAAyC;AACvC,UAAMupB,MAAM,GAAG5f,cAAG,CAAC6f,YAAJ,CAAiB/gB,OAAO,CAACzI,CAAD,CAAP,CAAW1B,IAA5B,CAAf;;AACA,UAAIirB,MAAJ,EAAY;AACV,YAAM/B,SAAS,GAAG/e,OAAO,CAACzI,CAAD,CAAP,CAAW+H,GAA7B;AACA,YAAI0f,OAAO,GAAGznB,CAAC,GAAGyI,OAAO,CAACpH,MAAR,GAAiB,CAArB,GAAyBoH,OAAO,CAACzI,CAAC,GAAG,CAAL,CAAP,CAAe+H,GAAxC,GAA8C2lB,QAAQ,CAACtM,MAArE;;AAEA,YAAIoG,SAAS,KAAKC,OAAlB,EAA2B;AACzB;AACAA,iBAAO,IAAI,MAAX;AACD,SAHD,MAGO,IAAID,SAAS,GAAGC,OAAhB,EAAyB;AAC9B/iB,0BAAM,CAACgN,IAAP,CAAY,0FAAZ;AACA+V,iBAAO,GAAGD,SAAS,GAAG,IAAtB;AACD;;AAED,aAAK,IAAI9Z,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG6b,MAAM,CAACloB,MAA3B,EAAmCqM,CAAC,EAApC,EAAwC;AACtC,cAAMrD,KAAK,GAAGkf,MAAM,CAAC7b,CAAD,CAApB,CADsC,CAEtC;;AACA,cAAI,CAAC/D,cAAG,CAAC8f,gBAAJ,CAAqBpf,KAArB,CAAL,EAAkC;AAChC,gBAAMo0C,GAAG,GAAG,IAAIG,GAAJ,CAAQp3B,SAAR,EAAmBC,OAAnB,EAA4B,EAA5B,CAAZ;AACAg3B,eAAG,CAAC1lC,KAAJ,GAAY1O,KAAZ;AACA,iBAAK0I,QAAL,CAAcisC,MAAd,CAAqBP,GAArB;AACD;AACF;AACF;AACF;AACF,G;;SAEDH,uB,GAAA,wCAAwC;AAAA,QAAbxX,SAAa,SAAbA,SAAa;AAAA,QAC9B/zB,QAD8B,GACjB,IADiB,CAC9BA,QAD8B;;AAEtC,QAAI,CAACA,QAAD,IAAa,CAACA,QAAQ,CAAC2qC,IAAvB,IAA+B,CAAC3qC,QAAQ,CAAC2qC,IAAT,CAAcr8C,MAAlD,EAA0D;AACxD;AACD;;AACD,QAAMk9C,QAAQ,GAAGX,aAAa,CAAC7qC,QAAQ,CAAC2qC,IAAV,EAAgB5W,SAAhB,CAA9B;;AACA,QAAI,CAACyX,QAAL,EAAe;AACb;AACD;;AACD,WAAOxrC,QAAQ,CAAC2qC,IAAT,CAAc,CAAd,MAAqBa,QAA5B,EAAsC;AACpCxrC,cAAQ,CAAC4qC,SAAT,CAAmB5qC,QAAQ,CAAC2qC,IAAT,CAAc,CAAd,CAAnB;AACD;AACF,G;;;EAvH8BrsB,a;;AA0HlB2sB,gGAAf,E;;ACpIA;AAEO,SAASiB,wBAAT,GAAiC;AACtC,MAAMC,WAAW,GAAGhY,cAAc,EAAlC;;AACA,MAAI,CAACgY,WAAL,EAAkB;AAChB,WAAO,KAAP;AACD;;AACD,MAAMC,YAAY,GAAG/2B,IAAI,CAACg3B,YAAL,IAAsBh3B,IAAD,CAAci3B,kBAAxD;AACA,MAAM3nB,eAAe,GAAGwnB,WAAW,IACjC,OAAOA,WAAW,CAACxnB,eAAnB,KAAuC,UADjB,IAEtBwnB,WAAW,CAACxnB,eAAZ,CAA4B,2CAA5B,CAFF,CANsC,CAUtC;AACA;;AACA,MAAM4nB,oBAAoB,GAAG,CAACH,YAAD,IAC1BA,YAAY,CAACthC,SAAb,IACC,OAAOshC,YAAY,CAACthC,SAAb,CAAuB0hC,YAA9B,KAA+C,UADhD,IAEC,OAAOJ,YAAY,CAACthC,SAAb,CAAuB2hC,MAA9B,KAAyC,UAH7C;AAIA,SAAO,CAAC,CAAC9nB,eAAF,IAAqB,CAAC,CAAC4nB,oBAA9B;AACD,C;;ACnBD;;;;;IAMMG,I;;;AAKJ;AACA,gBAAaC,QAAb,EAA+B;AAAA,SALvBC,MAKuB;AAAA,SAJvBC,SAIuB;AAAA,SAHvBC,YAGuB;AAC7B;AACA,SAAKF,MAAL,GAAcD,QAAQ,GAAGxzC,IAAI,CAAC4zC,GAAL,CAAS5zC,IAAI,CAACvH,GAAL,CAAS,GAAT,IAAgB+6C,QAAzB,CAAH,GAAwC,CAA9D;AACA,SAAKE,SAAL,GAAiB,CAAjB;AACA,SAAKC,YAAL,GAAoB,CAApB;AACD;;;;SAEDl3C,M,GAAA,gBAAQo3C,MAAR,EAAwBhnC,KAAxB,EAAuC;AACrC,QAAIinC,QAAQ,GAAG9zC,IAAI,CAACiO,GAAL,CAAS,KAAKwlC,MAAd,EAAsBI,MAAtB,CAAf;AACA,SAAKH,SAAL,GAAiB7mC,KAAK,IAAI,IAAIinC,QAAR,CAAL,GAAyBA,QAAQ,GAAG,KAAKJ,SAA1D;AACA,SAAKC,YAAL,IAAqBE,MAArB;AACD,G;;SAEDE,c,GAAA,0BAA0B;AACxB,WAAO,KAAKJ,YAAZ;AACD,G;;SAEDK,W,GAAA,uBAAuB;AACrB,QAAI,KAAKP,MAAT,EAAiB;AACf,UAAIQ,UAAU,GAAG,IAAIj0C,IAAI,CAACiO,GAAL,CAAS,KAAKwlC,MAAd,EAAsB,KAAKE,YAA3B,CAArB;AACA,aAAO,KAAKD,SAAL,GAAiBO,UAAxB;AACD,KAHD,MAGO;AACL,aAAO,KAAKP,SAAZ;AACD;AACF,G;;;;;AAGYH,6CAAf,E;;ACvCA;;;;;;;AAQA;;IAEMW,+C;;;AASJ;AACA,kCAAa9uB,GAAb,EAAuB+uB,IAAvB,EAAqCC,IAArC,EAAmDC,eAAnD,EAA4E;AAAA,SAT5EjvB,GAS4E;AAAA,SAPpEkvB,gBAOoE;AAAA,SANpEC,UAMoE;AAAA,SALpEC,WAKoE;AAAA,SAJpEC,KAIoE;AAAA,SAHpEC,KAGoE;AAC1E,SAAKtvB,GAAL,GAAWA,GAAX;AACA,SAAKkvB,gBAAL,GAAwBD,eAAxB;AACA,SAAKE,UAAL,GAAkB,KAAlB;AACA,SAAKC,WAAL,GAAmB,EAAnB;AACA,SAAKC,KAAL,GAAa,IAAIlB,IAAJ,CAASY,IAAT,CAAb;AACA,SAAKO,KAAL,GAAa,IAAInB,IAAJ,CAASa,IAAT,CAAb;AACD;;;;SAED33C,M,GAAA,gBAAQk4C,UAAR,EAA4BC,QAA5B,EAA8C;AAC5CD,cAAU,GAAG30C,IAAI,CAAC+U,GAAL,CAAS4/B,UAAT,EAAqB,KAAKH,WAA1B,CAAb;AACA,QAAIK,OAAO,GAAG,IAAID,QAAlB;AAAA,QACE;AACAE,aAAS,GAAGH,UAAU,GAAG,IAF3B;AAAA,QAGE;AACAI,kBAAc,GAAGF,OAAO,GAAGC,SAJ7B;AAKA,SAAKJ,KAAL,CAAWj4C,MAAX,CAAkBq4C,SAAlB,EAA6BC,cAA7B;AACA,SAAKN,KAAL,CAAWh4C,MAAX,CAAkBq4C,SAAlB,EAA6BC,cAA7B;AACD,G;;SAEDC,W,GAAA,uBAAwB;AACtB,QAAIZ,IAAI,GAAG,KAAKM,KAAhB;AACA,WAAQN,IAAI,IAAIA,IAAI,CAACL,cAAL,MAAyB,KAAKQ,UAA9C;AACD,G;;SAEDP,W,GAAA,uBAAuB;AACrB,QAAI,KAAKgB,WAAL,EAAJ,EAAwB;AACtB;AACA;AACA;AACA;AACA,aAAOh1C,IAAI,CAACC,GAAL,CAAS,KAAKy0C,KAAL,CAAWV,WAAX,EAAT,EAAmC,KAAKS,KAAL,CAAWT,WAAX,EAAnC,CAAP;AACD,KAND,MAMO;AACL,aAAO,KAAKM,gBAAZ;AACD;AACF,G;;SAED98C,O,GAAA,mBAAW,CACV,C;;;;;AAEY08C,4GAAf,E;;;;;;;;;;;;;AC5DA;;;;;AAMA;AACA;AACA;AACA;AACA;AACA;4BAEwBnkB,M;IAAhBhV,0B,yBAAAA,W;;IAEFk6B,4B;;;;;AACJ,yBAAa7vB,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EAAW/rB,iBAAK,CAACgrB,YAAjB,EACEhrB,iBAAK,CAACmrB,WADR,EAEEnrB,iBAAK,CAACorB,aAFR,EAGEprB,iBAAK,CAACC,KAHR;AAIA,UAAK47C,mBAAL,GAA2B,CAA3B;AACA,UAAKC,cAAL,GAAsB,CAAC,CAAvB;AACA,UAAK/vB,GAAL,GAAWA,GAAX;AACA,UAAK0pB,KAAL,GAAa,IAAb;AACA,UAAKsG,YAAL,GAAoB,IAApB;AACA,UAAKC,OAAL,GAAe,MAAKC,kBAAL,CAAwB/yC,IAAxB,6CAAf;AAVgB;AAWjB;;;;SAED/K,O,GAAA,mBAAW;AACT,SAAKu3C,UAAL;AACA5pB,iBAAY,CAACxT,SAAb,CAAuBna,OAAvB,CAA+Boa,IAA/B,CAAoC,IAApC;AACD,G;;SAED2jB,a,GAAA,uBAAenjC,IAAf,EAAqB;AACnB,QAAM+W,IAAI,GAAG/W,IAAI,CAAC+W,IAAlB;;AACA,QAAIA,IAAI,CAAC5P,IAAL,KAAc,MAAlB,EAA0B;AACxB,UAAI,CAAC,KAAKu1C,KAAV,EAAiB;AACf,aAAKjJ,WAAL,GAAmB18B,IAAnB;AACA,aAAK2lC,KAAL,GAAarK,WAAW,CAAC,KAAK4Q,OAAN,EAAe,GAAf,CAAxB;AACD,OAJuB,CAMxB;AACA;;;AACA,UAAI,CAAC,KAAKD,YAAV,EAAwB;AACtB,YAAMhwB,GAAG,GAAG,KAAKA,GAAjB;AACA,YAAMttB,MAAM,GAAGstB,GAAG,CAACttB,MAAnB;AACA,YAAMiwB,KAAK,GAAG5e,IAAI,CAAC4e,KAAnB;AACA,YAAMwtB,MAAM,GAAGnwB,GAAG,CAACwH,MAAJ,CAAW7E,KAAX,EAAkBruB,OAAlB,CAA0B0vB,IAAzC;AAEA,YAAIosB,QAAJ;AACA,YAAIC,QAAJ;;AACA,YAAIF,MAAJ,EAAY;AACVC,kBAAQ,GAAG19C,MAAM,CAAC49C,eAAlB;AACAD,kBAAQ,GAAG39C,MAAM,CAAC69C,eAAlB;AACD,SAHD,MAGO;AACLH,kBAAQ,GAAG19C,MAAM,CAAC89C,cAAlB;AACAH,kBAAQ,GAAG39C,MAAM,CAAC+9C,cAAlB;AACD;;AACD,aAAKT,YAAL,GAAoB,IAAIlB,wBAAJ,CAA2B9uB,GAA3B,EAAgCqwB,QAAhC,EAA0CD,QAA1C,EAAoD19C,MAAM,CAACg+C,sBAA3D,CAApB;AACD;AACF;AACF,G;;SAEDR,kB,GAAA,8BAAsB;AACpB;;;;;AAKA,QAAMlwB,GAAG,GAAG,KAAKA,GAAjB;AACA,QAAMvgB,KAAK,GAAGugB,GAAG,CAACsI,KAAlB;AACA,QAAMvkB,IAAI,GAAG,KAAK08B,WAAlB;;AAEA,QAAI,CAAC18B,IAAL,EAAW;AACT;AACD;;AAED,QAAM8e,MAAM,GAAG9e,IAAI,CAAC8e,MAApB;AACA,QAAM8tB,YAAY,GAAG3wB,GAAG,CAAC2wB,YAAzB,CAfoB,CAiBpB;;AACA,QAAI,CAAC9tB,MAAD,IAAYA,MAAM,CAACxM,KAAP,IAAgBwM,MAAM,CAACxM,KAAP,CAAau6B,OAA7C,EAAuD;AACrDx9C,sBAAM,CAACgN,IAAP,CAAY,qDAAZ;AACA,WAAKupC,UAAL,GAFqD,CAGrD;;AACA,WAAKoG,cAAL,GAAsB,CAAC,CAAvB;AACA;AACD;;AACD,QAAI15B,KAAK,GAAGwM,MAAM,CAACxM,KAAnB;AACA;;;AAEA,QAAI5W,KAAK,IAAI4W,KAAT,KAAoB,CAAC5W,KAAK,CAAC49B,MAAP,IAAkB59B,KAAK,CAAC89B,YAAN,KAAuB,CAA1C,IAAiD,CAAC99B,KAAK,CAACmkC,UAA3E,KAA0F7/B,IAAI,CAACugC,SAA/F,IAA4GvgC,IAAI,CAAC4e,KAArH,EAA4H;AAC1H,UAAMkuB,YAAY,GAAGl7B,0BAAW,CAACD,GAAZ,KAAoBW,KAAK,CAACm1B,QAA/C;AACA,UAAMjO,YAAY,GAAG3iC,IAAI,CAAC4N,GAAL,CAAS/I,KAAK,CAAC89B,YAAf,CAArB,CAF0H,CAI1H;;AACA,UAAIsT,YAAY,GAAI,MAAM9sC,IAAI,CAACpM,QAAX,GAAsB4lC,YAA1C,EAAyD;AACvD,YAAM/V,MAAM,GAAGxH,GAAG,CAACwH,MAAnB;AACA,YAAMspB,QAAQ,GAAGl2C,IAAI,CAAC+U,GAAL,CAAS,CAAT,EAAY0G,KAAK,CAAC06B,EAAN,GAAW16B,KAAK,CAAC06B,EAAN,GAAW,CAAtB,GAA0B16B,KAAK,CAACka,MAAN,GAAe,IAAf,GAAsBsgB,YAA5D,CAAjB,CAFuD,CAEqC;AAE5F;;AACA,YAAMluB,KAAK,GAAG6E,MAAM,CAACzjB,IAAI,CAAC4e,KAAN,CAApB;AACA,YAAMggB,YAAY,GAAGhgB,KAAK,CAACquB,WAAN,GAAoBp2C,IAAI,CAAC+U,GAAL,CAASgT,KAAK,CAACquB,WAAf,EAA4BruB,KAAK,CAACoF,OAAlC,CAApB,GAAiEpF,KAAK,CAACoF,OAA5F;AACA,YAAMkpB,WAAW,GAAG56B,KAAK,CAACgyB,KAAN,GAAchyB,KAAK,CAACgyB,KAApB,GAA4BztC,IAAI,CAAC+U,GAAL,CAAS0G,KAAK,CAACka,MAAf,EAAuB31B,IAAI,CAAC6J,KAAL,CAAWV,IAAI,CAACpM,QAAL,GAAgBgrC,YAAhB,GAA+B,CAA1C,CAAvB,CAAhD;AACA,YAAMt7B,GAAG,GAAG5H,KAAK,CAACk2B,WAAlB;AACA,YAAMub,eAAe,GAAG,CAACD,WAAW,GAAG56B,KAAK,CAACka,MAArB,IAA+BugB,QAAvD;AACA,YAAMK,qBAAqB,GAAG,CAACzc,YAAY,CAACE,UAAb,CAAwBn1B,KAAxB,EAA+B4H,GAA/B,EAAoC2Y,GAAG,CAACttB,MAAJ,CAAWygB,aAA/C,EAA8D2B,GAA9D,GAAoEzN,GAArE,IAA4Ek2B,YAA1G,CAVuD,CAYvD;AACA;AACA;;AACA,YAAK4T,qBAAqB,GAAI,IAAIptC,IAAI,CAACpM,QAAT,GAAoB4lC,YAA9C,IAAiE2T,eAAe,GAAGC,qBAAvF,EAA+G;AAC7G,cAAIC,wBAAJ;AACA,cAAIlP,aAAJ,CAF6G,CAG7G;AACA;;AACA,eAAKA,aAAa,GAAGn+B,IAAI,CAAC4e,KAAL,GAAa,CAAlC,EAAqCuf,aAAa,GAAGyO,YAArD,EAAmEzO,aAAa,EAAhF,EAAoF;AAClF;AACA;AACA;AACA,gBAAMmP,gBAAgB,GAAG7pB,MAAM,CAAC0a,aAAD,CAAN,CAAsB8O,WAAtB,GACrBp2C,IAAI,CAAC+U,GAAL,CAAS6X,MAAM,CAAC0a,aAAD,CAAN,CAAsB8O,WAA/B,EAA4CxpB,MAAM,CAAC0a,aAAD,CAAN,CAAsBna,OAAlE,CADqB,GAErBP,MAAM,CAAC0a,aAAD,CAAN,CAAsBna,OAF1B;;AAIA,gBAAMqpB,yBAAwB,GAAGrtC,IAAI,CAACpM,QAAL,GAAgB05C,gBAAhB,IAAoC,IAAI,GAAJ,GAAUP,QAA9C,CAAjC;;AAEA,gBAAIM,yBAAwB,GAAGD,qBAA/B,EAAsD;AACpD;AACA;AACD;AACF,WAnB4G,CAoB7G;AACA;;;AACA,cAAIC,wBAAwB,GAAGF,eAA/B,EAAgD;AAC9C99C,4BAAM,CAACgN,IAAP,mEAA4E8hC,aAA5E,yBAA6GA,aAA7G,2BAA+In+B,IAAI,CAAC4e,KAAL,GAAa,CAA5J,iCAAwLyuB,wBAAwB,CAACxX,OAAzB,CAAiC,CAAjC,CAAxL,SAA+NsX,eAAe,CAACtX,OAAhB,CAAwB,CAAxB,CAA/N,SAA6PuX,qBAAqB,CAACvX,OAAtB,CAA8B,CAA9B,CAA7P,EAD8C,CAE9C;;AACA5Z,eAAG,CAACkiB,aAAJ,GAAoBA,aAApB,CAH8C,CAI9C;;AACA,iBAAK8N,YAAL,CAAkB34C,MAAlB,CAAyBw5C,YAAzB,EAAuCx6B,KAAK,CAACka,MAA7C,EAL8C,CAM9C;;;AACA1N,kBAAM,CAAC4J,KAAP,GAP8C,CAQ9C;;AACA,iBAAKkd,UAAL;AACA3pB,eAAG,CAAChsB,OAAJ,CAAYC,iBAAK,CAACkrB,2BAAlB,EAA+C;AAAEpb,kBAAI,EAAEA,IAAR;AAAcsS,mBAAK,EAAEA;AAArB,aAA/C;AACD;AACF;AACF;AACF;AACF,G;;SAEDsd,Y,GAAA,sBAAc3mC,IAAd,EAAoB;AAClB,QAAM+W,IAAI,GAAG/W,IAAI,CAAC+W,IAAlB;;AACA,QAAIA,IAAI,CAAC5P,IAAL,KAAc,MAAd,IAAwB,0CAAgB4P,IAAI,CAAC8I,EAArB,CAA5B,EAAsD;AACpD;AACA,WAAK88B,UAAL,GAFoD,CAGpD;;AACA,WAAKmG,mBAAL,GAA2B/rC,IAAI,CAAC4e,KAAhC,CAJoD,CAKpD;;AACA,WAAKotB,cAAL,GAAsB,CAAC,CAAvB,CANoD,CAQpD;;AACA,UAAI,KAAK/vB,GAAL,CAASttB,MAAT,CAAgB4+C,qBAApB,EAA2C;AACzC,YAAM3uB,KAAK,GAAG,KAAK3C,GAAL,CAASwH,MAAT,CAAgBzjB,IAAI,CAAC4e,KAArB,CAAd;AACA,YAAI4uB,WAAW,GAAG,CAAC5uB,KAAK,CAAC4N,MAAN,GAAe5N,KAAK,CAAC4N,MAAN,CAAahqB,KAA5B,GAAoC,CAArC,IAA0CvZ,IAAI,CAACqpB,KAAL,CAAWka,MAAvE;AACA,YAAIihB,cAAc,GAAG,CAAC7uB,KAAK,CAAC4N,MAAN,GAAe5N,KAAK,CAAC4N,MAAN,CAAa54B,QAA5B,GAAuC,CAAxC,IAA6C3K,IAAI,CAAC+W,IAAL,CAAUpM,QAA5E;AACAgrB,aAAK,CAAC4N,MAAN,GAAe;AAAEhqB,eAAK,EAAEgrC,WAAT;AAAsB55C,kBAAQ,EAAE65C;AAAhC,SAAf;AACA7uB,aAAK,CAACquB,WAAN,GAAoBp2C,IAAI,CAAC6J,KAAL,CAAW,IAAI8sC,WAAJ,GAAkBC,cAA7B,CAApB;AACD,OAfmD,CAgBpD;;;AACA,UAAIxkD,IAAI,CAAC+W,IAAL,CAAU6vB,WAAd,EAA2B;AACzB,YAAIvd,KAAK,GAAGrpB,IAAI,CAACqpB,KAAjB;AACAA,aAAK,CAAC0Y,OAAN,GAAgB1Y,KAAK,CAAC0wB,SAAN,GAAkB1wB,KAAK,CAAC6X,KAAxC;AACA,aAAK4F,cAAL,CAAoB9mC,IAApB;AACD;AACF;AACF,G;;SAED8mC,c,GAAA,wBAAgB9mC,IAAhB,EAAsB;AACpB,QAAMqpB,KAAK,GAAGrpB,IAAI,CAACqpB,KAAnB;AACA,QAAMtS,IAAI,GAAG/W,IAAI,CAAC+W,IAAlB,CAFoB,CAGpB;AACA;AACA;AACA;;AACA,QAAIsS,KAAK,CAACu6B,OAAN,KAAkB,IAAlB,IAA0B7sC,IAAI,CAAC5P,IAAL,KAAc,MAAxC,IAAkD,0CAAgB4P,IAAI,CAAC8I,EAArB,CAAlD,KAAgF,CAAC9I,IAAI,CAAC6vB,WAAN,IAAqBvd,KAAK,CAAC6X,KAAN,KAAgB7X,KAAK,CAAC0wB,SAA3H,CAAJ,EAA4I;AAC1I;AACA;AACA;AACA,UAAI0K,uBAAuB,GAAGp7B,KAAK,CAAC0Y,OAAN,GAAgB1Y,KAAK,CAACm1B,QAApD;AACAp4C,sBAAM,CAACC,GAAP,0CAAkDuH,IAAI,CAAC6J,KAAL,CAAW4R,KAAK,CAACiyB,MAAN,GAAejyB,KAAK,CAACm1B,QAAhC,CAAlD,SAA+F5wC,IAAI,CAAC6J,KAAL,CAAW4R,KAAK,CAAC6X,KAAN,GAAc7X,KAAK,CAACiyB,MAA/B,CAA/F,SAAyI1tC,IAAI,CAAC6J,KAAL,CAAW4R,KAAK,CAAC0Y,OAAN,GAAgB1Y,KAAK,CAAC6X,KAAjC,CAAzI,SAAoLtzB,IAAI,CAAC6J,KAAL,CAAW4R,KAAK,CAAC0wB,SAAN,GAAkB1wB,KAAK,CAAC0Y,OAAnC,CAApL,SAAmOn0B,IAAI,CAAC6J,KAAL,CAAW,IAAI4R,KAAK,CAACka,MAAV,IAAoBla,KAAK,CAAC0wB,SAAN,GAAkB1wB,KAAK,CAACm1B,QAA5C,CAAX,CAAnO;;AACA,WAAKwE,YAAL,CAAkB34C,MAAlB,CAAyBo6C,uBAAzB,EAAkDp7B,KAAK,CAACka,MAAxD;;AACAla,WAAK,CAACq7B,UAAN,GAAmB,KAAK1B,YAAL,CAAkBpB,WAAlB,EAAnB,CAP0I,CAQ1I;;AACA,UAAI7qC,IAAI,CAAC6vB,WAAT,EAAsB;AACpB,aAAK+d,gBAAL,GAAwBF,uBAAuB,GAAG,IAAlD;AACD,OAFD,MAEO;AACL,aAAKE,gBAAL,GAAwB,CAAxB;AACD;AACF;AACF,G;;SAEDjkB,O,GAAA,iBAAS1gC,IAAT,EAAe;AACb;AACA,YAAQA,IAAI,CAACsH,OAAb;AACA,WAAKC,sBAAY,CAACu8B,eAAlB;AACA,WAAKv8B,sBAAY,CAACw8B,iBAAlB;AACE,aAAK4Y,UAAL;AACA;;AACF;AACE;AANF;AAQD,G;;SAEDA,U,GAAA,sBAAc;AACZzK,iBAAa,CAAC,KAAKwK,KAAN,CAAb;AACA,SAAKA,KAAL,GAAa,IAAb;AACD,G,CAED;;;SAkEAkI,c,GAAA,wBAAgB9K,YAAhB,EAA8B+K,mBAA9B,EAAmDC,SAAnD,EAA8DnB,YAA9D,EAA4EoB,YAA5E,EAA0FC,gBAA1F,EAA4GC,QAA5G,EAAsHC,UAAtH,EAAkI1qB,MAAlI,EAA0I;AACxI,SAAK,IAAI94B,CAAC,GAAGqjD,YAAb,EAA2BrjD,CAAC,IAAIiiD,YAAhC,EAA8CjiD,CAAC,EAA/C,EAAmD;AACjD,UAAIg0C,SAAS,GAAGlb,MAAM,CAAC94B,CAAD,CAAtB;;AAEA,UAAI,CAACg0C,SAAL,EAAgB;AACd;AACD;;AAED,UAAM7T,YAAY,GAAG6T,SAAS,CAACpuC,OAA/B;AACA,UAAM69C,WAAW,GAAGtjB,YAAY,GAAGA,YAAY,CAACvK,aAAb,GAA6BuK,YAAY,CAAC9K,SAAb,CAAuBh0B,MAAvD,GAAgE8hD,mBAAhG;AACA,UAAM7tB,IAAI,GAAG6K,YAAY,GAAGA,YAAY,CAAC7K,IAAhB,GAAuB,KAAhD;AAEA,UAAIouB,UAAU,SAAd,CAXiD,CAYjD;AACA;AACA;AACA;AACA;AACA;;AACA,UAAI1jD,CAAC,IAAIo4C,YAAT,EAAuB;AACrBsL,kBAAU,GAAGH,QAAQ,GAAGH,SAAxB;AACD,OAFD,MAEO;AACLM,kBAAU,GAAGF,UAAU,GAAGJ,SAA1B;AACD;;AAED,UAAM/pB,OAAO,GAAGP,MAAM,CAAC94B,CAAD,CAAN,CAAUsiD,WAAV,GAAwBp2C,IAAI,CAAC+U,GAAL,CAAS6X,MAAM,CAAC94B,CAAD,CAAN,CAAUsiD,WAAnB,EAAgCxpB,MAAM,CAAC94B,CAAD,CAAN,CAAUq5B,OAA1C,CAAxB,GAA6EP,MAAM,CAAC94B,CAAD,CAAN,CAAUq5B,OAAvG;AACA,UAAMsqB,aAAa,GAAGtqB,OAAO,GAAGoqB,WAAV,GAAwBC,UAA9C;AAEAh/C,sBAAM,CAAC6hB,KAAP,2EAAqFvmB,CAArF,SAA0FkM,IAAI,CAAC6J,KAAL,CAAW2tC,UAAX,CAA1F,SAAoHrqB,OAApH,SAA+HoqB,WAA/H,SAA8IH,gBAA9I,SAAkKK,aAAlK,EA3BiD,CA4BjD;;AACA,UAAID,UAAU,GAAGrqB,OAAb,MACJ;AACA;AACA;AACG,OAACsqB,aAAD,IAAmBruB,IAAI,IAAI,CAAC,KAAK2tB,gBAAjC,IAAsDU,aAAa,GAAGL,gBAJrE,CAAJ,EAI4F;AAC1F;AACA,eAAOtjD,CAAP;AACD;AACF,KAtCuI,CAuCxI;;;AACA,WAAO,CAAC,CAAR;AACD,G;;;;wBA1GoB;AACnB,UAAM4jD,eAAe,GAAG,KAAKvC,cAA7B;AACA,UAAMwC,WAAW,GAAG,KAAKvC,YAAzB,CAFmB,CAGnB;;AACA,UAAIsC,eAAe,KAAK,CAAC,CAArB,KAA2B,CAACC,WAAD,IAAgB,CAACA,WAAW,CAAC3C,WAAZ,EAA5C,CAAJ,EAA4E;AAC1E,eAAO0C,eAAP;AACD,OANkB,CAQnB;;;AACA,UAAIE,gBAAgB,GAAG,KAAKC,iBAA5B,CATmB,CAUnB;;AACA,UAAIH,eAAe,KAAK,CAAC,CAAzB,EAA4B;AAC1BE,wBAAgB,GAAG53C,IAAI,CAACC,GAAL,CAASy3C,eAAT,EAA0BE,gBAA1B,CAAnB;AACD;;AAED,aAAOA,gBAAP;AACD,K;sBA4FkB/M,S,EAAW;AAC5B,WAAKsK,cAAL,GAAsBtK,SAAtB;AACD;;;wBA7FwB;AACvB,UAAIzlB,GAAG,GAAG,KAAKA,GAAf;AADuB,UAEf+xB,YAFe,GAEgC/xB,GAFhC,CAEf+xB,YAFe;AAAA,UAEDvqB,MAFC,GAEgCxH,GAFhC,CAEDwH,MAFC;AAAA,UAEO90B,MAFP,GAEgCstB,GAFhC,CAEOttB,MAFP;AAAA,UAEei+C,YAFf,GAEgC3wB,GAFhC,CAEe2wB,YAFf;AAGvB,UAAMlxC,KAAK,GAAGugB,GAAG,CAACsI,KAAlB;AACA,UAAMwe,YAAY,GAAG,KAAKgJ,mBAA1B;AACA,UAAM+B,mBAAmB,GAAG,KAAKpR,WAAL,GAAmB,KAAKA,WAAL,CAAiB9oC,QAApC,GAA+C,CAA3E;AACA,UAAM0P,GAAG,GAAI5H,KAAK,GAAGA,KAAK,CAACk2B,WAAT,GAAuB,CAAzC,CANuB,CAQvB;AACA;;AACA,UAAM4H,YAAY,GAAK99B,KAAK,IAAKA,KAAK,CAAC89B,YAAN,KAAuB,CAAlC,GAAwC3iC,IAAI,CAAC4N,GAAL,CAAS/I,KAAK,CAAC89B,YAAf,CAAxC,GAAuE,GAA7F;AACA,UAAMmV,KAAK,GAAG,KAAK1C,YAAL,GAAoB,KAAKA,YAAL,CAAkBpB,WAAlB,EAApB,GAAsDl8C,MAAM,CAACg+C,sBAA3E,CAXuB,CAYvB;;AACA,UAAMS,qBAAqB,GAAG,CAACzc,YAAY,CAACE,UAAb,CAAwBn1B,KAAxB,EAA+B4H,GAA/B,EAAoC3U,MAAM,CAACygB,aAA3C,EAA0D2B,GAA1D,GAAgEzN,GAAjE,IAAwEk2B,YAAtG,CAbuB,CAevB;;AACA,UAAIoV,SAAS,GAAG,KAAKf,cAAL,CAAoB9K,YAApB,EAAkC+K,mBAAlC,EAAuDa,KAAvD,EAA8D/B,YAA9D,EAA4EoB,YAA5E,EAA0FZ,qBAA1F,EAAiHz+C,MAAM,CAACkgD,kBAAxH,EAA4IlgD,MAAM,CAACmgD,oBAAnJ,EAAyKrrB,MAAzK,CAAhB;;AACA,UAAImrB,SAAS,IAAI,CAAjB,EAAoB;AAClB,eAAOA,SAAP;AACD,OAFD,MAEO;AACLv/C,wBAAM,CAAC6hB,KAAP,CAAa,6FAAb,EADK,CAEL;AACA;;AACA,YAAI69B,kBAAkB,GAAGjB,mBAAmB,GAAGj3C,IAAI,CAACC,GAAL,CAASg3C,mBAAT,EAA8Bn/C,MAAM,CAACogD,kBAArC,CAAH,GAA8DpgD,MAAM,CAACogD,kBAAjH;AACA,YAAIb,QAAQ,GAAGv/C,MAAM,CAACkgD,kBAAtB;AACA,YAAIV,UAAU,GAAGx/C,MAAM,CAACmgD,oBAAxB;;AAEA,YAAI1B,qBAAqB,KAAK,CAA9B,EAAiC;AAC/B;AACA,cAAIQ,gBAAgB,GAAG,KAAKA,gBAA5B;;AACA,cAAIA,gBAAJ,EAAsB;AACpB;AACA;AACA;AACA;AACA;AACA,gBAAMoB,eAAe,GAAGlB,mBAAmB,GAAGj3C,IAAI,CAACC,GAAL,CAASg3C,mBAAT,EAA8Bn/C,MAAM,CAACqgD,eAArC,CAAH,GAA2DrgD,MAAM,CAACqgD,eAA7G;AACAD,8BAAkB,GAAGC,eAAe,GAAGpB,gBAAvC;AACAv+C,4BAAM,CAAC6hB,KAAP,wBAAkCra,IAAI,CAAC6J,KAAL,CAAW,OAAOktC,gBAAlB,CAAlC,oDAAoH/2C,IAAI,CAAC6J,KAAL,CAAW,OAAOquC,kBAAlB,CAApH,UARoB,CASpB;;AACAb,oBAAQ,GAAGC,UAAU,GAAG,CAAxB;AACD;AACF;;AACDS,iBAAS,GAAG,KAAKf,cAAL,CAAoB9K,YAApB,EAAkC+K,mBAAlC,EAAuDa,KAAvD,EAA8D/B,YAA9D,EAA4EoB,YAA5E,EAA0FZ,qBAAqB,GAAG2B,kBAAlH,EAAsIb,QAAtI,EAAgJC,UAAhJ,EAA4J1qB,MAA5J,CAAZ;AACA,eAAO5sB,IAAI,CAAC+U,GAAL,CAASgjC,SAAT,EAAoB,CAApB,CAAP;AACD;AACF;;;;EA5QyB5yB,a;;AA8Tb8vB,+EAAf,E;;;;;;AC7UA;;;AAIA;AACA;AACA;AACA;AACA;AAoBA,IAAM1pB,6BAAW,GAAGyP,cAAc,EAAlC;;IAEMod,kC;;;;;AACJ;AACA;AAEA;AAEA;AAEA;AAEA;AAGA;AAGA;AAKA;AAGA;AAGA;AAGA;AAGA;AAGA;AAKA;AAGA;AAUA,4BAAahzB,GAAb,EAAuB;AAAA;;AACrB,qCAAMA,GAAN,EACEizB,iBAAM,CAACh2B,eADT,EAEEg2B,iBAAM,CAAC91B,eAFT,EAGE81B,iBAAM,CAACl1B,eAHT,EAIEk1B,iBAAM,CAAC51B,YAJT,EAKE41B,iBAAM,CAACz1B,gBALT,EAMEy1B,iBAAM,CAAC31B,aANT,EAOE21B,iBAAM,CAACv1B,UAPT,EAQEu1B,iBAAM,CAACt1B,eART,EASEs1B,iBAAM,CAAC50B,iBATT,EAUE40B,iBAAM,CAAC70B,aAVT;AADqB,UAnDf80B,WAmDe,GAnDc,IAmDd;AAAA,UAjDfC,cAiDe,GAjDiB,IAiDjB;AAAA,UA/CfC,oBA+Ce,GA/CgB,EA+ChB;AAAA,UA7CfC,KA6Ce,GA7CS,IA6CT;AAAA,UA3CfC,UA2Ce,GA3Ca,IA2Cb;AAAA,UAxCfC,WAwCe,GAxCQ,KAwCR;AAAA,UArCfC,SAqCe,GArCM,KAqCN;AAAA,UAnCf9gD,MAmCe;AAAA,UAhChB+gD,oBAgCgB;AAAA,UA7BhBC,yBA6BgB,GA7BoB,CA6BpB;AAAA,UA1BfC,uBA0Be,GA1BmB,CA0BnB;AAAA,UAvBhBrrB,KAuBgB,GAvBiB,IAuBjB;AAAA,UApBhBslB,WAoBgB,GApBkB,IAoBlB;AAAA,UAjBhBgG,QAiBgB,GAjBM,EAiBN;AAAA,UAfhBnM,MAegB;AAAA,UAZhBoM,SAYgB,GAZK,KAYL;AAAA,UAThB5M,QASgB,GATG,CASH;AAAA,UARhB6M,WAQgB,GARM,CAQN;AAAA,UAPhBC,kBAOgB,GAPa,CAOb;AAAA,UALhBhnC,MAKgB,GALG,EAKH;AAAA,UAJhBinC,aAIgB,GAJU,EAIV;AAAA,UAHhBnG,YAGgB,GAHc,EAGd;AAAA,UAFhBoG,UAEgB,GAFuB,EAEvB;;AAAA,UAwJfC,kBAxJe,GAwJM,YAAM;AACjC9gD,sBAAM,CAACC,GAAP,CAAW,qBAAX;;AACA,YAAK2sB,GAAL,CAAShsB,OAAT,CAAiBi/C,iBAAM,CAAC/1B,cAAxB,EAAwC;AAAEoL,aAAK,EAAE,MAAKA;AAAd,OAAxC;;AACA,UAAIslB,WAAW,GAAG,MAAKA,WAAvB;;AACA,UAAIA,WAAJ,EAAiB;AACf;AACAA,mBAAW,CAAC7W,mBAAZ,CAAgC,YAAhC,EAA8C,MAAKmd,kBAAnD;AACD;;AACD,YAAKC,kBAAL;AACD,KAjKsB;;AAAA,UAmKfC,mBAnKe,GAmKO,YAAM;AAClChhD,sBAAM,CAACC,GAAP,CAAW,qBAAX;AACD,KArKsB;;AAAA,UAuKfghD,mBAvKe,GAuKO,YAAM;AAClCjhD,sBAAM,CAACC,GAAP,CAAW,oBAAX;AACD,KAzKsB;;AAAA,UA2KfihD,cA3Ke,GA2KE,YAAM;AAC7B;AACA,UAAI,MAAKb,oBAAL,IAA6B,MAAK5F,YAAL,CAAkBnuC,KAAnD,EAA0D;AACxD,YAAI60C,WAAW,GAAG,MAAK1G,YAAL,CAAkBnuC,KAApC;AAEAtM,wBAAM,CAACgN,IAAP,8CAAuDm0C,WAAW,CAACC,eAAnE,YAAyF,MAAKf,oBAA9F;AACAc,mBAAW,CAACC,eAAZ,GAA8B,MAAKf,oBAAnC;AACA,eAAO,MAAKA,oBAAZ;AACD;;AAED,UAAI,MAAKF,WAAT,EAAsB;AACpB,cAAKkB,OAAL;AACD;;AAED,UAAI,MAAKjB,SAAT,EAAoB;AAClB,cAAKkB,QAAL;AACD;;AAED,YAAKb,SAAL,GAAiB,KAAjB;AACA,UAAIpM,MAAM,GAAG,MAAKA,MAAlB,CAnB6B,CAoB7B;;AACA,UAAIW,OAAO,GAAG,MAAKwL,QAAL,CAAc3hC,MAAd,CAAqB,UAAC0iC,OAAD,EAAUC,OAAV;AAAA,eAAuBA,OAAO,CAACnN,MAAR,KAAmBA,MAApB,GAA8BkN,OAAO,GAAG,CAAxC,GAA4CA,OAAlE;AAAA,OAArB,EAAgG,CAAhG,CAAd,CArB6B,CAuB7B;;;AACA,UAAM5iB,UAAyD,GAAG,EAAlE;AACA,UAAM8iB,KAAK,GAAG,MAAKhH,YAAnB;;AACA,WAAK,IAAIp4B,UAAT,IAAuBo/B,KAAvB,EAA8B;AAC5B,YAAMC,EAAE,GAAGD,KAAK,CAACp/B,UAAD,CAAhB;;AACA,YAAI,CAACq/B,EAAL,EAAS;AACP,gBAAM7kD,KAAK,iEAA+DwlB,UAA/D,6DAAX;AACD;;AACDsc,kBAAU,CAACtc,UAAD,CAAV,GAA6Cq/B,EAAE,CAAC1iB,QAAhD;AACD;;AAED,YAAKpS,GAAL,CAAShsB,OAAT,CAAiBi/C,iBAAM,CAACx1B,eAAxB,EAAyC;AAAEgqB,cAAM,EAANA,MAAF;AAAUW,eAAO,EAAPA,OAAV;AAAmBrW,kBAAU,EAAVA;AAAnB,OAAzC,EAlC6B,CAmC7B;;;AACA,UAAI,CAAC,MAAKwhB,WAAV,EAAuB;AACrB,cAAKwB,WAAL;AACD;;AAED,YAAKC,0BAAL,GAxC6B,CA0C7B;;;AACA,UAAI5M,OAAO,KAAK,CAAhB,EAAmB;AACjB,cAAK6M,mBAAL;AACD;AACF,KAzNsB;;AAAA,UA2NfC,gBA3Ne,GA2NI,UAACl+B,KAAD,EAAkB;AAC3C5jB,sBAAM,CAACU,KAAP,CAAa,qBAAb,EAAoCkjB,KAApC,EAD2C,CAE3C;AACA;AACA;;AACA,YAAKgJ,GAAL,CAAShsB,OAAT,CAAiBi/C,iBAAM,CAAC/+C,KAAxB,EAA+B;AAAEC,YAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,eAAO,EAAEC,sBAAY,CAAC4gD,sBAAtD;AAA8E1gD,aAAK,EAAE;AAArF,OAA/B,EAL2C,CAM3C;;AACD,KAlOsB;;AAarB,UAAK/B,MAAL,GAAcstB,GAAG,CAACttB,MAAlB;AAbqB;AActB;;;;SAEDN,O,GAAA,mBAAW;AACT2tB,iBAAY,CAACxT,SAAb,CAAuBna,OAAvB,CAA+Boa,IAA/B,CAAoC,IAApC;AACD,G;;SAED4oC,iB,GAAA,2BAAmBpoD,IAAnB,EAAoE;AAClE,QAAImH,IAAI,GAAGnH,IAAI,CAACmH,IAAhB;AACA,QAAIqN,UAAU,GAAG,KAAKuL,MAAL,CAAYrN,KAA7B,CAFkE,CAIlE;AACA;AACA;AACA;AACA;AACA;;AAEA,QAAIvL,IAAI,KAAK,OAAT,IAAoBqN,UAApB,IAAkCA,UAAU,CAAC3J,SAAX,KAAyB,YAA/D,EAA6E;AAAE;AAC7E,UAAI08C,WAAW,GAAG,KAAK1G,YAAL,CAAkBnuC,KAApC;;AACA,UAAI,CAAC60C,WAAL,EAAkB;AAChB,cAAMtkD,KAAK,CAAC,4DAAD,CAAX;AACD;;AAED,UAAIkiB,KAAK,GAAGvX,IAAI,CAAC4N,GAAL,CAAS+rC,WAAW,CAACC,eAAZ,GAA8BxnD,IAAI,CAACkU,KAA5C,CAAZ,CAN2E,CAQ3E;;AACA,UAAIiR,KAAK,GAAG,GAAZ,EAAiB;AACf,YAAIkjC,QAAQ,GAAGd,WAAW,CAACc,QAA3B;;AAEA,YAAI;AACFd,qBAAW,CAAC9nB,KAAZ;AACD,SAFD,CAEE,OAAO94B,GAAP,EAAY;AACZP,0BAAM,CAACgN,IAAP,CAAY,iCAAiCzM,GAA7C;AACD;;AAED,YAAI,CAAC0hD,QAAL,EAAe;AACbjiD,0BAAM,CAACgN,IAAP,CAAY,6CAA6Cm0C,WAAW,CAACC,eAAzD,GAA2E,MAA3E,GAAoFxnD,IAAI,CAACkU,KAArG;AACAqzC,qBAAW,CAACC,eAAZ,GAA8BxnD,IAAI,CAACkU,KAAnC;AACD,SAHD,MAGO;AACL,eAAKuyC,oBAAL,GAA4BzmD,IAAI,CAACkU,KAAjC;AACD;AACF;AACF;AACF,G;;SAEDklC,gB,GAAA,0BAAkBp5C,IAAlB,EAA+C;AAC7C;AACA;AACA;AACA;AACA,SAAK0mD,yBAAL,GAAiC,KAAKC,uBAAL,GAA+B3mD,IAAI,CAAC80C,QAAL,GAAgB,CAAhB,GAAoB,CAApF;AACA1uC,oBAAM,CAACC,GAAP,CAAc,KAAKqgD,yBAAnB;AACD,G;;SAED4B,gB,GAAA,0BAAkBtoD,IAAlB,EAAqD;AACnD,QAAIs7B,KAAK,GAAG,KAAKA,KAAL,GAAat7B,IAAI,CAACs7B,KAA9B;;AACA,QAAIA,KAAK,IAAInC,6BAAb,EAA0B;AACxB;AACA,UAAIovB,EAAE,GAAG,KAAK3H,WAAL,GAAmB,IAAIznB,6BAAJ,EAA5B,CAFwB,CAGxB;;AACAovB,QAAE,CAACh+B,gBAAH,CAAoB,YAApB,EAAkC,KAAK28B,kBAAvC;AACAqB,QAAE,CAACh+B,gBAAH,CAAoB,aAApB,EAAmC,KAAK88B,mBAAxC;AACAkB,QAAE,CAACh+B,gBAAH,CAAoB,aAApB,EAAmC,KAAK68B,mBAAxC,EANwB,CAOxB;;AACA9rB,WAAK,CAACktB,GAAN,GAAY7qB,MAAM,CAACiM,GAAP,CAAW6e,eAAX,CAA2BF,EAA3B,CAAZ,CARwB,CASxB;;AACA,WAAKjC,UAAL,GAAkBhrB,KAAK,CAACktB,GAAxB;AACD;AACF,G;;SAEDrP,gB,GAAA,4BAAoB;AAClB/yC,oBAAM,CAACC,GAAP,CAAW,wBAAX;AACA,QAAIkiD,EAAE,GAAG,KAAK3H,WAAd;;AACA,QAAI2H,EAAJ,EAAQ;AACN,UAAIA,EAAE,CAAC3R,UAAH,KAAkB,MAAtB,EAA8B;AAC5B,YAAI;AACF;AACA;AACA;AACA;AACA2R,YAAE,CAACG,WAAH;AACD,SAND,CAME,OAAO/hD,GAAP,EAAY;AACZP,0BAAM,CAACgN,IAAP,uBAAgCzM,GAAG,CAACI,OAApC;AACD;AACF;;AACDwhD,QAAE,CAACxe,mBAAH,CAAuB,YAAvB,EAAqC,KAAKmd,kBAA1C;AACAqB,QAAE,CAACxe,mBAAH,CAAuB,aAAvB,EAAsC,KAAKsd,mBAA3C;AACAkB,QAAE,CAACxe,mBAAH,CAAuB,aAAvB,EAAsC,KAAKqd,mBAA3C,EAdM,CAgBN;AACA;;AACA,UAAI,KAAK9rB,KAAT,EAAgB;AACd,YAAI,KAAKgrB,UAAT,EAAqB;AACnB3oB,gBAAM,CAACiM,GAAP,CAAWC,eAAX,CAA2B,KAAKyc,UAAhC;AACD,SAHa,CAKd;AACA;;;AACA,YAAI,KAAKhrB,KAAL,CAAWktB,GAAX,KAAmB,KAAKlC,UAA5B,EAAwC;AACtC,eAAKhrB,KAAL,CAAWqtB,eAAX,CAA2B,KAA3B;AACA,eAAKrtB,KAAL,CAAW2D,IAAX;AACD,SAHD,MAGO;AACL74B,0BAAM,CAACgN,IAAP,CAAY,uDAAZ;AACD;AACF;;AAED,WAAKwtC,WAAL,GAAmB,IAAnB;AACA,WAAKtlB,KAAL,GAAa,IAAb;AACA,WAAKgrB,UAAL,GAAkB,IAAlB;AACA,WAAKI,yBAAL,GAAiC,KAAKC,uBAAtC;AACA,WAAKK,aAAL,GAAqB,EAArB;AACA,WAAKjnC,MAAL,GAAc,EAAd;AACA,WAAK8gC,YAAL,GAAoB,EAApB;AACA,WAAKoG,UAAL,GAAkB,EAAlB;AACA,WAAKL,QAAL,GAAgB,EAAhB;AACA,WAAK3M,QAAL,GAAgB,CAAhB;AACD;;AAED,SAAKjnB,GAAL,CAAShsB,OAAT,CAAiBi/C,iBAAM,CAAC71B,cAAxB;AACD,G;;SAED+2B,kB,GAAA,8BAAsB;AAAA,QACdT,yBADc,GAC+B,IAD/B,CACdA,yBADc;AAAA,QACaM,aADb,GAC+B,IAD/B,CACaA,aADb,EAGpB;AACA;AACA;AACA;;AACA,QAAM4B,kBAAkB,GAAG9kC,MAAM,CAACC,IAAP,CAAYijC,aAAZ,EAA2BjkD,MAAtD;;AACA,QAAK6lD,kBAAkB,IAAI,CAAClC,yBAAxB,IAAsDkC,kBAAkB,KAAK,CAAjF,EAAoF;AAClF;AACA,WAAKC,mBAAL,CAAyB7B,aAAzB;AACA,WAAKA,aAAL,GAAqB,EAArB,CAHkF,CAIlF;;AACA,WAAKe,WAAL;AACD;AACF,G;;SA8EDe,a,GAAA,yBAAiB;AACf,QAAMjI,YAAY,GAAG,KAAKA,YAA1B;;AACA,SAAK,IAAI15C,IAAT,IAAiB05C,YAAjB,EAA+B;AAC7B,UAAMiH,EAAE,GAAGjH,YAAY,CAAC15C,IAAD,CAAvB;;AACA,UAAI;AACF,YAAI2gD,EAAJ,EAAQ;AACN,cAAI,KAAKlH,WAAT,EAAsB;AACpB,iBAAKA,WAAL,CAAiBmI,kBAAjB,CAAoCjB,EAApC;AACD;;AACDA,YAAE,CAAC/d,mBAAH,CAAuB,WAAvB,EAAoC,KAAKud,cAAzC;AACAQ,YAAE,CAAC/d,mBAAH,CAAuB,OAAvB,EAAgC,KAAKme,gBAArC;AACD;AACF,OARD,CAQE,OAAOvhD,GAAP,EAAY,CACb;AACF;;AACD,SAAKk6C,YAAL,GAAoB,EAApB;AACA,SAAKoG,UAAL,GAAkB,EAAlB;AACA,SAAKL,QAAL,GAAgB,EAAhB;AACA,SAAK3M,QAAL,GAAgB,CAAhB;AACD,G;;SAED+O,c,GAAA,wBAAgBjpC,MAAhB,EAAkC;AAAA;;AAChC;AACA;AACA,QAAI+D,MAAM,CAACC,IAAP,CAAY,KAAK88B,YAAjB,EAA+B99C,MAAnC,EAA2C;AACzC;AACD;;AAED+gB,UAAM,CAACC,IAAP,CAAYhE,MAAZ,EAAoBvH,OAApB,CAA4B,UAAA8hC,SAAS,EAAI;AACvC,YAAI,CAAC0M,aAAL,CAAmB1M,SAAnB,IAAgCv6B,MAAM,CAACu6B,SAAD,CAAtC;AACD,KAFD;AAIA,SAAKoM,yBAAL,GAAiC94C,IAAI,CAAC+U,GAAL,CAAS,KAAK+jC,yBAAL,GAAiC,CAA1C,EAA6C,CAA7C,CAAjC;;AACA,QAAI,KAAK9F,WAAL,IAAoB,KAAKA,WAAL,CAAiBhK,UAAjB,KAAgC,MAAxD,EAAgE;AAC9D,WAAKuQ,kBAAL;AACD;AACF,G;;SAED0B,mB,GAAA,6BAAqB9oC,MAArB,EAAuC;AAAA,QAC7B8gC,YAD6B,GACC,IADD,CAC7BA,YAD6B;AAAA,QACfD,WADe,GACC,IADD,CACfA,WADe;;AAErC,QAAI,CAACA,WAAL,EAAkB;AAChB,YAAM39C,KAAK,CAAC,sDAAD,CAAX;AACD;;AAED,SAAK,IAAIq3C,SAAT,IAAsBv6B,MAAtB,EAA8B;AAC5B,UAAI,CAAC8gC,YAAY,CAACvG,SAAD,CAAjB,EAA8B;AAC5B,YAAIhxC,KAAK,GAAGyW,MAAM,CAACu6B,SAAD,CAAlB;;AACA,YAAI,CAAChxC,KAAL,EAAY;AACV,gBAAMrG,KAAK,qCAAmCq3C,SAAnC,8BAAX;AACD,SAJ2B,CAK5B;;;AACA,YAAI1xC,KAAK,GAAGU,KAAK,CAACkxC,UAAN,IAAoBlxC,KAAK,CAACV,KAAtC;AACA,YAAIqgD,QAAQ,GAAM3/C,KAAK,CAACuB,SAAZ,gBAAgCjC,KAA5C;AACAxC,wBAAM,CAACC,GAAP,4BAAoC4iD,QAApC;;AACA,YAAI;AACF,cAAInB,EAAE,GAAGjH,YAAY,CAACvG,SAAD,CAAZ,GAA0BsG,WAAW,CAACsI,eAAZ,CAA4BD,QAA5B,CAAnC;AACAnB,YAAE,CAACv9B,gBAAH,CAAoB,WAApB,EAAiC,KAAK+8B,cAAtC;AACAQ,YAAE,CAACv9B,gBAAH,CAAoB,OAApB,EAA6B,KAAK29B,gBAAlC;AACA,eAAKnoC,MAAL,CAAYu6B,SAAZ,IAAyB;AACvB/5C,kBAAM,EAAEunD,EADe;AAEvBl/C,iBAAK,EAAEA,KAFgB;AAGvBkC,cAAE,EAAExB,KAAK,CAACwB,EAHa;AAIvBD,qBAAS,EAAEvB,KAAK,CAACuB,SAJM;AAKvB2vC,sBAAU,EAAElxC,KAAK,CAACkxC;AALK,WAAzB;AAOD,SAXD,CAWE,OAAO7zC,GAAP,EAAY;AACZP,0BAAM,CAACU,KAAP,6CAAuDH,GAAG,CAACI,OAA3D;AACA,eAAKisB,GAAL,CAAShsB,OAAT,CAAiBi/C,iBAAM,CAAC/+C,KAAxB,EAA+B;AAAEC,gBAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCC,mBAAO,EAAEC,sBAAY,CAAC4hD,sBAAtD;AAA8E1hD,iBAAK,EAAE,KAArF;AAA4Fd,eAAG,EAAEA,GAAjG;AAAsGsiD,oBAAQ,EAAEA;AAAhH,WAA/B;AACD;AACF;AACF;;AACD,SAAKj2B,GAAL,CAAShsB,OAAT,CAAiBi/C,iBAAM,CAAC11B,cAAxB,EAAwC;AAAExQ,YAAM,EAAE,KAAKA;AAAf,KAAxC;AACD,G;;SAEDqpC,iB,GAAA,2BAAmBppD,IAAnB,EAAkC;AAChC,QAAI,CAAC,KAAKumD,WAAV,EAAuB;AACrB,UAAI,CAAC,KAAKK,QAAV,EAAoB;AAClB,aAAKA,QAAL,GAAgB,CAAE5mD,IAAF,CAAhB;AACD,OAFD,MAEO;AACL,aAAK4mD,QAAL,CAAcx8C,IAAd,CAAmBpK,IAAnB;AACD;;AAED,WAAK+nD,WAAL;AACD;AACF,G,CAED;AACA;;;SACAsB,W,GAAA,qBAAarpD,IAAb,EAAgD;AAC9C,SAAK,IAAMmH,IAAX,IAAmB,KAAK05C,YAAxB,EAAsC;AACpC,UAAI,CAAC7gD,IAAI,CAACmH,IAAN,IAAcnH,IAAI,CAACmH,IAAL,KAAcA,IAAhC,EAAsC;AACpC,YAAM2gD,EAAE,GAAG,KAAKjH,YAAL,CAAkB15C,IAAlB,CAAX;;AACA,YAAI2gD,EAAE,IAAI,CAACA,EAAE,CAACxX,KAAd,EAAqB;AACnBwX,YAAE,CAACxX,KAAH,GAAW,IAAX;AACAlqC,0BAAM,CAACC,GAAP,CAAcc,IAAd;AACD;AACF;AACF;;AAED,SAAKugD,QAAL;AACD,G,CAED;;;SACAA,Q,GAAA,oBAAY;AAAA,QACF7G,YADE,GAC4B,IAD5B,CACFA,YADE;AAAA,QACYD,WADZ,GAC4B,IAD5B,CACYA,WADZ;;AAEV,QAAI,CAACA,WAAD,IAAgBA,WAAW,CAAChK,UAAZ,KAA2B,MAA/C,EAAuD;AACrD,WAAK4P,SAAL,GAAiB,KAAjB;AACA;AACD;;AAED,SAAK,IAAIr/C,IAAT,IAAiB05C,YAAjB,EAA+B;AAC7B,UAAMiH,EAAE,GAAGjH,YAAY,CAAC15C,IAAD,CAAvB;AACA,UAAI,CAAC2gD,EAAL,EAAS;;AAET,UAAI,CAACA,EAAE,CAACxX,KAAR,EAAe;AACb;AACD;;AAED,UAAIwX,EAAE,CAACO,QAAP,EAAiB;AACf,aAAK7B,SAAL,GAAiB,IAAjB;AACA;AACD;AACF;;AAEDpgD,oBAAM,CAACC,GAAP,CAAW,6FAAX,EArBU,CAsBV;;AACA,QAAI;AACFu6C,iBAAW,CAAC8H,WAAZ;AACD,KAFD,CAEE,OAAO3iD,CAAP,EAAU;AACVK,sBAAM,CAACgN,IAAP,CAAY,mDAAZ;AACD;;AACD,SAAKozC,SAAL,GAAiB,KAAjB;AACD,G;;SAED8C,gB,GAAA,0BAAkBtpD,IAAlB,EAA6F;AAC3F,QAAIA,IAAI,CAACmH,IAAT,EAAe;AACb,WAAK8/C,UAAL,CAAgB78C,IAAhB,CAAqB;AAAE8J,aAAK,EAAElU,IAAI,CAACsb,WAAd;AAA2BwM,WAAG,EAAE9nB,IAAI,CAAC24C,SAArC;AAAgDxxC,YAAI,EAAEnH,IAAI,CAACmH;AAA3D,OAArB;AACD,KAFD,MAEO;AACL,WAAK8/C,UAAL,CAAgB78C,IAAhB,CAAqB;AAAE8J,aAAK,EAAElU,IAAI,CAACsb,WAAd;AAA2BwM,WAAG,EAAE9nB,IAAI,CAAC24C,SAArC;AAAgDxxC,YAAI,EAAE;AAAtD,OAArB;AACA,WAAK8/C,UAAL,CAAgB78C,IAAhB,CAAqB;AAAE8J,aAAK,EAAElU,IAAI,CAACsb,WAAd;AAA2BwM,WAAG,EAAE9nB,IAAI,CAAC24C,SAArC;AAAgDxxC,YAAI,EAAE;AAAtD,OAArB;AACD,KAN0F,CAQ3F;;;AACA,SAAK4/C,kBAAL,GAA0B,CAA1B;AACA,SAAKU,OAAL;AACD,G;;SAEDQ,mB,GAAA,+BAAuB;AACrB;AACA,QAAI,CAAC,KAAK5B,KAAV,EAAiB;AACf;AACD;;AAED,QAAMkD,oBAAoB,GAAG,KAAK7jD,MAAL,CAAY6jD,oBAAzC;;AACA,QAAI,CAAC75B,QAAQ,CAAC65B,oBAAD,CAAT,IAAmCA,oBAAoB,GAAG,CAA9D,EAAiE;AAC/D;AACD;;AAED,QAAI,CAAC,KAAKjuB,KAAV,EAAiB;AACfl1B,sBAAM,CAACU,KAAP,CAAa,oDAAb;AACA;AACD;;AAED,QAAM6hC,WAAW,GAAG,KAAKrN,KAAL,CAAWqN,WAA/B;AACA,QAAMkY,YAAY,GAAG,KAAKA,YAA1B;AACA,QAAM2I,WAAW,GAAG1lC,MAAM,CAACC,IAAP,CAAY88B,YAAZ,CAApB;AACA,QAAM4I,wBAAwB,GAAG9gB,WAAW,GAAG/6B,IAAI,CAAC+U,GAAL,CAAS4mC,oBAAT,EAA+B,KAAKnD,oBAApC,CAA/C;;AAEA,SAAK,IAAIl+B,KAAK,GAAGshC,WAAW,CAACzmD,MAAZ,GAAqB,CAAtC,EAAyCmlB,KAAK,IAAI,CAAlD,EAAqDA,KAAK,EAA1D,EAA8D;AAC5D,UAAMwhC,UAAU,GAAGF,WAAW,CAACthC,KAAD,CAA9B;AACA,UAAM4/B,EAAE,GAAGjH,YAAY,CAAC6I,UAAD,CAAvB;;AACA,UAAI5B,EAAJ,EAAQ;AACN,YAAM1iB,QAAQ,GAAG0iB,EAAE,CAAC1iB,QAApB,CADM,CAEN;;AACA,YAAIA,QAAQ,CAACriC,MAAT,GAAkB,CAAlB,IAAuB0mD,wBAAwB,GAAGrkB,QAAQ,CAAClxB,KAAT,CAAe,CAAf,CAAtD,EAAyE;AACvE;AACA;AACA;AACA,cAAI,KAAKy1C,iBAAL,CAAuBD,UAAvB,EAAmC5B,EAAnC,EAAuC,CAAvC,EAA0C2B,wBAA1C,CAAJ,EAAyE;AACvE,iBAAKz2B,GAAL,CAAShsB,OAAT,CAAiBi/C,iBAAM,CAAC30B,wBAAxB,EAAkD;AAAEkX,uBAAS,EAAEihB;AAAb,aAAlD;AACD;AAEF;AACF;AACF;AACF,G;;SAEDG,c,GAAA,8BAA+J;AAAA,QAA7ItiD,OAA6I,QAA7IA,OAA6I;;AAC7J,QAAIA,OAAO,CAACyvB,SAAR,CAAkBh0B,MAAlB,GAA2B,CAA/B,EAAkC;AAChC,WAAKojD,cAAL,GAAsB7+C,OAAO,CAACgwB,aAAR,GAAwBhwB,OAAO,CAACyvB,SAAR,CAAkB,CAAlB,EAAqB7iB,KAAnE;AACA,WAAKkyC,oBAAL,GAA4B9+C,OAAO,CAAC+1B,qBAAR,IAAiC/1B,OAAO,CAAC+vB,cAAzC,IAA2D,EAAvF;AACA,WAAKgvB,KAAL,GAAa/+C,OAAO,CAAC0vB,IAArB;AACA,WAAKgxB,0BAAL;AACD;AACF;AAED;;;;;;;SAKAA,0B,GAAA,sCAA8B;AAAA,QACtBtiD,MADsB,GACX,IADW,CACtBA,MADsB;AAE5B,QAAIiF,QAAJ;;AAEA,QAAI,KAAKw7C,cAAL,KAAwB,IAAxB,IACF,CAAC,KAAK7qB,KADJ,IAEF,CAAC,KAAKslB,WAFJ,IAGF,CAAC,KAAKC,YAHJ,IAIF,KAAKvlB,KAAL,CAAWsb,UAAX,KAA0B,CAJxB,IAKF,KAAKgK,WAAL,CAAiBhK,UAAjB,KAAgC,MALlC,EAK0C;AACxC;AACD;;AAED,SAAK,IAAIzvC,IAAT,IAAiB,KAAK05C,YAAtB,EAAoC;AAClC,UAAMiH,EAAE,GAAG,KAAKjH,YAAL,CAAkB15C,IAAlB,CAAX;;AACA,UAAI2gD,EAAE,IAAIA,EAAE,CAACO,QAAH,KAAgB,IAA1B,EAAgC;AAC9B;AACA;AACD;AACF;;AAED19C,YAAQ,GAAG,KAAK2wB,KAAL,CAAW3wB,QAAtB,CArB4B,CAsB5B;;AACA,QAAI,KAAKu7C,WAAL,KAAqB,IAAzB,EAA+B;AAC7B,WAAKA,WAAL,GAAmB,KAAKtF,WAAL,CAAiBj2C,QAApC;AACD;;AAED,QAAI,KAAK07C,KAAL,KAAe,IAAf,IAAuB3gD,MAAM,CAACmkD,oBAAP,KAAgC,IAA3D,EAAiE;AAC/D;AACAzjD,sBAAM,CAACC,GAAP,CAAW,0CAAX;AACA,WAAK6/C,WAAL,GAAmB,KAAKtF,WAAL,CAAiBj2C,QAAjB,GAA4BgZ,QAA/C;AACD,KAJD,MAIO,IAAK,KAAKwiC,cAAL,GAAsB,KAAKD,WAA3B,IAA0C,KAAKC,cAAL,GAAsBx7C,QAAjE,IAA8E,CAAC,0CAAgBA,QAAhB,CAAnF,EAA8G;AACnH;AACA;AACA;AACA;AACAvE,sBAAM,CAACC,GAAP,wCAAgD,KAAK8/C,cAAL,CAAoBvZ,OAApB,CAA4B,CAA5B,CAAhD;AACA,WAAKsZ,WAAL,GAAmB,KAAKtF,WAAL,CAAiBj2C,QAAjB,GAA4B,KAAKw7C,cAApD;AACD;AACF,G;;SAEDsB,O,GAAA,mBAAW;AACT;AACA,WAAO,KAAKR,UAAL,CAAgBlkD,MAAvB,EAA+B;AAC7B,UAAI6iC,KAAK,GAAG,KAAKqhB,UAAL,CAAgB,CAAhB,CAAZ,CAD6B,CAE7B;;AACA,UAAI,KAAK6C,WAAL,CAAiBlkB,KAAK,CAAC1xB,KAAvB,EAA8B0xB,KAAK,CAAC9d,GAApC,EAAyC8d,KAAK,CAACz+B,IAA/C,CAAJ,EAA0D;AACxD;AACA,aAAK8/C,UAAL,CAAgB5rC,KAAhB;AACA,aAAK0rC,kBAAL,GAA0B,CAA1B;AACD,OAJD,MAIO;AACL,aAAKR,WAAL,GAAmB,IAAnB,CADK,CAEL;;AACA;AACD;AACF;;AACD,QAAI,KAAKU,UAAL,CAAgBlkD,MAAhB,KAA2B,CAA/B,EAAkC;AAChC;AACA,WAAKwjD,WAAL,GAAmB,KAAnB,CAFgC,CAIhC;;AACA,UAAItM,QAAQ,GAAG,CAAf;AACA,UAAI4G,YAAY,GAAG,KAAKA,YAAxB;;AACA,UAAI;AACF,aAAK,IAAI15C,IAAT,IAAiB05C,YAAjB,EAA+B;AAC7B,cAAMiH,EAAE,GAAGjH,YAAY,CAAC15C,IAAD,CAAvB;;AACA,cAAI2gD,EAAJ,EAAQ;AACN7N,oBAAQ,IAAI6N,EAAE,CAAC1iB,QAAH,CAAYriC,MAAxB;AACD;AACF;AACF,OAPD,CAOE,OAAO+D,KAAP,EAAc;AACd;AACA;AACAV,wBAAM,CAACU,KAAP,CAAa,6CAAb;AACD;;AACD,WAAKmzC,QAAL,GAAgBA,QAAhB;AACA,WAAKjnB,GAAL,CAAShsB,OAAT,CAAiBi/C,iBAAM,CAACr1B,cAAxB;AACD;AACF,G;;SAEDm3B,W,GAAA,uBAAe;AAAA,QACPriD,MADO,GACiC,IADjC,CACPA,MADO;AAAA,QACCstB,GADD,GACiC,IADjC,CACCA,GADD;AAAA,QACM4zB,QADN,GACiC,IADjC,CACMA,QADN;AAAA,QACgB/F,YADhB,GACiC,IADjC,CACgBA,YADhB;;AAEb,QAAI,CAAC/8B,MAAM,CAACC,IAAP,CAAY88B,YAAZ,EAA0B99C,MAA/B,EAAuC;AACrC;AACA;AACD;;AAED,QAAI,CAAC,KAAKu4B,KAAN,IAAe,KAAKA,KAAL,CAAWx0B,KAA9B,EAAqC;AACnC,WAAK8/C,QAAL,GAAgB,EAAhB;AACAxgD,sBAAM,CAACU,KAAP,CAAa,0EAAb;AACA;AACD;;AAED,QAAI,KAAK+/C,SAAT,EAAoB;AAClB;AACA;AACD;;AAED,QAAMe,OAAO,GAAGhB,QAAQ,CAACvrC,KAAT,EAAhB;;AACA,QAAI,CAACusC,OAAL,EAAc;AAAE;AACd;AACD;;AAED,QAAI;AACF,UAAME,EAAE,GAAGjH,YAAY,CAAC+G,OAAO,CAACzgD,IAAT,CAAvB;;AACA,UAAI,CAAC2gD,EAAL,EAAS;AACP;AACA;AACA;AACA,aAAKR,cAAL;;AACA;AACD;;AAED,UAAIQ,EAAE,CAACO,QAAP,EAAiB;AACf;AACAzB,gBAAQ,CAACllB,OAAT,CAAiBkmB,OAAjB;AACA;AACD,OAdC,CAgBF;;;AACAE,QAAE,CAACxX,KAAH,GAAW,KAAX,CAjBE,CAkBF;;AACA,WAAKmK,MAAL,GAAcmN,OAAO,CAACnN,MAAtB;AACAqN,QAAE,CAAC7G,YAAH,CAAgB2G,OAAO,CAAC5nD,IAAxB;AACA,WAAK8mD,WAAL,GAAmB,CAAnB;AACA,WAAK7M,QAAL;AACA,WAAK4M,SAAL,GAAiB,IAAjB;AACD,KAxBD,CAwBE,OAAOlgD,GAAP,EAAY;AACZ;AACAP,sBAAM,CAACU,KAAP,0CAAoDH,GAAG,CAACI,OAAxD;AACA6/C,cAAQ,CAACllB,OAAT,CAAiBkmB,OAAjB;AACA,UAAI59B,KAAK,GAAG;AAAE7iB,YAAI,EAAEC,oBAAU,CAACC,WAAnB;AAAgCozC,cAAM,EAAEmN,OAAO,CAACnN,MAAhD;AAAwDnzC,eAAO,EAAE,EAAjE;AAAqEG,aAAK,EAAE;AAA5E,OAAZ;;AACA,UAAId,GAAG,CAACojD,IAAJ,KAAa,EAAjB,EAAqB;AACnB;AACA;AACA,aAAKnD,QAAL,GAAgB,EAAhB;AACA58B,aAAK,CAAC1iB,OAAN,GAAgBC,sBAAY,CAACo0C,iBAA7B;AACD,OALD,MAKO;AACL,aAAKmL,WAAL;AACA98B,aAAK,CAAC1iB,OAAN,GAAgBC,sBAAY,CAACyiD,mBAA7B;AACA;;;;AAGA,YAAI,KAAKlD,WAAL,GAAmBphD,MAAM,CAACukD,mBAA9B,EAAmD;AACjD7jD,0BAAM,CAACC,GAAP,WAAmBX,MAAM,CAACukD,mBAA1B;AACA,eAAKrD,QAAL,GAAgB,EAAhB;AACA58B,eAAK,CAACviB,KAAN,GAAc,IAAd;AACD;AACF;;AACDurB,SAAG,CAAChsB,OAAJ,CAAYi/C,iBAAM,CAAC/+C,KAAnB,EAA0B8iB,KAA1B;AACD;AACF;AAED;;;;;;;SAKA8/B,W,GAAA,qBAAaxuC,WAAb,EAAkCq9B,SAAlC,EAAqDuR,MAArD,EAAwF;AACtF,QAAMrJ,YAAY,GAAG,KAAKA,YAA1B,CADsF,CAEtF;;AACA,QAAI,CAAC/8B,MAAM,CAACC,IAAP,CAAY88B,YAAZ,EAA0B99C,MAA/B,EAAuC;AACrC,aAAO,IAAP;AACD;;AAED,QAAI4lC,WAAmB,GAAG,MAA1B;;AACA,QAAI,KAAKrN,KAAT,EAAgB;AACdqN,iBAAW,GAAG,KAAKrN,KAAL,CAAWqN,WAAX,CAAuBiE,OAAvB,CAA+B,CAA/B,CAAd;AACD;;AACDxmC,oBAAM,CAACC,GAAP,iCAAyCsiC,WAAzC,SAAwDrtB,WAAxD,SAAuEq9B,SAAvE,EAXsF,CAatF;;AACA,QAAI,KAAKoO,kBAAL,IAA2B,KAAK9M,QAApC,EAA8C;AAC5C7zC,sBAAM,CAACgN,IAAP,CAAY,iCAAZ;AACA,aAAO,IAAP;AACD;;AAED,QAAM00C,EAAE,GAAGjH,YAAY,CAACqJ,MAAD,CAAvB,CAnBsF,CAoBtF;;AACA,QAAIpC,EAAJ,EAAQ;AACNA,QAAE,CAACxX,KAAH,GAAW,KAAX;;AACA,UAAI,CAACwX,EAAE,CAACO,QAAR,EAAkB;AAChB,YAAI,KAAKsB,iBAAL,CAAuBO,MAAvB,EAA+BpC,EAA/B,EAAmCxsC,WAAnC,EAAgDq9B,SAAhD,CAAJ,EAAgE;AAC9D,eAAKoO,kBAAL;AACA,iBAAO,KAAP;AACD;AACF,OALD,MAKO;AACL3gD,wBAAM,CAACgN,IAAP,CAAY,uCAAZ;AACA,eAAO,KAAP;AACD;AACF;;AAEDhN,oBAAM,CAACC,GAAP,CAAW,gBAAX,EAlCsF,CAmCtF;;AACA,WAAO,IAAP;AACD;AAED;;;;;;;;;;;;SAUAsjD,iB,GAAA,2BAAmBxiD,IAAnB,EAAiC2gD,EAAjC,EAA2DxsC,WAA3D,EAAgFq9B,SAAhF,EAA4G;AAC1G,QAAI;AACF,WAAK,IAAIj3C,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGomD,EAAE,CAAC1iB,QAAH,CAAYriC,MAAhC,EAAwCrB,CAAC,EAAzC,EAA6C;AAC3C,YAAIyoD,QAAQ,GAAGrC,EAAE,CAAC1iB,QAAH,CAAYlxB,KAAZ,CAAkBxS,CAAlB,CAAf;AACA,YAAI0oD,MAAM,GAAGtC,EAAE,CAAC1iB,QAAH,CAAYtd,GAAZ,CAAgBpmB,CAAhB,CAAb;AACA,YAAI2oD,WAAW,GAAGz8C,IAAI,CAAC+U,GAAL,CAASwnC,QAAT,EAAmB7uC,WAAnB,CAAlB;AACA,YAAIgvC,SAAS,GAAG18C,IAAI,CAACC,GAAL,CAASu8C,MAAT,EAAiBzR,SAAjB,CAAhB;AAEA;;;;;;AAKA,YAAI/qC,IAAI,CAACC,GAAL,CAASy8C,SAAT,EAAoBF,MAApB,IAA8BC,WAA9B,GAA4C,GAAhD,EAAqD;AACnD,cAAI1hB,WAAmB,GAAG,MAA1B;;AACA,cAAI,KAAKrN,KAAT,EAAgB;AACdqN,uBAAW,GAAG,KAAKrN,KAAL,CAAWqN,WAAX,CAAuBlvB,QAAvB,EAAd;AACD;;AAEDrT,0BAAM,CAACC,GAAP,gBAAwBc,IAAxB,UAAiCkjD,WAAjC,SAAgDC,SAAhD,eAAmEH,QAAnE,SAA+EC,MAA/E,eAA+FzhB,WAA/F;AACAmf,YAAE,CAAC5G,MAAH,CAAUmJ,WAAV,EAAuBC,SAAvB;AACA,iBAAO,IAAP;AACD;AACF;AACF,KAvBD,CAuBE,OAAOxjD,KAAP,EAAc;AACdV,sBAAM,CAACgN,IAAP,CAAY,0BAAZ,EAAwCtM,KAAxC;AACD;;AAED,WAAO,KAAP;AACD,G;;;EA/sB4BisB,a;;AAktBhBizB,wFAAf,E;;;;;;;;AChvBA;;;AAIA;AACA;;IAEMuE,uC;;;;;AACJ,8BAAav3B,GAAb,EAAkB;AAAA;;AAChB,qCAAMA,GAAN,EACE/rB,iBAAK,CAACurB,sBADR,EAEEvrB,iBAAK,CAACgpB,eAFR,EAGEhpB,iBAAK,CAAC8pB,eAHR,EAIE9pB,iBAAK,CAACqpB,aAJR,EAKErpB,iBAAK,CAACkpB,eALR;AAOA,UAAKq6B,gBAAL,GAAwBxyB,MAAM,CAACkgB,iBAA/B;AACA,UAAKwF,UAAL,GAAkB,IAAlB;AACA,UAAKljB,MAAL,GAAc,EAAd;AACA,UAAKc,KAAL,GAAa,IAAb;AACA,UAAKmvB,gBAAL,GAAwB,EAAxB;AACA,UAAK/N,KAAL,GAAa,IAAb;AAbgB;AAcjB;;;;SAEDt3C,O,GAAA,mBAAW;AACT,QAAI,KAAK4tB,GAAL,CAASttB,MAAT,CAAgBglD,oBAApB,EAA0C;AACxC,WAAKpvB,KAAL,GAAa,IAAb;AACA,WAAKqvB,WAAL;AACD;AACF,G;;SAEDC,qB,GAAA,+BAAuB5qD,IAAvB,EAA6B;AAC3B;AACA,QAAIuqD,kBAAkB,CAACM,cAAnB,CAAkC7qD,IAAI,CAAC8qD,YAAvC,EAAqD,KAAKL,gBAA1D,CAAJ,EAAiF;AAC/E,WAAKA,gBAAL,CAAsBrgD,IAAtB,CAA2BpK,IAAI,CAAC8qD,YAAhC;AACD;AACF,G;;SAEDxC,gB,GAAA,0BAAkBtoD,IAAlB,EAAwB;AACtB,SAAKs7B,KAAL,GAAat7B,IAAI,CAACs7B,KAAL,YAAsBqC,MAAM,CAACotB,gBAA7B,GAAgD/qD,IAAI,CAACs7B,KAArD,GAA6D,IAA1E;AACD,G;;SAED8d,gB,GAAA,0BAAkBp5C,IAAlB,EAAwB;AACtB,QAAMgzB,GAAG,GAAG,KAAKA,GAAjB;AACA,SAAKy3B,gBAAL,GAAwB,EAAxB;AACA,SAAKjwB,MAAL,GAAcx6B,IAAI,CAACw6B,MAAnB;AACA,SAAKkjB,UAAL,GAAkB19C,IAAI,CAAC09C,UAAvB;;AACA,QAAI1qB,GAAG,CAACttB,MAAJ,CAAWglD,oBAAX,IAAmC1qD,IAAI,CAACyS,KAA5C,EAAmD;AACjD;AACA,WAAKu4C,YAAL;AACD;AACF,G,CAED;AACA;;;SACAhC,c,GAAA,wBAAgBhpD,IAAhB,EAAsB;AACpB,QAAMgzB,GAAG,GAAG,KAAKA,GAAjB;;AACA,QAAIA,GAAG,CAACttB,MAAJ,CAAWglD,oBAAX,IAAmC1qD,IAAI,CAACyS,KAA5C,EAAmD;AACjD;AACA,WAAKu4C,YAAL;AACD;AACF,G;;SAEDC,e,GAAA,yBAAiBjrD,IAAjB,EAAuB;AACrB,SAAKw6B,MAAL,GAAcx6B,IAAI,CAACw6B,MAAnB;AACD,G;;SAED2e,gB,GAAA,4BAAoB;AAClB,SAAKwR,WAAL;AACD,G;;SAEDO,gB,GAAA,4BAAoB;AAClB,QAAI,KAAK5vB,KAAT,EAAgB;AACd,UAAI6vB,YAAY,GAAG,KAAK3wB,MAAL,GAAc,KAAKA,MAAL,CAAYz3B,MAA1B,GAAmC,CAAtD;;AACA,UAAIooD,YAAJ,EAAkB;AAChB,YAAMn4B,GAAG,GAAG,KAAKA,GAAjB;AACAA,WAAG,CAACw3B,gBAAJ,GAAuB,KAAKY,WAAL,CAAiBD,YAAY,GAAG,CAAhC,CAAvB;;AACA,YAAIn4B,GAAG,CAACw3B,gBAAJ,GAAuB,KAAKA,gBAAhC,EAAkD;AAChD;AACA;AACAx3B,aAAG,CAACq4B,gBAAJ,CAAqBhT,eAArB;AACD;;AACD,aAAKmS,gBAAL,GAAwBx3B,GAAG,CAACw3B,gBAA5B;AACD;AACF;AACF;AAED;;;;;SAGAY,W,GAAA,qBAAaE,aAAb,EAA4B;AAAA;;AAC1B,QAAI,CAAC,KAAK9wB,MAAV,EAAkB;AAChB,aAAO,CAAC,CAAR;AACD;;AAED,QAAM+wB,WAAW,GAAG,KAAK/wB,MAAL,CAAYnT,MAAZ,CAAmB,UAACsO,KAAD,EAAQzN,KAAR;AAAA,aACrCqiC,kBAAkB,CAACM,cAAnB,CAAkC3iC,KAAlC,EAAyC,MAAI,CAACuiC,gBAA9C,KAAmEviC,KAAK,IAAIojC,aADvC;AAAA,KAAnB,CAApB;AAIA,WAAOf,kBAAkB,CAACiB,sBAAnB,CAA0CD,WAA1C,EAAuD,KAAKE,UAA5D,EAAwE,KAAKC,WAA7E,CAAP;AACD,G;;SAEDV,Y,GAAA,wBAAgB;AACd,QAAI,KAAKtO,KAAT,EAAgB;AACd;AACA;AACD;;AACD,SAAK8N,gBAAL,GAAwBxyB,MAAM,CAACkgB,iBAA/B;AACA,SAAKllB,GAAL,CAAS0qB,UAAT,GAAsB,KAAK0N,WAAL,CAAiB,KAAK1N,UAAtB,CAAtB;AACAxL,iBAAa,CAAC,KAAKwK,KAAN,CAAb;AACA,SAAKA,KAAL,GAAarK,WAAW,CAAC,KAAK6Y,gBAAL,CAAsB/6C,IAAtB,CAA2B,IAA3B,CAAD,EAAmC,IAAnC,CAAxB;AACA,SAAK+6C,gBAAL;AACD,G;;SAEDP,W,GAAA,uBAAe;AACb,SAAKF,gBAAL,GAAwB,EAAxB;AACA,SAAK/M,UAAL,GAAkB,IAAlB;AACA,SAAK8M,gBAAL,GAAwBxyB,MAAM,CAACkgB,iBAA/B;;AACA,QAAI,KAAKwE,KAAT,EAAgB;AACd,WAAKA,KAAL,GAAaxK,aAAa,CAAC,KAAKwK,KAAN,CAA1B;AACA,WAAKA,KAAL,GAAa,IAAb;AACD;AACF,G;;qBA8BMmO,c,GAAP,wBAAuBl1B,KAAvB,EAA8B80B,gBAA9B,EAAqD;AAAA,QAAvBA,gBAAuB;AAAvBA,sBAAuB,GAAJ,EAAI;AAAA;;AACnD,WAAOA,gBAAgB,CAAChiD,OAAjB,CAAyBktB,KAAzB,MAAoC,CAAC,CAA5C;AACD,G;;qBAEM61B,sB,GAAP,gCAA+BhxB,MAA/B,EAAuChqB,KAAvC,EAA8CE,MAA9C,EAAsD;AACpD,QAAI,CAAC8pB,MAAD,IAAYA,MAAM,IAAI,CAACA,MAAM,CAACz3B,MAAlC,EAA2C;AACzC,aAAO,CAAC,CAAR;AACD,KAHmD,CAKpD;AACA;;;AACA,QAAM4oD,mBAAmB,GAAG,SAAtBA,mBAAsB,CAACjS,QAAD,EAAWjB,SAAX,EAAyB;AACnD,UAAI,CAACA,SAAL,EAAgB;AACd,eAAO,IAAP;AACD;;AAED,aAAOiB,QAAQ,CAAClpC,KAAT,KAAmBioC,SAAS,CAACjoC,KAA7B,IAAsCkpC,QAAQ,CAAChpC,MAAT,KAAoB+nC,SAAS,CAAC/nC,MAA3E;AACD,KAND,CAPoD,CAepD;AACA;;;AACA,QAAIk7C,aAAa,GAAGpxB,MAAM,CAACz3B,MAAP,GAAgB,CAApC;;AAEA,SAAK,IAAIrB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAG84B,MAAM,CAACz3B,MAA3B,EAAmCrB,CAAC,IAAI,CAAxC,EAA2C;AACzC,UAAMi0B,KAAK,GAAG6E,MAAM,CAAC94B,CAAD,CAApB;;AACA,UAAI,CAACi0B,KAAK,CAACnlB,KAAN,IAAeA,KAAf,IAAwBmlB,KAAK,CAACjlB,MAAN,IAAgBA,MAAzC,KAAoDi7C,mBAAmB,CAACh2B,KAAD,EAAQ6E,MAAM,CAAC94B,CAAC,GAAG,CAAL,CAAd,CAA3E,EAAmG;AACjGkqD,qBAAa,GAAGlqD,CAAhB;AACA;AACD;AACF;;AAED,WAAOkqD,aAAP;AACD,G;;;;wBA5DiB;AAChB,UAAIp7C,KAAJ;AACA,UAAM8qB,KAAK,GAAG,KAAKA,KAAnB;;AACA,UAAIA,KAAJ,EAAW;AACT9qB,aAAK,GAAG8qB,KAAK,CAAC9qB,KAAN,IAAe8qB,KAAK,CAACuwB,WAArB,IAAoCvwB,KAAK,CAACwwB,WAAlD;AACAt7C,aAAK,IAAI+5C,kBAAkB,CAACwB,kBAA5B;AACD;;AACD,aAAOv7C,KAAP;AACD;;;wBAEkB;AACjB,UAAIE,MAAJ;AACA,UAAM4qB,KAAK,GAAG,KAAKA,KAAnB;;AACA,UAAIA,KAAJ,EAAW;AACT5qB,cAAM,GAAG4qB,KAAK,CAAC5qB,MAAN,IAAgB4qB,KAAK,CAAC0wB,YAAtB,IAAsC1wB,KAAK,CAAC2wB,YAArD;AACAv7C,cAAM,IAAI65C,kBAAkB,CAACwB,kBAA7B;AACD;;AACD,aAAOr7C,MAAP;AACD;;;wBAEgC;AAC/B,UAAIJ,UAAU,GAAG,CAAjB;;AACA,UAAI;AACFA,kBAAU,GAAGqtB,MAAM,CAACuuB,gBAApB;AACD,OAFD,CAEE,OAAOnmD,CAAP,EAAU,CAAE;;AACd,aAAOuK,UAAP;AACD;;;;EA/I8ByiB,a;;AAoLlBw3B,gGAAf,E;;;;AC3LA;;;AAIA;AACA;AACA;4BAEwB5sB,M;IAAhBhV,0B,yBAAAA,W;;IAEFwjC,4B;;;;;AACJ,yBAAan5B,GAAb,EAAkB;AAAA,WAChB,yBAAMA,GAAN,EAAW/rB,iBAAK,CAACgpB,eAAjB,CADgB;AAEjB;;;;SAED7qB,O,GAAA,mBAAW;AACT,QAAI,KAAKs3C,KAAT,EAAgB;AACdxK,mBAAa,CAAC,KAAKwK,KAAN,CAAb;AACD;;AAED,SAAK0P,+BAAL,GAAuC,KAAvC;AACD,G;;SAED9D,gB,GAAA,0BAAkBtoD,IAAlB,EAAwB;AACtB,QAAM0F,MAAM,GAAG,KAAKstB,GAAL,CAASttB,MAAxB;;AACA,QAAIA,MAAM,CAAC2mD,iBAAX,EAA8B;AAC5B,UAAM55C,KAAK,GAAG,KAAKA,KAAL,GAAazS,IAAI,CAACs7B,KAAL,YAAsBqC,MAAM,CAACotB,gBAA7B,GAAgD/qD,IAAI,CAACs7B,KAArD,GAA6D,IAAxF;;AACA,UAAI,OAAO7oB,KAAK,CAAC65C,uBAAb,KAAyC,UAA7C,EAAyD;AACvD,aAAKF,+BAAL,GAAuC,IAAvC;AACD;;AAEDla,mBAAa,CAAC,KAAKwK,KAAN,CAAb;AACA,WAAKA,KAAL,GAAarK,WAAW,CAAC,KAAKka,gBAAL,CAAsBp8C,IAAtB,CAA2B,IAA3B,CAAD,EAAmCzK,MAAM,CAAC8mD,0BAA1C,CAAxB;AACD;AACF,G;;SAEDC,Q,GAAA,kBAAUh6C,KAAV,EAAiBi6C,aAAjB,EAAgCC,aAAhC,EAA+C;AAC7C,QAAIhkB,WAAW,GAAGhgB,0BAAW,CAACD,GAAZ,EAAlB;;AACA,QAAIgkC,aAAJ,EAAmB;AACjB,UAAI,KAAKE,QAAT,EAAmB;AACjB,YAAIC,aAAa,GAAGlkB,WAAW,GAAG,KAAKikB,QAAvC;AAAA,YACEE,cAAc,GAAGH,aAAa,GAAG,KAAKI,iBADxC;AAAA,YAEEC,cAAc,GAAGN,aAAa,GAAG,KAAKO,iBAFxC;AAAA,YAGEC,UAAU,GAAG,OAAOJ,cAAP,GAAwBD,aAHvC;AAAA,YAIE75B,GAAG,GAAG,KAAKA,GAJb;AAKAA,WAAG,CAAChsB,OAAJ,CAAYC,iBAAK,CAACsrB,QAAlB,EAA4B;AAAEu6B,wBAAc,EAAEA,cAAlB;AAAkCE,wBAAc,EAAEA,cAAlD;AAAkEG,4BAAkB,EAAER;AAAtF,SAA5B;;AACA,YAAIO,UAAU,GAAG,CAAjB,EAAoB;AAClB;AACA,cAAIJ,cAAc,GAAG95B,GAAG,CAACttB,MAAJ,CAAW0nD,6BAAX,GAA2CJ,cAAhE,EAAgF;AAC9E,gBAAIlT,YAAY,GAAG9mB,GAAG,CAAC8mB,YAAvB;AACA1zC,4BAAM,CAACgN,IAAP,CAAY,qEAAqE0mC,YAAjF;;AACA,gBAAIA,YAAY,GAAG,CAAf,KAAqB9mB,GAAG,CAACw3B,gBAAJ,KAAyB,CAAC,CAA1B,IAA+Bx3B,GAAG,CAACw3B,gBAAJ,IAAwB1Q,YAA5E,CAAJ,EAA+F;AAC7FA,0BAAY,GAAGA,YAAY,GAAG,CAA9B;AACA9mB,iBAAG,CAAChsB,OAAJ,CAAYC,iBAAK,CAACurB,sBAAlB,EAA0C;AAAEmD,qBAAK,EAAEmkB,YAAT;AAAuBgR,4BAAY,EAAE93B,GAAG,CAAC8mB;AAAzC,eAA1C;AACA9mB,iBAAG,CAACw3B,gBAAJ,GAAuB1Q,YAAvB;AACA9mB,iBAAG,CAACq4B,gBAAJ,CAAqBhT,eAArB;AACD;AACF;AACF;AACF;;AACD,WAAKuU,QAAL,GAAgBjkB,WAAhB;AACA,WAAKokB,iBAAL,GAAyBJ,aAAzB;AACA,WAAKM,iBAAL,GAAyBP,aAAzB;AACD;AACF,G;;SAEDH,gB,GAAA,4BAAoB;AAClB,QAAM95C,KAAK,GAAG,KAAKA,KAAnB;;AACA,QAAIA,KAAJ,EAAW;AACT,UAAI,KAAK25C,+BAAT,EAA0C;AACxC,YAAIiB,oBAAoB,GAAG56C,KAAK,CAAC65C,uBAAN,EAA3B;AACA,aAAKG,QAAL,CAAch6C,KAAd,EAAqB46C,oBAAoB,CAACC,gBAA1C,EAA4DD,oBAAoB,CAACE,kBAAjF;AACD,OAHD,MAGO;AACL,aAAKd,QAAL,CAAch6C,KAAd,EAAqBA,KAAK,CAAC+6C,uBAA3B,EAAoD/6C,KAAK,CAACg7C,uBAA1D;AACD;AACF;AACF,G;;;EAlEyB16B,a;;AAqEbo5B,+EAAf,E;;AC/EA;;;AAIA;wBAEwCxuB,M;IAAhChV,sB,qBAAAA,W;IAAa+kC,c,qBAAAA,c;;IAEfC,oB;;;AACJ,qBAAajoD,MAAb,EAAqB;AACnB,QAAIA,MAAM,IAAIA,MAAM,CAACkoD,QAArB,EAA+B;AAC7B,WAAKA,QAAL,GAAgBloD,MAAM,CAACkoD,QAAvB;AACD;AACF;;;;SAEDxoD,O,GAAA,mBAAW;AACT,SAAKq6B,KAAL;AACA,SAAK5J,MAAL,GAAc,IAAd;AACD,G;;SAED4J,K,GAAA,iBAAS;AACP,QAAI5J,MAAM,GAAG,KAAKA,MAAlB;;AACA,QAAIA,MAAM,IAAIA,MAAM,CAAC+gB,UAAP,KAAsB,CAApC,EAAuC;AACrC,WAAKvtB,KAAL,CAAWu6B,OAAX,GAAqB,IAArB;AACA/tB,YAAM,CAAC4J,KAAP;AACD;;AAED9B,UAAM,CAAC4U,YAAP,CAAoB,KAAKsb,cAAzB;AACA,SAAKA,cAAL,GAAsB,IAAtB;AACAlwB,UAAM,CAAC4U,YAAP,CAAoB,KAAKub,YAAzB;AACA,SAAKA,YAAL,GAAoB,IAApB;AACD,G;;SAED7uB,I,GAAA,cAAMf,OAAN,EAAex4B,MAAf,EAAuBqoD,SAAvB,EAAkC;AAChC,SAAK7vB,OAAL,GAAeA,OAAf;AACA,SAAKx4B,MAAL,GAAcA,MAAd;AACA,SAAKqoD,SAAL,GAAiBA,SAAjB;AACA,SAAK1kC,KAAL,GAAa;AAAEm1B,cAAQ,EAAE71B,sBAAW,CAACD,GAAZ,EAAZ;AAA+BslC,WAAK,EAAE;AAAtC,KAAb;AACA,SAAKpuB,UAAL,GAAkBl6B,MAAM,CAACk6B,UAAzB;AACA,SAAKquB,YAAL;AACD,G;;SAEDA,Y,GAAA,wBAAgB;AACd,QAAIC,GAAJ;AAAA,QAAShwB,OAAO,GAAG,KAAKA,OAAxB;AACAgwB,OAAG,GAAG,KAAKr4B,MAAL,GAAc,IAAI63B,cAAJ,EAApB;AAEA,QAAIrkC,KAAK,GAAG,KAAKA,KAAjB;AACAA,SAAK,CAACiyB,MAAN,GAAe,CAAf;AACAjyB,SAAK,CAACka,MAAN,GAAe,CAAf;AACA,QAAMqqB,QAAQ,GAAG,KAAKA,QAAtB;;AAEA,QAAI;AACF,UAAIA,QAAJ,EAAc;AACZ,YAAI;AACFA,kBAAQ,CAACM,GAAD,EAAMhwB,OAAO,CAAC9R,GAAd,CAAR;AACD,SAFD,CAEE,OAAOrmB,CAAP,EAAU;AACV;AACA;AACAmoD,aAAG,CAACC,IAAJ,CAAS,KAAT,EAAgBjwB,OAAO,CAAC9R,GAAxB,EAA6B,IAA7B;AACAwhC,kBAAQ,CAACM,GAAD,EAAMhwB,OAAO,CAAC9R,GAAd,CAAR;AACD;AACF;;AACD,UAAI,CAAC8hC,GAAG,CAACtX,UAAT,EAAqB;AACnBsX,WAAG,CAACC,IAAJ,CAAS,KAAT,EAAgBjwB,OAAO,CAAC9R,GAAxB,EAA6B,IAA7B;AACD;AACF,KAdD,CAcE,OAAOrmB,CAAP,EAAU;AACV;AACA,WAAKgoD,SAAL,CAAertB,OAAf,CAAuB;AAAEqpB,YAAI,EAAEmE,GAAG,CAACE,MAAZ;AAAoBx7C,YAAI,EAAE7M,CAAC,CAACgB;AAA5B,OAAvB,EAA8Dm3B,OAA9D,EAAuEgwB,GAAvE;AACA;AACD;;AAED,QAAIhwB,OAAO,CAACgE,QAAZ,EAAsB;AACpBgsB,SAAG,CAACG,gBAAJ,CAAqB,OAArB,EAA8B,WAAWnwB,OAAO,CAAC+D,UAAnB,GAAgC,GAAhC,IAAuC/D,OAAO,CAACgE,QAAR,GAAmB,CAA1D,CAA9B;AACD;;AAEDgsB,OAAG,CAACI,kBAAJ,GAAyB,KAAKC,gBAAL,CAAsBp+C,IAAtB,CAA2B,IAA3B,CAAzB;AACA+9C,OAAG,CAACM,UAAJ,GAAiB,KAAK3qB,YAAL,CAAkB1zB,IAAlB,CAAuB,IAAvB,CAAjB;AACA+9C,OAAG,CAAC/uB,YAAJ,GAAmBjB,OAAO,CAACiB,YAA3B,CAnCc,CAqCd;;AACA,SAAK0uB,cAAL,GAAsBlwB,MAAM,CAAC8U,UAAP,CAAkB,KAAK5R,WAAL,CAAiB1wB,IAAjB,CAAsB,IAAtB,CAAlB,EAA+C,KAAKzK,MAAL,CAAYi6B,OAA3D,CAAtB;AACAuuB,OAAG,CAACO,IAAJ;AACD,G;;SAEDF,gB,GAAA,0BAAkBvkC,KAAlB,EAAyB;AACvB,QAAIkkC,GAAG,GAAGlkC,KAAK,CAAC0kC,aAAhB;AAAA,QACE9X,UAAU,GAAGsX,GAAG,CAACtX,UADnB;AAAA,QAEEvtB,KAAK,GAAG,KAAKA,KAFf;AAAA,QAGE6U,OAAO,GAAG,KAAKA,OAHjB;AAAA,QAIEx4B,MAAM,GAAG,KAAKA,MAJhB,CADuB,CAOvB;;AACA,QAAI2jB,KAAK,CAACu6B,OAAV,EAAmB;AACjB;AACD,KAVsB,CAYvB;;;AACA,QAAIhN,UAAU,IAAI,CAAlB,EAAqB;AACnB;AACAjZ,YAAM,CAAC4U,YAAP,CAAoB,KAAKsb,cAAzB;;AACA,UAAIxkC,KAAK,CAACiyB,MAAN,KAAiB,CAArB,EAAwB;AACtBjyB,aAAK,CAACiyB,MAAN,GAAe1tC,IAAI,CAAC+U,GAAL,CAASgG,sBAAW,CAACD,GAAZ,EAAT,EAA4BW,KAAK,CAACm1B,QAAlC,CAAf;AACD;;AAED,UAAI5H,UAAU,KAAK,CAAnB,EAAsB;AACpB,YAAIwX,MAAM,GAAGF,GAAG,CAACE,MAAjB,CADoB,CAEpB;;AACA,YAAIA,MAAM,IAAI,GAAV,IAAiBA,MAAM,GAAG,GAA9B,EAAmC;AACjC/kC,eAAK,CAAC6X,KAAN,GAActzB,IAAI,CAAC+U,GAAL,CAAS0G,KAAK,CAACiyB,MAAf,EAAuB3yB,sBAAW,CAACD,GAAZ,EAAvB,CAAd;AACA,cAAI1oB,IAAJ,EAAUiL,GAAV;;AACA,cAAIizB,OAAO,CAACiB,YAAR,KAAyB,aAA7B,EAA4C;AAC1Cn/B,gBAAI,GAAGkuD,GAAG,CAAC5vB,QAAX;AACArzB,eAAG,GAAGjL,IAAI,CAACS,UAAX;AACD,WAHD,MAGO;AACLT,gBAAI,GAAGkuD,GAAG,CAACS,YAAX;AACA1jD,eAAG,GAAGjL,IAAI,CAAC+C,MAAX;AACD;;AACDsmB,eAAK,CAACka,MAAN,GAAela,KAAK,CAACgyB,KAAN,GAAcpwC,GAA7B;AACA,cAAIqzB,QAAQ,GAAG;AAAElS,eAAG,EAAE8hC,GAAG,CAACU,WAAX;AAAwB5uD,gBAAI,EAAEA;AAA9B,WAAf;AACA,eAAK+tD,SAAL,CAAevtB,SAAf,CAAyBlC,QAAzB,EAAmCjV,KAAnC,EAA0C6U,OAA1C,EAAmDgwB,GAAnD;AACD,SAbD,MAaO;AACL;AACA,cAAI7kC,KAAK,CAAC2kC,KAAN,IAAetoD,MAAM,CAACg6B,QAA1B,EAAoC;AAClCt5B,4BAAM,CAACU,KAAP,CAAgBsnD,MAAhB,uBAAwClwB,OAAO,CAAC9R,GAAhD;AACA,iBAAK2hC,SAAL,CAAertB,OAAf,CAAuB;AAAEqpB,kBAAI,EAAEqE,MAAR;AAAgBx7C,kBAAI,EAAEs7C,GAAG,CAACW;AAA1B,aAAvB,EAA+D3wB,OAA/D,EAAwEgwB,GAAxE;AACD,WAHD,MAGO;AACL;AACA9nD,4BAAM,CAACgN,IAAP,CAAeg7C,MAAf,uBAAuClwB,OAAO,CAAC9R,GAA/C,sBAAmE,KAAKwT,UAAxE,UAFK,CAGL;;AACA,iBAAKx6B,OAAL,GAJK,CAKL;;AACA,iBAAK0oD,YAAL,GAAoBnwB,MAAM,CAAC8U,UAAP,CAAkB,KAAKwb,YAAL,CAAkB99C,IAAlB,CAAuB,IAAvB,CAAlB,EAAgD,KAAKyvB,UAArD,CAApB,CANK,CAOL;;AACA,iBAAKA,UAAL,GAAkBhyB,IAAI,CAACC,GAAL,CAAS,IAAI,KAAK+xB,UAAlB,EAA8Bl6B,MAAM,CAACm6B,aAArC,CAAlB;AACAxW,iBAAK,CAAC2kC,KAAN;AACD;AACF;AACF,OAjCD,MAiCO;AACL;AACA,aAAKH,cAAL,GAAsBlwB,MAAM,CAAC8U,UAAP,CAAkB,KAAK5R,WAAL,CAAiB1wB,IAAjB,CAAsB,IAAtB,CAAlB,EAA+CzK,MAAM,CAACi6B,OAAtD,CAAtB;AACD;AACF;AACF,G;;SAEDkB,W,GAAA,uBAAe;AACbz6B,oBAAM,CAACgN,IAAP,4BAAqC,KAAK8qB,OAAL,CAAa9R,GAAlD;AACA,SAAK2hC,SAAL,CAAentB,SAAf,CAAyB,KAAKvX,KAA9B,EAAqC,KAAK6U,OAA1C,EAAmD,IAAnD;AACD,G;;SAED2F,Y,GAAA,sBAAc7Z,KAAd,EAAqB;AACnB,QAAIkkC,GAAG,GAAGlkC,KAAK,CAAC0kC,aAAhB;AAAA,QACErlC,KAAK,GAAG,KAAKA,KADf;AAGAA,SAAK,CAACka,MAAN,GAAevZ,KAAK,CAACuZ,MAArB;;AACA,QAAIvZ,KAAK,CAAC8kC,gBAAV,EAA4B;AAC1BzlC,WAAK,CAACgyB,KAAN,GAAcrxB,KAAK,CAACqxB,KAApB;AACD;;AAED,QAAIzX,UAAU,GAAG,KAAKmqB,SAAL,CAAenqB,UAAhC;;AACA,QAAIA,UAAJ,EAAgB;AACd;AACAA,gBAAU,CAACva,KAAD,EAAQ,KAAK6U,OAAb,EAAsB,IAAtB,EAA4BgwB,GAA5B,CAAV;AACD;AACF,G;;;;;AAGYP,mEAAf,E;;;;;ACtKA;;;AAGO,IAAKoB,UAAZ;;WAAYA,U;AAAAA,Y;AAAAA,Y;GAAAA,U,KAAAA,U;;AAMZ,IAAMC,2BAA2B,GAAI,YAAiC;AACpE,MAAI,OAAOrxB,MAAP,KAAkB,WAAlB,IAAiCA,MAAM,CAACz1B,SAAxC,IAAqDy1B,MAAM,CAACz1B,SAAP,CAAiB8mD,2BAA1E,EAAuG;AACrG,WAAOrxB,MAAM,CAACz1B,SAAP,CAAiB8mD,2BAAjB,CAA6C7+C,IAA7C,CAAkDwtB,MAAM,CAACz1B,SAAzD,CAAP;AACD,GAFD,MAEO;AACL,WAAO,IAAP;AACD;AACF,CANmC,EAApC;;;;;;;;ACTA;;;AAIA;AACA;AACA;AACA;CAEA;;AAEA;AACA;AAEA;AACA;AACA;AACA;AACA;AACA;AAgJA;AACA;AAEO,IAAM+mD,gBAA2B;AACtC/V,eAAa,EAAE,IADuB;AACjB;AACrB/E,eAAa,EAAE,CAAC,CAFsB;AAEnB;AACnB8H,mBAAiB,EAAE,KAAK,CAHc;AAGX;AAC3BhkC,OAAK,EAAE,KAJ+B;AAIxB;AACdo0C,mBAAiB,EAAE,KALmB;AAKZ;AAC1B3B,sBAAoB,EAAE,KANgB;AAMT;AAC7BxU,yBAAuB,EAAE,CAPa;AAOV;AAC5BJ,iBAAe,EAAE,EARqB;AAQjB;AACrBD,eAAa,EAAE,KAAK,IAAL,GAAY,IATW;AASL;AACjC1vB,eAAa,EAAE,GAVuB;AAUlB;AAEpB+oC,yBAAuB,EAAE,GAZa;AAYR;AAC9B/d,0BAAwB,EAAE,CAbY;AAaT;AAC7BM,aAAW,EAAE,GAdyB;AAcpB;AAClBD,eAAa,EAAE,CAfuB;AAepB;AAClB9I,wBAAsB,EAAE,IAhBc;AAgBR;AAC9B8L,uBAAqB,EAAE,CAjBe;AAiBZ;AAC1BkC,6BAA2B,EAAE/yB,QAlBS;AAkBC;AACvC4wB,kBAAgB,EAAE,KAAK,CAnBe;AAmBZ;AAC1BkC,wBAAsB,EAAE,KAAK,CApBS;AAoBN;AAChCoT,sBAAoB,EAAE,KArBgB;AAqBT;AAC7BN,sBAAoB,EAAE5lC,QAtBgB;AAsBN;AAChCoyB,oBAAkB,EAAE,GAvBkB;AAuBb;AACzB9M,cAAY,EAAE,IAxBwB;AAwBlB;AACpB/iC,mBAAiB,EAAE,IAzBmB;AAyBb;AACzB65B,wBAAsB,EAAE,KA1Bc;AA0BP;AAC/BD,yBAAuB,EAAE,CA3Ba;AA2BV;AAC5BE,2BAAyB,EAAE,IA5BW;AA4BL;AACjCC,gCAA8B,EAAE,KA7BM;AA6BC;AACvCgV,YAAU,EAAE,KAAK,CA9BqB;AA8BlB;AACpB/U,qBAAmB,EAAE,KA/BiB;AA+BV;AAC5BC,sBAAoB,EAAE,CAhCgB;AAgCb;AACzBC,wBAAsB,EAAE,IAjCc;AAiCR;AAC9BC,6BAA2B,EAAE,KAlCS;AAkCF;AACpCqD,oBAAkB,EAAE,KAnCkB;AAmCX;AAC3B8X,qBAAmB,EAAE,CApCiB;AAoCd;AACxBpX,uBAAqB,EAAE,IArCe;AAqCT;AAC7BT,4BAA0B,EAAE,KAtCU;AAsCH;AACnC8R,mBAAiB,EAAE,KAvCmB;AAuCZ;AAC1B+W,4BAA0B,EAAE,IAxCU;AAwCJ;AAClCY,+BAA6B,EAAE,GAzCO;AAyCF;AACpCnD,qBAAmB,EAAE,CA1CiB;AA0Cd;AACxBp0B,QAAM,EAAE83B,UA3C8B;AA4CtC;AACAtqB,SAAO,EAAE,KAAK,CA7CwB;AA6CrB;AACjB5E,SAAO,EAAE,KAAK,CA9CwB;AA8CrB;AACjBmvB,UAAQ,EAAE,KAAK,CA/CuB;AA+CpB;AAClBuB,iBAAe,EAAE,KAAK,CAhDgB;AAgDb;AACzB;AACAC,eAAa,EAAEvM,cAlDuB;AAmDtCwM,kBAAgB,EAAErJ,iBAnDoB;AAoDtCsJ,oBAAkB,EAAE/E,oBApDkB;AAqDtCgF,eAAa,EAAEpD,cArDuB;AAsDtCjmC,wBAAsB,EAAE,KAtDc;AAsDP;AAC/BoB,qBAAmB,EAAE,CAvDiB;AAuDd;AACxBvP,8BAA4B,EAAE,IAxDQ;AAwDF;AACpCurC,iBAAe,EAAE,CAzDqB;AAyDlB;AACpBC,iBAAe,EAAE,CA1DqB;AA0DlB;AACpBC,gBAAc,EAAE,CA3DsB;AA2DnB;AACnBC,gBAAc,EAAE,CA5DsB;AA4DnB;AACnBC,wBAAsB,EAAE,GA7Dc;AA6DT;AAC7BkC,oBAAkB,EAAE,IA9DkB;AA8DZ;AAC1BC,sBAAoB,EAAE,GA/DgB;AA+DX;AAC3BvB,uBAAqB,EAAE,KAhEe;AAgER;AAC9BwB,oBAAkB,EAAE,CAjEkB;AAiEf;AACvBC,iBAAe,EAAE,CAlEqB;AAkElB;AACpByJ,gBAAc,EAAE,CAnEsB;AAmEnB;AACnBC,YAAU,EAAE,KApE0B;AAoEnB;AACnBC,oBAAkB,EAAE,KAAK,CArEa;AAqEV;AAC5BC,iCAA+B,EAAEX,2BAA2BA;AAtEtB,GAyEnCY,cAAc,EAzEqB;AA0EtCC,0BAAwB,EAAGC,MAAD,GAAsBC,SAAtB,GAAiD,KAAK,CA1E1C;AA2EtCC,yBAAuB,EAAGF,MAAD,GAAsBG,SAAtB,GAAgD,KAAK,CA3ExC;AA4EtCC,oBAAkB,EAAGJ,MAAD,GAAsBK,SAAtB,GAA2C,KAAK,CA5E9B;AA6EtCC,uBAAqB,EAAGC,MAAD,GAAsBC,SAAtB,GAA8C,KAAK,CA7EpC;AA8EtCC,sBAAoB,EAAGF,MAAD,GAAsBG,SAAtB,GAA6C,KAAK,CA9ElC;AA+EtCC,eAAa,EAAGC,MAAD,GAAoBC,SAApB,GAAoC,KAAK;AA/ElB,EAAjC;;AAkFP,SAASf,cAAT,GAAqD;AACnD,MAAI,IAAJ,EAAwB;AACtB;AACA;AACA,WAAO,EAAP;AACD;;AACD,SAAO;AACLgB,cAAU,EAAEC,KADP;AACa;AAClBC,wBAAoB,EAAE,IAFjB;AAEuB;AAC5BC,gBAAY,EAAE,IAHT;AAGe;AACpBC,2BAAuB,EAAE,SAJpB;AAI+B;AACpCC,kCAA8B,EAAE,IAL3B;AAKiC;AACtCC,2BAAuB,EAAE,SANpB;AAM+B;AACpCC,kCAA8B,EAAE,IAP3B,CAOgC;;AAPhC,GAAP;AASD,C;;;;;;;;;;;;;;;ACvQD;AAEA;AAKA;AACA;AACA;AAEA;AACA;AACA;AACA;AAEA;AACA;AACA;AAEA;AAEA;AAEA;;;;;;IAKqBC,O;;;;;AAwBnB;;;MAGOzQ,W,GAAP,uBAA+B;AAC7B,WAAOA,wBAAW,EAAlB;AACD;AAED;;;;;;;;AAdA;;;wBAG8B;AAC5B,aAAO0Q,SAAP;AACD;;;wBAYoB;AACnB,aAAOrhC,iBAAP;AACD;AAED;;;;;;wBAGyB;AACvB,aAAO5oB,oBAAP;AACD;AAED;;;;;;wBAG2B;AACzB,aAAOG,sBAAP;AACD;AAED;;;;;;wBAGuC;AACrC,UAAI,CAAC6pD,GAAG,CAACE,aAAT,EAAwB;AACtB,eAAOrC,gBAAP;AACD;;AAED,aAAOmC,GAAG,CAACE,aAAX;AACD;AAED;;;;sBAG0BA,a,EAA0B;AAClDF,SAAG,CAACE,aAAJ,GAAoBA,aAApB;AACD;AAED;;;;;;;;;AAMA,eAAaC,UAAb,EAAkD;AAAA;;AAAA,QAArCA,UAAqC;AAArCA,gBAAqC,GAAJ,EAAI;AAAA;;AAChD;AADgD,UA1E3C7rD,MA0E2C;AAAA,UAxE1C8rD,iBAwE0C;AAAA,UAvE1CpC,aAuE0C;AAAA,UAtE1CE,kBAsE0C;AAAA,UArE1CmC,eAqE0C;AAAA,UApE1CpG,gBAoE0C;AAAA,UAnE1CqG,kBAmE0C;AAAA,UAlE1CnB,oBAkE0C;AAAA,UAjE1CP,uBAiE0C;AAAA,UAhE1CS,aAgE0C;AAAA,UA/D1CkB,cA+D0C;AAAA,UA9D1Cr2B,KA8D0C,GA9DT,IA8DS;AAAA,UA7D1ClP,GA6D0C,GA7DrB,IA6DqB;AAGhD,QAAMklC,aAAa,GAAGF,GAAG,CAACQ,aAA1B;;AAEA,QAAI,CAACL,UAAU,CAAC/c,qBAAX,IAAoC+c,UAAU,CAAC7a,2BAAhD,MAAiF6a,UAAU,CAAChd,gBAAX,IAA+Bgd,UAAU,CAAC9a,sBAA3H,CAAJ,EAAwJ;AACtJ,YAAM,IAAIxzC,KAAJ,CAAU,oIAAV,CAAN;AACD,KAP+C,CAShD;;;AACA,UAAKyC,MAAL,wBACK4rD,aADL,EAEKC,UAFL;;AAVgD;AAAA,QAexC7rD,MAfwC,yBAexCA,MAfwC;;AAiBhD,QAAIA,MAAM,CAACgxC,2BAAP,KAAuC,KAAK,CAA5C,IAAiDhxC,MAAM,CAACgxC,2BAAP,IAAsChxC,MAAM,CAAC8uC,qBAAlG,EAAyH;AACvH,YAAM,IAAIvxC,KAAJ,CAAU,yFAAV,CAAN;AACD;;AAED,QAAIyC,MAAM,CAAC+wC,sBAAP,KAAkC,KAAK,CAAvC,KAA6C/wC,MAAM,CAAC6uC,gBAAP,KAA4B,KAAK,CAAjC,IAAsC7uC,MAAM,CAAC+wC,sBAAP,IAAiC/wC,MAAM,CAAC6uC,gBAA3H,CAAJ,EAAkJ;AAChJ,YAAM,IAAItxC,KAAJ,CAAU,+EAAV,CAAN;AACD;;AAED0nB,gCAAU,CAACjlB,MAAM,CAACuS,KAAR,CAAV;AAEA,UAAKu5C,iBAAL,GAAyB,CAAC,CAA1B,CA3BgD,CA6BhD;;AAEA;;;;AAGA,QAAMpC,aAAa,GAAG,MAAKA,aAAL,GAAqB,IAAI1pD,MAAM,CAAC0pD,aAAX,kCAA3C,CAlCgD,CAkC2B;;AAC3E,QAAMC,gBAAgB,GAAG,IAAI3pD,MAAM,CAAC2pD,gBAAX,kCAAzB,CAnCgD,CAmCY;;AAC5D,QAAMC,kBAAkB,GAAG,MAAKA,kBAAL,GAA0B,IAAI5pD,MAAM,CAAC4pD,kBAAX,kCAArD,CApCgD,CAoC0C;;AAC1F,QAAMC,aAAa,GAAG,IAAI7pD,MAAM,CAAC6pD,aAAX,kCAAtB,CArCgD,CAqCM;;AACtD,QAAMsC,cAAc,GAAG,IAAIj0B,eAAJ,kCAAvB;AACA,QAAMk0B,cAAc,GAAG,IAAI7uB,eAAJ,kCAAvB;AACA,QAAM8uB,SAAS,GAAG,IAAI/tB,UAAJ,kCAAlB;AACA,QAAMguB,kBAAkB,GAAG,IAAItS,oBAAJ,kCAA3B,CAzCgD,CA2ChD;;AAEA;;;;AAGA,QAAM+R,eAAe,GAAG,MAAKA,eAAL,GAAuB,IAAInV,gCAAJ,kCAA/C,CAhDgD,CAkDhD;;AACA,QAAM9M,eAAe,GAAG,IAAI5K,gCAAJ,kCAAxB;AAEA;;;;AAGA,QAAMymB,gBAAgB,GAAG,MAAKA,gBAAL,GAAwB,IAAI3W,iBAAJ,mCAA2BlF,eAA3B,CAAjD;AAEA,QAAIkiB,kBAAkB,GAAG,CAACD,eAAD,EAAkBpG,gBAAlB,CAAzB,CA1DgD,CA4DhD;;AACA;;;;AAGA,QAAI4G,UAAU,GAAGvsD,MAAM,CAAC0qD,qBAAxB;;AACA,QAAI6B,UAAJ,EAAgB;AACdP,wBAAkB,CAACtnD,IAAnB,CAAwB,IAAI6nD,UAAJ,mCAAqBziB,eAArB,CAAxB;AACD;AAED;;;;;AAGA,UAAKkiB,kBAAL,GAA0BA,kBAA1B;AAEA;;;;AAGA,QAAMC,cAAc,GAAG,CACrBE,cADqB,EAErBC,cAFqB,EAGrBC,SAHqB,EAIrB3C,aAJqB,EAKrBC,gBALqB,EAMrBC,kBANqB,EAOrBC,aAPqB,EAQrByC,kBARqB,EASrBxiB,eATqB,CAAvB,CA7EgD,CAyFhD;;AACAyiB,cAAU,GAAGvsD,MAAM,CAAC6qD,oBAApB;;AACA,QAAI0B,UAAJ,EAAgB;AACd,UAAM1B,oBAAoB,GAAG,IAAI0B,UAAJ,kCAA7B;AAEA;;;;AAGA,YAAK1B,oBAAL,GAA4BA,oBAA5B;AACAoB,oBAAc,CAACvnD,IAAf,CAAoBmmD,oBAApB;AACD;;AAED0B,cAAU,GAAGvsD,MAAM,CAACsqD,uBAApB;;AACA,QAAIiC,UAAJ,EAAgB;AACd,UAAMjC,uBAAuB,GAAG,IAAIiC,UAAJ,kCAAhC;AAEA;;;;AAGA,YAAKjC,uBAAL,GAA+BA,uBAA/B;AACA0B,wBAAkB,CAACtnD,IAAnB,CAAwB4lD,uBAAxB;AACD;;AAEDiC,cAAU,GAAGvsD,MAAM,CAAC+qD,aAApB;;AACA,QAAIwB,UAAJ,EAAgB;AACd,UAAMxB,aAAa,GAAG,IAAIwB,UAAJ,kCAAtB;AAEA;;;;AAGA,YAAKxB,aAAL,GAAqBA,aAArB;AACAkB,oBAAc,CAACvnD,IAAf,CAAoBqmD,aAApB;AACD,KAzH+C,CA2HhD;;;AACAwB,cAAU,GAAGvsD,MAAM,CAACmqD,wBAApB;;AACA,QAAIoC,UAAJ,EAAgB;AACdP,wBAAkB,CAACtnD,IAAnB,CAAwB,IAAI6nD,UAAJ,mCAAqBziB,eAArB,CAAxB;AACD;;AACDyiB,cAAU,GAAGvsD,MAAM,CAACwqD,kBAApB;;AACA,QAAI+B,UAAJ,EAAgB;AACdN,oBAAc,CAACvnD,IAAf,CAAoB,IAAI6nD,UAAJ,kCAApB;AACD;AAED;;;;;AAGA,UAAKN,cAAL,GAAsBA,cAAtB;AAxIgD;AAyIjD;AAED;;;;;;;SAGAvsD,O,GAAA,mBAAW;AACTgB,oBAAM,CAACC,GAAP,CAAW,SAAX;AACA,SAAKW,OAAL,CAAagpB,iBAAS,CAACyC,UAAvB;AACA,SAAKy/B,WAAL;AACA,SAAKP,cAAL,CAAoBzxC,MAApB,CAA2B,KAAKwxC,kBAAhC,EAAoDl5C,OAApD,CAA4D,UAAA25C,SAAS,EAAI;AACvEA,eAAS,CAAC/sD,OAAV;AACD,KAFD;AAGA,SAAKgnB,GAAL,GAAW,IAAX;AACA,SAAK6d,kBAAL;AACA,SAAKunB,iBAAL,GAAyB,CAAC,CAA1B;AACD;AAED;;;;;;SAIAY,W,GAAA,qBAAa92B,KAAb,EAAsC;AACpCl1B,oBAAM,CAACC,GAAP,CAAW,aAAX;AACA,SAAKi1B,KAAL,GAAaA,KAAb;AACA,SAAKt0B,OAAL,CAAagpB,iBAAS,CAACC,eAAvB,EAAwC;AAAEqL,WAAK,EAAEA;AAAT,KAAxC;AACD;AAED;;;;;SAGA42B,W,GAAA,uBAAe;AACb9rD,oBAAM,CAACC,GAAP,CAAW,aAAX;AACA,SAAKW,OAAL,CAAagpB,iBAAS,CAACG,eAAvB;AACA,SAAKmL,KAAL,GAAa,IAAb;AACD;AAED;;;;;;SAIA+2B,U,GAAA,oBAAYjmC,GAAZ,EAAyB;AACvBA,OAAG,GAAGiO,+BAAA,CAA4BsD,MAAM,CAAC20B,QAAP,CAAgBC,IAA5C,EAAkDnmC,GAAlD,EAAuD;AAAEqI,qBAAe,EAAE;AAAnB,KAAvD,CAAN;AACAruB,oBAAM,CAACC,GAAP,iBAAyB+lB,GAAzB;AACA,SAAKA,GAAL,GAAWA,GAAX,CAHuB,CAIvB;;AACA,SAAKplB,OAAL,CAAagpB,iBAAS,CAACa,gBAAvB,EAAyC;AAAEzE,SAAG,EAAEA;AAAP,KAAzC;AACD;AAED;;;;;;;;;SAOAmnB,S,GAAA,mBAAWY,aAAX,EAAuC;AAAA,QAA5BA,aAA4B;AAA5BA,mBAA4B,GAAJ,CAAC,CAAG;AAAA;;AACrC/tC,oBAAM,CAACC,GAAP,gBAAwB8tC,aAAxB;AACA,SAAKud,kBAAL,CAAwBl5C,OAAxB,CAAgC,UAAAg6C,UAAU,EAAI;AAC5CA,gBAAU,CAACjf,SAAX,CAAqBY,aAArB;AACD,KAFD;AAGD;AAED;;;;;SAGAX,Q,GAAA,oBAAY;AACVptC,oBAAM,CAACC,GAAP,CAAW,UAAX;AACA,SAAKqrD,kBAAL,CAAwBl5C,OAAxB,CAAgC,UAAAg6C,UAAU,EAAI;AAC5CA,gBAAU,CAAChf,QAAX;AACD,KAFD;AAGD;AAED;;;;;SAGAwI,c,GAAA,0BAAkB;AAChB51C,oBAAM,CAACC,GAAP,CAAW,gBAAX;AACA,SAAKglD,gBAAL,CAAsBrP,cAAtB;AACD;AAED;;;;;;;;SAMAyW,iB,GAAA,6BAAqB;AACnBrsD,oBAAM,CAACC,GAAP,CAAW,mBAAX;AACA,QAAIi1B,KAAK,GAAG,KAAKA,KAAjB;AACA,SAAK42B,WAAL;;AACA,QAAI52B,KAAJ,EAAW;AACT,WAAK82B,WAAL,CAAiB92B,KAAjB;AACD;AACF;AAED;;;AAGA;;;;;wBACqB;AACnB,aAAO,KAAKm2B,eAAL,CAAqBj3B,MAA5B;AACD;AAED;;;;;;;wBAI4B;AAC1B,aAAO,KAAK6wB,gBAAL,CAAsBvR,YAA7B;AACD;AAED;;;;;;;sBAMkBgE,Q,EAAkB;AAClC13C,sBAAM,CAACC,GAAP,uBAA+By3C,QAA/B;AACA,WAAKf,SAAL,GAAiBe,QAAjB;AACA,WAAKuN,gBAAL,CAAsBxT,oBAAtB;AACD;AAED;;;;;;;wBAIyB;AACvB,aAAO,KAAKwT,gBAAL,CAAsB5S,SAA7B;AACD;AAED;;;;;;;sBAMeqF,Q,EAAkB;AAC/B13C,sBAAM,CAACC,GAAP,oBAA4By3C,QAA5B;AACA,WAAK2T,eAAL,CAAqBiB,WAArB,GAAmC5U,QAAnC;AACA,WAAKuN,gBAAL,CAAsBhT,eAAtB;AACD;AAED;;;;;;;wBAIyB;AACvB,aAAO,KAAKoZ,eAAL,CAAqB97B,KAA5B;AACD;AAED;;;;;;;sBAMemoB,Q,EAAkB;AAC/B13C,sBAAM,CAACC,GAAP,oBAA4By3C,QAA5B;AACA,WAAK2T,eAAL,CAAqBiB,WAArB,GAAmC5U,QAAnC;AACD;AAED;;;;;;;wBAI6B;AAC3B,aAAO,KAAK2T,eAAL,CAAqBvc,aAA5B;AACD;AAED;;;;;;sBAKmBvf,K,EAAe;AAChC,WAAK87B,eAAL,CAAqBvc,aAArB,GAAqCvf,KAArC;AACD;AAED;;;;;;;;wBAK0B;AACxB,aAAO/nB,IAAI,CAAC+U,GAAL,CAAS,KAAK8uC,eAAL,CAAqB/T,UAA9B,EAA0C,KAAKiG,YAA/C,CAAP;AACD;AAED;;;;;sBAIgB7F,Q,EAAkB;AAChC13C,sBAAM,CAACC,GAAP,qBAA6By3C,QAA7B;AACA,WAAK2T,eAAL,CAAqB/T,UAArB,GAAkCI,QAAlC;AACD;AAED;;;;;;;;;;wBAO0B;AACxB,aAAO,KAAK2T,eAAL,CAAqBxc,UAA5B;AACD;AAED;;;;;;;;sBAOgB6I,Q,EAAkB;AAChC13C,sBAAM,CAACC,GAAP,qBAA6By3C,QAA7B,EADgC,CAEhC;;AACA,UAAIA,QAAQ,KAAK,CAAC,CAAlB,EAAqB;AACnBA,gBAAQ,GAAGlwC,IAAI,CAAC+U,GAAL,CAASm7B,QAAT,EAAmB,KAAK6F,YAAxB,CAAX;AACD;;AAED,WAAK8N,eAAL,CAAqBxc,UAArB,GAAkC6I,QAAlC;AACD;AAED;;;;;;;;sBAK0B6U,kB,EAA6B;AACrD,UAAMC,uBAAuB,GAAG,CAAC,CAACD,kBAAlC;;AAEA,UAAIC,uBAAuB,KAAK,KAAKltD,MAAL,CAAYglD,oBAA5C,EAAkE;AAChE,YAAIkI,uBAAJ,EAA6B;AAC3B,eAAKtD,kBAAL,CAAwBtE,YAAxB,GAD2B,CACa;AACzC,SAFD,MAEO;AACL,eAAKsE,kBAAL,CAAwB3E,WAAxB;AACA,eAAKH,gBAAL,GAAwB,CAAC,CAAzB;AACA,eAAKa,gBAAL,CAAsBhT,eAAtB,GAHK,CAGoC;AAC1C;;AAED,aAAK3yC,MAAL,CAAYglD,oBAAZ,GAAmCkI,uBAAnC;AACD;AACF;AAED;;;;;;;wBAIgC;AAC9B,aAAO,KAAKpB,iBAAZ;AACD;AAED;;;;;;AASA;;;;sBAIsB1T,Q,EAAkB;AACtC13C,sBAAM,CAACC,GAAP,2BAAmCy3C,QAAnC;AACA,WAAK0T,iBAAL,GAAyB1T,QAAzB;AACD;AAED;;;;;;;wBAdiC;AAC/B,UAAMyH,WAAW,GAAG,KAAK6J,aAAL,CAAmBpM,YAAvC;AACA,aAAOuC,WAAW,GAAGA,WAAW,CAAC3D,WAAZ,EAAH,GAA+BiR,GAAjD;AACD;;;wBAegC;AAC/B,aAAQ,KAAKpB,eAAL,CAAqBiB,WAArB,KAAqC,CAAC,CAA9C;AACD;AAED;;;;;;;wBAI2B;AACzB,aAAO,KAAKjB,eAAL,CAAqBiB,WAA5B;AACD;AAED;;;;;;;wBAI4B;AAAA,UAClBl4B,MADkB,GACqB,IADrB,CAClBA,MADkB;AAAA,UACAg1B,cADA,GACqB,IADrB,CACV9pD,MADU,CACA8pD,cADA;AAE1B,UAAMvkD,GAAG,GAAGuvB,MAAM,GAAGA,MAAM,CAACz3B,MAAV,GAAmB,CAArC;;AAEA,WAAK,IAAIrB,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGuJ,GAApB,EAAyBvJ,CAAC,EAA1B,EAA8B;AAC5B,YAAM2iD,gBAAgB,GAAG7pB,MAAM,CAAC94B,CAAD,CAAN,CAAUsiD,WAAV,GACrBp2C,IAAI,CAAC+U,GAAL,CAAS6X,MAAM,CAAC94B,CAAD,CAAN,CAAUsiD,WAAnB,EAAgCxpB,MAAM,CAAC94B,CAAD,CAAN,CAAUq5B,OAA1C,CADqB,GAErBP,MAAM,CAAC94B,CAAD,CAAN,CAAUq5B,OAFd;;AAIA,YAAIspB,gBAAgB,GAAGmL,cAAvB,EAAuC;AACrC,iBAAO9tD,CAAP;AACD;AACF;;AAED,aAAO,CAAP;AACD;AAED;;;;;;;wBAI4B;AAAA,UAClB84B,MADkB,GACW,IADX,CAClBA,MADkB;AAAA,UACVgwB,gBADU,GACW,IADX,CACVA,gBADU;AAG1B,UAAIzF,YAAJ;;AACA,UAAIyF,gBAAgB,KAAK,CAAC,CAAtB,IAA2BhwB,MAA3B,IAAqCA,MAAM,CAACz3B,MAAhD,EAAwD;AACtDgiD,oBAAY,GAAGvqB,MAAM,CAACz3B,MAAP,GAAgB,CAA/B;AACD,OAFD,MAEO;AACLgiD,oBAAY,GAAGyF,gBAAf;AACD;;AAED,aAAOzF,YAAP;AACD;AAED;;;;;;;wBAI6B;AAC3B;AACA,aAAOn3C,IAAI,CAACC,GAAL,CAASD,IAAI,CAAC+U,GAAL,CAAS,KAAKysC,aAAL,CAAmB7Q,aAA5B,EAA2C,KAAKoF,YAAhD,CAAT,EAAwE,KAAKoB,YAA7E,CAAP;AACD;AAED;;;;;;;;;sBAQmBtM,S,EAAmB;AACpC,WAAK2W,aAAL,CAAmB7Q,aAAnB,GAAmC3wC,IAAI,CAAC+U,GAAL,CAAS,KAAKghC,YAAd,EAA4BlL,SAA5B,CAAnC;AACD;AAED;;;AAGA;;;;wBAC0B;AACxB,UAAM8X,oBAAoB,GAAG,KAAKA,oBAAlC;AACA,aAAOA,oBAAoB,GAAGA,oBAAoB,CAAChvB,WAAxB,GAAsC,EAAjE;AACD;AAED;;;;;;;wBAI0B;AACxB,UAAMgvB,oBAAoB,GAAG,KAAKA,oBAAlC;AACA,aAAOA,oBAAoB,GAAGA,oBAAoB,CAAC/7C,UAAxB,GAAqC,CAAC,CAAjE;AACD;AAED;;;;;sBAIgBs+C,Y,EAAsB;AACpC,UAAMvC,oBAAoB,GAAG,KAAKA,oBAAlC;;AACA,UAAIA,oBAAJ,EAA0B;AACxBA,4BAAoB,CAAC/7C,UAArB,GAAkCs+C,YAAlC;AACD;AACF;AAED;;;;;;wBAGgC;AAC9B,aAAO,KAAKzH,gBAAL,CAAsB1U,gBAA7B;AACD;AAED;;;;AAIA;;;;wBAC6B;AAC3B,UAAMqZ,uBAAuB,GAAG,KAAKA,uBAArC;AACA,aAAOA,uBAAuB,GAAGA,uBAAuB,CAAC+C,cAA3B,GAA4C,EAA1E;AACD;AAED;;;;;;;wBAI6B;AAC3B,UAAM/C,uBAAuB,GAAG,KAAKA,uBAArC;AACA,aAAOA,uBAAuB,GAAGA,uBAAuB,CAACgD,aAA3B,GAA2C,CAAC,CAA1E;AACD;AAED;;;;;sBAImBC,e,EAAyB;AAC1C,UAAMjD,uBAAuB,GAAG,KAAKA,uBAArC;;AACA,UAAIA,uBAAJ,EAA6B;AAC3BA,+BAAuB,CAACgD,aAAxB,GAAwCC,eAAxC;AACD;AACF;AAED;;;;;;wBAGgC;AAC9B,UAAMjD,uBAAuB,GAAG,KAAKA,uBAArC;AACA,aAAOA,uBAAuB,GAAGA,uBAAuB,CAACkD,eAA3B,GAA6C,KAA3E;AACD;AAED;;;;;sBAIqBz4C,K,EAAgB;AACnC,UAAMu1C,uBAAuB,GAAG,KAAKA,uBAArC;;AACA,UAAIA,uBAAJ,EAA6B;AAC3BA,+BAAuB,CAACkD,eAAxB,GAA0Cz4C,KAA1C;AACD;AACF;;;;EAnoB8BquB,Q;;AAAZsoB,O,CACLE,a;;;;;;;;;;;;;AC9BhB;AAAA;AAAO,IAAM6B,cAAc,GAAGn7B,MAAM,CAACtI,QAAP,IAAmB,UAAUjV,KAAV,EAAiB;AAChE,SAAO,OAAOA,KAAP,KAAiB,QAAjB,IAA6BiV,QAAQ,CAACjV,KAAD,CAA5C;AACD,CAFM,C;;;;;;;;;;;;ACAP;AAAA;AAAO,SAASlV,YAAT,GAAyB;AAC9B;AACA,MAAI,OAAOo4B,MAAP,KAAkB,WAAtB,EAAmC;AACjC;AACA,WAAO7T,IAAP;AACD,GAHD,MAGO;AACL,WAAO6T,MAAP;AACD;AACF,C;;;;;;;;;;;;ACRD;AAAA;AAAA;AAAA;AAAA;;AAEA,SAASy1B,IAAT,GAAwB,CAAE;;AAE1B,IAAMC,UAAU,GAAG;AACjBprC,OAAK,EAAEmrC,IADU;AAEjBn7C,OAAK,EAAEm7C,IAFU;AAGjB/sD,KAAG,EAAE+sD,IAHY;AAIjBhgD,MAAI,EAAEggD,IAJW;AAKjB/nC,MAAI,EAAE+nC,IALW;AAMjBtsD,OAAK,EAAEssD;AANU,CAAnB;AASA,IAAIE,cAAc,GAAGD,UAArB,C,CAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA,SAASE,SAAT,CAAoBpsD,IAApB,EAA0BqsD,GAA1B,EAA+B;AAC7BA,KAAG,GAAG,MAAMrsD,IAAN,GAAa,MAAb,GAAsBqsD,GAA5B;AACA,SAAOA,GAAP;AACD;;AAED,IAAMluD,MAAM,GAAGC,oEAAY,EAA3B;;AAEA,SAASkuD,cAAT,CAAyBtsD,IAAzB,EAA+B;AAC7B,MAAMusD,IAAI,GAAGpuD,MAAM,CAACspB,OAAP,CAAeznB,IAAf,CAAb;;AACA,MAAIusD,IAAJ,EAAU;AACR,WAAO,YAAmB;AAAA,wCAANC,IAAM;AAANA,YAAM;AAAA;;AACxB,UAAIA,IAAI,CAAC,CAAD,CAAR,EAAa;AACXA,YAAI,CAAC,CAAD,CAAJ,GAAUJ,SAAS,CAACpsD,IAAD,EAAOwsD,IAAI,CAAC,CAAD,CAAX,CAAnB;AACD;;AAEDD,UAAI,CAACzzC,KAAL,CAAW3a,MAAM,CAACspB,OAAlB,EAA2B+kC,IAA3B;AACD,KAND;AAOD;;AACD,SAAOP,IAAP;AACD;;AAED,SAASQ,qBAAT,CAAgCC,WAAhC,EAA2D;AAAA,qCAAXC,SAAW;AAAXA,aAAW;AAAA;;AACzDA,WAAS,CAACt7C,OAAV,CAAkB,UAAUrR,IAAV,EAAgB;AAChCmsD,kBAAc,CAACnsD,IAAD,CAAd,GAAuB0sD,WAAW,CAAC1sD,IAAD,CAAX,GAAoB0sD,WAAW,CAAC1sD,IAAD,CAAX,CAAkBgJ,IAAlB,CAAuB0jD,WAAvB,CAApB,GAA0DJ,cAAc,CAACtsD,IAAD,CAA/F;AACD,GAFD;AAGD;;AAEM,IAAMwjB,UAAU,GAAG,SAAbA,UAAa,CAAUkpC,WAAV,EAAuB;AAC/C;AACA,MAAKvuD,MAAM,CAACspB,OAAP,IAAkBilC,WAAW,KAAK,IAAnC,IAA4C,OAAOA,WAAP,KAAuB,QAAvE,EAAiF;AAC/ED,yBAAqB,CAACC,WAAD,EACnB;AACA;AACA,WAHmB,EAInB,KAJmB,EAKnB,MALmB,EAMnB,MANmB,EAOnB,OAPmB,CAArB,CAD+E,CAU/E;AACA;;AACA,QAAI;AACFP,oBAAc,CAACjtD,GAAf;AACD,KAFD,CAEE,OAAON,CAAP,EAAU;AACVutD,oBAAc,GAAGD,UAAjB;AACD;AACF,GAjBD,MAiBO;AACLC,kBAAc,GAAGD,UAAjB;AACD;AACF,CAtBM;AAwBA,IAAMjtD,MAAM,GAAGktD,cAAf,C","file":"hls.light.js","sourcesContent":["(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"Hls\"] = factory();\n\telse\n\t\troot[\"Hls\"] = factory();\n})(this, function() {\nreturn "," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId]) {\n \t\t\treturn installedModules[moduleId].exports;\n \t\t}\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\ti: moduleId,\n \t\t\tl: false,\n \t\t\texports: {}\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, { enumerable: true, get: getter });\n \t\t}\n \t};\n\n \t// define __esModule on exports\n \t__webpack_require__.r = function(exports) {\n \t\tif(typeof Symbol !== 'undefined' && Symbol.toStringTag) {\n \t\t\tObject.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });\n \t\t}\n \t\tObject.defineProperty(exports, '__esModule', { value: true });\n \t};\n\n \t// create a fake namespace object\n \t// mode & 1: value is a module id, require it\n \t// mode & 2: merge all properties of value into the ns\n \t// mode & 4: return value when already ns object\n \t// mode & 8|1: behave like require\n \t__webpack_require__.t = function(value, mode) {\n \t\tif(mode & 1) value = __webpack_require__(value);\n \t\tif(mode & 8) return value;\n \t\tif((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;\n \t\tvar ns = Object.create(null);\n \t\t__webpack_require__.r(ns);\n \t\tObject.defineProperty(ns, 'default', { enumerable: true, value: value });\n \t\tif(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));\n \t\treturn ns;\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"/dist/\";\n\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = \"./src/hls.ts\");\n","'use strict';\n\nvar has = Object.prototype.hasOwnProperty\n , prefix = '~';\n\n/**\n * Constructor to create a storage for our `EE` objects.\n * An `Events` instance is a plain object whose properties are event names.\n *\n * @constructor\n * @private\n */\nfunction Events() {}\n\n//\n// We try to not inherit from `Object.prototype`. In some engines creating an\n// instance in this way is faster than calling `Object.create(null)` directly.\n// If `Object.create(null)` is not supported we prefix the event names with a\n// character to make sure that the built-in object properties are not\n// overridden or used as an attack vector.\n//\nif (Object.create) {\n Events.prototype = Object.create(null);\n\n //\n // This hack is needed because the `__proto__` property is still inherited in\n // some old browsers like Android 4, iPhone 5.1, Opera 11 and Safari 5.\n //\n if (!new Events().__proto__) prefix = false;\n}\n\n/**\n * Representation of a single event listener.\n *\n * @param {Function} fn The listener function.\n * @param {*} context The context to invoke the listener with.\n * @param {Boolean} [once=false] Specify if the listener is a one-time listener.\n * @constructor\n * @private\n */\nfunction EE(fn, context, once) {\n this.fn = fn;\n this.context = context;\n this.once = once || false;\n}\n\n/**\n * Add a listener for a given event.\n *\n * @param {EventEmitter} emitter Reference to the `EventEmitter` instance.\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} context The context to invoke the listener with.\n * @param {Boolean} once Specify if the listener is a one-time listener.\n * @returns {EventEmitter}\n * @private\n */\nfunction addListener(emitter, event, fn, context, once) {\n if (typeof fn !== 'function') {\n throw new TypeError('The listener must be a function');\n }\n\n var listener = new EE(fn, context || emitter, once)\n , evt = prefix ? prefix + event : event;\n\n if (!emitter._events[evt]) emitter._events[evt] = listener, emitter._eventsCount++;\n else if (!emitter._events[evt].fn) emitter._events[evt].push(listener);\n else emitter._events[evt] = [emitter._events[evt], listener];\n\n return emitter;\n}\n\n/**\n * Clear event by name.\n *\n * @param {EventEmitter} emitter Reference to the `EventEmitter` instance.\n * @param {(String|Symbol)} evt The Event name.\n * @private\n */\nfunction clearEvent(emitter, evt) {\n if (--emitter._eventsCount === 0) emitter._events = new Events();\n else delete emitter._events[evt];\n}\n\n/**\n * Minimal `EventEmitter` interface that is molded against the Node.js\n * `EventEmitter` interface.\n *\n * @constructor\n * @public\n */\nfunction EventEmitter() {\n this._events = new Events();\n this._eventsCount = 0;\n}\n\n/**\n * Return an array listing the events for which the emitter has registered\n * listeners.\n *\n * @returns {Array}\n * @public\n */\nEventEmitter.prototype.eventNames = function eventNames() {\n var names = []\n , events\n , name;\n\n if (this._eventsCount === 0) return names;\n\n for (name in (events = this._events)) {\n if (has.call(events, name)) names.push(prefix ? name.slice(1) : name);\n }\n\n if (Object.getOwnPropertySymbols) {\n return names.concat(Object.getOwnPropertySymbols(events));\n }\n\n return names;\n};\n\n/**\n * Return the listeners registered for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Array} The registered listeners.\n * @public\n */\nEventEmitter.prototype.listeners = function listeners(event) {\n var evt = prefix ? prefix + event : event\n , handlers = this._events[evt];\n\n if (!handlers) return [];\n if (handlers.fn) return [handlers.fn];\n\n for (var i = 0, l = handlers.length, ee = new Array(l); i < l; i++) {\n ee[i] = handlers[i].fn;\n }\n\n return ee;\n};\n\n/**\n * Return the number of listeners listening to a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Number} The number of listeners.\n * @public\n */\nEventEmitter.prototype.listenerCount = function listenerCount(event) {\n var evt = prefix ? prefix + event : event\n , listeners = this._events[evt];\n\n if (!listeners) return 0;\n if (listeners.fn) return 1;\n return listeners.length;\n};\n\n/**\n * Calls each of the listeners registered for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Boolean} `true` if the event had listeners, else `false`.\n * @public\n */\nEventEmitter.prototype.emit = function emit(event, a1, a2, a3, a4, a5) {\n var evt = prefix ? prefix + event : event;\n\n if (!this._events[evt]) return false;\n\n var listeners = this._events[evt]\n , len = arguments.length\n , args\n , i;\n\n if (listeners.fn) {\n if (listeners.once) this.removeListener(event, listeners.fn, undefined, true);\n\n switch (len) {\n case 1: return listeners.fn.call(listeners.context), true;\n case 2: return listeners.fn.call(listeners.context, a1), true;\n case 3: return listeners.fn.call(listeners.context, a1, a2), true;\n case 4: return listeners.fn.call(listeners.context, a1, a2, a3), true;\n case 5: return listeners.fn.call(listeners.context, a1, a2, a3, a4), true;\n case 6: return listeners.fn.call(listeners.context, a1, a2, a3, a4, a5), true;\n }\n\n for (i = 1, args = new Array(len -1); i < len; i++) {\n args[i - 1] = arguments[i];\n }\n\n listeners.fn.apply(listeners.context, args);\n } else {\n var length = listeners.length\n , j;\n\n for (i = 0; i < length; i++) {\n if (listeners[i].once) this.removeListener(event, listeners[i].fn, undefined, true);\n\n switch (len) {\n case 1: listeners[i].fn.call(listeners[i].context); break;\n case 2: listeners[i].fn.call(listeners[i].context, a1); break;\n case 3: listeners[i].fn.call(listeners[i].context, a1, a2); break;\n case 4: listeners[i].fn.call(listeners[i].context, a1, a2, a3); break;\n default:\n if (!args) for (j = 1, args = new Array(len -1); j < len; j++) {\n args[j - 1] = arguments[j];\n }\n\n listeners[i].fn.apply(listeners[i].context, args);\n }\n }\n }\n\n return true;\n};\n\n/**\n * Add a listener for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} [context=this] The context to invoke the listener with.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.on = function on(event, fn, context) {\n return addListener(this, event, fn, context, false);\n};\n\n/**\n * Add a one-time listener for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} [context=this] The context to invoke the listener with.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.once = function once(event, fn, context) {\n return addListener(this, event, fn, context, true);\n};\n\n/**\n * Remove the listeners of a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn Only remove the listeners that match this function.\n * @param {*} context Only remove the listeners that have this context.\n * @param {Boolean} once Only remove one-time listeners.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.removeListener = function removeListener(event, fn, context, once) {\n var evt = prefix ? prefix + event : event;\n\n if (!this._events[evt]) return this;\n if (!fn) {\n clearEvent(this, evt);\n return this;\n }\n\n var listeners = this._events[evt];\n\n if (listeners.fn) {\n if (\n listeners.fn === fn &&\n (!once || listeners.once) &&\n (!context || listeners.context === context)\n ) {\n clearEvent(this, evt);\n }\n } else {\n for (var i = 0, events = [], length = listeners.length; i < length; i++) {\n if (\n listeners[i].fn !== fn ||\n (once && !listeners[i].once) ||\n (context && listeners[i].context !== context)\n ) {\n events.push(listeners[i]);\n }\n }\n\n //\n // Reset the array, or remove it completely if we have no more listeners.\n //\n if (events.length) this._events[evt] = events.length === 1 ? events[0] : events;\n else clearEvent(this, evt);\n }\n\n return this;\n};\n\n/**\n * Remove all listeners, or those of the specified event.\n *\n * @param {(String|Symbol)} [event] The event name.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.removeAllListeners = function removeAllListeners(event) {\n var evt;\n\n if (event) {\n evt = prefix ? prefix + event : event;\n if (this._events[evt]) clearEvent(this, evt);\n } else {\n this._events = new Events();\n this._eventsCount = 0;\n }\n\n return this;\n};\n\n//\n// Alias methods names because people roll like that.\n//\nEventEmitter.prototype.off = EventEmitter.prototype.removeListener;\nEventEmitter.prototype.addListener = EventEmitter.prototype.on;\n\n//\n// Expose the prefix.\n//\nEventEmitter.prefixed = prefix;\n\n//\n// Allow `EventEmitter` to be imported as module namespace.\n//\nEventEmitter.EventEmitter = EventEmitter;\n\n//\n// Expose the module.\n//\nif ('undefined' !== typeof module) {\n module.exports = EventEmitter;\n}\n","// see https://tools.ietf.org/html/rfc1808\n\n/* jshint ignore:start */\n(function(root) { \n/* jshint ignore:end */\n\n var URL_REGEX = /^((?:[a-zA-Z0-9+\\-.]+:)?)(\\/\\/[^\\/?#]*)?((?:[^\\/\\?#]*\\/)*.*?)??(;.*?)?(\\?.*?)?(#.*?)?$/;\n var FIRST_SEGMENT_REGEX = /^([^\\/?#]*)(.*)$/;\n var SLASH_DOT_REGEX = /(?:\\/|^)\\.(?=\\/)/g;\n var SLASH_DOT_DOT_REGEX = /(?:\\/|^)\\.\\.\\/(?!\\.\\.\\/).*?(?=\\/)/g;\n\n var URLToolkit = { // jshint ignore:line\n // If opts.alwaysNormalize is true then the path will always be normalized even when it starts with / or //\n // E.g\n // With opts.alwaysNormalize = false (default, spec compliant)\n // http://a.com/b/cd + /e/f/../g => http://a.com/e/f/../g\n // With opts.alwaysNormalize = true (not spec compliant)\n // http://a.com/b/cd + /e/f/../g => http://a.com/e/g\n buildAbsoluteURL: function(baseURL, relativeURL, opts) {\n opts = opts || {};\n // remove any remaining space and CRLF\n baseURL = baseURL.trim();\n relativeURL = relativeURL.trim();\n if (!relativeURL) {\n // 2a) If the embedded URL is entirely empty, it inherits the\n // entire base URL (i.e., is set equal to the base URL)\n // and we are done.\n if (!opts.alwaysNormalize) {\n return baseURL;\n }\n var basePartsForNormalise = URLToolkit.parseURL(baseURL);\n if (!basePartsForNormalise) {\n throw new Error('Error trying to parse base URL.');\n }\n basePartsForNormalise.path = URLToolkit.normalizePath(basePartsForNormalise.path);\n return URLToolkit.buildURLFromParts(basePartsForNormalise);\n }\n var relativeParts = URLToolkit.parseURL(relativeURL);\n if (!relativeParts) {\n throw new Error('Error trying to parse relative URL.');\n }\n if (relativeParts.scheme) {\n // 2b) If the embedded URL starts with a scheme name, it is\n // interpreted as an absolute URL and we are done.\n if (!opts.alwaysNormalize) {\n return relativeURL;\n }\n relativeParts.path = URLToolkit.normalizePath(relativeParts.path);\n return URLToolkit.buildURLFromParts(relativeParts);\n }\n var baseParts = URLToolkit.parseURL(baseURL);\n if (!baseParts) {\n throw new Error('Error trying to parse base URL.');\n }\n if (!baseParts.netLoc && baseParts.path && baseParts.path[0] !== '/') {\n // If netLoc missing and path doesn't start with '/', assume everthing before the first '/' is the netLoc\n // This causes 'example.com/a' to be handled as '//example.com/a' instead of '/example.com/a'\n var pathParts = FIRST_SEGMENT_REGEX.exec(baseParts.path);\n baseParts.netLoc = pathParts[1];\n baseParts.path = pathParts[2];\n }\n if (baseParts.netLoc && !baseParts.path) {\n baseParts.path = '/';\n }\n var builtParts = {\n // 2c) Otherwise, the embedded URL inherits the scheme of\n // the base URL.\n scheme: baseParts.scheme,\n netLoc: relativeParts.netLoc,\n path: null,\n params: relativeParts.params,\n query: relativeParts.query,\n fragment: relativeParts.fragment\n };\n if (!relativeParts.netLoc) {\n // 3) If the embedded URL's <net_loc> is non-empty, we skip to\n // Step 7. Otherwise, the embedded URL inherits the <net_loc>\n // (if any) of the base URL.\n builtParts.netLoc = baseParts.netLoc;\n // 4) If the embedded URL path is preceded by a slash \"/\", the\n // path is not relative and we skip to Step 7.\n if (relativeParts.path[0] !== '/') {\n if (!relativeParts.path) {\n // 5) If the embedded URL path is empty (and not preceded by a\n // slash), then the embedded URL inherits the base URL path\n builtParts.path = baseParts.path;\n // 5a) if the embedded URL's <params> is non-empty, we skip to\n // step 7; otherwise, it inherits the <params> of the base\n // URL (if any) and\n if (!relativeParts.params) {\n builtParts.params = baseParts.params;\n // 5b) if the embedded URL's <query> is non-empty, we skip to\n // step 7; otherwise, it inherits the <query> of the base\n // URL (if any) and we skip to step 7.\n if (!relativeParts.query) {\n builtParts.query = baseParts.query;\n }\n }\n } else {\n // 6) The last segment of the base URL's path (anything\n // following the rightmost slash \"/\", or the entire path if no\n // slash is present) is removed and the embedded URL's path is\n // appended in its place.\n var baseURLPath = baseParts.path;\n var newPath = baseURLPath.substring(0, baseURLPath.lastIndexOf('/') + 1) + relativeParts.path;\n builtParts.path = URLToolkit.normalizePath(newPath);\n }\n }\n }\n if (builtParts.path === null) {\n builtParts.path = opts.alwaysNormalize ? URLToolkit.normalizePath(relativeParts.path) : relativeParts.path;\n }\n return URLToolkit.buildURLFromParts(builtParts);\n },\n parseURL: function(url) {\n var parts = URL_REGEX.exec(url);\n if (!parts) {\n return null;\n }\n return {\n scheme: parts[1] || '',\n netLoc: parts[2] || '',\n path: parts[3] || '',\n params: parts[4] || '',\n query: parts[5] || '',\n fragment: parts[6] || ''\n };\n },\n normalizePath: function(path) {\n // The following operations are\n // then applied, in order, to the new path:\n // 6a) All occurrences of \"./\", where \".\" is a complete path\n // segment, are removed.\n // 6b) If the path ends with \".\" as a complete path segment,\n // that \".\" is removed.\n path = path.split('').reverse().join('').replace(SLASH_DOT_REGEX, '');\n // 6c) All occurrences of \"<segment>/../\", where <segment> is a\n // complete path segment not equal to \"..\", are removed.\n // Removal of these path segments is performed iteratively,\n // removing the leftmost matching pattern on each iteration,\n // until no matching pattern remains.\n // 6d) If the path ends with \"<segment>/..\", where <segment> is a\n // complete path segment not equal to \"..\", that\n // \"<segment>/..\" is removed.\n while (path.length !== (path = path.replace(SLASH_DOT_DOT_REGEX, '')).length) {} // jshint ignore:line\n return path.split('').reverse().join('');\n },\n buildURLFromParts: function(parts) {\n return parts.scheme + parts.netLoc + parts.path + parts.params + parts.query + parts.fragment;\n }\n };\n\n/* jshint ignore:start */\n if(typeof exports === 'object' && typeof module === 'object')\n module.exports = URLToolkit;\n else if(typeof define === 'function' && define.amd)\n define([], function() { return URLToolkit; });\n else if(typeof exports === 'object')\n exports[\"URLToolkit\"] = URLToolkit;\n else\n root[\"URLToolkit\"] = URLToolkit;\n})(this);\n/* jshint ignore:end */\n","function webpackBootstrapFunc (modules) {\n/******/ // The module cache\n/******/ var installedModules = {};\n\n/******/ // The require function\n/******/ function __webpack_require__(moduleId) {\n\n/******/ // Check if module is in cache\n/******/ if(installedModules[moduleId])\n/******/ return installedModules[moduleId].exports;\n\n/******/ // Create a new module (and put it into the cache)\n/******/ var module = installedModules[moduleId] = {\n/******/ i: moduleId,\n/******/ l: false,\n/******/ exports: {}\n/******/ };\n\n/******/ // Execute the module function\n/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n/******/ // Flag the module as loaded\n/******/ module.l = true;\n\n/******/ // Return the exports of the module\n/******/ return module.exports;\n/******/ }\n\n/******/ // expose the modules object (__webpack_modules__)\n/******/ __webpack_require__.m = modules;\n\n/******/ // expose the module cache\n/******/ __webpack_require__.c = installedModules;\n\n/******/ // identity function for calling harmony imports with the correct context\n/******/ __webpack_require__.i = function(value) { return value; };\n\n/******/ // define getter function for harmony exports\n/******/ __webpack_require__.d = function(exports, name, getter) {\n/******/ if(!__webpack_require__.o(exports, name)) {\n/******/ Object.defineProperty(exports, name, {\n/******/ configurable: false,\n/******/ enumerable: true,\n/******/ get: getter\n/******/ });\n/******/ }\n/******/ };\n\n/******/ // define __esModule on exports\n/******/ __webpack_require__.r = function(exports) {\n/******/ Object.defineProperty(exports, '__esModule', { value: true });\n/******/ };\n\n/******/ // getDefaultExport function for compatibility with non-harmony modules\n/******/ __webpack_require__.n = function(module) {\n/******/ var getter = module && module.__esModule ?\n/******/ function getDefault() { return module['default']; } :\n/******/ function getModuleExports() { return module; };\n/******/ __webpack_require__.d(getter, 'a', getter);\n/******/ return getter;\n/******/ };\n\n/******/ // Object.prototype.hasOwnProperty.call\n/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n/******/ // __webpack_public_path__\n/******/ __webpack_require__.p = \"/\";\n\n/******/ // on error function for async loading\n/******/ __webpack_require__.oe = function(err) { console.error(err); throw err; };\n\n var f = __webpack_require__(__webpack_require__.s = ENTRY_MODULE)\n return f.default || f // try to call default if defined to also support babel esmodule exports\n}\n\nvar moduleNameReqExp = '[\\\\.|\\\\-|\\\\+|\\\\w|\\/|@]+'\nvar dependencyRegExp = '\\\\(\\\\s*(\\/\\\\*.*?\\\\*\\/)?\\\\s*.*?(' + moduleNameReqExp + ').*?\\\\)' // additional chars when output.pathinfo is true\n\n// http://stackoverflow.com/a/2593661/130442\nfunction quoteRegExp (str) {\n return (str + '').replace(/[.?*+^$[\\]\\\\(){}|-]/g, '\\\\$&')\n}\n\nfunction isNumeric(n) {\n return !isNaN(1 * n); // 1 * n converts integers, integers as string (\"123\"), 1e3 and \"1e3\" to integers and strings to NaN\n}\n\nfunction getModuleDependencies (sources, module, queueName) {\n var retval = {}\n retval[queueName] = []\n\n var fnString = module.toString()\n var wrapperSignature = fnString.match(/^function\\s?\\w*\\(\\w+,\\s*\\w+,\\s*(\\w+)\\)/)\n if (!wrapperSignature) return retval\n var webpackRequireName = wrapperSignature[1]\n\n // main bundle deps\n var re = new RegExp('(\\\\\\\\n|\\\\W)' + quoteRegExp(webpackRequireName) + dependencyRegExp, 'g')\n var match\n while ((match = re.exec(fnString))) {\n if (match[3] === 'dll-reference') continue\n retval[queueName].push(match[3])\n }\n\n // dll deps\n re = new RegExp('\\\\(' + quoteRegExp(webpackRequireName) + '\\\\(\"(dll-reference\\\\s(' + moduleNameReqExp + '))\"\\\\)\\\\)' + dependencyRegExp, 'g')\n while ((match = re.exec(fnString))) {\n if (!sources[match[2]]) {\n retval[queueName].push(match[1])\n sources[match[2]] = __webpack_require__(match[1]).m\n }\n retval[match[2]] = retval[match[2]] || []\n retval[match[2]].push(match[4])\n }\n\n // convert 1e3 back to 1000 - this can be important after uglify-js converted 1000 to 1e3\n var keys = Object.keys(retval);\n for (var i = 0; i < keys.length; i++) {\n for (var j = 0; j < retval[keys[i]].length; j++) {\n if (isNumeric(retval[keys[i]][j])) {\n retval[keys[i]][j] = 1 * retval[keys[i]][j];\n }\n }\n }\n\n return retval\n}\n\nfunction hasValuesInQueues (queues) {\n var keys = Object.keys(queues)\n return keys.reduce(function (hasValues, key) {\n return hasValues || queues[key].length > 0\n }, false)\n}\n\nfunction getRequiredModules (sources, moduleId) {\n var modulesQueue = {\n main: [moduleId]\n }\n var requiredModules = {\n main: []\n }\n var seenModules = {\n main: {}\n }\n\n while (hasValuesInQueues(modulesQueue)) {\n var queues = Object.keys(modulesQueue)\n for (var i = 0; i < queues.length; i++) {\n var queueName = queues[i]\n var queue = modulesQueue[queueName]\n var moduleToCheck = queue.pop()\n seenModules[queueName] = seenModules[queueName] || {}\n if (seenModules[queueName][moduleToCheck] || !sources[queueName][moduleToCheck]) continue\n seenModules[queueName][moduleToCheck] = true\n requiredModules[queueName] = requiredModules[queueName] || []\n requiredModules[queueName].push(moduleToCheck)\n var newModules = getModuleDependencies(sources, sources[queueName][moduleToCheck], queueName)\n var newModulesKeys = Object.keys(newModules)\n for (var j = 0; j < newModulesKeys.length; j++) {\n modulesQueue[newModulesKeys[j]] = modulesQueue[newModulesKeys[j]] || []\n modulesQueue[newModulesKeys[j]] = modulesQueue[newModulesKeys[j]].concat(newModules[newModulesKeys[j]])\n }\n }\n }\n\n return requiredModules\n}\n\nmodule.exports = function (moduleId, options) {\n options = options || {}\n var sources = {\n main: __webpack_modules__\n }\n\n var requiredModules = options.all ? { main: Object.keys(sources.main) } : getRequiredModules(sources, moduleId)\n\n var src = ''\n\n Object.keys(requiredModules).filter(function (m) { return m !== 'main' }).forEach(function (module) {\n var entryModule = 0\n while (requiredModules[module][entryModule]) {\n entryModule++\n }\n requiredModules[module].push(entryModule)\n sources[module][entryModule] = '(function(module, exports, __webpack_require__) { module.exports = __webpack_require__; })'\n src = src + 'var ' + module + ' = (' + webpackBootstrapFunc.toString().replace('ENTRY_MODULE', JSON.stringify(entryModule)) + ')({' + requiredModules[module].map(function (id) { return '' + JSON.stringify(id) + ': ' + sources[module][id].toString() }).join(',') + '});\\n'\n })\n\n src = src + 'new ((' + webpackBootstrapFunc.toString().replace('ENTRY_MODULE', JSON.stringify(moduleId)) + ')({' + requiredModules.main.map(function (id) { return '' + JSON.stringify(id) + ': ' + sources.main[id].toString() }).join(',') + '}))(self);'\n\n var blob = new window.Blob([src], { type: 'text/javascript' })\n if (options.bare) { return blob }\n\n var URL = window.URL || window.webkitURL || window.mozURL || window.msURL\n\n var workerUrl = URL.createObjectURL(blob)\n var worker = new window.Worker(workerUrl)\n worker.objectURL = workerUrl\n\n return worker\n}\n","export default class AESCrypto {\n constructor (subtle, iv) {\n this.subtle = subtle;\n this.aesIV = iv;\n }\n\n decrypt (data, key) {\n return this.subtle.decrypt({ name: 'AES-CBC', iv: this.aesIV }, key, data);\n }\n}\n","class FastAESKey {\n constructor (subtle, key) {\n this.subtle = subtle;\n this.key = key;\n }\n\n expandKey () {\n return this.subtle.importKey('raw', this.key, { name: 'AES-CBC' }, false, ['encrypt', 'decrypt']);\n }\n}\n\nexport default FastAESKey;\n","// PKCS7\nexport function removePadding (buffer) {\n const outputBytes = buffer.byteLength;\n const paddingBytes = outputBytes && (new DataView(buffer)).getUint8(outputBytes - 1);\n if (paddingBytes) {\n return buffer.slice(0, outputBytes - paddingBytes);\n } else {\n return buffer;\n }\n}\n\nclass AESDecryptor {\n constructor () {\n // Static after running initTable\n this.rcon = [0x0, 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36];\n this.subMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)];\n this.invSubMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)];\n this.sBox = new Uint32Array(256);\n this.invSBox = new Uint32Array(256);\n\n // Changes during runtime\n this.key = new Uint32Array(0);\n\n this.initTable();\n }\n\n // Using view.getUint32() also swaps the byte order.\n uint8ArrayToUint32Array_ (arrayBuffer) {\n let view = new DataView(arrayBuffer);\n let newArray = new Uint32Array(4);\n for (let i = 0; i < 4; i++) {\n newArray[i] = view.getUint32(i * 4);\n }\n\n return newArray;\n }\n\n initTable () {\n let sBox = this.sBox;\n let invSBox = this.invSBox;\n let subMix = this.subMix;\n let subMix0 = subMix[0];\n let subMix1 = subMix[1];\n let subMix2 = subMix[2];\n let subMix3 = subMix[3];\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let d = new Uint32Array(256);\n let x = 0;\n let xi = 0;\n let i = 0;\n for (i = 0; i < 256; i++) {\n if (i < 128) {\n d[i] = i << 1;\n } else {\n d[i] = (i << 1) ^ 0x11b;\n }\n }\n\n for (i = 0; i < 256; i++) {\n let sx = xi ^ (xi << 1) ^ (xi << 2) ^ (xi << 3) ^ (xi << 4);\n sx = (sx >>> 8) ^ (sx & 0xff) ^ 0x63;\n sBox[x] = sx;\n invSBox[sx] = x;\n\n // Compute multiplication\n let x2 = d[x];\n let x4 = d[x2];\n let x8 = d[x4];\n\n // Compute sub/invSub bytes, mix columns tables\n let t = (d[sx] * 0x101) ^ (sx * 0x1010100);\n subMix0[x] = (t << 24) | (t >>> 8);\n subMix1[x] = (t << 16) | (t >>> 16);\n subMix2[x] = (t << 8) | (t >>> 24);\n subMix3[x] = t;\n\n // Compute inv sub bytes, inv mix columns tables\n t = (x8 * 0x1010101) ^ (x4 * 0x10001) ^ (x2 * 0x101) ^ (x * 0x1010100);\n invSubMix0[sx] = (t << 24) | (t >>> 8);\n invSubMix1[sx] = (t << 16) | (t >>> 16);\n invSubMix2[sx] = (t << 8) | (t >>> 24);\n invSubMix3[sx] = t;\n\n // Compute next counter\n if (!x) {\n x = xi = 1;\n } else {\n x = x2 ^ d[d[d[x8 ^ x2]]];\n xi ^= d[d[xi]];\n }\n }\n }\n\n expandKey (keyBuffer) {\n // convert keyBuffer to Uint32Array\n let key = this.uint8ArrayToUint32Array_(keyBuffer);\n let sameKey = true;\n let offset = 0;\n\n while (offset < key.length && sameKey) {\n sameKey = (key[offset] === this.key[offset]);\n offset++;\n }\n\n if (sameKey) {\n return;\n }\n\n this.key = key;\n let keySize = this.keySize = key.length;\n\n if (keySize !== 4 && keySize !== 6 && keySize !== 8) {\n throw new Error('Invalid aes key size=' + keySize);\n }\n\n let ksRows = this.ksRows = (keySize + 6 + 1) * 4;\n let ksRow;\n let invKsRow;\n\n let keySchedule = this.keySchedule = new Uint32Array(ksRows);\n let invKeySchedule = this.invKeySchedule = new Uint32Array(ksRows);\n let sbox = this.sBox;\n let rcon = this.rcon;\n\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let prev;\n let t;\n\n for (ksRow = 0; ksRow < ksRows; ksRow++) {\n if (ksRow < keySize) {\n prev = keySchedule[ksRow] = key[ksRow];\n continue;\n }\n t = prev;\n\n if (ksRow % keySize === 0) {\n // Rot word\n t = (t << 8) | (t >>> 24);\n\n // Sub word\n t = (sbox[t >>> 24] << 24) | (sbox[(t >>> 16) & 0xff] << 16) | (sbox[(t >>> 8) & 0xff] << 8) | sbox[t & 0xff];\n\n // Mix Rcon\n t ^= rcon[(ksRow / keySize) | 0] << 24;\n } else if (keySize > 6 && ksRow % keySize === 4) {\n // Sub word\n t = (sbox[t >>> 24] << 24) | (sbox[(t >>> 16) & 0xff] << 16) | (sbox[(t >>> 8) & 0xff] << 8) | sbox[t & 0xff];\n }\n\n keySchedule[ksRow] = prev = (keySchedule[ksRow - keySize] ^ t) >>> 0;\n }\n\n for (invKsRow = 0; invKsRow < ksRows; invKsRow++) {\n ksRow = ksRows - invKsRow;\n if (invKsRow & 3) {\n t = keySchedule[ksRow];\n } else {\n t = keySchedule[ksRow - 4];\n }\n\n if (invKsRow < 4 || ksRow <= 4) {\n invKeySchedule[invKsRow] = t;\n } else {\n invKeySchedule[invKsRow] = invSubMix0[sbox[t >>> 24]] ^ invSubMix1[sbox[(t >>> 16) & 0xff]] ^ invSubMix2[sbox[(t >>> 8) & 0xff]] ^ invSubMix3[sbox[t & 0xff]];\n }\n\n invKeySchedule[invKsRow] = invKeySchedule[invKsRow] >>> 0;\n }\n }\n\n // Adding this as a method greatly improves performance.\n networkToHostOrderSwap (word) {\n return (word << 24) | ((word & 0xff00) << 8) | ((word & 0xff0000) >> 8) | (word >>> 24);\n }\n\n decrypt (inputArrayBuffer, offset, aesIV, removePKCS7Padding) {\n let nRounds = this.keySize + 6;\n let invKeySchedule = this.invKeySchedule;\n let invSBOX = this.invSBox;\n\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let initVector = this.uint8ArrayToUint32Array_(aesIV);\n let initVector0 = initVector[0];\n let initVector1 = initVector[1];\n let initVector2 = initVector[2];\n let initVector3 = initVector[3];\n\n let inputInt32 = new Int32Array(inputArrayBuffer);\n let outputInt32 = new Int32Array(inputInt32.length);\n\n let t0, t1, t2, t3;\n let s0, s1, s2, s3;\n let inputWords0, inputWords1, inputWords2, inputWords3;\n\n let ksRow, i;\n let swapWord = this.networkToHostOrderSwap;\n\n while (offset < inputInt32.length) {\n inputWords0 = swapWord(inputInt32[offset]);\n inputWords1 = swapWord(inputInt32[offset + 1]);\n inputWords2 = swapWord(inputInt32[offset + 2]);\n inputWords3 = swapWord(inputInt32[offset + 3]);\n\n s0 = inputWords0 ^ invKeySchedule[0];\n s1 = inputWords3 ^ invKeySchedule[1];\n s2 = inputWords2 ^ invKeySchedule[2];\n s3 = inputWords1 ^ invKeySchedule[3];\n\n ksRow = 4;\n\n // Iterate through the rounds of decryption\n for (i = 1; i < nRounds; i++) {\n t0 = invSubMix0[s0 >>> 24] ^ invSubMix1[(s1 >> 16) & 0xff] ^ invSubMix2[(s2 >> 8) & 0xff] ^ invSubMix3[s3 & 0xff] ^ invKeySchedule[ksRow];\n t1 = invSubMix0[s1 >>> 24] ^ invSubMix1[(s2 >> 16) & 0xff] ^ invSubMix2[(s3 >> 8) & 0xff] ^ invSubMix3[s0 & 0xff] ^ invKeySchedule[ksRow + 1];\n t2 = invSubMix0[s2 >>> 24] ^ invSubMix1[(s3 >> 16) & 0xff] ^ invSubMix2[(s0 >> 8) & 0xff] ^ invSubMix3[s1 & 0xff] ^ invKeySchedule[ksRow + 2];\n t3 = invSubMix0[s3 >>> 24] ^ invSubMix1[(s0 >> 16) & 0xff] ^ invSubMix2[(s1 >> 8) & 0xff] ^ invSubMix3[s2 & 0xff] ^ invKeySchedule[ksRow + 3];\n // Update state\n s0 = t0;\n s1 = t1;\n s2 = t2;\n s3 = t3;\n\n ksRow = ksRow + 4;\n }\n\n // Shift rows, sub bytes, add round key\n t0 = ((invSBOX[s0 >>> 24] << 24) ^ (invSBOX[(s1 >> 16) & 0xff] << 16) ^ (invSBOX[(s2 >> 8) & 0xff] << 8) ^ invSBOX[s3 & 0xff]) ^ invKeySchedule[ksRow];\n t1 = ((invSBOX[s1 >>> 24] << 24) ^ (invSBOX[(s2 >> 16) & 0xff] << 16) ^ (invSBOX[(s3 >> 8) & 0xff] << 8) ^ invSBOX[s0 & 0xff]) ^ invKeySchedule[ksRow + 1];\n t2 = ((invSBOX[s2 >>> 24] << 24) ^ (invSBOX[(s3 >> 16) & 0xff] << 16) ^ (invSBOX[(s0 >> 8) & 0xff] << 8) ^ invSBOX[s1 & 0xff]) ^ invKeySchedule[ksRow + 2];\n t3 = ((invSBOX[s3 >>> 24] << 24) ^ (invSBOX[(s0 >> 16) & 0xff] << 16) ^ (invSBOX[(s1 >> 8) & 0xff] << 8) ^ invSBOX[s2 & 0xff]) ^ invKeySchedule[ksRow + 3];\n ksRow = ksRow + 3;\n\n // Write\n outputInt32[offset] = swapWord(t0 ^ initVector0);\n outputInt32[offset + 1] = swapWord(t3 ^ initVector1);\n outputInt32[offset + 2] = swapWord(t2 ^ initVector2);\n outputInt32[offset + 3] = swapWord(t1 ^ initVector3);\n\n // reset initVector to last 4 unsigned int\n initVector0 = inputWords0;\n initVector1 = inputWords1;\n initVector2 = inputWords2;\n initVector3 = inputWords3;\n\n offset = offset + 4;\n }\n\n return removePKCS7Padding ? removePadding(outputInt32.buffer) : outputInt32.buffer;\n }\n\n destroy () {\n this.key = undefined;\n this.keySize = undefined;\n this.ksRows = undefined;\n\n this.sBox = undefined;\n this.invSBox = undefined;\n this.subMix = undefined;\n this.invSubMix = undefined;\n this.keySchedule = undefined;\n this.invKeySchedule = undefined;\n\n this.rcon = undefined;\n }\n}\n\nexport default AESDecryptor;\n","import AESCrypto from './aes-crypto';\nimport FastAESKey from './fast-aes-key';\nimport AESDecryptor from './aes-decryptor';\n\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\n\nimport Event from '../events';\n\nimport { getSelfScope } from '../utils/get-self-scope';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n\nclass Decrypter {\n constructor (observer, config, { removePKCS7Padding = true } = {}) {\n this.logEnabled = true;\n this.observer = observer;\n this.config = config;\n this.removePKCS7Padding = removePKCS7Padding;\n // built in decryptor expects PKCS7 padding\n if (removePKCS7Padding) {\n try {\n const browserCrypto = global.crypto;\n if (browserCrypto) {\n this.subtle = browserCrypto.subtle || browserCrypto.webkitSubtle;\n }\n } catch (e) {}\n }\n this.disableWebCrypto = !this.subtle;\n }\n\n isSync () {\n return (this.disableWebCrypto && this.config.enableSoftwareAES);\n }\n\n decrypt (data, key, iv, callback) {\n if (this.disableWebCrypto && this.config.enableSoftwareAES) {\n if (this.logEnabled) {\n logger.log('JS AES decrypt');\n this.logEnabled = false;\n }\n let decryptor = this.decryptor;\n if (!decryptor) {\n this.decryptor = decryptor = new AESDecryptor();\n }\n\n decryptor.expandKey(key);\n callback(decryptor.decrypt(data, 0, iv, this.removePKCS7Padding));\n } else {\n if (this.logEnabled) {\n logger.log('WebCrypto AES decrypt');\n this.logEnabled = false;\n }\n const subtle = this.subtle;\n if (this.key !== key) {\n this.key = key;\n this.fastAesKey = new FastAESKey(subtle, key);\n }\n\n this.fastAesKey.expandKey()\n .then((aesKey) => {\n // decrypt using web crypto\n let crypto = new AESCrypto(subtle, iv);\n crypto.decrypt(data, aesKey)\n .catch((err) => {\n this.onWebCryptoError(err, data, key, iv, callback);\n })\n .then((result) => {\n callback(result);\n });\n })\n .catch((err) => {\n this.onWebCryptoError(err, data, key, iv, callback);\n });\n }\n }\n\n onWebCryptoError (err, data, key, iv, callback) {\n if (this.config.enableSoftwareAES) {\n logger.log('WebCrypto Error, disable WebCrypto API');\n this.disableWebCrypto = true;\n this.logEnabled = true;\n this.decrypt(data, key, iv, callback);\n } else {\n logger.error(`decrypting error : ${err.message}`);\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_DECRYPT_ERROR, fatal: true, reason: err.message });\n }\n }\n\n destroy () {\n let decryptor = this.decryptor;\n if (decryptor) {\n decryptor.destroy();\n this.decryptor = undefined;\n }\n }\n}\n\nexport default Decrypter;\n","/**\n * ADTS parser helper\n * @link https://wiki.multimedia.cx/index.php?title=ADTS\n */\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\nimport Event from '../events';\n\nimport { getSelfScope } from '../utils/get-self-scope';\n\nexport function getAudioConfig (observer, data, offset, audioCodec) {\n let adtsObjectType, // :int\n adtsSampleingIndex, // :int\n adtsExtensionSampleingIndex, // :int\n adtsChanelConfig, // :int\n config,\n userAgent = navigator.userAgent.toLowerCase(),\n manifestCodec = audioCodec,\n adtsSampleingRates = [\n 96000, 88200,\n 64000, 48000,\n 44100, 32000,\n 24000, 22050,\n 16000, 12000,\n 11025, 8000,\n 7350];\n // byte 2\n adtsObjectType = ((data[offset + 2] & 0xC0) >>> 6) + 1;\n adtsSampleingIndex = ((data[offset + 2] & 0x3C) >>> 2);\n if (adtsSampleingIndex > adtsSampleingRates.length - 1) {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: true, reason: `invalid ADTS sampling index:${adtsSampleingIndex}` });\n return;\n }\n adtsChanelConfig = ((data[offset + 2] & 0x01) << 2);\n // byte 3\n adtsChanelConfig |= ((data[offset + 3] & 0xC0) >>> 6);\n logger.log(`manifest codec:${audioCodec},ADTS data:type:${adtsObjectType},sampleingIndex:${adtsSampleingIndex}[${adtsSampleingRates[adtsSampleingIndex]}Hz],channelConfig:${adtsChanelConfig}`);\n // firefox: freq less than 24kHz = AAC SBR (HE-AAC)\n if (/firefox/i.test(userAgent)) {\n if (adtsSampleingIndex >= 6) {\n adtsObjectType = 5;\n config = new Array(4);\n // HE-AAC uses SBR (Spectral Band Replication) , high frequencies are constructed from low frequencies\n // there is a factor 2 between frame sample rate and output sample rate\n // multiply frequency by 2 (see table below, equivalent to substract 3)\n adtsExtensionSampleingIndex = adtsSampleingIndex - 3;\n } else {\n adtsObjectType = 2;\n config = new Array(2);\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n }\n // Android : always use AAC\n } else if (userAgent.indexOf('android') !== -1) {\n adtsObjectType = 2;\n config = new Array(2);\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n } else {\n /* for other browsers (Chrome/Vivaldi/Opera ...)\n always force audio type to be HE-AAC SBR, as some browsers do not support audio codec switch properly (like Chrome ...)\n */\n adtsObjectType = 5;\n config = new Array(4);\n // if (manifest codec is HE-AAC or HE-AACv2) OR (manifest codec not specified AND frequency less than 24kHz)\n if ((audioCodec && ((audioCodec.indexOf('mp4a.40.29') !== -1) ||\n (audioCodec.indexOf('mp4a.40.5') !== -1))) ||\n (!audioCodec && adtsSampleingIndex >= 6)) {\n // HE-AAC uses SBR (Spectral Band Replication) , high frequencies are constructed from low frequencies\n // there is a factor 2 between frame sample rate and output sample rate\n // multiply frequency by 2 (see table below, equivalent to substract 3)\n adtsExtensionSampleingIndex = adtsSampleingIndex - 3;\n } else {\n // if (manifest codec is AAC) AND (frequency less than 24kHz AND nb channel is 1) OR (manifest codec not specified and mono audio)\n // Chrome fails to play back with low frequency AAC LC mono when initialized with HE-AAC. This is not a problem with stereo.\n if (audioCodec && audioCodec.indexOf('mp4a.40.2') !== -1 && ((adtsSampleingIndex >= 6 && adtsChanelConfig === 1) ||\n /vivaldi/i.test(userAgent)) ||\n (!audioCodec && adtsChanelConfig === 1)) {\n adtsObjectType = 2;\n config = new Array(2);\n }\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n }\n }\n /* refer to http://wiki.multimedia.cx/index.php?title=MPEG-4_Audio#Audio_Specific_Config\n ISO 14496-3 (AAC).pdf - Table 1.13 — Syntax of AudioSpecificConfig()\n Audio Profile / Audio Object Type\n 0: Null\n 1: AAC Main\n 2: AAC LC (Low Complexity)\n 3: AAC SSR (Scalable Sample Rate)\n 4: AAC LTP (Long Term Prediction)\n 5: SBR (Spectral Band Replication)\n 6: AAC Scalable\n sampling freq\n 0: 96000 Hz\n 1: 88200 Hz\n 2: 64000 Hz\n 3: 48000 Hz\n 4: 44100 Hz\n 5: 32000 Hz\n 6: 24000 Hz\n 7: 22050 Hz\n 8: 16000 Hz\n 9: 12000 Hz\n 10: 11025 Hz\n 11: 8000 Hz\n 12: 7350 Hz\n 13: Reserved\n 14: Reserved\n 15: frequency is written explictly\n Channel Configurations\n These are the channel configurations:\n 0: Defined in AOT Specifc Config\n 1: 1 channel: front-center\n 2: 2 channels: front-left, front-right\n */\n // audioObjectType = profile => profile, the MPEG-4 Audio Object Type minus 1\n config[0] = adtsObjectType << 3;\n // samplingFrequencyIndex\n config[0] |= (adtsSampleingIndex & 0x0E) >> 1;\n config[1] |= (adtsSampleingIndex & 0x01) << 7;\n // channelConfiguration\n config[1] |= adtsChanelConfig << 3;\n if (adtsObjectType === 5) {\n // adtsExtensionSampleingIndex\n config[1] |= (adtsExtensionSampleingIndex & 0x0E) >> 1;\n config[2] = (adtsExtensionSampleingIndex & 0x01) << 7;\n // adtsObjectType (force to 2, chrome is checking that object type is less than 5 ???\n // https://chromium.googlesource.com/chromium/src.git/+/master/media/formats/mp4/aac.cc\n config[2] |= 2 << 2;\n config[3] = 0;\n }\n return { config: config, samplerate: adtsSampleingRates[adtsSampleingIndex], channelCount: adtsChanelConfig, codec: ('mp4a.40.' + adtsObjectType), manifestCodec: manifestCodec };\n}\n\nexport function isHeaderPattern (data, offset) {\n return data[offset] === 0xff && (data[offset + 1] & 0xf6) === 0xf0;\n}\n\nexport function getHeaderLength (data, offset) {\n return (data[offset + 1] & 0x01 ? 7 : 9);\n}\n\nexport function getFullFrameLength (data, offset) {\n return ((data[offset + 3] & 0x03) << 11) |\n (data[offset + 4] << 3) |\n ((data[offset + 5] & 0xE0) >>> 5);\n}\n\nexport function isHeader (data, offset) {\n // Look for ADTS header | 1111 1111 | 1111 X00X | where X can be either 0 or 1\n // Layer bits (position 14 and 15) in header should be always 0 for ADTS\n // More info https://wiki.multimedia.cx/index.php?title=ADTS\n if (offset + 1 < data.length && isHeaderPattern(data, offset)) {\n return true;\n }\n\n return false;\n}\n\nexport function probe (data, offset) {\n // same as isHeader but we also check that ADTS frame follows last ADTS frame\n // or end of data is reached\n if (isHeader(data, offset)) {\n // ADTS header Length\n let headerLength = getHeaderLength(data, offset);\n // ADTS frame Length\n let frameLength = headerLength;\n if (offset + 5 < data.length) {\n frameLength = getFullFrameLength(data, offset);\n }\n\n let newOffset = offset + frameLength;\n if (newOffset === data.length || (newOffset + 1 < data.length && isHeaderPattern(data, newOffset))) {\n return true;\n }\n }\n return false;\n}\n\nexport function initTrackConfig (track, observer, data, offset, audioCodec) {\n if (!track.samplerate) {\n let config = getAudioConfig(observer, data, offset, audioCodec);\n track.config = config.config;\n track.samplerate = config.samplerate;\n track.channelCount = config.channelCount;\n track.codec = config.codec;\n track.manifestCodec = config.manifestCodec;\n logger.log(`parsed codec:${track.codec},rate:${config.samplerate},nb channel:${config.channelCount}`);\n }\n}\n\nexport function getFrameDuration (samplerate) {\n return 1024 * 90000 / samplerate;\n}\n\nexport function parseFrameHeader (data, offset, pts, frameIndex, frameDuration) {\n let headerLength, frameLength, stamp;\n let length = data.length;\n\n // The protection skip bit tells us if we have 2 bytes of CRC data at the end of the ADTS header\n headerLength = getHeaderLength(data, offset);\n // retrieve frame size\n frameLength = getFullFrameLength(data, offset);\n frameLength -= headerLength;\n\n if ((frameLength > 0) && ((offset + headerLength + frameLength) <= length)) {\n stamp = pts + frameIndex * frameDuration;\n // logger.log(`AAC frame, offset/length/total/pts:${offset+headerLength}/${frameLength}/${data.byteLength}/${(stamp/90).toFixed(0)}`);\n return { headerLength, frameLength, stamp };\n }\n\n return undefined;\n}\n\nexport function appendFrame (track, data, offset, pts, frameIndex) {\n let frameDuration = getFrameDuration(track.samplerate);\n let header = parseFrameHeader(data, offset, pts, frameIndex, frameDuration);\n if (header) {\n let stamp = header.stamp;\n let headerLength = header.headerLength;\n let frameLength = header.frameLength;\n\n // logger.log(`AAC frame, offset/length/total/pts:${offset+headerLength}/${frameLength}/${data.byteLength}/${(stamp/90).toFixed(0)}`);\n let aacSample = {\n unit: data.subarray(offset + headerLength, offset + headerLength + frameLength),\n pts: stamp,\n dts: stamp\n };\n\n track.samples.push(aacSample);\n return { sample: aacSample, length: frameLength + headerLength };\n }\n\n return undefined;\n}\n","/**\n * AAC demuxer\n */\nimport * as ADTS from './adts';\nimport { logger } from '../utils/logger';\nimport ID3 from '../demux/id3';\n\nclass AACDemuxer {\n constructor (observer, remuxer, config) {\n this.observer = observer;\n this.config = config;\n this.remuxer = remuxer;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this._audioTrack = { container: 'audio/adts', type: 'audio', id: 0, sequenceNumber: 0, isAAC: true, samples: [], len: 0, manifestCodec: audioCodec, duration: duration, inputTimeScale: 90000 };\n }\n\n resetTimeStamp () {\n }\n\n static probe (data) {\n if (!data) {\n return false;\n }\n\n // Check for the ADTS sync word\n // Look for ADTS header | 1111 1111 | 1111 X00X | where X can be either 0 or 1\n // Layer bits (position 14 and 15) in header should be always 0 for ADTS\n // More info https://wiki.multimedia.cx/index.php?title=ADTS\n const id3Data = ID3.getID3Data(data, 0) || [];\n let offset = id3Data.length;\n\n for (let length = data.length; offset < length; offset++) {\n if (ADTS.probe(data, offset)) {\n logger.log('ADTS sync word found !');\n return true;\n }\n }\n return false;\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let track = this._audioTrack;\n let id3Data = ID3.getID3Data(data, 0) || [];\n let timestamp = ID3.getTimeStamp(id3Data);\n let pts = Number.isFinite(timestamp) ? timestamp * 90 : timeOffset * 90000;\n let frameIndex = 0;\n let stamp = pts;\n let length = data.length;\n let offset = id3Data.length;\n\n let id3Samples = [{ pts: stamp, dts: stamp, data: id3Data }];\n\n while (offset < length - 1) {\n if (ADTS.isHeader(data, offset) && (offset + 5) < length) {\n ADTS.initTrackConfig(track, this.observer, data, offset, track.manifestCodec);\n let frame = ADTS.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n } else {\n logger.log('Unable to parse AAC frame');\n break;\n }\n } else if (ID3.isHeader(data, offset)) {\n id3Data = ID3.getID3Data(data, offset);\n id3Samples.push({ pts: stamp, dts: stamp, data: id3Data });\n offset += id3Data.length;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n this.remuxer.remux(track,\n { samples: [] },\n { samples: id3Samples, inputTimeScale: 90000 },\n { samples: [] },\n timeOffset,\n contiguous,\n accurateTimeOffset);\n }\n\n destroy () {\n }\n}\n\nexport default AACDemuxer;\n","/**\n * MPEG parser helper\n */\n\nconst MpegAudio = {\n\n BitratesMap: [\n 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448,\n 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384,\n 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320,\n 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256,\n 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160],\n\n SamplingRateMap: [44100, 48000, 32000, 22050, 24000, 16000, 11025, 12000, 8000],\n\n SamplesCoefficients: [\n // MPEG 2.5\n [\n 0, // Reserved\n 72, // Layer3\n 144, // Layer2\n 12 // Layer1\n ],\n // Reserved\n [\n 0, // Reserved\n 0, // Layer3\n 0, // Layer2\n 0 // Layer1\n ],\n // MPEG 2\n [\n 0, // Reserved\n 72, // Layer3\n 144, // Layer2\n 12 // Layer1\n ],\n // MPEG 1\n [\n 0, // Reserved\n 144, // Layer3\n 144, // Layer2\n 12 // Layer1\n ]\n ],\n\n BytesInSlot: [\n 0, // Reserved\n 1, // Layer3\n 1, // Layer2\n 4 // Layer1\n ],\n\n appendFrame: function (track, data, offset, pts, frameIndex) {\n // Using http://www.datavoyage.com/mpgscript/mpeghdr.htm as a reference\n if (offset + 24 > data.length) {\n return undefined;\n }\n\n let header = this.parseHeader(data, offset);\n if (header && offset + header.frameLength <= data.length) {\n let frameDuration = header.samplesPerFrame * 90000 / header.sampleRate;\n let stamp = pts + frameIndex * frameDuration;\n let sample = { unit: data.subarray(offset, offset + header.frameLength), pts: stamp, dts: stamp };\n\n track.config = [];\n track.channelCount = header.channelCount;\n track.samplerate = header.sampleRate;\n track.samples.push(sample);\n\n return { sample, length: header.frameLength };\n }\n\n return undefined;\n },\n\n parseHeader: function (data, offset) {\n let headerB = (data[offset + 1] >> 3) & 3;\n let headerC = (data[offset + 1] >> 1) & 3;\n let headerE = (data[offset + 2] >> 4) & 15;\n let headerF = (data[offset + 2] >> 2) & 3;\n let headerG = (data[offset + 2] >> 1) & 1;\n if (headerB !== 1 && headerE !== 0 && headerE !== 15 && headerF !== 3) {\n let columnInBitrates = headerB === 3 ? (3 - headerC) : (headerC === 3 ? 3 : 4);\n let bitRate = MpegAudio.BitratesMap[columnInBitrates * 14 + headerE - 1] * 1000;\n let columnInSampleRates = headerB === 3 ? 0 : headerB === 2 ? 1 : 2;\n let sampleRate = MpegAudio.SamplingRateMap[columnInSampleRates * 3 + headerF];\n let channelCount = data[offset + 3] >> 6 === 3 ? 1 : 2; // If bits of channel mode are `11` then it is a single channel (Mono)\n let sampleCoefficient = MpegAudio.SamplesCoefficients[headerB][headerC];\n let bytesInSlot = MpegAudio.BytesInSlot[headerC];\n let samplesPerFrame = sampleCoefficient * 8 * bytesInSlot;\n let frameLength = parseInt(sampleCoefficient * bitRate / sampleRate + headerG, 10) * bytesInSlot;\n\n return { sampleRate, channelCount, frameLength, samplesPerFrame };\n }\n\n return undefined;\n },\n\n isHeaderPattern: function (data, offset) {\n return data[offset] === 0xff && (data[offset + 1] & 0xe0) === 0xe0 && (data[offset + 1] & 0x06) !== 0x00;\n },\n\n isHeader: function (data, offset) {\n // Look for MPEG header | 1111 1111 | 111X XYZX | where X can be either 0 or 1 and Y or Z should be 1\n // Layer bits (position 14 and 15) in header should be always different from 0 (Layer I or Layer II or Layer III)\n // More info http://www.mp3-tech.org/programmer/frame_header.html\n if (offset + 1 < data.length && this.isHeaderPattern(data, offset)) {\n return true;\n }\n\n return false;\n },\n\n probe: function (data, offset) {\n // same as isHeader but we also check that MPEG frame follows last MPEG frame\n // or end of data is reached\n if (offset + 1 < data.length && this.isHeaderPattern(data, offset)) {\n // MPEG header Length\n let headerLength = 4;\n // MPEG frame Length\n let header = this.parseHeader(data, offset);\n let frameLength = headerLength;\n if (header && header.frameLength) {\n frameLength = header.frameLength;\n }\n\n let newOffset = offset + frameLength;\n if (newOffset === data.length || (newOffset + 1 < data.length && this.isHeaderPattern(data, newOffset))) {\n return true;\n }\n }\n return false;\n }\n};\n\nexport default MpegAudio;\n","/**\n * Parser for exponential Golomb codes, a variable-bitwidth number encoding scheme used by h264.\n*/\n\nimport { logger } from '../utils/logger';\n\nclass ExpGolomb {\n constructor (data) {\n this.data = data;\n // the number of bytes left to examine in this.data\n this.bytesAvailable = data.byteLength;\n // the current word being examined\n this.word = 0; // :uint\n // the number of bits left to examine in the current word\n this.bitsAvailable = 0; // :uint\n }\n\n // ():void\n loadWord () {\n let\n data = this.data,\n bytesAvailable = this.bytesAvailable,\n position = data.byteLength - bytesAvailable,\n workingBytes = new Uint8Array(4),\n availableBytes = Math.min(4, bytesAvailable);\n if (availableBytes === 0) {\n throw new Error('no bytes available');\n }\n\n workingBytes.set(data.subarray(position, position + availableBytes));\n this.word = new DataView(workingBytes.buffer).getUint32(0);\n // track the amount of this.data that has been processed\n this.bitsAvailable = availableBytes * 8;\n this.bytesAvailable -= availableBytes;\n }\n\n // (count:int):void\n skipBits (count) {\n let skipBytes; // :int\n if (this.bitsAvailable > count) {\n this.word <<= count;\n this.bitsAvailable -= count;\n } else {\n count -= this.bitsAvailable;\n skipBytes = count >> 3;\n count -= (skipBytes >> 3);\n this.bytesAvailable -= skipBytes;\n this.loadWord();\n this.word <<= count;\n this.bitsAvailable -= count;\n }\n }\n\n // (size:int):uint\n readBits (size) {\n let\n bits = Math.min(this.bitsAvailable, size), // :uint\n valu = this.word >>> (32 - bits); // :uint\n if (size > 32) {\n logger.error('Cannot read more than 32 bits at a time');\n }\n\n this.bitsAvailable -= bits;\n if (this.bitsAvailable > 0) {\n this.word <<= bits;\n } else if (this.bytesAvailable > 0) {\n this.loadWord();\n }\n\n bits = size - bits;\n if (bits > 0 && this.bitsAvailable) {\n return valu << bits | this.readBits(bits);\n } else {\n return valu;\n }\n }\n\n // ():uint\n skipLZ () {\n let leadingZeroCount; // :uint\n for (leadingZeroCount = 0; leadingZeroCount < this.bitsAvailable; ++leadingZeroCount) {\n if ((this.word & (0x80000000 >>> leadingZeroCount)) !== 0) {\n // the first bit of working word is 1\n this.word <<= leadingZeroCount;\n this.bitsAvailable -= leadingZeroCount;\n return leadingZeroCount;\n }\n }\n // we exhausted word and still have not found a 1\n this.loadWord();\n return leadingZeroCount + this.skipLZ();\n }\n\n // ():void\n skipUEG () {\n this.skipBits(1 + this.skipLZ());\n }\n\n // ():void\n skipEG () {\n this.skipBits(1 + this.skipLZ());\n }\n\n // ():uint\n readUEG () {\n let clz = this.skipLZ(); // :uint\n return this.readBits(clz + 1) - 1;\n }\n\n // ():int\n readEG () {\n let valu = this.readUEG(); // :int\n if (0x01 & valu) {\n // the number is odd if the low order bit is set\n return (1 + valu) >>> 1; // add 1 to make it even, and divide by 2\n } else {\n return -1 * (valu >>> 1); // divide by two then make it negative\n }\n }\n\n // Some convenience functions\n // :Boolean\n readBoolean () {\n return this.readBits(1) === 1;\n }\n\n // ():int\n readUByte () {\n return this.readBits(8);\n }\n\n // ():int\n readUShort () {\n return this.readBits(16);\n }\n // ():int\n readUInt () {\n return this.readBits(32);\n }\n\n /**\n * Advance the ExpGolomb decoder past a scaling list. The scaling\n * list is optionally transmitted as part of a sequence parameter\n * set and is not relevant to transmuxing.\n * @param count {number} the number of entries in this scaling list\n * @see Recommendation ITU-T H.264, Section 7.3.2.1.1.1\n */\n skipScalingList (count) {\n let\n lastScale = 8,\n nextScale = 8,\n j,\n deltaScale;\n for (j = 0; j < count; j++) {\n if (nextScale !== 0) {\n deltaScale = this.readEG();\n nextScale = (lastScale + deltaScale + 256) % 256;\n }\n lastScale = (nextScale === 0) ? lastScale : nextScale;\n }\n }\n\n /**\n * Read a sequence parameter set and return some interesting video\n * properties. A sequence parameter set is the H264 metadata that\n * describes the properties of upcoming video frames.\n * @param data {Uint8Array} the bytes of a sequence parameter set\n * @return {object} an object with configuration parsed from the\n * sequence parameter set, including the dimensions of the\n * associated video frames.\n */\n readSPS () {\n let\n frameCropLeftOffset = 0,\n frameCropRightOffset = 0,\n frameCropTopOffset = 0,\n frameCropBottomOffset = 0,\n profileIdc, profileCompat, levelIdc,\n numRefFramesInPicOrderCntCycle, picWidthInMbsMinus1,\n picHeightInMapUnitsMinus1,\n frameMbsOnlyFlag,\n scalingListCount,\n i,\n readUByte = this.readUByte.bind(this),\n readBits = this.readBits.bind(this),\n readUEG = this.readUEG.bind(this),\n readBoolean = this.readBoolean.bind(this),\n skipBits = this.skipBits.bind(this),\n skipEG = this.skipEG.bind(this),\n skipUEG = this.skipUEG.bind(this),\n skipScalingList = this.skipScalingList.bind(this);\n\n readUByte();\n profileIdc = readUByte(); // profile_idc\n profileCompat = readBits(5); // constraint_set[0-4]_flag, u(5)\n skipBits(3); // reserved_zero_3bits u(3),\n levelIdc = readUByte(); // level_idc u(8)\n skipUEG(); // seq_parameter_set_id\n // some profiles have more optional data we don't need\n if (profileIdc === 100 ||\n profileIdc === 110 ||\n profileIdc === 122 ||\n profileIdc === 244 ||\n profileIdc === 44 ||\n profileIdc === 83 ||\n profileIdc === 86 ||\n profileIdc === 118 ||\n profileIdc === 128) {\n let chromaFormatIdc = readUEG();\n if (chromaFormatIdc === 3) {\n skipBits(1);\n } // separate_colour_plane_flag\n\n skipUEG(); // bit_depth_luma_minus8\n skipUEG(); // bit_depth_chroma_minus8\n skipBits(1); // qpprime_y_zero_transform_bypass_flag\n if (readBoolean()) { // seq_scaling_matrix_present_flag\n scalingListCount = (chromaFormatIdc !== 3) ? 8 : 12;\n for (i = 0; i < scalingListCount; i++) {\n if (readBoolean()) { // seq_scaling_list_present_flag[ i ]\n if (i < 6) {\n skipScalingList(16);\n } else {\n skipScalingList(64);\n }\n }\n }\n }\n }\n skipUEG(); // log2_max_frame_num_minus4\n let picOrderCntType = readUEG();\n if (picOrderCntType === 0) {\n readUEG(); // log2_max_pic_order_cnt_lsb_minus4\n } else if (picOrderCntType === 1) {\n skipBits(1); // delta_pic_order_always_zero_flag\n skipEG(); // offset_for_non_ref_pic\n skipEG(); // offset_for_top_to_bottom_field\n numRefFramesInPicOrderCntCycle = readUEG();\n for (i = 0; i < numRefFramesInPicOrderCntCycle; i++) {\n skipEG();\n } // offset_for_ref_frame[ i ]\n }\n skipUEG(); // max_num_ref_frames\n skipBits(1); // gaps_in_frame_num_value_allowed_flag\n picWidthInMbsMinus1 = readUEG();\n picHeightInMapUnitsMinus1 = readUEG();\n frameMbsOnlyFlag = readBits(1);\n if (frameMbsOnlyFlag === 0) {\n skipBits(1);\n } // mb_adaptive_frame_field_flag\n\n skipBits(1); // direct_8x8_inference_flag\n if (readBoolean()) { // frame_cropping_flag\n frameCropLeftOffset = readUEG();\n frameCropRightOffset = readUEG();\n frameCropTopOffset = readUEG();\n frameCropBottomOffset = readUEG();\n }\n let pixelRatio = [1, 1];\n if (readBoolean()) {\n // vui_parameters_present_flag\n if (readBoolean()) {\n // aspect_ratio_info_present_flag\n const aspectRatioIdc = readUByte();\n switch (aspectRatioIdc) {\n case 1: pixelRatio = [1, 1]; break;\n case 2: pixelRatio = [12, 11]; break;\n case 3: pixelRatio = [10, 11]; break;\n case 4: pixelRatio = [16, 11]; break;\n case 5: pixelRatio = [40, 33]; break;\n case 6: pixelRatio = [24, 11]; break;\n case 7: pixelRatio = [20, 11]; break;\n case 8: pixelRatio = [32, 11]; break;\n case 9: pixelRatio = [80, 33]; break;\n case 10: pixelRatio = [18, 11]; break;\n case 11: pixelRatio = [15, 11]; break;\n case 12: pixelRatio = [64, 33]; break;\n case 13: pixelRatio = [160, 99]; break;\n case 14: pixelRatio = [4, 3]; break;\n case 15: pixelRatio = [3, 2]; break;\n case 16: pixelRatio = [2, 1]; break;\n case 255: {\n pixelRatio = [readUByte() << 8 | readUByte(), readUByte() << 8 | readUByte()];\n break;\n }\n }\n }\n }\n return {\n width: Math.ceil((((picWidthInMbsMinus1 + 1) * 16) - frameCropLeftOffset * 2 - frameCropRightOffset * 2)),\n height: ((2 - frameMbsOnlyFlag) * (picHeightInMapUnitsMinus1 + 1) * 16) - ((frameMbsOnlyFlag ? 2 : 4) * (frameCropTopOffset + frameCropBottomOffset)),\n pixelRatio: pixelRatio\n };\n }\n\n readSliceType () {\n // skip NALu type\n this.readUByte();\n // discard first_mb_in_slice\n this.readUEG();\n // return slice_type\n return this.readUEG();\n }\n}\n\nexport default ExpGolomb;\n","/**\n * SAMPLE-AES decrypter\n*/\n\nimport Decrypter from '../crypt/decrypter';\n\nclass SampleAesDecrypter {\n constructor (observer, config, decryptdata, discardEPB) {\n this.decryptdata = decryptdata;\n this.discardEPB = discardEPB;\n this.decrypter = new Decrypter(observer, config, { removePKCS7Padding: false });\n }\n\n decryptBuffer (encryptedData, callback) {\n this.decrypter.decrypt(encryptedData, this.decryptdata.key.buffer, this.decryptdata.iv.buffer, callback);\n }\n\n // AAC - encrypt all full 16 bytes blocks starting from offset 16\n decryptAacSample (samples, sampleIndex, callback, sync) {\n let curUnit = samples[sampleIndex].unit;\n let encryptedData = curUnit.subarray(16, curUnit.length - curUnit.length % 16);\n let encryptedBuffer = encryptedData.buffer.slice(\n encryptedData.byteOffset,\n encryptedData.byteOffset + encryptedData.length);\n\n let localthis = this;\n this.decryptBuffer(encryptedBuffer, function (decryptedData) {\n decryptedData = new Uint8Array(decryptedData);\n curUnit.set(decryptedData, 16);\n\n if (!sync) {\n localthis.decryptAacSamples(samples, sampleIndex + 1, callback);\n }\n });\n }\n\n decryptAacSamples (samples, sampleIndex, callback) {\n for (;; sampleIndex++) {\n if (sampleIndex >= samples.length) {\n callback();\n return;\n }\n\n if (samples[sampleIndex].unit.length < 32) {\n continue;\n }\n\n let sync = this.decrypter.isSync();\n\n this.decryptAacSample(samples, sampleIndex, callback, sync);\n\n if (!sync) {\n return;\n }\n }\n }\n\n // AVC - encrypt one 16 bytes block out of ten, starting from offset 32\n getAvcEncryptedData (decodedData) {\n let encryptedDataLen = Math.floor((decodedData.length - 48) / 160) * 16 + 16;\n let encryptedData = new Int8Array(encryptedDataLen);\n let outputPos = 0;\n for (let inputPos = 32; inputPos <= decodedData.length - 16; inputPos += 160, outputPos += 16) {\n encryptedData.set(decodedData.subarray(inputPos, inputPos + 16), outputPos);\n }\n\n return encryptedData;\n }\n\n getAvcDecryptedUnit (decodedData, decryptedData) {\n decryptedData = new Uint8Array(decryptedData);\n let inputPos = 0;\n for (let outputPos = 32; outputPos <= decodedData.length - 16; outputPos += 160, inputPos += 16) {\n decodedData.set(decryptedData.subarray(inputPos, inputPos + 16), outputPos);\n }\n\n return decodedData;\n }\n\n decryptAvcSample (samples, sampleIndex, unitIndex, callback, curUnit, sync) {\n let decodedData = this.discardEPB(curUnit.data);\n let encryptedData = this.getAvcEncryptedData(decodedData);\n let localthis = this;\n\n this.decryptBuffer(encryptedData.buffer, function (decryptedData) {\n curUnit.data = localthis.getAvcDecryptedUnit(decodedData, decryptedData);\n\n if (!sync) {\n localthis.decryptAvcSamples(samples, sampleIndex, unitIndex + 1, callback);\n }\n });\n }\n\n decryptAvcSamples (samples, sampleIndex, unitIndex, callback) {\n for (;; sampleIndex++, unitIndex = 0) {\n if (sampleIndex >= samples.length) {\n callback();\n return;\n }\n\n let curUnits = samples[sampleIndex].units;\n for (;; unitIndex++) {\n if (unitIndex >= curUnits.length) {\n break;\n }\n\n let curUnit = curUnits[unitIndex];\n if (curUnit.length <= 48 || (curUnit.type !== 1 && curUnit.type !== 5)) {\n continue;\n }\n\n let sync = this.decrypter.isSync();\n\n this.decryptAvcSample(samples, sampleIndex, unitIndex, callback, curUnit, sync);\n\n if (!sync) {\n return;\n }\n }\n }\n }\n}\n\nexport default SampleAesDecrypter;\n","/**\n * highly optimized TS demuxer:\n * parse PAT, PMT\n * extract PES packet from audio and video PIDs\n * extract AVC/H264 NAL units and AAC/ADTS samples from PES packet\n * trigger the remuxer upon parsing completion\n * it also tries to workaround as best as it can audio codec switch (HE-AAC to AAC and vice versa), without having to restart the MediaSource.\n * it also controls the remuxing process :\n * upon discontinuity or level switch detection, it will also notifies the remuxer so that it can reset its state.\n*/\n\nimport * as ADTS from './adts';\nimport MpegAudio from './mpegaudio';\nimport Event from '../events';\nimport ExpGolomb from './exp-golomb';\nimport SampleAesDecrypter from './sample-aes';\n// import Hex from '../utils/hex';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { utf8ArrayToStr } from './id3';\n\n// We are using fixed track IDs for driving the MP4 remuxer\n// instead of following the TS PIDs.\n// There is no reason not to do this and some browsers/SourceBuffer-demuxers\n// may not like if there are TrackID \"switches\"\n// See https://github.com/video-dev/hls.js/issues/1331\n// Here we are mapping our internal track types to constant MP4 track IDs\n// With MSE currently one can only have one track of each, and we are muxing\n// whatever video/audio rendition in them.\nconst RemuxerTrackIdConfig = {\n video: 1,\n audio: 2,\n id3: 3,\n text: 4\n};\n\nclass TSDemuxer {\n constructor (observer, remuxer, config, typeSupported) {\n this.observer = observer;\n this.config = config;\n this.typeSupported = typeSupported;\n this.remuxer = remuxer;\n this.sampleAes = null;\n }\n\n setDecryptData (decryptdata) {\n if ((decryptdata != null) && (decryptdata.key != null) && (decryptdata.method === 'SAMPLE-AES')) {\n this.sampleAes = new SampleAesDecrypter(this.observer, this.config, decryptdata, this.discardEPB);\n } else {\n this.sampleAes = null;\n }\n }\n\n static probe (data) {\n const syncOffset = TSDemuxer._syncOffset(data);\n if (syncOffset < 0) {\n return false;\n } else {\n if (syncOffset) {\n logger.warn(`MPEG2-TS detected but first sync word found @ offset ${syncOffset}, junk ahead ?`);\n }\n\n return true;\n }\n }\n\n static _syncOffset (data) {\n // scan 1000 first bytes\n const scanwindow = Math.min(1000, data.length - 3 * 188);\n let i = 0;\n while (i < scanwindow) {\n // a TS fragment should contain at least 3 TS packets, a PAT, a PMT, and one PID, each starting with 0x47\n if (data[i] === 0x47 && data[i + 188] === 0x47 && data[i + 2 * 188] === 0x47) {\n return i;\n } else {\n i++;\n }\n }\n return -1;\n }\n\n /**\n * Creates a track model internal to demuxer used to drive remuxing input\n *\n * @param {string} type 'audio' | 'video' | 'id3' | 'text'\n * @param {number} duration\n * @return {object} TSDemuxer's internal track model\n */\n static createTrack (type, duration) {\n return {\n container: type === 'video' || type === 'audio' ? 'video/mp2t' : undefined,\n type,\n id: RemuxerTrackIdConfig[type],\n pid: -1,\n inputTimeScale: 90000,\n sequenceNumber: 0,\n samples: [],\n dropped: type === 'video' ? 0 : undefined,\n isAAC: type === 'audio' ? true : undefined,\n duration: type === 'audio' ? duration : undefined\n };\n }\n\n /**\n * Initializes a new init segment on the demuxer/remuxer interface. Needed for discontinuities/track-switches (or at stream start)\n * Resets all internal track instances of the demuxer.\n *\n * @override Implements generic demuxing/remuxing interface (see DemuxerInline)\n * @param {object} initSegment\n * @param {string} audioCodec\n * @param {string} videoCodec\n * @param {number} duration (in TS timescale = 90kHz)\n */\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this.pmtParsed = false;\n this._pmtId = -1;\n\n this._avcTrack = TSDemuxer.createTrack('video', duration);\n this._audioTrack = TSDemuxer.createTrack('audio', duration);\n this._id3Track = TSDemuxer.createTrack('id3', duration);\n this._txtTrack = TSDemuxer.createTrack('text', duration);\n\n // flush any partial content\n this.aacOverFlow = null;\n this.aacLastPTS = null;\n this.avcSample = null;\n this.audioCodec = audioCodec;\n this.videoCodec = videoCodec;\n this._duration = duration;\n }\n\n /**\n *\n * @override\n */\n resetTimeStamp () {}\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let start, len = data.length, stt, pid, atf, offset, pes,\n unknownPIDs = false;\n this.contiguous = contiguous;\n let pmtParsed = this.pmtParsed,\n avcTrack = this._avcTrack,\n audioTrack = this._audioTrack,\n id3Track = this._id3Track,\n avcId = avcTrack.pid,\n audioId = audioTrack.pid,\n id3Id = id3Track.pid,\n pmtId = this._pmtId,\n avcData = avcTrack.pesData,\n audioData = audioTrack.pesData,\n id3Data = id3Track.pesData,\n parsePAT = this._parsePAT,\n parsePMT = this._parsePMT,\n parsePES = this._parsePES,\n parseAVCPES = this._parseAVCPES.bind(this),\n parseAACPES = this._parseAACPES.bind(this),\n parseMPEGPES = this._parseMPEGPES.bind(this),\n parseID3PES = this._parseID3PES.bind(this);\n\n const syncOffset = TSDemuxer._syncOffset(data);\n\n // don't parse last TS packet if incomplete\n len -= (len + syncOffset) % 188;\n\n // loop through TS packets\n for (start = syncOffset; start < len; start += 188) {\n if (data[start] === 0x47) {\n stt = !!(data[start + 1] & 0x40);\n // pid is a 13-bit field starting at the last bit of TS[1]\n pid = ((data[start + 1] & 0x1f) << 8) + data[start + 2];\n atf = (data[start + 3] & 0x30) >> 4;\n // if an adaption field is present, its length is specified by the fifth byte of the TS packet header.\n if (atf > 1) {\n offset = start + 5 + data[start + 4];\n // continue if there is only adaptation field\n if (offset === (start + 188)) {\n continue;\n }\n } else {\n offset = start + 4;\n }\n switch (pid) {\n case avcId:\n if (stt) {\n if (avcData && (pes = parsePES(avcData))) {\n parseAVCPES(pes, false);\n }\n\n avcData = { data: [], size: 0 };\n }\n if (avcData) {\n avcData.data.push(data.subarray(offset, start + 188));\n avcData.size += start + 188 - offset;\n }\n break;\n case audioId:\n if (stt) {\n if (audioData && (pes = parsePES(audioData))) {\n if (audioTrack.isAAC) {\n parseAACPES(pes);\n } else {\n parseMPEGPES(pes);\n }\n }\n audioData = { data: [], size: 0 };\n }\n if (audioData) {\n audioData.data.push(data.subarray(offset, start + 188));\n audioData.size += start + 188 - offset;\n }\n break;\n case id3Id:\n if (stt) {\n if (id3Data && (pes = parsePES(id3Data))) {\n parseID3PES(pes);\n }\n\n id3Data = { data: [], size: 0 };\n }\n if (id3Data) {\n id3Data.data.push(data.subarray(offset, start + 188));\n id3Data.size += start + 188 - offset;\n }\n break;\n case 0:\n if (stt) {\n offset += data[offset] + 1;\n }\n\n pmtId = this._pmtId = parsePAT(data, offset);\n break;\n case pmtId:\n if (stt) {\n offset += data[offset] + 1;\n }\n\n let parsedPIDs = parsePMT(data, offset, this.typeSupported.mpeg === true || this.typeSupported.mp3 === true, this.sampleAes != null);\n\n // only update track id if track PID found while parsing PMT\n // this is to avoid resetting the PID to -1 in case\n // track PID transiently disappears from the stream\n // this could happen in case of transient missing audio samples for example\n // NOTE this is only the PID of the track as found in TS,\n // but we are not using this for MP4 track IDs.\n avcId = parsedPIDs.avc;\n if (avcId > 0) {\n avcTrack.pid = avcId;\n }\n\n audioId = parsedPIDs.audio;\n if (audioId > 0) {\n audioTrack.pid = audioId;\n audioTrack.isAAC = parsedPIDs.isAAC;\n }\n id3Id = parsedPIDs.id3;\n if (id3Id > 0) {\n id3Track.pid = id3Id;\n }\n\n if (unknownPIDs && !pmtParsed) {\n logger.log('reparse from beginning');\n unknownPIDs = false;\n // we set it to -188, the += 188 in the for loop will reset start to 0\n start = syncOffset - 188;\n }\n pmtParsed = this.pmtParsed = true;\n break;\n case 17:\n case 0x1fff:\n break;\n default:\n unknownPIDs = true;\n break;\n }\n } else {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: false, reason: 'TS packet did not start with 0x47' });\n }\n }\n // try to parse last PES packets\n if (avcData && (pes = parsePES(avcData))) {\n parseAVCPES(pes, true);\n avcTrack.pesData = null;\n } else {\n // either avcData null or PES truncated, keep it for next frag parsing\n avcTrack.pesData = avcData;\n }\n\n if (audioData && (pes = parsePES(audioData))) {\n if (audioTrack.isAAC) {\n parseAACPES(pes);\n } else {\n parseMPEGPES(pes);\n }\n\n audioTrack.pesData = null;\n } else {\n if (audioData && audioData.size) {\n logger.log('last AAC PES packet truncated,might overlap between fragments');\n }\n\n // either audioData null or PES truncated, keep it for next frag parsing\n audioTrack.pesData = audioData;\n }\n\n if (id3Data && (pes = parsePES(id3Data))) {\n parseID3PES(pes);\n id3Track.pesData = null;\n } else {\n // either id3Data null or PES truncated, keep it for next frag parsing\n id3Track.pesData = id3Data;\n }\n\n if (this.sampleAes == null) {\n this.remuxer.remux(audioTrack, avcTrack, id3Track, this._txtTrack, timeOffset, contiguous, accurateTimeOffset);\n } else {\n this.decryptAndRemux(audioTrack, avcTrack, id3Track, this._txtTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n decryptAndRemux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n if (audioTrack.samples && audioTrack.isAAC) {\n let localthis = this;\n this.sampleAes.decryptAacSamples(audioTrack.samples, 0, function () {\n localthis.decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n });\n } else {\n this.decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n decryptAndRemuxAvc (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n if (videoTrack.samples) {\n let localthis = this;\n this.sampleAes.decryptAvcSamples(videoTrack.samples, 0, 0, function () {\n localthis.remuxer.remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n });\n } else {\n this.remuxer.remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n destroy () {\n this._initPTS = this._initDTS = undefined;\n this._duration = 0;\n }\n\n _parsePAT (data, offset) {\n // skip the PSI header and parse the first PMT entry\n return (data[offset + 10] & 0x1F) << 8 | data[offset + 11];\n // logger.log('PMT PID:' + this._pmtId);\n }\n\n _parsePMT (data, offset, mpegSupported, isSampleAes) {\n let sectionLength, tableEnd, programInfoLength, pid, result = { audio: -1, avc: -1, id3: -1, isAAC: true };\n sectionLength = (data[offset + 1] & 0x0f) << 8 | data[offset + 2];\n tableEnd = offset + 3 + sectionLength - 4;\n // to determine where the table is, we have to figure out how\n // long the program info descriptors are\n programInfoLength = (data[offset + 10] & 0x0f) << 8 | data[offset + 11];\n // advance the offset to the first entry in the mapping table\n offset += 12 + programInfoLength;\n while (offset < tableEnd) {\n pid = (data[offset + 1] & 0x1F) << 8 | data[offset + 2];\n switch (data[offset]) {\n case 0xcf: // SAMPLE-AES AAC\n if (!isSampleAes) {\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n /* falls through */\n\n // ISO/IEC 13818-7 ADTS AAC (MPEG-2 lower bit-rate audio)\n case 0x0f:\n // logger.log('AAC PID:' + pid);\n if (result.audio === -1) {\n result.audio = pid;\n }\n\n break;\n\n // Packetized metadata (ID3)\n case 0x15:\n // logger.log('ID3 PID:' + pid);\n if (result.id3 === -1) {\n result.id3 = pid;\n }\n\n break;\n\n case 0xdb: // SAMPLE-AES AVC\n if (!isSampleAes) {\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n /* falls through */\n\n // ITU-T Rec. H.264 and ISO/IEC 14496-10 (lower bit-rate video)\n case 0x1b:\n // logger.log('AVC PID:' + pid);\n if (result.avc === -1) {\n result.avc = pid;\n }\n\n break;\n\n // ISO/IEC 11172-3 (MPEG-1 audio)\n // or ISO/IEC 13818-3 (MPEG-2 halved sample rate audio)\n case 0x03:\n case 0x04:\n // logger.log('MPEG PID:' + pid);\n if (!mpegSupported) {\n logger.log('MPEG audio found, not supported in this browser for now');\n } else if (result.audio === -1) {\n result.audio = pid;\n result.isAAC = false;\n }\n break;\n\n case 0x24:\n logger.warn('HEVC stream type found, not supported for now');\n break;\n\n default:\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n // move to the next table entry\n // skip past the elementary stream descriptors, if present\n offset += ((data[offset + 3] & 0x0F) << 8 | data[offset + 4]) + 5;\n }\n return result;\n }\n\n _parsePES (stream) {\n let i = 0, frag, pesFlags, pesPrefix, pesLen, pesHdrLen, pesData, pesPts, pesDts, payloadStartOffset, data = stream.data;\n // safety check\n if (!stream || stream.size === 0) {\n return null;\n }\n\n // we might need up to 19 bytes to read PES header\n // if first chunk of data is less than 19 bytes, let's merge it with following ones until we get 19 bytes\n // usually only one merge is needed (and this is rare ...)\n while (data[0].length < 19 && data.length > 1) {\n let newData = new Uint8Array(data[0].length + data[1].length);\n newData.set(data[0]);\n newData.set(data[1], data[0].length);\n data[0] = newData;\n data.splice(1, 1);\n }\n // retrieve PTS/DTS from first fragment\n frag = data[0];\n pesPrefix = (frag[0] << 16) + (frag[1] << 8) + frag[2];\n if (pesPrefix === 1) {\n pesLen = (frag[4] << 8) + frag[5];\n // if PES parsed length is not zero and greater than total received length, stop parsing. PES might be truncated\n // minus 6 : PES header size\n if (pesLen && pesLen > stream.size - 6) {\n return null;\n }\n\n pesFlags = frag[7];\n if (pesFlags & 0xC0) {\n /* PES header described here : http://dvd.sourceforge.net/dvdinfo/pes-hdr.html\n as PTS / DTS is 33 bit we cannot use bitwise operator in JS,\n as Bitwise operators treat their operands as a sequence of 32 bits */\n pesPts = (frag[9] & 0x0E) * 536870912 +// 1 << 29\n (frag[10] & 0xFF) * 4194304 +// 1 << 22\n (frag[11] & 0xFE) * 16384 +// 1 << 14\n (frag[12] & 0xFF) * 128 +// 1 << 7\n (frag[13] & 0xFE) / 2;\n // check if greater than 2^32 -1\n if (pesPts > 4294967295) {\n // decrement 2^33\n pesPts -= 8589934592;\n }\n if (pesFlags & 0x40) {\n pesDts = (frag[14] & 0x0E) * 536870912 +// 1 << 29\n (frag[15] & 0xFF) * 4194304 +// 1 << 22\n (frag[16] & 0xFE) * 16384 +// 1 << 14\n (frag[17] & 0xFF) * 128 +// 1 << 7\n (frag[18] & 0xFE) / 2;\n // check if greater than 2^32 -1\n if (pesDts > 4294967295) {\n // decrement 2^33\n pesDts -= 8589934592;\n }\n if (pesPts - pesDts > 60 * 90000) {\n logger.warn(`${Math.round((pesPts - pesDts) / 90000)}s delta between PTS and DTS, align them`);\n pesPts = pesDts;\n }\n } else {\n pesDts = pesPts;\n }\n }\n pesHdrLen = frag[8];\n // 9 bytes : 6 bytes for PES header + 3 bytes for PES extension\n payloadStartOffset = pesHdrLen + 9;\n\n if (stream.size <= payloadStartOffset) {\n return null;\n }\n stream.size -= payloadStartOffset;\n // reassemble PES packet\n pesData = new Uint8Array(stream.size);\n for (let j = 0, dataLen = data.length; j < dataLen; j++) {\n frag = data[j];\n let len = frag.byteLength;\n if (payloadStartOffset) {\n if (payloadStartOffset > len) {\n // trim full frag if PES header bigger than frag\n payloadStartOffset -= len;\n continue;\n } else {\n // trim partial frag if PES header smaller than frag\n frag = frag.subarray(payloadStartOffset);\n len -= payloadStartOffset;\n payloadStartOffset = 0;\n }\n }\n pesData.set(frag, i);\n i += len;\n }\n if (pesLen) {\n // payload size : remove PES header + PES extension\n pesLen -= pesHdrLen + 3;\n }\n return { data: pesData, pts: pesPts, dts: pesDts, len: pesLen };\n } else {\n return null;\n }\n }\n\n pushAccesUnit (avcSample, avcTrack) {\n if (avcSample.units.length && avcSample.frame) {\n const samples = avcTrack.samples;\n const nbSamples = samples.length;\n // if sample does not have PTS/DTS, patch with last sample PTS/DTS\n if (isNaN(avcSample.pts)) {\n if (nbSamples) {\n const lastSample = samples[nbSamples - 1];\n avcSample.pts = lastSample.pts;\n avcSample.dts = lastSample.dts;\n } else {\n // dropping samples, no timestamp found\n avcTrack.dropped++;\n return;\n }\n }\n // only push AVC sample if starting with a keyframe is not mandatory OR\n // if keyframe already found in this fragment OR\n // keyframe found in last fragment (track.sps) AND\n // samples already appended (we already found a keyframe in this fragment) OR fragment is contiguous\n if (!this.config.forceKeyFrameOnDiscontinuity ||\n avcSample.key === true ||\n (avcTrack.sps && (nbSamples || this.contiguous))) {\n avcSample.id = nbSamples;\n samples.push(avcSample);\n } else {\n // dropped samples, track it\n avcTrack.dropped++;\n }\n }\n if (avcSample.debug.length) {\n logger.log(avcSample.pts + '/' + avcSample.dts + ':' + avcSample.debug);\n }\n }\n\n _parseAVCPES (pes, last) {\n // logger.log('parse new PES');\n let track = this._avcTrack,\n units = this._parseAVCNALu(pes.data),\n debug = false,\n expGolombDecoder,\n avcSample = this.avcSample,\n push,\n spsfound = false,\n i,\n pushAccesUnit = this.pushAccesUnit.bind(this),\n createAVCSample = function (key, pts, dts, debug) {\n return { key: key, pts: pts, dts: dts, units: [], debug: debug };\n };\n // free pes.data to save up some memory\n pes.data = null;\n\n // if new NAL units found and last sample still there, let's push ...\n // this helps parsing streams with missing AUD (only do this if AUD never found)\n if (avcSample && units.length && !track.audFound) {\n pushAccesUnit(avcSample, track);\n avcSample = this.avcSample = createAVCSample(false, pes.pts, pes.dts, '');\n }\n\n units.forEach(unit => {\n switch (unit.type) {\n // NDR\n case 1:\n push = true;\n if (!avcSample) {\n avcSample = this.avcSample = createAVCSample(true, pes.pts, pes.dts, '');\n }\n\n if (debug) {\n avcSample.debug += 'NDR ';\n }\n\n avcSample.frame = true;\n let data = unit.data;\n // only check slice type to detect KF in case SPS found in same packet (any keyframe is preceded by SPS ...)\n if (spsfound && data.length > 4) {\n // retrieve slice type by parsing beginning of NAL unit (follow H264 spec, slice_header definition) to detect keyframe embedded in NDR\n let sliceType = new ExpGolomb(data).readSliceType();\n // 2 : I slice, 4 : SI slice, 7 : I slice, 9: SI slice\n // SI slice : A slice that is coded using intra prediction only and using quantisation of the prediction samples.\n // An SI slice can be coded such that its decoded samples can be constructed identically to an SP slice.\n // I slice: A slice that is not an SI slice that is decoded using intra prediction only.\n // if (sliceType === 2 || sliceType === 7) {\n if (sliceType === 2 || sliceType === 4 || sliceType === 7 || sliceType === 9) {\n avcSample.key = true;\n }\n }\n break;\n // IDR\n case 5:\n push = true;\n // handle PES not starting with AUD\n if (!avcSample) {\n avcSample = this.avcSample = createAVCSample(true, pes.pts, pes.dts, '');\n }\n\n if (debug) {\n avcSample.debug += 'IDR ';\n }\n\n avcSample.key = true;\n avcSample.frame = true;\n break;\n // SEI\n case 6:\n push = true;\n if (debug && avcSample) {\n avcSample.debug += 'SEI ';\n }\n\n expGolombDecoder = new ExpGolomb(this.discardEPB(unit.data));\n\n // skip frameType\n expGolombDecoder.readUByte();\n\n var payloadType = 0;\n var payloadSize = 0;\n var endOfCaptions = false;\n var b = 0;\n\n while (!endOfCaptions && expGolombDecoder.bytesAvailable > 1) {\n payloadType = 0;\n do {\n b = expGolombDecoder.readUByte();\n payloadType += b;\n } while (b === 0xFF);\n\n // Parse payload size.\n payloadSize = 0;\n do {\n b = expGolombDecoder.readUByte();\n payloadSize += b;\n } while (b === 0xFF);\n\n // TODO: there can be more than one payload in an SEI packet...\n // TODO: need to read type and size in a while loop to get them all\n if (payloadType === 4 && expGolombDecoder.bytesAvailable !== 0) {\n endOfCaptions = true;\n\n let countryCode = expGolombDecoder.readUByte();\n\n if (countryCode === 181) {\n let providerCode = expGolombDecoder.readUShort();\n\n if (providerCode === 49) {\n let userStructure = expGolombDecoder.readUInt();\n\n if (userStructure === 0x47413934) {\n let userDataType = expGolombDecoder.readUByte();\n\n // Raw CEA-608 bytes wrapped in CEA-708 packet\n if (userDataType === 3) {\n let firstByte = expGolombDecoder.readUByte();\n let secondByte = expGolombDecoder.readUByte();\n\n let totalCCs = 31 & firstByte;\n let byteArray = [firstByte, secondByte];\n\n for (i = 0; i < totalCCs; i++) {\n // 3 bytes per CC\n byteArray.push(expGolombDecoder.readUByte());\n byteArray.push(expGolombDecoder.readUByte());\n byteArray.push(expGolombDecoder.readUByte());\n }\n\n this._insertSampleInOrder(this._txtTrack.samples, { type: 3, pts: pes.pts, bytes: byteArray });\n }\n }\n }\n }\n } else if (payloadType === 5 && expGolombDecoder.bytesAvailable !== 0) {\n endOfCaptions = true;\n\n if (payloadSize > 16) {\n const uuidStrArray = [];\n for (i = 0; i < 16; i++) {\n uuidStrArray.push(expGolombDecoder.readUByte().toString(16));\n\n if (i === 3 || i === 5 || i === 7 || i === 9) {\n uuidStrArray.push('-');\n }\n }\n const length = payloadSize - 16;\n const userDataPayloadBytes = new Uint8Array(length);\n for (i = 0; i < length; i++) {\n userDataPayloadBytes[i] = expGolombDecoder.readUByte();\n }\n\n this._insertSampleInOrder(this._txtTrack.samples, {\n pts: pes.pts,\n payloadType: payloadType,\n uuid: uuidStrArray.join(''),\n userDataBytes: userDataPayloadBytes,\n userData: utf8ArrayToStr(userDataPayloadBytes.buffer)\n });\n }\n } else if (payloadSize < expGolombDecoder.bytesAvailable) {\n for (i = 0; i < payloadSize; i++) {\n expGolombDecoder.readUByte();\n }\n }\n }\n break;\n // SPS\n case 7:\n push = true;\n spsfound = true;\n if (debug && avcSample) {\n avcSample.debug += 'SPS ';\n }\n\n if (!track.sps) {\n expGolombDecoder = new ExpGolomb(unit.data);\n let config = expGolombDecoder.readSPS();\n track.width = config.width;\n track.height = config.height;\n track.pixelRatio = config.pixelRatio;\n track.sps = [unit.data];\n track.duration = this._duration;\n let codecarray = unit.data.subarray(1, 4);\n let codecstring = 'avc1.';\n for (i = 0; i < 3; i++) {\n let h = codecarray[i].toString(16);\n if (h.length < 2) {\n h = '0' + h;\n }\n\n codecstring += h;\n }\n track.codec = codecstring;\n }\n break;\n // PPS\n case 8:\n push = true;\n if (debug && avcSample) {\n avcSample.debug += 'PPS ';\n }\n\n if (!track.pps) {\n track.pps = [unit.data];\n }\n\n break;\n // AUD\n case 9:\n push = false;\n track.audFound = true;\n if (avcSample) {\n pushAccesUnit(avcSample, track);\n }\n\n avcSample = this.avcSample = createAVCSample(false, pes.pts, pes.dts, debug ? 'AUD ' : '');\n break;\n // Filler Data\n case 12:\n push = false;\n break;\n default:\n push = false;\n if (avcSample) {\n avcSample.debug += 'unknown NAL ' + unit.type + ' ';\n }\n\n break;\n }\n if (avcSample && push) {\n let units = avcSample.units;\n units.push(unit);\n }\n });\n // if last PES packet, push samples\n if (last && avcSample) {\n pushAccesUnit(avcSample, track);\n this.avcSample = null;\n }\n }\n\n _insertSampleInOrder (arr, data) {\n let len = arr.length;\n if (len > 0) {\n if (data.pts >= arr[len - 1].pts) {\n arr.push(data);\n } else {\n for (let pos = len - 1; pos >= 0; pos--) {\n if (data.pts < arr[pos].pts) {\n arr.splice(pos, 0, data);\n break;\n }\n }\n }\n } else {\n arr.push(data);\n }\n }\n\n _getLastNalUnit () {\n let avcSample = this.avcSample, lastUnit;\n // try to fallback to previous sample if current one is empty\n if (!avcSample || avcSample.units.length === 0) {\n let track = this._avcTrack, samples = track.samples;\n avcSample = samples[samples.length - 1];\n }\n if (avcSample) {\n let units = avcSample.units;\n lastUnit = units[units.length - 1];\n }\n return lastUnit;\n }\n\n _parseAVCNALu (array) {\n let i = 0, len = array.byteLength, value, overflow, track = this._avcTrack, state = track.naluState || 0, lastState = state;\n let units = [], unit, unitType, lastUnitStart = -1, lastUnitType;\n // logger.log('PES:' + Hex.hexDump(array));\n\n if (state === -1) {\n // special use case where we found 3 or 4-byte start codes exactly at the end of previous PES packet\n lastUnitStart = 0;\n // NALu type is value read from offset 0\n lastUnitType = array[0] & 0x1f;\n state = 0;\n i = 1;\n }\n\n while (i < len) {\n value = array[i++];\n // optimization. state 0 and 1 are the predominant case. let's handle them outside of the switch/case\n if (!state) {\n state = value ? 0 : 1;\n continue;\n }\n if (state === 1) {\n state = value ? 0 : 2;\n continue;\n }\n // here we have state either equal to 2 or 3\n if (!value) {\n state = 3;\n } else if (value === 1) {\n if (lastUnitStart >= 0) {\n unit = { data: array.subarray(lastUnitStart, i - state - 1), type: lastUnitType };\n // logger.log('pushing NALU, type/size:' + unit.type + '/' + unit.data.byteLength);\n units.push(unit);\n } else {\n // lastUnitStart is undefined => this is the first start code found in this PES packet\n // first check if start code delimiter is overlapping between 2 PES packets,\n // ie it started in last packet (lastState not zero)\n // and ended at the beginning of this PES packet (i <= 4 - lastState)\n let lastUnit = this._getLastNalUnit();\n if (lastUnit) {\n if (lastState && (i <= 4 - lastState)) {\n // start delimiter overlapping between PES packets\n // strip start delimiter bytes from the end of last NAL unit\n // check if lastUnit had a state different from zero\n if (lastUnit.state) {\n // strip last bytes\n lastUnit.data = lastUnit.data.subarray(0, lastUnit.data.byteLength - lastState);\n }\n }\n // If NAL units are not starting right at the beginning of the PES packet, push preceding data into previous NAL unit.\n overflow = i - state - 1;\n if (overflow > 0) {\n // logger.log('first NALU found with overflow:' + overflow);\n let tmp = new Uint8Array(lastUnit.data.byteLength + overflow);\n tmp.set(lastUnit.data, 0);\n tmp.set(array.subarray(0, overflow), lastUnit.data.byteLength);\n lastUnit.data = tmp;\n }\n }\n }\n // check if we can read unit type\n if (i < len) {\n unitType = array[i] & 0x1f;\n // logger.log('find NALU @ offset:' + i + ',type:' + unitType);\n lastUnitStart = i;\n lastUnitType = unitType;\n state = 0;\n } else {\n // not enough byte to read unit type. let's read it on next PES parsing\n state = -1;\n }\n } else {\n state = 0;\n }\n }\n if (lastUnitStart >= 0 && state >= 0) {\n unit = { data: array.subarray(lastUnitStart, len), type: lastUnitType, state: state };\n units.push(unit);\n // logger.log('pushing NALU, type/size/state:' + unit.type + '/' + unit.data.byteLength + '/' + state);\n }\n // no NALu found\n if (units.length === 0) {\n // append pes.data to previous NAL unit\n let lastUnit = this._getLastNalUnit();\n if (lastUnit) {\n let tmp = new Uint8Array(lastUnit.data.byteLength + array.byteLength);\n tmp.set(lastUnit.data, 0);\n tmp.set(array, lastUnit.data.byteLength);\n lastUnit.data = tmp;\n }\n }\n track.naluState = state;\n return units;\n }\n\n /**\n * remove Emulation Prevention bytes from a RBSP\n */\n discardEPB (data) {\n let length = data.byteLength,\n EPBPositions = [],\n i = 1,\n newLength, newData;\n\n // Find all `Emulation Prevention Bytes`\n while (i < length - 2) {\n if (data[i] === 0 &&\n data[i + 1] === 0 &&\n data[i + 2] === 0x03) {\n EPBPositions.push(i + 2);\n i += 2;\n } else {\n i++;\n }\n }\n\n // If no Emulation Prevention Bytes were found just return the original\n // array\n if (EPBPositions.length === 0) {\n return data;\n }\n\n // Create a new array to hold the NAL unit data\n newLength = length - EPBPositions.length;\n newData = new Uint8Array(newLength);\n let sourceIndex = 0;\n\n for (i = 0; i < newLength; sourceIndex++, i++) {\n if (sourceIndex === EPBPositions[0]) {\n // Skip this byte\n sourceIndex++;\n // Remove this position index\n EPBPositions.shift();\n }\n newData[i] = data[sourceIndex];\n }\n return newData;\n }\n\n _parseAACPES (pes) {\n let track = this._audioTrack,\n data = pes.data,\n pts = pes.pts,\n startOffset = 0,\n aacOverFlow = this.aacOverFlow,\n aacLastPTS = this.aacLastPTS,\n frameDuration, frameIndex, offset, stamp, len;\n if (aacOverFlow) {\n let tmp = new Uint8Array(aacOverFlow.byteLength + data.byteLength);\n tmp.set(aacOverFlow, 0);\n tmp.set(data, aacOverFlow.byteLength);\n // logger.log(`AAC: append overflowing ${aacOverFlow.byteLength} bytes to beginning of new PES`);\n data = tmp;\n }\n // look for ADTS header (0xFFFx)\n for (offset = startOffset, len = data.length; offset < len - 1; offset++) {\n if (ADTS.isHeader(data, offset)) {\n break;\n }\n }\n // if ADTS header does not start straight from the beginning of the PES payload, raise an error\n if (offset) {\n let reason, fatal;\n if (offset < len - 1) {\n reason = `AAC PES did not start with ADTS header,offset:${offset}`;\n fatal = false;\n } else {\n reason = 'no ADTS header found in AAC PES';\n fatal = true;\n }\n logger.warn(`parsing error:${reason}`);\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: fatal, reason: reason });\n if (fatal) {\n return;\n }\n }\n\n ADTS.initTrackConfig(track, this.observer, data, offset, this.audioCodec);\n frameIndex = 0;\n frameDuration = ADTS.getFrameDuration(track.samplerate);\n\n // if last AAC frame is overflowing, we should ensure timestamps are contiguous:\n // first sample PTS should be equal to last sample PTS + frameDuration\n if (aacOverFlow && aacLastPTS) {\n let newPTS = aacLastPTS + frameDuration;\n if (Math.abs(newPTS - pts) > 1) {\n logger.log(`AAC: align PTS for overlapping frames by ${Math.round((newPTS - pts) / 90)}`);\n pts = newPTS;\n }\n }\n\n // scan for aac samples\n while (offset < len) {\n if (ADTS.isHeader(data, offset)) {\n if ((offset + 5) < len) {\n const frame = ADTS.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n continue;\n }\n }\n // We are at an ADTS header, but do not have enough data for a frame\n // Remaining data will be added to aacOverFlow\n break;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n if (offset < len) {\n aacOverFlow = data.subarray(offset, len);\n // logger.log(`AAC: overflow detected:${len-offset}`);\n } else {\n aacOverFlow = null;\n }\n\n this.aacOverFlow = aacOverFlow;\n this.aacLastPTS = stamp;\n }\n\n _parseMPEGPES (pes) {\n let data = pes.data;\n let length = data.length;\n let frameIndex = 0;\n let offset = 0;\n let pts = pes.pts;\n\n while (offset < length) {\n if (MpegAudio.isHeader(data, offset)) {\n let frame = MpegAudio.appendFrame(this._audioTrack, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n frameIndex++;\n } else {\n // logger.log('Unable to parse Mpeg audio frame');\n break;\n }\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n }\n\n _parseID3PES (pes) {\n this._id3Track.samples.push(pes);\n }\n}\n\nexport default TSDemuxer;\n","/**\n * MP3 demuxer\n */\nimport ID3 from '../demux/id3';\nimport { logger } from '../utils/logger';\nimport MpegAudio from './mpegaudio';\n\nclass MP3Demuxer {\n constructor (observer, remuxer, config) {\n this.observer = observer;\n this.config = config;\n this.remuxer = remuxer;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this._audioTrack = { container: 'audio/mpeg', type: 'audio', id: -1, sequenceNumber: 0, isAAC: false, samples: [], len: 0, manifestCodec: audioCodec, duration: duration, inputTimeScale: 90000 };\n }\n\n resetTimeStamp () {\n }\n\n static probe (data) {\n // check if data contains ID3 timestamp and MPEG sync word\n let offset, length;\n let id3Data = ID3.getID3Data(data, 0);\n if (id3Data && ID3.getTimeStamp(id3Data) !== undefined) {\n // Look for MPEG header | 1111 1111 | 111X XYZX | where X can be either 0 or 1 and Y or Z should be 1\n // Layer bits (position 14 and 15) in header should be always different from 0 (Layer I or Layer II or Layer III)\n // More info http://www.mp3-tech.org/programmer/frame_header.html\n for (offset = id3Data.length, length = Math.min(data.length - 1, offset + 100); offset < length; offset++) {\n if (MpegAudio.probe(data, offset)) {\n logger.log('MPEG Audio sync word found !');\n return true;\n }\n }\n }\n return false;\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let id3Data = ID3.getID3Data(data, 0);\n let timestamp = ID3.getTimeStamp(id3Data);\n let pts = timestamp ? 90 * timestamp : timeOffset * 90000;\n let offset = id3Data.length;\n let length = data.length;\n let frameIndex = 0, stamp = 0;\n let track = this._audioTrack;\n\n let id3Samples = [{ pts: pts, dts: pts, data: id3Data }];\n\n while (offset < length) {\n if (MpegAudio.isHeader(data, offset)) {\n let frame = MpegAudio.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n } else {\n // logger.log('Unable to parse Mpeg audio frame');\n break;\n }\n } else if (ID3.isHeader(data, offset)) {\n id3Data = ID3.getID3Data(data, offset);\n id3Samples.push({ pts: stamp, dts: stamp, data: id3Data });\n offset += id3Data.length;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n this.remuxer.remux(track,\n { samples: [] },\n { samples: id3Samples, inputTimeScale: 90000 },\n { samples: [] },\n timeOffset,\n contiguous,\n accurateTimeOffset);\n }\n\n destroy () {\n }\n}\n\nexport default MP3Demuxer;\n","/**\n * AAC helper\n */\n\nclass AAC {\n static getSilentFrame (codec, channelCount) {\n switch (codec) {\n case 'mp4a.40.2':\n if (channelCount === 1) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x23, 0x80]);\n } else if (channelCount === 2) {\n return new Uint8Array([0x21, 0x00, 0x49, 0x90, 0x02, 0x19, 0x00, 0x23, 0x80]);\n } else if (channelCount === 3) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x8e]);\n } else if (channelCount === 4) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x80, 0x2c, 0x80, 0x08, 0x02, 0x38]);\n } else if (channelCount === 5) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x38]);\n } else if (channelCount === 6) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x00, 0xb2, 0x00, 0x20, 0x08, 0xe0]);\n }\n\n break;\n // handle HE-AAC below (mp4a.40.5 / mp4a.40.29)\n default:\n if (channelCount === 1) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0:d=0.05\" -c:a libfdk_aac -profile:a aac_he -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x4e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x1c, 0x6, 0xf1, 0xc1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n } else if (channelCount === 2) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0|0:d=0.05\" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n } else if (channelCount === 3) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0|0|0:d=0.05\" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n }\n break;\n }\n return null;\n }\n}\n\nexport default AAC;\n","/**\n * Generate MP4 Box\n*/\n\nconst UINT32_MAX = Math.pow(2, 32) - 1;\n\nclass MP4 {\n static init () {\n MP4.types = {\n avc1: [], // codingname\n avcC: [],\n btrt: [],\n dinf: [],\n dref: [],\n esds: [],\n ftyp: [],\n hdlr: [],\n mdat: [],\n mdhd: [],\n mdia: [],\n mfhd: [],\n minf: [],\n moof: [],\n moov: [],\n mp4a: [],\n '.mp3': [],\n mvex: [],\n mvhd: [],\n pasp: [],\n sdtp: [],\n stbl: [],\n stco: [],\n stsc: [],\n stsd: [],\n stsz: [],\n stts: [],\n tfdt: [],\n tfhd: [],\n traf: [],\n trak: [],\n trun: [],\n trex: [],\n tkhd: [],\n vmhd: [],\n smhd: []\n };\n\n let i;\n for (i in MP4.types) {\n if (MP4.types.hasOwnProperty(i)) {\n MP4.types[i] = [\n i.charCodeAt(0),\n i.charCodeAt(1),\n i.charCodeAt(2),\n i.charCodeAt(3)\n ];\n }\n }\n\n let videoHdlr = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0x76, 0x69, 0x64, 0x65, // handler_type: 'vide'\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x56, 0x69, 0x64, 0x65,\n 0x6f, 0x48, 0x61, 0x6e,\n 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'VideoHandler'\n ]);\n\n let audioHdlr = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0x73, 0x6f, 0x75, 0x6e, // handler_type: 'soun'\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x53, 0x6f, 0x75, 0x6e,\n 0x64, 0x48, 0x61, 0x6e,\n 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'SoundHandler'\n ]);\n\n MP4.HDLR_TYPES = {\n 'video': videoHdlr,\n 'audio': audioHdlr\n };\n\n let dref = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x01, // entry_count\n 0x00, 0x00, 0x00, 0x0c, // entry_size\n 0x75, 0x72, 0x6c, 0x20, // 'url' type\n 0x00, // version 0\n 0x00, 0x00, 0x01 // entry_flags\n ]);\n\n let stco = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00 // entry_count\n ]);\n\n MP4.STTS = MP4.STSC = MP4.STCO = stco;\n\n MP4.STSZ = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // sample_size\n 0x00, 0x00, 0x00, 0x00 // sample_count\n ]);\n MP4.VMHD = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x01, // flags\n 0x00, 0x00, // graphicsmode\n 0x00, 0x00,\n 0x00, 0x00,\n 0x00, 0x00 // opcolor\n ]);\n MP4.SMHD = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, // balance\n 0x00, 0x00 // reserved\n ]);\n\n MP4.STSD = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x01]);// entry_count\n\n let majorBrand = new Uint8Array([105, 115, 111, 109]); // isom\n let avc1Brand = new Uint8Array([97, 118, 99, 49]); // avc1\n let minorVersion = new Uint8Array([0, 0, 0, 1]);\n\n MP4.FTYP = MP4.box(MP4.types.ftyp, majorBrand, minorVersion, majorBrand, avc1Brand);\n MP4.DINF = MP4.box(MP4.types.dinf, MP4.box(MP4.types.dref, dref));\n }\n\n static box (type) {\n let\n payload = Array.prototype.slice.call(arguments, 1),\n size = 8,\n i = payload.length,\n len = i,\n result;\n // calculate the total size we need to allocate\n while (i--) {\n size += payload[i].byteLength;\n }\n\n result = new Uint8Array(size);\n result[0] = (size >> 24) & 0xff;\n result[1] = (size >> 16) & 0xff;\n result[2] = (size >> 8) & 0xff;\n result[3] = size & 0xff;\n result.set(type, 4);\n // copy the payload into the result\n for (i = 0, size = 8; i < len; i++) {\n // copy payload[i] array @ offset size\n result.set(payload[i], size);\n size += payload[i].byteLength;\n }\n return result;\n }\n\n static hdlr (type) {\n return MP4.box(MP4.types.hdlr, MP4.HDLR_TYPES[type]);\n }\n\n static mdat (data) {\n return MP4.box(MP4.types.mdat, data);\n }\n\n static mdhd (timescale, duration) {\n duration *= timescale;\n const upperWordDuration = Math.floor(duration / (UINT32_MAX + 1));\n const lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n return MP4.box(MP4.types.mdhd, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (timescale >> 24) & 0xFF,\n (timescale >> 16) & 0xFF,\n (timescale >> 8) & 0xFF,\n timescale & 0xFF, // timescale\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x55, 0xc4, // 'und' language (undetermined)\n 0x00, 0x00\n ]));\n }\n\n static mdia (track) {\n return MP4.box(MP4.types.mdia, MP4.mdhd(track.timescale, track.duration), MP4.hdlr(track.type), MP4.minf(track));\n }\n\n static mfhd (sequenceNumber) {\n return MP4.box(MP4.types.mfhd, new Uint8Array([\n 0x00,\n 0x00, 0x00, 0x00, // flags\n (sequenceNumber >> 24),\n (sequenceNumber >> 16) & 0xFF,\n (sequenceNumber >> 8) & 0xFF,\n sequenceNumber & 0xFF // sequence_number\n ]));\n }\n\n static minf (track) {\n if (track.type === 'audio') {\n return MP4.box(MP4.types.minf, MP4.box(MP4.types.smhd, MP4.SMHD), MP4.DINF, MP4.stbl(track));\n } else {\n return MP4.box(MP4.types.minf, MP4.box(MP4.types.vmhd, MP4.VMHD), MP4.DINF, MP4.stbl(track));\n }\n }\n\n static moof (sn, baseMediaDecodeTime, track) {\n return MP4.box(MP4.types.moof, MP4.mfhd(sn), MP4.traf(track, baseMediaDecodeTime));\n }\n /**\n * @param tracks... (optional) {array} the tracks associated with this movie\n */\n static moov (tracks) {\n let\n i = tracks.length,\n boxes = [];\n\n while (i--) {\n boxes[i] = MP4.trak(tracks[i]);\n }\n\n return MP4.box.apply(null, [MP4.types.moov, MP4.mvhd(tracks[0].timescale, tracks[0].duration)].concat(boxes).concat(MP4.mvex(tracks)));\n }\n\n static mvex (tracks) {\n let\n i = tracks.length,\n boxes = [];\n\n while (i--) {\n boxes[i] = MP4.trex(tracks[i]);\n }\n\n return MP4.box.apply(null, [MP4.types.mvex].concat(boxes));\n }\n\n static mvhd (timescale, duration) {\n duration *= timescale;\n const upperWordDuration = Math.floor(duration / (UINT32_MAX + 1));\n const lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n let\n bytes = new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (timescale >> 24) & 0xFF,\n (timescale >> 16) & 0xFF,\n (timescale >> 8) & 0xFF,\n timescale & 0xFF, // timescale\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x00, 0x01, 0x00, 0x00, // 1.0 rate\n 0x01, 0x00, // 1.0 volume\n 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0xff, 0xff, 0xff, 0xff // next_track_ID\n ]);\n return MP4.box(MP4.types.mvhd, bytes);\n }\n\n static sdtp (track) {\n let\n samples = track.samples || [],\n bytes = new Uint8Array(4 + samples.length),\n flags,\n i;\n // leave the full box header (4 bytes) all zero\n // write the sample table\n for (i = 0; i < samples.length; i++) {\n flags = samples[i].flags;\n bytes[i + 4] = (flags.dependsOn << 4) |\n (flags.isDependedOn << 2) |\n (flags.hasRedundancy);\n }\n\n return MP4.box(MP4.types.sdtp, bytes);\n }\n\n static stbl (track) {\n return MP4.box(MP4.types.stbl, MP4.stsd(track), MP4.box(MP4.types.stts, MP4.STTS), MP4.box(MP4.types.stsc, MP4.STSC), MP4.box(MP4.types.stsz, MP4.STSZ), MP4.box(MP4.types.stco, MP4.STCO));\n }\n\n static avc1 (track) {\n let sps = [], pps = [], i, data, len;\n // assemble the SPSs\n\n for (i = 0; i < track.sps.length; i++) {\n data = track.sps[i];\n len = data.byteLength;\n sps.push((len >>> 8) & 0xFF);\n sps.push((len & 0xFF));\n\n // SPS\n sps = sps.concat(Array.prototype.slice.call(data));\n }\n\n // assemble the PPSs\n for (i = 0; i < track.pps.length; i++) {\n data = track.pps[i];\n len = data.byteLength;\n pps.push((len >>> 8) & 0xFF);\n pps.push((len & 0xFF));\n\n pps = pps.concat(Array.prototype.slice.call(data));\n }\n\n let avcc = MP4.box(MP4.types.avcC, new Uint8Array([\n 0x01, // version\n sps[3], // profile\n sps[4], // profile compat\n sps[5], // level\n 0xfc | 3, // lengthSizeMinusOne, hard-coded to 4 bytes\n 0xE0 | track.sps.length // 3bit reserved (111) + numOfSequenceParameterSets\n ].concat(sps).concat([\n track.pps.length // numOfPictureParameterSets\n ]).concat(pps))), // \"PPS\"\n width = track.width,\n height = track.height,\n hSpacing = track.pixelRatio[0],\n vSpacing = track.pixelRatio[1];\n\n return MP4.box(MP4.types.avc1, new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, // pre_defined\n 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n (width >> 8) & 0xFF,\n width & 0xff, // width\n (height >> 8) & 0xFF,\n height & 0xff, // height\n 0x00, 0x48, 0x00, 0x00, // horizresolution\n 0x00, 0x48, 0x00, 0x00, // vertresolution\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // frame_count\n 0x12,\n 0x64, 0x61, 0x69, 0x6C, // dailymotion/hls.js\n 0x79, 0x6D, 0x6F, 0x74,\n 0x69, 0x6F, 0x6E, 0x2F,\n 0x68, 0x6C, 0x73, 0x2E,\n 0x6A, 0x73, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, // compressorname\n 0x00, 0x18, // depth = 24\n 0x11, 0x11]), // pre_defined = -1\n avcc,\n MP4.box(MP4.types.btrt, new Uint8Array([\n 0x00, 0x1c, 0x9c, 0x80, // bufferSizeDB\n 0x00, 0x2d, 0xc6, 0xc0, // maxBitrate\n 0x00, 0x2d, 0xc6, 0xc0])), // avgBitrate\n MP4.box(MP4.types.pasp, new Uint8Array([\n (hSpacing >> 24), // hSpacing\n (hSpacing >> 16) & 0xFF,\n (hSpacing >> 8) & 0xFF,\n hSpacing & 0xFF,\n (vSpacing >> 24), // vSpacing\n (vSpacing >> 16) & 0xFF,\n (vSpacing >> 8) & 0xFF,\n vSpacing & 0xFF]))\n );\n }\n\n static esds (track) {\n let configlen = track.config.length;\n return new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n\n 0x03, // descriptor_type\n 0x17 + configlen, // length\n 0x00, 0x01, // es_id\n 0x00, // stream_priority\n\n 0x04, // descriptor_type\n 0x0f + configlen, // length\n 0x40, // codec : mpeg4_audio\n 0x15, // stream_type\n 0x00, 0x00, 0x00, // buffer_size\n 0x00, 0x00, 0x00, 0x00, // maxBitrate\n 0x00, 0x00, 0x00, 0x00, // avgBitrate\n\n 0x05 // descriptor_type\n ].concat([configlen]).concat(track.config).concat([0x06, 0x01, 0x02])); // GASpecificConfig)); // length + audio config descriptor\n }\n\n static mp4a (track) {\n let samplerate = track.samplerate;\n return MP4.box(MP4.types.mp4a, new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, track.channelCount, // channelcount\n 0x00, 0x10, // sampleSize:16bits\n 0x00, 0x00, 0x00, 0x00, // reserved2\n (samplerate >> 8) & 0xFF,\n samplerate & 0xff, //\n 0x00, 0x00]),\n MP4.box(MP4.types.esds, MP4.esds(track)));\n }\n\n static mp3 (track) {\n let samplerate = track.samplerate;\n return MP4.box(MP4.types['.mp3'], new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, track.channelCount, // channelcount\n 0x00, 0x10, // sampleSize:16bits\n 0x00, 0x00, 0x00, 0x00, // reserved2\n (samplerate >> 8) & 0xFF,\n samplerate & 0xff, //\n 0x00, 0x00]));\n }\n\n static stsd (track) {\n if (track.type === 'audio') {\n if (!track.isAAC && track.codec === 'mp3') {\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp3(track));\n }\n\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp4a(track));\n } else {\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.avc1(track));\n }\n }\n\n static tkhd (track) {\n let id = track.id,\n duration = track.duration * track.timescale,\n width = track.width,\n height = track.height,\n upperWordDuration = Math.floor(duration / (UINT32_MAX + 1)),\n lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n return MP4.box(MP4.types.tkhd, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x07, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (id >> 24) & 0xFF,\n (id >> 16) & 0xFF,\n (id >> 8) & 0xFF,\n id & 0xFF, // track_ID\n 0x00, 0x00, 0x00, 0x00, // reserved\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, // layer\n 0x00, 0x00, // alternate_group\n 0x00, 0x00, // non-audio track volume\n 0x00, 0x00, // reserved\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n (width >> 8) & 0xFF,\n width & 0xFF,\n 0x00, 0x00, // width\n (height >> 8) & 0xFF,\n height & 0xFF,\n 0x00, 0x00 // height\n ]));\n }\n\n static traf (track, baseMediaDecodeTime) {\n let sampleDependencyTable = MP4.sdtp(track),\n id = track.id,\n upperWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1)),\n lowerWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1));\n return MP4.box(MP4.types.traf,\n MP4.box(MP4.types.tfhd, new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n (id >> 24),\n (id >> 16) & 0XFF,\n (id >> 8) & 0XFF,\n (id & 0xFF) // track_ID\n ])),\n MP4.box(MP4.types.tfdt, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n (upperWordBaseMediaDecodeTime >> 24),\n (upperWordBaseMediaDecodeTime >> 16) & 0XFF,\n (upperWordBaseMediaDecodeTime >> 8) & 0XFF,\n (upperWordBaseMediaDecodeTime & 0xFF),\n (lowerWordBaseMediaDecodeTime >> 24),\n (lowerWordBaseMediaDecodeTime >> 16) & 0XFF,\n (lowerWordBaseMediaDecodeTime >> 8) & 0XFF,\n (lowerWordBaseMediaDecodeTime & 0xFF)\n ])),\n MP4.trun(track,\n sampleDependencyTable.length +\n 16 + // tfhd\n 20 + // tfdt\n 8 + // traf header\n 16 + // mfhd\n 8 + // moof header\n 8), // mdat header\n sampleDependencyTable);\n }\n\n /**\n * Generate a track box.\n * @param track {object} a track definition\n * @return {Uint8Array} the track box\n */\n static trak (track) {\n track.duration = track.duration || 0xffffffff;\n return MP4.box(MP4.types.trak, MP4.tkhd(track), MP4.mdia(track));\n }\n\n static trex (track) {\n let id = track.id;\n return MP4.box(MP4.types.trex, new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n (id >> 24),\n (id >> 16) & 0XFF,\n (id >> 8) & 0XFF,\n (id & 0xFF), // track_ID\n 0x00, 0x00, 0x00, 0x01, // default_sample_description_index\n 0x00, 0x00, 0x00, 0x00, // default_sample_duration\n 0x00, 0x00, 0x00, 0x00, // default_sample_size\n 0x00, 0x01, 0x00, 0x01 // default_sample_flags\n ]));\n }\n\n static trun (track, offset) {\n let samples = track.samples || [],\n len = samples.length,\n arraylen = 12 + (16 * len),\n array = new Uint8Array(arraylen),\n i, sample, duration, size, flags, cts;\n offset += 8 + arraylen;\n array.set([\n 0x00, // version 0\n 0x00, 0x0f, 0x01, // flags\n (len >>> 24) & 0xFF,\n (len >>> 16) & 0xFF,\n (len >>> 8) & 0xFF,\n len & 0xFF, // sample_count\n (offset >>> 24) & 0xFF,\n (offset >>> 16) & 0xFF,\n (offset >>> 8) & 0xFF,\n offset & 0xFF // data_offset\n ], 0);\n for (i = 0; i < len; i++) {\n sample = samples[i];\n duration = sample.duration;\n size = sample.size;\n flags = sample.flags;\n cts = sample.cts;\n array.set([\n (duration >>> 24) & 0xFF,\n (duration >>> 16) & 0xFF,\n (duration >>> 8) & 0xFF,\n duration & 0xFF, // sample_duration\n (size >>> 24) & 0xFF,\n (size >>> 16) & 0xFF,\n (size >>> 8) & 0xFF,\n size & 0xFF, // sample_size\n (flags.isLeading << 2) | flags.dependsOn,\n (flags.isDependedOn << 6) |\n (flags.hasRedundancy << 4) |\n (flags.paddingValue << 1) |\n flags.isNonSync,\n flags.degradPrio & 0xF0 << 8,\n flags.degradPrio & 0x0F, // sample_flags\n (cts >>> 24) & 0xFF,\n (cts >>> 16) & 0xFF,\n (cts >>> 8) & 0xFF,\n cts & 0xFF // sample_composition_time_offset\n ], 12 + 16 * i);\n }\n return MP4.box(MP4.types.trun, array);\n }\n\n static initSegment (tracks) {\n if (!MP4.types) {\n MP4.init();\n }\n\n let movie = MP4.moov(tracks), result;\n result = new Uint8Array(MP4.FTYP.byteLength + movie.byteLength);\n result.set(MP4.FTYP);\n result.set(movie, MP4.FTYP.byteLength);\n return result;\n }\n}\n\nexport default MP4;\n","const MPEG_TS_CLOCK_FREQ_HZ = 90000;\n\nexport function toTimescaleFromScale (value, destScale: number, srcScale: number = 1, round: boolean = false): number {\n return toTimescaleFromBase(value, destScale, 1 / srcScale);\n}\n\nexport function toTimescaleFromBase (value, destScale: number, srcBase: number = 1, round: boolean = false): number {\n const result = value * destScale * srcBase; // equivalent to `(value * scale) / (1 / base)`\n return round ? Math.round(result) : result;\n}\n\nexport function toMsFromMpegTsClock (value: number, round: boolean = false): number {\n return toTimescaleFromBase(value, 1000, 1 / MPEG_TS_CLOCK_FREQ_HZ, round);\n}\n\nexport function toMpegTsClockFromTimescale (value: number, srcScale: number = 1): number {\n return toTimescaleFromBase(value, MPEG_TS_CLOCK_FREQ_HZ, 1 / srcScale);\n}\n","/**\n * fMP4 remuxer\n*/\n\nimport AAC from './aac-helper';\nimport MP4 from './mp4-generator';\n\nimport Event from '../events';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\nimport { toMsFromMpegTsClock, toMpegTsClockFromTimescale, toTimescaleFromScale } from '../utils/timescale-conversion';\n\nimport { logger } from '../utils/logger';\n\nconst MAX_SILENT_FRAME_DURATION_90KHZ = toMpegTsClockFromTimescale(10);\nconst PTS_DTS_SHIFT_TOLERANCE_90KHZ = toMpegTsClockFromTimescale(0.2);\n\nclass MP4Remuxer {\n constructor (observer, config, typeSupported, vendor) {\n this.observer = observer;\n this.config = config;\n this.typeSupported = typeSupported;\n const userAgent = navigator.userAgent;\n this.isSafari = vendor && vendor.indexOf('Apple') > -1 && userAgent && !userAgent.match('CriOS');\n this.ISGenerated = false;\n }\n\n destroy () {\n }\n\n resetTimeStamp (defaultTimeStamp) {\n this._initPTS = this._initDTS = defaultTimeStamp;\n }\n\n resetInitSegment () {\n this.ISGenerated = false;\n }\n\n remux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n // generate Init Segment if needed\n if (!this.ISGenerated) {\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n\n if (this.ISGenerated) {\n const nbAudioSamples = audioTrack.samples.length;\n const nbVideoSamples = videoTrack.samples.length;\n let audioTimeOffset = timeOffset;\n let videoTimeOffset = timeOffset;\n if (nbAudioSamples && nbVideoSamples) {\n // timeOffset is expected to be the offset of the first timestamp of this fragment (first DTS)\n // if first audio DTS is not aligned with first video DTS then we need to take that into account\n // when providing timeOffset to remuxAudio / remuxVideo. if we don't do that, there might be a permanent / small\n // drift between audio and video streams\n let audiovideoDeltaDts = (audioTrack.samples[0].pts - videoTrack.samples[0].pts) / videoTrack.inputTimeScale;\n audioTimeOffset += Math.max(0, audiovideoDeltaDts);\n videoTimeOffset += Math.max(0, -audiovideoDeltaDts);\n }\n // Purposefully remuxing audio before video, so that remuxVideo can use nextAudioPts, which is\n // calculated in remuxAudio.\n // logger.log('nb AAC samples:' + audioTrack.samples.length);\n if (nbAudioSamples) {\n // if initSegment was generated without video samples, regenerate it again\n if (!audioTrack.timescale) {\n logger.warn('regenerate InitSegment as audio detected');\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n let audioData = this.remuxAudio(audioTrack, audioTimeOffset, contiguous, accurateTimeOffset);\n // logger.log('nb AVC samples:' + videoTrack.samples.length);\n if (nbVideoSamples) {\n let audioTrackLength;\n if (audioData) {\n audioTrackLength = audioData.endPTS - audioData.startPTS;\n }\n\n // if initSegment was generated without video samples, regenerate it again\n if (!videoTrack.timescale) {\n logger.warn('regenerate InitSegment as video detected');\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n this.remuxVideo(videoTrack, videoTimeOffset, contiguous, audioTrackLength, accurateTimeOffset);\n }\n } else {\n // logger.log('nb AVC samples:' + videoTrack.samples.length);\n if (nbVideoSamples) {\n let videoData = this.remuxVideo(videoTrack, videoTimeOffset, contiguous, 0, accurateTimeOffset);\n if (videoData && audioTrack.codec) {\n this.remuxEmptyAudio(audioTrack, audioTimeOffset, contiguous, videoData);\n }\n }\n }\n }\n // logger.log('nb ID3 samples:' + audioTrack.samples.length);\n if (id3Track.samples.length) {\n this.remuxID3(id3Track, timeOffset);\n }\n\n // logger.log('nb ID3 samples:' + audioTrack.samples.length);\n if (textTrack.samples.length) {\n this.remuxText(textTrack, timeOffset);\n }\n\n // notify end of parsing\n this.observer.trigger(Event.FRAG_PARSED);\n }\n\n generateIS (audioTrack, videoTrack, timeOffset) {\n let observer = this.observer,\n audioSamples = audioTrack.samples,\n videoSamples = videoTrack.samples,\n typeSupported = this.typeSupported,\n container = 'audio/mp4',\n tracks = {},\n data = { tracks: tracks },\n computePTSDTS = (this._initPTS === undefined),\n initPTS, initDTS, timescale;\n\n if (computePTSDTS) {\n initPTS = initDTS = Infinity;\n }\n\n if (audioTrack.config && audioSamples.length) {\n // let's use audio sampling rate as MP4 time scale.\n // rationale is that there is a integer nb of audio frames per audio sample (1024 for AAC)\n // using audio sampling rate here helps having an integer MP4 frame duration\n // this avoids potential rounding issue and AV sync issue\n audioTrack.timescale = audioTrack.samplerate;\n logger.log(`audio sampling rate : ${audioTrack.samplerate}`);\n if (!audioTrack.isAAC) {\n if (typeSupported.mpeg) { // Chrome and Safari\n container = 'audio/mpeg';\n audioTrack.codec = '';\n } else if (typeSupported.mp3) { // Firefox\n audioTrack.codec = 'mp3';\n }\n }\n tracks.audio = {\n container: container,\n codec: audioTrack.codec,\n initSegment: !audioTrack.isAAC && typeSupported.mpeg ? new Uint8Array() : MP4.initSegment([audioTrack]),\n metadata: {\n channelCount: audioTrack.channelCount\n }\n };\n if (computePTSDTS) {\n timescale = audioTrack.inputTimeScale;\n // remember first PTS of this demuxing context. for audio, PTS = DTS\n initPTS = initDTS = audioSamples[0].pts - Math.round(timescale * timeOffset);\n }\n }\n\n if (videoTrack.sps && videoTrack.pps && videoSamples.length) {\n // let's use input time scale as MP4 video timescale\n // we use input time scale straight away to avoid rounding issues on frame duration / cts computation\n const inputTimeScale = videoTrack.inputTimeScale;\n videoTrack.timescale = inputTimeScale;\n tracks.video = {\n container: 'video/mp4',\n codec: videoTrack.codec,\n initSegment: MP4.initSegment([videoTrack]),\n metadata: {\n width: videoTrack.width,\n height: videoTrack.height\n }\n };\n if (computePTSDTS) {\n timescale = videoTrack.inputTimeScale;\n initPTS = Math.min(initPTS, videoSamples[0].pts - inputTimeScale * timeOffset);\n initDTS = Math.min(initDTS, videoSamples[0].dts - inputTimeScale * timeOffset);\n this.observer.trigger(Event.INIT_PTS_FOUND, { initPTS: initPTS, timescale });\n }\n }\n\n if (Object.keys(tracks).length) {\n observer.trigger(Event.FRAG_PARSING_INIT_SEGMENT, data);\n this.ISGenerated = true;\n if (computePTSDTS) {\n this._initPTS = initPTS;\n this._initDTS = initDTS;\n }\n } else {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: false, reason: 'no audio/video samples found' });\n }\n }\n\n remuxVideo (track, timeOffset, contiguous, audioTrackLength, accurateTimeOffset) {\n let offset = 8;\n let mp4SampleDuration;\n let mdat;\n let moof;\n let firstPTS;\n let firstDTS;\n let lastPTS;\n let lastDTS;\n const timeScale = track.timescale;\n const inputSamples = track.samples;\n const outputSamples = [];\n const nbSamples = inputSamples.length;\n const ptsNormalize = this._PTSNormalize;\n const initPTS = this._initPTS;\n\n // if parsed fragment is contiguous with last one, let's use last DTS value as reference\n let nextAvcDts = this.nextAvcDts;\n\n const isSafari = this.isSafari;\n\n if (nbSamples === 0) {\n return;\n }\n\n // Safari does not like overlapping DTS on consecutive fragments. let's use nextAvcDts to overcome this if fragments are consecutive\n if (isSafari) {\n // also consider consecutive fragments as being contiguous (even if a level switch occurs),\n // for sake of clarity:\n // consecutive fragments are frags with\n // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR\n // - less than 200 ms PTS gaps (timeScale/5)\n contiguous |= (inputSamples.length && nextAvcDts &&\n ((accurateTimeOffset && Math.abs(timeOffset - nextAvcDts / timeScale) < 0.1) ||\n Math.abs((inputSamples[0].pts - nextAvcDts - initPTS)) < timeScale / 5)\n );\n }\n\n if (!contiguous) {\n // if not contiguous, let's use target timeOffset\n nextAvcDts = timeOffset * timeScale;\n }\n\n // PTS is coded on 33bits, and can loop from -2^32 to 2^32\n // ptsNormalize will make PTS/DTS value monotonic, we use last known DTS value as reference value\n inputSamples.forEach(function (sample) {\n sample.pts = ptsNormalize(sample.pts - initPTS, nextAvcDts);\n sample.dts = ptsNormalize(sample.dts - initPTS, nextAvcDts);\n });\n\n // sort video samples by DTS then PTS then demux id order\n inputSamples.sort(function (a, b) {\n const deltadts = a.dts - b.dts;\n const deltapts = a.pts - b.pts;\n return deltadts || (deltapts || (a.id - b.id));\n });\n\n // handle broken streams with PTS < DTS, tolerance up 0.2 seconds\n let PTSDTSshift = inputSamples.reduce((prev, curr) => Math.max(Math.min(prev, curr.pts - curr.dts), -1 * PTS_DTS_SHIFT_TOLERANCE_90KHZ), 0);\n if (PTSDTSshift < 0) {\n logger.warn(`PTS < DTS detected in video samples, shifting DTS by ${toMsFromMpegTsClock(PTSDTSshift, true)} ms to overcome this issue`);\n for (let i = 0; i < inputSamples.length; i++) {\n inputSamples[i].dts += PTSDTSshift;\n }\n }\n\n // compute first DTS and last DTS, normalize them against reference value\n let sample = inputSamples[0];\n firstDTS = Math.max(sample.dts, 0);\n firstPTS = Math.max(sample.pts, 0);\n\n // check timestamp continuity accross consecutive fragments (this is to remove inter-fragment gap/hole)\n let delta = firstDTS - nextAvcDts;\n // if fragment are contiguous, detect hole/overlapping between fragments\n if (contiguous) {\n if (delta) {\n if (delta > 1) {\n logger.log(`AVC: ${toMsFromMpegTsClock(delta, true)} ms hole between fragments detected,filling it`);\n } else if (delta < -1) {\n logger.log(`AVC: ${toMsFromMpegTsClock(-delta, true)} ms overlapping between fragments detected`);\n }\n\n // remove hole/gap : set DTS to next expected DTS\n firstDTS = nextAvcDts;\n inputSamples[0].dts = firstDTS;\n // offset PTS as well, ensure that PTS is smaller or equal than new DTS\n firstPTS = Math.max(firstPTS - delta, nextAvcDts);\n inputSamples[0].pts = firstPTS;\n logger.log(`Video: PTS/DTS adjusted: ${toMsFromMpegTsClock(firstPTS, true)}/${toMsFromMpegTsClock(firstDTS, true)}, delta: ${toMsFromMpegTsClock(delta, true)} ms`);\n }\n }\n\n // compute lastPTS/lastDTS\n sample = inputSamples[inputSamples.length - 1];\n lastDTS = Math.max(sample.dts, 0);\n lastPTS = Math.max(sample.pts, 0, lastDTS);\n\n // on Safari let's signal the same sample duration for all samples\n // sample duration (as expected by trun MP4 boxes), should be the delta between sample DTS\n // set this constant duration as being the avg delta between consecutive DTS.\n if (isSafari) {\n mp4SampleDuration = Math.round((lastDTS - firstDTS) / (inputSamples.length - 1));\n }\n\n let nbNalu = 0, naluLen = 0;\n for (let i = 0; i < nbSamples; i++) {\n // compute total/avc sample length and nb of NAL units\n let sample = inputSamples[i], units = sample.units, nbUnits = units.length, sampleLen = 0;\n for (let j = 0; j < nbUnits; j++) {\n sampleLen += units[j].data.length;\n }\n\n naluLen += sampleLen;\n nbNalu += nbUnits;\n sample.length = sampleLen;\n\n // normalize PTS/DTS\n if (isSafari) {\n // sample DTS is computed using a constant decoding offset (mp4SampleDuration) between samples\n sample.dts = firstDTS + i * mp4SampleDuration;\n } else {\n // ensure sample monotonic DTS\n sample.dts = Math.max(sample.dts, firstDTS);\n }\n // ensure that computed value is greater or equal than sample DTS\n sample.pts = Math.max(sample.pts, sample.dts);\n }\n\n /* concatenate the video data and construct the mdat in place\n (need 8 more bytes to fill length and mpdat type) */\n let mdatSize = naluLen + (4 * nbNalu) + 8;\n try {\n mdat = new Uint8Array(mdatSize);\n } catch (err) {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MUX_ERROR, details: ErrorDetails.REMUX_ALLOC_ERROR, fatal: false, bytes: mdatSize, reason: `fail allocating video mdat ${mdatSize}` });\n return;\n }\n let view = new DataView(mdat.buffer);\n view.setUint32(0, mdatSize);\n mdat.set(MP4.types.mdat, 4);\n\n for (let i = 0; i < nbSamples; i++) {\n let avcSample = inputSamples[i],\n avcSampleUnits = avcSample.units,\n mp4SampleLength = 0,\n compositionTimeOffset;\n // convert NALU bitstream to MP4 format (prepend NALU with size field)\n for (let j = 0, nbUnits = avcSampleUnits.length; j < nbUnits; j++) {\n let unit = avcSampleUnits[j],\n unitData = unit.data,\n unitDataLen = unit.data.byteLength;\n view.setUint32(offset, unitDataLen);\n offset += 4;\n mdat.set(unitData, offset);\n offset += unitDataLen;\n mp4SampleLength += 4 + unitDataLen;\n }\n\n if (!isSafari) {\n // expected sample duration is the Decoding Timestamp diff of consecutive samples\n if (i < nbSamples - 1) {\n mp4SampleDuration = inputSamples[i + 1].dts - avcSample.dts;\n } else {\n let config = this.config,\n lastFrameDuration = avcSample.dts - inputSamples[i > 0 ? i - 1 : i].dts;\n if (config.stretchShortVideoTrack) {\n // In some cases, a segment's audio track duration may exceed the video track duration.\n // Since we've already remuxed audio, and we know how long the audio track is, we look to\n // see if the delta to the next segment is longer than maxBufferHole.\n // If so, playback would potentially get stuck, so we artificially inflate\n // the duration of the last frame to minimize any potential gap between segments.\n let maxBufferHole = config.maxBufferHole,\n gapTolerance = Math.floor(maxBufferHole * timeScale),\n deltaToFrameEnd = (audioTrackLength ? firstPTS + audioTrackLength * timeScale : this.nextAudioPts) - avcSample.pts;\n if (deltaToFrameEnd > gapTolerance) {\n // We subtract lastFrameDuration from deltaToFrameEnd to try to prevent any video\n // frame overlap. maxBufferHole should be >> lastFrameDuration anyway.\n mp4SampleDuration = deltaToFrameEnd - lastFrameDuration;\n if (mp4SampleDuration < 0) {\n mp4SampleDuration = lastFrameDuration;\n }\n\n logger.log(`It is approximately ${toMsFromMpegTsClock(deltaToFrameEnd, false)} ms to the next segment; using duration ${toMsFromMpegTsClock(mp4SampleDuration, false)} ms for the last video frame.`);\n } else {\n mp4SampleDuration = lastFrameDuration;\n }\n } else {\n mp4SampleDuration = lastFrameDuration;\n }\n }\n compositionTimeOffset = Math.round(avcSample.pts - avcSample.dts);\n } else {\n compositionTimeOffset = Math.max(0, mp4SampleDuration * Math.round((avcSample.pts - avcSample.dts) / mp4SampleDuration));\n }\n\n // console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${avcSample.pts}/${avcSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(avcSample.pts/4294967296).toFixed(3)}');\n outputSamples.push({\n size: mp4SampleLength,\n // constant duration\n duration: mp4SampleDuration,\n cts: compositionTimeOffset,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: avcSample.key ? 2 : 1,\n isNonSync: avcSample.key ? 0 : 1\n }\n });\n }\n // next AVC sample DTS should be equal to last sample DTS + last sample duration (in PES timescale)\n this.nextAvcDts = lastDTS + mp4SampleDuration;\n let dropped = track.dropped;\n track.nbNalu = 0;\n track.dropped = 0;\n if (outputSamples.length && navigator.userAgent.toLowerCase().indexOf('chrome') > -1) {\n let flags = outputSamples[0].flags;\n // chrome workaround, mark first sample as being a Random Access Point to avoid sourcebuffer append issue\n // https://code.google.com/p/chromium/issues/detail?id=229412\n flags.dependsOn = 2;\n flags.isNonSync = 0;\n }\n track.samples = outputSamples;\n moof = MP4.moof(track.sequenceNumber++, firstDTS, track);\n track.samples = [];\n\n let data = {\n data1: moof,\n data2: mdat,\n startPTS: firstPTS / timeScale,\n endPTS: (lastPTS + mp4SampleDuration) / timeScale,\n startDTS: firstDTS / timeScale,\n endDTS: this.nextAvcDts / timeScale,\n type: 'video',\n hasAudio: false,\n hasVideo: true,\n nb: outputSamples.length,\n dropped: dropped\n };\n this.observer.trigger(Event.FRAG_PARSING_DATA, data);\n return data;\n }\n\n remuxAudio (track, timeOffset, contiguous, accurateTimeOffset) {\n const inputTimeScale = track.inputTimeScale;\n const mp4timeScale = track.timescale;\n const scaleFactor = inputTimeScale / mp4timeScale;\n const mp4SampleDuration = track.isAAC ? 1024 : 1152;\n const inputSampleDuration = mp4SampleDuration * scaleFactor;\n const ptsNormalize = this._PTSNormalize;\n const initPTS = this._initPTS;\n const rawMPEG = !track.isAAC && this.typeSupported.mpeg;\n\n let mp4Sample;\n let fillFrame;\n let mdat;\n let moof;\n let firstPTS;\n let lastPTS;\n let offset = (rawMPEG ? 0 : 8);\n let inputSamples = track.samples;\n let outputSamples = [];\n let nextAudioPts = this.nextAudioPts;\n\n // for audio samples, also consider consecutive fragments as being contiguous (even if a level switch occurs),\n // for sake of clarity:\n // consecutive fragments are frags with\n // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR\n // - less than 20 audio frames distance\n // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1)\n // this helps ensuring audio continuity\n // and this also avoids audio glitches/cut when switching quality, or reporting wrong duration on first audio frame\n contiguous |= (inputSamples.length && nextAudioPts &&\n ((accurateTimeOffset && Math.abs(timeOffset - nextAudioPts / inputTimeScale) < 0.1) ||\n Math.abs((inputSamples[0].pts - nextAudioPts - initPTS)) < 20 * inputSampleDuration)\n );\n\n // compute normalized PTS\n inputSamples.forEach(function (sample) {\n sample.pts = sample.dts = ptsNormalize(sample.pts - initPTS, timeOffset * inputTimeScale);\n });\n\n // filter out sample with negative PTS that are not playable anyway\n // if we don't remove these negative samples, they will shift all audio samples forward.\n // leading to audio overlap between current / next fragment\n inputSamples = inputSamples.filter(function (sample) {\n return sample.pts >= 0;\n });\n\n // in case all samples have negative PTS, and have been filtered out, return now\n if (inputSamples.length === 0) {\n return;\n }\n\n if (!contiguous) {\n if (!accurateTimeOffset) {\n // if frag are mot contiguous and if we cant trust time offset, let's use first sample PTS as next audio PTS\n nextAudioPts = inputSamples[0].pts;\n } else {\n // if timeOffset is accurate, let's use it as predicted next audio PTS\n nextAudioPts = timeOffset * inputTimeScale;\n }\n }\n\n // If the audio track is missing samples, the frames seem to get \"left-shifted\" within the\n // resulting mp4 segment, causing sync issues and leaving gaps at the end of the audio segment.\n // In an effort to prevent this from happening, we inject frames here where there are gaps.\n // When possible, we inject a silent frame; when that's not possible, we duplicate the last\n // frame.\n\n if (track.isAAC) {\n const maxAudioFramesDrift = this.config.maxAudioFramesDrift;\n for (let i = 0, nextPts = nextAudioPts; i < inputSamples.length;) {\n // First, let's see how far off this frame is from where we expect it to be\n var sample = inputSamples[i], delta;\n let pts = sample.pts;\n delta = pts - nextPts;\n\n // If we're overlapping by more than a duration, drop this sample\n if (delta <= -maxAudioFramesDrift * inputSampleDuration) {\n logger.warn(`Dropping 1 audio frame @ ${toMsFromMpegTsClock(nextPts, true)} ms due to ${toMsFromMpegTsClock(delta, true)} ms overlap.`);\n inputSamples.splice(i, 1);\n // Don't touch nextPtsNorm or i\n } // eslint-disable-line brace-style\n\n // Insert missing frames if:\n // 1: We're more than maxAudioFramesDrift frame away\n // 2: Not more than MAX_SILENT_FRAME_DURATION away\n // 3: currentTime (aka nextPtsNorm) is not 0\n else if (delta >= maxAudioFramesDrift * inputSampleDuration && delta < MAX_SILENT_FRAME_DURATION_90KHZ && nextPts) {\n let missing = Math.round(delta / inputSampleDuration);\n logger.warn(`Injecting ${missing} audio frames @ ${toMsFromMpegTsClock(nextPts, true)} ms due to ${toMsFromMpegTsClock(nextPts, true)} ms gap.`);\n for (let j = 0; j < missing; j++) {\n let newStamp = Math.max(nextPts, 0);\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n logger.log('Unable to get silent frame for given audio codec; duplicating last frame instead.');\n fillFrame = sample.unit.subarray();\n }\n inputSamples.splice(i, 0, { unit: fillFrame, pts: newStamp, dts: newStamp });\n nextPts += inputSampleDuration;\n i++;\n }\n\n // Adjust sample to next expected pts\n sample.pts = sample.dts = nextPts;\n nextPts += inputSampleDuration;\n i++;\n } else {\n // Otherwise, just adjust pts\n if (Math.abs(delta) > (0.1 * inputSampleDuration)) {\n // logger.log(`Invalid frame delta ${Math.round(delta + inputSampleDuration)} at PTS ${Math.round(pts / 90)} (should be ${Math.round(inputSampleDuration)}).`);\n }\n sample.pts = sample.dts = nextPts;\n nextPts += inputSampleDuration;\n i++;\n }\n }\n }\n\n // compute mdat size, as we eventually filtered/added some samples\n let nbSamples = inputSamples.length;\n let mdatSize = 0;\n while (nbSamples--) {\n mdatSize += inputSamples[nbSamples].unit.byteLength;\n }\n\n for (let j = 0, nbSamples = inputSamples.length; j < nbSamples; j++) {\n let audioSample = inputSamples[j];\n let unit = audioSample.unit;\n let pts = audioSample.pts;\n\n // logger.log(`Audio/PTS:${toMsFromMpegTsClock(pts, true)}`);\n // if not first sample\n\n if (lastPTS !== undefined) {\n mp4Sample.duration = Math.round((pts - lastPTS) / scaleFactor);\n } else {\n let delta = pts - nextAudioPts;\n let numMissingFrames = 0;\n\n // if fragment are contiguous, detect hole/overlapping between fragments\n // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1)\n if (contiguous && track.isAAC) {\n // log delta\n if (delta) {\n if (delta > 0 && delta < MAX_SILENT_FRAME_DURATION_90KHZ) {\n // Q: why do we have to round here, shouldn't this always result in an integer if timestamps are correct,\n // and if not, shouldn't we actually Math.ceil() instead?\n numMissingFrames = Math.round((pts - nextAudioPts) / inputSampleDuration);\n\n logger.log(`${toMsFromMpegTsClock(delta, true)} ms hole between AAC samples detected,filling it`);\n if (numMissingFrames > 0) {\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n fillFrame = unit.subarray();\n }\n\n mdatSize += numMissingFrames * fillFrame.length;\n }\n // if we have frame overlap, overlapping for more than half a frame duraion\n } else if (delta < -12) {\n // drop overlapping audio frames... browser will deal with it\n logger.log(`drop overlapping AAC sample, expected/parsed/delta: ${toMsFromMpegTsClock(nextAudioPts, true)} ms / ${toMsFromMpegTsClock(pts, true)} ms / ${toMsFromMpegTsClock(-delta, true)} ms`);\n mdatSize -= unit.byteLength;\n continue;\n }\n // set PTS/DTS to expected PTS/DTS\n pts = nextAudioPts;\n }\n }\n // remember first PTS of our audioSamples\n firstPTS = pts;\n if (mdatSize > 0) {\n mdatSize += offset;\n try {\n mdat = new Uint8Array(mdatSize);\n } catch (err) {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MUX_ERROR, details: ErrorDetails.REMUX_ALLOC_ERROR, fatal: false, bytes: mdatSize, reason: `fail allocating audio mdat ${mdatSize}` });\n return;\n }\n if (!rawMPEG) {\n const view = new DataView(mdat.buffer);\n view.setUint32(0, mdatSize);\n mdat.set(MP4.types.mdat, 4);\n }\n } else {\n // no audio samples\n return;\n }\n for (let i = 0; i < numMissingFrames; i++) {\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n logger.log('Unable to get silent frame for given audio codec; duplicating this frame instead.');\n fillFrame = unit.subarray();\n }\n mdat.set(fillFrame, offset);\n offset += fillFrame.byteLength;\n mp4Sample = {\n size: fillFrame.byteLength,\n cts: 0,\n duration: 1024,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: 1\n }\n };\n outputSamples.push(mp4Sample);\n }\n }\n mdat.set(unit, offset);\n let unitLen = unit.byteLength;\n offset += unitLen;\n // console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${audioSample.pts}/${audioSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(audioSample.pts/4294967296).toFixed(3)}');\n mp4Sample = {\n size: unitLen,\n cts: 0,\n duration: 0,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: 1\n }\n };\n outputSamples.push(mp4Sample);\n lastPTS = pts;\n }\n let lastSampleDuration = 0;\n nbSamples = outputSamples.length;\n // set last sample duration as being identical to previous sample\n if (nbSamples >= 2) {\n lastSampleDuration = outputSamples[nbSamples - 2].duration;\n mp4Sample.duration = lastSampleDuration;\n }\n if (nbSamples) {\n // next audio sample PTS should be equal to last sample PTS + duration\n this.nextAudioPts = nextAudioPts = lastPTS + scaleFactor * lastSampleDuration;\n // logger.log('Audio/PTS/PTSend:' + audioSample.pts.toFixed(0) + '/' + this.nextAacDts.toFixed(0));\n track.samples = outputSamples;\n if (rawMPEG) {\n moof = new Uint8Array();\n } else {\n moof = MP4.moof(track.sequenceNumber++, firstPTS / scaleFactor, track);\n }\n\n track.samples = [];\n const start = firstPTS / inputTimeScale;\n const end = nextAudioPts / inputTimeScale;\n const audioData = {\n data1: moof,\n data2: mdat,\n startPTS: start,\n endPTS: end,\n startDTS: start,\n endDTS: end,\n type: 'audio',\n hasAudio: true,\n hasVideo: false,\n nb: nbSamples\n };\n this.observer.trigger(Event.FRAG_PARSING_DATA, audioData);\n return audioData;\n }\n return null;\n }\n\n remuxEmptyAudio (track, timeOffset, contiguous, videoData) {\n let inputTimeScale = track.inputTimeScale;\n let mp4timeScale = track.samplerate ? track.samplerate : inputTimeScale;\n let scaleFactor = inputTimeScale / mp4timeScale;\n let nextAudioPts = this.nextAudioPts;\n\n // sync with video's timestamp\n let startDTS = (nextAudioPts !== undefined ? nextAudioPts : videoData.startDTS * inputTimeScale) + this._initDTS;\n let endDTS = videoData.endDTS * inputTimeScale + this._initDTS;\n // one sample's duration value\n let sampleDuration = 1024;\n let frameDuration = scaleFactor * sampleDuration;\n\n // samples count of this segment's duration\n let nbSamples = Math.ceil((endDTS - startDTS) / frameDuration);\n\n // silent frame\n let silentFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n\n logger.warn('remux empty Audio');\n // Can't remux if we can't generate a silent frame...\n if (!silentFrame) {\n logger.trace('Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!');\n return;\n }\n\n let samples = [];\n for (let i = 0; i < nbSamples; i++) {\n let stamp = startDTS + i * frameDuration;\n samples.push({ unit: silentFrame, pts: stamp, dts: stamp });\n }\n track.samples = samples;\n\n this.remuxAudio(track, timeOffset, contiguous);\n }\n\n remuxID3 (track) {\n let length = track.samples.length, sample;\n const inputTimeScale = track.inputTimeScale;\n const initPTS = this._initPTS;\n const initDTS = this._initDTS;\n // consume samples\n if (length) {\n for (let index = 0; index < length; index++) {\n sample = track.samples[index];\n // setting id3 pts, dts to relative time\n // using this._initPTS and this._initDTS to calculate relative time\n sample.pts = ((sample.pts - initPTS) / inputTimeScale);\n sample.dts = ((sample.dts - initDTS) / inputTimeScale);\n }\n this.observer.trigger(Event.FRAG_PARSING_METADATA, {\n samples: track.samples\n });\n }\n\n track.samples = [];\n }\n\n remuxText (track) {\n track.samples.sort(function (a, b) {\n return (a.pts - b.pts);\n });\n\n let length = track.samples.length, sample;\n const inputTimeScale = track.inputTimeScale;\n const initPTS = this._initPTS;\n // consume samples\n if (length) {\n for (let index = 0; index < length; index++) {\n sample = track.samples[index];\n // setting text pts, dts to relative time\n // using this._initPTS and this._initDTS to calculate relative time\n sample.pts = ((sample.pts - initPTS) / inputTimeScale);\n }\n this.observer.trigger(Event.FRAG_PARSING_USERDATA, {\n samples: track.samples\n });\n }\n\n track.samples = [];\n }\n\n _PTSNormalize (value, reference) {\n let offset;\n if (reference === undefined) {\n return value;\n }\n\n if (reference < value) {\n // - 2^33\n offset = -8589934592;\n } else {\n // + 2^33\n offset = 8589934592;\n }\n /* PTS is 33bit (from 0 to 2^33 -1)\n if diff between value and reference is bigger than half of the amplitude (2^32) then it means that\n PTS looping occured. fill the gap */\n while (Math.abs(value - reference) > 4294967296) {\n value += offset;\n }\n\n return value;\n }\n}\n\nexport function normalizePts (value, reference) {\n let offset;\n if (reference === null) {\n return value;\n }\n\n if (reference < value) {\n // - 2^33\n offset = -8589934592;\n } else {\n // + 2^33\n offset = 8589934592;\n }\n /* PTS is 33bit (from 0 to 2^33 -1)\n if diff between value and reference is bigger than half of the amplitude (2^32) then it means that\n PTS looping occured. fill the gap */\n while (Math.abs(value - reference) > 4294967296) {\n value += offset;\n }\n\n return value;\n}\n\nexport default MP4Remuxer;\n","/**\n * passthrough remuxer\n*/\nimport Event from '../events';\n\nclass PassThroughRemuxer {\n constructor (observer) {\n this.observer = observer;\n }\n\n destroy () {\n }\n\n resetTimeStamp () {\n }\n\n resetInitSegment () {\n }\n\n remux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset, rawData) {\n let observer = this.observer;\n let streamType = '';\n if (audioTrack) {\n streamType += 'audio';\n }\n\n if (videoTrack) {\n streamType += 'video';\n }\n\n observer.trigger(Event.FRAG_PARSING_DATA, {\n data1: rawData,\n startPTS: timeOffset,\n startDTS: timeOffset,\n type: streamType,\n hasAudio: !!audioTrack,\n hasVideo: !!videoTrack,\n nb: 1,\n dropped: 0\n });\n // notify end of parsing\n observer.trigger(Event.FRAG_PARSED);\n }\n}\n\nexport default PassThroughRemuxer;\n","/**\n *\n * inline demuxer: probe fragments and instantiate\n * appropriate demuxer depending on content type (TSDemuxer, AACDemuxer, ...)\n *\n */\n\nimport Event from '../events';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport Decrypter from '../crypt/decrypter';\nimport AACDemuxer from '../demux/aacdemuxer';\nimport MP4Demuxer from '../demux/mp4demuxer';\nimport TSDemuxer from '../demux/tsdemuxer';\nimport MP3Demuxer from '../demux/mp3demuxer';\nimport MP4Remuxer from '../remux/mp4-remuxer';\nimport PassThroughRemuxer from '../remux/passthrough-remuxer';\n\nimport { getSelfScope } from '../utils/get-self-scope';\nimport { logger } from '../utils/logger';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n\nlet now;\n// performance.now() not available on WebWorker, at least on Safari Desktop\ntry {\n now = global.performance.now.bind(global.performance);\n} catch (err) {\n logger.debug('Unable to use Performance API on this environment');\n now = global.Date.now;\n}\n\nclass DemuxerInline {\n constructor (observer, typeSupported, config, vendor) {\n this.observer = observer;\n this.typeSupported = typeSupported;\n this.config = config;\n this.vendor = vendor;\n }\n\n destroy () {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.destroy();\n }\n }\n\n push (data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) {\n if ((data.byteLength > 0) && (decryptdata != null) && (decryptdata.key != null) && (decryptdata.method === 'AES-128')) {\n let decrypter = this.decrypter;\n if (decrypter == null) {\n decrypter = this.decrypter = new Decrypter(this.observer, this.config);\n }\n\n const startTime = now();\n decrypter.decrypt(data, decryptdata.key.buffer, decryptdata.iv.buffer, (decryptedData) => {\n const endTime = now();\n this.observer.trigger(Event.FRAG_DECRYPTED, { stats: { tstart: startTime, tdecrypt: endTime } });\n this.pushDecrypted(new Uint8Array(decryptedData), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n });\n } else {\n this.pushDecrypted(new Uint8Array(data), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n }\n }\n\n pushDecrypted (data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) {\n let demuxer = this.demuxer;\n if (!demuxer ||\n // in case of continuity change, or track switch\n // we might switch from content type (AAC container to TS container, or TS to fmp4 for example)\n // so let's check that current demuxer is still valid\n ((discontinuity || trackSwitch) && !this.probe(data))) {\n const observer = this.observer;\n const typeSupported = this.typeSupported;\n const config = this.config;\n // probing order is TS/MP4/AAC/MP3\n const muxConfig = [\n { demux: TSDemuxer, remux: MP4Remuxer },\n { demux: MP4Demuxer, remux: PassThroughRemuxer },\n { demux: AACDemuxer, remux: MP4Remuxer },\n { demux: MP3Demuxer, remux: MP4Remuxer }\n ];\n\n // probe for content type\n for (let i = 0, len = muxConfig.length; i < len; i++) {\n const mux = muxConfig[i];\n const probe = mux.demux.probe;\n if (probe(data)) {\n const remuxer = this.remuxer = new mux.remux(observer, config, typeSupported, this.vendor);\n demuxer = new mux.demux(observer, remuxer, config, typeSupported);\n this.probe = probe;\n break;\n }\n }\n if (!demuxer) {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: true, reason: 'no demux matching with content found' });\n return;\n }\n this.demuxer = demuxer;\n }\n const remuxer = this.remuxer;\n\n if (discontinuity || trackSwitch) {\n demuxer.resetInitSegment(initSegment, audioCodec, videoCodec, duration);\n remuxer.resetInitSegment();\n }\n if (discontinuity) {\n demuxer.resetTimeStamp(defaultInitPTS);\n remuxer.resetTimeStamp(defaultInitPTS);\n }\n if (typeof demuxer.setDecryptData === 'function') {\n demuxer.setDecryptData(decryptdata);\n }\n\n demuxer.append(data, timeOffset, contiguous, accurateTimeOffset);\n }\n}\n\nexport default DemuxerInline;\n","/* demuxer web worker.\n * - listen to worker message, and trigger DemuxerInline upon reception of Fragments.\n * - provides MP4 Boxes back to main thread using [transferable objects](https://developers.google.com/web/updates/2011/12/Transferable-Objects-Lightning-Fast) in order to minimize message passing overhead.\n */\n\nimport DemuxerInline from '../demux/demuxer-inline';\nimport Event from '../events';\nimport { enableLogs } from '../utils/logger';\n\nimport { EventEmitter } from 'eventemitter3';\n\nlet DemuxerWorker = function (self) {\n // observer setup\n let observer = new EventEmitter();\n observer.trigger = function trigger (event, ...data) {\n observer.emit(event, event, ...data);\n };\n\n observer.off = function off (event, ...data) {\n observer.removeListener(event, ...data);\n };\n\n let forwardMessage = function (ev, data) {\n self.postMessage({ event: ev, data: data });\n };\n\n self.addEventListener('message', function (ev) {\n let data = ev.data;\n // console.log('demuxer cmd:' + data.cmd);\n switch (data.cmd) {\n case 'init':\n const config = JSON.parse(data.config);\n self.demuxer = new DemuxerInline(observer, data.typeSupported, config, data.vendor);\n\n enableLogs(config.debug);\n\n // signal end of worker init\n forwardMessage('init', null);\n break;\n case 'demux':\n self.demuxer.push(data.data, data.decryptdata, data.initSegment, data.audioCodec, data.videoCodec, data.timeOffset, data.discontinuity, data.trackSwitch, data.contiguous, data.duration, data.accurateTimeOffset, data.defaultInitPTS);\n break;\n default:\n break;\n }\n });\n\n // forward events to main thread\n observer.on(Event.FRAG_DECRYPTED, forwardMessage);\n observer.on(Event.FRAG_PARSING_INIT_SEGMENT, forwardMessage);\n observer.on(Event.FRAG_PARSED, forwardMessage);\n observer.on(Event.ERROR, forwardMessage);\n observer.on(Event.FRAG_PARSING_METADATA, forwardMessage);\n observer.on(Event.FRAG_PARSING_USERDATA, forwardMessage);\n observer.on(Event.INIT_PTS_FOUND, forwardMessage);\n\n // special case for FRAG_PARSING_DATA: pass data1/data2 as transferable object (no copy)\n observer.on(Event.FRAG_PARSING_DATA, function (ev, data) {\n let transferable = [];\n let message = { event: ev, data: data };\n if (data.data1) {\n message.data1 = data.data1.buffer;\n transferable.push(data.data1.buffer);\n delete data.data1;\n }\n if (data.data2) {\n message.data2 = data.data2.buffer;\n transferable.push(data.data2.buffer);\n delete data.data2;\n }\n self.postMessage(message, transferable);\n });\n};\n\nexport default DemuxerWorker;\n","import { getSelfScope } from '../utils/get-self-scope';\n\n/**\n * ID3 parser\n */\nclass ID3 {\n /**\n * Returns true if an ID3 header can be found at offset in data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {boolean} - True if an ID3 header is found\n */\n static isHeader (data, offset) {\n /*\n * http://id3.org/id3v2.3.0\n * [0] = 'I'\n * [1] = 'D'\n * [2] = '3'\n * [3,4] = {Version}\n * [5] = {Flags}\n * [6-9] = {ID3 Size}\n *\n * An ID3v2 tag can be detected with the following pattern:\n * $49 44 33 yy yy xx zz zz zz zz\n * Where yy is less than $FF, xx is the 'flags' byte and zz is less than $80\n */\n if (offset + 10 <= data.length) {\n // look for 'ID3' identifier\n if (data[offset] === 0x49 && data[offset + 1] === 0x44 && data[offset + 2] === 0x33) {\n // check version is within range\n if (data[offset + 3] < 0xFF && data[offset + 4] < 0xFF) {\n // check size is within range\n if (data[offset + 6] < 0x80 && data[offset + 7] < 0x80 && data[offset + 8] < 0x80 && data[offset + 9] < 0x80) {\n return true;\n }\n }\n }\n }\n\n return false;\n }\n\n /**\n * Returns true if an ID3 footer can be found at offset in data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {boolean} - True if an ID3 footer is found\n */\n static isFooter (data, offset) {\n /*\n * The footer is a copy of the header, but with a different identifier\n */\n if (offset + 10 <= data.length) {\n // look for '3DI' identifier\n if (data[offset] === 0x33 && data[offset + 1] === 0x44 && data[offset + 2] === 0x49) {\n // check version is within range\n if (data[offset + 3] < 0xFF && data[offset + 4] < 0xFF) {\n // check size is within range\n if (data[offset + 6] < 0x80 && data[offset + 7] < 0x80 && data[offset + 8] < 0x80 && data[offset + 9] < 0x80) {\n return true;\n }\n }\n }\n }\n\n return false;\n }\n\n /**\n * Returns any adjacent ID3 tags found in data starting at offset, as one block of data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {Uint8Array} - The block of data containing any ID3 tags found\n */\n static getID3Data (data, offset) {\n const front = offset;\n let length = 0;\n\n while (ID3.isHeader(data, offset)) {\n // ID3 header is 10 bytes\n length += 10;\n\n const size = ID3._readSize(data, offset + 6);\n length += size;\n\n if (ID3.isFooter(data, offset + 10)) {\n // ID3 footer is 10 bytes\n length += 10;\n }\n\n offset += length;\n }\n\n if (length > 0) {\n return data.subarray(front, front + length);\n }\n\n return undefined;\n }\n\n static _readSize (data, offset) {\n let size = 0;\n size = ((data[offset] & 0x7f) << 21);\n size |= ((data[offset + 1] & 0x7f) << 14);\n size |= ((data[offset + 2] & 0x7f) << 7);\n size |= (data[offset + 3] & 0x7f);\n return size;\n }\n\n /**\n * Searches for the Elementary Stream timestamp found in the ID3 data chunk\n * @param {Uint8Array} data - Block of data containing one or more ID3 tags\n * @return {number} - The timestamp\n */\n static getTimeStamp (data) {\n const frames = ID3.getID3Frames(data);\n for (let i = 0; i < frames.length; i++) {\n const frame = frames[i];\n if (ID3.isTimeStampFrame(frame)) {\n return ID3._readTimeStamp(frame);\n }\n }\n\n return undefined;\n }\n\n /**\n * Returns true if the ID3 frame is an Elementary Stream timestamp frame\n * @param {ID3 frame} frame\n */\n static isTimeStampFrame (frame) {\n return (frame && frame.key === 'PRIV' && frame.info === 'com.apple.streaming.transportStreamTimestamp');\n }\n\n static _getFrameData (data) {\n /*\n Frame ID $xx xx xx xx (four characters)\n Size $xx xx xx xx\n Flags $xx xx\n */\n const type = String.fromCharCode(data[0], data[1], data[2], data[3]);\n const size = ID3._readSize(data, 4);\n\n // skip frame id, size, and flags\n let offset = 10;\n\n return { type, size, data: data.subarray(offset, offset + size) };\n }\n\n /**\n * Returns an array of ID3 frames found in all the ID3 tags in the id3Data\n * @param {Uint8Array} id3Data - The ID3 data containing one or more ID3 tags\n * @return {ID3 frame[]} - Array of ID3 frame objects\n */\n static getID3Frames (id3Data) {\n let offset = 0;\n const frames = [];\n\n while (ID3.isHeader(id3Data, offset)) {\n const size = ID3._readSize(id3Data, offset + 6);\n // skip past ID3 header\n offset += 10;\n const end = offset + size;\n // loop through frames in the ID3 tag\n while (offset + 8 < end) {\n const frameData = ID3._getFrameData(id3Data.subarray(offset));\n const frame = ID3._decodeFrame(frameData);\n if (frame) {\n frames.push(frame);\n }\n\n // skip frame header and frame data\n offset += frameData.size + 10;\n }\n\n if (ID3.isFooter(id3Data, offset)) {\n offset += 10;\n }\n }\n\n return frames;\n }\n\n static _decodeFrame (frame) {\n if (frame.type === 'PRIV') {\n return ID3._decodePrivFrame(frame);\n } else if (frame.type[0] === 'T') {\n return ID3._decodeTextFrame(frame);\n } else if (frame.type[0] === 'W') {\n return ID3._decodeURLFrame(frame);\n }\n\n return undefined;\n }\n\n static _readTimeStamp (timeStampFrame) {\n if (timeStampFrame.data.byteLength === 8) {\n const data = new Uint8Array(timeStampFrame.data);\n // timestamp is 33 bit expressed as a big-endian eight-octet number,\n // with the upper 31 bits set to zero.\n const pts33Bit = data[3] & 0x1;\n let timestamp = (data[4] << 23) +\n (data[5] << 15) +\n (data[6] << 7) +\n data[7];\n timestamp /= 45;\n\n if (pts33Bit) {\n timestamp += 47721858.84;\n } // 2^32 / 90\n\n return Math.round(timestamp);\n }\n\n return undefined;\n }\n\n static _decodePrivFrame (frame) {\n /*\n Format: <text string>\\0<binary data>\n */\n if (frame.size < 2) {\n return undefined;\n }\n\n const owner = ID3._utf8ArrayToStr(frame.data, true);\n const privateData = new Uint8Array(frame.data.subarray(owner.length + 1));\n\n return { key: frame.type, info: owner, data: privateData.buffer };\n }\n\n static _decodeTextFrame (frame) {\n if (frame.size < 2) {\n return undefined;\n }\n\n if (frame.type === 'TXXX') {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Description}\\0{Value}\n */\n let index = 1;\n const description = ID3._utf8ArrayToStr(frame.data.subarray(index), true);\n\n index += description.length + 1;\n const value = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n return { key: frame.type, info: description, data: value };\n } else {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Value}\n */\n const text = ID3._utf8ArrayToStr(frame.data.subarray(1));\n return { key: frame.type, data: text };\n }\n }\n\n static _decodeURLFrame (frame) {\n if (frame.type === 'WXXX') {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Description}\\0{URL}\n */\n if (frame.size < 2) {\n return undefined;\n }\n\n let index = 1;\n const description = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n index += description.length + 1;\n const value = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n return { key: frame.type, info: description, data: value };\n } else {\n /*\n Format:\n [0-?] = {URL}\n */\n const url = ID3._utf8ArrayToStr(frame.data);\n return { key: frame.type, data: url };\n }\n }\n\n // http://stackoverflow.com/questions/8936984/uint8array-to-string-in-javascript/22373197\n // http://www.onicos.com/staff/iz/amuse/javascript/expert/utf.txt\n /* utf.js - UTF-8 <=> UTF-16 convertion\n *\n * Copyright (C) 1999 Masanao Izumo <iz@onicos.co.jp>\n * Version: 1.0\n * LastModified: Dec 25 1999\n * This library is free. You can redistribute it and/or modify it.\n */\n static _utf8ArrayToStr (array, exitOnNull = false) {\n const decoder = getTextDecoder();\n if (decoder) {\n const decoded = decoder.decode(array);\n\n if (exitOnNull) {\n // grab up to the first null\n const idx = decoded.indexOf('\\0');\n return idx !== -1 ? decoded.substring(0, idx) : decoded;\n }\n\n // remove any null characters\n return decoded.replace(/\\0/g, '');\n }\n\n const len = array.length;\n let c;\n let char2;\n let char3;\n let out = '';\n let i = 0;\n while (i < len) {\n c = array[i++];\n if (c === 0x00 && exitOnNull) {\n return out;\n } else if (c === 0x00 || c === 0x03) {\n // If the character is 3 (END_OF_TEXT) or 0 (NULL) then skip it\n continue;\n }\n switch (c >> 4) {\n case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:\n // 0xxxxxxx\n out += String.fromCharCode(c);\n break;\n case 12: case 13:\n // 110x xxxx 10xx xxxx\n char2 = array[i++];\n out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F));\n break;\n case 14:\n // 1110 xxxx 10xx xxxx 10xx xxxx\n char2 = array[i++];\n char3 = array[i++];\n out += String.fromCharCode(((c & 0x0F) << 12) |\n ((char2 & 0x3F) << 6) |\n ((char3 & 0x3F) << 0));\n break;\n default:\n }\n }\n return out;\n }\n}\n\nlet decoder;\n\nfunction getTextDecoder () {\n const global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n if (!decoder && typeof global.TextDecoder !== 'undefined') {\n decoder = new global.TextDecoder('utf-8');\n }\n\n return decoder;\n}\n\nconst utf8ArrayToStr = ID3._utf8ArrayToStr;\n\nexport default ID3;\n\nexport { utf8ArrayToStr };\n","/**\n * MP4 demuxer\n */\nimport { logger } from '../utils/logger';\nimport Event from '../events';\n\nconst UINT32_MAX = Math.pow(2, 32) - 1;\n\nclass MP4Demuxer {\n constructor (observer, remuxer) {\n this.observer = observer;\n this.remuxer = remuxer;\n }\n\n resetTimeStamp (initPTS) {\n this.initPTS = initPTS;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n // jshint unused:false\n if (initSegment && initSegment.byteLength) {\n const initData = this.initData = MP4Demuxer.parseInitSegment(initSegment);\n\n // default audio codec if nothing specified\n // TODO : extract that from initsegment\n if (audioCodec == null) {\n audioCodec = 'mp4a.40.5';\n }\n\n if (videoCodec == null) {\n videoCodec = 'avc1.42e01e';\n }\n\n const tracks = {};\n if (initData.audio && initData.video) {\n tracks.audiovideo = { container: 'video/mp4', codec: audioCodec + ',' + videoCodec, initSegment: duration ? initSegment : null };\n } else {\n if (initData.audio) {\n tracks.audio = { container: 'audio/mp4', codec: audioCodec, initSegment: duration ? initSegment : null };\n }\n\n if (initData.video) {\n tracks.video = { container: 'video/mp4', codec: videoCodec, initSegment: duration ? initSegment : null };\n }\n }\n this.observer.trigger(Event.FRAG_PARSING_INIT_SEGMENT, { tracks });\n } else {\n if (audioCodec) {\n this.audioCodec = audioCodec;\n }\n\n if (videoCodec) {\n this.videoCodec = videoCodec;\n }\n }\n }\n\n static probe (data) {\n // ensure we find a moof box in the first 16 kB\n return MP4Demuxer.findBox({ data: data, start: 0, end: Math.min(data.length, 16384) }, ['moof']).length > 0;\n }\n\n static bin2str (buffer) {\n return String.fromCharCode.apply(null, buffer);\n }\n\n static readUint16 (buffer, offset) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n\n const val = buffer[offset] << 8 |\n buffer[offset + 1];\n\n return val < 0 ? 65536 + val : val;\n }\n\n static readUint32 (buffer, offset) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n\n const val = buffer[offset] << 24 |\n buffer[offset + 1] << 16 |\n buffer[offset + 2] << 8 |\n buffer[offset + 3];\n return val < 0 ? 4294967296 + val : val;\n }\n\n static writeUint32 (buffer, offset, value) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n buffer[offset] = value >> 24;\n buffer[offset + 1] = (value >> 16) & 0xff;\n buffer[offset + 2] = (value >> 8) & 0xff;\n buffer[offset + 3] = value & 0xff;\n }\n\n // Find the data for a box specified by its path\n static findBox (data, path) {\n let results = [],\n i, size, type, end, subresults, start, endbox;\n\n if (data.data) {\n start = data.start;\n end = data.end;\n data = data.data;\n } else {\n start = 0;\n end = data.byteLength;\n }\n\n if (!path.length) {\n // short-circuit the search for empty paths\n return null;\n }\n\n for (i = start; i < end;) {\n size = MP4Demuxer.readUint32(data, i);\n type = MP4Demuxer.bin2str(data.subarray(i + 4, i + 8));\n endbox = size > 1 ? i + size : end;\n\n if (type === path[0]) {\n if (path.length === 1) {\n // this is the end of the path and we've found the box we were\n // looking for\n results.push({ data: data, start: i + 8, end: endbox });\n } else {\n // recursively search for the next box along the path\n subresults = MP4Demuxer.findBox({ data: data, start: i + 8, end: endbox }, path.slice(1));\n if (subresults.length) {\n results = results.concat(subresults);\n }\n }\n }\n i = endbox;\n }\n\n // we've finished searching all of data\n return results;\n }\n\n static parseSegmentIndex (initSegment) {\n const moov = MP4Demuxer.findBox(initSegment, ['moov'])[0];\n const moovEndOffset = moov ? moov.end : null; // we need this in case we need to chop of garbage of the end of current data\n\n let index = 0;\n let sidx = MP4Demuxer.findBox(initSegment, ['sidx']);\n let references;\n\n if (!sidx || !sidx[0]) {\n return null;\n }\n\n references = [];\n sidx = sidx[0];\n\n const version = sidx.data[0];\n\n // set initial offset, we skip the reference ID (not needed)\n index = version === 0 ? 8 : 16;\n\n const timescale = MP4Demuxer.readUint32(sidx, index);\n index += 4;\n\n // TODO: parse earliestPresentationTime and firstOffset\n // usually zero in our case\n let earliestPresentationTime = 0;\n let firstOffset = 0;\n\n if (version === 0) {\n index += 8;\n } else {\n index += 16;\n }\n\n // skip reserved\n index += 2;\n\n let startByte = sidx.end + firstOffset;\n\n const referencesCount = MP4Demuxer.readUint16(sidx, index);\n index += 2;\n\n for (let i = 0; i < referencesCount; i++) {\n let referenceIndex = index;\n\n const referenceInfo = MP4Demuxer.readUint32(sidx, referenceIndex);\n referenceIndex += 4;\n\n const referenceSize = referenceInfo & 0x7FFFFFFF;\n const referenceType = (referenceInfo & 0x80000000) >>> 31;\n\n if (referenceType === 1) {\n console.warn('SIDX has hierarchical references (not supported)');\n return;\n }\n\n const subsegmentDuration = MP4Demuxer.readUint32(sidx, referenceIndex);\n referenceIndex += 4;\n\n references.push({\n referenceSize,\n subsegmentDuration, // unscaled\n info: {\n duration: subsegmentDuration / timescale,\n start: startByte,\n end: startByte + referenceSize - 1\n }\n });\n\n startByte += referenceSize;\n\n // Skipping 1 bit for |startsWithSap|, 3 bits for |sapType|, and 28 bits\n // for |sapDelta|.\n referenceIndex += 4;\n\n // skip to next ref\n index = referenceIndex;\n }\n\n return {\n earliestPresentationTime,\n timescale,\n version,\n referencesCount,\n references,\n moovEndOffset\n };\n }\n\n /**\n * Parses an MP4 initialization segment and extracts stream type and\n * timescale values for any declared tracks. Timescale values indicate the\n * number of clock ticks per second to assume for time-based values\n * elsewhere in the MP4.\n *\n * To determine the start time of an MP4, you need two pieces of\n * information: the timescale unit and the earliest base media decode\n * time. Multiple timescales can be specified within an MP4 but the\n * base media decode time is always expressed in the timescale from\n * the media header box for the track:\n * ```\n * moov > trak > mdia > mdhd.timescale\n * moov > trak > mdia > hdlr\n * ```\n * @param init {Uint8Array} the bytes of the init segment\n * @return {object} a hash of track type to timescale values or null if\n * the init segment is malformed.\n */\n static parseInitSegment (initSegment) {\n let result = [];\n let traks = MP4Demuxer.findBox(initSegment, ['moov', 'trak']);\n\n traks.forEach(trak => {\n const tkhd = MP4Demuxer.findBox(trak, ['tkhd'])[0];\n if (tkhd) {\n let version = tkhd.data[tkhd.start];\n let index = version === 0 ? 12 : 20;\n let trackId = MP4Demuxer.readUint32(tkhd, index);\n\n const mdhd = MP4Demuxer.findBox(trak, ['mdia', 'mdhd'])[0];\n if (mdhd) {\n version = mdhd.data[mdhd.start];\n index = version === 0 ? 12 : 20;\n const timescale = MP4Demuxer.readUint32(mdhd, index);\n\n const hdlr = MP4Demuxer.findBox(trak, ['mdia', 'hdlr'])[0];\n if (hdlr) {\n const hdlrType = MP4Demuxer.bin2str(hdlr.data.subarray(hdlr.start + 8, hdlr.start + 12));\n let type = { 'soun': 'audio', 'vide': 'video' }[hdlrType];\n if (type) {\n // extract codec info. TODO : parse codec details to be able to build MIME type\n let codecBox = MP4Demuxer.findBox(trak, ['mdia', 'minf', 'stbl', 'stsd']);\n if (codecBox.length) {\n codecBox = codecBox[0];\n let codecType = MP4Demuxer.bin2str(codecBox.data.subarray(codecBox.start + 12, codecBox.start + 16));\n logger.log(`MP4Demuxer:${type}:${codecType} found`);\n }\n result[trackId] = { timescale: timescale, type: type };\n result[type] = { timescale: timescale, id: trackId };\n }\n }\n }\n }\n });\n return result;\n }\n\n /**\n * Determine the base media decode start time, in seconds, for an MP4\n * fragment. If multiple fragments are specified, the earliest time is\n * returned.\n *\n * The base media decode time can be parsed from track fragment\n * metadata:\n * ```\n * moof > traf > tfdt.baseMediaDecodeTime\n * ```\n * It requires the timescale value from the mdhd to interpret.\n *\n * @param timescale {object} a hash of track ids to timescale values.\n * @return {number} the earliest base media decode start time for the\n * fragment, in seconds\n */\n static getStartDTS (initData, fragment) {\n let trafs, baseTimes, result;\n\n // we need info from two childrend of each track fragment box\n trafs = MP4Demuxer.findBox(fragment, ['moof', 'traf']);\n\n // determine the start times for each track\n baseTimes = [].concat.apply([], trafs.map(function (traf) {\n return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) {\n let id, scale, baseTime;\n\n // get the track id from the tfhd\n id = MP4Demuxer.readUint32(tfhd, 4);\n // assume a 90kHz clock if no timescale was specified\n scale = initData[id].timescale || 90e3;\n\n // get the base media decode time from the tfdt\n baseTime = MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) {\n let version, result;\n\n version = tfdt.data[tfdt.start];\n result = MP4Demuxer.readUint32(tfdt, 4);\n if (version === 1) {\n result *= Math.pow(2, 32);\n\n result += MP4Demuxer.readUint32(tfdt, 8);\n }\n return result;\n })[0];\n // convert base time to seconds\n return baseTime / scale;\n });\n }));\n\n // return the minimum\n result = Math.min.apply(null, baseTimes);\n return isFinite(result) ? result : 0;\n }\n\n static offsetStartDTS (initData, fragment, timeOffset) {\n MP4Demuxer.findBox(fragment, ['moof', 'traf']).map(function (traf) {\n return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) {\n // get the track id from the tfhd\n let id = MP4Demuxer.readUint32(tfhd, 4);\n // assume a 90kHz clock if no timescale was specified\n let timescale = initData[id].timescale || 90e3;\n\n // get the base media decode time from the tfdt\n MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) {\n let version = tfdt.data[tfdt.start];\n let baseMediaDecodeTime = MP4Demuxer.readUint32(tfdt, 4);\n if (version === 0) {\n MP4Demuxer.writeUint32(tfdt, 4, baseMediaDecodeTime - timeOffset * timescale);\n } else {\n baseMediaDecodeTime *= Math.pow(2, 32);\n baseMediaDecodeTime += MP4Demuxer.readUint32(tfdt, 8);\n baseMediaDecodeTime -= timeOffset * timescale;\n baseMediaDecodeTime = Math.max(baseMediaDecodeTime, 0);\n const upper = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1));\n const lower = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1));\n MP4Demuxer.writeUint32(tfdt, 4, upper);\n MP4Demuxer.writeUint32(tfdt, 8, lower);\n }\n });\n });\n });\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let initData = this.initData;\n if (!initData) {\n this.resetInitSegment(data, this.audioCodec, this.videoCodec, false);\n initData = this.initData;\n }\n let startDTS, initPTS = this.initPTS;\n if (initPTS === undefined) {\n let startDTS = MP4Demuxer.getStartDTS(initData, data);\n this.initPTS = initPTS = startDTS - timeOffset;\n this.observer.trigger(Event.INIT_PTS_FOUND, { initPTS: initPTS });\n }\n MP4Demuxer.offsetStartDTS(initData, data, initPTS);\n startDTS = MP4Demuxer.getStartDTS(initData, data);\n this.remuxer.remux(initData.audio, initData.video, null, null, startDTS, contiguous, accurateTimeOffset, data);\n }\n\n destroy () {}\n}\n\nexport default MP4Demuxer;\n","// This file is inserted as a shim for modules which we do not want to include into the distro.\n// This replacement is done in the \"resolve\" section of the webpack config.\nmodule.exports = void 0;\n","export enum ErrorTypes {\n // Identifier for a network error (loading error / timeout ...)\n NETWORK_ERROR = 'networkError',\n // Identifier for a media Error (video/parsing/mediasource error)\n MEDIA_ERROR = 'mediaError',\n // EME (encrypted media extensions) errors\n KEY_SYSTEM_ERROR = 'keySystemError',\n // Identifier for a mux Error (demuxing/remuxing)\n MUX_ERROR = 'muxError',\n // Identifier for all other errors\n OTHER_ERROR = 'otherError'\n}\n\n/**\n * @enum {ErrorDetails}\n * @typedef {string} ErrorDetail\n */\nexport enum ErrorDetails {\n KEY_SYSTEM_NO_KEYS = 'keySystemNoKeys',\n KEY_SYSTEM_NO_ACCESS = 'keySystemNoAccess',\n KEY_SYSTEM_NO_SESSION = 'keySystemNoSession',\n KEY_SYSTEM_LICENSE_REQUEST_FAILED = 'keySystemLicenseRequestFailed',\n KEY_SYSTEM_NO_INIT_DATA = 'keySystemNoInitData',\n // Identifier for a manifest load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n MANIFEST_LOAD_ERROR = 'manifestLoadError',\n // Identifier for a manifest load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n MANIFEST_LOAD_TIMEOUT = 'manifestLoadTimeOut',\n // Identifier for a manifest parsing error - data: { url : faulty URL, reason : error reason}\n MANIFEST_PARSING_ERROR = 'manifestParsingError',\n // Identifier for a manifest with only incompatible codecs error - data: { url : faulty URL, reason : error reason}\n MANIFEST_INCOMPATIBLE_CODECS_ERROR = 'manifestIncompatibleCodecsError',\n // Identifier for a level load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n LEVEL_LOAD_ERROR = 'levelLoadError',\n // Identifier for a level load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n LEVEL_LOAD_TIMEOUT = 'levelLoadTimeOut',\n // Identifier for a level switch error - data: { level : faulty level Id, event : error description}\n LEVEL_SWITCH_ERROR = 'levelSwitchError',\n // Identifier for an audio track load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n AUDIO_TRACK_LOAD_ERROR = 'audioTrackLoadError',\n // Identifier for an audio track load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n AUDIO_TRACK_LOAD_TIMEOUT = 'audioTrackLoadTimeOut',\n // Identifier for fragment load error - data: { frag : fragment object, response : { code: error code, text: error text }}\n FRAG_LOAD_ERROR = 'fragLoadError',\n // Identifier for fragment load timeout error - data: { frag : fragment object}\n FRAG_LOAD_TIMEOUT = 'fragLoadTimeOut',\n // Identifier for a fragment decryption error event - data: {id : demuxer Id,frag: fragment object, reason : parsing error description }\n FRAG_DECRYPT_ERROR = 'fragDecryptError',\n // Identifier for a fragment parsing error event - data: { id : demuxer Id, reason : parsing error description }\n // will be renamed DEMUX_PARSING_ERROR and switched to MUX_ERROR in the next major release\n FRAG_PARSING_ERROR = 'fragParsingError',\n // Identifier for a remux alloc error event - data: { id : demuxer Id, frag : fragment object, bytes : nb of bytes on which allocation failed , reason : error text }\n REMUX_ALLOC_ERROR = 'remuxAllocError',\n // Identifier for decrypt key load error - data: { frag : fragment object, response : { code: error code, text: error text }}\n KEY_LOAD_ERROR = 'keyLoadError',\n // Identifier for decrypt key load timeout error - data: { frag : fragment object}\n KEY_LOAD_TIMEOUT = 'keyLoadTimeOut',\n // Triggered when an exception occurs while adding a sourceBuffer to MediaSource - data : { err : exception , mimeType : mimeType }\n BUFFER_ADD_CODEC_ERROR = 'bufferAddCodecError',\n // Identifier for a buffer append error - data: append error description\n BUFFER_APPEND_ERROR = 'bufferAppendError',\n // Identifier for a buffer appending error event - data: appending error description\n BUFFER_APPENDING_ERROR = 'bufferAppendingError',\n // Identifier for a buffer stalled error event\n BUFFER_STALLED_ERROR = 'bufferStalledError',\n // Identifier for a buffer full event\n BUFFER_FULL_ERROR = 'bufferFullError',\n // Identifier for a buffer seek over hole event\n BUFFER_SEEK_OVER_HOLE = 'bufferSeekOverHole',\n // Identifier for a buffer nudge on stall (playback is stuck although currentTime is in a buffered area)\n BUFFER_NUDGE_ON_STALL = 'bufferNudgeOnStall',\n // Identifier for an internal exception happening inside hls.js while handling an event\n INTERNAL_EXCEPTION = 'internalException'\n}\n","/**\n * @readonly\n * @enum {string}\n */\nconst HlsEvents = {\n // fired before MediaSource is attaching to media element - data: { media }\n MEDIA_ATTACHING: 'hlsMediaAttaching',\n // fired when MediaSource has been succesfully attached to media element - data: { }\n MEDIA_ATTACHED: 'hlsMediaAttached',\n // fired before detaching MediaSource from media element - data: { }\n MEDIA_DETACHING: 'hlsMediaDetaching',\n // fired when MediaSource has been detached from media element - data: { }\n MEDIA_DETACHED: 'hlsMediaDetached',\n // fired when we buffer is going to be reset - data: { }\n BUFFER_RESET: 'hlsBufferReset',\n // fired when we know about the codecs that we need buffers for to push into - data: {tracks : { container, codec, levelCodec, initSegment, metadata }}\n BUFFER_CODECS: 'hlsBufferCodecs',\n // fired when sourcebuffers have been created - data: { tracks : tracks }\n BUFFER_CREATED: 'hlsBufferCreated',\n // fired when we append a segment to the buffer - data: { segment: segment object }\n BUFFER_APPENDING: 'hlsBufferAppending',\n // fired when we are done with appending a media segment to the buffer - data : { parent : segment parent that triggered BUFFER_APPENDING, pending : nb of segments waiting for appending for this segment parent}\n BUFFER_APPENDED: 'hlsBufferAppended',\n // fired when the stream is finished and we want to notify the media buffer that there will be no more data - data: { }\n BUFFER_EOS: 'hlsBufferEos',\n // fired when the media buffer should be flushed - data { startOffset, endOffset }\n BUFFER_FLUSHING: 'hlsBufferFlushing',\n // fired when the media buffer has been flushed - data: { }\n BUFFER_FLUSHED: 'hlsBufferFlushed',\n // fired to signal that a manifest loading starts - data: { url : manifestURL}\n MANIFEST_LOADING: 'hlsManifestLoading',\n // fired after manifest has been loaded - data: { levels : [available quality levels], audioTracks : [ available audio tracks], url : manifestURL, stats : { trequest, tfirst, tload, mtime}}\n MANIFEST_LOADED: 'hlsManifestLoaded',\n // fired after manifest has been parsed - data: { levels : [available quality levels], firstLevel : index of first quality level appearing in Manifest}\n MANIFEST_PARSED: 'hlsManifestParsed',\n // fired when a level switch is requested - data: { level : id of new level }\n LEVEL_SWITCHING: 'hlsLevelSwitching',\n // fired when a level switch is effective - data: { level : id of new level }\n LEVEL_SWITCHED: 'hlsLevelSwitched',\n // fired when a level playlist loading starts - data: { url : level URL, level : id of level being loaded}\n LEVEL_LOADING: 'hlsLevelLoading',\n // fired when a level playlist loading finishes - data: { details : levelDetails object, level : id of loaded level, stats : { trequest, tfirst, tload, mtime} }\n LEVEL_LOADED: 'hlsLevelLoaded',\n // fired when a level's details have been updated based on previous details, after it has been loaded - data: { details : levelDetails object, level : id of updated level }\n LEVEL_UPDATED: 'hlsLevelUpdated',\n // fired when a level's PTS information has been updated after parsing a fragment - data: { details : levelDetails object, level : id of updated level, drift: PTS drift observed when parsing last fragment }\n LEVEL_PTS_UPDATED: 'hlsLevelPtsUpdated',\n // fired when the live back buffer is reached defined by the liveBackBufferLength config option - data : { bufferEnd: number }\n LIVE_BACK_BUFFER_REACHED: 'hlsLiveBackBufferReached',\n // fired to notify that audio track lists has been updated - data: { audioTracks : audioTracks }\n AUDIO_TRACKS_UPDATED: 'hlsAudioTracksUpdated',\n // fired when an audio track switching is requested - data: { id : audio track id }\n AUDIO_TRACK_SWITCHING: 'hlsAudioTrackSwitching',\n // fired when an audio track switch actually occurs - data: { id : audio track id }\n AUDIO_TRACK_SWITCHED: 'hlsAudioTrackSwitched',\n // fired when an audio track loading starts - data: { url : audio track URL, id : audio track id }\n AUDIO_TRACK_LOADING: 'hlsAudioTrackLoading',\n // fired when an audio track loading finishes - data: { details : levelDetails object, id : audio track id, stats : { trequest, tfirst, tload, mtime } }\n AUDIO_TRACK_LOADED: 'hlsAudioTrackLoaded',\n // fired to notify that subtitle track lists has been updated - data: { subtitleTracks : subtitleTracks }\n SUBTITLE_TRACKS_UPDATED: 'hlsSubtitleTracksUpdated',\n // fired when an subtitle track switch occurs - data: { id : subtitle track id }\n SUBTITLE_TRACK_SWITCH: 'hlsSubtitleTrackSwitch',\n // fired when a subtitle track loading starts - data: { url : subtitle track URL, id : subtitle track id }\n SUBTITLE_TRACK_LOADING: 'hlsSubtitleTrackLoading',\n // fired when a subtitle track loading finishes - data: { details : levelDetails object, id : subtitle track id, stats : { trequest, tfirst, tload, mtime } }\n SUBTITLE_TRACK_LOADED: 'hlsSubtitleTrackLoaded',\n // fired when a subtitle fragment has been processed - data: { success : boolean, frag : the processed frag }\n SUBTITLE_FRAG_PROCESSED: 'hlsSubtitleFragProcessed',\n // fired when the first timestamp is found - data: { id : demuxer id, initPTS: initPTS, frag : fragment object }\n INIT_PTS_FOUND: 'hlsInitPtsFound',\n // fired when a fragment loading starts - data: { frag : fragment object }\n FRAG_LOADING: 'hlsFragLoading',\n // fired when a fragment loading is progressing - data: { frag : fragment object, { trequest, tfirst, loaded } }\n FRAG_LOAD_PROGRESS: 'hlsFragLoadProgress',\n // Identifier for fragment load aborting for emergency switch down - data: { frag : fragment object }\n FRAG_LOAD_EMERGENCY_ABORTED: 'hlsFragLoadEmergencyAborted',\n // fired when a fragment loading is completed - data: { frag : fragment object, payload : fragment payload, stats : { trequest, tfirst, tload, length } }\n FRAG_LOADED: 'hlsFragLoaded',\n // fired when a fragment has finished decrypting - data: { id : demuxer id, frag: fragment object, payload : fragment payload, stats : { tstart, tdecrypt } }\n FRAG_DECRYPTED: 'hlsFragDecrypted',\n // fired when Init Segment has been extracted from fragment - data: { id : demuxer id, frag: fragment object, moov : moov MP4 box, codecs : codecs found while parsing fragment }\n FRAG_PARSING_INIT_SEGMENT: 'hlsFragParsingInitSegment',\n // fired when parsing sei text is completed - data: { id : demuxer id, frag: fragment object, samples : [ sei samples pes ] }\n FRAG_PARSING_USERDATA: 'hlsFragParsingUserdata',\n // fired when parsing id3 is completed - data: { id : demuxer id, frag: fragment object, samples : [ id3 samples pes ] }\n FRAG_PARSING_METADATA: 'hlsFragParsingMetadata',\n // fired when data have been extracted from fragment - data: { id : demuxer id, frag: fragment object, data1 : moof MP4 box or TS fragments, data2 : mdat MP4 box or null}\n FRAG_PARSING_DATA: 'hlsFragParsingData',\n // fired when fragment parsing is completed - data: { id : demuxer id, frag: fragment object }\n FRAG_PARSED: 'hlsFragParsed',\n // fired when fragment remuxed MP4 boxes have all been appended into SourceBuffer - data: { id : demuxer id, frag : fragment object, stats : { trequest, tfirst, tload, tparsed, tbuffered, length, bwEstimate } }\n FRAG_BUFFERED: 'hlsFragBuffered',\n // fired when fragment matching with current media position is changing - data : { id : demuxer id, frag : fragment object }\n FRAG_CHANGED: 'hlsFragChanged',\n // Identifier for a FPS drop event - data: { curentDropped, currentDecoded, totalDroppedFrames }\n FPS_DROP: 'hlsFpsDrop',\n // triggered when FPS drop triggers auto level capping - data: { level, droppedlevel }\n FPS_DROP_LEVEL_CAPPING: 'hlsFpsDropLevelCapping',\n // Identifier for an error event - data: { type : error type, details : error details, fatal : if true, hls.js cannot/will not try to recover, if false, hls.js will try to recover,other error specific data }\n ERROR: 'hlsError',\n // fired when hls.js instance starts destroying. Different from MEDIA_DETACHED as one could want to detach and reattach a media to the instance of hls.js to handle mid-rolls for example - data: { }\n DESTROYING: 'hlsDestroying',\n // fired when a decrypt key loading starts - data: { frag : fragment object }\n KEY_LOADING: 'hlsKeyLoading',\n // fired when a decrypt key loading is completed - data: { frag : fragment object, payload : key payload, stats : { trequest, tfirst, tload, length } }\n KEY_LOADED: 'hlsKeyLoaded',\n // fired upon stream controller state transitions - data: { previousState, nextState }\n STREAM_STATE_TRANSITION: 'hlsStreamStateTransition',\n // fired when the live back buffer is reached defined by the liveBackBufferLength config option - data : { bufferEnd: number }\n LIVE_BACK_BUFFER_REACHED: 'hlsLiveBackBufferReached',\n // fired when `seeked` event happens, not fired if current position is outside of the buffered range and config option `seekWithinTolerance` is true\n CAN_PLAY_AFTER_SEEK: 'hlsCanPlayAfterSeek',\n};\n\nexport default HlsEvents;\n","/*\n*\n* All objects in the event handling chain should inherit from this class\n*\n*/\n\nimport { logger } from './utils/logger';\nimport { ErrorTypes, ErrorDetails } from './errors';\nimport Event from './events';\nimport Hls from './hls';\n\nconst FORBIDDEN_EVENT_NAMES = {\n 'hlsEventGeneric': true,\n 'hlsHandlerDestroying': true,\n 'hlsHandlerDestroyed': true\n};\n\nclass EventHandler {\n hls: Hls;\n handledEvents: any[];\n useGenericHandler: boolean;\n\n constructor (hls: Hls, ...events: any[]) {\n this.hls = hls;\n this.onEvent = this.onEvent.bind(this);\n this.handledEvents = events;\n this.useGenericHandler = true;\n\n this.registerListeners();\n }\n\n destroy () {\n this.onHandlerDestroying();\n this.unregisterListeners();\n this.onHandlerDestroyed();\n }\n\n protected onHandlerDestroying () {}\n protected onHandlerDestroyed () {}\n\n isEventHandler () {\n return typeof this.handledEvents === 'object' && this.handledEvents.length && typeof this.onEvent === 'function';\n }\n\n registerListeners () {\n if (this.isEventHandler()) {\n this.handledEvents.forEach(function (event) {\n if (FORBIDDEN_EVENT_NAMES[event]) {\n throw new Error('Forbidden event-name: ' + event);\n }\n\n this.hls.on(event, this.onEvent);\n }, this);\n }\n }\n\n unregisterListeners () {\n if (this.isEventHandler()) {\n this.handledEvents.forEach(function (event) {\n this.hls.off(event, this.onEvent);\n }, this);\n }\n }\n\n /**\n * arguments: event (string), data (any)\n */\n onEvent (event: string, data: any) {\n this.onEventGeneric(event, data);\n }\n\n onEventGeneric (event: string, data: any) {\n let eventToFunction = function (event: string, data: any) {\n let funcName = 'on' + event.replace('hls', '');\n if (typeof this[funcName] !== 'function') {\n throw new Error(`Event ${event} has no generic handler in this ${this.constructor.name} class (tried ${funcName})`);\n }\n\n return this[funcName].bind(this, data);\n };\n try {\n eventToFunction.call(this, event, data).call();\n } catch (err) {\n logger.error(`An internal error happened while handling event ${event}. Error message: \"${err.message}\". Here is a stacktrace:`, err);\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.OTHER_ERROR, details: ErrorDetails.INTERNAL_EXCEPTION, fatal: false, event: event, err: err });\n }\n }\n}\n\nexport default EventHandler;\n","import Level from '../loader/level';\n\nexport interface LoaderContext {\n // target URL\n url: string\n // loader response type (arraybuffer or default response type for playlist)\n responseType: string\n // start byte range offset\n rangeStart?: number\n // end byte range offset\n rangeEnd?: number\n // true if onProgress should report partial chunk of loaded content\n progressData?: boolean\n}\n\nexport interface LoaderConfiguration {\n // Max number of load retries\n maxRetry: number\n // Timeout after which `onTimeOut` callback will be triggered\n // (if loading is still not finished after that delay)\n timeout: number\n // Delay between an I/O error and following connection retry (ms).\n // This to avoid spamming the server\n retryDelay: number\n // max connection retry delay (ms)\n maxRetryDelay: number\n}\n\nexport interface LoaderResponse {\n url: string,\n // TODO(jstackhouse): SharedArrayBuffer, es2017 extension to TS\n data: string | ArrayBuffer\n}\n\nexport interface LoaderStats {\n // performance.now() just after load() has been called\n trequest: number\n // performance.now() of first received byte\n tfirst: number\n // performance.now() on load complete\n tload: number\n // performance.now() on parse completion\n tparsed: number\n // number of loaded bytes\n loaded: number\n // total number of bytes\n total: number\n}\n\ntype LoaderOnSuccess < T extends LoaderContext > = (\n response: LoaderResponse,\n stats: LoaderStats,\n context: T,\n networkDetails: any\n) => void;\n\ntype LoaderOnProgress < T extends LoaderContext > = (\n stats: LoaderStats,\n context: T,\n data: string | ArrayBuffer,\n networkDetails: any,\n) => void;\n\ntype LoaderOnError < T extends LoaderContext > = (\n error: {\n // error status code\n code: number,\n // error description\n text: string,\n },\n context: T,\n networkDetails: any,\n) => void;\n\ntype LoaderOnTimeout < T extends LoaderContext > = (\n stats: LoaderStats,\n context: T,\n) => void;\n\nexport interface LoaderCallbacks<T extends LoaderContext>{\n onSuccess: LoaderOnSuccess<T>,\n onError: LoaderOnError<T>,\n onTimeout: LoaderOnTimeout<T>,\n onProgress?: LoaderOnProgress<T>,\n}\n\nexport interface Loader<T extends LoaderContext> {\n destroy(): void\n abort(): void\n load(\n context: LoaderContext,\n config: LoaderConfiguration,\n callbacks: LoaderCallbacks<T>,\n ): void\n\n context: T\n}\n\n/**\n * `type` property values for this loaders' context object\n * @enum\n *\n */\nexport enum PlaylistContextType {\n MANIFEST = 'manifest',\n LEVEL = 'level',\n AUDIO_TRACK = 'audioTrack',\n SUBTITLE_TRACK= 'subtitleTrack'\n}\n\n/**\n * @enum {string}\n */\nexport enum PlaylistLevelType {\n MAIN = 'main',\n AUDIO = 'audio',\n SUBTITLE = 'subtitle'\n}\n\nexport interface PlaylistLoaderContext extends LoaderContext {\n loader?: Loader<PlaylistLoaderContext>\n\n type: PlaylistContextType\n // the level index to load\n level: number | null\n // TODO: what is id?\n id: number | null\n // defines if the loader is handling a sidx request for the playlist\n isSidxRequest?: boolean\n // internal reprsentation of a parsed m3u8 level playlist\n levelDetails?: Level\n}\n","import { buildAbsoluteURL } from 'url-toolkit';\n\nexport default class LevelKey {\n private _uri: string | null = null;\n\n public baseuri: string;\n public reluri: string;\n public method: string | null = null;\n public key: Uint8Array | null = null;\n public iv: Uint8Array | null = null;\n\n constructor (baseURI: string, relativeURI: string) {\n this.baseuri = baseURI;\n this.reluri = relativeURI;\n }\n\n get uri () {\n if (!this._uri && this.reluri) {\n this._uri = buildAbsoluteURL(this.baseuri, this.reluri, { alwaysNormalize: true });\n }\n\n return this._uri;\n }\n}\n","\nimport { buildAbsoluteURL } from 'url-toolkit';\nimport { logger } from '../utils/logger';\nimport LevelKey from './level-key';\nimport { PlaylistLevelType } from '../types/loader';\n\nexport enum ElementaryStreamTypes {\n AUDIO = 'audio',\n VIDEO = 'video',\n}\n\nexport default class Fragment {\n private _url: string | null = null;\n private _byteRange: number[] | null = null;\n private _decryptdata: LevelKey | null = null;\n\n // Holds the types of data this fragment supports\n private _elementaryStreams: Record<ElementaryStreamTypes, boolean> = {\n [ElementaryStreamTypes.AUDIO]: false,\n [ElementaryStreamTypes.VIDEO]: false\n };\n\n // deltaPTS tracks the change in presentation timestamp between fragments\n public deltaPTS: number = 0;\n\n public rawProgramDateTime: string | null = null;\n public programDateTime: number | null = null;\n public title: string | null = null;\n public tagList: Array<string[]> = [];\n\n // TODO: Move at least baseurl to constructor.\n // Currently we do a two-pass construction as use the Fragment class almost like a object for holding parsing state.\n // It may make more sense to just use a POJO to keep state during the parsing phase.\n // Have Fragment be the representation once we have a known state?\n // Something to think on.\n\n // Discontinuity Counter\n public cc!: number;\n\n public type!: PlaylistLevelType;\n // relurl is the portion of the URL that comes from inside the playlist.\n public relurl!: string;\n // baseurl is the URL to the playlist\n public baseurl!: string;\n // EXTINF has to be present for a m3u8 to be considered valid\n public duration!: number;\n // When this segment starts in the timeline\n public start!: number;\n // sn notates the sequence number for a segment, and if set to a string can be 'initSegment'\n public sn: number | 'initSegment' = 0;\n\n public urlId: number = 0;\n // level matches this fragment to a index playlist\n public level: number = 0;\n // levelkey is the EXT-X-KEY that applies to this segment for decryption\n // core difference from the private field _decryptdata is the lack of the initialized IV\n // _decryptdata will set the IV for this segment based on the segment number in the fragment\n public levelkey?: LevelKey;\n\n // TODO(typescript-xhrloader)\n public loader: any;\n\n // setByteRange converts a EXT-X-BYTERANGE attribute into a two element array\n setByteRange (value: string, previousFrag?: Fragment) {\n const params = value.split('@', 2);\n const byteRange: number[] = [];\n if (params.length === 1) {\n byteRange[0] = previousFrag ? previousFrag.byteRangeEndOffset : 0;\n } else {\n byteRange[0] = parseInt(params[1]);\n }\n byteRange[1] = parseInt(params[0]) + byteRange[0];\n this._byteRange = byteRange;\n }\n\n get url () {\n if (!this._url && this.relurl) {\n this._url = buildAbsoluteURL(this.baseurl, this.relurl, { alwaysNormalize: true });\n }\n\n return this._url;\n }\n\n set url (value) {\n this._url = value;\n }\n\n get byteRange (): number[] {\n if (!this._byteRange) {\n return [];\n }\n\n return this._byteRange;\n }\n\n /**\n * @type {number}\n */\n get byteRangeStartOffset () {\n return this.byteRange[0];\n }\n\n get byteRangeEndOffset () {\n return this.byteRange[1];\n }\n\n get decryptdata (): LevelKey | null {\n if (!this.levelkey && !this._decryptdata) {\n return null;\n }\n\n if (!this._decryptdata && this.levelkey) {\n let sn = this.sn;\n if (typeof sn !== 'number') {\n // We are fetching decryption data for a initialization segment\n // If the segment was encrypted with AES-128\n // It must have an IV defined. We cannot substitute the Segment Number in.\n if (this.levelkey && this.levelkey.method === 'AES-128' && !this.levelkey.iv) {\n logger.warn(`missing IV for initialization segment with method=\"${this.levelkey.method}\" - compliance issue`);\n }\n\n /*\n Be converted to a Number.\n 'initSegment' will become NaN.\n NaN, which when converted through ToInt32() -> +0.\n ---\n Explicitly set sn to resulting value from implicit conversions 'initSegment' values for IV generation.\n */\n sn = 0;\n }\n this._decryptdata = this.setDecryptDataFromLevelKey(this.levelkey, sn);\n }\n\n return this._decryptdata;\n }\n\n get endProgramDateTime () {\n if (this.programDateTime === null) {\n return null;\n }\n\n if (!Number.isFinite(this.programDateTime)) {\n return null;\n }\n\n let duration = !Number.isFinite(this.duration) ? 0 : this.duration;\n\n return this.programDateTime + (duration * 1000);\n }\n\n get encrypted () {\n return !!((this.decryptdata && this.decryptdata.uri !== null) && (this.decryptdata.key === null));\n }\n\n /**\n * @param {ElementaryStreamTypes} type\n */\n addElementaryStream (type: ElementaryStreamTypes) {\n this._elementaryStreams[type] = true;\n }\n\n /**\n * @param {ElementaryStreamTypes} type\n */\n hasElementaryStream (type: ElementaryStreamTypes) {\n return this._elementaryStreams[type] === true;\n }\n\n /**\n * Utility method for parseLevelPlaylist to create an initialization vector for a given segment\n * @param {number} segmentNumber - segment number to generate IV with\n * @returns {Uint8Array}\n */\n createInitializationVector (segmentNumber: number): Uint8Array {\n let uint8View = new Uint8Array(16);\n\n for (let i = 12; i < 16; i++) {\n uint8View[i] = (segmentNumber >> 8 * (15 - i)) & 0xff;\n }\n\n return uint8View;\n }\n\n /**\n * Utility method for parseLevelPlaylist to get a fragment's decryption data from the currently parsed encryption key data\n * @param levelkey - a playlist's encryption info\n * @param segmentNumber - the fragment's segment number\n * @returns {LevelKey} - an object to be applied as a fragment's decryptdata\n */\n setDecryptDataFromLevelKey (levelkey: LevelKey, segmentNumber: number): LevelKey {\n let decryptdata = levelkey;\n\n if (levelkey && levelkey.method && levelkey.uri && !levelkey.iv) {\n decryptdata = new LevelKey(levelkey.baseuri, levelkey.reluri);\n decryptdata.method = levelkey.method;\n decryptdata.iv = this.createInitializationVector(segmentNumber);\n }\n\n return decryptdata;\n }\n}\n","export default class Level {\n constructor (baseUrl) {\n // Please keep properties in alphabetical order\n this.endCC = 0;\n this.endSN = 0;\n this.fragments = [];\n this.initSegment = null;\n this.live = true;\n this.needSidxRanges = false;\n this.startCC = 0;\n this.startSN = 0;\n this.startTimeOffset = null;\n this.targetduration = 0;\n this.totalduration = 0;\n this.type = null;\n this.url = baseUrl;\n this.version = null;\n }\n\n get hasProgramDateTime () {\n return !!(this.fragments[0] && Number.isFinite(this.fragments[0].programDateTime));\n }\n}\n","const DECIMAL_RESOLUTION_REGEX = /^(\\d+)x(\\d+)$/; // eslint-disable-line no-useless-escape\nconst ATTR_LIST_REGEX = /\\s*(.+?)\\s*=((?:\\\".*?\\\")|.*?)(?:,|$)/g; // eslint-disable-line no-useless-escape\n\n// adapted from https://github.com/kanongil/node-m3u8parse/blob/master/attrlist.js\nclass AttrList {\n constructor (attrs) {\n if (typeof attrs === 'string') {\n attrs = AttrList.parseAttrList(attrs);\n }\n\n for (let attr in attrs) {\n if (attrs.hasOwnProperty(attr)) {\n this[attr] = attrs[attr];\n }\n }\n }\n\n decimalInteger (attrName) {\n const intValue = parseInt(this[attrName], 10);\n if (intValue > Number.MAX_SAFE_INTEGER) {\n return Infinity;\n }\n\n return intValue;\n }\n\n hexadecimalInteger (attrName) {\n if (this[attrName]) {\n let stringValue = (this[attrName] || '0x').slice(2);\n stringValue = ((stringValue.length & 1) ? '0' : '') + stringValue;\n\n const value = new Uint8Array(stringValue.length / 2);\n for (let i = 0; i < stringValue.length / 2; i++) {\n value[i] = parseInt(stringValue.slice(i * 2, i * 2 + 2), 16);\n }\n\n return value;\n } else {\n return null;\n }\n }\n\n hexadecimalIntegerAsNumber (attrName) {\n const intValue = parseInt(this[attrName], 16);\n if (intValue > Number.MAX_SAFE_INTEGER) {\n return Infinity;\n }\n\n return intValue;\n }\n\n decimalFloatingPoint (attrName) {\n return parseFloat(this[attrName]);\n }\n\n enumeratedString (attrName) {\n return this[attrName];\n }\n\n decimalResolution (attrName) {\n const res = DECIMAL_RESOLUTION_REGEX.exec(this[attrName]);\n if (res === null) {\n return undefined;\n }\n\n return {\n width: parseInt(res[1], 10),\n height: parseInt(res[2], 10)\n };\n }\n\n static parseAttrList (input) {\n let match, attrs = {};\n ATTR_LIST_REGEX.lastIndex = 0;\n while ((match = ATTR_LIST_REGEX.exec(input)) !== null) {\n let value = match[2], quote = '\"';\n\n if (value.indexOf(quote) === 0 &&\n value.lastIndexOf(quote) === (value.length - 1)) {\n value = value.slice(1, -1);\n }\n\n attrs[match[1]] = value;\n }\n return attrs;\n }\n}\n\nexport default AttrList;\n","// from http://mp4ra.org/codecs.html\nconst sampleEntryCodesISO = {\n audio: {\n 'a3ds': true,\n 'ac-3': true,\n 'ac-4': true,\n 'alac': true,\n 'alaw': true,\n 'dra1': true,\n 'dts+': true,\n 'dts-': true,\n 'dtsc': true,\n 'dtse': true,\n 'dtsh': true,\n 'ec-3': true,\n 'enca': true,\n 'g719': true,\n 'g726': true,\n 'm4ae': true,\n 'mha1': true,\n 'mha2': true,\n 'mhm1': true,\n 'mhm2': true,\n 'mlpa': true,\n 'mp4a': true,\n 'raw ': true,\n 'Opus': true,\n 'samr': true,\n 'sawb': true,\n 'sawp': true,\n 'sevc': true,\n 'sqcp': true,\n 'ssmv': true,\n 'twos': true,\n 'ulaw': true\n },\n video: {\n 'avc1': true,\n 'avc2': true,\n 'avc3': true,\n 'avc4': true,\n 'avcp': true,\n 'drac': true,\n 'dvav': true,\n 'dvhe': true,\n 'encv': true,\n 'hev1': true,\n 'hvc1': true,\n 'mjp2': true,\n 'mp4v': true,\n 'mvc1': true,\n 'mvc2': true,\n 'mvc3': true,\n 'mvc4': true,\n 'resv': true,\n 'rv60': true,\n 's263': true,\n 'svc1': true,\n 'svc2': true,\n 'vc-1': true,\n 'vp08': true,\n 'vp09': true\n }\n};\n\nexport type CodecType = 'audio' | 'video';\n\nfunction isCodecType (codec: string, type: CodecType): boolean {\n const typeCodes = sampleEntryCodesISO[type];\n return !!typeCodes && typeCodes[codec.slice(0, 4)] === true;\n}\n\nfunction isCodecSupportedInMp4 (codec: string, type: CodecType): boolean {\n return MediaSource.isTypeSupported(`${type || 'video'}/mp4;codecs=\"${codec}\"`);\n}\n\nexport { isCodecType, isCodecSupportedInMp4 };\n","import * as URLToolkit from 'url-toolkit';\n\nimport Fragment from './fragment';\nimport Level from './level';\nimport LevelKey from './level-key';\n\nimport AttrList from '../utils/attr-list';\nimport { logger } from '../utils/logger';\nimport { isCodecType, CodecType } from '../utils/codecs';\nimport { MediaPlaylist, AudioGroup, MediaPlaylistType } from '../types/media-playlist';\nimport { PlaylistLevelType } from '../types/loader';\n\n/**\n * M3U8 parser\n * @module\n */\n\n// https://regex101.com is your friend\nconst MASTER_PLAYLIST_REGEX = /#EXT-X-STREAM-INF:([^\\n\\r]*)[\\r\\n]+([^\\r\\n]+)/g;\nconst MASTER_PLAYLIST_MEDIA_REGEX = /#EXT-X-MEDIA:(.*)/g;\n\nconst LEVEL_PLAYLIST_REGEX_FAST = new RegExp([\n /#EXTINF:\\s*(\\d*(?:\\.\\d+)?)(?:,(.*)\\s+)?/.source, // duration (#EXTINF:<duration>,<title>), group 1 => duration, group 2 => title\n /|(?!#)([\\S+ ?]+)/.source, // segment URI, group 3 => the URI (note newline is not eaten)\n /|#EXT-X-BYTERANGE:*(.+)/.source, // next segment's byterange, group 4 => range spec (x@y)\n /|#EXT-X-PROGRAM-DATE-TIME:(.+)/.source, // next segment's program date/time group 5 => the datetime spec\n /|#.*/.source // All other non-segment oriented tags will match with all groups empty\n].join(''), 'g');\n\nconst LEVEL_PLAYLIST_REGEX_SLOW = /(?:(?:#(EXTM3U))|(?:#EXT-X-(PLAYLIST-TYPE):(.+))|(?:#EXT-X-(MEDIA-SEQUENCE): *(\\d+))|(?:#EXT-X-(TARGETDURATION): *(\\d+))|(?:#EXT-X-(KEY):(.+))|(?:#EXT-X-(START):(.+))|(?:#EXT-X-(ENDLIST))|(?:#EXT-X-(DISCONTINUITY-SEQ)UENCE:(\\d+))|(?:#EXT-X-(DIS)CONTINUITY))|(?:#EXT-X-(VERSION):(\\d+))|(?:#EXT-X-(MAP):(.+))|(?:(#)([^:]*):(.*))|(?:(#)(.*))(?:.*)\\r?\\n?/;\n\nconst MP4_REGEX_SUFFIX = /\\.(mp4|m4s|m4v|m4a)$/i;\n\nexport default class M3U8Parser {\n static findGroup (groups: Array<AudioGroup>, mediaGroupId: string): AudioGroup | undefined {\n for (let i = 0; i < groups.length; i++) {\n const group = groups[i];\n if (group.id === mediaGroupId) {\n return group;\n }\n }\n }\n\n static convertAVC1ToAVCOTI (codec) {\n let avcdata = codec.split('.');\n let result;\n if (avcdata.length > 2) {\n result = avcdata.shift() + '.';\n result += parseInt(avcdata.shift()).toString(16);\n result += ('000' + parseInt(avcdata.shift()).toString(16)).substr(-4);\n } else {\n result = codec;\n }\n return result;\n }\n\n static resolve (url, baseUrl) {\n return URLToolkit.buildAbsoluteURL(baseUrl, url, { alwaysNormalize: true });\n }\n\n static parseMasterPlaylist (string: string, baseurl: string) {\n // TODO(typescript-level)\n let levels: Array<any> = [];\n MASTER_PLAYLIST_REGEX.lastIndex = 0;\n\n // TODO(typescript-level)\n function setCodecs (codecs: Array<string>, level: any) {\n ['video', 'audio'].forEach((type: CodecType) => {\n const filtered = codecs.filter((codec) => isCodecType(codec, type));\n if (filtered.length) {\n const preferred = filtered.filter((codec) => {\n return codec.lastIndexOf('avc1', 0) === 0 || codec.lastIndexOf('mp4a', 0) === 0;\n });\n level[`${type}Codec`] = preferred.length > 0 ? preferred[0] : filtered[0];\n\n // remove from list\n codecs = codecs.filter((codec) => filtered.indexOf(codec) === -1);\n }\n });\n\n level.unknownCodecs = codecs;\n }\n\n let result: RegExpExecArray | null;\n while ((result = MASTER_PLAYLIST_REGEX.exec(string)) != null) {\n // TODO(typescript-level)\n const level: any = {};\n\n const attrs = level.attrs = new AttrList(result[1]);\n level.url = M3U8Parser.resolve(result[2], baseurl);\n\n const resolution = attrs.decimalResolution('RESOLUTION');\n if (resolution) {\n level.width = resolution.width;\n level.height = resolution.height;\n }\n level.bitrate = attrs.decimalInteger('AVERAGE-BANDWIDTH') || attrs.decimalInteger('BANDWIDTH');\n level.name = attrs.NAME;\n\n setCodecs([].concat((attrs.CODECS || '').split(/[ ,]+/)), level);\n\n if (level.videoCodec && level.videoCodec.indexOf('avc1') !== -1) {\n level.videoCodec = M3U8Parser.convertAVC1ToAVCOTI(level.videoCodec);\n }\n\n levels.push(level);\n }\n return levels;\n }\n\n static parseMasterPlaylistMedia (string: string, baseurl: string, type: MediaPlaylistType, audioGroups: Array<AudioGroup> = []): Array<MediaPlaylist> {\n let result: RegExpExecArray | null;\n let medias: Array<MediaPlaylist> = [];\n let id = 0;\n MASTER_PLAYLIST_MEDIA_REGEX.lastIndex = 0;\n while ((result = MASTER_PLAYLIST_MEDIA_REGEX.exec(string)) !== null) {\n const attrs = new AttrList(result[1]);\n if (attrs.TYPE === type) {\n const media: MediaPlaylist = {\n id: id++,\n groupId: attrs['GROUP-ID'],\n name: attrs.NAME || attrs.LANGUAGE,\n type,\n default: (attrs.DEFAULT === 'YES'),\n autoselect: (attrs.AUTOSELECT === 'YES'),\n forced: (attrs.FORCED === 'YES'),\n lang: attrs.LANGUAGE\n };\n\n if (attrs.URI) {\n media.url = M3U8Parser.resolve(attrs.URI, baseurl);\n }\n\n if (audioGroups.length) {\n // If there are audio groups signalled in the manifest, let's look for a matching codec string for this track\n const groupCodec = M3U8Parser.findGroup(audioGroups, media.groupId as string);\n\n // If we don't find the track signalled, lets use the first audio groups codec we have\n // Acting as a best guess\n media.audioCodec = groupCodec ? groupCodec.codec : audioGroups[0].codec;\n }\n\n medias.push(media);\n }\n }\n return medias;\n }\n\n static parseLevelPlaylist (string: string, baseurl: string, id: number, type: PlaylistLevelType, levelUrlId: number) {\n let currentSN = 0;\n let totalduration = 0;\n let level = new Level(baseurl);\n let discontinuityCounter = 0;\n let prevFrag: Fragment | null = null;\n let frag: Fragment | null = new Fragment();\n let result: RegExpExecArray | RegExpMatchArray | null;\n let i: number;\n let levelkey: LevelKey | undefined;\n\n let firstPdtIndex = null;\n\n LEVEL_PLAYLIST_REGEX_FAST.lastIndex = 0;\n\n while ((result = LEVEL_PLAYLIST_REGEX_FAST.exec(string)) !== null) {\n const duration = result[1];\n if (duration) { // INF\n frag.duration = parseFloat(duration);\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n const title = (' ' + result[2]).slice(1);\n frag.title = title || null;\n frag.tagList.push(title ? [ 'INF', duration, title ] : [ 'INF', duration ]);\n } else if (result[3]) { // url\n if (Number.isFinite(frag.duration)) {\n const sn = currentSN++;\n frag.type = type;\n frag.start = totalduration;\n if (levelkey) {\n frag.levelkey = levelkey;\n }\n frag.sn = sn;\n frag.level = id;\n frag.cc = discontinuityCounter;\n frag.urlId = levelUrlId;\n frag.baseurl = baseurl;\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n frag.relurl = (' ' + result[3]).slice(1);\n assignProgramDateTime(frag, prevFrag);\n\n level.fragments.push(frag);\n prevFrag = frag;\n totalduration += frag.duration;\n\n frag = new Fragment();\n }\n } else if (result[4]) { // X-BYTERANGE\n const data = (' ' + result[4]).slice(1);\n if (prevFrag) {\n frag.setByteRange(data, prevFrag);\n } else {\n frag.setByteRange(data);\n }\n } else if (result[5]) { // PROGRAM-DATE-TIME\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n frag.rawProgramDateTime = (' ' + result[5]).slice(1);\n frag.tagList.push(['PROGRAM-DATE-TIME', frag.rawProgramDateTime]);\n if (firstPdtIndex === null) {\n firstPdtIndex = level.fragments.length;\n }\n } else {\n result = result[0].match(LEVEL_PLAYLIST_REGEX_SLOW);\n if (!result) {\n logger.warn('No matches on slow regex match for level playlist!');\n continue;\n }\n for (i = 1; i < result.length; i++) {\n if (typeof result[i] !== 'undefined') {\n break;\n }\n }\n\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n const value1 = (' ' + result[i + 1]).slice(1);\n const value2 = (' ' + result[i + 2]).slice(1);\n\n switch (result[i]) {\n case '#':\n frag.tagList.push(value2 ? [ value1, value2 ] : [ value1 ]);\n break;\n case 'PLAYLIST-TYPE':\n level.type = value1.toUpperCase();\n break;\n case 'MEDIA-SEQUENCE':\n currentSN = level.startSN = parseInt(value1);\n break;\n case 'TARGETDURATION':\n level.targetduration = parseFloat(value1);\n break;\n case 'VERSION':\n level.version = parseInt(value1);\n break;\n case 'EXTM3U':\n break;\n case 'ENDLIST':\n level.live = false;\n break;\n case 'DIS':\n discontinuityCounter++;\n frag.tagList.push(['DIS']);\n break;\n case 'DISCONTINUITY-SEQ':\n discontinuityCounter = parseInt(value1);\n break;\n case 'KEY': {\n // https://tools.ietf.org/html/draft-pantos-http-live-streaming-08#section-3.4.4\n const decryptparams = value1;\n const keyAttrs = new AttrList(decryptparams);\n const decryptmethod = keyAttrs.enumeratedString('METHOD');\n const decrypturi = keyAttrs.URI;\n const decryptiv = keyAttrs.hexadecimalInteger('IV');\n\n if (decryptmethod) {\n levelkey = new LevelKey(baseurl, decrypturi);\n if ((decrypturi) && (['AES-128', 'SAMPLE-AES', 'SAMPLE-AES-CENC'].indexOf(decryptmethod) >= 0)) {\n levelkey.method = decryptmethod;\n levelkey.key = null;\n // Initialization Vector (IV)\n levelkey.iv = decryptiv;\n }\n }\n break;\n }\n case 'START': {\n const startAttrs = new AttrList(value1);\n const startTimeOffset = startAttrs.decimalFloatingPoint('TIME-OFFSET');\n // TIME-OFFSET can be 0\n if (Number.isFinite(startTimeOffset)) {\n level.startTimeOffset = startTimeOffset;\n }\n break;\n }\n case 'MAP': {\n const mapAttrs = new AttrList(value1);\n frag.relurl = mapAttrs.URI;\n if (mapAttrs.BYTERANGE) {\n frag.setByteRange(mapAttrs.BYTERANGE);\n }\n frag.baseurl = baseurl;\n frag.level = id;\n frag.type = type;\n frag.sn = 'initSegment';\n level.initSegment = frag;\n frag = new Fragment();\n frag.rawProgramDateTime = level.initSegment.rawProgramDateTime;\n break;\n }\n default:\n logger.warn(`line parsed but not handled: ${result}`);\n break;\n }\n }\n }\n frag = prevFrag;\n // logger.log('found ' + level.fragments.length + ' fragments');\n if (frag && !frag.relurl) {\n level.fragments.pop();\n totalduration -= frag.duration;\n }\n level.totalduration = totalduration;\n level.averagetargetduration = totalduration / level.fragments.length;\n level.endSN = currentSN - 1;\n level.startCC = level.fragments[0] ? level.fragments[0].cc : 0;\n level.endCC = discontinuityCounter;\n\n if (!level.initSegment && level.fragments.length) {\n // this is a bit lurky but HLS really has no other way to tell us\n // if the fragments are TS or MP4, except if we download them :/\n // but this is to be able to handle SIDX.\n if (level.fragments.every((frag) => MP4_REGEX_SUFFIX.test(frag.relurl))) {\n logger.warn('MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX');\n\n frag = new Fragment();\n frag.relurl = level.fragments[0].relurl;\n frag.baseurl = baseurl;\n frag.level = id;\n frag.type = type;\n frag.sn = 'initSegment';\n\n level.initSegment = frag;\n level.needSidxRanges = true;\n }\n }\n\n /**\n * Backfill any missing PDT values\n \"If the first EXT-X-PROGRAM-DATE-TIME tag in a Playlist appears after\n one or more Media Segment URIs, the client SHOULD extrapolate\n backward from that tag (using EXTINF durations and/or media\n timestamps) to associate dates with those segments.\"\n * We have already extrapolated forward, but all fragments up to the first instance of PDT do not have their PDTs\n * computed.\n */\n if (firstPdtIndex) {\n backfillProgramDateTimes(level.fragments, firstPdtIndex);\n }\n\n return level;\n }\n}\n\nfunction backfillProgramDateTimes (fragments, startIndex) {\n let fragPrev = fragments[startIndex];\n for (let i = startIndex - 1; i >= 0; i--) {\n const frag = fragments[i];\n frag.programDateTime = fragPrev.programDateTime - (frag.duration * 1000);\n fragPrev = frag;\n }\n}\n\nfunction assignProgramDateTime (frag, prevFrag) {\n if (frag.rawProgramDateTime) {\n frag.programDateTime = Date.parse(frag.rawProgramDateTime);\n } else if (prevFrag && prevFrag.programDateTime) {\n frag.programDateTime = prevFrag.endProgramDateTime;\n }\n\n if (!Number.isFinite(frag.programDateTime)) {\n frag.programDateTime = null;\n frag.rawProgramDateTime = null;\n }\n}\n","/**\n * PlaylistLoader - delegate for media manifest/playlist loading tasks. Takes care of parsing media to internal data-models.\n *\n * Once loaded, dispatches events with parsed data-models of manifest/levels/audio/subtitle tracks.\n *\n * Uses loader(s) set in config to do actual internal loading of resource tasks.\n *\n * @module\n *\n */\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport { Loader, PlaylistContextType, PlaylistLoaderContext, PlaylistLevelType, LoaderCallbacks, LoaderResponse, LoaderStats, LoaderConfiguration } from '../types/loader';\nimport MP4Demuxer from '../demux/mp4demuxer';\nimport M3U8Parser from './m3u8-parser';\nimport { AudioGroup } from '../types/media-playlist';\n\nconst { performance } = window;\n\n/**\n * @constructor\n */\nclass PlaylistLoader extends EventHandler {\n private loaders: Partial<Record<PlaylistContextType, Loader<PlaylistLoaderContext>>> = {};\n\n /**\n * @constructs\n * @param {Hls} hls\n */\n constructor (hls) {\n super(hls,\n Event.MANIFEST_LOADING,\n Event.LEVEL_LOADING,\n Event.AUDIO_TRACK_LOADING,\n Event.SUBTITLE_TRACK_LOADING);\n }\n\n /**\n * @param {PlaylistContextType} type\n * @returns {boolean}\n */\n static canHaveQualityLevels (type: PlaylistContextType): boolean {\n return (type !== PlaylistContextType.AUDIO_TRACK &&\n type !== PlaylistContextType.SUBTITLE_TRACK);\n }\n\n /**\n * Map context.type to LevelType\n * @param {PlaylistLoaderContext} context\n * @returns {LevelType}\n */\n static mapContextToLevelType (context: PlaylistLoaderContext): PlaylistLevelType {\n const { type } = context;\n\n switch (type) {\n case PlaylistContextType.AUDIO_TRACK:\n return PlaylistLevelType.AUDIO;\n case PlaylistContextType.SUBTITLE_TRACK:\n return PlaylistLevelType.SUBTITLE;\n default:\n return PlaylistLevelType.MAIN;\n }\n }\n\n static getResponseUrl (response: LoaderResponse, context: PlaylistLoaderContext): string {\n let url = response.url;\n // responseURL not supported on some browsers (it is used to detect URL redirection)\n // data-uri mode also not supported (but no need to detect redirection)\n if (url === undefined || url.indexOf('data:') === 0) {\n // fallback to initial URL\n url = context.url;\n }\n return url;\n }\n\n /**\n * Returns defaults or configured loader-type overloads (pLoader and loader config params)\n * Default loader is XHRLoader (see utils)\n * @param {PlaylistLoaderContext} context\n * @returns {Loader} or other compatible configured overload\n */\n createInternalLoader (context: PlaylistLoaderContext): Loader<PlaylistLoaderContext> {\n const config = this.hls.config;\n const PLoader = config.pLoader;\n const Loader = config.loader;\n // TODO(typescript-config): Verify once config is typed that InternalLoader always returns a Loader\n const InternalLoader = PLoader || Loader;\n\n const loader = new InternalLoader(config);\n\n // TODO - Do we really need to assign the instance or if the dep has been lost\n context.loader = loader;\n this.loaders[context.type] = loader;\n\n return loader;\n }\n\n getInternalLoader (context: PlaylistLoaderContext): Loader<PlaylistLoaderContext> | undefined {\n return this.loaders[context.type];\n }\n\n resetInternalLoader (contextType: PlaylistContextType) {\n if (this.loaders[contextType]) {\n delete this.loaders[contextType];\n }\n }\n\n /**\n * Call `destroy` on all internal loader instances mapped (one per context type)\n */\n destroyInternalLoaders () {\n for (let contextType in this.loaders) {\n let loader = this.loaders[contextType];\n if (loader) {\n loader.destroy();\n }\n\n this.resetInternalLoader(contextType as PlaylistContextType);\n }\n }\n\n destroy () {\n this.destroyInternalLoaders();\n\n super.destroy();\n }\n\n onManifestLoading (data: { url: string; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.MANIFEST,\n level: 0,\n id: null,\n responseType: 'text'\n });\n }\n\n onLevelLoading (data: { url: string; level: number | null; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.LEVEL,\n level: data.level,\n id: data.id,\n responseType: 'text'\n });\n }\n\n onAudioTrackLoading (data: { url: string; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.AUDIO_TRACK,\n level: null,\n id: data.id,\n responseType: 'text'\n });\n }\n\n onSubtitleTrackLoading (data: { url: string; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.SUBTITLE_TRACK,\n level: null,\n id: data.id,\n responseType: 'text'\n });\n }\n\n load (context: PlaylistLoaderContext): boolean {\n const config = this.hls.config;\n\n logger.debug(`Loading playlist of type ${context.type}, level: ${context.level}, id: ${context.id}`);\n\n // Check if a loader for this context already exists\n let loader = this.getInternalLoader(context);\n if (loader) {\n const loaderContext = loader.context;\n if (loaderContext && loaderContext.url === context.url) { // same URL can't overlap\n logger.trace('playlist request ongoing');\n return false;\n } else {\n logger.warn(`aborting previous loader for type: ${context.type}`);\n loader.abort();\n }\n }\n\n let maxRetry: number;\n let timeout: number;\n let retryDelay: number;\n let maxRetryDelay: number;\n\n // apply different configs for retries depending on\n // context (manifest, level, audio/subs playlist)\n switch (context.type) {\n case PlaylistContextType.MANIFEST:\n maxRetry = config.manifestLoadingMaxRetry;\n timeout = config.manifestLoadingTimeOut;\n retryDelay = config.manifestLoadingRetryDelay;\n maxRetryDelay = config.manifestLoadingMaxRetryTimeout;\n break;\n case PlaylistContextType.LEVEL:\n // Disable internal loader retry logic, since we are managing retries in Level Controller\n maxRetry = 0;\n maxRetryDelay = 0;\n retryDelay = 0;\n timeout = config.levelLoadingTimeOut;\n // TODO Introduce retry settings for audio-track and subtitle-track, it should not use level retry config\n break;\n default:\n maxRetry = config.levelLoadingMaxRetry;\n timeout = config.levelLoadingTimeOut;\n retryDelay = config.levelLoadingRetryDelay;\n maxRetryDelay = config.levelLoadingMaxRetryTimeout;\n break;\n }\n\n loader = this.createInternalLoader(context);\n\n const loaderConfig: LoaderConfiguration = {\n timeout,\n maxRetry,\n retryDelay,\n maxRetryDelay\n };\n\n const loaderCallbacks: LoaderCallbacks<PlaylistLoaderContext> = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this)\n };\n\n logger.debug(`Calling internal loader delegate for URL: ${context.url}`);\n loader.load(context, loaderConfig, loaderCallbacks);\n\n return true;\n }\n\n loadsuccess (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown = null) {\n if (context.isSidxRequest) {\n this._handleSidxRequest(response, context);\n this._handlePlaylistLoaded(response, stats, context, networkDetails);\n return;\n }\n\n this.resetInternalLoader(context.type);\n if (typeof response.data !== 'string') {\n throw new Error('expected responseType of \"text\" for PlaylistLoader');\n }\n\n const string = response.data;\n\n stats.tload = performance.now();\n // stats.mtime = new Date(target.getResponseHeader('Last-Modified'));\n\n // Validate if it is an M3U8 at all\n if (string.indexOf('#EXTM3U') !== 0) {\n this._handleManifestParsingError(response, context, 'no EXTM3U delimiter', networkDetails);\n return;\n }\n\n // Check if chunk-list or master. handle empty chunk list case (first EXTINF not signaled, but TARGETDURATION present)\n if (string.indexOf('#EXTINF:') > 0 || string.indexOf('#EXT-X-TARGETDURATION:') > 0) {\n this._handleTrackOrLevelPlaylist(response, stats, context, networkDetails);\n } else {\n this._handleMasterPlaylist(response, stats, context, networkDetails);\n }\n }\n\n loaderror (response: LoaderResponse, context: PlaylistLoaderContext, networkDetails = null) {\n this._handleNetworkError(context, networkDetails, false, response);\n }\n\n loadtimeout (stats: LoaderStats, context: PlaylistLoaderContext, networkDetails = null) {\n this._handleNetworkError(context, networkDetails, true);\n }\n\n // TODO(typescript-config): networkDetails can currently be a XHR or Fetch impl,\n // but with custom loaders it could be generic investigate this further when config is typed\n _handleMasterPlaylist (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const hls = this.hls;\n const string = response.data as string;\n\n const url = PlaylistLoader.getResponseUrl(response, context);\n const levels = M3U8Parser.parseMasterPlaylist(string, url);\n if (!levels.length) {\n this._handleManifestParsingError(response, context, 'no level found in manifest', networkDetails);\n return;\n }\n\n // multi level playlist, parse level info\n const audioGroups: Array<AudioGroup> = levels.map(level => ({\n id: level.attrs.AUDIO,\n codec: level.audioCodec\n }));\n\n const audioTracks = M3U8Parser.parseMasterPlaylistMedia(string, url, 'AUDIO', audioGroups);\n const subtitles = M3U8Parser.parseMasterPlaylistMedia(string, url, 'SUBTITLES');\n\n if (audioTracks.length) {\n // check if we have found an audio track embedded in main playlist (audio track without URI attribute)\n let embeddedAudioFound = false;\n audioTracks.forEach(audioTrack => {\n if (!audioTrack.url) {\n embeddedAudioFound = true;\n }\n });\n\n // if no embedded audio track defined, but audio codec signaled in quality level,\n // we need to signal this main audio track this could happen with playlists with\n // alt audio rendition in which quality levels (main)\n // contains both audio+video. but with mixed audio track not signaled\n if (embeddedAudioFound === false && levels[0].audioCodec && !levels[0].attrs.AUDIO) {\n logger.log('audio codec signaled in quality level, but no embedded audio track signaled, create one');\n audioTracks.unshift({\n type: 'main',\n name: 'main',\n default: false,\n autoselect: false,\n forced: false,\n id: -1\n });\n }\n }\n\n hls.trigger(Event.MANIFEST_LOADED, {\n levels,\n audioTracks,\n subtitles,\n url,\n stats,\n networkDetails\n });\n }\n\n _handleTrackOrLevelPlaylist (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const hls = this.hls;\n\n const { id, level, type } = context;\n\n const url = PlaylistLoader.getResponseUrl(response, context);\n\n // if the values are null, they will result in the else conditional\n const levelUrlId = Number.isFinite(id as number) ? id as number : 0;\n const levelId = Number.isFinite(level as number) ? level as number : levelUrlId;\n\n const levelType = PlaylistLoader.mapContextToLevelType(context);\n const levelDetails = M3U8Parser.parseLevelPlaylist(response.data as string, url, levelId, levelType, levelUrlId);\n\n // set stats on level structure\n // TODO(jstackhouse): why? mixing concerns, is it just treated as value bag?\n (levelDetails as any).tload = stats.tload;\n\n // We have done our first request (Manifest-type) and receive\n // not a master playlist but a chunk-list (track/level)\n // We fire the manifest-loaded event anyway with the parsed level-details\n // by creating a single-level structure for it.\n if (type === PlaylistContextType.MANIFEST) {\n const singleLevel = {\n url,\n details: levelDetails\n };\n\n hls.trigger(Event.MANIFEST_LOADED, {\n levels: [singleLevel],\n audioTracks: [],\n url,\n stats,\n networkDetails\n });\n }\n\n // save parsing time\n stats.tparsed = performance.now();\n\n // in case we need SIDX ranges\n // return early after calling load for\n // the SIDX box.\n if (levelDetails.needSidxRanges) {\n const sidxUrl = levelDetails.initSegment.url;\n this.load({\n url: sidxUrl,\n isSidxRequest: true,\n type,\n level,\n levelDetails,\n id,\n rangeStart: 0,\n rangeEnd: 2048,\n responseType: 'arraybuffer'\n });\n return;\n }\n\n // extend the context with the new levelDetails property\n context.levelDetails = levelDetails;\n\n this._handlePlaylistLoaded(response, stats, context, networkDetails);\n }\n\n _handleSidxRequest (response: LoaderResponse, context: PlaylistLoaderContext) {\n if (typeof response.data === 'string') {\n throw new Error('sidx request must be made with responseType of array buffer');\n }\n\n const sidxInfo = MP4Demuxer.parseSegmentIndex(new Uint8Array(response.data));\n // if provided fragment does not contain sidx, early return\n if (!sidxInfo) {\n return;\n }\n const sidxReferences = sidxInfo.references;\n const levelDetails = context.levelDetails;\n sidxReferences.forEach((segmentRef, index) => {\n const segRefInfo = segmentRef.info;\n if (!levelDetails) {\n return;\n }\n const frag = levelDetails.fragments[index];\n if (frag.byteRange.length === 0) {\n frag.setByteRange(String(1 + segRefInfo.end - segRefInfo.start) + '@' + String(segRefInfo.start));\n }\n });\n\n if (levelDetails) {\n levelDetails.initSegment.setByteRange(String(sidxInfo.moovEndOffset) + '@0');\n }\n }\n\n _handleManifestParsingError (response: LoaderResponse, context: PlaylistLoaderContext, reason: string, networkDetails: unknown) {\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.NETWORK_ERROR,\n details: ErrorDetails.MANIFEST_PARSING_ERROR,\n fatal: true,\n url: response.url,\n reason,\n networkDetails\n });\n }\n\n _handleNetworkError (context: PlaylistLoaderContext, networkDetails: unknown, timeout: boolean = false, response: LoaderResponse | null = null) {\n logger.info(`A network error occured while loading a ${context.type}-type playlist`);\n\n let details;\n let fatal;\n\n const loader = this.getInternalLoader(context);\n\n switch (context.type) {\n case PlaylistContextType.MANIFEST:\n details = (timeout ? ErrorDetails.MANIFEST_LOAD_TIMEOUT : ErrorDetails.MANIFEST_LOAD_ERROR);\n fatal = true;\n break;\n case PlaylistContextType.LEVEL:\n details = (timeout ? ErrorDetails.LEVEL_LOAD_TIMEOUT : ErrorDetails.LEVEL_LOAD_ERROR);\n fatal = false;\n break;\n case PlaylistContextType.AUDIO_TRACK:\n details = (timeout ? ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT : ErrorDetails.AUDIO_TRACK_LOAD_ERROR);\n fatal = false;\n break;\n default:\n // details = ...?\n fatal = false;\n }\n\n if (loader) {\n loader.abort();\n this.resetInternalLoader(context.type);\n }\n\n // TODO(typescript-events): when error events are handled, type this\n let errorData: any = {\n type: ErrorTypes.NETWORK_ERROR,\n details,\n fatal,\n url: context.url,\n loader,\n context,\n networkDetails\n };\n\n if (response) {\n errorData.response = response;\n }\n\n this.hls.trigger(Event.ERROR, errorData);\n }\n\n _handlePlaylistLoaded (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const { type, level, id, levelDetails } = context;\n\n if (!levelDetails || !levelDetails.targetduration) {\n this._handleManifestParsingError(response, context, 'invalid target duration', networkDetails);\n return;\n }\n\n const canHaveLevels = PlaylistLoader.canHaveQualityLevels(context.type);\n if (canHaveLevels) {\n this.hls.trigger(Event.LEVEL_LOADED, {\n details: levelDetails,\n level: level || 0,\n id: id || 0,\n stats,\n networkDetails\n });\n } else {\n switch (type) {\n case PlaylistContextType.AUDIO_TRACK:\n this.hls.trigger(Event.AUDIO_TRACK_LOADED, {\n details: levelDetails,\n id,\n stats,\n networkDetails\n });\n break;\n case PlaylistContextType.SUBTITLE_TRACK:\n this.hls.trigger(Event.SUBTITLE_TRACK_LOADED, {\n details: levelDetails,\n id,\n stats,\n networkDetails\n });\n break;\n }\n }\n }\n}\n\nexport default PlaylistLoader;\n","/*\n * Fragment Loader\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\n\nclass FragmentLoader extends EventHandler {\n constructor (hls) {\n super(hls, Event.FRAG_LOADING);\n this.loaders = {};\n }\n\n destroy () {\n let loaders = this.loaders;\n for (let loaderName in loaders) {\n let loader = loaders[loaderName];\n if (loader) {\n loader.destroy();\n }\n }\n this.loaders = {};\n\n super.destroy();\n }\n\n onFragLoading (data) {\n const frag = data.frag,\n type = frag.type,\n loaders = this.loaders,\n config = this.hls.config,\n FragmentILoader = config.fLoader,\n DefaultILoader = config.loader;\n\n // reset fragment state\n frag.loaded = 0;\n\n let loader = loaders[type];\n if (loader) {\n logger.warn(`abort previous fragment loader for type: ${type}`);\n loader.abort();\n }\n\n loader = loaders[type] = frag.loader =\n config.fLoader ? new FragmentILoader(config) : new DefaultILoader(config);\n\n let loaderContext, loaderConfig, loaderCallbacks;\n\n loaderContext = { url: frag.url, frag: frag, responseType: 'arraybuffer', progressData: false };\n\n let start = frag.byteRangeStartOffset,\n end = frag.byteRangeEndOffset;\n\n if (Number.isFinite(start) && Number.isFinite(end)) {\n loaderContext.rangeStart = start;\n loaderContext.rangeEnd = end;\n }\n\n loaderConfig = {\n timeout: config.fragLoadingTimeOut,\n maxRetry: 0,\n retryDelay: 0,\n maxRetryDelay: config.fragLoadingMaxRetryTimeout\n };\n\n loaderCallbacks = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this),\n onProgress: this.loadprogress.bind(this)\n };\n\n loader.load(loaderContext, loaderConfig, loaderCallbacks);\n }\n\n loadsuccess (response, stats, context, networkDetails = null) {\n let payload = response.data, frag = context.frag;\n // detach fragment loader on load success\n frag.loader = undefined;\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.FRAG_LOADED, { payload: payload, frag: frag, stats: stats, networkDetails: networkDetails });\n }\n\n loaderror (response, context, networkDetails = null) {\n const frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.FRAG_LOAD_ERROR, fatal: false, frag: context.frag, response: response, networkDetails: networkDetails });\n }\n\n loadtimeout (stats, context, networkDetails = null) {\n const frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.FRAG_LOAD_TIMEOUT, fatal: false, frag: context.frag, networkDetails: networkDetails });\n }\n\n // data will be used for progressive parsing\n loadprogress (stats, context, data, networkDetails = null) { // jshint ignore:line\n let frag = context.frag;\n frag.loaded = stats.loaded;\n this.hls.trigger(Event.FRAG_LOAD_PROGRESS, { frag: frag, stats: stats, networkDetails: networkDetails });\n }\n}\n\nexport default FragmentLoader;\n","/*\n * Decrypt key Loader\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport Hls from '../hls';\nimport Fragment from './fragment';\nimport { LoaderStats, LoaderResponse, LoaderContext, LoaderConfiguration, LoaderCallbacks } from '../types/loader';\n\ninterface OnKeyLoadingPayload {\n frag: Fragment\n}\n\ninterface KeyLoaderContext extends LoaderContext {\n frag: Fragment\n}\n\nclass KeyLoader extends EventHandler {\n public loaders = {};\n public decryptkey: Uint8Array | null = null;\n public decrypturl: string | null = null;\n\n constructor (hls: Hls) {\n super(hls, Event.KEY_LOADING);\n }\n\n destroy (): void {\n for (const loaderName in this.loaders) {\n let loader = this.loaders[loaderName];\n if (loader) {\n loader.destroy();\n }\n }\n this.loaders = {};\n\n super.destroy();\n }\n\n onKeyLoading (data: OnKeyLoadingPayload) {\n const { frag } = data;\n const type = frag.type;\n const loader = this.loaders[type];\n if (!frag.decryptdata) {\n logger.warn('Missing decryption data on fragment in onKeyLoading');\n return;\n }\n\n // Load the key if the uri is different from previous one, or if the decrypt key has not yet been retrieved\n const uri = frag.decryptdata.uri;\n if (uri !== this.decrypturl || this.decryptkey === null) {\n let config = this.hls.config;\n if (loader) {\n logger.warn(`abort previous key loader for type:${type}`);\n loader.abort();\n }\n if (!uri) {\n logger.warn('key uri is falsy');\n return;\n }\n\n frag.loader = this.loaders[type] = new config.loader(config);\n this.decrypturl = uri;\n this.decryptkey = null;\n\n const loaderContext: KeyLoaderContext = {\n url: uri,\n frag: frag,\n responseType: 'arraybuffer'\n };\n\n // maxRetry is 0 so that instead of retrying the same key on the same variant multiple times,\n // key-loader will trigger an error and rely on stream-controller to handle retry logic.\n // this will also align retry logic with fragment-loader\n const loaderConfig: LoaderConfiguration = {\n timeout: config.fragLoadingTimeOut,\n maxRetry: 0,\n retryDelay: config.fragLoadingRetryDelay,\n maxRetryDelay: config.fragLoadingMaxRetryTimeout\n };\n\n const loaderCallbacks: LoaderCallbacks<KeyLoaderContext> = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this)\n };\n\n frag.loader.load(loaderContext, loaderConfig, loaderCallbacks);\n } else if (this.decryptkey) {\n // Return the key if it's already been loaded\n frag.decryptdata.key = this.decryptkey;\n this.hls.trigger(Event.KEY_LOADED, { frag: frag });\n }\n }\n\n loadsuccess (response: LoaderResponse, stats: LoaderStats, context: KeyLoaderContext) {\n let frag = context.frag;\n if (!frag.decryptdata) {\n logger.error('after key load, decryptdata unset');\n return;\n }\n this.decryptkey = frag.decryptdata.key = new Uint8Array(response.data as ArrayBuffer);\n\n // detach fragment loader on load success\n frag.loader = undefined;\n delete this.loaders[frag.type];\n this.hls.trigger(Event.KEY_LOADED, { frag: frag });\n }\n\n loaderror (response: LoaderResponse, context: KeyLoaderContext) {\n let frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n delete this.loaders[frag.type];\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.KEY_LOAD_ERROR, fatal: false, frag, response });\n }\n\n loadtimeout (stats: LoaderStats, context: KeyLoaderContext) {\n let frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n delete this.loaders[frag.type];\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.KEY_LOAD_TIMEOUT, fatal: false, frag });\n }\n}\n\nexport default KeyLoader;\n","import EventHandler from '../event-handler';\nimport Event from '../events';\n\nexport const FragmentState = {\n NOT_LOADED: 'NOT_LOADED',\n APPENDING: 'APPENDING',\n PARTIAL: 'PARTIAL',\n OK: 'OK'\n};\n\nexport class FragmentTracker extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.BUFFER_APPENDED,\n Event.FRAG_BUFFERED,\n Event.FRAG_LOADED\n );\n\n this.bufferPadding = 0.2;\n\n this.fragments = Object.create(null);\n this.timeRanges = Object.create(null);\n\n this.config = hls.config;\n }\n\n destroy () {\n this.fragments = Object.create(null);\n this.timeRanges = Object.create(null);\n this.config = null;\n EventHandler.prototype.destroy.call(this);\n super.destroy();\n }\n\n /**\n * Return a Fragment that match the position and levelType.\n * If not found any Fragment, return null\n * @param {number} position\n * @param {LevelType} levelType\n * @returns {Fragment|null}\n */\n getBufferedFrag (position, levelType) {\n const fragments = this.fragments;\n const bufferedFrags = Object.keys(fragments).filter(key => {\n const fragmentEntity = fragments[key];\n if (fragmentEntity.body.type !== levelType) {\n return false;\n }\n\n if (!fragmentEntity.buffered) {\n return false;\n }\n\n const frag = fragmentEntity.body;\n return frag.startPTS <= position && position <= frag.endPTS;\n });\n if (bufferedFrags.length === 0) {\n return null;\n } else {\n // https://github.com/video-dev/hls.js/pull/1545#discussion_r166229566\n const bufferedFragKey = bufferedFrags.pop();\n return fragments[bufferedFragKey].body;\n }\n }\n\n /**\n * Partial fragments effected by coded frame eviction will be removed\n * The browser will unload parts of the buffer to free up memory for new buffer data\n * Fragments will need to be reloaded when the buffer is freed up, removing partial fragments will allow them to reload(since there might be parts that are still playable)\n * @param {String} elementaryStream The elementaryStream of media this is (eg. video/audio)\n * @param {TimeRanges} timeRange TimeRange object from a sourceBuffer\n */\n detectEvictedFragments (elementaryStream, timeRange) {\n let fragmentTimes, time;\n // Check if any flagged fragments have been unloaded\n Object.keys(this.fragments).forEach(key => {\n const fragmentEntity = this.fragments[key];\n if (fragmentEntity.buffered === true) {\n const esData = fragmentEntity.range[elementaryStream];\n if (esData) {\n fragmentTimes = esData.time;\n for (let i = 0; i < fragmentTimes.length; i++) {\n time = fragmentTimes[i];\n\n if (this.isTimeBuffered(time.startPTS, time.endPTS, timeRange) === false) {\n // Unregister partial fragment as it needs to load again to be reused\n this.removeFragment(fragmentEntity.body);\n break;\n }\n }\n }\n }\n });\n }\n\n /**\n * Checks if the fragment passed in is loaded in the buffer properly\n * Partially loaded fragments will be registered as a partial fragment\n * @param {Object} fragment Check the fragment against all sourceBuffers loaded\n */\n detectPartialFragments (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n let fragmentEntity = this.fragments[fragKey];\n if (fragmentEntity) {\n fragmentEntity.buffered = true;\n\n Object.keys(this.timeRanges).forEach(elementaryStream => {\n if (fragment.hasElementaryStream(elementaryStream)) {\n let timeRange = this.timeRanges[elementaryStream];\n // Check for malformed fragments\n // Gaps need to be calculated for each elementaryStream\n fragmentEntity.range[elementaryStream] = this.getBufferedTimes(fragment.startPTS, fragment.endPTS, timeRange);\n }\n });\n }\n }\n\n getBufferedTimes (startPTS, endPTS, timeRange) {\n let fragmentTimes = [];\n let startTime, endTime;\n let fragmentPartial = false;\n for (let i = 0; i < timeRange.length; i++) {\n startTime = timeRange.start(i) - this.bufferPadding;\n endTime = timeRange.end(i) + this.bufferPadding;\n if (startPTS >= startTime && endPTS <= endTime) {\n // Fragment is entirely contained in buffer\n // No need to check the other timeRange times since it's completely playable\n fragmentTimes.push({\n startPTS: Math.max(startPTS, timeRange.start(i)),\n endPTS: Math.min(endPTS, timeRange.end(i))\n });\n break;\n } else if (startPTS < endTime && endPTS > startTime) {\n // Check for intersection with buffer\n // Get playable sections of the fragment\n fragmentTimes.push({\n startPTS: Math.max(startPTS, timeRange.start(i)),\n endPTS: Math.min(endPTS, timeRange.end(i))\n });\n fragmentPartial = true;\n } else if (endPTS <= startTime) {\n // No need to check the rest of the timeRange as it is in order\n break;\n }\n }\n\n return {\n time: fragmentTimes,\n partial: fragmentPartial\n };\n }\n\n getFragmentKey (fragment) {\n return `${fragment.type}_${fragment.level}_${fragment.urlId}_${fragment.sn}`;\n }\n\n /**\n * Gets the partial fragment for a certain time\n * @param {Number} time\n * @returns {Object} fragment Returns a partial fragment at a time or null if there is no partial fragment\n */\n getPartialFragment (time) {\n let timePadding, startTime, endTime;\n let bestFragment = null;\n let bestOverlap = 0;\n Object.keys(this.fragments).forEach(key => {\n const fragmentEntity = this.fragments[key];\n if (this.isPartial(fragmentEntity)) {\n startTime = fragmentEntity.body.startPTS - this.bufferPadding;\n endTime = fragmentEntity.body.endPTS + this.bufferPadding;\n if (time >= startTime && time <= endTime) {\n // Use the fragment that has the most padding from start and end time\n timePadding = Math.min(time - startTime, endTime - time);\n if (bestOverlap <= timePadding) {\n bestFragment = fragmentEntity.body;\n bestOverlap = timePadding;\n }\n }\n }\n });\n return bestFragment;\n }\n\n /**\n * @param {Object} fragment The fragment to check\n * @returns {String} Returns the fragment state when a fragment never loaded or if it partially loaded\n */\n getState (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n let fragmentEntity = this.fragments[fragKey];\n let state = FragmentState.NOT_LOADED;\n\n if (fragmentEntity !== undefined) {\n if (!fragmentEntity.buffered) {\n state = FragmentState.APPENDING;\n } else if (this.isPartial(fragmentEntity) === true) {\n state = FragmentState.PARTIAL;\n } else {\n state = FragmentState.OK;\n }\n }\n\n return state;\n }\n\n isPartial (fragmentEntity) {\n return fragmentEntity.buffered === true &&\n ((fragmentEntity.range.video !== undefined && fragmentEntity.range.video.partial === true) ||\n (fragmentEntity.range.audio !== undefined && fragmentEntity.range.audio.partial === true));\n }\n\n isTimeBuffered (startPTS, endPTS, timeRange) {\n let startTime, endTime;\n for (let i = 0; i < timeRange.length; i++) {\n startTime = timeRange.start(i) - this.bufferPadding;\n endTime = timeRange.end(i) + this.bufferPadding;\n if (startPTS >= startTime && endPTS <= endTime) {\n return true;\n }\n\n if (endPTS <= startTime) {\n // No need to check the rest of the timeRange as it is in order\n return false;\n }\n }\n\n return false;\n }\n\n /**\n * Fires when a fragment loading is completed\n */\n onFragLoaded (e) {\n const fragment = e.frag;\n // don't track initsegment (for which sn is not a number)\n // don't track frags used for bitrateTest, they're irrelevant.\n if (!Number.isFinite(fragment.sn) || fragment.bitrateTest) {\n return;\n }\n\n this.fragments[this.getFragmentKey(fragment)] = {\n body: fragment,\n range: Object.create(null),\n buffered: false\n };\n }\n\n /**\n * Fires when the buffer is updated\n */\n onBufferAppended (e) {\n // Store the latest timeRanges loaded in the buffer\n this.timeRanges = e.timeRanges;\n Object.keys(this.timeRanges).forEach(elementaryStream => {\n let timeRange = this.timeRanges[elementaryStream];\n this.detectEvictedFragments(elementaryStream, timeRange);\n });\n }\n\n /**\n * Fires after a fragment has been loaded into the source buffer\n */\n onFragBuffered (e) {\n this.detectPartialFragments(e.frag);\n }\n\n /**\n * Return true if fragment tracker has the fragment.\n * @param {Object} fragment\n * @returns {boolean}\n */\n hasFragment (fragment) {\n const fragKey = this.getFragmentKey(fragment);\n return this.fragments[fragKey] !== undefined;\n }\n\n /**\n * Remove a fragment from fragment tracker until it is loaded again\n * @param {Object} fragment The fragment to remove\n */\n removeFragment (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n delete this.fragments[fragKey];\n }\n\n /**\n * Remove all fragments from fragment tracker.\n */\n removeAllFragments () {\n this.fragments = Object.create(null);\n }\n}\n","type BinarySearchComparison < T > = (candidate: T) => -1 | 0 | 1;\n\nconst BinarySearch = {\n\n /**\n * Searches for an item in an array which matches a certain condition.\n * This requires the condition to only match one item in the array,\n * and for the array to be ordered.\n *\n * @param {Array<T>} list The array to search.\n * @param {BinarySearchComparison<T>} comparisonFn\n * Called and provided a candidate item as the first argument.\n * Should return:\n * > -1 if the item should be located at a lower index than the provided item.\n * > 1 if the item should be located at a higher index than the provided item.\n * > 0 if the item is the item you're looking for.\n *\n * @return {T | null} The object if it is found or null otherwise.\n */\n search: function<T> (list: T[], comparisonFn: BinarySearchComparison<T>): T | null {\n let minIndex: number = 0;\n let maxIndex: number = list.length - 1;\n let currentIndex: number | null = null;\n let currentElement: T | null = null;\n\n while (minIndex <= maxIndex) {\n currentIndex = (minIndex + maxIndex) / 2 | 0;\n currentElement = list[currentIndex];\n\n let comparisonResult = comparisonFn(currentElement);\n if (comparisonResult > 0) {\n minIndex = currentIndex + 1;\n } else if (comparisonResult < 0) {\n maxIndex = currentIndex - 1;\n } else {\n return currentElement;\n }\n }\n\n return null;\n }\n};\n\nexport default BinarySearch;\n","/**\n * @module BufferHelper\n *\n * Providing methods dealing with buffer length retrieval for example.\n *\n * In general, a helper around HTML5 MediaElement TimeRanges gathered from `buffered` property.\n *\n * Also @see https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/buffered\n*/\n\ntype BufferTimeRange = {\n start: number\n end: number\n};\n\ntype Bufferable = {\n buffered: TimeRanges\n};\n\nexport class BufferHelper {\n /**\n * Return true if `media`'s buffered include `position`\n * @param {Bufferable} media\n * @param {number} position\n * @returns {boolean}\n */\n static isBuffered (media: Bufferable, position: number): boolean {\n try {\n if (media) {\n let buffered = media.buffered;\n for (let i = 0; i < buffered.length; i++) {\n if (position >= buffered.start(i) && position <= buffered.end(i)) {\n return true;\n }\n }\n }\n } catch (error) {\n // this is to catch\n // InvalidStateError: Failed to read the 'buffered' property from 'SourceBuffer':\n // This SourceBuffer has been removed from the parent media source\n }\n return false;\n }\n\n static bufferInfo (\n media: Bufferable,\n pos: number,\n maxHoleDuration: number\n ): {\n len: number,\n start: number,\n end: number,\n nextStart?: number,\n } {\n try {\n if (media) {\n let vbuffered = media.buffered;\n let buffered: BufferTimeRange[] = [];\n let i: number;\n for (i = 0; i < vbuffered.length; i++) {\n buffered.push({ start: vbuffered.start(i), end: vbuffered.end(i) });\n }\n\n return this.bufferedInfo(buffered, pos, maxHoleDuration);\n }\n } catch (error) {\n // this is to catch\n // InvalidStateError: Failed to read the 'buffered' property from 'SourceBuffer':\n // This SourceBuffer has been removed from the parent media source\n }\n return { len: 0, start: pos, end: pos, nextStart: undefined };\n }\n\n static bufferedInfo (\n buffered: BufferTimeRange[],\n pos: number,\n maxHoleDuration: number\n ): {\n len: number,\n start: number,\n end: number,\n nextStart?: number,\n } {\n // sort on buffer.start/smaller end (IE does not always return sorted buffered range)\n buffered.sort(function (a, b) {\n let diff = a.start - b.start;\n if (diff) {\n return diff;\n } else {\n return b.end - a.end;\n }\n });\n\n let buffered2: BufferTimeRange[] = [];\n if (maxHoleDuration) {\n // there might be some small holes between buffer time range\n // consider that holes smaller than maxHoleDuration are irrelevant and build another\n // buffer time range representations that discards those holes\n for (let i = 0; i < buffered.length; i++) {\n let buf2len = buffered2.length;\n if (buf2len) {\n let buf2end = buffered2[buf2len - 1].end;\n // if small hole (value between 0 or maxHoleDuration ) or overlapping (negative)\n if ((buffered[i].start - buf2end) < maxHoleDuration) {\n // merge overlapping time ranges\n // update lastRange.end only if smaller than item.end\n // e.g. [ 1, 15] with [ 2,8] => [ 1,15] (no need to modify lastRange.end)\n // whereas [ 1, 8] with [ 2,15] => [ 1,15] ( lastRange should switch from [1,8] to [1,15])\n if (buffered[i].end > buf2end) {\n buffered2[buf2len - 1].end = buffered[i].end;\n }\n } else {\n // big hole\n buffered2.push(buffered[i]);\n }\n } else {\n // first value\n buffered2.push(buffered[i]);\n }\n }\n } else {\n buffered2 = buffered;\n }\n\n let bufferLen = 0;\n\n // bufferStartNext can possibly be undefined based on the conditional logic below\n let bufferStartNext: number | undefined;\n\n // bufferStart and bufferEnd are buffer boundaries around current video position\n let bufferStart: number = pos;\n let bufferEnd: number = pos;\n for (let i = 0; i < buffered2.length; i++) {\n let start = buffered2[i].start,\n end = buffered2[i].end;\n // logger.log('buf start/end:' + buffered.start(i) + '/' + buffered.end(i));\n if ((pos + maxHoleDuration) >= start && pos < end) {\n // play position is inside this buffer TimeRange, retrieve end of buffer position and buffer length\n bufferStart = start;\n bufferEnd = end;\n bufferLen = bufferEnd - pos;\n } else if ((pos + maxHoleDuration) < start) {\n bufferStartNext = start;\n break;\n }\n }\n return { len: bufferLen, start: bufferStart, end: bufferEnd, nextStart: bufferStartNext };\n }\n\n // Trying to find buffered position within `maxFragLookUpTolerance`. Returns same position if\n // current time is already inside of buffered range or there is no buffered fragment\n // within `maxFragLookUpTolerance`.\n static getBufferedPosWithinTolerance(media, pos, maxFragLookUpTolerance) {\n const currentTime = media ? media.currentTime : undefined;\n\n // No need to seek if current playback position is already inside buffered range\n if (BufferHelper.isBuffered(media, currentTime)) {\n return pos;\n }\n\n const buffered = media.buffered;\n for (let i = 0; i < buffered.length; i++) {\n const start = buffered.start(i);\n\n // Returns the start position of buffered range if `currentTime` is within `maxFragLookUpTolerance` range\n if (start > currentTime && start < currentTime + maxFragLookUpTolerance) {\n return Math.ceil(start * 10) / 10;\n }\n }\n\n return pos;\n }\n}\n","/**\n * MediaSource helper\n */\n\nexport function getMediaSource (): typeof MediaSource | undefined {\n return (window as any).MediaSource || (window as any).WebKitMediaSource;\n}\n","import { EventEmitter } from 'eventemitter3';\n\n/**\n * Simple adapter sub-class of Nodejs-like EventEmitter.\n */\nexport class Observer extends EventEmitter {\n /**\n * We simply want to pass along the event-name itself\n * in every call to a handler, which is the purpose of our `trigger` method\n * extending the standard API.\n */\n trigger (event: string, ...data: Array<any>): void {\n this.emit(event, event, ...data);\n }\n}\n","import { EventEmitter } from 'eventemitter3';\nimport * as work from 'webworkify-webpack';\n\nimport Event from '../events';\nimport DemuxerInline from '../demux/demuxer-inline';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { getMediaSource } from '../utils/mediasource-helper';\nimport { getSelfScope } from '../utils/get-self-scope';\n\nimport { Observer } from '../observer';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\nconst MediaSource = getMediaSource() || { isTypeSupported: () => false };\n\nclass Demuxer {\n constructor (hls, id) {\n this.hls = hls;\n this.id = id;\n\n const observer = this.observer = new Observer();\n const config = hls.config;\n\n const forwardMessage = (ev, data) => {\n data = data || {};\n data.frag = this.frag;\n data.id = this.id;\n hls.trigger(ev, data);\n };\n\n // forward events to main thread\n observer.on(Event.FRAG_DECRYPTED, forwardMessage);\n observer.on(Event.FRAG_PARSING_INIT_SEGMENT, forwardMessage);\n observer.on(Event.FRAG_PARSING_DATA, forwardMessage);\n observer.on(Event.FRAG_PARSED, forwardMessage);\n observer.on(Event.ERROR, forwardMessage);\n observer.on(Event.FRAG_PARSING_METADATA, forwardMessage);\n observer.on(Event.FRAG_PARSING_USERDATA, forwardMessage);\n observer.on(Event.INIT_PTS_FOUND, forwardMessage);\n\n const typeSupported = {\n mp4: MediaSource.isTypeSupported('video/mp4'),\n mpeg: MediaSource.isTypeSupported('audio/mpeg'),\n mp3: MediaSource.isTypeSupported('audio/mp4; codecs=\"mp3\"')\n };\n // navigator.vendor is not always available in Web Worker\n // refer to https://developer.mozilla.org/en-US/docs/Web/API/WorkerGlobalScope/navigator\n const vendor = navigator.vendor;\n if (config.enableWorker && (typeof (Worker) !== 'undefined')) {\n logger.log('demuxing in webworker');\n let w;\n try {\n w = this.w = work(require.resolve('../demux/demuxer-worker.js'));\n this.onwmsg = this.onWorkerMessage.bind(this);\n w.addEventListener('message', this.onwmsg);\n w.onerror = function (event) {\n hls.trigger(Event.ERROR, { type: ErrorTypes.OTHER_ERROR, details: ErrorDetails.INTERNAL_EXCEPTION, fatal: true, event: 'demuxerWorker', err: { message: event.message + ' (' + event.filename + ':' + event.lineno + ')' } });\n };\n w.postMessage({ cmd: 'init', typeSupported: typeSupported, vendor: vendor, id: id, config: JSON.stringify(config) });\n } catch (err) {\n logger.warn('Error in worker:', err);\n logger.error('Error while initializing DemuxerWorker, fallback on DemuxerInline');\n if (w) {\n // revoke the Object URL that was used to create demuxer worker, so as not to leak it\n global.URL.revokeObjectURL(w.objectURL);\n }\n this.demuxer = new DemuxerInline(observer, typeSupported, config, vendor);\n this.w = undefined;\n }\n } else {\n this.demuxer = new DemuxerInline(observer, typeSupported, config, vendor);\n }\n }\n\n destroy () {\n let w = this.w;\n if (w) {\n w.removeEventListener('message', this.onwmsg);\n w.terminate();\n this.w = null;\n } else {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.destroy();\n this.demuxer = null;\n }\n }\n const observer = this.observer;\n if (observer) {\n observer.removeAllListeners();\n this.observer = null;\n }\n }\n\n push (data, initSegment, audioCodec, videoCodec, frag, duration, accurateTimeOffset, defaultInitPTS) {\n const w = this.w;\n const timeOffset = Number.isFinite(frag.startPTS) ? frag.startPTS : frag.start;\n const decryptdata = frag.decryptdata;\n const lastFrag = this.frag;\n const discontinuity = !(lastFrag && (frag.cc === lastFrag.cc));\n const trackSwitch = !(lastFrag && (frag.level === lastFrag.level));\n const nextSN = lastFrag && (frag.sn === (lastFrag.sn + 1));\n const contiguous = !trackSwitch && nextSN;\n if (discontinuity) {\n logger.log(`${this.id}:discontinuity detected`);\n }\n\n if (trackSwitch) {\n logger.log(`${this.id}:switch detected`);\n }\n\n this.frag = frag;\n if (w) {\n // post fragment payload as transferable objects for ArrayBuffer (no copy)\n w.postMessage({ cmd: 'demux', data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS }, data instanceof ArrayBuffer ? [data] : []);\n } else {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.push(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n }\n }\n }\n\n onWorkerMessage (ev) {\n let data = ev.data,\n hls = this.hls;\n switch (data.event) {\n case 'init':\n // revoke the Object URL that was used to create demuxer worker, so as not to leak it\n global.URL.revokeObjectURL(this.w.objectURL);\n break;\n // special case for FRAG_PARSING_DATA: data1 and data2 are transferable objects\n case Event.FRAG_PARSING_DATA:\n data.data.data1 = new Uint8Array(data.data1);\n if (data.data2) {\n data.data.data2 = new Uint8Array(data.data2);\n }\n\n /* falls through */\n default:\n data.data = data.data || {};\n data.data.frag = this.frag;\n data.data.id = this.id;\n hls.trigger(data.event, data.data);\n break;\n }\n }\n}\n\nexport default Demuxer;\n","/**\n * @module LevelHelper\n *\n * Providing methods dealing with playlist sliding and drift\n *\n * TODO: Create an actual `Level` class/model that deals with all this logic in an object-oriented-manner.\n *\n * */\n\nimport { logger } from '../utils/logger';\n\nexport function addGroupId (level, type, id) {\n switch (type) {\n case 'audio':\n if (!level.audioGroupIds) {\n level.audioGroupIds = [];\n }\n level.audioGroupIds.push(id);\n break;\n case 'text':\n if (!level.textGroupIds) {\n level.textGroupIds = [];\n }\n level.textGroupIds.push(id);\n break;\n }\n}\n\nexport function updatePTS (fragments, fromIdx, toIdx) {\n let fragFrom = fragments[fromIdx], fragTo = fragments[toIdx], fragToPTS = fragTo.startPTS;\n // if we know startPTS[toIdx]\n if (Number.isFinite(fragToPTS)) {\n // update fragment duration.\n // it helps to fix drifts between playlist reported duration and fragment real duration\n if (toIdx > fromIdx) {\n fragFrom.duration = fragToPTS - fragFrom.start;\n if (fragFrom.duration < 0) {\n logger.warn(`negative duration computed for frag ${fragFrom.sn},level ${fragFrom.level}, there should be some duration drift between playlist and fragment!`);\n }\n } else {\n fragTo.duration = fragFrom.start - fragToPTS;\n if (fragTo.duration < 0) {\n logger.warn(`negative duration computed for frag ${fragTo.sn},level ${fragTo.level}, there should be some duration drift between playlist and fragment!`);\n }\n }\n } else {\n // we dont know startPTS[toIdx]\n if (toIdx > fromIdx) {\n fragTo.start = fragFrom.start + fragFrom.duration;\n } else {\n fragTo.start = Math.max(fragFrom.start - fragTo.duration, 0);\n }\n }\n}\n\nexport function updateFragPTSDTS (details, frag, startPTS, endPTS, startDTS, endDTS) {\n // update frag PTS/DTS\n let maxStartPTS = startPTS;\n if (Number.isFinite(frag.startPTS)) {\n // delta PTS between audio and video\n let deltaPTS = Math.abs(frag.startPTS - startPTS);\n if (!Number.isFinite(frag.deltaPTS)) {\n frag.deltaPTS = deltaPTS;\n } else {\n frag.deltaPTS = Math.max(deltaPTS, frag.deltaPTS);\n }\n\n maxStartPTS = Math.max(startPTS, frag.startPTS);\n startPTS = Math.min(startPTS, frag.startPTS);\n endPTS = Math.max(endPTS, frag.endPTS);\n startDTS = Math.min(startDTS, frag.startDTS);\n endDTS = Math.max(endDTS, frag.endDTS);\n }\n\n const drift = startPTS - frag.start;\n frag.start = frag.startPTS = startPTS;\n frag.maxStartPTS = maxStartPTS;\n frag.endPTS = endPTS;\n frag.startDTS = startDTS;\n frag.endDTS = endDTS;\n frag.duration = endPTS - startPTS;\n\n const sn = frag.sn;\n // exit if sn out of range\n if (!details || sn < details.startSN || sn > details.endSN) {\n return 0;\n }\n\n let fragIdx, fragments, i;\n fragIdx = sn - details.startSN;\n fragments = details.fragments;\n // update frag reference in fragments array\n // rationale is that fragments array might not contain this frag object.\n // this will happen if playlist has been refreshed between frag loading and call to updateFragPTSDTS()\n // if we don't update frag, we won't be able to propagate PTS info on the playlist\n // resulting in invalid sliding computation\n fragments[fragIdx] = frag;\n // adjust fragment PTS/duration from seqnum-1 to frag 0\n for (i = fragIdx; i > 0; i--) {\n updatePTS(fragments, i, i - 1);\n }\n\n // adjust fragment PTS/duration from seqnum to last frag\n for (i = fragIdx; i < fragments.length - 1; i++) {\n updatePTS(fragments, i, i + 1);\n }\n\n details.PTSKnown = true;\n return drift;\n}\n\nexport function mergeDetails (oldDetails, newDetails) {\n // potentially retrieve cached initsegment\n if (newDetails.initSegment && oldDetails.initSegment) {\n newDetails.initSegment = oldDetails.initSegment;\n }\n\n // check if old/new playlists have fragments in common\n // loop through overlapping SN and update startPTS , cc, and duration if any found\n let ccOffset = 0;\n let PTSFrag;\n mapFragmentIntersection(oldDetails, newDetails, (oldFrag, newFrag) => {\n ccOffset = oldFrag.cc - newFrag.cc;\n if (Number.isFinite(oldFrag.startPTS)) {\n newFrag.start = newFrag.startPTS = oldFrag.startPTS;\n newFrag.endPTS = oldFrag.endPTS;\n newFrag.duration = oldFrag.duration;\n newFrag.backtracked = oldFrag.backtracked;\n newFrag.dropped = oldFrag.dropped;\n PTSFrag = newFrag;\n }\n // PTS is known when there are overlapping segments\n newDetails.PTSKnown = true;\n });\n\n if (!newDetails.PTSKnown) {\n return;\n }\n\n if (ccOffset) {\n logger.log('discontinuity sliding from playlist, take drift into account');\n const newFragments = newDetails.fragments;\n for (let i = 0; i < newFragments.length; i++) {\n newFragments[i].cc += ccOffset;\n }\n }\n\n // if at least one fragment contains PTS info, recompute PTS information for all fragments\n if (PTSFrag) {\n updateFragPTSDTS(newDetails, PTSFrag, PTSFrag.startPTS, PTSFrag.endPTS, PTSFrag.startDTS, PTSFrag.endDTS);\n } else {\n // ensure that delta is within oldFragments range\n // also adjust sliding in case delta is 0 (we could have old=[50-60] and new=old=[50-61])\n // in that case we also need to adjust start offset of all fragments\n adjustSliding(oldDetails, newDetails);\n }\n // if we are here, it means we have fragments overlapping between\n // old and new level. reliable PTS info is thus relying on old level\n newDetails.PTSKnown = oldDetails.PTSKnown;\n}\n\nexport function mergeSubtitlePlaylists (oldPlaylist, newPlaylist, referenceStart = 0) {\n let lastIndex = -1;\n mapFragmentIntersection(oldPlaylist, newPlaylist, (oldFrag, newFrag, index) => {\n newFrag.start = oldFrag.start;\n lastIndex = index;\n });\n\n const frags = newPlaylist.fragments;\n if (lastIndex < 0) {\n frags.forEach(frag => {\n frag.start += referenceStart;\n });\n return;\n }\n\n for (let i = lastIndex + 1; i < frags.length; i++) {\n frags[i].start = (frags[i - 1].start + frags[i - 1].duration);\n }\n}\n\nexport function mapFragmentIntersection (oldPlaylist, newPlaylist, intersectionFn) {\n if (!oldPlaylist || !newPlaylist) {\n return;\n }\n\n const start = Math.max(oldPlaylist.startSN, newPlaylist.startSN) - newPlaylist.startSN;\n const end = Math.min(oldPlaylist.endSN, newPlaylist.endSN) - newPlaylist.startSN;\n const delta = newPlaylist.startSN - oldPlaylist.startSN;\n\n for (let i = start; i <= end; i++) {\n const oldFrag = oldPlaylist.fragments[delta + i];\n const newFrag = newPlaylist.fragments[i];\n if (!oldFrag || !newFrag) {\n break;\n }\n intersectionFn(oldFrag, newFrag, i);\n }\n}\n\nexport function adjustSliding (oldPlaylist, newPlaylist) {\n const delta = newPlaylist.startSN - oldPlaylist.startSN;\n const oldFragments = oldPlaylist.fragments;\n const newFragments = newPlaylist.fragments;\n\n if (delta < 0 || delta > oldFragments.length) {\n return;\n }\n for (let i = 0; i < newFragments.length; i++) {\n newFragments[i].start += oldFragments[delta].start;\n }\n}\n\nexport function computeReloadInterval (currentPlaylist, newPlaylist, lastRequestTime) {\n let reloadInterval = 1000 * (newPlaylist.averagetargetduration ? newPlaylist.averagetargetduration : newPlaylist.targetduration);\n const minReloadInterval = reloadInterval / 2;\n if (currentPlaylist && newPlaylist.endSN === currentPlaylist.endSN) {\n // follow HLS Spec, If the client reloads a Playlist file and finds that it has not\n // changed then it MUST wait for a period of one-half the target\n // duration before retrying.\n reloadInterval = minReloadInterval;\n }\n\n if (lastRequestTime) {\n reloadInterval = Math.max(minReloadInterval, reloadInterval - (window.performance.now() - lastRequestTime));\n }\n // in any case, don't reload more than half of target duration\n return Math.round(reloadInterval);\n}\n","/**\n * TimeRanges to string helper\n */\n\nconst TimeRanges = {\n toString: function (r: TimeRanges) {\n let log = '';\n let len = r.length;\n for (let i = 0; i < len; i++) {\n log += '[' + r.start(i).toFixed(3) + ',' + r.end(i).toFixed(3) + ']';\n }\n\n return log;\n }\n};\n\nexport default TimeRanges;\n","import BinarySearch from './binary-search';\nimport { logger } from '../utils/logger';\n\nexport function findFirstFragWithCC (fragments, cc) {\n let firstFrag = null;\n\n for (let i = 0; i < fragments.length; i += 1) {\n const currentFrag = fragments[i];\n if (currentFrag && currentFrag.cc === cc) {\n firstFrag = currentFrag;\n break;\n }\n }\n\n return firstFrag;\n}\n\nexport function findFragWithCC (fragments, CC) {\n return BinarySearch.search(fragments, (candidate) => {\n if (candidate.cc < CC) {\n return 1;\n } else if (candidate.cc > CC) {\n return -1;\n } else {\n return 0;\n }\n });\n}\n\nexport function shouldAlignOnDiscontinuities (lastFrag, lastLevel, details) {\n let shouldAlign = false;\n if (lastLevel && lastLevel.details && details) {\n if (details.endCC > details.startCC || (lastFrag && lastFrag.cc < details.startCC)) {\n shouldAlign = true;\n }\n }\n return shouldAlign;\n}\n\n// Find the first frag in the previous level which matches the CC of the first frag of the new level\nexport function findDiscontinuousReferenceFrag (prevDetails, curDetails) {\n const prevFrags = prevDetails.fragments;\n const curFrags = curDetails.fragments;\n\n if (!curFrags.length || !prevFrags.length) {\n logger.log('No fragments to align');\n return;\n }\n\n const prevStartFrag = findFirstFragWithCC(prevFrags, curFrags[0].cc);\n\n if (!prevStartFrag || (prevStartFrag && !prevStartFrag.startPTS)) {\n logger.log('No frag in previous level to align on');\n return;\n }\n\n return prevStartFrag;\n}\n\nexport function adjustPts (sliding, details) {\n details.fragments.forEach((frag) => {\n if (frag) {\n let start = frag.start + sliding;\n frag.start = frag.startPTS = start;\n frag.endPTS = start + frag.duration;\n }\n });\n details.PTSKnown = true;\n}\n\n/**\n * Using the parameters of the last level, this function computes PTS' of the new fragments so that they form a\n * contiguous stream with the last fragments.\n * The PTS of a fragment lets Hls.js know where it fits into a stream - by knowing every PTS, we know which fragment to\n * download at any given time. PTS is normally computed when the fragment is demuxed, so taking this step saves us time\n * and an extra download.\n * @param lastFrag\n * @param lastLevel\n * @param details\n */\nexport function alignStream (lastFrag, lastLevel, details) {\n alignDiscontinuities(lastFrag, details, lastLevel);\n if (!details.PTSKnown && lastLevel) {\n // If the PTS wasn't figured out via discontinuity sequence that means there was no CC increase within the level.\n // Aligning via Program Date Time should therefore be reliable, since PDT should be the same within the same\n // discontinuity sequence.\n alignPDT(details, lastLevel.details);\n }\n}\n\n/**\n * Computes the PTS if a new level's fragments using the PTS of a fragment in the last level which shares the same\n * discontinuity sequence.\n * @param lastLevel - The details of the last loaded level\n * @param details - The details of the new level\n */\nexport function alignDiscontinuities (lastFrag, details, lastLevel) {\n if (shouldAlignOnDiscontinuities(lastFrag, lastLevel, details)) {\n const referenceFrag = findDiscontinuousReferenceFrag(lastLevel.details, details);\n if (referenceFrag) {\n logger.log('Adjusting PTS using last level due to CC increase within current level');\n adjustPts(referenceFrag.start, details);\n }\n }\n}\n\n/**\n * Computes the PTS of a new level's fragments using the difference in Program Date Time from the last level.\n * @param details - The details of the new level\n * @param lastDetails - The details of the last loaded level\n */\nexport function alignPDT (details, lastDetails) {\n if (lastDetails && lastDetails.fragments.length) {\n if (!details.hasProgramDateTime || !lastDetails.hasProgramDateTime) {\n return;\n }\n // if last level sliding is 1000 and its first frag PROGRAM-DATE-TIME is 2017-08-20 1:10:00 AM\n // and if new details first frag PROGRAM DATE-TIME is 2017-08-20 1:10:08 AM\n // then we can deduce that playlist B sliding is 1000+8 = 1008s\n let lastPDT = lastDetails.fragments[0].programDateTime;\n let newPDT = details.fragments[0].programDateTime;\n // date diff is in ms. frag.start is in seconds\n let sliding = (newPDT - lastPDT) / 1000 + lastDetails.fragments[0].start;\n if (Number.isFinite(sliding)) {\n logger.log(`adjusting PTS using programDateTime delta, sliding:${sliding.toFixed(3)}`);\n adjustPts(sliding, details);\n }\n }\n}\n","import BinarySearch from '../utils/binary-search';\nimport Fragment from '../loader/fragment';\n\n/**\n * Returns first fragment whose endPdt value exceeds the given PDT.\n * @param {Array<Fragment>} fragments - The array of candidate fragments\n * @param {number|null} [PDTValue = null] - The PDT value which must be exceeded\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start/end can be within in order to be considered contiguous\n * @returns {*|null} fragment - The best matching fragment\n */\nexport function findFragmentByPDT (fragments: Array<Fragment>, PDTValue: number | null, maxFragLookUpTolerance: number): Fragment | null {\n if (PDTValue === null || !Array.isArray(fragments) || !fragments.length || !Number.isFinite(PDTValue)) {\n return null;\n }\n\n // if less than start\n const startPDT = fragments[0].programDateTime;\n if (PDTValue < (startPDT || 0)) {\n return null;\n }\n\n const endPDT = fragments[fragments.length - 1].endProgramDateTime;\n if (PDTValue >= (endPDT || 0)) {\n return null;\n }\n\n maxFragLookUpTolerance = maxFragLookUpTolerance || 0;\n for (let seg = 0; seg < fragments.length; ++seg) {\n let frag = fragments[seg];\n if (pdtWithinToleranceTest(PDTValue, maxFragLookUpTolerance, frag)) {\n return frag;\n }\n }\n\n return null;\n}\n\n/**\n * Finds a fragment based on the SN of the previous fragment; or based on the needs of the current buffer.\n * This method compensates for small buffer gaps by applying a tolerance to the start of any candidate fragment, thus\n * breaking any traps which would cause the same fragment to be continuously selected within a small range.\n * @param {*} fragPrevious - The last frag successfully appended\n * @param {Array<Fragment>} fragments - The array of candidate fragments\n * @param {number} [bufferEnd = 0] - The end of the contiguous buffered range the playhead is currently within\n * @param {number} maxFragLookUpTolerance - The amount of time that a fragment's start/end can be within in order to be considered contiguous\n * @returns {*} foundFrag - The best matching fragment\n */\nexport function findFragmentByPTS (fragPrevious: Fragment, fragments: Array<Fragment>, bufferEnd: number = 0, maxFragLookUpTolerance: number = 0): Fragment | null {\n const fragNext = fragPrevious ? fragments[fragPrevious.sn as number - (fragments[0].sn as number) + 1] : null;\n // Prefer the next fragment if it's within tolerance\n if (fragNext && !fragmentWithinToleranceTest(bufferEnd, maxFragLookUpTolerance, fragNext)) {\n return fragNext;\n }\n return BinarySearch.search(fragments, fragmentWithinToleranceTest.bind(null, bufferEnd, maxFragLookUpTolerance));\n}\n\n/**\n * The test function used by the findFragmentBySn's BinarySearch to look for the best match to the current buffer conditions.\n * @param {*} candidate - The fragment to test\n * @param {number} [bufferEnd = 0] - The end of the current buffered range the playhead is currently within\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start can be within in order to be considered contiguous\n * @returns {number} - 0 if it matches, 1 if too low, -1 if too high\n */\nexport function fragmentWithinToleranceTest (bufferEnd = 0, maxFragLookUpTolerance = 0, candidate: Fragment) {\n // offset should be within fragment boundary - config.maxFragLookUpTolerance\n // this is to cope with situations like\n // bufferEnd = 9.991\n // frag[Ø] : [0,10]\n // frag[1] : [10,20]\n // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here\n // frag start frag start+duration\n // |-----------------------------|\n // <---> <--->\n // ...--------><-----------------------------><---------....\n // previous frag matching fragment next frag\n // return -1 return 0 return 1\n // logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`);\n // Set the lookup tolerance to be small enough to detect the current segment - ensures we don't skip over very small segments\n let candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration + (candidate.deltaPTS ? candidate.deltaPTS : 0));\n if (candidate.start + candidate.duration - candidateLookupTolerance <= bufferEnd) {\n return 1;\n } else if (candidate.start - candidateLookupTolerance > bufferEnd && candidate.start) {\n // if maxFragLookUpTolerance will have negative value then don't return -1 for first element\n return -1;\n }\n\n return 0;\n}\n\n/**\n * The test function used by the findFragmentByPdt's BinarySearch to look for the best match to the current buffer conditions.\n * This function tests the candidate's program date time values, as represented in Unix time\n * @param {*} candidate - The fragment to test\n * @param {number} [pdtBufferEnd = 0] - The Unix time representing the end of the current buffered range\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start can be within in order to be considered contiguous\n * @returns {boolean} True if contiguous, false otherwise\n */\nexport function pdtWithinToleranceTest (pdtBufferEnd: number, maxFragLookUpTolerance: number, candidate: Fragment): boolean {\n let candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration + (candidate.deltaPTS ? candidate.deltaPTS : 0)) * 1000;\n\n // endProgramDateTime can be null, default to zero\n const endProgramDateTime = candidate.endProgramDateTime || 0;\n return endProgramDateTime - candidateLookupTolerance > pdtBufferEnd;\n}\n","import { BufferHelper } from '../utils/buffer-helper';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport Event from '../events';\nimport { logger } from '../utils/logger';\n\nexport const STALL_MINIMUM_DURATION_MS = 250;\nexport const MAX_START_GAP_JUMP = 2.0;\nexport const SKIP_BUFFER_HOLE_STEP_SECONDS = 0.1;\nexport const SKIP_BUFFER_RANGE_START = 0.05;\n\nexport default class GapController {\n constructor (config, media, fragmentTracker, hls) {\n this.config = config;\n this.media = media;\n this.fragmentTracker = fragmentTracker;\n this.hls = hls;\n this.nudgeRetry = 0;\n this.stallReported = false;\n this.stalled = null;\n this.moved = false;\n this.seeking = false;\n }\n\n /**\n * Checks if the playhead is stuck within a gap, and if so, attempts to free it.\n * A gap is an unbuffered range between two buffered ranges (or the start and the first buffered range).\n *\n * @param {number} lastCurrentTime Previously read playhead position\n */\n poll (lastCurrentTime) {\n const { config, media, stalled } = this;\n const { currentTime, seeking } = media;\n const seeked = this.seeking && !seeking;\n const beginSeek = !this.seeking && seeking;\n\n this.seeking = seeking;\n\n // The playhead is moving, no-op\n if (currentTime !== lastCurrentTime) {\n this.moved = true;\n if (stalled !== null) {\n // The playhead is now moving, but was previously stalled\n if (this.stallReported) {\n const stalledDuration = self.performance.now() - stalled;\n logger.warn(`playback not stuck anymore @${currentTime}, after ${Math.round(stalledDuration)}ms`);\n this.stallReported = false;\n }\n this.stalled = null;\n this.nudgeRetry = 0;\n }\n return;\n }\n\n // Clear stalled state when beginning or finishing seeking so that we don't report stalls coming out of a seek\n if (beginSeek || seeked) {\n this.stalled = null;\n }\n\n const { seekWithinTolerance } = this.config;\n if (seekWithinTolerance && (seeking || seeked)) {\n this.seekWithinToleranceIfNeeded();\n }\n\n // The playhead should not be moving\n if (media.paused || media.ended || media.playbackRate === 0 || !media.buffered.length) {\n return;\n }\n\n const bufferInfo = BufferHelper.bufferInfo(media, currentTime, 0);\n const isBuffered = bufferInfo.len > 0;\n const nextStart = bufferInfo.nextStart || 0;\n\n // There is no playable buffer (waiting for buffer append)\n if (!isBuffered && !nextStart) {\n return;\n }\n\n if (seeking) {\n // Waiting for seeking in a buffered range to complete\n const hasEnoughBuffer = bufferInfo.len > MAX_START_GAP_JUMP;\n // Next buffered range is too far ahead to jump to while still seeking\n const noBufferGap = !nextStart || nextStart - currentTime > MAX_START_GAP_JUMP;\n if (hasEnoughBuffer || noBufferGap) {\n return;\n }\n // Reset moved state when seeking to a point in or before a gap\n this.moved = false;\n }\n\n // Skip start gaps if we haven't played, but the last poll detected the start of a stall\n // The addition poll gives the browser a chance to jump the gap for us\n if (!this.moved && this.stalled) {\n // Jump start gaps within jump threshold\n const startJump = Math.max(nextStart, bufferInfo.start || 0) - currentTime;\n if (startJump > 0 && startJump <= MAX_START_GAP_JUMP) {\n this._trySkipBufferHole(null);\n return;\n }\n }\n\n // Start tracking stall time\n const tnow = self.performance.now();\n if (stalled === null) {\n this.stalled = tnow;\n return;\n }\n\n const stalledDuration = tnow - stalled;\n if (!seeking && stalledDuration >= STALL_MINIMUM_DURATION_MS) {\n // Report stalling after trying to fix\n this._reportStall(bufferInfo.len);\n }\n\n const bufferedWithHoles = BufferHelper.bufferInfo(media, currentTime, config.maxBufferHole);\n this._tryFixBufferStall(bufferedWithHoles, stalledDuration);\n }\n\n // If current position is outside of buffered range and there is a buffered fragment within `maxFragLookUpTolerance`\n // will seek to this buffered fragment. It helps to prevent playback stalls\n seekWithinToleranceIfNeeded() {\n const media = this.media;\n const currentTime = media ? media.currentTime : undefined;\n const { maxFragLookUpTolerance } = this.config;\n\n // Trying to find buffered position within `maxFragLookUpTolerance`. Returns same position if\n // current time is already inside of buffered range or there is no buffered fragment\n // within `maxFragLookUpTolerance`.\n const bufferedPosWithinTolerance =\n BufferHelper.getBufferedPosWithinTolerance(media, currentTime, maxFragLookUpTolerance);\n\n if (currentTime !== bufferedPosWithinTolerance) {\n logger.log(`seeking to position within maxFragLookUpTolerance - ${bufferedPosWithinTolerance}`);\n media.currentTime = bufferedPosWithinTolerance;\n return true;\n }\n\n return false;\n }\n\n /**\n * Detects and attempts to fix known buffer stalling issues.\n * @param bufferInfo - The properties of the current buffer.\n * @param stalledDurationMs - The amount of time Hls.js has been stalling for.\n * @private\n */\n _tryFixBufferStall (bufferInfo, stalledDurationMs) {\n const { config, fragmentTracker, media } = this;\n const currentTime = media.currentTime;\n\n const partial = fragmentTracker.getPartialFragment(currentTime);\n if (partial) {\n // Try to skip over the buffer hole caused by a partial fragment\n // This method isn't limited by the size of the gap between buffered ranges\n const targetTime = this._trySkipBufferHole(partial);\n // we return here in this case, meaning\n // the branch below only executes when we don't handle a partial fragment\n if (targetTime) {\n return;\n }\n }\n\n // if we haven't had to skip over a buffer hole of a partial fragment\n // we may just have to \"nudge\" the playlist as the browser decoding/rendering engine\n // needs to cross some sort of threshold covering all source-buffers content\n // to start playing properly.\n if (bufferInfo.len > config.maxBufferHole &&\n stalledDurationMs > config.highBufferWatchdogPeriod * 1000) {\n logger.warn('Trying to nudge playhead over buffer-hole');\n // Try to nudge currentTime over a buffer hole if we've been stalling for the configured amount of seconds\n // We only try to jump the hole if it's under the configured size\n // Reset stalled so to rearm watchdog timer\n this.stalled = null;\n this._tryNudgeBuffer();\n }\n }\n\n /**\n * Triggers a BUFFER_STALLED_ERROR event, but only once per stall period.\n * @param bufferLen - The playhead distance from the end of the current buffer segment.\n * @private\n */\n _reportStall (bufferLen) {\n const { hls, media, stallReported } = this;\n if (!stallReported) {\n // Report stalled error once\n this.stallReported = true;\n logger.warn(`Playback stalling at @${media.currentTime} due to low buffer`);\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_STALLED_ERROR,\n fatal: false,\n buffer: bufferLen\n });\n }\n }\n\n /**\n * Attempts to fix buffer stalls by jumping over known gaps caused by partial fragments\n * @param partial - The partial fragment found at the current time (where playback is stalling).\n * @private\n */\n _trySkipBufferHole (partial) {\n const { config, hls, media } = this;\n const currentTime = media.currentTime;\n let lastEndTime = 0;\n // Check if currentTime is between unbuffered regions of partial fragments\n for (let i = 0; i < media.buffered.length; i++) {\n const startTime = media.buffered.start(i);\n if (currentTime + config.maxBufferHole >= lastEndTime && currentTime < startTime) {\n const targetTime = Math.max(startTime + SKIP_BUFFER_RANGE_START, media.currentTime + SKIP_BUFFER_HOLE_STEP_SECONDS);\n logger.warn(`skipping hole, adjusting currentTime from ${currentTime} to ${targetTime}`);\n this.moved = true;\n this.stalled = null;\n media.currentTime = targetTime;\n if (partial) {\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_SEEK_OVER_HOLE,\n fatal: false,\n reason: `fragment loaded with buffer holes, seeking from ${currentTime} to ${targetTime}`,\n frag: partial\n });\n }\n return targetTime;\n }\n lastEndTime = media.buffered.end(i);\n }\n return 0;\n }\n\n /**\n * Attempts to fix buffer stalls by advancing the mediaElement's current time by a small amount.\n * @private\n */\n _tryNudgeBuffer () {\n const { config, hls, media } = this;\n const currentTime = media.currentTime;\n const nudgeRetry = (this.nudgeRetry || 0) + 1;\n this.nudgeRetry = nudgeRetry;\n\n if (nudgeRetry < config.nudgeMaxRetry) {\n const targetTime = currentTime + nudgeRetry * config.nudgeOffset;\n // playback stalled in buffered area ... let's nudge currentTime to try to overcome this\n logger.warn(`Nudging 'currentTime' from ${currentTime} to ${targetTime}`);\n media.currentTime = targetTime;\n\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_NUDGE_ON_STALL,\n fatal: false\n });\n } else {\n logger.error(`Playhead still not moving while enough data buffered @${currentTime} after ${config.nudgeMaxRetry} nudges`);\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_STALLED_ERROR,\n fatal: true\n });\n }\n }\n}\n","import EventHandler from './event-handler';\nimport Hls from './hls';\n\n/**\n * Sub-class specialization of EventHandler base class.\n *\n * TaskLoop allows to schedule a task function being called (optionnaly repeatedly) on the main loop,\n * scheduled asynchroneously, avoiding recursive calls in the same tick.\n *\n * The task itself is implemented in `doTick`. It can be requested and called for single execution\n * using the `tick` method.\n *\n * It will be assured that the task execution method (`tick`) only gets called once per main loop \"tick\",\n * no matter how often it gets requested for execution. Execution in further ticks will be scheduled accordingly.\n *\n * If further execution requests have already been scheduled on the next tick, it can be checked with `hasNextTick`,\n * and cancelled with `clearNextTick`.\n *\n * The task can be scheduled as an interval repeatedly with a period as parameter (see `setInterval`, `clearInterval`).\n *\n * Sub-classes need to implement the `doTick` method which will effectively have the task execution routine.\n *\n * Further explanations:\n *\n * The baseclass has a `tick` method that will schedule the doTick call. It may be called synchroneously\n * only for a stack-depth of one. On re-entrant calls, sub-sequent calls are scheduled for next main loop ticks.\n *\n * When the task execution (`tick` method) is called in re-entrant way this is detected and\n * we are limiting the task execution per call stack to exactly one, but scheduling/post-poning further\n * task processing on the next main loop iteration (also known as \"next tick\" in the Node/JS runtime lingo).\n */\n\nexport default class TaskLoop extends EventHandler {\n private readonly _boundTick: () => void;\n private _tickTimer: number | null = null;\n private _tickInterval: number | null = null;\n private _tickCallCount = 0;\n\n constructor (hls: Hls, ...events: string[]) {\n super(hls, ...events);\n this._boundTick = this.tick.bind(this);\n }\n\n /**\n * @override\n */\n protected onHandlerDestroying () {\n // clear all timers before unregistering from event bus\n this.clearNextTick();\n this.clearInterval();\n }\n\n /**\n * @returns {boolean}\n */\n public hasInterval (): boolean {\n return !!this._tickInterval;\n }\n\n /**\n * @returns {boolean}\n */\n public hasNextTick (): boolean {\n return !!this._tickTimer;\n }\n\n /**\n * @param {number} millis Interval time (ms)\n * @returns {boolean} True when interval has been scheduled, false when already scheduled (no effect)\n */\n public setInterval (millis: number): boolean {\n if (!this._tickInterval) {\n this._tickInterval = self.setInterval(this._boundTick, millis);\n return true;\n }\n return false;\n }\n\n /**\n * @returns {boolean} True when interval was cleared, false when none was set (no effect)\n */\n public clearInterval (): boolean {\n if (this._tickInterval) {\n self.clearInterval(this._tickInterval);\n this._tickInterval = null;\n return true;\n }\n return false;\n }\n\n /**\n * @returns {boolean} True when timeout was cleared, false when none was set (no effect)\n */\n public clearNextTick (): boolean {\n if (this._tickTimer) {\n self.clearTimeout(this._tickTimer);\n this._tickTimer = null;\n return true;\n }\n return false;\n }\n\n /**\n * Will call the subclass doTick implementation in this main loop tick\n * or in the next one (via setTimeout(,0)) in case it has already been called\n * in this tick (in case this is a re-entrant call).\n */\n public tick (): void {\n this._tickCallCount++;\n if (this._tickCallCount === 1) {\n this.doTick();\n // re-entrant call to tick from previous doTick call stack\n // -> schedule a call on the next main loop iteration to process this task processing request\n if (this._tickCallCount > 1) {\n // make sure only one timer exists at any time at max\n this.clearNextTick();\n this._tickTimer = self.setTimeout(this._boundTick, 0);\n }\n this._tickCallCount = 0;\n }\n }\n\n /**\n * For subclass to implement task logic\n * @abstract\n */\n protected doTick (): void {}\n}\n","import TaskLoop from '../task-loop';\nimport { FragmentState } from './fragment-tracker';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport { logger } from '../utils/logger';\n\nexport const State = {\n STOPPED: 'STOPPED',\n STARTING: 'STARTING',\n IDLE: 'IDLE',\n PAUSED: 'PAUSED',\n KEY_LOADING: 'KEY_LOADING',\n FRAG_LOADING: 'FRAG_LOADING',\n FRAG_LOADING_WAITING_RETRY: 'FRAG_LOADING_WAITING_RETRY',\n WAITING_TRACK: 'WAITING_TRACK',\n PARSING: 'PARSING',\n PARSED: 'PARSED',\n BUFFER_FLUSHING: 'BUFFER_FLUSHING',\n ENDED: 'ENDED',\n ERROR: 'ERROR',\n WAITING_INIT_PTS: 'WAITING_INIT_PTS',\n WAITING_LEVEL: 'WAITING_LEVEL'\n};\n\nexport default class BaseStreamController extends TaskLoop {\n doTick () {}\n\n startLoad () {}\n\n stopLoad () {\n let frag = this.fragCurrent;\n if (frag) {\n if (frag.loader) {\n frag.loader.abort();\n }\n this.fragmentTracker.removeFragment(frag);\n }\n if (this.demuxer) {\n this.demuxer.destroy();\n this.demuxer = null;\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n this.clearInterval();\n this.clearNextTick();\n this.state = State.STOPPED;\n }\n\n _streamEnded (bufferInfo, levelDetails) {\n const { fragCurrent, fragmentTracker } = this;\n // we just got done loading the final fragment and there is no other buffered range after ...\n // rationale is that in case there are any buffered ranges after, it means that there are unbuffered portion in between\n // so we should not switch to ENDED in that case, to be able to buffer them\n // dont switch to ENDED if we need to backtrack last fragment\n if (!levelDetails.live && fragCurrent && !fragCurrent.backtracked && fragCurrent.sn === levelDetails.endSN && !bufferInfo.nextStart) {\n const fragState = fragmentTracker.getState(fragCurrent);\n return fragState === FragmentState.PARTIAL || fragState === FragmentState.OK;\n }\n return false;\n }\n\n onMediaSeeking () {\n const { config, media, mediaBuffer, state } = this;\n const currentTime = media ? media.currentTime : null;\n const bufferInfo = BufferHelper.bufferInfo(mediaBuffer || media, currentTime, this.config.maxBufferHole);\n\n if (Number.isFinite(currentTime)) {\n logger.log(`media seeking to ${currentTime.toFixed(3)}`);\n }\n\n if (state === State.FRAG_LOADING) {\n let fragCurrent = this.fragCurrent;\n // check if we are seeking to a unbuffered area AND if frag loading is in progress\n if (bufferInfo.len === 0 && fragCurrent) {\n const tolerance = config.maxFragLookUpTolerance;\n const fragStartOffset = fragCurrent.start - tolerance;\n const fragEndOffset = fragCurrent.start + fragCurrent.duration + tolerance;\n // check if we seek position will be out of currently loaded frag range : if out cancel frag load, if in, don't do anything\n if (currentTime < fragStartOffset || currentTime > fragEndOffset) {\n if (fragCurrent.loader) {\n logger.log('seeking outside of buffer while fragment load in progress, cancel fragment load');\n fragCurrent.loader.abort();\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n // switch to IDLE state to load new fragment\n this.state = State.IDLE;\n } else {\n logger.log('seeking outside of buffer but within currently loaded fragment range');\n }\n }\n } else if (state === State.ENDED) {\n // if seeking to unbuffered area, clean up fragPrevious\n if (bufferInfo.len === 0) {\n this.fragPrevious = null;\n this.fragCurrent = null;\n }\n\n // switch to IDLE state to check for potential new fragment\n this.state = State.IDLE;\n }\n if (media) {\n this.lastCurrentTime = currentTime;\n }\n\n // in case seeking occurs although no media buffered, adjust startPosition and nextLoadPosition to seek target\n if (!this.loadedmetadata) {\n this.nextLoadPosition = this.startPosition = currentTime;\n }\n\n // tick to speed up processing\n this.tick();\n }\n\n onMediaEnded () {\n // reset startPosition and lastCurrentTime to restart playback @ stream beginning\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n onHandlerDestroying () {\n this.stopLoad();\n super.onHandlerDestroying();\n }\n\n onHandlerDestroyed () {\n this.state = State.STOPPED;\n this.fragmentTracker = null;\n }\n\n computeLivePosition (sliding, levelDetails) {\n let targetLatency = this.config.liveSyncDuration !== undefined ? this.config.liveSyncDuration : this.config.liveSyncDurationCount * levelDetails.targetduration;\n return sliding + Math.max(0, levelDetails.totalduration - targetLatency);\n }\n}\n","/*\n * Stream Controller\n*/\n\nimport BinarySearch from '../utils/binary-search';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport Demuxer from '../demux/demuxer';\nimport Event from '../events';\nimport { FragmentState } from './fragment-tracker';\nimport { ElementaryStreamTypes } from '../loader/fragment';\nimport { PlaylistLevelType } from '../types/loader';\nimport * as LevelHelper from './level-helper';\nimport TimeRanges from '../utils/time-ranges';\nimport { ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport { alignStream } from '../utils/discontinuities';\nimport { findFragmentByPDT, findFragmentByPTS } from './fragment-finders';\nimport GapController from './gap-controller';\nimport BaseStreamController, { State } from './base-stream-controller';\n\nconst TICK_INTERVAL = 100; // how often to tick in ms\n\nclass StreamController extends BaseStreamController {\n constructor (hls, fragmentTracker) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.MANIFEST_LOADING,\n Event.MANIFEST_PARSED,\n Event.LEVEL_LOADED,\n Event.KEY_LOADED,\n Event.FRAG_LOADED,\n Event.FRAG_LOAD_EMERGENCY_ABORTED,\n Event.FRAG_PARSING_INIT_SEGMENT,\n Event.FRAG_PARSING_DATA,\n Event.FRAG_PARSED,\n Event.ERROR,\n Event.AUDIO_TRACK_SWITCHING,\n Event.AUDIO_TRACK_SWITCHED,\n Event.BUFFER_CREATED,\n Event.BUFFER_APPENDED,\n Event.BUFFER_FLUSHED);\n\n this.fragmentTracker = fragmentTracker;\n this.config = hls.config;\n this.audioCodecSwap = false;\n this._state = State.STOPPED;\n this.stallReported = false;\n this.gapController = null;\n this.altAudio = false;\n }\n\n startLoad (startPosition) {\n if (this.levels) {\n let lastCurrentTime = this.lastCurrentTime, hls = this.hls;\n this.stopLoad();\n this.setInterval(TICK_INTERVAL);\n this.level = -1;\n this.fragLoadError = 0;\n if (!this.startFragRequested) {\n // determine load level\n let startLevel = hls.startLevel;\n if (startLevel === -1) {\n // -1 : guess start Level by doing a bitrate test by loading first fragment of lowest quality level\n startLevel = 0;\n this.bitrateTest = true;\n }\n // set new level to playlist loader : this will trigger start level load\n // hls.nextLoadLevel remains until it is set to a new value or until a new frag is successfully loaded\n this.level = hls.nextLoadLevel = startLevel;\n this.loadedmetadata = false;\n }\n // if startPosition undefined but lastCurrentTime set, set startPosition to last currentTime\n if (lastCurrentTime > 0 && startPosition === -1) {\n logger.log(`override startPosition with lastCurrentTime @${lastCurrentTime.toFixed(3)}`);\n startPosition = lastCurrentTime;\n }\n this.state = State.IDLE;\n this.nextLoadPosition = this.startPosition = this.lastCurrentTime = startPosition;\n this.tick();\n } else {\n this.forceStartLoad = true;\n this.state = State.STOPPED;\n }\n }\n\n stopLoad () {\n this.forceStartLoad = false;\n super.stopLoad();\n }\n\n doTick () {\n switch (this.state) {\n case State.BUFFER_FLUSHING:\n // in buffer flushing state, reset fragLoadError counter\n this.fragLoadError = 0;\n break;\n case State.IDLE:\n this._doTickIdle();\n break;\n case State.WAITING_LEVEL:\n var level = this.levels[this.level];\n // check if playlist is already loaded\n if (level && level.details) {\n this.state = State.IDLE;\n }\n\n break;\n case State.FRAG_LOADING_WAITING_RETRY:\n var now = window.performance.now();\n var retryDate = this.retryDate;\n // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading\n if (!retryDate || (now >= retryDate) || (this.media && this.media.seeking)) {\n logger.log('mediaController: retryDate reached, switch back to IDLE state');\n this.state = State.IDLE;\n }\n break;\n case State.ERROR:\n case State.STOPPED:\n case State.FRAG_LOADING:\n case State.PARSING:\n case State.PARSED:\n case State.ENDED:\n break;\n default:\n break;\n }\n // check buffer\n this._checkBuffer();\n // check/update current fragment\n this._checkFragmentChanged();\n }\n\n // Ironically the \"idle\" state is the on we do the most logic in it seems ....\n // NOTE: Maybe we could rather schedule a check for buffer length after half of the currently\n // played segment, or on pause/play/seek instead of naively checking every 100ms?\n _doTickIdle () {\n const hls = this.hls,\n config = hls.config,\n media = this.media;\n\n // if start level not parsed yet OR\n // if video not attached AND start fragment already requested OR start frag prefetch disable\n // exit loop, as we either need more info (level not parsed) or we need media to be attached to load new fragment\n if (this.levelLastLoaded === undefined || (\n !media && (this.startFragRequested || !config.startFragPrefetch))) {\n return;\n }\n\n // if we have not yet loaded any fragment, start loading from start position\n let pos;\n if (this.loadedmetadata) {\n pos = media.currentTime;\n } else {\n pos = this.nextLoadPosition;\n }\n\n // determine next load level\n let level = hls.nextLoadLevel,\n levelInfo = this.levels[level];\n\n if (!levelInfo) {\n return;\n }\n\n let levelBitrate = levelInfo.bitrate,\n maxBufLen;\n\n // compute max Buffer Length that we could get from this load level, based on level bitrate.\n if (levelBitrate) {\n maxBufLen = Math.max(8 * config.maxBufferSize / levelBitrate, config.maxBufferLength);\n } else {\n maxBufLen = config.maxBufferLength;\n }\n\n maxBufLen = Math.min(maxBufLen, config.maxMaxBufferLength);\n\n // determine next candidate fragment to be loaded, based on current position and end of buffer position\n // ensure up to `config.maxMaxBufferLength` of buffer upfront\n\n const bufferInfo = BufferHelper.bufferInfo(this.mediaBuffer ? this.mediaBuffer : media, pos, config.maxBufferHole),\n bufferLen = bufferInfo.len;\n // Stay idle if we are still with buffer margins\n if (bufferLen >= maxBufLen) {\n return;\n }\n\n // if buffer length is less than maxBufLen try to load a new fragment ...\n logger.trace(`buffer length of ${bufferLen.toFixed(3)} is below max of ${maxBufLen.toFixed(3)}. checking for more payload ...`);\n\n // set next load level : this will trigger a playlist load if needed\n this.level = hls.nextLoadLevel = level;\n\n const levelDetails = levelInfo.details;\n // if level info not retrieved yet, switch state and wait for level retrieval\n // if live playlist, ensure that new playlist has been refreshed to avoid loading/try to load\n // a useless and outdated fragment (that might even introduce load error if it is already out of the live playlist)\n if (!levelDetails || (levelDetails.live && this.levelLastLoaded !== level)) {\n this.state = State.WAITING_LEVEL;\n return;\n }\n\n if (this._streamEnded(bufferInfo, levelDetails)) {\n const data = {};\n if (this.altAudio) {\n data.type = 'video';\n }\n\n this.hls.trigger(Event.BUFFER_EOS, data);\n this.state = State.ENDED;\n return;\n }\n // if we have the levelDetails for the selected variant, lets continue enrichen our stream (load keys/fragments or trigger EOS, etc..)\n this._fetchPayloadOrEos(pos, bufferInfo, levelDetails);\n }\n\n _fetchPayloadOrEos (pos, bufferInfo, levelDetails) {\n const fragPrevious = this.fragPrevious,\n level = this.level,\n fragments = levelDetails.fragments,\n fragLen = fragments.length;\n\n // empty playlist\n if (fragLen === 0) {\n return;\n }\n\n // find fragment index, contiguous with end of buffer position\n let start = fragments[0].start,\n end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration,\n bufferEnd = bufferInfo.end,\n frag;\n\n if (levelDetails.initSegment && !levelDetails.initSegment.data) {\n frag = levelDetails.initSegment;\n } else {\n // in case of live playlist we need to ensure that requested position is not located before playlist start\n if (levelDetails.live) {\n let initialLiveManifestSize = this.config.initialLiveManifestSize;\n if (fragLen < initialLiveManifestSize) {\n logger.warn(`Can not start playback of a level, reason: not enough fragments ${fragLen} < ${initialLiveManifestSize}`);\n return;\n }\n\n frag = this._ensureFragmentAtLivePoint(levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen);\n // if it explicitely returns null don't load any fragment and exit function now\n if (frag === null) {\n return;\n }\n } else {\n // VoD playlist: if bufferEnd before start of playlist, load first fragment\n if (bufferEnd < start) {\n frag = fragments[0];\n }\n }\n }\n if (!frag) {\n frag = this._findFragment(start, fragPrevious, fragLen, fragments, bufferEnd, end, levelDetails);\n }\n\n if (frag) {\n if (frag.encrypted) {\n logger.log(`Loading key for ${frag.sn} of [${levelDetails.startSN} ,${levelDetails.endSN}],level ${level}`);\n this._loadKey(frag);\n } else {\n logger.log(`Loading ${frag.sn} of [${levelDetails.startSN} ,${levelDetails.endSN}],level ${level}, currentTime:${pos.toFixed(3)},bufferEnd:${bufferEnd.toFixed(3)}`);\n this._loadFragment(frag);\n }\n }\n }\n\n _ensureFragmentAtLivePoint (levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen) {\n const config = this.hls.config, media = this.media;\n\n let frag;\n\n // check if requested position is within seekable boundaries :\n // logger.log(`start/pos/bufEnd/seeking:${start.toFixed(3)}/${pos.toFixed(3)}/${bufferEnd.toFixed(3)}/${this.media.seeking}`);\n let maxLatency = config.liveMaxLatencyDuration !== undefined ? config.liveMaxLatencyDuration : config.liveMaxLatencyDurationCount * levelDetails.targetduration;\n\n if (bufferEnd < Math.max(start - config.maxFragLookUpTolerance, end - maxLatency)) {\n let liveSyncPosition = this.liveSyncPosition = this.computeLivePosition(start, levelDetails);\n bufferEnd = liveSyncPosition;\n if (media && !media.paused && media.readyState && media.duration > liveSyncPosition && liveSyncPosition > media.currentTime) {\n logger.log(`buffer end: ${bufferEnd.toFixed(3)} is located too far from the end of live sliding playlist, reset currentTime to : ${liveSyncPosition.toFixed(3)}`);\n media.currentTime = liveSyncPosition;\n }\n\n this.nextLoadPosition = liveSyncPosition;\n }\n\n // if end of buffer greater than live edge, don't load any fragment\n // this could happen if live playlist intermittently slides in the past.\n // level 1 loaded [182580161,182580167]\n // level 1 loaded [182580162,182580169]\n // Loading 182580168 of [182580162 ,182580169],level 1 ..\n // Loading 182580169 of [182580162 ,182580169],level 1 ..\n // level 1 loaded [182580162,182580168] <============= here we should have bufferEnd > end. in that case break to avoid reloading 182580168\n // level 1 loaded [182580164,182580171]\n //\n // don't return null in case media not loaded yet (readystate === 0)\n if (levelDetails.PTSKnown && bufferEnd > end && media && media.readyState) {\n return null;\n }\n\n if (this.startFragRequested && !levelDetails.PTSKnown) {\n /* we are switching level on live playlist, but we don't have any PTS info for that quality level ...\n try to load frag matching with next SN.\n even if SN are not synchronized between playlists, loading this frag will help us\n compute playlist sliding and find the right one after in case it was not the right consecutive one */\n if (fragPrevious) {\n if (levelDetails.hasProgramDateTime) {\n // Relies on PDT in order to switch bitrates (Support EXT-X-DISCONTINUITY without EXT-X-DISCONTINUITY-SEQUENCE)\n logger.log(`live playlist, switching playlist, load frag with same PDT: ${fragPrevious.programDateTime}`);\n frag = findFragmentByPDT(fragments, fragPrevious.endProgramDateTime, config.maxFragLookUpTolerance);\n } else {\n // Uses buffer and sequence number to calculate switch segment (required if using EXT-X-DISCONTINUITY-SEQUENCE)\n const targetSN = fragPrevious.sn + 1;\n if (targetSN >= levelDetails.startSN && targetSN <= levelDetails.endSN) {\n const fragNext = fragments[targetSN - levelDetails.startSN];\n if (fragPrevious.cc === fragNext.cc) {\n frag = fragNext;\n logger.log(`live playlist, switching playlist, load frag with next SN: ${frag.sn}`);\n }\n }\n // next frag SN not available (or not with same continuity counter)\n // look for a frag sharing the same CC\n if (!frag) {\n frag = BinarySearch.search(fragments, function (frag) {\n return fragPrevious.cc - frag.cc;\n });\n if (frag) {\n logger.log(`live playlist, switching playlist, load frag with same CC: ${frag.sn}`);\n }\n }\n }\n }\n if (!frag) {\n /* we have no idea about which fragment should be loaded.\n so let's load mid fragment. it will help computing playlist sliding and find the right one\n */\n frag = fragments[Math.min(fragLen - 1, Math.round(fragLen / 2))];\n logger.log(`live playlist, switching playlist, unknown, load middle frag : ${frag.sn}`);\n }\n }\n\n return frag;\n }\n\n _findFragment (start, fragPreviousLoad, fragmentIndexRange, fragments, bufferEnd, end, levelDetails) {\n const config = this.hls.config;\n let fragNextLoad;\n\n if (bufferEnd < end) {\n const lookupTolerance = (bufferEnd > end - config.maxFragLookUpTolerance) ? 0 : config.maxFragLookUpTolerance;\n // Remove the tolerance if it would put the bufferEnd past the actual end of stream\n // Uses buffer and sequence number to calculate switch segment (required if using EXT-X-DISCONTINUITY-SEQUENCE)\n fragNextLoad = findFragmentByPTS(fragPreviousLoad, fragments, bufferEnd, lookupTolerance);\n } else {\n // reach end of playlist\n fragNextLoad = fragments[fragmentIndexRange - 1];\n }\n\n if (fragNextLoad) {\n const curSNIdx = fragNextLoad.sn - levelDetails.startSN;\n const sameLevel = fragPreviousLoad && fragNextLoad.level === fragPreviousLoad.level;\n const prevSnFrag = fragments[curSNIdx - 1];\n const nextSnFrag = fragments[curSNIdx + 1];\n\n // logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn);\n if (fragPreviousLoad && fragNextLoad.sn === fragPreviousLoad.sn) {\n if (sameLevel && !fragNextLoad.backtracked) {\n if (fragNextLoad.sn < levelDetails.endSN) {\n let deltaPTS = fragPreviousLoad.deltaPTS;\n // if there is a significant delta between audio and video, larger than max allowed hole,\n // and if previous remuxed fragment did not start with a keyframe. (fragPrevious.dropped)\n // let's try to load previous fragment again to get last keyframe\n // then we will reload again current fragment (that way we should be able to fill the buffer hole ...)\n if (deltaPTS && deltaPTS > config.maxBufferHole && fragPreviousLoad.dropped && curSNIdx) {\n fragNextLoad = prevSnFrag;\n logger.warn('Previous fragment was dropped with large PTS gap between audio and video. Maybe fragment is not starting with a keyframe? Loading previous one to try to overcome this');\n } else {\n fragNextLoad = nextSnFrag;\n logger.log(`Re-loading fragment with SN: ${fragNextLoad.sn}`);\n }\n } else {\n fragNextLoad = null;\n }\n } else if (fragNextLoad.backtracked) {\n // Only backtrack a max of 1 consecutive fragment to prevent sliding back too far when little or no frags start with keyframes\n if (nextSnFrag && nextSnFrag.backtracked) {\n logger.warn(`Already backtracked from fragment ${nextSnFrag.sn}, will not backtrack to fragment ${fragNextLoad.sn}. Loading fragment ${nextSnFrag.sn}`);\n fragNextLoad = nextSnFrag;\n } else {\n // If a fragment has dropped frames and it's in a same level/sequence, load the previous fragment to try and find the keyframe\n // Reset the dropped count now since it won't be reset until we parse the fragment again, which prevents infinite backtracking on the same segment\n logger.warn('Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe');\n fragNextLoad.dropped = 0;\n if (prevSnFrag) {\n fragNextLoad = prevSnFrag;\n fragNextLoad.backtracked = true;\n } else if (curSNIdx) {\n // can't backtrack on very first fragment\n fragNextLoad = null;\n }\n }\n }\n }\n }\n\n return fragNextLoad;\n }\n\n _loadKey (frag) {\n this.state = State.KEY_LOADING;\n this.hls.trigger(Event.KEY_LOADING, { frag });\n }\n\n _loadFragment (frag) {\n // Check if fragment is not loaded\n let fragState = this.fragmentTracker.getState(frag);\n\n this.fragCurrent = frag;\n if (frag.sn !== 'initSegment') {\n this.startFragRequested = true;\n }\n // Don't update nextLoadPosition for fragments which are not buffered\n if (Number.isFinite(frag.sn) && !frag.bitrateTest) {\n this.nextLoadPosition = frag.start + frag.duration;\n }\n\n // Allow backtracked fragments to load\n if (frag.backtracked || fragState === FragmentState.NOT_LOADED || fragState === FragmentState.PARTIAL) {\n frag.autoLevel = this.hls.autoLevelEnabled;\n frag.bitrateTest = this.bitrateTest;\n\n this.hls.trigger(Event.FRAG_LOADING, { frag });\n // lazy demuxer init, as this could take some time ... do it during frag loading\n if (!this.demuxer) {\n this.demuxer = new Demuxer(this.hls, 'main');\n }\n\n this.state = State.FRAG_LOADING;\n } else if (fragState === FragmentState.APPENDING) {\n // Lower the buffer size and try again\n if (this._reduceMaxBufferLength(frag.duration)) {\n this.fragmentTracker.removeFragment(frag);\n }\n }\n }\n\n set state (nextState) {\n if (this.state !== nextState) {\n const previousState = this.state;\n this._state = nextState;\n logger.log(`main stream-controller: ${previousState}->${nextState}`);\n this.hls.trigger(Event.STREAM_STATE_TRANSITION, { previousState, nextState });\n }\n }\n\n get state () {\n return this._state;\n }\n\n getBufferedFrag (position) {\n return this.fragmentTracker.getBufferedFrag(position, PlaylistLevelType.MAIN);\n }\n\n get currentLevel () {\n let media = this.media;\n if (media) {\n const frag = this.getBufferedFrag(media.currentTime);\n if (frag) {\n return frag.level;\n }\n }\n return -1;\n }\n\n get nextBufferedFrag () {\n let media = this.media;\n if (media) {\n // first get end range of current fragment\n return this.followingBufferedFrag(this.getBufferedFrag(media.currentTime));\n } else {\n return null;\n }\n }\n\n followingBufferedFrag (frag) {\n if (frag) {\n // try to get range of next fragment (500ms after this range)\n return this.getBufferedFrag(frag.endPTS + 0.5);\n }\n return null;\n }\n\n get nextLevel () {\n const frag = this.nextBufferedFrag;\n if (frag) {\n return frag.level;\n } else {\n return -1;\n }\n }\n\n _checkFragmentChanged () {\n let fragPlayingCurrent, currentTime, video = this.media;\n if (video && video.readyState && video.seeking === false) {\n currentTime = video.currentTime;\n /* if video element is in seeked state, currentTime can only increase.\n (assuming that playback rate is positive ...)\n As sometimes currentTime jumps back to zero after a\n media decode error, check this, to avoid seeking back to\n wrong position after a media decode error\n */\n if (currentTime > this.lastCurrentTime) {\n this.lastCurrentTime = currentTime;\n }\n\n if (BufferHelper.isBuffered(video, currentTime)) {\n fragPlayingCurrent = this.getBufferedFrag(currentTime);\n } else if (BufferHelper.isBuffered(video, currentTime + 0.1)) {\n /* ensure that FRAG_CHANGED event is triggered at startup,\n when first video frame is displayed and playback is paused.\n add a tolerance of 100ms, in case current position is not buffered,\n check if current pos+100ms is buffered and use that buffer range\n for FRAG_CHANGED event reporting */\n fragPlayingCurrent = this.getBufferedFrag(currentTime + 0.1);\n }\n if (fragPlayingCurrent) {\n let fragPlaying = fragPlayingCurrent;\n if (fragPlaying !== this.fragPlaying) {\n this.hls.trigger(Event.FRAG_CHANGED, { frag: fragPlaying });\n const fragPlayingLevel = fragPlaying.level;\n if (!this.fragPlaying || this.fragPlaying.level !== fragPlayingLevel) {\n this.hls.trigger(Event.LEVEL_SWITCHED, { level: fragPlayingLevel });\n }\n\n this.fragPlaying = fragPlaying;\n }\n }\n }\n }\n\n /*\n on immediate level switch :\n - pause playback if playing\n - cancel any pending load request\n - and trigger a buffer flush\n */\n immediateLevelSwitch () {\n logger.log('immediateLevelSwitch');\n if (!this.immediateSwitch) {\n this.immediateSwitch = true;\n let media = this.media, previouslyPaused;\n if (media) {\n previouslyPaused = media.paused;\n media.pause();\n } else {\n // don't restart playback after instant level switch in case media not attached\n previouslyPaused = true;\n }\n this.previouslyPaused = previouslyPaused;\n }\n let fragCurrent = this.fragCurrent;\n if (fragCurrent && fragCurrent.loader) {\n fragCurrent.loader.abort();\n }\n\n this.fragCurrent = null;\n // flush everything\n this.flushMainBuffer(0, Number.POSITIVE_INFINITY);\n }\n\n /**\n * on immediate level switch end, after new fragment has been buffered:\n * - nudge video decoder by slightly adjusting video currentTime (if currentTime buffered)\n * - resume the playback if needed\n */\n immediateLevelSwitchEnd () {\n const media = this.media;\n if (media && media.buffered.length) {\n this.immediateSwitch = false;\n if (BufferHelper.isBuffered(media, media.currentTime)) {\n // only nudge if currentTime is buffered\n media.currentTime -= 0.0001;\n }\n if (!this.previouslyPaused) {\n media.play();\n }\n }\n }\n\n /**\n * try to switch ASAP without breaking video playback:\n * in order to ensure smooth but quick level switching,\n * we need to find the next flushable buffer range\n * we should take into account new segment fetch time\n */\n nextLevelSwitch () {\n const media = this.media;\n // ensure that media is defined and that metadata are available (to retrieve currentTime)\n if (media && media.readyState) {\n let fetchdelay, fragPlayingCurrent, nextBufferedFrag;\n fragPlayingCurrent = this.getBufferedFrag(media.currentTime);\n if (fragPlayingCurrent && fragPlayingCurrent.startPTS > 1) {\n // flush buffer preceding current fragment (flush until current fragment start offset)\n // minus 1s to avoid video freezing, that could happen if we flush keyframe of current video ...\n this.flushMainBuffer(0, fragPlayingCurrent.startPTS - 1);\n }\n if (!media.paused) {\n // add a safety delay of 1s\n let nextLevelId = this.hls.nextLoadLevel, nextLevel = this.levels[nextLevelId], fragLastKbps = this.fragLastKbps;\n if (fragLastKbps && this.fragCurrent) {\n fetchdelay = this.fragCurrent.duration * nextLevel.bitrate / (1000 * fragLastKbps) + 1;\n } else {\n fetchdelay = 0;\n }\n } else {\n fetchdelay = 0;\n }\n // logger.log('fetchdelay:'+fetchdelay);\n // find buffer range that will be reached once new fragment will be fetched\n nextBufferedFrag = this.getBufferedFrag(media.currentTime + fetchdelay);\n if (nextBufferedFrag) {\n // we can flush buffer range following this one without stalling playback\n nextBufferedFrag = this.followingBufferedFrag(nextBufferedFrag);\n if (nextBufferedFrag) {\n // if we are here, we can also cancel any loading/demuxing in progress, as they are useless\n let fragCurrent = this.fragCurrent;\n if (fragCurrent && fragCurrent.loader) {\n fragCurrent.loader.abort();\n }\n\n this.fragCurrent = null;\n // start flush position is the start PTS of next buffered frag.\n // we use frag.naxStartPTS which is max(audio startPTS, video startPTS).\n // in case there is a small PTS Delta between audio and video, using maxStartPTS avoids flushing last samples from current fragment\n this.flushMainBuffer(nextBufferedFrag.maxStartPTS, Number.POSITIVE_INFINITY);\n }\n }\n }\n }\n\n flushMainBuffer (startOffset, endOffset) {\n this.state = State.BUFFER_FLUSHING;\n let flushScope = { startOffset: startOffset, endOffset: endOffset };\n // if alternate audio tracks are used, only flush video, otherwise flush everything\n if (this.altAudio) {\n flushScope.type = 'video';\n }\n\n this.hls.trigger(Event.BUFFER_FLUSHING, flushScope);\n }\n\n onMediaAttached (data) {\n let media = this.media = this.mediaBuffer = data.media;\n this.onvseeking = this.onMediaSeeking.bind(this);\n this.onvseeked = this.onMediaSeeked.bind(this);\n this.onvended = this.onMediaEnded.bind(this);\n media.addEventListener('seeking', this.onvseeking);\n media.addEventListener('seeked', this.onvseeked);\n media.addEventListener('ended', this.onvended);\n let config = this.config;\n if (this.levels && config.autoStartLoad) {\n this.hls.startLoad(config.startPosition);\n }\n\n this.gapController = new GapController(config, media, this.fragmentTracker, this.hls);\n }\n\n onMediaDetaching () {\n let media = this.media;\n if (media && media.ended) {\n logger.log('MSE detaching and video ended, reset startPosition');\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n // reset fragment backtracked flag\n let levels = this.levels;\n if (levels) {\n levels.forEach(level => {\n if (level.details) {\n level.details.fragments.forEach(fragment => {\n fragment.backtracked = undefined;\n });\n }\n });\n }\n\n // remove video listeners\n if (media) {\n media.removeEventListener('seeking', this.onvseeking);\n media.removeEventListener('seeked', this.onvseeked);\n media.removeEventListener('ended', this.onvended);\n this.onvseeking = this.onvseeked = this.onvended = null;\n }\n\n this.fragmentTracker.removeAllFragments();\n this.media = this.mediaBuffer = null;\n this.loadedmetadata = false;\n this.stopLoad();\n }\n\n onMediaSeeked () {\n const media = this.media;\n const currentTime = media ? media.currentTime : undefined;\n const { seekWithinTolerance } = this.config;\n\n // We are not firing Event.CAN_PLAY_AFTER_SEEK only if we are seeking again to reach buffered fragment.\n if (!seekWithinTolerance || !this.gapController.seekWithinToleranceIfNeeded()) {\n this.hls.trigger(Event.CAN_PLAY_AFTER_SEEK);\n }\n\n if (Number.isFinite(currentTime)) {\n logger.log(`media seeked to ${currentTime.toFixed(3)}`);\n }\n\n // tick to speed up FRAGMENT_PLAYING triggering\n this.tick();\n }\n\n onManifestLoading () {\n // reset buffer on manifest loading\n logger.log('trigger BUFFER_RESET');\n this.hls.trigger(Event.BUFFER_RESET);\n this.fragmentTracker.removeAllFragments();\n this.stalled = false;\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n onManifestParsed (data) {\n let aac = false, heaac = false, codec;\n data.levels.forEach(level => {\n // detect if we have different kind of audio codecs used amongst playlists\n codec = level.audioCodec;\n if (codec) {\n if (codec.indexOf('mp4a.40.2') !== -1) {\n aac = true;\n }\n\n if (codec.indexOf('mp4a.40.5') !== -1) {\n heaac = true;\n }\n }\n });\n this.audioCodecSwitch = (aac && heaac);\n if (this.audioCodecSwitch) {\n logger.log('both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC');\n }\n\n this.altAudio = data.altAudio;\n this.levels = data.levels;\n this.startFragRequested = false;\n let config = this.config;\n if (config.autoStartLoad || this.forceStartLoad) {\n this.hls.startLoad(config.startPosition);\n }\n }\n\n onLevelLoaded (data) {\n const newDetails = data.details;\n const newLevelId = data.level;\n const lastLevel = this.levels[this.levelLastLoaded];\n const curLevel = this.levels[newLevelId];\n const duration = newDetails.totalduration;\n let sliding = 0;\n\n logger.log(`level ${newLevelId} loaded [${newDetails.startSN},${newDetails.endSN}],duration:${duration}`);\n\n if (newDetails.live) {\n let curDetails = curLevel.details;\n if (curDetails && newDetails.fragments.length > 0) {\n // we already have details for that level, merge them\n LevelHelper.mergeDetails(curDetails, newDetails);\n sliding = newDetails.fragments[0].start;\n this.liveSyncPosition = this.computeLivePosition(sliding, curDetails);\n if (newDetails.PTSKnown && Number.isFinite(sliding)) {\n logger.log(`live playlist sliding:${sliding.toFixed(3)}`);\n } else {\n logger.log('live playlist - outdated PTS, unknown sliding');\n alignStream(this.fragPrevious, lastLevel, newDetails);\n }\n } else {\n logger.log('live playlist - first load, unknown sliding');\n newDetails.PTSKnown = false;\n alignStream(this.fragPrevious, lastLevel, newDetails);\n }\n } else {\n newDetails.PTSKnown = false;\n }\n // override level info\n curLevel.details = newDetails;\n this.levelLastLoaded = newLevelId;\n this.hls.trigger(Event.LEVEL_UPDATED, { details: newDetails, level: newLevelId });\n\n if (this.startFragRequested === false) {\n // compute start position if set to -1. use it straight away if value is defined\n if (this.startPosition === -1 || this.lastCurrentTime === -1) {\n // first, check if start time offset has been set in playlist, if yes, use this value\n let startTimeOffset = newDetails.startTimeOffset;\n if (Number.isFinite(startTimeOffset)) {\n if (startTimeOffset < 0) {\n logger.log(`negative start time offset ${startTimeOffset}, count from end of last fragment`);\n startTimeOffset = sliding + duration + startTimeOffset;\n }\n logger.log(`start time offset found in playlist, adjust startPosition to ${startTimeOffset}`);\n this.startPosition = startTimeOffset;\n } else {\n // if live playlist, set start position to be fragment N-this.config.liveSyncDurationCount (usually 3)\n if (newDetails.live) {\n this.startPosition = this.computeLivePosition(sliding, newDetails);\n logger.log(`configure startPosition to ${this.startPosition}`);\n } else {\n this.startPosition = 0;\n }\n }\n this.lastCurrentTime = this.startPosition;\n }\n this.nextLoadPosition = this.startPosition;\n }\n // only switch batck to IDLE state if we were waiting for level to start downloading a new fragment\n if (this.state === State.WAITING_LEVEL) {\n this.state = State.IDLE;\n }\n\n // trigger handler right now\n this.tick();\n }\n\n onKeyLoaded () {\n if (this.state === State.KEY_LOADING) {\n this.state = State.IDLE;\n this.tick();\n }\n }\n\n onFragLoaded (data) {\n const { fragCurrent, hls, levels, media } = this;\n const fragLoaded = data.frag;\n if (this.state === State.FRAG_LOADING &&\n fragCurrent &&\n fragLoaded.type === 'main' &&\n fragLoaded.level === fragCurrent.level &&\n fragLoaded.sn === fragCurrent.sn) {\n const stats = data.stats;\n const currentLevel = levels[fragCurrent.level];\n const details = currentLevel.details;\n // reset frag bitrate test in any case after frag loaded event\n // if this frag was loaded to perform a bitrate test AND if hls.nextLoadLevel is greater than 0\n // then this means that we should be able to load a fragment at a higher quality level\n this.bitrateTest = false;\n this.stats = stats;\n\n logger.log(`Loaded ${fragCurrent.sn} of [${details.startSN} ,${details.endSN}],level ${fragCurrent.level}`);\n if (fragLoaded.bitrateTest && hls.nextLoadLevel) {\n // switch back to IDLE state ... we just loaded a fragment to determine adequate start bitrate and initialize autoswitch algo\n this.state = State.IDLE;\n this.startFragRequested = false;\n stats.tparsed = stats.tbuffered = window.performance.now();\n hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'main' });\n this.tick();\n } else if (fragLoaded.sn === 'initSegment') {\n this.state = State.IDLE;\n stats.tparsed = stats.tbuffered = window.performance.now();\n details.initSegment.data = data.payload;\n hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'main' });\n this.tick();\n } else {\n logger.log(`Parsing ${fragCurrent.sn} of [${details.startSN} ,${details.endSN}],level ${fragCurrent.level}, cc ${fragCurrent.cc}`);\n this.state = State.PARSING;\n this.pendingBuffering = true;\n this.appended = false;\n\n // Bitrate test frags are not usually buffered so the fragment tracker ignores them. If Hls.js decides to buffer\n // it (and therefore ends up at this line), then the fragment tracker needs to be manually informed.\n if (fragLoaded.bitrateTest) {\n fragLoaded.bitrateTest = false;\n this.fragmentTracker.onFragLoaded({\n frag: fragLoaded\n });\n }\n\n // time Offset is accurate if level PTS is known, or if playlist is not sliding (not live) and if media is not seeking (this is to overcome potential timestamp drifts between playlists and fragments)\n const accurateTimeOffset = !(media && media.seeking) && (details.PTSKnown || !details.live);\n const initSegmentData = details.initSegment ? details.initSegment.data : [];\n const audioCodec = this._getAudioCodec(currentLevel);\n\n // transmux the MPEG-TS data to ISO-BMFF segments\n const demuxer = this.demuxer = this.demuxer || new Demuxer(this.hls, 'main');\n demuxer.push(\n data.payload,\n initSegmentData,\n audioCodec,\n currentLevel.videoCodec,\n fragCurrent,\n details.totalduration,\n accurateTimeOffset\n );\n }\n }\n this.fragLoadError = 0;\n }\n\n onFragParsingInitSegment (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n let tracks = data.tracks, trackName, track;\n\n // if audio track is expected to come from audio stream controller, discard any coming from main\n if (tracks.audio && this.altAudio) {\n delete tracks.audio;\n }\n\n // include levelCodec in audio and video tracks\n track = tracks.audio;\n if (track) {\n let audioCodec = this.levels[this.level].audioCodec,\n ua = navigator.userAgent.toLowerCase();\n if (audioCodec && this.audioCodecSwap) {\n logger.log('swapping playlist audio codec');\n if (audioCodec.indexOf('mp4a.40.5') !== -1) {\n audioCodec = 'mp4a.40.2';\n } else {\n audioCodec = 'mp4a.40.5';\n }\n }\n // in case AAC and HE-AAC audio codecs are signalled in manifest\n // force HE-AAC , as it seems that most browsers prefers that way,\n // except for mono streams OR on FF\n // these conditions might need to be reviewed ...\n if (this.audioCodecSwitch) {\n // don't force HE-AAC if mono stream\n if (track.metadata.channelCount !== 1 &&\n // don't force HE-AAC if firefox\n ua.indexOf('firefox') === -1) {\n audioCodec = 'mp4a.40.5';\n }\n }\n // HE-AAC is broken on Android, always signal audio codec as AAC even if variant manifest states otherwise\n if (ua.indexOf('android') !== -1 && track.container !== 'audio/mpeg') { // Exclude mpeg audio\n audioCodec = 'mp4a.40.2';\n logger.log(`Android: force audio codec to ${audioCodec}`);\n }\n track.levelCodec = audioCodec;\n track.id = data.id;\n }\n track = tracks.video;\n if (track) {\n track.levelCodec = this.levels[this.level].videoCodec;\n track.id = data.id;\n }\n this.hls.trigger(Event.BUFFER_CODECS, tracks);\n // loop through tracks that are going to be provided to bufferController\n for (trackName in tracks) {\n track = tracks[trackName];\n logger.log(`main track:${trackName},container:${track.container},codecs[level/parsed]=[${track.levelCodec}/${track.codec}]`);\n let initSegment = track.initSegment;\n if (initSegment) {\n this.appended = true;\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n this.hls.trigger(Event.BUFFER_APPENDING, { type: trackName, data: initSegment, parent: 'main', content: 'initSegment' });\n }\n }\n // trigger handler right now\n this.tick();\n }\n }\n\n onFragParsingData (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n !(data.type === 'audio' && this.altAudio) && // filter out main audio if audio track is loaded through audio stream controller\n this.state === State.PARSING) {\n let level = this.levels[this.level],\n frag = fragCurrent;\n if (!Number.isFinite(data.endPTS)) {\n data.endPTS = data.startPTS + fragCurrent.duration;\n data.endDTS = data.startDTS + fragCurrent.duration;\n }\n\n if (data.hasAudio === true) {\n frag.addElementaryStream(ElementaryStreamTypes.AUDIO);\n }\n\n if (data.hasVideo === true) {\n frag.addElementaryStream(ElementaryStreamTypes.VIDEO);\n }\n\n logger.log(`Parsed ${data.type},PTS:[${data.startPTS.toFixed(3)},${data.endPTS.toFixed(3)}],DTS:[${data.startDTS.toFixed(3)}/${data.endDTS.toFixed(3)}],nb:${data.nb},dropped:${data.dropped || 0}`);\n\n // Detect gaps in a fragment and try to fix it by finding a keyframe in the previous fragment (see _findFragments)\n if (data.type === 'video') {\n frag.dropped = data.dropped;\n if (frag.dropped) {\n if (!frag.backtracked) {\n const levelDetails = level.details;\n if (levelDetails && frag.sn === levelDetails.startSN) {\n logger.warn('missing video frame(s) on first frag, appending with gap', frag.sn);\n } else {\n logger.warn('missing video frame(s), backtracking fragment', frag.sn);\n // Return back to the IDLE state without appending to buffer\n // Causes findFragments to backtrack a segment and find the keyframe\n // Audio fragments arriving before video sets the nextLoadPosition, causing _findFragments to skip the backtracked fragment\n this.fragmentTracker.removeFragment(frag);\n frag.backtracked = true;\n this.nextLoadPosition = data.startPTS;\n this.state = State.IDLE;\n this.fragPrevious = frag;\n this.tick();\n return;\n }\n } else {\n logger.warn('Already backtracked on this fragment, appending with the gap', frag.sn);\n }\n } else {\n // Only reset the backtracked flag if we've loaded the frag without any dropped frames\n frag.backtracked = false;\n }\n }\n\n let drift = LevelHelper.updateFragPTSDTS(level.details, frag, data.startPTS, data.endPTS, data.startDTS, data.endDTS),\n hls = this.hls;\n hls.trigger(Event.LEVEL_PTS_UPDATED, { details: level.details, level: this.level, drift: drift, type: data.type, start: data.startPTS, end: data.endPTS });\n // has remuxer dropped video frames located before first keyframe ?\n [data.data1, data.data2].forEach(buffer => {\n // only append in PARSING state (rationale is that an appending error could happen synchronously on first segment appending)\n // in that case it is useless to append following segments\n if (buffer && buffer.length && this.state === State.PARSING) {\n this.appended = true;\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n hls.trigger(Event.BUFFER_APPENDING, { type: data.type, data: buffer, parent: 'main', content: 'data' });\n }\n });\n // trigger handler right now\n this.tick();\n }\n }\n\n onFragParsed (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n this.stats.tparsed = window.performance.now();\n this.state = State.PARSED;\n this._checkAppendedParsed();\n }\n }\n\n onAudioTrackSwitching (data) {\n // if any URL found on new audio track, it is an alternate audio track\n let altAudio = !!data.url,\n trackId = data.id;\n // if we switch on main audio, ensure that main fragment scheduling is synced with media.buffered\n // don't do anything if we switch to alt audio: audio stream controller is handling it.\n // we will just have to change buffer scheduling on audioTrackSwitched\n if (!altAudio) {\n if (this.mediaBuffer !== this.media) {\n logger.log('switching on main audio, use media.buffered to schedule main fragment loading');\n this.mediaBuffer = this.media;\n let fragCurrent = this.fragCurrent;\n // we need to refill audio buffer from main: cancel any frag loading to speed up audio switch\n if (fragCurrent.loader) {\n logger.log('switching to main audio track, cancel main fragment load');\n fragCurrent.loader.abort();\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n // destroy demuxer to force init segment generation (following audio switch)\n if (this.demuxer) {\n this.demuxer.destroy();\n this.demuxer = null;\n }\n // switch to IDLE state to load new fragment\n this.state = State.IDLE;\n }\n let hls = this.hls;\n // switching to main audio, flush all audio and trigger track switched\n hls.trigger(Event.BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' });\n hls.trigger(Event.AUDIO_TRACK_SWITCHED, { id: trackId });\n this.altAudio = false;\n }\n }\n\n onAudioTrackSwitched (data) {\n let trackId = data.id,\n altAudio = !!this.hls.audioTracks[trackId].url;\n if (altAudio) {\n let videoBuffer = this.videoBuffer;\n // if we switched on alternate audio, ensure that main fragment scheduling is synced with video sourcebuffer buffered\n if (videoBuffer && this.mediaBuffer !== videoBuffer) {\n logger.log('switching on alternate audio, use video.buffered to schedule main fragment loading');\n this.mediaBuffer = videoBuffer;\n }\n }\n this.altAudio = altAudio;\n this.tick();\n }\n\n onBufferCreated (data) {\n let tracks = data.tracks, mediaTrack, name, alternate = false;\n for (let type in tracks) {\n let track = tracks[type];\n if (track.id === 'main') {\n name = type;\n mediaTrack = track;\n // keep video source buffer reference\n if (type === 'video') {\n this.videoBuffer = tracks[type].buffer;\n }\n } else {\n alternate = true;\n }\n }\n if (alternate && mediaTrack) {\n logger.log(`alternate track found, use ${name}.buffered to schedule main fragment loading`);\n this.mediaBuffer = mediaTrack.buffer;\n } else {\n this.mediaBuffer = this.media;\n }\n }\n\n onBufferAppended (data) {\n if (data.parent === 'main') {\n const state = this.state;\n if (state === State.PARSING || state === State.PARSED) {\n // check if all buffers have been appended\n this.pendingBuffering = (data.pending > 0);\n this._checkAppendedParsed();\n }\n }\n }\n\n _checkAppendedParsed () {\n // trigger handler right now\n if (this.state === State.PARSED && (!this.appended || !this.pendingBuffering)) {\n const frag = this.fragCurrent;\n if (frag) {\n const media = this.mediaBuffer ? this.mediaBuffer : this.media;\n logger.log(`main buffered : ${TimeRanges.toString(media.buffered)}`);\n this.fragPrevious = frag;\n const stats = this.stats;\n stats.tbuffered = window.performance.now();\n // we should get rid of this.fragLastKbps\n this.fragLastKbps = Math.round(8 * stats.total / (stats.tbuffered - stats.tfirst));\n this.hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: frag, id: 'main' });\n this.state = State.IDLE;\n }\n this.tick();\n }\n }\n\n onError (data) {\n let frag = data.frag || this.fragCurrent;\n // don't handle frag error not related to main fragment\n if (frag && frag.type !== 'main') {\n return;\n }\n\n // 0.5 : tolerance needed as some browsers stalls playback before reaching buffered end\n let mediaBuffered = !!this.media && BufferHelper.isBuffered(this.media, this.media.currentTime) && BufferHelper.isBuffered(this.media, this.media.currentTime + 0.5);\n\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n if (!data.fatal) {\n // keep retrying until the limit will be reached\n if ((this.fragLoadError + 1) <= this.config.fragLoadingMaxRetry) {\n // exponential backoff capped to config.fragLoadingMaxRetryTimeout\n let delay = Math.min(Math.pow(2, this.fragLoadError) * this.config.fragLoadingRetryDelay, this.config.fragLoadingMaxRetryTimeout);\n logger.warn(`mediaController: frag loading failed, retry in ${delay} ms`);\n this.retryDate = window.performance.now() + delay;\n // retry loading state\n // if loadedmetadata is not set, it means that we are emergency switch down on first frag\n // in that case, reset startFragRequested flag\n if (!this.loadedmetadata) {\n this.startFragRequested = false;\n this.nextLoadPosition = this.startPosition;\n }\n this.fragLoadError++;\n this.state = State.FRAG_LOADING_WAITING_RETRY;\n } else {\n logger.error(`mediaController: ${data.details} reaches max retry, redispatch as fatal ...`);\n // switch error to fatal\n data.fatal = true;\n this.state = State.ERROR;\n }\n }\n break;\n case ErrorDetails.LEVEL_LOAD_ERROR:\n case ErrorDetails.LEVEL_LOAD_TIMEOUT:\n if (this.state !== State.ERROR) {\n if (data.fatal) {\n // if fatal error, stop processing\n this.state = State.ERROR;\n logger.warn(`streamController: ${data.details},switch to ${this.state} state ...`);\n } else {\n // in case of non fatal error while loading level, if level controller is not retrying to load level , switch back to IDLE\n if (!data.levelRetry && this.state === State.WAITING_LEVEL) {\n this.state = State.IDLE;\n }\n }\n }\n break;\n case ErrorDetails.BUFFER_FULL_ERROR:\n // if in appending state\n if (data.parent === 'main' && (this.state === State.PARSING || this.state === State.PARSED)) {\n // reduce max buf len if current position is buffered\n if (mediaBuffered) {\n this._reduceMaxBufferLength(this.config.maxBufferLength);\n this.state = State.IDLE;\n } else {\n // current position is not buffered, but browser is still complaining about buffer full error\n // this happens on IE/Edge, refer to https://github.com/video-dev/hls.js/pull/708\n // in that case flush the whole buffer to recover\n logger.warn('buffer full error also media.currentTime is not buffered, flush everything');\n this.fragCurrent = null;\n // flush everything\n this.flushMainBuffer(0, Number.POSITIVE_INFINITY);\n }\n }\n break;\n default:\n break;\n }\n }\n\n _reduceMaxBufferLength (minLength) {\n let config = this.config;\n if (config.maxMaxBufferLength >= minLength) {\n // reduce max buffer length as it might be too high. we do this to avoid loop flushing ...\n config.maxMaxBufferLength /= 2;\n logger.warn(`main:reduce max buffer length to ${config.maxMaxBufferLength}s`);\n return true;\n }\n return false;\n }\n\n /**\n * Checks the health of the buffer and attempts to resolve playback stalls.\n * @private\n */\n _checkBuffer () {\n const { media } = this;\n if (!media || media.readyState === 0) {\n // Exit early if we don't have media or if the media hasn't bufferd anything yet (readyState 0)\n return;\n }\n\n const mediaBuffer = this.mediaBuffer ? this.mediaBuffer : media;\n const buffered = mediaBuffer.buffered;\n\n if (!this.loadedmetadata && buffered.length) {\n this.loadedmetadata = true;\n this._seekToStartPos();\n } else if (this.immediateSwitch) {\n this.immediateLevelSwitchEnd();\n } else {\n this.gapController.poll(this.lastCurrentTime, buffered);\n }\n }\n\n onFragLoadEmergencyAborted () {\n this.state = State.IDLE;\n // if loadedmetadata is not set, it means that we are emergency switch down on first frag\n // in that case, reset startFragRequested flag\n if (!this.loadedmetadata) {\n this.startFragRequested = false;\n this.nextLoadPosition = this.startPosition;\n }\n this.tick();\n }\n\n onBufferFlushed () {\n /* after successful buffer flushing, filter flushed fragments from bufferedFrags\n use mediaBuffered instead of media (so that we will check against video.buffered ranges in case of alt audio track)\n */\n const media = this.mediaBuffer ? this.mediaBuffer : this.media;\n if (media) {\n // filter fragments potentially evicted from buffer. this is to avoid memleak on live streams\n this.fragmentTracker.detectEvictedFragments(ElementaryStreamTypes.VIDEO, media.buffered);\n }\n // move to IDLE once flush complete. this should trigger new fragment loading\n this.state = State.IDLE;\n // reset reference to frag\n this.fragPrevious = null;\n }\n\n swapAudioCodec () {\n this.audioCodecSwap = !this.audioCodecSwap;\n }\n /**\n * Seeks to the set startPosition if not equal to the mediaElement's current time.\n * @private\n */\n _seekToStartPos () {\n const { media } = this;\n const currentTime = media.currentTime;\n // only adjust currentTime if different from startPosition or if startPosition not buffered\n // at that stage, there should be only one buffered range, as we reach that code after first fragment has been buffered\n const startPosition = media.seeking ? currentTime : this.startPosition;\n // if currentTime not matching with expected startPosition or startPosition not buffered but close to first buffered\n if (currentTime !== startPosition && startPosition >= 0) {\n // if startPosition not buffered, let's seek to buffered.start(0)\n logger.log(`target start position not buffered, seek to buffered.start(0) ${startPosition} from current time ${currentTime} `);\n media.currentTime = startPosition;\n }\n }\n\n _getAudioCodec (currentLevel) {\n let audioCodec = this.config.defaultAudioCodec || currentLevel.audioCodec;\n if (this.audioCodecSwap) {\n logger.log('swapping playlist audio codec');\n if (audioCodec) {\n if (audioCodec.indexOf('mp4a.40.5') !== -1) {\n audioCodec = 'mp4a.40.2';\n } else {\n audioCodec = 'mp4a.40.5';\n }\n }\n }\n\n return audioCodec;\n }\n\n get liveSyncPosition () {\n return this._liveSyncPosition;\n }\n\n set liveSyncPosition (value) {\n this._liveSyncPosition = value;\n }\n}\nexport default StreamController;\n","/*\n * Level Controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { isCodecSupportedInMp4 } from '../utils/codecs';\nimport { addGroupId, computeReloadInterval } from './level-helper';\n\nconst { performance } = window;\nlet chromeOrFirefox;\n\nexport default class LevelController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.MANIFEST_LOADED,\n Event.LEVEL_LOADED,\n Event.AUDIO_TRACK_SWITCHED,\n Event.FRAG_LOADED,\n Event.ERROR);\n\n this.canload = false;\n this.currentLevelIndex = null;\n this.manualLevelIndex = -1;\n this.timer = null;\n\n chromeOrFirefox = /chrome|firefox/.test(navigator.userAgent.toLowerCase());\n }\n\n onHandlerDestroying () {\n this.clearTimer();\n this.manualLevelIndex = -1;\n }\n\n clearTimer () {\n if (this.timer !== null) {\n clearTimeout(this.timer);\n this.timer = null;\n }\n }\n\n startLoad () {\n let levels = this._levels;\n\n this.canload = true;\n this.levelRetryCount = 0;\n\n // clean up live level details to force reload them, and reset load errors\n if (levels) {\n levels.forEach(level => {\n level.loadError = 0;\n const levelDetails = level.details;\n if (levelDetails && levelDetails.live) {\n level.details = undefined;\n }\n });\n }\n // speed up live playlist refresh if timer exists\n if (this.timer !== null) {\n this.loadLevel();\n }\n }\n\n stopLoad () {\n this.canload = false;\n }\n\n onManifestLoaded (data) {\n let levels = [];\n let audioTracks = [];\n let bitrateStart;\n let levelSet = {};\n let levelFromSet = null;\n let videoCodecFound = false;\n let audioCodecFound = false;\n\n // regroup redundant levels together\n data.levels.forEach(level => {\n const attributes = level.attrs;\n level.loadError = 0;\n level.fragmentError = false;\n\n videoCodecFound = videoCodecFound || !!level.videoCodec;\n audioCodecFound = audioCodecFound || !!level.audioCodec;\n\n // erase audio codec info if browser does not support mp4a.40.34.\n // demuxer will autodetect codec and fallback to mpeg/audio\n if (chromeOrFirefox && level.audioCodec && level.audioCodec.indexOf('mp4a.40.34') !== -1) {\n level.audioCodec = undefined;\n }\n\n levelFromSet = levelSet[level.bitrate]; // FIXME: we would also have to match the resolution here\n\n if (!levelFromSet) {\n level.url = [level.url];\n level.urlId = 0;\n levelSet[level.bitrate] = level;\n levels.push(level);\n } else {\n levelFromSet.url.push(level.url);\n }\n\n if (attributes) {\n if (attributes.AUDIO) {\n audioCodecFound = true;\n addGroupId(levelFromSet || level, 'audio', attributes.AUDIO);\n }\n if (attributes.SUBTITLES) {\n addGroupId(levelFromSet || level, 'text', attributes.SUBTITLES);\n }\n }\n });\n\n // remove audio-only level if we also have levels with audio+video codecs signalled\n if (videoCodecFound && audioCodecFound) {\n levels = levels.filter(({ videoCodec }) => !!videoCodec);\n }\n\n // only keep levels with supported audio/video codecs\n levels = levels.filter(({ audioCodec, videoCodec }) => {\n return (!audioCodec || isCodecSupportedInMp4(audioCodec, 'audio')) && (!videoCodec || isCodecSupportedInMp4(videoCodec, 'video'));\n });\n\n if (data.audioTracks) {\n audioTracks = data.audioTracks.filter(track => !track.audioCodec || isCodecSupportedInMp4(track.audioCodec, 'audio'));\n // Reassign id's after filtering since they're used as array indices\n audioTracks.forEach((track, index) => {\n track.id = index;\n });\n }\n\n if (levels.length > 0) {\n // start bitrate is the first bitrate of the manifest\n bitrateStart = levels[0].bitrate;\n // sort level on bitrate\n levels.sort((a, b) => a.bitrate - b.bitrate);\n this._levels = levels;\n // find index of first level in sorted levels\n for (let i = 0; i < levels.length; i++) {\n if (levels[i].bitrate === bitrateStart) {\n this._firstLevel = i;\n logger.log(`manifest loaded,${levels.length} level(s) found, first bitrate:${bitrateStart}`);\n break;\n }\n }\n\n // Audio is only alternate if manifest include a URI along with the audio group tag\n this.hls.trigger(Event.MANIFEST_PARSED, {\n levels,\n audioTracks,\n firstLevel: this._firstLevel,\n stats: data.stats,\n audio: audioCodecFound,\n video: videoCodecFound,\n altAudio: audioTracks.some(t => !!t.url)\n });\n } else {\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.MANIFEST_INCOMPATIBLE_CODECS_ERROR,\n fatal: true,\n url: this.hls.url,\n reason: 'no level with compatible codecs found in manifest'\n });\n }\n }\n\n get levels () {\n return this._levels;\n }\n\n get level () {\n return this.currentLevelIndex;\n }\n\n set level (newLevel) {\n let levels = this._levels;\n if (levels) {\n newLevel = Math.min(newLevel, levels.length - 1);\n if (this.currentLevelIndex !== newLevel || !levels[newLevel].details) {\n this.setLevelInternal(newLevel);\n }\n }\n }\n\n setLevelInternal (newLevel) {\n const levels = this._levels;\n const hls = this.hls;\n // check if level idx is valid\n if (newLevel >= 0 && newLevel < levels.length) {\n // stopping live reloading timer if any\n this.clearTimer();\n if (this.currentLevelIndex !== newLevel) {\n logger.log(`switching to level ${newLevel}`);\n this.currentLevelIndex = newLevel;\n const levelProperties = levels[newLevel];\n levelProperties.level = newLevel;\n hls.trigger(Event.LEVEL_SWITCHING, levelProperties);\n }\n const level = levels[newLevel];\n const levelDetails = level.details;\n\n // check if we need to load playlist for this level\n if (!levelDetails || levelDetails.live) {\n // level not retrieved yet, or live playlist we need to (re)load it\n let urlId = level.urlId;\n hls.trigger(Event.LEVEL_LOADING, { url: level.url[urlId], level: newLevel, id: urlId });\n }\n } else {\n // invalid level id given, trigger error\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.OTHER_ERROR,\n details: ErrorDetails.LEVEL_SWITCH_ERROR,\n level: newLevel,\n fatal: false,\n reason: 'invalid level idx'\n });\n }\n }\n\n get manualLevel () {\n return this.manualLevelIndex;\n }\n\n set manualLevel (newLevel) {\n this.manualLevelIndex = newLevel;\n if (this._startLevel === undefined) {\n this._startLevel = newLevel;\n }\n\n if (newLevel !== -1) {\n this.level = newLevel;\n }\n }\n\n get firstLevel () {\n return this._firstLevel;\n }\n\n set firstLevel (newLevel) {\n this._firstLevel = newLevel;\n }\n\n get startLevel () {\n // hls.startLevel takes precedence over config.startLevel\n // if none of these values are defined, fallback on this._firstLevel (first quality level appearing in variant manifest)\n if (this._startLevel === undefined) {\n let configStartLevel = this.hls.config.startLevel;\n if (configStartLevel !== undefined) {\n return configStartLevel;\n } else {\n return this._firstLevel;\n }\n } else {\n return this._startLevel;\n }\n }\n\n set startLevel (newLevel) {\n this._startLevel = newLevel;\n }\n\n onError (data) {\n if (data.fatal) {\n if (data.type === ErrorTypes.NETWORK_ERROR) {\n this.clearTimer();\n }\n\n return;\n }\n\n let levelError = false, fragmentError = false;\n let levelIndex;\n\n // try to recover not fatal errors\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n levelIndex = data.frag.level;\n fragmentError = true;\n break;\n case ErrorDetails.LEVEL_LOAD_ERROR:\n case ErrorDetails.LEVEL_LOAD_TIMEOUT:\n levelIndex = data.context.level;\n levelError = true;\n break;\n case ErrorDetails.REMUX_ALLOC_ERROR:\n levelIndex = data.level;\n levelError = true;\n break;\n }\n\n if (levelIndex !== undefined) {\n this.recoverLevel(data, levelIndex, levelError, fragmentError);\n }\n }\n\n /**\n * Switch to a redundant stream if any available.\n * If redundant stream is not available, emergency switch down if ABR mode is enabled.\n *\n * @param {Object} errorEvent\n * @param {Number} levelIndex current level index\n * @param {Boolean} levelError\n * @param {Boolean} fragmentError\n */\n // FIXME Find a better abstraction where fragment/level retry management is well decoupled\n recoverLevel (errorEvent, levelIndex, levelError, fragmentError) {\n let { config } = this.hls;\n let { details: errorDetails } = errorEvent;\n let level = this._levels[levelIndex];\n let redundantLevels, delay, nextLevel;\n\n level.loadError++;\n level.fragmentError = fragmentError;\n\n if (levelError) {\n if ((this.levelRetryCount + 1) <= config.levelLoadingMaxRetry) {\n // exponential backoff capped to max retry timeout\n delay = Math.min(Math.pow(2, this.levelRetryCount) * config.levelLoadingRetryDelay, config.levelLoadingMaxRetryTimeout);\n // Schedule level reload\n this.timer = setTimeout(() => this.loadLevel(), delay);\n // boolean used to inform stream controller not to switch back to IDLE on non fatal error\n errorEvent.levelRetry = true;\n this.levelRetryCount++;\n logger.warn(`level controller, ${errorDetails}, retry in ${delay} ms, current retry count is ${this.levelRetryCount}`);\n } else {\n logger.error(`level controller, cannot recover from ${errorDetails} error`);\n this.currentLevelIndex = null;\n // stopping live reloading timer if any\n this.clearTimer();\n // switch error to fatal\n errorEvent.fatal = true;\n return;\n }\n }\n\n // Try any redundant streams if available for both errors: level and fragment\n // If level.loadError reaches redundantLevels it means that we tried them all, no hope => let's switch down\n if (levelError || fragmentError) {\n redundantLevels = level.url.length;\n\n if (redundantLevels > 1 && level.loadError < redundantLevels) {\n level.urlId = (level.urlId + 1) % redundantLevels;\n level.details = undefined;\n\n logger.warn(`level controller, ${errorDetails} for level ${levelIndex}: switching to redundant URL-id ${level.urlId}`);\n\n // console.log('Current audio track group ID:', this.hls.audioTracks[this.hls.audioTrack].groupId);\n // console.log('New video quality level audio group id:', level.attrs.AUDIO);\n } else {\n // Search for available level\n if (this.manualLevelIndex === -1) {\n // When lowest level has been reached, let's start hunt from the top\n nextLevel = (levelIndex === 0) ? this._levels.length - 1 : levelIndex - 1;\n logger.warn(`level controller, ${errorDetails}: switch to ${nextLevel}`);\n this.hls.nextAutoLevel = this.currentLevelIndex = nextLevel;\n } else if (fragmentError) {\n // Allow fragment retry as long as configuration allows.\n // reset this._level so that another call to set level() will trigger again a frag load\n logger.warn(`level controller, ${errorDetails}: reload a fragment`);\n this.currentLevelIndex = null;\n }\n }\n }\n }\n\n // reset errors on the successful load of a fragment\n onFragLoaded ({ frag }) {\n if (frag !== undefined && frag.type === 'main') {\n const level = this._levels[frag.level];\n if (level !== undefined) {\n level.fragmentError = false;\n level.loadError = 0;\n this.levelRetryCount = 0;\n }\n }\n }\n\n onLevelLoaded (data) {\n const { level, details } = data;\n // only process level loaded events matching with expected level\n if (level !== this.currentLevelIndex) {\n return;\n }\n\n const curLevel = this._levels[level];\n // reset level load error counter on successful level loaded only if there is no issues with fragments\n if (!curLevel.fragmentError) {\n curLevel.loadError = 0;\n this.levelRetryCount = 0;\n }\n // if current playlist is a live playlist, arm a timer to reload it\n if (details.live) {\n const reloadInterval = computeReloadInterval(curLevel.details, details, data.stats.trequest);\n logger.log(`live playlist, reload in ${Math.round(reloadInterval)} ms`);\n this.timer = setTimeout(() => this.loadLevel(), reloadInterval);\n } else {\n this.clearTimer();\n }\n }\n\n onAudioTrackSwitched (data) {\n const audioGroupId = this.hls.audioTracks[data.id].groupId;\n\n const currentLevel = this.hls.levels[this.currentLevelIndex];\n if (!currentLevel) {\n return;\n }\n\n if (currentLevel.audioGroupIds) {\n let urlId = -1;\n\n for (let i = 0; i < currentLevel.audioGroupIds.length; i++) {\n if (currentLevel.audioGroupIds[i] === audioGroupId) {\n urlId = i;\n break;\n }\n }\n\n if (urlId !== currentLevel.urlId) {\n currentLevel.urlId = urlId;\n this.startLoad();\n }\n }\n }\n\n loadLevel () {\n logger.debug('call to loadLevel');\n\n if (this.currentLevelIndex !== null && this.canload) {\n const levelObject = this._levels[this.currentLevelIndex];\n\n if (typeof levelObject === 'object' &&\n levelObject.url.length > 0) {\n const level = this.currentLevelIndex;\n const id = levelObject.urlId;\n const url = levelObject.url[id];\n\n logger.log(`Attempt loading level index ${level} with URL-id ${id}`);\n\n // console.log('Current audio track group ID:', this.hls.audioTracks[this.hls.audioTrack].groupId);\n // console.log('New video quality level audio group id:', levelObject.attrs.AUDIO, level);\n\n this.hls.trigger(Event.LEVEL_LOADING, { url, level, id });\n }\n }\n }\n\n get nextLoadLevel () {\n if (this.manualLevelIndex !== -1) {\n return this.manualLevelIndex;\n } else {\n return this.hls.nextAutoLevel;\n }\n }\n\n set nextLoadLevel (nextLevel) {\n this.level = nextLevel;\n if (this.manualLevelIndex === -1) {\n this.hls.nextAutoLevel = nextLevel;\n }\n }\n}\n","\nexport function sendAddTrackEvent (track: TextTrack, videoEl: HTMLMediaElement) {\n let event: Event;\n try {\n event = new Event('addtrack');\n } catch (err) {\n // for IE11\n event = document.createEvent('Event');\n event.initEvent('addtrack', false, false);\n }\n (event as any).track = track;\n videoEl.dispatchEvent(event);\n}\n\nexport function clearCurrentCues (track: TextTrack) {\n if (track && track.cues) {\n while (track.cues.length > 0) {\n track.removeCue(track.cues[0]);\n }\n }\n}\n\n/**\n\n * Given a list of Cues, finds the closest cue matching the given time.\n * Modified verison of binary search O(log(n)).\n *\n * @export\n * @param {(TextTrackCueList | TextTrackCue[])} cues - List of cues.\n * @param {number} time - Target time, to find closest cue to.\n * @returns {TextTrackCue}\n */\nexport function getClosestCue (cues: TextTrackCueList | TextTrackCue[], time: number): TextTrackCue {\n // If the offset is less than the first element, the first element is the closest.\n if (time < cues[0].endTime) {\n return cues[0];\n }\n // If the offset is greater than the last cue, the last is the closest.\n if (time > cues[cues.length - 1].endTime) {\n return cues[cues.length - 1];\n }\n\n let left = 0;\n let right = cues.length - 1;\n\n while (left <= right) {\n const mid = Math.floor((right + left) / 2);\n\n if (time < cues[mid].endTime) {\n right = mid - 1;\n } else if (time > cues[mid].endTime) {\n left = mid + 1;\n } else {\n // If it's not lower or higher, it must be equal.\n return cues[mid];\n }\n }\n // At this point, left and right have swapped.\n // No direct match was found, left or right element must be the closest. Check which one has the smallest diff.\n return (cues[left].endTime - time) < (time - cues[right].endTime) ? cues[left] : cues[right];\n}\n","/*\n * id3 metadata track controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport ID3 from '../demux/id3';\nimport { logger } from '../utils/logger';\nimport { sendAddTrackEvent, clearCurrentCues, getClosestCue } from '../utils/texttrack-utils';\n\nclass ID3TrackController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.FRAG_PARSING_METADATA,\n Event.LIVE_BACK_BUFFER_REACHED\n );\n\n this.id3Track = undefined;\n this.media = undefined;\n }\n\n destroy () {\n EventHandler.prototype.destroy.call(this);\n }\n\n // Add ID3 metatadata text track.\n onMediaAttached (data) {\n this.media = data.media;\n if (!this.media) {\n\n }\n }\n\n onMediaDetaching () {\n clearCurrentCues(this.id3Track);\n this.id3Track = undefined;\n this.media = undefined;\n }\n\n getID3Track (textTracks) {\n for (let i = 0; i < textTracks.length; i++) {\n let textTrack = textTracks[i];\n if (textTrack.kind === 'metadata' && textTrack.label === 'id3') {\n // send 'addtrack' when reusing the textTrack for metadata,\n // same as what we do for captions\n sendAddTrackEvent(textTrack, this.media);\n\n return textTrack;\n }\n }\n return this.media.addTextTrack('metadata', 'id3');\n }\n\n onLiveBackBufferReached ({ bufferEnd }) {\n if (!this.id3Track || !this.id3Track.cues || !this.id3Track.cues.length) {\n return;\n }\n const foundCue = getClosestCue(this.id3Track.cues, bufferEnd);\n if (!foundCue) {\n return;\n }\n\n let removeCues = true;\n while (removeCues) {\n const cue = this.id3Track.cues[0];\n if (!this.id3Track.cues.length || cue.id === foundCue.id) {\n removeCues = false;\n return;\n }\n this.id3Track.removeCue(cue);\n }\n }\n\n onFragParsingMetadata (data) {\n const fragment = data.frag;\n const samples = data.samples;\n\n // create track dynamically\n if (!this.id3Track) {\n this.id3Track = this.getID3Track(this.media.textTracks);\n this.id3Track.mode = 'hidden';\n }\n\n // Attempt to recreate Safari functionality by creating\n // WebKitDataCue objects when available and store the decoded\n // ID3 data in the value property of the cue\n let Cue = window.WebKitDataCue || window.VTTCue || window.TextTrackCue;\n\n for (let i = 0; i < samples.length; i++) {\n const frames = ID3.getID3Frames(samples[i].data);\n if (frames) {\n const startTime = samples[i].pts;\n let endTime = i < samples.length - 1 ? samples[i + 1].pts : fragment.endPTS;\n\n if (startTime === endTime) {\n // Give a slight bump to the endTime if it's equal to startTime to avoid a SyntaxError in IE\n endTime += 0.0001;\n } else if (startTime > endTime) {\n logger.warn('detected an id3 sample with endTime < startTime, adjusting endTime to (startTime + 0.25)');\n endTime = startTime + 0.25;\n }\n\n for (let j = 0; j < frames.length; j++) {\n const frame = frames[j];\n // Safari doesn't put the timestamp frame in the TextTrack\n if (!ID3.isTimeStampFrame(frame)) {\n const cue = new Cue(startTime, endTime, '');\n cue.value = frame;\n this.id3Track.addCue(cue);\n }\n }\n }\n }\n }\n\n onLiveBackBufferReached ({ bufferEnd }) {\n const { id3Track } = this;\n if (!id3Track || !id3Track.cues || !id3Track.cues.length) {\n return;\n }\n const foundCue = getClosestCue(id3Track.cues, bufferEnd);\n if (!foundCue) {\n return;\n }\n while (id3Track.cues[0] !== foundCue) {\n id3Track.removeCue(id3Track.cues[0]);\n }\n }\n}\n\nexport default ID3TrackController;\n","import { getMediaSource } from './utils/mediasource-helper';\n\nexport function isSupported (): boolean {\n const mediaSource = getMediaSource();\n if (!mediaSource) {\n return false;\n }\n const sourceBuffer = self.SourceBuffer || (self as any).WebKitSourceBuffer as SourceBuffer;\n const isTypeSupported = mediaSource &&\n typeof mediaSource.isTypeSupported === 'function' &&\n mediaSource.isTypeSupported('video/mp4; codecs=\"avc1.42E01E,mp4a.40.2\"');\n\n // if SourceBuffer is exposed ensure its API is valid\n // safari and old version of Chrome doe not expose SourceBuffer globally so checking SourceBuffer.prototype is impossible\n const sourceBufferValidAPI = !sourceBuffer ||\n (sourceBuffer.prototype &&\n typeof sourceBuffer.prototype.appendBuffer === 'function' &&\n typeof sourceBuffer.prototype.remove === 'function');\n return !!isTypeSupported && !!sourceBufferValidAPI;\n}\n","/*\n * compute an Exponential Weighted moving average\n * - https://en.wikipedia.org/wiki/Moving_average#Exponential_moving_average\n * - heavily inspired from shaka-player\n */\n\nclass EWMA {\n private alpha_: number;\n private estimate_: number;\n private totalWeight_: number;\n\n // About half of the estimated value will be from the last |halfLife| samples by weight.\n constructor (halfLife: number) {\n // Larger values of alpha expire historical data more slowly.\n this.alpha_ = halfLife ? Math.exp(Math.log(0.5) / halfLife) : 0;\n this.estimate_ = 0;\n this.totalWeight_ = 0;\n }\n\n sample (weight: number, value: number) {\n let adjAlpha = Math.pow(this.alpha_, weight);\n this.estimate_ = value * (1 - adjAlpha) + adjAlpha * this.estimate_;\n this.totalWeight_ += weight;\n }\n\n getTotalWeight (): number {\n return this.totalWeight_;\n }\n\n getEstimate (): number {\n if (this.alpha_) {\n let zeroFactor = 1 - Math.pow(this.alpha_, this.totalWeight_);\n return this.estimate_ / zeroFactor;\n } else {\n return this.estimate_;\n }\n }\n}\n\nexport default EWMA;\n","/*\n * EWMA Bandwidth Estimator\n * - heavily inspired from shaka-player\n * Tracks bandwidth samples and estimates available bandwidth.\n * Based on the minimum of two exponentially-weighted moving averages with\n * different half-lives.\n */\n\nimport EWMA from '../utils/ewma';\n\nclass EwmaBandWidthEstimator {\n hls: any;\n\n private defaultEstimate_: number;\n private minWeight_: number;\n private minDelayMs_: number;\n private slow_: EWMA;\n private fast_: EWMA;\n\n // TODO(typescript-hls)\n constructor (hls: any, slow: number, fast: number, defaultEstimate: number) {\n this.hls = hls;\n this.defaultEstimate_ = defaultEstimate;\n this.minWeight_ = 0.001;\n this.minDelayMs_ = 50;\n this.slow_ = new EWMA(slow);\n this.fast_ = new EWMA(fast);\n }\n\n sample (durationMs: number, numBytes: number) {\n durationMs = Math.max(durationMs, this.minDelayMs_);\n let numBits = 8 * numBytes,\n // weight is duration in seconds\n durationS = durationMs / 1000,\n // value is bandwidth in bits/s\n bandwidthInBps = numBits / durationS;\n this.fast_.sample(durationS, bandwidthInBps);\n this.slow_.sample(durationS, bandwidthInBps);\n }\n\n canEstimate (): boolean {\n let fast = this.fast_;\n return (fast && fast.getTotalWeight() >= this.minWeight_);\n }\n\n getEstimate (): number {\n if (this.canEstimate()) {\n // console.log('slow estimate:'+ Math.round(this.slow_.getEstimate()));\n // console.log('fast estimate:'+ Math.round(this.fast_.getEstimate()));\n // Take the minimum of these two estimates. This should have the effect of\n // adapting down quickly, but up more slowly.\n return Math.min(this.fast_.getEstimate(), this.slow_.getEstimate());\n } else {\n return this.defaultEstimate_;\n }\n }\n\n destroy () {\n }\n}\nexport default EwmaBandWidthEstimator;\n","/*\n * simple ABR Controller\n * - compute next level based on last fragment bw heuristics\n * - implement an abandon rules triggered if we have less than 2 frag buffered and if computed bw shows that we risk buffer stalling\n */\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport { ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport EwmaBandWidthEstimator from '../utils/ewma-bandwidth-estimator';\n\nconst { performance } = window;\n\nclass AbrController extends EventHandler {\n constructor (hls) {\n super(hls, Event.FRAG_LOADING,\n Event.FRAG_LOADED,\n Event.FRAG_BUFFERED,\n Event.ERROR);\n this.lastLoadedFragLevel = 0;\n this._nextAutoLevel = -1;\n this.hls = hls;\n this.timer = null;\n this._bwEstimator = null;\n this.onCheck = this._abandonRulesCheck.bind(this);\n }\n\n destroy () {\n this.clearTimer();\n EventHandler.prototype.destroy.call(this);\n }\n\n onFragLoading (data) {\n const frag = data.frag;\n if (frag.type === 'main') {\n if (!this.timer) {\n this.fragCurrent = frag;\n this.timer = setInterval(this.onCheck, 100);\n }\n\n // lazy init of BwEstimator, rationale is that we use different params for Live/VoD\n // so we need to wait for stream manifest / playlist type to instantiate it.\n if (!this._bwEstimator) {\n const hls = this.hls;\n const config = hls.config;\n const level = frag.level;\n const isLive = hls.levels[level].details.live;\n\n let ewmaFast;\n let ewmaSlow;\n if (isLive) {\n ewmaFast = config.abrEwmaFastLive;\n ewmaSlow = config.abrEwmaSlowLive;\n } else {\n ewmaFast = config.abrEwmaFastVoD;\n ewmaSlow = config.abrEwmaSlowVoD;\n }\n this._bwEstimator = new EwmaBandWidthEstimator(hls, ewmaSlow, ewmaFast, config.abrEwmaDefaultEstimate);\n }\n }\n }\n\n _abandonRulesCheck () {\n /*\n monitor fragment retrieval time...\n we compute expected time of arrival of the complete fragment.\n we compare it to expected time of buffer starvation\n */\n const hls = this.hls;\n const video = hls.media;\n const frag = this.fragCurrent;\n\n if (!frag) {\n return;\n }\n\n const loader = frag.loader;\n const minAutoLevel = hls.minAutoLevel;\n\n // if loader has been destroyed or loading has been aborted, stop timer and return\n if (!loader || (loader.stats && loader.stats.aborted)) {\n logger.warn('frag loader destroy or aborted, disarm abandonRules');\n this.clearTimer();\n // reset forced auto level value so that next level will be selected\n this._nextAutoLevel = -1;\n return;\n }\n let stats = loader.stats;\n /* only monitor frag retrieval time if\n (video not paused OR first fragment being loaded(ready state === HAVE_NOTHING = 0)) AND autoswitching enabled AND not lowest level (=> means that we have several levels) */\n if (video && stats && ((!video.paused && (video.playbackRate !== 0)) || !video.readyState) && frag.autoLevel && frag.level) {\n const requestDelay = performance.now() - stats.trequest;\n const playbackRate = Math.abs(video.playbackRate);\n\n // monitor fragment load progress after half of expected fragment duration,to stabilize bitrate\n if (requestDelay > (500 * frag.duration / playbackRate)) {\n const levels = hls.levels;\n const loadRate = Math.max(1, stats.bw ? stats.bw / 8 : stats.loaded * 1000 / requestDelay); // byte/s; at least 1 byte/s to avoid division by zero\n\n // compute expected fragment length using frag duration and level bitrate. also ensure that expected len is gte than already loaded size\n const level = levels[frag.level];\n const levelBitrate = level.realBitrate ? Math.max(level.realBitrate, level.bitrate) : level.bitrate;\n const expectedLen = stats.total ? stats.total : Math.max(stats.loaded, Math.round(frag.duration * levelBitrate / 8));\n const pos = video.currentTime;\n const fragLoadedDelay = (expectedLen - stats.loaded) / loadRate;\n const bufferStarvationDelay = (BufferHelper.bufferInfo(video, pos, hls.config.maxBufferHole).end - pos) / playbackRate;\n\n // consider emergency switch down only if we have less than 2 frag buffered AND\n // time to finish loading current fragment is bigger than buffer starvation delay\n // ie if we risk buffer starvation if bw does not increase quickly\n if ((bufferStarvationDelay < (2 * frag.duration / playbackRate)) && (fragLoadedDelay > bufferStarvationDelay)) {\n let fragLevelNextLoadedDelay;\n let nextLoadLevel;\n // lets iterate through lower level and try to find the biggest one that could avoid rebuffering\n // we start from current level - 1 and we step down , until we find a matching level\n for (nextLoadLevel = frag.level - 1; nextLoadLevel > minAutoLevel; nextLoadLevel--) {\n // compute time to load next fragment at lower level\n // 0.8 : consider only 80% of current bw to be conservative\n // 8 = bits per byte (bps/Bps)\n const levelNextBitrate = levels[nextLoadLevel].realBitrate\n ? Math.max(levels[nextLoadLevel].realBitrate, levels[nextLoadLevel].bitrate)\n : levels[nextLoadLevel].bitrate;\n\n const fragLevelNextLoadedDelay = frag.duration * levelNextBitrate / (8 * 0.8 * loadRate);\n\n if (fragLevelNextLoadedDelay < bufferStarvationDelay) {\n // we found a lower level that be rebuffering free with current estimated bw !\n break;\n }\n }\n // only emergency switch down if it takes less time to load new fragment at lowest level instead\n // of finishing loading current one ...\n if (fragLevelNextLoadedDelay < fragLoadedDelay) {\n logger.warn(`loading too slow, abort fragment loading and switch to level ${nextLoadLevel}:fragLoadedDelay[${nextLoadLevel}]<fragLoadedDelay[${frag.level - 1}];bufferStarvationDelay:${fragLevelNextLoadedDelay.toFixed(1)}<${fragLoadedDelay.toFixed(1)}:${bufferStarvationDelay.toFixed(1)}`);\n // force next load level in auto mode\n hls.nextLoadLevel = nextLoadLevel;\n // update bw estimate for this fragment before cancelling load (this will help reducing the bw)\n this._bwEstimator.sample(requestDelay, stats.loaded);\n // abort fragment loading\n loader.abort();\n // stop abandon rules timer\n this.clearTimer();\n hls.trigger(Event.FRAG_LOAD_EMERGENCY_ABORTED, { frag: frag, stats: stats });\n }\n }\n }\n }\n }\n\n onFragLoaded (data) {\n const frag = data.frag;\n if (frag.type === 'main' && Number.isFinite(frag.sn)) {\n // stop monitoring bw once frag loaded\n this.clearTimer();\n // store level id after successful fragment load\n this.lastLoadedFragLevel = frag.level;\n // reset forced auto level value so that next level will be selected\n this._nextAutoLevel = -1;\n\n // compute level average bitrate\n if (this.hls.config.abrMaxWithRealBitrate) {\n const level = this.hls.levels[frag.level];\n let loadedBytes = (level.loaded ? level.loaded.bytes : 0) + data.stats.loaded;\n let loadedDuration = (level.loaded ? level.loaded.duration : 0) + data.frag.duration;\n level.loaded = { bytes: loadedBytes, duration: loadedDuration };\n level.realBitrate = Math.round(8 * loadedBytes / loadedDuration);\n }\n // if fragment has been loaded to perform a bitrate test,\n if (data.frag.bitrateTest) {\n let stats = data.stats;\n stats.tparsed = stats.tbuffered = stats.tload;\n this.onFragBuffered(data);\n }\n }\n }\n\n onFragBuffered (data) {\n const stats = data.stats;\n const frag = data.frag;\n // only update stats on first frag buffering\n // if same frag is loaded multiple times, it might be in browser cache, and loaded quickly\n // and leading to wrong bw estimation\n // on bitrate test, also only update stats once (if tload = tbuffered == on FRAG_LOADED)\n if (stats.aborted !== true && frag.type === 'main' && Number.isFinite(frag.sn) && ((!frag.bitrateTest || stats.tload === stats.tbuffered))) {\n // use tparsed-trequest instead of tbuffered-trequest to compute fragLoadingProcessing; rationale is that buffer appending only happens once media is attached\n // in case we use config.startFragPrefetch while media is not attached yet, fragment might be parsed while media not attached yet, but it will only be buffered on media attached\n // as a consequence it could happen really late in the process. meaning that appending duration might appears huge ... leading to underestimated throughput estimation\n let fragLoadingProcessingMs = stats.tparsed - stats.trequest;\n logger.log(`latency/loading/parsing/append/kbps:${Math.round(stats.tfirst - stats.trequest)}/${Math.round(stats.tload - stats.tfirst)}/${Math.round(stats.tparsed - stats.tload)}/${Math.round(stats.tbuffered - stats.tparsed)}/${Math.round(8 * stats.loaded / (stats.tbuffered - stats.trequest))}`);\n this._bwEstimator.sample(fragLoadingProcessingMs, stats.loaded);\n stats.bwEstimate = this._bwEstimator.getEstimate();\n // if fragment has been loaded to perform a bitrate test, (hls.startLevel = -1), store bitrate test delay duration\n if (frag.bitrateTest) {\n this.bitrateTestDelay = fragLoadingProcessingMs / 1000;\n } else {\n this.bitrateTestDelay = 0;\n }\n }\n }\n\n onError (data) {\n // stop timer in case of frag loading error\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n this.clearTimer();\n break;\n default:\n break;\n }\n }\n\n clearTimer () {\n clearInterval(this.timer);\n this.timer = null;\n }\n\n // return next auto level\n get nextAutoLevel () {\n const forcedAutoLevel = this._nextAutoLevel;\n const bwEstimator = this._bwEstimator;\n // in case next auto level has been forced, and bw not available or not reliable, return forced value\n if (forcedAutoLevel !== -1 && (!bwEstimator || !bwEstimator.canEstimate())) {\n return forcedAutoLevel;\n }\n\n // compute next level using ABR logic\n let nextABRAutoLevel = this._nextABRAutoLevel;\n // if forced auto level has been defined, use it to cap ABR computed quality level\n if (forcedAutoLevel !== -1) {\n nextABRAutoLevel = Math.min(forcedAutoLevel, nextABRAutoLevel);\n }\n\n return nextABRAutoLevel;\n }\n get _nextABRAutoLevel () {\n let hls = this.hls;\n const { maxAutoLevel, levels, config, minAutoLevel } = hls;\n const video = hls.media;\n const currentLevel = this.lastLoadedFragLevel;\n const currentFragDuration = this.fragCurrent ? this.fragCurrent.duration : 0;\n const pos = (video ? video.currentTime : 0);\n\n // playbackRate is the absolute value of the playback rate; if video.playbackRate is 0, we use 1 to load as\n // if we're playing back at the normal rate.\n const playbackRate = ((video && (video.playbackRate !== 0)) ? Math.abs(video.playbackRate) : 1.0);\n const avgbw = this._bwEstimator ? this._bwEstimator.getEstimate() : config.abrEwmaDefaultEstimate;\n // bufferStarvationDelay is the wall-clock time left until the playback buffer is exhausted.\n const bufferStarvationDelay = (BufferHelper.bufferInfo(video, pos, config.maxBufferHole).end - pos) / playbackRate;\n\n // First, look to see if we can find a level matching with our avg bandwidth AND that could also guarantee no rebuffering at all\n let bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay, config.abrBandWidthFactor, config.abrBandWidthUpFactor, levels);\n if (bestLevel >= 0) {\n return bestLevel;\n } else {\n logger.trace('rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering');\n // not possible to get rid of rebuffering ... let's try to find level that will guarantee less than maxStarvationDelay of rebuffering\n // if no matching level found, logic will return 0\n let maxStarvationDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxStarvationDelay) : config.maxStarvationDelay;\n let bwFactor = config.abrBandWidthFactor;\n let bwUpFactor = config.abrBandWidthUpFactor;\n\n if (bufferStarvationDelay === 0) {\n // in case buffer is empty, let's check if previous fragment was loaded to perform a bitrate test\n let bitrateTestDelay = this.bitrateTestDelay;\n if (bitrateTestDelay) {\n // if it is the case, then we need to adjust our max starvation delay using maxLoadingDelay config value\n // max video loading delay used in automatic start level selection :\n // in that mode ABR controller will ensure that video loading time (ie the time to fetch the first fragment at lowest quality level +\n // the time to fetch the fragment at the appropriate quality level is less than ```maxLoadingDelay``` )\n // cap maxLoadingDelay and ensure it is not bigger 'than bitrate test' frag duration\n const maxLoadingDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxLoadingDelay) : config.maxLoadingDelay;\n maxStarvationDelay = maxLoadingDelay - bitrateTestDelay;\n logger.trace(`bitrate test took ${Math.round(1000 * bitrateTestDelay)}ms, set first fragment max fetchDuration to ${Math.round(1000 * maxStarvationDelay)} ms`);\n // don't use conservative factor on bitrate test\n bwFactor = bwUpFactor = 1;\n }\n }\n bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay + maxStarvationDelay, bwFactor, bwUpFactor, levels);\n return Math.max(bestLevel, 0);\n }\n }\n\n _findBestLevel (currentLevel, currentFragDuration, currentBw, minAutoLevel, maxAutoLevel, maxFetchDuration, bwFactor, bwUpFactor, levels) {\n for (let i = maxAutoLevel; i >= minAutoLevel; i--) {\n let levelInfo = levels[i];\n\n if (!levelInfo) {\n continue;\n }\n\n const levelDetails = levelInfo.details;\n const avgDuration = levelDetails ? levelDetails.totalduration / levelDetails.fragments.length : currentFragDuration;\n const live = levelDetails ? levelDetails.live : false;\n\n let adjustedbw;\n // follow algorithm captured from stagefright :\n // https://android.googlesource.com/platform/frameworks/av/+/master/media/libstagefright/httplive/LiveSession.cpp\n // Pick the highest bandwidth stream below or equal to estimated bandwidth.\n // consider only 80% of the available bandwidth, but if we are switching up,\n // be even more conservative (70%) to avoid overestimating and immediately\n // switching back.\n if (i <= currentLevel) {\n adjustedbw = bwFactor * currentBw;\n } else {\n adjustedbw = bwUpFactor * currentBw;\n }\n\n const bitrate = levels[i].realBitrate ? Math.max(levels[i].realBitrate, levels[i].bitrate) : levels[i].bitrate;\n const fetchDuration = bitrate * avgDuration / adjustedbw;\n\n logger.trace(`level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: ${i}/${Math.round(adjustedbw)}/${bitrate}/${avgDuration}/${maxFetchDuration}/${fetchDuration}`);\n // if adjusted bw is greater than level bitrate AND\n if (adjustedbw > bitrate &&\n // fragment fetchDuration unknown OR live stream OR fragment fetchDuration less than max allowed fetch duration, then this level matches\n // we don't account for max Fetch Duration for live streams, this is to avoid switching down when near the edge of live sliding window ...\n // special case to support startLevel = -1 (bitrateTest) on live streams : in that case we should not exit loop so that _findBestLevel will return -1\n (!fetchDuration || (live && !this.bitrateTestDelay) || fetchDuration < maxFetchDuration)) {\n // as we are looping from highest to lowest, this will return the best achievable quality level\n return i;\n }\n }\n // not enough time budget even with quality level 0 ... rebuffering might happen\n return -1;\n }\n\n set nextAutoLevel (nextLevel) {\n this._nextAutoLevel = nextLevel;\n }\n}\n\nexport default AbrController;\n","/*\n * Buffer Controller\n */\n\nimport Events from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { getMediaSource } from '../utils/mediasource-helper';\n\nimport { TrackSet } from '../types/track';\nimport { Segment } from '../types/segment';\nimport { BufferControllerConfig } from '../config';\n\n// Add extension properties to SourceBuffers from the DOM API.\ntype ExtendedSourceBuffer = SourceBuffer & {\n ended?: boolean\n};\n\ntype SourceBufferName = 'video' | 'audio';\ntype SourceBuffers = Partial<Record<SourceBufferName, ExtendedSourceBuffer>>;\n\ninterface SourceBufferFlushRange {\n start: number;\n end: number;\n type: SourceBufferName\n}\n\nconst MediaSource = getMediaSource();\n\nclass BufferController extends EventHandler {\n // the value that we have set mediasource.duration to\n // (the actual duration may be tweaked slighly by the browser)\n private _msDuration: number | null = null;\n // the value that we want to set mediaSource.duration to\n private _levelDuration: number | null = null;\n // the target duration of the current media playlist\n private _levelTargetDuration: number = 10;\n // current stream state: true - for live broadcast, false - for VoD content\n private _live: boolean | null = null;\n // cache the self generated object url to detect hijack of video tag\n private _objectUrl: string | null = null;\n\n // signals that the sourceBuffers need to be flushed\n private _needsFlush: boolean = false;\n\n // signals that mediaSource should have endOfStream called\n private _needsEos: boolean = false;\n\n private config: BufferControllerConfig;\n\n // this is optional because this property is removed from the class sometimes\n public audioTimestampOffset?: number;\n\n // The number of BUFFER_CODEC events received before any sourceBuffers are created\n public bufferCodecEventsExpected: number = 0;\n\n // The total number of BUFFER_CODEC events received\n private _bufferCodecEventsTotal: number = 0;\n\n // A reference to the attached media element\n public media: HTMLMediaElement | null = null;\n\n // A reference to the active media source\n public mediaSource: MediaSource | null = null;\n\n // List of pending segments to be appended to source buffer\n public segments: Segment[] = [];\n\n public parent?: string;\n\n // A guard to see if we are currently appending to the source buffer\n public appending: boolean = false;\n\n // counters\n public appended: number = 0;\n public appendError: number = 0;\n public flushBufferCounter: number = 0;\n\n public tracks: TrackSet = {};\n public pendingTracks: TrackSet = {};\n public sourceBuffer: SourceBuffers = {};\n public flushRange: SourceBufferFlushRange[] = [];\n\n constructor (hls: any) {\n super(hls,\n Events.MEDIA_ATTACHING,\n Events.MEDIA_DETACHING,\n Events.MANIFEST_PARSED,\n Events.BUFFER_RESET,\n Events.BUFFER_APPENDING,\n Events.BUFFER_CODECS,\n Events.BUFFER_EOS,\n Events.BUFFER_FLUSHING,\n Events.LEVEL_PTS_UPDATED,\n Events.LEVEL_UPDATED);\n\n this.config = hls.config;\n }\n\n destroy () {\n EventHandler.prototype.destroy.call(this);\n }\n\n onLevelPtsUpdated (data: { type: SourceBufferName, start: number }) {\n let type = data.type;\n let audioTrack = this.tracks.audio;\n\n // Adjusting `SourceBuffer.timestampOffset` (desired point in the timeline where the next frames should be appended)\n // in Chrome browser when we detect MPEG audio container and time delta between level PTS and `SourceBuffer.timestampOffset`\n // is greater than 100ms (this is enough to handle seek for VOD or level change for LIVE videos). At the time of change we issue\n // `SourceBuffer.abort()` and adjusting `SourceBuffer.timestampOffset` if `SourceBuffer.updating` is false or awaiting `updateend`\n // event if SB is in updating state.\n // More info here: https://github.com/video-dev/hls.js/issues/332#issuecomment-257986486\n\n if (type === 'audio' && audioTrack && audioTrack.container === 'audio/mpeg') { // Chrome audio mp3 track\n let audioBuffer = this.sourceBuffer.audio;\n if (!audioBuffer) {\n throw Error('Level PTS Updated and source buffer for audio uninitalized');\n }\n\n let delta = Math.abs(audioBuffer.timestampOffset - data.start);\n\n // adjust timestamp offset if time delta is greater than 100ms\n if (delta > 0.1) {\n let updating = audioBuffer.updating;\n\n try {\n audioBuffer.abort();\n } catch (err) {\n logger.warn('can not abort audio buffer: ' + err);\n }\n\n if (!updating) {\n logger.warn('change mpeg audio timestamp offset from ' + audioBuffer.timestampOffset + ' to ' + data.start);\n audioBuffer.timestampOffset = data.start;\n } else {\n this.audioTimestampOffset = data.start;\n }\n }\n }\n }\n\n onManifestParsed (data: { altAudio: boolean }) {\n // in case of alt audio 2 BUFFER_CODECS events will be triggered, one per stream controller\n // sourcebuffers will be created all at once when the expected nb of tracks will be reached\n // in case alt audio is not used, only one BUFFER_CODEC event will be fired from main stream controller\n // it will contain the expected nb of source buffers, no need to compute it\n this.bufferCodecEventsExpected = this._bufferCodecEventsTotal = data.altAudio ? 2 : 1;\n logger.log(`${this.bufferCodecEventsExpected} bufferCodec event(s) expected`);\n }\n\n onMediaAttaching (data: { media: HTMLMediaElement }) {\n let media = this.media = data.media;\n if (media && MediaSource) {\n // setup the media source\n let ms = this.mediaSource = new MediaSource();\n // Media Source listeners\n ms.addEventListener('sourceopen', this._onMediaSourceOpen);\n ms.addEventListener('sourceended', this._onMediaSourceEnded);\n ms.addEventListener('sourceclose', this._onMediaSourceClose);\n // link video and media Source\n media.src = window.URL.createObjectURL(ms);\n // cache the locally generated object url\n this._objectUrl = media.src;\n }\n }\n\n onMediaDetaching () {\n logger.log('media source detaching');\n let ms = this.mediaSource;\n if (ms) {\n if (ms.readyState === 'open') {\n try {\n // endOfStream could trigger exception if any sourcebuffer is in updating state\n // we don't really care about checking sourcebuffer state here,\n // as we are anyway detaching the MediaSource\n // let's just avoid this exception to propagate\n ms.endOfStream();\n } catch (err) {\n logger.warn(`onMediaDetaching:${err.message} while calling endOfStream`);\n }\n }\n ms.removeEventListener('sourceopen', this._onMediaSourceOpen);\n ms.removeEventListener('sourceended', this._onMediaSourceEnded);\n ms.removeEventListener('sourceclose', this._onMediaSourceClose);\n\n // Detach properly the MediaSource from the HTMLMediaElement as\n // suggested in https://github.com/w3c/media-source/issues/53.\n if (this.media) {\n if (this._objectUrl) {\n window.URL.revokeObjectURL(this._objectUrl);\n }\n\n // clean up video tag src only if it's our own url. some external libraries might\n // hijack the video tag and change its 'src' without destroying the Hls instance first\n if (this.media.src === this._objectUrl) {\n this.media.removeAttribute('src');\n this.media.load();\n } else {\n logger.warn('media.src was changed by a third party - skip cleanup');\n }\n }\n\n this.mediaSource = null;\n this.media = null;\n this._objectUrl = null;\n this.bufferCodecEventsExpected = this._bufferCodecEventsTotal;\n this.pendingTracks = {};\n this.tracks = {};\n this.sourceBuffer = {};\n this.flushRange = [];\n this.segments = [];\n this.appended = 0;\n }\n\n this.hls.trigger(Events.MEDIA_DETACHED);\n }\n\n checkPendingTracks () {\n let { bufferCodecEventsExpected, pendingTracks } = this;\n\n // Check if we've received all of the expected bufferCodec events. When none remain, create all the sourceBuffers at once.\n // This is important because the MSE spec allows implementations to throw QuotaExceededErrors if creating new sourceBuffers after\n // data has been appended to existing ones.\n // 2 tracks is the max (one for audio, one for video). If we've reach this max go ahead and create the buffers.\n const pendingTracksCount = Object.keys(pendingTracks).length;\n if ((pendingTracksCount && !bufferCodecEventsExpected) || pendingTracksCount === 2) {\n // ok, let's create them now !\n this.createSourceBuffers(pendingTracks);\n this.pendingTracks = {};\n // append any pending segments now !\n this.doAppending();\n }\n }\n\n private _onMediaSourceOpen = () => {\n logger.log('media source opened');\n this.hls.trigger(Events.MEDIA_ATTACHED, { media: this.media });\n let mediaSource = this.mediaSource;\n if (mediaSource) {\n // once received, don't listen anymore to sourceopen event\n mediaSource.removeEventListener('sourceopen', this._onMediaSourceOpen);\n }\n this.checkPendingTracks();\n }\n\n private _onMediaSourceClose = () => {\n logger.log('media source closed');\n }\n\n private _onMediaSourceEnded = () => {\n logger.log('media source ended');\n }\n\n private _onSBUpdateEnd = () => {\n // update timestampOffset\n if (this.audioTimestampOffset && this.sourceBuffer.audio) {\n let audioBuffer = this.sourceBuffer.audio;\n\n logger.warn(`change mpeg audio timestamp offset from ${audioBuffer.timestampOffset} to ${this.audioTimestampOffset}`);\n audioBuffer.timestampOffset = this.audioTimestampOffset;\n delete this.audioTimestampOffset;\n }\n\n if (this._needsFlush) {\n this.doFlush();\n }\n\n if (this._needsEos) {\n this.checkEos();\n }\n\n this.appending = false;\n let parent = this.parent;\n // count nb of pending segments waiting for appending on this sourcebuffer\n let pending = this.segments.reduce((counter, segment) => (segment.parent === parent) ? counter + 1 : counter, 0);\n\n // this.sourceBuffer is better to use than media.buffered as it is closer to the PTS data from the fragments\n const timeRanges: Partial<Record<SourceBufferName, TimeRanges>> = {};\n const sbSet = this.sourceBuffer;\n for (let streamType in sbSet) {\n const sb = sbSet[streamType as SourceBufferName];\n if (!sb) {\n throw Error(`handling source buffer update end error: source buffer for ${streamType} uninitilized and unable to update buffered TimeRanges.`);\n }\n timeRanges[streamType as SourceBufferName] = sb.buffered;\n }\n\n this.hls.trigger(Events.BUFFER_APPENDED, { parent, pending, timeRanges });\n // don't append in flushing mode\n if (!this._needsFlush) {\n this.doAppending();\n }\n\n this.updateMediaElementDuration();\n\n // appending goes first\n if (pending === 0) {\n this.flushLiveBackBuffer();\n }\n }\n\n private _onSBUpdateError = (event: Event) => {\n logger.error('sourceBuffer error:', event);\n // according to http://www.w3.org/TR/media-source/#sourcebuffer-append-error\n // this error might not always be fatal (it is fatal if decode error is set, in that case\n // it will be followed by a mediaElement error ...)\n this.hls.trigger(Events.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_APPENDING_ERROR, fatal: false });\n // we don't need to do more than that, as accordin to the spec, updateend will be fired just after\n }\n\n onBufferReset () {\n const sourceBuffer = this.sourceBuffer;\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type];\n try {\n if (sb) {\n if (this.mediaSource) {\n this.mediaSource.removeSourceBuffer(sb);\n }\n sb.removeEventListener('updateend', this._onSBUpdateEnd);\n sb.removeEventListener('error', this._onSBUpdateError);\n }\n } catch (err) {\n }\n }\n this.sourceBuffer = {};\n this.flushRange = [];\n this.segments = [];\n this.appended = 0;\n }\n\n onBufferCodecs (tracks: TrackSet) {\n // if source buffer(s) not created yet, appended buffer tracks in this.pendingTracks\n // if sourcebuffers already created, do nothing ...\n if (Object.keys(this.sourceBuffer).length) {\n return;\n }\n\n Object.keys(tracks).forEach(trackName => {\n this.pendingTracks[trackName] = tracks[trackName];\n });\n\n this.bufferCodecEventsExpected = Math.max(this.bufferCodecEventsExpected - 1, 0);\n if (this.mediaSource && this.mediaSource.readyState === 'open') {\n this.checkPendingTracks();\n }\n }\n\n createSourceBuffers (tracks: TrackSet) {\n const { sourceBuffer, mediaSource } = this;\n if (!mediaSource) {\n throw Error('createSourceBuffers called when mediaSource was null');\n }\n\n for (let trackName in tracks) {\n if (!sourceBuffer[trackName]) {\n let track = tracks[trackName as keyof TrackSet];\n if (!track) {\n throw Error(`source buffer exists for track ${trackName}, however track does not`);\n }\n // use levelCodec as first priority\n let codec = track.levelCodec || track.codec;\n let mimeType = `${track.container};codecs=${codec}`;\n logger.log(`creating sourceBuffer(${mimeType})`);\n try {\n let sb = sourceBuffer[trackName] = mediaSource.addSourceBuffer(mimeType);\n sb.addEventListener('updateend', this._onSBUpdateEnd);\n sb.addEventListener('error', this._onSBUpdateError);\n this.tracks[trackName] = {\n buffer: sb,\n codec: codec,\n id: track.id,\n container: track.container,\n levelCodec: track.levelCodec\n };\n } catch (err) {\n logger.error(`error while trying to add sourceBuffer:${err.message}`);\n this.hls.trigger(Events.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_ADD_CODEC_ERROR, fatal: false, err: err, mimeType: mimeType });\n }\n }\n }\n this.hls.trigger(Events.BUFFER_CREATED, { tracks: this.tracks });\n }\n\n onBufferAppending (data: Segment) {\n if (!this._needsFlush) {\n if (!this.segments) {\n this.segments = [ data ];\n } else {\n this.segments.push(data);\n }\n\n this.doAppending();\n }\n }\n\n // on BUFFER_EOS mark matching sourcebuffer(s) as ended and trigger checkEos()\n // an undefined data.type will mark all buffers as EOS.\n onBufferEos (data: { type?: SourceBufferName }) {\n for (const type in this.sourceBuffer) {\n if (!data.type || data.type === type) {\n const sb = this.sourceBuffer[type as SourceBufferName];\n if (sb && !sb.ended) {\n sb.ended = true;\n logger.log(`${type} sourceBuffer now EOS`);\n }\n }\n }\n\n this.checkEos();\n }\n\n // if all source buffers are marked as ended, signal endOfStream() to MediaSource.\n checkEos () {\n const { sourceBuffer, mediaSource } = this;\n if (!mediaSource || mediaSource.readyState !== 'open') {\n this._needsEos = false;\n return;\n }\n\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type as SourceBufferName];\n if (!sb) continue;\n\n if (!sb.ended) {\n return;\n }\n\n if (sb.updating) {\n this._needsEos = true;\n return;\n }\n }\n\n logger.log('all media data are available, signal endOfStream() to MediaSource and stop loading fragment');\n // Notify the media element that it now has all of the media data\n try {\n mediaSource.endOfStream();\n } catch (e) {\n logger.warn('exception while calling mediaSource.endOfStream()');\n }\n this._needsEos = false;\n }\n\n onBufferFlushing (data: { startOffset: number, endOffset: number, type?: SourceBufferName }) {\n if (data.type) {\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: data.type });\n } else {\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: 'video' });\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: 'audio' });\n }\n\n // attempt flush immediately\n this.flushBufferCounter = 0;\n this.doFlush();\n }\n\n flushLiveBackBuffer () {\n // clear back buffer for live only\n if (!this._live) {\n return;\n }\n\n const liveBackBufferLength = this.config.liveBackBufferLength;\n if (!isFinite(liveBackBufferLength) || liveBackBufferLength < 0) {\n return;\n }\n\n if (!this.media) {\n logger.error('flushLiveBackBuffer called without attaching media');\n return;\n }\n\n const currentTime = this.media.currentTime;\n const sourceBuffer = this.sourceBuffer;\n const bufferTypes = Object.keys(sourceBuffer);\n const targetBackBufferPosition = currentTime - Math.max(liveBackBufferLength, this._levelTargetDuration);\n\n for (let index = bufferTypes.length - 1; index >= 0; index--) {\n const bufferType = bufferTypes[index];\n const sb = sourceBuffer[bufferType as SourceBufferName];\n if (sb) {\n const buffered = sb.buffered;\n // when target buffer start exceeds actual buffer start\n if (buffered.length > 0 && targetBackBufferPosition > buffered.start(0)) {\n // remove buffer up until current time minus minimum back buffer length (removing buffer too close to current\n // time will lead to playback freezing)\n // credits for level target duration - https://github.com/videojs/http-streaming/blob/3132933b6aa99ddefab29c10447624efd6fd6e52/src/segment-loader.js#L91\n if (this.removeBufferRange(bufferType, sb, 0, targetBackBufferPosition)) {\n this.hls.trigger(Events.LIVE_BACK_BUFFER_REACHED, { bufferEnd: targetBackBufferPosition });\n }\n\n }\n }\n }\n }\n\n onLevelUpdated ({ details }: { details: { totalduration: number, targetduration?: number, averagetargetduration?: number, live: boolean, fragments: any[] } }) {\n if (details.fragments.length > 0) {\n this._levelDuration = details.totalduration + details.fragments[0].start;\n this._levelTargetDuration = details.averagetargetduration || details.targetduration || 10;\n this._live = details.live;\n this.updateMediaElementDuration();\n }\n }\n\n /**\n * Update Media Source duration to current level duration or override to Infinity if configuration parameter\n * 'liveDurationInfinity` is set to `true`\n * More details: https://github.com/video-dev/hls.js/issues/355\n */\n updateMediaElementDuration () {\n let { config } = this;\n let duration: number;\n\n if (this._levelDuration === null ||\n !this.media ||\n !this.mediaSource ||\n !this.sourceBuffer ||\n this.media.readyState === 0 ||\n this.mediaSource.readyState !== 'open') {\n return;\n }\n\n for (let type in this.sourceBuffer) {\n const sb = this.sourceBuffer[type];\n if (sb && sb.updating === true) {\n // can't set duration whilst a buffer is updating\n return;\n }\n }\n\n duration = this.media.duration;\n // initialise to the value that the media source is reporting\n if (this._msDuration === null) {\n this._msDuration = this.mediaSource.duration;\n }\n\n if (this._live === true && config.liveDurationInfinity === true) {\n // Override duration to Infinity\n logger.log('Media Source duration is set to Infinity');\n this._msDuration = this.mediaSource.duration = Infinity;\n } else if ((this._levelDuration > this._msDuration && this._levelDuration > duration) || !Number.isFinite(duration)) {\n // levelDuration was the last value we set.\n // not using mediaSource.duration as the browser may tweak this value\n // only update Media Source duration if its value increase, this is to avoid\n // flushing already buffered portion when switching between quality level\n logger.log(`Updating Media Source duration to ${this._levelDuration.toFixed(3)}`);\n this._msDuration = this.mediaSource.duration = this._levelDuration;\n }\n }\n\n doFlush () {\n // loop through all buffer ranges to flush\n while (this.flushRange.length) {\n let range = this.flushRange[0];\n // flushBuffer will abort any buffer append in progress and flush Audio/Video Buffer\n if (this.flushBuffer(range.start, range.end, range.type)) {\n // range flushed, remove from flush array\n this.flushRange.shift();\n this.flushBufferCounter = 0;\n } else {\n this._needsFlush = true;\n // avoid looping, wait for SB update end to retrigger a flush\n return;\n }\n }\n if (this.flushRange.length === 0) {\n // everything flushed\n this._needsFlush = false;\n\n // let's recompute this.appended, which is used to avoid flush looping\n let appended = 0;\n let sourceBuffer = this.sourceBuffer;\n try {\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type];\n if (sb) {\n appended += sb.buffered.length;\n }\n }\n } catch (error) {\n // error could be thrown while accessing buffered, in case sourcebuffer has already been removed from MediaSource\n // this is harmess at this stage, catch this to avoid reporting an internal exception\n logger.error('error while accessing sourceBuffer.buffered');\n }\n this.appended = appended;\n this.hls.trigger(Events.BUFFER_FLUSHED);\n }\n }\n\n doAppending () {\n let { config, hls, segments, sourceBuffer } = this;\n if (!Object.keys(sourceBuffer).length) {\n // early exit if no source buffers have been initialized yet\n return;\n }\n\n if (!this.media || this.media.error) {\n this.segments = [];\n logger.error('trying to append although a media error occured, flush segment and abort');\n return;\n }\n\n if (this.appending) {\n // logger.log(`sb appending in progress`);\n return;\n }\n\n const segment = segments.shift();\n if (!segment) { // handle undefined shift\n return;\n }\n\n try {\n const sb = sourceBuffer[segment.type];\n if (!sb) {\n // in case we don't have any source buffer matching with this segment type,\n // it means that Mediasource fails to create sourcebuffer\n // discard this segment, and trigger update end\n this._onSBUpdateEnd();\n return;\n }\n\n if (sb.updating) {\n // if we are still updating the source buffer from the last segment, place this back at the front of the queue\n segments.unshift(segment);\n return;\n }\n\n // reset sourceBuffer ended flag before appending segment\n sb.ended = false;\n // logger.log(`appending ${segment.content} ${type} SB, size:${segment.data.length}, ${segment.parent}`);\n this.parent = segment.parent;\n sb.appendBuffer(segment.data);\n this.appendError = 0;\n this.appended++;\n this.appending = true;\n } catch (err) {\n // in case any error occured while appending, put back segment in segments table\n logger.error(`error while trying to append buffer:${err.message}`);\n segments.unshift(segment);\n let event = { type: ErrorTypes.MEDIA_ERROR, parent: segment.parent, details: '', fatal: false };\n if (err.code === 22) {\n // QuotaExceededError: http://www.w3.org/TR/html5/infrastructure.html#quotaexceedederror\n // let's stop appending any segments, and report BUFFER_FULL_ERROR error\n this.segments = [];\n event.details = ErrorDetails.BUFFER_FULL_ERROR;\n } else {\n this.appendError++;\n event.details = ErrorDetails.BUFFER_APPEND_ERROR;\n /* with UHD content, we could get loop of quota exceeded error until\n browser is able to evict some data from sourcebuffer. retrying help recovering this\n */\n if (this.appendError > config.appendErrorMaxRetry) {\n logger.log(`fail ${config.appendErrorMaxRetry} times to append segment in sourceBuffer`);\n this.segments = [];\n event.fatal = true;\n }\n }\n hls.trigger(Events.ERROR, event);\n }\n }\n\n /*\n flush specified buffered range,\n return true once range has been flushed.\n as sourceBuffer.remove() is asynchronous, flushBuffer will be retriggered on sourceBuffer update end\n */\n flushBuffer (startOffset: number, endOffset: number, sbType: SourceBufferName): boolean {\n const sourceBuffer = this.sourceBuffer;\n // exit if no sourceBuffers are initialized\n if (!Object.keys(sourceBuffer).length) {\n return true;\n }\n\n let currentTime: string = 'null';\n if (this.media) {\n currentTime = this.media.currentTime.toFixed(3);\n }\n logger.log(`flushBuffer,pos/start/end: ${currentTime}/${startOffset}/${endOffset}`);\n\n // safeguard to avoid infinite looping : don't try to flush more than the nb of appended segments\n if (this.flushBufferCounter >= this.appended) {\n logger.warn('abort flushing too many retries');\n return true;\n }\n\n const sb = sourceBuffer[sbType];\n // we are going to flush buffer, mark source buffer as 'not ended'\n if (sb) {\n sb.ended = false;\n if (!sb.updating) {\n if (this.removeBufferRange(sbType, sb, startOffset, endOffset)) {\n this.flushBufferCounter++;\n return false;\n }\n } else {\n logger.warn('cannot flush, sb updating in progress');\n return false;\n }\n }\n\n logger.log('buffer flushed');\n // everything flushed !\n return true;\n }\n\n /**\n * Removes first buffered range from provided source buffer that lies within given start and end offsets.\n *\n * @param {string} type Type of the source buffer, logging purposes only.\n * @param {SourceBuffer} sb Target SourceBuffer instance.\n * @param {number} startOffset\n * @param {number} endOffset\n *\n * @returns {boolean} True when source buffer remove requested.\n */\n removeBufferRange (type: string, sb: ExtendedSourceBuffer, startOffset: number, endOffset: number): boolean {\n try {\n for (let i = 0; i < sb.buffered.length; i++) {\n let bufStart = sb.buffered.start(i);\n let bufEnd = sb.buffered.end(i);\n let removeStart = Math.max(bufStart, startOffset);\n let removeEnd = Math.min(bufEnd, endOffset);\n\n /* sometimes sourcebuffer.remove() does not flush\n the exact expected time range.\n to avoid rounding issues/infinite loop,\n only flush buffer range of length greater than 500ms.\n */\n if (Math.min(removeEnd, bufEnd) - removeStart > 0.5) {\n let currentTime: string = 'null';\n if (this.media) {\n currentTime = this.media.currentTime.toString();\n }\n\n logger.log(`sb remove ${type} [${removeStart},${removeEnd}], of [${bufStart},${bufEnd}], pos:${currentTime}`);\n sb.remove(removeStart, removeEnd);\n return true;\n }\n }\n } catch (error) {\n logger.warn('removeBufferRange failed', error);\n }\n\n return false;\n }\n}\n\nexport default BufferController;\n","/*\n * cap stream level to media size dimension controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\n\nclass CapLevelController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.FPS_DROP_LEVEL_CAPPING,\n Event.MEDIA_ATTACHING,\n Event.MANIFEST_PARSED,\n Event.BUFFER_CODECS,\n Event.MEDIA_DETACHING);\n\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n this.firstLevel = null;\n this.levels = [];\n this.media = null;\n this.restrictedLevels = [];\n this.timer = null;\n }\n\n destroy () {\n if (this.hls.config.capLevelToPlayerSize) {\n this.media = null;\n this.stopCapping();\n }\n }\n\n onFpsDropLevelCapping (data) {\n // Don't add a restricted level more than once\n if (CapLevelController.isLevelAllowed(data.droppedLevel, this.restrictedLevels)) {\n this.restrictedLevels.push(data.droppedLevel);\n }\n }\n\n onMediaAttaching (data) {\n this.media = data.media instanceof window.HTMLVideoElement ? data.media : null;\n }\n\n onManifestParsed (data) {\n const hls = this.hls;\n this.restrictedLevels = [];\n this.levels = data.levels;\n this.firstLevel = data.firstLevel;\n if (hls.config.capLevelToPlayerSize && data.video) {\n // Start capping immediately if the manifest has signaled video codecs\n this.startCapping();\n }\n }\n\n // Only activate capping when playing a video stream; otherwise, multi-bitrate audio-only streams will be restricted\n // to the first level\n onBufferCodecs (data) {\n const hls = this.hls;\n if (hls.config.capLevelToPlayerSize && data.video) {\n // If the manifest did not signal a video codec capping has been deferred until we're certain video is present\n this.startCapping();\n }\n }\n\n onLevelsUpdated (data) {\n this.levels = data.levels;\n }\n\n onMediaDetaching () {\n this.stopCapping();\n }\n\n detectPlayerSize () {\n if (this.media) {\n let levelsLength = this.levels ? this.levels.length : 0;\n if (levelsLength) {\n const hls = this.hls;\n hls.autoLevelCapping = this.getMaxLevel(levelsLength - 1);\n if (hls.autoLevelCapping > this.autoLevelCapping) {\n // if auto level capping has a higher value for the previous one, flush the buffer using nextLevelSwitch\n // usually happen when the user go to the fullscreen mode.\n hls.streamController.nextLevelSwitch();\n }\n this.autoLevelCapping = hls.autoLevelCapping;\n }\n }\n }\n\n /*\n * returns level should be the one with the dimensions equal or greater than the media (player) dimensions (so the video will be downscaled)\n */\n getMaxLevel (capLevelIndex) {\n if (!this.levels) {\n return -1;\n }\n\n const validLevels = this.levels.filter((level, index) =>\n CapLevelController.isLevelAllowed(index, this.restrictedLevels) && index <= capLevelIndex\n );\n\n return CapLevelController.getMaxLevelByMediaSize(validLevels, this.mediaWidth, this.mediaHeight);\n }\n\n startCapping () {\n if (this.timer) {\n // Don't reset capping if started twice; this can happen if the manifest signals a video codec\n return;\n }\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n this.hls.firstLevel = this.getMaxLevel(this.firstLevel);\n clearInterval(this.timer);\n this.timer = setInterval(this.detectPlayerSize.bind(this), 1000);\n this.detectPlayerSize();\n }\n\n stopCapping () {\n this.restrictedLevels = [];\n this.firstLevel = null;\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n if (this.timer) {\n this.timer = clearInterval(this.timer);\n this.timer = null;\n }\n }\n\n get mediaWidth () {\n let width;\n const media = this.media;\n if (media) {\n width = media.width || media.clientWidth || media.offsetWidth;\n width *= CapLevelController.contentScaleFactor;\n }\n return width;\n }\n\n get mediaHeight () {\n let height;\n const media = this.media;\n if (media) {\n height = media.height || media.clientHeight || media.offsetHeight;\n height *= CapLevelController.contentScaleFactor;\n }\n return height;\n }\n\n static get contentScaleFactor () {\n let pixelRatio = 1;\n try {\n pixelRatio = window.devicePixelRatio;\n } catch (e) {}\n return pixelRatio;\n }\n\n static isLevelAllowed (level, restrictedLevels = []) {\n return restrictedLevels.indexOf(level) === -1;\n }\n\n static getMaxLevelByMediaSize (levels, width, height) {\n if (!levels || (levels && !levels.length)) {\n return -1;\n }\n\n // Levels can have the same dimensions but differing bandwidths - since levels are ordered, we can look to the next\n // to determine whether we've chosen the greatest bandwidth for the media's dimensions\n const atGreatestBandiwdth = (curLevel, nextLevel) => {\n if (!nextLevel) {\n return true;\n }\n\n return curLevel.width !== nextLevel.width || curLevel.height !== nextLevel.height;\n };\n\n // If we run through the loop without breaking, the media's dimensions are greater than every level, so default to\n // the max level\n let maxLevelIndex = levels.length - 1;\n\n for (let i = 0; i < levels.length; i += 1) {\n const level = levels[i];\n if ((level.width >= width || level.height >= height) && atGreatestBandiwdth(level, levels[i + 1])) {\n maxLevelIndex = i;\n break;\n }\n }\n\n return maxLevelIndex;\n }\n}\n\nexport default CapLevelController;\n","/*\n * FPS Controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\n\nconst { performance } = window;\n\nclass FPSController extends EventHandler {\n constructor (hls) {\n super(hls, Event.MEDIA_ATTACHING);\n }\n\n destroy () {\n if (this.timer) {\n clearInterval(this.timer);\n }\n\n this.isVideoPlaybackQualityAvailable = false;\n }\n\n onMediaAttaching (data) {\n const config = this.hls.config;\n if (config.capLevelOnFPSDrop) {\n const video = this.video = data.media instanceof window.HTMLVideoElement ? data.media : null;\n if (typeof video.getVideoPlaybackQuality === 'function') {\n this.isVideoPlaybackQualityAvailable = true;\n }\n\n clearInterval(this.timer);\n this.timer = setInterval(this.checkFPSInterval.bind(this), config.fpsDroppedMonitoringPeriod);\n }\n }\n\n checkFPS (video, decodedFrames, droppedFrames) {\n let currentTime = performance.now();\n if (decodedFrames) {\n if (this.lastTime) {\n let currentPeriod = currentTime - this.lastTime,\n currentDropped = droppedFrames - this.lastDroppedFrames,\n currentDecoded = decodedFrames - this.lastDecodedFrames,\n droppedFPS = 1000 * currentDropped / currentPeriod,\n hls = this.hls;\n hls.trigger(Event.FPS_DROP, { currentDropped: currentDropped, currentDecoded: currentDecoded, totalDroppedFrames: droppedFrames });\n if (droppedFPS > 0) {\n // logger.log('checkFPS : droppedFPS/decodedFPS:' + droppedFPS/(1000 * currentDecoded / currentPeriod));\n if (currentDropped > hls.config.fpsDroppedMonitoringThreshold * currentDecoded) {\n let currentLevel = hls.currentLevel;\n logger.warn('drop FPS ratio greater than max allowed value for currentLevel: ' + currentLevel);\n if (currentLevel > 0 && (hls.autoLevelCapping === -1 || hls.autoLevelCapping >= currentLevel)) {\n currentLevel = currentLevel - 1;\n hls.trigger(Event.FPS_DROP_LEVEL_CAPPING, { level: currentLevel, droppedLevel: hls.currentLevel });\n hls.autoLevelCapping = currentLevel;\n hls.streamController.nextLevelSwitch();\n }\n }\n }\n }\n this.lastTime = currentTime;\n this.lastDroppedFrames = droppedFrames;\n this.lastDecodedFrames = decodedFrames;\n }\n }\n\n checkFPSInterval () {\n const video = this.video;\n if (video) {\n if (this.isVideoPlaybackQualityAvailable) {\n let videoPlaybackQuality = video.getVideoPlaybackQuality();\n this.checkFPS(video, videoPlaybackQuality.totalVideoFrames, videoPlaybackQuality.droppedVideoFrames);\n } else {\n this.checkFPS(video, video.webkitDecodedFrameCount, video.webkitDroppedFrameCount);\n }\n }\n }\n}\n\nexport default FPSController;\n","/**\n * XHR based logger\n*/\n\nimport { logger } from '../utils/logger';\n\nconst { performance, XMLHttpRequest } = window;\n\nclass XhrLoader {\n constructor (config) {\n if (config && config.xhrSetup) {\n this.xhrSetup = config.xhrSetup;\n }\n }\n\n destroy () {\n this.abort();\n this.loader = null;\n }\n\n abort () {\n let loader = this.loader;\n if (loader && loader.readyState !== 4) {\n this.stats.aborted = true;\n loader.abort();\n }\n\n window.clearTimeout(this.requestTimeout);\n this.requestTimeout = null;\n window.clearTimeout(this.retryTimeout);\n this.retryTimeout = null;\n }\n\n load (context, config, callbacks) {\n this.context = context;\n this.config = config;\n this.callbacks = callbacks;\n this.stats = { trequest: performance.now(), retry: 0 };\n this.retryDelay = config.retryDelay;\n this.loadInternal();\n }\n\n loadInternal () {\n let xhr, context = this.context;\n xhr = this.loader = new XMLHttpRequest();\n\n let stats = this.stats;\n stats.tfirst = 0;\n stats.loaded = 0;\n const xhrSetup = this.xhrSetup;\n\n try {\n if (xhrSetup) {\n try {\n xhrSetup(xhr, context.url);\n } catch (e) {\n // fix xhrSetup: (xhr, url) => {xhr.setRequestHeader(\"Content-Language\", \"test\");}\n // not working, as xhr.setRequestHeader expects xhr.readyState === OPEN\n xhr.open('GET', context.url, true);\n xhrSetup(xhr, context.url);\n }\n }\n if (!xhr.readyState) {\n xhr.open('GET', context.url, true);\n }\n } catch (e) {\n // IE11 throws an exception on xhr.open if attempting to access an HTTP resource over HTTPS\n this.callbacks.onError({ code: xhr.status, text: e.message }, context, xhr);\n return;\n }\n\n if (context.rangeEnd) {\n xhr.setRequestHeader('Range', 'bytes=' + context.rangeStart + '-' + (context.rangeEnd - 1));\n }\n\n xhr.onreadystatechange = this.readystatechange.bind(this);\n xhr.onprogress = this.loadprogress.bind(this);\n xhr.responseType = context.responseType;\n\n // setup timeout before we perform request\n this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), this.config.timeout);\n xhr.send();\n }\n\n readystatechange (event) {\n let xhr = event.currentTarget,\n readyState = xhr.readyState,\n stats = this.stats,\n context = this.context,\n config = this.config;\n\n // don't proceed if xhr has been aborted\n if (stats.aborted) {\n return;\n }\n\n // >= HEADERS_RECEIVED\n if (readyState >= 2) {\n // clear xhr timeout and rearm it if readyState less than 4\n window.clearTimeout(this.requestTimeout);\n if (stats.tfirst === 0) {\n stats.tfirst = Math.max(performance.now(), stats.trequest);\n }\n\n if (readyState === 4) {\n let status = xhr.status;\n // http status between 200 to 299 are all successful\n if (status >= 200 && status < 300) {\n stats.tload = Math.max(stats.tfirst, performance.now());\n let data, len;\n if (context.responseType === 'arraybuffer') {\n data = xhr.response;\n len = data.byteLength;\n } else {\n data = xhr.responseText;\n len = data.length;\n }\n stats.loaded = stats.total = len;\n let response = { url: xhr.responseURL, data: data };\n this.callbacks.onSuccess(response, stats, context, xhr);\n } else {\n // if max nb of retries reached or if http status between 400 and 499 (such error cannot be recovered, retrying is useless), return error\n if (stats.retry >= config.maxRetry) {\n logger.error(`${status} while loading ${context.url}`);\n this.callbacks.onError({ code: status, text: xhr.statusText }, context, xhr);\n } else {\n // retry\n logger.warn(`${status} while loading ${context.url}, retrying in ${this.retryDelay}...`);\n // aborts and resets internal state\n this.destroy();\n // schedule retry\n this.retryTimeout = window.setTimeout(this.loadInternal.bind(this), this.retryDelay);\n // set exponential backoff\n this.retryDelay = Math.min(2 * this.retryDelay, config.maxRetryDelay);\n stats.retry++;\n }\n }\n } else {\n // readyState >= 2 AND readyState !==4 (readyState = HEADERS_RECEIVED || LOADING) rearm timeout as xhr not finished yet\n this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), config.timeout);\n }\n }\n }\n\n loadtimeout () {\n logger.warn(`timeout while loading ${this.context.url}`);\n this.callbacks.onTimeout(this.stats, this.context, null);\n }\n\n loadprogress (event) {\n let xhr = event.currentTarget,\n stats = this.stats;\n\n stats.loaded = event.loaded;\n if (event.lengthComputable) {\n stats.total = event.total;\n }\n\n let onProgress = this.callbacks.onProgress;\n if (onProgress) {\n // third arg is to provide on progress data\n onProgress(stats, this.context, null, xhr);\n }\n }\n}\n\nexport default XhrLoader;\n","/**\n * @see https://developer.mozilla.org/en-US/docs/Web/API/Navigator/requestMediaKeySystemAccess\n */\nexport enum KeySystems {\n WIDEVINE = 'com.widevine.alpha',\n PLAYREADY = 'com.microsoft.playready',\n}\n\nexport type MediaKeyFunc = (keySystem: KeySystems, supportedConfigurations: MediaKeySystemConfiguration[]) => Promise<MediaKeySystemAccess>;\nconst requestMediaKeySystemAccess = (function (): MediaKeyFunc | null {\n if (typeof window !== 'undefined' && window.navigator && window.navigator.requestMediaKeySystemAccess) {\n return window.navigator.requestMediaKeySystemAccess.bind(window.navigator);\n } else {\n return null;\n }\n})();\n\nexport {\n requestMediaKeySystemAccess\n};\n","/**\n * HLS config\n */\n\nimport AbrController from './controller/abr-controller';\nimport BufferController from './controller/buffer-controller';\nimport CapLevelController from './controller/cap-level-controller';\nimport FPSController from './controller/fps-controller';\nimport XhrLoader from './utils/xhr-loader';\n// import FetchLoader from './utils/fetch-loader';\n\nimport AudioTrackController from './controller/audio-track-controller';\nimport AudioStreamController from './controller/audio-stream-controller';\n\nimport * as Cues from './utils/cues';\nimport TimelineController from './controller/timeline-controller';\nimport SubtitleTrackController from './controller/subtitle-track-controller';\nimport { SubtitleStreamController } from './controller/subtitle-stream-controller';\nimport EMEController from './controller/eme-controller';\nimport { requestMediaKeySystemAccess, MediaKeyFunc } from './utils/mediakeys-helper';\n\ntype ABRControllerConfig = {\n abrEwmaFastLive: number,\n abrEwmaSlowLive: number,\n abrEwmaFastVoD: number,\n abrEwmaSlowVoD: number,\n abrEwmaDefaultEstimate: number,\n abrBandWidthFactor: number,\n abrBandWidthUpFactor: number,\n abrMaxWithRealBitrate: boolean,\n maxStarvationDelay: number,\n maxLoadingDelay: number,\n};\n\nexport type BufferControllerConfig = {\n appendErrorMaxRetry: number,\n liveDurationInfinity: boolean,\n liveBackBufferLength: number,\n};\n\ntype CapLevelControllerConfig = {\n capLevelToPlayerSize: boolean\n};\n\nexport type EMEControllerConfig = {\n licenseXhrSetup?: (xhr: XMLHttpRequest, url: string) => void,\n emeEnabled: boolean,\n widevineLicenseUrl?: string,\n requestMediaKeySystemAccessFunc: MediaKeyFunc | null,\n};\n\ntype FragmentLoaderConfig = {\n fLoader: any, // TODO(typescript-loader): Once Loader is typed fill this in\n\n fragLoadingTimeOut: number,\n fragLoadingMaxRetry: number,\n fragLoadingRetryDelay: number,\n fragLoadingMaxRetryTimeout: number,\n};\n\ntype FPSControllerConfig = {\n capLevelOnFPSDrop: boolean,\n fpsDroppedMonitoringPeriod: number,\n fpsDroppedMonitoringThreshold: number,\n};\n\ntype LevelControllerConfig = {\n startLevel?: number\n};\n\ntype MP4RemuxerConfig = {\n stretchShortVideoTrack: boolean,\n maxAudioFramesDrift: number,\n};\n\ntype PlaylistLoaderConfig = {\n pLoader: any, // TODO(typescript-loader): Once Loader is typed fill this in\n\n manifestLoadingTimeOut: number,\n manifestLoadingMaxRetry: number,\n manifestLoadingRetryDelay: number,\n manifestLoadingMaxRetryTimeout: number,\n\n levelLoadingTimeOut: number,\n levelLoadingMaxRetry: number,\n levelLoadingRetryDelay: number,\n levelLoadingMaxRetryTimeout: number\n};\n\ntype StreamControllerConfig = {\n autoStartLoad: boolean,\n startPosition: number,\n defaultAudioCodec?: string,\n initialLiveManifestSize: number,\n maxBufferLength: number,\n maxBufferSize: number,\n maxBufferHole: number,\n\n lowBufferWatchdogPeriod: number,\n highBufferWatchdogPeriod: number,\n nudgeOffset: number,\n nudgeMaxRetry: number,\n maxFragLookUpTolerance: number,\n liveSyncDurationCount: number,\n liveMaxLatencyDurationCount: number,\n liveSyncDuration?: number,\n liveMaxLatencyDuration?: number,\n maxMaxBufferLength: number,\n\n startFragPrefetch: boolean,\n};\n\ntype TimelineControllerConfig = {\n cueHandler: any, // TODO(typescript-cues): Type once file is done\n enableCEA708Captions: boolean,\n enableWebVTT: boolean,\n captionsTextTrack1Label: string,\n captionsTextTrack1LanguageCode: string,\n captionsTextTrack2Label: string,\n captionsTextTrack2LanguageCode: string,\n};\n\ntype TSDemuxerConfig = {\n forceKeyFrameOnDiscontinuity: boolean,\n};\n\nexport type HlsConfig =\n {\n debug: boolean,\n enableWorker: boolean,\n enableSoftwareAES: boolean,\n minAutoBitrate: number,\n loader: any, // TODO(typescript-xhrloader): Type once XHR is done\n xhrSetup?: (xhr: XMLHttpRequest, url: string) => void,\n\n // Alt Audio\n audioStreamController?: any, // TODO(typescript-audiostreamcontroller): Type once file is done\n audioTrackController?: any, // TODO(typescript-audiotrackcontroller): Type once file is done\n // Subtitle\n subtitleStreamController?: any, // TODO(typescript-subtitlestreamcontroller): Type once file is done\n subtitleTrackController?: any, // TODO(typescript-subtitletrackcontroller): Type once file is done\n timelineController?: any, // TODO(typescript-timelinecontroller): Type once file is done\n // EME\n emeController?: typeof EMEController,\n\n abrController: any, // TODO(typescript-abrcontroller): Type once file is done\n bufferController: typeof BufferController,\n capLevelController: any, // TODO(typescript-caplevelcontroller): Type once file is done\n fpsController: any, // TODO(typescript-fpscontroller): Type once file is done\n } &\n ABRControllerConfig &\n BufferControllerConfig &\n CapLevelControllerConfig &\n EMEControllerConfig &\n FPSControllerConfig &\n FragmentLoaderConfig &\n LevelControllerConfig &\n MP4RemuxerConfig &\n PlaylistLoaderConfig &\n StreamControllerConfig &\n Partial<TimelineControllerConfig> &\n TSDemuxerConfig;\n\n// If possible, keep hlsDefaultConfig shallow\n// It is cloned whenever a new Hls instance is created, by keeping the config\n// shallow the properties are cloned, and we don't end up manipulating the default\nexport const hlsDefaultConfig: HlsConfig = {\n autoStartLoad: true, // used by stream-controller\n startPosition: -1, // used by stream-controller\n defaultAudioCodec: void 0, // used by stream-controller\n debug: false, // used by logger\n capLevelOnFPSDrop: false, // used by fps-controller\n capLevelToPlayerSize: false, // used by cap-level-controller\n initialLiveManifestSize: 1, // used by stream-controller\n maxBufferLength: 30, // used by stream-controller\n maxBufferSize: 60 * 1000 * 1000, // used by stream-controller\n maxBufferHole: 0.5, // used by stream-controller\n\n lowBufferWatchdogPeriod: 0.5, // used by stream-controller\n highBufferWatchdogPeriod: 3, // used by stream-controller\n nudgeOffset: 0.1, // used by stream-controller\n nudgeMaxRetry: 3, // used by stream-controller\n maxFragLookUpTolerance: 0.25, // used by stream-controller\n liveSyncDurationCount: 3, // used by stream-controller\n liveMaxLatencyDurationCount: Infinity, // used by stream-controller\n liveSyncDuration: void 0, // used by stream-controller\n liveMaxLatencyDuration: void 0, // used by stream-controller\n liveDurationInfinity: false, // used by buffer-controller\n liveBackBufferLength: Infinity, // used by buffer-controller\n maxMaxBufferLength: 600, // used by stream-controller\n enableWorker: true, // used by demuxer\n enableSoftwareAES: true, // used by decrypter\n manifestLoadingTimeOut: 10000, // used by playlist-loader\n manifestLoadingMaxRetry: 1, // used by playlist-loader\n manifestLoadingRetryDelay: 1000, // used by playlist-loader\n manifestLoadingMaxRetryTimeout: 64000, // used by playlist-loader\n startLevel: void 0, // used by level-controller\n levelLoadingTimeOut: 10000, // used by playlist-loader\n levelLoadingMaxRetry: 4, // used by playlist-loader\n levelLoadingRetryDelay: 1000, // used by playlist-loader\n levelLoadingMaxRetryTimeout: 64000, // used by playlist-loader\n fragLoadingTimeOut: 20000, // used by fragment-loader\n fragLoadingMaxRetry: 6, // used by fragment-loader\n fragLoadingRetryDelay: 1000, // used by fragment-loader\n fragLoadingMaxRetryTimeout: 64000, // used by fragment-loader\n startFragPrefetch: false, // used by stream-controller\n fpsDroppedMonitoringPeriod: 5000, // used by fps-controller\n fpsDroppedMonitoringThreshold: 0.2, // used by fps-controller\n appendErrorMaxRetry: 3, // used by buffer-controller\n loader: XhrLoader,\n // loader: FetchLoader,\n fLoader: void 0, // used by fragment-loader\n pLoader: void 0, // used by playlist-loader\n xhrSetup: void 0, // used by xhr-loader\n licenseXhrSetup: void 0, // used by eme-controller\n // fetchSetup: void 0,\n abrController: AbrController,\n bufferController: BufferController,\n capLevelController: CapLevelController,\n fpsController: FPSController,\n stretchShortVideoTrack: false, // used by mp4-remuxer\n maxAudioFramesDrift: 1, // used by mp4-remuxer\n forceKeyFrameOnDiscontinuity: true, // used by ts-demuxer\n abrEwmaFastLive: 3, // used by abr-controller\n abrEwmaSlowLive: 9, // used by abr-controller\n abrEwmaFastVoD: 3, // used by abr-controller\n abrEwmaSlowVoD: 9, // used by abr-controller\n abrEwmaDefaultEstimate: 5e5, // 500 kbps // used by abr-controller\n abrBandWidthFactor: 0.95, // used by abr-controller\n abrBandWidthUpFactor: 0.7, // used by abr-controller\n abrMaxWithRealBitrate: false, // used by abr-controller\n maxStarvationDelay: 4, // used by abr-controller\n maxLoadingDelay: 4, // used by abr-controller\n minAutoBitrate: 0, // used by hls\n emeEnabled: false, // used by eme-controller\n widevineLicenseUrl: void 0, // used by eme-controller\n requestMediaKeySystemAccessFunc: requestMediaKeySystemAccess, // used by eme-controller\n\n // Dynamic Modules\n ...timelineConfig(),\n subtitleStreamController: (__USE_SUBTITLES__) ? SubtitleStreamController : void 0,\n subtitleTrackController: (__USE_SUBTITLES__) ? SubtitleTrackController : void 0,\n timelineController: (__USE_SUBTITLES__) ? TimelineController : void 0,\n audioStreamController: (__USE_ALT_AUDIO__) ? AudioStreamController : void 0,\n audioTrackController: (__USE_ALT_AUDIO__) ? AudioTrackController : void 0,\n emeController: (__USE_EME_DRM__) ? EMEController : void 0\n};\n\nfunction timelineConfig (): TimelineControllerConfig {\n if (!__USE_SUBTITLES__) {\n // intentionally doing this over returning Partial<TimelineControllerConfig> above\n // this has the added nice property of still requiring the object below to completely define all props.\n return {} as any;\n }\n return {\n cueHandler: Cues, // used by timeline-controller\n enableCEA708Captions: true, // used by timeline-controller\n enableWebVTT: true, // used by timeline-controller\n captionsTextTrack1Label: 'English', // used by timeline-controller\n captionsTextTrack1LanguageCode: 'en', // used by timeline-controller\n captionsTextTrack2Label: 'Spanish', // used by timeline-controller\n captionsTextTrack2LanguageCode: 'es' // used by timeline-controller\n };\n}\n","import * as URLToolkit from 'url-toolkit';\n\nimport {\n ErrorTypes,\n ErrorDetails\n} from './errors';\n\nimport PlaylistLoader from './loader/playlist-loader';\nimport FragmentLoader from './loader/fragment-loader';\nimport KeyLoader from './loader/key-loader';\n\nimport { FragmentTracker } from './controller/fragment-tracker';\nimport StreamController from './controller/stream-controller';\nimport LevelController from './controller/level-controller';\nimport ID3TrackController from './controller/id3-track-controller';\n\nimport { isSupported } from './is-supported';\nimport { logger, enableLogs } from './utils/logger';\nimport { hlsDefaultConfig, HlsConfig } from './config';\n\nimport HlsEvents from './events';\n\nimport { Observer } from './observer';\n\n/**\n * @module Hls\n * @class\n * @constructor\n */\nexport default class Hls extends Observer {\n public static defaultConfig?: HlsConfig;\n public config: HlsConfig;\n\n private _autoLevelCapping: number;\n private abrController: any;\n private capLevelController: any;\n private levelController: any;\n private streamController: any;\n private networkControllers: any[];\n private audioTrackController: any;\n private subtitleTrackController: any;\n private emeController: any;\n private coreComponents: any[];\n private media: HTMLMediaElement | null = null;\n private url: string | null = null;\n\n /**\n * @type {string}\n */\n static get version (): string {\n return __VERSION__;\n }\n\n /**\n * @type {boolean}\n */\n static isSupported (): boolean {\n return isSupported();\n }\n\n /**\n * @type {HlsEvents}\n */\n static get Events () {\n return HlsEvents;\n }\n\n /**\n * @type {HlsErrorTypes}\n */\n static get ErrorTypes () {\n return ErrorTypes;\n }\n\n /**\n * @type {HlsErrorDetails}\n */\n static get ErrorDetails () {\n return ErrorDetails;\n }\n\n /**\n * @type {HlsConfig}\n */\n static get DefaultConfig (): HlsConfig {\n if (!Hls.defaultConfig) {\n return hlsDefaultConfig;\n }\n\n return Hls.defaultConfig;\n }\n\n /**\n * @type {HlsConfig}\n */\n static set DefaultConfig (defaultConfig: HlsConfig) {\n Hls.defaultConfig = defaultConfig;\n }\n\n /**\n * Creates an instance of an HLS client that can attach to exactly one `HTMLMediaElement`.\n *\n * @constructs Hls\n * @param {HlsConfig} config\n */\n constructor (userConfig: Partial<HlsConfig> = {}) {\n super();\n\n const defaultConfig = Hls.DefaultConfig;\n\n if ((userConfig.liveSyncDurationCount || userConfig.liveMaxLatencyDurationCount) && (userConfig.liveSyncDuration || userConfig.liveMaxLatencyDuration)) {\n throw new Error('Illegal hls.js config: don\\'t mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration');\n }\n\n // Shallow clone\n this.config = {\n ...defaultConfig,\n ...userConfig\n };\n\n const { config } = this;\n\n if (config.liveMaxLatencyDurationCount !== void 0 && config.liveMaxLatencyDurationCount <= config.liveSyncDurationCount) {\n throw new Error('Illegal hls.js config: \"liveMaxLatencyDurationCount\" must be gt \"liveSyncDurationCount\"');\n }\n\n if (config.liveMaxLatencyDuration !== void 0 && (config.liveSyncDuration === void 0 || config.liveMaxLatencyDuration <= config.liveSyncDuration)) {\n throw new Error('Illegal hls.js config: \"liveMaxLatencyDuration\" must be gt \"liveSyncDuration\"');\n }\n\n enableLogs(config.debug);\n\n this._autoLevelCapping = -1;\n\n // core controllers and network loaders\n\n /**\n * @member {AbrController} abrController\n */\n const abrController = this.abrController = new config.abrController(this); // eslint-disable-line new-cap\n const bufferController = new config.bufferController(this); // eslint-disable-line new-cap\n const capLevelController = this.capLevelController = new config.capLevelController(this); // eslint-disable-line new-cap\n const fpsController = new config.fpsController(this); // eslint-disable-line new-cap\n const playListLoader = new PlaylistLoader(this);\n const fragmentLoader = new FragmentLoader(this);\n const keyLoader = new KeyLoader(this);\n const id3TrackController = new ID3TrackController(this);\n\n // network controllers\n\n /**\n * @member {LevelController} levelController\n */\n const levelController = this.levelController = new LevelController(this);\n\n // FIXME: FragmentTracker must be defined before StreamController because the order of event handling is important\n const fragmentTracker = new FragmentTracker(this);\n\n /**\n * @member {StreamController} streamController\n */\n const streamController = this.streamController = new StreamController(this, fragmentTracker);\n\n let networkControllers = [levelController, streamController];\n\n // optional audio stream controller\n /**\n * @var {ICoreComponent | Controller}\n */\n let Controller = config.audioStreamController;\n if (Controller) {\n networkControllers.push(new Controller(this, fragmentTracker));\n }\n\n /**\n * @member {INetworkController[]} networkControllers\n */\n this.networkControllers = networkControllers;\n\n /**\n * @var {ICoreComponent[]}\n */\n const coreComponents = [\n playListLoader,\n fragmentLoader,\n keyLoader,\n abrController,\n bufferController,\n capLevelController,\n fpsController,\n id3TrackController,\n fragmentTracker\n ];\n\n // optional audio track and subtitle controller\n Controller = config.audioTrackController;\n if (Controller) {\n const audioTrackController = new Controller(this);\n\n /**\n * @member {AudioTrackController} audioTrackController\n */\n this.audioTrackController = audioTrackController;\n coreComponents.push(audioTrackController);\n }\n\n Controller = config.subtitleTrackController;\n if (Controller) {\n const subtitleTrackController = new Controller(this);\n\n /**\n * @member {SubtitleTrackController} subtitleTrackController\n */\n this.subtitleTrackController = subtitleTrackController;\n networkControllers.push(subtitleTrackController);\n }\n\n Controller = config.emeController;\n if (Controller) {\n const emeController = new Controller(this);\n\n /**\n * @member {EMEController} emeController\n */\n this.emeController = emeController;\n coreComponents.push(emeController);\n }\n\n // optional subtitle controllers\n Controller = config.subtitleStreamController;\n if (Controller) {\n networkControllers.push(new Controller(this, fragmentTracker));\n }\n Controller = config.timelineController;\n if (Controller) {\n coreComponents.push(new Controller(this));\n }\n\n /**\n * @member {ICoreComponent[]}\n */\n this.coreComponents = coreComponents;\n }\n\n /**\n * Dispose of the instance\n */\n destroy () {\n logger.log('destroy');\n this.trigger(HlsEvents.DESTROYING);\n this.detachMedia();\n this.coreComponents.concat(this.networkControllers).forEach(component => {\n component.destroy();\n });\n this.url = null;\n this.removeAllListeners();\n this._autoLevelCapping = -1;\n }\n\n /**\n * Attach a media element\n * @param {HTMLMediaElement} media\n */\n attachMedia (media: HTMLMediaElement) {\n logger.log('attachMedia');\n this.media = media;\n this.trigger(HlsEvents.MEDIA_ATTACHING, { media: media });\n }\n\n /**\n * Detach from the media\n */\n detachMedia () {\n logger.log('detachMedia');\n this.trigger(HlsEvents.MEDIA_DETACHING);\n this.media = null;\n }\n\n /**\n * Set the source URL. Can be relative or absolute.\n * @param {string} url\n */\n loadSource (url: string) {\n url = URLToolkit.buildAbsoluteURL(window.location.href, url, { alwaysNormalize: true });\n logger.log(`loadSource:${url}`);\n this.url = url;\n // when attaching to a source URL, trigger a playlist load\n this.trigger(HlsEvents.MANIFEST_LOADING, { url: url });\n }\n\n /**\n * Start loading data from the stream source.\n * Depending on default config, client starts loading automatically when a source is set.\n *\n * @param {number} startPosition Set the start position to stream from\n * @default -1 None (from earliest point)\n */\n startLoad (startPosition: number = -1) {\n logger.log(`startLoad(${startPosition})`);\n this.networkControllers.forEach(controller => {\n controller.startLoad(startPosition);\n });\n }\n\n /**\n * Stop loading of any stream data.\n */\n stopLoad () {\n logger.log('stopLoad');\n this.networkControllers.forEach(controller => {\n controller.stopLoad();\n });\n }\n\n /**\n * Swap through possible audio codecs in the stream (for example to switch from stereo to 5.1)\n */\n swapAudioCodec () {\n logger.log('swapAudioCodec');\n this.streamController.swapAudioCodec();\n }\n\n /**\n * When the media-element fails, this allows to detach and then re-attach it\n * as one call (convenience method).\n *\n * Automatic recovery of media-errors by this process is configurable.\n */\n recoverMediaError () {\n logger.log('recoverMediaError');\n let media = this.media;\n this.detachMedia();\n if (media) {\n this.attachMedia(media);\n }\n }\n\n /**\n * @type {QualityLevel[]}\n */\n // todo(typescript-levelController)\n get levels (): any[] {\n return this.levelController.levels;\n }\n\n /**\n * Index of quality level currently played\n * @type {number}\n */\n get currentLevel (): number {\n return this.streamController.currentLevel;\n }\n\n /**\n * Set quality level index immediately .\n * This will flush the current buffer to replace the quality asap.\n * That means playback will interrupt at least shortly to re-buffer and re-sync eventually.\n * @type {number} -1 for automatic level selection\n */\n set currentLevel (newLevel: number) {\n logger.log(`set currentLevel:${newLevel}`);\n this.loadLevel = newLevel;\n this.streamController.immediateLevelSwitch();\n }\n\n /**\n * Index of next quality level loaded as scheduled by stream controller.\n * @type {number}\n */\n get nextLevel (): number {\n return this.streamController.nextLevel;\n }\n\n /**\n * Set quality level index for next loaded data.\n * This will switch the video quality asap, without interrupting playback.\n * May abort current loading of data, and flush parts of buffer (outside currently played fragment region).\n * @type {number} -1 for automatic level selection\n */\n set nextLevel (newLevel: number) {\n logger.log(`set nextLevel:${newLevel}`);\n this.levelController.manualLevel = newLevel;\n this.streamController.nextLevelSwitch();\n }\n\n /**\n * Return the quality level of the currently or last (of none is loaded currently) segment\n * @type {number}\n */\n get loadLevel (): number {\n return this.levelController.level;\n }\n\n /**\n * Set quality level index for next loaded data in a conservative way.\n * This will switch the quality without flushing, but interrupt current loading.\n * Thus the moment when the quality switch will appear in effect will only be after the already existing buffer.\n * @type {number} newLevel -1 for automatic level selection\n */\n set loadLevel (newLevel: number) {\n logger.log(`set loadLevel:${newLevel}`);\n this.levelController.manualLevel = newLevel;\n }\n\n /**\n * get next quality level loaded\n * @type {number}\n */\n get nextLoadLevel (): number {\n return this.levelController.nextLoadLevel;\n }\n\n /**\n * Set quality level of next loaded segment in a fully \"non-destructive\" way.\n * Same as `loadLevel` but will wait for next switch (until current loading is done).\n * @type {number} level\n */\n set nextLoadLevel (level: number) {\n this.levelController.nextLoadLevel = level;\n }\n\n /**\n * Return \"first level\": like a default level, if not set,\n * falls back to index of first level referenced in manifest\n * @type {number}\n */\n get firstLevel (): number {\n return Math.max(this.levelController.firstLevel, this.minAutoLevel);\n }\n\n /**\n * Sets \"first-level\", see getter.\n * @type {number}\n */\n set firstLevel (newLevel: number) {\n logger.log(`set firstLevel:${newLevel}`);\n this.levelController.firstLevel = newLevel;\n }\n\n /**\n * Return start level (level of first fragment that will be played back)\n * if not overrided by user, first level appearing in manifest will be used as start level\n * if -1 : automatic start level selection, playback will start from level matching download bandwidth\n * (determined from download of first segment)\n * @type {number}\n */\n get startLevel (): number {\n return this.levelController.startLevel;\n }\n\n /**\n * set start level (level of first fragment that will be played back)\n * if not overrided by user, first level appearing in manifest will be used as start level\n * if -1 : automatic start level selection, playback will start from level matching download bandwidth\n * (determined from download of first segment)\n * @type {number} newLevel\n */\n set startLevel (newLevel: number) {\n logger.log(`set startLevel:${newLevel}`);\n // if not in automatic start level detection, ensure startLevel is greater than minAutoLevel\n if (newLevel !== -1) {\n newLevel = Math.max(newLevel, this.minAutoLevel);\n }\n\n this.levelController.startLevel = newLevel;\n }\n\n /**\n * set dynamically set capLevelToPlayerSize against (`CapLevelController`)\n *\n * @type {boolean}\n */\n set capLevelToPlayerSize (shouldStartCapping: boolean) {\n const newCapLevelToPlayerSize = !!shouldStartCapping;\n\n if (newCapLevelToPlayerSize !== this.config.capLevelToPlayerSize) {\n if (newCapLevelToPlayerSize) {\n this.capLevelController.startCapping(); // If capping occurs, nextLevelSwitch will happen based on size.\n } else {\n this.capLevelController.stopCapping();\n this.autoLevelCapping = -1;\n this.streamController.nextLevelSwitch(); // Now we're uncapped, get the next level asap.\n }\n\n this.config.capLevelToPlayerSize = newCapLevelToPlayerSize;\n }\n }\n\n /**\n * Capping/max level value that should be used by automatic level selection algorithm (`ABRController`)\n * @type {number}\n */\n get autoLevelCapping (): number {\n return this._autoLevelCapping;\n }\n\n /**\n * get bandwidth estimate\n * @type {number}\n */\n get bandwidthEstimate (): number {\n const bwEstimator = this.abrController._bwEstimator;\n return bwEstimator ? bwEstimator.getEstimate() : NaN;\n }\n\n /**\n * Capping/max level value that should be used by automatic level selection algorithm (`ABRController`)\n * @type {number}\n */\n set autoLevelCapping (newLevel: number) {\n logger.log(`set autoLevelCapping:${newLevel}`);\n this._autoLevelCapping = newLevel;\n }\n\n /**\n * True when automatic level selection enabled\n * @type {boolean}\n */\n get autoLevelEnabled (): boolean {\n return (this.levelController.manualLevel === -1);\n }\n\n /**\n * Level set manually (if any)\n * @type {number}\n */\n get manualLevel (): number {\n return this.levelController.manualLevel;\n }\n\n /**\n * min level selectable in auto mode according to config.minAutoBitrate\n * @type {number}\n */\n get minAutoLevel (): number {\n const { levels, config: { minAutoBitrate } } = this;\n const len = levels ? levels.length : 0;\n\n for (let i = 0; i < len; i++) {\n const levelNextBitrate = levels[i].realBitrate\n ? Math.max(levels[i].realBitrate, levels[i].bitrate)\n : levels[i].bitrate;\n\n if (levelNextBitrate > minAutoBitrate) {\n return i;\n }\n }\n\n return 0;\n }\n\n /**\n * max level selectable in auto mode according to autoLevelCapping\n * @type {number}\n */\n get maxAutoLevel (): number {\n const { levels, autoLevelCapping } = this;\n\n let maxAutoLevel;\n if (autoLevelCapping === -1 && levels && levels.length) {\n maxAutoLevel = levels.length - 1;\n } else {\n maxAutoLevel = autoLevelCapping;\n }\n\n return maxAutoLevel;\n }\n\n /**\n * next automatically selected quality level\n * @type {number}\n */\n get nextAutoLevel (): number {\n // ensure next auto level is between min and max auto level\n return Math.min(Math.max(this.abrController.nextAutoLevel, this.minAutoLevel), this.maxAutoLevel);\n }\n\n /**\n * this setter is used to force next auto level.\n * this is useful to force a switch down in auto mode:\n * in case of load error on level N, hls.js can set nextAutoLevel to N-1 for example)\n * forced value is valid for one fragment. upon succesful frag loading at forced level,\n * this value will be resetted to -1 by ABR controller.\n * @type {number}\n */\n set nextAutoLevel (nextLevel: number) {\n this.abrController.nextAutoLevel = Math.max(this.minAutoLevel, nextLevel);\n }\n\n /**\n * @type {AudioTrack[]}\n */\n // todo(typescript-audioTrackController)\n get audioTracks (): any[] {\n const audioTrackController = this.audioTrackController;\n return audioTrackController ? audioTrackController.audioTracks : [];\n }\n\n /**\n * index of the selected audio track (index in audio track lists)\n * @type {number}\n */\n get audioTrack (): number {\n const audioTrackController = this.audioTrackController;\n return audioTrackController ? audioTrackController.audioTrack : -1;\n }\n\n /**\n * selects an audio track, based on its index in audio track lists\n * @type {number}\n */\n set audioTrack (audioTrackId: number) {\n const audioTrackController = this.audioTrackController;\n if (audioTrackController) {\n audioTrackController.audioTrack = audioTrackId;\n }\n }\n\n /**\n * @type {Seconds}\n */\n get liveSyncPosition (): number {\n return this.streamController.liveSyncPosition;\n }\n\n /**\n * get alternate subtitle tracks list from playlist\n * @type {SubtitleTrack[]}\n */\n // todo(typescript-subtitleTrackController)\n get subtitleTracks (): any[] {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleTracks : [];\n }\n\n /**\n * index of the selected subtitle track (index in subtitle track lists)\n * @type {number}\n */\n get subtitleTrack (): number {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleTrack : -1;\n }\n\n /**\n * select an subtitle track, based on its index in subtitle track lists\n * @type {number}\n */\n set subtitleTrack (subtitleTrackId: number) {\n const subtitleTrackController = this.subtitleTrackController;\n if (subtitleTrackController) {\n subtitleTrackController.subtitleTrack = subtitleTrackId;\n }\n }\n\n /**\n * @type {boolean}\n */\n get subtitleDisplay (): boolean {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleDisplay : false;\n }\n\n /**\n * Enable/disable subtitle display rendering\n * @type {boolean}\n */\n set subtitleDisplay (value: boolean) {\n const subtitleTrackController = this.subtitleTrackController;\n if (subtitleTrackController) {\n subtitleTrackController.subtitleDisplay = value;\n }\n }\n}\n","export const isFiniteNumber = Number.isFinite || function (value) {\n return typeof value === 'number' && isFinite(value);\n};\n","export function getSelfScope () {\n // see https://stackoverflow.com/a/11237259/589493\n if (typeof window === 'undefined') {\n /* eslint-disable-next-line no-undef */\n return self;\n } else {\n return window;\n }\n}\n","import { getSelfScope } from './get-self-scope';\n\nfunction noop (...args) {}\n\nconst fakeLogger = {\n trace: noop,\n debug: noop,\n log: noop,\n warn: noop,\n info: noop,\n error: noop\n};\n\nlet exportedLogger = fakeLogger;\n\n// let lastCallTime;\n// function formatMsgWithTimeInfo(type, msg) {\n// const now = Date.now();\n// const diff = lastCallTime ? '+' + (now - lastCallTime) : '0';\n// lastCallTime = now;\n// msg = (new Date(now)).toISOString() + ' | [' + type + '] > ' + msg + ' ( ' + diff + ' ms )';\n// return msg;\n// }\n\nfunction formatMsg (type, msg) {\n msg = '[' + type + '] > ' + msg;\n return msg;\n}\n\nconst global = getSelfScope();\n\nfunction consolePrintFn (type) {\n const func = global.console[type];\n if (func) {\n return function (...args) {\n if (args[0]) {\n args[0] = formatMsg(type, args[0]);\n }\n\n func.apply(global.console, args);\n };\n }\n return noop;\n}\n\nfunction exportLoggerFunctions (debugConfig, ...functions) {\n functions.forEach(function (type) {\n exportedLogger[type] = debugConfig[type] ? debugConfig[type].bind(debugConfig) : consolePrintFn(type);\n });\n}\n\nexport const enableLogs = function (debugConfig) {\n // check that console is available\n if ((global.console && debugConfig === true) || typeof debugConfig === 'object') {\n exportLoggerFunctions(debugConfig,\n // Remove out from list here to hard-disable a log-level\n // 'trace',\n 'debug',\n 'log',\n 'info',\n 'warn',\n 'error'\n );\n // Some browsers don't allow to use bind on console object anyway\n // fallback to default if needed\n try {\n exportedLogger.log();\n } catch (e) {\n exportedLogger = fakeLogger;\n }\n } else {\n exportedLogger = fakeLogger;\n }\n};\n\nexport const logger = exportedLogger;\n"],"sourceRoot":""} \ No newline at end of file diff --git a/dist/hls.light.min.js b/dist/hls.light.min.js index 531ae4e5b0d..71a8de2c211 100644 --- a/dist/hls.light.min.js +++ b/dist/hls.light.min.js @@ -1,2 +1,2 @@ -"undefined"!=typeof window&&function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.Hls=t():e.Hls=t()}(this,(function(){return function(e){var t={};function r(a){if(t[a])return t[a].exports;var i=t[a]={i:a,l:!1,exports:{}};return e[a].call(i.exports,i,i.exports,r),i.l=!0,i.exports}return r.m=e,r.c=t,r.d=function(e,t,a){r.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:a})},r.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.t=function(e,t){if(1&t&&(e=r(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var a=Object.create(null);if(r.r(a),Object.defineProperty(a,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var i in e)r.d(a,i,function(t){return e[t]}.bind(null,i));return a},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},r.p="/dist/",r(r.s=13)}([function(e,t,r){"use strict";r.d(t,"a",(function(){return u})),r.d(t,"b",(function(){return f}));var a=r(5);function i(){}var n={trace:i,debug:i,log:i,warn:i,info:i,error:i},s=n;function o(e,t){return t="["+e+"] > "+t}var l=Object(a.a)();function d(e){var t=l.console[e];return t?function(){for(var r=arguments.length,a=new Array(r),i=0;i<r;i++)a[i]=arguments[i];a[0]&&(a[0]=o(e,a[0])),t.apply(l.console,a)}:i}var u=function(e){if(l.console&&!0===e||"object"==typeof e){!function(e){for(var t=arguments.length,r=new Array(t>1?t-1:0),a=1;a<t;a++)r[a-1]=arguments[a];r.forEach((function(t){s[t]=e[t]?e[t].bind(e):d(t)}))}(e,"debug","log","info","warn","error");try{s.log()}catch(e){s=n}}else s=n},f=s},function(e,t,r){"use strict";var a,i=((a={MEDIA_ATTACHING:"hlsMediaAttaching",MEDIA_ATTACHED:"hlsMediaAttached",MEDIA_DETACHING:"hlsMediaDetaching",MEDIA_DETACHED:"hlsMediaDetached",BUFFER_RESET:"hlsBufferReset",BUFFER_CODECS:"hlsBufferCodecs",BUFFER_CREATED:"hlsBufferCreated",BUFFER_APPENDING:"hlsBufferAppending",BUFFER_APPENDED:"hlsBufferAppended",BUFFER_EOS:"hlsBufferEos",BUFFER_FLUSHING:"hlsBufferFlushing",BUFFER_FLUSHED:"hlsBufferFlushed",MANIFEST_LOADING:"hlsManifestLoading",MANIFEST_LOADED:"hlsManifestLoaded",MANIFEST_PARSED:"hlsManifestParsed",LEVEL_SWITCHING:"hlsLevelSwitching",LEVEL_SWITCHED:"hlsLevelSwitched",LEVEL_LOADING:"hlsLevelLoading",LEVEL_LOADED:"hlsLevelLoaded",LEVEL_UPDATED:"hlsLevelUpdated",LEVEL_PTS_UPDATED:"hlsLevelPtsUpdated",LIVE_BACK_BUFFER_REACHED:"hlsLiveBackBufferReached",AUDIO_TRACKS_UPDATED:"hlsAudioTracksUpdated",AUDIO_TRACK_SWITCHING:"hlsAudioTrackSwitching",AUDIO_TRACK_SWITCHED:"hlsAudioTrackSwitched",AUDIO_TRACK_LOADING:"hlsAudioTrackLoading",AUDIO_TRACK_LOADED:"hlsAudioTrackLoaded",SUBTITLE_TRACKS_UPDATED:"hlsSubtitleTracksUpdated",SUBTITLE_TRACK_SWITCH:"hlsSubtitleTrackSwitch",SUBTITLE_TRACK_LOADING:"hlsSubtitleTrackLoading",SUBTITLE_TRACK_LOADED:"hlsSubtitleTrackLoaded",SUBTITLE_FRAG_PROCESSED:"hlsSubtitleFragProcessed",INIT_PTS_FOUND:"hlsInitPtsFound",FRAG_LOADING:"hlsFragLoading",FRAG_LOAD_PROGRESS:"hlsFragLoadProgress",FRAG_LOAD_EMERGENCY_ABORTED:"hlsFragLoadEmergencyAborted",FRAG_LOADED:"hlsFragLoaded",FRAG_DECRYPTED:"hlsFragDecrypted",FRAG_PARSING_INIT_SEGMENT:"hlsFragParsingInitSegment",FRAG_PARSING_USERDATA:"hlsFragParsingUserdata",FRAG_PARSING_METADATA:"hlsFragParsingMetadata",FRAG_PARSING_DATA:"hlsFragParsingData",FRAG_PARSED:"hlsFragParsed",FRAG_BUFFERED:"hlsFragBuffered",FRAG_CHANGED:"hlsFragChanged",FPS_DROP:"hlsFpsDrop",FPS_DROP_LEVEL_CAPPING:"hlsFpsDropLevelCapping",ERROR:"hlsError",DESTROYING:"hlsDestroying",KEY_LOADING:"hlsKeyLoading",KEY_LOADED:"hlsKeyLoaded",STREAM_STATE_TRANSITION:"hlsStreamStateTransition"}).LIVE_BACK_BUFFER_REACHED="hlsLiveBackBufferReached",a.CAN_PLAY_AFTER_SEEK="hlsCanPlayAfterSeek",a);t.a=i},function(e,t,r){"use strict";var a,i;r.d(t,"b",(function(){return a})),r.d(t,"a",(function(){return i})),function(e){e.NETWORK_ERROR="networkError",e.MEDIA_ERROR="mediaError",e.KEY_SYSTEM_ERROR="keySystemError",e.MUX_ERROR="muxError",e.OTHER_ERROR="otherError"}(a||(a={})),function(e){e.KEY_SYSTEM_NO_KEYS="keySystemNoKeys",e.KEY_SYSTEM_NO_ACCESS="keySystemNoAccess",e.KEY_SYSTEM_NO_SESSION="keySystemNoSession",e.KEY_SYSTEM_LICENSE_REQUEST_FAILED="keySystemLicenseRequestFailed",e.KEY_SYSTEM_NO_INIT_DATA="keySystemNoInitData",e.MANIFEST_LOAD_ERROR="manifestLoadError",e.MANIFEST_LOAD_TIMEOUT="manifestLoadTimeOut",e.MANIFEST_PARSING_ERROR="manifestParsingError",e.MANIFEST_INCOMPATIBLE_CODECS_ERROR="manifestIncompatibleCodecsError",e.LEVEL_LOAD_ERROR="levelLoadError",e.LEVEL_LOAD_TIMEOUT="levelLoadTimeOut",e.LEVEL_SWITCH_ERROR="levelSwitchError",e.AUDIO_TRACK_LOAD_ERROR="audioTrackLoadError",e.AUDIO_TRACK_LOAD_TIMEOUT="audioTrackLoadTimeOut",e.FRAG_LOAD_ERROR="fragLoadError",e.FRAG_LOAD_TIMEOUT="fragLoadTimeOut",e.FRAG_DECRYPT_ERROR="fragDecryptError",e.FRAG_PARSING_ERROR="fragParsingError",e.REMUX_ALLOC_ERROR="remuxAllocError",e.KEY_LOAD_ERROR="keyLoadError",e.KEY_LOAD_TIMEOUT="keyLoadTimeOut",e.BUFFER_ADD_CODEC_ERROR="bufferAddCodecError",e.BUFFER_APPEND_ERROR="bufferAppendError",e.BUFFER_APPENDING_ERROR="bufferAppendingError",e.BUFFER_STALLED_ERROR="bufferStalledError",e.BUFFER_FULL_ERROR="bufferFullError",e.BUFFER_SEEK_OVER_HOLE="bufferSeekOverHole",e.BUFFER_NUDGE_ON_STALL="bufferNudgeOnStall",e.INTERNAL_EXCEPTION="internalException"}(i||(i={}))},function(e,t,r){"use strict";r.d(t,"a",(function(){return a}));var a=Number.isFinite||function(e){return"number"==typeof e&&isFinite(e)}},function(e,t,r){"use strict";r.d(t,"b",(function(){return o}));var a,i=r(5),n=function(){function e(){}return e.isHeader=function(e,t){return t+10<=e.length&&73===e[t]&&68===e[t+1]&&51===e[t+2]&&e[t+3]<255&&e[t+4]<255&&e[t+6]<128&&e[t+7]<128&&e[t+8]<128&&e[t+9]<128},e.isFooter=function(e,t){return t+10<=e.length&&51===e[t]&&68===e[t+1]&&73===e[t+2]&&e[t+3]<255&&e[t+4]<255&&e[t+6]<128&&e[t+7]<128&&e[t+8]<128&&e[t+9]<128},e.getID3Data=function(t,r){for(var a=r,i=0;e.isHeader(t,r);){i+=10,i+=e._readSize(t,r+6),e.isFooter(t,r+10)&&(i+=10),r+=i}if(i>0)return t.subarray(a,a+i)},e._readSize=function(e,t){var r=0;return r=(127&e[t])<<21,r|=(127&e[t+1])<<14,r|=(127&e[t+2])<<7,r|=127&e[t+3]},e.getTimeStamp=function(t){for(var r=e.getID3Frames(t),a=0;a<r.length;a++){var i=r[a];if(e.isTimeStampFrame(i))return e._readTimeStamp(i)}},e.isTimeStampFrame=function(e){return e&&"PRIV"===e.key&&"com.apple.streaming.transportStreamTimestamp"===e.info},e._getFrameData=function(t){var r=String.fromCharCode(t[0],t[1],t[2],t[3]),a=e._readSize(t,4);return{type:r,size:a,data:t.subarray(10,10+a)}},e.getID3Frames=function(t){for(var r=0,a=[];e.isHeader(t,r);){for(var i=e._readSize(t,r+6),n=(r+=10)+i;r+8<n;){var s=e._getFrameData(t.subarray(r)),o=e._decodeFrame(s);o&&a.push(o),r+=s.size+10}e.isFooter(t,r)&&(r+=10)}return a},e._decodeFrame=function(t){return"PRIV"===t.type?e._decodePrivFrame(t):"T"===t.type[0]?e._decodeTextFrame(t):"W"===t.type[0]?e._decodeURLFrame(t):void 0},e._readTimeStamp=function(e){if(8===e.data.byteLength){var t=new Uint8Array(e.data),r=1&t[3],a=(t[4]<<23)+(t[5]<<15)+(t[6]<<7)+t[7];return a/=45,r&&(a+=47721858.84),Math.round(a)}},e._decodePrivFrame=function(t){if(!(t.size<2)){var r=e._utf8ArrayToStr(t.data,!0),a=new Uint8Array(t.data.subarray(r.length+1));return{key:t.type,info:r,data:a.buffer}}},e._decodeTextFrame=function(t){if(!(t.size<2)){if("TXXX"===t.type){var r=1,a=e._utf8ArrayToStr(t.data.subarray(r),!0);r+=a.length+1;var i=e._utf8ArrayToStr(t.data.subarray(r));return{key:t.type,info:a,data:i}}var n=e._utf8ArrayToStr(t.data.subarray(1));return{key:t.type,data:n}}},e._decodeURLFrame=function(t){if("WXXX"===t.type){if(t.size<2)return;var r=1,a=e._utf8ArrayToStr(t.data.subarray(r));r+=a.length+1;var i=e._utf8ArrayToStr(t.data.subarray(r));return{key:t.type,info:a,data:i}}var n=e._utf8ArrayToStr(t.data);return{key:t.type,data:n}},e._utf8ArrayToStr=function(e,t){void 0===t&&(t=!1);var r=s();if(r){var a=r.decode(e);if(t){var i=a.indexOf("\0");return-1!==i?a.substring(0,i):a}return a.replace(/\0/g,"")}for(var n,o,l,d=e.length,u="",f=0;f<d;){if(0===(n=e[f++])&&t)return u;if(0!==n&&3!==n)switch(n>>4){case 0:case 1:case 2:case 3:case 4:case 5:case 6:case 7:u+=String.fromCharCode(n);break;case 12:case 13:o=e[f++],u+=String.fromCharCode((31&n)<<6|63&o);break;case 14:o=e[f++],l=e[f++],u+=String.fromCharCode((15&n)<<12|(63&o)<<6|(63&l)<<0)}}return u},e}();function s(){var e=Object(i.a)();return a||void 0===e.TextDecoder||(a=new e.TextDecoder("utf-8")),a}var o=n._utf8ArrayToStr;t.a=n},function(e,t,r){"use strict";function a(){return"undefined"==typeof window?self:window}r.d(t,"a",(function(){return a}))},function(e,t){e.exports=void 0},function(e,t,r){var a,i,n,s,o;a=/^((?:[a-zA-Z0-9+\-.]+:)?)(\/\/[^\/?#]*)?((?:[^\/\?#]*\/)*.*?)??(;.*?)?(\?.*?)?(#.*?)?$/,i=/^([^\/?#]*)(.*)$/,n=/(?:\/|^)\.(?=\/)/g,s=/(?:\/|^)\.\.\/(?!\.\.\/).*?(?=\/)/g,o={buildAbsoluteURL:function(e,t,r){if(r=r||{},e=e.trim(),!(t=t.trim())){if(!r.alwaysNormalize)return e;var a=o.parseURL(e);if(!a)throw new Error("Error trying to parse base URL.");return a.path=o.normalizePath(a.path),o.buildURLFromParts(a)}var n=o.parseURL(t);if(!n)throw new Error("Error trying to parse relative URL.");if(n.scheme)return r.alwaysNormalize?(n.path=o.normalizePath(n.path),o.buildURLFromParts(n)):t;var s=o.parseURL(e);if(!s)throw new Error("Error trying to parse base URL.");if(!s.netLoc&&s.path&&"/"!==s.path[0]){var l=i.exec(s.path);s.netLoc=l[1],s.path=l[2]}s.netLoc&&!s.path&&(s.path="/");var d={scheme:s.scheme,netLoc:n.netLoc,path:null,params:n.params,query:n.query,fragment:n.fragment};if(!n.netLoc&&(d.netLoc=s.netLoc,"/"!==n.path[0]))if(n.path){var u=s.path,f=u.substring(0,u.lastIndexOf("/")+1)+n.path;d.path=o.normalizePath(f)}else d.path=s.path,n.params||(d.params=s.params,n.query||(d.query=s.query));return null===d.path&&(d.path=r.alwaysNormalize?o.normalizePath(n.path):n.path),o.buildURLFromParts(d)},parseURL:function(e){var t=a.exec(e);return t?{scheme:t[1]||"",netLoc:t[2]||"",path:t[3]||"",params:t[4]||"",query:t[5]||"",fragment:t[6]||""}:null},normalizePath:function(e){for(e=e.split("").reverse().join("").replace(n,"");e.length!==(e=e.replace(s,"")).length;);return e.split("").reverse().join("")},buildURLFromParts:function(e){return e.scheme+e.netLoc+e.path+e.params+e.query+e.fragment}},e.exports=o},function(e,t,r){"use strict";var a=Object.prototype.hasOwnProperty,i="~";function n(){}function s(e,t,r){this.fn=e,this.context=t,this.once=r||!1}function o(e,t,r,a,n){if("function"!=typeof r)throw new TypeError("The listener must be a function");var o=new s(r,a||e,n),l=i?i+t:t;return e._events[l]?e._events[l].fn?e._events[l]=[e._events[l],o]:e._events[l].push(o):(e._events[l]=o,e._eventsCount++),e}function l(e,t){0==--e._eventsCount?e._events=new n:delete e._events[t]}function d(){this._events=new n,this._eventsCount=0}Object.create&&(n.prototype=Object.create(null),(new n).__proto__||(i=!1)),d.prototype.eventNames=function(){var e,t,r=[];if(0===this._eventsCount)return r;for(t in e=this._events)a.call(e,t)&&r.push(i?t.slice(1):t);return Object.getOwnPropertySymbols?r.concat(Object.getOwnPropertySymbols(e)):r},d.prototype.listeners=function(e){var t=i?i+e:e,r=this._events[t];if(!r)return[];if(r.fn)return[r.fn];for(var a=0,n=r.length,s=new Array(n);a<n;a++)s[a]=r[a].fn;return s},d.prototype.listenerCount=function(e){var t=i?i+e:e,r=this._events[t];return r?r.fn?1:r.length:0},d.prototype.emit=function(e,t,r,a,n,s){var o=i?i+e:e;if(!this._events[o])return!1;var l,d,u=this._events[o],f=arguments.length;if(u.fn){switch(u.once&&this.removeListener(e,u.fn,void 0,!0),f){case 1:return u.fn.call(u.context),!0;case 2:return u.fn.call(u.context,t),!0;case 3:return u.fn.call(u.context,t,r),!0;case 4:return u.fn.call(u.context,t,r,a),!0;case 5:return u.fn.call(u.context,t,r,a,n),!0;case 6:return u.fn.call(u.context,t,r,a,n,s),!0}for(d=1,l=new Array(f-1);d<f;d++)l[d-1]=arguments[d];u.fn.apply(u.context,l)}else{var h,c=u.length;for(d=0;d<c;d++)switch(u[d].once&&this.removeListener(e,u[d].fn,void 0,!0),f){case 1:u[d].fn.call(u[d].context);break;case 2:u[d].fn.call(u[d].context,t);break;case 3:u[d].fn.call(u[d].context,t,r);break;case 4:u[d].fn.call(u[d].context,t,r,a);break;default:if(!l)for(h=1,l=new Array(f-1);h<f;h++)l[h-1]=arguments[h];u[d].fn.apply(u[d].context,l)}}return!0},d.prototype.on=function(e,t,r){return o(this,e,t,r,!1)},d.prototype.once=function(e,t,r){return o(this,e,t,r,!0)},d.prototype.removeListener=function(e,t,r,a){var n=i?i+e:e;if(!this._events[n])return this;if(!t)return l(this,n),this;var s=this._events[n];if(s.fn)s.fn!==t||a&&!s.once||r&&s.context!==r||l(this,n);else{for(var o=0,d=[],u=s.length;o<u;o++)(s[o].fn!==t||a&&!s[o].once||r&&s[o].context!==r)&&d.push(s[o]);d.length?this._events[n]=1===d.length?d[0]:d:l(this,n)}return this},d.prototype.removeAllListeners=function(e){var t;return e?(t=i?i+e:e,this._events[t]&&l(this,t)):(this._events=new n,this._eventsCount=0),this},d.prototype.off=d.prototype.removeListener,d.prototype.addListener=d.prototype.on,d.prefixed=i,d.EventEmitter=d,e.exports=d},function(e,t,r){"use strict";var a=r(1),i=r(2),n=function(){function e(e,t){this.subtle=e,this.aesIV=t}return e.prototype.decrypt=function(e,t){return this.subtle.decrypt({name:"AES-CBC",iv:this.aesIV},t,e)},e}(),s=function(){function e(e,t){this.subtle=e,this.key=t}return e.prototype.expandKey=function(){return this.subtle.importKey("raw",this.key,{name:"AES-CBC"},!1,["encrypt","decrypt"])},e}();var o=function(){function e(){this.rcon=[0,1,2,4,8,16,32,64,128,27,54],this.subMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.invSubMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.sBox=new Uint32Array(256),this.invSBox=new Uint32Array(256),this.key=new Uint32Array(0),this.initTable()}var t=e.prototype;return t.uint8ArrayToUint32Array_=function(e){for(var t=new DataView(e),r=new Uint32Array(4),a=0;a<4;a++)r[a]=t.getUint32(4*a);return r},t.initTable=function(){var e=this.sBox,t=this.invSBox,r=this.subMix,a=r[0],i=r[1],n=r[2],s=r[3],o=this.invSubMix,l=o[0],d=o[1],u=o[2],f=o[3],h=new Uint32Array(256),c=0,v=0,p=0;for(p=0;p<256;p++)h[p]=p<128?p<<1:p<<1^283;for(p=0;p<256;p++){var g=v^v<<1^v<<2^v<<3^v<<4;g=g>>>8^255&g^99,e[c]=g,t[g]=c;var m=h[c],y=h[m],b=h[y],E=257*h[g]^16843008*g;a[c]=E<<24|E>>>8,i[c]=E<<16|E>>>16,n[c]=E<<8|E>>>24,s[c]=E,E=16843009*b^65537*y^257*m^16843008*c,l[g]=E<<24|E>>>8,d[g]=E<<16|E>>>16,u[g]=E<<8|E>>>24,f[g]=E,c?(c=m^h[h[h[b^m]]],v^=h[h[v]]):c=v=1}},t.expandKey=function(e){for(var t=this.uint8ArrayToUint32Array_(e),r=!0,a=0;a<t.length&&r;)r=t[a]===this.key[a],a++;if(!r){this.key=t;var i=this.keySize=t.length;if(4!==i&&6!==i&&8!==i)throw new Error("Invalid aes key size="+i);var n,s,o,l,d=this.ksRows=4*(i+6+1),u=this.keySchedule=new Uint32Array(d),f=this.invKeySchedule=new Uint32Array(d),h=this.sBox,c=this.rcon,v=this.invSubMix,p=v[0],g=v[1],m=v[2],y=v[3];for(n=0;n<d;n++)n<i?o=u[n]=t[n]:(l=o,n%i==0?(l=h[(l=l<<8|l>>>24)>>>24]<<24|h[l>>>16&255]<<16|h[l>>>8&255]<<8|h[255&l],l^=c[n/i|0]<<24):i>6&&n%i==4&&(l=h[l>>>24]<<24|h[l>>>16&255]<<16|h[l>>>8&255]<<8|h[255&l]),u[n]=o=(u[n-i]^l)>>>0);for(s=0;s<d;s++)n=d-s,l=3&s?u[n]:u[n-4],f[s]=s<4||n<=4?l:p[h[l>>>24]]^g[h[l>>>16&255]]^m[h[l>>>8&255]]^y[h[255&l]],f[s]=f[s]>>>0}},t.networkToHostOrderSwap=function(e){return e<<24|(65280&e)<<8|(16711680&e)>>8|e>>>24},t.decrypt=function(e,t,r,a){for(var i,n,s,o,l,d,u,f,h,c,v,p,g,m,y,b,E,T=this.keySize+6,S=this.invKeySchedule,_=this.invSBox,A=this.invSubMix,R=A[0],L=A[1],w=A[2],D=A[3],k=this.uint8ArrayToUint32Array_(r),O=k[0],x=k[1],I=k[2],C=k[3],P=new Int32Array(e),F=new Int32Array(P.length),M=this.networkToHostOrderSwap;t<P.length;){for(h=M(P[t]),c=M(P[t+1]),v=M(P[t+2]),p=M(P[t+3]),l=h^S[0],d=p^S[1],u=v^S[2],f=c^S[3],g=4,m=1;m<T;m++)i=R[l>>>24]^L[d>>16&255]^w[u>>8&255]^D[255&f]^S[g],n=R[d>>>24]^L[u>>16&255]^w[f>>8&255]^D[255&l]^S[g+1],s=R[u>>>24]^L[f>>16&255]^w[l>>8&255]^D[255&d]^S[g+2],o=R[f>>>24]^L[l>>16&255]^w[d>>8&255]^D[255&u]^S[g+3],l=i,d=n,u=s,f=o,g+=4;i=_[l>>>24]<<24^_[d>>16&255]<<16^_[u>>8&255]<<8^_[255&f]^S[g],n=_[d>>>24]<<24^_[u>>16&255]<<16^_[f>>8&255]<<8^_[255&l]^S[g+1],s=_[u>>>24]<<24^_[f>>16&255]<<16^_[l>>8&255]<<8^_[255&d]^S[g+2],o=_[f>>>24]<<24^_[l>>16&255]<<16^_[d>>8&255]<<8^_[255&u]^S[g+3],g+=3,F[t]=M(i^O),F[t+1]=M(o^x),F[t+2]=M(s^I),F[t+3]=M(n^C),O=h,x=c,I=v,C=p,t+=4}return a?(y=F.buffer,b=y.byteLength,(E=b&&new DataView(y).getUint8(b-1))?y.slice(0,b-E):y):F.buffer},t.destroy=function(){this.key=void 0,this.keySize=void 0,this.ksRows=void 0,this.sBox=void 0,this.invSBox=void 0,this.subMix=void 0,this.invSubMix=void 0,this.keySchedule=void 0,this.invKeySchedule=void 0,this.rcon=void 0},e}(),l=r(0),d=r(5),u=Object(d.a)(),f=function(){function e(e,t,r){var a=(void 0===r?{}:r).removePKCS7Padding,i=void 0===a||a;if(this.logEnabled=!0,this.observer=e,this.config=t,this.removePKCS7Padding=i,i)try{var n=u.crypto;n&&(this.subtle=n.subtle||n.webkitSubtle)}catch(e){}this.disableWebCrypto=!this.subtle}var t=e.prototype;return t.isSync=function(){return this.disableWebCrypto&&this.config.enableSoftwareAES},t.decrypt=function(e,t,r,a){var i=this;if(this.disableWebCrypto&&this.config.enableSoftwareAES){this.logEnabled&&(l.b.log("JS AES decrypt"),this.logEnabled=!1);var d=this.decryptor;d||(this.decryptor=d=new o),d.expandKey(t),a(d.decrypt(e,0,r,this.removePKCS7Padding))}else{this.logEnabled&&(l.b.log("WebCrypto AES decrypt"),this.logEnabled=!1);var u=this.subtle;this.key!==t&&(this.key=t,this.fastAesKey=new s(u,t)),this.fastAesKey.expandKey().then((function(s){new n(u,r).decrypt(e,s).catch((function(n){i.onWebCryptoError(n,e,t,r,a)})).then((function(e){a(e)}))})).catch((function(n){i.onWebCryptoError(n,e,t,r,a)}))}},t.onWebCryptoError=function(e,t,r,n,s){this.config.enableSoftwareAES?(l.b.log("WebCrypto Error, disable WebCrypto API"),this.disableWebCrypto=!0,this.logEnabled=!0,this.decrypt(t,r,n,s)):(l.b.error("decrypting error : "+e.message),this.observer.trigger(a.a.ERROR,{type:i.b.MEDIA_ERROR,details:i.a.FRAG_DECRYPT_ERROR,fatal:!0,reason:e.message}))},t.destroy=function(){var e=this.decryptor;e&&(e.destroy(),this.decryptor=void 0)},e}(),h=r(3);function c(e,t){return 255===e[t]&&240==(246&e[t+1])}function v(e,t){return 1&e[t+1]?7:9}function p(e,t){return(3&e[t+3])<<11|e[t+4]<<3|(224&e[t+5])>>>5}function g(e,t){return!!(t+1<e.length&&c(e,t))}function m(e,t){if(g(e,t)){var r=v(e,t);t+5<e.length&&(r=p(e,t));var a=t+r;if(a===e.length||a+1<e.length&&c(e,a))return!0}return!1}function y(e,t,r,n,s){if(!e.samplerate){var o=function(e,t,r,n){var s,o,d,u,f,h=navigator.userAgent.toLowerCase(),c=n,v=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350];if(s=1+((192&t[r+2])>>>6),!((o=(60&t[r+2])>>>2)>v.length-1))return u=(1&t[r+2])<<2,u|=(192&t[r+3])>>>6,l.b.log("manifest codec:"+n+",ADTS data:type:"+s+",sampleingIndex:"+o+"["+v[o]+"Hz],channelConfig:"+u),/firefox/i.test(h)?o>=6?(s=5,f=new Array(4),d=o-3):(s=2,f=new Array(2),d=o):-1!==h.indexOf("android")?(s=2,f=new Array(2),d=o):(s=5,f=new Array(4),n&&(-1!==n.indexOf("mp4a.40.29")||-1!==n.indexOf("mp4a.40.5"))||!n&&o>=6?d=o-3:((n&&-1!==n.indexOf("mp4a.40.2")&&(o>=6&&1===u||/vivaldi/i.test(h))||!n&&1===u)&&(s=2,f=new Array(2)),d=o)),f[0]=s<<3,f[0]|=(14&o)>>1,f[1]|=(1&o)<<7,f[1]|=u<<3,5===s&&(f[1]|=(14&d)>>1,f[2]=(1&d)<<7,f[2]|=8,f[3]=0),{config:f,samplerate:v[o],channelCount:u,codec:"mp4a.40."+s,manifestCodec:c};e.trigger(a.a.ERROR,{type:i.b.MEDIA_ERROR,details:i.a.FRAG_PARSING_ERROR,fatal:!0,reason:"invalid ADTS sampling index:"+o})}(t,r,n,s);e.config=o.config,e.samplerate=o.samplerate,e.channelCount=o.channelCount,e.codec=o.codec,e.manifestCodec=o.manifestCodec,l.b.log("parsed codec:"+e.codec+",rate:"+o.samplerate+",nb channel:"+o.channelCount)}}function b(e){return 9216e4/e}function E(e,t,r,a,i){var n=function(e,t,r,a,i){var n,s,o=e.length;if(n=v(e,t),s=p(e,t),(s-=n)>0&&t+n+s<=o)return{headerLength:n,frameLength:s,stamp:r+a*i}}(t,r,a,i,b(e.samplerate));if(n){var s=n.stamp,o=n.headerLength,l=n.frameLength,d={unit:t.subarray(r+o,r+o+l),pts:s,dts:s};return e.samples.push(d),{sample:d,length:l+o}}}var T=r(4),S=function(){function e(e,t,r){this.observer=e,this.config=r,this.remuxer=t}var t=e.prototype;return t.resetInitSegment=function(e,t,r,a){this._audioTrack={container:"audio/adts",type:"audio",id:0,sequenceNumber:0,isAAC:!0,samples:[],len:0,manifestCodec:t,duration:a,inputTimeScale:9e4}},t.resetTimeStamp=function(){},e.probe=function(e){if(!e)return!1;for(var t=(T.a.getID3Data(e,0)||[]).length,r=e.length;t<r;t++)if(m(e,t))return l.b.log("ADTS sync word found !"),!0;return!1},t.append=function(e,t,r,a){for(var i=this._audioTrack,n=T.a.getID3Data(e,0)||[],s=T.a.getTimeStamp(n),o=Object(h.a)(s)?90*s:9e4*t,d=0,u=o,f=e.length,c=n.length,v=[{pts:u,dts:u,data:n}];c<f-1;)if(g(e,c)&&c+5<f){y(i,this.observer,e,c,i.manifestCodec);var p=E(i,e,c,o,d);if(!p){l.b.log("Unable to parse AAC frame");break}c+=p.length,u=p.sample.pts,d++}else T.a.isHeader(e,c)?(n=T.a.getID3Data(e,c),v.push({pts:u,dts:u,data:n}),c+=n.length):c++;this.remuxer.remux(i,{samples:[]},{samples:v,inputTimeScale:9e4},{samples:[]},t,r,a)},t.destroy=function(){},e}(),_=r(10),A={BitratesMap:[32,64,96,128,160,192,224,256,288,320,352,384,416,448,32,48,56,64,80,96,112,128,160,192,224,256,320,384,32,40,48,56,64,80,96,112,128,160,192,224,256,320,32,48,56,64,80,96,112,128,144,160,176,192,224,256,8,16,24,32,40,48,56,64,80,96,112,128,144,160],SamplingRateMap:[44100,48e3,32e3,22050,24e3,16e3,11025,12e3,8e3],SamplesCoefficients:[[0,72,144,12],[0,0,0,0],[0,72,144,12],[0,144,144,12]],BytesInSlot:[0,1,1,4],appendFrame:function(e,t,r,a,i){if(!(r+24>t.length)){var n=this.parseHeader(t,r);if(n&&r+n.frameLength<=t.length){var s=a+i*(9e4*n.samplesPerFrame/n.sampleRate),o={unit:t.subarray(r,r+n.frameLength),pts:s,dts:s};return e.config=[],e.channelCount=n.channelCount,e.samplerate=n.sampleRate,e.samples.push(o),{sample:o,length:n.frameLength}}}},parseHeader:function(e,t){var r=e[t+1]>>3&3,a=e[t+1]>>1&3,i=e[t+2]>>4&15,n=e[t+2]>>2&3,s=e[t+2]>>1&1;if(1!==r&&0!==i&&15!==i&&3!==n){var o=3===r?3-a:3===a?3:4,l=1e3*A.BitratesMap[14*o+i-1],d=3===r?0:2===r?1:2,u=A.SamplingRateMap[3*d+n],f=e[t+3]>>6==3?1:2,h=A.SamplesCoefficients[r][a],c=A.BytesInSlot[a],v=8*h*c;return{sampleRate:u,channelCount:f,frameLength:parseInt(h*l/u+s,10)*c,samplesPerFrame:v}}},isHeaderPattern:function(e,t){return 255===e[t]&&224==(224&e[t+1])&&0!=(6&e[t+1])},isHeader:function(e,t){return!!(t+1<e.length&&this.isHeaderPattern(e,t))},probe:function(e,t){if(t+1<e.length&&this.isHeaderPattern(e,t)){var r=this.parseHeader(e,t),a=4;r&&r.frameLength&&(a=r.frameLength);var i=t+a;if(i===e.length||i+1<e.length&&this.isHeaderPattern(e,i))return!0}return!1}},R=A,L=function(){function e(e){this.data=e,this.bytesAvailable=e.byteLength,this.word=0,this.bitsAvailable=0}var t=e.prototype;return t.loadWord=function(){var e=this.data,t=this.bytesAvailable,r=e.byteLength-t,a=new Uint8Array(4),i=Math.min(4,t);if(0===i)throw new Error("no bytes available");a.set(e.subarray(r,r+i)),this.word=new DataView(a.buffer).getUint32(0),this.bitsAvailable=8*i,this.bytesAvailable-=i},t.skipBits=function(e){var t;this.bitsAvailable>e?(this.word<<=e,this.bitsAvailable-=e):(e-=this.bitsAvailable,e-=(t=e>>3)>>3,this.bytesAvailable-=t,this.loadWord(),this.word<<=e,this.bitsAvailable-=e)},t.readBits=function(e){var t=Math.min(this.bitsAvailable,e),r=this.word>>>32-t;return e>32&&l.b.error("Cannot read more than 32 bits at a time"),this.bitsAvailable-=t,this.bitsAvailable>0?this.word<<=t:this.bytesAvailable>0&&this.loadWord(),(t=e-t)>0&&this.bitsAvailable?r<<t|this.readBits(t):r},t.skipLZ=function(){var e;for(e=0;e<this.bitsAvailable;++e)if(0!=(this.word&2147483648>>>e))return this.word<<=e,this.bitsAvailable-=e,e;return this.loadWord(),e+this.skipLZ()},t.skipUEG=function(){this.skipBits(1+this.skipLZ())},t.skipEG=function(){this.skipBits(1+this.skipLZ())},t.readUEG=function(){var e=this.skipLZ();return this.readBits(e+1)-1},t.readEG=function(){var e=this.readUEG();return 1&e?1+e>>>1:-1*(e>>>1)},t.readBoolean=function(){return 1===this.readBits(1)},t.readUByte=function(){return this.readBits(8)},t.readUShort=function(){return this.readBits(16)},t.readUInt=function(){return this.readBits(32)},t.skipScalingList=function(e){var t,r=8,a=8;for(t=0;t<e;t++)0!==a&&(a=(r+this.readEG()+256)%256),r=0===a?r:a},t.readSPS=function(){var e,t,r,a,i,n,s,o=0,l=0,d=0,u=0,f=this.readUByte.bind(this),h=this.readBits.bind(this),c=this.readUEG.bind(this),v=this.readBoolean.bind(this),p=this.skipBits.bind(this),g=this.skipEG.bind(this),m=this.skipUEG.bind(this),y=this.skipScalingList.bind(this);if(f(),e=f(),h(5),p(3),f(),m(),100===e||110===e||122===e||244===e||44===e||83===e||86===e||118===e||128===e){var b=c();if(3===b&&p(1),m(),m(),p(1),v())for(n=3!==b?8:12,s=0;s<n;s++)v()&&y(s<6?16:64)}m();var E=c();if(0===E)c();else if(1===E)for(p(1),g(),g(),t=c(),s=0;s<t;s++)g();m(),p(1),r=c(),a=c(),0===(i=h(1))&&p(1),p(1),v()&&(o=c(),l=c(),d=c(),u=c());var T=[1,1];if(v()&&v())switch(f()){case 1:T=[1,1];break;case 2:T=[12,11];break;case 3:T=[10,11];break;case 4:T=[16,11];break;case 5:T=[40,33];break;case 6:T=[24,11];break;case 7:T=[20,11];break;case 8:T=[32,11];break;case 9:T=[80,33];break;case 10:T=[18,11];break;case 11:T=[15,11];break;case 12:T=[64,33];break;case 13:T=[160,99];break;case 14:T=[4,3];break;case 15:T=[3,2];break;case 16:T=[2,1];break;case 255:T=[f()<<8|f(),f()<<8|f()]}return{width:Math.ceil(16*(r+1)-2*o-2*l),height:(2-i)*(a+1)*16-(i?2:4)*(d+u),pixelRatio:T}},t.readSliceType=function(){return this.readUByte(),this.readUEG(),this.readUEG()},e}(),w=function(){function e(e,t,r,a){this.decryptdata=r,this.discardEPB=a,this.decrypter=new f(e,t,{removePKCS7Padding:!1})}var t=e.prototype;return t.decryptBuffer=function(e,t){this.decrypter.decrypt(e,this.decryptdata.key.buffer,this.decryptdata.iv.buffer,t)},t.decryptAacSample=function(e,t,r,a){var i=e[t].unit,n=i.subarray(16,i.length-i.length%16),s=n.buffer.slice(n.byteOffset,n.byteOffset+n.length),o=this;this.decryptBuffer(s,(function(n){n=new Uint8Array(n),i.set(n,16),a||o.decryptAacSamples(e,t+1,r)}))},t.decryptAacSamples=function(e,t,r){for(;;t++){if(t>=e.length)return void r();if(!(e[t].unit.length<32)){var a=this.decrypter.isSync();if(this.decryptAacSample(e,t,r,a),!a)return}}},t.getAvcEncryptedData=function(e){for(var t=16*Math.floor((e.length-48)/160)+16,r=new Int8Array(t),a=0,i=32;i<=e.length-16;i+=160,a+=16)r.set(e.subarray(i,i+16),a);return r},t.getAvcDecryptedUnit=function(e,t){t=new Uint8Array(t);for(var r=0,a=32;a<=e.length-16;a+=160,r+=16)e.set(t.subarray(r,r+16),a);return e},t.decryptAvcSample=function(e,t,r,a,i,n){var s=this.discardEPB(i.data),o=this.getAvcEncryptedData(s),l=this;this.decryptBuffer(o.buffer,(function(o){i.data=l.getAvcDecryptedUnit(s,o),n||l.decryptAvcSamples(e,t,r+1,a)}))},t.decryptAvcSamples=function(e,t,r,a){for(;;t++,r=0){if(t>=e.length)return void a();for(var i=e[t].units;!(r>=i.length);r++){var n=i[r];if(!(n.length<=48||1!==n.type&&5!==n.type)){var s=this.decrypter.isSync();if(this.decryptAvcSample(e,t,r,a,n,s),!s)return}}}},e}(),D={video:1,audio:2,id3:3,text:4},k=function(){function e(e,t,r,a){this.observer=e,this.config=r,this.typeSupported=a,this.remuxer=t,this.sampleAes=null}var t=e.prototype;return t.setDecryptData=function(e){null!=e&&null!=e.key&&"SAMPLE-AES"===e.method?this.sampleAes=new w(this.observer,this.config,e,this.discardEPB):this.sampleAes=null},e.probe=function(t){var r=e._syncOffset(t);return!(r<0)&&(r&&l.b.warn("MPEG2-TS detected but first sync word found @ offset "+r+", junk ahead ?"),!0)},e._syncOffset=function(e){for(var t=Math.min(1e3,e.length-564),r=0;r<t;){if(71===e[r]&&71===e[r+188]&&71===e[r+376])return r;r++}return-1},e.createTrack=function(e,t){return{container:"video"===e||"audio"===e?"video/mp2t":void 0,type:e,id:D[e],pid:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],dropped:"video"===e?0:void 0,isAAC:"audio"===e||void 0,duration:"audio"===e?t:void 0}},t.resetInitSegment=function(t,r,a,i){this.pmtParsed=!1,this._pmtId=-1,this._avcTrack=e.createTrack("video",i),this._audioTrack=e.createTrack("audio",i),this._id3Track=e.createTrack("id3",i),this._txtTrack=e.createTrack("text",i),this.aacOverFlow=null,this.aacLastPTS=null,this.avcSample=null,this.audioCodec=r,this.videoCodec=a,this._duration=i},t.resetTimeStamp=function(){},t.append=function(t,r,n,s){var o,d,u,f,h,c=t.length,v=!1;this.contiguous=n;var p=this.pmtParsed,g=this._avcTrack,m=this._audioTrack,y=this._id3Track,b=g.pid,E=m.pid,T=y.pid,S=this._pmtId,_=g.pesData,A=m.pesData,R=y.pesData,L=this._parsePAT,w=this._parsePMT,D=this._parsePES,k=this._parseAVCPES.bind(this),O=this._parseAACPES.bind(this),x=this._parseMPEGPES.bind(this),I=this._parseID3PES.bind(this),C=e._syncOffset(t);for(c-=(c+C)%188,o=C;o<c;o+=188)if(71===t[o]){if(d=!!(64&t[o+1]),u=((31&t[o+1])<<8)+t[o+2],(48&t[o+3])>>4>1){if((f=o+5+t[o+4])===o+188)continue}else f=o+4;switch(u){case b:d&&(_&&(h=D(_))&&k(h,!1),_={data:[],size:0}),_&&(_.data.push(t.subarray(f,o+188)),_.size+=o+188-f);break;case E:d&&(A&&(h=D(A))&&(m.isAAC?O(h):x(h)),A={data:[],size:0}),A&&(A.data.push(t.subarray(f,o+188)),A.size+=o+188-f);break;case T:d&&(R&&(h=D(R))&&I(h),R={data:[],size:0}),R&&(R.data.push(t.subarray(f,o+188)),R.size+=o+188-f);break;case 0:d&&(f+=t[f]+1),S=this._pmtId=L(t,f);break;case S:d&&(f+=t[f]+1);var P=w(t,f,!0===this.typeSupported.mpeg||!0===this.typeSupported.mp3,null!=this.sampleAes);(b=P.avc)>0&&(g.pid=b),(E=P.audio)>0&&(m.pid=E,m.isAAC=P.isAAC),(T=P.id3)>0&&(y.pid=T),v&&!p&&(l.b.log("reparse from beginning"),v=!1,o=C-188),p=this.pmtParsed=!0;break;case 17:case 8191:break;default:v=!0}}else this.observer.trigger(a.a.ERROR,{type:i.b.MEDIA_ERROR,details:i.a.FRAG_PARSING_ERROR,fatal:!1,reason:"TS packet did not start with 0x47"});_&&(h=D(_))?(k(h,!0),g.pesData=null):g.pesData=_,A&&(h=D(A))?(m.isAAC?O(h):x(h),m.pesData=null):(A&&A.size&&l.b.log("last AAC PES packet truncated,might overlap between fragments"),m.pesData=A),R&&(h=D(R))?(I(h),y.pesData=null):y.pesData=R,null==this.sampleAes?this.remuxer.remux(m,g,y,this._txtTrack,r,n,s):this.decryptAndRemux(m,g,y,this._txtTrack,r,n,s)},t.decryptAndRemux=function(e,t,r,a,i,n,s){if(e.samples&&e.isAAC){var o=this;this.sampleAes.decryptAacSamples(e.samples,0,(function(){o.decryptAndRemuxAvc(e,t,r,a,i,n,s)}))}else this.decryptAndRemuxAvc(e,t,r,a,i,n,s)},t.decryptAndRemuxAvc=function(e,t,r,a,i,n,s){if(t.samples){var o=this;this.sampleAes.decryptAvcSamples(t.samples,0,0,(function(){o.remuxer.remux(e,t,r,a,i,n,s)}))}else this.remuxer.remux(e,t,r,a,i,n,s)},t.destroy=function(){this._initPTS=this._initDTS=void 0,this._duration=0},t._parsePAT=function(e,t){return(31&e[t+10])<<8|e[t+11]},t._parsePMT=function(e,t,r,a){var i,n,s={audio:-1,avc:-1,id3:-1,isAAC:!0};for(i=t+3+((15&e[t+1])<<8|e[t+2])-4,t+=12+((15&e[t+10])<<8|e[t+11]);t<i;){switch(n=(31&e[t+1])<<8|e[t+2],e[t]){case 207:if(!a){l.b.log("unknown stream type:"+e[t]);break}case 15:-1===s.audio&&(s.audio=n);break;case 21:-1===s.id3&&(s.id3=n);break;case 219:if(!a){l.b.log("unknown stream type:"+e[t]);break}case 27:-1===s.avc&&(s.avc=n);break;case 3:case 4:r?-1===s.audio&&(s.audio=n,s.isAAC=!1):l.b.log("MPEG audio found, not supported in this browser for now");break;case 36:l.b.warn("HEVC stream type found, not supported for now");break;default:l.b.log("unknown stream type:"+e[t])}t+=5+((15&e[t+3])<<8|e[t+4])}return s},t._parsePES=function(e){var t,r,a,i,n,s,o,d,u=0,f=e.data;if(!e||0===e.size)return null;for(;f[0].length<19&&f.length>1;){var h=new Uint8Array(f[0].length+f[1].length);h.set(f[0]),h.set(f[1],f[0].length),f[0]=h,f.splice(1,1)}if(1===((t=f[0])[0]<<16)+(t[1]<<8)+t[2]){if((a=(t[4]<<8)+t[5])&&a>e.size-6)return null;if(192&(r=t[7])&&((s=536870912*(14&t[9])+4194304*(255&t[10])+16384*(254&t[11])+128*(255&t[12])+(254&t[13])/2)>4294967295&&(s-=8589934592),64&r?((o=536870912*(14&t[14])+4194304*(255&t[15])+16384*(254&t[16])+128*(255&t[17])+(254&t[18])/2)>4294967295&&(o-=8589934592),s-o>54e5&&(l.b.warn(Math.round((s-o)/9e4)+"s delta between PTS and DTS, align them"),s=o)):o=s),d=(i=t[8])+9,e.size<=d)return null;e.size-=d,n=new Uint8Array(e.size);for(var c=0,v=f.length;c<v;c++){var p=(t=f[c]).byteLength;if(d){if(d>p){d-=p;continue}t=t.subarray(d),p-=d,d=0}n.set(t,u),u+=p}return a&&(a-=i+3),{data:n,pts:s,dts:o,len:a}}return null},t.pushAccesUnit=function(e,t){if(e.units.length&&e.frame){var r=t.samples,a=r.length;if(isNaN(e.pts)){if(!a)return void t.dropped++;var i=r[a-1];e.pts=i.pts,e.dts=i.dts}!this.config.forceKeyFrameOnDiscontinuity||!0===e.key||t.sps&&(a||this.contiguous)?(e.id=a,r.push(e)):t.dropped++}e.debug.length&&l.b.log(e.pts+"/"+e.dts+":"+e.debug)},t._parseAVCPES=function(e,t){var r,a,i,n=this,s=this._avcTrack,o=this._parseAVCNALu(e.data),l=this.avcSample,d=!1,u=this.pushAccesUnit.bind(this),f=function(e,t,r,a){return{key:e,pts:t,dts:r,units:[],debug:a}};e.data=null,l&&o.length&&!s.audFound&&(u(l,s),l=this.avcSample=f(!1,e.pts,e.dts,"")),o.forEach((function(t){switch(t.type){case 1:a=!0,l||(l=n.avcSample=f(!0,e.pts,e.dts,"")),l.frame=!0;var o=t.data;if(d&&o.length>4){var h=new L(o).readSliceType();2!==h&&4!==h&&7!==h&&9!==h||(l.key=!0)}break;case 5:a=!0,l||(l=n.avcSample=f(!0,e.pts,e.dts,"")),l.key=!0,l.frame=!0;break;case 6:a=!0,(r=new L(n.discardEPB(t.data))).readUByte();for(var c=0,v=0,p=!1,g=0;!p&&r.bytesAvailable>1;){c=0;do{c+=g=r.readUByte()}while(255===g);v=0;do{v+=g=r.readUByte()}while(255===g);if(4===c&&0!==r.bytesAvailable){if(p=!0,181===r.readUByte())if(49===r.readUShort())if(1195456820===r.readUInt())if(3===r.readUByte()){var m=r.readUByte(),y=31&m,b=[m,r.readUByte()];for(i=0;i<y;i++)b.push(r.readUByte()),b.push(r.readUByte()),b.push(r.readUByte());n._insertSampleInOrder(n._txtTrack.samples,{type:3,pts:e.pts,bytes:b})}}else if(5===c&&0!==r.bytesAvailable){if(p=!0,v>16){var E=[];for(i=0;i<16;i++)E.push(r.readUByte().toString(16)),3!==i&&5!==i&&7!==i&&9!==i||E.push("-");var S=v-16,_=new Uint8Array(S);for(i=0;i<S;i++)_[i]=r.readUByte();n._insertSampleInOrder(n._txtTrack.samples,{pts:e.pts,payloadType:c,uuid:E.join(""),userDataBytes:_,userData:Object(T.b)(_.buffer)})}}else if(v<r.bytesAvailable)for(i=0;i<v;i++)r.readUByte()}break;case 7:if(a=!0,d=!0,!s.sps){var A=(r=new L(t.data)).readSPS();s.width=A.width,s.height=A.height,s.pixelRatio=A.pixelRatio,s.sps=[t.data],s.duration=n._duration;var R=t.data.subarray(1,4),w="avc1.";for(i=0;i<3;i++){var D=R[i].toString(16);D.length<2&&(D="0"+D),w+=D}s.codec=w}break;case 8:a=!0,s.pps||(s.pps=[t.data]);break;case 9:a=!1,s.audFound=!0,l&&u(l,s),l=n.avcSample=f(!1,e.pts,e.dts,"");break;case 12:a=!1;break;default:a=!1,l&&(l.debug+="unknown NAL "+t.type+" ")}l&&a&&l.units.push(t)})),t&&l&&(u(l,s),this.avcSample=null)},t._insertSampleInOrder=function(e,t){var r=e.length;if(r>0){if(t.pts>=e[r-1].pts)e.push(t);else for(var a=r-1;a>=0;a--)if(t.pts<e[a].pts){e.splice(a,0,t);break}}else e.push(t)},t._getLastNalUnit=function(){var e,t=this.avcSample;if(!t||0===t.units.length){var r=this._avcTrack.samples;t=r[r.length-1]}if(t){var a=t.units;e=a[a.length-1]}return e},t._parseAVCNALu=function(e){var t,r,a,i,n=0,s=e.byteLength,o=this._avcTrack,l=o.naluState||0,d=l,u=[],f=-1;for(-1===l&&(f=0,i=31&e[0],l=0,n=1);n<s;)if(t=e[n++],l)if(1!==l)if(t)if(1===t){if(f>=0)a={data:e.subarray(f,n-l-1),type:i},u.push(a);else{var h=this._getLastNalUnit();if(h&&(d&&n<=4-d&&h.state&&(h.data=h.data.subarray(0,h.data.byteLength-d)),(r=n-l-1)>0)){var c=new Uint8Array(h.data.byteLength+r);c.set(h.data,0),c.set(e.subarray(0,r),h.data.byteLength),h.data=c}}n<s?(f=n,i=31&e[n],l=0):l=-1}else l=0;else l=3;else l=t?0:2;else l=t?0:1;if(f>=0&&l>=0&&(a={data:e.subarray(f,s),type:i,state:l},u.push(a)),0===u.length){var v=this._getLastNalUnit();if(v){var p=new Uint8Array(v.data.byteLength+e.byteLength);p.set(v.data,0),p.set(e,v.data.byteLength),v.data=p}}return o.naluState=l,u},t.discardEPB=function(e){for(var t,r,a=e.byteLength,i=[],n=1;n<a-2;)0===e[n]&&0===e[n+1]&&3===e[n+2]?(i.push(n+2),n+=2):n++;if(0===i.length)return e;t=a-i.length,r=new Uint8Array(t);var s=0;for(n=0;n<t;s++,n++)s===i[0]&&(s++,i.shift()),r[n]=e[s];return r},t._parseAACPES=function(e){var t,r,n,s,o,d,u,f=this._audioTrack,h=e.data,c=e.pts,v=this.aacOverFlow,p=this.aacLastPTS;if(v){var m=new Uint8Array(v.byteLength+h.byteLength);m.set(v,0),m.set(h,v.byteLength),h=m}for(n=0,o=h.length;n<o-1&&!g(h,n);n++);if(n&&(n<o-1?(d="AAC PES did not start with ADTS header,offset:"+n,u=!1):(d="no ADTS header found in AAC PES",u=!0),l.b.warn("parsing error:"+d),this.observer.trigger(a.a.ERROR,{type:i.b.MEDIA_ERROR,details:i.a.FRAG_PARSING_ERROR,fatal:u,reason:d}),u))return;if(y(f,this.observer,h,n,this.audioCodec),r=0,t=b(f.samplerate),v&&p){var T=p+t;Math.abs(T-c)>1&&(l.b.log("AAC: align PTS for overlapping frames by "+Math.round((T-c)/90)),c=T)}for(;n<o;){if(g(h,n)){if(n+5<o){var S=E(f,h,n,c,r);if(S){n+=S.length,s=S.sample.pts,r++;continue}}break}n++}v=n<o?h.subarray(n,o):null,this.aacOverFlow=v,this.aacLastPTS=s},t._parseMPEGPES=function(e){for(var t=e.data,r=t.length,a=0,i=0,n=e.pts;i<r;)if(R.isHeader(t,i)){var s=R.appendFrame(this._audioTrack,t,i,n,a);if(!s)break;i+=s.length,a++}else i++},t._parseID3PES=function(e){this._id3Track.samples.push(e)},e}(),O=function(){function e(e,t,r){this.observer=e,this.config=r,this.remuxer=t}var t=e.prototype;return t.resetInitSegment=function(e,t,r,a){this._audioTrack={container:"audio/mpeg",type:"audio",id:-1,sequenceNumber:0,isAAC:!1,samples:[],len:0,manifestCodec:t,duration:a,inputTimeScale:9e4}},t.resetTimeStamp=function(){},e.probe=function(e){var t,r,a=T.a.getID3Data(e,0);if(a&&void 0!==T.a.getTimeStamp(a))for(t=a.length,r=Math.min(e.length-1,t+100);t<r;t++)if(R.probe(e,t))return l.b.log("MPEG Audio sync word found !"),!0;return!1},t.append=function(e,t,r,a){for(var i=T.a.getID3Data(e,0),n=T.a.getTimeStamp(i),s=n?90*n:9e4*t,o=i.length,l=e.length,d=0,u=0,f=this._audioTrack,h=[{pts:s,dts:s,data:i}];o<l;)if(R.isHeader(e,o)){var c=R.appendFrame(f,e,o,s,d);if(!c)break;o+=c.length,u=c.sample.pts,d++}else T.a.isHeader(e,o)?(i=T.a.getID3Data(e,o),h.push({pts:u,dts:u,data:i}),o+=i.length):o++;this.remuxer.remux(f,{samples:[]},{samples:h,inputTimeScale:9e4},{samples:[]},t,r,a)},t.destroy=function(){},e}(),x=function(){function e(){}return e.getSilentFrame=function(e,t){switch(e){case"mp4a.40.2":if(1===t)return new Uint8Array([0,200,0,128,35,128]);if(2===t)return new Uint8Array([33,0,73,144,2,25,0,35,128]);if(3===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,142]);if(4===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,128,44,128,8,2,56]);if(5===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,56]);if(6===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,0,178,0,32,8,224]);break;default:if(1===t)return new Uint8Array([1,64,34,128,163,78,230,128,186,8,0,0,0,28,6,241,193,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(2===t)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(3===t)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94])}return null},e}(),I=Math.pow(2,32)-1,C=function(){function e(){}return e.init=function(){var t;for(t in e.types={avc1:[],avcC:[],btrt:[],dinf:[],dref:[],esds:[],ftyp:[],hdlr:[],mdat:[],mdhd:[],mdia:[],mfhd:[],minf:[],moof:[],moov:[],mp4a:[],".mp3":[],mvex:[],mvhd:[],pasp:[],sdtp:[],stbl:[],stco:[],stsc:[],stsd:[],stsz:[],stts:[],tfdt:[],tfhd:[],traf:[],trak:[],trun:[],trex:[],tkhd:[],vmhd:[],smhd:[]},e.types)e.types.hasOwnProperty(t)&&(e.types[t]=[t.charCodeAt(0),t.charCodeAt(1),t.charCodeAt(2),t.charCodeAt(3)]);var r=new Uint8Array([0,0,0,0,0,0,0,0,118,105,100,101,0,0,0,0,0,0,0,0,0,0,0,0,86,105,100,101,111,72,97,110,100,108,101,114,0]),a=new Uint8Array([0,0,0,0,0,0,0,0,115,111,117,110,0,0,0,0,0,0,0,0,0,0,0,0,83,111,117,110,100,72,97,110,100,108,101,114,0]);e.HDLR_TYPES={video:r,audio:a};var i=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),n=new Uint8Array([0,0,0,0,0,0,0,0]);e.STTS=e.STSC=e.STCO=n,e.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),e.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0]),e.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),e.STSD=new Uint8Array([0,0,0,0,0,0,0,1]);var s=new Uint8Array([105,115,111,109]),o=new Uint8Array([97,118,99,49]),l=new Uint8Array([0,0,0,1]);e.FTYP=e.box(e.types.ftyp,s,l,s,o),e.DINF=e.box(e.types.dinf,e.box(e.types.dref,i))},e.box=function(e){for(var t,r=Array.prototype.slice.call(arguments,1),a=8,i=r.length,n=i;i--;)a+=r[i].byteLength;for((t=new Uint8Array(a))[0]=a>>24&255,t[1]=a>>16&255,t[2]=a>>8&255,t[3]=255&a,t.set(e,4),i=0,a=8;i<n;i++)t.set(r[i],a),a+=r[i].byteLength;return t},e.hdlr=function(t){return e.box(e.types.hdlr,e.HDLR_TYPES[t])},e.mdat=function(t){return e.box(e.types.mdat,t)},e.mdhd=function(t,r){r*=t;var a=Math.floor(r/(I+1)),i=Math.floor(r%(I+1));return e.box(e.types.mdhd,new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,t>>24&255,t>>16&255,t>>8&255,255&t,a>>24,a>>16&255,a>>8&255,255&a,i>>24,i>>16&255,i>>8&255,255&i,85,196,0,0]))},e.mdia=function(t){return e.box(e.types.mdia,e.mdhd(t.timescale,t.duration),e.hdlr(t.type),e.minf(t))},e.mfhd=function(t){return e.box(e.types.mfhd,new Uint8Array([0,0,0,0,t>>24,t>>16&255,t>>8&255,255&t]))},e.minf=function(t){return"audio"===t.type?e.box(e.types.minf,e.box(e.types.smhd,e.SMHD),e.DINF,e.stbl(t)):e.box(e.types.minf,e.box(e.types.vmhd,e.VMHD),e.DINF,e.stbl(t))},e.moof=function(t,r,a){return e.box(e.types.moof,e.mfhd(t),e.traf(a,r))},e.moov=function(t){for(var r=t.length,a=[];r--;)a[r]=e.trak(t[r]);return e.box.apply(null,[e.types.moov,e.mvhd(t[0].timescale,t[0].duration)].concat(a).concat(e.mvex(t)))},e.mvex=function(t){for(var r=t.length,a=[];r--;)a[r]=e.trex(t[r]);return e.box.apply(null,[e.types.mvex].concat(a))},e.mvhd=function(t,r){r*=t;var a=Math.floor(r/(I+1)),i=Math.floor(r%(I+1)),n=new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,t>>24&255,t>>16&255,t>>8&255,255&t,a>>24,a>>16&255,a>>8&255,255&a,i>>24,i>>16&255,i>>8&255,255&i,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]);return e.box(e.types.mvhd,n)},e.sdtp=function(t){var r,a,i=t.samples||[],n=new Uint8Array(4+i.length);for(a=0;a<i.length;a++)r=i[a].flags,n[a+4]=r.dependsOn<<4|r.isDependedOn<<2|r.hasRedundancy;return e.box(e.types.sdtp,n)},e.stbl=function(t){return e.box(e.types.stbl,e.stsd(t),e.box(e.types.stts,e.STTS),e.box(e.types.stsc,e.STSC),e.box(e.types.stsz,e.STSZ),e.box(e.types.stco,e.STCO))},e.avc1=function(t){var r,a,i,n=[],s=[];for(r=0;r<t.sps.length;r++)i=(a=t.sps[r]).byteLength,n.push(i>>>8&255),n.push(255&i),n=n.concat(Array.prototype.slice.call(a));for(r=0;r<t.pps.length;r++)i=(a=t.pps[r]).byteLength,s.push(i>>>8&255),s.push(255&i),s=s.concat(Array.prototype.slice.call(a));var o=e.box(e.types.avcC,new Uint8Array([1,n[3],n[4],n[5],255,224|t.sps.length].concat(n).concat([t.pps.length]).concat(s))),l=t.width,d=t.height,u=t.pixelRatio[0],f=t.pixelRatio[1];return e.box(e.types.avc1,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,l>>8&255,255&l,d>>8&255,255&d,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,100,97,105,108,121,109,111,116,105,111,110,47,104,108,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),o,e.box(e.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])),e.box(e.types.pasp,new Uint8Array([u>>24,u>>16&255,u>>8&255,255&u,f>>24,f>>16&255,f>>8&255,255&f])))},e.esds=function(e){var t=e.config.length;return new Uint8Array([0,0,0,0,3,23+t,0,1,0,4,15+t,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([t]).concat(e.config).concat([6,1,2]))},e.mp4a=function(t){var r=t.samplerate;return e.box(e.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]),e.box(e.types.esds,e.esds(t)))},e.mp3=function(t){var r=t.samplerate;return e.box(e.types[".mp3"],new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]))},e.stsd=function(t){return"audio"===t.type?t.isAAC||"mp3"!==t.codec?e.box(e.types.stsd,e.STSD,e.mp4a(t)):e.box(e.types.stsd,e.STSD,e.mp3(t)):e.box(e.types.stsd,e.STSD,e.avc1(t))},e.tkhd=function(t){var r=t.id,a=t.duration*t.timescale,i=t.width,n=t.height,s=Math.floor(a/(I+1)),o=Math.floor(a%(I+1));return e.box(e.types.tkhd,new Uint8Array([1,0,0,7,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,r>>24&255,r>>16&255,r>>8&255,255&r,0,0,0,0,s>>24,s>>16&255,s>>8&255,255&s,o>>24,o>>16&255,o>>8&255,255&o,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,i>>8&255,255&i,0,0,n>>8&255,255&n,0,0]))},e.traf=function(t,r){var a=e.sdtp(t),i=t.id,n=Math.floor(r/(I+1)),s=Math.floor(r%(I+1));return e.box(e.types.traf,e.box(e.types.tfhd,new Uint8Array([0,0,0,0,i>>24,i>>16&255,i>>8&255,255&i])),e.box(e.types.tfdt,new Uint8Array([1,0,0,0,n>>24,n>>16&255,n>>8&255,255&n,s>>24,s>>16&255,s>>8&255,255&s])),e.trun(t,a.length+16+20+8+16+8+8),a)},e.trak=function(t){return t.duration=t.duration||4294967295,e.box(e.types.trak,e.tkhd(t),e.mdia(t))},e.trex=function(t){var r=t.id;return e.box(e.types.trex,new Uint8Array([0,0,0,0,r>>24,r>>16&255,r>>8&255,255&r,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))},e.trun=function(t,r){var a,i,n,s,o,l,d=t.samples||[],u=d.length,f=12+16*u,h=new Uint8Array(f);for(r+=8+f,h.set([0,0,15,1,u>>>24&255,u>>>16&255,u>>>8&255,255&u,r>>>24&255,r>>>16&255,r>>>8&255,255&r],0),a=0;a<u;a++)n=(i=d[a]).duration,s=i.size,o=i.flags,l=i.cts,h.set([n>>>24&255,n>>>16&255,n>>>8&255,255&n,s>>>24&255,s>>>16&255,s>>>8&255,255&s,o.isLeading<<2|o.dependsOn,o.isDependedOn<<6|o.hasRedundancy<<4|o.paddingValue<<1|o.isNonSync,61440&o.degradPrio,15&o.degradPrio,l>>>24&255,l>>>16&255,l>>>8&255,255&l],12+16*a);return e.box(e.types.trun,h)},e.initSegment=function(t){e.types||e.init();var r,a=e.moov(t);return(r=new Uint8Array(e.FTYP.byteLength+a.byteLength)).set(e.FTYP),r.set(a,e.FTYP.byteLength),r},e}();function P(e,t,r,a){void 0===r&&(r=1),void 0===a&&(a=!1);var i=e*t*r;return a?Math.round(i):i}function F(e,t){return void 0===t&&(t=!1),P(e,1e3,1/9e4,t)}function M(e,t){return void 0===t&&(t=1),P(e,9e4,1/t)}var U,B=M(10),N=M(.2),G=function(){function e(e,t,r,a){this.observer=e,this.config=t,this.typeSupported=r;var i=navigator.userAgent;this.isSafari=a&&a.indexOf("Apple")>-1&&i&&!i.match("CriOS"),this.ISGenerated=!1}var t=e.prototype;return t.destroy=function(){},t.resetTimeStamp=function(e){this._initPTS=this._initDTS=e},t.resetInitSegment=function(){this.ISGenerated=!1},t.remux=function(e,t,r,i,n,s,o){if(this.ISGenerated||this.generateIS(e,t,n),this.ISGenerated){var d=e.samples.length,u=t.samples.length,f=n,h=n;if(d&&u){var c=(e.samples[0].pts-t.samples[0].pts)/t.inputTimeScale;f+=Math.max(0,c),h+=Math.max(0,-c)}if(d){e.timescale||(l.b.warn("regenerate InitSegment as audio detected"),this.generateIS(e,t,n));var v,p=this.remuxAudio(e,f,s,o);if(u)p&&(v=p.endPTS-p.startPTS),t.timescale||(l.b.warn("regenerate InitSegment as video detected"),this.generateIS(e,t,n)),this.remuxVideo(t,h,s,v,o)}else if(u){var g=this.remuxVideo(t,h,s,0,o);g&&e.codec&&this.remuxEmptyAudio(e,f,s,g)}}r.samples.length&&this.remuxID3(r,n),i.samples.length&&this.remuxText(i,n),this.observer.trigger(a.a.FRAG_PARSED)},t.generateIS=function(e,t,r){var n,s,o=this.observer,d=e.samples,u=t.samples,f=this.typeSupported,h="audio/mp4",c={},v={tracks:c},p=void 0===this._initPTS;if(p&&(n=s=1/0),e.config&&d.length&&(e.timescale=e.samplerate,l.b.log("audio sampling rate : "+e.samplerate),e.isAAC||(f.mpeg?(h="audio/mpeg",e.codec=""):f.mp3&&(e.codec="mp3")),c.audio={container:h,codec:e.codec,initSegment:!e.isAAC&&f.mpeg?new Uint8Array:C.initSegment([e]),metadata:{channelCount:e.channelCount}},p&&(n=s=d[0].pts-e.inputTimeScale*r)),t.sps&&t.pps&&u.length){var g=t.inputTimeScale;t.timescale=g,c.video={container:"video/mp4",codec:t.codec,initSegment:C.initSegment([t]),metadata:{width:t.width,height:t.height}},p&&(n=Math.min(n,u[0].pts-g*r),s=Math.min(s,u[0].dts-g*r),this.observer.trigger(a.a.INIT_PTS_FOUND,{initPTS:n}))}Object.keys(c).length?(o.trigger(a.a.FRAG_PARSING_INIT_SEGMENT,v),this.ISGenerated=!0,p&&(this._initPTS=n,this._initDTS=s)):o.trigger(a.a.ERROR,{type:i.b.MEDIA_ERROR,details:i.a.FRAG_PARSING_ERROR,fatal:!1,reason:"no audio/video samples found"})},t.remuxVideo=function(e,t,r,n,s){var o,d,u,f,h,c,v,p=8,g=e.timescale,m=e.samples,y=[],b=m.length,E=this._PTSNormalize,T=this._initPTS,S=this.nextAvcDts,_=this.isSafari;if(0!==b){_&&(r|=m.length&&S&&(s&&Math.abs(t-S/g)<.1||Math.abs(m[0].pts-S-T)<g/5)),r||(S=t*g),m.forEach((function(e){e.pts=E(e.pts-T,S),e.dts=E(e.dts-T,S)})),m.sort((function(e,t){var r=e.dts-t.dts,a=e.pts-t.pts;return r||a||e.id-t.id}));var A=m.reduce((function(e,t){return Math.max(Math.min(e,t.pts-t.dts),-1*N)}),0);if(A<0){l.b.warn("PTS < DTS detected in video samples, shifting DTS by "+F(A,!0)+" ms to overcome this issue");for(var R=0;R<m.length;R++)m[R].dts+=A}var L=m[0];h=Math.max(L.dts,0),f=Math.max(L.pts,0);var w=h-S;r&&w&&(w>1?l.b.log("AVC: "+F(w,!0)+" ms hole between fragments detected,filling it"):w<-1&&l.b.log("AVC: "+F(-w,!0)+" ms overlapping between fragments detected"),h=S,m[0].dts=h,f=Math.max(f-w,S),m[0].pts=f,l.b.log("Video: PTS/DTS adjusted: "+F(f,!0)+"/"+F(h,!0)+", delta: "+F(w,!0)+" ms")),L=m[m.length-1],v=Math.max(L.dts,0),c=Math.max(L.pts,0,v),_&&(o=Math.round((v-h)/(m.length-1)));for(var D=0,k=0,O=0;O<b;O++){for(var x=m[O],I=x.units,P=I.length,M=0,U=0;U<P;U++)M+=I[U].data.length;k+=M,D+=P,x.length=M,x.dts=_?h+O*o:Math.max(x.dts,h),x.pts=Math.max(x.pts,x.dts)}var B=k+4*D+8;try{d=new Uint8Array(B)}catch(e){return void this.observer.trigger(a.a.ERROR,{type:i.b.MUX_ERROR,details:i.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:B,reason:"fail allocating video mdat "+B})}var G=new DataView(d.buffer);G.setUint32(0,B),d.set(C.types.mdat,4);for(var j=0;j<b;j++){for(var K=m[j],H=K.units,V=0,W=void 0,Y=0,z=H.length;Y<z;Y++){var X=H[Y],q=X.data,Q=X.data.byteLength;G.setUint32(p,Q),p+=4,d.set(q,p),p+=Q,V+=4+Q}if(_)W=Math.max(0,o*Math.round((K.pts-K.dts)/o));else{if(j<b-1)o=m[j+1].dts-K.dts;else{var Z=this.config,J=K.dts-m[j>0?j-1:j].dts;if(Z.stretchShortVideoTrack){var $=Z.maxBufferHole,ee=Math.floor($*g),te=(n?f+n*g:this.nextAudioPts)-K.pts;te>ee?((o=te-J)<0&&(o=J),l.b.log("It is approximately "+F(te,!1)+" ms to the next segment; using duration "+F(o,!1)+" ms for the last video frame.")):o=J}else o=J}W=Math.round(K.pts-K.dts)}y.push({size:V,duration:o,cts:W,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:K.key?2:1,isNonSync:K.key?0:1}})}this.nextAvcDts=v+o;var re=e.dropped;if(e.nbNalu=0,e.dropped=0,y.length&&navigator.userAgent.toLowerCase().indexOf("chrome")>-1){var ae=y[0].flags;ae.dependsOn=2,ae.isNonSync=0}e.samples=y,u=C.moof(e.sequenceNumber++,h,e),e.samples=[];var ie={data1:u,data2:d,startPTS:f/g,endPTS:(c+o)/g,startDTS:h/g,endDTS:this.nextAvcDts/g,type:"video",hasAudio:!1,hasVideo:!0,nb:y.length,dropped:re};return this.observer.trigger(a.a.FRAG_PARSING_DATA,ie),ie}},t.remuxAudio=function(e,t,r,n){var s,o,d,u,f,h,c=e.inputTimeScale,v=e.timescale,p=c/v,g=(e.isAAC?1024:1152)*p,m=this._PTSNormalize,y=this._initPTS,b=!e.isAAC&&this.typeSupported.mpeg,E=b?0:8,T=e.samples,S=[],_=this.nextAudioPts;if(r|=T.length&&_&&(n&&Math.abs(t-_/c)<.1||Math.abs(T[0].pts-_-y)<20*g),T.forEach((function(e){e.pts=e.dts=m(e.pts-y,t*c)})),0!==(T=T.filter((function(e){return e.pts>=0}))).length){if(r||(_=n?t*c:T[0].pts),e.isAAC)for(var A=this.config.maxAudioFramesDrift,R=0,L=_;R<T.length;){var w,D=T[R];if((w=D.pts-L)<=-A*g)l.b.warn("Dropping 1 audio frame @ "+F(L,!0)+" ms due to "+F(w,!0)+" ms overlap."),T.splice(R,1);else if(w>=A*g&&w<B&&L){var k=Math.round(w/g);l.b.warn("Injecting "+k+" audio frames @ "+F(L,!0)+" ms due to "+F(L,!0)+" ms gap.");for(var O=0;O<k;O++){var I=Math.max(L,0);(o=x.getSilentFrame(e.manifestCodec||e.codec,e.channelCount))||(l.b.log("Unable to get silent frame for given audio codec; duplicating last frame instead."),o=D.unit.subarray()),T.splice(R,0,{unit:o,pts:I,dts:I}),L+=g,R++}D.pts=D.dts=L,L+=g,R++}else Math.abs(w),D.pts=D.dts=L,L+=g,R++}for(var P=T.length,M=0;P--;)M+=T[P].unit.byteLength;for(var U=0,N=T.length;U<N;U++){var G=T[U],j=G.unit,K=G.pts;if(void 0!==h)s.duration=Math.round((K-h)/p);else{var H=K-_,V=0;if(r&&e.isAAC&&H){if(H>0&&H<B)V=Math.round((K-_)/g),l.b.log(F(H,!0)+" ms hole between AAC samples detected,filling it"),V>0&&((o=x.getSilentFrame(e.manifestCodec||e.codec,e.channelCount))||(o=j.subarray()),M+=V*o.length);else if(H<-12){l.b.log("drop overlapping AAC sample, expected/parsed/delta: "+F(_,!0)+" ms / "+F(K,!0)+" ms / "+F(-H,!0)+" ms"),M-=j.byteLength;continue}K=_}if(f=K,!(M>0))return;M+=E;try{d=new Uint8Array(M)}catch(e){return void this.observer.trigger(a.a.ERROR,{type:i.b.MUX_ERROR,details:i.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:M,reason:"fail allocating audio mdat "+M})}b||(new DataView(d.buffer).setUint32(0,M),d.set(C.types.mdat,4));for(var W=0;W<V;W++)(o=x.getSilentFrame(e.manifestCodec||e.codec,e.channelCount))||(l.b.log("Unable to get silent frame for given audio codec; duplicating this frame instead."),o=j.subarray()),d.set(o,E),E+=o.byteLength,s={size:o.byteLength,cts:0,duration:1024,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},S.push(s)}d.set(j,E);var Y=j.byteLength;E+=Y,s={size:Y,cts:0,duration:0,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},S.push(s),h=K}var z=0;if((P=S.length)>=2&&(z=S[P-2].duration,s.duration=z),P){this.nextAudioPts=_=h+p*z,e.samples=S,u=b?new Uint8Array:C.moof(e.sequenceNumber++,f/p,e),e.samples=[];var X=f/c,q=_/c,Q={data1:u,data2:d,startPTS:X,endPTS:q,startDTS:X,endDTS:q,type:"audio",hasAudio:!0,hasVideo:!1,nb:P};return this.observer.trigger(a.a.FRAG_PARSING_DATA,Q),Q}return null}},t.remuxEmptyAudio=function(e,t,r,a){var i=e.inputTimeScale,n=i/(e.samplerate?e.samplerate:i),s=this.nextAudioPts,o=(void 0!==s?s:a.startDTS*i)+this._initDTS,d=a.endDTS*i+this._initDTS,u=1024*n,f=Math.ceil((d-o)/u),h=x.getSilentFrame(e.manifestCodec||e.codec,e.channelCount);if(l.b.warn("remux empty Audio"),h){for(var c=[],v=0;v<f;v++){var p=o+v*u;c.push({unit:h,pts:p,dts:p})}e.samples=c,this.remuxAudio(e,t,r)}else l.b.trace("Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!")},t.remuxID3=function(e){var t,r=e.samples.length,i=e.inputTimeScale,n=this._initPTS,s=this._initDTS;if(r){for(var o=0;o<r;o++)(t=e.samples[o]).pts=(t.pts-n)/i,t.dts=(t.dts-s)/i;this.observer.trigger(a.a.FRAG_PARSING_METADATA,{samples:e.samples})}e.samples=[]},t.remuxText=function(e){e.samples.sort((function(e,t){return e.pts-t.pts}));var t,r=e.samples.length,i=e.inputTimeScale,n=this._initPTS;if(r){for(var s=0;s<r;s++)(t=e.samples[s]).pts=(t.pts-n)/i;this.observer.trigger(a.a.FRAG_PARSING_USERDATA,{samples:e.samples})}e.samples=[]},t._PTSNormalize=function(e,t){var r;if(void 0===t)return e;for(r=t<e?-8589934592:8589934592;Math.abs(e-t)>4294967296;)e+=r;return e},e}(),j=function(){function e(e){this.observer=e}var t=e.prototype;return t.destroy=function(){},t.resetTimeStamp=function(){},t.resetInitSegment=function(){},t.remux=function(e,t,r,i,n,s,o,l){var d=this.observer,u="";e&&(u+="audio"),t&&(u+="video"),d.trigger(a.a.FRAG_PARSING_DATA,{data1:l,startPTS:n,startDTS:n,type:u,hasAudio:!!e,hasVideo:!!t,nb:1,dropped:0}),d.trigger(a.a.FRAG_PARSED)},e}(),K=Object(d.a)();try{U=K.performance.now.bind(K.performance)}catch(e){l.b.debug("Unable to use Performance API on this environment"),U=K.Date.now}var H=function(){function e(e,t,r,a){this.observer=e,this.typeSupported=t,this.config=r,this.vendor=a}var t=e.prototype;return t.destroy=function(){var e=this.demuxer;e&&e.destroy()},t.push=function(e,t,r,i,n,s,o,l,d,u,h,c){var v=this;if(e.byteLength>0&&null!=t&&null!=t.key&&"AES-128"===t.method){var p=this.decrypter;null==p&&(p=this.decrypter=new f(this.observer,this.config));var g=U();p.decrypt(e,t.key.buffer,t.iv.buffer,(function(e){var f=U();v.observer.trigger(a.a.FRAG_DECRYPTED,{stats:{tstart:g,tdecrypt:f}}),v.pushDecrypted(new Uint8Array(e),t,new Uint8Array(r),i,n,s,o,l,d,u,h,c)}))}else this.pushDecrypted(new Uint8Array(e),t,new Uint8Array(r),i,n,s,o,l,d,u,h,c)},t.pushDecrypted=function(e,t,r,n,s,o,l,d,u,f,h,c){var v=this.demuxer;if(!v||(l||d)&&!this.probe(e)){for(var p=this.observer,g=this.typeSupported,m=this.config,y=[{demux:k,remux:G},{demux:_.a,remux:j},{demux:S,remux:G},{demux:O,remux:G}],b=0,E=y.length;b<E;b++){var T=y[b],A=T.demux.probe;if(A(e)){var R=this.remuxer=new T.remux(p,m,g,this.vendor);v=new T.demux(p,R,m,g),this.probe=A;break}}if(!v)return void p.trigger(a.a.ERROR,{type:i.b.MEDIA_ERROR,details:i.a.FRAG_PARSING_ERROR,fatal:!0,reason:"no demux matching with content found"});this.demuxer=v}var L=this.remuxer;(l||d)&&(v.resetInitSegment(r,n,s,f),L.resetInitSegment()),l&&(v.resetTimeStamp(c),L.resetTimeStamp(c)),"function"==typeof v.setDecryptData&&v.setDecryptData(t),v.append(e,o,u,h)},e}();t.a=H},function(e,t,r){"use strict";var a=r(0),i=r(1),n=Math.pow(2,32)-1,s=function(){function e(e,t){this.observer=e,this.remuxer=t}var t=e.prototype;return t.resetTimeStamp=function(e){this.initPTS=e},t.resetInitSegment=function(t,r,a,n){if(t&&t.byteLength){var s=this.initData=e.parseInitSegment(t);null==r&&(r="mp4a.40.5"),null==a&&(a="avc1.42e01e");var o={};s.audio&&s.video?o.audiovideo={container:"video/mp4",codec:r+","+a,initSegment:n?t:null}:(s.audio&&(o.audio={container:"audio/mp4",codec:r,initSegment:n?t:null}),s.video&&(o.video={container:"video/mp4",codec:a,initSegment:n?t:null})),this.observer.trigger(i.a.FRAG_PARSING_INIT_SEGMENT,{tracks:o})}else r&&(this.audioCodec=r),a&&(this.videoCodec=a)},e.probe=function(t){return e.findBox({data:t,start:0,end:Math.min(t.length,16384)},["moof"]).length>0},e.bin2str=function(e){return String.fromCharCode.apply(null,e)},e.readUint16=function(e,t){e.data&&(t+=e.start,e=e.data);var r=e[t]<<8|e[t+1];return r<0?65536+r:r},e.readUint32=function(e,t){e.data&&(t+=e.start,e=e.data);var r=e[t]<<24|e[t+1]<<16|e[t+2]<<8|e[t+3];return r<0?4294967296+r:r},e.writeUint32=function(e,t,r){e.data&&(t+=e.start,e=e.data),e[t]=r>>24,e[t+1]=r>>16&255,e[t+2]=r>>8&255,e[t+3]=255&r},e.findBox=function(t,r){var a,i,n,s,o,l,d=[];if(t.data?(o=t.start,n=t.end,t=t.data):(o=0,n=t.byteLength),!r.length)return null;for(a=o;a<n;)l=(i=e.readUint32(t,a))>1?a+i:n,e.bin2str(t.subarray(a+4,a+8))===r[0]&&(1===r.length?d.push({data:t,start:a+8,end:l}):(s=e.findBox({data:t,start:a+8,end:l},r.slice(1))).length&&(d=d.concat(s))),a=l;return d},e.parseSegmentIndex=function(t){var r,a=e.findBox(t,["moov"])[0],i=a?a.end:null,n=0,s=e.findBox(t,["sidx"]);if(!s||!s[0])return null;r=[];var o=(s=s[0]).data[0];n=0===o?8:16;var l=e.readUint32(s,n);n+=4;n+=0===o?8:16,n+=2;var d=s.end+0,u=e.readUint16(s,n);n+=2;for(var f=0;f<u;f++){var h=n,c=e.readUint32(s,h);h+=4;var v=2147483647&c;if(1===(2147483648&c)>>>31)return void console.warn("SIDX has hierarchical references (not supported)");var p=e.readUint32(s,h);h+=4,r.push({referenceSize:v,subsegmentDuration:p,info:{duration:p/l,start:d,end:d+v-1}}),d+=v,n=h+=4}return{earliestPresentationTime:0,timescale:l,version:o,referencesCount:u,references:r,moovEndOffset:i}},e.parseInitSegment=function(t){var r=[];return e.findBox(t,["moov","trak"]).forEach((function(t){var i=e.findBox(t,["tkhd"])[0];if(i){var n=i.data[i.start],s=0===n?12:20,o=e.readUint32(i,s),l=e.findBox(t,["mdia","mdhd"])[0];if(l){s=0===(n=l.data[l.start])?12:20;var d=e.readUint32(l,s),u=e.findBox(t,["mdia","hdlr"])[0];if(u){var f={soun:"audio",vide:"video"}[e.bin2str(u.data.subarray(u.start+8,u.start+12))];if(f){var h=e.findBox(t,["mdia","minf","stbl","stsd"]);if(h.length){h=h[0];var c=e.bin2str(h.data.subarray(h.start+12,h.start+16));a.b.log("MP4Demuxer:"+f+":"+c+" found")}r[o]={timescale:d,type:f},r[f]={timescale:d,id:o}}}}}})),r},e.getStartDTS=function(t,r){var a,i,n;return a=e.findBox(r,["moof","traf"]),i=[].concat.apply([],a.map((function(r){return e.findBox(r,["tfhd"]).map((function(a){var i,n;return i=e.readUint32(a,4),n=t[i].timescale||9e4,e.findBox(r,["tfdt"]).map((function(t){var r,a;return r=t.data[t.start],a=e.readUint32(t,4),1===r&&(a*=Math.pow(2,32),a+=e.readUint32(t,8)),a}))[0]/n}))}))),n=Math.min.apply(null,i),isFinite(n)?n:0},e.offsetStartDTS=function(t,r,a){e.findBox(r,["moof","traf"]).map((function(r){return e.findBox(r,["tfhd"]).map((function(i){var s=e.readUint32(i,4),o=t[s].timescale||9e4;e.findBox(r,["tfdt"]).map((function(t){var r=t.data[t.start],i=e.readUint32(t,4);if(0===r)e.writeUint32(t,4,i-a*o);else{i*=Math.pow(2,32),i+=e.readUint32(t,8),i-=a*o,i=Math.max(i,0);var s=Math.floor(i/(n+1)),l=Math.floor(i%(n+1));e.writeUint32(t,4,s),e.writeUint32(t,8,l)}}))}))}))},t.append=function(t,r,a,n){var s=this.initData;s||(this.resetInitSegment(t,this.audioCodec,this.videoCodec,!1),s=this.initData);var o,l=this.initPTS;if(void 0===l){var d=e.getStartDTS(s,t);this.initPTS=l=d-r,this.observer.trigger(i.a.INIT_PTS_FOUND,{initPTS:l})}e.offsetStartDTS(s,t,l),o=e.getStartDTS(s,t),this.remuxer.remux(s.audio,s.video,null,null,o,a,n,t)},t.destroy=function(){},e}();t.a=s},function(e,t,r){function a(e){var t={};function r(a){if(t[a])return t[a].exports;var i=t[a]={i:a,l:!1,exports:{}};return e[a].call(i.exports,i,i.exports,r),i.l=!0,i.exports}r.m=e,r.c=t,r.i=function(e){return e},r.d=function(e,t,a){r.o(e,t)||Object.defineProperty(e,t,{configurable:!1,enumerable:!0,get:a})},r.r=function(e){Object.defineProperty(e,"__esModule",{value:!0})},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},r.p="/",r.oe=function(e){throw console.error(e),e};var a=r(r.s=ENTRY_MODULE);return a.default||a}var i="\\(\\s*(/\\*.*?\\*/)?\\s*.*?([\\.|\\-|\\+|\\w|/|@]+).*?\\)";function n(e){return(e+"").replace(/[.?*+^$[\]\\(){}|-]/g,"\\$&")}function s(e,t,a){var s={};s[a]=[];var o=t.toString(),l=o.match(/^function\s?\w*\(\w+,\s*\w+,\s*(\w+)\)/);if(!l)return s;for(var d,u=l[1],f=new RegExp("(\\\\n|\\W)"+n(u)+i,"g");d=f.exec(o);)"dll-reference"!==d[3]&&s[a].push(d[3]);for(f=new RegExp("\\("+n(u)+'\\("(dll-reference\\s([\\.|\\-|\\+|\\w|/|@]+))"\\)\\)'+i,"g");d=f.exec(o);)e[d[2]]||(s[a].push(d[1]),e[d[2]]=r(d[1]).m),s[d[2]]=s[d[2]]||[],s[d[2]].push(d[4]);for(var h,c=Object.keys(s),v=0;v<c.length;v++)for(var p=0;p<s[c[v]].length;p++)h=s[c[v]][p],isNaN(1*h)||(s[c[v]][p]=1*s[c[v]][p]);return s}function o(e){return Object.keys(e).reduce((function(t,r){return t||e[r].length>0}),!1)}e.exports=function(e,t){t=t||{};var i={main:r.m},n=t.all?{main:Object.keys(i.main)}:function(e,t){for(var r={main:[t]},a={main:[]},i={main:{}};o(r);)for(var n=Object.keys(r),l=0;l<n.length;l++){var d=n[l],u=r[d].pop();if(i[d]=i[d]||{},!i[d][u]&&e[d][u]){i[d][u]=!0,a[d]=a[d]||[],a[d].push(u);for(var f=s(e,e[d][u],d),h=Object.keys(f),c=0;c<h.length;c++)r[h[c]]=r[h[c]]||[],r[h[c]]=r[h[c]].concat(f[h[c]])}}return a}(i,e),l="";Object.keys(n).filter((function(e){return"main"!==e})).forEach((function(e){for(var t=0;n[e][t];)t++;n[e].push(t),i[e][t]="(function(module, exports, __webpack_require__) { module.exports = __webpack_require__; })",l=l+"var "+e+" = ("+a.toString().replace("ENTRY_MODULE",JSON.stringify(t))+")({"+n[e].map((function(t){return JSON.stringify(t)+": "+i[e][t].toString()})).join(",")+"});\n"})),l=l+"new (("+a.toString().replace("ENTRY_MODULE",JSON.stringify(e))+")({"+n.main.map((function(e){return JSON.stringify(e)+": "+i.main[e].toString()})).join(",")+"}))(self);";var d=new window.Blob([l],{type:"text/javascript"});if(t.bare)return d;var u=(window.URL||window.webkitURL||window.mozURL||window.msURL).createObjectURL(d),f=new window.Worker(u);return f.objectURL=u,f}},function(e,t,r){"use strict";r.r(t);var a=r(9),i=r(1),n=r(0),s=r(8);t.default=function(e){var t=new s.EventEmitter;t.trigger=function(e){for(var r=arguments.length,a=new Array(r>1?r-1:0),i=1;i<r;i++)a[i-1]=arguments[i];t.emit.apply(t,[e,e].concat(a))},t.off=function(e){for(var r=arguments.length,a=new Array(r>1?r-1:0),i=1;i<r;i++)a[i-1]=arguments[i];t.removeListener.apply(t,[e].concat(a))};var r=function(t,r){e.postMessage({event:t,data:r})};e.addEventListener("message",(function(i){var s=i.data;switch(s.cmd){case"init":var o=JSON.parse(s.config);e.demuxer=new a.a(t,s.typeSupported,o,s.vendor),Object(n.a)(o.debug),r("init",null);break;case"demux":e.demuxer.push(s.data,s.decryptdata,s.initSegment,s.audioCodec,s.videoCodec,s.timeOffset,s.discontinuity,s.trackSwitch,s.contiguous,s.duration,s.accurateTimeOffset,s.defaultInitPTS)}})),t.on(i.a.FRAG_DECRYPTED,r),t.on(i.a.FRAG_PARSING_INIT_SEGMENT,r),t.on(i.a.FRAG_PARSED,r),t.on(i.a.ERROR,r),t.on(i.a.FRAG_PARSING_METADATA,r),t.on(i.a.FRAG_PARSING_USERDATA,r),t.on(i.a.INIT_PTS_FOUND,r),t.on(i.a.FRAG_PARSING_DATA,(function(t,r){var a=[],i={event:t,data:r};r.data1&&(i.data1=r.data1.buffer,a.push(r.data1.buffer),delete r.data1),r.data2&&(i.data2=r.data2.buffer,a.push(r.data2.buffer),delete r.data2),e.postMessage(i,a)}))}},function(e,t,r){"use strict";r.r(t);var a,i,n=r(7),s=r(2),o=r(3),l=r(1),d=r(0),u={hlsEventGeneric:!0,hlsHandlerDestroying:!0,hlsHandlerDestroyed:!0},f=function(){function e(e){this.hls=void 0,this.handledEvents=void 0,this.useGenericHandler=void 0,this.hls=e,this.onEvent=this.onEvent.bind(this);for(var t=arguments.length,r=new Array(t>1?t-1:0),a=1;a<t;a++)r[a-1]=arguments[a];this.handledEvents=r,this.useGenericHandler=!0,this.registerListeners()}var t=e.prototype;return t.destroy=function(){this.onHandlerDestroying(),this.unregisterListeners(),this.onHandlerDestroyed()},t.onHandlerDestroying=function(){},t.onHandlerDestroyed=function(){},t.isEventHandler=function(){return"object"==typeof this.handledEvents&&this.handledEvents.length&&"function"==typeof this.onEvent},t.registerListeners=function(){this.isEventHandler()&&this.handledEvents.forEach((function(e){if(u[e])throw new Error("Forbidden event-name: "+e);this.hls.on(e,this.onEvent)}),this)},t.unregisterListeners=function(){this.isEventHandler()&&this.handledEvents.forEach((function(e){this.hls.off(e,this.onEvent)}),this)},t.onEvent=function(e,t){this.onEventGeneric(e,t)},t.onEventGeneric=function(e,t){try{(function(e,t){var r="on"+e.replace("hls","");if("function"!=typeof this[r])throw new Error("Event "+e+" has no generic handler in this "+this.constructor.name+" class (tried "+r+")");return this[r].bind(this,t)}).call(this,e,t).call()}catch(t){d.b.error("An internal error happened while handling event "+e+'. Error message: "'+t.message+'". Here is a stacktrace:',t),this.hls.trigger(l.a.ERROR,{type:s.b.OTHER_ERROR,details:s.a.INTERNAL_EXCEPTION,fatal:!1,event:e,err:t})}},e}();!function(e){e.MANIFEST="manifest",e.LEVEL="level",e.AUDIO_TRACK="audioTrack",e.SUBTITLE_TRACK="subtitleTrack"}(a||(a={})),function(e){e.MAIN="main",e.AUDIO="audio",e.SUBTITLE="subtitle"}(i||(i={}));var h=r(10);function c(e,t){for(var r=0;r<t.length;r++){var a=t[r];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(e,a.key,a)}}var v,p=function(){function e(e,t){this._uri=null,this.baseuri=void 0,this.reluri=void 0,this.method=null,this.key=null,this.iv=null,this.baseuri=e,this.reluri=t}var t,r,a;return t=e,(r=[{key:"uri",get:function(){return!this._uri&&this.reluri&&(this._uri=Object(n.buildAbsoluteURL)(this.baseuri,this.reluri,{alwaysNormalize:!0})),this._uri}}])&&c(t.prototype,r),a&&c(t,a),e}();function g(e,t){for(var r=0;r<t.length;r++){var a=t[r];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(e,a.key,a)}}!function(e){e.AUDIO="audio",e.VIDEO="video"}(v||(v={}));var m=function(){function e(){var e;this._url=null,this._byteRange=null,this._decryptdata=null,this._elementaryStreams=((e={})[v.AUDIO]=!1,e[v.VIDEO]=!1,e),this.deltaPTS=0,this.rawProgramDateTime=null,this.programDateTime=null,this.title=null,this.tagList=[],this.cc=void 0,this.type=void 0,this.relurl=void 0,this.baseurl=void 0,this.duration=void 0,this.start=void 0,this.sn=0,this.urlId=0,this.level=0,this.levelkey=void 0,this.loader=void 0}var t,r,a,i=e.prototype;return i.setByteRange=function(e,t){var r=e.split("@",2),a=[];1===r.length?a[0]=t?t.byteRangeEndOffset:0:a[0]=parseInt(r[1]),a[1]=parseInt(r[0])+a[0],this._byteRange=a},i.addElementaryStream=function(e){this._elementaryStreams[e]=!0},i.hasElementaryStream=function(e){return!0===this._elementaryStreams[e]},i.createInitializationVector=function(e){for(var t=new Uint8Array(16),r=12;r<16;r++)t[r]=e>>8*(15-r)&255;return t},i.setDecryptDataFromLevelKey=function(e,t){var r=e;return e&&e.method&&e.uri&&!e.iv&&((r=new p(e.baseuri,e.reluri)).method=e.method,r.iv=this.createInitializationVector(t)),r},t=e,(r=[{key:"url",get:function(){return!this._url&&this.relurl&&(this._url=Object(n.buildAbsoluteURL)(this.baseurl,this.relurl,{alwaysNormalize:!0})),this._url},set:function(e){this._url=e}},{key:"byteRange",get:function(){return this._byteRange?this._byteRange:[]}},{key:"byteRangeStartOffset",get:function(){return this.byteRange[0]}},{key:"byteRangeEndOffset",get:function(){return this.byteRange[1]}},{key:"decryptdata",get:function(){if(!this.levelkey&&!this._decryptdata)return null;if(!this._decryptdata&&this.levelkey){var e=this.sn;"number"!=typeof e&&(this.levelkey&&"AES-128"===this.levelkey.method&&!this.levelkey.iv&&d.b.warn('missing IV for initialization segment with method="'+this.levelkey.method+'" - compliance issue'),e=0),this._decryptdata=this.setDecryptDataFromLevelKey(this.levelkey,e)}return this._decryptdata}},{key:"endProgramDateTime",get:function(){if(null===this.programDateTime)return null;if(!Object(o.a)(this.programDateTime))return null;var e=Object(o.a)(this.duration)?this.duration:0;return this.programDateTime+1e3*e}},{key:"encrypted",get:function(){return!(!this.decryptdata||null===this.decryptdata.uri||null!==this.decryptdata.key)}}])&&g(t.prototype,r),a&&g(t,a),e}();function y(e,t){for(var r=0;r<t.length;r++){var a=t[r];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(e,a.key,a)}}var b=function(){function e(e){this.endCC=0,this.endSN=0,this.fragments=[],this.initSegment=null,this.live=!0,this.needSidxRanges=!1,this.startCC=0,this.startSN=0,this.startTimeOffset=null,this.targetduration=0,this.totalduration=0,this.type=null,this.url=e,this.version=null}var t,r,a;return t=e,(r=[{key:"hasProgramDateTime",get:function(){return!(!this.fragments[0]||!Object(o.a)(this.fragments[0].programDateTime))}}])&&y(t.prototype,r),a&&y(t,a),e}(),E=/^(\d+)x(\d+)$/,T=/\s*(.+?)\s*=((?:\".*?\")|.*?)(?:,|$)/g,S=function(){function e(t){for(var r in"string"==typeof t&&(t=e.parseAttrList(t)),t)t.hasOwnProperty(r)&&(this[r]=t[r])}var t=e.prototype;return t.decimalInteger=function(e){var t=parseInt(this[e],10);return t>Number.MAX_SAFE_INTEGER?1/0:t},t.hexadecimalInteger=function(e){if(this[e]){var t=(this[e]||"0x").slice(2);t=(1&t.length?"0":"")+t;for(var r=new Uint8Array(t.length/2),a=0;a<t.length/2;a++)r[a]=parseInt(t.slice(2*a,2*a+2),16);return r}return null},t.hexadecimalIntegerAsNumber=function(e){var t=parseInt(this[e],16);return t>Number.MAX_SAFE_INTEGER?1/0:t},t.decimalFloatingPoint=function(e){return parseFloat(this[e])},t.enumeratedString=function(e){return this[e]},t.decimalResolution=function(e){var t=E.exec(this[e]);if(null!==t)return{width:parseInt(t[1],10),height:parseInt(t[2],10)}},e.parseAttrList=function(e){var t,r={};for(T.lastIndex=0;null!==(t=T.exec(e));){var a=t[2];0===a.indexOf('"')&&a.lastIndexOf('"')===a.length-1&&(a=a.slice(1,-1)),r[t[1]]=a}return r},e}(),_={audio:{a3ds:!0,"ac-3":!0,"ac-4":!0,alac:!0,alaw:!0,dra1:!0,"dts+":!0,"dts-":!0,dtsc:!0,dtse:!0,dtsh:!0,"ec-3":!0,enca:!0,g719:!0,g726:!0,m4ae:!0,mha1:!0,mha2:!0,mhm1:!0,mhm2:!0,mlpa:!0,mp4a:!0,"raw ":!0,Opus:!0,samr:!0,sawb:!0,sawp:!0,sevc:!0,sqcp:!0,ssmv:!0,twos:!0,ulaw:!0},video:{avc1:!0,avc2:!0,avc3:!0,avc4:!0,avcp:!0,drac:!0,dvav:!0,dvhe:!0,encv:!0,hev1:!0,hvc1:!0,mjp2:!0,mp4v:!0,mvc1:!0,mvc2:!0,mvc3:!0,mvc4:!0,resv:!0,rv60:!0,s263:!0,svc1:!0,svc2:!0,"vc-1":!0,vp08:!0,vp09:!0}};function A(e,t){return MediaSource.isTypeSupported((t||"video")+'/mp4;codecs="'+e+'"')}var R=/#EXT-X-STREAM-INF:([^\n\r]*)[\r\n]+([^\r\n]+)/g,L=/#EXT-X-MEDIA:(.*)/g,w=new RegExp([/#EXTINF:\s*(\d*(?:\.\d+)?)(?:,(.*)\s+)?/.source,/|(?!#)([\S+ ?]+)/.source,/|#EXT-X-BYTERANGE:*(.+)/.source,/|#EXT-X-PROGRAM-DATE-TIME:(.+)/.source,/|#.*/.source].join(""),"g"),D=/(?:(?:#(EXTM3U))|(?:#EXT-X-(PLAYLIST-TYPE):(.+))|(?:#EXT-X-(MEDIA-SEQUENCE): *(\d+))|(?:#EXT-X-(TARGETDURATION): *(\d+))|(?:#EXT-X-(KEY):(.+))|(?:#EXT-X-(START):(.+))|(?:#EXT-X-(ENDLIST))|(?:#EXT-X-(DISCONTINUITY-SEQ)UENCE:(\d+))|(?:#EXT-X-(DIS)CONTINUITY))|(?:#EXT-X-(VERSION):(\d+))|(?:#EXT-X-(MAP):(.+))|(?:(#)([^:]*):(.*))|(?:(#)(.*))(?:.*)\r?\n?/,k=/\.(mp4|m4s|m4v|m4a)$/i,O=function(){function e(){}return e.findGroup=function(e,t){for(var r=0;r<e.length;r++){var a=e[r];if(a.id===t)return a}},e.convertAVC1ToAVCOTI=function(e){var t,r=e.split(".");return r.length>2?(t=r.shift()+".",t+=parseInt(r.shift()).toString(16),t+=("000"+parseInt(r.shift()).toString(16)).substr(-4)):t=e,t},e.resolve=function(e,t){return n.buildAbsoluteURL(t,e,{alwaysNormalize:!0})},e.parseMasterPlaylist=function(t,r){var a,i=[];function n(e,t){["video","audio"].forEach((function(r){var a=e.filter((function(e){return function(e,t){var r=_[t];return!!r&&!0===r[e.slice(0,4)]}(e,r)}));if(a.length){var i=a.filter((function(e){return 0===e.lastIndexOf("avc1",0)||0===e.lastIndexOf("mp4a",0)}));t[r+"Codec"]=i.length>0?i[0]:a[0],e=e.filter((function(e){return-1===a.indexOf(e)}))}})),t.unknownCodecs=e}for(R.lastIndex=0;null!=(a=R.exec(t));){var s={},o=s.attrs=new S(a[1]);s.url=e.resolve(a[2],r);var l=o.decimalResolution("RESOLUTION");l&&(s.width=l.width,s.height=l.height),s.bitrate=o.decimalInteger("AVERAGE-BANDWIDTH")||o.decimalInteger("BANDWIDTH"),s.name=o.NAME,n([].concat((o.CODECS||"").split(/[ ,]+/)),s),s.videoCodec&&-1!==s.videoCodec.indexOf("avc1")&&(s.videoCodec=e.convertAVC1ToAVCOTI(s.videoCodec)),i.push(s)}return i},e.parseMasterPlaylistMedia=function(t,r,a,i){var n;void 0===i&&(i=[]);var s=[],o=0;for(L.lastIndex=0;null!==(n=L.exec(t));){var l=new S(n[1]);if(l.TYPE===a){var d={id:o++,groupId:l["GROUP-ID"],name:l.NAME||l.LANGUAGE,type:a,default:"YES"===l.DEFAULT,autoselect:"YES"===l.AUTOSELECT,forced:"YES"===l.FORCED,lang:l.LANGUAGE};if(l.URI&&(d.url=e.resolve(l.URI,r)),i.length){var u=e.findGroup(i,d.groupId);d.audioCodec=u?u.codec:i[0].codec}s.push(d)}}return s},e.parseLevelPlaylist=function(e,t,r,a,i){var n,s,l,u=0,f=0,h=new b(t),c=0,v=null,g=new m,y=null;for(w.lastIndex=0;null!==(n=w.exec(e));){var E=n[1];if(E){g.duration=parseFloat(E);var T=(" "+n[2]).slice(1);g.title=T||null,g.tagList.push(T?["INF",E,T]:["INF",E])}else if(n[3]){if(Object(o.a)(g.duration)){var _=u++;g.type=a,g.start=f,l&&(g.levelkey=l),g.sn=_,g.level=r,g.cc=c,g.urlId=i,g.baseurl=t,g.relurl=(" "+n[3]).slice(1),x(g,v),h.fragments.push(g),v=g,f+=g.duration,g=new m}}else if(n[4]){var A=(" "+n[4]).slice(1);v?g.setByteRange(A,v):g.setByteRange(A)}else if(n[5])g.rawProgramDateTime=(" "+n[5]).slice(1),g.tagList.push(["PROGRAM-DATE-TIME",g.rawProgramDateTime]),null===y&&(y=h.fragments.length);else{if(!(n=n[0].match(D))){d.b.warn("No matches on slow regex match for level playlist!");continue}for(s=1;s<n.length&&void 0===n[s];s++);var R=(" "+n[s+1]).slice(1),L=(" "+n[s+2]).slice(1);switch(n[s]){case"#":g.tagList.push(L?[R,L]:[R]);break;case"PLAYLIST-TYPE":h.type=R.toUpperCase();break;case"MEDIA-SEQUENCE":u=h.startSN=parseInt(R);break;case"TARGETDURATION":h.targetduration=parseFloat(R);break;case"VERSION":h.version=parseInt(R);break;case"EXTM3U":break;case"ENDLIST":h.live=!1;break;case"DIS":c++,g.tagList.push(["DIS"]);break;case"DISCONTINUITY-SEQ":c=parseInt(R);break;case"KEY":var O=new S(R),I=O.enumeratedString("METHOD"),C=O.URI,P=O.hexadecimalInteger("IV");I&&(l=new p(t,C),C&&["AES-128","SAMPLE-AES","SAMPLE-AES-CENC"].indexOf(I)>=0&&(l.method=I,l.key=null,l.iv=P));break;case"START":var F=new S(R).decimalFloatingPoint("TIME-OFFSET");Object(o.a)(F)&&(h.startTimeOffset=F);break;case"MAP":var M=new S(R);g.relurl=M.URI,M.BYTERANGE&&g.setByteRange(M.BYTERANGE),g.baseurl=t,g.level=r,g.type=a,g.sn="initSegment",h.initSegment=g,(g=new m).rawProgramDateTime=h.initSegment.rawProgramDateTime;break;default:d.b.warn("line parsed but not handled: "+n)}}}return(g=v)&&!g.relurl&&(h.fragments.pop(),f-=g.duration),h.totalduration=f,h.averagetargetduration=f/h.fragments.length,h.endSN=u-1,h.startCC=h.fragments[0]?h.fragments[0].cc:0,h.endCC=c,!h.initSegment&&h.fragments.length&&h.fragments.every((function(e){return k.test(e.relurl)}))&&(d.b.warn("MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX"),(g=new m).relurl=h.fragments[0].relurl,g.baseurl=t,g.level=r,g.type=a,g.sn="initSegment",h.initSegment=g,h.needSidxRanges=!0),y&&function(e,t){for(var r=e[t],a=t-1;a>=0;a--){var i=e[a];i.programDateTime=r.programDateTime-1e3*i.duration,r=i}}(h.fragments,y),h},e}();function x(e,t){e.rawProgramDateTime?e.programDateTime=Date.parse(e.rawProgramDateTime):t&&t.programDateTime&&(e.programDateTime=t.endProgramDateTime),Object(o.a)(e.programDateTime)||(e.programDateTime=null,e.rawProgramDateTime=null)}var I=window.performance,C=function(e){var t,r;function n(t){var r;return(r=e.call(this,t,l.a.MANIFEST_LOADING,l.a.LEVEL_LOADING,l.a.AUDIO_TRACK_LOADING,l.a.SUBTITLE_TRACK_LOADING)||this).loaders={},r}r=e,(t=n).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r,n.canHaveQualityLevels=function(e){return e!==a.AUDIO_TRACK&&e!==a.SUBTITLE_TRACK},n.mapContextToLevelType=function(e){switch(e.type){case a.AUDIO_TRACK:return i.AUDIO;case a.SUBTITLE_TRACK:return i.SUBTITLE;default:return i.MAIN}},n.getResponseUrl=function(e,t){var r=e.url;return void 0!==r&&0!==r.indexOf("data:")||(r=t.url),r};var u=n.prototype;return u.createInternalLoader=function(e){var t=this.hls.config,r=t.pLoader,a=t.loader,i=new(r||a)(t);return e.loader=i,this.loaders[e.type]=i,i},u.getInternalLoader=function(e){return this.loaders[e.type]},u.resetInternalLoader=function(e){this.loaders[e]&&delete this.loaders[e]},u.destroyInternalLoaders=function(){for(var e in this.loaders){var t=this.loaders[e];t&&t.destroy(),this.resetInternalLoader(e)}},u.destroy=function(){this.destroyInternalLoaders(),e.prototype.destroy.call(this)},u.onManifestLoading=function(e){this.load({url:e.url,type:a.MANIFEST,level:0,id:null,responseType:"text"})},u.onLevelLoading=function(e){this.load({url:e.url,type:a.LEVEL,level:e.level,id:e.id,responseType:"text"})},u.onAudioTrackLoading=function(e){this.load({url:e.url,type:a.AUDIO_TRACK,level:null,id:e.id,responseType:"text"})},u.onSubtitleTrackLoading=function(e){this.load({url:e.url,type:a.SUBTITLE_TRACK,level:null,id:e.id,responseType:"text"})},u.load=function(e){var t=this.hls.config;d.b.debug("Loading playlist of type "+e.type+", level: "+e.level+", id: "+e.id);var r,i,n,s,o=this.getInternalLoader(e);if(o){var l=o.context;if(l&&l.url===e.url)return d.b.trace("playlist request ongoing"),!1;d.b.warn("aborting previous loader for type: "+e.type),o.abort()}switch(e.type){case a.MANIFEST:r=t.manifestLoadingMaxRetry,i=t.manifestLoadingTimeOut,n=t.manifestLoadingRetryDelay,s=t.manifestLoadingMaxRetryTimeout;break;case a.LEVEL:r=0,s=0,n=0,i=t.levelLoadingTimeOut;break;default:r=t.levelLoadingMaxRetry,i=t.levelLoadingTimeOut,n=t.levelLoadingRetryDelay,s=t.levelLoadingMaxRetryTimeout}o=this.createInternalLoader(e);var u={timeout:i,maxRetry:r,retryDelay:n,maxRetryDelay:s},f={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};return d.b.debug("Calling internal loader delegate for URL: "+e.url),o.load(e,u,f),!0},u.loadsuccess=function(e,t,r,a){if(void 0===a&&(a=null),r.isSidxRequest)return this._handleSidxRequest(e,r),void this._handlePlaylistLoaded(e,t,r,a);if(this.resetInternalLoader(r.type),"string"!=typeof e.data)throw new Error('expected responseType of "text" for PlaylistLoader');var i=e.data;t.tload=I.now(),0===i.indexOf("#EXTM3U")?i.indexOf("#EXTINF:")>0||i.indexOf("#EXT-X-TARGETDURATION:")>0?this._handleTrackOrLevelPlaylist(e,t,r,a):this._handleMasterPlaylist(e,t,r,a):this._handleManifestParsingError(e,r,"no EXTM3U delimiter",a)},u.loaderror=function(e,t,r){void 0===r&&(r=null),this._handleNetworkError(t,r,!1,e)},u.loadtimeout=function(e,t,r){void 0===r&&(r=null),this._handleNetworkError(t,r,!0)},u._handleMasterPlaylist=function(e,t,r,a){var i=this.hls,s=e.data,o=n.getResponseUrl(e,r),u=O.parseMasterPlaylist(s,o);if(u.length){var f=u.map((function(e){return{id:e.attrs.AUDIO,codec:e.audioCodec}})),h=O.parseMasterPlaylistMedia(s,o,"AUDIO",f),c=O.parseMasterPlaylistMedia(s,o,"SUBTITLES");if(h.length){var v=!1;h.forEach((function(e){e.url||(v=!0)})),!1===v&&u[0].audioCodec&&!u[0].attrs.AUDIO&&(d.b.log("audio codec signaled in quality level, but no embedded audio track signaled, create one"),h.unshift({type:"main",name:"main",default:!1,autoselect:!1,forced:!1,id:-1}))}i.trigger(l.a.MANIFEST_LOADED,{levels:u,audioTracks:h,subtitles:c,url:o,stats:t,networkDetails:a})}else this._handleManifestParsingError(e,r,"no level found in manifest",a)},u._handleTrackOrLevelPlaylist=function(e,t,r,i){var s=this.hls,d=r.id,u=r.level,f=r.type,h=n.getResponseUrl(e,r),c=Object(o.a)(d)?d:0,v=Object(o.a)(u)?u:c,p=n.mapContextToLevelType(r),g=O.parseLevelPlaylist(e.data,h,v,p,c);if(g.tload=t.tload,f===a.MANIFEST){var m={url:h,details:g};s.trigger(l.a.MANIFEST_LOADED,{levels:[m],audioTracks:[],url:h,stats:t,networkDetails:i})}if(t.tparsed=I.now(),g.needSidxRanges){var y=g.initSegment.url;this.load({url:y,isSidxRequest:!0,type:f,level:u,levelDetails:g,id:d,rangeStart:0,rangeEnd:2048,responseType:"arraybuffer"})}else r.levelDetails=g,this._handlePlaylistLoaded(e,t,r,i)},u._handleSidxRequest=function(e,t){if("string"==typeof e.data)throw new Error("sidx request must be made with responseType of array buffer");var r=h.a.parseSegmentIndex(new Uint8Array(e.data));if(r){var a=r.references,i=t.levelDetails;a.forEach((function(e,t){var r=e.info;if(i){var a=i.fragments[t];0===a.byteRange.length&&a.setByteRange(String(1+r.end-r.start)+"@"+String(r.start))}})),i&&i.initSegment.setByteRange(String(r.moovEndOffset)+"@0")}},u._handleManifestParsingError=function(e,t,r,a){this.hls.trigger(l.a.ERROR,{type:s.b.NETWORK_ERROR,details:s.a.MANIFEST_PARSING_ERROR,fatal:!0,url:e.url,reason:r,networkDetails:a})},u._handleNetworkError=function(e,t,r,i){var n,o;void 0===r&&(r=!1),void 0===i&&(i=null),d.b.info("A network error occured while loading a "+e.type+"-type playlist");var u=this.getInternalLoader(e);switch(e.type){case a.MANIFEST:n=r?s.a.MANIFEST_LOAD_TIMEOUT:s.a.MANIFEST_LOAD_ERROR,o=!0;break;case a.LEVEL:n=r?s.a.LEVEL_LOAD_TIMEOUT:s.a.LEVEL_LOAD_ERROR,o=!1;break;case a.AUDIO_TRACK:n=r?s.a.AUDIO_TRACK_LOAD_TIMEOUT:s.a.AUDIO_TRACK_LOAD_ERROR,o=!1;break;default:o=!1}u&&(u.abort(),this.resetInternalLoader(e.type));var f={type:s.b.NETWORK_ERROR,details:n,fatal:o,url:e.url,loader:u,context:e,networkDetails:t};i&&(f.response=i),this.hls.trigger(l.a.ERROR,f)},u._handlePlaylistLoaded=function(e,t,r,i){var s=r.type,o=r.level,d=r.id,u=r.levelDetails;if(u&&u.targetduration)if(n.canHaveQualityLevels(r.type))this.hls.trigger(l.a.LEVEL_LOADED,{details:u,level:o||0,id:d||0,stats:t,networkDetails:i});else switch(s){case a.AUDIO_TRACK:this.hls.trigger(l.a.AUDIO_TRACK_LOADED,{details:u,id:d,stats:t,networkDetails:i});break;case a.SUBTITLE_TRACK:this.hls.trigger(l.a.SUBTITLE_TRACK_LOADED,{details:u,id:d,stats:t,networkDetails:i})}else this._handleManifestParsingError(e,r,"invalid target duration",i)},n}(f);var P=function(e){var t,r;function a(t){var r;return(r=e.call(this,t,l.a.FRAG_LOADING)||this).loaders={},r}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var i=a.prototype;return i.destroy=function(){var t=this.loaders;for(var r in t){var a=t[r];a&&a.destroy()}this.loaders={},e.prototype.destroy.call(this)},i.onFragLoading=function(e){var t=e.frag,r=t.type,a=this.loaders,i=this.hls.config,n=i.fLoader,s=i.loader;t.loaded=0;var l,u,f,h=a[r];h&&(d.b.warn("abort previous fragment loader for type: "+r),h.abort()),h=a[r]=t.loader=i.fLoader?new n(i):new s(i),l={url:t.url,frag:t,responseType:"arraybuffer",progressData:!1};var c=t.byteRangeStartOffset,v=t.byteRangeEndOffset;Object(o.a)(c)&&Object(o.a)(v)&&(l.rangeStart=c,l.rangeEnd=v),u={timeout:i.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:i.fragLoadingMaxRetryTimeout},f={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this),onProgress:this.loadprogress.bind(this)},h.load(l,u,f)},i.loadsuccess=function(e,t,r,a){void 0===a&&(a=null);var i=e.data,n=r.frag;n.loader=void 0,this.loaders[n.type]=void 0,this.hls.trigger(l.a.FRAG_LOADED,{payload:i,frag:n,stats:t,networkDetails:a})},i.loaderror=function(e,t,r){void 0===r&&(r=null);var a=t.frag,i=a.loader;i&&i.abort(),this.loaders[a.type]=void 0,this.hls.trigger(l.a.ERROR,{type:s.b.NETWORK_ERROR,details:s.a.FRAG_LOAD_ERROR,fatal:!1,frag:t.frag,response:e,networkDetails:r})},i.loadtimeout=function(e,t,r){void 0===r&&(r=null);var a=t.frag,i=a.loader;i&&i.abort(),this.loaders[a.type]=void 0,this.hls.trigger(l.a.ERROR,{type:s.b.NETWORK_ERROR,details:s.a.FRAG_LOAD_TIMEOUT,fatal:!1,frag:t.frag,networkDetails:r})},i.loadprogress=function(e,t,r,a){void 0===a&&(a=null);var i=t.frag;i.loaded=e.loaded,this.hls.trigger(l.a.FRAG_LOAD_PROGRESS,{frag:i,stats:e,networkDetails:a})},a}(f);var F=function(e){var t,r;function a(t){var r;return(r=e.call(this,t,l.a.KEY_LOADING)||this).loaders={},r.decryptkey=null,r.decrypturl=null,r}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var i=a.prototype;return i.destroy=function(){for(var t in this.loaders){var r=this.loaders[t];r&&r.destroy()}this.loaders={},e.prototype.destroy.call(this)},i.onKeyLoading=function(e){var t=e.frag,r=t.type,a=this.loaders[r];if(t.decryptdata){var i=t.decryptdata.uri;if(i!==this.decrypturl||null===this.decryptkey){var n=this.hls.config;if(a&&(d.b.warn("abort previous key loader for type:"+r),a.abort()),!i)return void d.b.warn("key uri is falsy");t.loader=this.loaders[r]=new n.loader(n),this.decrypturl=i,this.decryptkey=null;var s={url:i,frag:t,responseType:"arraybuffer"},o={timeout:n.fragLoadingTimeOut,maxRetry:0,retryDelay:n.fragLoadingRetryDelay,maxRetryDelay:n.fragLoadingMaxRetryTimeout},u={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};t.loader.load(s,o,u)}else this.decryptkey&&(t.decryptdata.key=this.decryptkey,this.hls.trigger(l.a.KEY_LOADED,{frag:t}))}else d.b.warn("Missing decryption data on fragment in onKeyLoading")},i.loadsuccess=function(e,t,r){var a=r.frag;a.decryptdata?(this.decryptkey=a.decryptdata.key=new Uint8Array(e.data),a.loader=void 0,delete this.loaders[a.type],this.hls.trigger(l.a.KEY_LOADED,{frag:a})):d.b.error("after key load, decryptdata unset")},i.loaderror=function(e,t){var r=t.frag,a=r.loader;a&&a.abort(),delete this.loaders[r.type],this.hls.trigger(l.a.ERROR,{type:s.b.NETWORK_ERROR,details:s.a.KEY_LOAD_ERROR,fatal:!1,frag:r,response:e})},i.loadtimeout=function(e,t){var r=t.frag,a=r.loader;a&&a.abort(),delete this.loaders[r.type],this.hls.trigger(l.a.ERROR,{type:s.b.NETWORK_ERROR,details:s.a.KEY_LOAD_TIMEOUT,fatal:!1,frag:r})},a}(f);var M="NOT_LOADED",U="APPENDING",B="PARTIAL",N="OK",G=function(e){var t,r;function a(t){var r;return(r=e.call(this,t,l.a.BUFFER_APPENDED,l.a.FRAG_BUFFERED,l.a.FRAG_LOADED)||this).bufferPadding=.2,r.fragments=Object.create(null),r.timeRanges=Object.create(null),r.config=t.config,r}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var i=a.prototype;return i.destroy=function(){this.fragments=Object.create(null),this.timeRanges=Object.create(null),this.config=null,f.prototype.destroy.call(this),e.prototype.destroy.call(this)},i.getBufferedFrag=function(e,t){var r=this.fragments,a=Object.keys(r).filter((function(a){var i=r[a];if(i.body.type!==t)return!1;if(!i.buffered)return!1;var n=i.body;return n.startPTS<=e&&e<=n.endPTS}));if(0===a.length)return null;var i=a.pop();return r[i].body},i.detectEvictedFragments=function(e,t){var r,a,i=this;Object.keys(this.fragments).forEach((function(n){var s=i.fragments[n];if(!0===s.buffered){var o=s.range[e];if(o){r=o.time;for(var l=0;l<r.length;l++)if(a=r[l],!1===i.isTimeBuffered(a.startPTS,a.endPTS,t)){i.removeFragment(s.body);break}}}}))},i.detectPartialFragments=function(e){var t=this,r=this.getFragmentKey(e),a=this.fragments[r];a&&(a.buffered=!0,Object.keys(this.timeRanges).forEach((function(r){if(e.hasElementaryStream(r)){var i=t.timeRanges[r];a.range[r]=t.getBufferedTimes(e.startPTS,e.endPTS,i)}})))},i.getBufferedTimes=function(e,t,r){for(var a,i,n=[],s=!1,o=0;o<r.length;o++){if(a=r.start(o)-this.bufferPadding,i=r.end(o)+this.bufferPadding,e>=a&&t<=i){n.push({startPTS:Math.max(e,r.start(o)),endPTS:Math.min(t,r.end(o))});break}if(e<i&&t>a)n.push({startPTS:Math.max(e,r.start(o)),endPTS:Math.min(t,r.end(o))}),s=!0;else if(t<=a)break}return{time:n,partial:s}},i.getFragmentKey=function(e){return e.type+"_"+e.level+"_"+e.urlId+"_"+e.sn},i.getPartialFragment=function(e){var t,r,a,i=this,n=null,s=0;return Object.keys(this.fragments).forEach((function(o){var l=i.fragments[o];i.isPartial(l)&&(r=l.body.startPTS-i.bufferPadding,a=l.body.endPTS+i.bufferPadding,e>=r&&e<=a&&(t=Math.min(e-r,a-e),s<=t&&(n=l.body,s=t)))})),n},i.getState=function(e){var t=this.getFragmentKey(e),r=this.fragments[t],a=M;return void 0!==r&&(a=r.buffered?!0===this.isPartial(r)?B:N:U),a},i.isPartial=function(e){return!0===e.buffered&&(void 0!==e.range.video&&!0===e.range.video.partial||void 0!==e.range.audio&&!0===e.range.audio.partial)},i.isTimeBuffered=function(e,t,r){for(var a,i,n=0;n<r.length;n++){if(a=r.start(n)-this.bufferPadding,i=r.end(n)+this.bufferPadding,e>=a&&t<=i)return!0;if(t<=a)return!1}return!1},i.onFragLoaded=function(e){var t=e.frag;Object(o.a)(t.sn)&&!t.bitrateTest&&(this.fragments[this.getFragmentKey(t)]={body:t,range:Object.create(null),buffered:!1})},i.onBufferAppended=function(e){var t=this;this.timeRanges=e.timeRanges,Object.keys(this.timeRanges).forEach((function(e){var r=t.timeRanges[e];t.detectEvictedFragments(e,r)}))},i.onFragBuffered=function(e){this.detectPartialFragments(e.frag)},i.hasFragment=function(e){var t=this.getFragmentKey(e);return void 0!==this.fragments[t]},i.removeFragment=function(e){var t=this.getFragmentKey(e);delete this.fragments[t]},i.removeAllFragments=function(){this.fragments=Object.create(null)},a}(f),j={search:function(e,t){for(var r=0,a=e.length-1,i=null,n=null;r<=a;){var s=t(n=e[i=(r+a)/2|0]);if(s>0)r=i+1;else{if(!(s<0))return n;a=i-1}}return null}},K=function(){function e(){}return e.isBuffered=function(e,t){try{if(e)for(var r=e.buffered,a=0;a<r.length;a++)if(t>=r.start(a)&&t<=r.end(a))return!0}catch(e){}return!1},e.bufferInfo=function(e,t,r){try{if(e){var a,i=e.buffered,n=[];for(a=0;a<i.length;a++)n.push({start:i.start(a),end:i.end(a)});return this.bufferedInfo(n,t,r)}}catch(e){}return{len:0,start:t,end:t,nextStart:void 0}},e.bufferedInfo=function(e,t,r){e.sort((function(e,t){var r=e.start-t.start;return r||t.end-e.end}));var a=[];if(r)for(var i=0;i<e.length;i++){var n=a.length;if(n){var s=a[n-1].end;e[i].start-s<r?e[i].end>s&&(a[n-1].end=e[i].end):a.push(e[i])}else a.push(e[i])}else a=e;for(var o,l=0,d=t,u=t,f=0;f<a.length;f++){var h=a[f].start,c=a[f].end;if(t+r>=h&&t<c)d=h,l=(u=c)-t;else if(t+r<h){o=h;break}}return{len:l,start:d,end:u,nextStart:o}},e.getBufferedPosWithinTolerance=function(t,r,a){var i=t?t.currentTime:void 0;if(e.isBuffered(t,i))return r;for(var n=t.buffered,s=0;s<n.length;s++){var o=n.start(s);if(o>i&&o<i+a)return Math.ceil(10*o)/10}return r},e}(),H=r(8),V=r(11),W=r(9);function Y(){return window.MediaSource||window.WebKitMediaSource}var z=r(5);var X=function(e){var t,r;function a(){return e.apply(this,arguments)||this}return r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r,a.prototype.trigger=function(e){for(var t=arguments.length,r=new Array(t>1?t-1:0),a=1;a<t;a++)r[a-1]=arguments[a];this.emit.apply(this,[e,e].concat(r))},a}(H.EventEmitter),q=Object(z.a)(),Q=Y()||{isTypeSupported:function(){return!1}},Z=function(){function e(e,t){var r=this;this.hls=e,this.id=t;var a=this.observer=new X,i=e.config,n=function(t,a){(a=a||{}).frag=r.frag,a.id=r.id,e.trigger(t,a)};a.on(l.a.FRAG_DECRYPTED,n),a.on(l.a.FRAG_PARSING_INIT_SEGMENT,n),a.on(l.a.FRAG_PARSING_DATA,n),a.on(l.a.FRAG_PARSED,n),a.on(l.a.ERROR,n),a.on(l.a.FRAG_PARSING_METADATA,n),a.on(l.a.FRAG_PARSING_USERDATA,n),a.on(l.a.INIT_PTS_FOUND,n);var o={mp4:Q.isTypeSupported("video/mp4"),mpeg:Q.isTypeSupported("audio/mpeg"),mp3:Q.isTypeSupported('audio/mp4; codecs="mp3"')},u=navigator.vendor;if(i.enableWorker&&"undefined"!=typeof Worker){var f;d.b.log("demuxing in webworker");try{f=this.w=V(12),this.onwmsg=this.onWorkerMessage.bind(this),f.addEventListener("message",this.onwmsg),f.onerror=function(t){e.trigger(l.a.ERROR,{type:s.b.OTHER_ERROR,details:s.a.INTERNAL_EXCEPTION,fatal:!0,event:"demuxerWorker",err:{message:t.message+" ("+t.filename+":"+t.lineno+")"}})},f.postMessage({cmd:"init",typeSupported:o,vendor:u,id:t,config:JSON.stringify(i)})}catch(e){d.b.warn("Error in worker:",e),d.b.error("Error while initializing DemuxerWorker, fallback on DemuxerInline"),f&&q.URL.revokeObjectURL(f.objectURL),this.demuxer=new W.a(a,o,i,u),this.w=void 0}}else this.demuxer=new W.a(a,o,i,u)}var t=e.prototype;return t.destroy=function(){var e=this.w;if(e)e.removeEventListener("message",this.onwmsg),e.terminate(),this.w=null;else{var t=this.demuxer;t&&(t.destroy(),this.demuxer=null)}var r=this.observer;r&&(r.removeAllListeners(),this.observer=null)},t.push=function(e,t,r,a,i,n,s,l){var u=this.w,f=Object(o.a)(i.startPTS)?i.startPTS:i.start,h=i.decryptdata,c=this.frag,v=!(c&&i.cc===c.cc),p=!(c&&i.level===c.level),g=c&&i.sn===c.sn+1,m=!p&&g;if(v&&d.b.log(this.id+":discontinuity detected"),p&&d.b.log(this.id+":switch detected"),this.frag=i,u)u.postMessage({cmd:"demux",data:e,decryptdata:h,initSegment:t,audioCodec:r,videoCodec:a,timeOffset:f,discontinuity:v,trackSwitch:p,contiguous:m,duration:n,accurateTimeOffset:s,defaultInitPTS:l},e instanceof ArrayBuffer?[e]:[]);else{var y=this.demuxer;y&&y.push(e,h,t,r,a,f,v,p,m,n,s,l)}},t.onWorkerMessage=function(e){var t=e.data,r=this.hls;switch(t.event){case"init":q.URL.revokeObjectURL(this.w.objectURL);break;case l.a.FRAG_PARSING_DATA:t.data.data1=new Uint8Array(t.data1),t.data2&&(t.data.data2=new Uint8Array(t.data2));default:t.data=t.data||{},t.data.frag=this.frag,t.data.id=this.id,r.trigger(t.event,t.data)}},e}();function J(e,t,r){switch(t){case"audio":e.audioGroupIds||(e.audioGroupIds=[]),e.audioGroupIds.push(r);break;case"text":e.textGroupIds||(e.textGroupIds=[]),e.textGroupIds.push(r)}}function $(e,t,r){var a=e[t],i=e[r],n=i.startPTS;Object(o.a)(n)?r>t?(a.duration=n-a.start,a.duration<0&&d.b.warn("negative duration computed for frag "+a.sn+",level "+a.level+", there should be some duration drift between playlist and fragment!")):(i.duration=a.start-n,i.duration<0&&d.b.warn("negative duration computed for frag "+i.sn+",level "+i.level+", there should be some duration drift between playlist and fragment!")):i.start=r>t?a.start+a.duration:Math.max(a.start-i.duration,0)}function ee(e,t,r,a,i,n){var s=r;if(Object(o.a)(t.startPTS)){var l=Math.abs(t.startPTS-r);Object(o.a)(t.deltaPTS)?t.deltaPTS=Math.max(l,t.deltaPTS):t.deltaPTS=l,s=Math.max(r,t.startPTS),r=Math.min(r,t.startPTS),a=Math.max(a,t.endPTS),i=Math.min(i,t.startDTS),n=Math.max(n,t.endDTS)}var d=r-t.start;t.start=t.startPTS=r,t.maxStartPTS=s,t.endPTS=a,t.startDTS=i,t.endDTS=n,t.duration=a-r;var u,f,h,c=t.sn;if(!e||c<e.startSN||c>e.endSN)return 0;for(u=c-e.startSN,(f=e.fragments)[u]=t,h=u;h>0;h--)$(f,h,h-1);for(h=u;h<f.length-1;h++)$(f,h,h+1);return e.PTSKnown=!0,d}function te(e,t,r){if(e&&t)for(var a=Math.max(e.startSN,t.startSN)-t.startSN,i=Math.min(e.endSN,t.endSN)-t.startSN,n=t.startSN-e.startSN,s=a;s<=i;s++){var o=e.fragments[n+s],l=t.fragments[s];if(!o||!l)break;r(o,l,s)}}var re={toString:function(e){for(var t="",r=e.length,a=0;a<r;a++)t+="["+e.start(a).toFixed(3)+","+e.end(a).toFixed(3)+"]";return t}};function ae(e,t){t.fragments.forEach((function(t){if(t){var r=t.start+e;t.start=t.startPTS=r,t.endPTS=r+t.duration}})),t.PTSKnown=!0}function ie(e,t,r){!function(e,t,r){if(function(e,t,r){var a=!1;return t&&t.details&&r&&(r.endCC>r.startCC||e&&e.cc<r.startCC)&&(a=!0),a}(e,r,t)){var a=function(e,t){var r=e.fragments,a=t.fragments;if(a.length&&r.length){var i=function(e,t){for(var r=null,a=0;a<e.length;a+=1){var i=e[a];if(i&&i.cc===t){r=i;break}}return r}(r,a[0].cc);if(i&&(!i||i.startPTS))return i;d.b.log("No frag in previous level to align on")}else d.b.log("No fragments to align")}(r.details,t);a&&(d.b.log("Adjusting PTS using last level due to CC increase within current level"),ae(a.start,t))}}(e,r,t),!r.PTSKnown&&t&&function(e,t){if(t&&t.fragments.length){if(!e.hasProgramDateTime||!t.hasProgramDateTime)return;var r=t.fragments[0].programDateTime,a=(e.fragments[0].programDateTime-r)/1e3+t.fragments[0].start;Object(o.a)(a)&&(d.b.log("adjusting PTS using programDateTime delta, sliding:"+a.toFixed(3)),ae(a,e))}}(r,t.details)}function ne(e,t,r){void 0===e&&(e=0),void 0===t&&(t=0);var a=Math.min(t,r.duration+(r.deltaPTS?r.deltaPTS:0));return r.start+r.duration-a<=e?1:r.start-a>e&&r.start?-1:0}function se(e,t,r){var a=1e3*Math.min(t,r.duration+(r.deltaPTS?r.deltaPTS:0));return(r.endProgramDateTime||0)-a>e}var oe=function(){function e(e,t,r,a){this.config=e,this.media=t,this.fragmentTracker=r,this.hls=a,this.nudgeRetry=0,this.stallReported=!1,this.stalled=null,this.moved=!1,this.seeking=!1}var t=e.prototype;return t.poll=function(e){var t=this.config,r=this.media,a=this.stalled,i=r.currentTime,n=r.seeking,s=this.seeking&&!n,o=!this.seeking&&n;if(this.seeking=n,i===e){if((o||s)&&(this.stalled=null),this.config.seekWithinTolerance&&(n||s)&&this.seekWithinToleranceIfNeeded(),!r.paused&&!r.ended&&0!==r.playbackRate&&r.buffered.length){var l=K.bufferInfo(r,i,0),u=l.len>0,f=l.nextStart||0;if(u||f){if(n){if(l.len>2||(!f||f-i>2))return;this.moved=!1}if(!this.moved&&this.stalled){var h=Math.max(f,l.start||0)-i;if(h>0&&h<=2)return void this._trySkipBufferHole(null)}var c=self.performance.now();if(null!==a){var v=c-a;!n&&v>=250&&this._reportStall(l.len);var p=K.bufferInfo(r,i,t.maxBufferHole);this._tryFixBufferStall(p,v)}else this.stalled=c}}}else if(this.moved=!0,null!==a){if(this.stallReported){var g=self.performance.now()-a;d.b.warn("playback not stuck anymore @"+i+", after "+Math.round(g)+"ms"),this.stallReported=!1}this.stalled=null,this.nudgeRetry=0}},t.seekWithinToleranceIfNeeded=function(){var e=this.media,t=e?e.currentTime:void 0,r=this.config.maxFragLookUpTolerance,a=K.getBufferedPosWithinTolerance(e,t,r);return t!==a&&(d.b.log("seeking to position within maxFragLookUpTolerance - "+a),e.currentTime=a,!0)},t._tryFixBufferStall=function(e,t){var r=this.config,a=this.fragmentTracker,i=this.media.currentTime,n=a.getPartialFragment(i);if(n&&this._trySkipBufferHole(n))return;e.len>r.maxBufferHole&&t>1e3*r.highBufferWatchdogPeriod&&(d.b.warn("Trying to nudge playhead over buffer-hole"),this.stalled=null,this._tryNudgeBuffer())},t._reportStall=function(e){var t=this.hls,r=this.media;this.stallReported||(this.stallReported=!0,d.b.warn("Playback stalling at @"+r.currentTime+" due to low buffer"),t.trigger(l.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_STALLED_ERROR,fatal:!1,buffer:e}))},t._trySkipBufferHole=function(e){for(var t=this.config,r=this.hls,a=this.media,i=a.currentTime,n=0,o=0;o<a.buffered.length;o++){var u=a.buffered.start(o);if(i+t.maxBufferHole>=n&&i<u){var f=Math.max(u+.05,a.currentTime+.1);return d.b.warn("skipping hole, adjusting currentTime from "+i+" to "+f),this.moved=!0,this.stalled=null,a.currentTime=f,e&&r.trigger(l.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_SEEK_OVER_HOLE,fatal:!1,reason:"fragment loaded with buffer holes, seeking from "+i+" to "+f,frag:e}),f}n=a.buffered.end(o)}return 0},t._tryNudgeBuffer=function(){var e=this.config,t=this.hls,r=this.media,a=r.currentTime,i=(this.nudgeRetry||0)+1;if(this.nudgeRetry=i,i<e.nudgeMaxRetry){var n=a+i*e.nudgeOffset;d.b.warn("Nudging 'currentTime' from "+a+" to "+n),r.currentTime=n,t.trigger(l.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_NUDGE_ON_STALL,fatal:!1})}else d.b.error("Playhead still not moving while enough data buffered @"+a+" after "+e.nudgeMaxRetry+" nudges"),t.trigger(l.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_STALLED_ERROR,fatal:!0})},e}();function le(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}var de="STOPPED",ue="IDLE",fe="KEY_LOADING",he="FRAG_LOADING",ce="FRAG_LOADING_WAITING_RETRY",ve="PARSING",pe="PARSED",ge="BUFFER_FLUSHING",me="ENDED",ye="ERROR",be="WAITING_LEVEL";function Ee(e,t){for(var r=0;r<t.length;r++){var a=t[r];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(e,a.key,a)}}var Te=function(e){var t,r;function a(t,r){var a;return(a=e.call(this,t,l.a.MEDIA_ATTACHED,l.a.MEDIA_DETACHING,l.a.MANIFEST_LOADING,l.a.MANIFEST_PARSED,l.a.LEVEL_LOADED,l.a.KEY_LOADED,l.a.FRAG_LOADED,l.a.FRAG_LOAD_EMERGENCY_ABORTED,l.a.FRAG_PARSING_INIT_SEGMENT,l.a.FRAG_PARSING_DATA,l.a.FRAG_PARSED,l.a.ERROR,l.a.AUDIO_TRACK_SWITCHING,l.a.AUDIO_TRACK_SWITCHED,l.a.BUFFER_CREATED,l.a.BUFFER_APPENDED,l.a.BUFFER_FLUSHED)||this).fragmentTracker=r,a.config=t.config,a.audioCodecSwap=!1,a._state=de,a.stallReported=!1,a.gapController=null,a.altAudio=!1,a}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var n,u,f,h=a.prototype;return h.startLoad=function(e){if(this.levels){var t=this.lastCurrentTime,r=this.hls;if(this.stopLoad(),this.setInterval(100),this.level=-1,this.fragLoadError=0,!this.startFragRequested){var a=r.startLevel;-1===a&&(a=0,this.bitrateTest=!0),this.level=r.nextLoadLevel=a,this.loadedmetadata=!1}t>0&&-1===e&&(d.b.log("override startPosition with lastCurrentTime @"+t.toFixed(3)),e=t),this.state=ue,this.nextLoadPosition=this.startPosition=this.lastCurrentTime=e,this.tick()}else this.forceStartLoad=!0,this.state=de},h.stopLoad=function(){this.forceStartLoad=!1,e.prototype.stopLoad.call(this)},h.doTick=function(){switch(this.state){case ge:this.fragLoadError=0;break;case ue:this._doTickIdle();break;case be:var e=this.levels[this.level];e&&e.details&&(this.state=ue);break;case ce:var t=window.performance.now(),r=this.retryDate;(!r||t>=r||this.media&&this.media.seeking)&&(d.b.log("mediaController: retryDate reached, switch back to IDLE state"),this.state=ue)}this._checkBuffer(),this._checkFragmentChanged()},h._doTickIdle=function(){var e=this.hls,t=e.config,r=this.media;if(void 0!==this.levelLastLoaded&&(r||!this.startFragRequested&&t.startFragPrefetch)){var a;a=this.loadedmetadata?r.currentTime:this.nextLoadPosition;var i=e.nextLoadLevel,n=this.levels[i];if(n){var s,o=n.bitrate;s=o?Math.max(8*t.maxBufferSize/o,t.maxBufferLength):t.maxBufferLength,s=Math.min(s,t.maxMaxBufferLength);var u=K.bufferInfo(this.mediaBuffer?this.mediaBuffer:r,a,t.maxBufferHole),f=u.len;if(!(f>=s)){d.b.trace("buffer length of "+f.toFixed(3)+" is below max of "+s.toFixed(3)+". checking for more payload ..."),this.level=e.nextLoadLevel=i;var h=n.details;if(!h||h.live&&this.levelLastLoaded!==i)this.state=be;else{if(this._streamEnded(u,h)){var c={};return this.altAudio&&(c.type="video"),this.hls.trigger(l.a.BUFFER_EOS,c),void(this.state=me)}this._fetchPayloadOrEos(a,u,h)}}}}},h._fetchPayloadOrEos=function(e,t,r){var a=this.fragPrevious,i=this.level,n=r.fragments,s=n.length;if(0!==s){var o,l=n[0].start,u=n[s-1].start+n[s-1].duration,f=t.end;if(r.initSegment&&!r.initSegment.data)o=r.initSegment;else if(r.live){var h=this.config.initialLiveManifestSize;if(s<h)return void d.b.warn("Can not start playback of a level, reason: not enough fragments "+s+" < "+h);if(null===(o=this._ensureFragmentAtLivePoint(r,f,l,u,a,n,s)))return}else f<l&&(o=n[0]);o||(o=this._findFragment(l,a,s,n,f,u,r)),o&&(o.encrypted?(d.b.log("Loading key for "+o.sn+" of ["+r.startSN+" ,"+r.endSN+"],level "+i),this._loadKey(o)):(d.b.log("Loading "+o.sn+" of ["+r.startSN+" ,"+r.endSN+"],level "+i+", currentTime:"+e.toFixed(3)+",bufferEnd:"+f.toFixed(3)),this._loadFragment(o)))}},h._ensureFragmentAtLivePoint=function(e,t,r,a,i,n,s){var l,u=this.hls.config,f=this.media,h=void 0!==u.liveMaxLatencyDuration?u.liveMaxLatencyDuration:u.liveMaxLatencyDurationCount*e.targetduration;if(t<Math.max(r-u.maxFragLookUpTolerance,a-h)){var c=this.liveSyncPosition=this.computeLivePosition(r,e);t=c,f&&!f.paused&&f.readyState&&f.duration>c&&c>f.currentTime&&(d.b.log("buffer end: "+t.toFixed(3)+" is located too far from the end of live sliding playlist, reset currentTime to : "+c.toFixed(3)),f.currentTime=c),this.nextLoadPosition=c}if(e.PTSKnown&&t>a&&f&&f.readyState)return null;if(this.startFragRequested&&!e.PTSKnown){if(i)if(e.hasProgramDateTime)d.b.log("live playlist, switching playlist, load frag with same PDT: "+i.programDateTime),l=function(e,t,r){if(null===t||!Array.isArray(e)||!e.length||!Object(o.a)(t))return null;if(t<(e[0].programDateTime||0))return null;if(t>=(e[e.length-1].endProgramDateTime||0))return null;r=r||0;for(var a=0;a<e.length;++a){var i=e[a];if(se(t,r,i))return i}return null}(n,i.endProgramDateTime,u.maxFragLookUpTolerance);else{var v=i.sn+1;if(v>=e.startSN&&v<=e.endSN){var p=n[v-e.startSN];i.cc===p.cc&&(l=p,d.b.log("live playlist, switching playlist, load frag with next SN: "+l.sn))}l||(l=j.search(n,(function(e){return i.cc-e.cc})))&&d.b.log("live playlist, switching playlist, load frag with same CC: "+l.sn)}l||(l=n[Math.min(s-1,Math.round(s/2))],d.b.log("live playlist, switching playlist, unknown, load middle frag : "+l.sn))}return l},h._findFragment=function(e,t,r,a,i,n,s){var o,l=this.hls.config;i<n?o=function(e,t,r,a){void 0===r&&(r=0),void 0===a&&(a=0);var i=e?t[e.sn-t[0].sn+1]:null;return i&&!ne(r,a,i)?i:j.search(t,ne.bind(null,r,a))}(t,a,i,i>n-l.maxFragLookUpTolerance?0:l.maxFragLookUpTolerance):o=a[r-1];if(o){var u=o.sn-s.startSN,f=t&&o.level===t.level,h=a[u-1],c=a[u+1];if(t&&o.sn===t.sn)if(f&&!o.backtracked)if(o.sn<s.endSN){var v=t.deltaPTS;v&&v>l.maxBufferHole&&t.dropped&&u?(o=h,d.b.warn("Previous fragment was dropped with large PTS gap between audio and video. Maybe fragment is not starting with a keyframe? Loading previous one to try to overcome this")):(o=c,d.b.log("Re-loading fragment with SN: "+o.sn))}else o=null;else o.backtracked&&(c&&c.backtracked?(d.b.warn("Already backtracked from fragment "+c.sn+", will not backtrack to fragment "+o.sn+". Loading fragment "+c.sn),o=c):(d.b.warn("Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe"),o.dropped=0,h?(o=h).backtracked=!0:u&&(o=null)))}return o},h._loadKey=function(e){this.state=fe,this.hls.trigger(l.a.KEY_LOADING,{frag:e})},h._loadFragment=function(e){var t=this.fragmentTracker.getState(e);this.fragCurrent=e,"initSegment"!==e.sn&&(this.startFragRequested=!0),Object(o.a)(e.sn)&&!e.bitrateTest&&(this.nextLoadPosition=e.start+e.duration),e.backtracked||t===M||t===B?(e.autoLevel=this.hls.autoLevelEnabled,e.bitrateTest=this.bitrateTest,this.hls.trigger(l.a.FRAG_LOADING,{frag:e}),this.demuxer||(this.demuxer=new Z(this.hls,"main")),this.state=he):t===U&&this._reduceMaxBufferLength(e.duration)&&this.fragmentTracker.removeFragment(e)},h.getBufferedFrag=function(e){return this.fragmentTracker.getBufferedFrag(e,i.MAIN)},h.followingBufferedFrag=function(e){return e?this.getBufferedFrag(e.endPTS+.5):null},h._checkFragmentChanged=function(){var e,t,r=this.media;if(r&&r.readyState&&!1===r.seeking&&((t=r.currentTime)>this.lastCurrentTime&&(this.lastCurrentTime=t),K.isBuffered(r,t)?e=this.getBufferedFrag(t):K.isBuffered(r,t+.1)&&(e=this.getBufferedFrag(t+.1)),e)){var a=e;if(a!==this.fragPlaying){this.hls.trigger(l.a.FRAG_CHANGED,{frag:a});var i=a.level;this.fragPlaying&&this.fragPlaying.level===i||this.hls.trigger(l.a.LEVEL_SWITCHED,{level:i}),this.fragPlaying=a}}},h.immediateLevelSwitch=function(){if(d.b.log("immediateLevelSwitch"),!this.immediateSwitch){this.immediateSwitch=!0;var e,t=this.media;t?(e=t.paused,t.pause()):e=!0,this.previouslyPaused=e}var r=this.fragCurrent;r&&r.loader&&r.loader.abort(),this.fragCurrent=null,this.flushMainBuffer(0,Number.POSITIVE_INFINITY)},h.immediateLevelSwitchEnd=function(){var e=this.media;e&&e.buffered.length&&(this.immediateSwitch=!1,K.isBuffered(e,e.currentTime)&&(e.currentTime-=1e-4),this.previouslyPaused||e.play())},h.nextLevelSwitch=function(){var e=this.media;if(e&&e.readyState){var t,r,a;if((r=this.getBufferedFrag(e.currentTime))&&r.startPTS>1&&this.flushMainBuffer(0,r.startPTS-1),e.paused)t=0;else{var i=this.hls.nextLoadLevel,n=this.levels[i],s=this.fragLastKbps;t=s&&this.fragCurrent?this.fragCurrent.duration*n.bitrate/(1e3*s)+1:0}if((a=this.getBufferedFrag(e.currentTime+t))&&(a=this.followingBufferedFrag(a))){var o=this.fragCurrent;o&&o.loader&&o.loader.abort(),this.fragCurrent=null,this.flushMainBuffer(a.maxStartPTS,Number.POSITIVE_INFINITY)}}},h.flushMainBuffer=function(e,t){this.state=ge;var r={startOffset:e,endOffset:t};this.altAudio&&(r.type="video"),this.hls.trigger(l.a.BUFFER_FLUSHING,r)},h.onMediaAttached=function(e){var t=this.media=this.mediaBuffer=e.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvseeked=this.onMediaSeeked.bind(this),this.onvended=this.onMediaEnded.bind(this),t.addEventListener("seeking",this.onvseeking),t.addEventListener("seeked",this.onvseeked),t.addEventListener("ended",this.onvended);var r=this.config;this.levels&&r.autoStartLoad&&this.hls.startLoad(r.startPosition),this.gapController=new oe(r,t,this.fragmentTracker,this.hls)},h.onMediaDetaching=function(){var e=this.media;e&&e.ended&&(d.b.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0);var t=this.levels;t&&t.forEach((function(e){e.details&&e.details.fragments.forEach((function(e){e.backtracked=void 0}))})),e&&(e.removeEventListener("seeking",this.onvseeking),e.removeEventListener("seeked",this.onvseeked),e.removeEventListener("ended",this.onvended),this.onvseeking=this.onvseeked=this.onvended=null),this.fragmentTracker.removeAllFragments(),this.media=this.mediaBuffer=null,this.loadedmetadata=!1,this.stopLoad()},h.onMediaSeeked=function(){var e=this.media,t=e?e.currentTime:void 0;this.config.seekWithinTolerance&&this.gapController.seekWithinToleranceIfNeeded()||this.hls.trigger(l.a.CAN_PLAY_AFTER_SEEK),Object(o.a)(t)&&d.b.log("media seeked to "+t.toFixed(3)),this.tick()},h.onManifestLoading=function(){d.b.log("trigger BUFFER_RESET"),this.hls.trigger(l.a.BUFFER_RESET),this.fragmentTracker.removeAllFragments(),this.stalled=!1,this.startPosition=this.lastCurrentTime=0},h.onManifestParsed=function(e){var t,r=!1,a=!1;e.levels.forEach((function(e){(t=e.audioCodec)&&(-1!==t.indexOf("mp4a.40.2")&&(r=!0),-1!==t.indexOf("mp4a.40.5")&&(a=!0))})),this.audioCodecSwitch=r&&a,this.audioCodecSwitch&&d.b.log("both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC"),this.altAudio=e.altAudio,this.levels=e.levels,this.startFragRequested=!1;var i=this.config;(i.autoStartLoad||this.forceStartLoad)&&this.hls.startLoad(i.startPosition)},h.onLevelLoaded=function(e){var t=e.details,r=e.level,a=this.levels[this.levelLastLoaded],i=this.levels[r],n=t.totalduration,s=0;if(d.b.log("level "+r+" loaded ["+t.startSN+","+t.endSN+"],duration:"+n),t.live){var u=i.details;u&&t.fragments.length>0?(!function(e,t){t.initSegment&&e.initSegment&&(t.initSegment=e.initSegment);var r,a=0;if(te(e,t,(function(e,i){a=e.cc-i.cc,Object(o.a)(e.startPTS)&&(i.start=i.startPTS=e.startPTS,i.endPTS=e.endPTS,i.duration=e.duration,i.backtracked=e.backtracked,i.dropped=e.dropped,r=i),t.PTSKnown=!0})),t.PTSKnown){if(a){d.b.log("discontinuity sliding from playlist, take drift into account");for(var i=t.fragments,n=0;n<i.length;n++)i[n].cc+=a}r?ee(t,r,r.startPTS,r.endPTS,r.startDTS,r.endDTS):function(e,t){var r=t.startSN-e.startSN,a=e.fragments,i=t.fragments;if(r<0||r>a.length)return;for(var n=0;n<i.length;n++)i[n].start+=a[r].start}(e,t),t.PTSKnown=e.PTSKnown}}(u,t),s=t.fragments[0].start,this.liveSyncPosition=this.computeLivePosition(s,u),t.PTSKnown&&Object(o.a)(s)?d.b.log("live playlist sliding:"+s.toFixed(3)):(d.b.log("live playlist - outdated PTS, unknown sliding"),ie(this.fragPrevious,a,t))):(d.b.log("live playlist - first load, unknown sliding"),t.PTSKnown=!1,ie(this.fragPrevious,a,t))}else t.PTSKnown=!1;if(i.details=t,this.levelLastLoaded=r,this.hls.trigger(l.a.LEVEL_UPDATED,{details:t,level:r}),!1===this.startFragRequested){if(-1===this.startPosition||-1===this.lastCurrentTime){var f=t.startTimeOffset;Object(o.a)(f)?(f<0&&(d.b.log("negative start time offset "+f+", count from end of last fragment"),f=s+n+f),d.b.log("start time offset found in playlist, adjust startPosition to "+f),this.startPosition=f):t.live?(this.startPosition=this.computeLivePosition(s,t),d.b.log("configure startPosition to "+this.startPosition)):this.startPosition=0,this.lastCurrentTime=this.startPosition}this.nextLoadPosition=this.startPosition}this.state===be&&(this.state=ue),this.tick()},h.onKeyLoaded=function(){this.state===fe&&(this.state=ue,this.tick())},h.onFragLoaded=function(e){var t=this.fragCurrent,r=this.hls,a=this.levels,i=this.media,n=e.frag;if(this.state===he&&t&&"main"===n.type&&n.level===t.level&&n.sn===t.sn){var s=e.stats,o=a[t.level],u=o.details;if(this.bitrateTest=!1,this.stats=s,d.b.log("Loaded "+t.sn+" of ["+u.startSN+" ,"+u.endSN+"],level "+t.level),n.bitrateTest&&r.nextLoadLevel)this.state=ue,this.startFragRequested=!1,s.tparsed=s.tbuffered=window.performance.now(),r.trigger(l.a.FRAG_BUFFERED,{stats:s,frag:t,id:"main"}),this.tick();else if("initSegment"===n.sn)this.state=ue,s.tparsed=s.tbuffered=window.performance.now(),u.initSegment.data=e.payload,r.trigger(l.a.FRAG_BUFFERED,{stats:s,frag:t,id:"main"}),this.tick();else{d.b.log("Parsing "+t.sn+" of ["+u.startSN+" ,"+u.endSN+"],level "+t.level+", cc "+t.cc),this.state=ve,this.pendingBuffering=!0,this.appended=!1,n.bitrateTest&&(n.bitrateTest=!1,this.fragmentTracker.onFragLoaded({frag:n}));var f=!(i&&i.seeking)&&(u.PTSKnown||!u.live),h=u.initSegment?u.initSegment.data:[],c=this._getAudioCodec(o);(this.demuxer=this.demuxer||new Z(this.hls,"main")).push(e.payload,h,c,o.videoCodec,t,u.totalduration,f)}}this.fragLoadError=0},h.onFragParsingInitSegment=function(e){var t=this.fragCurrent,r=e.frag;if(t&&"main"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===ve){var a,i,n=e.tracks;if(n.audio&&this.altAudio&&delete n.audio,i=n.audio){var s=this.levels[this.level].audioCodec,o=navigator.userAgent.toLowerCase();s&&this.audioCodecSwap&&(d.b.log("swapping playlist audio codec"),s=-1!==s.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5"),this.audioCodecSwitch&&1!==i.metadata.channelCount&&-1===o.indexOf("firefox")&&(s="mp4a.40.5"),-1!==o.indexOf("android")&&"audio/mpeg"!==i.container&&(s="mp4a.40.2",d.b.log("Android: force audio codec to "+s)),i.levelCodec=s,i.id=e.id}for(a in(i=n.video)&&(i.levelCodec=this.levels[this.level].videoCodec,i.id=e.id),this.hls.trigger(l.a.BUFFER_CODECS,n),n){i=n[a],d.b.log("main track:"+a+",container:"+i.container+",codecs[level/parsed]=["+i.levelCodec+"/"+i.codec+"]");var u=i.initSegment;u&&(this.appended=!0,this.pendingBuffering=!0,this.hls.trigger(l.a.BUFFER_APPENDING,{type:a,data:u,parent:"main",content:"initSegment"}))}this.tick()}},h.onFragParsingData=function(e){var t=this,r=this.fragCurrent,a=e.frag;if(r&&"main"===e.id&&a.sn===r.sn&&a.level===r.level&&("audio"!==e.type||!this.altAudio)&&this.state===ve){var i=this.levels[this.level],n=r;if(Object(o.a)(e.endPTS)||(e.endPTS=e.startPTS+r.duration,e.endDTS=e.startDTS+r.duration),!0===e.hasAudio&&n.addElementaryStream(v.AUDIO),!0===e.hasVideo&&n.addElementaryStream(v.VIDEO),d.b.log("Parsed "+e.type+",PTS:["+e.startPTS.toFixed(3)+","+e.endPTS.toFixed(3)+"],DTS:["+e.startDTS.toFixed(3)+"/"+e.endDTS.toFixed(3)+"],nb:"+e.nb+",dropped:"+(e.dropped||0)),"video"===e.type)if(n.dropped=e.dropped,n.dropped)if(n.backtracked)d.b.warn("Already backtracked on this fragment, appending with the gap",n.sn);else{var s=i.details;if(!s||n.sn!==s.startSN)return d.b.warn("missing video frame(s), backtracking fragment",n.sn),this.fragmentTracker.removeFragment(n),n.backtracked=!0,this.nextLoadPosition=e.startPTS,this.state=ue,this.fragPrevious=n,void this.tick();d.b.warn("missing video frame(s) on first frag, appending with gap",n.sn)}else n.backtracked=!1;var u=ee(i.details,n,e.startPTS,e.endPTS,e.startDTS,e.endDTS),f=this.hls;f.trigger(l.a.LEVEL_PTS_UPDATED,{details:i.details,level:this.level,drift:u,type:e.type,start:e.startPTS,end:e.endPTS}),[e.data1,e.data2].forEach((function(r){r&&r.length&&t.state===ve&&(t.appended=!0,t.pendingBuffering=!0,f.trigger(l.a.BUFFER_APPENDING,{type:e.type,data:r,parent:"main",content:"data"}))})),this.tick()}},h.onFragParsed=function(e){var t=this.fragCurrent,r=e.frag;t&&"main"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===ve&&(this.stats.tparsed=window.performance.now(),this.state=pe,this._checkAppendedParsed())},h.onAudioTrackSwitching=function(e){var t=!!e.url,r=e.id;if(!t){if(this.mediaBuffer!==this.media){d.b.log("switching on main audio, use media.buffered to schedule main fragment loading"),this.mediaBuffer=this.media;var a=this.fragCurrent;a.loader&&(d.b.log("switching to main audio track, cancel main fragment load"),a.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.state=ue}var i=this.hls;i.trigger(l.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),i.trigger(l.a.AUDIO_TRACK_SWITCHED,{id:r}),this.altAudio=!1}},h.onAudioTrackSwitched=function(e){var t=e.id,r=!!this.hls.audioTracks[t].url;if(r){var a=this.videoBuffer;a&&this.mediaBuffer!==a&&(d.b.log("switching on alternate audio, use video.buffered to schedule main fragment loading"),this.mediaBuffer=a)}this.altAudio=r,this.tick()},h.onBufferCreated=function(e){var t,r,a=e.tracks,i=!1;for(var n in a){var s=a[n];"main"===s.id?(r=n,t=s,"video"===n&&(this.videoBuffer=a[n].buffer)):i=!0}i&&t?(d.b.log("alternate track found, use "+r+".buffered to schedule main fragment loading"),this.mediaBuffer=t.buffer):this.mediaBuffer=this.media},h.onBufferAppended=function(e){if("main"===e.parent){var t=this.state;t!==ve&&t!==pe||(this.pendingBuffering=e.pending>0,this._checkAppendedParsed())}},h._checkAppendedParsed=function(){if(!(this.state!==pe||this.appended&&this.pendingBuffering)){var e=this.fragCurrent;if(e){var t=this.mediaBuffer?this.mediaBuffer:this.media;d.b.log("main buffered : "+re.toString(t.buffered)),this.fragPrevious=e;var r=this.stats;r.tbuffered=window.performance.now(),this.fragLastKbps=Math.round(8*r.total/(r.tbuffered-r.tfirst)),this.hls.trigger(l.a.FRAG_BUFFERED,{stats:r,frag:e,id:"main"}),this.state=ue}this.tick()}},h.onError=function(e){var t=e.frag||this.fragCurrent;if(!t||"main"===t.type){var r=!!this.media&&K.isBuffered(this.media,this.media.currentTime)&&K.isBuffered(this.media,this.media.currentTime+.5);switch(e.details){case s.a.FRAG_LOAD_ERROR:case s.a.FRAG_LOAD_TIMEOUT:case s.a.KEY_LOAD_ERROR:case s.a.KEY_LOAD_TIMEOUT:if(!e.fatal)if(this.fragLoadError+1<=this.config.fragLoadingMaxRetry){var a=Math.min(Math.pow(2,this.fragLoadError)*this.config.fragLoadingRetryDelay,this.config.fragLoadingMaxRetryTimeout);d.b.warn("mediaController: frag loading failed, retry in "+a+" ms"),this.retryDate=window.performance.now()+a,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.fragLoadError++,this.state=ce}else d.b.error("mediaController: "+e.details+" reaches max retry, redispatch as fatal ..."),e.fatal=!0,this.state=ye;break;case s.a.LEVEL_LOAD_ERROR:case s.a.LEVEL_LOAD_TIMEOUT:this.state!==ye&&(e.fatal?(this.state=ye,d.b.warn("streamController: "+e.details+",switch to "+this.state+" state ...")):e.levelRetry||this.state!==be||(this.state=ue));break;case s.a.BUFFER_FULL_ERROR:"main"!==e.parent||this.state!==ve&&this.state!==pe||(r?(this._reduceMaxBufferLength(this.config.maxBufferLength),this.state=ue):(d.b.warn("buffer full error also media.currentTime is not buffered, flush everything"),this.fragCurrent=null,this.flushMainBuffer(0,Number.POSITIVE_INFINITY)))}}},h._reduceMaxBufferLength=function(e){var t=this.config;return t.maxMaxBufferLength>=e&&(t.maxMaxBufferLength/=2,d.b.warn("main:reduce max buffer length to "+t.maxMaxBufferLength+"s"),!0)},h._checkBuffer=function(){var e=this.media;if(e&&0!==e.readyState){var t=(this.mediaBuffer?this.mediaBuffer:e).buffered;!this.loadedmetadata&&t.length?(this.loadedmetadata=!0,this._seekToStartPos()):this.immediateSwitch?this.immediateLevelSwitchEnd():this.gapController.poll(this.lastCurrentTime,t)}},h.onFragLoadEmergencyAborted=function(){this.state=ue,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.tick()},h.onBufferFlushed=function(){var e=this.mediaBuffer?this.mediaBuffer:this.media;e&&this.fragmentTracker.detectEvictedFragments(v.VIDEO,e.buffered),this.state=ue,this.fragPrevious=null},h.swapAudioCodec=function(){this.audioCodecSwap=!this.audioCodecSwap},h._seekToStartPos=function(){var e=this.media,t=e.currentTime,r=e.seeking?t:this.startPosition;t!==r&&r>=0&&(d.b.log("target start position not buffered, seek to buffered.start(0) "+r+" from current time "+t+" "),e.currentTime=r)},h._getAudioCodec=function(e){var t=this.config.defaultAudioCodec||e.audioCodec;return this.audioCodecSwap&&(d.b.log("swapping playlist audio codec"),t&&(t=-1!==t.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5")),t},n=a,(u=[{key:"state",set:function(e){if(this.state!==e){var t=this.state;this._state=e,d.b.log("main stream-controller: "+t+"->"+e),this.hls.trigger(l.a.STREAM_STATE_TRANSITION,{previousState:t,nextState:e})}},get:function(){return this._state}},{key:"currentLevel",get:function(){var e=this.media;if(e){var t=this.getBufferedFrag(e.currentTime);if(t)return t.level}return-1}},{key:"nextBufferedFrag",get:function(){var e=this.media;return e?this.followingBufferedFrag(this.getBufferedFrag(e.currentTime)):null}},{key:"nextLevel",get:function(){var e=this.nextBufferedFrag;return e?e.level:-1}},{key:"liveSyncPosition",get:function(){return this._liveSyncPosition},set:function(e){this._liveSyncPosition=e}}])&&Ee(n.prototype,u),f&&Ee(n,f),a}(function(e){var t,r;function a(){return e.apply(this,arguments)||this}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var i=a.prototype;return i.doTick=function(){},i.startLoad=function(){},i.stopLoad=function(){var e=this.fragCurrent;e&&(e.loader&&e.loader.abort(),this.fragmentTracker.removeFragment(e)),this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.fragCurrent=null,this.fragPrevious=null,this.clearInterval(),this.clearNextTick(),this.state=de},i._streamEnded=function(e,t){var r=this.fragCurrent,a=this.fragmentTracker;if(!t.live&&r&&!r.backtracked&&r.sn===t.endSN&&!e.nextStart){var i=a.getState(r);return i===B||i===N}return!1},i.onMediaSeeking=function(){var e=this.config,t=this.media,r=this.mediaBuffer,a=this.state,i=t?t.currentTime:null,n=K.bufferInfo(r||t,i,this.config.maxBufferHole);if(Object(o.a)(i)&&d.b.log("media seeking to "+i.toFixed(3)),a===he){var s=this.fragCurrent;if(0===n.len&&s){var l=e.maxFragLookUpTolerance,u=s.start-l,f=s.start+s.duration+l;i<u||i>f?(s.loader&&(d.b.log("seeking outside of buffer while fragment load in progress, cancel fragment load"),s.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.state=ue):d.b.log("seeking outside of buffer but within currently loaded fragment range")}}else a===me&&(0===n.len&&(this.fragPrevious=null,this.fragCurrent=null),this.state=ue);t&&(this.lastCurrentTime=i),this.loadedmetadata||(this.nextLoadPosition=this.startPosition=i),this.tick()},i.onMediaEnded=function(){this.startPosition=this.lastCurrentTime=0},i.onHandlerDestroying=function(){this.stopLoad(),e.prototype.onHandlerDestroying.call(this)},i.onHandlerDestroyed=function(){this.state=de,this.fragmentTracker=null},i.computeLivePosition=function(e,t){var r=void 0!==this.config.liveSyncDuration?this.config.liveSyncDuration:this.config.liveSyncDurationCount*t.targetduration;return e+Math.max(0,t.totalduration-r)},a}(function(e){var t,r;function a(t){for(var r,a=arguments.length,i=new Array(a>1?a-1:0),n=1;n<a;n++)i[n-1]=arguments[n];return(r=e.call.apply(e,[this,t].concat(i))||this)._boundTick=void 0,r._tickTimer=null,r._tickInterval=null,r._tickCallCount=0,r._boundTick=r.tick.bind(le(r)),r}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var i=a.prototype;return i.onHandlerDestroying=function(){this.clearNextTick(),this.clearInterval()},i.hasInterval=function(){return!!this._tickInterval},i.hasNextTick=function(){return!!this._tickTimer},i.setInterval=function(e){return!this._tickInterval&&(this._tickInterval=self.setInterval(this._boundTick,e),!0)},i.clearInterval=function(){return!!this._tickInterval&&(self.clearInterval(this._tickInterval),this._tickInterval=null,!0)},i.clearNextTick=function(){return!!this._tickTimer&&(self.clearTimeout(this._tickTimer),this._tickTimer=null,!0)},i.tick=function(){this._tickCallCount++,1===this._tickCallCount&&(this.doTick(),this._tickCallCount>1&&(this.clearNextTick(),this._tickTimer=self.setTimeout(this._boundTick,0)),this._tickCallCount=0)},i.doTick=function(){},a}(f)));function Se(e,t){for(var r=0;r<t.length;r++){var a=t[r];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(e,a.key,a)}}window.performance;var _e,Ae=function(e){var t,r;function a(t){var r;return(r=e.call(this,t,l.a.MANIFEST_LOADED,l.a.LEVEL_LOADED,l.a.AUDIO_TRACK_SWITCHED,l.a.FRAG_LOADED,l.a.ERROR)||this).canload=!1,r.currentLevelIndex=null,r.manualLevelIndex=-1,r.timer=null,_e=/chrome|firefox/.test(navigator.userAgent.toLowerCase()),r}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var i,n,o,u=a.prototype;return u.onHandlerDestroying=function(){this.clearTimer(),this.manualLevelIndex=-1},u.clearTimer=function(){null!==this.timer&&(clearTimeout(this.timer),this.timer=null)},u.startLoad=function(){var e=this._levels;this.canload=!0,this.levelRetryCount=0,e&&e.forEach((function(e){e.loadError=0;var t=e.details;t&&t.live&&(e.details=void 0)})),null!==this.timer&&this.loadLevel()},u.stopLoad=function(){this.canload=!1},u.onManifestLoaded=function(e){var t,r=[],a=[],i={},n=null,o=!1,u=!1;if(e.levels.forEach((function(e){var t=e.attrs;e.loadError=0,e.fragmentError=!1,o=o||!!e.videoCodec,u=u||!!e.audioCodec,_e&&e.audioCodec&&-1!==e.audioCodec.indexOf("mp4a.40.34")&&(e.audioCodec=void 0),(n=i[e.bitrate])?n.url.push(e.url):(e.url=[e.url],e.urlId=0,i[e.bitrate]=e,r.push(e)),t&&(t.AUDIO&&(u=!0,J(n||e,"audio",t.AUDIO)),t.SUBTITLES&&J(n||e,"text",t.SUBTITLES))})),o&&u&&(r=r.filter((function(e){return!!e.videoCodec}))),r=r.filter((function(e){var t=e.audioCodec,r=e.videoCodec;return(!t||A(t,"audio"))&&(!r||A(r,"video"))})),e.audioTracks&&(a=e.audioTracks.filter((function(e){return!e.audioCodec||A(e.audioCodec,"audio")}))).forEach((function(e,t){e.id=t})),r.length>0){t=r[0].bitrate,r.sort((function(e,t){return e.bitrate-t.bitrate})),this._levels=r;for(var f=0;f<r.length;f++)if(r[f].bitrate===t){this._firstLevel=f,d.b.log("manifest loaded,"+r.length+" level(s) found, first bitrate:"+t);break}this.hls.trigger(l.a.MANIFEST_PARSED,{levels:r,audioTracks:a,firstLevel:this._firstLevel,stats:e.stats,audio:u,video:o,altAudio:a.some((function(e){return!!e.url}))})}else this.hls.trigger(l.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.MANIFEST_INCOMPATIBLE_CODECS_ERROR,fatal:!0,url:this.hls.url,reason:"no level with compatible codecs found in manifest"})},u.setLevelInternal=function(e){var t=this._levels,r=this.hls;if(e>=0&&e<t.length){if(this.clearTimer(),this.currentLevelIndex!==e){d.b.log("switching to level "+e),this.currentLevelIndex=e;var a=t[e];a.level=e,r.trigger(l.a.LEVEL_SWITCHING,a)}var i=t[e],n=i.details;if(!n||n.live){var o=i.urlId;r.trigger(l.a.LEVEL_LOADING,{url:i.url[o],level:e,id:o})}}else r.trigger(l.a.ERROR,{type:s.b.OTHER_ERROR,details:s.a.LEVEL_SWITCH_ERROR,level:e,fatal:!1,reason:"invalid level idx"})},u.onError=function(e){if(e.fatal)e.type===s.b.NETWORK_ERROR&&this.clearTimer();else{var t,r=!1,a=!1;switch(e.details){case s.a.FRAG_LOAD_ERROR:case s.a.FRAG_LOAD_TIMEOUT:case s.a.KEY_LOAD_ERROR:case s.a.KEY_LOAD_TIMEOUT:t=e.frag.level,a=!0;break;case s.a.LEVEL_LOAD_ERROR:case s.a.LEVEL_LOAD_TIMEOUT:t=e.context.level,r=!0;break;case s.a.REMUX_ALLOC_ERROR:t=e.level,r=!0}void 0!==t&&this.recoverLevel(e,t,r,a)}},u.recoverLevel=function(e,t,r,a){var i,n,s,o=this,l=this.hls.config,u=e.details,f=this._levels[t];if(f.loadError++,f.fragmentError=a,r){if(!(this.levelRetryCount+1<=l.levelLoadingMaxRetry))return d.b.error("level controller, cannot recover from "+u+" error"),this.currentLevelIndex=null,this.clearTimer(),void(e.fatal=!0);n=Math.min(Math.pow(2,this.levelRetryCount)*l.levelLoadingRetryDelay,l.levelLoadingMaxRetryTimeout),this.timer=setTimeout((function(){return o.loadLevel()}),n),e.levelRetry=!0,this.levelRetryCount++,d.b.warn("level controller, "+u+", retry in "+n+" ms, current retry count is "+this.levelRetryCount)}(r||a)&&((i=f.url.length)>1&&f.loadError<i?(f.urlId=(f.urlId+1)%i,f.details=void 0,d.b.warn("level controller, "+u+" for level "+t+": switching to redundant URL-id "+f.urlId)):-1===this.manualLevelIndex?(s=0===t?this._levels.length-1:t-1,d.b.warn("level controller, "+u+": switch to "+s),this.hls.nextAutoLevel=this.currentLevelIndex=s):a&&(d.b.warn("level controller, "+u+": reload a fragment"),this.currentLevelIndex=null))},u.onFragLoaded=function(e){var t=e.frag;if(void 0!==t&&"main"===t.type){var r=this._levels[t.level];void 0!==r&&(r.fragmentError=!1,r.loadError=0,this.levelRetryCount=0)}},u.onLevelLoaded=function(e){var t=this,r=e.level,a=e.details;if(r===this.currentLevelIndex){var i=this._levels[r];if(i.fragmentError||(i.loadError=0,this.levelRetryCount=0),a.live){var n=function(e,t,r){var a=1e3*(t.averagetargetduration?t.averagetargetduration:t.targetduration),i=a/2;return e&&t.endSN===e.endSN&&(a=i),r&&(a=Math.max(i,a-(window.performance.now()-r))),Math.round(a)}(i.details,a,e.stats.trequest);d.b.log("live playlist, reload in "+Math.round(n)+" ms"),this.timer=setTimeout((function(){return t.loadLevel()}),n)}else this.clearTimer()}},u.onAudioTrackSwitched=function(e){var t=this.hls.audioTracks[e.id].groupId,r=this.hls.levels[this.currentLevelIndex];if(r&&r.audioGroupIds){for(var a=-1,i=0;i<r.audioGroupIds.length;i++)if(r.audioGroupIds[i]===t){a=i;break}a!==r.urlId&&(r.urlId=a,this.startLoad())}},u.loadLevel=function(){if(d.b.debug("call to loadLevel"),null!==this.currentLevelIndex&&this.canload){var e=this._levels[this.currentLevelIndex];if("object"==typeof e&&e.url.length>0){var t=this.currentLevelIndex,r=e.urlId,a=e.url[r];d.b.log("Attempt loading level index "+t+" with URL-id "+r),this.hls.trigger(l.a.LEVEL_LOADING,{url:a,level:t,id:r})}}},i=a,(n=[{key:"levels",get:function(){return this._levels}},{key:"level",get:function(){return this.currentLevelIndex},set:function(e){var t=this._levels;t&&(e=Math.min(e,t.length-1),this.currentLevelIndex===e&&t[e].details||this.setLevelInternal(e))}},{key:"manualLevel",get:function(){return this.manualLevelIndex},set:function(e){this.manualLevelIndex=e,void 0===this._startLevel&&(this._startLevel=e),-1!==e&&(this.level=e)}},{key:"firstLevel",get:function(){return this._firstLevel},set:function(e){this._firstLevel=e}},{key:"startLevel",get:function(){if(void 0===this._startLevel){var e=this.hls.config.startLevel;return void 0!==e?e:this._firstLevel}return this._startLevel},set:function(e){this._startLevel=e}},{key:"nextLoadLevel",get:function(){return-1!==this.manualLevelIndex?this.manualLevelIndex:this.hls.nextAutoLevel},set:function(e){this.level=e,-1===this.manualLevelIndex&&(this.hls.nextAutoLevel=e)}}])&&Se(i.prototype,n),o&&Se(i,o),a}(f),Re=r(4);function Le(e,t){var r;try{r=new Event("addtrack")}catch(e){(r=document.createEvent("Event")).initEvent("addtrack",!1,!1)}r.track=e,t.dispatchEvent(r)}function we(e,t){if(t<e[0].endTime)return e[0];if(t>e[e.length-1].endTime)return e[e.length-1];for(var r=0,a=e.length-1;r<=a;){var i=Math.floor((a+r)/2);if(t<e[i].endTime)a=i-1;else{if(!(t>e[i].endTime))return e[i];r=i+1}}return e[r].endTime-t<t-e[a].endTime?e[r]:e[a]}var De=function(e){var t,r;function a(t){var r;return(r=e.call(this,t,l.a.MEDIA_ATTACHED,l.a.MEDIA_DETACHING,l.a.FRAG_PARSING_METADATA,l.a.LIVE_BACK_BUFFER_REACHED)||this).id3Track=void 0,r.media=void 0,r}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var i=a.prototype;return i.destroy=function(){f.prototype.destroy.call(this)},i.onMediaAttached=function(e){this.media=e.media,this.media},i.onMediaDetaching=function(){!function(e){if(e&&e.cues)for(;e.cues.length>0;)e.removeCue(e.cues[0])}(this.id3Track),this.id3Track=void 0,this.media=void 0},i.getID3Track=function(e){for(var t=0;t<e.length;t++){var r=e[t];if("metadata"===r.kind&&"id3"===r.label)return Le(r,this.media),r}return this.media.addTextTrack("metadata","id3")},i.onLiveBackBufferReached=function(e){var t=e.bufferEnd;if(this.id3Track&&this.id3Track.cues&&this.id3Track.cues.length){var r=we(this.id3Track.cues,t);if(r)for(var a=!0;a;){var i=this.id3Track.cues[0];if(!this.id3Track.cues.length||i.id===r.id)return void(a=!1);this.id3Track.removeCue(i)}}},i.onFragParsingMetadata=function(e){var t=e.frag,r=e.samples;this.id3Track||(this.id3Track=this.getID3Track(this.media.textTracks),this.id3Track.mode="hidden");for(var a=window.WebKitDataCue||window.VTTCue||window.TextTrackCue,i=0;i<r.length;i++){var n=Re.a.getID3Frames(r[i].data);if(n){var s=r[i].pts,o=i<r.length-1?r[i+1].pts:t.endPTS;s===o?o+=1e-4:s>o&&(d.b.warn("detected an id3 sample with endTime < startTime, adjusting endTime to (startTime + 0.25)"),o=s+.25);for(var l=0;l<n.length;l++){var u=n[l];if(!Re.a.isTimeStampFrame(u)){var f=new a(s,o,"");f.value=u,this.id3Track.addCue(f)}}}}},i.onLiveBackBufferReached=function(e){var t=e.bufferEnd,r=this.id3Track;if(r&&r.cues&&r.cues.length){var a=we(r.cues,t);if(a)for(;r.cues[0]!==a;)r.removeCue(r.cues[0])}},a}(f);var ke=function(){function e(e){this.alpha_=void 0,this.estimate_=void 0,this.totalWeight_=void 0,this.alpha_=e?Math.exp(Math.log(.5)/e):0,this.estimate_=0,this.totalWeight_=0}var t=e.prototype;return t.sample=function(e,t){var r=Math.pow(this.alpha_,e);this.estimate_=t*(1-r)+r*this.estimate_,this.totalWeight_+=e},t.getTotalWeight=function(){return this.totalWeight_},t.getEstimate=function(){if(this.alpha_){var e=1-Math.pow(this.alpha_,this.totalWeight_);return this.estimate_/e}return this.estimate_},e}(),Oe=function(){function e(e,t,r,a){this.hls=void 0,this.defaultEstimate_=void 0,this.minWeight_=void 0,this.minDelayMs_=void 0,this.slow_=void 0,this.fast_=void 0,this.hls=e,this.defaultEstimate_=a,this.minWeight_=.001,this.minDelayMs_=50,this.slow_=new ke(t),this.fast_=new ke(r)}var t=e.prototype;return t.sample=function(e,t){var r=(e=Math.max(e,this.minDelayMs_))/1e3,a=8*t/r;this.fast_.sample(r,a),this.slow_.sample(r,a)},t.canEstimate=function(){var e=this.fast_;return e&&e.getTotalWeight()>=this.minWeight_},t.getEstimate=function(){return this.canEstimate()?Math.min(this.fast_.getEstimate(),this.slow_.getEstimate()):this.defaultEstimate_},t.destroy=function(){},e}();function xe(e,t){for(var r=0;r<t.length;r++){var a=t[r];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(e,a.key,a)}}var Ie=window.performance,Ce=function(e){var t,r;function a(t){var r;return(r=e.call(this,t,l.a.FRAG_LOADING,l.a.FRAG_LOADED,l.a.FRAG_BUFFERED,l.a.ERROR)||this).lastLoadedFragLevel=0,r._nextAutoLevel=-1,r.hls=t,r.timer=null,r._bwEstimator=null,r.onCheck=r._abandonRulesCheck.bind(function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(r)),r}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var i,n,u,h=a.prototype;return h.destroy=function(){this.clearTimer(),f.prototype.destroy.call(this)},h.onFragLoading=function(e){var t=e.frag;if("main"===t.type&&(this.timer||(this.fragCurrent=t,this.timer=setInterval(this.onCheck,100)),!this._bwEstimator)){var r,a,i=this.hls,n=i.config,s=t.level;i.levels[s].details.live?(r=n.abrEwmaFastLive,a=n.abrEwmaSlowLive):(r=n.abrEwmaFastVoD,a=n.abrEwmaSlowVoD),this._bwEstimator=new Oe(i,a,r,n.abrEwmaDefaultEstimate)}},h._abandonRulesCheck=function(){var e=this.hls,t=e.media,r=this.fragCurrent;if(r){var a=r.loader,i=e.minAutoLevel;if(!a||a.stats&&a.stats.aborted)return d.b.warn("frag loader destroy or aborted, disarm abandonRules"),this.clearTimer(),void(this._nextAutoLevel=-1);var n=a.stats;if(t&&n&&(!t.paused&&0!==t.playbackRate||!t.readyState)&&r.autoLevel&&r.level){var s=Ie.now()-n.trequest,o=Math.abs(t.playbackRate);if(s>500*r.duration/o){var u=e.levels,f=Math.max(1,n.bw?n.bw/8:1e3*n.loaded/s),h=u[r.level],c=h.realBitrate?Math.max(h.realBitrate,h.bitrate):h.bitrate,v=n.total?n.total:Math.max(n.loaded,Math.round(r.duration*c/8)),p=t.currentTime,g=(v-n.loaded)/f,m=(K.bufferInfo(t,p,e.config.maxBufferHole).end-p)/o;if(m<2*r.duration/o&&g>m){var y;for(y=r.level-1;y>i;y--){var b=u[y].realBitrate?Math.max(u[y].realBitrate,u[y].bitrate):u[y].bitrate;if(r.duration*b/(6.4*f)<m)break}void 0<g&&(d.b.warn("loading too slow, abort fragment loading and switch to level "+y+":fragLoadedDelay["+y+"]<fragLoadedDelay["+(r.level-1)+"];bufferStarvationDelay:"+(void 0).toFixed(1)+"<"+g.toFixed(1)+":"+m.toFixed(1)),e.nextLoadLevel=y,this._bwEstimator.sample(s,n.loaded),a.abort(),this.clearTimer(),e.trigger(l.a.FRAG_LOAD_EMERGENCY_ABORTED,{frag:r,stats:n}))}}}}},h.onFragLoaded=function(e){var t=e.frag;if("main"===t.type&&Object(o.a)(t.sn)){if(this.clearTimer(),this.lastLoadedFragLevel=t.level,this._nextAutoLevel=-1,this.hls.config.abrMaxWithRealBitrate){var r=this.hls.levels[t.level],a=(r.loaded?r.loaded.bytes:0)+e.stats.loaded,i=(r.loaded?r.loaded.duration:0)+e.frag.duration;r.loaded={bytes:a,duration:i},r.realBitrate=Math.round(8*a/i)}if(e.frag.bitrateTest){var n=e.stats;n.tparsed=n.tbuffered=n.tload,this.onFragBuffered(e)}}},h.onFragBuffered=function(e){var t=e.stats,r=e.frag;if(!0!==t.aborted&&"main"===r.type&&Object(o.a)(r.sn)&&(!r.bitrateTest||t.tload===t.tbuffered)){var a=t.tparsed-t.trequest;d.b.log("latency/loading/parsing/append/kbps:"+Math.round(t.tfirst-t.trequest)+"/"+Math.round(t.tload-t.tfirst)+"/"+Math.round(t.tparsed-t.tload)+"/"+Math.round(t.tbuffered-t.tparsed)+"/"+Math.round(8*t.loaded/(t.tbuffered-t.trequest))),this._bwEstimator.sample(a,t.loaded),t.bwEstimate=this._bwEstimator.getEstimate(),r.bitrateTest?this.bitrateTestDelay=a/1e3:this.bitrateTestDelay=0}},h.onError=function(e){switch(e.details){case s.a.FRAG_LOAD_ERROR:case s.a.FRAG_LOAD_TIMEOUT:this.clearTimer()}},h.clearTimer=function(){clearInterval(this.timer),this.timer=null},h._findBestLevel=function(e,t,r,a,i,n,s,o,l){for(var u=i;u>=a;u--){var f=l[u];if(f){var h=f.details,c=h?h.totalduration/h.fragments.length:t,v=!!h&&h.live,p=void 0;p=u<=e?s*r:o*r;var g=l[u].realBitrate?Math.max(l[u].realBitrate,l[u].bitrate):l[u].bitrate,m=g*c/p;if(d.b.trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: "+u+"/"+Math.round(p)+"/"+g+"/"+c+"/"+n+"/"+m),p>g&&(!m||v&&!this.bitrateTestDelay||m<n))return u}}return-1},i=a,(n=[{key:"nextAutoLevel",get:function(){var e=this._nextAutoLevel,t=this._bwEstimator;if(!(-1===e||t&&t.canEstimate()))return e;var r=this._nextABRAutoLevel;return-1!==e&&(r=Math.min(e,r)),r},set:function(e){this._nextAutoLevel=e}},{key:"_nextABRAutoLevel",get:function(){var e=this.hls,t=e.maxAutoLevel,r=e.levels,a=e.config,i=e.minAutoLevel,n=e.media,s=this.lastLoadedFragLevel,o=this.fragCurrent?this.fragCurrent.duration:0,l=n?n.currentTime:0,u=n&&0!==n.playbackRate?Math.abs(n.playbackRate):1,f=this._bwEstimator?this._bwEstimator.getEstimate():a.abrEwmaDefaultEstimate,h=(K.bufferInfo(n,l,a.maxBufferHole).end-l)/u,c=this._findBestLevel(s,o,f,i,t,h,a.abrBandWidthFactor,a.abrBandWidthUpFactor,r);if(c>=0)return c;d.b.trace("rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering");var v=o?Math.min(o,a.maxStarvationDelay):a.maxStarvationDelay,p=a.abrBandWidthFactor,g=a.abrBandWidthUpFactor;if(0===h){var m=this.bitrateTestDelay;m&&(v=(o?Math.min(o,a.maxLoadingDelay):a.maxLoadingDelay)-m,d.b.trace("bitrate test took "+Math.round(1e3*m)+"ms, set first fragment max fetchDuration to "+Math.round(1e3*v)+" ms"),p=g=1)}return c=this._findBestLevel(s,o,f,i,t,h+v,p,g,r),Math.max(c,0)}}])&&xe(i.prototype,n),u&&xe(i,u),a}(f);var Pe=Y(),Fe=function(e){var t,r;function a(t){var r;return(r=e.call(this,t,l.a.MEDIA_ATTACHING,l.a.MEDIA_DETACHING,l.a.MANIFEST_PARSED,l.a.BUFFER_RESET,l.a.BUFFER_APPENDING,l.a.BUFFER_CODECS,l.a.BUFFER_EOS,l.a.BUFFER_FLUSHING,l.a.LEVEL_PTS_UPDATED,l.a.LEVEL_UPDATED)||this)._msDuration=null,r._levelDuration=null,r._levelTargetDuration=10,r._live=null,r._objectUrl=null,r._needsFlush=!1,r._needsEos=!1,r.config=void 0,r.audioTimestampOffset=void 0,r.bufferCodecEventsExpected=0,r._bufferCodecEventsTotal=0,r.media=null,r.mediaSource=null,r.segments=[],r.parent=void 0,r.appending=!1,r.appended=0,r.appendError=0,r.flushBufferCounter=0,r.tracks={},r.pendingTracks={},r.sourceBuffer={},r.flushRange=[],r._onMediaSourceOpen=function(){d.b.log("media source opened"),r.hls.trigger(l.a.MEDIA_ATTACHED,{media:r.media});var e=r.mediaSource;e&&e.removeEventListener("sourceopen",r._onMediaSourceOpen),r.checkPendingTracks()},r._onMediaSourceClose=function(){d.b.log("media source closed")},r._onMediaSourceEnded=function(){d.b.log("media source ended")},r._onSBUpdateEnd=function(){if(r.audioTimestampOffset&&r.sourceBuffer.audio){var e=r.sourceBuffer.audio;d.b.warn("change mpeg audio timestamp offset from "+e.timestampOffset+" to "+r.audioTimestampOffset),e.timestampOffset=r.audioTimestampOffset,delete r.audioTimestampOffset}r._needsFlush&&r.doFlush(),r._needsEos&&r.checkEos(),r.appending=!1;var t=r.parent,a=r.segments.reduce((function(e,r){return r.parent===t?e+1:e}),0),i={},n=r.sourceBuffer;for(var s in n){var o=n[s];if(!o)throw Error("handling source buffer update end error: source buffer for "+s+" uninitilized and unable to update buffered TimeRanges.");i[s]=o.buffered}r.hls.trigger(l.a.BUFFER_APPENDED,{parent:t,pending:a,timeRanges:i}),r._needsFlush||r.doAppending(),r.updateMediaElementDuration(),0===a&&r.flushLiveBackBuffer()},r._onSBUpdateError=function(e){d.b.error("sourceBuffer error:",e),r.hls.trigger(l.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_APPENDING_ERROR,fatal:!1})},r.config=t.config,r}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var i=a.prototype;return i.destroy=function(){f.prototype.destroy.call(this)},i.onLevelPtsUpdated=function(e){var t=e.type,r=this.tracks.audio;if("audio"===t&&r&&"audio/mpeg"===r.container){var a=this.sourceBuffer.audio;if(!a)throw Error("Level PTS Updated and source buffer for audio uninitalized");if(Math.abs(a.timestampOffset-e.start)>.1){var i=a.updating;try{a.abort()}catch(e){d.b.warn("can not abort audio buffer: "+e)}i?this.audioTimestampOffset=e.start:(d.b.warn("change mpeg audio timestamp offset from "+a.timestampOffset+" to "+e.start),a.timestampOffset=e.start)}}},i.onManifestParsed=function(e){this.bufferCodecEventsExpected=this._bufferCodecEventsTotal=e.altAudio?2:1,d.b.log(this.bufferCodecEventsExpected+" bufferCodec event(s) expected")},i.onMediaAttaching=function(e){var t=this.media=e.media;if(t&&Pe){var r=this.mediaSource=new Pe;r.addEventListener("sourceopen",this._onMediaSourceOpen),r.addEventListener("sourceended",this._onMediaSourceEnded),r.addEventListener("sourceclose",this._onMediaSourceClose),t.src=window.URL.createObjectURL(r),this._objectUrl=t.src}},i.onMediaDetaching=function(){d.b.log("media source detaching");var e=this.mediaSource;if(e){if("open"===e.readyState)try{e.endOfStream()}catch(e){d.b.warn("onMediaDetaching:"+e.message+" while calling endOfStream")}e.removeEventListener("sourceopen",this._onMediaSourceOpen),e.removeEventListener("sourceended",this._onMediaSourceEnded),e.removeEventListener("sourceclose",this._onMediaSourceClose),this.media&&(this._objectUrl&&window.URL.revokeObjectURL(this._objectUrl),this.media.src===this._objectUrl?(this.media.removeAttribute("src"),this.media.load()):d.b.warn("media.src was changed by a third party - skip cleanup")),this.mediaSource=null,this.media=null,this._objectUrl=null,this.bufferCodecEventsExpected=this._bufferCodecEventsTotal,this.pendingTracks={},this.tracks={},this.sourceBuffer={},this.flushRange=[],this.segments=[],this.appended=0}this.hls.trigger(l.a.MEDIA_DETACHED)},i.checkPendingTracks=function(){var e=this.bufferCodecEventsExpected,t=this.pendingTracks,r=Object.keys(t).length;(r&&!e||2===r)&&(this.createSourceBuffers(t),this.pendingTracks={},this.doAppending())},i.onBufferReset=function(){var e=this.sourceBuffer;for(var t in e){var r=e[t];try{r&&(this.mediaSource&&this.mediaSource.removeSourceBuffer(r),r.removeEventListener("updateend",this._onSBUpdateEnd),r.removeEventListener("error",this._onSBUpdateError))}catch(e){}}this.sourceBuffer={},this.flushRange=[],this.segments=[],this.appended=0},i.onBufferCodecs=function(e){var t=this;Object.keys(this.sourceBuffer).length||(Object.keys(e).forEach((function(r){t.pendingTracks[r]=e[r]})),this.bufferCodecEventsExpected=Math.max(this.bufferCodecEventsExpected-1,0),this.mediaSource&&"open"===this.mediaSource.readyState&&this.checkPendingTracks())},i.createSourceBuffers=function(e){var t=this.sourceBuffer,r=this.mediaSource;if(!r)throw Error("createSourceBuffers called when mediaSource was null");for(var a in e)if(!t[a]){var i=e[a];if(!i)throw Error("source buffer exists for track "+a+", however track does not");var n=i.levelCodec||i.codec,o=i.container+";codecs="+n;d.b.log("creating sourceBuffer("+o+")");try{var u=t[a]=r.addSourceBuffer(o);u.addEventListener("updateend",this._onSBUpdateEnd),u.addEventListener("error",this._onSBUpdateError),this.tracks[a]={buffer:u,codec:n,id:i.id,container:i.container,levelCodec:i.levelCodec}}catch(e){d.b.error("error while trying to add sourceBuffer:"+e.message),this.hls.trigger(l.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_ADD_CODEC_ERROR,fatal:!1,err:e,mimeType:o})}}this.hls.trigger(l.a.BUFFER_CREATED,{tracks:this.tracks})},i.onBufferAppending=function(e){this._needsFlush||(this.segments?this.segments.push(e):this.segments=[e],this.doAppending())},i.onBufferEos=function(e){for(var t in this.sourceBuffer)if(!e.type||e.type===t){var r=this.sourceBuffer[t];r&&!r.ended&&(r.ended=!0,d.b.log(t+" sourceBuffer now EOS"))}this.checkEos()},i.checkEos=function(){var e=this.sourceBuffer,t=this.mediaSource;if(t&&"open"===t.readyState){for(var r in e){var a=e[r];if(a){if(!a.ended)return;if(a.updating)return void(this._needsEos=!0)}}d.b.log("all media data are available, signal endOfStream() to MediaSource and stop loading fragment");try{t.endOfStream()}catch(e){d.b.warn("exception while calling mediaSource.endOfStream()")}this._needsEos=!1}else this._needsEos=!1},i.onBufferFlushing=function(e){e.type?this.flushRange.push({start:e.startOffset,end:e.endOffset,type:e.type}):(this.flushRange.push({start:e.startOffset,end:e.endOffset,type:"video"}),this.flushRange.push({start:e.startOffset,end:e.endOffset,type:"audio"})),this.flushBufferCounter=0,this.doFlush()},i.flushLiveBackBuffer=function(){if(this._live){var e=this.config.liveBackBufferLength;if(isFinite(e)&&!(e<0))if(this.media)for(var t=this.media.currentTime,r=this.sourceBuffer,a=Object.keys(r),i=t-Math.max(e,this._levelTargetDuration),n=a.length-1;n>=0;n--){var s=a[n],o=r[s];if(o){var u=o.buffered;u.length>0&&i>u.start(0)&&this.removeBufferRange(s,o,0,i)&&this.hls.trigger(l.a.LIVE_BACK_BUFFER_REACHED,{bufferEnd:i})}}else d.b.error("flushLiveBackBuffer called without attaching media")}},i.onLevelUpdated=function(e){var t=e.details;t.fragments.length>0&&(this._levelDuration=t.totalduration+t.fragments[0].start,this._levelTargetDuration=t.averagetargetduration||t.targetduration||10,this._live=t.live,this.updateMediaElementDuration())},i.updateMediaElementDuration=function(){var e,t=this.config;if(null!==this._levelDuration&&this.media&&this.mediaSource&&this.sourceBuffer&&0!==this.media.readyState&&"open"===this.mediaSource.readyState){for(var r in this.sourceBuffer){var a=this.sourceBuffer[r];if(a&&!0===a.updating)return}e=this.media.duration,null===this._msDuration&&(this._msDuration=this.mediaSource.duration),!0===this._live&&!0===t.liveDurationInfinity?(d.b.log("Media Source duration is set to Infinity"),this._msDuration=this.mediaSource.duration=1/0):(this._levelDuration>this._msDuration&&this._levelDuration>e||!Object(o.a)(e))&&(d.b.log("Updating Media Source duration to "+this._levelDuration.toFixed(3)),this._msDuration=this.mediaSource.duration=this._levelDuration)}},i.doFlush=function(){for(;this.flushRange.length;){var e=this.flushRange[0];if(!this.flushBuffer(e.start,e.end,e.type))return void(this._needsFlush=!0);this.flushRange.shift(),this.flushBufferCounter=0}if(0===this.flushRange.length){this._needsFlush=!1;var t=0,r=this.sourceBuffer;try{for(var a in r){var i=r[a];i&&(t+=i.buffered.length)}}catch(e){d.b.error("error while accessing sourceBuffer.buffered")}this.appended=t,this.hls.trigger(l.a.BUFFER_FLUSHED)}},i.doAppending=function(){var e=this.config,t=this.hls,r=this.segments,a=this.sourceBuffer;if(Object.keys(a).length){if(!this.media||this.media.error)return this.segments=[],void d.b.error("trying to append although a media error occured, flush segment and abort");if(!this.appending){var i=r.shift();if(i)try{var n=a[i.type];if(!n)return void this._onSBUpdateEnd();if(n.updating)return void r.unshift(i);n.ended=!1,this.parent=i.parent,n.appendBuffer(i.data),this.appendError=0,this.appended++,this.appending=!0}catch(a){d.b.error("error while trying to append buffer:"+a.message),r.unshift(i);var o={type:s.b.MEDIA_ERROR,parent:i.parent,details:"",fatal:!1};22===a.code?(this.segments=[],o.details=s.a.BUFFER_FULL_ERROR):(this.appendError++,o.details=s.a.BUFFER_APPEND_ERROR,this.appendError>e.appendErrorMaxRetry&&(d.b.log("fail "+e.appendErrorMaxRetry+" times to append segment in sourceBuffer"),this.segments=[],o.fatal=!0)),t.trigger(l.a.ERROR,o)}}}},i.flushBuffer=function(e,t,r){var a=this.sourceBuffer;if(!Object.keys(a).length)return!0;var i="null";if(this.media&&(i=this.media.currentTime.toFixed(3)),d.b.log("flushBuffer,pos/start/end: "+i+"/"+e+"/"+t),this.flushBufferCounter>=this.appended)return d.b.warn("abort flushing too many retries"),!0;var n=a[r];if(n){if(n.ended=!1,n.updating)return d.b.warn("cannot flush, sb updating in progress"),!1;if(this.removeBufferRange(r,n,e,t))return this.flushBufferCounter++,!1}return d.b.log("buffer flushed"),!0},i.removeBufferRange=function(e,t,r,a){try{for(var i=0;i<t.buffered.length;i++){var n=t.buffered.start(i),s=t.buffered.end(i),o=Math.max(n,r),l=Math.min(s,a);if(Math.min(l,s)-o>.5){var u="null";return this.media&&(u=this.media.currentTime.toString()),d.b.log("sb remove "+e+" ["+o+","+l+"], of ["+n+","+s+"], pos:"+u),t.remove(o,l),!0}}}catch(e){d.b.warn("removeBufferRange failed",e)}return!1},a}(f);function Me(e,t){for(var r=0;r<t.length;r++){var a=t[r];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(e,a.key,a)}}var Ue=function(e){var t,r;function a(t){var r;return(r=e.call(this,t,l.a.FPS_DROP_LEVEL_CAPPING,l.a.MEDIA_ATTACHING,l.a.MANIFEST_PARSED,l.a.BUFFER_CODECS,l.a.MEDIA_DETACHING)||this).autoLevelCapping=Number.POSITIVE_INFINITY,r.firstLevel=null,r.levels=[],r.media=null,r.restrictedLevels=[],r.timer=null,r}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var i,n,s,o=a.prototype;return o.destroy=function(){this.hls.config.capLevelToPlayerSize&&(this.media=null,this.stopCapping())},o.onFpsDropLevelCapping=function(e){a.isLevelAllowed(e.droppedLevel,this.restrictedLevels)&&this.restrictedLevels.push(e.droppedLevel)},o.onMediaAttaching=function(e){this.media=e.media instanceof window.HTMLVideoElement?e.media:null},o.onManifestParsed=function(e){var t=this.hls;this.restrictedLevels=[],this.levels=e.levels,this.firstLevel=e.firstLevel,t.config.capLevelToPlayerSize&&e.video&&this.startCapping()},o.onBufferCodecs=function(e){this.hls.config.capLevelToPlayerSize&&e.video&&this.startCapping()},o.onLevelsUpdated=function(e){this.levels=e.levels},o.onMediaDetaching=function(){this.stopCapping()},o.detectPlayerSize=function(){if(this.media){var e=this.levels?this.levels.length:0;if(e){var t=this.hls;t.autoLevelCapping=this.getMaxLevel(e-1),t.autoLevelCapping>this.autoLevelCapping&&t.streamController.nextLevelSwitch(),this.autoLevelCapping=t.autoLevelCapping}}},o.getMaxLevel=function(e){var t=this;if(!this.levels)return-1;var r=this.levels.filter((function(r,i){return a.isLevelAllowed(i,t.restrictedLevels)&&i<=e}));return a.getMaxLevelByMediaSize(r,this.mediaWidth,this.mediaHeight)},o.startCapping=function(){this.timer||(this.autoLevelCapping=Number.POSITIVE_INFINITY,this.hls.firstLevel=this.getMaxLevel(this.firstLevel),clearInterval(this.timer),this.timer=setInterval(this.detectPlayerSize.bind(this),1e3),this.detectPlayerSize())},o.stopCapping=function(){this.restrictedLevels=[],this.firstLevel=null,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.timer&&(this.timer=clearInterval(this.timer),this.timer=null)},a.isLevelAllowed=function(e,t){return void 0===t&&(t=[]),-1===t.indexOf(e)},a.getMaxLevelByMediaSize=function(e,t,r){if(!e||e&&!e.length)return-1;for(var a,i,n=e.length-1,s=0;s<e.length;s+=1){var o=e[s];if((o.width>=t||o.height>=r)&&(a=o,!(i=e[s+1])||a.width!==i.width||a.height!==i.height)){n=s;break}}return n},i=a,s=[{key:"contentScaleFactor",get:function(){var e=1;try{e=window.devicePixelRatio}catch(e){}return e}}],(n=[{key:"mediaWidth",get:function(){var e,t=this.media;return t&&(e=t.width||t.clientWidth||t.offsetWidth,e*=a.contentScaleFactor),e}},{key:"mediaHeight",get:function(){var e,t=this.media;return t&&(e=t.height||t.clientHeight||t.offsetHeight,e*=a.contentScaleFactor),e}}])&&Me(i.prototype,n),s&&Me(i,s),a}(f);var Be,Ne=window.performance,Ge=function(e){var t,r;function a(t){return e.call(this,t,l.a.MEDIA_ATTACHING)||this}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var i=a.prototype;return i.destroy=function(){this.timer&&clearInterval(this.timer),this.isVideoPlaybackQualityAvailable=!1},i.onMediaAttaching=function(e){var t=this.hls.config;t.capLevelOnFPSDrop&&("function"==typeof(this.video=e.media instanceof window.HTMLVideoElement?e.media:null).getVideoPlaybackQuality&&(this.isVideoPlaybackQualityAvailable=!0),clearInterval(this.timer),this.timer=setInterval(this.checkFPSInterval.bind(this),t.fpsDroppedMonitoringPeriod))},i.checkFPS=function(e,t,r){var a=Ne.now();if(t){if(this.lastTime){var i=a-this.lastTime,n=r-this.lastDroppedFrames,s=t-this.lastDecodedFrames,o=1e3*n/i,u=this.hls;if(u.trigger(l.a.FPS_DROP,{currentDropped:n,currentDecoded:s,totalDroppedFrames:r}),o>0&&n>u.config.fpsDroppedMonitoringThreshold*s){var f=u.currentLevel;d.b.warn("drop FPS ratio greater than max allowed value for currentLevel: "+f),f>0&&(-1===u.autoLevelCapping||u.autoLevelCapping>=f)&&(f-=1,u.trigger(l.a.FPS_DROP_LEVEL_CAPPING,{level:f,droppedLevel:u.currentLevel}),u.autoLevelCapping=f,u.streamController.nextLevelSwitch())}}this.lastTime=a,this.lastDroppedFrames=r,this.lastDecodedFrames=t}},i.checkFPSInterval=function(){var e=this.video;if(e)if(this.isVideoPlaybackQualityAvailable){var t=e.getVideoPlaybackQuality();this.checkFPS(e,t.totalVideoFrames,t.droppedVideoFrames)}else this.checkFPS(e,e.webkitDecodedFrameCount,e.webkitDroppedFrameCount)},a}(f),je=window,Ke=je.performance,He=je.XMLHttpRequest,Ve=function(){function e(e){e&&e.xhrSetup&&(this.xhrSetup=e.xhrSetup)}var t=e.prototype;return t.destroy=function(){this.abort(),this.loader=null},t.abort=function(){var e=this.loader;e&&4!==e.readyState&&(this.stats.aborted=!0,e.abort()),window.clearTimeout(this.requestTimeout),this.requestTimeout=null,window.clearTimeout(this.retryTimeout),this.retryTimeout=null},t.load=function(e,t,r){this.context=e,this.config=t,this.callbacks=r,this.stats={trequest:Ke.now(),retry:0},this.retryDelay=t.retryDelay,this.loadInternal()},t.loadInternal=function(){var e,t=this.context;e=this.loader=new He;var r=this.stats;r.tfirst=0,r.loaded=0;var a=this.xhrSetup;try{if(a)try{a(e,t.url)}catch(r){e.open("GET",t.url,!0),a(e,t.url)}e.readyState||e.open("GET",t.url,!0)}catch(r){return void this.callbacks.onError({code:e.status,text:r.message},t,e)}t.rangeEnd&&e.setRequestHeader("Range","bytes="+t.rangeStart+"-"+(t.rangeEnd-1)),e.onreadystatechange=this.readystatechange.bind(this),e.onprogress=this.loadprogress.bind(this),e.responseType=t.responseType,this.requestTimeout=window.setTimeout(this.loadtimeout.bind(this),this.config.timeout),e.send()},t.readystatechange=function(e){var t=e.currentTarget,r=t.readyState,a=this.stats,i=this.context,n=this.config;if(!a.aborted&&r>=2)if(window.clearTimeout(this.requestTimeout),0===a.tfirst&&(a.tfirst=Math.max(Ke.now(),a.trequest)),4===r){var s=t.status;if(s>=200&&s<300){var o,l;a.tload=Math.max(a.tfirst,Ke.now()),l="arraybuffer"===i.responseType?(o=t.response).byteLength:(o=t.responseText).length,a.loaded=a.total=l;var u={url:t.responseURL,data:o};this.callbacks.onSuccess(u,a,i,t)}else a.retry>=n.maxRetry?(d.b.error(s+" while loading "+i.url),this.callbacks.onError({code:s,text:t.statusText},i,t)):(d.b.warn(s+" while loading "+i.url+", retrying in "+this.retryDelay+"..."),this.destroy(),this.retryTimeout=window.setTimeout(this.loadInternal.bind(this),this.retryDelay),this.retryDelay=Math.min(2*this.retryDelay,n.maxRetryDelay),a.retry++)}else this.requestTimeout=window.setTimeout(this.loadtimeout.bind(this),n.timeout)},t.loadtimeout=function(){d.b.warn("timeout while loading "+this.context.url),this.callbacks.onTimeout(this.stats,this.context,null)},t.loadprogress=function(e){var t=e.currentTarget,r=this.stats;r.loaded=e.loaded,e.lengthComputable&&(r.total=e.total);var a=this.callbacks.onProgress;a&&a(r,this.context,null,t)},e}();r(6);function We(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}!function(e){e.WIDEVINE="com.widevine.alpha",e.PLAYREADY="com.microsoft.playready"}(Be||(Be={}));var Ye=function(e){for(var t=1;t<arguments.length;t++){var r=null!=arguments[t]?arguments[t]:{},a=Object.keys(r);"function"==typeof Object.getOwnPropertySymbols&&(a=a.concat(Object.getOwnPropertySymbols(r).filter((function(e){return Object.getOwnPropertyDescriptor(r,e).enumerable})))),a.forEach((function(t){We(e,t,r[t])}))}return e}({autoStartLoad:!0,startPosition:-1,defaultAudioCodec:void 0,debug:!1,capLevelOnFPSDrop:!1,capLevelToPlayerSize:!1,initialLiveManifestSize:1,maxBufferLength:30,maxBufferSize:6e7,maxBufferHole:.5,lowBufferWatchdogPeriod:.5,highBufferWatchdogPeriod:3,nudgeOffset:.1,nudgeMaxRetry:3,maxFragLookUpTolerance:.25,liveSyncDurationCount:3,liveMaxLatencyDurationCount:1/0,liveSyncDuration:void 0,liveMaxLatencyDuration:void 0,liveDurationInfinity:!1,liveBackBufferLength:1/0,maxMaxBufferLength:600,enableWorker:!0,enableSoftwareAES:!0,manifestLoadingTimeOut:1e4,manifestLoadingMaxRetry:1,manifestLoadingRetryDelay:1e3,manifestLoadingMaxRetryTimeout:64e3,startLevel:void 0,levelLoadingTimeOut:1e4,levelLoadingMaxRetry:4,levelLoadingRetryDelay:1e3,levelLoadingMaxRetryTimeout:64e3,fragLoadingTimeOut:2e4,fragLoadingMaxRetry:6,fragLoadingRetryDelay:1e3,fragLoadingMaxRetryTimeout:64e3,startFragPrefetch:!1,fpsDroppedMonitoringPeriod:5e3,fpsDroppedMonitoringThreshold:.2,appendErrorMaxRetry:3,loader:Ve,fLoader:void 0,pLoader:void 0,xhrSetup:void 0,licenseXhrSetup:void 0,abrController:Ce,bufferController:Fe,capLevelController:Ue,fpsController:Ge,stretchShortVideoTrack:!1,maxAudioFramesDrift:1,forceKeyFrameOnDiscontinuity:!0,abrEwmaFastLive:3,abrEwmaSlowLive:9,abrEwmaFastVoD:3,abrEwmaSlowVoD:9,abrEwmaDefaultEstimate:5e5,abrBandWidthFactor:.95,abrBandWidthUpFactor:.7,abrMaxWithRealBitrate:!1,maxStarvationDelay:4,maxLoadingDelay:4,minAutoBitrate:0,emeEnabled:!1,widevineLicenseUrl:void 0,requestMediaKeySystemAccessFunc:"undefined"!=typeof window&&window.navigator&&window.navigator.requestMediaKeySystemAccess?window.navigator.requestMediaKeySystemAccess.bind(window.navigator):null},{},{subtitleStreamController:void 0,subtitleTrackController:void 0,timelineController:void 0,audioStreamController:void 0,audioTrackController:void 0,emeController:void 0});function ze(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}function Xe(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function qe(e,t){for(var r=0;r<t.length;r++){var a=t[r];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(e,a.key,a)}}function Qe(e,t,r){return t&&qe(e.prototype,t),r&&qe(e,r),e}r.d(t,"default",(function(){return Ze}));var Ze=function(e){var t,r;function a(t){var r;void 0===t&&(t={}),(r=e.call(this)||this).config=void 0,r._autoLevelCapping=void 0,r.abrController=void 0,r.capLevelController=void 0,r.levelController=void 0,r.streamController=void 0,r.networkControllers=void 0,r.audioTrackController=void 0,r.subtitleTrackController=void 0,r.emeController=void 0,r.coreComponents=void 0,r.media=null,r.url=null;var i=a.DefaultConfig;if((t.liveSyncDurationCount||t.liveMaxLatencyDurationCount)&&(t.liveSyncDuration||t.liveMaxLatencyDuration))throw new Error("Illegal hls.js config: don't mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration");r.config=function(e){for(var t=1;t<arguments.length;t++){var r=null!=arguments[t]?arguments[t]:{},a=Object.keys(r);"function"==typeof Object.getOwnPropertySymbols&&(a=a.concat(Object.getOwnPropertySymbols(r).filter((function(e){return Object.getOwnPropertyDescriptor(r,e).enumerable})))),a.forEach((function(t){ze(e,t,r[t])}))}return e}({},i,t);var n=Xe(r).config;if(void 0!==n.liveMaxLatencyDurationCount&&n.liveMaxLatencyDurationCount<=n.liveSyncDurationCount)throw new Error('Illegal hls.js config: "liveMaxLatencyDurationCount" must be gt "liveSyncDurationCount"');if(void 0!==n.liveMaxLatencyDuration&&(void 0===n.liveSyncDuration||n.liveMaxLatencyDuration<=n.liveSyncDuration))throw new Error('Illegal hls.js config: "liveMaxLatencyDuration" must be gt "liveSyncDuration"');Object(d.a)(n.debug),r._autoLevelCapping=-1;var s=r.abrController=new n.abrController(Xe(r)),o=new n.bufferController(Xe(r)),l=r.capLevelController=new n.capLevelController(Xe(r)),u=new n.fpsController(Xe(r)),f=new C(Xe(r)),h=new P(Xe(r)),c=new F(Xe(r)),v=new De(Xe(r)),p=r.levelController=new Ae(Xe(r)),g=new G(Xe(r)),m=[p,r.streamController=new Te(Xe(r),g)],y=n.audioStreamController;y&&m.push(new y(Xe(r),g)),r.networkControllers=m;var b=[f,h,c,s,o,l,u,v,g];if(y=n.audioTrackController){var E=new y(Xe(r));r.audioTrackController=E,b.push(E)}if(y=n.subtitleTrackController){var T=new y(Xe(r));r.subtitleTrackController=T,m.push(T)}if(y=n.emeController){var S=new y(Xe(r));r.emeController=S,b.push(S)}return(y=n.subtitleStreamController)&&m.push(new y(Xe(r),g)),(y=n.timelineController)&&b.push(new y(Xe(r))),r.coreComponents=b,r}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r,a.isSupported=function(){return function(){var e=Y();if(!e)return!1;var t=self.SourceBuffer||self.WebKitSourceBuffer,r=e&&"function"==typeof e.isTypeSupported&&e.isTypeSupported('video/mp4; codecs="avc1.42E01E,mp4a.40.2"'),a=!t||t.prototype&&"function"==typeof t.prototype.appendBuffer&&"function"==typeof t.prototype.remove;return!!r&&!!a}()},Qe(a,null,[{key:"version",get:function(){}},{key:"Events",get:function(){return l.a}},{key:"ErrorTypes",get:function(){return s.b}},{key:"ErrorDetails",get:function(){return s.a}},{key:"DefaultConfig",get:function(){return a.defaultConfig?a.defaultConfig:Ye},set:function(e){a.defaultConfig=e}}]);var i=a.prototype;return i.destroy=function(){d.b.log("destroy"),this.trigger(l.a.DESTROYING),this.detachMedia(),this.coreComponents.concat(this.networkControllers).forEach((function(e){e.destroy()})),this.url=null,this.removeAllListeners(),this._autoLevelCapping=-1},i.attachMedia=function(e){d.b.log("attachMedia"),this.media=e,this.trigger(l.a.MEDIA_ATTACHING,{media:e})},i.detachMedia=function(){d.b.log("detachMedia"),this.trigger(l.a.MEDIA_DETACHING),this.media=null},i.loadSource=function(e){e=n.buildAbsoluteURL(window.location.href,e,{alwaysNormalize:!0}),d.b.log("loadSource:"+e),this.url=e,this.trigger(l.a.MANIFEST_LOADING,{url:e})},i.startLoad=function(e){void 0===e&&(e=-1),d.b.log("startLoad("+e+")"),this.networkControllers.forEach((function(t){t.startLoad(e)}))},i.stopLoad=function(){d.b.log("stopLoad"),this.networkControllers.forEach((function(e){e.stopLoad()}))},i.swapAudioCodec=function(){d.b.log("swapAudioCodec"),this.streamController.swapAudioCodec()},i.recoverMediaError=function(){d.b.log("recoverMediaError");var e=this.media;this.detachMedia(),e&&this.attachMedia(e)},Qe(a,[{key:"levels",get:function(){return this.levelController.levels}},{key:"currentLevel",get:function(){return this.streamController.currentLevel},set:function(e){d.b.log("set currentLevel:"+e),this.loadLevel=e,this.streamController.immediateLevelSwitch()}},{key:"nextLevel",get:function(){return this.streamController.nextLevel},set:function(e){d.b.log("set nextLevel:"+e),this.levelController.manualLevel=e,this.streamController.nextLevelSwitch()}},{key:"loadLevel",get:function(){return this.levelController.level},set:function(e){d.b.log("set loadLevel:"+e),this.levelController.manualLevel=e}},{key:"nextLoadLevel",get:function(){return this.levelController.nextLoadLevel},set:function(e){this.levelController.nextLoadLevel=e}},{key:"firstLevel",get:function(){return Math.max(this.levelController.firstLevel,this.minAutoLevel)},set:function(e){d.b.log("set firstLevel:"+e),this.levelController.firstLevel=e}},{key:"startLevel",get:function(){return this.levelController.startLevel},set:function(e){d.b.log("set startLevel:"+e),-1!==e&&(e=Math.max(e,this.minAutoLevel)),this.levelController.startLevel=e}},{key:"capLevelToPlayerSize",set:function(e){var t=!!e;t!==this.config.capLevelToPlayerSize&&(t?this.capLevelController.startCapping():(this.capLevelController.stopCapping(),this.autoLevelCapping=-1,this.streamController.nextLevelSwitch()),this.config.capLevelToPlayerSize=t)}},{key:"autoLevelCapping",get:function(){return this._autoLevelCapping},set:function(e){d.b.log("set autoLevelCapping:"+e),this._autoLevelCapping=e}},{key:"bandwidthEstimate",get:function(){var e=this.abrController._bwEstimator;return e?e.getEstimate():NaN}},{key:"autoLevelEnabled",get:function(){return-1===this.levelController.manualLevel}},{key:"manualLevel",get:function(){return this.levelController.manualLevel}},{key:"minAutoLevel",get:function(){for(var e=this.levels,t=this.config.minAutoBitrate,r=e?e.length:0,a=0;a<r;a++){if((e[a].realBitrate?Math.max(e[a].realBitrate,e[a].bitrate):e[a].bitrate)>t)return a}return 0}},{key:"maxAutoLevel",get:function(){var e=this.levels,t=this.autoLevelCapping;return-1===t&&e&&e.length?e.length-1:t}},{key:"nextAutoLevel",get:function(){return Math.min(Math.max(this.abrController.nextAutoLevel,this.minAutoLevel),this.maxAutoLevel)},set:function(e){this.abrController.nextAutoLevel=Math.max(this.minAutoLevel,e)}},{key:"audioTracks",get:function(){var e=this.audioTrackController;return e?e.audioTracks:[]}},{key:"audioTrack",get:function(){var e=this.audioTrackController;return e?e.audioTrack:-1},set:function(e){var t=this.audioTrackController;t&&(t.audioTrack=e)}},{key:"liveSyncPosition",get:function(){return this.streamController.liveSyncPosition}},{key:"subtitleTracks",get:function(){var e=this.subtitleTrackController;return e?e.subtitleTracks:[]}},{key:"subtitleTrack",get:function(){var e=this.subtitleTrackController;return e?e.subtitleTrack:-1},set:function(e){var t=this.subtitleTrackController;t&&(t.subtitleTrack=e)}},{key:"subtitleDisplay",get:function(){var e=this.subtitleTrackController;return!!e&&e.subtitleDisplay},set:function(e){var t=this.subtitleTrackController;t&&(t.subtitleDisplay=e)}}]),a}(X);Ze.defaultConfig=void 0}]).default})); +"undefined"!=typeof window&&function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.Hls=t():e.Hls=t()}(this,(function(){return function(e){var t={};function r(a){if(t[a])return t[a].exports;var i=t[a]={i:a,l:!1,exports:{}};return e[a].call(i.exports,i,i.exports,r),i.l=!0,i.exports}return r.m=e,r.c=t,r.d=function(e,t,a){r.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:a})},r.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.t=function(e,t){if(1&t&&(e=r(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var a=Object.create(null);if(r.r(a),Object.defineProperty(a,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var i in e)r.d(a,i,function(t){return e[t]}.bind(null,i));return a},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},r.p="/dist/",r(r.s=13)}([function(e,t,r){"use strict";r.d(t,"a",(function(){return u})),r.d(t,"b",(function(){return f}));var a=r(5);function i(){}var n={trace:i,debug:i,log:i,warn:i,info:i,error:i},s=n;function o(e,t){return t="["+e+"] > "+t}var l=Object(a.a)();function d(e){var t=l.console[e];return t?function(){for(var r=arguments.length,a=new Array(r),i=0;i<r;i++)a[i]=arguments[i];a[0]&&(a[0]=o(e,a[0])),t.apply(l.console,a)}:i}var u=function(e){if(l.console&&!0===e||"object"==typeof e){!function(e){for(var t=arguments.length,r=new Array(t>1?t-1:0),a=1;a<t;a++)r[a-1]=arguments[a];r.forEach((function(t){s[t]=e[t]?e[t].bind(e):d(t)}))}(e,"debug","log","info","warn","error");try{s.log()}catch(e){s=n}}else s=n},f=s},function(e,t,r){"use strict";var a,i=((a={MEDIA_ATTACHING:"hlsMediaAttaching",MEDIA_ATTACHED:"hlsMediaAttached",MEDIA_DETACHING:"hlsMediaDetaching",MEDIA_DETACHED:"hlsMediaDetached",BUFFER_RESET:"hlsBufferReset",BUFFER_CODECS:"hlsBufferCodecs",BUFFER_CREATED:"hlsBufferCreated",BUFFER_APPENDING:"hlsBufferAppending",BUFFER_APPENDED:"hlsBufferAppended",BUFFER_EOS:"hlsBufferEos",BUFFER_FLUSHING:"hlsBufferFlushing",BUFFER_FLUSHED:"hlsBufferFlushed",MANIFEST_LOADING:"hlsManifestLoading",MANIFEST_LOADED:"hlsManifestLoaded",MANIFEST_PARSED:"hlsManifestParsed",LEVEL_SWITCHING:"hlsLevelSwitching",LEVEL_SWITCHED:"hlsLevelSwitched",LEVEL_LOADING:"hlsLevelLoading",LEVEL_LOADED:"hlsLevelLoaded",LEVEL_UPDATED:"hlsLevelUpdated",LEVEL_PTS_UPDATED:"hlsLevelPtsUpdated",LIVE_BACK_BUFFER_REACHED:"hlsLiveBackBufferReached",AUDIO_TRACKS_UPDATED:"hlsAudioTracksUpdated",AUDIO_TRACK_SWITCHING:"hlsAudioTrackSwitching",AUDIO_TRACK_SWITCHED:"hlsAudioTrackSwitched",AUDIO_TRACK_LOADING:"hlsAudioTrackLoading",AUDIO_TRACK_LOADED:"hlsAudioTrackLoaded",SUBTITLE_TRACKS_UPDATED:"hlsSubtitleTracksUpdated",SUBTITLE_TRACK_SWITCH:"hlsSubtitleTrackSwitch",SUBTITLE_TRACK_LOADING:"hlsSubtitleTrackLoading",SUBTITLE_TRACK_LOADED:"hlsSubtitleTrackLoaded",SUBTITLE_FRAG_PROCESSED:"hlsSubtitleFragProcessed",INIT_PTS_FOUND:"hlsInitPtsFound",FRAG_LOADING:"hlsFragLoading",FRAG_LOAD_PROGRESS:"hlsFragLoadProgress",FRAG_LOAD_EMERGENCY_ABORTED:"hlsFragLoadEmergencyAborted",FRAG_LOADED:"hlsFragLoaded",FRAG_DECRYPTED:"hlsFragDecrypted",FRAG_PARSING_INIT_SEGMENT:"hlsFragParsingInitSegment",FRAG_PARSING_USERDATA:"hlsFragParsingUserdata",FRAG_PARSING_METADATA:"hlsFragParsingMetadata",FRAG_PARSING_DATA:"hlsFragParsingData",FRAG_PARSED:"hlsFragParsed",FRAG_BUFFERED:"hlsFragBuffered",FRAG_CHANGED:"hlsFragChanged",FPS_DROP:"hlsFpsDrop",FPS_DROP_LEVEL_CAPPING:"hlsFpsDropLevelCapping",ERROR:"hlsError",DESTROYING:"hlsDestroying",KEY_LOADING:"hlsKeyLoading",KEY_LOADED:"hlsKeyLoaded",STREAM_STATE_TRANSITION:"hlsStreamStateTransition"}).LIVE_BACK_BUFFER_REACHED="hlsLiveBackBufferReached",a.CAN_PLAY_AFTER_SEEK="hlsCanPlayAfterSeek",a);t.a=i},function(e,t,r){"use strict";var a,i;r.d(t,"b",(function(){return a})),r.d(t,"a",(function(){return i})),function(e){e.NETWORK_ERROR="networkError",e.MEDIA_ERROR="mediaError",e.KEY_SYSTEM_ERROR="keySystemError",e.MUX_ERROR="muxError",e.OTHER_ERROR="otherError"}(a||(a={})),function(e){e.KEY_SYSTEM_NO_KEYS="keySystemNoKeys",e.KEY_SYSTEM_NO_ACCESS="keySystemNoAccess",e.KEY_SYSTEM_NO_SESSION="keySystemNoSession",e.KEY_SYSTEM_LICENSE_REQUEST_FAILED="keySystemLicenseRequestFailed",e.KEY_SYSTEM_NO_INIT_DATA="keySystemNoInitData",e.MANIFEST_LOAD_ERROR="manifestLoadError",e.MANIFEST_LOAD_TIMEOUT="manifestLoadTimeOut",e.MANIFEST_PARSING_ERROR="manifestParsingError",e.MANIFEST_INCOMPATIBLE_CODECS_ERROR="manifestIncompatibleCodecsError",e.LEVEL_LOAD_ERROR="levelLoadError",e.LEVEL_LOAD_TIMEOUT="levelLoadTimeOut",e.LEVEL_SWITCH_ERROR="levelSwitchError",e.AUDIO_TRACK_LOAD_ERROR="audioTrackLoadError",e.AUDIO_TRACK_LOAD_TIMEOUT="audioTrackLoadTimeOut",e.FRAG_LOAD_ERROR="fragLoadError",e.FRAG_LOAD_TIMEOUT="fragLoadTimeOut",e.FRAG_DECRYPT_ERROR="fragDecryptError",e.FRAG_PARSING_ERROR="fragParsingError",e.REMUX_ALLOC_ERROR="remuxAllocError",e.KEY_LOAD_ERROR="keyLoadError",e.KEY_LOAD_TIMEOUT="keyLoadTimeOut",e.BUFFER_ADD_CODEC_ERROR="bufferAddCodecError",e.BUFFER_APPEND_ERROR="bufferAppendError",e.BUFFER_APPENDING_ERROR="bufferAppendingError",e.BUFFER_STALLED_ERROR="bufferStalledError",e.BUFFER_FULL_ERROR="bufferFullError",e.BUFFER_SEEK_OVER_HOLE="bufferSeekOverHole",e.BUFFER_NUDGE_ON_STALL="bufferNudgeOnStall",e.INTERNAL_EXCEPTION="internalException"}(i||(i={}))},function(e,t,r){"use strict";r.d(t,"a",(function(){return a}));var a=Number.isFinite||function(e){return"number"==typeof e&&isFinite(e)}},function(e,t,r){"use strict";r.d(t,"b",(function(){return o}));var a,i=r(5),n=function(){function e(){}return e.isHeader=function(e,t){return t+10<=e.length&&73===e[t]&&68===e[t+1]&&51===e[t+2]&&e[t+3]<255&&e[t+4]<255&&e[t+6]<128&&e[t+7]<128&&e[t+8]<128&&e[t+9]<128},e.isFooter=function(e,t){return t+10<=e.length&&51===e[t]&&68===e[t+1]&&73===e[t+2]&&e[t+3]<255&&e[t+4]<255&&e[t+6]<128&&e[t+7]<128&&e[t+8]<128&&e[t+9]<128},e.getID3Data=function(t,r){for(var a=r,i=0;e.isHeader(t,r);){i+=10,i+=e._readSize(t,r+6),e.isFooter(t,r+10)&&(i+=10),r+=i}if(i>0)return t.subarray(a,a+i)},e._readSize=function(e,t){var r=0;return r=(127&e[t])<<21,r|=(127&e[t+1])<<14,r|=(127&e[t+2])<<7,r|=127&e[t+3]},e.getTimeStamp=function(t){for(var r=e.getID3Frames(t),a=0;a<r.length;a++){var i=r[a];if(e.isTimeStampFrame(i))return e._readTimeStamp(i)}},e.isTimeStampFrame=function(e){return e&&"PRIV"===e.key&&"com.apple.streaming.transportStreamTimestamp"===e.info},e._getFrameData=function(t){var r=String.fromCharCode(t[0],t[1],t[2],t[3]),a=e._readSize(t,4);return{type:r,size:a,data:t.subarray(10,10+a)}},e.getID3Frames=function(t){for(var r=0,a=[];e.isHeader(t,r);){for(var i=e._readSize(t,r+6),n=(r+=10)+i;r+8<n;){var s=e._getFrameData(t.subarray(r)),o=e._decodeFrame(s);o&&a.push(o),r+=s.size+10}e.isFooter(t,r)&&(r+=10)}return a},e._decodeFrame=function(t){return"PRIV"===t.type?e._decodePrivFrame(t):"T"===t.type[0]?e._decodeTextFrame(t):"W"===t.type[0]?e._decodeURLFrame(t):void 0},e._readTimeStamp=function(e){if(8===e.data.byteLength){var t=new Uint8Array(e.data),r=1&t[3],a=(t[4]<<23)+(t[5]<<15)+(t[6]<<7)+t[7];return a/=45,r&&(a+=47721858.84),Math.round(a)}},e._decodePrivFrame=function(t){if(!(t.size<2)){var r=e._utf8ArrayToStr(t.data,!0),a=new Uint8Array(t.data.subarray(r.length+1));return{key:t.type,info:r,data:a.buffer}}},e._decodeTextFrame=function(t){if(!(t.size<2)){if("TXXX"===t.type){var r=1,a=e._utf8ArrayToStr(t.data.subarray(r),!0);r+=a.length+1;var i=e._utf8ArrayToStr(t.data.subarray(r));return{key:t.type,info:a,data:i}}var n=e._utf8ArrayToStr(t.data.subarray(1));return{key:t.type,data:n}}},e._decodeURLFrame=function(t){if("WXXX"===t.type){if(t.size<2)return;var r=1,a=e._utf8ArrayToStr(t.data.subarray(r));r+=a.length+1;var i=e._utf8ArrayToStr(t.data.subarray(r));return{key:t.type,info:a,data:i}}var n=e._utf8ArrayToStr(t.data);return{key:t.type,data:n}},e._utf8ArrayToStr=function(e,t){void 0===t&&(t=!1);var r=s();if(r){var a=r.decode(e);if(t){var i=a.indexOf("\0");return-1!==i?a.substring(0,i):a}return a.replace(/\0/g,"")}for(var n,o,l,d=e.length,u="",f=0;f<d;){if(0===(n=e[f++])&&t)return u;if(0!==n&&3!==n)switch(n>>4){case 0:case 1:case 2:case 3:case 4:case 5:case 6:case 7:u+=String.fromCharCode(n);break;case 12:case 13:o=e[f++],u+=String.fromCharCode((31&n)<<6|63&o);break;case 14:o=e[f++],l=e[f++],u+=String.fromCharCode((15&n)<<12|(63&o)<<6|(63&l)<<0)}}return u},e}();function s(){var e=Object(i.a)();return a||void 0===e.TextDecoder||(a=new e.TextDecoder("utf-8")),a}var o=n._utf8ArrayToStr;t.a=n},function(e,t,r){"use strict";function a(){return"undefined"==typeof window?self:window}r.d(t,"a",(function(){return a}))},function(e,t){e.exports=void 0},function(e,t,r){var a,i,n,s,o;a=/^((?:[a-zA-Z0-9+\-.]+:)?)(\/\/[^\/?#]*)?((?:[^\/\?#]*\/)*.*?)??(;.*?)?(\?.*?)?(#.*?)?$/,i=/^([^\/?#]*)(.*)$/,n=/(?:\/|^)\.(?=\/)/g,s=/(?:\/|^)\.\.\/(?!\.\.\/).*?(?=\/)/g,o={buildAbsoluteURL:function(e,t,r){if(r=r||{},e=e.trim(),!(t=t.trim())){if(!r.alwaysNormalize)return e;var a=o.parseURL(e);if(!a)throw new Error("Error trying to parse base URL.");return a.path=o.normalizePath(a.path),o.buildURLFromParts(a)}var n=o.parseURL(t);if(!n)throw new Error("Error trying to parse relative URL.");if(n.scheme)return r.alwaysNormalize?(n.path=o.normalizePath(n.path),o.buildURLFromParts(n)):t;var s=o.parseURL(e);if(!s)throw new Error("Error trying to parse base URL.");if(!s.netLoc&&s.path&&"/"!==s.path[0]){var l=i.exec(s.path);s.netLoc=l[1],s.path=l[2]}s.netLoc&&!s.path&&(s.path="/");var d={scheme:s.scheme,netLoc:n.netLoc,path:null,params:n.params,query:n.query,fragment:n.fragment};if(!n.netLoc&&(d.netLoc=s.netLoc,"/"!==n.path[0]))if(n.path){var u=s.path,f=u.substring(0,u.lastIndexOf("/")+1)+n.path;d.path=o.normalizePath(f)}else d.path=s.path,n.params||(d.params=s.params,n.query||(d.query=s.query));return null===d.path&&(d.path=r.alwaysNormalize?o.normalizePath(n.path):n.path),o.buildURLFromParts(d)},parseURL:function(e){var t=a.exec(e);return t?{scheme:t[1]||"",netLoc:t[2]||"",path:t[3]||"",params:t[4]||"",query:t[5]||"",fragment:t[6]||""}:null},normalizePath:function(e){for(e=e.split("").reverse().join("").replace(n,"");e.length!==(e=e.replace(s,"")).length;);return e.split("").reverse().join("")},buildURLFromParts:function(e){return e.scheme+e.netLoc+e.path+e.params+e.query+e.fragment}},e.exports=o},function(e,t,r){"use strict";var a=Object.prototype.hasOwnProperty,i="~";function n(){}function s(e,t,r){this.fn=e,this.context=t,this.once=r||!1}function o(e,t,r,a,n){if("function"!=typeof r)throw new TypeError("The listener must be a function");var o=new s(r,a||e,n),l=i?i+t:t;return e._events[l]?e._events[l].fn?e._events[l]=[e._events[l],o]:e._events[l].push(o):(e._events[l]=o,e._eventsCount++),e}function l(e,t){0==--e._eventsCount?e._events=new n:delete e._events[t]}function d(){this._events=new n,this._eventsCount=0}Object.create&&(n.prototype=Object.create(null),(new n).__proto__||(i=!1)),d.prototype.eventNames=function(){var e,t,r=[];if(0===this._eventsCount)return r;for(t in e=this._events)a.call(e,t)&&r.push(i?t.slice(1):t);return Object.getOwnPropertySymbols?r.concat(Object.getOwnPropertySymbols(e)):r},d.prototype.listeners=function(e){var t=i?i+e:e,r=this._events[t];if(!r)return[];if(r.fn)return[r.fn];for(var a=0,n=r.length,s=new Array(n);a<n;a++)s[a]=r[a].fn;return s},d.prototype.listenerCount=function(e){var t=i?i+e:e,r=this._events[t];return r?r.fn?1:r.length:0},d.prototype.emit=function(e,t,r,a,n,s){var o=i?i+e:e;if(!this._events[o])return!1;var l,d,u=this._events[o],f=arguments.length;if(u.fn){switch(u.once&&this.removeListener(e,u.fn,void 0,!0),f){case 1:return u.fn.call(u.context),!0;case 2:return u.fn.call(u.context,t),!0;case 3:return u.fn.call(u.context,t,r),!0;case 4:return u.fn.call(u.context,t,r,a),!0;case 5:return u.fn.call(u.context,t,r,a,n),!0;case 6:return u.fn.call(u.context,t,r,a,n,s),!0}for(d=1,l=new Array(f-1);d<f;d++)l[d-1]=arguments[d];u.fn.apply(u.context,l)}else{var h,c=u.length;for(d=0;d<c;d++)switch(u[d].once&&this.removeListener(e,u[d].fn,void 0,!0),f){case 1:u[d].fn.call(u[d].context);break;case 2:u[d].fn.call(u[d].context,t);break;case 3:u[d].fn.call(u[d].context,t,r);break;case 4:u[d].fn.call(u[d].context,t,r,a);break;default:if(!l)for(h=1,l=new Array(f-1);h<f;h++)l[h-1]=arguments[h];u[d].fn.apply(u[d].context,l)}}return!0},d.prototype.on=function(e,t,r){return o(this,e,t,r,!1)},d.prototype.once=function(e,t,r){return o(this,e,t,r,!0)},d.prototype.removeListener=function(e,t,r,a){var n=i?i+e:e;if(!this._events[n])return this;if(!t)return l(this,n),this;var s=this._events[n];if(s.fn)s.fn!==t||a&&!s.once||r&&s.context!==r||l(this,n);else{for(var o=0,d=[],u=s.length;o<u;o++)(s[o].fn!==t||a&&!s[o].once||r&&s[o].context!==r)&&d.push(s[o]);d.length?this._events[n]=1===d.length?d[0]:d:l(this,n)}return this},d.prototype.removeAllListeners=function(e){var t;return e?(t=i?i+e:e,this._events[t]&&l(this,t)):(this._events=new n,this._eventsCount=0),this},d.prototype.off=d.prototype.removeListener,d.prototype.addListener=d.prototype.on,d.prefixed=i,d.EventEmitter=d,e.exports=d},function(e,t,r){"use strict";var a=r(1),i=r(2),n=function(){function e(e,t){this.subtle=e,this.aesIV=t}return e.prototype.decrypt=function(e,t){return this.subtle.decrypt({name:"AES-CBC",iv:this.aesIV},t,e)},e}(),s=function(){function e(e,t){this.subtle=e,this.key=t}return e.prototype.expandKey=function(){return this.subtle.importKey("raw",this.key,{name:"AES-CBC"},!1,["encrypt","decrypt"])},e}();var o=function(){function e(){this.rcon=[0,1,2,4,8,16,32,64,128,27,54],this.subMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.invSubMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.sBox=new Uint32Array(256),this.invSBox=new Uint32Array(256),this.key=new Uint32Array(0),this.initTable()}var t=e.prototype;return t.uint8ArrayToUint32Array_=function(e){for(var t=new DataView(e),r=new Uint32Array(4),a=0;a<4;a++)r[a]=t.getUint32(4*a);return r},t.initTable=function(){var e=this.sBox,t=this.invSBox,r=this.subMix,a=r[0],i=r[1],n=r[2],s=r[3],o=this.invSubMix,l=o[0],d=o[1],u=o[2],f=o[3],h=new Uint32Array(256),c=0,v=0,p=0;for(p=0;p<256;p++)h[p]=p<128?p<<1:p<<1^283;for(p=0;p<256;p++){var g=v^v<<1^v<<2^v<<3^v<<4;g=g>>>8^255&g^99,e[c]=g,t[g]=c;var m=h[c],y=h[m],b=h[y],E=257*h[g]^16843008*g;a[c]=E<<24|E>>>8,i[c]=E<<16|E>>>16,n[c]=E<<8|E>>>24,s[c]=E,E=16843009*b^65537*y^257*m^16843008*c,l[g]=E<<24|E>>>8,d[g]=E<<16|E>>>16,u[g]=E<<8|E>>>24,f[g]=E,c?(c=m^h[h[h[b^m]]],v^=h[h[v]]):c=v=1}},t.expandKey=function(e){for(var t=this.uint8ArrayToUint32Array_(e),r=!0,a=0;a<t.length&&r;)r=t[a]===this.key[a],a++;if(!r){this.key=t;var i=this.keySize=t.length;if(4!==i&&6!==i&&8!==i)throw new Error("Invalid aes key size="+i);var n,s,o,l,d=this.ksRows=4*(i+6+1),u=this.keySchedule=new Uint32Array(d),f=this.invKeySchedule=new Uint32Array(d),h=this.sBox,c=this.rcon,v=this.invSubMix,p=v[0],g=v[1],m=v[2],y=v[3];for(n=0;n<d;n++)n<i?o=u[n]=t[n]:(l=o,n%i==0?(l=h[(l=l<<8|l>>>24)>>>24]<<24|h[l>>>16&255]<<16|h[l>>>8&255]<<8|h[255&l],l^=c[n/i|0]<<24):i>6&&n%i==4&&(l=h[l>>>24]<<24|h[l>>>16&255]<<16|h[l>>>8&255]<<8|h[255&l]),u[n]=o=(u[n-i]^l)>>>0);for(s=0;s<d;s++)n=d-s,l=3&s?u[n]:u[n-4],f[s]=s<4||n<=4?l:p[h[l>>>24]]^g[h[l>>>16&255]]^m[h[l>>>8&255]]^y[h[255&l]],f[s]=f[s]>>>0}},t.networkToHostOrderSwap=function(e){return e<<24|(65280&e)<<8|(16711680&e)>>8|e>>>24},t.decrypt=function(e,t,r,a){for(var i,n,s,o,l,d,u,f,h,c,v,p,g,m,y,b,E,T=this.keySize+6,S=this.invKeySchedule,_=this.invSBox,A=this.invSubMix,R=A[0],L=A[1],w=A[2],D=A[3],k=this.uint8ArrayToUint32Array_(r),O=k[0],x=k[1],I=k[2],C=k[3],P=new Int32Array(e),F=new Int32Array(P.length),M=this.networkToHostOrderSwap;t<P.length;){for(h=M(P[t]),c=M(P[t+1]),v=M(P[t+2]),p=M(P[t+3]),l=h^S[0],d=p^S[1],u=v^S[2],f=c^S[3],g=4,m=1;m<T;m++)i=R[l>>>24]^L[d>>16&255]^w[u>>8&255]^D[255&f]^S[g],n=R[d>>>24]^L[u>>16&255]^w[f>>8&255]^D[255&l]^S[g+1],s=R[u>>>24]^L[f>>16&255]^w[l>>8&255]^D[255&d]^S[g+2],o=R[f>>>24]^L[l>>16&255]^w[d>>8&255]^D[255&u]^S[g+3],l=i,d=n,u=s,f=o,g+=4;i=_[l>>>24]<<24^_[d>>16&255]<<16^_[u>>8&255]<<8^_[255&f]^S[g],n=_[d>>>24]<<24^_[u>>16&255]<<16^_[f>>8&255]<<8^_[255&l]^S[g+1],s=_[u>>>24]<<24^_[f>>16&255]<<16^_[l>>8&255]<<8^_[255&d]^S[g+2],o=_[f>>>24]<<24^_[l>>16&255]<<16^_[d>>8&255]<<8^_[255&u]^S[g+3],g+=3,F[t]=M(i^O),F[t+1]=M(o^x),F[t+2]=M(s^I),F[t+3]=M(n^C),O=h,x=c,I=v,C=p,t+=4}return a?(y=F.buffer,b=y.byteLength,(E=b&&new DataView(y).getUint8(b-1))?y.slice(0,b-E):y):F.buffer},t.destroy=function(){this.key=void 0,this.keySize=void 0,this.ksRows=void 0,this.sBox=void 0,this.invSBox=void 0,this.subMix=void 0,this.invSubMix=void 0,this.keySchedule=void 0,this.invKeySchedule=void 0,this.rcon=void 0},e}(),l=r(0),d=r(5),u=Object(d.a)(),f=function(){function e(e,t,r){var a=(void 0===r?{}:r).removePKCS7Padding,i=void 0===a||a;if(this.logEnabled=!0,this.observer=e,this.config=t,this.removePKCS7Padding=i,i)try{var n=u.crypto;n&&(this.subtle=n.subtle||n.webkitSubtle)}catch(e){}this.disableWebCrypto=!this.subtle}var t=e.prototype;return t.isSync=function(){return this.disableWebCrypto&&this.config.enableSoftwareAES},t.decrypt=function(e,t,r,a){var i=this;if(this.disableWebCrypto&&this.config.enableSoftwareAES){this.logEnabled&&(l.b.log("JS AES decrypt"),this.logEnabled=!1);var d=this.decryptor;d||(this.decryptor=d=new o),d.expandKey(t),a(d.decrypt(e,0,r,this.removePKCS7Padding))}else{this.logEnabled&&(l.b.log("WebCrypto AES decrypt"),this.logEnabled=!1);var u=this.subtle;this.key!==t&&(this.key=t,this.fastAesKey=new s(u,t)),this.fastAesKey.expandKey().then((function(s){new n(u,r).decrypt(e,s).catch((function(n){i.onWebCryptoError(n,e,t,r,a)})).then((function(e){a(e)}))})).catch((function(n){i.onWebCryptoError(n,e,t,r,a)}))}},t.onWebCryptoError=function(e,t,r,n,s){this.config.enableSoftwareAES?(l.b.log("WebCrypto Error, disable WebCrypto API"),this.disableWebCrypto=!0,this.logEnabled=!0,this.decrypt(t,r,n,s)):(l.b.error("decrypting error : "+e.message),this.observer.trigger(a.a.ERROR,{type:i.b.MEDIA_ERROR,details:i.a.FRAG_DECRYPT_ERROR,fatal:!0,reason:e.message}))},t.destroy=function(){var e=this.decryptor;e&&(e.destroy(),this.decryptor=void 0)},e}(),h=r(3);function c(e,t){return 255===e[t]&&240==(246&e[t+1])}function v(e,t){return 1&e[t+1]?7:9}function p(e,t){return(3&e[t+3])<<11|e[t+4]<<3|(224&e[t+5])>>>5}function g(e,t){return!!(t+1<e.length&&c(e,t))}function m(e,t){if(g(e,t)){var r=v(e,t);t+5<e.length&&(r=p(e,t));var a=t+r;if(a===e.length||a+1<e.length&&c(e,a))return!0}return!1}function y(e,t,r,n,s){if(!e.samplerate){var o=function(e,t,r,n){var s,o,d,u,f,h=navigator.userAgent.toLowerCase(),c=n,v=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350];if(s=1+((192&t[r+2])>>>6),!((o=(60&t[r+2])>>>2)>v.length-1))return u=(1&t[r+2])<<2,u|=(192&t[r+3])>>>6,l.b.log("manifest codec:"+n+",ADTS data:type:"+s+",sampleingIndex:"+o+"["+v[o]+"Hz],channelConfig:"+u),/firefox/i.test(h)?o>=6?(s=5,f=new Array(4),d=o-3):(s=2,f=new Array(2),d=o):-1!==h.indexOf("android")?(s=2,f=new Array(2),d=o):(s=5,f=new Array(4),n&&(-1!==n.indexOf("mp4a.40.29")||-1!==n.indexOf("mp4a.40.5"))||!n&&o>=6?d=o-3:((n&&-1!==n.indexOf("mp4a.40.2")&&(o>=6&&1===u||/vivaldi/i.test(h))||!n&&1===u)&&(s=2,f=new Array(2)),d=o)),f[0]=s<<3,f[0]|=(14&o)>>1,f[1]|=(1&o)<<7,f[1]|=u<<3,5===s&&(f[1]|=(14&d)>>1,f[2]=(1&d)<<7,f[2]|=8,f[3]=0),{config:f,samplerate:v[o],channelCount:u,codec:"mp4a.40."+s,manifestCodec:c};e.trigger(a.a.ERROR,{type:i.b.MEDIA_ERROR,details:i.a.FRAG_PARSING_ERROR,fatal:!0,reason:"invalid ADTS sampling index:"+o})}(t,r,n,s);e.config=o.config,e.samplerate=o.samplerate,e.channelCount=o.channelCount,e.codec=o.codec,e.manifestCodec=o.manifestCodec,l.b.log("parsed codec:"+e.codec+",rate:"+o.samplerate+",nb channel:"+o.channelCount)}}function b(e){return 9216e4/e}function E(e,t,r,a,i){var n=function(e,t,r,a,i){var n,s,o=e.length;if(n=v(e,t),s=p(e,t),(s-=n)>0&&t+n+s<=o)return{headerLength:n,frameLength:s,stamp:r+a*i}}(t,r,a,i,b(e.samplerate));if(n){var s=n.stamp,o=n.headerLength,l=n.frameLength,d={unit:t.subarray(r+o,r+o+l),pts:s,dts:s};return e.samples.push(d),{sample:d,length:l+o}}}var T=r(4),S=function(){function e(e,t,r){this.observer=e,this.config=r,this.remuxer=t}var t=e.prototype;return t.resetInitSegment=function(e,t,r,a){this._audioTrack={container:"audio/adts",type:"audio",id:0,sequenceNumber:0,isAAC:!0,samples:[],len:0,manifestCodec:t,duration:a,inputTimeScale:9e4}},t.resetTimeStamp=function(){},e.probe=function(e){if(!e)return!1;for(var t=(T.a.getID3Data(e,0)||[]).length,r=e.length;t<r;t++)if(m(e,t))return l.b.log("ADTS sync word found !"),!0;return!1},t.append=function(e,t,r,a){for(var i=this._audioTrack,n=T.a.getID3Data(e,0)||[],s=T.a.getTimeStamp(n),o=Object(h.a)(s)?90*s:9e4*t,d=0,u=o,f=e.length,c=n.length,v=[{pts:u,dts:u,data:n}];c<f-1;)if(g(e,c)&&c+5<f){y(i,this.observer,e,c,i.manifestCodec);var p=E(i,e,c,o,d);if(!p){l.b.log("Unable to parse AAC frame");break}c+=p.length,u=p.sample.pts,d++}else T.a.isHeader(e,c)?(n=T.a.getID3Data(e,c),v.push({pts:u,dts:u,data:n}),c+=n.length):c++;this.remuxer.remux(i,{samples:[]},{samples:v,inputTimeScale:9e4},{samples:[]},t,r,a)},t.destroy=function(){},e}(),_=r(10),A={BitratesMap:[32,64,96,128,160,192,224,256,288,320,352,384,416,448,32,48,56,64,80,96,112,128,160,192,224,256,320,384,32,40,48,56,64,80,96,112,128,160,192,224,256,320,32,48,56,64,80,96,112,128,144,160,176,192,224,256,8,16,24,32,40,48,56,64,80,96,112,128,144,160],SamplingRateMap:[44100,48e3,32e3,22050,24e3,16e3,11025,12e3,8e3],SamplesCoefficients:[[0,72,144,12],[0,0,0,0],[0,72,144,12],[0,144,144,12]],BytesInSlot:[0,1,1,4],appendFrame:function(e,t,r,a,i){if(!(r+24>t.length)){var n=this.parseHeader(t,r);if(n&&r+n.frameLength<=t.length){var s=a+i*(9e4*n.samplesPerFrame/n.sampleRate),o={unit:t.subarray(r,r+n.frameLength),pts:s,dts:s};return e.config=[],e.channelCount=n.channelCount,e.samplerate=n.sampleRate,e.samples.push(o),{sample:o,length:n.frameLength}}}},parseHeader:function(e,t){var r=e[t+1]>>3&3,a=e[t+1]>>1&3,i=e[t+2]>>4&15,n=e[t+2]>>2&3,s=e[t+2]>>1&1;if(1!==r&&0!==i&&15!==i&&3!==n){var o=3===r?3-a:3===a?3:4,l=1e3*A.BitratesMap[14*o+i-1],d=3===r?0:2===r?1:2,u=A.SamplingRateMap[3*d+n],f=e[t+3]>>6==3?1:2,h=A.SamplesCoefficients[r][a],c=A.BytesInSlot[a],v=8*h*c;return{sampleRate:u,channelCount:f,frameLength:parseInt(h*l/u+s,10)*c,samplesPerFrame:v}}},isHeaderPattern:function(e,t){return 255===e[t]&&224==(224&e[t+1])&&0!=(6&e[t+1])},isHeader:function(e,t){return!!(t+1<e.length&&this.isHeaderPattern(e,t))},probe:function(e,t){if(t+1<e.length&&this.isHeaderPattern(e,t)){var r=this.parseHeader(e,t),a=4;r&&r.frameLength&&(a=r.frameLength);var i=t+a;if(i===e.length||i+1<e.length&&this.isHeaderPattern(e,i))return!0}return!1}},R=A,L=function(){function e(e){this.data=e,this.bytesAvailable=e.byteLength,this.word=0,this.bitsAvailable=0}var t=e.prototype;return t.loadWord=function(){var e=this.data,t=this.bytesAvailable,r=e.byteLength-t,a=new Uint8Array(4),i=Math.min(4,t);if(0===i)throw new Error("no bytes available");a.set(e.subarray(r,r+i)),this.word=new DataView(a.buffer).getUint32(0),this.bitsAvailable=8*i,this.bytesAvailable-=i},t.skipBits=function(e){var t;this.bitsAvailable>e?(this.word<<=e,this.bitsAvailable-=e):(e-=this.bitsAvailable,e-=(t=e>>3)>>3,this.bytesAvailable-=t,this.loadWord(),this.word<<=e,this.bitsAvailable-=e)},t.readBits=function(e){var t=Math.min(this.bitsAvailable,e),r=this.word>>>32-t;return e>32&&l.b.error("Cannot read more than 32 bits at a time"),this.bitsAvailable-=t,this.bitsAvailable>0?this.word<<=t:this.bytesAvailable>0&&this.loadWord(),(t=e-t)>0&&this.bitsAvailable?r<<t|this.readBits(t):r},t.skipLZ=function(){var e;for(e=0;e<this.bitsAvailable;++e)if(0!=(this.word&2147483648>>>e))return this.word<<=e,this.bitsAvailable-=e,e;return this.loadWord(),e+this.skipLZ()},t.skipUEG=function(){this.skipBits(1+this.skipLZ())},t.skipEG=function(){this.skipBits(1+this.skipLZ())},t.readUEG=function(){var e=this.skipLZ();return this.readBits(e+1)-1},t.readEG=function(){var e=this.readUEG();return 1&e?1+e>>>1:-1*(e>>>1)},t.readBoolean=function(){return 1===this.readBits(1)},t.readUByte=function(){return this.readBits(8)},t.readUShort=function(){return this.readBits(16)},t.readUInt=function(){return this.readBits(32)},t.skipScalingList=function(e){var t,r=8,a=8;for(t=0;t<e;t++)0!==a&&(a=(r+this.readEG()+256)%256),r=0===a?r:a},t.readSPS=function(){var e,t,r,a,i,n,s,o=0,l=0,d=0,u=0,f=this.readUByte.bind(this),h=this.readBits.bind(this),c=this.readUEG.bind(this),v=this.readBoolean.bind(this),p=this.skipBits.bind(this),g=this.skipEG.bind(this),m=this.skipUEG.bind(this),y=this.skipScalingList.bind(this);if(f(),e=f(),h(5),p(3),f(),m(),100===e||110===e||122===e||244===e||44===e||83===e||86===e||118===e||128===e){var b=c();if(3===b&&p(1),m(),m(),p(1),v())for(n=3!==b?8:12,s=0;s<n;s++)v()&&y(s<6?16:64)}m();var E=c();if(0===E)c();else if(1===E)for(p(1),g(),g(),t=c(),s=0;s<t;s++)g();m(),p(1),r=c(),a=c(),0===(i=h(1))&&p(1),p(1),v()&&(o=c(),l=c(),d=c(),u=c());var T=[1,1];if(v()&&v())switch(f()){case 1:T=[1,1];break;case 2:T=[12,11];break;case 3:T=[10,11];break;case 4:T=[16,11];break;case 5:T=[40,33];break;case 6:T=[24,11];break;case 7:T=[20,11];break;case 8:T=[32,11];break;case 9:T=[80,33];break;case 10:T=[18,11];break;case 11:T=[15,11];break;case 12:T=[64,33];break;case 13:T=[160,99];break;case 14:T=[4,3];break;case 15:T=[3,2];break;case 16:T=[2,1];break;case 255:T=[f()<<8|f(),f()<<8|f()]}return{width:Math.ceil(16*(r+1)-2*o-2*l),height:(2-i)*(a+1)*16-(i?2:4)*(d+u),pixelRatio:T}},t.readSliceType=function(){return this.readUByte(),this.readUEG(),this.readUEG()},e}(),w=function(){function e(e,t,r,a){this.decryptdata=r,this.discardEPB=a,this.decrypter=new f(e,t,{removePKCS7Padding:!1})}var t=e.prototype;return t.decryptBuffer=function(e,t){this.decrypter.decrypt(e,this.decryptdata.key.buffer,this.decryptdata.iv.buffer,t)},t.decryptAacSample=function(e,t,r,a){var i=e[t].unit,n=i.subarray(16,i.length-i.length%16),s=n.buffer.slice(n.byteOffset,n.byteOffset+n.length),o=this;this.decryptBuffer(s,(function(n){n=new Uint8Array(n),i.set(n,16),a||o.decryptAacSamples(e,t+1,r)}))},t.decryptAacSamples=function(e,t,r){for(;;t++){if(t>=e.length)return void r();if(!(e[t].unit.length<32)){var a=this.decrypter.isSync();if(this.decryptAacSample(e,t,r,a),!a)return}}},t.getAvcEncryptedData=function(e){for(var t=16*Math.floor((e.length-48)/160)+16,r=new Int8Array(t),a=0,i=32;i<=e.length-16;i+=160,a+=16)r.set(e.subarray(i,i+16),a);return r},t.getAvcDecryptedUnit=function(e,t){t=new Uint8Array(t);for(var r=0,a=32;a<=e.length-16;a+=160,r+=16)e.set(t.subarray(r,r+16),a);return e},t.decryptAvcSample=function(e,t,r,a,i,n){var s=this.discardEPB(i.data),o=this.getAvcEncryptedData(s),l=this;this.decryptBuffer(o.buffer,(function(o){i.data=l.getAvcDecryptedUnit(s,o),n||l.decryptAvcSamples(e,t,r+1,a)}))},t.decryptAvcSamples=function(e,t,r,a){for(;;t++,r=0){if(t>=e.length)return void a();for(var i=e[t].units;!(r>=i.length);r++){var n=i[r];if(!(n.length<=48||1!==n.type&&5!==n.type)){var s=this.decrypter.isSync();if(this.decryptAvcSample(e,t,r,a,n,s),!s)return}}}},e}(),D={video:1,audio:2,id3:3,text:4},k=function(){function e(e,t,r,a){this.observer=e,this.config=r,this.typeSupported=a,this.remuxer=t,this.sampleAes=null}var t=e.prototype;return t.setDecryptData=function(e){null!=e&&null!=e.key&&"SAMPLE-AES"===e.method?this.sampleAes=new w(this.observer,this.config,e,this.discardEPB):this.sampleAes=null},e.probe=function(t){var r=e._syncOffset(t);return!(r<0)&&(r&&l.b.warn("MPEG2-TS detected but first sync word found @ offset "+r+", junk ahead ?"),!0)},e._syncOffset=function(e){for(var t=Math.min(1e3,e.length-564),r=0;r<t;){if(71===e[r]&&71===e[r+188]&&71===e[r+376])return r;r++}return-1},e.createTrack=function(e,t){return{container:"video"===e||"audio"===e?"video/mp2t":void 0,type:e,id:D[e],pid:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],dropped:"video"===e?0:void 0,isAAC:"audio"===e||void 0,duration:"audio"===e?t:void 0}},t.resetInitSegment=function(t,r,a,i){this.pmtParsed=!1,this._pmtId=-1,this._avcTrack=e.createTrack("video",i),this._audioTrack=e.createTrack("audio",i),this._id3Track=e.createTrack("id3",i),this._txtTrack=e.createTrack("text",i),this.aacOverFlow=null,this.aacLastPTS=null,this.avcSample=null,this.audioCodec=r,this.videoCodec=a,this._duration=i},t.resetTimeStamp=function(){},t.append=function(t,r,n,s){var o,d,u,f,h,c=t.length,v=!1;this.contiguous=n;var p=this.pmtParsed,g=this._avcTrack,m=this._audioTrack,y=this._id3Track,b=g.pid,E=m.pid,T=y.pid,S=this._pmtId,_=g.pesData,A=m.pesData,R=y.pesData,L=this._parsePAT,w=this._parsePMT,D=this._parsePES,k=this._parseAVCPES.bind(this),O=this._parseAACPES.bind(this),x=this._parseMPEGPES.bind(this),I=this._parseID3PES.bind(this),C=e._syncOffset(t);for(c-=(c+C)%188,o=C;o<c;o+=188)if(71===t[o]){if(d=!!(64&t[o+1]),u=((31&t[o+1])<<8)+t[o+2],(48&t[o+3])>>4>1){if((f=o+5+t[o+4])===o+188)continue}else f=o+4;switch(u){case b:d&&(_&&(h=D(_))&&k(h,!1),_={data:[],size:0}),_&&(_.data.push(t.subarray(f,o+188)),_.size+=o+188-f);break;case E:d&&(A&&(h=D(A))&&(m.isAAC?O(h):x(h)),A={data:[],size:0}),A&&(A.data.push(t.subarray(f,o+188)),A.size+=o+188-f);break;case T:d&&(R&&(h=D(R))&&I(h),R={data:[],size:0}),R&&(R.data.push(t.subarray(f,o+188)),R.size+=o+188-f);break;case 0:d&&(f+=t[f]+1),S=this._pmtId=L(t,f);break;case S:d&&(f+=t[f]+1);var P=w(t,f,!0===this.typeSupported.mpeg||!0===this.typeSupported.mp3,null!=this.sampleAes);(b=P.avc)>0&&(g.pid=b),(E=P.audio)>0&&(m.pid=E,m.isAAC=P.isAAC),(T=P.id3)>0&&(y.pid=T),v&&!p&&(l.b.log("reparse from beginning"),v=!1,o=C-188),p=this.pmtParsed=!0;break;case 17:case 8191:break;default:v=!0}}else this.observer.trigger(a.a.ERROR,{type:i.b.MEDIA_ERROR,details:i.a.FRAG_PARSING_ERROR,fatal:!1,reason:"TS packet did not start with 0x47"});_&&(h=D(_))?(k(h,!0),g.pesData=null):g.pesData=_,A&&(h=D(A))?(m.isAAC?O(h):x(h),m.pesData=null):(A&&A.size&&l.b.log("last AAC PES packet truncated,might overlap between fragments"),m.pesData=A),R&&(h=D(R))?(I(h),y.pesData=null):y.pesData=R,null==this.sampleAes?this.remuxer.remux(m,g,y,this._txtTrack,r,n,s):this.decryptAndRemux(m,g,y,this._txtTrack,r,n,s)},t.decryptAndRemux=function(e,t,r,a,i,n,s){if(e.samples&&e.isAAC){var o=this;this.sampleAes.decryptAacSamples(e.samples,0,(function(){o.decryptAndRemuxAvc(e,t,r,a,i,n,s)}))}else this.decryptAndRemuxAvc(e,t,r,a,i,n,s)},t.decryptAndRemuxAvc=function(e,t,r,a,i,n,s){if(t.samples){var o=this;this.sampleAes.decryptAvcSamples(t.samples,0,0,(function(){o.remuxer.remux(e,t,r,a,i,n,s)}))}else this.remuxer.remux(e,t,r,a,i,n,s)},t.destroy=function(){this._initPTS=this._initDTS=void 0,this._duration=0},t._parsePAT=function(e,t){return(31&e[t+10])<<8|e[t+11]},t._parsePMT=function(e,t,r,a){var i,n,s={audio:-1,avc:-1,id3:-1,isAAC:!0};for(i=t+3+((15&e[t+1])<<8|e[t+2])-4,t+=12+((15&e[t+10])<<8|e[t+11]);t<i;){switch(n=(31&e[t+1])<<8|e[t+2],e[t]){case 207:if(!a){l.b.log("unknown stream type:"+e[t]);break}case 15:-1===s.audio&&(s.audio=n);break;case 21:-1===s.id3&&(s.id3=n);break;case 219:if(!a){l.b.log("unknown stream type:"+e[t]);break}case 27:-1===s.avc&&(s.avc=n);break;case 3:case 4:r?-1===s.audio&&(s.audio=n,s.isAAC=!1):l.b.log("MPEG audio found, not supported in this browser for now");break;case 36:l.b.warn("HEVC stream type found, not supported for now");break;default:l.b.log("unknown stream type:"+e[t])}t+=5+((15&e[t+3])<<8|e[t+4])}return s},t._parsePES=function(e){var t,r,a,i,n,s,o,d,u=0,f=e.data;if(!e||0===e.size)return null;for(;f[0].length<19&&f.length>1;){var h=new Uint8Array(f[0].length+f[1].length);h.set(f[0]),h.set(f[1],f[0].length),f[0]=h,f.splice(1,1)}if(1===((t=f[0])[0]<<16)+(t[1]<<8)+t[2]){if((a=(t[4]<<8)+t[5])&&a>e.size-6)return null;if(192&(r=t[7])&&((s=536870912*(14&t[9])+4194304*(255&t[10])+16384*(254&t[11])+128*(255&t[12])+(254&t[13])/2)>4294967295&&(s-=8589934592),64&r?((o=536870912*(14&t[14])+4194304*(255&t[15])+16384*(254&t[16])+128*(255&t[17])+(254&t[18])/2)>4294967295&&(o-=8589934592),s-o>54e5&&(l.b.warn(Math.round((s-o)/9e4)+"s delta between PTS and DTS, align them"),s=o)):o=s),d=(i=t[8])+9,e.size<=d)return null;e.size-=d,n=new Uint8Array(e.size);for(var c=0,v=f.length;c<v;c++){var p=(t=f[c]).byteLength;if(d){if(d>p){d-=p;continue}t=t.subarray(d),p-=d,d=0}n.set(t,u),u+=p}return a&&(a-=i+3),{data:n,pts:s,dts:o,len:a}}return null},t.pushAccesUnit=function(e,t){if(e.units.length&&e.frame){var r=t.samples,a=r.length;if(isNaN(e.pts)){if(!a)return void t.dropped++;var i=r[a-1];e.pts=i.pts,e.dts=i.dts}!this.config.forceKeyFrameOnDiscontinuity||!0===e.key||t.sps&&(a||this.contiguous)?(e.id=a,r.push(e)):t.dropped++}e.debug.length&&l.b.log(e.pts+"/"+e.dts+":"+e.debug)},t._parseAVCPES=function(e,t){var r,a,i,n=this,s=this._avcTrack,o=this._parseAVCNALu(e.data),l=this.avcSample,d=!1,u=this.pushAccesUnit.bind(this),f=function(e,t,r,a){return{key:e,pts:t,dts:r,units:[],debug:a}};e.data=null,l&&o.length&&!s.audFound&&(u(l,s),l=this.avcSample=f(!1,e.pts,e.dts,"")),o.forEach((function(t){switch(t.type){case 1:a=!0,l||(l=n.avcSample=f(!0,e.pts,e.dts,"")),l.frame=!0;var o=t.data;if(d&&o.length>4){var h=new L(o).readSliceType();2!==h&&4!==h&&7!==h&&9!==h||(l.key=!0)}break;case 5:a=!0,l||(l=n.avcSample=f(!0,e.pts,e.dts,"")),l.key=!0,l.frame=!0;break;case 6:a=!0,(r=new L(n.discardEPB(t.data))).readUByte();for(var c=0,v=0,p=!1,g=0;!p&&r.bytesAvailable>1;){c=0;do{c+=g=r.readUByte()}while(255===g);v=0;do{v+=g=r.readUByte()}while(255===g);if(4===c&&0!==r.bytesAvailable){if(p=!0,181===r.readUByte())if(49===r.readUShort())if(1195456820===r.readUInt())if(3===r.readUByte()){var m=r.readUByte(),y=31&m,b=[m,r.readUByte()];for(i=0;i<y;i++)b.push(r.readUByte()),b.push(r.readUByte()),b.push(r.readUByte());n._insertSampleInOrder(n._txtTrack.samples,{type:3,pts:e.pts,bytes:b})}}else if(5===c&&0!==r.bytesAvailable){if(p=!0,v>16){var E=[];for(i=0;i<16;i++)E.push(r.readUByte().toString(16)),3!==i&&5!==i&&7!==i&&9!==i||E.push("-");var S=v-16,_=new Uint8Array(S);for(i=0;i<S;i++)_[i]=r.readUByte();n._insertSampleInOrder(n._txtTrack.samples,{pts:e.pts,payloadType:c,uuid:E.join(""),userDataBytes:_,userData:Object(T.b)(_.buffer)})}}else if(v<r.bytesAvailable)for(i=0;i<v;i++)r.readUByte()}break;case 7:if(a=!0,d=!0,!s.sps){var A=(r=new L(t.data)).readSPS();s.width=A.width,s.height=A.height,s.pixelRatio=A.pixelRatio,s.sps=[t.data],s.duration=n._duration;var R=t.data.subarray(1,4),w="avc1.";for(i=0;i<3;i++){var D=R[i].toString(16);D.length<2&&(D="0"+D),w+=D}s.codec=w}break;case 8:a=!0,s.pps||(s.pps=[t.data]);break;case 9:a=!1,s.audFound=!0,l&&u(l,s),l=n.avcSample=f(!1,e.pts,e.dts,"");break;case 12:a=!1;break;default:a=!1,l&&(l.debug+="unknown NAL "+t.type+" ")}l&&a&&l.units.push(t)})),t&&l&&(u(l,s),this.avcSample=null)},t._insertSampleInOrder=function(e,t){var r=e.length;if(r>0){if(t.pts>=e[r-1].pts)e.push(t);else for(var a=r-1;a>=0;a--)if(t.pts<e[a].pts){e.splice(a,0,t);break}}else e.push(t)},t._getLastNalUnit=function(){var e,t=this.avcSample;if(!t||0===t.units.length){var r=this._avcTrack.samples;t=r[r.length-1]}if(t){var a=t.units;e=a[a.length-1]}return e},t._parseAVCNALu=function(e){var t,r,a,i,n=0,s=e.byteLength,o=this._avcTrack,l=o.naluState||0,d=l,u=[],f=-1;for(-1===l&&(f=0,i=31&e[0],l=0,n=1);n<s;)if(t=e[n++],l)if(1!==l)if(t)if(1===t){if(f>=0)a={data:e.subarray(f,n-l-1),type:i},u.push(a);else{var h=this._getLastNalUnit();if(h&&(d&&n<=4-d&&h.state&&(h.data=h.data.subarray(0,h.data.byteLength-d)),(r=n-l-1)>0)){var c=new Uint8Array(h.data.byteLength+r);c.set(h.data,0),c.set(e.subarray(0,r),h.data.byteLength),h.data=c}}n<s?(f=n,i=31&e[n],l=0):l=-1}else l=0;else l=3;else l=t?0:2;else l=t?0:1;if(f>=0&&l>=0&&(a={data:e.subarray(f,s),type:i,state:l},u.push(a)),0===u.length){var v=this._getLastNalUnit();if(v){var p=new Uint8Array(v.data.byteLength+e.byteLength);p.set(v.data,0),p.set(e,v.data.byteLength),v.data=p}}return o.naluState=l,u},t.discardEPB=function(e){for(var t,r,a=e.byteLength,i=[],n=1;n<a-2;)0===e[n]&&0===e[n+1]&&3===e[n+2]?(i.push(n+2),n+=2):n++;if(0===i.length)return e;t=a-i.length,r=new Uint8Array(t);var s=0;for(n=0;n<t;s++,n++)s===i[0]&&(s++,i.shift()),r[n]=e[s];return r},t._parseAACPES=function(e){var t,r,n,s,o,d,u,f=this._audioTrack,h=e.data,c=e.pts,v=this.aacOverFlow,p=this.aacLastPTS;if(v){var m=new Uint8Array(v.byteLength+h.byteLength);m.set(v,0),m.set(h,v.byteLength),h=m}for(n=0,o=h.length;n<o-1&&!g(h,n);n++);if(n&&(n<o-1?(d="AAC PES did not start with ADTS header,offset:"+n,u=!1):(d="no ADTS header found in AAC PES",u=!0),l.b.warn("parsing error:"+d),this.observer.trigger(a.a.ERROR,{type:i.b.MEDIA_ERROR,details:i.a.FRAG_PARSING_ERROR,fatal:u,reason:d}),u))return;if(y(f,this.observer,h,n,this.audioCodec),r=0,t=b(f.samplerate),v&&p){var T=p+t;Math.abs(T-c)>1&&(l.b.log("AAC: align PTS for overlapping frames by "+Math.round((T-c)/90)),c=T)}for(;n<o;){if(g(h,n)){if(n+5<o){var S=E(f,h,n,c,r);if(S){n+=S.length,s=S.sample.pts,r++;continue}}break}n++}v=n<o?h.subarray(n,o):null,this.aacOverFlow=v,this.aacLastPTS=s},t._parseMPEGPES=function(e){for(var t=e.data,r=t.length,a=0,i=0,n=e.pts;i<r;)if(R.isHeader(t,i)){var s=R.appendFrame(this._audioTrack,t,i,n,a);if(!s)break;i+=s.length,a++}else i++},t._parseID3PES=function(e){this._id3Track.samples.push(e)},e}(),O=function(){function e(e,t,r){this.observer=e,this.config=r,this.remuxer=t}var t=e.prototype;return t.resetInitSegment=function(e,t,r,a){this._audioTrack={container:"audio/mpeg",type:"audio",id:-1,sequenceNumber:0,isAAC:!1,samples:[],len:0,manifestCodec:t,duration:a,inputTimeScale:9e4}},t.resetTimeStamp=function(){},e.probe=function(e){var t,r,a=T.a.getID3Data(e,0);if(a&&void 0!==T.a.getTimeStamp(a))for(t=a.length,r=Math.min(e.length-1,t+100);t<r;t++)if(R.probe(e,t))return l.b.log("MPEG Audio sync word found !"),!0;return!1},t.append=function(e,t,r,a){for(var i=T.a.getID3Data(e,0),n=T.a.getTimeStamp(i),s=n?90*n:9e4*t,o=i.length,l=e.length,d=0,u=0,f=this._audioTrack,h=[{pts:s,dts:s,data:i}];o<l;)if(R.isHeader(e,o)){var c=R.appendFrame(f,e,o,s,d);if(!c)break;o+=c.length,u=c.sample.pts,d++}else T.a.isHeader(e,o)?(i=T.a.getID3Data(e,o),h.push({pts:u,dts:u,data:i}),o+=i.length):o++;this.remuxer.remux(f,{samples:[]},{samples:h,inputTimeScale:9e4},{samples:[]},t,r,a)},t.destroy=function(){},e}(),x=function(){function e(){}return e.getSilentFrame=function(e,t){switch(e){case"mp4a.40.2":if(1===t)return new Uint8Array([0,200,0,128,35,128]);if(2===t)return new Uint8Array([33,0,73,144,2,25,0,35,128]);if(3===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,142]);if(4===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,128,44,128,8,2,56]);if(5===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,56]);if(6===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,0,178,0,32,8,224]);break;default:if(1===t)return new Uint8Array([1,64,34,128,163,78,230,128,186,8,0,0,0,28,6,241,193,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(2===t)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(3===t)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94])}return null},e}(),I=Math.pow(2,32)-1,C=function(){function e(){}return e.init=function(){var t;for(t in e.types={avc1:[],avcC:[],btrt:[],dinf:[],dref:[],esds:[],ftyp:[],hdlr:[],mdat:[],mdhd:[],mdia:[],mfhd:[],minf:[],moof:[],moov:[],mp4a:[],".mp3":[],mvex:[],mvhd:[],pasp:[],sdtp:[],stbl:[],stco:[],stsc:[],stsd:[],stsz:[],stts:[],tfdt:[],tfhd:[],traf:[],trak:[],trun:[],trex:[],tkhd:[],vmhd:[],smhd:[]},e.types)e.types.hasOwnProperty(t)&&(e.types[t]=[t.charCodeAt(0),t.charCodeAt(1),t.charCodeAt(2),t.charCodeAt(3)]);var r=new Uint8Array([0,0,0,0,0,0,0,0,118,105,100,101,0,0,0,0,0,0,0,0,0,0,0,0,86,105,100,101,111,72,97,110,100,108,101,114,0]),a=new Uint8Array([0,0,0,0,0,0,0,0,115,111,117,110,0,0,0,0,0,0,0,0,0,0,0,0,83,111,117,110,100,72,97,110,100,108,101,114,0]);e.HDLR_TYPES={video:r,audio:a};var i=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),n=new Uint8Array([0,0,0,0,0,0,0,0]);e.STTS=e.STSC=e.STCO=n,e.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),e.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0]),e.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),e.STSD=new Uint8Array([0,0,0,0,0,0,0,1]);var s=new Uint8Array([105,115,111,109]),o=new Uint8Array([97,118,99,49]),l=new Uint8Array([0,0,0,1]);e.FTYP=e.box(e.types.ftyp,s,l,s,o),e.DINF=e.box(e.types.dinf,e.box(e.types.dref,i))},e.box=function(e){for(var t,r=Array.prototype.slice.call(arguments,1),a=8,i=r.length,n=i;i--;)a+=r[i].byteLength;for((t=new Uint8Array(a))[0]=a>>24&255,t[1]=a>>16&255,t[2]=a>>8&255,t[3]=255&a,t.set(e,4),i=0,a=8;i<n;i++)t.set(r[i],a),a+=r[i].byteLength;return t},e.hdlr=function(t){return e.box(e.types.hdlr,e.HDLR_TYPES[t])},e.mdat=function(t){return e.box(e.types.mdat,t)},e.mdhd=function(t,r){r*=t;var a=Math.floor(r/(I+1)),i=Math.floor(r%(I+1));return e.box(e.types.mdhd,new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,t>>24&255,t>>16&255,t>>8&255,255&t,a>>24,a>>16&255,a>>8&255,255&a,i>>24,i>>16&255,i>>8&255,255&i,85,196,0,0]))},e.mdia=function(t){return e.box(e.types.mdia,e.mdhd(t.timescale,t.duration),e.hdlr(t.type),e.minf(t))},e.mfhd=function(t){return e.box(e.types.mfhd,new Uint8Array([0,0,0,0,t>>24,t>>16&255,t>>8&255,255&t]))},e.minf=function(t){return"audio"===t.type?e.box(e.types.minf,e.box(e.types.smhd,e.SMHD),e.DINF,e.stbl(t)):e.box(e.types.minf,e.box(e.types.vmhd,e.VMHD),e.DINF,e.stbl(t))},e.moof=function(t,r,a){return e.box(e.types.moof,e.mfhd(t),e.traf(a,r))},e.moov=function(t){for(var r=t.length,a=[];r--;)a[r]=e.trak(t[r]);return e.box.apply(null,[e.types.moov,e.mvhd(t[0].timescale,t[0].duration)].concat(a).concat(e.mvex(t)))},e.mvex=function(t){for(var r=t.length,a=[];r--;)a[r]=e.trex(t[r]);return e.box.apply(null,[e.types.mvex].concat(a))},e.mvhd=function(t,r){r*=t;var a=Math.floor(r/(I+1)),i=Math.floor(r%(I+1)),n=new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,t>>24&255,t>>16&255,t>>8&255,255&t,a>>24,a>>16&255,a>>8&255,255&a,i>>24,i>>16&255,i>>8&255,255&i,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]);return e.box(e.types.mvhd,n)},e.sdtp=function(t){var r,a,i=t.samples||[],n=new Uint8Array(4+i.length);for(a=0;a<i.length;a++)r=i[a].flags,n[a+4]=r.dependsOn<<4|r.isDependedOn<<2|r.hasRedundancy;return e.box(e.types.sdtp,n)},e.stbl=function(t){return e.box(e.types.stbl,e.stsd(t),e.box(e.types.stts,e.STTS),e.box(e.types.stsc,e.STSC),e.box(e.types.stsz,e.STSZ),e.box(e.types.stco,e.STCO))},e.avc1=function(t){var r,a,i,n=[],s=[];for(r=0;r<t.sps.length;r++)i=(a=t.sps[r]).byteLength,n.push(i>>>8&255),n.push(255&i),n=n.concat(Array.prototype.slice.call(a));for(r=0;r<t.pps.length;r++)i=(a=t.pps[r]).byteLength,s.push(i>>>8&255),s.push(255&i),s=s.concat(Array.prototype.slice.call(a));var o=e.box(e.types.avcC,new Uint8Array([1,n[3],n[4],n[5],255,224|t.sps.length].concat(n).concat([t.pps.length]).concat(s))),l=t.width,d=t.height,u=t.pixelRatio[0],f=t.pixelRatio[1];return e.box(e.types.avc1,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,l>>8&255,255&l,d>>8&255,255&d,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,100,97,105,108,121,109,111,116,105,111,110,47,104,108,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),o,e.box(e.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])),e.box(e.types.pasp,new Uint8Array([u>>24,u>>16&255,u>>8&255,255&u,f>>24,f>>16&255,f>>8&255,255&f])))},e.esds=function(e){var t=e.config.length;return new Uint8Array([0,0,0,0,3,23+t,0,1,0,4,15+t,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([t]).concat(e.config).concat([6,1,2]))},e.mp4a=function(t){var r=t.samplerate;return e.box(e.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]),e.box(e.types.esds,e.esds(t)))},e.mp3=function(t){var r=t.samplerate;return e.box(e.types[".mp3"],new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]))},e.stsd=function(t){return"audio"===t.type?t.isAAC||"mp3"!==t.codec?e.box(e.types.stsd,e.STSD,e.mp4a(t)):e.box(e.types.stsd,e.STSD,e.mp3(t)):e.box(e.types.stsd,e.STSD,e.avc1(t))},e.tkhd=function(t){var r=t.id,a=t.duration*t.timescale,i=t.width,n=t.height,s=Math.floor(a/(I+1)),o=Math.floor(a%(I+1));return e.box(e.types.tkhd,new Uint8Array([1,0,0,7,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,r>>24&255,r>>16&255,r>>8&255,255&r,0,0,0,0,s>>24,s>>16&255,s>>8&255,255&s,o>>24,o>>16&255,o>>8&255,255&o,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,i>>8&255,255&i,0,0,n>>8&255,255&n,0,0]))},e.traf=function(t,r){var a=e.sdtp(t),i=t.id,n=Math.floor(r/(I+1)),s=Math.floor(r%(I+1));return e.box(e.types.traf,e.box(e.types.tfhd,new Uint8Array([0,0,0,0,i>>24,i>>16&255,i>>8&255,255&i])),e.box(e.types.tfdt,new Uint8Array([1,0,0,0,n>>24,n>>16&255,n>>8&255,255&n,s>>24,s>>16&255,s>>8&255,255&s])),e.trun(t,a.length+16+20+8+16+8+8),a)},e.trak=function(t){return t.duration=t.duration||4294967295,e.box(e.types.trak,e.tkhd(t),e.mdia(t))},e.trex=function(t){var r=t.id;return e.box(e.types.trex,new Uint8Array([0,0,0,0,r>>24,r>>16&255,r>>8&255,255&r,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))},e.trun=function(t,r){var a,i,n,s,o,l,d=t.samples||[],u=d.length,f=12+16*u,h=new Uint8Array(f);for(r+=8+f,h.set([0,0,15,1,u>>>24&255,u>>>16&255,u>>>8&255,255&u,r>>>24&255,r>>>16&255,r>>>8&255,255&r],0),a=0;a<u;a++)n=(i=d[a]).duration,s=i.size,o=i.flags,l=i.cts,h.set([n>>>24&255,n>>>16&255,n>>>8&255,255&n,s>>>24&255,s>>>16&255,s>>>8&255,255&s,o.isLeading<<2|o.dependsOn,o.isDependedOn<<6|o.hasRedundancy<<4|o.paddingValue<<1|o.isNonSync,61440&o.degradPrio,15&o.degradPrio,l>>>24&255,l>>>16&255,l>>>8&255,255&l],12+16*a);return e.box(e.types.trun,h)},e.initSegment=function(t){e.types||e.init();var r,a=e.moov(t);return(r=new Uint8Array(e.FTYP.byteLength+a.byteLength)).set(e.FTYP),r.set(a,e.FTYP.byteLength),r},e}();function P(e,t,r,a){void 0===r&&(r=1),void 0===a&&(a=!1);var i=e*t*r;return a?Math.round(i):i}function F(e,t){return void 0===t&&(t=!1),P(e,1e3,1/9e4,t)}function M(e,t){return void 0===t&&(t=1),P(e,9e4,1/t)}var U=M(10),B=M(.2);var N,G=function(){function e(e,t,r,a){this.observer=e,this.config=t,this.typeSupported=r;var i=navigator.userAgent;this.isSafari=a&&a.indexOf("Apple")>-1&&i&&!i.match("CriOS"),this.ISGenerated=!1}var t=e.prototype;return t.destroy=function(){},t.resetTimeStamp=function(e){this._initPTS=this._initDTS=e},t.resetInitSegment=function(){this.ISGenerated=!1},t.remux=function(e,t,r,i,n,s,o){if(this.ISGenerated||this.generateIS(e,t,n),this.ISGenerated){var d=e.samples.length,u=t.samples.length,f=n,h=n;if(d&&u){var c=(e.samples[0].pts-t.samples[0].pts)/t.inputTimeScale;f+=Math.max(0,c),h+=Math.max(0,-c)}if(d){e.timescale||(l.b.warn("regenerate InitSegment as audio detected"),this.generateIS(e,t,n));var v,p=this.remuxAudio(e,f,s,o);if(u)p&&(v=p.endPTS-p.startPTS),t.timescale||(l.b.warn("regenerate InitSegment as video detected"),this.generateIS(e,t,n)),this.remuxVideo(t,h,s,v,o)}else if(u){var g=this.remuxVideo(t,h,s,0,o);g&&e.codec&&this.remuxEmptyAudio(e,f,s,g)}}r.samples.length&&this.remuxID3(r,n),i.samples.length&&this.remuxText(i,n),this.observer.trigger(a.a.FRAG_PARSED)},t.generateIS=function(e,t,r){var n,s,o,d=this.observer,u=e.samples,f=t.samples,h=this.typeSupported,c="audio/mp4",v={},p={tracks:v},g=void 0===this._initPTS;if(g&&(n=s=1/0),e.config&&u.length&&(e.timescale=e.samplerate,l.b.log("audio sampling rate : "+e.samplerate),e.isAAC||(h.mpeg?(c="audio/mpeg",e.codec=""):h.mp3&&(e.codec="mp3")),v.audio={container:c,codec:e.codec,initSegment:!e.isAAC&&h.mpeg?new Uint8Array:C.initSegment([e]),metadata:{channelCount:e.channelCount}},g&&(o=e.inputTimeScale,n=s=u[0].pts-Math.round(o*r))),t.sps&&t.pps&&f.length){var m=t.inputTimeScale;t.timescale=m,v.video={container:"video/mp4",codec:t.codec,initSegment:C.initSegment([t]),metadata:{width:t.width,height:t.height}},g&&(o=t.inputTimeScale,n=Math.min(n,f[0].pts-m*r),s=Math.min(s,f[0].dts-m*r),this.observer.trigger(a.a.INIT_PTS_FOUND,{initPTS:n,timescale:o}))}Object.keys(v).length?(d.trigger(a.a.FRAG_PARSING_INIT_SEGMENT,p),this.ISGenerated=!0,g&&(this._initPTS=n,this._initDTS=s)):d.trigger(a.a.ERROR,{type:i.b.MEDIA_ERROR,details:i.a.FRAG_PARSING_ERROR,fatal:!1,reason:"no audio/video samples found"})},t.remuxVideo=function(e,t,r,n,s){var o,d,u,f,h,c,v,p=8,g=e.timescale,m=e.samples,y=[],b=m.length,E=this._PTSNormalize,T=this._initPTS,S=this.nextAvcDts,_=this.isSafari;if(0!==b){_&&(r|=m.length&&S&&(s&&Math.abs(t-S/g)<.1||Math.abs(m[0].pts-S-T)<g/5)),r||(S=t*g),m.forEach((function(e){e.pts=E(e.pts-T,S),e.dts=E(e.dts-T,S)})),m.sort((function(e,t){var r=e.dts-t.dts,a=e.pts-t.pts;return r||a||e.id-t.id}));var A=m.reduce((function(e,t){return Math.max(Math.min(e,t.pts-t.dts),-1*B)}),0);if(A<0){l.b.warn("PTS < DTS detected in video samples, shifting DTS by "+F(A,!0)+" ms to overcome this issue");for(var R=0;R<m.length;R++)m[R].dts+=A}var L=m[0];h=Math.max(L.dts,0),f=Math.max(L.pts,0);var w=h-S;r&&w&&(w>1?l.b.log("AVC: "+F(w,!0)+" ms hole between fragments detected,filling it"):w<-1&&l.b.log("AVC: "+F(-w,!0)+" ms overlapping between fragments detected"),h=S,m[0].dts=h,f=Math.max(f-w,S),m[0].pts=f,l.b.log("Video: PTS/DTS adjusted: "+F(f,!0)+"/"+F(h,!0)+", delta: "+F(w,!0)+" ms")),L=m[m.length-1],v=Math.max(L.dts,0),c=Math.max(L.pts,0,v),_&&(o=Math.round((v-h)/(m.length-1)));for(var D=0,k=0,O=0;O<b;O++){for(var x=m[O],I=x.units,P=I.length,M=0,U=0;U<P;U++)M+=I[U].data.length;k+=M,D+=P,x.length=M,x.dts=_?h+O*o:Math.max(x.dts,h),x.pts=Math.max(x.pts,x.dts)}var N=k+4*D+8;try{d=new Uint8Array(N)}catch(e){return void this.observer.trigger(a.a.ERROR,{type:i.b.MUX_ERROR,details:i.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:N,reason:"fail allocating video mdat "+N})}var G=new DataView(d.buffer);G.setUint32(0,N),d.set(C.types.mdat,4);for(var j=0;j<b;j++){for(var K=m[j],H=K.units,V=0,W=void 0,Y=0,z=H.length;Y<z;Y++){var X=H[Y],q=X.data,Q=X.data.byteLength;G.setUint32(p,Q),p+=4,d.set(q,p),p+=Q,V+=4+Q}if(_)W=Math.max(0,o*Math.round((K.pts-K.dts)/o));else{if(j<b-1)o=m[j+1].dts-K.dts;else{var Z=this.config,J=K.dts-m[j>0?j-1:j].dts;if(Z.stretchShortVideoTrack){var $=Z.maxBufferHole,ee=Math.floor($*g),te=(n?f+n*g:this.nextAudioPts)-K.pts;te>ee?((o=te-J)<0&&(o=J),l.b.log("It is approximately "+F(te,!1)+" ms to the next segment; using duration "+F(o,!1)+" ms for the last video frame.")):o=J}else o=J}W=Math.round(K.pts-K.dts)}y.push({size:V,duration:o,cts:W,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:K.key?2:1,isNonSync:K.key?0:1}})}this.nextAvcDts=v+o;var re=e.dropped;if(e.nbNalu=0,e.dropped=0,y.length&&navigator.userAgent.toLowerCase().indexOf("chrome")>-1){var ae=y[0].flags;ae.dependsOn=2,ae.isNonSync=0}e.samples=y,u=C.moof(e.sequenceNumber++,h,e),e.samples=[];var ie={data1:u,data2:d,startPTS:f/g,endPTS:(c+o)/g,startDTS:h/g,endDTS:this.nextAvcDts/g,type:"video",hasAudio:!1,hasVideo:!0,nb:y.length,dropped:re};return this.observer.trigger(a.a.FRAG_PARSING_DATA,ie),ie}},t.remuxAudio=function(e,t,r,n){var s,o,d,u,f,h,c=e.inputTimeScale,v=e.timescale,p=c/v,g=(e.isAAC?1024:1152)*p,m=this._PTSNormalize,y=this._initPTS,b=!e.isAAC&&this.typeSupported.mpeg,E=b?0:8,T=e.samples,S=[],_=this.nextAudioPts;if(r|=T.length&&_&&(n&&Math.abs(t-_/c)<.1||Math.abs(T[0].pts-_-y)<20*g),T.forEach((function(e){e.pts=e.dts=m(e.pts-y,t*c)})),0!==(T=T.filter((function(e){return e.pts>=0}))).length){if(r||(_=n?t*c:T[0].pts),e.isAAC)for(var A=this.config.maxAudioFramesDrift,R=0,L=_;R<T.length;){var w,D=T[R];if((w=D.pts-L)<=-A*g)l.b.warn("Dropping 1 audio frame @ "+F(L,!0)+" ms due to "+F(w,!0)+" ms overlap."),T.splice(R,1);else if(w>=A*g&&w<U&&L){var k=Math.round(w/g);l.b.warn("Injecting "+k+" audio frames @ "+F(L,!0)+" ms due to "+F(L,!0)+" ms gap.");for(var O=0;O<k;O++){var I=Math.max(L,0);(o=x.getSilentFrame(e.manifestCodec||e.codec,e.channelCount))||(l.b.log("Unable to get silent frame for given audio codec; duplicating last frame instead."),o=D.unit.subarray()),T.splice(R,0,{unit:o,pts:I,dts:I}),L+=g,R++}D.pts=D.dts=L,L+=g,R++}else Math.abs(w),D.pts=D.dts=L,L+=g,R++}for(var P=T.length,M=0;P--;)M+=T[P].unit.byteLength;for(var B=0,N=T.length;B<N;B++){var G=T[B],j=G.unit,K=G.pts;if(void 0!==h)s.duration=Math.round((K-h)/p);else{var H=K-_,V=0;if(r&&e.isAAC&&H){if(H>0&&H<U)V=Math.round((K-_)/g),l.b.log(F(H,!0)+" ms hole between AAC samples detected,filling it"),V>0&&((o=x.getSilentFrame(e.manifestCodec||e.codec,e.channelCount))||(o=j.subarray()),M+=V*o.length);else if(H<-12){l.b.log("drop overlapping AAC sample, expected/parsed/delta: "+F(_,!0)+" ms / "+F(K,!0)+" ms / "+F(-H,!0)+" ms"),M-=j.byteLength;continue}K=_}if(f=K,!(M>0))return;M+=E;try{d=new Uint8Array(M)}catch(e){return void this.observer.trigger(a.a.ERROR,{type:i.b.MUX_ERROR,details:i.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:M,reason:"fail allocating audio mdat "+M})}b||(new DataView(d.buffer).setUint32(0,M),d.set(C.types.mdat,4));for(var W=0;W<V;W++)(o=x.getSilentFrame(e.manifestCodec||e.codec,e.channelCount))||(l.b.log("Unable to get silent frame for given audio codec; duplicating this frame instead."),o=j.subarray()),d.set(o,E),E+=o.byteLength,s={size:o.byteLength,cts:0,duration:1024,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},S.push(s)}d.set(j,E);var Y=j.byteLength;E+=Y,s={size:Y,cts:0,duration:0,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},S.push(s),h=K}var z=0;if((P=S.length)>=2&&(z=S[P-2].duration,s.duration=z),P){this.nextAudioPts=_=h+p*z,e.samples=S,u=b?new Uint8Array:C.moof(e.sequenceNumber++,f/p,e),e.samples=[];var X=f/c,q=_/c,Q={data1:u,data2:d,startPTS:X,endPTS:q,startDTS:X,endDTS:q,type:"audio",hasAudio:!0,hasVideo:!1,nb:P};return this.observer.trigger(a.a.FRAG_PARSING_DATA,Q),Q}return null}},t.remuxEmptyAudio=function(e,t,r,a){var i=e.inputTimeScale,n=i/(e.samplerate?e.samplerate:i),s=this.nextAudioPts,o=(void 0!==s?s:a.startDTS*i)+this._initDTS,d=a.endDTS*i+this._initDTS,u=1024*n,f=Math.ceil((d-o)/u),h=x.getSilentFrame(e.manifestCodec||e.codec,e.channelCount);if(l.b.warn("remux empty Audio"),h){for(var c=[],v=0;v<f;v++){var p=o+v*u;c.push({unit:h,pts:p,dts:p})}e.samples=c,this.remuxAudio(e,t,r)}else l.b.trace("Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!")},t.remuxID3=function(e){var t,r=e.samples.length,i=e.inputTimeScale,n=this._initPTS,s=this._initDTS;if(r){for(var o=0;o<r;o++)(t=e.samples[o]).pts=(t.pts-n)/i,t.dts=(t.dts-s)/i;this.observer.trigger(a.a.FRAG_PARSING_METADATA,{samples:e.samples})}e.samples=[]},t.remuxText=function(e){e.samples.sort((function(e,t){return e.pts-t.pts}));var t,r=e.samples.length,i=e.inputTimeScale,n=this._initPTS;if(r){for(var s=0;s<r;s++)(t=e.samples[s]).pts=(t.pts-n)/i;this.observer.trigger(a.a.FRAG_PARSING_USERDATA,{samples:e.samples})}e.samples=[]},t._PTSNormalize=function(e,t){var r;if(void 0===t)return e;for(r=t<e?-8589934592:8589934592;Math.abs(e-t)>4294967296;)e+=r;return e},e}(),j=function(){function e(e){this.observer=e}var t=e.prototype;return t.destroy=function(){},t.resetTimeStamp=function(){},t.resetInitSegment=function(){},t.remux=function(e,t,r,i,n,s,o,l){var d=this.observer,u="";e&&(u+="audio"),t&&(u+="video"),d.trigger(a.a.FRAG_PARSING_DATA,{data1:l,startPTS:n,startDTS:n,type:u,hasAudio:!!e,hasVideo:!!t,nb:1,dropped:0}),d.trigger(a.a.FRAG_PARSED)},e}(),K=Object(d.a)();try{N=K.performance.now.bind(K.performance)}catch(e){l.b.debug("Unable to use Performance API on this environment"),N=K.Date.now}var H=function(){function e(e,t,r,a){this.observer=e,this.typeSupported=t,this.config=r,this.vendor=a}var t=e.prototype;return t.destroy=function(){var e=this.demuxer;e&&e.destroy()},t.push=function(e,t,r,i,n,s,o,l,d,u,h,c){var v=this;if(e.byteLength>0&&null!=t&&null!=t.key&&"AES-128"===t.method){var p=this.decrypter;null==p&&(p=this.decrypter=new f(this.observer,this.config));var g=N();p.decrypt(e,t.key.buffer,t.iv.buffer,(function(e){var f=N();v.observer.trigger(a.a.FRAG_DECRYPTED,{stats:{tstart:g,tdecrypt:f}}),v.pushDecrypted(new Uint8Array(e),t,new Uint8Array(r),i,n,s,o,l,d,u,h,c)}))}else this.pushDecrypted(new Uint8Array(e),t,new Uint8Array(r),i,n,s,o,l,d,u,h,c)},t.pushDecrypted=function(e,t,r,n,s,o,l,d,u,f,h,c){var v=this.demuxer;if(!v||(l||d)&&!this.probe(e)){for(var p=this.observer,g=this.typeSupported,m=this.config,y=[{demux:k,remux:G},{demux:_.a,remux:j},{demux:S,remux:G},{demux:O,remux:G}],b=0,E=y.length;b<E;b++){var T=y[b],A=T.demux.probe;if(A(e)){var R=this.remuxer=new T.remux(p,m,g,this.vendor);v=new T.demux(p,R,m,g),this.probe=A;break}}if(!v)return void p.trigger(a.a.ERROR,{type:i.b.MEDIA_ERROR,details:i.a.FRAG_PARSING_ERROR,fatal:!0,reason:"no demux matching with content found"});this.demuxer=v}var L=this.remuxer;(l||d)&&(v.resetInitSegment(r,n,s,f),L.resetInitSegment()),l&&(v.resetTimeStamp(c),L.resetTimeStamp(c)),"function"==typeof v.setDecryptData&&v.setDecryptData(t),v.append(e,o,u,h)},e}();t.a=H},function(e,t,r){"use strict";var a=r(0),i=r(1),n=Math.pow(2,32)-1,s=function(){function e(e,t){this.observer=e,this.remuxer=t}var t=e.prototype;return t.resetTimeStamp=function(e){this.initPTS=e},t.resetInitSegment=function(t,r,a,n){if(t&&t.byteLength){var s=this.initData=e.parseInitSegment(t);null==r&&(r="mp4a.40.5"),null==a&&(a="avc1.42e01e");var o={};s.audio&&s.video?o.audiovideo={container:"video/mp4",codec:r+","+a,initSegment:n?t:null}:(s.audio&&(o.audio={container:"audio/mp4",codec:r,initSegment:n?t:null}),s.video&&(o.video={container:"video/mp4",codec:a,initSegment:n?t:null})),this.observer.trigger(i.a.FRAG_PARSING_INIT_SEGMENT,{tracks:o})}else r&&(this.audioCodec=r),a&&(this.videoCodec=a)},e.probe=function(t){return e.findBox({data:t,start:0,end:Math.min(t.length,16384)},["moof"]).length>0},e.bin2str=function(e){return String.fromCharCode.apply(null,e)},e.readUint16=function(e,t){e.data&&(t+=e.start,e=e.data);var r=e[t]<<8|e[t+1];return r<0?65536+r:r},e.readUint32=function(e,t){e.data&&(t+=e.start,e=e.data);var r=e[t]<<24|e[t+1]<<16|e[t+2]<<8|e[t+3];return r<0?4294967296+r:r},e.writeUint32=function(e,t,r){e.data&&(t+=e.start,e=e.data),e[t]=r>>24,e[t+1]=r>>16&255,e[t+2]=r>>8&255,e[t+3]=255&r},e.findBox=function(t,r){var a,i,n,s,o,l,d=[];if(t.data?(o=t.start,n=t.end,t=t.data):(o=0,n=t.byteLength),!r.length)return null;for(a=o;a<n;)l=(i=e.readUint32(t,a))>1?a+i:n,e.bin2str(t.subarray(a+4,a+8))===r[0]&&(1===r.length?d.push({data:t,start:a+8,end:l}):(s=e.findBox({data:t,start:a+8,end:l},r.slice(1))).length&&(d=d.concat(s))),a=l;return d},e.parseSegmentIndex=function(t){var r,a=e.findBox(t,["moov"])[0],i=a?a.end:null,n=0,s=e.findBox(t,["sidx"]);if(!s||!s[0])return null;r=[];var o=(s=s[0]).data[0];n=0===o?8:16;var l=e.readUint32(s,n);n+=4;n+=0===o?8:16,n+=2;var d=s.end+0,u=e.readUint16(s,n);n+=2;for(var f=0;f<u;f++){var h=n,c=e.readUint32(s,h);h+=4;var v=2147483647&c;if(1===(2147483648&c)>>>31)return void console.warn("SIDX has hierarchical references (not supported)");var p=e.readUint32(s,h);h+=4,r.push({referenceSize:v,subsegmentDuration:p,info:{duration:p/l,start:d,end:d+v-1}}),d+=v,n=h+=4}return{earliestPresentationTime:0,timescale:l,version:o,referencesCount:u,references:r,moovEndOffset:i}},e.parseInitSegment=function(t){var r=[];return e.findBox(t,["moov","trak"]).forEach((function(t){var i=e.findBox(t,["tkhd"])[0];if(i){var n=i.data[i.start],s=0===n?12:20,o=e.readUint32(i,s),l=e.findBox(t,["mdia","mdhd"])[0];if(l){s=0===(n=l.data[l.start])?12:20;var d=e.readUint32(l,s),u=e.findBox(t,["mdia","hdlr"])[0];if(u){var f={soun:"audio",vide:"video"}[e.bin2str(u.data.subarray(u.start+8,u.start+12))];if(f){var h=e.findBox(t,["mdia","minf","stbl","stsd"]);if(h.length){h=h[0];var c=e.bin2str(h.data.subarray(h.start+12,h.start+16));a.b.log("MP4Demuxer:"+f+":"+c+" found")}r[o]={timescale:d,type:f},r[f]={timescale:d,id:o}}}}}})),r},e.getStartDTS=function(t,r){var a,i,n;return a=e.findBox(r,["moof","traf"]),i=[].concat.apply([],a.map((function(r){return e.findBox(r,["tfhd"]).map((function(a){var i,n;return i=e.readUint32(a,4),n=t[i].timescale||9e4,e.findBox(r,["tfdt"]).map((function(t){var r,a;return r=t.data[t.start],a=e.readUint32(t,4),1===r&&(a*=Math.pow(2,32),a+=e.readUint32(t,8)),a}))[0]/n}))}))),n=Math.min.apply(null,i),isFinite(n)?n:0},e.offsetStartDTS=function(t,r,a){e.findBox(r,["moof","traf"]).map((function(r){return e.findBox(r,["tfhd"]).map((function(i){var s=e.readUint32(i,4),o=t[s].timescale||9e4;e.findBox(r,["tfdt"]).map((function(t){var r=t.data[t.start],i=e.readUint32(t,4);if(0===r)e.writeUint32(t,4,i-a*o);else{i*=Math.pow(2,32),i+=e.readUint32(t,8),i-=a*o,i=Math.max(i,0);var s=Math.floor(i/(n+1)),l=Math.floor(i%(n+1));e.writeUint32(t,4,s),e.writeUint32(t,8,l)}}))}))}))},t.append=function(t,r,a,n){var s=this.initData;s||(this.resetInitSegment(t,this.audioCodec,this.videoCodec,!1),s=this.initData);var o,l=this.initPTS;if(void 0===l){var d=e.getStartDTS(s,t);this.initPTS=l=d-r,this.observer.trigger(i.a.INIT_PTS_FOUND,{initPTS:l})}e.offsetStartDTS(s,t,l),o=e.getStartDTS(s,t),this.remuxer.remux(s.audio,s.video,null,null,o,a,n,t)},t.destroy=function(){},e}();t.a=s},function(e,t,r){function a(e){var t={};function r(a){if(t[a])return t[a].exports;var i=t[a]={i:a,l:!1,exports:{}};return e[a].call(i.exports,i,i.exports,r),i.l=!0,i.exports}r.m=e,r.c=t,r.i=function(e){return e},r.d=function(e,t,a){r.o(e,t)||Object.defineProperty(e,t,{configurable:!1,enumerable:!0,get:a})},r.r=function(e){Object.defineProperty(e,"__esModule",{value:!0})},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},r.p="/",r.oe=function(e){throw console.error(e),e};var a=r(r.s=ENTRY_MODULE);return a.default||a}var i="\\(\\s*(/\\*.*?\\*/)?\\s*.*?([\\.|\\-|\\+|\\w|/|@]+).*?\\)";function n(e){return(e+"").replace(/[.?*+^$[\]\\(){}|-]/g,"\\$&")}function s(e,t,a){var s={};s[a]=[];var o=t.toString(),l=o.match(/^function\s?\w*\(\w+,\s*\w+,\s*(\w+)\)/);if(!l)return s;for(var d,u=l[1],f=new RegExp("(\\\\n|\\W)"+n(u)+i,"g");d=f.exec(o);)"dll-reference"!==d[3]&&s[a].push(d[3]);for(f=new RegExp("\\("+n(u)+'\\("(dll-reference\\s([\\.|\\-|\\+|\\w|/|@]+))"\\)\\)'+i,"g");d=f.exec(o);)e[d[2]]||(s[a].push(d[1]),e[d[2]]=r(d[1]).m),s[d[2]]=s[d[2]]||[],s[d[2]].push(d[4]);for(var h,c=Object.keys(s),v=0;v<c.length;v++)for(var p=0;p<s[c[v]].length;p++)h=s[c[v]][p],isNaN(1*h)||(s[c[v]][p]=1*s[c[v]][p]);return s}function o(e){return Object.keys(e).reduce((function(t,r){return t||e[r].length>0}),!1)}e.exports=function(e,t){t=t||{};var i={main:r.m},n=t.all?{main:Object.keys(i.main)}:function(e,t){for(var r={main:[t]},a={main:[]},i={main:{}};o(r);)for(var n=Object.keys(r),l=0;l<n.length;l++){var d=n[l],u=r[d].pop();if(i[d]=i[d]||{},!i[d][u]&&e[d][u]){i[d][u]=!0,a[d]=a[d]||[],a[d].push(u);for(var f=s(e,e[d][u],d),h=Object.keys(f),c=0;c<h.length;c++)r[h[c]]=r[h[c]]||[],r[h[c]]=r[h[c]].concat(f[h[c]])}}return a}(i,e),l="";Object.keys(n).filter((function(e){return"main"!==e})).forEach((function(e){for(var t=0;n[e][t];)t++;n[e].push(t),i[e][t]="(function(module, exports, __webpack_require__) { module.exports = __webpack_require__; })",l=l+"var "+e+" = ("+a.toString().replace("ENTRY_MODULE",JSON.stringify(t))+")({"+n[e].map((function(t){return JSON.stringify(t)+": "+i[e][t].toString()})).join(",")+"});\n"})),l=l+"new (("+a.toString().replace("ENTRY_MODULE",JSON.stringify(e))+")({"+n.main.map((function(e){return JSON.stringify(e)+": "+i.main[e].toString()})).join(",")+"}))(self);";var d=new window.Blob([l],{type:"text/javascript"});if(t.bare)return d;var u=(window.URL||window.webkitURL||window.mozURL||window.msURL).createObjectURL(d),f=new window.Worker(u);return f.objectURL=u,f}},function(e,t,r){"use strict";r.r(t);var a=r(9),i=r(1),n=r(0),s=r(8);t.default=function(e){var t=new s.EventEmitter;t.trigger=function(e){for(var r=arguments.length,a=new Array(r>1?r-1:0),i=1;i<r;i++)a[i-1]=arguments[i];t.emit.apply(t,[e,e].concat(a))},t.off=function(e){for(var r=arguments.length,a=new Array(r>1?r-1:0),i=1;i<r;i++)a[i-1]=arguments[i];t.removeListener.apply(t,[e].concat(a))};var r=function(t,r){e.postMessage({event:t,data:r})};e.addEventListener("message",(function(i){var s=i.data;switch(s.cmd){case"init":var o=JSON.parse(s.config);e.demuxer=new a.a(t,s.typeSupported,o,s.vendor),Object(n.a)(o.debug),r("init",null);break;case"demux":e.demuxer.push(s.data,s.decryptdata,s.initSegment,s.audioCodec,s.videoCodec,s.timeOffset,s.discontinuity,s.trackSwitch,s.contiguous,s.duration,s.accurateTimeOffset,s.defaultInitPTS)}})),t.on(i.a.FRAG_DECRYPTED,r),t.on(i.a.FRAG_PARSING_INIT_SEGMENT,r),t.on(i.a.FRAG_PARSED,r),t.on(i.a.ERROR,r),t.on(i.a.FRAG_PARSING_METADATA,r),t.on(i.a.FRAG_PARSING_USERDATA,r),t.on(i.a.INIT_PTS_FOUND,r),t.on(i.a.FRAG_PARSING_DATA,(function(t,r){var a=[],i={event:t,data:r};r.data1&&(i.data1=r.data1.buffer,a.push(r.data1.buffer),delete r.data1),r.data2&&(i.data2=r.data2.buffer,a.push(r.data2.buffer),delete r.data2),e.postMessage(i,a)}))}},function(e,t,r){"use strict";r.r(t);var a,i,n=r(7),s=r(2),o=r(3),l=r(1),d=r(0),u={hlsEventGeneric:!0,hlsHandlerDestroying:!0,hlsHandlerDestroyed:!0},f=function(){function e(e){this.hls=void 0,this.handledEvents=void 0,this.useGenericHandler=void 0,this.hls=e,this.onEvent=this.onEvent.bind(this);for(var t=arguments.length,r=new Array(t>1?t-1:0),a=1;a<t;a++)r[a-1]=arguments[a];this.handledEvents=r,this.useGenericHandler=!0,this.registerListeners()}var t=e.prototype;return t.destroy=function(){this.onHandlerDestroying(),this.unregisterListeners(),this.onHandlerDestroyed()},t.onHandlerDestroying=function(){},t.onHandlerDestroyed=function(){},t.isEventHandler=function(){return"object"==typeof this.handledEvents&&this.handledEvents.length&&"function"==typeof this.onEvent},t.registerListeners=function(){this.isEventHandler()&&this.handledEvents.forEach((function(e){if(u[e])throw new Error("Forbidden event-name: "+e);this.hls.on(e,this.onEvent)}),this)},t.unregisterListeners=function(){this.isEventHandler()&&this.handledEvents.forEach((function(e){this.hls.off(e,this.onEvent)}),this)},t.onEvent=function(e,t){this.onEventGeneric(e,t)},t.onEventGeneric=function(e,t){try{(function(e,t){var r="on"+e.replace("hls","");if("function"!=typeof this[r])throw new Error("Event "+e+" has no generic handler in this "+this.constructor.name+" class (tried "+r+")");return this[r].bind(this,t)}).call(this,e,t).call()}catch(t){d.b.error("An internal error happened while handling event "+e+'. Error message: "'+t.message+'". Here is a stacktrace:',t),this.hls.trigger(l.a.ERROR,{type:s.b.OTHER_ERROR,details:s.a.INTERNAL_EXCEPTION,fatal:!1,event:e,err:t})}},e}();!function(e){e.MANIFEST="manifest",e.LEVEL="level",e.AUDIO_TRACK="audioTrack",e.SUBTITLE_TRACK="subtitleTrack"}(a||(a={})),function(e){e.MAIN="main",e.AUDIO="audio",e.SUBTITLE="subtitle"}(i||(i={}));var h=r(10);function c(e,t){for(var r=0;r<t.length;r++){var a=t[r];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(e,a.key,a)}}var v,p=function(){function e(e,t){this._uri=null,this.baseuri=void 0,this.reluri=void 0,this.method=null,this.key=null,this.iv=null,this.baseuri=e,this.reluri=t}var t,r,a;return t=e,(r=[{key:"uri",get:function(){return!this._uri&&this.reluri&&(this._uri=Object(n.buildAbsoluteURL)(this.baseuri,this.reluri,{alwaysNormalize:!0})),this._uri}}])&&c(t.prototype,r),a&&c(t,a),e}();function g(e,t){for(var r=0;r<t.length;r++){var a=t[r];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(e,a.key,a)}}!function(e){e.AUDIO="audio",e.VIDEO="video"}(v||(v={}));var m=function(){function e(){var e;this._url=null,this._byteRange=null,this._decryptdata=null,this._elementaryStreams=((e={})[v.AUDIO]=!1,e[v.VIDEO]=!1,e),this.deltaPTS=0,this.rawProgramDateTime=null,this.programDateTime=null,this.title=null,this.tagList=[],this.cc=void 0,this.type=void 0,this.relurl=void 0,this.baseurl=void 0,this.duration=void 0,this.start=void 0,this.sn=0,this.urlId=0,this.level=0,this.levelkey=void 0,this.loader=void 0}var t,r,a,i=e.prototype;return i.setByteRange=function(e,t){var r=e.split("@",2),a=[];1===r.length?a[0]=t?t.byteRangeEndOffset:0:a[0]=parseInt(r[1]),a[1]=parseInt(r[0])+a[0],this._byteRange=a},i.addElementaryStream=function(e){this._elementaryStreams[e]=!0},i.hasElementaryStream=function(e){return!0===this._elementaryStreams[e]},i.createInitializationVector=function(e){for(var t=new Uint8Array(16),r=12;r<16;r++)t[r]=e>>8*(15-r)&255;return t},i.setDecryptDataFromLevelKey=function(e,t){var r=e;return e&&e.method&&e.uri&&!e.iv&&((r=new p(e.baseuri,e.reluri)).method=e.method,r.iv=this.createInitializationVector(t)),r},t=e,(r=[{key:"url",get:function(){return!this._url&&this.relurl&&(this._url=Object(n.buildAbsoluteURL)(this.baseurl,this.relurl,{alwaysNormalize:!0})),this._url},set:function(e){this._url=e}},{key:"byteRange",get:function(){return this._byteRange?this._byteRange:[]}},{key:"byteRangeStartOffset",get:function(){return this.byteRange[0]}},{key:"byteRangeEndOffset",get:function(){return this.byteRange[1]}},{key:"decryptdata",get:function(){if(!this.levelkey&&!this._decryptdata)return null;if(!this._decryptdata&&this.levelkey){var e=this.sn;"number"!=typeof e&&(this.levelkey&&"AES-128"===this.levelkey.method&&!this.levelkey.iv&&d.b.warn('missing IV for initialization segment with method="'+this.levelkey.method+'" - compliance issue'),e=0),this._decryptdata=this.setDecryptDataFromLevelKey(this.levelkey,e)}return this._decryptdata}},{key:"endProgramDateTime",get:function(){if(null===this.programDateTime)return null;if(!Object(o.a)(this.programDateTime))return null;var e=Object(o.a)(this.duration)?this.duration:0;return this.programDateTime+1e3*e}},{key:"encrypted",get:function(){return!(!this.decryptdata||null===this.decryptdata.uri||null!==this.decryptdata.key)}}])&&g(t.prototype,r),a&&g(t,a),e}();function y(e,t){for(var r=0;r<t.length;r++){var a=t[r];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(e,a.key,a)}}var b=function(){function e(e){this.endCC=0,this.endSN=0,this.fragments=[],this.initSegment=null,this.live=!0,this.needSidxRanges=!1,this.startCC=0,this.startSN=0,this.startTimeOffset=null,this.targetduration=0,this.totalduration=0,this.type=null,this.url=e,this.version=null}var t,r,a;return t=e,(r=[{key:"hasProgramDateTime",get:function(){return!(!this.fragments[0]||!Object(o.a)(this.fragments[0].programDateTime))}}])&&y(t.prototype,r),a&&y(t,a),e}(),E=/^(\d+)x(\d+)$/,T=/\s*(.+?)\s*=((?:\".*?\")|.*?)(?:,|$)/g,S=function(){function e(t){for(var r in"string"==typeof t&&(t=e.parseAttrList(t)),t)t.hasOwnProperty(r)&&(this[r]=t[r])}var t=e.prototype;return t.decimalInteger=function(e){var t=parseInt(this[e],10);return t>Number.MAX_SAFE_INTEGER?1/0:t},t.hexadecimalInteger=function(e){if(this[e]){var t=(this[e]||"0x").slice(2);t=(1&t.length?"0":"")+t;for(var r=new Uint8Array(t.length/2),a=0;a<t.length/2;a++)r[a]=parseInt(t.slice(2*a,2*a+2),16);return r}return null},t.hexadecimalIntegerAsNumber=function(e){var t=parseInt(this[e],16);return t>Number.MAX_SAFE_INTEGER?1/0:t},t.decimalFloatingPoint=function(e){return parseFloat(this[e])},t.enumeratedString=function(e){return this[e]},t.decimalResolution=function(e){var t=E.exec(this[e]);if(null!==t)return{width:parseInt(t[1],10),height:parseInt(t[2],10)}},e.parseAttrList=function(e){var t,r={};for(T.lastIndex=0;null!==(t=T.exec(e));){var a=t[2];0===a.indexOf('"')&&a.lastIndexOf('"')===a.length-1&&(a=a.slice(1,-1)),r[t[1]]=a}return r},e}(),_={audio:{a3ds:!0,"ac-3":!0,"ac-4":!0,alac:!0,alaw:!0,dra1:!0,"dts+":!0,"dts-":!0,dtsc:!0,dtse:!0,dtsh:!0,"ec-3":!0,enca:!0,g719:!0,g726:!0,m4ae:!0,mha1:!0,mha2:!0,mhm1:!0,mhm2:!0,mlpa:!0,mp4a:!0,"raw ":!0,Opus:!0,samr:!0,sawb:!0,sawp:!0,sevc:!0,sqcp:!0,ssmv:!0,twos:!0,ulaw:!0},video:{avc1:!0,avc2:!0,avc3:!0,avc4:!0,avcp:!0,drac:!0,dvav:!0,dvhe:!0,encv:!0,hev1:!0,hvc1:!0,mjp2:!0,mp4v:!0,mvc1:!0,mvc2:!0,mvc3:!0,mvc4:!0,resv:!0,rv60:!0,s263:!0,svc1:!0,svc2:!0,"vc-1":!0,vp08:!0,vp09:!0}};function A(e,t){return MediaSource.isTypeSupported((t||"video")+'/mp4;codecs="'+e+'"')}var R=/#EXT-X-STREAM-INF:([^\n\r]*)[\r\n]+([^\r\n]+)/g,L=/#EXT-X-MEDIA:(.*)/g,w=new RegExp([/#EXTINF:\s*(\d*(?:\.\d+)?)(?:,(.*)\s+)?/.source,/|(?!#)([\S+ ?]+)/.source,/|#EXT-X-BYTERANGE:*(.+)/.source,/|#EXT-X-PROGRAM-DATE-TIME:(.+)/.source,/|#.*/.source].join(""),"g"),D=/(?:(?:#(EXTM3U))|(?:#EXT-X-(PLAYLIST-TYPE):(.+))|(?:#EXT-X-(MEDIA-SEQUENCE): *(\d+))|(?:#EXT-X-(TARGETDURATION): *(\d+))|(?:#EXT-X-(KEY):(.+))|(?:#EXT-X-(START):(.+))|(?:#EXT-X-(ENDLIST))|(?:#EXT-X-(DISCONTINUITY-SEQ)UENCE:(\d+))|(?:#EXT-X-(DIS)CONTINUITY))|(?:#EXT-X-(VERSION):(\d+))|(?:#EXT-X-(MAP):(.+))|(?:(#)([^:]*):(.*))|(?:(#)(.*))(?:.*)\r?\n?/,k=/\.(mp4|m4s|m4v|m4a)$/i,O=function(){function e(){}return e.findGroup=function(e,t){for(var r=0;r<e.length;r++){var a=e[r];if(a.id===t)return a}},e.convertAVC1ToAVCOTI=function(e){var t,r=e.split(".");return r.length>2?(t=r.shift()+".",t+=parseInt(r.shift()).toString(16),t+=("000"+parseInt(r.shift()).toString(16)).substr(-4)):t=e,t},e.resolve=function(e,t){return n.buildAbsoluteURL(t,e,{alwaysNormalize:!0})},e.parseMasterPlaylist=function(t,r){var a,i=[];function n(e,t){["video","audio"].forEach((function(r){var a=e.filter((function(e){return function(e,t){var r=_[t];return!!r&&!0===r[e.slice(0,4)]}(e,r)}));if(a.length){var i=a.filter((function(e){return 0===e.lastIndexOf("avc1",0)||0===e.lastIndexOf("mp4a",0)}));t[r+"Codec"]=i.length>0?i[0]:a[0],e=e.filter((function(e){return-1===a.indexOf(e)}))}})),t.unknownCodecs=e}for(R.lastIndex=0;null!=(a=R.exec(t));){var s={},o=s.attrs=new S(a[1]);s.url=e.resolve(a[2],r);var l=o.decimalResolution("RESOLUTION");l&&(s.width=l.width,s.height=l.height),s.bitrate=o.decimalInteger("AVERAGE-BANDWIDTH")||o.decimalInteger("BANDWIDTH"),s.name=o.NAME,n([].concat((o.CODECS||"").split(/[ ,]+/)),s),s.videoCodec&&-1!==s.videoCodec.indexOf("avc1")&&(s.videoCodec=e.convertAVC1ToAVCOTI(s.videoCodec)),i.push(s)}return i},e.parseMasterPlaylistMedia=function(t,r,a,i){var n;void 0===i&&(i=[]);var s=[],o=0;for(L.lastIndex=0;null!==(n=L.exec(t));){var l=new S(n[1]);if(l.TYPE===a){var d={id:o++,groupId:l["GROUP-ID"],name:l.NAME||l.LANGUAGE,type:a,default:"YES"===l.DEFAULT,autoselect:"YES"===l.AUTOSELECT,forced:"YES"===l.FORCED,lang:l.LANGUAGE};if(l.URI&&(d.url=e.resolve(l.URI,r)),i.length){var u=e.findGroup(i,d.groupId);d.audioCodec=u?u.codec:i[0].codec}s.push(d)}}return s},e.parseLevelPlaylist=function(e,t,r,a,i){var n,s,l,u=0,f=0,h=new b(t),c=0,v=null,g=new m,y=null;for(w.lastIndex=0;null!==(n=w.exec(e));){var E=n[1];if(E){g.duration=parseFloat(E);var T=(" "+n[2]).slice(1);g.title=T||null,g.tagList.push(T?["INF",E,T]:["INF",E])}else if(n[3]){if(Object(o.a)(g.duration)){var _=u++;g.type=a,g.start=f,l&&(g.levelkey=l),g.sn=_,g.level=r,g.cc=c,g.urlId=i,g.baseurl=t,g.relurl=(" "+n[3]).slice(1),x(g,v),h.fragments.push(g),v=g,f+=g.duration,g=new m}}else if(n[4]){var A=(" "+n[4]).slice(1);v?g.setByteRange(A,v):g.setByteRange(A)}else if(n[5])g.rawProgramDateTime=(" "+n[5]).slice(1),g.tagList.push(["PROGRAM-DATE-TIME",g.rawProgramDateTime]),null===y&&(y=h.fragments.length);else{if(!(n=n[0].match(D))){d.b.warn("No matches on slow regex match for level playlist!");continue}for(s=1;s<n.length&&void 0===n[s];s++);var R=(" "+n[s+1]).slice(1),L=(" "+n[s+2]).slice(1);switch(n[s]){case"#":g.tagList.push(L?[R,L]:[R]);break;case"PLAYLIST-TYPE":h.type=R.toUpperCase();break;case"MEDIA-SEQUENCE":u=h.startSN=parseInt(R);break;case"TARGETDURATION":h.targetduration=parseFloat(R);break;case"VERSION":h.version=parseInt(R);break;case"EXTM3U":break;case"ENDLIST":h.live=!1;break;case"DIS":c++,g.tagList.push(["DIS"]);break;case"DISCONTINUITY-SEQ":c=parseInt(R);break;case"KEY":var O=new S(R),I=O.enumeratedString("METHOD"),C=O.URI,P=O.hexadecimalInteger("IV");I&&(l=new p(t,C),C&&["AES-128","SAMPLE-AES","SAMPLE-AES-CENC"].indexOf(I)>=0&&(l.method=I,l.key=null,l.iv=P));break;case"START":var F=new S(R).decimalFloatingPoint("TIME-OFFSET");Object(o.a)(F)&&(h.startTimeOffset=F);break;case"MAP":var M=new S(R);g.relurl=M.URI,M.BYTERANGE&&g.setByteRange(M.BYTERANGE),g.baseurl=t,g.level=r,g.type=a,g.sn="initSegment",h.initSegment=g,(g=new m).rawProgramDateTime=h.initSegment.rawProgramDateTime;break;default:d.b.warn("line parsed but not handled: "+n)}}}return(g=v)&&!g.relurl&&(h.fragments.pop(),f-=g.duration),h.totalduration=f,h.averagetargetduration=f/h.fragments.length,h.endSN=u-1,h.startCC=h.fragments[0]?h.fragments[0].cc:0,h.endCC=c,!h.initSegment&&h.fragments.length&&h.fragments.every((function(e){return k.test(e.relurl)}))&&(d.b.warn("MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX"),(g=new m).relurl=h.fragments[0].relurl,g.baseurl=t,g.level=r,g.type=a,g.sn="initSegment",h.initSegment=g,h.needSidxRanges=!0),y&&function(e,t){for(var r=e[t],a=t-1;a>=0;a--){var i=e[a];i.programDateTime=r.programDateTime-1e3*i.duration,r=i}}(h.fragments,y),h},e}();function x(e,t){e.rawProgramDateTime?e.programDateTime=Date.parse(e.rawProgramDateTime):t&&t.programDateTime&&(e.programDateTime=t.endProgramDateTime),Object(o.a)(e.programDateTime)||(e.programDateTime=null,e.rawProgramDateTime=null)}var I=window.performance,C=function(e){var t,r;function n(t){var r;return(r=e.call(this,t,l.a.MANIFEST_LOADING,l.a.LEVEL_LOADING,l.a.AUDIO_TRACK_LOADING,l.a.SUBTITLE_TRACK_LOADING)||this).loaders={},r}r=e,(t=n).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r,n.canHaveQualityLevels=function(e){return e!==a.AUDIO_TRACK&&e!==a.SUBTITLE_TRACK},n.mapContextToLevelType=function(e){switch(e.type){case a.AUDIO_TRACK:return i.AUDIO;case a.SUBTITLE_TRACK:return i.SUBTITLE;default:return i.MAIN}},n.getResponseUrl=function(e,t){var r=e.url;return void 0!==r&&0!==r.indexOf("data:")||(r=t.url),r};var u=n.prototype;return u.createInternalLoader=function(e){var t=this.hls.config,r=t.pLoader,a=t.loader,i=new(r||a)(t);return e.loader=i,this.loaders[e.type]=i,i},u.getInternalLoader=function(e){return this.loaders[e.type]},u.resetInternalLoader=function(e){this.loaders[e]&&delete this.loaders[e]},u.destroyInternalLoaders=function(){for(var e in this.loaders){var t=this.loaders[e];t&&t.destroy(),this.resetInternalLoader(e)}},u.destroy=function(){this.destroyInternalLoaders(),e.prototype.destroy.call(this)},u.onManifestLoading=function(e){this.load({url:e.url,type:a.MANIFEST,level:0,id:null,responseType:"text"})},u.onLevelLoading=function(e){this.load({url:e.url,type:a.LEVEL,level:e.level,id:e.id,responseType:"text"})},u.onAudioTrackLoading=function(e){this.load({url:e.url,type:a.AUDIO_TRACK,level:null,id:e.id,responseType:"text"})},u.onSubtitleTrackLoading=function(e){this.load({url:e.url,type:a.SUBTITLE_TRACK,level:null,id:e.id,responseType:"text"})},u.load=function(e){var t=this.hls.config;d.b.debug("Loading playlist of type "+e.type+", level: "+e.level+", id: "+e.id);var r,i,n,s,o=this.getInternalLoader(e);if(o){var l=o.context;if(l&&l.url===e.url)return d.b.trace("playlist request ongoing"),!1;d.b.warn("aborting previous loader for type: "+e.type),o.abort()}switch(e.type){case a.MANIFEST:r=t.manifestLoadingMaxRetry,i=t.manifestLoadingTimeOut,n=t.manifestLoadingRetryDelay,s=t.manifestLoadingMaxRetryTimeout;break;case a.LEVEL:r=0,s=0,n=0,i=t.levelLoadingTimeOut;break;default:r=t.levelLoadingMaxRetry,i=t.levelLoadingTimeOut,n=t.levelLoadingRetryDelay,s=t.levelLoadingMaxRetryTimeout}o=this.createInternalLoader(e);var u={timeout:i,maxRetry:r,retryDelay:n,maxRetryDelay:s},f={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};return d.b.debug("Calling internal loader delegate for URL: "+e.url),o.load(e,u,f),!0},u.loadsuccess=function(e,t,r,a){if(void 0===a&&(a=null),r.isSidxRequest)return this._handleSidxRequest(e,r),void this._handlePlaylistLoaded(e,t,r,a);if(this.resetInternalLoader(r.type),"string"!=typeof e.data)throw new Error('expected responseType of "text" for PlaylistLoader');var i=e.data;t.tload=I.now(),0===i.indexOf("#EXTM3U")?i.indexOf("#EXTINF:")>0||i.indexOf("#EXT-X-TARGETDURATION:")>0?this._handleTrackOrLevelPlaylist(e,t,r,a):this._handleMasterPlaylist(e,t,r,a):this._handleManifestParsingError(e,r,"no EXTM3U delimiter",a)},u.loaderror=function(e,t,r){void 0===r&&(r=null),this._handleNetworkError(t,r,!1,e)},u.loadtimeout=function(e,t,r){void 0===r&&(r=null),this._handleNetworkError(t,r,!0)},u._handleMasterPlaylist=function(e,t,r,a){var i=this.hls,s=e.data,o=n.getResponseUrl(e,r),u=O.parseMasterPlaylist(s,o);if(u.length){var f=u.map((function(e){return{id:e.attrs.AUDIO,codec:e.audioCodec}})),h=O.parseMasterPlaylistMedia(s,o,"AUDIO",f),c=O.parseMasterPlaylistMedia(s,o,"SUBTITLES");if(h.length){var v=!1;h.forEach((function(e){e.url||(v=!0)})),!1===v&&u[0].audioCodec&&!u[0].attrs.AUDIO&&(d.b.log("audio codec signaled in quality level, but no embedded audio track signaled, create one"),h.unshift({type:"main",name:"main",default:!1,autoselect:!1,forced:!1,id:-1}))}i.trigger(l.a.MANIFEST_LOADED,{levels:u,audioTracks:h,subtitles:c,url:o,stats:t,networkDetails:a})}else this._handleManifestParsingError(e,r,"no level found in manifest",a)},u._handleTrackOrLevelPlaylist=function(e,t,r,i){var s=this.hls,d=r.id,u=r.level,f=r.type,h=n.getResponseUrl(e,r),c=Object(o.a)(d)?d:0,v=Object(o.a)(u)?u:c,p=n.mapContextToLevelType(r),g=O.parseLevelPlaylist(e.data,h,v,p,c);if(g.tload=t.tload,f===a.MANIFEST){var m={url:h,details:g};s.trigger(l.a.MANIFEST_LOADED,{levels:[m],audioTracks:[],url:h,stats:t,networkDetails:i})}if(t.tparsed=I.now(),g.needSidxRanges){var y=g.initSegment.url;this.load({url:y,isSidxRequest:!0,type:f,level:u,levelDetails:g,id:d,rangeStart:0,rangeEnd:2048,responseType:"arraybuffer"})}else r.levelDetails=g,this._handlePlaylistLoaded(e,t,r,i)},u._handleSidxRequest=function(e,t){if("string"==typeof e.data)throw new Error("sidx request must be made with responseType of array buffer");var r=h.a.parseSegmentIndex(new Uint8Array(e.data));if(r){var a=r.references,i=t.levelDetails;a.forEach((function(e,t){var r=e.info;if(i){var a=i.fragments[t];0===a.byteRange.length&&a.setByteRange(String(1+r.end-r.start)+"@"+String(r.start))}})),i&&i.initSegment.setByteRange(String(r.moovEndOffset)+"@0")}},u._handleManifestParsingError=function(e,t,r,a){this.hls.trigger(l.a.ERROR,{type:s.b.NETWORK_ERROR,details:s.a.MANIFEST_PARSING_ERROR,fatal:!0,url:e.url,reason:r,networkDetails:a})},u._handleNetworkError=function(e,t,r,i){var n,o;void 0===r&&(r=!1),void 0===i&&(i=null),d.b.info("A network error occured while loading a "+e.type+"-type playlist");var u=this.getInternalLoader(e);switch(e.type){case a.MANIFEST:n=r?s.a.MANIFEST_LOAD_TIMEOUT:s.a.MANIFEST_LOAD_ERROR,o=!0;break;case a.LEVEL:n=r?s.a.LEVEL_LOAD_TIMEOUT:s.a.LEVEL_LOAD_ERROR,o=!1;break;case a.AUDIO_TRACK:n=r?s.a.AUDIO_TRACK_LOAD_TIMEOUT:s.a.AUDIO_TRACK_LOAD_ERROR,o=!1;break;default:o=!1}u&&(u.abort(),this.resetInternalLoader(e.type));var f={type:s.b.NETWORK_ERROR,details:n,fatal:o,url:e.url,loader:u,context:e,networkDetails:t};i&&(f.response=i),this.hls.trigger(l.a.ERROR,f)},u._handlePlaylistLoaded=function(e,t,r,i){var s=r.type,o=r.level,d=r.id,u=r.levelDetails;if(u&&u.targetduration)if(n.canHaveQualityLevels(r.type))this.hls.trigger(l.a.LEVEL_LOADED,{details:u,level:o||0,id:d||0,stats:t,networkDetails:i});else switch(s){case a.AUDIO_TRACK:this.hls.trigger(l.a.AUDIO_TRACK_LOADED,{details:u,id:d,stats:t,networkDetails:i});break;case a.SUBTITLE_TRACK:this.hls.trigger(l.a.SUBTITLE_TRACK_LOADED,{details:u,id:d,stats:t,networkDetails:i})}else this._handleManifestParsingError(e,r,"invalid target duration",i)},n}(f);var P=function(e){var t,r;function a(t){var r;return(r=e.call(this,t,l.a.FRAG_LOADING)||this).loaders={},r}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var i=a.prototype;return i.destroy=function(){var t=this.loaders;for(var r in t){var a=t[r];a&&a.destroy()}this.loaders={},e.prototype.destroy.call(this)},i.onFragLoading=function(e){var t=e.frag,r=t.type,a=this.loaders,i=this.hls.config,n=i.fLoader,s=i.loader;t.loaded=0;var l,u,f,h=a[r];h&&(d.b.warn("abort previous fragment loader for type: "+r),h.abort()),h=a[r]=t.loader=i.fLoader?new n(i):new s(i),l={url:t.url,frag:t,responseType:"arraybuffer",progressData:!1};var c=t.byteRangeStartOffset,v=t.byteRangeEndOffset;Object(o.a)(c)&&Object(o.a)(v)&&(l.rangeStart=c,l.rangeEnd=v),u={timeout:i.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:i.fragLoadingMaxRetryTimeout},f={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this),onProgress:this.loadprogress.bind(this)},h.load(l,u,f)},i.loadsuccess=function(e,t,r,a){void 0===a&&(a=null);var i=e.data,n=r.frag;n.loader=void 0,this.loaders[n.type]=void 0,this.hls.trigger(l.a.FRAG_LOADED,{payload:i,frag:n,stats:t,networkDetails:a})},i.loaderror=function(e,t,r){void 0===r&&(r=null);var a=t.frag,i=a.loader;i&&i.abort(),this.loaders[a.type]=void 0,this.hls.trigger(l.a.ERROR,{type:s.b.NETWORK_ERROR,details:s.a.FRAG_LOAD_ERROR,fatal:!1,frag:t.frag,response:e,networkDetails:r})},i.loadtimeout=function(e,t,r){void 0===r&&(r=null);var a=t.frag,i=a.loader;i&&i.abort(),this.loaders[a.type]=void 0,this.hls.trigger(l.a.ERROR,{type:s.b.NETWORK_ERROR,details:s.a.FRAG_LOAD_TIMEOUT,fatal:!1,frag:t.frag,networkDetails:r})},i.loadprogress=function(e,t,r,a){void 0===a&&(a=null);var i=t.frag;i.loaded=e.loaded,this.hls.trigger(l.a.FRAG_LOAD_PROGRESS,{frag:i,stats:e,networkDetails:a})},a}(f);var F=function(e){var t,r;function a(t){var r;return(r=e.call(this,t,l.a.KEY_LOADING)||this).loaders={},r.decryptkey=null,r.decrypturl=null,r}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var i=a.prototype;return i.destroy=function(){for(var t in this.loaders){var r=this.loaders[t];r&&r.destroy()}this.loaders={},e.prototype.destroy.call(this)},i.onKeyLoading=function(e){var t=e.frag,r=t.type,a=this.loaders[r];if(t.decryptdata){var i=t.decryptdata.uri;if(i!==this.decrypturl||null===this.decryptkey){var n=this.hls.config;if(a&&(d.b.warn("abort previous key loader for type:"+r),a.abort()),!i)return void d.b.warn("key uri is falsy");t.loader=this.loaders[r]=new n.loader(n),this.decrypturl=i,this.decryptkey=null;var s={url:i,frag:t,responseType:"arraybuffer"},o={timeout:n.fragLoadingTimeOut,maxRetry:0,retryDelay:n.fragLoadingRetryDelay,maxRetryDelay:n.fragLoadingMaxRetryTimeout},u={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};t.loader.load(s,o,u)}else this.decryptkey&&(t.decryptdata.key=this.decryptkey,this.hls.trigger(l.a.KEY_LOADED,{frag:t}))}else d.b.warn("Missing decryption data on fragment in onKeyLoading")},i.loadsuccess=function(e,t,r){var a=r.frag;a.decryptdata?(this.decryptkey=a.decryptdata.key=new Uint8Array(e.data),a.loader=void 0,delete this.loaders[a.type],this.hls.trigger(l.a.KEY_LOADED,{frag:a})):d.b.error("after key load, decryptdata unset")},i.loaderror=function(e,t){var r=t.frag,a=r.loader;a&&a.abort(),delete this.loaders[r.type],this.hls.trigger(l.a.ERROR,{type:s.b.NETWORK_ERROR,details:s.a.KEY_LOAD_ERROR,fatal:!1,frag:r,response:e})},i.loadtimeout=function(e,t){var r=t.frag,a=r.loader;a&&a.abort(),delete this.loaders[r.type],this.hls.trigger(l.a.ERROR,{type:s.b.NETWORK_ERROR,details:s.a.KEY_LOAD_TIMEOUT,fatal:!1,frag:r})},a}(f);var M="NOT_LOADED",U="APPENDING",B="PARTIAL",N="OK",G=function(e){var t,r;function a(t){var r;return(r=e.call(this,t,l.a.BUFFER_APPENDED,l.a.FRAG_BUFFERED,l.a.FRAG_LOADED)||this).bufferPadding=.2,r.fragments=Object.create(null),r.timeRanges=Object.create(null),r.config=t.config,r}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var i=a.prototype;return i.destroy=function(){this.fragments=Object.create(null),this.timeRanges=Object.create(null),this.config=null,f.prototype.destroy.call(this),e.prototype.destroy.call(this)},i.getBufferedFrag=function(e,t){var r=this.fragments,a=Object.keys(r).filter((function(a){var i=r[a];if(i.body.type!==t)return!1;if(!i.buffered)return!1;var n=i.body;return n.startPTS<=e&&e<=n.endPTS}));if(0===a.length)return null;var i=a.pop();return r[i].body},i.detectEvictedFragments=function(e,t){var r,a,i=this;Object.keys(this.fragments).forEach((function(n){var s=i.fragments[n];if(!0===s.buffered){var o=s.range[e];if(o){r=o.time;for(var l=0;l<r.length;l++)if(a=r[l],!1===i.isTimeBuffered(a.startPTS,a.endPTS,t)){i.removeFragment(s.body);break}}}}))},i.detectPartialFragments=function(e){var t=this,r=this.getFragmentKey(e),a=this.fragments[r];a&&(a.buffered=!0,Object.keys(this.timeRanges).forEach((function(r){if(e.hasElementaryStream(r)){var i=t.timeRanges[r];a.range[r]=t.getBufferedTimes(e.startPTS,e.endPTS,i)}})))},i.getBufferedTimes=function(e,t,r){for(var a,i,n=[],s=!1,o=0;o<r.length;o++){if(a=r.start(o)-this.bufferPadding,i=r.end(o)+this.bufferPadding,e>=a&&t<=i){n.push({startPTS:Math.max(e,r.start(o)),endPTS:Math.min(t,r.end(o))});break}if(e<i&&t>a)n.push({startPTS:Math.max(e,r.start(o)),endPTS:Math.min(t,r.end(o))}),s=!0;else if(t<=a)break}return{time:n,partial:s}},i.getFragmentKey=function(e){return e.type+"_"+e.level+"_"+e.urlId+"_"+e.sn},i.getPartialFragment=function(e){var t,r,a,i=this,n=null,s=0;return Object.keys(this.fragments).forEach((function(o){var l=i.fragments[o];i.isPartial(l)&&(r=l.body.startPTS-i.bufferPadding,a=l.body.endPTS+i.bufferPadding,e>=r&&e<=a&&(t=Math.min(e-r,a-e),s<=t&&(n=l.body,s=t)))})),n},i.getState=function(e){var t=this.getFragmentKey(e),r=this.fragments[t],a=M;return void 0!==r&&(a=r.buffered?!0===this.isPartial(r)?B:N:U),a},i.isPartial=function(e){return!0===e.buffered&&(void 0!==e.range.video&&!0===e.range.video.partial||void 0!==e.range.audio&&!0===e.range.audio.partial)},i.isTimeBuffered=function(e,t,r){for(var a,i,n=0;n<r.length;n++){if(a=r.start(n)-this.bufferPadding,i=r.end(n)+this.bufferPadding,e>=a&&t<=i)return!0;if(t<=a)return!1}return!1},i.onFragLoaded=function(e){var t=e.frag;Object(o.a)(t.sn)&&!t.bitrateTest&&(this.fragments[this.getFragmentKey(t)]={body:t,range:Object.create(null),buffered:!1})},i.onBufferAppended=function(e){var t=this;this.timeRanges=e.timeRanges,Object.keys(this.timeRanges).forEach((function(e){var r=t.timeRanges[e];t.detectEvictedFragments(e,r)}))},i.onFragBuffered=function(e){this.detectPartialFragments(e.frag)},i.hasFragment=function(e){var t=this.getFragmentKey(e);return void 0!==this.fragments[t]},i.removeFragment=function(e){var t=this.getFragmentKey(e);delete this.fragments[t]},i.removeAllFragments=function(){this.fragments=Object.create(null)},a}(f),j={search:function(e,t){for(var r=0,a=e.length-1,i=null,n=null;r<=a;){var s=t(n=e[i=(r+a)/2|0]);if(s>0)r=i+1;else{if(!(s<0))return n;a=i-1}}return null}},K=function(){function e(){}return e.isBuffered=function(e,t){try{if(e)for(var r=e.buffered,a=0;a<r.length;a++)if(t>=r.start(a)&&t<=r.end(a))return!0}catch(e){}return!1},e.bufferInfo=function(e,t,r){try{if(e){var a,i=e.buffered,n=[];for(a=0;a<i.length;a++)n.push({start:i.start(a),end:i.end(a)});return this.bufferedInfo(n,t,r)}}catch(e){}return{len:0,start:t,end:t,nextStart:void 0}},e.bufferedInfo=function(e,t,r){e.sort((function(e,t){var r=e.start-t.start;return r||t.end-e.end}));var a=[];if(r)for(var i=0;i<e.length;i++){var n=a.length;if(n){var s=a[n-1].end;e[i].start-s<r?e[i].end>s&&(a[n-1].end=e[i].end):a.push(e[i])}else a.push(e[i])}else a=e;for(var o,l=0,d=t,u=t,f=0;f<a.length;f++){var h=a[f].start,c=a[f].end;if(t+r>=h&&t<c)d=h,l=(u=c)-t;else if(t+r<h){o=h;break}}return{len:l,start:d,end:u,nextStart:o}},e.getBufferedPosWithinTolerance=function(t,r,a){var i=t?t.currentTime:void 0;if(e.isBuffered(t,i))return r;for(var n=t.buffered,s=0;s<n.length;s++){var o=n.start(s);if(o>i&&o<i+a)return Math.ceil(10*o)/10}return r},e}(),H=r(8),V=r(11),W=r(9);function Y(){return window.MediaSource||window.WebKitMediaSource}var z=r(5);var X=function(e){var t,r;function a(){return e.apply(this,arguments)||this}return r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r,a.prototype.trigger=function(e){for(var t=arguments.length,r=new Array(t>1?t-1:0),a=1;a<t;a++)r[a-1]=arguments[a];this.emit.apply(this,[e,e].concat(r))},a}(H.EventEmitter),q=Object(z.a)(),Q=Y()||{isTypeSupported:function(){return!1}},Z=function(){function e(e,t){var r=this;this.hls=e,this.id=t;var a=this.observer=new X,i=e.config,n=function(t,a){(a=a||{}).frag=r.frag,a.id=r.id,e.trigger(t,a)};a.on(l.a.FRAG_DECRYPTED,n),a.on(l.a.FRAG_PARSING_INIT_SEGMENT,n),a.on(l.a.FRAG_PARSING_DATA,n),a.on(l.a.FRAG_PARSED,n),a.on(l.a.ERROR,n),a.on(l.a.FRAG_PARSING_METADATA,n),a.on(l.a.FRAG_PARSING_USERDATA,n),a.on(l.a.INIT_PTS_FOUND,n);var o={mp4:Q.isTypeSupported("video/mp4"),mpeg:Q.isTypeSupported("audio/mpeg"),mp3:Q.isTypeSupported('audio/mp4; codecs="mp3"')},u=navigator.vendor;if(i.enableWorker&&"undefined"!=typeof Worker){var f;d.b.log("demuxing in webworker");try{f=this.w=V(12),this.onwmsg=this.onWorkerMessage.bind(this),f.addEventListener("message",this.onwmsg),f.onerror=function(t){e.trigger(l.a.ERROR,{type:s.b.OTHER_ERROR,details:s.a.INTERNAL_EXCEPTION,fatal:!0,event:"demuxerWorker",err:{message:t.message+" ("+t.filename+":"+t.lineno+")"}})},f.postMessage({cmd:"init",typeSupported:o,vendor:u,id:t,config:JSON.stringify(i)})}catch(e){d.b.warn("Error in worker:",e),d.b.error("Error while initializing DemuxerWorker, fallback on DemuxerInline"),f&&q.URL.revokeObjectURL(f.objectURL),this.demuxer=new W.a(a,o,i,u),this.w=void 0}}else this.demuxer=new W.a(a,o,i,u)}var t=e.prototype;return t.destroy=function(){var e=this.w;if(e)e.removeEventListener("message",this.onwmsg),e.terminate(),this.w=null;else{var t=this.demuxer;t&&(t.destroy(),this.demuxer=null)}var r=this.observer;r&&(r.removeAllListeners(),this.observer=null)},t.push=function(e,t,r,a,i,n,s,l){var u=this.w,f=Object(o.a)(i.startPTS)?i.startPTS:i.start,h=i.decryptdata,c=this.frag,v=!(c&&i.cc===c.cc),p=!(c&&i.level===c.level),g=c&&i.sn===c.sn+1,m=!p&&g;if(v&&d.b.log(this.id+":discontinuity detected"),p&&d.b.log(this.id+":switch detected"),this.frag=i,u)u.postMessage({cmd:"demux",data:e,decryptdata:h,initSegment:t,audioCodec:r,videoCodec:a,timeOffset:f,discontinuity:v,trackSwitch:p,contiguous:m,duration:n,accurateTimeOffset:s,defaultInitPTS:l},e instanceof ArrayBuffer?[e]:[]);else{var y=this.demuxer;y&&y.push(e,h,t,r,a,f,v,p,m,n,s,l)}},t.onWorkerMessage=function(e){var t=e.data,r=this.hls;switch(t.event){case"init":q.URL.revokeObjectURL(this.w.objectURL);break;case l.a.FRAG_PARSING_DATA:t.data.data1=new Uint8Array(t.data1),t.data2&&(t.data.data2=new Uint8Array(t.data2));default:t.data=t.data||{},t.data.frag=this.frag,t.data.id=this.id,r.trigger(t.event,t.data)}},e}();function J(e,t,r){switch(t){case"audio":e.audioGroupIds||(e.audioGroupIds=[]),e.audioGroupIds.push(r);break;case"text":e.textGroupIds||(e.textGroupIds=[]),e.textGroupIds.push(r)}}function $(e,t,r){var a=e[t],i=e[r],n=i.startPTS;Object(o.a)(n)?r>t?(a.duration=n-a.start,a.duration<0&&d.b.warn("negative duration computed for frag "+a.sn+",level "+a.level+", there should be some duration drift between playlist and fragment!")):(i.duration=a.start-n,i.duration<0&&d.b.warn("negative duration computed for frag "+i.sn+",level "+i.level+", there should be some duration drift between playlist and fragment!")):i.start=r>t?a.start+a.duration:Math.max(a.start-i.duration,0)}function ee(e,t,r,a,i,n){var s=r;if(Object(o.a)(t.startPTS)){var l=Math.abs(t.startPTS-r);Object(o.a)(t.deltaPTS)?t.deltaPTS=Math.max(l,t.deltaPTS):t.deltaPTS=l,s=Math.max(r,t.startPTS),r=Math.min(r,t.startPTS),a=Math.max(a,t.endPTS),i=Math.min(i,t.startDTS),n=Math.max(n,t.endDTS)}var d=r-t.start;t.start=t.startPTS=r,t.maxStartPTS=s,t.endPTS=a,t.startDTS=i,t.endDTS=n,t.duration=a-r;var u,f,h,c=t.sn;if(!e||c<e.startSN||c>e.endSN)return 0;for(u=c-e.startSN,(f=e.fragments)[u]=t,h=u;h>0;h--)$(f,h,h-1);for(h=u;h<f.length-1;h++)$(f,h,h+1);return e.PTSKnown=!0,d}function te(e,t,r){if(e&&t)for(var a=Math.max(e.startSN,t.startSN)-t.startSN,i=Math.min(e.endSN,t.endSN)-t.startSN,n=t.startSN-e.startSN,s=a;s<=i;s++){var o=e.fragments[n+s],l=t.fragments[s];if(!o||!l)break;r(o,l,s)}}var re={toString:function(e){for(var t="",r=e.length,a=0;a<r;a++)t+="["+e.start(a).toFixed(3)+","+e.end(a).toFixed(3)+"]";return t}};function ae(e,t){t.fragments.forEach((function(t){if(t){var r=t.start+e;t.start=t.startPTS=r,t.endPTS=r+t.duration}})),t.PTSKnown=!0}function ie(e,t,r){!function(e,t,r){if(function(e,t,r){var a=!1;return t&&t.details&&r&&(r.endCC>r.startCC||e&&e.cc<r.startCC)&&(a=!0),a}(e,r,t)){var a=function(e,t){var r=e.fragments,a=t.fragments;if(a.length&&r.length){var i=function(e,t){for(var r=null,a=0;a<e.length;a+=1){var i=e[a];if(i&&i.cc===t){r=i;break}}return r}(r,a[0].cc);if(i&&(!i||i.startPTS))return i;d.b.log("No frag in previous level to align on")}else d.b.log("No fragments to align")}(r.details,t);a&&(d.b.log("Adjusting PTS using last level due to CC increase within current level"),ae(a.start,t))}}(e,r,t),!r.PTSKnown&&t&&function(e,t){if(t&&t.fragments.length){if(!e.hasProgramDateTime||!t.hasProgramDateTime)return;var r=t.fragments[0].programDateTime,a=(e.fragments[0].programDateTime-r)/1e3+t.fragments[0].start;Object(o.a)(a)&&(d.b.log("adjusting PTS using programDateTime delta, sliding:"+a.toFixed(3)),ae(a,e))}}(r,t.details)}function ne(e,t,r){void 0===e&&(e=0),void 0===t&&(t=0);var a=Math.min(t,r.duration+(r.deltaPTS?r.deltaPTS:0));return r.start+r.duration-a<=e?1:r.start-a>e&&r.start?-1:0}function se(e,t,r){var a=1e3*Math.min(t,r.duration+(r.deltaPTS?r.deltaPTS:0));return(r.endProgramDateTime||0)-a>e}var oe=function(){function e(e,t,r,a){this.config=e,this.media=t,this.fragmentTracker=r,this.hls=a,this.nudgeRetry=0,this.stallReported=!1,this.stalled=null,this.moved=!1,this.seeking=!1}var t=e.prototype;return t.poll=function(e){var t=this.config,r=this.media,a=this.stalled,i=r.currentTime,n=r.seeking,s=this.seeking&&!n,o=!this.seeking&&n;if(this.seeking=n,i===e){if((o||s)&&(this.stalled=null),this.config.seekWithinTolerance&&(n||s)&&this.seekWithinToleranceIfNeeded(),!r.paused&&!r.ended&&0!==r.playbackRate&&r.buffered.length){var l=K.bufferInfo(r,i,0),u=l.len>0,f=l.nextStart||0;if(u||f){if(n){if(l.len>2||(!f||f-i>2))return;this.moved=!1}if(!this.moved&&this.stalled){var h=Math.max(f,l.start||0)-i;if(h>0&&h<=2)return void this._trySkipBufferHole(null)}var c=self.performance.now();if(null!==a){var v=c-a;!n&&v>=250&&this._reportStall(l.len);var p=K.bufferInfo(r,i,t.maxBufferHole);this._tryFixBufferStall(p,v)}else this.stalled=c}}}else if(this.moved=!0,null!==a){if(this.stallReported){var g=self.performance.now()-a;d.b.warn("playback not stuck anymore @"+i+", after "+Math.round(g)+"ms"),this.stallReported=!1}this.stalled=null,this.nudgeRetry=0}},t.seekWithinToleranceIfNeeded=function(){var e=this.media,t=e?e.currentTime:void 0,r=this.config.maxFragLookUpTolerance,a=K.getBufferedPosWithinTolerance(e,t,r);return t!==a&&(d.b.log("seeking to position within maxFragLookUpTolerance - "+a),e.currentTime=a,!0)},t._tryFixBufferStall=function(e,t){var r=this.config,a=this.fragmentTracker,i=this.media.currentTime,n=a.getPartialFragment(i);if(n&&this._trySkipBufferHole(n))return;e.len>r.maxBufferHole&&t>1e3*r.highBufferWatchdogPeriod&&(d.b.warn("Trying to nudge playhead over buffer-hole"),this.stalled=null,this._tryNudgeBuffer())},t._reportStall=function(e){var t=this.hls,r=this.media;this.stallReported||(this.stallReported=!0,d.b.warn("Playback stalling at @"+r.currentTime+" due to low buffer"),t.trigger(l.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_STALLED_ERROR,fatal:!1,buffer:e}))},t._trySkipBufferHole=function(e){for(var t=this.config,r=this.hls,a=this.media,i=a.currentTime,n=0,o=0;o<a.buffered.length;o++){var u=a.buffered.start(o);if(i+t.maxBufferHole>=n&&i<u){var f=Math.max(u+.05,a.currentTime+.1);return d.b.warn("skipping hole, adjusting currentTime from "+i+" to "+f),this.moved=!0,this.stalled=null,a.currentTime=f,e&&r.trigger(l.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_SEEK_OVER_HOLE,fatal:!1,reason:"fragment loaded with buffer holes, seeking from "+i+" to "+f,frag:e}),f}n=a.buffered.end(o)}return 0},t._tryNudgeBuffer=function(){var e=this.config,t=this.hls,r=this.media,a=r.currentTime,i=(this.nudgeRetry||0)+1;if(this.nudgeRetry=i,i<e.nudgeMaxRetry){var n=a+i*e.nudgeOffset;d.b.warn("Nudging 'currentTime' from "+a+" to "+n),r.currentTime=n,t.trigger(l.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_NUDGE_ON_STALL,fatal:!1})}else d.b.error("Playhead still not moving while enough data buffered @"+a+" after "+e.nudgeMaxRetry+" nudges"),t.trigger(l.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_STALLED_ERROR,fatal:!0})},e}();function le(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}var de="STOPPED",ue="IDLE",fe="KEY_LOADING",he="FRAG_LOADING",ce="FRAG_LOADING_WAITING_RETRY",ve="PARSING",pe="PARSED",ge="BUFFER_FLUSHING",me="ENDED",ye="ERROR",be="WAITING_LEVEL";function Ee(e,t){for(var r=0;r<t.length;r++){var a=t[r];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(e,a.key,a)}}var Te=function(e){var t,r;function a(t,r){var a;return(a=e.call(this,t,l.a.MEDIA_ATTACHED,l.a.MEDIA_DETACHING,l.a.MANIFEST_LOADING,l.a.MANIFEST_PARSED,l.a.LEVEL_LOADED,l.a.KEY_LOADED,l.a.FRAG_LOADED,l.a.FRAG_LOAD_EMERGENCY_ABORTED,l.a.FRAG_PARSING_INIT_SEGMENT,l.a.FRAG_PARSING_DATA,l.a.FRAG_PARSED,l.a.ERROR,l.a.AUDIO_TRACK_SWITCHING,l.a.AUDIO_TRACK_SWITCHED,l.a.BUFFER_CREATED,l.a.BUFFER_APPENDED,l.a.BUFFER_FLUSHED)||this).fragmentTracker=r,a.config=t.config,a.audioCodecSwap=!1,a._state=de,a.stallReported=!1,a.gapController=null,a.altAudio=!1,a}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var n,u,f,h=a.prototype;return h.startLoad=function(e){if(this.levels){var t=this.lastCurrentTime,r=this.hls;if(this.stopLoad(),this.setInterval(100),this.level=-1,this.fragLoadError=0,!this.startFragRequested){var a=r.startLevel;-1===a&&(a=0,this.bitrateTest=!0),this.level=r.nextLoadLevel=a,this.loadedmetadata=!1}t>0&&-1===e&&(d.b.log("override startPosition with lastCurrentTime @"+t.toFixed(3)),e=t),this.state=ue,this.nextLoadPosition=this.startPosition=this.lastCurrentTime=e,this.tick()}else this.forceStartLoad=!0,this.state=de},h.stopLoad=function(){this.forceStartLoad=!1,e.prototype.stopLoad.call(this)},h.doTick=function(){switch(this.state){case ge:this.fragLoadError=0;break;case ue:this._doTickIdle();break;case be:var e=this.levels[this.level];e&&e.details&&(this.state=ue);break;case ce:var t=window.performance.now(),r=this.retryDate;(!r||t>=r||this.media&&this.media.seeking)&&(d.b.log("mediaController: retryDate reached, switch back to IDLE state"),this.state=ue)}this._checkBuffer(),this._checkFragmentChanged()},h._doTickIdle=function(){var e=this.hls,t=e.config,r=this.media;if(void 0!==this.levelLastLoaded&&(r||!this.startFragRequested&&t.startFragPrefetch)){var a;a=this.loadedmetadata?r.currentTime:this.nextLoadPosition;var i=e.nextLoadLevel,n=this.levels[i];if(n){var s,o=n.bitrate;s=o?Math.max(8*t.maxBufferSize/o,t.maxBufferLength):t.maxBufferLength,s=Math.min(s,t.maxMaxBufferLength);var u=K.bufferInfo(this.mediaBuffer?this.mediaBuffer:r,a,t.maxBufferHole),f=u.len;if(!(f>=s)){d.b.trace("buffer length of "+f.toFixed(3)+" is below max of "+s.toFixed(3)+". checking for more payload ..."),this.level=e.nextLoadLevel=i;var h=n.details;if(!h||h.live&&this.levelLastLoaded!==i)this.state=be;else{if(this._streamEnded(u,h)){var c={};return this.altAudio&&(c.type="video"),this.hls.trigger(l.a.BUFFER_EOS,c),void(this.state=me)}this._fetchPayloadOrEos(a,u,h)}}}}},h._fetchPayloadOrEos=function(e,t,r){var a=this.fragPrevious,i=this.level,n=r.fragments,s=n.length;if(0!==s){var o,l=n[0].start,u=n[s-1].start+n[s-1].duration,f=t.end;if(r.initSegment&&!r.initSegment.data)o=r.initSegment;else if(r.live){var h=this.config.initialLiveManifestSize;if(s<h)return void d.b.warn("Can not start playback of a level, reason: not enough fragments "+s+" < "+h);if(null===(o=this._ensureFragmentAtLivePoint(r,f,l,u,a,n,s)))return}else f<l&&(o=n[0]);o||(o=this._findFragment(l,a,s,n,f,u,r)),o&&(o.encrypted?(d.b.log("Loading key for "+o.sn+" of ["+r.startSN+" ,"+r.endSN+"],level "+i),this._loadKey(o)):(d.b.log("Loading "+o.sn+" of ["+r.startSN+" ,"+r.endSN+"],level "+i+", currentTime:"+e.toFixed(3)+",bufferEnd:"+f.toFixed(3)),this._loadFragment(o)))}},h._ensureFragmentAtLivePoint=function(e,t,r,a,i,n,s){var l,u=this.hls.config,f=this.media,h=void 0!==u.liveMaxLatencyDuration?u.liveMaxLatencyDuration:u.liveMaxLatencyDurationCount*e.targetduration;if(t<Math.max(r-u.maxFragLookUpTolerance,a-h)){var c=this.liveSyncPosition=this.computeLivePosition(r,e);t=c,f&&!f.paused&&f.readyState&&f.duration>c&&c>f.currentTime&&(d.b.log("buffer end: "+t.toFixed(3)+" is located too far from the end of live sliding playlist, reset currentTime to : "+c.toFixed(3)),f.currentTime=c),this.nextLoadPosition=c}if(e.PTSKnown&&t>a&&f&&f.readyState)return null;if(this.startFragRequested&&!e.PTSKnown){if(i)if(e.hasProgramDateTime)d.b.log("live playlist, switching playlist, load frag with same PDT: "+i.programDateTime),l=function(e,t,r){if(null===t||!Array.isArray(e)||!e.length||!Object(o.a)(t))return null;if(t<(e[0].programDateTime||0))return null;if(t>=(e[e.length-1].endProgramDateTime||0))return null;r=r||0;for(var a=0;a<e.length;++a){var i=e[a];if(se(t,r,i))return i}return null}(n,i.endProgramDateTime,u.maxFragLookUpTolerance);else{var v=i.sn+1;if(v>=e.startSN&&v<=e.endSN){var p=n[v-e.startSN];i.cc===p.cc&&(l=p,d.b.log("live playlist, switching playlist, load frag with next SN: "+l.sn))}l||(l=j.search(n,(function(e){return i.cc-e.cc})))&&d.b.log("live playlist, switching playlist, load frag with same CC: "+l.sn)}l||(l=n[Math.min(s-1,Math.round(s/2))],d.b.log("live playlist, switching playlist, unknown, load middle frag : "+l.sn))}return l},h._findFragment=function(e,t,r,a,i,n,s){var o,l=this.hls.config;i<n?o=function(e,t,r,a){void 0===r&&(r=0),void 0===a&&(a=0);var i=e?t[e.sn-t[0].sn+1]:null;return i&&!ne(r,a,i)?i:j.search(t,ne.bind(null,r,a))}(t,a,i,i>n-l.maxFragLookUpTolerance?0:l.maxFragLookUpTolerance):o=a[r-1];if(o){var u=o.sn-s.startSN,f=t&&o.level===t.level,h=a[u-1],c=a[u+1];if(t&&o.sn===t.sn)if(f&&!o.backtracked)if(o.sn<s.endSN){var v=t.deltaPTS;v&&v>l.maxBufferHole&&t.dropped&&u?(o=h,d.b.warn("Previous fragment was dropped with large PTS gap between audio and video. Maybe fragment is not starting with a keyframe? Loading previous one to try to overcome this")):(o=c,d.b.log("Re-loading fragment with SN: "+o.sn))}else o=null;else o.backtracked&&(c&&c.backtracked?(d.b.warn("Already backtracked from fragment "+c.sn+", will not backtrack to fragment "+o.sn+". Loading fragment "+c.sn),o=c):(d.b.warn("Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe"),o.dropped=0,h?(o=h).backtracked=!0:u&&(o=null)))}return o},h._loadKey=function(e){this.state=fe,this.hls.trigger(l.a.KEY_LOADING,{frag:e})},h._loadFragment=function(e){var t=this.fragmentTracker.getState(e);this.fragCurrent=e,"initSegment"!==e.sn&&(this.startFragRequested=!0),Object(o.a)(e.sn)&&!e.bitrateTest&&(this.nextLoadPosition=e.start+e.duration),e.backtracked||t===M||t===B?(e.autoLevel=this.hls.autoLevelEnabled,e.bitrateTest=this.bitrateTest,this.hls.trigger(l.a.FRAG_LOADING,{frag:e}),this.demuxer||(this.demuxer=new Z(this.hls,"main")),this.state=he):t===U&&this._reduceMaxBufferLength(e.duration)&&this.fragmentTracker.removeFragment(e)},h.getBufferedFrag=function(e){return this.fragmentTracker.getBufferedFrag(e,i.MAIN)},h.followingBufferedFrag=function(e){return e?this.getBufferedFrag(e.endPTS+.5):null},h._checkFragmentChanged=function(){var e,t,r=this.media;if(r&&r.readyState&&!1===r.seeking&&((t=r.currentTime)>this.lastCurrentTime&&(this.lastCurrentTime=t),K.isBuffered(r,t)?e=this.getBufferedFrag(t):K.isBuffered(r,t+.1)&&(e=this.getBufferedFrag(t+.1)),e)){var a=e;if(a!==this.fragPlaying){this.hls.trigger(l.a.FRAG_CHANGED,{frag:a});var i=a.level;this.fragPlaying&&this.fragPlaying.level===i||this.hls.trigger(l.a.LEVEL_SWITCHED,{level:i}),this.fragPlaying=a}}},h.immediateLevelSwitch=function(){if(d.b.log("immediateLevelSwitch"),!this.immediateSwitch){this.immediateSwitch=!0;var e,t=this.media;t?(e=t.paused,t.pause()):e=!0,this.previouslyPaused=e}var r=this.fragCurrent;r&&r.loader&&r.loader.abort(),this.fragCurrent=null,this.flushMainBuffer(0,Number.POSITIVE_INFINITY)},h.immediateLevelSwitchEnd=function(){var e=this.media;e&&e.buffered.length&&(this.immediateSwitch=!1,K.isBuffered(e,e.currentTime)&&(e.currentTime-=1e-4),this.previouslyPaused||e.play())},h.nextLevelSwitch=function(){var e=this.media;if(e&&e.readyState){var t,r,a;if((r=this.getBufferedFrag(e.currentTime))&&r.startPTS>1&&this.flushMainBuffer(0,r.startPTS-1),e.paused)t=0;else{var i=this.hls.nextLoadLevel,n=this.levels[i],s=this.fragLastKbps;t=s&&this.fragCurrent?this.fragCurrent.duration*n.bitrate/(1e3*s)+1:0}if((a=this.getBufferedFrag(e.currentTime+t))&&(a=this.followingBufferedFrag(a))){var o=this.fragCurrent;o&&o.loader&&o.loader.abort(),this.fragCurrent=null,this.flushMainBuffer(a.maxStartPTS,Number.POSITIVE_INFINITY)}}},h.flushMainBuffer=function(e,t){this.state=ge;var r={startOffset:e,endOffset:t};this.altAudio&&(r.type="video"),this.hls.trigger(l.a.BUFFER_FLUSHING,r)},h.onMediaAttached=function(e){var t=this.media=this.mediaBuffer=e.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvseeked=this.onMediaSeeked.bind(this),this.onvended=this.onMediaEnded.bind(this),t.addEventListener("seeking",this.onvseeking),t.addEventListener("seeked",this.onvseeked),t.addEventListener("ended",this.onvended);var r=this.config;this.levels&&r.autoStartLoad&&this.hls.startLoad(r.startPosition),this.gapController=new oe(r,t,this.fragmentTracker,this.hls)},h.onMediaDetaching=function(){var e=this.media;e&&e.ended&&(d.b.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0);var t=this.levels;t&&t.forEach((function(e){e.details&&e.details.fragments.forEach((function(e){e.backtracked=void 0}))})),e&&(e.removeEventListener("seeking",this.onvseeking),e.removeEventListener("seeked",this.onvseeked),e.removeEventListener("ended",this.onvended),this.onvseeking=this.onvseeked=this.onvended=null),this.fragmentTracker.removeAllFragments(),this.media=this.mediaBuffer=null,this.loadedmetadata=!1,this.stopLoad()},h.onMediaSeeked=function(){var e=this.media,t=e?e.currentTime:void 0;this.config.seekWithinTolerance&&this.gapController.seekWithinToleranceIfNeeded()||this.hls.trigger(l.a.CAN_PLAY_AFTER_SEEK),Object(o.a)(t)&&d.b.log("media seeked to "+t.toFixed(3)),this.tick()},h.onManifestLoading=function(){d.b.log("trigger BUFFER_RESET"),this.hls.trigger(l.a.BUFFER_RESET),this.fragmentTracker.removeAllFragments(),this.stalled=!1,this.startPosition=this.lastCurrentTime=0},h.onManifestParsed=function(e){var t,r=!1,a=!1;e.levels.forEach((function(e){(t=e.audioCodec)&&(-1!==t.indexOf("mp4a.40.2")&&(r=!0),-1!==t.indexOf("mp4a.40.5")&&(a=!0))})),this.audioCodecSwitch=r&&a,this.audioCodecSwitch&&d.b.log("both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC"),this.altAudio=e.altAudio,this.levels=e.levels,this.startFragRequested=!1;var i=this.config;(i.autoStartLoad||this.forceStartLoad)&&this.hls.startLoad(i.startPosition)},h.onLevelLoaded=function(e){var t=e.details,r=e.level,a=this.levels[this.levelLastLoaded],i=this.levels[r],n=t.totalduration,s=0;if(d.b.log("level "+r+" loaded ["+t.startSN+","+t.endSN+"],duration:"+n),t.live){var u=i.details;u&&t.fragments.length>0?(!function(e,t){t.initSegment&&e.initSegment&&(t.initSegment=e.initSegment);var r,a=0;if(te(e,t,(function(e,i){a=e.cc-i.cc,Object(o.a)(e.startPTS)&&(i.start=i.startPTS=e.startPTS,i.endPTS=e.endPTS,i.duration=e.duration,i.backtracked=e.backtracked,i.dropped=e.dropped,r=i),t.PTSKnown=!0})),t.PTSKnown){if(a){d.b.log("discontinuity sliding from playlist, take drift into account");for(var i=t.fragments,n=0;n<i.length;n++)i[n].cc+=a}r?ee(t,r,r.startPTS,r.endPTS,r.startDTS,r.endDTS):function(e,t){var r=t.startSN-e.startSN,a=e.fragments,i=t.fragments;if(r<0||r>a.length)return;for(var n=0;n<i.length;n++)i[n].start+=a[r].start}(e,t),t.PTSKnown=e.PTSKnown}}(u,t),s=t.fragments[0].start,this.liveSyncPosition=this.computeLivePosition(s,u),t.PTSKnown&&Object(o.a)(s)?d.b.log("live playlist sliding:"+s.toFixed(3)):(d.b.log("live playlist - outdated PTS, unknown sliding"),ie(this.fragPrevious,a,t))):(d.b.log("live playlist - first load, unknown sliding"),t.PTSKnown=!1,ie(this.fragPrevious,a,t))}else t.PTSKnown=!1;if(i.details=t,this.levelLastLoaded=r,this.hls.trigger(l.a.LEVEL_UPDATED,{details:t,level:r}),!1===this.startFragRequested){if(-1===this.startPosition||-1===this.lastCurrentTime){var f=t.startTimeOffset;Object(o.a)(f)?(f<0&&(d.b.log("negative start time offset "+f+", count from end of last fragment"),f=s+n+f),d.b.log("start time offset found in playlist, adjust startPosition to "+f),this.startPosition=f):t.live?(this.startPosition=this.computeLivePosition(s,t),d.b.log("configure startPosition to "+this.startPosition)):this.startPosition=0,this.lastCurrentTime=this.startPosition}this.nextLoadPosition=this.startPosition}this.state===be&&(this.state=ue),this.tick()},h.onKeyLoaded=function(){this.state===fe&&(this.state=ue,this.tick())},h.onFragLoaded=function(e){var t=this.fragCurrent,r=this.hls,a=this.levels,i=this.media,n=e.frag;if(this.state===he&&t&&"main"===n.type&&n.level===t.level&&n.sn===t.sn){var s=e.stats,o=a[t.level],u=o.details;if(this.bitrateTest=!1,this.stats=s,d.b.log("Loaded "+t.sn+" of ["+u.startSN+" ,"+u.endSN+"],level "+t.level),n.bitrateTest&&r.nextLoadLevel)this.state=ue,this.startFragRequested=!1,s.tparsed=s.tbuffered=window.performance.now(),r.trigger(l.a.FRAG_BUFFERED,{stats:s,frag:t,id:"main"}),this.tick();else if("initSegment"===n.sn)this.state=ue,s.tparsed=s.tbuffered=window.performance.now(),u.initSegment.data=e.payload,r.trigger(l.a.FRAG_BUFFERED,{stats:s,frag:t,id:"main"}),this.tick();else{d.b.log("Parsing "+t.sn+" of ["+u.startSN+" ,"+u.endSN+"],level "+t.level+", cc "+t.cc),this.state=ve,this.pendingBuffering=!0,this.appended=!1,n.bitrateTest&&(n.bitrateTest=!1,this.fragmentTracker.onFragLoaded({frag:n}));var f=!(i&&i.seeking)&&(u.PTSKnown||!u.live),h=u.initSegment?u.initSegment.data:[],c=this._getAudioCodec(o);(this.demuxer=this.demuxer||new Z(this.hls,"main")).push(e.payload,h,c,o.videoCodec,t,u.totalduration,f)}}this.fragLoadError=0},h.onFragParsingInitSegment=function(e){var t=this.fragCurrent,r=e.frag;if(t&&"main"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===ve){var a,i,n=e.tracks;if(n.audio&&this.altAudio&&delete n.audio,i=n.audio){var s=this.levels[this.level].audioCodec,o=navigator.userAgent.toLowerCase();s&&this.audioCodecSwap&&(d.b.log("swapping playlist audio codec"),s=-1!==s.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5"),this.audioCodecSwitch&&1!==i.metadata.channelCount&&-1===o.indexOf("firefox")&&(s="mp4a.40.5"),-1!==o.indexOf("android")&&"audio/mpeg"!==i.container&&(s="mp4a.40.2",d.b.log("Android: force audio codec to "+s)),i.levelCodec=s,i.id=e.id}for(a in(i=n.video)&&(i.levelCodec=this.levels[this.level].videoCodec,i.id=e.id),this.hls.trigger(l.a.BUFFER_CODECS,n),n){i=n[a],d.b.log("main track:"+a+",container:"+i.container+",codecs[level/parsed]=["+i.levelCodec+"/"+i.codec+"]");var u=i.initSegment;u&&(this.appended=!0,this.pendingBuffering=!0,this.hls.trigger(l.a.BUFFER_APPENDING,{type:a,data:u,parent:"main",content:"initSegment"}))}this.tick()}},h.onFragParsingData=function(e){var t=this,r=this.fragCurrent,a=e.frag;if(r&&"main"===e.id&&a.sn===r.sn&&a.level===r.level&&("audio"!==e.type||!this.altAudio)&&this.state===ve){var i=this.levels[this.level],n=r;if(Object(o.a)(e.endPTS)||(e.endPTS=e.startPTS+r.duration,e.endDTS=e.startDTS+r.duration),!0===e.hasAudio&&n.addElementaryStream(v.AUDIO),!0===e.hasVideo&&n.addElementaryStream(v.VIDEO),d.b.log("Parsed "+e.type+",PTS:["+e.startPTS.toFixed(3)+","+e.endPTS.toFixed(3)+"],DTS:["+e.startDTS.toFixed(3)+"/"+e.endDTS.toFixed(3)+"],nb:"+e.nb+",dropped:"+(e.dropped||0)),"video"===e.type)if(n.dropped=e.dropped,n.dropped)if(n.backtracked)d.b.warn("Already backtracked on this fragment, appending with the gap",n.sn);else{var s=i.details;if(!s||n.sn!==s.startSN)return d.b.warn("missing video frame(s), backtracking fragment",n.sn),this.fragmentTracker.removeFragment(n),n.backtracked=!0,this.nextLoadPosition=e.startPTS,this.state=ue,this.fragPrevious=n,void this.tick();d.b.warn("missing video frame(s) on first frag, appending with gap",n.sn)}else n.backtracked=!1;var u=ee(i.details,n,e.startPTS,e.endPTS,e.startDTS,e.endDTS),f=this.hls;f.trigger(l.a.LEVEL_PTS_UPDATED,{details:i.details,level:this.level,drift:u,type:e.type,start:e.startPTS,end:e.endPTS}),[e.data1,e.data2].forEach((function(r){r&&r.length&&t.state===ve&&(t.appended=!0,t.pendingBuffering=!0,f.trigger(l.a.BUFFER_APPENDING,{type:e.type,data:r,parent:"main",content:"data"}))})),this.tick()}},h.onFragParsed=function(e){var t=this.fragCurrent,r=e.frag;t&&"main"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===ve&&(this.stats.tparsed=window.performance.now(),this.state=pe,this._checkAppendedParsed())},h.onAudioTrackSwitching=function(e){var t=!!e.url,r=e.id;if(!t){if(this.mediaBuffer!==this.media){d.b.log("switching on main audio, use media.buffered to schedule main fragment loading"),this.mediaBuffer=this.media;var a=this.fragCurrent;a.loader&&(d.b.log("switching to main audio track, cancel main fragment load"),a.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.state=ue}var i=this.hls;i.trigger(l.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),i.trigger(l.a.AUDIO_TRACK_SWITCHED,{id:r}),this.altAudio=!1}},h.onAudioTrackSwitched=function(e){var t=e.id,r=!!this.hls.audioTracks[t].url;if(r){var a=this.videoBuffer;a&&this.mediaBuffer!==a&&(d.b.log("switching on alternate audio, use video.buffered to schedule main fragment loading"),this.mediaBuffer=a)}this.altAudio=r,this.tick()},h.onBufferCreated=function(e){var t,r,a=e.tracks,i=!1;for(var n in a){var s=a[n];"main"===s.id?(r=n,t=s,"video"===n&&(this.videoBuffer=a[n].buffer)):i=!0}i&&t?(d.b.log("alternate track found, use "+r+".buffered to schedule main fragment loading"),this.mediaBuffer=t.buffer):this.mediaBuffer=this.media},h.onBufferAppended=function(e){if("main"===e.parent){var t=this.state;t!==ve&&t!==pe||(this.pendingBuffering=e.pending>0,this._checkAppendedParsed())}},h._checkAppendedParsed=function(){if(!(this.state!==pe||this.appended&&this.pendingBuffering)){var e=this.fragCurrent;if(e){var t=this.mediaBuffer?this.mediaBuffer:this.media;d.b.log("main buffered : "+re.toString(t.buffered)),this.fragPrevious=e;var r=this.stats;r.tbuffered=window.performance.now(),this.fragLastKbps=Math.round(8*r.total/(r.tbuffered-r.tfirst)),this.hls.trigger(l.a.FRAG_BUFFERED,{stats:r,frag:e,id:"main"}),this.state=ue}this.tick()}},h.onError=function(e){var t=e.frag||this.fragCurrent;if(!t||"main"===t.type){var r=!!this.media&&K.isBuffered(this.media,this.media.currentTime)&&K.isBuffered(this.media,this.media.currentTime+.5);switch(e.details){case s.a.FRAG_LOAD_ERROR:case s.a.FRAG_LOAD_TIMEOUT:case s.a.KEY_LOAD_ERROR:case s.a.KEY_LOAD_TIMEOUT:if(!e.fatal)if(this.fragLoadError+1<=this.config.fragLoadingMaxRetry){var a=Math.min(Math.pow(2,this.fragLoadError)*this.config.fragLoadingRetryDelay,this.config.fragLoadingMaxRetryTimeout);d.b.warn("mediaController: frag loading failed, retry in "+a+" ms"),this.retryDate=window.performance.now()+a,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.fragLoadError++,this.state=ce}else d.b.error("mediaController: "+e.details+" reaches max retry, redispatch as fatal ..."),e.fatal=!0,this.state=ye;break;case s.a.LEVEL_LOAD_ERROR:case s.a.LEVEL_LOAD_TIMEOUT:this.state!==ye&&(e.fatal?(this.state=ye,d.b.warn("streamController: "+e.details+",switch to "+this.state+" state ...")):e.levelRetry||this.state!==be||(this.state=ue));break;case s.a.BUFFER_FULL_ERROR:"main"!==e.parent||this.state!==ve&&this.state!==pe||(r?(this._reduceMaxBufferLength(this.config.maxBufferLength),this.state=ue):(d.b.warn("buffer full error also media.currentTime is not buffered, flush everything"),this.fragCurrent=null,this.flushMainBuffer(0,Number.POSITIVE_INFINITY)))}}},h._reduceMaxBufferLength=function(e){var t=this.config;return t.maxMaxBufferLength>=e&&(t.maxMaxBufferLength/=2,d.b.warn("main:reduce max buffer length to "+t.maxMaxBufferLength+"s"),!0)},h._checkBuffer=function(){var e=this.media;if(e&&0!==e.readyState){var t=(this.mediaBuffer?this.mediaBuffer:e).buffered;!this.loadedmetadata&&t.length?(this.loadedmetadata=!0,this._seekToStartPos()):this.immediateSwitch?this.immediateLevelSwitchEnd():this.gapController.poll(this.lastCurrentTime,t)}},h.onFragLoadEmergencyAborted=function(){this.state=ue,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.tick()},h.onBufferFlushed=function(){var e=this.mediaBuffer?this.mediaBuffer:this.media;e&&this.fragmentTracker.detectEvictedFragments(v.VIDEO,e.buffered),this.state=ue,this.fragPrevious=null},h.swapAudioCodec=function(){this.audioCodecSwap=!this.audioCodecSwap},h._seekToStartPos=function(){var e=this.media,t=e.currentTime,r=e.seeking?t:this.startPosition;t!==r&&r>=0&&(d.b.log("target start position not buffered, seek to buffered.start(0) "+r+" from current time "+t+" "),e.currentTime=r)},h._getAudioCodec=function(e){var t=this.config.defaultAudioCodec||e.audioCodec;return this.audioCodecSwap&&(d.b.log("swapping playlist audio codec"),t&&(t=-1!==t.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5")),t},n=a,(u=[{key:"state",set:function(e){if(this.state!==e){var t=this.state;this._state=e,d.b.log("main stream-controller: "+t+"->"+e),this.hls.trigger(l.a.STREAM_STATE_TRANSITION,{previousState:t,nextState:e})}},get:function(){return this._state}},{key:"currentLevel",get:function(){var e=this.media;if(e){var t=this.getBufferedFrag(e.currentTime);if(t)return t.level}return-1}},{key:"nextBufferedFrag",get:function(){var e=this.media;return e?this.followingBufferedFrag(this.getBufferedFrag(e.currentTime)):null}},{key:"nextLevel",get:function(){var e=this.nextBufferedFrag;return e?e.level:-1}},{key:"liveSyncPosition",get:function(){return this._liveSyncPosition},set:function(e){this._liveSyncPosition=e}}])&&Ee(n.prototype,u),f&&Ee(n,f),a}(function(e){var t,r;function a(){return e.apply(this,arguments)||this}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var i=a.prototype;return i.doTick=function(){},i.startLoad=function(){},i.stopLoad=function(){var e=this.fragCurrent;e&&(e.loader&&e.loader.abort(),this.fragmentTracker.removeFragment(e)),this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.fragCurrent=null,this.fragPrevious=null,this.clearInterval(),this.clearNextTick(),this.state=de},i._streamEnded=function(e,t){var r=this.fragCurrent,a=this.fragmentTracker;if(!t.live&&r&&!r.backtracked&&r.sn===t.endSN&&!e.nextStart){var i=a.getState(r);return i===B||i===N}return!1},i.onMediaSeeking=function(){var e=this.config,t=this.media,r=this.mediaBuffer,a=this.state,i=t?t.currentTime:null,n=K.bufferInfo(r||t,i,this.config.maxBufferHole);if(Object(o.a)(i)&&d.b.log("media seeking to "+i.toFixed(3)),a===he){var s=this.fragCurrent;if(0===n.len&&s){var l=e.maxFragLookUpTolerance,u=s.start-l,f=s.start+s.duration+l;i<u||i>f?(s.loader&&(d.b.log("seeking outside of buffer while fragment load in progress, cancel fragment load"),s.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.state=ue):d.b.log("seeking outside of buffer but within currently loaded fragment range")}}else a===me&&(0===n.len&&(this.fragPrevious=null,this.fragCurrent=null),this.state=ue);t&&(this.lastCurrentTime=i),this.loadedmetadata||(this.nextLoadPosition=this.startPosition=i),this.tick()},i.onMediaEnded=function(){this.startPosition=this.lastCurrentTime=0},i.onHandlerDestroying=function(){this.stopLoad(),e.prototype.onHandlerDestroying.call(this)},i.onHandlerDestroyed=function(){this.state=de,this.fragmentTracker=null},i.computeLivePosition=function(e,t){var r=void 0!==this.config.liveSyncDuration?this.config.liveSyncDuration:this.config.liveSyncDurationCount*t.targetduration;return e+Math.max(0,t.totalduration-r)},a}(function(e){var t,r;function a(t){for(var r,a=arguments.length,i=new Array(a>1?a-1:0),n=1;n<a;n++)i[n-1]=arguments[n];return(r=e.call.apply(e,[this,t].concat(i))||this)._boundTick=void 0,r._tickTimer=null,r._tickInterval=null,r._tickCallCount=0,r._boundTick=r.tick.bind(le(r)),r}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var i=a.prototype;return i.onHandlerDestroying=function(){this.clearNextTick(),this.clearInterval()},i.hasInterval=function(){return!!this._tickInterval},i.hasNextTick=function(){return!!this._tickTimer},i.setInterval=function(e){return!this._tickInterval&&(this._tickInterval=self.setInterval(this._boundTick,e),!0)},i.clearInterval=function(){return!!this._tickInterval&&(self.clearInterval(this._tickInterval),this._tickInterval=null,!0)},i.clearNextTick=function(){return!!this._tickTimer&&(self.clearTimeout(this._tickTimer),this._tickTimer=null,!0)},i.tick=function(){this._tickCallCount++,1===this._tickCallCount&&(this.doTick(),this._tickCallCount>1&&(this.clearNextTick(),this._tickTimer=self.setTimeout(this._boundTick,0)),this._tickCallCount=0)},i.doTick=function(){},a}(f)));function Se(e,t){for(var r=0;r<t.length;r++){var a=t[r];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(e,a.key,a)}}window.performance;var _e,Ae=function(e){var t,r;function a(t){var r;return(r=e.call(this,t,l.a.MANIFEST_LOADED,l.a.LEVEL_LOADED,l.a.AUDIO_TRACK_SWITCHED,l.a.FRAG_LOADED,l.a.ERROR)||this).canload=!1,r.currentLevelIndex=null,r.manualLevelIndex=-1,r.timer=null,_e=/chrome|firefox/.test(navigator.userAgent.toLowerCase()),r}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var i,n,o,u=a.prototype;return u.onHandlerDestroying=function(){this.clearTimer(),this.manualLevelIndex=-1},u.clearTimer=function(){null!==this.timer&&(clearTimeout(this.timer),this.timer=null)},u.startLoad=function(){var e=this._levels;this.canload=!0,this.levelRetryCount=0,e&&e.forEach((function(e){e.loadError=0;var t=e.details;t&&t.live&&(e.details=void 0)})),null!==this.timer&&this.loadLevel()},u.stopLoad=function(){this.canload=!1},u.onManifestLoaded=function(e){var t,r=[],a=[],i={},n=null,o=!1,u=!1;if(e.levels.forEach((function(e){var t=e.attrs;e.loadError=0,e.fragmentError=!1,o=o||!!e.videoCodec,u=u||!!e.audioCodec,_e&&e.audioCodec&&-1!==e.audioCodec.indexOf("mp4a.40.34")&&(e.audioCodec=void 0),(n=i[e.bitrate])?n.url.push(e.url):(e.url=[e.url],e.urlId=0,i[e.bitrate]=e,r.push(e)),t&&(t.AUDIO&&(u=!0,J(n||e,"audio",t.AUDIO)),t.SUBTITLES&&J(n||e,"text",t.SUBTITLES))})),o&&u&&(r=r.filter((function(e){return!!e.videoCodec}))),r=r.filter((function(e){var t=e.audioCodec,r=e.videoCodec;return(!t||A(t,"audio"))&&(!r||A(r,"video"))})),e.audioTracks&&(a=e.audioTracks.filter((function(e){return!e.audioCodec||A(e.audioCodec,"audio")}))).forEach((function(e,t){e.id=t})),r.length>0){t=r[0].bitrate,r.sort((function(e,t){return e.bitrate-t.bitrate})),this._levels=r;for(var f=0;f<r.length;f++)if(r[f].bitrate===t){this._firstLevel=f,d.b.log("manifest loaded,"+r.length+" level(s) found, first bitrate:"+t);break}this.hls.trigger(l.a.MANIFEST_PARSED,{levels:r,audioTracks:a,firstLevel:this._firstLevel,stats:e.stats,audio:u,video:o,altAudio:a.some((function(e){return!!e.url}))})}else this.hls.trigger(l.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.MANIFEST_INCOMPATIBLE_CODECS_ERROR,fatal:!0,url:this.hls.url,reason:"no level with compatible codecs found in manifest"})},u.setLevelInternal=function(e){var t=this._levels,r=this.hls;if(e>=0&&e<t.length){if(this.clearTimer(),this.currentLevelIndex!==e){d.b.log("switching to level "+e),this.currentLevelIndex=e;var a=t[e];a.level=e,r.trigger(l.a.LEVEL_SWITCHING,a)}var i=t[e],n=i.details;if(!n||n.live){var o=i.urlId;r.trigger(l.a.LEVEL_LOADING,{url:i.url[o],level:e,id:o})}}else r.trigger(l.a.ERROR,{type:s.b.OTHER_ERROR,details:s.a.LEVEL_SWITCH_ERROR,level:e,fatal:!1,reason:"invalid level idx"})},u.onError=function(e){if(e.fatal)e.type===s.b.NETWORK_ERROR&&this.clearTimer();else{var t,r=!1,a=!1;switch(e.details){case s.a.FRAG_LOAD_ERROR:case s.a.FRAG_LOAD_TIMEOUT:case s.a.KEY_LOAD_ERROR:case s.a.KEY_LOAD_TIMEOUT:t=e.frag.level,a=!0;break;case s.a.LEVEL_LOAD_ERROR:case s.a.LEVEL_LOAD_TIMEOUT:t=e.context.level,r=!0;break;case s.a.REMUX_ALLOC_ERROR:t=e.level,r=!0}void 0!==t&&this.recoverLevel(e,t,r,a)}},u.recoverLevel=function(e,t,r,a){var i,n,s,o=this,l=this.hls.config,u=e.details,f=this._levels[t];if(f.loadError++,f.fragmentError=a,r){if(!(this.levelRetryCount+1<=l.levelLoadingMaxRetry))return d.b.error("level controller, cannot recover from "+u+" error"),this.currentLevelIndex=null,this.clearTimer(),void(e.fatal=!0);n=Math.min(Math.pow(2,this.levelRetryCount)*l.levelLoadingRetryDelay,l.levelLoadingMaxRetryTimeout),this.timer=setTimeout((function(){return o.loadLevel()}),n),e.levelRetry=!0,this.levelRetryCount++,d.b.warn("level controller, "+u+", retry in "+n+" ms, current retry count is "+this.levelRetryCount)}(r||a)&&((i=f.url.length)>1&&f.loadError<i?(f.urlId=(f.urlId+1)%i,f.details=void 0,d.b.warn("level controller, "+u+" for level "+t+": switching to redundant URL-id "+f.urlId)):-1===this.manualLevelIndex?(s=0===t?this._levels.length-1:t-1,d.b.warn("level controller, "+u+": switch to "+s),this.hls.nextAutoLevel=this.currentLevelIndex=s):a&&(d.b.warn("level controller, "+u+": reload a fragment"),this.currentLevelIndex=null))},u.onFragLoaded=function(e){var t=e.frag;if(void 0!==t&&"main"===t.type){var r=this._levels[t.level];void 0!==r&&(r.fragmentError=!1,r.loadError=0,this.levelRetryCount=0)}},u.onLevelLoaded=function(e){var t=this,r=e.level,a=e.details;if(r===this.currentLevelIndex){var i=this._levels[r];if(i.fragmentError||(i.loadError=0,this.levelRetryCount=0),a.live){var n=function(e,t,r){var a=1e3*(t.averagetargetduration?t.averagetargetduration:t.targetduration),i=a/2;return e&&t.endSN===e.endSN&&(a=i),r&&(a=Math.max(i,a-(window.performance.now()-r))),Math.round(a)}(i.details,a,e.stats.trequest);d.b.log("live playlist, reload in "+Math.round(n)+" ms"),this.timer=setTimeout((function(){return t.loadLevel()}),n)}else this.clearTimer()}},u.onAudioTrackSwitched=function(e){var t=this.hls.audioTracks[e.id].groupId,r=this.hls.levels[this.currentLevelIndex];if(r&&r.audioGroupIds){for(var a=-1,i=0;i<r.audioGroupIds.length;i++)if(r.audioGroupIds[i]===t){a=i;break}a!==r.urlId&&(r.urlId=a,this.startLoad())}},u.loadLevel=function(){if(d.b.debug("call to loadLevel"),null!==this.currentLevelIndex&&this.canload){var e=this._levels[this.currentLevelIndex];if("object"==typeof e&&e.url.length>0){var t=this.currentLevelIndex,r=e.urlId,a=e.url[r];d.b.log("Attempt loading level index "+t+" with URL-id "+r),this.hls.trigger(l.a.LEVEL_LOADING,{url:a,level:t,id:r})}}},i=a,(n=[{key:"levels",get:function(){return this._levels}},{key:"level",get:function(){return this.currentLevelIndex},set:function(e){var t=this._levels;t&&(e=Math.min(e,t.length-1),this.currentLevelIndex===e&&t[e].details||this.setLevelInternal(e))}},{key:"manualLevel",get:function(){return this.manualLevelIndex},set:function(e){this.manualLevelIndex=e,void 0===this._startLevel&&(this._startLevel=e),-1!==e&&(this.level=e)}},{key:"firstLevel",get:function(){return this._firstLevel},set:function(e){this._firstLevel=e}},{key:"startLevel",get:function(){if(void 0===this._startLevel){var e=this.hls.config.startLevel;return void 0!==e?e:this._firstLevel}return this._startLevel},set:function(e){this._startLevel=e}},{key:"nextLoadLevel",get:function(){return-1!==this.manualLevelIndex?this.manualLevelIndex:this.hls.nextAutoLevel},set:function(e){this.level=e,-1===this.manualLevelIndex&&(this.hls.nextAutoLevel=e)}}])&&Se(i.prototype,n),o&&Se(i,o),a}(f),Re=r(4);function Le(e,t){var r;try{r=new Event("addtrack")}catch(e){(r=document.createEvent("Event")).initEvent("addtrack",!1,!1)}r.track=e,t.dispatchEvent(r)}function we(e,t){if(t<e[0].endTime)return e[0];if(t>e[e.length-1].endTime)return e[e.length-1];for(var r=0,a=e.length-1;r<=a;){var i=Math.floor((a+r)/2);if(t<e[i].endTime)a=i-1;else{if(!(t>e[i].endTime))return e[i];r=i+1}}return e[r].endTime-t<t-e[a].endTime?e[r]:e[a]}var De=function(e){var t,r;function a(t){var r;return(r=e.call(this,t,l.a.MEDIA_ATTACHED,l.a.MEDIA_DETACHING,l.a.FRAG_PARSING_METADATA,l.a.LIVE_BACK_BUFFER_REACHED)||this).id3Track=void 0,r.media=void 0,r}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var i=a.prototype;return i.destroy=function(){f.prototype.destroy.call(this)},i.onMediaAttached=function(e){this.media=e.media,this.media},i.onMediaDetaching=function(){!function(e){if(e&&e.cues)for(;e.cues.length>0;)e.removeCue(e.cues[0])}(this.id3Track),this.id3Track=void 0,this.media=void 0},i.getID3Track=function(e){for(var t=0;t<e.length;t++){var r=e[t];if("metadata"===r.kind&&"id3"===r.label)return Le(r,this.media),r}return this.media.addTextTrack("metadata","id3")},i.onLiveBackBufferReached=function(e){var t=e.bufferEnd;if(this.id3Track&&this.id3Track.cues&&this.id3Track.cues.length){var r=we(this.id3Track.cues,t);if(r)for(var a=!0;a;){var i=this.id3Track.cues[0];if(!this.id3Track.cues.length||i.id===r.id)return void(a=!1);this.id3Track.removeCue(i)}}},i.onFragParsingMetadata=function(e){var t=e.frag,r=e.samples;this.id3Track||(this.id3Track=this.getID3Track(this.media.textTracks),this.id3Track.mode="hidden");for(var a=window.WebKitDataCue||window.VTTCue||window.TextTrackCue,i=0;i<r.length;i++){var n=Re.a.getID3Frames(r[i].data);if(n){var s=r[i].pts,o=i<r.length-1?r[i+1].pts:t.endPTS;s===o?o+=1e-4:s>o&&(d.b.warn("detected an id3 sample with endTime < startTime, adjusting endTime to (startTime + 0.25)"),o=s+.25);for(var l=0;l<n.length;l++){var u=n[l];if(!Re.a.isTimeStampFrame(u)){var f=new a(s,o,"");f.value=u,this.id3Track.addCue(f)}}}}},i.onLiveBackBufferReached=function(e){var t=e.bufferEnd,r=this.id3Track;if(r&&r.cues&&r.cues.length){var a=we(r.cues,t);if(a)for(;r.cues[0]!==a;)r.removeCue(r.cues[0])}},a}(f);var ke=function(){function e(e){this.alpha_=void 0,this.estimate_=void 0,this.totalWeight_=void 0,this.alpha_=e?Math.exp(Math.log(.5)/e):0,this.estimate_=0,this.totalWeight_=0}var t=e.prototype;return t.sample=function(e,t){var r=Math.pow(this.alpha_,e);this.estimate_=t*(1-r)+r*this.estimate_,this.totalWeight_+=e},t.getTotalWeight=function(){return this.totalWeight_},t.getEstimate=function(){if(this.alpha_){var e=1-Math.pow(this.alpha_,this.totalWeight_);return this.estimate_/e}return this.estimate_},e}(),Oe=function(){function e(e,t,r,a){this.hls=void 0,this.defaultEstimate_=void 0,this.minWeight_=void 0,this.minDelayMs_=void 0,this.slow_=void 0,this.fast_=void 0,this.hls=e,this.defaultEstimate_=a,this.minWeight_=.001,this.minDelayMs_=50,this.slow_=new ke(t),this.fast_=new ke(r)}var t=e.prototype;return t.sample=function(e,t){var r=(e=Math.max(e,this.minDelayMs_))/1e3,a=8*t/r;this.fast_.sample(r,a),this.slow_.sample(r,a)},t.canEstimate=function(){var e=this.fast_;return e&&e.getTotalWeight()>=this.minWeight_},t.getEstimate=function(){return this.canEstimate()?Math.min(this.fast_.getEstimate(),this.slow_.getEstimate()):this.defaultEstimate_},t.destroy=function(){},e}();function xe(e,t){for(var r=0;r<t.length;r++){var a=t[r];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(e,a.key,a)}}var Ie=window.performance,Ce=function(e){var t,r;function a(t){var r;return(r=e.call(this,t,l.a.FRAG_LOADING,l.a.FRAG_LOADED,l.a.FRAG_BUFFERED,l.a.ERROR)||this).lastLoadedFragLevel=0,r._nextAutoLevel=-1,r.hls=t,r.timer=null,r._bwEstimator=null,r.onCheck=r._abandonRulesCheck.bind(function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(r)),r}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var i,n,u,h=a.prototype;return h.destroy=function(){this.clearTimer(),f.prototype.destroy.call(this)},h.onFragLoading=function(e){var t=e.frag;if("main"===t.type&&(this.timer||(this.fragCurrent=t,this.timer=setInterval(this.onCheck,100)),!this._bwEstimator)){var r,a,i=this.hls,n=i.config,s=t.level;i.levels[s].details.live?(r=n.abrEwmaFastLive,a=n.abrEwmaSlowLive):(r=n.abrEwmaFastVoD,a=n.abrEwmaSlowVoD),this._bwEstimator=new Oe(i,a,r,n.abrEwmaDefaultEstimate)}},h._abandonRulesCheck=function(){var e=this.hls,t=e.media,r=this.fragCurrent;if(r){var a=r.loader,i=e.minAutoLevel;if(!a||a.stats&&a.stats.aborted)return d.b.warn("frag loader destroy or aborted, disarm abandonRules"),this.clearTimer(),void(this._nextAutoLevel=-1);var n=a.stats;if(t&&n&&(!t.paused&&0!==t.playbackRate||!t.readyState)&&r.autoLevel&&r.level){var s=Ie.now()-n.trequest,o=Math.abs(t.playbackRate);if(s>500*r.duration/o){var u=e.levels,f=Math.max(1,n.bw?n.bw/8:1e3*n.loaded/s),h=u[r.level],c=h.realBitrate?Math.max(h.realBitrate,h.bitrate):h.bitrate,v=n.total?n.total:Math.max(n.loaded,Math.round(r.duration*c/8)),p=t.currentTime,g=(v-n.loaded)/f,m=(K.bufferInfo(t,p,e.config.maxBufferHole).end-p)/o;if(m<2*r.duration/o&&g>m){var y;for(y=r.level-1;y>i;y--){var b=u[y].realBitrate?Math.max(u[y].realBitrate,u[y].bitrate):u[y].bitrate;if(r.duration*b/(6.4*f)<m)break}void 0<g&&(d.b.warn("loading too slow, abort fragment loading and switch to level "+y+":fragLoadedDelay["+y+"]<fragLoadedDelay["+(r.level-1)+"];bufferStarvationDelay:"+(void 0).toFixed(1)+"<"+g.toFixed(1)+":"+m.toFixed(1)),e.nextLoadLevel=y,this._bwEstimator.sample(s,n.loaded),a.abort(),this.clearTimer(),e.trigger(l.a.FRAG_LOAD_EMERGENCY_ABORTED,{frag:r,stats:n}))}}}}},h.onFragLoaded=function(e){var t=e.frag;if("main"===t.type&&Object(o.a)(t.sn)){if(this.clearTimer(),this.lastLoadedFragLevel=t.level,this._nextAutoLevel=-1,this.hls.config.abrMaxWithRealBitrate){var r=this.hls.levels[t.level],a=(r.loaded?r.loaded.bytes:0)+e.stats.loaded,i=(r.loaded?r.loaded.duration:0)+e.frag.duration;r.loaded={bytes:a,duration:i},r.realBitrate=Math.round(8*a/i)}if(e.frag.bitrateTest){var n=e.stats;n.tparsed=n.tbuffered=n.tload,this.onFragBuffered(e)}}},h.onFragBuffered=function(e){var t=e.stats,r=e.frag;if(!0!==t.aborted&&"main"===r.type&&Object(o.a)(r.sn)&&(!r.bitrateTest||t.tload===t.tbuffered)){var a=t.tparsed-t.trequest;d.b.log("latency/loading/parsing/append/kbps:"+Math.round(t.tfirst-t.trequest)+"/"+Math.round(t.tload-t.tfirst)+"/"+Math.round(t.tparsed-t.tload)+"/"+Math.round(t.tbuffered-t.tparsed)+"/"+Math.round(8*t.loaded/(t.tbuffered-t.trequest))),this._bwEstimator.sample(a,t.loaded),t.bwEstimate=this._bwEstimator.getEstimate(),r.bitrateTest?this.bitrateTestDelay=a/1e3:this.bitrateTestDelay=0}},h.onError=function(e){switch(e.details){case s.a.FRAG_LOAD_ERROR:case s.a.FRAG_LOAD_TIMEOUT:this.clearTimer()}},h.clearTimer=function(){clearInterval(this.timer),this.timer=null},h._findBestLevel=function(e,t,r,a,i,n,s,o,l){for(var u=i;u>=a;u--){var f=l[u];if(f){var h=f.details,c=h?h.totalduration/h.fragments.length:t,v=!!h&&h.live,p=void 0;p=u<=e?s*r:o*r;var g=l[u].realBitrate?Math.max(l[u].realBitrate,l[u].bitrate):l[u].bitrate,m=g*c/p;if(d.b.trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: "+u+"/"+Math.round(p)+"/"+g+"/"+c+"/"+n+"/"+m),p>g&&(!m||v&&!this.bitrateTestDelay||m<n))return u}}return-1},i=a,(n=[{key:"nextAutoLevel",get:function(){var e=this._nextAutoLevel,t=this._bwEstimator;if(!(-1===e||t&&t.canEstimate()))return e;var r=this._nextABRAutoLevel;return-1!==e&&(r=Math.min(e,r)),r},set:function(e){this._nextAutoLevel=e}},{key:"_nextABRAutoLevel",get:function(){var e=this.hls,t=e.maxAutoLevel,r=e.levels,a=e.config,i=e.minAutoLevel,n=e.media,s=this.lastLoadedFragLevel,o=this.fragCurrent?this.fragCurrent.duration:0,l=n?n.currentTime:0,u=n&&0!==n.playbackRate?Math.abs(n.playbackRate):1,f=this._bwEstimator?this._bwEstimator.getEstimate():a.abrEwmaDefaultEstimate,h=(K.bufferInfo(n,l,a.maxBufferHole).end-l)/u,c=this._findBestLevel(s,o,f,i,t,h,a.abrBandWidthFactor,a.abrBandWidthUpFactor,r);if(c>=0)return c;d.b.trace("rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering");var v=o?Math.min(o,a.maxStarvationDelay):a.maxStarvationDelay,p=a.abrBandWidthFactor,g=a.abrBandWidthUpFactor;if(0===h){var m=this.bitrateTestDelay;m&&(v=(o?Math.min(o,a.maxLoadingDelay):a.maxLoadingDelay)-m,d.b.trace("bitrate test took "+Math.round(1e3*m)+"ms, set first fragment max fetchDuration to "+Math.round(1e3*v)+" ms"),p=g=1)}return c=this._findBestLevel(s,o,f,i,t,h+v,p,g,r),Math.max(c,0)}}])&&xe(i.prototype,n),u&&xe(i,u),a}(f);var Pe=Y(),Fe=function(e){var t,r;function a(t){var r;return(r=e.call(this,t,l.a.MEDIA_ATTACHING,l.a.MEDIA_DETACHING,l.a.MANIFEST_PARSED,l.a.BUFFER_RESET,l.a.BUFFER_APPENDING,l.a.BUFFER_CODECS,l.a.BUFFER_EOS,l.a.BUFFER_FLUSHING,l.a.LEVEL_PTS_UPDATED,l.a.LEVEL_UPDATED)||this)._msDuration=null,r._levelDuration=null,r._levelTargetDuration=10,r._live=null,r._objectUrl=null,r._needsFlush=!1,r._needsEos=!1,r.config=void 0,r.audioTimestampOffset=void 0,r.bufferCodecEventsExpected=0,r._bufferCodecEventsTotal=0,r.media=null,r.mediaSource=null,r.segments=[],r.parent=void 0,r.appending=!1,r.appended=0,r.appendError=0,r.flushBufferCounter=0,r.tracks={},r.pendingTracks={},r.sourceBuffer={},r.flushRange=[],r._onMediaSourceOpen=function(){d.b.log("media source opened"),r.hls.trigger(l.a.MEDIA_ATTACHED,{media:r.media});var e=r.mediaSource;e&&e.removeEventListener("sourceopen",r._onMediaSourceOpen),r.checkPendingTracks()},r._onMediaSourceClose=function(){d.b.log("media source closed")},r._onMediaSourceEnded=function(){d.b.log("media source ended")},r._onSBUpdateEnd=function(){if(r.audioTimestampOffset&&r.sourceBuffer.audio){var e=r.sourceBuffer.audio;d.b.warn("change mpeg audio timestamp offset from "+e.timestampOffset+" to "+r.audioTimestampOffset),e.timestampOffset=r.audioTimestampOffset,delete r.audioTimestampOffset}r._needsFlush&&r.doFlush(),r._needsEos&&r.checkEos(),r.appending=!1;var t=r.parent,a=r.segments.reduce((function(e,r){return r.parent===t?e+1:e}),0),i={},n=r.sourceBuffer;for(var s in n){var o=n[s];if(!o)throw Error("handling source buffer update end error: source buffer for "+s+" uninitilized and unable to update buffered TimeRanges.");i[s]=o.buffered}r.hls.trigger(l.a.BUFFER_APPENDED,{parent:t,pending:a,timeRanges:i}),r._needsFlush||r.doAppending(),r.updateMediaElementDuration(),0===a&&r.flushLiveBackBuffer()},r._onSBUpdateError=function(e){d.b.error("sourceBuffer error:",e),r.hls.trigger(l.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_APPENDING_ERROR,fatal:!1})},r.config=t.config,r}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var i=a.prototype;return i.destroy=function(){f.prototype.destroy.call(this)},i.onLevelPtsUpdated=function(e){var t=e.type,r=this.tracks.audio;if("audio"===t&&r&&"audio/mpeg"===r.container){var a=this.sourceBuffer.audio;if(!a)throw Error("Level PTS Updated and source buffer for audio uninitalized");if(Math.abs(a.timestampOffset-e.start)>.1){var i=a.updating;try{a.abort()}catch(e){d.b.warn("can not abort audio buffer: "+e)}i?this.audioTimestampOffset=e.start:(d.b.warn("change mpeg audio timestamp offset from "+a.timestampOffset+" to "+e.start),a.timestampOffset=e.start)}}},i.onManifestParsed=function(e){this.bufferCodecEventsExpected=this._bufferCodecEventsTotal=e.altAudio?2:1,d.b.log(this.bufferCodecEventsExpected+" bufferCodec event(s) expected")},i.onMediaAttaching=function(e){var t=this.media=e.media;if(t&&Pe){var r=this.mediaSource=new Pe;r.addEventListener("sourceopen",this._onMediaSourceOpen),r.addEventListener("sourceended",this._onMediaSourceEnded),r.addEventListener("sourceclose",this._onMediaSourceClose),t.src=window.URL.createObjectURL(r),this._objectUrl=t.src}},i.onMediaDetaching=function(){d.b.log("media source detaching");var e=this.mediaSource;if(e){if("open"===e.readyState)try{e.endOfStream()}catch(e){d.b.warn("onMediaDetaching:"+e.message+" while calling endOfStream")}e.removeEventListener("sourceopen",this._onMediaSourceOpen),e.removeEventListener("sourceended",this._onMediaSourceEnded),e.removeEventListener("sourceclose",this._onMediaSourceClose),this.media&&(this._objectUrl&&window.URL.revokeObjectURL(this._objectUrl),this.media.src===this._objectUrl?(this.media.removeAttribute("src"),this.media.load()):d.b.warn("media.src was changed by a third party - skip cleanup")),this.mediaSource=null,this.media=null,this._objectUrl=null,this.bufferCodecEventsExpected=this._bufferCodecEventsTotal,this.pendingTracks={},this.tracks={},this.sourceBuffer={},this.flushRange=[],this.segments=[],this.appended=0}this.hls.trigger(l.a.MEDIA_DETACHED)},i.checkPendingTracks=function(){var e=this.bufferCodecEventsExpected,t=this.pendingTracks,r=Object.keys(t).length;(r&&!e||2===r)&&(this.createSourceBuffers(t),this.pendingTracks={},this.doAppending())},i.onBufferReset=function(){var e=this.sourceBuffer;for(var t in e){var r=e[t];try{r&&(this.mediaSource&&this.mediaSource.removeSourceBuffer(r),r.removeEventListener("updateend",this._onSBUpdateEnd),r.removeEventListener("error",this._onSBUpdateError))}catch(e){}}this.sourceBuffer={},this.flushRange=[],this.segments=[],this.appended=0},i.onBufferCodecs=function(e){var t=this;Object.keys(this.sourceBuffer).length||(Object.keys(e).forEach((function(r){t.pendingTracks[r]=e[r]})),this.bufferCodecEventsExpected=Math.max(this.bufferCodecEventsExpected-1,0),this.mediaSource&&"open"===this.mediaSource.readyState&&this.checkPendingTracks())},i.createSourceBuffers=function(e){var t=this.sourceBuffer,r=this.mediaSource;if(!r)throw Error("createSourceBuffers called when mediaSource was null");for(var a in e)if(!t[a]){var i=e[a];if(!i)throw Error("source buffer exists for track "+a+", however track does not");var n=i.levelCodec||i.codec,o=i.container+";codecs="+n;d.b.log("creating sourceBuffer("+o+")");try{var u=t[a]=r.addSourceBuffer(o);u.addEventListener("updateend",this._onSBUpdateEnd),u.addEventListener("error",this._onSBUpdateError),this.tracks[a]={buffer:u,codec:n,id:i.id,container:i.container,levelCodec:i.levelCodec}}catch(e){d.b.error("error while trying to add sourceBuffer:"+e.message),this.hls.trigger(l.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.BUFFER_ADD_CODEC_ERROR,fatal:!1,err:e,mimeType:o})}}this.hls.trigger(l.a.BUFFER_CREATED,{tracks:this.tracks})},i.onBufferAppending=function(e){this._needsFlush||(this.segments?this.segments.push(e):this.segments=[e],this.doAppending())},i.onBufferEos=function(e){for(var t in this.sourceBuffer)if(!e.type||e.type===t){var r=this.sourceBuffer[t];r&&!r.ended&&(r.ended=!0,d.b.log(t+" sourceBuffer now EOS"))}this.checkEos()},i.checkEos=function(){var e=this.sourceBuffer,t=this.mediaSource;if(t&&"open"===t.readyState){for(var r in e){var a=e[r];if(a){if(!a.ended)return;if(a.updating)return void(this._needsEos=!0)}}d.b.log("all media data are available, signal endOfStream() to MediaSource and stop loading fragment");try{t.endOfStream()}catch(e){d.b.warn("exception while calling mediaSource.endOfStream()")}this._needsEos=!1}else this._needsEos=!1},i.onBufferFlushing=function(e){e.type?this.flushRange.push({start:e.startOffset,end:e.endOffset,type:e.type}):(this.flushRange.push({start:e.startOffset,end:e.endOffset,type:"video"}),this.flushRange.push({start:e.startOffset,end:e.endOffset,type:"audio"})),this.flushBufferCounter=0,this.doFlush()},i.flushLiveBackBuffer=function(){if(this._live){var e=this.config.liveBackBufferLength;if(isFinite(e)&&!(e<0))if(this.media)for(var t=this.media.currentTime,r=this.sourceBuffer,a=Object.keys(r),i=t-Math.max(e,this._levelTargetDuration),n=a.length-1;n>=0;n--){var s=a[n],o=r[s];if(o){var u=o.buffered;u.length>0&&i>u.start(0)&&this.removeBufferRange(s,o,0,i)&&this.hls.trigger(l.a.LIVE_BACK_BUFFER_REACHED,{bufferEnd:i})}}else d.b.error("flushLiveBackBuffer called without attaching media")}},i.onLevelUpdated=function(e){var t=e.details;t.fragments.length>0&&(this._levelDuration=t.totalduration+t.fragments[0].start,this._levelTargetDuration=t.averagetargetduration||t.targetduration||10,this._live=t.live,this.updateMediaElementDuration())},i.updateMediaElementDuration=function(){var e,t=this.config;if(null!==this._levelDuration&&this.media&&this.mediaSource&&this.sourceBuffer&&0!==this.media.readyState&&"open"===this.mediaSource.readyState){for(var r in this.sourceBuffer){var a=this.sourceBuffer[r];if(a&&!0===a.updating)return}e=this.media.duration,null===this._msDuration&&(this._msDuration=this.mediaSource.duration),!0===this._live&&!0===t.liveDurationInfinity?(d.b.log("Media Source duration is set to Infinity"),this._msDuration=this.mediaSource.duration=1/0):(this._levelDuration>this._msDuration&&this._levelDuration>e||!Object(o.a)(e))&&(d.b.log("Updating Media Source duration to "+this._levelDuration.toFixed(3)),this._msDuration=this.mediaSource.duration=this._levelDuration)}},i.doFlush=function(){for(;this.flushRange.length;){var e=this.flushRange[0];if(!this.flushBuffer(e.start,e.end,e.type))return void(this._needsFlush=!0);this.flushRange.shift(),this.flushBufferCounter=0}if(0===this.flushRange.length){this._needsFlush=!1;var t=0,r=this.sourceBuffer;try{for(var a in r){var i=r[a];i&&(t+=i.buffered.length)}}catch(e){d.b.error("error while accessing sourceBuffer.buffered")}this.appended=t,this.hls.trigger(l.a.BUFFER_FLUSHED)}},i.doAppending=function(){var e=this.config,t=this.hls,r=this.segments,a=this.sourceBuffer;if(Object.keys(a).length){if(!this.media||this.media.error)return this.segments=[],void d.b.error("trying to append although a media error occured, flush segment and abort");if(!this.appending){var i=r.shift();if(i)try{var n=a[i.type];if(!n)return void this._onSBUpdateEnd();if(n.updating)return void r.unshift(i);n.ended=!1,this.parent=i.parent,n.appendBuffer(i.data),this.appendError=0,this.appended++,this.appending=!0}catch(a){d.b.error("error while trying to append buffer:"+a.message),r.unshift(i);var o={type:s.b.MEDIA_ERROR,parent:i.parent,details:"",fatal:!1};22===a.code?(this.segments=[],o.details=s.a.BUFFER_FULL_ERROR):(this.appendError++,o.details=s.a.BUFFER_APPEND_ERROR,this.appendError>e.appendErrorMaxRetry&&(d.b.log("fail "+e.appendErrorMaxRetry+" times to append segment in sourceBuffer"),this.segments=[],o.fatal=!0)),t.trigger(l.a.ERROR,o)}}}},i.flushBuffer=function(e,t,r){var a=this.sourceBuffer;if(!Object.keys(a).length)return!0;var i="null";if(this.media&&(i=this.media.currentTime.toFixed(3)),d.b.log("flushBuffer,pos/start/end: "+i+"/"+e+"/"+t),this.flushBufferCounter>=this.appended)return d.b.warn("abort flushing too many retries"),!0;var n=a[r];if(n){if(n.ended=!1,n.updating)return d.b.warn("cannot flush, sb updating in progress"),!1;if(this.removeBufferRange(r,n,e,t))return this.flushBufferCounter++,!1}return d.b.log("buffer flushed"),!0},i.removeBufferRange=function(e,t,r,a){try{for(var i=0;i<t.buffered.length;i++){var n=t.buffered.start(i),s=t.buffered.end(i),o=Math.max(n,r),l=Math.min(s,a);if(Math.min(l,s)-o>.5){var u="null";return this.media&&(u=this.media.currentTime.toString()),d.b.log("sb remove "+e+" ["+o+","+l+"], of ["+n+","+s+"], pos:"+u),t.remove(o,l),!0}}}catch(e){d.b.warn("removeBufferRange failed",e)}return!1},a}(f);function Me(e,t){for(var r=0;r<t.length;r++){var a=t[r];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(e,a.key,a)}}var Ue=function(e){var t,r;function a(t){var r;return(r=e.call(this,t,l.a.FPS_DROP_LEVEL_CAPPING,l.a.MEDIA_ATTACHING,l.a.MANIFEST_PARSED,l.a.BUFFER_CODECS,l.a.MEDIA_DETACHING)||this).autoLevelCapping=Number.POSITIVE_INFINITY,r.firstLevel=null,r.levels=[],r.media=null,r.restrictedLevels=[],r.timer=null,r}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var i,n,s,o=a.prototype;return o.destroy=function(){this.hls.config.capLevelToPlayerSize&&(this.media=null,this.stopCapping())},o.onFpsDropLevelCapping=function(e){a.isLevelAllowed(e.droppedLevel,this.restrictedLevels)&&this.restrictedLevels.push(e.droppedLevel)},o.onMediaAttaching=function(e){this.media=e.media instanceof window.HTMLVideoElement?e.media:null},o.onManifestParsed=function(e){var t=this.hls;this.restrictedLevels=[],this.levels=e.levels,this.firstLevel=e.firstLevel,t.config.capLevelToPlayerSize&&e.video&&this.startCapping()},o.onBufferCodecs=function(e){this.hls.config.capLevelToPlayerSize&&e.video&&this.startCapping()},o.onLevelsUpdated=function(e){this.levels=e.levels},o.onMediaDetaching=function(){this.stopCapping()},o.detectPlayerSize=function(){if(this.media){var e=this.levels?this.levels.length:0;if(e){var t=this.hls;t.autoLevelCapping=this.getMaxLevel(e-1),t.autoLevelCapping>this.autoLevelCapping&&t.streamController.nextLevelSwitch(),this.autoLevelCapping=t.autoLevelCapping}}},o.getMaxLevel=function(e){var t=this;if(!this.levels)return-1;var r=this.levels.filter((function(r,i){return a.isLevelAllowed(i,t.restrictedLevels)&&i<=e}));return a.getMaxLevelByMediaSize(r,this.mediaWidth,this.mediaHeight)},o.startCapping=function(){this.timer||(this.autoLevelCapping=Number.POSITIVE_INFINITY,this.hls.firstLevel=this.getMaxLevel(this.firstLevel),clearInterval(this.timer),this.timer=setInterval(this.detectPlayerSize.bind(this),1e3),this.detectPlayerSize())},o.stopCapping=function(){this.restrictedLevels=[],this.firstLevel=null,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.timer&&(this.timer=clearInterval(this.timer),this.timer=null)},a.isLevelAllowed=function(e,t){return void 0===t&&(t=[]),-1===t.indexOf(e)},a.getMaxLevelByMediaSize=function(e,t,r){if(!e||e&&!e.length)return-1;for(var a,i,n=e.length-1,s=0;s<e.length;s+=1){var o=e[s];if((o.width>=t||o.height>=r)&&(a=o,!(i=e[s+1])||a.width!==i.width||a.height!==i.height)){n=s;break}}return n},i=a,s=[{key:"contentScaleFactor",get:function(){var e=1;try{e=window.devicePixelRatio}catch(e){}return e}}],(n=[{key:"mediaWidth",get:function(){var e,t=this.media;return t&&(e=t.width||t.clientWidth||t.offsetWidth,e*=a.contentScaleFactor),e}},{key:"mediaHeight",get:function(){var e,t=this.media;return t&&(e=t.height||t.clientHeight||t.offsetHeight,e*=a.contentScaleFactor),e}}])&&Me(i.prototype,n),s&&Me(i,s),a}(f);var Be,Ne=window.performance,Ge=function(e){var t,r;function a(t){return e.call(this,t,l.a.MEDIA_ATTACHING)||this}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var i=a.prototype;return i.destroy=function(){this.timer&&clearInterval(this.timer),this.isVideoPlaybackQualityAvailable=!1},i.onMediaAttaching=function(e){var t=this.hls.config;t.capLevelOnFPSDrop&&("function"==typeof(this.video=e.media instanceof window.HTMLVideoElement?e.media:null).getVideoPlaybackQuality&&(this.isVideoPlaybackQualityAvailable=!0),clearInterval(this.timer),this.timer=setInterval(this.checkFPSInterval.bind(this),t.fpsDroppedMonitoringPeriod))},i.checkFPS=function(e,t,r){var a=Ne.now();if(t){if(this.lastTime){var i=a-this.lastTime,n=r-this.lastDroppedFrames,s=t-this.lastDecodedFrames,o=1e3*n/i,u=this.hls;if(u.trigger(l.a.FPS_DROP,{currentDropped:n,currentDecoded:s,totalDroppedFrames:r}),o>0&&n>u.config.fpsDroppedMonitoringThreshold*s){var f=u.currentLevel;d.b.warn("drop FPS ratio greater than max allowed value for currentLevel: "+f),f>0&&(-1===u.autoLevelCapping||u.autoLevelCapping>=f)&&(f-=1,u.trigger(l.a.FPS_DROP_LEVEL_CAPPING,{level:f,droppedLevel:u.currentLevel}),u.autoLevelCapping=f,u.streamController.nextLevelSwitch())}}this.lastTime=a,this.lastDroppedFrames=r,this.lastDecodedFrames=t}},i.checkFPSInterval=function(){var e=this.video;if(e)if(this.isVideoPlaybackQualityAvailable){var t=e.getVideoPlaybackQuality();this.checkFPS(e,t.totalVideoFrames,t.droppedVideoFrames)}else this.checkFPS(e,e.webkitDecodedFrameCount,e.webkitDroppedFrameCount)},a}(f),je=window,Ke=je.performance,He=je.XMLHttpRequest,Ve=function(){function e(e){e&&e.xhrSetup&&(this.xhrSetup=e.xhrSetup)}var t=e.prototype;return t.destroy=function(){this.abort(),this.loader=null},t.abort=function(){var e=this.loader;e&&4!==e.readyState&&(this.stats.aborted=!0,e.abort()),window.clearTimeout(this.requestTimeout),this.requestTimeout=null,window.clearTimeout(this.retryTimeout),this.retryTimeout=null},t.load=function(e,t,r){this.context=e,this.config=t,this.callbacks=r,this.stats={trequest:Ke.now(),retry:0},this.retryDelay=t.retryDelay,this.loadInternal()},t.loadInternal=function(){var e,t=this.context;e=this.loader=new He;var r=this.stats;r.tfirst=0,r.loaded=0;var a=this.xhrSetup;try{if(a)try{a(e,t.url)}catch(r){e.open("GET",t.url,!0),a(e,t.url)}e.readyState||e.open("GET",t.url,!0)}catch(r){return void this.callbacks.onError({code:e.status,text:r.message},t,e)}t.rangeEnd&&e.setRequestHeader("Range","bytes="+t.rangeStart+"-"+(t.rangeEnd-1)),e.onreadystatechange=this.readystatechange.bind(this),e.onprogress=this.loadprogress.bind(this),e.responseType=t.responseType,this.requestTimeout=window.setTimeout(this.loadtimeout.bind(this),this.config.timeout),e.send()},t.readystatechange=function(e){var t=e.currentTarget,r=t.readyState,a=this.stats,i=this.context,n=this.config;if(!a.aborted&&r>=2)if(window.clearTimeout(this.requestTimeout),0===a.tfirst&&(a.tfirst=Math.max(Ke.now(),a.trequest)),4===r){var s=t.status;if(s>=200&&s<300){var o,l;a.tload=Math.max(a.tfirst,Ke.now()),l="arraybuffer"===i.responseType?(o=t.response).byteLength:(o=t.responseText).length,a.loaded=a.total=l;var u={url:t.responseURL,data:o};this.callbacks.onSuccess(u,a,i,t)}else a.retry>=n.maxRetry?(d.b.error(s+" while loading "+i.url),this.callbacks.onError({code:s,text:t.statusText},i,t)):(d.b.warn(s+" while loading "+i.url+", retrying in "+this.retryDelay+"..."),this.destroy(),this.retryTimeout=window.setTimeout(this.loadInternal.bind(this),this.retryDelay),this.retryDelay=Math.min(2*this.retryDelay,n.maxRetryDelay),a.retry++)}else this.requestTimeout=window.setTimeout(this.loadtimeout.bind(this),n.timeout)},t.loadtimeout=function(){d.b.warn("timeout while loading "+this.context.url),this.callbacks.onTimeout(this.stats,this.context,null)},t.loadprogress=function(e){var t=e.currentTarget,r=this.stats;r.loaded=e.loaded,e.lengthComputable&&(r.total=e.total);var a=this.callbacks.onProgress;a&&a(r,this.context,null,t)},e}();r(6);function We(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}!function(e){e.WIDEVINE="com.widevine.alpha",e.PLAYREADY="com.microsoft.playready"}(Be||(Be={}));var Ye=function(e){for(var t=1;t<arguments.length;t++){var r=null!=arguments[t]?arguments[t]:{},a=Object.keys(r);"function"==typeof Object.getOwnPropertySymbols&&(a=a.concat(Object.getOwnPropertySymbols(r).filter((function(e){return Object.getOwnPropertyDescriptor(r,e).enumerable})))),a.forEach((function(t){We(e,t,r[t])}))}return e}({autoStartLoad:!0,startPosition:-1,defaultAudioCodec:void 0,debug:!1,capLevelOnFPSDrop:!1,capLevelToPlayerSize:!1,initialLiveManifestSize:1,maxBufferLength:30,maxBufferSize:6e7,maxBufferHole:.5,lowBufferWatchdogPeriod:.5,highBufferWatchdogPeriod:3,nudgeOffset:.1,nudgeMaxRetry:3,maxFragLookUpTolerance:.25,liveSyncDurationCount:3,liveMaxLatencyDurationCount:1/0,liveSyncDuration:void 0,liveMaxLatencyDuration:void 0,liveDurationInfinity:!1,liveBackBufferLength:1/0,maxMaxBufferLength:600,enableWorker:!0,enableSoftwareAES:!0,manifestLoadingTimeOut:1e4,manifestLoadingMaxRetry:1,manifestLoadingRetryDelay:1e3,manifestLoadingMaxRetryTimeout:64e3,startLevel:void 0,levelLoadingTimeOut:1e4,levelLoadingMaxRetry:4,levelLoadingRetryDelay:1e3,levelLoadingMaxRetryTimeout:64e3,fragLoadingTimeOut:2e4,fragLoadingMaxRetry:6,fragLoadingRetryDelay:1e3,fragLoadingMaxRetryTimeout:64e3,startFragPrefetch:!1,fpsDroppedMonitoringPeriod:5e3,fpsDroppedMonitoringThreshold:.2,appendErrorMaxRetry:3,loader:Ve,fLoader:void 0,pLoader:void 0,xhrSetup:void 0,licenseXhrSetup:void 0,abrController:Ce,bufferController:Fe,capLevelController:Ue,fpsController:Ge,stretchShortVideoTrack:!1,maxAudioFramesDrift:1,forceKeyFrameOnDiscontinuity:!0,abrEwmaFastLive:3,abrEwmaSlowLive:9,abrEwmaFastVoD:3,abrEwmaSlowVoD:9,abrEwmaDefaultEstimate:5e5,abrBandWidthFactor:.95,abrBandWidthUpFactor:.7,abrMaxWithRealBitrate:!1,maxStarvationDelay:4,maxLoadingDelay:4,minAutoBitrate:0,emeEnabled:!1,widevineLicenseUrl:void 0,requestMediaKeySystemAccessFunc:"undefined"!=typeof window&&window.navigator&&window.navigator.requestMediaKeySystemAccess?window.navigator.requestMediaKeySystemAccess.bind(window.navigator):null},{},{subtitleStreamController:void 0,subtitleTrackController:void 0,timelineController:void 0,audioStreamController:void 0,audioTrackController:void 0,emeController:void 0});function ze(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}function Xe(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function qe(e,t){for(var r=0;r<t.length;r++){var a=t[r];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(e,a.key,a)}}function Qe(e,t,r){return t&&qe(e.prototype,t),r&&qe(e,r),e}r.d(t,"default",(function(){return Ze}));var Ze=function(e){var t,r;function a(t){var r;void 0===t&&(t={}),(r=e.call(this)||this).config=void 0,r._autoLevelCapping=void 0,r.abrController=void 0,r.capLevelController=void 0,r.levelController=void 0,r.streamController=void 0,r.networkControllers=void 0,r.audioTrackController=void 0,r.subtitleTrackController=void 0,r.emeController=void 0,r.coreComponents=void 0,r.media=null,r.url=null;var i=a.DefaultConfig;if((t.liveSyncDurationCount||t.liveMaxLatencyDurationCount)&&(t.liveSyncDuration||t.liveMaxLatencyDuration))throw new Error("Illegal hls.js config: don't mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration");r.config=function(e){for(var t=1;t<arguments.length;t++){var r=null!=arguments[t]?arguments[t]:{},a=Object.keys(r);"function"==typeof Object.getOwnPropertySymbols&&(a=a.concat(Object.getOwnPropertySymbols(r).filter((function(e){return Object.getOwnPropertyDescriptor(r,e).enumerable})))),a.forEach((function(t){ze(e,t,r[t])}))}return e}({},i,t);var n=Xe(r).config;if(void 0!==n.liveMaxLatencyDurationCount&&n.liveMaxLatencyDurationCount<=n.liveSyncDurationCount)throw new Error('Illegal hls.js config: "liveMaxLatencyDurationCount" must be gt "liveSyncDurationCount"');if(void 0!==n.liveMaxLatencyDuration&&(void 0===n.liveSyncDuration||n.liveMaxLatencyDuration<=n.liveSyncDuration))throw new Error('Illegal hls.js config: "liveMaxLatencyDuration" must be gt "liveSyncDuration"');Object(d.a)(n.debug),r._autoLevelCapping=-1;var s=r.abrController=new n.abrController(Xe(r)),o=new n.bufferController(Xe(r)),l=r.capLevelController=new n.capLevelController(Xe(r)),u=new n.fpsController(Xe(r)),f=new C(Xe(r)),h=new P(Xe(r)),c=new F(Xe(r)),v=new De(Xe(r)),p=r.levelController=new Ae(Xe(r)),g=new G(Xe(r)),m=[p,r.streamController=new Te(Xe(r),g)],y=n.audioStreamController;y&&m.push(new y(Xe(r),g)),r.networkControllers=m;var b=[f,h,c,s,o,l,u,v,g];if(y=n.audioTrackController){var E=new y(Xe(r));r.audioTrackController=E,b.push(E)}if(y=n.subtitleTrackController){var T=new y(Xe(r));r.subtitleTrackController=T,m.push(T)}if(y=n.emeController){var S=new y(Xe(r));r.emeController=S,b.push(S)}return(y=n.subtitleStreamController)&&m.push(new y(Xe(r),g)),(y=n.timelineController)&&b.push(new y(Xe(r))),r.coreComponents=b,r}r=e,(t=a).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r,a.isSupported=function(){return function(){var e=Y();if(!e)return!1;var t=self.SourceBuffer||self.WebKitSourceBuffer,r=e&&"function"==typeof e.isTypeSupported&&e.isTypeSupported('video/mp4; codecs="avc1.42E01E,mp4a.40.2"'),a=!t||t.prototype&&"function"==typeof t.prototype.appendBuffer&&"function"==typeof t.prototype.remove;return!!r&&!!a}()},Qe(a,null,[{key:"version",get:function(){}},{key:"Events",get:function(){return l.a}},{key:"ErrorTypes",get:function(){return s.b}},{key:"ErrorDetails",get:function(){return s.a}},{key:"DefaultConfig",get:function(){return a.defaultConfig?a.defaultConfig:Ye},set:function(e){a.defaultConfig=e}}]);var i=a.prototype;return i.destroy=function(){d.b.log("destroy"),this.trigger(l.a.DESTROYING),this.detachMedia(),this.coreComponents.concat(this.networkControllers).forEach((function(e){e.destroy()})),this.url=null,this.removeAllListeners(),this._autoLevelCapping=-1},i.attachMedia=function(e){d.b.log("attachMedia"),this.media=e,this.trigger(l.a.MEDIA_ATTACHING,{media:e})},i.detachMedia=function(){d.b.log("detachMedia"),this.trigger(l.a.MEDIA_DETACHING),this.media=null},i.loadSource=function(e){e=n.buildAbsoluteURL(window.location.href,e,{alwaysNormalize:!0}),d.b.log("loadSource:"+e),this.url=e,this.trigger(l.a.MANIFEST_LOADING,{url:e})},i.startLoad=function(e){void 0===e&&(e=-1),d.b.log("startLoad("+e+")"),this.networkControllers.forEach((function(t){t.startLoad(e)}))},i.stopLoad=function(){d.b.log("stopLoad"),this.networkControllers.forEach((function(e){e.stopLoad()}))},i.swapAudioCodec=function(){d.b.log("swapAudioCodec"),this.streamController.swapAudioCodec()},i.recoverMediaError=function(){d.b.log("recoverMediaError");var e=this.media;this.detachMedia(),e&&this.attachMedia(e)},Qe(a,[{key:"levels",get:function(){return this.levelController.levels}},{key:"currentLevel",get:function(){return this.streamController.currentLevel},set:function(e){d.b.log("set currentLevel:"+e),this.loadLevel=e,this.streamController.immediateLevelSwitch()}},{key:"nextLevel",get:function(){return this.streamController.nextLevel},set:function(e){d.b.log("set nextLevel:"+e),this.levelController.manualLevel=e,this.streamController.nextLevelSwitch()}},{key:"loadLevel",get:function(){return this.levelController.level},set:function(e){d.b.log("set loadLevel:"+e),this.levelController.manualLevel=e}},{key:"nextLoadLevel",get:function(){return this.levelController.nextLoadLevel},set:function(e){this.levelController.nextLoadLevel=e}},{key:"firstLevel",get:function(){return Math.max(this.levelController.firstLevel,this.minAutoLevel)},set:function(e){d.b.log("set firstLevel:"+e),this.levelController.firstLevel=e}},{key:"startLevel",get:function(){return this.levelController.startLevel},set:function(e){d.b.log("set startLevel:"+e),-1!==e&&(e=Math.max(e,this.minAutoLevel)),this.levelController.startLevel=e}},{key:"capLevelToPlayerSize",set:function(e){var t=!!e;t!==this.config.capLevelToPlayerSize&&(t?this.capLevelController.startCapping():(this.capLevelController.stopCapping(),this.autoLevelCapping=-1,this.streamController.nextLevelSwitch()),this.config.capLevelToPlayerSize=t)}},{key:"autoLevelCapping",get:function(){return this._autoLevelCapping},set:function(e){d.b.log("set autoLevelCapping:"+e),this._autoLevelCapping=e}},{key:"bandwidthEstimate",get:function(){var e=this.abrController._bwEstimator;return e?e.getEstimate():NaN}},{key:"autoLevelEnabled",get:function(){return-1===this.levelController.manualLevel}},{key:"manualLevel",get:function(){return this.levelController.manualLevel}},{key:"minAutoLevel",get:function(){for(var e=this.levels,t=this.config.minAutoBitrate,r=e?e.length:0,a=0;a<r;a++){if((e[a].realBitrate?Math.max(e[a].realBitrate,e[a].bitrate):e[a].bitrate)>t)return a}return 0}},{key:"maxAutoLevel",get:function(){var e=this.levels,t=this.autoLevelCapping;return-1===t&&e&&e.length?e.length-1:t}},{key:"nextAutoLevel",get:function(){return Math.min(Math.max(this.abrController.nextAutoLevel,this.minAutoLevel),this.maxAutoLevel)},set:function(e){this.abrController.nextAutoLevel=Math.max(this.minAutoLevel,e)}},{key:"audioTracks",get:function(){var e=this.audioTrackController;return e?e.audioTracks:[]}},{key:"audioTrack",get:function(){var e=this.audioTrackController;return e?e.audioTrack:-1},set:function(e){var t=this.audioTrackController;t&&(t.audioTrack=e)}},{key:"liveSyncPosition",get:function(){return this.streamController.liveSyncPosition}},{key:"subtitleTracks",get:function(){var e=this.subtitleTrackController;return e?e.subtitleTracks:[]}},{key:"subtitleTrack",get:function(){var e=this.subtitleTrackController;return e?e.subtitleTrack:-1},set:function(e){var t=this.subtitleTrackController;t&&(t.subtitleTrack=e)}},{key:"subtitleDisplay",get:function(){var e=this.subtitleTrackController;return!!e&&e.subtitleDisplay},set:function(e){var t=this.subtitleTrackController;t&&(t.subtitleDisplay=e)}}]),a}(X);Ze.defaultConfig=void 0}]).default})); //# sourceMappingURL=hls.light.min.js.map \ No newline at end of file diff --git a/dist/hls.light.min.js.map b/dist/hls.light.min.js.map index 9733d6844af..c5a5e89fcb7 100644 --- a/dist/hls.light.min.js.map +++ b/dist/hls.light.min.js.map @@ -1 +1 @@ -{"version":3,"sources":["webpack://Hls/webpack/universalModuleDefinition","webpack://Hls/webpack/bootstrap","webpack://Hls/./src/utils/logger.js","webpack://Hls/./src/events.js","webpack://Hls/./src/errors.ts","webpack://Hls/./src/polyfills/number-isFinite.js","webpack://Hls/./src/demux/id3.js","webpack://Hls/./src/utils/get-self-scope.js","webpack://Hls/./src/empty.js","webpack://Hls/./node_modules/url-toolkit/src/url-toolkit.js","webpack://Hls/./node_modules/eventemitter3/index.js","webpack://Hls/./src/crypt/aes-crypto.js","webpack://Hls/./src/crypt/fast-aes-key.js","webpack://Hls/./src/crypt/aes-decryptor.js","webpack://Hls/./src/crypt/decrypter.js","webpack://Hls/./src/demux/adts.js","webpack://Hls/./src/demux/aacdemuxer.js","webpack://Hls/./src/demux/mpegaudio.js","webpack://Hls/./src/demux/exp-golomb.js","webpack://Hls/./src/demux/sample-aes.js","webpack://Hls/./src/demux/tsdemuxer.js","webpack://Hls/./src/demux/mp3demuxer.js","webpack://Hls/./src/remux/aac-helper.js","webpack://Hls/./src/remux/mp4-generator.js","webpack://Hls/./src/utils/timescale-conversion.ts","webpack://Hls/./src/remux/mp4-remuxer.js","webpack://Hls/./src/demux/demuxer-inline.js","webpack://Hls/./src/remux/passthrough-remuxer.js","webpack://Hls/./src/demux/mp4demuxer.js","webpack://Hls/./node_modules/webworkify-webpack/index.js","webpack://Hls/./src/demux/demuxer-worker.js","webpack://Hls/./src/types/loader.ts","webpack://Hls/./src/event-handler.ts","webpack://Hls/./src/loader/fragment.ts","webpack://Hls/./src/loader/level-key.ts","webpack://Hls/./src/loader/level.js","webpack://Hls/./src/utils/attr-list.js","webpack://Hls/./src/utils/codecs.ts","webpack://Hls/./src/loader/m3u8-parser.ts","webpack://Hls/./src/loader/playlist-loader.ts","webpack://Hls/./src/loader/fragment-loader.js","webpack://Hls/./src/loader/key-loader.ts","webpack://Hls/./src/controller/fragment-tracker.js","webpack://Hls/./src/utils/binary-search.ts","webpack://Hls/./src/utils/buffer-helper.ts","webpack://Hls/./src/utils/mediasource-helper.ts","webpack://Hls/./src/observer.ts","webpack://Hls/./src/demux/demuxer.js","webpack://Hls/./src/controller/level-helper.js","webpack://Hls/./src/utils/time-ranges.ts","webpack://Hls/./src/utils/discontinuities.js","webpack://Hls/./src/controller/fragment-finders.ts","webpack://Hls/./src/controller/gap-controller.js","webpack://Hls/./src/controller/base-stream-controller.js","webpack://Hls/./src/controller/stream-controller.js","webpack://Hls/./src/task-loop.ts","webpack://Hls/./src/controller/level-controller.js","webpack://Hls/./src/utils/texttrack-utils.ts","webpack://Hls/./src/controller/id3-track-controller.js","webpack://Hls/./src/utils/ewma.ts","webpack://Hls/./src/utils/ewma-bandwidth-estimator.ts","webpack://Hls/./src/controller/abr-controller.js","webpack://Hls/./src/controller/buffer-controller.ts","webpack://Hls/./src/controller/cap-level-controller.js","webpack://Hls/./src/utils/mediakeys-helper.ts","webpack://Hls/./src/controller/fps-controller.js","webpack://Hls/./src/utils/xhr-loader.js","webpack://Hls/./src/config.ts","webpack://Hls/./src/hls.ts","webpack://Hls/./src/is-supported.ts"],"names":["root","factory","exports","module","define","amd","this","enumerable","get","getter","value","key","bind","Object","prototype","hasOwnProperty","call","object","property","noop","fakeLogger","trace","debug","log","warn","info","error","exportedLogger","formatMsg","type","msg","global","getSelfScope","consolePrintFn","func","console","args","apply","enableLogs","debugConfig","functions","forEach","exportLoggerFunctions","e","logger","HlsEvents","MEDIA_ATTACHING","MEDIA_ATTACHED","MEDIA_DETACHING","MEDIA_DETACHED","BUFFER_RESET","BUFFER_CODECS","BUFFER_CREATED","BUFFER_APPENDING","BUFFER_APPENDED","BUFFER_EOS","BUFFER_FLUSHING","BUFFER_FLUSHED","MANIFEST_LOADING","MANIFEST_LOADED","MANIFEST_PARSED","LEVEL_SWITCHING","LEVEL_SWITCHED","LEVEL_LOADING","LEVEL_LOADED","LEVEL_UPDATED","LEVEL_PTS_UPDATED","LIVE_BACK_BUFFER_REACHED","AUDIO_TRACKS_UPDATED","AUDIO_TRACK_SWITCHING","AUDIO_TRACK_SWITCHED","AUDIO_TRACK_LOADING","AUDIO_TRACK_LOADED","SUBTITLE_TRACKS_UPDATED","SUBTITLE_TRACK_SWITCH","SUBTITLE_TRACK_LOADING","SUBTITLE_TRACK_LOADED","SUBTITLE_FRAG_PROCESSED","INIT_PTS_FOUND","FRAG_LOADING","FRAG_LOAD_PROGRESS","FRAG_LOAD_EMERGENCY_ABORTED","FRAG_LOADED","FRAG_DECRYPTED","FRAG_PARSING_INIT_SEGMENT","FRAG_PARSING_USERDATA","FRAG_PARSING_METADATA","FRAG_PARSING_DATA","FRAG_PARSED","FRAG_BUFFERED","FRAG_CHANGED","FPS_DROP","FPS_DROP_LEVEL_CAPPING","ERROR","DESTROYING","KEY_LOADING","KEY_LOADED","STREAM_STATE_TRANSITION","CAN_PLAY_AFTER_SEEK","ErrorTypes","ErrorDetails","isFiniteNumber","Number","isFinite","decoder","ID3","isHeader","data","offset","length","isFooter","getID3Data","front","_readSize","subarray","size","getTimeStamp","frames","getID3Frames","i","frame","isTimeStampFrame","_readTimeStamp","_getFrameData","String","fromCharCode","id3Data","end","frameData","_decodeFrame","push","_decodePrivFrame","_decodeTextFrame","_decodeURLFrame","timeStampFrame","byteLength","Uint8Array","pts33Bit","timestamp","Math","round","owner","_utf8ArrayToStr","privateData","buffer","index","description","text","url","array","exitOnNull","getTextDecoder","decoded","decode","idx","indexOf","substring","replace","c","char2","char3","len","out","TextDecoder","utf8ArrayToStr","window","self","URL_REGEX","FIRST_SEGMENT_REGEX","SLASH_DOT_REGEX","SLASH_DOT_DOT_REGEX","URLToolkit","buildAbsoluteURL","baseURL","relativeURL","opts","trim","alwaysNormalize","basePartsForNormalise","parseURL","Error","path","normalizePath","buildURLFromParts","relativeParts","scheme","baseParts","netLoc","pathParts","exec","builtParts","params","query","fragment","baseURLPath","newPath","lastIndexOf","parts","split","reverse","join","has","prefix","Events","EE","fn","context","once","addListener","emitter","event","TypeError","listener","evt","_events","_eventsCount","clearEvent","EventEmitter","create","__proto__","eventNames","events","name","names","slice","getOwnPropertySymbols","concat","listeners","handlers","l","ee","Array","listenerCount","emit","a1","a2","a3","a4","a5","arguments","removeListener","undefined","j","on","removeAllListeners","off","prefixed","AESCrypto","subtle","iv","aesIV","decrypt","FastAESKey","expandKey","importKey","AESDecryptor","rcon","subMix","Uint32Array","invSubMix","sBox","invSBox","initTable","uint8ArrayToUint32Array_","arrayBuffer","view","DataView","newArray","getUint32","subMix0","subMix1","subMix2","subMix3","invSubMix0","invSubMix1","invSubMix2","invSubMix3","d","x","xi","sx","x2","x4","x8","t","keyBuffer","sameKey","keySize","ksRow","invKsRow","prev","ksRows","keySchedule","invKeySchedule","sbox","networkToHostOrderSwap","word","inputArrayBuffer","removePKCS7Padding","t0","t1","t2","t3","s0","s1","s2","s3","inputWords0","inputWords1","inputWords2","inputWords3","outputBytes","paddingBytes","nRounds","invSBOX","initVector","initVector0","initVector1","initVector2","initVector3","inputInt32","Int32Array","outputInt32","swapWord","getUint8","destroy","Decrypter","observer","config","logEnabled","browserCrypto","crypto","webkitSubtle","disableWebCrypto","isSync","enableSoftwareAES","callback","decryptor","fastAesKey","then","aesKey","catch","err","onWebCryptoError","result","message","trigger","Event","MEDIA_ERROR","details","FRAG_DECRYPT_ERROR","fatal","reason","isHeaderPattern","getHeaderLength","getFullFrameLength","probe","frameLength","newOffset","initTrackConfig","track","audioCodec","samplerate","adtsObjectType","adtsSampleingIndex","adtsExtensionSampleingIndex","adtsChanelConfig","userAgent","navigator","toLowerCase","manifestCodec","adtsSampleingRates","test","channelCount","codec","FRAG_PARSING_ERROR","getAudioConfig","getFrameDuration","appendFrame","pts","frameIndex","header","frameDuration","headerLength","stamp","parseFrameHeader","aacSample","unit","dts","samples","sample","AACDemuxer","remuxer","resetInitSegment","initSegment","videoCodec","duration","_audioTrack","container","id","sequenceNumber","isAAC","inputTimeScale","resetTimeStamp","ADTS","append","timeOffset","contiguous","accurateTimeOffset","id3Samples","remux","MpegAudio","BitratesMap","SamplingRateMap","SamplesCoefficients","BytesInSlot","parseHeader","samplesPerFrame","sampleRate","headerB","headerC","headerE","headerF","headerG","columnInBitrates","bitRate","columnInSampleRates","sampleCoefficient","bytesInSlot","parseInt","ExpGolomb","bytesAvailable","bitsAvailable","loadWord","position","workingBytes","availableBytes","min","set","skipBits","count","skipBytes","readBits","bits","valu","skipLZ","leadingZeroCount","skipUEG","skipEG","readUEG","clz","readEG","readBoolean","readUByte","readUShort","readUInt","skipScalingList","lastScale","nextScale","readSPS","profileIdc","numRefFramesInPicOrderCntCycle","picWidthInMbsMinus1","picHeightInMapUnitsMinus1","frameMbsOnlyFlag","scalingListCount","frameCropLeftOffset","frameCropRightOffset","frameCropTopOffset","frameCropBottomOffset","chromaFormatIdc","picOrderCntType","pixelRatio","width","ceil","height","readSliceType","SampleAesDecrypter","decryptdata","discardEPB","decrypter","decryptBuffer","encryptedData","decryptAacSample","sampleIndex","sync","curUnit","encryptedBuffer","byteOffset","localthis","decryptedData","decryptAacSamples","getAvcEncryptedData","decodedData","encryptedDataLen","floor","Int8Array","outputPos","inputPos","getAvcDecryptedUnit","decryptAvcSample","unitIndex","decryptAvcSamples","curUnits","units","RemuxerTrackIdConfig","video","audio","id3","TSDemuxer","typeSupported","sampleAes","setDecryptData","method","syncOffset","_syncOffset","scanwindow","createTrack","pid","dropped","pmtParsed","_pmtId","_avcTrack","_id3Track","_txtTrack","aacOverFlow","aacLastPTS","avcSample","_duration","start","stt","pes","unknownPIDs","avcTrack","audioTrack","id3Track","avcId","audioId","id3Id","pmtId","avcData","pesData","audioData","parsePAT","_parsePAT","parsePMT","_parsePMT","parsePES","_parsePES","parseAVCPES","_parseAVCPES","parseAACPES","_parseAACPES","parseMPEGPES","_parseMPEGPES","parseID3PES","_parseID3PES","parsedPIDs","mpeg","mp3","avc","decryptAndRemux","videoTrack","textTrack","decryptAndRemuxAvc","_initPTS","_initDTS","mpegSupported","isSampleAes","tableEnd","stream","frag","pesFlags","pesLen","pesHdrLen","pesPts","pesDts","payloadStartOffset","newData","splice","dataLen","pushAccesUnit","nbSamples","isNaN","lastSample","forceKeyFrameOnDiscontinuity","sps","last","expGolombDecoder","_parseAVCNALu","spsfound","createAVCSample","audFound","sliceType","payloadType","payloadSize","endOfCaptions","b","firstByte","totalCCs","byteArray","_insertSampleInOrder","bytes","uuidStrArray","toString","userDataPayloadBytes","uuid","userDataBytes","userData","codecarray","codecstring","h","pps","arr","pos","_getLastNalUnit","lastUnit","overflow","lastUnitType","state","naluState","lastState","lastUnitStart","tmp","newLength","EPBPositions","sourceIndex","shift","newPTS","abs","MP3Demuxer","AAC","getSilentFrame","UINT32_MAX","pow","MP4","init","types","avc1","avcC","btrt","dinf","dref","esds","ftyp","hdlr","mdat","mdhd","mdia","mfhd","minf","moof","moov","mp4a","mvex","mvhd","pasp","sdtp","stbl","stco","stsc","stsd","stsz","stts","tfdt","tfhd","traf","trak","trun","trex","tkhd","vmhd","smhd","charCodeAt","videoHdlr","audioHdlr","HDLR_TYPES","STTS","STSC","STCO","STSZ","VMHD","SMHD","STSD","majorBrand","avc1Brand","minorVersion","FTYP","box","DINF","payload","timescale","upperWordDuration","lowerWordDuration","sn","baseMediaDecodeTime","tracks","boxes","flags","dependsOn","isDependedOn","hasRedundancy","avcc","hSpacing","vSpacing","configlen","sampleDependencyTable","upperWordBaseMediaDecodeTime","lowerWordBaseMediaDecodeTime","cts","arraylen","isLeading","paddingValue","isNonSync","degradPrio","movie","toTimescaleFromBase","destScale","srcBase","toMsFromMpegTsClock","toMpegTsClockFromTimescale","srcScale","now","MAX_SILENT_FRAME_DURATION_90KHZ","PTS_DTS_SHIFT_TOLERANCE_90KHZ","MP4Remuxer","vendor","isSafari","match","ISGenerated","defaultTimeStamp","generateIS","nbAudioSamples","nbVideoSamples","audioTimeOffset","videoTimeOffset","audiovideoDeltaDts","max","audioTrackLength","remuxAudio","endPTS","startPTS","remuxVideo","videoData","remuxEmptyAudio","remuxID3","remuxText","initPTS","initDTS","audioSamples","videoSamples","computePTSDTS","Infinity","metadata","keys","mp4SampleDuration","firstPTS","firstDTS","lastPTS","lastDTS","timeScale","inputSamples","outputSamples","ptsNormalize","_PTSNormalize","nextAvcDts","sort","a","deltadts","deltapts","PTSDTSshift","reduce","curr","delta","nbNalu","naluLen","nbUnits","sampleLen","mdatSize","MUX_ERROR","REMUX_ALLOC_ERROR","setUint32","avcSampleUnits","mp4SampleLength","compositionTimeOffset","unitData","unitDataLen","lastFrameDuration","stretchShortVideoTrack","maxBufferHole","gapTolerance","deltaToFrameEnd","nextAudioPts","data1","data2","startDTS","endDTS","hasAudio","hasVideo","nb","mp4Sample","fillFrame","mp4timeScale","scaleFactor","inputSampleDuration","rawMPEG","filter","maxAudioFramesDrift","nextPts","missing","newStamp","audioSample","numMissingFrames","unitLen","lastSampleDuration","silentFrame","reference","PassThroughRemuxer","rawData","streamType","performance","Date","DemuxerInline","demuxer","discontinuity","trackSwitch","defaultInitPTS","startTime","endTime","stats","tstart","tdecrypt","pushDecrypted","muxConfig","demux","MP4Demuxer","mux","initData","parseInitSegment","audiovideo","findBox","bin2str","readUint16","val","readUint32","writeUint32","subresults","endbox","results","parseSegmentIndex","references","moovEndOffset","sidx","version","startByte","referencesCount","referenceIndex","referenceInfo","referenceSize","subsegmentDuration","earliestPresentationTime","trackId","codecBox","codecType","getStartDTS","trafs","baseTimes","map","scale","offsetStartDTS","upper","lower","webpackBootstrapFunc","modules","installedModules","__webpack_require__","moduleId","m","o","defineProperty","configurable","r","n","__esModule","p","oe","f","s","ENTRY_MODULE","default","dependencyRegExp","quoteRegExp","str","getModuleDependencies","sources","queueName","retval","fnString","wrapperSignature","webpackRequireName","re","RegExp","hasValuesInQueues","queues","hasValues","options","main","requiredModules","all","modulesQueue","seenModules","moduleToCheck","pop","newModules","newModulesKeys","getRequiredModules","src","entryModule","JSON","stringify","blob","Blob","bare","workerUrl","URL","webkitURL","mozURL","msURL","createObjectURL","worker","Worker","objectURL","DemuxerWorker","forwardMessage","ev","postMessage","addEventListener","cmd","parse","transferable","PlaylistContextType","PlaylistLevelType","FORBIDDEN_EVENT_NAMES","EventHandler","hls","handledEvents","useGenericHandler","onEvent","registerListeners","onHandlerDestroying","unregisterListeners","onHandlerDestroyed","isEventHandler","onEventGeneric","funcName","constructor","OTHER_ERROR","INTERNAL_EXCEPTION","ElementaryStreamTypes","LevelKey","baseURI","relativeURI","_uri","baseuri","reluri","Fragment","_url","_byteRange","_decryptdata","_elementaryStreams","AUDIO","VIDEO","deltaPTS","rawProgramDateTime","programDateTime","title","tagList","cc","relurl","baseurl","urlId","level","levelkey","loader","setByteRange","previousFrag","byteRange","byteRangeEndOffset","addElementaryStream","hasElementaryStream","createInitializationVector","segmentNumber","uint8View","setDecryptDataFromLevelKey","uri","Level","baseUrl","endCC","endSN","fragments","live","needSidxRanges","startCC","startSN","startTimeOffset","targetduration","totalduration","DECIMAL_RESOLUTION_REGEX","ATTR_LIST_REGEX","AttrList","attrs","attr","parseAttrList","decimalInteger","attrName","intValue","MAX_SAFE_INTEGER","hexadecimalInteger","stringValue","hexadecimalIntegerAsNumber","decimalFloatingPoint","parseFloat","enumeratedString","decimalResolution","res","input","lastIndex","sampleEntryCodesISO","isCodecSupportedInMp4","MediaSource","isTypeSupported","MASTER_PLAYLIST_REGEX","MASTER_PLAYLIST_MEDIA_REGEX","LEVEL_PLAYLIST_REGEX_FAST","source","LEVEL_PLAYLIST_REGEX_SLOW","MP4_REGEX_SUFFIX","M3U8Parser","findGroup","groups","mediaGroupId","group","convertAVC1ToAVCOTI","avcdata","substr","resolve","parseMasterPlaylist","string","levels","setCodecs","codecs","filtered","typeCodes","isCodecType","preferred","unknownCodecs","resolution","bitrate","NAME","CODECS","parseMasterPlaylistMedia","audioGroups","medias","TYPE","media","groupId","LANGUAGE","DEFAULT","autoselect","AUTOSELECT","forced","FORCED","lang","URI","groupCodec","parseLevelPlaylist","levelUrlId","currentSN","discontinuityCounter","prevFrag","firstPdtIndex","assignProgramDateTime","value1","value2","toUpperCase","keyAttrs","decryptmethod","decrypturi","decryptiv","mapAttrs","BYTERANGE","averagetargetduration","every","startIndex","fragPrev","backfillProgramDateTimes","endProgramDateTime","PlaylistLoader","loaders","canHaveQualityLevels","AUDIO_TRACK","SUBTITLE_TRACK","mapContextToLevelType","SUBTITLE","MAIN","getResponseUrl","response","createInternalLoader","PLoader","pLoader","Loader","getInternalLoader","resetInternalLoader","contextType","destroyInternalLoaders","onManifestLoading","load","MANIFEST","responseType","onLevelLoading","LEVEL","onAudioTrackLoading","onSubtitleTrackLoading","maxRetry","timeout","retryDelay","maxRetryDelay","loaderContext","abort","manifestLoadingMaxRetry","manifestLoadingTimeOut","manifestLoadingRetryDelay","manifestLoadingMaxRetryTimeout","levelLoadingTimeOut","levelLoadingMaxRetry","levelLoadingRetryDelay","levelLoadingMaxRetryTimeout","loaderConfig","loaderCallbacks","onSuccess","loadsuccess","onError","loaderror","onTimeout","loadtimeout","networkDetails","isSidxRequest","_handleSidxRequest","_handlePlaylistLoaded","tload","_handleTrackOrLevelPlaylist","_handleMasterPlaylist","_handleManifestParsingError","_handleNetworkError","audioTracks","subtitles","embeddedAudioFound","unshift","levelId","levelType","levelDetails","singleLevel","tparsed","sidxUrl","rangeStart","rangeEnd","sidxInfo","sidxReferences","segmentRef","segRefInfo","NETWORK_ERROR","MANIFEST_PARSING_ERROR","MANIFEST_LOAD_TIMEOUT","MANIFEST_LOAD_ERROR","LEVEL_LOAD_TIMEOUT","LEVEL_LOAD_ERROR","AUDIO_TRACK_LOAD_TIMEOUT","AUDIO_TRACK_LOAD_ERROR","errorData","FragmentLoader","loaderName","onFragLoading","FragmentILoader","fLoader","DefaultILoader","loaded","progressData","byteRangeStartOffset","fragLoadingTimeOut","fragLoadingMaxRetryTimeout","onProgress","loadprogress","FRAG_LOAD_ERROR","FRAG_LOAD_TIMEOUT","KeyLoader","decryptkey","decrypturl","onKeyLoading","fragLoadingRetryDelay","KEY_LOAD_ERROR","KEY_LOAD_TIMEOUT","FragmentState","FragmentTracker","bufferPadding","timeRanges","getBufferedFrag","bufferedFrags","fragmentEntity","body","buffered","bufferedFragKey","detectEvictedFragments","elementaryStream","timeRange","fragmentTimes","time","esData","range","isTimeBuffered","removeFragment","detectPartialFragments","fragKey","getFragmentKey","getBufferedTimes","fragmentPartial","partial","getPartialFragment","timePadding","bestFragment","bestOverlap","isPartial","getState","onFragLoaded","bitrateTest","onBufferAppended","onFragBuffered","hasFragment","removeAllFragments","BinarySearch","search","list","comparisonFn","minIndex","maxIndex","currentIndex","currentElement","comparisonResult","BufferHelper","isBuffered","bufferInfo","maxHoleDuration","vbuffered","bufferedInfo","nextStart","diff","buffered2","buf2len","buf2end","bufferStartNext","bufferLen","bufferStart","bufferEnd","getBufferedPosWithinTolerance","maxFragLookUpTolerance","currentTime","getMediaSource","WebKitMediaSource","Observer","Demuxer","mp4","enableWorker","w","work","onwmsg","onWorkerMessage","onerror","filename","lineno","revokeObjectURL","removeEventListener","terminate","lastFrag","nextSN","ArrayBuffer","addGroupId","audioGroupIds","textGroupIds","updatePTS","fromIdx","toIdx","fragFrom","fragTo","fragToPTS","updateFragPTSDTS","maxStartPTS","drift","fragIdx","PTSKnown","mapFragmentIntersection","oldPlaylist","newPlaylist","intersectionFn","oldFrag","newFrag","TimeRanges","toFixed","adjustPts","sliding","alignStream","lastLevel","shouldAlign","shouldAlignOnDiscontinuities","referenceFrag","prevDetails","curDetails","prevFrags","curFrags","prevStartFrag","firstFrag","currentFrag","findFirstFragWithCC","findDiscontinuousReferenceFrag","alignDiscontinuities","lastDetails","hasProgramDateTime","lastPDT","alignPDT","fragmentWithinToleranceTest","candidate","candidateLookupTolerance","pdtWithinToleranceTest","pdtBufferEnd","GapController","fragmentTracker","nudgeRetry","stallReported","stalled","moved","seeking","poll","lastCurrentTime","seeked","beginSeek","seekWithinTolerance","seekWithinToleranceIfNeeded","paused","ended","playbackRate","startJump","_trySkipBufferHole","tnow","stalledDuration","_reportStall","bufferedWithHoles","_tryFixBufferStall","bufferedPosWithinTolerance","stalledDurationMs","highBufferWatchdogPeriod","_tryNudgeBuffer","BUFFER_STALLED_ERROR","lastEndTime","targetTime","BUFFER_SEEK_OVER_HOLE","nudgeMaxRetry","nudgeOffset","BUFFER_NUDGE_ON_STALL","State","StreamController","audioCodecSwap","_state","gapController","altAudio","startLoad","startPosition","stopLoad","setInterval","fragLoadError","startFragRequested","startLevel","nextLoadLevel","loadedmetadata","nextLoadPosition","tick","forceStartLoad","doTick","_doTickIdle","retryDate","_checkBuffer","_checkFragmentChanged","levelLastLoaded","startFragPrefetch","levelInfo","maxBufLen","levelBitrate","maxBufferSize","maxBufferLength","maxMaxBufferLength","mediaBuffer","_streamEnded","_fetchPayloadOrEos","fragPrevious","fragLen","initialLiveManifestSize","_ensureFragmentAtLivePoint","_findFragment","encrypted","_loadKey","_loadFragment","maxLatency","liveMaxLatencyDuration","liveMaxLatencyDurationCount","liveSyncPosition","computeLivePosition","readyState","PDTValue","isArray","seg","findFragmentByPDT","targetSN","fragNext","fragPreviousLoad","fragmentIndexRange","fragNextLoad","findFragmentByPTS","curSNIdx","sameLevel","prevSnFrag","nextSnFrag","backtracked","fragState","fragCurrent","autoLevel","autoLevelEnabled","_reduceMaxBufferLength","followingBufferedFrag","fragPlayingCurrent","fragPlaying","fragPlayingLevel","immediateLevelSwitch","immediateSwitch","previouslyPaused","pause","flushMainBuffer","POSITIVE_INFINITY","immediateLevelSwitchEnd","play","nextLevelSwitch","fetchdelay","nextBufferedFrag","nextLevelId","nextLevel","fragLastKbps","startOffset","endOffset","flushScope","onMediaAttached","onvseeking","onMediaSeeking","onvseeked","onMediaSeeked","onvended","onMediaEnded","autoStartLoad","onMediaDetaching","onManifestParsed","aac","heaac","audioCodecSwitch","onLevelLoaded","newDetails","newLevelId","curLevel","oldDetails","PTSFrag","ccOffset","newFragments","oldFragments","adjustSliding","LevelHelper","onKeyLoaded","fragLoaded","currentLevel","tbuffered","pendingBuffering","appended","initSegmentData","_getAudioCodec","onFragParsingInitSegment","fragNew","trackName","ua","levelCodec","parent","content","onFragParsingData","onFragParsed","_checkAppendedParsed","onAudioTrackSwitching","onAudioTrackSwitched","videoBuffer","onBufferCreated","mediaTrack","alternate","pending","total","tfirst","mediaBuffered","fragLoadingMaxRetry","delay","levelRetry","BUFFER_FULL_ERROR","minLength","_seekToStartPos","onFragLoadEmergencyAborted","onBufferFlushed","swapAudioCodec","defaultAudioCodec","nextState","previousState","_liveSyncPosition","clearInterval","clearNextTick","tolerance","fragStartOffset","fragEndOffset","targetLatency","liveSyncDuration","liveSyncDurationCount","_boundTick","_tickTimer","_tickInterval","_tickCallCount","hasInterval","hasNextTick","millis","clearTimeout","setTimeout","chromeOrFirefox","LevelController","canload","currentLevelIndex","manualLevelIndex","timer","clearTimer","_levels","levelRetryCount","loadError","loadLevel","onManifestLoaded","bitrateStart","levelSet","levelFromSet","videoCodecFound","audioCodecFound","attributes","fragmentError","SUBTITLES","_firstLevel","firstLevel","some","MANIFEST_INCOMPATIBLE_CODECS_ERROR","setLevelInternal","newLevel","levelProperties","LEVEL_SWITCH_ERROR","levelIndex","levelError","recoverLevel","errorEvent","redundantLevels","errorDetails","nextAutoLevel","reloadInterval","currentPlaylist","lastRequestTime","minReloadInterval","computeReloadInterval","trequest","audioGroupId","levelObject","_startLevel","configStartLevel","sendAddTrackEvent","videoEl","document","createEvent","initEvent","dispatchEvent","getClosestCue","cues","left","right","mid","ID3TrackController","removeCue","clearCurrentCues","getID3Track","textTracks","kind","label","addTextTrack","onLiveBackBufferReached","foundCue","removeCues","cue","onFragParsingMetadata","mode","Cue","WebKitDataCue","VTTCue","TextTrackCue","addCue","EWMA","halfLife","alpha_","estimate_","totalWeight_","exp","weight","adjAlpha","getTotalWeight","getEstimate","zeroFactor","EwmaBandWidthEstimator","slow","fast","defaultEstimate","defaultEstimate_","minWeight_","minDelayMs_","slow_","fast_","durationMs","numBytes","durationS","bandwidthInBps","canEstimate","AbrController","lastLoadedFragLevel","_nextAutoLevel","_bwEstimator","onCheck","_abandonRulesCheck","ewmaFast","ewmaSlow","abrEwmaFastLive","abrEwmaSlowLive","abrEwmaFastVoD","abrEwmaSlowVoD","abrEwmaDefaultEstimate","minAutoLevel","aborted","requestDelay","loadRate","bw","realBitrate","expectedLen","fragLoadedDelay","bufferStarvationDelay","levelNextBitrate","fragLevelNextLoadedDelay","abrMaxWithRealBitrate","loadedBytes","loadedDuration","fragLoadingProcessingMs","bwEstimate","bitrateTestDelay","_findBestLevel","currentFragDuration","currentBw","maxAutoLevel","maxFetchDuration","bwFactor","bwUpFactor","avgDuration","adjustedbw","fetchDuration","forcedAutoLevel","bwEstimator","nextABRAutoLevel","_nextABRAutoLevel","avgbw","bestLevel","abrBandWidthFactor","abrBandWidthUpFactor","maxStarvationDelay","maxLoadingDelay","BufferController","_msDuration","_levelDuration","_levelTargetDuration","_live","_objectUrl","_needsFlush","_needsEos","audioTimestampOffset","bufferCodecEventsExpected","_bufferCodecEventsTotal","mediaSource","segments","appending","appendError","flushBufferCounter","pendingTracks","sourceBuffer","flushRange","_onMediaSourceOpen","checkPendingTracks","_onMediaSourceClose","_onMediaSourceEnded","_onSBUpdateEnd","audioBuffer","timestampOffset","doFlush","checkEos","counter","segment","sbSet","sb","doAppending","updateMediaElementDuration","flushLiveBackBuffer","_onSBUpdateError","BUFFER_APPENDING_ERROR","onLevelPtsUpdated","updating","onMediaAttaching","ms","endOfStream","removeAttribute","pendingTracksCount","createSourceBuffers","onBufferReset","removeSourceBuffer","onBufferCodecs","mimeType","addSourceBuffer","BUFFER_ADD_CODEC_ERROR","onBufferAppending","onBufferEos","onBufferFlushing","liveBackBufferLength","bufferTypes","targetBackBufferPosition","bufferType","removeBufferRange","onLevelUpdated","liveDurationInfinity","flushBuffer","appendBuffer","code","BUFFER_APPEND_ERROR","appendErrorMaxRetry","sbType","bufStart","bufEnd","removeStart","removeEnd","remove","CapLevelController","autoLevelCapping","restrictedLevels","capLevelToPlayerSize","stopCapping","onFpsDropLevelCapping","isLevelAllowed","droppedLevel","HTMLVideoElement","startCapping","onLevelsUpdated","detectPlayerSize","levelsLength","getMaxLevel","streamController","capLevelIndex","validLevels","getMaxLevelByMediaSize","mediaWidth","mediaHeight","maxLevelIndex","devicePixelRatio","clientWidth","offsetWidth","contentScaleFactor","clientHeight","offsetHeight","KeySystems","FPSController","isVideoPlaybackQualityAvailable","capLevelOnFPSDrop","getVideoPlaybackQuality","checkFPSInterval","fpsDroppedMonitoringPeriod","checkFPS","decodedFrames","droppedFrames","lastTime","currentPeriod","currentDropped","lastDroppedFrames","currentDecoded","lastDecodedFrames","droppedFPS","totalDroppedFrames","fpsDroppedMonitoringThreshold","videoPlaybackQuality","totalVideoFrames","droppedVideoFrames","webkitDecodedFrameCount","webkitDroppedFrameCount","XMLHttpRequest","XhrLoader","xhrSetup","requestTimeout","retryTimeout","callbacks","retry","loadInternal","xhr","open","status","setRequestHeader","onreadystatechange","readystatechange","onprogress","send","currentTarget","responseText","responseURL","statusText","lengthComputable","hlsDefaultConfig","lowBufferWatchdogPeriod","licenseXhrSetup","abrController","bufferController","capLevelController","fpsController","minAutoBitrate","emeEnabled","widevineLicenseUrl","requestMediaKeySystemAccessFunc","requestMediaKeySystemAccess","subtitleStreamController","subtitleTrackController","timelineController","audioStreamController","audioTrackController","emeController","Hls","userConfig","_autoLevelCapping","levelController","networkControllers","coreComponents","defaultConfig","DefaultConfig","playListLoader","fragmentLoader","keyLoader","id3TrackController","Controller","isSupported","SourceBuffer","WebKitSourceBuffer","sourceBufferValidAPI","detachMedia","component","attachMedia","loadSource","location","href","controller","recoverMediaError","manualLevel","shouldStartCapping","newCapLevelToPlayerSize","NaN","audioTrackId","subtitleTracks","subtitleTrack","subtitleTrackId","subtitleDisplay"],"mappings":"4BAAA,SAA2CA,EAAMC,GAC1B,iBAAZC,SAA0C,iBAAXC,OACxCA,OAAOD,QAAUD,IACQ,mBAAXG,QAAyBA,OAAOC,IAC9CD,OAAO,GAAIH,GACe,iBAAZC,QACdA,QAAa,IAAID,IAEjBD,EAAU,IAAIC,IARhB,CASGK,MAAM,WACT,O,YCTA,SAGA,cAGA,QACA,oBAGA,YACA,IACA,KACA,YAUA,OANA,mCAGA,OAGA,UA0DA,OArDA,MAGA,MAGA,oBACA,UACA,2BAA2CC,YAAY,EAAMC,IAAKC,KAKlE,gBACA,gDACA,4CAAyDC,MAAO,WAEhE,sCAAkDA,OAAO,KAQzD,kBAEA,GADA,cACA,aACA,qDACA,0BAGA,GAFA,OACA,mCAA0CH,YAAY,EAAMG,MAAOA,IACnE,2DAAiH,OAAOA,EAAMC,IAAQC,KAAK,KAAMD,IACjJ,UAIA,gBACA,sBACA,WAA4B,OAAOR,EAAgB,SACnD,WAAkC,OAAOA,GAEzC,OADA,aACA,GAIA,kBAAuD,OAAOU,OAAOC,UAAUC,eAAeC,KAAKC,EAAQC,IAG3G,aAIA,U,+BClFA,+EAEA,SAASC,KAET,IAAMC,EAAa,CACjBC,MAAOF,EACPG,MAAOH,EACPI,IAAKJ,EACLK,KAAML,EACNM,KAAMN,EACNO,MAAOP,GAGLQ,EAAiBP,EAWrB,SAASQ,EAAWC,EAAMC,GAExB,OADAA,EAAM,IAAMD,EAAO,OAASC,EAI9B,IAAMC,EAASC,cAEf,SAASC,EAAgBJ,GACvB,IAAMK,EAAOH,EAAOI,QAAQN,GAC5B,OAAIK,EACK,WAAmB,2BAANE,EAAM,yBAANA,EAAM,gBACpBA,EAAK,KACPA,EAAK,GAAKR,EAAUC,EAAMO,EAAK,KAGjCF,EAAKG,MAAMN,EAAOI,QAASC,IAGxBjB,EASF,IAAMmB,EAAa,SAAUC,GAElC,GAAKR,EAAOI,UAA2B,IAAhBI,GAAgD,iBAAhBA,EAA0B,EARnF,SAAgCA,GAA2B,2BAAXC,EAAW,iCAAXA,EAAW,kBACzDA,EAAUC,SAAQ,SAAUZ,GAC1BF,EAAeE,GAAQU,EAAYV,GAAQU,EAAYV,GAAMjB,KAAK2B,GAAeN,EAAeJ,MAOhGa,CAAsBH,EAGpB,QACA,MACA,OACA,OACA,SAIF,IACEZ,EAAeJ,MACf,MAAOoB,GACPhB,EAAiBP,QAGnBO,EAAiBP,GAIRwB,EAASjB,G,mCCvEhBkB,IAAS,GAEbC,gBAAiB,oBAEjBC,eAAgB,mBAEhBC,gBAAiB,oBAEjBC,eAAgB,mBAEhBC,aAAc,iBAEdC,cAAe,kBAEfC,eAAgB,mBAEhBC,iBAAkB,qBAElBC,gBAAiB,oBAEjBC,WAAY,eAEZC,gBAAiB,oBAEjBC,eAAgB,mBAEhBC,iBAAkB,qBAElBC,gBAAiB,oBAEjBC,gBAAiB,oBAEjBC,gBAAiB,oBAEjBC,eAAgB,mBAEhBC,cAAe,kBAEfC,aAAc,iBAEdC,cAAe,kBAEfC,kBAAmB,qBAEnBC,yBAA0B,2BAE1BC,qBAAsB,wBAEtBC,sBAAuB,yBAEvBC,qBAAsB,wBAEtBC,oBAAqB,uBAErBC,mBAAoB,sBAEpBC,wBAAyB,2BAEzBC,sBAAuB,yBAEvBC,uBAAwB,0BAExBC,sBAAuB,yBAEvBC,wBAAyB,2BAEzBC,eAAgB,kBAEhBC,aAAc,iBAEdC,mBAAoB,sBAEpBC,4BAA6B,8BAE7BC,YAAa,gBAEbC,eAAgB,mBAEhBC,0BAA2B,4BAE3BC,sBAAuB,yBAEvBC,sBAAuB,yBAEvBC,kBAAmB,qBAEnBC,YAAa,gBAEbC,cAAe,kBAEfC,aAAc,iBAEdC,SAAU,aAEVC,uBAAwB,yBAExBC,MAAO,WAEPC,WAAY,gBAEZC,YAAa,gBAEbC,WAAY,eAEZC,wBAAyB,6BAxGZ,yBA0Ga,2BA1Gb,EA4GbC,oBAAqB,sBA5GR,GA+GArD,O,6BCnHR,IAAKsD,EAiBAC,EAjBZ,oE,SAAYD,K,6BAAAA,E,yBAAAA,E,kCAAAA,E,qBAAAA,E,0BAAAA,M,cAiBAC,K,qCAAAA,E,yCAAAA,E,2CAAAA,E,kEAAAA,E,8CAAAA,E,wCAAAA,E,4CAAAA,E,8CAAAA,E,qEAAAA,E,kCAAAA,E,sCAAAA,E,sCAAAA,E,6CAAAA,E,iDAAAA,E,gCAAAA,E,oCAAAA,E,sCAAAA,E,sCAAAA,E,oCAAAA,E,8BAAAA,E,kCAAAA,E,6CAAAA,E,wCAAAA,E,8CAAAA,E,0CAAAA,E,oCAAAA,E,2CAAAA,E,2CAAAA,E,wCAAAA,M,mCCjBZ,kCAAO,IAAMC,EAAiBC,OAAOC,UAAY,SAAU7F,GACzD,MAAwB,iBAAVA,GAAsB6F,SAAS7F,K,6BCD/C,sCA+VI8F,EA/VJ,OAKMC,E,kCAOGC,SAAP,SAAiBC,EAAMC,GAcrB,OAAIA,EAAS,IAAMD,EAAKE,QAED,KAAjBF,EAAKC,IAAyC,KAArBD,EAAKC,EAAS,IAAoC,KAArBD,EAAKC,EAAS,IAElED,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAE5CD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,K,EAgBzGE,SAAP,SAAiBH,EAAMC,GAIrB,OAAIA,EAAS,IAAMD,EAAKE,QAED,KAAjBF,EAAKC,IAAyC,KAArBD,EAAKC,EAAS,IAAoC,KAArBD,EAAKC,EAAS,IAElED,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAE5CD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,K,EAgBzGG,WAAP,SAAmBJ,EAAMC,GAIvB,IAHA,IAAMI,EAAQJ,EACVC,EAAS,EAENJ,EAAIC,SAASC,EAAMC,IAAS,CAEjCC,GAAU,GAGVA,GADaJ,EAAIQ,UAAUN,EAAMC,EAAS,GAGtCH,EAAIK,SAASH,EAAMC,EAAS,MAE9BC,GAAU,IAGZD,GAAUC,EAGZ,GAAIA,EAAS,EACX,OAAOF,EAAKO,SAASF,EAAOA,EAAQH,I,EAMjCI,UAAP,SAAkBN,EAAMC,GACtB,IAAIO,EAAO,EAKX,OAJAA,GAAwB,IAAfR,EAAKC,KAAmB,GACjCO,IAA6B,IAAnBR,EAAKC,EAAS,KAAc,GACtCO,IAA6B,IAAnBR,EAAKC,EAAS,KAAc,EACtCO,GAA4B,IAAnBR,EAAKC,EAAS,I,EASlBQ,aAAP,SAAqBT,GAEnB,IADA,IAAMU,EAASZ,EAAIa,aAAaX,GACvBY,EAAI,EAAGA,EAAIF,EAAOR,OAAQU,IAAK,CACtC,IAAMC,EAAQH,EAAOE,GACrB,GAAId,EAAIgB,iBAAiBD,GACvB,OAAOf,EAAIiB,eAAeF,K,EAWzBC,iBAAP,SAAyBD,GACvB,OAAQA,GAAuB,SAAdA,EAAM7G,KAAiC,iDAAf6G,EAAM/F,M,EAG1CkG,cAAP,SAAsBhB,GAMpB,IAAM9E,EAAO+F,OAAOC,aAAalB,EAAK,GAAIA,EAAK,GAAIA,EAAK,GAAIA,EAAK,IAC3DQ,EAAOV,EAAIQ,UAAUN,EAAM,GAKjC,MAAO,CAAE9E,OAAMsF,OAAMR,KAAMA,EAAKO,SAFnB,MAE6CC,K,EAQrDG,aAAP,SAAqBQ,GAInB,IAHA,IAAIlB,EAAS,EACPS,EAAS,GAERZ,EAAIC,SAASoB,EAASlB,IAAS,CAMpC,IALA,IAAMO,EAAOV,EAAIQ,UAAUa,EAASlB,EAAS,GAGvCmB,GADNnB,GAAU,IACWO,EAEdP,EAAS,EAAImB,GAAK,CACvB,IAAMC,EAAYvB,EAAIkB,cAAcG,EAAQZ,SAASN,IAC/CY,EAAQf,EAAIwB,aAAaD,GAC3BR,GACFH,EAAOa,KAAKV,GAIdZ,GAAUoB,EAAUb,KAAO,GAGzBV,EAAIK,SAASgB,EAASlB,KACxBA,GAAU,IAId,OAAOS,G,EAGFY,aAAP,SAAqBT,GACnB,MAAmB,SAAfA,EAAM3F,KACD4E,EAAI0B,iBAAiBX,GACD,MAAlBA,EAAM3F,KAAK,GACb4E,EAAI2B,iBAAiBZ,GACD,MAAlBA,EAAM3F,KAAK,GACb4E,EAAI4B,gBAAgBb,QADtB,G,EAOFE,eAAP,SAAuBY,GACrB,GAAuC,IAAnCA,EAAe3B,KAAK4B,WAAkB,CACxC,IAAM5B,EAAO,IAAI6B,WAAWF,EAAe3B,MAGrC8B,EAAqB,EAAV9B,EAAK,GAClB+B,GAAa/B,EAAK,IAAM,KACXA,EAAK,IAAM,KACXA,EAAK,IAAM,GACXA,EAAK,GAOtB,OANA+B,GAAa,GAETD,IACFC,GAAa,aAGRC,KAAKC,MAAMF,K,EAMfP,iBAAP,SAAyBX,GAIvB,KAAIA,EAAML,KAAO,GAAjB,CAIA,IAAM0B,EAAQpC,EAAIqC,gBAAgBtB,EAAMb,MAAM,GACxCoC,EAAc,IAAIP,WAAWhB,EAAMb,KAAKO,SAAS2B,EAAMhC,OAAS,IAEtE,MAAO,CAAElG,IAAK6G,EAAM3F,KAAMJ,KAAMoH,EAAOlC,KAAMoC,EAAYC,U,EAGpDZ,iBAAP,SAAyBZ,GACvB,KAAIA,EAAML,KAAO,GAAjB,CAIA,GAAmB,SAAfK,EAAM3F,KAAiB,CAMzB,IAAIoH,EAAQ,EACNC,EAAczC,EAAIqC,gBAAgBtB,EAAMb,KAAKO,SAAS+B,IAAQ,GAEpEA,GAASC,EAAYrC,OAAS,EAC9B,IAAMnG,EAAQ+F,EAAIqC,gBAAgBtB,EAAMb,KAAKO,SAAS+B,IAEtD,MAAO,CAAEtI,IAAK6G,EAAM3F,KAAMJ,KAAMyH,EAAavC,KAAMjG,GAOnD,IAAMyI,EAAO1C,EAAIqC,gBAAgBtB,EAAMb,KAAKO,SAAS,IACrD,MAAO,CAAEvG,IAAK6G,EAAM3F,KAAM8E,KAAMwC,K,EAI7Bd,gBAAP,SAAwBb,GACtB,GAAmB,SAAfA,EAAM3F,KAAiB,CAMzB,GAAI2F,EAAML,KAAO,EACf,OAGF,IAAI8B,EAAQ,EACNC,EAAczC,EAAIqC,gBAAgBtB,EAAMb,KAAKO,SAAS+B,IAE5DA,GAASC,EAAYrC,OAAS,EAC9B,IAAMnG,EAAQ+F,EAAIqC,gBAAgBtB,EAAMb,KAAKO,SAAS+B,IAEtD,MAAO,CAAEtI,IAAK6G,EAAM3F,KAAMJ,KAAMyH,EAAavC,KAAMjG,GAMnD,IAAM0I,EAAM3C,EAAIqC,gBAAgBtB,EAAMb,MACtC,MAAO,CAAEhG,IAAK6G,EAAM3F,KAAM8E,KAAMyC,I,EAa7BN,gBAAP,SAAwBO,EAAOC,QAAoB,IAApBA,OAAa,GAC1C,IAAM9C,EAAU+C,IAChB,GAAI/C,EAAS,CACX,IAAMgD,EAAUhD,EAAQiD,OAAOJ,GAE/B,GAAIC,EAAY,CAEd,IAAMI,EAAMF,EAAQG,QAAQ,MAC5B,OAAgB,IAATD,EAAaF,EAAQI,UAAU,EAAGF,GAAOF,EAIlD,OAAOA,EAAQK,QAAQ,MAAO,IAShC,IANA,IACIC,EACAC,EACAC,EAHEC,EAAMZ,EAAMxC,OAIdqD,EAAM,GACN3C,EAAI,EACDA,EAAI0C,GAAK,CAEd,GAAU,KADVH,EAAIT,EAAM9B,OACQ+B,EAChB,OAAOY,EACF,GAAU,IAANJ,GAAoB,IAANA,EAIzB,OAAQA,GAAK,GACb,KAAK,EAAG,KAAK,EAAG,KAAK,EAAG,KAAK,EAAG,KAAK,EAAG,KAAK,EAAG,KAAK,EAAG,KAAK,EAE3DI,GAAOtC,OAAOC,aAAaiC,GAC3B,MACF,KAAK,GAAI,KAAK,GAEZC,EAAQV,EAAM9B,KACd2C,GAAOtC,OAAOC,cAAmB,GAAJiC,IAAa,EAAc,GAARC,GAChD,MACF,KAAK,GAEHA,EAAQV,EAAM9B,KACdyC,EAAQX,EAAM9B,KACd2C,GAAOtC,OAAOC,cAAmB,GAAJiC,IAAa,IACpB,GAARC,IAAiB,GACT,GAARC,IAAiB,IAKnC,OAAOE,G,KAMX,SAASX,IACP,IAAMxH,EAASC,cAKf,OAJKwE,QAAyC,IAAvBzE,EAAOoI,cAC5B3D,EAAU,IAAIzE,EAAOoI,YAAY,UAG5B3D,EAGT,IAAM4D,EAAiB3D,EAAIqC,gBAEZrC,O,6BC5WR,SAASzE,IAEd,MAAsB,oBAAXqI,OAEFC,KAEAD,OANX,mC,cCEAlK,EAAOD,aAAU,G,gBCCjB,IAGMqK,EACAC,EACAC,EACAC,EAEAC,EALAJ,EAAY,yFACZC,EAAsB,mBACtBC,EAAkB,oBAClBC,EAAsB,qCAEtBC,EAAa,CAOfC,iBAAkB,SAASC,EAASC,EAAaC,GAK/C,GAJAA,EAAOA,GAAQ,GAEfF,EAAUA,EAAQG,SAClBF,EAAcA,EAAYE,QACR,CAIhB,IAAKD,EAAKE,gBACR,OAAOJ,EAET,IAAIK,EAAwBP,EAAWQ,SAASN,GAChD,IAAKK,EACH,MAAM,IAAIE,MAAM,mCAGlB,OADAF,EAAsBG,KAAOV,EAAWW,cAAcJ,EAAsBG,MACrEV,EAAWY,kBAAkBL,GAEtC,IAAIM,EAAgBb,EAAWQ,SAASL,GACxC,IAAKU,EACH,MAAM,IAAIJ,MAAM,uCAElB,GAAII,EAAcC,OAGhB,OAAKV,EAAKE,iBAGVO,EAAcH,KAAOV,EAAWW,cAAcE,EAAcH,MACrDV,EAAWY,kBAAkBC,IAH3BV,EAKX,IAAIY,EAAYf,EAAWQ,SAASN,GACpC,IAAKa,EACH,MAAM,IAAIN,MAAM,mCAElB,IAAKM,EAAUC,QAAUD,EAAUL,MAA8B,MAAtBK,EAAUL,KAAK,GAAY,CAGpE,IAAIO,EAAYpB,EAAoBqB,KAAKH,EAAUL,MACnDK,EAAUC,OAASC,EAAU,GAC7BF,EAAUL,KAAOO,EAAU,GAEzBF,EAAUC,SAAWD,EAAUL,OACjCK,EAAUL,KAAO,KAEnB,IAAIS,EAAa,CAGfL,OAAQC,EAAUD,OAClBE,OAAQH,EAAcG,OACtBN,KAAM,KACNU,OAAQP,EAAcO,OACtBC,MAAOR,EAAcQ,MACrBC,SAAUT,EAAcS,UAE1B,IAAKT,EAAcG,SAIjBG,EAAWH,OAASD,EAAUC,OAGA,MAA1BH,EAAcH,KAAK,IACrB,GAAKG,EAAcH,KAgBZ,CAKL,IAAIa,EAAcR,EAAUL,KACxBc,EAAUD,EAAYtC,UAAU,EAAGsC,EAAYE,YAAY,KAAO,GAAKZ,EAAcH,KACzFS,EAAWT,KAAOV,EAAWW,cAAca,QApB3CL,EAAWT,KAAOK,EAAUL,KAIvBG,EAAcO,SACjBD,EAAWC,OAASL,EAAUK,OAIzBP,EAAcQ,QACjBF,EAAWE,MAAQN,EAAUM,QAiBvC,OAHwB,OAApBF,EAAWT,OACbS,EAAWT,KAAON,EAAKE,gBAAkBN,EAAWW,cAAcE,EAAcH,MAAQG,EAAcH,MAEjGV,EAAWY,kBAAkBO,IAEtCX,SAAU,SAAS/B,GACjB,IAAIiD,EAAQ9B,EAAUsB,KAAKzC,GAC3B,OAAKiD,EAGE,CACLZ,OAAQY,EAAM,IAAM,GACpBV,OAAQU,EAAM,IAAM,GACpBhB,KAAMgB,EAAM,IAAM,GAClBN,OAAQM,EAAM,IAAM,GACpBL,MAAOK,EAAM,IAAM,GACnBJ,SAAUI,EAAM,IAAM,IARf,MAWXf,cAAe,SAASD,GAgBtB,IATAA,EAAOA,EAAKiB,MAAM,IAAIC,UAAUC,KAAK,IAAI3C,QAAQY,EAAiB,IAS3DY,EAAKxE,UAAYwE,EAAOA,EAAKxB,QAAQa,EAAqB,KAAK7D,SACtE,OAAOwE,EAAKiB,MAAM,IAAIC,UAAUC,KAAK,KAEvCjB,kBAAmB,SAASc,GAC1B,OAAOA,EAAMZ,OAASY,EAAMV,OAASU,EAAMhB,KAAOgB,EAAMN,OAASM,EAAML,MAAQK,EAAMJ,WAMvF9L,EAAOD,QAAUyK,G,6BCxJrB,IAAI8B,EAAM5L,OAAOC,UAAUC,eACvB2L,EAAS,IASb,SAASC,KA4BT,SAASC,EAAGC,EAAIC,EAASC,GACvBzM,KAAKuM,GAAKA,EACVvM,KAAKwM,QAAUA,EACfxM,KAAKyM,KAAOA,IAAQ,EActB,SAASC,EAAYC,EAASC,EAAOL,EAAIC,EAASC,GAChD,GAAkB,mBAAPF,EACT,MAAM,IAAIM,UAAU,mCAGtB,IAAIC,EAAW,IAAIR,EAAGC,EAAIC,GAAWG,EAASF,GAC1CM,EAAMX,EAASA,EAASQ,EAAQA,EAMpC,OAJKD,EAAQK,QAAQD,GACXJ,EAAQK,QAAQD,GAAKR,GAC1BI,EAAQK,QAAQD,GAAO,CAACJ,EAAQK,QAAQD,GAAMD,GADhBH,EAAQK,QAAQD,GAAKnF,KAAKkF,IADlCH,EAAQK,QAAQD,GAAOD,EAAUH,EAAQM,gBAI7DN,EAUT,SAASO,EAAWP,EAASI,GACI,KAAzBJ,EAAQM,aAAoBN,EAAQK,QAAU,IAAIX,SAC5CM,EAAQK,QAAQD,GAU9B,SAASI,IACPnN,KAAKgN,QAAU,IAAIX,EACnBrM,KAAKiN,aAAe,EAxElB1M,OAAO6M,SACTf,EAAO7L,UAAYD,OAAO6M,OAAO,OAM5B,IAAIf,GAASgB,YAAWjB,GAAS,IA2ExCe,EAAa3M,UAAU8M,WAAa,WAClC,IACIC,EACAC,EAFAC,EAAQ,GAIZ,GAA0B,IAAtBzN,KAAKiN,aAAoB,OAAOQ,EAEpC,IAAKD,KAASD,EAASvN,KAAKgN,QACtBb,EAAIzL,KAAK6M,EAAQC,IAAOC,EAAM7F,KAAKwE,EAASoB,EAAKE,MAAM,GAAKF,GAGlE,OAAIjN,OAAOoN,sBACFF,EAAMG,OAAOrN,OAAOoN,sBAAsBJ,IAG5CE,GAUTN,EAAa3M,UAAUqN,UAAY,SAAmBjB,GACpD,IAAIG,EAAMX,EAASA,EAASQ,EAAQA,EAChCkB,EAAW9N,KAAKgN,QAAQD,GAE5B,IAAKe,EAAU,MAAO,GACtB,GAAIA,EAASvB,GAAI,MAAO,CAACuB,EAASvB,IAElC,IAAK,IAAItF,EAAI,EAAG8G,EAAID,EAASvH,OAAQyH,EAAK,IAAIC,MAAMF,GAAI9G,EAAI8G,EAAG9G,IAC7D+G,EAAG/G,GAAK6G,EAAS7G,GAAGsF,GAGtB,OAAOyB,GAUTb,EAAa3M,UAAU0N,cAAgB,SAAuBtB,GAC5D,IAAIG,EAAMX,EAASA,EAASQ,EAAQA,EAChCiB,EAAY7N,KAAKgN,QAAQD,GAE7B,OAAKc,EACDA,EAAUtB,GAAW,EAClBsB,EAAUtH,OAFM,GAYzB4G,EAAa3M,UAAU2N,KAAO,SAAcvB,EAAOwB,EAAIC,EAAIC,EAAIC,EAAIC,GACjE,IAAIzB,EAAMX,EAASA,EAASQ,EAAQA,EAEpC,IAAK5M,KAAKgN,QAAQD,GAAM,OAAO,EAE/B,IAEIjL,EACAmF,EAHA4G,EAAY7N,KAAKgN,QAAQD,GACzBpD,EAAM8E,UAAUlI,OAIpB,GAAIsH,EAAUtB,GAAI,CAGhB,OAFIsB,EAAUpB,MAAMzM,KAAK0O,eAAe9B,EAAOiB,EAAUtB,QAAIoC,GAAW,GAEhEhF,GACN,KAAK,EAAG,OAAOkE,EAAUtB,GAAG7L,KAAKmN,EAAUrB,UAAU,EACrD,KAAK,EAAG,OAAOqB,EAAUtB,GAAG7L,KAAKmN,EAAUrB,QAAS4B,IAAK,EACzD,KAAK,EAAG,OAAOP,EAAUtB,GAAG7L,KAAKmN,EAAUrB,QAAS4B,EAAIC,IAAK,EAC7D,KAAK,EAAG,OAAOR,EAAUtB,GAAG7L,KAAKmN,EAAUrB,QAAS4B,EAAIC,EAAIC,IAAK,EACjE,KAAK,EAAG,OAAOT,EAAUtB,GAAG7L,KAAKmN,EAAUrB,QAAS4B,EAAIC,EAAIC,EAAIC,IAAK,EACrE,KAAK,EAAG,OAAOV,EAAUtB,GAAG7L,KAAKmN,EAAUrB,QAAS4B,EAAIC,EAAIC,EAAIC,EAAIC,IAAK,EAG3E,IAAKvH,EAAI,EAAGnF,EAAO,IAAImM,MAAMtE,EAAK,GAAI1C,EAAI0C,EAAK1C,IAC7CnF,EAAKmF,EAAI,GAAKwH,UAAUxH,GAG1B4G,EAAUtB,GAAGxK,MAAM8L,EAAUrB,QAAS1K,OACjC,CACL,IACI8M,EADArI,EAASsH,EAAUtH,OAGvB,IAAKU,EAAI,EAAGA,EAAIV,EAAQU,IAGtB,OAFI4G,EAAU5G,GAAGwF,MAAMzM,KAAK0O,eAAe9B,EAAOiB,EAAU5G,GAAGsF,QAAIoC,GAAW,GAEtEhF,GACN,KAAK,EAAGkE,EAAU5G,GAAGsF,GAAG7L,KAAKmN,EAAU5G,GAAGuF,SAAU,MACpD,KAAK,EAAGqB,EAAU5G,GAAGsF,GAAG7L,KAAKmN,EAAU5G,GAAGuF,QAAS4B,GAAK,MACxD,KAAK,EAAGP,EAAU5G,GAAGsF,GAAG7L,KAAKmN,EAAU5G,GAAGuF,QAAS4B,EAAIC,GAAK,MAC5D,KAAK,EAAGR,EAAU5G,GAAGsF,GAAG7L,KAAKmN,EAAU5G,GAAGuF,QAAS4B,EAAIC,EAAIC,GAAK,MAChE,QACE,IAAKxM,EAAM,IAAK8M,EAAI,EAAG9M,EAAO,IAAImM,MAAMtE,EAAK,GAAIiF,EAAIjF,EAAKiF,IACxD9M,EAAK8M,EAAI,GAAKH,UAAUG,GAG1Bf,EAAU5G,GAAGsF,GAAGxK,MAAM8L,EAAU5G,GAAGuF,QAAS1K,IAKpD,OAAO,GAYTqL,EAAa3M,UAAUqO,GAAK,SAAYjC,EAAOL,EAAIC,GACjD,OAAOE,EAAY1M,KAAM4M,EAAOL,EAAIC,GAAS,IAY/CW,EAAa3M,UAAUiM,KAAO,SAAcG,EAAOL,EAAIC,GACrD,OAAOE,EAAY1M,KAAM4M,EAAOL,EAAIC,GAAS,IAa/CW,EAAa3M,UAAUkO,eAAiB,SAAwB9B,EAAOL,EAAIC,EAASC,GAClF,IAAIM,EAAMX,EAASA,EAASQ,EAAQA,EAEpC,IAAK5M,KAAKgN,QAAQD,GAAM,OAAO/M,KAC/B,IAAKuM,EAEH,OADAW,EAAWlN,KAAM+M,GACV/M,KAGT,IAAI6N,EAAY7N,KAAKgN,QAAQD,GAE7B,GAAIc,EAAUtB,GAEVsB,EAAUtB,KAAOA,GACfE,IAAQoB,EAAUpB,MAClBD,GAAWqB,EAAUrB,UAAYA,GAEnCU,EAAWlN,KAAM+M,OAEd,CACL,IAAK,IAAI9F,EAAI,EAAGsG,EAAS,GAAIhH,EAASsH,EAAUtH,OAAQU,EAAIV,EAAQU,KAEhE4G,EAAU5G,GAAGsF,KAAOA,GACnBE,IAASoB,EAAU5G,GAAGwF,MACtBD,GAAWqB,EAAU5G,GAAGuF,UAAYA,IAErCe,EAAO3F,KAAKiG,EAAU5G,IAOtBsG,EAAOhH,OAAQvG,KAAKgN,QAAQD,GAAyB,IAAlBQ,EAAOhH,OAAegH,EAAO,GAAKA,EACpEL,EAAWlN,KAAM+M,GAGxB,OAAO/M,MAUTmN,EAAa3M,UAAUsO,mBAAqB,SAA4BlC,GACtE,IAAIG,EAUJ,OARIH,GACFG,EAAMX,EAASA,EAASQ,EAAQA,EAC5B5M,KAAKgN,QAAQD,IAAMG,EAAWlN,KAAM+M,KAExC/M,KAAKgN,QAAU,IAAIX,EACnBrM,KAAKiN,aAAe,GAGfjN,MAMTmN,EAAa3M,UAAUuO,IAAM5B,EAAa3M,UAAUkO,eACpDvB,EAAa3M,UAAUkM,YAAcS,EAAa3M,UAAUqO,GAK5D1B,EAAa6B,SAAW5C,EAKxBe,EAAaA,aAAeA,EAM1BtN,EAAOD,QAAUuN,G,+CC9UE8B,E,WACnB,WAAaC,EAAQC,GACnBnP,KAAKkP,OAASA,EACdlP,KAAKoP,MAAQD,E,mBAGfE,QAAA,SAAShJ,EAAMhG,GACb,OAAOL,KAAKkP,OAAOG,QAAQ,CAAE7B,KAAM,UAAW2B,GAAInP,KAAKoP,OAAS/O,EAAKgG,I,KCI1DiJ,E,WAVb,WAAaJ,EAAQ7O,GACnBL,KAAKkP,OAASA,EACdlP,KAAKK,IAAMA,E,mBAGbkP,UAAA,WACE,OAAOvP,KAAKkP,OAAOM,UAAU,MAAOxP,KAAKK,IAAK,CAAEmN,KAAM,YAAa,EAAO,CAAC,UAAW,a,SCkR3EiC,E,WA7Qb,aAEEzP,KAAK0P,KAAO,CAAC,EAAK,EAAK,EAAK,EAAK,EAAK,GAAM,GAAM,GAAM,IAAM,GAAM,IACpE1P,KAAK2P,OAAS,CAAC,IAAIC,YAAY,KAAM,IAAIA,YAAY,KAAM,IAAIA,YAAY,KAAM,IAAIA,YAAY,MACjG5P,KAAK6P,UAAY,CAAC,IAAID,YAAY,KAAM,IAAIA,YAAY,KAAM,IAAIA,YAAY,KAAM,IAAIA,YAAY,MACpG5P,KAAK8P,KAAO,IAAIF,YAAY,KAC5B5P,KAAK+P,QAAU,IAAIH,YAAY,KAG/B5P,KAAKK,IAAM,IAAIuP,YAAY,GAE3B5P,KAAKgQ,Y,2BAIPC,yBAAA,SAA0BC,GAGxB,IAFA,IAAIC,EAAO,IAAIC,SAASF,GACpBG,EAAW,IAAIT,YAAY,GACtB3I,EAAI,EAAGA,EAAI,EAAGA,IACrBoJ,EAASpJ,GAAKkJ,EAAKG,UAAc,EAAJrJ,GAG/B,OAAOoJ,G,EAGTL,UAAA,WACE,IAAIF,EAAO9P,KAAK8P,KACZC,EAAU/P,KAAK+P,QACfJ,EAAS3P,KAAK2P,OACdY,EAAUZ,EAAO,GACjBa,EAAUb,EAAO,GACjBc,EAAUd,EAAO,GACjBe,EAAUf,EAAO,GACjBE,EAAY7P,KAAK6P,UACjBc,EAAad,EAAU,GACvBe,EAAaf,EAAU,GACvBgB,EAAahB,EAAU,GACvBiB,EAAajB,EAAU,GAEvBkB,EAAI,IAAInB,YAAY,KACpBoB,EAAI,EACJC,EAAK,EACLhK,EAAI,EACR,IAAKA,EAAI,EAAGA,EAAI,IAAKA,IAEjB8J,EAAE9J,GADAA,EAAI,IACCA,GAAK,EAEJA,GAAK,EAAK,IAItB,IAAKA,EAAI,EAAGA,EAAI,IAAKA,IAAK,CACxB,IAAIiK,EAAKD,EAAMA,GAAM,EAAMA,GAAM,EAAMA,GAAM,EAAMA,GAAM,EACzDC,EAAMA,IAAO,EAAW,IAALA,EAAa,GAChCpB,EAAKkB,GAAKE,EACVnB,EAAQmB,GAAMF,EAGd,IAAIG,EAAKJ,EAAEC,GACPI,EAAKL,EAAEI,GACPE,EAAKN,EAAEK,GAGPE,EAAa,IAARP,EAAEG,GAAqB,SAALA,EAC3BX,EAAQS,GAAMM,GAAK,GAAOA,IAAM,EAChCd,EAAQQ,GAAMM,GAAK,GAAOA,IAAM,GAChCb,EAAQO,GAAMM,GAAK,EAAMA,IAAM,GAC/BZ,EAAQM,GAAKM,EAGbA,EAAU,SAALD,EAAwB,MAALD,EAAsB,IAALD,EAAmB,SAAJH,EACxDL,EAAWO,GAAOI,GAAK,GAAOA,IAAM,EACpCV,EAAWM,GAAOI,GAAK,GAAOA,IAAM,GACpCT,EAAWK,GAAOI,GAAK,EAAMA,IAAM,GACnCR,EAAWI,GAAMI,EAGZN,GAGHA,EAAIG,EAAKJ,EAAEA,EAAEA,EAAEM,EAAKF,KACpBF,GAAMF,EAAEA,EAAEE,KAHVD,EAAIC,EAAK,I,EAQf1B,UAAA,SAAWgC,GAMT,IAJA,IAAIlR,EAAML,KAAKiQ,yBAAyBsB,GACpCC,GAAU,EACVlL,EAAS,EAENA,EAASjG,EAAIkG,QAAUiL,GAC5BA,EAAWnR,EAAIiG,KAAYtG,KAAKK,IAAIiG,GACpCA,IAGF,IAAIkL,EAAJ,CAIAxR,KAAKK,IAAMA,EACX,IAAIoR,EAAUzR,KAAKyR,QAAUpR,EAAIkG,OAEjC,GAAgB,IAAZkL,GAA6B,IAAZA,GAA6B,IAAZA,EACpC,MAAM,IAAI3G,MAAM,wBAA0B2G,GAG5C,IACIC,EACAC,EAaAC,EACAN,EAhBAO,EAAS7R,KAAK6R,OAA6B,GAAnBJ,EAAU,EAAI,GAItCK,EAAc9R,KAAK8R,YAAc,IAAIlC,YAAYiC,GACjDE,EAAiB/R,KAAK+R,eAAiB,IAAInC,YAAYiC,GACvDG,EAAOhS,KAAK8P,KACZJ,EAAO1P,KAAK0P,KAEZG,EAAY7P,KAAK6P,UACjBc,EAAad,EAAU,GACvBe,EAAaf,EAAU,GACvBgB,EAAahB,EAAU,GACvBiB,EAAajB,EAAU,GAK3B,IAAK6B,EAAQ,EAAGA,EAAQG,EAAQH,IAC1BA,EAAQD,EACVG,EAAOE,EAAYJ,GAASrR,EAAIqR,IAGlCJ,EAAIM,EAEAF,EAAQD,GAAY,GAKtBH,EAAKU,GAHLV,EAAKA,GAAK,EAAMA,IAAM,MAGN,KAAO,GAAOU,EAAMV,IAAM,GAAM,MAAS,GAAOU,EAAMV,IAAM,EAAK,MAAS,EAAKU,EAAS,IAAJV,GAGpGA,GAAK5B,EAAMgC,EAAQD,EAAW,IAAM,IAC3BA,EAAU,GAAKC,EAAQD,GAAY,IAE5CH,EAAKU,EAAKV,IAAM,KAAO,GAAOU,EAAMV,IAAM,GAAM,MAAS,GAAOU,EAAMV,IAAM,EAAK,MAAS,EAAKU,EAAS,IAAJV,IAGtGQ,EAAYJ,GAASE,GAAQE,EAAYJ,EAAQD,GAAWH,KAAO,GAGrE,IAAKK,EAAW,EAAGA,EAAWE,EAAQF,IACpCD,EAAQG,EAASF,EAEfL,EADa,EAAXK,EACEG,EAAYJ,GAEZI,EAAYJ,EAAQ,GAIxBK,EAAeJ,GADbA,EAAW,GAAKD,GAAS,EACAJ,EAEAX,EAAWqB,EAAKV,IAAM,KAAOV,EAAWoB,EAAMV,IAAM,GAAM,MAAST,EAAWmB,EAAMV,IAAM,EAAK,MAASR,EAAWkB,EAAS,IAAJV,IAGrJS,EAAeJ,GAAYI,EAAeJ,KAAc,I,EAK5DM,uBAAA,SAAwBC,GACtB,OAAQA,GAAQ,IAAe,MAAPA,IAAkB,GAAc,SAAPA,IAAoB,EAAMA,IAAS,I,EAGtF7C,QAAA,SAAS8C,EAAkB7L,EAAQ8I,EAAOgD,GA2BxC,IA1BA,IAmBIC,EAAIC,EAAIC,EAAIC,EACZC,EAAIC,EAAIC,EAAIC,EACZC,EAAaC,EAAaC,EAAaC,EAEvCtB,EAAOzK,EAhNgByB,EACvBuK,EACAC,EAuLAC,EAAUnT,KAAKyR,QAAU,EACzBM,EAAiB/R,KAAK+R,eACtBqB,EAAUpT,KAAK+P,QAEfF,EAAY7P,KAAK6P,UACjBc,EAAad,EAAU,GACvBe,EAAaf,EAAU,GACvBgB,EAAahB,EAAU,GACvBiB,EAAajB,EAAU,GAEvBwD,EAAarT,KAAKiQ,yBAAyBb,GAC3CkE,EAAcD,EAAW,GACzBE,EAAcF,EAAW,GACzBG,EAAcH,EAAW,GACzBI,EAAcJ,EAAW,GAEzBK,EAAa,IAAIC,WAAWxB,GAC5ByB,EAAc,IAAID,WAAWD,EAAWnN,QAOxCsN,EAAW7T,KAAKiS,uBAEb3L,EAASoN,EAAWnN,QAAQ,CAcjC,IAbAsM,EAAcgB,EAASH,EAAWpN,IAClCwM,EAAce,EAASH,EAAWpN,EAAS,IAC3CyM,EAAcc,EAASH,EAAWpN,EAAS,IAC3C0M,EAAca,EAASH,EAAWpN,EAAS,IAE3CmM,EAAKI,EAAcd,EAAe,GAClCW,EAAKM,EAAcjB,EAAe,GAClCY,EAAKI,EAAchB,EAAe,GAClCa,EAAKE,EAAcf,EAAe,GAElCL,EAAQ,EAGHzK,EAAI,EAAGA,EAAIkM,EAASlM,IACvBoL,EAAK1B,EAAW8B,IAAO,IAAM7B,EAAY8B,GAAM,GAAM,KAAQ7B,EAAY8B,GAAM,EAAK,KAAQ7B,EAAgB,IAAL8B,GAAab,EAAeL,GACnIY,EAAK3B,EAAW+B,IAAO,IAAM9B,EAAY+B,GAAM,GAAM,KAAQ9B,EAAY+B,GAAM,EAAK,KAAQ9B,EAAgB,IAAL2B,GAAaV,EAAeL,EAAQ,GAC3Ia,EAAK5B,EAAWgC,IAAO,IAAM/B,EAAYgC,GAAM,GAAM,KAAQ/B,EAAY4B,GAAM,EAAK,KAAQ3B,EAAgB,IAAL4B,GAAaX,EAAeL,EAAQ,GAC3Ic,EAAK7B,EAAWiC,IAAO,IAAMhC,EAAY6B,GAAM,GAAM,KAAQ5B,EAAY6B,GAAM,EAAK,KAAQ5B,EAAgB,IAAL6B,GAAaZ,EAAeL,EAAQ,GAE3Ie,EAAKJ,EACLK,EAAKJ,EACLK,EAAKJ,EACLK,EAAKJ,EAELd,GAAgB,EAIlBW,EAAOe,EAAQX,IAAO,KAAO,GAAOW,EAASV,GAAM,GAAM,MAAS,GAAOU,EAAST,GAAM,EAAK,MAAS,EAAKS,EAAa,IAALR,GAAcb,EAAeL,GAChJY,EAAOc,EAAQV,IAAO,KAAO,GAAOU,EAAST,GAAM,GAAM,MAAS,GAAOS,EAASR,GAAM,EAAK,MAAS,EAAKQ,EAAa,IAALX,GAAcV,EAAeL,EAAQ,GACxJa,EAAOa,EAAQT,IAAO,KAAO,GAAOS,EAASR,GAAM,GAAM,MAAS,GAAOQ,EAASX,GAAM,EAAK,MAAS,EAAKW,EAAa,IAALV,GAAcX,EAAeL,EAAQ,GACxJc,EAAOY,EAAQR,IAAO,KAAO,GAAOQ,EAASX,GAAM,GAAM,MAAS,GAAOW,EAASV,GAAM,EAAK,MAAS,EAAKU,EAAa,IAALT,GAAcZ,EAAeL,EAAQ,GACxJA,GAAgB,EAGhBkC,EAAYtN,GAAUuN,EAASxB,EAAKiB,GACpCM,EAAYtN,EAAS,GAAKuN,EAASrB,EAAKe,GACxCK,EAAYtN,EAAS,GAAKuN,EAAStB,EAAKiB,GACxCI,EAAYtN,EAAS,GAAKuN,EAASvB,EAAKmB,GAGxCH,EAAcT,EACdU,EAAcT,EACdU,EAAcT,EACdU,EAAcT,EAEd1M,GAAkB,EAGpB,OAAO8L,GArQoB1J,EAqQekL,EAAYlL,OApQlDuK,EAAcvK,EAAOT,YACrBiL,EAAeD,GAAgB,IAAI7C,SAAS1H,GAASoL,SAASb,EAAc,IAEzEvK,EAAOgF,MAAM,EAAGuF,EAAcC,GAE9BxK,GA+PyDkL,EAAYlL,Q,EAG9EqL,QAAA,WACE/T,KAAKK,SAAMsO,EACX3O,KAAKyR,aAAU9C,EACf3O,KAAK6R,YAASlD,EAEd3O,KAAK8P,UAAOnB,EACZ3O,KAAK+P,aAAUpB,EACf3O,KAAK2P,YAAShB,EACd3O,KAAK6P,eAAYlB,EACjB3O,KAAK8R,iBAAcnD,EACnB3O,KAAK+R,oBAAiBpD,EAEtB3O,KAAK0P,UAAOf,G,mBCzQVlN,EAASC,cAuFAsS,E,WApFb,WAAaC,EAAUC,EAAvB,GAAmE,kBAAJ,GAAI,GAAlC9B,0BAAkC,SAMjE,GALApS,KAAKmU,YAAa,EAClBnU,KAAKiU,SAAWA,EAChBjU,KAAKkU,OAASA,EACdlU,KAAKoS,mBAAqBA,EAEtBA,EACF,IACE,IAAMgC,EAAgB3S,EAAO4S,OACzBD,IACFpU,KAAKkP,OAASkF,EAAclF,QAAUkF,EAAcE,cAEtD,MAAOjS,IAEXrC,KAAKuU,kBAAoBvU,KAAKkP,O,2BAGhCsF,OAAA,WACE,OAAQxU,KAAKuU,kBAAoBvU,KAAKkU,OAAOO,mB,EAG/CpF,QAAA,SAAShJ,EAAMhG,EAAK8O,EAAIuF,GAAU,WAChC,GAAI1U,KAAKuU,kBAAoBvU,KAAKkU,OAAOO,kBAAmB,CACtDzU,KAAKmU,aACP7R,IAAOrB,IAAI,kBACXjB,KAAKmU,YAAa,GAEpB,IAAIQ,EAAY3U,KAAK2U,UAChBA,IACH3U,KAAK2U,UAAYA,EAAY,IAAIlF,GAGnCkF,EAAUpF,UAAUlP,GACpBqU,EAASC,EAAUtF,QAAQhJ,EAAM,EAAG8I,EAAInP,KAAKoS,yBACxC,CACDpS,KAAKmU,aACP7R,IAAOrB,IAAI,yBACXjB,KAAKmU,YAAa,GAEpB,IAAMjF,EAASlP,KAAKkP,OAChBlP,KAAKK,MAAQA,IACfL,KAAKK,IAAMA,EACXL,KAAK4U,WAAa,IAAItF,EAAWJ,EAAQ7O,IAG3CL,KAAK4U,WAAWrF,YACbsF,MAAK,SAACC,GAEQ,IAAI7F,EAAUC,EAAQC,GAC5BE,QAAQhJ,EAAMyO,GAClBC,OAAM,SAACC,GACN,EAAKC,iBAAiBD,EAAK3O,EAAMhG,EAAK8O,EAAIuF,MAE3CG,MAAK,SAACK,GACLR,EAASQ,SAGdH,OAAM,SAACC,GACN,EAAKC,iBAAiBD,EAAK3O,EAAMhG,EAAK8O,EAAIuF,Q,EAKlDO,iBAAA,SAAkBD,EAAK3O,EAAMhG,EAAK8O,EAAIuF,GAChC1U,KAAKkU,OAAOO,mBACdnS,IAAOrB,IAAI,0CACXjB,KAAKuU,kBAAmB,EACxBvU,KAAKmU,YAAa,EAClBnU,KAAKqP,QAAQhJ,EAAMhG,EAAK8O,EAAIuF,KAE5BpS,IAAOlB,MAAP,sBAAmC4T,EAAIG,SACvCnV,KAAKiU,SAASmB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAWyP,YAAaC,QAASzP,IAAa0P,mBAAoBC,OAAO,EAAMC,OAAQV,EAAIG,Y,EAI1IpB,QAAA,WACE,IAAIY,EAAY3U,KAAK2U,UACjBA,IACFA,EAAUZ,UACV/T,KAAK2U,eAAYhG,I,YCyChB,SAASgH,EAAiBtP,EAAMC,GACrC,OAAwB,MAAjBD,EAAKC,IAAkD,MAAV,IAAnBD,EAAKC,EAAS,IAG1C,SAASsP,EAAiBvP,EAAMC,GACrC,OAA2B,EAAnBD,EAAKC,EAAS,GAAY,EAAI,EAGjC,SAASuP,EAAoBxP,EAAMC,GACxC,OAA4B,EAAnBD,EAAKC,EAAS,KAAc,GAClCD,EAAKC,EAAS,IAAM,GACA,IAAnBD,EAAKC,EAAS,MAAe,EAG5B,SAASF,EAAUC,EAAMC,GAI9B,SAAIA,EAAS,EAAID,EAAKE,QAAUoP,EAAgBtP,EAAMC,IAOjD,SAASwP,EAAOzP,EAAMC,GAG3B,GAAIF,EAASC,EAAMC,GAAS,CAE1B,IAEIyP,EAFeH,EAAgBvP,EAAMC,GAGrCA,EAAS,EAAID,EAAKE,SACpBwP,EAAcF,EAAmBxP,EAAMC,IAGzC,IAAI0P,EAAY1P,EAASyP,EACzB,GAAIC,IAAc3P,EAAKE,QAAWyP,EAAY,EAAI3P,EAAKE,QAAUoP,EAAgBtP,EAAM2P,GACrF,OAAO,EAGX,OAAO,EAGF,SAASC,EAAiBC,EAAOjC,EAAU5N,EAAMC,EAAQ6P,GAC9D,IAAKD,EAAME,WAAY,CACrB,IAAIlC,EA3KD,SAAyBD,EAAU5N,EAAMC,EAAQ6P,GACtD,IAAIE,EACFC,EACAC,EACAC,EACAtC,EACAuC,EAAYC,UAAUD,UAAUE,cAChCC,EAAgBT,EAChBU,EAAqB,CACnB,KAAO,MACP,KAAO,KACP,MAAO,KACP,KAAO,MACP,KAAO,KACP,MAAO,IACP,MAIJ,GAFAR,EAAqD,IAAf,IAAnBhQ,EAAKC,EAAS,MAAe,MAChDgQ,GAA0C,GAAnBjQ,EAAKC,EAAS,MAAe,GAC3BuQ,EAAmBtQ,OAAS,GAsGrD,OAlGAiQ,GAAwC,EAAnBnQ,EAAKC,EAAS,KAAc,EAEjDkQ,IAAyC,IAAnBnQ,EAAKC,EAAS,MAAe,EACnDhE,IAAOrB,IAAP,kBAA6BkV,EAA7B,mBAA0DE,EAA1D,mBAA2FC,EAA3F,IAAiHO,EAAmBP,GAApI,qBAA4KE,GAExK,WAAWM,KAAKL,GACdH,GAAsB,GACxBD,EAAiB,EACjBnC,EAAS,IAAIjG,MAAM,GAInBsI,EAA8BD,EAAqB,IAEnDD,EAAiB,EACjBnC,EAAS,IAAIjG,MAAM,GACnBsI,EAA8BD,IAGW,IAAlCG,EAAUpN,QAAQ,YAC3BgN,EAAiB,EACjBnC,EAAS,IAAIjG,MAAM,GACnBsI,EAA8BD,IAK9BD,EAAiB,EACjBnC,EAAS,IAAIjG,MAAM,GAEdkI,KAAsD,IAAtCA,EAAW9M,QAAQ,gBACA,IAArC8M,EAAW9M,QAAQ,gBAClB8M,GAAcG,GAAsB,EAItCC,EAA8BD,EAAqB,IAI/CH,IAAmD,IAArCA,EAAW9M,QAAQ,eAAyBiN,GAAsB,GAA0B,IAArBE,GACnF,WAAWM,KAAKL,MAClBN,GAAmC,IAArBK,KAChBH,EAAiB,EACjBnC,EAAS,IAAIjG,MAAM,IAErBsI,EAA8BD,IAqClCpC,EAAO,GAAKmC,GAAkB,EAE9BnC,EAAO,KAA4B,GAArBoC,IAA8B,EAC5CpC,EAAO,KAA4B,EAArBoC,IAA8B,EAE5CpC,EAAO,IAAMsC,GAAoB,EACV,IAAnBH,IAEFnC,EAAO,KAAqC,GAA9BqC,IAAuC,EACrDrC,EAAO,IAAoC,EAA9BqC,IAAuC,EAGpDrC,EAAO,IAAM,EACbA,EAAO,GAAK,GAEP,CAAEA,OAAQA,EAAQkC,WAAYS,EAAmBP,GAAqBS,aAAcP,EAAkBQ,MAAQ,WAAaX,EAAiBO,cAAeA,GArGhK3C,EAASmB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAWyP,YAAaC,QAASzP,IAAamR,mBAAoBxB,OAAO,EAAMC,OAAQ,+BAA+BY,IAuJ/IY,CAAejD,EAAU5N,EAAMC,EAAQ6P,GACpDD,EAAMhC,OAASA,EAAOA,OACtBgC,EAAME,WAAalC,EAAOkC,WAC1BF,EAAMa,aAAe7C,EAAO6C,aAC5Bb,EAAMc,MAAQ9C,EAAO8C,MACrBd,EAAMU,cAAgB1C,EAAO0C,cAC7BtU,IAAOrB,IAAP,gBAA2BiV,EAAMc,MAAjC,SAA+C9C,EAAOkC,WAAtD,eAA+ElC,EAAO6C,eAInF,SAASI,EAAkBf,GAChC,OAAO,OAAeA,EAsBjB,SAASgB,EAAalB,EAAO7P,EAAMC,EAAQ+Q,EAAKC,GACrD,IACIC,EArBC,SAA2BlR,EAAMC,EAAQ+Q,EAAKC,EAAYE,GAC/D,IAAIC,EAAc1B,EACdxP,EAASF,EAAKE,OAQlB,GALAkR,EAAe7B,EAAgBvP,EAAMC,GAErCyP,EAAcF,EAAmBxP,EAAMC,IACvCyP,GAAe0B,GAEI,GAAQnR,EAASmR,EAAe1B,GAAgBxP,EAGjE,MAAO,CAAEkR,eAAc1B,cAAa2B,MAF5BL,EAAMC,EAAaE,GAUhBG,CAAiBtR,EAAMC,EAAQ+Q,EAAKC,EAD7BH,EAAiBjB,EAAME,aAE3C,GAAImB,EAAQ,CACV,IAAIG,EAAQH,EAAOG,MACfD,EAAeF,EAAOE,aACtB1B,EAAcwB,EAAOxB,YAGrB6B,EAAY,CACdC,KAAMxR,EAAKO,SAASN,EAASmR,EAAcnR,EAASmR,EAAe1B,GACnEsB,IAAKK,EACLI,IAAKJ,GAIP,OADAxB,EAAM6B,QAAQnQ,KAAKgQ,GACZ,CAAEI,OAAQJ,EAAWrR,OAAQwP,EAAc0B,I,WC7IvCQ,E,WAlFb,WAAahE,EAAUiE,EAAShE,GAC9BlU,KAAKiU,SAAWA,EAChBjU,KAAKkU,OAASA,EACdlU,KAAKkY,QAAUA,E,2BAGjBC,iBAAA,SAAkBC,EAAajC,EAAYkC,EAAYC,GACrDtY,KAAKuY,YAAc,CAAEC,UAAW,aAAcjX,KAAM,QAASkX,GAAI,EAAGC,eAAgB,EAAGC,OAAO,EAAMZ,QAAS,GAAIpO,IAAK,EAAGiN,cAAeT,EAAYmC,SAAUA,EAAUM,eAAgB,M,EAG1LC,eAAA,a,EAGO/C,MAAP,SAAczP,GACZ,IAAKA,EACH,OAAO,EAUT,IAHA,IACIC,GADYH,IAAIM,WAAWJ,EAAM,IAAM,IACtBE,OAEZA,EAASF,EAAKE,OAAQD,EAASC,EAAQD,IAC9C,GAAIwS,EAAWzS,EAAMC,GAEnB,OADAhE,IAAOrB,IAAI,2BACJ,EAGX,OAAO,G,EAIT8X,OAAA,SAAQ1S,EAAM2S,EAAYC,EAAYC,GAYpC,IAXA,IAAIhD,EAAQlW,KAAKuY,YACb/Q,EAAUrB,IAAIM,WAAWJ,EAAM,IAAM,GACrC+B,EAAYjC,IAAIW,aAAaU,GAC7B6P,EAAM,YAAgBjP,GAAyB,GAAZA,EAA8B,IAAb4Q,EACpD1B,EAAa,EACbI,EAAQL,EACR9Q,EAASF,EAAKE,OACdD,EAASkB,EAAQjB,OAEjB4S,EAAa,CAAC,CAAE9B,IAAKK,EAAOI,IAAKJ,EAAOrR,KAAMmB,IAE3ClB,EAASC,EAAS,GACvB,GAAIuS,EAAczS,EAAMC,IAAYA,EAAS,EAAKC,EAAQ,CACxDuS,EAAqB5C,EAAOlW,KAAKiU,SAAU5N,EAAMC,EAAQ4P,EAAMU,eAC/D,IAAI1P,EAAQ4R,EAAiB5C,EAAO7P,EAAMC,EAAQ+Q,EAAKC,GACvD,IAAIpQ,EAIG,CACL5E,IAAOrB,IAAI,6BACX,MALAqF,GAAUY,EAAMX,OAChBmR,EAAQxQ,EAAM8Q,OAAOX,IACrBC,SAKOnR,IAAIC,SAASC,EAAMC,IAC5BkB,EAAUrB,IAAIM,WAAWJ,EAAMC,GAC/B6S,EAAWvR,KAAK,CAAEyP,IAAKK,EAAOI,IAAKJ,EAAOrR,KAAMmB,IAChDlB,GAAUkB,EAAQjB,QAGlBD,IAIJtG,KAAKkY,QAAQkB,MAAMlD,EACjB,CAAE6B,QAAS,IACX,CAAEA,QAASoB,EAAYP,eAAgB,KACvC,CAAEb,QAAS,IACXiB,EACAC,EACAC,I,EAGJnF,QAAA,a,aClFIsF,EAAY,CAEhBC,YAAa,CACX,GAAI,GAAI,GAAI,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAC9D,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAC3D,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAC1D,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAC3D,EAAG,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,IAAK,IAAK,IAAK,KAExDC,gBAAiB,CAAC,MAAO,KAAO,KAAO,MAAO,KAAO,KAAO,MAAO,KAAO,KAE1EC,oBAAqB,CAEnB,CACE,EACA,GACA,IACA,IAGF,CACE,EACA,EACA,EACA,GAGF,CACE,EACA,GACA,IACA,IAGF,CACE,EACA,IACA,IACA,KAIJC,YAAa,CACX,EACA,EACA,EACA,GAGFrC,YAAa,SAAUlB,EAAO7P,EAAMC,EAAQ+Q,EAAKC,GAE/C,KAAIhR,EAAS,GAAKD,EAAKE,QAAvB,CAIA,IAAIgR,EAASvX,KAAK0Z,YAAYrT,EAAMC,GACpC,GAAIiR,GAAUjR,EAASiR,EAAOxB,aAAe1P,EAAKE,OAAQ,CACxD,IACImR,EAAQL,EAAMC,GAD2B,IAAzBC,EAAOoC,gBAA0BpC,EAAOqC,YAExD5B,EAAS,CAAEH,KAAMxR,EAAKO,SAASN,EAAQA,EAASiR,EAAOxB,aAAcsB,IAAKK,EAAOI,IAAKJ,GAO1F,OALAxB,EAAMhC,OAAS,GACfgC,EAAMa,aAAeQ,EAAOR,aAC5Bb,EAAME,WAAamB,EAAOqC,WAC1B1D,EAAM6B,QAAQnQ,KAAKoQ,GAEZ,CAAEA,SAAQzR,OAAQgR,EAAOxB,gBAMpC2D,YAAa,SAAUrT,EAAMC,GAC3B,IAAIuT,EAAWxT,EAAKC,EAAS,IAAM,EAAK,EACpCwT,EAAWzT,EAAKC,EAAS,IAAM,EAAK,EACpCyT,EAAW1T,EAAKC,EAAS,IAAM,EAAK,GACpC0T,EAAW3T,EAAKC,EAAS,IAAM,EAAK,EACpC2T,EAAW5T,EAAKC,EAAS,IAAM,EAAK,EACxC,GAAgB,IAAZuT,GAA6B,IAAZE,GAA6B,KAAZA,GAA8B,IAAZC,EAAe,CACrE,IAAIE,EAA+B,IAAZL,EAAiB,EAAIC,EAAwB,IAAZA,EAAgB,EAAI,EACxEK,EAAuE,IAA7Dd,EAAUC,YAA+B,GAAnBY,EAAwBH,EAAU,GAClEK,EAAkC,IAAZP,EAAgB,EAAgB,IAAZA,EAAgB,EAAI,EAC9DD,EAAaP,EAAUE,gBAAsC,EAAtBa,EAA0BJ,GACjEjD,EAAe1Q,EAAKC,EAAS,IAAM,GAAM,EAAI,EAAI,EACjD+T,EAAoBhB,EAAUG,oBAAoBK,GAASC,GAC3DQ,EAAcjB,EAAUI,YAAYK,GACpCH,EAAsC,EAApBU,EAAwBC,EAG9C,MAAO,CAAEV,aAAY7C,eAAchB,YAFjBwE,SAASF,EAAoBF,EAAUP,EAAaK,EAAS,IAAMK,EAErCX,qBAMpDhE,gBAAiB,SAAUtP,EAAMC,GAC/B,OAAwB,MAAjBD,EAAKC,IAAkD,MAAV,IAAnBD,EAAKC,EAAS,KAAqD,IAAV,EAAnBD,EAAKC,EAAS,KAGvFF,SAAU,SAAUC,EAAMC,GAIxB,SAAIA,EAAS,EAAID,EAAKE,QAAUvG,KAAK2V,gBAAgBtP,EAAMC,KAO7DwP,MAAO,SAAUzP,EAAMC,GAGrB,GAAIA,EAAS,EAAID,EAAKE,QAAUvG,KAAK2V,gBAAgBtP,EAAMC,GAAS,CAElE,IAEIiR,EAASvX,KAAK0Z,YAAYrT,EAAMC,GAChCyP,EAHe,EAIfwB,GAAUA,EAAOxB,cACnBA,EAAcwB,EAAOxB,aAGvB,IAAIC,EAAY1P,EAASyP,EACzB,GAAIC,IAAc3P,EAAKE,QAAWyP,EAAY,EAAI3P,EAAKE,QAAUvG,KAAK2V,gBAAgBtP,EAAM2P,GAC1F,OAAO,EAGX,OAAO,IAIIqD,ICyKAmB,E,WA1Sb,WAAanU,GACXrG,KAAKqG,KAAOA,EAEZrG,KAAKya,eAAiBpU,EAAK4B,WAE3BjI,KAAKkS,KAAO,EAEZlS,KAAK0a,cAAgB,E,2BAIvBC,SAAA,WACE,IACEtU,EAAOrG,KAAKqG,KACZoU,EAAiBza,KAAKya,eACtBG,EAAWvU,EAAK4B,WAAawS,EAC7BI,EAAe,IAAI3S,WAAW,GAC9B4S,EAAiBzS,KAAK0S,IAAI,EAAGN,GAC/B,GAAuB,IAAnBK,EACF,MAAM,IAAIhQ,MAAM,sBAGlB+P,EAAaG,IAAI3U,EAAKO,SAASgU,EAAUA,EAAWE,IACpD9a,KAAKkS,KAAO,IAAI9B,SAASyK,EAAanS,QAAQ4H,UAAU,GAExDtQ,KAAK0a,cAAiC,EAAjBI,EACrB9a,KAAKya,gBAAkBK,G,EAIzBG,SAAA,SAAUC,GACR,IAAIC,EACAnb,KAAK0a,cAAgBQ,GACvBlb,KAAKkS,OAASgJ,EACdlb,KAAK0a,eAAiBQ,IAEtBA,GAASlb,KAAK0a,cAEdQ,IADAC,EAAYD,GAAS,IACE,EACvBlb,KAAKya,gBAAkBU,EACvBnb,KAAK2a,WACL3a,KAAKkS,OAASgJ,EACdlb,KAAK0a,eAAiBQ,I,EAK1BE,SAAA,SAAUvU,GACR,IACEwU,EAAOhT,KAAK0S,IAAI/a,KAAK0a,cAAe7T,GACpCyU,EAAOtb,KAAKkS,OAAU,GAAKmJ,EAa7B,OAZIxU,EAAO,IACTvE,IAAOlB,MAAM,2CAGfpB,KAAK0a,eAAiBW,EAClBrb,KAAK0a,cAAgB,EACvB1a,KAAKkS,OAASmJ,EACLrb,KAAKya,eAAiB,GAC/Bza,KAAK2a,YAGPU,EAAOxU,EAAOwU,GACH,GAAKrb,KAAK0a,cACZY,GAAQD,EAAOrb,KAAKob,SAASC,GAE7BC,G,EAKXC,OAAA,WACE,IAAIC,EACJ,IAAKA,EAAmB,EAAGA,EAAmBxb,KAAK0a,gBAAiBc,EAClE,GAAwD,IAAnDxb,KAAKkS,KAAQ,aAAesJ,GAI/B,OAFAxb,KAAKkS,OAASsJ,EACdxb,KAAK0a,eAAiBc,EACfA,EAKX,OADAxb,KAAK2a,WACEa,EAAmBxb,KAAKub,U,EAIjCE,QAAA,WACEzb,KAAKib,SAAS,EAAIjb,KAAKub,W,EAIzBG,OAAA,WACE1b,KAAKib,SAAS,EAAIjb,KAAKub,W,EAIzBI,QAAA,WACE,IAAIC,EAAM5b,KAAKub,SACf,OAAOvb,KAAKob,SAASQ,EAAM,GAAK,G,EAIlCC,OAAA,WACE,IAAIP,EAAOtb,KAAK2b,UAChB,OAAI,EAAOL,EAED,EAAIA,IAAU,GAEd,GAAKA,IAAS,I,EAM1BQ,YAAA,WACE,OAA4B,IAArB9b,KAAKob,SAAS,I,EAIvBW,UAAA,WACE,OAAO/b,KAAKob,SAAS,I,EAIvBY,WAAA,WACE,OAAOhc,KAAKob,SAAS,K,EAGvBa,SAAA,WACE,OAAOjc,KAAKob,SAAS,K,EAUvBc,gBAAA,SAAiBhB,GACf,IAGEtM,EAFAuN,EAAY,EACZC,EAAY,EAGd,IAAKxN,EAAI,EAAGA,EAAIsM,EAAOtM,IACH,IAAdwN,IAEFA,GAAaD,EADAnc,KAAK6b,SACoB,KAAO,KAE/CM,EAA2B,IAAdC,EAAmBD,EAAYC,G,EAahDC,QAAA,WACE,IAKEC,EACAC,EAAgCC,EAChCC,EACAC,EACAC,EACA1V,EATA2V,EAAsB,EACtBC,EAAuB,EACvBC,EAAqB,EACrBC,EAAwB,EAOxBhB,EAAY/b,KAAK+b,UAAUzb,KAAKN,MAChCob,EAAWpb,KAAKob,SAAS9a,KAAKN,MAC9B2b,EAAU3b,KAAK2b,QAAQrb,KAAKN,MAC5B8b,EAAc9b,KAAK8b,YAAYxb,KAAKN,MACpCib,EAAWjb,KAAKib,SAAS3a,KAAKN,MAC9B0b,EAAS1b,KAAK0b,OAAOpb,KAAKN,MAC1Byb,EAAUzb,KAAKyb,QAAQnb,KAAKN,MAC5Bkc,EAAkBlc,KAAKkc,gBAAgB5b,KAAKN,MAS9C,GAPA+b,IACAO,EAAaP,IACGX,EAAS,GACzBH,EAAS,GACEc,IACXN,IAEmB,MAAfa,GACe,MAAfA,GACe,MAAfA,GACe,MAAfA,GACe,KAAfA,GACe,KAAfA,GACe,KAAfA,GACe,MAAfA,GACe,MAAfA,EAAoB,CACtB,IAAIU,EAAkBrB,IAQtB,GAPwB,IAApBqB,GACF/B,EAAS,GAGXQ,IACAA,IACAR,EAAS,GACLa,IAEF,IADAa,EAAwC,IAApBK,EAAyB,EAAI,GAC5C/V,EAAI,EAAGA,EAAI0V,EAAkB1V,IAC5B6U,KAEAI,EADEjV,EAAI,EACU,GAEA,IAM1BwU,IACA,IAAIwB,EAAkBtB,IACtB,GAAwB,IAApBsB,EACFtB,SACK,GAAwB,IAApBsB,EAKT,IAJAhC,EAAS,GACTS,IACAA,IACAa,EAAiCZ,IAC5B1U,EAAI,EAAGA,EAAIsV,EAAgCtV,IAC9CyU,IAGJD,IACAR,EAAS,GACTuB,EAAsBb,IACtBc,EAA4Bd,IAEH,KADzBe,EAAmBtB,EAAS,KAE1BH,EAAS,GAGXA,EAAS,GACLa,MACFc,EAAsBjB,IACtBkB,EAAuBlB,IACvBmB,EAAqBnB,IACrBoB,EAAwBpB,KAE1B,IAAIuB,EAAa,CAAC,EAAG,GACrB,GAAIpB,KAEEA,IAGF,OADuBC,KAEvB,KAAK,EAAGmB,EAAa,CAAC,EAAG,GAAI,MAC7B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,GAAIA,EAAa,CAAC,GAAI,IAAK,MAChC,KAAK,GAAIA,EAAa,CAAC,GAAI,IAAK,MAChC,KAAK,GAAIA,EAAa,CAAC,GAAI,IAAK,MAChC,KAAK,GAAIA,EAAa,CAAC,IAAK,IAAK,MACjC,KAAK,GAAIA,EAAa,CAAC,EAAG,GAAI,MAC9B,KAAK,GAAIA,EAAa,CAAC,EAAG,GAAI,MAC9B,KAAK,GAAIA,EAAa,CAAC,EAAG,GAAI,MAC9B,KAAK,IACHA,EAAa,CAACnB,KAAe,EAAIA,IAAaA,KAAe,EAAIA,KAMvE,MAAO,CACLoB,MAAO9U,KAAK+U,KAAmC,IAA3BZ,EAAsB,GAAiC,EAAtBI,EAAiD,EAAvBC,GAC/EQ,QAAU,EAAIX,IAAqBD,EAA4B,GAAK,IAAQC,EAAmB,EAAI,IAAMI,EAAqBC,GAC9HG,WAAYA,I,EAIhBI,cAAA,WAME,OAJAtd,KAAK+b,YAEL/b,KAAK2b,UAEE3b,KAAK2b,W,KClLD4B,E,WApHb,WAAatJ,EAAUC,EAAQsJ,EAAaC,GAC1Czd,KAAKwd,YAAcA,EACnBxd,KAAKyd,WAAaA,EAClBzd,KAAK0d,UAAY,IAAI1J,EAAUC,EAAUC,EAAQ,CAAE9B,oBAAoB,I,2BAGzEuL,cAAA,SAAeC,EAAelJ,GAC5B1U,KAAK0d,UAAUrO,QAAQuO,EAAe5d,KAAKwd,YAAYnd,IAAIqI,OAAQ1I,KAAKwd,YAAYrO,GAAGzG,OAAQgM,I,EAIjGmJ,iBAAA,SAAkB9F,EAAS+F,EAAapJ,EAAUqJ,GAChD,IAAIC,EAAUjG,EAAQ+F,GAAajG,KAC/B+F,EAAgBI,EAAQpX,SAAS,GAAIoX,EAAQzX,OAASyX,EAAQzX,OAAS,IACvE0X,EAAkBL,EAAclV,OAAOgF,MACzCkQ,EAAcM,WACdN,EAAcM,WAAaN,EAAcrX,QAEvC4X,EAAYne,KAChBA,KAAK2d,cAAcM,GAAiB,SAAUG,GAC5CA,EAAgB,IAAIlW,WAAWkW,GAC/BJ,EAAQhD,IAAIoD,EAAe,IAEtBL,GACHI,EAAUE,kBAAkBtG,EAAS+F,EAAc,EAAGpJ,O,EAK5D2J,kBAAA,SAAmBtG,EAAS+F,EAAapJ,GACvC,MAAQoJ,IAAe,CACrB,GAAIA,GAAe/F,EAAQxR,OAEzB,YADAmO,IAIF,KAAIqD,EAAQ+F,GAAajG,KAAKtR,OAAS,IAAvC,CAIA,IAAIwX,EAAO/d,KAAK0d,UAAUlJ,SAI1B,GAFAxU,KAAK6d,iBAAiB9F,EAAS+F,EAAapJ,EAAUqJ,IAEjDA,EACH,U,EAMNO,oBAAA,SAAqBC,GAInB,IAHA,IAAIC,EAAiE,GAA9CnW,KAAKoW,OAAOF,EAAYhY,OAAS,IAAM,KAAY,GACtEqX,EAAgB,IAAIc,UAAUF,GAC9BG,EAAY,EACPC,EAAW,GAAIA,GAAYL,EAAYhY,OAAS,GAAIqY,GAAY,IAAKD,GAAa,GACzFf,EAAc5C,IAAIuD,EAAY3X,SAASgY,EAAUA,EAAW,IAAKD,GAGnE,OAAOf,G,EAGTiB,oBAAA,SAAqBN,EAAaH,GAChCA,EAAgB,IAAIlW,WAAWkW,GAE/B,IADA,IAAIQ,EAAW,EACND,EAAY,GAAIA,GAAaJ,EAAYhY,OAAS,GAAIoY,GAAa,IAAKC,GAAY,GAC3FL,EAAYvD,IAAIoD,EAAcxX,SAASgY,EAAUA,EAAW,IAAKD,GAGnE,OAAOJ,G,EAGTO,iBAAA,SAAkB/G,EAAS+F,EAAaiB,EAAWrK,EAAUsJ,EAASD,GACpE,IAAIQ,EAAcve,KAAKyd,WAAWO,EAAQ3X,MACtCuX,EAAgB5d,KAAKse,oBAAoBC,GACzCJ,EAAYne,KAEhBA,KAAK2d,cAAcC,EAAclV,QAAQ,SAAU0V,GACjDJ,EAAQ3X,KAAO8X,EAAUU,oBAAoBN,EAAaH,GAErDL,GACHI,EAAUa,kBAAkBjH,EAAS+F,EAAaiB,EAAY,EAAGrK,O,EAKvEsK,kBAAA,SAAmBjH,EAAS+F,EAAaiB,EAAWrK,GAClD,MAAQoJ,IAAeiB,EAAY,EAAG,CACpC,GAAIjB,GAAe/F,EAAQxR,OAEzB,YADAmO,IAKF,IADA,IAAIuK,EAAWlH,EAAQ+F,GAAaoB,QAE9BH,GAAaE,EAAS1Y,QADpBwY,IAAa,CAKnB,IAAIf,EAAUiB,EAASF,GACvB,KAAIf,EAAQzX,QAAU,IAAwB,IAAjByX,EAAQzc,MAA+B,IAAjByc,EAAQzc,MAA3D,CAIA,IAAIwc,EAAO/d,KAAK0d,UAAUlJ,SAI1B,GAFAxU,KAAK8e,iBAAiB/G,EAAS+F,EAAaiB,EAAWrK,EAAUsJ,EAASD,IAErEA,EACH,W,KCvFJoB,EAAuB,CAC3BC,MAAO,EACPC,MAAO,EACPC,IAAK,EACLzW,KAAM,GAwiCO0W,E,WApiCb,WAAatL,EAAUiE,EAAShE,EAAQsL,GACtCxf,KAAKiU,SAAWA,EAChBjU,KAAKkU,OAASA,EACdlU,KAAKwf,cAAgBA,EACrBxf,KAAKkY,QAAUA,EACflY,KAAKyf,UAAY,K,2BAGnBC,eAAA,SAAgBlC,GACM,MAAfA,GAA4C,MAAnBA,EAAYnd,KAAwC,eAAvBmd,EAAYmC,OACrE3f,KAAKyf,UAAY,IAAIlC,EAAmBvd,KAAKiU,SAAUjU,KAAKkU,OAAQsJ,EAAaxd,KAAKyd,YAEtFzd,KAAKyf,UAAY,M,EAId3J,MAAP,SAAczP,GACZ,IAAMuZ,EAAaL,EAAUM,YAAYxZ,GACzC,QAAIuZ,EAAa,KAGXA,GACFtd,IAAOpB,KAAP,wDAAoE0e,EAApE,mBAGK,I,EAIJC,YAAP,SAAoBxZ,GAIlB,IAFA,IAAMyZ,EAAazX,KAAK0S,IAAI,IAAM1U,EAAKE,OAAS,KAC5CU,EAAI,EACDA,EAAI6Y,GAAY,CAErB,GAAgB,KAAZzZ,EAAKY,IAAiC,KAAlBZ,EAAKY,EAAI,MAAuC,KAAtBZ,EAAKY,EAAI,KACzD,OAAOA,EAEPA,IAGJ,OAAQ,G,EAUH8Y,YAAP,SAAoBxe,EAAM+W,GACxB,MAAO,CACLE,UAAoB,UAATjX,GAA6B,UAATA,EAAmB,kBAAeoN,EACjEpN,OACAkX,GAAI0G,EAAqB5d,GACzBye,KAAM,EACNpH,eAAgB,IAChBF,eAAgB,EAChBX,QAAS,GACTkI,QAAkB,UAAT1e,EAAmB,OAAIoN,EAChCgK,MAAgB,UAATpX,QAA0BoN,EACjC2J,SAAmB,UAAT/W,EAAmB+W,OAAW3J,I,EAc5CwJ,iBAAA,SAAkBC,EAAajC,EAAYkC,EAAYC,GACrDtY,KAAKkgB,WAAY,EACjBlgB,KAAKmgB,QAAU,EAEfngB,KAAKogB,UAAYb,EAAUQ,YAAY,QAASzH,GAChDtY,KAAKuY,YAAcgH,EAAUQ,YAAY,QAASzH,GAClDtY,KAAKqgB,UAAYd,EAAUQ,YAAY,MAAOzH,GAC9CtY,KAAKsgB,UAAYf,EAAUQ,YAAY,OAAQzH,GAG/CtY,KAAKugB,YAAc,KACnBvgB,KAAKwgB,WAAa,KAClBxgB,KAAKygB,UAAY,KACjBzgB,KAAKmW,WAAaA,EAClBnW,KAAKqY,WAAaA,EAClBrY,KAAK0gB,UAAYpI,G,EAOnBO,eAAA,a,EAGAE,OAAA,SAAQ1S,EAAM2S,EAAYC,EAAYC,GACpC,IAAIyH,EAA0BC,EAAKZ,EAAU1Z,EAAQua,EAA1ClX,EAAMtD,EAAKE,OACpBua,GAAc,EAChB9gB,KAAKiZ,WAAaA,EAClB,IAAIiH,EAAYlgB,KAAKkgB,UACnBa,EAAW/gB,KAAKogB,UAChBY,EAAahhB,KAAKuY,YAClB0I,EAAWjhB,KAAKqgB,UAChBa,EAAQH,EAASf,IACjBmB,EAAUH,EAAWhB,IACrBoB,EAAQH,EAASjB,IACjBqB,EAAQrhB,KAAKmgB,OACbmB,EAAUP,EAASQ,QACnBC,EAAYR,EAAWO,QACvB/Z,EAAUyZ,EAASM,QACnBE,EAAWzhB,KAAK0hB,UAChBC,EAAW3hB,KAAK4hB,UAChBC,EAAW7hB,KAAK8hB,UAChBC,EAAc/hB,KAAKgiB,aAAa1hB,KAAKN,MACrCiiB,EAAcjiB,KAAKkiB,aAAa5hB,KAAKN,MACrCmiB,EAAeniB,KAAKoiB,cAAc9hB,KAAKN,MACvCqiB,EAAcriB,KAAKsiB,aAAahiB,KAAKN,MAEjC4f,EAAaL,EAAUM,YAAYxZ,GAMzC,IAHAsD,IAAQA,EAAMiW,GAAc,IAGvBe,EAAQf,EAAYe,EAAQhX,EAAKgX,GAAS,IAC7C,GAAoB,KAAhBta,EAAKsa,GAAiB,CAMxB,GALAC,KAA2B,GAAlBva,EAAKsa,EAAQ,IAEtBX,IAA0B,GAAlB3Z,EAAKsa,EAAQ,KAAc,GAAKta,EAAKsa,EAAQ,IAC5B,GAAlBta,EAAKsa,EAAQ,KAAc,EAExB,GAGR,IAFAra,EAASqa,EAAQ,EAAIta,EAAKsa,EAAQ,MAElBA,EAAQ,IACtB,cAGFra,EAASqa,EAAQ,EAEnB,OAAQX,GACR,KAAKkB,EACCN,IACEU,IAAYT,EAAMgB,EAASP,KAC7BS,EAAYlB,GAAK,GAGnBS,EAAU,CAAEjb,KAAM,GAAIQ,KAAM,IAE1Bya,IACFA,EAAQjb,KAAKuB,KAAKvB,EAAKO,SAASN,EAAQqa,EAAQ,MAChDW,EAAQza,MAAQ8Z,EAAQ,IAAMra,GAEhC,MACF,KAAK6a,EACCP,IACEY,IAAcX,EAAMgB,EAASL,MAC3BR,EAAWrI,MACbsJ,EAAYpB,GAEZsB,EAAatB,IAGjBW,EAAY,CAAEnb,KAAM,GAAIQ,KAAM,IAE5B2a,IACFA,EAAUnb,KAAKuB,KAAKvB,EAAKO,SAASN,EAAQqa,EAAQ,MAClDa,EAAU3a,MAAQ8Z,EAAQ,IAAMra,GAElC,MACF,KAAK8a,EACCR,IACEpZ,IAAYqZ,EAAMgB,EAASra,KAC7B6a,EAAYxB,GAGdrZ,EAAU,CAAEnB,KAAM,GAAIQ,KAAM,IAE1BW,IACFA,EAAQnB,KAAKuB,KAAKvB,EAAKO,SAASN,EAAQqa,EAAQ,MAChDnZ,EAAQX,MAAQ8Z,EAAQ,IAAMra,GAEhC,MACF,KAAK,EACCsa,IACFta,GAAUD,EAAKC,GAAU,GAG3B+a,EAAQrhB,KAAKmgB,OAASsB,EAASpb,EAAMC,GACrC,MACF,KAAK+a,EACCT,IACFta,GAAUD,EAAKC,GAAU,GAG3B,IAAIic,EAAaZ,EAAStb,EAAMC,GAAoC,IAA5BtG,KAAKwf,cAAcgD,OAA4C,IAA3BxiB,KAAKwf,cAAciD,IAAgC,MAAlBziB,KAAKyf,YAQlHyB,EAAQqB,EAAWG,KACP,IACV3B,EAASf,IAAMkB,IAGjBC,EAAUoB,EAAWlD,OACP,IACZ2B,EAAWhB,IAAMmB,EACjBH,EAAWrI,MAAQ4J,EAAW5J,QAEhCyI,EAAQmB,EAAWjD,KACP,IACV2B,EAASjB,IAAMoB,GAGbN,IAAgBZ,IAClB5d,IAAOrB,IAAI,0BACX6f,GAAc,EAEdH,EAAQf,EAAa,KAEvBM,EAAYlgB,KAAKkgB,WAAY,EAC7B,MACF,KAAK,GACL,KAAK,KACH,MACF,QACEY,GAAc,QAIhB9gB,KAAKiU,SAASmB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAWyP,YAAaC,QAASzP,IAAamR,mBAAoBxB,OAAO,EAAOC,OAAQ,sCAInI4L,IAAYT,EAAMgB,EAASP,KAC7BS,EAAYlB,GAAK,GACjBE,EAASQ,QAAU,MAGnBR,EAASQ,QAAUD,EAGjBE,IAAcX,EAAMgB,EAASL,KAC3BR,EAAWrI,MACbsJ,EAAYpB,GAEZsB,EAAatB,GAGfG,EAAWO,QAAU,OAEjBC,GAAaA,EAAU3a,MACzBvE,IAAOrB,IAAI,iEAIb+f,EAAWO,QAAUC,GAGnBha,IAAYqZ,EAAMgB,EAASra,KAC7B6a,EAAYxB,GACZI,EAASM,QAAU,MAGnBN,EAASM,QAAU/Z,EAGC,MAAlBxH,KAAKyf,UACPzf,KAAKkY,QAAQkB,MAAM4H,EAAYD,EAAUE,EAAUjhB,KAAKsgB,UAAWtH,EAAYC,EAAYC,GAE3FlZ,KAAK2iB,gBAAgB3B,EAAYD,EAAUE,EAAUjhB,KAAKsgB,UAAWtH,EAAYC,EAAYC,I,EAIjGyJ,gBAAA,SAAiB3B,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,GACpF,GAAI8H,EAAWjJ,SAAWiJ,EAAWrI,MAAO,CAC1C,IAAIwF,EAAYne,KAChBA,KAAKyf,UAAUpB,kBAAkB2C,EAAWjJ,QAAS,GAAG,WACtDoG,EAAU2E,mBAAmB9B,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,WAGpGlZ,KAAK8iB,mBAAmB9B,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,I,EAIjG4J,mBAAA,SAAoB9B,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,GACvF,GAAI0J,EAAW7K,QAAS,CACtB,IAAIoG,EAAYne,KAChBA,KAAKyf,UAAUT,kBAAkB4D,EAAW7K,QAAS,EAAG,GAAG,WACzDoG,EAAUjG,QAAQkB,MAAM4H,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,WAG/FlZ,KAAKkY,QAAQkB,MAAM4H,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,I,EAI5FnF,QAAA,WACE/T,KAAK+iB,SAAW/iB,KAAKgjB,cAAWrU,EAChC3O,KAAK0gB,UAAY,G,EAGnBgB,UAAA,SAAWrb,EAAMC,GAEf,OAA4B,GAApBD,EAAKC,EAAS,MAAe,EAAID,EAAKC,EAAS,K,EAIzDsb,UAAA,SAAWvb,EAAMC,EAAQ2c,EAAeC,GACtC,IAAmBC,EAA6BnD,EAAK9K,EAAS,CAAEmK,OAAQ,EAAGqD,KAAM,EAAGpD,KAAM,EAAG3G,OAAO,GAQpG,IANAwK,EAAW7c,EAAS,IADgB,GAAnBD,EAAKC,EAAS,KAAc,EAAID,EAAKC,EAAS,IACvB,EAKxCA,GAAU,KAF+B,GAApBD,EAAKC,EAAS,MAAe,EAAID,EAAKC,EAAS,KAG7DA,EAAS6c,GAAU,CAExB,OADAnD,GAA0B,GAAnB3Z,EAAKC,EAAS,KAAc,EAAID,EAAKC,EAAS,GAC7CD,EAAKC,IACb,KAAK,IACH,IAAK4c,EAAa,CAChB5gB,IAAOrB,IAAI,uBAAyBoF,EAAKC,IACzC,MAKJ,KAAK,IAEmB,IAAlB4O,EAAOmK,QACTnK,EAAOmK,MAAQW,GAGjB,MAGF,KAAK,IAEiB,IAAhB9K,EAAOoK,MACTpK,EAAOoK,IAAMU,GAGf,MAEF,KAAK,IACH,IAAKkD,EAAa,CAChB5gB,IAAOrB,IAAI,uBAAyBoF,EAAKC,IACzC,MAKJ,KAAK,IAEiB,IAAhB4O,EAAOwN,MACTxN,EAAOwN,IAAM1C,GAGf,MAIF,KAAK,EACL,KAAK,EAEEiD,GAEwB,IAAlB/N,EAAOmK,QAChBnK,EAAOmK,MAAQW,EACf9K,EAAOyD,OAAQ,GAHfrW,IAAOrB,IAAI,2DAKb,MAEF,KAAK,GACHqB,IAAOpB,KAAK,iDACZ,MAEF,QACEoB,IAAOrB,IAAI,uBAAyBoF,EAAKC,IAK3CA,GAAgE,IAAjC,GAAnBD,EAAKC,EAAS,KAAc,EAAID,EAAKC,EAAS,IAE5D,OAAO4O,G,EAGT4M,UAAA,SAAWsB,GACT,IAAWC,EAAMC,EAAqBC,EAAQC,EAAWjC,EAASkC,EAAQC,EAAQC,EAA9E1c,EAAI,EAA8FZ,EAAO+c,EAAO/c,KAEpH,IAAK+c,GAA0B,IAAhBA,EAAOvc,KACpB,OAAO,KAMT,KAAOR,EAAK,GAAGE,OAAS,IAAMF,EAAKE,OAAS,GAAG,CAC7C,IAAIqd,EAAU,IAAI1b,WAAW7B,EAAK,GAAGE,OAASF,EAAK,GAAGE,QACtDqd,EAAQ5I,IAAI3U,EAAK,IACjBud,EAAQ5I,IAAI3U,EAAK,GAAIA,EAAK,GAAGE,QAC7BF,EAAK,GAAKud,EACVvd,EAAKwd,OAAO,EAAG,GAKjB,GAAkB,MAFlBR,EAAOhd,EAAK,IACM,IAAM,KAAOgd,EAAK,IAAM,GAAKA,EAAK,GAC/B,CAInB,IAHAE,GAAUF,EAAK,IAAM,GAAKA,EAAK,KAGjBE,EAASH,EAAOvc,KAAO,EACnC,OAAO,KAyCT,GArCe,KADfyc,EAAWD,EAAK,OAKdI,EAA4B,WAAR,GAAVJ,EAAK,IACO,SAAR,IAAXA,EAAK,KACc,OAAR,IAAXA,EAAK,KACc,KAAR,IAAXA,EAAK,MACM,IAAXA,EAAK,KAAc,GAET,aAEXI,GAAU,YAEG,GAAXH,IACFI,EAA6B,WAAR,GAAXL,EAAK,KACO,SAAR,IAAXA,EAAK,KACc,OAAR,IAAXA,EAAK,KACc,KAAR,IAAXA,EAAK,MACM,IAAXA,EAAK,KAAc,GAET,aAEXK,GAAU,YAERD,EAASC,EAAS,OACpBphB,IAAOpB,KAAQmH,KAAKC,OAAOmb,EAASC,GAAU,KAA9C,2CACAD,EAASC,IAGXA,EAASD,GAKbE,GAFAH,EAAYH,EAAK,IAEgB,EAE7BD,EAAOvc,MAAQ8c,EACjB,OAAO,KAETP,EAAOvc,MAAQ8c,EAEfpC,EAAU,IAAIrZ,WAAWkb,EAAOvc,MAChC,IAAK,IAAI+H,EAAI,EAAGkV,EAAUzd,EAAKE,OAAQqI,EAAIkV,EAASlV,IAAK,CAEvD,IAAIjF,GADJ0Z,EAAOhd,EAAKuI,IACG3G,WACf,GAAI0b,EAAoB,CACtB,GAAIA,EAAqBha,EAAK,CAE5Bga,GAAsBha,EACtB,SAGA0Z,EAAOA,EAAKzc,SAAS+c,GACrBha,GAAOga,EACPA,EAAqB,EAGzBpC,EAAQvG,IAAIqI,EAAMpc,GAClBA,GAAK0C,EAMP,OAJI4Z,IAEFA,GAAUC,EAAY,GAEjB,CAAEnd,KAAMkb,EAASlK,IAAKoM,EAAQ3L,IAAK4L,EAAQ/Z,IAAK4Z,GAEvD,OAAO,M,EAIXQ,cAAA,SAAetD,EAAWM,GACxB,GAAIN,EAAUvB,MAAM3Y,QAAUka,EAAUvZ,MAAO,CAC7C,IAAM6Q,EAAUgJ,EAAShJ,QACnBiM,EAAYjM,EAAQxR,OAE1B,GAAI0d,MAAMxD,EAAUpJ,KAAM,CACxB,IAAI2M,EAOF,YADAjD,EAASd,UALT,IAAMiE,EAAanM,EAAQiM,EAAY,GACvCvD,EAAUpJ,IAAM6M,EAAW7M,IAC3BoJ,EAAU3I,IAAMoM,EAAWpM,KAW1B9X,KAAKkU,OAAOiQ,+BACK,IAAlB1D,EAAUpgB,KACT0gB,EAASqD,MAAQJ,GAAahkB,KAAKiZ,aACtCwH,EAAUhI,GAAKuL,EACfjM,EAAQnQ,KAAK6Y,IAGbM,EAASd,UAGTQ,EAAUzf,MAAMuF,QAClBjE,IAAOrB,IAAIwf,EAAUpJ,IAAM,IAAMoJ,EAAU3I,IAAM,IAAM2I,EAAUzf,Q,EAIrEghB,aAAA,SAAcnB,EAAKwD,GAAM,IAKrBC,EAEA1c,EAEAX,EATqB,OAEnBiP,EAAQlW,KAAKogB,UACflB,EAAQlf,KAAKukB,cAAc1D,EAAIxa,MAG/Boa,EAAYzgB,KAAKygB,UAEjB+D,GAAW,EAEXT,EAAgB/jB,KAAK+jB,cAAczjB,KAAKN,MACxCykB,EAAkB,SAAUpkB,EAAKgX,EAAKS,EAAK9W,GACzC,MAAO,CAAEX,IAAKA,EAAKgX,IAAKA,EAAKS,IAAKA,EAAKoH,MAAO,GAAIle,MAAOA,IAG7D6f,EAAIxa,KAAO,KAIPoa,GAAavB,EAAM3Y,SAAW2P,EAAMwO,WACtCX,EAActD,EAAWvK,GACzBuK,EAAYzgB,KAAKygB,UAAYgE,GAAgB,EAAO5D,EAAIxJ,IAAKwJ,EAAI/I,IAAK,KAGxEoH,EAAM/c,SAAQ,SAAA0V,GACZ,OAAQA,EAAKtW,MAEb,KAAK,EACHqG,GAAO,EACF6Y,IACHA,EAAY,EAAKA,UAAYgE,GAAgB,EAAM5D,EAAIxJ,IAAKwJ,EAAI/I,IAAK,KAOvE2I,EAAUvZ,OAAQ,EAClB,IAAIb,EAAOwR,EAAKxR,KAEhB,GAAIme,GAAYne,EAAKE,OAAS,EAAG,CAE/B,IAAIoe,EAAY,IAAInK,EAAUnU,GAAMiX,gBAMlB,IAAdqH,GAAiC,IAAdA,GAAiC,IAAdA,GAAiC,IAAdA,IAC3DlE,EAAUpgB,KAAM,GAGpB,MAEF,KAAK,EACHuH,GAAO,EAEF6Y,IACHA,EAAY,EAAKA,UAAYgE,GAAgB,EAAM5D,EAAIxJ,IAAKwJ,EAAI/I,IAAK,KAOvE2I,EAAUpgB,KAAM,EAChBogB,EAAUvZ,OAAQ,EAClB,MAEF,KAAK,EACHU,GAAO,GAKP0c,EAAmB,IAAI9J,EAAU,EAAKiD,WAAW5F,EAAKxR,QAGrC0V,YAOjB,IALA,IAAI6I,EAAc,EACdC,EAAc,EACdC,GAAgB,EAChBC,EAAI,GAEAD,GAAiBR,EAAiB7J,eAAiB,GAAG,CAC5DmK,EAAc,EACd,GAEEA,GADAG,EAAIT,EAAiBvI,kBAER,MAANgJ,GAGTF,EAAc,EACd,GAEEA,GADAE,EAAIT,EAAiBvI,kBAER,MAANgJ,GAIT,GAAoB,IAAhBH,GAAyD,IAApCN,EAAiB7J,gBAKxC,GAJAqK,GAAgB,EAII,MAFFR,EAAiBvI,YAKjC,GAAqB,KAFFuI,EAAiBtI,aAKlC,GAAsB,aAFFsI,EAAiBrI,WAMnC,GAAqB,IAHFqI,EAAiBvI,YAGZ,CACtB,IAAIiJ,EAAYV,EAAiBvI,YAG7BkJ,EAAW,GAAKD,EAChBE,EAAY,CAACF,EAHAV,EAAiBvI,aAKlC,IAAK9U,EAAI,EAAGA,EAAIge,EAAUhe,IAExBie,EAAUtd,KAAK0c,EAAiBvI,aAChCmJ,EAAUtd,KAAK0c,EAAiBvI,aAChCmJ,EAAUtd,KAAK0c,EAAiBvI,aAGlC,EAAKoJ,qBAAqB,EAAK7E,UAAUvI,QAAS,CAAExW,KAAM,EAAG8V,IAAKwJ,EAAIxJ,IAAK+N,MAAOF,UAKrF,GAAoB,IAAhBN,GAAyD,IAApCN,EAAiB7J,gBAG/C,GAFAqK,GAAgB,EAEZD,EAAc,GAAI,CACpB,IAAMQ,EAAe,GACrB,IAAKpe,EAAI,EAAGA,EAAI,GAAIA,IAClBoe,EAAazd,KAAK0c,EAAiBvI,YAAYuJ,SAAS,KAE9C,IAANre,GAAiB,IAANA,GAAiB,IAANA,GAAiB,IAANA,GACnCoe,EAAazd,KAAK,KAGtB,IAAMrB,EAASse,EAAc,GACvBU,EAAuB,IAAIrd,WAAW3B,GAC5C,IAAKU,EAAI,EAAGA,EAAIV,EAAQU,IACtBse,EAAqBte,GAAKqd,EAAiBvI,YAG7C,EAAKoJ,qBAAqB,EAAK7E,UAAUvI,QAAS,CAChDV,IAAKwJ,EAAIxJ,IACTuN,YAAaA,EACbY,KAAMH,EAAanZ,KAAK,IACxBuZ,cAAeF,EACfG,SAAU5b,YAAeyb,EAAqB7c,gBAG7C,GAAImc,EAAcP,EAAiB7J,eACxC,IAAKxT,EAAI,EAAGA,EAAI4d,EAAa5d,IAC3Bqd,EAAiBvI,YAIvB,MAEF,KAAK,EAOH,GANAnU,GAAO,EACP4c,GAAW,GAKNtO,EAAMkO,IAAK,CAEd,IAAIlQ,GADJoQ,EAAmB,IAAI9J,EAAU3C,EAAKxR,OACRgW,UAC9BnG,EAAMiH,MAAQjJ,EAAOiJ,MACrBjH,EAAMmH,OAASnJ,EAAOmJ,OACtBnH,EAAMgH,WAAahJ,EAAOgJ,WAC1BhH,EAAMkO,IAAM,CAACvM,EAAKxR,MAClB6P,EAAMoC,SAAW,EAAKoI,UACtB,IAAIiF,EAAa9N,EAAKxR,KAAKO,SAAS,EAAG,GACnCgf,EAAc,QAClB,IAAK3e,EAAI,EAAGA,EAAI,EAAGA,IAAK,CACtB,IAAI4e,EAAIF,EAAW1e,GAAGqe,SAAS,IAC3BO,EAAEtf,OAAS,IACbsf,EAAI,IAAMA,GAGZD,GAAeC,EAEjB3P,EAAMc,MAAQ4O,EAEhB,MAEF,KAAK,EACHhe,GAAO,EAKFsO,EAAM4P,MACT5P,EAAM4P,IAAM,CAACjO,EAAKxR,OAGpB,MAEF,KAAK,EACHuB,GAAO,EACPsO,EAAMwO,UAAW,EACbjE,GACFsD,EAActD,EAAWvK,GAG3BuK,EAAY,EAAKA,UAAYgE,GAAgB,EAAO5D,EAAIxJ,IAAKwJ,EAAI/I,IAAsB,IACvF,MAEF,KAAK,GACHlQ,GAAO,EACP,MACF,QACEA,GAAO,EACH6Y,IACFA,EAAUzf,OAAS,eAAiB6W,EAAKtW,KAAO,KAKhDkf,GAAa7Y,GACH6Y,EAAUvB,MAChBtX,KAAKiQ,MAIXwM,GAAQ5D,IACVsD,EAActD,EAAWvK,GACzBlW,KAAKygB,UAAY,O,EAIrB0E,qBAAA,SAAsBY,EAAK1f,GACzB,IAAIsD,EAAMoc,EAAIxf,OACd,GAAIoD,EAAM,GACR,GAAItD,EAAKgR,KAAO0O,EAAIpc,EAAM,GAAG0N,IAC3B0O,EAAIne,KAAKvB,QAET,IAAK,IAAI2f,EAAMrc,EAAM,EAAGqc,GAAO,EAAGA,IAChC,GAAI3f,EAAKgR,IAAM0O,EAAIC,GAAK3O,IAAK,CAC3B0O,EAAIlC,OAAOmC,EAAK,EAAG3f,GACnB,YAKN0f,EAAIne,KAAKvB,I,EAIb4f,gBAAA,WACE,IAAgCC,EAA5BzF,EAAYzgB,KAAKygB,UAErB,IAAKA,GAAwC,IAA3BA,EAAUvB,MAAM3Y,OAAc,CAC9C,IAA4BwR,EAAhB/X,KAAKogB,UAA2BrI,QAC5C0I,EAAY1I,EAAQA,EAAQxR,OAAS,GAEvC,GAAIka,EAAW,CACb,IAAIvB,EAAQuB,EAAUvB,MACtBgH,EAAWhH,EAAMA,EAAM3Y,OAAS,GAElC,OAAO2f,G,EAGT3B,cAAA,SAAexb,GACb,IAAmC3I,EAAO+lB,EAC1BtO,EAAoCuO,EADhDnf,EAAI,EAAG0C,EAAMZ,EAAMd,WAA6BiO,EAAQlW,KAAKogB,UAAWiG,EAAQnQ,EAAMoQ,WAAa,EAAGC,EAAYF,EAClHnH,EAAQ,GAAoBsH,GAAiB,EAYjD,KATe,IAAXH,IAEFG,EAAgB,EAEhBJ,EAA0B,GAAXrd,EAAM,GACrBsd,EAAQ,EACRpf,EAAI,GAGCA,EAAI0C,GAGT,GAFAvJ,EAAQ2I,EAAM9B,KAETof,EAIL,GAAc,IAAVA,EAKJ,GAAKjmB,EAEE,GAAc,IAAVA,EAAa,CACtB,GAAIomB,GAAiB,EACnB3O,EAAO,CAAExR,KAAM0C,EAAMnC,SAAS4f,EAAevf,EAAIof,EAAQ,GAAI9kB,KAAM6kB,GAEnElH,EAAMtX,KAAKiQ,OACN,CAKL,IAAIqO,EAAWlmB,KAAKimB,kBACpB,GAAIC,IACEK,GAActf,GAAK,EAAIsf,GAIrBL,EAASG,QAEXH,EAAS7f,KAAO6f,EAAS7f,KAAKO,SAAS,EAAGsf,EAAS7f,KAAK4B,WAAase,KAIzEJ,EAAWlf,EAAIof,EAAQ,GACR,GAAG,CAEhB,IAAII,EAAM,IAAIve,WAAWge,EAAS7f,KAAK4B,WAAake,GACpDM,EAAIzL,IAAIkL,EAAS7f,KAAM,GACvBogB,EAAIzL,IAAIjS,EAAMnC,SAAS,EAAGuf,GAAWD,EAAS7f,KAAK4B,YACnDie,EAAS7f,KAAOogB,GAKlBxf,EAAI0C,GAGN6c,EAAgBvf,EAChBmf,EAHsB,GAAXrd,EAAM9B,GAIjBof,EAAQ,GAGRA,GAAS,OAGXA,EAAQ,OA7CRA,EAAQ,OALRA,EAAQjmB,EAAQ,EAAI,OAJpBimB,EAAQjmB,EAAQ,EAAI,EA+DxB,GANIomB,GAAiB,GAAKH,GAAS,IACjCxO,EAAO,CAAExR,KAAM0C,EAAMnC,SAAS4f,EAAe7c,GAAMpI,KAAM6kB,EAAcC,MAAOA,GAC9EnH,EAAMtX,KAAKiQ,IAIQ,IAAjBqH,EAAM3Y,OAAc,CAEtB,IAAI2f,EAAWlmB,KAAKimB,kBACpB,GAAIC,EAAU,CACZ,IAAIO,EAAM,IAAIve,WAAWge,EAAS7f,KAAK4B,WAAac,EAAMd,YAC1Dwe,EAAIzL,IAAIkL,EAAS7f,KAAM,GACvBogB,EAAIzL,IAAIjS,EAAOmd,EAAS7f,KAAK4B,YAC7Bie,EAAS7f,KAAOogB,GAIpB,OADAvQ,EAAMoQ,UAAYD,EACXnH,G,EAMTzB,WAAA,SAAYpX,GAOV,IANA,IAGEqgB,EAAW9C,EAHTrd,EAASF,EAAK4B,WAChB0e,EAAe,GACf1f,EAAI,EAICA,EAAIV,EAAS,GACF,IAAZF,EAAKY,IACW,IAAhBZ,EAAKY,EAAI,IACO,IAAhBZ,EAAKY,EAAI,IACX0f,EAAa/e,KAAKX,EAAI,GACtBA,GAAK,GAELA,IAMJ,GAA4B,IAAxB0f,EAAapgB,OACf,OAAOF,EAITqgB,EAAYngB,EAASogB,EAAapgB,OAClCqd,EAAU,IAAI1b,WAAWwe,GACzB,IAAIE,EAAc,EAElB,IAAK3f,EAAI,EAAGA,EAAIyf,EAAWE,IAAe3f,IACpC2f,IAAgBD,EAAa,KAE/BC,IAEAD,EAAaE,SAEfjD,EAAQ3c,GAAKZ,EAAKugB,GAEpB,OAAOhD,G,EAGT1B,aAAA,SAAcrB,GACZ,IAMErJ,EAAeF,EAAYhR,EAAQoR,EAAO/N,EAgBtC+L,EAAQD,EAtBVS,EAAQlW,KAAKuY,YACflS,EAAOwa,EAAIxa,KACXgR,EAAMwJ,EAAIxJ,IAEVkJ,EAAcvgB,KAAKugB,YACnBC,EAAaxgB,KAAKwgB,WAEpB,GAAID,EAAa,CACf,IAAIkG,EAAM,IAAIve,WAAWqY,EAAYtY,WAAa5B,EAAK4B,YACvDwe,EAAIzL,IAAIuF,EAAa,GACrBkG,EAAIzL,IAAI3U,EAAMka,EAAYtY,YAE1B5B,EAAOogB,EAGT,IAAKngB,EAZW,EAYWqD,EAAMtD,EAAKE,OAAQD,EAASqD,EAAM,IACvDmP,EAAczS,EAAMC,GADsCA,KAMhE,GAAIA,IAEEA,EAASqD,EAAM,GACjB+L,EAAS,iDAAiDpP,EAC1DmP,GAAQ,IAERC,EAAS,kCACTD,GAAQ,GAEVnT,IAAOpB,KAAP,iBAA6BwU,GAC7B1V,KAAKiU,SAASmB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAWyP,YAAaC,QAASzP,IAAamR,mBAAoBxB,MAAOA,EAAOC,OAAQA,IAC/HD,GACF,OAUJ,GANAqD,EAAqB5C,EAAOlW,KAAKiU,SAAU5N,EAAMC,EAAQtG,KAAKmW,YAC9DmB,EAAa,EACbE,EAAgBsB,EAAsB5C,EAAME,YAIxCmK,GAAeC,EAAY,CAC7B,IAAIsG,EAAStG,EAAahJ,EACtBnP,KAAK0e,IAAID,EAASzP,GAAO,IAC3B/U,IAAOrB,IAAP,4CAAuDoH,KAAKC,OAAOwe,EAASzP,GAAO,KACnFA,EAAMyP,GAKV,KAAOxgB,EAASqD,GAAK,CACnB,GAAImP,EAAczS,EAAMC,GAAS,CAC/B,GAAKA,EAAS,EAAKqD,EAAK,CACtB,IAAMzC,EAAQ4R,EAAiB5C,EAAO7P,EAAMC,EAAQ+Q,EAAKC,GACzD,GAAIpQ,EAAO,CACTZ,GAAUY,EAAMX,OAChBmR,EAAQxQ,EAAM8Q,OAAOX,IACrBC,IACA,UAKJ,MAGAhR,IAKFia,EADEja,EAASqD,EACGtD,EAAKO,SAASN,EAAQqD,GAGtB,KAGhB3J,KAAKugB,YAAcA,EACnBvgB,KAAKwgB,WAAa9I,G,EAGpB0K,cAAA,SAAevB,GAOb,IANA,IAAIxa,EAAOwa,EAAIxa,KACXE,EAASF,EAAKE,OACd+Q,EAAa,EACbhR,EAAS,EACT+Q,EAAMwJ,EAAIxJ,IAEP/Q,EAASC,GACd,GAAI8S,EAAUjT,SAASC,EAAMC,GAAS,CACpC,IAAIY,EAAQmS,EAAUjC,YAAYpX,KAAKuY,YAAalS,EAAMC,EAAQ+Q,EAAKC,GACvE,IAAIpQ,EAKF,MAJAZ,GAAUY,EAAMX,OAChB+Q,SAOFhR,K,EAKNgc,aAAA,SAAczB,GACZ7gB,KAAKqgB,UAAUtI,QAAQnQ,KAAKiZ,I,KCh/BjBmG,E,WA7Eb,WAAa/S,EAAUiE,EAAShE,GAC9BlU,KAAKiU,SAAWA,EAChBjU,KAAKkU,OAASA,EACdlU,KAAKkY,QAAUA,E,2BAGjBC,iBAAA,SAAkBC,EAAajC,EAAYkC,EAAYC,GACrDtY,KAAKuY,YAAc,CAAEC,UAAW,aAAcjX,KAAM,QAASkX,IAAK,EAAGC,eAAgB,EAAGC,OAAO,EAAOZ,QAAS,GAAIpO,IAAK,EAAGiN,cAAeT,EAAYmC,SAAUA,EAAUM,eAAgB,M,EAG5LC,eAAA,a,EAGO/C,MAAP,SAAczP,GAEZ,IAAIC,EAAQC,EACRiB,EAAUrB,IAAIM,WAAWJ,EAAM,GACnC,GAAImB,QAAyCmH,IAA9BxI,IAAIW,aAAaU,GAI9B,IAAKlB,EAASkB,EAAQjB,OAAQA,EAAS8B,KAAK0S,IAAI1U,EAAKE,OAAS,EAAGD,EAAS,KAAMA,EAASC,EAAQD,IAC/F,GAAI+S,EAAUvD,MAAMzP,EAAMC,GAExB,OADAhE,IAAOrB,IAAI,iCACJ,EAIb,OAAO,G,EAIT8X,OAAA,SAAQ1S,EAAM2S,EAAYC,EAAYC,GAWpC,IAVA,IAAI1R,EAAUrB,IAAIM,WAAWJ,EAAM,GAC/B+B,EAAYjC,IAAIW,aAAaU,GAC7B6P,EAAMjP,EAAY,GAAKA,EAAyB,IAAb4Q,EACnC1S,EAASkB,EAAQjB,OACjBA,EAASF,EAAKE,OACd+Q,EAAa,EAAGI,EAAQ,EACxBxB,EAAQlW,KAAKuY,YAEbY,EAAa,CAAC,CAAE9B,IAAKA,EAAKS,IAAKT,EAAKhR,KAAMmB,IAEvClB,EAASC,GACd,GAAI8S,EAAUjT,SAASC,EAAMC,GAAS,CACpC,IAAIY,EAAQmS,EAAUjC,YAAYlB,EAAO7P,EAAMC,EAAQ+Q,EAAKC,GAC5D,IAAIpQ,EAMF,MALAZ,GAAUY,EAAMX,OAChBmR,EAAQxQ,EAAM8Q,OAAOX,IACrBC,SAKOnR,IAAIC,SAASC,EAAMC,IAC5BkB,EAAUrB,IAAIM,WAAWJ,EAAMC,GAC/B6S,EAAWvR,KAAK,CAAEyP,IAAKK,EAAOI,IAAKJ,EAAOrR,KAAMmB,IAChDlB,GAAUkB,EAAQjB,QAGlBD,IAIJtG,KAAKkY,QAAQkB,MAAMlD,EACjB,CAAE6B,QAAS,IACX,CAAEA,QAASoB,EAAYP,eAAgB,KACvC,CAAEb,QAAS,IACXiB,EACAC,EACAC,I,EAGJnF,QAAA,a,KCxCakT,E,kCApCNC,eAAP,SAAuBlQ,EAAOD,GAC5B,OAAQC,GACR,IAAK,YACH,GAAqB,IAAjBD,EACF,OAAO,IAAI7O,WAAW,CAAC,EAAM,IAAM,EAAM,IAAM,GAAM,MAChD,GAAqB,IAAjB6O,EACT,OAAO,IAAI7O,WAAW,CAAC,GAAM,EAAM,GAAM,IAAM,EAAM,GAAM,EAAM,GAAM,MAClE,GAAqB,IAAjB6O,EACT,OAAO,IAAI7O,WAAW,CAAC,EAAM,IAAM,EAAM,IAAM,GAAM,IAAM,EAAM,GAAM,GAAM,EAAM,IAAM,EAAM,MAC1F,GAAqB,IAAjB6O,EACT,OAAO,IAAI7O,WAAW,CAAC,EAAM,IAAM,EAAM,IAAM,GAAM,IAAM,EAAM,GAAM,GAAM,EAAM,IAAM,EAAM,IAAM,GAAM,IAAM,EAAM,EAAM,KACxH,GAAqB,IAAjB6O,EACT,OAAO,IAAI7O,WAAW,CAAC,EAAM,IAAM,EAAM,IAAM,GAAM,IAAM,EAAM,GAAM,GAAM,EAAM,IAAM,EAAM,IAAM,GAAM,EAAM,IAAM,EAAM,GAAM,IAAM,EAAM,KAC1I,GAAqB,IAAjB6O,EACT,OAAO,IAAI7O,WAAW,CAAC,EAAM,IAAM,EAAM,IAAM,GAAM,IAAM,EAAM,GAAM,GAAM,EAAM,IAAM,EAAM,IAAM,GAAM,EAAM,IAAM,EAAM,GAAM,IAAM,EAAM,EAAM,IAAM,EAAM,GAAM,EAAM,MAG/K,MAEF,QACE,GAAqB,IAAjB6O,EAEF,OAAO,IAAI7O,WAAW,CAAC,EAAK,GAAM,GAAM,IAAM,IAAM,GAAM,IAAM,IAAM,IAAM,EAAK,EAAK,EAAK,EAAK,GAAM,EAAK,IAAM,IAAM,GAAK,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,KACvW,GAAqB,IAAjB6O,EAET,OAAO,IAAI7O,WAAW,CAAC,EAAK,GAAM,GAAM,IAAM,IAAM,GAAM,IAAM,IAAM,IAAM,EAAK,EAAK,EAAK,EAAK,EAAK,IAAM,EAAK,EAAK,IAAM,IAAM,GAAK,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,KACrW,GAAqB,IAAjB6O,EAET,OAAO,IAAI7O,WAAW,CAAC,EAAK,GAAM,GAAM,IAAM,IAAM,GAAM,IAAM,IAAM,IAAM,EAAK,EAAK,EAAK,EAAK,EAAK,IAAM,EAAK,EAAK,IAAM,IAAM,GAAK,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,KAI9W,OAAO,M,KCjCLif,EAAa9e,KAAK+e,IAAI,EAAG,IAAM,EAwoBtBC,E,kCAroBNC,KAAP,WAwCE,IAAIrgB,EACJ,IAAKA,KAxCLogB,EAAIE,MAAQ,CACVC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACN,OAAQ,GACRC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,IAIErC,EAAIE,MACRF,EAAIE,MAAM9mB,eAAewG,KAC3BogB,EAAIE,MAAMtgB,GAAK,CACbA,EAAE0iB,WAAW,GACb1iB,EAAE0iB,WAAW,GACb1iB,EAAE0iB,WAAW,GACb1iB,EAAE0iB,WAAW,KAKnB,IAAIC,EAAY,IAAI1hB,WAAW,CAC7B,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAClB,IAAM,IAAM,IAAM,IAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,GAAM,IAAM,IAAM,IAClB,IAAM,GAAM,GAAM,IAClB,IAAM,IAAM,IAAM,IAAM,IAGtB2hB,EAAY,IAAI3hB,WAAW,CAC7B,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAClB,IAAM,IAAM,IAAM,IAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,GAAM,IAAM,IAAM,IAClB,IAAM,GAAM,GAAM,IAClB,IAAM,IAAM,IAAM,IAAM,IAG1Bmf,EAAIyC,WAAa,CACf,MAASF,EACT,MAASC,GAGX,IAAIjC,EAAO,IAAI1f,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,GAClB,IAAM,IAAM,IAAM,GAClB,EACA,EAAM,EAAM,IAGV2gB,EAAO,IAAI3gB,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,IAGpBmf,EAAI0C,KAAO1C,EAAI2C,KAAO3C,EAAI4C,KAAOpB,EAEjCxB,EAAI6C,KAAO,IAAIhiB,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,IAEpBmf,EAAI8C,KAAO,IAAIjiB,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EACN,EAAM,EACN,EAAM,EACN,EAAM,IAERmf,EAAI+C,KAAO,IAAIliB,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EACN,EAAM,IAGRmf,EAAIgD,KAAO,IAAIniB,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,IAEpB,IAAIoiB,EAAa,IAAIpiB,WAAW,CAAC,IAAK,IAAK,IAAK,MAC5CqiB,EAAY,IAAIriB,WAAW,CAAC,GAAI,IAAK,GAAI,KACzCsiB,EAAe,IAAItiB,WAAW,CAAC,EAAG,EAAG,EAAG,IAE5Cmf,EAAIoD,KAAOpD,EAAIqD,IAAIrD,EAAIE,MAAMO,KAAMwC,EAAYE,EAAcF,EAAYC,GACzElD,EAAIsD,KAAOtD,EAAIqD,IAAIrD,EAAIE,MAAMI,KAAMN,EAAIqD,IAAIrD,EAAIE,MAAMK,KAAMA,K,EAGtD8C,IAAP,SAAYnpB,GAQV,IAPA,IAKE2T,EAJA0V,EAAU3c,MAAMzN,UAAUkN,MAAMhN,KAAK+N,UAAW,GAChD5H,EAAO,EACPI,EAAI2jB,EAAQrkB,OACZoD,EAAM1C,EAGDA,KACLJ,GAAQ+jB,EAAQ3jB,GAAGgB,WAUrB,KAPAiN,EAAS,IAAIhN,WAAWrB,IACjB,GAAMA,GAAQ,GAAM,IAC3BqO,EAAO,GAAMrO,GAAQ,GAAM,IAC3BqO,EAAO,GAAMrO,GAAQ,EAAK,IAC1BqO,EAAO,GAAY,IAAPrO,EACZqO,EAAO8F,IAAIzZ,EAAM,GAEZ0F,EAAI,EAAGJ,EAAO,EAAGI,EAAI0C,EAAK1C,IAE7BiO,EAAO8F,IAAI4P,EAAQ3jB,GAAIJ,GACvBA,GAAQ+jB,EAAQ3jB,GAAGgB,WAErB,OAAOiN,G,EAGF6S,KAAP,SAAaxmB,GACX,OAAO8lB,EAAIqD,IAAIrD,EAAIE,MAAMQ,KAAMV,EAAIyC,WAAWvoB,K,EAGzCymB,KAAP,SAAa3hB,GACX,OAAOghB,EAAIqD,IAAIrD,EAAIE,MAAMS,KAAM3hB,I,EAG1B4hB,KAAP,SAAa4C,EAAWvS,GACtBA,GAAYuS,EACZ,IAAMC,EAAoBziB,KAAKoW,MAAMnG,GAAY6O,EAAa,IACxD4D,EAAoB1iB,KAAKoW,MAAMnG,GAAY6O,EAAa,IAC9D,OAAOE,EAAIqD,IAAIrD,EAAIE,MAAMU,KAAM,IAAI/f,WAAW,CAC5C,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAC1C,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EACzC2iB,GAAa,GAAM,IACnBA,GAAa,GAAM,IACnBA,GAAa,EAAK,IACP,IAAZA,EACCC,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACCC,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACA,GAAM,IACN,EAAM,M,EAIH7C,KAAP,SAAahS,GACX,OAAOmR,EAAIqD,IAAIrD,EAAIE,MAAMW,KAAMb,EAAIY,KAAK/R,EAAM2U,UAAW3U,EAAMoC,UAAW+O,EAAIU,KAAK7R,EAAM3U,MAAO8lB,EAAIe,KAAKlS,K,EAGpGiS,KAAP,SAAazP,GACX,OAAO2O,EAAIqD,IAAIrD,EAAIE,MAAMY,KAAM,IAAIjgB,WAAW,CAC5C,EACA,EAAM,EAAM,EACXwQ,GAAkB,GAClBA,GAAkB,GAAM,IACxBA,GAAkB,EAAK,IACP,IAAjBA,M,EAIG0P,KAAP,SAAalS,GACX,MAAmB,UAAfA,EAAM3U,KACD8lB,EAAIqD,IAAIrD,EAAIE,MAAMa,KAAMf,EAAIqD,IAAIrD,EAAIE,MAAMmC,KAAMrC,EAAI+C,MAAO/C,EAAIsD,KAAMtD,EAAIuB,KAAK1S,IAE9EmR,EAAIqD,IAAIrD,EAAIE,MAAMa,KAAMf,EAAIqD,IAAIrD,EAAIE,MAAMkC,KAAMpC,EAAI8C,MAAO9C,EAAIsD,KAAMtD,EAAIuB,KAAK1S,K,EAIlFmS,KAAP,SAAa2C,EAAIC,EAAqB/U,GACpC,OAAOmR,EAAIqD,IAAIrD,EAAIE,MAAMc,KAAMhB,EAAIc,KAAK6C,GAAK3D,EAAI+B,KAAKlT,EAAO+U,K,EAKxD3C,KAAP,SAAa4C,GAKX,IAJA,IACEjkB,EAAIikB,EAAO3kB,OACX4kB,EAAQ,GAEHlkB,KACLkkB,EAAMlkB,GAAKogB,EAAIgC,KAAK6B,EAAOjkB,IAG7B,OAAOogB,EAAIqD,IAAI3oB,MAAM,KAAM,CAACslB,EAAIE,MAAMe,KAAMjB,EAAIoB,KAAKyC,EAAO,GAAGL,UAAWK,EAAO,GAAG5S,WAAW1K,OAAOud,GAAOvd,OAAOyZ,EAAImB,KAAK0C,M,EAGxH1C,KAAP,SAAa0C,GAKX,IAJA,IACEjkB,EAAIikB,EAAO3kB,OACX4kB,EAAQ,GAEHlkB,KACLkkB,EAAMlkB,GAAKogB,EAAIkC,KAAK2B,EAAOjkB,IAG7B,OAAOogB,EAAIqD,IAAI3oB,MAAM,KAAM,CAACslB,EAAIE,MAAMiB,MAAM5a,OAAOud,K,EAG9C1C,KAAP,SAAaoC,EAAWvS,GACtBA,GAAYuS,EACZ,IAAMC,EAAoBziB,KAAKoW,MAAMnG,GAAY6O,EAAa,IACxD4D,EAAoB1iB,KAAKoW,MAAMnG,GAAY6O,EAAa,IAE5D/B,EAAQ,IAAIld,WAAW,CACrB,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAC1C,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EACzC2iB,GAAa,GAAM,IACnBA,GAAa,GAAM,IACnBA,GAAa,EAAK,IACP,IAAZA,EACCC,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACCC,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACA,EAAM,EAAM,EAAM,EAClB,EAAM,EACN,EAAM,EACN,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,GAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,IAAM,IAAM,IAAM,MAEtB,OAAO1D,EAAIqD,IAAIrD,EAAIE,MAAMkB,KAAMrD,I,EAG1BuD,KAAP,SAAazS,GACX,IAGEkV,EACAnkB,EAHA8Q,EAAU7B,EAAM6B,SAAW,GAC3BqN,EAAQ,IAAIld,WAAW,EAAI6P,EAAQxR,QAKrC,IAAKU,EAAI,EAAGA,EAAI8Q,EAAQxR,OAAQU,IAC9BmkB,EAAQrT,EAAQ9Q,GAAGmkB,MACnBhG,EAAMne,EAAI,GAAMmkB,EAAMC,WAAa,EAChCD,EAAME,cAAgB,EACtBF,EAAMG,cAGX,OAAOlE,EAAIqD,IAAIrD,EAAIE,MAAMoB,KAAMvD,I,EAG1BwD,KAAP,SAAa1S,GACX,OAAOmR,EAAIqD,IAAIrD,EAAIE,MAAMqB,KAAMvB,EAAI0B,KAAK7S,GAAQmR,EAAIqD,IAAIrD,EAAIE,MAAM0B,KAAM5B,EAAI0C,MAAO1C,EAAIqD,IAAIrD,EAAIE,MAAMuB,KAAMzB,EAAI2C,MAAO3C,EAAIqD,IAAIrD,EAAIE,MAAMyB,KAAM3B,EAAI6C,MAAO7C,EAAIqD,IAAIrD,EAAIE,MAAMsB,KAAMxB,EAAI4C,Q,EAGhLzC,KAAP,SAAatR,GACX,IAAwBjP,EAAGZ,EAAMsD,EAA7Bya,EAAM,GAAI0B,EAAM,GAGpB,IAAK7e,EAAI,EAAGA,EAAIiP,EAAMkO,IAAI7d,OAAQU,IAEhC0C,GADAtD,EAAO6P,EAAMkO,IAAInd,IACNgB,WACXmc,EAAIxc,KAAM+B,IAAQ,EAAK,KACvBya,EAAIxc,KAAY,IAAN+B,GAGVya,EAAMA,EAAIxW,OAAOK,MAAMzN,UAAUkN,MAAMhN,KAAK2F,IAI9C,IAAKY,EAAI,EAAGA,EAAIiP,EAAM4P,IAAIvf,OAAQU,IAEhC0C,GADAtD,EAAO6P,EAAM4P,IAAI7e,IACNgB,WACX6d,EAAIle,KAAM+B,IAAQ,EAAK,KACvBmc,EAAIle,KAAY,IAAN+B,GAEVmc,EAAMA,EAAIlY,OAAOK,MAAMzN,UAAUkN,MAAMhN,KAAK2F,IAG9C,IAAImlB,EAAOnE,EAAIqD,IAAIrD,EAAIE,MAAME,KAAM,IAAIvf,WAAW,CAC9C,EACAkc,EAAI,GACJA,EAAI,GACJA,EAAI,GACJ,IACA,IAAOlO,EAAMkO,IAAI7d,QACjBqH,OAAOwW,GAAKxW,OAAO,CACnBsI,EAAM4P,IAAIvf,SACTqH,OAAOkY,KACV3I,EAAQjH,EAAMiH,MACdE,EAASnH,EAAMmH,OACfoO,EAAWvV,EAAMgH,WAAW,GAC5BwO,EAAWxV,EAAMgH,WAAW,GAE9B,OAAOmK,EAAIqD,IAAIrD,EAAIE,MAAMC,KAAM,IAAItf,WAAW,CAC5C,EAAM,EAAM,EACZ,EAAM,EAAM,EACZ,EAAM,EACN,EAAM,EACN,EAAM,EACN,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EACjBiV,GAAS,EAAK,IACP,IAARA,EACCE,GAAU,EAAK,IACP,IAATA,EACA,EAAM,GAAM,EAAM,EAClB,EAAM,GAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EACN,GACA,IAAM,GAAM,IAAM,IAClB,IAAM,IAAM,IAAM,IAClB,IAAM,IAAM,IAAM,GAClB,IAAM,IAAM,IAAM,GAClB,IAAM,IAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EACZ,EAAM,GACN,GAAM,KACRmO,EACAnE,EAAIqD,IAAIrD,EAAIE,MAAMG,KAAM,IAAIxf,WAAW,CACrC,EAAM,GAAM,IAAM,IAClB,EAAM,GAAM,IAAM,IAClB,EAAM,GAAM,IAAM,OACpBmf,EAAIqD,IAAIrD,EAAIE,MAAMmB,KAAM,IAAIxgB,WAAW,CACpCujB,GAAY,GACZA,GAAY,GAAM,IAClBA,GAAY,EAAK,IACP,IAAXA,EACCC,GAAY,GACZA,GAAY,GAAM,IAClBA,GAAY,EAAK,IACP,IAAXA,O,EAIG7D,KAAP,SAAa3R,GACX,IAAIyV,EAAYzV,EAAMhC,OAAO3N,OAC7B,OAAO,IAAI2B,WAAW,CACpB,EACA,EAAM,EAAM,EAEZ,EACA,GAAOyjB,EACP,EAAM,EACN,EAEA,EACA,GAAOA,EACP,GACA,GACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAElB,GACA/d,OAAO,CAAC+d,IAAY/d,OAAOsI,EAAMhC,QAAQtG,OAAO,CAAC,EAAM,EAAM,M,EAG1D2a,KAAP,SAAarS,GACX,IAAIE,EAAaF,EAAME,WACvB,OAAOiR,EAAIqD,IAAIrD,EAAIE,MAAMgB,KAAM,IAAIrgB,WAAW,CAC5C,EAAM,EAAM,EACZ,EAAM,EAAM,EACZ,EAAM,EACN,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAMgO,EAAMa,aACZ,EAAM,GACN,EAAM,EAAM,EAAM,EACjBX,GAAc,EAAK,IACP,IAAbA,EACA,EAAM,IACRiR,EAAIqD,IAAIrD,EAAIE,MAAMM,KAAMR,EAAIQ,KAAK3R,M,EAG5BuM,IAAP,SAAYvM,GACV,IAAIE,EAAaF,EAAME,WACvB,OAAOiR,EAAIqD,IAAIrD,EAAIE,MAAM,QAAS,IAAIrf,WAAW,CAC/C,EAAM,EAAM,EACZ,EAAM,EAAM,EACZ,EAAM,EACN,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAMgO,EAAMa,aACZ,EAAM,GACN,EAAM,EAAM,EAAM,EACjBX,GAAc,EAAK,IACP,IAAbA,EACA,EAAM,M,EAGH2S,KAAP,SAAa7S,GACX,MAAmB,UAAfA,EAAM3U,KACH2U,EAAMyC,OAAyB,QAAhBzC,EAAMc,MAInBqQ,EAAIqD,IAAIrD,EAAIE,MAAMwB,KAAM1B,EAAIgD,KAAMhD,EAAIkB,KAAKrS,IAHzCmR,EAAIqD,IAAIrD,EAAIE,MAAMwB,KAAM1B,EAAIgD,KAAMhD,EAAI5E,IAAIvM,IAK5CmR,EAAIqD,IAAIrD,EAAIE,MAAMwB,KAAM1B,EAAIgD,KAAMhD,EAAIG,KAAKtR,K,EAI/CsT,KAAP,SAAatT,GACX,IAAIuC,EAAKvC,EAAMuC,GACbH,EAAWpC,EAAMoC,SAAWpC,EAAM2U,UAClC1N,EAAQjH,EAAMiH,MACdE,EAASnH,EAAMmH,OACfyN,EAAoBziB,KAAKoW,MAAMnG,GAAY6O,EAAa,IACxD4D,EAAoB1iB,KAAKoW,MAAMnG,GAAY6O,EAAa,IAC1D,OAAOE,EAAIqD,IAAIrD,EAAIE,MAAMiC,KAAM,IAAIthB,WAAW,CAC5C,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAC1C,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EACzCuQ,GAAM,GAAM,IACZA,GAAM,GAAM,IACZA,GAAM,EAAK,IACP,IAALA,EACA,EAAM,EAAM,EAAM,EACjBqS,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACCC,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACA,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EACN,EAAM,EACN,EAAM,EACN,EAAM,EACN,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,GAAM,EAAM,EAAM,EACjB5N,GAAS,EAAK,IACP,IAARA,EACA,EAAM,EACLE,GAAU,EAAK,IACP,IAATA,EACA,EAAM,M,EAIH+L,KAAP,SAAalT,EAAO+U,GAClB,IAAIW,EAAwBvE,EAAIsB,KAAKzS,GACnCuC,EAAKvC,EAAMuC,GACXoT,EAA+BxjB,KAAKoW,MAAMwM,GAAuB9D,EAAa,IAC9E2E,EAA+BzjB,KAAKoW,MAAMwM,GAAuB9D,EAAa,IAChF,OAAOE,EAAIqD,IAAIrD,EAAIE,MAAM6B,KACvB/B,EAAIqD,IAAIrD,EAAIE,MAAM4B,KAAM,IAAIjhB,WAAW,CACrC,EACA,EAAM,EAAM,EACXuQ,GAAM,GACNA,GAAM,GAAM,IACZA,GAAM,EAAK,IACN,IAALA,KAEH4O,EAAIqD,IAAIrD,EAAIE,MAAM2B,KAAM,IAAIhhB,WAAW,CACrC,EACA,EAAM,EAAM,EACX2jB,GAAgC,GAChCA,GAAgC,GAAM,IACtCA,GAAgC,EAAK,IACN,IAA/BA,EACAC,GAAgC,GAChCA,GAAgC,GAAM,IACtCA,GAAgC,EAAK,IACN,IAA/BA,KAEHzE,EAAIiC,KAAKpT,EACP0V,EAAsBrlB,OACV,GACA,GACA,EACA,GACA,EACA,GACdqlB,I,EAQGvC,KAAP,SAAanT,GAEX,OADAA,EAAMoC,SAAWpC,EAAMoC,UAAY,WAC5B+O,EAAIqD,IAAIrD,EAAIE,MAAM8B,KAAMhC,EAAImC,KAAKtT,GAAQmR,EAAIa,KAAKhS,K,EAGpDqT,KAAP,SAAarT,GACX,IAAIuC,EAAKvC,EAAMuC,GACf,OAAO4O,EAAIqD,IAAIrD,EAAIE,MAAMgC,KAAM,IAAIrhB,WAAW,CAC5C,EACA,EAAM,EAAM,EACXuQ,GAAM,GACNA,GAAM,GAAM,IACZA,GAAM,EAAK,IACN,IAALA,EACD,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,M,EAIf6Q,KAAP,SAAapT,EAAO5P,GAClB,IAIEW,EAAG+Q,EAAQM,EAAUzR,EAAMukB,EAAOW,EAJhChU,EAAU7B,EAAM6B,SAAW,GAC7BpO,EAAMoO,EAAQxR,OACdylB,EAAW,GAAM,GAAKriB,EACtBZ,EAAQ,IAAIb,WAAW8jB,GAezB,IAbA1lB,GAAU,EAAI0lB,EACdjjB,EAAMiS,IAAI,CACR,EACA,EAAM,GAAM,EACXrR,IAAQ,GAAM,IACdA,IAAQ,GAAM,IACdA,IAAQ,EAAK,IACR,IAANA,EACCrD,IAAW,GAAM,IACjBA,IAAW,GAAM,IACjBA,IAAW,EAAK,IACR,IAATA,GACC,GACEW,EAAI,EAAGA,EAAI0C,EAAK1C,IAEnBqR,GADAN,EAASD,EAAQ9Q,IACCqR,SAClBzR,EAAOmR,EAAOnR,KACdukB,EAAQpT,EAAOoT,MACfW,EAAM/T,EAAO+T,IACbhjB,EAAMiS,IAAI,CACP1C,IAAa,GAAM,IACnBA,IAAa,GAAM,IACnBA,IAAa,EAAK,IACR,IAAXA,EACCzR,IAAS,GAAM,IACfA,IAAS,GAAM,IACfA,IAAS,EAAK,IACR,IAAPA,EACCukB,EAAMa,WAAa,EAAKb,EAAMC,UAC9BD,EAAME,cAAgB,EACpBF,EAAMG,eAAiB,EACvBH,EAAMc,cAAgB,EACvBd,EAAMe,UACW,MAAnBf,EAAMgB,WACa,GAAnBhB,EAAMgB,WACLL,IAAQ,GAAM,IACdA,IAAQ,GAAM,IACdA,IAAQ,EAAK,IACR,IAANA,GACC,GAAK,GAAK9kB,GAEf,OAAOogB,EAAIqD,IAAIrD,EAAIE,MAAM+B,KAAMvgB,I,EAG1BqP,YAAP,SAAoB8S,GACb7D,EAAIE,OACPF,EAAIC,OAGN,IAA8BpS,EAA1BmX,EAAQhF,EAAIiB,KAAK4C,GAIrB,OAHAhW,EAAS,IAAIhN,WAAWmf,EAAIoD,KAAKxiB,WAAaokB,EAAMpkB,aAC7C+S,IAAIqM,EAAIoD,MACfvV,EAAO8F,IAAIqR,EAAOhF,EAAIoD,KAAKxiB,YACpBiN,G,KCloBJ,SAASoX,EAAqBlsB,EAAOmsB,EAAmBC,EAAqBlkB,QAAgC,IAArDkkB,MAAkB,QAAmC,IAAhClkB,OAAiB,GACnG,IAAM4M,EAAS9U,EAAQmsB,EAAYC,EACnC,OAAOlkB,EAAQD,KAAKC,MAAM4M,GAAUA,EAG/B,SAASuX,EAAqBrsB,EAAekI,GAClD,YADkF,IAAhCA,OAAiB,GAC5DgkB,EAAoBlsB,EAAO,IAAM,EAZZ,IAYuCkI,GAG9D,SAASokB,EAA4BtsB,EAAeusB,GACzD,YADuF,IAA9BA,MAAmB,GACrEL,EAAoBlsB,EAhBC,IAgB6B,EAAIusB,GCF/D,ICSIC,EDTEC,EAAkCH,EAA2B,IAC7DI,EAAgCJ,EAA2B,IAkxBlDK,E,WA/wBb,WAAa9Y,EAAUC,EAAQsL,EAAewN,GAC5ChtB,KAAKiU,SAAWA,EAChBjU,KAAKkU,OAASA,EACdlU,KAAKwf,cAAgBA,EACrB,IAAM/I,EAAYC,UAAUD,UAC5BzW,KAAKitB,SAAWD,GAAUA,EAAO3jB,QAAQ,UAAY,GAAKoN,IAAcA,EAAUyW,MAAM,SACxFltB,KAAKmtB,aAAc,E,2BAGrBpZ,QAAA,a,EAGA8E,eAAA,SAAgBuU,GACdptB,KAAK+iB,SAAW/iB,KAAKgjB,SAAWoK,G,EAGlCjV,iBAAA,WACEnY,KAAKmtB,aAAc,G,EAGrB/T,MAAA,SAAO4H,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,GAM1E,GAJKlZ,KAAKmtB,aACRntB,KAAKqtB,WAAWrM,EAAY4B,EAAY5J,GAGtChZ,KAAKmtB,YAAa,CACpB,IAAMG,EAAiBtM,EAAWjJ,QAAQxR,OACpCgnB,EAAiB3K,EAAW7K,QAAQxR,OACtCinB,EAAkBxU,EAClByU,EAAkBzU,EACtB,GAAIsU,GAAkBC,EAAgB,CAKpC,IAAIG,GAAsB1M,EAAWjJ,QAAQ,GAAGV,IAAMuL,EAAW7K,QAAQ,GAAGV,KAAOuL,EAAWhK,eAC9F4U,GAAmBnlB,KAAKslB,IAAI,EAAGD,GAC/BD,GAAmBplB,KAAKslB,IAAI,GAAID,GAKlC,GAAIJ,EAAgB,CAEbtM,EAAW6J,YACdvoB,IAAOpB,KAAK,4CACZlB,KAAKqtB,WAAWrM,EAAY4B,EAAY5J,IAE1C,IAGM4U,EAHFpM,EAAYxhB,KAAK6tB,WAAW7M,EAAYwM,EAAiBvU,EAAYC,GAEzE,GAAIqU,EAEE/L,IACFoM,EAAmBpM,EAAUsM,OAAStM,EAAUuM,UAI7CnL,EAAWiI,YACdvoB,IAAOpB,KAAK,4CACZlB,KAAKqtB,WAAWrM,EAAY4B,EAAY5J,IAE1ChZ,KAAKguB,WAAWpL,EAAY6K,EAAiBxU,EAAY2U,EAAkB1U,QAI7E,GAAIqU,EAAgB,CAClB,IAAIU,EAAYjuB,KAAKguB,WAAWpL,EAAY6K,EAAiBxU,EAAY,EAAGC,GACxE+U,GAAajN,EAAWhK,OAC1BhX,KAAKkuB,gBAAgBlN,EAAYwM,EAAiBvU,EAAYgV,IAMlEhN,EAASlJ,QAAQxR,QACnBvG,KAAKmuB,SAASlN,EAAUjI,GAItB6J,EAAU9K,QAAQxR,QACpBvG,KAAKouB,UAAUvL,EAAW7J,GAI5BhZ,KAAKiU,SAASmB,QAAQC,IAAMnQ,c,EAG9BmoB,WAAA,SAAYrM,EAAY4B,EAAY5J,GAClC,IAQEqV,EAASC,EARPra,EAAWjU,KAAKiU,SAClBsa,EAAevN,EAAWjJ,QAC1ByW,EAAe5L,EAAW7K,QAC1ByH,EAAgBxf,KAAKwf,cACrBhH,EAAY,YACZ0S,EAAS,GACT7kB,EAAO,CAAE6kB,OAAQA,GACjBuD,OAAmC9f,IAAlB3O,KAAK+iB,SAoCxB,GAjCI0L,IACFJ,EAAUC,EAAUI,KAGlB1N,EAAW9M,QAAUqa,EAAahoB,SAKpCya,EAAW6J,UAAY7J,EAAW5K,WAClC9T,IAAOrB,IAAP,yBAAoC+f,EAAW5K,YAC1C4K,EAAWrI,QACV6G,EAAcgD,MAChBhK,EAAY,aACZwI,EAAWhK,MAAQ,IACVwI,EAAciD,MACvBzB,EAAWhK,MAAQ,QAGvBkU,EAAO7L,MAAQ,CACb7G,UAAWA,EACXxB,MAAOgK,EAAWhK,MAClBoB,aAAc4I,EAAWrI,OAAS6G,EAAcgD,KAAO,IAAIta,WAAemf,EAAIjP,YAAY,CAAC4I,IAC3F2N,SAAU,CACR5X,aAAciK,EAAWjK,eAGzB0X,IAEFJ,EAAUC,EAAUC,EAAa,GAAGlX,IAAM2J,EAAWpI,eAAiBI,IAItE4J,EAAWwB,KAAOxB,EAAWkD,KAAO0I,EAAajoB,OAAQ,CAG3D,IAAMqS,EAAiBgK,EAAWhK,eAClCgK,EAAWiI,UAAYjS,EACvBsS,EAAO9L,MAAQ,CACb5G,UAAW,YACXxB,MAAO4L,EAAW5L,MAClBoB,YAAaiP,EAAIjP,YAAY,CAACwK,IAC9B+L,SAAU,CACRxR,MAAOyF,EAAWzF,MAClBE,OAAQuF,EAAWvF,SAGnBoR,IACFJ,EAAUhmB,KAAK0S,IAAIsT,EAASG,EAAa,GAAGnX,IAAMuB,EAAiBI,GACnEsV,EAAUjmB,KAAK0S,IAAIuT,EAASE,EAAa,GAAG1W,IAAMc,EAAiBI,GACnEhZ,KAAKiU,SAASmB,QAAQC,IAAM7Q,eAAgB,CAAE6pB,QAASA,KAIvD9tB,OAAOquB,KAAK1D,GAAQ3kB,QACtB0N,EAASmB,QAAQC,IAAMvQ,0BAA2BuB,GAClDrG,KAAKmtB,aAAc,EACfsB,IACFzuB,KAAK+iB,SAAWsL,EAChBruB,KAAKgjB,SAAWsL,IAGlBra,EAASmB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAWyP,YAAaC,QAASzP,IAAamR,mBAAoBxB,OAAO,EAAOC,OAAQ,kC,EAIlIsY,WAAA,SAAY9X,EAAO8C,EAAYC,EAAY2U,EAAkB1U,GAC3D,IACI2V,EACA7G,EACAK,EACAyG,EACAC,EACAC,EACAC,EAPA3oB,EAAS,EAQP4oB,EAAYhZ,EAAM2U,UAClBsE,EAAejZ,EAAM6B,QACrBqX,EAAgB,GAChBpL,EAAYmL,EAAa5oB,OACzB8oB,EAAervB,KAAKsvB,cACpBjB,EAAUruB,KAAK+iB,SAGjBwM,EAAavvB,KAAKuvB,WAEhBtC,EAAWjtB,KAAKitB,SAEtB,GAAkB,IAAdjJ,EAAJ,CAKIiJ,IAMFhU,GAAekW,EAAa5oB,QAAUgpB,IACrBrW,GAAsB7Q,KAAK0e,IAAI/N,EAAauW,EAAaL,GAAa,IACvE7mB,KAAK0e,IAAKoI,EAAa,GAAG9X,IAAMkY,EAAalB,GAAYa,EAAY,IAIlFjW,IAEHsW,EAAavW,EAAakW,GAK5BC,EAAahtB,SAAQ,SAAU6V,GAC7BA,EAAOX,IAAMgY,EAAarX,EAAOX,IAAMgX,EAASkB,GAChDvX,EAAOF,IAAMuX,EAAarX,EAAOF,IAAMuW,EAASkB,MAIlDJ,EAAaK,MAAK,SAAUC,EAAG1K,GAC7B,IAAM2K,EAAWD,EAAE3X,IAAMiN,EAAEjN,IACrB6X,EAAWF,EAAEpY,IAAM0N,EAAE1N,IAC3B,OAAOqY,GAAaC,GAAaF,EAAEhX,GAAKsM,EAAEtM,MAI5C,IAAImX,EAAcT,EAAaU,QAAO,SAACje,EAAMke,GAAP,OAAgBznB,KAAKslB,IAAItlB,KAAK0S,IAAInJ,EAAMke,EAAKzY,IAAMyY,EAAKhY,MAAO,EAAIgV,KAAgC,GACzI,GAAI8C,EAAc,EAAG,CACnBttB,IAAOpB,KAAP,wDAAoEurB,EAAoBmD,GAAa,GAArG,8BACA,IAAK,IAAI3oB,EAAI,EAAGA,EAAIkoB,EAAa5oB,OAAQU,IACvCkoB,EAAaloB,GAAG6Q,KAAO8X,EAK3B,IAAI5X,EAASmX,EAAa,GAC1BJ,EAAW1mB,KAAKslB,IAAI3V,EAAOF,IAAK,GAChCgX,EAAWzmB,KAAKslB,IAAI3V,EAAOX,IAAK,GAGhC,IAAI0Y,EAAQhB,EAAWQ,EAEnBtW,GACE8W,IACEA,EAAQ,EACVztB,IAAOrB,IAAP,QAAmBwrB,EAAoBsD,GAAO,GAA9C,kDACSA,GAAS,GAClBztB,IAAOrB,IAAP,QAAmBwrB,GAAqBsD,GAAO,GAA/C,8CAIFhB,EAAWQ,EACXJ,EAAa,GAAGrX,IAAMiX,EAEtBD,EAAWzmB,KAAKslB,IAAImB,EAAWiB,EAAOR,GACtCJ,EAAa,GAAG9X,IAAMyX,EACtBxsB,IAAOrB,IAAP,4BAAuCwrB,EAAoBqC,GAAU,GAArE,IAA8ErC,EAAoBsC,GAAU,GAA5G,YAA6HtC,EAAoBsD,GAAO,GAAxJ,QAKJ/X,EAASmX,EAAaA,EAAa5oB,OAAS,GAC5C0oB,EAAU5mB,KAAKslB,IAAI3V,EAAOF,IAAK,GAC/BkX,EAAU3mB,KAAKslB,IAAI3V,EAAOX,IAAK,EAAG4X,GAK9BhC,IACF4B,EAAoBxmB,KAAKC,OAAO2mB,EAAUF,IAAaI,EAAa5oB,OAAS,KAI/E,IADA,IAAIypB,EAAS,EAAGC,EAAU,EACjBhpB,EAAI,EAAGA,EAAI+c,EAAW/c,IAAK,CAGlC,IADA,IAAI+Q,EAASmX,EAAaloB,GAAIiY,EAAQlH,EAAOkH,MAAOgR,EAAUhR,EAAM3Y,OAAQ4pB,EAAY,EAC/EvhB,EAAI,EAAGA,EAAIshB,EAASthB,IAC3BuhB,GAAajR,EAAMtQ,GAAGvI,KAAKE,OAG7B0pB,GAAWE,EACXH,GAAUE,EACVlY,EAAOzR,OAAS4pB,EAKdnY,EAAOF,IAFLmV,EAEW8B,EAAW9nB,EAAI4nB,EAGfxmB,KAAKslB,IAAI3V,EAAOF,IAAKiX,GAGpC/W,EAAOX,IAAMhP,KAAKslB,IAAI3V,EAAOX,IAAKW,EAAOF,KAK3C,IAAIsY,EAAWH,EAAW,EAAID,EAAU,EACxC,IACEhI,EAAO,IAAI9f,WAAWkoB,GACtB,MAAOpb,GAEP,YADAhV,KAAKiU,SAASmB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAWwqB,UAAW9a,QAASzP,IAAawqB,kBAAmB7a,OAAO,EAAO2P,MAAOgL,EAAU1a,OAAQ,8BAA8B0a,IAGjL,IAAIjgB,EAAO,IAAIC,SAAS4X,EAAKtf,QAC7ByH,EAAKogB,UAAU,EAAGH,GAClBpI,EAAKhN,IAAIqM,EAAIE,MAAMS,KAAM,GAEzB,IAAK,IAAI/gB,EAAI,EAAGA,EAAI+c,EAAW/c,IAAK,CAMlC,IALA,IAAIwZ,EAAY0O,EAAaloB,GAC3BupB,EAAiB/P,EAAUvB,MAC3BuR,EAAkB,EAClBC,OAAqB,EAEd9hB,EAAI,EAAGshB,EAAUM,EAAejqB,OAAQqI,EAAIshB,EAASthB,IAAK,CACjE,IAAIiJ,EAAO2Y,EAAe5hB,GACxB+hB,EAAW9Y,EAAKxR,KAChBuqB,EAAc/Y,EAAKxR,KAAK4B,WAC1BkI,EAAKogB,UAAUjqB,EAAQsqB,GACvBtqB,GAAU,EACV0hB,EAAKhN,IAAI2V,EAAUrqB,GACnBA,GAAUsqB,EACVH,GAAmB,EAAIG,EAGzB,GAAK3D,EAkCHyD,EAAwBroB,KAAKslB,IAAI,EAAGkB,EAAoBxmB,KAAKC,OAAOmY,EAAUpJ,IAAMoJ,EAAU3I,KAAO+W,QAlCxF,CAEb,GAAI5nB,EAAI+c,EAAY,EAClB6K,EAAoBM,EAAaloB,EAAI,GAAG6Q,IAAM2I,EAAU3I,QACnD,CACL,IAAI5D,EAASlU,KAAKkU,OAChB2c,EAAoBpQ,EAAU3I,IAAMqX,EAAaloB,EAAI,EAAIA,EAAI,EAAIA,GAAG6Q,IACtE,GAAI5D,EAAO4c,uBAAwB,CAMjC,IAAIC,EAAgB7c,EAAO6c,cACzBC,GAAe3oB,KAAKoW,MAAMsS,EAAgB7B,GAC1C+B,IAAmBrD,EAAmBkB,EAAWlB,EAAmBsB,EAAYlvB,KAAKkxB,cAAgBzQ,EAAUpJ,IAC7G4Z,GAAkBD,KAGpBnC,EAAoBoC,GAAkBJ,GACd,IACtBhC,EAAoBgC,GAGtBvuB,IAAOrB,IAAP,uBAAkCwrB,EAAoBwE,IAAiB,GAAvE,2CAAwHxE,EAAoBoC,GAAmB,GAA/J,kCAEAA,EAAoBgC,OAGtBhC,EAAoBgC,EAGxBH,EAAwBroB,KAAKC,MAAMmY,EAAUpJ,IAAMoJ,EAAU3I,KAM/DsX,EAAcxnB,KAAK,CACjBf,KAAM4pB,EAENnY,SAAUuW,EACV9C,IAAK2E,EACLtF,MAAO,CACLa,UAAW,EACXX,aAAc,EACdC,cAAe,EACfa,WAAY,EACZf,UAAW5K,EAAUpgB,IAAM,EAAI,EAC/B8rB,UAAW1L,EAAUpgB,IAAM,EAAI,KAKrCL,KAAKuvB,WAAaN,EAAUJ,EAC5B,IAAI5O,GAAU/J,EAAM+J,QAGpB,GAFA/J,EAAM8Z,OAAS,EACf9Z,EAAM+J,QAAU,EACZmP,EAAc7oB,QAAUmQ,UAAUD,UAAUE,cAActN,QAAQ,WAAa,EAAG,CACpF,IAAI+hB,GAAQgE,EAAc,GAAGhE,MAG7BA,GAAMC,UAAY,EAClBD,GAAMe,UAAY,EAEpBjW,EAAM6B,QAAUqX,EAChB/G,EAAOhB,EAAIgB,KAAKnS,EAAMwC,iBAAkBqW,EAAU7Y,GAClDA,EAAM6B,QAAU,GAEhB,IAAI1R,GAAO,CACT8qB,MAAO9I,EACP+I,MAAOpJ,EACP+F,SAAUe,EAAWI,EACrBpB,QAASkB,EAAUH,GAAqBK,EACxCmC,SAAUtC,EAAWG,EACrBoC,OAAQtxB,KAAKuvB,WAAaL,EAC1B3tB,KAAM,QACNgwB,UAAU,EACVC,UAAU,EACVC,GAAIrC,EAAc7oB,OAClB0Z,QAASA,IAGX,OADAjgB,KAAKiU,SAASmB,QAAQC,IAAMpQ,kBAAmBoB,IACxCA,K,EAGTwnB,WAAA,SAAY3X,EAAO8C,EAAYC,EAAYC,GACzC,IASIwY,EACAC,EACA3J,EACAK,EACAyG,EACAE,EAdEpW,EAAiB1C,EAAM0C,eACvBgZ,EAAe1b,EAAM2U,UACrBgH,EAAcjZ,EAAiBgZ,EAE/BE,GADoB5b,EAAMyC,MAAQ,KAAO,MACCkZ,EAC1CxC,EAAervB,KAAKsvB,cACpBjB,EAAUruB,KAAK+iB,SACfgP,GAAW7b,EAAMyC,OAAS3Y,KAAKwf,cAAcgD,KAQ/Clc,EAAUyrB,EAAU,EAAI,EACxB5C,EAAejZ,EAAM6B,QACrBqX,EAAgB,GAChB8B,EAAelxB,KAAKkxB,aA4BxB,GAlBAjY,GAAekW,EAAa5oB,QAAU2qB,IACrBhY,GAAsB7Q,KAAK0e,IAAI/N,EAAakY,EAAetY,GAAkB,IAC9EvQ,KAAK0e,IAAKoI,EAAa,GAAG9X,IAAM6Z,EAAe7C,GAAY,GAAKyD,GAIhF3C,EAAahtB,SAAQ,SAAU6V,GAC7BA,EAAOX,IAAMW,EAAOF,IAAMuX,EAAarX,EAAOX,IAAMgX,EAASrV,EAAaJ,MAWhD,KAL5BuW,EAAeA,EAAa6C,QAAO,SAAUha,GAC3C,OAAOA,EAAOX,KAAO,MAIN9Q,OAAjB,CAoBA,GAhBK0S,IAMDiY,EALGhY,EAKYF,EAAaJ,EAHbuW,EAAa,GAAG9X,KAa/BnB,EAAMyC,MAER,IADA,IAAMsZ,EAAsBjyB,KAAKkU,OAAO+d,oBAC/BhrB,EAAI,EAAGirB,EAAUhB,EAAcjqB,EAAIkoB,EAAa5oB,QAAS,CAEhE,IAA8BwpB,EAA1B/X,EAASmX,EAAaloB,GAK1B,IAHA8oB,EADU/X,EAAOX,IACH6a,KAGAD,EAAsBH,EAClCxvB,IAAOpB,KAAP,4BAAwCurB,EAAoByF,GAAS,GAArE,cAAwFzF,EAAoBsD,GAAO,GAAnH,gBACAZ,EAAatL,OAAO5c,EAAG,QAQpB,GAAI8oB,GAASkC,EAAsBH,GAAuB/B,EAAQlD,GAAmCqF,EAAS,CACjH,IAAIC,EAAU9pB,KAAKC,MAAMynB,EAAQ+B,GACjCxvB,IAAOpB,KAAP,aAAyBixB,EAAzB,mBAAmD1F,EAAoByF,GAAS,GAAhF,cAAmGzF,EAAoByF,GAAS,GAAhI,YACA,IAAK,IAAItjB,EAAI,EAAGA,EAAIujB,EAASvjB,IAAK,CAChC,IAAIwjB,EAAW/pB,KAAKslB,IAAIuE,EAAS,IACjCP,EAAY1K,EAAIC,eAAehR,EAAMU,eAAiBV,EAAMc,MAAOd,EAAMa,iBAEvEzU,IAAOrB,IAAI,qFACX0wB,EAAY3Z,EAAOH,KAAKjR,YAE1BuoB,EAAatL,OAAO5c,EAAG,EAAG,CAAE4Q,KAAM8Z,EAAWta,IAAK+a,EAAUta,IAAKsa,IACjEF,GAAWJ,EACX7qB,IAIF+Q,EAAOX,IAAMW,EAAOF,IAAMoa,EAC1BA,GAAWJ,EACX7qB,SAGIoB,KAAK0e,IAAIgJ,GAGb/X,EAAOX,IAAMW,EAAOF,IAAMoa,EAC1BA,GAAWJ,EACX7qB,IAQN,IAFA,IAAI+c,EAAYmL,EAAa5oB,OACzB6pB,EAAW,EACRpM,KACLoM,GAAYjB,EAAanL,GAAWnM,KAAK5P,WAG3C,IAAK,IAAI2G,EAAI,EAAGoV,EAAYmL,EAAa5oB,OAAQqI,EAAIoV,EAAWpV,IAAK,CACnE,IAAIyjB,EAAclD,EAAavgB,GAC3BiJ,EAAOwa,EAAYxa,KACnBR,EAAMgb,EAAYhb,IAKtB,QAAgB1I,IAAZqgB,EACF0C,EAAUpZ,SAAWjQ,KAAKC,OAAO+O,EAAM2X,GAAW6C,OAC7C,CACL,IAAI9B,EAAQ1Y,EAAM6Z,EACdoB,EAAmB,EAIvB,GAAIrZ,GAAc/C,EAAMyC,OAElBoX,EAAO,CACT,GAAIA,EAAQ,GAAKA,EAAQlD,EAGvByF,EAAmBjqB,KAAKC,OAAO+O,EAAM6Z,GAAgBY,GAErDxvB,IAAOrB,IAAOwrB,EAAoBsD,GAAO,GAAzC,oDACIuC,EAAmB,KACrBX,EAAY1K,EAAIC,eAAehR,EAAMU,eAAiBV,EAAMc,MAAOd,EAAMa,iBAEvE4a,EAAY9Z,EAAKjR,YAGnBwpB,GAAYkC,EAAmBX,EAAUprB,aAGtC,GAAIwpB,GAAS,GAAI,CAEtBztB,IAAOrB,IAAP,uDAAkEwrB,EAAoByE,GAAc,GAApG,SAAkHzE,EAAoBpV,GAAK,GAA3I,SAAyJoV,GAAqBsD,GAAO,GAArL,OACAK,GAAYvY,EAAK5P,WACjB,SAGFoP,EAAM6Z,EAKV,GADApC,EAAWzX,IACP+Y,EAAW,GAeb,OAdAA,GAAY9pB,EACZ,IACE0hB,EAAO,IAAI9f,WAAWkoB,GACtB,MAAOpb,GAEP,YADAhV,KAAKiU,SAASmB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAWwqB,UAAW9a,QAASzP,IAAawqB,kBAAmB7a,OAAO,EAAO2P,MAAOgL,EAAU1a,OAAQ,8BAA8B0a,IAG5K2B,IACU,IAAI3hB,SAAS4X,EAAKtf,QAC1B6nB,UAAU,EAAGH,GAClBpI,EAAKhN,IAAIqM,EAAIE,MAAMS,KAAM,IAM7B,IAAK,IAAI/gB,EAAI,EAAGA,EAAIqrB,EAAkBrrB,KACpC0qB,EAAY1K,EAAIC,eAAehR,EAAMU,eAAiBV,EAAMc,MAAOd,EAAMa,iBAEvEzU,IAAOrB,IAAI,qFACX0wB,EAAY9Z,EAAKjR,YAEnBohB,EAAKhN,IAAI2W,EAAWrrB,GACpBA,GAAUqrB,EAAU1pB,WACpBypB,EAAY,CACV7qB,KAAM8qB,EAAU1pB,WAChB8jB,IAAK,EACLzT,SAAU,KACV8S,MAAO,CACLa,UAAW,EACXX,aAAc,EACdC,cAAe,EACfa,WAAY,EACZf,UAAW,IAGf+D,EAAcxnB,KAAK8pB,GAGvB1J,EAAKhN,IAAInD,EAAMvR,GACf,IAAIisB,EAAU1a,EAAK5P,WACnB3B,GAAUisB,EAEVb,EAAY,CACV7qB,KAAM0rB,EACNxG,IAAK,EACLzT,SAAU,EACV8S,MAAO,CACLa,UAAW,EACXX,aAAc,EACdC,cAAe,EACfa,WAAY,EACZf,UAAW,IAGf+D,EAAcxnB,KAAK8pB,GACnB1C,EAAU3X,EAEZ,IAAImb,EAAqB,EAOzB,IANAxO,EAAYoL,EAAc7oB,SAET,IACfisB,EAAqBpD,EAAcpL,EAAY,GAAG1L,SAClDoZ,EAAUpZ,SAAWka,GAEnBxO,EAAW,CAEbhkB,KAAKkxB,aAAeA,EAAelC,EAAU6C,EAAcW,EAE3Dtc,EAAM6B,QAAUqX,EAEd/G,EADE0J,EACK,IAAI7pB,WAEJmf,EAAIgB,KAAKnS,EAAMwC,iBAAkBoW,EAAW+C,EAAa3b,GAGlEA,EAAM6B,QAAU,GAChB,IAAM4I,EAAQmO,EAAWlW,EACnBnR,EAAMypB,EAAetY,EACrB4I,EAAY,CAChB2P,MAAO9I,EACP+I,MAAOpJ,EACP+F,SAAUpN,EACVmN,OAAQrmB,EACR4pB,SAAU1Q,EACV2Q,OAAQ7pB,EACRlG,KAAM,QACNgwB,UAAU,EACVC,UAAU,EACVC,GAAIzN,GAGN,OADAhkB,KAAKiU,SAASmB,QAAQC,IAAMpQ,kBAAmBuc,GACxCA,EAET,OAAO,O,EAGT0M,gBAAA,SAAiBhY,EAAO8C,EAAYC,EAAYgV,GAC9C,IAAIrV,EAAiB1C,EAAM0C,eAEvBiZ,EAAcjZ,GADC1C,EAAME,WAAaF,EAAME,WAAawC,GAErDsY,EAAelxB,KAAKkxB,aAGpBG,QAA6B1iB,IAAjBuiB,EAA6BA,EAAejD,EAAUoD,SAAWzY,GAAkB5Y,KAAKgjB,SACpGsO,EAASrD,EAAUqD,OAAS1Y,EAAiB5Y,KAAKgjB,SAGlDxL,EADiB,KACDqa,EAGhB7N,EAAY3b,KAAK+U,MAAMkU,EAASD,GAAY7Z,GAG5Cib,EAAcxL,EAAIC,eAAehR,EAAMU,eAAiBV,EAAMc,MAAOd,EAAMa,cAI/E,GAFAzU,IAAOpB,KAAK,qBAEPuxB,EAAL,CAMA,IADA,IAAI1a,EAAU,GACL9Q,EAAI,EAAGA,EAAI+c,EAAW/c,IAAK,CAClC,IAAIyQ,EAAQ2Z,EAAWpqB,EAAIuQ,EAC3BO,EAAQnQ,KAAK,CAAEiQ,KAAM4a,EAAapb,IAAKK,EAAOI,IAAKJ,IAErDxB,EAAM6B,QAAUA,EAEhB/X,KAAK6tB,WAAW3X,EAAO8C,EAAYC,QAXjC3W,IAAOvB,MAAM,gG,EAcjBotB,SAAA,SAAUjY,GACR,IAAmC8B,EAA/BzR,EAAS2P,EAAM6B,QAAQxR,OACrBqS,EAAiB1C,EAAM0C,eACvByV,EAAUruB,KAAK+iB,SACfuL,EAAUtuB,KAAKgjB,SAErB,GAAIzc,EAAQ,CACV,IAAK,IAAIoC,EAAQ,EAAGA,EAAQpC,EAAQoC,KAClCqP,EAAS9B,EAAM6B,QAAQpP,IAGhB0O,KAAQW,EAAOX,IAAMgX,GAAWzV,EACvCZ,EAAOF,KAAQE,EAAOF,IAAMwW,GAAW1V,EAEzC5Y,KAAKiU,SAASmB,QAAQC,IAAMrQ,sBAAuB,CACjD+S,QAAS7B,EAAM6B,UAInB7B,EAAM6B,QAAU,I,EAGlBqW,UAAA,SAAWlY,GACTA,EAAM6B,QAAQyX,MAAK,SAAUC,EAAG1K,GAC9B,OAAQ0K,EAAEpY,IAAM0N,EAAE1N,OAGpB,IAAmCW,EAA/BzR,EAAS2P,EAAM6B,QAAQxR,OACrBqS,EAAiB1C,EAAM0C,eACvByV,EAAUruB,KAAK+iB,SAErB,GAAIxc,EAAQ,CACV,IAAK,IAAIoC,EAAQ,EAAGA,EAAQpC,EAAQoC,KAClCqP,EAAS9B,EAAM6B,QAAQpP,IAGhB0O,KAAQW,EAAOX,IAAMgX,GAAWzV,EAEzC5Y,KAAKiU,SAASmB,QAAQC,IAAMtQ,sBAAuB,CACjDgT,QAAS7B,EAAM6B,UAInB7B,EAAM6B,QAAU,I,EAGlBuX,cAAA,SAAelvB,EAAOsyB,GACpB,IAAIpsB,EACJ,QAAkBqI,IAAd+jB,EACF,OAAOtyB,EAaT,IAREkG,EAFEosB,EAAYtyB,GAEJ,WAGD,WAKJiI,KAAK0e,IAAI3mB,EAAQsyB,GAAa,YACnCtyB,GAASkG,EAGX,OAAOlG,G,KEhvBIuyB,E,WAvCb,WAAa1e,GACXjU,KAAKiU,SAAWA,E,2BAGlBF,QAAA,a,EAGA8E,eAAA,a,EAGAV,iBAAA,a,EAGAiB,MAAA,SAAO4H,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,EAAoB0Z,GAC9F,IAAI3e,EAAWjU,KAAKiU,SAChB4e,EAAa,GACb7R,IACF6R,GAAc,SAGZjQ,IACFiQ,GAAc,SAGhB5e,EAASmB,QAAQC,IAAMpQ,kBAAmB,CACxCksB,MAAOyB,EACP7E,SAAU/U,EACVqY,SAAUrY,EACVzX,KAAMsxB,EACNtB,WAAYvQ,EACZwQ,WAAY5O,EACZ6O,GAAI,EACJxR,QAAS,IAGXhM,EAASmB,QAAQC,IAAMnQ,c,KDpBrBzD,EAASC,cAIf,IACEkrB,EAAMnrB,EAAOqxB,YAAYlG,IAAItsB,KAAKmB,EAAOqxB,aACzC,MAAO9d,GACP1S,IAAOtB,MAAM,qDACb4rB,EAAMnrB,EAAOsxB,KAAKnG,I,IAGdoG,E,WACJ,WAAa/e,EAAUuL,EAAetL,EAAQ8Y,GAC5ChtB,KAAKiU,SAAWA,EAChBjU,KAAKwf,cAAgBA,EACrBxf,KAAKkU,OAASA,EACdlU,KAAKgtB,OAASA,E,2BAGhBjZ,QAAA,WACE,IAAIkf,EAAUjzB,KAAKizB,QACfA,GACFA,EAAQlf,W,EAIZnM,KAAA,SAAMvB,EAAMmX,EAAapF,EAAajC,EAAYkC,EAAYW,EAAYka,EAAeC,EAAala,EAAYX,EAAUY,EAAoBka,GAAgB,WAC9J,GAAK/sB,EAAK4B,WAAa,GAAsB,MAAfuV,GAA4C,MAAnBA,EAAYnd,KAAwC,YAAvBmd,EAAYmC,OAAuB,CACrH,IAAIjC,EAAY1d,KAAK0d,UACJ,MAAbA,IACFA,EAAY1d,KAAK0d,UAAY,IAAI1J,EAAUhU,KAAKiU,SAAUjU,KAAKkU,SAGjE,IAAMmf,EAAYzG,IAClBlP,EAAUrO,QAAQhJ,EAAMmX,EAAYnd,IAAIqI,OAAQ8U,EAAYrO,GAAGzG,QAAQ,SAAC0V,GACtE,IAAMkV,EAAU1G,IAChB,EAAK3Y,SAASmB,QAAQC,IAAMxQ,eAAgB,CAAE0uB,MAAO,CAAEC,OAAQH,EAAWI,SAAUH,KACpF,EAAKI,cAAc,IAAIxrB,WAAWkW,GAAgBZ,EAAa,IAAItV,WAAWkQ,GAAcjC,EAAYkC,EAAYW,EAAYka,EAAeC,EAAala,EAAYX,EAAUY,EAAoBka,WAGxMpzB,KAAK0zB,cAAc,IAAIxrB,WAAW7B,GAAOmX,EAAa,IAAItV,WAAWkQ,GAAcjC,EAAYkC,EAAYW,EAAYka,EAAeC,EAAala,EAAYX,EAAUY,EAAoBka,I,EAIjMM,cAAA,SAAertB,EAAMmX,EAAapF,EAAajC,EAAYkC,EAAYW,EAAYka,EAAeC,EAAala,EAAYX,EAAUY,EAAoBka,GACvJ,IAAIH,EAAUjzB,KAAKizB,QACnB,IAAKA,IAIDC,GAAiBC,KAAiBnzB,KAAK8V,MAAMzP,GAAQ,CAavD,IAZA,IAAM4N,EAAWjU,KAAKiU,SAChBuL,EAAgBxf,KAAKwf,cACrBtL,EAASlU,KAAKkU,OAEdyf,EAAY,CAChB,CAAEC,MAAOrU,EAAWnG,MAAO2T,GAC3B,CAAE6G,MAAOC,IAAYza,MAAOuZ,GAC5B,CAAEiB,MAAO3b,EAAYmB,MAAO2T,GAC5B,CAAE6G,MAAO5M,EAAY5N,MAAO2T,IAIrB9lB,EAAI,EAAG0C,EAAMgqB,EAAUptB,OAAQU,EAAI0C,EAAK1C,IAAK,CACpD,IAAM6sB,EAAMH,EAAU1sB,GAChB6O,EAAQge,EAAIF,MAAM9d,MACxB,GAAIA,EAAMzP,GAAO,CACf,IAAM6R,EAAUlY,KAAKkY,QAAU,IAAI4b,EAAI1a,MAAMnF,EAAUC,EAAQsL,EAAexf,KAAKgtB,QACnFiG,EAAU,IAAIa,EAAIF,MAAM3f,EAAUiE,EAAShE,EAAQsL,GACnDxf,KAAK8V,MAAQA,EACb,OAGJ,IAAKmd,EAEH,YADAhf,EAASmB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAWyP,YAAaC,QAASzP,IAAamR,mBAAoBxB,OAAO,EAAMC,OAAQ,yCAG/H1V,KAAKizB,QAAUA,EAEjB,IAAM/a,EAAUlY,KAAKkY,SAEjBgb,GAAiBC,KACnBF,EAAQ9a,iBAAiBC,EAAajC,EAAYkC,EAAYC,GAC9DJ,EAAQC,oBAEN+a,IACFD,EAAQpa,eAAeua,GACvBlb,EAAQW,eAAeua,IAEa,mBAA3BH,EAAQvT,gBACjBuT,EAAQvT,eAAelC,GAGzByV,EAAQla,OAAO1S,EAAM2S,EAAYC,EAAYC,I,KAIlC8Z,O,6BEtHf,kBAMM7L,EAAa9e,KAAK+e,IAAI,EAAG,IAAM,EAE/ByM,E,WACJ,WAAa5f,EAAUiE,GACrBlY,KAAKiU,SAAWA,EAChBjU,KAAKkY,QAAUA,E,2BAGjBW,eAAA,SAAgBwV,GACdruB,KAAKquB,QAAUA,G,EAGjBlW,iBAAA,SAAkBC,EAAajC,EAAYkC,EAAYC,GAErD,GAAIF,GAAeA,EAAYnQ,WAAY,CACzC,IAAM8rB,EAAW/zB,KAAK+zB,SAAWF,EAAWG,iBAAiB5b,GAI3C,MAAdjC,IACFA,EAAa,aAGG,MAAdkC,IACFA,EAAa,eAGf,IAAM6S,EAAS,GACX6I,EAAS1U,OAAS0U,EAAS3U,MAC7B8L,EAAO+I,WAAa,CAAEzb,UAAW,YAAaxB,MAAOb,EAAa,IAAMkC,EAAYD,YAAaE,EAAWF,EAAc,OAEtH2b,EAAS1U,QACX6L,EAAO7L,MAAQ,CAAE7G,UAAW,YAAaxB,MAAOb,EAAYiC,YAAaE,EAAWF,EAAc,OAGhG2b,EAAS3U,QACX8L,EAAO9L,MAAQ,CAAE5G,UAAW,YAAaxB,MAAOqB,EAAYD,YAAaE,EAAWF,EAAc,QAGtGpY,KAAKiU,SAASmB,QAAQC,IAAMvQ,0BAA2B,CAAEomB,gBAErD/U,IACFnW,KAAKmW,WAAaA,GAGhBkC,IACFrY,KAAKqY,WAAaA,I,EAKjBvC,MAAP,SAAczP,GAEZ,OAAOwtB,EAAWK,QAAQ,CAAE7tB,KAAMA,EAAMsa,MAAO,EAAGlZ,IAAKY,KAAK0S,IAAI1U,EAAKE,OAAQ,QAAU,CAAC,SAASA,OAAS,G,EAGrG4tB,QAAP,SAAgBzrB,GACd,OAAOpB,OAAOC,aAAaxF,MAAM,KAAM2G,I,EAGlC0rB,WAAP,SAAmB1rB,EAAQpC,GACrBoC,EAAOrC,OACTC,GAAUoC,EAAOiY,MACjBjY,EAASA,EAAOrC,MAGlB,IAAMguB,EAAM3rB,EAAOpC,IAAW,EAClBoC,EAAOpC,EAAS,GAE5B,OAAO+tB,EAAM,EAAI,MAAQA,EAAMA,G,EAG1BC,WAAP,SAAmB5rB,EAAQpC,GACrBoC,EAAOrC,OACTC,GAAUoC,EAAOiY,MACjBjY,EAASA,EAAOrC,MAGlB,IAAMguB,EAAM3rB,EAAOpC,IAAW,GAClBoC,EAAOpC,EAAS,IAAM,GACtBoC,EAAOpC,EAAS,IAAM,EACtBoC,EAAOpC,EAAS,GAC5B,OAAO+tB,EAAM,EAAI,WAAaA,EAAMA,G,EAG/BE,YAAP,SAAoB7rB,EAAQpC,EAAQlG,GAC9BsI,EAAOrC,OACTC,GAAUoC,EAAOiY,MACjBjY,EAASA,EAAOrC,MAElBqC,EAAOpC,GAAUlG,GAAS,GAC1BsI,EAAOpC,EAAS,GAAMlG,GAAS,GAAM,IACrCsI,EAAOpC,EAAS,GAAMlG,GAAS,EAAK,IACpCsI,EAAOpC,EAAS,GAAa,IAARlG,G,EAIhB8zB,QAAP,SAAgB7tB,EAAM0E,GACpB,IACE9D,EAAGJ,EAAYY,EAAK+sB,EAAY7T,EAAO8T,EADrCC,EAAU,GAYd,GATIruB,EAAKA,MACPsa,EAAQta,EAAKsa,MACblZ,EAAMpB,EAAKoB,IACXpB,EAAOA,EAAKA,OAEZsa,EAAQ,EACRlZ,EAAMpB,EAAK4B,aAGR8C,EAAKxE,OAER,OAAO,KAGT,IAAKU,EAAI0Z,EAAO1Z,EAAIQ,GAGlBgtB,GAFA5tB,EAAOgtB,EAAWS,WAAWjuB,EAAMY,IAEnB,EAAIA,EAAIJ,EAAOY,EADxBosB,EAAWM,QAAQ9tB,EAAKO,SAASK,EAAI,EAAGA,EAAI,MAGtC8D,EAAK,KACI,IAAhBA,EAAKxE,OAGPmuB,EAAQ9sB,KAAK,CAAEvB,KAAMA,EAAMsa,MAAO1Z,EAAI,EAAGQ,IAAKgtB,KAG9CD,EAAaX,EAAWK,QAAQ,CAAE7tB,KAAMA,EAAMsa,MAAO1Z,EAAI,EAAGQ,IAAKgtB,GAAU1pB,EAAK2C,MAAM,KACvEnH,SACbmuB,EAAUA,EAAQ9mB,OAAO4mB,KAI/BvtB,EAAIwtB,EAIN,OAAOC,G,EAGFC,kBAAP,SAA0Bvc,GACxB,IAKIwc,EALEtM,EAAOuL,EAAWK,QAAQ9b,EAAa,CAAC,SAAS,GACjDyc,EAAgBvM,EAAOA,EAAK7gB,IAAM,KAEpCkB,EAAQ,EACRmsB,EAAOjB,EAAWK,QAAQ9b,EAAa,CAAC,SAG5C,IAAK0c,IAASA,EAAK,GACjB,OAAO,KAGTF,EAAa,GAGb,IAAMG,GAFND,EAAOA,EAAK,IAESzuB,KAAK,GAG1BsC,EAAoB,IAAZosB,EAAgB,EAAI,GAE5B,IAAMlK,EAAYgJ,EAAWS,WAAWQ,EAAMnsB,GAC9CA,GAAS,EAQPA,GADc,IAAZosB,EACO,EAEA,GAIXpsB,GAAS,EAET,IAAIqsB,EAAYF,EAAKrtB,IAXH,EAaZwtB,EAAkBpB,EAAWO,WAAWU,EAAMnsB,GACpDA,GAAS,EAET,IAAK,IAAI1B,EAAI,EAAGA,EAAIguB,EAAiBhuB,IAAK,CACxC,IAAIiuB,EAAiBvsB,EAEfwsB,EAAgBtB,EAAWS,WAAWQ,EAAMI,GAClDA,GAAkB,EAElB,IAAME,EAAgC,WAAhBD,EAGtB,GAAsB,KAFiB,WAAhBA,KAAgC,GAIrD,YADAtzB,QAAQX,KAAK,oDAIf,IAAMm0B,EAAqBxB,EAAWS,WAAWQ,EAAMI,GACvDA,GAAkB,EAElBN,EAAWhtB,KAAK,CACdwtB,gBACAC,qBACAl0B,KAAM,CACJmX,SAAU+c,EAAqBxK,EAC/BlK,MAAOqU,EACPvtB,IAAKutB,EAAYI,EAAgB,KAIrCJ,GAAaI,EAObzsB,EAHAusB,GAAkB,EAMpB,MAAO,CACLI,yBAvD6B,EAwD7BzK,YACAkK,UACAE,kBACAL,aACAC,kB,EAuBGb,iBAAP,SAAyB5b,GACvB,IAAIlD,EAAS,GAmCb,OAlCY2e,EAAWK,QAAQ9b,EAAa,CAAC,OAAQ,SAE/CjW,SAAQ,SAAAknB,GACZ,IAAMG,EAAOqK,EAAWK,QAAQ7K,EAAM,CAAC,SAAS,GAChD,GAAIG,EAAM,CACR,IAAIuL,EAAUvL,EAAKnjB,KAAKmjB,EAAK7I,OACzBhY,EAAoB,IAAZosB,EAAgB,GAAK,GAC7BQ,EAAU1B,EAAWS,WAAW9K,EAAM7gB,GAEpCsf,EAAO4L,EAAWK,QAAQ7K,EAAM,CAAC,OAAQ,SAAS,GACxD,GAAIpB,EAAM,CAERtf,EAAoB,KADpBosB,EAAU9M,EAAK5hB,KAAK4hB,EAAKtH,QACD,GAAK,GAC7B,IAAMkK,EAAYgJ,EAAWS,WAAWrM,EAAMtf,GAExCof,EAAO8L,EAAWK,QAAQ7K,EAAM,CAAC,OAAQ,SAAS,GACxD,GAAItB,EAAM,CACR,IACIxmB,EAAO,CAAE,KAAQ,QAAS,KAAQ,SADrBsyB,EAAWM,QAAQpM,EAAK1hB,KAAKO,SAASmhB,EAAKpH,MAAQ,EAAGoH,EAAKpH,MAAQ,MAEpF,GAAIpf,EAAM,CAER,IAAIi0B,EAAW3B,EAAWK,QAAQ7K,EAAM,CAAC,OAAQ,OAAQ,OAAQ,SACjE,GAAImM,EAASjvB,OAAQ,CACnBivB,EAAWA,EAAS,GACpB,IAAIC,EAAY5B,EAAWM,QAAQqB,EAASnvB,KAAKO,SAAS4uB,EAAS7U,MAAQ,GAAI6U,EAAS7U,MAAQ,KAChGre,IAAOrB,IAAP,cAAyBM,EAAzB,IAAiCk0B,EAAjC,UAEFvgB,EAAOqgB,GAAW,CAAE1K,UAAWA,EAAWtpB,KAAMA,GAChD2T,EAAO3T,GAAQ,CAAEspB,UAAWA,EAAWpS,GAAI8c,UAM9CrgB,G,EAmBFwgB,YAAP,SAAoB3B,EAAUpoB,GAC5B,IAAIgqB,EAAOC,EAAW1gB,EAmCtB,OAhCAygB,EAAQ9B,EAAWK,QAAQvoB,EAAU,CAAC,OAAQ,SAG9CiqB,EAAY,GAAGhoB,OAAO7L,MAAM,GAAI4zB,EAAME,KAAI,SAAUzM,GAClD,OAAOyK,EAAWK,QAAQ9K,EAAM,CAAC,SAASyM,KAAI,SAAU1M,GACtD,IAAI1Q,EAAIqd,EAqBR,OAlBArd,EAAKob,EAAWS,WAAWnL,EAAM,GAEjC2M,EAAQ/B,EAAStb,GAAIoS,WAAa,IAGvBgJ,EAAWK,QAAQ9K,EAAM,CAAC,SAASyM,KAAI,SAAU3M,GAC1D,IAAI6L,EAAS7f,EASb,OAPA6f,EAAU7L,EAAK7iB,KAAK6iB,EAAKvI,OACzBzL,EAAS2e,EAAWS,WAAWpL,EAAM,GACrB,IAAZ6L,IACF7f,GAAU7M,KAAK+e,IAAI,EAAG,IAEtBlS,GAAU2e,EAAWS,WAAWpL,EAAM,IAEjChU,KACN,GAEe4gB,SAKtB5gB,EAAS7M,KAAK0S,IAAIhZ,MAAM,KAAM6zB,GACvB3vB,SAASiP,GAAUA,EAAS,G,EAG9B6gB,eAAP,SAAuBhC,EAAUpoB,EAAUqN,GACzC6a,EAAWK,QAAQvoB,EAAU,CAAC,OAAQ,SAASkqB,KAAI,SAAUzM,GAC3D,OAAOyK,EAAWK,QAAQ9K,EAAM,CAAC,SAASyM,KAAI,SAAU1M,GAEtD,IAAI1Q,EAAKob,EAAWS,WAAWnL,EAAM,GAEjC0B,EAAYkJ,EAAStb,GAAIoS,WAAa,IAG1CgJ,EAAWK,QAAQ9K,EAAM,CAAC,SAASyM,KAAI,SAAU3M,GAC/C,IAAI6L,EAAU7L,EAAK7iB,KAAK6iB,EAAKvI,OACzBsK,EAAsB4I,EAAWS,WAAWpL,EAAM,GACtD,GAAgB,IAAZ6L,EACFlB,EAAWU,YAAYrL,EAAM,EAAG+B,EAAsBjS,EAAa6R,OAC9D,CACLI,GAAuB5iB,KAAK+e,IAAI,EAAG,IACnC6D,GAAuB4I,EAAWS,WAAWpL,EAAM,GACnD+B,GAAuBjS,EAAa6R,EACpCI,EAAsB5iB,KAAKslB,IAAI1C,EAAqB,GACpD,IAAM+K,EAAQ3tB,KAAKoW,MAAMwM,GAAuB9D,EAAa,IACvD8O,EAAQ5tB,KAAKoW,MAAMwM,GAAuB9D,EAAa,IAC7D0M,EAAWU,YAAYrL,EAAM,EAAG8M,GAChCnC,EAAWU,YAAYrL,EAAM,EAAG+M,c,EAQ1Cld,OAAA,SAAQ1S,EAAM2S,EAAYC,EAAYC,GACpC,IAAI6a,EAAW/zB,KAAK+zB,SACfA,IACH/zB,KAAKmY,iBAAiB9R,EAAMrG,KAAKmW,WAAYnW,KAAKqY,YAAY,GAC9D0b,EAAW/zB,KAAK+zB,UAElB,IAAI1C,EAAUhD,EAAUruB,KAAKquB,QAC7B,QAAgB1f,IAAZ0f,EAAuB,CACzB,IAAIgD,EAAWwC,EAAW6B,YAAY3B,EAAU1tB,GAChDrG,KAAKquB,QAAUA,EAAUgD,EAAWrY,EACpChZ,KAAKiU,SAASmB,QAAQC,IAAM7Q,eAAgB,CAAE6pB,QAASA,IAEzDwF,EAAWkC,eAAehC,EAAU1tB,EAAMgoB,GAC1CgD,EAAWwC,EAAW6B,YAAY3B,EAAU1tB,GAC5CrG,KAAKkY,QAAQkB,MAAM2a,EAAS1U,MAAO0U,EAAS3U,MAAO,KAAM,KAAMiS,EAAUpY,EAAYC,EAAoB7S,I,EAG3G0N,QAAA,a,KAGa8f,O,gBC9Yf,SAASqC,EAAsBC,GAErB,IAAIC,EAAmB,GAGvB,SAASC,EAAoBC,GAG3B,GAAGF,EAAiBE,GAClB,OAAOF,EAAiBE,GAAU12B,QAGpC,IAAIC,EAASu2B,EAAiBE,GAAY,CACxCrvB,EAAGqvB,EACHvoB,GAAG,EACHnO,QAAS,IAUX,OANAu2B,EAAQG,GAAU51B,KAAKb,EAAOD,QAASC,EAAQA,EAAOD,QAASy2B,GAG/Dx2B,EAAOkO,GAAI,EAGJlO,EAAOD,QAIhBy2B,EAAoBE,EAAIJ,EAGxBE,EAAoB7sB,EAAI4sB,EAGxBC,EAAoBpvB,EAAI,SAAS7G,GAAS,OAAOA,GAGjDi2B,EAAoBtlB,EAAI,SAASnR,EAAS4N,EAAMrN,GAC1Ck2B,EAAoBG,EAAE52B,EAAS4N,IACjCjN,OAAOk2B,eAAe72B,EAAS4N,EAAM,CACnCkpB,cAAc,EACdz2B,YAAY,EACZC,IAAKC,KAMXk2B,EAAoBM,EAAI,SAAS/2B,GAC/BW,OAAOk2B,eAAe72B,EAAS,aAAc,CAAEQ,OAAO,KAIxDi2B,EAAoBO,EAAI,SAAS/2B,GAC/B,IAAIM,EAASN,GAAUA,EAAOg3B,WAC5B,WAAwB,OAAOh3B,EAAgB,SAC/C,WAA8B,OAAOA,GAEvC,OADAw2B,EAAoBtlB,EAAE5Q,EAAQ,IAAKA,GAC5BA,GAITk2B,EAAoBG,EAAI,SAAS71B,EAAQC,GAAY,OAAOL,OAAOC,UAAUC,eAAeC,KAAKC,EAAQC,IAGzGy1B,EAAoBS,EAAI,IAGxBT,EAAoBU,GAAK,SAAS/hB,GAA2B,MAApBnT,QAAQT,MAAM4T,GAAYA,GAE3E,IAAIgiB,EAAIX,EAAoBA,EAAoBY,EAAIC,cACpD,OAAOF,EAAEG,SAAWH,EAGtB,IACII,EAAmB,6DAGvB,SAASC,EAAaC,GACpB,OAAQA,EAAM,IAAI/tB,QAAQ,uBAAwB,QAOpD,SAASguB,EAAuBC,EAAS33B,EAAQ43B,GAC/C,IAAIC,EAAS,GACbA,EAAOD,GAAa,GAEpB,IAAIE,EAAW93B,EAAOylB,WAClBsS,EAAmBD,EAASzK,MAAM,0CACtC,IAAK0K,EAAkB,OAAOF,EAM9B,IALA,IAIIxK,EAJA2K,EAAqBD,EAAiB,GAGtCE,EAAK,IAAIC,OAAO,cAAgBV,EAAYQ,GAAsBT,EAAkB,KAEhFlK,EAAQ4K,EAAGvsB,KAAKosB,IACL,kBAAbzK,EAAM,IACVwK,EAAOD,GAAW7vB,KAAKslB,EAAM,IAK/B,IADA4K,EAAK,IAAIC,OAAO,MAAQV,EAAYQ,GAAsB,wDAA4DT,EAAkB,KAChIlK,EAAQ4K,EAAGvsB,KAAKosB,IACjBH,EAAQtK,EAAM,MACjBwK,EAAOD,GAAW7vB,KAAKslB,EAAM,IAC7BsK,EAAQtK,EAAM,IAAMmJ,EAAoBnJ,EAAM,IAAIqJ,GAEpDmB,EAAOxK,EAAM,IAAMwK,EAAOxK,EAAM,KAAO,GACvCwK,EAAOxK,EAAM,IAAItlB,KAAKslB,EAAM,IAK9B,IADA,IAjCiB0J,EAiCbhI,EAAOruB,OAAOquB,KAAK8I,GACdzwB,EAAI,EAAGA,EAAI2nB,EAAKroB,OAAQU,IAC/B,IAAK,IAAI2H,EAAI,EAAGA,EAAI8oB,EAAO9I,EAAK3nB,IAAIV,OAAQqI,IAnC7BgoB,EAoCCc,EAAO9I,EAAK3nB,IAAI2H,GAnC1BqV,MAAM,EAAI2S,KAoCZc,EAAO9I,EAAK3nB,IAAI2H,GAAK,EAAI8oB,EAAO9I,EAAK3nB,IAAI2H,IAK/C,OAAO8oB,EAGT,SAASM,EAAmBC,GAE1B,OADW13B,OAAOquB,KAAKqJ,GACXpI,QAAO,SAAUqI,EAAW73B,GACtC,OAAO63B,GAAaD,EAAO53B,GAAKkG,OAAS,KACxC,GAqCL1G,EAAOD,QAAU,SAAU02B,EAAU6B,GACnCA,EAAUA,GAAW,GACrB,IAAIX,EAAU,CACZY,KAAM,KAGJC,EAAkBF,EAAQG,IAAM,CAAEF,KAAM73B,OAAOquB,KAAK4I,EAAQY,OAxClE,SAA6BZ,EAASlB,GAWpC,IAVA,IAAIiC,EAAe,CACjBH,KAAM,CAAC9B,IAEL+B,EAAkB,CACpBD,KAAM,IAEJI,EAAc,CAChBJ,KAAM,IAGDJ,EAAkBO,IAEvB,IADA,IAAIN,EAAS13B,OAAOquB,KAAK2J,GAChBtxB,EAAI,EAAGA,EAAIgxB,EAAO1xB,OAAQU,IAAK,CACtC,IAAIwwB,EAAYQ,EAAOhxB,GAEnBwxB,EADQF,EAAad,GACCiB,MAE1B,GADAF,EAAYf,GAAae,EAAYf,IAAc,IAC/Ce,EAAYf,GAAWgB,IAAmBjB,EAAQC,GAAWgB,GAAjE,CACAD,EAAYf,GAAWgB,IAAiB,EACxCJ,EAAgBZ,GAAaY,EAAgBZ,IAAc,GAC3DY,EAAgBZ,GAAW7vB,KAAK6wB,GAGhC,IAFA,IAAIE,EAAapB,EAAsBC,EAASA,EAAQC,GAAWgB,GAAgBhB,GAC/EmB,EAAiBr4B,OAAOquB,KAAK+J,GACxB/pB,EAAI,EAAGA,EAAIgqB,EAAeryB,OAAQqI,IACzC2pB,EAAaK,EAAehqB,IAAM2pB,EAAaK,EAAehqB,KAAO,GACrE2pB,EAAaK,EAAehqB,IAAM2pB,EAAaK,EAAehqB,IAAIhB,OAAO+qB,EAAWC,EAAehqB,MAKzG,OAAOypB,EASmEQ,CAAmBrB,EAASlB,GAElGwC,EAAM,GAEVv4B,OAAOquB,KAAKyJ,GAAiBrG,QAAO,SAAUuE,GAAK,MAAa,SAANA,KAAgBp0B,SAAQ,SAAUtC,GAE1F,IADA,IAAIk5B,EAAc,EACXV,EAAgBx4B,GAAQk5B,IAC7BA,IAEFV,EAAgBx4B,GAAQ+H,KAAKmxB,GAC7BvB,EAAQ33B,GAAQk5B,GAAe,6FAC/BD,EAAMA,EAAM,OAASj5B,EAAS,OAASq2B,EAAqB5Q,WAAW/b,QAAQ,eAAgByvB,KAAKC,UAAUF,IAAgB,MAAQV,EAAgBx4B,GAAQg2B,KAAI,SAAUpd,GAAM,OAAYugB,KAAKC,UAAUxgB,GAAM,KAAO+e,EAAQ33B,GAAQ4Y,GAAI6M,cAAcpZ,KAAK,KAAO,WAG1Q4sB,EAAMA,EAAM,SAAW5C,EAAqB5Q,WAAW/b,QAAQ,eAAgByvB,KAAKC,UAAU3C,IAAa,MAAQ+B,EAAgBD,KAAKvC,KAAI,SAAUpd,GAAM,OAAYugB,KAAKC,UAAUxgB,GAAM,KAAO+e,EAAQY,KAAK3f,GAAI6M,cAAcpZ,KAAK,KAAO,aAE/O,IAAIgtB,EAAO,IAAInvB,OAAOovB,KAAK,CAACL,GAAM,CAAEv3B,KAAM,oBAC1C,GAAI42B,EAAQiB,KAAQ,OAAOF,EAE3B,IAEIG,GAFMtvB,OAAOuvB,KAAOvvB,OAAOwvB,WAAaxvB,OAAOyvB,QAAUzvB,OAAO0vB,OAEhDC,gBAAgBR,GAChCS,EAAS,IAAI5vB,OAAO6vB,OAAOP,GAG/B,OAFAM,EAAOE,UAAYR,EAEZM,I,6BCxMT,uCA0EeG,UA/DK,SAAU9vB,GAE5B,IAAIiK,EAAW,IAAI9G,eACnB8G,EAASmB,QAAU,SAAkBxI,GAAgB,2BAANvG,EAAM,iCAANA,EAAM,kBACnD4N,EAAS9F,KAAT,MAAA8F,EAAQ,CAAMrH,EAAOA,GAAb,OAAuBvG,KAGjC4N,EAASlF,IAAM,SAAcnC,GAAgB,2BAANvG,EAAM,iCAANA,EAAM,kBAC3C4N,EAASvF,eAAT,MAAAuF,EAAQ,CAAgBrH,GAAhB,OAA0BvG,KAGpC,IAAI0zB,EAAiB,SAAUC,EAAI3zB,GACjC2D,EAAKiwB,YAAY,CAAErtB,MAAOotB,EAAI3zB,KAAMA,KAGtC2D,EAAKkwB,iBAAiB,WAAW,SAAUF,GACzC,IAAI3zB,EAAO2zB,EAAG3zB,KAEd,OAAQA,EAAK8zB,KACb,IAAK,OACH,IAAMjmB,EAAS8kB,KAAKoB,MAAM/zB,EAAK6N,QAC/BlK,EAAKipB,QAAU,IAAID,IAAc/e,EAAU5N,EAAKmZ,cAAetL,EAAQ7N,EAAK2mB,QAE5EhrB,YAAWkS,EAAOlT,OAGlB+4B,EAAe,OAAQ,MACvB,MACF,IAAK,QACH/vB,EAAKipB,QAAQrrB,KAAKvB,EAAKA,KAAMA,EAAKmX,YAAanX,EAAK+R,YAAa/R,EAAK8P,WAAY9P,EAAKgS,WAAYhS,EAAK2S,WAAY3S,EAAK6sB,cAAe7sB,EAAK8sB,YAAa9sB,EAAK4S,WAAY5S,EAAKiS,SAAUjS,EAAK6S,mBAAoB7S,EAAK+sB,oBAQ5Nnf,EAASpF,GAAGwG,IAAMxQ,eAAgBk1B,GAClC9lB,EAASpF,GAAGwG,IAAMvQ,0BAA2Bi1B,GAC7C9lB,EAASpF,GAAGwG,IAAMnQ,YAAa60B,GAC/B9lB,EAASpF,GAAGwG,IAAM9P,MAAOw0B,GACzB9lB,EAASpF,GAAGwG,IAAMrQ,sBAAuB+0B,GACzC9lB,EAASpF,GAAGwG,IAAMtQ,sBAAuBg1B,GACzC9lB,EAASpF,GAAGwG,IAAM7Q,eAAgBu1B,GAGlC9lB,EAASpF,GAAGwG,IAAMpQ,mBAAmB,SAAU+0B,EAAI3zB,GACjD,IAAIg0B,EAAe,GACfllB,EAAU,CAAEvI,MAAOotB,EAAI3zB,KAAMA,GAC7BA,EAAK8qB,QACPhc,EAAQgc,MAAQ9qB,EAAK8qB,MAAMzoB,OAC3B2xB,EAAazyB,KAAKvB,EAAK8qB,MAAMzoB,eACtBrC,EAAK8qB,OAEV9qB,EAAK+qB,QACPjc,EAAQic,MAAQ/qB,EAAK+qB,MAAM1oB,OAC3B2xB,EAAazyB,KAAKvB,EAAK+qB,MAAM1oB,eACtBrC,EAAK+qB,OAEdpnB,EAAKiwB,YAAY9kB,EAASklB,Q,wCCiClBC,EAUAC,E,mCCtGNC,EAAwB,CAC5B,iBAAmB,EACnB,sBAAwB,EACxB,qBAAuB,GA2EVC,E,WAnEb,WAAaC,GAA4B,KAJzCA,SAIyC,OAHzCC,mBAGyC,OAFzCC,uBAEyC,EACvC56B,KAAK06B,IAAMA,EACX16B,KAAK66B,QAAU76B,KAAK66B,QAAQv6B,KAAKN,MAFM,2BAAfuN,EAAe,iCAAfA,EAAe,kBAGvCvN,KAAK26B,cAAgBptB,EACrBvN,KAAK46B,mBAAoB,EAEzB56B,KAAK86B,oB,2BAGP/mB,QAAA,WACE/T,KAAK+6B,sBACL/6B,KAAKg7B,sBACLh7B,KAAKi7B,sB,EAGGF,oBAAV,a,EACUE,mBAAV,a,EAEAC,eAAA,WACE,MAAqC,iBAAvBl7B,KAAK26B,eAA8B36B,KAAK26B,cAAcp0B,QAAkC,mBAAjBvG,KAAK66B,S,EAG5FC,kBAAA,WACM96B,KAAKk7B,kBACPl7B,KAAK26B,cAAcx4B,SAAQ,SAAUyK,GACnC,GAAI4tB,EAAsB5tB,GACxB,MAAM,IAAI9B,MAAM,yBAA2B8B,GAG7C5M,KAAK06B,IAAI7rB,GAAGjC,EAAO5M,KAAK66B,WACvB76B,O,EAIPg7B,oBAAA,WACMh7B,KAAKk7B,kBACPl7B,KAAK26B,cAAcx4B,SAAQ,SAAUyK,GACnC5M,KAAK06B,IAAI3rB,IAAInC,EAAO5M,KAAK66B,WACxB76B,O,EAOP66B,QAAA,SAASjuB,EAAevG,GACtBrG,KAAKm7B,eAAevuB,EAAOvG,I,EAG7B80B,eAAA,SAAgBvuB,EAAevG,GAS7B,KARsB,SAAUuG,EAAevG,GAC7C,IAAI+0B,EAAW,KAAOxuB,EAAMrD,QAAQ,MAAO,IAC3C,GAA8B,mBAAnBvJ,KAAKo7B,GACd,MAAM,IAAItwB,MAAJ,SAAmB8B,EAAnB,mCAA2D5M,KAAKq7B,YAAY7tB,KAA5E,iBAAiG4tB,EAAjG,KAGR,OAAOp7B,KAAKo7B,GAAU96B,KAAKN,KAAMqG,KAGjB3F,KAAKV,KAAM4M,EAAOvG,GAAM3F,OACxC,MAAOsU,GACP1S,IAAOlB,MAAP,mDAAgEwL,EAAhE,qBAA0FoI,EAAIG,QAA9F,2BAAiIH,GACjIhV,KAAK06B,IAAItlB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAWy1B,YAAa/lB,QAASzP,IAAay1B,mBAAoB9lB,OAAO,EAAO7I,MAAOA,EAAOoI,IAAKA,M,eDmBnIslB,K,oBAAAA,E,cAAAA,E,yBAAAA,E,gCAAAA,M,cAUAC,K,YAAAA,E,cAAAA,E,qBAAAA,M,2LE3GAiB,ECJSC,E,WASnB,WAAaC,EAAiBC,GAAqB,KAR3CC,KAAsB,KAQqB,KAN5CC,aAM4C,OAL5CC,YAK4C,OAJ5Cnc,OAAwB,KAIoB,KAH5Ctf,IAAyB,KAGmB,KAF5C8O,GAAwB,KAG7BnP,KAAK67B,QAAUH,EACf17B,KAAK87B,OAASH,E,mDAQd,OAJK37B,KAAK47B,MAAQ57B,KAAK87B,SACrB97B,KAAK47B,KAAOtxB,2BAAiBtK,KAAK67B,QAAS77B,KAAK87B,OAAQ,CAAEnxB,iBAAiB,KAGtE3K,KAAK47B,U,gNDfJJ,K,cAAAA,E,eAAAA,M,SAKSO,E,mCACXC,KAAsB,K,KACtBC,WAA8B,K,KAC9BC,aAAgC,K,KAGhCC,qB,MACLX,EAAsBY,QAAQ,E,EAC9BZ,EAAsBa,QAAQ,E,QAI1BC,SAAmB,E,KAEnBC,mBAAoC,K,KACpCC,gBAAiC,K,KACjCC,MAAuB,K,KACvBC,QAA2B,G,KAS3BC,Q,OAEAp7B,U,OAEAq7B,Y,OAEAC,a,OAEAvkB,c,OAEAqI,W,OAEAqK,GAA6B,E,KAE7B8R,MAAgB,E,KAEhBC,MAAgB,E,KAIhBC,c,OAGAC,Y,mCAGPC,aAAA,SAAc98B,EAAe+8B,GAC3B,IAAM1xB,EAASrL,EAAM4L,MAAM,IAAK,GAC1BoxB,EAAsB,GACN,IAAlB3xB,EAAOlF,OACT62B,EAAU,GAAKD,EAAeA,EAAaE,mBAAqB,EAEhED,EAAU,GAAK7iB,SAAS9O,EAAO,IAEjC2xB,EAAU,GAAK7iB,SAAS9O,EAAO,IAAM2xB,EAAU,GAC/Cp9B,KAAKi8B,WAAamB,G,EAqFpBE,oBAAA,SAAqB/7B,GACnBvB,KAAKm8B,mBAAmB56B,IAAQ,G,EAMlCg8B,oBAAA,SAAqBh8B,GACnB,OAAyC,IAAlCvB,KAAKm8B,mBAAmB56B,I,EAQjCi8B,2BAAA,SAA4BC,GAG1B,IAFA,IAAIC,EAAY,IAAIx1B,WAAW,IAEtBjB,EAAI,GAAIA,EAAI,GAAIA,IACvBy2B,EAAUz2B,GAAMw2B,GAAiB,GAAK,GAAKx2B,GAAM,IAGnD,OAAOy2B,G,EASTC,2BAAA,SAA4BX,EAAoBS,GAC9C,IAAIjgB,EAAcwf,EAQlB,OANIA,GAAYA,EAASrd,QAAUqd,EAASY,MAAQZ,EAAS7tB,MAC3DqO,EAAc,IAAIie,EAASuB,EAASnB,QAASmB,EAASlB,SAC1Cnc,OAASqd,EAASrd,OAC9BnC,EAAYrO,GAAKnP,KAAKw9B,2BAA2BC,IAG5CjgB,G,kCAtHP,OAJKxd,KAAKg8B,MAAQh8B,KAAK48B,SACrB58B,KAAKg8B,KAAO1xB,2BAAiBtK,KAAK68B,QAAS78B,KAAK48B,OAAQ,CAAEjyB,iBAAiB,KAGtE3K,KAAKg8B,M,aAGL57B,GACPJ,KAAKg8B,KAAO57B,I,gCAIZ,OAAKJ,KAAKi8B,WAIHj8B,KAAKi8B,WAHH,K,2CAUT,OAAOj8B,KAAKo9B,UAAU,K,yCAItB,OAAOp9B,KAAKo9B,UAAU,K,kCAItB,IAAKp9B,KAAKg9B,WAAah9B,KAAKk8B,aAC1B,OAAO,KAGT,IAAKl8B,KAAKk8B,cAAgBl8B,KAAKg9B,SAAU,CACvC,IAAIhS,EAAKhrB,KAAKgrB,GACI,iBAAPA,IAILhrB,KAAKg9B,UAAqC,YAAzBh9B,KAAKg9B,SAASrd,SAAyB3f,KAAKg9B,SAAS7tB,IACxE7M,IAAOpB,KAAP,sDAAkElB,KAAKg9B,SAASrd,OAAhF,wBAUFqL,EAAK,GAEPhrB,KAAKk8B,aAAel8B,KAAK29B,2BAA2B39B,KAAKg9B,SAAUhS,GAGrE,OAAOhrB,KAAKk8B,e,yCAIZ,GAA6B,OAAzBl8B,KAAKw8B,gBACP,OAAO,KAGT,IAAK,YAAgBx8B,KAAKw8B,iBACxB,OAAO,KAGT,IAAIlkB,EAAY,YAAgBtY,KAAKsY,UAAgBtY,KAAKsY,SAAT,EAEjD,OAAOtY,KAAKw8B,gBAA8B,IAAXlkB,I,gCAI/B,SAAWtY,KAAKwd,aAAwC,OAAzBxd,KAAKwd,YAAYogB,KAA2C,OAAzB59B,KAAKwd,YAAYnd,U,0MEvJlEw9B,E,WACnB,WAAaC,GAEX99B,KAAK+9B,MAAQ,EACb/9B,KAAKg+B,MAAQ,EACbh+B,KAAKi+B,UAAY,GACjBj+B,KAAKoY,YAAc,KACnBpY,KAAKk+B,MAAO,EACZl+B,KAAKm+B,gBAAiB,EACtBn+B,KAAKo+B,QAAU,EACfp+B,KAAKq+B,QAAU,EACfr+B,KAAKs+B,gBAAkB,KACvBt+B,KAAKu+B,eAAiB,EACtBv+B,KAAKw+B,cAAgB,EACrBx+B,KAAKuB,KAAO,KACZvB,KAAK8I,IAAMg1B,EACX99B,KAAK+0B,QAAU,K,kEAIf,SAAU/0B,KAAKi+B,UAAU,KAAM,YAAgBj+B,KAAKi+B,UAAU,GAAGzB,uB,gCCpB/DiC,EAA2B,gBAC3BC,EAAkB,wCAuFTC,E,WAnFb,WAAaC,GAKX,IAAK,IAAIC,IAJY,iBAAVD,IACTA,EAAQD,EAASG,cAAcF,IAGhBA,EACXA,EAAMn+B,eAAeo+B,KACvB7+B,KAAK6+B,GAAQD,EAAMC,I,2BAKzBE,eAAA,SAAgBC,GACd,IAAMC,EAAW1kB,SAASva,KAAKg/B,GAAW,IAC1C,OAAIC,EAAWj5B,OAAOk5B,iBACbxQ,IAGFuQ,G,EAGTE,mBAAA,SAAoBH,GAClB,GAAIh/B,KAAKg/B,GAAW,CAClB,IAAII,GAAep/B,KAAKg/B,IAAa,MAAMtxB,MAAM,GACjD0xB,GAAqC,EAArBA,EAAY74B,OAAc,IAAM,IAAM64B,EAGtD,IADA,IAAMh/B,EAAQ,IAAI8H,WAAWk3B,EAAY74B,OAAS,GACzCU,EAAI,EAAGA,EAAIm4B,EAAY74B,OAAS,EAAGU,IAC1C7G,EAAM6G,GAAKsT,SAAS6kB,EAAY1xB,MAAU,EAAJzG,EAAW,EAAJA,EAAQ,GAAI,IAG3D,OAAO7G,EAEP,OAAO,M,EAIXi/B,2BAAA,SAA4BL,GAC1B,IAAMC,EAAW1kB,SAASva,KAAKg/B,GAAW,IAC1C,OAAIC,EAAWj5B,OAAOk5B,iBACbxQ,IAGFuQ,G,EAGTK,qBAAA,SAAsBN,GACpB,OAAOO,WAAWv/B,KAAKg/B,K,EAGzBQ,iBAAA,SAAkBR,GAChB,OAAOh/B,KAAKg/B,I,EAGdS,kBAAA,SAAmBT,GACjB,IAAMU,EAAMjB,EAAyBlzB,KAAKvL,KAAKg/B,IAC/C,GAAY,OAARU,EAIJ,MAAO,CACLviB,MAAO5C,SAASmlB,EAAI,GAAI,IACxBriB,OAAQ9C,SAASmlB,EAAI,GAAI,M,EAItBZ,cAAP,SAAsBa,GACpB,IAAIzS,EAAO0R,EAAQ,GAEnB,IADAF,EAAgBkB,UAAY,EACqB,QAAzC1S,EAAQwR,EAAgBnzB,KAAKo0B,KAAkB,CACrD,IAAIv/B,EAAQ8sB,EAAM,GAEW,IAAzB9sB,EAAMiJ,QAFoB,MAG1BjJ,EAAM0L,YAHoB,OAGI1L,EAAMmG,OAAS,IAC/CnG,EAAQA,EAAMsN,MAAM,GAAI,IAG1BkxB,EAAM1R,EAAM,IAAM9sB,EAEpB,OAAOw+B,G,KCnFLiB,EAAsB,CAC1BxgB,MAAO,CACL,MAAQ,EACR,QAAQ,EACR,QAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,QAAQ,EACR,QAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,QAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,QAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,GAEVD,MAAO,CACL,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,QAAQ,EACR,MAAQ,EACR,MAAQ,IAWZ,SAAS0gB,EAAuB9oB,EAAezV,GAC7C,OAAOw+B,YAAYC,iBAAmBz+B,GAAQ,SAAvC,gBAA8DyV,EAA9D,KCvDT,IAAMipB,EAAwB,iDACxBC,EAA8B,qBAE9BC,EAA4B,IAAIpI,OAAO,CAC3C,0CAA0CqI,OAC1C,mBAAmBA,OACnB,0BAA0BA,OAC1B,iCAAiCA,OACjC,OAAOA,QACPl0B,KAAK,IAAK,KAENm0B,EAA4B,iWAE5BC,EAAmB,wBAEJC,E,kCACZC,UAAP,SAAkBC,EAA2BC,GAC3C,IAAK,IAAIz5B,EAAI,EAAGA,EAAIw5B,EAAOl6B,OAAQU,IAAK,CACtC,IAAM05B,EAAQF,EAAOx5B,GACrB,GAAI05B,EAAMloB,KAAOioB,EACf,OAAOC,I,EAKNC,oBAAP,SAA4B5pB,GAC1B,IACI9B,EADA2rB,EAAU7pB,EAAMhL,MAAM,KAS1B,OAPI60B,EAAQt6B,OAAS,GACnB2O,EAAS2rB,EAAQha,QAAU,IAC3B3R,GAAUqF,SAASsmB,EAAQha,SAASvB,SAAS,IAC7CpQ,IAAW,MAAQqF,SAASsmB,EAAQha,SAASvB,SAAS,KAAKwb,QAAQ,IAEnE5rB,EAAS8B,EAEJ9B,G,EAGF6rB,QAAP,SAAgBj4B,EAAKg1B,GACnB,OAAOzzB,mBAA4ByzB,EAASh1B,EAAK,CAAE6B,iBAAiB,K,EAG/Dq2B,oBAAP,SAA4BC,EAAgBpE,GAE1C,IAqBI3nB,EArBAgsB,EAAqB,GAIzB,SAASC,EAAWC,EAAuBrE,GACzC,CAAC,QAAS,SAAS56B,SAAQ,SAACZ,GAC1B,IAAM8/B,EAAWD,EAAOpP,QAAO,SAAChb,GAAD,ODDvC,SAAsBA,EAAezV,GACnC,IAAM+/B,EAAYzB,EAAoBt+B,GACtC,QAAS+/B,IAA8C,IAAjCA,EAAUtqB,EAAMtJ,MAAM,EAAG,ICDC6zB,CAAYvqB,EAAOzV,MAC7D,GAAI8/B,EAAS96B,OAAQ,CACnB,IAAMi7B,EAAYH,EAASrP,QAAO,SAAChb,GACjC,OAAwC,IAAjCA,EAAMlL,YAAY,OAAQ,IAA6C,IAAjCkL,EAAMlL,YAAY,OAAQ,MAEzEixB,EAASx7B,EAAJ,SAAmBigC,EAAUj7B,OAAS,EAAIi7B,EAAU,GAAKH,EAAS,GAGvED,EAASA,EAAOpP,QAAO,SAAChb,GAAD,OAAwC,IAA7BqqB,EAASh4B,QAAQ2N,UAIvD+lB,EAAM0E,cAAgBL,EAIxB,IArBAnB,EAAsBL,UAAY,EAqBsB,OAAhD1qB,EAAS+qB,EAAsB10B,KAAK01B,KAAkB,CAE5D,IAAMlE,EAAa,GAEb6B,EAAQ7B,EAAM6B,MAAQ,IAAID,EAASzpB,EAAO,IAChD6nB,EAAMj0B,IAAMy3B,EAAWQ,QAAQ7rB,EAAO,GAAI2nB,GAE1C,IAAM6E,EAAa9C,EAAMa,kBAAkB,cACvCiC,IACF3E,EAAM5f,MAAQukB,EAAWvkB,MACzB4f,EAAM1f,OAASqkB,EAAWrkB,QAE5B0f,EAAM4E,QAAU/C,EAAMG,eAAe,sBAAwBH,EAAMG,eAAe,aAClFhC,EAAMvvB,KAAOoxB,EAAMgD,KAEnBT,EAAU,GAAGvzB,QAAQgxB,EAAMiD,QAAU,IAAI71B,MAAM,UAAW+wB,GAEtDA,EAAM1kB,aAAoD,IAAtC0kB,EAAM1kB,WAAWhP,QAAQ,UAC/C0zB,EAAM1kB,WAAakoB,EAAWK,oBAAoB7D,EAAM1kB,aAG1D6oB,EAAOt5B,KAAKm1B,GAEd,OAAOmE,G,EAGFY,yBAAP,SAAiCb,EAAgBpE,EAAiBt7B,EAAyBwgC,GACzF,IAAI7sB,OADgJ,IAA3D6sB,MAAiC,IAE1H,IAAIC,EAA+B,GAC/BvpB,EAAK,EAET,IADAynB,EAA4BN,UAAY,EACuB,QAAvD1qB,EAASgrB,EAA4B30B,KAAK01B,KAAmB,CACnE,IAAMrC,EAAQ,IAAID,EAASzpB,EAAO,IAClC,GAAI0pB,EAAMqD,OAAS1gC,EAAM,CACvB,IAAM2gC,EAAuB,CAC3BzpB,GAAIA,IACJ0pB,QAASvD,EAAM,YACfpxB,KAAMoxB,EAAMgD,MAAQhD,EAAMwD,SAC1B7gC,OACA41B,QAA4B,QAAlByH,EAAMyD,QAChBC,WAAkC,QAArB1D,EAAM2D,WACnBC,OAA0B,QAAjB5D,EAAM6D,OACfC,KAAM9D,EAAMwD,UAOd,GAJIxD,EAAM+D,MACRT,EAAMp5B,IAAMy3B,EAAWQ,QAAQnC,EAAM+D,IAAK9F,IAGxCkF,EAAYx7B,OAAQ,CAEtB,IAAMq8B,EAAarC,EAAWC,UAAUuB,EAAaG,EAAMC,SAI3DD,EAAM/rB,WAAaysB,EAAaA,EAAW5rB,MAAQ+qB,EAAY,GAAG/qB,MAGpEgrB,EAAOp6B,KAAKs6B,IAGhB,OAAOF,G,EAGFa,mBAAP,SAA2B5B,EAAgBpE,EAAiBpkB,EAAYlX,EAAyBuhC,GAC/F,IAMI5tB,EACAjO,EACA+1B,EARA+F,EAAY,EACZvE,EAAgB,EAChBzB,EAAQ,IAAIc,EAAMhB,GAClBmG,EAAuB,EACvBC,EAA4B,KAC5B5f,EAAwB,IAAI0Y,EAK5BmH,EAAgB,KAIpB,IAFA/C,EAA0BP,UAAY,EAEuB,QAArD1qB,EAASirB,EAA0B50B,KAAK01B,KAAmB,CACjE,IAAM3oB,EAAWpD,EAAO,GACxB,GAAIoD,EAAU,CACZ+K,EAAK/K,SAAWinB,WAAWjnB,GAE3B,IAAMmkB,GAAS,IAAMvnB,EAAO,IAAIxH,MAAM,GACtC2V,EAAKoZ,MAAQA,GAAS,KACtBpZ,EAAKqZ,QAAQ90B,KAAK60B,EAAQ,CAAE,MAAOnkB,EAAUmkB,GAAU,CAAE,MAAOnkB,SAC3D,GAAIpD,EAAO,IAChB,GAAI,YAAgBmO,EAAK/K,UAAW,CAClC,IAAM0S,EAAK+X,IACX1f,EAAK9hB,KAAOA,EACZ8hB,EAAK1C,MAAQ6d,EACTxB,IACF3Z,EAAK2Z,SAAWA,GAElB3Z,EAAK2H,GAAKA,EACV3H,EAAK0Z,MAAQtkB,EACb4K,EAAKsZ,GAAKqG,EACV3f,EAAKyZ,MAAQgG,EACbzf,EAAKwZ,QAAUA,EAEfxZ,EAAKuZ,QAAU,IAAM1nB,EAAO,IAAIxH,MAAM,GACtCy1B,EAAsB9f,EAAM4f,GAE5BlG,EAAMkB,UAAUr2B,KAAKyb,GACrB4f,EAAW5f,EACXmb,GAAiBnb,EAAK/K,SAEtB+K,EAAO,IAAI0Y,QAER,GAAI7mB,EAAO,GAAI,CACpB,IAAM7O,GAAQ,IAAM6O,EAAO,IAAIxH,MAAM,GACjCu1B,EACF5f,EAAK6Z,aAAa72B,EAAM48B,GAExB5f,EAAK6Z,aAAa72B,QAEf,GAAI6O,EAAO,GAEhBmO,EAAKkZ,oBAAsB,IAAMrnB,EAAO,IAAIxH,MAAM,GAClD2V,EAAKqZ,QAAQ90B,KAAK,CAAC,oBAAqByb,EAAKkZ,qBACvB,OAAlB2G,IACFA,EAAgBnG,EAAMkB,UAAU13B,YAE7B,CAEL,KADA2O,EAASA,EAAO,GAAGgY,MAAMmT,IACZ,CACX/9B,IAAOpB,KAAK,sDACZ,SAEF,IAAK+F,EAAI,EAAGA,EAAIiO,EAAO3O,aACI,IAAd2O,EAAOjO,GADWA,KAO/B,IAAMm8B,GAAU,IAAMluB,EAAOjO,EAAI,IAAIyG,MAAM,GACrC21B,GAAU,IAAMnuB,EAAOjO,EAAI,IAAIyG,MAAM,GAE3C,OAAQwH,EAAOjO,IACf,IAAK,IACHoc,EAAKqZ,QAAQ90B,KAAKy7B,EAAS,CAAED,EAAQC,GAAW,CAAED,IAClD,MACF,IAAK,gBACHrG,EAAMx7B,KAAO6hC,EAAOE,cACpB,MACF,IAAK,iBACHP,EAAYhG,EAAMsB,QAAU9jB,SAAS6oB,GACrC,MACF,IAAK,iBACHrG,EAAMwB,eAAiBgB,WAAW6D,GAClC,MACF,IAAK,UACHrG,EAAMhI,QAAUxa,SAAS6oB,GACzB,MACF,IAAK,SACH,MACF,IAAK,UACHrG,EAAMmB,MAAO,EACb,MACF,IAAK,MACH8E,IACA3f,EAAKqZ,QAAQ90B,KAAK,CAAC,QACnB,MACF,IAAK,oBACHo7B,EAAuBzoB,SAAS6oB,GAChC,MACF,IAAK,MAEH,IACMG,EAAW,IAAI5E,EADCyE,GAEhBI,EAAgBD,EAAS/D,iBAAiB,UAC1CiE,EAAaF,EAASZ,IACtBe,EAAYH,EAASpE,mBAAmB,MAE1CqE,IACFxG,EAAW,IAAIvB,EAASoB,EAAS4G,GAC5BA,GAAgB,CAAC,UAAW,aAAc,mBAAmBp6B,QAAQm6B,IAAkB,IAC1FxG,EAASrd,OAAS6jB,EAClBxG,EAAS38B,IAAM,KAEf28B,EAAS7tB,GAAKu0B,IAGlB,MAEF,IAAK,QACH,IACMpF,EADa,IAAIK,EAASyE,GACG9D,qBAAqB,eAEpD,YAAgBhB,KAClBvB,EAAMuB,gBAAkBA,GAE1B,MAEF,IAAK,MACH,IAAMqF,EAAW,IAAIhF,EAASyE,GAC9B/f,EAAKuZ,OAAS+G,EAAShB,IACnBgB,EAASC,WACXvgB,EAAK6Z,aAAayG,EAASC,WAE7BvgB,EAAKwZ,QAAUA,EACfxZ,EAAK0Z,MAAQtkB,EACb4K,EAAK9hB,KAAOA,EACZ8hB,EAAK2H,GAAK,cACV+R,EAAM3kB,YAAciL,GACpBA,EAAO,IAAI0Y,GACNQ,mBAAqBQ,EAAM3kB,YAAYmkB,mBAC5C,MAEF,QACEj6B,IAAOpB,KAAP,gCAA4CgU,KAiDlD,OA5CAmO,EAAO4f,KAEM5f,EAAKuZ,SAChBG,EAAMkB,UAAUvF,MAChB8F,GAAiBnb,EAAK/K,UAExBykB,EAAMyB,cAAgBA,EACtBzB,EAAM8G,sBAAwBrF,EAAgBzB,EAAMkB,UAAU13B,OAC9Dw2B,EAAMiB,MAAQ+E,EAAY,EAC1BhG,EAAMqB,QAAUrB,EAAMkB,UAAU,GAAKlB,EAAMkB,UAAU,GAAGtB,GAAK,EAC7DI,EAAMgB,MAAQiF,GAETjG,EAAM3kB,aAAe2kB,EAAMkB,UAAU13B,QAIpCw2B,EAAMkB,UAAU6F,OAAM,SAACzgB,GAAD,OAAUid,EAAiBxpB,KAAKuM,EAAKuZ,aAC7Dt6B,IAAOpB,KAAK,qGAEZmiB,EAAO,IAAI0Y,GACNa,OAASG,EAAMkB,UAAU,GAAGrB,OACjCvZ,EAAKwZ,QAAUA,EACfxZ,EAAK0Z,MAAQtkB,EACb4K,EAAK9hB,KAAOA,EACZ8hB,EAAK2H,GAAK,cAEV+R,EAAM3kB,YAAciL,EACpB0Z,EAAMoB,gBAAiB,GAavB+E,GAQR,SAAmCjF,EAAW8F,GAE5C,IADA,IAAIC,EAAW/F,EAAU8F,GAChB98B,EAAI88B,EAAa,EAAG98B,GAAK,EAAGA,IAAK,CACxC,IAAMoc,EAAO4a,EAAUh3B,GACvBoc,EAAKmZ,gBAAkBwH,EAASxH,gBAAmC,IAAhBnZ,EAAK/K,SACxD0rB,EAAW3gB,GAZT4gB,CAAyBlH,EAAMkB,UAAWiF,GAGrCnG,G,KAaX,SAASoG,EAAuB9f,EAAM4f,GAChC5f,EAAKkZ,mBACPlZ,EAAKmZ,gBAAkBzJ,KAAKqH,MAAM/W,EAAKkZ,oBAC9B0G,GAAYA,EAASzG,kBAC9BnZ,EAAKmZ,gBAAkByG,EAASiB,oBAG7B,YAAgB7gB,EAAKmZ,mBACxBnZ,EAAKmZ,gBAAkB,KACvBnZ,EAAKkZ,mBAAqB,M,IC3VtBzJ,EAAgB/oB,OAAhB+oB,YA6fOqR,E,oBAjfb,WAAazJ,GAAK,aAChB,cAAMA,EACJrlB,IAAMjS,iBACNiS,IAAM5R,cACN4R,IAAMpR,oBACNoR,IAAMhR,yBAJR,MAPM+/B,QAA+E,GAMrE,E,yFAYXC,qBAAP,SAA6B9iC,GAC3B,OAAQA,IAAS+4B,EAAoBgK,aACnC/iC,IAAS+4B,EAAoBiK,gB,EAQ1BC,sBAAP,SAA8Bh4B,GAG5B,OAFiBA,EAATjL,MAGR,KAAK+4B,EAAoBgK,YACvB,OAAO/J,EAAkB6B,MAC3B,KAAK9B,EAAoBiK,eACvB,OAAOhK,EAAkBkK,SAC3B,QACE,OAAOlK,EAAkBmK,O,EAItBC,eAAP,SAAuBC,EAA0Bp4B,GAC/C,IAAI1D,EAAM87B,EAAS97B,IAOnB,YAJY6F,IAAR7F,GAA8C,IAAzBA,EAAIO,QAAQ,WAEnCP,EAAM0D,EAAQ1D,KAETA,G,2BAST+7B,qBAAA,SAAsBr4B,GACpB,IAAM0H,EAASlU,KAAK06B,IAAIxmB,OAClB4wB,EAAU5wB,EAAO6wB,QACjBC,EAAS9wB,EAAO+oB,OAIhBA,EAAS,IAFQ6H,GAAWE,GAEA9wB,GAMlC,OAHA1H,EAAQywB,OAASA,EACjBj9B,KAAKokC,QAAQ53B,EAAQjL,MAAQ07B,EAEtBA,G,EAGTgI,kBAAA,SAAmBz4B,GACjB,OAAOxM,KAAKokC,QAAQ53B,EAAQjL,O,EAG9B2jC,oBAAA,SAAqBC,GACfnlC,KAAKokC,QAAQe,WACRnlC,KAAKokC,QAAQe,I,EAOxBC,uBAAA,WACE,IAAK,IAAID,KAAenlC,KAAKokC,QAAS,CACpC,IAAInH,EAASj9B,KAAKokC,QAAQe,GACtBlI,GACFA,EAAOlpB,UAGT/T,KAAKklC,oBAAoBC,K,EAI7BpxB,QAAA,WACE/T,KAAKolC,yBAEL,YAAMrxB,QAAN,Y,EAGFsxB,kBAAA,SAAmBh/B,GACjBrG,KAAKslC,KAAK,CACRx8B,IAAKzC,EAAKyC,IACVvH,KAAM+4B,EAAoBiL,SAC1BxI,MAAO,EACPtkB,GAAI,KACJ+sB,aAAc,U,EAIlBC,eAAA,SAAgBp/B,GACdrG,KAAKslC,KAAK,CACRx8B,IAAKzC,EAAKyC,IACVvH,KAAM+4B,EAAoBoL,MAC1B3I,MAAO12B,EAAK02B,MACZtkB,GAAIpS,EAAKoS,GACT+sB,aAAc,U,EAIlBG,oBAAA,SAAqBt/B,GACnBrG,KAAKslC,KAAK,CACRx8B,IAAKzC,EAAKyC,IACVvH,KAAM+4B,EAAoBgK,YAC1BvH,MAAO,KACPtkB,GAAIpS,EAAKoS,GACT+sB,aAAc,U,EAIlBI,uBAAA,SAAwBv/B,GACtBrG,KAAKslC,KAAK,CACRx8B,IAAKzC,EAAKyC,IACVvH,KAAM+4B,EAAoBiK,eAC1BxH,MAAO,KACPtkB,GAAIpS,EAAKoS,GACT+sB,aAAc,U,EAIlBF,KAAA,SAAM94B,GACJ,IAAM0H,EAASlU,KAAK06B,IAAIxmB,OAExB5R,IAAOtB,MAAP,4BAAyCwL,EAAQjL,KAAjD,YAAiEiL,EAAQuwB,MAAzE,SAAuFvwB,EAAQiM,IAG/F,IAYIotB,EACAC,EACAC,EACAC,EAfA/I,EAASj9B,KAAKilC,kBAAkBz4B,GACpC,GAAIywB,EAAQ,CACV,IAAMgJ,EAAgBhJ,EAAOzwB,QAC7B,GAAIy5B,GAAiBA,EAAcn9B,MAAQ0D,EAAQ1D,IAEjD,OADAxG,IAAOvB,MAAM,6BACN,EAEPuB,IAAOpB,KAAP,sCAAkDsL,EAAQjL,MAC1D07B,EAAOiJ,QAWX,OAAQ15B,EAAQjL,MAChB,KAAK+4B,EAAoBiL,SACvBM,EAAW3xB,EAAOiyB,wBAClBL,EAAU5xB,EAAOkyB,uBACjBL,EAAa7xB,EAAOmyB,0BACpBL,EAAgB9xB,EAAOoyB,+BACvB,MACF,KAAKhM,EAAoBoL,MAEvBG,EAAW,EACXG,EAAgB,EAChBD,EAAa,EACbD,EAAU5xB,EAAOqyB,oBAEjB,MACF,QACEV,EAAW3xB,EAAOsyB,qBAClBV,EAAU5xB,EAAOqyB,oBACjBR,EAAa7xB,EAAOuyB,uBACpBT,EAAgB9xB,EAAOwyB,4BAIzBzJ,EAASj9B,KAAK6kC,qBAAqBr4B,GAEnC,IAAMm6B,EAAoC,CACxCb,UACAD,WACAE,aACAC,iBAGIY,EAA0D,CAC9DC,UAAW7mC,KAAK8mC,YAAYxmC,KAAKN,MACjC+mC,QAAS/mC,KAAKgnC,UAAU1mC,KAAKN,MAC7BinC,UAAWjnC,KAAKknC,YAAY5mC,KAAKN,OAMnC,OAHAsC,IAAOtB,MAAP,6CAA0DwL,EAAQ1D,KAClEm0B,EAAOqI,KAAK94B,EAASm6B,EAAcC,IAE5B,G,EAGTE,YAAA,SAAalC,EAA0BrR,EAAoB/mB,EAAgC26B,GACzF,QADyH,IAAhCA,MAA0B,MAC/G36B,EAAQ46B,cAGV,OAFApnC,KAAKqnC,mBAAmBzC,EAAUp4B,QAClCxM,KAAKsnC,sBAAsB1C,EAAUrR,EAAO/mB,EAAS26B,GAKvD,GADAnnC,KAAKklC,oBAAoB14B,EAAQjL,MACJ,iBAAlBqjC,EAASv+B,KAClB,MAAM,IAAIyE,MAAM,sDAGlB,IAAMm2B,EAAS2D,EAASv+B,KAExBktB,EAAMgU,MAAQzU,EAAYlG,MAIQ,IAA9BqU,EAAO53B,QAAQ,WAMf43B,EAAO53B,QAAQ,YAAc,GAAK43B,EAAO53B,QAAQ,0BAA4B,EAC/ErJ,KAAKwnC,4BAA4B5C,EAAUrR,EAAO/mB,EAAS26B,GAE3DnnC,KAAKynC,sBAAsB7C,EAAUrR,EAAO/mB,EAAS26B,GARrDnnC,KAAK0nC,4BAA4B9C,EAAUp4B,EAAS,sBAAuB26B,I,EAY/EH,UAAA,SAAWpC,EAA0Bp4B,EAAgC26B,QAAuB,IAAvBA,MAAiB,MACpFnnC,KAAK2nC,oBAAoBn7B,EAAS26B,GAAgB,EAAOvC,I,EAG3DsC,YAAA,SAAa3T,EAAoB/mB,EAAgC26B,QAAuB,IAAvBA,MAAiB,MAChFnnC,KAAK2nC,oBAAoBn7B,EAAS26B,GAAgB,I,EAKpDM,sBAAA,SAAuB7C,EAA0BrR,EAAoB/mB,EAAgC26B,GACnG,IAAMzM,EAAM16B,KAAK06B,IACXuG,EAAS2D,EAASv+B,KAElByC,EAAMq7B,EAAeQ,eAAeC,EAAUp4B,GAC9C00B,EAASX,EAAWS,oBAAoBC,EAAQn4B,GACtD,GAAKo4B,EAAO36B,OAAZ,CAMA,IAAMw7B,EAAiCb,EAAOrL,KAAI,SAAAkH,GAAK,MAAK,CAC1DtkB,GAAIskB,EAAM6B,MAAMxC,MAChBplB,MAAO+lB,EAAM5mB,eAGTyxB,EAAcrH,EAAWuB,yBAAyBb,EAAQn4B,EAAK,QAASi5B,GACxE8F,EAAYtH,EAAWuB,yBAAyBb,EAAQn4B,EAAK,aAEnE,GAAI8+B,EAAYrhC,OAAQ,CAEtB,IAAIuhC,GAAqB,EACzBF,EAAYzlC,SAAQ,SAAA6e,GACbA,EAAWlY,MACdg/B,GAAqB,OAQE,IAAvBA,GAAgC5G,EAAO,GAAG/qB,aAAe+qB,EAAO,GAAGtC,MAAMxC,QAC3E95B,IAAOrB,IAAI,2FACX2mC,EAAYG,QAAQ,CAClBxmC,KAAM,OACNiM,KAAM,OACN2pB,SAAS,EACTmL,YAAY,EACZE,QAAQ,EACR/pB,IAAK,KAKXiiB,EAAItlB,QAAQC,IAAMhS,gBAAiB,CACjC69B,SACA0G,cACAC,YACA/+B,MACAyqB,QACA4T,wBA7CAnnC,KAAK0nC,4BAA4B9C,EAAUp4B,EAAS,6BAA8B26B,I,EAiDtFK,4BAAA,SAA6B5C,EAA0BrR,EAAoB/mB,EAAgC26B,GACzG,IAAMzM,EAAM16B,KAAK06B,IAETjiB,EAAoBjM,EAApBiM,GAAIskB,EAAgBvwB,EAAhBuwB,MAAOx7B,EAASiL,EAATjL,KAEbuH,EAAMq7B,EAAeQ,eAAeC,EAAUp4B,GAG9Cs2B,EAAa,YAAgBrqB,GAAgBA,EAAe,EAC5DuvB,EAAU,YAAgBjL,GAAmBA,EAAkB+F,EAE/DmF,EAAY9D,EAAeK,sBAAsBh4B,GACjD07B,EAAe3H,EAAWsC,mBAAmB+B,EAASv+B,KAAgByC,EAAKk/B,EAASC,EAAWnF,GAUrG,GANCoF,EAAqBX,MAAQhU,EAAMgU,MAMhChmC,IAAS+4B,EAAoBiL,SAAU,CACzC,IAAM4C,EAAc,CAClBr/B,MACAyM,QAAS2yB,GAGXxN,EAAItlB,QAAQC,IAAMhS,gBAAiB,CACjC69B,OAAQ,CAACiH,GACTP,YAAa,GACb9+B,MACAyqB,QACA4T,mBAUJ,GALA5T,EAAM6U,QAAUtV,EAAYlG,MAKxBsb,EAAa/J,eAAjB,CACE,IAAMkK,EAAUH,EAAa9vB,YAAYtP,IACzC9I,KAAKslC,KAAK,CACRx8B,IAAKu/B,EACLjB,eAAe,EACf7lC,OACAw7B,QACAmL,eACAzvB,KACA6vB,WAAY,EACZC,SAAU,KACV/C,aAAc,qBAMlBh5B,EAAQ07B,aAAeA,EAEvBloC,KAAKsnC,sBAAsB1C,EAAUrR,EAAO/mB,EAAS26B,I,EAGvDE,mBAAA,SAAoBzC,EAA0Bp4B,GAC5C,GAA6B,iBAAlBo4B,EAASv+B,KAClB,MAAM,IAAIyE,MAAM,+DAGlB,IAAM09B,EAAW3U,IAAWc,kBAAkB,IAAIzsB,WAAW08B,EAASv+B,OAEtE,GAAKmiC,EAAL,CAGA,IAAMC,EAAiBD,EAAS5T,WAC1BsT,EAAe17B,EAAQ07B,aAC7BO,EAAetmC,SAAQ,SAACumC,EAAY//B,GAClC,IAAMggC,EAAaD,EAAWvnC,KAC9B,GAAK+mC,EAAL,CAGA,IAAM7kB,EAAO6kB,EAAajK,UAAUt1B,GACN,IAA1B0a,EAAK+Z,UAAU72B,QACjB8c,EAAK6Z,aAAa51B,OAAO,EAAIqhC,EAAWlhC,IAAMkhC,EAAWhoB,OAAS,IAAMrZ,OAAOqhC,EAAWhoB,YAI1FunB,GACFA,EAAa9vB,YAAY8kB,aAAa51B,OAAOkhC,EAAS3T,eAAiB,Q,EAI3E6S,4BAAA,SAA6B9C,EAA0Bp4B,EAAgCkJ,EAAgByxB,GACrGnnC,KAAK06B,IAAItlB,QAAQC,IAAM9P,MAAO,CAC5BhE,KAAMsE,IAAW+iC,cACjBrzB,QAASzP,IAAa+iC,uBACtBpzB,OAAO,EACP3M,IAAK87B,EAAS97B,IACd4M,SACAyxB,oB,EAIJQ,oBAAA,SAAqBn7B,EAAgC26B,EAAyBrB,EAA0BlB,GAGtG,IAAIrvB,EACAE,OAJ0I,IAAlEqwB,OAAmB,QAA+C,IAAxClB,MAAkC,MACxItiC,IAAOnB,KAAP,2CAAuDqL,EAAQjL,KAA/D,kBAKA,IAAM07B,EAASj9B,KAAKilC,kBAAkBz4B,GAEtC,OAAQA,EAAQjL,MAChB,KAAK+4B,EAAoBiL,SACvBhwB,EAAWuwB,EAAUhgC,IAAagjC,sBAAwBhjC,IAAaijC,oBACvEtzB,GAAQ,EACR,MACF,KAAK6kB,EAAoBoL,MACvBnwB,EAAWuwB,EAAUhgC,IAAakjC,mBAAqBljC,IAAamjC,iBACpExzB,GAAQ,EACR,MACF,KAAK6kB,EAAoBgK,YACvB/uB,EAAWuwB,EAAUhgC,IAAaojC,yBAA2BpjC,IAAaqjC,uBAC1E1zB,GAAQ,EACR,MACF,QAEEA,GAAQ,EAGNwnB,IACFA,EAAOiJ,QACPlmC,KAAKklC,oBAAoB14B,EAAQjL,OAInC,IAAI6nC,EAAiB,CACnB7nC,KAAMsE,IAAW+iC,cACjBrzB,UACAE,QACA3M,IAAK0D,EAAQ1D,IACbm0B,SACAzwB,UACA26B,kBAGEvC,IACFwE,EAAUxE,SAAWA,GAGvB5kC,KAAK06B,IAAItlB,QAAQC,IAAM9P,MAAO6jC,I,EAGhC9B,sBAAA,SAAuB1C,EAA0BrR,EAAoB/mB,EAAgC26B,GAAyB,IACpH5lC,EAAkCiL,EAAlCjL,KAAMw7B,EAA4BvwB,EAA5BuwB,MAAOtkB,EAAqBjM,EAArBiM,GAAIyvB,EAAiB17B,EAAjB07B,aAEzB,GAAKA,GAAiBA,EAAa3J,eAMnC,GADsB4F,EAAeE,qBAAqB73B,EAAQjL,MAEhEvB,KAAK06B,IAAItlB,QAAQC,IAAM3R,aAAc,CACnC6R,QAAS2yB,EACTnL,MAAOA,GAAS,EAChBtkB,GAAIA,GAAM,EACV8a,QACA4T,wBAGF,OAAQ5lC,GACR,KAAK+4B,EAAoBgK,YACvBtkC,KAAK06B,IAAItlB,QAAQC,IAAMnR,mBAAoB,CACzCqR,QAAS2yB,EACTzvB,KACA8a,QACA4T,mBAEF,MACF,KAAK7M,EAAoBiK,eACvBvkC,KAAK06B,IAAItlB,QAAQC,IAAM/Q,sBAAuB,CAC5CiR,QAAS2yB,EACTzvB,KACA8a,QACA4T,wBA5BJnnC,KAAK0nC,4BAA4B9C,EAAUp4B,EAAS,0BAA2B26B,I,GApdxD1M,G,IC0Fd4O,E,oBAzGb,WAAa3O,GAAK,aAChB,cAAMA,EAAKrlB,IAAM5Q,eAAjB,MACK2/B,QAAU,GAFC,E,kHAKlBrwB,QAAA,WACE,IAAIqwB,EAAUpkC,KAAKokC,QACnB,IAAK,IAAIkF,KAAclF,EAAS,CAC9B,IAAInH,EAASmH,EAAQkF,GACjBrM,GACFA,EAAOlpB,UAGX/T,KAAKokC,QAAU,GAEf,YAAMrwB,QAAN,Y,EAGFw1B,cAAA,SAAeljC,GACb,IAAMgd,EAAOhd,EAAKgd,KAChB9hB,EAAO8hB,EAAK9hB,KACZ6iC,EAAUpkC,KAAKokC,QACflwB,EAASlU,KAAK06B,IAAIxmB,OAClBs1B,EAAkBt1B,EAAOu1B,QACzBC,EAAiBx1B,EAAO+oB,OAG1B5Z,EAAKsmB,OAAS,EAEd,IASI1D,EAAeU,EAAcC,EAT7B3J,EAASmH,EAAQ7iC,GACjB07B,IACF36B,IAAOpB,KAAP,4CAAwDK,GACxD07B,EAAOiJ,SAGTjJ,EAASmH,EAAQ7iC,GAAQ8hB,EAAK4Z,OAC5B/oB,EAAOu1B,QAAU,IAAID,EAAgBt1B,GAAU,IAAIw1B,EAAex1B,GAIpE+xB,EAAgB,CAAEn9B,IAAKua,EAAKva,IAAKua,KAAMA,EAAMmiB,aAAc,cAAeoE,cAAc,GAExF,IAAIjpB,EAAQ0C,EAAKwmB,qBACfpiC,EAAM4b,EAAKga,mBAET,YAAgB1c,IAAU,YAAgBlZ,KAC5Cw+B,EAAcqC,WAAa3nB,EAC3BslB,EAAcsC,SAAW9gC,GAG3Bk/B,EAAe,CACbb,QAAS5xB,EAAO41B,mBAChBjE,SAAU,EACVE,WAAY,EACZC,cAAe9xB,EAAO61B,4BAGxBnD,EAAkB,CAChBC,UAAW7mC,KAAK8mC,YAAYxmC,KAAKN,MACjC+mC,QAAS/mC,KAAKgnC,UAAU1mC,KAAKN,MAC7BinC,UAAWjnC,KAAKknC,YAAY5mC,KAAKN,MACjCgqC,WAAYhqC,KAAKiqC,aAAa3pC,KAAKN,OAGrCi9B,EAAOqI,KAAKW,EAAeU,EAAcC,I,EAG3CE,YAAA,SAAalC,EAAUrR,EAAO/mB,EAAS26B,QAAuB,IAAvBA,MAAiB,MACtD,IAAIvc,EAAUga,EAASv+B,KAAMgd,EAAO7W,EAAQ6W,KAE5CA,EAAK4Z,YAAStuB,EACd3O,KAAKokC,QAAQ/gB,EAAK9hB,WAAQoN,EAC1B3O,KAAK06B,IAAItlB,QAAQC,IAAMzQ,YAAa,CAAEgmB,QAASA,EAASvH,KAAMA,EAAMkQ,MAAOA,EAAO4T,eAAgBA,K,EAGpGH,UAAA,SAAWpC,EAAUp4B,EAAS26B,QAAuB,IAAvBA,MAAiB,MAC7C,IAAM9jB,EAAO7W,EAAQ6W,KACjB4Z,EAAS5Z,EAAK4Z,OACdA,GACFA,EAAOiJ,QAGTlmC,KAAKokC,QAAQ/gB,EAAK9hB,WAAQoN,EAC1B3O,KAAK06B,IAAItlB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAW+iC,cAAerzB,QAASzP,IAAaokC,gBAAiBz0B,OAAO,EAAO4N,KAAM7W,EAAQ6W,KAAMuhB,SAAUA,EAAUuC,eAAgBA,K,EAG/KD,YAAA,SAAa3T,EAAO/mB,EAAS26B,QAAuB,IAAvBA,MAAiB,MAC5C,IAAM9jB,EAAO7W,EAAQ6W,KACjB4Z,EAAS5Z,EAAK4Z,OACdA,GACFA,EAAOiJ,QAGTlmC,KAAKokC,QAAQ/gB,EAAK9hB,WAAQoN,EAC1B3O,KAAK06B,IAAItlB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAW+iC,cAAerzB,QAASzP,IAAaqkC,kBAAmB10B,OAAO,EAAO4N,KAAM7W,EAAQ6W,KAAM8jB,eAAgBA,K,EAI7J8C,aAAA,SAAc1W,EAAO/mB,EAASnG,EAAM8gC,QAAuB,IAAvBA,MAAiB,MACnD,IAAI9jB,EAAO7W,EAAQ6W,KACnBA,EAAKsmB,OAASpW,EAAMoW,OACpB3pC,KAAK06B,IAAItlB,QAAQC,IAAM3Q,mBAAoB,CAAE2e,KAAMA,EAAMkQ,MAAOA,EAAO4T,eAAgBA,K,GAtG9D1M,G,IC6Hd2P,E,oBA7Gb,WAAa1P,GAAU,aACrB,cAAMA,EAAKrlB,IAAM5P,cAAjB,MALK2+B,QAAU,GAIM,EAHhBiG,WAAgC,KAGhB,EAFhBC,WAA4B,KAEZ,E,kHAIvBv2B,QAAA,WACE,IAAK,IAAMu1B,KAActpC,KAAKokC,QAAS,CACrC,IAAInH,EAASj9B,KAAKokC,QAAQkF,GACtBrM,GACFA,EAAOlpB,UAGX/T,KAAKokC,QAAU,GAEf,YAAMrwB,QAAN,Y,EAGFw2B,aAAA,SAAclkC,GAA2B,IAC/Bgd,EAAShd,EAATgd,KACF9hB,EAAO8hB,EAAK9hB,KACZ07B,EAASj9B,KAAKokC,QAAQ7iC,GAC5B,GAAK8hB,EAAK7F,YAAV,CAMA,IAAMogB,EAAMva,EAAK7F,YAAYogB,IAC7B,GAAIA,IAAQ59B,KAAKsqC,YAAkC,OAApBtqC,KAAKqqC,WAAqB,CACvD,IAAIn2B,EAASlU,KAAK06B,IAAIxmB,OAKtB,GAJI+oB,IACF36B,IAAOpB,KAAP,sCAAkDK,GAClD07B,EAAOiJ,UAEJtI,EAEH,YADAt7B,IAAOpB,KAAK,oBAIdmiB,EAAK4Z,OAASj9B,KAAKokC,QAAQ7iC,GAAQ,IAAI2S,EAAO+oB,OAAO/oB,GACrDlU,KAAKsqC,WAAa1M,EAClB59B,KAAKqqC,WAAa,KAElB,IAAMpE,EAAkC,CACtCn9B,IAAK80B,EACLva,KAAMA,EACNmiB,aAAc,eAMVmB,EAAoC,CACxCb,QAAS5xB,EAAO41B,mBAChBjE,SAAU,EACVE,WAAY7xB,EAAOs2B,sBACnBxE,cAAe9xB,EAAO61B,4BAGlBnD,EAAqD,CACzDC,UAAW7mC,KAAK8mC,YAAYxmC,KAAKN,MACjC+mC,QAAS/mC,KAAKgnC,UAAU1mC,KAAKN,MAC7BinC,UAAWjnC,KAAKknC,YAAY5mC,KAAKN,OAGnCqjB,EAAK4Z,OAAOqI,KAAKW,EAAeU,EAAcC,QACrC5mC,KAAKqqC,aAEdhnB,EAAK7F,YAAYnd,IAAML,KAAKqqC,WAC5BrqC,KAAK06B,IAAItlB,QAAQC,IAAM3P,WAAY,CAAE2d,KAAMA,UA/C3C/gB,IAAOpB,KAAK,wD,EAmDhB4lC,YAAA,SAAalC,EAA0BrR,EAAoB/mB,GACzD,IAAI6W,EAAO7W,EAAQ6W,KACdA,EAAK7F,aAIVxd,KAAKqqC,WAAahnB,EAAK7F,YAAYnd,IAAM,IAAI6H,WAAW08B,EAASv+B,MAGjEgd,EAAK4Z,YAAStuB,SACP3O,KAAKokC,QAAQ/gB,EAAK9hB,MACzBvB,KAAK06B,IAAItlB,QAAQC,IAAM3P,WAAY,CAAE2d,KAAMA,KARzC/gB,IAAOlB,MAAM,sC,EAWjB4lC,UAAA,SAAWpC,EAA0Bp4B,GACnC,IAAI6W,EAAO7W,EAAQ6W,KACf4Z,EAAS5Z,EAAK4Z,OACdA,GACFA,EAAOiJ,eAGFlmC,KAAKokC,QAAQ/gB,EAAK9hB,MACzBvB,KAAK06B,IAAItlB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAW+iC,cAAerzB,QAASzP,IAAa2kC,eAAgBh1B,OAAO,EAAO4N,OAAMuhB,c,EAG5HsC,YAAA,SAAa3T,EAAoB/mB,GAC/B,IAAI6W,EAAO7W,EAAQ6W,KACf4Z,EAAS5Z,EAAK4Z,OACdA,GACFA,EAAOiJ,eAGFlmC,KAAKokC,QAAQ/gB,EAAK9hB,MACzBvB,KAAK06B,IAAItlB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAW+iC,cAAerzB,QAASzP,IAAa4kC,iBAAkBj1B,OAAO,EAAO4N,U,GA9GlGoX,GCjBjB,IAAMkQ,EACC,aADDA,EAEA,YAFAA,EAGF,UAHEA,EAIP,KAGOC,EAAb,Y,QACE,WAAalQ,GAAK,aAChB,cAAMA,EACJrlB,IAAMrS,gBACNqS,IAAMlQ,cACNkQ,IAAMzQ,cAHR,MAMKimC,cAAgB,GAErB,EAAK5M,UAAY19B,OAAO6M,OAAO,MAC/B,EAAK09B,WAAavqC,OAAO6M,OAAO,MAEhC,EAAK8G,OAASwmB,EAAIxmB,OAZF,E,EADpB,G,EAAA,G,6EAAA,2BAgBEH,QAAA,WACE/T,KAAKi+B,UAAY19B,OAAO6M,OAAO,MAC/BpN,KAAK8qC,WAAavqC,OAAO6M,OAAO,MAChCpN,KAAKkU,OAAS,KACdumB,EAAaj6B,UAAUuT,QAAQrT,KAAKV,MACpC,YAAM+T,QAAN,YArBJ,EA+BEg3B,gBAAA,SAAiBnwB,EAAUqtB,GACzB,IAAMhK,EAAYj+B,KAAKi+B,UACjB+M,EAAgBzqC,OAAOquB,KAAKqP,GAAWjM,QAAO,SAAA3xB,GAClD,IAAM4qC,EAAiBhN,EAAU59B,GACjC,GAAI4qC,EAAeC,KAAK3pC,OAAS0mC,EAC/B,OAAO,EAGT,IAAKgD,EAAeE,SAClB,OAAO,EAGT,IAAM9nB,EAAO4nB,EAAeC,KAC5B,OAAO7nB,EAAK0K,UAAYnT,GAAYA,GAAYyI,EAAKyK,UAEvD,GAA6B,IAAzBkd,EAAczkC,OAChB,OAAO,KAGP,IAAM6kC,EAAkBJ,EAActS,MACtC,OAAOuF,EAAUmN,GAAiBF,MAnDxC,EA8DEG,uBAAA,SAAwBC,EAAkBC,GAAW,IAC/CC,EAAeC,EADgC,OAGnDlrC,OAAOquB,KAAK5uB,KAAKi+B,WAAW97B,SAAQ,SAAA9B,GAClC,IAAM4qC,EAAiB,EAAKhN,UAAU59B,GACtC,IAAgC,IAA5B4qC,EAAeE,SAAmB,CACpC,IAAMO,EAAST,EAAeU,MAAML,GACpC,GAAII,EAAQ,CACVF,EAAgBE,EAAOD,KACvB,IAAK,IAAIxkC,EAAI,EAAGA,EAAIukC,EAAcjlC,OAAQU,IAGxC,GAFAwkC,EAAOD,EAAcvkC,IAE8C,IAA/D,EAAK2kC,eAAeH,EAAK1d,SAAU0d,EAAK3d,OAAQyd,GAAsB,CAExE,EAAKM,eAAeZ,EAAeC,MACnC,aA7Ed,EA0FEY,uBAAA,SAAwBngC,GAAU,WAC5BogC,EAAU/rC,KAAKgsC,eAAergC,GAC9Bs/B,EAAiBjrC,KAAKi+B,UAAU8N,GAChCd,IACFA,EAAeE,UAAW,EAE1B5qC,OAAOquB,KAAK5uB,KAAK8qC,YAAY3oC,SAAQ,SAAAmpC,GACnC,GAAI3/B,EAAS4xB,oBAAoB+N,GAAmB,CAClD,IAAIC,EAAY,EAAKT,WAAWQ,GAGhCL,EAAeU,MAAML,GAAoB,EAAKW,iBAAiBtgC,EAASoiB,SAAUpiB,EAASmiB,OAAQyd,SArG7G,EA2GEU,iBAAA,SAAkBle,EAAUD,EAAQyd,GAIlC,IAHA,IACIlY,EAAWC,EADXkY,EAAgB,GAEhBU,GAAkB,EACbjlC,EAAI,EAAGA,EAAIskC,EAAUhlC,OAAQU,IAAK,CAGzC,GAFAosB,EAAYkY,EAAU5qB,MAAM1Z,GAAKjH,KAAK6qC,cACtCvX,EAAUiY,EAAU9jC,IAAIR,GAAKjH,KAAK6qC,cAC9B9c,GAAYsF,GAAavF,GAAUwF,EAAS,CAG9CkY,EAAc5jC,KAAK,CACjBmmB,SAAU1lB,KAAKslB,IAAII,EAAUwd,EAAU5qB,MAAM1Z,IAC7C6mB,OAAQzlB,KAAK0S,IAAI+S,EAAQyd,EAAU9jC,IAAIR,MAEzC,MACK,GAAI8mB,EAAWuF,GAAWxF,EAASuF,EAGxCmY,EAAc5jC,KAAK,CACjBmmB,SAAU1lB,KAAKslB,IAAII,EAAUwd,EAAU5qB,MAAM1Z,IAC7C6mB,OAAQzlB,KAAK0S,IAAI+S,EAAQyd,EAAU9jC,IAAIR,MAEzCilC,GAAkB,OACb,GAAIpe,GAAUuF,EAEnB,MAIJ,MAAO,CACLoY,KAAMD,EACNW,QAASD,IA1If,EA8IEF,eAAA,SAAgBrgC,GACd,OAAUA,EAASpK,KAAnB,IAA2BoK,EAASoxB,MAApC,IAA6CpxB,EAASmxB,MAAtD,IAA+DnxB,EAASqf,IA/I5E,EAuJEohB,mBAAA,SAAoBX,GAAM,IACpBY,EAAahZ,EAAWC,EADJ,OAEpBgZ,EAAe,KACfC,EAAc,EAgBlB,OAfAhsC,OAAOquB,KAAK5uB,KAAKi+B,WAAW97B,SAAQ,SAAA9B,GAClC,IAAM4qC,EAAiB,EAAKhN,UAAU59B,GAClC,EAAKmsC,UAAUvB,KACjB5X,EAAY4X,EAAeC,KAAKnd,SAAW,EAAK8c,cAChDvX,EAAU2X,EAAeC,KAAKpd,OAAS,EAAK+c,cACxCY,GAAQpY,GAAaoY,GAAQnY,IAE/B+Y,EAAchkC,KAAK0S,IAAI0wB,EAAOpY,EAAWC,EAAUmY,GAC/Cc,GAAeF,IACjBC,EAAerB,EAAeC,KAC9BqB,EAAcF,QAKfC,GA1KX,EAiLEG,SAAA,SAAU9gC,GACR,IAAIogC,EAAU/rC,KAAKgsC,eAAergC,GAC9Bs/B,EAAiBjrC,KAAKi+B,UAAU8N,GAChC1lB,EAAQskB,EAYZ,YAVuBh8B,IAAnBs8B,IAIA5kB,EAHG4kB,EAAeE,UAE0B,IAAnCnrC,KAAKwsC,UAAUvB,GAChBN,EAEAA,EAJAA,GAQLtkB,GAhMX,EAmMEmmB,UAAA,SAAWvB,GACT,OAAmC,IAA5BA,EAAeE,gBACax8B,IAA/Bs8B,EAAeU,MAAMvsB,QAA8D,IAAvC6rB,EAAeU,MAAMvsB,MAAM+sB,cACvCx9B,IAA/Bs8B,EAAeU,MAAMtsB,QAA8D,IAAvC4rB,EAAeU,MAAMtsB,MAAM8sB,UAtMhF,EAyMEP,eAAA,SAAgB7d,EAAUD,EAAQyd,GAEhC,IADA,IAAIlY,EAAWC,EACNrsB,EAAI,EAAGA,EAAIskC,EAAUhlC,OAAQU,IAAK,CAGzC,GAFAosB,EAAYkY,EAAU5qB,MAAM1Z,GAAKjH,KAAK6qC,cACtCvX,EAAUiY,EAAU9jC,IAAIR,GAAKjH,KAAK6qC,cAC9B9c,GAAYsF,GAAavF,GAAUwF,EACrC,OAAO,EAGT,GAAIxF,GAAUuF,EAEZ,OAAO,EAIX,OAAO,GAxNX,EA8NEqZ,aAAA,SAAcrqC,GACZ,IAAMsJ,EAAWtJ,EAAEghB,KAGd,YAAgB1X,EAASqf,MAAOrf,EAASghC,cAI9C3sC,KAAKi+B,UAAUj+B,KAAKgsC,eAAergC,IAAa,CAC9Cu/B,KAAMv/B,EACNggC,MAAOprC,OAAO6M,OAAO,MACrB+9B,UAAU,KAzOhB,EAgPEyB,iBAAA,SAAkBvqC,GAAG,WAEnBrC,KAAK8qC,WAAazoC,EAAEyoC,WACpBvqC,OAAOquB,KAAK5uB,KAAK8qC,YAAY3oC,SAAQ,SAAAmpC,GACnC,IAAIC,EAAY,EAAKT,WAAWQ,GAChC,EAAKD,uBAAuBC,EAAkBC,OArPpD,EA4PEsB,eAAA,SAAgBxqC,GACdrC,KAAK8rC,uBAAuBzpC,EAAEghB,OA7PlC,EAqQEypB,YAAA,SAAanhC,GACX,IAAMogC,EAAU/rC,KAAKgsC,eAAergC,GACpC,YAAmCgD,IAA5B3O,KAAKi+B,UAAU8N,IAvQ1B,EA8QEF,eAAA,SAAgBlgC,GACd,IAAIogC,EAAU/rC,KAAKgsC,eAAergC,UAC3B3L,KAAKi+B,UAAU8N,IAhR1B,EAsREgB,mBAAA,WACE/sC,KAAKi+B,UAAY19B,OAAO6M,OAAO,OAvRnC,GAAqCqtB,GCiCtBuS,EAzCM,CAiBnBC,OAAQ,SAAaC,EAAWC,GAM9B,IALA,IAAIC,EAAmB,EACnBC,EAAmBH,EAAK3mC,OAAS,EACjC+mC,EAA8B,KAC9BC,EAA2B,KAExBH,GAAYC,GAAU,CAI3B,IAAIG,EAAmBL,EAFvBI,EAAiBL,EADjBI,GAAgBF,EAAWC,GAAY,EAAI,IAI3C,GAAIG,EAAmB,EACrBJ,EAAWE,EAAe,MACrB,MAAIE,EAAmB,GAG5B,OAAOD,EAFPF,EAAWC,EAAe,GAM9B,OAAO,OCpBEG,EAAb,kCAOSC,WAAP,SAAmBxL,EAAmBtnB,GACpC,IACE,GAAIsnB,EAEF,IADA,IAAIiJ,EAAWjJ,EAAMiJ,SACZlkC,EAAI,EAAGA,EAAIkkC,EAAS5kC,OAAQU,IACnC,GAAI2T,GAAYuwB,EAASxqB,MAAM1Z,IAAM2T,GAAYuwB,EAAS1jC,IAAIR,GAC5D,OAAO,EAIb,MAAO7F,IAKT,OAAO,GAtBX,EAyBSusC,WAAP,SACEzL,EACAlc,EACA4nB,GAOA,IACE,GAAI1L,EAAO,CACT,IAEIj7B,EAFA4mC,EAAY3L,EAAMiJ,SAClBA,EAA8B,GAElC,IAAKlkC,EAAI,EAAGA,EAAI4mC,EAAUtnC,OAAQU,IAChCkkC,EAASvjC,KAAK,CAAE+Y,MAAOktB,EAAUltB,MAAM1Z,GAAIQ,IAAKomC,EAAUpmC,IAAIR,KAGhE,OAAOjH,KAAK8tC,aAAa3C,EAAUnlB,EAAK4nB,IAE1C,MAAOxsC,IAKT,MAAO,CAAEuI,IAAK,EAAGgX,MAAOqF,EAAKve,IAAKue,EAAK+nB,eAAWp/B,IAnDtD,EAsDSm/B,aAAP,SACE3C,EACAnlB,EACA4nB,GAQAzC,EAAS3b,MAAK,SAAUC,EAAG1K,GACzB,IAAIipB,EAAOve,EAAE9O,MAAQoE,EAAEpE,MACvB,OAAIqtB,GAGKjpB,EAAEtd,IAAMgoB,EAAEhoB,OAIrB,IAAIwmC,EAA+B,GACnC,GAAIL,EAIF,IAAK,IAAI3mC,EAAI,EAAGA,EAAIkkC,EAAS5kC,OAAQU,IAAK,CACxC,IAAIinC,EAAUD,EAAU1nC,OACxB,GAAI2nC,EAAS,CACX,IAAIC,EAAUF,EAAUC,EAAU,GAAGzmC,IAEhC0jC,EAASlkC,GAAG0Z,MAAQwtB,EAAWP,EAK9BzC,EAASlkC,GAAGQ,IAAM0mC,IACpBF,EAAUC,EAAU,GAAGzmC,IAAM0jC,EAASlkC,GAAGQ,KAI3CwmC,EAAUrmC,KAAKujC,EAASlkC,SAI1BgnC,EAAUrmC,KAAKujC,EAASlkC,SAI5BgnC,EAAY9C,EAWd,IARA,IAGIiD,EAHAC,EAAY,EAMZC,EAAsBtoB,EACtBuoB,EAAoBvoB,EACf/e,EAAI,EAAGA,EAAIgnC,EAAU1nC,OAAQU,IAAK,CACzC,IAAI0Z,EAAQstB,EAAUhnC,GAAG0Z,MACvBlZ,EAAMwmC,EAAUhnC,GAAGQ,IAErB,GAAKue,EAAM4nB,GAAoBjtB,GAASqF,EAAMve,EAE5C6mC,EAAc3tB,EAEd0tB,GADAE,EAAY9mC,GACYue,OACnB,GAAKA,EAAM4nB,EAAmBjtB,EAAO,CAC1CytB,EAAkBztB,EAClB,OAGJ,MAAO,CAAEhX,IAAK0kC,EAAW1tB,MAAO2tB,EAAa7mC,IAAK8mC,EAAWR,UAAWK,IA/H5E,EAqISI,8BAAP,SAAqCtM,EAAOlc,EAAKyoB,GAC/C,IAAMC,EAAcxM,EAAQA,EAAMwM,iBAAc//B,EAGhD,GAAI8+B,EAAaC,WAAWxL,EAAOwM,GACjC,OAAO1oB,EAIT,IADA,IAAMmlB,EAAWjJ,EAAMiJ,SACdlkC,EAAI,EAAGA,EAAIkkC,EAAS5kC,OAAQU,IAAK,CACxC,IAAM0Z,EAAQwqB,EAASxqB,MAAM1Z,GAG7B,GAAI0Z,EAAQ+tB,GAAe/tB,EAAQ+tB,EAAcD,EAC/C,OAAOpmC,KAAK+U,KAAa,GAARuD,GAAc,GAInC,OAAOqF,GAvJX,K,sBCfO,SAAS2oB,IACd,OAAQ5kC,OAAeg2B,aAAgBh2B,OAAe6kC,kB,WCAjD,IAAMC,EAAb,Y,QAAA,yD,EAAA,G,EAAA,G,6EAAA,YAMEz5B,QAAA,SAASxI,GAA0C,2BAAxBvG,EAAwB,iCAAxBA,EAAwB,kBACjDrG,KAAKmO,KAAL,MAAAnO,KAAA,CAAU4M,EAAOA,GAAjB,OAA2BvG,KAP/B,GAA8B8G,gBCQxB1L,EAASC,cACTq+B,EAAc4O,KAAoB,CAAE3O,gBAAiB,kBAAM,IAwIlD8O,E,WArIb,WAAapU,EAAKjiB,GAAI,WACpBzY,KAAK06B,IAAMA,EACX16B,KAAKyY,GAAKA,EAEV,IAAMxE,EAAWjU,KAAKiU,SAAW,IAAI46B,EAC/B36B,EAASwmB,EAAIxmB,OAEb6lB,EAAiB,SAACC,EAAI3zB,IAC1BA,EAAOA,GAAQ,IACVgd,KAAO,EAAKA,KACjBhd,EAAKoS,GAAK,EAAKA,GACfiiB,EAAItlB,QAAQ4kB,EAAI3zB,IAIlB4N,EAASpF,GAAGwG,IAAMxQ,eAAgBk1B,GAClC9lB,EAASpF,GAAGwG,IAAMvQ,0BAA2Bi1B,GAC7C9lB,EAASpF,GAAGwG,IAAMpQ,kBAAmB80B,GACrC9lB,EAASpF,GAAGwG,IAAMnQ,YAAa60B,GAC/B9lB,EAASpF,GAAGwG,IAAM9P,MAAOw0B,GACzB9lB,EAASpF,GAAGwG,IAAMrQ,sBAAuB+0B,GACzC9lB,EAASpF,GAAGwG,IAAMtQ,sBAAuBg1B,GACzC9lB,EAASpF,GAAGwG,IAAM7Q,eAAgBu1B,GAElC,IAAMva,EAAgB,CACpBuvB,IAAKhP,EAAYC,gBAAgB,aACjCxd,KAAMud,EAAYC,gBAAgB,cAClCvd,IAAKsd,EAAYC,gBAAgB,4BAI7BhT,EAAStW,UAAUsW,OACzB,GAAI9Y,EAAO86B,cAAqC,oBAAZpV,OAA0B,CAE5D,IAAIqV,EADJ3sC,IAAOrB,IAAI,yBAEX,IACEguC,EAAIjvC,KAAKivC,EAAIC,EAAK,IAClBlvC,KAAKmvC,OAASnvC,KAAKovC,gBAAgB9uC,KAAKN,MACxCivC,EAAE/U,iBAAiB,UAAWl6B,KAAKmvC,QACnCF,EAAEI,QAAU,SAAUziC,GACpB8tB,EAAItlB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAWy1B,YAAa/lB,QAASzP,IAAay1B,mBAAoB9lB,OAAO,EAAM7I,MAAO,gBAAiBoI,IAAK,CAAEG,QAASvI,EAAMuI,QAAU,KAAOvI,EAAM0iC,SAAW,IAAM1iC,EAAM2iC,OAAS,QAEvNN,EAAEhV,YAAY,CAAEE,IAAK,OAAQ3a,cAAeA,EAAewN,OAAQA,EAAQvU,GAAIA,EAAIvE,OAAQ8kB,KAAKC,UAAU/kB,KAC1G,MAAOc,GACP1S,IAAOpB,KAAK,mBAAoB8T,GAChC1S,IAAOlB,MAAM,qEACT6tC,GAEFxtC,EAAO63B,IAAIkW,gBAAgBP,EAAEpV,WAE/B75B,KAAKizB,QAAU,IAAID,IAAc/e,EAAUuL,EAAetL,EAAQ8Y,GAClEhtB,KAAKivC,OAAItgC,QAGX3O,KAAKizB,QAAU,IAAID,IAAc/e,EAAUuL,EAAetL,EAAQ8Y,G,2BAItEjZ,QAAA,WACE,IAAIk7B,EAAIjvC,KAAKivC,EACb,GAAIA,EACFA,EAAEQ,oBAAoB,UAAWzvC,KAAKmvC,QACtCF,EAAES,YACF1vC,KAAKivC,EAAI,SACJ,CACL,IAAIhc,EAAUjzB,KAAKizB,QACfA,IACFA,EAAQlf,UACR/T,KAAKizB,QAAU,MAGnB,IAAMhf,EAAWjU,KAAKiU,SAClBA,IACFA,EAASnF,qBACT9O,KAAKiU,SAAW,O,EAIpBrM,KAAA,SAAMvB,EAAM+R,EAAajC,EAAYkC,EAAYgL,EAAM/K,EAAUY,EAAoBka,GACnF,IAAM6b,EAAIjvC,KAAKivC,EACTj2B,EAAa,YAAgBqK,EAAK0K,UAAY1K,EAAK0K,SAAW1K,EAAK1C,MACnEnD,EAAc6F,EAAK7F,YACnBmyB,EAAW3vC,KAAKqjB,KAChB6P,IAAkByc,GAAatsB,EAAKsZ,KAAOgT,EAAShT,IACpDxJ,IAAgBwc,GAAatsB,EAAK0Z,QAAU4S,EAAS5S,OACrD6S,EAASD,GAAatsB,EAAK2H,KAAQ2kB,EAAS3kB,GAAK,EACjD/R,GAAcka,GAAeyc,EAUnC,GATI1c,GACF5wB,IAAOrB,IAAOjB,KAAKyY,GAAnB,2BAGE0a,GACF7wB,IAAOrB,IAAOjB,KAAKyY,GAAnB,oBAGFzY,KAAKqjB,KAAOA,EACR4rB,EAEFA,EAAEhV,YAAY,CAAEE,IAAK,QAAS9zB,OAAMmX,cAAapF,cAAajC,aAAYkC,aAAYW,aAAYka,gBAAeC,cAAala,aAAYX,WAAUY,qBAAoBka,kBAAkB/sB,aAAgBwpC,YAAc,CAACxpC,GAAQ,QAC5N,CACL,IAAI4sB,EAAUjzB,KAAKizB,QACfA,GACFA,EAAQrrB,KAAKvB,EAAMmX,EAAapF,EAAajC,EAAYkC,EAAYW,EAAYka,EAAeC,EAAala,EAAYX,EAAUY,EAAoBka,K,EAK7Jgc,gBAAA,SAAiBpV,GACf,IAAI3zB,EAAO2zB,EAAG3zB,KACZq0B,EAAM16B,KAAK06B,IACb,OAAQr0B,EAAKuG,OACb,IAAK,OAEHnL,EAAO63B,IAAIkW,gBAAgBxvC,KAAKivC,EAAEpV,WAClC,MAEF,KAAKxkB,IAAMpQ,kBACToB,EAAKA,KAAK8qB,MAAQ,IAAIjpB,WAAW7B,EAAK8qB,OAClC9qB,EAAK+qB,QACP/qB,EAAKA,KAAK+qB,MAAQ,IAAIlpB,WAAW7B,EAAK+qB,QAI1C,QACE/qB,EAAKA,KAAOA,EAAKA,MAAQ,GACzBA,EAAKA,KAAKgd,KAAOrjB,KAAKqjB,KACtBhd,EAAKA,KAAKoS,GAAKzY,KAAKyY,GACpBiiB,EAAItlB,QAAQ/O,EAAKuG,MAAOvG,EAAKA,Q,KCrI5B,SAASypC,EAAY/S,EAAOx7B,EAAMkX,GACvC,OAAQlX,GACR,IAAK,QACEw7B,EAAMgT,gBACThT,EAAMgT,cAAgB,IAExBhT,EAAMgT,cAAcnoC,KAAK6Q,GACzB,MACF,IAAK,OACEskB,EAAMiT,eACTjT,EAAMiT,aAAe,IAEvBjT,EAAMiT,aAAapoC,KAAK6Q,IAKrB,SAASw3B,EAAWhS,EAAWiS,EAASC,GAC7C,IAAIC,EAAWnS,EAAUiS,GAAUG,EAASpS,EAAUkS,GAAQG,EAAYD,EAAOtiB,SAE7E,YAAgBuiB,GAGdH,EAAQD,GACVE,EAAS93B,SAAWg4B,EAAYF,EAASzvB,MACrCyvB,EAAS93B,SAAW,GACtBhW,IAAOpB,KAAP,uCAAmDkvC,EAASplB,GAA5D,UAAwEolB,EAASrT,MAAjF,0EAGFsT,EAAO/3B,SAAW83B,EAASzvB,MAAQ2vB,EAC/BD,EAAO/3B,SAAW,GACpBhW,IAAOpB,KAAP,uCAAmDmvC,EAAOrlB,GAA1D,UAAsEqlB,EAAOtT,MAA7E,yEAMFsT,EAAO1vB,MADLwvB,EAAQD,EACKE,EAASzvB,MAAQyvB,EAAS93B,SAE1BjQ,KAAKslB,IAAIyiB,EAASzvB,MAAQ0vB,EAAO/3B,SAAU,GAKzD,SAASi4B,GAAkBh7B,EAAS8N,EAAM0K,EAAUD,EAAQuD,EAAUC,GAE3E,IAAIkf,EAAcziB,EAClB,GAAI,YAAgB1K,EAAK0K,UAAW,CAElC,IAAIuO,EAAWj0B,KAAK0e,IAAI1D,EAAK0K,SAAWA,GACnC,YAAgB1K,EAAKiZ,UAGxBjZ,EAAKiZ,SAAWj0B,KAAKslB,IAAI2O,EAAUjZ,EAAKiZ,UAFxCjZ,EAAKiZ,SAAWA,EAKlBkU,EAAcnoC,KAAKslB,IAAII,EAAU1K,EAAK0K,UACtCA,EAAW1lB,KAAK0S,IAAIgT,EAAU1K,EAAK0K,UACnCD,EAASzlB,KAAKslB,IAAIG,EAAQzK,EAAKyK,QAC/BuD,EAAWhpB,KAAK0S,IAAIsW,EAAUhO,EAAKgO,UACnCC,EAASjpB,KAAKslB,IAAI2D,EAAQjO,EAAKiO,QAGjC,IAAMmf,EAAQ1iB,EAAW1K,EAAK1C,MAC9B0C,EAAK1C,MAAQ0C,EAAK0K,SAAWA,EAC7B1K,EAAKmtB,YAAcA,EACnBntB,EAAKyK,OAASA,EACdzK,EAAKgO,SAAWA,EAChBhO,EAAKiO,OAASA,EACdjO,EAAK/K,SAAWwV,EAASC,EAEzB,IAMI2iB,EAASzS,EAAWh3B,EANlB+jB,EAAK3H,EAAK2H,GAEhB,IAAKzV,GAAWyV,EAAKzV,EAAQ8oB,SAAWrT,EAAKzV,EAAQyoB,MACnD,OAAO,EAaT,IATA0S,EAAU1lB,EAAKzV,EAAQ8oB,SACvBJ,EAAY1oB,EAAQ0oB,WAMVyS,GAAWrtB,EAEhBpc,EAAIypC,EAASzpC,EAAI,EAAGA,IACvBgpC,EAAUhS,EAAWh3B,EAAGA,EAAI,GAI9B,IAAKA,EAAIypC,EAASzpC,EAAIg3B,EAAU13B,OAAS,EAAGU,IAC1CgpC,EAAUhS,EAAWh3B,EAAGA,EAAI,GAI9B,OADAsO,EAAQo7B,UAAW,EACZF,EAyEF,SAASG,GAAyBC,EAAaC,EAAaC,GACjE,GAAKF,GAAgBC,EAQrB,IAJA,IAAMnwB,EAAQtY,KAAKslB,IAAIkjB,EAAYxS,QAASyS,EAAYzS,SAAWyS,EAAYzS,QACzE52B,EAAMY,KAAK0S,IAAI81B,EAAY7S,MAAO8S,EAAY9S,OAAS8S,EAAYzS,QACnEtO,EAAQ+gB,EAAYzS,QAAUwS,EAAYxS,QAEvCp3B,EAAI0Z,EAAO1Z,GAAKQ,EAAKR,IAAK,CACjC,IAAM+pC,EAAUH,EAAY5S,UAAUlO,EAAQ9oB,GACxCgqC,EAAUH,EAAY7S,UAAUh3B,GACtC,IAAK+pC,IAAYC,EACf,MAEFF,EAAeC,EAASC,EAAShqC,IChMrC,IAYeiqC,GAZI,CACjB5rB,SAAU,SAAUqR,GAGlB,IAFA,IAAI11B,EAAM,GACN0I,EAAMgtB,EAAEpwB,OACHU,EAAI,EAAGA,EAAI0C,EAAK1C,IACvBhG,GAAO,IAAM01B,EAAEhW,MAAM1Z,GAAGkqC,QAAQ,GAAK,IAAMxa,EAAElvB,IAAIR,GAAGkqC,QAAQ,GAAK,IAGnE,OAAOlwC,IC+CJ,SAASmwC,GAAWC,EAAS97B,GAClCA,EAAQ0oB,UAAU97B,SAAQ,SAACkhB,GACzB,GAAIA,EAAM,CACR,IAAI1C,EAAQ0C,EAAK1C,MAAQ0wB,EACzBhuB,EAAK1C,MAAQ0C,EAAK0K,SAAWpN,EAC7B0C,EAAKyK,OAASnN,EAAQ0C,EAAK/K,aAG/B/C,EAAQo7B,UAAW,EAad,SAASW,GAAa3B,EAAU4B,EAAWh8B,IAgB3C,SAA+Bo6B,EAAUp6B,EAASg8B,GACvD,GApEK,SAAuC5B,EAAU4B,EAAWh8B,GACjE,IAAIi8B,GAAc,EAMlB,OALID,GAAaA,EAAUh8B,SAAWA,IAChCA,EAAQwoB,MAAQxoB,EAAQ6oB,SAAYuR,GAAYA,EAAShT,GAAKpnB,EAAQ6oB,WACxEoT,GAAc,GAGXA,EA6DHC,CAA6B9B,EAAU4B,EAAWh8B,GAAU,CAC9D,IAAMm8B,EA1DH,SAAyCC,EAAaC,GAC3D,IAAMC,EAAYF,EAAY1T,UACxB6T,EAAWF,EAAW3T,UAE5B,GAAK6T,EAASvrC,QAAWsrC,EAAUtrC,OAAnC,CAKA,IAAMwrC,EA9CD,SAA8B9T,EAAWtB,GAG9C,IAFA,IAAIqV,EAAY,KAEP/qC,EAAI,EAAGA,EAAIg3B,EAAU13B,OAAQU,GAAK,EAAG,CAC5C,IAAMgrC,EAAchU,EAAUh3B,GAC9B,GAAIgrC,GAAeA,EAAYtV,KAAOA,EAAI,CACxCqV,EAAYC,EACZ,OAIJ,OAAOD,EAmCeE,CAAoBL,EAAWC,EAAS,GAAGnV,IAEjE,GAAKoV,KAAkBA,GAAkBA,EAAchkB,UAKvD,OAAOgkB,EAJLzvC,IAAOrB,IAAI,8CAPXqB,IAAOrB,IAAI,yBAqDWkxC,CAA+BZ,EAAUh8B,QAASA,GACpEm8B,IACFpvC,IAAOrB,IAAI,0EACXmwC,GAAUM,EAAc/wB,MAAOpL,KApBnC68B,CAAqBzC,EAAUp6B,EAASg8B,IACnCh8B,EAAQo7B,UAAYY,GA6BpB,SAAmBh8B,EAAS88B,GACjC,GAAIA,GAAeA,EAAYpU,UAAU13B,OAAQ,CAC/C,IAAKgP,EAAQ+8B,qBAAuBD,EAAYC,mBAC9C,OAKF,IAAIC,EAAUF,EAAYpU,UAAU,GAAGzB,gBAGnC6U,GAFS97B,EAAQ0oB,UAAU,GAAGzB,gBAEV+V,GAAW,IAAOF,EAAYpU,UAAU,GAAGtd,MAC/D,YAAgB0wB,KAClB/uC,IAAOrB,IAAP,sDAAiEowC,EAAQF,QAAQ,IACjFC,GAAUC,EAAS97B,KAvCrBi9B,CAASj9B,EAASg8B,EAAUh8B,SCvBzB,SAASk9B,GAA6BlE,EAAeE,EAA4BiE,QAAqB,IAAhEnE,MAAY,QAAoD,IAAjDE,MAAyB,GAenF,IAAIkE,EAA2BtqC,KAAK0S,IAAI0zB,EAAwBiE,EAAUp6B,UAAYo6B,EAAUpW,SAAWoW,EAAUpW,SAAW,IAChI,OAAIoW,EAAU/xB,MAAQ+xB,EAAUp6B,SAAWq6B,GAA4BpE,EAC9D,EACEmE,EAAU/xB,MAAQgyB,EAA2BpE,GAAamE,EAAU/xB,OAErE,EAGH,EAWF,SAASiyB,GAAwBC,EAAsBpE,EAAgCiE,GAC5F,IAAIC,EAAkI,IAAvGtqC,KAAK0S,IAAI0zB,EAAwBiE,EAAUp6B,UAAYo6B,EAAUpW,SAAWoW,EAAUpW,SAAW,IAIhI,OAD2BoW,EAAUxO,oBAAsB,GAC/ByO,EAA2BE,ECjGlD,IAKcC,G,WACnB,WAAa5+B,EAAQguB,EAAO6Q,EAAiBrY,GAC3C16B,KAAKkU,OAASA,EACdlU,KAAKkiC,MAAQA,EACbliC,KAAK+yC,gBAAkBA,EACvB/yC,KAAK06B,IAAMA,EACX16B,KAAKgzC,WAAa,EAClBhzC,KAAKizC,eAAgB,EACrBjzC,KAAKkzC,QAAU,KACflzC,KAAKmzC,OAAQ,EACbnzC,KAAKozC,SAAU,E,2BASjBC,KAAA,SAAMC,GAAiB,IACbp/B,EAA2BlU,KAA3BkU,OAAQguB,EAAmBliC,KAAnBkiC,MAAOgR,EAAYlzC,KAAZkzC,QACfxE,EAAyBxM,EAAzBwM,YAAa0E,EAAYlR,EAAZkR,QACfG,EAASvzC,KAAKozC,UAAYA,EAC1BI,GAAaxzC,KAAKozC,SAAWA,EAKnC,GAHApzC,KAAKozC,QAAUA,EAGX1E,IAAgB4E,GA0BpB,IAVIE,GAAaD,KACfvzC,KAAKkzC,QAAU,MAGelzC,KAAKkU,OAA7Bu/B,sBACoBL,GAAWG,IACrCvzC,KAAK0zC,+BAIHxR,EAAMyR,SAAUzR,EAAM0R,OAAgC,IAAvB1R,EAAM2R,cAAuB3R,EAAMiJ,SAAS5kC,OAA/E,CAIA,IAAMonC,EAAaF,EAAaE,WAAWzL,EAAOwM,EAAa,GACzDhB,EAAaC,EAAWhkC,IAAM,EAC9BokC,EAAYJ,EAAWI,WAAa,EAG1C,GAAKL,GAAeK,EAApB,CAIA,GAAIqF,EAAS,CAKX,GAHwBzF,EAAWhkC,IAzEP,KA2EPokC,GAAaA,EAAYW,EA3ElB,GA6E1B,OAGF1uC,KAAKmzC,OAAQ,EAKf,IAAKnzC,KAAKmzC,OAASnzC,KAAKkzC,QAAS,CAE/B,IAAMY,EAAYzrC,KAAKslB,IAAIogB,EAAWJ,EAAWhtB,OAAS,GAAK+tB,EAC/D,GAAIoF,EAAY,GAAKA,GAxFO,EA0F1B,YADA9zC,KAAK+zC,mBAAmB,MAM5B,IAAMC,EAAOhqC,KAAK8oB,YAAYlG,MAC9B,GAAgB,OAAZsmB,EAAJ,CAKA,IAAMe,EAAkBD,EAAOd,GAC1BE,GAAWa,GAvGqB,KAyGnCj0C,KAAKk0C,aAAavG,EAAWhkC,KAG/B,IAAMwqC,EAAoB1G,EAAaE,WAAWzL,EAAOwM,EAAax6B,EAAO6c,eAC7E/wB,KAAKo0C,mBAAmBD,EAAmBF,QAXzCj0C,KAAKkzC,QAAUc,SA/Df,GADAh0C,KAAKmzC,OAAQ,EACG,OAAZD,EAAkB,CAEpB,GAAIlzC,KAAKizC,cAAe,CACtB,IAAMgB,EAAkBjqC,KAAK8oB,YAAYlG,MAAQsmB,EACjD5wC,IAAOpB,KAAP,+BAA2CwtC,EAA3C,WAAiErmC,KAAKC,MAAM2rC,GAA5E,MACAj0C,KAAKizC,eAAgB,EAEvBjzC,KAAKkzC,QAAU,KACflzC,KAAKgzC,WAAa,I,EAuExBU,4BAAA,WACE,IAAMxR,EAAQliC,KAAKkiC,MACbwM,EAAcxM,EAAQA,EAAMwM,iBAAc//B,EACxC8/B,EAA2BzuC,KAAKkU,OAAhCu6B,uBAKF4F,EACJ5G,EAAae,8BAA8BtM,EAAOwM,EAAaD,GAEjE,OAAIC,IAAgB2F,IAClB/xC,IAAOrB,IAAP,uDAAkEozC,GAClEnS,EAAMwM,YAAc2F,GACb,I,EAYXD,mBAAA,SAAoBzG,EAAY2G,GAAmB,IACzCpgC,EAAmClU,KAAnCkU,OAAQ6+B,EAA2B/yC,KAA3B+yC,gBACVrE,EADqC1uC,KAAVkiC,MACPwM,YAEpBvC,EAAU4G,EAAgB3G,mBAAmBsC,GACnD,GAAIvC,GAGiBnsC,KAAK+zC,mBAAmB5H,GAIzC,OAQAwB,EAAWhkC,IAAMuK,EAAO6c,eAC1BujB,EAAsD,IAAlCpgC,EAAOqgC,2BAC3BjyC,IAAOpB,KAAK,6CAIZlB,KAAKkzC,QAAU,KACflzC,KAAKw0C,oB,EASTN,aAAA,SAAc7F,GAAW,IACf3T,EAA8B16B,KAA9B06B,IAAKwH,EAAyBliC,KAAzBkiC,MAAyBliC,KAAlBizC,gBAGlBjzC,KAAKizC,eAAgB,EACrB3wC,IAAOpB,KAAP,yBAAqCghC,EAAMwM,YAA3C,sBACAhU,EAAItlB,QAAQC,IAAM9P,MAAO,CACvBhE,KAAMsE,IAAWyP,YACjBC,QAASzP,IAAa2uC,qBACtBh/B,OAAO,EACP/M,OAAQ2lC,M,EAUd0F,mBAAA,SAAoB5H,GAKlB,IAL2B,IACnBj4B,EAAuBlU,KAAvBkU,OAAQwmB,EAAe16B,KAAf06B,IAAKwH,EAAUliC,KAAVkiC,MACfwM,EAAcxM,EAAMwM,YACtBgG,EAAc,EAETztC,EAAI,EAAGA,EAAIi7B,EAAMiJ,SAAS5kC,OAAQU,IAAK,CAC9C,IAAMosB,EAAY6O,EAAMiJ,SAASxqB,MAAM1Z,GACvC,GAAIynC,EAAcx6B,EAAO6c,eAAiB2jB,GAAehG,EAAcrb,EAAW,CAChF,IAAMshB,EAAatsC,KAAKslB,IAAI0F,EAzMG,IAyMkC6O,EAAMwM,YA1MlC,IAwNrC,OAbApsC,IAAOpB,KAAP,6CAAyDwtC,EAAzD,OAA2EiG,GAC3E30C,KAAKmzC,OAAQ,EACbnzC,KAAKkzC,QAAU,KACfhR,EAAMwM,YAAciG,EAChBxI,GACFzR,EAAItlB,QAAQC,IAAM9P,MAAO,CACvBhE,KAAMsE,IAAWyP,YACjBC,QAASzP,IAAa8uC,sBACtBn/B,OAAO,EACPC,OAAQ,mDAAmDg5B,EAArD,OAAuEiG,EAC7EtxB,KAAM8oB,IAGHwI,EAETD,EAAcxS,EAAMiJ,SAAS1jC,IAAIR,GAEnC,OAAO,G,EAOTutC,gBAAA,WAAmB,IACTtgC,EAAuBlU,KAAvBkU,OAAQwmB,EAAe16B,KAAf06B,IAAKwH,EAAUliC,KAAVkiC,MACfwM,EAAcxM,EAAMwM,YACpBsE,GAAchzC,KAAKgzC,YAAc,GAAK,EAG5C,GAFAhzC,KAAKgzC,WAAaA,EAEdA,EAAa9+B,EAAO2gC,cAAe,CACrC,IAAMF,EAAajG,EAAcsE,EAAa9+B,EAAO4gC,YAErDxyC,IAAOpB,KAAP,8BAA0CwtC,EAA1C,OAA4DiG,GAC5DzS,EAAMwM,YAAciG,EAEpBja,EAAItlB,QAAQC,IAAM9P,MAAO,CACvBhE,KAAMsE,IAAWyP,YACjBC,QAASzP,IAAaivC,sBACtBt/B,OAAO,SAGTnT,IAAOlB,MAAP,yDAAsEstC,EAAtE,UAA2Fx6B,EAAO2gC,cAAlG,WACAna,EAAItlB,QAAQC,IAAM9P,MAAO,CACvBhE,KAAMsE,IAAWyP,YACjBC,QAASzP,IAAa2uC,qBACtBh/B,OAAO,K,iIC3PR,IAAMu/B,GACF,UADEA,GAGL,OAHKA,GAKE,cALFA,GAMG,eANHA,GAOiB,6BAPjBA,GASF,UATEA,GAUH,SAVGA,GAWM,kBAXNA,GAYJ,QAZIA,GAaJ,QAbIA,GAeI,gB,uKCAjB,IAozCeC,G,oBAjzCb,WAAava,EAAKqY,GAAiB,aACjC,cAAMrY,EACJrlB,IAAM5S,eACN4S,IAAM3S,gBACN2S,IAAMjS,iBACNiS,IAAM/R,gBACN+R,IAAM3R,aACN2R,IAAM3P,WACN2P,IAAMzQ,YACNyQ,IAAM1Q,4BACN0Q,IAAMvQ,0BACNuQ,IAAMpQ,kBACNoQ,IAAMnQ,YACNmQ,IAAM9P,MACN8P,IAAMtR,sBACNsR,IAAMrR,qBACNqR,IAAMvS,eACNuS,IAAMrS,gBACNqS,IAAMlS,iBAjBR,MAmBK4vC,gBAAkBA,EACvB,EAAK7+B,OAASwmB,EAAIxmB,OAClB,EAAKghC,gBAAiB,EACtB,EAAKC,OAASH,GACd,EAAK/B,eAAgB,EACrB,EAAKmC,cAAgB,KACrB,EAAKC,UAAW,EA1BiB,E,wHA6BnCC,UAAA,SAAWC,GACT,GAAIv1C,KAAKkhC,OAAQ,CACf,IAAIoS,EAAkBtzC,KAAKszC,gBAAiB5Y,EAAM16B,KAAK06B,IAKvD,GAJA16B,KAAKw1C,WACLx1C,KAAKy1C,YApCW,KAqChBz1C,KAAK+8B,OAAS,EACd/8B,KAAK01C,cAAgB,GAChB11C,KAAK21C,mBAAoB,CAE5B,IAAIC,EAAalb,EAAIkb,YACD,IAAhBA,IAEFA,EAAa,EACb51C,KAAK2sC,aAAc,GAIrB3sC,KAAK+8B,MAAQrC,EAAImb,cAAgBD,EACjC51C,KAAK81C,gBAAiB,EAGpBxC,EAAkB,IAAwB,IAAnBiC,IACzBjzC,IAAOrB,IAAP,gDAA2DqyC,EAAgBnC,QAAQ,IACnFoE,EAAgBjC,GAElBtzC,KAAKqmB,MAAQ2uB,GACbh1C,KAAK+1C,iBAAmB/1C,KAAKu1C,cAAgBv1C,KAAKszC,gBAAkBiC,EACpEv1C,KAAKg2C,YAELh2C,KAAKi2C,gBAAiB,EACtBj2C,KAAKqmB,MAAQ2uB,I,EAIjBQ,SAAA,WACEx1C,KAAKi2C,gBAAiB,EACtB,YAAMT,SAAN,Y,EAGFU,OAAA,WACE,OAAQl2C,KAAKqmB,OACb,KAAK2uB,GAEHh1C,KAAK01C,cAAgB,EACrB,MACF,KAAKV,GACHh1C,KAAKm2C,cACL,MACF,KAAKnB,GACH,IAAIjY,EAAQ/8B,KAAKkhC,OAAOlhC,KAAK+8B,OAEzBA,GAASA,EAAMxnB,UACjBvV,KAAKqmB,MAAQ2uB,IAGf,MACF,KAAKA,GACH,IAAIpoB,EAAM7iB,OAAO+oB,YAAYlG,MACzBwpB,EAAYp2C,KAAKo2C,YAEhBA,GAAcxpB,GAAOwpB,GAAep2C,KAAKkiC,OAASliC,KAAKkiC,MAAMkR,WAChE9wC,IAAOrB,IAAI,iEACXjB,KAAKqmB,MAAQ2uB,IAcjBh1C,KAAKq2C,eAELr2C,KAAKs2C,yB,EAMPH,YAAA,WACE,IAAMzb,EAAM16B,KAAK06B,IACfxmB,EAASwmB,EAAIxmB,OACbguB,EAAQliC,KAAKkiC,MAKf,QAA6BvzB,IAAzB3O,KAAKu2C,kBACNrU,IAAUliC,KAAK21C,oBAAuBzhC,EAAOsiC,mBADhD,CAMA,IAAIxwB,EAEFA,EADEhmB,KAAK81C,eACD5T,EAAMwM,YAEN1uC,KAAK+1C,iBAIb,IAAIhZ,EAAQrC,EAAImb,cACdY,EAAYz2C,KAAKkhC,OAAOnE,GAE1B,GAAK0Z,EAAL,CAIA,IACEC,EADEC,EAAeF,EAAU9U,QAK3B+U,EADEC,EACUtuC,KAAKslB,IAAI,EAAIzZ,EAAO0iC,cAAgBD,EAAcziC,EAAO2iC,iBAEzD3iC,EAAO2iC,gBAGrBH,EAAYruC,KAAK0S,IAAI27B,EAAWxiC,EAAO4iC,oBAKvC,IAAMnJ,EAAaF,EAAaE,WAAW3tC,KAAK+2C,YAAc/2C,KAAK+2C,YAAc7U,EAAOlc,EAAK9R,EAAO6c,eAClGsd,EAAYV,EAAWhkC,IAEzB,KAAI0kC,GAAaqI,GAAjB,CAKAp0C,IAAOvB,MAAP,oBAAiCstC,EAAU8C,QAAQ,GAAnD,oBAAyEuF,EAAUvF,QAAQ,GAA3F,mCAGAnxC,KAAK+8B,MAAQrC,EAAImb,cAAgB9Y,EAEjC,IAAMmL,EAAeuO,EAAUlhC,QAI/B,IAAK2yB,GAAiBA,EAAahK,MAAQl+B,KAAKu2C,kBAAoBxZ,EAClE/8B,KAAKqmB,MAAQ2uB,OADf,CAKA,GAAIh1C,KAAKg3C,aAAarJ,EAAYzF,GAAe,CAC/C,IAAM7hC,EAAO,GAOb,OANIrG,KAAKq1C,WACPhvC,EAAK9E,KAAO,SAGdvB,KAAK06B,IAAItlB,QAAQC,IAAMpS,WAAYoD,QACnCrG,KAAKqmB,MAAQ2uB,IAIfh1C,KAAKi3C,mBAAmBjxB,EAAK2nB,EAAYzF,Q,EAG3C+O,mBAAA,SAAoBjxB,EAAK2nB,EAAYzF,GACnC,IAAMgP,EAAel3C,KAAKk3C,aACxBna,EAAQ/8B,KAAK+8B,MACbkB,EAAYiK,EAAajK,UACzBkZ,EAAUlZ,EAAU13B,OAGtB,GAAgB,IAAZ4wC,EAAJ,CAKA,IAGE9zB,EAHE1C,EAAQsd,EAAU,GAAGtd,MACvBlZ,EAAMw2B,EAAUkZ,EAAU,GAAGx2B,MAAQsd,EAAUkZ,EAAU,GAAG7+B,SAC5Di2B,EAAYZ,EAAWlmC,IAGzB,GAAIygC,EAAa9vB,cAAgB8vB,EAAa9vB,YAAY/R,KACxDgd,EAAO6kB,EAAa9vB,iBAGpB,GAAI8vB,EAAahK,KAAM,CACrB,IAAIkZ,EAA0Bp3C,KAAKkU,OAAOkjC,wBAC1C,GAAID,EAAUC,EAEZ,YADA90C,IAAOpB,KAAP,mEAA+Ei2C,EAA/E,MAA4FC,GAM9F,GAAa,QAFb/zB,EAAOrjB,KAAKq3C,2BAA2BnP,EAAcqG,EAAW5tB,EAAOlZ,EAAKyvC,EAAcjZ,EAAWkZ,IAGnG,YAIE5I,EAAY5tB,IACd0C,EAAO4a,EAAU,IAIlB5a,IACHA,EAAOrjB,KAAKs3C,cAAc32B,EAAOu2B,EAAcC,EAASlZ,EAAWsQ,EAAW9mC,EAAKygC,IAGjF7kB,IACEA,EAAKk0B,WACPj1C,IAAOrB,IAAP,mBAA8BoiB,EAAK2H,GAAnC,QAA6Ckd,EAAa7J,QAA1D,KAAsE6J,EAAalK,MAAnF,WAAmGjB,GACnG/8B,KAAKw3C,SAASn0B,KAEd/gB,IAAOrB,IAAP,WAAsBoiB,EAAK2H,GAA3B,QAAqCkd,EAAa7J,QAAlD,KAA8D6J,EAAalK,MAA3E,WAA2FjB,EAA3F,iBAAiH/W,EAAImrB,QAAQ,GAA7H,cAA6I5C,EAAU4C,QAAQ,IAC/JnxC,KAAKy3C,cAAcp0B,O,EAKzBg0B,2BAAA,SAA4BnP,EAAcqG,EAAW5tB,EAAOlZ,EAAKyvC,EAAcjZ,EAAWkZ,GACxF,IAEI9zB,EAFEnP,EAASlU,KAAK06B,IAAIxmB,OAAQguB,EAAQliC,KAAKkiC,MAMzCwV,OAA+C/oC,IAAlCuF,EAAOyjC,uBAAuCzjC,EAAOyjC,uBAAyBzjC,EAAO0jC,4BAA8B1P,EAAa3J,eAEjJ,GAAIgQ,EAAYlmC,KAAKslB,IAAIhN,EAAQzM,EAAOu6B,uBAAwBhnC,EAAMiwC,GAAa,CACjF,IAAIG,EAAmB73C,KAAK63C,iBAAmB73C,KAAK83C,oBAAoBn3B,EAAOunB,GAC/EqG,EAAYsJ,EACR3V,IAAUA,EAAMyR,QAAUzR,EAAM6V,YAAc7V,EAAM5pB,SAAWu/B,GAAoBA,EAAmB3V,EAAMwM,cAC9GpsC,IAAOrB,IAAP,eAA0BstC,EAAU4C,QAAQ,GAA5C,qFAAmI0G,EAAiB1G,QAAQ,IAC5JjP,EAAMwM,YAAcmJ,GAGtB73C,KAAK+1C,iBAAmB8B,EAa1B,GAAI3P,EAAayI,UAAYpC,EAAY9mC,GAAOy6B,GAASA,EAAM6V,WAC7D,OAAO,KAGT,GAAI/3C,KAAK21C,qBAAuBzN,EAAayI,SAAU,CAKrD,GAAIuG,EACF,GAAIhP,EAAaoK,mBAEfhwC,IAAOrB,IAAP,+DAA0Ei2C,EAAa1a,iBACvFnZ,EHhTH,SAA4B4a,EAA4B+Z,EAAyBvJ,GACtF,GAAiB,OAAbuJ,IAAsB/pC,MAAMgqC,QAAQha,KAAeA,EAAU13B,SAAW,YAAgByxC,GAC1F,OAAO,KAKT,GAAIA,GADa/Z,EAAU,GAAGzB,iBACF,GAC1B,OAAO,KAIT,GAAIwb,IADW/Z,EAAUA,EAAU13B,OAAS,GAAG29B,oBACpB,GACzB,OAAO,KAGTuK,EAAyBA,GAA0B,EACnD,IAAK,IAAIyJ,EAAM,EAAGA,EAAMja,EAAU13B,SAAU2xC,EAAK,CAC/C,IAAI70B,EAAO4a,EAAUia,GACrB,GAAItF,GAAuBoF,EAAUvJ,EAAwBprB,GAC3D,OAAOA,EAIX,OAAO,KGwRQ80B,CAAkBla,EAAWiZ,EAAahT,mBAAoBhwB,EAAOu6B,4BACvE,CAEL,IAAM2J,EAAWlB,EAAalsB,GAAK,EACnC,GAAIotB,GAAYlQ,EAAa7J,SAAW+Z,GAAYlQ,EAAalK,MAAO,CACtE,IAAMqa,EAAWpa,EAAUma,EAAWlQ,EAAa7J,SAC/C6Y,EAAava,KAAO0b,EAAS1b,KAC/BtZ,EAAOg1B,EACP/1C,IAAOrB,IAAP,8DAAyEoiB,EAAK2H,KAK7E3H,IACHA,EAAO2pB,EAAaC,OAAOhP,GAAW,SAAU5a,GAC9C,OAAO6zB,EAAava,GAAKtZ,EAAKsZ,QAG9Br6B,IAAOrB,IAAP,8DAAyEoiB,EAAK2H,IAKjF3H,IAIHA,EAAO4a,EAAU51B,KAAK0S,IAAIo8B,EAAU,EAAG9uC,KAAKC,MAAM6uC,EAAU,KAC5D70C,IAAOrB,IAAP,kEAA6EoiB,EAAK2H,KAItF,OAAO3H,G,EAGTi0B,cAAA,SAAe32B,EAAO23B,EAAkBC,EAAoBta,EAAWsQ,EAAW9mC,EAAKygC,GACrF,IACIsQ,EADEtkC,EAASlU,KAAK06B,IAAIxmB,OAGpBq6B,EAAY9mC,EAId+wC,EHtTC,SAA4BtB,EAAwBjZ,EAA4BsQ,EAAuBE,QAAqD,IAA5EF,MAAoB,QAAwD,IAArDE,MAAiC,GAC7I,IAAM4J,EAAWnB,EAAejZ,EAAUiZ,EAAalsB,GAAgBiT,EAAU,GAAGjT,GAAgB,GAAK,KAEzG,OAAIqtB,IAAa5F,GAA4BlE,EAAWE,EAAwB4J,GACvEA,EAEFrL,EAAaC,OAAOhP,EAAWwU,GAA4BnyC,KAAK,KAAMiuC,EAAWE,IGgTrEgK,CAAkBH,EAAkBra,EAAWsQ,EAHrCA,EAAY9mC,EAAMyM,EAAOu6B,uBAA0B,EAAIv6B,EAAOu6B,wBAMvF+J,EAAeva,EAAUsa,EAAqB,GAGhD,GAAIC,EAAc,CAChB,IAAME,EAAWF,EAAaxtB,GAAKkd,EAAa7J,QAC1Csa,EAAYL,GAAoBE,EAAazb,QAAUub,EAAiBvb,MACxE6b,EAAa3a,EAAUya,EAAW,GAClCG,EAAa5a,EAAUya,EAAW,GAGxC,GAAIJ,GAAoBE,EAAaxtB,KAAOstB,EAAiBttB,GAC3D,GAAI2tB,IAAcH,EAAaM,YAC7B,GAAIN,EAAaxtB,GAAKkd,EAAalK,MAAO,CACxC,IAAI1B,EAAWgc,EAAiBhc,SAK5BA,GAAYA,EAAWpoB,EAAO6c,eAAiBunB,EAAiBr4B,SAAWy4B,GAC7EF,EAAeI,EACft2C,IAAOpB,KAAK,4KAEZs3C,EAAeK,EACfv2C,IAAOrB,IAAP,gCAA2Cu3C,EAAaxtB,UAG1DwtB,EAAe,UAERA,EAAaM,cAElBD,GAAcA,EAAWC,aAC3Bx2C,IAAOpB,KAAP,qCAAiD23C,EAAW7tB,GAA5D,oCAAkGwtB,EAAaxtB,GAA/G,sBAAuI6tB,EAAW7tB,IAClJwtB,EAAeK,IAIfv2C,IAAOpB,KAAK,kFACZs3C,EAAav4B,QAAU,EACnB24B,GACFJ,EAAeI,GACFE,aAAc,EAClBJ,IAETF,EAAe,QAOzB,OAAOA,G,EAGThB,SAAA,SAAUn0B,GACRrjB,KAAKqmB,MAAQ2uB,GACbh1C,KAAK06B,IAAItlB,QAAQC,IAAM5P,YAAa,CAAE4d,U,EAGxCo0B,cAAA,SAAep0B,GAEb,IAAI01B,EAAY/4C,KAAK+yC,gBAAgBtG,SAASppB,GAE9CrjB,KAAKg5C,YAAc31B,EACH,gBAAZA,EAAK2H,KACPhrB,KAAK21C,oBAAqB,GAGxB,YAAgBtyB,EAAK2H,MAAQ3H,EAAKspB,cACpC3sC,KAAK+1C,iBAAmB1yB,EAAK1C,MAAQ0C,EAAK/K,UAIxC+K,EAAKy1B,aAAeC,IAAcpO,GAA4BoO,IAAcpO,GAC9EtnB,EAAK41B,UAAYj5C,KAAK06B,IAAIwe,iBAC1B71B,EAAKspB,YAAc3sC,KAAK2sC,YAExB3sC,KAAK06B,IAAItlB,QAAQC,IAAM5Q,aAAc,CAAE4e,SAElCrjB,KAAKizB,UACRjzB,KAAKizB,QAAU,IAAI6b,EAAQ9uC,KAAK06B,IAAK,SAGvC16B,KAAKqmB,MAAQ2uB,IACJ+D,IAAcpO,GAEnB3qC,KAAKm5C,uBAAuB91B,EAAK/K,WACnCtY,KAAK+yC,gBAAgBlH,eAAexoB,I,EAkB1C0nB,gBAAA,SAAiBnwB,GACf,OAAO5a,KAAK+yC,gBAAgBhI,gBAAgBnwB,EAAU2f,EAAkBmK,O,EAwB1E0U,sBAAA,SAAuB/1B,GACrB,OAAIA,EAEKrjB,KAAK+qC,gBAAgB1nB,EAAKyK,OAAS,IAErC,M,EAYTwoB,sBAAA,WACE,IAAI+C,EAAoB3K,EAAatvB,EAAQpf,KAAKkiC,MAClD,GAAI9iB,GAASA,EAAM24B,aAAgC,IAAlB34B,EAAMg0B,WACrC1E,EAActvB,EAAMsvB,aAOF1uC,KAAKszC,kBACrBtzC,KAAKszC,gBAAkB5E,GAGrBjB,EAAaC,WAAWtuB,EAAOsvB,GACjC2K,EAAqBr5C,KAAK+qC,gBAAgB2D,GACjCjB,EAAaC,WAAWtuB,EAAOsvB,EAAc,MAMtD2K,EAAqBr5C,KAAK+qC,gBAAgB2D,EAAc,KAEtD2K,GAAoB,CACtB,IAAIC,EAAcD,EAClB,GAAIC,IAAgBt5C,KAAKs5C,YAAa,CACpCt5C,KAAK06B,IAAItlB,QAAQC,IAAMjQ,aAAc,CAAEie,KAAMi2B,IAC7C,IAAMC,EAAmBD,EAAYvc,MAChC/8B,KAAKs5C,aAAet5C,KAAKs5C,YAAYvc,QAAUwc,GAClDv5C,KAAK06B,IAAItlB,QAAQC,IAAM7R,eAAgB,CAAEu5B,MAAOwc,IAGlDv5C,KAAKs5C,YAAcA,K,EAY3BE,qBAAA,WAEE,GADAl3C,IAAOrB,IAAI,yBACNjB,KAAKy5C,gBAAiB,CACzBz5C,KAAKy5C,iBAAkB,EACvB,IAAwBC,EAApBxX,EAAQliC,KAAKkiC,MACbA,GACFwX,EAAmBxX,EAAMyR,OACzBzR,EAAMyX,SAGND,GAAmB,EAErB15C,KAAK05C,iBAAmBA,EAE1B,IAAIV,EAAch5C,KAAKg5C,YACnBA,GAAeA,EAAY/b,QAC7B+b,EAAY/b,OAAOiJ,QAGrBlmC,KAAKg5C,YAAc,KAEnBh5C,KAAK45C,gBAAgB,EAAG5zC,OAAO6zC,oB,EAQjCC,wBAAA,WACE,IAAM5X,EAAQliC,KAAKkiC,MACfA,GAASA,EAAMiJ,SAAS5kC,SAC1BvG,KAAKy5C,iBAAkB,EACnBhM,EAAaC,WAAWxL,EAAOA,EAAMwM,eAEvCxM,EAAMwM,aAAe,MAElB1uC,KAAK05C,kBACRxX,EAAM6X,S,EAWZC,gBAAA,WACE,IAAM9X,EAAQliC,KAAKkiC,MAEnB,GAAIA,GAASA,EAAM6V,WAAY,CAC7B,IAAIkC,EAAYZ,EAAoBa,EAOpC,IANAb,EAAqBr5C,KAAK+qC,gBAAgB7I,EAAMwM,eACtB2K,EAAmBtrB,SAAW,GAGtD/tB,KAAK45C,gBAAgB,EAAGP,EAAmBtrB,SAAW,GAEnDmU,EAAMyR,OASTsG,EAAa,MATI,CAEjB,IAAIE,EAAcn6C,KAAK06B,IAAImb,cAAeuE,EAAYp6C,KAAKkhC,OAAOiZ,GAAcE,EAAer6C,KAAKq6C,aAElGJ,EADEI,GAAgBr6C,KAAKg5C,YACVh5C,KAAKg5C,YAAY1gC,SAAW8hC,EAAUzY,SAAW,IAAO0Y,GAAgB,EAExE,EAQjB,IADAH,EAAmBl6C,KAAK+qC,gBAAgB7I,EAAMwM,YAAcuL,MAG1DC,EAAmBl6C,KAAKo5C,sBAAsBc,IACxB,CAEpB,IAAIlB,EAAch5C,KAAKg5C,YACnBA,GAAeA,EAAY/b,QAC7B+b,EAAY/b,OAAOiJ,QAGrBlmC,KAAKg5C,YAAc,KAInBh5C,KAAK45C,gBAAgBM,EAAiB1J,YAAaxqC,OAAO6zC,sB,EAMlED,gBAAA,SAAiBU,EAAaC,GAC5Bv6C,KAAKqmB,MAAQ2uB,GACb,IAAIwF,EAAa,CAAEF,YAAaA,EAAaC,UAAWA,GAEpDv6C,KAAKq1C,WACPmF,EAAWj5C,KAAO,SAGpBvB,KAAK06B,IAAItlB,QAAQC,IAAMnS,gBAAiBs3C,I,EAG1CC,gBAAA,SAAiBp0C,GACf,IAAI67B,EAAQliC,KAAKkiC,MAAQliC,KAAK+2C,YAAc1wC,EAAK67B,MACjDliC,KAAK06C,WAAa16C,KAAK26C,eAAer6C,KAAKN,MAC3CA,KAAK46C,UAAY56C,KAAK66C,cAAcv6C,KAAKN,MACzCA,KAAK86C,SAAW96C,KAAK+6C,aAAaz6C,KAAKN,MACvCkiC,EAAMhI,iBAAiB,UAAWl6B,KAAK06C,YACvCxY,EAAMhI,iBAAiB,SAAUl6B,KAAK46C,WACtC1Y,EAAMhI,iBAAiB,QAASl6B,KAAK86C,UACrC,IAAI5mC,EAASlU,KAAKkU,OACdlU,KAAKkhC,QAAUhtB,EAAO8mC,eACxBh7C,KAAK06B,IAAI4a,UAAUphC,EAAOqhC,eAG5Bv1C,KAAKo1C,cAAgB,IAAItC,GAAc5+B,EAAQguB,EAAOliC,KAAK+yC,gBAAiB/yC,KAAK06B,M,EAGnFugB,iBAAA,WACE,IAAI/Y,EAAQliC,KAAKkiC,MACbA,GAASA,EAAM0R,QACjBtxC,IAAOrB,IAAI,sDACXjB,KAAKu1C,cAAgBv1C,KAAKszC,gBAAkB,GAI9C,IAAIpS,EAASlhC,KAAKkhC,OACdA,GACFA,EAAO/+B,SAAQ,SAAA46B,GACTA,EAAMxnB,SACRwnB,EAAMxnB,QAAQ0oB,UAAU97B,SAAQ,SAAAwJ,GAC9BA,EAASmtC,iBAAcnqC,QAO3BuzB,IACFA,EAAMuN,oBAAoB,UAAWzvC,KAAK06C,YAC1CxY,EAAMuN,oBAAoB,SAAUzvC,KAAK46C,WACzC1Y,EAAMuN,oBAAoB,QAASzvC,KAAK86C,UACxC96C,KAAK06C,WAAa16C,KAAK46C,UAAY56C,KAAK86C,SAAW,MAGrD96C,KAAK+yC,gBAAgBhG,qBACrB/sC,KAAKkiC,MAAQliC,KAAK+2C,YAAc,KAChC/2C,KAAK81C,gBAAiB,EACtB91C,KAAKw1C,Y,EAGPqF,cAAA,WACE,IAAM3Y,EAAQliC,KAAKkiC,MACbwM,EAAcxM,EAAQA,EAAMwM,iBAAc//B,EAChB3O,KAAKkU,OAA7Bu/B,qBAGqBzzC,KAAKo1C,cAAc1B,+BAC9C1zC,KAAK06B,IAAItlB,QAAQC,IAAMzP,qBAGrB,YAAgB8oC,IAClBpsC,IAAOrB,IAAP,mBAA8BytC,EAAYyC,QAAQ,IAIpDnxC,KAAKg2C,Q,EAGP3Q,kBAAA,WAEE/iC,IAAOrB,IAAI,wBACXjB,KAAK06B,IAAItlB,QAAQC,IAAMzS,cACvB5C,KAAK+yC,gBAAgBhG,qBACrB/sC,KAAKkzC,SAAU,EACflzC,KAAKu1C,cAAgBv1C,KAAKszC,gBAAkB,G,EAG9C4H,iBAAA,SAAkB70C,GAChB,IAAgC2Q,EAA5BmkC,GAAM,EAAOC,GAAQ,EACzB/0C,EAAK66B,OAAO/+B,SAAQ,SAAA46B,IAElB/lB,EAAQ+lB,EAAM5mB,eAEwB,IAAhCa,EAAM3N,QAAQ,eAChB8xC,GAAM,IAG4B,IAAhCnkC,EAAM3N,QAAQ,eAChB+xC,GAAQ,OAIdp7C,KAAKq7C,iBAAoBF,GAAOC,EAC5Bp7C,KAAKq7C,kBACP/4C,IAAOrB,IAAI,0EAGbjB,KAAKq1C,SAAWhvC,EAAKgvC,SACrBr1C,KAAKkhC,OAAS76B,EAAK66B,OACnBlhC,KAAK21C,oBAAqB,EAC1B,IAAIzhC,EAASlU,KAAKkU,QACdA,EAAO8mC,eAAiBh7C,KAAKi2C,iBAC/Bj2C,KAAK06B,IAAI4a,UAAUphC,EAAOqhC,gB,EAI9B+F,cAAA,SAAej1C,GACb,IAAMk1C,EAAal1C,EAAKkP,QAClBimC,EAAan1C,EAAK02B,MAClBwU,EAAYvxC,KAAKkhC,OAAOlhC,KAAKu2C,iBAC7BkF,EAAWz7C,KAAKkhC,OAAOsa,GACvBljC,EAAWijC,EAAW/c,cACxB6S,EAAU,EAId,GAFA/uC,IAAOrB,IAAP,SAAoBu6C,EAApB,YAA0CD,EAAWld,QAArD,IAAgEkd,EAAWvd,MAA3E,cAA8F1lB,GAE1FijC,EAAWrd,KAAM,CACnB,IAAI0T,EAAa6J,EAASlmC,QACtBq8B,GAAc2J,EAAWtd,UAAU13B,OAAS,INtpB/C,SAAuBm1C,EAAYH,GAEpCA,EAAWnjC,aAAesjC,EAAWtjC,cACvCmjC,EAAWnjC,YAAcsjC,EAAWtjC,aAKtC,IACIujC,EADAC,EAAW,EAgBf,GAdAhL,GAAwB8K,EAAYH,GAAY,SAACvK,EAASC,GACxD2K,EAAW5K,EAAQrU,GAAKsU,EAAQtU,GAC5B,YAAgBqU,EAAQjjB,YAC1BkjB,EAAQtwB,MAAQswB,EAAQljB,SAAWijB,EAAQjjB,SAC3CkjB,EAAQnjB,OAASkjB,EAAQljB,OACzBmjB,EAAQ34B,SAAW04B,EAAQ14B,SAC3B24B,EAAQ6H,YAAc9H,EAAQ8H,YAC9B7H,EAAQhxB,QAAU+wB,EAAQ/wB,QAC1B07B,EAAU1K,GAGZsK,EAAW5K,UAAW,KAGnB4K,EAAW5K,SAAhB,CAIA,GAAIiL,EAAU,CACZt5C,IAAOrB,IAAI,gEAEX,IADA,IAAM46C,EAAeN,EAAWtd,UACvBh3B,EAAI,EAAGA,EAAI40C,EAAat1C,OAAQU,IACvC40C,EAAa50C,GAAG01B,IAAMif,EAKtBD,EACFpL,GAAiBgL,EAAYI,EAASA,EAAQ5tB,SAAU4tB,EAAQ7tB,OAAQ6tB,EAAQtqB,SAAUsqB,EAAQrqB,QAmD/F,SAAwBuf,EAAaC,GAC1C,IAAM/gB,EAAQ+gB,EAAYzS,QAAUwS,EAAYxS,QAC1Cyd,EAAejL,EAAY5S,UAC3B4d,EAAe/K,EAAY7S,UAEjC,GAAIlO,EAAQ,GAAKA,EAAQ+rB,EAAav1C,OACpC,OAEF,IAAK,IAAIU,EAAI,EAAGA,EAAI40C,EAAat1C,OAAQU,IACvC40C,EAAa50C,GAAG0Z,OAASm7B,EAAa/rB,GAAOpP,MAvD7Co7B,CAAcL,EAAYH,GAI5BA,EAAW5K,SAAW+K,EAAW/K,UMymB3BqL,CAAyBpK,EAAY2J,GACrClK,EAAUkK,EAAWtd,UAAU,GAAGtd,MAClC3gB,KAAK63C,iBAAmB73C,KAAK83C,oBAAoBzG,EAASO,GACtD2J,EAAW5K,UAAY,YAAgBU,GACzC/uC,IAAOrB,IAAP,yBAAoCowC,EAAQF,QAAQ,KAEpD7uC,IAAOrB,IAAI,iDACXqwC,GAAYtxC,KAAKk3C,aAAc3F,EAAWgK,MAG5Cj5C,IAAOrB,IAAI,+CACXs6C,EAAW5K,UAAW,EACtBW,GAAYtxC,KAAKk3C,aAAc3F,EAAWgK,SAG5CA,EAAW5K,UAAW,EAOxB,GAJA8K,EAASlmC,QAAUgmC,EACnBv7C,KAAKu2C,gBAAkBiF,EACvBx7C,KAAK06B,IAAItlB,QAAQC,IAAM1R,cAAe,CAAE4R,QAASgmC,EAAYxe,MAAOye,KAEpC,IAA5Bx7C,KAAK21C,mBAA8B,CAErC,IAA4B,IAAxB31C,KAAKu1C,gBAAkD,IAA1Bv1C,KAAKszC,gBAAwB,CAE5D,IAAIhV,EAAkBid,EAAWjd,gBAC7B,YAAgBA,IACdA,EAAkB,IACpBh8B,IAAOrB,IAAP,8BAAyCq9B,EAAzC,qCACAA,EAAkB+S,EAAU/4B,EAAWgmB,GAEzCh8B,IAAOrB,IAAP,gEAA2Eq9B,GAC3Et+B,KAAKu1C,cAAgBjX,GAGjBid,EAAWrd,MACbl+B,KAAKu1C,cAAgBv1C,KAAK83C,oBAAoBzG,EAASkK,GACvDj5C,IAAOrB,IAAP,8BAAyCjB,KAAKu1C,gBAE9Cv1C,KAAKu1C,cAAgB,EAGzBv1C,KAAKszC,gBAAkBtzC,KAAKu1C,cAE9Bv1C,KAAK+1C,iBAAmB/1C,KAAKu1C,cAG3Bv1C,KAAKqmB,QAAU2uB,KACjBh1C,KAAKqmB,MAAQ2uB,IAIfh1C,KAAKg2C,Q,EAGPiG,YAAA,WACMj8C,KAAKqmB,QAAU2uB,KACjBh1C,KAAKqmB,MAAQ2uB,GACbh1C,KAAKg2C,S,EAITtJ,aAAA,SAAcrmC,GAAM,IACV2yC,EAAoCh5C,KAApCg5C,YAAate,EAAuB16B,KAAvB06B,IAAKwG,EAAkBlhC,KAAlBkhC,OAAQgB,EAAUliC,KAAVkiC,MAC5Bga,EAAa71C,EAAKgd,KACxB,GAAIrjB,KAAKqmB,QAAU2uB,IACfgE,GACoB,SAApBkD,EAAW36C,MACX26C,EAAWnf,QAAUic,EAAYjc,OACjCmf,EAAWlxB,KAAOguB,EAAYhuB,GAAI,CACpC,IAAMuI,EAAQltB,EAAKktB,MACb4oB,EAAejb,EAAO8X,EAAYjc,OAClCxnB,EAAU4mC,EAAa5mC,QAQ7B,GAJAvV,KAAK2sC,aAAc,EACnB3sC,KAAKuzB,MAAQA,EAEbjxB,IAAOrB,IAAP,UAAqB+3C,EAAYhuB,GAAjC,QAA2CzV,EAAQ8oB,QAAnD,KAA+D9oB,EAAQyoB,MAAvE,WAAuFgb,EAAYjc,OAC/Fmf,EAAWvP,aAAejS,EAAImb,cAEhC71C,KAAKqmB,MAAQ2uB,GACbh1C,KAAK21C,oBAAqB,EAC1BpiB,EAAM6U,QAAU7U,EAAM6oB,UAAYryC,OAAO+oB,YAAYlG,MACrD8N,EAAItlB,QAAQC,IAAMlQ,cAAe,CAAEouB,MAAOA,EAAOlQ,KAAM21B,EAAavgC,GAAI,SACxEzY,KAAKg2C,YACA,GAAsB,gBAAlBkG,EAAWlxB,GACpBhrB,KAAKqmB,MAAQ2uB,GACbzhB,EAAM6U,QAAU7U,EAAM6oB,UAAYryC,OAAO+oB,YAAYlG,MACrDrX,EAAQ6C,YAAY/R,KAAOA,EAAKukB,QAChC8P,EAAItlB,QAAQC,IAAMlQ,cAAe,CAAEouB,MAAOA,EAAOlQ,KAAM21B,EAAavgC,GAAI,SACxEzY,KAAKg2C,WACA,CACL1zC,IAAOrB,IAAP,WAAsB+3C,EAAYhuB,GAAlC,QAA4CzV,EAAQ8oB,QAApD,KAAgE9oB,EAAQyoB,MAAxE,WAAwFgb,EAAYjc,MAApG,QAAiHic,EAAYrc,IAC7H38B,KAAKqmB,MAAQ2uB,GACbh1C,KAAKq8C,kBAAmB,EACxBr8C,KAAKs8C,UAAW,EAIZJ,EAAWvP,cACbuP,EAAWvP,aAAc,EACzB3sC,KAAK+yC,gBAAgBrG,aAAa,CAChCrpB,KAAM64B,KAKV,IAAMhjC,IAAuBgpB,GAASA,EAAMkR,WAAa79B,EAAQo7B,WAAap7B,EAAQ2oB,MAChFqe,EAAkBhnC,EAAQ6C,YAAc7C,EAAQ6C,YAAY/R,KAAO,GACnE8P,EAAanW,KAAKw8C,eAAeL,IAGvBn8C,KAAKizB,QAAUjzB,KAAKizB,SAAW,IAAI6b,EAAQ9uC,KAAK06B,IAAK,SAC7D9yB,KACNvB,EAAKukB,QACL2xB,EACApmC,EACAgmC,EAAa9jC,WACb2gC,EACAzjC,EAAQipB,cACRtlB,IAINlZ,KAAK01C,cAAgB,G,EAGvB+G,yBAAA,SAA0Bp2C,GACxB,IAAM2yC,EAAch5C,KAAKg5C,YACnB0D,EAAUr2C,EAAKgd,KAErB,GAAI21B,GACY,SAAZ3yC,EAAKoS,IACLikC,EAAQ1xB,KAAOguB,EAAYhuB,IAC3B0xB,EAAQ3f,QAAUic,EAAYjc,OAC9B/8B,KAAKqmB,QAAU2uB,GAAe,CAChC,IAA0B2H,EAAWzmC,EAAjCgV,EAAS7kB,EAAK6kB,OASlB,GANIA,EAAO7L,OAASrf,KAAKq1C,iBAChBnqB,EAAO7L,MAIhBnJ,EAAQgV,EAAO7L,MACJ,CACT,IAAIlJ,EAAanW,KAAKkhC,OAAOlhC,KAAK+8B,OAAO5mB,WACvCymC,EAAKlmC,UAAUD,UAAUE,cACvBR,GAAcnW,KAAKk1C,iBACrB5yC,IAAOrB,IAAI,iCAETkV,GADuC,IAArCA,EAAW9M,QAAQ,aACR,YAEA,aAObrJ,KAAKq7C,kBAE6B,IAAhCnlC,EAAMyY,SAAS5X,eAEU,IAA3B6lC,EAAGvzC,QAAQ,aACX8M,EAAa,cAIc,IAA3BymC,EAAGvzC,QAAQ,YAAyC,eAApB6M,EAAMsC,YACxCrC,EAAa,YACb7T,IAAOrB,IAAP,iCAA4CkV,IAE9CD,EAAM2mC,WAAa1mC,EACnBD,EAAMuC,GAAKpS,EAAKoS,GASlB,IAAKkkC,KAPLzmC,EAAQgV,EAAO9L,SAEblJ,EAAM2mC,WAAa78C,KAAKkhC,OAAOlhC,KAAK+8B,OAAO1kB,WAC3CnC,EAAMuC,GAAKpS,EAAKoS,IAElBzY,KAAK06B,IAAItlB,QAAQC,IAAMxS,cAAeqoB,GAEpBA,EAAQ,CACxBhV,EAAQgV,EAAOyxB,GACfr6C,IAAOrB,IAAP,cAAyB07C,EAAzB,cAAgDzmC,EAAMsC,UAAtD,0BAAyFtC,EAAM2mC,WAA/F,IAA6G3mC,EAAMc,MAAnH,KACA,IAAIoB,EAAclC,EAAMkC,YACpBA,IACFpY,KAAKs8C,UAAW,EAEhBt8C,KAAKq8C,kBAAmB,EACxBr8C,KAAK06B,IAAItlB,QAAQC,IAAMtS,iBAAkB,CAAExB,KAAMo7C,EAAWt2C,KAAM+R,EAAa0kC,OAAQ,OAAQC,QAAS,iBAI5G/8C,KAAKg2C,S,EAITgH,kBAAA,SAAmB32C,GAAM,WACjB2yC,EAAch5C,KAAKg5C,YACnB0D,EAAUr2C,EAAKgd,KACrB,GAAI21B,GACY,SAAZ3yC,EAAKoS,IACLikC,EAAQ1xB,KAAOguB,EAAYhuB,IAC3B0xB,EAAQ3f,QAAUic,EAAYjc,QACd,UAAd12B,EAAK9E,OAAoBvB,KAAKq1C,WAChCr1C,KAAKqmB,QAAU2uB,GAAe,CAChC,IAAIjY,EAAQ/8B,KAAKkhC,OAAOlhC,KAAK+8B,OAC3B1Z,EAAO21B,EAiBT,GAhBK,YAAgB3yC,EAAKynB,UACxBznB,EAAKynB,OAASznB,EAAK0nB,SAAWirB,EAAY1gC,SAC1CjS,EAAKirB,OAASjrB,EAAKgrB,SAAW2nB,EAAY1gC,WAGtB,IAAlBjS,EAAKkrB,UACPlO,EAAKia,oBAAoB9B,EAAsBY,QAG3B,IAAlB/1B,EAAKmrB,UACPnO,EAAKia,oBAAoB9B,EAAsBa,OAGjD/5B,IAAOrB,IAAP,UAAqBoF,EAAK9E,KAA1B,SAAuC8E,EAAK0nB,SAASojB,QAAQ,GAA7D,IAAmE9qC,EAAKynB,OAAOqjB,QAAQ,GAAvF,UAAmG9qC,EAAKgrB,SAAS8f,QAAQ,GAAzH,IAA+H9qC,EAAKirB,OAAO6f,QAAQ,GAAnJ,QAA6J9qC,EAAKorB,GAAlK,aAAgLprB,EAAK4Z,SAAW,IAG9K,UAAd5Z,EAAK9E,KAEP,GADA8hB,EAAKpD,QAAU5Z,EAAK4Z,QAChBoD,EAAKpD,QACP,GAAKoD,EAAKy1B,YAkBRx2C,IAAOpB,KAAK,+DAAgEmiB,EAAK2H,QAlB5D,CACrB,IAAMkd,EAAenL,EAAMxnB,QAC3B,IAAI2yB,GAAgB7kB,EAAK2H,KAAOkd,EAAa7J,QAa3C,OAVA/7B,IAAOpB,KAAK,gDAAiDmiB,EAAK2H,IAIlEhrB,KAAK+yC,gBAAgBlH,eAAexoB,GACpCA,EAAKy1B,aAAc,EACnB94C,KAAK+1C,iBAAmB1vC,EAAK0nB,SAC7B/tB,KAAKqmB,MAAQ2uB,GACbh1C,KAAKk3C,aAAe7zB,OACpBrjB,KAAKg2C,OAXL1zC,IAAOpB,KAAK,2DAA4DmiB,EAAK2H,SAmBjF3H,EAAKy1B,aAAc,EAIvB,IAAIrI,EAAQuL,GAA6Bjf,EAAMxnB,QAAS8N,EAAMhd,EAAK0nB,SAAU1nB,EAAKynB,OAAQznB,EAAKgrB,SAAUhrB,EAAKirB,QAC5GoJ,EAAM16B,KAAK06B,IACbA,EAAItlB,QAAQC,IAAMzR,kBAAmB,CAAE2R,QAASwnB,EAAMxnB,QAASwnB,MAAO/8B,KAAK+8B,MAAO0T,MAAOA,EAAOlvC,KAAM8E,EAAK9E,KAAMof,MAAOta,EAAK0nB,SAAUtmB,IAAKpB,EAAKynB,SAEjJ,CAACznB,EAAK8qB,MAAO9qB,EAAK+qB,OAAOjvB,SAAQ,SAAAuG,GAG3BA,GAAUA,EAAOnC,QAAU,EAAK8f,QAAU2uB,KAC5C,EAAKsH,UAAW,EAEhB,EAAKD,kBAAmB,EACxB3hB,EAAItlB,QAAQC,IAAMtS,iBAAkB,CAAExB,KAAM8E,EAAK9E,KAAM8E,KAAMqC,EAAQo0C,OAAQ,OAAQC,QAAS,aAIlG/8C,KAAKg2C,S,EAITiH,aAAA,SAAc52C,GACZ,IAAM2yC,EAAch5C,KAAKg5C,YACnB0D,EAAUr2C,EAAKgd,KACjB21B,GACY,SAAZ3yC,EAAKoS,IACLikC,EAAQ1xB,KAAOguB,EAAYhuB,IAC3B0xB,EAAQ3f,QAAUic,EAAYjc,OAC9B/8B,KAAKqmB,QAAU2uB,KACjBh1C,KAAKuzB,MAAM6U,QAAUr+B,OAAO+oB,YAAYlG,MACxC5sB,KAAKqmB,MAAQ2uB,GACbh1C,KAAKk9C,yB,EAITC,sBAAA,SAAuB92C,GAErB,IAAIgvC,IAAahvC,EAAKyC,IACpBysB,EAAUlvB,EAAKoS,GAIjB,IAAK48B,EAAU,CACb,GAAIr1C,KAAK+2C,cAAgB/2C,KAAKkiC,MAAO,CACnC5/B,IAAOrB,IAAI,iFACXjB,KAAK+2C,YAAc/2C,KAAKkiC,MACxB,IAAI8W,EAAch5C,KAAKg5C,YAEnBA,EAAY/b,SACd36B,IAAOrB,IAAI,4DACX+3C,EAAY/b,OAAOiJ,SAErBlmC,KAAKg5C,YAAc,KACnBh5C,KAAKk3C,aAAe,KAEhBl3C,KAAKizB,UACPjzB,KAAKizB,QAAQlf,UACb/T,KAAKizB,QAAU,MAGjBjzB,KAAKqmB,MAAQ2uB,GAEf,IAAIta,EAAM16B,KAAK06B,IAEfA,EAAItlB,QAAQC,IAAMnS,gBAAiB,CAAEo3C,YAAa,EAAGC,UAAWv0C,OAAO6zC,kBAAmBt4C,KAAM,UAChGm5B,EAAItlB,QAAQC,IAAMrR,qBAAsB,CAAEyU,GAAI8c,IAC9Cv1B,KAAKq1C,UAAW,I,EAIpB+H,qBAAA,SAAsB/2C,GACpB,IAAIkvB,EAAUlvB,EAAKoS,GACjB48B,IAAar1C,KAAK06B,IAAIkN,YAAYrS,GAASzsB,IAC7C,GAAIusC,EAAU,CACZ,IAAIgI,EAAcr9C,KAAKq9C,YAEnBA,GAAer9C,KAAK+2C,cAAgBsG,IACtC/6C,IAAOrB,IAAI,sFACXjB,KAAK+2C,YAAcsG,GAGvBr9C,KAAKq1C,SAAWA,EAChBr1C,KAAKg2C,Q,EAGPsH,gBAAA,SAAiBj3C,GACf,IAA0Bk3C,EAAY/vC,EAAlC0d,EAAS7kB,EAAK6kB,OAA0BsyB,GAAY,EACxD,IAAK,IAAIj8C,KAAQ2pB,EAAQ,CACvB,IAAIhV,EAAQgV,EAAO3pB,GACF,SAAb2U,EAAMuC,IACRjL,EAAOjM,EACPg8C,EAAarnC,EAEA,UAAT3U,IACFvB,KAAKq9C,YAAcnyB,EAAO3pB,GAAMmH,SAGlC80C,GAAY,EAGZA,GAAaD,GACfj7C,IAAOrB,IAAP,8BAAyCuM,EAAzC,+CACAxN,KAAK+2C,YAAcwG,EAAW70C,QAE9B1I,KAAK+2C,YAAc/2C,KAAKkiC,O,EAI5B0K,iBAAA,SAAkBvmC,GAChB,GAAoB,SAAhBA,EAAKy2C,OAAmB,CAC1B,IAAMz2B,EAAQrmB,KAAKqmB,MACfA,IAAU2uB,IAAiB3uB,IAAU2uB,KAEvCh1C,KAAKq8C,iBAAoBh2C,EAAKo3C,QAAU,EACxCz9C,KAAKk9C,0B,EAKXA,qBAAA,WAEE,KAAIl9C,KAAKqmB,QAAU2uB,IAAkBh1C,KAAKs8C,UAAat8C,KAAKq8C,kBAAmB,CAC7E,IAAMh5B,EAAOrjB,KAAKg5C,YAClB,GAAI31B,EAAM,CACR,IAAM6e,EAAQliC,KAAK+2C,YAAc/2C,KAAK+2C,YAAc/2C,KAAKkiC,MACzD5/B,IAAOrB,IAAP,mBAA8BiwC,GAAW5rB,SAAS4c,EAAMiJ,WACxDnrC,KAAKk3C,aAAe7zB,EACpB,IAAMkQ,EAAQvzB,KAAKuzB,MACnBA,EAAM6oB,UAAYryC,OAAO+oB,YAAYlG,MAErC5sB,KAAKq6C,aAAehyC,KAAKC,MAAM,EAAIirB,EAAMmqB,OAASnqB,EAAM6oB,UAAY7oB,EAAMoqB,SAC1E39C,KAAK06B,IAAItlB,QAAQC,IAAMlQ,cAAe,CAAEouB,MAAOA,EAAOlQ,KAAMA,EAAM5K,GAAI,SACtEzY,KAAKqmB,MAAQ2uB,GAEfh1C,KAAKg2C,S,EAITjP,QAAA,SAAS1gC,GACP,IAAIgd,EAAOhd,EAAKgd,MAAQrjB,KAAKg5C,YAE7B,IAAI31B,GAAsB,SAAdA,EAAK9hB,KAAjB,CAKA,IAAIq8C,IAAkB59C,KAAKkiC,OAASuL,EAAaC,WAAW1tC,KAAKkiC,MAAOliC,KAAKkiC,MAAMwM,cAAgBjB,EAAaC,WAAW1tC,KAAKkiC,MAAOliC,KAAKkiC,MAAMwM,YAAc,IAEhK,OAAQroC,EAAKkP,SACb,KAAKzP,IAAaokC,gBAClB,KAAKpkC,IAAaqkC,kBAClB,KAAKrkC,IAAa2kC,eAClB,KAAK3kC,IAAa4kC,iBAChB,IAAKrkC,EAAKoP,MAER,GAAKzV,KAAK01C,cAAgB,GAAM11C,KAAKkU,OAAO2pC,oBAAqB,CAE/D,IAAIC,EAAQz1C,KAAK0S,IAAI1S,KAAK+e,IAAI,EAAGpnB,KAAK01C,eAAiB11C,KAAKkU,OAAOs2B,sBAAuBxqC,KAAKkU,OAAO61B,4BACtGznC,IAAOpB,KAAP,kDAA8D48C,EAA9D,OACA99C,KAAKo2C,UAAYrsC,OAAO+oB,YAAYlG,MAAQkxB,EAIvC99C,KAAK81C,iBACR91C,KAAK21C,oBAAqB,EAC1B31C,KAAK+1C,iBAAmB/1C,KAAKu1C,eAE/Bv1C,KAAK01C,gBACL11C,KAAKqmB,MAAQ2uB,QAEb1yC,IAAOlB,MAAP,oBAAiCiF,EAAKkP,QAAtC,+CAEAlP,EAAKoP,OAAQ,EACbzV,KAAKqmB,MAAQ2uB,GAGjB,MACF,KAAKlvC,IAAamjC,iBAClB,KAAKnjC,IAAakjC,mBACZhpC,KAAKqmB,QAAU2uB,KACb3uC,EAAKoP,OAEPzV,KAAKqmB,MAAQ2uB,GACb1yC,IAAOpB,KAAP,qBAAiCmF,EAAKkP,QAAtC,cAA2DvV,KAAKqmB,MAAhE,eAGKhgB,EAAK03C,YAAc/9C,KAAKqmB,QAAU2uB,KACrCh1C,KAAKqmB,MAAQ2uB,KAInB,MACF,KAAKlvC,IAAak4C,kBAEI,SAAhB33C,EAAKy2C,QAAsB98C,KAAKqmB,QAAU2uB,IAAiBh1C,KAAKqmB,QAAU2uB,KAExE4I,GACF59C,KAAKm5C,uBAAuBn5C,KAAKkU,OAAO2iC,iBACxC72C,KAAKqmB,MAAQ2uB,KAKb1yC,IAAOpB,KAAK,8EACZlB,KAAKg5C,YAAc,KAEnBh5C,KAAK45C,gBAAgB,EAAG5zC,OAAO6zC,wB,EASvCV,uBAAA,SAAwB8E,GACtB,IAAI/pC,EAASlU,KAAKkU,OAClB,OAAIA,EAAO4iC,oBAAsBmH,IAE/B/pC,EAAO4iC,oBAAsB,EAC7Bx0C,IAAOpB,KAAP,oCAAgDgT,EAAO4iC,mBAAvD,MACO,I,EASXT,aAAA,WAAgB,IACNnU,EAAUliC,KAAVkiC,MACR,GAAKA,GAA8B,IAArBA,EAAM6V,WAApB,CAKA,IACM5M,GADcnrC,KAAK+2C,YAAc/2C,KAAK+2C,YAAc7U,GAC7BiJ,UAExBnrC,KAAK81C,gBAAkB3K,EAAS5kC,QACnCvG,KAAK81C,gBAAiB,EACtB91C,KAAKk+C,mBACIl+C,KAAKy5C,gBACdz5C,KAAK85C,0BAEL95C,KAAKo1C,cAAc/B,KAAKrzC,KAAKszC,gBAAiBnI,K,EAIlDgT,2BAAA,WACEn+C,KAAKqmB,MAAQ2uB,GAGRh1C,KAAK81C,iBACR91C,KAAK21C,oBAAqB,EAC1B31C,KAAK+1C,iBAAmB/1C,KAAKu1C,eAE/Bv1C,KAAKg2C,Q,EAGPoI,gBAAA,WAIE,IAAMlc,EAAQliC,KAAK+2C,YAAc/2C,KAAK+2C,YAAc/2C,KAAKkiC,MACrDA,GAEFliC,KAAK+yC,gBAAgB1H,uBAAuB7P,EAAsBa,MAAO6F,EAAMiJ,UAGjFnrC,KAAKqmB,MAAQ2uB,GAEbh1C,KAAKk3C,aAAe,M,EAGtBmH,eAAA,WACEr+C,KAAKk1C,gBAAkBl1C,KAAKk1C,gB,EAM9BgJ,gBAAA,WAAmB,IACThc,EAAUliC,KAAVkiC,MACFwM,EAAcxM,EAAMwM,YAGpB6G,EAAgBrT,EAAMkR,QAAU1E,EAAc1uC,KAAKu1C,cAErD7G,IAAgB6G,GAAiBA,GAAiB,IAEpDjzC,IAAOrB,IAAP,iEAA4Es0C,EAA5E,sBAA+G7G,EAA/G,KACAxM,EAAMwM,YAAc6G,I,EAIxBiH,eAAA,SAAgBL,GACd,IAAIhmC,EAAanW,KAAKkU,OAAOoqC,mBAAqBnC,EAAahmC,WAY/D,OAXInW,KAAKk1C,iBACP5yC,IAAOrB,IAAI,iCACPkV,IAEAA,GADuC,IAArCA,EAAW9M,QAAQ,aACR,YAEA,cAKZ8M,G,kCA13BEooC,GACT,GAAIv+C,KAAKqmB,QAAUk4B,EAAW,CAC5B,IAAMC,EAAgBx+C,KAAKqmB,MAC3BrmB,KAAKm1C,OAASoJ,EACdj8C,IAAOrB,IAAP,2BAAsCu9C,EAAtC,KAAwDD,GACxDv+C,KAAK06B,IAAItlB,QAAQC,IAAM1P,wBAAyB,CAAE64C,gBAAeD,gB,eAKnE,OAAOv+C,KAAKm1C,S,mCAQZ,IAAIjT,EAAQliC,KAAKkiC,MACjB,GAAIA,EAAO,CACT,IAAM7e,EAAOrjB,KAAK+qC,gBAAgB7I,EAAMwM,aACxC,GAAIrrB,EACF,OAAOA,EAAK0Z,MAGhB,OAAQ,I,uCAIR,IAAImF,EAAQliC,KAAKkiC,MACjB,OAAIA,EAEKliC,KAAKo5C,sBAAsBp5C,KAAK+qC,gBAAgB7I,EAAMwM,cAEtD,O,gCAaT,IAAMrrB,EAAOrjB,KAAKk6C,iBAClB,OAAI72B,EACKA,EAAK0Z,OAEJ,I,uCA20BV,OAAO/8B,KAAKy+C,mB,aAGQr+C,GACpBJ,KAAKy+C,kBAAoBr+C,O,wND7yC3B81C,OAAA,a,EAEAZ,UAAA,a,EAEAE,SAAA,WACE,IAAInyB,EAAOrjB,KAAKg5C,YACZ31B,IACEA,EAAK4Z,QACP5Z,EAAK4Z,OAAOiJ,QAEdlmC,KAAK+yC,gBAAgBlH,eAAexoB,IAElCrjB,KAAKizB,UACPjzB,KAAKizB,QAAQlf,UACb/T,KAAKizB,QAAU,MAEjBjzB,KAAKg5C,YAAc,KACnBh5C,KAAKk3C,aAAe,KACpBl3C,KAAK0+C,gBACL1+C,KAAK2+C,gBACL3+C,KAAKqmB,MAAQ2uB,I,EAGfgC,aAAA,SAAcrJ,EAAYzF,GAAc,IAC9B8Q,EAAiCh5C,KAAjCg5C,YAAajG,EAAoB/yC,KAApB+yC,gBAKrB,IAAK7K,EAAahK,MAAQ8a,IAAgBA,EAAYF,aAAeE,EAAYhuB,KAAOkd,EAAalK,QAAU2P,EAAWI,UAAW,CACnI,IAAMgL,EAAYhG,EAAgBtG,SAASuM,GAC3C,OAAOD,IAAcpO,GAAyBoO,IAAcpO,EAE9D,OAAO,G,EAGTgQ,eAAA,WAAkB,IACRzmC,EAAsClU,KAAtCkU,OAAQguB,EAA8BliC,KAA9BkiC,MAAO6U,EAAuB/2C,KAAvB+2C,YAAa1wB,EAAUrmB,KAAVqmB,MAC9BqoB,EAAcxM,EAAQA,EAAMwM,YAAc,KAC1Cf,EAAaF,EAAaE,WAAWoJ,GAAe7U,EAAOwM,EAAa1uC,KAAKkU,OAAO6c,eAM1F,GAJI,YAAgB2d,IAClBpsC,IAAOrB,IAAP,oBAA+BytC,EAAYyC,QAAQ,IAGjD9qB,IAAU2uB,GAAoB,CAChC,IAAIgE,EAAch5C,KAAKg5C,YAEvB,GAAuB,IAAnBrL,EAAWhkC,KAAaqvC,EAAa,CACvC,IAAM4F,EAAY1qC,EAAOu6B,uBACnBoQ,EAAkB7F,EAAYr4B,MAAQi+B,EACtCE,EAAgB9F,EAAYr4B,MAAQq4B,EAAY1gC,SAAWsmC,EAE7DlQ,EAAcmQ,GAAmBnQ,EAAcoQ,GAC7C9F,EAAY/b,SACd36B,IAAOrB,IAAI,mFACX+3C,EAAY/b,OAAOiJ,SAErBlmC,KAAKg5C,YAAc,KACnBh5C,KAAKk3C,aAAe,KAEpBl3C,KAAKqmB,MAAQ2uB,IAEb1yC,IAAOrB,IAAI,8EAGNolB,IAAU2uB,KAEI,IAAnBrH,EAAWhkC,MACb3J,KAAKk3C,aAAe,KACpBl3C,KAAKg5C,YAAc,MAIrBh5C,KAAKqmB,MAAQ2uB,IAEX9S,IACFliC,KAAKszC,gBAAkB5E,GAIpB1uC,KAAK81C,iBACR91C,KAAK+1C,iBAAmB/1C,KAAKu1C,cAAgB7G,GAI/C1uC,KAAKg2C,Q,EAGP+E,aAAA,WAEE/6C,KAAKu1C,cAAgBv1C,KAAKszC,gBAAkB,G,EAG9CvY,oBAAA,WACE/6B,KAAKw1C,WACL,YAAMza,oBAAN,Y,EAGFE,mBAAA,WACEj7B,KAAKqmB,MAAQ2uB,GACbh1C,KAAK+yC,gBAAkB,M,EAGzB+E,oBAAA,SAAqBzG,EAASnJ,GAC5B,IAAI6W,OAAiDpwC,IAAjC3O,KAAKkU,OAAO8qC,iBAAiCh/C,KAAKkU,OAAO8qC,iBAAmBh/C,KAAKkU,OAAO+qC,sBAAwB/W,EAAa3J,eACjJ,OAAO8S,EAAUhpC,KAAKslB,IAAI,EAAGua,EAAa1J,cAAgBugB,I,uBE5F5D,WAAarkB,GAA+B,6BAAlBntB,EAAkB,iCAAlBA,EAAkB,yBAC1C,uBAAMmtB,GAAN,OAAcntB,KAAd,MANe2xC,gBAK2B,IAJpCC,WAA4B,KAIQ,EAHpCC,cAA+B,KAGK,EAFpCC,eAAiB,EAIvB,EAAKH,WAAa,EAAKlJ,KAAK11C,KAAV,OAFwB,E,kHAQlCy6B,oBAAV,WAEE/6B,KAAK2+C,gBACL3+C,KAAK0+C,iB,EAMAY,YAAP,WACE,QAASt/C,KAAKo/C,e,EAMTG,YAAP,WACE,QAASv/C,KAAKm/C,Y,EAOT1J,YAAP,SAAoB+J,GAClB,OAAKx/C,KAAKo/C,gBACRp/C,KAAKo/C,cAAgBp1C,KAAKyrC,YAAYz1C,KAAKk/C,WAAYM,IAChD,I,EAQJd,cAAP,WACE,QAAI1+C,KAAKo/C,gBACPp1C,KAAK00C,cAAc1+C,KAAKo/C,eACxBp/C,KAAKo/C,cAAgB,MACd,I,EAQJT,cAAP,WACE,QAAI3+C,KAAKm/C,aACPn1C,KAAKy1C,aAAaz/C,KAAKm/C,YACvBn/C,KAAKm/C,WAAa,MACX,I,EAUJnJ,KAAP,WACEh2C,KAAKq/C,iBACuB,IAAxBr/C,KAAKq/C,iBACPr/C,KAAKk2C,SAGDl2C,KAAKq/C,eAAiB,IAExBr/C,KAAK2+C,gBACL3+C,KAAKm/C,WAAan1C,KAAK01C,WAAW1/C,KAAKk/C,WAAY,IAErDl/C,KAAKq/C,eAAiB,I,EAQhBnJ,OAAV,a,GA9FoCzb,K,uKCrBd1wB,OAAhB+oB,Y,IACJ6sB,GAEiBC,G,oBACnB,WAAallB,GAAK,aAChB,cAAMA,EACJrlB,IAAMhS,gBACNgS,IAAM3R,aACN2R,IAAMrR,qBACNqR,IAAMzQ,YACNyQ,IAAM9P,QALR,MAOKs6C,SAAU,EACf,EAAKC,kBAAoB,KACzB,EAAKC,kBAAoB,EACzB,EAAKC,MAAQ,KAEbL,GAAkB,iBAAiB7oC,KAAKJ,UAAUD,UAAUE,eAb5C,E,wHAgBlBokB,oBAAA,WACE/6B,KAAKigD,aACLjgD,KAAK+/C,kBAAoB,G,EAG3BE,WAAA,WACqB,OAAfjgD,KAAKggD,QACPP,aAAaz/C,KAAKggD,OAClBhgD,KAAKggD,MAAQ,O,EAIjB1K,UAAA,WACE,IAAIpU,EAASlhC,KAAKkgD,QAElBlgD,KAAK6/C,SAAU,EACf7/C,KAAKmgD,gBAAkB,EAGnBjf,GACFA,EAAO/+B,SAAQ,SAAA46B,GACbA,EAAMqjB,UAAY,EAClB,IAAMlY,EAAenL,EAAMxnB,QACvB2yB,GAAgBA,EAAahK,OAC/BnB,EAAMxnB,aAAU5G,MAKH,OAAf3O,KAAKggD,OACPhgD,KAAKqgD,a,EAIT7K,SAAA,WACEx1C,KAAK6/C,SAAU,G,EAGjBS,iBAAA,SAAkBj6C,GAChB,IAEIk6C,EAFArf,EAAS,GACT0G,EAAc,GAEd4Y,EAAW,GACXC,EAAe,KACfC,GAAkB,EAClBC,GAAkB,EAyDtB,GAtDAt6C,EAAK66B,OAAO/+B,SAAQ,SAAA46B,GAClB,IAAM6jB,EAAa7jB,EAAM6B,MACzB7B,EAAMqjB,UAAY,EAClBrjB,EAAM8jB,eAAgB,EAEtBH,EAAkBA,KAAqB3jB,EAAM1kB,WAC7CsoC,EAAkBA,KAAqB5jB,EAAM5mB,WAIzCwpC,IAAmB5iB,EAAM5mB,aAA0D,IAA5C4mB,EAAM5mB,WAAW9M,QAAQ,gBAClE0zB,EAAM5mB,gBAAaxH,IAGrB8xC,EAAeD,EAASzjB,EAAM4E,UAQ5B8e,EAAa33C,IAAIlB,KAAKm1B,EAAMj0B,MAL5Bi0B,EAAMj0B,IAAM,CAACi0B,EAAMj0B,KACnBi0B,EAAMD,MAAQ,EACd0jB,EAASzjB,EAAM4E,SAAW5E,EAC1BmE,EAAOt5B,KAAKm1B,IAKV6jB,IACEA,EAAWxkB,QACbukB,GAAkB,EAClB7Q,EAAW2Q,GAAgB1jB,EAAO,QAAS6jB,EAAWxkB,QAEpDwkB,EAAWE,WACbhR,EAAW2Q,GAAgB1jB,EAAO,OAAQ6jB,EAAWE,eAMvDJ,GAAmBC,IACrBzf,EAASA,EAAOlP,QAAO,sBAAG3Z,eAI5B6oB,EAASA,EAAOlP,QAAO,YAAgC,IAA7B7b,EAA6B,EAA7BA,WAAYkC,EAAiB,EAAjBA,WACpC,QAASlC,GAAc2pB,EAAsB3pB,EAAY,aAAekC,GAAcynB,EAAsBznB,EAAY,aAGtHhS,EAAKuhC,cACPA,EAAcvhC,EAAKuhC,YAAY5V,QAAO,SAAA9b,GAAK,OAAKA,EAAMC,YAAc2pB,EAAsB5pB,EAAMC,WAAY,aAEhGhU,SAAQ,SAAC+T,EAAOvN,GAC1BuN,EAAMuC,GAAK9P,KAIXu4B,EAAO36B,OAAS,EAAG,CAErBg6C,EAAerf,EAAO,GAAGS,QAEzBT,EAAO1R,MAAK,SAACC,EAAG1K,GAAJ,OAAU0K,EAAEkS,QAAU5c,EAAE4c,WACpC3hC,KAAKkgD,QAAUhf,EAEf,IAAK,IAAIj6B,EAAI,EAAGA,EAAIi6B,EAAO36B,OAAQU,IACjC,GAAIi6B,EAAOj6B,GAAG06B,UAAY4e,EAAc,CACtCvgD,KAAK+gD,YAAc95C,EACnB3E,IAAOrB,IAAP,mBAA8BigC,EAAO36B,OAArC,kCAA6Eg6C,GAC7E,MAKJvgD,KAAK06B,IAAItlB,QAAQC,IAAM/R,gBAAiB,CACtC49B,SACA0G,cACAoZ,WAAYhhD,KAAK+gD,YACjBxtB,MAAOltB,EAAKktB,MACZlU,MAAOshC,EACPvhC,MAAOshC,EACPrL,SAAUzN,EAAYqZ,MAAK,SAAA3vC,GAAC,QAAMA,EAAExI,cAGtC9I,KAAK06B,IAAItlB,QAAQC,IAAM9P,MAAO,CAC5BhE,KAAMsE,IAAWyP,YACjBC,QAASzP,IAAao7C,mCACtBzrC,OAAO,EACP3M,IAAK9I,KAAK06B,IAAI5xB,IACd4M,OAAQ,uD,EAuBdyrC,iBAAA,SAAkBC,GAChB,IAAMlgB,EAASlhC,KAAKkgD,QACdxlB,EAAM16B,KAAK06B,IAEjB,GAAI0mB,GAAY,GAAKA,EAAWlgB,EAAO36B,OAAQ,CAG7C,GADAvG,KAAKigD,aACDjgD,KAAK8/C,oBAAsBsB,EAAU,CACvC9+C,IAAOrB,IAAP,sBAAiCmgD,GACjCphD,KAAK8/C,kBAAoBsB,EACzB,IAAMC,EAAkBngB,EAAOkgB,GAC/BC,EAAgBtkB,MAAQqkB,EACxB1mB,EAAItlB,QAAQC,IAAM9R,gBAAiB89C,GAErC,IAAMtkB,EAAQmE,EAAOkgB,GACflZ,EAAenL,EAAMxnB,QAG3B,IAAK2yB,GAAgBA,EAAahK,KAAM,CAEtC,IAAIpB,EAAQC,EAAMD,MAClBpC,EAAItlB,QAAQC,IAAM5R,cAAe,CAAEqF,IAAKi0B,EAAMj0B,IAAIg0B,GAAQC,MAAOqkB,EAAU3oC,GAAIqkB,UAIjFpC,EAAItlB,QAAQC,IAAM9P,MAAO,CACvBhE,KAAMsE,IAAWy1B,YACjB/lB,QAASzP,IAAaw7C,mBACtBvkB,MAAOqkB,EACP3rC,OAAO,EACPC,OAAQ,uB,EA+CdqxB,QAAA,SAAS1gC,GACP,GAAIA,EAAKoP,MACHpP,EAAK9E,OAASsE,IAAW+iC,eAC3B5oC,KAAKigD,iBAFT,CAQA,IACIsB,EADAC,GAAa,EAAOX,GAAgB,EAIxC,OAAQx6C,EAAKkP,SACb,KAAKzP,IAAaokC,gBAClB,KAAKpkC,IAAaqkC,kBAClB,KAAKrkC,IAAa2kC,eAClB,KAAK3kC,IAAa4kC,iBAChB6W,EAAal7C,EAAKgd,KAAK0Z,MACvB8jB,GAAgB,EAChB,MACF,KAAK/6C,IAAamjC,iBAClB,KAAKnjC,IAAakjC,mBAChBuY,EAAal7C,EAAKmG,QAAQuwB,MAC1BykB,GAAa,EACb,MACF,KAAK17C,IAAawqB,kBAChBixB,EAAal7C,EAAK02B,MAClBykB,GAAa,OAII7yC,IAAf4yC,GACFvhD,KAAKyhD,aAAap7C,EAAMk7C,EAAYC,EAAYX,K,EAcpDY,aAAA,SAAcC,EAAYH,EAAYC,EAAYX,GAAe,IAI3Dc,EAAiB7D,EAAO1D,EAJmC,OACzDlmC,EAAWlU,KAAK06B,IAAhBxmB,OACS0tC,EAAiBF,EAA1BnsC,QACFwnB,EAAQ/8B,KAAKkgD,QAAQqB,GAMzB,GAHAxkB,EAAMqjB,YACNrjB,EAAM8jB,cAAgBA,EAElBW,EAAY,CACd,KAAKxhD,KAAKmgD,gBAAkB,GAAMjsC,EAAOsyB,sBAgBvC,OANAlkC,IAAOlB,MAAP,yCAAsDwgD,EAAtD,UACA5hD,KAAK8/C,kBAAoB,KAEzB9/C,KAAKigD,kBAELyB,EAAWjsC,OAAQ,GAbnBqoC,EAAQz1C,KAAK0S,IAAI1S,KAAK+e,IAAI,EAAGpnB,KAAKmgD,iBAAmBjsC,EAAOuyB,uBAAwBvyB,EAAOwyB,6BAE3F1mC,KAAKggD,MAAQN,YAAW,kBAAM,EAAKW,cAAavC,GAEhD4D,EAAW3D,YAAa,EACxB/9C,KAAKmgD,kBACL79C,IAAOpB,KAAP,qBAAiC0gD,EAAjC,cAA2D9D,EAA3D,+BAA+F99C,KAAKmgD,kBAcpGqB,GAAcX,MAChBc,EAAkB5kB,EAAMj0B,IAAIvC,QAEN,GAAKw2B,EAAMqjB,UAAYuB,GAC3C5kB,EAAMD,OAASC,EAAMD,MAAQ,GAAK6kB,EAClC5kB,EAAMxnB,aAAU5G,EAEhBrM,IAAOpB,KAAP,qBAAiC0gD,EAAjC,cAA2DL,EAA3D,mCAAwGxkB,EAAMD,SAM/E,IAA3B98B,KAAK+/C,kBAEP3F,EAA4B,IAAfmH,EAAoBvhD,KAAKkgD,QAAQ35C,OAAS,EAAIg7C,EAAa,EACxEj/C,IAAOpB,KAAP,qBAAiC0gD,EAAjC,eAA4DxH,GAC5Dp6C,KAAK06B,IAAImnB,cAAgB7hD,KAAK8/C,kBAAoB1F,GACzCyG,IAGTv+C,IAAOpB,KAAP,qBAAiC0gD,EAAjC,uBACA5hD,KAAK8/C,kBAAoB,Q,EAOjCpT,aAAA,YAAwB,IAARrpB,EAAQ,EAARA,KACd,QAAa1U,IAAT0U,GAAoC,SAAdA,EAAK9hB,KAAiB,CAC9C,IAAMw7B,EAAQ/8B,KAAKkgD,QAAQ78B,EAAK0Z,YAClBpuB,IAAVouB,IACFA,EAAM8jB,eAAgB,EACtB9jB,EAAMqjB,UAAY,EAClBpgD,KAAKmgD,gBAAkB,K,EAK7B7E,cAAA,SAAej1C,GAAM,WACX02B,EAAmB12B,EAAnB02B,MAAOxnB,EAAYlP,EAAZkP,QAEf,GAAIwnB,IAAU/8B,KAAK8/C,kBAAnB,CAIA,IAAMrE,EAAWz7C,KAAKkgD,QAAQnjB,GAO9B,GALK0e,EAASoF,gBACZpF,EAAS2E,UAAY,EACrBpgD,KAAKmgD,gBAAkB,GAGrB5qC,EAAQ2oB,KAAM,CAChB,IAAM4jB,ERzLL,SAAgCC,EAAiBjR,EAAakR,GACnE,IAAIF,EAAiB,KAAQhR,EAAYjN,sBAAwBiN,EAAYjN,sBAAwBiN,EAAYvS,gBAC3G0jB,EAAoBH,EAAiB,EAY3C,OAXIC,GAAmBjR,EAAY9S,QAAU+jB,EAAgB/jB,QAI3D8jB,EAAiBG,GAGfD,IACFF,EAAiBz5C,KAAKslB,IAAIs0B,EAAmBH,GAAkB/3C,OAAO+oB,YAAYlG,MAAQo1B,KAGrF35C,KAAKC,MAAMw5C,GQ2KSI,CAAsBzG,EAASlmC,QAASA,EAASlP,EAAKktB,MAAM4uB,UACnF7/C,IAAOrB,IAAP,4BAAuCoH,KAAKC,MAAMw5C,GAAlD,OACA9hD,KAAKggD,MAAQN,YAAW,kBAAM,EAAKW,cAAayB,QAEhD9hD,KAAKigD,e,EAIT7C,qBAAA,SAAsB/2C,GACpB,IAAM+7C,EAAepiD,KAAK06B,IAAIkN,YAAYvhC,EAAKoS,IAAI0pB,QAE7Cga,EAAen8C,KAAK06B,IAAIwG,OAAOlhC,KAAK8/C,mBAC1C,GAAK3D,GAIDA,EAAapM,cAAe,CAG9B,IAFA,IAAIjT,GAAS,EAEJ71B,EAAI,EAAGA,EAAIk1C,EAAapM,cAAcxpC,OAAQU,IACrD,GAAIk1C,EAAapM,cAAc9oC,KAAOm7C,EAAc,CAClDtlB,EAAQ71B,EACR,MAIA61B,IAAUqf,EAAarf,QACzBqf,EAAarf,MAAQA,EACrB98B,KAAKs1C,e,EAKX+K,UAAA,WAGE,GAFA/9C,IAAOtB,MAAM,qBAEkB,OAA3BhB,KAAK8/C,mBAA8B9/C,KAAK6/C,QAAS,CACnD,IAAMwC,EAAcriD,KAAKkgD,QAAQlgD,KAAK8/C,mBAEtC,GAA2B,iBAAhBuC,GACTA,EAAYv5C,IAAIvC,OAAS,EAAG,CAC5B,IAAMw2B,EAAQ/8B,KAAK8/C,kBACbrnC,EAAK4pC,EAAYvlB,MACjBh0B,EAAMu5C,EAAYv5C,IAAI2P,GAE5BnW,IAAOrB,IAAP,+BAA0C87B,EAA1C,gBAA+DtkB,GAK/DzY,KAAK06B,IAAItlB,QAAQC,IAAM5R,cAAe,CAAEqF,MAAKi0B,QAAOtkB,U,qCAtRxD,OAAOzY,KAAKkgD,U,4BAIZ,OAAOlgD,KAAK8/C,mB,aAGHsB,GACT,IAAIlgB,EAASlhC,KAAKkgD,QACdhf,IACFkgB,EAAW/4C,KAAK0S,IAAIqmC,EAAUlgB,EAAO36B,OAAS,GAC1CvG,KAAK8/C,oBAAsBsB,GAAalgB,EAAOkgB,GAAU7rC,SAC3DvV,KAAKmhD,iBAAiBC,M,kCAyC1B,OAAOphD,KAAK+/C,kB,aAGGqB,GACfphD,KAAK+/C,iBAAmBqB,OACCzyC,IAArB3O,KAAKsiD,cACPtiD,KAAKsiD,YAAclB,IAGH,IAAdA,IACFphD,KAAK+8B,MAAQqkB,K,iCAKf,OAAOphD,KAAK+gD,a,aAGEK,GACdphD,KAAK+gD,YAAcK,I,iCAMnB,QAAyBzyC,IAArB3O,KAAKsiD,YAA2B,CAClC,IAAIC,EAAmBviD,KAAK06B,IAAIxmB,OAAO0hC,WACvC,YAAyBjnC,IAArB4zC,EACKA,EAEAviD,KAAK+gD,YAGd,OAAO/gD,KAAKsiD,a,aAIAlB,GACdphD,KAAKsiD,YAAclB,I,oCAiMnB,OAA+B,IAA3BphD,KAAK+/C,iBACA//C,KAAK+/C,iBAEL//C,KAAK06B,IAAImnB,e,aAIDzH,GACjBp6C,KAAK+8B,MAAQqd,GACkB,IAA3Bp6C,KAAK+/C,mBACP//C,KAAK06B,IAAImnB,cAAgBzH,Q,gCAlcc3f,G,QCbtC,SAAS+nB,GAAmBtsC,EAAkBusC,GACnD,IAAI71C,EACJ,IACEA,EAAQ,IAAIyI,MAAM,YAClB,MAAOL,IAEPpI,EAAQ81C,SAASC,YAAY,UACvBC,UAAU,YAAY,GAAO,GAEpCh2C,EAAcsJ,MAAQA,EACvBusC,EAAQI,cAAcj2C,GAqBjB,SAASk2C,GAAeC,EAAyCtX,GAEtE,GAAIA,EAAOsX,EAAK,GAAGzvB,QACjB,OAAOyvB,EAAK,GAGd,GAAItX,EAAOsX,EAAKA,EAAKx8C,OAAS,GAAG+sB,QAC/B,OAAOyvB,EAAKA,EAAKx8C,OAAS,GAM5B,IAHA,IAAIy8C,EAAO,EACPC,EAAQF,EAAKx8C,OAAS,EAEnBy8C,GAAQC,GAAO,CACpB,IAAMC,EAAM76C,KAAKoW,OAAOwkC,EAAQD,GAAQ,GAExC,GAAIvX,EAAOsX,EAAKG,GAAK5vB,QACnB2vB,EAAQC,EAAM,MACT,MAAIzX,EAAOsX,EAAKG,GAAK5vB,SAI1B,OAAOyvB,EAAKG,GAHZF,EAAOE,EAAM,GAQjB,OAAQH,EAAKC,GAAM1vB,QAAUmY,EAASA,EAAOsX,EAAKE,GAAO3vB,QAAWyvB,EAAKC,GAAQD,EAAKE,G,ICyEzEE,G,oBAzHb,WAAazoB,GAAK,aAChB,cAAMA,EACJrlB,IAAM5S,eACN4S,IAAM3S,gBACN2S,IAAMrQ,sBACNqQ,IAAMxR,2BAJR,MAOKod,cAAWtS,EAChB,EAAKuzB,WAAQvzB,EATG,E,kHAYlBoF,QAAA,WACE0mB,EAAaj6B,UAAUuT,QAAQrT,KAAKV,O,EAItCy6C,gBAAA,SAAiBp0C,GACfrG,KAAKkiC,MAAQ77B,EAAK67B,MACbliC,KAAKkiC,O,EAKZ+Y,iBAAA,YDrBK,SAA2B/kC,GAChC,GAAIA,GAASA,EAAM6sC,KACjB,KAAO7sC,EAAM6sC,KAAKx8C,OAAS,GACzB2P,EAAMktC,UAAUltC,EAAM6sC,KAAK,ICmB7BM,CAAiBrjD,KAAKihB,UACtBjhB,KAAKihB,cAAWtS,EAChB3O,KAAKkiC,WAAQvzB,G,EAGf20C,YAAA,SAAaC,GACX,IAAK,IAAIt8C,EAAI,EAAGA,EAAIs8C,EAAWh9C,OAAQU,IAAK,CAC1C,IAAI4b,EAAY0gC,EAAWt8C,GAC3B,GAAuB,aAAnB4b,EAAU2gC,MAA2C,QAApB3gC,EAAU4gC,MAK7C,OAFAjB,GAAkB3/B,EAAW7iB,KAAKkiC,OAE3Brf,EAGX,OAAO7iB,KAAKkiC,MAAMwhB,aAAa,WAAY,Q,EAG7CC,wBAAA,YAAwC,IAAbpV,EAAa,EAAbA,UACzB,GAAKvuC,KAAKihB,UAAajhB,KAAKihB,SAAS8hC,MAAS/iD,KAAKihB,SAAS8hC,KAAKx8C,OAAjE,CAGA,IAAMq9C,EAAWd,GAAc9iD,KAAKihB,SAAS8hC,KAAMxU,GACnD,GAAKqV,EAKL,IADA,IAAIC,GAAa,EACVA,GAAY,CACjB,IAAMC,EAAM9jD,KAAKihB,SAAS8hC,KAAK,GAC/B,IAAK/iD,KAAKihB,SAAS8hC,KAAKx8C,QAAUu9C,EAAIrrC,KAAOmrC,EAASnrC,GAEpD,YADAorC,GAAa,GAGf7jD,KAAKihB,SAASmiC,UAAUU,M,EAI5BC,sBAAA,SAAuB19C,GACrB,IAAMsF,EAAWtF,EAAKgd,KAChBtL,EAAU1R,EAAK0R,QAGhB/X,KAAKihB,WACRjhB,KAAKihB,SAAWjhB,KAAKsjD,YAAYtjD,KAAKkiC,MAAMqhB,YAC5CvjD,KAAKihB,SAAS+iC,KAAO,UAQvB,IAFA,IAAIC,EAAMl6C,OAAOm6C,eAAiBn6C,OAAOo6C,QAAUp6C,OAAOq6C,aAEjDn9C,EAAI,EAAGA,EAAI8Q,EAAQxR,OAAQU,IAAK,CACvC,IAAMF,EAASZ,KAAIa,aAAa+Q,EAAQ9Q,GAAGZ,MAC3C,GAAIU,EAAQ,CACV,IAAMssB,EAAYtb,EAAQ9Q,GAAGoQ,IACzBic,EAAUrsB,EAAI8Q,EAAQxR,OAAS,EAAIwR,EAAQ9Q,EAAI,GAAGoQ,IAAM1L,EAASmiB,OAEjEuF,IAAcC,EAEhBA,GAAW,KACFD,EAAYC,IACrBhxB,IAAOpB,KAAK,4FACZoyB,EAAUD,EAAY,KAGxB,IAAK,IAAIzkB,EAAI,EAAGA,EAAI7H,EAAOR,OAAQqI,IAAK,CACtC,IAAM1H,EAAQH,EAAO6H,GAErB,IAAKzI,KAAIgB,iBAAiBD,GAAQ,CAChC,IAAM48C,EAAM,IAAIG,EAAI5wB,EAAWC,EAAS,IACxCwwB,EAAI1jD,MAAQ8G,EACZlH,KAAKihB,SAASojC,OAAOP,Q,EAO/BH,wBAAA,YAAwC,IAAbpV,EAAa,EAAbA,UACjBttB,EAAajhB,KAAbihB,SACR,GAAKA,GAAaA,EAAS8hC,MAAS9hC,EAAS8hC,KAAKx8C,OAAlD,CAGA,IAAMq9C,EAAWd,GAAc7hC,EAAS8hC,KAAMxU,GAC9C,GAAKqV,EAGL,KAAO3iC,EAAS8hC,KAAK,KAAOa,GAC1B3iC,EAASmiC,UAAUniC,EAAS8hC,KAAK,M,GArHNtoB,G,IC6BlB6pB,G,WA3Bb,WAAaC,GAAkB,KALvBC,YAKuB,OAJvBC,eAIuB,OAHvBC,kBAGuB,EAE7B1kD,KAAKwkD,OAASD,EAAWl8C,KAAKs8C,IAAIt8C,KAAKpH,IAAI,IAAOsjD,GAAY,EAC9DvkD,KAAKykD,UAAY,EACjBzkD,KAAK0kD,aAAe,E,2BAGtB1sC,OAAA,SAAQ4sC,EAAgBxkD,GACtB,IAAIykD,EAAWx8C,KAAK+e,IAAIpnB,KAAKwkD,OAAQI,GACrC5kD,KAAKykD,UAAYrkD,GAAS,EAAIykD,GAAYA,EAAW7kD,KAAKykD,UAC1DzkD,KAAK0kD,cAAgBE,G,EAGvBE,eAAA,WACE,OAAO9kD,KAAK0kD,c,EAGdK,YAAA,WACE,GAAI/kD,KAAKwkD,OAAQ,CACf,IAAIQ,EAAa,EAAI38C,KAAK+e,IAAIpnB,KAAKwkD,OAAQxkD,KAAK0kD,cAChD,OAAO1kD,KAAKykD,UAAYO,EAExB,OAAOhlD,KAAKykD,W,KC0BHQ,G,WAxCb,WAAavqB,EAAUwqB,EAAcC,EAAcC,GAAyB,KAT5E1qB,SAS4E,OAPpE2qB,sBAOoE,OANpEC,gBAMoE,OALpEC,iBAKoE,OAJpEC,WAIoE,OAHpEC,WAGoE,EAC1EzlD,KAAK06B,IAAMA,EACX16B,KAAKqlD,iBAAmBD,EACxBplD,KAAKslD,WAAa,KAClBtlD,KAAKulD,YAAc,GACnBvlD,KAAKwlD,MAAQ,IAAIlB,GAAKY,GACtBllD,KAAKylD,MAAQ,IAAInB,GAAKa,G,2BAGxBntC,OAAA,SAAQ0tC,EAAoBC,GAE1B,IAEEC,GAHFF,EAAar9C,KAAKslB,IAAI+3B,EAAY1lD,KAAKulD,cAGZ,IAEzBM,EAJY,EAAIF,EAIWC,EAC7B5lD,KAAKylD,MAAMztC,OAAO4tC,EAAWC,GAC7B7lD,KAAKwlD,MAAMxtC,OAAO4tC,EAAWC,I,EAG/BC,YAAA,WACE,IAAIX,EAAOnlD,KAAKylD,MAChB,OAAQN,GAAQA,EAAKL,kBAAoB9kD,KAAKslD,Y,EAGhDP,YAAA,WACE,OAAI/kD,KAAK8lD,cAKAz9C,KAAK0S,IAAI/a,KAAKylD,MAAMV,cAAe/kD,KAAKwlD,MAAMT,eAE9C/kD,KAAKqlD,kB,EAIhBtxC,QAAA,a,gLC5CM+e,GAAgB/oB,OAAhB+oB,YAgUOizB,G,oBA7Tb,WAAarrB,GAAK,aAChB,cAAMA,EAAKrlB,IAAM5Q,aACf4Q,IAAMzQ,YACNyQ,IAAMlQ,cACNkQ,IAAM9P,QAHR,MAIKygD,oBAAsB,EAC3B,EAAKC,gBAAkB,EACvB,EAAKvrB,IAAMA,EACX,EAAKslB,MAAQ,KACb,EAAKkG,aAAe,KACpB,EAAKC,QAAU,EAAKC,mBAAmB9lD,K,yHAAxB,KAVC,E,wHAalByT,QAAA,WACE/T,KAAKigD,aACLxlB,EAAaj6B,UAAUuT,QAAQrT,KAAKV,O,EAGtCupC,cAAA,SAAeljC,GACb,IAAMgd,EAAOhd,EAAKgd,KAClB,GAAkB,SAAdA,EAAK9hB,OACFvB,KAAKggD,QACRhgD,KAAKg5C,YAAc31B,EACnBrjB,KAAKggD,MAAQvK,YAAYz1C,KAAKmmD,QAAS,OAKpCnmD,KAAKkmD,cAAc,CACtB,IAKIG,EACAC,EANE5rB,EAAM16B,KAAK06B,IACXxmB,EAASwmB,EAAIxmB,OACb6oB,EAAQ1Z,EAAK0Z,MACJrC,EAAIwG,OAAOnE,GAAOxnB,QAAQ2oB,MAKvCmoB,EAAWnyC,EAAOqyC,gBAClBD,EAAWpyC,EAAOsyC,kBAElBH,EAAWnyC,EAAOuyC,eAClBH,EAAWpyC,EAAOwyC,gBAEpB1mD,KAAKkmD,aAAe,IAAIjB,GAAuBvqB,EAAK4rB,EAAUD,EAAUnyC,EAAOyyC,0B,EAKrFP,mBAAA,WAME,IAAM1rB,EAAM16B,KAAK06B,IACXtb,EAAQsb,EAAIwH,MACZ7e,EAAOrjB,KAAKg5C,YAElB,GAAK31B,EAAL,CAIA,IAAM4Z,EAAS5Z,EAAK4Z,OACd2pB,EAAelsB,EAAIksB,aAGzB,IAAK3pB,GAAWA,EAAO1J,OAAS0J,EAAO1J,MAAMszB,QAK3C,OAJAvkD,IAAOpB,KAAK,uDACZlB,KAAKigD,kBAELjgD,KAAKimD,gBAAkB,GAGzB,IAAI1yB,EAAQ0J,EAAO1J,MAGnB,GAAInU,GAASmU,KAAYnU,EAAMu0B,QAAkC,IAAvBv0B,EAAMy0B,eAAyBz0B,EAAM24B,aAAe10B,EAAK41B,WAAa51B,EAAK0Z,MAAO,CAC1H,IAAM+pB,EAAeh0B,GAAYlG,MAAQ2G,EAAM4uB,SACzCtO,EAAexrC,KAAK0e,IAAI3H,EAAMy0B,cAGpC,GAAIiT,EAAgB,IAAMzjC,EAAK/K,SAAWu7B,EAAe,CACvD,IAAM3S,EAASxG,EAAIwG,OACb6lB,EAAW1+C,KAAKslB,IAAI,EAAG4F,EAAMyzB,GAAKzzB,EAAMyzB,GAAK,EAAmB,IAAfzzB,EAAMoW,OAAgBmd,GAGvE/pB,EAAQmE,EAAO7d,EAAK0Z,OACpB4Z,EAAe5Z,EAAMkqB,YAAc5+C,KAAKslB,IAAIoP,EAAMkqB,YAAalqB,EAAM4E,SAAW5E,EAAM4E,QACtFulB,EAAc3zB,EAAMmqB,MAAQnqB,EAAMmqB,MAAQr1C,KAAKslB,IAAI4F,EAAMoW,OAAQthC,KAAKC,MAAM+a,EAAK/K,SAAWq+B,EAAe,IAC3G3wB,EAAM5G,EAAMsvB,YACZyY,GAAmBD,EAAc3zB,EAAMoW,QAAUod,EACjDK,GAAyB3Z,EAAaE,WAAWvuB,EAAO4G,EAAK0U,EAAIxmB,OAAO6c,eAAetpB,IAAMue,GAAO6tB,EAK1G,GAAKuT,EAAyB,EAAI/jC,EAAK/K,SAAWu7B,GAAmBsT,EAAkBC,EAAwB,CAC7G,IACIvR,EAGJ,IAAKA,EAAgBxyB,EAAK0Z,MAAQ,EAAG8Y,EAAgB+Q,EAAc/Q,IAAiB,CAIlF,IAAMwR,EAAmBnmB,EAAO2U,GAAeoR,YAC3C5+C,KAAKslB,IAAIuT,EAAO2U,GAAeoR,YAAa/lB,EAAO2U,GAAelU,SAClET,EAAO2U,GAAelU,QAI1B,GAFiCte,EAAK/K,SAAW+uC,GAAoB,IAAUN,GAEhDK,EAE7B,WAhBAE,EAqB2BH,IAC7B7kD,IAAOpB,KAAP,gEAA4E20C,EAA5E,oBAA6GA,EAA7G,sBAA+IxyB,EAAK0Z,MAAQ,GAA5J,iCAtBEuqB,GAsB+MnW,QAAQ,GAAzN,IAA+NgW,EAAgBhW,QAAQ,GAAvP,IAA6PiW,EAAsBjW,QAAQ,IAE3RzW,EAAImb,cAAgBA,EAEpB71C,KAAKkmD,aAAaluC,OAAO8uC,EAAcvzB,EAAMoW,QAE7C1M,EAAOiJ,QAEPlmC,KAAKigD,aACLvlB,EAAItlB,QAAQC,IAAM1Q,4BAA6B,CAAE0e,KAAMA,EAAMkQ,MAAOA,U,EAO9EmZ,aAAA,SAAcrmC,GACZ,IAAMgd,EAAOhd,EAAKgd,KAClB,GAAkB,SAAdA,EAAK9hB,MAAmB,YAAgB8hB,EAAK2H,IAAK,CASpD,GAPAhrB,KAAKigD,aAELjgD,KAAKgmD,oBAAsB3iC,EAAK0Z,MAEhC/8B,KAAKimD,gBAAkB,EAGnBjmD,KAAK06B,IAAIxmB,OAAOqzC,sBAAuB,CACzC,IAAMxqB,EAAQ/8B,KAAK06B,IAAIwG,OAAO7d,EAAK0Z,OAC/ByqB,GAAezqB,EAAM4M,OAAS5M,EAAM4M,OAAOvkB,MAAQ,GAAK/e,EAAKktB,MAAMoW,OACnE8d,GAAkB1qB,EAAM4M,OAAS5M,EAAM4M,OAAOrxB,SAAW,GAAKjS,EAAKgd,KAAK/K,SAC5EykB,EAAM4M,OAAS,CAAEvkB,MAAOoiC,EAAalvC,SAAUmvC,GAC/C1qB,EAAMkqB,YAAc5+C,KAAKC,MAAM,EAAIk/C,EAAcC,GAGnD,GAAIphD,EAAKgd,KAAKspB,YAAa,CACzB,IAAIpZ,EAAQltB,EAAKktB,MACjBA,EAAM6U,QAAU7U,EAAM6oB,UAAY7oB,EAAMgU,MACxCvnC,KAAK6sC,eAAexmC,M,EAK1BwmC,eAAA,SAAgBxmC,GACd,IAAMktB,EAAQltB,EAAKktB,MACblQ,EAAOhd,EAAKgd,KAKlB,IAAsB,IAAlBkQ,EAAMszB,SAAkC,SAAdxjC,EAAK9hB,MAAmB,YAAgB8hB,EAAK2H,OAAU3H,EAAKspB,aAAepZ,EAAMgU,QAAUhU,EAAM6oB,WAAa,CAI1I,IAAIsL,EAA0Bn0B,EAAM6U,QAAU7U,EAAM4uB,SACpD7/C,IAAOrB,IAAP,uCAAkDoH,KAAKC,MAAMirB,EAAMoqB,OAASpqB,EAAM4uB,UAAlF,IAA+F95C,KAAKC,MAAMirB,EAAMgU,MAAQhU,EAAMoqB,QAA9H,IAAyIt1C,KAAKC,MAAMirB,EAAM6U,QAAU7U,EAAMgU,OAA1K,IAAoLl/B,KAAKC,MAAMirB,EAAM6oB,UAAY7oB,EAAM6U,SAAvN,IAAmO//B,KAAKC,MAAM,EAAIirB,EAAMoW,QAAUpW,EAAM6oB,UAAY7oB,EAAM4uB,YAC1RniD,KAAKkmD,aAAaluC,OAAO0vC,EAAyBn0B,EAAMoW,QACxDpW,EAAMo0B,WAAa3nD,KAAKkmD,aAAanB,cAEjC1hC,EAAKspB,YACP3sC,KAAK4nD,iBAAmBF,EAA0B,IAElD1nD,KAAK4nD,iBAAmB,I,EAK9B7gB,QAAA,SAAS1gC,GAEP,OAAQA,EAAKkP,SACb,KAAKzP,IAAaokC,gBAClB,KAAKpkC,IAAaqkC,kBAChBnqC,KAAKigD,e,EAOTA,WAAA,WACEvB,cAAc1+C,KAAKggD,OACnBhgD,KAAKggD,MAAQ,M,EAqEf6H,eAAA,SAAgB1L,EAAc2L,EAAqBC,EAAWnB,EAAcoB,EAAcC,EAAkBC,EAAUC,EAAYjnB,GAChI,IAAK,IAAIj6B,EAAI+gD,EAAc/gD,GAAK2/C,EAAc3/C,IAAK,CACjD,IAAIwvC,EAAYvV,EAAOj6B,GAEvB,GAAKwvC,EAAL,CAIA,IAAMvO,EAAeuO,EAAUlhC,QACzB6yC,EAAclgB,EAAeA,EAAa1J,cAAgB0J,EAAajK,UAAU13B,OAASuhD,EAC1F5pB,IAAOgK,GAAeA,EAAahK,KAErCmqB,OAAU,EAQZA,EADEphD,GAAKk1C,EACM+L,EAAWH,EAEXI,EAAaJ,EAG5B,IAAMpmB,EAAUT,EAAOj6B,GAAGggD,YAAc5+C,KAAKslB,IAAIuT,EAAOj6B,GAAGggD,YAAa/lB,EAAOj6B,GAAG06B,SAAWT,EAAOj6B,GAAG06B,QACjG2mB,EAAgB3mB,EAAUymB,EAAcC,EAI9C,GAFA/lD,IAAOvB,MAAP,wEAAqFkG,EAArF,IAA0FoB,KAAKC,MAAM+/C,GAArG,IAAoH1mB,EAApH,IAA+HymB,EAA/H,IAA8IH,EAA9I,IAAkKK,GAE9JD,EAAa1mB,KAIb2mB,GAAkBpqB,IAASl+B,KAAK4nD,kBAAqBU,EAAgBL,GAEvE,OAAOhhD,GAIX,OAAQ,G,4CAxGR,IAAMshD,EAAkBvoD,KAAKimD,eACvBuC,EAAcxoD,KAAKkmD,aAEzB,MAAyB,IAArBqC,GAA4BC,GAAgBA,EAAY1C,eAC1D,OAAOyC,EAIT,IAAIE,EAAmBzoD,KAAK0oD,kBAM5B,OAJyB,IAArBH,IACFE,EAAmBpgD,KAAK0S,IAAIwtC,EAAiBE,IAGxCA,G,aA6FUrO,GACjBp6C,KAAKimD,eAAiB7L,I,wCA3FtB,IAAI1f,EAAM16B,KAAK06B,IACPstB,EAA+CttB,EAA/CstB,aAAc9mB,EAAiCxG,EAAjCwG,OAAQhtB,EAAyBwmB,EAAzBxmB,OAAQ0yC,EAAiBlsB,EAAjBksB,aAChCxnC,EAAQsb,EAAIwH,MACZia,EAAen8C,KAAKgmD,oBACpB8B,EAAsB9nD,KAAKg5C,YAAch5C,KAAKg5C,YAAY1gC,SAAW,EACrE0N,EAAO5G,EAAQA,EAAMsvB,YAAc,EAInCmF,EAAiBz0B,GAAiC,IAAvBA,EAAMy0B,aAAuBxrC,KAAK0e,IAAI3H,EAAMy0B,cAAgB,EACvF8U,EAAQ3oD,KAAKkmD,aAAelmD,KAAKkmD,aAAanB,cAAgB7wC,EAAOyyC,uBAErES,GAAyB3Z,EAAaE,WAAWvuB,EAAO4G,EAAK9R,EAAO6c,eAAetpB,IAAMue,GAAO6tB,EAGlG+U,EAAY5oD,KAAK6nD,eAAe1L,EAAc2L,EAAqBa,EAAO/B,EAAcoB,EAAcZ,EAAuBlzC,EAAO20C,mBAAoB30C,EAAO40C,qBAAsB5nB,GACzL,GAAI0nB,GAAa,EACf,OAAOA,EAEPtmD,IAAOvB,MAAM,+FAGb,IAAIgoD,EAAqBjB,EAAsBz/C,KAAK0S,IAAI+sC,EAAqB5zC,EAAO60C,oBAAsB70C,EAAO60C,mBAC7Gb,EAAWh0C,EAAO20C,mBAClBV,EAAaj0C,EAAO40C,qBAExB,GAA8B,IAA1B1B,EAA6B,CAE/B,IAAIQ,EAAmB5nD,KAAK4nD,iBACxBA,IAOFmB,GADwBjB,EAAsBz/C,KAAK0S,IAAI+sC,EAAqB5zC,EAAO80C,iBAAmB90C,EAAO80C,iBACtEpB,EACvCtlD,IAAOvB,MAAP,qBAAkCsH,KAAKC,MAAM,IAAOs/C,GAApD,+CAAoHv/C,KAAKC,MAAM,IAAOygD,GAAtI,OAEAb,EAAWC,EAAa,GAI5B,OADAS,EAAY5oD,KAAK6nD,eAAe1L,EAAc2L,EAAqBa,EAAO/B,EAAcoB,EAAcZ,EAAwB2B,EAAoBb,EAAUC,EAAYjnB,GACjK74B,KAAKslB,IAAIi7B,EAAW,Q,gCA1QLnuB,GCa5B,IAAMsF,GAAc4O,IAotBLsa,G,oBA5pBb,WAAavuB,GAAU,aACrB,cAAMA,EACJruB,IAAO7J,gBACP6J,IAAO3J,gBACP2J,IAAO/I,gBACP+I,IAAOzJ,aACPyJ,IAAOtJ,iBACPsJ,IAAOxJ,cACPwJ,IAAOpJ,WACPoJ,IAAOnJ,gBACPmJ,IAAOzI,kBACPyI,IAAO1I,gBAVT,MApDMulD,YAA6B,KAmDd,EAjDfC,eAAgC,KAiDjB,EA/CfC,qBAA+B,GA+ChB,EA7CfC,MAAwB,KA6CT,EA3CfC,WAA4B,KA2Cb,EAxCfC,aAAuB,EAwCR,EArCfC,WAAqB,EAqCN,EAnCft1C,YAmCe,IAhChBu1C,0BAgCgB,IA7BhBC,0BAAoC,EA6BpB,EA1BfC,wBAAkC,EA0BnB,EAvBhBznB,MAAiC,KAuBjB,EApBhB0nB,YAAkC,KAoBlB,EAjBhBC,SAAsB,GAiBN,EAfhB/M,YAegB,IAZhBgN,WAAqB,EAYL,EAThBxN,SAAmB,EASH,EARhByN,YAAsB,EAQN,EAPhBC,mBAA6B,EAOb,EALhB9+B,OAAmB,GAKH,EAJhB++B,cAA0B,GAIV,EAHhBC,aAA8B,GAGd,EAFhBC,WAAuC,GAEvB,EAwJfC,mBAAqB,WAC3B9nD,IAAOrB,IAAI,uBACX,EAAKy5B,IAAItlB,QAAQ/I,IAAO5J,eAAgB,CAAEy/B,MAAO,EAAKA,QACtD,IAAI0nB,EAAc,EAAKA,YACnBA,GAEFA,EAAYna,oBAAoB,aAAc,EAAK2a,oBAErD,EAAKC,sBAhKgB,EAmKfC,oBAAsB,WAC5BhoD,IAAOrB,IAAI,wBApKU,EAuKfspD,oBAAsB,WAC5BjoD,IAAOrB,IAAI,uBAxKU,EA2KfupD,eAAiB,WAEvB,GAAI,EAAKf,sBAAwB,EAAKS,aAAa7qC,MAAO,CACxD,IAAIorC,EAAc,EAAKP,aAAa7qC,MAEpC/c,IAAOpB,KAAP,2CAAuDupD,EAAYC,gBAAnE,OAAyF,EAAKjB,sBAC9FgB,EAAYC,gBAAkB,EAAKjB,4BAC5B,EAAKA,qBAGV,EAAKF,aACP,EAAKoB,UAGH,EAAKnB,WACP,EAAKoB,WAGP,EAAKd,WAAY,EACjB,IAAIhN,EAAS,EAAKA,OAEdW,EAAU,EAAKoM,SAASh6B,QAAO,SAACg7B,EAASC,GAAV,OAAuBA,EAAQhO,SAAWA,EAAU+N,EAAU,EAAIA,IAAS,GAGxG/f,EAA4D,GAC5DigB,EAAQ,EAAKb,aACnB,IAAK,IAAIr3B,KAAck4B,EAAO,CAC5B,IAAMC,EAAKD,EAAMl4B,GACjB,IAAKm4B,EACH,MAAMlgD,MAAM,8DAA8D+nB,EAA/D,2DAEbiY,EAAWjY,GAAkCm4B,EAAG7f,SAGlD,EAAKzQ,IAAItlB,QAAQ/I,IAAOrJ,gBAAiB,CAAE85C,SAAQW,UAAS3S,eAEvD,EAAKye,aACR,EAAK0B,cAGP,EAAKC,6BAGW,IAAZzN,GACF,EAAK0N,uBAvNc,EA2NfC,iBAAmB,SAACx+C,GAC1BtK,IAAOlB,MAAM,sBAAuBwL,GAIpC,EAAK8tB,IAAItlB,QAAQ/I,IAAO9G,MAAO,CAAEhE,KAAMsE,IAAWyP,YAAaC,QAASzP,IAAaulD,uBAAwB51C,OAAO,KAnNpH,EAAKvB,OAASwmB,EAAIxmB,OAbG,E,kHAgBvBH,QAAA,WACE0mB,EAAaj6B,UAAUuT,QAAQrT,KAAKV,O,EAGtCsrD,kBAAA,SAAmBjlD,GACjB,IAAI9E,EAAO8E,EAAK9E,KACZyf,EAAahhB,KAAKkrB,OAAO7L,MAS7B,GAAa,UAAT9d,GAAoByf,GAAuC,eAAzBA,EAAWxI,UAA4B,CAC3E,IAAIiyC,EAAczqD,KAAKkqD,aAAa7qC,MACpC,IAAKorC,EACH,MAAM3/C,MAAM,8DAMd,GAHYzC,KAAK0e,IAAI0jC,EAAYC,gBAAkBrkD,EAAKsa,OAG5C,GAAK,CACf,IAAI4qC,EAAWd,EAAYc,SAE3B,IACEd,EAAYvkB,QACZ,MAAOlxB,GACP1S,IAAOpB,KAAK,+BAAiC8T,GAG1Cu2C,EAIHvrD,KAAKypD,qBAAuBpjD,EAAKsa,OAHjCre,IAAOpB,KAAK,2CAA6CupD,EAAYC,gBAAkB,OAASrkD,EAAKsa,OACrG8pC,EAAYC,gBAAkBrkD,EAAKsa,U,EAQ3Cu6B,iBAAA,SAAkB70C,GAKhBrG,KAAK0pD,0BAA4B1pD,KAAK2pD,wBAA0BtjD,EAAKgvC,SAAW,EAAI,EACpF/yC,IAAOrB,IAAOjB,KAAK0pD,0BAAnB,mC,EAGF8B,iBAAA,SAAkBnlD,GAChB,IAAI67B,EAAQliC,KAAKkiC,MAAQ77B,EAAK67B,MAC9B,GAAIA,GAASnC,GAAa,CAExB,IAAI0rB,EAAKzrD,KAAK4pD,YAAc,IAAI7pB,GAEhC0rB,EAAGvxB,iBAAiB,aAAcl6B,KAAKoqD,oBACvCqB,EAAGvxB,iBAAiB,cAAel6B,KAAKuqD,qBACxCkB,EAAGvxB,iBAAiB,cAAel6B,KAAKsqD,qBAExCpoB,EAAMpJ,IAAM/uB,OAAOuvB,IAAII,gBAAgB+xB,GAEvCzrD,KAAKspD,WAAapnB,EAAMpJ,M,EAI5BmiB,iBAAA,WACE34C,IAAOrB,IAAI,0BACX,IAAIwqD,EAAKzrD,KAAK4pD,YACd,GAAI6B,EAAI,CACN,GAAsB,SAAlBA,EAAG1T,WACL,IAKE0T,EAAGC,cACH,MAAO12C,GACP1S,IAAOpB,KAAP,oBAAgC8T,EAAIG,QAApC,8BAGJs2C,EAAGhc,oBAAoB,aAAczvC,KAAKoqD,oBAC1CqB,EAAGhc,oBAAoB,cAAezvC,KAAKuqD,qBAC3CkB,EAAGhc,oBAAoB,cAAezvC,KAAKsqD,qBAIvCtqD,KAAKkiC,QACHliC,KAAKspD,YACPv/C,OAAOuvB,IAAIkW,gBAAgBxvC,KAAKspD,YAK9BtpD,KAAKkiC,MAAMpJ,MAAQ94B,KAAKspD,YAC1BtpD,KAAKkiC,MAAMypB,gBAAgB,OAC3B3rD,KAAKkiC,MAAMoD,QAEXhjC,IAAOpB,KAAK,0DAIhBlB,KAAK4pD,YAAc,KACnB5pD,KAAKkiC,MAAQ,KACbliC,KAAKspD,WAAa,KAClBtpD,KAAK0pD,0BAA4B1pD,KAAK2pD,wBACtC3pD,KAAKiqD,cAAgB,GACrBjqD,KAAKkrB,OAAS,GACdlrB,KAAKkqD,aAAe,GACpBlqD,KAAKmqD,WAAa,GAClBnqD,KAAK6pD,SAAW,GAChB7pD,KAAKs8C,SAAW,EAGlBt8C,KAAK06B,IAAItlB,QAAQ/I,IAAO1J,iB,EAG1B0nD,mBAAA,WAAsB,IACdX,EAA6C1pD,KAA7C0pD,0BAA2BO,EAAkBjqD,KAAlBiqD,cAM3B2B,EAAqBrrD,OAAOquB,KAAKq7B,GAAe1jD,QACjDqlD,IAAuBlC,GAAqD,IAAvBkC,KAExD5rD,KAAK6rD,oBAAoB5B,GACzBjqD,KAAKiqD,cAAgB,GAErBjqD,KAAKirD,gB,EAgFTa,cAAA,WACE,IAAM5B,EAAelqD,KAAKkqD,aAC1B,IAAK,IAAI3oD,KAAQ2oD,EAAc,CAC7B,IAAMc,EAAKd,EAAa3oD,GACxB,IACMypD,IACEhrD,KAAK4pD,aACP5pD,KAAK4pD,YAAYmC,mBAAmBf,GAEtCA,EAAGvb,oBAAoB,YAAazvC,KAAKwqD,gBACzCQ,EAAGvb,oBAAoB,QAASzvC,KAAKorD,mBAEvC,MAAOp2C,KAGXhV,KAAKkqD,aAAe,GACpBlqD,KAAKmqD,WAAa,GAClBnqD,KAAK6pD,SAAW,GAChB7pD,KAAKs8C,SAAW,G,EAGlB0P,eAAA,SAAgB9gC,GAAkB,WAG5B3qB,OAAOquB,KAAK5uB,KAAKkqD,cAAc3jD,SAInChG,OAAOquB,KAAK1D,GAAQ/oB,SAAQ,SAAAw6C,GAC1B,EAAKsN,cAActN,GAAazxB,EAAOyxB,MAGzC38C,KAAK0pD,0BAA4BrhD,KAAKslB,IAAI3tB,KAAK0pD,0BAA4B,EAAG,GAC1E1pD,KAAK4pD,aAA+C,SAAhC5pD,KAAK4pD,YAAY7R,YACvC/3C,KAAKqqD,uB,EAITwB,oBAAA,SAAqB3gC,GAAkB,IAC7Bg/B,EAA8BlqD,KAA9BkqD,aAAcN,EAAgB5pD,KAAhB4pD,YACtB,IAAKA,EACH,MAAM9+C,MAAM,wDAGd,IAAK,IAAI6xC,KAAazxB,EACpB,IAAKg/B,EAAavN,GAAY,CAC5B,IAAIzmC,EAAQgV,EAAOyxB,GACnB,IAAKzmC,EACH,MAAMpL,MAAM,kCAAkC6xC,EAAnC,4BAGb,IAAI3lC,EAAQd,EAAM2mC,YAAc3mC,EAAMc,MAClCi1C,EAAc/1C,EAAMsC,UAAZ,WAAgCxB,EAC5C1U,IAAOrB,IAAP,yBAAoCgrD,EAApC,KACA,IACE,IAAIjB,EAAKd,EAAavN,GAAaiN,EAAYsC,gBAAgBD,GAC/DjB,EAAG9wB,iBAAiB,YAAal6B,KAAKwqD,gBACtCQ,EAAG9wB,iBAAiB,QAASl6B,KAAKorD,kBAClCprD,KAAKkrB,OAAOyxB,GAAa,CACvBj0C,OAAQsiD,EACRh0C,MAAOA,EACPyB,GAAIvC,EAAMuC,GACVD,UAAWtC,EAAMsC,UACjBqkC,WAAY3mC,EAAM2mC,YAEpB,MAAO7nC,GACP1S,IAAOlB,MAAP,0CAAuD4T,EAAIG,SAC3DnV,KAAK06B,IAAItlB,QAAQ/I,IAAO9G,MAAO,CAAEhE,KAAMsE,IAAWyP,YAAaC,QAASzP,IAAaqmD,uBAAwB12C,OAAO,EAAOT,IAAKA,EAAKi3C,SAAUA,KAIrJjsD,KAAK06B,IAAItlB,QAAQ/I,IAAOvJ,eAAgB,CAAEooB,OAAQlrB,KAAKkrB,U,EAGzDkhC,kBAAA,SAAmB/lD,GACZrG,KAAKupD,cACHvpD,KAAK6pD,SAGR7pD,KAAK6pD,SAASjiD,KAAKvB,GAFnBrG,KAAK6pD,SAAW,CAAExjD,GAKpBrG,KAAKirD,gB,EAMToB,YAAA,SAAahmD,GACX,IAAK,IAAM9E,KAAQvB,KAAKkqD,aACtB,IAAK7jD,EAAK9E,MAAQ8E,EAAK9E,OAASA,EAAM,CACpC,IAAMypD,EAAKhrD,KAAKkqD,aAAa3oD,GACzBypD,IAAOA,EAAGpX,QACZoX,EAAGpX,OAAQ,EACXtxC,IAAOrB,IAAOM,EAAd,0BAKNvB,KAAK4qD,Y,EAIPA,SAAA,WAAY,IACFV,EAA8BlqD,KAA9BkqD,aAAcN,EAAgB5pD,KAAhB4pD,YACtB,GAAKA,GAA0C,SAA3BA,EAAY7R,WAAhC,CAKA,IAAK,IAAIx2C,KAAQ2oD,EAAc,CAC7B,IAAMc,EAAKd,EAAa3oD,GACxB,GAAKypD,EAAL,CAEA,IAAKA,EAAGpX,MACN,OAGF,GAAIoX,EAAGO,SAEL,YADAvrD,KAAKwpD,WAAY,IAKrBlnD,IAAOrB,IAAI,+FAEX,IACE2oD,EAAY8B,cACZ,MAAOrpD,GACPC,IAAOpB,KAAK,qDAEdlB,KAAKwpD,WAAY,OAzBfxpD,KAAKwpD,WAAY,G,EA4BrB8C,iBAAA,SAAkBjmD,GACZA,EAAK9E,KACPvB,KAAKmqD,WAAWviD,KAAK,CAAE+Y,MAAOta,EAAKi0C,YAAa7yC,IAAKpB,EAAKk0C,UAAWh5C,KAAM8E,EAAK9E,QAEhFvB,KAAKmqD,WAAWviD,KAAK,CAAE+Y,MAAOta,EAAKi0C,YAAa7yC,IAAKpB,EAAKk0C,UAAWh5C,KAAM,UAC3EvB,KAAKmqD,WAAWviD,KAAK,CAAE+Y,MAAOta,EAAKi0C,YAAa7yC,IAAKpB,EAAKk0C,UAAWh5C,KAAM,WAI7EvB,KAAKgqD,mBAAqB,EAC1BhqD,KAAK2qD,W,EAGPQ,oBAAA,WAEE,GAAKnrD,KAAKqpD,MAAV,CAIA,IAAMkD,EAAuBvsD,KAAKkU,OAAOq4C,qBACzC,GAAKtmD,SAASsmD,MAAyBA,EAAuB,GAI9D,GAAKvsD,KAAKkiC,MAUV,IALA,IAAMwM,EAAc1uC,KAAKkiC,MAAMwM,YACzBwb,EAAelqD,KAAKkqD,aACpBsC,EAAcjsD,OAAOquB,KAAKs7B,GAC1BuC,EAA2B/d,EAAcrmC,KAAKslB,IAAI4+B,EAAsBvsD,KAAKopD,sBAE1EzgD,EAAQ6jD,EAAYjmD,OAAS,EAAGoC,GAAS,EAAGA,IAAS,CAC5D,IAAM+jD,EAAaF,EAAY7jD,GACzBqiD,EAAKd,EAAawC,GACxB,GAAI1B,EAAI,CACN,IAAM7f,EAAW6f,EAAG7f,SAEhBA,EAAS5kC,OAAS,GAAKkmD,EAA2BthB,EAASxqB,MAAM,IAI/D3gB,KAAK2sD,kBAAkBD,EAAY1B,EAAI,EAAGyB,IAC5CzsD,KAAK06B,IAAItlB,QAAQ/I,IAAOxI,yBAA0B,CAAE0qC,UAAWke,UApBrEnqD,IAAOlB,MAAM,wD,EA4BjBwrD,eAAA,YAA+J,IAA7Ir3C,EAA6I,EAA7IA,QACZA,EAAQ0oB,UAAU13B,OAAS,IAC7BvG,KAAKmpD,eAAiB5zC,EAAQipB,cAAgBjpB,EAAQ0oB,UAAU,GAAGtd,MACnE3gB,KAAKopD,qBAAuB7zC,EAAQsuB,uBAAyBtuB,EAAQgpB,gBAAkB,GACvFv+B,KAAKqpD,MAAQ9zC,EAAQ2oB,KACrBl+B,KAAKkrD,+B,EASTA,2BAAA,WAA8B,IAExB5yC,EADEpE,EAAWlU,KAAXkU,OAGN,GAA4B,OAAxBlU,KAAKmpD,gBACNnpD,KAAKkiC,OACLliC,KAAK4pD,aACL5pD,KAAKkqD,cACoB,IAA1BlqD,KAAKkiC,MAAM6V,YACqB,SAAhC/3C,KAAK4pD,YAAY7R,WALnB,CASA,IAAK,IAAIx2C,KAAQvB,KAAKkqD,aAAc,CAClC,IAAMc,EAAKhrD,KAAKkqD,aAAa3oD,GAC7B,GAAIypD,IAAsB,IAAhBA,EAAGO,SAEX,OAIJjzC,EAAWtY,KAAKkiC,MAAM5pB,SAEG,OAArBtY,KAAKkpD,cACPlpD,KAAKkpD,YAAclpD,KAAK4pD,YAAYtxC,WAGnB,IAAftY,KAAKqpD,QAAkD,IAAhCn1C,EAAO24C,sBAEhCvqD,IAAOrB,IAAI,4CACXjB,KAAKkpD,YAAclpD,KAAK4pD,YAAYtxC,SAAWoW,MACrC1uB,KAAKmpD,eAAiBnpD,KAAKkpD,aAAelpD,KAAKmpD,eAAiB7wC,IAAc,YAAgBA,MAKxGhW,IAAOrB,IAAP,qCAAgDjB,KAAKmpD,eAAehY,QAAQ,IAC5EnxC,KAAKkpD,YAAclpD,KAAK4pD,YAAYtxC,SAAWtY,KAAKmpD,kB,EAIxDwB,QAAA,WAEE,KAAO3qD,KAAKmqD,WAAW5jD,QAAQ,CAC7B,IAAIolC,EAAQ3rC,KAAKmqD,WAAW,GAE5B,IAAInqD,KAAK8sD,YAAYnhB,EAAMhrB,MAAOgrB,EAAMlkC,IAAKkkC,EAAMpqC,MAOjD,YAFAvB,KAAKupD,aAAc,GAHnBvpD,KAAKmqD,WAAWtjC,QAChB7mB,KAAKgqD,mBAAqB,EAO9B,GAA+B,IAA3BhqD,KAAKmqD,WAAW5jD,OAAc,CAEhCvG,KAAKupD,aAAc,EAGnB,IAAIjN,EAAW,EACX4N,EAAelqD,KAAKkqD,aACxB,IACE,IAAK,IAAI3oD,KAAQ2oD,EAAc,CAC7B,IAAMc,EAAKd,EAAa3oD,GACpBypD,IACF1O,GAAY0O,EAAG7f,SAAS5kC,SAG5B,MAAOnF,GAGPkB,IAAOlB,MAAM,+CAEfpB,KAAKs8C,SAAWA,EAChBt8C,KAAK06B,IAAItlB,QAAQ/I,IAAOlJ,kB,EAI5B8nD,YAAA,WAAe,IACP/2C,EAAwClU,KAAxCkU,OAAQwmB,EAAgC16B,KAAhC06B,IAAKmvB,EAA2B7pD,KAA3B6pD,SAAUK,EAAiBlqD,KAAjBkqD,aAC7B,GAAK3pD,OAAOquB,KAAKs7B,GAAc3jD,OAA/B,CAKA,IAAKvG,KAAKkiC,OAASliC,KAAKkiC,MAAM9gC,MAG5B,OAFApB,KAAK6pD,SAAW,QAChBvnD,IAAOlB,MAAM,4EAIf,IAAIpB,KAAK8pD,UAAT,CAKA,IAAMgB,EAAUjB,EAAShjC,QACzB,GAAKikC,EAIL,IACE,IAAME,EAAKd,EAAaY,EAAQvpD,MAChC,IAAKypD,EAKH,YADAhrD,KAAKwqD,iBAIP,GAAIQ,EAAGO,SAGL,YADA1B,EAAS9hB,QAAQ+iB,GAKnBE,EAAGpX,OAAQ,EAEX5zC,KAAK88C,OAASgO,EAAQhO,OACtBkO,EAAG+B,aAAajC,EAAQzkD,MACxBrG,KAAK+pD,YAAc,EACnB/pD,KAAKs8C,WACLt8C,KAAK8pD,WAAY,EACjB,MAAO90C,GAEP1S,IAAOlB,MAAP,uCAAoD4T,EAAIG,SACxD00C,EAAS9hB,QAAQ+iB,GACjB,IAAIl+C,EAAQ,CAAErL,KAAMsE,IAAWyP,YAAawnC,OAAQgO,EAAQhO,OAAQvnC,QAAS,GAAIE,OAAO,GACvE,KAAbT,EAAIg4C,MAGNhtD,KAAK6pD,SAAW,GAChBj9C,EAAM2I,QAAUzP,IAAak4C,oBAE7Bh+C,KAAK+pD,cACLn9C,EAAM2I,QAAUzP,IAAamnD,oBAIzBjtD,KAAK+pD,YAAc71C,EAAOg5C,sBAC5B5qD,IAAOrB,IAAP,QAAmBiT,EAAOg5C,oBAA1B,4CACAltD,KAAK6pD,SAAW,GAChBj9C,EAAM6I,OAAQ,IAGlBilB,EAAItlB,QAAQ/I,IAAO9G,MAAOqH,O,EAS9BkgD,YAAA,SAAaxS,EAAqBC,EAAmB4S,GACnD,IAAMjD,EAAelqD,KAAKkqD,aAE1B,IAAK3pD,OAAOquB,KAAKs7B,GAAc3jD,OAC7B,OAAO,EAGT,IAAImoC,EAAsB,OAO1B,GANI1uC,KAAKkiC,QACPwM,EAAc1uC,KAAKkiC,MAAMwM,YAAYyC,QAAQ,IAE/C7uC,IAAOrB,IAAP,8BAAyCytC,EAAzC,IAAwD4L,EAAxD,IAAuEC,GAGnEv6C,KAAKgqD,oBAAsBhqD,KAAKs8C,SAElC,OADAh6C,IAAOpB,KAAK,oCACL,EAGT,IAAM8pD,EAAKd,EAAaiD,GAExB,GAAInC,EAAI,CAEN,GADAA,EAAGpX,OAAQ,EACNoX,EAAGO,SAON,OADAjpD,IAAOpB,KAAK,0CACL,EANP,GAAIlB,KAAK2sD,kBAAkBQ,EAAQnC,EAAI1Q,EAAaC,GAElD,OADAv6C,KAAKgqD,sBACE,EAUb,OAFA1nD,IAAOrB,IAAI,mBAEJ,G,EAaT0rD,kBAAA,SAAmBprD,EAAcypD,EAA0B1Q,EAAqBC,GAC9E,IACE,IAAK,IAAItzC,EAAI,EAAGA,EAAI+jD,EAAG7f,SAAS5kC,OAAQU,IAAK,CAC3C,IAAImmD,EAAWpC,EAAG7f,SAASxqB,MAAM1Z,GAC7BomD,EAASrC,EAAG7f,SAAS1jC,IAAIR,GACzBqmD,EAAcjlD,KAAKslB,IAAIy/B,EAAU9S,GACjCiT,EAAYllD,KAAK0S,IAAIsyC,EAAQ9S,GAOjC,GAAIlyC,KAAK0S,IAAIwyC,EAAWF,GAAUC,EAAc,GAAK,CACnD,IAAI5e,EAAsB,OAO1B,OANI1uC,KAAKkiC,QACPwM,EAAc1uC,KAAKkiC,MAAMwM,YAAYppB,YAGvChjB,IAAOrB,IAAP,aAAwBM,EAAxB,KAAiC+rD,EAAjC,IAAgDC,EAAhD,UAAmEH,EAAnE,IAA+EC,EAA/E,UAA+F3e,GAC/Fsc,EAAGwC,OAAOF,EAAaC,IAChB,IAGX,MAAOnsD,GACPkB,IAAOpB,KAAK,2BAA4BE,GAG1C,OAAO,G,GA9sBoBq5B,G,2KC6JhBgzB,G,oBAnLb,WAAa/yB,GAAK,aAChB,cAAMA,EACJrlB,IAAM/P,uBACN+P,IAAM7S,gBACN6S,IAAM/R,gBACN+R,IAAMxS,cACNwS,IAAM3S,kBALR,MAOKgrD,iBAAmB1nD,OAAO6zC,kBAC/B,EAAKmH,WAAa,KAClB,EAAK9f,OAAS,GACd,EAAKgB,MAAQ,KACb,EAAKyrB,iBAAmB,GACxB,EAAK3N,MAAQ,KAbG,E,wHAgBlBjsC,QAAA,WACM/T,KAAK06B,IAAIxmB,OAAO05C,uBAClB5tD,KAAKkiC,MAAQ,KACbliC,KAAK6tD,gB,EAITC,sBAAA,SAAuBznD,GAEjBonD,EAAmBM,eAAe1nD,EAAK2nD,aAAchuD,KAAK2tD,mBAC5D3tD,KAAK2tD,iBAAiB/lD,KAAKvB,EAAK2nD,e,EAIpCxC,iBAAA,SAAkBnlD,GAChBrG,KAAKkiC,MAAQ77B,EAAK67B,iBAAiBn4B,OAAOkkD,iBAAmB5nD,EAAK67B,MAAQ,M,EAG5EgZ,iBAAA,SAAkB70C,GAChB,IAAMq0B,EAAM16B,KAAK06B,IACjB16B,KAAK2tD,iBAAmB,GACxB3tD,KAAKkhC,OAAS76B,EAAK66B,OACnBlhC,KAAKghD,WAAa36C,EAAK26C,WACnBtmB,EAAIxmB,OAAO05C,sBAAwBvnD,EAAK+Y,OAE1Cpf,KAAKkuD,gB,EAMTlC,eAAA,SAAgB3lD,GACFrG,KAAK06B,IACTxmB,OAAO05C,sBAAwBvnD,EAAK+Y,OAE1Cpf,KAAKkuD,gB,EAITC,gBAAA,SAAiB9nD,GACfrG,KAAKkhC,OAAS76B,EAAK66B,Q,EAGrB+Z,iBAAA,WACEj7C,KAAK6tD,e,EAGPO,iBAAA,WACE,GAAIpuD,KAAKkiC,MAAO,CACd,IAAImsB,EAAeruD,KAAKkhC,OAASlhC,KAAKkhC,OAAO36B,OAAS,EACtD,GAAI8nD,EAAc,CAChB,IAAM3zB,EAAM16B,KAAK06B,IACjBA,EAAIgzB,iBAAmB1tD,KAAKsuD,YAAYD,EAAe,GACnD3zB,EAAIgzB,iBAAmB1tD,KAAK0tD,kBAG9BhzB,EAAI6zB,iBAAiBvU,kBAEvBh6C,KAAK0tD,iBAAmBhzB,EAAIgzB,oB,EAQlCY,YAAA,SAAaE,GAAe,WAC1B,IAAKxuD,KAAKkhC,OACR,OAAQ,EAGV,IAAMutB,EAAczuD,KAAKkhC,OAAOlP,QAAO,SAAC+K,EAAOp0B,GAAR,OACrC8kD,EAAmBM,eAAeplD,EAAO,EAAKglD,mBAAqBhlD,GAAS6lD,KAG9E,OAAOf,EAAmBiB,uBAAuBD,EAAazuD,KAAK2uD,WAAY3uD,KAAK4uD,c,EAGtFV,aAAA,WACMluD,KAAKggD,QAIThgD,KAAK0tD,iBAAmB1nD,OAAO6zC,kBAC/B75C,KAAK06B,IAAIsmB,WAAahhD,KAAKsuD,YAAYtuD,KAAKghD,YAC5CtC,cAAc1+C,KAAKggD,OACnBhgD,KAAKggD,MAAQvK,YAAYz1C,KAAKouD,iBAAiB9tD,KAAKN,MAAO,KAC3DA,KAAKouD,qB,EAGPP,YAAA,WACE7tD,KAAK2tD,iBAAmB,GACxB3tD,KAAKghD,WAAa,KAClBhhD,KAAK0tD,iBAAmB1nD,OAAO6zC,kBAC3B75C,KAAKggD,QACPhgD,KAAKggD,MAAQtB,cAAc1+C,KAAKggD,OAChChgD,KAAKggD,MAAQ,O,EAgCV+N,eAAP,SAAuBhxB,EAAO4wB,GAC5B,YADmD,IAAvBA,MAAmB,KACH,IAArCA,EAAiBtkD,QAAQ0zB,I,EAG3B2xB,uBAAP,SAA+BxtB,EAAQ/jB,EAAOE,GAC5C,IAAK6jB,GAAWA,IAAWA,EAAO36B,OAChC,OAAQ,EAiBV,IAZA,IAA6Bk1C,EAAUrB,EAUnCyU,EAAgB3tB,EAAO36B,OAAS,EAE3BU,EAAI,EAAGA,EAAIi6B,EAAO36B,OAAQU,GAAK,EAAG,CACzC,IAAM81B,EAAQmE,EAAOj6B,GACrB,IAAK81B,EAAM5f,OAASA,GAAS4f,EAAM1f,QAAUA,KAdlBo+B,EAciD1e,IAdvCqd,EAc8ClZ,EAAOj6B,EAAI,KATvFw0C,EAASt+B,QAAUi9B,EAAUj9B,OAASs+B,EAASp+B,SAAW+8B,EAAU/8B,QASwB,CACjGwxC,EAAgB5nD,EAChB,OAIJ,OAAO4nD,G,gDAtCP,IAAI3xC,EAAa,EACjB,IACEA,EAAanT,OAAO+kD,iBACpB,MAAOzsD,IACT,OAAO6a,M,oCAxBP,IAAIC,EACE+kB,EAAQliC,KAAKkiC,MAKnB,OAJIA,IACF/kB,EAAQ+kB,EAAM/kB,OAAS+kB,EAAM6sB,aAAe7sB,EAAM8sB,YAClD7xC,GAASswC,EAAmBwB,oBAEvB9xC,I,kCAIP,IAAIE,EACE6kB,EAAQliC,KAAKkiC,MAKnB,OAJIA,IACF7kB,EAAS6kB,EAAM7kB,QAAU6kB,EAAMgtB,cAAgBhtB,EAAMitB,aACrD9xC,GAAUowC,EAAmBwB,oBAExB5xC,O,gCAtIsBod,G,ICJrB20B,GCKJt8B,GAAgB/oB,OAAhB+oB,YAuEOu8B,G,oBApEb,WAAa30B,GAAK,OAChB,YAAMA,EAAKrlB,IAAM7S,kBADD,K,kHAIlBuR,QAAA,WACM/T,KAAKggD,OACPtB,cAAc1+C,KAAKggD,OAGrBhgD,KAAKsvD,iCAAkC,G,EAGzC9D,iBAAA,SAAkBnlD,GAChB,IAAM6N,EAASlU,KAAK06B,IAAIxmB,OACpBA,EAAOq7C,oBAEoC,mBAD/BvvD,KAAKof,MAAQ/Y,EAAK67B,iBAAiBn4B,OAAOkkD,iBAAmB5nD,EAAK67B,MAAQ,MACvEstB,0BACfxvD,KAAKsvD,iCAAkC,GAGzC5Q,cAAc1+C,KAAKggD,OACnBhgD,KAAKggD,MAAQvK,YAAYz1C,KAAKyvD,iBAAiBnvD,KAAKN,MAAOkU,EAAOw7C,8B,EAItEC,SAAA,SAAUvwC,EAAOwwC,EAAeC,GAC9B,IAAInhB,EAAc5b,GAAYlG,MAC9B,GAAIgjC,EAAe,CACjB,GAAI5vD,KAAK8vD,SAAU,CACjB,IAAIC,EAAgBrhB,EAAc1uC,KAAK8vD,SACrCE,EAAiBH,EAAgB7vD,KAAKiwD,kBACtCC,EAAiBN,EAAgB5vD,KAAKmwD,kBACtCC,EAAa,IAAOJ,EAAiBD,EACrCr1B,EAAM16B,KAAK06B,IAEb,GADAA,EAAItlB,QAAQC,IAAMhQ,SAAU,CAAE2qD,eAAgBA,EAAgBE,eAAgBA,EAAgBG,mBAAoBR,IAC9GO,EAAa,GAEXJ,EAAiBt1B,EAAIxmB,OAAOo8C,8BAAgCJ,EAAgB,CAC9E,IAAI/T,EAAezhB,EAAIyhB,aACvB75C,IAAOpB,KAAK,mEAAqEi7C,GAC7EA,EAAe,KAAgC,IAA1BzhB,EAAIgzB,kBAA2BhzB,EAAIgzB,kBAAoBvR,KAC9EA,GAA8B,EAC9BzhB,EAAItlB,QAAQC,IAAM/P,uBAAwB,CAAEy3B,MAAOof,EAAc6R,aAActzB,EAAIyhB,eACnFzhB,EAAIgzB,iBAAmBvR,EACvBzhB,EAAI6zB,iBAAiBvU,oBAK7Bh6C,KAAK8vD,SAAWphB,EAChB1uC,KAAKiwD,kBAAoBJ,EACzB7vD,KAAKmwD,kBAAoBP,I,EAI7BH,iBAAA,WACE,IAAMrwC,EAAQpf,KAAKof,MACnB,GAAIA,EACF,GAAIpf,KAAKsvD,gCAAiC,CACxC,IAAIiB,EAAuBnxC,EAAMowC,0BACjCxvD,KAAK2vD,SAASvwC,EAAOmxC,EAAqBC,iBAAkBD,EAAqBE,yBAEjFzwD,KAAK2vD,SAASvwC,EAAOA,EAAMsxC,wBAAyBtxC,EAAMuxC,0B,GA/DtCl2B,G,GCJY1wB,OAAhC+oB,G,GAAAA,YAAa89B,G,GAAAA,eAgKNC,G,WA7Jb,WAAa38C,GACPA,GAAUA,EAAO48C,WACnB9wD,KAAK8wD,SAAW58C,EAAO48C,U,2BAI3B/8C,QAAA,WACE/T,KAAKkmC,QACLlmC,KAAKi9B,OAAS,M,EAGhBiJ,MAAA,WACE,IAAIjJ,EAASj9B,KAAKi9B,OACdA,GAAgC,IAAtBA,EAAO8a,aACnB/3C,KAAKuzB,MAAMszB,SAAU,EACrB5pB,EAAOiJ,SAGTn8B,OAAO01C,aAAaz/C,KAAK+wD,gBACzB/wD,KAAK+wD,eAAiB,KACtBhnD,OAAO01C,aAAaz/C,KAAKgxD,cACzBhxD,KAAKgxD,aAAe,M,EAGtB1rB,KAAA,SAAM94B,EAAS0H,EAAQ+8C,GACrBjxD,KAAKwM,QAAUA,EACfxM,KAAKkU,OAASA,EACdlU,KAAKixD,UAAYA,EACjBjxD,KAAKuzB,MAAQ,CAAE4uB,SAAUrvB,GAAYlG,MAAOskC,MAAO,GACnDlxD,KAAK+lC,WAAa7xB,EAAO6xB,WACzB/lC,KAAKmxD,gB,EAGPA,aAAA,WACE,IAAIC,EAAK5kD,EAAUxM,KAAKwM,QACxB4kD,EAAMpxD,KAAKi9B,OAAS,IAAI2zB,GAExB,IAAIr9B,EAAQvzB,KAAKuzB,MACjBA,EAAMoqB,OAAS,EACfpqB,EAAMoW,OAAS,EACf,IAAMmnB,EAAW9wD,KAAK8wD,SAEtB,IACE,GAAIA,EACF,IACEA,EAASM,EAAK5kD,EAAQ1D,KACtB,MAAOzG,GAGP+uD,EAAIC,KAAK,MAAO7kD,EAAQ1D,KAAK,GAC7BgoD,EAASM,EAAK5kD,EAAQ1D,KAGrBsoD,EAAIrZ,YACPqZ,EAAIC,KAAK,MAAO7kD,EAAQ1D,KAAK,GAE/B,MAAOzG,GAGP,YADArC,KAAKixD,UAAUlqB,QAAQ,CAAEimB,KAAMoE,EAAIE,OAAQzoD,KAAMxG,EAAE8S,SAAW3I,EAAS4kD,GAIrE5kD,EAAQ+7B,UACV6oB,EAAIG,iBAAiB,QAAS,SAAW/kD,EAAQ87B,WAAa,KAAO97B,EAAQ+7B,SAAW,IAG1F6oB,EAAII,mBAAqBxxD,KAAKyxD,iBAAiBnxD,KAAKN,MACpDoxD,EAAIM,WAAa1xD,KAAKiqC,aAAa3pC,KAAKN,MACxCoxD,EAAI5rB,aAAeh5B,EAAQg5B,aAG3BxlC,KAAK+wD,eAAiBhnD,OAAO21C,WAAW1/C,KAAKknC,YAAY5mC,KAAKN,MAAOA,KAAKkU,OAAO4xB,SACjFsrB,EAAIO,Q,EAGNF,iBAAA,SAAkB7kD,GAChB,IAAIwkD,EAAMxkD,EAAMglD,cACd7Z,EAAaqZ,EAAIrZ,WACjBxkB,EAAQvzB,KAAKuzB,MACb/mB,EAAUxM,KAAKwM,QACf0H,EAASlU,KAAKkU,OAGhB,IAAIqf,EAAMszB,SAKN9O,GAAc,EAOhB,GALAhuC,OAAO01C,aAAaz/C,KAAK+wD,gBACJ,IAAjBx9B,EAAMoqB,SACRpqB,EAAMoqB,OAASt1C,KAAKslB,IAAImF,GAAYlG,MAAO2G,EAAM4uB,WAGhC,IAAfpK,EAAkB,CACpB,IAAIuZ,EAASF,EAAIE,OAEjB,GAAIA,GAAU,KAAOA,EAAS,IAAK,CAEjC,IAAIjrD,EAAMsD,EADV4pB,EAAMgU,MAAQl/B,KAAKslB,IAAI4F,EAAMoqB,OAAQ7qB,GAAYlG,OAI/CjjB,EAF2B,gBAAzB6C,EAAQg5B,cACVn/B,EAAO+qD,EAAIxsB,UACA38B,YAEX5B,EAAO+qD,EAAIS,cACAtrD,OAEbgtB,EAAMoW,OAASpW,EAAMmqB,MAAQ/zC,EAC7B,IAAIi7B,EAAW,CAAE97B,IAAKsoD,EAAIU,YAAazrD,KAAMA,GAC7CrG,KAAKixD,UAAUpqB,UAAUjC,EAAUrR,EAAO/mB,EAAS4kD,QAG/C79B,EAAM29B,OAASh9C,EAAO2xB,UACxBvjC,IAAOlB,MAASkwD,EAAhB,kBAAwC9kD,EAAQ1D,KAChD9I,KAAKixD,UAAUlqB,QAAQ,CAAEimB,KAAMsE,EAAQzoD,KAAMuoD,EAAIW,YAAcvlD,EAAS4kD,KAGxE9uD,IAAOpB,KAAQowD,EAAf,kBAAuC9kD,EAAQ1D,IAA/C,iBAAmE9I,KAAK+lC,WAAxE,OAEA/lC,KAAK+T,UAEL/T,KAAKgxD,aAAejnD,OAAO21C,WAAW1/C,KAAKmxD,aAAa7wD,KAAKN,MAAOA,KAAK+lC,YAEzE/lC,KAAK+lC,WAAa19B,KAAK0S,IAAI,EAAI/a,KAAK+lC,WAAY7xB,EAAO8xB,eACvDzS,EAAM29B,cAKVlxD,KAAK+wD,eAAiBhnD,OAAO21C,WAAW1/C,KAAKknC,YAAY5mC,KAAKN,MAAOkU,EAAO4xB,U,EAKlFoB,YAAA,WACE5kC,IAAOpB,KAAP,yBAAqClB,KAAKwM,QAAQ1D,KAClD9I,KAAKixD,UAAUhqB,UAAUjnC,KAAKuzB,MAAOvzB,KAAKwM,QAAS,O,EAGrDy9B,aAAA,SAAcr9B,GACZ,IAAIwkD,EAAMxkD,EAAMglD,cACdr+B,EAAQvzB,KAAKuzB,MAEfA,EAAMoW,OAAS/8B,EAAM+8B,OACjB/8B,EAAMolD,mBACRz+B,EAAMmqB,MAAQ9wC,EAAM8wC,OAGtB,IAAI1T,EAAahqC,KAAKixD,UAAUjnB,WAC5BA,GAEFA,EAAWzW,EAAOvzB,KAAKwM,QAAS,KAAM4kD,I,6IF9JhChC,K,8BAAAA,E,qCAAAA,Q,KGmKL,IAAM6C,G,uUAA8B,CAAH,CACtCjX,eAAe,EACfzF,eAAgB,EAChB+I,uBAAmB,EACnBt9C,OAAO,EACPuuD,mBAAmB,EACnB3B,sBAAsB,EACtBxW,wBAAyB,EACzBP,gBAAiB,GACjBD,cAAe,IACf7lB,cAAe,GAEfmhC,wBAAyB,GACzB3d,yBAA0B,EAC1BO,YAAa,GACbD,cAAe,EACfpG,uBAAwB,IACxBwQ,sBAAuB,EACvBrH,4BAA6BlpB,IAC7BswB,sBAAkB,EAClBrH,4BAAwB,EACxBkV,sBAAsB,EACtBN,qBAAsB79B,IACtBooB,mBAAoB,IACpB9H,cAAc,EACdv6B,mBAAmB,EACnB2xB,uBAAwB,IACxBD,wBAAyB,EACzBE,0BAA2B,IAC3BC,+BAAgC,KAChCsP,gBAAY,EACZrP,oBAAqB,IACrBC,qBAAsB,EACtBC,uBAAwB,IACxBC,4BAA6B,KAC7BoD,mBAAoB,IACpB+T,oBAAqB,EACrBrT,sBAAuB,IACvBT,2BAA4B,KAC5ByM,mBAAmB,EACnBkZ,2BAA4B,IAC5BY,8BAA+B,GAC/BpD,oBAAqB,EACrBjwB,OAAQ4zB,GAERpnB,aAAS,EACT1E,aAAS,EACT+rB,cAAU,EACVqB,qBAAiB,EAEjBC,cAAerM,GACfsM,iBAAkBpJ,GAClBqJ,mBAAoB7E,GACpB8E,cAAelD,GACfv+B,wBAAwB,EACxBmB,oBAAqB,EACrB9N,8BAA8B,EAC9BoiC,gBAAiB,EACjBC,gBAAiB,EACjBC,eAAgB,EAChBC,eAAgB,EAChBC,uBAAwB,IACxBkC,mBAAoB,IACpBC,qBAAsB,GACtBvB,uBAAuB,EACvBwB,mBAAoB,EACpBC,gBAAiB,EACjBwJ,eAAgB,EAChBC,YAAY,EACZC,wBAAoB,EACpBC,gCHlOsB,oBAAX5oD,QAA0BA,OAAO2M,WAAa3M,OAAO2M,UAAUk8C,4BACjE7oD,OAAO2M,UAAUk8C,4BAA4BtyD,KAAKyJ,OAAO2M,WAEzD,MG+OA,GAtF6B,CA0EtCm8C,8BAA2E,EAC3EC,6BAAyE,EACzEC,wBAA+D,EAC/DC,2BAAqE,EACrEC,0BAAmE,EACnEC,mBAAmD,I,qgBCxNhCC,G,oBA4EnB,WAAaC,GAAqC,eAArCA,MAAiC,KAC5C,sBA3EKl/C,YA0E2C,IAxE1Cm/C,uBAwE0C,IAvE1CjB,mBAuE0C,IAtE1CE,wBAsE0C,IArE1CgB,qBAqE0C,IApE1C/E,sBAoE0C,IAnE1CgF,wBAmE0C,IAlE1CN,0BAkE0C,IAjE1CH,6BAiE0C,IAhE1CI,mBAgE0C,IA/D1CM,oBA+D0C,IA9D1CtxB,MAAiC,KA8DS,EA7D1Cp5B,IAAqB,KAgE3B,IAAM2qD,EAAgBN,EAAIO,cAE1B,IAAKN,EAAWnU,uBAAyBmU,EAAWxb,+BAAiCwb,EAAWpU,kBAAoBoU,EAAWzb,wBAC7H,MAAM,IAAI7sC,MAAM,qIAIlB,EAAKoJ,O,uUAAL,IACKu/C,EACAL,GAZ2C,IAexCl/C,EAfwC,MAexCA,OAER,QAA2C,IAAvCA,EAAO0jC,6BAA0C1jC,EAAO0jC,6BAA+B1jC,EAAO+qC,sBAChG,MAAM,IAAIn0C,MAAM,2FAGlB,QAAsC,IAAlCoJ,EAAOyjC,8BAAkE,IAA5BzjC,EAAO8qC,kBAA+B9qC,EAAOyjC,wBAA0BzjC,EAAO8qC,kBAC7H,MAAM,IAAIl0C,MAAM,iFAGlB9I,YAAWkS,EAAOlT,OAElB,EAAKqyD,mBAAqB,EAO1B,IAAMjB,EAAgB,EAAKA,cAAgB,IAAIl+C,EAAOk+C,cAAX,OACrCC,EAAmB,IAAIn+C,EAAOm+C,iBAAX,OACnBC,EAAqB,EAAKA,mBAAqB,IAAIp+C,EAAOo+C,mBAAX,OAC/CC,EAAgB,IAAIr+C,EAAOq+C,cAAX,OAChBoB,EAAiB,IAAIxvB,EAAJ,OACjByvB,EAAiB,IAAIvqB,EAAJ,OACjBwqB,EAAY,IAAIzpB,EAAJ,OACZ0pB,EAAqB,IAAI3Q,GAAJ,OAOrBmQ,EAAkB,EAAKA,gBAAkB,IAAI1T,GAAJ,OAGzC7M,EAAkB,IAAInI,EAAJ,OAOpB2oB,EAAqB,CAACD,EAFD,EAAK/E,iBAAmB,IAAItZ,GAAJ,MAA2BlC,IAQxEghB,EAAa7/C,EAAO8+C,sBACpBe,GACFR,EAAmB3rD,KAAK,IAAImsD,EAAJ,MAAqBhhB,IAM/C,EAAKwgB,mBAAqBA,EAK1B,IAAMC,EAAiB,CACrBG,EACAC,EACAC,EACAzB,EACAC,EACAC,EACAC,EACAuB,EACA/gB,GAKF,GADAghB,EAAa7/C,EAAO++C,qBACJ,CACd,IAAMA,EAAuB,IAAIc,EAAJ,OAK7B,EAAKd,qBAAuBA,EAC5BO,EAAe5rD,KAAKqrD,GAItB,GADAc,EAAa7/C,EAAO4+C,wBACJ,CACd,IAAMA,EAA0B,IAAIiB,EAAJ,OAKhC,EAAKjB,wBAA0BA,EAC/BS,EAAmB3rD,KAAKkrD,GAI1B,GADAiB,EAAa7/C,EAAOg/C,cACJ,CACd,IAAMA,EAAgB,IAAIa,EAAJ,OAKtB,EAAKb,cAAgBA,EACrBM,EAAe5rD,KAAKsrD,GAxH0B,OA4HhDa,EAAa7/C,EAAO2+C,2BAElBU,EAAmB3rD,KAAK,IAAImsD,EAAJ,MAAqBhhB,KAE/CghB,EAAa7/C,EAAO6+C,qBAElBS,EAAe5rD,KAAK,IAAImsD,EAAJ,QAMtB,EAAKP,eAAiBA,EAxI0B,E,yFAjD3CQ,YAAP,WACE,OCvDG,WACL,IAAMpK,EAAcjb,IACpB,IAAKib,EACH,OAAO,EAET,IAAMM,EAAelgD,KAAKiqD,cAAiBjqD,KAAakqD,mBAClDl0B,EAAkB4pB,GACiB,mBAAhCA,EAAY5pB,iBACnB4pB,EAAY5pB,gBAAgB,6CAIxBm0B,GAAwBjK,GAC3BA,EAAa1pD,WACmC,mBAAxC0pD,EAAa1pD,UAAUusD,cACW,mBAAlC7C,EAAa1pD,UAAUgtD,OAClC,QAASxtB,KAAqBm0B,EDuCrBH,I,yEAOP,OAAOzxD,M,iCAOP,OAAOsD,M,mCAOP,OAAOC,M,oCAOP,OAAKqtD,EAAIM,cAIFN,EAAIM,cAHFxB,I,aASewB,GACxBN,EAAIM,cAAgBA,M,2BAuJtB1/C,QAAA,WACEzR,IAAOrB,IAAI,WACXjB,KAAKoV,QAAQ7S,IAAUiD,YACvBxF,KAAKo0D,cACLp0D,KAAKwzD,eAAe5lD,OAAO5N,KAAKuzD,oBAAoBpxD,SAAQ,SAAAkyD,GAC1DA,EAAUtgD,aAEZ/T,KAAK8I,IAAM,KACX9I,KAAK8O,qBACL9O,KAAKqzD,mBAAqB,G,EAO5BiB,YAAA,SAAapyB,GACX5/B,IAAOrB,IAAI,eACXjB,KAAKkiC,MAAQA,EACbliC,KAAKoV,QAAQ7S,IAAUC,gBAAiB,CAAE0/B,MAAOA,K,EAMnDkyB,YAAA,WACE9xD,IAAOrB,IAAI,eACXjB,KAAKoV,QAAQ7S,IAAUG,iBACvB1C,KAAKkiC,MAAQ,M,EAOfqyB,WAAA,SAAYzrD,GACVA,EAAMuB,mBAA4BN,OAAOyqD,SAASC,KAAM3rD,EAAK,CAAE6B,iBAAiB,IAChFrI,IAAOrB,IAAP,cAAyB6H,GACzB9I,KAAK8I,IAAMA,EAEX9I,KAAKoV,QAAQ7S,IAAUa,iBAAkB,CAAE0F,IAAKA,K,EAUlDwsC,UAAA,SAAWC,QAA4B,IAA5BA,OAAyB,GAClCjzC,IAAOrB,IAAP,aAAwBs0C,EAAxB,KACAv1C,KAAKuzD,mBAAmBpxD,SAAQ,SAAAuyD,GAC9BA,EAAWpf,UAAUC,O,EAOzBC,SAAA,WACElzC,IAAOrB,IAAI,YACXjB,KAAKuzD,mBAAmBpxD,SAAQ,SAAAuyD,GAC9BA,EAAWlf,e,EAOf6I,eAAA,WACE/7C,IAAOrB,IAAI,kBACXjB,KAAKuuD,iBAAiBlQ,kB,EASxBsW,kBAAA,WACEryD,IAAOrB,IAAI,qBACX,IAAIihC,EAAQliC,KAAKkiC,MACjBliC,KAAKo0D,cACDlyB,GACFliC,KAAKs0D,YAAYpyB,I,mCASnB,OAAOliC,KAAKszD,gBAAgBpyB,S,mCAQ5B,OAAOlhC,KAAKuuD,iBAAiBpS,c,aASbiF,GAChB9+C,IAAOrB,IAAP,oBAA+BmgD,GAC/BphD,KAAKqgD,UAAYe,EACjBphD,KAAKuuD,iBAAiB/U,yB,gCAQtB,OAAOx5C,KAAKuuD,iBAAiBnU,W,aAShBgH,GACb9+C,IAAOrB,IAAP,iBAA4BmgD,GAC5BphD,KAAKszD,gBAAgBsB,YAAcxT,EACnCphD,KAAKuuD,iBAAiBvU,oB,gCAQtB,OAAOh6C,KAAKszD,gBAAgBv2B,O,aASfqkB,GACb9+C,IAAOrB,IAAP,iBAA4BmgD,GAC5BphD,KAAKszD,gBAAgBsB,YAAcxT,I,oCAQnC,OAAOphD,KAAKszD,gBAAgBzd,e,aAQX9Y,GACjB/8B,KAAKszD,gBAAgBzd,cAAgB9Y,I,iCASrC,OAAO10B,KAAKslB,IAAI3tB,KAAKszD,gBAAgBtS,WAAYhhD,KAAK4mD,e,aAOxCxF,GACd9+C,IAAOrB,IAAP,kBAA6BmgD,GAC7BphD,KAAKszD,gBAAgBtS,WAAaI,I,iCAWlC,OAAOphD,KAAKszD,gBAAgB1d,Y,aAUdwL,GACd9+C,IAAOrB,IAAP,kBAA6BmgD,IAEX,IAAdA,IACFA,EAAW/4C,KAAKslB,IAAIyzB,EAAUphD,KAAK4mD,eAGrC5mD,KAAKszD,gBAAgB1d,WAAawL,I,yCAQVyT,GACxB,IAAMC,IAA4BD,EAE9BC,IAA4B90D,KAAKkU,OAAO05C,uBACtCkH,EACF90D,KAAKsyD,mBAAmBpE,gBAExBluD,KAAKsyD,mBAAmBzE,cACxB7tD,KAAK0tD,kBAAoB,EACzB1tD,KAAKuuD,iBAAiBvU,mBAGxBh6C,KAAKkU,OAAO05C,qBAAuBkH,K,uCASrC,OAAO90D,KAAKqzD,mB,aAgBQjS,GACpB9+C,IAAOrB,IAAP,wBAAmCmgD,GACnCphD,KAAKqzD,kBAAoBjS,I,wCAVzB,IAAMoH,EAAcxoD,KAAKoyD,cAAclM,aACvC,OAAOsC,EAAcA,EAAYzD,cAAgBgQ,M,uCAiBjD,OAA8C,IAAtC/0D,KAAKszD,gBAAgBsB,c,kCAQ7B,OAAO50D,KAAKszD,gBAAgBsB,c,mCAW5B,IAJ0B,IAClB1zB,EAAuClhC,KAAvCkhC,OAAkBsxB,EAAqBxyD,KAA/BkU,OAAUs+C,eACpB7oD,EAAMu3B,EAASA,EAAO36B,OAAS,EAE5BU,EAAI,EAAGA,EAAI0C,EAAK1C,IAAK,CAK5B,IAJyBi6B,EAAOj6B,GAAGggD,YAC/B5+C,KAAKslB,IAAIuT,EAAOj6B,GAAGggD,YAAa/lB,EAAOj6B,GAAG06B,SAC1CT,EAAOj6B,GAAG06B,SAES6wB,EACrB,OAAOvrD,EAIX,OAAO,I,mCAOmB,IAClBi6B,EAA6BlhC,KAA7BkhC,OAAQwsB,EAAqB1tD,KAArB0tD,iBAShB,OAN0B,IAAtBA,GAA2BxsB,GAAUA,EAAO36B,OAC/B26B,EAAO36B,OAAS,EAEhBmnD,I,oCAYjB,OAAOrlD,KAAK0S,IAAI1S,KAAKslB,IAAI3tB,KAAKoyD,cAAcvQ,cAAe7hD,KAAK4mD,cAAe5mD,KAAKgoD,e,aAWnE5N,GACjBp6C,KAAKoyD,cAAcvQ,cAAgBx5C,KAAKslB,IAAI3tB,KAAK4mD,aAAcxM,K,kCAQ/D,IAAM6Y,EAAuBjzD,KAAKizD,qBAClC,OAAOA,EAAuBA,EAAqBrrB,YAAc,K,iCAQjE,IAAMqrB,EAAuBjzD,KAAKizD,qBAClC,OAAOA,EAAuBA,EAAqBjyC,YAAc,G,aAOnDg0C,GACd,IAAM/B,EAAuBjzD,KAAKizD,qBAC9BA,IACFA,EAAqBjyC,WAAag0C,K,uCAQpC,OAAOh1D,KAAKuuD,iBAAiB1W,mB,qCAS7B,IAAMib,EAA0B9yD,KAAK8yD,wBACrC,OAAOA,EAA0BA,EAAwBmC,eAAiB,K,oCAQ1E,IAAMnC,EAA0B9yD,KAAK8yD,wBACrC,OAAOA,EAA0BA,EAAwBoC,eAAiB,G,aAOzDC,GACjB,IAAMrC,EAA0B9yD,KAAK8yD,wBACjCA,IACFA,EAAwBoC,cAAgBC,K,sCAQ1C,IAAMrC,EAA0B9yD,KAAK8yD,wBACrC,QAAOA,GAA0BA,EAAwBsC,iB,aAOtCh1D,GACnB,IAAM0yD,EAA0B9yD,KAAK8yD,wBACjCA,IACFA,EAAwBsC,gBAAkBh1D,O,GAjoBfyuC,GAAZskB,GACLM,mB","file":"hls.light.min.js","sourcesContent":["(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"Hls\"] = factory();\n\telse\n\t\troot[\"Hls\"] = factory();\n})(this, function() {\nreturn "," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId]) {\n \t\t\treturn installedModules[moduleId].exports;\n \t\t}\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\ti: moduleId,\n \t\t\tl: false,\n \t\t\texports: {}\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, { enumerable: true, get: getter });\n \t\t}\n \t};\n\n \t// define __esModule on exports\n \t__webpack_require__.r = function(exports) {\n \t\tif(typeof Symbol !== 'undefined' && Symbol.toStringTag) {\n \t\t\tObject.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });\n \t\t}\n \t\tObject.defineProperty(exports, '__esModule', { value: true });\n \t};\n\n \t// create a fake namespace object\n \t// mode & 1: value is a module id, require it\n \t// mode & 2: merge all properties of value into the ns\n \t// mode & 4: return value when already ns object\n \t// mode & 8|1: behave like require\n \t__webpack_require__.t = function(value, mode) {\n \t\tif(mode & 1) value = __webpack_require__(value);\n \t\tif(mode & 8) return value;\n \t\tif((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;\n \t\tvar ns = Object.create(null);\n \t\t__webpack_require__.r(ns);\n \t\tObject.defineProperty(ns, 'default', { enumerable: true, value: value });\n \t\tif(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));\n \t\treturn ns;\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"/dist/\";\n\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = 13);\n","import { getSelfScope } from './get-self-scope';\n\nfunction noop (...args) {}\n\nconst fakeLogger = {\n trace: noop,\n debug: noop,\n log: noop,\n warn: noop,\n info: noop,\n error: noop\n};\n\nlet exportedLogger = fakeLogger;\n\n// let lastCallTime;\n// function formatMsgWithTimeInfo(type, msg) {\n// const now = Date.now();\n// const diff = lastCallTime ? '+' + (now - lastCallTime) : '0';\n// lastCallTime = now;\n// msg = (new Date(now)).toISOString() + ' | [' + type + '] > ' + msg + ' ( ' + diff + ' ms )';\n// return msg;\n// }\n\nfunction formatMsg (type, msg) {\n msg = '[' + type + '] > ' + msg;\n return msg;\n}\n\nconst global = getSelfScope();\n\nfunction consolePrintFn (type) {\n const func = global.console[type];\n if (func) {\n return function (...args) {\n if (args[0]) {\n args[0] = formatMsg(type, args[0]);\n }\n\n func.apply(global.console, args);\n };\n }\n return noop;\n}\n\nfunction exportLoggerFunctions (debugConfig, ...functions) {\n functions.forEach(function (type) {\n exportedLogger[type] = debugConfig[type] ? debugConfig[type].bind(debugConfig) : consolePrintFn(type);\n });\n}\n\nexport const enableLogs = function (debugConfig) {\n // check that console is available\n if ((global.console && debugConfig === true) || typeof debugConfig === 'object') {\n exportLoggerFunctions(debugConfig,\n // Remove out from list here to hard-disable a log-level\n // 'trace',\n 'debug',\n 'log',\n 'info',\n 'warn',\n 'error'\n );\n // Some browsers don't allow to use bind on console object anyway\n // fallback to default if needed\n try {\n exportedLogger.log();\n } catch (e) {\n exportedLogger = fakeLogger;\n }\n } else {\n exportedLogger = fakeLogger;\n }\n};\n\nexport const logger = exportedLogger;\n","/**\n * @readonly\n * @enum {string}\n */\nconst HlsEvents = {\n // fired before MediaSource is attaching to media element - data: { media }\n MEDIA_ATTACHING: 'hlsMediaAttaching',\n // fired when MediaSource has been succesfully attached to media element - data: { }\n MEDIA_ATTACHED: 'hlsMediaAttached',\n // fired before detaching MediaSource from media element - data: { }\n MEDIA_DETACHING: 'hlsMediaDetaching',\n // fired when MediaSource has been detached from media element - data: { }\n MEDIA_DETACHED: 'hlsMediaDetached',\n // fired when we buffer is going to be reset - data: { }\n BUFFER_RESET: 'hlsBufferReset',\n // fired when we know about the codecs that we need buffers for to push into - data: {tracks : { container, codec, levelCodec, initSegment, metadata }}\n BUFFER_CODECS: 'hlsBufferCodecs',\n // fired when sourcebuffers have been created - data: { tracks : tracks }\n BUFFER_CREATED: 'hlsBufferCreated',\n // fired when we append a segment to the buffer - data: { segment: segment object }\n BUFFER_APPENDING: 'hlsBufferAppending',\n // fired when we are done with appending a media segment to the buffer - data : { parent : segment parent that triggered BUFFER_APPENDING, pending : nb of segments waiting for appending for this segment parent}\n BUFFER_APPENDED: 'hlsBufferAppended',\n // fired when the stream is finished and we want to notify the media buffer that there will be no more data - data: { }\n BUFFER_EOS: 'hlsBufferEos',\n // fired when the media buffer should be flushed - data { startOffset, endOffset }\n BUFFER_FLUSHING: 'hlsBufferFlushing',\n // fired when the media buffer has been flushed - data: { }\n BUFFER_FLUSHED: 'hlsBufferFlushed',\n // fired to signal that a manifest loading starts - data: { url : manifestURL}\n MANIFEST_LOADING: 'hlsManifestLoading',\n // fired after manifest has been loaded - data: { levels : [available quality levels], audioTracks : [ available audio tracks], url : manifestURL, stats : { trequest, tfirst, tload, mtime}}\n MANIFEST_LOADED: 'hlsManifestLoaded',\n // fired after manifest has been parsed - data: { levels : [available quality levels], firstLevel : index of first quality level appearing in Manifest}\n MANIFEST_PARSED: 'hlsManifestParsed',\n // fired when a level switch is requested - data: { level : id of new level }\n LEVEL_SWITCHING: 'hlsLevelSwitching',\n // fired when a level switch is effective - data: { level : id of new level }\n LEVEL_SWITCHED: 'hlsLevelSwitched',\n // fired when a level playlist loading starts - data: { url : level URL, level : id of level being loaded}\n LEVEL_LOADING: 'hlsLevelLoading',\n // fired when a level playlist loading finishes - data: { details : levelDetails object, level : id of loaded level, stats : { trequest, tfirst, tload, mtime} }\n LEVEL_LOADED: 'hlsLevelLoaded',\n // fired when a level's details have been updated based on previous details, after it has been loaded - data: { details : levelDetails object, level : id of updated level }\n LEVEL_UPDATED: 'hlsLevelUpdated',\n // fired when a level's PTS information has been updated after parsing a fragment - data: { details : levelDetails object, level : id of updated level, drift: PTS drift observed when parsing last fragment }\n LEVEL_PTS_UPDATED: 'hlsLevelPtsUpdated',\n // fired when the live back buffer is reached defined by the liveBackBufferLength config option - data : { bufferEnd: number }\n LIVE_BACK_BUFFER_REACHED: 'hlsLiveBackBufferReached',\n // fired to notify that audio track lists has been updated - data: { audioTracks : audioTracks }\n AUDIO_TRACKS_UPDATED: 'hlsAudioTracksUpdated',\n // fired when an audio track switching is requested - data: { id : audio track id }\n AUDIO_TRACK_SWITCHING: 'hlsAudioTrackSwitching',\n // fired when an audio track switch actually occurs - data: { id : audio track id }\n AUDIO_TRACK_SWITCHED: 'hlsAudioTrackSwitched',\n // fired when an audio track loading starts - data: { url : audio track URL, id : audio track id }\n AUDIO_TRACK_LOADING: 'hlsAudioTrackLoading',\n // fired when an audio track loading finishes - data: { details : levelDetails object, id : audio track id, stats : { trequest, tfirst, tload, mtime } }\n AUDIO_TRACK_LOADED: 'hlsAudioTrackLoaded',\n // fired to notify that subtitle track lists has been updated - data: { subtitleTracks : subtitleTracks }\n SUBTITLE_TRACKS_UPDATED: 'hlsSubtitleTracksUpdated',\n // fired when an subtitle track switch occurs - data: { id : subtitle track id }\n SUBTITLE_TRACK_SWITCH: 'hlsSubtitleTrackSwitch',\n // fired when a subtitle track loading starts - data: { url : subtitle track URL, id : subtitle track id }\n SUBTITLE_TRACK_LOADING: 'hlsSubtitleTrackLoading',\n // fired when a subtitle track loading finishes - data: { details : levelDetails object, id : subtitle track id, stats : { trequest, tfirst, tload, mtime } }\n SUBTITLE_TRACK_LOADED: 'hlsSubtitleTrackLoaded',\n // fired when a subtitle fragment has been processed - data: { success : boolean, frag : the processed frag }\n SUBTITLE_FRAG_PROCESSED: 'hlsSubtitleFragProcessed',\n // fired when the first timestamp is found - data: { id : demuxer id, initPTS: initPTS, frag : fragment object }\n INIT_PTS_FOUND: 'hlsInitPtsFound',\n // fired when a fragment loading starts - data: { frag : fragment object }\n FRAG_LOADING: 'hlsFragLoading',\n // fired when a fragment loading is progressing - data: { frag : fragment object, { trequest, tfirst, loaded } }\n FRAG_LOAD_PROGRESS: 'hlsFragLoadProgress',\n // Identifier for fragment load aborting for emergency switch down - data: { frag : fragment object }\n FRAG_LOAD_EMERGENCY_ABORTED: 'hlsFragLoadEmergencyAborted',\n // fired when a fragment loading is completed - data: { frag : fragment object, payload : fragment payload, stats : { trequest, tfirst, tload, length } }\n FRAG_LOADED: 'hlsFragLoaded',\n // fired when a fragment has finished decrypting - data: { id : demuxer id, frag: fragment object, payload : fragment payload, stats : { tstart, tdecrypt } }\n FRAG_DECRYPTED: 'hlsFragDecrypted',\n // fired when Init Segment has been extracted from fragment - data: { id : demuxer id, frag: fragment object, moov : moov MP4 box, codecs : codecs found while parsing fragment }\n FRAG_PARSING_INIT_SEGMENT: 'hlsFragParsingInitSegment',\n // fired when parsing sei text is completed - data: { id : demuxer id, frag: fragment object, samples : [ sei samples pes ] }\n FRAG_PARSING_USERDATA: 'hlsFragParsingUserdata',\n // fired when parsing id3 is completed - data: { id : demuxer id, frag: fragment object, samples : [ id3 samples pes ] }\n FRAG_PARSING_METADATA: 'hlsFragParsingMetadata',\n // fired when data have been extracted from fragment - data: { id : demuxer id, frag: fragment object, data1 : moof MP4 box or TS fragments, data2 : mdat MP4 box or null}\n FRAG_PARSING_DATA: 'hlsFragParsingData',\n // fired when fragment parsing is completed - data: { id : demuxer id, frag: fragment object }\n FRAG_PARSED: 'hlsFragParsed',\n // fired when fragment remuxed MP4 boxes have all been appended into SourceBuffer - data: { id : demuxer id, frag : fragment object, stats : { trequest, tfirst, tload, tparsed, tbuffered, length, bwEstimate } }\n FRAG_BUFFERED: 'hlsFragBuffered',\n // fired when fragment matching with current media position is changing - data : { id : demuxer id, frag : fragment object }\n FRAG_CHANGED: 'hlsFragChanged',\n // Identifier for a FPS drop event - data: { curentDropped, currentDecoded, totalDroppedFrames }\n FPS_DROP: 'hlsFpsDrop',\n // triggered when FPS drop triggers auto level capping - data: { level, droppedlevel }\n FPS_DROP_LEVEL_CAPPING: 'hlsFpsDropLevelCapping',\n // Identifier for an error event - data: { type : error type, details : error details, fatal : if true, hls.js cannot/will not try to recover, if false, hls.js will try to recover,other error specific data }\n ERROR: 'hlsError',\n // fired when hls.js instance starts destroying. Different from MEDIA_DETACHED as one could want to detach and reattach a media to the instance of hls.js to handle mid-rolls for example - data: { }\n DESTROYING: 'hlsDestroying',\n // fired when a decrypt key loading starts - data: { frag : fragment object }\n KEY_LOADING: 'hlsKeyLoading',\n // fired when a decrypt key loading is completed - data: { frag : fragment object, payload : key payload, stats : { trequest, tfirst, tload, length } }\n KEY_LOADED: 'hlsKeyLoaded',\n // fired upon stream controller state transitions - data: { previousState, nextState }\n STREAM_STATE_TRANSITION: 'hlsStreamStateTransition',\n // fired when the live back buffer is reached defined by the liveBackBufferLength config option - data : { bufferEnd: number }\n LIVE_BACK_BUFFER_REACHED: 'hlsLiveBackBufferReached',\n // fired when `seeked` event happens, not fired if current position is outside of the buffered range and config option `seekWithinTolerance` is true\n CAN_PLAY_AFTER_SEEK: 'hlsCanPlayAfterSeek',\n};\n\nexport default HlsEvents;\n","export enum ErrorTypes {\n // Identifier for a network error (loading error / timeout ...)\n NETWORK_ERROR = 'networkError',\n // Identifier for a media Error (video/parsing/mediasource error)\n MEDIA_ERROR = 'mediaError',\n // EME (encrypted media extensions) errors\n KEY_SYSTEM_ERROR = 'keySystemError',\n // Identifier for a mux Error (demuxing/remuxing)\n MUX_ERROR = 'muxError',\n // Identifier for all other errors\n OTHER_ERROR = 'otherError'\n}\n\n/**\n * @enum {ErrorDetails}\n * @typedef {string} ErrorDetail\n */\nexport enum ErrorDetails {\n KEY_SYSTEM_NO_KEYS = 'keySystemNoKeys',\n KEY_SYSTEM_NO_ACCESS = 'keySystemNoAccess',\n KEY_SYSTEM_NO_SESSION = 'keySystemNoSession',\n KEY_SYSTEM_LICENSE_REQUEST_FAILED = 'keySystemLicenseRequestFailed',\n KEY_SYSTEM_NO_INIT_DATA = 'keySystemNoInitData',\n // Identifier for a manifest load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n MANIFEST_LOAD_ERROR = 'manifestLoadError',\n // Identifier for a manifest load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n MANIFEST_LOAD_TIMEOUT = 'manifestLoadTimeOut',\n // Identifier for a manifest parsing error - data: { url : faulty URL, reason : error reason}\n MANIFEST_PARSING_ERROR = 'manifestParsingError',\n // Identifier for a manifest with only incompatible codecs error - data: { url : faulty URL, reason : error reason}\n MANIFEST_INCOMPATIBLE_CODECS_ERROR = 'manifestIncompatibleCodecsError',\n // Identifier for a level load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n LEVEL_LOAD_ERROR = 'levelLoadError',\n // Identifier for a level load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n LEVEL_LOAD_TIMEOUT = 'levelLoadTimeOut',\n // Identifier for a level switch error - data: { level : faulty level Id, event : error description}\n LEVEL_SWITCH_ERROR = 'levelSwitchError',\n // Identifier for an audio track load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n AUDIO_TRACK_LOAD_ERROR = 'audioTrackLoadError',\n // Identifier for an audio track load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n AUDIO_TRACK_LOAD_TIMEOUT = 'audioTrackLoadTimeOut',\n // Identifier for fragment load error - data: { frag : fragment object, response : { code: error code, text: error text }}\n FRAG_LOAD_ERROR = 'fragLoadError',\n // Identifier for fragment load timeout error - data: { frag : fragment object}\n FRAG_LOAD_TIMEOUT = 'fragLoadTimeOut',\n // Identifier for a fragment decryption error event - data: {id : demuxer Id,frag: fragment object, reason : parsing error description }\n FRAG_DECRYPT_ERROR = 'fragDecryptError',\n // Identifier for a fragment parsing error event - data: { id : demuxer Id, reason : parsing error description }\n // will be renamed DEMUX_PARSING_ERROR and switched to MUX_ERROR in the next major release\n FRAG_PARSING_ERROR = 'fragParsingError',\n // Identifier for a remux alloc error event - data: { id : demuxer Id, frag : fragment object, bytes : nb of bytes on which allocation failed , reason : error text }\n REMUX_ALLOC_ERROR = 'remuxAllocError',\n // Identifier for decrypt key load error - data: { frag : fragment object, response : { code: error code, text: error text }}\n KEY_LOAD_ERROR = 'keyLoadError',\n // Identifier for decrypt key load timeout error - data: { frag : fragment object}\n KEY_LOAD_TIMEOUT = 'keyLoadTimeOut',\n // Triggered when an exception occurs while adding a sourceBuffer to MediaSource - data : { err : exception , mimeType : mimeType }\n BUFFER_ADD_CODEC_ERROR = 'bufferAddCodecError',\n // Identifier for a buffer append error - data: append error description\n BUFFER_APPEND_ERROR = 'bufferAppendError',\n // Identifier for a buffer appending error event - data: appending error description\n BUFFER_APPENDING_ERROR = 'bufferAppendingError',\n // Identifier for a buffer stalled error event\n BUFFER_STALLED_ERROR = 'bufferStalledError',\n // Identifier for a buffer full event\n BUFFER_FULL_ERROR = 'bufferFullError',\n // Identifier for a buffer seek over hole event\n BUFFER_SEEK_OVER_HOLE = 'bufferSeekOverHole',\n // Identifier for a buffer nudge on stall (playback is stuck although currentTime is in a buffered area)\n BUFFER_NUDGE_ON_STALL = 'bufferNudgeOnStall',\n // Identifier for an internal exception happening inside hls.js while handling an event\n INTERNAL_EXCEPTION = 'internalException'\n}\n","export const isFiniteNumber = Number.isFinite || function (value) {\n return typeof value === 'number' && isFinite(value);\n};\n","import { getSelfScope } from '../utils/get-self-scope';\n\n/**\n * ID3 parser\n */\nclass ID3 {\n /**\n * Returns true if an ID3 header can be found at offset in data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {boolean} - True if an ID3 header is found\n */\n static isHeader (data, offset) {\n /*\n * http://id3.org/id3v2.3.0\n * [0] = 'I'\n * [1] = 'D'\n * [2] = '3'\n * [3,4] = {Version}\n * [5] = {Flags}\n * [6-9] = {ID3 Size}\n *\n * An ID3v2 tag can be detected with the following pattern:\n * $49 44 33 yy yy xx zz zz zz zz\n * Where yy is less than $FF, xx is the 'flags' byte and zz is less than $80\n */\n if (offset + 10 <= data.length) {\n // look for 'ID3' identifier\n if (data[offset] === 0x49 && data[offset + 1] === 0x44 && data[offset + 2] === 0x33) {\n // check version is within range\n if (data[offset + 3] < 0xFF && data[offset + 4] < 0xFF) {\n // check size is within range\n if (data[offset + 6] < 0x80 && data[offset + 7] < 0x80 && data[offset + 8] < 0x80 && data[offset + 9] < 0x80) {\n return true;\n }\n }\n }\n }\n\n return false;\n }\n\n /**\n * Returns true if an ID3 footer can be found at offset in data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {boolean} - True if an ID3 footer is found\n */\n static isFooter (data, offset) {\n /*\n * The footer is a copy of the header, but with a different identifier\n */\n if (offset + 10 <= data.length) {\n // look for '3DI' identifier\n if (data[offset] === 0x33 && data[offset + 1] === 0x44 && data[offset + 2] === 0x49) {\n // check version is within range\n if (data[offset + 3] < 0xFF && data[offset + 4] < 0xFF) {\n // check size is within range\n if (data[offset + 6] < 0x80 && data[offset + 7] < 0x80 && data[offset + 8] < 0x80 && data[offset + 9] < 0x80) {\n return true;\n }\n }\n }\n }\n\n return false;\n }\n\n /**\n * Returns any adjacent ID3 tags found in data starting at offset, as one block of data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {Uint8Array} - The block of data containing any ID3 tags found\n */\n static getID3Data (data, offset) {\n const front = offset;\n let length = 0;\n\n while (ID3.isHeader(data, offset)) {\n // ID3 header is 10 bytes\n length += 10;\n\n const size = ID3._readSize(data, offset + 6);\n length += size;\n\n if (ID3.isFooter(data, offset + 10)) {\n // ID3 footer is 10 bytes\n length += 10;\n }\n\n offset += length;\n }\n\n if (length > 0) {\n return data.subarray(front, front + length);\n }\n\n return undefined;\n }\n\n static _readSize (data, offset) {\n let size = 0;\n size = ((data[offset] & 0x7f) << 21);\n size |= ((data[offset + 1] & 0x7f) << 14);\n size |= ((data[offset + 2] & 0x7f) << 7);\n size |= (data[offset + 3] & 0x7f);\n return size;\n }\n\n /**\n * Searches for the Elementary Stream timestamp found in the ID3 data chunk\n * @param {Uint8Array} data - Block of data containing one or more ID3 tags\n * @return {number} - The timestamp\n */\n static getTimeStamp (data) {\n const frames = ID3.getID3Frames(data);\n for (let i = 0; i < frames.length; i++) {\n const frame = frames[i];\n if (ID3.isTimeStampFrame(frame)) {\n return ID3._readTimeStamp(frame);\n }\n }\n\n return undefined;\n }\n\n /**\n * Returns true if the ID3 frame is an Elementary Stream timestamp frame\n * @param {ID3 frame} frame\n */\n static isTimeStampFrame (frame) {\n return (frame && frame.key === 'PRIV' && frame.info === 'com.apple.streaming.transportStreamTimestamp');\n }\n\n static _getFrameData (data) {\n /*\n Frame ID $xx xx xx xx (four characters)\n Size $xx xx xx xx\n Flags $xx xx\n */\n const type = String.fromCharCode(data[0], data[1], data[2], data[3]);\n const size = ID3._readSize(data, 4);\n\n // skip frame id, size, and flags\n let offset = 10;\n\n return { type, size, data: data.subarray(offset, offset + size) };\n }\n\n /**\n * Returns an array of ID3 frames found in all the ID3 tags in the id3Data\n * @param {Uint8Array} id3Data - The ID3 data containing one or more ID3 tags\n * @return {ID3 frame[]} - Array of ID3 frame objects\n */\n static getID3Frames (id3Data) {\n let offset = 0;\n const frames = [];\n\n while (ID3.isHeader(id3Data, offset)) {\n const size = ID3._readSize(id3Data, offset + 6);\n // skip past ID3 header\n offset += 10;\n const end = offset + size;\n // loop through frames in the ID3 tag\n while (offset + 8 < end) {\n const frameData = ID3._getFrameData(id3Data.subarray(offset));\n const frame = ID3._decodeFrame(frameData);\n if (frame) {\n frames.push(frame);\n }\n\n // skip frame header and frame data\n offset += frameData.size + 10;\n }\n\n if (ID3.isFooter(id3Data, offset)) {\n offset += 10;\n }\n }\n\n return frames;\n }\n\n static _decodeFrame (frame) {\n if (frame.type === 'PRIV') {\n return ID3._decodePrivFrame(frame);\n } else if (frame.type[0] === 'T') {\n return ID3._decodeTextFrame(frame);\n } else if (frame.type[0] === 'W') {\n return ID3._decodeURLFrame(frame);\n }\n\n return undefined;\n }\n\n static _readTimeStamp (timeStampFrame) {\n if (timeStampFrame.data.byteLength === 8) {\n const data = new Uint8Array(timeStampFrame.data);\n // timestamp is 33 bit expressed as a big-endian eight-octet number,\n // with the upper 31 bits set to zero.\n const pts33Bit = data[3] & 0x1;\n let timestamp = (data[4] << 23) +\n (data[5] << 15) +\n (data[6] << 7) +\n data[7];\n timestamp /= 45;\n\n if (pts33Bit) {\n timestamp += 47721858.84;\n } // 2^32 / 90\n\n return Math.round(timestamp);\n }\n\n return undefined;\n }\n\n static _decodePrivFrame (frame) {\n /*\n Format: <text string>\\0<binary data>\n */\n if (frame.size < 2) {\n return undefined;\n }\n\n const owner = ID3._utf8ArrayToStr(frame.data, true);\n const privateData = new Uint8Array(frame.data.subarray(owner.length + 1));\n\n return { key: frame.type, info: owner, data: privateData.buffer };\n }\n\n static _decodeTextFrame (frame) {\n if (frame.size < 2) {\n return undefined;\n }\n\n if (frame.type === 'TXXX') {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Description}\\0{Value}\n */\n let index = 1;\n const description = ID3._utf8ArrayToStr(frame.data.subarray(index), true);\n\n index += description.length + 1;\n const value = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n return { key: frame.type, info: description, data: value };\n } else {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Value}\n */\n const text = ID3._utf8ArrayToStr(frame.data.subarray(1));\n return { key: frame.type, data: text };\n }\n }\n\n static _decodeURLFrame (frame) {\n if (frame.type === 'WXXX') {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Description}\\0{URL}\n */\n if (frame.size < 2) {\n return undefined;\n }\n\n let index = 1;\n const description = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n index += description.length + 1;\n const value = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n return { key: frame.type, info: description, data: value };\n } else {\n /*\n Format:\n [0-?] = {URL}\n */\n const url = ID3._utf8ArrayToStr(frame.data);\n return { key: frame.type, data: url };\n }\n }\n\n // http://stackoverflow.com/questions/8936984/uint8array-to-string-in-javascript/22373197\n // http://www.onicos.com/staff/iz/amuse/javascript/expert/utf.txt\n /* utf.js - UTF-8 <=> UTF-16 convertion\n *\n * Copyright (C) 1999 Masanao Izumo <iz@onicos.co.jp>\n * Version: 1.0\n * LastModified: Dec 25 1999\n * This library is free. You can redistribute it and/or modify it.\n */\n static _utf8ArrayToStr (array, exitOnNull = false) {\n const decoder = getTextDecoder();\n if (decoder) {\n const decoded = decoder.decode(array);\n\n if (exitOnNull) {\n // grab up to the first null\n const idx = decoded.indexOf('\\0');\n return idx !== -1 ? decoded.substring(0, idx) : decoded;\n }\n\n // remove any null characters\n return decoded.replace(/\\0/g, '');\n }\n\n const len = array.length;\n let c;\n let char2;\n let char3;\n let out = '';\n let i = 0;\n while (i < len) {\n c = array[i++];\n if (c === 0x00 && exitOnNull) {\n return out;\n } else if (c === 0x00 || c === 0x03) {\n // If the character is 3 (END_OF_TEXT) or 0 (NULL) then skip it\n continue;\n }\n switch (c >> 4) {\n case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:\n // 0xxxxxxx\n out += String.fromCharCode(c);\n break;\n case 12: case 13:\n // 110x xxxx 10xx xxxx\n char2 = array[i++];\n out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F));\n break;\n case 14:\n // 1110 xxxx 10xx xxxx 10xx xxxx\n char2 = array[i++];\n char3 = array[i++];\n out += String.fromCharCode(((c & 0x0F) << 12) |\n ((char2 & 0x3F) << 6) |\n ((char3 & 0x3F) << 0));\n break;\n default:\n }\n }\n return out;\n }\n}\n\nlet decoder;\n\nfunction getTextDecoder () {\n const global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n if (!decoder && typeof global.TextDecoder !== 'undefined') {\n decoder = new global.TextDecoder('utf-8');\n }\n\n return decoder;\n}\n\nconst utf8ArrayToStr = ID3._utf8ArrayToStr;\n\nexport default ID3;\n\nexport { utf8ArrayToStr };\n","export function getSelfScope () {\n // see https://stackoverflow.com/a/11237259/589493\n if (typeof window === 'undefined') {\n /* eslint-disable-next-line no-undef */\n return self;\n } else {\n return window;\n }\n}\n","// This file is inserted as a shim for modules which we do not want to include into the distro.\n// This replacement is done in the \"resolve\" section of the webpack config.\nmodule.exports = void 0;\n","// see https://tools.ietf.org/html/rfc1808\n\n/* jshint ignore:start */\n(function(root) { \n/* jshint ignore:end */\n\n var URL_REGEX = /^((?:[a-zA-Z0-9+\\-.]+:)?)(\\/\\/[^\\/?#]*)?((?:[^\\/\\?#]*\\/)*.*?)??(;.*?)?(\\?.*?)?(#.*?)?$/;\n var FIRST_SEGMENT_REGEX = /^([^\\/?#]*)(.*)$/;\n var SLASH_DOT_REGEX = /(?:\\/|^)\\.(?=\\/)/g;\n var SLASH_DOT_DOT_REGEX = /(?:\\/|^)\\.\\.\\/(?!\\.\\.\\/).*?(?=\\/)/g;\n\n var URLToolkit = { // jshint ignore:line\n // If opts.alwaysNormalize is true then the path will always be normalized even when it starts with / or //\n // E.g\n // With opts.alwaysNormalize = false (default, spec compliant)\n // http://a.com/b/cd + /e/f/../g => http://a.com/e/f/../g\n // With opts.alwaysNormalize = true (not spec compliant)\n // http://a.com/b/cd + /e/f/../g => http://a.com/e/g\n buildAbsoluteURL: function(baseURL, relativeURL, opts) {\n opts = opts || {};\n // remove any remaining space and CRLF\n baseURL = baseURL.trim();\n relativeURL = relativeURL.trim();\n if (!relativeURL) {\n // 2a) If the embedded URL is entirely empty, it inherits the\n // entire base URL (i.e., is set equal to the base URL)\n // and we are done.\n if (!opts.alwaysNormalize) {\n return baseURL;\n }\n var basePartsForNormalise = URLToolkit.parseURL(baseURL);\n if (!basePartsForNormalise) {\n throw new Error('Error trying to parse base URL.');\n }\n basePartsForNormalise.path = URLToolkit.normalizePath(basePartsForNormalise.path);\n return URLToolkit.buildURLFromParts(basePartsForNormalise);\n }\n var relativeParts = URLToolkit.parseURL(relativeURL);\n if (!relativeParts) {\n throw new Error('Error trying to parse relative URL.');\n }\n if (relativeParts.scheme) {\n // 2b) If the embedded URL starts with a scheme name, it is\n // interpreted as an absolute URL and we are done.\n if (!opts.alwaysNormalize) {\n return relativeURL;\n }\n relativeParts.path = URLToolkit.normalizePath(relativeParts.path);\n return URLToolkit.buildURLFromParts(relativeParts);\n }\n var baseParts = URLToolkit.parseURL(baseURL);\n if (!baseParts) {\n throw new Error('Error trying to parse base URL.');\n }\n if (!baseParts.netLoc && baseParts.path && baseParts.path[0] !== '/') {\n // If netLoc missing and path doesn't start with '/', assume everthing before the first '/' is the netLoc\n // This causes 'example.com/a' to be handled as '//example.com/a' instead of '/example.com/a'\n var pathParts = FIRST_SEGMENT_REGEX.exec(baseParts.path);\n baseParts.netLoc = pathParts[1];\n baseParts.path = pathParts[2];\n }\n if (baseParts.netLoc && !baseParts.path) {\n baseParts.path = '/';\n }\n var builtParts = {\n // 2c) Otherwise, the embedded URL inherits the scheme of\n // the base URL.\n scheme: baseParts.scheme,\n netLoc: relativeParts.netLoc,\n path: null,\n params: relativeParts.params,\n query: relativeParts.query,\n fragment: relativeParts.fragment\n };\n if (!relativeParts.netLoc) {\n // 3) If the embedded URL's <net_loc> is non-empty, we skip to\n // Step 7. Otherwise, the embedded URL inherits the <net_loc>\n // (if any) of the base URL.\n builtParts.netLoc = baseParts.netLoc;\n // 4) If the embedded URL path is preceded by a slash \"/\", the\n // path is not relative and we skip to Step 7.\n if (relativeParts.path[0] !== '/') {\n if (!relativeParts.path) {\n // 5) If the embedded URL path is empty (and not preceded by a\n // slash), then the embedded URL inherits the base URL path\n builtParts.path = baseParts.path;\n // 5a) if the embedded URL's <params> is non-empty, we skip to\n // step 7; otherwise, it inherits the <params> of the base\n // URL (if any) and\n if (!relativeParts.params) {\n builtParts.params = baseParts.params;\n // 5b) if the embedded URL's <query> is non-empty, we skip to\n // step 7; otherwise, it inherits the <query> of the base\n // URL (if any) and we skip to step 7.\n if (!relativeParts.query) {\n builtParts.query = baseParts.query;\n }\n }\n } else {\n // 6) The last segment of the base URL's path (anything\n // following the rightmost slash \"/\", or the entire path if no\n // slash is present) is removed and the embedded URL's path is\n // appended in its place.\n var baseURLPath = baseParts.path;\n var newPath = baseURLPath.substring(0, baseURLPath.lastIndexOf('/') + 1) + relativeParts.path;\n builtParts.path = URLToolkit.normalizePath(newPath);\n }\n }\n }\n if (builtParts.path === null) {\n builtParts.path = opts.alwaysNormalize ? URLToolkit.normalizePath(relativeParts.path) : relativeParts.path;\n }\n return URLToolkit.buildURLFromParts(builtParts);\n },\n parseURL: function(url) {\n var parts = URL_REGEX.exec(url);\n if (!parts) {\n return null;\n }\n return {\n scheme: parts[1] || '',\n netLoc: parts[2] || '',\n path: parts[3] || '',\n params: parts[4] || '',\n query: parts[5] || '',\n fragment: parts[6] || ''\n };\n },\n normalizePath: function(path) {\n // The following operations are\n // then applied, in order, to the new path:\n // 6a) All occurrences of \"./\", where \".\" is a complete path\n // segment, are removed.\n // 6b) If the path ends with \".\" as a complete path segment,\n // that \".\" is removed.\n path = path.split('').reverse().join('').replace(SLASH_DOT_REGEX, '');\n // 6c) All occurrences of \"<segment>/../\", where <segment> is a\n // complete path segment not equal to \"..\", are removed.\n // Removal of these path segments is performed iteratively,\n // removing the leftmost matching pattern on each iteration,\n // until no matching pattern remains.\n // 6d) If the path ends with \"<segment>/..\", where <segment> is a\n // complete path segment not equal to \"..\", that\n // \"<segment>/..\" is removed.\n while (path.length !== (path = path.replace(SLASH_DOT_DOT_REGEX, '')).length) {} // jshint ignore:line\n return path.split('').reverse().join('');\n },\n buildURLFromParts: function(parts) {\n return parts.scheme + parts.netLoc + parts.path + parts.params + parts.query + parts.fragment;\n }\n };\n\n/* jshint ignore:start */\n if(typeof exports === 'object' && typeof module === 'object')\n module.exports = URLToolkit;\n else if(typeof define === 'function' && define.amd)\n define([], function() { return URLToolkit; });\n else if(typeof exports === 'object')\n exports[\"URLToolkit\"] = URLToolkit;\n else\n root[\"URLToolkit\"] = URLToolkit;\n})(this);\n/* jshint ignore:end */\n","'use strict';\n\nvar has = Object.prototype.hasOwnProperty\n , prefix = '~';\n\n/**\n * Constructor to create a storage for our `EE` objects.\n * An `Events` instance is a plain object whose properties are event names.\n *\n * @constructor\n * @private\n */\nfunction Events() {}\n\n//\n// We try to not inherit from `Object.prototype`. In some engines creating an\n// instance in this way is faster than calling `Object.create(null)` directly.\n// If `Object.create(null)` is not supported we prefix the event names with a\n// character to make sure that the built-in object properties are not\n// overridden or used as an attack vector.\n//\nif (Object.create) {\n Events.prototype = Object.create(null);\n\n //\n // This hack is needed because the `__proto__` property is still inherited in\n // some old browsers like Android 4, iPhone 5.1, Opera 11 and Safari 5.\n //\n if (!new Events().__proto__) prefix = false;\n}\n\n/**\n * Representation of a single event listener.\n *\n * @param {Function} fn The listener function.\n * @param {*} context The context to invoke the listener with.\n * @param {Boolean} [once=false] Specify if the listener is a one-time listener.\n * @constructor\n * @private\n */\nfunction EE(fn, context, once) {\n this.fn = fn;\n this.context = context;\n this.once = once || false;\n}\n\n/**\n * Add a listener for a given event.\n *\n * @param {EventEmitter} emitter Reference to the `EventEmitter` instance.\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} context The context to invoke the listener with.\n * @param {Boolean} once Specify if the listener is a one-time listener.\n * @returns {EventEmitter}\n * @private\n */\nfunction addListener(emitter, event, fn, context, once) {\n if (typeof fn !== 'function') {\n throw new TypeError('The listener must be a function');\n }\n\n var listener = new EE(fn, context || emitter, once)\n , evt = prefix ? prefix + event : event;\n\n if (!emitter._events[evt]) emitter._events[evt] = listener, emitter._eventsCount++;\n else if (!emitter._events[evt].fn) emitter._events[evt].push(listener);\n else emitter._events[evt] = [emitter._events[evt], listener];\n\n return emitter;\n}\n\n/**\n * Clear event by name.\n *\n * @param {EventEmitter} emitter Reference to the `EventEmitter` instance.\n * @param {(String|Symbol)} evt The Event name.\n * @private\n */\nfunction clearEvent(emitter, evt) {\n if (--emitter._eventsCount === 0) emitter._events = new Events();\n else delete emitter._events[evt];\n}\n\n/**\n * Minimal `EventEmitter` interface that is molded against the Node.js\n * `EventEmitter` interface.\n *\n * @constructor\n * @public\n */\nfunction EventEmitter() {\n this._events = new Events();\n this._eventsCount = 0;\n}\n\n/**\n * Return an array listing the events for which the emitter has registered\n * listeners.\n *\n * @returns {Array}\n * @public\n */\nEventEmitter.prototype.eventNames = function eventNames() {\n var names = []\n , events\n , name;\n\n if (this._eventsCount === 0) return names;\n\n for (name in (events = this._events)) {\n if (has.call(events, name)) names.push(prefix ? name.slice(1) : name);\n }\n\n if (Object.getOwnPropertySymbols) {\n return names.concat(Object.getOwnPropertySymbols(events));\n }\n\n return names;\n};\n\n/**\n * Return the listeners registered for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Array} The registered listeners.\n * @public\n */\nEventEmitter.prototype.listeners = function listeners(event) {\n var evt = prefix ? prefix + event : event\n , handlers = this._events[evt];\n\n if (!handlers) return [];\n if (handlers.fn) return [handlers.fn];\n\n for (var i = 0, l = handlers.length, ee = new Array(l); i < l; i++) {\n ee[i] = handlers[i].fn;\n }\n\n return ee;\n};\n\n/**\n * Return the number of listeners listening to a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Number} The number of listeners.\n * @public\n */\nEventEmitter.prototype.listenerCount = function listenerCount(event) {\n var evt = prefix ? prefix + event : event\n , listeners = this._events[evt];\n\n if (!listeners) return 0;\n if (listeners.fn) return 1;\n return listeners.length;\n};\n\n/**\n * Calls each of the listeners registered for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Boolean} `true` if the event had listeners, else `false`.\n * @public\n */\nEventEmitter.prototype.emit = function emit(event, a1, a2, a3, a4, a5) {\n var evt = prefix ? prefix + event : event;\n\n if (!this._events[evt]) return false;\n\n var listeners = this._events[evt]\n , len = arguments.length\n , args\n , i;\n\n if (listeners.fn) {\n if (listeners.once) this.removeListener(event, listeners.fn, undefined, true);\n\n switch (len) {\n case 1: return listeners.fn.call(listeners.context), true;\n case 2: return listeners.fn.call(listeners.context, a1), true;\n case 3: return listeners.fn.call(listeners.context, a1, a2), true;\n case 4: return listeners.fn.call(listeners.context, a1, a2, a3), true;\n case 5: return listeners.fn.call(listeners.context, a1, a2, a3, a4), true;\n case 6: return listeners.fn.call(listeners.context, a1, a2, a3, a4, a5), true;\n }\n\n for (i = 1, args = new Array(len -1); i < len; i++) {\n args[i - 1] = arguments[i];\n }\n\n listeners.fn.apply(listeners.context, args);\n } else {\n var length = listeners.length\n , j;\n\n for (i = 0; i < length; i++) {\n if (listeners[i].once) this.removeListener(event, listeners[i].fn, undefined, true);\n\n switch (len) {\n case 1: listeners[i].fn.call(listeners[i].context); break;\n case 2: listeners[i].fn.call(listeners[i].context, a1); break;\n case 3: listeners[i].fn.call(listeners[i].context, a1, a2); break;\n case 4: listeners[i].fn.call(listeners[i].context, a1, a2, a3); break;\n default:\n if (!args) for (j = 1, args = new Array(len -1); j < len; j++) {\n args[j - 1] = arguments[j];\n }\n\n listeners[i].fn.apply(listeners[i].context, args);\n }\n }\n }\n\n return true;\n};\n\n/**\n * Add a listener for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} [context=this] The context to invoke the listener with.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.on = function on(event, fn, context) {\n return addListener(this, event, fn, context, false);\n};\n\n/**\n * Add a one-time listener for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} [context=this] The context to invoke the listener with.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.once = function once(event, fn, context) {\n return addListener(this, event, fn, context, true);\n};\n\n/**\n * Remove the listeners of a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn Only remove the listeners that match this function.\n * @param {*} context Only remove the listeners that have this context.\n * @param {Boolean} once Only remove one-time listeners.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.removeListener = function removeListener(event, fn, context, once) {\n var evt = prefix ? prefix + event : event;\n\n if (!this._events[evt]) return this;\n if (!fn) {\n clearEvent(this, evt);\n return this;\n }\n\n var listeners = this._events[evt];\n\n if (listeners.fn) {\n if (\n listeners.fn === fn &&\n (!once || listeners.once) &&\n (!context || listeners.context === context)\n ) {\n clearEvent(this, evt);\n }\n } else {\n for (var i = 0, events = [], length = listeners.length; i < length; i++) {\n if (\n listeners[i].fn !== fn ||\n (once && !listeners[i].once) ||\n (context && listeners[i].context !== context)\n ) {\n events.push(listeners[i]);\n }\n }\n\n //\n // Reset the array, or remove it completely if we have no more listeners.\n //\n if (events.length) this._events[evt] = events.length === 1 ? events[0] : events;\n else clearEvent(this, evt);\n }\n\n return this;\n};\n\n/**\n * Remove all listeners, or those of the specified event.\n *\n * @param {(String|Symbol)} [event] The event name.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.removeAllListeners = function removeAllListeners(event) {\n var evt;\n\n if (event) {\n evt = prefix ? prefix + event : event;\n if (this._events[evt]) clearEvent(this, evt);\n } else {\n this._events = new Events();\n this._eventsCount = 0;\n }\n\n return this;\n};\n\n//\n// Alias methods names because people roll like that.\n//\nEventEmitter.prototype.off = EventEmitter.prototype.removeListener;\nEventEmitter.prototype.addListener = EventEmitter.prototype.on;\n\n//\n// Expose the prefix.\n//\nEventEmitter.prefixed = prefix;\n\n//\n// Allow `EventEmitter` to be imported as module namespace.\n//\nEventEmitter.EventEmitter = EventEmitter;\n\n//\n// Expose the module.\n//\nif ('undefined' !== typeof module) {\n module.exports = EventEmitter;\n}\n","export default class AESCrypto {\n constructor (subtle, iv) {\n this.subtle = subtle;\n this.aesIV = iv;\n }\n\n decrypt (data, key) {\n return this.subtle.decrypt({ name: 'AES-CBC', iv: this.aesIV }, key, data);\n }\n}\n","class FastAESKey {\n constructor (subtle, key) {\n this.subtle = subtle;\n this.key = key;\n }\n\n expandKey () {\n return this.subtle.importKey('raw', this.key, { name: 'AES-CBC' }, false, ['encrypt', 'decrypt']);\n }\n}\n\nexport default FastAESKey;\n","// PKCS7\nexport function removePadding (buffer) {\n const outputBytes = buffer.byteLength;\n const paddingBytes = outputBytes && (new DataView(buffer)).getUint8(outputBytes - 1);\n if (paddingBytes) {\n return buffer.slice(0, outputBytes - paddingBytes);\n } else {\n return buffer;\n }\n}\n\nclass AESDecryptor {\n constructor () {\n // Static after running initTable\n this.rcon = [0x0, 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36];\n this.subMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)];\n this.invSubMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)];\n this.sBox = new Uint32Array(256);\n this.invSBox = new Uint32Array(256);\n\n // Changes during runtime\n this.key = new Uint32Array(0);\n\n this.initTable();\n }\n\n // Using view.getUint32() also swaps the byte order.\n uint8ArrayToUint32Array_ (arrayBuffer) {\n let view = new DataView(arrayBuffer);\n let newArray = new Uint32Array(4);\n for (let i = 0; i < 4; i++) {\n newArray[i] = view.getUint32(i * 4);\n }\n\n return newArray;\n }\n\n initTable () {\n let sBox = this.sBox;\n let invSBox = this.invSBox;\n let subMix = this.subMix;\n let subMix0 = subMix[0];\n let subMix1 = subMix[1];\n let subMix2 = subMix[2];\n let subMix3 = subMix[3];\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let d = new Uint32Array(256);\n let x = 0;\n let xi = 0;\n let i = 0;\n for (i = 0; i < 256; i++) {\n if (i < 128) {\n d[i] = i << 1;\n } else {\n d[i] = (i << 1) ^ 0x11b;\n }\n }\n\n for (i = 0; i < 256; i++) {\n let sx = xi ^ (xi << 1) ^ (xi << 2) ^ (xi << 3) ^ (xi << 4);\n sx = (sx >>> 8) ^ (sx & 0xff) ^ 0x63;\n sBox[x] = sx;\n invSBox[sx] = x;\n\n // Compute multiplication\n let x2 = d[x];\n let x4 = d[x2];\n let x8 = d[x4];\n\n // Compute sub/invSub bytes, mix columns tables\n let t = (d[sx] * 0x101) ^ (sx * 0x1010100);\n subMix0[x] = (t << 24) | (t >>> 8);\n subMix1[x] = (t << 16) | (t >>> 16);\n subMix2[x] = (t << 8) | (t >>> 24);\n subMix3[x] = t;\n\n // Compute inv sub bytes, inv mix columns tables\n t = (x8 * 0x1010101) ^ (x4 * 0x10001) ^ (x2 * 0x101) ^ (x * 0x1010100);\n invSubMix0[sx] = (t << 24) | (t >>> 8);\n invSubMix1[sx] = (t << 16) | (t >>> 16);\n invSubMix2[sx] = (t << 8) | (t >>> 24);\n invSubMix3[sx] = t;\n\n // Compute next counter\n if (!x) {\n x = xi = 1;\n } else {\n x = x2 ^ d[d[d[x8 ^ x2]]];\n xi ^= d[d[xi]];\n }\n }\n }\n\n expandKey (keyBuffer) {\n // convert keyBuffer to Uint32Array\n let key = this.uint8ArrayToUint32Array_(keyBuffer);\n let sameKey = true;\n let offset = 0;\n\n while (offset < key.length && sameKey) {\n sameKey = (key[offset] === this.key[offset]);\n offset++;\n }\n\n if (sameKey) {\n return;\n }\n\n this.key = key;\n let keySize = this.keySize = key.length;\n\n if (keySize !== 4 && keySize !== 6 && keySize !== 8) {\n throw new Error('Invalid aes key size=' + keySize);\n }\n\n let ksRows = this.ksRows = (keySize + 6 + 1) * 4;\n let ksRow;\n let invKsRow;\n\n let keySchedule = this.keySchedule = new Uint32Array(ksRows);\n let invKeySchedule = this.invKeySchedule = new Uint32Array(ksRows);\n let sbox = this.sBox;\n let rcon = this.rcon;\n\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let prev;\n let t;\n\n for (ksRow = 0; ksRow < ksRows; ksRow++) {\n if (ksRow < keySize) {\n prev = keySchedule[ksRow] = key[ksRow];\n continue;\n }\n t = prev;\n\n if (ksRow % keySize === 0) {\n // Rot word\n t = (t << 8) | (t >>> 24);\n\n // Sub word\n t = (sbox[t >>> 24] << 24) | (sbox[(t >>> 16) & 0xff] << 16) | (sbox[(t >>> 8) & 0xff] << 8) | sbox[t & 0xff];\n\n // Mix Rcon\n t ^= rcon[(ksRow / keySize) | 0] << 24;\n } else if (keySize > 6 && ksRow % keySize === 4) {\n // Sub word\n t = (sbox[t >>> 24] << 24) | (sbox[(t >>> 16) & 0xff] << 16) | (sbox[(t >>> 8) & 0xff] << 8) | sbox[t & 0xff];\n }\n\n keySchedule[ksRow] = prev = (keySchedule[ksRow - keySize] ^ t) >>> 0;\n }\n\n for (invKsRow = 0; invKsRow < ksRows; invKsRow++) {\n ksRow = ksRows - invKsRow;\n if (invKsRow & 3) {\n t = keySchedule[ksRow];\n } else {\n t = keySchedule[ksRow - 4];\n }\n\n if (invKsRow < 4 || ksRow <= 4) {\n invKeySchedule[invKsRow] = t;\n } else {\n invKeySchedule[invKsRow] = invSubMix0[sbox[t >>> 24]] ^ invSubMix1[sbox[(t >>> 16) & 0xff]] ^ invSubMix2[sbox[(t >>> 8) & 0xff]] ^ invSubMix3[sbox[t & 0xff]];\n }\n\n invKeySchedule[invKsRow] = invKeySchedule[invKsRow] >>> 0;\n }\n }\n\n // Adding this as a method greatly improves performance.\n networkToHostOrderSwap (word) {\n return (word << 24) | ((word & 0xff00) << 8) | ((word & 0xff0000) >> 8) | (word >>> 24);\n }\n\n decrypt (inputArrayBuffer, offset, aesIV, removePKCS7Padding) {\n let nRounds = this.keySize + 6;\n let invKeySchedule = this.invKeySchedule;\n let invSBOX = this.invSBox;\n\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let initVector = this.uint8ArrayToUint32Array_(aesIV);\n let initVector0 = initVector[0];\n let initVector1 = initVector[1];\n let initVector2 = initVector[2];\n let initVector3 = initVector[3];\n\n let inputInt32 = new Int32Array(inputArrayBuffer);\n let outputInt32 = new Int32Array(inputInt32.length);\n\n let t0, t1, t2, t3;\n let s0, s1, s2, s3;\n let inputWords0, inputWords1, inputWords2, inputWords3;\n\n let ksRow, i;\n let swapWord = this.networkToHostOrderSwap;\n\n while (offset < inputInt32.length) {\n inputWords0 = swapWord(inputInt32[offset]);\n inputWords1 = swapWord(inputInt32[offset + 1]);\n inputWords2 = swapWord(inputInt32[offset + 2]);\n inputWords3 = swapWord(inputInt32[offset + 3]);\n\n s0 = inputWords0 ^ invKeySchedule[0];\n s1 = inputWords3 ^ invKeySchedule[1];\n s2 = inputWords2 ^ invKeySchedule[2];\n s3 = inputWords1 ^ invKeySchedule[3];\n\n ksRow = 4;\n\n // Iterate through the rounds of decryption\n for (i = 1; i < nRounds; i++) {\n t0 = invSubMix0[s0 >>> 24] ^ invSubMix1[(s1 >> 16) & 0xff] ^ invSubMix2[(s2 >> 8) & 0xff] ^ invSubMix3[s3 & 0xff] ^ invKeySchedule[ksRow];\n t1 = invSubMix0[s1 >>> 24] ^ invSubMix1[(s2 >> 16) & 0xff] ^ invSubMix2[(s3 >> 8) & 0xff] ^ invSubMix3[s0 & 0xff] ^ invKeySchedule[ksRow + 1];\n t2 = invSubMix0[s2 >>> 24] ^ invSubMix1[(s3 >> 16) & 0xff] ^ invSubMix2[(s0 >> 8) & 0xff] ^ invSubMix3[s1 & 0xff] ^ invKeySchedule[ksRow + 2];\n t3 = invSubMix0[s3 >>> 24] ^ invSubMix1[(s0 >> 16) & 0xff] ^ invSubMix2[(s1 >> 8) & 0xff] ^ invSubMix3[s2 & 0xff] ^ invKeySchedule[ksRow + 3];\n // Update state\n s0 = t0;\n s1 = t1;\n s2 = t2;\n s3 = t3;\n\n ksRow = ksRow + 4;\n }\n\n // Shift rows, sub bytes, add round key\n t0 = ((invSBOX[s0 >>> 24] << 24) ^ (invSBOX[(s1 >> 16) & 0xff] << 16) ^ (invSBOX[(s2 >> 8) & 0xff] << 8) ^ invSBOX[s3 & 0xff]) ^ invKeySchedule[ksRow];\n t1 = ((invSBOX[s1 >>> 24] << 24) ^ (invSBOX[(s2 >> 16) & 0xff] << 16) ^ (invSBOX[(s3 >> 8) & 0xff] << 8) ^ invSBOX[s0 & 0xff]) ^ invKeySchedule[ksRow + 1];\n t2 = ((invSBOX[s2 >>> 24] << 24) ^ (invSBOX[(s3 >> 16) & 0xff] << 16) ^ (invSBOX[(s0 >> 8) & 0xff] << 8) ^ invSBOX[s1 & 0xff]) ^ invKeySchedule[ksRow + 2];\n t3 = ((invSBOX[s3 >>> 24] << 24) ^ (invSBOX[(s0 >> 16) & 0xff] << 16) ^ (invSBOX[(s1 >> 8) & 0xff] << 8) ^ invSBOX[s2 & 0xff]) ^ invKeySchedule[ksRow + 3];\n ksRow = ksRow + 3;\n\n // Write\n outputInt32[offset] = swapWord(t0 ^ initVector0);\n outputInt32[offset + 1] = swapWord(t3 ^ initVector1);\n outputInt32[offset + 2] = swapWord(t2 ^ initVector2);\n outputInt32[offset + 3] = swapWord(t1 ^ initVector3);\n\n // reset initVector to last 4 unsigned int\n initVector0 = inputWords0;\n initVector1 = inputWords1;\n initVector2 = inputWords2;\n initVector3 = inputWords3;\n\n offset = offset + 4;\n }\n\n return removePKCS7Padding ? removePadding(outputInt32.buffer) : outputInt32.buffer;\n }\n\n destroy () {\n this.key = undefined;\n this.keySize = undefined;\n this.ksRows = undefined;\n\n this.sBox = undefined;\n this.invSBox = undefined;\n this.subMix = undefined;\n this.invSubMix = undefined;\n this.keySchedule = undefined;\n this.invKeySchedule = undefined;\n\n this.rcon = undefined;\n }\n}\n\nexport default AESDecryptor;\n","import AESCrypto from './aes-crypto';\nimport FastAESKey from './fast-aes-key';\nimport AESDecryptor from './aes-decryptor';\n\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\n\nimport Event from '../events';\n\nimport { getSelfScope } from '../utils/get-self-scope';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n\nclass Decrypter {\n constructor (observer, config, { removePKCS7Padding = true } = {}) {\n this.logEnabled = true;\n this.observer = observer;\n this.config = config;\n this.removePKCS7Padding = removePKCS7Padding;\n // built in decryptor expects PKCS7 padding\n if (removePKCS7Padding) {\n try {\n const browserCrypto = global.crypto;\n if (browserCrypto) {\n this.subtle = browserCrypto.subtle || browserCrypto.webkitSubtle;\n }\n } catch (e) {}\n }\n this.disableWebCrypto = !this.subtle;\n }\n\n isSync () {\n return (this.disableWebCrypto && this.config.enableSoftwareAES);\n }\n\n decrypt (data, key, iv, callback) {\n if (this.disableWebCrypto && this.config.enableSoftwareAES) {\n if (this.logEnabled) {\n logger.log('JS AES decrypt');\n this.logEnabled = false;\n }\n let decryptor = this.decryptor;\n if (!decryptor) {\n this.decryptor = decryptor = new AESDecryptor();\n }\n\n decryptor.expandKey(key);\n callback(decryptor.decrypt(data, 0, iv, this.removePKCS7Padding));\n } else {\n if (this.logEnabled) {\n logger.log('WebCrypto AES decrypt');\n this.logEnabled = false;\n }\n const subtle = this.subtle;\n if (this.key !== key) {\n this.key = key;\n this.fastAesKey = new FastAESKey(subtle, key);\n }\n\n this.fastAesKey.expandKey()\n .then((aesKey) => {\n // decrypt using web crypto\n let crypto = new AESCrypto(subtle, iv);\n crypto.decrypt(data, aesKey)\n .catch((err) => {\n this.onWebCryptoError(err, data, key, iv, callback);\n })\n .then((result) => {\n callback(result);\n });\n })\n .catch((err) => {\n this.onWebCryptoError(err, data, key, iv, callback);\n });\n }\n }\n\n onWebCryptoError (err, data, key, iv, callback) {\n if (this.config.enableSoftwareAES) {\n logger.log('WebCrypto Error, disable WebCrypto API');\n this.disableWebCrypto = true;\n this.logEnabled = true;\n this.decrypt(data, key, iv, callback);\n } else {\n logger.error(`decrypting error : ${err.message}`);\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_DECRYPT_ERROR, fatal: true, reason: err.message });\n }\n }\n\n destroy () {\n let decryptor = this.decryptor;\n if (decryptor) {\n decryptor.destroy();\n this.decryptor = undefined;\n }\n }\n}\n\nexport default Decrypter;\n","/**\n * ADTS parser helper\n * @link https://wiki.multimedia.cx/index.php?title=ADTS\n */\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\nimport Event from '../events';\n\nimport { getSelfScope } from '../utils/get-self-scope';\n\nexport function getAudioConfig (observer, data, offset, audioCodec) {\n let adtsObjectType, // :int\n adtsSampleingIndex, // :int\n adtsExtensionSampleingIndex, // :int\n adtsChanelConfig, // :int\n config,\n userAgent = navigator.userAgent.toLowerCase(),\n manifestCodec = audioCodec,\n adtsSampleingRates = [\n 96000, 88200,\n 64000, 48000,\n 44100, 32000,\n 24000, 22050,\n 16000, 12000,\n 11025, 8000,\n 7350];\n // byte 2\n adtsObjectType = ((data[offset + 2] & 0xC0) >>> 6) + 1;\n adtsSampleingIndex = ((data[offset + 2] & 0x3C) >>> 2);\n if (adtsSampleingIndex > adtsSampleingRates.length - 1) {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: true, reason: `invalid ADTS sampling index:${adtsSampleingIndex}` });\n return;\n }\n adtsChanelConfig = ((data[offset + 2] & 0x01) << 2);\n // byte 3\n adtsChanelConfig |= ((data[offset + 3] & 0xC0) >>> 6);\n logger.log(`manifest codec:${audioCodec},ADTS data:type:${adtsObjectType},sampleingIndex:${adtsSampleingIndex}[${adtsSampleingRates[adtsSampleingIndex]}Hz],channelConfig:${adtsChanelConfig}`);\n // firefox: freq less than 24kHz = AAC SBR (HE-AAC)\n if (/firefox/i.test(userAgent)) {\n if (adtsSampleingIndex >= 6) {\n adtsObjectType = 5;\n config = new Array(4);\n // HE-AAC uses SBR (Spectral Band Replication) , high frequencies are constructed from low frequencies\n // there is a factor 2 between frame sample rate and output sample rate\n // multiply frequency by 2 (see table below, equivalent to substract 3)\n adtsExtensionSampleingIndex = adtsSampleingIndex - 3;\n } else {\n adtsObjectType = 2;\n config = new Array(2);\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n }\n // Android : always use AAC\n } else if (userAgent.indexOf('android') !== -1) {\n adtsObjectType = 2;\n config = new Array(2);\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n } else {\n /* for other browsers (Chrome/Vivaldi/Opera ...)\n always force audio type to be HE-AAC SBR, as some browsers do not support audio codec switch properly (like Chrome ...)\n */\n adtsObjectType = 5;\n config = new Array(4);\n // if (manifest codec is HE-AAC or HE-AACv2) OR (manifest codec not specified AND frequency less than 24kHz)\n if ((audioCodec && ((audioCodec.indexOf('mp4a.40.29') !== -1) ||\n (audioCodec.indexOf('mp4a.40.5') !== -1))) ||\n (!audioCodec && adtsSampleingIndex >= 6)) {\n // HE-AAC uses SBR (Spectral Band Replication) , high frequencies are constructed from low frequencies\n // there is a factor 2 between frame sample rate and output sample rate\n // multiply frequency by 2 (see table below, equivalent to substract 3)\n adtsExtensionSampleingIndex = adtsSampleingIndex - 3;\n } else {\n // if (manifest codec is AAC) AND (frequency less than 24kHz AND nb channel is 1) OR (manifest codec not specified and mono audio)\n // Chrome fails to play back with low frequency AAC LC mono when initialized with HE-AAC. This is not a problem with stereo.\n if (audioCodec && audioCodec.indexOf('mp4a.40.2') !== -1 && ((adtsSampleingIndex >= 6 && adtsChanelConfig === 1) ||\n /vivaldi/i.test(userAgent)) ||\n (!audioCodec && adtsChanelConfig === 1)) {\n adtsObjectType = 2;\n config = new Array(2);\n }\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n }\n }\n /* refer to http://wiki.multimedia.cx/index.php?title=MPEG-4_Audio#Audio_Specific_Config\n ISO 14496-3 (AAC).pdf - Table 1.13 — Syntax of AudioSpecificConfig()\n Audio Profile / Audio Object Type\n 0: Null\n 1: AAC Main\n 2: AAC LC (Low Complexity)\n 3: AAC SSR (Scalable Sample Rate)\n 4: AAC LTP (Long Term Prediction)\n 5: SBR (Spectral Band Replication)\n 6: AAC Scalable\n sampling freq\n 0: 96000 Hz\n 1: 88200 Hz\n 2: 64000 Hz\n 3: 48000 Hz\n 4: 44100 Hz\n 5: 32000 Hz\n 6: 24000 Hz\n 7: 22050 Hz\n 8: 16000 Hz\n 9: 12000 Hz\n 10: 11025 Hz\n 11: 8000 Hz\n 12: 7350 Hz\n 13: Reserved\n 14: Reserved\n 15: frequency is written explictly\n Channel Configurations\n These are the channel configurations:\n 0: Defined in AOT Specifc Config\n 1: 1 channel: front-center\n 2: 2 channels: front-left, front-right\n */\n // audioObjectType = profile => profile, the MPEG-4 Audio Object Type minus 1\n config[0] = adtsObjectType << 3;\n // samplingFrequencyIndex\n config[0] |= (adtsSampleingIndex & 0x0E) >> 1;\n config[1] |= (adtsSampleingIndex & 0x01) << 7;\n // channelConfiguration\n config[1] |= adtsChanelConfig << 3;\n if (adtsObjectType === 5) {\n // adtsExtensionSampleingIndex\n config[1] |= (adtsExtensionSampleingIndex & 0x0E) >> 1;\n config[2] = (adtsExtensionSampleingIndex & 0x01) << 7;\n // adtsObjectType (force to 2, chrome is checking that object type is less than 5 ???\n // https://chromium.googlesource.com/chromium/src.git/+/master/media/formats/mp4/aac.cc\n config[2] |= 2 << 2;\n config[3] = 0;\n }\n return { config: config, samplerate: adtsSampleingRates[adtsSampleingIndex], channelCount: adtsChanelConfig, codec: ('mp4a.40.' + adtsObjectType), manifestCodec: manifestCodec };\n}\n\nexport function isHeaderPattern (data, offset) {\n return data[offset] === 0xff && (data[offset + 1] & 0xf6) === 0xf0;\n}\n\nexport function getHeaderLength (data, offset) {\n return (data[offset + 1] & 0x01 ? 7 : 9);\n}\n\nexport function getFullFrameLength (data, offset) {\n return ((data[offset + 3] & 0x03) << 11) |\n (data[offset + 4] << 3) |\n ((data[offset + 5] & 0xE0) >>> 5);\n}\n\nexport function isHeader (data, offset) {\n // Look for ADTS header | 1111 1111 | 1111 X00X | where X can be either 0 or 1\n // Layer bits (position 14 and 15) in header should be always 0 for ADTS\n // More info https://wiki.multimedia.cx/index.php?title=ADTS\n if (offset + 1 < data.length && isHeaderPattern(data, offset)) {\n return true;\n }\n\n return false;\n}\n\nexport function probe (data, offset) {\n // same as isHeader but we also check that ADTS frame follows last ADTS frame\n // or end of data is reached\n if (isHeader(data, offset)) {\n // ADTS header Length\n let headerLength = getHeaderLength(data, offset);\n // ADTS frame Length\n let frameLength = headerLength;\n if (offset + 5 < data.length) {\n frameLength = getFullFrameLength(data, offset);\n }\n\n let newOffset = offset + frameLength;\n if (newOffset === data.length || (newOffset + 1 < data.length && isHeaderPattern(data, newOffset))) {\n return true;\n }\n }\n return false;\n}\n\nexport function initTrackConfig (track, observer, data, offset, audioCodec) {\n if (!track.samplerate) {\n let config = getAudioConfig(observer, data, offset, audioCodec);\n track.config = config.config;\n track.samplerate = config.samplerate;\n track.channelCount = config.channelCount;\n track.codec = config.codec;\n track.manifestCodec = config.manifestCodec;\n logger.log(`parsed codec:${track.codec},rate:${config.samplerate},nb channel:${config.channelCount}`);\n }\n}\n\nexport function getFrameDuration (samplerate) {\n return 1024 * 90000 / samplerate;\n}\n\nexport function parseFrameHeader (data, offset, pts, frameIndex, frameDuration) {\n let headerLength, frameLength, stamp;\n let length = data.length;\n\n // The protection skip bit tells us if we have 2 bytes of CRC data at the end of the ADTS header\n headerLength = getHeaderLength(data, offset);\n // retrieve frame size\n frameLength = getFullFrameLength(data, offset);\n frameLength -= headerLength;\n\n if ((frameLength > 0) && ((offset + headerLength + frameLength) <= length)) {\n stamp = pts + frameIndex * frameDuration;\n // logger.log(`AAC frame, offset/length/total/pts:${offset+headerLength}/${frameLength}/${data.byteLength}/${(stamp/90).toFixed(0)}`);\n return { headerLength, frameLength, stamp };\n }\n\n return undefined;\n}\n\nexport function appendFrame (track, data, offset, pts, frameIndex) {\n let frameDuration = getFrameDuration(track.samplerate);\n let header = parseFrameHeader(data, offset, pts, frameIndex, frameDuration);\n if (header) {\n let stamp = header.stamp;\n let headerLength = header.headerLength;\n let frameLength = header.frameLength;\n\n // logger.log(`AAC frame, offset/length/total/pts:${offset+headerLength}/${frameLength}/${data.byteLength}/${(stamp/90).toFixed(0)}`);\n let aacSample = {\n unit: data.subarray(offset + headerLength, offset + headerLength + frameLength),\n pts: stamp,\n dts: stamp\n };\n\n track.samples.push(aacSample);\n return { sample: aacSample, length: frameLength + headerLength };\n }\n\n return undefined;\n}\n","/**\n * AAC demuxer\n */\nimport * as ADTS from './adts';\nimport { logger } from '../utils/logger';\nimport ID3 from '../demux/id3';\n\nclass AACDemuxer {\n constructor (observer, remuxer, config) {\n this.observer = observer;\n this.config = config;\n this.remuxer = remuxer;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this._audioTrack = { container: 'audio/adts', type: 'audio', id: 0, sequenceNumber: 0, isAAC: true, samples: [], len: 0, manifestCodec: audioCodec, duration: duration, inputTimeScale: 90000 };\n }\n\n resetTimeStamp () {\n }\n\n static probe (data) {\n if (!data) {\n return false;\n }\n\n // Check for the ADTS sync word\n // Look for ADTS header | 1111 1111 | 1111 X00X | where X can be either 0 or 1\n // Layer bits (position 14 and 15) in header should be always 0 for ADTS\n // More info https://wiki.multimedia.cx/index.php?title=ADTS\n const id3Data = ID3.getID3Data(data, 0) || [];\n let offset = id3Data.length;\n\n for (let length = data.length; offset < length; offset++) {\n if (ADTS.probe(data, offset)) {\n logger.log('ADTS sync word found !');\n return true;\n }\n }\n return false;\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let track = this._audioTrack;\n let id3Data = ID3.getID3Data(data, 0) || [];\n let timestamp = ID3.getTimeStamp(id3Data);\n let pts = Number.isFinite(timestamp) ? timestamp * 90 : timeOffset * 90000;\n let frameIndex = 0;\n let stamp = pts;\n let length = data.length;\n let offset = id3Data.length;\n\n let id3Samples = [{ pts: stamp, dts: stamp, data: id3Data }];\n\n while (offset < length - 1) {\n if (ADTS.isHeader(data, offset) && (offset + 5) < length) {\n ADTS.initTrackConfig(track, this.observer, data, offset, track.manifestCodec);\n let frame = ADTS.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n } else {\n logger.log('Unable to parse AAC frame');\n break;\n }\n } else if (ID3.isHeader(data, offset)) {\n id3Data = ID3.getID3Data(data, offset);\n id3Samples.push({ pts: stamp, dts: stamp, data: id3Data });\n offset += id3Data.length;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n this.remuxer.remux(track,\n { samples: [] },\n { samples: id3Samples, inputTimeScale: 90000 },\n { samples: [] },\n timeOffset,\n contiguous,\n accurateTimeOffset);\n }\n\n destroy () {\n }\n}\n\nexport default AACDemuxer;\n","/**\n * MPEG parser helper\n */\n\nconst MpegAudio = {\n\n BitratesMap: [\n 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448,\n 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384,\n 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320,\n 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256,\n 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160],\n\n SamplingRateMap: [44100, 48000, 32000, 22050, 24000, 16000, 11025, 12000, 8000],\n\n SamplesCoefficients: [\n // MPEG 2.5\n [\n 0, // Reserved\n 72, // Layer3\n 144, // Layer2\n 12 // Layer1\n ],\n // Reserved\n [\n 0, // Reserved\n 0, // Layer3\n 0, // Layer2\n 0 // Layer1\n ],\n // MPEG 2\n [\n 0, // Reserved\n 72, // Layer3\n 144, // Layer2\n 12 // Layer1\n ],\n // MPEG 1\n [\n 0, // Reserved\n 144, // Layer3\n 144, // Layer2\n 12 // Layer1\n ]\n ],\n\n BytesInSlot: [\n 0, // Reserved\n 1, // Layer3\n 1, // Layer2\n 4 // Layer1\n ],\n\n appendFrame: function (track, data, offset, pts, frameIndex) {\n // Using http://www.datavoyage.com/mpgscript/mpeghdr.htm as a reference\n if (offset + 24 > data.length) {\n return undefined;\n }\n\n let header = this.parseHeader(data, offset);\n if (header && offset + header.frameLength <= data.length) {\n let frameDuration = header.samplesPerFrame * 90000 / header.sampleRate;\n let stamp = pts + frameIndex * frameDuration;\n let sample = { unit: data.subarray(offset, offset + header.frameLength), pts: stamp, dts: stamp };\n\n track.config = [];\n track.channelCount = header.channelCount;\n track.samplerate = header.sampleRate;\n track.samples.push(sample);\n\n return { sample, length: header.frameLength };\n }\n\n return undefined;\n },\n\n parseHeader: function (data, offset) {\n let headerB = (data[offset + 1] >> 3) & 3;\n let headerC = (data[offset + 1] >> 1) & 3;\n let headerE = (data[offset + 2] >> 4) & 15;\n let headerF = (data[offset + 2] >> 2) & 3;\n let headerG = (data[offset + 2] >> 1) & 1;\n if (headerB !== 1 && headerE !== 0 && headerE !== 15 && headerF !== 3) {\n let columnInBitrates = headerB === 3 ? (3 - headerC) : (headerC === 3 ? 3 : 4);\n let bitRate = MpegAudio.BitratesMap[columnInBitrates * 14 + headerE - 1] * 1000;\n let columnInSampleRates = headerB === 3 ? 0 : headerB === 2 ? 1 : 2;\n let sampleRate = MpegAudio.SamplingRateMap[columnInSampleRates * 3 + headerF];\n let channelCount = data[offset + 3] >> 6 === 3 ? 1 : 2; // If bits of channel mode are `11` then it is a single channel (Mono)\n let sampleCoefficient = MpegAudio.SamplesCoefficients[headerB][headerC];\n let bytesInSlot = MpegAudio.BytesInSlot[headerC];\n let samplesPerFrame = sampleCoefficient * 8 * bytesInSlot;\n let frameLength = parseInt(sampleCoefficient * bitRate / sampleRate + headerG, 10) * bytesInSlot;\n\n return { sampleRate, channelCount, frameLength, samplesPerFrame };\n }\n\n return undefined;\n },\n\n isHeaderPattern: function (data, offset) {\n return data[offset] === 0xff && (data[offset + 1] & 0xe0) === 0xe0 && (data[offset + 1] & 0x06) !== 0x00;\n },\n\n isHeader: function (data, offset) {\n // Look for MPEG header | 1111 1111 | 111X XYZX | where X can be either 0 or 1 and Y or Z should be 1\n // Layer bits (position 14 and 15) in header should be always different from 0 (Layer I or Layer II or Layer III)\n // More info http://www.mp3-tech.org/programmer/frame_header.html\n if (offset + 1 < data.length && this.isHeaderPattern(data, offset)) {\n return true;\n }\n\n return false;\n },\n\n probe: function (data, offset) {\n // same as isHeader but we also check that MPEG frame follows last MPEG frame\n // or end of data is reached\n if (offset + 1 < data.length && this.isHeaderPattern(data, offset)) {\n // MPEG header Length\n let headerLength = 4;\n // MPEG frame Length\n let header = this.parseHeader(data, offset);\n let frameLength = headerLength;\n if (header && header.frameLength) {\n frameLength = header.frameLength;\n }\n\n let newOffset = offset + frameLength;\n if (newOffset === data.length || (newOffset + 1 < data.length && this.isHeaderPattern(data, newOffset))) {\n return true;\n }\n }\n return false;\n }\n};\n\nexport default MpegAudio;\n","/**\n * Parser for exponential Golomb codes, a variable-bitwidth number encoding scheme used by h264.\n*/\n\nimport { logger } from '../utils/logger';\n\nclass ExpGolomb {\n constructor (data) {\n this.data = data;\n // the number of bytes left to examine in this.data\n this.bytesAvailable = data.byteLength;\n // the current word being examined\n this.word = 0; // :uint\n // the number of bits left to examine in the current word\n this.bitsAvailable = 0; // :uint\n }\n\n // ():void\n loadWord () {\n let\n data = this.data,\n bytesAvailable = this.bytesAvailable,\n position = data.byteLength - bytesAvailable,\n workingBytes = new Uint8Array(4),\n availableBytes = Math.min(4, bytesAvailable);\n if (availableBytes === 0) {\n throw new Error('no bytes available');\n }\n\n workingBytes.set(data.subarray(position, position + availableBytes));\n this.word = new DataView(workingBytes.buffer).getUint32(0);\n // track the amount of this.data that has been processed\n this.bitsAvailable = availableBytes * 8;\n this.bytesAvailable -= availableBytes;\n }\n\n // (count:int):void\n skipBits (count) {\n let skipBytes; // :int\n if (this.bitsAvailable > count) {\n this.word <<= count;\n this.bitsAvailable -= count;\n } else {\n count -= this.bitsAvailable;\n skipBytes = count >> 3;\n count -= (skipBytes >> 3);\n this.bytesAvailable -= skipBytes;\n this.loadWord();\n this.word <<= count;\n this.bitsAvailable -= count;\n }\n }\n\n // (size:int):uint\n readBits (size) {\n let\n bits = Math.min(this.bitsAvailable, size), // :uint\n valu = this.word >>> (32 - bits); // :uint\n if (size > 32) {\n logger.error('Cannot read more than 32 bits at a time');\n }\n\n this.bitsAvailable -= bits;\n if (this.bitsAvailable > 0) {\n this.word <<= bits;\n } else if (this.bytesAvailable > 0) {\n this.loadWord();\n }\n\n bits = size - bits;\n if (bits > 0 && this.bitsAvailable) {\n return valu << bits | this.readBits(bits);\n } else {\n return valu;\n }\n }\n\n // ():uint\n skipLZ () {\n let leadingZeroCount; // :uint\n for (leadingZeroCount = 0; leadingZeroCount < this.bitsAvailable; ++leadingZeroCount) {\n if ((this.word & (0x80000000 >>> leadingZeroCount)) !== 0) {\n // the first bit of working word is 1\n this.word <<= leadingZeroCount;\n this.bitsAvailable -= leadingZeroCount;\n return leadingZeroCount;\n }\n }\n // we exhausted word and still have not found a 1\n this.loadWord();\n return leadingZeroCount + this.skipLZ();\n }\n\n // ():void\n skipUEG () {\n this.skipBits(1 + this.skipLZ());\n }\n\n // ():void\n skipEG () {\n this.skipBits(1 + this.skipLZ());\n }\n\n // ():uint\n readUEG () {\n let clz = this.skipLZ(); // :uint\n return this.readBits(clz + 1) - 1;\n }\n\n // ():int\n readEG () {\n let valu = this.readUEG(); // :int\n if (0x01 & valu) {\n // the number is odd if the low order bit is set\n return (1 + valu) >>> 1; // add 1 to make it even, and divide by 2\n } else {\n return -1 * (valu >>> 1); // divide by two then make it negative\n }\n }\n\n // Some convenience functions\n // :Boolean\n readBoolean () {\n return this.readBits(1) === 1;\n }\n\n // ():int\n readUByte () {\n return this.readBits(8);\n }\n\n // ():int\n readUShort () {\n return this.readBits(16);\n }\n // ():int\n readUInt () {\n return this.readBits(32);\n }\n\n /**\n * Advance the ExpGolomb decoder past a scaling list. The scaling\n * list is optionally transmitted as part of a sequence parameter\n * set and is not relevant to transmuxing.\n * @param count {number} the number of entries in this scaling list\n * @see Recommendation ITU-T H.264, Section 7.3.2.1.1.1\n */\n skipScalingList (count) {\n let\n lastScale = 8,\n nextScale = 8,\n j,\n deltaScale;\n for (j = 0; j < count; j++) {\n if (nextScale !== 0) {\n deltaScale = this.readEG();\n nextScale = (lastScale + deltaScale + 256) % 256;\n }\n lastScale = (nextScale === 0) ? lastScale : nextScale;\n }\n }\n\n /**\n * Read a sequence parameter set and return some interesting video\n * properties. A sequence parameter set is the H264 metadata that\n * describes the properties of upcoming video frames.\n * @param data {Uint8Array} the bytes of a sequence parameter set\n * @return {object} an object with configuration parsed from the\n * sequence parameter set, including the dimensions of the\n * associated video frames.\n */\n readSPS () {\n let\n frameCropLeftOffset = 0,\n frameCropRightOffset = 0,\n frameCropTopOffset = 0,\n frameCropBottomOffset = 0,\n profileIdc, profileCompat, levelIdc,\n numRefFramesInPicOrderCntCycle, picWidthInMbsMinus1,\n picHeightInMapUnitsMinus1,\n frameMbsOnlyFlag,\n scalingListCount,\n i,\n readUByte = this.readUByte.bind(this),\n readBits = this.readBits.bind(this),\n readUEG = this.readUEG.bind(this),\n readBoolean = this.readBoolean.bind(this),\n skipBits = this.skipBits.bind(this),\n skipEG = this.skipEG.bind(this),\n skipUEG = this.skipUEG.bind(this),\n skipScalingList = this.skipScalingList.bind(this);\n\n readUByte();\n profileIdc = readUByte(); // profile_idc\n profileCompat = readBits(5); // constraint_set[0-4]_flag, u(5)\n skipBits(3); // reserved_zero_3bits u(3),\n levelIdc = readUByte(); // level_idc u(8)\n skipUEG(); // seq_parameter_set_id\n // some profiles have more optional data we don't need\n if (profileIdc === 100 ||\n profileIdc === 110 ||\n profileIdc === 122 ||\n profileIdc === 244 ||\n profileIdc === 44 ||\n profileIdc === 83 ||\n profileIdc === 86 ||\n profileIdc === 118 ||\n profileIdc === 128) {\n let chromaFormatIdc = readUEG();\n if (chromaFormatIdc === 3) {\n skipBits(1);\n } // separate_colour_plane_flag\n\n skipUEG(); // bit_depth_luma_minus8\n skipUEG(); // bit_depth_chroma_minus8\n skipBits(1); // qpprime_y_zero_transform_bypass_flag\n if (readBoolean()) { // seq_scaling_matrix_present_flag\n scalingListCount = (chromaFormatIdc !== 3) ? 8 : 12;\n for (i = 0; i < scalingListCount; i++) {\n if (readBoolean()) { // seq_scaling_list_present_flag[ i ]\n if (i < 6) {\n skipScalingList(16);\n } else {\n skipScalingList(64);\n }\n }\n }\n }\n }\n skipUEG(); // log2_max_frame_num_minus4\n let picOrderCntType = readUEG();\n if (picOrderCntType === 0) {\n readUEG(); // log2_max_pic_order_cnt_lsb_minus4\n } else if (picOrderCntType === 1) {\n skipBits(1); // delta_pic_order_always_zero_flag\n skipEG(); // offset_for_non_ref_pic\n skipEG(); // offset_for_top_to_bottom_field\n numRefFramesInPicOrderCntCycle = readUEG();\n for (i = 0; i < numRefFramesInPicOrderCntCycle; i++) {\n skipEG();\n } // offset_for_ref_frame[ i ]\n }\n skipUEG(); // max_num_ref_frames\n skipBits(1); // gaps_in_frame_num_value_allowed_flag\n picWidthInMbsMinus1 = readUEG();\n picHeightInMapUnitsMinus1 = readUEG();\n frameMbsOnlyFlag = readBits(1);\n if (frameMbsOnlyFlag === 0) {\n skipBits(1);\n } // mb_adaptive_frame_field_flag\n\n skipBits(1); // direct_8x8_inference_flag\n if (readBoolean()) { // frame_cropping_flag\n frameCropLeftOffset = readUEG();\n frameCropRightOffset = readUEG();\n frameCropTopOffset = readUEG();\n frameCropBottomOffset = readUEG();\n }\n let pixelRatio = [1, 1];\n if (readBoolean()) {\n // vui_parameters_present_flag\n if (readBoolean()) {\n // aspect_ratio_info_present_flag\n const aspectRatioIdc = readUByte();\n switch (aspectRatioIdc) {\n case 1: pixelRatio = [1, 1]; break;\n case 2: pixelRatio = [12, 11]; break;\n case 3: pixelRatio = [10, 11]; break;\n case 4: pixelRatio = [16, 11]; break;\n case 5: pixelRatio = [40, 33]; break;\n case 6: pixelRatio = [24, 11]; break;\n case 7: pixelRatio = [20, 11]; break;\n case 8: pixelRatio = [32, 11]; break;\n case 9: pixelRatio = [80, 33]; break;\n case 10: pixelRatio = [18, 11]; break;\n case 11: pixelRatio = [15, 11]; break;\n case 12: pixelRatio = [64, 33]; break;\n case 13: pixelRatio = [160, 99]; break;\n case 14: pixelRatio = [4, 3]; break;\n case 15: pixelRatio = [3, 2]; break;\n case 16: pixelRatio = [2, 1]; break;\n case 255: {\n pixelRatio = [readUByte() << 8 | readUByte(), readUByte() << 8 | readUByte()];\n break;\n }\n }\n }\n }\n return {\n width: Math.ceil((((picWidthInMbsMinus1 + 1) * 16) - frameCropLeftOffset * 2 - frameCropRightOffset * 2)),\n height: ((2 - frameMbsOnlyFlag) * (picHeightInMapUnitsMinus1 + 1) * 16) - ((frameMbsOnlyFlag ? 2 : 4) * (frameCropTopOffset + frameCropBottomOffset)),\n pixelRatio: pixelRatio\n };\n }\n\n readSliceType () {\n // skip NALu type\n this.readUByte();\n // discard first_mb_in_slice\n this.readUEG();\n // return slice_type\n return this.readUEG();\n }\n}\n\nexport default ExpGolomb;\n","/**\n * SAMPLE-AES decrypter\n*/\n\nimport Decrypter from '../crypt/decrypter';\n\nclass SampleAesDecrypter {\n constructor (observer, config, decryptdata, discardEPB) {\n this.decryptdata = decryptdata;\n this.discardEPB = discardEPB;\n this.decrypter = new Decrypter(observer, config, { removePKCS7Padding: false });\n }\n\n decryptBuffer (encryptedData, callback) {\n this.decrypter.decrypt(encryptedData, this.decryptdata.key.buffer, this.decryptdata.iv.buffer, callback);\n }\n\n // AAC - encrypt all full 16 bytes blocks starting from offset 16\n decryptAacSample (samples, sampleIndex, callback, sync) {\n let curUnit = samples[sampleIndex].unit;\n let encryptedData = curUnit.subarray(16, curUnit.length - curUnit.length % 16);\n let encryptedBuffer = encryptedData.buffer.slice(\n encryptedData.byteOffset,\n encryptedData.byteOffset + encryptedData.length);\n\n let localthis = this;\n this.decryptBuffer(encryptedBuffer, function (decryptedData) {\n decryptedData = new Uint8Array(decryptedData);\n curUnit.set(decryptedData, 16);\n\n if (!sync) {\n localthis.decryptAacSamples(samples, sampleIndex + 1, callback);\n }\n });\n }\n\n decryptAacSamples (samples, sampleIndex, callback) {\n for (;; sampleIndex++) {\n if (sampleIndex >= samples.length) {\n callback();\n return;\n }\n\n if (samples[sampleIndex].unit.length < 32) {\n continue;\n }\n\n let sync = this.decrypter.isSync();\n\n this.decryptAacSample(samples, sampleIndex, callback, sync);\n\n if (!sync) {\n return;\n }\n }\n }\n\n // AVC - encrypt one 16 bytes block out of ten, starting from offset 32\n getAvcEncryptedData (decodedData) {\n let encryptedDataLen = Math.floor((decodedData.length - 48) / 160) * 16 + 16;\n let encryptedData = new Int8Array(encryptedDataLen);\n let outputPos = 0;\n for (let inputPos = 32; inputPos <= decodedData.length - 16; inputPos += 160, outputPos += 16) {\n encryptedData.set(decodedData.subarray(inputPos, inputPos + 16), outputPos);\n }\n\n return encryptedData;\n }\n\n getAvcDecryptedUnit (decodedData, decryptedData) {\n decryptedData = new Uint8Array(decryptedData);\n let inputPos = 0;\n for (let outputPos = 32; outputPos <= decodedData.length - 16; outputPos += 160, inputPos += 16) {\n decodedData.set(decryptedData.subarray(inputPos, inputPos + 16), outputPos);\n }\n\n return decodedData;\n }\n\n decryptAvcSample (samples, sampleIndex, unitIndex, callback, curUnit, sync) {\n let decodedData = this.discardEPB(curUnit.data);\n let encryptedData = this.getAvcEncryptedData(decodedData);\n let localthis = this;\n\n this.decryptBuffer(encryptedData.buffer, function (decryptedData) {\n curUnit.data = localthis.getAvcDecryptedUnit(decodedData, decryptedData);\n\n if (!sync) {\n localthis.decryptAvcSamples(samples, sampleIndex, unitIndex + 1, callback);\n }\n });\n }\n\n decryptAvcSamples (samples, sampleIndex, unitIndex, callback) {\n for (;; sampleIndex++, unitIndex = 0) {\n if (sampleIndex >= samples.length) {\n callback();\n return;\n }\n\n let curUnits = samples[sampleIndex].units;\n for (;; unitIndex++) {\n if (unitIndex >= curUnits.length) {\n break;\n }\n\n let curUnit = curUnits[unitIndex];\n if (curUnit.length <= 48 || (curUnit.type !== 1 && curUnit.type !== 5)) {\n continue;\n }\n\n let sync = this.decrypter.isSync();\n\n this.decryptAvcSample(samples, sampleIndex, unitIndex, callback, curUnit, sync);\n\n if (!sync) {\n return;\n }\n }\n }\n }\n}\n\nexport default SampleAesDecrypter;\n","/**\n * highly optimized TS demuxer:\n * parse PAT, PMT\n * extract PES packet from audio and video PIDs\n * extract AVC/H264 NAL units and AAC/ADTS samples from PES packet\n * trigger the remuxer upon parsing completion\n * it also tries to workaround as best as it can audio codec switch (HE-AAC to AAC and vice versa), without having to restart the MediaSource.\n * it also controls the remuxing process :\n * upon discontinuity or level switch detection, it will also notifies the remuxer so that it can reset its state.\n*/\n\nimport * as ADTS from './adts';\nimport MpegAudio from './mpegaudio';\nimport Event from '../events';\nimport ExpGolomb from './exp-golomb';\nimport SampleAesDecrypter from './sample-aes';\n// import Hex from '../utils/hex';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { utf8ArrayToStr } from './id3';\n\n// We are using fixed track IDs for driving the MP4 remuxer\n// instead of following the TS PIDs.\n// There is no reason not to do this and some browsers/SourceBuffer-demuxers\n// may not like if there are TrackID \"switches\"\n// See https://github.com/video-dev/hls.js/issues/1331\n// Here we are mapping our internal track types to constant MP4 track IDs\n// With MSE currently one can only have one track of each, and we are muxing\n// whatever video/audio rendition in them.\nconst RemuxerTrackIdConfig = {\n video: 1,\n audio: 2,\n id3: 3,\n text: 4\n};\n\nclass TSDemuxer {\n constructor (observer, remuxer, config, typeSupported) {\n this.observer = observer;\n this.config = config;\n this.typeSupported = typeSupported;\n this.remuxer = remuxer;\n this.sampleAes = null;\n }\n\n setDecryptData (decryptdata) {\n if ((decryptdata != null) && (decryptdata.key != null) && (decryptdata.method === 'SAMPLE-AES')) {\n this.sampleAes = new SampleAesDecrypter(this.observer, this.config, decryptdata, this.discardEPB);\n } else {\n this.sampleAes = null;\n }\n }\n\n static probe (data) {\n const syncOffset = TSDemuxer._syncOffset(data);\n if (syncOffset < 0) {\n return false;\n } else {\n if (syncOffset) {\n logger.warn(`MPEG2-TS detected but first sync word found @ offset ${syncOffset}, junk ahead ?`);\n }\n\n return true;\n }\n }\n\n static _syncOffset (data) {\n // scan 1000 first bytes\n const scanwindow = Math.min(1000, data.length - 3 * 188);\n let i = 0;\n while (i < scanwindow) {\n // a TS fragment should contain at least 3 TS packets, a PAT, a PMT, and one PID, each starting with 0x47\n if (data[i] === 0x47 && data[i + 188] === 0x47 && data[i + 2 * 188] === 0x47) {\n return i;\n } else {\n i++;\n }\n }\n return -1;\n }\n\n /**\n * Creates a track model internal to demuxer used to drive remuxing input\n *\n * @param {string} type 'audio' | 'video' | 'id3' | 'text'\n * @param {number} duration\n * @return {object} TSDemuxer's internal track model\n */\n static createTrack (type, duration) {\n return {\n container: type === 'video' || type === 'audio' ? 'video/mp2t' : undefined,\n type,\n id: RemuxerTrackIdConfig[type],\n pid: -1,\n inputTimeScale: 90000,\n sequenceNumber: 0,\n samples: [],\n dropped: type === 'video' ? 0 : undefined,\n isAAC: type === 'audio' ? true : undefined,\n duration: type === 'audio' ? duration : undefined\n };\n }\n\n /**\n * Initializes a new init segment on the demuxer/remuxer interface. Needed for discontinuities/track-switches (or at stream start)\n * Resets all internal track instances of the demuxer.\n *\n * @override Implements generic demuxing/remuxing interface (see DemuxerInline)\n * @param {object} initSegment\n * @param {string} audioCodec\n * @param {string} videoCodec\n * @param {number} duration (in TS timescale = 90kHz)\n */\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this.pmtParsed = false;\n this._pmtId = -1;\n\n this._avcTrack = TSDemuxer.createTrack('video', duration);\n this._audioTrack = TSDemuxer.createTrack('audio', duration);\n this._id3Track = TSDemuxer.createTrack('id3', duration);\n this._txtTrack = TSDemuxer.createTrack('text', duration);\n\n // flush any partial content\n this.aacOverFlow = null;\n this.aacLastPTS = null;\n this.avcSample = null;\n this.audioCodec = audioCodec;\n this.videoCodec = videoCodec;\n this._duration = duration;\n }\n\n /**\n *\n * @override\n */\n resetTimeStamp () {}\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let start, len = data.length, stt, pid, atf, offset, pes,\n unknownPIDs = false;\n this.contiguous = contiguous;\n let pmtParsed = this.pmtParsed,\n avcTrack = this._avcTrack,\n audioTrack = this._audioTrack,\n id3Track = this._id3Track,\n avcId = avcTrack.pid,\n audioId = audioTrack.pid,\n id3Id = id3Track.pid,\n pmtId = this._pmtId,\n avcData = avcTrack.pesData,\n audioData = audioTrack.pesData,\n id3Data = id3Track.pesData,\n parsePAT = this._parsePAT,\n parsePMT = this._parsePMT,\n parsePES = this._parsePES,\n parseAVCPES = this._parseAVCPES.bind(this),\n parseAACPES = this._parseAACPES.bind(this),\n parseMPEGPES = this._parseMPEGPES.bind(this),\n parseID3PES = this._parseID3PES.bind(this);\n\n const syncOffset = TSDemuxer._syncOffset(data);\n\n // don't parse last TS packet if incomplete\n len -= (len + syncOffset) % 188;\n\n // loop through TS packets\n for (start = syncOffset; start < len; start += 188) {\n if (data[start] === 0x47) {\n stt = !!(data[start + 1] & 0x40);\n // pid is a 13-bit field starting at the last bit of TS[1]\n pid = ((data[start + 1] & 0x1f) << 8) + data[start + 2];\n atf = (data[start + 3] & 0x30) >> 4;\n // if an adaption field is present, its length is specified by the fifth byte of the TS packet header.\n if (atf > 1) {\n offset = start + 5 + data[start + 4];\n // continue if there is only adaptation field\n if (offset === (start + 188)) {\n continue;\n }\n } else {\n offset = start + 4;\n }\n switch (pid) {\n case avcId:\n if (stt) {\n if (avcData && (pes = parsePES(avcData))) {\n parseAVCPES(pes, false);\n }\n\n avcData = { data: [], size: 0 };\n }\n if (avcData) {\n avcData.data.push(data.subarray(offset, start + 188));\n avcData.size += start + 188 - offset;\n }\n break;\n case audioId:\n if (stt) {\n if (audioData && (pes = parsePES(audioData))) {\n if (audioTrack.isAAC) {\n parseAACPES(pes);\n } else {\n parseMPEGPES(pes);\n }\n }\n audioData = { data: [], size: 0 };\n }\n if (audioData) {\n audioData.data.push(data.subarray(offset, start + 188));\n audioData.size += start + 188 - offset;\n }\n break;\n case id3Id:\n if (stt) {\n if (id3Data && (pes = parsePES(id3Data))) {\n parseID3PES(pes);\n }\n\n id3Data = { data: [], size: 0 };\n }\n if (id3Data) {\n id3Data.data.push(data.subarray(offset, start + 188));\n id3Data.size += start + 188 - offset;\n }\n break;\n case 0:\n if (stt) {\n offset += data[offset] + 1;\n }\n\n pmtId = this._pmtId = parsePAT(data, offset);\n break;\n case pmtId:\n if (stt) {\n offset += data[offset] + 1;\n }\n\n let parsedPIDs = parsePMT(data, offset, this.typeSupported.mpeg === true || this.typeSupported.mp3 === true, this.sampleAes != null);\n\n // only update track id if track PID found while parsing PMT\n // this is to avoid resetting the PID to -1 in case\n // track PID transiently disappears from the stream\n // this could happen in case of transient missing audio samples for example\n // NOTE this is only the PID of the track as found in TS,\n // but we are not using this for MP4 track IDs.\n avcId = parsedPIDs.avc;\n if (avcId > 0) {\n avcTrack.pid = avcId;\n }\n\n audioId = parsedPIDs.audio;\n if (audioId > 0) {\n audioTrack.pid = audioId;\n audioTrack.isAAC = parsedPIDs.isAAC;\n }\n id3Id = parsedPIDs.id3;\n if (id3Id > 0) {\n id3Track.pid = id3Id;\n }\n\n if (unknownPIDs && !pmtParsed) {\n logger.log('reparse from beginning');\n unknownPIDs = false;\n // we set it to -188, the += 188 in the for loop will reset start to 0\n start = syncOffset - 188;\n }\n pmtParsed = this.pmtParsed = true;\n break;\n case 17:\n case 0x1fff:\n break;\n default:\n unknownPIDs = true;\n break;\n }\n } else {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: false, reason: 'TS packet did not start with 0x47' });\n }\n }\n // try to parse last PES packets\n if (avcData && (pes = parsePES(avcData))) {\n parseAVCPES(pes, true);\n avcTrack.pesData = null;\n } else {\n // either avcData null or PES truncated, keep it for next frag parsing\n avcTrack.pesData = avcData;\n }\n\n if (audioData && (pes = parsePES(audioData))) {\n if (audioTrack.isAAC) {\n parseAACPES(pes);\n } else {\n parseMPEGPES(pes);\n }\n\n audioTrack.pesData = null;\n } else {\n if (audioData && audioData.size) {\n logger.log('last AAC PES packet truncated,might overlap between fragments');\n }\n\n // either audioData null or PES truncated, keep it for next frag parsing\n audioTrack.pesData = audioData;\n }\n\n if (id3Data && (pes = parsePES(id3Data))) {\n parseID3PES(pes);\n id3Track.pesData = null;\n } else {\n // either id3Data null or PES truncated, keep it for next frag parsing\n id3Track.pesData = id3Data;\n }\n\n if (this.sampleAes == null) {\n this.remuxer.remux(audioTrack, avcTrack, id3Track, this._txtTrack, timeOffset, contiguous, accurateTimeOffset);\n } else {\n this.decryptAndRemux(audioTrack, avcTrack, id3Track, this._txtTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n decryptAndRemux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n if (audioTrack.samples && audioTrack.isAAC) {\n let localthis = this;\n this.sampleAes.decryptAacSamples(audioTrack.samples, 0, function () {\n localthis.decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n });\n } else {\n this.decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n decryptAndRemuxAvc (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n if (videoTrack.samples) {\n let localthis = this;\n this.sampleAes.decryptAvcSamples(videoTrack.samples, 0, 0, function () {\n localthis.remuxer.remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n });\n } else {\n this.remuxer.remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n destroy () {\n this._initPTS = this._initDTS = undefined;\n this._duration = 0;\n }\n\n _parsePAT (data, offset) {\n // skip the PSI header and parse the first PMT entry\n return (data[offset + 10] & 0x1F) << 8 | data[offset + 11];\n // logger.log('PMT PID:' + this._pmtId);\n }\n\n _parsePMT (data, offset, mpegSupported, isSampleAes) {\n let sectionLength, tableEnd, programInfoLength, pid, result = { audio: -1, avc: -1, id3: -1, isAAC: true };\n sectionLength = (data[offset + 1] & 0x0f) << 8 | data[offset + 2];\n tableEnd = offset + 3 + sectionLength - 4;\n // to determine where the table is, we have to figure out how\n // long the program info descriptors are\n programInfoLength = (data[offset + 10] & 0x0f) << 8 | data[offset + 11];\n // advance the offset to the first entry in the mapping table\n offset += 12 + programInfoLength;\n while (offset < tableEnd) {\n pid = (data[offset + 1] & 0x1F) << 8 | data[offset + 2];\n switch (data[offset]) {\n case 0xcf: // SAMPLE-AES AAC\n if (!isSampleAes) {\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n /* falls through */\n\n // ISO/IEC 13818-7 ADTS AAC (MPEG-2 lower bit-rate audio)\n case 0x0f:\n // logger.log('AAC PID:' + pid);\n if (result.audio === -1) {\n result.audio = pid;\n }\n\n break;\n\n // Packetized metadata (ID3)\n case 0x15:\n // logger.log('ID3 PID:' + pid);\n if (result.id3 === -1) {\n result.id3 = pid;\n }\n\n break;\n\n case 0xdb: // SAMPLE-AES AVC\n if (!isSampleAes) {\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n /* falls through */\n\n // ITU-T Rec. H.264 and ISO/IEC 14496-10 (lower bit-rate video)\n case 0x1b:\n // logger.log('AVC PID:' + pid);\n if (result.avc === -1) {\n result.avc = pid;\n }\n\n break;\n\n // ISO/IEC 11172-3 (MPEG-1 audio)\n // or ISO/IEC 13818-3 (MPEG-2 halved sample rate audio)\n case 0x03:\n case 0x04:\n // logger.log('MPEG PID:' + pid);\n if (!mpegSupported) {\n logger.log('MPEG audio found, not supported in this browser for now');\n } else if (result.audio === -1) {\n result.audio = pid;\n result.isAAC = false;\n }\n break;\n\n case 0x24:\n logger.warn('HEVC stream type found, not supported for now');\n break;\n\n default:\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n // move to the next table entry\n // skip past the elementary stream descriptors, if present\n offset += ((data[offset + 3] & 0x0F) << 8 | data[offset + 4]) + 5;\n }\n return result;\n }\n\n _parsePES (stream) {\n let i = 0, frag, pesFlags, pesPrefix, pesLen, pesHdrLen, pesData, pesPts, pesDts, payloadStartOffset, data = stream.data;\n // safety check\n if (!stream || stream.size === 0) {\n return null;\n }\n\n // we might need up to 19 bytes to read PES header\n // if first chunk of data is less than 19 bytes, let's merge it with following ones until we get 19 bytes\n // usually only one merge is needed (and this is rare ...)\n while (data[0].length < 19 && data.length > 1) {\n let newData = new Uint8Array(data[0].length + data[1].length);\n newData.set(data[0]);\n newData.set(data[1], data[0].length);\n data[0] = newData;\n data.splice(1, 1);\n }\n // retrieve PTS/DTS from first fragment\n frag = data[0];\n pesPrefix = (frag[0] << 16) + (frag[1] << 8) + frag[2];\n if (pesPrefix === 1) {\n pesLen = (frag[4] << 8) + frag[5];\n // if PES parsed length is not zero and greater than total received length, stop parsing. PES might be truncated\n // minus 6 : PES header size\n if (pesLen && pesLen > stream.size - 6) {\n return null;\n }\n\n pesFlags = frag[7];\n if (pesFlags & 0xC0) {\n /* PES header described here : http://dvd.sourceforge.net/dvdinfo/pes-hdr.html\n as PTS / DTS is 33 bit we cannot use bitwise operator in JS,\n as Bitwise operators treat their operands as a sequence of 32 bits */\n pesPts = (frag[9] & 0x0E) * 536870912 +// 1 << 29\n (frag[10] & 0xFF) * 4194304 +// 1 << 22\n (frag[11] & 0xFE) * 16384 +// 1 << 14\n (frag[12] & 0xFF) * 128 +// 1 << 7\n (frag[13] & 0xFE) / 2;\n // check if greater than 2^32 -1\n if (pesPts > 4294967295) {\n // decrement 2^33\n pesPts -= 8589934592;\n }\n if (pesFlags & 0x40) {\n pesDts = (frag[14] & 0x0E) * 536870912 +// 1 << 29\n (frag[15] & 0xFF) * 4194304 +// 1 << 22\n (frag[16] & 0xFE) * 16384 +// 1 << 14\n (frag[17] & 0xFF) * 128 +// 1 << 7\n (frag[18] & 0xFE) / 2;\n // check if greater than 2^32 -1\n if (pesDts > 4294967295) {\n // decrement 2^33\n pesDts -= 8589934592;\n }\n if (pesPts - pesDts > 60 * 90000) {\n logger.warn(`${Math.round((pesPts - pesDts) / 90000)}s delta between PTS and DTS, align them`);\n pesPts = pesDts;\n }\n } else {\n pesDts = pesPts;\n }\n }\n pesHdrLen = frag[8];\n // 9 bytes : 6 bytes for PES header + 3 bytes for PES extension\n payloadStartOffset = pesHdrLen + 9;\n\n if (stream.size <= payloadStartOffset) {\n return null;\n }\n stream.size -= payloadStartOffset;\n // reassemble PES packet\n pesData = new Uint8Array(stream.size);\n for (let j = 0, dataLen = data.length; j < dataLen; j++) {\n frag = data[j];\n let len = frag.byteLength;\n if (payloadStartOffset) {\n if (payloadStartOffset > len) {\n // trim full frag if PES header bigger than frag\n payloadStartOffset -= len;\n continue;\n } else {\n // trim partial frag if PES header smaller than frag\n frag = frag.subarray(payloadStartOffset);\n len -= payloadStartOffset;\n payloadStartOffset = 0;\n }\n }\n pesData.set(frag, i);\n i += len;\n }\n if (pesLen) {\n // payload size : remove PES header + PES extension\n pesLen -= pesHdrLen + 3;\n }\n return { data: pesData, pts: pesPts, dts: pesDts, len: pesLen };\n } else {\n return null;\n }\n }\n\n pushAccesUnit (avcSample, avcTrack) {\n if (avcSample.units.length && avcSample.frame) {\n const samples = avcTrack.samples;\n const nbSamples = samples.length;\n // if sample does not have PTS/DTS, patch with last sample PTS/DTS\n if (isNaN(avcSample.pts)) {\n if (nbSamples) {\n const lastSample = samples[nbSamples - 1];\n avcSample.pts = lastSample.pts;\n avcSample.dts = lastSample.dts;\n } else {\n // dropping samples, no timestamp found\n avcTrack.dropped++;\n return;\n }\n }\n // only push AVC sample if starting with a keyframe is not mandatory OR\n // if keyframe already found in this fragment OR\n // keyframe found in last fragment (track.sps) AND\n // samples already appended (we already found a keyframe in this fragment) OR fragment is contiguous\n if (!this.config.forceKeyFrameOnDiscontinuity ||\n avcSample.key === true ||\n (avcTrack.sps && (nbSamples || this.contiguous))) {\n avcSample.id = nbSamples;\n samples.push(avcSample);\n } else {\n // dropped samples, track it\n avcTrack.dropped++;\n }\n }\n if (avcSample.debug.length) {\n logger.log(avcSample.pts + '/' + avcSample.dts + ':' + avcSample.debug);\n }\n }\n\n _parseAVCPES (pes, last) {\n // logger.log('parse new PES');\n let track = this._avcTrack,\n units = this._parseAVCNALu(pes.data),\n debug = false,\n expGolombDecoder,\n avcSample = this.avcSample,\n push,\n spsfound = false,\n i,\n pushAccesUnit = this.pushAccesUnit.bind(this),\n createAVCSample = function (key, pts, dts, debug) {\n return { key: key, pts: pts, dts: dts, units: [], debug: debug };\n };\n // free pes.data to save up some memory\n pes.data = null;\n\n // if new NAL units found and last sample still there, let's push ...\n // this helps parsing streams with missing AUD (only do this if AUD never found)\n if (avcSample && units.length && !track.audFound) {\n pushAccesUnit(avcSample, track);\n avcSample = this.avcSample = createAVCSample(false, pes.pts, pes.dts, '');\n }\n\n units.forEach(unit => {\n switch (unit.type) {\n // NDR\n case 1:\n push = true;\n if (!avcSample) {\n avcSample = this.avcSample = createAVCSample(true, pes.pts, pes.dts, '');\n }\n\n if (debug) {\n avcSample.debug += 'NDR ';\n }\n\n avcSample.frame = true;\n let data = unit.data;\n // only check slice type to detect KF in case SPS found in same packet (any keyframe is preceded by SPS ...)\n if (spsfound && data.length > 4) {\n // retrieve slice type by parsing beginning of NAL unit (follow H264 spec, slice_header definition) to detect keyframe embedded in NDR\n let sliceType = new ExpGolomb(data).readSliceType();\n // 2 : I slice, 4 : SI slice, 7 : I slice, 9: SI slice\n // SI slice : A slice that is coded using intra prediction only and using quantisation of the prediction samples.\n // An SI slice can be coded such that its decoded samples can be constructed identically to an SP slice.\n // I slice: A slice that is not an SI slice that is decoded using intra prediction only.\n // if (sliceType === 2 || sliceType === 7) {\n if (sliceType === 2 || sliceType === 4 || sliceType === 7 || sliceType === 9) {\n avcSample.key = true;\n }\n }\n break;\n // IDR\n case 5:\n push = true;\n // handle PES not starting with AUD\n if (!avcSample) {\n avcSample = this.avcSample = createAVCSample(true, pes.pts, pes.dts, '');\n }\n\n if (debug) {\n avcSample.debug += 'IDR ';\n }\n\n avcSample.key = true;\n avcSample.frame = true;\n break;\n // SEI\n case 6:\n push = true;\n if (debug && avcSample) {\n avcSample.debug += 'SEI ';\n }\n\n expGolombDecoder = new ExpGolomb(this.discardEPB(unit.data));\n\n // skip frameType\n expGolombDecoder.readUByte();\n\n var payloadType = 0;\n var payloadSize = 0;\n var endOfCaptions = false;\n var b = 0;\n\n while (!endOfCaptions && expGolombDecoder.bytesAvailable > 1) {\n payloadType = 0;\n do {\n b = expGolombDecoder.readUByte();\n payloadType += b;\n } while (b === 0xFF);\n\n // Parse payload size.\n payloadSize = 0;\n do {\n b = expGolombDecoder.readUByte();\n payloadSize += b;\n } while (b === 0xFF);\n\n // TODO: there can be more than one payload in an SEI packet...\n // TODO: need to read type and size in a while loop to get them all\n if (payloadType === 4 && expGolombDecoder.bytesAvailable !== 0) {\n endOfCaptions = true;\n\n let countryCode = expGolombDecoder.readUByte();\n\n if (countryCode === 181) {\n let providerCode = expGolombDecoder.readUShort();\n\n if (providerCode === 49) {\n let userStructure = expGolombDecoder.readUInt();\n\n if (userStructure === 0x47413934) {\n let userDataType = expGolombDecoder.readUByte();\n\n // Raw CEA-608 bytes wrapped in CEA-708 packet\n if (userDataType === 3) {\n let firstByte = expGolombDecoder.readUByte();\n let secondByte = expGolombDecoder.readUByte();\n\n let totalCCs = 31 & firstByte;\n let byteArray = [firstByte, secondByte];\n\n for (i = 0; i < totalCCs; i++) {\n // 3 bytes per CC\n byteArray.push(expGolombDecoder.readUByte());\n byteArray.push(expGolombDecoder.readUByte());\n byteArray.push(expGolombDecoder.readUByte());\n }\n\n this._insertSampleInOrder(this._txtTrack.samples, { type: 3, pts: pes.pts, bytes: byteArray });\n }\n }\n }\n }\n } else if (payloadType === 5 && expGolombDecoder.bytesAvailable !== 0) {\n endOfCaptions = true;\n\n if (payloadSize > 16) {\n const uuidStrArray = [];\n for (i = 0; i < 16; i++) {\n uuidStrArray.push(expGolombDecoder.readUByte().toString(16));\n\n if (i === 3 || i === 5 || i === 7 || i === 9) {\n uuidStrArray.push('-');\n }\n }\n const length = payloadSize - 16;\n const userDataPayloadBytes = new Uint8Array(length);\n for (i = 0; i < length; i++) {\n userDataPayloadBytes[i] = expGolombDecoder.readUByte();\n }\n\n this._insertSampleInOrder(this._txtTrack.samples, {\n pts: pes.pts,\n payloadType: payloadType,\n uuid: uuidStrArray.join(''),\n userDataBytes: userDataPayloadBytes,\n userData: utf8ArrayToStr(userDataPayloadBytes.buffer)\n });\n }\n } else if (payloadSize < expGolombDecoder.bytesAvailable) {\n for (i = 0; i < payloadSize; i++) {\n expGolombDecoder.readUByte();\n }\n }\n }\n break;\n // SPS\n case 7:\n push = true;\n spsfound = true;\n if (debug && avcSample) {\n avcSample.debug += 'SPS ';\n }\n\n if (!track.sps) {\n expGolombDecoder = new ExpGolomb(unit.data);\n let config = expGolombDecoder.readSPS();\n track.width = config.width;\n track.height = config.height;\n track.pixelRatio = config.pixelRatio;\n track.sps = [unit.data];\n track.duration = this._duration;\n let codecarray = unit.data.subarray(1, 4);\n let codecstring = 'avc1.';\n for (i = 0; i < 3; i++) {\n let h = codecarray[i].toString(16);\n if (h.length < 2) {\n h = '0' + h;\n }\n\n codecstring += h;\n }\n track.codec = codecstring;\n }\n break;\n // PPS\n case 8:\n push = true;\n if (debug && avcSample) {\n avcSample.debug += 'PPS ';\n }\n\n if (!track.pps) {\n track.pps = [unit.data];\n }\n\n break;\n // AUD\n case 9:\n push = false;\n track.audFound = true;\n if (avcSample) {\n pushAccesUnit(avcSample, track);\n }\n\n avcSample = this.avcSample = createAVCSample(false, pes.pts, pes.dts, debug ? 'AUD ' : '');\n break;\n // Filler Data\n case 12:\n push = false;\n break;\n default:\n push = false;\n if (avcSample) {\n avcSample.debug += 'unknown NAL ' + unit.type + ' ';\n }\n\n break;\n }\n if (avcSample && push) {\n let units = avcSample.units;\n units.push(unit);\n }\n });\n // if last PES packet, push samples\n if (last && avcSample) {\n pushAccesUnit(avcSample, track);\n this.avcSample = null;\n }\n }\n\n _insertSampleInOrder (arr, data) {\n let len = arr.length;\n if (len > 0) {\n if (data.pts >= arr[len - 1].pts) {\n arr.push(data);\n } else {\n for (let pos = len - 1; pos >= 0; pos--) {\n if (data.pts < arr[pos].pts) {\n arr.splice(pos, 0, data);\n break;\n }\n }\n }\n } else {\n arr.push(data);\n }\n }\n\n _getLastNalUnit () {\n let avcSample = this.avcSample, lastUnit;\n // try to fallback to previous sample if current one is empty\n if (!avcSample || avcSample.units.length === 0) {\n let track = this._avcTrack, samples = track.samples;\n avcSample = samples[samples.length - 1];\n }\n if (avcSample) {\n let units = avcSample.units;\n lastUnit = units[units.length - 1];\n }\n return lastUnit;\n }\n\n _parseAVCNALu (array) {\n let i = 0, len = array.byteLength, value, overflow, track = this._avcTrack, state = track.naluState || 0, lastState = state;\n let units = [], unit, unitType, lastUnitStart = -1, lastUnitType;\n // logger.log('PES:' + Hex.hexDump(array));\n\n if (state === -1) {\n // special use case where we found 3 or 4-byte start codes exactly at the end of previous PES packet\n lastUnitStart = 0;\n // NALu type is value read from offset 0\n lastUnitType = array[0] & 0x1f;\n state = 0;\n i = 1;\n }\n\n while (i < len) {\n value = array[i++];\n // optimization. state 0 and 1 are the predominant case. let's handle them outside of the switch/case\n if (!state) {\n state = value ? 0 : 1;\n continue;\n }\n if (state === 1) {\n state = value ? 0 : 2;\n continue;\n }\n // here we have state either equal to 2 or 3\n if (!value) {\n state = 3;\n } else if (value === 1) {\n if (lastUnitStart >= 0) {\n unit = { data: array.subarray(lastUnitStart, i - state - 1), type: lastUnitType };\n // logger.log('pushing NALU, type/size:' + unit.type + '/' + unit.data.byteLength);\n units.push(unit);\n } else {\n // lastUnitStart is undefined => this is the first start code found in this PES packet\n // first check if start code delimiter is overlapping between 2 PES packets,\n // ie it started in last packet (lastState not zero)\n // and ended at the beginning of this PES packet (i <= 4 - lastState)\n let lastUnit = this._getLastNalUnit();\n if (lastUnit) {\n if (lastState && (i <= 4 - lastState)) {\n // start delimiter overlapping between PES packets\n // strip start delimiter bytes from the end of last NAL unit\n // check if lastUnit had a state different from zero\n if (lastUnit.state) {\n // strip last bytes\n lastUnit.data = lastUnit.data.subarray(0, lastUnit.data.byteLength - lastState);\n }\n }\n // If NAL units are not starting right at the beginning of the PES packet, push preceding data into previous NAL unit.\n overflow = i - state - 1;\n if (overflow > 0) {\n // logger.log('first NALU found with overflow:' + overflow);\n let tmp = new Uint8Array(lastUnit.data.byteLength + overflow);\n tmp.set(lastUnit.data, 0);\n tmp.set(array.subarray(0, overflow), lastUnit.data.byteLength);\n lastUnit.data = tmp;\n }\n }\n }\n // check if we can read unit type\n if (i < len) {\n unitType = array[i] & 0x1f;\n // logger.log('find NALU @ offset:' + i + ',type:' + unitType);\n lastUnitStart = i;\n lastUnitType = unitType;\n state = 0;\n } else {\n // not enough byte to read unit type. let's read it on next PES parsing\n state = -1;\n }\n } else {\n state = 0;\n }\n }\n if (lastUnitStart >= 0 && state >= 0) {\n unit = { data: array.subarray(lastUnitStart, len), type: lastUnitType, state: state };\n units.push(unit);\n // logger.log('pushing NALU, type/size/state:' + unit.type + '/' + unit.data.byteLength + '/' + state);\n }\n // no NALu found\n if (units.length === 0) {\n // append pes.data to previous NAL unit\n let lastUnit = this._getLastNalUnit();\n if (lastUnit) {\n let tmp = new Uint8Array(lastUnit.data.byteLength + array.byteLength);\n tmp.set(lastUnit.data, 0);\n tmp.set(array, lastUnit.data.byteLength);\n lastUnit.data = tmp;\n }\n }\n track.naluState = state;\n return units;\n }\n\n /**\n * remove Emulation Prevention bytes from a RBSP\n */\n discardEPB (data) {\n let length = data.byteLength,\n EPBPositions = [],\n i = 1,\n newLength, newData;\n\n // Find all `Emulation Prevention Bytes`\n while (i < length - 2) {\n if (data[i] === 0 &&\n data[i + 1] === 0 &&\n data[i + 2] === 0x03) {\n EPBPositions.push(i + 2);\n i += 2;\n } else {\n i++;\n }\n }\n\n // If no Emulation Prevention Bytes were found just return the original\n // array\n if (EPBPositions.length === 0) {\n return data;\n }\n\n // Create a new array to hold the NAL unit data\n newLength = length - EPBPositions.length;\n newData = new Uint8Array(newLength);\n let sourceIndex = 0;\n\n for (i = 0; i < newLength; sourceIndex++, i++) {\n if (sourceIndex === EPBPositions[0]) {\n // Skip this byte\n sourceIndex++;\n // Remove this position index\n EPBPositions.shift();\n }\n newData[i] = data[sourceIndex];\n }\n return newData;\n }\n\n _parseAACPES (pes) {\n let track = this._audioTrack,\n data = pes.data,\n pts = pes.pts,\n startOffset = 0,\n aacOverFlow = this.aacOverFlow,\n aacLastPTS = this.aacLastPTS,\n frameDuration, frameIndex, offset, stamp, len;\n if (aacOverFlow) {\n let tmp = new Uint8Array(aacOverFlow.byteLength + data.byteLength);\n tmp.set(aacOverFlow, 0);\n tmp.set(data, aacOverFlow.byteLength);\n // logger.log(`AAC: append overflowing ${aacOverFlow.byteLength} bytes to beginning of new PES`);\n data = tmp;\n }\n // look for ADTS header (0xFFFx)\n for (offset = startOffset, len = data.length; offset < len - 1; offset++) {\n if (ADTS.isHeader(data, offset)) {\n break;\n }\n }\n // if ADTS header does not start straight from the beginning of the PES payload, raise an error\n if (offset) {\n let reason, fatal;\n if (offset < len - 1) {\n reason = `AAC PES did not start with ADTS header,offset:${offset}`;\n fatal = false;\n } else {\n reason = 'no ADTS header found in AAC PES';\n fatal = true;\n }\n logger.warn(`parsing error:${reason}`);\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: fatal, reason: reason });\n if (fatal) {\n return;\n }\n }\n\n ADTS.initTrackConfig(track, this.observer, data, offset, this.audioCodec);\n frameIndex = 0;\n frameDuration = ADTS.getFrameDuration(track.samplerate);\n\n // if last AAC frame is overflowing, we should ensure timestamps are contiguous:\n // first sample PTS should be equal to last sample PTS + frameDuration\n if (aacOverFlow && aacLastPTS) {\n let newPTS = aacLastPTS + frameDuration;\n if (Math.abs(newPTS - pts) > 1) {\n logger.log(`AAC: align PTS for overlapping frames by ${Math.round((newPTS - pts) / 90)}`);\n pts = newPTS;\n }\n }\n\n // scan for aac samples\n while (offset < len) {\n if (ADTS.isHeader(data, offset)) {\n if ((offset + 5) < len) {\n const frame = ADTS.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n continue;\n }\n }\n // We are at an ADTS header, but do not have enough data for a frame\n // Remaining data will be added to aacOverFlow\n break;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n if (offset < len) {\n aacOverFlow = data.subarray(offset, len);\n // logger.log(`AAC: overflow detected:${len-offset}`);\n } else {\n aacOverFlow = null;\n }\n\n this.aacOverFlow = aacOverFlow;\n this.aacLastPTS = stamp;\n }\n\n _parseMPEGPES (pes) {\n let data = pes.data;\n let length = data.length;\n let frameIndex = 0;\n let offset = 0;\n let pts = pes.pts;\n\n while (offset < length) {\n if (MpegAudio.isHeader(data, offset)) {\n let frame = MpegAudio.appendFrame(this._audioTrack, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n frameIndex++;\n } else {\n // logger.log('Unable to parse Mpeg audio frame');\n break;\n }\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n }\n\n _parseID3PES (pes) {\n this._id3Track.samples.push(pes);\n }\n}\n\nexport default TSDemuxer;\n","/**\n * MP3 demuxer\n */\nimport ID3 from '../demux/id3';\nimport { logger } from '../utils/logger';\nimport MpegAudio from './mpegaudio';\n\nclass MP3Demuxer {\n constructor (observer, remuxer, config) {\n this.observer = observer;\n this.config = config;\n this.remuxer = remuxer;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this._audioTrack = { container: 'audio/mpeg', type: 'audio', id: -1, sequenceNumber: 0, isAAC: false, samples: [], len: 0, manifestCodec: audioCodec, duration: duration, inputTimeScale: 90000 };\n }\n\n resetTimeStamp () {\n }\n\n static probe (data) {\n // check if data contains ID3 timestamp and MPEG sync word\n let offset, length;\n let id3Data = ID3.getID3Data(data, 0);\n if (id3Data && ID3.getTimeStamp(id3Data) !== undefined) {\n // Look for MPEG header | 1111 1111 | 111X XYZX | where X can be either 0 or 1 and Y or Z should be 1\n // Layer bits (position 14 and 15) in header should be always different from 0 (Layer I or Layer II or Layer III)\n // More info http://www.mp3-tech.org/programmer/frame_header.html\n for (offset = id3Data.length, length = Math.min(data.length - 1, offset + 100); offset < length; offset++) {\n if (MpegAudio.probe(data, offset)) {\n logger.log('MPEG Audio sync word found !');\n return true;\n }\n }\n }\n return false;\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let id3Data = ID3.getID3Data(data, 0);\n let timestamp = ID3.getTimeStamp(id3Data);\n let pts = timestamp ? 90 * timestamp : timeOffset * 90000;\n let offset = id3Data.length;\n let length = data.length;\n let frameIndex = 0, stamp = 0;\n let track = this._audioTrack;\n\n let id3Samples = [{ pts: pts, dts: pts, data: id3Data }];\n\n while (offset < length) {\n if (MpegAudio.isHeader(data, offset)) {\n let frame = MpegAudio.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n } else {\n // logger.log('Unable to parse Mpeg audio frame');\n break;\n }\n } else if (ID3.isHeader(data, offset)) {\n id3Data = ID3.getID3Data(data, offset);\n id3Samples.push({ pts: stamp, dts: stamp, data: id3Data });\n offset += id3Data.length;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n this.remuxer.remux(track,\n { samples: [] },\n { samples: id3Samples, inputTimeScale: 90000 },\n { samples: [] },\n timeOffset,\n contiguous,\n accurateTimeOffset);\n }\n\n destroy () {\n }\n}\n\nexport default MP3Demuxer;\n","/**\n * AAC helper\n */\n\nclass AAC {\n static getSilentFrame (codec, channelCount) {\n switch (codec) {\n case 'mp4a.40.2':\n if (channelCount === 1) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x23, 0x80]);\n } else if (channelCount === 2) {\n return new Uint8Array([0x21, 0x00, 0x49, 0x90, 0x02, 0x19, 0x00, 0x23, 0x80]);\n } else if (channelCount === 3) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x8e]);\n } else if (channelCount === 4) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x80, 0x2c, 0x80, 0x08, 0x02, 0x38]);\n } else if (channelCount === 5) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x38]);\n } else if (channelCount === 6) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x00, 0xb2, 0x00, 0x20, 0x08, 0xe0]);\n }\n\n break;\n // handle HE-AAC below (mp4a.40.5 / mp4a.40.29)\n default:\n if (channelCount === 1) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0:d=0.05\" -c:a libfdk_aac -profile:a aac_he -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x4e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x1c, 0x6, 0xf1, 0xc1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n } else if (channelCount === 2) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0|0:d=0.05\" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n } else if (channelCount === 3) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0|0|0:d=0.05\" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n }\n break;\n }\n return null;\n }\n}\n\nexport default AAC;\n","/**\n * Generate MP4 Box\n*/\n\nconst UINT32_MAX = Math.pow(2, 32) - 1;\n\nclass MP4 {\n static init () {\n MP4.types = {\n avc1: [], // codingname\n avcC: [],\n btrt: [],\n dinf: [],\n dref: [],\n esds: [],\n ftyp: [],\n hdlr: [],\n mdat: [],\n mdhd: [],\n mdia: [],\n mfhd: [],\n minf: [],\n moof: [],\n moov: [],\n mp4a: [],\n '.mp3': [],\n mvex: [],\n mvhd: [],\n pasp: [],\n sdtp: [],\n stbl: [],\n stco: [],\n stsc: [],\n stsd: [],\n stsz: [],\n stts: [],\n tfdt: [],\n tfhd: [],\n traf: [],\n trak: [],\n trun: [],\n trex: [],\n tkhd: [],\n vmhd: [],\n smhd: []\n };\n\n let i;\n for (i in MP4.types) {\n if (MP4.types.hasOwnProperty(i)) {\n MP4.types[i] = [\n i.charCodeAt(0),\n i.charCodeAt(1),\n i.charCodeAt(2),\n i.charCodeAt(3)\n ];\n }\n }\n\n let videoHdlr = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0x76, 0x69, 0x64, 0x65, // handler_type: 'vide'\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x56, 0x69, 0x64, 0x65,\n 0x6f, 0x48, 0x61, 0x6e,\n 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'VideoHandler'\n ]);\n\n let audioHdlr = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0x73, 0x6f, 0x75, 0x6e, // handler_type: 'soun'\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x53, 0x6f, 0x75, 0x6e,\n 0x64, 0x48, 0x61, 0x6e,\n 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'SoundHandler'\n ]);\n\n MP4.HDLR_TYPES = {\n 'video': videoHdlr,\n 'audio': audioHdlr\n };\n\n let dref = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x01, // entry_count\n 0x00, 0x00, 0x00, 0x0c, // entry_size\n 0x75, 0x72, 0x6c, 0x20, // 'url' type\n 0x00, // version 0\n 0x00, 0x00, 0x01 // entry_flags\n ]);\n\n let stco = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00 // entry_count\n ]);\n\n MP4.STTS = MP4.STSC = MP4.STCO = stco;\n\n MP4.STSZ = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // sample_size\n 0x00, 0x00, 0x00, 0x00 // sample_count\n ]);\n MP4.VMHD = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x01, // flags\n 0x00, 0x00, // graphicsmode\n 0x00, 0x00,\n 0x00, 0x00,\n 0x00, 0x00 // opcolor\n ]);\n MP4.SMHD = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, // balance\n 0x00, 0x00 // reserved\n ]);\n\n MP4.STSD = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x01]);// entry_count\n\n let majorBrand = new Uint8Array([105, 115, 111, 109]); // isom\n let avc1Brand = new Uint8Array([97, 118, 99, 49]); // avc1\n let minorVersion = new Uint8Array([0, 0, 0, 1]);\n\n MP4.FTYP = MP4.box(MP4.types.ftyp, majorBrand, minorVersion, majorBrand, avc1Brand);\n MP4.DINF = MP4.box(MP4.types.dinf, MP4.box(MP4.types.dref, dref));\n }\n\n static box (type) {\n let\n payload = Array.prototype.slice.call(arguments, 1),\n size = 8,\n i = payload.length,\n len = i,\n result;\n // calculate the total size we need to allocate\n while (i--) {\n size += payload[i].byteLength;\n }\n\n result = new Uint8Array(size);\n result[0] = (size >> 24) & 0xff;\n result[1] = (size >> 16) & 0xff;\n result[2] = (size >> 8) & 0xff;\n result[3] = size & 0xff;\n result.set(type, 4);\n // copy the payload into the result\n for (i = 0, size = 8; i < len; i++) {\n // copy payload[i] array @ offset size\n result.set(payload[i], size);\n size += payload[i].byteLength;\n }\n return result;\n }\n\n static hdlr (type) {\n return MP4.box(MP4.types.hdlr, MP4.HDLR_TYPES[type]);\n }\n\n static mdat (data) {\n return MP4.box(MP4.types.mdat, data);\n }\n\n static mdhd (timescale, duration) {\n duration *= timescale;\n const upperWordDuration = Math.floor(duration / (UINT32_MAX + 1));\n const lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n return MP4.box(MP4.types.mdhd, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (timescale >> 24) & 0xFF,\n (timescale >> 16) & 0xFF,\n (timescale >> 8) & 0xFF,\n timescale & 0xFF, // timescale\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x55, 0xc4, // 'und' language (undetermined)\n 0x00, 0x00\n ]));\n }\n\n static mdia (track) {\n return MP4.box(MP4.types.mdia, MP4.mdhd(track.timescale, track.duration), MP4.hdlr(track.type), MP4.minf(track));\n }\n\n static mfhd (sequenceNumber) {\n return MP4.box(MP4.types.mfhd, new Uint8Array([\n 0x00,\n 0x00, 0x00, 0x00, // flags\n (sequenceNumber >> 24),\n (sequenceNumber >> 16) & 0xFF,\n (sequenceNumber >> 8) & 0xFF,\n sequenceNumber & 0xFF // sequence_number\n ]));\n }\n\n static minf (track) {\n if (track.type === 'audio') {\n return MP4.box(MP4.types.minf, MP4.box(MP4.types.smhd, MP4.SMHD), MP4.DINF, MP4.stbl(track));\n } else {\n return MP4.box(MP4.types.minf, MP4.box(MP4.types.vmhd, MP4.VMHD), MP4.DINF, MP4.stbl(track));\n }\n }\n\n static moof (sn, baseMediaDecodeTime, track) {\n return MP4.box(MP4.types.moof, MP4.mfhd(sn), MP4.traf(track, baseMediaDecodeTime));\n }\n /**\n * @param tracks... (optional) {array} the tracks associated with this movie\n */\n static moov (tracks) {\n let\n i = tracks.length,\n boxes = [];\n\n while (i--) {\n boxes[i] = MP4.trak(tracks[i]);\n }\n\n return MP4.box.apply(null, [MP4.types.moov, MP4.mvhd(tracks[0].timescale, tracks[0].duration)].concat(boxes).concat(MP4.mvex(tracks)));\n }\n\n static mvex (tracks) {\n let\n i = tracks.length,\n boxes = [];\n\n while (i--) {\n boxes[i] = MP4.trex(tracks[i]);\n }\n\n return MP4.box.apply(null, [MP4.types.mvex].concat(boxes));\n }\n\n static mvhd (timescale, duration) {\n duration *= timescale;\n const upperWordDuration = Math.floor(duration / (UINT32_MAX + 1));\n const lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n let\n bytes = new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (timescale >> 24) & 0xFF,\n (timescale >> 16) & 0xFF,\n (timescale >> 8) & 0xFF,\n timescale & 0xFF, // timescale\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x00, 0x01, 0x00, 0x00, // 1.0 rate\n 0x01, 0x00, // 1.0 volume\n 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0xff, 0xff, 0xff, 0xff // next_track_ID\n ]);\n return MP4.box(MP4.types.mvhd, bytes);\n }\n\n static sdtp (track) {\n let\n samples = track.samples || [],\n bytes = new Uint8Array(4 + samples.length),\n flags,\n i;\n // leave the full box header (4 bytes) all zero\n // write the sample table\n for (i = 0; i < samples.length; i++) {\n flags = samples[i].flags;\n bytes[i + 4] = (flags.dependsOn << 4) |\n (flags.isDependedOn << 2) |\n (flags.hasRedundancy);\n }\n\n return MP4.box(MP4.types.sdtp, bytes);\n }\n\n static stbl (track) {\n return MP4.box(MP4.types.stbl, MP4.stsd(track), MP4.box(MP4.types.stts, MP4.STTS), MP4.box(MP4.types.stsc, MP4.STSC), MP4.box(MP4.types.stsz, MP4.STSZ), MP4.box(MP4.types.stco, MP4.STCO));\n }\n\n static avc1 (track) {\n let sps = [], pps = [], i, data, len;\n // assemble the SPSs\n\n for (i = 0; i < track.sps.length; i++) {\n data = track.sps[i];\n len = data.byteLength;\n sps.push((len >>> 8) & 0xFF);\n sps.push((len & 0xFF));\n\n // SPS\n sps = sps.concat(Array.prototype.slice.call(data));\n }\n\n // assemble the PPSs\n for (i = 0; i < track.pps.length; i++) {\n data = track.pps[i];\n len = data.byteLength;\n pps.push((len >>> 8) & 0xFF);\n pps.push((len & 0xFF));\n\n pps = pps.concat(Array.prototype.slice.call(data));\n }\n\n let avcc = MP4.box(MP4.types.avcC, new Uint8Array([\n 0x01, // version\n sps[3], // profile\n sps[4], // profile compat\n sps[5], // level\n 0xfc | 3, // lengthSizeMinusOne, hard-coded to 4 bytes\n 0xE0 | track.sps.length // 3bit reserved (111) + numOfSequenceParameterSets\n ].concat(sps).concat([\n track.pps.length // numOfPictureParameterSets\n ]).concat(pps))), // \"PPS\"\n width = track.width,\n height = track.height,\n hSpacing = track.pixelRatio[0],\n vSpacing = track.pixelRatio[1];\n\n return MP4.box(MP4.types.avc1, new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, // pre_defined\n 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n (width >> 8) & 0xFF,\n width & 0xff, // width\n (height >> 8) & 0xFF,\n height & 0xff, // height\n 0x00, 0x48, 0x00, 0x00, // horizresolution\n 0x00, 0x48, 0x00, 0x00, // vertresolution\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // frame_count\n 0x12,\n 0x64, 0x61, 0x69, 0x6C, // dailymotion/hls.js\n 0x79, 0x6D, 0x6F, 0x74,\n 0x69, 0x6F, 0x6E, 0x2F,\n 0x68, 0x6C, 0x73, 0x2E,\n 0x6A, 0x73, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, // compressorname\n 0x00, 0x18, // depth = 24\n 0x11, 0x11]), // pre_defined = -1\n avcc,\n MP4.box(MP4.types.btrt, new Uint8Array([\n 0x00, 0x1c, 0x9c, 0x80, // bufferSizeDB\n 0x00, 0x2d, 0xc6, 0xc0, // maxBitrate\n 0x00, 0x2d, 0xc6, 0xc0])), // avgBitrate\n MP4.box(MP4.types.pasp, new Uint8Array([\n (hSpacing >> 24), // hSpacing\n (hSpacing >> 16) & 0xFF,\n (hSpacing >> 8) & 0xFF,\n hSpacing & 0xFF,\n (vSpacing >> 24), // vSpacing\n (vSpacing >> 16) & 0xFF,\n (vSpacing >> 8) & 0xFF,\n vSpacing & 0xFF]))\n );\n }\n\n static esds (track) {\n let configlen = track.config.length;\n return new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n\n 0x03, // descriptor_type\n 0x17 + configlen, // length\n 0x00, 0x01, // es_id\n 0x00, // stream_priority\n\n 0x04, // descriptor_type\n 0x0f + configlen, // length\n 0x40, // codec : mpeg4_audio\n 0x15, // stream_type\n 0x00, 0x00, 0x00, // buffer_size\n 0x00, 0x00, 0x00, 0x00, // maxBitrate\n 0x00, 0x00, 0x00, 0x00, // avgBitrate\n\n 0x05 // descriptor_type\n ].concat([configlen]).concat(track.config).concat([0x06, 0x01, 0x02])); // GASpecificConfig)); // length + audio config descriptor\n }\n\n static mp4a (track) {\n let samplerate = track.samplerate;\n return MP4.box(MP4.types.mp4a, new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, track.channelCount, // channelcount\n 0x00, 0x10, // sampleSize:16bits\n 0x00, 0x00, 0x00, 0x00, // reserved2\n (samplerate >> 8) & 0xFF,\n samplerate & 0xff, //\n 0x00, 0x00]),\n MP4.box(MP4.types.esds, MP4.esds(track)));\n }\n\n static mp3 (track) {\n let samplerate = track.samplerate;\n return MP4.box(MP4.types['.mp3'], new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, track.channelCount, // channelcount\n 0x00, 0x10, // sampleSize:16bits\n 0x00, 0x00, 0x00, 0x00, // reserved2\n (samplerate >> 8) & 0xFF,\n samplerate & 0xff, //\n 0x00, 0x00]));\n }\n\n static stsd (track) {\n if (track.type === 'audio') {\n if (!track.isAAC && track.codec === 'mp3') {\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp3(track));\n }\n\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp4a(track));\n } else {\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.avc1(track));\n }\n }\n\n static tkhd (track) {\n let id = track.id,\n duration = track.duration * track.timescale,\n width = track.width,\n height = track.height,\n upperWordDuration = Math.floor(duration / (UINT32_MAX + 1)),\n lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n return MP4.box(MP4.types.tkhd, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x07, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (id >> 24) & 0xFF,\n (id >> 16) & 0xFF,\n (id >> 8) & 0xFF,\n id & 0xFF, // track_ID\n 0x00, 0x00, 0x00, 0x00, // reserved\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, // layer\n 0x00, 0x00, // alternate_group\n 0x00, 0x00, // non-audio track volume\n 0x00, 0x00, // reserved\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n (width >> 8) & 0xFF,\n width & 0xFF,\n 0x00, 0x00, // width\n (height >> 8) & 0xFF,\n height & 0xFF,\n 0x00, 0x00 // height\n ]));\n }\n\n static traf (track, baseMediaDecodeTime) {\n let sampleDependencyTable = MP4.sdtp(track),\n id = track.id,\n upperWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1)),\n lowerWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1));\n return MP4.box(MP4.types.traf,\n MP4.box(MP4.types.tfhd, new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n (id >> 24),\n (id >> 16) & 0XFF,\n (id >> 8) & 0XFF,\n (id & 0xFF) // track_ID\n ])),\n MP4.box(MP4.types.tfdt, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n (upperWordBaseMediaDecodeTime >> 24),\n (upperWordBaseMediaDecodeTime >> 16) & 0XFF,\n (upperWordBaseMediaDecodeTime >> 8) & 0XFF,\n (upperWordBaseMediaDecodeTime & 0xFF),\n (lowerWordBaseMediaDecodeTime >> 24),\n (lowerWordBaseMediaDecodeTime >> 16) & 0XFF,\n (lowerWordBaseMediaDecodeTime >> 8) & 0XFF,\n (lowerWordBaseMediaDecodeTime & 0xFF)\n ])),\n MP4.trun(track,\n sampleDependencyTable.length +\n 16 + // tfhd\n 20 + // tfdt\n 8 + // traf header\n 16 + // mfhd\n 8 + // moof header\n 8), // mdat header\n sampleDependencyTable);\n }\n\n /**\n * Generate a track box.\n * @param track {object} a track definition\n * @return {Uint8Array} the track box\n */\n static trak (track) {\n track.duration = track.duration || 0xffffffff;\n return MP4.box(MP4.types.trak, MP4.tkhd(track), MP4.mdia(track));\n }\n\n static trex (track) {\n let id = track.id;\n return MP4.box(MP4.types.trex, new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n (id >> 24),\n (id >> 16) & 0XFF,\n (id >> 8) & 0XFF,\n (id & 0xFF), // track_ID\n 0x00, 0x00, 0x00, 0x01, // default_sample_description_index\n 0x00, 0x00, 0x00, 0x00, // default_sample_duration\n 0x00, 0x00, 0x00, 0x00, // default_sample_size\n 0x00, 0x01, 0x00, 0x01 // default_sample_flags\n ]));\n }\n\n static trun (track, offset) {\n let samples = track.samples || [],\n len = samples.length,\n arraylen = 12 + (16 * len),\n array = new Uint8Array(arraylen),\n i, sample, duration, size, flags, cts;\n offset += 8 + arraylen;\n array.set([\n 0x00, // version 0\n 0x00, 0x0f, 0x01, // flags\n (len >>> 24) & 0xFF,\n (len >>> 16) & 0xFF,\n (len >>> 8) & 0xFF,\n len & 0xFF, // sample_count\n (offset >>> 24) & 0xFF,\n (offset >>> 16) & 0xFF,\n (offset >>> 8) & 0xFF,\n offset & 0xFF // data_offset\n ], 0);\n for (i = 0; i < len; i++) {\n sample = samples[i];\n duration = sample.duration;\n size = sample.size;\n flags = sample.flags;\n cts = sample.cts;\n array.set([\n (duration >>> 24) & 0xFF,\n (duration >>> 16) & 0xFF,\n (duration >>> 8) & 0xFF,\n duration & 0xFF, // sample_duration\n (size >>> 24) & 0xFF,\n (size >>> 16) & 0xFF,\n (size >>> 8) & 0xFF,\n size & 0xFF, // sample_size\n (flags.isLeading << 2) | flags.dependsOn,\n (flags.isDependedOn << 6) |\n (flags.hasRedundancy << 4) |\n (flags.paddingValue << 1) |\n flags.isNonSync,\n flags.degradPrio & 0xF0 << 8,\n flags.degradPrio & 0x0F, // sample_flags\n (cts >>> 24) & 0xFF,\n (cts >>> 16) & 0xFF,\n (cts >>> 8) & 0xFF,\n cts & 0xFF // sample_composition_time_offset\n ], 12 + 16 * i);\n }\n return MP4.box(MP4.types.trun, array);\n }\n\n static initSegment (tracks) {\n if (!MP4.types) {\n MP4.init();\n }\n\n let movie = MP4.moov(tracks), result;\n result = new Uint8Array(MP4.FTYP.byteLength + movie.byteLength);\n result.set(MP4.FTYP);\n result.set(movie, MP4.FTYP.byteLength);\n return result;\n }\n}\n\nexport default MP4;\n","const MPEG_TS_CLOCK_FREQ_HZ = 90000;\n\nexport function toTimescaleFromScale (value, destScale: number, srcScale: number = 1, round: boolean = false): number {\n return toTimescaleFromBase(value, destScale, 1 / srcScale);\n}\n\nexport function toTimescaleFromBase (value, destScale: number, srcBase: number = 1, round: boolean = false): number {\n const result = value * destScale * srcBase; // equivalent to `(value * scale) / (1 / base)`\n return round ? Math.round(result) : result;\n}\n\nexport function toMsFromMpegTsClock (value: number, round: boolean = false): number {\n return toTimescaleFromBase(value, 1000, 1 / MPEG_TS_CLOCK_FREQ_HZ, round);\n}\n\nexport function toMpegTsClockFromTimescale (value: number, srcScale: number = 1): number {\n return toTimescaleFromBase(value, MPEG_TS_CLOCK_FREQ_HZ, 1 / srcScale);\n}\n","/**\n * fMP4 remuxer\n*/\n\nimport AAC from './aac-helper';\nimport MP4 from './mp4-generator';\n\nimport Event from '../events';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\nimport { toMsFromMpegTsClock, toMpegTsClockFromTimescale, toTimescaleFromScale } from '../utils/timescale-conversion';\n\nimport { logger } from '../utils/logger';\n\nconst MAX_SILENT_FRAME_DURATION_90KHZ = toMpegTsClockFromTimescale(10);\nconst PTS_DTS_SHIFT_TOLERANCE_90KHZ = toMpegTsClockFromTimescale(0.2);\n\nclass MP4Remuxer {\n constructor (observer, config, typeSupported, vendor) {\n this.observer = observer;\n this.config = config;\n this.typeSupported = typeSupported;\n const userAgent = navigator.userAgent;\n this.isSafari = vendor && vendor.indexOf('Apple') > -1 && userAgent && !userAgent.match('CriOS');\n this.ISGenerated = false;\n }\n\n destroy () {\n }\n\n resetTimeStamp (defaultTimeStamp) {\n this._initPTS = this._initDTS = defaultTimeStamp;\n }\n\n resetInitSegment () {\n this.ISGenerated = false;\n }\n\n remux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n // generate Init Segment if needed\n if (!this.ISGenerated) {\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n\n if (this.ISGenerated) {\n const nbAudioSamples = audioTrack.samples.length;\n const nbVideoSamples = videoTrack.samples.length;\n let audioTimeOffset = timeOffset;\n let videoTimeOffset = timeOffset;\n if (nbAudioSamples && nbVideoSamples) {\n // timeOffset is expected to be the offset of the first timestamp of this fragment (first DTS)\n // if first audio DTS is not aligned with first video DTS then we need to take that into account\n // when providing timeOffset to remuxAudio / remuxVideo. if we don't do that, there might be a permanent / small\n // drift between audio and video streams\n let audiovideoDeltaDts = (audioTrack.samples[0].pts - videoTrack.samples[0].pts) / videoTrack.inputTimeScale;\n audioTimeOffset += Math.max(0, audiovideoDeltaDts);\n videoTimeOffset += Math.max(0, -audiovideoDeltaDts);\n }\n // Purposefully remuxing audio before video, so that remuxVideo can use nextAudioPts, which is\n // calculated in remuxAudio.\n // logger.log('nb AAC samples:' + audioTrack.samples.length);\n if (nbAudioSamples) {\n // if initSegment was generated without video samples, regenerate it again\n if (!audioTrack.timescale) {\n logger.warn('regenerate InitSegment as audio detected');\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n let audioData = this.remuxAudio(audioTrack, audioTimeOffset, contiguous, accurateTimeOffset);\n // logger.log('nb AVC samples:' + videoTrack.samples.length);\n if (nbVideoSamples) {\n let audioTrackLength;\n if (audioData) {\n audioTrackLength = audioData.endPTS - audioData.startPTS;\n }\n\n // if initSegment was generated without video samples, regenerate it again\n if (!videoTrack.timescale) {\n logger.warn('regenerate InitSegment as video detected');\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n this.remuxVideo(videoTrack, videoTimeOffset, contiguous, audioTrackLength, accurateTimeOffset);\n }\n } else {\n // logger.log('nb AVC samples:' + videoTrack.samples.length);\n if (nbVideoSamples) {\n let videoData = this.remuxVideo(videoTrack, videoTimeOffset, contiguous, 0, accurateTimeOffset);\n if (videoData && audioTrack.codec) {\n this.remuxEmptyAudio(audioTrack, audioTimeOffset, contiguous, videoData);\n }\n }\n }\n }\n // logger.log('nb ID3 samples:' + audioTrack.samples.length);\n if (id3Track.samples.length) {\n this.remuxID3(id3Track, timeOffset);\n }\n\n // logger.log('nb ID3 samples:' + audioTrack.samples.length);\n if (textTrack.samples.length) {\n this.remuxText(textTrack, timeOffset);\n }\n\n // notify end of parsing\n this.observer.trigger(Event.FRAG_PARSED);\n }\n\n generateIS (audioTrack, videoTrack, timeOffset) {\n let observer = this.observer,\n audioSamples = audioTrack.samples,\n videoSamples = videoTrack.samples,\n typeSupported = this.typeSupported,\n container = 'audio/mp4',\n tracks = {},\n data = { tracks: tracks },\n computePTSDTS = (this._initPTS === undefined),\n initPTS, initDTS;\n\n if (computePTSDTS) {\n initPTS = initDTS = Infinity;\n }\n\n if (audioTrack.config && audioSamples.length) {\n // let's use audio sampling rate as MP4 time scale.\n // rationale is that there is a integer nb of audio frames per audio sample (1024 for AAC)\n // using audio sampling rate here helps having an integer MP4 frame duration\n // this avoids potential rounding issue and AV sync issue\n audioTrack.timescale = audioTrack.samplerate;\n logger.log(`audio sampling rate : ${audioTrack.samplerate}`);\n if (!audioTrack.isAAC) {\n if (typeSupported.mpeg) { // Chrome and Safari\n container = 'audio/mpeg';\n audioTrack.codec = '';\n } else if (typeSupported.mp3) { // Firefox\n audioTrack.codec = 'mp3';\n }\n }\n tracks.audio = {\n container: container,\n codec: audioTrack.codec,\n initSegment: !audioTrack.isAAC && typeSupported.mpeg ? new Uint8Array() : MP4.initSegment([audioTrack]),\n metadata: {\n channelCount: audioTrack.channelCount\n }\n };\n if (computePTSDTS) {\n // remember first PTS of this demuxing context. for audio, PTS = DTS\n initPTS = initDTS = audioSamples[0].pts - audioTrack.inputTimeScale * timeOffset;\n }\n }\n\n if (videoTrack.sps && videoTrack.pps && videoSamples.length) {\n // let's use input time scale as MP4 video timescale\n // we use input time scale straight away to avoid rounding issues on frame duration / cts computation\n const inputTimeScale = videoTrack.inputTimeScale;\n videoTrack.timescale = inputTimeScale;\n tracks.video = {\n container: 'video/mp4',\n codec: videoTrack.codec,\n initSegment: MP4.initSegment([videoTrack]),\n metadata: {\n width: videoTrack.width,\n height: videoTrack.height\n }\n };\n if (computePTSDTS) {\n initPTS = Math.min(initPTS, videoSamples[0].pts - inputTimeScale * timeOffset);\n initDTS = Math.min(initDTS, videoSamples[0].dts - inputTimeScale * timeOffset);\n this.observer.trigger(Event.INIT_PTS_FOUND, { initPTS: initPTS });\n }\n }\n\n if (Object.keys(tracks).length) {\n observer.trigger(Event.FRAG_PARSING_INIT_SEGMENT, data);\n this.ISGenerated = true;\n if (computePTSDTS) {\n this._initPTS = initPTS;\n this._initDTS = initDTS;\n }\n } else {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: false, reason: 'no audio/video samples found' });\n }\n }\n\n remuxVideo (track, timeOffset, contiguous, audioTrackLength, accurateTimeOffset) {\n let offset = 8;\n let mp4SampleDuration;\n let mdat;\n let moof;\n let firstPTS;\n let firstDTS;\n let lastPTS;\n let lastDTS;\n const timeScale = track.timescale;\n const inputSamples = track.samples;\n const outputSamples = [];\n const nbSamples = inputSamples.length;\n const ptsNormalize = this._PTSNormalize;\n const initPTS = this._initPTS;\n\n // if parsed fragment is contiguous with last one, let's use last DTS value as reference\n let nextAvcDts = this.nextAvcDts;\n\n const isSafari = this.isSafari;\n\n if (nbSamples === 0) {\n return;\n }\n\n // Safari does not like overlapping DTS on consecutive fragments. let's use nextAvcDts to overcome this if fragments are consecutive\n if (isSafari) {\n // also consider consecutive fragments as being contiguous (even if a level switch occurs),\n // for sake of clarity:\n // consecutive fragments are frags with\n // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR\n // - less than 200 ms PTS gaps (timeScale/5)\n contiguous |= (inputSamples.length && nextAvcDts &&\n ((accurateTimeOffset && Math.abs(timeOffset - nextAvcDts / timeScale) < 0.1) ||\n Math.abs((inputSamples[0].pts - nextAvcDts - initPTS)) < timeScale / 5)\n );\n }\n\n if (!contiguous) {\n // if not contiguous, let's use target timeOffset\n nextAvcDts = timeOffset * timeScale;\n }\n\n // PTS is coded on 33bits, and can loop from -2^32 to 2^32\n // ptsNormalize will make PTS/DTS value monotonic, we use last known DTS value as reference value\n inputSamples.forEach(function (sample) {\n sample.pts = ptsNormalize(sample.pts - initPTS, nextAvcDts);\n sample.dts = ptsNormalize(sample.dts - initPTS, nextAvcDts);\n });\n\n // sort video samples by DTS then PTS then demux id order\n inputSamples.sort(function (a, b) {\n const deltadts = a.dts - b.dts;\n const deltapts = a.pts - b.pts;\n return deltadts || (deltapts || (a.id - b.id));\n });\n\n // handle broken streams with PTS < DTS, tolerance up 0.2 seconds\n let PTSDTSshift = inputSamples.reduce((prev, curr) => Math.max(Math.min(prev, curr.pts - curr.dts), -1 * PTS_DTS_SHIFT_TOLERANCE_90KHZ), 0);\n if (PTSDTSshift < 0) {\n logger.warn(`PTS < DTS detected in video samples, shifting DTS by ${toMsFromMpegTsClock(PTSDTSshift, true)} ms to overcome this issue`);\n for (let i = 0; i < inputSamples.length; i++) {\n inputSamples[i].dts += PTSDTSshift;\n }\n }\n\n // compute first DTS and last DTS, normalize them against reference value\n let sample = inputSamples[0];\n firstDTS = Math.max(sample.dts, 0);\n firstPTS = Math.max(sample.pts, 0);\n\n // check timestamp continuity accross consecutive fragments (this is to remove inter-fragment gap/hole)\n let delta = firstDTS - nextAvcDts;\n // if fragment are contiguous, detect hole/overlapping between fragments\n if (contiguous) {\n if (delta) {\n if (delta > 1) {\n logger.log(`AVC: ${toMsFromMpegTsClock(delta, true)} ms hole between fragments detected,filling it`);\n } else if (delta < -1) {\n logger.log(`AVC: ${toMsFromMpegTsClock(-delta, true)} ms overlapping between fragments detected`);\n }\n\n // remove hole/gap : set DTS to next expected DTS\n firstDTS = nextAvcDts;\n inputSamples[0].dts = firstDTS;\n // offset PTS as well, ensure that PTS is smaller or equal than new DTS\n firstPTS = Math.max(firstPTS - delta, nextAvcDts);\n inputSamples[0].pts = firstPTS;\n logger.log(`Video: PTS/DTS adjusted: ${toMsFromMpegTsClock(firstPTS, true)}/${toMsFromMpegTsClock(firstDTS, true)}, delta: ${toMsFromMpegTsClock(delta, true)} ms`);\n }\n }\n\n // compute lastPTS/lastDTS\n sample = inputSamples[inputSamples.length - 1];\n lastDTS = Math.max(sample.dts, 0);\n lastPTS = Math.max(sample.pts, 0, lastDTS);\n\n // on Safari let's signal the same sample duration for all samples\n // sample duration (as expected by trun MP4 boxes), should be the delta between sample DTS\n // set this constant duration as being the avg delta between consecutive DTS.\n if (isSafari) {\n mp4SampleDuration = Math.round((lastDTS - firstDTS) / (inputSamples.length - 1));\n }\n\n let nbNalu = 0, naluLen = 0;\n for (let i = 0; i < nbSamples; i++) {\n // compute total/avc sample length and nb of NAL units\n let sample = inputSamples[i], units = sample.units, nbUnits = units.length, sampleLen = 0;\n for (let j = 0; j < nbUnits; j++) {\n sampleLen += units[j].data.length;\n }\n\n naluLen += sampleLen;\n nbNalu += nbUnits;\n sample.length = sampleLen;\n\n // normalize PTS/DTS\n if (isSafari) {\n // sample DTS is computed using a constant decoding offset (mp4SampleDuration) between samples\n sample.dts = firstDTS + i * mp4SampleDuration;\n } else {\n // ensure sample monotonic DTS\n sample.dts = Math.max(sample.dts, firstDTS);\n }\n // ensure that computed value is greater or equal than sample DTS\n sample.pts = Math.max(sample.pts, sample.dts);\n }\n\n /* concatenate the video data and construct the mdat in place\n (need 8 more bytes to fill length and mpdat type) */\n let mdatSize = naluLen + (4 * nbNalu) + 8;\n try {\n mdat = new Uint8Array(mdatSize);\n } catch (err) {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MUX_ERROR, details: ErrorDetails.REMUX_ALLOC_ERROR, fatal: false, bytes: mdatSize, reason: `fail allocating video mdat ${mdatSize}` });\n return;\n }\n let view = new DataView(mdat.buffer);\n view.setUint32(0, mdatSize);\n mdat.set(MP4.types.mdat, 4);\n\n for (let i = 0; i < nbSamples; i++) {\n let avcSample = inputSamples[i],\n avcSampleUnits = avcSample.units,\n mp4SampleLength = 0,\n compositionTimeOffset;\n // convert NALU bitstream to MP4 format (prepend NALU with size field)\n for (let j = 0, nbUnits = avcSampleUnits.length; j < nbUnits; j++) {\n let unit = avcSampleUnits[j],\n unitData = unit.data,\n unitDataLen = unit.data.byteLength;\n view.setUint32(offset, unitDataLen);\n offset += 4;\n mdat.set(unitData, offset);\n offset += unitDataLen;\n mp4SampleLength += 4 + unitDataLen;\n }\n\n if (!isSafari) {\n // expected sample duration is the Decoding Timestamp diff of consecutive samples\n if (i < nbSamples - 1) {\n mp4SampleDuration = inputSamples[i + 1].dts - avcSample.dts;\n } else {\n let config = this.config,\n lastFrameDuration = avcSample.dts - inputSamples[i > 0 ? i - 1 : i].dts;\n if (config.stretchShortVideoTrack) {\n // In some cases, a segment's audio track duration may exceed the video track duration.\n // Since we've already remuxed audio, and we know how long the audio track is, we look to\n // see if the delta to the next segment is longer than maxBufferHole.\n // If so, playback would potentially get stuck, so we artificially inflate\n // the duration of the last frame to minimize any potential gap between segments.\n let maxBufferHole = config.maxBufferHole,\n gapTolerance = Math.floor(maxBufferHole * timeScale),\n deltaToFrameEnd = (audioTrackLength ? firstPTS + audioTrackLength * timeScale : this.nextAudioPts) - avcSample.pts;\n if (deltaToFrameEnd > gapTolerance) {\n // We subtract lastFrameDuration from deltaToFrameEnd to try to prevent any video\n // frame overlap. maxBufferHole should be >> lastFrameDuration anyway.\n mp4SampleDuration = deltaToFrameEnd - lastFrameDuration;\n if (mp4SampleDuration < 0) {\n mp4SampleDuration = lastFrameDuration;\n }\n\n logger.log(`It is approximately ${toMsFromMpegTsClock(deltaToFrameEnd, false)} ms to the next segment; using duration ${toMsFromMpegTsClock(mp4SampleDuration, false)} ms for the last video frame.`);\n } else {\n mp4SampleDuration = lastFrameDuration;\n }\n } else {\n mp4SampleDuration = lastFrameDuration;\n }\n }\n compositionTimeOffset = Math.round(avcSample.pts - avcSample.dts);\n } else {\n compositionTimeOffset = Math.max(0, mp4SampleDuration * Math.round((avcSample.pts - avcSample.dts) / mp4SampleDuration));\n }\n\n // console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${avcSample.pts}/${avcSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(avcSample.pts/4294967296).toFixed(3)}');\n outputSamples.push({\n size: mp4SampleLength,\n // constant duration\n duration: mp4SampleDuration,\n cts: compositionTimeOffset,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: avcSample.key ? 2 : 1,\n isNonSync: avcSample.key ? 0 : 1\n }\n });\n }\n // next AVC sample DTS should be equal to last sample DTS + last sample duration (in PES timescale)\n this.nextAvcDts = lastDTS + mp4SampleDuration;\n let dropped = track.dropped;\n track.nbNalu = 0;\n track.dropped = 0;\n if (outputSamples.length && navigator.userAgent.toLowerCase().indexOf('chrome') > -1) {\n let flags = outputSamples[0].flags;\n // chrome workaround, mark first sample as being a Random Access Point to avoid sourcebuffer append issue\n // https://code.google.com/p/chromium/issues/detail?id=229412\n flags.dependsOn = 2;\n flags.isNonSync = 0;\n }\n track.samples = outputSamples;\n moof = MP4.moof(track.sequenceNumber++, firstDTS, track);\n track.samples = [];\n\n let data = {\n data1: moof,\n data2: mdat,\n startPTS: firstPTS / timeScale,\n endPTS: (lastPTS + mp4SampleDuration) / timeScale,\n startDTS: firstDTS / timeScale,\n endDTS: this.nextAvcDts / timeScale,\n type: 'video',\n hasAudio: false,\n hasVideo: true,\n nb: outputSamples.length,\n dropped: dropped\n };\n this.observer.trigger(Event.FRAG_PARSING_DATA, data);\n return data;\n }\n\n remuxAudio (track, timeOffset, contiguous, accurateTimeOffset) {\n const inputTimeScale = track.inputTimeScale;\n const mp4timeScale = track.timescale;\n const scaleFactor = inputTimeScale / mp4timeScale;\n const mp4SampleDuration = track.isAAC ? 1024 : 1152;\n const inputSampleDuration = mp4SampleDuration * scaleFactor;\n const ptsNormalize = this._PTSNormalize;\n const initPTS = this._initPTS;\n const rawMPEG = !track.isAAC && this.typeSupported.mpeg;\n\n let mp4Sample;\n let fillFrame;\n let mdat;\n let moof;\n let firstPTS;\n let lastPTS;\n let offset = (rawMPEG ? 0 : 8);\n let inputSamples = track.samples;\n let outputSamples = [];\n let nextAudioPts = this.nextAudioPts;\n\n // for audio samples, also consider consecutive fragments as being contiguous (even if a level switch occurs),\n // for sake of clarity:\n // consecutive fragments are frags with\n // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR\n // - less than 20 audio frames distance\n // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1)\n // this helps ensuring audio continuity\n // and this also avoids audio glitches/cut when switching quality, or reporting wrong duration on first audio frame\n contiguous |= (inputSamples.length && nextAudioPts &&\n ((accurateTimeOffset && Math.abs(timeOffset - nextAudioPts / inputTimeScale) < 0.1) ||\n Math.abs((inputSamples[0].pts - nextAudioPts - initPTS)) < 20 * inputSampleDuration)\n );\n\n // compute normalized PTS\n inputSamples.forEach(function (sample) {\n sample.pts = sample.dts = ptsNormalize(sample.pts - initPTS, timeOffset * inputTimeScale);\n });\n\n // filter out sample with negative PTS that are not playable anyway\n // if we don't remove these negative samples, they will shift all audio samples forward.\n // leading to audio overlap between current / next fragment\n inputSamples = inputSamples.filter(function (sample) {\n return sample.pts >= 0;\n });\n\n // in case all samples have negative PTS, and have been filtered out, return now\n if (inputSamples.length === 0) {\n return;\n }\n\n if (!contiguous) {\n if (!accurateTimeOffset) {\n // if frag are mot contiguous and if we cant trust time offset, let's use first sample PTS as next audio PTS\n nextAudioPts = inputSamples[0].pts;\n } else {\n // if timeOffset is accurate, let's use it as predicted next audio PTS\n nextAudioPts = timeOffset * inputTimeScale;\n }\n }\n\n // If the audio track is missing samples, the frames seem to get \"left-shifted\" within the\n // resulting mp4 segment, causing sync issues and leaving gaps at the end of the audio segment.\n // In an effort to prevent this from happening, we inject frames here where there are gaps.\n // When possible, we inject a silent frame; when that's not possible, we duplicate the last\n // frame.\n\n if (track.isAAC) {\n const maxAudioFramesDrift = this.config.maxAudioFramesDrift;\n for (let i = 0, nextPts = nextAudioPts; i < inputSamples.length;) {\n // First, let's see how far off this frame is from where we expect it to be\n var sample = inputSamples[i], delta;\n let pts = sample.pts;\n delta = pts - nextPts;\n\n // If we're overlapping by more than a duration, drop this sample\n if (delta <= -maxAudioFramesDrift * inputSampleDuration) {\n logger.warn(`Dropping 1 audio frame @ ${toMsFromMpegTsClock(nextPts, true)} ms due to ${toMsFromMpegTsClock(delta, true)} ms overlap.`);\n inputSamples.splice(i, 1);\n // Don't touch nextPtsNorm or i\n } // eslint-disable-line brace-style\n\n // Insert missing frames if:\n // 1: We're more than maxAudioFramesDrift frame away\n // 2: Not more than MAX_SILENT_FRAME_DURATION away\n // 3: currentTime (aka nextPtsNorm) is not 0\n else if (delta >= maxAudioFramesDrift * inputSampleDuration && delta < MAX_SILENT_FRAME_DURATION_90KHZ && nextPts) {\n let missing = Math.round(delta / inputSampleDuration);\n logger.warn(`Injecting ${missing} audio frames @ ${toMsFromMpegTsClock(nextPts, true)} ms due to ${toMsFromMpegTsClock(nextPts, true)} ms gap.`);\n for (let j = 0; j < missing; j++) {\n let newStamp = Math.max(nextPts, 0);\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n logger.log('Unable to get silent frame for given audio codec; duplicating last frame instead.');\n fillFrame = sample.unit.subarray();\n }\n inputSamples.splice(i, 0, { unit: fillFrame, pts: newStamp, dts: newStamp });\n nextPts += inputSampleDuration;\n i++;\n }\n\n // Adjust sample to next expected pts\n sample.pts = sample.dts = nextPts;\n nextPts += inputSampleDuration;\n i++;\n } else {\n // Otherwise, just adjust pts\n if (Math.abs(delta) > (0.1 * inputSampleDuration)) {\n // logger.log(`Invalid frame delta ${Math.round(delta + inputSampleDuration)} at PTS ${Math.round(pts / 90)} (should be ${Math.round(inputSampleDuration)}).`);\n }\n sample.pts = sample.dts = nextPts;\n nextPts += inputSampleDuration;\n i++;\n }\n }\n }\n\n // compute mdat size, as we eventually filtered/added some samples\n let nbSamples = inputSamples.length;\n let mdatSize = 0;\n while (nbSamples--) {\n mdatSize += inputSamples[nbSamples].unit.byteLength;\n }\n\n for (let j = 0, nbSamples = inputSamples.length; j < nbSamples; j++) {\n let audioSample = inputSamples[j];\n let unit = audioSample.unit;\n let pts = audioSample.pts;\n\n // logger.log(`Audio/PTS:${toMsFromMpegTsClock(pts, true)}`);\n // if not first sample\n\n if (lastPTS !== undefined) {\n mp4Sample.duration = Math.round((pts - lastPTS) / scaleFactor);\n } else {\n let delta = pts - nextAudioPts;\n let numMissingFrames = 0;\n\n // if fragment are contiguous, detect hole/overlapping between fragments\n // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1)\n if (contiguous && track.isAAC) {\n // log delta\n if (delta) {\n if (delta > 0 && delta < MAX_SILENT_FRAME_DURATION_90KHZ) {\n // Q: why do we have to round here, shouldn't this always result in an integer if timestamps are correct,\n // and if not, shouldn't we actually Math.ceil() instead?\n numMissingFrames = Math.round((pts - nextAudioPts) / inputSampleDuration);\n\n logger.log(`${toMsFromMpegTsClock(delta, true)} ms hole between AAC samples detected,filling it`);\n if (numMissingFrames > 0) {\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n fillFrame = unit.subarray();\n }\n\n mdatSize += numMissingFrames * fillFrame.length;\n }\n // if we have frame overlap, overlapping for more than half a frame duraion\n } else if (delta < -12) {\n // drop overlapping audio frames... browser will deal with it\n logger.log(`drop overlapping AAC sample, expected/parsed/delta: ${toMsFromMpegTsClock(nextAudioPts, true)} ms / ${toMsFromMpegTsClock(pts, true)} ms / ${toMsFromMpegTsClock(-delta, true)} ms`);\n mdatSize -= unit.byteLength;\n continue;\n }\n // set PTS/DTS to expected PTS/DTS\n pts = nextAudioPts;\n }\n }\n // remember first PTS of our audioSamples\n firstPTS = pts;\n if (mdatSize > 0) {\n mdatSize += offset;\n try {\n mdat = new Uint8Array(mdatSize);\n } catch (err) {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MUX_ERROR, details: ErrorDetails.REMUX_ALLOC_ERROR, fatal: false, bytes: mdatSize, reason: `fail allocating audio mdat ${mdatSize}` });\n return;\n }\n if (!rawMPEG) {\n const view = new DataView(mdat.buffer);\n view.setUint32(0, mdatSize);\n mdat.set(MP4.types.mdat, 4);\n }\n } else {\n // no audio samples\n return;\n }\n for (let i = 0; i < numMissingFrames; i++) {\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n logger.log('Unable to get silent frame for given audio codec; duplicating this frame instead.');\n fillFrame = unit.subarray();\n }\n mdat.set(fillFrame, offset);\n offset += fillFrame.byteLength;\n mp4Sample = {\n size: fillFrame.byteLength,\n cts: 0,\n duration: 1024,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: 1\n }\n };\n outputSamples.push(mp4Sample);\n }\n }\n mdat.set(unit, offset);\n let unitLen = unit.byteLength;\n offset += unitLen;\n // console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${audioSample.pts}/${audioSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(audioSample.pts/4294967296).toFixed(3)}');\n mp4Sample = {\n size: unitLen,\n cts: 0,\n duration: 0,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: 1\n }\n };\n outputSamples.push(mp4Sample);\n lastPTS = pts;\n }\n let lastSampleDuration = 0;\n nbSamples = outputSamples.length;\n // set last sample duration as being identical to previous sample\n if (nbSamples >= 2) {\n lastSampleDuration = outputSamples[nbSamples - 2].duration;\n mp4Sample.duration = lastSampleDuration;\n }\n if (nbSamples) {\n // next audio sample PTS should be equal to last sample PTS + duration\n this.nextAudioPts = nextAudioPts = lastPTS + scaleFactor * lastSampleDuration;\n // logger.log('Audio/PTS/PTSend:' + audioSample.pts.toFixed(0) + '/' + this.nextAacDts.toFixed(0));\n track.samples = outputSamples;\n if (rawMPEG) {\n moof = new Uint8Array();\n } else {\n moof = MP4.moof(track.sequenceNumber++, firstPTS / scaleFactor, track);\n }\n\n track.samples = [];\n const start = firstPTS / inputTimeScale;\n const end = nextAudioPts / inputTimeScale;\n const audioData = {\n data1: moof,\n data2: mdat,\n startPTS: start,\n endPTS: end,\n startDTS: start,\n endDTS: end,\n type: 'audio',\n hasAudio: true,\n hasVideo: false,\n nb: nbSamples\n };\n this.observer.trigger(Event.FRAG_PARSING_DATA, audioData);\n return audioData;\n }\n return null;\n }\n\n remuxEmptyAudio (track, timeOffset, contiguous, videoData) {\n let inputTimeScale = track.inputTimeScale;\n let mp4timeScale = track.samplerate ? track.samplerate : inputTimeScale;\n let scaleFactor = inputTimeScale / mp4timeScale;\n let nextAudioPts = this.nextAudioPts;\n\n // sync with video's timestamp\n let startDTS = (nextAudioPts !== undefined ? nextAudioPts : videoData.startDTS * inputTimeScale) + this._initDTS;\n let endDTS = videoData.endDTS * inputTimeScale + this._initDTS;\n // one sample's duration value\n let sampleDuration = 1024;\n let frameDuration = scaleFactor * sampleDuration;\n\n // samples count of this segment's duration\n let nbSamples = Math.ceil((endDTS - startDTS) / frameDuration);\n\n // silent frame\n let silentFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n\n logger.warn('remux empty Audio');\n // Can't remux if we can't generate a silent frame...\n if (!silentFrame) {\n logger.trace('Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!');\n return;\n }\n\n let samples = [];\n for (let i = 0; i < nbSamples; i++) {\n let stamp = startDTS + i * frameDuration;\n samples.push({ unit: silentFrame, pts: stamp, dts: stamp });\n }\n track.samples = samples;\n\n this.remuxAudio(track, timeOffset, contiguous);\n }\n\n remuxID3 (track) {\n let length = track.samples.length, sample;\n const inputTimeScale = track.inputTimeScale;\n const initPTS = this._initPTS;\n const initDTS = this._initDTS;\n // consume samples\n if (length) {\n for (let index = 0; index < length; index++) {\n sample = track.samples[index];\n // setting id3 pts, dts to relative time\n // using this._initPTS and this._initDTS to calculate relative time\n sample.pts = ((sample.pts - initPTS) / inputTimeScale);\n sample.dts = ((sample.dts - initDTS) / inputTimeScale);\n }\n this.observer.trigger(Event.FRAG_PARSING_METADATA, {\n samples: track.samples\n });\n }\n\n track.samples = [];\n }\n\n remuxText (track) {\n track.samples.sort(function (a, b) {\n return (a.pts - b.pts);\n });\n\n let length = track.samples.length, sample;\n const inputTimeScale = track.inputTimeScale;\n const initPTS = this._initPTS;\n // consume samples\n if (length) {\n for (let index = 0; index < length; index++) {\n sample = track.samples[index];\n // setting text pts, dts to relative time\n // using this._initPTS and this._initDTS to calculate relative time\n sample.pts = ((sample.pts - initPTS) / inputTimeScale);\n }\n this.observer.trigger(Event.FRAG_PARSING_USERDATA, {\n samples: track.samples\n });\n }\n\n track.samples = [];\n }\n\n _PTSNormalize (value, reference) {\n let offset;\n if (reference === undefined) {\n return value;\n }\n\n if (reference < value) {\n // - 2^33\n offset = -8589934592;\n } else {\n // + 2^33\n offset = 8589934592;\n }\n /* PTS is 33bit (from 0 to 2^33 -1)\n if diff between value and reference is bigger than half of the amplitude (2^32) then it means that\n PTS looping occured. fill the gap */\n while (Math.abs(value - reference) > 4294967296) {\n value += offset;\n }\n\n return value;\n }\n}\n\nexport default MP4Remuxer;\n","/**\n *\n * inline demuxer: probe fragments and instantiate\n * appropriate demuxer depending on content type (TSDemuxer, AACDemuxer, ...)\n *\n */\n\nimport Event from '../events';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport Decrypter from '../crypt/decrypter';\nimport AACDemuxer from '../demux/aacdemuxer';\nimport MP4Demuxer from '../demux/mp4demuxer';\nimport TSDemuxer from '../demux/tsdemuxer';\nimport MP3Demuxer from '../demux/mp3demuxer';\nimport MP4Remuxer from '../remux/mp4-remuxer';\nimport PassThroughRemuxer from '../remux/passthrough-remuxer';\n\nimport { getSelfScope } from '../utils/get-self-scope';\nimport { logger } from '../utils/logger';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n\nlet now;\n// performance.now() not available on WebWorker, at least on Safari Desktop\ntry {\n now = global.performance.now.bind(global.performance);\n} catch (err) {\n logger.debug('Unable to use Performance API on this environment');\n now = global.Date.now;\n}\n\nclass DemuxerInline {\n constructor (observer, typeSupported, config, vendor) {\n this.observer = observer;\n this.typeSupported = typeSupported;\n this.config = config;\n this.vendor = vendor;\n }\n\n destroy () {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.destroy();\n }\n }\n\n push (data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) {\n if ((data.byteLength > 0) && (decryptdata != null) && (decryptdata.key != null) && (decryptdata.method === 'AES-128')) {\n let decrypter = this.decrypter;\n if (decrypter == null) {\n decrypter = this.decrypter = new Decrypter(this.observer, this.config);\n }\n\n const startTime = now();\n decrypter.decrypt(data, decryptdata.key.buffer, decryptdata.iv.buffer, (decryptedData) => {\n const endTime = now();\n this.observer.trigger(Event.FRAG_DECRYPTED, { stats: { tstart: startTime, tdecrypt: endTime } });\n this.pushDecrypted(new Uint8Array(decryptedData), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n });\n } else {\n this.pushDecrypted(new Uint8Array(data), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n }\n }\n\n pushDecrypted (data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) {\n let demuxer = this.demuxer;\n if (!demuxer ||\n // in case of continuity change, or track switch\n // we might switch from content type (AAC container to TS container, or TS to fmp4 for example)\n // so let's check that current demuxer is still valid\n ((discontinuity || trackSwitch) && !this.probe(data))) {\n const observer = this.observer;\n const typeSupported = this.typeSupported;\n const config = this.config;\n // probing order is TS/MP4/AAC/MP3\n const muxConfig = [\n { demux: TSDemuxer, remux: MP4Remuxer },\n { demux: MP4Demuxer, remux: PassThroughRemuxer },\n { demux: AACDemuxer, remux: MP4Remuxer },\n { demux: MP3Demuxer, remux: MP4Remuxer }\n ];\n\n // probe for content type\n for (let i = 0, len = muxConfig.length; i < len; i++) {\n const mux = muxConfig[i];\n const probe = mux.demux.probe;\n if (probe(data)) {\n const remuxer = this.remuxer = new mux.remux(observer, config, typeSupported, this.vendor);\n demuxer = new mux.demux(observer, remuxer, config, typeSupported);\n this.probe = probe;\n break;\n }\n }\n if (!demuxer) {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: true, reason: 'no demux matching with content found' });\n return;\n }\n this.demuxer = demuxer;\n }\n const remuxer = this.remuxer;\n\n if (discontinuity || trackSwitch) {\n demuxer.resetInitSegment(initSegment, audioCodec, videoCodec, duration);\n remuxer.resetInitSegment();\n }\n if (discontinuity) {\n demuxer.resetTimeStamp(defaultInitPTS);\n remuxer.resetTimeStamp(defaultInitPTS);\n }\n if (typeof demuxer.setDecryptData === 'function') {\n demuxer.setDecryptData(decryptdata);\n }\n\n demuxer.append(data, timeOffset, contiguous, accurateTimeOffset);\n }\n}\n\nexport default DemuxerInline;\n","/**\n * passthrough remuxer\n*/\nimport Event from '../events';\n\nclass PassThroughRemuxer {\n constructor (observer) {\n this.observer = observer;\n }\n\n destroy () {\n }\n\n resetTimeStamp () {\n }\n\n resetInitSegment () {\n }\n\n remux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset, rawData) {\n let observer = this.observer;\n let streamType = '';\n if (audioTrack) {\n streamType += 'audio';\n }\n\n if (videoTrack) {\n streamType += 'video';\n }\n\n observer.trigger(Event.FRAG_PARSING_DATA, {\n data1: rawData,\n startPTS: timeOffset,\n startDTS: timeOffset,\n type: streamType,\n hasAudio: !!audioTrack,\n hasVideo: !!videoTrack,\n nb: 1,\n dropped: 0\n });\n // notify end of parsing\n observer.trigger(Event.FRAG_PARSED);\n }\n}\n\nexport default PassThroughRemuxer;\n","/**\n * MP4 demuxer\n */\nimport { logger } from '../utils/logger';\nimport Event from '../events';\n\nconst UINT32_MAX = Math.pow(2, 32) - 1;\n\nclass MP4Demuxer {\n constructor (observer, remuxer) {\n this.observer = observer;\n this.remuxer = remuxer;\n }\n\n resetTimeStamp (initPTS) {\n this.initPTS = initPTS;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n // jshint unused:false\n if (initSegment && initSegment.byteLength) {\n const initData = this.initData = MP4Demuxer.parseInitSegment(initSegment);\n\n // default audio codec if nothing specified\n // TODO : extract that from initsegment\n if (audioCodec == null) {\n audioCodec = 'mp4a.40.5';\n }\n\n if (videoCodec == null) {\n videoCodec = 'avc1.42e01e';\n }\n\n const tracks = {};\n if (initData.audio && initData.video) {\n tracks.audiovideo = { container: 'video/mp4', codec: audioCodec + ',' + videoCodec, initSegment: duration ? initSegment : null };\n } else {\n if (initData.audio) {\n tracks.audio = { container: 'audio/mp4', codec: audioCodec, initSegment: duration ? initSegment : null };\n }\n\n if (initData.video) {\n tracks.video = { container: 'video/mp4', codec: videoCodec, initSegment: duration ? initSegment : null };\n }\n }\n this.observer.trigger(Event.FRAG_PARSING_INIT_SEGMENT, { tracks });\n } else {\n if (audioCodec) {\n this.audioCodec = audioCodec;\n }\n\n if (videoCodec) {\n this.videoCodec = videoCodec;\n }\n }\n }\n\n static probe (data) {\n // ensure we find a moof box in the first 16 kB\n return MP4Demuxer.findBox({ data: data, start: 0, end: Math.min(data.length, 16384) }, ['moof']).length > 0;\n }\n\n static bin2str (buffer) {\n return String.fromCharCode.apply(null, buffer);\n }\n\n static readUint16 (buffer, offset) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n\n const val = buffer[offset] << 8 |\n buffer[offset + 1];\n\n return val < 0 ? 65536 + val : val;\n }\n\n static readUint32 (buffer, offset) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n\n const val = buffer[offset] << 24 |\n buffer[offset + 1] << 16 |\n buffer[offset + 2] << 8 |\n buffer[offset + 3];\n return val < 0 ? 4294967296 + val : val;\n }\n\n static writeUint32 (buffer, offset, value) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n buffer[offset] = value >> 24;\n buffer[offset + 1] = (value >> 16) & 0xff;\n buffer[offset + 2] = (value >> 8) & 0xff;\n buffer[offset + 3] = value & 0xff;\n }\n\n // Find the data for a box specified by its path\n static findBox (data, path) {\n let results = [],\n i, size, type, end, subresults, start, endbox;\n\n if (data.data) {\n start = data.start;\n end = data.end;\n data = data.data;\n } else {\n start = 0;\n end = data.byteLength;\n }\n\n if (!path.length) {\n // short-circuit the search for empty paths\n return null;\n }\n\n for (i = start; i < end;) {\n size = MP4Demuxer.readUint32(data, i);\n type = MP4Demuxer.bin2str(data.subarray(i + 4, i + 8));\n endbox = size > 1 ? i + size : end;\n\n if (type === path[0]) {\n if (path.length === 1) {\n // this is the end of the path and we've found the box we were\n // looking for\n results.push({ data: data, start: i + 8, end: endbox });\n } else {\n // recursively search for the next box along the path\n subresults = MP4Demuxer.findBox({ data: data, start: i + 8, end: endbox }, path.slice(1));\n if (subresults.length) {\n results = results.concat(subresults);\n }\n }\n }\n i = endbox;\n }\n\n // we've finished searching all of data\n return results;\n }\n\n static parseSegmentIndex (initSegment) {\n const moov = MP4Demuxer.findBox(initSegment, ['moov'])[0];\n const moovEndOffset = moov ? moov.end : null; // we need this in case we need to chop of garbage of the end of current data\n\n let index = 0;\n let sidx = MP4Demuxer.findBox(initSegment, ['sidx']);\n let references;\n\n if (!sidx || !sidx[0]) {\n return null;\n }\n\n references = [];\n sidx = sidx[0];\n\n const version = sidx.data[0];\n\n // set initial offset, we skip the reference ID (not needed)\n index = version === 0 ? 8 : 16;\n\n const timescale = MP4Demuxer.readUint32(sidx, index);\n index += 4;\n\n // TODO: parse earliestPresentationTime and firstOffset\n // usually zero in our case\n let earliestPresentationTime = 0;\n let firstOffset = 0;\n\n if (version === 0) {\n index += 8;\n } else {\n index += 16;\n }\n\n // skip reserved\n index += 2;\n\n let startByte = sidx.end + firstOffset;\n\n const referencesCount = MP4Demuxer.readUint16(sidx, index);\n index += 2;\n\n for (let i = 0; i < referencesCount; i++) {\n let referenceIndex = index;\n\n const referenceInfo = MP4Demuxer.readUint32(sidx, referenceIndex);\n referenceIndex += 4;\n\n const referenceSize = referenceInfo & 0x7FFFFFFF;\n const referenceType = (referenceInfo & 0x80000000) >>> 31;\n\n if (referenceType === 1) {\n console.warn('SIDX has hierarchical references (not supported)');\n return;\n }\n\n const subsegmentDuration = MP4Demuxer.readUint32(sidx, referenceIndex);\n referenceIndex += 4;\n\n references.push({\n referenceSize,\n subsegmentDuration, // unscaled\n info: {\n duration: subsegmentDuration / timescale,\n start: startByte,\n end: startByte + referenceSize - 1\n }\n });\n\n startByte += referenceSize;\n\n // Skipping 1 bit for |startsWithSap|, 3 bits for |sapType|, and 28 bits\n // for |sapDelta|.\n referenceIndex += 4;\n\n // skip to next ref\n index = referenceIndex;\n }\n\n return {\n earliestPresentationTime,\n timescale,\n version,\n referencesCount,\n references,\n moovEndOffset\n };\n }\n\n /**\n * Parses an MP4 initialization segment and extracts stream type and\n * timescale values for any declared tracks. Timescale values indicate the\n * number of clock ticks per second to assume for time-based values\n * elsewhere in the MP4.\n *\n * To determine the start time of an MP4, you need two pieces of\n * information: the timescale unit and the earliest base media decode\n * time. Multiple timescales can be specified within an MP4 but the\n * base media decode time is always expressed in the timescale from\n * the media header box for the track:\n * ```\n * moov > trak > mdia > mdhd.timescale\n * moov > trak > mdia > hdlr\n * ```\n * @param init {Uint8Array} the bytes of the init segment\n * @return {object} a hash of track type to timescale values or null if\n * the init segment is malformed.\n */\n static parseInitSegment (initSegment) {\n let result = [];\n let traks = MP4Demuxer.findBox(initSegment, ['moov', 'trak']);\n\n traks.forEach(trak => {\n const tkhd = MP4Demuxer.findBox(trak, ['tkhd'])[0];\n if (tkhd) {\n let version = tkhd.data[tkhd.start];\n let index = version === 0 ? 12 : 20;\n let trackId = MP4Demuxer.readUint32(tkhd, index);\n\n const mdhd = MP4Demuxer.findBox(trak, ['mdia', 'mdhd'])[0];\n if (mdhd) {\n version = mdhd.data[mdhd.start];\n index = version === 0 ? 12 : 20;\n const timescale = MP4Demuxer.readUint32(mdhd, index);\n\n const hdlr = MP4Demuxer.findBox(trak, ['mdia', 'hdlr'])[0];\n if (hdlr) {\n const hdlrType = MP4Demuxer.bin2str(hdlr.data.subarray(hdlr.start + 8, hdlr.start + 12));\n let type = { 'soun': 'audio', 'vide': 'video' }[hdlrType];\n if (type) {\n // extract codec info. TODO : parse codec details to be able to build MIME type\n let codecBox = MP4Demuxer.findBox(trak, ['mdia', 'minf', 'stbl', 'stsd']);\n if (codecBox.length) {\n codecBox = codecBox[0];\n let codecType = MP4Demuxer.bin2str(codecBox.data.subarray(codecBox.start + 12, codecBox.start + 16));\n logger.log(`MP4Demuxer:${type}:${codecType} found`);\n }\n result[trackId] = { timescale: timescale, type: type };\n result[type] = { timescale: timescale, id: trackId };\n }\n }\n }\n }\n });\n return result;\n }\n\n /**\n * Determine the base media decode start time, in seconds, for an MP4\n * fragment. If multiple fragments are specified, the earliest time is\n * returned.\n *\n * The base media decode time can be parsed from track fragment\n * metadata:\n * ```\n * moof > traf > tfdt.baseMediaDecodeTime\n * ```\n * It requires the timescale value from the mdhd to interpret.\n *\n * @param timescale {object} a hash of track ids to timescale values.\n * @return {number} the earliest base media decode start time for the\n * fragment, in seconds\n */\n static getStartDTS (initData, fragment) {\n let trafs, baseTimes, result;\n\n // we need info from two childrend of each track fragment box\n trafs = MP4Demuxer.findBox(fragment, ['moof', 'traf']);\n\n // determine the start times for each track\n baseTimes = [].concat.apply([], trafs.map(function (traf) {\n return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) {\n let id, scale, baseTime;\n\n // get the track id from the tfhd\n id = MP4Demuxer.readUint32(tfhd, 4);\n // assume a 90kHz clock if no timescale was specified\n scale = initData[id].timescale || 90e3;\n\n // get the base media decode time from the tfdt\n baseTime = MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) {\n let version, result;\n\n version = tfdt.data[tfdt.start];\n result = MP4Demuxer.readUint32(tfdt, 4);\n if (version === 1) {\n result *= Math.pow(2, 32);\n\n result += MP4Demuxer.readUint32(tfdt, 8);\n }\n return result;\n })[0];\n // convert base time to seconds\n return baseTime / scale;\n });\n }));\n\n // return the minimum\n result = Math.min.apply(null, baseTimes);\n return isFinite(result) ? result : 0;\n }\n\n static offsetStartDTS (initData, fragment, timeOffset) {\n MP4Demuxer.findBox(fragment, ['moof', 'traf']).map(function (traf) {\n return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) {\n // get the track id from the tfhd\n let id = MP4Demuxer.readUint32(tfhd, 4);\n // assume a 90kHz clock if no timescale was specified\n let timescale = initData[id].timescale || 90e3;\n\n // get the base media decode time from the tfdt\n MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) {\n let version = tfdt.data[tfdt.start];\n let baseMediaDecodeTime = MP4Demuxer.readUint32(tfdt, 4);\n if (version === 0) {\n MP4Demuxer.writeUint32(tfdt, 4, baseMediaDecodeTime - timeOffset * timescale);\n } else {\n baseMediaDecodeTime *= Math.pow(2, 32);\n baseMediaDecodeTime += MP4Demuxer.readUint32(tfdt, 8);\n baseMediaDecodeTime -= timeOffset * timescale;\n baseMediaDecodeTime = Math.max(baseMediaDecodeTime, 0);\n const upper = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1));\n const lower = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1));\n MP4Demuxer.writeUint32(tfdt, 4, upper);\n MP4Demuxer.writeUint32(tfdt, 8, lower);\n }\n });\n });\n });\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let initData = this.initData;\n if (!initData) {\n this.resetInitSegment(data, this.audioCodec, this.videoCodec, false);\n initData = this.initData;\n }\n let startDTS, initPTS = this.initPTS;\n if (initPTS === undefined) {\n let startDTS = MP4Demuxer.getStartDTS(initData, data);\n this.initPTS = initPTS = startDTS - timeOffset;\n this.observer.trigger(Event.INIT_PTS_FOUND, { initPTS: initPTS });\n }\n MP4Demuxer.offsetStartDTS(initData, data, initPTS);\n startDTS = MP4Demuxer.getStartDTS(initData, data);\n this.remuxer.remux(initData.audio, initData.video, null, null, startDTS, contiguous, accurateTimeOffset, data);\n }\n\n destroy () {}\n}\n\nexport default MP4Demuxer;\n","function webpackBootstrapFunc (modules) {\n/******/ // The module cache\n/******/ var installedModules = {};\n\n/******/ // The require function\n/******/ function __webpack_require__(moduleId) {\n\n/******/ // Check if module is in cache\n/******/ if(installedModules[moduleId])\n/******/ return installedModules[moduleId].exports;\n\n/******/ // Create a new module (and put it into the cache)\n/******/ var module = installedModules[moduleId] = {\n/******/ i: moduleId,\n/******/ l: false,\n/******/ exports: {}\n/******/ };\n\n/******/ // Execute the module function\n/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n/******/ // Flag the module as loaded\n/******/ module.l = true;\n\n/******/ // Return the exports of the module\n/******/ return module.exports;\n/******/ }\n\n/******/ // expose the modules object (__webpack_modules__)\n/******/ __webpack_require__.m = modules;\n\n/******/ // expose the module cache\n/******/ __webpack_require__.c = installedModules;\n\n/******/ // identity function for calling harmony imports with the correct context\n/******/ __webpack_require__.i = function(value) { return value; };\n\n/******/ // define getter function for harmony exports\n/******/ __webpack_require__.d = function(exports, name, getter) {\n/******/ if(!__webpack_require__.o(exports, name)) {\n/******/ Object.defineProperty(exports, name, {\n/******/ configurable: false,\n/******/ enumerable: true,\n/******/ get: getter\n/******/ });\n/******/ }\n/******/ };\n\n/******/ // define __esModule on exports\n/******/ __webpack_require__.r = function(exports) {\n/******/ Object.defineProperty(exports, '__esModule', { value: true });\n/******/ };\n\n/******/ // getDefaultExport function for compatibility with non-harmony modules\n/******/ __webpack_require__.n = function(module) {\n/******/ var getter = module && module.__esModule ?\n/******/ function getDefault() { return module['default']; } :\n/******/ function getModuleExports() { return module; };\n/******/ __webpack_require__.d(getter, 'a', getter);\n/******/ return getter;\n/******/ };\n\n/******/ // Object.prototype.hasOwnProperty.call\n/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n/******/ // __webpack_public_path__\n/******/ __webpack_require__.p = \"/\";\n\n/******/ // on error function for async loading\n/******/ __webpack_require__.oe = function(err) { console.error(err); throw err; };\n\n var f = __webpack_require__(__webpack_require__.s = ENTRY_MODULE)\n return f.default || f // try to call default if defined to also support babel esmodule exports\n}\n\nvar moduleNameReqExp = '[\\\\.|\\\\-|\\\\+|\\\\w|\\/|@]+'\nvar dependencyRegExp = '\\\\(\\\\s*(\\/\\\\*.*?\\\\*\\/)?\\\\s*.*?(' + moduleNameReqExp + ').*?\\\\)' // additional chars when output.pathinfo is true\n\n// http://stackoverflow.com/a/2593661/130442\nfunction quoteRegExp (str) {\n return (str + '').replace(/[.?*+^$[\\]\\\\(){}|-]/g, '\\\\$&')\n}\n\nfunction isNumeric(n) {\n return !isNaN(1 * n); // 1 * n converts integers, integers as string (\"123\"), 1e3 and \"1e3\" to integers and strings to NaN\n}\n\nfunction getModuleDependencies (sources, module, queueName) {\n var retval = {}\n retval[queueName] = []\n\n var fnString = module.toString()\n var wrapperSignature = fnString.match(/^function\\s?\\w*\\(\\w+,\\s*\\w+,\\s*(\\w+)\\)/)\n if (!wrapperSignature) return retval\n var webpackRequireName = wrapperSignature[1]\n\n // main bundle deps\n var re = new RegExp('(\\\\\\\\n|\\\\W)' + quoteRegExp(webpackRequireName) + dependencyRegExp, 'g')\n var match\n while ((match = re.exec(fnString))) {\n if (match[3] === 'dll-reference') continue\n retval[queueName].push(match[3])\n }\n\n // dll deps\n re = new RegExp('\\\\(' + quoteRegExp(webpackRequireName) + '\\\\(\"(dll-reference\\\\s(' + moduleNameReqExp + '))\"\\\\)\\\\)' + dependencyRegExp, 'g')\n while ((match = re.exec(fnString))) {\n if (!sources[match[2]]) {\n retval[queueName].push(match[1])\n sources[match[2]] = __webpack_require__(match[1]).m\n }\n retval[match[2]] = retval[match[2]] || []\n retval[match[2]].push(match[4])\n }\n\n // convert 1e3 back to 1000 - this can be important after uglify-js converted 1000 to 1e3\n var keys = Object.keys(retval);\n for (var i = 0; i < keys.length; i++) {\n for (var j = 0; j < retval[keys[i]].length; j++) {\n if (isNumeric(retval[keys[i]][j])) {\n retval[keys[i]][j] = 1 * retval[keys[i]][j];\n }\n }\n }\n\n return retval\n}\n\nfunction hasValuesInQueues (queues) {\n var keys = Object.keys(queues)\n return keys.reduce(function (hasValues, key) {\n return hasValues || queues[key].length > 0\n }, false)\n}\n\nfunction getRequiredModules (sources, moduleId) {\n var modulesQueue = {\n main: [moduleId]\n }\n var requiredModules = {\n main: []\n }\n var seenModules = {\n main: {}\n }\n\n while (hasValuesInQueues(modulesQueue)) {\n var queues = Object.keys(modulesQueue)\n for (var i = 0; i < queues.length; i++) {\n var queueName = queues[i]\n var queue = modulesQueue[queueName]\n var moduleToCheck = queue.pop()\n seenModules[queueName] = seenModules[queueName] || {}\n if (seenModules[queueName][moduleToCheck] || !sources[queueName][moduleToCheck]) continue\n seenModules[queueName][moduleToCheck] = true\n requiredModules[queueName] = requiredModules[queueName] || []\n requiredModules[queueName].push(moduleToCheck)\n var newModules = getModuleDependencies(sources, sources[queueName][moduleToCheck], queueName)\n var newModulesKeys = Object.keys(newModules)\n for (var j = 0; j < newModulesKeys.length; j++) {\n modulesQueue[newModulesKeys[j]] = modulesQueue[newModulesKeys[j]] || []\n modulesQueue[newModulesKeys[j]] = modulesQueue[newModulesKeys[j]].concat(newModules[newModulesKeys[j]])\n }\n }\n }\n\n return requiredModules\n}\n\nmodule.exports = function (moduleId, options) {\n options = options || {}\n var sources = {\n main: __webpack_modules__\n }\n\n var requiredModules = options.all ? { main: Object.keys(sources.main) } : getRequiredModules(sources, moduleId)\n\n var src = ''\n\n Object.keys(requiredModules).filter(function (m) { return m !== 'main' }).forEach(function (module) {\n var entryModule = 0\n while (requiredModules[module][entryModule]) {\n entryModule++\n }\n requiredModules[module].push(entryModule)\n sources[module][entryModule] = '(function(module, exports, __webpack_require__) { module.exports = __webpack_require__; })'\n src = src + 'var ' + module + ' = (' + webpackBootstrapFunc.toString().replace('ENTRY_MODULE', JSON.stringify(entryModule)) + ')({' + requiredModules[module].map(function (id) { return '' + JSON.stringify(id) + ': ' + sources[module][id].toString() }).join(',') + '});\\n'\n })\n\n src = src + 'new ((' + webpackBootstrapFunc.toString().replace('ENTRY_MODULE', JSON.stringify(moduleId)) + ')({' + requiredModules.main.map(function (id) { return '' + JSON.stringify(id) + ': ' + sources.main[id].toString() }).join(',') + '}))(self);'\n\n var blob = new window.Blob([src], { type: 'text/javascript' })\n if (options.bare) { return blob }\n\n var URL = window.URL || window.webkitURL || window.mozURL || window.msURL\n\n var workerUrl = URL.createObjectURL(blob)\n var worker = new window.Worker(workerUrl)\n worker.objectURL = workerUrl\n\n return worker\n}\n","/* demuxer web worker.\n * - listen to worker message, and trigger DemuxerInline upon reception of Fragments.\n * - provides MP4 Boxes back to main thread using [transferable objects](https://developers.google.com/web/updates/2011/12/Transferable-Objects-Lightning-Fast) in order to minimize message passing overhead.\n */\n\nimport DemuxerInline from '../demux/demuxer-inline';\nimport Event from '../events';\nimport { enableLogs } from '../utils/logger';\n\nimport { EventEmitter } from 'eventemitter3';\n\nlet DemuxerWorker = function (self) {\n // observer setup\n let observer = new EventEmitter();\n observer.trigger = function trigger (event, ...data) {\n observer.emit(event, event, ...data);\n };\n\n observer.off = function off (event, ...data) {\n observer.removeListener(event, ...data);\n };\n\n let forwardMessage = function (ev, data) {\n self.postMessage({ event: ev, data: data });\n };\n\n self.addEventListener('message', function (ev) {\n let data = ev.data;\n // console.log('demuxer cmd:' + data.cmd);\n switch (data.cmd) {\n case 'init':\n const config = JSON.parse(data.config);\n self.demuxer = new DemuxerInline(observer, data.typeSupported, config, data.vendor);\n\n enableLogs(config.debug);\n\n // signal end of worker init\n forwardMessage('init', null);\n break;\n case 'demux':\n self.demuxer.push(data.data, data.decryptdata, data.initSegment, data.audioCodec, data.videoCodec, data.timeOffset, data.discontinuity, data.trackSwitch, data.contiguous, data.duration, data.accurateTimeOffset, data.defaultInitPTS);\n break;\n default:\n break;\n }\n });\n\n // forward events to main thread\n observer.on(Event.FRAG_DECRYPTED, forwardMessage);\n observer.on(Event.FRAG_PARSING_INIT_SEGMENT, forwardMessage);\n observer.on(Event.FRAG_PARSED, forwardMessage);\n observer.on(Event.ERROR, forwardMessage);\n observer.on(Event.FRAG_PARSING_METADATA, forwardMessage);\n observer.on(Event.FRAG_PARSING_USERDATA, forwardMessage);\n observer.on(Event.INIT_PTS_FOUND, forwardMessage);\n\n // special case for FRAG_PARSING_DATA: pass data1/data2 as transferable object (no copy)\n observer.on(Event.FRAG_PARSING_DATA, function (ev, data) {\n let transferable = [];\n let message = { event: ev, data: data };\n if (data.data1) {\n message.data1 = data.data1.buffer;\n transferable.push(data.data1.buffer);\n delete data.data1;\n }\n if (data.data2) {\n message.data2 = data.data2.buffer;\n transferable.push(data.data2.buffer);\n delete data.data2;\n }\n self.postMessage(message, transferable);\n });\n};\n\nexport default DemuxerWorker;\n","import Level from '../loader/level';\n\nexport interface LoaderContext {\n // target URL\n url: string\n // loader response type (arraybuffer or default response type for playlist)\n responseType: string\n // start byte range offset\n rangeStart?: number\n // end byte range offset\n rangeEnd?: number\n // true if onProgress should report partial chunk of loaded content\n progressData?: boolean\n}\n\nexport interface LoaderConfiguration {\n // Max number of load retries\n maxRetry: number\n // Timeout after which `onTimeOut` callback will be triggered\n // (if loading is still not finished after that delay)\n timeout: number\n // Delay between an I/O error and following connection retry (ms).\n // This to avoid spamming the server\n retryDelay: number\n // max connection retry delay (ms)\n maxRetryDelay: number\n}\n\nexport interface LoaderResponse {\n url: string,\n // TODO(jstackhouse): SharedArrayBuffer, es2017 extension to TS\n data: string | ArrayBuffer\n}\n\nexport interface LoaderStats {\n // performance.now() just after load() has been called\n trequest: number\n // performance.now() of first received byte\n tfirst: number\n // performance.now() on load complete\n tload: number\n // performance.now() on parse completion\n tparsed: number\n // number of loaded bytes\n loaded: number\n // total number of bytes\n total: number\n}\n\ntype LoaderOnSuccess < T extends LoaderContext > = (\n response: LoaderResponse,\n stats: LoaderStats,\n context: T,\n networkDetails: any\n) => void;\n\ntype LoaderOnProgress < T extends LoaderContext > = (\n stats: LoaderStats,\n context: T,\n data: string | ArrayBuffer,\n networkDetails: any,\n) => void;\n\ntype LoaderOnError < T extends LoaderContext > = (\n error: {\n // error status code\n code: number,\n // error description\n text: string,\n },\n context: T,\n networkDetails: any,\n) => void;\n\ntype LoaderOnTimeout < T extends LoaderContext > = (\n stats: LoaderStats,\n context: T,\n) => void;\n\nexport interface LoaderCallbacks<T extends LoaderContext>{\n onSuccess: LoaderOnSuccess<T>,\n onError: LoaderOnError<T>,\n onTimeout: LoaderOnTimeout<T>,\n onProgress?: LoaderOnProgress<T>,\n}\n\nexport interface Loader<T extends LoaderContext> {\n destroy(): void\n abort(): void\n load(\n context: LoaderContext,\n config: LoaderConfiguration,\n callbacks: LoaderCallbacks<T>,\n ): void\n\n context: T\n}\n\n/**\n * `type` property values for this loaders' context object\n * @enum\n *\n */\nexport enum PlaylistContextType {\n MANIFEST = 'manifest',\n LEVEL = 'level',\n AUDIO_TRACK = 'audioTrack',\n SUBTITLE_TRACK= 'subtitleTrack'\n}\n\n/**\n * @enum {string}\n */\nexport enum PlaylistLevelType {\n MAIN = 'main',\n AUDIO = 'audio',\n SUBTITLE = 'subtitle'\n}\n\nexport interface PlaylistLoaderContext extends LoaderContext {\n loader?: Loader<PlaylistLoaderContext>\n\n type: PlaylistContextType\n // the level index to load\n level: number | null\n // TODO: what is id?\n id: number | null\n // defines if the loader is handling a sidx request for the playlist\n isSidxRequest?: boolean\n // internal reprsentation of a parsed m3u8 level playlist\n levelDetails?: Level\n}\n","/*\n*\n* All objects in the event handling chain should inherit from this class\n*\n*/\n\nimport { logger } from './utils/logger';\nimport { ErrorTypes, ErrorDetails } from './errors';\nimport Event from './events';\nimport Hls from './hls';\n\nconst FORBIDDEN_EVENT_NAMES = {\n 'hlsEventGeneric': true,\n 'hlsHandlerDestroying': true,\n 'hlsHandlerDestroyed': true\n};\n\nclass EventHandler {\n hls: Hls;\n handledEvents: any[];\n useGenericHandler: boolean;\n\n constructor (hls: Hls, ...events: any[]) {\n this.hls = hls;\n this.onEvent = this.onEvent.bind(this);\n this.handledEvents = events;\n this.useGenericHandler = true;\n\n this.registerListeners();\n }\n\n destroy () {\n this.onHandlerDestroying();\n this.unregisterListeners();\n this.onHandlerDestroyed();\n }\n\n protected onHandlerDestroying () {}\n protected onHandlerDestroyed () {}\n\n isEventHandler () {\n return typeof this.handledEvents === 'object' && this.handledEvents.length && typeof this.onEvent === 'function';\n }\n\n registerListeners () {\n if (this.isEventHandler()) {\n this.handledEvents.forEach(function (event) {\n if (FORBIDDEN_EVENT_NAMES[event]) {\n throw new Error('Forbidden event-name: ' + event);\n }\n\n this.hls.on(event, this.onEvent);\n }, this);\n }\n }\n\n unregisterListeners () {\n if (this.isEventHandler()) {\n this.handledEvents.forEach(function (event) {\n this.hls.off(event, this.onEvent);\n }, this);\n }\n }\n\n /**\n * arguments: event (string), data (any)\n */\n onEvent (event: string, data: any) {\n this.onEventGeneric(event, data);\n }\n\n onEventGeneric (event: string, data: any) {\n let eventToFunction = function (event: string, data: any) {\n let funcName = 'on' + event.replace('hls', '');\n if (typeof this[funcName] !== 'function') {\n throw new Error(`Event ${event} has no generic handler in this ${this.constructor.name} class (tried ${funcName})`);\n }\n\n return this[funcName].bind(this, data);\n };\n try {\n eventToFunction.call(this, event, data).call();\n } catch (err) {\n logger.error(`An internal error happened while handling event ${event}. Error message: \"${err.message}\". Here is a stacktrace:`, err);\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.OTHER_ERROR, details: ErrorDetails.INTERNAL_EXCEPTION, fatal: false, event: event, err: err });\n }\n }\n}\n\nexport default EventHandler;\n","\nimport { buildAbsoluteURL } from 'url-toolkit';\nimport { logger } from '../utils/logger';\nimport LevelKey from './level-key';\nimport { PlaylistLevelType } from '../types/loader';\n\nexport enum ElementaryStreamTypes {\n AUDIO = 'audio',\n VIDEO = 'video',\n}\n\nexport default class Fragment {\n private _url: string | null = null;\n private _byteRange: number[] | null = null;\n private _decryptdata: LevelKey | null = null;\n\n // Holds the types of data this fragment supports\n private _elementaryStreams: Record<ElementaryStreamTypes, boolean> = {\n [ElementaryStreamTypes.AUDIO]: false,\n [ElementaryStreamTypes.VIDEO]: false\n };\n\n // deltaPTS tracks the change in presentation timestamp between fragments\n public deltaPTS: number = 0;\n\n public rawProgramDateTime: string | null = null;\n public programDateTime: number | null = null;\n public title: string | null = null;\n public tagList: Array<string[]> = [];\n\n // TODO: Move at least baseurl to constructor.\n // Currently we do a two-pass construction as use the Fragment class almost like a object for holding parsing state.\n // It may make more sense to just use a POJO to keep state during the parsing phase.\n // Have Fragment be the representation once we have a known state?\n // Something to think on.\n\n // Discontinuity Counter\n public cc!: number;\n\n public type!: PlaylistLevelType;\n // relurl is the portion of the URL that comes from inside the playlist.\n public relurl!: string;\n // baseurl is the URL to the playlist\n public baseurl!: string;\n // EXTINF has to be present for a m3u8 to be considered valid\n public duration!: number;\n // When this segment starts in the timeline\n public start!: number;\n // sn notates the sequence number for a segment, and if set to a string can be 'initSegment'\n public sn: number | 'initSegment' = 0;\n\n public urlId: number = 0;\n // level matches this fragment to a index playlist\n public level: number = 0;\n // levelkey is the EXT-X-KEY that applies to this segment for decryption\n // core difference from the private field _decryptdata is the lack of the initialized IV\n // _decryptdata will set the IV for this segment based on the segment number in the fragment\n public levelkey?: LevelKey;\n\n // TODO(typescript-xhrloader)\n public loader: any;\n\n // setByteRange converts a EXT-X-BYTERANGE attribute into a two element array\n setByteRange (value: string, previousFrag?: Fragment) {\n const params = value.split('@', 2);\n const byteRange: number[] = [];\n if (params.length === 1) {\n byteRange[0] = previousFrag ? previousFrag.byteRangeEndOffset : 0;\n } else {\n byteRange[0] = parseInt(params[1]);\n }\n byteRange[1] = parseInt(params[0]) + byteRange[0];\n this._byteRange = byteRange;\n }\n\n get url () {\n if (!this._url && this.relurl) {\n this._url = buildAbsoluteURL(this.baseurl, this.relurl, { alwaysNormalize: true });\n }\n\n return this._url;\n }\n\n set url (value) {\n this._url = value;\n }\n\n get byteRange (): number[] {\n if (!this._byteRange) {\n return [];\n }\n\n return this._byteRange;\n }\n\n /**\n * @type {number}\n */\n get byteRangeStartOffset () {\n return this.byteRange[0];\n }\n\n get byteRangeEndOffset () {\n return this.byteRange[1];\n }\n\n get decryptdata (): LevelKey | null {\n if (!this.levelkey && !this._decryptdata) {\n return null;\n }\n\n if (!this._decryptdata && this.levelkey) {\n let sn = this.sn;\n if (typeof sn !== 'number') {\n // We are fetching decryption data for a initialization segment\n // If the segment was encrypted with AES-128\n // It must have an IV defined. We cannot substitute the Segment Number in.\n if (this.levelkey && this.levelkey.method === 'AES-128' && !this.levelkey.iv) {\n logger.warn(`missing IV for initialization segment with method=\"${this.levelkey.method}\" - compliance issue`);\n }\n\n /*\n Be converted to a Number.\n 'initSegment' will become NaN.\n NaN, which when converted through ToInt32() -> +0.\n ---\n Explicitly set sn to resulting value from implicit conversions 'initSegment' values for IV generation.\n */\n sn = 0;\n }\n this._decryptdata = this.setDecryptDataFromLevelKey(this.levelkey, sn);\n }\n\n return this._decryptdata;\n }\n\n get endProgramDateTime () {\n if (this.programDateTime === null) {\n return null;\n }\n\n if (!Number.isFinite(this.programDateTime)) {\n return null;\n }\n\n let duration = !Number.isFinite(this.duration) ? 0 : this.duration;\n\n return this.programDateTime + (duration * 1000);\n }\n\n get encrypted () {\n return !!((this.decryptdata && this.decryptdata.uri !== null) && (this.decryptdata.key === null));\n }\n\n /**\n * @param {ElementaryStreamTypes} type\n */\n addElementaryStream (type: ElementaryStreamTypes) {\n this._elementaryStreams[type] = true;\n }\n\n /**\n * @param {ElementaryStreamTypes} type\n */\n hasElementaryStream (type: ElementaryStreamTypes) {\n return this._elementaryStreams[type] === true;\n }\n\n /**\n * Utility method for parseLevelPlaylist to create an initialization vector for a given segment\n * @param {number} segmentNumber - segment number to generate IV with\n * @returns {Uint8Array}\n */\n createInitializationVector (segmentNumber: number): Uint8Array {\n let uint8View = new Uint8Array(16);\n\n for (let i = 12; i < 16; i++) {\n uint8View[i] = (segmentNumber >> 8 * (15 - i)) & 0xff;\n }\n\n return uint8View;\n }\n\n /**\n * Utility method for parseLevelPlaylist to get a fragment's decryption data from the currently parsed encryption key data\n * @param levelkey - a playlist's encryption info\n * @param segmentNumber - the fragment's segment number\n * @returns {LevelKey} - an object to be applied as a fragment's decryptdata\n */\n setDecryptDataFromLevelKey (levelkey: LevelKey, segmentNumber: number): LevelKey {\n let decryptdata = levelkey;\n\n if (levelkey && levelkey.method && levelkey.uri && !levelkey.iv) {\n decryptdata = new LevelKey(levelkey.baseuri, levelkey.reluri);\n decryptdata.method = levelkey.method;\n decryptdata.iv = this.createInitializationVector(segmentNumber);\n }\n\n return decryptdata;\n }\n}\n","import { buildAbsoluteURL } from 'url-toolkit';\n\nexport default class LevelKey {\n private _uri: string | null = null;\n\n public baseuri: string;\n public reluri: string;\n public method: string | null = null;\n public key: Uint8Array | null = null;\n public iv: Uint8Array | null = null;\n\n constructor (baseURI: string, relativeURI: string) {\n this.baseuri = baseURI;\n this.reluri = relativeURI;\n }\n\n get uri () {\n if (!this._uri && this.reluri) {\n this._uri = buildAbsoluteURL(this.baseuri, this.reluri, { alwaysNormalize: true });\n }\n\n return this._uri;\n }\n}\n","export default class Level {\n constructor (baseUrl) {\n // Please keep properties in alphabetical order\n this.endCC = 0;\n this.endSN = 0;\n this.fragments = [];\n this.initSegment = null;\n this.live = true;\n this.needSidxRanges = false;\n this.startCC = 0;\n this.startSN = 0;\n this.startTimeOffset = null;\n this.targetduration = 0;\n this.totalduration = 0;\n this.type = null;\n this.url = baseUrl;\n this.version = null;\n }\n\n get hasProgramDateTime () {\n return !!(this.fragments[0] && Number.isFinite(this.fragments[0].programDateTime));\n }\n}\n","const DECIMAL_RESOLUTION_REGEX = /^(\\d+)x(\\d+)$/; // eslint-disable-line no-useless-escape\nconst ATTR_LIST_REGEX = /\\s*(.+?)\\s*=((?:\\\".*?\\\")|.*?)(?:,|$)/g; // eslint-disable-line no-useless-escape\n\n// adapted from https://github.com/kanongil/node-m3u8parse/blob/master/attrlist.js\nclass AttrList {\n constructor (attrs) {\n if (typeof attrs === 'string') {\n attrs = AttrList.parseAttrList(attrs);\n }\n\n for (let attr in attrs) {\n if (attrs.hasOwnProperty(attr)) {\n this[attr] = attrs[attr];\n }\n }\n }\n\n decimalInteger (attrName) {\n const intValue = parseInt(this[attrName], 10);\n if (intValue > Number.MAX_SAFE_INTEGER) {\n return Infinity;\n }\n\n return intValue;\n }\n\n hexadecimalInteger (attrName) {\n if (this[attrName]) {\n let stringValue = (this[attrName] || '0x').slice(2);\n stringValue = ((stringValue.length & 1) ? '0' : '') + stringValue;\n\n const value = new Uint8Array(stringValue.length / 2);\n for (let i = 0; i < stringValue.length / 2; i++) {\n value[i] = parseInt(stringValue.slice(i * 2, i * 2 + 2), 16);\n }\n\n return value;\n } else {\n return null;\n }\n }\n\n hexadecimalIntegerAsNumber (attrName) {\n const intValue = parseInt(this[attrName], 16);\n if (intValue > Number.MAX_SAFE_INTEGER) {\n return Infinity;\n }\n\n return intValue;\n }\n\n decimalFloatingPoint (attrName) {\n return parseFloat(this[attrName]);\n }\n\n enumeratedString (attrName) {\n return this[attrName];\n }\n\n decimalResolution (attrName) {\n const res = DECIMAL_RESOLUTION_REGEX.exec(this[attrName]);\n if (res === null) {\n return undefined;\n }\n\n return {\n width: parseInt(res[1], 10),\n height: parseInt(res[2], 10)\n };\n }\n\n static parseAttrList (input) {\n let match, attrs = {};\n ATTR_LIST_REGEX.lastIndex = 0;\n while ((match = ATTR_LIST_REGEX.exec(input)) !== null) {\n let value = match[2], quote = '\"';\n\n if (value.indexOf(quote) === 0 &&\n value.lastIndexOf(quote) === (value.length - 1)) {\n value = value.slice(1, -1);\n }\n\n attrs[match[1]] = value;\n }\n return attrs;\n }\n}\n\nexport default AttrList;\n","// from http://mp4ra.org/codecs.html\nconst sampleEntryCodesISO = {\n audio: {\n 'a3ds': true,\n 'ac-3': true,\n 'ac-4': true,\n 'alac': true,\n 'alaw': true,\n 'dra1': true,\n 'dts+': true,\n 'dts-': true,\n 'dtsc': true,\n 'dtse': true,\n 'dtsh': true,\n 'ec-3': true,\n 'enca': true,\n 'g719': true,\n 'g726': true,\n 'm4ae': true,\n 'mha1': true,\n 'mha2': true,\n 'mhm1': true,\n 'mhm2': true,\n 'mlpa': true,\n 'mp4a': true,\n 'raw ': true,\n 'Opus': true,\n 'samr': true,\n 'sawb': true,\n 'sawp': true,\n 'sevc': true,\n 'sqcp': true,\n 'ssmv': true,\n 'twos': true,\n 'ulaw': true\n },\n video: {\n 'avc1': true,\n 'avc2': true,\n 'avc3': true,\n 'avc4': true,\n 'avcp': true,\n 'drac': true,\n 'dvav': true,\n 'dvhe': true,\n 'encv': true,\n 'hev1': true,\n 'hvc1': true,\n 'mjp2': true,\n 'mp4v': true,\n 'mvc1': true,\n 'mvc2': true,\n 'mvc3': true,\n 'mvc4': true,\n 'resv': true,\n 'rv60': true,\n 's263': true,\n 'svc1': true,\n 'svc2': true,\n 'vc-1': true,\n 'vp08': true,\n 'vp09': true\n }\n};\n\nexport type CodecType = 'audio' | 'video';\n\nfunction isCodecType (codec: string, type: CodecType): boolean {\n const typeCodes = sampleEntryCodesISO[type];\n return !!typeCodes && typeCodes[codec.slice(0, 4)] === true;\n}\n\nfunction isCodecSupportedInMp4 (codec: string, type: CodecType): boolean {\n return MediaSource.isTypeSupported(`${type || 'video'}/mp4;codecs=\"${codec}\"`);\n}\n\nexport { isCodecType, isCodecSupportedInMp4 };\n","import * as URLToolkit from 'url-toolkit';\n\nimport Fragment from './fragment';\nimport Level from './level';\nimport LevelKey from './level-key';\n\nimport AttrList from '../utils/attr-list';\nimport { logger } from '../utils/logger';\nimport { isCodecType, CodecType } from '../utils/codecs';\nimport { MediaPlaylist, AudioGroup, MediaPlaylistType } from '../types/media-playlist';\nimport { PlaylistLevelType } from '../types/loader';\n\n/**\n * M3U8 parser\n * @module\n */\n\n// https://regex101.com is your friend\nconst MASTER_PLAYLIST_REGEX = /#EXT-X-STREAM-INF:([^\\n\\r]*)[\\r\\n]+([^\\r\\n]+)/g;\nconst MASTER_PLAYLIST_MEDIA_REGEX = /#EXT-X-MEDIA:(.*)/g;\n\nconst LEVEL_PLAYLIST_REGEX_FAST = new RegExp([\n /#EXTINF:\\s*(\\d*(?:\\.\\d+)?)(?:,(.*)\\s+)?/.source, // duration (#EXTINF:<duration>,<title>), group 1 => duration, group 2 => title\n /|(?!#)([\\S+ ?]+)/.source, // segment URI, group 3 => the URI (note newline is not eaten)\n /|#EXT-X-BYTERANGE:*(.+)/.source, // next segment's byterange, group 4 => range spec (x@y)\n /|#EXT-X-PROGRAM-DATE-TIME:(.+)/.source, // next segment's program date/time group 5 => the datetime spec\n /|#.*/.source // All other non-segment oriented tags will match with all groups empty\n].join(''), 'g');\n\nconst LEVEL_PLAYLIST_REGEX_SLOW = /(?:(?:#(EXTM3U))|(?:#EXT-X-(PLAYLIST-TYPE):(.+))|(?:#EXT-X-(MEDIA-SEQUENCE): *(\\d+))|(?:#EXT-X-(TARGETDURATION): *(\\d+))|(?:#EXT-X-(KEY):(.+))|(?:#EXT-X-(START):(.+))|(?:#EXT-X-(ENDLIST))|(?:#EXT-X-(DISCONTINUITY-SEQ)UENCE:(\\d+))|(?:#EXT-X-(DIS)CONTINUITY))|(?:#EXT-X-(VERSION):(\\d+))|(?:#EXT-X-(MAP):(.+))|(?:(#)([^:]*):(.*))|(?:(#)(.*))(?:.*)\\r?\\n?/;\n\nconst MP4_REGEX_SUFFIX = /\\.(mp4|m4s|m4v|m4a)$/i;\n\nexport default class M3U8Parser {\n static findGroup (groups: Array<AudioGroup>, mediaGroupId: string): AudioGroup | undefined {\n for (let i = 0; i < groups.length; i++) {\n const group = groups[i];\n if (group.id === mediaGroupId) {\n return group;\n }\n }\n }\n\n static convertAVC1ToAVCOTI (codec) {\n let avcdata = codec.split('.');\n let result;\n if (avcdata.length > 2) {\n result = avcdata.shift() + '.';\n result += parseInt(avcdata.shift()).toString(16);\n result += ('000' + parseInt(avcdata.shift()).toString(16)).substr(-4);\n } else {\n result = codec;\n }\n return result;\n }\n\n static resolve (url, baseUrl) {\n return URLToolkit.buildAbsoluteURL(baseUrl, url, { alwaysNormalize: true });\n }\n\n static parseMasterPlaylist (string: string, baseurl: string) {\n // TODO(typescript-level)\n let levels: Array<any> = [];\n MASTER_PLAYLIST_REGEX.lastIndex = 0;\n\n // TODO(typescript-level)\n function setCodecs (codecs: Array<string>, level: any) {\n ['video', 'audio'].forEach((type: CodecType) => {\n const filtered = codecs.filter((codec) => isCodecType(codec, type));\n if (filtered.length) {\n const preferred = filtered.filter((codec) => {\n return codec.lastIndexOf('avc1', 0) === 0 || codec.lastIndexOf('mp4a', 0) === 0;\n });\n level[`${type}Codec`] = preferred.length > 0 ? preferred[0] : filtered[0];\n\n // remove from list\n codecs = codecs.filter((codec) => filtered.indexOf(codec) === -1);\n }\n });\n\n level.unknownCodecs = codecs;\n }\n\n let result: RegExpExecArray | null;\n while ((result = MASTER_PLAYLIST_REGEX.exec(string)) != null) {\n // TODO(typescript-level)\n const level: any = {};\n\n const attrs = level.attrs = new AttrList(result[1]);\n level.url = M3U8Parser.resolve(result[2], baseurl);\n\n const resolution = attrs.decimalResolution('RESOLUTION');\n if (resolution) {\n level.width = resolution.width;\n level.height = resolution.height;\n }\n level.bitrate = attrs.decimalInteger('AVERAGE-BANDWIDTH') || attrs.decimalInteger('BANDWIDTH');\n level.name = attrs.NAME;\n\n setCodecs([].concat((attrs.CODECS || '').split(/[ ,]+/)), level);\n\n if (level.videoCodec && level.videoCodec.indexOf('avc1') !== -1) {\n level.videoCodec = M3U8Parser.convertAVC1ToAVCOTI(level.videoCodec);\n }\n\n levels.push(level);\n }\n return levels;\n }\n\n static parseMasterPlaylistMedia (string: string, baseurl: string, type: MediaPlaylistType, audioGroups: Array<AudioGroup> = []): Array<MediaPlaylist> {\n let result: RegExpExecArray | null;\n let medias: Array<MediaPlaylist> = [];\n let id = 0;\n MASTER_PLAYLIST_MEDIA_REGEX.lastIndex = 0;\n while ((result = MASTER_PLAYLIST_MEDIA_REGEX.exec(string)) !== null) {\n const attrs = new AttrList(result[1]);\n if (attrs.TYPE === type) {\n const media: MediaPlaylist = {\n id: id++,\n groupId: attrs['GROUP-ID'],\n name: attrs.NAME || attrs.LANGUAGE,\n type,\n default: (attrs.DEFAULT === 'YES'),\n autoselect: (attrs.AUTOSELECT === 'YES'),\n forced: (attrs.FORCED === 'YES'),\n lang: attrs.LANGUAGE\n };\n\n if (attrs.URI) {\n media.url = M3U8Parser.resolve(attrs.URI, baseurl);\n }\n\n if (audioGroups.length) {\n // If there are audio groups signalled in the manifest, let's look for a matching codec string for this track\n const groupCodec = M3U8Parser.findGroup(audioGroups, media.groupId as string);\n\n // If we don't find the track signalled, lets use the first audio groups codec we have\n // Acting as a best guess\n media.audioCodec = groupCodec ? groupCodec.codec : audioGroups[0].codec;\n }\n\n medias.push(media);\n }\n }\n return medias;\n }\n\n static parseLevelPlaylist (string: string, baseurl: string, id: number, type: PlaylistLevelType, levelUrlId: number) {\n let currentSN = 0;\n let totalduration = 0;\n let level = new Level(baseurl);\n let discontinuityCounter = 0;\n let prevFrag: Fragment | null = null;\n let frag: Fragment | null = new Fragment();\n let result: RegExpExecArray | RegExpMatchArray | null;\n let i: number;\n let levelkey: LevelKey | undefined;\n\n let firstPdtIndex = null;\n\n LEVEL_PLAYLIST_REGEX_FAST.lastIndex = 0;\n\n while ((result = LEVEL_PLAYLIST_REGEX_FAST.exec(string)) !== null) {\n const duration = result[1];\n if (duration) { // INF\n frag.duration = parseFloat(duration);\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n const title = (' ' + result[2]).slice(1);\n frag.title = title || null;\n frag.tagList.push(title ? [ 'INF', duration, title ] : [ 'INF', duration ]);\n } else if (result[3]) { // url\n if (Number.isFinite(frag.duration)) {\n const sn = currentSN++;\n frag.type = type;\n frag.start = totalduration;\n if (levelkey) {\n frag.levelkey = levelkey;\n }\n frag.sn = sn;\n frag.level = id;\n frag.cc = discontinuityCounter;\n frag.urlId = levelUrlId;\n frag.baseurl = baseurl;\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n frag.relurl = (' ' + result[3]).slice(1);\n assignProgramDateTime(frag, prevFrag);\n\n level.fragments.push(frag);\n prevFrag = frag;\n totalduration += frag.duration;\n\n frag = new Fragment();\n }\n } else if (result[4]) { // X-BYTERANGE\n const data = (' ' + result[4]).slice(1);\n if (prevFrag) {\n frag.setByteRange(data, prevFrag);\n } else {\n frag.setByteRange(data);\n }\n } else if (result[5]) { // PROGRAM-DATE-TIME\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n frag.rawProgramDateTime = (' ' + result[5]).slice(1);\n frag.tagList.push(['PROGRAM-DATE-TIME', frag.rawProgramDateTime]);\n if (firstPdtIndex === null) {\n firstPdtIndex = level.fragments.length;\n }\n } else {\n result = result[0].match(LEVEL_PLAYLIST_REGEX_SLOW);\n if (!result) {\n logger.warn('No matches on slow regex match for level playlist!');\n continue;\n }\n for (i = 1; i < result.length; i++) {\n if (typeof result[i] !== 'undefined') {\n break;\n }\n }\n\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n const value1 = (' ' + result[i + 1]).slice(1);\n const value2 = (' ' + result[i + 2]).slice(1);\n\n switch (result[i]) {\n case '#':\n frag.tagList.push(value2 ? [ value1, value2 ] : [ value1 ]);\n break;\n case 'PLAYLIST-TYPE':\n level.type = value1.toUpperCase();\n break;\n case 'MEDIA-SEQUENCE':\n currentSN = level.startSN = parseInt(value1);\n break;\n case 'TARGETDURATION':\n level.targetduration = parseFloat(value1);\n break;\n case 'VERSION':\n level.version = parseInt(value1);\n break;\n case 'EXTM3U':\n break;\n case 'ENDLIST':\n level.live = false;\n break;\n case 'DIS':\n discontinuityCounter++;\n frag.tagList.push(['DIS']);\n break;\n case 'DISCONTINUITY-SEQ':\n discontinuityCounter = parseInt(value1);\n break;\n case 'KEY': {\n // https://tools.ietf.org/html/draft-pantos-http-live-streaming-08#section-3.4.4\n const decryptparams = value1;\n const keyAttrs = new AttrList(decryptparams);\n const decryptmethod = keyAttrs.enumeratedString('METHOD');\n const decrypturi = keyAttrs.URI;\n const decryptiv = keyAttrs.hexadecimalInteger('IV');\n\n if (decryptmethod) {\n levelkey = new LevelKey(baseurl, decrypturi);\n if ((decrypturi) && (['AES-128', 'SAMPLE-AES', 'SAMPLE-AES-CENC'].indexOf(decryptmethod) >= 0)) {\n levelkey.method = decryptmethod;\n levelkey.key = null;\n // Initialization Vector (IV)\n levelkey.iv = decryptiv;\n }\n }\n break;\n }\n case 'START': {\n const startAttrs = new AttrList(value1);\n const startTimeOffset = startAttrs.decimalFloatingPoint('TIME-OFFSET');\n // TIME-OFFSET can be 0\n if (Number.isFinite(startTimeOffset)) {\n level.startTimeOffset = startTimeOffset;\n }\n break;\n }\n case 'MAP': {\n const mapAttrs = new AttrList(value1);\n frag.relurl = mapAttrs.URI;\n if (mapAttrs.BYTERANGE) {\n frag.setByteRange(mapAttrs.BYTERANGE);\n }\n frag.baseurl = baseurl;\n frag.level = id;\n frag.type = type;\n frag.sn = 'initSegment';\n level.initSegment = frag;\n frag = new Fragment();\n frag.rawProgramDateTime = level.initSegment.rawProgramDateTime;\n break;\n }\n default:\n logger.warn(`line parsed but not handled: ${result}`);\n break;\n }\n }\n }\n frag = prevFrag;\n // logger.log('found ' + level.fragments.length + ' fragments');\n if (frag && !frag.relurl) {\n level.fragments.pop();\n totalduration -= frag.duration;\n }\n level.totalduration = totalduration;\n level.averagetargetduration = totalduration / level.fragments.length;\n level.endSN = currentSN - 1;\n level.startCC = level.fragments[0] ? level.fragments[0].cc : 0;\n level.endCC = discontinuityCounter;\n\n if (!level.initSegment && level.fragments.length) {\n // this is a bit lurky but HLS really has no other way to tell us\n // if the fragments are TS or MP4, except if we download them :/\n // but this is to be able to handle SIDX.\n if (level.fragments.every((frag) => MP4_REGEX_SUFFIX.test(frag.relurl))) {\n logger.warn('MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX');\n\n frag = new Fragment();\n frag.relurl = level.fragments[0].relurl;\n frag.baseurl = baseurl;\n frag.level = id;\n frag.type = type;\n frag.sn = 'initSegment';\n\n level.initSegment = frag;\n level.needSidxRanges = true;\n }\n }\n\n /**\n * Backfill any missing PDT values\n \"If the first EXT-X-PROGRAM-DATE-TIME tag in a Playlist appears after\n one or more Media Segment URIs, the client SHOULD extrapolate\n backward from that tag (using EXTINF durations and/or media\n timestamps) to associate dates with those segments.\"\n * We have already extrapolated forward, but all fragments up to the first instance of PDT do not have their PDTs\n * computed.\n */\n if (firstPdtIndex) {\n backfillProgramDateTimes(level.fragments, firstPdtIndex);\n }\n\n return level;\n }\n}\n\nfunction backfillProgramDateTimes (fragments, startIndex) {\n let fragPrev = fragments[startIndex];\n for (let i = startIndex - 1; i >= 0; i--) {\n const frag = fragments[i];\n frag.programDateTime = fragPrev.programDateTime - (frag.duration * 1000);\n fragPrev = frag;\n }\n}\n\nfunction assignProgramDateTime (frag, prevFrag) {\n if (frag.rawProgramDateTime) {\n frag.programDateTime = Date.parse(frag.rawProgramDateTime);\n } else if (prevFrag && prevFrag.programDateTime) {\n frag.programDateTime = prevFrag.endProgramDateTime;\n }\n\n if (!Number.isFinite(frag.programDateTime)) {\n frag.programDateTime = null;\n frag.rawProgramDateTime = null;\n }\n}\n","/**\n * PlaylistLoader - delegate for media manifest/playlist loading tasks. Takes care of parsing media to internal data-models.\n *\n * Once loaded, dispatches events with parsed data-models of manifest/levels/audio/subtitle tracks.\n *\n * Uses loader(s) set in config to do actual internal loading of resource tasks.\n *\n * @module\n *\n */\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport { Loader, PlaylistContextType, PlaylistLoaderContext, PlaylistLevelType, LoaderCallbacks, LoaderResponse, LoaderStats, LoaderConfiguration } from '../types/loader';\nimport MP4Demuxer from '../demux/mp4demuxer';\nimport M3U8Parser from './m3u8-parser';\nimport { AudioGroup } from '../types/media-playlist';\n\nconst { performance } = window;\n\n/**\n * @constructor\n */\nclass PlaylistLoader extends EventHandler {\n private loaders: Partial<Record<PlaylistContextType, Loader<PlaylistLoaderContext>>> = {};\n\n /**\n * @constructs\n * @param {Hls} hls\n */\n constructor (hls) {\n super(hls,\n Event.MANIFEST_LOADING,\n Event.LEVEL_LOADING,\n Event.AUDIO_TRACK_LOADING,\n Event.SUBTITLE_TRACK_LOADING);\n }\n\n /**\n * @param {PlaylistContextType} type\n * @returns {boolean}\n */\n static canHaveQualityLevels (type: PlaylistContextType): boolean {\n return (type !== PlaylistContextType.AUDIO_TRACK &&\n type !== PlaylistContextType.SUBTITLE_TRACK);\n }\n\n /**\n * Map context.type to LevelType\n * @param {PlaylistLoaderContext} context\n * @returns {LevelType}\n */\n static mapContextToLevelType (context: PlaylistLoaderContext): PlaylistLevelType {\n const { type } = context;\n\n switch (type) {\n case PlaylistContextType.AUDIO_TRACK:\n return PlaylistLevelType.AUDIO;\n case PlaylistContextType.SUBTITLE_TRACK:\n return PlaylistLevelType.SUBTITLE;\n default:\n return PlaylistLevelType.MAIN;\n }\n }\n\n static getResponseUrl (response: LoaderResponse, context: PlaylistLoaderContext): string {\n let url = response.url;\n // responseURL not supported on some browsers (it is used to detect URL redirection)\n // data-uri mode also not supported (but no need to detect redirection)\n if (url === undefined || url.indexOf('data:') === 0) {\n // fallback to initial URL\n url = context.url;\n }\n return url;\n }\n\n /**\n * Returns defaults or configured loader-type overloads (pLoader and loader config params)\n * Default loader is XHRLoader (see utils)\n * @param {PlaylistLoaderContext} context\n * @returns {Loader} or other compatible configured overload\n */\n createInternalLoader (context: PlaylistLoaderContext): Loader<PlaylistLoaderContext> {\n const config = this.hls.config;\n const PLoader = config.pLoader;\n const Loader = config.loader;\n // TODO(typescript-config): Verify once config is typed that InternalLoader always returns a Loader\n const InternalLoader = PLoader || Loader;\n\n const loader = new InternalLoader(config);\n\n // TODO - Do we really need to assign the instance or if the dep has been lost\n context.loader = loader;\n this.loaders[context.type] = loader;\n\n return loader;\n }\n\n getInternalLoader (context: PlaylistLoaderContext): Loader<PlaylistLoaderContext> | undefined {\n return this.loaders[context.type];\n }\n\n resetInternalLoader (contextType: PlaylistContextType) {\n if (this.loaders[contextType]) {\n delete this.loaders[contextType];\n }\n }\n\n /**\n * Call `destroy` on all internal loader instances mapped (one per context type)\n */\n destroyInternalLoaders () {\n for (let contextType in this.loaders) {\n let loader = this.loaders[contextType];\n if (loader) {\n loader.destroy();\n }\n\n this.resetInternalLoader(contextType as PlaylistContextType);\n }\n }\n\n destroy () {\n this.destroyInternalLoaders();\n\n super.destroy();\n }\n\n onManifestLoading (data: { url: string; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.MANIFEST,\n level: 0,\n id: null,\n responseType: 'text'\n });\n }\n\n onLevelLoading (data: { url: string; level: number | null; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.LEVEL,\n level: data.level,\n id: data.id,\n responseType: 'text'\n });\n }\n\n onAudioTrackLoading (data: { url: string; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.AUDIO_TRACK,\n level: null,\n id: data.id,\n responseType: 'text'\n });\n }\n\n onSubtitleTrackLoading (data: { url: string; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.SUBTITLE_TRACK,\n level: null,\n id: data.id,\n responseType: 'text'\n });\n }\n\n load (context: PlaylistLoaderContext): boolean {\n const config = this.hls.config;\n\n logger.debug(`Loading playlist of type ${context.type}, level: ${context.level}, id: ${context.id}`);\n\n // Check if a loader for this context already exists\n let loader = this.getInternalLoader(context);\n if (loader) {\n const loaderContext = loader.context;\n if (loaderContext && loaderContext.url === context.url) { // same URL can't overlap\n logger.trace('playlist request ongoing');\n return false;\n } else {\n logger.warn(`aborting previous loader for type: ${context.type}`);\n loader.abort();\n }\n }\n\n let maxRetry: number;\n let timeout: number;\n let retryDelay: number;\n let maxRetryDelay: number;\n\n // apply different configs for retries depending on\n // context (manifest, level, audio/subs playlist)\n switch (context.type) {\n case PlaylistContextType.MANIFEST:\n maxRetry = config.manifestLoadingMaxRetry;\n timeout = config.manifestLoadingTimeOut;\n retryDelay = config.manifestLoadingRetryDelay;\n maxRetryDelay = config.manifestLoadingMaxRetryTimeout;\n break;\n case PlaylistContextType.LEVEL:\n // Disable internal loader retry logic, since we are managing retries in Level Controller\n maxRetry = 0;\n maxRetryDelay = 0;\n retryDelay = 0;\n timeout = config.levelLoadingTimeOut;\n // TODO Introduce retry settings for audio-track and subtitle-track, it should not use level retry config\n break;\n default:\n maxRetry = config.levelLoadingMaxRetry;\n timeout = config.levelLoadingTimeOut;\n retryDelay = config.levelLoadingRetryDelay;\n maxRetryDelay = config.levelLoadingMaxRetryTimeout;\n break;\n }\n\n loader = this.createInternalLoader(context);\n\n const loaderConfig: LoaderConfiguration = {\n timeout,\n maxRetry,\n retryDelay,\n maxRetryDelay\n };\n\n const loaderCallbacks: LoaderCallbacks<PlaylistLoaderContext> = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this)\n };\n\n logger.debug(`Calling internal loader delegate for URL: ${context.url}`);\n loader.load(context, loaderConfig, loaderCallbacks);\n\n return true;\n }\n\n loadsuccess (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown = null) {\n if (context.isSidxRequest) {\n this._handleSidxRequest(response, context);\n this._handlePlaylistLoaded(response, stats, context, networkDetails);\n return;\n }\n\n this.resetInternalLoader(context.type);\n if (typeof response.data !== 'string') {\n throw new Error('expected responseType of \"text\" for PlaylistLoader');\n }\n\n const string = response.data;\n\n stats.tload = performance.now();\n // stats.mtime = new Date(target.getResponseHeader('Last-Modified'));\n\n // Validate if it is an M3U8 at all\n if (string.indexOf('#EXTM3U') !== 0) {\n this._handleManifestParsingError(response, context, 'no EXTM3U delimiter', networkDetails);\n return;\n }\n\n // Check if chunk-list or master. handle empty chunk list case (first EXTINF not signaled, but TARGETDURATION present)\n if (string.indexOf('#EXTINF:') > 0 || string.indexOf('#EXT-X-TARGETDURATION:') > 0) {\n this._handleTrackOrLevelPlaylist(response, stats, context, networkDetails);\n } else {\n this._handleMasterPlaylist(response, stats, context, networkDetails);\n }\n }\n\n loaderror (response: LoaderResponse, context: PlaylistLoaderContext, networkDetails = null) {\n this._handleNetworkError(context, networkDetails, false, response);\n }\n\n loadtimeout (stats: LoaderStats, context: PlaylistLoaderContext, networkDetails = null) {\n this._handleNetworkError(context, networkDetails, true);\n }\n\n // TODO(typescript-config): networkDetails can currently be a XHR or Fetch impl,\n // but with custom loaders it could be generic investigate this further when config is typed\n _handleMasterPlaylist (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const hls = this.hls;\n const string = response.data as string;\n\n const url = PlaylistLoader.getResponseUrl(response, context);\n const levels = M3U8Parser.parseMasterPlaylist(string, url);\n if (!levels.length) {\n this._handleManifestParsingError(response, context, 'no level found in manifest', networkDetails);\n return;\n }\n\n // multi level playlist, parse level info\n const audioGroups: Array<AudioGroup> = levels.map(level => ({\n id: level.attrs.AUDIO,\n codec: level.audioCodec\n }));\n\n const audioTracks = M3U8Parser.parseMasterPlaylistMedia(string, url, 'AUDIO', audioGroups);\n const subtitles = M3U8Parser.parseMasterPlaylistMedia(string, url, 'SUBTITLES');\n\n if (audioTracks.length) {\n // check if we have found an audio track embedded in main playlist (audio track without URI attribute)\n let embeddedAudioFound = false;\n audioTracks.forEach(audioTrack => {\n if (!audioTrack.url) {\n embeddedAudioFound = true;\n }\n });\n\n // if no embedded audio track defined, but audio codec signaled in quality level,\n // we need to signal this main audio track this could happen with playlists with\n // alt audio rendition in which quality levels (main)\n // contains both audio+video. but with mixed audio track not signaled\n if (embeddedAudioFound === false && levels[0].audioCodec && !levels[0].attrs.AUDIO) {\n logger.log('audio codec signaled in quality level, but no embedded audio track signaled, create one');\n audioTracks.unshift({\n type: 'main',\n name: 'main',\n default: false,\n autoselect: false,\n forced: false,\n id: -1\n });\n }\n }\n\n hls.trigger(Event.MANIFEST_LOADED, {\n levels,\n audioTracks,\n subtitles,\n url,\n stats,\n networkDetails\n });\n }\n\n _handleTrackOrLevelPlaylist (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const hls = this.hls;\n\n const { id, level, type } = context;\n\n const url = PlaylistLoader.getResponseUrl(response, context);\n\n // if the values are null, they will result in the else conditional\n const levelUrlId = Number.isFinite(id as number) ? id as number : 0;\n const levelId = Number.isFinite(level as number) ? level as number : levelUrlId;\n\n const levelType = PlaylistLoader.mapContextToLevelType(context);\n const levelDetails = M3U8Parser.parseLevelPlaylist(response.data as string, url, levelId, levelType, levelUrlId);\n\n // set stats on level structure\n // TODO(jstackhouse): why? mixing concerns, is it just treated as value bag?\n (levelDetails as any).tload = stats.tload;\n\n // We have done our first request (Manifest-type) and receive\n // not a master playlist but a chunk-list (track/level)\n // We fire the manifest-loaded event anyway with the parsed level-details\n // by creating a single-level structure for it.\n if (type === PlaylistContextType.MANIFEST) {\n const singleLevel = {\n url,\n details: levelDetails\n };\n\n hls.trigger(Event.MANIFEST_LOADED, {\n levels: [singleLevel],\n audioTracks: [],\n url,\n stats,\n networkDetails\n });\n }\n\n // save parsing time\n stats.tparsed = performance.now();\n\n // in case we need SIDX ranges\n // return early after calling load for\n // the SIDX box.\n if (levelDetails.needSidxRanges) {\n const sidxUrl = levelDetails.initSegment.url;\n this.load({\n url: sidxUrl,\n isSidxRequest: true,\n type,\n level,\n levelDetails,\n id,\n rangeStart: 0,\n rangeEnd: 2048,\n responseType: 'arraybuffer'\n });\n return;\n }\n\n // extend the context with the new levelDetails property\n context.levelDetails = levelDetails;\n\n this._handlePlaylistLoaded(response, stats, context, networkDetails);\n }\n\n _handleSidxRequest (response: LoaderResponse, context: PlaylistLoaderContext) {\n if (typeof response.data === 'string') {\n throw new Error('sidx request must be made with responseType of array buffer');\n }\n\n const sidxInfo = MP4Demuxer.parseSegmentIndex(new Uint8Array(response.data));\n // if provided fragment does not contain sidx, early return\n if (!sidxInfo) {\n return;\n }\n const sidxReferences = sidxInfo.references;\n const levelDetails = context.levelDetails;\n sidxReferences.forEach((segmentRef, index) => {\n const segRefInfo = segmentRef.info;\n if (!levelDetails) {\n return;\n }\n const frag = levelDetails.fragments[index];\n if (frag.byteRange.length === 0) {\n frag.setByteRange(String(1 + segRefInfo.end - segRefInfo.start) + '@' + String(segRefInfo.start));\n }\n });\n\n if (levelDetails) {\n levelDetails.initSegment.setByteRange(String(sidxInfo.moovEndOffset) + '@0');\n }\n }\n\n _handleManifestParsingError (response: LoaderResponse, context: PlaylistLoaderContext, reason: string, networkDetails: unknown) {\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.NETWORK_ERROR,\n details: ErrorDetails.MANIFEST_PARSING_ERROR,\n fatal: true,\n url: response.url,\n reason,\n networkDetails\n });\n }\n\n _handleNetworkError (context: PlaylistLoaderContext, networkDetails: unknown, timeout: boolean = false, response: LoaderResponse | null = null) {\n logger.info(`A network error occured while loading a ${context.type}-type playlist`);\n\n let details;\n let fatal;\n\n const loader = this.getInternalLoader(context);\n\n switch (context.type) {\n case PlaylistContextType.MANIFEST:\n details = (timeout ? ErrorDetails.MANIFEST_LOAD_TIMEOUT : ErrorDetails.MANIFEST_LOAD_ERROR);\n fatal = true;\n break;\n case PlaylistContextType.LEVEL:\n details = (timeout ? ErrorDetails.LEVEL_LOAD_TIMEOUT : ErrorDetails.LEVEL_LOAD_ERROR);\n fatal = false;\n break;\n case PlaylistContextType.AUDIO_TRACK:\n details = (timeout ? ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT : ErrorDetails.AUDIO_TRACK_LOAD_ERROR);\n fatal = false;\n break;\n default:\n // details = ...?\n fatal = false;\n }\n\n if (loader) {\n loader.abort();\n this.resetInternalLoader(context.type);\n }\n\n // TODO(typescript-events): when error events are handled, type this\n let errorData: any = {\n type: ErrorTypes.NETWORK_ERROR,\n details,\n fatal,\n url: context.url,\n loader,\n context,\n networkDetails\n };\n\n if (response) {\n errorData.response = response;\n }\n\n this.hls.trigger(Event.ERROR, errorData);\n }\n\n _handlePlaylistLoaded (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const { type, level, id, levelDetails } = context;\n\n if (!levelDetails || !levelDetails.targetduration) {\n this._handleManifestParsingError(response, context, 'invalid target duration', networkDetails);\n return;\n }\n\n const canHaveLevels = PlaylistLoader.canHaveQualityLevels(context.type);\n if (canHaveLevels) {\n this.hls.trigger(Event.LEVEL_LOADED, {\n details: levelDetails,\n level: level || 0,\n id: id || 0,\n stats,\n networkDetails\n });\n } else {\n switch (type) {\n case PlaylistContextType.AUDIO_TRACK:\n this.hls.trigger(Event.AUDIO_TRACK_LOADED, {\n details: levelDetails,\n id,\n stats,\n networkDetails\n });\n break;\n case PlaylistContextType.SUBTITLE_TRACK:\n this.hls.trigger(Event.SUBTITLE_TRACK_LOADED, {\n details: levelDetails,\n id,\n stats,\n networkDetails\n });\n break;\n }\n }\n }\n}\n\nexport default PlaylistLoader;\n","/*\n * Fragment Loader\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\n\nclass FragmentLoader extends EventHandler {\n constructor (hls) {\n super(hls, Event.FRAG_LOADING);\n this.loaders = {};\n }\n\n destroy () {\n let loaders = this.loaders;\n for (let loaderName in loaders) {\n let loader = loaders[loaderName];\n if (loader) {\n loader.destroy();\n }\n }\n this.loaders = {};\n\n super.destroy();\n }\n\n onFragLoading (data) {\n const frag = data.frag,\n type = frag.type,\n loaders = this.loaders,\n config = this.hls.config,\n FragmentILoader = config.fLoader,\n DefaultILoader = config.loader;\n\n // reset fragment state\n frag.loaded = 0;\n\n let loader = loaders[type];\n if (loader) {\n logger.warn(`abort previous fragment loader for type: ${type}`);\n loader.abort();\n }\n\n loader = loaders[type] = frag.loader =\n config.fLoader ? new FragmentILoader(config) : new DefaultILoader(config);\n\n let loaderContext, loaderConfig, loaderCallbacks;\n\n loaderContext = { url: frag.url, frag: frag, responseType: 'arraybuffer', progressData: false };\n\n let start = frag.byteRangeStartOffset,\n end = frag.byteRangeEndOffset;\n\n if (Number.isFinite(start) && Number.isFinite(end)) {\n loaderContext.rangeStart = start;\n loaderContext.rangeEnd = end;\n }\n\n loaderConfig = {\n timeout: config.fragLoadingTimeOut,\n maxRetry: 0,\n retryDelay: 0,\n maxRetryDelay: config.fragLoadingMaxRetryTimeout\n };\n\n loaderCallbacks = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this),\n onProgress: this.loadprogress.bind(this)\n };\n\n loader.load(loaderContext, loaderConfig, loaderCallbacks);\n }\n\n loadsuccess (response, stats, context, networkDetails = null) {\n let payload = response.data, frag = context.frag;\n // detach fragment loader on load success\n frag.loader = undefined;\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.FRAG_LOADED, { payload: payload, frag: frag, stats: stats, networkDetails: networkDetails });\n }\n\n loaderror (response, context, networkDetails = null) {\n const frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.FRAG_LOAD_ERROR, fatal: false, frag: context.frag, response: response, networkDetails: networkDetails });\n }\n\n loadtimeout (stats, context, networkDetails = null) {\n const frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.FRAG_LOAD_TIMEOUT, fatal: false, frag: context.frag, networkDetails: networkDetails });\n }\n\n // data will be used for progressive parsing\n loadprogress (stats, context, data, networkDetails = null) { // jshint ignore:line\n let frag = context.frag;\n frag.loaded = stats.loaded;\n this.hls.trigger(Event.FRAG_LOAD_PROGRESS, { frag: frag, stats: stats, networkDetails: networkDetails });\n }\n}\n\nexport default FragmentLoader;\n","/*\n * Decrypt key Loader\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport Hls from '../hls';\nimport Fragment from './fragment';\nimport { LoaderStats, LoaderResponse, LoaderContext, LoaderConfiguration, LoaderCallbacks } from '../types/loader';\n\ninterface OnKeyLoadingPayload {\n frag: Fragment\n}\n\ninterface KeyLoaderContext extends LoaderContext {\n frag: Fragment\n}\n\nclass KeyLoader extends EventHandler {\n public loaders = {};\n public decryptkey: Uint8Array | null = null;\n public decrypturl: string | null = null;\n\n constructor (hls: Hls) {\n super(hls, Event.KEY_LOADING);\n }\n\n destroy (): void {\n for (const loaderName in this.loaders) {\n let loader = this.loaders[loaderName];\n if (loader) {\n loader.destroy();\n }\n }\n this.loaders = {};\n\n super.destroy();\n }\n\n onKeyLoading (data: OnKeyLoadingPayload) {\n const { frag } = data;\n const type = frag.type;\n const loader = this.loaders[type];\n if (!frag.decryptdata) {\n logger.warn('Missing decryption data on fragment in onKeyLoading');\n return;\n }\n\n // Load the key if the uri is different from previous one, or if the decrypt key has not yet been retrieved\n const uri = frag.decryptdata.uri;\n if (uri !== this.decrypturl || this.decryptkey === null) {\n let config = this.hls.config;\n if (loader) {\n logger.warn(`abort previous key loader for type:${type}`);\n loader.abort();\n }\n if (!uri) {\n logger.warn('key uri is falsy');\n return;\n }\n\n frag.loader = this.loaders[type] = new config.loader(config);\n this.decrypturl = uri;\n this.decryptkey = null;\n\n const loaderContext: KeyLoaderContext = {\n url: uri,\n frag: frag,\n responseType: 'arraybuffer'\n };\n\n // maxRetry is 0 so that instead of retrying the same key on the same variant multiple times,\n // key-loader will trigger an error and rely on stream-controller to handle retry logic.\n // this will also align retry logic with fragment-loader\n const loaderConfig: LoaderConfiguration = {\n timeout: config.fragLoadingTimeOut,\n maxRetry: 0,\n retryDelay: config.fragLoadingRetryDelay,\n maxRetryDelay: config.fragLoadingMaxRetryTimeout\n };\n\n const loaderCallbacks: LoaderCallbacks<KeyLoaderContext> = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this)\n };\n\n frag.loader.load(loaderContext, loaderConfig, loaderCallbacks);\n } else if (this.decryptkey) {\n // Return the key if it's already been loaded\n frag.decryptdata.key = this.decryptkey;\n this.hls.trigger(Event.KEY_LOADED, { frag: frag });\n }\n }\n\n loadsuccess (response: LoaderResponse, stats: LoaderStats, context: KeyLoaderContext) {\n let frag = context.frag;\n if (!frag.decryptdata) {\n logger.error('after key load, decryptdata unset');\n return;\n }\n this.decryptkey = frag.decryptdata.key = new Uint8Array(response.data as ArrayBuffer);\n\n // detach fragment loader on load success\n frag.loader = undefined;\n delete this.loaders[frag.type];\n this.hls.trigger(Event.KEY_LOADED, { frag: frag });\n }\n\n loaderror (response: LoaderResponse, context: KeyLoaderContext) {\n let frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n delete this.loaders[frag.type];\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.KEY_LOAD_ERROR, fatal: false, frag, response });\n }\n\n loadtimeout (stats: LoaderStats, context: KeyLoaderContext) {\n let frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n delete this.loaders[frag.type];\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.KEY_LOAD_TIMEOUT, fatal: false, frag });\n }\n}\n\nexport default KeyLoader;\n","import EventHandler from '../event-handler';\nimport Event from '../events';\n\nexport const FragmentState = {\n NOT_LOADED: 'NOT_LOADED',\n APPENDING: 'APPENDING',\n PARTIAL: 'PARTIAL',\n OK: 'OK'\n};\n\nexport class FragmentTracker extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.BUFFER_APPENDED,\n Event.FRAG_BUFFERED,\n Event.FRAG_LOADED\n );\n\n this.bufferPadding = 0.2;\n\n this.fragments = Object.create(null);\n this.timeRanges = Object.create(null);\n\n this.config = hls.config;\n }\n\n destroy () {\n this.fragments = Object.create(null);\n this.timeRanges = Object.create(null);\n this.config = null;\n EventHandler.prototype.destroy.call(this);\n super.destroy();\n }\n\n /**\n * Return a Fragment that match the position and levelType.\n * If not found any Fragment, return null\n * @param {number} position\n * @param {LevelType} levelType\n * @returns {Fragment|null}\n */\n getBufferedFrag (position, levelType) {\n const fragments = this.fragments;\n const bufferedFrags = Object.keys(fragments).filter(key => {\n const fragmentEntity = fragments[key];\n if (fragmentEntity.body.type !== levelType) {\n return false;\n }\n\n if (!fragmentEntity.buffered) {\n return false;\n }\n\n const frag = fragmentEntity.body;\n return frag.startPTS <= position && position <= frag.endPTS;\n });\n if (bufferedFrags.length === 0) {\n return null;\n } else {\n // https://github.com/video-dev/hls.js/pull/1545#discussion_r166229566\n const bufferedFragKey = bufferedFrags.pop();\n return fragments[bufferedFragKey].body;\n }\n }\n\n /**\n * Partial fragments effected by coded frame eviction will be removed\n * The browser will unload parts of the buffer to free up memory for new buffer data\n * Fragments will need to be reloaded when the buffer is freed up, removing partial fragments will allow them to reload(since there might be parts that are still playable)\n * @param {String} elementaryStream The elementaryStream of media this is (eg. video/audio)\n * @param {TimeRanges} timeRange TimeRange object from a sourceBuffer\n */\n detectEvictedFragments (elementaryStream, timeRange) {\n let fragmentTimes, time;\n // Check if any flagged fragments have been unloaded\n Object.keys(this.fragments).forEach(key => {\n const fragmentEntity = this.fragments[key];\n if (fragmentEntity.buffered === true) {\n const esData = fragmentEntity.range[elementaryStream];\n if (esData) {\n fragmentTimes = esData.time;\n for (let i = 0; i < fragmentTimes.length; i++) {\n time = fragmentTimes[i];\n\n if (this.isTimeBuffered(time.startPTS, time.endPTS, timeRange) === false) {\n // Unregister partial fragment as it needs to load again to be reused\n this.removeFragment(fragmentEntity.body);\n break;\n }\n }\n }\n }\n });\n }\n\n /**\n * Checks if the fragment passed in is loaded in the buffer properly\n * Partially loaded fragments will be registered as a partial fragment\n * @param {Object} fragment Check the fragment against all sourceBuffers loaded\n */\n detectPartialFragments (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n let fragmentEntity = this.fragments[fragKey];\n if (fragmentEntity) {\n fragmentEntity.buffered = true;\n\n Object.keys(this.timeRanges).forEach(elementaryStream => {\n if (fragment.hasElementaryStream(elementaryStream)) {\n let timeRange = this.timeRanges[elementaryStream];\n // Check for malformed fragments\n // Gaps need to be calculated for each elementaryStream\n fragmentEntity.range[elementaryStream] = this.getBufferedTimes(fragment.startPTS, fragment.endPTS, timeRange);\n }\n });\n }\n }\n\n getBufferedTimes (startPTS, endPTS, timeRange) {\n let fragmentTimes = [];\n let startTime, endTime;\n let fragmentPartial = false;\n for (let i = 0; i < timeRange.length; i++) {\n startTime = timeRange.start(i) - this.bufferPadding;\n endTime = timeRange.end(i) + this.bufferPadding;\n if (startPTS >= startTime && endPTS <= endTime) {\n // Fragment is entirely contained in buffer\n // No need to check the other timeRange times since it's completely playable\n fragmentTimes.push({\n startPTS: Math.max(startPTS, timeRange.start(i)),\n endPTS: Math.min(endPTS, timeRange.end(i))\n });\n break;\n } else if (startPTS < endTime && endPTS > startTime) {\n // Check for intersection with buffer\n // Get playable sections of the fragment\n fragmentTimes.push({\n startPTS: Math.max(startPTS, timeRange.start(i)),\n endPTS: Math.min(endPTS, timeRange.end(i))\n });\n fragmentPartial = true;\n } else if (endPTS <= startTime) {\n // No need to check the rest of the timeRange as it is in order\n break;\n }\n }\n\n return {\n time: fragmentTimes,\n partial: fragmentPartial\n };\n }\n\n getFragmentKey (fragment) {\n return `${fragment.type}_${fragment.level}_${fragment.urlId}_${fragment.sn}`;\n }\n\n /**\n * Gets the partial fragment for a certain time\n * @param {Number} time\n * @returns {Object} fragment Returns a partial fragment at a time or null if there is no partial fragment\n */\n getPartialFragment (time) {\n let timePadding, startTime, endTime;\n let bestFragment = null;\n let bestOverlap = 0;\n Object.keys(this.fragments).forEach(key => {\n const fragmentEntity = this.fragments[key];\n if (this.isPartial(fragmentEntity)) {\n startTime = fragmentEntity.body.startPTS - this.bufferPadding;\n endTime = fragmentEntity.body.endPTS + this.bufferPadding;\n if (time >= startTime && time <= endTime) {\n // Use the fragment that has the most padding from start and end time\n timePadding = Math.min(time - startTime, endTime - time);\n if (bestOverlap <= timePadding) {\n bestFragment = fragmentEntity.body;\n bestOverlap = timePadding;\n }\n }\n }\n });\n return bestFragment;\n }\n\n /**\n * @param {Object} fragment The fragment to check\n * @returns {String} Returns the fragment state when a fragment never loaded or if it partially loaded\n */\n getState (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n let fragmentEntity = this.fragments[fragKey];\n let state = FragmentState.NOT_LOADED;\n\n if (fragmentEntity !== undefined) {\n if (!fragmentEntity.buffered) {\n state = FragmentState.APPENDING;\n } else if (this.isPartial(fragmentEntity) === true) {\n state = FragmentState.PARTIAL;\n } else {\n state = FragmentState.OK;\n }\n }\n\n return state;\n }\n\n isPartial (fragmentEntity) {\n return fragmentEntity.buffered === true &&\n ((fragmentEntity.range.video !== undefined && fragmentEntity.range.video.partial === true) ||\n (fragmentEntity.range.audio !== undefined && fragmentEntity.range.audio.partial === true));\n }\n\n isTimeBuffered (startPTS, endPTS, timeRange) {\n let startTime, endTime;\n for (let i = 0; i < timeRange.length; i++) {\n startTime = timeRange.start(i) - this.bufferPadding;\n endTime = timeRange.end(i) + this.bufferPadding;\n if (startPTS >= startTime && endPTS <= endTime) {\n return true;\n }\n\n if (endPTS <= startTime) {\n // No need to check the rest of the timeRange as it is in order\n return false;\n }\n }\n\n return false;\n }\n\n /**\n * Fires when a fragment loading is completed\n */\n onFragLoaded (e) {\n const fragment = e.frag;\n // don't track initsegment (for which sn is not a number)\n // don't track frags used for bitrateTest, they're irrelevant.\n if (!Number.isFinite(fragment.sn) || fragment.bitrateTest) {\n return;\n }\n\n this.fragments[this.getFragmentKey(fragment)] = {\n body: fragment,\n range: Object.create(null),\n buffered: false\n };\n }\n\n /**\n * Fires when the buffer is updated\n */\n onBufferAppended (e) {\n // Store the latest timeRanges loaded in the buffer\n this.timeRanges = e.timeRanges;\n Object.keys(this.timeRanges).forEach(elementaryStream => {\n let timeRange = this.timeRanges[elementaryStream];\n this.detectEvictedFragments(elementaryStream, timeRange);\n });\n }\n\n /**\n * Fires after a fragment has been loaded into the source buffer\n */\n onFragBuffered (e) {\n this.detectPartialFragments(e.frag);\n }\n\n /**\n * Return true if fragment tracker has the fragment.\n * @param {Object} fragment\n * @returns {boolean}\n */\n hasFragment (fragment) {\n const fragKey = this.getFragmentKey(fragment);\n return this.fragments[fragKey] !== undefined;\n }\n\n /**\n * Remove a fragment from fragment tracker until it is loaded again\n * @param {Object} fragment The fragment to remove\n */\n removeFragment (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n delete this.fragments[fragKey];\n }\n\n /**\n * Remove all fragments from fragment tracker.\n */\n removeAllFragments () {\n this.fragments = Object.create(null);\n }\n}\n","type BinarySearchComparison < T > = (candidate: T) => -1 | 0 | 1;\n\nconst BinarySearch = {\n\n /**\n * Searches for an item in an array which matches a certain condition.\n * This requires the condition to only match one item in the array,\n * and for the array to be ordered.\n *\n * @param {Array<T>} list The array to search.\n * @param {BinarySearchComparison<T>} comparisonFn\n * Called and provided a candidate item as the first argument.\n * Should return:\n * > -1 if the item should be located at a lower index than the provided item.\n * > 1 if the item should be located at a higher index than the provided item.\n * > 0 if the item is the item you're looking for.\n *\n * @return {T | null} The object if it is found or null otherwise.\n */\n search: function<T> (list: T[], comparisonFn: BinarySearchComparison<T>): T | null {\n let minIndex: number = 0;\n let maxIndex: number = list.length - 1;\n let currentIndex: number | null = null;\n let currentElement: T | null = null;\n\n while (minIndex <= maxIndex) {\n currentIndex = (minIndex + maxIndex) / 2 | 0;\n currentElement = list[currentIndex];\n\n let comparisonResult = comparisonFn(currentElement);\n if (comparisonResult > 0) {\n minIndex = currentIndex + 1;\n } else if (comparisonResult < 0) {\n maxIndex = currentIndex - 1;\n } else {\n return currentElement;\n }\n }\n\n return null;\n }\n};\n\nexport default BinarySearch;\n","/**\n * @module BufferHelper\n *\n * Providing methods dealing with buffer length retrieval for example.\n *\n * In general, a helper around HTML5 MediaElement TimeRanges gathered from `buffered` property.\n *\n * Also @see https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/buffered\n*/\n\ntype BufferTimeRange = {\n start: number\n end: number\n};\n\ntype Bufferable = {\n buffered: TimeRanges\n};\n\nexport class BufferHelper {\n /**\n * Return true if `media`'s buffered include `position`\n * @param {Bufferable} media\n * @param {number} position\n * @returns {boolean}\n */\n static isBuffered (media: Bufferable, position: number): boolean {\n try {\n if (media) {\n let buffered = media.buffered;\n for (let i = 0; i < buffered.length; i++) {\n if (position >= buffered.start(i) && position <= buffered.end(i)) {\n return true;\n }\n }\n }\n } catch (error) {\n // this is to catch\n // InvalidStateError: Failed to read the 'buffered' property from 'SourceBuffer':\n // This SourceBuffer has been removed from the parent media source\n }\n return false;\n }\n\n static bufferInfo (\n media: Bufferable,\n pos: number,\n maxHoleDuration: number\n ): {\n len: number,\n start: number,\n end: number,\n nextStart?: number,\n } {\n try {\n if (media) {\n let vbuffered = media.buffered;\n let buffered: BufferTimeRange[] = [];\n let i: number;\n for (i = 0; i < vbuffered.length; i++) {\n buffered.push({ start: vbuffered.start(i), end: vbuffered.end(i) });\n }\n\n return this.bufferedInfo(buffered, pos, maxHoleDuration);\n }\n } catch (error) {\n // this is to catch\n // InvalidStateError: Failed to read the 'buffered' property from 'SourceBuffer':\n // This SourceBuffer has been removed from the parent media source\n }\n return { len: 0, start: pos, end: pos, nextStart: undefined };\n }\n\n static bufferedInfo (\n buffered: BufferTimeRange[],\n pos: number,\n maxHoleDuration: number\n ): {\n len: number,\n start: number,\n end: number,\n nextStart?: number,\n } {\n // sort on buffer.start/smaller end (IE does not always return sorted buffered range)\n buffered.sort(function (a, b) {\n let diff = a.start - b.start;\n if (diff) {\n return diff;\n } else {\n return b.end - a.end;\n }\n });\n\n let buffered2: BufferTimeRange[] = [];\n if (maxHoleDuration) {\n // there might be some small holes between buffer time range\n // consider that holes smaller than maxHoleDuration are irrelevant and build another\n // buffer time range representations that discards those holes\n for (let i = 0; i < buffered.length; i++) {\n let buf2len = buffered2.length;\n if (buf2len) {\n let buf2end = buffered2[buf2len - 1].end;\n // if small hole (value between 0 or maxHoleDuration ) or overlapping (negative)\n if ((buffered[i].start - buf2end) < maxHoleDuration) {\n // merge overlapping time ranges\n // update lastRange.end only if smaller than item.end\n // e.g. [ 1, 15] with [ 2,8] => [ 1,15] (no need to modify lastRange.end)\n // whereas [ 1, 8] with [ 2,15] => [ 1,15] ( lastRange should switch from [1,8] to [1,15])\n if (buffered[i].end > buf2end) {\n buffered2[buf2len - 1].end = buffered[i].end;\n }\n } else {\n // big hole\n buffered2.push(buffered[i]);\n }\n } else {\n // first value\n buffered2.push(buffered[i]);\n }\n }\n } else {\n buffered2 = buffered;\n }\n\n let bufferLen = 0;\n\n // bufferStartNext can possibly be undefined based on the conditional logic below\n let bufferStartNext: number | undefined;\n\n // bufferStart and bufferEnd are buffer boundaries around current video position\n let bufferStart: number = pos;\n let bufferEnd: number = pos;\n for (let i = 0; i < buffered2.length; i++) {\n let start = buffered2[i].start,\n end = buffered2[i].end;\n // logger.log('buf start/end:' + buffered.start(i) + '/' + buffered.end(i));\n if ((pos + maxHoleDuration) >= start && pos < end) {\n // play position is inside this buffer TimeRange, retrieve end of buffer position and buffer length\n bufferStart = start;\n bufferEnd = end;\n bufferLen = bufferEnd - pos;\n } else if ((pos + maxHoleDuration) < start) {\n bufferStartNext = start;\n break;\n }\n }\n return { len: bufferLen, start: bufferStart, end: bufferEnd, nextStart: bufferStartNext };\n }\n\n // Trying to find buffered position within `maxFragLookUpTolerance`. Returns same position if\n // current time is already inside of buffered range or there is no buffered fragment\n // within `maxFragLookUpTolerance`.\n static getBufferedPosWithinTolerance(media, pos, maxFragLookUpTolerance) {\n const currentTime = media ? media.currentTime : undefined;\n\n // No need to seek if current playback position is already inside buffered range\n if (BufferHelper.isBuffered(media, currentTime)) {\n return pos;\n }\n\n const buffered = media.buffered;\n for (let i = 0; i < buffered.length; i++) {\n const start = buffered.start(i);\n\n // Returns the start position of buffered range if `currentTime` is within `maxFragLookUpTolerance` range\n if (start > currentTime && start < currentTime + maxFragLookUpTolerance) {\n return Math.ceil(start * 10) / 10;\n }\n }\n\n return pos;\n }\n}\n","/**\n * MediaSource helper\n */\n\nexport function getMediaSource (): typeof MediaSource | undefined {\n return (window as any).MediaSource || (window as any).WebKitMediaSource;\n}\n","import { EventEmitter } from 'eventemitter3';\n\n/**\n * Simple adapter sub-class of Nodejs-like EventEmitter.\n */\nexport class Observer extends EventEmitter {\n /**\n * We simply want to pass along the event-name itself\n * in every call to a handler, which is the purpose of our `trigger` method\n * extending the standard API.\n */\n trigger (event: string, ...data: Array<any>): void {\n this.emit(event, event, ...data);\n }\n}\n","import { EventEmitter } from 'eventemitter3';\nimport * as work from 'webworkify-webpack';\n\nimport Event from '../events';\nimport DemuxerInline from '../demux/demuxer-inline';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { getMediaSource } from '../utils/mediasource-helper';\nimport { getSelfScope } from '../utils/get-self-scope';\n\nimport { Observer } from '../observer';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\nconst MediaSource = getMediaSource() || { isTypeSupported: () => false };\n\nclass Demuxer {\n constructor (hls, id) {\n this.hls = hls;\n this.id = id;\n\n const observer = this.observer = new Observer();\n const config = hls.config;\n\n const forwardMessage = (ev, data) => {\n data = data || {};\n data.frag = this.frag;\n data.id = this.id;\n hls.trigger(ev, data);\n };\n\n // forward events to main thread\n observer.on(Event.FRAG_DECRYPTED, forwardMessage);\n observer.on(Event.FRAG_PARSING_INIT_SEGMENT, forwardMessage);\n observer.on(Event.FRAG_PARSING_DATA, forwardMessage);\n observer.on(Event.FRAG_PARSED, forwardMessage);\n observer.on(Event.ERROR, forwardMessage);\n observer.on(Event.FRAG_PARSING_METADATA, forwardMessage);\n observer.on(Event.FRAG_PARSING_USERDATA, forwardMessage);\n observer.on(Event.INIT_PTS_FOUND, forwardMessage);\n\n const typeSupported = {\n mp4: MediaSource.isTypeSupported('video/mp4'),\n mpeg: MediaSource.isTypeSupported('audio/mpeg'),\n mp3: MediaSource.isTypeSupported('audio/mp4; codecs=\"mp3\"')\n };\n // navigator.vendor is not always available in Web Worker\n // refer to https://developer.mozilla.org/en-US/docs/Web/API/WorkerGlobalScope/navigator\n const vendor = navigator.vendor;\n if (config.enableWorker && (typeof (Worker) !== 'undefined')) {\n logger.log('demuxing in webworker');\n let w;\n try {\n w = this.w = work(require.resolve('../demux/demuxer-worker.js'));\n this.onwmsg = this.onWorkerMessage.bind(this);\n w.addEventListener('message', this.onwmsg);\n w.onerror = function (event) {\n hls.trigger(Event.ERROR, { type: ErrorTypes.OTHER_ERROR, details: ErrorDetails.INTERNAL_EXCEPTION, fatal: true, event: 'demuxerWorker', err: { message: event.message + ' (' + event.filename + ':' + event.lineno + ')' } });\n };\n w.postMessage({ cmd: 'init', typeSupported: typeSupported, vendor: vendor, id: id, config: JSON.stringify(config) });\n } catch (err) {\n logger.warn('Error in worker:', err);\n logger.error('Error while initializing DemuxerWorker, fallback on DemuxerInline');\n if (w) {\n // revoke the Object URL that was used to create demuxer worker, so as not to leak it\n global.URL.revokeObjectURL(w.objectURL);\n }\n this.demuxer = new DemuxerInline(observer, typeSupported, config, vendor);\n this.w = undefined;\n }\n } else {\n this.demuxer = new DemuxerInline(observer, typeSupported, config, vendor);\n }\n }\n\n destroy () {\n let w = this.w;\n if (w) {\n w.removeEventListener('message', this.onwmsg);\n w.terminate();\n this.w = null;\n } else {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.destroy();\n this.demuxer = null;\n }\n }\n const observer = this.observer;\n if (observer) {\n observer.removeAllListeners();\n this.observer = null;\n }\n }\n\n push (data, initSegment, audioCodec, videoCodec, frag, duration, accurateTimeOffset, defaultInitPTS) {\n const w = this.w;\n const timeOffset = Number.isFinite(frag.startPTS) ? frag.startPTS : frag.start;\n const decryptdata = frag.decryptdata;\n const lastFrag = this.frag;\n const discontinuity = !(lastFrag && (frag.cc === lastFrag.cc));\n const trackSwitch = !(lastFrag && (frag.level === lastFrag.level));\n const nextSN = lastFrag && (frag.sn === (lastFrag.sn + 1));\n const contiguous = !trackSwitch && nextSN;\n if (discontinuity) {\n logger.log(`${this.id}:discontinuity detected`);\n }\n\n if (trackSwitch) {\n logger.log(`${this.id}:switch detected`);\n }\n\n this.frag = frag;\n if (w) {\n // post fragment payload as transferable objects for ArrayBuffer (no copy)\n w.postMessage({ cmd: 'demux', data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS }, data instanceof ArrayBuffer ? [data] : []);\n } else {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.push(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n }\n }\n }\n\n onWorkerMessage (ev) {\n let data = ev.data,\n hls = this.hls;\n switch (data.event) {\n case 'init':\n // revoke the Object URL that was used to create demuxer worker, so as not to leak it\n global.URL.revokeObjectURL(this.w.objectURL);\n break;\n // special case for FRAG_PARSING_DATA: data1 and data2 are transferable objects\n case Event.FRAG_PARSING_DATA:\n data.data.data1 = new Uint8Array(data.data1);\n if (data.data2) {\n data.data.data2 = new Uint8Array(data.data2);\n }\n\n /* falls through */\n default:\n data.data = data.data || {};\n data.data.frag = this.frag;\n data.data.id = this.id;\n hls.trigger(data.event, data.data);\n break;\n }\n }\n}\n\nexport default Demuxer;\n","/**\n * @module LevelHelper\n *\n * Providing methods dealing with playlist sliding and drift\n *\n * TODO: Create an actual `Level` class/model that deals with all this logic in an object-oriented-manner.\n *\n * */\n\nimport { logger } from '../utils/logger';\n\nexport function addGroupId (level, type, id) {\n switch (type) {\n case 'audio':\n if (!level.audioGroupIds) {\n level.audioGroupIds = [];\n }\n level.audioGroupIds.push(id);\n break;\n case 'text':\n if (!level.textGroupIds) {\n level.textGroupIds = [];\n }\n level.textGroupIds.push(id);\n break;\n }\n}\n\nexport function updatePTS (fragments, fromIdx, toIdx) {\n let fragFrom = fragments[fromIdx], fragTo = fragments[toIdx], fragToPTS = fragTo.startPTS;\n // if we know startPTS[toIdx]\n if (Number.isFinite(fragToPTS)) {\n // update fragment duration.\n // it helps to fix drifts between playlist reported duration and fragment real duration\n if (toIdx > fromIdx) {\n fragFrom.duration = fragToPTS - fragFrom.start;\n if (fragFrom.duration < 0) {\n logger.warn(`negative duration computed for frag ${fragFrom.sn},level ${fragFrom.level}, there should be some duration drift between playlist and fragment!`);\n }\n } else {\n fragTo.duration = fragFrom.start - fragToPTS;\n if (fragTo.duration < 0) {\n logger.warn(`negative duration computed for frag ${fragTo.sn},level ${fragTo.level}, there should be some duration drift between playlist and fragment!`);\n }\n }\n } else {\n // we dont know startPTS[toIdx]\n if (toIdx > fromIdx) {\n fragTo.start = fragFrom.start + fragFrom.duration;\n } else {\n fragTo.start = Math.max(fragFrom.start - fragTo.duration, 0);\n }\n }\n}\n\nexport function updateFragPTSDTS (details, frag, startPTS, endPTS, startDTS, endDTS) {\n // update frag PTS/DTS\n let maxStartPTS = startPTS;\n if (Number.isFinite(frag.startPTS)) {\n // delta PTS between audio and video\n let deltaPTS = Math.abs(frag.startPTS - startPTS);\n if (!Number.isFinite(frag.deltaPTS)) {\n frag.deltaPTS = deltaPTS;\n } else {\n frag.deltaPTS = Math.max(deltaPTS, frag.deltaPTS);\n }\n\n maxStartPTS = Math.max(startPTS, frag.startPTS);\n startPTS = Math.min(startPTS, frag.startPTS);\n endPTS = Math.max(endPTS, frag.endPTS);\n startDTS = Math.min(startDTS, frag.startDTS);\n endDTS = Math.max(endDTS, frag.endDTS);\n }\n\n const drift = startPTS - frag.start;\n frag.start = frag.startPTS = startPTS;\n frag.maxStartPTS = maxStartPTS;\n frag.endPTS = endPTS;\n frag.startDTS = startDTS;\n frag.endDTS = endDTS;\n frag.duration = endPTS - startPTS;\n\n const sn = frag.sn;\n // exit if sn out of range\n if (!details || sn < details.startSN || sn > details.endSN) {\n return 0;\n }\n\n let fragIdx, fragments, i;\n fragIdx = sn - details.startSN;\n fragments = details.fragments;\n // update frag reference in fragments array\n // rationale is that fragments array might not contain this frag object.\n // this will happen if playlist has been refreshed between frag loading and call to updateFragPTSDTS()\n // if we don't update frag, we won't be able to propagate PTS info on the playlist\n // resulting in invalid sliding computation\n fragments[fragIdx] = frag;\n // adjust fragment PTS/duration from seqnum-1 to frag 0\n for (i = fragIdx; i > 0; i--) {\n updatePTS(fragments, i, i - 1);\n }\n\n // adjust fragment PTS/duration from seqnum to last frag\n for (i = fragIdx; i < fragments.length - 1; i++) {\n updatePTS(fragments, i, i + 1);\n }\n\n details.PTSKnown = true;\n return drift;\n}\n\nexport function mergeDetails (oldDetails, newDetails) {\n // potentially retrieve cached initsegment\n if (newDetails.initSegment && oldDetails.initSegment) {\n newDetails.initSegment = oldDetails.initSegment;\n }\n\n // check if old/new playlists have fragments in common\n // loop through overlapping SN and update startPTS , cc, and duration if any found\n let ccOffset = 0;\n let PTSFrag;\n mapFragmentIntersection(oldDetails, newDetails, (oldFrag, newFrag) => {\n ccOffset = oldFrag.cc - newFrag.cc;\n if (Number.isFinite(oldFrag.startPTS)) {\n newFrag.start = newFrag.startPTS = oldFrag.startPTS;\n newFrag.endPTS = oldFrag.endPTS;\n newFrag.duration = oldFrag.duration;\n newFrag.backtracked = oldFrag.backtracked;\n newFrag.dropped = oldFrag.dropped;\n PTSFrag = newFrag;\n }\n // PTS is known when there are overlapping segments\n newDetails.PTSKnown = true;\n });\n\n if (!newDetails.PTSKnown) {\n return;\n }\n\n if (ccOffset) {\n logger.log('discontinuity sliding from playlist, take drift into account');\n const newFragments = newDetails.fragments;\n for (let i = 0; i < newFragments.length; i++) {\n newFragments[i].cc += ccOffset;\n }\n }\n\n // if at least one fragment contains PTS info, recompute PTS information for all fragments\n if (PTSFrag) {\n updateFragPTSDTS(newDetails, PTSFrag, PTSFrag.startPTS, PTSFrag.endPTS, PTSFrag.startDTS, PTSFrag.endDTS);\n } else {\n // ensure that delta is within oldFragments range\n // also adjust sliding in case delta is 0 (we could have old=[50-60] and new=old=[50-61])\n // in that case we also need to adjust start offset of all fragments\n adjustSliding(oldDetails, newDetails);\n }\n // if we are here, it means we have fragments overlapping between\n // old and new level. reliable PTS info is thus relying on old level\n newDetails.PTSKnown = oldDetails.PTSKnown;\n}\n\nexport function mergeSubtitlePlaylists (oldPlaylist, newPlaylist, referenceStart = 0) {\n let lastIndex = -1;\n mapFragmentIntersection(oldPlaylist, newPlaylist, (oldFrag, newFrag, index) => {\n newFrag.start = oldFrag.start;\n lastIndex = index;\n });\n\n const frags = newPlaylist.fragments;\n if (lastIndex < 0) {\n frags.forEach(frag => {\n frag.start += referenceStart;\n });\n return;\n }\n\n for (let i = lastIndex + 1; i < frags.length; i++) {\n frags[i].start = (frags[i - 1].start + frags[i - 1].duration);\n }\n}\n\nexport function mapFragmentIntersection (oldPlaylist, newPlaylist, intersectionFn) {\n if (!oldPlaylist || !newPlaylist) {\n return;\n }\n\n const start = Math.max(oldPlaylist.startSN, newPlaylist.startSN) - newPlaylist.startSN;\n const end = Math.min(oldPlaylist.endSN, newPlaylist.endSN) - newPlaylist.startSN;\n const delta = newPlaylist.startSN - oldPlaylist.startSN;\n\n for (let i = start; i <= end; i++) {\n const oldFrag = oldPlaylist.fragments[delta + i];\n const newFrag = newPlaylist.fragments[i];\n if (!oldFrag || !newFrag) {\n break;\n }\n intersectionFn(oldFrag, newFrag, i);\n }\n}\n\nexport function adjustSliding (oldPlaylist, newPlaylist) {\n const delta = newPlaylist.startSN - oldPlaylist.startSN;\n const oldFragments = oldPlaylist.fragments;\n const newFragments = newPlaylist.fragments;\n\n if (delta < 0 || delta > oldFragments.length) {\n return;\n }\n for (let i = 0; i < newFragments.length; i++) {\n newFragments[i].start += oldFragments[delta].start;\n }\n}\n\nexport function computeReloadInterval (currentPlaylist, newPlaylist, lastRequestTime) {\n let reloadInterval = 1000 * (newPlaylist.averagetargetduration ? newPlaylist.averagetargetduration : newPlaylist.targetduration);\n const minReloadInterval = reloadInterval / 2;\n if (currentPlaylist && newPlaylist.endSN === currentPlaylist.endSN) {\n // follow HLS Spec, If the client reloads a Playlist file and finds that it has not\n // changed then it MUST wait for a period of one-half the target\n // duration before retrying.\n reloadInterval = minReloadInterval;\n }\n\n if (lastRequestTime) {\n reloadInterval = Math.max(minReloadInterval, reloadInterval - (window.performance.now() - lastRequestTime));\n }\n // in any case, don't reload more than half of target duration\n return Math.round(reloadInterval);\n}\n","/**\n * TimeRanges to string helper\n */\n\nconst TimeRanges = {\n toString: function (r: TimeRanges) {\n let log = '';\n let len = r.length;\n for (let i = 0; i < len; i++) {\n log += '[' + r.start(i).toFixed(3) + ',' + r.end(i).toFixed(3) + ']';\n }\n\n return log;\n }\n};\n\nexport default TimeRanges;\n","import BinarySearch from './binary-search';\nimport { logger } from '../utils/logger';\n\nexport function findFirstFragWithCC (fragments, cc) {\n let firstFrag = null;\n\n for (let i = 0; i < fragments.length; i += 1) {\n const currentFrag = fragments[i];\n if (currentFrag && currentFrag.cc === cc) {\n firstFrag = currentFrag;\n break;\n }\n }\n\n return firstFrag;\n}\n\nexport function findFragWithCC (fragments, CC) {\n return BinarySearch.search(fragments, (candidate) => {\n if (candidate.cc < CC) {\n return 1;\n } else if (candidate.cc > CC) {\n return -1;\n } else {\n return 0;\n }\n });\n}\n\nexport function shouldAlignOnDiscontinuities (lastFrag, lastLevel, details) {\n let shouldAlign = false;\n if (lastLevel && lastLevel.details && details) {\n if (details.endCC > details.startCC || (lastFrag && lastFrag.cc < details.startCC)) {\n shouldAlign = true;\n }\n }\n return shouldAlign;\n}\n\n// Find the first frag in the previous level which matches the CC of the first frag of the new level\nexport function findDiscontinuousReferenceFrag (prevDetails, curDetails) {\n const prevFrags = prevDetails.fragments;\n const curFrags = curDetails.fragments;\n\n if (!curFrags.length || !prevFrags.length) {\n logger.log('No fragments to align');\n return;\n }\n\n const prevStartFrag = findFirstFragWithCC(prevFrags, curFrags[0].cc);\n\n if (!prevStartFrag || (prevStartFrag && !prevStartFrag.startPTS)) {\n logger.log('No frag in previous level to align on');\n return;\n }\n\n return prevStartFrag;\n}\n\nexport function adjustPts (sliding, details) {\n details.fragments.forEach((frag) => {\n if (frag) {\n let start = frag.start + sliding;\n frag.start = frag.startPTS = start;\n frag.endPTS = start + frag.duration;\n }\n });\n details.PTSKnown = true;\n}\n\n/**\n * Using the parameters of the last level, this function computes PTS' of the new fragments so that they form a\n * contiguous stream with the last fragments.\n * The PTS of a fragment lets Hls.js know where it fits into a stream - by knowing every PTS, we know which fragment to\n * download at any given time. PTS is normally computed when the fragment is demuxed, so taking this step saves us time\n * and an extra download.\n * @param lastFrag\n * @param lastLevel\n * @param details\n */\nexport function alignStream (lastFrag, lastLevel, details) {\n alignDiscontinuities(lastFrag, details, lastLevel);\n if (!details.PTSKnown && lastLevel) {\n // If the PTS wasn't figured out via discontinuity sequence that means there was no CC increase within the level.\n // Aligning via Program Date Time should therefore be reliable, since PDT should be the same within the same\n // discontinuity sequence.\n alignPDT(details, lastLevel.details);\n }\n}\n\n/**\n * Computes the PTS if a new level's fragments using the PTS of a fragment in the last level which shares the same\n * discontinuity sequence.\n * @param lastLevel - The details of the last loaded level\n * @param details - The details of the new level\n */\nexport function alignDiscontinuities (lastFrag, details, lastLevel) {\n if (shouldAlignOnDiscontinuities(lastFrag, lastLevel, details)) {\n const referenceFrag = findDiscontinuousReferenceFrag(lastLevel.details, details);\n if (referenceFrag) {\n logger.log('Adjusting PTS using last level due to CC increase within current level');\n adjustPts(referenceFrag.start, details);\n }\n }\n}\n\n/**\n * Computes the PTS of a new level's fragments using the difference in Program Date Time from the last level.\n * @param details - The details of the new level\n * @param lastDetails - The details of the last loaded level\n */\nexport function alignPDT (details, lastDetails) {\n if (lastDetails && lastDetails.fragments.length) {\n if (!details.hasProgramDateTime || !lastDetails.hasProgramDateTime) {\n return;\n }\n // if last level sliding is 1000 and its first frag PROGRAM-DATE-TIME is 2017-08-20 1:10:00 AM\n // and if new details first frag PROGRAM DATE-TIME is 2017-08-20 1:10:08 AM\n // then we can deduce that playlist B sliding is 1000+8 = 1008s\n let lastPDT = lastDetails.fragments[0].programDateTime;\n let newPDT = details.fragments[0].programDateTime;\n // date diff is in ms. frag.start is in seconds\n let sliding = (newPDT - lastPDT) / 1000 + lastDetails.fragments[0].start;\n if (Number.isFinite(sliding)) {\n logger.log(`adjusting PTS using programDateTime delta, sliding:${sliding.toFixed(3)}`);\n adjustPts(sliding, details);\n }\n }\n}\n","import BinarySearch from '../utils/binary-search';\nimport Fragment from '../loader/fragment';\n\n/**\n * Returns first fragment whose endPdt value exceeds the given PDT.\n * @param {Array<Fragment>} fragments - The array of candidate fragments\n * @param {number|null} [PDTValue = null] - The PDT value which must be exceeded\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start/end can be within in order to be considered contiguous\n * @returns {*|null} fragment - The best matching fragment\n */\nexport function findFragmentByPDT (fragments: Array<Fragment>, PDTValue: number | null, maxFragLookUpTolerance: number): Fragment | null {\n if (PDTValue === null || !Array.isArray(fragments) || !fragments.length || !Number.isFinite(PDTValue)) {\n return null;\n }\n\n // if less than start\n const startPDT = fragments[0].programDateTime;\n if (PDTValue < (startPDT || 0)) {\n return null;\n }\n\n const endPDT = fragments[fragments.length - 1].endProgramDateTime;\n if (PDTValue >= (endPDT || 0)) {\n return null;\n }\n\n maxFragLookUpTolerance = maxFragLookUpTolerance || 0;\n for (let seg = 0; seg < fragments.length; ++seg) {\n let frag = fragments[seg];\n if (pdtWithinToleranceTest(PDTValue, maxFragLookUpTolerance, frag)) {\n return frag;\n }\n }\n\n return null;\n}\n\n/**\n * Finds a fragment based on the SN of the previous fragment; or based on the needs of the current buffer.\n * This method compensates for small buffer gaps by applying a tolerance to the start of any candidate fragment, thus\n * breaking any traps which would cause the same fragment to be continuously selected within a small range.\n * @param {*} fragPrevious - The last frag successfully appended\n * @param {Array<Fragment>} fragments - The array of candidate fragments\n * @param {number} [bufferEnd = 0] - The end of the contiguous buffered range the playhead is currently within\n * @param {number} maxFragLookUpTolerance - The amount of time that a fragment's start/end can be within in order to be considered contiguous\n * @returns {*} foundFrag - The best matching fragment\n */\nexport function findFragmentByPTS (fragPrevious: Fragment, fragments: Array<Fragment>, bufferEnd: number = 0, maxFragLookUpTolerance: number = 0): Fragment | null {\n const fragNext = fragPrevious ? fragments[fragPrevious.sn as number - (fragments[0].sn as number) + 1] : null;\n // Prefer the next fragment if it's within tolerance\n if (fragNext && !fragmentWithinToleranceTest(bufferEnd, maxFragLookUpTolerance, fragNext)) {\n return fragNext;\n }\n return BinarySearch.search(fragments, fragmentWithinToleranceTest.bind(null, bufferEnd, maxFragLookUpTolerance));\n}\n\n/**\n * The test function used by the findFragmentBySn's BinarySearch to look for the best match to the current buffer conditions.\n * @param {*} candidate - The fragment to test\n * @param {number} [bufferEnd = 0] - The end of the current buffered range the playhead is currently within\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start can be within in order to be considered contiguous\n * @returns {number} - 0 if it matches, 1 if too low, -1 if too high\n */\nexport function fragmentWithinToleranceTest (bufferEnd = 0, maxFragLookUpTolerance = 0, candidate: Fragment) {\n // offset should be within fragment boundary - config.maxFragLookUpTolerance\n // this is to cope with situations like\n // bufferEnd = 9.991\n // frag[Ø] : [0,10]\n // frag[1] : [10,20]\n // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here\n // frag start frag start+duration\n // |-----------------------------|\n // <---> <--->\n // ...--------><-----------------------------><---------....\n // previous frag matching fragment next frag\n // return -1 return 0 return 1\n // logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`);\n // Set the lookup tolerance to be small enough to detect the current segment - ensures we don't skip over very small segments\n let candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration + (candidate.deltaPTS ? candidate.deltaPTS : 0));\n if (candidate.start + candidate.duration - candidateLookupTolerance <= bufferEnd) {\n return 1;\n } else if (candidate.start - candidateLookupTolerance > bufferEnd && candidate.start) {\n // if maxFragLookUpTolerance will have negative value then don't return -1 for first element\n return -1;\n }\n\n return 0;\n}\n\n/**\n * The test function used by the findFragmentByPdt's BinarySearch to look for the best match to the current buffer conditions.\n * This function tests the candidate's program date time values, as represented in Unix time\n * @param {*} candidate - The fragment to test\n * @param {number} [pdtBufferEnd = 0] - The Unix time representing the end of the current buffered range\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start can be within in order to be considered contiguous\n * @returns {boolean} True if contiguous, false otherwise\n */\nexport function pdtWithinToleranceTest (pdtBufferEnd: number, maxFragLookUpTolerance: number, candidate: Fragment): boolean {\n let candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration + (candidate.deltaPTS ? candidate.deltaPTS : 0)) * 1000;\n\n // endProgramDateTime can be null, default to zero\n const endProgramDateTime = candidate.endProgramDateTime || 0;\n return endProgramDateTime - candidateLookupTolerance > pdtBufferEnd;\n}\n","import { BufferHelper } from '../utils/buffer-helper';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport Event from '../events';\nimport { logger } from '../utils/logger';\n\nexport const STALL_MINIMUM_DURATION_MS = 250;\nexport const MAX_START_GAP_JUMP = 2.0;\nexport const SKIP_BUFFER_HOLE_STEP_SECONDS = 0.1;\nexport const SKIP_BUFFER_RANGE_START = 0.05;\n\nexport default class GapController {\n constructor (config, media, fragmentTracker, hls) {\n this.config = config;\n this.media = media;\n this.fragmentTracker = fragmentTracker;\n this.hls = hls;\n this.nudgeRetry = 0;\n this.stallReported = false;\n this.stalled = null;\n this.moved = false;\n this.seeking = false;\n }\n\n /**\n * Checks if the playhead is stuck within a gap, and if so, attempts to free it.\n * A gap is an unbuffered range between two buffered ranges (or the start and the first buffered range).\n *\n * @param {number} lastCurrentTime Previously read playhead position\n */\n poll (lastCurrentTime) {\n const { config, media, stalled } = this;\n const { currentTime, seeking } = media;\n const seeked = this.seeking && !seeking;\n const beginSeek = !this.seeking && seeking;\n\n this.seeking = seeking;\n\n // The playhead is moving, no-op\n if (currentTime !== lastCurrentTime) {\n this.moved = true;\n if (stalled !== null) {\n // The playhead is now moving, but was previously stalled\n if (this.stallReported) {\n const stalledDuration = self.performance.now() - stalled;\n logger.warn(`playback not stuck anymore @${currentTime}, after ${Math.round(stalledDuration)}ms`);\n this.stallReported = false;\n }\n this.stalled = null;\n this.nudgeRetry = 0;\n }\n return;\n }\n\n // Clear stalled state when beginning or finishing seeking so that we don't report stalls coming out of a seek\n if (beginSeek || seeked) {\n this.stalled = null;\n }\n\n const { seekWithinTolerance } = this.config;\n if (seekWithinTolerance && (seeking || seeked)) {\n this.seekWithinToleranceIfNeeded();\n }\n\n // The playhead should not be moving\n if (media.paused || media.ended || media.playbackRate === 0 || !media.buffered.length) {\n return;\n }\n\n const bufferInfo = BufferHelper.bufferInfo(media, currentTime, 0);\n const isBuffered = bufferInfo.len > 0;\n const nextStart = bufferInfo.nextStart || 0;\n\n // There is no playable buffer (waiting for buffer append)\n if (!isBuffered && !nextStart) {\n return;\n }\n\n if (seeking) {\n // Waiting for seeking in a buffered range to complete\n const hasEnoughBuffer = bufferInfo.len > MAX_START_GAP_JUMP;\n // Next buffered range is too far ahead to jump to while still seeking\n const noBufferGap = !nextStart || nextStart - currentTime > MAX_START_GAP_JUMP;\n if (hasEnoughBuffer || noBufferGap) {\n return;\n }\n // Reset moved state when seeking to a point in or before a gap\n this.moved = false;\n }\n\n // Skip start gaps if we haven't played, but the last poll detected the start of a stall\n // The addition poll gives the browser a chance to jump the gap for us\n if (!this.moved && this.stalled) {\n // Jump start gaps within jump threshold\n const startJump = Math.max(nextStart, bufferInfo.start || 0) - currentTime;\n if (startJump > 0 && startJump <= MAX_START_GAP_JUMP) {\n this._trySkipBufferHole(null);\n return;\n }\n }\n\n // Start tracking stall time\n const tnow = self.performance.now();\n if (stalled === null) {\n this.stalled = tnow;\n return;\n }\n\n const stalledDuration = tnow - stalled;\n if (!seeking && stalledDuration >= STALL_MINIMUM_DURATION_MS) {\n // Report stalling after trying to fix\n this._reportStall(bufferInfo.len);\n }\n\n const bufferedWithHoles = BufferHelper.bufferInfo(media, currentTime, config.maxBufferHole);\n this._tryFixBufferStall(bufferedWithHoles, stalledDuration);\n }\n\n // If current position is outside of buffered range and there is a buffered fragment within `maxFragLookUpTolerance`\n // will seek to this buffered fragment. It helps to prevent playback stalls\n seekWithinToleranceIfNeeded() {\n const media = this.media;\n const currentTime = media ? media.currentTime : undefined;\n const { maxFragLookUpTolerance } = this.config;\n\n // Trying to find buffered position within `maxFragLookUpTolerance`. Returns same position if\n // current time is already inside of buffered range or there is no buffered fragment\n // within `maxFragLookUpTolerance`.\n const bufferedPosWithinTolerance =\n BufferHelper.getBufferedPosWithinTolerance(media, currentTime, maxFragLookUpTolerance);\n\n if (currentTime !== bufferedPosWithinTolerance) {\n logger.log(`seeking to position within maxFragLookUpTolerance - ${bufferedPosWithinTolerance}`);\n media.currentTime = bufferedPosWithinTolerance;\n return true;\n }\n\n return false;\n }\n\n /**\n * Detects and attempts to fix known buffer stalling issues.\n * @param bufferInfo - The properties of the current buffer.\n * @param stalledDurationMs - The amount of time Hls.js has been stalling for.\n * @private\n */\n _tryFixBufferStall (bufferInfo, stalledDurationMs) {\n const { config, fragmentTracker, media } = this;\n const currentTime = media.currentTime;\n\n const partial = fragmentTracker.getPartialFragment(currentTime);\n if (partial) {\n // Try to skip over the buffer hole caused by a partial fragment\n // This method isn't limited by the size of the gap between buffered ranges\n const targetTime = this._trySkipBufferHole(partial);\n // we return here in this case, meaning\n // the branch below only executes when we don't handle a partial fragment\n if (targetTime) {\n return;\n }\n }\n\n // if we haven't had to skip over a buffer hole of a partial fragment\n // we may just have to \"nudge\" the playlist as the browser decoding/rendering engine\n // needs to cross some sort of threshold covering all source-buffers content\n // to start playing properly.\n if (bufferInfo.len > config.maxBufferHole &&\n stalledDurationMs > config.highBufferWatchdogPeriod * 1000) {\n logger.warn('Trying to nudge playhead over buffer-hole');\n // Try to nudge currentTime over a buffer hole if we've been stalling for the configured amount of seconds\n // We only try to jump the hole if it's under the configured size\n // Reset stalled so to rearm watchdog timer\n this.stalled = null;\n this._tryNudgeBuffer();\n }\n }\n\n /**\n * Triggers a BUFFER_STALLED_ERROR event, but only once per stall period.\n * @param bufferLen - The playhead distance from the end of the current buffer segment.\n * @private\n */\n _reportStall (bufferLen) {\n const { hls, media, stallReported } = this;\n if (!stallReported) {\n // Report stalled error once\n this.stallReported = true;\n logger.warn(`Playback stalling at @${media.currentTime} due to low buffer`);\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_STALLED_ERROR,\n fatal: false,\n buffer: bufferLen\n });\n }\n }\n\n /**\n * Attempts to fix buffer stalls by jumping over known gaps caused by partial fragments\n * @param partial - The partial fragment found at the current time (where playback is stalling).\n * @private\n */\n _trySkipBufferHole (partial) {\n const { config, hls, media } = this;\n const currentTime = media.currentTime;\n let lastEndTime = 0;\n // Check if currentTime is between unbuffered regions of partial fragments\n for (let i = 0; i < media.buffered.length; i++) {\n const startTime = media.buffered.start(i);\n if (currentTime + config.maxBufferHole >= lastEndTime && currentTime < startTime) {\n const targetTime = Math.max(startTime + SKIP_BUFFER_RANGE_START, media.currentTime + SKIP_BUFFER_HOLE_STEP_SECONDS);\n logger.warn(`skipping hole, adjusting currentTime from ${currentTime} to ${targetTime}`);\n this.moved = true;\n this.stalled = null;\n media.currentTime = targetTime;\n if (partial) {\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_SEEK_OVER_HOLE,\n fatal: false,\n reason: `fragment loaded with buffer holes, seeking from ${currentTime} to ${targetTime}`,\n frag: partial\n });\n }\n return targetTime;\n }\n lastEndTime = media.buffered.end(i);\n }\n return 0;\n }\n\n /**\n * Attempts to fix buffer stalls by advancing the mediaElement's current time by a small amount.\n * @private\n */\n _tryNudgeBuffer () {\n const { config, hls, media } = this;\n const currentTime = media.currentTime;\n const nudgeRetry = (this.nudgeRetry || 0) + 1;\n this.nudgeRetry = nudgeRetry;\n\n if (nudgeRetry < config.nudgeMaxRetry) {\n const targetTime = currentTime + nudgeRetry * config.nudgeOffset;\n // playback stalled in buffered area ... let's nudge currentTime to try to overcome this\n logger.warn(`Nudging 'currentTime' from ${currentTime} to ${targetTime}`);\n media.currentTime = targetTime;\n\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_NUDGE_ON_STALL,\n fatal: false\n });\n } else {\n logger.error(`Playhead still not moving while enough data buffered @${currentTime} after ${config.nudgeMaxRetry} nudges`);\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_STALLED_ERROR,\n fatal: true\n });\n }\n }\n}\n","import TaskLoop from '../task-loop';\nimport { FragmentState } from './fragment-tracker';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport { logger } from '../utils/logger';\n\nexport const State = {\n STOPPED: 'STOPPED',\n STARTING: 'STARTING',\n IDLE: 'IDLE',\n PAUSED: 'PAUSED',\n KEY_LOADING: 'KEY_LOADING',\n FRAG_LOADING: 'FRAG_LOADING',\n FRAG_LOADING_WAITING_RETRY: 'FRAG_LOADING_WAITING_RETRY',\n WAITING_TRACK: 'WAITING_TRACK',\n PARSING: 'PARSING',\n PARSED: 'PARSED',\n BUFFER_FLUSHING: 'BUFFER_FLUSHING',\n ENDED: 'ENDED',\n ERROR: 'ERROR',\n WAITING_INIT_PTS: 'WAITING_INIT_PTS',\n WAITING_LEVEL: 'WAITING_LEVEL'\n};\n\nexport default class BaseStreamController extends TaskLoop {\n doTick () {}\n\n startLoad () {}\n\n stopLoad () {\n let frag = this.fragCurrent;\n if (frag) {\n if (frag.loader) {\n frag.loader.abort();\n }\n this.fragmentTracker.removeFragment(frag);\n }\n if (this.demuxer) {\n this.demuxer.destroy();\n this.demuxer = null;\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n this.clearInterval();\n this.clearNextTick();\n this.state = State.STOPPED;\n }\n\n _streamEnded (bufferInfo, levelDetails) {\n const { fragCurrent, fragmentTracker } = this;\n // we just got done loading the final fragment and there is no other buffered range after ...\n // rationale is that in case there are any buffered ranges after, it means that there are unbuffered portion in between\n // so we should not switch to ENDED in that case, to be able to buffer them\n // dont switch to ENDED if we need to backtrack last fragment\n if (!levelDetails.live && fragCurrent && !fragCurrent.backtracked && fragCurrent.sn === levelDetails.endSN && !bufferInfo.nextStart) {\n const fragState = fragmentTracker.getState(fragCurrent);\n return fragState === FragmentState.PARTIAL || fragState === FragmentState.OK;\n }\n return false;\n }\n\n onMediaSeeking () {\n const { config, media, mediaBuffer, state } = this;\n const currentTime = media ? media.currentTime : null;\n const bufferInfo = BufferHelper.bufferInfo(mediaBuffer || media, currentTime, this.config.maxBufferHole);\n\n if (Number.isFinite(currentTime)) {\n logger.log(`media seeking to ${currentTime.toFixed(3)}`);\n }\n\n if (state === State.FRAG_LOADING) {\n let fragCurrent = this.fragCurrent;\n // check if we are seeking to a unbuffered area AND if frag loading is in progress\n if (bufferInfo.len === 0 && fragCurrent) {\n const tolerance = config.maxFragLookUpTolerance;\n const fragStartOffset = fragCurrent.start - tolerance;\n const fragEndOffset = fragCurrent.start + fragCurrent.duration + tolerance;\n // check if we seek position will be out of currently loaded frag range : if out cancel frag load, if in, don't do anything\n if (currentTime < fragStartOffset || currentTime > fragEndOffset) {\n if (fragCurrent.loader) {\n logger.log('seeking outside of buffer while fragment load in progress, cancel fragment load');\n fragCurrent.loader.abort();\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n // switch to IDLE state to load new fragment\n this.state = State.IDLE;\n } else {\n logger.log('seeking outside of buffer but within currently loaded fragment range');\n }\n }\n } else if (state === State.ENDED) {\n // if seeking to unbuffered area, clean up fragPrevious\n if (bufferInfo.len === 0) {\n this.fragPrevious = null;\n this.fragCurrent = null;\n }\n\n // switch to IDLE state to check for potential new fragment\n this.state = State.IDLE;\n }\n if (media) {\n this.lastCurrentTime = currentTime;\n }\n\n // in case seeking occurs although no media buffered, adjust startPosition and nextLoadPosition to seek target\n if (!this.loadedmetadata) {\n this.nextLoadPosition = this.startPosition = currentTime;\n }\n\n // tick to speed up processing\n this.tick();\n }\n\n onMediaEnded () {\n // reset startPosition and lastCurrentTime to restart playback @ stream beginning\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n onHandlerDestroying () {\n this.stopLoad();\n super.onHandlerDestroying();\n }\n\n onHandlerDestroyed () {\n this.state = State.STOPPED;\n this.fragmentTracker = null;\n }\n\n computeLivePosition (sliding, levelDetails) {\n let targetLatency = this.config.liveSyncDuration !== undefined ? this.config.liveSyncDuration : this.config.liveSyncDurationCount * levelDetails.targetduration;\n return sliding + Math.max(0, levelDetails.totalduration - targetLatency);\n }\n}\n","/*\n * Stream Controller\n*/\n\nimport BinarySearch from '../utils/binary-search';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport Demuxer from '../demux/demuxer';\nimport Event from '../events';\nimport { FragmentState } from './fragment-tracker';\nimport { ElementaryStreamTypes } from '../loader/fragment';\nimport { PlaylistLevelType } from '../types/loader';\nimport * as LevelHelper from './level-helper';\nimport TimeRanges from '../utils/time-ranges';\nimport { ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport { alignStream } from '../utils/discontinuities';\nimport { findFragmentByPDT, findFragmentByPTS } from './fragment-finders';\nimport GapController from './gap-controller';\nimport BaseStreamController, { State } from './base-stream-controller';\n\nconst TICK_INTERVAL = 100; // how often to tick in ms\n\nclass StreamController extends BaseStreamController {\n constructor (hls, fragmentTracker) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.MANIFEST_LOADING,\n Event.MANIFEST_PARSED,\n Event.LEVEL_LOADED,\n Event.KEY_LOADED,\n Event.FRAG_LOADED,\n Event.FRAG_LOAD_EMERGENCY_ABORTED,\n Event.FRAG_PARSING_INIT_SEGMENT,\n Event.FRAG_PARSING_DATA,\n Event.FRAG_PARSED,\n Event.ERROR,\n Event.AUDIO_TRACK_SWITCHING,\n Event.AUDIO_TRACK_SWITCHED,\n Event.BUFFER_CREATED,\n Event.BUFFER_APPENDED,\n Event.BUFFER_FLUSHED);\n\n this.fragmentTracker = fragmentTracker;\n this.config = hls.config;\n this.audioCodecSwap = false;\n this._state = State.STOPPED;\n this.stallReported = false;\n this.gapController = null;\n this.altAudio = false;\n }\n\n startLoad (startPosition) {\n if (this.levels) {\n let lastCurrentTime = this.lastCurrentTime, hls = this.hls;\n this.stopLoad();\n this.setInterval(TICK_INTERVAL);\n this.level = -1;\n this.fragLoadError = 0;\n if (!this.startFragRequested) {\n // determine load level\n let startLevel = hls.startLevel;\n if (startLevel === -1) {\n // -1 : guess start Level by doing a bitrate test by loading first fragment of lowest quality level\n startLevel = 0;\n this.bitrateTest = true;\n }\n // set new level to playlist loader : this will trigger start level load\n // hls.nextLoadLevel remains until it is set to a new value or until a new frag is successfully loaded\n this.level = hls.nextLoadLevel = startLevel;\n this.loadedmetadata = false;\n }\n // if startPosition undefined but lastCurrentTime set, set startPosition to last currentTime\n if (lastCurrentTime > 0 && startPosition === -1) {\n logger.log(`override startPosition with lastCurrentTime @${lastCurrentTime.toFixed(3)}`);\n startPosition = lastCurrentTime;\n }\n this.state = State.IDLE;\n this.nextLoadPosition = this.startPosition = this.lastCurrentTime = startPosition;\n this.tick();\n } else {\n this.forceStartLoad = true;\n this.state = State.STOPPED;\n }\n }\n\n stopLoad () {\n this.forceStartLoad = false;\n super.stopLoad();\n }\n\n doTick () {\n switch (this.state) {\n case State.BUFFER_FLUSHING:\n // in buffer flushing state, reset fragLoadError counter\n this.fragLoadError = 0;\n break;\n case State.IDLE:\n this._doTickIdle();\n break;\n case State.WAITING_LEVEL:\n var level = this.levels[this.level];\n // check if playlist is already loaded\n if (level && level.details) {\n this.state = State.IDLE;\n }\n\n break;\n case State.FRAG_LOADING_WAITING_RETRY:\n var now = window.performance.now();\n var retryDate = this.retryDate;\n // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading\n if (!retryDate || (now >= retryDate) || (this.media && this.media.seeking)) {\n logger.log('mediaController: retryDate reached, switch back to IDLE state');\n this.state = State.IDLE;\n }\n break;\n case State.ERROR:\n case State.STOPPED:\n case State.FRAG_LOADING:\n case State.PARSING:\n case State.PARSED:\n case State.ENDED:\n break;\n default:\n break;\n }\n // check buffer\n this._checkBuffer();\n // check/update current fragment\n this._checkFragmentChanged();\n }\n\n // Ironically the \"idle\" state is the on we do the most logic in it seems ....\n // NOTE: Maybe we could rather schedule a check for buffer length after half of the currently\n // played segment, or on pause/play/seek instead of naively checking every 100ms?\n _doTickIdle () {\n const hls = this.hls,\n config = hls.config,\n media = this.media;\n\n // if start level not parsed yet OR\n // if video not attached AND start fragment already requested OR start frag prefetch disable\n // exit loop, as we either need more info (level not parsed) or we need media to be attached to load new fragment\n if (this.levelLastLoaded === undefined || (\n !media && (this.startFragRequested || !config.startFragPrefetch))) {\n return;\n }\n\n // if we have not yet loaded any fragment, start loading from start position\n let pos;\n if (this.loadedmetadata) {\n pos = media.currentTime;\n } else {\n pos = this.nextLoadPosition;\n }\n\n // determine next load level\n let level = hls.nextLoadLevel,\n levelInfo = this.levels[level];\n\n if (!levelInfo) {\n return;\n }\n\n let levelBitrate = levelInfo.bitrate,\n maxBufLen;\n\n // compute max Buffer Length that we could get from this load level, based on level bitrate.\n if (levelBitrate) {\n maxBufLen = Math.max(8 * config.maxBufferSize / levelBitrate, config.maxBufferLength);\n } else {\n maxBufLen = config.maxBufferLength;\n }\n\n maxBufLen = Math.min(maxBufLen, config.maxMaxBufferLength);\n\n // determine next candidate fragment to be loaded, based on current position and end of buffer position\n // ensure up to `config.maxMaxBufferLength` of buffer upfront\n\n const bufferInfo = BufferHelper.bufferInfo(this.mediaBuffer ? this.mediaBuffer : media, pos, config.maxBufferHole),\n bufferLen = bufferInfo.len;\n // Stay idle if we are still with buffer margins\n if (bufferLen >= maxBufLen) {\n return;\n }\n\n // if buffer length is less than maxBufLen try to load a new fragment ...\n logger.trace(`buffer length of ${bufferLen.toFixed(3)} is below max of ${maxBufLen.toFixed(3)}. checking for more payload ...`);\n\n // set next load level : this will trigger a playlist load if needed\n this.level = hls.nextLoadLevel = level;\n\n const levelDetails = levelInfo.details;\n // if level info not retrieved yet, switch state and wait for level retrieval\n // if live playlist, ensure that new playlist has been refreshed to avoid loading/try to load\n // a useless and outdated fragment (that might even introduce load error if it is already out of the live playlist)\n if (!levelDetails || (levelDetails.live && this.levelLastLoaded !== level)) {\n this.state = State.WAITING_LEVEL;\n return;\n }\n\n if (this._streamEnded(bufferInfo, levelDetails)) {\n const data = {};\n if (this.altAudio) {\n data.type = 'video';\n }\n\n this.hls.trigger(Event.BUFFER_EOS, data);\n this.state = State.ENDED;\n return;\n }\n // if we have the levelDetails for the selected variant, lets continue enrichen our stream (load keys/fragments or trigger EOS, etc..)\n this._fetchPayloadOrEos(pos, bufferInfo, levelDetails);\n }\n\n _fetchPayloadOrEos (pos, bufferInfo, levelDetails) {\n const fragPrevious = this.fragPrevious,\n level = this.level,\n fragments = levelDetails.fragments,\n fragLen = fragments.length;\n\n // empty playlist\n if (fragLen === 0) {\n return;\n }\n\n // find fragment index, contiguous with end of buffer position\n let start = fragments[0].start,\n end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration,\n bufferEnd = bufferInfo.end,\n frag;\n\n if (levelDetails.initSegment && !levelDetails.initSegment.data) {\n frag = levelDetails.initSegment;\n } else {\n // in case of live playlist we need to ensure that requested position is not located before playlist start\n if (levelDetails.live) {\n let initialLiveManifestSize = this.config.initialLiveManifestSize;\n if (fragLen < initialLiveManifestSize) {\n logger.warn(`Can not start playback of a level, reason: not enough fragments ${fragLen} < ${initialLiveManifestSize}`);\n return;\n }\n\n frag = this._ensureFragmentAtLivePoint(levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen);\n // if it explicitely returns null don't load any fragment and exit function now\n if (frag === null) {\n return;\n }\n } else {\n // VoD playlist: if bufferEnd before start of playlist, load first fragment\n if (bufferEnd < start) {\n frag = fragments[0];\n }\n }\n }\n if (!frag) {\n frag = this._findFragment(start, fragPrevious, fragLen, fragments, bufferEnd, end, levelDetails);\n }\n\n if (frag) {\n if (frag.encrypted) {\n logger.log(`Loading key for ${frag.sn} of [${levelDetails.startSN} ,${levelDetails.endSN}],level ${level}`);\n this._loadKey(frag);\n } else {\n logger.log(`Loading ${frag.sn} of [${levelDetails.startSN} ,${levelDetails.endSN}],level ${level}, currentTime:${pos.toFixed(3)},bufferEnd:${bufferEnd.toFixed(3)}`);\n this._loadFragment(frag);\n }\n }\n }\n\n _ensureFragmentAtLivePoint (levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen) {\n const config = this.hls.config, media = this.media;\n\n let frag;\n\n // check if requested position is within seekable boundaries :\n // logger.log(`start/pos/bufEnd/seeking:${start.toFixed(3)}/${pos.toFixed(3)}/${bufferEnd.toFixed(3)}/${this.media.seeking}`);\n let maxLatency = config.liveMaxLatencyDuration !== undefined ? config.liveMaxLatencyDuration : config.liveMaxLatencyDurationCount * levelDetails.targetduration;\n\n if (bufferEnd < Math.max(start - config.maxFragLookUpTolerance, end - maxLatency)) {\n let liveSyncPosition = this.liveSyncPosition = this.computeLivePosition(start, levelDetails);\n bufferEnd = liveSyncPosition;\n if (media && !media.paused && media.readyState && media.duration > liveSyncPosition && liveSyncPosition > media.currentTime) {\n logger.log(`buffer end: ${bufferEnd.toFixed(3)} is located too far from the end of live sliding playlist, reset currentTime to : ${liveSyncPosition.toFixed(3)}`);\n media.currentTime = liveSyncPosition;\n }\n\n this.nextLoadPosition = liveSyncPosition;\n }\n\n // if end of buffer greater than live edge, don't load any fragment\n // this could happen if live playlist intermittently slides in the past.\n // level 1 loaded [182580161,182580167]\n // level 1 loaded [182580162,182580169]\n // Loading 182580168 of [182580162 ,182580169],level 1 ..\n // Loading 182580169 of [182580162 ,182580169],level 1 ..\n // level 1 loaded [182580162,182580168] <============= here we should have bufferEnd > end. in that case break to avoid reloading 182580168\n // level 1 loaded [182580164,182580171]\n //\n // don't return null in case media not loaded yet (readystate === 0)\n if (levelDetails.PTSKnown && bufferEnd > end && media && media.readyState) {\n return null;\n }\n\n if (this.startFragRequested && !levelDetails.PTSKnown) {\n /* we are switching level on live playlist, but we don't have any PTS info for that quality level ...\n try to load frag matching with next SN.\n even if SN are not synchronized between playlists, loading this frag will help us\n compute playlist sliding and find the right one after in case it was not the right consecutive one */\n if (fragPrevious) {\n if (levelDetails.hasProgramDateTime) {\n // Relies on PDT in order to switch bitrates (Support EXT-X-DISCONTINUITY without EXT-X-DISCONTINUITY-SEQUENCE)\n logger.log(`live playlist, switching playlist, load frag with same PDT: ${fragPrevious.programDateTime}`);\n frag = findFragmentByPDT(fragments, fragPrevious.endProgramDateTime, config.maxFragLookUpTolerance);\n } else {\n // Uses buffer and sequence number to calculate switch segment (required if using EXT-X-DISCONTINUITY-SEQUENCE)\n const targetSN = fragPrevious.sn + 1;\n if (targetSN >= levelDetails.startSN && targetSN <= levelDetails.endSN) {\n const fragNext = fragments[targetSN - levelDetails.startSN];\n if (fragPrevious.cc === fragNext.cc) {\n frag = fragNext;\n logger.log(`live playlist, switching playlist, load frag with next SN: ${frag.sn}`);\n }\n }\n // next frag SN not available (or not with same continuity counter)\n // look for a frag sharing the same CC\n if (!frag) {\n frag = BinarySearch.search(fragments, function (frag) {\n return fragPrevious.cc - frag.cc;\n });\n if (frag) {\n logger.log(`live playlist, switching playlist, load frag with same CC: ${frag.sn}`);\n }\n }\n }\n }\n if (!frag) {\n /* we have no idea about which fragment should be loaded.\n so let's load mid fragment. it will help computing playlist sliding and find the right one\n */\n frag = fragments[Math.min(fragLen - 1, Math.round(fragLen / 2))];\n logger.log(`live playlist, switching playlist, unknown, load middle frag : ${frag.sn}`);\n }\n }\n\n return frag;\n }\n\n _findFragment (start, fragPreviousLoad, fragmentIndexRange, fragments, bufferEnd, end, levelDetails) {\n const config = this.hls.config;\n let fragNextLoad;\n\n if (bufferEnd < end) {\n const lookupTolerance = (bufferEnd > end - config.maxFragLookUpTolerance) ? 0 : config.maxFragLookUpTolerance;\n // Remove the tolerance if it would put the bufferEnd past the actual end of stream\n // Uses buffer and sequence number to calculate switch segment (required if using EXT-X-DISCONTINUITY-SEQUENCE)\n fragNextLoad = findFragmentByPTS(fragPreviousLoad, fragments, bufferEnd, lookupTolerance);\n } else {\n // reach end of playlist\n fragNextLoad = fragments[fragmentIndexRange - 1];\n }\n\n if (fragNextLoad) {\n const curSNIdx = fragNextLoad.sn - levelDetails.startSN;\n const sameLevel = fragPreviousLoad && fragNextLoad.level === fragPreviousLoad.level;\n const prevSnFrag = fragments[curSNIdx - 1];\n const nextSnFrag = fragments[curSNIdx + 1];\n\n // logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn);\n if (fragPreviousLoad && fragNextLoad.sn === fragPreviousLoad.sn) {\n if (sameLevel && !fragNextLoad.backtracked) {\n if (fragNextLoad.sn < levelDetails.endSN) {\n let deltaPTS = fragPreviousLoad.deltaPTS;\n // if there is a significant delta between audio and video, larger than max allowed hole,\n // and if previous remuxed fragment did not start with a keyframe. (fragPrevious.dropped)\n // let's try to load previous fragment again to get last keyframe\n // then we will reload again current fragment (that way we should be able to fill the buffer hole ...)\n if (deltaPTS && deltaPTS > config.maxBufferHole && fragPreviousLoad.dropped && curSNIdx) {\n fragNextLoad = prevSnFrag;\n logger.warn('Previous fragment was dropped with large PTS gap between audio and video. Maybe fragment is not starting with a keyframe? Loading previous one to try to overcome this');\n } else {\n fragNextLoad = nextSnFrag;\n logger.log(`Re-loading fragment with SN: ${fragNextLoad.sn}`);\n }\n } else {\n fragNextLoad = null;\n }\n } else if (fragNextLoad.backtracked) {\n // Only backtrack a max of 1 consecutive fragment to prevent sliding back too far when little or no frags start with keyframes\n if (nextSnFrag && nextSnFrag.backtracked) {\n logger.warn(`Already backtracked from fragment ${nextSnFrag.sn}, will not backtrack to fragment ${fragNextLoad.sn}. Loading fragment ${nextSnFrag.sn}`);\n fragNextLoad = nextSnFrag;\n } else {\n // If a fragment has dropped frames and it's in a same level/sequence, load the previous fragment to try and find the keyframe\n // Reset the dropped count now since it won't be reset until we parse the fragment again, which prevents infinite backtracking on the same segment\n logger.warn('Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe');\n fragNextLoad.dropped = 0;\n if (prevSnFrag) {\n fragNextLoad = prevSnFrag;\n fragNextLoad.backtracked = true;\n } else if (curSNIdx) {\n // can't backtrack on very first fragment\n fragNextLoad = null;\n }\n }\n }\n }\n }\n\n return fragNextLoad;\n }\n\n _loadKey (frag) {\n this.state = State.KEY_LOADING;\n this.hls.trigger(Event.KEY_LOADING, { frag });\n }\n\n _loadFragment (frag) {\n // Check if fragment is not loaded\n let fragState = this.fragmentTracker.getState(frag);\n\n this.fragCurrent = frag;\n if (frag.sn !== 'initSegment') {\n this.startFragRequested = true;\n }\n // Don't update nextLoadPosition for fragments which are not buffered\n if (Number.isFinite(frag.sn) && !frag.bitrateTest) {\n this.nextLoadPosition = frag.start + frag.duration;\n }\n\n // Allow backtracked fragments to load\n if (frag.backtracked || fragState === FragmentState.NOT_LOADED || fragState === FragmentState.PARTIAL) {\n frag.autoLevel = this.hls.autoLevelEnabled;\n frag.bitrateTest = this.bitrateTest;\n\n this.hls.trigger(Event.FRAG_LOADING, { frag });\n // lazy demuxer init, as this could take some time ... do it during frag loading\n if (!this.demuxer) {\n this.demuxer = new Demuxer(this.hls, 'main');\n }\n\n this.state = State.FRAG_LOADING;\n } else if (fragState === FragmentState.APPENDING) {\n // Lower the buffer size and try again\n if (this._reduceMaxBufferLength(frag.duration)) {\n this.fragmentTracker.removeFragment(frag);\n }\n }\n }\n\n set state (nextState) {\n if (this.state !== nextState) {\n const previousState = this.state;\n this._state = nextState;\n logger.log(`main stream-controller: ${previousState}->${nextState}`);\n this.hls.trigger(Event.STREAM_STATE_TRANSITION, { previousState, nextState });\n }\n }\n\n get state () {\n return this._state;\n }\n\n getBufferedFrag (position) {\n return this.fragmentTracker.getBufferedFrag(position, PlaylistLevelType.MAIN);\n }\n\n get currentLevel () {\n let media = this.media;\n if (media) {\n const frag = this.getBufferedFrag(media.currentTime);\n if (frag) {\n return frag.level;\n }\n }\n return -1;\n }\n\n get nextBufferedFrag () {\n let media = this.media;\n if (media) {\n // first get end range of current fragment\n return this.followingBufferedFrag(this.getBufferedFrag(media.currentTime));\n } else {\n return null;\n }\n }\n\n followingBufferedFrag (frag) {\n if (frag) {\n // try to get range of next fragment (500ms after this range)\n return this.getBufferedFrag(frag.endPTS + 0.5);\n }\n return null;\n }\n\n get nextLevel () {\n const frag = this.nextBufferedFrag;\n if (frag) {\n return frag.level;\n } else {\n return -1;\n }\n }\n\n _checkFragmentChanged () {\n let fragPlayingCurrent, currentTime, video = this.media;\n if (video && video.readyState && video.seeking === false) {\n currentTime = video.currentTime;\n /* if video element is in seeked state, currentTime can only increase.\n (assuming that playback rate is positive ...)\n As sometimes currentTime jumps back to zero after a\n media decode error, check this, to avoid seeking back to\n wrong position after a media decode error\n */\n if (currentTime > this.lastCurrentTime) {\n this.lastCurrentTime = currentTime;\n }\n\n if (BufferHelper.isBuffered(video, currentTime)) {\n fragPlayingCurrent = this.getBufferedFrag(currentTime);\n } else if (BufferHelper.isBuffered(video, currentTime + 0.1)) {\n /* ensure that FRAG_CHANGED event is triggered at startup,\n when first video frame is displayed and playback is paused.\n add a tolerance of 100ms, in case current position is not buffered,\n check if current pos+100ms is buffered and use that buffer range\n for FRAG_CHANGED event reporting */\n fragPlayingCurrent = this.getBufferedFrag(currentTime + 0.1);\n }\n if (fragPlayingCurrent) {\n let fragPlaying = fragPlayingCurrent;\n if (fragPlaying !== this.fragPlaying) {\n this.hls.trigger(Event.FRAG_CHANGED, { frag: fragPlaying });\n const fragPlayingLevel = fragPlaying.level;\n if (!this.fragPlaying || this.fragPlaying.level !== fragPlayingLevel) {\n this.hls.trigger(Event.LEVEL_SWITCHED, { level: fragPlayingLevel });\n }\n\n this.fragPlaying = fragPlaying;\n }\n }\n }\n }\n\n /*\n on immediate level switch :\n - pause playback if playing\n - cancel any pending load request\n - and trigger a buffer flush\n */\n immediateLevelSwitch () {\n logger.log('immediateLevelSwitch');\n if (!this.immediateSwitch) {\n this.immediateSwitch = true;\n let media = this.media, previouslyPaused;\n if (media) {\n previouslyPaused = media.paused;\n media.pause();\n } else {\n // don't restart playback after instant level switch in case media not attached\n previouslyPaused = true;\n }\n this.previouslyPaused = previouslyPaused;\n }\n let fragCurrent = this.fragCurrent;\n if (fragCurrent && fragCurrent.loader) {\n fragCurrent.loader.abort();\n }\n\n this.fragCurrent = null;\n // flush everything\n this.flushMainBuffer(0, Number.POSITIVE_INFINITY);\n }\n\n /**\n * on immediate level switch end, after new fragment has been buffered:\n * - nudge video decoder by slightly adjusting video currentTime (if currentTime buffered)\n * - resume the playback if needed\n */\n immediateLevelSwitchEnd () {\n const media = this.media;\n if (media && media.buffered.length) {\n this.immediateSwitch = false;\n if (BufferHelper.isBuffered(media, media.currentTime)) {\n // only nudge if currentTime is buffered\n media.currentTime -= 0.0001;\n }\n if (!this.previouslyPaused) {\n media.play();\n }\n }\n }\n\n /**\n * try to switch ASAP without breaking video playback:\n * in order to ensure smooth but quick level switching,\n * we need to find the next flushable buffer range\n * we should take into account new segment fetch time\n */\n nextLevelSwitch () {\n const media = this.media;\n // ensure that media is defined and that metadata are available (to retrieve currentTime)\n if (media && media.readyState) {\n let fetchdelay, fragPlayingCurrent, nextBufferedFrag;\n fragPlayingCurrent = this.getBufferedFrag(media.currentTime);\n if (fragPlayingCurrent && fragPlayingCurrent.startPTS > 1) {\n // flush buffer preceding current fragment (flush until current fragment start offset)\n // minus 1s to avoid video freezing, that could happen if we flush keyframe of current video ...\n this.flushMainBuffer(0, fragPlayingCurrent.startPTS - 1);\n }\n if (!media.paused) {\n // add a safety delay of 1s\n let nextLevelId = this.hls.nextLoadLevel, nextLevel = this.levels[nextLevelId], fragLastKbps = this.fragLastKbps;\n if (fragLastKbps && this.fragCurrent) {\n fetchdelay = this.fragCurrent.duration * nextLevel.bitrate / (1000 * fragLastKbps) + 1;\n } else {\n fetchdelay = 0;\n }\n } else {\n fetchdelay = 0;\n }\n // logger.log('fetchdelay:'+fetchdelay);\n // find buffer range that will be reached once new fragment will be fetched\n nextBufferedFrag = this.getBufferedFrag(media.currentTime + fetchdelay);\n if (nextBufferedFrag) {\n // we can flush buffer range following this one without stalling playback\n nextBufferedFrag = this.followingBufferedFrag(nextBufferedFrag);\n if (nextBufferedFrag) {\n // if we are here, we can also cancel any loading/demuxing in progress, as they are useless\n let fragCurrent = this.fragCurrent;\n if (fragCurrent && fragCurrent.loader) {\n fragCurrent.loader.abort();\n }\n\n this.fragCurrent = null;\n // start flush position is the start PTS of next buffered frag.\n // we use frag.naxStartPTS which is max(audio startPTS, video startPTS).\n // in case there is a small PTS Delta between audio and video, using maxStartPTS avoids flushing last samples from current fragment\n this.flushMainBuffer(nextBufferedFrag.maxStartPTS, Number.POSITIVE_INFINITY);\n }\n }\n }\n }\n\n flushMainBuffer (startOffset, endOffset) {\n this.state = State.BUFFER_FLUSHING;\n let flushScope = { startOffset: startOffset, endOffset: endOffset };\n // if alternate audio tracks are used, only flush video, otherwise flush everything\n if (this.altAudio) {\n flushScope.type = 'video';\n }\n\n this.hls.trigger(Event.BUFFER_FLUSHING, flushScope);\n }\n\n onMediaAttached (data) {\n let media = this.media = this.mediaBuffer = data.media;\n this.onvseeking = this.onMediaSeeking.bind(this);\n this.onvseeked = this.onMediaSeeked.bind(this);\n this.onvended = this.onMediaEnded.bind(this);\n media.addEventListener('seeking', this.onvseeking);\n media.addEventListener('seeked', this.onvseeked);\n media.addEventListener('ended', this.onvended);\n let config = this.config;\n if (this.levels && config.autoStartLoad) {\n this.hls.startLoad(config.startPosition);\n }\n\n this.gapController = new GapController(config, media, this.fragmentTracker, this.hls);\n }\n\n onMediaDetaching () {\n let media = this.media;\n if (media && media.ended) {\n logger.log('MSE detaching and video ended, reset startPosition');\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n // reset fragment backtracked flag\n let levels = this.levels;\n if (levels) {\n levels.forEach(level => {\n if (level.details) {\n level.details.fragments.forEach(fragment => {\n fragment.backtracked = undefined;\n });\n }\n });\n }\n\n // remove video listeners\n if (media) {\n media.removeEventListener('seeking', this.onvseeking);\n media.removeEventListener('seeked', this.onvseeked);\n media.removeEventListener('ended', this.onvended);\n this.onvseeking = this.onvseeked = this.onvended = null;\n }\n\n this.fragmentTracker.removeAllFragments();\n this.media = this.mediaBuffer = null;\n this.loadedmetadata = false;\n this.stopLoad();\n }\n\n onMediaSeeked () {\n const media = this.media;\n const currentTime = media ? media.currentTime : undefined;\n const { seekWithinTolerance } = this.config;\n\n // We are not firing Event.CAN_PLAY_AFTER_SEEK only if we are seeking again to reach buffered fragment.\n if (!seekWithinTolerance || !this.gapController.seekWithinToleranceIfNeeded()) {\n this.hls.trigger(Event.CAN_PLAY_AFTER_SEEK);\n }\n\n if (Number.isFinite(currentTime)) {\n logger.log(`media seeked to ${currentTime.toFixed(3)}`);\n }\n\n // tick to speed up FRAGMENT_PLAYING triggering\n this.tick();\n }\n\n onManifestLoading () {\n // reset buffer on manifest loading\n logger.log('trigger BUFFER_RESET');\n this.hls.trigger(Event.BUFFER_RESET);\n this.fragmentTracker.removeAllFragments();\n this.stalled = false;\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n onManifestParsed (data) {\n let aac = false, heaac = false, codec;\n data.levels.forEach(level => {\n // detect if we have different kind of audio codecs used amongst playlists\n codec = level.audioCodec;\n if (codec) {\n if (codec.indexOf('mp4a.40.2') !== -1) {\n aac = true;\n }\n\n if (codec.indexOf('mp4a.40.5') !== -1) {\n heaac = true;\n }\n }\n });\n this.audioCodecSwitch = (aac && heaac);\n if (this.audioCodecSwitch) {\n logger.log('both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC');\n }\n\n this.altAudio = data.altAudio;\n this.levels = data.levels;\n this.startFragRequested = false;\n let config = this.config;\n if (config.autoStartLoad || this.forceStartLoad) {\n this.hls.startLoad(config.startPosition);\n }\n }\n\n onLevelLoaded (data) {\n const newDetails = data.details;\n const newLevelId = data.level;\n const lastLevel = this.levels[this.levelLastLoaded];\n const curLevel = this.levels[newLevelId];\n const duration = newDetails.totalduration;\n let sliding = 0;\n\n logger.log(`level ${newLevelId} loaded [${newDetails.startSN},${newDetails.endSN}],duration:${duration}`);\n\n if (newDetails.live) {\n let curDetails = curLevel.details;\n if (curDetails && newDetails.fragments.length > 0) {\n // we already have details for that level, merge them\n LevelHelper.mergeDetails(curDetails, newDetails);\n sliding = newDetails.fragments[0].start;\n this.liveSyncPosition = this.computeLivePosition(sliding, curDetails);\n if (newDetails.PTSKnown && Number.isFinite(sliding)) {\n logger.log(`live playlist sliding:${sliding.toFixed(3)}`);\n } else {\n logger.log('live playlist - outdated PTS, unknown sliding');\n alignStream(this.fragPrevious, lastLevel, newDetails);\n }\n } else {\n logger.log('live playlist - first load, unknown sliding');\n newDetails.PTSKnown = false;\n alignStream(this.fragPrevious, lastLevel, newDetails);\n }\n } else {\n newDetails.PTSKnown = false;\n }\n // override level info\n curLevel.details = newDetails;\n this.levelLastLoaded = newLevelId;\n this.hls.trigger(Event.LEVEL_UPDATED, { details: newDetails, level: newLevelId });\n\n if (this.startFragRequested === false) {\n // compute start position if set to -1. use it straight away if value is defined\n if (this.startPosition === -1 || this.lastCurrentTime === -1) {\n // first, check if start time offset has been set in playlist, if yes, use this value\n let startTimeOffset = newDetails.startTimeOffset;\n if (Number.isFinite(startTimeOffset)) {\n if (startTimeOffset < 0) {\n logger.log(`negative start time offset ${startTimeOffset}, count from end of last fragment`);\n startTimeOffset = sliding + duration + startTimeOffset;\n }\n logger.log(`start time offset found in playlist, adjust startPosition to ${startTimeOffset}`);\n this.startPosition = startTimeOffset;\n } else {\n // if live playlist, set start position to be fragment N-this.config.liveSyncDurationCount (usually 3)\n if (newDetails.live) {\n this.startPosition = this.computeLivePosition(sliding, newDetails);\n logger.log(`configure startPosition to ${this.startPosition}`);\n } else {\n this.startPosition = 0;\n }\n }\n this.lastCurrentTime = this.startPosition;\n }\n this.nextLoadPosition = this.startPosition;\n }\n // only switch batck to IDLE state if we were waiting for level to start downloading a new fragment\n if (this.state === State.WAITING_LEVEL) {\n this.state = State.IDLE;\n }\n\n // trigger handler right now\n this.tick();\n }\n\n onKeyLoaded () {\n if (this.state === State.KEY_LOADING) {\n this.state = State.IDLE;\n this.tick();\n }\n }\n\n onFragLoaded (data) {\n const { fragCurrent, hls, levels, media } = this;\n const fragLoaded = data.frag;\n if (this.state === State.FRAG_LOADING &&\n fragCurrent &&\n fragLoaded.type === 'main' &&\n fragLoaded.level === fragCurrent.level &&\n fragLoaded.sn === fragCurrent.sn) {\n const stats = data.stats;\n const currentLevel = levels[fragCurrent.level];\n const details = currentLevel.details;\n // reset frag bitrate test in any case after frag loaded event\n // if this frag was loaded to perform a bitrate test AND if hls.nextLoadLevel is greater than 0\n // then this means that we should be able to load a fragment at a higher quality level\n this.bitrateTest = false;\n this.stats = stats;\n\n logger.log(`Loaded ${fragCurrent.sn} of [${details.startSN} ,${details.endSN}],level ${fragCurrent.level}`);\n if (fragLoaded.bitrateTest && hls.nextLoadLevel) {\n // switch back to IDLE state ... we just loaded a fragment to determine adequate start bitrate and initialize autoswitch algo\n this.state = State.IDLE;\n this.startFragRequested = false;\n stats.tparsed = stats.tbuffered = window.performance.now();\n hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'main' });\n this.tick();\n } else if (fragLoaded.sn === 'initSegment') {\n this.state = State.IDLE;\n stats.tparsed = stats.tbuffered = window.performance.now();\n details.initSegment.data = data.payload;\n hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'main' });\n this.tick();\n } else {\n logger.log(`Parsing ${fragCurrent.sn} of [${details.startSN} ,${details.endSN}],level ${fragCurrent.level}, cc ${fragCurrent.cc}`);\n this.state = State.PARSING;\n this.pendingBuffering = true;\n this.appended = false;\n\n // Bitrate test frags are not usually buffered so the fragment tracker ignores them. If Hls.js decides to buffer\n // it (and therefore ends up at this line), then the fragment tracker needs to be manually informed.\n if (fragLoaded.bitrateTest) {\n fragLoaded.bitrateTest = false;\n this.fragmentTracker.onFragLoaded({\n frag: fragLoaded\n });\n }\n\n // time Offset is accurate if level PTS is known, or if playlist is not sliding (not live) and if media is not seeking (this is to overcome potential timestamp drifts between playlists and fragments)\n const accurateTimeOffset = !(media && media.seeking) && (details.PTSKnown || !details.live);\n const initSegmentData = details.initSegment ? details.initSegment.data : [];\n const audioCodec = this._getAudioCodec(currentLevel);\n\n // transmux the MPEG-TS data to ISO-BMFF segments\n const demuxer = this.demuxer = this.demuxer || new Demuxer(this.hls, 'main');\n demuxer.push(\n data.payload,\n initSegmentData,\n audioCodec,\n currentLevel.videoCodec,\n fragCurrent,\n details.totalduration,\n accurateTimeOffset\n );\n }\n }\n this.fragLoadError = 0;\n }\n\n onFragParsingInitSegment (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n let tracks = data.tracks, trackName, track;\n\n // if audio track is expected to come from audio stream controller, discard any coming from main\n if (tracks.audio && this.altAudio) {\n delete tracks.audio;\n }\n\n // include levelCodec in audio and video tracks\n track = tracks.audio;\n if (track) {\n let audioCodec = this.levels[this.level].audioCodec,\n ua = navigator.userAgent.toLowerCase();\n if (audioCodec && this.audioCodecSwap) {\n logger.log('swapping playlist audio codec');\n if (audioCodec.indexOf('mp4a.40.5') !== -1) {\n audioCodec = 'mp4a.40.2';\n } else {\n audioCodec = 'mp4a.40.5';\n }\n }\n // in case AAC and HE-AAC audio codecs are signalled in manifest\n // force HE-AAC , as it seems that most browsers prefers that way,\n // except for mono streams OR on FF\n // these conditions might need to be reviewed ...\n if (this.audioCodecSwitch) {\n // don't force HE-AAC if mono stream\n if (track.metadata.channelCount !== 1 &&\n // don't force HE-AAC if firefox\n ua.indexOf('firefox') === -1) {\n audioCodec = 'mp4a.40.5';\n }\n }\n // HE-AAC is broken on Android, always signal audio codec as AAC even if variant manifest states otherwise\n if (ua.indexOf('android') !== -1 && track.container !== 'audio/mpeg') { // Exclude mpeg audio\n audioCodec = 'mp4a.40.2';\n logger.log(`Android: force audio codec to ${audioCodec}`);\n }\n track.levelCodec = audioCodec;\n track.id = data.id;\n }\n track = tracks.video;\n if (track) {\n track.levelCodec = this.levels[this.level].videoCodec;\n track.id = data.id;\n }\n this.hls.trigger(Event.BUFFER_CODECS, tracks);\n // loop through tracks that are going to be provided to bufferController\n for (trackName in tracks) {\n track = tracks[trackName];\n logger.log(`main track:${trackName},container:${track.container},codecs[level/parsed]=[${track.levelCodec}/${track.codec}]`);\n let initSegment = track.initSegment;\n if (initSegment) {\n this.appended = true;\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n this.hls.trigger(Event.BUFFER_APPENDING, { type: trackName, data: initSegment, parent: 'main', content: 'initSegment' });\n }\n }\n // trigger handler right now\n this.tick();\n }\n }\n\n onFragParsingData (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n !(data.type === 'audio' && this.altAudio) && // filter out main audio if audio track is loaded through audio stream controller\n this.state === State.PARSING) {\n let level = this.levels[this.level],\n frag = fragCurrent;\n if (!Number.isFinite(data.endPTS)) {\n data.endPTS = data.startPTS + fragCurrent.duration;\n data.endDTS = data.startDTS + fragCurrent.duration;\n }\n\n if (data.hasAudio === true) {\n frag.addElementaryStream(ElementaryStreamTypes.AUDIO);\n }\n\n if (data.hasVideo === true) {\n frag.addElementaryStream(ElementaryStreamTypes.VIDEO);\n }\n\n logger.log(`Parsed ${data.type},PTS:[${data.startPTS.toFixed(3)},${data.endPTS.toFixed(3)}],DTS:[${data.startDTS.toFixed(3)}/${data.endDTS.toFixed(3)}],nb:${data.nb},dropped:${data.dropped || 0}`);\n\n // Detect gaps in a fragment and try to fix it by finding a keyframe in the previous fragment (see _findFragments)\n if (data.type === 'video') {\n frag.dropped = data.dropped;\n if (frag.dropped) {\n if (!frag.backtracked) {\n const levelDetails = level.details;\n if (levelDetails && frag.sn === levelDetails.startSN) {\n logger.warn('missing video frame(s) on first frag, appending with gap', frag.sn);\n } else {\n logger.warn('missing video frame(s), backtracking fragment', frag.sn);\n // Return back to the IDLE state without appending to buffer\n // Causes findFragments to backtrack a segment and find the keyframe\n // Audio fragments arriving before video sets the nextLoadPosition, causing _findFragments to skip the backtracked fragment\n this.fragmentTracker.removeFragment(frag);\n frag.backtracked = true;\n this.nextLoadPosition = data.startPTS;\n this.state = State.IDLE;\n this.fragPrevious = frag;\n this.tick();\n return;\n }\n } else {\n logger.warn('Already backtracked on this fragment, appending with the gap', frag.sn);\n }\n } else {\n // Only reset the backtracked flag if we've loaded the frag without any dropped frames\n frag.backtracked = false;\n }\n }\n\n let drift = LevelHelper.updateFragPTSDTS(level.details, frag, data.startPTS, data.endPTS, data.startDTS, data.endDTS),\n hls = this.hls;\n hls.trigger(Event.LEVEL_PTS_UPDATED, { details: level.details, level: this.level, drift: drift, type: data.type, start: data.startPTS, end: data.endPTS });\n // has remuxer dropped video frames located before first keyframe ?\n [data.data1, data.data2].forEach(buffer => {\n // only append in PARSING state (rationale is that an appending error could happen synchronously on first segment appending)\n // in that case it is useless to append following segments\n if (buffer && buffer.length && this.state === State.PARSING) {\n this.appended = true;\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n hls.trigger(Event.BUFFER_APPENDING, { type: data.type, data: buffer, parent: 'main', content: 'data' });\n }\n });\n // trigger handler right now\n this.tick();\n }\n }\n\n onFragParsed (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n this.stats.tparsed = window.performance.now();\n this.state = State.PARSED;\n this._checkAppendedParsed();\n }\n }\n\n onAudioTrackSwitching (data) {\n // if any URL found on new audio track, it is an alternate audio track\n let altAudio = !!data.url,\n trackId = data.id;\n // if we switch on main audio, ensure that main fragment scheduling is synced with media.buffered\n // don't do anything if we switch to alt audio: audio stream controller is handling it.\n // we will just have to change buffer scheduling on audioTrackSwitched\n if (!altAudio) {\n if (this.mediaBuffer !== this.media) {\n logger.log('switching on main audio, use media.buffered to schedule main fragment loading');\n this.mediaBuffer = this.media;\n let fragCurrent = this.fragCurrent;\n // we need to refill audio buffer from main: cancel any frag loading to speed up audio switch\n if (fragCurrent.loader) {\n logger.log('switching to main audio track, cancel main fragment load');\n fragCurrent.loader.abort();\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n // destroy demuxer to force init segment generation (following audio switch)\n if (this.demuxer) {\n this.demuxer.destroy();\n this.demuxer = null;\n }\n // switch to IDLE state to load new fragment\n this.state = State.IDLE;\n }\n let hls = this.hls;\n // switching to main audio, flush all audio and trigger track switched\n hls.trigger(Event.BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' });\n hls.trigger(Event.AUDIO_TRACK_SWITCHED, { id: trackId });\n this.altAudio = false;\n }\n }\n\n onAudioTrackSwitched (data) {\n let trackId = data.id,\n altAudio = !!this.hls.audioTracks[trackId].url;\n if (altAudio) {\n let videoBuffer = this.videoBuffer;\n // if we switched on alternate audio, ensure that main fragment scheduling is synced with video sourcebuffer buffered\n if (videoBuffer && this.mediaBuffer !== videoBuffer) {\n logger.log('switching on alternate audio, use video.buffered to schedule main fragment loading');\n this.mediaBuffer = videoBuffer;\n }\n }\n this.altAudio = altAudio;\n this.tick();\n }\n\n onBufferCreated (data) {\n let tracks = data.tracks, mediaTrack, name, alternate = false;\n for (let type in tracks) {\n let track = tracks[type];\n if (track.id === 'main') {\n name = type;\n mediaTrack = track;\n // keep video source buffer reference\n if (type === 'video') {\n this.videoBuffer = tracks[type].buffer;\n }\n } else {\n alternate = true;\n }\n }\n if (alternate && mediaTrack) {\n logger.log(`alternate track found, use ${name}.buffered to schedule main fragment loading`);\n this.mediaBuffer = mediaTrack.buffer;\n } else {\n this.mediaBuffer = this.media;\n }\n }\n\n onBufferAppended (data) {\n if (data.parent === 'main') {\n const state = this.state;\n if (state === State.PARSING || state === State.PARSED) {\n // check if all buffers have been appended\n this.pendingBuffering = (data.pending > 0);\n this._checkAppendedParsed();\n }\n }\n }\n\n _checkAppendedParsed () {\n // trigger handler right now\n if (this.state === State.PARSED && (!this.appended || !this.pendingBuffering)) {\n const frag = this.fragCurrent;\n if (frag) {\n const media = this.mediaBuffer ? this.mediaBuffer : this.media;\n logger.log(`main buffered : ${TimeRanges.toString(media.buffered)}`);\n this.fragPrevious = frag;\n const stats = this.stats;\n stats.tbuffered = window.performance.now();\n // we should get rid of this.fragLastKbps\n this.fragLastKbps = Math.round(8 * stats.total / (stats.tbuffered - stats.tfirst));\n this.hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: frag, id: 'main' });\n this.state = State.IDLE;\n }\n this.tick();\n }\n }\n\n onError (data) {\n let frag = data.frag || this.fragCurrent;\n // don't handle frag error not related to main fragment\n if (frag && frag.type !== 'main') {\n return;\n }\n\n // 0.5 : tolerance needed as some browsers stalls playback before reaching buffered end\n let mediaBuffered = !!this.media && BufferHelper.isBuffered(this.media, this.media.currentTime) && BufferHelper.isBuffered(this.media, this.media.currentTime + 0.5);\n\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n if (!data.fatal) {\n // keep retrying until the limit will be reached\n if ((this.fragLoadError + 1) <= this.config.fragLoadingMaxRetry) {\n // exponential backoff capped to config.fragLoadingMaxRetryTimeout\n let delay = Math.min(Math.pow(2, this.fragLoadError) * this.config.fragLoadingRetryDelay, this.config.fragLoadingMaxRetryTimeout);\n logger.warn(`mediaController: frag loading failed, retry in ${delay} ms`);\n this.retryDate = window.performance.now() + delay;\n // retry loading state\n // if loadedmetadata is not set, it means that we are emergency switch down on first frag\n // in that case, reset startFragRequested flag\n if (!this.loadedmetadata) {\n this.startFragRequested = false;\n this.nextLoadPosition = this.startPosition;\n }\n this.fragLoadError++;\n this.state = State.FRAG_LOADING_WAITING_RETRY;\n } else {\n logger.error(`mediaController: ${data.details} reaches max retry, redispatch as fatal ...`);\n // switch error to fatal\n data.fatal = true;\n this.state = State.ERROR;\n }\n }\n break;\n case ErrorDetails.LEVEL_LOAD_ERROR:\n case ErrorDetails.LEVEL_LOAD_TIMEOUT:\n if (this.state !== State.ERROR) {\n if (data.fatal) {\n // if fatal error, stop processing\n this.state = State.ERROR;\n logger.warn(`streamController: ${data.details},switch to ${this.state} state ...`);\n } else {\n // in case of non fatal error while loading level, if level controller is not retrying to load level , switch back to IDLE\n if (!data.levelRetry && this.state === State.WAITING_LEVEL) {\n this.state = State.IDLE;\n }\n }\n }\n break;\n case ErrorDetails.BUFFER_FULL_ERROR:\n // if in appending state\n if (data.parent === 'main' && (this.state === State.PARSING || this.state === State.PARSED)) {\n // reduce max buf len if current position is buffered\n if (mediaBuffered) {\n this._reduceMaxBufferLength(this.config.maxBufferLength);\n this.state = State.IDLE;\n } else {\n // current position is not buffered, but browser is still complaining about buffer full error\n // this happens on IE/Edge, refer to https://github.com/video-dev/hls.js/pull/708\n // in that case flush the whole buffer to recover\n logger.warn('buffer full error also media.currentTime is not buffered, flush everything');\n this.fragCurrent = null;\n // flush everything\n this.flushMainBuffer(0, Number.POSITIVE_INFINITY);\n }\n }\n break;\n default:\n break;\n }\n }\n\n _reduceMaxBufferLength (minLength) {\n let config = this.config;\n if (config.maxMaxBufferLength >= minLength) {\n // reduce max buffer length as it might be too high. we do this to avoid loop flushing ...\n config.maxMaxBufferLength /= 2;\n logger.warn(`main:reduce max buffer length to ${config.maxMaxBufferLength}s`);\n return true;\n }\n return false;\n }\n\n /**\n * Checks the health of the buffer and attempts to resolve playback stalls.\n * @private\n */\n _checkBuffer () {\n const { media } = this;\n if (!media || media.readyState === 0) {\n // Exit early if we don't have media or if the media hasn't bufferd anything yet (readyState 0)\n return;\n }\n\n const mediaBuffer = this.mediaBuffer ? this.mediaBuffer : media;\n const buffered = mediaBuffer.buffered;\n\n if (!this.loadedmetadata && buffered.length) {\n this.loadedmetadata = true;\n this._seekToStartPos();\n } else if (this.immediateSwitch) {\n this.immediateLevelSwitchEnd();\n } else {\n this.gapController.poll(this.lastCurrentTime, buffered);\n }\n }\n\n onFragLoadEmergencyAborted () {\n this.state = State.IDLE;\n // if loadedmetadata is not set, it means that we are emergency switch down on first frag\n // in that case, reset startFragRequested flag\n if (!this.loadedmetadata) {\n this.startFragRequested = false;\n this.nextLoadPosition = this.startPosition;\n }\n this.tick();\n }\n\n onBufferFlushed () {\n /* after successful buffer flushing, filter flushed fragments from bufferedFrags\n use mediaBuffered instead of media (so that we will check against video.buffered ranges in case of alt audio track)\n */\n const media = this.mediaBuffer ? this.mediaBuffer : this.media;\n if (media) {\n // filter fragments potentially evicted from buffer. this is to avoid memleak on live streams\n this.fragmentTracker.detectEvictedFragments(ElementaryStreamTypes.VIDEO, media.buffered);\n }\n // move to IDLE once flush complete. this should trigger new fragment loading\n this.state = State.IDLE;\n // reset reference to frag\n this.fragPrevious = null;\n }\n\n swapAudioCodec () {\n this.audioCodecSwap = !this.audioCodecSwap;\n }\n /**\n * Seeks to the set startPosition if not equal to the mediaElement's current time.\n * @private\n */\n _seekToStartPos () {\n const { media } = this;\n const currentTime = media.currentTime;\n // only adjust currentTime if different from startPosition or if startPosition not buffered\n // at that stage, there should be only one buffered range, as we reach that code after first fragment has been buffered\n const startPosition = media.seeking ? currentTime : this.startPosition;\n // if currentTime not matching with expected startPosition or startPosition not buffered but close to first buffered\n if (currentTime !== startPosition && startPosition >= 0) {\n // if startPosition not buffered, let's seek to buffered.start(0)\n logger.log(`target start position not buffered, seek to buffered.start(0) ${startPosition} from current time ${currentTime} `);\n media.currentTime = startPosition;\n }\n }\n\n _getAudioCodec (currentLevel) {\n let audioCodec = this.config.defaultAudioCodec || currentLevel.audioCodec;\n if (this.audioCodecSwap) {\n logger.log('swapping playlist audio codec');\n if (audioCodec) {\n if (audioCodec.indexOf('mp4a.40.5') !== -1) {\n audioCodec = 'mp4a.40.2';\n } else {\n audioCodec = 'mp4a.40.5';\n }\n }\n }\n\n return audioCodec;\n }\n\n get liveSyncPosition () {\n return this._liveSyncPosition;\n }\n\n set liveSyncPosition (value) {\n this._liveSyncPosition = value;\n }\n}\nexport default StreamController;\n","import EventHandler from './event-handler';\nimport Hls from './hls';\n\n/**\n * Sub-class specialization of EventHandler base class.\n *\n * TaskLoop allows to schedule a task function being called (optionnaly repeatedly) on the main loop,\n * scheduled asynchroneously, avoiding recursive calls in the same tick.\n *\n * The task itself is implemented in `doTick`. It can be requested and called for single execution\n * using the `tick` method.\n *\n * It will be assured that the task execution method (`tick`) only gets called once per main loop \"tick\",\n * no matter how often it gets requested for execution. Execution in further ticks will be scheduled accordingly.\n *\n * If further execution requests have already been scheduled on the next tick, it can be checked with `hasNextTick`,\n * and cancelled with `clearNextTick`.\n *\n * The task can be scheduled as an interval repeatedly with a period as parameter (see `setInterval`, `clearInterval`).\n *\n * Sub-classes need to implement the `doTick` method which will effectively have the task execution routine.\n *\n * Further explanations:\n *\n * The baseclass has a `tick` method that will schedule the doTick call. It may be called synchroneously\n * only for a stack-depth of one. On re-entrant calls, sub-sequent calls are scheduled for next main loop ticks.\n *\n * When the task execution (`tick` method) is called in re-entrant way this is detected and\n * we are limiting the task execution per call stack to exactly one, but scheduling/post-poning further\n * task processing on the next main loop iteration (also known as \"next tick\" in the Node/JS runtime lingo).\n */\n\nexport default class TaskLoop extends EventHandler {\n private readonly _boundTick: () => void;\n private _tickTimer: number | null = null;\n private _tickInterval: number | null = null;\n private _tickCallCount = 0;\n\n constructor (hls: Hls, ...events: string[]) {\n super(hls, ...events);\n this._boundTick = this.tick.bind(this);\n }\n\n /**\n * @override\n */\n protected onHandlerDestroying () {\n // clear all timers before unregistering from event bus\n this.clearNextTick();\n this.clearInterval();\n }\n\n /**\n * @returns {boolean}\n */\n public hasInterval (): boolean {\n return !!this._tickInterval;\n }\n\n /**\n * @returns {boolean}\n */\n public hasNextTick (): boolean {\n return !!this._tickTimer;\n }\n\n /**\n * @param {number} millis Interval time (ms)\n * @returns {boolean} True when interval has been scheduled, false when already scheduled (no effect)\n */\n public setInterval (millis: number): boolean {\n if (!this._tickInterval) {\n this._tickInterval = self.setInterval(this._boundTick, millis);\n return true;\n }\n return false;\n }\n\n /**\n * @returns {boolean} True when interval was cleared, false when none was set (no effect)\n */\n public clearInterval (): boolean {\n if (this._tickInterval) {\n self.clearInterval(this._tickInterval);\n this._tickInterval = null;\n return true;\n }\n return false;\n }\n\n /**\n * @returns {boolean} True when timeout was cleared, false when none was set (no effect)\n */\n public clearNextTick (): boolean {\n if (this._tickTimer) {\n self.clearTimeout(this._tickTimer);\n this._tickTimer = null;\n return true;\n }\n return false;\n }\n\n /**\n * Will call the subclass doTick implementation in this main loop tick\n * or in the next one (via setTimeout(,0)) in case it has already been called\n * in this tick (in case this is a re-entrant call).\n */\n public tick (): void {\n this._tickCallCount++;\n if (this._tickCallCount === 1) {\n this.doTick();\n // re-entrant call to tick from previous doTick call stack\n // -> schedule a call on the next main loop iteration to process this task processing request\n if (this._tickCallCount > 1) {\n // make sure only one timer exists at any time at max\n this.clearNextTick();\n this._tickTimer = self.setTimeout(this._boundTick, 0);\n }\n this._tickCallCount = 0;\n }\n }\n\n /**\n * For subclass to implement task logic\n * @abstract\n */\n protected doTick (): void {}\n}\n","/*\n * Level Controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { isCodecSupportedInMp4 } from '../utils/codecs';\nimport { addGroupId, computeReloadInterval } from './level-helper';\n\nconst { performance } = window;\nlet chromeOrFirefox;\n\nexport default class LevelController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.MANIFEST_LOADED,\n Event.LEVEL_LOADED,\n Event.AUDIO_TRACK_SWITCHED,\n Event.FRAG_LOADED,\n Event.ERROR);\n\n this.canload = false;\n this.currentLevelIndex = null;\n this.manualLevelIndex = -1;\n this.timer = null;\n\n chromeOrFirefox = /chrome|firefox/.test(navigator.userAgent.toLowerCase());\n }\n\n onHandlerDestroying () {\n this.clearTimer();\n this.manualLevelIndex = -1;\n }\n\n clearTimer () {\n if (this.timer !== null) {\n clearTimeout(this.timer);\n this.timer = null;\n }\n }\n\n startLoad () {\n let levels = this._levels;\n\n this.canload = true;\n this.levelRetryCount = 0;\n\n // clean up live level details to force reload them, and reset load errors\n if (levels) {\n levels.forEach(level => {\n level.loadError = 0;\n const levelDetails = level.details;\n if (levelDetails && levelDetails.live) {\n level.details = undefined;\n }\n });\n }\n // speed up live playlist refresh if timer exists\n if (this.timer !== null) {\n this.loadLevel();\n }\n }\n\n stopLoad () {\n this.canload = false;\n }\n\n onManifestLoaded (data) {\n let levels = [];\n let audioTracks = [];\n let bitrateStart;\n let levelSet = {};\n let levelFromSet = null;\n let videoCodecFound = false;\n let audioCodecFound = false;\n\n // regroup redundant levels together\n data.levels.forEach(level => {\n const attributes = level.attrs;\n level.loadError = 0;\n level.fragmentError = false;\n\n videoCodecFound = videoCodecFound || !!level.videoCodec;\n audioCodecFound = audioCodecFound || !!level.audioCodec;\n\n // erase audio codec info if browser does not support mp4a.40.34.\n // demuxer will autodetect codec and fallback to mpeg/audio\n if (chromeOrFirefox && level.audioCodec && level.audioCodec.indexOf('mp4a.40.34') !== -1) {\n level.audioCodec = undefined;\n }\n\n levelFromSet = levelSet[level.bitrate]; // FIXME: we would also have to match the resolution here\n\n if (!levelFromSet) {\n level.url = [level.url];\n level.urlId = 0;\n levelSet[level.bitrate] = level;\n levels.push(level);\n } else {\n levelFromSet.url.push(level.url);\n }\n\n if (attributes) {\n if (attributes.AUDIO) {\n audioCodecFound = true;\n addGroupId(levelFromSet || level, 'audio', attributes.AUDIO);\n }\n if (attributes.SUBTITLES) {\n addGroupId(levelFromSet || level, 'text', attributes.SUBTITLES);\n }\n }\n });\n\n // remove audio-only level if we also have levels with audio+video codecs signalled\n if (videoCodecFound && audioCodecFound) {\n levels = levels.filter(({ videoCodec }) => !!videoCodec);\n }\n\n // only keep levels with supported audio/video codecs\n levels = levels.filter(({ audioCodec, videoCodec }) => {\n return (!audioCodec || isCodecSupportedInMp4(audioCodec, 'audio')) && (!videoCodec || isCodecSupportedInMp4(videoCodec, 'video'));\n });\n\n if (data.audioTracks) {\n audioTracks = data.audioTracks.filter(track => !track.audioCodec || isCodecSupportedInMp4(track.audioCodec, 'audio'));\n // Reassign id's after filtering since they're used as array indices\n audioTracks.forEach((track, index) => {\n track.id = index;\n });\n }\n\n if (levels.length > 0) {\n // start bitrate is the first bitrate of the manifest\n bitrateStart = levels[0].bitrate;\n // sort level on bitrate\n levels.sort((a, b) => a.bitrate - b.bitrate);\n this._levels = levels;\n // find index of first level in sorted levels\n for (let i = 0; i < levels.length; i++) {\n if (levels[i].bitrate === bitrateStart) {\n this._firstLevel = i;\n logger.log(`manifest loaded,${levels.length} level(s) found, first bitrate:${bitrateStart}`);\n break;\n }\n }\n\n // Audio is only alternate if manifest include a URI along with the audio group tag\n this.hls.trigger(Event.MANIFEST_PARSED, {\n levels,\n audioTracks,\n firstLevel: this._firstLevel,\n stats: data.stats,\n audio: audioCodecFound,\n video: videoCodecFound,\n altAudio: audioTracks.some(t => !!t.url)\n });\n } else {\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.MANIFEST_INCOMPATIBLE_CODECS_ERROR,\n fatal: true,\n url: this.hls.url,\n reason: 'no level with compatible codecs found in manifest'\n });\n }\n }\n\n get levels () {\n return this._levels;\n }\n\n get level () {\n return this.currentLevelIndex;\n }\n\n set level (newLevel) {\n let levels = this._levels;\n if (levels) {\n newLevel = Math.min(newLevel, levels.length - 1);\n if (this.currentLevelIndex !== newLevel || !levels[newLevel].details) {\n this.setLevelInternal(newLevel);\n }\n }\n }\n\n setLevelInternal (newLevel) {\n const levels = this._levels;\n const hls = this.hls;\n // check if level idx is valid\n if (newLevel >= 0 && newLevel < levels.length) {\n // stopping live reloading timer if any\n this.clearTimer();\n if (this.currentLevelIndex !== newLevel) {\n logger.log(`switching to level ${newLevel}`);\n this.currentLevelIndex = newLevel;\n const levelProperties = levels[newLevel];\n levelProperties.level = newLevel;\n hls.trigger(Event.LEVEL_SWITCHING, levelProperties);\n }\n const level = levels[newLevel];\n const levelDetails = level.details;\n\n // check if we need to load playlist for this level\n if (!levelDetails || levelDetails.live) {\n // level not retrieved yet, or live playlist we need to (re)load it\n let urlId = level.urlId;\n hls.trigger(Event.LEVEL_LOADING, { url: level.url[urlId], level: newLevel, id: urlId });\n }\n } else {\n // invalid level id given, trigger error\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.OTHER_ERROR,\n details: ErrorDetails.LEVEL_SWITCH_ERROR,\n level: newLevel,\n fatal: false,\n reason: 'invalid level idx'\n });\n }\n }\n\n get manualLevel () {\n return this.manualLevelIndex;\n }\n\n set manualLevel (newLevel) {\n this.manualLevelIndex = newLevel;\n if (this._startLevel === undefined) {\n this._startLevel = newLevel;\n }\n\n if (newLevel !== -1) {\n this.level = newLevel;\n }\n }\n\n get firstLevel () {\n return this._firstLevel;\n }\n\n set firstLevel (newLevel) {\n this._firstLevel = newLevel;\n }\n\n get startLevel () {\n // hls.startLevel takes precedence over config.startLevel\n // if none of these values are defined, fallback on this._firstLevel (first quality level appearing in variant manifest)\n if (this._startLevel === undefined) {\n let configStartLevel = this.hls.config.startLevel;\n if (configStartLevel !== undefined) {\n return configStartLevel;\n } else {\n return this._firstLevel;\n }\n } else {\n return this._startLevel;\n }\n }\n\n set startLevel (newLevel) {\n this._startLevel = newLevel;\n }\n\n onError (data) {\n if (data.fatal) {\n if (data.type === ErrorTypes.NETWORK_ERROR) {\n this.clearTimer();\n }\n\n return;\n }\n\n let levelError = false, fragmentError = false;\n let levelIndex;\n\n // try to recover not fatal errors\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n levelIndex = data.frag.level;\n fragmentError = true;\n break;\n case ErrorDetails.LEVEL_LOAD_ERROR:\n case ErrorDetails.LEVEL_LOAD_TIMEOUT:\n levelIndex = data.context.level;\n levelError = true;\n break;\n case ErrorDetails.REMUX_ALLOC_ERROR:\n levelIndex = data.level;\n levelError = true;\n break;\n }\n\n if (levelIndex !== undefined) {\n this.recoverLevel(data, levelIndex, levelError, fragmentError);\n }\n }\n\n /**\n * Switch to a redundant stream if any available.\n * If redundant stream is not available, emergency switch down if ABR mode is enabled.\n *\n * @param {Object} errorEvent\n * @param {Number} levelIndex current level index\n * @param {Boolean} levelError\n * @param {Boolean} fragmentError\n */\n // FIXME Find a better abstraction where fragment/level retry management is well decoupled\n recoverLevel (errorEvent, levelIndex, levelError, fragmentError) {\n let { config } = this.hls;\n let { details: errorDetails } = errorEvent;\n let level = this._levels[levelIndex];\n let redundantLevels, delay, nextLevel;\n\n level.loadError++;\n level.fragmentError = fragmentError;\n\n if (levelError) {\n if ((this.levelRetryCount + 1) <= config.levelLoadingMaxRetry) {\n // exponential backoff capped to max retry timeout\n delay = Math.min(Math.pow(2, this.levelRetryCount) * config.levelLoadingRetryDelay, config.levelLoadingMaxRetryTimeout);\n // Schedule level reload\n this.timer = setTimeout(() => this.loadLevel(), delay);\n // boolean used to inform stream controller not to switch back to IDLE on non fatal error\n errorEvent.levelRetry = true;\n this.levelRetryCount++;\n logger.warn(`level controller, ${errorDetails}, retry in ${delay} ms, current retry count is ${this.levelRetryCount}`);\n } else {\n logger.error(`level controller, cannot recover from ${errorDetails} error`);\n this.currentLevelIndex = null;\n // stopping live reloading timer if any\n this.clearTimer();\n // switch error to fatal\n errorEvent.fatal = true;\n return;\n }\n }\n\n // Try any redundant streams if available for both errors: level and fragment\n // If level.loadError reaches redundantLevels it means that we tried them all, no hope => let's switch down\n if (levelError || fragmentError) {\n redundantLevels = level.url.length;\n\n if (redundantLevels > 1 && level.loadError < redundantLevels) {\n level.urlId = (level.urlId + 1) % redundantLevels;\n level.details = undefined;\n\n logger.warn(`level controller, ${errorDetails} for level ${levelIndex}: switching to redundant URL-id ${level.urlId}`);\n\n // console.log('Current audio track group ID:', this.hls.audioTracks[this.hls.audioTrack].groupId);\n // console.log('New video quality level audio group id:', level.attrs.AUDIO);\n } else {\n // Search for available level\n if (this.manualLevelIndex === -1) {\n // When lowest level has been reached, let's start hunt from the top\n nextLevel = (levelIndex === 0) ? this._levels.length - 1 : levelIndex - 1;\n logger.warn(`level controller, ${errorDetails}: switch to ${nextLevel}`);\n this.hls.nextAutoLevel = this.currentLevelIndex = nextLevel;\n } else if (fragmentError) {\n // Allow fragment retry as long as configuration allows.\n // reset this._level so that another call to set level() will trigger again a frag load\n logger.warn(`level controller, ${errorDetails}: reload a fragment`);\n this.currentLevelIndex = null;\n }\n }\n }\n }\n\n // reset errors on the successful load of a fragment\n onFragLoaded ({ frag }) {\n if (frag !== undefined && frag.type === 'main') {\n const level = this._levels[frag.level];\n if (level !== undefined) {\n level.fragmentError = false;\n level.loadError = 0;\n this.levelRetryCount = 0;\n }\n }\n }\n\n onLevelLoaded (data) {\n const { level, details } = data;\n // only process level loaded events matching with expected level\n if (level !== this.currentLevelIndex) {\n return;\n }\n\n const curLevel = this._levels[level];\n // reset level load error counter on successful level loaded only if there is no issues with fragments\n if (!curLevel.fragmentError) {\n curLevel.loadError = 0;\n this.levelRetryCount = 0;\n }\n // if current playlist is a live playlist, arm a timer to reload it\n if (details.live) {\n const reloadInterval = computeReloadInterval(curLevel.details, details, data.stats.trequest);\n logger.log(`live playlist, reload in ${Math.round(reloadInterval)} ms`);\n this.timer = setTimeout(() => this.loadLevel(), reloadInterval);\n } else {\n this.clearTimer();\n }\n }\n\n onAudioTrackSwitched (data) {\n const audioGroupId = this.hls.audioTracks[data.id].groupId;\n\n const currentLevel = this.hls.levels[this.currentLevelIndex];\n if (!currentLevel) {\n return;\n }\n\n if (currentLevel.audioGroupIds) {\n let urlId = -1;\n\n for (let i = 0; i < currentLevel.audioGroupIds.length; i++) {\n if (currentLevel.audioGroupIds[i] === audioGroupId) {\n urlId = i;\n break;\n }\n }\n\n if (urlId !== currentLevel.urlId) {\n currentLevel.urlId = urlId;\n this.startLoad();\n }\n }\n }\n\n loadLevel () {\n logger.debug('call to loadLevel');\n\n if (this.currentLevelIndex !== null && this.canload) {\n const levelObject = this._levels[this.currentLevelIndex];\n\n if (typeof levelObject === 'object' &&\n levelObject.url.length > 0) {\n const level = this.currentLevelIndex;\n const id = levelObject.urlId;\n const url = levelObject.url[id];\n\n logger.log(`Attempt loading level index ${level} with URL-id ${id}`);\n\n // console.log('Current audio track group ID:', this.hls.audioTracks[this.hls.audioTrack].groupId);\n // console.log('New video quality level audio group id:', levelObject.attrs.AUDIO, level);\n\n this.hls.trigger(Event.LEVEL_LOADING, { url, level, id });\n }\n }\n }\n\n get nextLoadLevel () {\n if (this.manualLevelIndex !== -1) {\n return this.manualLevelIndex;\n } else {\n return this.hls.nextAutoLevel;\n }\n }\n\n set nextLoadLevel (nextLevel) {\n this.level = nextLevel;\n if (this.manualLevelIndex === -1) {\n this.hls.nextAutoLevel = nextLevel;\n }\n }\n}\n","\nexport function sendAddTrackEvent (track: TextTrack, videoEl: HTMLMediaElement) {\n let event: Event;\n try {\n event = new Event('addtrack');\n } catch (err) {\n // for IE11\n event = document.createEvent('Event');\n event.initEvent('addtrack', false, false);\n }\n (event as any).track = track;\n videoEl.dispatchEvent(event);\n}\n\nexport function clearCurrentCues (track: TextTrack) {\n if (track && track.cues) {\n while (track.cues.length > 0) {\n track.removeCue(track.cues[0]);\n }\n }\n}\n\n/**\n\n * Given a list of Cues, finds the closest cue matching the given time.\n * Modified verison of binary search O(log(n)).\n *\n * @export\n * @param {(TextTrackCueList | TextTrackCue[])} cues - List of cues.\n * @param {number} time - Target time, to find closest cue to.\n * @returns {TextTrackCue}\n */\nexport function getClosestCue (cues: TextTrackCueList | TextTrackCue[], time: number): TextTrackCue {\n // If the offset is less than the first element, the first element is the closest.\n if (time < cues[0].endTime) {\n return cues[0];\n }\n // If the offset is greater than the last cue, the last is the closest.\n if (time > cues[cues.length - 1].endTime) {\n return cues[cues.length - 1];\n }\n\n let left = 0;\n let right = cues.length - 1;\n\n while (left <= right) {\n const mid = Math.floor((right + left) / 2);\n\n if (time < cues[mid].endTime) {\n right = mid - 1;\n } else if (time > cues[mid].endTime) {\n left = mid + 1;\n } else {\n // If it's not lower or higher, it must be equal.\n return cues[mid];\n }\n }\n // At this point, left and right have swapped.\n // No direct match was found, left or right element must be the closest. Check which one has the smallest diff.\n return (cues[left].endTime - time) < (time - cues[right].endTime) ? cues[left] : cues[right];\n}\n","/*\n * id3 metadata track controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport ID3 from '../demux/id3';\nimport { logger } from '../utils/logger';\nimport { sendAddTrackEvent, clearCurrentCues, getClosestCue } from '../utils/texttrack-utils';\n\nclass ID3TrackController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.FRAG_PARSING_METADATA,\n Event.LIVE_BACK_BUFFER_REACHED\n );\n\n this.id3Track = undefined;\n this.media = undefined;\n }\n\n destroy () {\n EventHandler.prototype.destroy.call(this);\n }\n\n // Add ID3 metatadata text track.\n onMediaAttached (data) {\n this.media = data.media;\n if (!this.media) {\n\n }\n }\n\n onMediaDetaching () {\n clearCurrentCues(this.id3Track);\n this.id3Track = undefined;\n this.media = undefined;\n }\n\n getID3Track (textTracks) {\n for (let i = 0; i < textTracks.length; i++) {\n let textTrack = textTracks[i];\n if (textTrack.kind === 'metadata' && textTrack.label === 'id3') {\n // send 'addtrack' when reusing the textTrack for metadata,\n // same as what we do for captions\n sendAddTrackEvent(textTrack, this.media);\n\n return textTrack;\n }\n }\n return this.media.addTextTrack('metadata', 'id3');\n }\n\n onLiveBackBufferReached ({ bufferEnd }) {\n if (!this.id3Track || !this.id3Track.cues || !this.id3Track.cues.length) {\n return;\n }\n const foundCue = getClosestCue(this.id3Track.cues, bufferEnd);\n if (!foundCue) {\n return;\n }\n\n let removeCues = true;\n while (removeCues) {\n const cue = this.id3Track.cues[0];\n if (!this.id3Track.cues.length || cue.id === foundCue.id) {\n removeCues = false;\n return;\n }\n this.id3Track.removeCue(cue);\n }\n }\n\n onFragParsingMetadata (data) {\n const fragment = data.frag;\n const samples = data.samples;\n\n // create track dynamically\n if (!this.id3Track) {\n this.id3Track = this.getID3Track(this.media.textTracks);\n this.id3Track.mode = 'hidden';\n }\n\n // Attempt to recreate Safari functionality by creating\n // WebKitDataCue objects when available and store the decoded\n // ID3 data in the value property of the cue\n let Cue = window.WebKitDataCue || window.VTTCue || window.TextTrackCue;\n\n for (let i = 0; i < samples.length; i++) {\n const frames = ID3.getID3Frames(samples[i].data);\n if (frames) {\n const startTime = samples[i].pts;\n let endTime = i < samples.length - 1 ? samples[i + 1].pts : fragment.endPTS;\n\n if (startTime === endTime) {\n // Give a slight bump to the endTime if it's equal to startTime to avoid a SyntaxError in IE\n endTime += 0.0001;\n } else if (startTime > endTime) {\n logger.warn('detected an id3 sample with endTime < startTime, adjusting endTime to (startTime + 0.25)');\n endTime = startTime + 0.25;\n }\n\n for (let j = 0; j < frames.length; j++) {\n const frame = frames[j];\n // Safari doesn't put the timestamp frame in the TextTrack\n if (!ID3.isTimeStampFrame(frame)) {\n const cue = new Cue(startTime, endTime, '');\n cue.value = frame;\n this.id3Track.addCue(cue);\n }\n }\n }\n }\n }\n\n onLiveBackBufferReached ({ bufferEnd }) {\n const { id3Track } = this;\n if (!id3Track || !id3Track.cues || !id3Track.cues.length) {\n return;\n }\n const foundCue = getClosestCue(id3Track.cues, bufferEnd);\n if (!foundCue) {\n return;\n }\n while (id3Track.cues[0] !== foundCue) {\n id3Track.removeCue(id3Track.cues[0]);\n }\n }\n}\n\nexport default ID3TrackController;\n","/*\n * compute an Exponential Weighted moving average\n * - https://en.wikipedia.org/wiki/Moving_average#Exponential_moving_average\n * - heavily inspired from shaka-player\n */\n\nclass EWMA {\n private alpha_: number;\n private estimate_: number;\n private totalWeight_: number;\n\n // About half of the estimated value will be from the last |halfLife| samples by weight.\n constructor (halfLife: number) {\n // Larger values of alpha expire historical data more slowly.\n this.alpha_ = halfLife ? Math.exp(Math.log(0.5) / halfLife) : 0;\n this.estimate_ = 0;\n this.totalWeight_ = 0;\n }\n\n sample (weight: number, value: number) {\n let adjAlpha = Math.pow(this.alpha_, weight);\n this.estimate_ = value * (1 - adjAlpha) + adjAlpha * this.estimate_;\n this.totalWeight_ += weight;\n }\n\n getTotalWeight (): number {\n return this.totalWeight_;\n }\n\n getEstimate (): number {\n if (this.alpha_) {\n let zeroFactor = 1 - Math.pow(this.alpha_, this.totalWeight_);\n return this.estimate_ / zeroFactor;\n } else {\n return this.estimate_;\n }\n }\n}\n\nexport default EWMA;\n","/*\n * EWMA Bandwidth Estimator\n * - heavily inspired from shaka-player\n * Tracks bandwidth samples and estimates available bandwidth.\n * Based on the minimum of two exponentially-weighted moving averages with\n * different half-lives.\n */\n\nimport EWMA from '../utils/ewma';\n\nclass EwmaBandWidthEstimator {\n hls: any;\n\n private defaultEstimate_: number;\n private minWeight_: number;\n private minDelayMs_: number;\n private slow_: EWMA;\n private fast_: EWMA;\n\n // TODO(typescript-hls)\n constructor (hls: any, slow: number, fast: number, defaultEstimate: number) {\n this.hls = hls;\n this.defaultEstimate_ = defaultEstimate;\n this.minWeight_ = 0.001;\n this.minDelayMs_ = 50;\n this.slow_ = new EWMA(slow);\n this.fast_ = new EWMA(fast);\n }\n\n sample (durationMs: number, numBytes: number) {\n durationMs = Math.max(durationMs, this.minDelayMs_);\n let numBits = 8 * numBytes,\n // weight is duration in seconds\n durationS = durationMs / 1000,\n // value is bandwidth in bits/s\n bandwidthInBps = numBits / durationS;\n this.fast_.sample(durationS, bandwidthInBps);\n this.slow_.sample(durationS, bandwidthInBps);\n }\n\n canEstimate (): boolean {\n let fast = this.fast_;\n return (fast && fast.getTotalWeight() >= this.minWeight_);\n }\n\n getEstimate (): number {\n if (this.canEstimate()) {\n // console.log('slow estimate:'+ Math.round(this.slow_.getEstimate()));\n // console.log('fast estimate:'+ Math.round(this.fast_.getEstimate()));\n // Take the minimum of these two estimates. This should have the effect of\n // adapting down quickly, but up more slowly.\n return Math.min(this.fast_.getEstimate(), this.slow_.getEstimate());\n } else {\n return this.defaultEstimate_;\n }\n }\n\n destroy () {\n }\n}\nexport default EwmaBandWidthEstimator;\n","/*\n * simple ABR Controller\n * - compute next level based on last fragment bw heuristics\n * - implement an abandon rules triggered if we have less than 2 frag buffered and if computed bw shows that we risk buffer stalling\n */\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport { ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport EwmaBandWidthEstimator from '../utils/ewma-bandwidth-estimator';\n\nconst { performance } = window;\n\nclass AbrController extends EventHandler {\n constructor (hls) {\n super(hls, Event.FRAG_LOADING,\n Event.FRAG_LOADED,\n Event.FRAG_BUFFERED,\n Event.ERROR);\n this.lastLoadedFragLevel = 0;\n this._nextAutoLevel = -1;\n this.hls = hls;\n this.timer = null;\n this._bwEstimator = null;\n this.onCheck = this._abandonRulesCheck.bind(this);\n }\n\n destroy () {\n this.clearTimer();\n EventHandler.prototype.destroy.call(this);\n }\n\n onFragLoading (data) {\n const frag = data.frag;\n if (frag.type === 'main') {\n if (!this.timer) {\n this.fragCurrent = frag;\n this.timer = setInterval(this.onCheck, 100);\n }\n\n // lazy init of BwEstimator, rationale is that we use different params for Live/VoD\n // so we need to wait for stream manifest / playlist type to instantiate it.\n if (!this._bwEstimator) {\n const hls = this.hls;\n const config = hls.config;\n const level = frag.level;\n const isLive = hls.levels[level].details.live;\n\n let ewmaFast;\n let ewmaSlow;\n if (isLive) {\n ewmaFast = config.abrEwmaFastLive;\n ewmaSlow = config.abrEwmaSlowLive;\n } else {\n ewmaFast = config.abrEwmaFastVoD;\n ewmaSlow = config.abrEwmaSlowVoD;\n }\n this._bwEstimator = new EwmaBandWidthEstimator(hls, ewmaSlow, ewmaFast, config.abrEwmaDefaultEstimate);\n }\n }\n }\n\n _abandonRulesCheck () {\n /*\n monitor fragment retrieval time...\n we compute expected time of arrival of the complete fragment.\n we compare it to expected time of buffer starvation\n */\n const hls = this.hls;\n const video = hls.media;\n const frag = this.fragCurrent;\n\n if (!frag) {\n return;\n }\n\n const loader = frag.loader;\n const minAutoLevel = hls.minAutoLevel;\n\n // if loader has been destroyed or loading has been aborted, stop timer and return\n if (!loader || (loader.stats && loader.stats.aborted)) {\n logger.warn('frag loader destroy or aborted, disarm abandonRules');\n this.clearTimer();\n // reset forced auto level value so that next level will be selected\n this._nextAutoLevel = -1;\n return;\n }\n let stats = loader.stats;\n /* only monitor frag retrieval time if\n (video not paused OR first fragment being loaded(ready state === HAVE_NOTHING = 0)) AND autoswitching enabled AND not lowest level (=> means that we have several levels) */\n if (video && stats && ((!video.paused && (video.playbackRate !== 0)) || !video.readyState) && frag.autoLevel && frag.level) {\n const requestDelay = performance.now() - stats.trequest;\n const playbackRate = Math.abs(video.playbackRate);\n\n // monitor fragment load progress after half of expected fragment duration,to stabilize bitrate\n if (requestDelay > (500 * frag.duration / playbackRate)) {\n const levels = hls.levels;\n const loadRate = Math.max(1, stats.bw ? stats.bw / 8 : stats.loaded * 1000 / requestDelay); // byte/s; at least 1 byte/s to avoid division by zero\n\n // compute expected fragment length using frag duration and level bitrate. also ensure that expected len is gte than already loaded size\n const level = levels[frag.level];\n const levelBitrate = level.realBitrate ? Math.max(level.realBitrate, level.bitrate) : level.bitrate;\n const expectedLen = stats.total ? stats.total : Math.max(stats.loaded, Math.round(frag.duration * levelBitrate / 8));\n const pos = video.currentTime;\n const fragLoadedDelay = (expectedLen - stats.loaded) / loadRate;\n const bufferStarvationDelay = (BufferHelper.bufferInfo(video, pos, hls.config.maxBufferHole).end - pos) / playbackRate;\n\n // consider emergency switch down only if we have less than 2 frag buffered AND\n // time to finish loading current fragment is bigger than buffer starvation delay\n // ie if we risk buffer starvation if bw does not increase quickly\n if ((bufferStarvationDelay < (2 * frag.duration / playbackRate)) && (fragLoadedDelay > bufferStarvationDelay)) {\n let fragLevelNextLoadedDelay;\n let nextLoadLevel;\n // lets iterate through lower level and try to find the biggest one that could avoid rebuffering\n // we start from current level - 1 and we step down , until we find a matching level\n for (nextLoadLevel = frag.level - 1; nextLoadLevel > minAutoLevel; nextLoadLevel--) {\n // compute time to load next fragment at lower level\n // 0.8 : consider only 80% of current bw to be conservative\n // 8 = bits per byte (bps/Bps)\n const levelNextBitrate = levels[nextLoadLevel].realBitrate\n ? Math.max(levels[nextLoadLevel].realBitrate, levels[nextLoadLevel].bitrate)\n : levels[nextLoadLevel].bitrate;\n\n const fragLevelNextLoadedDelay = frag.duration * levelNextBitrate / (8 * 0.8 * loadRate);\n\n if (fragLevelNextLoadedDelay < bufferStarvationDelay) {\n // we found a lower level that be rebuffering free with current estimated bw !\n break;\n }\n }\n // only emergency switch down if it takes less time to load new fragment at lowest level instead\n // of finishing loading current one ...\n if (fragLevelNextLoadedDelay < fragLoadedDelay) {\n logger.warn(`loading too slow, abort fragment loading and switch to level ${nextLoadLevel}:fragLoadedDelay[${nextLoadLevel}]<fragLoadedDelay[${frag.level - 1}];bufferStarvationDelay:${fragLevelNextLoadedDelay.toFixed(1)}<${fragLoadedDelay.toFixed(1)}:${bufferStarvationDelay.toFixed(1)}`);\n // force next load level in auto mode\n hls.nextLoadLevel = nextLoadLevel;\n // update bw estimate for this fragment before cancelling load (this will help reducing the bw)\n this._bwEstimator.sample(requestDelay, stats.loaded);\n // abort fragment loading\n loader.abort();\n // stop abandon rules timer\n this.clearTimer();\n hls.trigger(Event.FRAG_LOAD_EMERGENCY_ABORTED, { frag: frag, stats: stats });\n }\n }\n }\n }\n }\n\n onFragLoaded (data) {\n const frag = data.frag;\n if (frag.type === 'main' && Number.isFinite(frag.sn)) {\n // stop monitoring bw once frag loaded\n this.clearTimer();\n // store level id after successful fragment load\n this.lastLoadedFragLevel = frag.level;\n // reset forced auto level value so that next level will be selected\n this._nextAutoLevel = -1;\n\n // compute level average bitrate\n if (this.hls.config.abrMaxWithRealBitrate) {\n const level = this.hls.levels[frag.level];\n let loadedBytes = (level.loaded ? level.loaded.bytes : 0) + data.stats.loaded;\n let loadedDuration = (level.loaded ? level.loaded.duration : 0) + data.frag.duration;\n level.loaded = { bytes: loadedBytes, duration: loadedDuration };\n level.realBitrate = Math.round(8 * loadedBytes / loadedDuration);\n }\n // if fragment has been loaded to perform a bitrate test,\n if (data.frag.bitrateTest) {\n let stats = data.stats;\n stats.tparsed = stats.tbuffered = stats.tload;\n this.onFragBuffered(data);\n }\n }\n }\n\n onFragBuffered (data) {\n const stats = data.stats;\n const frag = data.frag;\n // only update stats on first frag buffering\n // if same frag is loaded multiple times, it might be in browser cache, and loaded quickly\n // and leading to wrong bw estimation\n // on bitrate test, also only update stats once (if tload = tbuffered == on FRAG_LOADED)\n if (stats.aborted !== true && frag.type === 'main' && Number.isFinite(frag.sn) && ((!frag.bitrateTest || stats.tload === stats.tbuffered))) {\n // use tparsed-trequest instead of tbuffered-trequest to compute fragLoadingProcessing; rationale is that buffer appending only happens once media is attached\n // in case we use config.startFragPrefetch while media is not attached yet, fragment might be parsed while media not attached yet, but it will only be buffered on media attached\n // as a consequence it could happen really late in the process. meaning that appending duration might appears huge ... leading to underestimated throughput estimation\n let fragLoadingProcessingMs = stats.tparsed - stats.trequest;\n logger.log(`latency/loading/parsing/append/kbps:${Math.round(stats.tfirst - stats.trequest)}/${Math.round(stats.tload - stats.tfirst)}/${Math.round(stats.tparsed - stats.tload)}/${Math.round(stats.tbuffered - stats.tparsed)}/${Math.round(8 * stats.loaded / (stats.tbuffered - stats.trequest))}`);\n this._bwEstimator.sample(fragLoadingProcessingMs, stats.loaded);\n stats.bwEstimate = this._bwEstimator.getEstimate();\n // if fragment has been loaded to perform a bitrate test, (hls.startLevel = -1), store bitrate test delay duration\n if (frag.bitrateTest) {\n this.bitrateTestDelay = fragLoadingProcessingMs / 1000;\n } else {\n this.bitrateTestDelay = 0;\n }\n }\n }\n\n onError (data) {\n // stop timer in case of frag loading error\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n this.clearTimer();\n break;\n default:\n break;\n }\n }\n\n clearTimer () {\n clearInterval(this.timer);\n this.timer = null;\n }\n\n // return next auto level\n get nextAutoLevel () {\n const forcedAutoLevel = this._nextAutoLevel;\n const bwEstimator = this._bwEstimator;\n // in case next auto level has been forced, and bw not available or not reliable, return forced value\n if (forcedAutoLevel !== -1 && (!bwEstimator || !bwEstimator.canEstimate())) {\n return forcedAutoLevel;\n }\n\n // compute next level using ABR logic\n let nextABRAutoLevel = this._nextABRAutoLevel;\n // if forced auto level has been defined, use it to cap ABR computed quality level\n if (forcedAutoLevel !== -1) {\n nextABRAutoLevel = Math.min(forcedAutoLevel, nextABRAutoLevel);\n }\n\n return nextABRAutoLevel;\n }\n get _nextABRAutoLevel () {\n let hls = this.hls;\n const { maxAutoLevel, levels, config, minAutoLevel } = hls;\n const video = hls.media;\n const currentLevel = this.lastLoadedFragLevel;\n const currentFragDuration = this.fragCurrent ? this.fragCurrent.duration : 0;\n const pos = (video ? video.currentTime : 0);\n\n // playbackRate is the absolute value of the playback rate; if video.playbackRate is 0, we use 1 to load as\n // if we're playing back at the normal rate.\n const playbackRate = ((video && (video.playbackRate !== 0)) ? Math.abs(video.playbackRate) : 1.0);\n const avgbw = this._bwEstimator ? this._bwEstimator.getEstimate() : config.abrEwmaDefaultEstimate;\n // bufferStarvationDelay is the wall-clock time left until the playback buffer is exhausted.\n const bufferStarvationDelay = (BufferHelper.bufferInfo(video, pos, config.maxBufferHole).end - pos) / playbackRate;\n\n // First, look to see if we can find a level matching with our avg bandwidth AND that could also guarantee no rebuffering at all\n let bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay, config.abrBandWidthFactor, config.abrBandWidthUpFactor, levels);\n if (bestLevel >= 0) {\n return bestLevel;\n } else {\n logger.trace('rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering');\n // not possible to get rid of rebuffering ... let's try to find level that will guarantee less than maxStarvationDelay of rebuffering\n // if no matching level found, logic will return 0\n let maxStarvationDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxStarvationDelay) : config.maxStarvationDelay;\n let bwFactor = config.abrBandWidthFactor;\n let bwUpFactor = config.abrBandWidthUpFactor;\n\n if (bufferStarvationDelay === 0) {\n // in case buffer is empty, let's check if previous fragment was loaded to perform a bitrate test\n let bitrateTestDelay = this.bitrateTestDelay;\n if (bitrateTestDelay) {\n // if it is the case, then we need to adjust our max starvation delay using maxLoadingDelay config value\n // max video loading delay used in automatic start level selection :\n // in that mode ABR controller will ensure that video loading time (ie the time to fetch the first fragment at lowest quality level +\n // the time to fetch the fragment at the appropriate quality level is less than ```maxLoadingDelay``` )\n // cap maxLoadingDelay and ensure it is not bigger 'than bitrate test' frag duration\n const maxLoadingDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxLoadingDelay) : config.maxLoadingDelay;\n maxStarvationDelay = maxLoadingDelay - bitrateTestDelay;\n logger.trace(`bitrate test took ${Math.round(1000 * bitrateTestDelay)}ms, set first fragment max fetchDuration to ${Math.round(1000 * maxStarvationDelay)} ms`);\n // don't use conservative factor on bitrate test\n bwFactor = bwUpFactor = 1;\n }\n }\n bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay + maxStarvationDelay, bwFactor, bwUpFactor, levels);\n return Math.max(bestLevel, 0);\n }\n }\n\n _findBestLevel (currentLevel, currentFragDuration, currentBw, minAutoLevel, maxAutoLevel, maxFetchDuration, bwFactor, bwUpFactor, levels) {\n for (let i = maxAutoLevel; i >= minAutoLevel; i--) {\n let levelInfo = levels[i];\n\n if (!levelInfo) {\n continue;\n }\n\n const levelDetails = levelInfo.details;\n const avgDuration = levelDetails ? levelDetails.totalduration / levelDetails.fragments.length : currentFragDuration;\n const live = levelDetails ? levelDetails.live : false;\n\n let adjustedbw;\n // follow algorithm captured from stagefright :\n // https://android.googlesource.com/platform/frameworks/av/+/master/media/libstagefright/httplive/LiveSession.cpp\n // Pick the highest bandwidth stream below or equal to estimated bandwidth.\n // consider only 80% of the available bandwidth, but if we are switching up,\n // be even more conservative (70%) to avoid overestimating and immediately\n // switching back.\n if (i <= currentLevel) {\n adjustedbw = bwFactor * currentBw;\n } else {\n adjustedbw = bwUpFactor * currentBw;\n }\n\n const bitrate = levels[i].realBitrate ? Math.max(levels[i].realBitrate, levels[i].bitrate) : levels[i].bitrate;\n const fetchDuration = bitrate * avgDuration / adjustedbw;\n\n logger.trace(`level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: ${i}/${Math.round(adjustedbw)}/${bitrate}/${avgDuration}/${maxFetchDuration}/${fetchDuration}`);\n // if adjusted bw is greater than level bitrate AND\n if (adjustedbw > bitrate &&\n // fragment fetchDuration unknown OR live stream OR fragment fetchDuration less than max allowed fetch duration, then this level matches\n // we don't account for max Fetch Duration for live streams, this is to avoid switching down when near the edge of live sliding window ...\n // special case to support startLevel = -1 (bitrateTest) on live streams : in that case we should not exit loop so that _findBestLevel will return -1\n (!fetchDuration || (live && !this.bitrateTestDelay) || fetchDuration < maxFetchDuration)) {\n // as we are looping from highest to lowest, this will return the best achievable quality level\n return i;\n }\n }\n // not enough time budget even with quality level 0 ... rebuffering might happen\n return -1;\n }\n\n set nextAutoLevel (nextLevel) {\n this._nextAutoLevel = nextLevel;\n }\n}\n\nexport default AbrController;\n","/*\n * Buffer Controller\n */\n\nimport Events from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { getMediaSource } from '../utils/mediasource-helper';\n\nimport { TrackSet } from '../types/track';\nimport { Segment } from '../types/segment';\nimport { BufferControllerConfig } from '../config';\n\n// Add extension properties to SourceBuffers from the DOM API.\ntype ExtendedSourceBuffer = SourceBuffer & {\n ended?: boolean\n};\n\ntype SourceBufferName = 'video' | 'audio';\ntype SourceBuffers = Partial<Record<SourceBufferName, ExtendedSourceBuffer>>;\n\ninterface SourceBufferFlushRange {\n start: number;\n end: number;\n type: SourceBufferName\n}\n\nconst MediaSource = getMediaSource();\n\nclass BufferController extends EventHandler {\n // the value that we have set mediasource.duration to\n // (the actual duration may be tweaked slighly by the browser)\n private _msDuration: number | null = null;\n // the value that we want to set mediaSource.duration to\n private _levelDuration: number | null = null;\n // the target duration of the current media playlist\n private _levelTargetDuration: number = 10;\n // current stream state: true - for live broadcast, false - for VoD content\n private _live: boolean | null = null;\n // cache the self generated object url to detect hijack of video tag\n private _objectUrl: string | null = null;\n\n // signals that the sourceBuffers need to be flushed\n private _needsFlush: boolean = false;\n\n // signals that mediaSource should have endOfStream called\n private _needsEos: boolean = false;\n\n private config: BufferControllerConfig;\n\n // this is optional because this property is removed from the class sometimes\n public audioTimestampOffset?: number;\n\n // The number of BUFFER_CODEC events received before any sourceBuffers are created\n public bufferCodecEventsExpected: number = 0;\n\n // The total number of BUFFER_CODEC events received\n private _bufferCodecEventsTotal: number = 0;\n\n // A reference to the attached media element\n public media: HTMLMediaElement | null = null;\n\n // A reference to the active media source\n public mediaSource: MediaSource | null = null;\n\n // List of pending segments to be appended to source buffer\n public segments: Segment[] = [];\n\n public parent?: string;\n\n // A guard to see if we are currently appending to the source buffer\n public appending: boolean = false;\n\n // counters\n public appended: number = 0;\n public appendError: number = 0;\n public flushBufferCounter: number = 0;\n\n public tracks: TrackSet = {};\n public pendingTracks: TrackSet = {};\n public sourceBuffer: SourceBuffers = {};\n public flushRange: SourceBufferFlushRange[] = [];\n\n constructor (hls: any) {\n super(hls,\n Events.MEDIA_ATTACHING,\n Events.MEDIA_DETACHING,\n Events.MANIFEST_PARSED,\n Events.BUFFER_RESET,\n Events.BUFFER_APPENDING,\n Events.BUFFER_CODECS,\n Events.BUFFER_EOS,\n Events.BUFFER_FLUSHING,\n Events.LEVEL_PTS_UPDATED,\n Events.LEVEL_UPDATED);\n\n this.config = hls.config;\n }\n\n destroy () {\n EventHandler.prototype.destroy.call(this);\n }\n\n onLevelPtsUpdated (data: { type: SourceBufferName, start: number }) {\n let type = data.type;\n let audioTrack = this.tracks.audio;\n\n // Adjusting `SourceBuffer.timestampOffset` (desired point in the timeline where the next frames should be appended)\n // in Chrome browser when we detect MPEG audio container and time delta between level PTS and `SourceBuffer.timestampOffset`\n // is greater than 100ms (this is enough to handle seek for VOD or level change for LIVE videos). At the time of change we issue\n // `SourceBuffer.abort()` and adjusting `SourceBuffer.timestampOffset` if `SourceBuffer.updating` is false or awaiting `updateend`\n // event if SB is in updating state.\n // More info here: https://github.com/video-dev/hls.js/issues/332#issuecomment-257986486\n\n if (type === 'audio' && audioTrack && audioTrack.container === 'audio/mpeg') { // Chrome audio mp3 track\n let audioBuffer = this.sourceBuffer.audio;\n if (!audioBuffer) {\n throw Error('Level PTS Updated and source buffer for audio uninitalized');\n }\n\n let delta = Math.abs(audioBuffer.timestampOffset - data.start);\n\n // adjust timestamp offset if time delta is greater than 100ms\n if (delta > 0.1) {\n let updating = audioBuffer.updating;\n\n try {\n audioBuffer.abort();\n } catch (err) {\n logger.warn('can not abort audio buffer: ' + err);\n }\n\n if (!updating) {\n logger.warn('change mpeg audio timestamp offset from ' + audioBuffer.timestampOffset + ' to ' + data.start);\n audioBuffer.timestampOffset = data.start;\n } else {\n this.audioTimestampOffset = data.start;\n }\n }\n }\n }\n\n onManifestParsed (data: { altAudio: boolean }) {\n // in case of alt audio 2 BUFFER_CODECS events will be triggered, one per stream controller\n // sourcebuffers will be created all at once when the expected nb of tracks will be reached\n // in case alt audio is not used, only one BUFFER_CODEC event will be fired from main stream controller\n // it will contain the expected nb of source buffers, no need to compute it\n this.bufferCodecEventsExpected = this._bufferCodecEventsTotal = data.altAudio ? 2 : 1;\n logger.log(`${this.bufferCodecEventsExpected} bufferCodec event(s) expected`);\n }\n\n onMediaAttaching (data: { media: HTMLMediaElement }) {\n let media = this.media = data.media;\n if (media && MediaSource) {\n // setup the media source\n let ms = this.mediaSource = new MediaSource();\n // Media Source listeners\n ms.addEventListener('sourceopen', this._onMediaSourceOpen);\n ms.addEventListener('sourceended', this._onMediaSourceEnded);\n ms.addEventListener('sourceclose', this._onMediaSourceClose);\n // link video and media Source\n media.src = window.URL.createObjectURL(ms);\n // cache the locally generated object url\n this._objectUrl = media.src;\n }\n }\n\n onMediaDetaching () {\n logger.log('media source detaching');\n let ms = this.mediaSource;\n if (ms) {\n if (ms.readyState === 'open') {\n try {\n // endOfStream could trigger exception if any sourcebuffer is in updating state\n // we don't really care about checking sourcebuffer state here,\n // as we are anyway detaching the MediaSource\n // let's just avoid this exception to propagate\n ms.endOfStream();\n } catch (err) {\n logger.warn(`onMediaDetaching:${err.message} while calling endOfStream`);\n }\n }\n ms.removeEventListener('sourceopen', this._onMediaSourceOpen);\n ms.removeEventListener('sourceended', this._onMediaSourceEnded);\n ms.removeEventListener('sourceclose', this._onMediaSourceClose);\n\n // Detach properly the MediaSource from the HTMLMediaElement as\n // suggested in https://github.com/w3c/media-source/issues/53.\n if (this.media) {\n if (this._objectUrl) {\n window.URL.revokeObjectURL(this._objectUrl);\n }\n\n // clean up video tag src only if it's our own url. some external libraries might\n // hijack the video tag and change its 'src' without destroying the Hls instance first\n if (this.media.src === this._objectUrl) {\n this.media.removeAttribute('src');\n this.media.load();\n } else {\n logger.warn('media.src was changed by a third party - skip cleanup');\n }\n }\n\n this.mediaSource = null;\n this.media = null;\n this._objectUrl = null;\n this.bufferCodecEventsExpected = this._bufferCodecEventsTotal;\n this.pendingTracks = {};\n this.tracks = {};\n this.sourceBuffer = {};\n this.flushRange = [];\n this.segments = [];\n this.appended = 0;\n }\n\n this.hls.trigger(Events.MEDIA_DETACHED);\n }\n\n checkPendingTracks () {\n let { bufferCodecEventsExpected, pendingTracks } = this;\n\n // Check if we've received all of the expected bufferCodec events. When none remain, create all the sourceBuffers at once.\n // This is important because the MSE spec allows implementations to throw QuotaExceededErrors if creating new sourceBuffers after\n // data has been appended to existing ones.\n // 2 tracks is the max (one for audio, one for video). If we've reach this max go ahead and create the buffers.\n const pendingTracksCount = Object.keys(pendingTracks).length;\n if ((pendingTracksCount && !bufferCodecEventsExpected) || pendingTracksCount === 2) {\n // ok, let's create them now !\n this.createSourceBuffers(pendingTracks);\n this.pendingTracks = {};\n // append any pending segments now !\n this.doAppending();\n }\n }\n\n private _onMediaSourceOpen = () => {\n logger.log('media source opened');\n this.hls.trigger(Events.MEDIA_ATTACHED, { media: this.media });\n let mediaSource = this.mediaSource;\n if (mediaSource) {\n // once received, don't listen anymore to sourceopen event\n mediaSource.removeEventListener('sourceopen', this._onMediaSourceOpen);\n }\n this.checkPendingTracks();\n }\n\n private _onMediaSourceClose = () => {\n logger.log('media source closed');\n }\n\n private _onMediaSourceEnded = () => {\n logger.log('media source ended');\n }\n\n private _onSBUpdateEnd = () => {\n // update timestampOffset\n if (this.audioTimestampOffset && this.sourceBuffer.audio) {\n let audioBuffer = this.sourceBuffer.audio;\n\n logger.warn(`change mpeg audio timestamp offset from ${audioBuffer.timestampOffset} to ${this.audioTimestampOffset}`);\n audioBuffer.timestampOffset = this.audioTimestampOffset;\n delete this.audioTimestampOffset;\n }\n\n if (this._needsFlush) {\n this.doFlush();\n }\n\n if (this._needsEos) {\n this.checkEos();\n }\n\n this.appending = false;\n let parent = this.parent;\n // count nb of pending segments waiting for appending on this sourcebuffer\n let pending = this.segments.reduce((counter, segment) => (segment.parent === parent) ? counter + 1 : counter, 0);\n\n // this.sourceBuffer is better to use than media.buffered as it is closer to the PTS data from the fragments\n const timeRanges: Partial<Record<SourceBufferName, TimeRanges>> = {};\n const sbSet = this.sourceBuffer;\n for (let streamType in sbSet) {\n const sb = sbSet[streamType as SourceBufferName];\n if (!sb) {\n throw Error(`handling source buffer update end error: source buffer for ${streamType} uninitilized and unable to update buffered TimeRanges.`);\n }\n timeRanges[streamType as SourceBufferName] = sb.buffered;\n }\n\n this.hls.trigger(Events.BUFFER_APPENDED, { parent, pending, timeRanges });\n // don't append in flushing mode\n if (!this._needsFlush) {\n this.doAppending();\n }\n\n this.updateMediaElementDuration();\n\n // appending goes first\n if (pending === 0) {\n this.flushLiveBackBuffer();\n }\n }\n\n private _onSBUpdateError = (event: Event) => {\n logger.error('sourceBuffer error:', event);\n // according to http://www.w3.org/TR/media-source/#sourcebuffer-append-error\n // this error might not always be fatal (it is fatal if decode error is set, in that case\n // it will be followed by a mediaElement error ...)\n this.hls.trigger(Events.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_APPENDING_ERROR, fatal: false });\n // we don't need to do more than that, as accordin to the spec, updateend will be fired just after\n }\n\n onBufferReset () {\n const sourceBuffer = this.sourceBuffer;\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type];\n try {\n if (sb) {\n if (this.mediaSource) {\n this.mediaSource.removeSourceBuffer(sb);\n }\n sb.removeEventListener('updateend', this._onSBUpdateEnd);\n sb.removeEventListener('error', this._onSBUpdateError);\n }\n } catch (err) {\n }\n }\n this.sourceBuffer = {};\n this.flushRange = [];\n this.segments = [];\n this.appended = 0;\n }\n\n onBufferCodecs (tracks: TrackSet) {\n // if source buffer(s) not created yet, appended buffer tracks in this.pendingTracks\n // if sourcebuffers already created, do nothing ...\n if (Object.keys(this.sourceBuffer).length) {\n return;\n }\n\n Object.keys(tracks).forEach(trackName => {\n this.pendingTracks[trackName] = tracks[trackName];\n });\n\n this.bufferCodecEventsExpected = Math.max(this.bufferCodecEventsExpected - 1, 0);\n if (this.mediaSource && this.mediaSource.readyState === 'open') {\n this.checkPendingTracks();\n }\n }\n\n createSourceBuffers (tracks: TrackSet) {\n const { sourceBuffer, mediaSource } = this;\n if (!mediaSource) {\n throw Error('createSourceBuffers called when mediaSource was null');\n }\n\n for (let trackName in tracks) {\n if (!sourceBuffer[trackName]) {\n let track = tracks[trackName as keyof TrackSet];\n if (!track) {\n throw Error(`source buffer exists for track ${trackName}, however track does not`);\n }\n // use levelCodec as first priority\n let codec = track.levelCodec || track.codec;\n let mimeType = `${track.container};codecs=${codec}`;\n logger.log(`creating sourceBuffer(${mimeType})`);\n try {\n let sb = sourceBuffer[trackName] = mediaSource.addSourceBuffer(mimeType);\n sb.addEventListener('updateend', this._onSBUpdateEnd);\n sb.addEventListener('error', this._onSBUpdateError);\n this.tracks[trackName] = {\n buffer: sb,\n codec: codec,\n id: track.id,\n container: track.container,\n levelCodec: track.levelCodec\n };\n } catch (err) {\n logger.error(`error while trying to add sourceBuffer:${err.message}`);\n this.hls.trigger(Events.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_ADD_CODEC_ERROR, fatal: false, err: err, mimeType: mimeType });\n }\n }\n }\n this.hls.trigger(Events.BUFFER_CREATED, { tracks: this.tracks });\n }\n\n onBufferAppending (data: Segment) {\n if (!this._needsFlush) {\n if (!this.segments) {\n this.segments = [ data ];\n } else {\n this.segments.push(data);\n }\n\n this.doAppending();\n }\n }\n\n // on BUFFER_EOS mark matching sourcebuffer(s) as ended and trigger checkEos()\n // an undefined data.type will mark all buffers as EOS.\n onBufferEos (data: { type?: SourceBufferName }) {\n for (const type in this.sourceBuffer) {\n if (!data.type || data.type === type) {\n const sb = this.sourceBuffer[type as SourceBufferName];\n if (sb && !sb.ended) {\n sb.ended = true;\n logger.log(`${type} sourceBuffer now EOS`);\n }\n }\n }\n\n this.checkEos();\n }\n\n // if all source buffers are marked as ended, signal endOfStream() to MediaSource.\n checkEos () {\n const { sourceBuffer, mediaSource } = this;\n if (!mediaSource || mediaSource.readyState !== 'open') {\n this._needsEos = false;\n return;\n }\n\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type as SourceBufferName];\n if (!sb) continue;\n\n if (!sb.ended) {\n return;\n }\n\n if (sb.updating) {\n this._needsEos = true;\n return;\n }\n }\n\n logger.log('all media data are available, signal endOfStream() to MediaSource and stop loading fragment');\n // Notify the media element that it now has all of the media data\n try {\n mediaSource.endOfStream();\n } catch (e) {\n logger.warn('exception while calling mediaSource.endOfStream()');\n }\n this._needsEos = false;\n }\n\n onBufferFlushing (data: { startOffset: number, endOffset: number, type?: SourceBufferName }) {\n if (data.type) {\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: data.type });\n } else {\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: 'video' });\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: 'audio' });\n }\n\n // attempt flush immediately\n this.flushBufferCounter = 0;\n this.doFlush();\n }\n\n flushLiveBackBuffer () {\n // clear back buffer for live only\n if (!this._live) {\n return;\n }\n\n const liveBackBufferLength = this.config.liveBackBufferLength;\n if (!isFinite(liveBackBufferLength) || liveBackBufferLength < 0) {\n return;\n }\n\n if (!this.media) {\n logger.error('flushLiveBackBuffer called without attaching media');\n return;\n }\n\n const currentTime = this.media.currentTime;\n const sourceBuffer = this.sourceBuffer;\n const bufferTypes = Object.keys(sourceBuffer);\n const targetBackBufferPosition = currentTime - Math.max(liveBackBufferLength, this._levelTargetDuration);\n\n for (let index = bufferTypes.length - 1; index >= 0; index--) {\n const bufferType = bufferTypes[index];\n const sb = sourceBuffer[bufferType as SourceBufferName];\n if (sb) {\n const buffered = sb.buffered;\n // when target buffer start exceeds actual buffer start\n if (buffered.length > 0 && targetBackBufferPosition > buffered.start(0)) {\n // remove buffer up until current time minus minimum back buffer length (removing buffer too close to current\n // time will lead to playback freezing)\n // credits for level target duration - https://github.com/videojs/http-streaming/blob/3132933b6aa99ddefab29c10447624efd6fd6e52/src/segment-loader.js#L91\n if (this.removeBufferRange(bufferType, sb, 0, targetBackBufferPosition)) {\n this.hls.trigger(Events.LIVE_BACK_BUFFER_REACHED, { bufferEnd: targetBackBufferPosition });\n }\n\n }\n }\n }\n }\n\n onLevelUpdated ({ details }: { details: { totalduration: number, targetduration?: number, averagetargetduration?: number, live: boolean, fragments: any[] } }) {\n if (details.fragments.length > 0) {\n this._levelDuration = details.totalduration + details.fragments[0].start;\n this._levelTargetDuration = details.averagetargetduration || details.targetduration || 10;\n this._live = details.live;\n this.updateMediaElementDuration();\n }\n }\n\n /**\n * Update Media Source duration to current level duration or override to Infinity if configuration parameter\n * 'liveDurationInfinity` is set to `true`\n * More details: https://github.com/video-dev/hls.js/issues/355\n */\n updateMediaElementDuration () {\n let { config } = this;\n let duration: number;\n\n if (this._levelDuration === null ||\n !this.media ||\n !this.mediaSource ||\n !this.sourceBuffer ||\n this.media.readyState === 0 ||\n this.mediaSource.readyState !== 'open') {\n return;\n }\n\n for (let type in this.sourceBuffer) {\n const sb = this.sourceBuffer[type];\n if (sb && sb.updating === true) {\n // can't set duration whilst a buffer is updating\n return;\n }\n }\n\n duration = this.media.duration;\n // initialise to the value that the media source is reporting\n if (this._msDuration === null) {\n this._msDuration = this.mediaSource.duration;\n }\n\n if (this._live === true && config.liveDurationInfinity === true) {\n // Override duration to Infinity\n logger.log('Media Source duration is set to Infinity');\n this._msDuration = this.mediaSource.duration = Infinity;\n } else if ((this._levelDuration > this._msDuration && this._levelDuration > duration) || !Number.isFinite(duration)) {\n // levelDuration was the last value we set.\n // not using mediaSource.duration as the browser may tweak this value\n // only update Media Source duration if its value increase, this is to avoid\n // flushing already buffered portion when switching between quality level\n logger.log(`Updating Media Source duration to ${this._levelDuration.toFixed(3)}`);\n this._msDuration = this.mediaSource.duration = this._levelDuration;\n }\n }\n\n doFlush () {\n // loop through all buffer ranges to flush\n while (this.flushRange.length) {\n let range = this.flushRange[0];\n // flushBuffer will abort any buffer append in progress and flush Audio/Video Buffer\n if (this.flushBuffer(range.start, range.end, range.type)) {\n // range flushed, remove from flush array\n this.flushRange.shift();\n this.flushBufferCounter = 0;\n } else {\n this._needsFlush = true;\n // avoid looping, wait for SB update end to retrigger a flush\n return;\n }\n }\n if (this.flushRange.length === 0) {\n // everything flushed\n this._needsFlush = false;\n\n // let's recompute this.appended, which is used to avoid flush looping\n let appended = 0;\n let sourceBuffer = this.sourceBuffer;\n try {\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type];\n if (sb) {\n appended += sb.buffered.length;\n }\n }\n } catch (error) {\n // error could be thrown while accessing buffered, in case sourcebuffer has already been removed from MediaSource\n // this is harmess at this stage, catch this to avoid reporting an internal exception\n logger.error('error while accessing sourceBuffer.buffered');\n }\n this.appended = appended;\n this.hls.trigger(Events.BUFFER_FLUSHED);\n }\n }\n\n doAppending () {\n let { config, hls, segments, sourceBuffer } = this;\n if (!Object.keys(sourceBuffer).length) {\n // early exit if no source buffers have been initialized yet\n return;\n }\n\n if (!this.media || this.media.error) {\n this.segments = [];\n logger.error('trying to append although a media error occured, flush segment and abort');\n return;\n }\n\n if (this.appending) {\n // logger.log(`sb appending in progress`);\n return;\n }\n\n const segment = segments.shift();\n if (!segment) { // handle undefined shift\n return;\n }\n\n try {\n const sb = sourceBuffer[segment.type];\n if (!sb) {\n // in case we don't have any source buffer matching with this segment type,\n // it means that Mediasource fails to create sourcebuffer\n // discard this segment, and trigger update end\n this._onSBUpdateEnd();\n return;\n }\n\n if (sb.updating) {\n // if we are still updating the source buffer from the last segment, place this back at the front of the queue\n segments.unshift(segment);\n return;\n }\n\n // reset sourceBuffer ended flag before appending segment\n sb.ended = false;\n // logger.log(`appending ${segment.content} ${type} SB, size:${segment.data.length}, ${segment.parent}`);\n this.parent = segment.parent;\n sb.appendBuffer(segment.data);\n this.appendError = 0;\n this.appended++;\n this.appending = true;\n } catch (err) {\n // in case any error occured while appending, put back segment in segments table\n logger.error(`error while trying to append buffer:${err.message}`);\n segments.unshift(segment);\n let event = { type: ErrorTypes.MEDIA_ERROR, parent: segment.parent, details: '', fatal: false };\n if (err.code === 22) {\n // QuotaExceededError: http://www.w3.org/TR/html5/infrastructure.html#quotaexceedederror\n // let's stop appending any segments, and report BUFFER_FULL_ERROR error\n this.segments = [];\n event.details = ErrorDetails.BUFFER_FULL_ERROR;\n } else {\n this.appendError++;\n event.details = ErrorDetails.BUFFER_APPEND_ERROR;\n /* with UHD content, we could get loop of quota exceeded error until\n browser is able to evict some data from sourcebuffer. retrying help recovering this\n */\n if (this.appendError > config.appendErrorMaxRetry) {\n logger.log(`fail ${config.appendErrorMaxRetry} times to append segment in sourceBuffer`);\n this.segments = [];\n event.fatal = true;\n }\n }\n hls.trigger(Events.ERROR, event);\n }\n }\n\n /*\n flush specified buffered range,\n return true once range has been flushed.\n as sourceBuffer.remove() is asynchronous, flushBuffer will be retriggered on sourceBuffer update end\n */\n flushBuffer (startOffset: number, endOffset: number, sbType: SourceBufferName): boolean {\n const sourceBuffer = this.sourceBuffer;\n // exit if no sourceBuffers are initialized\n if (!Object.keys(sourceBuffer).length) {\n return true;\n }\n\n let currentTime: string = 'null';\n if (this.media) {\n currentTime = this.media.currentTime.toFixed(3);\n }\n logger.log(`flushBuffer,pos/start/end: ${currentTime}/${startOffset}/${endOffset}`);\n\n // safeguard to avoid infinite looping : don't try to flush more than the nb of appended segments\n if (this.flushBufferCounter >= this.appended) {\n logger.warn('abort flushing too many retries');\n return true;\n }\n\n const sb = sourceBuffer[sbType];\n // we are going to flush buffer, mark source buffer as 'not ended'\n if (sb) {\n sb.ended = false;\n if (!sb.updating) {\n if (this.removeBufferRange(sbType, sb, startOffset, endOffset)) {\n this.flushBufferCounter++;\n return false;\n }\n } else {\n logger.warn('cannot flush, sb updating in progress');\n return false;\n }\n }\n\n logger.log('buffer flushed');\n // everything flushed !\n return true;\n }\n\n /**\n * Removes first buffered range from provided source buffer that lies within given start and end offsets.\n *\n * @param {string} type Type of the source buffer, logging purposes only.\n * @param {SourceBuffer} sb Target SourceBuffer instance.\n * @param {number} startOffset\n * @param {number} endOffset\n *\n * @returns {boolean} True when source buffer remove requested.\n */\n removeBufferRange (type: string, sb: ExtendedSourceBuffer, startOffset: number, endOffset: number): boolean {\n try {\n for (let i = 0; i < sb.buffered.length; i++) {\n let bufStart = sb.buffered.start(i);\n let bufEnd = sb.buffered.end(i);\n let removeStart = Math.max(bufStart, startOffset);\n let removeEnd = Math.min(bufEnd, endOffset);\n\n /* sometimes sourcebuffer.remove() does not flush\n the exact expected time range.\n to avoid rounding issues/infinite loop,\n only flush buffer range of length greater than 500ms.\n */\n if (Math.min(removeEnd, bufEnd) - removeStart > 0.5) {\n let currentTime: string = 'null';\n if (this.media) {\n currentTime = this.media.currentTime.toString();\n }\n\n logger.log(`sb remove ${type} [${removeStart},${removeEnd}], of [${bufStart},${bufEnd}], pos:${currentTime}`);\n sb.remove(removeStart, removeEnd);\n return true;\n }\n }\n } catch (error) {\n logger.warn('removeBufferRange failed', error);\n }\n\n return false;\n }\n}\n\nexport default BufferController;\n","/*\n * cap stream level to media size dimension controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\n\nclass CapLevelController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.FPS_DROP_LEVEL_CAPPING,\n Event.MEDIA_ATTACHING,\n Event.MANIFEST_PARSED,\n Event.BUFFER_CODECS,\n Event.MEDIA_DETACHING);\n\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n this.firstLevel = null;\n this.levels = [];\n this.media = null;\n this.restrictedLevels = [];\n this.timer = null;\n }\n\n destroy () {\n if (this.hls.config.capLevelToPlayerSize) {\n this.media = null;\n this.stopCapping();\n }\n }\n\n onFpsDropLevelCapping (data) {\n // Don't add a restricted level more than once\n if (CapLevelController.isLevelAllowed(data.droppedLevel, this.restrictedLevels)) {\n this.restrictedLevels.push(data.droppedLevel);\n }\n }\n\n onMediaAttaching (data) {\n this.media = data.media instanceof window.HTMLVideoElement ? data.media : null;\n }\n\n onManifestParsed (data) {\n const hls = this.hls;\n this.restrictedLevels = [];\n this.levels = data.levels;\n this.firstLevel = data.firstLevel;\n if (hls.config.capLevelToPlayerSize && data.video) {\n // Start capping immediately if the manifest has signaled video codecs\n this.startCapping();\n }\n }\n\n // Only activate capping when playing a video stream; otherwise, multi-bitrate audio-only streams will be restricted\n // to the first level\n onBufferCodecs (data) {\n const hls = this.hls;\n if (hls.config.capLevelToPlayerSize && data.video) {\n // If the manifest did not signal a video codec capping has been deferred until we're certain video is present\n this.startCapping();\n }\n }\n\n onLevelsUpdated (data) {\n this.levels = data.levels;\n }\n\n onMediaDetaching () {\n this.stopCapping();\n }\n\n detectPlayerSize () {\n if (this.media) {\n let levelsLength = this.levels ? this.levels.length : 0;\n if (levelsLength) {\n const hls = this.hls;\n hls.autoLevelCapping = this.getMaxLevel(levelsLength - 1);\n if (hls.autoLevelCapping > this.autoLevelCapping) {\n // if auto level capping has a higher value for the previous one, flush the buffer using nextLevelSwitch\n // usually happen when the user go to the fullscreen mode.\n hls.streamController.nextLevelSwitch();\n }\n this.autoLevelCapping = hls.autoLevelCapping;\n }\n }\n }\n\n /*\n * returns level should be the one with the dimensions equal or greater than the media (player) dimensions (so the video will be downscaled)\n */\n getMaxLevel (capLevelIndex) {\n if (!this.levels) {\n return -1;\n }\n\n const validLevels = this.levels.filter((level, index) =>\n CapLevelController.isLevelAllowed(index, this.restrictedLevels) && index <= capLevelIndex\n );\n\n return CapLevelController.getMaxLevelByMediaSize(validLevels, this.mediaWidth, this.mediaHeight);\n }\n\n startCapping () {\n if (this.timer) {\n // Don't reset capping if started twice; this can happen if the manifest signals a video codec\n return;\n }\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n this.hls.firstLevel = this.getMaxLevel(this.firstLevel);\n clearInterval(this.timer);\n this.timer = setInterval(this.detectPlayerSize.bind(this), 1000);\n this.detectPlayerSize();\n }\n\n stopCapping () {\n this.restrictedLevels = [];\n this.firstLevel = null;\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n if (this.timer) {\n this.timer = clearInterval(this.timer);\n this.timer = null;\n }\n }\n\n get mediaWidth () {\n let width;\n const media = this.media;\n if (media) {\n width = media.width || media.clientWidth || media.offsetWidth;\n width *= CapLevelController.contentScaleFactor;\n }\n return width;\n }\n\n get mediaHeight () {\n let height;\n const media = this.media;\n if (media) {\n height = media.height || media.clientHeight || media.offsetHeight;\n height *= CapLevelController.contentScaleFactor;\n }\n return height;\n }\n\n static get contentScaleFactor () {\n let pixelRatio = 1;\n try {\n pixelRatio = window.devicePixelRatio;\n } catch (e) {}\n return pixelRatio;\n }\n\n static isLevelAllowed (level, restrictedLevels = []) {\n return restrictedLevels.indexOf(level) === -1;\n }\n\n static getMaxLevelByMediaSize (levels, width, height) {\n if (!levels || (levels && !levels.length)) {\n return -1;\n }\n\n // Levels can have the same dimensions but differing bandwidths - since levels are ordered, we can look to the next\n // to determine whether we've chosen the greatest bandwidth for the media's dimensions\n const atGreatestBandiwdth = (curLevel, nextLevel) => {\n if (!nextLevel) {\n return true;\n }\n\n return curLevel.width !== nextLevel.width || curLevel.height !== nextLevel.height;\n };\n\n // If we run through the loop without breaking, the media's dimensions are greater than every level, so default to\n // the max level\n let maxLevelIndex = levels.length - 1;\n\n for (let i = 0; i < levels.length; i += 1) {\n const level = levels[i];\n if ((level.width >= width || level.height >= height) && atGreatestBandiwdth(level, levels[i + 1])) {\n maxLevelIndex = i;\n break;\n }\n }\n\n return maxLevelIndex;\n }\n}\n\nexport default CapLevelController;\n","/**\n * @see https://developer.mozilla.org/en-US/docs/Web/API/Navigator/requestMediaKeySystemAccess\n */\nexport enum KeySystems {\n WIDEVINE = 'com.widevine.alpha',\n PLAYREADY = 'com.microsoft.playready',\n}\n\nexport type MediaKeyFunc = (keySystem: KeySystems, supportedConfigurations: MediaKeySystemConfiguration[]) => Promise<MediaKeySystemAccess>;\nconst requestMediaKeySystemAccess = (function (): MediaKeyFunc | null {\n if (typeof window !== 'undefined' && window.navigator && window.navigator.requestMediaKeySystemAccess) {\n return window.navigator.requestMediaKeySystemAccess.bind(window.navigator);\n } else {\n return null;\n }\n})();\n\nexport {\n requestMediaKeySystemAccess\n};\n","/*\n * FPS Controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\n\nconst { performance } = window;\n\nclass FPSController extends EventHandler {\n constructor (hls) {\n super(hls, Event.MEDIA_ATTACHING);\n }\n\n destroy () {\n if (this.timer) {\n clearInterval(this.timer);\n }\n\n this.isVideoPlaybackQualityAvailable = false;\n }\n\n onMediaAttaching (data) {\n const config = this.hls.config;\n if (config.capLevelOnFPSDrop) {\n const video = this.video = data.media instanceof window.HTMLVideoElement ? data.media : null;\n if (typeof video.getVideoPlaybackQuality === 'function') {\n this.isVideoPlaybackQualityAvailable = true;\n }\n\n clearInterval(this.timer);\n this.timer = setInterval(this.checkFPSInterval.bind(this), config.fpsDroppedMonitoringPeriod);\n }\n }\n\n checkFPS (video, decodedFrames, droppedFrames) {\n let currentTime = performance.now();\n if (decodedFrames) {\n if (this.lastTime) {\n let currentPeriod = currentTime - this.lastTime,\n currentDropped = droppedFrames - this.lastDroppedFrames,\n currentDecoded = decodedFrames - this.lastDecodedFrames,\n droppedFPS = 1000 * currentDropped / currentPeriod,\n hls = this.hls;\n hls.trigger(Event.FPS_DROP, { currentDropped: currentDropped, currentDecoded: currentDecoded, totalDroppedFrames: droppedFrames });\n if (droppedFPS > 0) {\n // logger.log('checkFPS : droppedFPS/decodedFPS:' + droppedFPS/(1000 * currentDecoded / currentPeriod));\n if (currentDropped > hls.config.fpsDroppedMonitoringThreshold * currentDecoded) {\n let currentLevel = hls.currentLevel;\n logger.warn('drop FPS ratio greater than max allowed value for currentLevel: ' + currentLevel);\n if (currentLevel > 0 && (hls.autoLevelCapping === -1 || hls.autoLevelCapping >= currentLevel)) {\n currentLevel = currentLevel - 1;\n hls.trigger(Event.FPS_DROP_LEVEL_CAPPING, { level: currentLevel, droppedLevel: hls.currentLevel });\n hls.autoLevelCapping = currentLevel;\n hls.streamController.nextLevelSwitch();\n }\n }\n }\n }\n this.lastTime = currentTime;\n this.lastDroppedFrames = droppedFrames;\n this.lastDecodedFrames = decodedFrames;\n }\n }\n\n checkFPSInterval () {\n const video = this.video;\n if (video) {\n if (this.isVideoPlaybackQualityAvailable) {\n let videoPlaybackQuality = video.getVideoPlaybackQuality();\n this.checkFPS(video, videoPlaybackQuality.totalVideoFrames, videoPlaybackQuality.droppedVideoFrames);\n } else {\n this.checkFPS(video, video.webkitDecodedFrameCount, video.webkitDroppedFrameCount);\n }\n }\n }\n}\n\nexport default FPSController;\n","/**\n * XHR based logger\n*/\n\nimport { logger } from '../utils/logger';\n\nconst { performance, XMLHttpRequest } = window;\n\nclass XhrLoader {\n constructor (config) {\n if (config && config.xhrSetup) {\n this.xhrSetup = config.xhrSetup;\n }\n }\n\n destroy () {\n this.abort();\n this.loader = null;\n }\n\n abort () {\n let loader = this.loader;\n if (loader && loader.readyState !== 4) {\n this.stats.aborted = true;\n loader.abort();\n }\n\n window.clearTimeout(this.requestTimeout);\n this.requestTimeout = null;\n window.clearTimeout(this.retryTimeout);\n this.retryTimeout = null;\n }\n\n load (context, config, callbacks) {\n this.context = context;\n this.config = config;\n this.callbacks = callbacks;\n this.stats = { trequest: performance.now(), retry: 0 };\n this.retryDelay = config.retryDelay;\n this.loadInternal();\n }\n\n loadInternal () {\n let xhr, context = this.context;\n xhr = this.loader = new XMLHttpRequest();\n\n let stats = this.stats;\n stats.tfirst = 0;\n stats.loaded = 0;\n const xhrSetup = this.xhrSetup;\n\n try {\n if (xhrSetup) {\n try {\n xhrSetup(xhr, context.url);\n } catch (e) {\n // fix xhrSetup: (xhr, url) => {xhr.setRequestHeader(\"Content-Language\", \"test\");}\n // not working, as xhr.setRequestHeader expects xhr.readyState === OPEN\n xhr.open('GET', context.url, true);\n xhrSetup(xhr, context.url);\n }\n }\n if (!xhr.readyState) {\n xhr.open('GET', context.url, true);\n }\n } catch (e) {\n // IE11 throws an exception on xhr.open if attempting to access an HTTP resource over HTTPS\n this.callbacks.onError({ code: xhr.status, text: e.message }, context, xhr);\n return;\n }\n\n if (context.rangeEnd) {\n xhr.setRequestHeader('Range', 'bytes=' + context.rangeStart + '-' + (context.rangeEnd - 1));\n }\n\n xhr.onreadystatechange = this.readystatechange.bind(this);\n xhr.onprogress = this.loadprogress.bind(this);\n xhr.responseType = context.responseType;\n\n // setup timeout before we perform request\n this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), this.config.timeout);\n xhr.send();\n }\n\n readystatechange (event) {\n let xhr = event.currentTarget,\n readyState = xhr.readyState,\n stats = this.stats,\n context = this.context,\n config = this.config;\n\n // don't proceed if xhr has been aborted\n if (stats.aborted) {\n return;\n }\n\n // >= HEADERS_RECEIVED\n if (readyState >= 2) {\n // clear xhr timeout and rearm it if readyState less than 4\n window.clearTimeout(this.requestTimeout);\n if (stats.tfirst === 0) {\n stats.tfirst = Math.max(performance.now(), stats.trequest);\n }\n\n if (readyState === 4) {\n let status = xhr.status;\n // http status between 200 to 299 are all successful\n if (status >= 200 && status < 300) {\n stats.tload = Math.max(stats.tfirst, performance.now());\n let data, len;\n if (context.responseType === 'arraybuffer') {\n data = xhr.response;\n len = data.byteLength;\n } else {\n data = xhr.responseText;\n len = data.length;\n }\n stats.loaded = stats.total = len;\n let response = { url: xhr.responseURL, data: data };\n this.callbacks.onSuccess(response, stats, context, xhr);\n } else {\n // if max nb of retries reached or if http status between 400 and 499 (such error cannot be recovered, retrying is useless), return error\n if (stats.retry >= config.maxRetry) {\n logger.error(`${status} while loading ${context.url}`);\n this.callbacks.onError({ code: status, text: xhr.statusText }, context, xhr);\n } else {\n // retry\n logger.warn(`${status} while loading ${context.url}, retrying in ${this.retryDelay}...`);\n // aborts and resets internal state\n this.destroy();\n // schedule retry\n this.retryTimeout = window.setTimeout(this.loadInternal.bind(this), this.retryDelay);\n // set exponential backoff\n this.retryDelay = Math.min(2 * this.retryDelay, config.maxRetryDelay);\n stats.retry++;\n }\n }\n } else {\n // readyState >= 2 AND readyState !==4 (readyState = HEADERS_RECEIVED || LOADING) rearm timeout as xhr not finished yet\n this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), config.timeout);\n }\n }\n }\n\n loadtimeout () {\n logger.warn(`timeout while loading ${this.context.url}`);\n this.callbacks.onTimeout(this.stats, this.context, null);\n }\n\n loadprogress (event) {\n let xhr = event.currentTarget,\n stats = this.stats;\n\n stats.loaded = event.loaded;\n if (event.lengthComputable) {\n stats.total = event.total;\n }\n\n let onProgress = this.callbacks.onProgress;\n if (onProgress) {\n // third arg is to provide on progress data\n onProgress(stats, this.context, null, xhr);\n }\n }\n}\n\nexport default XhrLoader;\n","/**\n * HLS config\n */\n\nimport AbrController from './controller/abr-controller';\nimport BufferController from './controller/buffer-controller';\nimport CapLevelController from './controller/cap-level-controller';\nimport FPSController from './controller/fps-controller';\nimport XhrLoader from './utils/xhr-loader';\n// import FetchLoader from './utils/fetch-loader';\n\nimport AudioTrackController from './controller/audio-track-controller';\nimport AudioStreamController from './controller/audio-stream-controller';\n\nimport * as Cues from './utils/cues';\nimport TimelineController from './controller/timeline-controller';\nimport SubtitleTrackController from './controller/subtitle-track-controller';\nimport { SubtitleStreamController } from './controller/subtitle-stream-controller';\nimport EMEController from './controller/eme-controller';\nimport { requestMediaKeySystemAccess, MediaKeyFunc } from './utils/mediakeys-helper';\n\ntype ABRControllerConfig = {\n abrEwmaFastLive: number,\n abrEwmaSlowLive: number,\n abrEwmaFastVoD: number,\n abrEwmaSlowVoD: number,\n abrEwmaDefaultEstimate: number,\n abrBandWidthFactor: number,\n abrBandWidthUpFactor: number,\n abrMaxWithRealBitrate: boolean,\n maxStarvationDelay: number,\n maxLoadingDelay: number,\n};\n\nexport type BufferControllerConfig = {\n appendErrorMaxRetry: number,\n liveDurationInfinity: boolean,\n liveBackBufferLength: number,\n};\n\ntype CapLevelControllerConfig = {\n capLevelToPlayerSize: boolean\n};\n\nexport type EMEControllerConfig = {\n licenseXhrSetup?: (xhr: XMLHttpRequest, url: string) => void,\n emeEnabled: boolean,\n widevineLicenseUrl?: string,\n requestMediaKeySystemAccessFunc: MediaKeyFunc | null,\n};\n\ntype FragmentLoaderConfig = {\n fLoader: any, // TODO(typescript-loader): Once Loader is typed fill this in\n\n fragLoadingTimeOut: number,\n fragLoadingMaxRetry: number,\n fragLoadingRetryDelay: number,\n fragLoadingMaxRetryTimeout: number,\n};\n\ntype FPSControllerConfig = {\n capLevelOnFPSDrop: boolean,\n fpsDroppedMonitoringPeriod: number,\n fpsDroppedMonitoringThreshold: number,\n};\n\ntype LevelControllerConfig = {\n startLevel?: number\n};\n\ntype MP4RemuxerConfig = {\n stretchShortVideoTrack: boolean,\n maxAudioFramesDrift: number,\n};\n\ntype PlaylistLoaderConfig = {\n pLoader: any, // TODO(typescript-loader): Once Loader is typed fill this in\n\n manifestLoadingTimeOut: number,\n manifestLoadingMaxRetry: number,\n manifestLoadingRetryDelay: number,\n manifestLoadingMaxRetryTimeout: number,\n\n levelLoadingTimeOut: number,\n levelLoadingMaxRetry: number,\n levelLoadingRetryDelay: number,\n levelLoadingMaxRetryTimeout: number\n};\n\ntype StreamControllerConfig = {\n autoStartLoad: boolean,\n startPosition: number,\n defaultAudioCodec?: string,\n initialLiveManifestSize: number,\n maxBufferLength: number,\n maxBufferSize: number,\n maxBufferHole: number,\n\n lowBufferWatchdogPeriod: number,\n highBufferWatchdogPeriod: number,\n nudgeOffset: number,\n nudgeMaxRetry: number,\n maxFragLookUpTolerance: number,\n liveSyncDurationCount: number,\n liveMaxLatencyDurationCount: number,\n liveSyncDuration?: number,\n liveMaxLatencyDuration?: number,\n maxMaxBufferLength: number,\n\n startFragPrefetch: boolean,\n};\n\ntype TimelineControllerConfig = {\n cueHandler: any, // TODO(typescript-cues): Type once file is done\n enableCEA708Captions: boolean,\n enableWebVTT: boolean,\n captionsTextTrack1Label: string,\n captionsTextTrack1LanguageCode: string,\n captionsTextTrack2Label: string,\n captionsTextTrack2LanguageCode: string,\n};\n\ntype TSDemuxerConfig = {\n forceKeyFrameOnDiscontinuity: boolean,\n};\n\nexport type HlsConfig =\n {\n debug: boolean,\n enableWorker: boolean,\n enableSoftwareAES: boolean,\n minAutoBitrate: number,\n loader: any, // TODO(typescript-xhrloader): Type once XHR is done\n xhrSetup?: (xhr: XMLHttpRequest, url: string) => void,\n\n // Alt Audio\n audioStreamController?: any, // TODO(typescript-audiostreamcontroller): Type once file is done\n audioTrackController?: any, // TODO(typescript-audiotrackcontroller): Type once file is done\n // Subtitle\n subtitleStreamController?: any, // TODO(typescript-subtitlestreamcontroller): Type once file is done\n subtitleTrackController?: any, // TODO(typescript-subtitletrackcontroller): Type once file is done\n timelineController?: any, // TODO(typescript-timelinecontroller): Type once file is done\n // EME\n emeController?: typeof EMEController,\n\n abrController: any, // TODO(typescript-abrcontroller): Type once file is done\n bufferController: typeof BufferController,\n capLevelController: any, // TODO(typescript-caplevelcontroller): Type once file is done\n fpsController: any, // TODO(typescript-fpscontroller): Type once file is done\n } &\n ABRControllerConfig &\n BufferControllerConfig &\n CapLevelControllerConfig &\n EMEControllerConfig &\n FPSControllerConfig &\n FragmentLoaderConfig &\n LevelControllerConfig &\n MP4RemuxerConfig &\n PlaylistLoaderConfig &\n StreamControllerConfig &\n Partial<TimelineControllerConfig> &\n TSDemuxerConfig;\n\n// If possible, keep hlsDefaultConfig shallow\n// It is cloned whenever a new Hls instance is created, by keeping the config\n// shallow the properties are cloned, and we don't end up manipulating the default\nexport const hlsDefaultConfig: HlsConfig = {\n autoStartLoad: true, // used by stream-controller\n startPosition: -1, // used by stream-controller\n defaultAudioCodec: void 0, // used by stream-controller\n debug: false, // used by logger\n capLevelOnFPSDrop: false, // used by fps-controller\n capLevelToPlayerSize: false, // used by cap-level-controller\n initialLiveManifestSize: 1, // used by stream-controller\n maxBufferLength: 30, // used by stream-controller\n maxBufferSize: 60 * 1000 * 1000, // used by stream-controller\n maxBufferHole: 0.5, // used by stream-controller\n\n lowBufferWatchdogPeriod: 0.5, // used by stream-controller\n highBufferWatchdogPeriod: 3, // used by stream-controller\n nudgeOffset: 0.1, // used by stream-controller\n nudgeMaxRetry: 3, // used by stream-controller\n maxFragLookUpTolerance: 0.25, // used by stream-controller\n liveSyncDurationCount: 3, // used by stream-controller\n liveMaxLatencyDurationCount: Infinity, // used by stream-controller\n liveSyncDuration: void 0, // used by stream-controller\n liveMaxLatencyDuration: void 0, // used by stream-controller\n liveDurationInfinity: false, // used by buffer-controller\n liveBackBufferLength: Infinity, // used by buffer-controller\n maxMaxBufferLength: 600, // used by stream-controller\n enableWorker: true, // used by demuxer\n enableSoftwareAES: true, // used by decrypter\n manifestLoadingTimeOut: 10000, // used by playlist-loader\n manifestLoadingMaxRetry: 1, // used by playlist-loader\n manifestLoadingRetryDelay: 1000, // used by playlist-loader\n manifestLoadingMaxRetryTimeout: 64000, // used by playlist-loader\n startLevel: void 0, // used by level-controller\n levelLoadingTimeOut: 10000, // used by playlist-loader\n levelLoadingMaxRetry: 4, // used by playlist-loader\n levelLoadingRetryDelay: 1000, // used by playlist-loader\n levelLoadingMaxRetryTimeout: 64000, // used by playlist-loader\n fragLoadingTimeOut: 20000, // used by fragment-loader\n fragLoadingMaxRetry: 6, // used by fragment-loader\n fragLoadingRetryDelay: 1000, // used by fragment-loader\n fragLoadingMaxRetryTimeout: 64000, // used by fragment-loader\n startFragPrefetch: false, // used by stream-controller\n fpsDroppedMonitoringPeriod: 5000, // used by fps-controller\n fpsDroppedMonitoringThreshold: 0.2, // used by fps-controller\n appendErrorMaxRetry: 3, // used by buffer-controller\n loader: XhrLoader,\n // loader: FetchLoader,\n fLoader: void 0, // used by fragment-loader\n pLoader: void 0, // used by playlist-loader\n xhrSetup: void 0, // used by xhr-loader\n licenseXhrSetup: void 0, // used by eme-controller\n // fetchSetup: void 0,\n abrController: AbrController,\n bufferController: BufferController,\n capLevelController: CapLevelController,\n fpsController: FPSController,\n stretchShortVideoTrack: false, // used by mp4-remuxer\n maxAudioFramesDrift: 1, // used by mp4-remuxer\n forceKeyFrameOnDiscontinuity: true, // used by ts-demuxer\n abrEwmaFastLive: 3, // used by abr-controller\n abrEwmaSlowLive: 9, // used by abr-controller\n abrEwmaFastVoD: 3, // used by abr-controller\n abrEwmaSlowVoD: 9, // used by abr-controller\n abrEwmaDefaultEstimate: 5e5, // 500 kbps // used by abr-controller\n abrBandWidthFactor: 0.95, // used by abr-controller\n abrBandWidthUpFactor: 0.7, // used by abr-controller\n abrMaxWithRealBitrate: false, // used by abr-controller\n maxStarvationDelay: 4, // used by abr-controller\n maxLoadingDelay: 4, // used by abr-controller\n minAutoBitrate: 0, // used by hls\n emeEnabled: false, // used by eme-controller\n widevineLicenseUrl: void 0, // used by eme-controller\n requestMediaKeySystemAccessFunc: requestMediaKeySystemAccess, // used by eme-controller\n\n // Dynamic Modules\n ...timelineConfig(),\n subtitleStreamController: (__USE_SUBTITLES__) ? SubtitleStreamController : void 0,\n subtitleTrackController: (__USE_SUBTITLES__) ? SubtitleTrackController : void 0,\n timelineController: (__USE_SUBTITLES__) ? TimelineController : void 0,\n audioStreamController: (__USE_ALT_AUDIO__) ? AudioStreamController : void 0,\n audioTrackController: (__USE_ALT_AUDIO__) ? AudioTrackController : void 0,\n emeController: (__USE_EME_DRM__) ? EMEController : void 0\n};\n\nfunction timelineConfig (): TimelineControllerConfig {\n if (!__USE_SUBTITLES__) {\n // intentionally doing this over returning Partial<TimelineControllerConfig> above\n // this has the added nice property of still requiring the object below to completely define all props.\n return {} as any;\n }\n return {\n cueHandler: Cues, // used by timeline-controller\n enableCEA708Captions: true, // used by timeline-controller\n enableWebVTT: true, // used by timeline-controller\n captionsTextTrack1Label: 'English', // used by timeline-controller\n captionsTextTrack1LanguageCode: 'en', // used by timeline-controller\n captionsTextTrack2Label: 'Spanish', // used by timeline-controller\n captionsTextTrack2LanguageCode: 'es' // used by timeline-controller\n };\n}\n","import * as URLToolkit from 'url-toolkit';\n\nimport {\n ErrorTypes,\n ErrorDetails\n} from './errors';\n\nimport PlaylistLoader from './loader/playlist-loader';\nimport FragmentLoader from './loader/fragment-loader';\nimport KeyLoader from './loader/key-loader';\n\nimport { FragmentTracker } from './controller/fragment-tracker';\nimport StreamController from './controller/stream-controller';\nimport LevelController from './controller/level-controller';\nimport ID3TrackController from './controller/id3-track-controller';\n\nimport { isSupported } from './is-supported';\nimport { logger, enableLogs } from './utils/logger';\nimport { hlsDefaultConfig, HlsConfig } from './config';\n\nimport HlsEvents from './events';\n\nimport { Observer } from './observer';\n\n/**\n * @module Hls\n * @class\n * @constructor\n */\nexport default class Hls extends Observer {\n public static defaultConfig?: HlsConfig;\n public config: HlsConfig;\n\n private _autoLevelCapping: number;\n private abrController: any;\n private capLevelController: any;\n private levelController: any;\n private streamController: any;\n private networkControllers: any[];\n private audioTrackController: any;\n private subtitleTrackController: any;\n private emeController: any;\n private coreComponents: any[];\n private media: HTMLMediaElement | null = null;\n private url: string | null = null;\n\n /**\n * @type {string}\n */\n static get version (): string {\n return __VERSION__;\n }\n\n /**\n * @type {boolean}\n */\n static isSupported (): boolean {\n return isSupported();\n }\n\n /**\n * @type {HlsEvents}\n */\n static get Events () {\n return HlsEvents;\n }\n\n /**\n * @type {HlsErrorTypes}\n */\n static get ErrorTypes () {\n return ErrorTypes;\n }\n\n /**\n * @type {HlsErrorDetails}\n */\n static get ErrorDetails () {\n return ErrorDetails;\n }\n\n /**\n * @type {HlsConfig}\n */\n static get DefaultConfig (): HlsConfig {\n if (!Hls.defaultConfig) {\n return hlsDefaultConfig;\n }\n\n return Hls.defaultConfig;\n }\n\n /**\n * @type {HlsConfig}\n */\n static set DefaultConfig (defaultConfig: HlsConfig) {\n Hls.defaultConfig = defaultConfig;\n }\n\n /**\n * Creates an instance of an HLS client that can attach to exactly one `HTMLMediaElement`.\n *\n * @constructs Hls\n * @param {HlsConfig} config\n */\n constructor (userConfig: Partial<HlsConfig> = {}) {\n super();\n\n const defaultConfig = Hls.DefaultConfig;\n\n if ((userConfig.liveSyncDurationCount || userConfig.liveMaxLatencyDurationCount) && (userConfig.liveSyncDuration || userConfig.liveMaxLatencyDuration)) {\n throw new Error('Illegal hls.js config: don\\'t mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration');\n }\n\n // Shallow clone\n this.config = {\n ...defaultConfig,\n ...userConfig\n };\n\n const { config } = this;\n\n if (config.liveMaxLatencyDurationCount !== void 0 && config.liveMaxLatencyDurationCount <= config.liveSyncDurationCount) {\n throw new Error('Illegal hls.js config: \"liveMaxLatencyDurationCount\" must be gt \"liveSyncDurationCount\"');\n }\n\n if (config.liveMaxLatencyDuration !== void 0 && (config.liveSyncDuration === void 0 || config.liveMaxLatencyDuration <= config.liveSyncDuration)) {\n throw new Error('Illegal hls.js config: \"liveMaxLatencyDuration\" must be gt \"liveSyncDuration\"');\n }\n\n enableLogs(config.debug);\n\n this._autoLevelCapping = -1;\n\n // core controllers and network loaders\n\n /**\n * @member {AbrController} abrController\n */\n const abrController = this.abrController = new config.abrController(this); // eslint-disable-line new-cap\n const bufferController = new config.bufferController(this); // eslint-disable-line new-cap\n const capLevelController = this.capLevelController = new config.capLevelController(this); // eslint-disable-line new-cap\n const fpsController = new config.fpsController(this); // eslint-disable-line new-cap\n const playListLoader = new PlaylistLoader(this);\n const fragmentLoader = new FragmentLoader(this);\n const keyLoader = new KeyLoader(this);\n const id3TrackController = new ID3TrackController(this);\n\n // network controllers\n\n /**\n * @member {LevelController} levelController\n */\n const levelController = this.levelController = new LevelController(this);\n\n // FIXME: FragmentTracker must be defined before StreamController because the order of event handling is important\n const fragmentTracker = new FragmentTracker(this);\n\n /**\n * @member {StreamController} streamController\n */\n const streamController = this.streamController = new StreamController(this, fragmentTracker);\n\n let networkControllers = [levelController, streamController];\n\n // optional audio stream controller\n /**\n * @var {ICoreComponent | Controller}\n */\n let Controller = config.audioStreamController;\n if (Controller) {\n networkControllers.push(new Controller(this, fragmentTracker));\n }\n\n /**\n * @member {INetworkController[]} networkControllers\n */\n this.networkControllers = networkControllers;\n\n /**\n * @var {ICoreComponent[]}\n */\n const coreComponents = [\n playListLoader,\n fragmentLoader,\n keyLoader,\n abrController,\n bufferController,\n capLevelController,\n fpsController,\n id3TrackController,\n fragmentTracker\n ];\n\n // optional audio track and subtitle controller\n Controller = config.audioTrackController;\n if (Controller) {\n const audioTrackController = new Controller(this);\n\n /**\n * @member {AudioTrackController} audioTrackController\n */\n this.audioTrackController = audioTrackController;\n coreComponents.push(audioTrackController);\n }\n\n Controller = config.subtitleTrackController;\n if (Controller) {\n const subtitleTrackController = new Controller(this);\n\n /**\n * @member {SubtitleTrackController} subtitleTrackController\n */\n this.subtitleTrackController = subtitleTrackController;\n networkControllers.push(subtitleTrackController);\n }\n\n Controller = config.emeController;\n if (Controller) {\n const emeController = new Controller(this);\n\n /**\n * @member {EMEController} emeController\n */\n this.emeController = emeController;\n coreComponents.push(emeController);\n }\n\n // optional subtitle controllers\n Controller = config.subtitleStreamController;\n if (Controller) {\n networkControllers.push(new Controller(this, fragmentTracker));\n }\n Controller = config.timelineController;\n if (Controller) {\n coreComponents.push(new Controller(this));\n }\n\n /**\n * @member {ICoreComponent[]}\n */\n this.coreComponents = coreComponents;\n }\n\n /**\n * Dispose of the instance\n */\n destroy () {\n logger.log('destroy');\n this.trigger(HlsEvents.DESTROYING);\n this.detachMedia();\n this.coreComponents.concat(this.networkControllers).forEach(component => {\n component.destroy();\n });\n this.url = null;\n this.removeAllListeners();\n this._autoLevelCapping = -1;\n }\n\n /**\n * Attach a media element\n * @param {HTMLMediaElement} media\n */\n attachMedia (media: HTMLMediaElement) {\n logger.log('attachMedia');\n this.media = media;\n this.trigger(HlsEvents.MEDIA_ATTACHING, { media: media });\n }\n\n /**\n * Detach from the media\n */\n detachMedia () {\n logger.log('detachMedia');\n this.trigger(HlsEvents.MEDIA_DETACHING);\n this.media = null;\n }\n\n /**\n * Set the source URL. Can be relative or absolute.\n * @param {string} url\n */\n loadSource (url: string) {\n url = URLToolkit.buildAbsoluteURL(window.location.href, url, { alwaysNormalize: true });\n logger.log(`loadSource:${url}`);\n this.url = url;\n // when attaching to a source URL, trigger a playlist load\n this.trigger(HlsEvents.MANIFEST_LOADING, { url: url });\n }\n\n /**\n * Start loading data from the stream source.\n * Depending on default config, client starts loading automatically when a source is set.\n *\n * @param {number} startPosition Set the start position to stream from\n * @default -1 None (from earliest point)\n */\n startLoad (startPosition: number = -1) {\n logger.log(`startLoad(${startPosition})`);\n this.networkControllers.forEach(controller => {\n controller.startLoad(startPosition);\n });\n }\n\n /**\n * Stop loading of any stream data.\n */\n stopLoad () {\n logger.log('stopLoad');\n this.networkControllers.forEach(controller => {\n controller.stopLoad();\n });\n }\n\n /**\n * Swap through possible audio codecs in the stream (for example to switch from stereo to 5.1)\n */\n swapAudioCodec () {\n logger.log('swapAudioCodec');\n this.streamController.swapAudioCodec();\n }\n\n /**\n * When the media-element fails, this allows to detach and then re-attach it\n * as one call (convenience method).\n *\n * Automatic recovery of media-errors by this process is configurable.\n */\n recoverMediaError () {\n logger.log('recoverMediaError');\n let media = this.media;\n this.detachMedia();\n if (media) {\n this.attachMedia(media);\n }\n }\n\n /**\n * @type {QualityLevel[]}\n */\n // todo(typescript-levelController)\n get levels (): any[] {\n return this.levelController.levels;\n }\n\n /**\n * Index of quality level currently played\n * @type {number}\n */\n get currentLevel (): number {\n return this.streamController.currentLevel;\n }\n\n /**\n * Set quality level index immediately .\n * This will flush the current buffer to replace the quality asap.\n * That means playback will interrupt at least shortly to re-buffer and re-sync eventually.\n * @type {number} -1 for automatic level selection\n */\n set currentLevel (newLevel: number) {\n logger.log(`set currentLevel:${newLevel}`);\n this.loadLevel = newLevel;\n this.streamController.immediateLevelSwitch();\n }\n\n /**\n * Index of next quality level loaded as scheduled by stream controller.\n * @type {number}\n */\n get nextLevel (): number {\n return this.streamController.nextLevel;\n }\n\n /**\n * Set quality level index for next loaded data.\n * This will switch the video quality asap, without interrupting playback.\n * May abort current loading of data, and flush parts of buffer (outside currently played fragment region).\n * @type {number} -1 for automatic level selection\n */\n set nextLevel (newLevel: number) {\n logger.log(`set nextLevel:${newLevel}`);\n this.levelController.manualLevel = newLevel;\n this.streamController.nextLevelSwitch();\n }\n\n /**\n * Return the quality level of the currently or last (of none is loaded currently) segment\n * @type {number}\n */\n get loadLevel (): number {\n return this.levelController.level;\n }\n\n /**\n * Set quality level index for next loaded data in a conservative way.\n * This will switch the quality without flushing, but interrupt current loading.\n * Thus the moment when the quality switch will appear in effect will only be after the already existing buffer.\n * @type {number} newLevel -1 for automatic level selection\n */\n set loadLevel (newLevel: number) {\n logger.log(`set loadLevel:${newLevel}`);\n this.levelController.manualLevel = newLevel;\n }\n\n /**\n * get next quality level loaded\n * @type {number}\n */\n get nextLoadLevel (): number {\n return this.levelController.nextLoadLevel;\n }\n\n /**\n * Set quality level of next loaded segment in a fully \"non-destructive\" way.\n * Same as `loadLevel` but will wait for next switch (until current loading is done).\n * @type {number} level\n */\n set nextLoadLevel (level: number) {\n this.levelController.nextLoadLevel = level;\n }\n\n /**\n * Return \"first level\": like a default level, if not set,\n * falls back to index of first level referenced in manifest\n * @type {number}\n */\n get firstLevel (): number {\n return Math.max(this.levelController.firstLevel, this.minAutoLevel);\n }\n\n /**\n * Sets \"first-level\", see getter.\n * @type {number}\n */\n set firstLevel (newLevel: number) {\n logger.log(`set firstLevel:${newLevel}`);\n this.levelController.firstLevel = newLevel;\n }\n\n /**\n * Return start level (level of first fragment that will be played back)\n * if not overrided by user, first level appearing in manifest will be used as start level\n * if -1 : automatic start level selection, playback will start from level matching download bandwidth\n * (determined from download of first segment)\n * @type {number}\n */\n get startLevel (): number {\n return this.levelController.startLevel;\n }\n\n /**\n * set start level (level of first fragment that will be played back)\n * if not overrided by user, first level appearing in manifest will be used as start level\n * if -1 : automatic start level selection, playback will start from level matching download bandwidth\n * (determined from download of first segment)\n * @type {number} newLevel\n */\n set startLevel (newLevel: number) {\n logger.log(`set startLevel:${newLevel}`);\n // if not in automatic start level detection, ensure startLevel is greater than minAutoLevel\n if (newLevel !== -1) {\n newLevel = Math.max(newLevel, this.minAutoLevel);\n }\n\n this.levelController.startLevel = newLevel;\n }\n\n /**\n * set dynamically set capLevelToPlayerSize against (`CapLevelController`)\n *\n * @type {boolean}\n */\n set capLevelToPlayerSize (shouldStartCapping: boolean) {\n const newCapLevelToPlayerSize = !!shouldStartCapping;\n\n if (newCapLevelToPlayerSize !== this.config.capLevelToPlayerSize) {\n if (newCapLevelToPlayerSize) {\n this.capLevelController.startCapping(); // If capping occurs, nextLevelSwitch will happen based on size.\n } else {\n this.capLevelController.stopCapping();\n this.autoLevelCapping = -1;\n this.streamController.nextLevelSwitch(); // Now we're uncapped, get the next level asap.\n }\n\n this.config.capLevelToPlayerSize = newCapLevelToPlayerSize;\n }\n }\n\n /**\n * Capping/max level value that should be used by automatic level selection algorithm (`ABRController`)\n * @type {number}\n */\n get autoLevelCapping (): number {\n return this._autoLevelCapping;\n }\n\n /**\n * get bandwidth estimate\n * @type {number}\n */\n get bandwidthEstimate (): number {\n const bwEstimator = this.abrController._bwEstimator;\n return bwEstimator ? bwEstimator.getEstimate() : NaN;\n }\n\n /**\n * Capping/max level value that should be used by automatic level selection algorithm (`ABRController`)\n * @type {number}\n */\n set autoLevelCapping (newLevel: number) {\n logger.log(`set autoLevelCapping:${newLevel}`);\n this._autoLevelCapping = newLevel;\n }\n\n /**\n * True when automatic level selection enabled\n * @type {boolean}\n */\n get autoLevelEnabled (): boolean {\n return (this.levelController.manualLevel === -1);\n }\n\n /**\n * Level set manually (if any)\n * @type {number}\n */\n get manualLevel (): number {\n return this.levelController.manualLevel;\n }\n\n /**\n * min level selectable in auto mode according to config.minAutoBitrate\n * @type {number}\n */\n get minAutoLevel (): number {\n const { levels, config: { minAutoBitrate } } = this;\n const len = levels ? levels.length : 0;\n\n for (let i = 0; i < len; i++) {\n const levelNextBitrate = levels[i].realBitrate\n ? Math.max(levels[i].realBitrate, levels[i].bitrate)\n : levels[i].bitrate;\n\n if (levelNextBitrate > minAutoBitrate) {\n return i;\n }\n }\n\n return 0;\n }\n\n /**\n * max level selectable in auto mode according to autoLevelCapping\n * @type {number}\n */\n get maxAutoLevel (): number {\n const { levels, autoLevelCapping } = this;\n\n let maxAutoLevel;\n if (autoLevelCapping === -1 && levels && levels.length) {\n maxAutoLevel = levels.length - 1;\n } else {\n maxAutoLevel = autoLevelCapping;\n }\n\n return maxAutoLevel;\n }\n\n /**\n * next automatically selected quality level\n * @type {number}\n */\n get nextAutoLevel (): number {\n // ensure next auto level is between min and max auto level\n return Math.min(Math.max(this.abrController.nextAutoLevel, this.minAutoLevel), this.maxAutoLevel);\n }\n\n /**\n * this setter is used to force next auto level.\n * this is useful to force a switch down in auto mode:\n * in case of load error on level N, hls.js can set nextAutoLevel to N-1 for example)\n * forced value is valid for one fragment. upon succesful frag loading at forced level,\n * this value will be resetted to -1 by ABR controller.\n * @type {number}\n */\n set nextAutoLevel (nextLevel: number) {\n this.abrController.nextAutoLevel = Math.max(this.minAutoLevel, nextLevel);\n }\n\n /**\n * @type {AudioTrack[]}\n */\n // todo(typescript-audioTrackController)\n get audioTracks (): any[] {\n const audioTrackController = this.audioTrackController;\n return audioTrackController ? audioTrackController.audioTracks : [];\n }\n\n /**\n * index of the selected audio track (index in audio track lists)\n * @type {number}\n */\n get audioTrack (): number {\n const audioTrackController = this.audioTrackController;\n return audioTrackController ? audioTrackController.audioTrack : -1;\n }\n\n /**\n * selects an audio track, based on its index in audio track lists\n * @type {number}\n */\n set audioTrack (audioTrackId: number) {\n const audioTrackController = this.audioTrackController;\n if (audioTrackController) {\n audioTrackController.audioTrack = audioTrackId;\n }\n }\n\n /**\n * @type {Seconds}\n */\n get liveSyncPosition (): number {\n return this.streamController.liveSyncPosition;\n }\n\n /**\n * get alternate subtitle tracks list from playlist\n * @type {SubtitleTrack[]}\n */\n // todo(typescript-subtitleTrackController)\n get subtitleTracks (): any[] {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleTracks : [];\n }\n\n /**\n * index of the selected subtitle track (index in subtitle track lists)\n * @type {number}\n */\n get subtitleTrack (): number {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleTrack : -1;\n }\n\n /**\n * select an subtitle track, based on its index in subtitle track lists\n * @type {number}\n */\n set subtitleTrack (subtitleTrackId: number) {\n const subtitleTrackController = this.subtitleTrackController;\n if (subtitleTrackController) {\n subtitleTrackController.subtitleTrack = subtitleTrackId;\n }\n }\n\n /**\n * @type {boolean}\n */\n get subtitleDisplay (): boolean {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleDisplay : false;\n }\n\n /**\n * Enable/disable subtitle display rendering\n * @type {boolean}\n */\n set subtitleDisplay (value: boolean) {\n const subtitleTrackController = this.subtitleTrackController;\n if (subtitleTrackController) {\n subtitleTrackController.subtitleDisplay = value;\n }\n }\n}\n","import { getMediaSource } from './utils/mediasource-helper';\n\nexport function isSupported (): boolean {\n const mediaSource = getMediaSource();\n if (!mediaSource) {\n return false;\n }\n const sourceBuffer = self.SourceBuffer || (self as any).WebKitSourceBuffer as SourceBuffer;\n const isTypeSupported = mediaSource &&\n typeof mediaSource.isTypeSupported === 'function' &&\n mediaSource.isTypeSupported('video/mp4; codecs=\"avc1.42E01E,mp4a.40.2\"');\n\n // if SourceBuffer is exposed ensure its API is valid\n // safari and old version of Chrome doe not expose SourceBuffer globally so checking SourceBuffer.prototype is impossible\n const sourceBufferValidAPI = !sourceBuffer ||\n (sourceBuffer.prototype &&\n typeof sourceBuffer.prototype.appendBuffer === 'function' &&\n typeof sourceBuffer.prototype.remove === 'function');\n return !!isTypeSupported && !!sourceBufferValidAPI;\n}\n"],"sourceRoot":""} \ No newline at end of file +{"version":3,"sources":["webpack://Hls/webpack/universalModuleDefinition","webpack://Hls/webpack/bootstrap","webpack://Hls/./src/utils/logger.js","webpack://Hls/./src/events.js","webpack://Hls/./src/errors.ts","webpack://Hls/./src/polyfills/number-isFinite.js","webpack://Hls/./src/demux/id3.js","webpack://Hls/./src/utils/get-self-scope.js","webpack://Hls/./src/empty.js","webpack://Hls/./node_modules/url-toolkit/src/url-toolkit.js","webpack://Hls/./node_modules/eventemitter3/index.js","webpack://Hls/./src/crypt/aes-crypto.js","webpack://Hls/./src/crypt/fast-aes-key.js","webpack://Hls/./src/crypt/aes-decryptor.js","webpack://Hls/./src/crypt/decrypter.js","webpack://Hls/./src/demux/adts.js","webpack://Hls/./src/demux/aacdemuxer.js","webpack://Hls/./src/demux/mpegaudio.js","webpack://Hls/./src/demux/exp-golomb.js","webpack://Hls/./src/demux/sample-aes.js","webpack://Hls/./src/demux/tsdemuxer.js","webpack://Hls/./src/demux/mp3demuxer.js","webpack://Hls/./src/remux/aac-helper.js","webpack://Hls/./src/remux/mp4-generator.js","webpack://Hls/./src/utils/timescale-conversion.ts","webpack://Hls/./src/remux/mp4-remuxer.js","webpack://Hls/./src/demux/demuxer-inline.js","webpack://Hls/./src/remux/passthrough-remuxer.js","webpack://Hls/./src/demux/mp4demuxer.js","webpack://Hls/./node_modules/webworkify-webpack/index.js","webpack://Hls/./src/demux/demuxer-worker.js","webpack://Hls/./src/types/loader.ts","webpack://Hls/./src/event-handler.ts","webpack://Hls/./src/loader/fragment.ts","webpack://Hls/./src/loader/level-key.ts","webpack://Hls/./src/loader/level.js","webpack://Hls/./src/utils/attr-list.js","webpack://Hls/./src/utils/codecs.ts","webpack://Hls/./src/loader/m3u8-parser.ts","webpack://Hls/./src/loader/playlist-loader.ts","webpack://Hls/./src/loader/fragment-loader.js","webpack://Hls/./src/loader/key-loader.ts","webpack://Hls/./src/controller/fragment-tracker.js","webpack://Hls/./src/utils/binary-search.ts","webpack://Hls/./src/utils/buffer-helper.ts","webpack://Hls/./src/utils/mediasource-helper.ts","webpack://Hls/./src/observer.ts","webpack://Hls/./src/demux/demuxer.js","webpack://Hls/./src/controller/level-helper.js","webpack://Hls/./src/utils/time-ranges.ts","webpack://Hls/./src/utils/discontinuities.js","webpack://Hls/./src/controller/fragment-finders.ts","webpack://Hls/./src/controller/gap-controller.js","webpack://Hls/./src/controller/base-stream-controller.js","webpack://Hls/./src/controller/stream-controller.js","webpack://Hls/./src/task-loop.ts","webpack://Hls/./src/controller/level-controller.js","webpack://Hls/./src/utils/texttrack-utils.ts","webpack://Hls/./src/controller/id3-track-controller.js","webpack://Hls/./src/utils/ewma.ts","webpack://Hls/./src/utils/ewma-bandwidth-estimator.ts","webpack://Hls/./src/controller/abr-controller.js","webpack://Hls/./src/controller/buffer-controller.ts","webpack://Hls/./src/controller/cap-level-controller.js","webpack://Hls/./src/utils/mediakeys-helper.ts","webpack://Hls/./src/controller/fps-controller.js","webpack://Hls/./src/utils/xhr-loader.js","webpack://Hls/./src/config.ts","webpack://Hls/./src/hls.ts","webpack://Hls/./src/is-supported.ts"],"names":["root","factory","exports","module","define","amd","this","enumerable","get","getter","value","key","bind","Object","prototype","hasOwnProperty","call","object","property","noop","fakeLogger","trace","debug","log","warn","info","error","exportedLogger","formatMsg","type","msg","global","getSelfScope","consolePrintFn","func","console","args","apply","enableLogs","debugConfig","functions","forEach","exportLoggerFunctions","e","logger","HlsEvents","MEDIA_ATTACHING","MEDIA_ATTACHED","MEDIA_DETACHING","MEDIA_DETACHED","BUFFER_RESET","BUFFER_CODECS","BUFFER_CREATED","BUFFER_APPENDING","BUFFER_APPENDED","BUFFER_EOS","BUFFER_FLUSHING","BUFFER_FLUSHED","MANIFEST_LOADING","MANIFEST_LOADED","MANIFEST_PARSED","LEVEL_SWITCHING","LEVEL_SWITCHED","LEVEL_LOADING","LEVEL_LOADED","LEVEL_UPDATED","LEVEL_PTS_UPDATED","LIVE_BACK_BUFFER_REACHED","AUDIO_TRACKS_UPDATED","AUDIO_TRACK_SWITCHING","AUDIO_TRACK_SWITCHED","AUDIO_TRACK_LOADING","AUDIO_TRACK_LOADED","SUBTITLE_TRACKS_UPDATED","SUBTITLE_TRACK_SWITCH","SUBTITLE_TRACK_LOADING","SUBTITLE_TRACK_LOADED","SUBTITLE_FRAG_PROCESSED","INIT_PTS_FOUND","FRAG_LOADING","FRAG_LOAD_PROGRESS","FRAG_LOAD_EMERGENCY_ABORTED","FRAG_LOADED","FRAG_DECRYPTED","FRAG_PARSING_INIT_SEGMENT","FRAG_PARSING_USERDATA","FRAG_PARSING_METADATA","FRAG_PARSING_DATA","FRAG_PARSED","FRAG_BUFFERED","FRAG_CHANGED","FPS_DROP","FPS_DROP_LEVEL_CAPPING","ERROR","DESTROYING","KEY_LOADING","KEY_LOADED","STREAM_STATE_TRANSITION","CAN_PLAY_AFTER_SEEK","ErrorTypes","ErrorDetails","isFiniteNumber","Number","isFinite","decoder","ID3","isHeader","data","offset","length","isFooter","getID3Data","front","_readSize","subarray","size","getTimeStamp","frames","getID3Frames","i","frame","isTimeStampFrame","_readTimeStamp","_getFrameData","String","fromCharCode","id3Data","end","frameData","_decodeFrame","push","_decodePrivFrame","_decodeTextFrame","_decodeURLFrame","timeStampFrame","byteLength","Uint8Array","pts33Bit","timestamp","Math","round","owner","_utf8ArrayToStr","privateData","buffer","index","description","text","url","array","exitOnNull","getTextDecoder","decoded","decode","idx","indexOf","substring","replace","c","char2","char3","len","out","TextDecoder","utf8ArrayToStr","window","self","URL_REGEX","FIRST_SEGMENT_REGEX","SLASH_DOT_REGEX","SLASH_DOT_DOT_REGEX","URLToolkit","buildAbsoluteURL","baseURL","relativeURL","opts","trim","alwaysNormalize","basePartsForNormalise","parseURL","Error","path","normalizePath","buildURLFromParts","relativeParts","scheme","baseParts","netLoc","pathParts","exec","builtParts","params","query","fragment","baseURLPath","newPath","lastIndexOf","parts","split","reverse","join","has","prefix","Events","EE","fn","context","once","addListener","emitter","event","TypeError","listener","evt","_events","_eventsCount","clearEvent","EventEmitter","create","__proto__","eventNames","events","name","names","slice","getOwnPropertySymbols","concat","listeners","handlers","l","ee","Array","listenerCount","emit","a1","a2","a3","a4","a5","arguments","removeListener","undefined","j","on","removeAllListeners","off","prefixed","AESCrypto","subtle","iv","aesIV","decrypt","FastAESKey","expandKey","importKey","AESDecryptor","rcon","subMix","Uint32Array","invSubMix","sBox","invSBox","initTable","uint8ArrayToUint32Array_","arrayBuffer","view","DataView","newArray","getUint32","subMix0","subMix1","subMix2","subMix3","invSubMix0","invSubMix1","invSubMix2","invSubMix3","d","x","xi","sx","x2","x4","x8","t","keyBuffer","sameKey","keySize","ksRow","invKsRow","prev","ksRows","keySchedule","invKeySchedule","sbox","networkToHostOrderSwap","word","inputArrayBuffer","removePKCS7Padding","t0","t1","t2","t3","s0","s1","s2","s3","inputWords0","inputWords1","inputWords2","inputWords3","outputBytes","paddingBytes","nRounds","invSBOX","initVector","initVector0","initVector1","initVector2","initVector3","inputInt32","Int32Array","outputInt32","swapWord","getUint8","destroy","Decrypter","observer","config","logEnabled","browserCrypto","crypto","webkitSubtle","disableWebCrypto","isSync","enableSoftwareAES","callback","decryptor","fastAesKey","then","aesKey","catch","err","onWebCryptoError","result","message","trigger","Event","MEDIA_ERROR","details","FRAG_DECRYPT_ERROR","fatal","reason","isHeaderPattern","getHeaderLength","getFullFrameLength","probe","frameLength","newOffset","initTrackConfig","track","audioCodec","samplerate","adtsObjectType","adtsSampleingIndex","adtsExtensionSampleingIndex","adtsChanelConfig","userAgent","navigator","toLowerCase","manifestCodec","adtsSampleingRates","test","channelCount","codec","FRAG_PARSING_ERROR","getAudioConfig","getFrameDuration","appendFrame","pts","frameIndex","header","frameDuration","headerLength","stamp","parseFrameHeader","aacSample","unit","dts","samples","sample","AACDemuxer","remuxer","resetInitSegment","initSegment","videoCodec","duration","_audioTrack","container","id","sequenceNumber","isAAC","inputTimeScale","resetTimeStamp","ADTS","append","timeOffset","contiguous","accurateTimeOffset","id3Samples","remux","MpegAudio","BitratesMap","SamplingRateMap","SamplesCoefficients","BytesInSlot","parseHeader","samplesPerFrame","sampleRate","headerB","headerC","headerE","headerF","headerG","columnInBitrates","bitRate","columnInSampleRates","sampleCoefficient","bytesInSlot","parseInt","ExpGolomb","bytesAvailable","bitsAvailable","loadWord","position","workingBytes","availableBytes","min","set","skipBits","count","skipBytes","readBits","bits","valu","skipLZ","leadingZeroCount","skipUEG","skipEG","readUEG","clz","readEG","readBoolean","readUByte","readUShort","readUInt","skipScalingList","lastScale","nextScale","readSPS","profileIdc","numRefFramesInPicOrderCntCycle","picWidthInMbsMinus1","picHeightInMapUnitsMinus1","frameMbsOnlyFlag","scalingListCount","frameCropLeftOffset","frameCropRightOffset","frameCropTopOffset","frameCropBottomOffset","chromaFormatIdc","picOrderCntType","pixelRatio","width","ceil","height","readSliceType","SampleAesDecrypter","decryptdata","discardEPB","decrypter","decryptBuffer","encryptedData","decryptAacSample","sampleIndex","sync","curUnit","encryptedBuffer","byteOffset","localthis","decryptedData","decryptAacSamples","getAvcEncryptedData","decodedData","encryptedDataLen","floor","Int8Array","outputPos","inputPos","getAvcDecryptedUnit","decryptAvcSample","unitIndex","decryptAvcSamples","curUnits","units","RemuxerTrackIdConfig","video","audio","id3","TSDemuxer","typeSupported","sampleAes","setDecryptData","method","syncOffset","_syncOffset","scanwindow","createTrack","pid","dropped","pmtParsed","_pmtId","_avcTrack","_id3Track","_txtTrack","aacOverFlow","aacLastPTS","avcSample","_duration","start","stt","pes","unknownPIDs","avcTrack","audioTrack","id3Track","avcId","audioId","id3Id","pmtId","avcData","pesData","audioData","parsePAT","_parsePAT","parsePMT","_parsePMT","parsePES","_parsePES","parseAVCPES","_parseAVCPES","parseAACPES","_parseAACPES","parseMPEGPES","_parseMPEGPES","parseID3PES","_parseID3PES","parsedPIDs","mpeg","mp3","avc","decryptAndRemux","videoTrack","textTrack","decryptAndRemuxAvc","_initPTS","_initDTS","mpegSupported","isSampleAes","tableEnd","stream","frag","pesFlags","pesLen","pesHdrLen","pesPts","pesDts","payloadStartOffset","newData","splice","dataLen","pushAccesUnit","nbSamples","isNaN","lastSample","forceKeyFrameOnDiscontinuity","sps","last","expGolombDecoder","_parseAVCNALu","spsfound","createAVCSample","audFound","sliceType","payloadType","payloadSize","endOfCaptions","b","firstByte","totalCCs","byteArray","_insertSampleInOrder","bytes","uuidStrArray","toString","userDataPayloadBytes","uuid","userDataBytes","userData","codecarray","codecstring","h","pps","arr","pos","_getLastNalUnit","lastUnit","overflow","lastUnitType","state","naluState","lastState","lastUnitStart","tmp","newLength","EPBPositions","sourceIndex","shift","newPTS","abs","MP3Demuxer","AAC","getSilentFrame","UINT32_MAX","pow","MP4","init","types","avc1","avcC","btrt","dinf","dref","esds","ftyp","hdlr","mdat","mdhd","mdia","mfhd","minf","moof","moov","mp4a","mvex","mvhd","pasp","sdtp","stbl","stco","stsc","stsd","stsz","stts","tfdt","tfhd","traf","trak","trun","trex","tkhd","vmhd","smhd","charCodeAt","videoHdlr","audioHdlr","HDLR_TYPES","STTS","STSC","STCO","STSZ","VMHD","SMHD","STSD","majorBrand","avc1Brand","minorVersion","FTYP","box","DINF","payload","timescale","upperWordDuration","lowerWordDuration","sn","baseMediaDecodeTime","tracks","boxes","flags","dependsOn","isDependedOn","hasRedundancy","avcc","hSpacing","vSpacing","configlen","sampleDependencyTable","upperWordBaseMediaDecodeTime","lowerWordBaseMediaDecodeTime","cts","arraylen","isLeading","paddingValue","isNonSync","degradPrio","movie","toTimescaleFromBase","destScale","srcBase","toMsFromMpegTsClock","toMpegTsClockFromTimescale","srcScale","MAX_SILENT_FRAME_DURATION_90KHZ","PTS_DTS_SHIFT_TOLERANCE_90KHZ","MP4Remuxer","now","vendor","isSafari","match","ISGenerated","defaultTimeStamp","generateIS","nbAudioSamples","nbVideoSamples","audioTimeOffset","videoTimeOffset","audiovideoDeltaDts","max","audioTrackLength","remuxAudio","endPTS","startPTS","remuxVideo","videoData","remuxEmptyAudio","remuxID3","remuxText","initPTS","initDTS","audioSamples","videoSamples","computePTSDTS","Infinity","metadata","keys","mp4SampleDuration","firstPTS","firstDTS","lastPTS","lastDTS","timeScale","inputSamples","outputSamples","ptsNormalize","_PTSNormalize","nextAvcDts","sort","a","deltadts","deltapts","PTSDTSshift","reduce","curr","delta","nbNalu","naluLen","nbUnits","sampleLen","mdatSize","MUX_ERROR","REMUX_ALLOC_ERROR","setUint32","avcSampleUnits","mp4SampleLength","compositionTimeOffset","unitData","unitDataLen","lastFrameDuration","stretchShortVideoTrack","maxBufferHole","gapTolerance","deltaToFrameEnd","nextAudioPts","data1","data2","startDTS","endDTS","hasAudio","hasVideo","nb","mp4Sample","fillFrame","mp4timeScale","scaleFactor","inputSampleDuration","rawMPEG","filter","maxAudioFramesDrift","nextPts","missing","newStamp","audioSample","numMissingFrames","unitLen","lastSampleDuration","silentFrame","reference","PassThroughRemuxer","rawData","streamType","performance","Date","DemuxerInline","demuxer","discontinuity","trackSwitch","defaultInitPTS","startTime","endTime","stats","tstart","tdecrypt","pushDecrypted","muxConfig","demux","MP4Demuxer","mux","initData","parseInitSegment","audiovideo","findBox","bin2str","readUint16","val","readUint32","writeUint32","subresults","endbox","results","parseSegmentIndex","references","moovEndOffset","sidx","version","startByte","referencesCount","referenceIndex","referenceInfo","referenceSize","subsegmentDuration","earliestPresentationTime","trackId","codecBox","codecType","getStartDTS","trafs","baseTimes","map","scale","offsetStartDTS","upper","lower","webpackBootstrapFunc","modules","installedModules","__webpack_require__","moduleId","m","o","defineProperty","configurable","r","n","__esModule","p","oe","f","s","ENTRY_MODULE","default","dependencyRegExp","quoteRegExp","str","getModuleDependencies","sources","queueName","retval","fnString","wrapperSignature","webpackRequireName","re","RegExp","hasValuesInQueues","queues","hasValues","options","main","requiredModules","all","modulesQueue","seenModules","moduleToCheck","pop","newModules","newModulesKeys","getRequiredModules","src","entryModule","JSON","stringify","blob","Blob","bare","workerUrl","URL","webkitURL","mozURL","msURL","createObjectURL","worker","Worker","objectURL","DemuxerWorker","forwardMessage","ev","postMessage","addEventListener","cmd","parse","transferable","PlaylistContextType","PlaylistLevelType","FORBIDDEN_EVENT_NAMES","EventHandler","hls","handledEvents","useGenericHandler","onEvent","registerListeners","onHandlerDestroying","unregisterListeners","onHandlerDestroyed","isEventHandler","onEventGeneric","funcName","constructor","OTHER_ERROR","INTERNAL_EXCEPTION","ElementaryStreamTypes","LevelKey","baseURI","relativeURI","_uri","baseuri","reluri","Fragment","_url","_byteRange","_decryptdata","_elementaryStreams","AUDIO","VIDEO","deltaPTS","rawProgramDateTime","programDateTime","title","tagList","cc","relurl","baseurl","urlId","level","levelkey","loader","setByteRange","previousFrag","byteRange","byteRangeEndOffset","addElementaryStream","hasElementaryStream","createInitializationVector","segmentNumber","uint8View","setDecryptDataFromLevelKey","uri","Level","baseUrl","endCC","endSN","fragments","live","needSidxRanges","startCC","startSN","startTimeOffset","targetduration","totalduration","DECIMAL_RESOLUTION_REGEX","ATTR_LIST_REGEX","AttrList","attrs","attr","parseAttrList","decimalInteger","attrName","intValue","MAX_SAFE_INTEGER","hexadecimalInteger","stringValue","hexadecimalIntegerAsNumber","decimalFloatingPoint","parseFloat","enumeratedString","decimalResolution","res","input","lastIndex","sampleEntryCodesISO","isCodecSupportedInMp4","MediaSource","isTypeSupported","MASTER_PLAYLIST_REGEX","MASTER_PLAYLIST_MEDIA_REGEX","LEVEL_PLAYLIST_REGEX_FAST","source","LEVEL_PLAYLIST_REGEX_SLOW","MP4_REGEX_SUFFIX","M3U8Parser","findGroup","groups","mediaGroupId","group","convertAVC1ToAVCOTI","avcdata","substr","resolve","parseMasterPlaylist","string","levels","setCodecs","codecs","filtered","typeCodes","isCodecType","preferred","unknownCodecs","resolution","bitrate","NAME","CODECS","parseMasterPlaylistMedia","audioGroups","medias","TYPE","media","groupId","LANGUAGE","DEFAULT","autoselect","AUTOSELECT","forced","FORCED","lang","URI","groupCodec","parseLevelPlaylist","levelUrlId","currentSN","discontinuityCounter","prevFrag","firstPdtIndex","assignProgramDateTime","value1","value2","toUpperCase","keyAttrs","decryptmethod","decrypturi","decryptiv","mapAttrs","BYTERANGE","averagetargetduration","every","startIndex","fragPrev","backfillProgramDateTimes","endProgramDateTime","PlaylistLoader","loaders","canHaveQualityLevels","AUDIO_TRACK","SUBTITLE_TRACK","mapContextToLevelType","SUBTITLE","MAIN","getResponseUrl","response","createInternalLoader","PLoader","pLoader","Loader","getInternalLoader","resetInternalLoader","contextType","destroyInternalLoaders","onManifestLoading","load","MANIFEST","responseType","onLevelLoading","LEVEL","onAudioTrackLoading","onSubtitleTrackLoading","maxRetry","timeout","retryDelay","maxRetryDelay","loaderContext","abort","manifestLoadingMaxRetry","manifestLoadingTimeOut","manifestLoadingRetryDelay","manifestLoadingMaxRetryTimeout","levelLoadingTimeOut","levelLoadingMaxRetry","levelLoadingRetryDelay","levelLoadingMaxRetryTimeout","loaderConfig","loaderCallbacks","onSuccess","loadsuccess","onError","loaderror","onTimeout","loadtimeout","networkDetails","isSidxRequest","_handleSidxRequest","_handlePlaylistLoaded","tload","_handleTrackOrLevelPlaylist","_handleMasterPlaylist","_handleManifestParsingError","_handleNetworkError","audioTracks","subtitles","embeddedAudioFound","unshift","levelId","levelType","levelDetails","singleLevel","tparsed","sidxUrl","rangeStart","rangeEnd","sidxInfo","sidxReferences","segmentRef","segRefInfo","NETWORK_ERROR","MANIFEST_PARSING_ERROR","MANIFEST_LOAD_TIMEOUT","MANIFEST_LOAD_ERROR","LEVEL_LOAD_TIMEOUT","LEVEL_LOAD_ERROR","AUDIO_TRACK_LOAD_TIMEOUT","AUDIO_TRACK_LOAD_ERROR","errorData","FragmentLoader","loaderName","onFragLoading","FragmentILoader","fLoader","DefaultILoader","loaded","progressData","byteRangeStartOffset","fragLoadingTimeOut","fragLoadingMaxRetryTimeout","onProgress","loadprogress","FRAG_LOAD_ERROR","FRAG_LOAD_TIMEOUT","KeyLoader","decryptkey","decrypturl","onKeyLoading","fragLoadingRetryDelay","KEY_LOAD_ERROR","KEY_LOAD_TIMEOUT","FragmentState","FragmentTracker","bufferPadding","timeRanges","getBufferedFrag","bufferedFrags","fragmentEntity","body","buffered","bufferedFragKey","detectEvictedFragments","elementaryStream","timeRange","fragmentTimes","time","esData","range","isTimeBuffered","removeFragment","detectPartialFragments","fragKey","getFragmentKey","getBufferedTimes","fragmentPartial","partial","getPartialFragment","timePadding","bestFragment","bestOverlap","isPartial","getState","onFragLoaded","bitrateTest","onBufferAppended","onFragBuffered","hasFragment","removeAllFragments","BinarySearch","search","list","comparisonFn","minIndex","maxIndex","currentIndex","currentElement","comparisonResult","BufferHelper","isBuffered","bufferInfo","maxHoleDuration","vbuffered","bufferedInfo","nextStart","diff","buffered2","buf2len","buf2end","bufferStartNext","bufferLen","bufferStart","bufferEnd","getBufferedPosWithinTolerance","maxFragLookUpTolerance","currentTime","getMediaSource","WebKitMediaSource","Observer","Demuxer","mp4","enableWorker","w","work","onwmsg","onWorkerMessage","onerror","filename","lineno","revokeObjectURL","removeEventListener","terminate","lastFrag","nextSN","ArrayBuffer","addGroupId","audioGroupIds","textGroupIds","updatePTS","fromIdx","toIdx","fragFrom","fragTo","fragToPTS","updateFragPTSDTS","maxStartPTS","drift","fragIdx","PTSKnown","mapFragmentIntersection","oldPlaylist","newPlaylist","intersectionFn","oldFrag","newFrag","TimeRanges","toFixed","adjustPts","sliding","alignStream","lastLevel","shouldAlign","shouldAlignOnDiscontinuities","referenceFrag","prevDetails","curDetails","prevFrags","curFrags","prevStartFrag","firstFrag","currentFrag","findFirstFragWithCC","findDiscontinuousReferenceFrag","alignDiscontinuities","lastDetails","hasProgramDateTime","lastPDT","alignPDT","fragmentWithinToleranceTest","candidate","candidateLookupTolerance","pdtWithinToleranceTest","pdtBufferEnd","GapController","fragmentTracker","nudgeRetry","stallReported","stalled","moved","seeking","poll","lastCurrentTime","seeked","beginSeek","seekWithinTolerance","seekWithinToleranceIfNeeded","paused","ended","playbackRate","startJump","_trySkipBufferHole","tnow","stalledDuration","_reportStall","bufferedWithHoles","_tryFixBufferStall","bufferedPosWithinTolerance","stalledDurationMs","highBufferWatchdogPeriod","_tryNudgeBuffer","BUFFER_STALLED_ERROR","lastEndTime","targetTime","BUFFER_SEEK_OVER_HOLE","nudgeMaxRetry","nudgeOffset","BUFFER_NUDGE_ON_STALL","State","StreamController","audioCodecSwap","_state","gapController","altAudio","startLoad","startPosition","stopLoad","setInterval","fragLoadError","startFragRequested","startLevel","nextLoadLevel","loadedmetadata","nextLoadPosition","tick","forceStartLoad","doTick","_doTickIdle","retryDate","_checkBuffer","_checkFragmentChanged","levelLastLoaded","startFragPrefetch","levelInfo","maxBufLen","levelBitrate","maxBufferSize","maxBufferLength","maxMaxBufferLength","mediaBuffer","_streamEnded","_fetchPayloadOrEos","fragPrevious","fragLen","initialLiveManifestSize","_ensureFragmentAtLivePoint","_findFragment","encrypted","_loadKey","_loadFragment","maxLatency","liveMaxLatencyDuration","liveMaxLatencyDurationCount","liveSyncPosition","computeLivePosition","readyState","PDTValue","isArray","seg","findFragmentByPDT","targetSN","fragNext","fragPreviousLoad","fragmentIndexRange","fragNextLoad","findFragmentByPTS","curSNIdx","sameLevel","prevSnFrag","nextSnFrag","backtracked","fragState","fragCurrent","autoLevel","autoLevelEnabled","_reduceMaxBufferLength","followingBufferedFrag","fragPlayingCurrent","fragPlaying","fragPlayingLevel","immediateLevelSwitch","immediateSwitch","previouslyPaused","pause","flushMainBuffer","POSITIVE_INFINITY","immediateLevelSwitchEnd","play","nextLevelSwitch","fetchdelay","nextBufferedFrag","nextLevelId","nextLevel","fragLastKbps","startOffset","endOffset","flushScope","onMediaAttached","onvseeking","onMediaSeeking","onvseeked","onMediaSeeked","onvended","onMediaEnded","autoStartLoad","onMediaDetaching","onManifestParsed","aac","heaac","audioCodecSwitch","onLevelLoaded","newDetails","newLevelId","curLevel","oldDetails","PTSFrag","ccOffset","newFragments","oldFragments","adjustSliding","LevelHelper","onKeyLoaded","fragLoaded","currentLevel","tbuffered","pendingBuffering","appended","initSegmentData","_getAudioCodec","onFragParsingInitSegment","fragNew","trackName","ua","levelCodec","parent","content","onFragParsingData","onFragParsed","_checkAppendedParsed","onAudioTrackSwitching","onAudioTrackSwitched","videoBuffer","onBufferCreated","mediaTrack","alternate","pending","total","tfirst","mediaBuffered","fragLoadingMaxRetry","delay","levelRetry","BUFFER_FULL_ERROR","minLength","_seekToStartPos","onFragLoadEmergencyAborted","onBufferFlushed","swapAudioCodec","defaultAudioCodec","nextState","previousState","_liveSyncPosition","clearInterval","clearNextTick","tolerance","fragStartOffset","fragEndOffset","targetLatency","liveSyncDuration","liveSyncDurationCount","_boundTick","_tickTimer","_tickInterval","_tickCallCount","hasInterval","hasNextTick","millis","clearTimeout","setTimeout","chromeOrFirefox","LevelController","canload","currentLevelIndex","manualLevelIndex","timer","clearTimer","_levels","levelRetryCount","loadError","loadLevel","onManifestLoaded","bitrateStart","levelSet","levelFromSet","videoCodecFound","audioCodecFound","attributes","fragmentError","SUBTITLES","_firstLevel","firstLevel","some","MANIFEST_INCOMPATIBLE_CODECS_ERROR","setLevelInternal","newLevel","levelProperties","LEVEL_SWITCH_ERROR","levelIndex","levelError","recoverLevel","errorEvent","redundantLevels","errorDetails","nextAutoLevel","reloadInterval","currentPlaylist","lastRequestTime","minReloadInterval","computeReloadInterval","trequest","audioGroupId","levelObject","_startLevel","configStartLevel","sendAddTrackEvent","videoEl","document","createEvent","initEvent","dispatchEvent","getClosestCue","cues","left","right","mid","ID3TrackController","removeCue","clearCurrentCues","getID3Track","textTracks","kind","label","addTextTrack","onLiveBackBufferReached","foundCue","removeCues","cue","onFragParsingMetadata","mode","Cue","WebKitDataCue","VTTCue","TextTrackCue","addCue","EWMA","halfLife","alpha_","estimate_","totalWeight_","exp","weight","adjAlpha","getTotalWeight","getEstimate","zeroFactor","EwmaBandWidthEstimator","slow","fast","defaultEstimate","defaultEstimate_","minWeight_","minDelayMs_","slow_","fast_","durationMs","numBytes","durationS","bandwidthInBps","canEstimate","AbrController","lastLoadedFragLevel","_nextAutoLevel","_bwEstimator","onCheck","_abandonRulesCheck","ewmaFast","ewmaSlow","abrEwmaFastLive","abrEwmaSlowLive","abrEwmaFastVoD","abrEwmaSlowVoD","abrEwmaDefaultEstimate","minAutoLevel","aborted","requestDelay","loadRate","bw","realBitrate","expectedLen","fragLoadedDelay","bufferStarvationDelay","levelNextBitrate","fragLevelNextLoadedDelay","abrMaxWithRealBitrate","loadedBytes","loadedDuration","fragLoadingProcessingMs","bwEstimate","bitrateTestDelay","_findBestLevel","currentFragDuration","currentBw","maxAutoLevel","maxFetchDuration","bwFactor","bwUpFactor","avgDuration","adjustedbw","fetchDuration","forcedAutoLevel","bwEstimator","nextABRAutoLevel","_nextABRAutoLevel","avgbw","bestLevel","abrBandWidthFactor","abrBandWidthUpFactor","maxStarvationDelay","maxLoadingDelay","BufferController","_msDuration","_levelDuration","_levelTargetDuration","_live","_objectUrl","_needsFlush","_needsEos","audioTimestampOffset","bufferCodecEventsExpected","_bufferCodecEventsTotal","mediaSource","segments","appending","appendError","flushBufferCounter","pendingTracks","sourceBuffer","flushRange","_onMediaSourceOpen","checkPendingTracks","_onMediaSourceClose","_onMediaSourceEnded","_onSBUpdateEnd","audioBuffer","timestampOffset","doFlush","checkEos","counter","segment","sbSet","sb","doAppending","updateMediaElementDuration","flushLiveBackBuffer","_onSBUpdateError","BUFFER_APPENDING_ERROR","onLevelPtsUpdated","updating","onMediaAttaching","ms","endOfStream","removeAttribute","pendingTracksCount","createSourceBuffers","onBufferReset","removeSourceBuffer","onBufferCodecs","mimeType","addSourceBuffer","BUFFER_ADD_CODEC_ERROR","onBufferAppending","onBufferEos","onBufferFlushing","liveBackBufferLength","bufferTypes","targetBackBufferPosition","bufferType","removeBufferRange","onLevelUpdated","liveDurationInfinity","flushBuffer","appendBuffer","code","BUFFER_APPEND_ERROR","appendErrorMaxRetry","sbType","bufStart","bufEnd","removeStart","removeEnd","remove","CapLevelController","autoLevelCapping","restrictedLevels","capLevelToPlayerSize","stopCapping","onFpsDropLevelCapping","isLevelAllowed","droppedLevel","HTMLVideoElement","startCapping","onLevelsUpdated","detectPlayerSize","levelsLength","getMaxLevel","streamController","capLevelIndex","validLevels","getMaxLevelByMediaSize","mediaWidth","mediaHeight","maxLevelIndex","devicePixelRatio","clientWidth","offsetWidth","contentScaleFactor","clientHeight","offsetHeight","KeySystems","FPSController","isVideoPlaybackQualityAvailable","capLevelOnFPSDrop","getVideoPlaybackQuality","checkFPSInterval","fpsDroppedMonitoringPeriod","checkFPS","decodedFrames","droppedFrames","lastTime","currentPeriod","currentDropped","lastDroppedFrames","currentDecoded","lastDecodedFrames","droppedFPS","totalDroppedFrames","fpsDroppedMonitoringThreshold","videoPlaybackQuality","totalVideoFrames","droppedVideoFrames","webkitDecodedFrameCount","webkitDroppedFrameCount","XMLHttpRequest","XhrLoader","xhrSetup","requestTimeout","retryTimeout","callbacks","retry","loadInternal","xhr","open","status","setRequestHeader","onreadystatechange","readystatechange","onprogress","send","currentTarget","responseText","responseURL","statusText","lengthComputable","hlsDefaultConfig","lowBufferWatchdogPeriod","licenseXhrSetup","abrController","bufferController","capLevelController","fpsController","minAutoBitrate","emeEnabled","widevineLicenseUrl","requestMediaKeySystemAccessFunc","requestMediaKeySystemAccess","subtitleStreamController","subtitleTrackController","timelineController","audioStreamController","audioTrackController","emeController","Hls","userConfig","_autoLevelCapping","levelController","networkControllers","coreComponents","defaultConfig","DefaultConfig","playListLoader","fragmentLoader","keyLoader","id3TrackController","Controller","isSupported","SourceBuffer","WebKitSourceBuffer","sourceBufferValidAPI","detachMedia","component","attachMedia","loadSource","location","href","controller","recoverMediaError","manualLevel","shouldStartCapping","newCapLevelToPlayerSize","NaN","audioTrackId","subtitleTracks","subtitleTrack","subtitleTrackId","subtitleDisplay"],"mappings":"4BAAA,SAA2CA,EAAMC,GAC1B,iBAAZC,SAA0C,iBAAXC,OACxCA,OAAOD,QAAUD,IACQ,mBAAXG,QAAyBA,OAAOC,IAC9CD,OAAO,GAAIH,GACe,iBAAZC,QACdA,QAAa,IAAID,IAEjBD,EAAU,IAAIC,IARhB,CASGK,MAAM,WACT,O,YCTA,SAGA,cAGA,QACA,oBAGA,YACA,IACA,KACA,YAUA,OANA,mCAGA,OAGA,UA0DA,OArDA,MAGA,MAGA,oBACA,UACA,2BAA2CC,YAAY,EAAMC,IAAKC,KAKlE,gBACA,gDACA,4CAAyDC,MAAO,WAEhE,sCAAkDA,OAAO,KAQzD,kBAEA,GADA,cACA,aACA,qDACA,0BAGA,GAFA,OACA,mCAA0CH,YAAY,EAAMG,MAAOA,IACnE,2DAAiH,OAAOA,EAAMC,IAAQC,KAAK,KAAMD,IACjJ,UAIA,gBACA,sBACA,WAA4B,OAAOR,EAAgB,SACnD,WAAkC,OAAOA,GAEzC,OADA,aACA,GAIA,kBAAuD,OAAOU,OAAOC,UAAUC,eAAeC,KAAKC,EAAQC,IAG3G,aAIA,U,+BClFA,+EAEA,SAASC,KAET,IAAMC,EAAa,CACjBC,MAAOF,EACPG,MAAOH,EACPI,IAAKJ,EACLK,KAAML,EACNM,KAAMN,EACNO,MAAOP,GAGLQ,EAAiBP,EAWrB,SAASQ,EAAWC,EAAMC,GAExB,OADAA,EAAM,IAAMD,EAAO,OAASC,EAI9B,IAAMC,EAASC,cAEf,SAASC,EAAgBJ,GACvB,IAAMK,EAAOH,EAAOI,QAAQN,GAC5B,OAAIK,EACK,WAAmB,2BAANE,EAAM,yBAANA,EAAM,gBACpBA,EAAK,KACPA,EAAK,GAAKR,EAAUC,EAAMO,EAAK,KAGjCF,EAAKG,MAAMN,EAAOI,QAASC,IAGxBjB,EASF,IAAMmB,EAAa,SAAUC,GAElC,GAAKR,EAAOI,UAA2B,IAAhBI,GAAgD,iBAAhBA,EAA0B,EARnF,SAAgCA,GAA2B,2BAAXC,EAAW,iCAAXA,EAAW,kBACzDA,EAAUC,SAAQ,SAAUZ,GAC1BF,EAAeE,GAAQU,EAAYV,GAAQU,EAAYV,GAAMjB,KAAK2B,GAAeN,EAAeJ,MAOhGa,CAAsBH,EAGpB,QACA,MACA,OACA,OACA,SAIF,IACEZ,EAAeJ,MACf,MAAOoB,GACPhB,EAAiBP,QAGnBO,EAAiBP,GAIRwB,EAASjB,G,mCCvEhBkB,IAAS,GAEbC,gBAAiB,oBAEjBC,eAAgB,mBAEhBC,gBAAiB,oBAEjBC,eAAgB,mBAEhBC,aAAc,iBAEdC,cAAe,kBAEfC,eAAgB,mBAEhBC,iBAAkB,qBAElBC,gBAAiB,oBAEjBC,WAAY,eAEZC,gBAAiB,oBAEjBC,eAAgB,mBAEhBC,iBAAkB,qBAElBC,gBAAiB,oBAEjBC,gBAAiB,oBAEjBC,gBAAiB,oBAEjBC,eAAgB,mBAEhBC,cAAe,kBAEfC,aAAc,iBAEdC,cAAe,kBAEfC,kBAAmB,qBAEnBC,yBAA0B,2BAE1BC,qBAAsB,wBAEtBC,sBAAuB,yBAEvBC,qBAAsB,wBAEtBC,oBAAqB,uBAErBC,mBAAoB,sBAEpBC,wBAAyB,2BAEzBC,sBAAuB,yBAEvBC,uBAAwB,0BAExBC,sBAAuB,yBAEvBC,wBAAyB,2BAEzBC,eAAgB,kBAEhBC,aAAc,iBAEdC,mBAAoB,sBAEpBC,4BAA6B,8BAE7BC,YAAa,gBAEbC,eAAgB,mBAEhBC,0BAA2B,4BAE3BC,sBAAuB,yBAEvBC,sBAAuB,yBAEvBC,kBAAmB,qBAEnBC,YAAa,gBAEbC,cAAe,kBAEfC,aAAc,iBAEdC,SAAU,aAEVC,uBAAwB,yBAExBC,MAAO,WAEPC,WAAY,gBAEZC,YAAa,gBAEbC,WAAY,eAEZC,wBAAyB,6BAxGZ,yBA0Ga,2BA1Gb,EA4GbC,oBAAqB,sBA5GR,GA+GArD,O,6BCnHR,IAAKsD,EAiBAC,EAjBZ,oE,SAAYD,K,6BAAAA,E,yBAAAA,E,kCAAAA,E,qBAAAA,E,0BAAAA,M,cAiBAC,K,qCAAAA,E,yCAAAA,E,2CAAAA,E,kEAAAA,E,8CAAAA,E,wCAAAA,E,4CAAAA,E,8CAAAA,E,qEAAAA,E,kCAAAA,E,sCAAAA,E,sCAAAA,E,6CAAAA,E,iDAAAA,E,gCAAAA,E,oCAAAA,E,sCAAAA,E,sCAAAA,E,oCAAAA,E,8BAAAA,E,kCAAAA,E,6CAAAA,E,wCAAAA,E,8CAAAA,E,0CAAAA,E,oCAAAA,E,2CAAAA,E,2CAAAA,E,wCAAAA,M,mCCjBZ,kCAAO,IAAMC,EAAiBC,OAAOC,UAAY,SAAU7F,GACzD,MAAwB,iBAAVA,GAAsB6F,SAAS7F,K,6BCD/C,sCA+VI8F,EA/VJ,OAKMC,E,kCAOGC,SAAP,SAAiBC,EAAMC,GAcrB,OAAIA,EAAS,IAAMD,EAAKE,QAED,KAAjBF,EAAKC,IAAyC,KAArBD,EAAKC,EAAS,IAAoC,KAArBD,EAAKC,EAAS,IAElED,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAE5CD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,K,EAgBzGE,SAAP,SAAiBH,EAAMC,GAIrB,OAAIA,EAAS,IAAMD,EAAKE,QAED,KAAjBF,EAAKC,IAAyC,KAArBD,EAAKC,EAAS,IAAoC,KAArBD,EAAKC,EAAS,IAElED,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAE5CD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,K,EAgBzGG,WAAP,SAAmBJ,EAAMC,GAIvB,IAHA,IAAMI,EAAQJ,EACVC,EAAS,EAENJ,EAAIC,SAASC,EAAMC,IAAS,CAEjCC,GAAU,GAGVA,GADaJ,EAAIQ,UAAUN,EAAMC,EAAS,GAGtCH,EAAIK,SAASH,EAAMC,EAAS,MAE9BC,GAAU,IAGZD,GAAUC,EAGZ,GAAIA,EAAS,EACX,OAAOF,EAAKO,SAASF,EAAOA,EAAQH,I,EAMjCI,UAAP,SAAkBN,EAAMC,GACtB,IAAIO,EAAO,EAKX,OAJAA,GAAwB,IAAfR,EAAKC,KAAmB,GACjCO,IAA6B,IAAnBR,EAAKC,EAAS,KAAc,GACtCO,IAA6B,IAAnBR,EAAKC,EAAS,KAAc,EACtCO,GAA4B,IAAnBR,EAAKC,EAAS,I,EASlBQ,aAAP,SAAqBT,GAEnB,IADA,IAAMU,EAASZ,EAAIa,aAAaX,GACvBY,EAAI,EAAGA,EAAIF,EAAOR,OAAQU,IAAK,CACtC,IAAMC,EAAQH,EAAOE,GACrB,GAAId,EAAIgB,iBAAiBD,GACvB,OAAOf,EAAIiB,eAAeF,K,EAWzBC,iBAAP,SAAyBD,GACvB,OAAQA,GAAuB,SAAdA,EAAM7G,KAAiC,iDAAf6G,EAAM/F,M,EAG1CkG,cAAP,SAAsBhB,GAMpB,IAAM9E,EAAO+F,OAAOC,aAAalB,EAAK,GAAIA,EAAK,GAAIA,EAAK,GAAIA,EAAK,IAC3DQ,EAAOV,EAAIQ,UAAUN,EAAM,GAKjC,MAAO,CAAE9E,OAAMsF,OAAMR,KAAMA,EAAKO,SAFnB,MAE6CC,K,EAQrDG,aAAP,SAAqBQ,GAInB,IAHA,IAAIlB,EAAS,EACPS,EAAS,GAERZ,EAAIC,SAASoB,EAASlB,IAAS,CAMpC,IALA,IAAMO,EAAOV,EAAIQ,UAAUa,EAASlB,EAAS,GAGvCmB,GADNnB,GAAU,IACWO,EAEdP,EAAS,EAAImB,GAAK,CACvB,IAAMC,EAAYvB,EAAIkB,cAAcG,EAAQZ,SAASN,IAC/CY,EAAQf,EAAIwB,aAAaD,GAC3BR,GACFH,EAAOa,KAAKV,GAIdZ,GAAUoB,EAAUb,KAAO,GAGzBV,EAAIK,SAASgB,EAASlB,KACxBA,GAAU,IAId,OAAOS,G,EAGFY,aAAP,SAAqBT,GACnB,MAAmB,SAAfA,EAAM3F,KACD4E,EAAI0B,iBAAiBX,GACD,MAAlBA,EAAM3F,KAAK,GACb4E,EAAI2B,iBAAiBZ,GACD,MAAlBA,EAAM3F,KAAK,GACb4E,EAAI4B,gBAAgBb,QADtB,G,EAOFE,eAAP,SAAuBY,GACrB,GAAuC,IAAnCA,EAAe3B,KAAK4B,WAAkB,CACxC,IAAM5B,EAAO,IAAI6B,WAAWF,EAAe3B,MAGrC8B,EAAqB,EAAV9B,EAAK,GAClB+B,GAAa/B,EAAK,IAAM,KACXA,EAAK,IAAM,KACXA,EAAK,IAAM,GACXA,EAAK,GAOtB,OANA+B,GAAa,GAETD,IACFC,GAAa,aAGRC,KAAKC,MAAMF,K,EAMfP,iBAAP,SAAyBX,GAIvB,KAAIA,EAAML,KAAO,GAAjB,CAIA,IAAM0B,EAAQpC,EAAIqC,gBAAgBtB,EAAMb,MAAM,GACxCoC,EAAc,IAAIP,WAAWhB,EAAMb,KAAKO,SAAS2B,EAAMhC,OAAS,IAEtE,MAAO,CAAElG,IAAK6G,EAAM3F,KAAMJ,KAAMoH,EAAOlC,KAAMoC,EAAYC,U,EAGpDZ,iBAAP,SAAyBZ,GACvB,KAAIA,EAAML,KAAO,GAAjB,CAIA,GAAmB,SAAfK,EAAM3F,KAAiB,CAMzB,IAAIoH,EAAQ,EACNC,EAAczC,EAAIqC,gBAAgBtB,EAAMb,KAAKO,SAAS+B,IAAQ,GAEpEA,GAASC,EAAYrC,OAAS,EAC9B,IAAMnG,EAAQ+F,EAAIqC,gBAAgBtB,EAAMb,KAAKO,SAAS+B,IAEtD,MAAO,CAAEtI,IAAK6G,EAAM3F,KAAMJ,KAAMyH,EAAavC,KAAMjG,GAOnD,IAAMyI,EAAO1C,EAAIqC,gBAAgBtB,EAAMb,KAAKO,SAAS,IACrD,MAAO,CAAEvG,IAAK6G,EAAM3F,KAAM8E,KAAMwC,K,EAI7Bd,gBAAP,SAAwBb,GACtB,GAAmB,SAAfA,EAAM3F,KAAiB,CAMzB,GAAI2F,EAAML,KAAO,EACf,OAGF,IAAI8B,EAAQ,EACNC,EAAczC,EAAIqC,gBAAgBtB,EAAMb,KAAKO,SAAS+B,IAE5DA,GAASC,EAAYrC,OAAS,EAC9B,IAAMnG,EAAQ+F,EAAIqC,gBAAgBtB,EAAMb,KAAKO,SAAS+B,IAEtD,MAAO,CAAEtI,IAAK6G,EAAM3F,KAAMJ,KAAMyH,EAAavC,KAAMjG,GAMnD,IAAM0I,EAAM3C,EAAIqC,gBAAgBtB,EAAMb,MACtC,MAAO,CAAEhG,IAAK6G,EAAM3F,KAAM8E,KAAMyC,I,EAa7BN,gBAAP,SAAwBO,EAAOC,QAAoB,IAApBA,OAAa,GAC1C,IAAM9C,EAAU+C,IAChB,GAAI/C,EAAS,CACX,IAAMgD,EAAUhD,EAAQiD,OAAOJ,GAE/B,GAAIC,EAAY,CAEd,IAAMI,EAAMF,EAAQG,QAAQ,MAC5B,OAAgB,IAATD,EAAaF,EAAQI,UAAU,EAAGF,GAAOF,EAIlD,OAAOA,EAAQK,QAAQ,MAAO,IAShC,IANA,IACIC,EACAC,EACAC,EAHEC,EAAMZ,EAAMxC,OAIdqD,EAAM,GACN3C,EAAI,EACDA,EAAI0C,GAAK,CAEd,GAAU,KADVH,EAAIT,EAAM9B,OACQ+B,EAChB,OAAOY,EACF,GAAU,IAANJ,GAAoB,IAANA,EAIzB,OAAQA,GAAK,GACb,KAAK,EAAG,KAAK,EAAG,KAAK,EAAG,KAAK,EAAG,KAAK,EAAG,KAAK,EAAG,KAAK,EAAG,KAAK,EAE3DI,GAAOtC,OAAOC,aAAaiC,GAC3B,MACF,KAAK,GAAI,KAAK,GAEZC,EAAQV,EAAM9B,KACd2C,GAAOtC,OAAOC,cAAmB,GAAJiC,IAAa,EAAc,GAARC,GAChD,MACF,KAAK,GAEHA,EAAQV,EAAM9B,KACdyC,EAAQX,EAAM9B,KACd2C,GAAOtC,OAAOC,cAAmB,GAAJiC,IAAa,IACpB,GAARC,IAAiB,GACT,GAARC,IAAiB,IAKnC,OAAOE,G,KAMX,SAASX,IACP,IAAMxH,EAASC,cAKf,OAJKwE,QAAyC,IAAvBzE,EAAOoI,cAC5B3D,EAAU,IAAIzE,EAAOoI,YAAY,UAG5B3D,EAGT,IAAM4D,EAAiB3D,EAAIqC,gBAEZrC,O,6BC5WR,SAASzE,IAEd,MAAsB,oBAAXqI,OAEFC,KAEAD,OANX,mC,cCEAlK,EAAOD,aAAU,G,gBCCjB,IAGMqK,EACAC,EACAC,EACAC,EAEAC,EALAJ,EAAY,yFACZC,EAAsB,mBACtBC,EAAkB,oBAClBC,EAAsB,qCAEtBC,EAAa,CAOfC,iBAAkB,SAASC,EAASC,EAAaC,GAK/C,GAJAA,EAAOA,GAAQ,GAEfF,EAAUA,EAAQG,SAClBF,EAAcA,EAAYE,QACR,CAIhB,IAAKD,EAAKE,gBACR,OAAOJ,EAET,IAAIK,EAAwBP,EAAWQ,SAASN,GAChD,IAAKK,EACH,MAAM,IAAIE,MAAM,mCAGlB,OADAF,EAAsBG,KAAOV,EAAWW,cAAcJ,EAAsBG,MACrEV,EAAWY,kBAAkBL,GAEtC,IAAIM,EAAgBb,EAAWQ,SAASL,GACxC,IAAKU,EACH,MAAM,IAAIJ,MAAM,uCAElB,GAAII,EAAcC,OAGhB,OAAKV,EAAKE,iBAGVO,EAAcH,KAAOV,EAAWW,cAAcE,EAAcH,MACrDV,EAAWY,kBAAkBC,IAH3BV,EAKX,IAAIY,EAAYf,EAAWQ,SAASN,GACpC,IAAKa,EACH,MAAM,IAAIN,MAAM,mCAElB,IAAKM,EAAUC,QAAUD,EAAUL,MAA8B,MAAtBK,EAAUL,KAAK,GAAY,CAGpE,IAAIO,EAAYpB,EAAoBqB,KAAKH,EAAUL,MACnDK,EAAUC,OAASC,EAAU,GAC7BF,EAAUL,KAAOO,EAAU,GAEzBF,EAAUC,SAAWD,EAAUL,OACjCK,EAAUL,KAAO,KAEnB,IAAIS,EAAa,CAGfL,OAAQC,EAAUD,OAClBE,OAAQH,EAAcG,OACtBN,KAAM,KACNU,OAAQP,EAAcO,OACtBC,MAAOR,EAAcQ,MACrBC,SAAUT,EAAcS,UAE1B,IAAKT,EAAcG,SAIjBG,EAAWH,OAASD,EAAUC,OAGA,MAA1BH,EAAcH,KAAK,IACrB,GAAKG,EAAcH,KAgBZ,CAKL,IAAIa,EAAcR,EAAUL,KACxBc,EAAUD,EAAYtC,UAAU,EAAGsC,EAAYE,YAAY,KAAO,GAAKZ,EAAcH,KACzFS,EAAWT,KAAOV,EAAWW,cAAca,QApB3CL,EAAWT,KAAOK,EAAUL,KAIvBG,EAAcO,SACjBD,EAAWC,OAASL,EAAUK,OAIzBP,EAAcQ,QACjBF,EAAWE,MAAQN,EAAUM,QAiBvC,OAHwB,OAApBF,EAAWT,OACbS,EAAWT,KAAON,EAAKE,gBAAkBN,EAAWW,cAAcE,EAAcH,MAAQG,EAAcH,MAEjGV,EAAWY,kBAAkBO,IAEtCX,SAAU,SAAS/B,GACjB,IAAIiD,EAAQ9B,EAAUsB,KAAKzC,GAC3B,OAAKiD,EAGE,CACLZ,OAAQY,EAAM,IAAM,GACpBV,OAAQU,EAAM,IAAM,GACpBhB,KAAMgB,EAAM,IAAM,GAClBN,OAAQM,EAAM,IAAM,GACpBL,MAAOK,EAAM,IAAM,GACnBJ,SAAUI,EAAM,IAAM,IARf,MAWXf,cAAe,SAASD,GAgBtB,IATAA,EAAOA,EAAKiB,MAAM,IAAIC,UAAUC,KAAK,IAAI3C,QAAQY,EAAiB,IAS3DY,EAAKxE,UAAYwE,EAAOA,EAAKxB,QAAQa,EAAqB,KAAK7D,SACtE,OAAOwE,EAAKiB,MAAM,IAAIC,UAAUC,KAAK,KAEvCjB,kBAAmB,SAASc,GAC1B,OAAOA,EAAMZ,OAASY,EAAMV,OAASU,EAAMhB,KAAOgB,EAAMN,OAASM,EAAML,MAAQK,EAAMJ,WAMvF9L,EAAOD,QAAUyK,G,6BCxJrB,IAAI8B,EAAM5L,OAAOC,UAAUC,eACvB2L,EAAS,IASb,SAASC,KA4BT,SAASC,EAAGC,EAAIC,EAASC,GACvBzM,KAAKuM,GAAKA,EACVvM,KAAKwM,QAAUA,EACfxM,KAAKyM,KAAOA,IAAQ,EActB,SAASC,EAAYC,EAASC,EAAOL,EAAIC,EAASC,GAChD,GAAkB,mBAAPF,EACT,MAAM,IAAIM,UAAU,mCAGtB,IAAIC,EAAW,IAAIR,EAAGC,EAAIC,GAAWG,EAASF,GAC1CM,EAAMX,EAASA,EAASQ,EAAQA,EAMpC,OAJKD,EAAQK,QAAQD,GACXJ,EAAQK,QAAQD,GAAKR,GAC1BI,EAAQK,QAAQD,GAAO,CAACJ,EAAQK,QAAQD,GAAMD,GADhBH,EAAQK,QAAQD,GAAKnF,KAAKkF,IADlCH,EAAQK,QAAQD,GAAOD,EAAUH,EAAQM,gBAI7DN,EAUT,SAASO,EAAWP,EAASI,GACI,KAAzBJ,EAAQM,aAAoBN,EAAQK,QAAU,IAAIX,SAC5CM,EAAQK,QAAQD,GAU9B,SAASI,IACPnN,KAAKgN,QAAU,IAAIX,EACnBrM,KAAKiN,aAAe,EAxElB1M,OAAO6M,SACTf,EAAO7L,UAAYD,OAAO6M,OAAO,OAM5B,IAAIf,GAASgB,YAAWjB,GAAS,IA2ExCe,EAAa3M,UAAU8M,WAAa,WAClC,IACIC,EACAC,EAFAC,EAAQ,GAIZ,GAA0B,IAAtBzN,KAAKiN,aAAoB,OAAOQ,EAEpC,IAAKD,KAASD,EAASvN,KAAKgN,QACtBb,EAAIzL,KAAK6M,EAAQC,IAAOC,EAAM7F,KAAKwE,EAASoB,EAAKE,MAAM,GAAKF,GAGlE,OAAIjN,OAAOoN,sBACFF,EAAMG,OAAOrN,OAAOoN,sBAAsBJ,IAG5CE,GAUTN,EAAa3M,UAAUqN,UAAY,SAAmBjB,GACpD,IAAIG,EAAMX,EAASA,EAASQ,EAAQA,EAChCkB,EAAW9N,KAAKgN,QAAQD,GAE5B,IAAKe,EAAU,MAAO,GACtB,GAAIA,EAASvB,GAAI,MAAO,CAACuB,EAASvB,IAElC,IAAK,IAAItF,EAAI,EAAG8G,EAAID,EAASvH,OAAQyH,EAAK,IAAIC,MAAMF,GAAI9G,EAAI8G,EAAG9G,IAC7D+G,EAAG/G,GAAK6G,EAAS7G,GAAGsF,GAGtB,OAAOyB,GAUTb,EAAa3M,UAAU0N,cAAgB,SAAuBtB,GAC5D,IAAIG,EAAMX,EAASA,EAASQ,EAAQA,EAChCiB,EAAY7N,KAAKgN,QAAQD,GAE7B,OAAKc,EACDA,EAAUtB,GAAW,EAClBsB,EAAUtH,OAFM,GAYzB4G,EAAa3M,UAAU2N,KAAO,SAAcvB,EAAOwB,EAAIC,EAAIC,EAAIC,EAAIC,GACjE,IAAIzB,EAAMX,EAASA,EAASQ,EAAQA,EAEpC,IAAK5M,KAAKgN,QAAQD,GAAM,OAAO,EAE/B,IAEIjL,EACAmF,EAHA4G,EAAY7N,KAAKgN,QAAQD,GACzBpD,EAAM8E,UAAUlI,OAIpB,GAAIsH,EAAUtB,GAAI,CAGhB,OAFIsB,EAAUpB,MAAMzM,KAAK0O,eAAe9B,EAAOiB,EAAUtB,QAAIoC,GAAW,GAEhEhF,GACN,KAAK,EAAG,OAAOkE,EAAUtB,GAAG7L,KAAKmN,EAAUrB,UAAU,EACrD,KAAK,EAAG,OAAOqB,EAAUtB,GAAG7L,KAAKmN,EAAUrB,QAAS4B,IAAK,EACzD,KAAK,EAAG,OAAOP,EAAUtB,GAAG7L,KAAKmN,EAAUrB,QAAS4B,EAAIC,IAAK,EAC7D,KAAK,EAAG,OAAOR,EAAUtB,GAAG7L,KAAKmN,EAAUrB,QAAS4B,EAAIC,EAAIC,IAAK,EACjE,KAAK,EAAG,OAAOT,EAAUtB,GAAG7L,KAAKmN,EAAUrB,QAAS4B,EAAIC,EAAIC,EAAIC,IAAK,EACrE,KAAK,EAAG,OAAOV,EAAUtB,GAAG7L,KAAKmN,EAAUrB,QAAS4B,EAAIC,EAAIC,EAAIC,EAAIC,IAAK,EAG3E,IAAKvH,EAAI,EAAGnF,EAAO,IAAImM,MAAMtE,EAAK,GAAI1C,EAAI0C,EAAK1C,IAC7CnF,EAAKmF,EAAI,GAAKwH,UAAUxH,GAG1B4G,EAAUtB,GAAGxK,MAAM8L,EAAUrB,QAAS1K,OACjC,CACL,IACI8M,EADArI,EAASsH,EAAUtH,OAGvB,IAAKU,EAAI,EAAGA,EAAIV,EAAQU,IAGtB,OAFI4G,EAAU5G,GAAGwF,MAAMzM,KAAK0O,eAAe9B,EAAOiB,EAAU5G,GAAGsF,QAAIoC,GAAW,GAEtEhF,GACN,KAAK,EAAGkE,EAAU5G,GAAGsF,GAAG7L,KAAKmN,EAAU5G,GAAGuF,SAAU,MACpD,KAAK,EAAGqB,EAAU5G,GAAGsF,GAAG7L,KAAKmN,EAAU5G,GAAGuF,QAAS4B,GAAK,MACxD,KAAK,EAAGP,EAAU5G,GAAGsF,GAAG7L,KAAKmN,EAAU5G,GAAGuF,QAAS4B,EAAIC,GAAK,MAC5D,KAAK,EAAGR,EAAU5G,GAAGsF,GAAG7L,KAAKmN,EAAU5G,GAAGuF,QAAS4B,EAAIC,EAAIC,GAAK,MAChE,QACE,IAAKxM,EAAM,IAAK8M,EAAI,EAAG9M,EAAO,IAAImM,MAAMtE,EAAK,GAAIiF,EAAIjF,EAAKiF,IACxD9M,EAAK8M,EAAI,GAAKH,UAAUG,GAG1Bf,EAAU5G,GAAGsF,GAAGxK,MAAM8L,EAAU5G,GAAGuF,QAAS1K,IAKpD,OAAO,GAYTqL,EAAa3M,UAAUqO,GAAK,SAAYjC,EAAOL,EAAIC,GACjD,OAAOE,EAAY1M,KAAM4M,EAAOL,EAAIC,GAAS,IAY/CW,EAAa3M,UAAUiM,KAAO,SAAcG,EAAOL,EAAIC,GACrD,OAAOE,EAAY1M,KAAM4M,EAAOL,EAAIC,GAAS,IAa/CW,EAAa3M,UAAUkO,eAAiB,SAAwB9B,EAAOL,EAAIC,EAASC,GAClF,IAAIM,EAAMX,EAASA,EAASQ,EAAQA,EAEpC,IAAK5M,KAAKgN,QAAQD,GAAM,OAAO/M,KAC/B,IAAKuM,EAEH,OADAW,EAAWlN,KAAM+M,GACV/M,KAGT,IAAI6N,EAAY7N,KAAKgN,QAAQD,GAE7B,GAAIc,EAAUtB,GAEVsB,EAAUtB,KAAOA,GACfE,IAAQoB,EAAUpB,MAClBD,GAAWqB,EAAUrB,UAAYA,GAEnCU,EAAWlN,KAAM+M,OAEd,CACL,IAAK,IAAI9F,EAAI,EAAGsG,EAAS,GAAIhH,EAASsH,EAAUtH,OAAQU,EAAIV,EAAQU,KAEhE4G,EAAU5G,GAAGsF,KAAOA,GACnBE,IAASoB,EAAU5G,GAAGwF,MACtBD,GAAWqB,EAAU5G,GAAGuF,UAAYA,IAErCe,EAAO3F,KAAKiG,EAAU5G,IAOtBsG,EAAOhH,OAAQvG,KAAKgN,QAAQD,GAAyB,IAAlBQ,EAAOhH,OAAegH,EAAO,GAAKA,EACpEL,EAAWlN,KAAM+M,GAGxB,OAAO/M,MAUTmN,EAAa3M,UAAUsO,mBAAqB,SAA4BlC,GACtE,IAAIG,EAUJ,OARIH,GACFG,EAAMX,EAASA,EAASQ,EAAQA,EAC5B5M,KAAKgN,QAAQD,IAAMG,EAAWlN,KAAM+M,KAExC/M,KAAKgN,QAAU,IAAIX,EACnBrM,KAAKiN,aAAe,GAGfjN,MAMTmN,EAAa3M,UAAUuO,IAAM5B,EAAa3M,UAAUkO,eACpDvB,EAAa3M,UAAUkM,YAAcS,EAAa3M,UAAUqO,GAK5D1B,EAAa6B,SAAW5C,EAKxBe,EAAaA,aAAeA,EAM1BtN,EAAOD,QAAUuN,G,+CC9UE8B,E,WACnB,WAAaC,EAAQC,GACnBnP,KAAKkP,OAASA,EACdlP,KAAKoP,MAAQD,E,mBAGfE,QAAA,SAAShJ,EAAMhG,GACb,OAAOL,KAAKkP,OAAOG,QAAQ,CAAE7B,KAAM,UAAW2B,GAAInP,KAAKoP,OAAS/O,EAAKgG,I,KCI1DiJ,E,WAVb,WAAaJ,EAAQ7O,GACnBL,KAAKkP,OAASA,EACdlP,KAAKK,IAAMA,E,mBAGbkP,UAAA,WACE,OAAOvP,KAAKkP,OAAOM,UAAU,MAAOxP,KAAKK,IAAK,CAAEmN,KAAM,YAAa,EAAO,CAAC,UAAW,a,SCkR3EiC,E,WA7Qb,aAEEzP,KAAK0P,KAAO,CAAC,EAAK,EAAK,EAAK,EAAK,EAAK,GAAM,GAAM,GAAM,IAAM,GAAM,IACpE1P,KAAK2P,OAAS,CAAC,IAAIC,YAAY,KAAM,IAAIA,YAAY,KAAM,IAAIA,YAAY,KAAM,IAAIA,YAAY,MACjG5P,KAAK6P,UAAY,CAAC,IAAID,YAAY,KAAM,IAAIA,YAAY,KAAM,IAAIA,YAAY,KAAM,IAAIA,YAAY,MACpG5P,KAAK8P,KAAO,IAAIF,YAAY,KAC5B5P,KAAK+P,QAAU,IAAIH,YAAY,KAG/B5P,KAAKK,IAAM,IAAIuP,YAAY,GAE3B5P,KAAKgQ,Y,2BAIPC,yBAAA,SAA0BC,GAGxB,IAFA,IAAIC,EAAO,IAAIC,SAASF,GACpBG,EAAW,IAAIT,YAAY,GACtB3I,EAAI,EAAGA,EAAI,EAAGA,IACrBoJ,EAASpJ,GAAKkJ,EAAKG,UAAc,EAAJrJ,GAG/B,OAAOoJ,G,EAGTL,UAAA,WACE,IAAIF,EAAO9P,KAAK8P,KACZC,EAAU/P,KAAK+P,QACfJ,EAAS3P,KAAK2P,OACdY,EAAUZ,EAAO,GACjBa,EAAUb,EAAO,GACjBc,EAAUd,EAAO,GACjBe,EAAUf,EAAO,GACjBE,EAAY7P,KAAK6P,UACjBc,EAAad,EAAU,GACvBe,EAAaf,EAAU,GACvBgB,EAAahB,EAAU,GACvBiB,EAAajB,EAAU,GAEvBkB,EAAI,IAAInB,YAAY,KACpBoB,EAAI,EACJC,EAAK,EACLhK,EAAI,EACR,IAAKA,EAAI,EAAGA,EAAI,IAAKA,IAEjB8J,EAAE9J,GADAA,EAAI,IACCA,GAAK,EAEJA,GAAK,EAAK,IAItB,IAAKA,EAAI,EAAGA,EAAI,IAAKA,IAAK,CACxB,IAAIiK,EAAKD,EAAMA,GAAM,EAAMA,GAAM,EAAMA,GAAM,EAAMA,GAAM,EACzDC,EAAMA,IAAO,EAAW,IAALA,EAAa,GAChCpB,EAAKkB,GAAKE,EACVnB,EAAQmB,GAAMF,EAGd,IAAIG,EAAKJ,EAAEC,GACPI,EAAKL,EAAEI,GACPE,EAAKN,EAAEK,GAGPE,EAAa,IAARP,EAAEG,GAAqB,SAALA,EAC3BX,EAAQS,GAAMM,GAAK,GAAOA,IAAM,EAChCd,EAAQQ,GAAMM,GAAK,GAAOA,IAAM,GAChCb,EAAQO,GAAMM,GAAK,EAAMA,IAAM,GAC/BZ,EAAQM,GAAKM,EAGbA,EAAU,SAALD,EAAwB,MAALD,EAAsB,IAALD,EAAmB,SAAJH,EACxDL,EAAWO,GAAOI,GAAK,GAAOA,IAAM,EACpCV,EAAWM,GAAOI,GAAK,GAAOA,IAAM,GACpCT,EAAWK,GAAOI,GAAK,EAAMA,IAAM,GACnCR,EAAWI,GAAMI,EAGZN,GAGHA,EAAIG,EAAKJ,EAAEA,EAAEA,EAAEM,EAAKF,KACpBF,GAAMF,EAAEA,EAAEE,KAHVD,EAAIC,EAAK,I,EAQf1B,UAAA,SAAWgC,GAMT,IAJA,IAAIlR,EAAML,KAAKiQ,yBAAyBsB,GACpCC,GAAU,EACVlL,EAAS,EAENA,EAASjG,EAAIkG,QAAUiL,GAC5BA,EAAWnR,EAAIiG,KAAYtG,KAAKK,IAAIiG,GACpCA,IAGF,IAAIkL,EAAJ,CAIAxR,KAAKK,IAAMA,EACX,IAAIoR,EAAUzR,KAAKyR,QAAUpR,EAAIkG,OAEjC,GAAgB,IAAZkL,GAA6B,IAAZA,GAA6B,IAAZA,EACpC,MAAM,IAAI3G,MAAM,wBAA0B2G,GAG5C,IACIC,EACAC,EAaAC,EACAN,EAhBAO,EAAS7R,KAAK6R,OAA6B,GAAnBJ,EAAU,EAAI,GAItCK,EAAc9R,KAAK8R,YAAc,IAAIlC,YAAYiC,GACjDE,EAAiB/R,KAAK+R,eAAiB,IAAInC,YAAYiC,GACvDG,EAAOhS,KAAK8P,KACZJ,EAAO1P,KAAK0P,KAEZG,EAAY7P,KAAK6P,UACjBc,EAAad,EAAU,GACvBe,EAAaf,EAAU,GACvBgB,EAAahB,EAAU,GACvBiB,EAAajB,EAAU,GAK3B,IAAK6B,EAAQ,EAAGA,EAAQG,EAAQH,IAC1BA,EAAQD,EACVG,EAAOE,EAAYJ,GAASrR,EAAIqR,IAGlCJ,EAAIM,EAEAF,EAAQD,GAAY,GAKtBH,EAAKU,GAHLV,EAAKA,GAAK,EAAMA,IAAM,MAGN,KAAO,GAAOU,EAAMV,IAAM,GAAM,MAAS,GAAOU,EAAMV,IAAM,EAAK,MAAS,EAAKU,EAAS,IAAJV,GAGpGA,GAAK5B,EAAMgC,EAAQD,EAAW,IAAM,IAC3BA,EAAU,GAAKC,EAAQD,GAAY,IAE5CH,EAAKU,EAAKV,IAAM,KAAO,GAAOU,EAAMV,IAAM,GAAM,MAAS,GAAOU,EAAMV,IAAM,EAAK,MAAS,EAAKU,EAAS,IAAJV,IAGtGQ,EAAYJ,GAASE,GAAQE,EAAYJ,EAAQD,GAAWH,KAAO,GAGrE,IAAKK,EAAW,EAAGA,EAAWE,EAAQF,IACpCD,EAAQG,EAASF,EAEfL,EADa,EAAXK,EACEG,EAAYJ,GAEZI,EAAYJ,EAAQ,GAIxBK,EAAeJ,GADbA,EAAW,GAAKD,GAAS,EACAJ,EAEAX,EAAWqB,EAAKV,IAAM,KAAOV,EAAWoB,EAAMV,IAAM,GAAM,MAAST,EAAWmB,EAAMV,IAAM,EAAK,MAASR,EAAWkB,EAAS,IAAJV,IAGrJS,EAAeJ,GAAYI,EAAeJ,KAAc,I,EAK5DM,uBAAA,SAAwBC,GACtB,OAAQA,GAAQ,IAAe,MAAPA,IAAkB,GAAc,SAAPA,IAAoB,EAAMA,IAAS,I,EAGtF7C,QAAA,SAAS8C,EAAkB7L,EAAQ8I,EAAOgD,GA2BxC,IA1BA,IAmBIC,EAAIC,EAAIC,EAAIC,EACZC,EAAIC,EAAIC,EAAIC,EACZC,EAAaC,EAAaC,EAAaC,EAEvCtB,EAAOzK,EAhNgByB,EACvBuK,EACAC,EAuLAC,EAAUnT,KAAKyR,QAAU,EACzBM,EAAiB/R,KAAK+R,eACtBqB,EAAUpT,KAAK+P,QAEfF,EAAY7P,KAAK6P,UACjBc,EAAad,EAAU,GACvBe,EAAaf,EAAU,GACvBgB,EAAahB,EAAU,GACvBiB,EAAajB,EAAU,GAEvBwD,EAAarT,KAAKiQ,yBAAyBb,GAC3CkE,EAAcD,EAAW,GACzBE,EAAcF,EAAW,GACzBG,EAAcH,EAAW,GACzBI,EAAcJ,EAAW,GAEzBK,EAAa,IAAIC,WAAWxB,GAC5ByB,EAAc,IAAID,WAAWD,EAAWnN,QAOxCsN,EAAW7T,KAAKiS,uBAEb3L,EAASoN,EAAWnN,QAAQ,CAcjC,IAbAsM,EAAcgB,EAASH,EAAWpN,IAClCwM,EAAce,EAASH,EAAWpN,EAAS,IAC3CyM,EAAcc,EAASH,EAAWpN,EAAS,IAC3C0M,EAAca,EAASH,EAAWpN,EAAS,IAE3CmM,EAAKI,EAAcd,EAAe,GAClCW,EAAKM,EAAcjB,EAAe,GAClCY,EAAKI,EAAchB,EAAe,GAClCa,EAAKE,EAAcf,EAAe,GAElCL,EAAQ,EAGHzK,EAAI,EAAGA,EAAIkM,EAASlM,IACvBoL,EAAK1B,EAAW8B,IAAO,IAAM7B,EAAY8B,GAAM,GAAM,KAAQ7B,EAAY8B,GAAM,EAAK,KAAQ7B,EAAgB,IAAL8B,GAAab,EAAeL,GACnIY,EAAK3B,EAAW+B,IAAO,IAAM9B,EAAY+B,GAAM,GAAM,KAAQ9B,EAAY+B,GAAM,EAAK,KAAQ9B,EAAgB,IAAL2B,GAAaV,EAAeL,EAAQ,GAC3Ia,EAAK5B,EAAWgC,IAAO,IAAM/B,EAAYgC,GAAM,GAAM,KAAQ/B,EAAY4B,GAAM,EAAK,KAAQ3B,EAAgB,IAAL4B,GAAaX,EAAeL,EAAQ,GAC3Ic,EAAK7B,EAAWiC,IAAO,IAAMhC,EAAY6B,GAAM,GAAM,KAAQ5B,EAAY6B,GAAM,EAAK,KAAQ5B,EAAgB,IAAL6B,GAAaZ,EAAeL,EAAQ,GAE3Ie,EAAKJ,EACLK,EAAKJ,EACLK,EAAKJ,EACLK,EAAKJ,EAELd,GAAgB,EAIlBW,EAAOe,EAAQX,IAAO,KAAO,GAAOW,EAASV,GAAM,GAAM,MAAS,GAAOU,EAAST,GAAM,EAAK,MAAS,EAAKS,EAAa,IAALR,GAAcb,EAAeL,GAChJY,EAAOc,EAAQV,IAAO,KAAO,GAAOU,EAAST,GAAM,GAAM,MAAS,GAAOS,EAASR,GAAM,EAAK,MAAS,EAAKQ,EAAa,IAALX,GAAcV,EAAeL,EAAQ,GACxJa,EAAOa,EAAQT,IAAO,KAAO,GAAOS,EAASR,GAAM,GAAM,MAAS,GAAOQ,EAASX,GAAM,EAAK,MAAS,EAAKW,EAAa,IAALV,GAAcX,EAAeL,EAAQ,GACxJc,EAAOY,EAAQR,IAAO,KAAO,GAAOQ,EAASX,GAAM,GAAM,MAAS,GAAOW,EAASV,GAAM,EAAK,MAAS,EAAKU,EAAa,IAALT,GAAcZ,EAAeL,EAAQ,GACxJA,GAAgB,EAGhBkC,EAAYtN,GAAUuN,EAASxB,EAAKiB,GACpCM,EAAYtN,EAAS,GAAKuN,EAASrB,EAAKe,GACxCK,EAAYtN,EAAS,GAAKuN,EAAStB,EAAKiB,GACxCI,EAAYtN,EAAS,GAAKuN,EAASvB,EAAKmB,GAGxCH,EAAcT,EACdU,EAAcT,EACdU,EAAcT,EACdU,EAAcT,EAEd1M,GAAkB,EAGpB,OAAO8L,GArQoB1J,EAqQekL,EAAYlL,OApQlDuK,EAAcvK,EAAOT,YACrBiL,EAAeD,GAAgB,IAAI7C,SAAS1H,GAASoL,SAASb,EAAc,IAEzEvK,EAAOgF,MAAM,EAAGuF,EAAcC,GAE9BxK,GA+PyDkL,EAAYlL,Q,EAG9EqL,QAAA,WACE/T,KAAKK,SAAMsO,EACX3O,KAAKyR,aAAU9C,EACf3O,KAAK6R,YAASlD,EAEd3O,KAAK8P,UAAOnB,EACZ3O,KAAK+P,aAAUpB,EACf3O,KAAK2P,YAAShB,EACd3O,KAAK6P,eAAYlB,EACjB3O,KAAK8R,iBAAcnD,EACnB3O,KAAK+R,oBAAiBpD,EAEtB3O,KAAK0P,UAAOf,G,mBCzQVlN,EAASC,cAuFAsS,E,WApFb,WAAaC,EAAUC,EAAvB,GAAmE,kBAAJ,GAAI,GAAlC9B,0BAAkC,SAMjE,GALApS,KAAKmU,YAAa,EAClBnU,KAAKiU,SAAWA,EAChBjU,KAAKkU,OAASA,EACdlU,KAAKoS,mBAAqBA,EAEtBA,EACF,IACE,IAAMgC,EAAgB3S,EAAO4S,OACzBD,IACFpU,KAAKkP,OAASkF,EAAclF,QAAUkF,EAAcE,cAEtD,MAAOjS,IAEXrC,KAAKuU,kBAAoBvU,KAAKkP,O,2BAGhCsF,OAAA,WACE,OAAQxU,KAAKuU,kBAAoBvU,KAAKkU,OAAOO,mB,EAG/CpF,QAAA,SAAShJ,EAAMhG,EAAK8O,EAAIuF,GAAU,WAChC,GAAI1U,KAAKuU,kBAAoBvU,KAAKkU,OAAOO,kBAAmB,CACtDzU,KAAKmU,aACP7R,IAAOrB,IAAI,kBACXjB,KAAKmU,YAAa,GAEpB,IAAIQ,EAAY3U,KAAK2U,UAChBA,IACH3U,KAAK2U,UAAYA,EAAY,IAAIlF,GAGnCkF,EAAUpF,UAAUlP,GACpBqU,EAASC,EAAUtF,QAAQhJ,EAAM,EAAG8I,EAAInP,KAAKoS,yBACxC,CACDpS,KAAKmU,aACP7R,IAAOrB,IAAI,yBACXjB,KAAKmU,YAAa,GAEpB,IAAMjF,EAASlP,KAAKkP,OAChBlP,KAAKK,MAAQA,IACfL,KAAKK,IAAMA,EACXL,KAAK4U,WAAa,IAAItF,EAAWJ,EAAQ7O,IAG3CL,KAAK4U,WAAWrF,YACbsF,MAAK,SAACC,GAEQ,IAAI7F,EAAUC,EAAQC,GAC5BE,QAAQhJ,EAAMyO,GAClBC,OAAM,SAACC,GACN,EAAKC,iBAAiBD,EAAK3O,EAAMhG,EAAK8O,EAAIuF,MAE3CG,MAAK,SAACK,GACLR,EAASQ,SAGdH,OAAM,SAACC,GACN,EAAKC,iBAAiBD,EAAK3O,EAAMhG,EAAK8O,EAAIuF,Q,EAKlDO,iBAAA,SAAkBD,EAAK3O,EAAMhG,EAAK8O,EAAIuF,GAChC1U,KAAKkU,OAAOO,mBACdnS,IAAOrB,IAAI,0CACXjB,KAAKuU,kBAAmB,EACxBvU,KAAKmU,YAAa,EAClBnU,KAAKqP,QAAQhJ,EAAMhG,EAAK8O,EAAIuF,KAE5BpS,IAAOlB,MAAP,sBAAmC4T,EAAIG,SACvCnV,KAAKiU,SAASmB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAWyP,YAAaC,QAASzP,IAAa0P,mBAAoBC,OAAO,EAAMC,OAAQV,EAAIG,Y,EAI1IpB,QAAA,WACE,IAAIY,EAAY3U,KAAK2U,UACjBA,IACFA,EAAUZ,UACV/T,KAAK2U,eAAYhG,I,YCyChB,SAASgH,EAAiBtP,EAAMC,GACrC,OAAwB,MAAjBD,EAAKC,IAAkD,MAAV,IAAnBD,EAAKC,EAAS,IAG1C,SAASsP,EAAiBvP,EAAMC,GACrC,OAA2B,EAAnBD,EAAKC,EAAS,GAAY,EAAI,EAGjC,SAASuP,EAAoBxP,EAAMC,GACxC,OAA4B,EAAnBD,EAAKC,EAAS,KAAc,GAClCD,EAAKC,EAAS,IAAM,GACA,IAAnBD,EAAKC,EAAS,MAAe,EAG5B,SAASF,EAAUC,EAAMC,GAI9B,SAAIA,EAAS,EAAID,EAAKE,QAAUoP,EAAgBtP,EAAMC,IAOjD,SAASwP,EAAOzP,EAAMC,GAG3B,GAAIF,EAASC,EAAMC,GAAS,CAE1B,IAEIyP,EAFeH,EAAgBvP,EAAMC,GAGrCA,EAAS,EAAID,EAAKE,SACpBwP,EAAcF,EAAmBxP,EAAMC,IAGzC,IAAI0P,EAAY1P,EAASyP,EACzB,GAAIC,IAAc3P,EAAKE,QAAWyP,EAAY,EAAI3P,EAAKE,QAAUoP,EAAgBtP,EAAM2P,GACrF,OAAO,EAGX,OAAO,EAGF,SAASC,EAAiBC,EAAOjC,EAAU5N,EAAMC,EAAQ6P,GAC9D,IAAKD,EAAME,WAAY,CACrB,IAAIlC,EA3KD,SAAyBD,EAAU5N,EAAMC,EAAQ6P,GACtD,IAAIE,EACFC,EACAC,EACAC,EACAtC,EACAuC,EAAYC,UAAUD,UAAUE,cAChCC,EAAgBT,EAChBU,EAAqB,CACnB,KAAO,MACP,KAAO,KACP,MAAO,KACP,KAAO,MACP,KAAO,KACP,MAAO,IACP,MAIJ,GAFAR,EAAqD,IAAf,IAAnBhQ,EAAKC,EAAS,MAAe,MAChDgQ,GAA0C,GAAnBjQ,EAAKC,EAAS,MAAe,GAC3BuQ,EAAmBtQ,OAAS,GAsGrD,OAlGAiQ,GAAwC,EAAnBnQ,EAAKC,EAAS,KAAc,EAEjDkQ,IAAyC,IAAnBnQ,EAAKC,EAAS,MAAe,EACnDhE,IAAOrB,IAAP,kBAA6BkV,EAA7B,mBAA0DE,EAA1D,mBAA2FC,EAA3F,IAAiHO,EAAmBP,GAApI,qBAA4KE,GAExK,WAAWM,KAAKL,GACdH,GAAsB,GACxBD,EAAiB,EACjBnC,EAAS,IAAIjG,MAAM,GAInBsI,EAA8BD,EAAqB,IAEnDD,EAAiB,EACjBnC,EAAS,IAAIjG,MAAM,GACnBsI,EAA8BD,IAGW,IAAlCG,EAAUpN,QAAQ,YAC3BgN,EAAiB,EACjBnC,EAAS,IAAIjG,MAAM,GACnBsI,EAA8BD,IAK9BD,EAAiB,EACjBnC,EAAS,IAAIjG,MAAM,GAEdkI,KAAsD,IAAtCA,EAAW9M,QAAQ,gBACA,IAArC8M,EAAW9M,QAAQ,gBAClB8M,GAAcG,GAAsB,EAItCC,EAA8BD,EAAqB,IAI/CH,IAAmD,IAArCA,EAAW9M,QAAQ,eAAyBiN,GAAsB,GAA0B,IAArBE,GACnF,WAAWM,KAAKL,MAClBN,GAAmC,IAArBK,KAChBH,EAAiB,EACjBnC,EAAS,IAAIjG,MAAM,IAErBsI,EAA8BD,IAqClCpC,EAAO,GAAKmC,GAAkB,EAE9BnC,EAAO,KAA4B,GAArBoC,IAA8B,EAC5CpC,EAAO,KAA4B,EAArBoC,IAA8B,EAE5CpC,EAAO,IAAMsC,GAAoB,EACV,IAAnBH,IAEFnC,EAAO,KAAqC,GAA9BqC,IAAuC,EACrDrC,EAAO,IAAoC,EAA9BqC,IAAuC,EAGpDrC,EAAO,IAAM,EACbA,EAAO,GAAK,GAEP,CAAEA,OAAQA,EAAQkC,WAAYS,EAAmBP,GAAqBS,aAAcP,EAAkBQ,MAAQ,WAAaX,EAAiBO,cAAeA,GArGhK3C,EAASmB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAWyP,YAAaC,QAASzP,IAAamR,mBAAoBxB,OAAO,EAAMC,OAAQ,+BAA+BY,IAuJ/IY,CAAejD,EAAU5N,EAAMC,EAAQ6P,GACpDD,EAAMhC,OAASA,EAAOA,OACtBgC,EAAME,WAAalC,EAAOkC,WAC1BF,EAAMa,aAAe7C,EAAO6C,aAC5Bb,EAAMc,MAAQ9C,EAAO8C,MACrBd,EAAMU,cAAgB1C,EAAO0C,cAC7BtU,IAAOrB,IAAP,gBAA2BiV,EAAMc,MAAjC,SAA+C9C,EAAOkC,WAAtD,eAA+ElC,EAAO6C,eAInF,SAASI,EAAkBf,GAChC,OAAO,OAAeA,EAsBjB,SAASgB,EAAalB,EAAO7P,EAAMC,EAAQ+Q,EAAKC,GACrD,IACIC,EArBC,SAA2BlR,EAAMC,EAAQ+Q,EAAKC,EAAYE,GAC/D,IAAIC,EAAc1B,EACdxP,EAASF,EAAKE,OAQlB,GALAkR,EAAe7B,EAAgBvP,EAAMC,GAErCyP,EAAcF,EAAmBxP,EAAMC,IACvCyP,GAAe0B,GAEI,GAAQnR,EAASmR,EAAe1B,GAAgBxP,EAGjE,MAAO,CAAEkR,eAAc1B,cAAa2B,MAF5BL,EAAMC,EAAaE,GAUhBG,CAAiBtR,EAAMC,EAAQ+Q,EAAKC,EAD7BH,EAAiBjB,EAAME,aAE3C,GAAImB,EAAQ,CACV,IAAIG,EAAQH,EAAOG,MACfD,EAAeF,EAAOE,aACtB1B,EAAcwB,EAAOxB,YAGrB6B,EAAY,CACdC,KAAMxR,EAAKO,SAASN,EAASmR,EAAcnR,EAASmR,EAAe1B,GACnEsB,IAAKK,EACLI,IAAKJ,GAIP,OADAxB,EAAM6B,QAAQnQ,KAAKgQ,GACZ,CAAEI,OAAQJ,EAAWrR,OAAQwP,EAAc0B,I,WC7IvCQ,E,WAlFb,WAAahE,EAAUiE,EAAShE,GAC9BlU,KAAKiU,SAAWA,EAChBjU,KAAKkU,OAASA,EACdlU,KAAKkY,QAAUA,E,2BAGjBC,iBAAA,SAAkBC,EAAajC,EAAYkC,EAAYC,GACrDtY,KAAKuY,YAAc,CAAEC,UAAW,aAAcjX,KAAM,QAASkX,GAAI,EAAGC,eAAgB,EAAGC,OAAO,EAAMZ,QAAS,GAAIpO,IAAK,EAAGiN,cAAeT,EAAYmC,SAAUA,EAAUM,eAAgB,M,EAG1LC,eAAA,a,EAGO/C,MAAP,SAAczP,GACZ,IAAKA,EACH,OAAO,EAUT,IAHA,IACIC,GADYH,IAAIM,WAAWJ,EAAM,IAAM,IACtBE,OAEZA,EAASF,EAAKE,OAAQD,EAASC,EAAQD,IAC9C,GAAIwS,EAAWzS,EAAMC,GAEnB,OADAhE,IAAOrB,IAAI,2BACJ,EAGX,OAAO,G,EAIT8X,OAAA,SAAQ1S,EAAM2S,EAAYC,EAAYC,GAYpC,IAXA,IAAIhD,EAAQlW,KAAKuY,YACb/Q,EAAUrB,IAAIM,WAAWJ,EAAM,IAAM,GACrC+B,EAAYjC,IAAIW,aAAaU,GAC7B6P,EAAM,YAAgBjP,GAAyB,GAAZA,EAA8B,IAAb4Q,EACpD1B,EAAa,EACbI,EAAQL,EACR9Q,EAASF,EAAKE,OACdD,EAASkB,EAAQjB,OAEjB4S,EAAa,CAAC,CAAE9B,IAAKK,EAAOI,IAAKJ,EAAOrR,KAAMmB,IAE3ClB,EAASC,EAAS,GACvB,GAAIuS,EAAczS,EAAMC,IAAYA,EAAS,EAAKC,EAAQ,CACxDuS,EAAqB5C,EAAOlW,KAAKiU,SAAU5N,EAAMC,EAAQ4P,EAAMU,eAC/D,IAAI1P,EAAQ4R,EAAiB5C,EAAO7P,EAAMC,EAAQ+Q,EAAKC,GACvD,IAAIpQ,EAIG,CACL5E,IAAOrB,IAAI,6BACX,MALAqF,GAAUY,EAAMX,OAChBmR,EAAQxQ,EAAM8Q,OAAOX,IACrBC,SAKOnR,IAAIC,SAASC,EAAMC,IAC5BkB,EAAUrB,IAAIM,WAAWJ,EAAMC,GAC/B6S,EAAWvR,KAAK,CAAEyP,IAAKK,EAAOI,IAAKJ,EAAOrR,KAAMmB,IAChDlB,GAAUkB,EAAQjB,QAGlBD,IAIJtG,KAAKkY,QAAQkB,MAAMlD,EACjB,CAAE6B,QAAS,IACX,CAAEA,QAASoB,EAAYP,eAAgB,KACvC,CAAEb,QAAS,IACXiB,EACAC,EACAC,I,EAGJnF,QAAA,a,aClFIsF,EAAY,CAEhBC,YAAa,CACX,GAAI,GAAI,GAAI,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAC9D,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAC3D,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAC1D,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAC3D,EAAG,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,IAAK,IAAK,IAAK,KAExDC,gBAAiB,CAAC,MAAO,KAAO,KAAO,MAAO,KAAO,KAAO,MAAO,KAAO,KAE1EC,oBAAqB,CAEnB,CACE,EACA,GACA,IACA,IAGF,CACE,EACA,EACA,EACA,GAGF,CACE,EACA,GACA,IACA,IAGF,CACE,EACA,IACA,IACA,KAIJC,YAAa,CACX,EACA,EACA,EACA,GAGFrC,YAAa,SAAUlB,EAAO7P,EAAMC,EAAQ+Q,EAAKC,GAE/C,KAAIhR,EAAS,GAAKD,EAAKE,QAAvB,CAIA,IAAIgR,EAASvX,KAAK0Z,YAAYrT,EAAMC,GACpC,GAAIiR,GAAUjR,EAASiR,EAAOxB,aAAe1P,EAAKE,OAAQ,CACxD,IACImR,EAAQL,EAAMC,GAD2B,IAAzBC,EAAOoC,gBAA0BpC,EAAOqC,YAExD5B,EAAS,CAAEH,KAAMxR,EAAKO,SAASN,EAAQA,EAASiR,EAAOxB,aAAcsB,IAAKK,EAAOI,IAAKJ,GAO1F,OALAxB,EAAMhC,OAAS,GACfgC,EAAMa,aAAeQ,EAAOR,aAC5Bb,EAAME,WAAamB,EAAOqC,WAC1B1D,EAAM6B,QAAQnQ,KAAKoQ,GAEZ,CAAEA,SAAQzR,OAAQgR,EAAOxB,gBAMpC2D,YAAa,SAAUrT,EAAMC,GAC3B,IAAIuT,EAAWxT,EAAKC,EAAS,IAAM,EAAK,EACpCwT,EAAWzT,EAAKC,EAAS,IAAM,EAAK,EACpCyT,EAAW1T,EAAKC,EAAS,IAAM,EAAK,GACpC0T,EAAW3T,EAAKC,EAAS,IAAM,EAAK,EACpC2T,EAAW5T,EAAKC,EAAS,IAAM,EAAK,EACxC,GAAgB,IAAZuT,GAA6B,IAAZE,GAA6B,KAAZA,GAA8B,IAAZC,EAAe,CACrE,IAAIE,EAA+B,IAAZL,EAAiB,EAAIC,EAAwB,IAAZA,EAAgB,EAAI,EACxEK,EAAuE,IAA7Dd,EAAUC,YAA+B,GAAnBY,EAAwBH,EAAU,GAClEK,EAAkC,IAAZP,EAAgB,EAAgB,IAAZA,EAAgB,EAAI,EAC9DD,EAAaP,EAAUE,gBAAsC,EAAtBa,EAA0BJ,GACjEjD,EAAe1Q,EAAKC,EAAS,IAAM,GAAM,EAAI,EAAI,EACjD+T,EAAoBhB,EAAUG,oBAAoBK,GAASC,GAC3DQ,EAAcjB,EAAUI,YAAYK,GACpCH,EAAsC,EAApBU,EAAwBC,EAG9C,MAAO,CAAEV,aAAY7C,eAAchB,YAFjBwE,SAASF,EAAoBF,EAAUP,EAAaK,EAAS,IAAMK,EAErCX,qBAMpDhE,gBAAiB,SAAUtP,EAAMC,GAC/B,OAAwB,MAAjBD,EAAKC,IAAkD,MAAV,IAAnBD,EAAKC,EAAS,KAAqD,IAAV,EAAnBD,EAAKC,EAAS,KAGvFF,SAAU,SAAUC,EAAMC,GAIxB,SAAIA,EAAS,EAAID,EAAKE,QAAUvG,KAAK2V,gBAAgBtP,EAAMC,KAO7DwP,MAAO,SAAUzP,EAAMC,GAGrB,GAAIA,EAAS,EAAID,EAAKE,QAAUvG,KAAK2V,gBAAgBtP,EAAMC,GAAS,CAElE,IAEIiR,EAASvX,KAAK0Z,YAAYrT,EAAMC,GAChCyP,EAHe,EAIfwB,GAAUA,EAAOxB,cACnBA,EAAcwB,EAAOxB,aAGvB,IAAIC,EAAY1P,EAASyP,EACzB,GAAIC,IAAc3P,EAAKE,QAAWyP,EAAY,EAAI3P,EAAKE,QAAUvG,KAAK2V,gBAAgBtP,EAAM2P,GAC1F,OAAO,EAGX,OAAO,IAIIqD,ICyKAmB,E,WA1Sb,WAAanU,GACXrG,KAAKqG,KAAOA,EAEZrG,KAAKya,eAAiBpU,EAAK4B,WAE3BjI,KAAKkS,KAAO,EAEZlS,KAAK0a,cAAgB,E,2BAIvBC,SAAA,WACE,IACEtU,EAAOrG,KAAKqG,KACZoU,EAAiBza,KAAKya,eACtBG,EAAWvU,EAAK4B,WAAawS,EAC7BI,EAAe,IAAI3S,WAAW,GAC9B4S,EAAiBzS,KAAK0S,IAAI,EAAGN,GAC/B,GAAuB,IAAnBK,EACF,MAAM,IAAIhQ,MAAM,sBAGlB+P,EAAaG,IAAI3U,EAAKO,SAASgU,EAAUA,EAAWE,IACpD9a,KAAKkS,KAAO,IAAI9B,SAASyK,EAAanS,QAAQ4H,UAAU,GAExDtQ,KAAK0a,cAAiC,EAAjBI,EACrB9a,KAAKya,gBAAkBK,G,EAIzBG,SAAA,SAAUC,GACR,IAAIC,EACAnb,KAAK0a,cAAgBQ,GACvBlb,KAAKkS,OAASgJ,EACdlb,KAAK0a,eAAiBQ,IAEtBA,GAASlb,KAAK0a,cAEdQ,IADAC,EAAYD,GAAS,IACE,EACvBlb,KAAKya,gBAAkBU,EACvBnb,KAAK2a,WACL3a,KAAKkS,OAASgJ,EACdlb,KAAK0a,eAAiBQ,I,EAK1BE,SAAA,SAAUvU,GACR,IACEwU,EAAOhT,KAAK0S,IAAI/a,KAAK0a,cAAe7T,GACpCyU,EAAOtb,KAAKkS,OAAU,GAAKmJ,EAa7B,OAZIxU,EAAO,IACTvE,IAAOlB,MAAM,2CAGfpB,KAAK0a,eAAiBW,EAClBrb,KAAK0a,cAAgB,EACvB1a,KAAKkS,OAASmJ,EACLrb,KAAKya,eAAiB,GAC/Bza,KAAK2a,YAGPU,EAAOxU,EAAOwU,GACH,GAAKrb,KAAK0a,cACZY,GAAQD,EAAOrb,KAAKob,SAASC,GAE7BC,G,EAKXC,OAAA,WACE,IAAIC,EACJ,IAAKA,EAAmB,EAAGA,EAAmBxb,KAAK0a,gBAAiBc,EAClE,GAAwD,IAAnDxb,KAAKkS,KAAQ,aAAesJ,GAI/B,OAFAxb,KAAKkS,OAASsJ,EACdxb,KAAK0a,eAAiBc,EACfA,EAKX,OADAxb,KAAK2a,WACEa,EAAmBxb,KAAKub,U,EAIjCE,QAAA,WACEzb,KAAKib,SAAS,EAAIjb,KAAKub,W,EAIzBG,OAAA,WACE1b,KAAKib,SAAS,EAAIjb,KAAKub,W,EAIzBI,QAAA,WACE,IAAIC,EAAM5b,KAAKub,SACf,OAAOvb,KAAKob,SAASQ,EAAM,GAAK,G,EAIlCC,OAAA,WACE,IAAIP,EAAOtb,KAAK2b,UAChB,OAAI,EAAOL,EAED,EAAIA,IAAU,GAEd,GAAKA,IAAS,I,EAM1BQ,YAAA,WACE,OAA4B,IAArB9b,KAAKob,SAAS,I,EAIvBW,UAAA,WACE,OAAO/b,KAAKob,SAAS,I,EAIvBY,WAAA,WACE,OAAOhc,KAAKob,SAAS,K,EAGvBa,SAAA,WACE,OAAOjc,KAAKob,SAAS,K,EAUvBc,gBAAA,SAAiBhB,GACf,IAGEtM,EAFAuN,EAAY,EACZC,EAAY,EAGd,IAAKxN,EAAI,EAAGA,EAAIsM,EAAOtM,IACH,IAAdwN,IAEFA,GAAaD,EADAnc,KAAK6b,SACoB,KAAO,KAE/CM,EAA2B,IAAdC,EAAmBD,EAAYC,G,EAahDC,QAAA,WACE,IAKEC,EACAC,EAAgCC,EAChCC,EACAC,EACAC,EACA1V,EATA2V,EAAsB,EACtBC,EAAuB,EACvBC,EAAqB,EACrBC,EAAwB,EAOxBhB,EAAY/b,KAAK+b,UAAUzb,KAAKN,MAChCob,EAAWpb,KAAKob,SAAS9a,KAAKN,MAC9B2b,EAAU3b,KAAK2b,QAAQrb,KAAKN,MAC5B8b,EAAc9b,KAAK8b,YAAYxb,KAAKN,MACpCib,EAAWjb,KAAKib,SAAS3a,KAAKN,MAC9B0b,EAAS1b,KAAK0b,OAAOpb,KAAKN,MAC1Byb,EAAUzb,KAAKyb,QAAQnb,KAAKN,MAC5Bkc,EAAkBlc,KAAKkc,gBAAgB5b,KAAKN,MAS9C,GAPA+b,IACAO,EAAaP,IACGX,EAAS,GACzBH,EAAS,GACEc,IACXN,IAEmB,MAAfa,GACe,MAAfA,GACe,MAAfA,GACe,MAAfA,GACe,KAAfA,GACe,KAAfA,GACe,KAAfA,GACe,MAAfA,GACe,MAAfA,EAAoB,CACtB,IAAIU,EAAkBrB,IAQtB,GAPwB,IAApBqB,GACF/B,EAAS,GAGXQ,IACAA,IACAR,EAAS,GACLa,IAEF,IADAa,EAAwC,IAApBK,EAAyB,EAAI,GAC5C/V,EAAI,EAAGA,EAAI0V,EAAkB1V,IAC5B6U,KAEAI,EADEjV,EAAI,EACU,GAEA,IAM1BwU,IACA,IAAIwB,EAAkBtB,IACtB,GAAwB,IAApBsB,EACFtB,SACK,GAAwB,IAApBsB,EAKT,IAJAhC,EAAS,GACTS,IACAA,IACAa,EAAiCZ,IAC5B1U,EAAI,EAAGA,EAAIsV,EAAgCtV,IAC9CyU,IAGJD,IACAR,EAAS,GACTuB,EAAsBb,IACtBc,EAA4Bd,IAEH,KADzBe,EAAmBtB,EAAS,KAE1BH,EAAS,GAGXA,EAAS,GACLa,MACFc,EAAsBjB,IACtBkB,EAAuBlB,IACvBmB,EAAqBnB,IACrBoB,EAAwBpB,KAE1B,IAAIuB,EAAa,CAAC,EAAG,GACrB,GAAIpB,KAEEA,IAGF,OADuBC,KAEvB,KAAK,EAAGmB,EAAa,CAAC,EAAG,GAAI,MAC7B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,GAAIA,EAAa,CAAC,GAAI,IAAK,MAChC,KAAK,GAAIA,EAAa,CAAC,GAAI,IAAK,MAChC,KAAK,GAAIA,EAAa,CAAC,GAAI,IAAK,MAChC,KAAK,GAAIA,EAAa,CAAC,IAAK,IAAK,MACjC,KAAK,GAAIA,EAAa,CAAC,EAAG,GAAI,MAC9B,KAAK,GAAIA,EAAa,CAAC,EAAG,GAAI,MAC9B,KAAK,GAAIA,EAAa,CAAC,EAAG,GAAI,MAC9B,KAAK,IACHA,EAAa,CAACnB,KAAe,EAAIA,IAAaA,KAAe,EAAIA,KAMvE,MAAO,CACLoB,MAAO9U,KAAK+U,KAAmC,IAA3BZ,EAAsB,GAAiC,EAAtBI,EAAiD,EAAvBC,GAC/EQ,QAAU,EAAIX,IAAqBD,EAA4B,GAAK,IAAQC,EAAmB,EAAI,IAAMI,EAAqBC,GAC9HG,WAAYA,I,EAIhBI,cAAA,WAME,OAJAtd,KAAK+b,YAEL/b,KAAK2b,UAEE3b,KAAK2b,W,KClLD4B,E,WApHb,WAAatJ,EAAUC,EAAQsJ,EAAaC,GAC1Czd,KAAKwd,YAAcA,EACnBxd,KAAKyd,WAAaA,EAClBzd,KAAK0d,UAAY,IAAI1J,EAAUC,EAAUC,EAAQ,CAAE9B,oBAAoB,I,2BAGzEuL,cAAA,SAAeC,EAAelJ,GAC5B1U,KAAK0d,UAAUrO,QAAQuO,EAAe5d,KAAKwd,YAAYnd,IAAIqI,OAAQ1I,KAAKwd,YAAYrO,GAAGzG,OAAQgM,I,EAIjGmJ,iBAAA,SAAkB9F,EAAS+F,EAAapJ,EAAUqJ,GAChD,IAAIC,EAAUjG,EAAQ+F,GAAajG,KAC/B+F,EAAgBI,EAAQpX,SAAS,GAAIoX,EAAQzX,OAASyX,EAAQzX,OAAS,IACvE0X,EAAkBL,EAAclV,OAAOgF,MACzCkQ,EAAcM,WACdN,EAAcM,WAAaN,EAAcrX,QAEvC4X,EAAYne,KAChBA,KAAK2d,cAAcM,GAAiB,SAAUG,GAC5CA,EAAgB,IAAIlW,WAAWkW,GAC/BJ,EAAQhD,IAAIoD,EAAe,IAEtBL,GACHI,EAAUE,kBAAkBtG,EAAS+F,EAAc,EAAGpJ,O,EAK5D2J,kBAAA,SAAmBtG,EAAS+F,EAAapJ,GACvC,MAAQoJ,IAAe,CACrB,GAAIA,GAAe/F,EAAQxR,OAEzB,YADAmO,IAIF,KAAIqD,EAAQ+F,GAAajG,KAAKtR,OAAS,IAAvC,CAIA,IAAIwX,EAAO/d,KAAK0d,UAAUlJ,SAI1B,GAFAxU,KAAK6d,iBAAiB9F,EAAS+F,EAAapJ,EAAUqJ,IAEjDA,EACH,U,EAMNO,oBAAA,SAAqBC,GAInB,IAHA,IAAIC,EAAiE,GAA9CnW,KAAKoW,OAAOF,EAAYhY,OAAS,IAAM,KAAY,GACtEqX,EAAgB,IAAIc,UAAUF,GAC9BG,EAAY,EACPC,EAAW,GAAIA,GAAYL,EAAYhY,OAAS,GAAIqY,GAAY,IAAKD,GAAa,GACzFf,EAAc5C,IAAIuD,EAAY3X,SAASgY,EAAUA,EAAW,IAAKD,GAGnE,OAAOf,G,EAGTiB,oBAAA,SAAqBN,EAAaH,GAChCA,EAAgB,IAAIlW,WAAWkW,GAE/B,IADA,IAAIQ,EAAW,EACND,EAAY,GAAIA,GAAaJ,EAAYhY,OAAS,GAAIoY,GAAa,IAAKC,GAAY,GAC3FL,EAAYvD,IAAIoD,EAAcxX,SAASgY,EAAUA,EAAW,IAAKD,GAGnE,OAAOJ,G,EAGTO,iBAAA,SAAkB/G,EAAS+F,EAAaiB,EAAWrK,EAAUsJ,EAASD,GACpE,IAAIQ,EAAcve,KAAKyd,WAAWO,EAAQ3X,MACtCuX,EAAgB5d,KAAKse,oBAAoBC,GACzCJ,EAAYne,KAEhBA,KAAK2d,cAAcC,EAAclV,QAAQ,SAAU0V,GACjDJ,EAAQ3X,KAAO8X,EAAUU,oBAAoBN,EAAaH,GAErDL,GACHI,EAAUa,kBAAkBjH,EAAS+F,EAAaiB,EAAY,EAAGrK,O,EAKvEsK,kBAAA,SAAmBjH,EAAS+F,EAAaiB,EAAWrK,GAClD,MAAQoJ,IAAeiB,EAAY,EAAG,CACpC,GAAIjB,GAAe/F,EAAQxR,OAEzB,YADAmO,IAKF,IADA,IAAIuK,EAAWlH,EAAQ+F,GAAaoB,QAE9BH,GAAaE,EAAS1Y,QADpBwY,IAAa,CAKnB,IAAIf,EAAUiB,EAASF,GACvB,KAAIf,EAAQzX,QAAU,IAAwB,IAAjByX,EAAQzc,MAA+B,IAAjByc,EAAQzc,MAA3D,CAIA,IAAIwc,EAAO/d,KAAK0d,UAAUlJ,SAI1B,GAFAxU,KAAK8e,iBAAiB/G,EAAS+F,EAAaiB,EAAWrK,EAAUsJ,EAASD,IAErEA,EACH,W,KCvFJoB,EAAuB,CAC3BC,MAAO,EACPC,MAAO,EACPC,IAAK,EACLzW,KAAM,GAwiCO0W,E,WApiCb,WAAatL,EAAUiE,EAAShE,EAAQsL,GACtCxf,KAAKiU,SAAWA,EAChBjU,KAAKkU,OAASA,EACdlU,KAAKwf,cAAgBA,EACrBxf,KAAKkY,QAAUA,EACflY,KAAKyf,UAAY,K,2BAGnBC,eAAA,SAAgBlC,GACM,MAAfA,GAA4C,MAAnBA,EAAYnd,KAAwC,eAAvBmd,EAAYmC,OACrE3f,KAAKyf,UAAY,IAAIlC,EAAmBvd,KAAKiU,SAAUjU,KAAKkU,OAAQsJ,EAAaxd,KAAKyd,YAEtFzd,KAAKyf,UAAY,M,EAId3J,MAAP,SAAczP,GACZ,IAAMuZ,EAAaL,EAAUM,YAAYxZ,GACzC,QAAIuZ,EAAa,KAGXA,GACFtd,IAAOpB,KAAP,wDAAoE0e,EAApE,mBAGK,I,EAIJC,YAAP,SAAoBxZ,GAIlB,IAFA,IAAMyZ,EAAazX,KAAK0S,IAAI,IAAM1U,EAAKE,OAAS,KAC5CU,EAAI,EACDA,EAAI6Y,GAAY,CAErB,GAAgB,KAAZzZ,EAAKY,IAAiC,KAAlBZ,EAAKY,EAAI,MAAuC,KAAtBZ,EAAKY,EAAI,KACzD,OAAOA,EAEPA,IAGJ,OAAQ,G,EAUH8Y,YAAP,SAAoBxe,EAAM+W,GACxB,MAAO,CACLE,UAAoB,UAATjX,GAA6B,UAATA,EAAmB,kBAAeoN,EACjEpN,OACAkX,GAAI0G,EAAqB5d,GACzBye,KAAM,EACNpH,eAAgB,IAChBF,eAAgB,EAChBX,QAAS,GACTkI,QAAkB,UAAT1e,EAAmB,OAAIoN,EAChCgK,MAAgB,UAATpX,QAA0BoN,EACjC2J,SAAmB,UAAT/W,EAAmB+W,OAAW3J,I,EAc5CwJ,iBAAA,SAAkBC,EAAajC,EAAYkC,EAAYC,GACrDtY,KAAKkgB,WAAY,EACjBlgB,KAAKmgB,QAAU,EAEfngB,KAAKogB,UAAYb,EAAUQ,YAAY,QAASzH,GAChDtY,KAAKuY,YAAcgH,EAAUQ,YAAY,QAASzH,GAClDtY,KAAKqgB,UAAYd,EAAUQ,YAAY,MAAOzH,GAC9CtY,KAAKsgB,UAAYf,EAAUQ,YAAY,OAAQzH,GAG/CtY,KAAKugB,YAAc,KACnBvgB,KAAKwgB,WAAa,KAClBxgB,KAAKygB,UAAY,KACjBzgB,KAAKmW,WAAaA,EAClBnW,KAAKqY,WAAaA,EAClBrY,KAAK0gB,UAAYpI,G,EAOnBO,eAAA,a,EAGAE,OAAA,SAAQ1S,EAAM2S,EAAYC,EAAYC,GACpC,IAAIyH,EAA0BC,EAAKZ,EAAU1Z,EAAQua,EAA1ClX,EAAMtD,EAAKE,OACpBua,GAAc,EAChB9gB,KAAKiZ,WAAaA,EAClB,IAAIiH,EAAYlgB,KAAKkgB,UACnBa,EAAW/gB,KAAKogB,UAChBY,EAAahhB,KAAKuY,YAClB0I,EAAWjhB,KAAKqgB,UAChBa,EAAQH,EAASf,IACjBmB,EAAUH,EAAWhB,IACrBoB,EAAQH,EAASjB,IACjBqB,EAAQrhB,KAAKmgB,OACbmB,EAAUP,EAASQ,QACnBC,EAAYR,EAAWO,QACvB/Z,EAAUyZ,EAASM,QACnBE,EAAWzhB,KAAK0hB,UAChBC,EAAW3hB,KAAK4hB,UAChBC,EAAW7hB,KAAK8hB,UAChBC,EAAc/hB,KAAKgiB,aAAa1hB,KAAKN,MACrCiiB,EAAcjiB,KAAKkiB,aAAa5hB,KAAKN,MACrCmiB,EAAeniB,KAAKoiB,cAAc9hB,KAAKN,MACvCqiB,EAAcriB,KAAKsiB,aAAahiB,KAAKN,MAEjC4f,EAAaL,EAAUM,YAAYxZ,GAMzC,IAHAsD,IAAQA,EAAMiW,GAAc,IAGvBe,EAAQf,EAAYe,EAAQhX,EAAKgX,GAAS,IAC7C,GAAoB,KAAhBta,EAAKsa,GAAiB,CAMxB,GALAC,KAA2B,GAAlBva,EAAKsa,EAAQ,IAEtBX,IAA0B,GAAlB3Z,EAAKsa,EAAQ,KAAc,GAAKta,EAAKsa,EAAQ,IAC5B,GAAlBta,EAAKsa,EAAQ,KAAc,EAExB,GAGR,IAFAra,EAASqa,EAAQ,EAAIta,EAAKsa,EAAQ,MAElBA,EAAQ,IACtB,cAGFra,EAASqa,EAAQ,EAEnB,OAAQX,GACR,KAAKkB,EACCN,IACEU,IAAYT,EAAMgB,EAASP,KAC7BS,EAAYlB,GAAK,GAGnBS,EAAU,CAAEjb,KAAM,GAAIQ,KAAM,IAE1Bya,IACFA,EAAQjb,KAAKuB,KAAKvB,EAAKO,SAASN,EAAQqa,EAAQ,MAChDW,EAAQza,MAAQ8Z,EAAQ,IAAMra,GAEhC,MACF,KAAK6a,EACCP,IACEY,IAAcX,EAAMgB,EAASL,MAC3BR,EAAWrI,MACbsJ,EAAYpB,GAEZsB,EAAatB,IAGjBW,EAAY,CAAEnb,KAAM,GAAIQ,KAAM,IAE5B2a,IACFA,EAAUnb,KAAKuB,KAAKvB,EAAKO,SAASN,EAAQqa,EAAQ,MAClDa,EAAU3a,MAAQ8Z,EAAQ,IAAMra,GAElC,MACF,KAAK8a,EACCR,IACEpZ,IAAYqZ,EAAMgB,EAASra,KAC7B6a,EAAYxB,GAGdrZ,EAAU,CAAEnB,KAAM,GAAIQ,KAAM,IAE1BW,IACFA,EAAQnB,KAAKuB,KAAKvB,EAAKO,SAASN,EAAQqa,EAAQ,MAChDnZ,EAAQX,MAAQ8Z,EAAQ,IAAMra,GAEhC,MACF,KAAK,EACCsa,IACFta,GAAUD,EAAKC,GAAU,GAG3B+a,EAAQrhB,KAAKmgB,OAASsB,EAASpb,EAAMC,GACrC,MACF,KAAK+a,EACCT,IACFta,GAAUD,EAAKC,GAAU,GAG3B,IAAIic,EAAaZ,EAAStb,EAAMC,GAAoC,IAA5BtG,KAAKwf,cAAcgD,OAA4C,IAA3BxiB,KAAKwf,cAAciD,IAAgC,MAAlBziB,KAAKyf,YAQlHyB,EAAQqB,EAAWG,KACP,IACV3B,EAASf,IAAMkB,IAGjBC,EAAUoB,EAAWlD,OACP,IACZ2B,EAAWhB,IAAMmB,EACjBH,EAAWrI,MAAQ4J,EAAW5J,QAEhCyI,EAAQmB,EAAWjD,KACP,IACV2B,EAASjB,IAAMoB,GAGbN,IAAgBZ,IAClB5d,IAAOrB,IAAI,0BACX6f,GAAc,EAEdH,EAAQf,EAAa,KAEvBM,EAAYlgB,KAAKkgB,WAAY,EAC7B,MACF,KAAK,GACL,KAAK,KACH,MACF,QACEY,GAAc,QAIhB9gB,KAAKiU,SAASmB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAWyP,YAAaC,QAASzP,IAAamR,mBAAoBxB,OAAO,EAAOC,OAAQ,sCAInI4L,IAAYT,EAAMgB,EAASP,KAC7BS,EAAYlB,GAAK,GACjBE,EAASQ,QAAU,MAGnBR,EAASQ,QAAUD,EAGjBE,IAAcX,EAAMgB,EAASL,KAC3BR,EAAWrI,MACbsJ,EAAYpB,GAEZsB,EAAatB,GAGfG,EAAWO,QAAU,OAEjBC,GAAaA,EAAU3a,MACzBvE,IAAOrB,IAAI,iEAIb+f,EAAWO,QAAUC,GAGnBha,IAAYqZ,EAAMgB,EAASra,KAC7B6a,EAAYxB,GACZI,EAASM,QAAU,MAGnBN,EAASM,QAAU/Z,EAGC,MAAlBxH,KAAKyf,UACPzf,KAAKkY,QAAQkB,MAAM4H,EAAYD,EAAUE,EAAUjhB,KAAKsgB,UAAWtH,EAAYC,EAAYC,GAE3FlZ,KAAK2iB,gBAAgB3B,EAAYD,EAAUE,EAAUjhB,KAAKsgB,UAAWtH,EAAYC,EAAYC,I,EAIjGyJ,gBAAA,SAAiB3B,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,GACpF,GAAI8H,EAAWjJ,SAAWiJ,EAAWrI,MAAO,CAC1C,IAAIwF,EAAYne,KAChBA,KAAKyf,UAAUpB,kBAAkB2C,EAAWjJ,QAAS,GAAG,WACtDoG,EAAU2E,mBAAmB9B,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,WAGpGlZ,KAAK8iB,mBAAmB9B,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,I,EAIjG4J,mBAAA,SAAoB9B,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,GACvF,GAAI0J,EAAW7K,QAAS,CACtB,IAAIoG,EAAYne,KAChBA,KAAKyf,UAAUT,kBAAkB4D,EAAW7K,QAAS,EAAG,GAAG,WACzDoG,EAAUjG,QAAQkB,MAAM4H,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,WAG/FlZ,KAAKkY,QAAQkB,MAAM4H,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,I,EAI5FnF,QAAA,WACE/T,KAAK+iB,SAAW/iB,KAAKgjB,cAAWrU,EAChC3O,KAAK0gB,UAAY,G,EAGnBgB,UAAA,SAAWrb,EAAMC,GAEf,OAA4B,GAApBD,EAAKC,EAAS,MAAe,EAAID,EAAKC,EAAS,K,EAIzDsb,UAAA,SAAWvb,EAAMC,EAAQ2c,EAAeC,GACtC,IAAmBC,EAA6BnD,EAAK9K,EAAS,CAAEmK,OAAQ,EAAGqD,KAAM,EAAGpD,KAAM,EAAG3G,OAAO,GAQpG,IANAwK,EAAW7c,EAAS,IADgB,GAAnBD,EAAKC,EAAS,KAAc,EAAID,EAAKC,EAAS,IACvB,EAKxCA,GAAU,KAF+B,GAApBD,EAAKC,EAAS,MAAe,EAAID,EAAKC,EAAS,KAG7DA,EAAS6c,GAAU,CAExB,OADAnD,GAA0B,GAAnB3Z,EAAKC,EAAS,KAAc,EAAID,EAAKC,EAAS,GAC7CD,EAAKC,IACb,KAAK,IACH,IAAK4c,EAAa,CAChB5gB,IAAOrB,IAAI,uBAAyBoF,EAAKC,IACzC,MAKJ,KAAK,IAEmB,IAAlB4O,EAAOmK,QACTnK,EAAOmK,MAAQW,GAGjB,MAGF,KAAK,IAEiB,IAAhB9K,EAAOoK,MACTpK,EAAOoK,IAAMU,GAGf,MAEF,KAAK,IACH,IAAKkD,EAAa,CAChB5gB,IAAOrB,IAAI,uBAAyBoF,EAAKC,IACzC,MAKJ,KAAK,IAEiB,IAAhB4O,EAAOwN,MACTxN,EAAOwN,IAAM1C,GAGf,MAIF,KAAK,EACL,KAAK,EAEEiD,GAEwB,IAAlB/N,EAAOmK,QAChBnK,EAAOmK,MAAQW,EACf9K,EAAOyD,OAAQ,GAHfrW,IAAOrB,IAAI,2DAKb,MAEF,KAAK,GACHqB,IAAOpB,KAAK,iDACZ,MAEF,QACEoB,IAAOrB,IAAI,uBAAyBoF,EAAKC,IAK3CA,GAAgE,IAAjC,GAAnBD,EAAKC,EAAS,KAAc,EAAID,EAAKC,EAAS,IAE5D,OAAO4O,G,EAGT4M,UAAA,SAAWsB,GACT,IAAWC,EAAMC,EAAqBC,EAAQC,EAAWjC,EAASkC,EAAQC,EAAQC,EAA9E1c,EAAI,EAA8FZ,EAAO+c,EAAO/c,KAEpH,IAAK+c,GAA0B,IAAhBA,EAAOvc,KACpB,OAAO,KAMT,KAAOR,EAAK,GAAGE,OAAS,IAAMF,EAAKE,OAAS,GAAG,CAC7C,IAAIqd,EAAU,IAAI1b,WAAW7B,EAAK,GAAGE,OAASF,EAAK,GAAGE,QACtDqd,EAAQ5I,IAAI3U,EAAK,IACjBud,EAAQ5I,IAAI3U,EAAK,GAAIA,EAAK,GAAGE,QAC7BF,EAAK,GAAKud,EACVvd,EAAKwd,OAAO,EAAG,GAKjB,GAAkB,MAFlBR,EAAOhd,EAAK,IACM,IAAM,KAAOgd,EAAK,IAAM,GAAKA,EAAK,GAC/B,CAInB,IAHAE,GAAUF,EAAK,IAAM,GAAKA,EAAK,KAGjBE,EAASH,EAAOvc,KAAO,EACnC,OAAO,KAyCT,GArCe,KADfyc,EAAWD,EAAK,OAKdI,EAA4B,WAAR,GAAVJ,EAAK,IACO,SAAR,IAAXA,EAAK,KACc,OAAR,IAAXA,EAAK,KACc,KAAR,IAAXA,EAAK,MACM,IAAXA,EAAK,KAAc,GAET,aAEXI,GAAU,YAEG,GAAXH,IACFI,EAA6B,WAAR,GAAXL,EAAK,KACO,SAAR,IAAXA,EAAK,KACc,OAAR,IAAXA,EAAK,KACc,KAAR,IAAXA,EAAK,MACM,IAAXA,EAAK,KAAc,GAET,aAEXK,GAAU,YAERD,EAASC,EAAS,OACpBphB,IAAOpB,KAAQmH,KAAKC,OAAOmb,EAASC,GAAU,KAA9C,2CACAD,EAASC,IAGXA,EAASD,GAKbE,GAFAH,EAAYH,EAAK,IAEgB,EAE7BD,EAAOvc,MAAQ8c,EACjB,OAAO,KAETP,EAAOvc,MAAQ8c,EAEfpC,EAAU,IAAIrZ,WAAWkb,EAAOvc,MAChC,IAAK,IAAI+H,EAAI,EAAGkV,EAAUzd,EAAKE,OAAQqI,EAAIkV,EAASlV,IAAK,CAEvD,IAAIjF,GADJ0Z,EAAOhd,EAAKuI,IACG3G,WACf,GAAI0b,EAAoB,CACtB,GAAIA,EAAqBha,EAAK,CAE5Bga,GAAsBha,EACtB,SAGA0Z,EAAOA,EAAKzc,SAAS+c,GACrBha,GAAOga,EACPA,EAAqB,EAGzBpC,EAAQvG,IAAIqI,EAAMpc,GAClBA,GAAK0C,EAMP,OAJI4Z,IAEFA,GAAUC,EAAY,GAEjB,CAAEnd,KAAMkb,EAASlK,IAAKoM,EAAQ3L,IAAK4L,EAAQ/Z,IAAK4Z,GAEvD,OAAO,M,EAIXQ,cAAA,SAAetD,EAAWM,GACxB,GAAIN,EAAUvB,MAAM3Y,QAAUka,EAAUvZ,MAAO,CAC7C,IAAM6Q,EAAUgJ,EAAShJ,QACnBiM,EAAYjM,EAAQxR,OAE1B,GAAI0d,MAAMxD,EAAUpJ,KAAM,CACxB,IAAI2M,EAOF,YADAjD,EAASd,UALT,IAAMiE,EAAanM,EAAQiM,EAAY,GACvCvD,EAAUpJ,IAAM6M,EAAW7M,IAC3BoJ,EAAU3I,IAAMoM,EAAWpM,KAW1B9X,KAAKkU,OAAOiQ,+BACK,IAAlB1D,EAAUpgB,KACT0gB,EAASqD,MAAQJ,GAAahkB,KAAKiZ,aACtCwH,EAAUhI,GAAKuL,EACfjM,EAAQnQ,KAAK6Y,IAGbM,EAASd,UAGTQ,EAAUzf,MAAMuF,QAClBjE,IAAOrB,IAAIwf,EAAUpJ,IAAM,IAAMoJ,EAAU3I,IAAM,IAAM2I,EAAUzf,Q,EAIrEghB,aAAA,SAAcnB,EAAKwD,GAAM,IAKrBC,EAEA1c,EAEAX,EATqB,OAEnBiP,EAAQlW,KAAKogB,UACflB,EAAQlf,KAAKukB,cAAc1D,EAAIxa,MAG/Boa,EAAYzgB,KAAKygB,UAEjB+D,GAAW,EAEXT,EAAgB/jB,KAAK+jB,cAAczjB,KAAKN,MACxCykB,EAAkB,SAAUpkB,EAAKgX,EAAKS,EAAK9W,GACzC,MAAO,CAAEX,IAAKA,EAAKgX,IAAKA,EAAKS,IAAKA,EAAKoH,MAAO,GAAIle,MAAOA,IAG7D6f,EAAIxa,KAAO,KAIPoa,GAAavB,EAAM3Y,SAAW2P,EAAMwO,WACtCX,EAActD,EAAWvK,GACzBuK,EAAYzgB,KAAKygB,UAAYgE,GAAgB,EAAO5D,EAAIxJ,IAAKwJ,EAAI/I,IAAK,KAGxEoH,EAAM/c,SAAQ,SAAA0V,GACZ,OAAQA,EAAKtW,MAEb,KAAK,EACHqG,GAAO,EACF6Y,IACHA,EAAY,EAAKA,UAAYgE,GAAgB,EAAM5D,EAAIxJ,IAAKwJ,EAAI/I,IAAK,KAOvE2I,EAAUvZ,OAAQ,EAClB,IAAIb,EAAOwR,EAAKxR,KAEhB,GAAIme,GAAYne,EAAKE,OAAS,EAAG,CAE/B,IAAIoe,EAAY,IAAInK,EAAUnU,GAAMiX,gBAMlB,IAAdqH,GAAiC,IAAdA,GAAiC,IAAdA,GAAiC,IAAdA,IAC3DlE,EAAUpgB,KAAM,GAGpB,MAEF,KAAK,EACHuH,GAAO,EAEF6Y,IACHA,EAAY,EAAKA,UAAYgE,GAAgB,EAAM5D,EAAIxJ,IAAKwJ,EAAI/I,IAAK,KAOvE2I,EAAUpgB,KAAM,EAChBogB,EAAUvZ,OAAQ,EAClB,MAEF,KAAK,EACHU,GAAO,GAKP0c,EAAmB,IAAI9J,EAAU,EAAKiD,WAAW5F,EAAKxR,QAGrC0V,YAOjB,IALA,IAAI6I,EAAc,EACdC,EAAc,EACdC,GAAgB,EAChBC,EAAI,GAEAD,GAAiBR,EAAiB7J,eAAiB,GAAG,CAC5DmK,EAAc,EACd,GAEEA,GADAG,EAAIT,EAAiBvI,kBAER,MAANgJ,GAGTF,EAAc,EACd,GAEEA,GADAE,EAAIT,EAAiBvI,kBAER,MAANgJ,GAIT,GAAoB,IAAhBH,GAAyD,IAApCN,EAAiB7J,gBAKxC,GAJAqK,GAAgB,EAII,MAFFR,EAAiBvI,YAKjC,GAAqB,KAFFuI,EAAiBtI,aAKlC,GAAsB,aAFFsI,EAAiBrI,WAMnC,GAAqB,IAHFqI,EAAiBvI,YAGZ,CACtB,IAAIiJ,EAAYV,EAAiBvI,YAG7BkJ,EAAW,GAAKD,EAChBE,EAAY,CAACF,EAHAV,EAAiBvI,aAKlC,IAAK9U,EAAI,EAAGA,EAAIge,EAAUhe,IAExBie,EAAUtd,KAAK0c,EAAiBvI,aAChCmJ,EAAUtd,KAAK0c,EAAiBvI,aAChCmJ,EAAUtd,KAAK0c,EAAiBvI,aAGlC,EAAKoJ,qBAAqB,EAAK7E,UAAUvI,QAAS,CAAExW,KAAM,EAAG8V,IAAKwJ,EAAIxJ,IAAK+N,MAAOF,UAKrF,GAAoB,IAAhBN,GAAyD,IAApCN,EAAiB7J,gBAG/C,GAFAqK,GAAgB,EAEZD,EAAc,GAAI,CACpB,IAAMQ,EAAe,GACrB,IAAKpe,EAAI,EAAGA,EAAI,GAAIA,IAClBoe,EAAazd,KAAK0c,EAAiBvI,YAAYuJ,SAAS,KAE9C,IAANre,GAAiB,IAANA,GAAiB,IAANA,GAAiB,IAANA,GACnCoe,EAAazd,KAAK,KAGtB,IAAMrB,EAASse,EAAc,GACvBU,EAAuB,IAAIrd,WAAW3B,GAC5C,IAAKU,EAAI,EAAGA,EAAIV,EAAQU,IACtBse,EAAqBte,GAAKqd,EAAiBvI,YAG7C,EAAKoJ,qBAAqB,EAAK7E,UAAUvI,QAAS,CAChDV,IAAKwJ,EAAIxJ,IACTuN,YAAaA,EACbY,KAAMH,EAAanZ,KAAK,IACxBuZ,cAAeF,EACfG,SAAU5b,YAAeyb,EAAqB7c,gBAG7C,GAAImc,EAAcP,EAAiB7J,eACxC,IAAKxT,EAAI,EAAGA,EAAI4d,EAAa5d,IAC3Bqd,EAAiBvI,YAIvB,MAEF,KAAK,EAOH,GANAnU,GAAO,EACP4c,GAAW,GAKNtO,EAAMkO,IAAK,CAEd,IAAIlQ,GADJoQ,EAAmB,IAAI9J,EAAU3C,EAAKxR,OACRgW,UAC9BnG,EAAMiH,MAAQjJ,EAAOiJ,MACrBjH,EAAMmH,OAASnJ,EAAOmJ,OACtBnH,EAAMgH,WAAahJ,EAAOgJ,WAC1BhH,EAAMkO,IAAM,CAACvM,EAAKxR,MAClB6P,EAAMoC,SAAW,EAAKoI,UACtB,IAAIiF,EAAa9N,EAAKxR,KAAKO,SAAS,EAAG,GACnCgf,EAAc,QAClB,IAAK3e,EAAI,EAAGA,EAAI,EAAGA,IAAK,CACtB,IAAI4e,EAAIF,EAAW1e,GAAGqe,SAAS,IAC3BO,EAAEtf,OAAS,IACbsf,EAAI,IAAMA,GAGZD,GAAeC,EAEjB3P,EAAMc,MAAQ4O,EAEhB,MAEF,KAAK,EACHhe,GAAO,EAKFsO,EAAM4P,MACT5P,EAAM4P,IAAM,CAACjO,EAAKxR,OAGpB,MAEF,KAAK,EACHuB,GAAO,EACPsO,EAAMwO,UAAW,EACbjE,GACFsD,EAActD,EAAWvK,GAG3BuK,EAAY,EAAKA,UAAYgE,GAAgB,EAAO5D,EAAIxJ,IAAKwJ,EAAI/I,IAAsB,IACvF,MAEF,KAAK,GACHlQ,GAAO,EACP,MACF,QACEA,GAAO,EACH6Y,IACFA,EAAUzf,OAAS,eAAiB6W,EAAKtW,KAAO,KAKhDkf,GAAa7Y,GACH6Y,EAAUvB,MAChBtX,KAAKiQ,MAIXwM,GAAQ5D,IACVsD,EAActD,EAAWvK,GACzBlW,KAAKygB,UAAY,O,EAIrB0E,qBAAA,SAAsBY,EAAK1f,GACzB,IAAIsD,EAAMoc,EAAIxf,OACd,GAAIoD,EAAM,GACR,GAAItD,EAAKgR,KAAO0O,EAAIpc,EAAM,GAAG0N,IAC3B0O,EAAIne,KAAKvB,QAET,IAAK,IAAI2f,EAAMrc,EAAM,EAAGqc,GAAO,EAAGA,IAChC,GAAI3f,EAAKgR,IAAM0O,EAAIC,GAAK3O,IAAK,CAC3B0O,EAAIlC,OAAOmC,EAAK,EAAG3f,GACnB,YAKN0f,EAAIne,KAAKvB,I,EAIb4f,gBAAA,WACE,IAAgCC,EAA5BzF,EAAYzgB,KAAKygB,UAErB,IAAKA,GAAwC,IAA3BA,EAAUvB,MAAM3Y,OAAc,CAC9C,IAA4BwR,EAAhB/X,KAAKogB,UAA2BrI,QAC5C0I,EAAY1I,EAAQA,EAAQxR,OAAS,GAEvC,GAAIka,EAAW,CACb,IAAIvB,EAAQuB,EAAUvB,MACtBgH,EAAWhH,EAAMA,EAAM3Y,OAAS,GAElC,OAAO2f,G,EAGT3B,cAAA,SAAexb,GACb,IAAmC3I,EAAO+lB,EAC1BtO,EAAoCuO,EADhDnf,EAAI,EAAG0C,EAAMZ,EAAMd,WAA6BiO,EAAQlW,KAAKogB,UAAWiG,EAAQnQ,EAAMoQ,WAAa,EAAGC,EAAYF,EAClHnH,EAAQ,GAAoBsH,GAAiB,EAYjD,KATe,IAAXH,IAEFG,EAAgB,EAEhBJ,EAA0B,GAAXrd,EAAM,GACrBsd,EAAQ,EACRpf,EAAI,GAGCA,EAAI0C,GAGT,GAFAvJ,EAAQ2I,EAAM9B,KAETof,EAIL,GAAc,IAAVA,EAKJ,GAAKjmB,EAEE,GAAc,IAAVA,EAAa,CACtB,GAAIomB,GAAiB,EACnB3O,EAAO,CAAExR,KAAM0C,EAAMnC,SAAS4f,EAAevf,EAAIof,EAAQ,GAAI9kB,KAAM6kB,GAEnElH,EAAMtX,KAAKiQ,OACN,CAKL,IAAIqO,EAAWlmB,KAAKimB,kBACpB,GAAIC,IACEK,GAActf,GAAK,EAAIsf,GAIrBL,EAASG,QAEXH,EAAS7f,KAAO6f,EAAS7f,KAAKO,SAAS,EAAGsf,EAAS7f,KAAK4B,WAAase,KAIzEJ,EAAWlf,EAAIof,EAAQ,GACR,GAAG,CAEhB,IAAII,EAAM,IAAIve,WAAWge,EAAS7f,KAAK4B,WAAake,GACpDM,EAAIzL,IAAIkL,EAAS7f,KAAM,GACvBogB,EAAIzL,IAAIjS,EAAMnC,SAAS,EAAGuf,GAAWD,EAAS7f,KAAK4B,YACnDie,EAAS7f,KAAOogB,GAKlBxf,EAAI0C,GAGN6c,EAAgBvf,EAChBmf,EAHsB,GAAXrd,EAAM9B,GAIjBof,EAAQ,GAGRA,GAAS,OAGXA,EAAQ,OA7CRA,EAAQ,OALRA,EAAQjmB,EAAQ,EAAI,OAJpBimB,EAAQjmB,EAAQ,EAAI,EA+DxB,GANIomB,GAAiB,GAAKH,GAAS,IACjCxO,EAAO,CAAExR,KAAM0C,EAAMnC,SAAS4f,EAAe7c,GAAMpI,KAAM6kB,EAAcC,MAAOA,GAC9EnH,EAAMtX,KAAKiQ,IAIQ,IAAjBqH,EAAM3Y,OAAc,CAEtB,IAAI2f,EAAWlmB,KAAKimB,kBACpB,GAAIC,EAAU,CACZ,IAAIO,EAAM,IAAIve,WAAWge,EAAS7f,KAAK4B,WAAac,EAAMd,YAC1Dwe,EAAIzL,IAAIkL,EAAS7f,KAAM,GACvBogB,EAAIzL,IAAIjS,EAAOmd,EAAS7f,KAAK4B,YAC7Bie,EAAS7f,KAAOogB,GAIpB,OADAvQ,EAAMoQ,UAAYD,EACXnH,G,EAMTzB,WAAA,SAAYpX,GAOV,IANA,IAGEqgB,EAAW9C,EAHTrd,EAASF,EAAK4B,WAChB0e,EAAe,GACf1f,EAAI,EAICA,EAAIV,EAAS,GACF,IAAZF,EAAKY,IACW,IAAhBZ,EAAKY,EAAI,IACO,IAAhBZ,EAAKY,EAAI,IACX0f,EAAa/e,KAAKX,EAAI,GACtBA,GAAK,GAELA,IAMJ,GAA4B,IAAxB0f,EAAapgB,OACf,OAAOF,EAITqgB,EAAYngB,EAASogB,EAAapgB,OAClCqd,EAAU,IAAI1b,WAAWwe,GACzB,IAAIE,EAAc,EAElB,IAAK3f,EAAI,EAAGA,EAAIyf,EAAWE,IAAe3f,IACpC2f,IAAgBD,EAAa,KAE/BC,IAEAD,EAAaE,SAEfjD,EAAQ3c,GAAKZ,EAAKugB,GAEpB,OAAOhD,G,EAGT1B,aAAA,SAAcrB,GACZ,IAMErJ,EAAeF,EAAYhR,EAAQoR,EAAO/N,EAgBtC+L,EAAQD,EAtBVS,EAAQlW,KAAKuY,YACflS,EAAOwa,EAAIxa,KACXgR,EAAMwJ,EAAIxJ,IAEVkJ,EAAcvgB,KAAKugB,YACnBC,EAAaxgB,KAAKwgB,WAEpB,GAAID,EAAa,CACf,IAAIkG,EAAM,IAAIve,WAAWqY,EAAYtY,WAAa5B,EAAK4B,YACvDwe,EAAIzL,IAAIuF,EAAa,GACrBkG,EAAIzL,IAAI3U,EAAMka,EAAYtY,YAE1B5B,EAAOogB,EAGT,IAAKngB,EAZW,EAYWqD,EAAMtD,EAAKE,OAAQD,EAASqD,EAAM,IACvDmP,EAAczS,EAAMC,GADsCA,KAMhE,GAAIA,IAEEA,EAASqD,EAAM,GACjB+L,EAAS,iDAAiDpP,EAC1DmP,GAAQ,IAERC,EAAS,kCACTD,GAAQ,GAEVnT,IAAOpB,KAAP,iBAA6BwU,GAC7B1V,KAAKiU,SAASmB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAWyP,YAAaC,QAASzP,IAAamR,mBAAoBxB,MAAOA,EAAOC,OAAQA,IAC/HD,GACF,OAUJ,GANAqD,EAAqB5C,EAAOlW,KAAKiU,SAAU5N,EAAMC,EAAQtG,KAAKmW,YAC9DmB,EAAa,EACbE,EAAgBsB,EAAsB5C,EAAME,YAIxCmK,GAAeC,EAAY,CAC7B,IAAIsG,EAAStG,EAAahJ,EACtBnP,KAAK0e,IAAID,EAASzP,GAAO,IAC3B/U,IAAOrB,IAAP,4CAAuDoH,KAAKC,OAAOwe,EAASzP,GAAO,KACnFA,EAAMyP,GAKV,KAAOxgB,EAASqD,GAAK,CACnB,GAAImP,EAAczS,EAAMC,GAAS,CAC/B,GAAKA,EAAS,EAAKqD,EAAK,CACtB,IAAMzC,EAAQ4R,EAAiB5C,EAAO7P,EAAMC,EAAQ+Q,EAAKC,GACzD,GAAIpQ,EAAO,CACTZ,GAAUY,EAAMX,OAChBmR,EAAQxQ,EAAM8Q,OAAOX,IACrBC,IACA,UAKJ,MAGAhR,IAKFia,EADEja,EAASqD,EACGtD,EAAKO,SAASN,EAAQqD,GAGtB,KAGhB3J,KAAKugB,YAAcA,EACnBvgB,KAAKwgB,WAAa9I,G,EAGpB0K,cAAA,SAAevB,GAOb,IANA,IAAIxa,EAAOwa,EAAIxa,KACXE,EAASF,EAAKE,OACd+Q,EAAa,EACbhR,EAAS,EACT+Q,EAAMwJ,EAAIxJ,IAEP/Q,EAASC,GACd,GAAI8S,EAAUjT,SAASC,EAAMC,GAAS,CACpC,IAAIY,EAAQmS,EAAUjC,YAAYpX,KAAKuY,YAAalS,EAAMC,EAAQ+Q,EAAKC,GACvE,IAAIpQ,EAKF,MAJAZ,GAAUY,EAAMX,OAChB+Q,SAOFhR,K,EAKNgc,aAAA,SAAczB,GACZ7gB,KAAKqgB,UAAUtI,QAAQnQ,KAAKiZ,I,KCh/BjBmG,E,WA7Eb,WAAa/S,EAAUiE,EAAShE,GAC9BlU,KAAKiU,SAAWA,EAChBjU,KAAKkU,OAASA,EACdlU,KAAKkY,QAAUA,E,2BAGjBC,iBAAA,SAAkBC,EAAajC,EAAYkC,EAAYC,GACrDtY,KAAKuY,YAAc,CAAEC,UAAW,aAAcjX,KAAM,QAASkX,IAAK,EAAGC,eAAgB,EAAGC,OAAO,EAAOZ,QAAS,GAAIpO,IAAK,EAAGiN,cAAeT,EAAYmC,SAAUA,EAAUM,eAAgB,M,EAG5LC,eAAA,a,EAGO/C,MAAP,SAAczP,GAEZ,IAAIC,EAAQC,EACRiB,EAAUrB,IAAIM,WAAWJ,EAAM,GACnC,GAAImB,QAAyCmH,IAA9BxI,IAAIW,aAAaU,GAI9B,IAAKlB,EAASkB,EAAQjB,OAAQA,EAAS8B,KAAK0S,IAAI1U,EAAKE,OAAS,EAAGD,EAAS,KAAMA,EAASC,EAAQD,IAC/F,GAAI+S,EAAUvD,MAAMzP,EAAMC,GAExB,OADAhE,IAAOrB,IAAI,iCACJ,EAIb,OAAO,G,EAIT8X,OAAA,SAAQ1S,EAAM2S,EAAYC,EAAYC,GAWpC,IAVA,IAAI1R,EAAUrB,IAAIM,WAAWJ,EAAM,GAC/B+B,EAAYjC,IAAIW,aAAaU,GAC7B6P,EAAMjP,EAAY,GAAKA,EAAyB,IAAb4Q,EACnC1S,EAASkB,EAAQjB,OACjBA,EAASF,EAAKE,OACd+Q,EAAa,EAAGI,EAAQ,EACxBxB,EAAQlW,KAAKuY,YAEbY,EAAa,CAAC,CAAE9B,IAAKA,EAAKS,IAAKT,EAAKhR,KAAMmB,IAEvClB,EAASC,GACd,GAAI8S,EAAUjT,SAASC,EAAMC,GAAS,CACpC,IAAIY,EAAQmS,EAAUjC,YAAYlB,EAAO7P,EAAMC,EAAQ+Q,EAAKC,GAC5D,IAAIpQ,EAMF,MALAZ,GAAUY,EAAMX,OAChBmR,EAAQxQ,EAAM8Q,OAAOX,IACrBC,SAKOnR,IAAIC,SAASC,EAAMC,IAC5BkB,EAAUrB,IAAIM,WAAWJ,EAAMC,GAC/B6S,EAAWvR,KAAK,CAAEyP,IAAKK,EAAOI,IAAKJ,EAAOrR,KAAMmB,IAChDlB,GAAUkB,EAAQjB,QAGlBD,IAIJtG,KAAKkY,QAAQkB,MAAMlD,EACjB,CAAE6B,QAAS,IACX,CAAEA,QAASoB,EAAYP,eAAgB,KACvC,CAAEb,QAAS,IACXiB,EACAC,EACAC,I,EAGJnF,QAAA,a,KCxCakT,E,kCApCNC,eAAP,SAAuBlQ,EAAOD,GAC5B,OAAQC,GACR,IAAK,YACH,GAAqB,IAAjBD,EACF,OAAO,IAAI7O,WAAW,CAAC,EAAM,IAAM,EAAM,IAAM,GAAM,MAChD,GAAqB,IAAjB6O,EACT,OAAO,IAAI7O,WAAW,CAAC,GAAM,EAAM,GAAM,IAAM,EAAM,GAAM,EAAM,GAAM,MAClE,GAAqB,IAAjB6O,EACT,OAAO,IAAI7O,WAAW,CAAC,EAAM,IAAM,EAAM,IAAM,GAAM,IAAM,EAAM,GAAM,GAAM,EAAM,IAAM,EAAM,MAC1F,GAAqB,IAAjB6O,EACT,OAAO,IAAI7O,WAAW,CAAC,EAAM,IAAM,EAAM,IAAM,GAAM,IAAM,EAAM,GAAM,GAAM,EAAM,IAAM,EAAM,IAAM,GAAM,IAAM,EAAM,EAAM,KACxH,GAAqB,IAAjB6O,EACT,OAAO,IAAI7O,WAAW,CAAC,EAAM,IAAM,EAAM,IAAM,GAAM,IAAM,EAAM,GAAM,GAAM,EAAM,IAAM,EAAM,IAAM,GAAM,EAAM,IAAM,EAAM,GAAM,IAAM,EAAM,KAC1I,GAAqB,IAAjB6O,EACT,OAAO,IAAI7O,WAAW,CAAC,EAAM,IAAM,EAAM,IAAM,GAAM,IAAM,EAAM,GAAM,GAAM,EAAM,IAAM,EAAM,IAAM,GAAM,EAAM,IAAM,EAAM,GAAM,IAAM,EAAM,EAAM,IAAM,EAAM,GAAM,EAAM,MAG/K,MAEF,QACE,GAAqB,IAAjB6O,EAEF,OAAO,IAAI7O,WAAW,CAAC,EAAK,GAAM,GAAM,IAAM,IAAM,GAAM,IAAM,IAAM,IAAM,EAAK,EAAK,EAAK,EAAK,GAAM,EAAK,IAAM,IAAM,GAAK,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,KACvW,GAAqB,IAAjB6O,EAET,OAAO,IAAI7O,WAAW,CAAC,EAAK,GAAM,GAAM,IAAM,IAAM,GAAM,IAAM,IAAM,IAAM,EAAK,EAAK,EAAK,EAAK,EAAK,IAAM,EAAK,EAAK,IAAM,IAAM,GAAK,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,KACrW,GAAqB,IAAjB6O,EAET,OAAO,IAAI7O,WAAW,CAAC,EAAK,GAAM,GAAM,IAAM,IAAM,GAAM,IAAM,IAAM,IAAM,EAAK,EAAK,EAAK,EAAK,EAAK,IAAM,EAAK,EAAK,IAAM,IAAM,GAAK,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,KAI9W,OAAO,M,KCjCLif,EAAa9e,KAAK+e,IAAI,EAAG,IAAM,EAwoBtBC,E,kCAroBNC,KAAP,WAwCE,IAAIrgB,EACJ,IAAKA,KAxCLogB,EAAIE,MAAQ,CACVC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACN,OAAQ,GACRC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,IAIErC,EAAIE,MACRF,EAAIE,MAAM9mB,eAAewG,KAC3BogB,EAAIE,MAAMtgB,GAAK,CACbA,EAAE0iB,WAAW,GACb1iB,EAAE0iB,WAAW,GACb1iB,EAAE0iB,WAAW,GACb1iB,EAAE0iB,WAAW,KAKnB,IAAIC,EAAY,IAAI1hB,WAAW,CAC7B,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAClB,IAAM,IAAM,IAAM,IAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,GAAM,IAAM,IAAM,IAClB,IAAM,GAAM,GAAM,IAClB,IAAM,IAAM,IAAM,IAAM,IAGtB2hB,EAAY,IAAI3hB,WAAW,CAC7B,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAClB,IAAM,IAAM,IAAM,IAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,GAAM,IAAM,IAAM,IAClB,IAAM,GAAM,GAAM,IAClB,IAAM,IAAM,IAAM,IAAM,IAG1Bmf,EAAIyC,WAAa,CACf,MAASF,EACT,MAASC,GAGX,IAAIjC,EAAO,IAAI1f,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,GAClB,IAAM,IAAM,IAAM,GAClB,EACA,EAAM,EAAM,IAGV2gB,EAAO,IAAI3gB,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,IAGpBmf,EAAI0C,KAAO1C,EAAI2C,KAAO3C,EAAI4C,KAAOpB,EAEjCxB,EAAI6C,KAAO,IAAIhiB,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,IAEpBmf,EAAI8C,KAAO,IAAIjiB,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EACN,EAAM,EACN,EAAM,EACN,EAAM,IAERmf,EAAI+C,KAAO,IAAIliB,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EACN,EAAM,IAGRmf,EAAIgD,KAAO,IAAIniB,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,IAEpB,IAAIoiB,EAAa,IAAIpiB,WAAW,CAAC,IAAK,IAAK,IAAK,MAC5CqiB,EAAY,IAAIriB,WAAW,CAAC,GAAI,IAAK,GAAI,KACzCsiB,EAAe,IAAItiB,WAAW,CAAC,EAAG,EAAG,EAAG,IAE5Cmf,EAAIoD,KAAOpD,EAAIqD,IAAIrD,EAAIE,MAAMO,KAAMwC,EAAYE,EAAcF,EAAYC,GACzElD,EAAIsD,KAAOtD,EAAIqD,IAAIrD,EAAIE,MAAMI,KAAMN,EAAIqD,IAAIrD,EAAIE,MAAMK,KAAMA,K,EAGtD8C,IAAP,SAAYnpB,GAQV,IAPA,IAKE2T,EAJA0V,EAAU3c,MAAMzN,UAAUkN,MAAMhN,KAAK+N,UAAW,GAChD5H,EAAO,EACPI,EAAI2jB,EAAQrkB,OACZoD,EAAM1C,EAGDA,KACLJ,GAAQ+jB,EAAQ3jB,GAAGgB,WAUrB,KAPAiN,EAAS,IAAIhN,WAAWrB,IACjB,GAAMA,GAAQ,GAAM,IAC3BqO,EAAO,GAAMrO,GAAQ,GAAM,IAC3BqO,EAAO,GAAMrO,GAAQ,EAAK,IAC1BqO,EAAO,GAAY,IAAPrO,EACZqO,EAAO8F,IAAIzZ,EAAM,GAEZ0F,EAAI,EAAGJ,EAAO,EAAGI,EAAI0C,EAAK1C,IAE7BiO,EAAO8F,IAAI4P,EAAQ3jB,GAAIJ,GACvBA,GAAQ+jB,EAAQ3jB,GAAGgB,WAErB,OAAOiN,G,EAGF6S,KAAP,SAAaxmB,GACX,OAAO8lB,EAAIqD,IAAIrD,EAAIE,MAAMQ,KAAMV,EAAIyC,WAAWvoB,K,EAGzCymB,KAAP,SAAa3hB,GACX,OAAOghB,EAAIqD,IAAIrD,EAAIE,MAAMS,KAAM3hB,I,EAG1B4hB,KAAP,SAAa4C,EAAWvS,GACtBA,GAAYuS,EACZ,IAAMC,EAAoBziB,KAAKoW,MAAMnG,GAAY6O,EAAa,IACxD4D,EAAoB1iB,KAAKoW,MAAMnG,GAAY6O,EAAa,IAC9D,OAAOE,EAAIqD,IAAIrD,EAAIE,MAAMU,KAAM,IAAI/f,WAAW,CAC5C,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAC1C,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EACzC2iB,GAAa,GAAM,IACnBA,GAAa,GAAM,IACnBA,GAAa,EAAK,IACP,IAAZA,EACCC,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACCC,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACA,GAAM,IACN,EAAM,M,EAIH7C,KAAP,SAAahS,GACX,OAAOmR,EAAIqD,IAAIrD,EAAIE,MAAMW,KAAMb,EAAIY,KAAK/R,EAAM2U,UAAW3U,EAAMoC,UAAW+O,EAAIU,KAAK7R,EAAM3U,MAAO8lB,EAAIe,KAAKlS,K,EAGpGiS,KAAP,SAAazP,GACX,OAAO2O,EAAIqD,IAAIrD,EAAIE,MAAMY,KAAM,IAAIjgB,WAAW,CAC5C,EACA,EAAM,EAAM,EACXwQ,GAAkB,GAClBA,GAAkB,GAAM,IACxBA,GAAkB,EAAK,IACP,IAAjBA,M,EAIG0P,KAAP,SAAalS,GACX,MAAmB,UAAfA,EAAM3U,KACD8lB,EAAIqD,IAAIrD,EAAIE,MAAMa,KAAMf,EAAIqD,IAAIrD,EAAIE,MAAMmC,KAAMrC,EAAI+C,MAAO/C,EAAIsD,KAAMtD,EAAIuB,KAAK1S,IAE9EmR,EAAIqD,IAAIrD,EAAIE,MAAMa,KAAMf,EAAIqD,IAAIrD,EAAIE,MAAMkC,KAAMpC,EAAI8C,MAAO9C,EAAIsD,KAAMtD,EAAIuB,KAAK1S,K,EAIlFmS,KAAP,SAAa2C,EAAIC,EAAqB/U,GACpC,OAAOmR,EAAIqD,IAAIrD,EAAIE,MAAMc,KAAMhB,EAAIc,KAAK6C,GAAK3D,EAAI+B,KAAKlT,EAAO+U,K,EAKxD3C,KAAP,SAAa4C,GAKX,IAJA,IACEjkB,EAAIikB,EAAO3kB,OACX4kB,EAAQ,GAEHlkB,KACLkkB,EAAMlkB,GAAKogB,EAAIgC,KAAK6B,EAAOjkB,IAG7B,OAAOogB,EAAIqD,IAAI3oB,MAAM,KAAM,CAACslB,EAAIE,MAAMe,KAAMjB,EAAIoB,KAAKyC,EAAO,GAAGL,UAAWK,EAAO,GAAG5S,WAAW1K,OAAOud,GAAOvd,OAAOyZ,EAAImB,KAAK0C,M,EAGxH1C,KAAP,SAAa0C,GAKX,IAJA,IACEjkB,EAAIikB,EAAO3kB,OACX4kB,EAAQ,GAEHlkB,KACLkkB,EAAMlkB,GAAKogB,EAAIkC,KAAK2B,EAAOjkB,IAG7B,OAAOogB,EAAIqD,IAAI3oB,MAAM,KAAM,CAACslB,EAAIE,MAAMiB,MAAM5a,OAAOud,K,EAG9C1C,KAAP,SAAaoC,EAAWvS,GACtBA,GAAYuS,EACZ,IAAMC,EAAoBziB,KAAKoW,MAAMnG,GAAY6O,EAAa,IACxD4D,EAAoB1iB,KAAKoW,MAAMnG,GAAY6O,EAAa,IAE5D/B,EAAQ,IAAIld,WAAW,CACrB,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAC1C,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EACzC2iB,GAAa,GAAM,IACnBA,GAAa,GAAM,IACnBA,GAAa,EAAK,IACP,IAAZA,EACCC,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACCC,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACA,EAAM,EAAM,EAAM,EAClB,EAAM,EACN,EAAM,EACN,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,GAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,IAAM,IAAM,IAAM,MAEtB,OAAO1D,EAAIqD,IAAIrD,EAAIE,MAAMkB,KAAMrD,I,EAG1BuD,KAAP,SAAazS,GACX,IAGEkV,EACAnkB,EAHA8Q,EAAU7B,EAAM6B,SAAW,GAC3BqN,EAAQ,IAAIld,WAAW,EAAI6P,EAAQxR,QAKrC,IAAKU,EAAI,EAAGA,EAAI8Q,EAAQxR,OAAQU,IAC9BmkB,EAAQrT,EAAQ9Q,GAAGmkB,MACnBhG,EAAMne,EAAI,GAAMmkB,EAAMC,WAAa,EAChCD,EAAME,cAAgB,EACtBF,EAAMG,cAGX,OAAOlE,EAAIqD,IAAIrD,EAAIE,MAAMoB,KAAMvD,I,EAG1BwD,KAAP,SAAa1S,GACX,OAAOmR,EAAIqD,IAAIrD,EAAIE,MAAMqB,KAAMvB,EAAI0B,KAAK7S,GAAQmR,EAAIqD,IAAIrD,EAAIE,MAAM0B,KAAM5B,EAAI0C,MAAO1C,EAAIqD,IAAIrD,EAAIE,MAAMuB,KAAMzB,EAAI2C,MAAO3C,EAAIqD,IAAIrD,EAAIE,MAAMyB,KAAM3B,EAAI6C,MAAO7C,EAAIqD,IAAIrD,EAAIE,MAAMsB,KAAMxB,EAAI4C,Q,EAGhLzC,KAAP,SAAatR,GACX,IAAwBjP,EAAGZ,EAAMsD,EAA7Bya,EAAM,GAAI0B,EAAM,GAGpB,IAAK7e,EAAI,EAAGA,EAAIiP,EAAMkO,IAAI7d,OAAQU,IAEhC0C,GADAtD,EAAO6P,EAAMkO,IAAInd,IACNgB,WACXmc,EAAIxc,KAAM+B,IAAQ,EAAK,KACvBya,EAAIxc,KAAY,IAAN+B,GAGVya,EAAMA,EAAIxW,OAAOK,MAAMzN,UAAUkN,MAAMhN,KAAK2F,IAI9C,IAAKY,EAAI,EAAGA,EAAIiP,EAAM4P,IAAIvf,OAAQU,IAEhC0C,GADAtD,EAAO6P,EAAM4P,IAAI7e,IACNgB,WACX6d,EAAIle,KAAM+B,IAAQ,EAAK,KACvBmc,EAAIle,KAAY,IAAN+B,GAEVmc,EAAMA,EAAIlY,OAAOK,MAAMzN,UAAUkN,MAAMhN,KAAK2F,IAG9C,IAAImlB,EAAOnE,EAAIqD,IAAIrD,EAAIE,MAAME,KAAM,IAAIvf,WAAW,CAC9C,EACAkc,EAAI,GACJA,EAAI,GACJA,EAAI,GACJ,IACA,IAAOlO,EAAMkO,IAAI7d,QACjBqH,OAAOwW,GAAKxW,OAAO,CACnBsI,EAAM4P,IAAIvf,SACTqH,OAAOkY,KACV3I,EAAQjH,EAAMiH,MACdE,EAASnH,EAAMmH,OACfoO,EAAWvV,EAAMgH,WAAW,GAC5BwO,EAAWxV,EAAMgH,WAAW,GAE9B,OAAOmK,EAAIqD,IAAIrD,EAAIE,MAAMC,KAAM,IAAItf,WAAW,CAC5C,EAAM,EAAM,EACZ,EAAM,EAAM,EACZ,EAAM,EACN,EAAM,EACN,EAAM,EACN,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EACjBiV,GAAS,EAAK,IACP,IAARA,EACCE,GAAU,EAAK,IACP,IAATA,EACA,EAAM,GAAM,EAAM,EAClB,EAAM,GAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EACN,GACA,IAAM,GAAM,IAAM,IAClB,IAAM,IAAM,IAAM,IAClB,IAAM,IAAM,IAAM,GAClB,IAAM,IAAM,IAAM,GAClB,IAAM,IAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EACZ,EAAM,GACN,GAAM,KACRmO,EACAnE,EAAIqD,IAAIrD,EAAIE,MAAMG,KAAM,IAAIxf,WAAW,CACrC,EAAM,GAAM,IAAM,IAClB,EAAM,GAAM,IAAM,IAClB,EAAM,GAAM,IAAM,OACpBmf,EAAIqD,IAAIrD,EAAIE,MAAMmB,KAAM,IAAIxgB,WAAW,CACpCujB,GAAY,GACZA,GAAY,GAAM,IAClBA,GAAY,EAAK,IACP,IAAXA,EACCC,GAAY,GACZA,GAAY,GAAM,IAClBA,GAAY,EAAK,IACP,IAAXA,O,EAIG7D,KAAP,SAAa3R,GACX,IAAIyV,EAAYzV,EAAMhC,OAAO3N,OAC7B,OAAO,IAAI2B,WAAW,CACpB,EACA,EAAM,EAAM,EAEZ,EACA,GAAOyjB,EACP,EAAM,EACN,EAEA,EACA,GAAOA,EACP,GACA,GACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAElB,GACA/d,OAAO,CAAC+d,IAAY/d,OAAOsI,EAAMhC,QAAQtG,OAAO,CAAC,EAAM,EAAM,M,EAG1D2a,KAAP,SAAarS,GACX,IAAIE,EAAaF,EAAME,WACvB,OAAOiR,EAAIqD,IAAIrD,EAAIE,MAAMgB,KAAM,IAAIrgB,WAAW,CAC5C,EAAM,EAAM,EACZ,EAAM,EAAM,EACZ,EAAM,EACN,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAMgO,EAAMa,aACZ,EAAM,GACN,EAAM,EAAM,EAAM,EACjBX,GAAc,EAAK,IACP,IAAbA,EACA,EAAM,IACRiR,EAAIqD,IAAIrD,EAAIE,MAAMM,KAAMR,EAAIQ,KAAK3R,M,EAG5BuM,IAAP,SAAYvM,GACV,IAAIE,EAAaF,EAAME,WACvB,OAAOiR,EAAIqD,IAAIrD,EAAIE,MAAM,QAAS,IAAIrf,WAAW,CAC/C,EAAM,EAAM,EACZ,EAAM,EAAM,EACZ,EAAM,EACN,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAMgO,EAAMa,aACZ,EAAM,GACN,EAAM,EAAM,EAAM,EACjBX,GAAc,EAAK,IACP,IAAbA,EACA,EAAM,M,EAGH2S,KAAP,SAAa7S,GACX,MAAmB,UAAfA,EAAM3U,KACH2U,EAAMyC,OAAyB,QAAhBzC,EAAMc,MAInBqQ,EAAIqD,IAAIrD,EAAIE,MAAMwB,KAAM1B,EAAIgD,KAAMhD,EAAIkB,KAAKrS,IAHzCmR,EAAIqD,IAAIrD,EAAIE,MAAMwB,KAAM1B,EAAIgD,KAAMhD,EAAI5E,IAAIvM,IAK5CmR,EAAIqD,IAAIrD,EAAIE,MAAMwB,KAAM1B,EAAIgD,KAAMhD,EAAIG,KAAKtR,K,EAI/CsT,KAAP,SAAatT,GACX,IAAIuC,EAAKvC,EAAMuC,GACbH,EAAWpC,EAAMoC,SAAWpC,EAAM2U,UAClC1N,EAAQjH,EAAMiH,MACdE,EAASnH,EAAMmH,OACfyN,EAAoBziB,KAAKoW,MAAMnG,GAAY6O,EAAa,IACxD4D,EAAoB1iB,KAAKoW,MAAMnG,GAAY6O,EAAa,IAC1D,OAAOE,EAAIqD,IAAIrD,EAAIE,MAAMiC,KAAM,IAAIthB,WAAW,CAC5C,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAC1C,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EACzCuQ,GAAM,GAAM,IACZA,GAAM,GAAM,IACZA,GAAM,EAAK,IACP,IAALA,EACA,EAAM,EAAM,EAAM,EACjBqS,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACCC,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACA,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EACN,EAAM,EACN,EAAM,EACN,EAAM,EACN,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,GAAM,EAAM,EAAM,EACjB5N,GAAS,EAAK,IACP,IAARA,EACA,EAAM,EACLE,GAAU,EAAK,IACP,IAATA,EACA,EAAM,M,EAIH+L,KAAP,SAAalT,EAAO+U,GAClB,IAAIW,EAAwBvE,EAAIsB,KAAKzS,GACnCuC,EAAKvC,EAAMuC,GACXoT,EAA+BxjB,KAAKoW,MAAMwM,GAAuB9D,EAAa,IAC9E2E,EAA+BzjB,KAAKoW,MAAMwM,GAAuB9D,EAAa,IAChF,OAAOE,EAAIqD,IAAIrD,EAAIE,MAAM6B,KACvB/B,EAAIqD,IAAIrD,EAAIE,MAAM4B,KAAM,IAAIjhB,WAAW,CACrC,EACA,EAAM,EAAM,EACXuQ,GAAM,GACNA,GAAM,GAAM,IACZA,GAAM,EAAK,IACN,IAALA,KAEH4O,EAAIqD,IAAIrD,EAAIE,MAAM2B,KAAM,IAAIhhB,WAAW,CACrC,EACA,EAAM,EAAM,EACX2jB,GAAgC,GAChCA,GAAgC,GAAM,IACtCA,GAAgC,EAAK,IACN,IAA/BA,EACAC,GAAgC,GAChCA,GAAgC,GAAM,IACtCA,GAAgC,EAAK,IACN,IAA/BA,KAEHzE,EAAIiC,KAAKpT,EACP0V,EAAsBrlB,OACV,GACA,GACA,EACA,GACA,EACA,GACdqlB,I,EAQGvC,KAAP,SAAanT,GAEX,OADAA,EAAMoC,SAAWpC,EAAMoC,UAAY,WAC5B+O,EAAIqD,IAAIrD,EAAIE,MAAM8B,KAAMhC,EAAImC,KAAKtT,GAAQmR,EAAIa,KAAKhS,K,EAGpDqT,KAAP,SAAarT,GACX,IAAIuC,EAAKvC,EAAMuC,GACf,OAAO4O,EAAIqD,IAAIrD,EAAIE,MAAMgC,KAAM,IAAIrhB,WAAW,CAC5C,EACA,EAAM,EAAM,EACXuQ,GAAM,GACNA,GAAM,GAAM,IACZA,GAAM,EAAK,IACN,IAALA,EACD,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,M,EAIf6Q,KAAP,SAAapT,EAAO5P,GAClB,IAIEW,EAAG+Q,EAAQM,EAAUzR,EAAMukB,EAAOW,EAJhChU,EAAU7B,EAAM6B,SAAW,GAC7BpO,EAAMoO,EAAQxR,OACdylB,EAAW,GAAM,GAAKriB,EACtBZ,EAAQ,IAAIb,WAAW8jB,GAezB,IAbA1lB,GAAU,EAAI0lB,EACdjjB,EAAMiS,IAAI,CACR,EACA,EAAM,GAAM,EACXrR,IAAQ,GAAM,IACdA,IAAQ,GAAM,IACdA,IAAQ,EAAK,IACR,IAANA,EACCrD,IAAW,GAAM,IACjBA,IAAW,GAAM,IACjBA,IAAW,EAAK,IACR,IAATA,GACC,GACEW,EAAI,EAAGA,EAAI0C,EAAK1C,IAEnBqR,GADAN,EAASD,EAAQ9Q,IACCqR,SAClBzR,EAAOmR,EAAOnR,KACdukB,EAAQpT,EAAOoT,MACfW,EAAM/T,EAAO+T,IACbhjB,EAAMiS,IAAI,CACP1C,IAAa,GAAM,IACnBA,IAAa,GAAM,IACnBA,IAAa,EAAK,IACR,IAAXA,EACCzR,IAAS,GAAM,IACfA,IAAS,GAAM,IACfA,IAAS,EAAK,IACR,IAAPA,EACCukB,EAAMa,WAAa,EAAKb,EAAMC,UAC9BD,EAAME,cAAgB,EACpBF,EAAMG,eAAiB,EACvBH,EAAMc,cAAgB,EACvBd,EAAMe,UACW,MAAnBf,EAAMgB,WACa,GAAnBhB,EAAMgB,WACLL,IAAQ,GAAM,IACdA,IAAQ,GAAM,IACdA,IAAQ,EAAK,IACR,IAANA,GACC,GAAK,GAAK9kB,GAEf,OAAOogB,EAAIqD,IAAIrD,EAAIE,MAAM+B,KAAMvgB,I,EAG1BqP,YAAP,SAAoB8S,GACb7D,EAAIE,OACPF,EAAIC,OAGN,IAA8BpS,EAA1BmX,EAAQhF,EAAIiB,KAAK4C,GAIrB,OAHAhW,EAAS,IAAIhN,WAAWmf,EAAIoD,KAAKxiB,WAAaokB,EAAMpkB,aAC7C+S,IAAIqM,EAAIoD,MACfvV,EAAO8F,IAAIqR,EAAOhF,EAAIoD,KAAKxiB,YACpBiN,G,KCloBJ,SAASoX,EAAqBlsB,EAAOmsB,EAAmBC,EAAqBlkB,QAAgC,IAArDkkB,MAAkB,QAAmC,IAAhClkB,OAAiB,GACnG,IAAM4M,EAAS9U,EAAQmsB,EAAYC,EACnC,OAAOlkB,EAAQD,KAAKC,MAAM4M,GAAUA,EAG/B,SAASuX,EAAqBrsB,EAAekI,GAClD,YADkF,IAAhCA,OAAiB,GAC5DgkB,EAAoBlsB,EAAO,IAAM,EAZZ,IAYuCkI,GAG9D,SAASokB,EAA4BtsB,EAAeusB,GACzD,YADuF,IAA9BA,MAAmB,GACrEL,EAAoBlsB,EAhBC,IAgB6B,EAAIusB,GCF/D,IAAMC,EAAkCF,EAA2B,IAC7DG,EAAgCH,EAA2B,IA2yBlDI,ICnyBXC,EDmyBWD,E,WAxyBb,WAAa7Y,EAAUC,EAAQsL,EAAewN,GAC5ChtB,KAAKiU,SAAWA,EAChBjU,KAAKkU,OAASA,EACdlU,KAAKwf,cAAgBA,EACrB,IAAM/I,EAAYC,UAAUD,UAC5BzW,KAAKitB,SAAWD,GAAUA,EAAO3jB,QAAQ,UAAY,GAAKoN,IAAcA,EAAUyW,MAAM,SACxFltB,KAAKmtB,aAAc,E,2BAGrBpZ,QAAA,a,EAGA8E,eAAA,SAAgBuU,GACdptB,KAAK+iB,SAAW/iB,KAAKgjB,SAAWoK,G,EAGlCjV,iBAAA,WACEnY,KAAKmtB,aAAc,G,EAGrB/T,MAAA,SAAO4H,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,GAM1E,GAJKlZ,KAAKmtB,aACRntB,KAAKqtB,WAAWrM,EAAY4B,EAAY5J,GAGtChZ,KAAKmtB,YAAa,CACpB,IAAMG,EAAiBtM,EAAWjJ,QAAQxR,OACpCgnB,EAAiB3K,EAAW7K,QAAQxR,OACtCinB,EAAkBxU,EAClByU,EAAkBzU,EACtB,GAAIsU,GAAkBC,EAAgB,CAKpC,IAAIG,GAAsB1M,EAAWjJ,QAAQ,GAAGV,IAAMuL,EAAW7K,QAAQ,GAAGV,KAAOuL,EAAWhK,eAC9F4U,GAAmBnlB,KAAKslB,IAAI,EAAGD,GAC/BD,GAAmBplB,KAAKslB,IAAI,GAAID,GAKlC,GAAIJ,EAAgB,CAEbtM,EAAW6J,YACdvoB,IAAOpB,KAAK,4CACZlB,KAAKqtB,WAAWrM,EAAY4B,EAAY5J,IAE1C,IAGM4U,EAHFpM,EAAYxhB,KAAK6tB,WAAW7M,EAAYwM,EAAiBvU,EAAYC,GAEzE,GAAIqU,EAEE/L,IACFoM,EAAmBpM,EAAUsM,OAAStM,EAAUuM,UAI7CnL,EAAWiI,YACdvoB,IAAOpB,KAAK,4CACZlB,KAAKqtB,WAAWrM,EAAY4B,EAAY5J,IAE1ChZ,KAAKguB,WAAWpL,EAAY6K,EAAiBxU,EAAY2U,EAAkB1U,QAI7E,GAAIqU,EAAgB,CAClB,IAAIU,EAAYjuB,KAAKguB,WAAWpL,EAAY6K,EAAiBxU,EAAY,EAAGC,GACxE+U,GAAajN,EAAWhK,OAC1BhX,KAAKkuB,gBAAgBlN,EAAYwM,EAAiBvU,EAAYgV,IAMlEhN,EAASlJ,QAAQxR,QACnBvG,KAAKmuB,SAASlN,EAAUjI,GAItB6J,EAAU9K,QAAQxR,QACpBvG,KAAKouB,UAAUvL,EAAW7J,GAI5BhZ,KAAKiU,SAASmB,QAAQC,IAAMnQ,c,EAG9BmoB,WAAA,SAAYrM,EAAY4B,EAAY5J,GAClC,IAQEqV,EAASC,EAASzD,EARhB5W,EAAWjU,KAAKiU,SAClBsa,EAAevN,EAAWjJ,QAC1ByW,EAAe5L,EAAW7K,QAC1ByH,EAAgBxf,KAAKwf,cACrBhH,EAAY,YACZ0S,EAAS,GACT7kB,EAAO,CAAE6kB,OAAQA,GACjBuD,OAAmC9f,IAAlB3O,KAAK+iB,SAqCxB,GAlCI0L,IACFJ,EAAUC,EAAUI,KAGlB1N,EAAW9M,QAAUqa,EAAahoB,SAKpCya,EAAW6J,UAAY7J,EAAW5K,WAClC9T,IAAOrB,IAAP,yBAAoC+f,EAAW5K,YAC1C4K,EAAWrI,QACV6G,EAAcgD,MAChBhK,EAAY,aACZwI,EAAWhK,MAAQ,IACVwI,EAAciD,MACvBzB,EAAWhK,MAAQ,QAGvBkU,EAAO7L,MAAQ,CACb7G,UAAWA,EACXxB,MAAOgK,EAAWhK,MAClBoB,aAAc4I,EAAWrI,OAAS6G,EAAcgD,KAAO,IAAIta,WAAemf,EAAIjP,YAAY,CAAC4I,IAC3F2N,SAAU,CACR5X,aAAciK,EAAWjK,eAGzB0X,IACF5D,EAAY7J,EAAWpI,eAEvByV,EAAUC,EAAUC,EAAa,GAAGlX,IAAMhP,KAAKC,MAAMuiB,EAAY7R,KAIjE4J,EAAWwB,KAAOxB,EAAWkD,KAAO0I,EAAajoB,OAAQ,CAG3D,IAAMqS,EAAiBgK,EAAWhK,eAClCgK,EAAWiI,UAAYjS,EACvBsS,EAAO9L,MAAQ,CACb5G,UAAW,YACXxB,MAAO4L,EAAW5L,MAClBoB,YAAaiP,EAAIjP,YAAY,CAACwK,IAC9B+L,SAAU,CACRxR,MAAOyF,EAAWzF,MAClBE,OAAQuF,EAAWvF,SAGnBoR,IACF5D,EAAYjI,EAAWhK,eACvByV,EAAUhmB,KAAK0S,IAAIsT,EAASG,EAAa,GAAGnX,IAAMuB,EAAiBI,GACnEsV,EAAUjmB,KAAK0S,IAAIuT,EAASE,EAAa,GAAG1W,IAAMc,EAAiBI,GACnEhZ,KAAKiU,SAASmB,QAAQC,IAAM7Q,eAAgB,CAAE6pB,QAASA,EAASxD,eAIhEtqB,OAAOquB,KAAK1D,GAAQ3kB,QACtB0N,EAASmB,QAAQC,IAAMvQ,0BAA2BuB,GAClDrG,KAAKmtB,aAAc,EACfsB,IACFzuB,KAAK+iB,SAAWsL,EAChBruB,KAAKgjB,SAAWsL,IAGlBra,EAASmB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAWyP,YAAaC,QAASzP,IAAamR,mBAAoBxB,OAAO,EAAOC,OAAQ,kC,EAIlIsY,WAAA,SAAY9X,EAAO8C,EAAYC,EAAY2U,EAAkB1U,GAC3D,IACI2V,EACA7G,EACAK,EACAyG,EACAC,EACAC,EACAC,EAPA3oB,EAAS,EAQP4oB,EAAYhZ,EAAM2U,UAClBsE,EAAejZ,EAAM6B,QACrBqX,EAAgB,GAChBpL,EAAYmL,EAAa5oB,OACzB8oB,EAAervB,KAAKsvB,cACpBjB,EAAUruB,KAAK+iB,SAGjBwM,EAAavvB,KAAKuvB,WAEhBtC,EAAWjtB,KAAKitB,SAEtB,GAAkB,IAAdjJ,EAAJ,CAKIiJ,IAMFhU,GAAekW,EAAa5oB,QAAUgpB,IACrBrW,GAAsB7Q,KAAK0e,IAAI/N,EAAauW,EAAaL,GAAa,IACvE7mB,KAAK0e,IAAKoI,EAAa,GAAG9X,IAAMkY,EAAalB,GAAYa,EAAY,IAIlFjW,IAEHsW,EAAavW,EAAakW,GAK5BC,EAAahtB,SAAQ,SAAU6V,GAC7BA,EAAOX,IAAMgY,EAAarX,EAAOX,IAAMgX,EAASkB,GAChDvX,EAAOF,IAAMuX,EAAarX,EAAOF,IAAMuW,EAASkB,MAIlDJ,EAAaK,MAAK,SAAUC,EAAG1K,GAC7B,IAAM2K,EAAWD,EAAE3X,IAAMiN,EAAEjN,IACrB6X,EAAWF,EAAEpY,IAAM0N,EAAE1N,IAC3B,OAAOqY,GAAaC,GAAaF,EAAEhX,GAAKsM,EAAEtM,MAI5C,IAAImX,EAAcT,EAAaU,QAAO,SAACje,EAAMke,GAAP,OAAgBznB,KAAKslB,IAAItlB,KAAK0S,IAAInJ,EAAMke,EAAKzY,IAAMyY,EAAKhY,MAAO,EAAI+U,KAAgC,GACzI,GAAI+C,EAAc,EAAG,CACnBttB,IAAOpB,KAAP,wDAAoEurB,EAAoBmD,GAAa,GAArG,8BACA,IAAK,IAAI3oB,EAAI,EAAGA,EAAIkoB,EAAa5oB,OAAQU,IACvCkoB,EAAaloB,GAAG6Q,KAAO8X,EAK3B,IAAI5X,EAASmX,EAAa,GAC1BJ,EAAW1mB,KAAKslB,IAAI3V,EAAOF,IAAK,GAChCgX,EAAWzmB,KAAKslB,IAAI3V,EAAOX,IAAK,GAGhC,IAAI0Y,EAAQhB,EAAWQ,EAEnBtW,GACE8W,IACEA,EAAQ,EACVztB,IAAOrB,IAAP,QAAmBwrB,EAAoBsD,GAAO,GAA9C,kDACSA,GAAS,GAClBztB,IAAOrB,IAAP,QAAmBwrB,GAAqBsD,GAAO,GAA/C,8CAIFhB,EAAWQ,EACXJ,EAAa,GAAGrX,IAAMiX,EAEtBD,EAAWzmB,KAAKslB,IAAImB,EAAWiB,EAAOR,GACtCJ,EAAa,GAAG9X,IAAMyX,EACtBxsB,IAAOrB,IAAP,4BAAuCwrB,EAAoBqC,GAAU,GAArE,IAA8ErC,EAAoBsC,GAAU,GAA5G,YAA6HtC,EAAoBsD,GAAO,GAAxJ,QAKJ/X,EAASmX,EAAaA,EAAa5oB,OAAS,GAC5C0oB,EAAU5mB,KAAKslB,IAAI3V,EAAOF,IAAK,GAC/BkX,EAAU3mB,KAAKslB,IAAI3V,EAAOX,IAAK,EAAG4X,GAK9BhC,IACF4B,EAAoBxmB,KAAKC,OAAO2mB,EAAUF,IAAaI,EAAa5oB,OAAS,KAI/E,IADA,IAAIypB,EAAS,EAAGC,EAAU,EACjBhpB,EAAI,EAAGA,EAAI+c,EAAW/c,IAAK,CAGlC,IADA,IAAI+Q,EAASmX,EAAaloB,GAAIiY,EAAQlH,EAAOkH,MAAOgR,EAAUhR,EAAM3Y,OAAQ4pB,EAAY,EAC/EvhB,EAAI,EAAGA,EAAIshB,EAASthB,IAC3BuhB,GAAajR,EAAMtQ,GAAGvI,KAAKE,OAG7B0pB,GAAWE,EACXH,GAAUE,EACVlY,EAAOzR,OAAS4pB,EAKdnY,EAAOF,IAFLmV,EAEW8B,EAAW9nB,EAAI4nB,EAGfxmB,KAAKslB,IAAI3V,EAAOF,IAAKiX,GAGpC/W,EAAOX,IAAMhP,KAAKslB,IAAI3V,EAAOX,IAAKW,EAAOF,KAK3C,IAAIsY,EAAWH,EAAW,EAAID,EAAU,EACxC,IACEhI,EAAO,IAAI9f,WAAWkoB,GACtB,MAAOpb,GAEP,YADAhV,KAAKiU,SAASmB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAWwqB,UAAW9a,QAASzP,IAAawqB,kBAAmB7a,OAAO,EAAO2P,MAAOgL,EAAU1a,OAAQ,8BAA8B0a,IAGjL,IAAIjgB,EAAO,IAAIC,SAAS4X,EAAKtf,QAC7ByH,EAAKogB,UAAU,EAAGH,GAClBpI,EAAKhN,IAAIqM,EAAIE,MAAMS,KAAM,GAEzB,IAAK,IAAI/gB,EAAI,EAAGA,EAAI+c,EAAW/c,IAAK,CAMlC,IALA,IAAIwZ,EAAY0O,EAAaloB,GAC3BupB,EAAiB/P,EAAUvB,MAC3BuR,EAAkB,EAClBC,OAAqB,EAEd9hB,EAAI,EAAGshB,EAAUM,EAAejqB,OAAQqI,EAAIshB,EAASthB,IAAK,CACjE,IAAIiJ,EAAO2Y,EAAe5hB,GACxB+hB,EAAW9Y,EAAKxR,KAChBuqB,EAAc/Y,EAAKxR,KAAK4B,WAC1BkI,EAAKogB,UAAUjqB,EAAQsqB,GACvBtqB,GAAU,EACV0hB,EAAKhN,IAAI2V,EAAUrqB,GACnBA,GAAUsqB,EACVH,GAAmB,EAAIG,EAGzB,GAAK3D,EAkCHyD,EAAwBroB,KAAKslB,IAAI,EAAGkB,EAAoBxmB,KAAKC,OAAOmY,EAAUpJ,IAAMoJ,EAAU3I,KAAO+W,QAlCxF,CAEb,GAAI5nB,EAAI+c,EAAY,EAClB6K,EAAoBM,EAAaloB,EAAI,GAAG6Q,IAAM2I,EAAU3I,QACnD,CACL,IAAI5D,EAASlU,KAAKkU,OAChB2c,EAAoBpQ,EAAU3I,IAAMqX,EAAaloB,EAAI,EAAIA,EAAI,EAAIA,GAAG6Q,IACtE,GAAI5D,EAAO4c,uBAAwB,CAMjC,IAAIC,EAAgB7c,EAAO6c,cACzBC,GAAe3oB,KAAKoW,MAAMsS,EAAgB7B,GAC1C+B,IAAmBrD,EAAmBkB,EAAWlB,EAAmBsB,EAAYlvB,KAAKkxB,cAAgBzQ,EAAUpJ,IAC7G4Z,GAAkBD,KAGpBnC,EAAoBoC,GAAkBJ,GACd,IACtBhC,EAAoBgC,GAGtBvuB,IAAOrB,IAAP,uBAAkCwrB,EAAoBwE,IAAiB,GAAvE,2CAAwHxE,EAAoBoC,GAAmB,GAA/J,kCAEAA,EAAoBgC,OAGtBhC,EAAoBgC,EAGxBH,EAAwBroB,KAAKC,MAAMmY,EAAUpJ,IAAMoJ,EAAU3I,KAM/DsX,EAAcxnB,KAAK,CACjBf,KAAM4pB,EAENnY,SAAUuW,EACV9C,IAAK2E,EACLtF,MAAO,CACLa,UAAW,EACXX,aAAc,EACdC,cAAe,EACfa,WAAY,EACZf,UAAW5K,EAAUpgB,IAAM,EAAI,EAC/B8rB,UAAW1L,EAAUpgB,IAAM,EAAI,KAKrCL,KAAKuvB,WAAaN,EAAUJ,EAC5B,IAAI5O,GAAU/J,EAAM+J,QAGpB,GAFA/J,EAAM8Z,OAAS,EACf9Z,EAAM+J,QAAU,EACZmP,EAAc7oB,QAAUmQ,UAAUD,UAAUE,cAActN,QAAQ,WAAa,EAAG,CACpF,IAAI+hB,GAAQgE,EAAc,GAAGhE,MAG7BA,GAAMC,UAAY,EAClBD,GAAMe,UAAY,EAEpBjW,EAAM6B,QAAUqX,EAChB/G,EAAOhB,EAAIgB,KAAKnS,EAAMwC,iBAAkBqW,EAAU7Y,GAClDA,EAAM6B,QAAU,GAEhB,IAAI1R,GAAO,CACT8qB,MAAO9I,EACP+I,MAAOpJ,EACP+F,SAAUe,EAAWI,EACrBpB,QAASkB,EAAUH,GAAqBK,EACxCmC,SAAUtC,EAAWG,EACrBoC,OAAQtxB,KAAKuvB,WAAaL,EAC1B3tB,KAAM,QACNgwB,UAAU,EACVC,UAAU,EACVC,GAAIrC,EAAc7oB,OAClB0Z,QAASA,IAGX,OADAjgB,KAAKiU,SAASmB,QAAQC,IAAMpQ,kBAAmBoB,IACxCA,K,EAGTwnB,WAAA,SAAY3X,EAAO8C,EAAYC,EAAYC,GACzC,IASIwY,EACAC,EACA3J,EACAK,EACAyG,EACAE,EAdEpW,EAAiB1C,EAAM0C,eACvBgZ,EAAe1b,EAAM2U,UACrBgH,EAAcjZ,EAAiBgZ,EAE/BE,GADoB5b,EAAMyC,MAAQ,KAAO,MACCkZ,EAC1CxC,EAAervB,KAAKsvB,cACpBjB,EAAUruB,KAAK+iB,SACfgP,GAAW7b,EAAMyC,OAAS3Y,KAAKwf,cAAcgD,KAQ/Clc,EAAUyrB,EAAU,EAAI,EACxB5C,EAAejZ,EAAM6B,QACrBqX,EAAgB,GAChB8B,EAAelxB,KAAKkxB,aA4BxB,GAlBAjY,GAAekW,EAAa5oB,QAAU2qB,IACrBhY,GAAsB7Q,KAAK0e,IAAI/N,EAAakY,EAAetY,GAAkB,IAC9EvQ,KAAK0e,IAAKoI,EAAa,GAAG9X,IAAM6Z,EAAe7C,GAAY,GAAKyD,GAIhF3C,EAAahtB,SAAQ,SAAU6V,GAC7BA,EAAOX,IAAMW,EAAOF,IAAMuX,EAAarX,EAAOX,IAAMgX,EAASrV,EAAaJ,MAWhD,KAL5BuW,EAAeA,EAAa6C,QAAO,SAAUha,GAC3C,OAAOA,EAAOX,KAAO,MAIN9Q,OAAjB,CAoBA,GAhBK0S,IAMDiY,EALGhY,EAKYF,EAAaJ,EAHbuW,EAAa,GAAG9X,KAa/BnB,EAAMyC,MAER,IADA,IAAMsZ,EAAsBjyB,KAAKkU,OAAO+d,oBAC/BhrB,EAAI,EAAGirB,EAAUhB,EAAcjqB,EAAIkoB,EAAa5oB,QAAS,CAEhE,IAA8BwpB,EAA1B/X,EAASmX,EAAaloB,GAK1B,IAHA8oB,EADU/X,EAAOX,IACH6a,KAGAD,EAAsBH,EAClCxvB,IAAOpB,KAAP,4BAAwCurB,EAAoByF,GAAS,GAArE,cAAwFzF,EAAoBsD,GAAO,GAAnH,gBACAZ,EAAatL,OAAO5c,EAAG,QAQpB,GAAI8oB,GAASkC,EAAsBH,GAAuB/B,EAAQnD,GAAmCsF,EAAS,CACjH,IAAIC,EAAU9pB,KAAKC,MAAMynB,EAAQ+B,GACjCxvB,IAAOpB,KAAP,aAAyBixB,EAAzB,mBAAmD1F,EAAoByF,GAAS,GAAhF,cAAmGzF,EAAoByF,GAAS,GAAhI,YACA,IAAK,IAAItjB,EAAI,EAAGA,EAAIujB,EAASvjB,IAAK,CAChC,IAAIwjB,EAAW/pB,KAAKslB,IAAIuE,EAAS,IACjCP,EAAY1K,EAAIC,eAAehR,EAAMU,eAAiBV,EAAMc,MAAOd,EAAMa,iBAEvEzU,IAAOrB,IAAI,qFACX0wB,EAAY3Z,EAAOH,KAAKjR,YAE1BuoB,EAAatL,OAAO5c,EAAG,EAAG,CAAE4Q,KAAM8Z,EAAWta,IAAK+a,EAAUta,IAAKsa,IACjEF,GAAWJ,EACX7qB,IAIF+Q,EAAOX,IAAMW,EAAOF,IAAMoa,EAC1BA,GAAWJ,EACX7qB,SAGIoB,KAAK0e,IAAIgJ,GAGb/X,EAAOX,IAAMW,EAAOF,IAAMoa,EAC1BA,GAAWJ,EACX7qB,IAQN,IAFA,IAAI+c,EAAYmL,EAAa5oB,OACzB6pB,EAAW,EACRpM,KACLoM,GAAYjB,EAAanL,GAAWnM,KAAK5P,WAG3C,IAAK,IAAI2G,EAAI,EAAGoV,EAAYmL,EAAa5oB,OAAQqI,EAAIoV,EAAWpV,IAAK,CACnE,IAAIyjB,EAAclD,EAAavgB,GAC3BiJ,EAAOwa,EAAYxa,KACnBR,EAAMgb,EAAYhb,IAKtB,QAAgB1I,IAAZqgB,EACF0C,EAAUpZ,SAAWjQ,KAAKC,OAAO+O,EAAM2X,GAAW6C,OAC7C,CACL,IAAI9B,EAAQ1Y,EAAM6Z,EACdoB,EAAmB,EAIvB,GAAIrZ,GAAc/C,EAAMyC,OAElBoX,EAAO,CACT,GAAIA,EAAQ,GAAKA,EAAQnD,EAGvB0F,EAAmBjqB,KAAKC,OAAO+O,EAAM6Z,GAAgBY,GAErDxvB,IAAOrB,IAAOwrB,EAAoBsD,GAAO,GAAzC,oDACIuC,EAAmB,KACrBX,EAAY1K,EAAIC,eAAehR,EAAMU,eAAiBV,EAAMc,MAAOd,EAAMa,iBAEvE4a,EAAY9Z,EAAKjR,YAGnBwpB,GAAYkC,EAAmBX,EAAUprB,aAGtC,GAAIwpB,GAAS,GAAI,CAEtBztB,IAAOrB,IAAP,uDAAkEwrB,EAAoByE,GAAc,GAApG,SAAkHzE,EAAoBpV,GAAK,GAA3I,SAAyJoV,GAAqBsD,GAAO,GAArL,OACAK,GAAYvY,EAAK5P,WACjB,SAGFoP,EAAM6Z,EAKV,GADApC,EAAWzX,IACP+Y,EAAW,GAeb,OAdAA,GAAY9pB,EACZ,IACE0hB,EAAO,IAAI9f,WAAWkoB,GACtB,MAAOpb,GAEP,YADAhV,KAAKiU,SAASmB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAWwqB,UAAW9a,QAASzP,IAAawqB,kBAAmB7a,OAAO,EAAO2P,MAAOgL,EAAU1a,OAAQ,8BAA8B0a,IAG5K2B,IACU,IAAI3hB,SAAS4X,EAAKtf,QAC1B6nB,UAAU,EAAGH,GAClBpI,EAAKhN,IAAIqM,EAAIE,MAAMS,KAAM,IAM7B,IAAK,IAAI/gB,EAAI,EAAGA,EAAIqrB,EAAkBrrB,KACpC0qB,EAAY1K,EAAIC,eAAehR,EAAMU,eAAiBV,EAAMc,MAAOd,EAAMa,iBAEvEzU,IAAOrB,IAAI,qFACX0wB,EAAY9Z,EAAKjR,YAEnBohB,EAAKhN,IAAI2W,EAAWrrB,GACpBA,GAAUqrB,EAAU1pB,WACpBypB,EAAY,CACV7qB,KAAM8qB,EAAU1pB,WAChB8jB,IAAK,EACLzT,SAAU,KACV8S,MAAO,CACLa,UAAW,EACXX,aAAc,EACdC,cAAe,EACfa,WAAY,EACZf,UAAW,IAGf+D,EAAcxnB,KAAK8pB,GAGvB1J,EAAKhN,IAAInD,EAAMvR,GACf,IAAIisB,EAAU1a,EAAK5P,WACnB3B,GAAUisB,EAEVb,EAAY,CACV7qB,KAAM0rB,EACNxG,IAAK,EACLzT,SAAU,EACV8S,MAAO,CACLa,UAAW,EACXX,aAAc,EACdC,cAAe,EACfa,WAAY,EACZf,UAAW,IAGf+D,EAAcxnB,KAAK8pB,GACnB1C,EAAU3X,EAEZ,IAAImb,EAAqB,EAOzB,IANAxO,EAAYoL,EAAc7oB,SAET,IACfisB,EAAqBpD,EAAcpL,EAAY,GAAG1L,SAClDoZ,EAAUpZ,SAAWka,GAEnBxO,EAAW,CAEbhkB,KAAKkxB,aAAeA,EAAelC,EAAU6C,EAAcW,EAE3Dtc,EAAM6B,QAAUqX,EAEd/G,EADE0J,EACK,IAAI7pB,WAEJmf,EAAIgB,KAAKnS,EAAMwC,iBAAkBoW,EAAW+C,EAAa3b,GAGlEA,EAAM6B,QAAU,GAChB,IAAM4I,EAAQmO,EAAWlW,EACnBnR,EAAMypB,EAAetY,EACrB4I,EAAY,CAChB2P,MAAO9I,EACP+I,MAAOpJ,EACP+F,SAAUpN,EACVmN,OAAQrmB,EACR4pB,SAAU1Q,EACV2Q,OAAQ7pB,EACRlG,KAAM,QACNgwB,UAAU,EACVC,UAAU,EACVC,GAAIzN,GAGN,OADAhkB,KAAKiU,SAASmB,QAAQC,IAAMpQ,kBAAmBuc,GACxCA,EAET,OAAO,O,EAGT0M,gBAAA,SAAiBhY,EAAO8C,EAAYC,EAAYgV,GAC9C,IAAIrV,EAAiB1C,EAAM0C,eAEvBiZ,EAAcjZ,GADC1C,EAAME,WAAaF,EAAME,WAAawC,GAErDsY,EAAelxB,KAAKkxB,aAGpBG,QAA6B1iB,IAAjBuiB,EAA6BA,EAAejD,EAAUoD,SAAWzY,GAAkB5Y,KAAKgjB,SACpGsO,EAASrD,EAAUqD,OAAS1Y,EAAiB5Y,KAAKgjB,SAGlDxL,EADiB,KACDqa,EAGhB7N,EAAY3b,KAAK+U,MAAMkU,EAASD,GAAY7Z,GAG5Cib,EAAcxL,EAAIC,eAAehR,EAAMU,eAAiBV,EAAMc,MAAOd,EAAMa,cAI/E,GAFAzU,IAAOpB,KAAK,qBAEPuxB,EAAL,CAMA,IADA,IAAI1a,EAAU,GACL9Q,EAAI,EAAGA,EAAI+c,EAAW/c,IAAK,CAClC,IAAIyQ,EAAQ2Z,EAAWpqB,EAAIuQ,EAC3BO,EAAQnQ,KAAK,CAAEiQ,KAAM4a,EAAapb,IAAKK,EAAOI,IAAKJ,IAErDxB,EAAM6B,QAAUA,EAEhB/X,KAAK6tB,WAAW3X,EAAO8C,EAAYC,QAXjC3W,IAAOvB,MAAM,gG,EAcjBotB,SAAA,SAAUjY,GACR,IAAmC8B,EAA/BzR,EAAS2P,EAAM6B,QAAQxR,OACrBqS,EAAiB1C,EAAM0C,eACvByV,EAAUruB,KAAK+iB,SACfuL,EAAUtuB,KAAKgjB,SAErB,GAAIzc,EAAQ,CACV,IAAK,IAAIoC,EAAQ,EAAGA,EAAQpC,EAAQoC,KAClCqP,EAAS9B,EAAM6B,QAAQpP,IAGhB0O,KAAQW,EAAOX,IAAMgX,GAAWzV,EACvCZ,EAAOF,KAAQE,EAAOF,IAAMwW,GAAW1V,EAEzC5Y,KAAKiU,SAASmB,QAAQC,IAAMrQ,sBAAuB,CACjD+S,QAAS7B,EAAM6B,UAInB7B,EAAM6B,QAAU,I,EAGlBqW,UAAA,SAAWlY,GACTA,EAAM6B,QAAQyX,MAAK,SAAUC,EAAG1K,GAC9B,OAAQ0K,EAAEpY,IAAM0N,EAAE1N,OAGpB,IAAmCW,EAA/BzR,EAAS2P,EAAM6B,QAAQxR,OACrBqS,EAAiB1C,EAAM0C,eACvByV,EAAUruB,KAAK+iB,SAErB,GAAIxc,EAAQ,CACV,IAAK,IAAIoC,EAAQ,EAAGA,EAAQpC,EAAQoC,KAClCqP,EAAS9B,EAAM6B,QAAQpP,IAGhB0O,KAAQW,EAAOX,IAAMgX,GAAWzV,EAEzC5Y,KAAKiU,SAASmB,QAAQC,IAAMtQ,sBAAuB,CACjDgT,QAAS7B,EAAM6B,UAInB7B,EAAM6B,QAAU,I,EAGlBuX,cAAA,SAAelvB,EAAOsyB,GACpB,IAAIpsB,EACJ,QAAkBqI,IAAd+jB,EACF,OAAOtyB,EAaT,IAREkG,EAFEosB,EAAYtyB,GAEJ,WAGD,WAKJiI,KAAK0e,IAAI3mB,EAAQsyB,GAAa,YACnCtyB,GAASkG,EAGX,OAAOlG,G,KElvBIuyB,E,WAvCb,WAAa1e,GACXjU,KAAKiU,SAAWA,E,2BAGlBF,QAAA,a,EAGA8E,eAAA,a,EAGAV,iBAAA,a,EAGAiB,MAAA,SAAO4H,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,EAAoB0Z,GAC9F,IAAI3e,EAAWjU,KAAKiU,SAChB4e,EAAa,GACb7R,IACF6R,GAAc,SAGZjQ,IACFiQ,GAAc,SAGhB5e,EAASmB,QAAQC,IAAMpQ,kBAAmB,CACxCksB,MAAOyB,EACP7E,SAAU/U,EACVqY,SAAUrY,EACVzX,KAAMsxB,EACNtB,WAAYvQ,EACZwQ,WAAY5O,EACZ6O,GAAI,EACJxR,QAAS,IAGXhM,EAASmB,QAAQC,IAAMnQ,c,KDpBrBzD,EAASC,cAIf,IACEqrB,EAAMtrB,EAAOqxB,YAAY/F,IAAIzsB,KAAKmB,EAAOqxB,aACzC,MAAO9d,GACP1S,IAAOtB,MAAM,qDACb+rB,EAAMtrB,EAAOsxB,KAAKhG,I,IAGdiG,E,WACJ,WAAa/e,EAAUuL,EAAetL,EAAQ8Y,GAC5ChtB,KAAKiU,SAAWA,EAChBjU,KAAKwf,cAAgBA,EACrBxf,KAAKkU,OAASA,EACdlU,KAAKgtB,OAASA,E,2BAGhBjZ,QAAA,WACE,IAAIkf,EAAUjzB,KAAKizB,QACfA,GACFA,EAAQlf,W,EAIZnM,KAAA,SAAMvB,EAAMmX,EAAapF,EAAajC,EAAYkC,EAAYW,EAAYka,EAAeC,EAAala,EAAYX,EAAUY,EAAoBka,GAAgB,WAC9J,GAAK/sB,EAAK4B,WAAa,GAAsB,MAAfuV,GAA4C,MAAnBA,EAAYnd,KAAwC,YAAvBmd,EAAYmC,OAAuB,CACrH,IAAIjC,EAAY1d,KAAK0d,UACJ,MAAbA,IACFA,EAAY1d,KAAK0d,UAAY,IAAI1J,EAAUhU,KAAKiU,SAAUjU,KAAKkU,SAGjE,IAAMmf,EAAYtG,IAClBrP,EAAUrO,QAAQhJ,EAAMmX,EAAYnd,IAAIqI,OAAQ8U,EAAYrO,GAAGzG,QAAQ,SAAC0V,GACtE,IAAMkV,EAAUvG,IAChB,EAAK9Y,SAASmB,QAAQC,IAAMxQ,eAAgB,CAAE0uB,MAAO,CAAEC,OAAQH,EAAWI,SAAUH,KACpF,EAAKI,cAAc,IAAIxrB,WAAWkW,GAAgBZ,EAAa,IAAItV,WAAWkQ,GAAcjC,EAAYkC,EAAYW,EAAYka,EAAeC,EAAala,EAAYX,EAAUY,EAAoBka,WAGxMpzB,KAAK0zB,cAAc,IAAIxrB,WAAW7B,GAAOmX,EAAa,IAAItV,WAAWkQ,GAAcjC,EAAYkC,EAAYW,EAAYka,EAAeC,EAAala,EAAYX,EAAUY,EAAoBka,I,EAIjMM,cAAA,SAAertB,EAAMmX,EAAapF,EAAajC,EAAYkC,EAAYW,EAAYka,EAAeC,EAAala,EAAYX,EAAUY,EAAoBka,GACvJ,IAAIH,EAAUjzB,KAAKizB,QACnB,IAAKA,IAIDC,GAAiBC,KAAiBnzB,KAAK8V,MAAMzP,GAAQ,CAavD,IAZA,IAAM4N,EAAWjU,KAAKiU,SAChBuL,EAAgBxf,KAAKwf,cACrBtL,EAASlU,KAAKkU,OAEdyf,EAAY,CAChB,CAAEC,MAAOrU,EAAWnG,MAAO0T,GAC3B,CAAE8G,MAAOC,IAAYza,MAAOuZ,GAC5B,CAAEiB,MAAO3b,EAAYmB,MAAO0T,GAC5B,CAAE8G,MAAO5M,EAAY5N,MAAO0T,IAIrB7lB,EAAI,EAAG0C,EAAMgqB,EAAUptB,OAAQU,EAAI0C,EAAK1C,IAAK,CACpD,IAAM6sB,EAAMH,EAAU1sB,GAChB6O,EAAQge,EAAIF,MAAM9d,MACxB,GAAIA,EAAMzP,GAAO,CACf,IAAM6R,EAAUlY,KAAKkY,QAAU,IAAI4b,EAAI1a,MAAMnF,EAAUC,EAAQsL,EAAexf,KAAKgtB,QACnFiG,EAAU,IAAIa,EAAIF,MAAM3f,EAAUiE,EAAShE,EAAQsL,GACnDxf,KAAK8V,MAAQA,EACb,OAGJ,IAAKmd,EAEH,YADAhf,EAASmB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAWyP,YAAaC,QAASzP,IAAamR,mBAAoBxB,OAAO,EAAMC,OAAQ,yCAG/H1V,KAAKizB,QAAUA,EAEjB,IAAM/a,EAAUlY,KAAKkY,SAEjBgb,GAAiBC,KACnBF,EAAQ9a,iBAAiBC,EAAajC,EAAYkC,EAAYC,GAC9DJ,EAAQC,oBAEN+a,IACFD,EAAQpa,eAAeua,GACvBlb,EAAQW,eAAeua,IAEa,mBAA3BH,EAAQvT,gBACjBuT,EAAQvT,eAAelC,GAGzByV,EAAQla,OAAO1S,EAAM2S,EAAYC,EAAYC,I,KAIlC8Z,O,6BEtHf,kBAMM7L,EAAa9e,KAAK+e,IAAI,EAAG,IAAM,EAE/ByM,E,WACJ,WAAa5f,EAAUiE,GACrBlY,KAAKiU,SAAWA,EAChBjU,KAAKkY,QAAUA,E,2BAGjBW,eAAA,SAAgBwV,GACdruB,KAAKquB,QAAUA,G,EAGjBlW,iBAAA,SAAkBC,EAAajC,EAAYkC,EAAYC,GAErD,GAAIF,GAAeA,EAAYnQ,WAAY,CACzC,IAAM8rB,EAAW/zB,KAAK+zB,SAAWF,EAAWG,iBAAiB5b,GAI3C,MAAdjC,IACFA,EAAa,aAGG,MAAdkC,IACFA,EAAa,eAGf,IAAM6S,EAAS,GACX6I,EAAS1U,OAAS0U,EAAS3U,MAC7B8L,EAAO+I,WAAa,CAAEzb,UAAW,YAAaxB,MAAOb,EAAa,IAAMkC,EAAYD,YAAaE,EAAWF,EAAc,OAEtH2b,EAAS1U,QACX6L,EAAO7L,MAAQ,CAAE7G,UAAW,YAAaxB,MAAOb,EAAYiC,YAAaE,EAAWF,EAAc,OAGhG2b,EAAS3U,QACX8L,EAAO9L,MAAQ,CAAE5G,UAAW,YAAaxB,MAAOqB,EAAYD,YAAaE,EAAWF,EAAc,QAGtGpY,KAAKiU,SAASmB,QAAQC,IAAMvQ,0BAA2B,CAAEomB,gBAErD/U,IACFnW,KAAKmW,WAAaA,GAGhBkC,IACFrY,KAAKqY,WAAaA,I,EAKjBvC,MAAP,SAAczP,GAEZ,OAAOwtB,EAAWK,QAAQ,CAAE7tB,KAAMA,EAAMsa,MAAO,EAAGlZ,IAAKY,KAAK0S,IAAI1U,EAAKE,OAAQ,QAAU,CAAC,SAASA,OAAS,G,EAGrG4tB,QAAP,SAAgBzrB,GACd,OAAOpB,OAAOC,aAAaxF,MAAM,KAAM2G,I,EAGlC0rB,WAAP,SAAmB1rB,EAAQpC,GACrBoC,EAAOrC,OACTC,GAAUoC,EAAOiY,MACjBjY,EAASA,EAAOrC,MAGlB,IAAMguB,EAAM3rB,EAAOpC,IAAW,EAClBoC,EAAOpC,EAAS,GAE5B,OAAO+tB,EAAM,EAAI,MAAQA,EAAMA,G,EAG1BC,WAAP,SAAmB5rB,EAAQpC,GACrBoC,EAAOrC,OACTC,GAAUoC,EAAOiY,MACjBjY,EAASA,EAAOrC,MAGlB,IAAMguB,EAAM3rB,EAAOpC,IAAW,GAClBoC,EAAOpC,EAAS,IAAM,GACtBoC,EAAOpC,EAAS,IAAM,EACtBoC,EAAOpC,EAAS,GAC5B,OAAO+tB,EAAM,EAAI,WAAaA,EAAMA,G,EAG/BE,YAAP,SAAoB7rB,EAAQpC,EAAQlG,GAC9BsI,EAAOrC,OACTC,GAAUoC,EAAOiY,MACjBjY,EAASA,EAAOrC,MAElBqC,EAAOpC,GAAUlG,GAAS,GAC1BsI,EAAOpC,EAAS,GAAMlG,GAAS,GAAM,IACrCsI,EAAOpC,EAAS,GAAMlG,GAAS,EAAK,IACpCsI,EAAOpC,EAAS,GAAa,IAARlG,G,EAIhB8zB,QAAP,SAAgB7tB,EAAM0E,GACpB,IACE9D,EAAGJ,EAAYY,EAAK+sB,EAAY7T,EAAO8T,EADrCC,EAAU,GAYd,GATIruB,EAAKA,MACPsa,EAAQta,EAAKsa,MACblZ,EAAMpB,EAAKoB,IACXpB,EAAOA,EAAKA,OAEZsa,EAAQ,EACRlZ,EAAMpB,EAAK4B,aAGR8C,EAAKxE,OAER,OAAO,KAGT,IAAKU,EAAI0Z,EAAO1Z,EAAIQ,GAGlBgtB,GAFA5tB,EAAOgtB,EAAWS,WAAWjuB,EAAMY,IAEnB,EAAIA,EAAIJ,EAAOY,EADxBosB,EAAWM,QAAQ9tB,EAAKO,SAASK,EAAI,EAAGA,EAAI,MAGtC8D,EAAK,KACI,IAAhBA,EAAKxE,OAGPmuB,EAAQ9sB,KAAK,CAAEvB,KAAMA,EAAMsa,MAAO1Z,EAAI,EAAGQ,IAAKgtB,KAG9CD,EAAaX,EAAWK,QAAQ,CAAE7tB,KAAMA,EAAMsa,MAAO1Z,EAAI,EAAGQ,IAAKgtB,GAAU1pB,EAAK2C,MAAM,KACvEnH,SACbmuB,EAAUA,EAAQ9mB,OAAO4mB,KAI/BvtB,EAAIwtB,EAIN,OAAOC,G,EAGFC,kBAAP,SAA0Bvc,GACxB,IAKIwc,EALEtM,EAAOuL,EAAWK,QAAQ9b,EAAa,CAAC,SAAS,GACjDyc,EAAgBvM,EAAOA,EAAK7gB,IAAM,KAEpCkB,EAAQ,EACRmsB,EAAOjB,EAAWK,QAAQ9b,EAAa,CAAC,SAG5C,IAAK0c,IAASA,EAAK,GACjB,OAAO,KAGTF,EAAa,GAGb,IAAMG,GAFND,EAAOA,EAAK,IAESzuB,KAAK,GAG1BsC,EAAoB,IAAZosB,EAAgB,EAAI,GAE5B,IAAMlK,EAAYgJ,EAAWS,WAAWQ,EAAMnsB,GAC9CA,GAAS,EAQPA,GADc,IAAZosB,EACO,EAEA,GAIXpsB,GAAS,EAET,IAAIqsB,EAAYF,EAAKrtB,IAXH,EAaZwtB,EAAkBpB,EAAWO,WAAWU,EAAMnsB,GACpDA,GAAS,EAET,IAAK,IAAI1B,EAAI,EAAGA,EAAIguB,EAAiBhuB,IAAK,CACxC,IAAIiuB,EAAiBvsB,EAEfwsB,EAAgBtB,EAAWS,WAAWQ,EAAMI,GAClDA,GAAkB,EAElB,IAAME,EAAgC,WAAhBD,EAGtB,GAAsB,KAFiB,WAAhBA,KAAgC,GAIrD,YADAtzB,QAAQX,KAAK,oDAIf,IAAMm0B,EAAqBxB,EAAWS,WAAWQ,EAAMI,GACvDA,GAAkB,EAElBN,EAAWhtB,KAAK,CACdwtB,gBACAC,qBACAl0B,KAAM,CACJmX,SAAU+c,EAAqBxK,EAC/BlK,MAAOqU,EACPvtB,IAAKutB,EAAYI,EAAgB,KAIrCJ,GAAaI,EAObzsB,EAHAusB,GAAkB,EAMpB,MAAO,CACLI,yBAvD6B,EAwD7BzK,YACAkK,UACAE,kBACAL,aACAC,kB,EAuBGb,iBAAP,SAAyB5b,GACvB,IAAIlD,EAAS,GAmCb,OAlCY2e,EAAWK,QAAQ9b,EAAa,CAAC,OAAQ,SAE/CjW,SAAQ,SAAAknB,GACZ,IAAMG,EAAOqK,EAAWK,QAAQ7K,EAAM,CAAC,SAAS,GAChD,GAAIG,EAAM,CACR,IAAIuL,EAAUvL,EAAKnjB,KAAKmjB,EAAK7I,OACzBhY,EAAoB,IAAZosB,EAAgB,GAAK,GAC7BQ,EAAU1B,EAAWS,WAAW9K,EAAM7gB,GAEpCsf,EAAO4L,EAAWK,QAAQ7K,EAAM,CAAC,OAAQ,SAAS,GACxD,GAAIpB,EAAM,CAERtf,EAAoB,KADpBosB,EAAU9M,EAAK5hB,KAAK4hB,EAAKtH,QACD,GAAK,GAC7B,IAAMkK,EAAYgJ,EAAWS,WAAWrM,EAAMtf,GAExCof,EAAO8L,EAAWK,QAAQ7K,EAAM,CAAC,OAAQ,SAAS,GACxD,GAAItB,EAAM,CACR,IACIxmB,EAAO,CAAE,KAAQ,QAAS,KAAQ,SADrBsyB,EAAWM,QAAQpM,EAAK1hB,KAAKO,SAASmhB,EAAKpH,MAAQ,EAAGoH,EAAKpH,MAAQ,MAEpF,GAAIpf,EAAM,CAER,IAAIi0B,EAAW3B,EAAWK,QAAQ7K,EAAM,CAAC,OAAQ,OAAQ,OAAQ,SACjE,GAAImM,EAASjvB,OAAQ,CACnBivB,EAAWA,EAAS,GACpB,IAAIC,EAAY5B,EAAWM,QAAQqB,EAASnvB,KAAKO,SAAS4uB,EAAS7U,MAAQ,GAAI6U,EAAS7U,MAAQ,KAChGre,IAAOrB,IAAP,cAAyBM,EAAzB,IAAiCk0B,EAAjC,UAEFvgB,EAAOqgB,GAAW,CAAE1K,UAAWA,EAAWtpB,KAAMA,GAChD2T,EAAO3T,GAAQ,CAAEspB,UAAWA,EAAWpS,GAAI8c,UAM9CrgB,G,EAmBFwgB,YAAP,SAAoB3B,EAAUpoB,GAC5B,IAAIgqB,EAAOC,EAAW1gB,EAmCtB,OAhCAygB,EAAQ9B,EAAWK,QAAQvoB,EAAU,CAAC,OAAQ,SAG9CiqB,EAAY,GAAGhoB,OAAO7L,MAAM,GAAI4zB,EAAME,KAAI,SAAUzM,GAClD,OAAOyK,EAAWK,QAAQ9K,EAAM,CAAC,SAASyM,KAAI,SAAU1M,GACtD,IAAI1Q,EAAIqd,EAqBR,OAlBArd,EAAKob,EAAWS,WAAWnL,EAAM,GAEjC2M,EAAQ/B,EAAStb,GAAIoS,WAAa,IAGvBgJ,EAAWK,QAAQ9K,EAAM,CAAC,SAASyM,KAAI,SAAU3M,GAC1D,IAAI6L,EAAS7f,EASb,OAPA6f,EAAU7L,EAAK7iB,KAAK6iB,EAAKvI,OACzBzL,EAAS2e,EAAWS,WAAWpL,EAAM,GACrB,IAAZ6L,IACF7f,GAAU7M,KAAK+e,IAAI,EAAG,IAEtBlS,GAAU2e,EAAWS,WAAWpL,EAAM,IAEjChU,KACN,GAEe4gB,SAKtB5gB,EAAS7M,KAAK0S,IAAIhZ,MAAM,KAAM6zB,GACvB3vB,SAASiP,GAAUA,EAAS,G,EAG9B6gB,eAAP,SAAuBhC,EAAUpoB,EAAUqN,GACzC6a,EAAWK,QAAQvoB,EAAU,CAAC,OAAQ,SAASkqB,KAAI,SAAUzM,GAC3D,OAAOyK,EAAWK,QAAQ9K,EAAM,CAAC,SAASyM,KAAI,SAAU1M,GAEtD,IAAI1Q,EAAKob,EAAWS,WAAWnL,EAAM,GAEjC0B,EAAYkJ,EAAStb,GAAIoS,WAAa,IAG1CgJ,EAAWK,QAAQ9K,EAAM,CAAC,SAASyM,KAAI,SAAU3M,GAC/C,IAAI6L,EAAU7L,EAAK7iB,KAAK6iB,EAAKvI,OACzBsK,EAAsB4I,EAAWS,WAAWpL,EAAM,GACtD,GAAgB,IAAZ6L,EACFlB,EAAWU,YAAYrL,EAAM,EAAG+B,EAAsBjS,EAAa6R,OAC9D,CACLI,GAAuB5iB,KAAK+e,IAAI,EAAG,IACnC6D,GAAuB4I,EAAWS,WAAWpL,EAAM,GACnD+B,GAAuBjS,EAAa6R,EACpCI,EAAsB5iB,KAAKslB,IAAI1C,EAAqB,GACpD,IAAM+K,EAAQ3tB,KAAKoW,MAAMwM,GAAuB9D,EAAa,IACvD8O,EAAQ5tB,KAAKoW,MAAMwM,GAAuB9D,EAAa,IAC7D0M,EAAWU,YAAYrL,EAAM,EAAG8M,GAChCnC,EAAWU,YAAYrL,EAAM,EAAG+M,c,EAQ1Cld,OAAA,SAAQ1S,EAAM2S,EAAYC,EAAYC,GACpC,IAAI6a,EAAW/zB,KAAK+zB,SACfA,IACH/zB,KAAKmY,iBAAiB9R,EAAMrG,KAAKmW,WAAYnW,KAAKqY,YAAY,GAC9D0b,EAAW/zB,KAAK+zB,UAElB,IAAI1C,EAAUhD,EAAUruB,KAAKquB,QAC7B,QAAgB1f,IAAZ0f,EAAuB,CACzB,IAAIgD,EAAWwC,EAAW6B,YAAY3B,EAAU1tB,GAChDrG,KAAKquB,QAAUA,EAAUgD,EAAWrY,EACpChZ,KAAKiU,SAASmB,QAAQC,IAAM7Q,eAAgB,CAAE6pB,QAASA,IAEzDwF,EAAWkC,eAAehC,EAAU1tB,EAAMgoB,GAC1CgD,EAAWwC,EAAW6B,YAAY3B,EAAU1tB,GAC5CrG,KAAKkY,QAAQkB,MAAM2a,EAAS1U,MAAO0U,EAAS3U,MAAO,KAAM,KAAMiS,EAAUpY,EAAYC,EAAoB7S,I,EAG3G0N,QAAA,a,KAGa8f,O,gBC9Yf,SAASqC,EAAsBC,GAErB,IAAIC,EAAmB,GAGvB,SAASC,EAAoBC,GAG3B,GAAGF,EAAiBE,GAClB,OAAOF,EAAiBE,GAAU12B,QAGpC,IAAIC,EAASu2B,EAAiBE,GAAY,CACxCrvB,EAAGqvB,EACHvoB,GAAG,EACHnO,QAAS,IAUX,OANAu2B,EAAQG,GAAU51B,KAAKb,EAAOD,QAASC,EAAQA,EAAOD,QAASy2B,GAG/Dx2B,EAAOkO,GAAI,EAGJlO,EAAOD,QAIhBy2B,EAAoBE,EAAIJ,EAGxBE,EAAoB7sB,EAAI4sB,EAGxBC,EAAoBpvB,EAAI,SAAS7G,GAAS,OAAOA,GAGjDi2B,EAAoBtlB,EAAI,SAASnR,EAAS4N,EAAMrN,GAC1Ck2B,EAAoBG,EAAE52B,EAAS4N,IACjCjN,OAAOk2B,eAAe72B,EAAS4N,EAAM,CACnCkpB,cAAc,EACdz2B,YAAY,EACZC,IAAKC,KAMXk2B,EAAoBM,EAAI,SAAS/2B,GAC/BW,OAAOk2B,eAAe72B,EAAS,aAAc,CAAEQ,OAAO,KAIxDi2B,EAAoBO,EAAI,SAAS/2B,GAC/B,IAAIM,EAASN,GAAUA,EAAOg3B,WAC5B,WAAwB,OAAOh3B,EAAgB,SAC/C,WAA8B,OAAOA,GAEvC,OADAw2B,EAAoBtlB,EAAE5Q,EAAQ,IAAKA,GAC5BA,GAITk2B,EAAoBG,EAAI,SAAS71B,EAAQC,GAAY,OAAOL,OAAOC,UAAUC,eAAeC,KAAKC,EAAQC,IAGzGy1B,EAAoBS,EAAI,IAGxBT,EAAoBU,GAAK,SAAS/hB,GAA2B,MAApBnT,QAAQT,MAAM4T,GAAYA,GAE3E,IAAIgiB,EAAIX,EAAoBA,EAAoBY,EAAIC,cACpD,OAAOF,EAAEG,SAAWH,EAGtB,IACII,EAAmB,6DAGvB,SAASC,EAAaC,GACpB,OAAQA,EAAM,IAAI/tB,QAAQ,uBAAwB,QAOpD,SAASguB,EAAuBC,EAAS33B,EAAQ43B,GAC/C,IAAIC,EAAS,GACbA,EAAOD,GAAa,GAEpB,IAAIE,EAAW93B,EAAOylB,WAClBsS,EAAmBD,EAASzK,MAAM,0CACtC,IAAK0K,EAAkB,OAAOF,EAM9B,IALA,IAIIxK,EAJA2K,EAAqBD,EAAiB,GAGtCE,EAAK,IAAIC,OAAO,cAAgBV,EAAYQ,GAAsBT,EAAkB,KAEhFlK,EAAQ4K,EAAGvsB,KAAKosB,IACL,kBAAbzK,EAAM,IACVwK,EAAOD,GAAW7vB,KAAKslB,EAAM,IAK/B,IADA4K,EAAK,IAAIC,OAAO,MAAQV,EAAYQ,GAAsB,wDAA4DT,EAAkB,KAChIlK,EAAQ4K,EAAGvsB,KAAKosB,IACjBH,EAAQtK,EAAM,MACjBwK,EAAOD,GAAW7vB,KAAKslB,EAAM,IAC7BsK,EAAQtK,EAAM,IAAMmJ,EAAoBnJ,EAAM,IAAIqJ,GAEpDmB,EAAOxK,EAAM,IAAMwK,EAAOxK,EAAM,KAAO,GACvCwK,EAAOxK,EAAM,IAAItlB,KAAKslB,EAAM,IAK9B,IADA,IAjCiB0J,EAiCbhI,EAAOruB,OAAOquB,KAAK8I,GACdzwB,EAAI,EAAGA,EAAI2nB,EAAKroB,OAAQU,IAC/B,IAAK,IAAI2H,EAAI,EAAGA,EAAI8oB,EAAO9I,EAAK3nB,IAAIV,OAAQqI,IAnC7BgoB,EAoCCc,EAAO9I,EAAK3nB,IAAI2H,GAnC1BqV,MAAM,EAAI2S,KAoCZc,EAAO9I,EAAK3nB,IAAI2H,GAAK,EAAI8oB,EAAO9I,EAAK3nB,IAAI2H,IAK/C,OAAO8oB,EAGT,SAASM,EAAmBC,GAE1B,OADW13B,OAAOquB,KAAKqJ,GACXpI,QAAO,SAAUqI,EAAW73B,GACtC,OAAO63B,GAAaD,EAAO53B,GAAKkG,OAAS,KACxC,GAqCL1G,EAAOD,QAAU,SAAU02B,EAAU6B,GACnCA,EAAUA,GAAW,GACrB,IAAIX,EAAU,CACZY,KAAM,KAGJC,EAAkBF,EAAQG,IAAM,CAAEF,KAAM73B,OAAOquB,KAAK4I,EAAQY,OAxClE,SAA6BZ,EAASlB,GAWpC,IAVA,IAAIiC,EAAe,CACjBH,KAAM,CAAC9B,IAEL+B,EAAkB,CACpBD,KAAM,IAEJI,EAAc,CAChBJ,KAAM,IAGDJ,EAAkBO,IAEvB,IADA,IAAIN,EAAS13B,OAAOquB,KAAK2J,GAChBtxB,EAAI,EAAGA,EAAIgxB,EAAO1xB,OAAQU,IAAK,CACtC,IAAIwwB,EAAYQ,EAAOhxB,GAEnBwxB,EADQF,EAAad,GACCiB,MAE1B,GADAF,EAAYf,GAAae,EAAYf,IAAc,IAC/Ce,EAAYf,GAAWgB,IAAmBjB,EAAQC,GAAWgB,GAAjE,CACAD,EAAYf,GAAWgB,IAAiB,EACxCJ,EAAgBZ,GAAaY,EAAgBZ,IAAc,GAC3DY,EAAgBZ,GAAW7vB,KAAK6wB,GAGhC,IAFA,IAAIE,EAAapB,EAAsBC,EAASA,EAAQC,GAAWgB,GAAgBhB,GAC/EmB,EAAiBr4B,OAAOquB,KAAK+J,GACxB/pB,EAAI,EAAGA,EAAIgqB,EAAeryB,OAAQqI,IACzC2pB,EAAaK,EAAehqB,IAAM2pB,EAAaK,EAAehqB,KAAO,GACrE2pB,EAAaK,EAAehqB,IAAM2pB,EAAaK,EAAehqB,IAAIhB,OAAO+qB,EAAWC,EAAehqB,MAKzG,OAAOypB,EASmEQ,CAAmBrB,EAASlB,GAElGwC,EAAM,GAEVv4B,OAAOquB,KAAKyJ,GAAiBrG,QAAO,SAAUuE,GAAK,MAAa,SAANA,KAAgBp0B,SAAQ,SAAUtC,GAE1F,IADA,IAAIk5B,EAAc,EACXV,EAAgBx4B,GAAQk5B,IAC7BA,IAEFV,EAAgBx4B,GAAQ+H,KAAKmxB,GAC7BvB,EAAQ33B,GAAQk5B,GAAe,6FAC/BD,EAAMA,EAAM,OAASj5B,EAAS,OAASq2B,EAAqB5Q,WAAW/b,QAAQ,eAAgByvB,KAAKC,UAAUF,IAAgB,MAAQV,EAAgBx4B,GAAQg2B,KAAI,SAAUpd,GAAM,OAAYugB,KAAKC,UAAUxgB,GAAM,KAAO+e,EAAQ33B,GAAQ4Y,GAAI6M,cAAcpZ,KAAK,KAAO,WAG1Q4sB,EAAMA,EAAM,SAAW5C,EAAqB5Q,WAAW/b,QAAQ,eAAgByvB,KAAKC,UAAU3C,IAAa,MAAQ+B,EAAgBD,KAAKvC,KAAI,SAAUpd,GAAM,OAAYugB,KAAKC,UAAUxgB,GAAM,KAAO+e,EAAQY,KAAK3f,GAAI6M,cAAcpZ,KAAK,KAAO,aAE/O,IAAIgtB,EAAO,IAAInvB,OAAOovB,KAAK,CAACL,GAAM,CAAEv3B,KAAM,oBAC1C,GAAI42B,EAAQiB,KAAQ,OAAOF,EAE3B,IAEIG,GAFMtvB,OAAOuvB,KAAOvvB,OAAOwvB,WAAaxvB,OAAOyvB,QAAUzvB,OAAO0vB,OAEhDC,gBAAgBR,GAChCS,EAAS,IAAI5vB,OAAO6vB,OAAOP,GAG/B,OAFAM,EAAOE,UAAYR,EAEZM,I,6BCxMT,uCA0EeG,UA/DK,SAAU9vB,GAE5B,IAAIiK,EAAW,IAAI9G,eACnB8G,EAASmB,QAAU,SAAkBxI,GAAgB,2BAANvG,EAAM,iCAANA,EAAM,kBACnD4N,EAAS9F,KAAT,MAAA8F,EAAQ,CAAMrH,EAAOA,GAAb,OAAuBvG,KAGjC4N,EAASlF,IAAM,SAAcnC,GAAgB,2BAANvG,EAAM,iCAANA,EAAM,kBAC3C4N,EAASvF,eAAT,MAAAuF,EAAQ,CAAgBrH,GAAhB,OAA0BvG,KAGpC,IAAI0zB,EAAiB,SAAUC,EAAI3zB,GACjC2D,EAAKiwB,YAAY,CAAErtB,MAAOotB,EAAI3zB,KAAMA,KAGtC2D,EAAKkwB,iBAAiB,WAAW,SAAUF,GACzC,IAAI3zB,EAAO2zB,EAAG3zB,KAEd,OAAQA,EAAK8zB,KACb,IAAK,OACH,IAAMjmB,EAAS8kB,KAAKoB,MAAM/zB,EAAK6N,QAC/BlK,EAAKipB,QAAU,IAAID,IAAc/e,EAAU5N,EAAKmZ,cAAetL,EAAQ7N,EAAK2mB,QAE5EhrB,YAAWkS,EAAOlT,OAGlB+4B,EAAe,OAAQ,MACvB,MACF,IAAK,QACH/vB,EAAKipB,QAAQrrB,KAAKvB,EAAKA,KAAMA,EAAKmX,YAAanX,EAAK+R,YAAa/R,EAAK8P,WAAY9P,EAAKgS,WAAYhS,EAAK2S,WAAY3S,EAAK6sB,cAAe7sB,EAAK8sB,YAAa9sB,EAAK4S,WAAY5S,EAAKiS,SAAUjS,EAAK6S,mBAAoB7S,EAAK+sB,oBAQ5Nnf,EAASpF,GAAGwG,IAAMxQ,eAAgBk1B,GAClC9lB,EAASpF,GAAGwG,IAAMvQ,0BAA2Bi1B,GAC7C9lB,EAASpF,GAAGwG,IAAMnQ,YAAa60B,GAC/B9lB,EAASpF,GAAGwG,IAAM9P,MAAOw0B,GACzB9lB,EAASpF,GAAGwG,IAAMrQ,sBAAuB+0B,GACzC9lB,EAASpF,GAAGwG,IAAMtQ,sBAAuBg1B,GACzC9lB,EAASpF,GAAGwG,IAAM7Q,eAAgBu1B,GAGlC9lB,EAASpF,GAAGwG,IAAMpQ,mBAAmB,SAAU+0B,EAAI3zB,GACjD,IAAIg0B,EAAe,GACfllB,EAAU,CAAEvI,MAAOotB,EAAI3zB,KAAMA,GAC7BA,EAAK8qB,QACPhc,EAAQgc,MAAQ9qB,EAAK8qB,MAAMzoB,OAC3B2xB,EAAazyB,KAAKvB,EAAK8qB,MAAMzoB,eACtBrC,EAAK8qB,OAEV9qB,EAAK+qB,QACPjc,EAAQic,MAAQ/qB,EAAK+qB,MAAM1oB,OAC3B2xB,EAAazyB,KAAKvB,EAAK+qB,MAAM1oB,eACtBrC,EAAK+qB,OAEdpnB,EAAKiwB,YAAY9kB,EAASklB,Q,wCCiClBC,EAUAC,E,mCCtGNC,EAAwB,CAC5B,iBAAmB,EACnB,sBAAwB,EACxB,qBAAuB,GA2EVC,E,WAnEb,WAAaC,GAA4B,KAJzCA,SAIyC,OAHzCC,mBAGyC,OAFzCC,uBAEyC,EACvC56B,KAAK06B,IAAMA,EACX16B,KAAK66B,QAAU76B,KAAK66B,QAAQv6B,KAAKN,MAFM,2BAAfuN,EAAe,iCAAfA,EAAe,kBAGvCvN,KAAK26B,cAAgBptB,EACrBvN,KAAK46B,mBAAoB,EAEzB56B,KAAK86B,oB,2BAGP/mB,QAAA,WACE/T,KAAK+6B,sBACL/6B,KAAKg7B,sBACLh7B,KAAKi7B,sB,EAGGF,oBAAV,a,EACUE,mBAAV,a,EAEAC,eAAA,WACE,MAAqC,iBAAvBl7B,KAAK26B,eAA8B36B,KAAK26B,cAAcp0B,QAAkC,mBAAjBvG,KAAK66B,S,EAG5FC,kBAAA,WACM96B,KAAKk7B,kBACPl7B,KAAK26B,cAAcx4B,SAAQ,SAAUyK,GACnC,GAAI4tB,EAAsB5tB,GACxB,MAAM,IAAI9B,MAAM,yBAA2B8B,GAG7C5M,KAAK06B,IAAI7rB,GAAGjC,EAAO5M,KAAK66B,WACvB76B,O,EAIPg7B,oBAAA,WACMh7B,KAAKk7B,kBACPl7B,KAAK26B,cAAcx4B,SAAQ,SAAUyK,GACnC5M,KAAK06B,IAAI3rB,IAAInC,EAAO5M,KAAK66B,WACxB76B,O,EAOP66B,QAAA,SAASjuB,EAAevG,GACtBrG,KAAKm7B,eAAevuB,EAAOvG,I,EAG7B80B,eAAA,SAAgBvuB,EAAevG,GAS7B,KARsB,SAAUuG,EAAevG,GAC7C,IAAI+0B,EAAW,KAAOxuB,EAAMrD,QAAQ,MAAO,IAC3C,GAA8B,mBAAnBvJ,KAAKo7B,GACd,MAAM,IAAItwB,MAAJ,SAAmB8B,EAAnB,mCAA2D5M,KAAKq7B,YAAY7tB,KAA5E,iBAAiG4tB,EAAjG,KAGR,OAAOp7B,KAAKo7B,GAAU96B,KAAKN,KAAMqG,KAGjB3F,KAAKV,KAAM4M,EAAOvG,GAAM3F,OACxC,MAAOsU,GACP1S,IAAOlB,MAAP,mDAAgEwL,EAAhE,qBAA0FoI,EAAIG,QAA9F,2BAAiIH,GACjIhV,KAAK06B,IAAItlB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAWy1B,YAAa/lB,QAASzP,IAAay1B,mBAAoB9lB,OAAO,EAAO7I,MAAOA,EAAOoI,IAAKA,M,eDmBnIslB,K,oBAAAA,E,cAAAA,E,yBAAAA,E,gCAAAA,M,cAUAC,K,YAAAA,E,cAAAA,E,qBAAAA,M,2LE3GAiB,ECJSC,E,WASnB,WAAaC,EAAiBC,GAAqB,KAR3CC,KAAsB,KAQqB,KAN5CC,aAM4C,OAL5CC,YAK4C,OAJ5Cnc,OAAwB,KAIoB,KAH5Ctf,IAAyB,KAGmB,KAF5C8O,GAAwB,KAG7BnP,KAAK67B,QAAUH,EACf17B,KAAK87B,OAASH,E,mDAQd,OAJK37B,KAAK47B,MAAQ57B,KAAK87B,SACrB97B,KAAK47B,KAAOtxB,2BAAiBtK,KAAK67B,QAAS77B,KAAK87B,OAAQ,CAAEnxB,iBAAiB,KAGtE3K,KAAK47B,U,gNDfJJ,K,cAAAA,E,eAAAA,M,SAKSO,E,mCACXC,KAAsB,K,KACtBC,WAA8B,K,KAC9BC,aAAgC,K,KAGhCC,qB,MACLX,EAAsBY,QAAQ,E,EAC9BZ,EAAsBa,QAAQ,E,QAI1BC,SAAmB,E,KAEnBC,mBAAoC,K,KACpCC,gBAAiC,K,KACjCC,MAAuB,K,KACvBC,QAA2B,G,KAS3BC,Q,OAEAp7B,U,OAEAq7B,Y,OAEAC,a,OAEAvkB,c,OAEAqI,W,OAEAqK,GAA6B,E,KAE7B8R,MAAgB,E,KAEhBC,MAAgB,E,KAIhBC,c,OAGAC,Y,mCAGPC,aAAA,SAAc98B,EAAe+8B,GAC3B,IAAM1xB,EAASrL,EAAM4L,MAAM,IAAK,GAC1BoxB,EAAsB,GACN,IAAlB3xB,EAAOlF,OACT62B,EAAU,GAAKD,EAAeA,EAAaE,mBAAqB,EAEhED,EAAU,GAAK7iB,SAAS9O,EAAO,IAEjC2xB,EAAU,GAAK7iB,SAAS9O,EAAO,IAAM2xB,EAAU,GAC/Cp9B,KAAKi8B,WAAamB,G,EAqFpBE,oBAAA,SAAqB/7B,GACnBvB,KAAKm8B,mBAAmB56B,IAAQ,G,EAMlCg8B,oBAAA,SAAqBh8B,GACnB,OAAyC,IAAlCvB,KAAKm8B,mBAAmB56B,I,EAQjCi8B,2BAAA,SAA4BC,GAG1B,IAFA,IAAIC,EAAY,IAAIx1B,WAAW,IAEtBjB,EAAI,GAAIA,EAAI,GAAIA,IACvBy2B,EAAUz2B,GAAMw2B,GAAiB,GAAK,GAAKx2B,GAAM,IAGnD,OAAOy2B,G,EASTC,2BAAA,SAA4BX,EAAoBS,GAC9C,IAAIjgB,EAAcwf,EAQlB,OANIA,GAAYA,EAASrd,QAAUqd,EAASY,MAAQZ,EAAS7tB,MAC3DqO,EAAc,IAAIie,EAASuB,EAASnB,QAASmB,EAASlB,SAC1Cnc,OAASqd,EAASrd,OAC9BnC,EAAYrO,GAAKnP,KAAKw9B,2BAA2BC,IAG5CjgB,G,kCAtHP,OAJKxd,KAAKg8B,MAAQh8B,KAAK48B,SACrB58B,KAAKg8B,KAAO1xB,2BAAiBtK,KAAK68B,QAAS78B,KAAK48B,OAAQ,CAAEjyB,iBAAiB,KAGtE3K,KAAKg8B,M,aAGL57B,GACPJ,KAAKg8B,KAAO57B,I,gCAIZ,OAAKJ,KAAKi8B,WAIHj8B,KAAKi8B,WAHH,K,2CAUT,OAAOj8B,KAAKo9B,UAAU,K,yCAItB,OAAOp9B,KAAKo9B,UAAU,K,kCAItB,IAAKp9B,KAAKg9B,WAAah9B,KAAKk8B,aAC1B,OAAO,KAGT,IAAKl8B,KAAKk8B,cAAgBl8B,KAAKg9B,SAAU,CACvC,IAAIhS,EAAKhrB,KAAKgrB,GACI,iBAAPA,IAILhrB,KAAKg9B,UAAqC,YAAzBh9B,KAAKg9B,SAASrd,SAAyB3f,KAAKg9B,SAAS7tB,IACxE7M,IAAOpB,KAAP,sDAAkElB,KAAKg9B,SAASrd,OAAhF,wBAUFqL,EAAK,GAEPhrB,KAAKk8B,aAAel8B,KAAK29B,2BAA2B39B,KAAKg9B,SAAUhS,GAGrE,OAAOhrB,KAAKk8B,e,yCAIZ,GAA6B,OAAzBl8B,KAAKw8B,gBACP,OAAO,KAGT,IAAK,YAAgBx8B,KAAKw8B,iBACxB,OAAO,KAGT,IAAIlkB,EAAY,YAAgBtY,KAAKsY,UAAgBtY,KAAKsY,SAAT,EAEjD,OAAOtY,KAAKw8B,gBAA8B,IAAXlkB,I,gCAI/B,SAAWtY,KAAKwd,aAAwC,OAAzBxd,KAAKwd,YAAYogB,KAA2C,OAAzB59B,KAAKwd,YAAYnd,U,0MEvJlEw9B,E,WACnB,WAAaC,GAEX99B,KAAK+9B,MAAQ,EACb/9B,KAAKg+B,MAAQ,EACbh+B,KAAKi+B,UAAY,GACjBj+B,KAAKoY,YAAc,KACnBpY,KAAKk+B,MAAO,EACZl+B,KAAKm+B,gBAAiB,EACtBn+B,KAAKo+B,QAAU,EACfp+B,KAAKq+B,QAAU,EACfr+B,KAAKs+B,gBAAkB,KACvBt+B,KAAKu+B,eAAiB,EACtBv+B,KAAKw+B,cAAgB,EACrBx+B,KAAKuB,KAAO,KACZvB,KAAK8I,IAAMg1B,EACX99B,KAAK+0B,QAAU,K,kEAIf,SAAU/0B,KAAKi+B,UAAU,KAAM,YAAgBj+B,KAAKi+B,UAAU,GAAGzB,uB,gCCpB/DiC,EAA2B,gBAC3BC,EAAkB,wCAuFTC,E,WAnFb,WAAaC,GAKX,IAAK,IAAIC,IAJY,iBAAVD,IACTA,EAAQD,EAASG,cAAcF,IAGhBA,EACXA,EAAMn+B,eAAeo+B,KACvB7+B,KAAK6+B,GAAQD,EAAMC,I,2BAKzBE,eAAA,SAAgBC,GACd,IAAMC,EAAW1kB,SAASva,KAAKg/B,GAAW,IAC1C,OAAIC,EAAWj5B,OAAOk5B,iBACbxQ,IAGFuQ,G,EAGTE,mBAAA,SAAoBH,GAClB,GAAIh/B,KAAKg/B,GAAW,CAClB,IAAII,GAAep/B,KAAKg/B,IAAa,MAAMtxB,MAAM,GACjD0xB,GAAqC,EAArBA,EAAY74B,OAAc,IAAM,IAAM64B,EAGtD,IADA,IAAMh/B,EAAQ,IAAI8H,WAAWk3B,EAAY74B,OAAS,GACzCU,EAAI,EAAGA,EAAIm4B,EAAY74B,OAAS,EAAGU,IAC1C7G,EAAM6G,GAAKsT,SAAS6kB,EAAY1xB,MAAU,EAAJzG,EAAW,EAAJA,EAAQ,GAAI,IAG3D,OAAO7G,EAEP,OAAO,M,EAIXi/B,2BAAA,SAA4BL,GAC1B,IAAMC,EAAW1kB,SAASva,KAAKg/B,GAAW,IAC1C,OAAIC,EAAWj5B,OAAOk5B,iBACbxQ,IAGFuQ,G,EAGTK,qBAAA,SAAsBN,GACpB,OAAOO,WAAWv/B,KAAKg/B,K,EAGzBQ,iBAAA,SAAkBR,GAChB,OAAOh/B,KAAKg/B,I,EAGdS,kBAAA,SAAmBT,GACjB,IAAMU,EAAMjB,EAAyBlzB,KAAKvL,KAAKg/B,IAC/C,GAAY,OAARU,EAIJ,MAAO,CACLviB,MAAO5C,SAASmlB,EAAI,GAAI,IACxBriB,OAAQ9C,SAASmlB,EAAI,GAAI,M,EAItBZ,cAAP,SAAsBa,GACpB,IAAIzS,EAAO0R,EAAQ,GAEnB,IADAF,EAAgBkB,UAAY,EACqB,QAAzC1S,EAAQwR,EAAgBnzB,KAAKo0B,KAAkB,CACrD,IAAIv/B,EAAQ8sB,EAAM,GAEW,IAAzB9sB,EAAMiJ,QAFoB,MAG1BjJ,EAAM0L,YAHoB,OAGI1L,EAAMmG,OAAS,IAC/CnG,EAAQA,EAAMsN,MAAM,GAAI,IAG1BkxB,EAAM1R,EAAM,IAAM9sB,EAEpB,OAAOw+B,G,KCnFLiB,EAAsB,CAC1BxgB,MAAO,CACL,MAAQ,EACR,QAAQ,EACR,QAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,QAAQ,EACR,QAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,QAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,QAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,GAEVD,MAAO,CACL,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,QAAQ,EACR,MAAQ,EACR,MAAQ,IAWZ,SAAS0gB,EAAuB9oB,EAAezV,GAC7C,OAAOw+B,YAAYC,iBAAmBz+B,GAAQ,SAAvC,gBAA8DyV,EAA9D,KCvDT,IAAMipB,EAAwB,iDACxBC,EAA8B,qBAE9BC,EAA4B,IAAIpI,OAAO,CAC3C,0CAA0CqI,OAC1C,mBAAmBA,OACnB,0BAA0BA,OAC1B,iCAAiCA,OACjC,OAAOA,QACPl0B,KAAK,IAAK,KAENm0B,EAA4B,iWAE5BC,EAAmB,wBAEJC,E,kCACZC,UAAP,SAAkBC,EAA2BC,GAC3C,IAAK,IAAIz5B,EAAI,EAAGA,EAAIw5B,EAAOl6B,OAAQU,IAAK,CACtC,IAAM05B,EAAQF,EAAOx5B,GACrB,GAAI05B,EAAMloB,KAAOioB,EACf,OAAOC,I,EAKNC,oBAAP,SAA4B5pB,GAC1B,IACI9B,EADA2rB,EAAU7pB,EAAMhL,MAAM,KAS1B,OAPI60B,EAAQt6B,OAAS,GACnB2O,EAAS2rB,EAAQha,QAAU,IAC3B3R,GAAUqF,SAASsmB,EAAQha,SAASvB,SAAS,IAC7CpQ,IAAW,MAAQqF,SAASsmB,EAAQha,SAASvB,SAAS,KAAKwb,QAAQ,IAEnE5rB,EAAS8B,EAEJ9B,G,EAGF6rB,QAAP,SAAgBj4B,EAAKg1B,GACnB,OAAOzzB,mBAA4ByzB,EAASh1B,EAAK,CAAE6B,iBAAiB,K,EAG/Dq2B,oBAAP,SAA4BC,EAAgBpE,GAE1C,IAqBI3nB,EArBAgsB,EAAqB,GAIzB,SAASC,EAAWC,EAAuBrE,GACzC,CAAC,QAAS,SAAS56B,SAAQ,SAACZ,GAC1B,IAAM8/B,EAAWD,EAAOpP,QAAO,SAAChb,GAAD,ODDvC,SAAsBA,EAAezV,GACnC,IAAM+/B,EAAYzB,EAAoBt+B,GACtC,QAAS+/B,IAA8C,IAAjCA,EAAUtqB,EAAMtJ,MAAM,EAAG,ICDC6zB,CAAYvqB,EAAOzV,MAC7D,GAAI8/B,EAAS96B,OAAQ,CACnB,IAAMi7B,EAAYH,EAASrP,QAAO,SAAChb,GACjC,OAAwC,IAAjCA,EAAMlL,YAAY,OAAQ,IAA6C,IAAjCkL,EAAMlL,YAAY,OAAQ,MAEzEixB,EAASx7B,EAAJ,SAAmBigC,EAAUj7B,OAAS,EAAIi7B,EAAU,GAAKH,EAAS,GAGvED,EAASA,EAAOpP,QAAO,SAAChb,GAAD,OAAwC,IAA7BqqB,EAASh4B,QAAQ2N,UAIvD+lB,EAAM0E,cAAgBL,EAIxB,IArBAnB,EAAsBL,UAAY,EAqBsB,OAAhD1qB,EAAS+qB,EAAsB10B,KAAK01B,KAAkB,CAE5D,IAAMlE,EAAa,GAEb6B,EAAQ7B,EAAM6B,MAAQ,IAAID,EAASzpB,EAAO,IAChD6nB,EAAMj0B,IAAMy3B,EAAWQ,QAAQ7rB,EAAO,GAAI2nB,GAE1C,IAAM6E,EAAa9C,EAAMa,kBAAkB,cACvCiC,IACF3E,EAAM5f,MAAQukB,EAAWvkB,MACzB4f,EAAM1f,OAASqkB,EAAWrkB,QAE5B0f,EAAM4E,QAAU/C,EAAMG,eAAe,sBAAwBH,EAAMG,eAAe,aAClFhC,EAAMvvB,KAAOoxB,EAAMgD,KAEnBT,EAAU,GAAGvzB,QAAQgxB,EAAMiD,QAAU,IAAI71B,MAAM,UAAW+wB,GAEtDA,EAAM1kB,aAAoD,IAAtC0kB,EAAM1kB,WAAWhP,QAAQ,UAC/C0zB,EAAM1kB,WAAakoB,EAAWK,oBAAoB7D,EAAM1kB,aAG1D6oB,EAAOt5B,KAAKm1B,GAEd,OAAOmE,G,EAGFY,yBAAP,SAAiCb,EAAgBpE,EAAiBt7B,EAAyBwgC,GACzF,IAAI7sB,OADgJ,IAA3D6sB,MAAiC,IAE1H,IAAIC,EAA+B,GAC/BvpB,EAAK,EAET,IADAynB,EAA4BN,UAAY,EACuB,QAAvD1qB,EAASgrB,EAA4B30B,KAAK01B,KAAmB,CACnE,IAAMrC,EAAQ,IAAID,EAASzpB,EAAO,IAClC,GAAI0pB,EAAMqD,OAAS1gC,EAAM,CACvB,IAAM2gC,EAAuB,CAC3BzpB,GAAIA,IACJ0pB,QAASvD,EAAM,YACfpxB,KAAMoxB,EAAMgD,MAAQhD,EAAMwD,SAC1B7gC,OACA41B,QAA4B,QAAlByH,EAAMyD,QAChBC,WAAkC,QAArB1D,EAAM2D,WACnBC,OAA0B,QAAjB5D,EAAM6D,OACfC,KAAM9D,EAAMwD,UAOd,GAJIxD,EAAM+D,MACRT,EAAMp5B,IAAMy3B,EAAWQ,QAAQnC,EAAM+D,IAAK9F,IAGxCkF,EAAYx7B,OAAQ,CAEtB,IAAMq8B,EAAarC,EAAWC,UAAUuB,EAAaG,EAAMC,SAI3DD,EAAM/rB,WAAaysB,EAAaA,EAAW5rB,MAAQ+qB,EAAY,GAAG/qB,MAGpEgrB,EAAOp6B,KAAKs6B,IAGhB,OAAOF,G,EAGFa,mBAAP,SAA2B5B,EAAgBpE,EAAiBpkB,EAAYlX,EAAyBuhC,GAC/F,IAMI5tB,EACAjO,EACA+1B,EARA+F,EAAY,EACZvE,EAAgB,EAChBzB,EAAQ,IAAIc,EAAMhB,GAClBmG,EAAuB,EACvBC,EAA4B,KAC5B5f,EAAwB,IAAI0Y,EAK5BmH,EAAgB,KAIpB,IAFA/C,EAA0BP,UAAY,EAEuB,QAArD1qB,EAASirB,EAA0B50B,KAAK01B,KAAmB,CACjE,IAAM3oB,EAAWpD,EAAO,GACxB,GAAIoD,EAAU,CACZ+K,EAAK/K,SAAWinB,WAAWjnB,GAE3B,IAAMmkB,GAAS,IAAMvnB,EAAO,IAAIxH,MAAM,GACtC2V,EAAKoZ,MAAQA,GAAS,KACtBpZ,EAAKqZ,QAAQ90B,KAAK60B,EAAQ,CAAE,MAAOnkB,EAAUmkB,GAAU,CAAE,MAAOnkB,SAC3D,GAAIpD,EAAO,IAChB,GAAI,YAAgBmO,EAAK/K,UAAW,CAClC,IAAM0S,EAAK+X,IACX1f,EAAK9hB,KAAOA,EACZ8hB,EAAK1C,MAAQ6d,EACTxB,IACF3Z,EAAK2Z,SAAWA,GAElB3Z,EAAK2H,GAAKA,EACV3H,EAAK0Z,MAAQtkB,EACb4K,EAAKsZ,GAAKqG,EACV3f,EAAKyZ,MAAQgG,EACbzf,EAAKwZ,QAAUA,EAEfxZ,EAAKuZ,QAAU,IAAM1nB,EAAO,IAAIxH,MAAM,GACtCy1B,EAAsB9f,EAAM4f,GAE5BlG,EAAMkB,UAAUr2B,KAAKyb,GACrB4f,EAAW5f,EACXmb,GAAiBnb,EAAK/K,SAEtB+K,EAAO,IAAI0Y,QAER,GAAI7mB,EAAO,GAAI,CACpB,IAAM7O,GAAQ,IAAM6O,EAAO,IAAIxH,MAAM,GACjCu1B,EACF5f,EAAK6Z,aAAa72B,EAAM48B,GAExB5f,EAAK6Z,aAAa72B,QAEf,GAAI6O,EAAO,GAEhBmO,EAAKkZ,oBAAsB,IAAMrnB,EAAO,IAAIxH,MAAM,GAClD2V,EAAKqZ,QAAQ90B,KAAK,CAAC,oBAAqByb,EAAKkZ,qBACvB,OAAlB2G,IACFA,EAAgBnG,EAAMkB,UAAU13B,YAE7B,CAEL,KADA2O,EAASA,EAAO,GAAGgY,MAAMmT,IACZ,CACX/9B,IAAOpB,KAAK,sDACZ,SAEF,IAAK+F,EAAI,EAAGA,EAAIiO,EAAO3O,aACI,IAAd2O,EAAOjO,GADWA,KAO/B,IAAMm8B,GAAU,IAAMluB,EAAOjO,EAAI,IAAIyG,MAAM,GACrC21B,GAAU,IAAMnuB,EAAOjO,EAAI,IAAIyG,MAAM,GAE3C,OAAQwH,EAAOjO,IACf,IAAK,IACHoc,EAAKqZ,QAAQ90B,KAAKy7B,EAAS,CAAED,EAAQC,GAAW,CAAED,IAClD,MACF,IAAK,gBACHrG,EAAMx7B,KAAO6hC,EAAOE,cACpB,MACF,IAAK,iBACHP,EAAYhG,EAAMsB,QAAU9jB,SAAS6oB,GACrC,MACF,IAAK,iBACHrG,EAAMwB,eAAiBgB,WAAW6D,GAClC,MACF,IAAK,UACHrG,EAAMhI,QAAUxa,SAAS6oB,GACzB,MACF,IAAK,SACH,MACF,IAAK,UACHrG,EAAMmB,MAAO,EACb,MACF,IAAK,MACH8E,IACA3f,EAAKqZ,QAAQ90B,KAAK,CAAC,QACnB,MACF,IAAK,oBACHo7B,EAAuBzoB,SAAS6oB,GAChC,MACF,IAAK,MAEH,IACMG,EAAW,IAAI5E,EADCyE,GAEhBI,EAAgBD,EAAS/D,iBAAiB,UAC1CiE,EAAaF,EAASZ,IACtBe,EAAYH,EAASpE,mBAAmB,MAE1CqE,IACFxG,EAAW,IAAIvB,EAASoB,EAAS4G,GAC5BA,GAAgB,CAAC,UAAW,aAAc,mBAAmBp6B,QAAQm6B,IAAkB,IAC1FxG,EAASrd,OAAS6jB,EAClBxG,EAAS38B,IAAM,KAEf28B,EAAS7tB,GAAKu0B,IAGlB,MAEF,IAAK,QACH,IACMpF,EADa,IAAIK,EAASyE,GACG9D,qBAAqB,eAEpD,YAAgBhB,KAClBvB,EAAMuB,gBAAkBA,GAE1B,MAEF,IAAK,MACH,IAAMqF,EAAW,IAAIhF,EAASyE,GAC9B/f,EAAKuZ,OAAS+G,EAAShB,IACnBgB,EAASC,WACXvgB,EAAK6Z,aAAayG,EAASC,WAE7BvgB,EAAKwZ,QAAUA,EACfxZ,EAAK0Z,MAAQtkB,EACb4K,EAAK9hB,KAAOA,EACZ8hB,EAAK2H,GAAK,cACV+R,EAAM3kB,YAAciL,GACpBA,EAAO,IAAI0Y,GACNQ,mBAAqBQ,EAAM3kB,YAAYmkB,mBAC5C,MAEF,QACEj6B,IAAOpB,KAAP,gCAA4CgU,KAiDlD,OA5CAmO,EAAO4f,KAEM5f,EAAKuZ,SAChBG,EAAMkB,UAAUvF,MAChB8F,GAAiBnb,EAAK/K,UAExBykB,EAAMyB,cAAgBA,EACtBzB,EAAM8G,sBAAwBrF,EAAgBzB,EAAMkB,UAAU13B,OAC9Dw2B,EAAMiB,MAAQ+E,EAAY,EAC1BhG,EAAMqB,QAAUrB,EAAMkB,UAAU,GAAKlB,EAAMkB,UAAU,GAAGtB,GAAK,EAC7DI,EAAMgB,MAAQiF,GAETjG,EAAM3kB,aAAe2kB,EAAMkB,UAAU13B,QAIpCw2B,EAAMkB,UAAU6F,OAAM,SAACzgB,GAAD,OAAUid,EAAiBxpB,KAAKuM,EAAKuZ,aAC7Dt6B,IAAOpB,KAAK,qGAEZmiB,EAAO,IAAI0Y,GACNa,OAASG,EAAMkB,UAAU,GAAGrB,OACjCvZ,EAAKwZ,QAAUA,EACfxZ,EAAK0Z,MAAQtkB,EACb4K,EAAK9hB,KAAOA,EACZ8hB,EAAK2H,GAAK,cAEV+R,EAAM3kB,YAAciL,EACpB0Z,EAAMoB,gBAAiB,GAavB+E,GAQR,SAAmCjF,EAAW8F,GAE5C,IADA,IAAIC,EAAW/F,EAAU8F,GAChB98B,EAAI88B,EAAa,EAAG98B,GAAK,EAAGA,IAAK,CACxC,IAAMoc,EAAO4a,EAAUh3B,GACvBoc,EAAKmZ,gBAAkBwH,EAASxH,gBAAmC,IAAhBnZ,EAAK/K,SACxD0rB,EAAW3gB,GAZT4gB,CAAyBlH,EAAMkB,UAAWiF,GAGrCnG,G,KAaX,SAASoG,EAAuB9f,EAAM4f,GAChC5f,EAAKkZ,mBACPlZ,EAAKmZ,gBAAkBzJ,KAAKqH,MAAM/W,EAAKkZ,oBAC9B0G,GAAYA,EAASzG,kBAC9BnZ,EAAKmZ,gBAAkByG,EAASiB,oBAG7B,YAAgB7gB,EAAKmZ,mBACxBnZ,EAAKmZ,gBAAkB,KACvBnZ,EAAKkZ,mBAAqB,M,IC3VtBzJ,EAAgB/oB,OAAhB+oB,YA6fOqR,E,oBAjfb,WAAazJ,GAAK,aAChB,cAAMA,EACJrlB,IAAMjS,iBACNiS,IAAM5R,cACN4R,IAAMpR,oBACNoR,IAAMhR,yBAJR,MAPM+/B,QAA+E,GAMrE,E,yFAYXC,qBAAP,SAA6B9iC,GAC3B,OAAQA,IAAS+4B,EAAoBgK,aACnC/iC,IAAS+4B,EAAoBiK,gB,EAQ1BC,sBAAP,SAA8Bh4B,GAG5B,OAFiBA,EAATjL,MAGR,KAAK+4B,EAAoBgK,YACvB,OAAO/J,EAAkB6B,MAC3B,KAAK9B,EAAoBiK,eACvB,OAAOhK,EAAkBkK,SAC3B,QACE,OAAOlK,EAAkBmK,O,EAItBC,eAAP,SAAuBC,EAA0Bp4B,GAC/C,IAAI1D,EAAM87B,EAAS97B,IAOnB,YAJY6F,IAAR7F,GAA8C,IAAzBA,EAAIO,QAAQ,WAEnCP,EAAM0D,EAAQ1D,KAETA,G,2BAST+7B,qBAAA,SAAsBr4B,GACpB,IAAM0H,EAASlU,KAAK06B,IAAIxmB,OAClB4wB,EAAU5wB,EAAO6wB,QACjBC,EAAS9wB,EAAO+oB,OAIhBA,EAAS,IAFQ6H,GAAWE,GAEA9wB,GAMlC,OAHA1H,EAAQywB,OAASA,EACjBj9B,KAAKokC,QAAQ53B,EAAQjL,MAAQ07B,EAEtBA,G,EAGTgI,kBAAA,SAAmBz4B,GACjB,OAAOxM,KAAKokC,QAAQ53B,EAAQjL,O,EAG9B2jC,oBAAA,SAAqBC,GACfnlC,KAAKokC,QAAQe,WACRnlC,KAAKokC,QAAQe,I,EAOxBC,uBAAA,WACE,IAAK,IAAID,KAAenlC,KAAKokC,QAAS,CACpC,IAAInH,EAASj9B,KAAKokC,QAAQe,GACtBlI,GACFA,EAAOlpB,UAGT/T,KAAKklC,oBAAoBC,K,EAI7BpxB,QAAA,WACE/T,KAAKolC,yBAEL,YAAMrxB,QAAN,Y,EAGFsxB,kBAAA,SAAmBh/B,GACjBrG,KAAKslC,KAAK,CACRx8B,IAAKzC,EAAKyC,IACVvH,KAAM+4B,EAAoBiL,SAC1BxI,MAAO,EACPtkB,GAAI,KACJ+sB,aAAc,U,EAIlBC,eAAA,SAAgBp/B,GACdrG,KAAKslC,KAAK,CACRx8B,IAAKzC,EAAKyC,IACVvH,KAAM+4B,EAAoBoL,MAC1B3I,MAAO12B,EAAK02B,MACZtkB,GAAIpS,EAAKoS,GACT+sB,aAAc,U,EAIlBG,oBAAA,SAAqBt/B,GACnBrG,KAAKslC,KAAK,CACRx8B,IAAKzC,EAAKyC,IACVvH,KAAM+4B,EAAoBgK,YAC1BvH,MAAO,KACPtkB,GAAIpS,EAAKoS,GACT+sB,aAAc,U,EAIlBI,uBAAA,SAAwBv/B,GACtBrG,KAAKslC,KAAK,CACRx8B,IAAKzC,EAAKyC,IACVvH,KAAM+4B,EAAoBiK,eAC1BxH,MAAO,KACPtkB,GAAIpS,EAAKoS,GACT+sB,aAAc,U,EAIlBF,KAAA,SAAM94B,GACJ,IAAM0H,EAASlU,KAAK06B,IAAIxmB,OAExB5R,IAAOtB,MAAP,4BAAyCwL,EAAQjL,KAAjD,YAAiEiL,EAAQuwB,MAAzE,SAAuFvwB,EAAQiM,IAG/F,IAYIotB,EACAC,EACAC,EACAC,EAfA/I,EAASj9B,KAAKilC,kBAAkBz4B,GACpC,GAAIywB,EAAQ,CACV,IAAMgJ,EAAgBhJ,EAAOzwB,QAC7B,GAAIy5B,GAAiBA,EAAcn9B,MAAQ0D,EAAQ1D,IAEjD,OADAxG,IAAOvB,MAAM,6BACN,EAEPuB,IAAOpB,KAAP,sCAAkDsL,EAAQjL,MAC1D07B,EAAOiJ,QAWX,OAAQ15B,EAAQjL,MAChB,KAAK+4B,EAAoBiL,SACvBM,EAAW3xB,EAAOiyB,wBAClBL,EAAU5xB,EAAOkyB,uBACjBL,EAAa7xB,EAAOmyB,0BACpBL,EAAgB9xB,EAAOoyB,+BACvB,MACF,KAAKhM,EAAoBoL,MAEvBG,EAAW,EACXG,EAAgB,EAChBD,EAAa,EACbD,EAAU5xB,EAAOqyB,oBAEjB,MACF,QACEV,EAAW3xB,EAAOsyB,qBAClBV,EAAU5xB,EAAOqyB,oBACjBR,EAAa7xB,EAAOuyB,uBACpBT,EAAgB9xB,EAAOwyB,4BAIzBzJ,EAASj9B,KAAK6kC,qBAAqBr4B,GAEnC,IAAMm6B,EAAoC,CACxCb,UACAD,WACAE,aACAC,iBAGIY,EAA0D,CAC9DC,UAAW7mC,KAAK8mC,YAAYxmC,KAAKN,MACjC+mC,QAAS/mC,KAAKgnC,UAAU1mC,KAAKN,MAC7BinC,UAAWjnC,KAAKknC,YAAY5mC,KAAKN,OAMnC,OAHAsC,IAAOtB,MAAP,6CAA0DwL,EAAQ1D,KAClEm0B,EAAOqI,KAAK94B,EAASm6B,EAAcC,IAE5B,G,EAGTE,YAAA,SAAalC,EAA0BrR,EAAoB/mB,EAAgC26B,GACzF,QADyH,IAAhCA,MAA0B,MAC/G36B,EAAQ46B,cAGV,OAFApnC,KAAKqnC,mBAAmBzC,EAAUp4B,QAClCxM,KAAKsnC,sBAAsB1C,EAAUrR,EAAO/mB,EAAS26B,GAKvD,GADAnnC,KAAKklC,oBAAoB14B,EAAQjL,MACJ,iBAAlBqjC,EAASv+B,KAClB,MAAM,IAAIyE,MAAM,sDAGlB,IAAMm2B,EAAS2D,EAASv+B,KAExBktB,EAAMgU,MAAQzU,EAAY/F,MAIQ,IAA9BkU,EAAO53B,QAAQ,WAMf43B,EAAO53B,QAAQ,YAAc,GAAK43B,EAAO53B,QAAQ,0BAA4B,EAC/ErJ,KAAKwnC,4BAA4B5C,EAAUrR,EAAO/mB,EAAS26B,GAE3DnnC,KAAKynC,sBAAsB7C,EAAUrR,EAAO/mB,EAAS26B,GARrDnnC,KAAK0nC,4BAA4B9C,EAAUp4B,EAAS,sBAAuB26B,I,EAY/EH,UAAA,SAAWpC,EAA0Bp4B,EAAgC26B,QAAuB,IAAvBA,MAAiB,MACpFnnC,KAAK2nC,oBAAoBn7B,EAAS26B,GAAgB,EAAOvC,I,EAG3DsC,YAAA,SAAa3T,EAAoB/mB,EAAgC26B,QAAuB,IAAvBA,MAAiB,MAChFnnC,KAAK2nC,oBAAoBn7B,EAAS26B,GAAgB,I,EAKpDM,sBAAA,SAAuB7C,EAA0BrR,EAAoB/mB,EAAgC26B,GACnG,IAAMzM,EAAM16B,KAAK06B,IACXuG,EAAS2D,EAASv+B,KAElByC,EAAMq7B,EAAeQ,eAAeC,EAAUp4B,GAC9C00B,EAASX,EAAWS,oBAAoBC,EAAQn4B,GACtD,GAAKo4B,EAAO36B,OAAZ,CAMA,IAAMw7B,EAAiCb,EAAOrL,KAAI,SAAAkH,GAAK,MAAK,CAC1DtkB,GAAIskB,EAAM6B,MAAMxC,MAChBplB,MAAO+lB,EAAM5mB,eAGTyxB,EAAcrH,EAAWuB,yBAAyBb,EAAQn4B,EAAK,QAASi5B,GACxE8F,EAAYtH,EAAWuB,yBAAyBb,EAAQn4B,EAAK,aAEnE,GAAI8+B,EAAYrhC,OAAQ,CAEtB,IAAIuhC,GAAqB,EACzBF,EAAYzlC,SAAQ,SAAA6e,GACbA,EAAWlY,MACdg/B,GAAqB,OAQE,IAAvBA,GAAgC5G,EAAO,GAAG/qB,aAAe+qB,EAAO,GAAGtC,MAAMxC,QAC3E95B,IAAOrB,IAAI,2FACX2mC,EAAYG,QAAQ,CAClBxmC,KAAM,OACNiM,KAAM,OACN2pB,SAAS,EACTmL,YAAY,EACZE,QAAQ,EACR/pB,IAAK,KAKXiiB,EAAItlB,QAAQC,IAAMhS,gBAAiB,CACjC69B,SACA0G,cACAC,YACA/+B,MACAyqB,QACA4T,wBA7CAnnC,KAAK0nC,4BAA4B9C,EAAUp4B,EAAS,6BAA8B26B,I,EAiDtFK,4BAAA,SAA6B5C,EAA0BrR,EAAoB/mB,EAAgC26B,GACzG,IAAMzM,EAAM16B,KAAK06B,IAETjiB,EAAoBjM,EAApBiM,GAAIskB,EAAgBvwB,EAAhBuwB,MAAOx7B,EAASiL,EAATjL,KAEbuH,EAAMq7B,EAAeQ,eAAeC,EAAUp4B,GAG9Cs2B,EAAa,YAAgBrqB,GAAgBA,EAAe,EAC5DuvB,EAAU,YAAgBjL,GAAmBA,EAAkB+F,EAE/DmF,EAAY9D,EAAeK,sBAAsBh4B,GACjD07B,EAAe3H,EAAWsC,mBAAmB+B,EAASv+B,KAAgByC,EAAKk/B,EAASC,EAAWnF,GAUrG,GANCoF,EAAqBX,MAAQhU,EAAMgU,MAMhChmC,IAAS+4B,EAAoBiL,SAAU,CACzC,IAAM4C,EAAc,CAClBr/B,MACAyM,QAAS2yB,GAGXxN,EAAItlB,QAAQC,IAAMhS,gBAAiB,CACjC69B,OAAQ,CAACiH,GACTP,YAAa,GACb9+B,MACAyqB,QACA4T,mBAUJ,GALA5T,EAAM6U,QAAUtV,EAAY/F,MAKxBmb,EAAa/J,eAAjB,CACE,IAAMkK,EAAUH,EAAa9vB,YAAYtP,IACzC9I,KAAKslC,KAAK,CACRx8B,IAAKu/B,EACLjB,eAAe,EACf7lC,OACAw7B,QACAmL,eACAzvB,KACA6vB,WAAY,EACZC,SAAU,KACV/C,aAAc,qBAMlBh5B,EAAQ07B,aAAeA,EAEvBloC,KAAKsnC,sBAAsB1C,EAAUrR,EAAO/mB,EAAS26B,I,EAGvDE,mBAAA,SAAoBzC,EAA0Bp4B,GAC5C,GAA6B,iBAAlBo4B,EAASv+B,KAClB,MAAM,IAAIyE,MAAM,+DAGlB,IAAM09B,EAAW3U,IAAWc,kBAAkB,IAAIzsB,WAAW08B,EAASv+B,OAEtE,GAAKmiC,EAAL,CAGA,IAAMC,EAAiBD,EAAS5T,WAC1BsT,EAAe17B,EAAQ07B,aAC7BO,EAAetmC,SAAQ,SAACumC,EAAY//B,GAClC,IAAMggC,EAAaD,EAAWvnC,KAC9B,GAAK+mC,EAAL,CAGA,IAAM7kB,EAAO6kB,EAAajK,UAAUt1B,GACN,IAA1B0a,EAAK+Z,UAAU72B,QACjB8c,EAAK6Z,aAAa51B,OAAO,EAAIqhC,EAAWlhC,IAAMkhC,EAAWhoB,OAAS,IAAMrZ,OAAOqhC,EAAWhoB,YAI1FunB,GACFA,EAAa9vB,YAAY8kB,aAAa51B,OAAOkhC,EAAS3T,eAAiB,Q,EAI3E6S,4BAAA,SAA6B9C,EAA0Bp4B,EAAgCkJ,EAAgByxB,GACrGnnC,KAAK06B,IAAItlB,QAAQC,IAAM9P,MAAO,CAC5BhE,KAAMsE,IAAW+iC,cACjBrzB,QAASzP,IAAa+iC,uBACtBpzB,OAAO,EACP3M,IAAK87B,EAAS97B,IACd4M,SACAyxB,oB,EAIJQ,oBAAA,SAAqBn7B,EAAgC26B,EAAyBrB,EAA0BlB,GAGtG,IAAIrvB,EACAE,OAJ0I,IAAlEqwB,OAAmB,QAA+C,IAAxClB,MAAkC,MACxItiC,IAAOnB,KAAP,2CAAuDqL,EAAQjL,KAA/D,kBAKA,IAAM07B,EAASj9B,KAAKilC,kBAAkBz4B,GAEtC,OAAQA,EAAQjL,MAChB,KAAK+4B,EAAoBiL,SACvBhwB,EAAWuwB,EAAUhgC,IAAagjC,sBAAwBhjC,IAAaijC,oBACvEtzB,GAAQ,EACR,MACF,KAAK6kB,EAAoBoL,MACvBnwB,EAAWuwB,EAAUhgC,IAAakjC,mBAAqBljC,IAAamjC,iBACpExzB,GAAQ,EACR,MACF,KAAK6kB,EAAoBgK,YACvB/uB,EAAWuwB,EAAUhgC,IAAaojC,yBAA2BpjC,IAAaqjC,uBAC1E1zB,GAAQ,EACR,MACF,QAEEA,GAAQ,EAGNwnB,IACFA,EAAOiJ,QACPlmC,KAAKklC,oBAAoB14B,EAAQjL,OAInC,IAAI6nC,EAAiB,CACnB7nC,KAAMsE,IAAW+iC,cACjBrzB,UACAE,QACA3M,IAAK0D,EAAQ1D,IACbm0B,SACAzwB,UACA26B,kBAGEvC,IACFwE,EAAUxE,SAAWA,GAGvB5kC,KAAK06B,IAAItlB,QAAQC,IAAM9P,MAAO6jC,I,EAGhC9B,sBAAA,SAAuB1C,EAA0BrR,EAAoB/mB,EAAgC26B,GAAyB,IACpH5lC,EAAkCiL,EAAlCjL,KAAMw7B,EAA4BvwB,EAA5BuwB,MAAOtkB,EAAqBjM,EAArBiM,GAAIyvB,EAAiB17B,EAAjB07B,aAEzB,GAAKA,GAAiBA,EAAa3J,eAMnC,GADsB4F,EAAeE,qBAAqB73B,EAAQjL,MAEhEvB,KAAK06B,IAAItlB,QAAQC,IAAM3R,aAAc,CACnC6R,QAAS2yB,EACTnL,MAAOA,GAAS,EAChBtkB,GAAIA,GAAM,EACV8a,QACA4T,wBAGF,OAAQ5lC,GACR,KAAK+4B,EAAoBgK,YACvBtkC,KAAK06B,IAAItlB,QAAQC,IAAMnR,mBAAoB,CACzCqR,QAAS2yB,EACTzvB,KACA8a,QACA4T,mBAEF,MACF,KAAK7M,EAAoBiK,eACvBvkC,KAAK06B,IAAItlB,QAAQC,IAAM/Q,sBAAuB,CAC5CiR,QAAS2yB,EACTzvB,KACA8a,QACA4T,wBA5BJnnC,KAAK0nC,4BAA4B9C,EAAUp4B,EAAS,0BAA2B26B,I,GApdxD1M,G,IC0Fd4O,E,oBAzGb,WAAa3O,GAAK,aAChB,cAAMA,EAAKrlB,IAAM5Q,eAAjB,MACK2/B,QAAU,GAFC,E,kHAKlBrwB,QAAA,WACE,IAAIqwB,EAAUpkC,KAAKokC,QACnB,IAAK,IAAIkF,KAAclF,EAAS,CAC9B,IAAInH,EAASmH,EAAQkF,GACjBrM,GACFA,EAAOlpB,UAGX/T,KAAKokC,QAAU,GAEf,YAAMrwB,QAAN,Y,EAGFw1B,cAAA,SAAeljC,GACb,IAAMgd,EAAOhd,EAAKgd,KAChB9hB,EAAO8hB,EAAK9hB,KACZ6iC,EAAUpkC,KAAKokC,QACflwB,EAASlU,KAAK06B,IAAIxmB,OAClBs1B,EAAkBt1B,EAAOu1B,QACzBC,EAAiBx1B,EAAO+oB,OAG1B5Z,EAAKsmB,OAAS,EAEd,IASI1D,EAAeU,EAAcC,EAT7B3J,EAASmH,EAAQ7iC,GACjB07B,IACF36B,IAAOpB,KAAP,4CAAwDK,GACxD07B,EAAOiJ,SAGTjJ,EAASmH,EAAQ7iC,GAAQ8hB,EAAK4Z,OAC5B/oB,EAAOu1B,QAAU,IAAID,EAAgBt1B,GAAU,IAAIw1B,EAAex1B,GAIpE+xB,EAAgB,CAAEn9B,IAAKua,EAAKva,IAAKua,KAAMA,EAAMmiB,aAAc,cAAeoE,cAAc,GAExF,IAAIjpB,EAAQ0C,EAAKwmB,qBACfpiC,EAAM4b,EAAKga,mBAET,YAAgB1c,IAAU,YAAgBlZ,KAC5Cw+B,EAAcqC,WAAa3nB,EAC3BslB,EAAcsC,SAAW9gC,GAG3Bk/B,EAAe,CACbb,QAAS5xB,EAAO41B,mBAChBjE,SAAU,EACVE,WAAY,EACZC,cAAe9xB,EAAO61B,4BAGxBnD,EAAkB,CAChBC,UAAW7mC,KAAK8mC,YAAYxmC,KAAKN,MACjC+mC,QAAS/mC,KAAKgnC,UAAU1mC,KAAKN,MAC7BinC,UAAWjnC,KAAKknC,YAAY5mC,KAAKN,MACjCgqC,WAAYhqC,KAAKiqC,aAAa3pC,KAAKN,OAGrCi9B,EAAOqI,KAAKW,EAAeU,EAAcC,I,EAG3CE,YAAA,SAAalC,EAAUrR,EAAO/mB,EAAS26B,QAAuB,IAAvBA,MAAiB,MACtD,IAAIvc,EAAUga,EAASv+B,KAAMgd,EAAO7W,EAAQ6W,KAE5CA,EAAK4Z,YAAStuB,EACd3O,KAAKokC,QAAQ/gB,EAAK9hB,WAAQoN,EAC1B3O,KAAK06B,IAAItlB,QAAQC,IAAMzQ,YAAa,CAAEgmB,QAASA,EAASvH,KAAMA,EAAMkQ,MAAOA,EAAO4T,eAAgBA,K,EAGpGH,UAAA,SAAWpC,EAAUp4B,EAAS26B,QAAuB,IAAvBA,MAAiB,MAC7C,IAAM9jB,EAAO7W,EAAQ6W,KACjB4Z,EAAS5Z,EAAK4Z,OACdA,GACFA,EAAOiJ,QAGTlmC,KAAKokC,QAAQ/gB,EAAK9hB,WAAQoN,EAC1B3O,KAAK06B,IAAItlB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAW+iC,cAAerzB,QAASzP,IAAaokC,gBAAiBz0B,OAAO,EAAO4N,KAAM7W,EAAQ6W,KAAMuhB,SAAUA,EAAUuC,eAAgBA,K,EAG/KD,YAAA,SAAa3T,EAAO/mB,EAAS26B,QAAuB,IAAvBA,MAAiB,MAC5C,IAAM9jB,EAAO7W,EAAQ6W,KACjB4Z,EAAS5Z,EAAK4Z,OACdA,GACFA,EAAOiJ,QAGTlmC,KAAKokC,QAAQ/gB,EAAK9hB,WAAQoN,EAC1B3O,KAAK06B,IAAItlB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAW+iC,cAAerzB,QAASzP,IAAaqkC,kBAAmB10B,OAAO,EAAO4N,KAAM7W,EAAQ6W,KAAM8jB,eAAgBA,K,EAI7J8C,aAAA,SAAc1W,EAAO/mB,EAASnG,EAAM8gC,QAAuB,IAAvBA,MAAiB,MACnD,IAAI9jB,EAAO7W,EAAQ6W,KACnBA,EAAKsmB,OAASpW,EAAMoW,OACpB3pC,KAAK06B,IAAItlB,QAAQC,IAAM3Q,mBAAoB,CAAE2e,KAAMA,EAAMkQ,MAAOA,EAAO4T,eAAgBA,K,GAtG9D1M,G,IC6Hd2P,E,oBA7Gb,WAAa1P,GAAU,aACrB,cAAMA,EAAKrlB,IAAM5P,cAAjB,MALK2+B,QAAU,GAIM,EAHhBiG,WAAgC,KAGhB,EAFhBC,WAA4B,KAEZ,E,kHAIvBv2B,QAAA,WACE,IAAK,IAAMu1B,KAActpC,KAAKokC,QAAS,CACrC,IAAInH,EAASj9B,KAAKokC,QAAQkF,GACtBrM,GACFA,EAAOlpB,UAGX/T,KAAKokC,QAAU,GAEf,YAAMrwB,QAAN,Y,EAGFw2B,aAAA,SAAclkC,GAA2B,IAC/Bgd,EAAShd,EAATgd,KACF9hB,EAAO8hB,EAAK9hB,KACZ07B,EAASj9B,KAAKokC,QAAQ7iC,GAC5B,GAAK8hB,EAAK7F,YAAV,CAMA,IAAMogB,EAAMva,EAAK7F,YAAYogB,IAC7B,GAAIA,IAAQ59B,KAAKsqC,YAAkC,OAApBtqC,KAAKqqC,WAAqB,CACvD,IAAIn2B,EAASlU,KAAK06B,IAAIxmB,OAKtB,GAJI+oB,IACF36B,IAAOpB,KAAP,sCAAkDK,GAClD07B,EAAOiJ,UAEJtI,EAEH,YADAt7B,IAAOpB,KAAK,oBAIdmiB,EAAK4Z,OAASj9B,KAAKokC,QAAQ7iC,GAAQ,IAAI2S,EAAO+oB,OAAO/oB,GACrDlU,KAAKsqC,WAAa1M,EAClB59B,KAAKqqC,WAAa,KAElB,IAAMpE,EAAkC,CACtCn9B,IAAK80B,EACLva,KAAMA,EACNmiB,aAAc,eAMVmB,EAAoC,CACxCb,QAAS5xB,EAAO41B,mBAChBjE,SAAU,EACVE,WAAY7xB,EAAOs2B,sBACnBxE,cAAe9xB,EAAO61B,4BAGlBnD,EAAqD,CACzDC,UAAW7mC,KAAK8mC,YAAYxmC,KAAKN,MACjC+mC,QAAS/mC,KAAKgnC,UAAU1mC,KAAKN,MAC7BinC,UAAWjnC,KAAKknC,YAAY5mC,KAAKN,OAGnCqjB,EAAK4Z,OAAOqI,KAAKW,EAAeU,EAAcC,QACrC5mC,KAAKqqC,aAEdhnB,EAAK7F,YAAYnd,IAAML,KAAKqqC,WAC5BrqC,KAAK06B,IAAItlB,QAAQC,IAAM3P,WAAY,CAAE2d,KAAMA,UA/C3C/gB,IAAOpB,KAAK,wD,EAmDhB4lC,YAAA,SAAalC,EAA0BrR,EAAoB/mB,GACzD,IAAI6W,EAAO7W,EAAQ6W,KACdA,EAAK7F,aAIVxd,KAAKqqC,WAAahnB,EAAK7F,YAAYnd,IAAM,IAAI6H,WAAW08B,EAASv+B,MAGjEgd,EAAK4Z,YAAStuB,SACP3O,KAAKokC,QAAQ/gB,EAAK9hB,MACzBvB,KAAK06B,IAAItlB,QAAQC,IAAM3P,WAAY,CAAE2d,KAAMA,KARzC/gB,IAAOlB,MAAM,sC,EAWjB4lC,UAAA,SAAWpC,EAA0Bp4B,GACnC,IAAI6W,EAAO7W,EAAQ6W,KACf4Z,EAAS5Z,EAAK4Z,OACdA,GACFA,EAAOiJ,eAGFlmC,KAAKokC,QAAQ/gB,EAAK9hB,MACzBvB,KAAK06B,IAAItlB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAW+iC,cAAerzB,QAASzP,IAAa2kC,eAAgBh1B,OAAO,EAAO4N,OAAMuhB,c,EAG5HsC,YAAA,SAAa3T,EAAoB/mB,GAC/B,IAAI6W,EAAO7W,EAAQ6W,KACf4Z,EAAS5Z,EAAK4Z,OACdA,GACFA,EAAOiJ,eAGFlmC,KAAKokC,QAAQ/gB,EAAK9hB,MACzBvB,KAAK06B,IAAItlB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAW+iC,cAAerzB,QAASzP,IAAa4kC,iBAAkBj1B,OAAO,EAAO4N,U,GA9GlGoX,GCjBjB,IAAMkQ,EACC,aADDA,EAEA,YAFAA,EAGF,UAHEA,EAIP,KAGOC,EAAb,Y,QACE,WAAalQ,GAAK,aAChB,cAAMA,EACJrlB,IAAMrS,gBACNqS,IAAMlQ,cACNkQ,IAAMzQ,cAHR,MAMKimC,cAAgB,GAErB,EAAK5M,UAAY19B,OAAO6M,OAAO,MAC/B,EAAK09B,WAAavqC,OAAO6M,OAAO,MAEhC,EAAK8G,OAASwmB,EAAIxmB,OAZF,E,EADpB,G,EAAA,G,6EAAA,2BAgBEH,QAAA,WACE/T,KAAKi+B,UAAY19B,OAAO6M,OAAO,MAC/BpN,KAAK8qC,WAAavqC,OAAO6M,OAAO,MAChCpN,KAAKkU,OAAS,KACdumB,EAAaj6B,UAAUuT,QAAQrT,KAAKV,MACpC,YAAM+T,QAAN,YArBJ,EA+BEg3B,gBAAA,SAAiBnwB,EAAUqtB,GACzB,IAAMhK,EAAYj+B,KAAKi+B,UACjB+M,EAAgBzqC,OAAOquB,KAAKqP,GAAWjM,QAAO,SAAA3xB,GAClD,IAAM4qC,EAAiBhN,EAAU59B,GACjC,GAAI4qC,EAAeC,KAAK3pC,OAAS0mC,EAC/B,OAAO,EAGT,IAAKgD,EAAeE,SAClB,OAAO,EAGT,IAAM9nB,EAAO4nB,EAAeC,KAC5B,OAAO7nB,EAAK0K,UAAYnT,GAAYA,GAAYyI,EAAKyK,UAEvD,GAA6B,IAAzBkd,EAAczkC,OAChB,OAAO,KAGP,IAAM6kC,EAAkBJ,EAActS,MACtC,OAAOuF,EAAUmN,GAAiBF,MAnDxC,EA8DEG,uBAAA,SAAwBC,EAAkBC,GAAW,IAC/CC,EAAeC,EADgC,OAGnDlrC,OAAOquB,KAAK5uB,KAAKi+B,WAAW97B,SAAQ,SAAA9B,GAClC,IAAM4qC,EAAiB,EAAKhN,UAAU59B,GACtC,IAAgC,IAA5B4qC,EAAeE,SAAmB,CACpC,IAAMO,EAAST,EAAeU,MAAML,GACpC,GAAII,EAAQ,CACVF,EAAgBE,EAAOD,KACvB,IAAK,IAAIxkC,EAAI,EAAGA,EAAIukC,EAAcjlC,OAAQU,IAGxC,GAFAwkC,EAAOD,EAAcvkC,IAE8C,IAA/D,EAAK2kC,eAAeH,EAAK1d,SAAU0d,EAAK3d,OAAQyd,GAAsB,CAExE,EAAKM,eAAeZ,EAAeC,MACnC,aA7Ed,EA0FEY,uBAAA,SAAwBngC,GAAU,WAC5BogC,EAAU/rC,KAAKgsC,eAAergC,GAC9Bs/B,EAAiBjrC,KAAKi+B,UAAU8N,GAChCd,IACFA,EAAeE,UAAW,EAE1B5qC,OAAOquB,KAAK5uB,KAAK8qC,YAAY3oC,SAAQ,SAAAmpC,GACnC,GAAI3/B,EAAS4xB,oBAAoB+N,GAAmB,CAClD,IAAIC,EAAY,EAAKT,WAAWQ,GAGhCL,EAAeU,MAAML,GAAoB,EAAKW,iBAAiBtgC,EAASoiB,SAAUpiB,EAASmiB,OAAQyd,SArG7G,EA2GEU,iBAAA,SAAkBle,EAAUD,EAAQyd,GAIlC,IAHA,IACIlY,EAAWC,EADXkY,EAAgB,GAEhBU,GAAkB,EACbjlC,EAAI,EAAGA,EAAIskC,EAAUhlC,OAAQU,IAAK,CAGzC,GAFAosB,EAAYkY,EAAU5qB,MAAM1Z,GAAKjH,KAAK6qC,cACtCvX,EAAUiY,EAAU9jC,IAAIR,GAAKjH,KAAK6qC,cAC9B9c,GAAYsF,GAAavF,GAAUwF,EAAS,CAG9CkY,EAAc5jC,KAAK,CACjBmmB,SAAU1lB,KAAKslB,IAAII,EAAUwd,EAAU5qB,MAAM1Z,IAC7C6mB,OAAQzlB,KAAK0S,IAAI+S,EAAQyd,EAAU9jC,IAAIR,MAEzC,MACK,GAAI8mB,EAAWuF,GAAWxF,EAASuF,EAGxCmY,EAAc5jC,KAAK,CACjBmmB,SAAU1lB,KAAKslB,IAAII,EAAUwd,EAAU5qB,MAAM1Z,IAC7C6mB,OAAQzlB,KAAK0S,IAAI+S,EAAQyd,EAAU9jC,IAAIR,MAEzCilC,GAAkB,OACb,GAAIpe,GAAUuF,EAEnB,MAIJ,MAAO,CACLoY,KAAMD,EACNW,QAASD,IA1If,EA8IEF,eAAA,SAAgBrgC,GACd,OAAUA,EAASpK,KAAnB,IAA2BoK,EAASoxB,MAApC,IAA6CpxB,EAASmxB,MAAtD,IAA+DnxB,EAASqf,IA/I5E,EAuJEohB,mBAAA,SAAoBX,GAAM,IACpBY,EAAahZ,EAAWC,EADJ,OAEpBgZ,EAAe,KACfC,EAAc,EAgBlB,OAfAhsC,OAAOquB,KAAK5uB,KAAKi+B,WAAW97B,SAAQ,SAAA9B,GAClC,IAAM4qC,EAAiB,EAAKhN,UAAU59B,GAClC,EAAKmsC,UAAUvB,KACjB5X,EAAY4X,EAAeC,KAAKnd,SAAW,EAAK8c,cAChDvX,EAAU2X,EAAeC,KAAKpd,OAAS,EAAK+c,cACxCY,GAAQpY,GAAaoY,GAAQnY,IAE/B+Y,EAAchkC,KAAK0S,IAAI0wB,EAAOpY,EAAWC,EAAUmY,GAC/Cc,GAAeF,IACjBC,EAAerB,EAAeC,KAC9BqB,EAAcF,QAKfC,GA1KX,EAiLEG,SAAA,SAAU9gC,GACR,IAAIogC,EAAU/rC,KAAKgsC,eAAergC,GAC9Bs/B,EAAiBjrC,KAAKi+B,UAAU8N,GAChC1lB,EAAQskB,EAYZ,YAVuBh8B,IAAnBs8B,IAIA5kB,EAHG4kB,EAAeE,UAE0B,IAAnCnrC,KAAKwsC,UAAUvB,GAChBN,EAEAA,EAJAA,GAQLtkB,GAhMX,EAmMEmmB,UAAA,SAAWvB,GACT,OAAmC,IAA5BA,EAAeE,gBACax8B,IAA/Bs8B,EAAeU,MAAMvsB,QAA8D,IAAvC6rB,EAAeU,MAAMvsB,MAAM+sB,cACvCx9B,IAA/Bs8B,EAAeU,MAAMtsB,QAA8D,IAAvC4rB,EAAeU,MAAMtsB,MAAM8sB,UAtMhF,EAyMEP,eAAA,SAAgB7d,EAAUD,EAAQyd,GAEhC,IADA,IAAIlY,EAAWC,EACNrsB,EAAI,EAAGA,EAAIskC,EAAUhlC,OAAQU,IAAK,CAGzC,GAFAosB,EAAYkY,EAAU5qB,MAAM1Z,GAAKjH,KAAK6qC,cACtCvX,EAAUiY,EAAU9jC,IAAIR,GAAKjH,KAAK6qC,cAC9B9c,GAAYsF,GAAavF,GAAUwF,EACrC,OAAO,EAGT,GAAIxF,GAAUuF,EAEZ,OAAO,EAIX,OAAO,GAxNX,EA8NEqZ,aAAA,SAAcrqC,GACZ,IAAMsJ,EAAWtJ,EAAEghB,KAGd,YAAgB1X,EAASqf,MAAOrf,EAASghC,cAI9C3sC,KAAKi+B,UAAUj+B,KAAKgsC,eAAergC,IAAa,CAC9Cu/B,KAAMv/B,EACNggC,MAAOprC,OAAO6M,OAAO,MACrB+9B,UAAU,KAzOhB,EAgPEyB,iBAAA,SAAkBvqC,GAAG,WAEnBrC,KAAK8qC,WAAazoC,EAAEyoC,WACpBvqC,OAAOquB,KAAK5uB,KAAK8qC,YAAY3oC,SAAQ,SAAAmpC,GACnC,IAAIC,EAAY,EAAKT,WAAWQ,GAChC,EAAKD,uBAAuBC,EAAkBC,OArPpD,EA4PEsB,eAAA,SAAgBxqC,GACdrC,KAAK8rC,uBAAuBzpC,EAAEghB,OA7PlC,EAqQEypB,YAAA,SAAanhC,GACX,IAAMogC,EAAU/rC,KAAKgsC,eAAergC,GACpC,YAAmCgD,IAA5B3O,KAAKi+B,UAAU8N,IAvQ1B,EA8QEF,eAAA,SAAgBlgC,GACd,IAAIogC,EAAU/rC,KAAKgsC,eAAergC,UAC3B3L,KAAKi+B,UAAU8N,IAhR1B,EAsREgB,mBAAA,WACE/sC,KAAKi+B,UAAY19B,OAAO6M,OAAO,OAvRnC,GAAqCqtB,GCiCtBuS,EAzCM,CAiBnBC,OAAQ,SAAaC,EAAWC,GAM9B,IALA,IAAIC,EAAmB,EACnBC,EAAmBH,EAAK3mC,OAAS,EACjC+mC,EAA8B,KAC9BC,EAA2B,KAExBH,GAAYC,GAAU,CAI3B,IAAIG,EAAmBL,EAFvBI,EAAiBL,EADjBI,GAAgBF,EAAWC,GAAY,EAAI,IAI3C,GAAIG,EAAmB,EACrBJ,EAAWE,EAAe,MACrB,MAAIE,EAAmB,GAG5B,OAAOD,EAFPF,EAAWC,EAAe,GAM9B,OAAO,OCpBEG,EAAb,kCAOSC,WAAP,SAAmBxL,EAAmBtnB,GACpC,IACE,GAAIsnB,EAEF,IADA,IAAIiJ,EAAWjJ,EAAMiJ,SACZlkC,EAAI,EAAGA,EAAIkkC,EAAS5kC,OAAQU,IACnC,GAAI2T,GAAYuwB,EAASxqB,MAAM1Z,IAAM2T,GAAYuwB,EAAS1jC,IAAIR,GAC5D,OAAO,EAIb,MAAO7F,IAKT,OAAO,GAtBX,EAyBSusC,WAAP,SACEzL,EACAlc,EACA4nB,GAOA,IACE,GAAI1L,EAAO,CACT,IAEIj7B,EAFA4mC,EAAY3L,EAAMiJ,SAClBA,EAA8B,GAElC,IAAKlkC,EAAI,EAAGA,EAAI4mC,EAAUtnC,OAAQU,IAChCkkC,EAASvjC,KAAK,CAAE+Y,MAAOktB,EAAUltB,MAAM1Z,GAAIQ,IAAKomC,EAAUpmC,IAAIR,KAGhE,OAAOjH,KAAK8tC,aAAa3C,EAAUnlB,EAAK4nB,IAE1C,MAAOxsC,IAKT,MAAO,CAAEuI,IAAK,EAAGgX,MAAOqF,EAAKve,IAAKue,EAAK+nB,eAAWp/B,IAnDtD,EAsDSm/B,aAAP,SACE3C,EACAnlB,EACA4nB,GAQAzC,EAAS3b,MAAK,SAAUC,EAAG1K,GACzB,IAAIipB,EAAOve,EAAE9O,MAAQoE,EAAEpE,MACvB,OAAIqtB,GAGKjpB,EAAEtd,IAAMgoB,EAAEhoB,OAIrB,IAAIwmC,EAA+B,GACnC,GAAIL,EAIF,IAAK,IAAI3mC,EAAI,EAAGA,EAAIkkC,EAAS5kC,OAAQU,IAAK,CACxC,IAAIinC,EAAUD,EAAU1nC,OACxB,GAAI2nC,EAAS,CACX,IAAIC,EAAUF,EAAUC,EAAU,GAAGzmC,IAEhC0jC,EAASlkC,GAAG0Z,MAAQwtB,EAAWP,EAK9BzC,EAASlkC,GAAGQ,IAAM0mC,IACpBF,EAAUC,EAAU,GAAGzmC,IAAM0jC,EAASlkC,GAAGQ,KAI3CwmC,EAAUrmC,KAAKujC,EAASlkC,SAI1BgnC,EAAUrmC,KAAKujC,EAASlkC,SAI5BgnC,EAAY9C,EAWd,IARA,IAGIiD,EAHAC,EAAY,EAMZC,EAAsBtoB,EACtBuoB,EAAoBvoB,EACf/e,EAAI,EAAGA,EAAIgnC,EAAU1nC,OAAQU,IAAK,CACzC,IAAI0Z,EAAQstB,EAAUhnC,GAAG0Z,MACvBlZ,EAAMwmC,EAAUhnC,GAAGQ,IAErB,GAAKue,EAAM4nB,GAAoBjtB,GAASqF,EAAMve,EAE5C6mC,EAAc3tB,EAEd0tB,GADAE,EAAY9mC,GACYue,OACnB,GAAKA,EAAM4nB,EAAmBjtB,EAAO,CAC1CytB,EAAkBztB,EAClB,OAGJ,MAAO,CAAEhX,IAAK0kC,EAAW1tB,MAAO2tB,EAAa7mC,IAAK8mC,EAAWR,UAAWK,IA/H5E,EAqISI,8BAAP,SAAqCtM,EAAOlc,EAAKyoB,GAC/C,IAAMC,EAAcxM,EAAQA,EAAMwM,iBAAc//B,EAGhD,GAAI8+B,EAAaC,WAAWxL,EAAOwM,GACjC,OAAO1oB,EAIT,IADA,IAAMmlB,EAAWjJ,EAAMiJ,SACdlkC,EAAI,EAAGA,EAAIkkC,EAAS5kC,OAAQU,IAAK,CACxC,IAAM0Z,EAAQwqB,EAASxqB,MAAM1Z,GAG7B,GAAI0Z,EAAQ+tB,GAAe/tB,EAAQ+tB,EAAcD,EAC/C,OAAOpmC,KAAK+U,KAAa,GAARuD,GAAc,GAInC,OAAOqF,GAvJX,K,sBCfO,SAAS2oB,IACd,OAAQ5kC,OAAeg2B,aAAgBh2B,OAAe6kC,kB,WCAjD,IAAMC,EAAb,Y,QAAA,yD,EAAA,G,EAAA,G,6EAAA,YAMEz5B,QAAA,SAASxI,GAA0C,2BAAxBvG,EAAwB,iCAAxBA,EAAwB,kBACjDrG,KAAKmO,KAAL,MAAAnO,KAAA,CAAU4M,EAAOA,GAAjB,OAA2BvG,KAP/B,GAA8B8G,gBCQxB1L,EAASC,cACTq+B,EAAc4O,KAAoB,CAAE3O,gBAAiB,kBAAM,IAwIlD8O,E,WArIb,WAAapU,EAAKjiB,GAAI,WACpBzY,KAAK06B,IAAMA,EACX16B,KAAKyY,GAAKA,EAEV,IAAMxE,EAAWjU,KAAKiU,SAAW,IAAI46B,EAC/B36B,EAASwmB,EAAIxmB,OAEb6lB,EAAiB,SAACC,EAAI3zB,IAC1BA,EAAOA,GAAQ,IACVgd,KAAO,EAAKA,KACjBhd,EAAKoS,GAAK,EAAKA,GACfiiB,EAAItlB,QAAQ4kB,EAAI3zB,IAIlB4N,EAASpF,GAAGwG,IAAMxQ,eAAgBk1B,GAClC9lB,EAASpF,GAAGwG,IAAMvQ,0BAA2Bi1B,GAC7C9lB,EAASpF,GAAGwG,IAAMpQ,kBAAmB80B,GACrC9lB,EAASpF,GAAGwG,IAAMnQ,YAAa60B,GAC/B9lB,EAASpF,GAAGwG,IAAM9P,MAAOw0B,GACzB9lB,EAASpF,GAAGwG,IAAMrQ,sBAAuB+0B,GACzC9lB,EAASpF,GAAGwG,IAAMtQ,sBAAuBg1B,GACzC9lB,EAASpF,GAAGwG,IAAM7Q,eAAgBu1B,GAElC,IAAMva,EAAgB,CACpBuvB,IAAKhP,EAAYC,gBAAgB,aACjCxd,KAAMud,EAAYC,gBAAgB,cAClCvd,IAAKsd,EAAYC,gBAAgB,4BAI7BhT,EAAStW,UAAUsW,OACzB,GAAI9Y,EAAO86B,cAAqC,oBAAZpV,OAA0B,CAE5D,IAAIqV,EADJ3sC,IAAOrB,IAAI,yBAEX,IACEguC,EAAIjvC,KAAKivC,EAAIC,EAAK,IAClBlvC,KAAKmvC,OAASnvC,KAAKovC,gBAAgB9uC,KAAKN,MACxCivC,EAAE/U,iBAAiB,UAAWl6B,KAAKmvC,QACnCF,EAAEI,QAAU,SAAUziC,GACpB8tB,EAAItlB,QAAQC,IAAM9P,MAAO,CAAEhE,KAAMsE,IAAWy1B,YAAa/lB,QAASzP,IAAay1B,mBAAoB9lB,OAAO,EAAM7I,MAAO,gBAAiBoI,IAAK,CAAEG,QAASvI,EAAMuI,QAAU,KAAOvI,EAAM0iC,SAAW,IAAM1iC,EAAM2iC,OAAS,QAEvNN,EAAEhV,YAAY,CAAEE,IAAK,OAAQ3a,cAAeA,EAAewN,OAAQA,EAAQvU,GAAIA,EAAIvE,OAAQ8kB,KAAKC,UAAU/kB,KAC1G,MAAOc,GACP1S,IAAOpB,KAAK,mBAAoB8T,GAChC1S,IAAOlB,MAAM,qEACT6tC,GAEFxtC,EAAO63B,IAAIkW,gBAAgBP,EAAEpV,WAE/B75B,KAAKizB,QAAU,IAAID,IAAc/e,EAAUuL,EAAetL,EAAQ8Y,GAClEhtB,KAAKivC,OAAItgC,QAGX3O,KAAKizB,QAAU,IAAID,IAAc/e,EAAUuL,EAAetL,EAAQ8Y,G,2BAItEjZ,QAAA,WACE,IAAIk7B,EAAIjvC,KAAKivC,EACb,GAAIA,EACFA,EAAEQ,oBAAoB,UAAWzvC,KAAKmvC,QACtCF,EAAES,YACF1vC,KAAKivC,EAAI,SACJ,CACL,IAAIhc,EAAUjzB,KAAKizB,QACfA,IACFA,EAAQlf,UACR/T,KAAKizB,QAAU,MAGnB,IAAMhf,EAAWjU,KAAKiU,SAClBA,IACFA,EAASnF,qBACT9O,KAAKiU,SAAW,O,EAIpBrM,KAAA,SAAMvB,EAAM+R,EAAajC,EAAYkC,EAAYgL,EAAM/K,EAAUY,EAAoBka,GACnF,IAAM6b,EAAIjvC,KAAKivC,EACTj2B,EAAa,YAAgBqK,EAAK0K,UAAY1K,EAAK0K,SAAW1K,EAAK1C,MACnEnD,EAAc6F,EAAK7F,YACnBmyB,EAAW3vC,KAAKqjB,KAChB6P,IAAkByc,GAAatsB,EAAKsZ,KAAOgT,EAAShT,IACpDxJ,IAAgBwc,GAAatsB,EAAK0Z,QAAU4S,EAAS5S,OACrD6S,EAASD,GAAatsB,EAAK2H,KAAQ2kB,EAAS3kB,GAAK,EACjD/R,GAAcka,GAAeyc,EAUnC,GATI1c,GACF5wB,IAAOrB,IAAOjB,KAAKyY,GAAnB,2BAGE0a,GACF7wB,IAAOrB,IAAOjB,KAAKyY,GAAnB,oBAGFzY,KAAKqjB,KAAOA,EACR4rB,EAEFA,EAAEhV,YAAY,CAAEE,IAAK,QAAS9zB,OAAMmX,cAAapF,cAAajC,aAAYkC,aAAYW,aAAYka,gBAAeC,cAAala,aAAYX,WAAUY,qBAAoBka,kBAAkB/sB,aAAgBwpC,YAAc,CAACxpC,GAAQ,QAC5N,CACL,IAAI4sB,EAAUjzB,KAAKizB,QACfA,GACFA,EAAQrrB,KAAKvB,EAAMmX,EAAapF,EAAajC,EAAYkC,EAAYW,EAAYka,EAAeC,EAAala,EAAYX,EAAUY,EAAoBka,K,EAK7Jgc,gBAAA,SAAiBpV,GACf,IAAI3zB,EAAO2zB,EAAG3zB,KACZq0B,EAAM16B,KAAK06B,IACb,OAAQr0B,EAAKuG,OACb,IAAK,OAEHnL,EAAO63B,IAAIkW,gBAAgBxvC,KAAKivC,EAAEpV,WAClC,MAEF,KAAKxkB,IAAMpQ,kBACToB,EAAKA,KAAK8qB,MAAQ,IAAIjpB,WAAW7B,EAAK8qB,OAClC9qB,EAAK+qB,QACP/qB,EAAKA,KAAK+qB,MAAQ,IAAIlpB,WAAW7B,EAAK+qB,QAI1C,QACE/qB,EAAKA,KAAOA,EAAKA,MAAQ,GACzBA,EAAKA,KAAKgd,KAAOrjB,KAAKqjB,KACtBhd,EAAKA,KAAKoS,GAAKzY,KAAKyY,GACpBiiB,EAAItlB,QAAQ/O,EAAKuG,MAAOvG,EAAKA,Q,KCrI5B,SAASypC,EAAY/S,EAAOx7B,EAAMkX,GACvC,OAAQlX,GACR,IAAK,QACEw7B,EAAMgT,gBACThT,EAAMgT,cAAgB,IAExBhT,EAAMgT,cAAcnoC,KAAK6Q,GACzB,MACF,IAAK,OACEskB,EAAMiT,eACTjT,EAAMiT,aAAe,IAEvBjT,EAAMiT,aAAapoC,KAAK6Q,IAKrB,SAASw3B,EAAWhS,EAAWiS,EAASC,GAC7C,IAAIC,EAAWnS,EAAUiS,GAAUG,EAASpS,EAAUkS,GAAQG,EAAYD,EAAOtiB,SAE7E,YAAgBuiB,GAGdH,EAAQD,GACVE,EAAS93B,SAAWg4B,EAAYF,EAASzvB,MACrCyvB,EAAS93B,SAAW,GACtBhW,IAAOpB,KAAP,uCAAmDkvC,EAASplB,GAA5D,UAAwEolB,EAASrT,MAAjF,0EAGFsT,EAAO/3B,SAAW83B,EAASzvB,MAAQ2vB,EAC/BD,EAAO/3B,SAAW,GACpBhW,IAAOpB,KAAP,uCAAmDmvC,EAAOrlB,GAA1D,UAAsEqlB,EAAOtT,MAA7E,yEAMFsT,EAAO1vB,MADLwvB,EAAQD,EACKE,EAASzvB,MAAQyvB,EAAS93B,SAE1BjQ,KAAKslB,IAAIyiB,EAASzvB,MAAQ0vB,EAAO/3B,SAAU,GAKzD,SAASi4B,GAAkBh7B,EAAS8N,EAAM0K,EAAUD,EAAQuD,EAAUC,GAE3E,IAAIkf,EAAcziB,EAClB,GAAI,YAAgB1K,EAAK0K,UAAW,CAElC,IAAIuO,EAAWj0B,KAAK0e,IAAI1D,EAAK0K,SAAWA,GACnC,YAAgB1K,EAAKiZ,UAGxBjZ,EAAKiZ,SAAWj0B,KAAKslB,IAAI2O,EAAUjZ,EAAKiZ,UAFxCjZ,EAAKiZ,SAAWA,EAKlBkU,EAAcnoC,KAAKslB,IAAII,EAAU1K,EAAK0K,UACtCA,EAAW1lB,KAAK0S,IAAIgT,EAAU1K,EAAK0K,UACnCD,EAASzlB,KAAKslB,IAAIG,EAAQzK,EAAKyK,QAC/BuD,EAAWhpB,KAAK0S,IAAIsW,EAAUhO,EAAKgO,UACnCC,EAASjpB,KAAKslB,IAAI2D,EAAQjO,EAAKiO,QAGjC,IAAMmf,EAAQ1iB,EAAW1K,EAAK1C,MAC9B0C,EAAK1C,MAAQ0C,EAAK0K,SAAWA,EAC7B1K,EAAKmtB,YAAcA,EACnBntB,EAAKyK,OAASA,EACdzK,EAAKgO,SAAWA,EAChBhO,EAAKiO,OAASA,EACdjO,EAAK/K,SAAWwV,EAASC,EAEzB,IAMI2iB,EAASzS,EAAWh3B,EANlB+jB,EAAK3H,EAAK2H,GAEhB,IAAKzV,GAAWyV,EAAKzV,EAAQ8oB,SAAWrT,EAAKzV,EAAQyoB,MACnD,OAAO,EAaT,IATA0S,EAAU1lB,EAAKzV,EAAQ8oB,SACvBJ,EAAY1oB,EAAQ0oB,WAMVyS,GAAWrtB,EAEhBpc,EAAIypC,EAASzpC,EAAI,EAAGA,IACvBgpC,EAAUhS,EAAWh3B,EAAGA,EAAI,GAI9B,IAAKA,EAAIypC,EAASzpC,EAAIg3B,EAAU13B,OAAS,EAAGU,IAC1CgpC,EAAUhS,EAAWh3B,EAAGA,EAAI,GAI9B,OADAsO,EAAQo7B,UAAW,EACZF,EAyEF,SAASG,GAAyBC,EAAaC,EAAaC,GACjE,GAAKF,GAAgBC,EAQrB,IAJA,IAAMnwB,EAAQtY,KAAKslB,IAAIkjB,EAAYxS,QAASyS,EAAYzS,SAAWyS,EAAYzS,QACzE52B,EAAMY,KAAK0S,IAAI81B,EAAY7S,MAAO8S,EAAY9S,OAAS8S,EAAYzS,QACnEtO,EAAQ+gB,EAAYzS,QAAUwS,EAAYxS,QAEvCp3B,EAAI0Z,EAAO1Z,GAAKQ,EAAKR,IAAK,CACjC,IAAM+pC,EAAUH,EAAY5S,UAAUlO,EAAQ9oB,GACxCgqC,EAAUH,EAAY7S,UAAUh3B,GACtC,IAAK+pC,IAAYC,EACf,MAEFF,EAAeC,EAASC,EAAShqC,IChMrC,IAYeiqC,GAZI,CACjB5rB,SAAU,SAAUqR,GAGlB,IAFA,IAAI11B,EAAM,GACN0I,EAAMgtB,EAAEpwB,OACHU,EAAI,EAAGA,EAAI0C,EAAK1C,IACvBhG,GAAO,IAAM01B,EAAEhW,MAAM1Z,GAAGkqC,QAAQ,GAAK,IAAMxa,EAAElvB,IAAIR,GAAGkqC,QAAQ,GAAK,IAGnE,OAAOlwC,IC+CJ,SAASmwC,GAAWC,EAAS97B,GAClCA,EAAQ0oB,UAAU97B,SAAQ,SAACkhB,GACzB,GAAIA,EAAM,CACR,IAAI1C,EAAQ0C,EAAK1C,MAAQ0wB,EACzBhuB,EAAK1C,MAAQ0C,EAAK0K,SAAWpN,EAC7B0C,EAAKyK,OAASnN,EAAQ0C,EAAK/K,aAG/B/C,EAAQo7B,UAAW,EAad,SAASW,GAAa3B,EAAU4B,EAAWh8B,IAgB3C,SAA+Bo6B,EAAUp6B,EAASg8B,GACvD,GApEK,SAAuC5B,EAAU4B,EAAWh8B,GACjE,IAAIi8B,GAAc,EAMlB,OALID,GAAaA,EAAUh8B,SAAWA,IAChCA,EAAQwoB,MAAQxoB,EAAQ6oB,SAAYuR,GAAYA,EAAShT,GAAKpnB,EAAQ6oB,WACxEoT,GAAc,GAGXA,EA6DHC,CAA6B9B,EAAU4B,EAAWh8B,GAAU,CAC9D,IAAMm8B,EA1DH,SAAyCC,EAAaC,GAC3D,IAAMC,EAAYF,EAAY1T,UACxB6T,EAAWF,EAAW3T,UAE5B,GAAK6T,EAASvrC,QAAWsrC,EAAUtrC,OAAnC,CAKA,IAAMwrC,EA9CD,SAA8B9T,EAAWtB,GAG9C,IAFA,IAAIqV,EAAY,KAEP/qC,EAAI,EAAGA,EAAIg3B,EAAU13B,OAAQU,GAAK,EAAG,CAC5C,IAAMgrC,EAAchU,EAAUh3B,GAC9B,GAAIgrC,GAAeA,EAAYtV,KAAOA,EAAI,CACxCqV,EAAYC,EACZ,OAIJ,OAAOD,EAmCeE,CAAoBL,EAAWC,EAAS,GAAGnV,IAEjE,GAAKoV,KAAkBA,GAAkBA,EAAchkB,UAKvD,OAAOgkB,EAJLzvC,IAAOrB,IAAI,8CAPXqB,IAAOrB,IAAI,yBAqDWkxC,CAA+BZ,EAAUh8B,QAASA,GACpEm8B,IACFpvC,IAAOrB,IAAI,0EACXmwC,GAAUM,EAAc/wB,MAAOpL,KApBnC68B,CAAqBzC,EAAUp6B,EAASg8B,IACnCh8B,EAAQo7B,UAAYY,GA6BpB,SAAmBh8B,EAAS88B,GACjC,GAAIA,GAAeA,EAAYpU,UAAU13B,OAAQ,CAC/C,IAAKgP,EAAQ+8B,qBAAuBD,EAAYC,mBAC9C,OAKF,IAAIC,EAAUF,EAAYpU,UAAU,GAAGzB,gBAGnC6U,GAFS97B,EAAQ0oB,UAAU,GAAGzB,gBAEV+V,GAAW,IAAOF,EAAYpU,UAAU,GAAGtd,MAC/D,YAAgB0wB,KAClB/uC,IAAOrB,IAAP,sDAAiEowC,EAAQF,QAAQ,IACjFC,GAAUC,EAAS97B,KAvCrBi9B,CAASj9B,EAASg8B,EAAUh8B,SCvBzB,SAASk9B,GAA6BlE,EAAeE,EAA4BiE,QAAqB,IAAhEnE,MAAY,QAAoD,IAAjDE,MAAyB,GAenF,IAAIkE,EAA2BtqC,KAAK0S,IAAI0zB,EAAwBiE,EAAUp6B,UAAYo6B,EAAUpW,SAAWoW,EAAUpW,SAAW,IAChI,OAAIoW,EAAU/xB,MAAQ+xB,EAAUp6B,SAAWq6B,GAA4BpE,EAC9D,EACEmE,EAAU/xB,MAAQgyB,EAA2BpE,GAAamE,EAAU/xB,OAErE,EAGH,EAWF,SAASiyB,GAAwBC,EAAsBpE,EAAgCiE,GAC5F,IAAIC,EAAkI,IAAvGtqC,KAAK0S,IAAI0zB,EAAwBiE,EAAUp6B,UAAYo6B,EAAUpW,SAAWoW,EAAUpW,SAAW,IAIhI,OAD2BoW,EAAUxO,oBAAsB,GAC/ByO,EAA2BE,ECjGlD,IAKcC,G,WACnB,WAAa5+B,EAAQguB,EAAO6Q,EAAiBrY,GAC3C16B,KAAKkU,OAASA,EACdlU,KAAKkiC,MAAQA,EACbliC,KAAK+yC,gBAAkBA,EACvB/yC,KAAK06B,IAAMA,EACX16B,KAAKgzC,WAAa,EAClBhzC,KAAKizC,eAAgB,EACrBjzC,KAAKkzC,QAAU,KACflzC,KAAKmzC,OAAQ,EACbnzC,KAAKozC,SAAU,E,2BASjBC,KAAA,SAAMC,GAAiB,IACbp/B,EAA2BlU,KAA3BkU,OAAQguB,EAAmBliC,KAAnBkiC,MAAOgR,EAAYlzC,KAAZkzC,QACfxE,EAAyBxM,EAAzBwM,YAAa0E,EAAYlR,EAAZkR,QACfG,EAASvzC,KAAKozC,UAAYA,EAC1BI,GAAaxzC,KAAKozC,SAAWA,EAKnC,GAHApzC,KAAKozC,QAAUA,EAGX1E,IAAgB4E,GA0BpB,IAVIE,GAAaD,KACfvzC,KAAKkzC,QAAU,MAGelzC,KAAKkU,OAA7Bu/B,sBACoBL,GAAWG,IACrCvzC,KAAK0zC,+BAIHxR,EAAMyR,SAAUzR,EAAM0R,OAAgC,IAAvB1R,EAAM2R,cAAuB3R,EAAMiJ,SAAS5kC,OAA/E,CAIA,IAAMonC,EAAaF,EAAaE,WAAWzL,EAAOwM,EAAa,GACzDhB,EAAaC,EAAWhkC,IAAM,EAC9BokC,EAAYJ,EAAWI,WAAa,EAG1C,GAAKL,GAAeK,EAApB,CAIA,GAAIqF,EAAS,CAKX,GAHwBzF,EAAWhkC,IAzEP,KA2EPokC,GAAaA,EAAYW,EA3ElB,GA6E1B,OAGF1uC,KAAKmzC,OAAQ,EAKf,IAAKnzC,KAAKmzC,OAASnzC,KAAKkzC,QAAS,CAE/B,IAAMY,EAAYzrC,KAAKslB,IAAIogB,EAAWJ,EAAWhtB,OAAS,GAAK+tB,EAC/D,GAAIoF,EAAY,GAAKA,GAxFO,EA0F1B,YADA9zC,KAAK+zC,mBAAmB,MAM5B,IAAMC,EAAOhqC,KAAK8oB,YAAY/F,MAC9B,GAAgB,OAAZmmB,EAAJ,CAKA,IAAMe,EAAkBD,EAAOd,GAC1BE,GAAWa,GAvGqB,KAyGnCj0C,KAAKk0C,aAAavG,EAAWhkC,KAG/B,IAAMwqC,EAAoB1G,EAAaE,WAAWzL,EAAOwM,EAAax6B,EAAO6c,eAC7E/wB,KAAKo0C,mBAAmBD,EAAmBF,QAXzCj0C,KAAKkzC,QAAUc,SA/Df,GADAh0C,KAAKmzC,OAAQ,EACG,OAAZD,EAAkB,CAEpB,GAAIlzC,KAAKizC,cAAe,CACtB,IAAMgB,EAAkBjqC,KAAK8oB,YAAY/F,MAAQmmB,EACjD5wC,IAAOpB,KAAP,+BAA2CwtC,EAA3C,WAAiErmC,KAAKC,MAAM2rC,GAA5E,MACAj0C,KAAKizC,eAAgB,EAEvBjzC,KAAKkzC,QAAU,KACflzC,KAAKgzC,WAAa,I,EAuExBU,4BAAA,WACE,IAAMxR,EAAQliC,KAAKkiC,MACbwM,EAAcxM,EAAQA,EAAMwM,iBAAc//B,EACxC8/B,EAA2BzuC,KAAKkU,OAAhCu6B,uBAKF4F,EACJ5G,EAAae,8BAA8BtM,EAAOwM,EAAaD,GAEjE,OAAIC,IAAgB2F,IAClB/xC,IAAOrB,IAAP,uDAAkEozC,GAClEnS,EAAMwM,YAAc2F,GACb,I,EAYXD,mBAAA,SAAoBzG,EAAY2G,GAAmB,IACzCpgC,EAAmClU,KAAnCkU,OAAQ6+B,EAA2B/yC,KAA3B+yC,gBACVrE,EADqC1uC,KAAVkiC,MACPwM,YAEpBvC,EAAU4G,EAAgB3G,mBAAmBsC,GACnD,GAAIvC,GAGiBnsC,KAAK+zC,mBAAmB5H,GAIzC,OAQAwB,EAAWhkC,IAAMuK,EAAO6c,eAC1BujB,EAAsD,IAAlCpgC,EAAOqgC,2BAC3BjyC,IAAOpB,KAAK,6CAIZlB,KAAKkzC,QAAU,KACflzC,KAAKw0C,oB,EASTN,aAAA,SAAc7F,GAAW,IACf3T,EAA8B16B,KAA9B06B,IAAKwH,EAAyBliC,KAAzBkiC,MAAyBliC,KAAlBizC,gBAGlBjzC,KAAKizC,eAAgB,EACrB3wC,IAAOpB,KAAP,yBAAqCghC,EAAMwM,YAA3C,sBACAhU,EAAItlB,QAAQC,IAAM9P,MAAO,CACvBhE,KAAMsE,IAAWyP,YACjBC,QAASzP,IAAa2uC,qBACtBh/B,OAAO,EACP/M,OAAQ2lC,M,EAUd0F,mBAAA,SAAoB5H,GAKlB,IAL2B,IACnBj4B,EAAuBlU,KAAvBkU,OAAQwmB,EAAe16B,KAAf06B,IAAKwH,EAAUliC,KAAVkiC,MACfwM,EAAcxM,EAAMwM,YACtBgG,EAAc,EAETztC,EAAI,EAAGA,EAAIi7B,EAAMiJ,SAAS5kC,OAAQU,IAAK,CAC9C,IAAMosB,EAAY6O,EAAMiJ,SAASxqB,MAAM1Z,GACvC,GAAIynC,EAAcx6B,EAAO6c,eAAiB2jB,GAAehG,EAAcrb,EAAW,CAChF,IAAMshB,EAAatsC,KAAKslB,IAAI0F,EAzMG,IAyMkC6O,EAAMwM,YA1MlC,IAwNrC,OAbApsC,IAAOpB,KAAP,6CAAyDwtC,EAAzD,OAA2EiG,GAC3E30C,KAAKmzC,OAAQ,EACbnzC,KAAKkzC,QAAU,KACfhR,EAAMwM,YAAciG,EAChBxI,GACFzR,EAAItlB,QAAQC,IAAM9P,MAAO,CACvBhE,KAAMsE,IAAWyP,YACjBC,QAASzP,IAAa8uC,sBACtBn/B,OAAO,EACPC,OAAQ,mDAAmDg5B,EAArD,OAAuEiG,EAC7EtxB,KAAM8oB,IAGHwI,EAETD,EAAcxS,EAAMiJ,SAAS1jC,IAAIR,GAEnC,OAAO,G,EAOTutC,gBAAA,WAAmB,IACTtgC,EAAuBlU,KAAvBkU,OAAQwmB,EAAe16B,KAAf06B,IAAKwH,EAAUliC,KAAVkiC,MACfwM,EAAcxM,EAAMwM,YACpBsE,GAAchzC,KAAKgzC,YAAc,GAAK,EAG5C,GAFAhzC,KAAKgzC,WAAaA,EAEdA,EAAa9+B,EAAO2gC,cAAe,CACrC,IAAMF,EAAajG,EAAcsE,EAAa9+B,EAAO4gC,YAErDxyC,IAAOpB,KAAP,8BAA0CwtC,EAA1C,OAA4DiG,GAC5DzS,EAAMwM,YAAciG,EAEpBja,EAAItlB,QAAQC,IAAM9P,MAAO,CACvBhE,KAAMsE,IAAWyP,YACjBC,QAASzP,IAAaivC,sBACtBt/B,OAAO,SAGTnT,IAAOlB,MAAP,yDAAsEstC,EAAtE,UAA2Fx6B,EAAO2gC,cAAlG,WACAna,EAAItlB,QAAQC,IAAM9P,MAAO,CACvBhE,KAAMsE,IAAWyP,YACjBC,QAASzP,IAAa2uC,qBACtBh/B,OAAO,K,iIC3PR,IAAMu/B,GACF,UADEA,GAGL,OAHKA,GAKE,cALFA,GAMG,eANHA,GAOiB,6BAPjBA,GASF,UATEA,GAUH,SAVGA,GAWM,kBAXNA,GAYJ,QAZIA,GAaJ,QAbIA,GAeI,gB,uKCAjB,IAozCeC,G,oBAjzCb,WAAava,EAAKqY,GAAiB,aACjC,cAAMrY,EACJrlB,IAAM5S,eACN4S,IAAM3S,gBACN2S,IAAMjS,iBACNiS,IAAM/R,gBACN+R,IAAM3R,aACN2R,IAAM3P,WACN2P,IAAMzQ,YACNyQ,IAAM1Q,4BACN0Q,IAAMvQ,0BACNuQ,IAAMpQ,kBACNoQ,IAAMnQ,YACNmQ,IAAM9P,MACN8P,IAAMtR,sBACNsR,IAAMrR,qBACNqR,IAAMvS,eACNuS,IAAMrS,gBACNqS,IAAMlS,iBAjBR,MAmBK4vC,gBAAkBA,EACvB,EAAK7+B,OAASwmB,EAAIxmB,OAClB,EAAKghC,gBAAiB,EACtB,EAAKC,OAASH,GACd,EAAK/B,eAAgB,EACrB,EAAKmC,cAAgB,KACrB,EAAKC,UAAW,EA1BiB,E,wHA6BnCC,UAAA,SAAWC,GACT,GAAIv1C,KAAKkhC,OAAQ,CACf,IAAIoS,EAAkBtzC,KAAKszC,gBAAiB5Y,EAAM16B,KAAK06B,IAKvD,GAJA16B,KAAKw1C,WACLx1C,KAAKy1C,YApCW,KAqChBz1C,KAAK+8B,OAAS,EACd/8B,KAAK01C,cAAgB,GAChB11C,KAAK21C,mBAAoB,CAE5B,IAAIC,EAAalb,EAAIkb,YACD,IAAhBA,IAEFA,EAAa,EACb51C,KAAK2sC,aAAc,GAIrB3sC,KAAK+8B,MAAQrC,EAAImb,cAAgBD,EACjC51C,KAAK81C,gBAAiB,EAGpBxC,EAAkB,IAAwB,IAAnBiC,IACzBjzC,IAAOrB,IAAP,gDAA2DqyC,EAAgBnC,QAAQ,IACnFoE,EAAgBjC,GAElBtzC,KAAKqmB,MAAQ2uB,GACbh1C,KAAK+1C,iBAAmB/1C,KAAKu1C,cAAgBv1C,KAAKszC,gBAAkBiC,EACpEv1C,KAAKg2C,YAELh2C,KAAKi2C,gBAAiB,EACtBj2C,KAAKqmB,MAAQ2uB,I,EAIjBQ,SAAA,WACEx1C,KAAKi2C,gBAAiB,EACtB,YAAMT,SAAN,Y,EAGFU,OAAA,WACE,OAAQl2C,KAAKqmB,OACb,KAAK2uB,GAEHh1C,KAAK01C,cAAgB,EACrB,MACF,KAAKV,GACHh1C,KAAKm2C,cACL,MACF,KAAKnB,GACH,IAAIjY,EAAQ/8B,KAAKkhC,OAAOlhC,KAAK+8B,OAEzBA,GAASA,EAAMxnB,UACjBvV,KAAKqmB,MAAQ2uB,IAGf,MACF,KAAKA,GACH,IAAIjoB,EAAMhjB,OAAO+oB,YAAY/F,MACzBqpB,EAAYp2C,KAAKo2C,YAEhBA,GAAcrpB,GAAOqpB,GAAep2C,KAAKkiC,OAASliC,KAAKkiC,MAAMkR,WAChE9wC,IAAOrB,IAAI,iEACXjB,KAAKqmB,MAAQ2uB,IAcjBh1C,KAAKq2C,eAELr2C,KAAKs2C,yB,EAMPH,YAAA,WACE,IAAMzb,EAAM16B,KAAK06B,IACfxmB,EAASwmB,EAAIxmB,OACbguB,EAAQliC,KAAKkiC,MAKf,QAA6BvzB,IAAzB3O,KAAKu2C,kBACNrU,IAAUliC,KAAK21C,oBAAuBzhC,EAAOsiC,mBADhD,CAMA,IAAIxwB,EAEFA,EADEhmB,KAAK81C,eACD5T,EAAMwM,YAEN1uC,KAAK+1C,iBAIb,IAAIhZ,EAAQrC,EAAImb,cACdY,EAAYz2C,KAAKkhC,OAAOnE,GAE1B,GAAK0Z,EAAL,CAIA,IACEC,EADEC,EAAeF,EAAU9U,QAK3B+U,EADEC,EACUtuC,KAAKslB,IAAI,EAAIzZ,EAAO0iC,cAAgBD,EAAcziC,EAAO2iC,iBAEzD3iC,EAAO2iC,gBAGrBH,EAAYruC,KAAK0S,IAAI27B,EAAWxiC,EAAO4iC,oBAKvC,IAAMnJ,EAAaF,EAAaE,WAAW3tC,KAAK+2C,YAAc/2C,KAAK+2C,YAAc7U,EAAOlc,EAAK9R,EAAO6c,eAClGsd,EAAYV,EAAWhkC,IAEzB,KAAI0kC,GAAaqI,GAAjB,CAKAp0C,IAAOvB,MAAP,oBAAiCstC,EAAU8C,QAAQ,GAAnD,oBAAyEuF,EAAUvF,QAAQ,GAA3F,mCAGAnxC,KAAK+8B,MAAQrC,EAAImb,cAAgB9Y,EAEjC,IAAMmL,EAAeuO,EAAUlhC,QAI/B,IAAK2yB,GAAiBA,EAAahK,MAAQl+B,KAAKu2C,kBAAoBxZ,EAClE/8B,KAAKqmB,MAAQ2uB,OADf,CAKA,GAAIh1C,KAAKg3C,aAAarJ,EAAYzF,GAAe,CAC/C,IAAM7hC,EAAO,GAOb,OANIrG,KAAKq1C,WACPhvC,EAAK9E,KAAO,SAGdvB,KAAK06B,IAAItlB,QAAQC,IAAMpS,WAAYoD,QACnCrG,KAAKqmB,MAAQ2uB,IAIfh1C,KAAKi3C,mBAAmBjxB,EAAK2nB,EAAYzF,Q,EAG3C+O,mBAAA,SAAoBjxB,EAAK2nB,EAAYzF,GACnC,IAAMgP,EAAel3C,KAAKk3C,aACxBna,EAAQ/8B,KAAK+8B,MACbkB,EAAYiK,EAAajK,UACzBkZ,EAAUlZ,EAAU13B,OAGtB,GAAgB,IAAZ4wC,EAAJ,CAKA,IAGE9zB,EAHE1C,EAAQsd,EAAU,GAAGtd,MACvBlZ,EAAMw2B,EAAUkZ,EAAU,GAAGx2B,MAAQsd,EAAUkZ,EAAU,GAAG7+B,SAC5Di2B,EAAYZ,EAAWlmC,IAGzB,GAAIygC,EAAa9vB,cAAgB8vB,EAAa9vB,YAAY/R,KACxDgd,EAAO6kB,EAAa9vB,iBAGpB,GAAI8vB,EAAahK,KAAM,CACrB,IAAIkZ,EAA0Bp3C,KAAKkU,OAAOkjC,wBAC1C,GAAID,EAAUC,EAEZ,YADA90C,IAAOpB,KAAP,mEAA+Ei2C,EAA/E,MAA4FC,GAM9F,GAAa,QAFb/zB,EAAOrjB,KAAKq3C,2BAA2BnP,EAAcqG,EAAW5tB,EAAOlZ,EAAKyvC,EAAcjZ,EAAWkZ,IAGnG,YAIE5I,EAAY5tB,IACd0C,EAAO4a,EAAU,IAIlB5a,IACHA,EAAOrjB,KAAKs3C,cAAc32B,EAAOu2B,EAAcC,EAASlZ,EAAWsQ,EAAW9mC,EAAKygC,IAGjF7kB,IACEA,EAAKk0B,WACPj1C,IAAOrB,IAAP,mBAA8BoiB,EAAK2H,GAAnC,QAA6Ckd,EAAa7J,QAA1D,KAAsE6J,EAAalK,MAAnF,WAAmGjB,GACnG/8B,KAAKw3C,SAASn0B,KAEd/gB,IAAOrB,IAAP,WAAsBoiB,EAAK2H,GAA3B,QAAqCkd,EAAa7J,QAAlD,KAA8D6J,EAAalK,MAA3E,WAA2FjB,EAA3F,iBAAiH/W,EAAImrB,QAAQ,GAA7H,cAA6I5C,EAAU4C,QAAQ,IAC/JnxC,KAAKy3C,cAAcp0B,O,EAKzBg0B,2BAAA,SAA4BnP,EAAcqG,EAAW5tB,EAAOlZ,EAAKyvC,EAAcjZ,EAAWkZ,GACxF,IAEI9zB,EAFEnP,EAASlU,KAAK06B,IAAIxmB,OAAQguB,EAAQliC,KAAKkiC,MAMzCwV,OAA+C/oC,IAAlCuF,EAAOyjC,uBAAuCzjC,EAAOyjC,uBAAyBzjC,EAAO0jC,4BAA8B1P,EAAa3J,eAEjJ,GAAIgQ,EAAYlmC,KAAKslB,IAAIhN,EAAQzM,EAAOu6B,uBAAwBhnC,EAAMiwC,GAAa,CACjF,IAAIG,EAAmB73C,KAAK63C,iBAAmB73C,KAAK83C,oBAAoBn3B,EAAOunB,GAC/EqG,EAAYsJ,EACR3V,IAAUA,EAAMyR,QAAUzR,EAAM6V,YAAc7V,EAAM5pB,SAAWu/B,GAAoBA,EAAmB3V,EAAMwM,cAC9GpsC,IAAOrB,IAAP,eAA0BstC,EAAU4C,QAAQ,GAA5C,qFAAmI0G,EAAiB1G,QAAQ,IAC5JjP,EAAMwM,YAAcmJ,GAGtB73C,KAAK+1C,iBAAmB8B,EAa1B,GAAI3P,EAAayI,UAAYpC,EAAY9mC,GAAOy6B,GAASA,EAAM6V,WAC7D,OAAO,KAGT,GAAI/3C,KAAK21C,qBAAuBzN,EAAayI,SAAU,CAKrD,GAAIuG,EACF,GAAIhP,EAAaoK,mBAEfhwC,IAAOrB,IAAP,+DAA0Ei2C,EAAa1a,iBACvFnZ,EHhTH,SAA4B4a,EAA4B+Z,EAAyBvJ,GACtF,GAAiB,OAAbuJ,IAAsB/pC,MAAMgqC,QAAQha,KAAeA,EAAU13B,SAAW,YAAgByxC,GAC1F,OAAO,KAKT,GAAIA,GADa/Z,EAAU,GAAGzB,iBACF,GAC1B,OAAO,KAIT,GAAIwb,IADW/Z,EAAUA,EAAU13B,OAAS,GAAG29B,oBACpB,GACzB,OAAO,KAGTuK,EAAyBA,GAA0B,EACnD,IAAK,IAAIyJ,EAAM,EAAGA,EAAMja,EAAU13B,SAAU2xC,EAAK,CAC/C,IAAI70B,EAAO4a,EAAUia,GACrB,GAAItF,GAAuBoF,EAAUvJ,EAAwBprB,GAC3D,OAAOA,EAIX,OAAO,KGwRQ80B,CAAkBla,EAAWiZ,EAAahT,mBAAoBhwB,EAAOu6B,4BACvE,CAEL,IAAM2J,EAAWlB,EAAalsB,GAAK,EACnC,GAAIotB,GAAYlQ,EAAa7J,SAAW+Z,GAAYlQ,EAAalK,MAAO,CACtE,IAAMqa,EAAWpa,EAAUma,EAAWlQ,EAAa7J,SAC/C6Y,EAAava,KAAO0b,EAAS1b,KAC/BtZ,EAAOg1B,EACP/1C,IAAOrB,IAAP,8DAAyEoiB,EAAK2H,KAK7E3H,IACHA,EAAO2pB,EAAaC,OAAOhP,GAAW,SAAU5a,GAC9C,OAAO6zB,EAAava,GAAKtZ,EAAKsZ,QAG9Br6B,IAAOrB,IAAP,8DAAyEoiB,EAAK2H,IAKjF3H,IAIHA,EAAO4a,EAAU51B,KAAK0S,IAAIo8B,EAAU,EAAG9uC,KAAKC,MAAM6uC,EAAU,KAC5D70C,IAAOrB,IAAP,kEAA6EoiB,EAAK2H,KAItF,OAAO3H,G,EAGTi0B,cAAA,SAAe32B,EAAO23B,EAAkBC,EAAoBta,EAAWsQ,EAAW9mC,EAAKygC,GACrF,IACIsQ,EADEtkC,EAASlU,KAAK06B,IAAIxmB,OAGpBq6B,EAAY9mC,EAId+wC,EHtTC,SAA4BtB,EAAwBjZ,EAA4BsQ,EAAuBE,QAAqD,IAA5EF,MAAoB,QAAwD,IAArDE,MAAiC,GAC7I,IAAM4J,EAAWnB,EAAejZ,EAAUiZ,EAAalsB,GAAgBiT,EAAU,GAAGjT,GAAgB,GAAK,KAEzG,OAAIqtB,IAAa5F,GAA4BlE,EAAWE,EAAwB4J,GACvEA,EAEFrL,EAAaC,OAAOhP,EAAWwU,GAA4BnyC,KAAK,KAAMiuC,EAAWE,IGgTrEgK,CAAkBH,EAAkBra,EAAWsQ,EAHrCA,EAAY9mC,EAAMyM,EAAOu6B,uBAA0B,EAAIv6B,EAAOu6B,wBAMvF+J,EAAeva,EAAUsa,EAAqB,GAGhD,GAAIC,EAAc,CAChB,IAAME,EAAWF,EAAaxtB,GAAKkd,EAAa7J,QAC1Csa,EAAYL,GAAoBE,EAAazb,QAAUub,EAAiBvb,MACxE6b,EAAa3a,EAAUya,EAAW,GAClCG,EAAa5a,EAAUya,EAAW,GAGxC,GAAIJ,GAAoBE,EAAaxtB,KAAOstB,EAAiBttB,GAC3D,GAAI2tB,IAAcH,EAAaM,YAC7B,GAAIN,EAAaxtB,GAAKkd,EAAalK,MAAO,CACxC,IAAI1B,EAAWgc,EAAiBhc,SAK5BA,GAAYA,EAAWpoB,EAAO6c,eAAiBunB,EAAiBr4B,SAAWy4B,GAC7EF,EAAeI,EACft2C,IAAOpB,KAAK,4KAEZs3C,EAAeK,EACfv2C,IAAOrB,IAAP,gCAA2Cu3C,EAAaxtB,UAG1DwtB,EAAe,UAERA,EAAaM,cAElBD,GAAcA,EAAWC,aAC3Bx2C,IAAOpB,KAAP,qCAAiD23C,EAAW7tB,GAA5D,oCAAkGwtB,EAAaxtB,GAA/G,sBAAuI6tB,EAAW7tB,IAClJwtB,EAAeK,IAIfv2C,IAAOpB,KAAK,kFACZs3C,EAAav4B,QAAU,EACnB24B,GACFJ,EAAeI,GACFE,aAAc,EAClBJ,IAETF,EAAe,QAOzB,OAAOA,G,EAGThB,SAAA,SAAUn0B,GACRrjB,KAAKqmB,MAAQ2uB,GACbh1C,KAAK06B,IAAItlB,QAAQC,IAAM5P,YAAa,CAAE4d,U,EAGxCo0B,cAAA,SAAep0B,GAEb,IAAI01B,EAAY/4C,KAAK+yC,gBAAgBtG,SAASppB,GAE9CrjB,KAAKg5C,YAAc31B,EACH,gBAAZA,EAAK2H,KACPhrB,KAAK21C,oBAAqB,GAGxB,YAAgBtyB,EAAK2H,MAAQ3H,EAAKspB,cACpC3sC,KAAK+1C,iBAAmB1yB,EAAK1C,MAAQ0C,EAAK/K,UAIxC+K,EAAKy1B,aAAeC,IAAcpO,GAA4BoO,IAAcpO,GAC9EtnB,EAAK41B,UAAYj5C,KAAK06B,IAAIwe,iBAC1B71B,EAAKspB,YAAc3sC,KAAK2sC,YAExB3sC,KAAK06B,IAAItlB,QAAQC,IAAM5Q,aAAc,CAAE4e,SAElCrjB,KAAKizB,UACRjzB,KAAKizB,QAAU,IAAI6b,EAAQ9uC,KAAK06B,IAAK,SAGvC16B,KAAKqmB,MAAQ2uB,IACJ+D,IAAcpO,GAEnB3qC,KAAKm5C,uBAAuB91B,EAAK/K,WACnCtY,KAAK+yC,gBAAgBlH,eAAexoB,I,EAkB1C0nB,gBAAA,SAAiBnwB,GACf,OAAO5a,KAAK+yC,gBAAgBhI,gBAAgBnwB,EAAU2f,EAAkBmK,O,EAwB1E0U,sBAAA,SAAuB/1B,GACrB,OAAIA,EAEKrjB,KAAK+qC,gBAAgB1nB,EAAKyK,OAAS,IAErC,M,EAYTwoB,sBAAA,WACE,IAAI+C,EAAoB3K,EAAatvB,EAAQpf,KAAKkiC,MAClD,GAAI9iB,GAASA,EAAM24B,aAAgC,IAAlB34B,EAAMg0B,WACrC1E,EAActvB,EAAMsvB,aAOF1uC,KAAKszC,kBACrBtzC,KAAKszC,gBAAkB5E,GAGrBjB,EAAaC,WAAWtuB,EAAOsvB,GACjC2K,EAAqBr5C,KAAK+qC,gBAAgB2D,GACjCjB,EAAaC,WAAWtuB,EAAOsvB,EAAc,MAMtD2K,EAAqBr5C,KAAK+qC,gBAAgB2D,EAAc,KAEtD2K,GAAoB,CACtB,IAAIC,EAAcD,EAClB,GAAIC,IAAgBt5C,KAAKs5C,YAAa,CACpCt5C,KAAK06B,IAAItlB,QAAQC,IAAMjQ,aAAc,CAAEie,KAAMi2B,IAC7C,IAAMC,EAAmBD,EAAYvc,MAChC/8B,KAAKs5C,aAAet5C,KAAKs5C,YAAYvc,QAAUwc,GAClDv5C,KAAK06B,IAAItlB,QAAQC,IAAM7R,eAAgB,CAAEu5B,MAAOwc,IAGlDv5C,KAAKs5C,YAAcA,K,EAY3BE,qBAAA,WAEE,GADAl3C,IAAOrB,IAAI,yBACNjB,KAAKy5C,gBAAiB,CACzBz5C,KAAKy5C,iBAAkB,EACvB,IAAwBC,EAApBxX,EAAQliC,KAAKkiC,MACbA,GACFwX,EAAmBxX,EAAMyR,OACzBzR,EAAMyX,SAGND,GAAmB,EAErB15C,KAAK05C,iBAAmBA,EAE1B,IAAIV,EAAch5C,KAAKg5C,YACnBA,GAAeA,EAAY/b,QAC7B+b,EAAY/b,OAAOiJ,QAGrBlmC,KAAKg5C,YAAc,KAEnBh5C,KAAK45C,gBAAgB,EAAG5zC,OAAO6zC,oB,EAQjCC,wBAAA,WACE,IAAM5X,EAAQliC,KAAKkiC,MACfA,GAASA,EAAMiJ,SAAS5kC,SAC1BvG,KAAKy5C,iBAAkB,EACnBhM,EAAaC,WAAWxL,EAAOA,EAAMwM,eAEvCxM,EAAMwM,aAAe,MAElB1uC,KAAK05C,kBACRxX,EAAM6X,S,EAWZC,gBAAA,WACE,IAAM9X,EAAQliC,KAAKkiC,MAEnB,GAAIA,GAASA,EAAM6V,WAAY,CAC7B,IAAIkC,EAAYZ,EAAoBa,EAOpC,IANAb,EAAqBr5C,KAAK+qC,gBAAgB7I,EAAMwM,eACtB2K,EAAmBtrB,SAAW,GAGtD/tB,KAAK45C,gBAAgB,EAAGP,EAAmBtrB,SAAW,GAEnDmU,EAAMyR,OASTsG,EAAa,MATI,CAEjB,IAAIE,EAAcn6C,KAAK06B,IAAImb,cAAeuE,EAAYp6C,KAAKkhC,OAAOiZ,GAAcE,EAAer6C,KAAKq6C,aAElGJ,EADEI,GAAgBr6C,KAAKg5C,YACVh5C,KAAKg5C,YAAY1gC,SAAW8hC,EAAUzY,SAAW,IAAO0Y,GAAgB,EAExE,EAQjB,IADAH,EAAmBl6C,KAAK+qC,gBAAgB7I,EAAMwM,YAAcuL,MAG1DC,EAAmBl6C,KAAKo5C,sBAAsBc,IACxB,CAEpB,IAAIlB,EAAch5C,KAAKg5C,YACnBA,GAAeA,EAAY/b,QAC7B+b,EAAY/b,OAAOiJ,QAGrBlmC,KAAKg5C,YAAc,KAInBh5C,KAAK45C,gBAAgBM,EAAiB1J,YAAaxqC,OAAO6zC,sB,EAMlED,gBAAA,SAAiBU,EAAaC,GAC5Bv6C,KAAKqmB,MAAQ2uB,GACb,IAAIwF,EAAa,CAAEF,YAAaA,EAAaC,UAAWA,GAEpDv6C,KAAKq1C,WACPmF,EAAWj5C,KAAO,SAGpBvB,KAAK06B,IAAItlB,QAAQC,IAAMnS,gBAAiBs3C,I,EAG1CC,gBAAA,SAAiBp0C,GACf,IAAI67B,EAAQliC,KAAKkiC,MAAQliC,KAAK+2C,YAAc1wC,EAAK67B,MACjDliC,KAAK06C,WAAa16C,KAAK26C,eAAer6C,KAAKN,MAC3CA,KAAK46C,UAAY56C,KAAK66C,cAAcv6C,KAAKN,MACzCA,KAAK86C,SAAW96C,KAAK+6C,aAAaz6C,KAAKN,MACvCkiC,EAAMhI,iBAAiB,UAAWl6B,KAAK06C,YACvCxY,EAAMhI,iBAAiB,SAAUl6B,KAAK46C,WACtC1Y,EAAMhI,iBAAiB,QAASl6B,KAAK86C,UACrC,IAAI5mC,EAASlU,KAAKkU,OACdlU,KAAKkhC,QAAUhtB,EAAO8mC,eACxBh7C,KAAK06B,IAAI4a,UAAUphC,EAAOqhC,eAG5Bv1C,KAAKo1C,cAAgB,IAAItC,GAAc5+B,EAAQguB,EAAOliC,KAAK+yC,gBAAiB/yC,KAAK06B,M,EAGnFugB,iBAAA,WACE,IAAI/Y,EAAQliC,KAAKkiC,MACbA,GAASA,EAAM0R,QACjBtxC,IAAOrB,IAAI,sDACXjB,KAAKu1C,cAAgBv1C,KAAKszC,gBAAkB,GAI9C,IAAIpS,EAASlhC,KAAKkhC,OACdA,GACFA,EAAO/+B,SAAQ,SAAA46B,GACTA,EAAMxnB,SACRwnB,EAAMxnB,QAAQ0oB,UAAU97B,SAAQ,SAAAwJ,GAC9BA,EAASmtC,iBAAcnqC,QAO3BuzB,IACFA,EAAMuN,oBAAoB,UAAWzvC,KAAK06C,YAC1CxY,EAAMuN,oBAAoB,SAAUzvC,KAAK46C,WACzC1Y,EAAMuN,oBAAoB,QAASzvC,KAAK86C,UACxC96C,KAAK06C,WAAa16C,KAAK46C,UAAY56C,KAAK86C,SAAW,MAGrD96C,KAAK+yC,gBAAgBhG,qBACrB/sC,KAAKkiC,MAAQliC,KAAK+2C,YAAc,KAChC/2C,KAAK81C,gBAAiB,EACtB91C,KAAKw1C,Y,EAGPqF,cAAA,WACE,IAAM3Y,EAAQliC,KAAKkiC,MACbwM,EAAcxM,EAAQA,EAAMwM,iBAAc//B,EAChB3O,KAAKkU,OAA7Bu/B,qBAGqBzzC,KAAKo1C,cAAc1B,+BAC9C1zC,KAAK06B,IAAItlB,QAAQC,IAAMzP,qBAGrB,YAAgB8oC,IAClBpsC,IAAOrB,IAAP,mBAA8BytC,EAAYyC,QAAQ,IAIpDnxC,KAAKg2C,Q,EAGP3Q,kBAAA,WAEE/iC,IAAOrB,IAAI,wBACXjB,KAAK06B,IAAItlB,QAAQC,IAAMzS,cACvB5C,KAAK+yC,gBAAgBhG,qBACrB/sC,KAAKkzC,SAAU,EACflzC,KAAKu1C,cAAgBv1C,KAAKszC,gBAAkB,G,EAG9C4H,iBAAA,SAAkB70C,GAChB,IAAgC2Q,EAA5BmkC,GAAM,EAAOC,GAAQ,EACzB/0C,EAAK66B,OAAO/+B,SAAQ,SAAA46B,IAElB/lB,EAAQ+lB,EAAM5mB,eAEwB,IAAhCa,EAAM3N,QAAQ,eAChB8xC,GAAM,IAG4B,IAAhCnkC,EAAM3N,QAAQ,eAChB+xC,GAAQ,OAIdp7C,KAAKq7C,iBAAoBF,GAAOC,EAC5Bp7C,KAAKq7C,kBACP/4C,IAAOrB,IAAI,0EAGbjB,KAAKq1C,SAAWhvC,EAAKgvC,SACrBr1C,KAAKkhC,OAAS76B,EAAK66B,OACnBlhC,KAAK21C,oBAAqB,EAC1B,IAAIzhC,EAASlU,KAAKkU,QACdA,EAAO8mC,eAAiBh7C,KAAKi2C,iBAC/Bj2C,KAAK06B,IAAI4a,UAAUphC,EAAOqhC,gB,EAI9B+F,cAAA,SAAej1C,GACb,IAAMk1C,EAAal1C,EAAKkP,QAClBimC,EAAan1C,EAAK02B,MAClBwU,EAAYvxC,KAAKkhC,OAAOlhC,KAAKu2C,iBAC7BkF,EAAWz7C,KAAKkhC,OAAOsa,GACvBljC,EAAWijC,EAAW/c,cACxB6S,EAAU,EAId,GAFA/uC,IAAOrB,IAAP,SAAoBu6C,EAApB,YAA0CD,EAAWld,QAArD,IAAgEkd,EAAWvd,MAA3E,cAA8F1lB,GAE1FijC,EAAWrd,KAAM,CACnB,IAAI0T,EAAa6J,EAASlmC,QACtBq8B,GAAc2J,EAAWtd,UAAU13B,OAAS,INtpB/C,SAAuBm1C,EAAYH,GAEpCA,EAAWnjC,aAAesjC,EAAWtjC,cACvCmjC,EAAWnjC,YAAcsjC,EAAWtjC,aAKtC,IACIujC,EADAC,EAAW,EAgBf,GAdAhL,GAAwB8K,EAAYH,GAAY,SAACvK,EAASC,GACxD2K,EAAW5K,EAAQrU,GAAKsU,EAAQtU,GAC5B,YAAgBqU,EAAQjjB,YAC1BkjB,EAAQtwB,MAAQswB,EAAQljB,SAAWijB,EAAQjjB,SAC3CkjB,EAAQnjB,OAASkjB,EAAQljB,OACzBmjB,EAAQ34B,SAAW04B,EAAQ14B,SAC3B24B,EAAQ6H,YAAc9H,EAAQ8H,YAC9B7H,EAAQhxB,QAAU+wB,EAAQ/wB,QAC1B07B,EAAU1K,GAGZsK,EAAW5K,UAAW,KAGnB4K,EAAW5K,SAAhB,CAIA,GAAIiL,EAAU,CACZt5C,IAAOrB,IAAI,gEAEX,IADA,IAAM46C,EAAeN,EAAWtd,UACvBh3B,EAAI,EAAGA,EAAI40C,EAAat1C,OAAQU,IACvC40C,EAAa50C,GAAG01B,IAAMif,EAKtBD,EACFpL,GAAiBgL,EAAYI,EAASA,EAAQ5tB,SAAU4tB,EAAQ7tB,OAAQ6tB,EAAQtqB,SAAUsqB,EAAQrqB,QAmD/F,SAAwBuf,EAAaC,GAC1C,IAAM/gB,EAAQ+gB,EAAYzS,QAAUwS,EAAYxS,QAC1Cyd,EAAejL,EAAY5S,UAC3B4d,EAAe/K,EAAY7S,UAEjC,GAAIlO,EAAQ,GAAKA,EAAQ+rB,EAAav1C,OACpC,OAEF,IAAK,IAAIU,EAAI,EAAGA,EAAI40C,EAAat1C,OAAQU,IACvC40C,EAAa50C,GAAG0Z,OAASm7B,EAAa/rB,GAAOpP,MAvD7Co7B,CAAcL,EAAYH,GAI5BA,EAAW5K,SAAW+K,EAAW/K,UMymB3BqL,CAAyBpK,EAAY2J,GACrClK,EAAUkK,EAAWtd,UAAU,GAAGtd,MAClC3gB,KAAK63C,iBAAmB73C,KAAK83C,oBAAoBzG,EAASO,GACtD2J,EAAW5K,UAAY,YAAgBU,GACzC/uC,IAAOrB,IAAP,yBAAoCowC,EAAQF,QAAQ,KAEpD7uC,IAAOrB,IAAI,iDACXqwC,GAAYtxC,KAAKk3C,aAAc3F,EAAWgK,MAG5Cj5C,IAAOrB,IAAI,+CACXs6C,EAAW5K,UAAW,EACtBW,GAAYtxC,KAAKk3C,aAAc3F,EAAWgK,SAG5CA,EAAW5K,UAAW,EAOxB,GAJA8K,EAASlmC,QAAUgmC,EACnBv7C,KAAKu2C,gBAAkBiF,EACvBx7C,KAAK06B,IAAItlB,QAAQC,IAAM1R,cAAe,CAAE4R,QAASgmC,EAAYxe,MAAOye,KAEpC,IAA5Bx7C,KAAK21C,mBAA8B,CAErC,IAA4B,IAAxB31C,KAAKu1C,gBAAkD,IAA1Bv1C,KAAKszC,gBAAwB,CAE5D,IAAIhV,EAAkBid,EAAWjd,gBAC7B,YAAgBA,IACdA,EAAkB,IACpBh8B,IAAOrB,IAAP,8BAAyCq9B,EAAzC,qCACAA,EAAkB+S,EAAU/4B,EAAWgmB,GAEzCh8B,IAAOrB,IAAP,gEAA2Eq9B,GAC3Et+B,KAAKu1C,cAAgBjX,GAGjBid,EAAWrd,MACbl+B,KAAKu1C,cAAgBv1C,KAAK83C,oBAAoBzG,EAASkK,GACvDj5C,IAAOrB,IAAP,8BAAyCjB,KAAKu1C,gBAE9Cv1C,KAAKu1C,cAAgB,EAGzBv1C,KAAKszC,gBAAkBtzC,KAAKu1C,cAE9Bv1C,KAAK+1C,iBAAmB/1C,KAAKu1C,cAG3Bv1C,KAAKqmB,QAAU2uB,KACjBh1C,KAAKqmB,MAAQ2uB,IAIfh1C,KAAKg2C,Q,EAGPiG,YAAA,WACMj8C,KAAKqmB,QAAU2uB,KACjBh1C,KAAKqmB,MAAQ2uB,GACbh1C,KAAKg2C,S,EAITtJ,aAAA,SAAcrmC,GAAM,IACV2yC,EAAoCh5C,KAApCg5C,YAAate,EAAuB16B,KAAvB06B,IAAKwG,EAAkBlhC,KAAlBkhC,OAAQgB,EAAUliC,KAAVkiC,MAC5Bga,EAAa71C,EAAKgd,KACxB,GAAIrjB,KAAKqmB,QAAU2uB,IACfgE,GACoB,SAApBkD,EAAW36C,MACX26C,EAAWnf,QAAUic,EAAYjc,OACjCmf,EAAWlxB,KAAOguB,EAAYhuB,GAAI,CACpC,IAAMuI,EAAQltB,EAAKktB,MACb4oB,EAAejb,EAAO8X,EAAYjc,OAClCxnB,EAAU4mC,EAAa5mC,QAQ7B,GAJAvV,KAAK2sC,aAAc,EACnB3sC,KAAKuzB,MAAQA,EAEbjxB,IAAOrB,IAAP,UAAqB+3C,EAAYhuB,GAAjC,QAA2CzV,EAAQ8oB,QAAnD,KAA+D9oB,EAAQyoB,MAAvE,WAAuFgb,EAAYjc,OAC/Fmf,EAAWvP,aAAejS,EAAImb,cAEhC71C,KAAKqmB,MAAQ2uB,GACbh1C,KAAK21C,oBAAqB,EAC1BpiB,EAAM6U,QAAU7U,EAAM6oB,UAAYryC,OAAO+oB,YAAY/F,MACrD2N,EAAItlB,QAAQC,IAAMlQ,cAAe,CAAEouB,MAAOA,EAAOlQ,KAAM21B,EAAavgC,GAAI,SACxEzY,KAAKg2C,YACA,GAAsB,gBAAlBkG,EAAWlxB,GACpBhrB,KAAKqmB,MAAQ2uB,GACbzhB,EAAM6U,QAAU7U,EAAM6oB,UAAYryC,OAAO+oB,YAAY/F,MACrDxX,EAAQ6C,YAAY/R,KAAOA,EAAKukB,QAChC8P,EAAItlB,QAAQC,IAAMlQ,cAAe,CAAEouB,MAAOA,EAAOlQ,KAAM21B,EAAavgC,GAAI,SACxEzY,KAAKg2C,WACA,CACL1zC,IAAOrB,IAAP,WAAsB+3C,EAAYhuB,GAAlC,QAA4CzV,EAAQ8oB,QAApD,KAAgE9oB,EAAQyoB,MAAxE,WAAwFgb,EAAYjc,MAApG,QAAiHic,EAAYrc,IAC7H38B,KAAKqmB,MAAQ2uB,GACbh1C,KAAKq8C,kBAAmB,EACxBr8C,KAAKs8C,UAAW,EAIZJ,EAAWvP,cACbuP,EAAWvP,aAAc,EACzB3sC,KAAK+yC,gBAAgBrG,aAAa,CAChCrpB,KAAM64B,KAKV,IAAMhjC,IAAuBgpB,GAASA,EAAMkR,WAAa79B,EAAQo7B,WAAap7B,EAAQ2oB,MAChFqe,EAAkBhnC,EAAQ6C,YAAc7C,EAAQ6C,YAAY/R,KAAO,GACnE8P,EAAanW,KAAKw8C,eAAeL,IAGvBn8C,KAAKizB,QAAUjzB,KAAKizB,SAAW,IAAI6b,EAAQ9uC,KAAK06B,IAAK,SAC7D9yB,KACNvB,EAAKukB,QACL2xB,EACApmC,EACAgmC,EAAa9jC,WACb2gC,EACAzjC,EAAQipB,cACRtlB,IAINlZ,KAAK01C,cAAgB,G,EAGvB+G,yBAAA,SAA0Bp2C,GACxB,IAAM2yC,EAAch5C,KAAKg5C,YACnB0D,EAAUr2C,EAAKgd,KAErB,GAAI21B,GACY,SAAZ3yC,EAAKoS,IACLikC,EAAQ1xB,KAAOguB,EAAYhuB,IAC3B0xB,EAAQ3f,QAAUic,EAAYjc,OAC9B/8B,KAAKqmB,QAAU2uB,GAAe,CAChC,IAA0B2H,EAAWzmC,EAAjCgV,EAAS7kB,EAAK6kB,OASlB,GANIA,EAAO7L,OAASrf,KAAKq1C,iBAChBnqB,EAAO7L,MAIhBnJ,EAAQgV,EAAO7L,MACJ,CACT,IAAIlJ,EAAanW,KAAKkhC,OAAOlhC,KAAK+8B,OAAO5mB,WACvCymC,EAAKlmC,UAAUD,UAAUE,cACvBR,GAAcnW,KAAKk1C,iBACrB5yC,IAAOrB,IAAI,iCAETkV,GADuC,IAArCA,EAAW9M,QAAQ,aACR,YAEA,aAObrJ,KAAKq7C,kBAE6B,IAAhCnlC,EAAMyY,SAAS5X,eAEU,IAA3B6lC,EAAGvzC,QAAQ,aACX8M,EAAa,cAIc,IAA3BymC,EAAGvzC,QAAQ,YAAyC,eAApB6M,EAAMsC,YACxCrC,EAAa,YACb7T,IAAOrB,IAAP,iCAA4CkV,IAE9CD,EAAM2mC,WAAa1mC,EACnBD,EAAMuC,GAAKpS,EAAKoS,GASlB,IAAKkkC,KAPLzmC,EAAQgV,EAAO9L,SAEblJ,EAAM2mC,WAAa78C,KAAKkhC,OAAOlhC,KAAK+8B,OAAO1kB,WAC3CnC,EAAMuC,GAAKpS,EAAKoS,IAElBzY,KAAK06B,IAAItlB,QAAQC,IAAMxS,cAAeqoB,GAEpBA,EAAQ,CACxBhV,EAAQgV,EAAOyxB,GACfr6C,IAAOrB,IAAP,cAAyB07C,EAAzB,cAAgDzmC,EAAMsC,UAAtD,0BAAyFtC,EAAM2mC,WAA/F,IAA6G3mC,EAAMc,MAAnH,KACA,IAAIoB,EAAclC,EAAMkC,YACpBA,IACFpY,KAAKs8C,UAAW,EAEhBt8C,KAAKq8C,kBAAmB,EACxBr8C,KAAK06B,IAAItlB,QAAQC,IAAMtS,iBAAkB,CAAExB,KAAMo7C,EAAWt2C,KAAM+R,EAAa0kC,OAAQ,OAAQC,QAAS,iBAI5G/8C,KAAKg2C,S,EAITgH,kBAAA,SAAmB32C,GAAM,WACjB2yC,EAAch5C,KAAKg5C,YACnB0D,EAAUr2C,EAAKgd,KACrB,GAAI21B,GACY,SAAZ3yC,EAAKoS,IACLikC,EAAQ1xB,KAAOguB,EAAYhuB,IAC3B0xB,EAAQ3f,QAAUic,EAAYjc,QACd,UAAd12B,EAAK9E,OAAoBvB,KAAKq1C,WAChCr1C,KAAKqmB,QAAU2uB,GAAe,CAChC,IAAIjY,EAAQ/8B,KAAKkhC,OAAOlhC,KAAK+8B,OAC3B1Z,EAAO21B,EAiBT,GAhBK,YAAgB3yC,EAAKynB,UACxBznB,EAAKynB,OAASznB,EAAK0nB,SAAWirB,EAAY1gC,SAC1CjS,EAAKirB,OAASjrB,EAAKgrB,SAAW2nB,EAAY1gC,WAGtB,IAAlBjS,EAAKkrB,UACPlO,EAAKia,oBAAoB9B,EAAsBY,QAG3B,IAAlB/1B,EAAKmrB,UACPnO,EAAKia,oBAAoB9B,EAAsBa,OAGjD/5B,IAAOrB,IAAP,UAAqBoF,EAAK9E,KAA1B,SAAuC8E,EAAK0nB,SAASojB,QAAQ,GAA7D,IAAmE9qC,EAAKynB,OAAOqjB,QAAQ,GAAvF,UAAmG9qC,EAAKgrB,SAAS8f,QAAQ,GAAzH,IAA+H9qC,EAAKirB,OAAO6f,QAAQ,GAAnJ,QAA6J9qC,EAAKorB,GAAlK,aAAgLprB,EAAK4Z,SAAW,IAG9K,UAAd5Z,EAAK9E,KAEP,GADA8hB,EAAKpD,QAAU5Z,EAAK4Z,QAChBoD,EAAKpD,QACP,GAAKoD,EAAKy1B,YAkBRx2C,IAAOpB,KAAK,+DAAgEmiB,EAAK2H,QAlB5D,CACrB,IAAMkd,EAAenL,EAAMxnB,QAC3B,IAAI2yB,GAAgB7kB,EAAK2H,KAAOkd,EAAa7J,QAa3C,OAVA/7B,IAAOpB,KAAK,gDAAiDmiB,EAAK2H,IAIlEhrB,KAAK+yC,gBAAgBlH,eAAexoB,GACpCA,EAAKy1B,aAAc,EACnB94C,KAAK+1C,iBAAmB1vC,EAAK0nB,SAC7B/tB,KAAKqmB,MAAQ2uB,GACbh1C,KAAKk3C,aAAe7zB,OACpBrjB,KAAKg2C,OAXL1zC,IAAOpB,KAAK,2DAA4DmiB,EAAK2H,SAmBjF3H,EAAKy1B,aAAc,EAIvB,IAAIrI,EAAQuL,GAA6Bjf,EAAMxnB,QAAS8N,EAAMhd,EAAK0nB,SAAU1nB,EAAKynB,OAAQznB,EAAKgrB,SAAUhrB,EAAKirB,QAC5GoJ,EAAM16B,KAAK06B,IACbA,EAAItlB,QAAQC,IAAMzR,kBAAmB,CAAE2R,QAASwnB,EAAMxnB,QAASwnB,MAAO/8B,KAAK+8B,MAAO0T,MAAOA,EAAOlvC,KAAM8E,EAAK9E,KAAMof,MAAOta,EAAK0nB,SAAUtmB,IAAKpB,EAAKynB,SAEjJ,CAACznB,EAAK8qB,MAAO9qB,EAAK+qB,OAAOjvB,SAAQ,SAAAuG,GAG3BA,GAAUA,EAAOnC,QAAU,EAAK8f,QAAU2uB,KAC5C,EAAKsH,UAAW,EAEhB,EAAKD,kBAAmB,EACxB3hB,EAAItlB,QAAQC,IAAMtS,iBAAkB,CAAExB,KAAM8E,EAAK9E,KAAM8E,KAAMqC,EAAQo0C,OAAQ,OAAQC,QAAS,aAIlG/8C,KAAKg2C,S,EAITiH,aAAA,SAAc52C,GACZ,IAAM2yC,EAAch5C,KAAKg5C,YACnB0D,EAAUr2C,EAAKgd,KACjB21B,GACY,SAAZ3yC,EAAKoS,IACLikC,EAAQ1xB,KAAOguB,EAAYhuB,IAC3B0xB,EAAQ3f,QAAUic,EAAYjc,OAC9B/8B,KAAKqmB,QAAU2uB,KACjBh1C,KAAKuzB,MAAM6U,QAAUr+B,OAAO+oB,YAAY/F,MACxC/sB,KAAKqmB,MAAQ2uB,GACbh1C,KAAKk9C,yB,EAITC,sBAAA,SAAuB92C,GAErB,IAAIgvC,IAAahvC,EAAKyC,IACpBysB,EAAUlvB,EAAKoS,GAIjB,IAAK48B,EAAU,CACb,GAAIr1C,KAAK+2C,cAAgB/2C,KAAKkiC,MAAO,CACnC5/B,IAAOrB,IAAI,iFACXjB,KAAK+2C,YAAc/2C,KAAKkiC,MACxB,IAAI8W,EAAch5C,KAAKg5C,YAEnBA,EAAY/b,SACd36B,IAAOrB,IAAI,4DACX+3C,EAAY/b,OAAOiJ,SAErBlmC,KAAKg5C,YAAc,KACnBh5C,KAAKk3C,aAAe,KAEhBl3C,KAAKizB,UACPjzB,KAAKizB,QAAQlf,UACb/T,KAAKizB,QAAU,MAGjBjzB,KAAKqmB,MAAQ2uB,GAEf,IAAIta,EAAM16B,KAAK06B,IAEfA,EAAItlB,QAAQC,IAAMnS,gBAAiB,CAAEo3C,YAAa,EAAGC,UAAWv0C,OAAO6zC,kBAAmBt4C,KAAM,UAChGm5B,EAAItlB,QAAQC,IAAMrR,qBAAsB,CAAEyU,GAAI8c,IAC9Cv1B,KAAKq1C,UAAW,I,EAIpB+H,qBAAA,SAAsB/2C,GACpB,IAAIkvB,EAAUlvB,EAAKoS,GACjB48B,IAAar1C,KAAK06B,IAAIkN,YAAYrS,GAASzsB,IAC7C,GAAIusC,EAAU,CACZ,IAAIgI,EAAcr9C,KAAKq9C,YAEnBA,GAAer9C,KAAK+2C,cAAgBsG,IACtC/6C,IAAOrB,IAAI,sFACXjB,KAAK+2C,YAAcsG,GAGvBr9C,KAAKq1C,SAAWA,EAChBr1C,KAAKg2C,Q,EAGPsH,gBAAA,SAAiBj3C,GACf,IAA0Bk3C,EAAY/vC,EAAlC0d,EAAS7kB,EAAK6kB,OAA0BsyB,GAAY,EACxD,IAAK,IAAIj8C,KAAQ2pB,EAAQ,CACvB,IAAIhV,EAAQgV,EAAO3pB,GACF,SAAb2U,EAAMuC,IACRjL,EAAOjM,EACPg8C,EAAarnC,EAEA,UAAT3U,IACFvB,KAAKq9C,YAAcnyB,EAAO3pB,GAAMmH,SAGlC80C,GAAY,EAGZA,GAAaD,GACfj7C,IAAOrB,IAAP,8BAAyCuM,EAAzC,+CACAxN,KAAK+2C,YAAcwG,EAAW70C,QAE9B1I,KAAK+2C,YAAc/2C,KAAKkiC,O,EAI5B0K,iBAAA,SAAkBvmC,GAChB,GAAoB,SAAhBA,EAAKy2C,OAAmB,CAC1B,IAAMz2B,EAAQrmB,KAAKqmB,MACfA,IAAU2uB,IAAiB3uB,IAAU2uB,KAEvCh1C,KAAKq8C,iBAAoBh2C,EAAKo3C,QAAU,EACxCz9C,KAAKk9C,0B,EAKXA,qBAAA,WAEE,KAAIl9C,KAAKqmB,QAAU2uB,IAAkBh1C,KAAKs8C,UAAat8C,KAAKq8C,kBAAmB,CAC7E,IAAMh5B,EAAOrjB,KAAKg5C,YAClB,GAAI31B,EAAM,CACR,IAAM6e,EAAQliC,KAAK+2C,YAAc/2C,KAAK+2C,YAAc/2C,KAAKkiC,MACzD5/B,IAAOrB,IAAP,mBAA8BiwC,GAAW5rB,SAAS4c,EAAMiJ,WACxDnrC,KAAKk3C,aAAe7zB,EACpB,IAAMkQ,EAAQvzB,KAAKuzB,MACnBA,EAAM6oB,UAAYryC,OAAO+oB,YAAY/F,MAErC/sB,KAAKq6C,aAAehyC,KAAKC,MAAM,EAAIirB,EAAMmqB,OAASnqB,EAAM6oB,UAAY7oB,EAAMoqB,SAC1E39C,KAAK06B,IAAItlB,QAAQC,IAAMlQ,cAAe,CAAEouB,MAAOA,EAAOlQ,KAAMA,EAAM5K,GAAI,SACtEzY,KAAKqmB,MAAQ2uB,GAEfh1C,KAAKg2C,S,EAITjP,QAAA,SAAS1gC,GACP,IAAIgd,EAAOhd,EAAKgd,MAAQrjB,KAAKg5C,YAE7B,IAAI31B,GAAsB,SAAdA,EAAK9hB,KAAjB,CAKA,IAAIq8C,IAAkB59C,KAAKkiC,OAASuL,EAAaC,WAAW1tC,KAAKkiC,MAAOliC,KAAKkiC,MAAMwM,cAAgBjB,EAAaC,WAAW1tC,KAAKkiC,MAAOliC,KAAKkiC,MAAMwM,YAAc,IAEhK,OAAQroC,EAAKkP,SACb,KAAKzP,IAAaokC,gBAClB,KAAKpkC,IAAaqkC,kBAClB,KAAKrkC,IAAa2kC,eAClB,KAAK3kC,IAAa4kC,iBAChB,IAAKrkC,EAAKoP,MAER,GAAKzV,KAAK01C,cAAgB,GAAM11C,KAAKkU,OAAO2pC,oBAAqB,CAE/D,IAAIC,EAAQz1C,KAAK0S,IAAI1S,KAAK+e,IAAI,EAAGpnB,KAAK01C,eAAiB11C,KAAKkU,OAAOs2B,sBAAuBxqC,KAAKkU,OAAO61B,4BACtGznC,IAAOpB,KAAP,kDAA8D48C,EAA9D,OACA99C,KAAKo2C,UAAYrsC,OAAO+oB,YAAY/F,MAAQ+wB,EAIvC99C,KAAK81C,iBACR91C,KAAK21C,oBAAqB,EAC1B31C,KAAK+1C,iBAAmB/1C,KAAKu1C,eAE/Bv1C,KAAK01C,gBACL11C,KAAKqmB,MAAQ2uB,QAEb1yC,IAAOlB,MAAP,oBAAiCiF,EAAKkP,QAAtC,+CAEAlP,EAAKoP,OAAQ,EACbzV,KAAKqmB,MAAQ2uB,GAGjB,MACF,KAAKlvC,IAAamjC,iBAClB,KAAKnjC,IAAakjC,mBACZhpC,KAAKqmB,QAAU2uB,KACb3uC,EAAKoP,OAEPzV,KAAKqmB,MAAQ2uB,GACb1yC,IAAOpB,KAAP,qBAAiCmF,EAAKkP,QAAtC,cAA2DvV,KAAKqmB,MAAhE,eAGKhgB,EAAK03C,YAAc/9C,KAAKqmB,QAAU2uB,KACrCh1C,KAAKqmB,MAAQ2uB,KAInB,MACF,KAAKlvC,IAAak4C,kBAEI,SAAhB33C,EAAKy2C,QAAsB98C,KAAKqmB,QAAU2uB,IAAiBh1C,KAAKqmB,QAAU2uB,KAExE4I,GACF59C,KAAKm5C,uBAAuBn5C,KAAKkU,OAAO2iC,iBACxC72C,KAAKqmB,MAAQ2uB,KAKb1yC,IAAOpB,KAAK,8EACZlB,KAAKg5C,YAAc,KAEnBh5C,KAAK45C,gBAAgB,EAAG5zC,OAAO6zC,wB,EASvCV,uBAAA,SAAwB8E,GACtB,IAAI/pC,EAASlU,KAAKkU,OAClB,OAAIA,EAAO4iC,oBAAsBmH,IAE/B/pC,EAAO4iC,oBAAsB,EAC7Bx0C,IAAOpB,KAAP,oCAAgDgT,EAAO4iC,mBAAvD,MACO,I,EASXT,aAAA,WAAgB,IACNnU,EAAUliC,KAAVkiC,MACR,GAAKA,GAA8B,IAArBA,EAAM6V,WAApB,CAKA,IACM5M,GADcnrC,KAAK+2C,YAAc/2C,KAAK+2C,YAAc7U,GAC7BiJ,UAExBnrC,KAAK81C,gBAAkB3K,EAAS5kC,QACnCvG,KAAK81C,gBAAiB,EACtB91C,KAAKk+C,mBACIl+C,KAAKy5C,gBACdz5C,KAAK85C,0BAEL95C,KAAKo1C,cAAc/B,KAAKrzC,KAAKszC,gBAAiBnI,K,EAIlDgT,2BAAA,WACEn+C,KAAKqmB,MAAQ2uB,GAGRh1C,KAAK81C,iBACR91C,KAAK21C,oBAAqB,EAC1B31C,KAAK+1C,iBAAmB/1C,KAAKu1C,eAE/Bv1C,KAAKg2C,Q,EAGPoI,gBAAA,WAIE,IAAMlc,EAAQliC,KAAK+2C,YAAc/2C,KAAK+2C,YAAc/2C,KAAKkiC,MACrDA,GAEFliC,KAAK+yC,gBAAgB1H,uBAAuB7P,EAAsBa,MAAO6F,EAAMiJ,UAGjFnrC,KAAKqmB,MAAQ2uB,GAEbh1C,KAAKk3C,aAAe,M,EAGtBmH,eAAA,WACEr+C,KAAKk1C,gBAAkBl1C,KAAKk1C,gB,EAM9BgJ,gBAAA,WAAmB,IACThc,EAAUliC,KAAVkiC,MACFwM,EAAcxM,EAAMwM,YAGpB6G,EAAgBrT,EAAMkR,QAAU1E,EAAc1uC,KAAKu1C,cAErD7G,IAAgB6G,GAAiBA,GAAiB,IAEpDjzC,IAAOrB,IAAP,iEAA4Es0C,EAA5E,sBAA+G7G,EAA/G,KACAxM,EAAMwM,YAAc6G,I,EAIxBiH,eAAA,SAAgBL,GACd,IAAIhmC,EAAanW,KAAKkU,OAAOoqC,mBAAqBnC,EAAahmC,WAY/D,OAXInW,KAAKk1C,iBACP5yC,IAAOrB,IAAI,iCACPkV,IAEAA,GADuC,IAArCA,EAAW9M,QAAQ,aACR,YAEA,cAKZ8M,G,kCA13BEooC,GACT,GAAIv+C,KAAKqmB,QAAUk4B,EAAW,CAC5B,IAAMC,EAAgBx+C,KAAKqmB,MAC3BrmB,KAAKm1C,OAASoJ,EACdj8C,IAAOrB,IAAP,2BAAsCu9C,EAAtC,KAAwDD,GACxDv+C,KAAK06B,IAAItlB,QAAQC,IAAM1P,wBAAyB,CAAE64C,gBAAeD,gB,eAKnE,OAAOv+C,KAAKm1C,S,mCAQZ,IAAIjT,EAAQliC,KAAKkiC,MACjB,GAAIA,EAAO,CACT,IAAM7e,EAAOrjB,KAAK+qC,gBAAgB7I,EAAMwM,aACxC,GAAIrrB,EACF,OAAOA,EAAK0Z,MAGhB,OAAQ,I,uCAIR,IAAImF,EAAQliC,KAAKkiC,MACjB,OAAIA,EAEKliC,KAAKo5C,sBAAsBp5C,KAAK+qC,gBAAgB7I,EAAMwM,cAEtD,O,gCAaT,IAAMrrB,EAAOrjB,KAAKk6C,iBAClB,OAAI72B,EACKA,EAAK0Z,OAEJ,I,uCA20BV,OAAO/8B,KAAKy+C,mB,aAGQr+C,GACpBJ,KAAKy+C,kBAAoBr+C,O,wND7yC3B81C,OAAA,a,EAEAZ,UAAA,a,EAEAE,SAAA,WACE,IAAInyB,EAAOrjB,KAAKg5C,YACZ31B,IACEA,EAAK4Z,QACP5Z,EAAK4Z,OAAOiJ,QAEdlmC,KAAK+yC,gBAAgBlH,eAAexoB,IAElCrjB,KAAKizB,UACPjzB,KAAKizB,QAAQlf,UACb/T,KAAKizB,QAAU,MAEjBjzB,KAAKg5C,YAAc,KACnBh5C,KAAKk3C,aAAe,KACpBl3C,KAAK0+C,gBACL1+C,KAAK2+C,gBACL3+C,KAAKqmB,MAAQ2uB,I,EAGfgC,aAAA,SAAcrJ,EAAYzF,GAAc,IAC9B8Q,EAAiCh5C,KAAjCg5C,YAAajG,EAAoB/yC,KAApB+yC,gBAKrB,IAAK7K,EAAahK,MAAQ8a,IAAgBA,EAAYF,aAAeE,EAAYhuB,KAAOkd,EAAalK,QAAU2P,EAAWI,UAAW,CACnI,IAAMgL,EAAYhG,EAAgBtG,SAASuM,GAC3C,OAAOD,IAAcpO,GAAyBoO,IAAcpO,EAE9D,OAAO,G,EAGTgQ,eAAA,WAAkB,IACRzmC,EAAsClU,KAAtCkU,OAAQguB,EAA8BliC,KAA9BkiC,MAAO6U,EAAuB/2C,KAAvB+2C,YAAa1wB,EAAUrmB,KAAVqmB,MAC9BqoB,EAAcxM,EAAQA,EAAMwM,YAAc,KAC1Cf,EAAaF,EAAaE,WAAWoJ,GAAe7U,EAAOwM,EAAa1uC,KAAKkU,OAAO6c,eAM1F,GAJI,YAAgB2d,IAClBpsC,IAAOrB,IAAP,oBAA+BytC,EAAYyC,QAAQ,IAGjD9qB,IAAU2uB,GAAoB,CAChC,IAAIgE,EAAch5C,KAAKg5C,YAEvB,GAAuB,IAAnBrL,EAAWhkC,KAAaqvC,EAAa,CACvC,IAAM4F,EAAY1qC,EAAOu6B,uBACnBoQ,EAAkB7F,EAAYr4B,MAAQi+B,EACtCE,EAAgB9F,EAAYr4B,MAAQq4B,EAAY1gC,SAAWsmC,EAE7DlQ,EAAcmQ,GAAmBnQ,EAAcoQ,GAC7C9F,EAAY/b,SACd36B,IAAOrB,IAAI,mFACX+3C,EAAY/b,OAAOiJ,SAErBlmC,KAAKg5C,YAAc,KACnBh5C,KAAKk3C,aAAe,KAEpBl3C,KAAKqmB,MAAQ2uB,IAEb1yC,IAAOrB,IAAI,8EAGNolB,IAAU2uB,KAEI,IAAnBrH,EAAWhkC,MACb3J,KAAKk3C,aAAe,KACpBl3C,KAAKg5C,YAAc,MAIrBh5C,KAAKqmB,MAAQ2uB,IAEX9S,IACFliC,KAAKszC,gBAAkB5E,GAIpB1uC,KAAK81C,iBACR91C,KAAK+1C,iBAAmB/1C,KAAKu1C,cAAgB7G,GAI/C1uC,KAAKg2C,Q,EAGP+E,aAAA,WAEE/6C,KAAKu1C,cAAgBv1C,KAAKszC,gBAAkB,G,EAG9CvY,oBAAA,WACE/6B,KAAKw1C,WACL,YAAMza,oBAAN,Y,EAGFE,mBAAA,WACEj7B,KAAKqmB,MAAQ2uB,GACbh1C,KAAK+yC,gBAAkB,M,EAGzB+E,oBAAA,SAAqBzG,EAASnJ,GAC5B,IAAI6W,OAAiDpwC,IAAjC3O,KAAKkU,OAAO8qC,iBAAiCh/C,KAAKkU,OAAO8qC,iBAAmBh/C,KAAKkU,OAAO+qC,sBAAwB/W,EAAa3J,eACjJ,OAAO8S,EAAUhpC,KAAKslB,IAAI,EAAGua,EAAa1J,cAAgBugB,I,uBE5F5D,WAAarkB,GAA+B,6BAAlBntB,EAAkB,iCAAlBA,EAAkB,yBAC1C,uBAAMmtB,GAAN,OAAcntB,KAAd,MANe2xC,gBAK2B,IAJpCC,WAA4B,KAIQ,EAHpCC,cAA+B,KAGK,EAFpCC,eAAiB,EAIvB,EAAKH,WAAa,EAAKlJ,KAAK11C,KAAV,OAFwB,E,kHAQlCy6B,oBAAV,WAEE/6B,KAAK2+C,gBACL3+C,KAAK0+C,iB,EAMAY,YAAP,WACE,QAASt/C,KAAKo/C,e,EAMTG,YAAP,WACE,QAASv/C,KAAKm/C,Y,EAOT1J,YAAP,SAAoB+J,GAClB,OAAKx/C,KAAKo/C,gBACRp/C,KAAKo/C,cAAgBp1C,KAAKyrC,YAAYz1C,KAAKk/C,WAAYM,IAChD,I,EAQJd,cAAP,WACE,QAAI1+C,KAAKo/C,gBACPp1C,KAAK00C,cAAc1+C,KAAKo/C,eACxBp/C,KAAKo/C,cAAgB,MACd,I,EAQJT,cAAP,WACE,QAAI3+C,KAAKm/C,aACPn1C,KAAKy1C,aAAaz/C,KAAKm/C,YACvBn/C,KAAKm/C,WAAa,MACX,I,EAUJnJ,KAAP,WACEh2C,KAAKq/C,iBACuB,IAAxBr/C,KAAKq/C,iBACPr/C,KAAKk2C,SAGDl2C,KAAKq/C,eAAiB,IAExBr/C,KAAK2+C,gBACL3+C,KAAKm/C,WAAan1C,KAAK01C,WAAW1/C,KAAKk/C,WAAY,IAErDl/C,KAAKq/C,eAAiB,I,EAQhBnJ,OAAV,a,GA9FoCzb,K,uKCrBd1wB,OAAhB+oB,Y,IACJ6sB,GAEiBC,G,oBACnB,WAAallB,GAAK,aAChB,cAAMA,EACJrlB,IAAMhS,gBACNgS,IAAM3R,aACN2R,IAAMrR,qBACNqR,IAAMzQ,YACNyQ,IAAM9P,QALR,MAOKs6C,SAAU,EACf,EAAKC,kBAAoB,KACzB,EAAKC,kBAAoB,EACzB,EAAKC,MAAQ,KAEbL,GAAkB,iBAAiB7oC,KAAKJ,UAAUD,UAAUE,eAb5C,E,wHAgBlBokB,oBAAA,WACE/6B,KAAKigD,aACLjgD,KAAK+/C,kBAAoB,G,EAG3BE,WAAA,WACqB,OAAfjgD,KAAKggD,QACPP,aAAaz/C,KAAKggD,OAClBhgD,KAAKggD,MAAQ,O,EAIjB1K,UAAA,WACE,IAAIpU,EAASlhC,KAAKkgD,QAElBlgD,KAAK6/C,SAAU,EACf7/C,KAAKmgD,gBAAkB,EAGnBjf,GACFA,EAAO/+B,SAAQ,SAAA46B,GACbA,EAAMqjB,UAAY,EAClB,IAAMlY,EAAenL,EAAMxnB,QACvB2yB,GAAgBA,EAAahK,OAC/BnB,EAAMxnB,aAAU5G,MAKH,OAAf3O,KAAKggD,OACPhgD,KAAKqgD,a,EAIT7K,SAAA,WACEx1C,KAAK6/C,SAAU,G,EAGjBS,iBAAA,SAAkBj6C,GAChB,IAEIk6C,EAFArf,EAAS,GACT0G,EAAc,GAEd4Y,EAAW,GACXC,EAAe,KACfC,GAAkB,EAClBC,GAAkB,EAyDtB,GAtDAt6C,EAAK66B,OAAO/+B,SAAQ,SAAA46B,GAClB,IAAM6jB,EAAa7jB,EAAM6B,MACzB7B,EAAMqjB,UAAY,EAClBrjB,EAAM8jB,eAAgB,EAEtBH,EAAkBA,KAAqB3jB,EAAM1kB,WAC7CsoC,EAAkBA,KAAqB5jB,EAAM5mB,WAIzCwpC,IAAmB5iB,EAAM5mB,aAA0D,IAA5C4mB,EAAM5mB,WAAW9M,QAAQ,gBAClE0zB,EAAM5mB,gBAAaxH,IAGrB8xC,EAAeD,EAASzjB,EAAM4E,UAQ5B8e,EAAa33C,IAAIlB,KAAKm1B,EAAMj0B,MAL5Bi0B,EAAMj0B,IAAM,CAACi0B,EAAMj0B,KACnBi0B,EAAMD,MAAQ,EACd0jB,EAASzjB,EAAM4E,SAAW5E,EAC1BmE,EAAOt5B,KAAKm1B,IAKV6jB,IACEA,EAAWxkB,QACbukB,GAAkB,EAClB7Q,EAAW2Q,GAAgB1jB,EAAO,QAAS6jB,EAAWxkB,QAEpDwkB,EAAWE,WACbhR,EAAW2Q,GAAgB1jB,EAAO,OAAQ6jB,EAAWE,eAMvDJ,GAAmBC,IACrBzf,EAASA,EAAOlP,QAAO,sBAAG3Z,eAI5B6oB,EAASA,EAAOlP,QAAO,YAAgC,IAA7B7b,EAA6B,EAA7BA,WAAYkC,EAAiB,EAAjBA,WACpC,QAASlC,GAAc2pB,EAAsB3pB,EAAY,aAAekC,GAAcynB,EAAsBznB,EAAY,aAGtHhS,EAAKuhC,cACPA,EAAcvhC,EAAKuhC,YAAY5V,QAAO,SAAA9b,GAAK,OAAKA,EAAMC,YAAc2pB,EAAsB5pB,EAAMC,WAAY,aAEhGhU,SAAQ,SAAC+T,EAAOvN,GAC1BuN,EAAMuC,GAAK9P,KAIXu4B,EAAO36B,OAAS,EAAG,CAErBg6C,EAAerf,EAAO,GAAGS,QAEzBT,EAAO1R,MAAK,SAACC,EAAG1K,GAAJ,OAAU0K,EAAEkS,QAAU5c,EAAE4c,WACpC3hC,KAAKkgD,QAAUhf,EAEf,IAAK,IAAIj6B,EAAI,EAAGA,EAAIi6B,EAAO36B,OAAQU,IACjC,GAAIi6B,EAAOj6B,GAAG06B,UAAY4e,EAAc,CACtCvgD,KAAK+gD,YAAc95C,EACnB3E,IAAOrB,IAAP,mBAA8BigC,EAAO36B,OAArC,kCAA6Eg6C,GAC7E,MAKJvgD,KAAK06B,IAAItlB,QAAQC,IAAM/R,gBAAiB,CACtC49B,SACA0G,cACAoZ,WAAYhhD,KAAK+gD,YACjBxtB,MAAOltB,EAAKktB,MACZlU,MAAOshC,EACPvhC,MAAOshC,EACPrL,SAAUzN,EAAYqZ,MAAK,SAAA3vC,GAAC,QAAMA,EAAExI,cAGtC9I,KAAK06B,IAAItlB,QAAQC,IAAM9P,MAAO,CAC5BhE,KAAMsE,IAAWyP,YACjBC,QAASzP,IAAao7C,mCACtBzrC,OAAO,EACP3M,IAAK9I,KAAK06B,IAAI5xB,IACd4M,OAAQ,uD,EAuBdyrC,iBAAA,SAAkBC,GAChB,IAAMlgB,EAASlhC,KAAKkgD,QACdxlB,EAAM16B,KAAK06B,IAEjB,GAAI0mB,GAAY,GAAKA,EAAWlgB,EAAO36B,OAAQ,CAG7C,GADAvG,KAAKigD,aACDjgD,KAAK8/C,oBAAsBsB,EAAU,CACvC9+C,IAAOrB,IAAP,sBAAiCmgD,GACjCphD,KAAK8/C,kBAAoBsB,EACzB,IAAMC,EAAkBngB,EAAOkgB,GAC/BC,EAAgBtkB,MAAQqkB,EACxB1mB,EAAItlB,QAAQC,IAAM9R,gBAAiB89C,GAErC,IAAMtkB,EAAQmE,EAAOkgB,GACflZ,EAAenL,EAAMxnB,QAG3B,IAAK2yB,GAAgBA,EAAahK,KAAM,CAEtC,IAAIpB,EAAQC,EAAMD,MAClBpC,EAAItlB,QAAQC,IAAM5R,cAAe,CAAEqF,IAAKi0B,EAAMj0B,IAAIg0B,GAAQC,MAAOqkB,EAAU3oC,GAAIqkB,UAIjFpC,EAAItlB,QAAQC,IAAM9P,MAAO,CACvBhE,KAAMsE,IAAWy1B,YACjB/lB,QAASzP,IAAaw7C,mBACtBvkB,MAAOqkB,EACP3rC,OAAO,EACPC,OAAQ,uB,EA+CdqxB,QAAA,SAAS1gC,GACP,GAAIA,EAAKoP,MACHpP,EAAK9E,OAASsE,IAAW+iC,eAC3B5oC,KAAKigD,iBAFT,CAQA,IACIsB,EADAC,GAAa,EAAOX,GAAgB,EAIxC,OAAQx6C,EAAKkP,SACb,KAAKzP,IAAaokC,gBAClB,KAAKpkC,IAAaqkC,kBAClB,KAAKrkC,IAAa2kC,eAClB,KAAK3kC,IAAa4kC,iBAChB6W,EAAal7C,EAAKgd,KAAK0Z,MACvB8jB,GAAgB,EAChB,MACF,KAAK/6C,IAAamjC,iBAClB,KAAKnjC,IAAakjC,mBAChBuY,EAAal7C,EAAKmG,QAAQuwB,MAC1BykB,GAAa,EACb,MACF,KAAK17C,IAAawqB,kBAChBixB,EAAal7C,EAAK02B,MAClBykB,GAAa,OAII7yC,IAAf4yC,GACFvhD,KAAKyhD,aAAap7C,EAAMk7C,EAAYC,EAAYX,K,EAcpDY,aAAA,SAAcC,EAAYH,EAAYC,EAAYX,GAAe,IAI3Dc,EAAiB7D,EAAO1D,EAJmC,OACzDlmC,EAAWlU,KAAK06B,IAAhBxmB,OACS0tC,EAAiBF,EAA1BnsC,QACFwnB,EAAQ/8B,KAAKkgD,QAAQqB,GAMzB,GAHAxkB,EAAMqjB,YACNrjB,EAAM8jB,cAAgBA,EAElBW,EAAY,CACd,KAAKxhD,KAAKmgD,gBAAkB,GAAMjsC,EAAOsyB,sBAgBvC,OANAlkC,IAAOlB,MAAP,yCAAsDwgD,EAAtD,UACA5hD,KAAK8/C,kBAAoB,KAEzB9/C,KAAKigD,kBAELyB,EAAWjsC,OAAQ,GAbnBqoC,EAAQz1C,KAAK0S,IAAI1S,KAAK+e,IAAI,EAAGpnB,KAAKmgD,iBAAmBjsC,EAAOuyB,uBAAwBvyB,EAAOwyB,6BAE3F1mC,KAAKggD,MAAQN,YAAW,kBAAM,EAAKW,cAAavC,GAEhD4D,EAAW3D,YAAa,EACxB/9C,KAAKmgD,kBACL79C,IAAOpB,KAAP,qBAAiC0gD,EAAjC,cAA2D9D,EAA3D,+BAA+F99C,KAAKmgD,kBAcpGqB,GAAcX,MAChBc,EAAkB5kB,EAAMj0B,IAAIvC,QAEN,GAAKw2B,EAAMqjB,UAAYuB,GAC3C5kB,EAAMD,OAASC,EAAMD,MAAQ,GAAK6kB,EAClC5kB,EAAMxnB,aAAU5G,EAEhBrM,IAAOpB,KAAP,qBAAiC0gD,EAAjC,cAA2DL,EAA3D,mCAAwGxkB,EAAMD,SAM/E,IAA3B98B,KAAK+/C,kBAEP3F,EAA4B,IAAfmH,EAAoBvhD,KAAKkgD,QAAQ35C,OAAS,EAAIg7C,EAAa,EACxEj/C,IAAOpB,KAAP,qBAAiC0gD,EAAjC,eAA4DxH,GAC5Dp6C,KAAK06B,IAAImnB,cAAgB7hD,KAAK8/C,kBAAoB1F,GACzCyG,IAGTv+C,IAAOpB,KAAP,qBAAiC0gD,EAAjC,uBACA5hD,KAAK8/C,kBAAoB,Q,EAOjCpT,aAAA,YAAwB,IAARrpB,EAAQ,EAARA,KACd,QAAa1U,IAAT0U,GAAoC,SAAdA,EAAK9hB,KAAiB,CAC9C,IAAMw7B,EAAQ/8B,KAAKkgD,QAAQ78B,EAAK0Z,YAClBpuB,IAAVouB,IACFA,EAAM8jB,eAAgB,EACtB9jB,EAAMqjB,UAAY,EAClBpgD,KAAKmgD,gBAAkB,K,EAK7B7E,cAAA,SAAej1C,GAAM,WACX02B,EAAmB12B,EAAnB02B,MAAOxnB,EAAYlP,EAAZkP,QAEf,GAAIwnB,IAAU/8B,KAAK8/C,kBAAnB,CAIA,IAAMrE,EAAWz7C,KAAKkgD,QAAQnjB,GAO9B,GALK0e,EAASoF,gBACZpF,EAAS2E,UAAY,EACrBpgD,KAAKmgD,gBAAkB,GAGrB5qC,EAAQ2oB,KAAM,CAChB,IAAM4jB,ERzLL,SAAgCC,EAAiBjR,EAAakR,GACnE,IAAIF,EAAiB,KAAQhR,EAAYjN,sBAAwBiN,EAAYjN,sBAAwBiN,EAAYvS,gBAC3G0jB,EAAoBH,EAAiB,EAY3C,OAXIC,GAAmBjR,EAAY9S,QAAU+jB,EAAgB/jB,QAI3D8jB,EAAiBG,GAGfD,IACFF,EAAiBz5C,KAAKslB,IAAIs0B,EAAmBH,GAAkB/3C,OAAO+oB,YAAY/F,MAAQi1B,KAGrF35C,KAAKC,MAAMw5C,GQ2KSI,CAAsBzG,EAASlmC,QAASA,EAASlP,EAAKktB,MAAM4uB,UACnF7/C,IAAOrB,IAAP,4BAAuCoH,KAAKC,MAAMw5C,GAAlD,OACA9hD,KAAKggD,MAAQN,YAAW,kBAAM,EAAKW,cAAayB,QAEhD9hD,KAAKigD,e,EAIT7C,qBAAA,SAAsB/2C,GACpB,IAAM+7C,EAAepiD,KAAK06B,IAAIkN,YAAYvhC,EAAKoS,IAAI0pB,QAE7Cga,EAAen8C,KAAK06B,IAAIwG,OAAOlhC,KAAK8/C,mBAC1C,GAAK3D,GAIDA,EAAapM,cAAe,CAG9B,IAFA,IAAIjT,GAAS,EAEJ71B,EAAI,EAAGA,EAAIk1C,EAAapM,cAAcxpC,OAAQU,IACrD,GAAIk1C,EAAapM,cAAc9oC,KAAOm7C,EAAc,CAClDtlB,EAAQ71B,EACR,MAIA61B,IAAUqf,EAAarf,QACzBqf,EAAarf,MAAQA,EACrB98B,KAAKs1C,e,EAKX+K,UAAA,WAGE,GAFA/9C,IAAOtB,MAAM,qBAEkB,OAA3BhB,KAAK8/C,mBAA8B9/C,KAAK6/C,QAAS,CACnD,IAAMwC,EAAcriD,KAAKkgD,QAAQlgD,KAAK8/C,mBAEtC,GAA2B,iBAAhBuC,GACTA,EAAYv5C,IAAIvC,OAAS,EAAG,CAC5B,IAAMw2B,EAAQ/8B,KAAK8/C,kBACbrnC,EAAK4pC,EAAYvlB,MACjBh0B,EAAMu5C,EAAYv5C,IAAI2P,GAE5BnW,IAAOrB,IAAP,+BAA0C87B,EAA1C,gBAA+DtkB,GAK/DzY,KAAK06B,IAAItlB,QAAQC,IAAM5R,cAAe,CAAEqF,MAAKi0B,QAAOtkB,U,qCAtRxD,OAAOzY,KAAKkgD,U,4BAIZ,OAAOlgD,KAAK8/C,mB,aAGHsB,GACT,IAAIlgB,EAASlhC,KAAKkgD,QACdhf,IACFkgB,EAAW/4C,KAAK0S,IAAIqmC,EAAUlgB,EAAO36B,OAAS,GAC1CvG,KAAK8/C,oBAAsBsB,GAAalgB,EAAOkgB,GAAU7rC,SAC3DvV,KAAKmhD,iBAAiBC,M,kCAyC1B,OAAOphD,KAAK+/C,kB,aAGGqB,GACfphD,KAAK+/C,iBAAmBqB,OACCzyC,IAArB3O,KAAKsiD,cACPtiD,KAAKsiD,YAAclB,IAGH,IAAdA,IACFphD,KAAK+8B,MAAQqkB,K,iCAKf,OAAOphD,KAAK+gD,a,aAGEK,GACdphD,KAAK+gD,YAAcK,I,iCAMnB,QAAyBzyC,IAArB3O,KAAKsiD,YAA2B,CAClC,IAAIC,EAAmBviD,KAAK06B,IAAIxmB,OAAO0hC,WACvC,YAAyBjnC,IAArB4zC,EACKA,EAEAviD,KAAK+gD,YAGd,OAAO/gD,KAAKsiD,a,aAIAlB,GACdphD,KAAKsiD,YAAclB,I,oCAiMnB,OAA+B,IAA3BphD,KAAK+/C,iBACA//C,KAAK+/C,iBAEL//C,KAAK06B,IAAImnB,e,aAIDzH,GACjBp6C,KAAK+8B,MAAQqd,GACkB,IAA3Bp6C,KAAK+/C,mBACP//C,KAAK06B,IAAImnB,cAAgBzH,Q,gCAlcc3f,G,QCbtC,SAAS+nB,GAAmBtsC,EAAkBusC,GACnD,IAAI71C,EACJ,IACEA,EAAQ,IAAIyI,MAAM,YAClB,MAAOL,IAEPpI,EAAQ81C,SAASC,YAAY,UACvBC,UAAU,YAAY,GAAO,GAEpCh2C,EAAcsJ,MAAQA,EACvBusC,EAAQI,cAAcj2C,GAqBjB,SAASk2C,GAAeC,EAAyCtX,GAEtE,GAAIA,EAAOsX,EAAK,GAAGzvB,QACjB,OAAOyvB,EAAK,GAGd,GAAItX,EAAOsX,EAAKA,EAAKx8C,OAAS,GAAG+sB,QAC/B,OAAOyvB,EAAKA,EAAKx8C,OAAS,GAM5B,IAHA,IAAIy8C,EAAO,EACPC,EAAQF,EAAKx8C,OAAS,EAEnBy8C,GAAQC,GAAO,CACpB,IAAMC,EAAM76C,KAAKoW,OAAOwkC,EAAQD,GAAQ,GAExC,GAAIvX,EAAOsX,EAAKG,GAAK5vB,QACnB2vB,EAAQC,EAAM,MACT,MAAIzX,EAAOsX,EAAKG,GAAK5vB,SAI1B,OAAOyvB,EAAKG,GAHZF,EAAOE,EAAM,GAQjB,OAAQH,EAAKC,GAAM1vB,QAAUmY,EAASA,EAAOsX,EAAKE,GAAO3vB,QAAWyvB,EAAKC,GAAQD,EAAKE,G,ICyEzEE,G,oBAzHb,WAAazoB,GAAK,aAChB,cAAMA,EACJrlB,IAAM5S,eACN4S,IAAM3S,gBACN2S,IAAMrQ,sBACNqQ,IAAMxR,2BAJR,MAOKod,cAAWtS,EAChB,EAAKuzB,WAAQvzB,EATG,E,kHAYlBoF,QAAA,WACE0mB,EAAaj6B,UAAUuT,QAAQrT,KAAKV,O,EAItCy6C,gBAAA,SAAiBp0C,GACfrG,KAAKkiC,MAAQ77B,EAAK67B,MACbliC,KAAKkiC,O,EAKZ+Y,iBAAA,YDrBK,SAA2B/kC,GAChC,GAAIA,GAASA,EAAM6sC,KACjB,KAAO7sC,EAAM6sC,KAAKx8C,OAAS,GACzB2P,EAAMktC,UAAUltC,EAAM6sC,KAAK,ICmB7BM,CAAiBrjD,KAAKihB,UACtBjhB,KAAKihB,cAAWtS,EAChB3O,KAAKkiC,WAAQvzB,G,EAGf20C,YAAA,SAAaC,GACX,IAAK,IAAIt8C,EAAI,EAAGA,EAAIs8C,EAAWh9C,OAAQU,IAAK,CAC1C,IAAI4b,EAAY0gC,EAAWt8C,GAC3B,GAAuB,aAAnB4b,EAAU2gC,MAA2C,QAApB3gC,EAAU4gC,MAK7C,OAFAjB,GAAkB3/B,EAAW7iB,KAAKkiC,OAE3Brf,EAGX,OAAO7iB,KAAKkiC,MAAMwhB,aAAa,WAAY,Q,EAG7CC,wBAAA,YAAwC,IAAbpV,EAAa,EAAbA,UACzB,GAAKvuC,KAAKihB,UAAajhB,KAAKihB,SAAS8hC,MAAS/iD,KAAKihB,SAAS8hC,KAAKx8C,OAAjE,CAGA,IAAMq9C,EAAWd,GAAc9iD,KAAKihB,SAAS8hC,KAAMxU,GACnD,GAAKqV,EAKL,IADA,IAAIC,GAAa,EACVA,GAAY,CACjB,IAAMC,EAAM9jD,KAAKihB,SAAS8hC,KAAK,GAC/B,IAAK/iD,KAAKihB,SAAS8hC,KAAKx8C,QAAUu9C,EAAIrrC,KAAOmrC,EAASnrC,GAEpD,YADAorC,GAAa,GAGf7jD,KAAKihB,SAASmiC,UAAUU,M,EAI5BC,sBAAA,SAAuB19C,GACrB,IAAMsF,EAAWtF,EAAKgd,KAChBtL,EAAU1R,EAAK0R,QAGhB/X,KAAKihB,WACRjhB,KAAKihB,SAAWjhB,KAAKsjD,YAAYtjD,KAAKkiC,MAAMqhB,YAC5CvjD,KAAKihB,SAAS+iC,KAAO,UAQvB,IAFA,IAAIC,EAAMl6C,OAAOm6C,eAAiBn6C,OAAOo6C,QAAUp6C,OAAOq6C,aAEjDn9C,EAAI,EAAGA,EAAI8Q,EAAQxR,OAAQU,IAAK,CACvC,IAAMF,EAASZ,KAAIa,aAAa+Q,EAAQ9Q,GAAGZ,MAC3C,GAAIU,EAAQ,CACV,IAAMssB,EAAYtb,EAAQ9Q,GAAGoQ,IACzBic,EAAUrsB,EAAI8Q,EAAQxR,OAAS,EAAIwR,EAAQ9Q,EAAI,GAAGoQ,IAAM1L,EAASmiB,OAEjEuF,IAAcC,EAEhBA,GAAW,KACFD,EAAYC,IACrBhxB,IAAOpB,KAAK,4FACZoyB,EAAUD,EAAY,KAGxB,IAAK,IAAIzkB,EAAI,EAAGA,EAAI7H,EAAOR,OAAQqI,IAAK,CACtC,IAAM1H,EAAQH,EAAO6H,GAErB,IAAKzI,KAAIgB,iBAAiBD,GAAQ,CAChC,IAAM48C,EAAM,IAAIG,EAAI5wB,EAAWC,EAAS,IACxCwwB,EAAI1jD,MAAQ8G,EACZlH,KAAKihB,SAASojC,OAAOP,Q,EAO/BH,wBAAA,YAAwC,IAAbpV,EAAa,EAAbA,UACjBttB,EAAajhB,KAAbihB,SACR,GAAKA,GAAaA,EAAS8hC,MAAS9hC,EAAS8hC,KAAKx8C,OAAlD,CAGA,IAAMq9C,EAAWd,GAAc7hC,EAAS8hC,KAAMxU,GAC9C,GAAKqV,EAGL,KAAO3iC,EAAS8hC,KAAK,KAAOa,GAC1B3iC,EAASmiC,UAAUniC,EAAS8hC,KAAK,M,GArHNtoB,G,IC6BlB6pB,G,WA3Bb,WAAaC,GAAkB,KALvBC,YAKuB,OAJvBC,eAIuB,OAHvBC,kBAGuB,EAE7B1kD,KAAKwkD,OAASD,EAAWl8C,KAAKs8C,IAAIt8C,KAAKpH,IAAI,IAAOsjD,GAAY,EAC9DvkD,KAAKykD,UAAY,EACjBzkD,KAAK0kD,aAAe,E,2BAGtB1sC,OAAA,SAAQ4sC,EAAgBxkD,GACtB,IAAIykD,EAAWx8C,KAAK+e,IAAIpnB,KAAKwkD,OAAQI,GACrC5kD,KAAKykD,UAAYrkD,GAAS,EAAIykD,GAAYA,EAAW7kD,KAAKykD,UAC1DzkD,KAAK0kD,cAAgBE,G,EAGvBE,eAAA,WACE,OAAO9kD,KAAK0kD,c,EAGdK,YAAA,WACE,GAAI/kD,KAAKwkD,OAAQ,CACf,IAAIQ,EAAa,EAAI38C,KAAK+e,IAAIpnB,KAAKwkD,OAAQxkD,KAAK0kD,cAChD,OAAO1kD,KAAKykD,UAAYO,EAExB,OAAOhlD,KAAKykD,W,KC0BHQ,G,WAxCb,WAAavqB,EAAUwqB,EAAcC,EAAcC,GAAyB,KAT5E1qB,SAS4E,OAPpE2qB,sBAOoE,OANpEC,gBAMoE,OALpEC,iBAKoE,OAJpEC,WAIoE,OAHpEC,WAGoE,EAC1EzlD,KAAK06B,IAAMA,EACX16B,KAAKqlD,iBAAmBD,EACxBplD,KAAKslD,WAAa,KAClBtlD,KAAKulD,YAAc,GACnBvlD,KAAKwlD,MAAQ,IAAIlB,GAAKY,GACtBllD,KAAKylD,MAAQ,IAAInB,GAAKa,G,2BAGxBntC,OAAA,SAAQ0tC,EAAoBC,GAE1B,IAEEC,GAHFF,EAAar9C,KAAKslB,IAAI+3B,EAAY1lD,KAAKulD,cAGZ,IAEzBM,EAJY,EAAIF,EAIWC,EAC7B5lD,KAAKylD,MAAMztC,OAAO4tC,EAAWC,GAC7B7lD,KAAKwlD,MAAMxtC,OAAO4tC,EAAWC,I,EAG/BC,YAAA,WACE,IAAIX,EAAOnlD,KAAKylD,MAChB,OAAQN,GAAQA,EAAKL,kBAAoB9kD,KAAKslD,Y,EAGhDP,YAAA,WACE,OAAI/kD,KAAK8lD,cAKAz9C,KAAK0S,IAAI/a,KAAKylD,MAAMV,cAAe/kD,KAAKwlD,MAAMT,eAE9C/kD,KAAKqlD,kB,EAIhBtxC,QAAA,a,gLC5CM+e,GAAgB/oB,OAAhB+oB,YAgUOizB,G,oBA7Tb,WAAarrB,GAAK,aAChB,cAAMA,EAAKrlB,IAAM5Q,aACf4Q,IAAMzQ,YACNyQ,IAAMlQ,cACNkQ,IAAM9P,QAHR,MAIKygD,oBAAsB,EAC3B,EAAKC,gBAAkB,EACvB,EAAKvrB,IAAMA,EACX,EAAKslB,MAAQ,KACb,EAAKkG,aAAe,KACpB,EAAKC,QAAU,EAAKC,mBAAmB9lD,K,yHAAxB,KAVC,E,wHAalByT,QAAA,WACE/T,KAAKigD,aACLxlB,EAAaj6B,UAAUuT,QAAQrT,KAAKV,O,EAGtCupC,cAAA,SAAeljC,GACb,IAAMgd,EAAOhd,EAAKgd,KAClB,GAAkB,SAAdA,EAAK9hB,OACFvB,KAAKggD,QACRhgD,KAAKg5C,YAAc31B,EACnBrjB,KAAKggD,MAAQvK,YAAYz1C,KAAKmmD,QAAS,OAKpCnmD,KAAKkmD,cAAc,CACtB,IAKIG,EACAC,EANE5rB,EAAM16B,KAAK06B,IACXxmB,EAASwmB,EAAIxmB,OACb6oB,EAAQ1Z,EAAK0Z,MACJrC,EAAIwG,OAAOnE,GAAOxnB,QAAQ2oB,MAKvCmoB,EAAWnyC,EAAOqyC,gBAClBD,EAAWpyC,EAAOsyC,kBAElBH,EAAWnyC,EAAOuyC,eAClBH,EAAWpyC,EAAOwyC,gBAEpB1mD,KAAKkmD,aAAe,IAAIjB,GAAuBvqB,EAAK4rB,EAAUD,EAAUnyC,EAAOyyC,0B,EAKrFP,mBAAA,WAME,IAAM1rB,EAAM16B,KAAK06B,IACXtb,EAAQsb,EAAIwH,MACZ7e,EAAOrjB,KAAKg5C,YAElB,GAAK31B,EAAL,CAIA,IAAM4Z,EAAS5Z,EAAK4Z,OACd2pB,EAAelsB,EAAIksB,aAGzB,IAAK3pB,GAAWA,EAAO1J,OAAS0J,EAAO1J,MAAMszB,QAK3C,OAJAvkD,IAAOpB,KAAK,uDACZlB,KAAKigD,kBAELjgD,KAAKimD,gBAAkB,GAGzB,IAAI1yB,EAAQ0J,EAAO1J,MAGnB,GAAInU,GAASmU,KAAYnU,EAAMu0B,QAAkC,IAAvBv0B,EAAMy0B,eAAyBz0B,EAAM24B,aAAe10B,EAAK41B,WAAa51B,EAAK0Z,MAAO,CAC1H,IAAM+pB,EAAeh0B,GAAY/F,MAAQwG,EAAM4uB,SACzCtO,EAAexrC,KAAK0e,IAAI3H,EAAMy0B,cAGpC,GAAIiT,EAAgB,IAAMzjC,EAAK/K,SAAWu7B,EAAe,CACvD,IAAM3S,EAASxG,EAAIwG,OACb6lB,EAAW1+C,KAAKslB,IAAI,EAAG4F,EAAMyzB,GAAKzzB,EAAMyzB,GAAK,EAAmB,IAAfzzB,EAAMoW,OAAgBmd,GAGvE/pB,EAAQmE,EAAO7d,EAAK0Z,OACpB4Z,EAAe5Z,EAAMkqB,YAAc5+C,KAAKslB,IAAIoP,EAAMkqB,YAAalqB,EAAM4E,SAAW5E,EAAM4E,QACtFulB,EAAc3zB,EAAMmqB,MAAQnqB,EAAMmqB,MAAQr1C,KAAKslB,IAAI4F,EAAMoW,OAAQthC,KAAKC,MAAM+a,EAAK/K,SAAWq+B,EAAe,IAC3G3wB,EAAM5G,EAAMsvB,YACZyY,GAAmBD,EAAc3zB,EAAMoW,QAAUod,EACjDK,GAAyB3Z,EAAaE,WAAWvuB,EAAO4G,EAAK0U,EAAIxmB,OAAO6c,eAAetpB,IAAMue,GAAO6tB,EAK1G,GAAKuT,EAAyB,EAAI/jC,EAAK/K,SAAWu7B,GAAmBsT,EAAkBC,EAAwB,CAC7G,IACIvR,EAGJ,IAAKA,EAAgBxyB,EAAK0Z,MAAQ,EAAG8Y,EAAgB+Q,EAAc/Q,IAAiB,CAIlF,IAAMwR,EAAmBnmB,EAAO2U,GAAeoR,YAC3C5+C,KAAKslB,IAAIuT,EAAO2U,GAAeoR,YAAa/lB,EAAO2U,GAAelU,SAClET,EAAO2U,GAAelU,QAI1B,GAFiCte,EAAK/K,SAAW+uC,GAAoB,IAAUN,GAEhDK,EAE7B,WAhBAE,EAqB2BH,IAC7B7kD,IAAOpB,KAAP,gEAA4E20C,EAA5E,oBAA6GA,EAA7G,sBAA+IxyB,EAAK0Z,MAAQ,GAA5J,iCAtBEuqB,GAsB+MnW,QAAQ,GAAzN,IAA+NgW,EAAgBhW,QAAQ,GAAvP,IAA6PiW,EAAsBjW,QAAQ,IAE3RzW,EAAImb,cAAgBA,EAEpB71C,KAAKkmD,aAAaluC,OAAO8uC,EAAcvzB,EAAMoW,QAE7C1M,EAAOiJ,QAEPlmC,KAAKigD,aACLvlB,EAAItlB,QAAQC,IAAM1Q,4BAA6B,CAAE0e,KAAMA,EAAMkQ,MAAOA,U,EAO9EmZ,aAAA,SAAcrmC,GACZ,IAAMgd,EAAOhd,EAAKgd,KAClB,GAAkB,SAAdA,EAAK9hB,MAAmB,YAAgB8hB,EAAK2H,IAAK,CASpD,GAPAhrB,KAAKigD,aAELjgD,KAAKgmD,oBAAsB3iC,EAAK0Z,MAEhC/8B,KAAKimD,gBAAkB,EAGnBjmD,KAAK06B,IAAIxmB,OAAOqzC,sBAAuB,CACzC,IAAMxqB,EAAQ/8B,KAAK06B,IAAIwG,OAAO7d,EAAK0Z,OAC/ByqB,GAAezqB,EAAM4M,OAAS5M,EAAM4M,OAAOvkB,MAAQ,GAAK/e,EAAKktB,MAAMoW,OACnE8d,GAAkB1qB,EAAM4M,OAAS5M,EAAM4M,OAAOrxB,SAAW,GAAKjS,EAAKgd,KAAK/K,SAC5EykB,EAAM4M,OAAS,CAAEvkB,MAAOoiC,EAAalvC,SAAUmvC,GAC/C1qB,EAAMkqB,YAAc5+C,KAAKC,MAAM,EAAIk/C,EAAcC,GAGnD,GAAIphD,EAAKgd,KAAKspB,YAAa,CACzB,IAAIpZ,EAAQltB,EAAKktB,MACjBA,EAAM6U,QAAU7U,EAAM6oB,UAAY7oB,EAAMgU,MACxCvnC,KAAK6sC,eAAexmC,M,EAK1BwmC,eAAA,SAAgBxmC,GACd,IAAMktB,EAAQltB,EAAKktB,MACblQ,EAAOhd,EAAKgd,KAKlB,IAAsB,IAAlBkQ,EAAMszB,SAAkC,SAAdxjC,EAAK9hB,MAAmB,YAAgB8hB,EAAK2H,OAAU3H,EAAKspB,aAAepZ,EAAMgU,QAAUhU,EAAM6oB,WAAa,CAI1I,IAAIsL,EAA0Bn0B,EAAM6U,QAAU7U,EAAM4uB,SACpD7/C,IAAOrB,IAAP,uCAAkDoH,KAAKC,MAAMirB,EAAMoqB,OAASpqB,EAAM4uB,UAAlF,IAA+F95C,KAAKC,MAAMirB,EAAMgU,MAAQhU,EAAMoqB,QAA9H,IAAyIt1C,KAAKC,MAAMirB,EAAM6U,QAAU7U,EAAMgU,OAA1K,IAAoLl/B,KAAKC,MAAMirB,EAAM6oB,UAAY7oB,EAAM6U,SAAvN,IAAmO//B,KAAKC,MAAM,EAAIirB,EAAMoW,QAAUpW,EAAM6oB,UAAY7oB,EAAM4uB,YAC1RniD,KAAKkmD,aAAaluC,OAAO0vC,EAAyBn0B,EAAMoW,QACxDpW,EAAMo0B,WAAa3nD,KAAKkmD,aAAanB,cAEjC1hC,EAAKspB,YACP3sC,KAAK4nD,iBAAmBF,EAA0B,IAElD1nD,KAAK4nD,iBAAmB,I,EAK9B7gB,QAAA,SAAS1gC,GAEP,OAAQA,EAAKkP,SACb,KAAKzP,IAAaokC,gBAClB,KAAKpkC,IAAaqkC,kBAChBnqC,KAAKigD,e,EAOTA,WAAA,WACEvB,cAAc1+C,KAAKggD,OACnBhgD,KAAKggD,MAAQ,M,EAqEf6H,eAAA,SAAgB1L,EAAc2L,EAAqBC,EAAWnB,EAAcoB,EAAcC,EAAkBC,EAAUC,EAAYjnB,GAChI,IAAK,IAAIj6B,EAAI+gD,EAAc/gD,GAAK2/C,EAAc3/C,IAAK,CACjD,IAAIwvC,EAAYvV,EAAOj6B,GAEvB,GAAKwvC,EAAL,CAIA,IAAMvO,EAAeuO,EAAUlhC,QACzB6yC,EAAclgB,EAAeA,EAAa1J,cAAgB0J,EAAajK,UAAU13B,OAASuhD,EAC1F5pB,IAAOgK,GAAeA,EAAahK,KAErCmqB,OAAU,EAQZA,EADEphD,GAAKk1C,EACM+L,EAAWH,EAEXI,EAAaJ,EAG5B,IAAMpmB,EAAUT,EAAOj6B,GAAGggD,YAAc5+C,KAAKslB,IAAIuT,EAAOj6B,GAAGggD,YAAa/lB,EAAOj6B,GAAG06B,SAAWT,EAAOj6B,GAAG06B,QACjG2mB,EAAgB3mB,EAAUymB,EAAcC,EAI9C,GAFA/lD,IAAOvB,MAAP,wEAAqFkG,EAArF,IAA0FoB,KAAKC,MAAM+/C,GAArG,IAAoH1mB,EAApH,IAA+HymB,EAA/H,IAA8IH,EAA9I,IAAkKK,GAE9JD,EAAa1mB,KAIb2mB,GAAkBpqB,IAASl+B,KAAK4nD,kBAAqBU,EAAgBL,GAEvE,OAAOhhD,GAIX,OAAQ,G,4CAxGR,IAAMshD,EAAkBvoD,KAAKimD,eACvBuC,EAAcxoD,KAAKkmD,aAEzB,MAAyB,IAArBqC,GAA4BC,GAAgBA,EAAY1C,eAC1D,OAAOyC,EAIT,IAAIE,EAAmBzoD,KAAK0oD,kBAM5B,OAJyB,IAArBH,IACFE,EAAmBpgD,KAAK0S,IAAIwtC,EAAiBE,IAGxCA,G,aA6FUrO,GACjBp6C,KAAKimD,eAAiB7L,I,wCA3FtB,IAAI1f,EAAM16B,KAAK06B,IACPstB,EAA+CttB,EAA/CstB,aAAc9mB,EAAiCxG,EAAjCwG,OAAQhtB,EAAyBwmB,EAAzBxmB,OAAQ0yC,EAAiBlsB,EAAjBksB,aAChCxnC,EAAQsb,EAAIwH,MACZia,EAAen8C,KAAKgmD,oBACpB8B,EAAsB9nD,KAAKg5C,YAAch5C,KAAKg5C,YAAY1gC,SAAW,EACrE0N,EAAO5G,EAAQA,EAAMsvB,YAAc,EAInCmF,EAAiBz0B,GAAiC,IAAvBA,EAAMy0B,aAAuBxrC,KAAK0e,IAAI3H,EAAMy0B,cAAgB,EACvF8U,EAAQ3oD,KAAKkmD,aAAelmD,KAAKkmD,aAAanB,cAAgB7wC,EAAOyyC,uBAErES,GAAyB3Z,EAAaE,WAAWvuB,EAAO4G,EAAK9R,EAAO6c,eAAetpB,IAAMue,GAAO6tB,EAGlG+U,EAAY5oD,KAAK6nD,eAAe1L,EAAc2L,EAAqBa,EAAO/B,EAAcoB,EAAcZ,EAAuBlzC,EAAO20C,mBAAoB30C,EAAO40C,qBAAsB5nB,GACzL,GAAI0nB,GAAa,EACf,OAAOA,EAEPtmD,IAAOvB,MAAM,+FAGb,IAAIgoD,EAAqBjB,EAAsBz/C,KAAK0S,IAAI+sC,EAAqB5zC,EAAO60C,oBAAsB70C,EAAO60C,mBAC7Gb,EAAWh0C,EAAO20C,mBAClBV,EAAaj0C,EAAO40C,qBAExB,GAA8B,IAA1B1B,EAA6B,CAE/B,IAAIQ,EAAmB5nD,KAAK4nD,iBACxBA,IAOFmB,GADwBjB,EAAsBz/C,KAAK0S,IAAI+sC,EAAqB5zC,EAAO80C,iBAAmB90C,EAAO80C,iBACtEpB,EACvCtlD,IAAOvB,MAAP,qBAAkCsH,KAAKC,MAAM,IAAOs/C,GAApD,+CAAoHv/C,KAAKC,MAAM,IAAOygD,GAAtI,OAEAb,EAAWC,EAAa,GAI5B,OADAS,EAAY5oD,KAAK6nD,eAAe1L,EAAc2L,EAAqBa,EAAO/B,EAAcoB,EAAcZ,EAAwB2B,EAAoBb,EAAUC,EAAYjnB,GACjK74B,KAAKslB,IAAIi7B,EAAW,Q,gCA1QLnuB,GCa5B,IAAMsF,GAAc4O,IAotBLsa,G,oBA5pBb,WAAavuB,GAAU,aACrB,cAAMA,EACJruB,IAAO7J,gBACP6J,IAAO3J,gBACP2J,IAAO/I,gBACP+I,IAAOzJ,aACPyJ,IAAOtJ,iBACPsJ,IAAOxJ,cACPwJ,IAAOpJ,WACPoJ,IAAOnJ,gBACPmJ,IAAOzI,kBACPyI,IAAO1I,gBAVT,MApDMulD,YAA6B,KAmDd,EAjDfC,eAAgC,KAiDjB,EA/CfC,qBAA+B,GA+ChB,EA7CfC,MAAwB,KA6CT,EA3CfC,WAA4B,KA2Cb,EAxCfC,aAAuB,EAwCR,EArCfC,WAAqB,EAqCN,EAnCft1C,YAmCe,IAhChBu1C,0BAgCgB,IA7BhBC,0BAAoC,EA6BpB,EA1BfC,wBAAkC,EA0BnB,EAvBhBznB,MAAiC,KAuBjB,EApBhB0nB,YAAkC,KAoBlB,EAjBhBC,SAAsB,GAiBN,EAfhB/M,YAegB,IAZhBgN,WAAqB,EAYL,EAThBxN,SAAmB,EASH,EARhByN,YAAsB,EAQN,EAPhBC,mBAA6B,EAOb,EALhB9+B,OAAmB,GAKH,EAJhB++B,cAA0B,GAIV,EAHhBC,aAA8B,GAGd,EAFhBC,WAAuC,GAEvB,EAwJfC,mBAAqB,WAC3B9nD,IAAOrB,IAAI,uBACX,EAAKy5B,IAAItlB,QAAQ/I,IAAO5J,eAAgB,CAAEy/B,MAAO,EAAKA,QACtD,IAAI0nB,EAAc,EAAKA,YACnBA,GAEFA,EAAYna,oBAAoB,aAAc,EAAK2a,oBAErD,EAAKC,sBAhKgB,EAmKfC,oBAAsB,WAC5BhoD,IAAOrB,IAAI,wBApKU,EAuKfspD,oBAAsB,WAC5BjoD,IAAOrB,IAAI,uBAxKU,EA2KfupD,eAAiB,WAEvB,GAAI,EAAKf,sBAAwB,EAAKS,aAAa7qC,MAAO,CACxD,IAAIorC,EAAc,EAAKP,aAAa7qC,MAEpC/c,IAAOpB,KAAP,2CAAuDupD,EAAYC,gBAAnE,OAAyF,EAAKjB,sBAC9FgB,EAAYC,gBAAkB,EAAKjB,4BAC5B,EAAKA,qBAGV,EAAKF,aACP,EAAKoB,UAGH,EAAKnB,WACP,EAAKoB,WAGP,EAAKd,WAAY,EACjB,IAAIhN,EAAS,EAAKA,OAEdW,EAAU,EAAKoM,SAASh6B,QAAO,SAACg7B,EAASC,GAAV,OAAuBA,EAAQhO,SAAWA,EAAU+N,EAAU,EAAIA,IAAS,GAGxG/f,EAA4D,GAC5DigB,EAAQ,EAAKb,aACnB,IAAK,IAAIr3B,KAAck4B,EAAO,CAC5B,IAAMC,EAAKD,EAAMl4B,GACjB,IAAKm4B,EACH,MAAMlgD,MAAM,8DAA8D+nB,EAA/D,2DAEbiY,EAAWjY,GAAkCm4B,EAAG7f,SAGlD,EAAKzQ,IAAItlB,QAAQ/I,IAAOrJ,gBAAiB,CAAE85C,SAAQW,UAAS3S,eAEvD,EAAKye,aACR,EAAK0B,cAGP,EAAKC,6BAGW,IAAZzN,GACF,EAAK0N,uBAvNc,EA2NfC,iBAAmB,SAACx+C,GAC1BtK,IAAOlB,MAAM,sBAAuBwL,GAIpC,EAAK8tB,IAAItlB,QAAQ/I,IAAO9G,MAAO,CAAEhE,KAAMsE,IAAWyP,YAAaC,QAASzP,IAAaulD,uBAAwB51C,OAAO,KAnNpH,EAAKvB,OAASwmB,EAAIxmB,OAbG,E,kHAgBvBH,QAAA,WACE0mB,EAAaj6B,UAAUuT,QAAQrT,KAAKV,O,EAGtCsrD,kBAAA,SAAmBjlD,GACjB,IAAI9E,EAAO8E,EAAK9E,KACZyf,EAAahhB,KAAKkrB,OAAO7L,MAS7B,GAAa,UAAT9d,GAAoByf,GAAuC,eAAzBA,EAAWxI,UAA4B,CAC3E,IAAIiyC,EAAczqD,KAAKkqD,aAAa7qC,MACpC,IAAKorC,EACH,MAAM3/C,MAAM,8DAMd,GAHYzC,KAAK0e,IAAI0jC,EAAYC,gBAAkBrkD,EAAKsa,OAG5C,GAAK,CACf,IAAI4qC,EAAWd,EAAYc,SAE3B,IACEd,EAAYvkB,QACZ,MAAOlxB,GACP1S,IAAOpB,KAAK,+BAAiC8T,GAG1Cu2C,EAIHvrD,KAAKypD,qBAAuBpjD,EAAKsa,OAHjCre,IAAOpB,KAAK,2CAA6CupD,EAAYC,gBAAkB,OAASrkD,EAAKsa,OACrG8pC,EAAYC,gBAAkBrkD,EAAKsa,U,EAQ3Cu6B,iBAAA,SAAkB70C,GAKhBrG,KAAK0pD,0BAA4B1pD,KAAK2pD,wBAA0BtjD,EAAKgvC,SAAW,EAAI,EACpF/yC,IAAOrB,IAAOjB,KAAK0pD,0BAAnB,mC,EAGF8B,iBAAA,SAAkBnlD,GAChB,IAAI67B,EAAQliC,KAAKkiC,MAAQ77B,EAAK67B,MAC9B,GAAIA,GAASnC,GAAa,CAExB,IAAI0rB,EAAKzrD,KAAK4pD,YAAc,IAAI7pB,GAEhC0rB,EAAGvxB,iBAAiB,aAAcl6B,KAAKoqD,oBACvCqB,EAAGvxB,iBAAiB,cAAel6B,KAAKuqD,qBACxCkB,EAAGvxB,iBAAiB,cAAel6B,KAAKsqD,qBAExCpoB,EAAMpJ,IAAM/uB,OAAOuvB,IAAII,gBAAgB+xB,GAEvCzrD,KAAKspD,WAAapnB,EAAMpJ,M,EAI5BmiB,iBAAA,WACE34C,IAAOrB,IAAI,0BACX,IAAIwqD,EAAKzrD,KAAK4pD,YACd,GAAI6B,EAAI,CACN,GAAsB,SAAlBA,EAAG1T,WACL,IAKE0T,EAAGC,cACH,MAAO12C,GACP1S,IAAOpB,KAAP,oBAAgC8T,EAAIG,QAApC,8BAGJs2C,EAAGhc,oBAAoB,aAAczvC,KAAKoqD,oBAC1CqB,EAAGhc,oBAAoB,cAAezvC,KAAKuqD,qBAC3CkB,EAAGhc,oBAAoB,cAAezvC,KAAKsqD,qBAIvCtqD,KAAKkiC,QACHliC,KAAKspD,YACPv/C,OAAOuvB,IAAIkW,gBAAgBxvC,KAAKspD,YAK9BtpD,KAAKkiC,MAAMpJ,MAAQ94B,KAAKspD,YAC1BtpD,KAAKkiC,MAAMypB,gBAAgB,OAC3B3rD,KAAKkiC,MAAMoD,QAEXhjC,IAAOpB,KAAK,0DAIhBlB,KAAK4pD,YAAc,KACnB5pD,KAAKkiC,MAAQ,KACbliC,KAAKspD,WAAa,KAClBtpD,KAAK0pD,0BAA4B1pD,KAAK2pD,wBACtC3pD,KAAKiqD,cAAgB,GACrBjqD,KAAKkrB,OAAS,GACdlrB,KAAKkqD,aAAe,GACpBlqD,KAAKmqD,WAAa,GAClBnqD,KAAK6pD,SAAW,GAChB7pD,KAAKs8C,SAAW,EAGlBt8C,KAAK06B,IAAItlB,QAAQ/I,IAAO1J,iB,EAG1B0nD,mBAAA,WAAsB,IACdX,EAA6C1pD,KAA7C0pD,0BAA2BO,EAAkBjqD,KAAlBiqD,cAM3B2B,EAAqBrrD,OAAOquB,KAAKq7B,GAAe1jD,QACjDqlD,IAAuBlC,GAAqD,IAAvBkC,KAExD5rD,KAAK6rD,oBAAoB5B,GACzBjqD,KAAKiqD,cAAgB,GAErBjqD,KAAKirD,gB,EAgFTa,cAAA,WACE,IAAM5B,EAAelqD,KAAKkqD,aAC1B,IAAK,IAAI3oD,KAAQ2oD,EAAc,CAC7B,IAAMc,EAAKd,EAAa3oD,GACxB,IACMypD,IACEhrD,KAAK4pD,aACP5pD,KAAK4pD,YAAYmC,mBAAmBf,GAEtCA,EAAGvb,oBAAoB,YAAazvC,KAAKwqD,gBACzCQ,EAAGvb,oBAAoB,QAASzvC,KAAKorD,mBAEvC,MAAOp2C,KAGXhV,KAAKkqD,aAAe,GACpBlqD,KAAKmqD,WAAa,GAClBnqD,KAAK6pD,SAAW,GAChB7pD,KAAKs8C,SAAW,G,EAGlB0P,eAAA,SAAgB9gC,GAAkB,WAG5B3qB,OAAOquB,KAAK5uB,KAAKkqD,cAAc3jD,SAInChG,OAAOquB,KAAK1D,GAAQ/oB,SAAQ,SAAAw6C,GAC1B,EAAKsN,cAActN,GAAazxB,EAAOyxB,MAGzC38C,KAAK0pD,0BAA4BrhD,KAAKslB,IAAI3tB,KAAK0pD,0BAA4B,EAAG,GAC1E1pD,KAAK4pD,aAA+C,SAAhC5pD,KAAK4pD,YAAY7R,YACvC/3C,KAAKqqD,uB,EAITwB,oBAAA,SAAqB3gC,GAAkB,IAC7Bg/B,EAA8BlqD,KAA9BkqD,aAAcN,EAAgB5pD,KAAhB4pD,YACtB,IAAKA,EACH,MAAM9+C,MAAM,wDAGd,IAAK,IAAI6xC,KAAazxB,EACpB,IAAKg/B,EAAavN,GAAY,CAC5B,IAAIzmC,EAAQgV,EAAOyxB,GACnB,IAAKzmC,EACH,MAAMpL,MAAM,kCAAkC6xC,EAAnC,4BAGb,IAAI3lC,EAAQd,EAAM2mC,YAAc3mC,EAAMc,MAClCi1C,EAAc/1C,EAAMsC,UAAZ,WAAgCxB,EAC5C1U,IAAOrB,IAAP,yBAAoCgrD,EAApC,KACA,IACE,IAAIjB,EAAKd,EAAavN,GAAaiN,EAAYsC,gBAAgBD,GAC/DjB,EAAG9wB,iBAAiB,YAAal6B,KAAKwqD,gBACtCQ,EAAG9wB,iBAAiB,QAASl6B,KAAKorD,kBAClCprD,KAAKkrB,OAAOyxB,GAAa,CACvBj0C,OAAQsiD,EACRh0C,MAAOA,EACPyB,GAAIvC,EAAMuC,GACVD,UAAWtC,EAAMsC,UACjBqkC,WAAY3mC,EAAM2mC,YAEpB,MAAO7nC,GACP1S,IAAOlB,MAAP,0CAAuD4T,EAAIG,SAC3DnV,KAAK06B,IAAItlB,QAAQ/I,IAAO9G,MAAO,CAAEhE,KAAMsE,IAAWyP,YAAaC,QAASzP,IAAaqmD,uBAAwB12C,OAAO,EAAOT,IAAKA,EAAKi3C,SAAUA,KAIrJjsD,KAAK06B,IAAItlB,QAAQ/I,IAAOvJ,eAAgB,CAAEooB,OAAQlrB,KAAKkrB,U,EAGzDkhC,kBAAA,SAAmB/lD,GACZrG,KAAKupD,cACHvpD,KAAK6pD,SAGR7pD,KAAK6pD,SAASjiD,KAAKvB,GAFnBrG,KAAK6pD,SAAW,CAAExjD,GAKpBrG,KAAKirD,gB,EAMToB,YAAA,SAAahmD,GACX,IAAK,IAAM9E,KAAQvB,KAAKkqD,aACtB,IAAK7jD,EAAK9E,MAAQ8E,EAAK9E,OAASA,EAAM,CACpC,IAAMypD,EAAKhrD,KAAKkqD,aAAa3oD,GACzBypD,IAAOA,EAAGpX,QACZoX,EAAGpX,OAAQ,EACXtxC,IAAOrB,IAAOM,EAAd,0BAKNvB,KAAK4qD,Y,EAIPA,SAAA,WAAY,IACFV,EAA8BlqD,KAA9BkqD,aAAcN,EAAgB5pD,KAAhB4pD,YACtB,GAAKA,GAA0C,SAA3BA,EAAY7R,WAAhC,CAKA,IAAK,IAAIx2C,KAAQ2oD,EAAc,CAC7B,IAAMc,EAAKd,EAAa3oD,GACxB,GAAKypD,EAAL,CAEA,IAAKA,EAAGpX,MACN,OAGF,GAAIoX,EAAGO,SAEL,YADAvrD,KAAKwpD,WAAY,IAKrBlnD,IAAOrB,IAAI,+FAEX,IACE2oD,EAAY8B,cACZ,MAAOrpD,GACPC,IAAOpB,KAAK,qDAEdlB,KAAKwpD,WAAY,OAzBfxpD,KAAKwpD,WAAY,G,EA4BrB8C,iBAAA,SAAkBjmD,GACZA,EAAK9E,KACPvB,KAAKmqD,WAAWviD,KAAK,CAAE+Y,MAAOta,EAAKi0C,YAAa7yC,IAAKpB,EAAKk0C,UAAWh5C,KAAM8E,EAAK9E,QAEhFvB,KAAKmqD,WAAWviD,KAAK,CAAE+Y,MAAOta,EAAKi0C,YAAa7yC,IAAKpB,EAAKk0C,UAAWh5C,KAAM,UAC3EvB,KAAKmqD,WAAWviD,KAAK,CAAE+Y,MAAOta,EAAKi0C,YAAa7yC,IAAKpB,EAAKk0C,UAAWh5C,KAAM,WAI7EvB,KAAKgqD,mBAAqB,EAC1BhqD,KAAK2qD,W,EAGPQ,oBAAA,WAEE,GAAKnrD,KAAKqpD,MAAV,CAIA,IAAMkD,EAAuBvsD,KAAKkU,OAAOq4C,qBACzC,GAAKtmD,SAASsmD,MAAyBA,EAAuB,GAI9D,GAAKvsD,KAAKkiC,MAUV,IALA,IAAMwM,EAAc1uC,KAAKkiC,MAAMwM,YACzBwb,EAAelqD,KAAKkqD,aACpBsC,EAAcjsD,OAAOquB,KAAKs7B,GAC1BuC,EAA2B/d,EAAcrmC,KAAKslB,IAAI4+B,EAAsBvsD,KAAKopD,sBAE1EzgD,EAAQ6jD,EAAYjmD,OAAS,EAAGoC,GAAS,EAAGA,IAAS,CAC5D,IAAM+jD,EAAaF,EAAY7jD,GACzBqiD,EAAKd,EAAawC,GACxB,GAAI1B,EAAI,CACN,IAAM7f,EAAW6f,EAAG7f,SAEhBA,EAAS5kC,OAAS,GAAKkmD,EAA2BthB,EAASxqB,MAAM,IAI/D3gB,KAAK2sD,kBAAkBD,EAAY1B,EAAI,EAAGyB,IAC5CzsD,KAAK06B,IAAItlB,QAAQ/I,IAAOxI,yBAA0B,CAAE0qC,UAAWke,UApBrEnqD,IAAOlB,MAAM,wD,EA4BjBwrD,eAAA,YAA+J,IAA7Ir3C,EAA6I,EAA7IA,QACZA,EAAQ0oB,UAAU13B,OAAS,IAC7BvG,KAAKmpD,eAAiB5zC,EAAQipB,cAAgBjpB,EAAQ0oB,UAAU,GAAGtd,MACnE3gB,KAAKopD,qBAAuB7zC,EAAQsuB,uBAAyBtuB,EAAQgpB,gBAAkB,GACvFv+B,KAAKqpD,MAAQ9zC,EAAQ2oB,KACrBl+B,KAAKkrD,+B,EASTA,2BAAA,WAA8B,IAExB5yC,EADEpE,EAAWlU,KAAXkU,OAGN,GAA4B,OAAxBlU,KAAKmpD,gBACNnpD,KAAKkiC,OACLliC,KAAK4pD,aACL5pD,KAAKkqD,cACoB,IAA1BlqD,KAAKkiC,MAAM6V,YACqB,SAAhC/3C,KAAK4pD,YAAY7R,WALnB,CASA,IAAK,IAAIx2C,KAAQvB,KAAKkqD,aAAc,CAClC,IAAMc,EAAKhrD,KAAKkqD,aAAa3oD,GAC7B,GAAIypD,IAAsB,IAAhBA,EAAGO,SAEX,OAIJjzC,EAAWtY,KAAKkiC,MAAM5pB,SAEG,OAArBtY,KAAKkpD,cACPlpD,KAAKkpD,YAAclpD,KAAK4pD,YAAYtxC,WAGnB,IAAftY,KAAKqpD,QAAkD,IAAhCn1C,EAAO24C,sBAEhCvqD,IAAOrB,IAAI,4CACXjB,KAAKkpD,YAAclpD,KAAK4pD,YAAYtxC,SAAWoW,MACrC1uB,KAAKmpD,eAAiBnpD,KAAKkpD,aAAelpD,KAAKmpD,eAAiB7wC,IAAc,YAAgBA,MAKxGhW,IAAOrB,IAAP,qCAAgDjB,KAAKmpD,eAAehY,QAAQ,IAC5EnxC,KAAKkpD,YAAclpD,KAAK4pD,YAAYtxC,SAAWtY,KAAKmpD,kB,EAIxDwB,QAAA,WAEE,KAAO3qD,KAAKmqD,WAAW5jD,QAAQ,CAC7B,IAAIolC,EAAQ3rC,KAAKmqD,WAAW,GAE5B,IAAInqD,KAAK8sD,YAAYnhB,EAAMhrB,MAAOgrB,EAAMlkC,IAAKkkC,EAAMpqC,MAOjD,YAFAvB,KAAKupD,aAAc,GAHnBvpD,KAAKmqD,WAAWtjC,QAChB7mB,KAAKgqD,mBAAqB,EAO9B,GAA+B,IAA3BhqD,KAAKmqD,WAAW5jD,OAAc,CAEhCvG,KAAKupD,aAAc,EAGnB,IAAIjN,EAAW,EACX4N,EAAelqD,KAAKkqD,aACxB,IACE,IAAK,IAAI3oD,KAAQ2oD,EAAc,CAC7B,IAAMc,EAAKd,EAAa3oD,GACpBypD,IACF1O,GAAY0O,EAAG7f,SAAS5kC,SAG5B,MAAOnF,GAGPkB,IAAOlB,MAAM,+CAEfpB,KAAKs8C,SAAWA,EAChBt8C,KAAK06B,IAAItlB,QAAQ/I,IAAOlJ,kB,EAI5B8nD,YAAA,WAAe,IACP/2C,EAAwClU,KAAxCkU,OAAQwmB,EAAgC16B,KAAhC06B,IAAKmvB,EAA2B7pD,KAA3B6pD,SAAUK,EAAiBlqD,KAAjBkqD,aAC7B,GAAK3pD,OAAOquB,KAAKs7B,GAAc3jD,OAA/B,CAKA,IAAKvG,KAAKkiC,OAASliC,KAAKkiC,MAAM9gC,MAG5B,OAFApB,KAAK6pD,SAAW,QAChBvnD,IAAOlB,MAAM,4EAIf,IAAIpB,KAAK8pD,UAAT,CAKA,IAAMgB,EAAUjB,EAAShjC,QACzB,GAAKikC,EAIL,IACE,IAAME,EAAKd,EAAaY,EAAQvpD,MAChC,IAAKypD,EAKH,YADAhrD,KAAKwqD,iBAIP,GAAIQ,EAAGO,SAGL,YADA1B,EAAS9hB,QAAQ+iB,GAKnBE,EAAGpX,OAAQ,EAEX5zC,KAAK88C,OAASgO,EAAQhO,OACtBkO,EAAG+B,aAAajC,EAAQzkD,MACxBrG,KAAK+pD,YAAc,EACnB/pD,KAAKs8C,WACLt8C,KAAK8pD,WAAY,EACjB,MAAO90C,GAEP1S,IAAOlB,MAAP,uCAAoD4T,EAAIG,SACxD00C,EAAS9hB,QAAQ+iB,GACjB,IAAIl+C,EAAQ,CAAErL,KAAMsE,IAAWyP,YAAawnC,OAAQgO,EAAQhO,OAAQvnC,QAAS,GAAIE,OAAO,GACvE,KAAbT,EAAIg4C,MAGNhtD,KAAK6pD,SAAW,GAChBj9C,EAAM2I,QAAUzP,IAAak4C,oBAE7Bh+C,KAAK+pD,cACLn9C,EAAM2I,QAAUzP,IAAamnD,oBAIzBjtD,KAAK+pD,YAAc71C,EAAOg5C,sBAC5B5qD,IAAOrB,IAAP,QAAmBiT,EAAOg5C,oBAA1B,4CACAltD,KAAK6pD,SAAW,GAChBj9C,EAAM6I,OAAQ,IAGlBilB,EAAItlB,QAAQ/I,IAAO9G,MAAOqH,O,EAS9BkgD,YAAA,SAAaxS,EAAqBC,EAAmB4S,GACnD,IAAMjD,EAAelqD,KAAKkqD,aAE1B,IAAK3pD,OAAOquB,KAAKs7B,GAAc3jD,OAC7B,OAAO,EAGT,IAAImoC,EAAsB,OAO1B,GANI1uC,KAAKkiC,QACPwM,EAAc1uC,KAAKkiC,MAAMwM,YAAYyC,QAAQ,IAE/C7uC,IAAOrB,IAAP,8BAAyCytC,EAAzC,IAAwD4L,EAAxD,IAAuEC,GAGnEv6C,KAAKgqD,oBAAsBhqD,KAAKs8C,SAElC,OADAh6C,IAAOpB,KAAK,oCACL,EAGT,IAAM8pD,EAAKd,EAAaiD,GAExB,GAAInC,EAAI,CAEN,GADAA,EAAGpX,OAAQ,EACNoX,EAAGO,SAON,OADAjpD,IAAOpB,KAAK,0CACL,EANP,GAAIlB,KAAK2sD,kBAAkBQ,EAAQnC,EAAI1Q,EAAaC,GAElD,OADAv6C,KAAKgqD,sBACE,EAUb,OAFA1nD,IAAOrB,IAAI,mBAEJ,G,EAaT0rD,kBAAA,SAAmBprD,EAAcypD,EAA0B1Q,EAAqBC,GAC9E,IACE,IAAK,IAAItzC,EAAI,EAAGA,EAAI+jD,EAAG7f,SAAS5kC,OAAQU,IAAK,CAC3C,IAAImmD,EAAWpC,EAAG7f,SAASxqB,MAAM1Z,GAC7BomD,EAASrC,EAAG7f,SAAS1jC,IAAIR,GACzBqmD,EAAcjlD,KAAKslB,IAAIy/B,EAAU9S,GACjCiT,EAAYllD,KAAK0S,IAAIsyC,EAAQ9S,GAOjC,GAAIlyC,KAAK0S,IAAIwyC,EAAWF,GAAUC,EAAc,GAAK,CACnD,IAAI5e,EAAsB,OAO1B,OANI1uC,KAAKkiC,QACPwM,EAAc1uC,KAAKkiC,MAAMwM,YAAYppB,YAGvChjB,IAAOrB,IAAP,aAAwBM,EAAxB,KAAiC+rD,EAAjC,IAAgDC,EAAhD,UAAmEH,EAAnE,IAA+EC,EAA/E,UAA+F3e,GAC/Fsc,EAAGwC,OAAOF,EAAaC,IAChB,IAGX,MAAOnsD,GACPkB,IAAOpB,KAAK,2BAA4BE,GAG1C,OAAO,G,GA9sBoBq5B,G,2KC6JhBgzB,G,oBAnLb,WAAa/yB,GAAK,aAChB,cAAMA,EACJrlB,IAAM/P,uBACN+P,IAAM7S,gBACN6S,IAAM/R,gBACN+R,IAAMxS,cACNwS,IAAM3S,kBALR,MAOKgrD,iBAAmB1nD,OAAO6zC,kBAC/B,EAAKmH,WAAa,KAClB,EAAK9f,OAAS,GACd,EAAKgB,MAAQ,KACb,EAAKyrB,iBAAmB,GACxB,EAAK3N,MAAQ,KAbG,E,wHAgBlBjsC,QAAA,WACM/T,KAAK06B,IAAIxmB,OAAO05C,uBAClB5tD,KAAKkiC,MAAQ,KACbliC,KAAK6tD,gB,EAITC,sBAAA,SAAuBznD,GAEjBonD,EAAmBM,eAAe1nD,EAAK2nD,aAAchuD,KAAK2tD,mBAC5D3tD,KAAK2tD,iBAAiB/lD,KAAKvB,EAAK2nD,e,EAIpCxC,iBAAA,SAAkBnlD,GAChBrG,KAAKkiC,MAAQ77B,EAAK67B,iBAAiBn4B,OAAOkkD,iBAAmB5nD,EAAK67B,MAAQ,M,EAG5EgZ,iBAAA,SAAkB70C,GAChB,IAAMq0B,EAAM16B,KAAK06B,IACjB16B,KAAK2tD,iBAAmB,GACxB3tD,KAAKkhC,OAAS76B,EAAK66B,OACnBlhC,KAAKghD,WAAa36C,EAAK26C,WACnBtmB,EAAIxmB,OAAO05C,sBAAwBvnD,EAAK+Y,OAE1Cpf,KAAKkuD,gB,EAMTlC,eAAA,SAAgB3lD,GACFrG,KAAK06B,IACTxmB,OAAO05C,sBAAwBvnD,EAAK+Y,OAE1Cpf,KAAKkuD,gB,EAITC,gBAAA,SAAiB9nD,GACfrG,KAAKkhC,OAAS76B,EAAK66B,Q,EAGrB+Z,iBAAA,WACEj7C,KAAK6tD,e,EAGPO,iBAAA,WACE,GAAIpuD,KAAKkiC,MAAO,CACd,IAAImsB,EAAeruD,KAAKkhC,OAASlhC,KAAKkhC,OAAO36B,OAAS,EACtD,GAAI8nD,EAAc,CAChB,IAAM3zB,EAAM16B,KAAK06B,IACjBA,EAAIgzB,iBAAmB1tD,KAAKsuD,YAAYD,EAAe,GACnD3zB,EAAIgzB,iBAAmB1tD,KAAK0tD,kBAG9BhzB,EAAI6zB,iBAAiBvU,kBAEvBh6C,KAAK0tD,iBAAmBhzB,EAAIgzB,oB,EAQlCY,YAAA,SAAaE,GAAe,WAC1B,IAAKxuD,KAAKkhC,OACR,OAAQ,EAGV,IAAMutB,EAAczuD,KAAKkhC,OAAOlP,QAAO,SAAC+K,EAAOp0B,GAAR,OACrC8kD,EAAmBM,eAAeplD,EAAO,EAAKglD,mBAAqBhlD,GAAS6lD,KAG9E,OAAOf,EAAmBiB,uBAAuBD,EAAazuD,KAAK2uD,WAAY3uD,KAAK4uD,c,EAGtFV,aAAA,WACMluD,KAAKggD,QAIThgD,KAAK0tD,iBAAmB1nD,OAAO6zC,kBAC/B75C,KAAK06B,IAAIsmB,WAAahhD,KAAKsuD,YAAYtuD,KAAKghD,YAC5CtC,cAAc1+C,KAAKggD,OACnBhgD,KAAKggD,MAAQvK,YAAYz1C,KAAKouD,iBAAiB9tD,KAAKN,MAAO,KAC3DA,KAAKouD,qB,EAGPP,YAAA,WACE7tD,KAAK2tD,iBAAmB,GACxB3tD,KAAKghD,WAAa,KAClBhhD,KAAK0tD,iBAAmB1nD,OAAO6zC,kBAC3B75C,KAAKggD,QACPhgD,KAAKggD,MAAQtB,cAAc1+C,KAAKggD,OAChChgD,KAAKggD,MAAQ,O,EAgCV+N,eAAP,SAAuBhxB,EAAO4wB,GAC5B,YADmD,IAAvBA,MAAmB,KACH,IAArCA,EAAiBtkD,QAAQ0zB,I,EAG3B2xB,uBAAP,SAA+BxtB,EAAQ/jB,EAAOE,GAC5C,IAAK6jB,GAAWA,IAAWA,EAAO36B,OAChC,OAAQ,EAiBV,IAZA,IAA6Bk1C,EAAUrB,EAUnCyU,EAAgB3tB,EAAO36B,OAAS,EAE3BU,EAAI,EAAGA,EAAIi6B,EAAO36B,OAAQU,GAAK,EAAG,CACzC,IAAM81B,EAAQmE,EAAOj6B,GACrB,IAAK81B,EAAM5f,OAASA,GAAS4f,EAAM1f,QAAUA,KAdlBo+B,EAciD1e,IAdvCqd,EAc8ClZ,EAAOj6B,EAAI,KATvFw0C,EAASt+B,QAAUi9B,EAAUj9B,OAASs+B,EAASp+B,SAAW+8B,EAAU/8B,QASwB,CACjGwxC,EAAgB5nD,EAChB,OAIJ,OAAO4nD,G,gDAtCP,IAAI3xC,EAAa,EACjB,IACEA,EAAanT,OAAO+kD,iBACpB,MAAOzsD,IACT,OAAO6a,M,oCAxBP,IAAIC,EACE+kB,EAAQliC,KAAKkiC,MAKnB,OAJIA,IACF/kB,EAAQ+kB,EAAM/kB,OAAS+kB,EAAM6sB,aAAe7sB,EAAM8sB,YAClD7xC,GAASswC,EAAmBwB,oBAEvB9xC,I,kCAIP,IAAIE,EACE6kB,EAAQliC,KAAKkiC,MAKnB,OAJIA,IACF7kB,EAAS6kB,EAAM7kB,QAAU6kB,EAAMgtB,cAAgBhtB,EAAMitB,aACrD9xC,GAAUowC,EAAmBwB,oBAExB5xC,O,gCAtIsBod,G,ICJrB20B,GCKJt8B,GAAgB/oB,OAAhB+oB,YAuEOu8B,G,oBApEb,WAAa30B,GAAK,OAChB,YAAMA,EAAKrlB,IAAM7S,kBADD,K,kHAIlBuR,QAAA,WACM/T,KAAKggD,OACPtB,cAAc1+C,KAAKggD,OAGrBhgD,KAAKsvD,iCAAkC,G,EAGzC9D,iBAAA,SAAkBnlD,GAChB,IAAM6N,EAASlU,KAAK06B,IAAIxmB,OACpBA,EAAOq7C,oBAEoC,mBAD/BvvD,KAAKof,MAAQ/Y,EAAK67B,iBAAiBn4B,OAAOkkD,iBAAmB5nD,EAAK67B,MAAQ,MACvEstB,0BACfxvD,KAAKsvD,iCAAkC,GAGzC5Q,cAAc1+C,KAAKggD,OACnBhgD,KAAKggD,MAAQvK,YAAYz1C,KAAKyvD,iBAAiBnvD,KAAKN,MAAOkU,EAAOw7C,8B,EAItEC,SAAA,SAAUvwC,EAAOwwC,EAAeC,GAC9B,IAAInhB,EAAc5b,GAAY/F,MAC9B,GAAI6iC,EAAe,CACjB,GAAI5vD,KAAK8vD,SAAU,CACjB,IAAIC,EAAgBrhB,EAAc1uC,KAAK8vD,SACrCE,EAAiBH,EAAgB7vD,KAAKiwD,kBACtCC,EAAiBN,EAAgB5vD,KAAKmwD,kBACtCC,EAAa,IAAOJ,EAAiBD,EACrCr1B,EAAM16B,KAAK06B,IAEb,GADAA,EAAItlB,QAAQC,IAAMhQ,SAAU,CAAE2qD,eAAgBA,EAAgBE,eAAgBA,EAAgBG,mBAAoBR,IAC9GO,EAAa,GAEXJ,EAAiBt1B,EAAIxmB,OAAOo8C,8BAAgCJ,EAAgB,CAC9E,IAAI/T,EAAezhB,EAAIyhB,aACvB75C,IAAOpB,KAAK,mEAAqEi7C,GAC7EA,EAAe,KAAgC,IAA1BzhB,EAAIgzB,kBAA2BhzB,EAAIgzB,kBAAoBvR,KAC9EA,GAA8B,EAC9BzhB,EAAItlB,QAAQC,IAAM/P,uBAAwB,CAAEy3B,MAAOof,EAAc6R,aAActzB,EAAIyhB,eACnFzhB,EAAIgzB,iBAAmBvR,EACvBzhB,EAAI6zB,iBAAiBvU,oBAK7Bh6C,KAAK8vD,SAAWphB,EAChB1uC,KAAKiwD,kBAAoBJ,EACzB7vD,KAAKmwD,kBAAoBP,I,EAI7BH,iBAAA,WACE,IAAMrwC,EAAQpf,KAAKof,MACnB,GAAIA,EACF,GAAIpf,KAAKsvD,gCAAiC,CACxC,IAAIiB,EAAuBnxC,EAAMowC,0BACjCxvD,KAAK2vD,SAASvwC,EAAOmxC,EAAqBC,iBAAkBD,EAAqBE,yBAEjFzwD,KAAK2vD,SAASvwC,EAAOA,EAAMsxC,wBAAyBtxC,EAAMuxC,0B,GA/DtCl2B,G,GCJY1wB,OAAhC+oB,G,GAAAA,YAAa89B,G,GAAAA,eAgKNC,G,WA7Jb,WAAa38C,GACPA,GAAUA,EAAO48C,WACnB9wD,KAAK8wD,SAAW58C,EAAO48C,U,2BAI3B/8C,QAAA,WACE/T,KAAKkmC,QACLlmC,KAAKi9B,OAAS,M,EAGhBiJ,MAAA,WACE,IAAIjJ,EAASj9B,KAAKi9B,OACdA,GAAgC,IAAtBA,EAAO8a,aACnB/3C,KAAKuzB,MAAMszB,SAAU,EACrB5pB,EAAOiJ,SAGTn8B,OAAO01C,aAAaz/C,KAAK+wD,gBACzB/wD,KAAK+wD,eAAiB,KACtBhnD,OAAO01C,aAAaz/C,KAAKgxD,cACzBhxD,KAAKgxD,aAAe,M,EAGtB1rB,KAAA,SAAM94B,EAAS0H,EAAQ+8C,GACrBjxD,KAAKwM,QAAUA,EACfxM,KAAKkU,OAASA,EACdlU,KAAKixD,UAAYA,EACjBjxD,KAAKuzB,MAAQ,CAAE4uB,SAAUrvB,GAAY/F,MAAOmkC,MAAO,GACnDlxD,KAAK+lC,WAAa7xB,EAAO6xB,WACzB/lC,KAAKmxD,gB,EAGPA,aAAA,WACE,IAAIC,EAAK5kD,EAAUxM,KAAKwM,QACxB4kD,EAAMpxD,KAAKi9B,OAAS,IAAI2zB,GAExB,IAAIr9B,EAAQvzB,KAAKuzB,MACjBA,EAAMoqB,OAAS,EACfpqB,EAAMoW,OAAS,EACf,IAAMmnB,EAAW9wD,KAAK8wD,SAEtB,IACE,GAAIA,EACF,IACEA,EAASM,EAAK5kD,EAAQ1D,KACtB,MAAOzG,GAGP+uD,EAAIC,KAAK,MAAO7kD,EAAQ1D,KAAK,GAC7BgoD,EAASM,EAAK5kD,EAAQ1D,KAGrBsoD,EAAIrZ,YACPqZ,EAAIC,KAAK,MAAO7kD,EAAQ1D,KAAK,GAE/B,MAAOzG,GAGP,YADArC,KAAKixD,UAAUlqB,QAAQ,CAAEimB,KAAMoE,EAAIE,OAAQzoD,KAAMxG,EAAE8S,SAAW3I,EAAS4kD,GAIrE5kD,EAAQ+7B,UACV6oB,EAAIG,iBAAiB,QAAS,SAAW/kD,EAAQ87B,WAAa,KAAO97B,EAAQ+7B,SAAW,IAG1F6oB,EAAII,mBAAqBxxD,KAAKyxD,iBAAiBnxD,KAAKN,MACpDoxD,EAAIM,WAAa1xD,KAAKiqC,aAAa3pC,KAAKN,MACxCoxD,EAAI5rB,aAAeh5B,EAAQg5B,aAG3BxlC,KAAK+wD,eAAiBhnD,OAAO21C,WAAW1/C,KAAKknC,YAAY5mC,KAAKN,MAAOA,KAAKkU,OAAO4xB,SACjFsrB,EAAIO,Q,EAGNF,iBAAA,SAAkB7kD,GAChB,IAAIwkD,EAAMxkD,EAAMglD,cACd7Z,EAAaqZ,EAAIrZ,WACjBxkB,EAAQvzB,KAAKuzB,MACb/mB,EAAUxM,KAAKwM,QACf0H,EAASlU,KAAKkU,OAGhB,IAAIqf,EAAMszB,SAKN9O,GAAc,EAOhB,GALAhuC,OAAO01C,aAAaz/C,KAAK+wD,gBACJ,IAAjBx9B,EAAMoqB,SACRpqB,EAAMoqB,OAASt1C,KAAKslB,IAAImF,GAAY/F,MAAOwG,EAAM4uB,WAGhC,IAAfpK,EAAkB,CACpB,IAAIuZ,EAASF,EAAIE,OAEjB,GAAIA,GAAU,KAAOA,EAAS,IAAK,CAEjC,IAAIjrD,EAAMsD,EADV4pB,EAAMgU,MAAQl/B,KAAKslB,IAAI4F,EAAMoqB,OAAQ7qB,GAAY/F,OAI/CpjB,EAF2B,gBAAzB6C,EAAQg5B,cACVn/B,EAAO+qD,EAAIxsB,UACA38B,YAEX5B,EAAO+qD,EAAIS,cACAtrD,OAEbgtB,EAAMoW,OAASpW,EAAMmqB,MAAQ/zC,EAC7B,IAAIi7B,EAAW,CAAE97B,IAAKsoD,EAAIU,YAAazrD,KAAMA,GAC7CrG,KAAKixD,UAAUpqB,UAAUjC,EAAUrR,EAAO/mB,EAAS4kD,QAG/C79B,EAAM29B,OAASh9C,EAAO2xB,UACxBvjC,IAAOlB,MAASkwD,EAAhB,kBAAwC9kD,EAAQ1D,KAChD9I,KAAKixD,UAAUlqB,QAAQ,CAAEimB,KAAMsE,EAAQzoD,KAAMuoD,EAAIW,YAAcvlD,EAAS4kD,KAGxE9uD,IAAOpB,KAAQowD,EAAf,kBAAuC9kD,EAAQ1D,IAA/C,iBAAmE9I,KAAK+lC,WAAxE,OAEA/lC,KAAK+T,UAEL/T,KAAKgxD,aAAejnD,OAAO21C,WAAW1/C,KAAKmxD,aAAa7wD,KAAKN,MAAOA,KAAK+lC,YAEzE/lC,KAAK+lC,WAAa19B,KAAK0S,IAAI,EAAI/a,KAAK+lC,WAAY7xB,EAAO8xB,eACvDzS,EAAM29B,cAKVlxD,KAAK+wD,eAAiBhnD,OAAO21C,WAAW1/C,KAAKknC,YAAY5mC,KAAKN,MAAOkU,EAAO4xB,U,EAKlFoB,YAAA,WACE5kC,IAAOpB,KAAP,yBAAqClB,KAAKwM,QAAQ1D,KAClD9I,KAAKixD,UAAUhqB,UAAUjnC,KAAKuzB,MAAOvzB,KAAKwM,QAAS,O,EAGrDy9B,aAAA,SAAcr9B,GACZ,IAAIwkD,EAAMxkD,EAAMglD,cACdr+B,EAAQvzB,KAAKuzB,MAEfA,EAAMoW,OAAS/8B,EAAM+8B,OACjB/8B,EAAMolD,mBACRz+B,EAAMmqB,MAAQ9wC,EAAM8wC,OAGtB,IAAI1T,EAAahqC,KAAKixD,UAAUjnB,WAC5BA,GAEFA,EAAWzW,EAAOvzB,KAAKwM,QAAS,KAAM4kD,I,6IF9JhChC,K,8BAAAA,E,qCAAAA,Q,KGmKL,IAAM6C,G,uUAA8B,CAAH,CACtCjX,eAAe,EACfzF,eAAgB,EAChB+I,uBAAmB,EACnBt9C,OAAO,EACPuuD,mBAAmB,EACnB3B,sBAAsB,EACtBxW,wBAAyB,EACzBP,gBAAiB,GACjBD,cAAe,IACf7lB,cAAe,GAEfmhC,wBAAyB,GACzB3d,yBAA0B,EAC1BO,YAAa,GACbD,cAAe,EACfpG,uBAAwB,IACxBwQ,sBAAuB,EACvBrH,4BAA6BlpB,IAC7BswB,sBAAkB,EAClBrH,4BAAwB,EACxBkV,sBAAsB,EACtBN,qBAAsB79B,IACtBooB,mBAAoB,IACpB9H,cAAc,EACdv6B,mBAAmB,EACnB2xB,uBAAwB,IACxBD,wBAAyB,EACzBE,0BAA2B,IAC3BC,+BAAgC,KAChCsP,gBAAY,EACZrP,oBAAqB,IACrBC,qBAAsB,EACtBC,uBAAwB,IACxBC,4BAA6B,KAC7BoD,mBAAoB,IACpB+T,oBAAqB,EACrBrT,sBAAuB,IACvBT,2BAA4B,KAC5ByM,mBAAmB,EACnBkZ,2BAA4B,IAC5BY,8BAA+B,GAC/BpD,oBAAqB,EACrBjwB,OAAQ4zB,GAERpnB,aAAS,EACT1E,aAAS,EACT+rB,cAAU,EACVqB,qBAAiB,EAEjBC,cAAerM,GACfsM,iBAAkBpJ,GAClBqJ,mBAAoB7E,GACpB8E,cAAelD,GACfv+B,wBAAwB,EACxBmB,oBAAqB,EACrB9N,8BAA8B,EAC9BoiC,gBAAiB,EACjBC,gBAAiB,EACjBC,eAAgB,EAChBC,eAAgB,EAChBC,uBAAwB,IACxBkC,mBAAoB,IACpBC,qBAAsB,GACtBvB,uBAAuB,EACvBwB,mBAAoB,EACpBC,gBAAiB,EACjBwJ,eAAgB,EAChBC,YAAY,EACZC,wBAAoB,EACpBC,gCHlOsB,oBAAX5oD,QAA0BA,OAAO2M,WAAa3M,OAAO2M,UAAUk8C,4BACjE7oD,OAAO2M,UAAUk8C,4BAA4BtyD,KAAKyJ,OAAO2M,WAEzD,MG+OA,GAtF6B,CA0EtCm8C,8BAA2E,EAC3EC,6BAAyE,EACzEC,wBAA+D,EAC/DC,2BAAqE,EACrEC,0BAAmE,EACnEC,mBAAmD,I,qgBCxNhCC,G,oBA4EnB,WAAaC,GAAqC,eAArCA,MAAiC,KAC5C,sBA3EKl/C,YA0E2C,IAxE1Cm/C,uBAwE0C,IAvE1CjB,mBAuE0C,IAtE1CE,wBAsE0C,IArE1CgB,qBAqE0C,IApE1C/E,sBAoE0C,IAnE1CgF,wBAmE0C,IAlE1CN,0BAkE0C,IAjE1CH,6BAiE0C,IAhE1CI,mBAgE0C,IA/D1CM,oBA+D0C,IA9D1CtxB,MAAiC,KA8DS,EA7D1Cp5B,IAAqB,KAgE3B,IAAM2qD,EAAgBN,EAAIO,cAE1B,IAAKN,EAAWnU,uBAAyBmU,EAAWxb,+BAAiCwb,EAAWpU,kBAAoBoU,EAAWzb,wBAC7H,MAAM,IAAI7sC,MAAM,qIAIlB,EAAKoJ,O,uUAAL,IACKu/C,EACAL,GAZ2C,IAexCl/C,EAfwC,MAexCA,OAER,QAA2C,IAAvCA,EAAO0jC,6BAA0C1jC,EAAO0jC,6BAA+B1jC,EAAO+qC,sBAChG,MAAM,IAAIn0C,MAAM,2FAGlB,QAAsC,IAAlCoJ,EAAOyjC,8BAAkE,IAA5BzjC,EAAO8qC,kBAA+B9qC,EAAOyjC,wBAA0BzjC,EAAO8qC,kBAC7H,MAAM,IAAIl0C,MAAM,iFAGlB9I,YAAWkS,EAAOlT,OAElB,EAAKqyD,mBAAqB,EAO1B,IAAMjB,EAAgB,EAAKA,cAAgB,IAAIl+C,EAAOk+C,cAAX,OACrCC,EAAmB,IAAIn+C,EAAOm+C,iBAAX,OACnBC,EAAqB,EAAKA,mBAAqB,IAAIp+C,EAAOo+C,mBAAX,OAC/CC,EAAgB,IAAIr+C,EAAOq+C,cAAX,OAChBoB,EAAiB,IAAIxvB,EAAJ,OACjByvB,EAAiB,IAAIvqB,EAAJ,OACjBwqB,EAAY,IAAIzpB,EAAJ,OACZ0pB,EAAqB,IAAI3Q,GAAJ,OAOrBmQ,EAAkB,EAAKA,gBAAkB,IAAI1T,GAAJ,OAGzC7M,EAAkB,IAAInI,EAAJ,OAOpB2oB,EAAqB,CAACD,EAFD,EAAK/E,iBAAmB,IAAItZ,GAAJ,MAA2BlC,IAQxEghB,EAAa7/C,EAAO8+C,sBACpBe,GACFR,EAAmB3rD,KAAK,IAAImsD,EAAJ,MAAqBhhB,IAM/C,EAAKwgB,mBAAqBA,EAK1B,IAAMC,EAAiB,CACrBG,EACAC,EACAC,EACAzB,EACAC,EACAC,EACAC,EACAuB,EACA/gB,GAKF,GADAghB,EAAa7/C,EAAO++C,qBACJ,CACd,IAAMA,EAAuB,IAAIc,EAAJ,OAK7B,EAAKd,qBAAuBA,EAC5BO,EAAe5rD,KAAKqrD,GAItB,GADAc,EAAa7/C,EAAO4+C,wBACJ,CACd,IAAMA,EAA0B,IAAIiB,EAAJ,OAKhC,EAAKjB,wBAA0BA,EAC/BS,EAAmB3rD,KAAKkrD,GAI1B,GADAiB,EAAa7/C,EAAOg/C,cACJ,CACd,IAAMA,EAAgB,IAAIa,EAAJ,OAKtB,EAAKb,cAAgBA,EACrBM,EAAe5rD,KAAKsrD,GAxH0B,OA4HhDa,EAAa7/C,EAAO2+C,2BAElBU,EAAmB3rD,KAAK,IAAImsD,EAAJ,MAAqBhhB,KAE/CghB,EAAa7/C,EAAO6+C,qBAElBS,EAAe5rD,KAAK,IAAImsD,EAAJ,QAMtB,EAAKP,eAAiBA,EAxI0B,E,yFAjD3CQ,YAAP,WACE,OCvDG,WACL,IAAMpK,EAAcjb,IACpB,IAAKib,EACH,OAAO,EAET,IAAMM,EAAelgD,KAAKiqD,cAAiBjqD,KAAakqD,mBAClDl0B,EAAkB4pB,GACiB,mBAAhCA,EAAY5pB,iBACnB4pB,EAAY5pB,gBAAgB,6CAIxBm0B,GAAwBjK,GAC3BA,EAAa1pD,WACmC,mBAAxC0pD,EAAa1pD,UAAUusD,cACW,mBAAlC7C,EAAa1pD,UAAUgtD,OAClC,QAASxtB,KAAqBm0B,EDuCrBH,I,yEAOP,OAAOzxD,M,iCAOP,OAAOsD,M,mCAOP,OAAOC,M,oCAOP,OAAKqtD,EAAIM,cAIFN,EAAIM,cAHFxB,I,aASewB,GACxBN,EAAIM,cAAgBA,M,2BAuJtB1/C,QAAA,WACEzR,IAAOrB,IAAI,WACXjB,KAAKoV,QAAQ7S,IAAUiD,YACvBxF,KAAKo0D,cACLp0D,KAAKwzD,eAAe5lD,OAAO5N,KAAKuzD,oBAAoBpxD,SAAQ,SAAAkyD,GAC1DA,EAAUtgD,aAEZ/T,KAAK8I,IAAM,KACX9I,KAAK8O,qBACL9O,KAAKqzD,mBAAqB,G,EAO5BiB,YAAA,SAAapyB,GACX5/B,IAAOrB,IAAI,eACXjB,KAAKkiC,MAAQA,EACbliC,KAAKoV,QAAQ7S,IAAUC,gBAAiB,CAAE0/B,MAAOA,K,EAMnDkyB,YAAA,WACE9xD,IAAOrB,IAAI,eACXjB,KAAKoV,QAAQ7S,IAAUG,iBACvB1C,KAAKkiC,MAAQ,M,EAOfqyB,WAAA,SAAYzrD,GACVA,EAAMuB,mBAA4BN,OAAOyqD,SAASC,KAAM3rD,EAAK,CAAE6B,iBAAiB,IAChFrI,IAAOrB,IAAP,cAAyB6H,GACzB9I,KAAK8I,IAAMA,EAEX9I,KAAKoV,QAAQ7S,IAAUa,iBAAkB,CAAE0F,IAAKA,K,EAUlDwsC,UAAA,SAAWC,QAA4B,IAA5BA,OAAyB,GAClCjzC,IAAOrB,IAAP,aAAwBs0C,EAAxB,KACAv1C,KAAKuzD,mBAAmBpxD,SAAQ,SAAAuyD,GAC9BA,EAAWpf,UAAUC,O,EAOzBC,SAAA,WACElzC,IAAOrB,IAAI,YACXjB,KAAKuzD,mBAAmBpxD,SAAQ,SAAAuyD,GAC9BA,EAAWlf,e,EAOf6I,eAAA,WACE/7C,IAAOrB,IAAI,kBACXjB,KAAKuuD,iBAAiBlQ,kB,EASxBsW,kBAAA,WACEryD,IAAOrB,IAAI,qBACX,IAAIihC,EAAQliC,KAAKkiC,MACjBliC,KAAKo0D,cACDlyB,GACFliC,KAAKs0D,YAAYpyB,I,mCASnB,OAAOliC,KAAKszD,gBAAgBpyB,S,mCAQ5B,OAAOlhC,KAAKuuD,iBAAiBpS,c,aASbiF,GAChB9+C,IAAOrB,IAAP,oBAA+BmgD,GAC/BphD,KAAKqgD,UAAYe,EACjBphD,KAAKuuD,iBAAiB/U,yB,gCAQtB,OAAOx5C,KAAKuuD,iBAAiBnU,W,aAShBgH,GACb9+C,IAAOrB,IAAP,iBAA4BmgD,GAC5BphD,KAAKszD,gBAAgBsB,YAAcxT,EACnCphD,KAAKuuD,iBAAiBvU,oB,gCAQtB,OAAOh6C,KAAKszD,gBAAgBv2B,O,aASfqkB,GACb9+C,IAAOrB,IAAP,iBAA4BmgD,GAC5BphD,KAAKszD,gBAAgBsB,YAAcxT,I,oCAQnC,OAAOphD,KAAKszD,gBAAgBzd,e,aAQX9Y,GACjB/8B,KAAKszD,gBAAgBzd,cAAgB9Y,I,iCASrC,OAAO10B,KAAKslB,IAAI3tB,KAAKszD,gBAAgBtS,WAAYhhD,KAAK4mD,e,aAOxCxF,GACd9+C,IAAOrB,IAAP,kBAA6BmgD,GAC7BphD,KAAKszD,gBAAgBtS,WAAaI,I,iCAWlC,OAAOphD,KAAKszD,gBAAgB1d,Y,aAUdwL,GACd9+C,IAAOrB,IAAP,kBAA6BmgD,IAEX,IAAdA,IACFA,EAAW/4C,KAAKslB,IAAIyzB,EAAUphD,KAAK4mD,eAGrC5mD,KAAKszD,gBAAgB1d,WAAawL,I,yCAQVyT,GACxB,IAAMC,IAA4BD,EAE9BC,IAA4B90D,KAAKkU,OAAO05C,uBACtCkH,EACF90D,KAAKsyD,mBAAmBpE,gBAExBluD,KAAKsyD,mBAAmBzE,cACxB7tD,KAAK0tD,kBAAoB,EACzB1tD,KAAKuuD,iBAAiBvU,mBAGxBh6C,KAAKkU,OAAO05C,qBAAuBkH,K,uCASrC,OAAO90D,KAAKqzD,mB,aAgBQjS,GACpB9+C,IAAOrB,IAAP,wBAAmCmgD,GACnCphD,KAAKqzD,kBAAoBjS,I,wCAVzB,IAAMoH,EAAcxoD,KAAKoyD,cAAclM,aACvC,OAAOsC,EAAcA,EAAYzD,cAAgBgQ,M,uCAiBjD,OAA8C,IAAtC/0D,KAAKszD,gBAAgBsB,c,kCAQ7B,OAAO50D,KAAKszD,gBAAgBsB,c,mCAW5B,IAJ0B,IAClB1zB,EAAuClhC,KAAvCkhC,OAAkBsxB,EAAqBxyD,KAA/BkU,OAAUs+C,eACpB7oD,EAAMu3B,EAASA,EAAO36B,OAAS,EAE5BU,EAAI,EAAGA,EAAI0C,EAAK1C,IAAK,CAK5B,IAJyBi6B,EAAOj6B,GAAGggD,YAC/B5+C,KAAKslB,IAAIuT,EAAOj6B,GAAGggD,YAAa/lB,EAAOj6B,GAAG06B,SAC1CT,EAAOj6B,GAAG06B,SAES6wB,EACrB,OAAOvrD,EAIX,OAAO,I,mCAOmB,IAClBi6B,EAA6BlhC,KAA7BkhC,OAAQwsB,EAAqB1tD,KAArB0tD,iBAShB,OAN0B,IAAtBA,GAA2BxsB,GAAUA,EAAO36B,OAC/B26B,EAAO36B,OAAS,EAEhBmnD,I,oCAYjB,OAAOrlD,KAAK0S,IAAI1S,KAAKslB,IAAI3tB,KAAKoyD,cAAcvQ,cAAe7hD,KAAK4mD,cAAe5mD,KAAKgoD,e,aAWnE5N,GACjBp6C,KAAKoyD,cAAcvQ,cAAgBx5C,KAAKslB,IAAI3tB,KAAK4mD,aAAcxM,K,kCAQ/D,IAAM6Y,EAAuBjzD,KAAKizD,qBAClC,OAAOA,EAAuBA,EAAqBrrB,YAAc,K,iCAQjE,IAAMqrB,EAAuBjzD,KAAKizD,qBAClC,OAAOA,EAAuBA,EAAqBjyC,YAAc,G,aAOnDg0C,GACd,IAAM/B,EAAuBjzD,KAAKizD,qBAC9BA,IACFA,EAAqBjyC,WAAag0C,K,uCAQpC,OAAOh1D,KAAKuuD,iBAAiB1W,mB,qCAS7B,IAAMib,EAA0B9yD,KAAK8yD,wBACrC,OAAOA,EAA0BA,EAAwBmC,eAAiB,K,oCAQ1E,IAAMnC,EAA0B9yD,KAAK8yD,wBACrC,OAAOA,EAA0BA,EAAwBoC,eAAiB,G,aAOzDC,GACjB,IAAMrC,EAA0B9yD,KAAK8yD,wBACjCA,IACFA,EAAwBoC,cAAgBC,K,sCAQ1C,IAAMrC,EAA0B9yD,KAAK8yD,wBACrC,QAAOA,GAA0BA,EAAwBsC,iB,aAOtCh1D,GACnB,IAAM0yD,EAA0B9yD,KAAK8yD,wBACjCA,IACFA,EAAwBsC,gBAAkBh1D,O,GAjoBfyuC,GAAZskB,GACLM,mB","file":"hls.light.min.js","sourcesContent":["(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"Hls\"] = factory();\n\telse\n\t\troot[\"Hls\"] = factory();\n})(this, function() {\nreturn "," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId]) {\n \t\t\treturn installedModules[moduleId].exports;\n \t\t}\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\ti: moduleId,\n \t\t\tl: false,\n \t\t\texports: {}\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, { enumerable: true, get: getter });\n \t\t}\n \t};\n\n \t// define __esModule on exports\n \t__webpack_require__.r = function(exports) {\n \t\tif(typeof Symbol !== 'undefined' && Symbol.toStringTag) {\n \t\t\tObject.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });\n \t\t}\n \t\tObject.defineProperty(exports, '__esModule', { value: true });\n \t};\n\n \t// create a fake namespace object\n \t// mode & 1: value is a module id, require it\n \t// mode & 2: merge all properties of value into the ns\n \t// mode & 4: return value when already ns object\n \t// mode & 8|1: behave like require\n \t__webpack_require__.t = function(value, mode) {\n \t\tif(mode & 1) value = __webpack_require__(value);\n \t\tif(mode & 8) return value;\n \t\tif((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;\n \t\tvar ns = Object.create(null);\n \t\t__webpack_require__.r(ns);\n \t\tObject.defineProperty(ns, 'default', { enumerable: true, value: value });\n \t\tif(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));\n \t\treturn ns;\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"/dist/\";\n\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = 13);\n","import { getSelfScope } from './get-self-scope';\n\nfunction noop (...args) {}\n\nconst fakeLogger = {\n trace: noop,\n debug: noop,\n log: noop,\n warn: noop,\n info: noop,\n error: noop\n};\n\nlet exportedLogger = fakeLogger;\n\n// let lastCallTime;\n// function formatMsgWithTimeInfo(type, msg) {\n// const now = Date.now();\n// const diff = lastCallTime ? '+' + (now - lastCallTime) : '0';\n// lastCallTime = now;\n// msg = (new Date(now)).toISOString() + ' | [' + type + '] > ' + msg + ' ( ' + diff + ' ms )';\n// return msg;\n// }\n\nfunction formatMsg (type, msg) {\n msg = '[' + type + '] > ' + msg;\n return msg;\n}\n\nconst global = getSelfScope();\n\nfunction consolePrintFn (type) {\n const func = global.console[type];\n if (func) {\n return function (...args) {\n if (args[0]) {\n args[0] = formatMsg(type, args[0]);\n }\n\n func.apply(global.console, args);\n };\n }\n return noop;\n}\n\nfunction exportLoggerFunctions (debugConfig, ...functions) {\n functions.forEach(function (type) {\n exportedLogger[type] = debugConfig[type] ? debugConfig[type].bind(debugConfig) : consolePrintFn(type);\n });\n}\n\nexport const enableLogs = function (debugConfig) {\n // check that console is available\n if ((global.console && debugConfig === true) || typeof debugConfig === 'object') {\n exportLoggerFunctions(debugConfig,\n // Remove out from list here to hard-disable a log-level\n // 'trace',\n 'debug',\n 'log',\n 'info',\n 'warn',\n 'error'\n );\n // Some browsers don't allow to use bind on console object anyway\n // fallback to default if needed\n try {\n exportedLogger.log();\n } catch (e) {\n exportedLogger = fakeLogger;\n }\n } else {\n exportedLogger = fakeLogger;\n }\n};\n\nexport const logger = exportedLogger;\n","/**\n * @readonly\n * @enum {string}\n */\nconst HlsEvents = {\n // fired before MediaSource is attaching to media element - data: { media }\n MEDIA_ATTACHING: 'hlsMediaAttaching',\n // fired when MediaSource has been succesfully attached to media element - data: { }\n MEDIA_ATTACHED: 'hlsMediaAttached',\n // fired before detaching MediaSource from media element - data: { }\n MEDIA_DETACHING: 'hlsMediaDetaching',\n // fired when MediaSource has been detached from media element - data: { }\n MEDIA_DETACHED: 'hlsMediaDetached',\n // fired when we buffer is going to be reset - data: { }\n BUFFER_RESET: 'hlsBufferReset',\n // fired when we know about the codecs that we need buffers for to push into - data: {tracks : { container, codec, levelCodec, initSegment, metadata }}\n BUFFER_CODECS: 'hlsBufferCodecs',\n // fired when sourcebuffers have been created - data: { tracks : tracks }\n BUFFER_CREATED: 'hlsBufferCreated',\n // fired when we append a segment to the buffer - data: { segment: segment object }\n BUFFER_APPENDING: 'hlsBufferAppending',\n // fired when we are done with appending a media segment to the buffer - data : { parent : segment parent that triggered BUFFER_APPENDING, pending : nb of segments waiting for appending for this segment parent}\n BUFFER_APPENDED: 'hlsBufferAppended',\n // fired when the stream is finished and we want to notify the media buffer that there will be no more data - data: { }\n BUFFER_EOS: 'hlsBufferEos',\n // fired when the media buffer should be flushed - data { startOffset, endOffset }\n BUFFER_FLUSHING: 'hlsBufferFlushing',\n // fired when the media buffer has been flushed - data: { }\n BUFFER_FLUSHED: 'hlsBufferFlushed',\n // fired to signal that a manifest loading starts - data: { url : manifestURL}\n MANIFEST_LOADING: 'hlsManifestLoading',\n // fired after manifest has been loaded - data: { levels : [available quality levels], audioTracks : [ available audio tracks], url : manifestURL, stats : { trequest, tfirst, tload, mtime}}\n MANIFEST_LOADED: 'hlsManifestLoaded',\n // fired after manifest has been parsed - data: { levels : [available quality levels], firstLevel : index of first quality level appearing in Manifest}\n MANIFEST_PARSED: 'hlsManifestParsed',\n // fired when a level switch is requested - data: { level : id of new level }\n LEVEL_SWITCHING: 'hlsLevelSwitching',\n // fired when a level switch is effective - data: { level : id of new level }\n LEVEL_SWITCHED: 'hlsLevelSwitched',\n // fired when a level playlist loading starts - data: { url : level URL, level : id of level being loaded}\n LEVEL_LOADING: 'hlsLevelLoading',\n // fired when a level playlist loading finishes - data: { details : levelDetails object, level : id of loaded level, stats : { trequest, tfirst, tload, mtime} }\n LEVEL_LOADED: 'hlsLevelLoaded',\n // fired when a level's details have been updated based on previous details, after it has been loaded - data: { details : levelDetails object, level : id of updated level }\n LEVEL_UPDATED: 'hlsLevelUpdated',\n // fired when a level's PTS information has been updated after parsing a fragment - data: { details : levelDetails object, level : id of updated level, drift: PTS drift observed when parsing last fragment }\n LEVEL_PTS_UPDATED: 'hlsLevelPtsUpdated',\n // fired when the live back buffer is reached defined by the liveBackBufferLength config option - data : { bufferEnd: number }\n LIVE_BACK_BUFFER_REACHED: 'hlsLiveBackBufferReached',\n // fired to notify that audio track lists has been updated - data: { audioTracks : audioTracks }\n AUDIO_TRACKS_UPDATED: 'hlsAudioTracksUpdated',\n // fired when an audio track switching is requested - data: { id : audio track id }\n AUDIO_TRACK_SWITCHING: 'hlsAudioTrackSwitching',\n // fired when an audio track switch actually occurs - data: { id : audio track id }\n AUDIO_TRACK_SWITCHED: 'hlsAudioTrackSwitched',\n // fired when an audio track loading starts - data: { url : audio track URL, id : audio track id }\n AUDIO_TRACK_LOADING: 'hlsAudioTrackLoading',\n // fired when an audio track loading finishes - data: { details : levelDetails object, id : audio track id, stats : { trequest, tfirst, tload, mtime } }\n AUDIO_TRACK_LOADED: 'hlsAudioTrackLoaded',\n // fired to notify that subtitle track lists has been updated - data: { subtitleTracks : subtitleTracks }\n SUBTITLE_TRACKS_UPDATED: 'hlsSubtitleTracksUpdated',\n // fired when an subtitle track switch occurs - data: { id : subtitle track id }\n SUBTITLE_TRACK_SWITCH: 'hlsSubtitleTrackSwitch',\n // fired when a subtitle track loading starts - data: { url : subtitle track URL, id : subtitle track id }\n SUBTITLE_TRACK_LOADING: 'hlsSubtitleTrackLoading',\n // fired when a subtitle track loading finishes - data: { details : levelDetails object, id : subtitle track id, stats : { trequest, tfirst, tload, mtime } }\n SUBTITLE_TRACK_LOADED: 'hlsSubtitleTrackLoaded',\n // fired when a subtitle fragment has been processed - data: { success : boolean, frag : the processed frag }\n SUBTITLE_FRAG_PROCESSED: 'hlsSubtitleFragProcessed',\n // fired when the first timestamp is found - data: { id : demuxer id, initPTS: initPTS, frag : fragment object }\n INIT_PTS_FOUND: 'hlsInitPtsFound',\n // fired when a fragment loading starts - data: { frag : fragment object }\n FRAG_LOADING: 'hlsFragLoading',\n // fired when a fragment loading is progressing - data: { frag : fragment object, { trequest, tfirst, loaded } }\n FRAG_LOAD_PROGRESS: 'hlsFragLoadProgress',\n // Identifier for fragment load aborting for emergency switch down - data: { frag : fragment object }\n FRAG_LOAD_EMERGENCY_ABORTED: 'hlsFragLoadEmergencyAborted',\n // fired when a fragment loading is completed - data: { frag : fragment object, payload : fragment payload, stats : { trequest, tfirst, tload, length } }\n FRAG_LOADED: 'hlsFragLoaded',\n // fired when a fragment has finished decrypting - data: { id : demuxer id, frag: fragment object, payload : fragment payload, stats : { tstart, tdecrypt } }\n FRAG_DECRYPTED: 'hlsFragDecrypted',\n // fired when Init Segment has been extracted from fragment - data: { id : demuxer id, frag: fragment object, moov : moov MP4 box, codecs : codecs found while parsing fragment }\n FRAG_PARSING_INIT_SEGMENT: 'hlsFragParsingInitSegment',\n // fired when parsing sei text is completed - data: { id : demuxer id, frag: fragment object, samples : [ sei samples pes ] }\n FRAG_PARSING_USERDATA: 'hlsFragParsingUserdata',\n // fired when parsing id3 is completed - data: { id : demuxer id, frag: fragment object, samples : [ id3 samples pes ] }\n FRAG_PARSING_METADATA: 'hlsFragParsingMetadata',\n // fired when data have been extracted from fragment - data: { id : demuxer id, frag: fragment object, data1 : moof MP4 box or TS fragments, data2 : mdat MP4 box or null}\n FRAG_PARSING_DATA: 'hlsFragParsingData',\n // fired when fragment parsing is completed - data: { id : demuxer id, frag: fragment object }\n FRAG_PARSED: 'hlsFragParsed',\n // fired when fragment remuxed MP4 boxes have all been appended into SourceBuffer - data: { id : demuxer id, frag : fragment object, stats : { trequest, tfirst, tload, tparsed, tbuffered, length, bwEstimate } }\n FRAG_BUFFERED: 'hlsFragBuffered',\n // fired when fragment matching with current media position is changing - data : { id : demuxer id, frag : fragment object }\n FRAG_CHANGED: 'hlsFragChanged',\n // Identifier for a FPS drop event - data: { curentDropped, currentDecoded, totalDroppedFrames }\n FPS_DROP: 'hlsFpsDrop',\n // triggered when FPS drop triggers auto level capping - data: { level, droppedlevel }\n FPS_DROP_LEVEL_CAPPING: 'hlsFpsDropLevelCapping',\n // Identifier for an error event - data: { type : error type, details : error details, fatal : if true, hls.js cannot/will not try to recover, if false, hls.js will try to recover,other error specific data }\n ERROR: 'hlsError',\n // fired when hls.js instance starts destroying. Different from MEDIA_DETACHED as one could want to detach and reattach a media to the instance of hls.js to handle mid-rolls for example - data: { }\n DESTROYING: 'hlsDestroying',\n // fired when a decrypt key loading starts - data: { frag : fragment object }\n KEY_LOADING: 'hlsKeyLoading',\n // fired when a decrypt key loading is completed - data: { frag : fragment object, payload : key payload, stats : { trequest, tfirst, tload, length } }\n KEY_LOADED: 'hlsKeyLoaded',\n // fired upon stream controller state transitions - data: { previousState, nextState }\n STREAM_STATE_TRANSITION: 'hlsStreamStateTransition',\n // fired when the live back buffer is reached defined by the liveBackBufferLength config option - data : { bufferEnd: number }\n LIVE_BACK_BUFFER_REACHED: 'hlsLiveBackBufferReached',\n // fired when `seeked` event happens, not fired if current position is outside of the buffered range and config option `seekWithinTolerance` is true\n CAN_PLAY_AFTER_SEEK: 'hlsCanPlayAfterSeek',\n};\n\nexport default HlsEvents;\n","export enum ErrorTypes {\n // Identifier for a network error (loading error / timeout ...)\n NETWORK_ERROR = 'networkError',\n // Identifier for a media Error (video/parsing/mediasource error)\n MEDIA_ERROR = 'mediaError',\n // EME (encrypted media extensions) errors\n KEY_SYSTEM_ERROR = 'keySystemError',\n // Identifier for a mux Error (demuxing/remuxing)\n MUX_ERROR = 'muxError',\n // Identifier for all other errors\n OTHER_ERROR = 'otherError'\n}\n\n/**\n * @enum {ErrorDetails}\n * @typedef {string} ErrorDetail\n */\nexport enum ErrorDetails {\n KEY_SYSTEM_NO_KEYS = 'keySystemNoKeys',\n KEY_SYSTEM_NO_ACCESS = 'keySystemNoAccess',\n KEY_SYSTEM_NO_SESSION = 'keySystemNoSession',\n KEY_SYSTEM_LICENSE_REQUEST_FAILED = 'keySystemLicenseRequestFailed',\n KEY_SYSTEM_NO_INIT_DATA = 'keySystemNoInitData',\n // Identifier for a manifest load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n MANIFEST_LOAD_ERROR = 'manifestLoadError',\n // Identifier for a manifest load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n MANIFEST_LOAD_TIMEOUT = 'manifestLoadTimeOut',\n // Identifier for a manifest parsing error - data: { url : faulty URL, reason : error reason}\n MANIFEST_PARSING_ERROR = 'manifestParsingError',\n // Identifier for a manifest with only incompatible codecs error - data: { url : faulty URL, reason : error reason}\n MANIFEST_INCOMPATIBLE_CODECS_ERROR = 'manifestIncompatibleCodecsError',\n // Identifier for a level load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n LEVEL_LOAD_ERROR = 'levelLoadError',\n // Identifier for a level load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n LEVEL_LOAD_TIMEOUT = 'levelLoadTimeOut',\n // Identifier for a level switch error - data: { level : faulty level Id, event : error description}\n LEVEL_SWITCH_ERROR = 'levelSwitchError',\n // Identifier for an audio track load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n AUDIO_TRACK_LOAD_ERROR = 'audioTrackLoadError',\n // Identifier for an audio track load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n AUDIO_TRACK_LOAD_TIMEOUT = 'audioTrackLoadTimeOut',\n // Identifier for fragment load error - data: { frag : fragment object, response : { code: error code, text: error text }}\n FRAG_LOAD_ERROR = 'fragLoadError',\n // Identifier for fragment load timeout error - data: { frag : fragment object}\n FRAG_LOAD_TIMEOUT = 'fragLoadTimeOut',\n // Identifier for a fragment decryption error event - data: {id : demuxer Id,frag: fragment object, reason : parsing error description }\n FRAG_DECRYPT_ERROR = 'fragDecryptError',\n // Identifier for a fragment parsing error event - data: { id : demuxer Id, reason : parsing error description }\n // will be renamed DEMUX_PARSING_ERROR and switched to MUX_ERROR in the next major release\n FRAG_PARSING_ERROR = 'fragParsingError',\n // Identifier for a remux alloc error event - data: { id : demuxer Id, frag : fragment object, bytes : nb of bytes on which allocation failed , reason : error text }\n REMUX_ALLOC_ERROR = 'remuxAllocError',\n // Identifier for decrypt key load error - data: { frag : fragment object, response : { code: error code, text: error text }}\n KEY_LOAD_ERROR = 'keyLoadError',\n // Identifier for decrypt key load timeout error - data: { frag : fragment object}\n KEY_LOAD_TIMEOUT = 'keyLoadTimeOut',\n // Triggered when an exception occurs while adding a sourceBuffer to MediaSource - data : { err : exception , mimeType : mimeType }\n BUFFER_ADD_CODEC_ERROR = 'bufferAddCodecError',\n // Identifier for a buffer append error - data: append error description\n BUFFER_APPEND_ERROR = 'bufferAppendError',\n // Identifier for a buffer appending error event - data: appending error description\n BUFFER_APPENDING_ERROR = 'bufferAppendingError',\n // Identifier for a buffer stalled error event\n BUFFER_STALLED_ERROR = 'bufferStalledError',\n // Identifier for a buffer full event\n BUFFER_FULL_ERROR = 'bufferFullError',\n // Identifier for a buffer seek over hole event\n BUFFER_SEEK_OVER_HOLE = 'bufferSeekOverHole',\n // Identifier for a buffer nudge on stall (playback is stuck although currentTime is in a buffered area)\n BUFFER_NUDGE_ON_STALL = 'bufferNudgeOnStall',\n // Identifier for an internal exception happening inside hls.js while handling an event\n INTERNAL_EXCEPTION = 'internalException'\n}\n","export const isFiniteNumber = Number.isFinite || function (value) {\n return typeof value === 'number' && isFinite(value);\n};\n","import { getSelfScope } from '../utils/get-self-scope';\n\n/**\n * ID3 parser\n */\nclass ID3 {\n /**\n * Returns true if an ID3 header can be found at offset in data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {boolean} - True if an ID3 header is found\n */\n static isHeader (data, offset) {\n /*\n * http://id3.org/id3v2.3.0\n * [0] = 'I'\n * [1] = 'D'\n * [2] = '3'\n * [3,4] = {Version}\n * [5] = {Flags}\n * [6-9] = {ID3 Size}\n *\n * An ID3v2 tag can be detected with the following pattern:\n * $49 44 33 yy yy xx zz zz zz zz\n * Where yy is less than $FF, xx is the 'flags' byte and zz is less than $80\n */\n if (offset + 10 <= data.length) {\n // look for 'ID3' identifier\n if (data[offset] === 0x49 && data[offset + 1] === 0x44 && data[offset + 2] === 0x33) {\n // check version is within range\n if (data[offset + 3] < 0xFF && data[offset + 4] < 0xFF) {\n // check size is within range\n if (data[offset + 6] < 0x80 && data[offset + 7] < 0x80 && data[offset + 8] < 0x80 && data[offset + 9] < 0x80) {\n return true;\n }\n }\n }\n }\n\n return false;\n }\n\n /**\n * Returns true if an ID3 footer can be found at offset in data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {boolean} - True if an ID3 footer is found\n */\n static isFooter (data, offset) {\n /*\n * The footer is a copy of the header, but with a different identifier\n */\n if (offset + 10 <= data.length) {\n // look for '3DI' identifier\n if (data[offset] === 0x33 && data[offset + 1] === 0x44 && data[offset + 2] === 0x49) {\n // check version is within range\n if (data[offset + 3] < 0xFF && data[offset + 4] < 0xFF) {\n // check size is within range\n if (data[offset + 6] < 0x80 && data[offset + 7] < 0x80 && data[offset + 8] < 0x80 && data[offset + 9] < 0x80) {\n return true;\n }\n }\n }\n }\n\n return false;\n }\n\n /**\n * Returns any adjacent ID3 tags found in data starting at offset, as one block of data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {Uint8Array} - The block of data containing any ID3 tags found\n */\n static getID3Data (data, offset) {\n const front = offset;\n let length = 0;\n\n while (ID3.isHeader(data, offset)) {\n // ID3 header is 10 bytes\n length += 10;\n\n const size = ID3._readSize(data, offset + 6);\n length += size;\n\n if (ID3.isFooter(data, offset + 10)) {\n // ID3 footer is 10 bytes\n length += 10;\n }\n\n offset += length;\n }\n\n if (length > 0) {\n return data.subarray(front, front + length);\n }\n\n return undefined;\n }\n\n static _readSize (data, offset) {\n let size = 0;\n size = ((data[offset] & 0x7f) << 21);\n size |= ((data[offset + 1] & 0x7f) << 14);\n size |= ((data[offset + 2] & 0x7f) << 7);\n size |= (data[offset + 3] & 0x7f);\n return size;\n }\n\n /**\n * Searches for the Elementary Stream timestamp found in the ID3 data chunk\n * @param {Uint8Array} data - Block of data containing one or more ID3 tags\n * @return {number} - The timestamp\n */\n static getTimeStamp (data) {\n const frames = ID3.getID3Frames(data);\n for (let i = 0; i < frames.length; i++) {\n const frame = frames[i];\n if (ID3.isTimeStampFrame(frame)) {\n return ID3._readTimeStamp(frame);\n }\n }\n\n return undefined;\n }\n\n /**\n * Returns true if the ID3 frame is an Elementary Stream timestamp frame\n * @param {ID3 frame} frame\n */\n static isTimeStampFrame (frame) {\n return (frame && frame.key === 'PRIV' && frame.info === 'com.apple.streaming.transportStreamTimestamp');\n }\n\n static _getFrameData (data) {\n /*\n Frame ID $xx xx xx xx (four characters)\n Size $xx xx xx xx\n Flags $xx xx\n */\n const type = String.fromCharCode(data[0], data[1], data[2], data[3]);\n const size = ID3._readSize(data, 4);\n\n // skip frame id, size, and flags\n let offset = 10;\n\n return { type, size, data: data.subarray(offset, offset + size) };\n }\n\n /**\n * Returns an array of ID3 frames found in all the ID3 tags in the id3Data\n * @param {Uint8Array} id3Data - The ID3 data containing one or more ID3 tags\n * @return {ID3 frame[]} - Array of ID3 frame objects\n */\n static getID3Frames (id3Data) {\n let offset = 0;\n const frames = [];\n\n while (ID3.isHeader(id3Data, offset)) {\n const size = ID3._readSize(id3Data, offset + 6);\n // skip past ID3 header\n offset += 10;\n const end = offset + size;\n // loop through frames in the ID3 tag\n while (offset + 8 < end) {\n const frameData = ID3._getFrameData(id3Data.subarray(offset));\n const frame = ID3._decodeFrame(frameData);\n if (frame) {\n frames.push(frame);\n }\n\n // skip frame header and frame data\n offset += frameData.size + 10;\n }\n\n if (ID3.isFooter(id3Data, offset)) {\n offset += 10;\n }\n }\n\n return frames;\n }\n\n static _decodeFrame (frame) {\n if (frame.type === 'PRIV') {\n return ID3._decodePrivFrame(frame);\n } else if (frame.type[0] === 'T') {\n return ID3._decodeTextFrame(frame);\n } else if (frame.type[0] === 'W') {\n return ID3._decodeURLFrame(frame);\n }\n\n return undefined;\n }\n\n static _readTimeStamp (timeStampFrame) {\n if (timeStampFrame.data.byteLength === 8) {\n const data = new Uint8Array(timeStampFrame.data);\n // timestamp is 33 bit expressed as a big-endian eight-octet number,\n // with the upper 31 bits set to zero.\n const pts33Bit = data[3] & 0x1;\n let timestamp = (data[4] << 23) +\n (data[5] << 15) +\n (data[6] << 7) +\n data[7];\n timestamp /= 45;\n\n if (pts33Bit) {\n timestamp += 47721858.84;\n } // 2^32 / 90\n\n return Math.round(timestamp);\n }\n\n return undefined;\n }\n\n static _decodePrivFrame (frame) {\n /*\n Format: <text string>\\0<binary data>\n */\n if (frame.size < 2) {\n return undefined;\n }\n\n const owner = ID3._utf8ArrayToStr(frame.data, true);\n const privateData = new Uint8Array(frame.data.subarray(owner.length + 1));\n\n return { key: frame.type, info: owner, data: privateData.buffer };\n }\n\n static _decodeTextFrame (frame) {\n if (frame.size < 2) {\n return undefined;\n }\n\n if (frame.type === 'TXXX') {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Description}\\0{Value}\n */\n let index = 1;\n const description = ID3._utf8ArrayToStr(frame.data.subarray(index), true);\n\n index += description.length + 1;\n const value = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n return { key: frame.type, info: description, data: value };\n } else {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Value}\n */\n const text = ID3._utf8ArrayToStr(frame.data.subarray(1));\n return { key: frame.type, data: text };\n }\n }\n\n static _decodeURLFrame (frame) {\n if (frame.type === 'WXXX') {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Description}\\0{URL}\n */\n if (frame.size < 2) {\n return undefined;\n }\n\n let index = 1;\n const description = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n index += description.length + 1;\n const value = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n return { key: frame.type, info: description, data: value };\n } else {\n /*\n Format:\n [0-?] = {URL}\n */\n const url = ID3._utf8ArrayToStr(frame.data);\n return { key: frame.type, data: url };\n }\n }\n\n // http://stackoverflow.com/questions/8936984/uint8array-to-string-in-javascript/22373197\n // http://www.onicos.com/staff/iz/amuse/javascript/expert/utf.txt\n /* utf.js - UTF-8 <=> UTF-16 convertion\n *\n * Copyright (C) 1999 Masanao Izumo <iz@onicos.co.jp>\n * Version: 1.0\n * LastModified: Dec 25 1999\n * This library is free. You can redistribute it and/or modify it.\n */\n static _utf8ArrayToStr (array, exitOnNull = false) {\n const decoder = getTextDecoder();\n if (decoder) {\n const decoded = decoder.decode(array);\n\n if (exitOnNull) {\n // grab up to the first null\n const idx = decoded.indexOf('\\0');\n return idx !== -1 ? decoded.substring(0, idx) : decoded;\n }\n\n // remove any null characters\n return decoded.replace(/\\0/g, '');\n }\n\n const len = array.length;\n let c;\n let char2;\n let char3;\n let out = '';\n let i = 0;\n while (i < len) {\n c = array[i++];\n if (c === 0x00 && exitOnNull) {\n return out;\n } else if (c === 0x00 || c === 0x03) {\n // If the character is 3 (END_OF_TEXT) or 0 (NULL) then skip it\n continue;\n }\n switch (c >> 4) {\n case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:\n // 0xxxxxxx\n out += String.fromCharCode(c);\n break;\n case 12: case 13:\n // 110x xxxx 10xx xxxx\n char2 = array[i++];\n out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F));\n break;\n case 14:\n // 1110 xxxx 10xx xxxx 10xx xxxx\n char2 = array[i++];\n char3 = array[i++];\n out += String.fromCharCode(((c & 0x0F) << 12) |\n ((char2 & 0x3F) << 6) |\n ((char3 & 0x3F) << 0));\n break;\n default:\n }\n }\n return out;\n }\n}\n\nlet decoder;\n\nfunction getTextDecoder () {\n const global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n if (!decoder && typeof global.TextDecoder !== 'undefined') {\n decoder = new global.TextDecoder('utf-8');\n }\n\n return decoder;\n}\n\nconst utf8ArrayToStr = ID3._utf8ArrayToStr;\n\nexport default ID3;\n\nexport { utf8ArrayToStr };\n","export function getSelfScope () {\n // see https://stackoverflow.com/a/11237259/589493\n if (typeof window === 'undefined') {\n /* eslint-disable-next-line no-undef */\n return self;\n } else {\n return window;\n }\n}\n","// This file is inserted as a shim for modules which we do not want to include into the distro.\n// This replacement is done in the \"resolve\" section of the webpack config.\nmodule.exports = void 0;\n","// see https://tools.ietf.org/html/rfc1808\n\n/* jshint ignore:start */\n(function(root) { \n/* jshint ignore:end */\n\n var URL_REGEX = /^((?:[a-zA-Z0-9+\\-.]+:)?)(\\/\\/[^\\/?#]*)?((?:[^\\/\\?#]*\\/)*.*?)??(;.*?)?(\\?.*?)?(#.*?)?$/;\n var FIRST_SEGMENT_REGEX = /^([^\\/?#]*)(.*)$/;\n var SLASH_DOT_REGEX = /(?:\\/|^)\\.(?=\\/)/g;\n var SLASH_DOT_DOT_REGEX = /(?:\\/|^)\\.\\.\\/(?!\\.\\.\\/).*?(?=\\/)/g;\n\n var URLToolkit = { // jshint ignore:line\n // If opts.alwaysNormalize is true then the path will always be normalized even when it starts with / or //\n // E.g\n // With opts.alwaysNormalize = false (default, spec compliant)\n // http://a.com/b/cd + /e/f/../g => http://a.com/e/f/../g\n // With opts.alwaysNormalize = true (not spec compliant)\n // http://a.com/b/cd + /e/f/../g => http://a.com/e/g\n buildAbsoluteURL: function(baseURL, relativeURL, opts) {\n opts = opts || {};\n // remove any remaining space and CRLF\n baseURL = baseURL.trim();\n relativeURL = relativeURL.trim();\n if (!relativeURL) {\n // 2a) If the embedded URL is entirely empty, it inherits the\n // entire base URL (i.e., is set equal to the base URL)\n // and we are done.\n if (!opts.alwaysNormalize) {\n return baseURL;\n }\n var basePartsForNormalise = URLToolkit.parseURL(baseURL);\n if (!basePartsForNormalise) {\n throw new Error('Error trying to parse base URL.');\n }\n basePartsForNormalise.path = URLToolkit.normalizePath(basePartsForNormalise.path);\n return URLToolkit.buildURLFromParts(basePartsForNormalise);\n }\n var relativeParts = URLToolkit.parseURL(relativeURL);\n if (!relativeParts) {\n throw new Error('Error trying to parse relative URL.');\n }\n if (relativeParts.scheme) {\n // 2b) If the embedded URL starts with a scheme name, it is\n // interpreted as an absolute URL and we are done.\n if (!opts.alwaysNormalize) {\n return relativeURL;\n }\n relativeParts.path = URLToolkit.normalizePath(relativeParts.path);\n return URLToolkit.buildURLFromParts(relativeParts);\n }\n var baseParts = URLToolkit.parseURL(baseURL);\n if (!baseParts) {\n throw new Error('Error trying to parse base URL.');\n }\n if (!baseParts.netLoc && baseParts.path && baseParts.path[0] !== '/') {\n // If netLoc missing and path doesn't start with '/', assume everthing before the first '/' is the netLoc\n // This causes 'example.com/a' to be handled as '//example.com/a' instead of '/example.com/a'\n var pathParts = FIRST_SEGMENT_REGEX.exec(baseParts.path);\n baseParts.netLoc = pathParts[1];\n baseParts.path = pathParts[2];\n }\n if (baseParts.netLoc && !baseParts.path) {\n baseParts.path = '/';\n }\n var builtParts = {\n // 2c) Otherwise, the embedded URL inherits the scheme of\n // the base URL.\n scheme: baseParts.scheme,\n netLoc: relativeParts.netLoc,\n path: null,\n params: relativeParts.params,\n query: relativeParts.query,\n fragment: relativeParts.fragment\n };\n if (!relativeParts.netLoc) {\n // 3) If the embedded URL's <net_loc> is non-empty, we skip to\n // Step 7. Otherwise, the embedded URL inherits the <net_loc>\n // (if any) of the base URL.\n builtParts.netLoc = baseParts.netLoc;\n // 4) If the embedded URL path is preceded by a slash \"/\", the\n // path is not relative and we skip to Step 7.\n if (relativeParts.path[0] !== '/') {\n if (!relativeParts.path) {\n // 5) If the embedded URL path is empty (and not preceded by a\n // slash), then the embedded URL inherits the base URL path\n builtParts.path = baseParts.path;\n // 5a) if the embedded URL's <params> is non-empty, we skip to\n // step 7; otherwise, it inherits the <params> of the base\n // URL (if any) and\n if (!relativeParts.params) {\n builtParts.params = baseParts.params;\n // 5b) if the embedded URL's <query> is non-empty, we skip to\n // step 7; otherwise, it inherits the <query> of the base\n // URL (if any) and we skip to step 7.\n if (!relativeParts.query) {\n builtParts.query = baseParts.query;\n }\n }\n } else {\n // 6) The last segment of the base URL's path (anything\n // following the rightmost slash \"/\", or the entire path if no\n // slash is present) is removed and the embedded URL's path is\n // appended in its place.\n var baseURLPath = baseParts.path;\n var newPath = baseURLPath.substring(0, baseURLPath.lastIndexOf('/') + 1) + relativeParts.path;\n builtParts.path = URLToolkit.normalizePath(newPath);\n }\n }\n }\n if (builtParts.path === null) {\n builtParts.path = opts.alwaysNormalize ? URLToolkit.normalizePath(relativeParts.path) : relativeParts.path;\n }\n return URLToolkit.buildURLFromParts(builtParts);\n },\n parseURL: function(url) {\n var parts = URL_REGEX.exec(url);\n if (!parts) {\n return null;\n }\n return {\n scheme: parts[1] || '',\n netLoc: parts[2] || '',\n path: parts[3] || '',\n params: parts[4] || '',\n query: parts[5] || '',\n fragment: parts[6] || ''\n };\n },\n normalizePath: function(path) {\n // The following operations are\n // then applied, in order, to the new path:\n // 6a) All occurrences of \"./\", where \".\" is a complete path\n // segment, are removed.\n // 6b) If the path ends with \".\" as a complete path segment,\n // that \".\" is removed.\n path = path.split('').reverse().join('').replace(SLASH_DOT_REGEX, '');\n // 6c) All occurrences of \"<segment>/../\", where <segment> is a\n // complete path segment not equal to \"..\", are removed.\n // Removal of these path segments is performed iteratively,\n // removing the leftmost matching pattern on each iteration,\n // until no matching pattern remains.\n // 6d) If the path ends with \"<segment>/..\", where <segment> is a\n // complete path segment not equal to \"..\", that\n // \"<segment>/..\" is removed.\n while (path.length !== (path = path.replace(SLASH_DOT_DOT_REGEX, '')).length) {} // jshint ignore:line\n return path.split('').reverse().join('');\n },\n buildURLFromParts: function(parts) {\n return parts.scheme + parts.netLoc + parts.path + parts.params + parts.query + parts.fragment;\n }\n };\n\n/* jshint ignore:start */\n if(typeof exports === 'object' && typeof module === 'object')\n module.exports = URLToolkit;\n else if(typeof define === 'function' && define.amd)\n define([], function() { return URLToolkit; });\n else if(typeof exports === 'object')\n exports[\"URLToolkit\"] = URLToolkit;\n else\n root[\"URLToolkit\"] = URLToolkit;\n})(this);\n/* jshint ignore:end */\n","'use strict';\n\nvar has = Object.prototype.hasOwnProperty\n , prefix = '~';\n\n/**\n * Constructor to create a storage for our `EE` objects.\n * An `Events` instance is a plain object whose properties are event names.\n *\n * @constructor\n * @private\n */\nfunction Events() {}\n\n//\n// We try to not inherit from `Object.prototype`. In some engines creating an\n// instance in this way is faster than calling `Object.create(null)` directly.\n// If `Object.create(null)` is not supported we prefix the event names with a\n// character to make sure that the built-in object properties are not\n// overridden or used as an attack vector.\n//\nif (Object.create) {\n Events.prototype = Object.create(null);\n\n //\n // This hack is needed because the `__proto__` property is still inherited in\n // some old browsers like Android 4, iPhone 5.1, Opera 11 and Safari 5.\n //\n if (!new Events().__proto__) prefix = false;\n}\n\n/**\n * Representation of a single event listener.\n *\n * @param {Function} fn The listener function.\n * @param {*} context The context to invoke the listener with.\n * @param {Boolean} [once=false] Specify if the listener is a one-time listener.\n * @constructor\n * @private\n */\nfunction EE(fn, context, once) {\n this.fn = fn;\n this.context = context;\n this.once = once || false;\n}\n\n/**\n * Add a listener for a given event.\n *\n * @param {EventEmitter} emitter Reference to the `EventEmitter` instance.\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} context The context to invoke the listener with.\n * @param {Boolean} once Specify if the listener is a one-time listener.\n * @returns {EventEmitter}\n * @private\n */\nfunction addListener(emitter, event, fn, context, once) {\n if (typeof fn !== 'function') {\n throw new TypeError('The listener must be a function');\n }\n\n var listener = new EE(fn, context || emitter, once)\n , evt = prefix ? prefix + event : event;\n\n if (!emitter._events[evt]) emitter._events[evt] = listener, emitter._eventsCount++;\n else if (!emitter._events[evt].fn) emitter._events[evt].push(listener);\n else emitter._events[evt] = [emitter._events[evt], listener];\n\n return emitter;\n}\n\n/**\n * Clear event by name.\n *\n * @param {EventEmitter} emitter Reference to the `EventEmitter` instance.\n * @param {(String|Symbol)} evt The Event name.\n * @private\n */\nfunction clearEvent(emitter, evt) {\n if (--emitter._eventsCount === 0) emitter._events = new Events();\n else delete emitter._events[evt];\n}\n\n/**\n * Minimal `EventEmitter` interface that is molded against the Node.js\n * `EventEmitter` interface.\n *\n * @constructor\n * @public\n */\nfunction EventEmitter() {\n this._events = new Events();\n this._eventsCount = 0;\n}\n\n/**\n * Return an array listing the events for which the emitter has registered\n * listeners.\n *\n * @returns {Array}\n * @public\n */\nEventEmitter.prototype.eventNames = function eventNames() {\n var names = []\n , events\n , name;\n\n if (this._eventsCount === 0) return names;\n\n for (name in (events = this._events)) {\n if (has.call(events, name)) names.push(prefix ? name.slice(1) : name);\n }\n\n if (Object.getOwnPropertySymbols) {\n return names.concat(Object.getOwnPropertySymbols(events));\n }\n\n return names;\n};\n\n/**\n * Return the listeners registered for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Array} The registered listeners.\n * @public\n */\nEventEmitter.prototype.listeners = function listeners(event) {\n var evt = prefix ? prefix + event : event\n , handlers = this._events[evt];\n\n if (!handlers) return [];\n if (handlers.fn) return [handlers.fn];\n\n for (var i = 0, l = handlers.length, ee = new Array(l); i < l; i++) {\n ee[i] = handlers[i].fn;\n }\n\n return ee;\n};\n\n/**\n * Return the number of listeners listening to a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Number} The number of listeners.\n * @public\n */\nEventEmitter.prototype.listenerCount = function listenerCount(event) {\n var evt = prefix ? prefix + event : event\n , listeners = this._events[evt];\n\n if (!listeners) return 0;\n if (listeners.fn) return 1;\n return listeners.length;\n};\n\n/**\n * Calls each of the listeners registered for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Boolean} `true` if the event had listeners, else `false`.\n * @public\n */\nEventEmitter.prototype.emit = function emit(event, a1, a2, a3, a4, a5) {\n var evt = prefix ? prefix + event : event;\n\n if (!this._events[evt]) return false;\n\n var listeners = this._events[evt]\n , len = arguments.length\n , args\n , i;\n\n if (listeners.fn) {\n if (listeners.once) this.removeListener(event, listeners.fn, undefined, true);\n\n switch (len) {\n case 1: return listeners.fn.call(listeners.context), true;\n case 2: return listeners.fn.call(listeners.context, a1), true;\n case 3: return listeners.fn.call(listeners.context, a1, a2), true;\n case 4: return listeners.fn.call(listeners.context, a1, a2, a3), true;\n case 5: return listeners.fn.call(listeners.context, a1, a2, a3, a4), true;\n case 6: return listeners.fn.call(listeners.context, a1, a2, a3, a4, a5), true;\n }\n\n for (i = 1, args = new Array(len -1); i < len; i++) {\n args[i - 1] = arguments[i];\n }\n\n listeners.fn.apply(listeners.context, args);\n } else {\n var length = listeners.length\n , j;\n\n for (i = 0; i < length; i++) {\n if (listeners[i].once) this.removeListener(event, listeners[i].fn, undefined, true);\n\n switch (len) {\n case 1: listeners[i].fn.call(listeners[i].context); break;\n case 2: listeners[i].fn.call(listeners[i].context, a1); break;\n case 3: listeners[i].fn.call(listeners[i].context, a1, a2); break;\n case 4: listeners[i].fn.call(listeners[i].context, a1, a2, a3); break;\n default:\n if (!args) for (j = 1, args = new Array(len -1); j < len; j++) {\n args[j - 1] = arguments[j];\n }\n\n listeners[i].fn.apply(listeners[i].context, args);\n }\n }\n }\n\n return true;\n};\n\n/**\n * Add a listener for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} [context=this] The context to invoke the listener with.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.on = function on(event, fn, context) {\n return addListener(this, event, fn, context, false);\n};\n\n/**\n * Add a one-time listener for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} [context=this] The context to invoke the listener with.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.once = function once(event, fn, context) {\n return addListener(this, event, fn, context, true);\n};\n\n/**\n * Remove the listeners of a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn Only remove the listeners that match this function.\n * @param {*} context Only remove the listeners that have this context.\n * @param {Boolean} once Only remove one-time listeners.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.removeListener = function removeListener(event, fn, context, once) {\n var evt = prefix ? prefix + event : event;\n\n if (!this._events[evt]) return this;\n if (!fn) {\n clearEvent(this, evt);\n return this;\n }\n\n var listeners = this._events[evt];\n\n if (listeners.fn) {\n if (\n listeners.fn === fn &&\n (!once || listeners.once) &&\n (!context || listeners.context === context)\n ) {\n clearEvent(this, evt);\n }\n } else {\n for (var i = 0, events = [], length = listeners.length; i < length; i++) {\n if (\n listeners[i].fn !== fn ||\n (once && !listeners[i].once) ||\n (context && listeners[i].context !== context)\n ) {\n events.push(listeners[i]);\n }\n }\n\n //\n // Reset the array, or remove it completely if we have no more listeners.\n //\n if (events.length) this._events[evt] = events.length === 1 ? events[0] : events;\n else clearEvent(this, evt);\n }\n\n return this;\n};\n\n/**\n * Remove all listeners, or those of the specified event.\n *\n * @param {(String|Symbol)} [event] The event name.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.removeAllListeners = function removeAllListeners(event) {\n var evt;\n\n if (event) {\n evt = prefix ? prefix + event : event;\n if (this._events[evt]) clearEvent(this, evt);\n } else {\n this._events = new Events();\n this._eventsCount = 0;\n }\n\n return this;\n};\n\n//\n// Alias methods names because people roll like that.\n//\nEventEmitter.prototype.off = EventEmitter.prototype.removeListener;\nEventEmitter.prototype.addListener = EventEmitter.prototype.on;\n\n//\n// Expose the prefix.\n//\nEventEmitter.prefixed = prefix;\n\n//\n// Allow `EventEmitter` to be imported as module namespace.\n//\nEventEmitter.EventEmitter = EventEmitter;\n\n//\n// Expose the module.\n//\nif ('undefined' !== typeof module) {\n module.exports = EventEmitter;\n}\n","export default class AESCrypto {\n constructor (subtle, iv) {\n this.subtle = subtle;\n this.aesIV = iv;\n }\n\n decrypt (data, key) {\n return this.subtle.decrypt({ name: 'AES-CBC', iv: this.aesIV }, key, data);\n }\n}\n","class FastAESKey {\n constructor (subtle, key) {\n this.subtle = subtle;\n this.key = key;\n }\n\n expandKey () {\n return this.subtle.importKey('raw', this.key, { name: 'AES-CBC' }, false, ['encrypt', 'decrypt']);\n }\n}\n\nexport default FastAESKey;\n","// PKCS7\nexport function removePadding (buffer) {\n const outputBytes = buffer.byteLength;\n const paddingBytes = outputBytes && (new DataView(buffer)).getUint8(outputBytes - 1);\n if (paddingBytes) {\n return buffer.slice(0, outputBytes - paddingBytes);\n } else {\n return buffer;\n }\n}\n\nclass AESDecryptor {\n constructor () {\n // Static after running initTable\n this.rcon = [0x0, 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36];\n this.subMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)];\n this.invSubMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)];\n this.sBox = new Uint32Array(256);\n this.invSBox = new Uint32Array(256);\n\n // Changes during runtime\n this.key = new Uint32Array(0);\n\n this.initTable();\n }\n\n // Using view.getUint32() also swaps the byte order.\n uint8ArrayToUint32Array_ (arrayBuffer) {\n let view = new DataView(arrayBuffer);\n let newArray = new Uint32Array(4);\n for (let i = 0; i < 4; i++) {\n newArray[i] = view.getUint32(i * 4);\n }\n\n return newArray;\n }\n\n initTable () {\n let sBox = this.sBox;\n let invSBox = this.invSBox;\n let subMix = this.subMix;\n let subMix0 = subMix[0];\n let subMix1 = subMix[1];\n let subMix2 = subMix[2];\n let subMix3 = subMix[3];\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let d = new Uint32Array(256);\n let x = 0;\n let xi = 0;\n let i = 0;\n for (i = 0; i < 256; i++) {\n if (i < 128) {\n d[i] = i << 1;\n } else {\n d[i] = (i << 1) ^ 0x11b;\n }\n }\n\n for (i = 0; i < 256; i++) {\n let sx = xi ^ (xi << 1) ^ (xi << 2) ^ (xi << 3) ^ (xi << 4);\n sx = (sx >>> 8) ^ (sx & 0xff) ^ 0x63;\n sBox[x] = sx;\n invSBox[sx] = x;\n\n // Compute multiplication\n let x2 = d[x];\n let x4 = d[x2];\n let x8 = d[x4];\n\n // Compute sub/invSub bytes, mix columns tables\n let t = (d[sx] * 0x101) ^ (sx * 0x1010100);\n subMix0[x] = (t << 24) | (t >>> 8);\n subMix1[x] = (t << 16) | (t >>> 16);\n subMix2[x] = (t << 8) | (t >>> 24);\n subMix3[x] = t;\n\n // Compute inv sub bytes, inv mix columns tables\n t = (x8 * 0x1010101) ^ (x4 * 0x10001) ^ (x2 * 0x101) ^ (x * 0x1010100);\n invSubMix0[sx] = (t << 24) | (t >>> 8);\n invSubMix1[sx] = (t << 16) | (t >>> 16);\n invSubMix2[sx] = (t << 8) | (t >>> 24);\n invSubMix3[sx] = t;\n\n // Compute next counter\n if (!x) {\n x = xi = 1;\n } else {\n x = x2 ^ d[d[d[x8 ^ x2]]];\n xi ^= d[d[xi]];\n }\n }\n }\n\n expandKey (keyBuffer) {\n // convert keyBuffer to Uint32Array\n let key = this.uint8ArrayToUint32Array_(keyBuffer);\n let sameKey = true;\n let offset = 0;\n\n while (offset < key.length && sameKey) {\n sameKey = (key[offset] === this.key[offset]);\n offset++;\n }\n\n if (sameKey) {\n return;\n }\n\n this.key = key;\n let keySize = this.keySize = key.length;\n\n if (keySize !== 4 && keySize !== 6 && keySize !== 8) {\n throw new Error('Invalid aes key size=' + keySize);\n }\n\n let ksRows = this.ksRows = (keySize + 6 + 1) * 4;\n let ksRow;\n let invKsRow;\n\n let keySchedule = this.keySchedule = new Uint32Array(ksRows);\n let invKeySchedule = this.invKeySchedule = new Uint32Array(ksRows);\n let sbox = this.sBox;\n let rcon = this.rcon;\n\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let prev;\n let t;\n\n for (ksRow = 0; ksRow < ksRows; ksRow++) {\n if (ksRow < keySize) {\n prev = keySchedule[ksRow] = key[ksRow];\n continue;\n }\n t = prev;\n\n if (ksRow % keySize === 0) {\n // Rot word\n t = (t << 8) | (t >>> 24);\n\n // Sub word\n t = (sbox[t >>> 24] << 24) | (sbox[(t >>> 16) & 0xff] << 16) | (sbox[(t >>> 8) & 0xff] << 8) | sbox[t & 0xff];\n\n // Mix Rcon\n t ^= rcon[(ksRow / keySize) | 0] << 24;\n } else if (keySize > 6 && ksRow % keySize === 4) {\n // Sub word\n t = (sbox[t >>> 24] << 24) | (sbox[(t >>> 16) & 0xff] << 16) | (sbox[(t >>> 8) & 0xff] << 8) | sbox[t & 0xff];\n }\n\n keySchedule[ksRow] = prev = (keySchedule[ksRow - keySize] ^ t) >>> 0;\n }\n\n for (invKsRow = 0; invKsRow < ksRows; invKsRow++) {\n ksRow = ksRows - invKsRow;\n if (invKsRow & 3) {\n t = keySchedule[ksRow];\n } else {\n t = keySchedule[ksRow - 4];\n }\n\n if (invKsRow < 4 || ksRow <= 4) {\n invKeySchedule[invKsRow] = t;\n } else {\n invKeySchedule[invKsRow] = invSubMix0[sbox[t >>> 24]] ^ invSubMix1[sbox[(t >>> 16) & 0xff]] ^ invSubMix2[sbox[(t >>> 8) & 0xff]] ^ invSubMix3[sbox[t & 0xff]];\n }\n\n invKeySchedule[invKsRow] = invKeySchedule[invKsRow] >>> 0;\n }\n }\n\n // Adding this as a method greatly improves performance.\n networkToHostOrderSwap (word) {\n return (word << 24) | ((word & 0xff00) << 8) | ((word & 0xff0000) >> 8) | (word >>> 24);\n }\n\n decrypt (inputArrayBuffer, offset, aesIV, removePKCS7Padding) {\n let nRounds = this.keySize + 6;\n let invKeySchedule = this.invKeySchedule;\n let invSBOX = this.invSBox;\n\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let initVector = this.uint8ArrayToUint32Array_(aesIV);\n let initVector0 = initVector[0];\n let initVector1 = initVector[1];\n let initVector2 = initVector[2];\n let initVector3 = initVector[3];\n\n let inputInt32 = new Int32Array(inputArrayBuffer);\n let outputInt32 = new Int32Array(inputInt32.length);\n\n let t0, t1, t2, t3;\n let s0, s1, s2, s3;\n let inputWords0, inputWords1, inputWords2, inputWords3;\n\n let ksRow, i;\n let swapWord = this.networkToHostOrderSwap;\n\n while (offset < inputInt32.length) {\n inputWords0 = swapWord(inputInt32[offset]);\n inputWords1 = swapWord(inputInt32[offset + 1]);\n inputWords2 = swapWord(inputInt32[offset + 2]);\n inputWords3 = swapWord(inputInt32[offset + 3]);\n\n s0 = inputWords0 ^ invKeySchedule[0];\n s1 = inputWords3 ^ invKeySchedule[1];\n s2 = inputWords2 ^ invKeySchedule[2];\n s3 = inputWords1 ^ invKeySchedule[3];\n\n ksRow = 4;\n\n // Iterate through the rounds of decryption\n for (i = 1; i < nRounds; i++) {\n t0 = invSubMix0[s0 >>> 24] ^ invSubMix1[(s1 >> 16) & 0xff] ^ invSubMix2[(s2 >> 8) & 0xff] ^ invSubMix3[s3 & 0xff] ^ invKeySchedule[ksRow];\n t1 = invSubMix0[s1 >>> 24] ^ invSubMix1[(s2 >> 16) & 0xff] ^ invSubMix2[(s3 >> 8) & 0xff] ^ invSubMix3[s0 & 0xff] ^ invKeySchedule[ksRow + 1];\n t2 = invSubMix0[s2 >>> 24] ^ invSubMix1[(s3 >> 16) & 0xff] ^ invSubMix2[(s0 >> 8) & 0xff] ^ invSubMix3[s1 & 0xff] ^ invKeySchedule[ksRow + 2];\n t3 = invSubMix0[s3 >>> 24] ^ invSubMix1[(s0 >> 16) & 0xff] ^ invSubMix2[(s1 >> 8) & 0xff] ^ invSubMix3[s2 & 0xff] ^ invKeySchedule[ksRow + 3];\n // Update state\n s0 = t0;\n s1 = t1;\n s2 = t2;\n s3 = t3;\n\n ksRow = ksRow + 4;\n }\n\n // Shift rows, sub bytes, add round key\n t0 = ((invSBOX[s0 >>> 24] << 24) ^ (invSBOX[(s1 >> 16) & 0xff] << 16) ^ (invSBOX[(s2 >> 8) & 0xff] << 8) ^ invSBOX[s3 & 0xff]) ^ invKeySchedule[ksRow];\n t1 = ((invSBOX[s1 >>> 24] << 24) ^ (invSBOX[(s2 >> 16) & 0xff] << 16) ^ (invSBOX[(s3 >> 8) & 0xff] << 8) ^ invSBOX[s0 & 0xff]) ^ invKeySchedule[ksRow + 1];\n t2 = ((invSBOX[s2 >>> 24] << 24) ^ (invSBOX[(s3 >> 16) & 0xff] << 16) ^ (invSBOX[(s0 >> 8) & 0xff] << 8) ^ invSBOX[s1 & 0xff]) ^ invKeySchedule[ksRow + 2];\n t3 = ((invSBOX[s3 >>> 24] << 24) ^ (invSBOX[(s0 >> 16) & 0xff] << 16) ^ (invSBOX[(s1 >> 8) & 0xff] << 8) ^ invSBOX[s2 & 0xff]) ^ invKeySchedule[ksRow + 3];\n ksRow = ksRow + 3;\n\n // Write\n outputInt32[offset] = swapWord(t0 ^ initVector0);\n outputInt32[offset + 1] = swapWord(t3 ^ initVector1);\n outputInt32[offset + 2] = swapWord(t2 ^ initVector2);\n outputInt32[offset + 3] = swapWord(t1 ^ initVector3);\n\n // reset initVector to last 4 unsigned int\n initVector0 = inputWords0;\n initVector1 = inputWords1;\n initVector2 = inputWords2;\n initVector3 = inputWords3;\n\n offset = offset + 4;\n }\n\n return removePKCS7Padding ? removePadding(outputInt32.buffer) : outputInt32.buffer;\n }\n\n destroy () {\n this.key = undefined;\n this.keySize = undefined;\n this.ksRows = undefined;\n\n this.sBox = undefined;\n this.invSBox = undefined;\n this.subMix = undefined;\n this.invSubMix = undefined;\n this.keySchedule = undefined;\n this.invKeySchedule = undefined;\n\n this.rcon = undefined;\n }\n}\n\nexport default AESDecryptor;\n","import AESCrypto from './aes-crypto';\nimport FastAESKey from './fast-aes-key';\nimport AESDecryptor from './aes-decryptor';\n\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\n\nimport Event from '../events';\n\nimport { getSelfScope } from '../utils/get-self-scope';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n\nclass Decrypter {\n constructor (observer, config, { removePKCS7Padding = true } = {}) {\n this.logEnabled = true;\n this.observer = observer;\n this.config = config;\n this.removePKCS7Padding = removePKCS7Padding;\n // built in decryptor expects PKCS7 padding\n if (removePKCS7Padding) {\n try {\n const browserCrypto = global.crypto;\n if (browserCrypto) {\n this.subtle = browserCrypto.subtle || browserCrypto.webkitSubtle;\n }\n } catch (e) {}\n }\n this.disableWebCrypto = !this.subtle;\n }\n\n isSync () {\n return (this.disableWebCrypto && this.config.enableSoftwareAES);\n }\n\n decrypt (data, key, iv, callback) {\n if (this.disableWebCrypto && this.config.enableSoftwareAES) {\n if (this.logEnabled) {\n logger.log('JS AES decrypt');\n this.logEnabled = false;\n }\n let decryptor = this.decryptor;\n if (!decryptor) {\n this.decryptor = decryptor = new AESDecryptor();\n }\n\n decryptor.expandKey(key);\n callback(decryptor.decrypt(data, 0, iv, this.removePKCS7Padding));\n } else {\n if (this.logEnabled) {\n logger.log('WebCrypto AES decrypt');\n this.logEnabled = false;\n }\n const subtle = this.subtle;\n if (this.key !== key) {\n this.key = key;\n this.fastAesKey = new FastAESKey(subtle, key);\n }\n\n this.fastAesKey.expandKey()\n .then((aesKey) => {\n // decrypt using web crypto\n let crypto = new AESCrypto(subtle, iv);\n crypto.decrypt(data, aesKey)\n .catch((err) => {\n this.onWebCryptoError(err, data, key, iv, callback);\n })\n .then((result) => {\n callback(result);\n });\n })\n .catch((err) => {\n this.onWebCryptoError(err, data, key, iv, callback);\n });\n }\n }\n\n onWebCryptoError (err, data, key, iv, callback) {\n if (this.config.enableSoftwareAES) {\n logger.log('WebCrypto Error, disable WebCrypto API');\n this.disableWebCrypto = true;\n this.logEnabled = true;\n this.decrypt(data, key, iv, callback);\n } else {\n logger.error(`decrypting error : ${err.message}`);\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_DECRYPT_ERROR, fatal: true, reason: err.message });\n }\n }\n\n destroy () {\n let decryptor = this.decryptor;\n if (decryptor) {\n decryptor.destroy();\n this.decryptor = undefined;\n }\n }\n}\n\nexport default Decrypter;\n","/**\n * ADTS parser helper\n * @link https://wiki.multimedia.cx/index.php?title=ADTS\n */\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\nimport Event from '../events';\n\nimport { getSelfScope } from '../utils/get-self-scope';\n\nexport function getAudioConfig (observer, data, offset, audioCodec) {\n let adtsObjectType, // :int\n adtsSampleingIndex, // :int\n adtsExtensionSampleingIndex, // :int\n adtsChanelConfig, // :int\n config,\n userAgent = navigator.userAgent.toLowerCase(),\n manifestCodec = audioCodec,\n adtsSampleingRates = [\n 96000, 88200,\n 64000, 48000,\n 44100, 32000,\n 24000, 22050,\n 16000, 12000,\n 11025, 8000,\n 7350];\n // byte 2\n adtsObjectType = ((data[offset + 2] & 0xC0) >>> 6) + 1;\n adtsSampleingIndex = ((data[offset + 2] & 0x3C) >>> 2);\n if (adtsSampleingIndex > adtsSampleingRates.length - 1) {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: true, reason: `invalid ADTS sampling index:${adtsSampleingIndex}` });\n return;\n }\n adtsChanelConfig = ((data[offset + 2] & 0x01) << 2);\n // byte 3\n adtsChanelConfig |= ((data[offset + 3] & 0xC0) >>> 6);\n logger.log(`manifest codec:${audioCodec},ADTS data:type:${adtsObjectType},sampleingIndex:${adtsSampleingIndex}[${adtsSampleingRates[adtsSampleingIndex]}Hz],channelConfig:${adtsChanelConfig}`);\n // firefox: freq less than 24kHz = AAC SBR (HE-AAC)\n if (/firefox/i.test(userAgent)) {\n if (adtsSampleingIndex >= 6) {\n adtsObjectType = 5;\n config = new Array(4);\n // HE-AAC uses SBR (Spectral Band Replication) , high frequencies are constructed from low frequencies\n // there is a factor 2 between frame sample rate and output sample rate\n // multiply frequency by 2 (see table below, equivalent to substract 3)\n adtsExtensionSampleingIndex = adtsSampleingIndex - 3;\n } else {\n adtsObjectType = 2;\n config = new Array(2);\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n }\n // Android : always use AAC\n } else if (userAgent.indexOf('android') !== -1) {\n adtsObjectType = 2;\n config = new Array(2);\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n } else {\n /* for other browsers (Chrome/Vivaldi/Opera ...)\n always force audio type to be HE-AAC SBR, as some browsers do not support audio codec switch properly (like Chrome ...)\n */\n adtsObjectType = 5;\n config = new Array(4);\n // if (manifest codec is HE-AAC or HE-AACv2) OR (manifest codec not specified AND frequency less than 24kHz)\n if ((audioCodec && ((audioCodec.indexOf('mp4a.40.29') !== -1) ||\n (audioCodec.indexOf('mp4a.40.5') !== -1))) ||\n (!audioCodec && adtsSampleingIndex >= 6)) {\n // HE-AAC uses SBR (Spectral Band Replication) , high frequencies are constructed from low frequencies\n // there is a factor 2 between frame sample rate and output sample rate\n // multiply frequency by 2 (see table below, equivalent to substract 3)\n adtsExtensionSampleingIndex = adtsSampleingIndex - 3;\n } else {\n // if (manifest codec is AAC) AND (frequency less than 24kHz AND nb channel is 1) OR (manifest codec not specified and mono audio)\n // Chrome fails to play back with low frequency AAC LC mono when initialized with HE-AAC. This is not a problem with stereo.\n if (audioCodec && audioCodec.indexOf('mp4a.40.2') !== -1 && ((adtsSampleingIndex >= 6 && adtsChanelConfig === 1) ||\n /vivaldi/i.test(userAgent)) ||\n (!audioCodec && adtsChanelConfig === 1)) {\n adtsObjectType = 2;\n config = new Array(2);\n }\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n }\n }\n /* refer to http://wiki.multimedia.cx/index.php?title=MPEG-4_Audio#Audio_Specific_Config\n ISO 14496-3 (AAC).pdf - Table 1.13 — Syntax of AudioSpecificConfig()\n Audio Profile / Audio Object Type\n 0: Null\n 1: AAC Main\n 2: AAC LC (Low Complexity)\n 3: AAC SSR (Scalable Sample Rate)\n 4: AAC LTP (Long Term Prediction)\n 5: SBR (Spectral Band Replication)\n 6: AAC Scalable\n sampling freq\n 0: 96000 Hz\n 1: 88200 Hz\n 2: 64000 Hz\n 3: 48000 Hz\n 4: 44100 Hz\n 5: 32000 Hz\n 6: 24000 Hz\n 7: 22050 Hz\n 8: 16000 Hz\n 9: 12000 Hz\n 10: 11025 Hz\n 11: 8000 Hz\n 12: 7350 Hz\n 13: Reserved\n 14: Reserved\n 15: frequency is written explictly\n Channel Configurations\n These are the channel configurations:\n 0: Defined in AOT Specifc Config\n 1: 1 channel: front-center\n 2: 2 channels: front-left, front-right\n */\n // audioObjectType = profile => profile, the MPEG-4 Audio Object Type minus 1\n config[0] = adtsObjectType << 3;\n // samplingFrequencyIndex\n config[0] |= (adtsSampleingIndex & 0x0E) >> 1;\n config[1] |= (adtsSampleingIndex & 0x01) << 7;\n // channelConfiguration\n config[1] |= adtsChanelConfig << 3;\n if (adtsObjectType === 5) {\n // adtsExtensionSampleingIndex\n config[1] |= (adtsExtensionSampleingIndex & 0x0E) >> 1;\n config[2] = (adtsExtensionSampleingIndex & 0x01) << 7;\n // adtsObjectType (force to 2, chrome is checking that object type is less than 5 ???\n // https://chromium.googlesource.com/chromium/src.git/+/master/media/formats/mp4/aac.cc\n config[2] |= 2 << 2;\n config[3] = 0;\n }\n return { config: config, samplerate: adtsSampleingRates[adtsSampleingIndex], channelCount: adtsChanelConfig, codec: ('mp4a.40.' + adtsObjectType), manifestCodec: manifestCodec };\n}\n\nexport function isHeaderPattern (data, offset) {\n return data[offset] === 0xff && (data[offset + 1] & 0xf6) === 0xf0;\n}\n\nexport function getHeaderLength (data, offset) {\n return (data[offset + 1] & 0x01 ? 7 : 9);\n}\n\nexport function getFullFrameLength (data, offset) {\n return ((data[offset + 3] & 0x03) << 11) |\n (data[offset + 4] << 3) |\n ((data[offset + 5] & 0xE0) >>> 5);\n}\n\nexport function isHeader (data, offset) {\n // Look for ADTS header | 1111 1111 | 1111 X00X | where X can be either 0 or 1\n // Layer bits (position 14 and 15) in header should be always 0 for ADTS\n // More info https://wiki.multimedia.cx/index.php?title=ADTS\n if (offset + 1 < data.length && isHeaderPattern(data, offset)) {\n return true;\n }\n\n return false;\n}\n\nexport function probe (data, offset) {\n // same as isHeader but we also check that ADTS frame follows last ADTS frame\n // or end of data is reached\n if (isHeader(data, offset)) {\n // ADTS header Length\n let headerLength = getHeaderLength(data, offset);\n // ADTS frame Length\n let frameLength = headerLength;\n if (offset + 5 < data.length) {\n frameLength = getFullFrameLength(data, offset);\n }\n\n let newOffset = offset + frameLength;\n if (newOffset === data.length || (newOffset + 1 < data.length && isHeaderPattern(data, newOffset))) {\n return true;\n }\n }\n return false;\n}\n\nexport function initTrackConfig (track, observer, data, offset, audioCodec) {\n if (!track.samplerate) {\n let config = getAudioConfig(observer, data, offset, audioCodec);\n track.config = config.config;\n track.samplerate = config.samplerate;\n track.channelCount = config.channelCount;\n track.codec = config.codec;\n track.manifestCodec = config.manifestCodec;\n logger.log(`parsed codec:${track.codec},rate:${config.samplerate},nb channel:${config.channelCount}`);\n }\n}\n\nexport function getFrameDuration (samplerate) {\n return 1024 * 90000 / samplerate;\n}\n\nexport function parseFrameHeader (data, offset, pts, frameIndex, frameDuration) {\n let headerLength, frameLength, stamp;\n let length = data.length;\n\n // The protection skip bit tells us if we have 2 bytes of CRC data at the end of the ADTS header\n headerLength = getHeaderLength(data, offset);\n // retrieve frame size\n frameLength = getFullFrameLength(data, offset);\n frameLength -= headerLength;\n\n if ((frameLength > 0) && ((offset + headerLength + frameLength) <= length)) {\n stamp = pts + frameIndex * frameDuration;\n // logger.log(`AAC frame, offset/length/total/pts:${offset+headerLength}/${frameLength}/${data.byteLength}/${(stamp/90).toFixed(0)}`);\n return { headerLength, frameLength, stamp };\n }\n\n return undefined;\n}\n\nexport function appendFrame (track, data, offset, pts, frameIndex) {\n let frameDuration = getFrameDuration(track.samplerate);\n let header = parseFrameHeader(data, offset, pts, frameIndex, frameDuration);\n if (header) {\n let stamp = header.stamp;\n let headerLength = header.headerLength;\n let frameLength = header.frameLength;\n\n // logger.log(`AAC frame, offset/length/total/pts:${offset+headerLength}/${frameLength}/${data.byteLength}/${(stamp/90).toFixed(0)}`);\n let aacSample = {\n unit: data.subarray(offset + headerLength, offset + headerLength + frameLength),\n pts: stamp,\n dts: stamp\n };\n\n track.samples.push(aacSample);\n return { sample: aacSample, length: frameLength + headerLength };\n }\n\n return undefined;\n}\n","/**\n * AAC demuxer\n */\nimport * as ADTS from './adts';\nimport { logger } from '../utils/logger';\nimport ID3 from '../demux/id3';\n\nclass AACDemuxer {\n constructor (observer, remuxer, config) {\n this.observer = observer;\n this.config = config;\n this.remuxer = remuxer;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this._audioTrack = { container: 'audio/adts', type: 'audio', id: 0, sequenceNumber: 0, isAAC: true, samples: [], len: 0, manifestCodec: audioCodec, duration: duration, inputTimeScale: 90000 };\n }\n\n resetTimeStamp () {\n }\n\n static probe (data) {\n if (!data) {\n return false;\n }\n\n // Check for the ADTS sync word\n // Look for ADTS header | 1111 1111 | 1111 X00X | where X can be either 0 or 1\n // Layer bits (position 14 and 15) in header should be always 0 for ADTS\n // More info https://wiki.multimedia.cx/index.php?title=ADTS\n const id3Data = ID3.getID3Data(data, 0) || [];\n let offset = id3Data.length;\n\n for (let length = data.length; offset < length; offset++) {\n if (ADTS.probe(data, offset)) {\n logger.log('ADTS sync word found !');\n return true;\n }\n }\n return false;\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let track = this._audioTrack;\n let id3Data = ID3.getID3Data(data, 0) || [];\n let timestamp = ID3.getTimeStamp(id3Data);\n let pts = Number.isFinite(timestamp) ? timestamp * 90 : timeOffset * 90000;\n let frameIndex = 0;\n let stamp = pts;\n let length = data.length;\n let offset = id3Data.length;\n\n let id3Samples = [{ pts: stamp, dts: stamp, data: id3Data }];\n\n while (offset < length - 1) {\n if (ADTS.isHeader(data, offset) && (offset + 5) < length) {\n ADTS.initTrackConfig(track, this.observer, data, offset, track.manifestCodec);\n let frame = ADTS.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n } else {\n logger.log('Unable to parse AAC frame');\n break;\n }\n } else if (ID3.isHeader(data, offset)) {\n id3Data = ID3.getID3Data(data, offset);\n id3Samples.push({ pts: stamp, dts: stamp, data: id3Data });\n offset += id3Data.length;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n this.remuxer.remux(track,\n { samples: [] },\n { samples: id3Samples, inputTimeScale: 90000 },\n { samples: [] },\n timeOffset,\n contiguous,\n accurateTimeOffset);\n }\n\n destroy () {\n }\n}\n\nexport default AACDemuxer;\n","/**\n * MPEG parser helper\n */\n\nconst MpegAudio = {\n\n BitratesMap: [\n 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448,\n 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384,\n 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320,\n 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256,\n 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160],\n\n SamplingRateMap: [44100, 48000, 32000, 22050, 24000, 16000, 11025, 12000, 8000],\n\n SamplesCoefficients: [\n // MPEG 2.5\n [\n 0, // Reserved\n 72, // Layer3\n 144, // Layer2\n 12 // Layer1\n ],\n // Reserved\n [\n 0, // Reserved\n 0, // Layer3\n 0, // Layer2\n 0 // Layer1\n ],\n // MPEG 2\n [\n 0, // Reserved\n 72, // Layer3\n 144, // Layer2\n 12 // Layer1\n ],\n // MPEG 1\n [\n 0, // Reserved\n 144, // Layer3\n 144, // Layer2\n 12 // Layer1\n ]\n ],\n\n BytesInSlot: [\n 0, // Reserved\n 1, // Layer3\n 1, // Layer2\n 4 // Layer1\n ],\n\n appendFrame: function (track, data, offset, pts, frameIndex) {\n // Using http://www.datavoyage.com/mpgscript/mpeghdr.htm as a reference\n if (offset + 24 > data.length) {\n return undefined;\n }\n\n let header = this.parseHeader(data, offset);\n if (header && offset + header.frameLength <= data.length) {\n let frameDuration = header.samplesPerFrame * 90000 / header.sampleRate;\n let stamp = pts + frameIndex * frameDuration;\n let sample = { unit: data.subarray(offset, offset + header.frameLength), pts: stamp, dts: stamp };\n\n track.config = [];\n track.channelCount = header.channelCount;\n track.samplerate = header.sampleRate;\n track.samples.push(sample);\n\n return { sample, length: header.frameLength };\n }\n\n return undefined;\n },\n\n parseHeader: function (data, offset) {\n let headerB = (data[offset + 1] >> 3) & 3;\n let headerC = (data[offset + 1] >> 1) & 3;\n let headerE = (data[offset + 2] >> 4) & 15;\n let headerF = (data[offset + 2] >> 2) & 3;\n let headerG = (data[offset + 2] >> 1) & 1;\n if (headerB !== 1 && headerE !== 0 && headerE !== 15 && headerF !== 3) {\n let columnInBitrates = headerB === 3 ? (3 - headerC) : (headerC === 3 ? 3 : 4);\n let bitRate = MpegAudio.BitratesMap[columnInBitrates * 14 + headerE - 1] * 1000;\n let columnInSampleRates = headerB === 3 ? 0 : headerB === 2 ? 1 : 2;\n let sampleRate = MpegAudio.SamplingRateMap[columnInSampleRates * 3 + headerF];\n let channelCount = data[offset + 3] >> 6 === 3 ? 1 : 2; // If bits of channel mode are `11` then it is a single channel (Mono)\n let sampleCoefficient = MpegAudio.SamplesCoefficients[headerB][headerC];\n let bytesInSlot = MpegAudio.BytesInSlot[headerC];\n let samplesPerFrame = sampleCoefficient * 8 * bytesInSlot;\n let frameLength = parseInt(sampleCoefficient * bitRate / sampleRate + headerG, 10) * bytesInSlot;\n\n return { sampleRate, channelCount, frameLength, samplesPerFrame };\n }\n\n return undefined;\n },\n\n isHeaderPattern: function (data, offset) {\n return data[offset] === 0xff && (data[offset + 1] & 0xe0) === 0xe0 && (data[offset + 1] & 0x06) !== 0x00;\n },\n\n isHeader: function (data, offset) {\n // Look for MPEG header | 1111 1111 | 111X XYZX | where X can be either 0 or 1 and Y or Z should be 1\n // Layer bits (position 14 and 15) in header should be always different from 0 (Layer I or Layer II or Layer III)\n // More info http://www.mp3-tech.org/programmer/frame_header.html\n if (offset + 1 < data.length && this.isHeaderPattern(data, offset)) {\n return true;\n }\n\n return false;\n },\n\n probe: function (data, offset) {\n // same as isHeader but we also check that MPEG frame follows last MPEG frame\n // or end of data is reached\n if (offset + 1 < data.length && this.isHeaderPattern(data, offset)) {\n // MPEG header Length\n let headerLength = 4;\n // MPEG frame Length\n let header = this.parseHeader(data, offset);\n let frameLength = headerLength;\n if (header && header.frameLength) {\n frameLength = header.frameLength;\n }\n\n let newOffset = offset + frameLength;\n if (newOffset === data.length || (newOffset + 1 < data.length && this.isHeaderPattern(data, newOffset))) {\n return true;\n }\n }\n return false;\n }\n};\n\nexport default MpegAudio;\n","/**\n * Parser for exponential Golomb codes, a variable-bitwidth number encoding scheme used by h264.\n*/\n\nimport { logger } from '../utils/logger';\n\nclass ExpGolomb {\n constructor (data) {\n this.data = data;\n // the number of bytes left to examine in this.data\n this.bytesAvailable = data.byteLength;\n // the current word being examined\n this.word = 0; // :uint\n // the number of bits left to examine in the current word\n this.bitsAvailable = 0; // :uint\n }\n\n // ():void\n loadWord () {\n let\n data = this.data,\n bytesAvailable = this.bytesAvailable,\n position = data.byteLength - bytesAvailable,\n workingBytes = new Uint8Array(4),\n availableBytes = Math.min(4, bytesAvailable);\n if (availableBytes === 0) {\n throw new Error('no bytes available');\n }\n\n workingBytes.set(data.subarray(position, position + availableBytes));\n this.word = new DataView(workingBytes.buffer).getUint32(0);\n // track the amount of this.data that has been processed\n this.bitsAvailable = availableBytes * 8;\n this.bytesAvailable -= availableBytes;\n }\n\n // (count:int):void\n skipBits (count) {\n let skipBytes; // :int\n if (this.bitsAvailable > count) {\n this.word <<= count;\n this.bitsAvailable -= count;\n } else {\n count -= this.bitsAvailable;\n skipBytes = count >> 3;\n count -= (skipBytes >> 3);\n this.bytesAvailable -= skipBytes;\n this.loadWord();\n this.word <<= count;\n this.bitsAvailable -= count;\n }\n }\n\n // (size:int):uint\n readBits (size) {\n let\n bits = Math.min(this.bitsAvailable, size), // :uint\n valu = this.word >>> (32 - bits); // :uint\n if (size > 32) {\n logger.error('Cannot read more than 32 bits at a time');\n }\n\n this.bitsAvailable -= bits;\n if (this.bitsAvailable > 0) {\n this.word <<= bits;\n } else if (this.bytesAvailable > 0) {\n this.loadWord();\n }\n\n bits = size - bits;\n if (bits > 0 && this.bitsAvailable) {\n return valu << bits | this.readBits(bits);\n } else {\n return valu;\n }\n }\n\n // ():uint\n skipLZ () {\n let leadingZeroCount; // :uint\n for (leadingZeroCount = 0; leadingZeroCount < this.bitsAvailable; ++leadingZeroCount) {\n if ((this.word & (0x80000000 >>> leadingZeroCount)) !== 0) {\n // the first bit of working word is 1\n this.word <<= leadingZeroCount;\n this.bitsAvailable -= leadingZeroCount;\n return leadingZeroCount;\n }\n }\n // we exhausted word and still have not found a 1\n this.loadWord();\n return leadingZeroCount + this.skipLZ();\n }\n\n // ():void\n skipUEG () {\n this.skipBits(1 + this.skipLZ());\n }\n\n // ():void\n skipEG () {\n this.skipBits(1 + this.skipLZ());\n }\n\n // ():uint\n readUEG () {\n let clz = this.skipLZ(); // :uint\n return this.readBits(clz + 1) - 1;\n }\n\n // ():int\n readEG () {\n let valu = this.readUEG(); // :int\n if (0x01 & valu) {\n // the number is odd if the low order bit is set\n return (1 + valu) >>> 1; // add 1 to make it even, and divide by 2\n } else {\n return -1 * (valu >>> 1); // divide by two then make it negative\n }\n }\n\n // Some convenience functions\n // :Boolean\n readBoolean () {\n return this.readBits(1) === 1;\n }\n\n // ():int\n readUByte () {\n return this.readBits(8);\n }\n\n // ():int\n readUShort () {\n return this.readBits(16);\n }\n // ():int\n readUInt () {\n return this.readBits(32);\n }\n\n /**\n * Advance the ExpGolomb decoder past a scaling list. The scaling\n * list is optionally transmitted as part of a sequence parameter\n * set and is not relevant to transmuxing.\n * @param count {number} the number of entries in this scaling list\n * @see Recommendation ITU-T H.264, Section 7.3.2.1.1.1\n */\n skipScalingList (count) {\n let\n lastScale = 8,\n nextScale = 8,\n j,\n deltaScale;\n for (j = 0; j < count; j++) {\n if (nextScale !== 0) {\n deltaScale = this.readEG();\n nextScale = (lastScale + deltaScale + 256) % 256;\n }\n lastScale = (nextScale === 0) ? lastScale : nextScale;\n }\n }\n\n /**\n * Read a sequence parameter set and return some interesting video\n * properties. A sequence parameter set is the H264 metadata that\n * describes the properties of upcoming video frames.\n * @param data {Uint8Array} the bytes of a sequence parameter set\n * @return {object} an object with configuration parsed from the\n * sequence parameter set, including the dimensions of the\n * associated video frames.\n */\n readSPS () {\n let\n frameCropLeftOffset = 0,\n frameCropRightOffset = 0,\n frameCropTopOffset = 0,\n frameCropBottomOffset = 0,\n profileIdc, profileCompat, levelIdc,\n numRefFramesInPicOrderCntCycle, picWidthInMbsMinus1,\n picHeightInMapUnitsMinus1,\n frameMbsOnlyFlag,\n scalingListCount,\n i,\n readUByte = this.readUByte.bind(this),\n readBits = this.readBits.bind(this),\n readUEG = this.readUEG.bind(this),\n readBoolean = this.readBoolean.bind(this),\n skipBits = this.skipBits.bind(this),\n skipEG = this.skipEG.bind(this),\n skipUEG = this.skipUEG.bind(this),\n skipScalingList = this.skipScalingList.bind(this);\n\n readUByte();\n profileIdc = readUByte(); // profile_idc\n profileCompat = readBits(5); // constraint_set[0-4]_flag, u(5)\n skipBits(3); // reserved_zero_3bits u(3),\n levelIdc = readUByte(); // level_idc u(8)\n skipUEG(); // seq_parameter_set_id\n // some profiles have more optional data we don't need\n if (profileIdc === 100 ||\n profileIdc === 110 ||\n profileIdc === 122 ||\n profileIdc === 244 ||\n profileIdc === 44 ||\n profileIdc === 83 ||\n profileIdc === 86 ||\n profileIdc === 118 ||\n profileIdc === 128) {\n let chromaFormatIdc = readUEG();\n if (chromaFormatIdc === 3) {\n skipBits(1);\n } // separate_colour_plane_flag\n\n skipUEG(); // bit_depth_luma_minus8\n skipUEG(); // bit_depth_chroma_minus8\n skipBits(1); // qpprime_y_zero_transform_bypass_flag\n if (readBoolean()) { // seq_scaling_matrix_present_flag\n scalingListCount = (chromaFormatIdc !== 3) ? 8 : 12;\n for (i = 0; i < scalingListCount; i++) {\n if (readBoolean()) { // seq_scaling_list_present_flag[ i ]\n if (i < 6) {\n skipScalingList(16);\n } else {\n skipScalingList(64);\n }\n }\n }\n }\n }\n skipUEG(); // log2_max_frame_num_minus4\n let picOrderCntType = readUEG();\n if (picOrderCntType === 0) {\n readUEG(); // log2_max_pic_order_cnt_lsb_minus4\n } else if (picOrderCntType === 1) {\n skipBits(1); // delta_pic_order_always_zero_flag\n skipEG(); // offset_for_non_ref_pic\n skipEG(); // offset_for_top_to_bottom_field\n numRefFramesInPicOrderCntCycle = readUEG();\n for (i = 0; i < numRefFramesInPicOrderCntCycle; i++) {\n skipEG();\n } // offset_for_ref_frame[ i ]\n }\n skipUEG(); // max_num_ref_frames\n skipBits(1); // gaps_in_frame_num_value_allowed_flag\n picWidthInMbsMinus1 = readUEG();\n picHeightInMapUnitsMinus1 = readUEG();\n frameMbsOnlyFlag = readBits(1);\n if (frameMbsOnlyFlag === 0) {\n skipBits(1);\n } // mb_adaptive_frame_field_flag\n\n skipBits(1); // direct_8x8_inference_flag\n if (readBoolean()) { // frame_cropping_flag\n frameCropLeftOffset = readUEG();\n frameCropRightOffset = readUEG();\n frameCropTopOffset = readUEG();\n frameCropBottomOffset = readUEG();\n }\n let pixelRatio = [1, 1];\n if (readBoolean()) {\n // vui_parameters_present_flag\n if (readBoolean()) {\n // aspect_ratio_info_present_flag\n const aspectRatioIdc = readUByte();\n switch (aspectRatioIdc) {\n case 1: pixelRatio = [1, 1]; break;\n case 2: pixelRatio = [12, 11]; break;\n case 3: pixelRatio = [10, 11]; break;\n case 4: pixelRatio = [16, 11]; break;\n case 5: pixelRatio = [40, 33]; break;\n case 6: pixelRatio = [24, 11]; break;\n case 7: pixelRatio = [20, 11]; break;\n case 8: pixelRatio = [32, 11]; break;\n case 9: pixelRatio = [80, 33]; break;\n case 10: pixelRatio = [18, 11]; break;\n case 11: pixelRatio = [15, 11]; break;\n case 12: pixelRatio = [64, 33]; break;\n case 13: pixelRatio = [160, 99]; break;\n case 14: pixelRatio = [4, 3]; break;\n case 15: pixelRatio = [3, 2]; break;\n case 16: pixelRatio = [2, 1]; break;\n case 255: {\n pixelRatio = [readUByte() << 8 | readUByte(), readUByte() << 8 | readUByte()];\n break;\n }\n }\n }\n }\n return {\n width: Math.ceil((((picWidthInMbsMinus1 + 1) * 16) - frameCropLeftOffset * 2 - frameCropRightOffset * 2)),\n height: ((2 - frameMbsOnlyFlag) * (picHeightInMapUnitsMinus1 + 1) * 16) - ((frameMbsOnlyFlag ? 2 : 4) * (frameCropTopOffset + frameCropBottomOffset)),\n pixelRatio: pixelRatio\n };\n }\n\n readSliceType () {\n // skip NALu type\n this.readUByte();\n // discard first_mb_in_slice\n this.readUEG();\n // return slice_type\n return this.readUEG();\n }\n}\n\nexport default ExpGolomb;\n","/**\n * SAMPLE-AES decrypter\n*/\n\nimport Decrypter from '../crypt/decrypter';\n\nclass SampleAesDecrypter {\n constructor (observer, config, decryptdata, discardEPB) {\n this.decryptdata = decryptdata;\n this.discardEPB = discardEPB;\n this.decrypter = new Decrypter(observer, config, { removePKCS7Padding: false });\n }\n\n decryptBuffer (encryptedData, callback) {\n this.decrypter.decrypt(encryptedData, this.decryptdata.key.buffer, this.decryptdata.iv.buffer, callback);\n }\n\n // AAC - encrypt all full 16 bytes blocks starting from offset 16\n decryptAacSample (samples, sampleIndex, callback, sync) {\n let curUnit = samples[sampleIndex].unit;\n let encryptedData = curUnit.subarray(16, curUnit.length - curUnit.length % 16);\n let encryptedBuffer = encryptedData.buffer.slice(\n encryptedData.byteOffset,\n encryptedData.byteOffset + encryptedData.length);\n\n let localthis = this;\n this.decryptBuffer(encryptedBuffer, function (decryptedData) {\n decryptedData = new Uint8Array(decryptedData);\n curUnit.set(decryptedData, 16);\n\n if (!sync) {\n localthis.decryptAacSamples(samples, sampleIndex + 1, callback);\n }\n });\n }\n\n decryptAacSamples (samples, sampleIndex, callback) {\n for (;; sampleIndex++) {\n if (sampleIndex >= samples.length) {\n callback();\n return;\n }\n\n if (samples[sampleIndex].unit.length < 32) {\n continue;\n }\n\n let sync = this.decrypter.isSync();\n\n this.decryptAacSample(samples, sampleIndex, callback, sync);\n\n if (!sync) {\n return;\n }\n }\n }\n\n // AVC - encrypt one 16 bytes block out of ten, starting from offset 32\n getAvcEncryptedData (decodedData) {\n let encryptedDataLen = Math.floor((decodedData.length - 48) / 160) * 16 + 16;\n let encryptedData = new Int8Array(encryptedDataLen);\n let outputPos = 0;\n for (let inputPos = 32; inputPos <= decodedData.length - 16; inputPos += 160, outputPos += 16) {\n encryptedData.set(decodedData.subarray(inputPos, inputPos + 16), outputPos);\n }\n\n return encryptedData;\n }\n\n getAvcDecryptedUnit (decodedData, decryptedData) {\n decryptedData = new Uint8Array(decryptedData);\n let inputPos = 0;\n for (let outputPos = 32; outputPos <= decodedData.length - 16; outputPos += 160, inputPos += 16) {\n decodedData.set(decryptedData.subarray(inputPos, inputPos + 16), outputPos);\n }\n\n return decodedData;\n }\n\n decryptAvcSample (samples, sampleIndex, unitIndex, callback, curUnit, sync) {\n let decodedData = this.discardEPB(curUnit.data);\n let encryptedData = this.getAvcEncryptedData(decodedData);\n let localthis = this;\n\n this.decryptBuffer(encryptedData.buffer, function (decryptedData) {\n curUnit.data = localthis.getAvcDecryptedUnit(decodedData, decryptedData);\n\n if (!sync) {\n localthis.decryptAvcSamples(samples, sampleIndex, unitIndex + 1, callback);\n }\n });\n }\n\n decryptAvcSamples (samples, sampleIndex, unitIndex, callback) {\n for (;; sampleIndex++, unitIndex = 0) {\n if (sampleIndex >= samples.length) {\n callback();\n return;\n }\n\n let curUnits = samples[sampleIndex].units;\n for (;; unitIndex++) {\n if (unitIndex >= curUnits.length) {\n break;\n }\n\n let curUnit = curUnits[unitIndex];\n if (curUnit.length <= 48 || (curUnit.type !== 1 && curUnit.type !== 5)) {\n continue;\n }\n\n let sync = this.decrypter.isSync();\n\n this.decryptAvcSample(samples, sampleIndex, unitIndex, callback, curUnit, sync);\n\n if (!sync) {\n return;\n }\n }\n }\n }\n}\n\nexport default SampleAesDecrypter;\n","/**\n * highly optimized TS demuxer:\n * parse PAT, PMT\n * extract PES packet from audio and video PIDs\n * extract AVC/H264 NAL units and AAC/ADTS samples from PES packet\n * trigger the remuxer upon parsing completion\n * it also tries to workaround as best as it can audio codec switch (HE-AAC to AAC and vice versa), without having to restart the MediaSource.\n * it also controls the remuxing process :\n * upon discontinuity or level switch detection, it will also notifies the remuxer so that it can reset its state.\n*/\n\nimport * as ADTS from './adts';\nimport MpegAudio from './mpegaudio';\nimport Event from '../events';\nimport ExpGolomb from './exp-golomb';\nimport SampleAesDecrypter from './sample-aes';\n// import Hex from '../utils/hex';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { utf8ArrayToStr } from './id3';\n\n// We are using fixed track IDs for driving the MP4 remuxer\n// instead of following the TS PIDs.\n// There is no reason not to do this and some browsers/SourceBuffer-demuxers\n// may not like if there are TrackID \"switches\"\n// See https://github.com/video-dev/hls.js/issues/1331\n// Here we are mapping our internal track types to constant MP4 track IDs\n// With MSE currently one can only have one track of each, and we are muxing\n// whatever video/audio rendition in them.\nconst RemuxerTrackIdConfig = {\n video: 1,\n audio: 2,\n id3: 3,\n text: 4\n};\n\nclass TSDemuxer {\n constructor (observer, remuxer, config, typeSupported) {\n this.observer = observer;\n this.config = config;\n this.typeSupported = typeSupported;\n this.remuxer = remuxer;\n this.sampleAes = null;\n }\n\n setDecryptData (decryptdata) {\n if ((decryptdata != null) && (decryptdata.key != null) && (decryptdata.method === 'SAMPLE-AES')) {\n this.sampleAes = new SampleAesDecrypter(this.observer, this.config, decryptdata, this.discardEPB);\n } else {\n this.sampleAes = null;\n }\n }\n\n static probe (data) {\n const syncOffset = TSDemuxer._syncOffset(data);\n if (syncOffset < 0) {\n return false;\n } else {\n if (syncOffset) {\n logger.warn(`MPEG2-TS detected but first sync word found @ offset ${syncOffset}, junk ahead ?`);\n }\n\n return true;\n }\n }\n\n static _syncOffset (data) {\n // scan 1000 first bytes\n const scanwindow = Math.min(1000, data.length - 3 * 188);\n let i = 0;\n while (i < scanwindow) {\n // a TS fragment should contain at least 3 TS packets, a PAT, a PMT, and one PID, each starting with 0x47\n if (data[i] === 0x47 && data[i + 188] === 0x47 && data[i + 2 * 188] === 0x47) {\n return i;\n } else {\n i++;\n }\n }\n return -1;\n }\n\n /**\n * Creates a track model internal to demuxer used to drive remuxing input\n *\n * @param {string} type 'audio' | 'video' | 'id3' | 'text'\n * @param {number} duration\n * @return {object} TSDemuxer's internal track model\n */\n static createTrack (type, duration) {\n return {\n container: type === 'video' || type === 'audio' ? 'video/mp2t' : undefined,\n type,\n id: RemuxerTrackIdConfig[type],\n pid: -1,\n inputTimeScale: 90000,\n sequenceNumber: 0,\n samples: [],\n dropped: type === 'video' ? 0 : undefined,\n isAAC: type === 'audio' ? true : undefined,\n duration: type === 'audio' ? duration : undefined\n };\n }\n\n /**\n * Initializes a new init segment on the demuxer/remuxer interface. Needed for discontinuities/track-switches (or at stream start)\n * Resets all internal track instances of the demuxer.\n *\n * @override Implements generic demuxing/remuxing interface (see DemuxerInline)\n * @param {object} initSegment\n * @param {string} audioCodec\n * @param {string} videoCodec\n * @param {number} duration (in TS timescale = 90kHz)\n */\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this.pmtParsed = false;\n this._pmtId = -1;\n\n this._avcTrack = TSDemuxer.createTrack('video', duration);\n this._audioTrack = TSDemuxer.createTrack('audio', duration);\n this._id3Track = TSDemuxer.createTrack('id3', duration);\n this._txtTrack = TSDemuxer.createTrack('text', duration);\n\n // flush any partial content\n this.aacOverFlow = null;\n this.aacLastPTS = null;\n this.avcSample = null;\n this.audioCodec = audioCodec;\n this.videoCodec = videoCodec;\n this._duration = duration;\n }\n\n /**\n *\n * @override\n */\n resetTimeStamp () {}\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let start, len = data.length, stt, pid, atf, offset, pes,\n unknownPIDs = false;\n this.contiguous = contiguous;\n let pmtParsed = this.pmtParsed,\n avcTrack = this._avcTrack,\n audioTrack = this._audioTrack,\n id3Track = this._id3Track,\n avcId = avcTrack.pid,\n audioId = audioTrack.pid,\n id3Id = id3Track.pid,\n pmtId = this._pmtId,\n avcData = avcTrack.pesData,\n audioData = audioTrack.pesData,\n id3Data = id3Track.pesData,\n parsePAT = this._parsePAT,\n parsePMT = this._parsePMT,\n parsePES = this._parsePES,\n parseAVCPES = this._parseAVCPES.bind(this),\n parseAACPES = this._parseAACPES.bind(this),\n parseMPEGPES = this._parseMPEGPES.bind(this),\n parseID3PES = this._parseID3PES.bind(this);\n\n const syncOffset = TSDemuxer._syncOffset(data);\n\n // don't parse last TS packet if incomplete\n len -= (len + syncOffset) % 188;\n\n // loop through TS packets\n for (start = syncOffset; start < len; start += 188) {\n if (data[start] === 0x47) {\n stt = !!(data[start + 1] & 0x40);\n // pid is a 13-bit field starting at the last bit of TS[1]\n pid = ((data[start + 1] & 0x1f) << 8) + data[start + 2];\n atf = (data[start + 3] & 0x30) >> 4;\n // if an adaption field is present, its length is specified by the fifth byte of the TS packet header.\n if (atf > 1) {\n offset = start + 5 + data[start + 4];\n // continue if there is only adaptation field\n if (offset === (start + 188)) {\n continue;\n }\n } else {\n offset = start + 4;\n }\n switch (pid) {\n case avcId:\n if (stt) {\n if (avcData && (pes = parsePES(avcData))) {\n parseAVCPES(pes, false);\n }\n\n avcData = { data: [], size: 0 };\n }\n if (avcData) {\n avcData.data.push(data.subarray(offset, start + 188));\n avcData.size += start + 188 - offset;\n }\n break;\n case audioId:\n if (stt) {\n if (audioData && (pes = parsePES(audioData))) {\n if (audioTrack.isAAC) {\n parseAACPES(pes);\n } else {\n parseMPEGPES(pes);\n }\n }\n audioData = { data: [], size: 0 };\n }\n if (audioData) {\n audioData.data.push(data.subarray(offset, start + 188));\n audioData.size += start + 188 - offset;\n }\n break;\n case id3Id:\n if (stt) {\n if (id3Data && (pes = parsePES(id3Data))) {\n parseID3PES(pes);\n }\n\n id3Data = { data: [], size: 0 };\n }\n if (id3Data) {\n id3Data.data.push(data.subarray(offset, start + 188));\n id3Data.size += start + 188 - offset;\n }\n break;\n case 0:\n if (stt) {\n offset += data[offset] + 1;\n }\n\n pmtId = this._pmtId = parsePAT(data, offset);\n break;\n case pmtId:\n if (stt) {\n offset += data[offset] + 1;\n }\n\n let parsedPIDs = parsePMT(data, offset, this.typeSupported.mpeg === true || this.typeSupported.mp3 === true, this.sampleAes != null);\n\n // only update track id if track PID found while parsing PMT\n // this is to avoid resetting the PID to -1 in case\n // track PID transiently disappears from the stream\n // this could happen in case of transient missing audio samples for example\n // NOTE this is only the PID of the track as found in TS,\n // but we are not using this for MP4 track IDs.\n avcId = parsedPIDs.avc;\n if (avcId > 0) {\n avcTrack.pid = avcId;\n }\n\n audioId = parsedPIDs.audio;\n if (audioId > 0) {\n audioTrack.pid = audioId;\n audioTrack.isAAC = parsedPIDs.isAAC;\n }\n id3Id = parsedPIDs.id3;\n if (id3Id > 0) {\n id3Track.pid = id3Id;\n }\n\n if (unknownPIDs && !pmtParsed) {\n logger.log('reparse from beginning');\n unknownPIDs = false;\n // we set it to -188, the += 188 in the for loop will reset start to 0\n start = syncOffset - 188;\n }\n pmtParsed = this.pmtParsed = true;\n break;\n case 17:\n case 0x1fff:\n break;\n default:\n unknownPIDs = true;\n break;\n }\n } else {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: false, reason: 'TS packet did not start with 0x47' });\n }\n }\n // try to parse last PES packets\n if (avcData && (pes = parsePES(avcData))) {\n parseAVCPES(pes, true);\n avcTrack.pesData = null;\n } else {\n // either avcData null or PES truncated, keep it for next frag parsing\n avcTrack.pesData = avcData;\n }\n\n if (audioData && (pes = parsePES(audioData))) {\n if (audioTrack.isAAC) {\n parseAACPES(pes);\n } else {\n parseMPEGPES(pes);\n }\n\n audioTrack.pesData = null;\n } else {\n if (audioData && audioData.size) {\n logger.log('last AAC PES packet truncated,might overlap between fragments');\n }\n\n // either audioData null or PES truncated, keep it for next frag parsing\n audioTrack.pesData = audioData;\n }\n\n if (id3Data && (pes = parsePES(id3Data))) {\n parseID3PES(pes);\n id3Track.pesData = null;\n } else {\n // either id3Data null or PES truncated, keep it for next frag parsing\n id3Track.pesData = id3Data;\n }\n\n if (this.sampleAes == null) {\n this.remuxer.remux(audioTrack, avcTrack, id3Track, this._txtTrack, timeOffset, contiguous, accurateTimeOffset);\n } else {\n this.decryptAndRemux(audioTrack, avcTrack, id3Track, this._txtTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n decryptAndRemux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n if (audioTrack.samples && audioTrack.isAAC) {\n let localthis = this;\n this.sampleAes.decryptAacSamples(audioTrack.samples, 0, function () {\n localthis.decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n });\n } else {\n this.decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n decryptAndRemuxAvc (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n if (videoTrack.samples) {\n let localthis = this;\n this.sampleAes.decryptAvcSamples(videoTrack.samples, 0, 0, function () {\n localthis.remuxer.remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n });\n } else {\n this.remuxer.remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n destroy () {\n this._initPTS = this._initDTS = undefined;\n this._duration = 0;\n }\n\n _parsePAT (data, offset) {\n // skip the PSI header and parse the first PMT entry\n return (data[offset + 10] & 0x1F) << 8 | data[offset + 11];\n // logger.log('PMT PID:' + this._pmtId);\n }\n\n _parsePMT (data, offset, mpegSupported, isSampleAes) {\n let sectionLength, tableEnd, programInfoLength, pid, result = { audio: -1, avc: -1, id3: -1, isAAC: true };\n sectionLength = (data[offset + 1] & 0x0f) << 8 | data[offset + 2];\n tableEnd = offset + 3 + sectionLength - 4;\n // to determine where the table is, we have to figure out how\n // long the program info descriptors are\n programInfoLength = (data[offset + 10] & 0x0f) << 8 | data[offset + 11];\n // advance the offset to the first entry in the mapping table\n offset += 12 + programInfoLength;\n while (offset < tableEnd) {\n pid = (data[offset + 1] & 0x1F) << 8 | data[offset + 2];\n switch (data[offset]) {\n case 0xcf: // SAMPLE-AES AAC\n if (!isSampleAes) {\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n /* falls through */\n\n // ISO/IEC 13818-7 ADTS AAC (MPEG-2 lower bit-rate audio)\n case 0x0f:\n // logger.log('AAC PID:' + pid);\n if (result.audio === -1) {\n result.audio = pid;\n }\n\n break;\n\n // Packetized metadata (ID3)\n case 0x15:\n // logger.log('ID3 PID:' + pid);\n if (result.id3 === -1) {\n result.id3 = pid;\n }\n\n break;\n\n case 0xdb: // SAMPLE-AES AVC\n if (!isSampleAes) {\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n /* falls through */\n\n // ITU-T Rec. H.264 and ISO/IEC 14496-10 (lower bit-rate video)\n case 0x1b:\n // logger.log('AVC PID:' + pid);\n if (result.avc === -1) {\n result.avc = pid;\n }\n\n break;\n\n // ISO/IEC 11172-3 (MPEG-1 audio)\n // or ISO/IEC 13818-3 (MPEG-2 halved sample rate audio)\n case 0x03:\n case 0x04:\n // logger.log('MPEG PID:' + pid);\n if (!mpegSupported) {\n logger.log('MPEG audio found, not supported in this browser for now');\n } else if (result.audio === -1) {\n result.audio = pid;\n result.isAAC = false;\n }\n break;\n\n case 0x24:\n logger.warn('HEVC stream type found, not supported for now');\n break;\n\n default:\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n // move to the next table entry\n // skip past the elementary stream descriptors, if present\n offset += ((data[offset + 3] & 0x0F) << 8 | data[offset + 4]) + 5;\n }\n return result;\n }\n\n _parsePES (stream) {\n let i = 0, frag, pesFlags, pesPrefix, pesLen, pesHdrLen, pesData, pesPts, pesDts, payloadStartOffset, data = stream.data;\n // safety check\n if (!stream || stream.size === 0) {\n return null;\n }\n\n // we might need up to 19 bytes to read PES header\n // if first chunk of data is less than 19 bytes, let's merge it with following ones until we get 19 bytes\n // usually only one merge is needed (and this is rare ...)\n while (data[0].length < 19 && data.length > 1) {\n let newData = new Uint8Array(data[0].length + data[1].length);\n newData.set(data[0]);\n newData.set(data[1], data[0].length);\n data[0] = newData;\n data.splice(1, 1);\n }\n // retrieve PTS/DTS from first fragment\n frag = data[0];\n pesPrefix = (frag[0] << 16) + (frag[1] << 8) + frag[2];\n if (pesPrefix === 1) {\n pesLen = (frag[4] << 8) + frag[5];\n // if PES parsed length is not zero and greater than total received length, stop parsing. PES might be truncated\n // minus 6 : PES header size\n if (pesLen && pesLen > stream.size - 6) {\n return null;\n }\n\n pesFlags = frag[7];\n if (pesFlags & 0xC0) {\n /* PES header described here : http://dvd.sourceforge.net/dvdinfo/pes-hdr.html\n as PTS / DTS is 33 bit we cannot use bitwise operator in JS,\n as Bitwise operators treat their operands as a sequence of 32 bits */\n pesPts = (frag[9] & 0x0E) * 536870912 +// 1 << 29\n (frag[10] & 0xFF) * 4194304 +// 1 << 22\n (frag[11] & 0xFE) * 16384 +// 1 << 14\n (frag[12] & 0xFF) * 128 +// 1 << 7\n (frag[13] & 0xFE) / 2;\n // check if greater than 2^32 -1\n if (pesPts > 4294967295) {\n // decrement 2^33\n pesPts -= 8589934592;\n }\n if (pesFlags & 0x40) {\n pesDts = (frag[14] & 0x0E) * 536870912 +// 1 << 29\n (frag[15] & 0xFF) * 4194304 +// 1 << 22\n (frag[16] & 0xFE) * 16384 +// 1 << 14\n (frag[17] & 0xFF) * 128 +// 1 << 7\n (frag[18] & 0xFE) / 2;\n // check if greater than 2^32 -1\n if (pesDts > 4294967295) {\n // decrement 2^33\n pesDts -= 8589934592;\n }\n if (pesPts - pesDts > 60 * 90000) {\n logger.warn(`${Math.round((pesPts - pesDts) / 90000)}s delta between PTS and DTS, align them`);\n pesPts = pesDts;\n }\n } else {\n pesDts = pesPts;\n }\n }\n pesHdrLen = frag[8];\n // 9 bytes : 6 bytes for PES header + 3 bytes for PES extension\n payloadStartOffset = pesHdrLen + 9;\n\n if (stream.size <= payloadStartOffset) {\n return null;\n }\n stream.size -= payloadStartOffset;\n // reassemble PES packet\n pesData = new Uint8Array(stream.size);\n for (let j = 0, dataLen = data.length; j < dataLen; j++) {\n frag = data[j];\n let len = frag.byteLength;\n if (payloadStartOffset) {\n if (payloadStartOffset > len) {\n // trim full frag if PES header bigger than frag\n payloadStartOffset -= len;\n continue;\n } else {\n // trim partial frag if PES header smaller than frag\n frag = frag.subarray(payloadStartOffset);\n len -= payloadStartOffset;\n payloadStartOffset = 0;\n }\n }\n pesData.set(frag, i);\n i += len;\n }\n if (pesLen) {\n // payload size : remove PES header + PES extension\n pesLen -= pesHdrLen + 3;\n }\n return { data: pesData, pts: pesPts, dts: pesDts, len: pesLen };\n } else {\n return null;\n }\n }\n\n pushAccesUnit (avcSample, avcTrack) {\n if (avcSample.units.length && avcSample.frame) {\n const samples = avcTrack.samples;\n const nbSamples = samples.length;\n // if sample does not have PTS/DTS, patch with last sample PTS/DTS\n if (isNaN(avcSample.pts)) {\n if (nbSamples) {\n const lastSample = samples[nbSamples - 1];\n avcSample.pts = lastSample.pts;\n avcSample.dts = lastSample.dts;\n } else {\n // dropping samples, no timestamp found\n avcTrack.dropped++;\n return;\n }\n }\n // only push AVC sample if starting with a keyframe is not mandatory OR\n // if keyframe already found in this fragment OR\n // keyframe found in last fragment (track.sps) AND\n // samples already appended (we already found a keyframe in this fragment) OR fragment is contiguous\n if (!this.config.forceKeyFrameOnDiscontinuity ||\n avcSample.key === true ||\n (avcTrack.sps && (nbSamples || this.contiguous))) {\n avcSample.id = nbSamples;\n samples.push(avcSample);\n } else {\n // dropped samples, track it\n avcTrack.dropped++;\n }\n }\n if (avcSample.debug.length) {\n logger.log(avcSample.pts + '/' + avcSample.dts + ':' + avcSample.debug);\n }\n }\n\n _parseAVCPES (pes, last) {\n // logger.log('parse new PES');\n let track = this._avcTrack,\n units = this._parseAVCNALu(pes.data),\n debug = false,\n expGolombDecoder,\n avcSample = this.avcSample,\n push,\n spsfound = false,\n i,\n pushAccesUnit = this.pushAccesUnit.bind(this),\n createAVCSample = function (key, pts, dts, debug) {\n return { key: key, pts: pts, dts: dts, units: [], debug: debug };\n };\n // free pes.data to save up some memory\n pes.data = null;\n\n // if new NAL units found and last sample still there, let's push ...\n // this helps parsing streams with missing AUD (only do this if AUD never found)\n if (avcSample && units.length && !track.audFound) {\n pushAccesUnit(avcSample, track);\n avcSample = this.avcSample = createAVCSample(false, pes.pts, pes.dts, '');\n }\n\n units.forEach(unit => {\n switch (unit.type) {\n // NDR\n case 1:\n push = true;\n if (!avcSample) {\n avcSample = this.avcSample = createAVCSample(true, pes.pts, pes.dts, '');\n }\n\n if (debug) {\n avcSample.debug += 'NDR ';\n }\n\n avcSample.frame = true;\n let data = unit.data;\n // only check slice type to detect KF in case SPS found in same packet (any keyframe is preceded by SPS ...)\n if (spsfound && data.length > 4) {\n // retrieve slice type by parsing beginning of NAL unit (follow H264 spec, slice_header definition) to detect keyframe embedded in NDR\n let sliceType = new ExpGolomb(data).readSliceType();\n // 2 : I slice, 4 : SI slice, 7 : I slice, 9: SI slice\n // SI slice : A slice that is coded using intra prediction only and using quantisation of the prediction samples.\n // An SI slice can be coded such that its decoded samples can be constructed identically to an SP slice.\n // I slice: A slice that is not an SI slice that is decoded using intra prediction only.\n // if (sliceType === 2 || sliceType === 7) {\n if (sliceType === 2 || sliceType === 4 || sliceType === 7 || sliceType === 9) {\n avcSample.key = true;\n }\n }\n break;\n // IDR\n case 5:\n push = true;\n // handle PES not starting with AUD\n if (!avcSample) {\n avcSample = this.avcSample = createAVCSample(true, pes.pts, pes.dts, '');\n }\n\n if (debug) {\n avcSample.debug += 'IDR ';\n }\n\n avcSample.key = true;\n avcSample.frame = true;\n break;\n // SEI\n case 6:\n push = true;\n if (debug && avcSample) {\n avcSample.debug += 'SEI ';\n }\n\n expGolombDecoder = new ExpGolomb(this.discardEPB(unit.data));\n\n // skip frameType\n expGolombDecoder.readUByte();\n\n var payloadType = 0;\n var payloadSize = 0;\n var endOfCaptions = false;\n var b = 0;\n\n while (!endOfCaptions && expGolombDecoder.bytesAvailable > 1) {\n payloadType = 0;\n do {\n b = expGolombDecoder.readUByte();\n payloadType += b;\n } while (b === 0xFF);\n\n // Parse payload size.\n payloadSize = 0;\n do {\n b = expGolombDecoder.readUByte();\n payloadSize += b;\n } while (b === 0xFF);\n\n // TODO: there can be more than one payload in an SEI packet...\n // TODO: need to read type and size in a while loop to get them all\n if (payloadType === 4 && expGolombDecoder.bytesAvailable !== 0) {\n endOfCaptions = true;\n\n let countryCode = expGolombDecoder.readUByte();\n\n if (countryCode === 181) {\n let providerCode = expGolombDecoder.readUShort();\n\n if (providerCode === 49) {\n let userStructure = expGolombDecoder.readUInt();\n\n if (userStructure === 0x47413934) {\n let userDataType = expGolombDecoder.readUByte();\n\n // Raw CEA-608 bytes wrapped in CEA-708 packet\n if (userDataType === 3) {\n let firstByte = expGolombDecoder.readUByte();\n let secondByte = expGolombDecoder.readUByte();\n\n let totalCCs = 31 & firstByte;\n let byteArray = [firstByte, secondByte];\n\n for (i = 0; i < totalCCs; i++) {\n // 3 bytes per CC\n byteArray.push(expGolombDecoder.readUByte());\n byteArray.push(expGolombDecoder.readUByte());\n byteArray.push(expGolombDecoder.readUByte());\n }\n\n this._insertSampleInOrder(this._txtTrack.samples, { type: 3, pts: pes.pts, bytes: byteArray });\n }\n }\n }\n }\n } else if (payloadType === 5 && expGolombDecoder.bytesAvailable !== 0) {\n endOfCaptions = true;\n\n if (payloadSize > 16) {\n const uuidStrArray = [];\n for (i = 0; i < 16; i++) {\n uuidStrArray.push(expGolombDecoder.readUByte().toString(16));\n\n if (i === 3 || i === 5 || i === 7 || i === 9) {\n uuidStrArray.push('-');\n }\n }\n const length = payloadSize - 16;\n const userDataPayloadBytes = new Uint8Array(length);\n for (i = 0; i < length; i++) {\n userDataPayloadBytes[i] = expGolombDecoder.readUByte();\n }\n\n this._insertSampleInOrder(this._txtTrack.samples, {\n pts: pes.pts,\n payloadType: payloadType,\n uuid: uuidStrArray.join(''),\n userDataBytes: userDataPayloadBytes,\n userData: utf8ArrayToStr(userDataPayloadBytes.buffer)\n });\n }\n } else if (payloadSize < expGolombDecoder.bytesAvailable) {\n for (i = 0; i < payloadSize; i++) {\n expGolombDecoder.readUByte();\n }\n }\n }\n break;\n // SPS\n case 7:\n push = true;\n spsfound = true;\n if (debug && avcSample) {\n avcSample.debug += 'SPS ';\n }\n\n if (!track.sps) {\n expGolombDecoder = new ExpGolomb(unit.data);\n let config = expGolombDecoder.readSPS();\n track.width = config.width;\n track.height = config.height;\n track.pixelRatio = config.pixelRatio;\n track.sps = [unit.data];\n track.duration = this._duration;\n let codecarray = unit.data.subarray(1, 4);\n let codecstring = 'avc1.';\n for (i = 0; i < 3; i++) {\n let h = codecarray[i].toString(16);\n if (h.length < 2) {\n h = '0' + h;\n }\n\n codecstring += h;\n }\n track.codec = codecstring;\n }\n break;\n // PPS\n case 8:\n push = true;\n if (debug && avcSample) {\n avcSample.debug += 'PPS ';\n }\n\n if (!track.pps) {\n track.pps = [unit.data];\n }\n\n break;\n // AUD\n case 9:\n push = false;\n track.audFound = true;\n if (avcSample) {\n pushAccesUnit(avcSample, track);\n }\n\n avcSample = this.avcSample = createAVCSample(false, pes.pts, pes.dts, debug ? 'AUD ' : '');\n break;\n // Filler Data\n case 12:\n push = false;\n break;\n default:\n push = false;\n if (avcSample) {\n avcSample.debug += 'unknown NAL ' + unit.type + ' ';\n }\n\n break;\n }\n if (avcSample && push) {\n let units = avcSample.units;\n units.push(unit);\n }\n });\n // if last PES packet, push samples\n if (last && avcSample) {\n pushAccesUnit(avcSample, track);\n this.avcSample = null;\n }\n }\n\n _insertSampleInOrder (arr, data) {\n let len = arr.length;\n if (len > 0) {\n if (data.pts >= arr[len - 1].pts) {\n arr.push(data);\n } else {\n for (let pos = len - 1; pos >= 0; pos--) {\n if (data.pts < arr[pos].pts) {\n arr.splice(pos, 0, data);\n break;\n }\n }\n }\n } else {\n arr.push(data);\n }\n }\n\n _getLastNalUnit () {\n let avcSample = this.avcSample, lastUnit;\n // try to fallback to previous sample if current one is empty\n if (!avcSample || avcSample.units.length === 0) {\n let track = this._avcTrack, samples = track.samples;\n avcSample = samples[samples.length - 1];\n }\n if (avcSample) {\n let units = avcSample.units;\n lastUnit = units[units.length - 1];\n }\n return lastUnit;\n }\n\n _parseAVCNALu (array) {\n let i = 0, len = array.byteLength, value, overflow, track = this._avcTrack, state = track.naluState || 0, lastState = state;\n let units = [], unit, unitType, lastUnitStart = -1, lastUnitType;\n // logger.log('PES:' + Hex.hexDump(array));\n\n if (state === -1) {\n // special use case where we found 3 or 4-byte start codes exactly at the end of previous PES packet\n lastUnitStart = 0;\n // NALu type is value read from offset 0\n lastUnitType = array[0] & 0x1f;\n state = 0;\n i = 1;\n }\n\n while (i < len) {\n value = array[i++];\n // optimization. state 0 and 1 are the predominant case. let's handle them outside of the switch/case\n if (!state) {\n state = value ? 0 : 1;\n continue;\n }\n if (state === 1) {\n state = value ? 0 : 2;\n continue;\n }\n // here we have state either equal to 2 or 3\n if (!value) {\n state = 3;\n } else if (value === 1) {\n if (lastUnitStart >= 0) {\n unit = { data: array.subarray(lastUnitStart, i - state - 1), type: lastUnitType };\n // logger.log('pushing NALU, type/size:' + unit.type + '/' + unit.data.byteLength);\n units.push(unit);\n } else {\n // lastUnitStart is undefined => this is the first start code found in this PES packet\n // first check if start code delimiter is overlapping between 2 PES packets,\n // ie it started in last packet (lastState not zero)\n // and ended at the beginning of this PES packet (i <= 4 - lastState)\n let lastUnit = this._getLastNalUnit();\n if (lastUnit) {\n if (lastState && (i <= 4 - lastState)) {\n // start delimiter overlapping between PES packets\n // strip start delimiter bytes from the end of last NAL unit\n // check if lastUnit had a state different from zero\n if (lastUnit.state) {\n // strip last bytes\n lastUnit.data = lastUnit.data.subarray(0, lastUnit.data.byteLength - lastState);\n }\n }\n // If NAL units are not starting right at the beginning of the PES packet, push preceding data into previous NAL unit.\n overflow = i - state - 1;\n if (overflow > 0) {\n // logger.log('first NALU found with overflow:' + overflow);\n let tmp = new Uint8Array(lastUnit.data.byteLength + overflow);\n tmp.set(lastUnit.data, 0);\n tmp.set(array.subarray(0, overflow), lastUnit.data.byteLength);\n lastUnit.data = tmp;\n }\n }\n }\n // check if we can read unit type\n if (i < len) {\n unitType = array[i] & 0x1f;\n // logger.log('find NALU @ offset:' + i + ',type:' + unitType);\n lastUnitStart = i;\n lastUnitType = unitType;\n state = 0;\n } else {\n // not enough byte to read unit type. let's read it on next PES parsing\n state = -1;\n }\n } else {\n state = 0;\n }\n }\n if (lastUnitStart >= 0 && state >= 0) {\n unit = { data: array.subarray(lastUnitStart, len), type: lastUnitType, state: state };\n units.push(unit);\n // logger.log('pushing NALU, type/size/state:' + unit.type + '/' + unit.data.byteLength + '/' + state);\n }\n // no NALu found\n if (units.length === 0) {\n // append pes.data to previous NAL unit\n let lastUnit = this._getLastNalUnit();\n if (lastUnit) {\n let tmp = new Uint8Array(lastUnit.data.byteLength + array.byteLength);\n tmp.set(lastUnit.data, 0);\n tmp.set(array, lastUnit.data.byteLength);\n lastUnit.data = tmp;\n }\n }\n track.naluState = state;\n return units;\n }\n\n /**\n * remove Emulation Prevention bytes from a RBSP\n */\n discardEPB (data) {\n let length = data.byteLength,\n EPBPositions = [],\n i = 1,\n newLength, newData;\n\n // Find all `Emulation Prevention Bytes`\n while (i < length - 2) {\n if (data[i] === 0 &&\n data[i + 1] === 0 &&\n data[i + 2] === 0x03) {\n EPBPositions.push(i + 2);\n i += 2;\n } else {\n i++;\n }\n }\n\n // If no Emulation Prevention Bytes were found just return the original\n // array\n if (EPBPositions.length === 0) {\n return data;\n }\n\n // Create a new array to hold the NAL unit data\n newLength = length - EPBPositions.length;\n newData = new Uint8Array(newLength);\n let sourceIndex = 0;\n\n for (i = 0; i < newLength; sourceIndex++, i++) {\n if (sourceIndex === EPBPositions[0]) {\n // Skip this byte\n sourceIndex++;\n // Remove this position index\n EPBPositions.shift();\n }\n newData[i] = data[sourceIndex];\n }\n return newData;\n }\n\n _parseAACPES (pes) {\n let track = this._audioTrack,\n data = pes.data,\n pts = pes.pts,\n startOffset = 0,\n aacOverFlow = this.aacOverFlow,\n aacLastPTS = this.aacLastPTS,\n frameDuration, frameIndex, offset, stamp, len;\n if (aacOverFlow) {\n let tmp = new Uint8Array(aacOverFlow.byteLength + data.byteLength);\n tmp.set(aacOverFlow, 0);\n tmp.set(data, aacOverFlow.byteLength);\n // logger.log(`AAC: append overflowing ${aacOverFlow.byteLength} bytes to beginning of new PES`);\n data = tmp;\n }\n // look for ADTS header (0xFFFx)\n for (offset = startOffset, len = data.length; offset < len - 1; offset++) {\n if (ADTS.isHeader(data, offset)) {\n break;\n }\n }\n // if ADTS header does not start straight from the beginning of the PES payload, raise an error\n if (offset) {\n let reason, fatal;\n if (offset < len - 1) {\n reason = `AAC PES did not start with ADTS header,offset:${offset}`;\n fatal = false;\n } else {\n reason = 'no ADTS header found in AAC PES';\n fatal = true;\n }\n logger.warn(`parsing error:${reason}`);\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: fatal, reason: reason });\n if (fatal) {\n return;\n }\n }\n\n ADTS.initTrackConfig(track, this.observer, data, offset, this.audioCodec);\n frameIndex = 0;\n frameDuration = ADTS.getFrameDuration(track.samplerate);\n\n // if last AAC frame is overflowing, we should ensure timestamps are contiguous:\n // first sample PTS should be equal to last sample PTS + frameDuration\n if (aacOverFlow && aacLastPTS) {\n let newPTS = aacLastPTS + frameDuration;\n if (Math.abs(newPTS - pts) > 1) {\n logger.log(`AAC: align PTS for overlapping frames by ${Math.round((newPTS - pts) / 90)}`);\n pts = newPTS;\n }\n }\n\n // scan for aac samples\n while (offset < len) {\n if (ADTS.isHeader(data, offset)) {\n if ((offset + 5) < len) {\n const frame = ADTS.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n continue;\n }\n }\n // We are at an ADTS header, but do not have enough data for a frame\n // Remaining data will be added to aacOverFlow\n break;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n if (offset < len) {\n aacOverFlow = data.subarray(offset, len);\n // logger.log(`AAC: overflow detected:${len-offset}`);\n } else {\n aacOverFlow = null;\n }\n\n this.aacOverFlow = aacOverFlow;\n this.aacLastPTS = stamp;\n }\n\n _parseMPEGPES (pes) {\n let data = pes.data;\n let length = data.length;\n let frameIndex = 0;\n let offset = 0;\n let pts = pes.pts;\n\n while (offset < length) {\n if (MpegAudio.isHeader(data, offset)) {\n let frame = MpegAudio.appendFrame(this._audioTrack, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n frameIndex++;\n } else {\n // logger.log('Unable to parse Mpeg audio frame');\n break;\n }\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n }\n\n _parseID3PES (pes) {\n this._id3Track.samples.push(pes);\n }\n}\n\nexport default TSDemuxer;\n","/**\n * MP3 demuxer\n */\nimport ID3 from '../demux/id3';\nimport { logger } from '../utils/logger';\nimport MpegAudio from './mpegaudio';\n\nclass MP3Demuxer {\n constructor (observer, remuxer, config) {\n this.observer = observer;\n this.config = config;\n this.remuxer = remuxer;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this._audioTrack = { container: 'audio/mpeg', type: 'audio', id: -1, sequenceNumber: 0, isAAC: false, samples: [], len: 0, manifestCodec: audioCodec, duration: duration, inputTimeScale: 90000 };\n }\n\n resetTimeStamp () {\n }\n\n static probe (data) {\n // check if data contains ID3 timestamp and MPEG sync word\n let offset, length;\n let id3Data = ID3.getID3Data(data, 0);\n if (id3Data && ID3.getTimeStamp(id3Data) !== undefined) {\n // Look for MPEG header | 1111 1111 | 111X XYZX | where X can be either 0 or 1 and Y or Z should be 1\n // Layer bits (position 14 and 15) in header should be always different from 0 (Layer I or Layer II or Layer III)\n // More info http://www.mp3-tech.org/programmer/frame_header.html\n for (offset = id3Data.length, length = Math.min(data.length - 1, offset + 100); offset < length; offset++) {\n if (MpegAudio.probe(data, offset)) {\n logger.log('MPEG Audio sync word found !');\n return true;\n }\n }\n }\n return false;\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let id3Data = ID3.getID3Data(data, 0);\n let timestamp = ID3.getTimeStamp(id3Data);\n let pts = timestamp ? 90 * timestamp : timeOffset * 90000;\n let offset = id3Data.length;\n let length = data.length;\n let frameIndex = 0, stamp = 0;\n let track = this._audioTrack;\n\n let id3Samples = [{ pts: pts, dts: pts, data: id3Data }];\n\n while (offset < length) {\n if (MpegAudio.isHeader(data, offset)) {\n let frame = MpegAudio.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n } else {\n // logger.log('Unable to parse Mpeg audio frame');\n break;\n }\n } else if (ID3.isHeader(data, offset)) {\n id3Data = ID3.getID3Data(data, offset);\n id3Samples.push({ pts: stamp, dts: stamp, data: id3Data });\n offset += id3Data.length;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n this.remuxer.remux(track,\n { samples: [] },\n { samples: id3Samples, inputTimeScale: 90000 },\n { samples: [] },\n timeOffset,\n contiguous,\n accurateTimeOffset);\n }\n\n destroy () {\n }\n}\n\nexport default MP3Demuxer;\n","/**\n * AAC helper\n */\n\nclass AAC {\n static getSilentFrame (codec, channelCount) {\n switch (codec) {\n case 'mp4a.40.2':\n if (channelCount === 1) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x23, 0x80]);\n } else if (channelCount === 2) {\n return new Uint8Array([0x21, 0x00, 0x49, 0x90, 0x02, 0x19, 0x00, 0x23, 0x80]);\n } else if (channelCount === 3) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x8e]);\n } else if (channelCount === 4) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x80, 0x2c, 0x80, 0x08, 0x02, 0x38]);\n } else if (channelCount === 5) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x38]);\n } else if (channelCount === 6) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x00, 0xb2, 0x00, 0x20, 0x08, 0xe0]);\n }\n\n break;\n // handle HE-AAC below (mp4a.40.5 / mp4a.40.29)\n default:\n if (channelCount === 1) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0:d=0.05\" -c:a libfdk_aac -profile:a aac_he -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x4e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x1c, 0x6, 0xf1, 0xc1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n } else if (channelCount === 2) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0|0:d=0.05\" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n } else if (channelCount === 3) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0|0|0:d=0.05\" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n }\n break;\n }\n return null;\n }\n}\n\nexport default AAC;\n","/**\n * Generate MP4 Box\n*/\n\nconst UINT32_MAX = Math.pow(2, 32) - 1;\n\nclass MP4 {\n static init () {\n MP4.types = {\n avc1: [], // codingname\n avcC: [],\n btrt: [],\n dinf: [],\n dref: [],\n esds: [],\n ftyp: [],\n hdlr: [],\n mdat: [],\n mdhd: [],\n mdia: [],\n mfhd: [],\n minf: [],\n moof: [],\n moov: [],\n mp4a: [],\n '.mp3': [],\n mvex: [],\n mvhd: [],\n pasp: [],\n sdtp: [],\n stbl: [],\n stco: [],\n stsc: [],\n stsd: [],\n stsz: [],\n stts: [],\n tfdt: [],\n tfhd: [],\n traf: [],\n trak: [],\n trun: [],\n trex: [],\n tkhd: [],\n vmhd: [],\n smhd: []\n };\n\n let i;\n for (i in MP4.types) {\n if (MP4.types.hasOwnProperty(i)) {\n MP4.types[i] = [\n i.charCodeAt(0),\n i.charCodeAt(1),\n i.charCodeAt(2),\n i.charCodeAt(3)\n ];\n }\n }\n\n let videoHdlr = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0x76, 0x69, 0x64, 0x65, // handler_type: 'vide'\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x56, 0x69, 0x64, 0x65,\n 0x6f, 0x48, 0x61, 0x6e,\n 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'VideoHandler'\n ]);\n\n let audioHdlr = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0x73, 0x6f, 0x75, 0x6e, // handler_type: 'soun'\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x53, 0x6f, 0x75, 0x6e,\n 0x64, 0x48, 0x61, 0x6e,\n 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'SoundHandler'\n ]);\n\n MP4.HDLR_TYPES = {\n 'video': videoHdlr,\n 'audio': audioHdlr\n };\n\n let dref = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x01, // entry_count\n 0x00, 0x00, 0x00, 0x0c, // entry_size\n 0x75, 0x72, 0x6c, 0x20, // 'url' type\n 0x00, // version 0\n 0x00, 0x00, 0x01 // entry_flags\n ]);\n\n let stco = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00 // entry_count\n ]);\n\n MP4.STTS = MP4.STSC = MP4.STCO = stco;\n\n MP4.STSZ = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // sample_size\n 0x00, 0x00, 0x00, 0x00 // sample_count\n ]);\n MP4.VMHD = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x01, // flags\n 0x00, 0x00, // graphicsmode\n 0x00, 0x00,\n 0x00, 0x00,\n 0x00, 0x00 // opcolor\n ]);\n MP4.SMHD = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, // balance\n 0x00, 0x00 // reserved\n ]);\n\n MP4.STSD = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x01]);// entry_count\n\n let majorBrand = new Uint8Array([105, 115, 111, 109]); // isom\n let avc1Brand = new Uint8Array([97, 118, 99, 49]); // avc1\n let minorVersion = new Uint8Array([0, 0, 0, 1]);\n\n MP4.FTYP = MP4.box(MP4.types.ftyp, majorBrand, minorVersion, majorBrand, avc1Brand);\n MP4.DINF = MP4.box(MP4.types.dinf, MP4.box(MP4.types.dref, dref));\n }\n\n static box (type) {\n let\n payload = Array.prototype.slice.call(arguments, 1),\n size = 8,\n i = payload.length,\n len = i,\n result;\n // calculate the total size we need to allocate\n while (i--) {\n size += payload[i].byteLength;\n }\n\n result = new Uint8Array(size);\n result[0] = (size >> 24) & 0xff;\n result[1] = (size >> 16) & 0xff;\n result[2] = (size >> 8) & 0xff;\n result[3] = size & 0xff;\n result.set(type, 4);\n // copy the payload into the result\n for (i = 0, size = 8; i < len; i++) {\n // copy payload[i] array @ offset size\n result.set(payload[i], size);\n size += payload[i].byteLength;\n }\n return result;\n }\n\n static hdlr (type) {\n return MP4.box(MP4.types.hdlr, MP4.HDLR_TYPES[type]);\n }\n\n static mdat (data) {\n return MP4.box(MP4.types.mdat, data);\n }\n\n static mdhd (timescale, duration) {\n duration *= timescale;\n const upperWordDuration = Math.floor(duration / (UINT32_MAX + 1));\n const lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n return MP4.box(MP4.types.mdhd, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (timescale >> 24) & 0xFF,\n (timescale >> 16) & 0xFF,\n (timescale >> 8) & 0xFF,\n timescale & 0xFF, // timescale\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x55, 0xc4, // 'und' language (undetermined)\n 0x00, 0x00\n ]));\n }\n\n static mdia (track) {\n return MP4.box(MP4.types.mdia, MP4.mdhd(track.timescale, track.duration), MP4.hdlr(track.type), MP4.minf(track));\n }\n\n static mfhd (sequenceNumber) {\n return MP4.box(MP4.types.mfhd, new Uint8Array([\n 0x00,\n 0x00, 0x00, 0x00, // flags\n (sequenceNumber >> 24),\n (sequenceNumber >> 16) & 0xFF,\n (sequenceNumber >> 8) & 0xFF,\n sequenceNumber & 0xFF // sequence_number\n ]));\n }\n\n static minf (track) {\n if (track.type === 'audio') {\n return MP4.box(MP4.types.minf, MP4.box(MP4.types.smhd, MP4.SMHD), MP4.DINF, MP4.stbl(track));\n } else {\n return MP4.box(MP4.types.minf, MP4.box(MP4.types.vmhd, MP4.VMHD), MP4.DINF, MP4.stbl(track));\n }\n }\n\n static moof (sn, baseMediaDecodeTime, track) {\n return MP4.box(MP4.types.moof, MP4.mfhd(sn), MP4.traf(track, baseMediaDecodeTime));\n }\n /**\n * @param tracks... (optional) {array} the tracks associated with this movie\n */\n static moov (tracks) {\n let\n i = tracks.length,\n boxes = [];\n\n while (i--) {\n boxes[i] = MP4.trak(tracks[i]);\n }\n\n return MP4.box.apply(null, [MP4.types.moov, MP4.mvhd(tracks[0].timescale, tracks[0].duration)].concat(boxes).concat(MP4.mvex(tracks)));\n }\n\n static mvex (tracks) {\n let\n i = tracks.length,\n boxes = [];\n\n while (i--) {\n boxes[i] = MP4.trex(tracks[i]);\n }\n\n return MP4.box.apply(null, [MP4.types.mvex].concat(boxes));\n }\n\n static mvhd (timescale, duration) {\n duration *= timescale;\n const upperWordDuration = Math.floor(duration / (UINT32_MAX + 1));\n const lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n let\n bytes = new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (timescale >> 24) & 0xFF,\n (timescale >> 16) & 0xFF,\n (timescale >> 8) & 0xFF,\n timescale & 0xFF, // timescale\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x00, 0x01, 0x00, 0x00, // 1.0 rate\n 0x01, 0x00, // 1.0 volume\n 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0xff, 0xff, 0xff, 0xff // next_track_ID\n ]);\n return MP4.box(MP4.types.mvhd, bytes);\n }\n\n static sdtp (track) {\n let\n samples = track.samples || [],\n bytes = new Uint8Array(4 + samples.length),\n flags,\n i;\n // leave the full box header (4 bytes) all zero\n // write the sample table\n for (i = 0; i < samples.length; i++) {\n flags = samples[i].flags;\n bytes[i + 4] = (flags.dependsOn << 4) |\n (flags.isDependedOn << 2) |\n (flags.hasRedundancy);\n }\n\n return MP4.box(MP4.types.sdtp, bytes);\n }\n\n static stbl (track) {\n return MP4.box(MP4.types.stbl, MP4.stsd(track), MP4.box(MP4.types.stts, MP4.STTS), MP4.box(MP4.types.stsc, MP4.STSC), MP4.box(MP4.types.stsz, MP4.STSZ), MP4.box(MP4.types.stco, MP4.STCO));\n }\n\n static avc1 (track) {\n let sps = [], pps = [], i, data, len;\n // assemble the SPSs\n\n for (i = 0; i < track.sps.length; i++) {\n data = track.sps[i];\n len = data.byteLength;\n sps.push((len >>> 8) & 0xFF);\n sps.push((len & 0xFF));\n\n // SPS\n sps = sps.concat(Array.prototype.slice.call(data));\n }\n\n // assemble the PPSs\n for (i = 0; i < track.pps.length; i++) {\n data = track.pps[i];\n len = data.byteLength;\n pps.push((len >>> 8) & 0xFF);\n pps.push((len & 0xFF));\n\n pps = pps.concat(Array.prototype.slice.call(data));\n }\n\n let avcc = MP4.box(MP4.types.avcC, new Uint8Array([\n 0x01, // version\n sps[3], // profile\n sps[4], // profile compat\n sps[5], // level\n 0xfc | 3, // lengthSizeMinusOne, hard-coded to 4 bytes\n 0xE0 | track.sps.length // 3bit reserved (111) + numOfSequenceParameterSets\n ].concat(sps).concat([\n track.pps.length // numOfPictureParameterSets\n ]).concat(pps))), // \"PPS\"\n width = track.width,\n height = track.height,\n hSpacing = track.pixelRatio[0],\n vSpacing = track.pixelRatio[1];\n\n return MP4.box(MP4.types.avc1, new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, // pre_defined\n 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n (width >> 8) & 0xFF,\n width & 0xff, // width\n (height >> 8) & 0xFF,\n height & 0xff, // height\n 0x00, 0x48, 0x00, 0x00, // horizresolution\n 0x00, 0x48, 0x00, 0x00, // vertresolution\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // frame_count\n 0x12,\n 0x64, 0x61, 0x69, 0x6C, // dailymotion/hls.js\n 0x79, 0x6D, 0x6F, 0x74,\n 0x69, 0x6F, 0x6E, 0x2F,\n 0x68, 0x6C, 0x73, 0x2E,\n 0x6A, 0x73, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, // compressorname\n 0x00, 0x18, // depth = 24\n 0x11, 0x11]), // pre_defined = -1\n avcc,\n MP4.box(MP4.types.btrt, new Uint8Array([\n 0x00, 0x1c, 0x9c, 0x80, // bufferSizeDB\n 0x00, 0x2d, 0xc6, 0xc0, // maxBitrate\n 0x00, 0x2d, 0xc6, 0xc0])), // avgBitrate\n MP4.box(MP4.types.pasp, new Uint8Array([\n (hSpacing >> 24), // hSpacing\n (hSpacing >> 16) & 0xFF,\n (hSpacing >> 8) & 0xFF,\n hSpacing & 0xFF,\n (vSpacing >> 24), // vSpacing\n (vSpacing >> 16) & 0xFF,\n (vSpacing >> 8) & 0xFF,\n vSpacing & 0xFF]))\n );\n }\n\n static esds (track) {\n let configlen = track.config.length;\n return new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n\n 0x03, // descriptor_type\n 0x17 + configlen, // length\n 0x00, 0x01, // es_id\n 0x00, // stream_priority\n\n 0x04, // descriptor_type\n 0x0f + configlen, // length\n 0x40, // codec : mpeg4_audio\n 0x15, // stream_type\n 0x00, 0x00, 0x00, // buffer_size\n 0x00, 0x00, 0x00, 0x00, // maxBitrate\n 0x00, 0x00, 0x00, 0x00, // avgBitrate\n\n 0x05 // descriptor_type\n ].concat([configlen]).concat(track.config).concat([0x06, 0x01, 0x02])); // GASpecificConfig)); // length + audio config descriptor\n }\n\n static mp4a (track) {\n let samplerate = track.samplerate;\n return MP4.box(MP4.types.mp4a, new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, track.channelCount, // channelcount\n 0x00, 0x10, // sampleSize:16bits\n 0x00, 0x00, 0x00, 0x00, // reserved2\n (samplerate >> 8) & 0xFF,\n samplerate & 0xff, //\n 0x00, 0x00]),\n MP4.box(MP4.types.esds, MP4.esds(track)));\n }\n\n static mp3 (track) {\n let samplerate = track.samplerate;\n return MP4.box(MP4.types['.mp3'], new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, track.channelCount, // channelcount\n 0x00, 0x10, // sampleSize:16bits\n 0x00, 0x00, 0x00, 0x00, // reserved2\n (samplerate >> 8) & 0xFF,\n samplerate & 0xff, //\n 0x00, 0x00]));\n }\n\n static stsd (track) {\n if (track.type === 'audio') {\n if (!track.isAAC && track.codec === 'mp3') {\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp3(track));\n }\n\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp4a(track));\n } else {\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.avc1(track));\n }\n }\n\n static tkhd (track) {\n let id = track.id,\n duration = track.duration * track.timescale,\n width = track.width,\n height = track.height,\n upperWordDuration = Math.floor(duration / (UINT32_MAX + 1)),\n lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n return MP4.box(MP4.types.tkhd, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x07, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (id >> 24) & 0xFF,\n (id >> 16) & 0xFF,\n (id >> 8) & 0xFF,\n id & 0xFF, // track_ID\n 0x00, 0x00, 0x00, 0x00, // reserved\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, // layer\n 0x00, 0x00, // alternate_group\n 0x00, 0x00, // non-audio track volume\n 0x00, 0x00, // reserved\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n (width >> 8) & 0xFF,\n width & 0xFF,\n 0x00, 0x00, // width\n (height >> 8) & 0xFF,\n height & 0xFF,\n 0x00, 0x00 // height\n ]));\n }\n\n static traf (track, baseMediaDecodeTime) {\n let sampleDependencyTable = MP4.sdtp(track),\n id = track.id,\n upperWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1)),\n lowerWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1));\n return MP4.box(MP4.types.traf,\n MP4.box(MP4.types.tfhd, new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n (id >> 24),\n (id >> 16) & 0XFF,\n (id >> 8) & 0XFF,\n (id & 0xFF) // track_ID\n ])),\n MP4.box(MP4.types.tfdt, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n (upperWordBaseMediaDecodeTime >> 24),\n (upperWordBaseMediaDecodeTime >> 16) & 0XFF,\n (upperWordBaseMediaDecodeTime >> 8) & 0XFF,\n (upperWordBaseMediaDecodeTime & 0xFF),\n (lowerWordBaseMediaDecodeTime >> 24),\n (lowerWordBaseMediaDecodeTime >> 16) & 0XFF,\n (lowerWordBaseMediaDecodeTime >> 8) & 0XFF,\n (lowerWordBaseMediaDecodeTime & 0xFF)\n ])),\n MP4.trun(track,\n sampleDependencyTable.length +\n 16 + // tfhd\n 20 + // tfdt\n 8 + // traf header\n 16 + // mfhd\n 8 + // moof header\n 8), // mdat header\n sampleDependencyTable);\n }\n\n /**\n * Generate a track box.\n * @param track {object} a track definition\n * @return {Uint8Array} the track box\n */\n static trak (track) {\n track.duration = track.duration || 0xffffffff;\n return MP4.box(MP4.types.trak, MP4.tkhd(track), MP4.mdia(track));\n }\n\n static trex (track) {\n let id = track.id;\n return MP4.box(MP4.types.trex, new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n (id >> 24),\n (id >> 16) & 0XFF,\n (id >> 8) & 0XFF,\n (id & 0xFF), // track_ID\n 0x00, 0x00, 0x00, 0x01, // default_sample_description_index\n 0x00, 0x00, 0x00, 0x00, // default_sample_duration\n 0x00, 0x00, 0x00, 0x00, // default_sample_size\n 0x00, 0x01, 0x00, 0x01 // default_sample_flags\n ]));\n }\n\n static trun (track, offset) {\n let samples = track.samples || [],\n len = samples.length,\n arraylen = 12 + (16 * len),\n array = new Uint8Array(arraylen),\n i, sample, duration, size, flags, cts;\n offset += 8 + arraylen;\n array.set([\n 0x00, // version 0\n 0x00, 0x0f, 0x01, // flags\n (len >>> 24) & 0xFF,\n (len >>> 16) & 0xFF,\n (len >>> 8) & 0xFF,\n len & 0xFF, // sample_count\n (offset >>> 24) & 0xFF,\n (offset >>> 16) & 0xFF,\n (offset >>> 8) & 0xFF,\n offset & 0xFF // data_offset\n ], 0);\n for (i = 0; i < len; i++) {\n sample = samples[i];\n duration = sample.duration;\n size = sample.size;\n flags = sample.flags;\n cts = sample.cts;\n array.set([\n (duration >>> 24) & 0xFF,\n (duration >>> 16) & 0xFF,\n (duration >>> 8) & 0xFF,\n duration & 0xFF, // sample_duration\n (size >>> 24) & 0xFF,\n (size >>> 16) & 0xFF,\n (size >>> 8) & 0xFF,\n size & 0xFF, // sample_size\n (flags.isLeading << 2) | flags.dependsOn,\n (flags.isDependedOn << 6) |\n (flags.hasRedundancy << 4) |\n (flags.paddingValue << 1) |\n flags.isNonSync,\n flags.degradPrio & 0xF0 << 8,\n flags.degradPrio & 0x0F, // sample_flags\n (cts >>> 24) & 0xFF,\n (cts >>> 16) & 0xFF,\n (cts >>> 8) & 0xFF,\n cts & 0xFF // sample_composition_time_offset\n ], 12 + 16 * i);\n }\n return MP4.box(MP4.types.trun, array);\n }\n\n static initSegment (tracks) {\n if (!MP4.types) {\n MP4.init();\n }\n\n let movie = MP4.moov(tracks), result;\n result = new Uint8Array(MP4.FTYP.byteLength + movie.byteLength);\n result.set(MP4.FTYP);\n result.set(movie, MP4.FTYP.byteLength);\n return result;\n }\n}\n\nexport default MP4;\n","const MPEG_TS_CLOCK_FREQ_HZ = 90000;\n\nexport function toTimescaleFromScale (value, destScale: number, srcScale: number = 1, round: boolean = false): number {\n return toTimescaleFromBase(value, destScale, 1 / srcScale);\n}\n\nexport function toTimescaleFromBase (value, destScale: number, srcBase: number = 1, round: boolean = false): number {\n const result = value * destScale * srcBase; // equivalent to `(value * scale) / (1 / base)`\n return round ? Math.round(result) : result;\n}\n\nexport function toMsFromMpegTsClock (value: number, round: boolean = false): number {\n return toTimescaleFromBase(value, 1000, 1 / MPEG_TS_CLOCK_FREQ_HZ, round);\n}\n\nexport function toMpegTsClockFromTimescale (value: number, srcScale: number = 1): number {\n return toTimescaleFromBase(value, MPEG_TS_CLOCK_FREQ_HZ, 1 / srcScale);\n}\n","/**\n * fMP4 remuxer\n*/\n\nimport AAC from './aac-helper';\nimport MP4 from './mp4-generator';\n\nimport Event from '../events';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\nimport { toMsFromMpegTsClock, toMpegTsClockFromTimescale, toTimescaleFromScale } from '../utils/timescale-conversion';\n\nimport { logger } from '../utils/logger';\n\nconst MAX_SILENT_FRAME_DURATION_90KHZ = toMpegTsClockFromTimescale(10);\nconst PTS_DTS_SHIFT_TOLERANCE_90KHZ = toMpegTsClockFromTimescale(0.2);\n\nclass MP4Remuxer {\n constructor (observer, config, typeSupported, vendor) {\n this.observer = observer;\n this.config = config;\n this.typeSupported = typeSupported;\n const userAgent = navigator.userAgent;\n this.isSafari = vendor && vendor.indexOf('Apple') > -1 && userAgent && !userAgent.match('CriOS');\n this.ISGenerated = false;\n }\n\n destroy () {\n }\n\n resetTimeStamp (defaultTimeStamp) {\n this._initPTS = this._initDTS = defaultTimeStamp;\n }\n\n resetInitSegment () {\n this.ISGenerated = false;\n }\n\n remux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n // generate Init Segment if needed\n if (!this.ISGenerated) {\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n\n if (this.ISGenerated) {\n const nbAudioSamples = audioTrack.samples.length;\n const nbVideoSamples = videoTrack.samples.length;\n let audioTimeOffset = timeOffset;\n let videoTimeOffset = timeOffset;\n if (nbAudioSamples && nbVideoSamples) {\n // timeOffset is expected to be the offset of the first timestamp of this fragment (first DTS)\n // if first audio DTS is not aligned with first video DTS then we need to take that into account\n // when providing timeOffset to remuxAudio / remuxVideo. if we don't do that, there might be a permanent / small\n // drift between audio and video streams\n let audiovideoDeltaDts = (audioTrack.samples[0].pts - videoTrack.samples[0].pts) / videoTrack.inputTimeScale;\n audioTimeOffset += Math.max(0, audiovideoDeltaDts);\n videoTimeOffset += Math.max(0, -audiovideoDeltaDts);\n }\n // Purposefully remuxing audio before video, so that remuxVideo can use nextAudioPts, which is\n // calculated in remuxAudio.\n // logger.log('nb AAC samples:' + audioTrack.samples.length);\n if (nbAudioSamples) {\n // if initSegment was generated without video samples, regenerate it again\n if (!audioTrack.timescale) {\n logger.warn('regenerate InitSegment as audio detected');\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n let audioData = this.remuxAudio(audioTrack, audioTimeOffset, contiguous, accurateTimeOffset);\n // logger.log('nb AVC samples:' + videoTrack.samples.length);\n if (nbVideoSamples) {\n let audioTrackLength;\n if (audioData) {\n audioTrackLength = audioData.endPTS - audioData.startPTS;\n }\n\n // if initSegment was generated without video samples, regenerate it again\n if (!videoTrack.timescale) {\n logger.warn('regenerate InitSegment as video detected');\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n this.remuxVideo(videoTrack, videoTimeOffset, contiguous, audioTrackLength, accurateTimeOffset);\n }\n } else {\n // logger.log('nb AVC samples:' + videoTrack.samples.length);\n if (nbVideoSamples) {\n let videoData = this.remuxVideo(videoTrack, videoTimeOffset, contiguous, 0, accurateTimeOffset);\n if (videoData && audioTrack.codec) {\n this.remuxEmptyAudio(audioTrack, audioTimeOffset, contiguous, videoData);\n }\n }\n }\n }\n // logger.log('nb ID3 samples:' + audioTrack.samples.length);\n if (id3Track.samples.length) {\n this.remuxID3(id3Track, timeOffset);\n }\n\n // logger.log('nb ID3 samples:' + audioTrack.samples.length);\n if (textTrack.samples.length) {\n this.remuxText(textTrack, timeOffset);\n }\n\n // notify end of parsing\n this.observer.trigger(Event.FRAG_PARSED);\n }\n\n generateIS (audioTrack, videoTrack, timeOffset) {\n let observer = this.observer,\n audioSamples = audioTrack.samples,\n videoSamples = videoTrack.samples,\n typeSupported = this.typeSupported,\n container = 'audio/mp4',\n tracks = {},\n data = { tracks: tracks },\n computePTSDTS = (this._initPTS === undefined),\n initPTS, initDTS, timescale;\n\n if (computePTSDTS) {\n initPTS = initDTS = Infinity;\n }\n\n if (audioTrack.config && audioSamples.length) {\n // let's use audio sampling rate as MP4 time scale.\n // rationale is that there is a integer nb of audio frames per audio sample (1024 for AAC)\n // using audio sampling rate here helps having an integer MP4 frame duration\n // this avoids potential rounding issue and AV sync issue\n audioTrack.timescale = audioTrack.samplerate;\n logger.log(`audio sampling rate : ${audioTrack.samplerate}`);\n if (!audioTrack.isAAC) {\n if (typeSupported.mpeg) { // Chrome and Safari\n container = 'audio/mpeg';\n audioTrack.codec = '';\n } else if (typeSupported.mp3) { // Firefox\n audioTrack.codec = 'mp3';\n }\n }\n tracks.audio = {\n container: container,\n codec: audioTrack.codec,\n initSegment: !audioTrack.isAAC && typeSupported.mpeg ? new Uint8Array() : MP4.initSegment([audioTrack]),\n metadata: {\n channelCount: audioTrack.channelCount\n }\n };\n if (computePTSDTS) {\n timescale = audioTrack.inputTimeScale;\n // remember first PTS of this demuxing context. for audio, PTS = DTS\n initPTS = initDTS = audioSamples[0].pts - Math.round(timescale * timeOffset);\n }\n }\n\n if (videoTrack.sps && videoTrack.pps && videoSamples.length) {\n // let's use input time scale as MP4 video timescale\n // we use input time scale straight away to avoid rounding issues on frame duration / cts computation\n const inputTimeScale = videoTrack.inputTimeScale;\n videoTrack.timescale = inputTimeScale;\n tracks.video = {\n container: 'video/mp4',\n codec: videoTrack.codec,\n initSegment: MP4.initSegment([videoTrack]),\n metadata: {\n width: videoTrack.width,\n height: videoTrack.height\n }\n };\n if (computePTSDTS) {\n timescale = videoTrack.inputTimeScale;\n initPTS = Math.min(initPTS, videoSamples[0].pts - inputTimeScale * timeOffset);\n initDTS = Math.min(initDTS, videoSamples[0].dts - inputTimeScale * timeOffset);\n this.observer.trigger(Event.INIT_PTS_FOUND, { initPTS: initPTS, timescale });\n }\n }\n\n if (Object.keys(tracks).length) {\n observer.trigger(Event.FRAG_PARSING_INIT_SEGMENT, data);\n this.ISGenerated = true;\n if (computePTSDTS) {\n this._initPTS = initPTS;\n this._initDTS = initDTS;\n }\n } else {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: false, reason: 'no audio/video samples found' });\n }\n }\n\n remuxVideo (track, timeOffset, contiguous, audioTrackLength, accurateTimeOffset) {\n let offset = 8;\n let mp4SampleDuration;\n let mdat;\n let moof;\n let firstPTS;\n let firstDTS;\n let lastPTS;\n let lastDTS;\n const timeScale = track.timescale;\n const inputSamples = track.samples;\n const outputSamples = [];\n const nbSamples = inputSamples.length;\n const ptsNormalize = this._PTSNormalize;\n const initPTS = this._initPTS;\n\n // if parsed fragment is contiguous with last one, let's use last DTS value as reference\n let nextAvcDts = this.nextAvcDts;\n\n const isSafari = this.isSafari;\n\n if (nbSamples === 0) {\n return;\n }\n\n // Safari does not like overlapping DTS on consecutive fragments. let's use nextAvcDts to overcome this if fragments are consecutive\n if (isSafari) {\n // also consider consecutive fragments as being contiguous (even if a level switch occurs),\n // for sake of clarity:\n // consecutive fragments are frags with\n // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR\n // - less than 200 ms PTS gaps (timeScale/5)\n contiguous |= (inputSamples.length && nextAvcDts &&\n ((accurateTimeOffset && Math.abs(timeOffset - nextAvcDts / timeScale) < 0.1) ||\n Math.abs((inputSamples[0].pts - nextAvcDts - initPTS)) < timeScale / 5)\n );\n }\n\n if (!contiguous) {\n // if not contiguous, let's use target timeOffset\n nextAvcDts = timeOffset * timeScale;\n }\n\n // PTS is coded on 33bits, and can loop from -2^32 to 2^32\n // ptsNormalize will make PTS/DTS value monotonic, we use last known DTS value as reference value\n inputSamples.forEach(function (sample) {\n sample.pts = ptsNormalize(sample.pts - initPTS, nextAvcDts);\n sample.dts = ptsNormalize(sample.dts - initPTS, nextAvcDts);\n });\n\n // sort video samples by DTS then PTS then demux id order\n inputSamples.sort(function (a, b) {\n const deltadts = a.dts - b.dts;\n const deltapts = a.pts - b.pts;\n return deltadts || (deltapts || (a.id - b.id));\n });\n\n // handle broken streams with PTS < DTS, tolerance up 0.2 seconds\n let PTSDTSshift = inputSamples.reduce((prev, curr) => Math.max(Math.min(prev, curr.pts - curr.dts), -1 * PTS_DTS_SHIFT_TOLERANCE_90KHZ), 0);\n if (PTSDTSshift < 0) {\n logger.warn(`PTS < DTS detected in video samples, shifting DTS by ${toMsFromMpegTsClock(PTSDTSshift, true)} ms to overcome this issue`);\n for (let i = 0; i < inputSamples.length; i++) {\n inputSamples[i].dts += PTSDTSshift;\n }\n }\n\n // compute first DTS and last DTS, normalize them against reference value\n let sample = inputSamples[0];\n firstDTS = Math.max(sample.dts, 0);\n firstPTS = Math.max(sample.pts, 0);\n\n // check timestamp continuity accross consecutive fragments (this is to remove inter-fragment gap/hole)\n let delta = firstDTS - nextAvcDts;\n // if fragment are contiguous, detect hole/overlapping between fragments\n if (contiguous) {\n if (delta) {\n if (delta > 1) {\n logger.log(`AVC: ${toMsFromMpegTsClock(delta, true)} ms hole between fragments detected,filling it`);\n } else if (delta < -1) {\n logger.log(`AVC: ${toMsFromMpegTsClock(-delta, true)} ms overlapping between fragments detected`);\n }\n\n // remove hole/gap : set DTS to next expected DTS\n firstDTS = nextAvcDts;\n inputSamples[0].dts = firstDTS;\n // offset PTS as well, ensure that PTS is smaller or equal than new DTS\n firstPTS = Math.max(firstPTS - delta, nextAvcDts);\n inputSamples[0].pts = firstPTS;\n logger.log(`Video: PTS/DTS adjusted: ${toMsFromMpegTsClock(firstPTS, true)}/${toMsFromMpegTsClock(firstDTS, true)}, delta: ${toMsFromMpegTsClock(delta, true)} ms`);\n }\n }\n\n // compute lastPTS/lastDTS\n sample = inputSamples[inputSamples.length - 1];\n lastDTS = Math.max(sample.dts, 0);\n lastPTS = Math.max(sample.pts, 0, lastDTS);\n\n // on Safari let's signal the same sample duration for all samples\n // sample duration (as expected by trun MP4 boxes), should be the delta between sample DTS\n // set this constant duration as being the avg delta between consecutive DTS.\n if (isSafari) {\n mp4SampleDuration = Math.round((lastDTS - firstDTS) / (inputSamples.length - 1));\n }\n\n let nbNalu = 0, naluLen = 0;\n for (let i = 0; i < nbSamples; i++) {\n // compute total/avc sample length and nb of NAL units\n let sample = inputSamples[i], units = sample.units, nbUnits = units.length, sampleLen = 0;\n for (let j = 0; j < nbUnits; j++) {\n sampleLen += units[j].data.length;\n }\n\n naluLen += sampleLen;\n nbNalu += nbUnits;\n sample.length = sampleLen;\n\n // normalize PTS/DTS\n if (isSafari) {\n // sample DTS is computed using a constant decoding offset (mp4SampleDuration) between samples\n sample.dts = firstDTS + i * mp4SampleDuration;\n } else {\n // ensure sample monotonic DTS\n sample.dts = Math.max(sample.dts, firstDTS);\n }\n // ensure that computed value is greater or equal than sample DTS\n sample.pts = Math.max(sample.pts, sample.dts);\n }\n\n /* concatenate the video data and construct the mdat in place\n (need 8 more bytes to fill length and mpdat type) */\n let mdatSize = naluLen + (4 * nbNalu) + 8;\n try {\n mdat = new Uint8Array(mdatSize);\n } catch (err) {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MUX_ERROR, details: ErrorDetails.REMUX_ALLOC_ERROR, fatal: false, bytes: mdatSize, reason: `fail allocating video mdat ${mdatSize}` });\n return;\n }\n let view = new DataView(mdat.buffer);\n view.setUint32(0, mdatSize);\n mdat.set(MP4.types.mdat, 4);\n\n for (let i = 0; i < nbSamples; i++) {\n let avcSample = inputSamples[i],\n avcSampleUnits = avcSample.units,\n mp4SampleLength = 0,\n compositionTimeOffset;\n // convert NALU bitstream to MP4 format (prepend NALU with size field)\n for (let j = 0, nbUnits = avcSampleUnits.length; j < nbUnits; j++) {\n let unit = avcSampleUnits[j],\n unitData = unit.data,\n unitDataLen = unit.data.byteLength;\n view.setUint32(offset, unitDataLen);\n offset += 4;\n mdat.set(unitData, offset);\n offset += unitDataLen;\n mp4SampleLength += 4 + unitDataLen;\n }\n\n if (!isSafari) {\n // expected sample duration is the Decoding Timestamp diff of consecutive samples\n if (i < nbSamples - 1) {\n mp4SampleDuration = inputSamples[i + 1].dts - avcSample.dts;\n } else {\n let config = this.config,\n lastFrameDuration = avcSample.dts - inputSamples[i > 0 ? i - 1 : i].dts;\n if (config.stretchShortVideoTrack) {\n // In some cases, a segment's audio track duration may exceed the video track duration.\n // Since we've already remuxed audio, and we know how long the audio track is, we look to\n // see if the delta to the next segment is longer than maxBufferHole.\n // If so, playback would potentially get stuck, so we artificially inflate\n // the duration of the last frame to minimize any potential gap between segments.\n let maxBufferHole = config.maxBufferHole,\n gapTolerance = Math.floor(maxBufferHole * timeScale),\n deltaToFrameEnd = (audioTrackLength ? firstPTS + audioTrackLength * timeScale : this.nextAudioPts) - avcSample.pts;\n if (deltaToFrameEnd > gapTolerance) {\n // We subtract lastFrameDuration from deltaToFrameEnd to try to prevent any video\n // frame overlap. maxBufferHole should be >> lastFrameDuration anyway.\n mp4SampleDuration = deltaToFrameEnd - lastFrameDuration;\n if (mp4SampleDuration < 0) {\n mp4SampleDuration = lastFrameDuration;\n }\n\n logger.log(`It is approximately ${toMsFromMpegTsClock(deltaToFrameEnd, false)} ms to the next segment; using duration ${toMsFromMpegTsClock(mp4SampleDuration, false)} ms for the last video frame.`);\n } else {\n mp4SampleDuration = lastFrameDuration;\n }\n } else {\n mp4SampleDuration = lastFrameDuration;\n }\n }\n compositionTimeOffset = Math.round(avcSample.pts - avcSample.dts);\n } else {\n compositionTimeOffset = Math.max(0, mp4SampleDuration * Math.round((avcSample.pts - avcSample.dts) / mp4SampleDuration));\n }\n\n // console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${avcSample.pts}/${avcSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(avcSample.pts/4294967296).toFixed(3)}');\n outputSamples.push({\n size: mp4SampleLength,\n // constant duration\n duration: mp4SampleDuration,\n cts: compositionTimeOffset,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: avcSample.key ? 2 : 1,\n isNonSync: avcSample.key ? 0 : 1\n }\n });\n }\n // next AVC sample DTS should be equal to last sample DTS + last sample duration (in PES timescale)\n this.nextAvcDts = lastDTS + mp4SampleDuration;\n let dropped = track.dropped;\n track.nbNalu = 0;\n track.dropped = 0;\n if (outputSamples.length && navigator.userAgent.toLowerCase().indexOf('chrome') > -1) {\n let flags = outputSamples[0].flags;\n // chrome workaround, mark first sample as being a Random Access Point to avoid sourcebuffer append issue\n // https://code.google.com/p/chromium/issues/detail?id=229412\n flags.dependsOn = 2;\n flags.isNonSync = 0;\n }\n track.samples = outputSamples;\n moof = MP4.moof(track.sequenceNumber++, firstDTS, track);\n track.samples = [];\n\n let data = {\n data1: moof,\n data2: mdat,\n startPTS: firstPTS / timeScale,\n endPTS: (lastPTS + mp4SampleDuration) / timeScale,\n startDTS: firstDTS / timeScale,\n endDTS: this.nextAvcDts / timeScale,\n type: 'video',\n hasAudio: false,\n hasVideo: true,\n nb: outputSamples.length,\n dropped: dropped\n };\n this.observer.trigger(Event.FRAG_PARSING_DATA, data);\n return data;\n }\n\n remuxAudio (track, timeOffset, contiguous, accurateTimeOffset) {\n const inputTimeScale = track.inputTimeScale;\n const mp4timeScale = track.timescale;\n const scaleFactor = inputTimeScale / mp4timeScale;\n const mp4SampleDuration = track.isAAC ? 1024 : 1152;\n const inputSampleDuration = mp4SampleDuration * scaleFactor;\n const ptsNormalize = this._PTSNormalize;\n const initPTS = this._initPTS;\n const rawMPEG = !track.isAAC && this.typeSupported.mpeg;\n\n let mp4Sample;\n let fillFrame;\n let mdat;\n let moof;\n let firstPTS;\n let lastPTS;\n let offset = (rawMPEG ? 0 : 8);\n let inputSamples = track.samples;\n let outputSamples = [];\n let nextAudioPts = this.nextAudioPts;\n\n // for audio samples, also consider consecutive fragments as being contiguous (even if a level switch occurs),\n // for sake of clarity:\n // consecutive fragments are frags with\n // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR\n // - less than 20 audio frames distance\n // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1)\n // this helps ensuring audio continuity\n // and this also avoids audio glitches/cut when switching quality, or reporting wrong duration on first audio frame\n contiguous |= (inputSamples.length && nextAudioPts &&\n ((accurateTimeOffset && Math.abs(timeOffset - nextAudioPts / inputTimeScale) < 0.1) ||\n Math.abs((inputSamples[0].pts - nextAudioPts - initPTS)) < 20 * inputSampleDuration)\n );\n\n // compute normalized PTS\n inputSamples.forEach(function (sample) {\n sample.pts = sample.dts = ptsNormalize(sample.pts - initPTS, timeOffset * inputTimeScale);\n });\n\n // filter out sample with negative PTS that are not playable anyway\n // if we don't remove these negative samples, they will shift all audio samples forward.\n // leading to audio overlap between current / next fragment\n inputSamples = inputSamples.filter(function (sample) {\n return sample.pts >= 0;\n });\n\n // in case all samples have negative PTS, and have been filtered out, return now\n if (inputSamples.length === 0) {\n return;\n }\n\n if (!contiguous) {\n if (!accurateTimeOffset) {\n // if frag are mot contiguous and if we cant trust time offset, let's use first sample PTS as next audio PTS\n nextAudioPts = inputSamples[0].pts;\n } else {\n // if timeOffset is accurate, let's use it as predicted next audio PTS\n nextAudioPts = timeOffset * inputTimeScale;\n }\n }\n\n // If the audio track is missing samples, the frames seem to get \"left-shifted\" within the\n // resulting mp4 segment, causing sync issues and leaving gaps at the end of the audio segment.\n // In an effort to prevent this from happening, we inject frames here where there are gaps.\n // When possible, we inject a silent frame; when that's not possible, we duplicate the last\n // frame.\n\n if (track.isAAC) {\n const maxAudioFramesDrift = this.config.maxAudioFramesDrift;\n for (let i = 0, nextPts = nextAudioPts; i < inputSamples.length;) {\n // First, let's see how far off this frame is from where we expect it to be\n var sample = inputSamples[i], delta;\n let pts = sample.pts;\n delta = pts - nextPts;\n\n // If we're overlapping by more than a duration, drop this sample\n if (delta <= -maxAudioFramesDrift * inputSampleDuration) {\n logger.warn(`Dropping 1 audio frame @ ${toMsFromMpegTsClock(nextPts, true)} ms due to ${toMsFromMpegTsClock(delta, true)} ms overlap.`);\n inputSamples.splice(i, 1);\n // Don't touch nextPtsNorm or i\n } // eslint-disable-line brace-style\n\n // Insert missing frames if:\n // 1: We're more than maxAudioFramesDrift frame away\n // 2: Not more than MAX_SILENT_FRAME_DURATION away\n // 3: currentTime (aka nextPtsNorm) is not 0\n else if (delta >= maxAudioFramesDrift * inputSampleDuration && delta < MAX_SILENT_FRAME_DURATION_90KHZ && nextPts) {\n let missing = Math.round(delta / inputSampleDuration);\n logger.warn(`Injecting ${missing} audio frames @ ${toMsFromMpegTsClock(nextPts, true)} ms due to ${toMsFromMpegTsClock(nextPts, true)} ms gap.`);\n for (let j = 0; j < missing; j++) {\n let newStamp = Math.max(nextPts, 0);\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n logger.log('Unable to get silent frame for given audio codec; duplicating last frame instead.');\n fillFrame = sample.unit.subarray();\n }\n inputSamples.splice(i, 0, { unit: fillFrame, pts: newStamp, dts: newStamp });\n nextPts += inputSampleDuration;\n i++;\n }\n\n // Adjust sample to next expected pts\n sample.pts = sample.dts = nextPts;\n nextPts += inputSampleDuration;\n i++;\n } else {\n // Otherwise, just adjust pts\n if (Math.abs(delta) > (0.1 * inputSampleDuration)) {\n // logger.log(`Invalid frame delta ${Math.round(delta + inputSampleDuration)} at PTS ${Math.round(pts / 90)} (should be ${Math.round(inputSampleDuration)}).`);\n }\n sample.pts = sample.dts = nextPts;\n nextPts += inputSampleDuration;\n i++;\n }\n }\n }\n\n // compute mdat size, as we eventually filtered/added some samples\n let nbSamples = inputSamples.length;\n let mdatSize = 0;\n while (nbSamples--) {\n mdatSize += inputSamples[nbSamples].unit.byteLength;\n }\n\n for (let j = 0, nbSamples = inputSamples.length; j < nbSamples; j++) {\n let audioSample = inputSamples[j];\n let unit = audioSample.unit;\n let pts = audioSample.pts;\n\n // logger.log(`Audio/PTS:${toMsFromMpegTsClock(pts, true)}`);\n // if not first sample\n\n if (lastPTS !== undefined) {\n mp4Sample.duration = Math.round((pts - lastPTS) / scaleFactor);\n } else {\n let delta = pts - nextAudioPts;\n let numMissingFrames = 0;\n\n // if fragment are contiguous, detect hole/overlapping between fragments\n // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1)\n if (contiguous && track.isAAC) {\n // log delta\n if (delta) {\n if (delta > 0 && delta < MAX_SILENT_FRAME_DURATION_90KHZ) {\n // Q: why do we have to round here, shouldn't this always result in an integer if timestamps are correct,\n // and if not, shouldn't we actually Math.ceil() instead?\n numMissingFrames = Math.round((pts - nextAudioPts) / inputSampleDuration);\n\n logger.log(`${toMsFromMpegTsClock(delta, true)} ms hole between AAC samples detected,filling it`);\n if (numMissingFrames > 0) {\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n fillFrame = unit.subarray();\n }\n\n mdatSize += numMissingFrames * fillFrame.length;\n }\n // if we have frame overlap, overlapping for more than half a frame duraion\n } else if (delta < -12) {\n // drop overlapping audio frames... browser will deal with it\n logger.log(`drop overlapping AAC sample, expected/parsed/delta: ${toMsFromMpegTsClock(nextAudioPts, true)} ms / ${toMsFromMpegTsClock(pts, true)} ms / ${toMsFromMpegTsClock(-delta, true)} ms`);\n mdatSize -= unit.byteLength;\n continue;\n }\n // set PTS/DTS to expected PTS/DTS\n pts = nextAudioPts;\n }\n }\n // remember first PTS of our audioSamples\n firstPTS = pts;\n if (mdatSize > 0) {\n mdatSize += offset;\n try {\n mdat = new Uint8Array(mdatSize);\n } catch (err) {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MUX_ERROR, details: ErrorDetails.REMUX_ALLOC_ERROR, fatal: false, bytes: mdatSize, reason: `fail allocating audio mdat ${mdatSize}` });\n return;\n }\n if (!rawMPEG) {\n const view = new DataView(mdat.buffer);\n view.setUint32(0, mdatSize);\n mdat.set(MP4.types.mdat, 4);\n }\n } else {\n // no audio samples\n return;\n }\n for (let i = 0; i < numMissingFrames; i++) {\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n logger.log('Unable to get silent frame for given audio codec; duplicating this frame instead.');\n fillFrame = unit.subarray();\n }\n mdat.set(fillFrame, offset);\n offset += fillFrame.byteLength;\n mp4Sample = {\n size: fillFrame.byteLength,\n cts: 0,\n duration: 1024,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: 1\n }\n };\n outputSamples.push(mp4Sample);\n }\n }\n mdat.set(unit, offset);\n let unitLen = unit.byteLength;\n offset += unitLen;\n // console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${audioSample.pts}/${audioSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(audioSample.pts/4294967296).toFixed(3)}');\n mp4Sample = {\n size: unitLen,\n cts: 0,\n duration: 0,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: 1\n }\n };\n outputSamples.push(mp4Sample);\n lastPTS = pts;\n }\n let lastSampleDuration = 0;\n nbSamples = outputSamples.length;\n // set last sample duration as being identical to previous sample\n if (nbSamples >= 2) {\n lastSampleDuration = outputSamples[nbSamples - 2].duration;\n mp4Sample.duration = lastSampleDuration;\n }\n if (nbSamples) {\n // next audio sample PTS should be equal to last sample PTS + duration\n this.nextAudioPts = nextAudioPts = lastPTS + scaleFactor * lastSampleDuration;\n // logger.log('Audio/PTS/PTSend:' + audioSample.pts.toFixed(0) + '/' + this.nextAacDts.toFixed(0));\n track.samples = outputSamples;\n if (rawMPEG) {\n moof = new Uint8Array();\n } else {\n moof = MP4.moof(track.sequenceNumber++, firstPTS / scaleFactor, track);\n }\n\n track.samples = [];\n const start = firstPTS / inputTimeScale;\n const end = nextAudioPts / inputTimeScale;\n const audioData = {\n data1: moof,\n data2: mdat,\n startPTS: start,\n endPTS: end,\n startDTS: start,\n endDTS: end,\n type: 'audio',\n hasAudio: true,\n hasVideo: false,\n nb: nbSamples\n };\n this.observer.trigger(Event.FRAG_PARSING_DATA, audioData);\n return audioData;\n }\n return null;\n }\n\n remuxEmptyAudio (track, timeOffset, contiguous, videoData) {\n let inputTimeScale = track.inputTimeScale;\n let mp4timeScale = track.samplerate ? track.samplerate : inputTimeScale;\n let scaleFactor = inputTimeScale / mp4timeScale;\n let nextAudioPts = this.nextAudioPts;\n\n // sync with video's timestamp\n let startDTS = (nextAudioPts !== undefined ? nextAudioPts : videoData.startDTS * inputTimeScale) + this._initDTS;\n let endDTS = videoData.endDTS * inputTimeScale + this._initDTS;\n // one sample's duration value\n let sampleDuration = 1024;\n let frameDuration = scaleFactor * sampleDuration;\n\n // samples count of this segment's duration\n let nbSamples = Math.ceil((endDTS - startDTS) / frameDuration);\n\n // silent frame\n let silentFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n\n logger.warn('remux empty Audio');\n // Can't remux if we can't generate a silent frame...\n if (!silentFrame) {\n logger.trace('Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!');\n return;\n }\n\n let samples = [];\n for (let i = 0; i < nbSamples; i++) {\n let stamp = startDTS + i * frameDuration;\n samples.push({ unit: silentFrame, pts: stamp, dts: stamp });\n }\n track.samples = samples;\n\n this.remuxAudio(track, timeOffset, contiguous);\n }\n\n remuxID3 (track) {\n let length = track.samples.length, sample;\n const inputTimeScale = track.inputTimeScale;\n const initPTS = this._initPTS;\n const initDTS = this._initDTS;\n // consume samples\n if (length) {\n for (let index = 0; index < length; index++) {\n sample = track.samples[index];\n // setting id3 pts, dts to relative time\n // using this._initPTS and this._initDTS to calculate relative time\n sample.pts = ((sample.pts - initPTS) / inputTimeScale);\n sample.dts = ((sample.dts - initDTS) / inputTimeScale);\n }\n this.observer.trigger(Event.FRAG_PARSING_METADATA, {\n samples: track.samples\n });\n }\n\n track.samples = [];\n }\n\n remuxText (track) {\n track.samples.sort(function (a, b) {\n return (a.pts - b.pts);\n });\n\n let length = track.samples.length, sample;\n const inputTimeScale = track.inputTimeScale;\n const initPTS = this._initPTS;\n // consume samples\n if (length) {\n for (let index = 0; index < length; index++) {\n sample = track.samples[index];\n // setting text pts, dts to relative time\n // using this._initPTS and this._initDTS to calculate relative time\n sample.pts = ((sample.pts - initPTS) / inputTimeScale);\n }\n this.observer.trigger(Event.FRAG_PARSING_USERDATA, {\n samples: track.samples\n });\n }\n\n track.samples = [];\n }\n\n _PTSNormalize (value, reference) {\n let offset;\n if (reference === undefined) {\n return value;\n }\n\n if (reference < value) {\n // - 2^33\n offset = -8589934592;\n } else {\n // + 2^33\n offset = 8589934592;\n }\n /* PTS is 33bit (from 0 to 2^33 -1)\n if diff between value and reference is bigger than half of the amplitude (2^32) then it means that\n PTS looping occured. fill the gap */\n while (Math.abs(value - reference) > 4294967296) {\n value += offset;\n }\n\n return value;\n }\n}\n\nexport function normalizePts (value, reference) {\n let offset;\n if (reference === null) {\n return value;\n }\n\n if (reference < value) {\n // - 2^33\n offset = -8589934592;\n } else {\n // + 2^33\n offset = 8589934592;\n }\n /* PTS is 33bit (from 0 to 2^33 -1)\n if diff between value and reference is bigger than half of the amplitude (2^32) then it means that\n PTS looping occured. fill the gap */\n while (Math.abs(value - reference) > 4294967296) {\n value += offset;\n }\n\n return value;\n}\n\nexport default MP4Remuxer;\n","/**\n *\n * inline demuxer: probe fragments and instantiate\n * appropriate demuxer depending on content type (TSDemuxer, AACDemuxer, ...)\n *\n */\n\nimport Event from '../events';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport Decrypter from '../crypt/decrypter';\nimport AACDemuxer from '../demux/aacdemuxer';\nimport MP4Demuxer from '../demux/mp4demuxer';\nimport TSDemuxer from '../demux/tsdemuxer';\nimport MP3Demuxer from '../demux/mp3demuxer';\nimport MP4Remuxer from '../remux/mp4-remuxer';\nimport PassThroughRemuxer from '../remux/passthrough-remuxer';\n\nimport { getSelfScope } from '../utils/get-self-scope';\nimport { logger } from '../utils/logger';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n\nlet now;\n// performance.now() not available on WebWorker, at least on Safari Desktop\ntry {\n now = global.performance.now.bind(global.performance);\n} catch (err) {\n logger.debug('Unable to use Performance API on this environment');\n now = global.Date.now;\n}\n\nclass DemuxerInline {\n constructor (observer, typeSupported, config, vendor) {\n this.observer = observer;\n this.typeSupported = typeSupported;\n this.config = config;\n this.vendor = vendor;\n }\n\n destroy () {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.destroy();\n }\n }\n\n push (data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) {\n if ((data.byteLength > 0) && (decryptdata != null) && (decryptdata.key != null) && (decryptdata.method === 'AES-128')) {\n let decrypter = this.decrypter;\n if (decrypter == null) {\n decrypter = this.decrypter = new Decrypter(this.observer, this.config);\n }\n\n const startTime = now();\n decrypter.decrypt(data, decryptdata.key.buffer, decryptdata.iv.buffer, (decryptedData) => {\n const endTime = now();\n this.observer.trigger(Event.FRAG_DECRYPTED, { stats: { tstart: startTime, tdecrypt: endTime } });\n this.pushDecrypted(new Uint8Array(decryptedData), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n });\n } else {\n this.pushDecrypted(new Uint8Array(data), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n }\n }\n\n pushDecrypted (data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) {\n let demuxer = this.demuxer;\n if (!demuxer ||\n // in case of continuity change, or track switch\n // we might switch from content type (AAC container to TS container, or TS to fmp4 for example)\n // so let's check that current demuxer is still valid\n ((discontinuity || trackSwitch) && !this.probe(data))) {\n const observer = this.observer;\n const typeSupported = this.typeSupported;\n const config = this.config;\n // probing order is TS/MP4/AAC/MP3\n const muxConfig = [\n { demux: TSDemuxer, remux: MP4Remuxer },\n { demux: MP4Demuxer, remux: PassThroughRemuxer },\n { demux: AACDemuxer, remux: MP4Remuxer },\n { demux: MP3Demuxer, remux: MP4Remuxer }\n ];\n\n // probe for content type\n for (let i = 0, len = muxConfig.length; i < len; i++) {\n const mux = muxConfig[i];\n const probe = mux.demux.probe;\n if (probe(data)) {\n const remuxer = this.remuxer = new mux.remux(observer, config, typeSupported, this.vendor);\n demuxer = new mux.demux(observer, remuxer, config, typeSupported);\n this.probe = probe;\n break;\n }\n }\n if (!demuxer) {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: true, reason: 'no demux matching with content found' });\n return;\n }\n this.demuxer = demuxer;\n }\n const remuxer = this.remuxer;\n\n if (discontinuity || trackSwitch) {\n demuxer.resetInitSegment(initSegment, audioCodec, videoCodec, duration);\n remuxer.resetInitSegment();\n }\n if (discontinuity) {\n demuxer.resetTimeStamp(defaultInitPTS);\n remuxer.resetTimeStamp(defaultInitPTS);\n }\n if (typeof demuxer.setDecryptData === 'function') {\n demuxer.setDecryptData(decryptdata);\n }\n\n demuxer.append(data, timeOffset, contiguous, accurateTimeOffset);\n }\n}\n\nexport default DemuxerInline;\n","/**\n * passthrough remuxer\n*/\nimport Event from '../events';\n\nclass PassThroughRemuxer {\n constructor (observer) {\n this.observer = observer;\n }\n\n destroy () {\n }\n\n resetTimeStamp () {\n }\n\n resetInitSegment () {\n }\n\n remux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset, rawData) {\n let observer = this.observer;\n let streamType = '';\n if (audioTrack) {\n streamType += 'audio';\n }\n\n if (videoTrack) {\n streamType += 'video';\n }\n\n observer.trigger(Event.FRAG_PARSING_DATA, {\n data1: rawData,\n startPTS: timeOffset,\n startDTS: timeOffset,\n type: streamType,\n hasAudio: !!audioTrack,\n hasVideo: !!videoTrack,\n nb: 1,\n dropped: 0\n });\n // notify end of parsing\n observer.trigger(Event.FRAG_PARSED);\n }\n}\n\nexport default PassThroughRemuxer;\n","/**\n * MP4 demuxer\n */\nimport { logger } from '../utils/logger';\nimport Event from '../events';\n\nconst UINT32_MAX = Math.pow(2, 32) - 1;\n\nclass MP4Demuxer {\n constructor (observer, remuxer) {\n this.observer = observer;\n this.remuxer = remuxer;\n }\n\n resetTimeStamp (initPTS) {\n this.initPTS = initPTS;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n // jshint unused:false\n if (initSegment && initSegment.byteLength) {\n const initData = this.initData = MP4Demuxer.parseInitSegment(initSegment);\n\n // default audio codec if nothing specified\n // TODO : extract that from initsegment\n if (audioCodec == null) {\n audioCodec = 'mp4a.40.5';\n }\n\n if (videoCodec == null) {\n videoCodec = 'avc1.42e01e';\n }\n\n const tracks = {};\n if (initData.audio && initData.video) {\n tracks.audiovideo = { container: 'video/mp4', codec: audioCodec + ',' + videoCodec, initSegment: duration ? initSegment : null };\n } else {\n if (initData.audio) {\n tracks.audio = { container: 'audio/mp4', codec: audioCodec, initSegment: duration ? initSegment : null };\n }\n\n if (initData.video) {\n tracks.video = { container: 'video/mp4', codec: videoCodec, initSegment: duration ? initSegment : null };\n }\n }\n this.observer.trigger(Event.FRAG_PARSING_INIT_SEGMENT, { tracks });\n } else {\n if (audioCodec) {\n this.audioCodec = audioCodec;\n }\n\n if (videoCodec) {\n this.videoCodec = videoCodec;\n }\n }\n }\n\n static probe (data) {\n // ensure we find a moof box in the first 16 kB\n return MP4Demuxer.findBox({ data: data, start: 0, end: Math.min(data.length, 16384) }, ['moof']).length > 0;\n }\n\n static bin2str (buffer) {\n return String.fromCharCode.apply(null, buffer);\n }\n\n static readUint16 (buffer, offset) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n\n const val = buffer[offset] << 8 |\n buffer[offset + 1];\n\n return val < 0 ? 65536 + val : val;\n }\n\n static readUint32 (buffer, offset) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n\n const val = buffer[offset] << 24 |\n buffer[offset + 1] << 16 |\n buffer[offset + 2] << 8 |\n buffer[offset + 3];\n return val < 0 ? 4294967296 + val : val;\n }\n\n static writeUint32 (buffer, offset, value) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n buffer[offset] = value >> 24;\n buffer[offset + 1] = (value >> 16) & 0xff;\n buffer[offset + 2] = (value >> 8) & 0xff;\n buffer[offset + 3] = value & 0xff;\n }\n\n // Find the data for a box specified by its path\n static findBox (data, path) {\n let results = [],\n i, size, type, end, subresults, start, endbox;\n\n if (data.data) {\n start = data.start;\n end = data.end;\n data = data.data;\n } else {\n start = 0;\n end = data.byteLength;\n }\n\n if (!path.length) {\n // short-circuit the search for empty paths\n return null;\n }\n\n for (i = start; i < end;) {\n size = MP4Demuxer.readUint32(data, i);\n type = MP4Demuxer.bin2str(data.subarray(i + 4, i + 8));\n endbox = size > 1 ? i + size : end;\n\n if (type === path[0]) {\n if (path.length === 1) {\n // this is the end of the path and we've found the box we were\n // looking for\n results.push({ data: data, start: i + 8, end: endbox });\n } else {\n // recursively search for the next box along the path\n subresults = MP4Demuxer.findBox({ data: data, start: i + 8, end: endbox }, path.slice(1));\n if (subresults.length) {\n results = results.concat(subresults);\n }\n }\n }\n i = endbox;\n }\n\n // we've finished searching all of data\n return results;\n }\n\n static parseSegmentIndex (initSegment) {\n const moov = MP4Demuxer.findBox(initSegment, ['moov'])[0];\n const moovEndOffset = moov ? moov.end : null; // we need this in case we need to chop of garbage of the end of current data\n\n let index = 0;\n let sidx = MP4Demuxer.findBox(initSegment, ['sidx']);\n let references;\n\n if (!sidx || !sidx[0]) {\n return null;\n }\n\n references = [];\n sidx = sidx[0];\n\n const version = sidx.data[0];\n\n // set initial offset, we skip the reference ID (not needed)\n index = version === 0 ? 8 : 16;\n\n const timescale = MP4Demuxer.readUint32(sidx, index);\n index += 4;\n\n // TODO: parse earliestPresentationTime and firstOffset\n // usually zero in our case\n let earliestPresentationTime = 0;\n let firstOffset = 0;\n\n if (version === 0) {\n index += 8;\n } else {\n index += 16;\n }\n\n // skip reserved\n index += 2;\n\n let startByte = sidx.end + firstOffset;\n\n const referencesCount = MP4Demuxer.readUint16(sidx, index);\n index += 2;\n\n for (let i = 0; i < referencesCount; i++) {\n let referenceIndex = index;\n\n const referenceInfo = MP4Demuxer.readUint32(sidx, referenceIndex);\n referenceIndex += 4;\n\n const referenceSize = referenceInfo & 0x7FFFFFFF;\n const referenceType = (referenceInfo & 0x80000000) >>> 31;\n\n if (referenceType === 1) {\n console.warn('SIDX has hierarchical references (not supported)');\n return;\n }\n\n const subsegmentDuration = MP4Demuxer.readUint32(sidx, referenceIndex);\n referenceIndex += 4;\n\n references.push({\n referenceSize,\n subsegmentDuration, // unscaled\n info: {\n duration: subsegmentDuration / timescale,\n start: startByte,\n end: startByte + referenceSize - 1\n }\n });\n\n startByte += referenceSize;\n\n // Skipping 1 bit for |startsWithSap|, 3 bits for |sapType|, and 28 bits\n // for |sapDelta|.\n referenceIndex += 4;\n\n // skip to next ref\n index = referenceIndex;\n }\n\n return {\n earliestPresentationTime,\n timescale,\n version,\n referencesCount,\n references,\n moovEndOffset\n };\n }\n\n /**\n * Parses an MP4 initialization segment and extracts stream type and\n * timescale values for any declared tracks. Timescale values indicate the\n * number of clock ticks per second to assume for time-based values\n * elsewhere in the MP4.\n *\n * To determine the start time of an MP4, you need two pieces of\n * information: the timescale unit and the earliest base media decode\n * time. Multiple timescales can be specified within an MP4 but the\n * base media decode time is always expressed in the timescale from\n * the media header box for the track:\n * ```\n * moov > trak > mdia > mdhd.timescale\n * moov > trak > mdia > hdlr\n * ```\n * @param init {Uint8Array} the bytes of the init segment\n * @return {object} a hash of track type to timescale values or null if\n * the init segment is malformed.\n */\n static parseInitSegment (initSegment) {\n let result = [];\n let traks = MP4Demuxer.findBox(initSegment, ['moov', 'trak']);\n\n traks.forEach(trak => {\n const tkhd = MP4Demuxer.findBox(trak, ['tkhd'])[0];\n if (tkhd) {\n let version = tkhd.data[tkhd.start];\n let index = version === 0 ? 12 : 20;\n let trackId = MP4Demuxer.readUint32(tkhd, index);\n\n const mdhd = MP4Demuxer.findBox(trak, ['mdia', 'mdhd'])[0];\n if (mdhd) {\n version = mdhd.data[mdhd.start];\n index = version === 0 ? 12 : 20;\n const timescale = MP4Demuxer.readUint32(mdhd, index);\n\n const hdlr = MP4Demuxer.findBox(trak, ['mdia', 'hdlr'])[0];\n if (hdlr) {\n const hdlrType = MP4Demuxer.bin2str(hdlr.data.subarray(hdlr.start + 8, hdlr.start + 12));\n let type = { 'soun': 'audio', 'vide': 'video' }[hdlrType];\n if (type) {\n // extract codec info. TODO : parse codec details to be able to build MIME type\n let codecBox = MP4Demuxer.findBox(trak, ['mdia', 'minf', 'stbl', 'stsd']);\n if (codecBox.length) {\n codecBox = codecBox[0];\n let codecType = MP4Demuxer.bin2str(codecBox.data.subarray(codecBox.start + 12, codecBox.start + 16));\n logger.log(`MP4Demuxer:${type}:${codecType} found`);\n }\n result[trackId] = { timescale: timescale, type: type };\n result[type] = { timescale: timescale, id: trackId };\n }\n }\n }\n }\n });\n return result;\n }\n\n /**\n * Determine the base media decode start time, in seconds, for an MP4\n * fragment. If multiple fragments are specified, the earliest time is\n * returned.\n *\n * The base media decode time can be parsed from track fragment\n * metadata:\n * ```\n * moof > traf > tfdt.baseMediaDecodeTime\n * ```\n * It requires the timescale value from the mdhd to interpret.\n *\n * @param timescale {object} a hash of track ids to timescale values.\n * @return {number} the earliest base media decode start time for the\n * fragment, in seconds\n */\n static getStartDTS (initData, fragment) {\n let trafs, baseTimes, result;\n\n // we need info from two childrend of each track fragment box\n trafs = MP4Demuxer.findBox(fragment, ['moof', 'traf']);\n\n // determine the start times for each track\n baseTimes = [].concat.apply([], trafs.map(function (traf) {\n return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) {\n let id, scale, baseTime;\n\n // get the track id from the tfhd\n id = MP4Demuxer.readUint32(tfhd, 4);\n // assume a 90kHz clock if no timescale was specified\n scale = initData[id].timescale || 90e3;\n\n // get the base media decode time from the tfdt\n baseTime = MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) {\n let version, result;\n\n version = tfdt.data[tfdt.start];\n result = MP4Demuxer.readUint32(tfdt, 4);\n if (version === 1) {\n result *= Math.pow(2, 32);\n\n result += MP4Demuxer.readUint32(tfdt, 8);\n }\n return result;\n })[0];\n // convert base time to seconds\n return baseTime / scale;\n });\n }));\n\n // return the minimum\n result = Math.min.apply(null, baseTimes);\n return isFinite(result) ? result : 0;\n }\n\n static offsetStartDTS (initData, fragment, timeOffset) {\n MP4Demuxer.findBox(fragment, ['moof', 'traf']).map(function (traf) {\n return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) {\n // get the track id from the tfhd\n let id = MP4Demuxer.readUint32(tfhd, 4);\n // assume a 90kHz clock if no timescale was specified\n let timescale = initData[id].timescale || 90e3;\n\n // get the base media decode time from the tfdt\n MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) {\n let version = tfdt.data[tfdt.start];\n let baseMediaDecodeTime = MP4Demuxer.readUint32(tfdt, 4);\n if (version === 0) {\n MP4Demuxer.writeUint32(tfdt, 4, baseMediaDecodeTime - timeOffset * timescale);\n } else {\n baseMediaDecodeTime *= Math.pow(2, 32);\n baseMediaDecodeTime += MP4Demuxer.readUint32(tfdt, 8);\n baseMediaDecodeTime -= timeOffset * timescale;\n baseMediaDecodeTime = Math.max(baseMediaDecodeTime, 0);\n const upper = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1));\n const lower = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1));\n MP4Demuxer.writeUint32(tfdt, 4, upper);\n MP4Demuxer.writeUint32(tfdt, 8, lower);\n }\n });\n });\n });\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let initData = this.initData;\n if (!initData) {\n this.resetInitSegment(data, this.audioCodec, this.videoCodec, false);\n initData = this.initData;\n }\n let startDTS, initPTS = this.initPTS;\n if (initPTS === undefined) {\n let startDTS = MP4Demuxer.getStartDTS(initData, data);\n this.initPTS = initPTS = startDTS - timeOffset;\n this.observer.trigger(Event.INIT_PTS_FOUND, { initPTS: initPTS });\n }\n MP4Demuxer.offsetStartDTS(initData, data, initPTS);\n startDTS = MP4Demuxer.getStartDTS(initData, data);\n this.remuxer.remux(initData.audio, initData.video, null, null, startDTS, contiguous, accurateTimeOffset, data);\n }\n\n destroy () {}\n}\n\nexport default MP4Demuxer;\n","function webpackBootstrapFunc (modules) {\n/******/ // The module cache\n/******/ var installedModules = {};\n\n/******/ // The require function\n/******/ function __webpack_require__(moduleId) {\n\n/******/ // Check if module is in cache\n/******/ if(installedModules[moduleId])\n/******/ return installedModules[moduleId].exports;\n\n/******/ // Create a new module (and put it into the cache)\n/******/ var module = installedModules[moduleId] = {\n/******/ i: moduleId,\n/******/ l: false,\n/******/ exports: {}\n/******/ };\n\n/******/ // Execute the module function\n/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n/******/ // Flag the module as loaded\n/******/ module.l = true;\n\n/******/ // Return the exports of the module\n/******/ return module.exports;\n/******/ }\n\n/******/ // expose the modules object (__webpack_modules__)\n/******/ __webpack_require__.m = modules;\n\n/******/ // expose the module cache\n/******/ __webpack_require__.c = installedModules;\n\n/******/ // identity function for calling harmony imports with the correct context\n/******/ __webpack_require__.i = function(value) { return value; };\n\n/******/ // define getter function for harmony exports\n/******/ __webpack_require__.d = function(exports, name, getter) {\n/******/ if(!__webpack_require__.o(exports, name)) {\n/******/ Object.defineProperty(exports, name, {\n/******/ configurable: false,\n/******/ enumerable: true,\n/******/ get: getter\n/******/ });\n/******/ }\n/******/ };\n\n/******/ // define __esModule on exports\n/******/ __webpack_require__.r = function(exports) {\n/******/ Object.defineProperty(exports, '__esModule', { value: true });\n/******/ };\n\n/******/ // getDefaultExport function for compatibility with non-harmony modules\n/******/ __webpack_require__.n = function(module) {\n/******/ var getter = module && module.__esModule ?\n/******/ function getDefault() { return module['default']; } :\n/******/ function getModuleExports() { return module; };\n/******/ __webpack_require__.d(getter, 'a', getter);\n/******/ return getter;\n/******/ };\n\n/******/ // Object.prototype.hasOwnProperty.call\n/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n/******/ // __webpack_public_path__\n/******/ __webpack_require__.p = \"/\";\n\n/******/ // on error function for async loading\n/******/ __webpack_require__.oe = function(err) { console.error(err); throw err; };\n\n var f = __webpack_require__(__webpack_require__.s = ENTRY_MODULE)\n return f.default || f // try to call default if defined to also support babel esmodule exports\n}\n\nvar moduleNameReqExp = '[\\\\.|\\\\-|\\\\+|\\\\w|\\/|@]+'\nvar dependencyRegExp = '\\\\(\\\\s*(\\/\\\\*.*?\\\\*\\/)?\\\\s*.*?(' + moduleNameReqExp + ').*?\\\\)' // additional chars when output.pathinfo is true\n\n// http://stackoverflow.com/a/2593661/130442\nfunction quoteRegExp (str) {\n return (str + '').replace(/[.?*+^$[\\]\\\\(){}|-]/g, '\\\\$&')\n}\n\nfunction isNumeric(n) {\n return !isNaN(1 * n); // 1 * n converts integers, integers as string (\"123\"), 1e3 and \"1e3\" to integers and strings to NaN\n}\n\nfunction getModuleDependencies (sources, module, queueName) {\n var retval = {}\n retval[queueName] = []\n\n var fnString = module.toString()\n var wrapperSignature = fnString.match(/^function\\s?\\w*\\(\\w+,\\s*\\w+,\\s*(\\w+)\\)/)\n if (!wrapperSignature) return retval\n var webpackRequireName = wrapperSignature[1]\n\n // main bundle deps\n var re = new RegExp('(\\\\\\\\n|\\\\W)' + quoteRegExp(webpackRequireName) + dependencyRegExp, 'g')\n var match\n while ((match = re.exec(fnString))) {\n if (match[3] === 'dll-reference') continue\n retval[queueName].push(match[3])\n }\n\n // dll deps\n re = new RegExp('\\\\(' + quoteRegExp(webpackRequireName) + '\\\\(\"(dll-reference\\\\s(' + moduleNameReqExp + '))\"\\\\)\\\\)' + dependencyRegExp, 'g')\n while ((match = re.exec(fnString))) {\n if (!sources[match[2]]) {\n retval[queueName].push(match[1])\n sources[match[2]] = __webpack_require__(match[1]).m\n }\n retval[match[2]] = retval[match[2]] || []\n retval[match[2]].push(match[4])\n }\n\n // convert 1e3 back to 1000 - this can be important after uglify-js converted 1000 to 1e3\n var keys = Object.keys(retval);\n for (var i = 0; i < keys.length; i++) {\n for (var j = 0; j < retval[keys[i]].length; j++) {\n if (isNumeric(retval[keys[i]][j])) {\n retval[keys[i]][j] = 1 * retval[keys[i]][j];\n }\n }\n }\n\n return retval\n}\n\nfunction hasValuesInQueues (queues) {\n var keys = Object.keys(queues)\n return keys.reduce(function (hasValues, key) {\n return hasValues || queues[key].length > 0\n }, false)\n}\n\nfunction getRequiredModules (sources, moduleId) {\n var modulesQueue = {\n main: [moduleId]\n }\n var requiredModules = {\n main: []\n }\n var seenModules = {\n main: {}\n }\n\n while (hasValuesInQueues(modulesQueue)) {\n var queues = Object.keys(modulesQueue)\n for (var i = 0; i < queues.length; i++) {\n var queueName = queues[i]\n var queue = modulesQueue[queueName]\n var moduleToCheck = queue.pop()\n seenModules[queueName] = seenModules[queueName] || {}\n if (seenModules[queueName][moduleToCheck] || !sources[queueName][moduleToCheck]) continue\n seenModules[queueName][moduleToCheck] = true\n requiredModules[queueName] = requiredModules[queueName] || []\n requiredModules[queueName].push(moduleToCheck)\n var newModules = getModuleDependencies(sources, sources[queueName][moduleToCheck], queueName)\n var newModulesKeys = Object.keys(newModules)\n for (var j = 0; j < newModulesKeys.length; j++) {\n modulesQueue[newModulesKeys[j]] = modulesQueue[newModulesKeys[j]] || []\n modulesQueue[newModulesKeys[j]] = modulesQueue[newModulesKeys[j]].concat(newModules[newModulesKeys[j]])\n }\n }\n }\n\n return requiredModules\n}\n\nmodule.exports = function (moduleId, options) {\n options = options || {}\n var sources = {\n main: __webpack_modules__\n }\n\n var requiredModules = options.all ? { main: Object.keys(sources.main) } : getRequiredModules(sources, moduleId)\n\n var src = ''\n\n Object.keys(requiredModules).filter(function (m) { return m !== 'main' }).forEach(function (module) {\n var entryModule = 0\n while (requiredModules[module][entryModule]) {\n entryModule++\n }\n requiredModules[module].push(entryModule)\n sources[module][entryModule] = '(function(module, exports, __webpack_require__) { module.exports = __webpack_require__; })'\n src = src + 'var ' + module + ' = (' + webpackBootstrapFunc.toString().replace('ENTRY_MODULE', JSON.stringify(entryModule)) + ')({' + requiredModules[module].map(function (id) { return '' + JSON.stringify(id) + ': ' + sources[module][id].toString() }).join(',') + '});\\n'\n })\n\n src = src + 'new ((' + webpackBootstrapFunc.toString().replace('ENTRY_MODULE', JSON.stringify(moduleId)) + ')({' + requiredModules.main.map(function (id) { return '' + JSON.stringify(id) + ': ' + sources.main[id].toString() }).join(',') + '}))(self);'\n\n var blob = new window.Blob([src], { type: 'text/javascript' })\n if (options.bare) { return blob }\n\n var URL = window.URL || window.webkitURL || window.mozURL || window.msURL\n\n var workerUrl = URL.createObjectURL(blob)\n var worker = new window.Worker(workerUrl)\n worker.objectURL = workerUrl\n\n return worker\n}\n","/* demuxer web worker.\n * - listen to worker message, and trigger DemuxerInline upon reception of Fragments.\n * - provides MP4 Boxes back to main thread using [transferable objects](https://developers.google.com/web/updates/2011/12/Transferable-Objects-Lightning-Fast) in order to minimize message passing overhead.\n */\n\nimport DemuxerInline from '../demux/demuxer-inline';\nimport Event from '../events';\nimport { enableLogs } from '../utils/logger';\n\nimport { EventEmitter } from 'eventemitter3';\n\nlet DemuxerWorker = function (self) {\n // observer setup\n let observer = new EventEmitter();\n observer.trigger = function trigger (event, ...data) {\n observer.emit(event, event, ...data);\n };\n\n observer.off = function off (event, ...data) {\n observer.removeListener(event, ...data);\n };\n\n let forwardMessage = function (ev, data) {\n self.postMessage({ event: ev, data: data });\n };\n\n self.addEventListener('message', function (ev) {\n let data = ev.data;\n // console.log('demuxer cmd:' + data.cmd);\n switch (data.cmd) {\n case 'init':\n const config = JSON.parse(data.config);\n self.demuxer = new DemuxerInline(observer, data.typeSupported, config, data.vendor);\n\n enableLogs(config.debug);\n\n // signal end of worker init\n forwardMessage('init', null);\n break;\n case 'demux':\n self.demuxer.push(data.data, data.decryptdata, data.initSegment, data.audioCodec, data.videoCodec, data.timeOffset, data.discontinuity, data.trackSwitch, data.contiguous, data.duration, data.accurateTimeOffset, data.defaultInitPTS);\n break;\n default:\n break;\n }\n });\n\n // forward events to main thread\n observer.on(Event.FRAG_DECRYPTED, forwardMessage);\n observer.on(Event.FRAG_PARSING_INIT_SEGMENT, forwardMessage);\n observer.on(Event.FRAG_PARSED, forwardMessage);\n observer.on(Event.ERROR, forwardMessage);\n observer.on(Event.FRAG_PARSING_METADATA, forwardMessage);\n observer.on(Event.FRAG_PARSING_USERDATA, forwardMessage);\n observer.on(Event.INIT_PTS_FOUND, forwardMessage);\n\n // special case for FRAG_PARSING_DATA: pass data1/data2 as transferable object (no copy)\n observer.on(Event.FRAG_PARSING_DATA, function (ev, data) {\n let transferable = [];\n let message = { event: ev, data: data };\n if (data.data1) {\n message.data1 = data.data1.buffer;\n transferable.push(data.data1.buffer);\n delete data.data1;\n }\n if (data.data2) {\n message.data2 = data.data2.buffer;\n transferable.push(data.data2.buffer);\n delete data.data2;\n }\n self.postMessage(message, transferable);\n });\n};\n\nexport default DemuxerWorker;\n","import Level from '../loader/level';\n\nexport interface LoaderContext {\n // target URL\n url: string\n // loader response type (arraybuffer or default response type for playlist)\n responseType: string\n // start byte range offset\n rangeStart?: number\n // end byte range offset\n rangeEnd?: number\n // true if onProgress should report partial chunk of loaded content\n progressData?: boolean\n}\n\nexport interface LoaderConfiguration {\n // Max number of load retries\n maxRetry: number\n // Timeout after which `onTimeOut` callback will be triggered\n // (if loading is still not finished after that delay)\n timeout: number\n // Delay between an I/O error and following connection retry (ms).\n // This to avoid spamming the server\n retryDelay: number\n // max connection retry delay (ms)\n maxRetryDelay: number\n}\n\nexport interface LoaderResponse {\n url: string,\n // TODO(jstackhouse): SharedArrayBuffer, es2017 extension to TS\n data: string | ArrayBuffer\n}\n\nexport interface LoaderStats {\n // performance.now() just after load() has been called\n trequest: number\n // performance.now() of first received byte\n tfirst: number\n // performance.now() on load complete\n tload: number\n // performance.now() on parse completion\n tparsed: number\n // number of loaded bytes\n loaded: number\n // total number of bytes\n total: number\n}\n\ntype LoaderOnSuccess < T extends LoaderContext > = (\n response: LoaderResponse,\n stats: LoaderStats,\n context: T,\n networkDetails: any\n) => void;\n\ntype LoaderOnProgress < T extends LoaderContext > = (\n stats: LoaderStats,\n context: T,\n data: string | ArrayBuffer,\n networkDetails: any,\n) => void;\n\ntype LoaderOnError < T extends LoaderContext > = (\n error: {\n // error status code\n code: number,\n // error description\n text: string,\n },\n context: T,\n networkDetails: any,\n) => void;\n\ntype LoaderOnTimeout < T extends LoaderContext > = (\n stats: LoaderStats,\n context: T,\n) => void;\n\nexport interface LoaderCallbacks<T extends LoaderContext>{\n onSuccess: LoaderOnSuccess<T>,\n onError: LoaderOnError<T>,\n onTimeout: LoaderOnTimeout<T>,\n onProgress?: LoaderOnProgress<T>,\n}\n\nexport interface Loader<T extends LoaderContext> {\n destroy(): void\n abort(): void\n load(\n context: LoaderContext,\n config: LoaderConfiguration,\n callbacks: LoaderCallbacks<T>,\n ): void\n\n context: T\n}\n\n/**\n * `type` property values for this loaders' context object\n * @enum\n *\n */\nexport enum PlaylistContextType {\n MANIFEST = 'manifest',\n LEVEL = 'level',\n AUDIO_TRACK = 'audioTrack',\n SUBTITLE_TRACK= 'subtitleTrack'\n}\n\n/**\n * @enum {string}\n */\nexport enum PlaylistLevelType {\n MAIN = 'main',\n AUDIO = 'audio',\n SUBTITLE = 'subtitle'\n}\n\nexport interface PlaylistLoaderContext extends LoaderContext {\n loader?: Loader<PlaylistLoaderContext>\n\n type: PlaylistContextType\n // the level index to load\n level: number | null\n // TODO: what is id?\n id: number | null\n // defines if the loader is handling a sidx request for the playlist\n isSidxRequest?: boolean\n // internal reprsentation of a parsed m3u8 level playlist\n levelDetails?: Level\n}\n","/*\n*\n* All objects in the event handling chain should inherit from this class\n*\n*/\n\nimport { logger } from './utils/logger';\nimport { ErrorTypes, ErrorDetails } from './errors';\nimport Event from './events';\nimport Hls from './hls';\n\nconst FORBIDDEN_EVENT_NAMES = {\n 'hlsEventGeneric': true,\n 'hlsHandlerDestroying': true,\n 'hlsHandlerDestroyed': true\n};\n\nclass EventHandler {\n hls: Hls;\n handledEvents: any[];\n useGenericHandler: boolean;\n\n constructor (hls: Hls, ...events: any[]) {\n this.hls = hls;\n this.onEvent = this.onEvent.bind(this);\n this.handledEvents = events;\n this.useGenericHandler = true;\n\n this.registerListeners();\n }\n\n destroy () {\n this.onHandlerDestroying();\n this.unregisterListeners();\n this.onHandlerDestroyed();\n }\n\n protected onHandlerDestroying () {}\n protected onHandlerDestroyed () {}\n\n isEventHandler () {\n return typeof this.handledEvents === 'object' && this.handledEvents.length && typeof this.onEvent === 'function';\n }\n\n registerListeners () {\n if (this.isEventHandler()) {\n this.handledEvents.forEach(function (event) {\n if (FORBIDDEN_EVENT_NAMES[event]) {\n throw new Error('Forbidden event-name: ' + event);\n }\n\n this.hls.on(event, this.onEvent);\n }, this);\n }\n }\n\n unregisterListeners () {\n if (this.isEventHandler()) {\n this.handledEvents.forEach(function (event) {\n this.hls.off(event, this.onEvent);\n }, this);\n }\n }\n\n /**\n * arguments: event (string), data (any)\n */\n onEvent (event: string, data: any) {\n this.onEventGeneric(event, data);\n }\n\n onEventGeneric (event: string, data: any) {\n let eventToFunction = function (event: string, data: any) {\n let funcName = 'on' + event.replace('hls', '');\n if (typeof this[funcName] !== 'function') {\n throw new Error(`Event ${event} has no generic handler in this ${this.constructor.name} class (tried ${funcName})`);\n }\n\n return this[funcName].bind(this, data);\n };\n try {\n eventToFunction.call(this, event, data).call();\n } catch (err) {\n logger.error(`An internal error happened while handling event ${event}. Error message: \"${err.message}\". Here is a stacktrace:`, err);\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.OTHER_ERROR, details: ErrorDetails.INTERNAL_EXCEPTION, fatal: false, event: event, err: err });\n }\n }\n}\n\nexport default EventHandler;\n","\nimport { buildAbsoluteURL } from 'url-toolkit';\nimport { logger } from '../utils/logger';\nimport LevelKey from './level-key';\nimport { PlaylistLevelType } from '../types/loader';\n\nexport enum ElementaryStreamTypes {\n AUDIO = 'audio',\n VIDEO = 'video',\n}\n\nexport default class Fragment {\n private _url: string | null = null;\n private _byteRange: number[] | null = null;\n private _decryptdata: LevelKey | null = null;\n\n // Holds the types of data this fragment supports\n private _elementaryStreams: Record<ElementaryStreamTypes, boolean> = {\n [ElementaryStreamTypes.AUDIO]: false,\n [ElementaryStreamTypes.VIDEO]: false\n };\n\n // deltaPTS tracks the change in presentation timestamp between fragments\n public deltaPTS: number = 0;\n\n public rawProgramDateTime: string | null = null;\n public programDateTime: number | null = null;\n public title: string | null = null;\n public tagList: Array<string[]> = [];\n\n // TODO: Move at least baseurl to constructor.\n // Currently we do a two-pass construction as use the Fragment class almost like a object for holding parsing state.\n // It may make more sense to just use a POJO to keep state during the parsing phase.\n // Have Fragment be the representation once we have a known state?\n // Something to think on.\n\n // Discontinuity Counter\n public cc!: number;\n\n public type!: PlaylistLevelType;\n // relurl is the portion of the URL that comes from inside the playlist.\n public relurl!: string;\n // baseurl is the URL to the playlist\n public baseurl!: string;\n // EXTINF has to be present for a m3u8 to be considered valid\n public duration!: number;\n // When this segment starts in the timeline\n public start!: number;\n // sn notates the sequence number for a segment, and if set to a string can be 'initSegment'\n public sn: number | 'initSegment' = 0;\n\n public urlId: number = 0;\n // level matches this fragment to a index playlist\n public level: number = 0;\n // levelkey is the EXT-X-KEY that applies to this segment for decryption\n // core difference from the private field _decryptdata is the lack of the initialized IV\n // _decryptdata will set the IV for this segment based on the segment number in the fragment\n public levelkey?: LevelKey;\n\n // TODO(typescript-xhrloader)\n public loader: any;\n\n // setByteRange converts a EXT-X-BYTERANGE attribute into a two element array\n setByteRange (value: string, previousFrag?: Fragment) {\n const params = value.split('@', 2);\n const byteRange: number[] = [];\n if (params.length === 1) {\n byteRange[0] = previousFrag ? previousFrag.byteRangeEndOffset : 0;\n } else {\n byteRange[0] = parseInt(params[1]);\n }\n byteRange[1] = parseInt(params[0]) + byteRange[0];\n this._byteRange = byteRange;\n }\n\n get url () {\n if (!this._url && this.relurl) {\n this._url = buildAbsoluteURL(this.baseurl, this.relurl, { alwaysNormalize: true });\n }\n\n return this._url;\n }\n\n set url (value) {\n this._url = value;\n }\n\n get byteRange (): number[] {\n if (!this._byteRange) {\n return [];\n }\n\n return this._byteRange;\n }\n\n /**\n * @type {number}\n */\n get byteRangeStartOffset () {\n return this.byteRange[0];\n }\n\n get byteRangeEndOffset () {\n return this.byteRange[1];\n }\n\n get decryptdata (): LevelKey | null {\n if (!this.levelkey && !this._decryptdata) {\n return null;\n }\n\n if (!this._decryptdata && this.levelkey) {\n let sn = this.sn;\n if (typeof sn !== 'number') {\n // We are fetching decryption data for a initialization segment\n // If the segment was encrypted with AES-128\n // It must have an IV defined. We cannot substitute the Segment Number in.\n if (this.levelkey && this.levelkey.method === 'AES-128' && !this.levelkey.iv) {\n logger.warn(`missing IV for initialization segment with method=\"${this.levelkey.method}\" - compliance issue`);\n }\n\n /*\n Be converted to a Number.\n 'initSegment' will become NaN.\n NaN, which when converted through ToInt32() -> +0.\n ---\n Explicitly set sn to resulting value from implicit conversions 'initSegment' values for IV generation.\n */\n sn = 0;\n }\n this._decryptdata = this.setDecryptDataFromLevelKey(this.levelkey, sn);\n }\n\n return this._decryptdata;\n }\n\n get endProgramDateTime () {\n if (this.programDateTime === null) {\n return null;\n }\n\n if (!Number.isFinite(this.programDateTime)) {\n return null;\n }\n\n let duration = !Number.isFinite(this.duration) ? 0 : this.duration;\n\n return this.programDateTime + (duration * 1000);\n }\n\n get encrypted () {\n return !!((this.decryptdata && this.decryptdata.uri !== null) && (this.decryptdata.key === null));\n }\n\n /**\n * @param {ElementaryStreamTypes} type\n */\n addElementaryStream (type: ElementaryStreamTypes) {\n this._elementaryStreams[type] = true;\n }\n\n /**\n * @param {ElementaryStreamTypes} type\n */\n hasElementaryStream (type: ElementaryStreamTypes) {\n return this._elementaryStreams[type] === true;\n }\n\n /**\n * Utility method for parseLevelPlaylist to create an initialization vector for a given segment\n * @param {number} segmentNumber - segment number to generate IV with\n * @returns {Uint8Array}\n */\n createInitializationVector (segmentNumber: number): Uint8Array {\n let uint8View = new Uint8Array(16);\n\n for (let i = 12; i < 16; i++) {\n uint8View[i] = (segmentNumber >> 8 * (15 - i)) & 0xff;\n }\n\n return uint8View;\n }\n\n /**\n * Utility method for parseLevelPlaylist to get a fragment's decryption data from the currently parsed encryption key data\n * @param levelkey - a playlist's encryption info\n * @param segmentNumber - the fragment's segment number\n * @returns {LevelKey} - an object to be applied as a fragment's decryptdata\n */\n setDecryptDataFromLevelKey (levelkey: LevelKey, segmentNumber: number): LevelKey {\n let decryptdata = levelkey;\n\n if (levelkey && levelkey.method && levelkey.uri && !levelkey.iv) {\n decryptdata = new LevelKey(levelkey.baseuri, levelkey.reluri);\n decryptdata.method = levelkey.method;\n decryptdata.iv = this.createInitializationVector(segmentNumber);\n }\n\n return decryptdata;\n }\n}\n","import { buildAbsoluteURL } from 'url-toolkit';\n\nexport default class LevelKey {\n private _uri: string | null = null;\n\n public baseuri: string;\n public reluri: string;\n public method: string | null = null;\n public key: Uint8Array | null = null;\n public iv: Uint8Array | null = null;\n\n constructor (baseURI: string, relativeURI: string) {\n this.baseuri = baseURI;\n this.reluri = relativeURI;\n }\n\n get uri () {\n if (!this._uri && this.reluri) {\n this._uri = buildAbsoluteURL(this.baseuri, this.reluri, { alwaysNormalize: true });\n }\n\n return this._uri;\n }\n}\n","export default class Level {\n constructor (baseUrl) {\n // Please keep properties in alphabetical order\n this.endCC = 0;\n this.endSN = 0;\n this.fragments = [];\n this.initSegment = null;\n this.live = true;\n this.needSidxRanges = false;\n this.startCC = 0;\n this.startSN = 0;\n this.startTimeOffset = null;\n this.targetduration = 0;\n this.totalduration = 0;\n this.type = null;\n this.url = baseUrl;\n this.version = null;\n }\n\n get hasProgramDateTime () {\n return !!(this.fragments[0] && Number.isFinite(this.fragments[0].programDateTime));\n }\n}\n","const DECIMAL_RESOLUTION_REGEX = /^(\\d+)x(\\d+)$/; // eslint-disable-line no-useless-escape\nconst ATTR_LIST_REGEX = /\\s*(.+?)\\s*=((?:\\\".*?\\\")|.*?)(?:,|$)/g; // eslint-disable-line no-useless-escape\n\n// adapted from https://github.com/kanongil/node-m3u8parse/blob/master/attrlist.js\nclass AttrList {\n constructor (attrs) {\n if (typeof attrs === 'string') {\n attrs = AttrList.parseAttrList(attrs);\n }\n\n for (let attr in attrs) {\n if (attrs.hasOwnProperty(attr)) {\n this[attr] = attrs[attr];\n }\n }\n }\n\n decimalInteger (attrName) {\n const intValue = parseInt(this[attrName], 10);\n if (intValue > Number.MAX_SAFE_INTEGER) {\n return Infinity;\n }\n\n return intValue;\n }\n\n hexadecimalInteger (attrName) {\n if (this[attrName]) {\n let stringValue = (this[attrName] || '0x').slice(2);\n stringValue = ((stringValue.length & 1) ? '0' : '') + stringValue;\n\n const value = new Uint8Array(stringValue.length / 2);\n for (let i = 0; i < stringValue.length / 2; i++) {\n value[i] = parseInt(stringValue.slice(i * 2, i * 2 + 2), 16);\n }\n\n return value;\n } else {\n return null;\n }\n }\n\n hexadecimalIntegerAsNumber (attrName) {\n const intValue = parseInt(this[attrName], 16);\n if (intValue > Number.MAX_SAFE_INTEGER) {\n return Infinity;\n }\n\n return intValue;\n }\n\n decimalFloatingPoint (attrName) {\n return parseFloat(this[attrName]);\n }\n\n enumeratedString (attrName) {\n return this[attrName];\n }\n\n decimalResolution (attrName) {\n const res = DECIMAL_RESOLUTION_REGEX.exec(this[attrName]);\n if (res === null) {\n return undefined;\n }\n\n return {\n width: parseInt(res[1], 10),\n height: parseInt(res[2], 10)\n };\n }\n\n static parseAttrList (input) {\n let match, attrs = {};\n ATTR_LIST_REGEX.lastIndex = 0;\n while ((match = ATTR_LIST_REGEX.exec(input)) !== null) {\n let value = match[2], quote = '\"';\n\n if (value.indexOf(quote) === 0 &&\n value.lastIndexOf(quote) === (value.length - 1)) {\n value = value.slice(1, -1);\n }\n\n attrs[match[1]] = value;\n }\n return attrs;\n }\n}\n\nexport default AttrList;\n","// from http://mp4ra.org/codecs.html\nconst sampleEntryCodesISO = {\n audio: {\n 'a3ds': true,\n 'ac-3': true,\n 'ac-4': true,\n 'alac': true,\n 'alaw': true,\n 'dra1': true,\n 'dts+': true,\n 'dts-': true,\n 'dtsc': true,\n 'dtse': true,\n 'dtsh': true,\n 'ec-3': true,\n 'enca': true,\n 'g719': true,\n 'g726': true,\n 'm4ae': true,\n 'mha1': true,\n 'mha2': true,\n 'mhm1': true,\n 'mhm2': true,\n 'mlpa': true,\n 'mp4a': true,\n 'raw ': true,\n 'Opus': true,\n 'samr': true,\n 'sawb': true,\n 'sawp': true,\n 'sevc': true,\n 'sqcp': true,\n 'ssmv': true,\n 'twos': true,\n 'ulaw': true\n },\n video: {\n 'avc1': true,\n 'avc2': true,\n 'avc3': true,\n 'avc4': true,\n 'avcp': true,\n 'drac': true,\n 'dvav': true,\n 'dvhe': true,\n 'encv': true,\n 'hev1': true,\n 'hvc1': true,\n 'mjp2': true,\n 'mp4v': true,\n 'mvc1': true,\n 'mvc2': true,\n 'mvc3': true,\n 'mvc4': true,\n 'resv': true,\n 'rv60': true,\n 's263': true,\n 'svc1': true,\n 'svc2': true,\n 'vc-1': true,\n 'vp08': true,\n 'vp09': true\n }\n};\n\nexport type CodecType = 'audio' | 'video';\n\nfunction isCodecType (codec: string, type: CodecType): boolean {\n const typeCodes = sampleEntryCodesISO[type];\n return !!typeCodes && typeCodes[codec.slice(0, 4)] === true;\n}\n\nfunction isCodecSupportedInMp4 (codec: string, type: CodecType): boolean {\n return MediaSource.isTypeSupported(`${type || 'video'}/mp4;codecs=\"${codec}\"`);\n}\n\nexport { isCodecType, isCodecSupportedInMp4 };\n","import * as URLToolkit from 'url-toolkit';\n\nimport Fragment from './fragment';\nimport Level from './level';\nimport LevelKey from './level-key';\n\nimport AttrList from '../utils/attr-list';\nimport { logger } from '../utils/logger';\nimport { isCodecType, CodecType } from '../utils/codecs';\nimport { MediaPlaylist, AudioGroup, MediaPlaylistType } from '../types/media-playlist';\nimport { PlaylistLevelType } from '../types/loader';\n\n/**\n * M3U8 parser\n * @module\n */\n\n// https://regex101.com is your friend\nconst MASTER_PLAYLIST_REGEX = /#EXT-X-STREAM-INF:([^\\n\\r]*)[\\r\\n]+([^\\r\\n]+)/g;\nconst MASTER_PLAYLIST_MEDIA_REGEX = /#EXT-X-MEDIA:(.*)/g;\n\nconst LEVEL_PLAYLIST_REGEX_FAST = new RegExp([\n /#EXTINF:\\s*(\\d*(?:\\.\\d+)?)(?:,(.*)\\s+)?/.source, // duration (#EXTINF:<duration>,<title>), group 1 => duration, group 2 => title\n /|(?!#)([\\S+ ?]+)/.source, // segment URI, group 3 => the URI (note newline is not eaten)\n /|#EXT-X-BYTERANGE:*(.+)/.source, // next segment's byterange, group 4 => range spec (x@y)\n /|#EXT-X-PROGRAM-DATE-TIME:(.+)/.source, // next segment's program date/time group 5 => the datetime spec\n /|#.*/.source // All other non-segment oriented tags will match with all groups empty\n].join(''), 'g');\n\nconst LEVEL_PLAYLIST_REGEX_SLOW = /(?:(?:#(EXTM3U))|(?:#EXT-X-(PLAYLIST-TYPE):(.+))|(?:#EXT-X-(MEDIA-SEQUENCE): *(\\d+))|(?:#EXT-X-(TARGETDURATION): *(\\d+))|(?:#EXT-X-(KEY):(.+))|(?:#EXT-X-(START):(.+))|(?:#EXT-X-(ENDLIST))|(?:#EXT-X-(DISCONTINUITY-SEQ)UENCE:(\\d+))|(?:#EXT-X-(DIS)CONTINUITY))|(?:#EXT-X-(VERSION):(\\d+))|(?:#EXT-X-(MAP):(.+))|(?:(#)([^:]*):(.*))|(?:(#)(.*))(?:.*)\\r?\\n?/;\n\nconst MP4_REGEX_SUFFIX = /\\.(mp4|m4s|m4v|m4a)$/i;\n\nexport default class M3U8Parser {\n static findGroup (groups: Array<AudioGroup>, mediaGroupId: string): AudioGroup | undefined {\n for (let i = 0; i < groups.length; i++) {\n const group = groups[i];\n if (group.id === mediaGroupId) {\n return group;\n }\n }\n }\n\n static convertAVC1ToAVCOTI (codec) {\n let avcdata = codec.split('.');\n let result;\n if (avcdata.length > 2) {\n result = avcdata.shift() + '.';\n result += parseInt(avcdata.shift()).toString(16);\n result += ('000' + parseInt(avcdata.shift()).toString(16)).substr(-4);\n } else {\n result = codec;\n }\n return result;\n }\n\n static resolve (url, baseUrl) {\n return URLToolkit.buildAbsoluteURL(baseUrl, url, { alwaysNormalize: true });\n }\n\n static parseMasterPlaylist (string: string, baseurl: string) {\n // TODO(typescript-level)\n let levels: Array<any> = [];\n MASTER_PLAYLIST_REGEX.lastIndex = 0;\n\n // TODO(typescript-level)\n function setCodecs (codecs: Array<string>, level: any) {\n ['video', 'audio'].forEach((type: CodecType) => {\n const filtered = codecs.filter((codec) => isCodecType(codec, type));\n if (filtered.length) {\n const preferred = filtered.filter((codec) => {\n return codec.lastIndexOf('avc1', 0) === 0 || codec.lastIndexOf('mp4a', 0) === 0;\n });\n level[`${type}Codec`] = preferred.length > 0 ? preferred[0] : filtered[0];\n\n // remove from list\n codecs = codecs.filter((codec) => filtered.indexOf(codec) === -1);\n }\n });\n\n level.unknownCodecs = codecs;\n }\n\n let result: RegExpExecArray | null;\n while ((result = MASTER_PLAYLIST_REGEX.exec(string)) != null) {\n // TODO(typescript-level)\n const level: any = {};\n\n const attrs = level.attrs = new AttrList(result[1]);\n level.url = M3U8Parser.resolve(result[2], baseurl);\n\n const resolution = attrs.decimalResolution('RESOLUTION');\n if (resolution) {\n level.width = resolution.width;\n level.height = resolution.height;\n }\n level.bitrate = attrs.decimalInteger('AVERAGE-BANDWIDTH') || attrs.decimalInteger('BANDWIDTH');\n level.name = attrs.NAME;\n\n setCodecs([].concat((attrs.CODECS || '').split(/[ ,]+/)), level);\n\n if (level.videoCodec && level.videoCodec.indexOf('avc1') !== -1) {\n level.videoCodec = M3U8Parser.convertAVC1ToAVCOTI(level.videoCodec);\n }\n\n levels.push(level);\n }\n return levels;\n }\n\n static parseMasterPlaylistMedia (string: string, baseurl: string, type: MediaPlaylistType, audioGroups: Array<AudioGroup> = []): Array<MediaPlaylist> {\n let result: RegExpExecArray | null;\n let medias: Array<MediaPlaylist> = [];\n let id = 0;\n MASTER_PLAYLIST_MEDIA_REGEX.lastIndex = 0;\n while ((result = MASTER_PLAYLIST_MEDIA_REGEX.exec(string)) !== null) {\n const attrs = new AttrList(result[1]);\n if (attrs.TYPE === type) {\n const media: MediaPlaylist = {\n id: id++,\n groupId: attrs['GROUP-ID'],\n name: attrs.NAME || attrs.LANGUAGE,\n type,\n default: (attrs.DEFAULT === 'YES'),\n autoselect: (attrs.AUTOSELECT === 'YES'),\n forced: (attrs.FORCED === 'YES'),\n lang: attrs.LANGUAGE\n };\n\n if (attrs.URI) {\n media.url = M3U8Parser.resolve(attrs.URI, baseurl);\n }\n\n if (audioGroups.length) {\n // If there are audio groups signalled in the manifest, let's look for a matching codec string for this track\n const groupCodec = M3U8Parser.findGroup(audioGroups, media.groupId as string);\n\n // If we don't find the track signalled, lets use the first audio groups codec we have\n // Acting as a best guess\n media.audioCodec = groupCodec ? groupCodec.codec : audioGroups[0].codec;\n }\n\n medias.push(media);\n }\n }\n return medias;\n }\n\n static parseLevelPlaylist (string: string, baseurl: string, id: number, type: PlaylistLevelType, levelUrlId: number) {\n let currentSN = 0;\n let totalduration = 0;\n let level = new Level(baseurl);\n let discontinuityCounter = 0;\n let prevFrag: Fragment | null = null;\n let frag: Fragment | null = new Fragment();\n let result: RegExpExecArray | RegExpMatchArray | null;\n let i: number;\n let levelkey: LevelKey | undefined;\n\n let firstPdtIndex = null;\n\n LEVEL_PLAYLIST_REGEX_FAST.lastIndex = 0;\n\n while ((result = LEVEL_PLAYLIST_REGEX_FAST.exec(string)) !== null) {\n const duration = result[1];\n if (duration) { // INF\n frag.duration = parseFloat(duration);\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n const title = (' ' + result[2]).slice(1);\n frag.title = title || null;\n frag.tagList.push(title ? [ 'INF', duration, title ] : [ 'INF', duration ]);\n } else if (result[3]) { // url\n if (Number.isFinite(frag.duration)) {\n const sn = currentSN++;\n frag.type = type;\n frag.start = totalduration;\n if (levelkey) {\n frag.levelkey = levelkey;\n }\n frag.sn = sn;\n frag.level = id;\n frag.cc = discontinuityCounter;\n frag.urlId = levelUrlId;\n frag.baseurl = baseurl;\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n frag.relurl = (' ' + result[3]).slice(1);\n assignProgramDateTime(frag, prevFrag);\n\n level.fragments.push(frag);\n prevFrag = frag;\n totalduration += frag.duration;\n\n frag = new Fragment();\n }\n } else if (result[4]) { // X-BYTERANGE\n const data = (' ' + result[4]).slice(1);\n if (prevFrag) {\n frag.setByteRange(data, prevFrag);\n } else {\n frag.setByteRange(data);\n }\n } else if (result[5]) { // PROGRAM-DATE-TIME\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n frag.rawProgramDateTime = (' ' + result[5]).slice(1);\n frag.tagList.push(['PROGRAM-DATE-TIME', frag.rawProgramDateTime]);\n if (firstPdtIndex === null) {\n firstPdtIndex = level.fragments.length;\n }\n } else {\n result = result[0].match(LEVEL_PLAYLIST_REGEX_SLOW);\n if (!result) {\n logger.warn('No matches on slow regex match for level playlist!');\n continue;\n }\n for (i = 1; i < result.length; i++) {\n if (typeof result[i] !== 'undefined') {\n break;\n }\n }\n\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n const value1 = (' ' + result[i + 1]).slice(1);\n const value2 = (' ' + result[i + 2]).slice(1);\n\n switch (result[i]) {\n case '#':\n frag.tagList.push(value2 ? [ value1, value2 ] : [ value1 ]);\n break;\n case 'PLAYLIST-TYPE':\n level.type = value1.toUpperCase();\n break;\n case 'MEDIA-SEQUENCE':\n currentSN = level.startSN = parseInt(value1);\n break;\n case 'TARGETDURATION':\n level.targetduration = parseFloat(value1);\n break;\n case 'VERSION':\n level.version = parseInt(value1);\n break;\n case 'EXTM3U':\n break;\n case 'ENDLIST':\n level.live = false;\n break;\n case 'DIS':\n discontinuityCounter++;\n frag.tagList.push(['DIS']);\n break;\n case 'DISCONTINUITY-SEQ':\n discontinuityCounter = parseInt(value1);\n break;\n case 'KEY': {\n // https://tools.ietf.org/html/draft-pantos-http-live-streaming-08#section-3.4.4\n const decryptparams = value1;\n const keyAttrs = new AttrList(decryptparams);\n const decryptmethod = keyAttrs.enumeratedString('METHOD');\n const decrypturi = keyAttrs.URI;\n const decryptiv = keyAttrs.hexadecimalInteger('IV');\n\n if (decryptmethod) {\n levelkey = new LevelKey(baseurl, decrypturi);\n if ((decrypturi) && (['AES-128', 'SAMPLE-AES', 'SAMPLE-AES-CENC'].indexOf(decryptmethod) >= 0)) {\n levelkey.method = decryptmethod;\n levelkey.key = null;\n // Initialization Vector (IV)\n levelkey.iv = decryptiv;\n }\n }\n break;\n }\n case 'START': {\n const startAttrs = new AttrList(value1);\n const startTimeOffset = startAttrs.decimalFloatingPoint('TIME-OFFSET');\n // TIME-OFFSET can be 0\n if (Number.isFinite(startTimeOffset)) {\n level.startTimeOffset = startTimeOffset;\n }\n break;\n }\n case 'MAP': {\n const mapAttrs = new AttrList(value1);\n frag.relurl = mapAttrs.URI;\n if (mapAttrs.BYTERANGE) {\n frag.setByteRange(mapAttrs.BYTERANGE);\n }\n frag.baseurl = baseurl;\n frag.level = id;\n frag.type = type;\n frag.sn = 'initSegment';\n level.initSegment = frag;\n frag = new Fragment();\n frag.rawProgramDateTime = level.initSegment.rawProgramDateTime;\n break;\n }\n default:\n logger.warn(`line parsed but not handled: ${result}`);\n break;\n }\n }\n }\n frag = prevFrag;\n // logger.log('found ' + level.fragments.length + ' fragments');\n if (frag && !frag.relurl) {\n level.fragments.pop();\n totalduration -= frag.duration;\n }\n level.totalduration = totalduration;\n level.averagetargetduration = totalduration / level.fragments.length;\n level.endSN = currentSN - 1;\n level.startCC = level.fragments[0] ? level.fragments[0].cc : 0;\n level.endCC = discontinuityCounter;\n\n if (!level.initSegment && level.fragments.length) {\n // this is a bit lurky but HLS really has no other way to tell us\n // if the fragments are TS or MP4, except if we download them :/\n // but this is to be able to handle SIDX.\n if (level.fragments.every((frag) => MP4_REGEX_SUFFIX.test(frag.relurl))) {\n logger.warn('MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX');\n\n frag = new Fragment();\n frag.relurl = level.fragments[0].relurl;\n frag.baseurl = baseurl;\n frag.level = id;\n frag.type = type;\n frag.sn = 'initSegment';\n\n level.initSegment = frag;\n level.needSidxRanges = true;\n }\n }\n\n /**\n * Backfill any missing PDT values\n \"If the first EXT-X-PROGRAM-DATE-TIME tag in a Playlist appears after\n one or more Media Segment URIs, the client SHOULD extrapolate\n backward from that tag (using EXTINF durations and/or media\n timestamps) to associate dates with those segments.\"\n * We have already extrapolated forward, but all fragments up to the first instance of PDT do not have their PDTs\n * computed.\n */\n if (firstPdtIndex) {\n backfillProgramDateTimes(level.fragments, firstPdtIndex);\n }\n\n return level;\n }\n}\n\nfunction backfillProgramDateTimes (fragments, startIndex) {\n let fragPrev = fragments[startIndex];\n for (let i = startIndex - 1; i >= 0; i--) {\n const frag = fragments[i];\n frag.programDateTime = fragPrev.programDateTime - (frag.duration * 1000);\n fragPrev = frag;\n }\n}\n\nfunction assignProgramDateTime (frag, prevFrag) {\n if (frag.rawProgramDateTime) {\n frag.programDateTime = Date.parse(frag.rawProgramDateTime);\n } else if (prevFrag && prevFrag.programDateTime) {\n frag.programDateTime = prevFrag.endProgramDateTime;\n }\n\n if (!Number.isFinite(frag.programDateTime)) {\n frag.programDateTime = null;\n frag.rawProgramDateTime = null;\n }\n}\n","/**\n * PlaylistLoader - delegate for media manifest/playlist loading tasks. Takes care of parsing media to internal data-models.\n *\n * Once loaded, dispatches events with parsed data-models of manifest/levels/audio/subtitle tracks.\n *\n * Uses loader(s) set in config to do actual internal loading of resource tasks.\n *\n * @module\n *\n */\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport { Loader, PlaylistContextType, PlaylistLoaderContext, PlaylistLevelType, LoaderCallbacks, LoaderResponse, LoaderStats, LoaderConfiguration } from '../types/loader';\nimport MP4Demuxer from '../demux/mp4demuxer';\nimport M3U8Parser from './m3u8-parser';\nimport { AudioGroup } from '../types/media-playlist';\n\nconst { performance } = window;\n\n/**\n * @constructor\n */\nclass PlaylistLoader extends EventHandler {\n private loaders: Partial<Record<PlaylistContextType, Loader<PlaylistLoaderContext>>> = {};\n\n /**\n * @constructs\n * @param {Hls} hls\n */\n constructor (hls) {\n super(hls,\n Event.MANIFEST_LOADING,\n Event.LEVEL_LOADING,\n Event.AUDIO_TRACK_LOADING,\n Event.SUBTITLE_TRACK_LOADING);\n }\n\n /**\n * @param {PlaylistContextType} type\n * @returns {boolean}\n */\n static canHaveQualityLevels (type: PlaylistContextType): boolean {\n return (type !== PlaylistContextType.AUDIO_TRACK &&\n type !== PlaylistContextType.SUBTITLE_TRACK);\n }\n\n /**\n * Map context.type to LevelType\n * @param {PlaylistLoaderContext} context\n * @returns {LevelType}\n */\n static mapContextToLevelType (context: PlaylistLoaderContext): PlaylistLevelType {\n const { type } = context;\n\n switch (type) {\n case PlaylistContextType.AUDIO_TRACK:\n return PlaylistLevelType.AUDIO;\n case PlaylistContextType.SUBTITLE_TRACK:\n return PlaylistLevelType.SUBTITLE;\n default:\n return PlaylistLevelType.MAIN;\n }\n }\n\n static getResponseUrl (response: LoaderResponse, context: PlaylistLoaderContext): string {\n let url = response.url;\n // responseURL not supported on some browsers (it is used to detect URL redirection)\n // data-uri mode also not supported (but no need to detect redirection)\n if (url === undefined || url.indexOf('data:') === 0) {\n // fallback to initial URL\n url = context.url;\n }\n return url;\n }\n\n /**\n * Returns defaults or configured loader-type overloads (pLoader and loader config params)\n * Default loader is XHRLoader (see utils)\n * @param {PlaylistLoaderContext} context\n * @returns {Loader} or other compatible configured overload\n */\n createInternalLoader (context: PlaylistLoaderContext): Loader<PlaylistLoaderContext> {\n const config = this.hls.config;\n const PLoader = config.pLoader;\n const Loader = config.loader;\n // TODO(typescript-config): Verify once config is typed that InternalLoader always returns a Loader\n const InternalLoader = PLoader || Loader;\n\n const loader = new InternalLoader(config);\n\n // TODO - Do we really need to assign the instance or if the dep has been lost\n context.loader = loader;\n this.loaders[context.type] = loader;\n\n return loader;\n }\n\n getInternalLoader (context: PlaylistLoaderContext): Loader<PlaylistLoaderContext> | undefined {\n return this.loaders[context.type];\n }\n\n resetInternalLoader (contextType: PlaylistContextType) {\n if (this.loaders[contextType]) {\n delete this.loaders[contextType];\n }\n }\n\n /**\n * Call `destroy` on all internal loader instances mapped (one per context type)\n */\n destroyInternalLoaders () {\n for (let contextType in this.loaders) {\n let loader = this.loaders[contextType];\n if (loader) {\n loader.destroy();\n }\n\n this.resetInternalLoader(contextType as PlaylistContextType);\n }\n }\n\n destroy () {\n this.destroyInternalLoaders();\n\n super.destroy();\n }\n\n onManifestLoading (data: { url: string; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.MANIFEST,\n level: 0,\n id: null,\n responseType: 'text'\n });\n }\n\n onLevelLoading (data: { url: string; level: number | null; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.LEVEL,\n level: data.level,\n id: data.id,\n responseType: 'text'\n });\n }\n\n onAudioTrackLoading (data: { url: string; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.AUDIO_TRACK,\n level: null,\n id: data.id,\n responseType: 'text'\n });\n }\n\n onSubtitleTrackLoading (data: { url: string; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.SUBTITLE_TRACK,\n level: null,\n id: data.id,\n responseType: 'text'\n });\n }\n\n load (context: PlaylistLoaderContext): boolean {\n const config = this.hls.config;\n\n logger.debug(`Loading playlist of type ${context.type}, level: ${context.level}, id: ${context.id}`);\n\n // Check if a loader for this context already exists\n let loader = this.getInternalLoader(context);\n if (loader) {\n const loaderContext = loader.context;\n if (loaderContext && loaderContext.url === context.url) { // same URL can't overlap\n logger.trace('playlist request ongoing');\n return false;\n } else {\n logger.warn(`aborting previous loader for type: ${context.type}`);\n loader.abort();\n }\n }\n\n let maxRetry: number;\n let timeout: number;\n let retryDelay: number;\n let maxRetryDelay: number;\n\n // apply different configs for retries depending on\n // context (manifest, level, audio/subs playlist)\n switch (context.type) {\n case PlaylistContextType.MANIFEST:\n maxRetry = config.manifestLoadingMaxRetry;\n timeout = config.manifestLoadingTimeOut;\n retryDelay = config.manifestLoadingRetryDelay;\n maxRetryDelay = config.manifestLoadingMaxRetryTimeout;\n break;\n case PlaylistContextType.LEVEL:\n // Disable internal loader retry logic, since we are managing retries in Level Controller\n maxRetry = 0;\n maxRetryDelay = 0;\n retryDelay = 0;\n timeout = config.levelLoadingTimeOut;\n // TODO Introduce retry settings for audio-track and subtitle-track, it should not use level retry config\n break;\n default:\n maxRetry = config.levelLoadingMaxRetry;\n timeout = config.levelLoadingTimeOut;\n retryDelay = config.levelLoadingRetryDelay;\n maxRetryDelay = config.levelLoadingMaxRetryTimeout;\n break;\n }\n\n loader = this.createInternalLoader(context);\n\n const loaderConfig: LoaderConfiguration = {\n timeout,\n maxRetry,\n retryDelay,\n maxRetryDelay\n };\n\n const loaderCallbacks: LoaderCallbacks<PlaylistLoaderContext> = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this)\n };\n\n logger.debug(`Calling internal loader delegate for URL: ${context.url}`);\n loader.load(context, loaderConfig, loaderCallbacks);\n\n return true;\n }\n\n loadsuccess (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown = null) {\n if (context.isSidxRequest) {\n this._handleSidxRequest(response, context);\n this._handlePlaylistLoaded(response, stats, context, networkDetails);\n return;\n }\n\n this.resetInternalLoader(context.type);\n if (typeof response.data !== 'string') {\n throw new Error('expected responseType of \"text\" for PlaylistLoader');\n }\n\n const string = response.data;\n\n stats.tload = performance.now();\n // stats.mtime = new Date(target.getResponseHeader('Last-Modified'));\n\n // Validate if it is an M3U8 at all\n if (string.indexOf('#EXTM3U') !== 0) {\n this._handleManifestParsingError(response, context, 'no EXTM3U delimiter', networkDetails);\n return;\n }\n\n // Check if chunk-list or master. handle empty chunk list case (first EXTINF not signaled, but TARGETDURATION present)\n if (string.indexOf('#EXTINF:') > 0 || string.indexOf('#EXT-X-TARGETDURATION:') > 0) {\n this._handleTrackOrLevelPlaylist(response, stats, context, networkDetails);\n } else {\n this._handleMasterPlaylist(response, stats, context, networkDetails);\n }\n }\n\n loaderror (response: LoaderResponse, context: PlaylistLoaderContext, networkDetails = null) {\n this._handleNetworkError(context, networkDetails, false, response);\n }\n\n loadtimeout (stats: LoaderStats, context: PlaylistLoaderContext, networkDetails = null) {\n this._handleNetworkError(context, networkDetails, true);\n }\n\n // TODO(typescript-config): networkDetails can currently be a XHR or Fetch impl,\n // but with custom loaders it could be generic investigate this further when config is typed\n _handleMasterPlaylist (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const hls = this.hls;\n const string = response.data as string;\n\n const url = PlaylistLoader.getResponseUrl(response, context);\n const levels = M3U8Parser.parseMasterPlaylist(string, url);\n if (!levels.length) {\n this._handleManifestParsingError(response, context, 'no level found in manifest', networkDetails);\n return;\n }\n\n // multi level playlist, parse level info\n const audioGroups: Array<AudioGroup> = levels.map(level => ({\n id: level.attrs.AUDIO,\n codec: level.audioCodec\n }));\n\n const audioTracks = M3U8Parser.parseMasterPlaylistMedia(string, url, 'AUDIO', audioGroups);\n const subtitles = M3U8Parser.parseMasterPlaylistMedia(string, url, 'SUBTITLES');\n\n if (audioTracks.length) {\n // check if we have found an audio track embedded in main playlist (audio track without URI attribute)\n let embeddedAudioFound = false;\n audioTracks.forEach(audioTrack => {\n if (!audioTrack.url) {\n embeddedAudioFound = true;\n }\n });\n\n // if no embedded audio track defined, but audio codec signaled in quality level,\n // we need to signal this main audio track this could happen with playlists with\n // alt audio rendition in which quality levels (main)\n // contains both audio+video. but with mixed audio track not signaled\n if (embeddedAudioFound === false && levels[0].audioCodec && !levels[0].attrs.AUDIO) {\n logger.log('audio codec signaled in quality level, but no embedded audio track signaled, create one');\n audioTracks.unshift({\n type: 'main',\n name: 'main',\n default: false,\n autoselect: false,\n forced: false,\n id: -1\n });\n }\n }\n\n hls.trigger(Event.MANIFEST_LOADED, {\n levels,\n audioTracks,\n subtitles,\n url,\n stats,\n networkDetails\n });\n }\n\n _handleTrackOrLevelPlaylist (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const hls = this.hls;\n\n const { id, level, type } = context;\n\n const url = PlaylistLoader.getResponseUrl(response, context);\n\n // if the values are null, they will result in the else conditional\n const levelUrlId = Number.isFinite(id as number) ? id as number : 0;\n const levelId = Number.isFinite(level as number) ? level as number : levelUrlId;\n\n const levelType = PlaylistLoader.mapContextToLevelType(context);\n const levelDetails = M3U8Parser.parseLevelPlaylist(response.data as string, url, levelId, levelType, levelUrlId);\n\n // set stats on level structure\n // TODO(jstackhouse): why? mixing concerns, is it just treated as value bag?\n (levelDetails as any).tload = stats.tload;\n\n // We have done our first request (Manifest-type) and receive\n // not a master playlist but a chunk-list (track/level)\n // We fire the manifest-loaded event anyway with the parsed level-details\n // by creating a single-level structure for it.\n if (type === PlaylistContextType.MANIFEST) {\n const singleLevel = {\n url,\n details: levelDetails\n };\n\n hls.trigger(Event.MANIFEST_LOADED, {\n levels: [singleLevel],\n audioTracks: [],\n url,\n stats,\n networkDetails\n });\n }\n\n // save parsing time\n stats.tparsed = performance.now();\n\n // in case we need SIDX ranges\n // return early after calling load for\n // the SIDX box.\n if (levelDetails.needSidxRanges) {\n const sidxUrl = levelDetails.initSegment.url;\n this.load({\n url: sidxUrl,\n isSidxRequest: true,\n type,\n level,\n levelDetails,\n id,\n rangeStart: 0,\n rangeEnd: 2048,\n responseType: 'arraybuffer'\n });\n return;\n }\n\n // extend the context with the new levelDetails property\n context.levelDetails = levelDetails;\n\n this._handlePlaylistLoaded(response, stats, context, networkDetails);\n }\n\n _handleSidxRequest (response: LoaderResponse, context: PlaylistLoaderContext) {\n if (typeof response.data === 'string') {\n throw new Error('sidx request must be made with responseType of array buffer');\n }\n\n const sidxInfo = MP4Demuxer.parseSegmentIndex(new Uint8Array(response.data));\n // if provided fragment does not contain sidx, early return\n if (!sidxInfo) {\n return;\n }\n const sidxReferences = sidxInfo.references;\n const levelDetails = context.levelDetails;\n sidxReferences.forEach((segmentRef, index) => {\n const segRefInfo = segmentRef.info;\n if (!levelDetails) {\n return;\n }\n const frag = levelDetails.fragments[index];\n if (frag.byteRange.length === 0) {\n frag.setByteRange(String(1 + segRefInfo.end - segRefInfo.start) + '@' + String(segRefInfo.start));\n }\n });\n\n if (levelDetails) {\n levelDetails.initSegment.setByteRange(String(sidxInfo.moovEndOffset) + '@0');\n }\n }\n\n _handleManifestParsingError (response: LoaderResponse, context: PlaylistLoaderContext, reason: string, networkDetails: unknown) {\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.NETWORK_ERROR,\n details: ErrorDetails.MANIFEST_PARSING_ERROR,\n fatal: true,\n url: response.url,\n reason,\n networkDetails\n });\n }\n\n _handleNetworkError (context: PlaylistLoaderContext, networkDetails: unknown, timeout: boolean = false, response: LoaderResponse | null = null) {\n logger.info(`A network error occured while loading a ${context.type}-type playlist`);\n\n let details;\n let fatal;\n\n const loader = this.getInternalLoader(context);\n\n switch (context.type) {\n case PlaylistContextType.MANIFEST:\n details = (timeout ? ErrorDetails.MANIFEST_LOAD_TIMEOUT : ErrorDetails.MANIFEST_LOAD_ERROR);\n fatal = true;\n break;\n case PlaylistContextType.LEVEL:\n details = (timeout ? ErrorDetails.LEVEL_LOAD_TIMEOUT : ErrorDetails.LEVEL_LOAD_ERROR);\n fatal = false;\n break;\n case PlaylistContextType.AUDIO_TRACK:\n details = (timeout ? ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT : ErrorDetails.AUDIO_TRACK_LOAD_ERROR);\n fatal = false;\n break;\n default:\n // details = ...?\n fatal = false;\n }\n\n if (loader) {\n loader.abort();\n this.resetInternalLoader(context.type);\n }\n\n // TODO(typescript-events): when error events are handled, type this\n let errorData: any = {\n type: ErrorTypes.NETWORK_ERROR,\n details,\n fatal,\n url: context.url,\n loader,\n context,\n networkDetails\n };\n\n if (response) {\n errorData.response = response;\n }\n\n this.hls.trigger(Event.ERROR, errorData);\n }\n\n _handlePlaylistLoaded (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const { type, level, id, levelDetails } = context;\n\n if (!levelDetails || !levelDetails.targetduration) {\n this._handleManifestParsingError(response, context, 'invalid target duration', networkDetails);\n return;\n }\n\n const canHaveLevels = PlaylistLoader.canHaveQualityLevels(context.type);\n if (canHaveLevels) {\n this.hls.trigger(Event.LEVEL_LOADED, {\n details: levelDetails,\n level: level || 0,\n id: id || 0,\n stats,\n networkDetails\n });\n } else {\n switch (type) {\n case PlaylistContextType.AUDIO_TRACK:\n this.hls.trigger(Event.AUDIO_TRACK_LOADED, {\n details: levelDetails,\n id,\n stats,\n networkDetails\n });\n break;\n case PlaylistContextType.SUBTITLE_TRACK:\n this.hls.trigger(Event.SUBTITLE_TRACK_LOADED, {\n details: levelDetails,\n id,\n stats,\n networkDetails\n });\n break;\n }\n }\n }\n}\n\nexport default PlaylistLoader;\n","/*\n * Fragment Loader\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\n\nclass FragmentLoader extends EventHandler {\n constructor (hls) {\n super(hls, Event.FRAG_LOADING);\n this.loaders = {};\n }\n\n destroy () {\n let loaders = this.loaders;\n for (let loaderName in loaders) {\n let loader = loaders[loaderName];\n if (loader) {\n loader.destroy();\n }\n }\n this.loaders = {};\n\n super.destroy();\n }\n\n onFragLoading (data) {\n const frag = data.frag,\n type = frag.type,\n loaders = this.loaders,\n config = this.hls.config,\n FragmentILoader = config.fLoader,\n DefaultILoader = config.loader;\n\n // reset fragment state\n frag.loaded = 0;\n\n let loader = loaders[type];\n if (loader) {\n logger.warn(`abort previous fragment loader for type: ${type}`);\n loader.abort();\n }\n\n loader = loaders[type] = frag.loader =\n config.fLoader ? new FragmentILoader(config) : new DefaultILoader(config);\n\n let loaderContext, loaderConfig, loaderCallbacks;\n\n loaderContext = { url: frag.url, frag: frag, responseType: 'arraybuffer', progressData: false };\n\n let start = frag.byteRangeStartOffset,\n end = frag.byteRangeEndOffset;\n\n if (Number.isFinite(start) && Number.isFinite(end)) {\n loaderContext.rangeStart = start;\n loaderContext.rangeEnd = end;\n }\n\n loaderConfig = {\n timeout: config.fragLoadingTimeOut,\n maxRetry: 0,\n retryDelay: 0,\n maxRetryDelay: config.fragLoadingMaxRetryTimeout\n };\n\n loaderCallbacks = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this),\n onProgress: this.loadprogress.bind(this)\n };\n\n loader.load(loaderContext, loaderConfig, loaderCallbacks);\n }\n\n loadsuccess (response, stats, context, networkDetails = null) {\n let payload = response.data, frag = context.frag;\n // detach fragment loader on load success\n frag.loader = undefined;\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.FRAG_LOADED, { payload: payload, frag: frag, stats: stats, networkDetails: networkDetails });\n }\n\n loaderror (response, context, networkDetails = null) {\n const frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.FRAG_LOAD_ERROR, fatal: false, frag: context.frag, response: response, networkDetails: networkDetails });\n }\n\n loadtimeout (stats, context, networkDetails = null) {\n const frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.FRAG_LOAD_TIMEOUT, fatal: false, frag: context.frag, networkDetails: networkDetails });\n }\n\n // data will be used for progressive parsing\n loadprogress (stats, context, data, networkDetails = null) { // jshint ignore:line\n let frag = context.frag;\n frag.loaded = stats.loaded;\n this.hls.trigger(Event.FRAG_LOAD_PROGRESS, { frag: frag, stats: stats, networkDetails: networkDetails });\n }\n}\n\nexport default FragmentLoader;\n","/*\n * Decrypt key Loader\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport Hls from '../hls';\nimport Fragment from './fragment';\nimport { LoaderStats, LoaderResponse, LoaderContext, LoaderConfiguration, LoaderCallbacks } from '../types/loader';\n\ninterface OnKeyLoadingPayload {\n frag: Fragment\n}\n\ninterface KeyLoaderContext extends LoaderContext {\n frag: Fragment\n}\n\nclass KeyLoader extends EventHandler {\n public loaders = {};\n public decryptkey: Uint8Array | null = null;\n public decrypturl: string | null = null;\n\n constructor (hls: Hls) {\n super(hls, Event.KEY_LOADING);\n }\n\n destroy (): void {\n for (const loaderName in this.loaders) {\n let loader = this.loaders[loaderName];\n if (loader) {\n loader.destroy();\n }\n }\n this.loaders = {};\n\n super.destroy();\n }\n\n onKeyLoading (data: OnKeyLoadingPayload) {\n const { frag } = data;\n const type = frag.type;\n const loader = this.loaders[type];\n if (!frag.decryptdata) {\n logger.warn('Missing decryption data on fragment in onKeyLoading');\n return;\n }\n\n // Load the key if the uri is different from previous one, or if the decrypt key has not yet been retrieved\n const uri = frag.decryptdata.uri;\n if (uri !== this.decrypturl || this.decryptkey === null) {\n let config = this.hls.config;\n if (loader) {\n logger.warn(`abort previous key loader for type:${type}`);\n loader.abort();\n }\n if (!uri) {\n logger.warn('key uri is falsy');\n return;\n }\n\n frag.loader = this.loaders[type] = new config.loader(config);\n this.decrypturl = uri;\n this.decryptkey = null;\n\n const loaderContext: KeyLoaderContext = {\n url: uri,\n frag: frag,\n responseType: 'arraybuffer'\n };\n\n // maxRetry is 0 so that instead of retrying the same key on the same variant multiple times,\n // key-loader will trigger an error and rely on stream-controller to handle retry logic.\n // this will also align retry logic with fragment-loader\n const loaderConfig: LoaderConfiguration = {\n timeout: config.fragLoadingTimeOut,\n maxRetry: 0,\n retryDelay: config.fragLoadingRetryDelay,\n maxRetryDelay: config.fragLoadingMaxRetryTimeout\n };\n\n const loaderCallbacks: LoaderCallbacks<KeyLoaderContext> = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this)\n };\n\n frag.loader.load(loaderContext, loaderConfig, loaderCallbacks);\n } else if (this.decryptkey) {\n // Return the key if it's already been loaded\n frag.decryptdata.key = this.decryptkey;\n this.hls.trigger(Event.KEY_LOADED, { frag: frag });\n }\n }\n\n loadsuccess (response: LoaderResponse, stats: LoaderStats, context: KeyLoaderContext) {\n let frag = context.frag;\n if (!frag.decryptdata) {\n logger.error('after key load, decryptdata unset');\n return;\n }\n this.decryptkey = frag.decryptdata.key = new Uint8Array(response.data as ArrayBuffer);\n\n // detach fragment loader on load success\n frag.loader = undefined;\n delete this.loaders[frag.type];\n this.hls.trigger(Event.KEY_LOADED, { frag: frag });\n }\n\n loaderror (response: LoaderResponse, context: KeyLoaderContext) {\n let frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n delete this.loaders[frag.type];\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.KEY_LOAD_ERROR, fatal: false, frag, response });\n }\n\n loadtimeout (stats: LoaderStats, context: KeyLoaderContext) {\n let frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n delete this.loaders[frag.type];\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.KEY_LOAD_TIMEOUT, fatal: false, frag });\n }\n}\n\nexport default KeyLoader;\n","import EventHandler from '../event-handler';\nimport Event from '../events';\n\nexport const FragmentState = {\n NOT_LOADED: 'NOT_LOADED',\n APPENDING: 'APPENDING',\n PARTIAL: 'PARTIAL',\n OK: 'OK'\n};\n\nexport class FragmentTracker extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.BUFFER_APPENDED,\n Event.FRAG_BUFFERED,\n Event.FRAG_LOADED\n );\n\n this.bufferPadding = 0.2;\n\n this.fragments = Object.create(null);\n this.timeRanges = Object.create(null);\n\n this.config = hls.config;\n }\n\n destroy () {\n this.fragments = Object.create(null);\n this.timeRanges = Object.create(null);\n this.config = null;\n EventHandler.prototype.destroy.call(this);\n super.destroy();\n }\n\n /**\n * Return a Fragment that match the position and levelType.\n * If not found any Fragment, return null\n * @param {number} position\n * @param {LevelType} levelType\n * @returns {Fragment|null}\n */\n getBufferedFrag (position, levelType) {\n const fragments = this.fragments;\n const bufferedFrags = Object.keys(fragments).filter(key => {\n const fragmentEntity = fragments[key];\n if (fragmentEntity.body.type !== levelType) {\n return false;\n }\n\n if (!fragmentEntity.buffered) {\n return false;\n }\n\n const frag = fragmentEntity.body;\n return frag.startPTS <= position && position <= frag.endPTS;\n });\n if (bufferedFrags.length === 0) {\n return null;\n } else {\n // https://github.com/video-dev/hls.js/pull/1545#discussion_r166229566\n const bufferedFragKey = bufferedFrags.pop();\n return fragments[bufferedFragKey].body;\n }\n }\n\n /**\n * Partial fragments effected by coded frame eviction will be removed\n * The browser will unload parts of the buffer to free up memory for new buffer data\n * Fragments will need to be reloaded when the buffer is freed up, removing partial fragments will allow them to reload(since there might be parts that are still playable)\n * @param {String} elementaryStream The elementaryStream of media this is (eg. video/audio)\n * @param {TimeRanges} timeRange TimeRange object from a sourceBuffer\n */\n detectEvictedFragments (elementaryStream, timeRange) {\n let fragmentTimes, time;\n // Check if any flagged fragments have been unloaded\n Object.keys(this.fragments).forEach(key => {\n const fragmentEntity = this.fragments[key];\n if (fragmentEntity.buffered === true) {\n const esData = fragmentEntity.range[elementaryStream];\n if (esData) {\n fragmentTimes = esData.time;\n for (let i = 0; i < fragmentTimes.length; i++) {\n time = fragmentTimes[i];\n\n if (this.isTimeBuffered(time.startPTS, time.endPTS, timeRange) === false) {\n // Unregister partial fragment as it needs to load again to be reused\n this.removeFragment(fragmentEntity.body);\n break;\n }\n }\n }\n }\n });\n }\n\n /**\n * Checks if the fragment passed in is loaded in the buffer properly\n * Partially loaded fragments will be registered as a partial fragment\n * @param {Object} fragment Check the fragment against all sourceBuffers loaded\n */\n detectPartialFragments (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n let fragmentEntity = this.fragments[fragKey];\n if (fragmentEntity) {\n fragmentEntity.buffered = true;\n\n Object.keys(this.timeRanges).forEach(elementaryStream => {\n if (fragment.hasElementaryStream(elementaryStream)) {\n let timeRange = this.timeRanges[elementaryStream];\n // Check for malformed fragments\n // Gaps need to be calculated for each elementaryStream\n fragmentEntity.range[elementaryStream] = this.getBufferedTimes(fragment.startPTS, fragment.endPTS, timeRange);\n }\n });\n }\n }\n\n getBufferedTimes (startPTS, endPTS, timeRange) {\n let fragmentTimes = [];\n let startTime, endTime;\n let fragmentPartial = false;\n for (let i = 0; i < timeRange.length; i++) {\n startTime = timeRange.start(i) - this.bufferPadding;\n endTime = timeRange.end(i) + this.bufferPadding;\n if (startPTS >= startTime && endPTS <= endTime) {\n // Fragment is entirely contained in buffer\n // No need to check the other timeRange times since it's completely playable\n fragmentTimes.push({\n startPTS: Math.max(startPTS, timeRange.start(i)),\n endPTS: Math.min(endPTS, timeRange.end(i))\n });\n break;\n } else if (startPTS < endTime && endPTS > startTime) {\n // Check for intersection with buffer\n // Get playable sections of the fragment\n fragmentTimes.push({\n startPTS: Math.max(startPTS, timeRange.start(i)),\n endPTS: Math.min(endPTS, timeRange.end(i))\n });\n fragmentPartial = true;\n } else if (endPTS <= startTime) {\n // No need to check the rest of the timeRange as it is in order\n break;\n }\n }\n\n return {\n time: fragmentTimes,\n partial: fragmentPartial\n };\n }\n\n getFragmentKey (fragment) {\n return `${fragment.type}_${fragment.level}_${fragment.urlId}_${fragment.sn}`;\n }\n\n /**\n * Gets the partial fragment for a certain time\n * @param {Number} time\n * @returns {Object} fragment Returns a partial fragment at a time or null if there is no partial fragment\n */\n getPartialFragment (time) {\n let timePadding, startTime, endTime;\n let bestFragment = null;\n let bestOverlap = 0;\n Object.keys(this.fragments).forEach(key => {\n const fragmentEntity = this.fragments[key];\n if (this.isPartial(fragmentEntity)) {\n startTime = fragmentEntity.body.startPTS - this.bufferPadding;\n endTime = fragmentEntity.body.endPTS + this.bufferPadding;\n if (time >= startTime && time <= endTime) {\n // Use the fragment that has the most padding from start and end time\n timePadding = Math.min(time - startTime, endTime - time);\n if (bestOverlap <= timePadding) {\n bestFragment = fragmentEntity.body;\n bestOverlap = timePadding;\n }\n }\n }\n });\n return bestFragment;\n }\n\n /**\n * @param {Object} fragment The fragment to check\n * @returns {String} Returns the fragment state when a fragment never loaded or if it partially loaded\n */\n getState (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n let fragmentEntity = this.fragments[fragKey];\n let state = FragmentState.NOT_LOADED;\n\n if (fragmentEntity !== undefined) {\n if (!fragmentEntity.buffered) {\n state = FragmentState.APPENDING;\n } else if (this.isPartial(fragmentEntity) === true) {\n state = FragmentState.PARTIAL;\n } else {\n state = FragmentState.OK;\n }\n }\n\n return state;\n }\n\n isPartial (fragmentEntity) {\n return fragmentEntity.buffered === true &&\n ((fragmentEntity.range.video !== undefined && fragmentEntity.range.video.partial === true) ||\n (fragmentEntity.range.audio !== undefined && fragmentEntity.range.audio.partial === true));\n }\n\n isTimeBuffered (startPTS, endPTS, timeRange) {\n let startTime, endTime;\n for (let i = 0; i < timeRange.length; i++) {\n startTime = timeRange.start(i) - this.bufferPadding;\n endTime = timeRange.end(i) + this.bufferPadding;\n if (startPTS >= startTime && endPTS <= endTime) {\n return true;\n }\n\n if (endPTS <= startTime) {\n // No need to check the rest of the timeRange as it is in order\n return false;\n }\n }\n\n return false;\n }\n\n /**\n * Fires when a fragment loading is completed\n */\n onFragLoaded (e) {\n const fragment = e.frag;\n // don't track initsegment (for which sn is not a number)\n // don't track frags used for bitrateTest, they're irrelevant.\n if (!Number.isFinite(fragment.sn) || fragment.bitrateTest) {\n return;\n }\n\n this.fragments[this.getFragmentKey(fragment)] = {\n body: fragment,\n range: Object.create(null),\n buffered: false\n };\n }\n\n /**\n * Fires when the buffer is updated\n */\n onBufferAppended (e) {\n // Store the latest timeRanges loaded in the buffer\n this.timeRanges = e.timeRanges;\n Object.keys(this.timeRanges).forEach(elementaryStream => {\n let timeRange = this.timeRanges[elementaryStream];\n this.detectEvictedFragments(elementaryStream, timeRange);\n });\n }\n\n /**\n * Fires after a fragment has been loaded into the source buffer\n */\n onFragBuffered (e) {\n this.detectPartialFragments(e.frag);\n }\n\n /**\n * Return true if fragment tracker has the fragment.\n * @param {Object} fragment\n * @returns {boolean}\n */\n hasFragment (fragment) {\n const fragKey = this.getFragmentKey(fragment);\n return this.fragments[fragKey] !== undefined;\n }\n\n /**\n * Remove a fragment from fragment tracker until it is loaded again\n * @param {Object} fragment The fragment to remove\n */\n removeFragment (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n delete this.fragments[fragKey];\n }\n\n /**\n * Remove all fragments from fragment tracker.\n */\n removeAllFragments () {\n this.fragments = Object.create(null);\n }\n}\n","type BinarySearchComparison < T > = (candidate: T) => -1 | 0 | 1;\n\nconst BinarySearch = {\n\n /**\n * Searches for an item in an array which matches a certain condition.\n * This requires the condition to only match one item in the array,\n * and for the array to be ordered.\n *\n * @param {Array<T>} list The array to search.\n * @param {BinarySearchComparison<T>} comparisonFn\n * Called and provided a candidate item as the first argument.\n * Should return:\n * > -1 if the item should be located at a lower index than the provided item.\n * > 1 if the item should be located at a higher index than the provided item.\n * > 0 if the item is the item you're looking for.\n *\n * @return {T | null} The object if it is found or null otherwise.\n */\n search: function<T> (list: T[], comparisonFn: BinarySearchComparison<T>): T | null {\n let minIndex: number = 0;\n let maxIndex: number = list.length - 1;\n let currentIndex: number | null = null;\n let currentElement: T | null = null;\n\n while (minIndex <= maxIndex) {\n currentIndex = (minIndex + maxIndex) / 2 | 0;\n currentElement = list[currentIndex];\n\n let comparisonResult = comparisonFn(currentElement);\n if (comparisonResult > 0) {\n minIndex = currentIndex + 1;\n } else if (comparisonResult < 0) {\n maxIndex = currentIndex - 1;\n } else {\n return currentElement;\n }\n }\n\n return null;\n }\n};\n\nexport default BinarySearch;\n","/**\n * @module BufferHelper\n *\n * Providing methods dealing with buffer length retrieval for example.\n *\n * In general, a helper around HTML5 MediaElement TimeRanges gathered from `buffered` property.\n *\n * Also @see https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/buffered\n*/\n\ntype BufferTimeRange = {\n start: number\n end: number\n};\n\ntype Bufferable = {\n buffered: TimeRanges\n};\n\nexport class BufferHelper {\n /**\n * Return true if `media`'s buffered include `position`\n * @param {Bufferable} media\n * @param {number} position\n * @returns {boolean}\n */\n static isBuffered (media: Bufferable, position: number): boolean {\n try {\n if (media) {\n let buffered = media.buffered;\n for (let i = 0; i < buffered.length; i++) {\n if (position >= buffered.start(i) && position <= buffered.end(i)) {\n return true;\n }\n }\n }\n } catch (error) {\n // this is to catch\n // InvalidStateError: Failed to read the 'buffered' property from 'SourceBuffer':\n // This SourceBuffer has been removed from the parent media source\n }\n return false;\n }\n\n static bufferInfo (\n media: Bufferable,\n pos: number,\n maxHoleDuration: number\n ): {\n len: number,\n start: number,\n end: number,\n nextStart?: number,\n } {\n try {\n if (media) {\n let vbuffered = media.buffered;\n let buffered: BufferTimeRange[] = [];\n let i: number;\n for (i = 0; i < vbuffered.length; i++) {\n buffered.push({ start: vbuffered.start(i), end: vbuffered.end(i) });\n }\n\n return this.bufferedInfo(buffered, pos, maxHoleDuration);\n }\n } catch (error) {\n // this is to catch\n // InvalidStateError: Failed to read the 'buffered' property from 'SourceBuffer':\n // This SourceBuffer has been removed from the parent media source\n }\n return { len: 0, start: pos, end: pos, nextStart: undefined };\n }\n\n static bufferedInfo (\n buffered: BufferTimeRange[],\n pos: number,\n maxHoleDuration: number\n ): {\n len: number,\n start: number,\n end: number,\n nextStart?: number,\n } {\n // sort on buffer.start/smaller end (IE does not always return sorted buffered range)\n buffered.sort(function (a, b) {\n let diff = a.start - b.start;\n if (diff) {\n return diff;\n } else {\n return b.end - a.end;\n }\n });\n\n let buffered2: BufferTimeRange[] = [];\n if (maxHoleDuration) {\n // there might be some small holes between buffer time range\n // consider that holes smaller than maxHoleDuration are irrelevant and build another\n // buffer time range representations that discards those holes\n for (let i = 0; i < buffered.length; i++) {\n let buf2len = buffered2.length;\n if (buf2len) {\n let buf2end = buffered2[buf2len - 1].end;\n // if small hole (value between 0 or maxHoleDuration ) or overlapping (negative)\n if ((buffered[i].start - buf2end) < maxHoleDuration) {\n // merge overlapping time ranges\n // update lastRange.end only if smaller than item.end\n // e.g. [ 1, 15] with [ 2,8] => [ 1,15] (no need to modify lastRange.end)\n // whereas [ 1, 8] with [ 2,15] => [ 1,15] ( lastRange should switch from [1,8] to [1,15])\n if (buffered[i].end > buf2end) {\n buffered2[buf2len - 1].end = buffered[i].end;\n }\n } else {\n // big hole\n buffered2.push(buffered[i]);\n }\n } else {\n // first value\n buffered2.push(buffered[i]);\n }\n }\n } else {\n buffered2 = buffered;\n }\n\n let bufferLen = 0;\n\n // bufferStartNext can possibly be undefined based on the conditional logic below\n let bufferStartNext: number | undefined;\n\n // bufferStart and bufferEnd are buffer boundaries around current video position\n let bufferStart: number = pos;\n let bufferEnd: number = pos;\n for (let i = 0; i < buffered2.length; i++) {\n let start = buffered2[i].start,\n end = buffered2[i].end;\n // logger.log('buf start/end:' + buffered.start(i) + '/' + buffered.end(i));\n if ((pos + maxHoleDuration) >= start && pos < end) {\n // play position is inside this buffer TimeRange, retrieve end of buffer position and buffer length\n bufferStart = start;\n bufferEnd = end;\n bufferLen = bufferEnd - pos;\n } else if ((pos + maxHoleDuration) < start) {\n bufferStartNext = start;\n break;\n }\n }\n return { len: bufferLen, start: bufferStart, end: bufferEnd, nextStart: bufferStartNext };\n }\n\n // Trying to find buffered position within `maxFragLookUpTolerance`. Returns same position if\n // current time is already inside of buffered range or there is no buffered fragment\n // within `maxFragLookUpTolerance`.\n static getBufferedPosWithinTolerance(media, pos, maxFragLookUpTolerance) {\n const currentTime = media ? media.currentTime : undefined;\n\n // No need to seek if current playback position is already inside buffered range\n if (BufferHelper.isBuffered(media, currentTime)) {\n return pos;\n }\n\n const buffered = media.buffered;\n for (let i = 0; i < buffered.length; i++) {\n const start = buffered.start(i);\n\n // Returns the start position of buffered range if `currentTime` is within `maxFragLookUpTolerance` range\n if (start > currentTime && start < currentTime + maxFragLookUpTolerance) {\n return Math.ceil(start * 10) / 10;\n }\n }\n\n return pos;\n }\n}\n","/**\n * MediaSource helper\n */\n\nexport function getMediaSource (): typeof MediaSource | undefined {\n return (window as any).MediaSource || (window as any).WebKitMediaSource;\n}\n","import { EventEmitter } from 'eventemitter3';\n\n/**\n * Simple adapter sub-class of Nodejs-like EventEmitter.\n */\nexport class Observer extends EventEmitter {\n /**\n * We simply want to pass along the event-name itself\n * in every call to a handler, which is the purpose of our `trigger` method\n * extending the standard API.\n */\n trigger (event: string, ...data: Array<any>): void {\n this.emit(event, event, ...data);\n }\n}\n","import { EventEmitter } from 'eventemitter3';\nimport * as work from 'webworkify-webpack';\n\nimport Event from '../events';\nimport DemuxerInline from '../demux/demuxer-inline';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { getMediaSource } from '../utils/mediasource-helper';\nimport { getSelfScope } from '../utils/get-self-scope';\n\nimport { Observer } from '../observer';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\nconst MediaSource = getMediaSource() || { isTypeSupported: () => false };\n\nclass Demuxer {\n constructor (hls, id) {\n this.hls = hls;\n this.id = id;\n\n const observer = this.observer = new Observer();\n const config = hls.config;\n\n const forwardMessage = (ev, data) => {\n data = data || {};\n data.frag = this.frag;\n data.id = this.id;\n hls.trigger(ev, data);\n };\n\n // forward events to main thread\n observer.on(Event.FRAG_DECRYPTED, forwardMessage);\n observer.on(Event.FRAG_PARSING_INIT_SEGMENT, forwardMessage);\n observer.on(Event.FRAG_PARSING_DATA, forwardMessage);\n observer.on(Event.FRAG_PARSED, forwardMessage);\n observer.on(Event.ERROR, forwardMessage);\n observer.on(Event.FRAG_PARSING_METADATA, forwardMessage);\n observer.on(Event.FRAG_PARSING_USERDATA, forwardMessage);\n observer.on(Event.INIT_PTS_FOUND, forwardMessage);\n\n const typeSupported = {\n mp4: MediaSource.isTypeSupported('video/mp4'),\n mpeg: MediaSource.isTypeSupported('audio/mpeg'),\n mp3: MediaSource.isTypeSupported('audio/mp4; codecs=\"mp3\"')\n };\n // navigator.vendor is not always available in Web Worker\n // refer to https://developer.mozilla.org/en-US/docs/Web/API/WorkerGlobalScope/navigator\n const vendor = navigator.vendor;\n if (config.enableWorker && (typeof (Worker) !== 'undefined')) {\n logger.log('demuxing in webworker');\n let w;\n try {\n w = this.w = work(require.resolve('../demux/demuxer-worker.js'));\n this.onwmsg = this.onWorkerMessage.bind(this);\n w.addEventListener('message', this.onwmsg);\n w.onerror = function (event) {\n hls.trigger(Event.ERROR, { type: ErrorTypes.OTHER_ERROR, details: ErrorDetails.INTERNAL_EXCEPTION, fatal: true, event: 'demuxerWorker', err: { message: event.message + ' (' + event.filename + ':' + event.lineno + ')' } });\n };\n w.postMessage({ cmd: 'init', typeSupported: typeSupported, vendor: vendor, id: id, config: JSON.stringify(config) });\n } catch (err) {\n logger.warn('Error in worker:', err);\n logger.error('Error while initializing DemuxerWorker, fallback on DemuxerInline');\n if (w) {\n // revoke the Object URL that was used to create demuxer worker, so as not to leak it\n global.URL.revokeObjectURL(w.objectURL);\n }\n this.demuxer = new DemuxerInline(observer, typeSupported, config, vendor);\n this.w = undefined;\n }\n } else {\n this.demuxer = new DemuxerInline(observer, typeSupported, config, vendor);\n }\n }\n\n destroy () {\n let w = this.w;\n if (w) {\n w.removeEventListener('message', this.onwmsg);\n w.terminate();\n this.w = null;\n } else {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.destroy();\n this.demuxer = null;\n }\n }\n const observer = this.observer;\n if (observer) {\n observer.removeAllListeners();\n this.observer = null;\n }\n }\n\n push (data, initSegment, audioCodec, videoCodec, frag, duration, accurateTimeOffset, defaultInitPTS) {\n const w = this.w;\n const timeOffset = Number.isFinite(frag.startPTS) ? frag.startPTS : frag.start;\n const decryptdata = frag.decryptdata;\n const lastFrag = this.frag;\n const discontinuity = !(lastFrag && (frag.cc === lastFrag.cc));\n const trackSwitch = !(lastFrag && (frag.level === lastFrag.level));\n const nextSN = lastFrag && (frag.sn === (lastFrag.sn + 1));\n const contiguous = !trackSwitch && nextSN;\n if (discontinuity) {\n logger.log(`${this.id}:discontinuity detected`);\n }\n\n if (trackSwitch) {\n logger.log(`${this.id}:switch detected`);\n }\n\n this.frag = frag;\n if (w) {\n // post fragment payload as transferable objects for ArrayBuffer (no copy)\n w.postMessage({ cmd: 'demux', data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS }, data instanceof ArrayBuffer ? [data] : []);\n } else {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.push(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n }\n }\n }\n\n onWorkerMessage (ev) {\n let data = ev.data,\n hls = this.hls;\n switch (data.event) {\n case 'init':\n // revoke the Object URL that was used to create demuxer worker, so as not to leak it\n global.URL.revokeObjectURL(this.w.objectURL);\n break;\n // special case for FRAG_PARSING_DATA: data1 and data2 are transferable objects\n case Event.FRAG_PARSING_DATA:\n data.data.data1 = new Uint8Array(data.data1);\n if (data.data2) {\n data.data.data2 = new Uint8Array(data.data2);\n }\n\n /* falls through */\n default:\n data.data = data.data || {};\n data.data.frag = this.frag;\n data.data.id = this.id;\n hls.trigger(data.event, data.data);\n break;\n }\n }\n}\n\nexport default Demuxer;\n","/**\n * @module LevelHelper\n *\n * Providing methods dealing with playlist sliding and drift\n *\n * TODO: Create an actual `Level` class/model that deals with all this logic in an object-oriented-manner.\n *\n * */\n\nimport { logger } from '../utils/logger';\n\nexport function addGroupId (level, type, id) {\n switch (type) {\n case 'audio':\n if (!level.audioGroupIds) {\n level.audioGroupIds = [];\n }\n level.audioGroupIds.push(id);\n break;\n case 'text':\n if (!level.textGroupIds) {\n level.textGroupIds = [];\n }\n level.textGroupIds.push(id);\n break;\n }\n}\n\nexport function updatePTS (fragments, fromIdx, toIdx) {\n let fragFrom = fragments[fromIdx], fragTo = fragments[toIdx], fragToPTS = fragTo.startPTS;\n // if we know startPTS[toIdx]\n if (Number.isFinite(fragToPTS)) {\n // update fragment duration.\n // it helps to fix drifts between playlist reported duration and fragment real duration\n if (toIdx > fromIdx) {\n fragFrom.duration = fragToPTS - fragFrom.start;\n if (fragFrom.duration < 0) {\n logger.warn(`negative duration computed for frag ${fragFrom.sn},level ${fragFrom.level}, there should be some duration drift between playlist and fragment!`);\n }\n } else {\n fragTo.duration = fragFrom.start - fragToPTS;\n if (fragTo.duration < 0) {\n logger.warn(`negative duration computed for frag ${fragTo.sn},level ${fragTo.level}, there should be some duration drift between playlist and fragment!`);\n }\n }\n } else {\n // we dont know startPTS[toIdx]\n if (toIdx > fromIdx) {\n fragTo.start = fragFrom.start + fragFrom.duration;\n } else {\n fragTo.start = Math.max(fragFrom.start - fragTo.duration, 0);\n }\n }\n}\n\nexport function updateFragPTSDTS (details, frag, startPTS, endPTS, startDTS, endDTS) {\n // update frag PTS/DTS\n let maxStartPTS = startPTS;\n if (Number.isFinite(frag.startPTS)) {\n // delta PTS between audio and video\n let deltaPTS = Math.abs(frag.startPTS - startPTS);\n if (!Number.isFinite(frag.deltaPTS)) {\n frag.deltaPTS = deltaPTS;\n } else {\n frag.deltaPTS = Math.max(deltaPTS, frag.deltaPTS);\n }\n\n maxStartPTS = Math.max(startPTS, frag.startPTS);\n startPTS = Math.min(startPTS, frag.startPTS);\n endPTS = Math.max(endPTS, frag.endPTS);\n startDTS = Math.min(startDTS, frag.startDTS);\n endDTS = Math.max(endDTS, frag.endDTS);\n }\n\n const drift = startPTS - frag.start;\n frag.start = frag.startPTS = startPTS;\n frag.maxStartPTS = maxStartPTS;\n frag.endPTS = endPTS;\n frag.startDTS = startDTS;\n frag.endDTS = endDTS;\n frag.duration = endPTS - startPTS;\n\n const sn = frag.sn;\n // exit if sn out of range\n if (!details || sn < details.startSN || sn > details.endSN) {\n return 0;\n }\n\n let fragIdx, fragments, i;\n fragIdx = sn - details.startSN;\n fragments = details.fragments;\n // update frag reference in fragments array\n // rationale is that fragments array might not contain this frag object.\n // this will happen if playlist has been refreshed between frag loading and call to updateFragPTSDTS()\n // if we don't update frag, we won't be able to propagate PTS info on the playlist\n // resulting in invalid sliding computation\n fragments[fragIdx] = frag;\n // adjust fragment PTS/duration from seqnum-1 to frag 0\n for (i = fragIdx; i > 0; i--) {\n updatePTS(fragments, i, i - 1);\n }\n\n // adjust fragment PTS/duration from seqnum to last frag\n for (i = fragIdx; i < fragments.length - 1; i++) {\n updatePTS(fragments, i, i + 1);\n }\n\n details.PTSKnown = true;\n return drift;\n}\n\nexport function mergeDetails (oldDetails, newDetails) {\n // potentially retrieve cached initsegment\n if (newDetails.initSegment && oldDetails.initSegment) {\n newDetails.initSegment = oldDetails.initSegment;\n }\n\n // check if old/new playlists have fragments in common\n // loop through overlapping SN and update startPTS , cc, and duration if any found\n let ccOffset = 0;\n let PTSFrag;\n mapFragmentIntersection(oldDetails, newDetails, (oldFrag, newFrag) => {\n ccOffset = oldFrag.cc - newFrag.cc;\n if (Number.isFinite(oldFrag.startPTS)) {\n newFrag.start = newFrag.startPTS = oldFrag.startPTS;\n newFrag.endPTS = oldFrag.endPTS;\n newFrag.duration = oldFrag.duration;\n newFrag.backtracked = oldFrag.backtracked;\n newFrag.dropped = oldFrag.dropped;\n PTSFrag = newFrag;\n }\n // PTS is known when there are overlapping segments\n newDetails.PTSKnown = true;\n });\n\n if (!newDetails.PTSKnown) {\n return;\n }\n\n if (ccOffset) {\n logger.log('discontinuity sliding from playlist, take drift into account');\n const newFragments = newDetails.fragments;\n for (let i = 0; i < newFragments.length; i++) {\n newFragments[i].cc += ccOffset;\n }\n }\n\n // if at least one fragment contains PTS info, recompute PTS information for all fragments\n if (PTSFrag) {\n updateFragPTSDTS(newDetails, PTSFrag, PTSFrag.startPTS, PTSFrag.endPTS, PTSFrag.startDTS, PTSFrag.endDTS);\n } else {\n // ensure that delta is within oldFragments range\n // also adjust sliding in case delta is 0 (we could have old=[50-60] and new=old=[50-61])\n // in that case we also need to adjust start offset of all fragments\n adjustSliding(oldDetails, newDetails);\n }\n // if we are here, it means we have fragments overlapping between\n // old and new level. reliable PTS info is thus relying on old level\n newDetails.PTSKnown = oldDetails.PTSKnown;\n}\n\nexport function mergeSubtitlePlaylists (oldPlaylist, newPlaylist, referenceStart = 0) {\n let lastIndex = -1;\n mapFragmentIntersection(oldPlaylist, newPlaylist, (oldFrag, newFrag, index) => {\n newFrag.start = oldFrag.start;\n lastIndex = index;\n });\n\n const frags = newPlaylist.fragments;\n if (lastIndex < 0) {\n frags.forEach(frag => {\n frag.start += referenceStart;\n });\n return;\n }\n\n for (let i = lastIndex + 1; i < frags.length; i++) {\n frags[i].start = (frags[i - 1].start + frags[i - 1].duration);\n }\n}\n\nexport function mapFragmentIntersection (oldPlaylist, newPlaylist, intersectionFn) {\n if (!oldPlaylist || !newPlaylist) {\n return;\n }\n\n const start = Math.max(oldPlaylist.startSN, newPlaylist.startSN) - newPlaylist.startSN;\n const end = Math.min(oldPlaylist.endSN, newPlaylist.endSN) - newPlaylist.startSN;\n const delta = newPlaylist.startSN - oldPlaylist.startSN;\n\n for (let i = start; i <= end; i++) {\n const oldFrag = oldPlaylist.fragments[delta + i];\n const newFrag = newPlaylist.fragments[i];\n if (!oldFrag || !newFrag) {\n break;\n }\n intersectionFn(oldFrag, newFrag, i);\n }\n}\n\nexport function adjustSliding (oldPlaylist, newPlaylist) {\n const delta = newPlaylist.startSN - oldPlaylist.startSN;\n const oldFragments = oldPlaylist.fragments;\n const newFragments = newPlaylist.fragments;\n\n if (delta < 0 || delta > oldFragments.length) {\n return;\n }\n for (let i = 0; i < newFragments.length; i++) {\n newFragments[i].start += oldFragments[delta].start;\n }\n}\n\nexport function computeReloadInterval (currentPlaylist, newPlaylist, lastRequestTime) {\n let reloadInterval = 1000 * (newPlaylist.averagetargetduration ? newPlaylist.averagetargetduration : newPlaylist.targetduration);\n const minReloadInterval = reloadInterval / 2;\n if (currentPlaylist && newPlaylist.endSN === currentPlaylist.endSN) {\n // follow HLS Spec, If the client reloads a Playlist file and finds that it has not\n // changed then it MUST wait for a period of one-half the target\n // duration before retrying.\n reloadInterval = minReloadInterval;\n }\n\n if (lastRequestTime) {\n reloadInterval = Math.max(minReloadInterval, reloadInterval - (window.performance.now() - lastRequestTime));\n }\n // in any case, don't reload more than half of target duration\n return Math.round(reloadInterval);\n}\n","/**\n * TimeRanges to string helper\n */\n\nconst TimeRanges = {\n toString: function (r: TimeRanges) {\n let log = '';\n let len = r.length;\n for (let i = 0; i < len; i++) {\n log += '[' + r.start(i).toFixed(3) + ',' + r.end(i).toFixed(3) + ']';\n }\n\n return log;\n }\n};\n\nexport default TimeRanges;\n","import BinarySearch from './binary-search';\nimport { logger } from '../utils/logger';\n\nexport function findFirstFragWithCC (fragments, cc) {\n let firstFrag = null;\n\n for (let i = 0; i < fragments.length; i += 1) {\n const currentFrag = fragments[i];\n if (currentFrag && currentFrag.cc === cc) {\n firstFrag = currentFrag;\n break;\n }\n }\n\n return firstFrag;\n}\n\nexport function findFragWithCC (fragments, CC) {\n return BinarySearch.search(fragments, (candidate) => {\n if (candidate.cc < CC) {\n return 1;\n } else if (candidate.cc > CC) {\n return -1;\n } else {\n return 0;\n }\n });\n}\n\nexport function shouldAlignOnDiscontinuities (lastFrag, lastLevel, details) {\n let shouldAlign = false;\n if (lastLevel && lastLevel.details && details) {\n if (details.endCC > details.startCC || (lastFrag && lastFrag.cc < details.startCC)) {\n shouldAlign = true;\n }\n }\n return shouldAlign;\n}\n\n// Find the first frag in the previous level which matches the CC of the first frag of the new level\nexport function findDiscontinuousReferenceFrag (prevDetails, curDetails) {\n const prevFrags = prevDetails.fragments;\n const curFrags = curDetails.fragments;\n\n if (!curFrags.length || !prevFrags.length) {\n logger.log('No fragments to align');\n return;\n }\n\n const prevStartFrag = findFirstFragWithCC(prevFrags, curFrags[0].cc);\n\n if (!prevStartFrag || (prevStartFrag && !prevStartFrag.startPTS)) {\n logger.log('No frag in previous level to align on');\n return;\n }\n\n return prevStartFrag;\n}\n\nexport function adjustPts (sliding, details) {\n details.fragments.forEach((frag) => {\n if (frag) {\n let start = frag.start + sliding;\n frag.start = frag.startPTS = start;\n frag.endPTS = start + frag.duration;\n }\n });\n details.PTSKnown = true;\n}\n\n/**\n * Using the parameters of the last level, this function computes PTS' of the new fragments so that they form a\n * contiguous stream with the last fragments.\n * The PTS of a fragment lets Hls.js know where it fits into a stream - by knowing every PTS, we know which fragment to\n * download at any given time. PTS is normally computed when the fragment is demuxed, so taking this step saves us time\n * and an extra download.\n * @param lastFrag\n * @param lastLevel\n * @param details\n */\nexport function alignStream (lastFrag, lastLevel, details) {\n alignDiscontinuities(lastFrag, details, lastLevel);\n if (!details.PTSKnown && lastLevel) {\n // If the PTS wasn't figured out via discontinuity sequence that means there was no CC increase within the level.\n // Aligning via Program Date Time should therefore be reliable, since PDT should be the same within the same\n // discontinuity sequence.\n alignPDT(details, lastLevel.details);\n }\n}\n\n/**\n * Computes the PTS if a new level's fragments using the PTS of a fragment in the last level which shares the same\n * discontinuity sequence.\n * @param lastLevel - The details of the last loaded level\n * @param details - The details of the new level\n */\nexport function alignDiscontinuities (lastFrag, details, lastLevel) {\n if (shouldAlignOnDiscontinuities(lastFrag, lastLevel, details)) {\n const referenceFrag = findDiscontinuousReferenceFrag(lastLevel.details, details);\n if (referenceFrag) {\n logger.log('Adjusting PTS using last level due to CC increase within current level');\n adjustPts(referenceFrag.start, details);\n }\n }\n}\n\n/**\n * Computes the PTS of a new level's fragments using the difference in Program Date Time from the last level.\n * @param details - The details of the new level\n * @param lastDetails - The details of the last loaded level\n */\nexport function alignPDT (details, lastDetails) {\n if (lastDetails && lastDetails.fragments.length) {\n if (!details.hasProgramDateTime || !lastDetails.hasProgramDateTime) {\n return;\n }\n // if last level sliding is 1000 and its first frag PROGRAM-DATE-TIME is 2017-08-20 1:10:00 AM\n // and if new details first frag PROGRAM DATE-TIME is 2017-08-20 1:10:08 AM\n // then we can deduce that playlist B sliding is 1000+8 = 1008s\n let lastPDT = lastDetails.fragments[0].programDateTime;\n let newPDT = details.fragments[0].programDateTime;\n // date diff is in ms. frag.start is in seconds\n let sliding = (newPDT - lastPDT) / 1000 + lastDetails.fragments[0].start;\n if (Number.isFinite(sliding)) {\n logger.log(`adjusting PTS using programDateTime delta, sliding:${sliding.toFixed(3)}`);\n adjustPts(sliding, details);\n }\n }\n}\n","import BinarySearch from '../utils/binary-search';\nimport Fragment from '../loader/fragment';\n\n/**\n * Returns first fragment whose endPdt value exceeds the given PDT.\n * @param {Array<Fragment>} fragments - The array of candidate fragments\n * @param {number|null} [PDTValue = null] - The PDT value which must be exceeded\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start/end can be within in order to be considered contiguous\n * @returns {*|null} fragment - The best matching fragment\n */\nexport function findFragmentByPDT (fragments: Array<Fragment>, PDTValue: number | null, maxFragLookUpTolerance: number): Fragment | null {\n if (PDTValue === null || !Array.isArray(fragments) || !fragments.length || !Number.isFinite(PDTValue)) {\n return null;\n }\n\n // if less than start\n const startPDT = fragments[0].programDateTime;\n if (PDTValue < (startPDT || 0)) {\n return null;\n }\n\n const endPDT = fragments[fragments.length - 1].endProgramDateTime;\n if (PDTValue >= (endPDT || 0)) {\n return null;\n }\n\n maxFragLookUpTolerance = maxFragLookUpTolerance || 0;\n for (let seg = 0; seg < fragments.length; ++seg) {\n let frag = fragments[seg];\n if (pdtWithinToleranceTest(PDTValue, maxFragLookUpTolerance, frag)) {\n return frag;\n }\n }\n\n return null;\n}\n\n/**\n * Finds a fragment based on the SN of the previous fragment; or based on the needs of the current buffer.\n * This method compensates for small buffer gaps by applying a tolerance to the start of any candidate fragment, thus\n * breaking any traps which would cause the same fragment to be continuously selected within a small range.\n * @param {*} fragPrevious - The last frag successfully appended\n * @param {Array<Fragment>} fragments - The array of candidate fragments\n * @param {number} [bufferEnd = 0] - The end of the contiguous buffered range the playhead is currently within\n * @param {number} maxFragLookUpTolerance - The amount of time that a fragment's start/end can be within in order to be considered contiguous\n * @returns {*} foundFrag - The best matching fragment\n */\nexport function findFragmentByPTS (fragPrevious: Fragment, fragments: Array<Fragment>, bufferEnd: number = 0, maxFragLookUpTolerance: number = 0): Fragment | null {\n const fragNext = fragPrevious ? fragments[fragPrevious.sn as number - (fragments[0].sn as number) + 1] : null;\n // Prefer the next fragment if it's within tolerance\n if (fragNext && !fragmentWithinToleranceTest(bufferEnd, maxFragLookUpTolerance, fragNext)) {\n return fragNext;\n }\n return BinarySearch.search(fragments, fragmentWithinToleranceTest.bind(null, bufferEnd, maxFragLookUpTolerance));\n}\n\n/**\n * The test function used by the findFragmentBySn's BinarySearch to look for the best match to the current buffer conditions.\n * @param {*} candidate - The fragment to test\n * @param {number} [bufferEnd = 0] - The end of the current buffered range the playhead is currently within\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start can be within in order to be considered contiguous\n * @returns {number} - 0 if it matches, 1 if too low, -1 if too high\n */\nexport function fragmentWithinToleranceTest (bufferEnd = 0, maxFragLookUpTolerance = 0, candidate: Fragment) {\n // offset should be within fragment boundary - config.maxFragLookUpTolerance\n // this is to cope with situations like\n // bufferEnd = 9.991\n // frag[Ø] : [0,10]\n // frag[1] : [10,20]\n // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here\n // frag start frag start+duration\n // |-----------------------------|\n // <---> <--->\n // ...--------><-----------------------------><---------....\n // previous frag matching fragment next frag\n // return -1 return 0 return 1\n // logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`);\n // Set the lookup tolerance to be small enough to detect the current segment - ensures we don't skip over very small segments\n let candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration + (candidate.deltaPTS ? candidate.deltaPTS : 0));\n if (candidate.start + candidate.duration - candidateLookupTolerance <= bufferEnd) {\n return 1;\n } else if (candidate.start - candidateLookupTolerance > bufferEnd && candidate.start) {\n // if maxFragLookUpTolerance will have negative value then don't return -1 for first element\n return -1;\n }\n\n return 0;\n}\n\n/**\n * The test function used by the findFragmentByPdt's BinarySearch to look for the best match to the current buffer conditions.\n * This function tests the candidate's program date time values, as represented in Unix time\n * @param {*} candidate - The fragment to test\n * @param {number} [pdtBufferEnd = 0] - The Unix time representing the end of the current buffered range\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start can be within in order to be considered contiguous\n * @returns {boolean} True if contiguous, false otherwise\n */\nexport function pdtWithinToleranceTest (pdtBufferEnd: number, maxFragLookUpTolerance: number, candidate: Fragment): boolean {\n let candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration + (candidate.deltaPTS ? candidate.deltaPTS : 0)) * 1000;\n\n // endProgramDateTime can be null, default to zero\n const endProgramDateTime = candidate.endProgramDateTime || 0;\n return endProgramDateTime - candidateLookupTolerance > pdtBufferEnd;\n}\n","import { BufferHelper } from '../utils/buffer-helper';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport Event from '../events';\nimport { logger } from '../utils/logger';\n\nexport const STALL_MINIMUM_DURATION_MS = 250;\nexport const MAX_START_GAP_JUMP = 2.0;\nexport const SKIP_BUFFER_HOLE_STEP_SECONDS = 0.1;\nexport const SKIP_BUFFER_RANGE_START = 0.05;\n\nexport default class GapController {\n constructor (config, media, fragmentTracker, hls) {\n this.config = config;\n this.media = media;\n this.fragmentTracker = fragmentTracker;\n this.hls = hls;\n this.nudgeRetry = 0;\n this.stallReported = false;\n this.stalled = null;\n this.moved = false;\n this.seeking = false;\n }\n\n /**\n * Checks if the playhead is stuck within a gap, and if so, attempts to free it.\n * A gap is an unbuffered range between two buffered ranges (or the start and the first buffered range).\n *\n * @param {number} lastCurrentTime Previously read playhead position\n */\n poll (lastCurrentTime) {\n const { config, media, stalled } = this;\n const { currentTime, seeking } = media;\n const seeked = this.seeking && !seeking;\n const beginSeek = !this.seeking && seeking;\n\n this.seeking = seeking;\n\n // The playhead is moving, no-op\n if (currentTime !== lastCurrentTime) {\n this.moved = true;\n if (stalled !== null) {\n // The playhead is now moving, but was previously stalled\n if (this.stallReported) {\n const stalledDuration = self.performance.now() - stalled;\n logger.warn(`playback not stuck anymore @${currentTime}, after ${Math.round(stalledDuration)}ms`);\n this.stallReported = false;\n }\n this.stalled = null;\n this.nudgeRetry = 0;\n }\n return;\n }\n\n // Clear stalled state when beginning or finishing seeking so that we don't report stalls coming out of a seek\n if (beginSeek || seeked) {\n this.stalled = null;\n }\n\n const { seekWithinTolerance } = this.config;\n if (seekWithinTolerance && (seeking || seeked)) {\n this.seekWithinToleranceIfNeeded();\n }\n\n // The playhead should not be moving\n if (media.paused || media.ended || media.playbackRate === 0 || !media.buffered.length) {\n return;\n }\n\n const bufferInfo = BufferHelper.bufferInfo(media, currentTime, 0);\n const isBuffered = bufferInfo.len > 0;\n const nextStart = bufferInfo.nextStart || 0;\n\n // There is no playable buffer (waiting for buffer append)\n if (!isBuffered && !nextStart) {\n return;\n }\n\n if (seeking) {\n // Waiting for seeking in a buffered range to complete\n const hasEnoughBuffer = bufferInfo.len > MAX_START_GAP_JUMP;\n // Next buffered range is too far ahead to jump to while still seeking\n const noBufferGap = !nextStart || nextStart - currentTime > MAX_START_GAP_JUMP;\n if (hasEnoughBuffer || noBufferGap) {\n return;\n }\n // Reset moved state when seeking to a point in or before a gap\n this.moved = false;\n }\n\n // Skip start gaps if we haven't played, but the last poll detected the start of a stall\n // The addition poll gives the browser a chance to jump the gap for us\n if (!this.moved && this.stalled) {\n // Jump start gaps within jump threshold\n const startJump = Math.max(nextStart, bufferInfo.start || 0) - currentTime;\n if (startJump > 0 && startJump <= MAX_START_GAP_JUMP) {\n this._trySkipBufferHole(null);\n return;\n }\n }\n\n // Start tracking stall time\n const tnow = self.performance.now();\n if (stalled === null) {\n this.stalled = tnow;\n return;\n }\n\n const stalledDuration = tnow - stalled;\n if (!seeking && stalledDuration >= STALL_MINIMUM_DURATION_MS) {\n // Report stalling after trying to fix\n this._reportStall(bufferInfo.len);\n }\n\n const bufferedWithHoles = BufferHelper.bufferInfo(media, currentTime, config.maxBufferHole);\n this._tryFixBufferStall(bufferedWithHoles, stalledDuration);\n }\n\n // If current position is outside of buffered range and there is a buffered fragment within `maxFragLookUpTolerance`\n // will seek to this buffered fragment. It helps to prevent playback stalls\n seekWithinToleranceIfNeeded() {\n const media = this.media;\n const currentTime = media ? media.currentTime : undefined;\n const { maxFragLookUpTolerance } = this.config;\n\n // Trying to find buffered position within `maxFragLookUpTolerance`. Returns same position if\n // current time is already inside of buffered range or there is no buffered fragment\n // within `maxFragLookUpTolerance`.\n const bufferedPosWithinTolerance =\n BufferHelper.getBufferedPosWithinTolerance(media, currentTime, maxFragLookUpTolerance);\n\n if (currentTime !== bufferedPosWithinTolerance) {\n logger.log(`seeking to position within maxFragLookUpTolerance - ${bufferedPosWithinTolerance}`);\n media.currentTime = bufferedPosWithinTolerance;\n return true;\n }\n\n return false;\n }\n\n /**\n * Detects and attempts to fix known buffer stalling issues.\n * @param bufferInfo - The properties of the current buffer.\n * @param stalledDurationMs - The amount of time Hls.js has been stalling for.\n * @private\n */\n _tryFixBufferStall (bufferInfo, stalledDurationMs) {\n const { config, fragmentTracker, media } = this;\n const currentTime = media.currentTime;\n\n const partial = fragmentTracker.getPartialFragment(currentTime);\n if (partial) {\n // Try to skip over the buffer hole caused by a partial fragment\n // This method isn't limited by the size of the gap between buffered ranges\n const targetTime = this._trySkipBufferHole(partial);\n // we return here in this case, meaning\n // the branch below only executes when we don't handle a partial fragment\n if (targetTime) {\n return;\n }\n }\n\n // if we haven't had to skip over a buffer hole of a partial fragment\n // we may just have to \"nudge\" the playlist as the browser decoding/rendering engine\n // needs to cross some sort of threshold covering all source-buffers content\n // to start playing properly.\n if (bufferInfo.len > config.maxBufferHole &&\n stalledDurationMs > config.highBufferWatchdogPeriod * 1000) {\n logger.warn('Trying to nudge playhead over buffer-hole');\n // Try to nudge currentTime over a buffer hole if we've been stalling for the configured amount of seconds\n // We only try to jump the hole if it's under the configured size\n // Reset stalled so to rearm watchdog timer\n this.stalled = null;\n this._tryNudgeBuffer();\n }\n }\n\n /**\n * Triggers a BUFFER_STALLED_ERROR event, but only once per stall period.\n * @param bufferLen - The playhead distance from the end of the current buffer segment.\n * @private\n */\n _reportStall (bufferLen) {\n const { hls, media, stallReported } = this;\n if (!stallReported) {\n // Report stalled error once\n this.stallReported = true;\n logger.warn(`Playback stalling at @${media.currentTime} due to low buffer`);\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_STALLED_ERROR,\n fatal: false,\n buffer: bufferLen\n });\n }\n }\n\n /**\n * Attempts to fix buffer stalls by jumping over known gaps caused by partial fragments\n * @param partial - The partial fragment found at the current time (where playback is stalling).\n * @private\n */\n _trySkipBufferHole (partial) {\n const { config, hls, media } = this;\n const currentTime = media.currentTime;\n let lastEndTime = 0;\n // Check if currentTime is between unbuffered regions of partial fragments\n for (let i = 0; i < media.buffered.length; i++) {\n const startTime = media.buffered.start(i);\n if (currentTime + config.maxBufferHole >= lastEndTime && currentTime < startTime) {\n const targetTime = Math.max(startTime + SKIP_BUFFER_RANGE_START, media.currentTime + SKIP_BUFFER_HOLE_STEP_SECONDS);\n logger.warn(`skipping hole, adjusting currentTime from ${currentTime} to ${targetTime}`);\n this.moved = true;\n this.stalled = null;\n media.currentTime = targetTime;\n if (partial) {\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_SEEK_OVER_HOLE,\n fatal: false,\n reason: `fragment loaded with buffer holes, seeking from ${currentTime} to ${targetTime}`,\n frag: partial\n });\n }\n return targetTime;\n }\n lastEndTime = media.buffered.end(i);\n }\n return 0;\n }\n\n /**\n * Attempts to fix buffer stalls by advancing the mediaElement's current time by a small amount.\n * @private\n */\n _tryNudgeBuffer () {\n const { config, hls, media } = this;\n const currentTime = media.currentTime;\n const nudgeRetry = (this.nudgeRetry || 0) + 1;\n this.nudgeRetry = nudgeRetry;\n\n if (nudgeRetry < config.nudgeMaxRetry) {\n const targetTime = currentTime + nudgeRetry * config.nudgeOffset;\n // playback stalled in buffered area ... let's nudge currentTime to try to overcome this\n logger.warn(`Nudging 'currentTime' from ${currentTime} to ${targetTime}`);\n media.currentTime = targetTime;\n\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_NUDGE_ON_STALL,\n fatal: false\n });\n } else {\n logger.error(`Playhead still not moving while enough data buffered @${currentTime} after ${config.nudgeMaxRetry} nudges`);\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_STALLED_ERROR,\n fatal: true\n });\n }\n }\n}\n","import TaskLoop from '../task-loop';\nimport { FragmentState } from './fragment-tracker';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport { logger } from '../utils/logger';\n\nexport const State = {\n STOPPED: 'STOPPED',\n STARTING: 'STARTING',\n IDLE: 'IDLE',\n PAUSED: 'PAUSED',\n KEY_LOADING: 'KEY_LOADING',\n FRAG_LOADING: 'FRAG_LOADING',\n FRAG_LOADING_WAITING_RETRY: 'FRAG_LOADING_WAITING_RETRY',\n WAITING_TRACK: 'WAITING_TRACK',\n PARSING: 'PARSING',\n PARSED: 'PARSED',\n BUFFER_FLUSHING: 'BUFFER_FLUSHING',\n ENDED: 'ENDED',\n ERROR: 'ERROR',\n WAITING_INIT_PTS: 'WAITING_INIT_PTS',\n WAITING_LEVEL: 'WAITING_LEVEL'\n};\n\nexport default class BaseStreamController extends TaskLoop {\n doTick () {}\n\n startLoad () {}\n\n stopLoad () {\n let frag = this.fragCurrent;\n if (frag) {\n if (frag.loader) {\n frag.loader.abort();\n }\n this.fragmentTracker.removeFragment(frag);\n }\n if (this.demuxer) {\n this.demuxer.destroy();\n this.demuxer = null;\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n this.clearInterval();\n this.clearNextTick();\n this.state = State.STOPPED;\n }\n\n _streamEnded (bufferInfo, levelDetails) {\n const { fragCurrent, fragmentTracker } = this;\n // we just got done loading the final fragment and there is no other buffered range after ...\n // rationale is that in case there are any buffered ranges after, it means that there are unbuffered portion in between\n // so we should not switch to ENDED in that case, to be able to buffer them\n // dont switch to ENDED if we need to backtrack last fragment\n if (!levelDetails.live && fragCurrent && !fragCurrent.backtracked && fragCurrent.sn === levelDetails.endSN && !bufferInfo.nextStart) {\n const fragState = fragmentTracker.getState(fragCurrent);\n return fragState === FragmentState.PARTIAL || fragState === FragmentState.OK;\n }\n return false;\n }\n\n onMediaSeeking () {\n const { config, media, mediaBuffer, state } = this;\n const currentTime = media ? media.currentTime : null;\n const bufferInfo = BufferHelper.bufferInfo(mediaBuffer || media, currentTime, this.config.maxBufferHole);\n\n if (Number.isFinite(currentTime)) {\n logger.log(`media seeking to ${currentTime.toFixed(3)}`);\n }\n\n if (state === State.FRAG_LOADING) {\n let fragCurrent = this.fragCurrent;\n // check if we are seeking to a unbuffered area AND if frag loading is in progress\n if (bufferInfo.len === 0 && fragCurrent) {\n const tolerance = config.maxFragLookUpTolerance;\n const fragStartOffset = fragCurrent.start - tolerance;\n const fragEndOffset = fragCurrent.start + fragCurrent.duration + tolerance;\n // check if we seek position will be out of currently loaded frag range : if out cancel frag load, if in, don't do anything\n if (currentTime < fragStartOffset || currentTime > fragEndOffset) {\n if (fragCurrent.loader) {\n logger.log('seeking outside of buffer while fragment load in progress, cancel fragment load');\n fragCurrent.loader.abort();\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n // switch to IDLE state to load new fragment\n this.state = State.IDLE;\n } else {\n logger.log('seeking outside of buffer but within currently loaded fragment range');\n }\n }\n } else if (state === State.ENDED) {\n // if seeking to unbuffered area, clean up fragPrevious\n if (bufferInfo.len === 0) {\n this.fragPrevious = null;\n this.fragCurrent = null;\n }\n\n // switch to IDLE state to check for potential new fragment\n this.state = State.IDLE;\n }\n if (media) {\n this.lastCurrentTime = currentTime;\n }\n\n // in case seeking occurs although no media buffered, adjust startPosition and nextLoadPosition to seek target\n if (!this.loadedmetadata) {\n this.nextLoadPosition = this.startPosition = currentTime;\n }\n\n // tick to speed up processing\n this.tick();\n }\n\n onMediaEnded () {\n // reset startPosition and lastCurrentTime to restart playback @ stream beginning\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n onHandlerDestroying () {\n this.stopLoad();\n super.onHandlerDestroying();\n }\n\n onHandlerDestroyed () {\n this.state = State.STOPPED;\n this.fragmentTracker = null;\n }\n\n computeLivePosition (sliding, levelDetails) {\n let targetLatency = this.config.liveSyncDuration !== undefined ? this.config.liveSyncDuration : this.config.liveSyncDurationCount * levelDetails.targetduration;\n return sliding + Math.max(0, levelDetails.totalduration - targetLatency);\n }\n}\n","/*\n * Stream Controller\n*/\n\nimport BinarySearch from '../utils/binary-search';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport Demuxer from '../demux/demuxer';\nimport Event from '../events';\nimport { FragmentState } from './fragment-tracker';\nimport { ElementaryStreamTypes } from '../loader/fragment';\nimport { PlaylistLevelType } from '../types/loader';\nimport * as LevelHelper from './level-helper';\nimport TimeRanges from '../utils/time-ranges';\nimport { ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport { alignStream } from '../utils/discontinuities';\nimport { findFragmentByPDT, findFragmentByPTS } from './fragment-finders';\nimport GapController from './gap-controller';\nimport BaseStreamController, { State } from './base-stream-controller';\n\nconst TICK_INTERVAL = 100; // how often to tick in ms\n\nclass StreamController extends BaseStreamController {\n constructor (hls, fragmentTracker) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.MANIFEST_LOADING,\n Event.MANIFEST_PARSED,\n Event.LEVEL_LOADED,\n Event.KEY_LOADED,\n Event.FRAG_LOADED,\n Event.FRAG_LOAD_EMERGENCY_ABORTED,\n Event.FRAG_PARSING_INIT_SEGMENT,\n Event.FRAG_PARSING_DATA,\n Event.FRAG_PARSED,\n Event.ERROR,\n Event.AUDIO_TRACK_SWITCHING,\n Event.AUDIO_TRACK_SWITCHED,\n Event.BUFFER_CREATED,\n Event.BUFFER_APPENDED,\n Event.BUFFER_FLUSHED);\n\n this.fragmentTracker = fragmentTracker;\n this.config = hls.config;\n this.audioCodecSwap = false;\n this._state = State.STOPPED;\n this.stallReported = false;\n this.gapController = null;\n this.altAudio = false;\n }\n\n startLoad (startPosition) {\n if (this.levels) {\n let lastCurrentTime = this.lastCurrentTime, hls = this.hls;\n this.stopLoad();\n this.setInterval(TICK_INTERVAL);\n this.level = -1;\n this.fragLoadError = 0;\n if (!this.startFragRequested) {\n // determine load level\n let startLevel = hls.startLevel;\n if (startLevel === -1) {\n // -1 : guess start Level by doing a bitrate test by loading first fragment of lowest quality level\n startLevel = 0;\n this.bitrateTest = true;\n }\n // set new level to playlist loader : this will trigger start level load\n // hls.nextLoadLevel remains until it is set to a new value or until a new frag is successfully loaded\n this.level = hls.nextLoadLevel = startLevel;\n this.loadedmetadata = false;\n }\n // if startPosition undefined but lastCurrentTime set, set startPosition to last currentTime\n if (lastCurrentTime > 0 && startPosition === -1) {\n logger.log(`override startPosition with lastCurrentTime @${lastCurrentTime.toFixed(3)}`);\n startPosition = lastCurrentTime;\n }\n this.state = State.IDLE;\n this.nextLoadPosition = this.startPosition = this.lastCurrentTime = startPosition;\n this.tick();\n } else {\n this.forceStartLoad = true;\n this.state = State.STOPPED;\n }\n }\n\n stopLoad () {\n this.forceStartLoad = false;\n super.stopLoad();\n }\n\n doTick () {\n switch (this.state) {\n case State.BUFFER_FLUSHING:\n // in buffer flushing state, reset fragLoadError counter\n this.fragLoadError = 0;\n break;\n case State.IDLE:\n this._doTickIdle();\n break;\n case State.WAITING_LEVEL:\n var level = this.levels[this.level];\n // check if playlist is already loaded\n if (level && level.details) {\n this.state = State.IDLE;\n }\n\n break;\n case State.FRAG_LOADING_WAITING_RETRY:\n var now = window.performance.now();\n var retryDate = this.retryDate;\n // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading\n if (!retryDate || (now >= retryDate) || (this.media && this.media.seeking)) {\n logger.log('mediaController: retryDate reached, switch back to IDLE state');\n this.state = State.IDLE;\n }\n break;\n case State.ERROR:\n case State.STOPPED:\n case State.FRAG_LOADING:\n case State.PARSING:\n case State.PARSED:\n case State.ENDED:\n break;\n default:\n break;\n }\n // check buffer\n this._checkBuffer();\n // check/update current fragment\n this._checkFragmentChanged();\n }\n\n // Ironically the \"idle\" state is the on we do the most logic in it seems ....\n // NOTE: Maybe we could rather schedule a check for buffer length after half of the currently\n // played segment, or on pause/play/seek instead of naively checking every 100ms?\n _doTickIdle () {\n const hls = this.hls,\n config = hls.config,\n media = this.media;\n\n // if start level not parsed yet OR\n // if video not attached AND start fragment already requested OR start frag prefetch disable\n // exit loop, as we either need more info (level not parsed) or we need media to be attached to load new fragment\n if (this.levelLastLoaded === undefined || (\n !media && (this.startFragRequested || !config.startFragPrefetch))) {\n return;\n }\n\n // if we have not yet loaded any fragment, start loading from start position\n let pos;\n if (this.loadedmetadata) {\n pos = media.currentTime;\n } else {\n pos = this.nextLoadPosition;\n }\n\n // determine next load level\n let level = hls.nextLoadLevel,\n levelInfo = this.levels[level];\n\n if (!levelInfo) {\n return;\n }\n\n let levelBitrate = levelInfo.bitrate,\n maxBufLen;\n\n // compute max Buffer Length that we could get from this load level, based on level bitrate.\n if (levelBitrate) {\n maxBufLen = Math.max(8 * config.maxBufferSize / levelBitrate, config.maxBufferLength);\n } else {\n maxBufLen = config.maxBufferLength;\n }\n\n maxBufLen = Math.min(maxBufLen, config.maxMaxBufferLength);\n\n // determine next candidate fragment to be loaded, based on current position and end of buffer position\n // ensure up to `config.maxMaxBufferLength` of buffer upfront\n\n const bufferInfo = BufferHelper.bufferInfo(this.mediaBuffer ? this.mediaBuffer : media, pos, config.maxBufferHole),\n bufferLen = bufferInfo.len;\n // Stay idle if we are still with buffer margins\n if (bufferLen >= maxBufLen) {\n return;\n }\n\n // if buffer length is less than maxBufLen try to load a new fragment ...\n logger.trace(`buffer length of ${bufferLen.toFixed(3)} is below max of ${maxBufLen.toFixed(3)}. checking for more payload ...`);\n\n // set next load level : this will trigger a playlist load if needed\n this.level = hls.nextLoadLevel = level;\n\n const levelDetails = levelInfo.details;\n // if level info not retrieved yet, switch state and wait for level retrieval\n // if live playlist, ensure that new playlist has been refreshed to avoid loading/try to load\n // a useless and outdated fragment (that might even introduce load error if it is already out of the live playlist)\n if (!levelDetails || (levelDetails.live && this.levelLastLoaded !== level)) {\n this.state = State.WAITING_LEVEL;\n return;\n }\n\n if (this._streamEnded(bufferInfo, levelDetails)) {\n const data = {};\n if (this.altAudio) {\n data.type = 'video';\n }\n\n this.hls.trigger(Event.BUFFER_EOS, data);\n this.state = State.ENDED;\n return;\n }\n // if we have the levelDetails for the selected variant, lets continue enrichen our stream (load keys/fragments or trigger EOS, etc..)\n this._fetchPayloadOrEos(pos, bufferInfo, levelDetails);\n }\n\n _fetchPayloadOrEos (pos, bufferInfo, levelDetails) {\n const fragPrevious = this.fragPrevious,\n level = this.level,\n fragments = levelDetails.fragments,\n fragLen = fragments.length;\n\n // empty playlist\n if (fragLen === 0) {\n return;\n }\n\n // find fragment index, contiguous with end of buffer position\n let start = fragments[0].start,\n end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration,\n bufferEnd = bufferInfo.end,\n frag;\n\n if (levelDetails.initSegment && !levelDetails.initSegment.data) {\n frag = levelDetails.initSegment;\n } else {\n // in case of live playlist we need to ensure that requested position is not located before playlist start\n if (levelDetails.live) {\n let initialLiveManifestSize = this.config.initialLiveManifestSize;\n if (fragLen < initialLiveManifestSize) {\n logger.warn(`Can not start playback of a level, reason: not enough fragments ${fragLen} < ${initialLiveManifestSize}`);\n return;\n }\n\n frag = this._ensureFragmentAtLivePoint(levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen);\n // if it explicitely returns null don't load any fragment and exit function now\n if (frag === null) {\n return;\n }\n } else {\n // VoD playlist: if bufferEnd before start of playlist, load first fragment\n if (bufferEnd < start) {\n frag = fragments[0];\n }\n }\n }\n if (!frag) {\n frag = this._findFragment(start, fragPrevious, fragLen, fragments, bufferEnd, end, levelDetails);\n }\n\n if (frag) {\n if (frag.encrypted) {\n logger.log(`Loading key for ${frag.sn} of [${levelDetails.startSN} ,${levelDetails.endSN}],level ${level}`);\n this._loadKey(frag);\n } else {\n logger.log(`Loading ${frag.sn} of [${levelDetails.startSN} ,${levelDetails.endSN}],level ${level}, currentTime:${pos.toFixed(3)},bufferEnd:${bufferEnd.toFixed(3)}`);\n this._loadFragment(frag);\n }\n }\n }\n\n _ensureFragmentAtLivePoint (levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen) {\n const config = this.hls.config, media = this.media;\n\n let frag;\n\n // check if requested position is within seekable boundaries :\n // logger.log(`start/pos/bufEnd/seeking:${start.toFixed(3)}/${pos.toFixed(3)}/${bufferEnd.toFixed(3)}/${this.media.seeking}`);\n let maxLatency = config.liveMaxLatencyDuration !== undefined ? config.liveMaxLatencyDuration : config.liveMaxLatencyDurationCount * levelDetails.targetduration;\n\n if (bufferEnd < Math.max(start - config.maxFragLookUpTolerance, end - maxLatency)) {\n let liveSyncPosition = this.liveSyncPosition = this.computeLivePosition(start, levelDetails);\n bufferEnd = liveSyncPosition;\n if (media && !media.paused && media.readyState && media.duration > liveSyncPosition && liveSyncPosition > media.currentTime) {\n logger.log(`buffer end: ${bufferEnd.toFixed(3)} is located too far from the end of live sliding playlist, reset currentTime to : ${liveSyncPosition.toFixed(3)}`);\n media.currentTime = liveSyncPosition;\n }\n\n this.nextLoadPosition = liveSyncPosition;\n }\n\n // if end of buffer greater than live edge, don't load any fragment\n // this could happen if live playlist intermittently slides in the past.\n // level 1 loaded [182580161,182580167]\n // level 1 loaded [182580162,182580169]\n // Loading 182580168 of [182580162 ,182580169],level 1 ..\n // Loading 182580169 of [182580162 ,182580169],level 1 ..\n // level 1 loaded [182580162,182580168] <============= here we should have bufferEnd > end. in that case break to avoid reloading 182580168\n // level 1 loaded [182580164,182580171]\n //\n // don't return null in case media not loaded yet (readystate === 0)\n if (levelDetails.PTSKnown && bufferEnd > end && media && media.readyState) {\n return null;\n }\n\n if (this.startFragRequested && !levelDetails.PTSKnown) {\n /* we are switching level on live playlist, but we don't have any PTS info for that quality level ...\n try to load frag matching with next SN.\n even if SN are not synchronized between playlists, loading this frag will help us\n compute playlist sliding and find the right one after in case it was not the right consecutive one */\n if (fragPrevious) {\n if (levelDetails.hasProgramDateTime) {\n // Relies on PDT in order to switch bitrates (Support EXT-X-DISCONTINUITY without EXT-X-DISCONTINUITY-SEQUENCE)\n logger.log(`live playlist, switching playlist, load frag with same PDT: ${fragPrevious.programDateTime}`);\n frag = findFragmentByPDT(fragments, fragPrevious.endProgramDateTime, config.maxFragLookUpTolerance);\n } else {\n // Uses buffer and sequence number to calculate switch segment (required if using EXT-X-DISCONTINUITY-SEQUENCE)\n const targetSN = fragPrevious.sn + 1;\n if (targetSN >= levelDetails.startSN && targetSN <= levelDetails.endSN) {\n const fragNext = fragments[targetSN - levelDetails.startSN];\n if (fragPrevious.cc === fragNext.cc) {\n frag = fragNext;\n logger.log(`live playlist, switching playlist, load frag with next SN: ${frag.sn}`);\n }\n }\n // next frag SN not available (or not with same continuity counter)\n // look for a frag sharing the same CC\n if (!frag) {\n frag = BinarySearch.search(fragments, function (frag) {\n return fragPrevious.cc - frag.cc;\n });\n if (frag) {\n logger.log(`live playlist, switching playlist, load frag with same CC: ${frag.sn}`);\n }\n }\n }\n }\n if (!frag) {\n /* we have no idea about which fragment should be loaded.\n so let's load mid fragment. it will help computing playlist sliding and find the right one\n */\n frag = fragments[Math.min(fragLen - 1, Math.round(fragLen / 2))];\n logger.log(`live playlist, switching playlist, unknown, load middle frag : ${frag.sn}`);\n }\n }\n\n return frag;\n }\n\n _findFragment (start, fragPreviousLoad, fragmentIndexRange, fragments, bufferEnd, end, levelDetails) {\n const config = this.hls.config;\n let fragNextLoad;\n\n if (bufferEnd < end) {\n const lookupTolerance = (bufferEnd > end - config.maxFragLookUpTolerance) ? 0 : config.maxFragLookUpTolerance;\n // Remove the tolerance if it would put the bufferEnd past the actual end of stream\n // Uses buffer and sequence number to calculate switch segment (required if using EXT-X-DISCONTINUITY-SEQUENCE)\n fragNextLoad = findFragmentByPTS(fragPreviousLoad, fragments, bufferEnd, lookupTolerance);\n } else {\n // reach end of playlist\n fragNextLoad = fragments[fragmentIndexRange - 1];\n }\n\n if (fragNextLoad) {\n const curSNIdx = fragNextLoad.sn - levelDetails.startSN;\n const sameLevel = fragPreviousLoad && fragNextLoad.level === fragPreviousLoad.level;\n const prevSnFrag = fragments[curSNIdx - 1];\n const nextSnFrag = fragments[curSNIdx + 1];\n\n // logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn);\n if (fragPreviousLoad && fragNextLoad.sn === fragPreviousLoad.sn) {\n if (sameLevel && !fragNextLoad.backtracked) {\n if (fragNextLoad.sn < levelDetails.endSN) {\n let deltaPTS = fragPreviousLoad.deltaPTS;\n // if there is a significant delta between audio and video, larger than max allowed hole,\n // and if previous remuxed fragment did not start with a keyframe. (fragPrevious.dropped)\n // let's try to load previous fragment again to get last keyframe\n // then we will reload again current fragment (that way we should be able to fill the buffer hole ...)\n if (deltaPTS && deltaPTS > config.maxBufferHole && fragPreviousLoad.dropped && curSNIdx) {\n fragNextLoad = prevSnFrag;\n logger.warn('Previous fragment was dropped with large PTS gap between audio and video. Maybe fragment is not starting with a keyframe? Loading previous one to try to overcome this');\n } else {\n fragNextLoad = nextSnFrag;\n logger.log(`Re-loading fragment with SN: ${fragNextLoad.sn}`);\n }\n } else {\n fragNextLoad = null;\n }\n } else if (fragNextLoad.backtracked) {\n // Only backtrack a max of 1 consecutive fragment to prevent sliding back too far when little or no frags start with keyframes\n if (nextSnFrag && nextSnFrag.backtracked) {\n logger.warn(`Already backtracked from fragment ${nextSnFrag.sn}, will not backtrack to fragment ${fragNextLoad.sn}. Loading fragment ${nextSnFrag.sn}`);\n fragNextLoad = nextSnFrag;\n } else {\n // If a fragment has dropped frames and it's in a same level/sequence, load the previous fragment to try and find the keyframe\n // Reset the dropped count now since it won't be reset until we parse the fragment again, which prevents infinite backtracking on the same segment\n logger.warn('Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe');\n fragNextLoad.dropped = 0;\n if (prevSnFrag) {\n fragNextLoad = prevSnFrag;\n fragNextLoad.backtracked = true;\n } else if (curSNIdx) {\n // can't backtrack on very first fragment\n fragNextLoad = null;\n }\n }\n }\n }\n }\n\n return fragNextLoad;\n }\n\n _loadKey (frag) {\n this.state = State.KEY_LOADING;\n this.hls.trigger(Event.KEY_LOADING, { frag });\n }\n\n _loadFragment (frag) {\n // Check if fragment is not loaded\n let fragState = this.fragmentTracker.getState(frag);\n\n this.fragCurrent = frag;\n if (frag.sn !== 'initSegment') {\n this.startFragRequested = true;\n }\n // Don't update nextLoadPosition for fragments which are not buffered\n if (Number.isFinite(frag.sn) && !frag.bitrateTest) {\n this.nextLoadPosition = frag.start + frag.duration;\n }\n\n // Allow backtracked fragments to load\n if (frag.backtracked || fragState === FragmentState.NOT_LOADED || fragState === FragmentState.PARTIAL) {\n frag.autoLevel = this.hls.autoLevelEnabled;\n frag.bitrateTest = this.bitrateTest;\n\n this.hls.trigger(Event.FRAG_LOADING, { frag });\n // lazy demuxer init, as this could take some time ... do it during frag loading\n if (!this.demuxer) {\n this.demuxer = new Demuxer(this.hls, 'main');\n }\n\n this.state = State.FRAG_LOADING;\n } else if (fragState === FragmentState.APPENDING) {\n // Lower the buffer size and try again\n if (this._reduceMaxBufferLength(frag.duration)) {\n this.fragmentTracker.removeFragment(frag);\n }\n }\n }\n\n set state (nextState) {\n if (this.state !== nextState) {\n const previousState = this.state;\n this._state = nextState;\n logger.log(`main stream-controller: ${previousState}->${nextState}`);\n this.hls.trigger(Event.STREAM_STATE_TRANSITION, { previousState, nextState });\n }\n }\n\n get state () {\n return this._state;\n }\n\n getBufferedFrag (position) {\n return this.fragmentTracker.getBufferedFrag(position, PlaylistLevelType.MAIN);\n }\n\n get currentLevel () {\n let media = this.media;\n if (media) {\n const frag = this.getBufferedFrag(media.currentTime);\n if (frag) {\n return frag.level;\n }\n }\n return -1;\n }\n\n get nextBufferedFrag () {\n let media = this.media;\n if (media) {\n // first get end range of current fragment\n return this.followingBufferedFrag(this.getBufferedFrag(media.currentTime));\n } else {\n return null;\n }\n }\n\n followingBufferedFrag (frag) {\n if (frag) {\n // try to get range of next fragment (500ms after this range)\n return this.getBufferedFrag(frag.endPTS + 0.5);\n }\n return null;\n }\n\n get nextLevel () {\n const frag = this.nextBufferedFrag;\n if (frag) {\n return frag.level;\n } else {\n return -1;\n }\n }\n\n _checkFragmentChanged () {\n let fragPlayingCurrent, currentTime, video = this.media;\n if (video && video.readyState && video.seeking === false) {\n currentTime = video.currentTime;\n /* if video element is in seeked state, currentTime can only increase.\n (assuming that playback rate is positive ...)\n As sometimes currentTime jumps back to zero after a\n media decode error, check this, to avoid seeking back to\n wrong position after a media decode error\n */\n if (currentTime > this.lastCurrentTime) {\n this.lastCurrentTime = currentTime;\n }\n\n if (BufferHelper.isBuffered(video, currentTime)) {\n fragPlayingCurrent = this.getBufferedFrag(currentTime);\n } else if (BufferHelper.isBuffered(video, currentTime + 0.1)) {\n /* ensure that FRAG_CHANGED event is triggered at startup,\n when first video frame is displayed and playback is paused.\n add a tolerance of 100ms, in case current position is not buffered,\n check if current pos+100ms is buffered and use that buffer range\n for FRAG_CHANGED event reporting */\n fragPlayingCurrent = this.getBufferedFrag(currentTime + 0.1);\n }\n if (fragPlayingCurrent) {\n let fragPlaying = fragPlayingCurrent;\n if (fragPlaying !== this.fragPlaying) {\n this.hls.trigger(Event.FRAG_CHANGED, { frag: fragPlaying });\n const fragPlayingLevel = fragPlaying.level;\n if (!this.fragPlaying || this.fragPlaying.level !== fragPlayingLevel) {\n this.hls.trigger(Event.LEVEL_SWITCHED, { level: fragPlayingLevel });\n }\n\n this.fragPlaying = fragPlaying;\n }\n }\n }\n }\n\n /*\n on immediate level switch :\n - pause playback if playing\n - cancel any pending load request\n - and trigger a buffer flush\n */\n immediateLevelSwitch () {\n logger.log('immediateLevelSwitch');\n if (!this.immediateSwitch) {\n this.immediateSwitch = true;\n let media = this.media, previouslyPaused;\n if (media) {\n previouslyPaused = media.paused;\n media.pause();\n } else {\n // don't restart playback after instant level switch in case media not attached\n previouslyPaused = true;\n }\n this.previouslyPaused = previouslyPaused;\n }\n let fragCurrent = this.fragCurrent;\n if (fragCurrent && fragCurrent.loader) {\n fragCurrent.loader.abort();\n }\n\n this.fragCurrent = null;\n // flush everything\n this.flushMainBuffer(0, Number.POSITIVE_INFINITY);\n }\n\n /**\n * on immediate level switch end, after new fragment has been buffered:\n * - nudge video decoder by slightly adjusting video currentTime (if currentTime buffered)\n * - resume the playback if needed\n */\n immediateLevelSwitchEnd () {\n const media = this.media;\n if (media && media.buffered.length) {\n this.immediateSwitch = false;\n if (BufferHelper.isBuffered(media, media.currentTime)) {\n // only nudge if currentTime is buffered\n media.currentTime -= 0.0001;\n }\n if (!this.previouslyPaused) {\n media.play();\n }\n }\n }\n\n /**\n * try to switch ASAP without breaking video playback:\n * in order to ensure smooth but quick level switching,\n * we need to find the next flushable buffer range\n * we should take into account new segment fetch time\n */\n nextLevelSwitch () {\n const media = this.media;\n // ensure that media is defined and that metadata are available (to retrieve currentTime)\n if (media && media.readyState) {\n let fetchdelay, fragPlayingCurrent, nextBufferedFrag;\n fragPlayingCurrent = this.getBufferedFrag(media.currentTime);\n if (fragPlayingCurrent && fragPlayingCurrent.startPTS > 1) {\n // flush buffer preceding current fragment (flush until current fragment start offset)\n // minus 1s to avoid video freezing, that could happen if we flush keyframe of current video ...\n this.flushMainBuffer(0, fragPlayingCurrent.startPTS - 1);\n }\n if (!media.paused) {\n // add a safety delay of 1s\n let nextLevelId = this.hls.nextLoadLevel, nextLevel = this.levels[nextLevelId], fragLastKbps = this.fragLastKbps;\n if (fragLastKbps && this.fragCurrent) {\n fetchdelay = this.fragCurrent.duration * nextLevel.bitrate / (1000 * fragLastKbps) + 1;\n } else {\n fetchdelay = 0;\n }\n } else {\n fetchdelay = 0;\n }\n // logger.log('fetchdelay:'+fetchdelay);\n // find buffer range that will be reached once new fragment will be fetched\n nextBufferedFrag = this.getBufferedFrag(media.currentTime + fetchdelay);\n if (nextBufferedFrag) {\n // we can flush buffer range following this one without stalling playback\n nextBufferedFrag = this.followingBufferedFrag(nextBufferedFrag);\n if (nextBufferedFrag) {\n // if we are here, we can also cancel any loading/demuxing in progress, as they are useless\n let fragCurrent = this.fragCurrent;\n if (fragCurrent && fragCurrent.loader) {\n fragCurrent.loader.abort();\n }\n\n this.fragCurrent = null;\n // start flush position is the start PTS of next buffered frag.\n // we use frag.naxStartPTS which is max(audio startPTS, video startPTS).\n // in case there is a small PTS Delta between audio and video, using maxStartPTS avoids flushing last samples from current fragment\n this.flushMainBuffer(nextBufferedFrag.maxStartPTS, Number.POSITIVE_INFINITY);\n }\n }\n }\n }\n\n flushMainBuffer (startOffset, endOffset) {\n this.state = State.BUFFER_FLUSHING;\n let flushScope = { startOffset: startOffset, endOffset: endOffset };\n // if alternate audio tracks are used, only flush video, otherwise flush everything\n if (this.altAudio) {\n flushScope.type = 'video';\n }\n\n this.hls.trigger(Event.BUFFER_FLUSHING, flushScope);\n }\n\n onMediaAttached (data) {\n let media = this.media = this.mediaBuffer = data.media;\n this.onvseeking = this.onMediaSeeking.bind(this);\n this.onvseeked = this.onMediaSeeked.bind(this);\n this.onvended = this.onMediaEnded.bind(this);\n media.addEventListener('seeking', this.onvseeking);\n media.addEventListener('seeked', this.onvseeked);\n media.addEventListener('ended', this.onvended);\n let config = this.config;\n if (this.levels && config.autoStartLoad) {\n this.hls.startLoad(config.startPosition);\n }\n\n this.gapController = new GapController(config, media, this.fragmentTracker, this.hls);\n }\n\n onMediaDetaching () {\n let media = this.media;\n if (media && media.ended) {\n logger.log('MSE detaching and video ended, reset startPosition');\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n // reset fragment backtracked flag\n let levels = this.levels;\n if (levels) {\n levels.forEach(level => {\n if (level.details) {\n level.details.fragments.forEach(fragment => {\n fragment.backtracked = undefined;\n });\n }\n });\n }\n\n // remove video listeners\n if (media) {\n media.removeEventListener('seeking', this.onvseeking);\n media.removeEventListener('seeked', this.onvseeked);\n media.removeEventListener('ended', this.onvended);\n this.onvseeking = this.onvseeked = this.onvended = null;\n }\n\n this.fragmentTracker.removeAllFragments();\n this.media = this.mediaBuffer = null;\n this.loadedmetadata = false;\n this.stopLoad();\n }\n\n onMediaSeeked () {\n const media = this.media;\n const currentTime = media ? media.currentTime : undefined;\n const { seekWithinTolerance } = this.config;\n\n // We are not firing Event.CAN_PLAY_AFTER_SEEK only if we are seeking again to reach buffered fragment.\n if (!seekWithinTolerance || !this.gapController.seekWithinToleranceIfNeeded()) {\n this.hls.trigger(Event.CAN_PLAY_AFTER_SEEK);\n }\n\n if (Number.isFinite(currentTime)) {\n logger.log(`media seeked to ${currentTime.toFixed(3)}`);\n }\n\n // tick to speed up FRAGMENT_PLAYING triggering\n this.tick();\n }\n\n onManifestLoading () {\n // reset buffer on manifest loading\n logger.log('trigger BUFFER_RESET');\n this.hls.trigger(Event.BUFFER_RESET);\n this.fragmentTracker.removeAllFragments();\n this.stalled = false;\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n onManifestParsed (data) {\n let aac = false, heaac = false, codec;\n data.levels.forEach(level => {\n // detect if we have different kind of audio codecs used amongst playlists\n codec = level.audioCodec;\n if (codec) {\n if (codec.indexOf('mp4a.40.2') !== -1) {\n aac = true;\n }\n\n if (codec.indexOf('mp4a.40.5') !== -1) {\n heaac = true;\n }\n }\n });\n this.audioCodecSwitch = (aac && heaac);\n if (this.audioCodecSwitch) {\n logger.log('both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC');\n }\n\n this.altAudio = data.altAudio;\n this.levels = data.levels;\n this.startFragRequested = false;\n let config = this.config;\n if (config.autoStartLoad || this.forceStartLoad) {\n this.hls.startLoad(config.startPosition);\n }\n }\n\n onLevelLoaded (data) {\n const newDetails = data.details;\n const newLevelId = data.level;\n const lastLevel = this.levels[this.levelLastLoaded];\n const curLevel = this.levels[newLevelId];\n const duration = newDetails.totalduration;\n let sliding = 0;\n\n logger.log(`level ${newLevelId} loaded [${newDetails.startSN},${newDetails.endSN}],duration:${duration}`);\n\n if (newDetails.live) {\n let curDetails = curLevel.details;\n if (curDetails && newDetails.fragments.length > 0) {\n // we already have details for that level, merge them\n LevelHelper.mergeDetails(curDetails, newDetails);\n sliding = newDetails.fragments[0].start;\n this.liveSyncPosition = this.computeLivePosition(sliding, curDetails);\n if (newDetails.PTSKnown && Number.isFinite(sliding)) {\n logger.log(`live playlist sliding:${sliding.toFixed(3)}`);\n } else {\n logger.log('live playlist - outdated PTS, unknown sliding');\n alignStream(this.fragPrevious, lastLevel, newDetails);\n }\n } else {\n logger.log('live playlist - first load, unknown sliding');\n newDetails.PTSKnown = false;\n alignStream(this.fragPrevious, lastLevel, newDetails);\n }\n } else {\n newDetails.PTSKnown = false;\n }\n // override level info\n curLevel.details = newDetails;\n this.levelLastLoaded = newLevelId;\n this.hls.trigger(Event.LEVEL_UPDATED, { details: newDetails, level: newLevelId });\n\n if (this.startFragRequested === false) {\n // compute start position if set to -1. use it straight away if value is defined\n if (this.startPosition === -1 || this.lastCurrentTime === -1) {\n // first, check if start time offset has been set in playlist, if yes, use this value\n let startTimeOffset = newDetails.startTimeOffset;\n if (Number.isFinite(startTimeOffset)) {\n if (startTimeOffset < 0) {\n logger.log(`negative start time offset ${startTimeOffset}, count from end of last fragment`);\n startTimeOffset = sliding + duration + startTimeOffset;\n }\n logger.log(`start time offset found in playlist, adjust startPosition to ${startTimeOffset}`);\n this.startPosition = startTimeOffset;\n } else {\n // if live playlist, set start position to be fragment N-this.config.liveSyncDurationCount (usually 3)\n if (newDetails.live) {\n this.startPosition = this.computeLivePosition(sliding, newDetails);\n logger.log(`configure startPosition to ${this.startPosition}`);\n } else {\n this.startPosition = 0;\n }\n }\n this.lastCurrentTime = this.startPosition;\n }\n this.nextLoadPosition = this.startPosition;\n }\n // only switch batck to IDLE state if we were waiting for level to start downloading a new fragment\n if (this.state === State.WAITING_LEVEL) {\n this.state = State.IDLE;\n }\n\n // trigger handler right now\n this.tick();\n }\n\n onKeyLoaded () {\n if (this.state === State.KEY_LOADING) {\n this.state = State.IDLE;\n this.tick();\n }\n }\n\n onFragLoaded (data) {\n const { fragCurrent, hls, levels, media } = this;\n const fragLoaded = data.frag;\n if (this.state === State.FRAG_LOADING &&\n fragCurrent &&\n fragLoaded.type === 'main' &&\n fragLoaded.level === fragCurrent.level &&\n fragLoaded.sn === fragCurrent.sn) {\n const stats = data.stats;\n const currentLevel = levels[fragCurrent.level];\n const details = currentLevel.details;\n // reset frag bitrate test in any case after frag loaded event\n // if this frag was loaded to perform a bitrate test AND if hls.nextLoadLevel is greater than 0\n // then this means that we should be able to load a fragment at a higher quality level\n this.bitrateTest = false;\n this.stats = stats;\n\n logger.log(`Loaded ${fragCurrent.sn} of [${details.startSN} ,${details.endSN}],level ${fragCurrent.level}`);\n if (fragLoaded.bitrateTest && hls.nextLoadLevel) {\n // switch back to IDLE state ... we just loaded a fragment to determine adequate start bitrate and initialize autoswitch algo\n this.state = State.IDLE;\n this.startFragRequested = false;\n stats.tparsed = stats.tbuffered = window.performance.now();\n hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'main' });\n this.tick();\n } else if (fragLoaded.sn === 'initSegment') {\n this.state = State.IDLE;\n stats.tparsed = stats.tbuffered = window.performance.now();\n details.initSegment.data = data.payload;\n hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'main' });\n this.tick();\n } else {\n logger.log(`Parsing ${fragCurrent.sn} of [${details.startSN} ,${details.endSN}],level ${fragCurrent.level}, cc ${fragCurrent.cc}`);\n this.state = State.PARSING;\n this.pendingBuffering = true;\n this.appended = false;\n\n // Bitrate test frags are not usually buffered so the fragment tracker ignores them. If Hls.js decides to buffer\n // it (and therefore ends up at this line), then the fragment tracker needs to be manually informed.\n if (fragLoaded.bitrateTest) {\n fragLoaded.bitrateTest = false;\n this.fragmentTracker.onFragLoaded({\n frag: fragLoaded\n });\n }\n\n // time Offset is accurate if level PTS is known, or if playlist is not sliding (not live) and if media is not seeking (this is to overcome potential timestamp drifts between playlists and fragments)\n const accurateTimeOffset = !(media && media.seeking) && (details.PTSKnown || !details.live);\n const initSegmentData = details.initSegment ? details.initSegment.data : [];\n const audioCodec = this._getAudioCodec(currentLevel);\n\n // transmux the MPEG-TS data to ISO-BMFF segments\n const demuxer = this.demuxer = this.demuxer || new Demuxer(this.hls, 'main');\n demuxer.push(\n data.payload,\n initSegmentData,\n audioCodec,\n currentLevel.videoCodec,\n fragCurrent,\n details.totalduration,\n accurateTimeOffset\n );\n }\n }\n this.fragLoadError = 0;\n }\n\n onFragParsingInitSegment (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n let tracks = data.tracks, trackName, track;\n\n // if audio track is expected to come from audio stream controller, discard any coming from main\n if (tracks.audio && this.altAudio) {\n delete tracks.audio;\n }\n\n // include levelCodec in audio and video tracks\n track = tracks.audio;\n if (track) {\n let audioCodec = this.levels[this.level].audioCodec,\n ua = navigator.userAgent.toLowerCase();\n if (audioCodec && this.audioCodecSwap) {\n logger.log('swapping playlist audio codec');\n if (audioCodec.indexOf('mp4a.40.5') !== -1) {\n audioCodec = 'mp4a.40.2';\n } else {\n audioCodec = 'mp4a.40.5';\n }\n }\n // in case AAC and HE-AAC audio codecs are signalled in manifest\n // force HE-AAC , as it seems that most browsers prefers that way,\n // except for mono streams OR on FF\n // these conditions might need to be reviewed ...\n if (this.audioCodecSwitch) {\n // don't force HE-AAC if mono stream\n if (track.metadata.channelCount !== 1 &&\n // don't force HE-AAC if firefox\n ua.indexOf('firefox') === -1) {\n audioCodec = 'mp4a.40.5';\n }\n }\n // HE-AAC is broken on Android, always signal audio codec as AAC even if variant manifest states otherwise\n if (ua.indexOf('android') !== -1 && track.container !== 'audio/mpeg') { // Exclude mpeg audio\n audioCodec = 'mp4a.40.2';\n logger.log(`Android: force audio codec to ${audioCodec}`);\n }\n track.levelCodec = audioCodec;\n track.id = data.id;\n }\n track = tracks.video;\n if (track) {\n track.levelCodec = this.levels[this.level].videoCodec;\n track.id = data.id;\n }\n this.hls.trigger(Event.BUFFER_CODECS, tracks);\n // loop through tracks that are going to be provided to bufferController\n for (trackName in tracks) {\n track = tracks[trackName];\n logger.log(`main track:${trackName},container:${track.container},codecs[level/parsed]=[${track.levelCodec}/${track.codec}]`);\n let initSegment = track.initSegment;\n if (initSegment) {\n this.appended = true;\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n this.hls.trigger(Event.BUFFER_APPENDING, { type: trackName, data: initSegment, parent: 'main', content: 'initSegment' });\n }\n }\n // trigger handler right now\n this.tick();\n }\n }\n\n onFragParsingData (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n !(data.type === 'audio' && this.altAudio) && // filter out main audio if audio track is loaded through audio stream controller\n this.state === State.PARSING) {\n let level = this.levels[this.level],\n frag = fragCurrent;\n if (!Number.isFinite(data.endPTS)) {\n data.endPTS = data.startPTS + fragCurrent.duration;\n data.endDTS = data.startDTS + fragCurrent.duration;\n }\n\n if (data.hasAudio === true) {\n frag.addElementaryStream(ElementaryStreamTypes.AUDIO);\n }\n\n if (data.hasVideo === true) {\n frag.addElementaryStream(ElementaryStreamTypes.VIDEO);\n }\n\n logger.log(`Parsed ${data.type},PTS:[${data.startPTS.toFixed(3)},${data.endPTS.toFixed(3)}],DTS:[${data.startDTS.toFixed(3)}/${data.endDTS.toFixed(3)}],nb:${data.nb},dropped:${data.dropped || 0}`);\n\n // Detect gaps in a fragment and try to fix it by finding a keyframe in the previous fragment (see _findFragments)\n if (data.type === 'video') {\n frag.dropped = data.dropped;\n if (frag.dropped) {\n if (!frag.backtracked) {\n const levelDetails = level.details;\n if (levelDetails && frag.sn === levelDetails.startSN) {\n logger.warn('missing video frame(s) on first frag, appending with gap', frag.sn);\n } else {\n logger.warn('missing video frame(s), backtracking fragment', frag.sn);\n // Return back to the IDLE state without appending to buffer\n // Causes findFragments to backtrack a segment and find the keyframe\n // Audio fragments arriving before video sets the nextLoadPosition, causing _findFragments to skip the backtracked fragment\n this.fragmentTracker.removeFragment(frag);\n frag.backtracked = true;\n this.nextLoadPosition = data.startPTS;\n this.state = State.IDLE;\n this.fragPrevious = frag;\n this.tick();\n return;\n }\n } else {\n logger.warn('Already backtracked on this fragment, appending with the gap', frag.sn);\n }\n } else {\n // Only reset the backtracked flag if we've loaded the frag without any dropped frames\n frag.backtracked = false;\n }\n }\n\n let drift = LevelHelper.updateFragPTSDTS(level.details, frag, data.startPTS, data.endPTS, data.startDTS, data.endDTS),\n hls = this.hls;\n hls.trigger(Event.LEVEL_PTS_UPDATED, { details: level.details, level: this.level, drift: drift, type: data.type, start: data.startPTS, end: data.endPTS });\n // has remuxer dropped video frames located before first keyframe ?\n [data.data1, data.data2].forEach(buffer => {\n // only append in PARSING state (rationale is that an appending error could happen synchronously on first segment appending)\n // in that case it is useless to append following segments\n if (buffer && buffer.length && this.state === State.PARSING) {\n this.appended = true;\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n hls.trigger(Event.BUFFER_APPENDING, { type: data.type, data: buffer, parent: 'main', content: 'data' });\n }\n });\n // trigger handler right now\n this.tick();\n }\n }\n\n onFragParsed (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n this.stats.tparsed = window.performance.now();\n this.state = State.PARSED;\n this._checkAppendedParsed();\n }\n }\n\n onAudioTrackSwitching (data) {\n // if any URL found on new audio track, it is an alternate audio track\n let altAudio = !!data.url,\n trackId = data.id;\n // if we switch on main audio, ensure that main fragment scheduling is synced with media.buffered\n // don't do anything if we switch to alt audio: audio stream controller is handling it.\n // we will just have to change buffer scheduling on audioTrackSwitched\n if (!altAudio) {\n if (this.mediaBuffer !== this.media) {\n logger.log('switching on main audio, use media.buffered to schedule main fragment loading');\n this.mediaBuffer = this.media;\n let fragCurrent = this.fragCurrent;\n // we need to refill audio buffer from main: cancel any frag loading to speed up audio switch\n if (fragCurrent.loader) {\n logger.log('switching to main audio track, cancel main fragment load');\n fragCurrent.loader.abort();\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n // destroy demuxer to force init segment generation (following audio switch)\n if (this.demuxer) {\n this.demuxer.destroy();\n this.demuxer = null;\n }\n // switch to IDLE state to load new fragment\n this.state = State.IDLE;\n }\n let hls = this.hls;\n // switching to main audio, flush all audio and trigger track switched\n hls.trigger(Event.BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' });\n hls.trigger(Event.AUDIO_TRACK_SWITCHED, { id: trackId });\n this.altAudio = false;\n }\n }\n\n onAudioTrackSwitched (data) {\n let trackId = data.id,\n altAudio = !!this.hls.audioTracks[trackId].url;\n if (altAudio) {\n let videoBuffer = this.videoBuffer;\n // if we switched on alternate audio, ensure that main fragment scheduling is synced with video sourcebuffer buffered\n if (videoBuffer && this.mediaBuffer !== videoBuffer) {\n logger.log('switching on alternate audio, use video.buffered to schedule main fragment loading');\n this.mediaBuffer = videoBuffer;\n }\n }\n this.altAudio = altAudio;\n this.tick();\n }\n\n onBufferCreated (data) {\n let tracks = data.tracks, mediaTrack, name, alternate = false;\n for (let type in tracks) {\n let track = tracks[type];\n if (track.id === 'main') {\n name = type;\n mediaTrack = track;\n // keep video source buffer reference\n if (type === 'video') {\n this.videoBuffer = tracks[type].buffer;\n }\n } else {\n alternate = true;\n }\n }\n if (alternate && mediaTrack) {\n logger.log(`alternate track found, use ${name}.buffered to schedule main fragment loading`);\n this.mediaBuffer = mediaTrack.buffer;\n } else {\n this.mediaBuffer = this.media;\n }\n }\n\n onBufferAppended (data) {\n if (data.parent === 'main') {\n const state = this.state;\n if (state === State.PARSING || state === State.PARSED) {\n // check if all buffers have been appended\n this.pendingBuffering = (data.pending > 0);\n this._checkAppendedParsed();\n }\n }\n }\n\n _checkAppendedParsed () {\n // trigger handler right now\n if (this.state === State.PARSED && (!this.appended || !this.pendingBuffering)) {\n const frag = this.fragCurrent;\n if (frag) {\n const media = this.mediaBuffer ? this.mediaBuffer : this.media;\n logger.log(`main buffered : ${TimeRanges.toString(media.buffered)}`);\n this.fragPrevious = frag;\n const stats = this.stats;\n stats.tbuffered = window.performance.now();\n // we should get rid of this.fragLastKbps\n this.fragLastKbps = Math.round(8 * stats.total / (stats.tbuffered - stats.tfirst));\n this.hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: frag, id: 'main' });\n this.state = State.IDLE;\n }\n this.tick();\n }\n }\n\n onError (data) {\n let frag = data.frag || this.fragCurrent;\n // don't handle frag error not related to main fragment\n if (frag && frag.type !== 'main') {\n return;\n }\n\n // 0.5 : tolerance needed as some browsers stalls playback before reaching buffered end\n let mediaBuffered = !!this.media && BufferHelper.isBuffered(this.media, this.media.currentTime) && BufferHelper.isBuffered(this.media, this.media.currentTime + 0.5);\n\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n if (!data.fatal) {\n // keep retrying until the limit will be reached\n if ((this.fragLoadError + 1) <= this.config.fragLoadingMaxRetry) {\n // exponential backoff capped to config.fragLoadingMaxRetryTimeout\n let delay = Math.min(Math.pow(2, this.fragLoadError) * this.config.fragLoadingRetryDelay, this.config.fragLoadingMaxRetryTimeout);\n logger.warn(`mediaController: frag loading failed, retry in ${delay} ms`);\n this.retryDate = window.performance.now() + delay;\n // retry loading state\n // if loadedmetadata is not set, it means that we are emergency switch down on first frag\n // in that case, reset startFragRequested flag\n if (!this.loadedmetadata) {\n this.startFragRequested = false;\n this.nextLoadPosition = this.startPosition;\n }\n this.fragLoadError++;\n this.state = State.FRAG_LOADING_WAITING_RETRY;\n } else {\n logger.error(`mediaController: ${data.details} reaches max retry, redispatch as fatal ...`);\n // switch error to fatal\n data.fatal = true;\n this.state = State.ERROR;\n }\n }\n break;\n case ErrorDetails.LEVEL_LOAD_ERROR:\n case ErrorDetails.LEVEL_LOAD_TIMEOUT:\n if (this.state !== State.ERROR) {\n if (data.fatal) {\n // if fatal error, stop processing\n this.state = State.ERROR;\n logger.warn(`streamController: ${data.details},switch to ${this.state} state ...`);\n } else {\n // in case of non fatal error while loading level, if level controller is not retrying to load level , switch back to IDLE\n if (!data.levelRetry && this.state === State.WAITING_LEVEL) {\n this.state = State.IDLE;\n }\n }\n }\n break;\n case ErrorDetails.BUFFER_FULL_ERROR:\n // if in appending state\n if (data.parent === 'main' && (this.state === State.PARSING || this.state === State.PARSED)) {\n // reduce max buf len if current position is buffered\n if (mediaBuffered) {\n this._reduceMaxBufferLength(this.config.maxBufferLength);\n this.state = State.IDLE;\n } else {\n // current position is not buffered, but browser is still complaining about buffer full error\n // this happens on IE/Edge, refer to https://github.com/video-dev/hls.js/pull/708\n // in that case flush the whole buffer to recover\n logger.warn('buffer full error also media.currentTime is not buffered, flush everything');\n this.fragCurrent = null;\n // flush everything\n this.flushMainBuffer(0, Number.POSITIVE_INFINITY);\n }\n }\n break;\n default:\n break;\n }\n }\n\n _reduceMaxBufferLength (minLength) {\n let config = this.config;\n if (config.maxMaxBufferLength >= minLength) {\n // reduce max buffer length as it might be too high. we do this to avoid loop flushing ...\n config.maxMaxBufferLength /= 2;\n logger.warn(`main:reduce max buffer length to ${config.maxMaxBufferLength}s`);\n return true;\n }\n return false;\n }\n\n /**\n * Checks the health of the buffer and attempts to resolve playback stalls.\n * @private\n */\n _checkBuffer () {\n const { media } = this;\n if (!media || media.readyState === 0) {\n // Exit early if we don't have media or if the media hasn't bufferd anything yet (readyState 0)\n return;\n }\n\n const mediaBuffer = this.mediaBuffer ? this.mediaBuffer : media;\n const buffered = mediaBuffer.buffered;\n\n if (!this.loadedmetadata && buffered.length) {\n this.loadedmetadata = true;\n this._seekToStartPos();\n } else if (this.immediateSwitch) {\n this.immediateLevelSwitchEnd();\n } else {\n this.gapController.poll(this.lastCurrentTime, buffered);\n }\n }\n\n onFragLoadEmergencyAborted () {\n this.state = State.IDLE;\n // if loadedmetadata is not set, it means that we are emergency switch down on first frag\n // in that case, reset startFragRequested flag\n if (!this.loadedmetadata) {\n this.startFragRequested = false;\n this.nextLoadPosition = this.startPosition;\n }\n this.tick();\n }\n\n onBufferFlushed () {\n /* after successful buffer flushing, filter flushed fragments from bufferedFrags\n use mediaBuffered instead of media (so that we will check against video.buffered ranges in case of alt audio track)\n */\n const media = this.mediaBuffer ? this.mediaBuffer : this.media;\n if (media) {\n // filter fragments potentially evicted from buffer. this is to avoid memleak on live streams\n this.fragmentTracker.detectEvictedFragments(ElementaryStreamTypes.VIDEO, media.buffered);\n }\n // move to IDLE once flush complete. this should trigger new fragment loading\n this.state = State.IDLE;\n // reset reference to frag\n this.fragPrevious = null;\n }\n\n swapAudioCodec () {\n this.audioCodecSwap = !this.audioCodecSwap;\n }\n /**\n * Seeks to the set startPosition if not equal to the mediaElement's current time.\n * @private\n */\n _seekToStartPos () {\n const { media } = this;\n const currentTime = media.currentTime;\n // only adjust currentTime if different from startPosition or if startPosition not buffered\n // at that stage, there should be only one buffered range, as we reach that code after first fragment has been buffered\n const startPosition = media.seeking ? currentTime : this.startPosition;\n // if currentTime not matching with expected startPosition or startPosition not buffered but close to first buffered\n if (currentTime !== startPosition && startPosition >= 0) {\n // if startPosition not buffered, let's seek to buffered.start(0)\n logger.log(`target start position not buffered, seek to buffered.start(0) ${startPosition} from current time ${currentTime} `);\n media.currentTime = startPosition;\n }\n }\n\n _getAudioCodec (currentLevel) {\n let audioCodec = this.config.defaultAudioCodec || currentLevel.audioCodec;\n if (this.audioCodecSwap) {\n logger.log('swapping playlist audio codec');\n if (audioCodec) {\n if (audioCodec.indexOf('mp4a.40.5') !== -1) {\n audioCodec = 'mp4a.40.2';\n } else {\n audioCodec = 'mp4a.40.5';\n }\n }\n }\n\n return audioCodec;\n }\n\n get liveSyncPosition () {\n return this._liveSyncPosition;\n }\n\n set liveSyncPosition (value) {\n this._liveSyncPosition = value;\n }\n}\nexport default StreamController;\n","import EventHandler from './event-handler';\nimport Hls from './hls';\n\n/**\n * Sub-class specialization of EventHandler base class.\n *\n * TaskLoop allows to schedule a task function being called (optionnaly repeatedly) on the main loop,\n * scheduled asynchroneously, avoiding recursive calls in the same tick.\n *\n * The task itself is implemented in `doTick`. It can be requested and called for single execution\n * using the `tick` method.\n *\n * It will be assured that the task execution method (`tick`) only gets called once per main loop \"tick\",\n * no matter how often it gets requested for execution. Execution in further ticks will be scheduled accordingly.\n *\n * If further execution requests have already been scheduled on the next tick, it can be checked with `hasNextTick`,\n * and cancelled with `clearNextTick`.\n *\n * The task can be scheduled as an interval repeatedly with a period as parameter (see `setInterval`, `clearInterval`).\n *\n * Sub-classes need to implement the `doTick` method which will effectively have the task execution routine.\n *\n * Further explanations:\n *\n * The baseclass has a `tick` method that will schedule the doTick call. It may be called synchroneously\n * only for a stack-depth of one. On re-entrant calls, sub-sequent calls are scheduled for next main loop ticks.\n *\n * When the task execution (`tick` method) is called in re-entrant way this is detected and\n * we are limiting the task execution per call stack to exactly one, but scheduling/post-poning further\n * task processing on the next main loop iteration (also known as \"next tick\" in the Node/JS runtime lingo).\n */\n\nexport default class TaskLoop extends EventHandler {\n private readonly _boundTick: () => void;\n private _tickTimer: number | null = null;\n private _tickInterval: number | null = null;\n private _tickCallCount = 0;\n\n constructor (hls: Hls, ...events: string[]) {\n super(hls, ...events);\n this._boundTick = this.tick.bind(this);\n }\n\n /**\n * @override\n */\n protected onHandlerDestroying () {\n // clear all timers before unregistering from event bus\n this.clearNextTick();\n this.clearInterval();\n }\n\n /**\n * @returns {boolean}\n */\n public hasInterval (): boolean {\n return !!this._tickInterval;\n }\n\n /**\n * @returns {boolean}\n */\n public hasNextTick (): boolean {\n return !!this._tickTimer;\n }\n\n /**\n * @param {number} millis Interval time (ms)\n * @returns {boolean} True when interval has been scheduled, false when already scheduled (no effect)\n */\n public setInterval (millis: number): boolean {\n if (!this._tickInterval) {\n this._tickInterval = self.setInterval(this._boundTick, millis);\n return true;\n }\n return false;\n }\n\n /**\n * @returns {boolean} True when interval was cleared, false when none was set (no effect)\n */\n public clearInterval (): boolean {\n if (this._tickInterval) {\n self.clearInterval(this._tickInterval);\n this._tickInterval = null;\n return true;\n }\n return false;\n }\n\n /**\n * @returns {boolean} True when timeout was cleared, false when none was set (no effect)\n */\n public clearNextTick (): boolean {\n if (this._tickTimer) {\n self.clearTimeout(this._tickTimer);\n this._tickTimer = null;\n return true;\n }\n return false;\n }\n\n /**\n * Will call the subclass doTick implementation in this main loop tick\n * or in the next one (via setTimeout(,0)) in case it has already been called\n * in this tick (in case this is a re-entrant call).\n */\n public tick (): void {\n this._tickCallCount++;\n if (this._tickCallCount === 1) {\n this.doTick();\n // re-entrant call to tick from previous doTick call stack\n // -> schedule a call on the next main loop iteration to process this task processing request\n if (this._tickCallCount > 1) {\n // make sure only one timer exists at any time at max\n this.clearNextTick();\n this._tickTimer = self.setTimeout(this._boundTick, 0);\n }\n this._tickCallCount = 0;\n }\n }\n\n /**\n * For subclass to implement task logic\n * @abstract\n */\n protected doTick (): void {}\n}\n","/*\n * Level Controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { isCodecSupportedInMp4 } from '../utils/codecs';\nimport { addGroupId, computeReloadInterval } from './level-helper';\n\nconst { performance } = window;\nlet chromeOrFirefox;\n\nexport default class LevelController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.MANIFEST_LOADED,\n Event.LEVEL_LOADED,\n Event.AUDIO_TRACK_SWITCHED,\n Event.FRAG_LOADED,\n Event.ERROR);\n\n this.canload = false;\n this.currentLevelIndex = null;\n this.manualLevelIndex = -1;\n this.timer = null;\n\n chromeOrFirefox = /chrome|firefox/.test(navigator.userAgent.toLowerCase());\n }\n\n onHandlerDestroying () {\n this.clearTimer();\n this.manualLevelIndex = -1;\n }\n\n clearTimer () {\n if (this.timer !== null) {\n clearTimeout(this.timer);\n this.timer = null;\n }\n }\n\n startLoad () {\n let levels = this._levels;\n\n this.canload = true;\n this.levelRetryCount = 0;\n\n // clean up live level details to force reload them, and reset load errors\n if (levels) {\n levels.forEach(level => {\n level.loadError = 0;\n const levelDetails = level.details;\n if (levelDetails && levelDetails.live) {\n level.details = undefined;\n }\n });\n }\n // speed up live playlist refresh if timer exists\n if (this.timer !== null) {\n this.loadLevel();\n }\n }\n\n stopLoad () {\n this.canload = false;\n }\n\n onManifestLoaded (data) {\n let levels = [];\n let audioTracks = [];\n let bitrateStart;\n let levelSet = {};\n let levelFromSet = null;\n let videoCodecFound = false;\n let audioCodecFound = false;\n\n // regroup redundant levels together\n data.levels.forEach(level => {\n const attributes = level.attrs;\n level.loadError = 0;\n level.fragmentError = false;\n\n videoCodecFound = videoCodecFound || !!level.videoCodec;\n audioCodecFound = audioCodecFound || !!level.audioCodec;\n\n // erase audio codec info if browser does not support mp4a.40.34.\n // demuxer will autodetect codec and fallback to mpeg/audio\n if (chromeOrFirefox && level.audioCodec && level.audioCodec.indexOf('mp4a.40.34') !== -1) {\n level.audioCodec = undefined;\n }\n\n levelFromSet = levelSet[level.bitrate]; // FIXME: we would also have to match the resolution here\n\n if (!levelFromSet) {\n level.url = [level.url];\n level.urlId = 0;\n levelSet[level.bitrate] = level;\n levels.push(level);\n } else {\n levelFromSet.url.push(level.url);\n }\n\n if (attributes) {\n if (attributes.AUDIO) {\n audioCodecFound = true;\n addGroupId(levelFromSet || level, 'audio', attributes.AUDIO);\n }\n if (attributes.SUBTITLES) {\n addGroupId(levelFromSet || level, 'text', attributes.SUBTITLES);\n }\n }\n });\n\n // remove audio-only level if we also have levels with audio+video codecs signalled\n if (videoCodecFound && audioCodecFound) {\n levels = levels.filter(({ videoCodec }) => !!videoCodec);\n }\n\n // only keep levels with supported audio/video codecs\n levels = levels.filter(({ audioCodec, videoCodec }) => {\n return (!audioCodec || isCodecSupportedInMp4(audioCodec, 'audio')) && (!videoCodec || isCodecSupportedInMp4(videoCodec, 'video'));\n });\n\n if (data.audioTracks) {\n audioTracks = data.audioTracks.filter(track => !track.audioCodec || isCodecSupportedInMp4(track.audioCodec, 'audio'));\n // Reassign id's after filtering since they're used as array indices\n audioTracks.forEach((track, index) => {\n track.id = index;\n });\n }\n\n if (levels.length > 0) {\n // start bitrate is the first bitrate of the manifest\n bitrateStart = levels[0].bitrate;\n // sort level on bitrate\n levels.sort((a, b) => a.bitrate - b.bitrate);\n this._levels = levels;\n // find index of first level in sorted levels\n for (let i = 0; i < levels.length; i++) {\n if (levels[i].bitrate === bitrateStart) {\n this._firstLevel = i;\n logger.log(`manifest loaded,${levels.length} level(s) found, first bitrate:${bitrateStart}`);\n break;\n }\n }\n\n // Audio is only alternate if manifest include a URI along with the audio group tag\n this.hls.trigger(Event.MANIFEST_PARSED, {\n levels,\n audioTracks,\n firstLevel: this._firstLevel,\n stats: data.stats,\n audio: audioCodecFound,\n video: videoCodecFound,\n altAudio: audioTracks.some(t => !!t.url)\n });\n } else {\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.MANIFEST_INCOMPATIBLE_CODECS_ERROR,\n fatal: true,\n url: this.hls.url,\n reason: 'no level with compatible codecs found in manifest'\n });\n }\n }\n\n get levels () {\n return this._levels;\n }\n\n get level () {\n return this.currentLevelIndex;\n }\n\n set level (newLevel) {\n let levels = this._levels;\n if (levels) {\n newLevel = Math.min(newLevel, levels.length - 1);\n if (this.currentLevelIndex !== newLevel || !levels[newLevel].details) {\n this.setLevelInternal(newLevel);\n }\n }\n }\n\n setLevelInternal (newLevel) {\n const levels = this._levels;\n const hls = this.hls;\n // check if level idx is valid\n if (newLevel >= 0 && newLevel < levels.length) {\n // stopping live reloading timer if any\n this.clearTimer();\n if (this.currentLevelIndex !== newLevel) {\n logger.log(`switching to level ${newLevel}`);\n this.currentLevelIndex = newLevel;\n const levelProperties = levels[newLevel];\n levelProperties.level = newLevel;\n hls.trigger(Event.LEVEL_SWITCHING, levelProperties);\n }\n const level = levels[newLevel];\n const levelDetails = level.details;\n\n // check if we need to load playlist for this level\n if (!levelDetails || levelDetails.live) {\n // level not retrieved yet, or live playlist we need to (re)load it\n let urlId = level.urlId;\n hls.trigger(Event.LEVEL_LOADING, { url: level.url[urlId], level: newLevel, id: urlId });\n }\n } else {\n // invalid level id given, trigger error\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.OTHER_ERROR,\n details: ErrorDetails.LEVEL_SWITCH_ERROR,\n level: newLevel,\n fatal: false,\n reason: 'invalid level idx'\n });\n }\n }\n\n get manualLevel () {\n return this.manualLevelIndex;\n }\n\n set manualLevel (newLevel) {\n this.manualLevelIndex = newLevel;\n if (this._startLevel === undefined) {\n this._startLevel = newLevel;\n }\n\n if (newLevel !== -1) {\n this.level = newLevel;\n }\n }\n\n get firstLevel () {\n return this._firstLevel;\n }\n\n set firstLevel (newLevel) {\n this._firstLevel = newLevel;\n }\n\n get startLevel () {\n // hls.startLevel takes precedence over config.startLevel\n // if none of these values are defined, fallback on this._firstLevel (first quality level appearing in variant manifest)\n if (this._startLevel === undefined) {\n let configStartLevel = this.hls.config.startLevel;\n if (configStartLevel !== undefined) {\n return configStartLevel;\n } else {\n return this._firstLevel;\n }\n } else {\n return this._startLevel;\n }\n }\n\n set startLevel (newLevel) {\n this._startLevel = newLevel;\n }\n\n onError (data) {\n if (data.fatal) {\n if (data.type === ErrorTypes.NETWORK_ERROR) {\n this.clearTimer();\n }\n\n return;\n }\n\n let levelError = false, fragmentError = false;\n let levelIndex;\n\n // try to recover not fatal errors\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n levelIndex = data.frag.level;\n fragmentError = true;\n break;\n case ErrorDetails.LEVEL_LOAD_ERROR:\n case ErrorDetails.LEVEL_LOAD_TIMEOUT:\n levelIndex = data.context.level;\n levelError = true;\n break;\n case ErrorDetails.REMUX_ALLOC_ERROR:\n levelIndex = data.level;\n levelError = true;\n break;\n }\n\n if (levelIndex !== undefined) {\n this.recoverLevel(data, levelIndex, levelError, fragmentError);\n }\n }\n\n /**\n * Switch to a redundant stream if any available.\n * If redundant stream is not available, emergency switch down if ABR mode is enabled.\n *\n * @param {Object} errorEvent\n * @param {Number} levelIndex current level index\n * @param {Boolean} levelError\n * @param {Boolean} fragmentError\n */\n // FIXME Find a better abstraction where fragment/level retry management is well decoupled\n recoverLevel (errorEvent, levelIndex, levelError, fragmentError) {\n let { config } = this.hls;\n let { details: errorDetails } = errorEvent;\n let level = this._levels[levelIndex];\n let redundantLevels, delay, nextLevel;\n\n level.loadError++;\n level.fragmentError = fragmentError;\n\n if (levelError) {\n if ((this.levelRetryCount + 1) <= config.levelLoadingMaxRetry) {\n // exponential backoff capped to max retry timeout\n delay = Math.min(Math.pow(2, this.levelRetryCount) * config.levelLoadingRetryDelay, config.levelLoadingMaxRetryTimeout);\n // Schedule level reload\n this.timer = setTimeout(() => this.loadLevel(), delay);\n // boolean used to inform stream controller not to switch back to IDLE on non fatal error\n errorEvent.levelRetry = true;\n this.levelRetryCount++;\n logger.warn(`level controller, ${errorDetails}, retry in ${delay} ms, current retry count is ${this.levelRetryCount}`);\n } else {\n logger.error(`level controller, cannot recover from ${errorDetails} error`);\n this.currentLevelIndex = null;\n // stopping live reloading timer if any\n this.clearTimer();\n // switch error to fatal\n errorEvent.fatal = true;\n return;\n }\n }\n\n // Try any redundant streams if available for both errors: level and fragment\n // If level.loadError reaches redundantLevels it means that we tried them all, no hope => let's switch down\n if (levelError || fragmentError) {\n redundantLevels = level.url.length;\n\n if (redundantLevels > 1 && level.loadError < redundantLevels) {\n level.urlId = (level.urlId + 1) % redundantLevels;\n level.details = undefined;\n\n logger.warn(`level controller, ${errorDetails} for level ${levelIndex}: switching to redundant URL-id ${level.urlId}`);\n\n // console.log('Current audio track group ID:', this.hls.audioTracks[this.hls.audioTrack].groupId);\n // console.log('New video quality level audio group id:', level.attrs.AUDIO);\n } else {\n // Search for available level\n if (this.manualLevelIndex === -1) {\n // When lowest level has been reached, let's start hunt from the top\n nextLevel = (levelIndex === 0) ? this._levels.length - 1 : levelIndex - 1;\n logger.warn(`level controller, ${errorDetails}: switch to ${nextLevel}`);\n this.hls.nextAutoLevel = this.currentLevelIndex = nextLevel;\n } else if (fragmentError) {\n // Allow fragment retry as long as configuration allows.\n // reset this._level so that another call to set level() will trigger again a frag load\n logger.warn(`level controller, ${errorDetails}: reload a fragment`);\n this.currentLevelIndex = null;\n }\n }\n }\n }\n\n // reset errors on the successful load of a fragment\n onFragLoaded ({ frag }) {\n if (frag !== undefined && frag.type === 'main') {\n const level = this._levels[frag.level];\n if (level !== undefined) {\n level.fragmentError = false;\n level.loadError = 0;\n this.levelRetryCount = 0;\n }\n }\n }\n\n onLevelLoaded (data) {\n const { level, details } = data;\n // only process level loaded events matching with expected level\n if (level !== this.currentLevelIndex) {\n return;\n }\n\n const curLevel = this._levels[level];\n // reset level load error counter on successful level loaded only if there is no issues with fragments\n if (!curLevel.fragmentError) {\n curLevel.loadError = 0;\n this.levelRetryCount = 0;\n }\n // if current playlist is a live playlist, arm a timer to reload it\n if (details.live) {\n const reloadInterval = computeReloadInterval(curLevel.details, details, data.stats.trequest);\n logger.log(`live playlist, reload in ${Math.round(reloadInterval)} ms`);\n this.timer = setTimeout(() => this.loadLevel(), reloadInterval);\n } else {\n this.clearTimer();\n }\n }\n\n onAudioTrackSwitched (data) {\n const audioGroupId = this.hls.audioTracks[data.id].groupId;\n\n const currentLevel = this.hls.levels[this.currentLevelIndex];\n if (!currentLevel) {\n return;\n }\n\n if (currentLevel.audioGroupIds) {\n let urlId = -1;\n\n for (let i = 0; i < currentLevel.audioGroupIds.length; i++) {\n if (currentLevel.audioGroupIds[i] === audioGroupId) {\n urlId = i;\n break;\n }\n }\n\n if (urlId !== currentLevel.urlId) {\n currentLevel.urlId = urlId;\n this.startLoad();\n }\n }\n }\n\n loadLevel () {\n logger.debug('call to loadLevel');\n\n if (this.currentLevelIndex !== null && this.canload) {\n const levelObject = this._levels[this.currentLevelIndex];\n\n if (typeof levelObject === 'object' &&\n levelObject.url.length > 0) {\n const level = this.currentLevelIndex;\n const id = levelObject.urlId;\n const url = levelObject.url[id];\n\n logger.log(`Attempt loading level index ${level} with URL-id ${id}`);\n\n // console.log('Current audio track group ID:', this.hls.audioTracks[this.hls.audioTrack].groupId);\n // console.log('New video quality level audio group id:', levelObject.attrs.AUDIO, level);\n\n this.hls.trigger(Event.LEVEL_LOADING, { url, level, id });\n }\n }\n }\n\n get nextLoadLevel () {\n if (this.manualLevelIndex !== -1) {\n return this.manualLevelIndex;\n } else {\n return this.hls.nextAutoLevel;\n }\n }\n\n set nextLoadLevel (nextLevel) {\n this.level = nextLevel;\n if (this.manualLevelIndex === -1) {\n this.hls.nextAutoLevel = nextLevel;\n }\n }\n}\n","\nexport function sendAddTrackEvent (track: TextTrack, videoEl: HTMLMediaElement) {\n let event: Event;\n try {\n event = new Event('addtrack');\n } catch (err) {\n // for IE11\n event = document.createEvent('Event');\n event.initEvent('addtrack', false, false);\n }\n (event as any).track = track;\n videoEl.dispatchEvent(event);\n}\n\nexport function clearCurrentCues (track: TextTrack) {\n if (track && track.cues) {\n while (track.cues.length > 0) {\n track.removeCue(track.cues[0]);\n }\n }\n}\n\n/**\n\n * Given a list of Cues, finds the closest cue matching the given time.\n * Modified verison of binary search O(log(n)).\n *\n * @export\n * @param {(TextTrackCueList | TextTrackCue[])} cues - List of cues.\n * @param {number} time - Target time, to find closest cue to.\n * @returns {TextTrackCue}\n */\nexport function getClosestCue (cues: TextTrackCueList | TextTrackCue[], time: number): TextTrackCue {\n // If the offset is less than the first element, the first element is the closest.\n if (time < cues[0].endTime) {\n return cues[0];\n }\n // If the offset is greater than the last cue, the last is the closest.\n if (time > cues[cues.length - 1].endTime) {\n return cues[cues.length - 1];\n }\n\n let left = 0;\n let right = cues.length - 1;\n\n while (left <= right) {\n const mid = Math.floor((right + left) / 2);\n\n if (time < cues[mid].endTime) {\n right = mid - 1;\n } else if (time > cues[mid].endTime) {\n left = mid + 1;\n } else {\n // If it's not lower or higher, it must be equal.\n return cues[mid];\n }\n }\n // At this point, left and right have swapped.\n // No direct match was found, left or right element must be the closest. Check which one has the smallest diff.\n return (cues[left].endTime - time) < (time - cues[right].endTime) ? cues[left] : cues[right];\n}\n","/*\n * id3 metadata track controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport ID3 from '../demux/id3';\nimport { logger } from '../utils/logger';\nimport { sendAddTrackEvent, clearCurrentCues, getClosestCue } from '../utils/texttrack-utils';\n\nclass ID3TrackController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.FRAG_PARSING_METADATA,\n Event.LIVE_BACK_BUFFER_REACHED\n );\n\n this.id3Track = undefined;\n this.media = undefined;\n }\n\n destroy () {\n EventHandler.prototype.destroy.call(this);\n }\n\n // Add ID3 metatadata text track.\n onMediaAttached (data) {\n this.media = data.media;\n if (!this.media) {\n\n }\n }\n\n onMediaDetaching () {\n clearCurrentCues(this.id3Track);\n this.id3Track = undefined;\n this.media = undefined;\n }\n\n getID3Track (textTracks) {\n for (let i = 0; i < textTracks.length; i++) {\n let textTrack = textTracks[i];\n if (textTrack.kind === 'metadata' && textTrack.label === 'id3') {\n // send 'addtrack' when reusing the textTrack for metadata,\n // same as what we do for captions\n sendAddTrackEvent(textTrack, this.media);\n\n return textTrack;\n }\n }\n return this.media.addTextTrack('metadata', 'id3');\n }\n\n onLiveBackBufferReached ({ bufferEnd }) {\n if (!this.id3Track || !this.id3Track.cues || !this.id3Track.cues.length) {\n return;\n }\n const foundCue = getClosestCue(this.id3Track.cues, bufferEnd);\n if (!foundCue) {\n return;\n }\n\n let removeCues = true;\n while (removeCues) {\n const cue = this.id3Track.cues[0];\n if (!this.id3Track.cues.length || cue.id === foundCue.id) {\n removeCues = false;\n return;\n }\n this.id3Track.removeCue(cue);\n }\n }\n\n onFragParsingMetadata (data) {\n const fragment = data.frag;\n const samples = data.samples;\n\n // create track dynamically\n if (!this.id3Track) {\n this.id3Track = this.getID3Track(this.media.textTracks);\n this.id3Track.mode = 'hidden';\n }\n\n // Attempt to recreate Safari functionality by creating\n // WebKitDataCue objects when available and store the decoded\n // ID3 data in the value property of the cue\n let Cue = window.WebKitDataCue || window.VTTCue || window.TextTrackCue;\n\n for (let i = 0; i < samples.length; i++) {\n const frames = ID3.getID3Frames(samples[i].data);\n if (frames) {\n const startTime = samples[i].pts;\n let endTime = i < samples.length - 1 ? samples[i + 1].pts : fragment.endPTS;\n\n if (startTime === endTime) {\n // Give a slight bump to the endTime if it's equal to startTime to avoid a SyntaxError in IE\n endTime += 0.0001;\n } else if (startTime > endTime) {\n logger.warn('detected an id3 sample with endTime < startTime, adjusting endTime to (startTime + 0.25)');\n endTime = startTime + 0.25;\n }\n\n for (let j = 0; j < frames.length; j++) {\n const frame = frames[j];\n // Safari doesn't put the timestamp frame in the TextTrack\n if (!ID3.isTimeStampFrame(frame)) {\n const cue = new Cue(startTime, endTime, '');\n cue.value = frame;\n this.id3Track.addCue(cue);\n }\n }\n }\n }\n }\n\n onLiveBackBufferReached ({ bufferEnd }) {\n const { id3Track } = this;\n if (!id3Track || !id3Track.cues || !id3Track.cues.length) {\n return;\n }\n const foundCue = getClosestCue(id3Track.cues, bufferEnd);\n if (!foundCue) {\n return;\n }\n while (id3Track.cues[0] !== foundCue) {\n id3Track.removeCue(id3Track.cues[0]);\n }\n }\n}\n\nexport default ID3TrackController;\n","/*\n * compute an Exponential Weighted moving average\n * - https://en.wikipedia.org/wiki/Moving_average#Exponential_moving_average\n * - heavily inspired from shaka-player\n */\n\nclass EWMA {\n private alpha_: number;\n private estimate_: number;\n private totalWeight_: number;\n\n // About half of the estimated value will be from the last |halfLife| samples by weight.\n constructor (halfLife: number) {\n // Larger values of alpha expire historical data more slowly.\n this.alpha_ = halfLife ? Math.exp(Math.log(0.5) / halfLife) : 0;\n this.estimate_ = 0;\n this.totalWeight_ = 0;\n }\n\n sample (weight: number, value: number) {\n let adjAlpha = Math.pow(this.alpha_, weight);\n this.estimate_ = value * (1 - adjAlpha) + adjAlpha * this.estimate_;\n this.totalWeight_ += weight;\n }\n\n getTotalWeight (): number {\n return this.totalWeight_;\n }\n\n getEstimate (): number {\n if (this.alpha_) {\n let zeroFactor = 1 - Math.pow(this.alpha_, this.totalWeight_);\n return this.estimate_ / zeroFactor;\n } else {\n return this.estimate_;\n }\n }\n}\n\nexport default EWMA;\n","/*\n * EWMA Bandwidth Estimator\n * - heavily inspired from shaka-player\n * Tracks bandwidth samples and estimates available bandwidth.\n * Based on the minimum of two exponentially-weighted moving averages with\n * different half-lives.\n */\n\nimport EWMA from '../utils/ewma';\n\nclass EwmaBandWidthEstimator {\n hls: any;\n\n private defaultEstimate_: number;\n private minWeight_: number;\n private minDelayMs_: number;\n private slow_: EWMA;\n private fast_: EWMA;\n\n // TODO(typescript-hls)\n constructor (hls: any, slow: number, fast: number, defaultEstimate: number) {\n this.hls = hls;\n this.defaultEstimate_ = defaultEstimate;\n this.minWeight_ = 0.001;\n this.minDelayMs_ = 50;\n this.slow_ = new EWMA(slow);\n this.fast_ = new EWMA(fast);\n }\n\n sample (durationMs: number, numBytes: number) {\n durationMs = Math.max(durationMs, this.minDelayMs_);\n let numBits = 8 * numBytes,\n // weight is duration in seconds\n durationS = durationMs / 1000,\n // value is bandwidth in bits/s\n bandwidthInBps = numBits / durationS;\n this.fast_.sample(durationS, bandwidthInBps);\n this.slow_.sample(durationS, bandwidthInBps);\n }\n\n canEstimate (): boolean {\n let fast = this.fast_;\n return (fast && fast.getTotalWeight() >= this.minWeight_);\n }\n\n getEstimate (): number {\n if (this.canEstimate()) {\n // console.log('slow estimate:'+ Math.round(this.slow_.getEstimate()));\n // console.log('fast estimate:'+ Math.round(this.fast_.getEstimate()));\n // Take the minimum of these two estimates. This should have the effect of\n // adapting down quickly, but up more slowly.\n return Math.min(this.fast_.getEstimate(), this.slow_.getEstimate());\n } else {\n return this.defaultEstimate_;\n }\n }\n\n destroy () {\n }\n}\nexport default EwmaBandWidthEstimator;\n","/*\n * simple ABR Controller\n * - compute next level based on last fragment bw heuristics\n * - implement an abandon rules triggered if we have less than 2 frag buffered and if computed bw shows that we risk buffer stalling\n */\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport { ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport EwmaBandWidthEstimator from '../utils/ewma-bandwidth-estimator';\n\nconst { performance } = window;\n\nclass AbrController extends EventHandler {\n constructor (hls) {\n super(hls, Event.FRAG_LOADING,\n Event.FRAG_LOADED,\n Event.FRAG_BUFFERED,\n Event.ERROR);\n this.lastLoadedFragLevel = 0;\n this._nextAutoLevel = -1;\n this.hls = hls;\n this.timer = null;\n this._bwEstimator = null;\n this.onCheck = this._abandonRulesCheck.bind(this);\n }\n\n destroy () {\n this.clearTimer();\n EventHandler.prototype.destroy.call(this);\n }\n\n onFragLoading (data) {\n const frag = data.frag;\n if (frag.type === 'main') {\n if (!this.timer) {\n this.fragCurrent = frag;\n this.timer = setInterval(this.onCheck, 100);\n }\n\n // lazy init of BwEstimator, rationale is that we use different params for Live/VoD\n // so we need to wait for stream manifest / playlist type to instantiate it.\n if (!this._bwEstimator) {\n const hls = this.hls;\n const config = hls.config;\n const level = frag.level;\n const isLive = hls.levels[level].details.live;\n\n let ewmaFast;\n let ewmaSlow;\n if (isLive) {\n ewmaFast = config.abrEwmaFastLive;\n ewmaSlow = config.abrEwmaSlowLive;\n } else {\n ewmaFast = config.abrEwmaFastVoD;\n ewmaSlow = config.abrEwmaSlowVoD;\n }\n this._bwEstimator = new EwmaBandWidthEstimator(hls, ewmaSlow, ewmaFast, config.abrEwmaDefaultEstimate);\n }\n }\n }\n\n _abandonRulesCheck () {\n /*\n monitor fragment retrieval time...\n we compute expected time of arrival of the complete fragment.\n we compare it to expected time of buffer starvation\n */\n const hls = this.hls;\n const video = hls.media;\n const frag = this.fragCurrent;\n\n if (!frag) {\n return;\n }\n\n const loader = frag.loader;\n const minAutoLevel = hls.minAutoLevel;\n\n // if loader has been destroyed or loading has been aborted, stop timer and return\n if (!loader || (loader.stats && loader.stats.aborted)) {\n logger.warn('frag loader destroy or aborted, disarm abandonRules');\n this.clearTimer();\n // reset forced auto level value so that next level will be selected\n this._nextAutoLevel = -1;\n return;\n }\n let stats = loader.stats;\n /* only monitor frag retrieval time if\n (video not paused OR first fragment being loaded(ready state === HAVE_NOTHING = 0)) AND autoswitching enabled AND not lowest level (=> means that we have several levels) */\n if (video && stats && ((!video.paused && (video.playbackRate !== 0)) || !video.readyState) && frag.autoLevel && frag.level) {\n const requestDelay = performance.now() - stats.trequest;\n const playbackRate = Math.abs(video.playbackRate);\n\n // monitor fragment load progress after half of expected fragment duration,to stabilize bitrate\n if (requestDelay > (500 * frag.duration / playbackRate)) {\n const levels = hls.levels;\n const loadRate = Math.max(1, stats.bw ? stats.bw / 8 : stats.loaded * 1000 / requestDelay); // byte/s; at least 1 byte/s to avoid division by zero\n\n // compute expected fragment length using frag duration and level bitrate. also ensure that expected len is gte than already loaded size\n const level = levels[frag.level];\n const levelBitrate = level.realBitrate ? Math.max(level.realBitrate, level.bitrate) : level.bitrate;\n const expectedLen = stats.total ? stats.total : Math.max(stats.loaded, Math.round(frag.duration * levelBitrate / 8));\n const pos = video.currentTime;\n const fragLoadedDelay = (expectedLen - stats.loaded) / loadRate;\n const bufferStarvationDelay = (BufferHelper.bufferInfo(video, pos, hls.config.maxBufferHole).end - pos) / playbackRate;\n\n // consider emergency switch down only if we have less than 2 frag buffered AND\n // time to finish loading current fragment is bigger than buffer starvation delay\n // ie if we risk buffer starvation if bw does not increase quickly\n if ((bufferStarvationDelay < (2 * frag.duration / playbackRate)) && (fragLoadedDelay > bufferStarvationDelay)) {\n let fragLevelNextLoadedDelay;\n let nextLoadLevel;\n // lets iterate through lower level and try to find the biggest one that could avoid rebuffering\n // we start from current level - 1 and we step down , until we find a matching level\n for (nextLoadLevel = frag.level - 1; nextLoadLevel > minAutoLevel; nextLoadLevel--) {\n // compute time to load next fragment at lower level\n // 0.8 : consider only 80% of current bw to be conservative\n // 8 = bits per byte (bps/Bps)\n const levelNextBitrate = levels[nextLoadLevel].realBitrate\n ? Math.max(levels[nextLoadLevel].realBitrate, levels[nextLoadLevel].bitrate)\n : levels[nextLoadLevel].bitrate;\n\n const fragLevelNextLoadedDelay = frag.duration * levelNextBitrate / (8 * 0.8 * loadRate);\n\n if (fragLevelNextLoadedDelay < bufferStarvationDelay) {\n // we found a lower level that be rebuffering free with current estimated bw !\n break;\n }\n }\n // only emergency switch down if it takes less time to load new fragment at lowest level instead\n // of finishing loading current one ...\n if (fragLevelNextLoadedDelay < fragLoadedDelay) {\n logger.warn(`loading too slow, abort fragment loading and switch to level ${nextLoadLevel}:fragLoadedDelay[${nextLoadLevel}]<fragLoadedDelay[${frag.level - 1}];bufferStarvationDelay:${fragLevelNextLoadedDelay.toFixed(1)}<${fragLoadedDelay.toFixed(1)}:${bufferStarvationDelay.toFixed(1)}`);\n // force next load level in auto mode\n hls.nextLoadLevel = nextLoadLevel;\n // update bw estimate for this fragment before cancelling load (this will help reducing the bw)\n this._bwEstimator.sample(requestDelay, stats.loaded);\n // abort fragment loading\n loader.abort();\n // stop abandon rules timer\n this.clearTimer();\n hls.trigger(Event.FRAG_LOAD_EMERGENCY_ABORTED, { frag: frag, stats: stats });\n }\n }\n }\n }\n }\n\n onFragLoaded (data) {\n const frag = data.frag;\n if (frag.type === 'main' && Number.isFinite(frag.sn)) {\n // stop monitoring bw once frag loaded\n this.clearTimer();\n // store level id after successful fragment load\n this.lastLoadedFragLevel = frag.level;\n // reset forced auto level value so that next level will be selected\n this._nextAutoLevel = -1;\n\n // compute level average bitrate\n if (this.hls.config.abrMaxWithRealBitrate) {\n const level = this.hls.levels[frag.level];\n let loadedBytes = (level.loaded ? level.loaded.bytes : 0) + data.stats.loaded;\n let loadedDuration = (level.loaded ? level.loaded.duration : 0) + data.frag.duration;\n level.loaded = { bytes: loadedBytes, duration: loadedDuration };\n level.realBitrate = Math.round(8 * loadedBytes / loadedDuration);\n }\n // if fragment has been loaded to perform a bitrate test,\n if (data.frag.bitrateTest) {\n let stats = data.stats;\n stats.tparsed = stats.tbuffered = stats.tload;\n this.onFragBuffered(data);\n }\n }\n }\n\n onFragBuffered (data) {\n const stats = data.stats;\n const frag = data.frag;\n // only update stats on first frag buffering\n // if same frag is loaded multiple times, it might be in browser cache, and loaded quickly\n // and leading to wrong bw estimation\n // on bitrate test, also only update stats once (if tload = tbuffered == on FRAG_LOADED)\n if (stats.aborted !== true && frag.type === 'main' && Number.isFinite(frag.sn) && ((!frag.bitrateTest || stats.tload === stats.tbuffered))) {\n // use tparsed-trequest instead of tbuffered-trequest to compute fragLoadingProcessing; rationale is that buffer appending only happens once media is attached\n // in case we use config.startFragPrefetch while media is not attached yet, fragment might be parsed while media not attached yet, but it will only be buffered on media attached\n // as a consequence it could happen really late in the process. meaning that appending duration might appears huge ... leading to underestimated throughput estimation\n let fragLoadingProcessingMs = stats.tparsed - stats.trequest;\n logger.log(`latency/loading/parsing/append/kbps:${Math.round(stats.tfirst - stats.trequest)}/${Math.round(stats.tload - stats.tfirst)}/${Math.round(stats.tparsed - stats.tload)}/${Math.round(stats.tbuffered - stats.tparsed)}/${Math.round(8 * stats.loaded / (stats.tbuffered - stats.trequest))}`);\n this._bwEstimator.sample(fragLoadingProcessingMs, stats.loaded);\n stats.bwEstimate = this._bwEstimator.getEstimate();\n // if fragment has been loaded to perform a bitrate test, (hls.startLevel = -1), store bitrate test delay duration\n if (frag.bitrateTest) {\n this.bitrateTestDelay = fragLoadingProcessingMs / 1000;\n } else {\n this.bitrateTestDelay = 0;\n }\n }\n }\n\n onError (data) {\n // stop timer in case of frag loading error\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n this.clearTimer();\n break;\n default:\n break;\n }\n }\n\n clearTimer () {\n clearInterval(this.timer);\n this.timer = null;\n }\n\n // return next auto level\n get nextAutoLevel () {\n const forcedAutoLevel = this._nextAutoLevel;\n const bwEstimator = this._bwEstimator;\n // in case next auto level has been forced, and bw not available or not reliable, return forced value\n if (forcedAutoLevel !== -1 && (!bwEstimator || !bwEstimator.canEstimate())) {\n return forcedAutoLevel;\n }\n\n // compute next level using ABR logic\n let nextABRAutoLevel = this._nextABRAutoLevel;\n // if forced auto level has been defined, use it to cap ABR computed quality level\n if (forcedAutoLevel !== -1) {\n nextABRAutoLevel = Math.min(forcedAutoLevel, nextABRAutoLevel);\n }\n\n return nextABRAutoLevel;\n }\n get _nextABRAutoLevel () {\n let hls = this.hls;\n const { maxAutoLevel, levels, config, minAutoLevel } = hls;\n const video = hls.media;\n const currentLevel = this.lastLoadedFragLevel;\n const currentFragDuration = this.fragCurrent ? this.fragCurrent.duration : 0;\n const pos = (video ? video.currentTime : 0);\n\n // playbackRate is the absolute value of the playback rate; if video.playbackRate is 0, we use 1 to load as\n // if we're playing back at the normal rate.\n const playbackRate = ((video && (video.playbackRate !== 0)) ? Math.abs(video.playbackRate) : 1.0);\n const avgbw = this._bwEstimator ? this._bwEstimator.getEstimate() : config.abrEwmaDefaultEstimate;\n // bufferStarvationDelay is the wall-clock time left until the playback buffer is exhausted.\n const bufferStarvationDelay = (BufferHelper.bufferInfo(video, pos, config.maxBufferHole).end - pos) / playbackRate;\n\n // First, look to see if we can find a level matching with our avg bandwidth AND that could also guarantee no rebuffering at all\n let bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay, config.abrBandWidthFactor, config.abrBandWidthUpFactor, levels);\n if (bestLevel >= 0) {\n return bestLevel;\n } else {\n logger.trace('rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering');\n // not possible to get rid of rebuffering ... let's try to find level that will guarantee less than maxStarvationDelay of rebuffering\n // if no matching level found, logic will return 0\n let maxStarvationDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxStarvationDelay) : config.maxStarvationDelay;\n let bwFactor = config.abrBandWidthFactor;\n let bwUpFactor = config.abrBandWidthUpFactor;\n\n if (bufferStarvationDelay === 0) {\n // in case buffer is empty, let's check if previous fragment was loaded to perform a bitrate test\n let bitrateTestDelay = this.bitrateTestDelay;\n if (bitrateTestDelay) {\n // if it is the case, then we need to adjust our max starvation delay using maxLoadingDelay config value\n // max video loading delay used in automatic start level selection :\n // in that mode ABR controller will ensure that video loading time (ie the time to fetch the first fragment at lowest quality level +\n // the time to fetch the fragment at the appropriate quality level is less than ```maxLoadingDelay``` )\n // cap maxLoadingDelay and ensure it is not bigger 'than bitrate test' frag duration\n const maxLoadingDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxLoadingDelay) : config.maxLoadingDelay;\n maxStarvationDelay = maxLoadingDelay - bitrateTestDelay;\n logger.trace(`bitrate test took ${Math.round(1000 * bitrateTestDelay)}ms, set first fragment max fetchDuration to ${Math.round(1000 * maxStarvationDelay)} ms`);\n // don't use conservative factor on bitrate test\n bwFactor = bwUpFactor = 1;\n }\n }\n bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay + maxStarvationDelay, bwFactor, bwUpFactor, levels);\n return Math.max(bestLevel, 0);\n }\n }\n\n _findBestLevel (currentLevel, currentFragDuration, currentBw, minAutoLevel, maxAutoLevel, maxFetchDuration, bwFactor, bwUpFactor, levels) {\n for (let i = maxAutoLevel; i >= minAutoLevel; i--) {\n let levelInfo = levels[i];\n\n if (!levelInfo) {\n continue;\n }\n\n const levelDetails = levelInfo.details;\n const avgDuration = levelDetails ? levelDetails.totalduration / levelDetails.fragments.length : currentFragDuration;\n const live = levelDetails ? levelDetails.live : false;\n\n let adjustedbw;\n // follow algorithm captured from stagefright :\n // https://android.googlesource.com/platform/frameworks/av/+/master/media/libstagefright/httplive/LiveSession.cpp\n // Pick the highest bandwidth stream below or equal to estimated bandwidth.\n // consider only 80% of the available bandwidth, but if we are switching up,\n // be even more conservative (70%) to avoid overestimating and immediately\n // switching back.\n if (i <= currentLevel) {\n adjustedbw = bwFactor * currentBw;\n } else {\n adjustedbw = bwUpFactor * currentBw;\n }\n\n const bitrate = levels[i].realBitrate ? Math.max(levels[i].realBitrate, levels[i].bitrate) : levels[i].bitrate;\n const fetchDuration = bitrate * avgDuration / adjustedbw;\n\n logger.trace(`level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: ${i}/${Math.round(adjustedbw)}/${bitrate}/${avgDuration}/${maxFetchDuration}/${fetchDuration}`);\n // if adjusted bw is greater than level bitrate AND\n if (adjustedbw > bitrate &&\n // fragment fetchDuration unknown OR live stream OR fragment fetchDuration less than max allowed fetch duration, then this level matches\n // we don't account for max Fetch Duration for live streams, this is to avoid switching down when near the edge of live sliding window ...\n // special case to support startLevel = -1 (bitrateTest) on live streams : in that case we should not exit loop so that _findBestLevel will return -1\n (!fetchDuration || (live && !this.bitrateTestDelay) || fetchDuration < maxFetchDuration)) {\n // as we are looping from highest to lowest, this will return the best achievable quality level\n return i;\n }\n }\n // not enough time budget even with quality level 0 ... rebuffering might happen\n return -1;\n }\n\n set nextAutoLevel (nextLevel) {\n this._nextAutoLevel = nextLevel;\n }\n}\n\nexport default AbrController;\n","/*\n * Buffer Controller\n */\n\nimport Events from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { getMediaSource } from '../utils/mediasource-helper';\n\nimport { TrackSet } from '../types/track';\nimport { Segment } from '../types/segment';\nimport { BufferControllerConfig } from '../config';\n\n// Add extension properties to SourceBuffers from the DOM API.\ntype ExtendedSourceBuffer = SourceBuffer & {\n ended?: boolean\n};\n\ntype SourceBufferName = 'video' | 'audio';\ntype SourceBuffers = Partial<Record<SourceBufferName, ExtendedSourceBuffer>>;\n\ninterface SourceBufferFlushRange {\n start: number;\n end: number;\n type: SourceBufferName\n}\n\nconst MediaSource = getMediaSource();\n\nclass BufferController extends EventHandler {\n // the value that we have set mediasource.duration to\n // (the actual duration may be tweaked slighly by the browser)\n private _msDuration: number | null = null;\n // the value that we want to set mediaSource.duration to\n private _levelDuration: number | null = null;\n // the target duration of the current media playlist\n private _levelTargetDuration: number = 10;\n // current stream state: true - for live broadcast, false - for VoD content\n private _live: boolean | null = null;\n // cache the self generated object url to detect hijack of video tag\n private _objectUrl: string | null = null;\n\n // signals that the sourceBuffers need to be flushed\n private _needsFlush: boolean = false;\n\n // signals that mediaSource should have endOfStream called\n private _needsEos: boolean = false;\n\n private config: BufferControllerConfig;\n\n // this is optional because this property is removed from the class sometimes\n public audioTimestampOffset?: number;\n\n // The number of BUFFER_CODEC events received before any sourceBuffers are created\n public bufferCodecEventsExpected: number = 0;\n\n // The total number of BUFFER_CODEC events received\n private _bufferCodecEventsTotal: number = 0;\n\n // A reference to the attached media element\n public media: HTMLMediaElement | null = null;\n\n // A reference to the active media source\n public mediaSource: MediaSource | null = null;\n\n // List of pending segments to be appended to source buffer\n public segments: Segment[] = [];\n\n public parent?: string;\n\n // A guard to see if we are currently appending to the source buffer\n public appending: boolean = false;\n\n // counters\n public appended: number = 0;\n public appendError: number = 0;\n public flushBufferCounter: number = 0;\n\n public tracks: TrackSet = {};\n public pendingTracks: TrackSet = {};\n public sourceBuffer: SourceBuffers = {};\n public flushRange: SourceBufferFlushRange[] = [];\n\n constructor (hls: any) {\n super(hls,\n Events.MEDIA_ATTACHING,\n Events.MEDIA_DETACHING,\n Events.MANIFEST_PARSED,\n Events.BUFFER_RESET,\n Events.BUFFER_APPENDING,\n Events.BUFFER_CODECS,\n Events.BUFFER_EOS,\n Events.BUFFER_FLUSHING,\n Events.LEVEL_PTS_UPDATED,\n Events.LEVEL_UPDATED);\n\n this.config = hls.config;\n }\n\n destroy () {\n EventHandler.prototype.destroy.call(this);\n }\n\n onLevelPtsUpdated (data: { type: SourceBufferName, start: number }) {\n let type = data.type;\n let audioTrack = this.tracks.audio;\n\n // Adjusting `SourceBuffer.timestampOffset` (desired point in the timeline where the next frames should be appended)\n // in Chrome browser when we detect MPEG audio container and time delta between level PTS and `SourceBuffer.timestampOffset`\n // is greater than 100ms (this is enough to handle seek for VOD or level change for LIVE videos). At the time of change we issue\n // `SourceBuffer.abort()` and adjusting `SourceBuffer.timestampOffset` if `SourceBuffer.updating` is false or awaiting `updateend`\n // event if SB is in updating state.\n // More info here: https://github.com/video-dev/hls.js/issues/332#issuecomment-257986486\n\n if (type === 'audio' && audioTrack && audioTrack.container === 'audio/mpeg') { // Chrome audio mp3 track\n let audioBuffer = this.sourceBuffer.audio;\n if (!audioBuffer) {\n throw Error('Level PTS Updated and source buffer for audio uninitalized');\n }\n\n let delta = Math.abs(audioBuffer.timestampOffset - data.start);\n\n // adjust timestamp offset if time delta is greater than 100ms\n if (delta > 0.1) {\n let updating = audioBuffer.updating;\n\n try {\n audioBuffer.abort();\n } catch (err) {\n logger.warn('can not abort audio buffer: ' + err);\n }\n\n if (!updating) {\n logger.warn('change mpeg audio timestamp offset from ' + audioBuffer.timestampOffset + ' to ' + data.start);\n audioBuffer.timestampOffset = data.start;\n } else {\n this.audioTimestampOffset = data.start;\n }\n }\n }\n }\n\n onManifestParsed (data: { altAudio: boolean }) {\n // in case of alt audio 2 BUFFER_CODECS events will be triggered, one per stream controller\n // sourcebuffers will be created all at once when the expected nb of tracks will be reached\n // in case alt audio is not used, only one BUFFER_CODEC event will be fired from main stream controller\n // it will contain the expected nb of source buffers, no need to compute it\n this.bufferCodecEventsExpected = this._bufferCodecEventsTotal = data.altAudio ? 2 : 1;\n logger.log(`${this.bufferCodecEventsExpected} bufferCodec event(s) expected`);\n }\n\n onMediaAttaching (data: { media: HTMLMediaElement }) {\n let media = this.media = data.media;\n if (media && MediaSource) {\n // setup the media source\n let ms = this.mediaSource = new MediaSource();\n // Media Source listeners\n ms.addEventListener('sourceopen', this._onMediaSourceOpen);\n ms.addEventListener('sourceended', this._onMediaSourceEnded);\n ms.addEventListener('sourceclose', this._onMediaSourceClose);\n // link video and media Source\n media.src = window.URL.createObjectURL(ms);\n // cache the locally generated object url\n this._objectUrl = media.src;\n }\n }\n\n onMediaDetaching () {\n logger.log('media source detaching');\n let ms = this.mediaSource;\n if (ms) {\n if (ms.readyState === 'open') {\n try {\n // endOfStream could trigger exception if any sourcebuffer is in updating state\n // we don't really care about checking sourcebuffer state here,\n // as we are anyway detaching the MediaSource\n // let's just avoid this exception to propagate\n ms.endOfStream();\n } catch (err) {\n logger.warn(`onMediaDetaching:${err.message} while calling endOfStream`);\n }\n }\n ms.removeEventListener('sourceopen', this._onMediaSourceOpen);\n ms.removeEventListener('sourceended', this._onMediaSourceEnded);\n ms.removeEventListener('sourceclose', this._onMediaSourceClose);\n\n // Detach properly the MediaSource from the HTMLMediaElement as\n // suggested in https://github.com/w3c/media-source/issues/53.\n if (this.media) {\n if (this._objectUrl) {\n window.URL.revokeObjectURL(this._objectUrl);\n }\n\n // clean up video tag src only if it's our own url. some external libraries might\n // hijack the video tag and change its 'src' without destroying the Hls instance first\n if (this.media.src === this._objectUrl) {\n this.media.removeAttribute('src');\n this.media.load();\n } else {\n logger.warn('media.src was changed by a third party - skip cleanup');\n }\n }\n\n this.mediaSource = null;\n this.media = null;\n this._objectUrl = null;\n this.bufferCodecEventsExpected = this._bufferCodecEventsTotal;\n this.pendingTracks = {};\n this.tracks = {};\n this.sourceBuffer = {};\n this.flushRange = [];\n this.segments = [];\n this.appended = 0;\n }\n\n this.hls.trigger(Events.MEDIA_DETACHED);\n }\n\n checkPendingTracks () {\n let { bufferCodecEventsExpected, pendingTracks } = this;\n\n // Check if we've received all of the expected bufferCodec events. When none remain, create all the sourceBuffers at once.\n // This is important because the MSE spec allows implementations to throw QuotaExceededErrors if creating new sourceBuffers after\n // data has been appended to existing ones.\n // 2 tracks is the max (one for audio, one for video). If we've reach this max go ahead and create the buffers.\n const pendingTracksCount = Object.keys(pendingTracks).length;\n if ((pendingTracksCount && !bufferCodecEventsExpected) || pendingTracksCount === 2) {\n // ok, let's create them now !\n this.createSourceBuffers(pendingTracks);\n this.pendingTracks = {};\n // append any pending segments now !\n this.doAppending();\n }\n }\n\n private _onMediaSourceOpen = () => {\n logger.log('media source opened');\n this.hls.trigger(Events.MEDIA_ATTACHED, { media: this.media });\n let mediaSource = this.mediaSource;\n if (mediaSource) {\n // once received, don't listen anymore to sourceopen event\n mediaSource.removeEventListener('sourceopen', this._onMediaSourceOpen);\n }\n this.checkPendingTracks();\n }\n\n private _onMediaSourceClose = () => {\n logger.log('media source closed');\n }\n\n private _onMediaSourceEnded = () => {\n logger.log('media source ended');\n }\n\n private _onSBUpdateEnd = () => {\n // update timestampOffset\n if (this.audioTimestampOffset && this.sourceBuffer.audio) {\n let audioBuffer = this.sourceBuffer.audio;\n\n logger.warn(`change mpeg audio timestamp offset from ${audioBuffer.timestampOffset} to ${this.audioTimestampOffset}`);\n audioBuffer.timestampOffset = this.audioTimestampOffset;\n delete this.audioTimestampOffset;\n }\n\n if (this._needsFlush) {\n this.doFlush();\n }\n\n if (this._needsEos) {\n this.checkEos();\n }\n\n this.appending = false;\n let parent = this.parent;\n // count nb of pending segments waiting for appending on this sourcebuffer\n let pending = this.segments.reduce((counter, segment) => (segment.parent === parent) ? counter + 1 : counter, 0);\n\n // this.sourceBuffer is better to use than media.buffered as it is closer to the PTS data from the fragments\n const timeRanges: Partial<Record<SourceBufferName, TimeRanges>> = {};\n const sbSet = this.sourceBuffer;\n for (let streamType in sbSet) {\n const sb = sbSet[streamType as SourceBufferName];\n if (!sb) {\n throw Error(`handling source buffer update end error: source buffer for ${streamType} uninitilized and unable to update buffered TimeRanges.`);\n }\n timeRanges[streamType as SourceBufferName] = sb.buffered;\n }\n\n this.hls.trigger(Events.BUFFER_APPENDED, { parent, pending, timeRanges });\n // don't append in flushing mode\n if (!this._needsFlush) {\n this.doAppending();\n }\n\n this.updateMediaElementDuration();\n\n // appending goes first\n if (pending === 0) {\n this.flushLiveBackBuffer();\n }\n }\n\n private _onSBUpdateError = (event: Event) => {\n logger.error('sourceBuffer error:', event);\n // according to http://www.w3.org/TR/media-source/#sourcebuffer-append-error\n // this error might not always be fatal (it is fatal if decode error is set, in that case\n // it will be followed by a mediaElement error ...)\n this.hls.trigger(Events.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_APPENDING_ERROR, fatal: false });\n // we don't need to do more than that, as accordin to the spec, updateend will be fired just after\n }\n\n onBufferReset () {\n const sourceBuffer = this.sourceBuffer;\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type];\n try {\n if (sb) {\n if (this.mediaSource) {\n this.mediaSource.removeSourceBuffer(sb);\n }\n sb.removeEventListener('updateend', this._onSBUpdateEnd);\n sb.removeEventListener('error', this._onSBUpdateError);\n }\n } catch (err) {\n }\n }\n this.sourceBuffer = {};\n this.flushRange = [];\n this.segments = [];\n this.appended = 0;\n }\n\n onBufferCodecs (tracks: TrackSet) {\n // if source buffer(s) not created yet, appended buffer tracks in this.pendingTracks\n // if sourcebuffers already created, do nothing ...\n if (Object.keys(this.sourceBuffer).length) {\n return;\n }\n\n Object.keys(tracks).forEach(trackName => {\n this.pendingTracks[trackName] = tracks[trackName];\n });\n\n this.bufferCodecEventsExpected = Math.max(this.bufferCodecEventsExpected - 1, 0);\n if (this.mediaSource && this.mediaSource.readyState === 'open') {\n this.checkPendingTracks();\n }\n }\n\n createSourceBuffers (tracks: TrackSet) {\n const { sourceBuffer, mediaSource } = this;\n if (!mediaSource) {\n throw Error('createSourceBuffers called when mediaSource was null');\n }\n\n for (let trackName in tracks) {\n if (!sourceBuffer[trackName]) {\n let track = tracks[trackName as keyof TrackSet];\n if (!track) {\n throw Error(`source buffer exists for track ${trackName}, however track does not`);\n }\n // use levelCodec as first priority\n let codec = track.levelCodec || track.codec;\n let mimeType = `${track.container};codecs=${codec}`;\n logger.log(`creating sourceBuffer(${mimeType})`);\n try {\n let sb = sourceBuffer[trackName] = mediaSource.addSourceBuffer(mimeType);\n sb.addEventListener('updateend', this._onSBUpdateEnd);\n sb.addEventListener('error', this._onSBUpdateError);\n this.tracks[trackName] = {\n buffer: sb,\n codec: codec,\n id: track.id,\n container: track.container,\n levelCodec: track.levelCodec\n };\n } catch (err) {\n logger.error(`error while trying to add sourceBuffer:${err.message}`);\n this.hls.trigger(Events.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_ADD_CODEC_ERROR, fatal: false, err: err, mimeType: mimeType });\n }\n }\n }\n this.hls.trigger(Events.BUFFER_CREATED, { tracks: this.tracks });\n }\n\n onBufferAppending (data: Segment) {\n if (!this._needsFlush) {\n if (!this.segments) {\n this.segments = [ data ];\n } else {\n this.segments.push(data);\n }\n\n this.doAppending();\n }\n }\n\n // on BUFFER_EOS mark matching sourcebuffer(s) as ended and trigger checkEos()\n // an undefined data.type will mark all buffers as EOS.\n onBufferEos (data: { type?: SourceBufferName }) {\n for (const type in this.sourceBuffer) {\n if (!data.type || data.type === type) {\n const sb = this.sourceBuffer[type as SourceBufferName];\n if (sb && !sb.ended) {\n sb.ended = true;\n logger.log(`${type} sourceBuffer now EOS`);\n }\n }\n }\n\n this.checkEos();\n }\n\n // if all source buffers are marked as ended, signal endOfStream() to MediaSource.\n checkEos () {\n const { sourceBuffer, mediaSource } = this;\n if (!mediaSource || mediaSource.readyState !== 'open') {\n this._needsEos = false;\n return;\n }\n\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type as SourceBufferName];\n if (!sb) continue;\n\n if (!sb.ended) {\n return;\n }\n\n if (sb.updating) {\n this._needsEos = true;\n return;\n }\n }\n\n logger.log('all media data are available, signal endOfStream() to MediaSource and stop loading fragment');\n // Notify the media element that it now has all of the media data\n try {\n mediaSource.endOfStream();\n } catch (e) {\n logger.warn('exception while calling mediaSource.endOfStream()');\n }\n this._needsEos = false;\n }\n\n onBufferFlushing (data: { startOffset: number, endOffset: number, type?: SourceBufferName }) {\n if (data.type) {\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: data.type });\n } else {\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: 'video' });\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: 'audio' });\n }\n\n // attempt flush immediately\n this.flushBufferCounter = 0;\n this.doFlush();\n }\n\n flushLiveBackBuffer () {\n // clear back buffer for live only\n if (!this._live) {\n return;\n }\n\n const liveBackBufferLength = this.config.liveBackBufferLength;\n if (!isFinite(liveBackBufferLength) || liveBackBufferLength < 0) {\n return;\n }\n\n if (!this.media) {\n logger.error('flushLiveBackBuffer called without attaching media');\n return;\n }\n\n const currentTime = this.media.currentTime;\n const sourceBuffer = this.sourceBuffer;\n const bufferTypes = Object.keys(sourceBuffer);\n const targetBackBufferPosition = currentTime - Math.max(liveBackBufferLength, this._levelTargetDuration);\n\n for (let index = bufferTypes.length - 1; index >= 0; index--) {\n const bufferType = bufferTypes[index];\n const sb = sourceBuffer[bufferType as SourceBufferName];\n if (sb) {\n const buffered = sb.buffered;\n // when target buffer start exceeds actual buffer start\n if (buffered.length > 0 && targetBackBufferPosition > buffered.start(0)) {\n // remove buffer up until current time minus minimum back buffer length (removing buffer too close to current\n // time will lead to playback freezing)\n // credits for level target duration - https://github.com/videojs/http-streaming/blob/3132933b6aa99ddefab29c10447624efd6fd6e52/src/segment-loader.js#L91\n if (this.removeBufferRange(bufferType, sb, 0, targetBackBufferPosition)) {\n this.hls.trigger(Events.LIVE_BACK_BUFFER_REACHED, { bufferEnd: targetBackBufferPosition });\n }\n\n }\n }\n }\n }\n\n onLevelUpdated ({ details }: { details: { totalduration: number, targetduration?: number, averagetargetduration?: number, live: boolean, fragments: any[] } }) {\n if (details.fragments.length > 0) {\n this._levelDuration = details.totalduration + details.fragments[0].start;\n this._levelTargetDuration = details.averagetargetduration || details.targetduration || 10;\n this._live = details.live;\n this.updateMediaElementDuration();\n }\n }\n\n /**\n * Update Media Source duration to current level duration or override to Infinity if configuration parameter\n * 'liveDurationInfinity` is set to `true`\n * More details: https://github.com/video-dev/hls.js/issues/355\n */\n updateMediaElementDuration () {\n let { config } = this;\n let duration: number;\n\n if (this._levelDuration === null ||\n !this.media ||\n !this.mediaSource ||\n !this.sourceBuffer ||\n this.media.readyState === 0 ||\n this.mediaSource.readyState !== 'open') {\n return;\n }\n\n for (let type in this.sourceBuffer) {\n const sb = this.sourceBuffer[type];\n if (sb && sb.updating === true) {\n // can't set duration whilst a buffer is updating\n return;\n }\n }\n\n duration = this.media.duration;\n // initialise to the value that the media source is reporting\n if (this._msDuration === null) {\n this._msDuration = this.mediaSource.duration;\n }\n\n if (this._live === true && config.liveDurationInfinity === true) {\n // Override duration to Infinity\n logger.log('Media Source duration is set to Infinity');\n this._msDuration = this.mediaSource.duration = Infinity;\n } else if ((this._levelDuration > this._msDuration && this._levelDuration > duration) || !Number.isFinite(duration)) {\n // levelDuration was the last value we set.\n // not using mediaSource.duration as the browser may tweak this value\n // only update Media Source duration if its value increase, this is to avoid\n // flushing already buffered portion when switching between quality level\n logger.log(`Updating Media Source duration to ${this._levelDuration.toFixed(3)}`);\n this._msDuration = this.mediaSource.duration = this._levelDuration;\n }\n }\n\n doFlush () {\n // loop through all buffer ranges to flush\n while (this.flushRange.length) {\n let range = this.flushRange[0];\n // flushBuffer will abort any buffer append in progress and flush Audio/Video Buffer\n if (this.flushBuffer(range.start, range.end, range.type)) {\n // range flushed, remove from flush array\n this.flushRange.shift();\n this.flushBufferCounter = 0;\n } else {\n this._needsFlush = true;\n // avoid looping, wait for SB update end to retrigger a flush\n return;\n }\n }\n if (this.flushRange.length === 0) {\n // everything flushed\n this._needsFlush = false;\n\n // let's recompute this.appended, which is used to avoid flush looping\n let appended = 0;\n let sourceBuffer = this.sourceBuffer;\n try {\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type];\n if (sb) {\n appended += sb.buffered.length;\n }\n }\n } catch (error) {\n // error could be thrown while accessing buffered, in case sourcebuffer has already been removed from MediaSource\n // this is harmess at this stage, catch this to avoid reporting an internal exception\n logger.error('error while accessing sourceBuffer.buffered');\n }\n this.appended = appended;\n this.hls.trigger(Events.BUFFER_FLUSHED);\n }\n }\n\n doAppending () {\n let { config, hls, segments, sourceBuffer } = this;\n if (!Object.keys(sourceBuffer).length) {\n // early exit if no source buffers have been initialized yet\n return;\n }\n\n if (!this.media || this.media.error) {\n this.segments = [];\n logger.error('trying to append although a media error occured, flush segment and abort');\n return;\n }\n\n if (this.appending) {\n // logger.log(`sb appending in progress`);\n return;\n }\n\n const segment = segments.shift();\n if (!segment) { // handle undefined shift\n return;\n }\n\n try {\n const sb = sourceBuffer[segment.type];\n if (!sb) {\n // in case we don't have any source buffer matching with this segment type,\n // it means that Mediasource fails to create sourcebuffer\n // discard this segment, and trigger update end\n this._onSBUpdateEnd();\n return;\n }\n\n if (sb.updating) {\n // if we are still updating the source buffer from the last segment, place this back at the front of the queue\n segments.unshift(segment);\n return;\n }\n\n // reset sourceBuffer ended flag before appending segment\n sb.ended = false;\n // logger.log(`appending ${segment.content} ${type} SB, size:${segment.data.length}, ${segment.parent}`);\n this.parent = segment.parent;\n sb.appendBuffer(segment.data);\n this.appendError = 0;\n this.appended++;\n this.appending = true;\n } catch (err) {\n // in case any error occured while appending, put back segment in segments table\n logger.error(`error while trying to append buffer:${err.message}`);\n segments.unshift(segment);\n let event = { type: ErrorTypes.MEDIA_ERROR, parent: segment.parent, details: '', fatal: false };\n if (err.code === 22) {\n // QuotaExceededError: http://www.w3.org/TR/html5/infrastructure.html#quotaexceedederror\n // let's stop appending any segments, and report BUFFER_FULL_ERROR error\n this.segments = [];\n event.details = ErrorDetails.BUFFER_FULL_ERROR;\n } else {\n this.appendError++;\n event.details = ErrorDetails.BUFFER_APPEND_ERROR;\n /* with UHD content, we could get loop of quota exceeded error until\n browser is able to evict some data from sourcebuffer. retrying help recovering this\n */\n if (this.appendError > config.appendErrorMaxRetry) {\n logger.log(`fail ${config.appendErrorMaxRetry} times to append segment in sourceBuffer`);\n this.segments = [];\n event.fatal = true;\n }\n }\n hls.trigger(Events.ERROR, event);\n }\n }\n\n /*\n flush specified buffered range,\n return true once range has been flushed.\n as sourceBuffer.remove() is asynchronous, flushBuffer will be retriggered on sourceBuffer update end\n */\n flushBuffer (startOffset: number, endOffset: number, sbType: SourceBufferName): boolean {\n const sourceBuffer = this.sourceBuffer;\n // exit if no sourceBuffers are initialized\n if (!Object.keys(sourceBuffer).length) {\n return true;\n }\n\n let currentTime: string = 'null';\n if (this.media) {\n currentTime = this.media.currentTime.toFixed(3);\n }\n logger.log(`flushBuffer,pos/start/end: ${currentTime}/${startOffset}/${endOffset}`);\n\n // safeguard to avoid infinite looping : don't try to flush more than the nb of appended segments\n if (this.flushBufferCounter >= this.appended) {\n logger.warn('abort flushing too many retries');\n return true;\n }\n\n const sb = sourceBuffer[sbType];\n // we are going to flush buffer, mark source buffer as 'not ended'\n if (sb) {\n sb.ended = false;\n if (!sb.updating) {\n if (this.removeBufferRange(sbType, sb, startOffset, endOffset)) {\n this.flushBufferCounter++;\n return false;\n }\n } else {\n logger.warn('cannot flush, sb updating in progress');\n return false;\n }\n }\n\n logger.log('buffer flushed');\n // everything flushed !\n return true;\n }\n\n /**\n * Removes first buffered range from provided source buffer that lies within given start and end offsets.\n *\n * @param {string} type Type of the source buffer, logging purposes only.\n * @param {SourceBuffer} sb Target SourceBuffer instance.\n * @param {number} startOffset\n * @param {number} endOffset\n *\n * @returns {boolean} True when source buffer remove requested.\n */\n removeBufferRange (type: string, sb: ExtendedSourceBuffer, startOffset: number, endOffset: number): boolean {\n try {\n for (let i = 0; i < sb.buffered.length; i++) {\n let bufStart = sb.buffered.start(i);\n let bufEnd = sb.buffered.end(i);\n let removeStart = Math.max(bufStart, startOffset);\n let removeEnd = Math.min(bufEnd, endOffset);\n\n /* sometimes sourcebuffer.remove() does not flush\n the exact expected time range.\n to avoid rounding issues/infinite loop,\n only flush buffer range of length greater than 500ms.\n */\n if (Math.min(removeEnd, bufEnd) - removeStart > 0.5) {\n let currentTime: string = 'null';\n if (this.media) {\n currentTime = this.media.currentTime.toString();\n }\n\n logger.log(`sb remove ${type} [${removeStart},${removeEnd}], of [${bufStart},${bufEnd}], pos:${currentTime}`);\n sb.remove(removeStart, removeEnd);\n return true;\n }\n }\n } catch (error) {\n logger.warn('removeBufferRange failed', error);\n }\n\n return false;\n }\n}\n\nexport default BufferController;\n","/*\n * cap stream level to media size dimension controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\n\nclass CapLevelController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.FPS_DROP_LEVEL_CAPPING,\n Event.MEDIA_ATTACHING,\n Event.MANIFEST_PARSED,\n Event.BUFFER_CODECS,\n Event.MEDIA_DETACHING);\n\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n this.firstLevel = null;\n this.levels = [];\n this.media = null;\n this.restrictedLevels = [];\n this.timer = null;\n }\n\n destroy () {\n if (this.hls.config.capLevelToPlayerSize) {\n this.media = null;\n this.stopCapping();\n }\n }\n\n onFpsDropLevelCapping (data) {\n // Don't add a restricted level more than once\n if (CapLevelController.isLevelAllowed(data.droppedLevel, this.restrictedLevels)) {\n this.restrictedLevels.push(data.droppedLevel);\n }\n }\n\n onMediaAttaching (data) {\n this.media = data.media instanceof window.HTMLVideoElement ? data.media : null;\n }\n\n onManifestParsed (data) {\n const hls = this.hls;\n this.restrictedLevels = [];\n this.levels = data.levels;\n this.firstLevel = data.firstLevel;\n if (hls.config.capLevelToPlayerSize && data.video) {\n // Start capping immediately if the manifest has signaled video codecs\n this.startCapping();\n }\n }\n\n // Only activate capping when playing a video stream; otherwise, multi-bitrate audio-only streams will be restricted\n // to the first level\n onBufferCodecs (data) {\n const hls = this.hls;\n if (hls.config.capLevelToPlayerSize && data.video) {\n // If the manifest did not signal a video codec capping has been deferred until we're certain video is present\n this.startCapping();\n }\n }\n\n onLevelsUpdated (data) {\n this.levels = data.levels;\n }\n\n onMediaDetaching () {\n this.stopCapping();\n }\n\n detectPlayerSize () {\n if (this.media) {\n let levelsLength = this.levels ? this.levels.length : 0;\n if (levelsLength) {\n const hls = this.hls;\n hls.autoLevelCapping = this.getMaxLevel(levelsLength - 1);\n if (hls.autoLevelCapping > this.autoLevelCapping) {\n // if auto level capping has a higher value for the previous one, flush the buffer using nextLevelSwitch\n // usually happen when the user go to the fullscreen mode.\n hls.streamController.nextLevelSwitch();\n }\n this.autoLevelCapping = hls.autoLevelCapping;\n }\n }\n }\n\n /*\n * returns level should be the one with the dimensions equal or greater than the media (player) dimensions (so the video will be downscaled)\n */\n getMaxLevel (capLevelIndex) {\n if (!this.levels) {\n return -1;\n }\n\n const validLevels = this.levels.filter((level, index) =>\n CapLevelController.isLevelAllowed(index, this.restrictedLevels) && index <= capLevelIndex\n );\n\n return CapLevelController.getMaxLevelByMediaSize(validLevels, this.mediaWidth, this.mediaHeight);\n }\n\n startCapping () {\n if (this.timer) {\n // Don't reset capping if started twice; this can happen if the manifest signals a video codec\n return;\n }\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n this.hls.firstLevel = this.getMaxLevel(this.firstLevel);\n clearInterval(this.timer);\n this.timer = setInterval(this.detectPlayerSize.bind(this), 1000);\n this.detectPlayerSize();\n }\n\n stopCapping () {\n this.restrictedLevels = [];\n this.firstLevel = null;\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n if (this.timer) {\n this.timer = clearInterval(this.timer);\n this.timer = null;\n }\n }\n\n get mediaWidth () {\n let width;\n const media = this.media;\n if (media) {\n width = media.width || media.clientWidth || media.offsetWidth;\n width *= CapLevelController.contentScaleFactor;\n }\n return width;\n }\n\n get mediaHeight () {\n let height;\n const media = this.media;\n if (media) {\n height = media.height || media.clientHeight || media.offsetHeight;\n height *= CapLevelController.contentScaleFactor;\n }\n return height;\n }\n\n static get contentScaleFactor () {\n let pixelRatio = 1;\n try {\n pixelRatio = window.devicePixelRatio;\n } catch (e) {}\n return pixelRatio;\n }\n\n static isLevelAllowed (level, restrictedLevels = []) {\n return restrictedLevels.indexOf(level) === -1;\n }\n\n static getMaxLevelByMediaSize (levels, width, height) {\n if (!levels || (levels && !levels.length)) {\n return -1;\n }\n\n // Levels can have the same dimensions but differing bandwidths - since levels are ordered, we can look to the next\n // to determine whether we've chosen the greatest bandwidth for the media's dimensions\n const atGreatestBandiwdth = (curLevel, nextLevel) => {\n if (!nextLevel) {\n return true;\n }\n\n return curLevel.width !== nextLevel.width || curLevel.height !== nextLevel.height;\n };\n\n // If we run through the loop without breaking, the media's dimensions are greater than every level, so default to\n // the max level\n let maxLevelIndex = levels.length - 1;\n\n for (let i = 0; i < levels.length; i += 1) {\n const level = levels[i];\n if ((level.width >= width || level.height >= height) && atGreatestBandiwdth(level, levels[i + 1])) {\n maxLevelIndex = i;\n break;\n }\n }\n\n return maxLevelIndex;\n }\n}\n\nexport default CapLevelController;\n","/**\n * @see https://developer.mozilla.org/en-US/docs/Web/API/Navigator/requestMediaKeySystemAccess\n */\nexport enum KeySystems {\n WIDEVINE = 'com.widevine.alpha',\n PLAYREADY = 'com.microsoft.playready',\n}\n\nexport type MediaKeyFunc = (keySystem: KeySystems, supportedConfigurations: MediaKeySystemConfiguration[]) => Promise<MediaKeySystemAccess>;\nconst requestMediaKeySystemAccess = (function (): MediaKeyFunc | null {\n if (typeof window !== 'undefined' && window.navigator && window.navigator.requestMediaKeySystemAccess) {\n return window.navigator.requestMediaKeySystemAccess.bind(window.navigator);\n } else {\n return null;\n }\n})();\n\nexport {\n requestMediaKeySystemAccess\n};\n","/*\n * FPS Controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\n\nconst { performance } = window;\n\nclass FPSController extends EventHandler {\n constructor (hls) {\n super(hls, Event.MEDIA_ATTACHING);\n }\n\n destroy () {\n if (this.timer) {\n clearInterval(this.timer);\n }\n\n this.isVideoPlaybackQualityAvailable = false;\n }\n\n onMediaAttaching (data) {\n const config = this.hls.config;\n if (config.capLevelOnFPSDrop) {\n const video = this.video = data.media instanceof window.HTMLVideoElement ? data.media : null;\n if (typeof video.getVideoPlaybackQuality === 'function') {\n this.isVideoPlaybackQualityAvailable = true;\n }\n\n clearInterval(this.timer);\n this.timer = setInterval(this.checkFPSInterval.bind(this), config.fpsDroppedMonitoringPeriod);\n }\n }\n\n checkFPS (video, decodedFrames, droppedFrames) {\n let currentTime = performance.now();\n if (decodedFrames) {\n if (this.lastTime) {\n let currentPeriod = currentTime - this.lastTime,\n currentDropped = droppedFrames - this.lastDroppedFrames,\n currentDecoded = decodedFrames - this.lastDecodedFrames,\n droppedFPS = 1000 * currentDropped / currentPeriod,\n hls = this.hls;\n hls.trigger(Event.FPS_DROP, { currentDropped: currentDropped, currentDecoded: currentDecoded, totalDroppedFrames: droppedFrames });\n if (droppedFPS > 0) {\n // logger.log('checkFPS : droppedFPS/decodedFPS:' + droppedFPS/(1000 * currentDecoded / currentPeriod));\n if (currentDropped > hls.config.fpsDroppedMonitoringThreshold * currentDecoded) {\n let currentLevel = hls.currentLevel;\n logger.warn('drop FPS ratio greater than max allowed value for currentLevel: ' + currentLevel);\n if (currentLevel > 0 && (hls.autoLevelCapping === -1 || hls.autoLevelCapping >= currentLevel)) {\n currentLevel = currentLevel - 1;\n hls.trigger(Event.FPS_DROP_LEVEL_CAPPING, { level: currentLevel, droppedLevel: hls.currentLevel });\n hls.autoLevelCapping = currentLevel;\n hls.streamController.nextLevelSwitch();\n }\n }\n }\n }\n this.lastTime = currentTime;\n this.lastDroppedFrames = droppedFrames;\n this.lastDecodedFrames = decodedFrames;\n }\n }\n\n checkFPSInterval () {\n const video = this.video;\n if (video) {\n if (this.isVideoPlaybackQualityAvailable) {\n let videoPlaybackQuality = video.getVideoPlaybackQuality();\n this.checkFPS(video, videoPlaybackQuality.totalVideoFrames, videoPlaybackQuality.droppedVideoFrames);\n } else {\n this.checkFPS(video, video.webkitDecodedFrameCount, video.webkitDroppedFrameCount);\n }\n }\n }\n}\n\nexport default FPSController;\n","/**\n * XHR based logger\n*/\n\nimport { logger } from '../utils/logger';\n\nconst { performance, XMLHttpRequest } = window;\n\nclass XhrLoader {\n constructor (config) {\n if (config && config.xhrSetup) {\n this.xhrSetup = config.xhrSetup;\n }\n }\n\n destroy () {\n this.abort();\n this.loader = null;\n }\n\n abort () {\n let loader = this.loader;\n if (loader && loader.readyState !== 4) {\n this.stats.aborted = true;\n loader.abort();\n }\n\n window.clearTimeout(this.requestTimeout);\n this.requestTimeout = null;\n window.clearTimeout(this.retryTimeout);\n this.retryTimeout = null;\n }\n\n load (context, config, callbacks) {\n this.context = context;\n this.config = config;\n this.callbacks = callbacks;\n this.stats = { trequest: performance.now(), retry: 0 };\n this.retryDelay = config.retryDelay;\n this.loadInternal();\n }\n\n loadInternal () {\n let xhr, context = this.context;\n xhr = this.loader = new XMLHttpRequest();\n\n let stats = this.stats;\n stats.tfirst = 0;\n stats.loaded = 0;\n const xhrSetup = this.xhrSetup;\n\n try {\n if (xhrSetup) {\n try {\n xhrSetup(xhr, context.url);\n } catch (e) {\n // fix xhrSetup: (xhr, url) => {xhr.setRequestHeader(\"Content-Language\", \"test\");}\n // not working, as xhr.setRequestHeader expects xhr.readyState === OPEN\n xhr.open('GET', context.url, true);\n xhrSetup(xhr, context.url);\n }\n }\n if (!xhr.readyState) {\n xhr.open('GET', context.url, true);\n }\n } catch (e) {\n // IE11 throws an exception on xhr.open if attempting to access an HTTP resource over HTTPS\n this.callbacks.onError({ code: xhr.status, text: e.message }, context, xhr);\n return;\n }\n\n if (context.rangeEnd) {\n xhr.setRequestHeader('Range', 'bytes=' + context.rangeStart + '-' + (context.rangeEnd - 1));\n }\n\n xhr.onreadystatechange = this.readystatechange.bind(this);\n xhr.onprogress = this.loadprogress.bind(this);\n xhr.responseType = context.responseType;\n\n // setup timeout before we perform request\n this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), this.config.timeout);\n xhr.send();\n }\n\n readystatechange (event) {\n let xhr = event.currentTarget,\n readyState = xhr.readyState,\n stats = this.stats,\n context = this.context,\n config = this.config;\n\n // don't proceed if xhr has been aborted\n if (stats.aborted) {\n return;\n }\n\n // >= HEADERS_RECEIVED\n if (readyState >= 2) {\n // clear xhr timeout and rearm it if readyState less than 4\n window.clearTimeout(this.requestTimeout);\n if (stats.tfirst === 0) {\n stats.tfirst = Math.max(performance.now(), stats.trequest);\n }\n\n if (readyState === 4) {\n let status = xhr.status;\n // http status between 200 to 299 are all successful\n if (status >= 200 && status < 300) {\n stats.tload = Math.max(stats.tfirst, performance.now());\n let data, len;\n if (context.responseType === 'arraybuffer') {\n data = xhr.response;\n len = data.byteLength;\n } else {\n data = xhr.responseText;\n len = data.length;\n }\n stats.loaded = stats.total = len;\n let response = { url: xhr.responseURL, data: data };\n this.callbacks.onSuccess(response, stats, context, xhr);\n } else {\n // if max nb of retries reached or if http status between 400 and 499 (such error cannot be recovered, retrying is useless), return error\n if (stats.retry >= config.maxRetry) {\n logger.error(`${status} while loading ${context.url}`);\n this.callbacks.onError({ code: status, text: xhr.statusText }, context, xhr);\n } else {\n // retry\n logger.warn(`${status} while loading ${context.url}, retrying in ${this.retryDelay}...`);\n // aborts and resets internal state\n this.destroy();\n // schedule retry\n this.retryTimeout = window.setTimeout(this.loadInternal.bind(this), this.retryDelay);\n // set exponential backoff\n this.retryDelay = Math.min(2 * this.retryDelay, config.maxRetryDelay);\n stats.retry++;\n }\n }\n } else {\n // readyState >= 2 AND readyState !==4 (readyState = HEADERS_RECEIVED || LOADING) rearm timeout as xhr not finished yet\n this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), config.timeout);\n }\n }\n }\n\n loadtimeout () {\n logger.warn(`timeout while loading ${this.context.url}`);\n this.callbacks.onTimeout(this.stats, this.context, null);\n }\n\n loadprogress (event) {\n let xhr = event.currentTarget,\n stats = this.stats;\n\n stats.loaded = event.loaded;\n if (event.lengthComputable) {\n stats.total = event.total;\n }\n\n let onProgress = this.callbacks.onProgress;\n if (onProgress) {\n // third arg is to provide on progress data\n onProgress(stats, this.context, null, xhr);\n }\n }\n}\n\nexport default XhrLoader;\n","/**\n * HLS config\n */\n\nimport AbrController from './controller/abr-controller';\nimport BufferController from './controller/buffer-controller';\nimport CapLevelController from './controller/cap-level-controller';\nimport FPSController from './controller/fps-controller';\nimport XhrLoader from './utils/xhr-loader';\n// import FetchLoader from './utils/fetch-loader';\n\nimport AudioTrackController from './controller/audio-track-controller';\nimport AudioStreamController from './controller/audio-stream-controller';\n\nimport * as Cues from './utils/cues';\nimport TimelineController from './controller/timeline-controller';\nimport SubtitleTrackController from './controller/subtitle-track-controller';\nimport { SubtitleStreamController } from './controller/subtitle-stream-controller';\nimport EMEController from './controller/eme-controller';\nimport { requestMediaKeySystemAccess, MediaKeyFunc } from './utils/mediakeys-helper';\n\ntype ABRControllerConfig = {\n abrEwmaFastLive: number,\n abrEwmaSlowLive: number,\n abrEwmaFastVoD: number,\n abrEwmaSlowVoD: number,\n abrEwmaDefaultEstimate: number,\n abrBandWidthFactor: number,\n abrBandWidthUpFactor: number,\n abrMaxWithRealBitrate: boolean,\n maxStarvationDelay: number,\n maxLoadingDelay: number,\n};\n\nexport type BufferControllerConfig = {\n appendErrorMaxRetry: number,\n liveDurationInfinity: boolean,\n liveBackBufferLength: number,\n};\n\ntype CapLevelControllerConfig = {\n capLevelToPlayerSize: boolean\n};\n\nexport type EMEControllerConfig = {\n licenseXhrSetup?: (xhr: XMLHttpRequest, url: string) => void,\n emeEnabled: boolean,\n widevineLicenseUrl?: string,\n requestMediaKeySystemAccessFunc: MediaKeyFunc | null,\n};\n\ntype FragmentLoaderConfig = {\n fLoader: any, // TODO(typescript-loader): Once Loader is typed fill this in\n\n fragLoadingTimeOut: number,\n fragLoadingMaxRetry: number,\n fragLoadingRetryDelay: number,\n fragLoadingMaxRetryTimeout: number,\n};\n\ntype FPSControllerConfig = {\n capLevelOnFPSDrop: boolean,\n fpsDroppedMonitoringPeriod: number,\n fpsDroppedMonitoringThreshold: number,\n};\n\ntype LevelControllerConfig = {\n startLevel?: number\n};\n\ntype MP4RemuxerConfig = {\n stretchShortVideoTrack: boolean,\n maxAudioFramesDrift: number,\n};\n\ntype PlaylistLoaderConfig = {\n pLoader: any, // TODO(typescript-loader): Once Loader is typed fill this in\n\n manifestLoadingTimeOut: number,\n manifestLoadingMaxRetry: number,\n manifestLoadingRetryDelay: number,\n manifestLoadingMaxRetryTimeout: number,\n\n levelLoadingTimeOut: number,\n levelLoadingMaxRetry: number,\n levelLoadingRetryDelay: number,\n levelLoadingMaxRetryTimeout: number\n};\n\ntype StreamControllerConfig = {\n autoStartLoad: boolean,\n startPosition: number,\n defaultAudioCodec?: string,\n initialLiveManifestSize: number,\n maxBufferLength: number,\n maxBufferSize: number,\n maxBufferHole: number,\n\n lowBufferWatchdogPeriod: number,\n highBufferWatchdogPeriod: number,\n nudgeOffset: number,\n nudgeMaxRetry: number,\n maxFragLookUpTolerance: number,\n liveSyncDurationCount: number,\n liveMaxLatencyDurationCount: number,\n liveSyncDuration?: number,\n liveMaxLatencyDuration?: number,\n maxMaxBufferLength: number,\n\n startFragPrefetch: boolean,\n};\n\ntype TimelineControllerConfig = {\n cueHandler: any, // TODO(typescript-cues): Type once file is done\n enableCEA708Captions: boolean,\n enableWebVTT: boolean,\n captionsTextTrack1Label: string,\n captionsTextTrack1LanguageCode: string,\n captionsTextTrack2Label: string,\n captionsTextTrack2LanguageCode: string,\n};\n\ntype TSDemuxerConfig = {\n forceKeyFrameOnDiscontinuity: boolean,\n};\n\nexport type HlsConfig =\n {\n debug: boolean,\n enableWorker: boolean,\n enableSoftwareAES: boolean,\n minAutoBitrate: number,\n loader: any, // TODO(typescript-xhrloader): Type once XHR is done\n xhrSetup?: (xhr: XMLHttpRequest, url: string) => void,\n\n // Alt Audio\n audioStreamController?: any, // TODO(typescript-audiostreamcontroller): Type once file is done\n audioTrackController?: any, // TODO(typescript-audiotrackcontroller): Type once file is done\n // Subtitle\n subtitleStreamController?: any, // TODO(typescript-subtitlestreamcontroller): Type once file is done\n subtitleTrackController?: any, // TODO(typescript-subtitletrackcontroller): Type once file is done\n timelineController?: any, // TODO(typescript-timelinecontroller): Type once file is done\n // EME\n emeController?: typeof EMEController,\n\n abrController: any, // TODO(typescript-abrcontroller): Type once file is done\n bufferController: typeof BufferController,\n capLevelController: any, // TODO(typescript-caplevelcontroller): Type once file is done\n fpsController: any, // TODO(typescript-fpscontroller): Type once file is done\n } &\n ABRControllerConfig &\n BufferControllerConfig &\n CapLevelControllerConfig &\n EMEControllerConfig &\n FPSControllerConfig &\n FragmentLoaderConfig &\n LevelControllerConfig &\n MP4RemuxerConfig &\n PlaylistLoaderConfig &\n StreamControllerConfig &\n Partial<TimelineControllerConfig> &\n TSDemuxerConfig;\n\n// If possible, keep hlsDefaultConfig shallow\n// It is cloned whenever a new Hls instance is created, by keeping the config\n// shallow the properties are cloned, and we don't end up manipulating the default\nexport const hlsDefaultConfig: HlsConfig = {\n autoStartLoad: true, // used by stream-controller\n startPosition: -1, // used by stream-controller\n defaultAudioCodec: void 0, // used by stream-controller\n debug: false, // used by logger\n capLevelOnFPSDrop: false, // used by fps-controller\n capLevelToPlayerSize: false, // used by cap-level-controller\n initialLiveManifestSize: 1, // used by stream-controller\n maxBufferLength: 30, // used by stream-controller\n maxBufferSize: 60 * 1000 * 1000, // used by stream-controller\n maxBufferHole: 0.5, // used by stream-controller\n\n lowBufferWatchdogPeriod: 0.5, // used by stream-controller\n highBufferWatchdogPeriod: 3, // used by stream-controller\n nudgeOffset: 0.1, // used by stream-controller\n nudgeMaxRetry: 3, // used by stream-controller\n maxFragLookUpTolerance: 0.25, // used by stream-controller\n liveSyncDurationCount: 3, // used by stream-controller\n liveMaxLatencyDurationCount: Infinity, // used by stream-controller\n liveSyncDuration: void 0, // used by stream-controller\n liveMaxLatencyDuration: void 0, // used by stream-controller\n liveDurationInfinity: false, // used by buffer-controller\n liveBackBufferLength: Infinity, // used by buffer-controller\n maxMaxBufferLength: 600, // used by stream-controller\n enableWorker: true, // used by demuxer\n enableSoftwareAES: true, // used by decrypter\n manifestLoadingTimeOut: 10000, // used by playlist-loader\n manifestLoadingMaxRetry: 1, // used by playlist-loader\n manifestLoadingRetryDelay: 1000, // used by playlist-loader\n manifestLoadingMaxRetryTimeout: 64000, // used by playlist-loader\n startLevel: void 0, // used by level-controller\n levelLoadingTimeOut: 10000, // used by playlist-loader\n levelLoadingMaxRetry: 4, // used by playlist-loader\n levelLoadingRetryDelay: 1000, // used by playlist-loader\n levelLoadingMaxRetryTimeout: 64000, // used by playlist-loader\n fragLoadingTimeOut: 20000, // used by fragment-loader\n fragLoadingMaxRetry: 6, // used by fragment-loader\n fragLoadingRetryDelay: 1000, // used by fragment-loader\n fragLoadingMaxRetryTimeout: 64000, // used by fragment-loader\n startFragPrefetch: false, // used by stream-controller\n fpsDroppedMonitoringPeriod: 5000, // used by fps-controller\n fpsDroppedMonitoringThreshold: 0.2, // used by fps-controller\n appendErrorMaxRetry: 3, // used by buffer-controller\n loader: XhrLoader,\n // loader: FetchLoader,\n fLoader: void 0, // used by fragment-loader\n pLoader: void 0, // used by playlist-loader\n xhrSetup: void 0, // used by xhr-loader\n licenseXhrSetup: void 0, // used by eme-controller\n // fetchSetup: void 0,\n abrController: AbrController,\n bufferController: BufferController,\n capLevelController: CapLevelController,\n fpsController: FPSController,\n stretchShortVideoTrack: false, // used by mp4-remuxer\n maxAudioFramesDrift: 1, // used by mp4-remuxer\n forceKeyFrameOnDiscontinuity: true, // used by ts-demuxer\n abrEwmaFastLive: 3, // used by abr-controller\n abrEwmaSlowLive: 9, // used by abr-controller\n abrEwmaFastVoD: 3, // used by abr-controller\n abrEwmaSlowVoD: 9, // used by abr-controller\n abrEwmaDefaultEstimate: 5e5, // 500 kbps // used by abr-controller\n abrBandWidthFactor: 0.95, // used by abr-controller\n abrBandWidthUpFactor: 0.7, // used by abr-controller\n abrMaxWithRealBitrate: false, // used by abr-controller\n maxStarvationDelay: 4, // used by abr-controller\n maxLoadingDelay: 4, // used by abr-controller\n minAutoBitrate: 0, // used by hls\n emeEnabled: false, // used by eme-controller\n widevineLicenseUrl: void 0, // used by eme-controller\n requestMediaKeySystemAccessFunc: requestMediaKeySystemAccess, // used by eme-controller\n\n // Dynamic Modules\n ...timelineConfig(),\n subtitleStreamController: (__USE_SUBTITLES__) ? SubtitleStreamController : void 0,\n subtitleTrackController: (__USE_SUBTITLES__) ? SubtitleTrackController : void 0,\n timelineController: (__USE_SUBTITLES__) ? TimelineController : void 0,\n audioStreamController: (__USE_ALT_AUDIO__) ? AudioStreamController : void 0,\n audioTrackController: (__USE_ALT_AUDIO__) ? AudioTrackController : void 0,\n emeController: (__USE_EME_DRM__) ? EMEController : void 0\n};\n\nfunction timelineConfig (): TimelineControllerConfig {\n if (!__USE_SUBTITLES__) {\n // intentionally doing this over returning Partial<TimelineControllerConfig> above\n // this has the added nice property of still requiring the object below to completely define all props.\n return {} as any;\n }\n return {\n cueHandler: Cues, // used by timeline-controller\n enableCEA708Captions: true, // used by timeline-controller\n enableWebVTT: true, // used by timeline-controller\n captionsTextTrack1Label: 'English', // used by timeline-controller\n captionsTextTrack1LanguageCode: 'en', // used by timeline-controller\n captionsTextTrack2Label: 'Spanish', // used by timeline-controller\n captionsTextTrack2LanguageCode: 'es' // used by timeline-controller\n };\n}\n","import * as URLToolkit from 'url-toolkit';\n\nimport {\n ErrorTypes,\n ErrorDetails\n} from './errors';\n\nimport PlaylistLoader from './loader/playlist-loader';\nimport FragmentLoader from './loader/fragment-loader';\nimport KeyLoader from './loader/key-loader';\n\nimport { FragmentTracker } from './controller/fragment-tracker';\nimport StreamController from './controller/stream-controller';\nimport LevelController from './controller/level-controller';\nimport ID3TrackController from './controller/id3-track-controller';\n\nimport { isSupported } from './is-supported';\nimport { logger, enableLogs } from './utils/logger';\nimport { hlsDefaultConfig, HlsConfig } from './config';\n\nimport HlsEvents from './events';\n\nimport { Observer } from './observer';\n\n/**\n * @module Hls\n * @class\n * @constructor\n */\nexport default class Hls extends Observer {\n public static defaultConfig?: HlsConfig;\n public config: HlsConfig;\n\n private _autoLevelCapping: number;\n private abrController: any;\n private capLevelController: any;\n private levelController: any;\n private streamController: any;\n private networkControllers: any[];\n private audioTrackController: any;\n private subtitleTrackController: any;\n private emeController: any;\n private coreComponents: any[];\n private media: HTMLMediaElement | null = null;\n private url: string | null = null;\n\n /**\n * @type {string}\n */\n static get version (): string {\n return __VERSION__;\n }\n\n /**\n * @type {boolean}\n */\n static isSupported (): boolean {\n return isSupported();\n }\n\n /**\n * @type {HlsEvents}\n */\n static get Events () {\n return HlsEvents;\n }\n\n /**\n * @type {HlsErrorTypes}\n */\n static get ErrorTypes () {\n return ErrorTypes;\n }\n\n /**\n * @type {HlsErrorDetails}\n */\n static get ErrorDetails () {\n return ErrorDetails;\n }\n\n /**\n * @type {HlsConfig}\n */\n static get DefaultConfig (): HlsConfig {\n if (!Hls.defaultConfig) {\n return hlsDefaultConfig;\n }\n\n return Hls.defaultConfig;\n }\n\n /**\n * @type {HlsConfig}\n */\n static set DefaultConfig (defaultConfig: HlsConfig) {\n Hls.defaultConfig = defaultConfig;\n }\n\n /**\n * Creates an instance of an HLS client that can attach to exactly one `HTMLMediaElement`.\n *\n * @constructs Hls\n * @param {HlsConfig} config\n */\n constructor (userConfig: Partial<HlsConfig> = {}) {\n super();\n\n const defaultConfig = Hls.DefaultConfig;\n\n if ((userConfig.liveSyncDurationCount || userConfig.liveMaxLatencyDurationCount) && (userConfig.liveSyncDuration || userConfig.liveMaxLatencyDuration)) {\n throw new Error('Illegal hls.js config: don\\'t mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration');\n }\n\n // Shallow clone\n this.config = {\n ...defaultConfig,\n ...userConfig\n };\n\n const { config } = this;\n\n if (config.liveMaxLatencyDurationCount !== void 0 && config.liveMaxLatencyDurationCount <= config.liveSyncDurationCount) {\n throw new Error('Illegal hls.js config: \"liveMaxLatencyDurationCount\" must be gt \"liveSyncDurationCount\"');\n }\n\n if (config.liveMaxLatencyDuration !== void 0 && (config.liveSyncDuration === void 0 || config.liveMaxLatencyDuration <= config.liveSyncDuration)) {\n throw new Error('Illegal hls.js config: \"liveMaxLatencyDuration\" must be gt \"liveSyncDuration\"');\n }\n\n enableLogs(config.debug);\n\n this._autoLevelCapping = -1;\n\n // core controllers and network loaders\n\n /**\n * @member {AbrController} abrController\n */\n const abrController = this.abrController = new config.abrController(this); // eslint-disable-line new-cap\n const bufferController = new config.bufferController(this); // eslint-disable-line new-cap\n const capLevelController = this.capLevelController = new config.capLevelController(this); // eslint-disable-line new-cap\n const fpsController = new config.fpsController(this); // eslint-disable-line new-cap\n const playListLoader = new PlaylistLoader(this);\n const fragmentLoader = new FragmentLoader(this);\n const keyLoader = new KeyLoader(this);\n const id3TrackController = new ID3TrackController(this);\n\n // network controllers\n\n /**\n * @member {LevelController} levelController\n */\n const levelController = this.levelController = new LevelController(this);\n\n // FIXME: FragmentTracker must be defined before StreamController because the order of event handling is important\n const fragmentTracker = new FragmentTracker(this);\n\n /**\n * @member {StreamController} streamController\n */\n const streamController = this.streamController = new StreamController(this, fragmentTracker);\n\n let networkControllers = [levelController, streamController];\n\n // optional audio stream controller\n /**\n * @var {ICoreComponent | Controller}\n */\n let Controller = config.audioStreamController;\n if (Controller) {\n networkControllers.push(new Controller(this, fragmentTracker));\n }\n\n /**\n * @member {INetworkController[]} networkControllers\n */\n this.networkControllers = networkControllers;\n\n /**\n * @var {ICoreComponent[]}\n */\n const coreComponents = [\n playListLoader,\n fragmentLoader,\n keyLoader,\n abrController,\n bufferController,\n capLevelController,\n fpsController,\n id3TrackController,\n fragmentTracker\n ];\n\n // optional audio track and subtitle controller\n Controller = config.audioTrackController;\n if (Controller) {\n const audioTrackController = new Controller(this);\n\n /**\n * @member {AudioTrackController} audioTrackController\n */\n this.audioTrackController = audioTrackController;\n coreComponents.push(audioTrackController);\n }\n\n Controller = config.subtitleTrackController;\n if (Controller) {\n const subtitleTrackController = new Controller(this);\n\n /**\n * @member {SubtitleTrackController} subtitleTrackController\n */\n this.subtitleTrackController = subtitleTrackController;\n networkControllers.push(subtitleTrackController);\n }\n\n Controller = config.emeController;\n if (Controller) {\n const emeController = new Controller(this);\n\n /**\n * @member {EMEController} emeController\n */\n this.emeController = emeController;\n coreComponents.push(emeController);\n }\n\n // optional subtitle controllers\n Controller = config.subtitleStreamController;\n if (Controller) {\n networkControllers.push(new Controller(this, fragmentTracker));\n }\n Controller = config.timelineController;\n if (Controller) {\n coreComponents.push(new Controller(this));\n }\n\n /**\n * @member {ICoreComponent[]}\n */\n this.coreComponents = coreComponents;\n }\n\n /**\n * Dispose of the instance\n */\n destroy () {\n logger.log('destroy');\n this.trigger(HlsEvents.DESTROYING);\n this.detachMedia();\n this.coreComponents.concat(this.networkControllers).forEach(component => {\n component.destroy();\n });\n this.url = null;\n this.removeAllListeners();\n this._autoLevelCapping = -1;\n }\n\n /**\n * Attach a media element\n * @param {HTMLMediaElement} media\n */\n attachMedia (media: HTMLMediaElement) {\n logger.log('attachMedia');\n this.media = media;\n this.trigger(HlsEvents.MEDIA_ATTACHING, { media: media });\n }\n\n /**\n * Detach from the media\n */\n detachMedia () {\n logger.log('detachMedia');\n this.trigger(HlsEvents.MEDIA_DETACHING);\n this.media = null;\n }\n\n /**\n * Set the source URL. Can be relative or absolute.\n * @param {string} url\n */\n loadSource (url: string) {\n url = URLToolkit.buildAbsoluteURL(window.location.href, url, { alwaysNormalize: true });\n logger.log(`loadSource:${url}`);\n this.url = url;\n // when attaching to a source URL, trigger a playlist load\n this.trigger(HlsEvents.MANIFEST_LOADING, { url: url });\n }\n\n /**\n * Start loading data from the stream source.\n * Depending on default config, client starts loading automatically when a source is set.\n *\n * @param {number} startPosition Set the start position to stream from\n * @default -1 None (from earliest point)\n */\n startLoad (startPosition: number = -1) {\n logger.log(`startLoad(${startPosition})`);\n this.networkControllers.forEach(controller => {\n controller.startLoad(startPosition);\n });\n }\n\n /**\n * Stop loading of any stream data.\n */\n stopLoad () {\n logger.log('stopLoad');\n this.networkControllers.forEach(controller => {\n controller.stopLoad();\n });\n }\n\n /**\n * Swap through possible audio codecs in the stream (for example to switch from stereo to 5.1)\n */\n swapAudioCodec () {\n logger.log('swapAudioCodec');\n this.streamController.swapAudioCodec();\n }\n\n /**\n * When the media-element fails, this allows to detach and then re-attach it\n * as one call (convenience method).\n *\n * Automatic recovery of media-errors by this process is configurable.\n */\n recoverMediaError () {\n logger.log('recoverMediaError');\n let media = this.media;\n this.detachMedia();\n if (media) {\n this.attachMedia(media);\n }\n }\n\n /**\n * @type {QualityLevel[]}\n */\n // todo(typescript-levelController)\n get levels (): any[] {\n return this.levelController.levels;\n }\n\n /**\n * Index of quality level currently played\n * @type {number}\n */\n get currentLevel (): number {\n return this.streamController.currentLevel;\n }\n\n /**\n * Set quality level index immediately .\n * This will flush the current buffer to replace the quality asap.\n * That means playback will interrupt at least shortly to re-buffer and re-sync eventually.\n * @type {number} -1 for automatic level selection\n */\n set currentLevel (newLevel: number) {\n logger.log(`set currentLevel:${newLevel}`);\n this.loadLevel = newLevel;\n this.streamController.immediateLevelSwitch();\n }\n\n /**\n * Index of next quality level loaded as scheduled by stream controller.\n * @type {number}\n */\n get nextLevel (): number {\n return this.streamController.nextLevel;\n }\n\n /**\n * Set quality level index for next loaded data.\n * This will switch the video quality asap, without interrupting playback.\n * May abort current loading of data, and flush parts of buffer (outside currently played fragment region).\n * @type {number} -1 for automatic level selection\n */\n set nextLevel (newLevel: number) {\n logger.log(`set nextLevel:${newLevel}`);\n this.levelController.manualLevel = newLevel;\n this.streamController.nextLevelSwitch();\n }\n\n /**\n * Return the quality level of the currently or last (of none is loaded currently) segment\n * @type {number}\n */\n get loadLevel (): number {\n return this.levelController.level;\n }\n\n /**\n * Set quality level index for next loaded data in a conservative way.\n * This will switch the quality without flushing, but interrupt current loading.\n * Thus the moment when the quality switch will appear in effect will only be after the already existing buffer.\n * @type {number} newLevel -1 for automatic level selection\n */\n set loadLevel (newLevel: number) {\n logger.log(`set loadLevel:${newLevel}`);\n this.levelController.manualLevel = newLevel;\n }\n\n /**\n * get next quality level loaded\n * @type {number}\n */\n get nextLoadLevel (): number {\n return this.levelController.nextLoadLevel;\n }\n\n /**\n * Set quality level of next loaded segment in a fully \"non-destructive\" way.\n * Same as `loadLevel` but will wait for next switch (until current loading is done).\n * @type {number} level\n */\n set nextLoadLevel (level: number) {\n this.levelController.nextLoadLevel = level;\n }\n\n /**\n * Return \"first level\": like a default level, if not set,\n * falls back to index of first level referenced in manifest\n * @type {number}\n */\n get firstLevel (): number {\n return Math.max(this.levelController.firstLevel, this.minAutoLevel);\n }\n\n /**\n * Sets \"first-level\", see getter.\n * @type {number}\n */\n set firstLevel (newLevel: number) {\n logger.log(`set firstLevel:${newLevel}`);\n this.levelController.firstLevel = newLevel;\n }\n\n /**\n * Return start level (level of first fragment that will be played back)\n * if not overrided by user, first level appearing in manifest will be used as start level\n * if -1 : automatic start level selection, playback will start from level matching download bandwidth\n * (determined from download of first segment)\n * @type {number}\n */\n get startLevel (): number {\n return this.levelController.startLevel;\n }\n\n /**\n * set start level (level of first fragment that will be played back)\n * if not overrided by user, first level appearing in manifest will be used as start level\n * if -1 : automatic start level selection, playback will start from level matching download bandwidth\n * (determined from download of first segment)\n * @type {number} newLevel\n */\n set startLevel (newLevel: number) {\n logger.log(`set startLevel:${newLevel}`);\n // if not in automatic start level detection, ensure startLevel is greater than minAutoLevel\n if (newLevel !== -1) {\n newLevel = Math.max(newLevel, this.minAutoLevel);\n }\n\n this.levelController.startLevel = newLevel;\n }\n\n /**\n * set dynamically set capLevelToPlayerSize against (`CapLevelController`)\n *\n * @type {boolean}\n */\n set capLevelToPlayerSize (shouldStartCapping: boolean) {\n const newCapLevelToPlayerSize = !!shouldStartCapping;\n\n if (newCapLevelToPlayerSize !== this.config.capLevelToPlayerSize) {\n if (newCapLevelToPlayerSize) {\n this.capLevelController.startCapping(); // If capping occurs, nextLevelSwitch will happen based on size.\n } else {\n this.capLevelController.stopCapping();\n this.autoLevelCapping = -1;\n this.streamController.nextLevelSwitch(); // Now we're uncapped, get the next level asap.\n }\n\n this.config.capLevelToPlayerSize = newCapLevelToPlayerSize;\n }\n }\n\n /**\n * Capping/max level value that should be used by automatic level selection algorithm (`ABRController`)\n * @type {number}\n */\n get autoLevelCapping (): number {\n return this._autoLevelCapping;\n }\n\n /**\n * get bandwidth estimate\n * @type {number}\n */\n get bandwidthEstimate (): number {\n const bwEstimator = this.abrController._bwEstimator;\n return bwEstimator ? bwEstimator.getEstimate() : NaN;\n }\n\n /**\n * Capping/max level value that should be used by automatic level selection algorithm (`ABRController`)\n * @type {number}\n */\n set autoLevelCapping (newLevel: number) {\n logger.log(`set autoLevelCapping:${newLevel}`);\n this._autoLevelCapping = newLevel;\n }\n\n /**\n * True when automatic level selection enabled\n * @type {boolean}\n */\n get autoLevelEnabled (): boolean {\n return (this.levelController.manualLevel === -1);\n }\n\n /**\n * Level set manually (if any)\n * @type {number}\n */\n get manualLevel (): number {\n return this.levelController.manualLevel;\n }\n\n /**\n * min level selectable in auto mode according to config.minAutoBitrate\n * @type {number}\n */\n get minAutoLevel (): number {\n const { levels, config: { minAutoBitrate } } = this;\n const len = levels ? levels.length : 0;\n\n for (let i = 0; i < len; i++) {\n const levelNextBitrate = levels[i].realBitrate\n ? Math.max(levels[i].realBitrate, levels[i].bitrate)\n : levels[i].bitrate;\n\n if (levelNextBitrate > minAutoBitrate) {\n return i;\n }\n }\n\n return 0;\n }\n\n /**\n * max level selectable in auto mode according to autoLevelCapping\n * @type {number}\n */\n get maxAutoLevel (): number {\n const { levels, autoLevelCapping } = this;\n\n let maxAutoLevel;\n if (autoLevelCapping === -1 && levels && levels.length) {\n maxAutoLevel = levels.length - 1;\n } else {\n maxAutoLevel = autoLevelCapping;\n }\n\n return maxAutoLevel;\n }\n\n /**\n * next automatically selected quality level\n * @type {number}\n */\n get nextAutoLevel (): number {\n // ensure next auto level is between min and max auto level\n return Math.min(Math.max(this.abrController.nextAutoLevel, this.minAutoLevel), this.maxAutoLevel);\n }\n\n /**\n * this setter is used to force next auto level.\n * this is useful to force a switch down in auto mode:\n * in case of load error on level N, hls.js can set nextAutoLevel to N-1 for example)\n * forced value is valid for one fragment. upon succesful frag loading at forced level,\n * this value will be resetted to -1 by ABR controller.\n * @type {number}\n */\n set nextAutoLevel (nextLevel: number) {\n this.abrController.nextAutoLevel = Math.max(this.minAutoLevel, nextLevel);\n }\n\n /**\n * @type {AudioTrack[]}\n */\n // todo(typescript-audioTrackController)\n get audioTracks (): any[] {\n const audioTrackController = this.audioTrackController;\n return audioTrackController ? audioTrackController.audioTracks : [];\n }\n\n /**\n * index of the selected audio track (index in audio track lists)\n * @type {number}\n */\n get audioTrack (): number {\n const audioTrackController = this.audioTrackController;\n return audioTrackController ? audioTrackController.audioTrack : -1;\n }\n\n /**\n * selects an audio track, based on its index in audio track lists\n * @type {number}\n */\n set audioTrack (audioTrackId: number) {\n const audioTrackController = this.audioTrackController;\n if (audioTrackController) {\n audioTrackController.audioTrack = audioTrackId;\n }\n }\n\n /**\n * @type {Seconds}\n */\n get liveSyncPosition (): number {\n return this.streamController.liveSyncPosition;\n }\n\n /**\n * get alternate subtitle tracks list from playlist\n * @type {SubtitleTrack[]}\n */\n // todo(typescript-subtitleTrackController)\n get subtitleTracks (): any[] {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleTracks : [];\n }\n\n /**\n * index of the selected subtitle track (index in subtitle track lists)\n * @type {number}\n */\n get subtitleTrack (): number {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleTrack : -1;\n }\n\n /**\n * select an subtitle track, based on its index in subtitle track lists\n * @type {number}\n */\n set subtitleTrack (subtitleTrackId: number) {\n const subtitleTrackController = this.subtitleTrackController;\n if (subtitleTrackController) {\n subtitleTrackController.subtitleTrack = subtitleTrackId;\n }\n }\n\n /**\n * @type {boolean}\n */\n get subtitleDisplay (): boolean {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleDisplay : false;\n }\n\n /**\n * Enable/disable subtitle display rendering\n * @type {boolean}\n */\n set subtitleDisplay (value: boolean) {\n const subtitleTrackController = this.subtitleTrackController;\n if (subtitleTrackController) {\n subtitleTrackController.subtitleDisplay = value;\n }\n }\n}\n","import { getMediaSource } from './utils/mediasource-helper';\n\nexport function isSupported (): boolean {\n const mediaSource = getMediaSource();\n if (!mediaSource) {\n return false;\n }\n const sourceBuffer = self.SourceBuffer || (self as any).WebKitSourceBuffer as SourceBuffer;\n const isTypeSupported = mediaSource &&\n typeof mediaSource.isTypeSupported === 'function' &&\n mediaSource.isTypeSupported('video/mp4; codecs=\"avc1.42E01E,mp4a.40.2\"');\n\n // if SourceBuffer is exposed ensure its API is valid\n // safari and old version of Chrome doe not expose SourceBuffer globally so checking SourceBuffer.prototype is impossible\n const sourceBufferValidAPI = !sourceBuffer ||\n (sourceBuffer.prototype &&\n typeof sourceBuffer.prototype.appendBuffer === 'function' &&\n typeof sourceBuffer.prototype.remove === 'function');\n return !!isTypeSupported && !!sourceBufferValidAPI;\n}\n"],"sourceRoot":""} \ No newline at end of file diff --git a/dist/hls.min.js b/dist/hls.min.js index d4fe64e6a40..770d9a8d222 100644 --- a/dist/hls.min.js +++ b/dist/hls.min.js @@ -1,2 +1,2 @@ -"undefined"!=typeof window&&function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.Hls=t():e.Hls=t()}(this,(function(){return function(e){var t={};function r(i){if(t[i])return t[i].exports;var a=t[i]={i:i,l:!1,exports:{}};return e[i].call(a.exports,a,a.exports,r),a.l=!0,a.exports}return r.m=e,r.c=t,r.d=function(e,t,i){r.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:i})},r.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.t=function(e,t){if(1&t&&(e=r(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var i=Object.create(null);if(r.r(i),Object.defineProperty(i,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var a in e)r.d(i,a,function(t){return e[t]}.bind(null,a));return i},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},r.p="/dist/",r(r.s=13)}([function(e,t,r){"use strict";r.d(t,"a",(function(){return u})),r.d(t,"b",(function(){return c}));var i=r(5);function a(){}var n={trace:a,debug:a,log:a,warn:a,info:a,error:a},s=n;function o(e,t){return t="["+e+"] > "+t}var l=Object(i.a)();function d(e){var t=l.console[e];return t?function(){for(var r=arguments.length,i=new Array(r),a=0;a<r;a++)i[a]=arguments[a];i[0]&&(i[0]=o(e,i[0])),t.apply(l.console,i)}:a}var u=function(e){if(l.console&&!0===e||"object"==typeof e){!function(e){for(var t=arguments.length,r=new Array(t>1?t-1:0),i=1;i<t;i++)r[i-1]=arguments[i];r.forEach((function(t){s[t]=e[t]?e[t].bind(e):d(t)}))}(e,"debug","log","info","warn","error");try{s.log()}catch(e){s=n}}else s=n},c=s},function(e,t,r){"use strict";var i,a=((i={MEDIA_ATTACHING:"hlsMediaAttaching",MEDIA_ATTACHED:"hlsMediaAttached",MEDIA_DETACHING:"hlsMediaDetaching",MEDIA_DETACHED:"hlsMediaDetached",BUFFER_RESET:"hlsBufferReset",BUFFER_CODECS:"hlsBufferCodecs",BUFFER_CREATED:"hlsBufferCreated",BUFFER_APPENDING:"hlsBufferAppending",BUFFER_APPENDED:"hlsBufferAppended",BUFFER_EOS:"hlsBufferEos",BUFFER_FLUSHING:"hlsBufferFlushing",BUFFER_FLUSHED:"hlsBufferFlushed",MANIFEST_LOADING:"hlsManifestLoading",MANIFEST_LOADED:"hlsManifestLoaded",MANIFEST_PARSED:"hlsManifestParsed",LEVEL_SWITCHING:"hlsLevelSwitching",LEVEL_SWITCHED:"hlsLevelSwitched",LEVEL_LOADING:"hlsLevelLoading",LEVEL_LOADED:"hlsLevelLoaded",LEVEL_UPDATED:"hlsLevelUpdated",LEVEL_PTS_UPDATED:"hlsLevelPtsUpdated",LIVE_BACK_BUFFER_REACHED:"hlsLiveBackBufferReached",AUDIO_TRACKS_UPDATED:"hlsAudioTracksUpdated",AUDIO_TRACK_SWITCHING:"hlsAudioTrackSwitching",AUDIO_TRACK_SWITCHED:"hlsAudioTrackSwitched",AUDIO_TRACK_LOADING:"hlsAudioTrackLoading",AUDIO_TRACK_LOADED:"hlsAudioTrackLoaded",SUBTITLE_TRACKS_UPDATED:"hlsSubtitleTracksUpdated",SUBTITLE_TRACK_SWITCH:"hlsSubtitleTrackSwitch",SUBTITLE_TRACK_LOADING:"hlsSubtitleTrackLoading",SUBTITLE_TRACK_LOADED:"hlsSubtitleTrackLoaded",SUBTITLE_FRAG_PROCESSED:"hlsSubtitleFragProcessed",INIT_PTS_FOUND:"hlsInitPtsFound",FRAG_LOADING:"hlsFragLoading",FRAG_LOAD_PROGRESS:"hlsFragLoadProgress",FRAG_LOAD_EMERGENCY_ABORTED:"hlsFragLoadEmergencyAborted",FRAG_LOADED:"hlsFragLoaded",FRAG_DECRYPTED:"hlsFragDecrypted",FRAG_PARSING_INIT_SEGMENT:"hlsFragParsingInitSegment",FRAG_PARSING_USERDATA:"hlsFragParsingUserdata",FRAG_PARSING_METADATA:"hlsFragParsingMetadata",FRAG_PARSING_DATA:"hlsFragParsingData",FRAG_PARSED:"hlsFragParsed",FRAG_BUFFERED:"hlsFragBuffered",FRAG_CHANGED:"hlsFragChanged",FPS_DROP:"hlsFpsDrop",FPS_DROP_LEVEL_CAPPING:"hlsFpsDropLevelCapping",ERROR:"hlsError",DESTROYING:"hlsDestroying",KEY_LOADING:"hlsKeyLoading",KEY_LOADED:"hlsKeyLoaded",STREAM_STATE_TRANSITION:"hlsStreamStateTransition"}).LIVE_BACK_BUFFER_REACHED="hlsLiveBackBufferReached",i.CAN_PLAY_AFTER_SEEK="hlsCanPlayAfterSeek",i);t.a=a},function(e,t,r){"use strict";var i,a;r.d(t,"b",(function(){return i})),r.d(t,"a",(function(){return a})),function(e){e.NETWORK_ERROR="networkError",e.MEDIA_ERROR="mediaError",e.KEY_SYSTEM_ERROR="keySystemError",e.MUX_ERROR="muxError",e.OTHER_ERROR="otherError"}(i||(i={})),function(e){e.KEY_SYSTEM_NO_KEYS="keySystemNoKeys",e.KEY_SYSTEM_NO_ACCESS="keySystemNoAccess",e.KEY_SYSTEM_NO_SESSION="keySystemNoSession",e.KEY_SYSTEM_LICENSE_REQUEST_FAILED="keySystemLicenseRequestFailed",e.KEY_SYSTEM_NO_INIT_DATA="keySystemNoInitData",e.MANIFEST_LOAD_ERROR="manifestLoadError",e.MANIFEST_LOAD_TIMEOUT="manifestLoadTimeOut",e.MANIFEST_PARSING_ERROR="manifestParsingError",e.MANIFEST_INCOMPATIBLE_CODECS_ERROR="manifestIncompatibleCodecsError",e.LEVEL_LOAD_ERROR="levelLoadError",e.LEVEL_LOAD_TIMEOUT="levelLoadTimeOut",e.LEVEL_SWITCH_ERROR="levelSwitchError",e.AUDIO_TRACK_LOAD_ERROR="audioTrackLoadError",e.AUDIO_TRACK_LOAD_TIMEOUT="audioTrackLoadTimeOut",e.FRAG_LOAD_ERROR="fragLoadError",e.FRAG_LOAD_TIMEOUT="fragLoadTimeOut",e.FRAG_DECRYPT_ERROR="fragDecryptError",e.FRAG_PARSING_ERROR="fragParsingError",e.REMUX_ALLOC_ERROR="remuxAllocError",e.KEY_LOAD_ERROR="keyLoadError",e.KEY_LOAD_TIMEOUT="keyLoadTimeOut",e.BUFFER_ADD_CODEC_ERROR="bufferAddCodecError",e.BUFFER_APPEND_ERROR="bufferAppendError",e.BUFFER_APPENDING_ERROR="bufferAppendingError",e.BUFFER_STALLED_ERROR="bufferStalledError",e.BUFFER_FULL_ERROR="bufferFullError",e.BUFFER_SEEK_OVER_HOLE="bufferSeekOverHole",e.BUFFER_NUDGE_ON_STALL="bufferNudgeOnStall",e.INTERNAL_EXCEPTION="internalException"}(a||(a={}))},function(e,t,r){"use strict";r.d(t,"a",(function(){return i}));var i=Number.isFinite||function(e){return"number"==typeof e&&isFinite(e)}},function(e,t,r){"use strict";r.d(t,"b",(function(){return o}));var i,a=r(5),n=function(){function e(){}return e.isHeader=function(e,t){return t+10<=e.length&&73===e[t]&&68===e[t+1]&&51===e[t+2]&&e[t+3]<255&&e[t+4]<255&&e[t+6]<128&&e[t+7]<128&&e[t+8]<128&&e[t+9]<128},e.isFooter=function(e,t){return t+10<=e.length&&51===e[t]&&68===e[t+1]&&73===e[t+2]&&e[t+3]<255&&e[t+4]<255&&e[t+6]<128&&e[t+7]<128&&e[t+8]<128&&e[t+9]<128},e.getID3Data=function(t,r){for(var i=r,a=0;e.isHeader(t,r);){a+=10,a+=e._readSize(t,r+6),e.isFooter(t,r+10)&&(a+=10),r+=a}if(a>0)return t.subarray(i,i+a)},e._readSize=function(e,t){var r=0;return r=(127&e[t])<<21,r|=(127&e[t+1])<<14,r|=(127&e[t+2])<<7,r|=127&e[t+3]},e.getTimeStamp=function(t){for(var r=e.getID3Frames(t),i=0;i<r.length;i++){var a=r[i];if(e.isTimeStampFrame(a))return e._readTimeStamp(a)}},e.isTimeStampFrame=function(e){return e&&"PRIV"===e.key&&"com.apple.streaming.transportStreamTimestamp"===e.info},e._getFrameData=function(t){var r=String.fromCharCode(t[0],t[1],t[2],t[3]),i=e._readSize(t,4);return{type:r,size:i,data:t.subarray(10,10+i)}},e.getID3Frames=function(t){for(var r=0,i=[];e.isHeader(t,r);){for(var a=e._readSize(t,r+6),n=(r+=10)+a;r+8<n;){var s=e._getFrameData(t.subarray(r)),o=e._decodeFrame(s);o&&i.push(o),r+=s.size+10}e.isFooter(t,r)&&(r+=10)}return i},e._decodeFrame=function(t){return"PRIV"===t.type?e._decodePrivFrame(t):"T"===t.type[0]?e._decodeTextFrame(t):"W"===t.type[0]?e._decodeURLFrame(t):void 0},e._readTimeStamp=function(e){if(8===e.data.byteLength){var t=new Uint8Array(e.data),r=1&t[3],i=(t[4]<<23)+(t[5]<<15)+(t[6]<<7)+t[7];return i/=45,r&&(i+=47721858.84),Math.round(i)}},e._decodePrivFrame=function(t){if(!(t.size<2)){var r=e._utf8ArrayToStr(t.data,!0),i=new Uint8Array(t.data.subarray(r.length+1));return{key:t.type,info:r,data:i.buffer}}},e._decodeTextFrame=function(t){if(!(t.size<2)){if("TXXX"===t.type){var r=1,i=e._utf8ArrayToStr(t.data.subarray(r),!0);r+=i.length+1;var a=e._utf8ArrayToStr(t.data.subarray(r));return{key:t.type,info:i,data:a}}var n=e._utf8ArrayToStr(t.data.subarray(1));return{key:t.type,data:n}}},e._decodeURLFrame=function(t){if("WXXX"===t.type){if(t.size<2)return;var r=1,i=e._utf8ArrayToStr(t.data.subarray(r));r+=i.length+1;var a=e._utf8ArrayToStr(t.data.subarray(r));return{key:t.type,info:i,data:a}}var n=e._utf8ArrayToStr(t.data);return{key:t.type,data:n}},e._utf8ArrayToStr=function(e,t){void 0===t&&(t=!1);var r=s();if(r){var i=r.decode(e);if(t){var a=i.indexOf("\0");return-1!==a?i.substring(0,a):i}return i.replace(/\0/g,"")}for(var n,o,l,d=e.length,u="",c=0;c<d;){if(0===(n=e[c++])&&t)return u;if(0!==n&&3!==n)switch(n>>4){case 0:case 1:case 2:case 3:case 4:case 5:case 6:case 7:u+=String.fromCharCode(n);break;case 12:case 13:o=e[c++],u+=String.fromCharCode((31&n)<<6|63&o);break;case 14:o=e[c++],l=e[c++],u+=String.fromCharCode((15&n)<<12|(63&o)<<6|(63&l)<<0)}}return u},e}();function s(){var e=Object(a.a)();return i||void 0===e.TextDecoder||(i=new e.TextDecoder("utf-8")),i}var o=n._utf8ArrayToStr;t.a=n},function(e,t,r){"use strict";function i(){return"undefined"==typeof window?self:window}r.d(t,"a",(function(){return i}))},function(e,t,r){var i,a,n,s,o;i=/^((?:[a-zA-Z0-9+\-.]+:)?)(\/\/[^\/?#]*)?((?:[^\/\?#]*\/)*.*?)??(;.*?)?(\?.*?)?(#.*?)?$/,a=/^([^\/?#]*)(.*)$/,n=/(?:\/|^)\.(?=\/)/g,s=/(?:\/|^)\.\.\/(?!\.\.\/).*?(?=\/)/g,o={buildAbsoluteURL:function(e,t,r){if(r=r||{},e=e.trim(),!(t=t.trim())){if(!r.alwaysNormalize)return e;var i=o.parseURL(e);if(!i)throw new Error("Error trying to parse base URL.");return i.path=o.normalizePath(i.path),o.buildURLFromParts(i)}var n=o.parseURL(t);if(!n)throw new Error("Error trying to parse relative URL.");if(n.scheme)return r.alwaysNormalize?(n.path=o.normalizePath(n.path),o.buildURLFromParts(n)):t;var s=o.parseURL(e);if(!s)throw new Error("Error trying to parse base URL.");if(!s.netLoc&&s.path&&"/"!==s.path[0]){var l=a.exec(s.path);s.netLoc=l[1],s.path=l[2]}s.netLoc&&!s.path&&(s.path="/");var d={scheme:s.scheme,netLoc:n.netLoc,path:null,params:n.params,query:n.query,fragment:n.fragment};if(!n.netLoc&&(d.netLoc=s.netLoc,"/"!==n.path[0]))if(n.path){var u=s.path,c=u.substring(0,u.lastIndexOf("/")+1)+n.path;d.path=o.normalizePath(c)}else d.path=s.path,n.params||(d.params=s.params,n.query||(d.query=s.query));return null===d.path&&(d.path=r.alwaysNormalize?o.normalizePath(n.path):n.path),o.buildURLFromParts(d)},parseURL:function(e){var t=i.exec(e);return t?{scheme:t[1]||"",netLoc:t[2]||"",path:t[3]||"",params:t[4]||"",query:t[5]||"",fragment:t[6]||""}:null},normalizePath:function(e){for(e=e.split("").reverse().join("").replace(n,"");e.length!==(e=e.replace(s,"")).length;);return e.split("").reverse().join("")},buildURLFromParts:function(e){return e.scheme+e.netLoc+e.path+e.params+e.query+e.fragment}},e.exports=o},function(e,t,r){"use strict";var i=function(){function e(e,t){this.subtle=e,this.aesIV=t}return e.prototype.decrypt=function(e,t){return this.subtle.decrypt({name:"AES-CBC",iv:this.aesIV},t,e)},e}(),a=function(){function e(e,t){this.subtle=e,this.key=t}return e.prototype.expandKey=function(){return this.subtle.importKey("raw",this.key,{name:"AES-CBC"},!1,["encrypt","decrypt"])},e}();var n=function(){function e(){this.rcon=[0,1,2,4,8,16,32,64,128,27,54],this.subMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.invSubMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.sBox=new Uint32Array(256),this.invSBox=new Uint32Array(256),this.key=new Uint32Array(0),this.initTable()}var t=e.prototype;return t.uint8ArrayToUint32Array_=function(e){for(var t=new DataView(e),r=new Uint32Array(4),i=0;i<4;i++)r[i]=t.getUint32(4*i);return r},t.initTable=function(){var e=this.sBox,t=this.invSBox,r=this.subMix,i=r[0],a=r[1],n=r[2],s=r[3],o=this.invSubMix,l=o[0],d=o[1],u=o[2],c=o[3],h=new Uint32Array(256),f=0,g=0,p=0;for(p=0;p<256;p++)h[p]=p<128?p<<1:p<<1^283;for(p=0;p<256;p++){var v=g^g<<1^g<<2^g<<3^g<<4;v=v>>>8^255&v^99,e[f]=v,t[v]=f;var m=h[f],y=h[m],b=h[y],T=257*h[v]^16843008*v;i[f]=T<<24|T>>>8,a[f]=T<<16|T>>>16,n[f]=T<<8|T>>>24,s[f]=T,T=16843009*b^65537*y^257*m^16843008*f,l[v]=T<<24|T>>>8,d[v]=T<<16|T>>>16,u[v]=T<<8|T>>>24,c[v]=T,f?(f=m^h[h[h[b^m]]],g^=h[h[g]]):f=g=1}},t.expandKey=function(e){for(var t=this.uint8ArrayToUint32Array_(e),r=!0,i=0;i<t.length&&r;)r=t[i]===this.key[i],i++;if(!r){this.key=t;var a=this.keySize=t.length;if(4!==a&&6!==a&&8!==a)throw new Error("Invalid aes key size="+a);var n,s,o,l,d=this.ksRows=4*(a+6+1),u=this.keySchedule=new Uint32Array(d),c=this.invKeySchedule=new Uint32Array(d),h=this.sBox,f=this.rcon,g=this.invSubMix,p=g[0],v=g[1],m=g[2],y=g[3];for(n=0;n<d;n++)n<a?o=u[n]=t[n]:(l=o,n%a==0?(l=h[(l=l<<8|l>>>24)>>>24]<<24|h[l>>>16&255]<<16|h[l>>>8&255]<<8|h[255&l],l^=f[n/a|0]<<24):a>6&&n%a==4&&(l=h[l>>>24]<<24|h[l>>>16&255]<<16|h[l>>>8&255]<<8|h[255&l]),u[n]=o=(u[n-a]^l)>>>0);for(s=0;s<d;s++)n=d-s,l=3&s?u[n]:u[n-4],c[s]=s<4||n<=4?l:p[h[l>>>24]]^v[h[l>>>16&255]]^m[h[l>>>8&255]]^y[h[255&l]],c[s]=c[s]>>>0}},t.networkToHostOrderSwap=function(e){return e<<24|(65280&e)<<8|(16711680&e)>>8|e>>>24},t.decrypt=function(e,t,r,i){for(var a,n,s,o,l,d,u,c,h,f,g,p,v,m,y,b,T,E=this.keySize+6,S=this.invKeySchedule,_=this.invSBox,A=this.invSubMix,R=A[0],k=A[1],w=A[2],L=A[3],D=this.uint8ArrayToUint32Array_(r),C=D[0],I=D[1],O=D[2],P=D[3],x=new Int32Array(e),M=new Int32Array(x.length),F=this.networkToHostOrderSwap;t<x.length;){for(h=F(x[t]),f=F(x[t+1]),g=F(x[t+2]),p=F(x[t+3]),l=h^S[0],d=p^S[1],u=g^S[2],c=f^S[3],v=4,m=1;m<E;m++)a=R[l>>>24]^k[d>>16&255]^w[u>>8&255]^L[255&c]^S[v],n=R[d>>>24]^k[u>>16&255]^w[c>>8&255]^L[255&l]^S[v+1],s=R[u>>>24]^k[c>>16&255]^w[l>>8&255]^L[255&d]^S[v+2],o=R[c>>>24]^k[l>>16&255]^w[d>>8&255]^L[255&u]^S[v+3],l=a,d=n,u=s,c=o,v+=4;a=_[l>>>24]<<24^_[d>>16&255]<<16^_[u>>8&255]<<8^_[255&c]^S[v],n=_[d>>>24]<<24^_[u>>16&255]<<16^_[c>>8&255]<<8^_[255&l]^S[v+1],s=_[u>>>24]<<24^_[c>>16&255]<<16^_[l>>8&255]<<8^_[255&d]^S[v+2],o=_[c>>>24]<<24^_[l>>16&255]<<16^_[d>>8&255]<<8^_[255&u]^S[v+3],v+=3,M[t]=F(a^C),M[t+1]=F(o^I),M[t+2]=F(s^O),M[t+3]=F(n^P),C=h,I=f,O=g,P=p,t+=4}return i?(y=M.buffer,b=y.byteLength,(T=b&&new DataView(y).getUint8(b-1))?y.slice(0,b-T):y):M.buffer},t.destroy=function(){this.key=void 0,this.keySize=void 0,this.ksRows=void 0,this.sBox=void 0,this.invSBox=void 0,this.subMix=void 0,this.invSubMix=void 0,this.keySchedule=void 0,this.invKeySchedule=void 0,this.rcon=void 0},e}(),s=r(2),o=r(0),l=r(1),d=r(5),u=Object(d.a)(),c=function(){function e(e,t,r){var i=(void 0===r?{}:r).removePKCS7Padding,a=void 0===i||i;if(this.logEnabled=!0,this.observer=e,this.config=t,this.removePKCS7Padding=a,a)try{var n=u.crypto;n&&(this.subtle=n.subtle||n.webkitSubtle)}catch(e){}this.disableWebCrypto=!this.subtle}var t=e.prototype;return t.isSync=function(){return this.disableWebCrypto&&this.config.enableSoftwareAES},t.decrypt=function(e,t,r,s){var l=this;if(this.disableWebCrypto&&this.config.enableSoftwareAES){this.logEnabled&&(o.b.log("JS AES decrypt"),this.logEnabled=!1);var d=this.decryptor;d||(this.decryptor=d=new n),d.expandKey(t),s(d.decrypt(e,0,r,this.removePKCS7Padding))}else{this.logEnabled&&(o.b.log("WebCrypto AES decrypt"),this.logEnabled=!1);var u=this.subtle;this.key!==t&&(this.key=t,this.fastAesKey=new a(u,t)),this.fastAesKey.expandKey().then((function(a){new i(u,r).decrypt(e,a).catch((function(i){l.onWebCryptoError(i,e,t,r,s)})).then((function(e){s(e)}))})).catch((function(i){l.onWebCryptoError(i,e,t,r,s)}))}},t.onWebCryptoError=function(e,t,r,i,a){this.config.enableSoftwareAES?(o.b.log("WebCrypto Error, disable WebCrypto API"),this.disableWebCrypto=!0,this.logEnabled=!0,this.decrypt(t,r,i,a)):(o.b.error("decrypting error : "+e.message),this.observer.trigger(l.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.FRAG_DECRYPT_ERROR,fatal:!0,reason:e.message}))},t.destroy=function(){var e=this.decryptor;e&&(e.destroy(),this.decryptor=void 0)},e}();t.a=c},function(e,t,r){"use strict";var i=Object.prototype.hasOwnProperty,a="~";function n(){}function s(e,t,r){this.fn=e,this.context=t,this.once=r||!1}function o(e,t,r,i,n){if("function"!=typeof r)throw new TypeError("The listener must be a function");var o=new s(r,i||e,n),l=a?a+t:t;return e._events[l]?e._events[l].fn?e._events[l]=[e._events[l],o]:e._events[l].push(o):(e._events[l]=o,e._eventsCount++),e}function l(e,t){0==--e._eventsCount?e._events=new n:delete e._events[t]}function d(){this._events=new n,this._eventsCount=0}Object.create&&(n.prototype=Object.create(null),(new n).__proto__||(a=!1)),d.prototype.eventNames=function(){var e,t,r=[];if(0===this._eventsCount)return r;for(t in e=this._events)i.call(e,t)&&r.push(a?t.slice(1):t);return Object.getOwnPropertySymbols?r.concat(Object.getOwnPropertySymbols(e)):r},d.prototype.listeners=function(e){var t=a?a+e:e,r=this._events[t];if(!r)return[];if(r.fn)return[r.fn];for(var i=0,n=r.length,s=new Array(n);i<n;i++)s[i]=r[i].fn;return s},d.prototype.listenerCount=function(e){var t=a?a+e:e,r=this._events[t];return r?r.fn?1:r.length:0},d.prototype.emit=function(e,t,r,i,n,s){var o=a?a+e:e;if(!this._events[o])return!1;var l,d,u=this._events[o],c=arguments.length;if(u.fn){switch(u.once&&this.removeListener(e,u.fn,void 0,!0),c){case 1:return u.fn.call(u.context),!0;case 2:return u.fn.call(u.context,t),!0;case 3:return u.fn.call(u.context,t,r),!0;case 4:return u.fn.call(u.context,t,r,i),!0;case 5:return u.fn.call(u.context,t,r,i,n),!0;case 6:return u.fn.call(u.context,t,r,i,n,s),!0}for(d=1,l=new Array(c-1);d<c;d++)l[d-1]=arguments[d];u.fn.apply(u.context,l)}else{var h,f=u.length;for(d=0;d<f;d++)switch(u[d].once&&this.removeListener(e,u[d].fn,void 0,!0),c){case 1:u[d].fn.call(u[d].context);break;case 2:u[d].fn.call(u[d].context,t);break;case 3:u[d].fn.call(u[d].context,t,r);break;case 4:u[d].fn.call(u[d].context,t,r,i);break;default:if(!l)for(h=1,l=new Array(c-1);h<c;h++)l[h-1]=arguments[h];u[d].fn.apply(u[d].context,l)}}return!0},d.prototype.on=function(e,t,r){return o(this,e,t,r,!1)},d.prototype.once=function(e,t,r){return o(this,e,t,r,!0)},d.prototype.removeListener=function(e,t,r,i){var n=a?a+e:e;if(!this._events[n])return this;if(!t)return l(this,n),this;var s=this._events[n];if(s.fn)s.fn!==t||i&&!s.once||r&&s.context!==r||l(this,n);else{for(var o=0,d=[],u=s.length;o<u;o++)(s[o].fn!==t||i&&!s[o].once||r&&s[o].context!==r)&&d.push(s[o]);d.length?this._events[n]=1===d.length?d[0]:d:l(this,n)}return this},d.prototype.removeAllListeners=function(e){var t;return e?(t=a?a+e:e,this._events[t]&&l(this,t)):(this._events=new n,this._eventsCount=0),this},d.prototype.off=d.prototype.removeListener,d.prototype.addListener=d.prototype.on,d.prefixed=a,d.EventEmitter=d,e.exports=d},function(e,t,r){"use strict";var i=r(1),a=r(2),n=r(7),s=r(3),o=r(0),l=r(5);function d(e,t){return 255===e[t]&&240==(246&e[t+1])}function u(e,t){return 1&e[t+1]?7:9}function c(e,t){return(3&e[t+3])<<11|e[t+4]<<3|(224&e[t+5])>>>5}function h(e,t){return!!(t+1<e.length&&d(e,t))}function f(e,t){if(h(e,t)){var r=u(e,t);t+5<e.length&&(r=c(e,t));var i=t+r;if(i===e.length||i+1<e.length&&d(e,i))return!0}return!1}function g(e,t,r,n,s){if(!e.samplerate){var l=function(e,t,r,n){var s,l,d,u,c,h=navigator.userAgent.toLowerCase(),f=n,g=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350];if(s=1+((192&t[r+2])>>>6),!((l=(60&t[r+2])>>>2)>g.length-1))return u=(1&t[r+2])<<2,u|=(192&t[r+3])>>>6,o.b.log("manifest codec:"+n+",ADTS data:type:"+s+",sampleingIndex:"+l+"["+g[l]+"Hz],channelConfig:"+u),/firefox/i.test(h)?l>=6?(s=5,c=new Array(4),d=l-3):(s=2,c=new Array(2),d=l):-1!==h.indexOf("android")?(s=2,c=new Array(2),d=l):(s=5,c=new Array(4),n&&(-1!==n.indexOf("mp4a.40.29")||-1!==n.indexOf("mp4a.40.5"))||!n&&l>=6?d=l-3:((n&&-1!==n.indexOf("mp4a.40.2")&&(l>=6&&1===u||/vivaldi/i.test(h))||!n&&1===u)&&(s=2,c=new Array(2)),d=l)),c[0]=s<<3,c[0]|=(14&l)>>1,c[1]|=(1&l)<<7,c[1]|=u<<3,5===s&&(c[1]|=(14&d)>>1,c[2]=(1&d)<<7,c[2]|=8,c[3]=0),{config:c,samplerate:g[l],channelCount:u,codec:"mp4a.40."+s,manifestCodec:f};e.trigger(i.a.ERROR,{type:a.b.MEDIA_ERROR,details:a.a.FRAG_PARSING_ERROR,fatal:!0,reason:"invalid ADTS sampling index:"+l})}(t,r,n,s);e.config=l.config,e.samplerate=l.samplerate,e.channelCount=l.channelCount,e.codec=l.codec,e.manifestCodec=l.manifestCodec,o.b.log("parsed codec:"+e.codec+",rate:"+l.samplerate+",nb channel:"+l.channelCount)}}function p(e){return 9216e4/e}function v(e,t,r,i,a){var n=function(e,t,r,i,a){var n,s,o=e.length;if(n=u(e,t),s=c(e,t),(s-=n)>0&&t+n+s<=o)return{headerLength:n,frameLength:s,stamp:r+i*a}}(t,r,i,a,p(e.samplerate));if(n){var s=n.stamp,o=n.headerLength,l=n.frameLength,d={unit:t.subarray(r+o,r+o+l),pts:s,dts:s};return e.samples.push(d),{sample:d,length:l+o}}}var m=r(4),y=function(){function e(e,t,r){this.observer=e,this.config=r,this.remuxer=t}var t=e.prototype;return t.resetInitSegment=function(e,t,r,i){this._audioTrack={container:"audio/adts",type:"audio",id:0,sequenceNumber:0,isAAC:!0,samples:[],len:0,manifestCodec:t,duration:i,inputTimeScale:9e4}},t.resetTimeStamp=function(){},e.probe=function(e){if(!e)return!1;for(var t=(m.a.getID3Data(e,0)||[]).length,r=e.length;t<r;t++)if(f(e,t))return o.b.log("ADTS sync word found !"),!0;return!1},t.append=function(e,t,r,i){for(var a=this._audioTrack,n=m.a.getID3Data(e,0)||[],l=m.a.getTimeStamp(n),d=Object(s.a)(l)?90*l:9e4*t,u=0,c=d,f=e.length,p=n.length,y=[{pts:c,dts:c,data:n}];p<f-1;)if(h(e,p)&&p+5<f){g(a,this.observer,e,p,a.manifestCodec);var b=v(a,e,p,d,u);if(!b){o.b.log("Unable to parse AAC frame");break}p+=b.length,c=b.sample.pts,u++}else m.a.isHeader(e,p)?(n=m.a.getID3Data(e,p),y.push({pts:c,dts:c,data:n}),p+=n.length):p++;this.remuxer.remux(a,{samples:[]},{samples:y,inputTimeScale:9e4},{samples:[]},t,r,i)},t.destroy=function(){},e}(),b=r(10),T={BitratesMap:[32,64,96,128,160,192,224,256,288,320,352,384,416,448,32,48,56,64,80,96,112,128,160,192,224,256,320,384,32,40,48,56,64,80,96,112,128,160,192,224,256,320,32,48,56,64,80,96,112,128,144,160,176,192,224,256,8,16,24,32,40,48,56,64,80,96,112,128,144,160],SamplingRateMap:[44100,48e3,32e3,22050,24e3,16e3,11025,12e3,8e3],SamplesCoefficients:[[0,72,144,12],[0,0,0,0],[0,72,144,12],[0,144,144,12]],BytesInSlot:[0,1,1,4],appendFrame:function(e,t,r,i,a){if(!(r+24>t.length)){var n=this.parseHeader(t,r);if(n&&r+n.frameLength<=t.length){var s=i+a*(9e4*n.samplesPerFrame/n.sampleRate),o={unit:t.subarray(r,r+n.frameLength),pts:s,dts:s};return e.config=[],e.channelCount=n.channelCount,e.samplerate=n.sampleRate,e.samples.push(o),{sample:o,length:n.frameLength}}}},parseHeader:function(e,t){var r=e[t+1]>>3&3,i=e[t+1]>>1&3,a=e[t+2]>>4&15,n=e[t+2]>>2&3,s=e[t+2]>>1&1;if(1!==r&&0!==a&&15!==a&&3!==n){var o=3===r?3-i:3===i?3:4,l=1e3*T.BitratesMap[14*o+a-1],d=3===r?0:2===r?1:2,u=T.SamplingRateMap[3*d+n],c=e[t+3]>>6==3?1:2,h=T.SamplesCoefficients[r][i],f=T.BytesInSlot[i],g=8*h*f;return{sampleRate:u,channelCount:c,frameLength:parseInt(h*l/u+s,10)*f,samplesPerFrame:g}}},isHeaderPattern:function(e,t){return 255===e[t]&&224==(224&e[t+1])&&0!=(6&e[t+1])},isHeader:function(e,t){return!!(t+1<e.length&&this.isHeaderPattern(e,t))},probe:function(e,t){if(t+1<e.length&&this.isHeaderPattern(e,t)){var r=this.parseHeader(e,t),i=4;r&&r.frameLength&&(i=r.frameLength);var a=t+i;if(a===e.length||a+1<e.length&&this.isHeaderPattern(e,a))return!0}return!1}},E=T,S=function(){function e(e){this.data=e,this.bytesAvailable=e.byteLength,this.word=0,this.bitsAvailable=0}var t=e.prototype;return t.loadWord=function(){var e=this.data,t=this.bytesAvailable,r=e.byteLength-t,i=new Uint8Array(4),a=Math.min(4,t);if(0===a)throw new Error("no bytes available");i.set(e.subarray(r,r+a)),this.word=new DataView(i.buffer).getUint32(0),this.bitsAvailable=8*a,this.bytesAvailable-=a},t.skipBits=function(e){var t;this.bitsAvailable>e?(this.word<<=e,this.bitsAvailable-=e):(e-=this.bitsAvailable,e-=(t=e>>3)>>3,this.bytesAvailable-=t,this.loadWord(),this.word<<=e,this.bitsAvailable-=e)},t.readBits=function(e){var t=Math.min(this.bitsAvailable,e),r=this.word>>>32-t;return e>32&&o.b.error("Cannot read more than 32 bits at a time"),this.bitsAvailable-=t,this.bitsAvailable>0?this.word<<=t:this.bytesAvailable>0&&this.loadWord(),(t=e-t)>0&&this.bitsAvailable?r<<t|this.readBits(t):r},t.skipLZ=function(){var e;for(e=0;e<this.bitsAvailable;++e)if(0!=(this.word&2147483648>>>e))return this.word<<=e,this.bitsAvailable-=e,e;return this.loadWord(),e+this.skipLZ()},t.skipUEG=function(){this.skipBits(1+this.skipLZ())},t.skipEG=function(){this.skipBits(1+this.skipLZ())},t.readUEG=function(){var e=this.skipLZ();return this.readBits(e+1)-1},t.readEG=function(){var e=this.readUEG();return 1&e?1+e>>>1:-1*(e>>>1)},t.readBoolean=function(){return 1===this.readBits(1)},t.readUByte=function(){return this.readBits(8)},t.readUShort=function(){return this.readBits(16)},t.readUInt=function(){return this.readBits(32)},t.skipScalingList=function(e){var t,r=8,i=8;for(t=0;t<e;t++)0!==i&&(i=(r+this.readEG()+256)%256),r=0===i?r:i},t.readSPS=function(){var e,t,r,i,a,n,s,o=0,l=0,d=0,u=0,c=this.readUByte.bind(this),h=this.readBits.bind(this),f=this.readUEG.bind(this),g=this.readBoolean.bind(this),p=this.skipBits.bind(this),v=this.skipEG.bind(this),m=this.skipUEG.bind(this),y=this.skipScalingList.bind(this);if(c(),e=c(),h(5),p(3),c(),m(),100===e||110===e||122===e||244===e||44===e||83===e||86===e||118===e||128===e){var b=f();if(3===b&&p(1),m(),m(),p(1),g())for(n=3!==b?8:12,s=0;s<n;s++)g()&&y(s<6?16:64)}m();var T=f();if(0===T)f();else if(1===T)for(p(1),v(),v(),t=f(),s=0;s<t;s++)v();m(),p(1),r=f(),i=f(),0===(a=h(1))&&p(1),p(1),g()&&(o=f(),l=f(),d=f(),u=f());var E=[1,1];if(g()&&g())switch(c()){case 1:E=[1,1];break;case 2:E=[12,11];break;case 3:E=[10,11];break;case 4:E=[16,11];break;case 5:E=[40,33];break;case 6:E=[24,11];break;case 7:E=[20,11];break;case 8:E=[32,11];break;case 9:E=[80,33];break;case 10:E=[18,11];break;case 11:E=[15,11];break;case 12:E=[64,33];break;case 13:E=[160,99];break;case 14:E=[4,3];break;case 15:E=[3,2];break;case 16:E=[2,1];break;case 255:E=[c()<<8|c(),c()<<8|c()]}return{width:Math.ceil(16*(r+1)-2*o-2*l),height:(2-a)*(i+1)*16-(a?2:4)*(d+u),pixelRatio:E}},t.readSliceType=function(){return this.readUByte(),this.readUEG(),this.readUEG()},e}(),_=function(){function e(e,t,r,i){this.decryptdata=r,this.discardEPB=i,this.decrypter=new n.a(e,t,{removePKCS7Padding:!1})}var t=e.prototype;return t.decryptBuffer=function(e,t){this.decrypter.decrypt(e,this.decryptdata.key.buffer,this.decryptdata.iv.buffer,t)},t.decryptAacSample=function(e,t,r,i){var a=e[t].unit,n=a.subarray(16,a.length-a.length%16),s=n.buffer.slice(n.byteOffset,n.byteOffset+n.length),o=this;this.decryptBuffer(s,(function(n){n=new Uint8Array(n),a.set(n,16),i||o.decryptAacSamples(e,t+1,r)}))},t.decryptAacSamples=function(e,t,r){for(;;t++){if(t>=e.length)return void r();if(!(e[t].unit.length<32)){var i=this.decrypter.isSync();if(this.decryptAacSample(e,t,r,i),!i)return}}},t.getAvcEncryptedData=function(e){for(var t=16*Math.floor((e.length-48)/160)+16,r=new Int8Array(t),i=0,a=32;a<=e.length-16;a+=160,i+=16)r.set(e.subarray(a,a+16),i);return r},t.getAvcDecryptedUnit=function(e,t){t=new Uint8Array(t);for(var r=0,i=32;i<=e.length-16;i+=160,r+=16)e.set(t.subarray(r,r+16),i);return e},t.decryptAvcSample=function(e,t,r,i,a,n){var s=this.discardEPB(a.data),o=this.getAvcEncryptedData(s),l=this;this.decryptBuffer(o.buffer,(function(o){a.data=l.getAvcDecryptedUnit(s,o),n||l.decryptAvcSamples(e,t,r+1,i)}))},t.decryptAvcSamples=function(e,t,r,i){for(;;t++,r=0){if(t>=e.length)return void i();for(var a=e[t].units;!(r>=a.length);r++){var n=a[r];if(!(n.length<=48||1!==n.type&&5!==n.type)){var s=this.decrypter.isSync();if(this.decryptAvcSample(e,t,r,i,n,s),!s)return}}}},e}(),A={video:1,audio:2,id3:3,text:4},R=function(){function e(e,t,r,i){this.observer=e,this.config=r,this.typeSupported=i,this.remuxer=t,this.sampleAes=null}var t=e.prototype;return t.setDecryptData=function(e){null!=e&&null!=e.key&&"SAMPLE-AES"===e.method?this.sampleAes=new _(this.observer,this.config,e,this.discardEPB):this.sampleAes=null},e.probe=function(t){var r=e._syncOffset(t);return!(r<0)&&(r&&o.b.warn("MPEG2-TS detected but first sync word found @ offset "+r+", junk ahead ?"),!0)},e._syncOffset=function(e){for(var t=Math.min(1e3,e.length-564),r=0;r<t;){if(71===e[r]&&71===e[r+188]&&71===e[r+376])return r;r++}return-1},e.createTrack=function(e,t){return{container:"video"===e||"audio"===e?"video/mp2t":void 0,type:e,id:A[e],pid:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],dropped:"video"===e?0:void 0,isAAC:"audio"===e||void 0,duration:"audio"===e?t:void 0}},t.resetInitSegment=function(t,r,i,a){this.pmtParsed=!1,this._pmtId=-1,this._avcTrack=e.createTrack("video",a),this._audioTrack=e.createTrack("audio",a),this._id3Track=e.createTrack("id3",a),this._txtTrack=e.createTrack("text",a),this.aacOverFlow=null,this.aacLastPTS=null,this.avcSample=null,this.audioCodec=r,this.videoCodec=i,this._duration=a},t.resetTimeStamp=function(){},t.append=function(t,r,n,s){var l,d,u,c,h,f=t.length,g=!1;this.contiguous=n;var p=this.pmtParsed,v=this._avcTrack,m=this._audioTrack,y=this._id3Track,b=v.pid,T=m.pid,E=y.pid,S=this._pmtId,_=v.pesData,A=m.pesData,R=y.pesData,k=this._parsePAT,w=this._parsePMT,L=this._parsePES,D=this._parseAVCPES.bind(this),C=this._parseAACPES.bind(this),I=this._parseMPEGPES.bind(this),O=this._parseID3PES.bind(this),P=e._syncOffset(t);for(f-=(f+P)%188,l=P;l<f;l+=188)if(71===t[l]){if(d=!!(64&t[l+1]),u=((31&t[l+1])<<8)+t[l+2],(48&t[l+3])>>4>1){if((c=l+5+t[l+4])===l+188)continue}else c=l+4;switch(u){case b:d&&(_&&(h=L(_))&&D(h,!1),_={data:[],size:0}),_&&(_.data.push(t.subarray(c,l+188)),_.size+=l+188-c);break;case T:d&&(A&&(h=L(A))&&(m.isAAC?C(h):I(h)),A={data:[],size:0}),A&&(A.data.push(t.subarray(c,l+188)),A.size+=l+188-c);break;case E:d&&(R&&(h=L(R))&&O(h),R={data:[],size:0}),R&&(R.data.push(t.subarray(c,l+188)),R.size+=l+188-c);break;case 0:d&&(c+=t[c]+1),S=this._pmtId=k(t,c);break;case S:d&&(c+=t[c]+1);var x=w(t,c,!0===this.typeSupported.mpeg||!0===this.typeSupported.mp3,null!=this.sampleAes);(b=x.avc)>0&&(v.pid=b),(T=x.audio)>0&&(m.pid=T,m.isAAC=x.isAAC),(E=x.id3)>0&&(y.pid=E),g&&!p&&(o.b.log("reparse from beginning"),g=!1,l=P-188),p=this.pmtParsed=!0;break;case 17:case 8191:break;default:g=!0}}else this.observer.trigger(i.a.ERROR,{type:a.b.MEDIA_ERROR,details:a.a.FRAG_PARSING_ERROR,fatal:!1,reason:"TS packet did not start with 0x47"});_&&(h=L(_))?(D(h,!0),v.pesData=null):v.pesData=_,A&&(h=L(A))?(m.isAAC?C(h):I(h),m.pesData=null):(A&&A.size&&o.b.log("last AAC PES packet truncated,might overlap between fragments"),m.pesData=A),R&&(h=L(R))?(O(h),y.pesData=null):y.pesData=R,null==this.sampleAes?this.remuxer.remux(m,v,y,this._txtTrack,r,n,s):this.decryptAndRemux(m,v,y,this._txtTrack,r,n,s)},t.decryptAndRemux=function(e,t,r,i,a,n,s){if(e.samples&&e.isAAC){var o=this;this.sampleAes.decryptAacSamples(e.samples,0,(function(){o.decryptAndRemuxAvc(e,t,r,i,a,n,s)}))}else this.decryptAndRemuxAvc(e,t,r,i,a,n,s)},t.decryptAndRemuxAvc=function(e,t,r,i,a,n,s){if(t.samples){var o=this;this.sampleAes.decryptAvcSamples(t.samples,0,0,(function(){o.remuxer.remux(e,t,r,i,a,n,s)}))}else this.remuxer.remux(e,t,r,i,a,n,s)},t.destroy=function(){this._initPTS=this._initDTS=void 0,this._duration=0},t._parsePAT=function(e,t){return(31&e[t+10])<<8|e[t+11]},t._parsePMT=function(e,t,r,i){var a,n,s={audio:-1,avc:-1,id3:-1,isAAC:!0};for(a=t+3+((15&e[t+1])<<8|e[t+2])-4,t+=12+((15&e[t+10])<<8|e[t+11]);t<a;){switch(n=(31&e[t+1])<<8|e[t+2],e[t]){case 207:if(!i){o.b.log("unknown stream type:"+e[t]);break}case 15:-1===s.audio&&(s.audio=n);break;case 21:-1===s.id3&&(s.id3=n);break;case 219:if(!i){o.b.log("unknown stream type:"+e[t]);break}case 27:-1===s.avc&&(s.avc=n);break;case 3:case 4:r?-1===s.audio&&(s.audio=n,s.isAAC=!1):o.b.log("MPEG audio found, not supported in this browser for now");break;case 36:o.b.warn("HEVC stream type found, not supported for now");break;default:o.b.log("unknown stream type:"+e[t])}t+=5+((15&e[t+3])<<8|e[t+4])}return s},t._parsePES=function(e){var t,r,i,a,n,s,l,d,u=0,c=e.data;if(!e||0===e.size)return null;for(;c[0].length<19&&c.length>1;){var h=new Uint8Array(c[0].length+c[1].length);h.set(c[0]),h.set(c[1],c[0].length),c[0]=h,c.splice(1,1)}if(1===((t=c[0])[0]<<16)+(t[1]<<8)+t[2]){if((i=(t[4]<<8)+t[5])&&i>e.size-6)return null;if(192&(r=t[7])&&((s=536870912*(14&t[9])+4194304*(255&t[10])+16384*(254&t[11])+128*(255&t[12])+(254&t[13])/2)>4294967295&&(s-=8589934592),64&r?((l=536870912*(14&t[14])+4194304*(255&t[15])+16384*(254&t[16])+128*(255&t[17])+(254&t[18])/2)>4294967295&&(l-=8589934592),s-l>54e5&&(o.b.warn(Math.round((s-l)/9e4)+"s delta between PTS and DTS, align them"),s=l)):l=s),d=(a=t[8])+9,e.size<=d)return null;e.size-=d,n=new Uint8Array(e.size);for(var f=0,g=c.length;f<g;f++){var p=(t=c[f]).byteLength;if(d){if(d>p){d-=p;continue}t=t.subarray(d),p-=d,d=0}n.set(t,u),u+=p}return i&&(i-=a+3),{data:n,pts:s,dts:l,len:i}}return null},t.pushAccesUnit=function(e,t){if(e.units.length&&e.frame){var r=t.samples,i=r.length;if(isNaN(e.pts)){if(!i)return void t.dropped++;var a=r[i-1];e.pts=a.pts,e.dts=a.dts}!this.config.forceKeyFrameOnDiscontinuity||!0===e.key||t.sps&&(i||this.contiguous)?(e.id=i,r.push(e)):t.dropped++}e.debug.length&&o.b.log(e.pts+"/"+e.dts+":"+e.debug)},t._parseAVCPES=function(e,t){var r,i,a,n=this,s=this._avcTrack,o=this._parseAVCNALu(e.data),l=this.avcSample,d=!1,u=this.pushAccesUnit.bind(this),c=function(e,t,r,i){return{key:e,pts:t,dts:r,units:[],debug:i}};e.data=null,l&&o.length&&!s.audFound&&(u(l,s),l=this.avcSample=c(!1,e.pts,e.dts,"")),o.forEach((function(t){switch(t.type){case 1:i=!0,l||(l=n.avcSample=c(!0,e.pts,e.dts,"")),l.frame=!0;var o=t.data;if(d&&o.length>4){var h=new S(o).readSliceType();2!==h&&4!==h&&7!==h&&9!==h||(l.key=!0)}break;case 5:i=!0,l||(l=n.avcSample=c(!0,e.pts,e.dts,"")),l.key=!0,l.frame=!0;break;case 6:i=!0,(r=new S(n.discardEPB(t.data))).readUByte();for(var f=0,g=0,p=!1,v=0;!p&&r.bytesAvailable>1;){f=0;do{f+=v=r.readUByte()}while(255===v);g=0;do{g+=v=r.readUByte()}while(255===v);if(4===f&&0!==r.bytesAvailable){if(p=!0,181===r.readUByte())if(49===r.readUShort())if(1195456820===r.readUInt())if(3===r.readUByte()){var y=r.readUByte(),b=31&y,T=[y,r.readUByte()];for(a=0;a<b;a++)T.push(r.readUByte()),T.push(r.readUByte()),T.push(r.readUByte());n._insertSampleInOrder(n._txtTrack.samples,{type:3,pts:e.pts,bytes:T})}}else if(5===f&&0!==r.bytesAvailable){if(p=!0,g>16){var E=[];for(a=0;a<16;a++)E.push(r.readUByte().toString(16)),3!==a&&5!==a&&7!==a&&9!==a||E.push("-");var _=g-16,A=new Uint8Array(_);for(a=0;a<_;a++)A[a]=r.readUByte();n._insertSampleInOrder(n._txtTrack.samples,{pts:e.pts,payloadType:f,uuid:E.join(""),userDataBytes:A,userData:Object(m.b)(A.buffer)})}}else if(g<r.bytesAvailable)for(a=0;a<g;a++)r.readUByte()}break;case 7:if(i=!0,d=!0,!s.sps){var R=(r=new S(t.data)).readSPS();s.width=R.width,s.height=R.height,s.pixelRatio=R.pixelRatio,s.sps=[t.data],s.duration=n._duration;var k=t.data.subarray(1,4),w="avc1.";for(a=0;a<3;a++){var L=k[a].toString(16);L.length<2&&(L="0"+L),w+=L}s.codec=w}break;case 8:i=!0,s.pps||(s.pps=[t.data]);break;case 9:i=!1,s.audFound=!0,l&&u(l,s),l=n.avcSample=c(!1,e.pts,e.dts,"");break;case 12:i=!1;break;default:i=!1,l&&(l.debug+="unknown NAL "+t.type+" ")}l&&i&&l.units.push(t)})),t&&l&&(u(l,s),this.avcSample=null)},t._insertSampleInOrder=function(e,t){var r=e.length;if(r>0){if(t.pts>=e[r-1].pts)e.push(t);else for(var i=r-1;i>=0;i--)if(t.pts<e[i].pts){e.splice(i,0,t);break}}else e.push(t)},t._getLastNalUnit=function(){var e,t=this.avcSample;if(!t||0===t.units.length){var r=this._avcTrack.samples;t=r[r.length-1]}if(t){var i=t.units;e=i[i.length-1]}return e},t._parseAVCNALu=function(e){var t,r,i,a,n=0,s=e.byteLength,o=this._avcTrack,l=o.naluState||0,d=l,u=[],c=-1;for(-1===l&&(c=0,a=31&e[0],l=0,n=1);n<s;)if(t=e[n++],l)if(1!==l)if(t)if(1===t){if(c>=0)i={data:e.subarray(c,n-l-1),type:a},u.push(i);else{var h=this._getLastNalUnit();if(h&&(d&&n<=4-d&&h.state&&(h.data=h.data.subarray(0,h.data.byteLength-d)),(r=n-l-1)>0)){var f=new Uint8Array(h.data.byteLength+r);f.set(h.data,0),f.set(e.subarray(0,r),h.data.byteLength),h.data=f}}n<s?(c=n,a=31&e[n],l=0):l=-1}else l=0;else l=3;else l=t?0:2;else l=t?0:1;if(c>=0&&l>=0&&(i={data:e.subarray(c,s),type:a,state:l},u.push(i)),0===u.length){var g=this._getLastNalUnit();if(g){var p=new Uint8Array(g.data.byteLength+e.byteLength);p.set(g.data,0),p.set(e,g.data.byteLength),g.data=p}}return o.naluState=l,u},t.discardEPB=function(e){for(var t,r,i=e.byteLength,a=[],n=1;n<i-2;)0===e[n]&&0===e[n+1]&&3===e[n+2]?(a.push(n+2),n+=2):n++;if(0===a.length)return e;t=i-a.length,r=new Uint8Array(t);var s=0;for(n=0;n<t;s++,n++)s===a[0]&&(s++,a.shift()),r[n]=e[s];return r},t._parseAACPES=function(e){var t,r,n,s,l,d,u,c=this._audioTrack,f=e.data,m=e.pts,y=this.aacOverFlow,b=this.aacLastPTS;if(y){var T=new Uint8Array(y.byteLength+f.byteLength);T.set(y,0),T.set(f,y.byteLength),f=T}for(n=0,l=f.length;n<l-1&&!h(f,n);n++);if(n&&(n<l-1?(d="AAC PES did not start with ADTS header,offset:"+n,u=!1):(d="no ADTS header found in AAC PES",u=!0),o.b.warn("parsing error:"+d),this.observer.trigger(i.a.ERROR,{type:a.b.MEDIA_ERROR,details:a.a.FRAG_PARSING_ERROR,fatal:u,reason:d}),u))return;if(g(c,this.observer,f,n,this.audioCodec),r=0,t=p(c.samplerate),y&&b){var E=b+t;Math.abs(E-m)>1&&(o.b.log("AAC: align PTS for overlapping frames by "+Math.round((E-m)/90)),m=E)}for(;n<l;){if(h(f,n)){if(n+5<l){var S=v(c,f,n,m,r);if(S){n+=S.length,s=S.sample.pts,r++;continue}}break}n++}y=n<l?f.subarray(n,l):null,this.aacOverFlow=y,this.aacLastPTS=s},t._parseMPEGPES=function(e){for(var t=e.data,r=t.length,i=0,a=0,n=e.pts;a<r;)if(E.isHeader(t,a)){var s=E.appendFrame(this._audioTrack,t,a,n,i);if(!s)break;a+=s.length,i++}else a++},t._parseID3PES=function(e){this._id3Track.samples.push(e)},e}(),k=function(){function e(e,t,r){this.observer=e,this.config=r,this.remuxer=t}var t=e.prototype;return t.resetInitSegment=function(e,t,r,i){this._audioTrack={container:"audio/mpeg",type:"audio",id:-1,sequenceNumber:0,isAAC:!1,samples:[],len:0,manifestCodec:t,duration:i,inputTimeScale:9e4}},t.resetTimeStamp=function(){},e.probe=function(e){var t,r,i=m.a.getID3Data(e,0);if(i&&void 0!==m.a.getTimeStamp(i))for(t=i.length,r=Math.min(e.length-1,t+100);t<r;t++)if(E.probe(e,t))return o.b.log("MPEG Audio sync word found !"),!0;return!1},t.append=function(e,t,r,i){for(var a=m.a.getID3Data(e,0),n=m.a.getTimeStamp(a),s=n?90*n:9e4*t,o=a.length,l=e.length,d=0,u=0,c=this._audioTrack,h=[{pts:s,dts:s,data:a}];o<l;)if(E.isHeader(e,o)){var f=E.appendFrame(c,e,o,s,d);if(!f)break;o+=f.length,u=f.sample.pts,d++}else m.a.isHeader(e,o)?(a=m.a.getID3Data(e,o),h.push({pts:u,dts:u,data:a}),o+=a.length):o++;this.remuxer.remux(c,{samples:[]},{samples:h,inputTimeScale:9e4},{samples:[]},t,r,i)},t.destroy=function(){},e}(),w=function(){function e(){}return e.getSilentFrame=function(e,t){switch(e){case"mp4a.40.2":if(1===t)return new Uint8Array([0,200,0,128,35,128]);if(2===t)return new Uint8Array([33,0,73,144,2,25,0,35,128]);if(3===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,142]);if(4===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,128,44,128,8,2,56]);if(5===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,56]);if(6===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,0,178,0,32,8,224]);break;default:if(1===t)return new Uint8Array([1,64,34,128,163,78,230,128,186,8,0,0,0,28,6,241,193,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(2===t)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(3===t)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94])}return null},e}(),L=Math.pow(2,32)-1,D=function(){function e(){}return e.init=function(){var t;for(t in e.types={avc1:[],avcC:[],btrt:[],dinf:[],dref:[],esds:[],ftyp:[],hdlr:[],mdat:[],mdhd:[],mdia:[],mfhd:[],minf:[],moof:[],moov:[],mp4a:[],".mp3":[],mvex:[],mvhd:[],pasp:[],sdtp:[],stbl:[],stco:[],stsc:[],stsd:[],stsz:[],stts:[],tfdt:[],tfhd:[],traf:[],trak:[],trun:[],trex:[],tkhd:[],vmhd:[],smhd:[]},e.types)e.types.hasOwnProperty(t)&&(e.types[t]=[t.charCodeAt(0),t.charCodeAt(1),t.charCodeAt(2),t.charCodeAt(3)]);var r=new Uint8Array([0,0,0,0,0,0,0,0,118,105,100,101,0,0,0,0,0,0,0,0,0,0,0,0,86,105,100,101,111,72,97,110,100,108,101,114,0]),i=new Uint8Array([0,0,0,0,0,0,0,0,115,111,117,110,0,0,0,0,0,0,0,0,0,0,0,0,83,111,117,110,100,72,97,110,100,108,101,114,0]);e.HDLR_TYPES={video:r,audio:i};var a=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),n=new Uint8Array([0,0,0,0,0,0,0,0]);e.STTS=e.STSC=e.STCO=n,e.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),e.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0]),e.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),e.STSD=new Uint8Array([0,0,0,0,0,0,0,1]);var s=new Uint8Array([105,115,111,109]),o=new Uint8Array([97,118,99,49]),l=new Uint8Array([0,0,0,1]);e.FTYP=e.box(e.types.ftyp,s,l,s,o),e.DINF=e.box(e.types.dinf,e.box(e.types.dref,a))},e.box=function(e){for(var t,r=Array.prototype.slice.call(arguments,1),i=8,a=r.length,n=a;a--;)i+=r[a].byteLength;for((t=new Uint8Array(i))[0]=i>>24&255,t[1]=i>>16&255,t[2]=i>>8&255,t[3]=255&i,t.set(e,4),a=0,i=8;a<n;a++)t.set(r[a],i),i+=r[a].byteLength;return t},e.hdlr=function(t){return e.box(e.types.hdlr,e.HDLR_TYPES[t])},e.mdat=function(t){return e.box(e.types.mdat,t)},e.mdhd=function(t,r){r*=t;var i=Math.floor(r/(L+1)),a=Math.floor(r%(L+1));return e.box(e.types.mdhd,new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,t>>24&255,t>>16&255,t>>8&255,255&t,i>>24,i>>16&255,i>>8&255,255&i,a>>24,a>>16&255,a>>8&255,255&a,85,196,0,0]))},e.mdia=function(t){return e.box(e.types.mdia,e.mdhd(t.timescale,t.duration),e.hdlr(t.type),e.minf(t))},e.mfhd=function(t){return e.box(e.types.mfhd,new Uint8Array([0,0,0,0,t>>24,t>>16&255,t>>8&255,255&t]))},e.minf=function(t){return"audio"===t.type?e.box(e.types.minf,e.box(e.types.smhd,e.SMHD),e.DINF,e.stbl(t)):e.box(e.types.minf,e.box(e.types.vmhd,e.VMHD),e.DINF,e.stbl(t))},e.moof=function(t,r,i){return e.box(e.types.moof,e.mfhd(t),e.traf(i,r))},e.moov=function(t){for(var r=t.length,i=[];r--;)i[r]=e.trak(t[r]);return e.box.apply(null,[e.types.moov,e.mvhd(t[0].timescale,t[0].duration)].concat(i).concat(e.mvex(t)))},e.mvex=function(t){for(var r=t.length,i=[];r--;)i[r]=e.trex(t[r]);return e.box.apply(null,[e.types.mvex].concat(i))},e.mvhd=function(t,r){r*=t;var i=Math.floor(r/(L+1)),a=Math.floor(r%(L+1)),n=new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,t>>24&255,t>>16&255,t>>8&255,255&t,i>>24,i>>16&255,i>>8&255,255&i,a>>24,a>>16&255,a>>8&255,255&a,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]);return e.box(e.types.mvhd,n)},e.sdtp=function(t){var r,i,a=t.samples||[],n=new Uint8Array(4+a.length);for(i=0;i<a.length;i++)r=a[i].flags,n[i+4]=r.dependsOn<<4|r.isDependedOn<<2|r.hasRedundancy;return e.box(e.types.sdtp,n)},e.stbl=function(t){return e.box(e.types.stbl,e.stsd(t),e.box(e.types.stts,e.STTS),e.box(e.types.stsc,e.STSC),e.box(e.types.stsz,e.STSZ),e.box(e.types.stco,e.STCO))},e.avc1=function(t){var r,i,a,n=[],s=[];for(r=0;r<t.sps.length;r++)a=(i=t.sps[r]).byteLength,n.push(a>>>8&255),n.push(255&a),n=n.concat(Array.prototype.slice.call(i));for(r=0;r<t.pps.length;r++)a=(i=t.pps[r]).byteLength,s.push(a>>>8&255),s.push(255&a),s=s.concat(Array.prototype.slice.call(i));var o=e.box(e.types.avcC,new Uint8Array([1,n[3],n[4],n[5],255,224|t.sps.length].concat(n).concat([t.pps.length]).concat(s))),l=t.width,d=t.height,u=t.pixelRatio[0],c=t.pixelRatio[1];return e.box(e.types.avc1,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,l>>8&255,255&l,d>>8&255,255&d,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,100,97,105,108,121,109,111,116,105,111,110,47,104,108,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),o,e.box(e.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])),e.box(e.types.pasp,new Uint8Array([u>>24,u>>16&255,u>>8&255,255&u,c>>24,c>>16&255,c>>8&255,255&c])))},e.esds=function(e){var t=e.config.length;return new Uint8Array([0,0,0,0,3,23+t,0,1,0,4,15+t,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([t]).concat(e.config).concat([6,1,2]))},e.mp4a=function(t){var r=t.samplerate;return e.box(e.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]),e.box(e.types.esds,e.esds(t)))},e.mp3=function(t){var r=t.samplerate;return e.box(e.types[".mp3"],new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]))},e.stsd=function(t){return"audio"===t.type?t.isAAC||"mp3"!==t.codec?e.box(e.types.stsd,e.STSD,e.mp4a(t)):e.box(e.types.stsd,e.STSD,e.mp3(t)):e.box(e.types.stsd,e.STSD,e.avc1(t))},e.tkhd=function(t){var r=t.id,i=t.duration*t.timescale,a=t.width,n=t.height,s=Math.floor(i/(L+1)),o=Math.floor(i%(L+1));return e.box(e.types.tkhd,new Uint8Array([1,0,0,7,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,r>>24&255,r>>16&255,r>>8&255,255&r,0,0,0,0,s>>24,s>>16&255,s>>8&255,255&s,o>>24,o>>16&255,o>>8&255,255&o,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,a>>8&255,255&a,0,0,n>>8&255,255&n,0,0]))},e.traf=function(t,r){var i=e.sdtp(t),a=t.id,n=Math.floor(r/(L+1)),s=Math.floor(r%(L+1));return e.box(e.types.traf,e.box(e.types.tfhd,new Uint8Array([0,0,0,0,a>>24,a>>16&255,a>>8&255,255&a])),e.box(e.types.tfdt,new Uint8Array([1,0,0,0,n>>24,n>>16&255,n>>8&255,255&n,s>>24,s>>16&255,s>>8&255,255&s])),e.trun(t,i.length+16+20+8+16+8+8),i)},e.trak=function(t){return t.duration=t.duration||4294967295,e.box(e.types.trak,e.tkhd(t),e.mdia(t))},e.trex=function(t){var r=t.id;return e.box(e.types.trex,new Uint8Array([0,0,0,0,r>>24,r>>16&255,r>>8&255,255&r,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))},e.trun=function(t,r){var i,a,n,s,o,l,d=t.samples||[],u=d.length,c=12+16*u,h=new Uint8Array(c);for(r+=8+c,h.set([0,0,15,1,u>>>24&255,u>>>16&255,u>>>8&255,255&u,r>>>24&255,r>>>16&255,r>>>8&255,255&r],0),i=0;i<u;i++)n=(a=d[i]).duration,s=a.size,o=a.flags,l=a.cts,h.set([n>>>24&255,n>>>16&255,n>>>8&255,255&n,s>>>24&255,s>>>16&255,s>>>8&255,255&s,o.isLeading<<2|o.dependsOn,o.isDependedOn<<6|o.hasRedundancy<<4|o.paddingValue<<1|o.isNonSync,61440&o.degradPrio,15&o.degradPrio,l>>>24&255,l>>>16&255,l>>>8&255,255&l],12+16*i);return e.box(e.types.trun,h)},e.initSegment=function(t){e.types||e.init();var r,i=e.moov(t);return(r=new Uint8Array(e.FTYP.byteLength+i.byteLength)).set(e.FTYP),r.set(i,e.FTYP.byteLength),r},e}();function C(e,t,r,i){void 0===r&&(r=1),void 0===i&&(i=!1);var a=e*t*r;return i?Math.round(a):a}function I(e,t){return void 0===t&&(t=!1),C(e,1e3,1/9e4,t)}function O(e,t){return void 0===t&&(t=1),C(e,9e4,1/t)}var P,x=O(10),M=O(.2),F=function(){function e(e,t,r,i){this.observer=e,this.config=t,this.typeSupported=r;var a=navigator.userAgent;this.isSafari=i&&i.indexOf("Apple")>-1&&a&&!a.match("CriOS"),this.ISGenerated=!1}var t=e.prototype;return t.destroy=function(){},t.resetTimeStamp=function(e){this._initPTS=this._initDTS=e},t.resetInitSegment=function(){this.ISGenerated=!1},t.remux=function(e,t,r,a,n,s,l){if(this.ISGenerated||this.generateIS(e,t,n),this.ISGenerated){var d=e.samples.length,u=t.samples.length,c=n,h=n;if(d&&u){var f=(e.samples[0].pts-t.samples[0].pts)/t.inputTimeScale;c+=Math.max(0,f),h+=Math.max(0,-f)}if(d){e.timescale||(o.b.warn("regenerate InitSegment as audio detected"),this.generateIS(e,t,n));var g,p=this.remuxAudio(e,c,s,l);if(u)p&&(g=p.endPTS-p.startPTS),t.timescale||(o.b.warn("regenerate InitSegment as video detected"),this.generateIS(e,t,n)),this.remuxVideo(t,h,s,g,l)}else if(u){var v=this.remuxVideo(t,h,s,0,l);v&&e.codec&&this.remuxEmptyAudio(e,c,s,v)}}r.samples.length&&this.remuxID3(r,n),a.samples.length&&this.remuxText(a,n),this.observer.trigger(i.a.FRAG_PARSED)},t.generateIS=function(e,t,r){var n,s,l=this.observer,d=e.samples,u=t.samples,c=this.typeSupported,h="audio/mp4",f={},g={tracks:f},p=void 0===this._initPTS;if(p&&(n=s=1/0),e.config&&d.length&&(e.timescale=e.samplerate,o.b.log("audio sampling rate : "+e.samplerate),e.isAAC||(c.mpeg?(h="audio/mpeg",e.codec=""):c.mp3&&(e.codec="mp3")),f.audio={container:h,codec:e.codec,initSegment:!e.isAAC&&c.mpeg?new Uint8Array:D.initSegment([e]),metadata:{channelCount:e.channelCount}},p&&(n=s=d[0].pts-e.inputTimeScale*r)),t.sps&&t.pps&&u.length){var v=t.inputTimeScale;t.timescale=v,f.video={container:"video/mp4",codec:t.codec,initSegment:D.initSegment([t]),metadata:{width:t.width,height:t.height}},p&&(n=Math.min(n,u[0].pts-v*r),s=Math.min(s,u[0].dts-v*r),this.observer.trigger(i.a.INIT_PTS_FOUND,{initPTS:n}))}Object.keys(f).length?(l.trigger(i.a.FRAG_PARSING_INIT_SEGMENT,g),this.ISGenerated=!0,p&&(this._initPTS=n,this._initDTS=s)):l.trigger(i.a.ERROR,{type:a.b.MEDIA_ERROR,details:a.a.FRAG_PARSING_ERROR,fatal:!1,reason:"no audio/video samples found"})},t.remuxVideo=function(e,t,r,n,s){var l,d,u,c,h,f,g,p=8,v=e.timescale,m=e.samples,y=[],b=m.length,T=this._PTSNormalize,E=this._initPTS,S=this.nextAvcDts,_=this.isSafari;if(0!==b){_&&(r|=m.length&&S&&(s&&Math.abs(t-S/v)<.1||Math.abs(m[0].pts-S-E)<v/5)),r||(S=t*v),m.forEach((function(e){e.pts=T(e.pts-E,S),e.dts=T(e.dts-E,S)})),m.sort((function(e,t){var r=e.dts-t.dts,i=e.pts-t.pts;return r||i||e.id-t.id}));var A=m.reduce((function(e,t){return Math.max(Math.min(e,t.pts-t.dts),-1*M)}),0);if(A<0){o.b.warn("PTS < DTS detected in video samples, shifting DTS by "+I(A,!0)+" ms to overcome this issue");for(var R=0;R<m.length;R++)m[R].dts+=A}var k=m[0];h=Math.max(k.dts,0),c=Math.max(k.pts,0);var w=h-S;r&&w&&(w>1?o.b.log("AVC: "+I(w,!0)+" ms hole between fragments detected,filling it"):w<-1&&o.b.log("AVC: "+I(-w,!0)+" ms overlapping between fragments detected"),h=S,m[0].dts=h,c=Math.max(c-w,S),m[0].pts=c,o.b.log("Video: PTS/DTS adjusted: "+I(c,!0)+"/"+I(h,!0)+", delta: "+I(w,!0)+" ms")),k=m[m.length-1],g=Math.max(k.dts,0),f=Math.max(k.pts,0,g),_&&(l=Math.round((g-h)/(m.length-1)));for(var L=0,C=0,O=0;O<b;O++){for(var P=m[O],x=P.units,F=x.length,U=0,N=0;N<F;N++)U+=x[N].data.length;C+=U,L+=F,P.length=U,P.dts=_?h+O*l:Math.max(P.dts,h),P.pts=Math.max(P.pts,P.dts)}var B=C+4*L+8;try{d=new Uint8Array(B)}catch(e){return void this.observer.trigger(i.a.ERROR,{type:a.b.MUX_ERROR,details:a.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:B,reason:"fail allocating video mdat "+B})}var G=new DataView(d.buffer);G.setUint32(0,B),d.set(D.types.mdat,4);for(var K=0;K<b;K++){for(var j=m[K],H=j.units,V=0,Y=void 0,W=0,q=H.length;W<q;W++){var z=H[W],X=z.data,Q=z.data.byteLength;G.setUint32(p,Q),p+=4,d.set(X,p),p+=Q,V+=4+Q}if(_)Y=Math.max(0,l*Math.round((j.pts-j.dts)/l));else{if(K<b-1)l=m[K+1].dts-j.dts;else{var $=this.config,J=j.dts-m[K>0?K-1:K].dts;if($.stretchShortVideoTrack){var Z=$.maxBufferHole,ee=Math.floor(Z*v),te=(n?c+n*v:this.nextAudioPts)-j.pts;te>ee?((l=te-J)<0&&(l=J),o.b.log("It is approximately "+I(te,!1)+" ms to the next segment; using duration "+I(l,!1)+" ms for the last video frame.")):l=J}else l=J}Y=Math.round(j.pts-j.dts)}y.push({size:V,duration:l,cts:Y,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:j.key?2:1,isNonSync:j.key?0:1}})}this.nextAvcDts=g+l;var re=e.dropped;if(e.nbNalu=0,e.dropped=0,y.length&&navigator.userAgent.toLowerCase().indexOf("chrome")>-1){var ie=y[0].flags;ie.dependsOn=2,ie.isNonSync=0}e.samples=y,u=D.moof(e.sequenceNumber++,h,e),e.samples=[];var ae={data1:u,data2:d,startPTS:c/v,endPTS:(f+l)/v,startDTS:h/v,endDTS:this.nextAvcDts/v,type:"video",hasAudio:!1,hasVideo:!0,nb:y.length,dropped:re};return this.observer.trigger(i.a.FRAG_PARSING_DATA,ae),ae}},t.remuxAudio=function(e,t,r,n){var s,l,d,u,c,h,f=e.inputTimeScale,g=e.timescale,p=f/g,v=(e.isAAC?1024:1152)*p,m=this._PTSNormalize,y=this._initPTS,b=!e.isAAC&&this.typeSupported.mpeg,T=b?0:8,E=e.samples,S=[],_=this.nextAudioPts;if(r|=E.length&&_&&(n&&Math.abs(t-_/f)<.1||Math.abs(E[0].pts-_-y)<20*v),E.forEach((function(e){e.pts=e.dts=m(e.pts-y,t*f)})),0!==(E=E.filter((function(e){return e.pts>=0}))).length){if(r||(_=n?t*f:E[0].pts),e.isAAC)for(var A=this.config.maxAudioFramesDrift,R=0,k=_;R<E.length;){var L,C=E[R];if((L=C.pts-k)<=-A*v)o.b.warn("Dropping 1 audio frame @ "+I(k,!0)+" ms due to "+I(L,!0)+" ms overlap."),E.splice(R,1);else if(L>=A*v&&L<x&&k){var O=Math.round(L/v);o.b.warn("Injecting "+O+" audio frames @ "+I(k,!0)+" ms due to "+I(k,!0)+" ms gap.");for(var P=0;P<O;P++){var M=Math.max(k,0);(l=w.getSilentFrame(e.manifestCodec||e.codec,e.channelCount))||(o.b.log("Unable to get silent frame for given audio codec; duplicating last frame instead."),l=C.unit.subarray()),E.splice(R,0,{unit:l,pts:M,dts:M}),k+=v,R++}C.pts=C.dts=k,k+=v,R++}else Math.abs(L),C.pts=C.dts=k,k+=v,R++}for(var F=E.length,U=0;F--;)U+=E[F].unit.byteLength;for(var N=0,B=E.length;N<B;N++){var G=E[N],K=G.unit,j=G.pts;if(void 0!==h)s.duration=Math.round((j-h)/p);else{var H=j-_,V=0;if(r&&e.isAAC&&H){if(H>0&&H<x)V=Math.round((j-_)/v),o.b.log(I(H,!0)+" ms hole between AAC samples detected,filling it"),V>0&&((l=w.getSilentFrame(e.manifestCodec||e.codec,e.channelCount))||(l=K.subarray()),U+=V*l.length);else if(H<-12){o.b.log("drop overlapping AAC sample, expected/parsed/delta: "+I(_,!0)+" ms / "+I(j,!0)+" ms / "+I(-H,!0)+" ms"),U-=K.byteLength;continue}j=_}if(c=j,!(U>0))return;U+=T;try{d=new Uint8Array(U)}catch(e){return void this.observer.trigger(i.a.ERROR,{type:a.b.MUX_ERROR,details:a.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:U,reason:"fail allocating audio mdat "+U})}b||(new DataView(d.buffer).setUint32(0,U),d.set(D.types.mdat,4));for(var Y=0;Y<V;Y++)(l=w.getSilentFrame(e.manifestCodec||e.codec,e.channelCount))||(o.b.log("Unable to get silent frame for given audio codec; duplicating this frame instead."),l=K.subarray()),d.set(l,T),T+=l.byteLength,s={size:l.byteLength,cts:0,duration:1024,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},S.push(s)}d.set(K,T);var W=K.byteLength;T+=W,s={size:W,cts:0,duration:0,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},S.push(s),h=j}var q=0;if((F=S.length)>=2&&(q=S[F-2].duration,s.duration=q),F){this.nextAudioPts=_=h+p*q,e.samples=S,u=b?new Uint8Array:D.moof(e.sequenceNumber++,c/p,e),e.samples=[];var z=c/f,X=_/f,Q={data1:u,data2:d,startPTS:z,endPTS:X,startDTS:z,endDTS:X,type:"audio",hasAudio:!0,hasVideo:!1,nb:F};return this.observer.trigger(i.a.FRAG_PARSING_DATA,Q),Q}return null}},t.remuxEmptyAudio=function(e,t,r,i){var a=e.inputTimeScale,n=a/(e.samplerate?e.samplerate:a),s=this.nextAudioPts,l=(void 0!==s?s:i.startDTS*a)+this._initDTS,d=i.endDTS*a+this._initDTS,u=1024*n,c=Math.ceil((d-l)/u),h=w.getSilentFrame(e.manifestCodec||e.codec,e.channelCount);if(o.b.warn("remux empty Audio"),h){for(var f=[],g=0;g<c;g++){var p=l+g*u;f.push({unit:h,pts:p,dts:p})}e.samples=f,this.remuxAudio(e,t,r)}else o.b.trace("Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!")},t.remuxID3=function(e){var t,r=e.samples.length,a=e.inputTimeScale,n=this._initPTS,s=this._initDTS;if(r){for(var o=0;o<r;o++)(t=e.samples[o]).pts=(t.pts-n)/a,t.dts=(t.dts-s)/a;this.observer.trigger(i.a.FRAG_PARSING_METADATA,{samples:e.samples})}e.samples=[]},t.remuxText=function(e){e.samples.sort((function(e,t){return e.pts-t.pts}));var t,r=e.samples.length,a=e.inputTimeScale,n=this._initPTS;if(r){for(var s=0;s<r;s++)(t=e.samples[s]).pts=(t.pts-n)/a;this.observer.trigger(i.a.FRAG_PARSING_USERDATA,{samples:e.samples})}e.samples=[]},t._PTSNormalize=function(e,t){var r;if(void 0===t)return e;for(r=t<e?-8589934592:8589934592;Math.abs(e-t)>4294967296;)e+=r;return e},e}(),U=function(){function e(e){this.observer=e}var t=e.prototype;return t.destroy=function(){},t.resetTimeStamp=function(){},t.resetInitSegment=function(){},t.remux=function(e,t,r,a,n,s,o,l){var d=this.observer,u="";e&&(u+="audio"),t&&(u+="video"),d.trigger(i.a.FRAG_PARSING_DATA,{data1:l,startPTS:n,startDTS:n,type:u,hasAudio:!!e,hasVideo:!!t,nb:1,dropped:0}),d.trigger(i.a.FRAG_PARSED)},e}(),N=Object(l.a)();try{P=N.performance.now.bind(N.performance)}catch(e){o.b.debug("Unable to use Performance API on this environment"),P=N.Date.now}var B=function(){function e(e,t,r,i){this.observer=e,this.typeSupported=t,this.config=r,this.vendor=i}var t=e.prototype;return t.destroy=function(){var e=this.demuxer;e&&e.destroy()},t.push=function(e,t,r,a,s,o,l,d,u,c,h,f){var g=this;if(e.byteLength>0&&null!=t&&null!=t.key&&"AES-128"===t.method){var p=this.decrypter;null==p&&(p=this.decrypter=new n.a(this.observer,this.config));var v=P();p.decrypt(e,t.key.buffer,t.iv.buffer,(function(e){var n=P();g.observer.trigger(i.a.FRAG_DECRYPTED,{stats:{tstart:v,tdecrypt:n}}),g.pushDecrypted(new Uint8Array(e),t,new Uint8Array(r),a,s,o,l,d,u,c,h,f)}))}else this.pushDecrypted(new Uint8Array(e),t,new Uint8Array(r),a,s,o,l,d,u,c,h,f)},t.pushDecrypted=function(e,t,r,n,s,o,l,d,u,c,h,f){var g=this.demuxer;if(!g||(l||d)&&!this.probe(e)){for(var p=this.observer,v=this.typeSupported,m=this.config,T=[{demux:R,remux:F},{demux:b.a,remux:U},{demux:y,remux:F},{demux:k,remux:F}],E=0,S=T.length;E<S;E++){var _=T[E],A=_.demux.probe;if(A(e)){var w=this.remuxer=new _.remux(p,m,v,this.vendor);g=new _.demux(p,w,m,v),this.probe=A;break}}if(!g)return void p.trigger(i.a.ERROR,{type:a.b.MEDIA_ERROR,details:a.a.FRAG_PARSING_ERROR,fatal:!0,reason:"no demux matching with content found"});this.demuxer=g}var L=this.remuxer;(l||d)&&(g.resetInitSegment(r,n,s,c),L.resetInitSegment()),l&&(g.resetTimeStamp(f),L.resetTimeStamp(f)),"function"==typeof g.setDecryptData&&g.setDecryptData(t),g.append(e,o,u,h)},e}();t.a=B},function(e,t,r){"use strict";var i=r(0),a=r(1),n=Math.pow(2,32)-1,s=function(){function e(e,t){this.observer=e,this.remuxer=t}var t=e.prototype;return t.resetTimeStamp=function(e){this.initPTS=e},t.resetInitSegment=function(t,r,i,n){if(t&&t.byteLength){var s=this.initData=e.parseInitSegment(t);null==r&&(r="mp4a.40.5"),null==i&&(i="avc1.42e01e");var o={};s.audio&&s.video?o.audiovideo={container:"video/mp4",codec:r+","+i,initSegment:n?t:null}:(s.audio&&(o.audio={container:"audio/mp4",codec:r,initSegment:n?t:null}),s.video&&(o.video={container:"video/mp4",codec:i,initSegment:n?t:null})),this.observer.trigger(a.a.FRAG_PARSING_INIT_SEGMENT,{tracks:o})}else r&&(this.audioCodec=r),i&&(this.videoCodec=i)},e.probe=function(t){return e.findBox({data:t,start:0,end:Math.min(t.length,16384)},["moof"]).length>0},e.bin2str=function(e){return String.fromCharCode.apply(null,e)},e.readUint16=function(e,t){e.data&&(t+=e.start,e=e.data);var r=e[t]<<8|e[t+1];return r<0?65536+r:r},e.readUint32=function(e,t){e.data&&(t+=e.start,e=e.data);var r=e[t]<<24|e[t+1]<<16|e[t+2]<<8|e[t+3];return r<0?4294967296+r:r},e.writeUint32=function(e,t,r){e.data&&(t+=e.start,e=e.data),e[t]=r>>24,e[t+1]=r>>16&255,e[t+2]=r>>8&255,e[t+3]=255&r},e.findBox=function(t,r){var i,a,n,s,o,l,d=[];if(t.data?(o=t.start,n=t.end,t=t.data):(o=0,n=t.byteLength),!r.length)return null;for(i=o;i<n;)l=(a=e.readUint32(t,i))>1?i+a:n,e.bin2str(t.subarray(i+4,i+8))===r[0]&&(1===r.length?d.push({data:t,start:i+8,end:l}):(s=e.findBox({data:t,start:i+8,end:l},r.slice(1))).length&&(d=d.concat(s))),i=l;return d},e.parseSegmentIndex=function(t){var r,i=e.findBox(t,["moov"])[0],a=i?i.end:null,n=0,s=e.findBox(t,["sidx"]);if(!s||!s[0])return null;r=[];var o=(s=s[0]).data[0];n=0===o?8:16;var l=e.readUint32(s,n);n+=4;n+=0===o?8:16,n+=2;var d=s.end+0,u=e.readUint16(s,n);n+=2;for(var c=0;c<u;c++){var h=n,f=e.readUint32(s,h);h+=4;var g=2147483647&f;if(1===(2147483648&f)>>>31)return void console.warn("SIDX has hierarchical references (not supported)");var p=e.readUint32(s,h);h+=4,r.push({referenceSize:g,subsegmentDuration:p,info:{duration:p/l,start:d,end:d+g-1}}),d+=g,n=h+=4}return{earliestPresentationTime:0,timescale:l,version:o,referencesCount:u,references:r,moovEndOffset:a}},e.parseInitSegment=function(t){var r=[];return e.findBox(t,["moov","trak"]).forEach((function(t){var a=e.findBox(t,["tkhd"])[0];if(a){var n=a.data[a.start],s=0===n?12:20,o=e.readUint32(a,s),l=e.findBox(t,["mdia","mdhd"])[0];if(l){s=0===(n=l.data[l.start])?12:20;var d=e.readUint32(l,s),u=e.findBox(t,["mdia","hdlr"])[0];if(u){var c={soun:"audio",vide:"video"}[e.bin2str(u.data.subarray(u.start+8,u.start+12))];if(c){var h=e.findBox(t,["mdia","minf","stbl","stsd"]);if(h.length){h=h[0];var f=e.bin2str(h.data.subarray(h.start+12,h.start+16));i.b.log("MP4Demuxer:"+c+":"+f+" found")}r[o]={timescale:d,type:c},r[c]={timescale:d,id:o}}}}}})),r},e.getStartDTS=function(t,r){var i,a,n;return i=e.findBox(r,["moof","traf"]),a=[].concat.apply([],i.map((function(r){return e.findBox(r,["tfhd"]).map((function(i){var a,n;return a=e.readUint32(i,4),n=t[a].timescale||9e4,e.findBox(r,["tfdt"]).map((function(t){var r,i;return r=t.data[t.start],i=e.readUint32(t,4),1===r&&(i*=Math.pow(2,32),i+=e.readUint32(t,8)),i}))[0]/n}))}))),n=Math.min.apply(null,a),isFinite(n)?n:0},e.offsetStartDTS=function(t,r,i){e.findBox(r,["moof","traf"]).map((function(r){return e.findBox(r,["tfhd"]).map((function(a){var s=e.readUint32(a,4),o=t[s].timescale||9e4;e.findBox(r,["tfdt"]).map((function(t){var r=t.data[t.start],a=e.readUint32(t,4);if(0===r)e.writeUint32(t,4,a-i*o);else{a*=Math.pow(2,32),a+=e.readUint32(t,8),a-=i*o,a=Math.max(a,0);var s=Math.floor(a/(n+1)),l=Math.floor(a%(n+1));e.writeUint32(t,4,s),e.writeUint32(t,8,l)}}))}))}))},t.append=function(t,r,i,n){var s=this.initData;s||(this.resetInitSegment(t,this.audioCodec,this.videoCodec,!1),s=this.initData);var o,l=this.initPTS;if(void 0===l){var d=e.getStartDTS(s,t);this.initPTS=l=d-r,this.observer.trigger(a.a.INIT_PTS_FOUND,{initPTS:l})}e.offsetStartDTS(s,t,l),o=e.getStartDTS(s,t),this.remuxer.remux(s.audio,s.video,null,null,o,i,n,t)},t.destroy=function(){},e}();t.a=s},function(e,t,r){function i(e){var t={};function r(i){if(t[i])return t[i].exports;var a=t[i]={i:i,l:!1,exports:{}};return e[i].call(a.exports,a,a.exports,r),a.l=!0,a.exports}r.m=e,r.c=t,r.i=function(e){return e},r.d=function(e,t,i){r.o(e,t)||Object.defineProperty(e,t,{configurable:!1,enumerable:!0,get:i})},r.r=function(e){Object.defineProperty(e,"__esModule",{value:!0})},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},r.p="/",r.oe=function(e){throw console.error(e),e};var i=r(r.s=ENTRY_MODULE);return i.default||i}var a="\\(\\s*(/\\*.*?\\*/)?\\s*.*?([\\.|\\-|\\+|\\w|/|@]+).*?\\)";function n(e){return(e+"").replace(/[.?*+^$[\]\\(){}|-]/g,"\\$&")}function s(e,t,i){var s={};s[i]=[];var o=t.toString(),l=o.match(/^function\s?\w*\(\w+,\s*\w+,\s*(\w+)\)/);if(!l)return s;for(var d,u=l[1],c=new RegExp("(\\\\n|\\W)"+n(u)+a,"g");d=c.exec(o);)"dll-reference"!==d[3]&&s[i].push(d[3]);for(c=new RegExp("\\("+n(u)+'\\("(dll-reference\\s([\\.|\\-|\\+|\\w|/|@]+))"\\)\\)'+a,"g");d=c.exec(o);)e[d[2]]||(s[i].push(d[1]),e[d[2]]=r(d[1]).m),s[d[2]]=s[d[2]]||[],s[d[2]].push(d[4]);for(var h,f=Object.keys(s),g=0;g<f.length;g++)for(var p=0;p<s[f[g]].length;p++)h=s[f[g]][p],isNaN(1*h)||(s[f[g]][p]=1*s[f[g]][p]);return s}function o(e){return Object.keys(e).reduce((function(t,r){return t||e[r].length>0}),!1)}e.exports=function(e,t){t=t||{};var a={main:r.m},n=t.all?{main:Object.keys(a.main)}:function(e,t){for(var r={main:[t]},i={main:[]},a={main:{}};o(r);)for(var n=Object.keys(r),l=0;l<n.length;l++){var d=n[l],u=r[d].pop();if(a[d]=a[d]||{},!a[d][u]&&e[d][u]){a[d][u]=!0,i[d]=i[d]||[],i[d].push(u);for(var c=s(e,e[d][u],d),h=Object.keys(c),f=0;f<h.length;f++)r[h[f]]=r[h[f]]||[],r[h[f]]=r[h[f]].concat(c[h[f]])}}return i}(a,e),l="";Object.keys(n).filter((function(e){return"main"!==e})).forEach((function(e){for(var t=0;n[e][t];)t++;n[e].push(t),a[e][t]="(function(module, exports, __webpack_require__) { module.exports = __webpack_require__; })",l=l+"var "+e+" = ("+i.toString().replace("ENTRY_MODULE",JSON.stringify(t))+")({"+n[e].map((function(t){return JSON.stringify(t)+": "+a[e][t].toString()})).join(",")+"});\n"})),l=l+"new (("+i.toString().replace("ENTRY_MODULE",JSON.stringify(e))+")({"+n.main.map((function(e){return JSON.stringify(e)+": "+a.main[e].toString()})).join(",")+"}))(self);";var d=new window.Blob([l],{type:"text/javascript"});if(t.bare)return d;var u=(window.URL||window.webkitURL||window.mozURL||window.msURL).createObjectURL(d),c=new window.Worker(u);return c.objectURL=u,c}},function(e,t,r){"use strict";r.r(t);var i=r(9),a=r(1),n=r(0),s=r(8);t.default=function(e){var t=new s.EventEmitter;t.trigger=function(e){for(var r=arguments.length,i=new Array(r>1?r-1:0),a=1;a<r;a++)i[a-1]=arguments[a];t.emit.apply(t,[e,e].concat(i))},t.off=function(e){for(var r=arguments.length,i=new Array(r>1?r-1:0),a=1;a<r;a++)i[a-1]=arguments[a];t.removeListener.apply(t,[e].concat(i))};var r=function(t,r){e.postMessage({event:t,data:r})};e.addEventListener("message",(function(a){var s=a.data;switch(s.cmd){case"init":var o=JSON.parse(s.config);e.demuxer=new i.a(t,s.typeSupported,o,s.vendor),Object(n.a)(o.debug),r("init",null);break;case"demux":e.demuxer.push(s.data,s.decryptdata,s.initSegment,s.audioCodec,s.videoCodec,s.timeOffset,s.discontinuity,s.trackSwitch,s.contiguous,s.duration,s.accurateTimeOffset,s.defaultInitPTS)}})),t.on(a.a.FRAG_DECRYPTED,r),t.on(a.a.FRAG_PARSING_INIT_SEGMENT,r),t.on(a.a.FRAG_PARSED,r),t.on(a.a.ERROR,r),t.on(a.a.FRAG_PARSING_METADATA,r),t.on(a.a.FRAG_PARSING_USERDATA,r),t.on(a.a.INIT_PTS_FOUND,r),t.on(a.a.FRAG_PARSING_DATA,(function(t,r){var i=[],a={event:t,data:r};r.data1&&(a.data1=r.data1.buffer,i.push(r.data1.buffer),delete r.data1),r.data2&&(a.data2=r.data2.buffer,i.push(r.data2.buffer),delete r.data2),e.postMessage(a,i)}))}},function(e,t,r){"use strict";r.r(t);var i={};r.r(i),r.d(i,"newCue",(function(){return mt}));var a,n,s=r(6),o=r(2),l=r(3),d=r(1),u=r(0),c={hlsEventGeneric:!0,hlsHandlerDestroying:!0,hlsHandlerDestroyed:!0},h=function(){function e(e){this.hls=void 0,this.handledEvents=void 0,this.useGenericHandler=void 0,this.hls=e,this.onEvent=this.onEvent.bind(this);for(var t=arguments.length,r=new Array(t>1?t-1:0),i=1;i<t;i++)r[i-1]=arguments[i];this.handledEvents=r,this.useGenericHandler=!0,this.registerListeners()}var t=e.prototype;return t.destroy=function(){this.onHandlerDestroying(),this.unregisterListeners(),this.onHandlerDestroyed()},t.onHandlerDestroying=function(){},t.onHandlerDestroyed=function(){},t.isEventHandler=function(){return"object"==typeof this.handledEvents&&this.handledEvents.length&&"function"==typeof this.onEvent},t.registerListeners=function(){this.isEventHandler()&&this.handledEvents.forEach((function(e){if(c[e])throw new Error("Forbidden event-name: "+e);this.hls.on(e,this.onEvent)}),this)},t.unregisterListeners=function(){this.isEventHandler()&&this.handledEvents.forEach((function(e){this.hls.off(e,this.onEvent)}),this)},t.onEvent=function(e,t){this.onEventGeneric(e,t)},t.onEventGeneric=function(e,t){try{(function(e,t){var r="on"+e.replace("hls","");if("function"!=typeof this[r])throw new Error("Event "+e+" has no generic handler in this "+this.constructor.name+" class (tried "+r+")");return this[r].bind(this,t)}).call(this,e,t).call()}catch(t){u.b.error("An internal error happened while handling event "+e+'. Error message: "'+t.message+'". Here is a stacktrace:',t),this.hls.trigger(d.a.ERROR,{type:o.b.OTHER_ERROR,details:o.a.INTERNAL_EXCEPTION,fatal:!1,event:e,err:t})}},e}();!function(e){e.MANIFEST="manifest",e.LEVEL="level",e.AUDIO_TRACK="audioTrack",e.SUBTITLE_TRACK="subtitleTrack"}(a||(a={})),function(e){e.MAIN="main",e.AUDIO="audio",e.SUBTITLE="subtitle"}(n||(n={}));var f=r(10);function g(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var p,v=function(){function e(e,t){this._uri=null,this.baseuri=void 0,this.reluri=void 0,this.method=null,this.key=null,this.iv=null,this.baseuri=e,this.reluri=t}var t,r,i;return t=e,(r=[{key:"uri",get:function(){return!this._uri&&this.reluri&&(this._uri=Object(s.buildAbsoluteURL)(this.baseuri,this.reluri,{alwaysNormalize:!0})),this._uri}}])&&g(t.prototype,r),i&&g(t,i),e}();function m(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}!function(e){e.AUDIO="audio",e.VIDEO="video"}(p||(p={}));var y=function(){function e(){var e;this._url=null,this._byteRange=null,this._decryptdata=null,this._elementaryStreams=((e={})[p.AUDIO]=!1,e[p.VIDEO]=!1,e),this.deltaPTS=0,this.rawProgramDateTime=null,this.programDateTime=null,this.title=null,this.tagList=[],this.cc=void 0,this.type=void 0,this.relurl=void 0,this.baseurl=void 0,this.duration=void 0,this.start=void 0,this.sn=0,this.urlId=0,this.level=0,this.levelkey=void 0,this.loader=void 0}var t,r,i,a=e.prototype;return a.setByteRange=function(e,t){var r=e.split("@",2),i=[];1===r.length?i[0]=t?t.byteRangeEndOffset:0:i[0]=parseInt(r[1]),i[1]=parseInt(r[0])+i[0],this._byteRange=i},a.addElementaryStream=function(e){this._elementaryStreams[e]=!0},a.hasElementaryStream=function(e){return!0===this._elementaryStreams[e]},a.createInitializationVector=function(e){for(var t=new Uint8Array(16),r=12;r<16;r++)t[r]=e>>8*(15-r)&255;return t},a.setDecryptDataFromLevelKey=function(e,t){var r=e;return e&&e.method&&e.uri&&!e.iv&&((r=new v(e.baseuri,e.reluri)).method=e.method,r.iv=this.createInitializationVector(t)),r},t=e,(r=[{key:"url",get:function(){return!this._url&&this.relurl&&(this._url=Object(s.buildAbsoluteURL)(this.baseurl,this.relurl,{alwaysNormalize:!0})),this._url},set:function(e){this._url=e}},{key:"byteRange",get:function(){return this._byteRange?this._byteRange:[]}},{key:"byteRangeStartOffset",get:function(){return this.byteRange[0]}},{key:"byteRangeEndOffset",get:function(){return this.byteRange[1]}},{key:"decryptdata",get:function(){if(!this.levelkey&&!this._decryptdata)return null;if(!this._decryptdata&&this.levelkey){var e=this.sn;"number"!=typeof e&&(this.levelkey&&"AES-128"===this.levelkey.method&&!this.levelkey.iv&&u.b.warn('missing IV for initialization segment with method="'+this.levelkey.method+'" - compliance issue'),e=0),this._decryptdata=this.setDecryptDataFromLevelKey(this.levelkey,e)}return this._decryptdata}},{key:"endProgramDateTime",get:function(){if(null===this.programDateTime)return null;if(!Object(l.a)(this.programDateTime))return null;var e=Object(l.a)(this.duration)?this.duration:0;return this.programDateTime+1e3*e}},{key:"encrypted",get:function(){return!(!this.decryptdata||null===this.decryptdata.uri||null!==this.decryptdata.key)}}])&&m(t.prototype,r),i&&m(t,i),e}();function b(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var T=function(){function e(e){this.endCC=0,this.endSN=0,this.fragments=[],this.initSegment=null,this.live=!0,this.needSidxRanges=!1,this.startCC=0,this.startSN=0,this.startTimeOffset=null,this.targetduration=0,this.totalduration=0,this.type=null,this.url=e,this.version=null}var t,r,i;return t=e,(r=[{key:"hasProgramDateTime",get:function(){return!(!this.fragments[0]||!Object(l.a)(this.fragments[0].programDateTime))}}])&&b(t.prototype,r),i&&b(t,i),e}(),E=/^(\d+)x(\d+)$/,S=/\s*(.+?)\s*=((?:\".*?\")|.*?)(?:,|$)/g,_=function(){function e(t){for(var r in"string"==typeof t&&(t=e.parseAttrList(t)),t)t.hasOwnProperty(r)&&(this[r]=t[r])}var t=e.prototype;return t.decimalInteger=function(e){var t=parseInt(this[e],10);return t>Number.MAX_SAFE_INTEGER?1/0:t},t.hexadecimalInteger=function(e){if(this[e]){var t=(this[e]||"0x").slice(2);t=(1&t.length?"0":"")+t;for(var r=new Uint8Array(t.length/2),i=0;i<t.length/2;i++)r[i]=parseInt(t.slice(2*i,2*i+2),16);return r}return null},t.hexadecimalIntegerAsNumber=function(e){var t=parseInt(this[e],16);return t>Number.MAX_SAFE_INTEGER?1/0:t},t.decimalFloatingPoint=function(e){return parseFloat(this[e])},t.enumeratedString=function(e){return this[e]},t.decimalResolution=function(e){var t=E.exec(this[e]);if(null!==t)return{width:parseInt(t[1],10),height:parseInt(t[2],10)}},e.parseAttrList=function(e){var t,r={};for(S.lastIndex=0;null!==(t=S.exec(e));){var i=t[2];0===i.indexOf('"')&&i.lastIndexOf('"')===i.length-1&&(i=i.slice(1,-1)),r[t[1]]=i}return r},e}(),A={audio:{a3ds:!0,"ac-3":!0,"ac-4":!0,alac:!0,alaw:!0,dra1:!0,"dts+":!0,"dts-":!0,dtsc:!0,dtse:!0,dtsh:!0,"ec-3":!0,enca:!0,g719:!0,g726:!0,m4ae:!0,mha1:!0,mha2:!0,mhm1:!0,mhm2:!0,mlpa:!0,mp4a:!0,"raw ":!0,Opus:!0,samr:!0,sawb:!0,sawp:!0,sevc:!0,sqcp:!0,ssmv:!0,twos:!0,ulaw:!0},video:{avc1:!0,avc2:!0,avc3:!0,avc4:!0,avcp:!0,drac:!0,dvav:!0,dvhe:!0,encv:!0,hev1:!0,hvc1:!0,mjp2:!0,mp4v:!0,mvc1:!0,mvc2:!0,mvc3:!0,mvc4:!0,resv:!0,rv60:!0,s263:!0,svc1:!0,svc2:!0,"vc-1":!0,vp08:!0,vp09:!0}};function R(e,t){return MediaSource.isTypeSupported((t||"video")+'/mp4;codecs="'+e+'"')}var k=/#EXT-X-STREAM-INF:([^\n\r]*)[\r\n]+([^\r\n]+)/g,w=/#EXT-X-MEDIA:(.*)/g,L=new RegExp([/#EXTINF:\s*(\d*(?:\.\d+)?)(?:,(.*)\s+)?/.source,/|(?!#)([\S+ ?]+)/.source,/|#EXT-X-BYTERANGE:*(.+)/.source,/|#EXT-X-PROGRAM-DATE-TIME:(.+)/.source,/|#.*/.source].join(""),"g"),D=/(?:(?:#(EXTM3U))|(?:#EXT-X-(PLAYLIST-TYPE):(.+))|(?:#EXT-X-(MEDIA-SEQUENCE): *(\d+))|(?:#EXT-X-(TARGETDURATION): *(\d+))|(?:#EXT-X-(KEY):(.+))|(?:#EXT-X-(START):(.+))|(?:#EXT-X-(ENDLIST))|(?:#EXT-X-(DISCONTINUITY-SEQ)UENCE:(\d+))|(?:#EXT-X-(DIS)CONTINUITY))|(?:#EXT-X-(VERSION):(\d+))|(?:#EXT-X-(MAP):(.+))|(?:(#)([^:]*):(.*))|(?:(#)(.*))(?:.*)\r?\n?/,C=/\.(mp4|m4s|m4v|m4a)$/i,I=function(){function e(){}return e.findGroup=function(e,t){for(var r=0;r<e.length;r++){var i=e[r];if(i.id===t)return i}},e.convertAVC1ToAVCOTI=function(e){var t,r=e.split(".");return r.length>2?(t=r.shift()+".",t+=parseInt(r.shift()).toString(16),t+=("000"+parseInt(r.shift()).toString(16)).substr(-4)):t=e,t},e.resolve=function(e,t){return s.buildAbsoluteURL(t,e,{alwaysNormalize:!0})},e.parseMasterPlaylist=function(t,r){var i,a=[];function n(e,t){["video","audio"].forEach((function(r){var i=e.filter((function(e){return function(e,t){var r=A[t];return!!r&&!0===r[e.slice(0,4)]}(e,r)}));if(i.length){var a=i.filter((function(e){return 0===e.lastIndexOf("avc1",0)||0===e.lastIndexOf("mp4a",0)}));t[r+"Codec"]=a.length>0?a[0]:i[0],e=e.filter((function(e){return-1===i.indexOf(e)}))}})),t.unknownCodecs=e}for(k.lastIndex=0;null!=(i=k.exec(t));){var s={},o=s.attrs=new _(i[1]);s.url=e.resolve(i[2],r);var l=o.decimalResolution("RESOLUTION");l&&(s.width=l.width,s.height=l.height),s.bitrate=o.decimalInteger("AVERAGE-BANDWIDTH")||o.decimalInteger("BANDWIDTH"),s.name=o.NAME,n([].concat((o.CODECS||"").split(/[ ,]+/)),s),s.videoCodec&&-1!==s.videoCodec.indexOf("avc1")&&(s.videoCodec=e.convertAVC1ToAVCOTI(s.videoCodec)),a.push(s)}return a},e.parseMasterPlaylistMedia=function(t,r,i,a){var n;void 0===a&&(a=[]);var s=[],o=0;for(w.lastIndex=0;null!==(n=w.exec(t));){var l=new _(n[1]);if(l.TYPE===i){var d={id:o++,groupId:l["GROUP-ID"],name:l.NAME||l.LANGUAGE,type:i,default:"YES"===l.DEFAULT,autoselect:"YES"===l.AUTOSELECT,forced:"YES"===l.FORCED,lang:l.LANGUAGE};if(l.URI&&(d.url=e.resolve(l.URI,r)),a.length){var u=e.findGroup(a,d.groupId);d.audioCodec=u?u.codec:a[0].codec}s.push(d)}}return s},e.parseLevelPlaylist=function(e,t,r,i,a){var n,s,o,d=0,c=0,h=new T(t),f=0,g=null,p=new y,m=null;for(L.lastIndex=0;null!==(n=L.exec(e));){var b=n[1];if(b){p.duration=parseFloat(b);var E=(" "+n[2]).slice(1);p.title=E||null,p.tagList.push(E?["INF",b,E]:["INF",b])}else if(n[3]){if(Object(l.a)(p.duration)){var S=d++;p.type=i,p.start=c,o&&(p.levelkey=o),p.sn=S,p.level=r,p.cc=f,p.urlId=a,p.baseurl=t,p.relurl=(" "+n[3]).slice(1),O(p,g),h.fragments.push(p),g=p,c+=p.duration,p=new y}}else if(n[4]){var A=(" "+n[4]).slice(1);g?p.setByteRange(A,g):p.setByteRange(A)}else if(n[5])p.rawProgramDateTime=(" "+n[5]).slice(1),p.tagList.push(["PROGRAM-DATE-TIME",p.rawProgramDateTime]),null===m&&(m=h.fragments.length);else{if(!(n=n[0].match(D))){u.b.warn("No matches on slow regex match for level playlist!");continue}for(s=1;s<n.length&&void 0===n[s];s++);var R=(" "+n[s+1]).slice(1),k=(" "+n[s+2]).slice(1);switch(n[s]){case"#":p.tagList.push(k?[R,k]:[R]);break;case"PLAYLIST-TYPE":h.type=R.toUpperCase();break;case"MEDIA-SEQUENCE":d=h.startSN=parseInt(R);break;case"TARGETDURATION":h.targetduration=parseFloat(R);break;case"VERSION":h.version=parseInt(R);break;case"EXTM3U":break;case"ENDLIST":h.live=!1;break;case"DIS":f++,p.tagList.push(["DIS"]);break;case"DISCONTINUITY-SEQ":f=parseInt(R);break;case"KEY":var w=new _(R),I=w.enumeratedString("METHOD"),P=w.URI,x=w.hexadecimalInteger("IV");I&&(o=new v(t,P),P&&["AES-128","SAMPLE-AES","SAMPLE-AES-CENC"].indexOf(I)>=0&&(o.method=I,o.key=null,o.iv=x));break;case"START":var M=new _(R).decimalFloatingPoint("TIME-OFFSET");Object(l.a)(M)&&(h.startTimeOffset=M);break;case"MAP":var F=new _(R);p.relurl=F.URI,F.BYTERANGE&&p.setByteRange(F.BYTERANGE),p.baseurl=t,p.level=r,p.type=i,p.sn="initSegment",h.initSegment=p,(p=new y).rawProgramDateTime=h.initSegment.rawProgramDateTime;break;default:u.b.warn("line parsed but not handled: "+n)}}}return(p=g)&&!p.relurl&&(h.fragments.pop(),c-=p.duration),h.totalduration=c,h.averagetargetduration=c/h.fragments.length,h.endSN=d-1,h.startCC=h.fragments[0]?h.fragments[0].cc:0,h.endCC=f,!h.initSegment&&h.fragments.length&&h.fragments.every((function(e){return C.test(e.relurl)}))&&(u.b.warn("MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX"),(p=new y).relurl=h.fragments[0].relurl,p.baseurl=t,p.level=r,p.type=i,p.sn="initSegment",h.initSegment=p,h.needSidxRanges=!0),m&&function(e,t){for(var r=e[t],i=t-1;i>=0;i--){var a=e[i];a.programDateTime=r.programDateTime-1e3*a.duration,r=a}}(h.fragments,m),h},e}();function O(e,t){e.rawProgramDateTime?e.programDateTime=Date.parse(e.rawProgramDateTime):t&&t.programDateTime&&(e.programDateTime=t.endProgramDateTime),Object(l.a)(e.programDateTime)||(e.programDateTime=null,e.rawProgramDateTime=null)}var P=window.performance,x=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.MANIFEST_LOADING,d.a.LEVEL_LOADING,d.a.AUDIO_TRACK_LOADING,d.a.SUBTITLE_TRACK_LOADING)||this).loaders={},r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r,i.canHaveQualityLevels=function(e){return e!==a.AUDIO_TRACK&&e!==a.SUBTITLE_TRACK},i.mapContextToLevelType=function(e){switch(e.type){case a.AUDIO_TRACK:return n.AUDIO;case a.SUBTITLE_TRACK:return n.SUBTITLE;default:return n.MAIN}},i.getResponseUrl=function(e,t){var r=e.url;return void 0!==r&&0!==r.indexOf("data:")||(r=t.url),r};var s=i.prototype;return s.createInternalLoader=function(e){var t=this.hls.config,r=t.pLoader,i=t.loader,a=new(r||i)(t);return e.loader=a,this.loaders[e.type]=a,a},s.getInternalLoader=function(e){return this.loaders[e.type]},s.resetInternalLoader=function(e){this.loaders[e]&&delete this.loaders[e]},s.destroyInternalLoaders=function(){for(var e in this.loaders){var t=this.loaders[e];t&&t.destroy(),this.resetInternalLoader(e)}},s.destroy=function(){this.destroyInternalLoaders(),e.prototype.destroy.call(this)},s.onManifestLoading=function(e){this.load({url:e.url,type:a.MANIFEST,level:0,id:null,responseType:"text"})},s.onLevelLoading=function(e){this.load({url:e.url,type:a.LEVEL,level:e.level,id:e.id,responseType:"text"})},s.onAudioTrackLoading=function(e){this.load({url:e.url,type:a.AUDIO_TRACK,level:null,id:e.id,responseType:"text"})},s.onSubtitleTrackLoading=function(e){this.load({url:e.url,type:a.SUBTITLE_TRACK,level:null,id:e.id,responseType:"text"})},s.load=function(e){var t=this.hls.config;u.b.debug("Loading playlist of type "+e.type+", level: "+e.level+", id: "+e.id);var r,i,n,s,o=this.getInternalLoader(e);if(o){var l=o.context;if(l&&l.url===e.url)return u.b.trace("playlist request ongoing"),!1;u.b.warn("aborting previous loader for type: "+e.type),o.abort()}switch(e.type){case a.MANIFEST:r=t.manifestLoadingMaxRetry,i=t.manifestLoadingTimeOut,n=t.manifestLoadingRetryDelay,s=t.manifestLoadingMaxRetryTimeout;break;case a.LEVEL:r=0,s=0,n=0,i=t.levelLoadingTimeOut;break;default:r=t.levelLoadingMaxRetry,i=t.levelLoadingTimeOut,n=t.levelLoadingRetryDelay,s=t.levelLoadingMaxRetryTimeout}o=this.createInternalLoader(e);var d={timeout:i,maxRetry:r,retryDelay:n,maxRetryDelay:s},c={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};return u.b.debug("Calling internal loader delegate for URL: "+e.url),o.load(e,d,c),!0},s.loadsuccess=function(e,t,r,i){if(void 0===i&&(i=null),r.isSidxRequest)return this._handleSidxRequest(e,r),void this._handlePlaylistLoaded(e,t,r,i);if(this.resetInternalLoader(r.type),"string"!=typeof e.data)throw new Error('expected responseType of "text" for PlaylistLoader');var a=e.data;t.tload=P.now(),0===a.indexOf("#EXTM3U")?a.indexOf("#EXTINF:")>0||a.indexOf("#EXT-X-TARGETDURATION:")>0?this._handleTrackOrLevelPlaylist(e,t,r,i):this._handleMasterPlaylist(e,t,r,i):this._handleManifestParsingError(e,r,"no EXTM3U delimiter",i)},s.loaderror=function(e,t,r){void 0===r&&(r=null),this._handleNetworkError(t,r,!1,e)},s.loadtimeout=function(e,t,r){void 0===r&&(r=null),this._handleNetworkError(t,r,!0)},s._handleMasterPlaylist=function(e,t,r,a){var n=this.hls,s=e.data,o=i.getResponseUrl(e,r),l=I.parseMasterPlaylist(s,o);if(l.length){var c=l.map((function(e){return{id:e.attrs.AUDIO,codec:e.audioCodec}})),h=I.parseMasterPlaylistMedia(s,o,"AUDIO",c),f=I.parseMasterPlaylistMedia(s,o,"SUBTITLES");if(h.length){var g=!1;h.forEach((function(e){e.url||(g=!0)})),!1===g&&l[0].audioCodec&&!l[0].attrs.AUDIO&&(u.b.log("audio codec signaled in quality level, but no embedded audio track signaled, create one"),h.unshift({type:"main",name:"main",default:!1,autoselect:!1,forced:!1,id:-1}))}n.trigger(d.a.MANIFEST_LOADED,{levels:l,audioTracks:h,subtitles:f,url:o,stats:t,networkDetails:a})}else this._handleManifestParsingError(e,r,"no level found in manifest",a)},s._handleTrackOrLevelPlaylist=function(e,t,r,n){var s=this.hls,o=r.id,u=r.level,c=r.type,h=i.getResponseUrl(e,r),f=Object(l.a)(o)?o:0,g=Object(l.a)(u)?u:f,p=i.mapContextToLevelType(r),v=I.parseLevelPlaylist(e.data,h,g,p,f);if(v.tload=t.tload,c===a.MANIFEST){var m={url:h,details:v};s.trigger(d.a.MANIFEST_LOADED,{levels:[m],audioTracks:[],url:h,stats:t,networkDetails:n})}if(t.tparsed=P.now(),v.needSidxRanges){var y=v.initSegment.url;this.load({url:y,isSidxRequest:!0,type:c,level:u,levelDetails:v,id:o,rangeStart:0,rangeEnd:2048,responseType:"arraybuffer"})}else r.levelDetails=v,this._handlePlaylistLoaded(e,t,r,n)},s._handleSidxRequest=function(e,t){if("string"==typeof e.data)throw new Error("sidx request must be made with responseType of array buffer");var r=f.a.parseSegmentIndex(new Uint8Array(e.data));if(r){var i=r.references,a=t.levelDetails;i.forEach((function(e,t){var r=e.info;if(a){var i=a.fragments[t];0===i.byteRange.length&&i.setByteRange(String(1+r.end-r.start)+"@"+String(r.start))}})),a&&a.initSegment.setByteRange(String(r.moovEndOffset)+"@0")}},s._handleManifestParsingError=function(e,t,r,i){this.hls.trigger(d.a.ERROR,{type:o.b.NETWORK_ERROR,details:o.a.MANIFEST_PARSING_ERROR,fatal:!0,url:e.url,reason:r,networkDetails:i})},s._handleNetworkError=function(e,t,r,i){var n,s;void 0===r&&(r=!1),void 0===i&&(i=null),u.b.info("A network error occured while loading a "+e.type+"-type playlist");var l=this.getInternalLoader(e);switch(e.type){case a.MANIFEST:n=r?o.a.MANIFEST_LOAD_TIMEOUT:o.a.MANIFEST_LOAD_ERROR,s=!0;break;case a.LEVEL:n=r?o.a.LEVEL_LOAD_TIMEOUT:o.a.LEVEL_LOAD_ERROR,s=!1;break;case a.AUDIO_TRACK:n=r?o.a.AUDIO_TRACK_LOAD_TIMEOUT:o.a.AUDIO_TRACK_LOAD_ERROR,s=!1;break;default:s=!1}l&&(l.abort(),this.resetInternalLoader(e.type));var c={type:o.b.NETWORK_ERROR,details:n,fatal:s,url:e.url,loader:l,context:e,networkDetails:t};i&&(c.response=i),this.hls.trigger(d.a.ERROR,c)},s._handlePlaylistLoaded=function(e,t,r,n){var s=r.type,o=r.level,l=r.id,u=r.levelDetails;if(u&&u.targetduration)if(i.canHaveQualityLevels(r.type))this.hls.trigger(d.a.LEVEL_LOADED,{details:u,level:o||0,id:l||0,stats:t,networkDetails:n});else switch(s){case a.AUDIO_TRACK:this.hls.trigger(d.a.AUDIO_TRACK_LOADED,{details:u,id:l,stats:t,networkDetails:n});break;case a.SUBTITLE_TRACK:this.hls.trigger(d.a.SUBTITLE_TRACK_LOADED,{details:u,id:l,stats:t,networkDetails:n})}else this._handleManifestParsingError(e,r,"invalid target duration",n)},i}(h);var M=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.FRAG_LOADING)||this).loaders={},r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.destroy=function(){var t=this.loaders;for(var r in t){var i=t[r];i&&i.destroy()}this.loaders={},e.prototype.destroy.call(this)},a.onFragLoading=function(e){var t=e.frag,r=t.type,i=this.loaders,a=this.hls.config,n=a.fLoader,s=a.loader;t.loaded=0;var o,d,c,h=i[r];h&&(u.b.warn("abort previous fragment loader for type: "+r),h.abort()),h=i[r]=t.loader=a.fLoader?new n(a):new s(a),o={url:t.url,frag:t,responseType:"arraybuffer",progressData:!1};var f=t.byteRangeStartOffset,g=t.byteRangeEndOffset;Object(l.a)(f)&&Object(l.a)(g)&&(o.rangeStart=f,o.rangeEnd=g),d={timeout:a.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:a.fragLoadingMaxRetryTimeout},c={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this),onProgress:this.loadprogress.bind(this)},h.load(o,d,c)},a.loadsuccess=function(e,t,r,i){void 0===i&&(i=null);var a=e.data,n=r.frag;n.loader=void 0,this.loaders[n.type]=void 0,this.hls.trigger(d.a.FRAG_LOADED,{payload:a,frag:n,stats:t,networkDetails:i})},a.loaderror=function(e,t,r){void 0===r&&(r=null);var i=t.frag,a=i.loader;a&&a.abort(),this.loaders[i.type]=void 0,this.hls.trigger(d.a.ERROR,{type:o.b.NETWORK_ERROR,details:o.a.FRAG_LOAD_ERROR,fatal:!1,frag:t.frag,response:e,networkDetails:r})},a.loadtimeout=function(e,t,r){void 0===r&&(r=null);var i=t.frag,a=i.loader;a&&a.abort(),this.loaders[i.type]=void 0,this.hls.trigger(d.a.ERROR,{type:o.b.NETWORK_ERROR,details:o.a.FRAG_LOAD_TIMEOUT,fatal:!1,frag:t.frag,networkDetails:r})},a.loadprogress=function(e,t,r,i){void 0===i&&(i=null);var a=t.frag;a.loaded=e.loaded,this.hls.trigger(d.a.FRAG_LOAD_PROGRESS,{frag:a,stats:e,networkDetails:i})},i}(h);var F=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.KEY_LOADING)||this).loaders={},r.decryptkey=null,r.decrypturl=null,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.destroy=function(){for(var t in this.loaders){var r=this.loaders[t];r&&r.destroy()}this.loaders={},e.prototype.destroy.call(this)},a.onKeyLoading=function(e){var t=e.frag,r=t.type,i=this.loaders[r];if(t.decryptdata){var a=t.decryptdata.uri;if(a!==this.decrypturl||null===this.decryptkey){var n=this.hls.config;if(i&&(u.b.warn("abort previous key loader for type:"+r),i.abort()),!a)return void u.b.warn("key uri is falsy");t.loader=this.loaders[r]=new n.loader(n),this.decrypturl=a,this.decryptkey=null;var s={url:a,frag:t,responseType:"arraybuffer"},o={timeout:n.fragLoadingTimeOut,maxRetry:0,retryDelay:n.fragLoadingRetryDelay,maxRetryDelay:n.fragLoadingMaxRetryTimeout},l={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};t.loader.load(s,o,l)}else this.decryptkey&&(t.decryptdata.key=this.decryptkey,this.hls.trigger(d.a.KEY_LOADED,{frag:t}))}else u.b.warn("Missing decryption data on fragment in onKeyLoading")},a.loadsuccess=function(e,t,r){var i=r.frag;i.decryptdata?(this.decryptkey=i.decryptdata.key=new Uint8Array(e.data),i.loader=void 0,delete this.loaders[i.type],this.hls.trigger(d.a.KEY_LOADED,{frag:i})):u.b.error("after key load, decryptdata unset")},a.loaderror=function(e,t){var r=t.frag,i=r.loader;i&&i.abort(),delete this.loaders[r.type],this.hls.trigger(d.a.ERROR,{type:o.b.NETWORK_ERROR,details:o.a.KEY_LOAD_ERROR,fatal:!1,frag:r,response:e})},a.loadtimeout=function(e,t){var r=t.frag,i=r.loader;i&&i.abort(),delete this.loaders[r.type],this.hls.trigger(d.a.ERROR,{type:o.b.NETWORK_ERROR,details:o.a.KEY_LOAD_TIMEOUT,fatal:!1,frag:r})},i}(h);var U="NOT_LOADED",N="APPENDING",B="PARTIAL",G="OK",K=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.BUFFER_APPENDED,d.a.FRAG_BUFFERED,d.a.FRAG_LOADED)||this).bufferPadding=.2,r.fragments=Object.create(null),r.timeRanges=Object.create(null),r.config=t.config,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.destroy=function(){this.fragments=Object.create(null),this.timeRanges=Object.create(null),this.config=null,h.prototype.destroy.call(this),e.prototype.destroy.call(this)},a.getBufferedFrag=function(e,t){var r=this.fragments,i=Object.keys(r).filter((function(i){var a=r[i];if(a.body.type!==t)return!1;if(!a.buffered)return!1;var n=a.body;return n.startPTS<=e&&e<=n.endPTS}));if(0===i.length)return null;var a=i.pop();return r[a].body},a.detectEvictedFragments=function(e,t){var r,i,a=this;Object.keys(this.fragments).forEach((function(n){var s=a.fragments[n];if(!0===s.buffered){var o=s.range[e];if(o){r=o.time;for(var l=0;l<r.length;l++)if(i=r[l],!1===a.isTimeBuffered(i.startPTS,i.endPTS,t)){a.removeFragment(s.body);break}}}}))},a.detectPartialFragments=function(e){var t=this,r=this.getFragmentKey(e),i=this.fragments[r];i&&(i.buffered=!0,Object.keys(this.timeRanges).forEach((function(r){if(e.hasElementaryStream(r)){var a=t.timeRanges[r];i.range[r]=t.getBufferedTimes(e.startPTS,e.endPTS,a)}})))},a.getBufferedTimes=function(e,t,r){for(var i,a,n=[],s=!1,o=0;o<r.length;o++){if(i=r.start(o)-this.bufferPadding,a=r.end(o)+this.bufferPadding,e>=i&&t<=a){n.push({startPTS:Math.max(e,r.start(o)),endPTS:Math.min(t,r.end(o))});break}if(e<a&&t>i)n.push({startPTS:Math.max(e,r.start(o)),endPTS:Math.min(t,r.end(o))}),s=!0;else if(t<=i)break}return{time:n,partial:s}},a.getFragmentKey=function(e){return e.type+"_"+e.level+"_"+e.urlId+"_"+e.sn},a.getPartialFragment=function(e){var t,r,i,a=this,n=null,s=0;return Object.keys(this.fragments).forEach((function(o){var l=a.fragments[o];a.isPartial(l)&&(r=l.body.startPTS-a.bufferPadding,i=l.body.endPTS+a.bufferPadding,e>=r&&e<=i&&(t=Math.min(e-r,i-e),s<=t&&(n=l.body,s=t)))})),n},a.getState=function(e){var t=this.getFragmentKey(e),r=this.fragments[t],i=U;return void 0!==r&&(i=r.buffered?!0===this.isPartial(r)?B:G:N),i},a.isPartial=function(e){return!0===e.buffered&&(void 0!==e.range.video&&!0===e.range.video.partial||void 0!==e.range.audio&&!0===e.range.audio.partial)},a.isTimeBuffered=function(e,t,r){for(var i,a,n=0;n<r.length;n++){if(i=r.start(n)-this.bufferPadding,a=r.end(n)+this.bufferPadding,e>=i&&t<=a)return!0;if(t<=i)return!1}return!1},a.onFragLoaded=function(e){var t=e.frag;Object(l.a)(t.sn)&&!t.bitrateTest&&(this.fragments[this.getFragmentKey(t)]={body:t,range:Object.create(null),buffered:!1})},a.onBufferAppended=function(e){var t=this;this.timeRanges=e.timeRanges,Object.keys(this.timeRanges).forEach((function(e){var r=t.timeRanges[e];t.detectEvictedFragments(e,r)}))},a.onFragBuffered=function(e){this.detectPartialFragments(e.frag)},a.hasFragment=function(e){var t=this.getFragmentKey(e);return void 0!==this.fragments[t]},a.removeFragment=function(e){var t=this.getFragmentKey(e);delete this.fragments[t]},a.removeAllFragments=function(){this.fragments=Object.create(null)},i}(h),j={search:function(e,t){for(var r=0,i=e.length-1,a=null,n=null;r<=i;){var s=t(n=e[a=(r+i)/2|0]);if(s>0)r=a+1;else{if(!(s<0))return n;i=a-1}}return null}},H=function(){function e(){}return e.isBuffered=function(e,t){try{if(e)for(var r=e.buffered,i=0;i<r.length;i++)if(t>=r.start(i)&&t<=r.end(i))return!0}catch(e){}return!1},e.bufferInfo=function(e,t,r){try{if(e){var i,a=e.buffered,n=[];for(i=0;i<a.length;i++)n.push({start:a.start(i),end:a.end(i)});return this.bufferedInfo(n,t,r)}}catch(e){}return{len:0,start:t,end:t,nextStart:void 0}},e.bufferedInfo=function(e,t,r){e.sort((function(e,t){var r=e.start-t.start;return r||t.end-e.end}));var i=[];if(r)for(var a=0;a<e.length;a++){var n=i.length;if(n){var s=i[n-1].end;e[a].start-s<r?e[a].end>s&&(i[n-1].end=e[a].end):i.push(e[a])}else i.push(e[a])}else i=e;for(var o,l=0,d=t,u=t,c=0;c<i.length;c++){var h=i[c].start,f=i[c].end;if(t+r>=h&&t<f)d=h,l=(u=f)-t;else if(t+r<h){o=h;break}}return{len:l,start:d,end:u,nextStart:o}},e.getBufferedPosWithinTolerance=function(t,r,i){var a=t?t.currentTime:void 0;if(e.isBuffered(t,a))return r;for(var n=t.buffered,s=0;s<n.length;s++){var o=n.start(s);if(o>a&&o<a+i)return Math.ceil(10*o)/10}return r},e}(),V=r(8),Y=r(11),W=r(9);function q(){return window.MediaSource||window.WebKitMediaSource}var z=r(5);var X=function(e){var t,r;function i(){return e.apply(this,arguments)||this}return r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r,i.prototype.trigger=function(e){for(var t=arguments.length,r=new Array(t>1?t-1:0),i=1;i<t;i++)r[i-1]=arguments[i];this.emit.apply(this,[e,e].concat(r))},i}(V.EventEmitter),Q=Object(z.a)(),$=q()||{isTypeSupported:function(){return!1}},J=function(){function e(e,t){var r=this;this.hls=e,this.id=t;var i=this.observer=new X,a=e.config,n=function(t,i){(i=i||{}).frag=r.frag,i.id=r.id,e.trigger(t,i)};i.on(d.a.FRAG_DECRYPTED,n),i.on(d.a.FRAG_PARSING_INIT_SEGMENT,n),i.on(d.a.FRAG_PARSING_DATA,n),i.on(d.a.FRAG_PARSED,n),i.on(d.a.ERROR,n),i.on(d.a.FRAG_PARSING_METADATA,n),i.on(d.a.FRAG_PARSING_USERDATA,n),i.on(d.a.INIT_PTS_FOUND,n);var s={mp4:$.isTypeSupported("video/mp4"),mpeg:$.isTypeSupported("audio/mpeg"),mp3:$.isTypeSupported('audio/mp4; codecs="mp3"')},l=navigator.vendor;if(a.enableWorker&&"undefined"!=typeof Worker){var c;u.b.log("demuxing in webworker");try{c=this.w=Y(12),this.onwmsg=this.onWorkerMessage.bind(this),c.addEventListener("message",this.onwmsg),c.onerror=function(t){e.trigger(d.a.ERROR,{type:o.b.OTHER_ERROR,details:o.a.INTERNAL_EXCEPTION,fatal:!0,event:"demuxerWorker",err:{message:t.message+" ("+t.filename+":"+t.lineno+")"}})},c.postMessage({cmd:"init",typeSupported:s,vendor:l,id:t,config:JSON.stringify(a)})}catch(e){u.b.warn("Error in worker:",e),u.b.error("Error while initializing DemuxerWorker, fallback on DemuxerInline"),c&&Q.URL.revokeObjectURL(c.objectURL),this.demuxer=new W.a(i,s,a,l),this.w=void 0}}else this.demuxer=new W.a(i,s,a,l)}var t=e.prototype;return t.destroy=function(){var e=this.w;if(e)e.removeEventListener("message",this.onwmsg),e.terminate(),this.w=null;else{var t=this.demuxer;t&&(t.destroy(),this.demuxer=null)}var r=this.observer;r&&(r.removeAllListeners(),this.observer=null)},t.push=function(e,t,r,i,a,n,s,o){var d=this.w,c=Object(l.a)(a.startPTS)?a.startPTS:a.start,h=a.decryptdata,f=this.frag,g=!(f&&a.cc===f.cc),p=!(f&&a.level===f.level),v=f&&a.sn===f.sn+1,m=!p&&v;if(g&&u.b.log(this.id+":discontinuity detected"),p&&u.b.log(this.id+":switch detected"),this.frag=a,d)d.postMessage({cmd:"demux",data:e,decryptdata:h,initSegment:t,audioCodec:r,videoCodec:i,timeOffset:c,discontinuity:g,trackSwitch:p,contiguous:m,duration:n,accurateTimeOffset:s,defaultInitPTS:o},e instanceof ArrayBuffer?[e]:[]);else{var y=this.demuxer;y&&y.push(e,h,t,r,i,c,g,p,m,n,s,o)}},t.onWorkerMessage=function(e){var t=e.data,r=this.hls;switch(t.event){case"init":Q.URL.revokeObjectURL(this.w.objectURL);break;case d.a.FRAG_PARSING_DATA:t.data.data1=new Uint8Array(t.data1),t.data2&&(t.data.data2=new Uint8Array(t.data2));default:t.data=t.data||{},t.data.frag=this.frag,t.data.id=this.id,r.trigger(t.event,t.data)}},e}();function Z(e,t,r){switch(t){case"audio":e.audioGroupIds||(e.audioGroupIds=[]),e.audioGroupIds.push(r);break;case"text":e.textGroupIds||(e.textGroupIds=[]),e.textGroupIds.push(r)}}function ee(e,t,r){var i=e[t],a=e[r],n=a.startPTS;Object(l.a)(n)?r>t?(i.duration=n-i.start,i.duration<0&&u.b.warn("negative duration computed for frag "+i.sn+",level "+i.level+", there should be some duration drift between playlist and fragment!")):(a.duration=i.start-n,a.duration<0&&u.b.warn("negative duration computed for frag "+a.sn+",level "+a.level+", there should be some duration drift between playlist and fragment!")):a.start=r>t?i.start+i.duration:Math.max(i.start-a.duration,0)}function te(e,t,r,i,a,n){var s=r;if(Object(l.a)(t.startPTS)){var o=Math.abs(t.startPTS-r);Object(l.a)(t.deltaPTS)?t.deltaPTS=Math.max(o,t.deltaPTS):t.deltaPTS=o,s=Math.max(r,t.startPTS),r=Math.min(r,t.startPTS),i=Math.max(i,t.endPTS),a=Math.min(a,t.startDTS),n=Math.max(n,t.endDTS)}var d=r-t.start;t.start=t.startPTS=r,t.maxStartPTS=s,t.endPTS=i,t.startDTS=a,t.endDTS=n,t.duration=i-r;var u,c,h,f=t.sn;if(!e||f<e.startSN||f>e.endSN)return 0;for(u=f-e.startSN,(c=e.fragments)[u]=t,h=u;h>0;h--)ee(c,h,h-1);for(h=u;h<c.length-1;h++)ee(c,h,h+1);return e.PTSKnown=!0,d}function re(e,t){t.initSegment&&e.initSegment&&(t.initSegment=e.initSegment);var r,i=0;if(ie(e,t,(function(e,a){i=e.cc-a.cc,Object(l.a)(e.startPTS)&&(a.start=a.startPTS=e.startPTS,a.endPTS=e.endPTS,a.duration=e.duration,a.backtracked=e.backtracked,a.dropped=e.dropped,r=a),t.PTSKnown=!0})),t.PTSKnown){if(i){u.b.log("discontinuity sliding from playlist, take drift into account");for(var a=t.fragments,n=0;n<a.length;n++)a[n].cc+=i}r?te(t,r,r.startPTS,r.endPTS,r.startDTS,r.endDTS):function(e,t){var r=t.startSN-e.startSN,i=e.fragments,a=t.fragments;if(r<0||r>i.length)return;for(var n=0;n<a.length;n++)a[n].start+=i[r].start}(e,t),t.PTSKnown=e.PTSKnown}}function ie(e,t,r){if(e&&t)for(var i=Math.max(e.startSN,t.startSN)-t.startSN,a=Math.min(e.endSN,t.endSN)-t.startSN,n=t.startSN-e.startSN,s=i;s<=a;s++){var o=e.fragments[n+s],l=t.fragments[s];if(!o||!l)break;r(o,l,s)}}function ae(e,t,r){var i=1e3*(t.averagetargetduration?t.averagetargetduration:t.targetduration),a=i/2;return e&&t.endSN===e.endSN&&(i=a),r&&(i=Math.max(a,i-(window.performance.now()-r))),Math.round(i)}var ne={toString:function(e){for(var t="",r=e.length,i=0;i<r;i++)t+="["+e.start(i).toFixed(3)+","+e.end(i).toFixed(3)+"]";return t}};function se(e,t){t.fragments.forEach((function(t){if(t){var r=t.start+e;t.start=t.startPTS=r,t.endPTS=r+t.duration}})),t.PTSKnown=!0}function oe(e,t,r){!function(e,t,r){if(function(e,t,r){var i=!1;return t&&t.details&&r&&(r.endCC>r.startCC||e&&e.cc<r.startCC)&&(i=!0),i}(e,r,t)){var i=function(e,t){var r=e.fragments,i=t.fragments;if(i.length&&r.length){var a=function(e,t){for(var r=null,i=0;i<e.length;i+=1){var a=e[i];if(a&&a.cc===t){r=a;break}}return r}(r,i[0].cc);if(a&&(!a||a.startPTS))return a;u.b.log("No frag in previous level to align on")}else u.b.log("No fragments to align")}(r.details,t);i&&(u.b.log("Adjusting PTS using last level due to CC increase within current level"),se(i.start,t))}}(e,r,t),!r.PTSKnown&&t&&function(e,t){if(t&&t.fragments.length){if(!e.hasProgramDateTime||!t.hasProgramDateTime)return;var r=t.fragments[0].programDateTime,i=(e.fragments[0].programDateTime-r)/1e3+t.fragments[0].start;Object(l.a)(i)&&(u.b.log("adjusting PTS using programDateTime delta, sliding:"+i.toFixed(3)),se(i,e))}}(r,t.details)}function le(e,t,r){if(null===t||!Array.isArray(e)||!e.length||!Object(l.a)(t))return null;if(t<(e[0].programDateTime||0))return null;if(t>=(e[e.length-1].endProgramDateTime||0))return null;r=r||0;for(var i=0;i<e.length;++i){var a=e[i];if(ce(t,r,a))return a}return null}function de(e,t,r,i){void 0===r&&(r=0),void 0===i&&(i=0);var a=e?t[e.sn-t[0].sn+1]:null;return a&&!ue(r,i,a)?a:j.search(t,ue.bind(null,r,i))}function ue(e,t,r){void 0===e&&(e=0),void 0===t&&(t=0);var i=Math.min(t,r.duration+(r.deltaPTS?r.deltaPTS:0));return r.start+r.duration-i<=e?1:r.start-i>e&&r.start?-1:0}function ce(e,t,r){var i=1e3*Math.min(t,r.duration+(r.deltaPTS?r.deltaPTS:0));return(r.endProgramDateTime||0)-i>e}var he=function(){function e(e,t,r,i){this.config=e,this.media=t,this.fragmentTracker=r,this.hls=i,this.nudgeRetry=0,this.stallReported=!1,this.stalled=null,this.moved=!1,this.seeking=!1}var t=e.prototype;return t.poll=function(e){var t=this.config,r=this.media,i=this.stalled,a=r.currentTime,n=r.seeking,s=this.seeking&&!n,o=!this.seeking&&n;if(this.seeking=n,a===e){if((o||s)&&(this.stalled=null),this.config.seekWithinTolerance&&(n||s)&&this.seekWithinToleranceIfNeeded(),!r.paused&&!r.ended&&0!==r.playbackRate&&r.buffered.length){var l=H.bufferInfo(r,a,0),d=l.len>0,c=l.nextStart||0;if(d||c){if(n){if(l.len>2||(!c||c-a>2))return;this.moved=!1}if(!this.moved&&this.stalled){var h=Math.max(c,l.start||0)-a;if(h>0&&h<=2)return void this._trySkipBufferHole(null)}var f=self.performance.now();if(null!==i){var g=f-i;!n&&g>=250&&this._reportStall(l.len);var p=H.bufferInfo(r,a,t.maxBufferHole);this._tryFixBufferStall(p,g)}else this.stalled=f}}}else if(this.moved=!0,null!==i){if(this.stallReported){var v=self.performance.now()-i;u.b.warn("playback not stuck anymore @"+a+", after "+Math.round(v)+"ms"),this.stallReported=!1}this.stalled=null,this.nudgeRetry=0}},t.seekWithinToleranceIfNeeded=function(){var e=this.media,t=e?e.currentTime:void 0,r=this.config.maxFragLookUpTolerance,i=H.getBufferedPosWithinTolerance(e,t,r);return t!==i&&(u.b.log("seeking to position within maxFragLookUpTolerance - "+i),e.currentTime=i,!0)},t._tryFixBufferStall=function(e,t){var r=this.config,i=this.fragmentTracker,a=this.media.currentTime,n=i.getPartialFragment(a);if(n&&this._trySkipBufferHole(n))return;e.len>r.maxBufferHole&&t>1e3*r.highBufferWatchdogPeriod&&(u.b.warn("Trying to nudge playhead over buffer-hole"),this.stalled=null,this._tryNudgeBuffer())},t._reportStall=function(e){var t=this.hls,r=this.media;this.stallReported||(this.stallReported=!0,u.b.warn("Playback stalling at @"+r.currentTime+" due to low buffer"),t.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_STALLED_ERROR,fatal:!1,buffer:e}))},t._trySkipBufferHole=function(e){for(var t=this.config,r=this.hls,i=this.media,a=i.currentTime,n=0,s=0;s<i.buffered.length;s++){var l=i.buffered.start(s);if(a+t.maxBufferHole>=n&&a<l){var c=Math.max(l+.05,i.currentTime+.1);return u.b.warn("skipping hole, adjusting currentTime from "+a+" to "+c),this.moved=!0,this.stalled=null,i.currentTime=c,e&&r.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_SEEK_OVER_HOLE,fatal:!1,reason:"fragment loaded with buffer holes, seeking from "+a+" to "+c,frag:e}),c}n=i.buffered.end(s)}return 0},t._tryNudgeBuffer=function(){var e=this.config,t=this.hls,r=this.media,i=r.currentTime,a=(this.nudgeRetry||0)+1;if(this.nudgeRetry=a,a<e.nudgeMaxRetry){var n=i+a*e.nudgeOffset;u.b.warn("Nudging 'currentTime' from "+i+" to "+n),r.currentTime=n,t.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_NUDGE_ON_STALL,fatal:!1})}else u.b.error("Playhead still not moving while enough data buffered @"+i+" after "+e.nudgeMaxRetry+" nudges"),t.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_STALLED_ERROR,fatal:!0})},e}();function fe(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}var ge=function(e){var t,r;function i(t){for(var r,i=arguments.length,a=new Array(i>1?i-1:0),n=1;n<i;n++)a[n-1]=arguments[n];return(r=e.call.apply(e,[this,t].concat(a))||this)._boundTick=void 0,r._tickTimer=null,r._tickInterval=null,r._tickCallCount=0,r._boundTick=r.tick.bind(fe(r)),r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.onHandlerDestroying=function(){this.clearNextTick(),this.clearInterval()},a.hasInterval=function(){return!!this._tickInterval},a.hasNextTick=function(){return!!this._tickTimer},a.setInterval=function(e){return!this._tickInterval&&(this._tickInterval=self.setInterval(this._boundTick,e),!0)},a.clearInterval=function(){return!!this._tickInterval&&(self.clearInterval(this._tickInterval),this._tickInterval=null,!0)},a.clearNextTick=function(){return!!this._tickTimer&&(self.clearTimeout(this._tickTimer),this._tickTimer=null,!0)},a.tick=function(){this._tickCallCount++,1===this._tickCallCount&&(this.doTick(),this._tickCallCount>1&&(this.clearNextTick(),this._tickTimer=self.setTimeout(this._boundTick,0)),this._tickCallCount=0)},a.doTick=function(){},i}(h);var pe="STOPPED",ve="STARTING",me="IDLE",ye="PAUSED",be="KEY_LOADING",Te="FRAG_LOADING",Ee="FRAG_LOADING_WAITING_RETRY",Se="WAITING_TRACK",_e="PARSING",Ae="PARSED",Re="BUFFER_FLUSHING",ke="ENDED",we="ERROR",Le="WAITING_INIT_PTS",De="WAITING_LEVEL",Ce=function(e){var t,r;function i(){return e.apply(this,arguments)||this}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.doTick=function(){},a.startLoad=function(){},a.stopLoad=function(){var e=this.fragCurrent;e&&(e.loader&&e.loader.abort(),this.fragmentTracker.removeFragment(e)),this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.fragCurrent=null,this.fragPrevious=null,this.clearInterval(),this.clearNextTick(),this.state=pe},a._streamEnded=function(e,t){var r=this.fragCurrent,i=this.fragmentTracker;if(!t.live&&r&&!r.backtracked&&r.sn===t.endSN&&!e.nextStart){var a=i.getState(r);return a===B||a===G}return!1},a.onMediaSeeking=function(){var e=this.config,t=this.media,r=this.mediaBuffer,i=this.state,a=t?t.currentTime:null,n=H.bufferInfo(r||t,a,this.config.maxBufferHole);if(Object(l.a)(a)&&u.b.log("media seeking to "+a.toFixed(3)),i===Te){var s=this.fragCurrent;if(0===n.len&&s){var o=e.maxFragLookUpTolerance,d=s.start-o,c=s.start+s.duration+o;a<d||a>c?(s.loader&&(u.b.log("seeking outside of buffer while fragment load in progress, cancel fragment load"),s.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.state=me):u.b.log("seeking outside of buffer but within currently loaded fragment range")}}else i===ke&&(0===n.len&&(this.fragPrevious=null,this.fragCurrent=null),this.state=me);t&&(this.lastCurrentTime=a),this.loadedmetadata||(this.nextLoadPosition=this.startPosition=a),this.tick()},a.onMediaEnded=function(){this.startPosition=this.lastCurrentTime=0},a.onHandlerDestroying=function(){this.stopLoad(),e.prototype.onHandlerDestroying.call(this)},a.onHandlerDestroyed=function(){this.state=pe,this.fragmentTracker=null},a.computeLivePosition=function(e,t){var r=void 0!==this.config.liveSyncDuration?this.config.liveSyncDuration:this.config.liveSyncDurationCount*t.targetduration;return e+Math.max(0,t.totalduration-r)},i}(ge);function Ie(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var Oe=function(e){var t,r;function i(t,r){var i;return(i=e.call(this,t,d.a.MEDIA_ATTACHED,d.a.MEDIA_DETACHING,d.a.MANIFEST_LOADING,d.a.MANIFEST_PARSED,d.a.LEVEL_LOADED,d.a.KEY_LOADED,d.a.FRAG_LOADED,d.a.FRAG_LOAD_EMERGENCY_ABORTED,d.a.FRAG_PARSING_INIT_SEGMENT,d.a.FRAG_PARSING_DATA,d.a.FRAG_PARSED,d.a.ERROR,d.a.AUDIO_TRACK_SWITCHING,d.a.AUDIO_TRACK_SWITCHED,d.a.BUFFER_CREATED,d.a.BUFFER_APPENDED,d.a.BUFFER_FLUSHED)||this).fragmentTracker=r,i.config=t.config,i.audioCodecSwap=!1,i._state=pe,i.stallReported=!1,i.gapController=null,i.altAudio=!1,i}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,s,c,h=i.prototype;return h.startLoad=function(e){if(this.levels){var t=this.lastCurrentTime,r=this.hls;if(this.stopLoad(),this.setInterval(100),this.level=-1,this.fragLoadError=0,!this.startFragRequested){var i=r.startLevel;-1===i&&(i=0,this.bitrateTest=!0),this.level=r.nextLoadLevel=i,this.loadedmetadata=!1}t>0&&-1===e&&(u.b.log("override startPosition with lastCurrentTime @"+t.toFixed(3)),e=t),this.state=me,this.nextLoadPosition=this.startPosition=this.lastCurrentTime=e,this.tick()}else this.forceStartLoad=!0,this.state=pe},h.stopLoad=function(){this.forceStartLoad=!1,e.prototype.stopLoad.call(this)},h.doTick=function(){switch(this.state){case Re:this.fragLoadError=0;break;case me:this._doTickIdle();break;case De:var e=this.levels[this.level];e&&e.details&&(this.state=me);break;case Ee:var t=window.performance.now(),r=this.retryDate;(!r||t>=r||this.media&&this.media.seeking)&&(u.b.log("mediaController: retryDate reached, switch back to IDLE state"),this.state=me)}this._checkBuffer(),this._checkFragmentChanged()},h._doTickIdle=function(){var e=this.hls,t=e.config,r=this.media;if(void 0!==this.levelLastLoaded&&(r||!this.startFragRequested&&t.startFragPrefetch)){var i;i=this.loadedmetadata?r.currentTime:this.nextLoadPosition;var a=e.nextLoadLevel,n=this.levels[a];if(n){var s,o=n.bitrate;s=o?Math.max(8*t.maxBufferSize/o,t.maxBufferLength):t.maxBufferLength,s=Math.min(s,t.maxMaxBufferLength);var l=H.bufferInfo(this.mediaBuffer?this.mediaBuffer:r,i,t.maxBufferHole),c=l.len;if(!(c>=s)){u.b.trace("buffer length of "+c.toFixed(3)+" is below max of "+s.toFixed(3)+". checking for more payload ..."),this.level=e.nextLoadLevel=a;var h=n.details;if(!h||h.live&&this.levelLastLoaded!==a)this.state=De;else{if(this._streamEnded(l,h)){var f={};return this.altAudio&&(f.type="video"),this.hls.trigger(d.a.BUFFER_EOS,f),void(this.state=ke)}this._fetchPayloadOrEos(i,l,h)}}}}},h._fetchPayloadOrEos=function(e,t,r){var i=this.fragPrevious,a=this.level,n=r.fragments,s=n.length;if(0!==s){var o,l=n[0].start,d=n[s-1].start+n[s-1].duration,c=t.end;if(r.initSegment&&!r.initSegment.data)o=r.initSegment;else if(r.live){var h=this.config.initialLiveManifestSize;if(s<h)return void u.b.warn("Can not start playback of a level, reason: not enough fragments "+s+" < "+h);if(null===(o=this._ensureFragmentAtLivePoint(r,c,l,d,i,n,s)))return}else c<l&&(o=n[0]);o||(o=this._findFragment(l,i,s,n,c,d,r)),o&&(o.encrypted?(u.b.log("Loading key for "+o.sn+" of ["+r.startSN+" ,"+r.endSN+"],level "+a),this._loadKey(o)):(u.b.log("Loading "+o.sn+" of ["+r.startSN+" ,"+r.endSN+"],level "+a+", currentTime:"+e.toFixed(3)+",bufferEnd:"+c.toFixed(3)),this._loadFragment(o)))}},h._ensureFragmentAtLivePoint=function(e,t,r,i,a,n,s){var o,l=this.hls.config,d=this.media,c=void 0!==l.liveMaxLatencyDuration?l.liveMaxLatencyDuration:l.liveMaxLatencyDurationCount*e.targetduration;if(t<Math.max(r-l.maxFragLookUpTolerance,i-c)){var h=this.liveSyncPosition=this.computeLivePosition(r,e);t=h,d&&!d.paused&&d.readyState&&d.duration>h&&h>d.currentTime&&(u.b.log("buffer end: "+t.toFixed(3)+" is located too far from the end of live sliding playlist, reset currentTime to : "+h.toFixed(3)),d.currentTime=h),this.nextLoadPosition=h}if(e.PTSKnown&&t>i&&d&&d.readyState)return null;if(this.startFragRequested&&!e.PTSKnown){if(a)if(e.hasProgramDateTime)u.b.log("live playlist, switching playlist, load frag with same PDT: "+a.programDateTime),o=le(n,a.endProgramDateTime,l.maxFragLookUpTolerance);else{var f=a.sn+1;if(f>=e.startSN&&f<=e.endSN){var g=n[f-e.startSN];a.cc===g.cc&&(o=g,u.b.log("live playlist, switching playlist, load frag with next SN: "+o.sn))}o||(o=j.search(n,(function(e){return a.cc-e.cc})))&&u.b.log("live playlist, switching playlist, load frag with same CC: "+o.sn)}o||(o=n[Math.min(s-1,Math.round(s/2))],u.b.log("live playlist, switching playlist, unknown, load middle frag : "+o.sn))}return o},h._findFragment=function(e,t,r,i,a,n,s){var o,l=this.hls.config;a<n?o=de(t,i,a,a>n-l.maxFragLookUpTolerance?0:l.maxFragLookUpTolerance):o=i[r-1];if(o){var d=o.sn-s.startSN,c=t&&o.level===t.level,h=i[d-1],f=i[d+1];if(t&&o.sn===t.sn)if(c&&!o.backtracked)if(o.sn<s.endSN){var g=t.deltaPTS;g&&g>l.maxBufferHole&&t.dropped&&d?(o=h,u.b.warn("Previous fragment was dropped with large PTS gap between audio and video. Maybe fragment is not starting with a keyframe? Loading previous one to try to overcome this")):(o=f,u.b.log("Re-loading fragment with SN: "+o.sn))}else o=null;else o.backtracked&&(f&&f.backtracked?(u.b.warn("Already backtracked from fragment "+f.sn+", will not backtrack to fragment "+o.sn+". Loading fragment "+f.sn),o=f):(u.b.warn("Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe"),o.dropped=0,h?(o=h).backtracked=!0:d&&(o=null)))}return o},h._loadKey=function(e){this.state=be,this.hls.trigger(d.a.KEY_LOADING,{frag:e})},h._loadFragment=function(e){var t=this.fragmentTracker.getState(e);this.fragCurrent=e,"initSegment"!==e.sn&&(this.startFragRequested=!0),Object(l.a)(e.sn)&&!e.bitrateTest&&(this.nextLoadPosition=e.start+e.duration),e.backtracked||t===U||t===B?(e.autoLevel=this.hls.autoLevelEnabled,e.bitrateTest=this.bitrateTest,this.hls.trigger(d.a.FRAG_LOADING,{frag:e}),this.demuxer||(this.demuxer=new J(this.hls,"main")),this.state=Te):t===N&&this._reduceMaxBufferLength(e.duration)&&this.fragmentTracker.removeFragment(e)},h.getBufferedFrag=function(e){return this.fragmentTracker.getBufferedFrag(e,n.MAIN)},h.followingBufferedFrag=function(e){return e?this.getBufferedFrag(e.endPTS+.5):null},h._checkFragmentChanged=function(){var e,t,r=this.media;if(r&&r.readyState&&!1===r.seeking&&((t=r.currentTime)>this.lastCurrentTime&&(this.lastCurrentTime=t),H.isBuffered(r,t)?e=this.getBufferedFrag(t):H.isBuffered(r,t+.1)&&(e=this.getBufferedFrag(t+.1)),e)){var i=e;if(i!==this.fragPlaying){this.hls.trigger(d.a.FRAG_CHANGED,{frag:i});var a=i.level;this.fragPlaying&&this.fragPlaying.level===a||this.hls.trigger(d.a.LEVEL_SWITCHED,{level:a}),this.fragPlaying=i}}},h.immediateLevelSwitch=function(){if(u.b.log("immediateLevelSwitch"),!this.immediateSwitch){this.immediateSwitch=!0;var e,t=this.media;t?(e=t.paused,t.pause()):e=!0,this.previouslyPaused=e}var r=this.fragCurrent;r&&r.loader&&r.loader.abort(),this.fragCurrent=null,this.flushMainBuffer(0,Number.POSITIVE_INFINITY)},h.immediateLevelSwitchEnd=function(){var e=this.media;e&&e.buffered.length&&(this.immediateSwitch=!1,H.isBuffered(e,e.currentTime)&&(e.currentTime-=1e-4),this.previouslyPaused||e.play())},h.nextLevelSwitch=function(){var e=this.media;if(e&&e.readyState){var t,r,i;if((r=this.getBufferedFrag(e.currentTime))&&r.startPTS>1&&this.flushMainBuffer(0,r.startPTS-1),e.paused)t=0;else{var a=this.hls.nextLoadLevel,n=this.levels[a],s=this.fragLastKbps;t=s&&this.fragCurrent?this.fragCurrent.duration*n.bitrate/(1e3*s)+1:0}if((i=this.getBufferedFrag(e.currentTime+t))&&(i=this.followingBufferedFrag(i))){var o=this.fragCurrent;o&&o.loader&&o.loader.abort(),this.fragCurrent=null,this.flushMainBuffer(i.maxStartPTS,Number.POSITIVE_INFINITY)}}},h.flushMainBuffer=function(e,t){this.state=Re;var r={startOffset:e,endOffset:t};this.altAudio&&(r.type="video"),this.hls.trigger(d.a.BUFFER_FLUSHING,r)},h.onMediaAttached=function(e){var t=this.media=this.mediaBuffer=e.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvseeked=this.onMediaSeeked.bind(this),this.onvended=this.onMediaEnded.bind(this),t.addEventListener("seeking",this.onvseeking),t.addEventListener("seeked",this.onvseeked),t.addEventListener("ended",this.onvended);var r=this.config;this.levels&&r.autoStartLoad&&this.hls.startLoad(r.startPosition),this.gapController=new he(r,t,this.fragmentTracker,this.hls)},h.onMediaDetaching=function(){var e=this.media;e&&e.ended&&(u.b.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0);var t=this.levels;t&&t.forEach((function(e){e.details&&e.details.fragments.forEach((function(e){e.backtracked=void 0}))})),e&&(e.removeEventListener("seeking",this.onvseeking),e.removeEventListener("seeked",this.onvseeked),e.removeEventListener("ended",this.onvended),this.onvseeking=this.onvseeked=this.onvended=null),this.fragmentTracker.removeAllFragments(),this.media=this.mediaBuffer=null,this.loadedmetadata=!1,this.stopLoad()},h.onMediaSeeked=function(){var e=this.media,t=e?e.currentTime:void 0;this.config.seekWithinTolerance&&this.gapController.seekWithinToleranceIfNeeded()||this.hls.trigger(d.a.CAN_PLAY_AFTER_SEEK),Object(l.a)(t)&&u.b.log("media seeked to "+t.toFixed(3)),this.tick()},h.onManifestLoading=function(){u.b.log("trigger BUFFER_RESET"),this.hls.trigger(d.a.BUFFER_RESET),this.fragmentTracker.removeAllFragments(),this.stalled=!1,this.startPosition=this.lastCurrentTime=0},h.onManifestParsed=function(e){var t,r=!1,i=!1;e.levels.forEach((function(e){(t=e.audioCodec)&&(-1!==t.indexOf("mp4a.40.2")&&(r=!0),-1!==t.indexOf("mp4a.40.5")&&(i=!0))})),this.audioCodecSwitch=r&&i,this.audioCodecSwitch&&u.b.log("both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC"),this.altAudio=e.altAudio,this.levels=e.levels,this.startFragRequested=!1;var a=this.config;(a.autoStartLoad||this.forceStartLoad)&&this.hls.startLoad(a.startPosition)},h.onLevelLoaded=function(e){var t=e.details,r=e.level,i=this.levels[this.levelLastLoaded],a=this.levels[r],n=t.totalduration,s=0;if(u.b.log("level "+r+" loaded ["+t.startSN+","+t.endSN+"],duration:"+n),t.live){var o=a.details;o&&t.fragments.length>0?(re(o,t),s=t.fragments[0].start,this.liveSyncPosition=this.computeLivePosition(s,o),t.PTSKnown&&Object(l.a)(s)?u.b.log("live playlist sliding:"+s.toFixed(3)):(u.b.log("live playlist - outdated PTS, unknown sliding"),oe(this.fragPrevious,i,t))):(u.b.log("live playlist - first load, unknown sliding"),t.PTSKnown=!1,oe(this.fragPrevious,i,t))}else t.PTSKnown=!1;if(a.details=t,this.levelLastLoaded=r,this.hls.trigger(d.a.LEVEL_UPDATED,{details:t,level:r}),!1===this.startFragRequested){if(-1===this.startPosition||-1===this.lastCurrentTime){var c=t.startTimeOffset;Object(l.a)(c)?(c<0&&(u.b.log("negative start time offset "+c+", count from end of last fragment"),c=s+n+c),u.b.log("start time offset found in playlist, adjust startPosition to "+c),this.startPosition=c):t.live?(this.startPosition=this.computeLivePosition(s,t),u.b.log("configure startPosition to "+this.startPosition)):this.startPosition=0,this.lastCurrentTime=this.startPosition}this.nextLoadPosition=this.startPosition}this.state===De&&(this.state=me),this.tick()},h.onKeyLoaded=function(){this.state===be&&(this.state=me,this.tick())},h.onFragLoaded=function(e){var t=this.fragCurrent,r=this.hls,i=this.levels,a=this.media,n=e.frag;if(this.state===Te&&t&&"main"===n.type&&n.level===t.level&&n.sn===t.sn){var s=e.stats,o=i[t.level],l=o.details;if(this.bitrateTest=!1,this.stats=s,u.b.log("Loaded "+t.sn+" of ["+l.startSN+" ,"+l.endSN+"],level "+t.level),n.bitrateTest&&r.nextLoadLevel)this.state=me,this.startFragRequested=!1,s.tparsed=s.tbuffered=window.performance.now(),r.trigger(d.a.FRAG_BUFFERED,{stats:s,frag:t,id:"main"}),this.tick();else if("initSegment"===n.sn)this.state=me,s.tparsed=s.tbuffered=window.performance.now(),l.initSegment.data=e.payload,r.trigger(d.a.FRAG_BUFFERED,{stats:s,frag:t,id:"main"}),this.tick();else{u.b.log("Parsing "+t.sn+" of ["+l.startSN+" ,"+l.endSN+"],level "+t.level+", cc "+t.cc),this.state=_e,this.pendingBuffering=!0,this.appended=!1,n.bitrateTest&&(n.bitrateTest=!1,this.fragmentTracker.onFragLoaded({frag:n}));var c=!(a&&a.seeking)&&(l.PTSKnown||!l.live),h=l.initSegment?l.initSegment.data:[],f=this._getAudioCodec(o);(this.demuxer=this.demuxer||new J(this.hls,"main")).push(e.payload,h,f,o.videoCodec,t,l.totalduration,c)}}this.fragLoadError=0},h.onFragParsingInitSegment=function(e){var t=this.fragCurrent,r=e.frag;if(t&&"main"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===_e){var i,a,n=e.tracks;if(n.audio&&this.altAudio&&delete n.audio,a=n.audio){var s=this.levels[this.level].audioCodec,o=navigator.userAgent.toLowerCase();s&&this.audioCodecSwap&&(u.b.log("swapping playlist audio codec"),s=-1!==s.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5"),this.audioCodecSwitch&&1!==a.metadata.channelCount&&-1===o.indexOf("firefox")&&(s="mp4a.40.5"),-1!==o.indexOf("android")&&"audio/mpeg"!==a.container&&(s="mp4a.40.2",u.b.log("Android: force audio codec to "+s)),a.levelCodec=s,a.id=e.id}for(i in(a=n.video)&&(a.levelCodec=this.levels[this.level].videoCodec,a.id=e.id),this.hls.trigger(d.a.BUFFER_CODECS,n),n){a=n[i],u.b.log("main track:"+i+",container:"+a.container+",codecs[level/parsed]=["+a.levelCodec+"/"+a.codec+"]");var l=a.initSegment;l&&(this.appended=!0,this.pendingBuffering=!0,this.hls.trigger(d.a.BUFFER_APPENDING,{type:i,data:l,parent:"main",content:"initSegment"}))}this.tick()}},h.onFragParsingData=function(e){var t=this,r=this.fragCurrent,i=e.frag;if(r&&"main"===e.id&&i.sn===r.sn&&i.level===r.level&&("audio"!==e.type||!this.altAudio)&&this.state===_e){var a=this.levels[this.level],n=r;if(Object(l.a)(e.endPTS)||(e.endPTS=e.startPTS+r.duration,e.endDTS=e.startDTS+r.duration),!0===e.hasAudio&&n.addElementaryStream(p.AUDIO),!0===e.hasVideo&&n.addElementaryStream(p.VIDEO),u.b.log("Parsed "+e.type+",PTS:["+e.startPTS.toFixed(3)+","+e.endPTS.toFixed(3)+"],DTS:["+e.startDTS.toFixed(3)+"/"+e.endDTS.toFixed(3)+"],nb:"+e.nb+",dropped:"+(e.dropped||0)),"video"===e.type)if(n.dropped=e.dropped,n.dropped)if(n.backtracked)u.b.warn("Already backtracked on this fragment, appending with the gap",n.sn);else{var s=a.details;if(!s||n.sn!==s.startSN)return u.b.warn("missing video frame(s), backtracking fragment",n.sn),this.fragmentTracker.removeFragment(n),n.backtracked=!0,this.nextLoadPosition=e.startPTS,this.state=me,this.fragPrevious=n,void this.tick();u.b.warn("missing video frame(s) on first frag, appending with gap",n.sn)}else n.backtracked=!1;var o=te(a.details,n,e.startPTS,e.endPTS,e.startDTS,e.endDTS),c=this.hls;c.trigger(d.a.LEVEL_PTS_UPDATED,{details:a.details,level:this.level,drift:o,type:e.type,start:e.startPTS,end:e.endPTS}),[e.data1,e.data2].forEach((function(r){r&&r.length&&t.state===_e&&(t.appended=!0,t.pendingBuffering=!0,c.trigger(d.a.BUFFER_APPENDING,{type:e.type,data:r,parent:"main",content:"data"}))})),this.tick()}},h.onFragParsed=function(e){var t=this.fragCurrent,r=e.frag;t&&"main"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===_e&&(this.stats.tparsed=window.performance.now(),this.state=Ae,this._checkAppendedParsed())},h.onAudioTrackSwitching=function(e){var t=!!e.url,r=e.id;if(!t){if(this.mediaBuffer!==this.media){u.b.log("switching on main audio, use media.buffered to schedule main fragment loading"),this.mediaBuffer=this.media;var i=this.fragCurrent;i.loader&&(u.b.log("switching to main audio track, cancel main fragment load"),i.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.state=me}var a=this.hls;a.trigger(d.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),a.trigger(d.a.AUDIO_TRACK_SWITCHED,{id:r}),this.altAudio=!1}},h.onAudioTrackSwitched=function(e){var t=e.id,r=!!this.hls.audioTracks[t].url;if(r){var i=this.videoBuffer;i&&this.mediaBuffer!==i&&(u.b.log("switching on alternate audio, use video.buffered to schedule main fragment loading"),this.mediaBuffer=i)}this.altAudio=r,this.tick()},h.onBufferCreated=function(e){var t,r,i=e.tracks,a=!1;for(var n in i){var s=i[n];"main"===s.id?(r=n,t=s,"video"===n&&(this.videoBuffer=i[n].buffer)):a=!0}a&&t?(u.b.log("alternate track found, use "+r+".buffered to schedule main fragment loading"),this.mediaBuffer=t.buffer):this.mediaBuffer=this.media},h.onBufferAppended=function(e){if("main"===e.parent){var t=this.state;t!==_e&&t!==Ae||(this.pendingBuffering=e.pending>0,this._checkAppendedParsed())}},h._checkAppendedParsed=function(){if(!(this.state!==Ae||this.appended&&this.pendingBuffering)){var e=this.fragCurrent;if(e){var t=this.mediaBuffer?this.mediaBuffer:this.media;u.b.log("main buffered : "+ne.toString(t.buffered)),this.fragPrevious=e;var r=this.stats;r.tbuffered=window.performance.now(),this.fragLastKbps=Math.round(8*r.total/(r.tbuffered-r.tfirst)),this.hls.trigger(d.a.FRAG_BUFFERED,{stats:r,frag:e,id:"main"}),this.state=me}this.tick()}},h.onError=function(e){var t=e.frag||this.fragCurrent;if(!t||"main"===t.type){var r=!!this.media&&H.isBuffered(this.media,this.media.currentTime)&&H.isBuffered(this.media,this.media.currentTime+.5);switch(e.details){case o.a.FRAG_LOAD_ERROR:case o.a.FRAG_LOAD_TIMEOUT:case o.a.KEY_LOAD_ERROR:case o.a.KEY_LOAD_TIMEOUT:if(!e.fatal)if(this.fragLoadError+1<=this.config.fragLoadingMaxRetry){var i=Math.min(Math.pow(2,this.fragLoadError)*this.config.fragLoadingRetryDelay,this.config.fragLoadingMaxRetryTimeout);u.b.warn("mediaController: frag loading failed, retry in "+i+" ms"),this.retryDate=window.performance.now()+i,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.fragLoadError++,this.state=Ee}else u.b.error("mediaController: "+e.details+" reaches max retry, redispatch as fatal ..."),e.fatal=!0,this.state=we;break;case o.a.LEVEL_LOAD_ERROR:case o.a.LEVEL_LOAD_TIMEOUT:this.state!==we&&(e.fatal?(this.state=we,u.b.warn("streamController: "+e.details+",switch to "+this.state+" state ...")):e.levelRetry||this.state!==De||(this.state=me));break;case o.a.BUFFER_FULL_ERROR:"main"!==e.parent||this.state!==_e&&this.state!==Ae||(r?(this._reduceMaxBufferLength(this.config.maxBufferLength),this.state=me):(u.b.warn("buffer full error also media.currentTime is not buffered, flush everything"),this.fragCurrent=null,this.flushMainBuffer(0,Number.POSITIVE_INFINITY)))}}},h._reduceMaxBufferLength=function(e){var t=this.config;return t.maxMaxBufferLength>=e&&(t.maxMaxBufferLength/=2,u.b.warn("main:reduce max buffer length to "+t.maxMaxBufferLength+"s"),!0)},h._checkBuffer=function(){var e=this.media;if(e&&0!==e.readyState){var t=(this.mediaBuffer?this.mediaBuffer:e).buffered;!this.loadedmetadata&&t.length?(this.loadedmetadata=!0,this._seekToStartPos()):this.immediateSwitch?this.immediateLevelSwitchEnd():this.gapController.poll(this.lastCurrentTime,t)}},h.onFragLoadEmergencyAborted=function(){this.state=me,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.tick()},h.onBufferFlushed=function(){var e=this.mediaBuffer?this.mediaBuffer:this.media;e&&this.fragmentTracker.detectEvictedFragments(p.VIDEO,e.buffered),this.state=me,this.fragPrevious=null},h.swapAudioCodec=function(){this.audioCodecSwap=!this.audioCodecSwap},h._seekToStartPos=function(){var e=this.media,t=e.currentTime,r=e.seeking?t:this.startPosition;t!==r&&r>=0&&(u.b.log("target start position not buffered, seek to buffered.start(0) "+r+" from current time "+t+" "),e.currentTime=r)},h._getAudioCodec=function(e){var t=this.config.defaultAudioCodec||e.audioCodec;return this.audioCodecSwap&&(u.b.log("swapping playlist audio codec"),t&&(t=-1!==t.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5")),t},a=i,(s=[{key:"state",set:function(e){if(this.state!==e){var t=this.state;this._state=e,u.b.log("main stream-controller: "+t+"->"+e),this.hls.trigger(d.a.STREAM_STATE_TRANSITION,{previousState:t,nextState:e})}},get:function(){return this._state}},{key:"currentLevel",get:function(){var e=this.media;if(e){var t=this.getBufferedFrag(e.currentTime);if(t)return t.level}return-1}},{key:"nextBufferedFrag",get:function(){var e=this.media;return e?this.followingBufferedFrag(this.getBufferedFrag(e.currentTime)):null}},{key:"nextLevel",get:function(){var e=this.nextBufferedFrag;return e?e.level:-1}},{key:"liveSyncPosition",get:function(){return this._liveSyncPosition},set:function(e){this._liveSyncPosition=e}}])&&Ie(a.prototype,s),c&&Ie(a,c),i}(Ce);function Pe(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}window.performance;var xe,Me=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.MANIFEST_LOADED,d.a.LEVEL_LOADED,d.a.AUDIO_TRACK_SWITCHED,d.a.FRAG_LOADED,d.a.ERROR)||this).canload=!1,r.currentLevelIndex=null,r.manualLevelIndex=-1,r.timer=null,xe=/chrome|firefox/.test(navigator.userAgent.toLowerCase()),r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,l=i.prototype;return l.onHandlerDestroying=function(){this.clearTimer(),this.manualLevelIndex=-1},l.clearTimer=function(){null!==this.timer&&(clearTimeout(this.timer),this.timer=null)},l.startLoad=function(){var e=this._levels;this.canload=!0,this.levelRetryCount=0,e&&e.forEach((function(e){e.loadError=0;var t=e.details;t&&t.live&&(e.details=void 0)})),null!==this.timer&&this.loadLevel()},l.stopLoad=function(){this.canload=!1},l.onManifestLoaded=function(e){var t,r=[],i=[],a={},n=null,s=!1,l=!1;if(e.levels.forEach((function(e){var t=e.attrs;e.loadError=0,e.fragmentError=!1,s=s||!!e.videoCodec,l=l||!!e.audioCodec,xe&&e.audioCodec&&-1!==e.audioCodec.indexOf("mp4a.40.34")&&(e.audioCodec=void 0),(n=a[e.bitrate])?n.url.push(e.url):(e.url=[e.url],e.urlId=0,a[e.bitrate]=e,r.push(e)),t&&(t.AUDIO&&(l=!0,Z(n||e,"audio",t.AUDIO)),t.SUBTITLES&&Z(n||e,"text",t.SUBTITLES))})),s&&l&&(r=r.filter((function(e){return!!e.videoCodec}))),r=r.filter((function(e){var t=e.audioCodec,r=e.videoCodec;return(!t||R(t,"audio"))&&(!r||R(r,"video"))})),e.audioTracks&&(i=e.audioTracks.filter((function(e){return!e.audioCodec||R(e.audioCodec,"audio")}))).forEach((function(e,t){e.id=t})),r.length>0){t=r[0].bitrate,r.sort((function(e,t){return e.bitrate-t.bitrate})),this._levels=r;for(var c=0;c<r.length;c++)if(r[c].bitrate===t){this._firstLevel=c,u.b.log("manifest loaded,"+r.length+" level(s) found, first bitrate:"+t);break}this.hls.trigger(d.a.MANIFEST_PARSED,{levels:r,audioTracks:i,firstLevel:this._firstLevel,stats:e.stats,audio:l,video:s,altAudio:i.some((function(e){return!!e.url}))})}else this.hls.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.MANIFEST_INCOMPATIBLE_CODECS_ERROR,fatal:!0,url:this.hls.url,reason:"no level with compatible codecs found in manifest"})},l.setLevelInternal=function(e){var t=this._levels,r=this.hls;if(e>=0&&e<t.length){if(this.clearTimer(),this.currentLevelIndex!==e){u.b.log("switching to level "+e),this.currentLevelIndex=e;var i=t[e];i.level=e,r.trigger(d.a.LEVEL_SWITCHING,i)}var a=t[e],n=a.details;if(!n||n.live){var s=a.urlId;r.trigger(d.a.LEVEL_LOADING,{url:a.url[s],level:e,id:s})}}else r.trigger(d.a.ERROR,{type:o.b.OTHER_ERROR,details:o.a.LEVEL_SWITCH_ERROR,level:e,fatal:!1,reason:"invalid level idx"})},l.onError=function(e){if(e.fatal)e.type===o.b.NETWORK_ERROR&&this.clearTimer();else{var t,r=!1,i=!1;switch(e.details){case o.a.FRAG_LOAD_ERROR:case o.a.FRAG_LOAD_TIMEOUT:case o.a.KEY_LOAD_ERROR:case o.a.KEY_LOAD_TIMEOUT:t=e.frag.level,i=!0;break;case o.a.LEVEL_LOAD_ERROR:case o.a.LEVEL_LOAD_TIMEOUT:t=e.context.level,r=!0;break;case o.a.REMUX_ALLOC_ERROR:t=e.level,r=!0}void 0!==t&&this.recoverLevel(e,t,r,i)}},l.recoverLevel=function(e,t,r,i){var a,n,s,o=this,l=this.hls.config,d=e.details,c=this._levels[t];if(c.loadError++,c.fragmentError=i,r){if(!(this.levelRetryCount+1<=l.levelLoadingMaxRetry))return u.b.error("level controller, cannot recover from "+d+" error"),this.currentLevelIndex=null,this.clearTimer(),void(e.fatal=!0);n=Math.min(Math.pow(2,this.levelRetryCount)*l.levelLoadingRetryDelay,l.levelLoadingMaxRetryTimeout),this.timer=setTimeout((function(){return o.loadLevel()}),n),e.levelRetry=!0,this.levelRetryCount++,u.b.warn("level controller, "+d+", retry in "+n+" ms, current retry count is "+this.levelRetryCount)}(r||i)&&((a=c.url.length)>1&&c.loadError<a?(c.urlId=(c.urlId+1)%a,c.details=void 0,u.b.warn("level controller, "+d+" for level "+t+": switching to redundant URL-id "+c.urlId)):-1===this.manualLevelIndex?(s=0===t?this._levels.length-1:t-1,u.b.warn("level controller, "+d+": switch to "+s),this.hls.nextAutoLevel=this.currentLevelIndex=s):i&&(u.b.warn("level controller, "+d+": reload a fragment"),this.currentLevelIndex=null))},l.onFragLoaded=function(e){var t=e.frag;if(void 0!==t&&"main"===t.type){var r=this._levels[t.level];void 0!==r&&(r.fragmentError=!1,r.loadError=0,this.levelRetryCount=0)}},l.onLevelLoaded=function(e){var t=this,r=e.level,i=e.details;if(r===this.currentLevelIndex){var a=this._levels[r];if(a.fragmentError||(a.loadError=0,this.levelRetryCount=0),i.live){var n=ae(a.details,i,e.stats.trequest);u.b.log("live playlist, reload in "+Math.round(n)+" ms"),this.timer=setTimeout((function(){return t.loadLevel()}),n)}else this.clearTimer()}},l.onAudioTrackSwitched=function(e){var t=this.hls.audioTracks[e.id].groupId,r=this.hls.levels[this.currentLevelIndex];if(r&&r.audioGroupIds){for(var i=-1,a=0;a<r.audioGroupIds.length;a++)if(r.audioGroupIds[a]===t){i=a;break}i!==r.urlId&&(r.urlId=i,this.startLoad())}},l.loadLevel=function(){if(u.b.debug("call to loadLevel"),null!==this.currentLevelIndex&&this.canload){var e=this._levels[this.currentLevelIndex];if("object"==typeof e&&e.url.length>0){var t=this.currentLevelIndex,r=e.urlId,i=e.url[r];u.b.log("Attempt loading level index "+t+" with URL-id "+r),this.hls.trigger(d.a.LEVEL_LOADING,{url:i,level:t,id:r})}}},a=i,(n=[{key:"levels",get:function(){return this._levels}},{key:"level",get:function(){return this.currentLevelIndex},set:function(e){var t=this._levels;t&&(e=Math.min(e,t.length-1),this.currentLevelIndex===e&&t[e].details||this.setLevelInternal(e))}},{key:"manualLevel",get:function(){return this.manualLevelIndex},set:function(e){this.manualLevelIndex=e,void 0===this._startLevel&&(this._startLevel=e),-1!==e&&(this.level=e)}},{key:"firstLevel",get:function(){return this._firstLevel},set:function(e){this._firstLevel=e}},{key:"startLevel",get:function(){if(void 0===this._startLevel){var e=this.hls.config.startLevel;return void 0!==e?e:this._firstLevel}return this._startLevel},set:function(e){this._startLevel=e}},{key:"nextLoadLevel",get:function(){return-1!==this.manualLevelIndex?this.manualLevelIndex:this.hls.nextAutoLevel},set:function(e){this.level=e,-1===this.manualLevelIndex&&(this.hls.nextAutoLevel=e)}}])&&Pe(a.prototype,n),s&&Pe(a,s),i}(h),Fe=r(4);function Ue(e,t){var r;try{r=new Event("addtrack")}catch(e){(r=document.createEvent("Event")).initEvent("addtrack",!1,!1)}r.track=e,t.dispatchEvent(r)}function Ne(e){if(e&&e.cues)for(;e.cues.length>0;)e.removeCue(e.cues[0])}function Be(e,t){if(t<e[0].endTime)return e[0];if(t>e[e.length-1].endTime)return e[e.length-1];for(var r=0,i=e.length-1;r<=i;){var a=Math.floor((i+r)/2);if(t<e[a].endTime)i=a-1;else{if(!(t>e[a].endTime))return e[a];r=a+1}}return e[r].endTime-t<t-e[i].endTime?e[r]:e[i]}var Ge=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.MEDIA_ATTACHED,d.a.MEDIA_DETACHING,d.a.FRAG_PARSING_METADATA,d.a.LIVE_BACK_BUFFER_REACHED)||this).id3Track=void 0,r.media=void 0,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.destroy=function(){h.prototype.destroy.call(this)},a.onMediaAttached=function(e){this.media=e.media,this.media},a.onMediaDetaching=function(){Ne(this.id3Track),this.id3Track=void 0,this.media=void 0},a.getID3Track=function(e){for(var t=0;t<e.length;t++){var r=e[t];if("metadata"===r.kind&&"id3"===r.label)return Ue(r,this.media),r}return this.media.addTextTrack("metadata","id3")},a.onLiveBackBufferReached=function(e){var t=e.bufferEnd;if(this.id3Track&&this.id3Track.cues&&this.id3Track.cues.length){var r=Be(this.id3Track.cues,t);if(r)for(var i=!0;i;){var a=this.id3Track.cues[0];if(!this.id3Track.cues.length||a.id===r.id)return void(i=!1);this.id3Track.removeCue(a)}}},a.onFragParsingMetadata=function(e){var t=e.frag,r=e.samples;this.id3Track||(this.id3Track=this.getID3Track(this.media.textTracks),this.id3Track.mode="hidden");for(var i=window.WebKitDataCue||window.VTTCue||window.TextTrackCue,a=0;a<r.length;a++){var n=Fe.a.getID3Frames(r[a].data);if(n){var s=r[a].pts,o=a<r.length-1?r[a+1].pts:t.endPTS;s===o?o+=1e-4:s>o&&(u.b.warn("detected an id3 sample with endTime < startTime, adjusting endTime to (startTime + 0.25)"),o=s+.25);for(var l=0;l<n.length;l++){var d=n[l];if(!Fe.a.isTimeStampFrame(d)){var c=new i(s,o,"");c.value=d,this.id3Track.addCue(c)}}}}},a.onLiveBackBufferReached=function(e){var t=e.bufferEnd,r=this.id3Track;if(r&&r.cues&&r.cues.length){var i=Be(r.cues,t);if(i)for(;r.cues[0]!==i;)r.removeCue(r.cues[0])}},i}(h);var Ke=function(){function e(e){this.alpha_=void 0,this.estimate_=void 0,this.totalWeight_=void 0,this.alpha_=e?Math.exp(Math.log(.5)/e):0,this.estimate_=0,this.totalWeight_=0}var t=e.prototype;return t.sample=function(e,t){var r=Math.pow(this.alpha_,e);this.estimate_=t*(1-r)+r*this.estimate_,this.totalWeight_+=e},t.getTotalWeight=function(){return this.totalWeight_},t.getEstimate=function(){if(this.alpha_){var e=1-Math.pow(this.alpha_,this.totalWeight_);return this.estimate_/e}return this.estimate_},e}(),je=function(){function e(e,t,r,i){this.hls=void 0,this.defaultEstimate_=void 0,this.minWeight_=void 0,this.minDelayMs_=void 0,this.slow_=void 0,this.fast_=void 0,this.hls=e,this.defaultEstimate_=i,this.minWeight_=.001,this.minDelayMs_=50,this.slow_=new Ke(t),this.fast_=new Ke(r)}var t=e.prototype;return t.sample=function(e,t){var r=(e=Math.max(e,this.minDelayMs_))/1e3,i=8*t/r;this.fast_.sample(r,i),this.slow_.sample(r,i)},t.canEstimate=function(){var e=this.fast_;return e&&e.getTotalWeight()>=this.minWeight_},t.getEstimate=function(){return this.canEstimate()?Math.min(this.fast_.getEstimate(),this.slow_.getEstimate()):this.defaultEstimate_},t.destroy=function(){},e}();function He(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var Ve=window.performance,Ye=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.FRAG_LOADING,d.a.FRAG_LOADED,d.a.FRAG_BUFFERED,d.a.ERROR)||this).lastLoadedFragLevel=0,r._nextAutoLevel=-1,r.hls=t,r.timer=null,r._bwEstimator=null,r.onCheck=r._abandonRulesCheck.bind(function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(r)),r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,c=i.prototype;return c.destroy=function(){this.clearTimer(),h.prototype.destroy.call(this)},c.onFragLoading=function(e){var t=e.frag;if("main"===t.type&&(this.timer||(this.fragCurrent=t,this.timer=setInterval(this.onCheck,100)),!this._bwEstimator)){var r,i,a=this.hls,n=a.config,s=t.level;a.levels[s].details.live?(r=n.abrEwmaFastLive,i=n.abrEwmaSlowLive):(r=n.abrEwmaFastVoD,i=n.abrEwmaSlowVoD),this._bwEstimator=new je(a,i,r,n.abrEwmaDefaultEstimate)}},c._abandonRulesCheck=function(){var e=this.hls,t=e.media,r=this.fragCurrent;if(r){var i=r.loader,a=e.minAutoLevel;if(!i||i.stats&&i.stats.aborted)return u.b.warn("frag loader destroy or aborted, disarm abandonRules"),this.clearTimer(),void(this._nextAutoLevel=-1);var n=i.stats;if(t&&n&&(!t.paused&&0!==t.playbackRate||!t.readyState)&&r.autoLevel&&r.level){var s=Ve.now()-n.trequest,o=Math.abs(t.playbackRate);if(s>500*r.duration/o){var l=e.levels,c=Math.max(1,n.bw?n.bw/8:1e3*n.loaded/s),h=l[r.level],f=h.realBitrate?Math.max(h.realBitrate,h.bitrate):h.bitrate,g=n.total?n.total:Math.max(n.loaded,Math.round(r.duration*f/8)),p=t.currentTime,v=(g-n.loaded)/c,m=(H.bufferInfo(t,p,e.config.maxBufferHole).end-p)/o;if(m<2*r.duration/o&&v>m){var y;for(y=r.level-1;y>a;y--){var b=l[y].realBitrate?Math.max(l[y].realBitrate,l[y].bitrate):l[y].bitrate;if(r.duration*b/(6.4*c)<m)break}void 0<v&&(u.b.warn("loading too slow, abort fragment loading and switch to level "+y+":fragLoadedDelay["+y+"]<fragLoadedDelay["+(r.level-1)+"];bufferStarvationDelay:"+(void 0).toFixed(1)+"<"+v.toFixed(1)+":"+m.toFixed(1)),e.nextLoadLevel=y,this._bwEstimator.sample(s,n.loaded),i.abort(),this.clearTimer(),e.trigger(d.a.FRAG_LOAD_EMERGENCY_ABORTED,{frag:r,stats:n}))}}}}},c.onFragLoaded=function(e){var t=e.frag;if("main"===t.type&&Object(l.a)(t.sn)){if(this.clearTimer(),this.lastLoadedFragLevel=t.level,this._nextAutoLevel=-1,this.hls.config.abrMaxWithRealBitrate){var r=this.hls.levels[t.level],i=(r.loaded?r.loaded.bytes:0)+e.stats.loaded,a=(r.loaded?r.loaded.duration:0)+e.frag.duration;r.loaded={bytes:i,duration:a},r.realBitrate=Math.round(8*i/a)}if(e.frag.bitrateTest){var n=e.stats;n.tparsed=n.tbuffered=n.tload,this.onFragBuffered(e)}}},c.onFragBuffered=function(e){var t=e.stats,r=e.frag;if(!0!==t.aborted&&"main"===r.type&&Object(l.a)(r.sn)&&(!r.bitrateTest||t.tload===t.tbuffered)){var i=t.tparsed-t.trequest;u.b.log("latency/loading/parsing/append/kbps:"+Math.round(t.tfirst-t.trequest)+"/"+Math.round(t.tload-t.tfirst)+"/"+Math.round(t.tparsed-t.tload)+"/"+Math.round(t.tbuffered-t.tparsed)+"/"+Math.round(8*t.loaded/(t.tbuffered-t.trequest))),this._bwEstimator.sample(i,t.loaded),t.bwEstimate=this._bwEstimator.getEstimate(),r.bitrateTest?this.bitrateTestDelay=i/1e3:this.bitrateTestDelay=0}},c.onError=function(e){switch(e.details){case o.a.FRAG_LOAD_ERROR:case o.a.FRAG_LOAD_TIMEOUT:this.clearTimer()}},c.clearTimer=function(){clearInterval(this.timer),this.timer=null},c._findBestLevel=function(e,t,r,i,a,n,s,o,l){for(var d=a;d>=i;d--){var c=l[d];if(c){var h=c.details,f=h?h.totalduration/h.fragments.length:t,g=!!h&&h.live,p=void 0;p=d<=e?s*r:o*r;var v=l[d].realBitrate?Math.max(l[d].realBitrate,l[d].bitrate):l[d].bitrate,m=v*f/p;if(u.b.trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: "+d+"/"+Math.round(p)+"/"+v+"/"+f+"/"+n+"/"+m),p>v&&(!m||g&&!this.bitrateTestDelay||m<n))return d}}return-1},a=i,(n=[{key:"nextAutoLevel",get:function(){var e=this._nextAutoLevel,t=this._bwEstimator;if(!(-1===e||t&&t.canEstimate()))return e;var r=this._nextABRAutoLevel;return-1!==e&&(r=Math.min(e,r)),r},set:function(e){this._nextAutoLevel=e}},{key:"_nextABRAutoLevel",get:function(){var e=this.hls,t=e.maxAutoLevel,r=e.levels,i=e.config,a=e.minAutoLevel,n=e.media,s=this.lastLoadedFragLevel,o=this.fragCurrent?this.fragCurrent.duration:0,l=n?n.currentTime:0,d=n&&0!==n.playbackRate?Math.abs(n.playbackRate):1,c=this._bwEstimator?this._bwEstimator.getEstimate():i.abrEwmaDefaultEstimate,h=(H.bufferInfo(n,l,i.maxBufferHole).end-l)/d,f=this._findBestLevel(s,o,c,a,t,h,i.abrBandWidthFactor,i.abrBandWidthUpFactor,r);if(f>=0)return f;u.b.trace("rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering");var g=o?Math.min(o,i.maxStarvationDelay):i.maxStarvationDelay,p=i.abrBandWidthFactor,v=i.abrBandWidthUpFactor;if(0===h){var m=this.bitrateTestDelay;m&&(g=(o?Math.min(o,i.maxLoadingDelay):i.maxLoadingDelay)-m,u.b.trace("bitrate test took "+Math.round(1e3*m)+"ms, set first fragment max fetchDuration to "+Math.round(1e3*g)+" ms"),p=v=1)}return f=this._findBestLevel(s,o,c,a,t,h+g,p,v,r),Math.max(f,0)}}])&&He(a.prototype,n),s&&He(a,s),i}(h);var We=q(),qe=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.MEDIA_ATTACHING,d.a.MEDIA_DETACHING,d.a.MANIFEST_PARSED,d.a.BUFFER_RESET,d.a.BUFFER_APPENDING,d.a.BUFFER_CODECS,d.a.BUFFER_EOS,d.a.BUFFER_FLUSHING,d.a.LEVEL_PTS_UPDATED,d.a.LEVEL_UPDATED)||this)._msDuration=null,r._levelDuration=null,r._levelTargetDuration=10,r._live=null,r._objectUrl=null,r._needsFlush=!1,r._needsEos=!1,r.config=void 0,r.audioTimestampOffset=void 0,r.bufferCodecEventsExpected=0,r._bufferCodecEventsTotal=0,r.media=null,r.mediaSource=null,r.segments=[],r.parent=void 0,r.appending=!1,r.appended=0,r.appendError=0,r.flushBufferCounter=0,r.tracks={},r.pendingTracks={},r.sourceBuffer={},r.flushRange=[],r._onMediaSourceOpen=function(){u.b.log("media source opened"),r.hls.trigger(d.a.MEDIA_ATTACHED,{media:r.media});var e=r.mediaSource;e&&e.removeEventListener("sourceopen",r._onMediaSourceOpen),r.checkPendingTracks()},r._onMediaSourceClose=function(){u.b.log("media source closed")},r._onMediaSourceEnded=function(){u.b.log("media source ended")},r._onSBUpdateEnd=function(){if(r.audioTimestampOffset&&r.sourceBuffer.audio){var e=r.sourceBuffer.audio;u.b.warn("change mpeg audio timestamp offset from "+e.timestampOffset+" to "+r.audioTimestampOffset),e.timestampOffset=r.audioTimestampOffset,delete r.audioTimestampOffset}r._needsFlush&&r.doFlush(),r._needsEos&&r.checkEos(),r.appending=!1;var t=r.parent,i=r.segments.reduce((function(e,r){return r.parent===t?e+1:e}),0),a={},n=r.sourceBuffer;for(var s in n){var o=n[s];if(!o)throw Error("handling source buffer update end error: source buffer for "+s+" uninitilized and unable to update buffered TimeRanges.");a[s]=o.buffered}r.hls.trigger(d.a.BUFFER_APPENDED,{parent:t,pending:i,timeRanges:a}),r._needsFlush||r.doAppending(),r.updateMediaElementDuration(),0===i&&r.flushLiveBackBuffer()},r._onSBUpdateError=function(e){u.b.error("sourceBuffer error:",e),r.hls.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_APPENDING_ERROR,fatal:!1})},r.config=t.config,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.destroy=function(){h.prototype.destroy.call(this)},a.onLevelPtsUpdated=function(e){var t=e.type,r=this.tracks.audio;if("audio"===t&&r&&"audio/mpeg"===r.container){var i=this.sourceBuffer.audio;if(!i)throw Error("Level PTS Updated and source buffer for audio uninitalized");if(Math.abs(i.timestampOffset-e.start)>.1){var a=i.updating;try{i.abort()}catch(e){u.b.warn("can not abort audio buffer: "+e)}a?this.audioTimestampOffset=e.start:(u.b.warn("change mpeg audio timestamp offset from "+i.timestampOffset+" to "+e.start),i.timestampOffset=e.start)}}},a.onManifestParsed=function(e){this.bufferCodecEventsExpected=this._bufferCodecEventsTotal=e.altAudio?2:1,u.b.log(this.bufferCodecEventsExpected+" bufferCodec event(s) expected")},a.onMediaAttaching=function(e){var t=this.media=e.media;if(t&&We){var r=this.mediaSource=new We;r.addEventListener("sourceopen",this._onMediaSourceOpen),r.addEventListener("sourceended",this._onMediaSourceEnded),r.addEventListener("sourceclose",this._onMediaSourceClose),t.src=window.URL.createObjectURL(r),this._objectUrl=t.src}},a.onMediaDetaching=function(){u.b.log("media source detaching");var e=this.mediaSource;if(e){if("open"===e.readyState)try{e.endOfStream()}catch(e){u.b.warn("onMediaDetaching:"+e.message+" while calling endOfStream")}e.removeEventListener("sourceopen",this._onMediaSourceOpen),e.removeEventListener("sourceended",this._onMediaSourceEnded),e.removeEventListener("sourceclose",this._onMediaSourceClose),this.media&&(this._objectUrl&&window.URL.revokeObjectURL(this._objectUrl),this.media.src===this._objectUrl?(this.media.removeAttribute("src"),this.media.load()):u.b.warn("media.src was changed by a third party - skip cleanup")),this.mediaSource=null,this.media=null,this._objectUrl=null,this.bufferCodecEventsExpected=this._bufferCodecEventsTotal,this.pendingTracks={},this.tracks={},this.sourceBuffer={},this.flushRange=[],this.segments=[],this.appended=0}this.hls.trigger(d.a.MEDIA_DETACHED)},a.checkPendingTracks=function(){var e=this.bufferCodecEventsExpected,t=this.pendingTracks,r=Object.keys(t).length;(r&&!e||2===r)&&(this.createSourceBuffers(t),this.pendingTracks={},this.doAppending())},a.onBufferReset=function(){var e=this.sourceBuffer;for(var t in e){var r=e[t];try{r&&(this.mediaSource&&this.mediaSource.removeSourceBuffer(r),r.removeEventListener("updateend",this._onSBUpdateEnd),r.removeEventListener("error",this._onSBUpdateError))}catch(e){}}this.sourceBuffer={},this.flushRange=[],this.segments=[],this.appended=0},a.onBufferCodecs=function(e){var t=this;Object.keys(this.sourceBuffer).length||(Object.keys(e).forEach((function(r){t.pendingTracks[r]=e[r]})),this.bufferCodecEventsExpected=Math.max(this.bufferCodecEventsExpected-1,0),this.mediaSource&&"open"===this.mediaSource.readyState&&this.checkPendingTracks())},a.createSourceBuffers=function(e){var t=this.sourceBuffer,r=this.mediaSource;if(!r)throw Error("createSourceBuffers called when mediaSource was null");for(var i in e)if(!t[i]){var a=e[i];if(!a)throw Error("source buffer exists for track "+i+", however track does not");var n=a.levelCodec||a.codec,s=a.container+";codecs="+n;u.b.log("creating sourceBuffer("+s+")");try{var l=t[i]=r.addSourceBuffer(s);l.addEventListener("updateend",this._onSBUpdateEnd),l.addEventListener("error",this._onSBUpdateError),this.tracks[i]={buffer:l,codec:n,id:a.id,container:a.container,levelCodec:a.levelCodec}}catch(e){u.b.error("error while trying to add sourceBuffer:"+e.message),this.hls.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_ADD_CODEC_ERROR,fatal:!1,err:e,mimeType:s})}}this.hls.trigger(d.a.BUFFER_CREATED,{tracks:this.tracks})},a.onBufferAppending=function(e){this._needsFlush||(this.segments?this.segments.push(e):this.segments=[e],this.doAppending())},a.onBufferEos=function(e){for(var t in this.sourceBuffer)if(!e.type||e.type===t){var r=this.sourceBuffer[t];r&&!r.ended&&(r.ended=!0,u.b.log(t+" sourceBuffer now EOS"))}this.checkEos()},a.checkEos=function(){var e=this.sourceBuffer,t=this.mediaSource;if(t&&"open"===t.readyState){for(var r in e){var i=e[r];if(i){if(!i.ended)return;if(i.updating)return void(this._needsEos=!0)}}u.b.log("all media data are available, signal endOfStream() to MediaSource and stop loading fragment");try{t.endOfStream()}catch(e){u.b.warn("exception while calling mediaSource.endOfStream()")}this._needsEos=!1}else this._needsEos=!1},a.onBufferFlushing=function(e){e.type?this.flushRange.push({start:e.startOffset,end:e.endOffset,type:e.type}):(this.flushRange.push({start:e.startOffset,end:e.endOffset,type:"video"}),this.flushRange.push({start:e.startOffset,end:e.endOffset,type:"audio"})),this.flushBufferCounter=0,this.doFlush()},a.flushLiveBackBuffer=function(){if(this._live){var e=this.config.liveBackBufferLength;if(isFinite(e)&&!(e<0))if(this.media)for(var t=this.media.currentTime,r=this.sourceBuffer,i=Object.keys(r),a=t-Math.max(e,this._levelTargetDuration),n=i.length-1;n>=0;n--){var s=i[n],o=r[s];if(o){var l=o.buffered;l.length>0&&a>l.start(0)&&this.removeBufferRange(s,o,0,a)&&this.hls.trigger(d.a.LIVE_BACK_BUFFER_REACHED,{bufferEnd:a})}}else u.b.error("flushLiveBackBuffer called without attaching media")}},a.onLevelUpdated=function(e){var t=e.details;t.fragments.length>0&&(this._levelDuration=t.totalduration+t.fragments[0].start,this._levelTargetDuration=t.averagetargetduration||t.targetduration||10,this._live=t.live,this.updateMediaElementDuration())},a.updateMediaElementDuration=function(){var e,t=this.config;if(null!==this._levelDuration&&this.media&&this.mediaSource&&this.sourceBuffer&&0!==this.media.readyState&&"open"===this.mediaSource.readyState){for(var r in this.sourceBuffer){var i=this.sourceBuffer[r];if(i&&!0===i.updating)return}e=this.media.duration,null===this._msDuration&&(this._msDuration=this.mediaSource.duration),!0===this._live&&!0===t.liveDurationInfinity?(u.b.log("Media Source duration is set to Infinity"),this._msDuration=this.mediaSource.duration=1/0):(this._levelDuration>this._msDuration&&this._levelDuration>e||!Object(l.a)(e))&&(u.b.log("Updating Media Source duration to "+this._levelDuration.toFixed(3)),this._msDuration=this.mediaSource.duration=this._levelDuration)}},a.doFlush=function(){for(;this.flushRange.length;){var e=this.flushRange[0];if(!this.flushBuffer(e.start,e.end,e.type))return void(this._needsFlush=!0);this.flushRange.shift(),this.flushBufferCounter=0}if(0===this.flushRange.length){this._needsFlush=!1;var t=0,r=this.sourceBuffer;try{for(var i in r){var a=r[i];a&&(t+=a.buffered.length)}}catch(e){u.b.error("error while accessing sourceBuffer.buffered")}this.appended=t,this.hls.trigger(d.a.BUFFER_FLUSHED)}},a.doAppending=function(){var e=this.config,t=this.hls,r=this.segments,i=this.sourceBuffer;if(Object.keys(i).length){if(!this.media||this.media.error)return this.segments=[],void u.b.error("trying to append although a media error occured, flush segment and abort");if(!this.appending){var a=r.shift();if(a)try{var n=i[a.type];if(!n)return void this._onSBUpdateEnd();if(n.updating)return void r.unshift(a);n.ended=!1,this.parent=a.parent,n.appendBuffer(a.data),this.appendError=0,this.appended++,this.appending=!0}catch(i){u.b.error("error while trying to append buffer:"+i.message),r.unshift(a);var s={type:o.b.MEDIA_ERROR,parent:a.parent,details:"",fatal:!1};22===i.code?(this.segments=[],s.details=o.a.BUFFER_FULL_ERROR):(this.appendError++,s.details=o.a.BUFFER_APPEND_ERROR,this.appendError>e.appendErrorMaxRetry&&(u.b.log("fail "+e.appendErrorMaxRetry+" times to append segment in sourceBuffer"),this.segments=[],s.fatal=!0)),t.trigger(d.a.ERROR,s)}}}},a.flushBuffer=function(e,t,r){var i=this.sourceBuffer;if(!Object.keys(i).length)return!0;var a="null";if(this.media&&(a=this.media.currentTime.toFixed(3)),u.b.log("flushBuffer,pos/start/end: "+a+"/"+e+"/"+t),this.flushBufferCounter>=this.appended)return u.b.warn("abort flushing too many retries"),!0;var n=i[r];if(n){if(n.ended=!1,n.updating)return u.b.warn("cannot flush, sb updating in progress"),!1;if(this.removeBufferRange(r,n,e,t))return this.flushBufferCounter++,!1}return u.b.log("buffer flushed"),!0},a.removeBufferRange=function(e,t,r,i){try{for(var a=0;a<t.buffered.length;a++){var n=t.buffered.start(a),s=t.buffered.end(a),o=Math.max(n,r),l=Math.min(s,i);if(Math.min(l,s)-o>.5){var d="null";return this.media&&(d=this.media.currentTime.toString()),u.b.log("sb remove "+e+" ["+o+","+l+"], of ["+n+","+s+"], pos:"+d),t.remove(o,l),!0}}}catch(e){u.b.warn("removeBufferRange failed",e)}return!1},i}(h);function ze(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var Xe=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.FPS_DROP_LEVEL_CAPPING,d.a.MEDIA_ATTACHING,d.a.MANIFEST_PARSED,d.a.BUFFER_CODECS,d.a.MEDIA_DETACHING)||this).autoLevelCapping=Number.POSITIVE_INFINITY,r.firstLevel=null,r.levels=[],r.media=null,r.restrictedLevels=[],r.timer=null,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,o=i.prototype;return o.destroy=function(){this.hls.config.capLevelToPlayerSize&&(this.media=null,this.stopCapping())},o.onFpsDropLevelCapping=function(e){i.isLevelAllowed(e.droppedLevel,this.restrictedLevels)&&this.restrictedLevels.push(e.droppedLevel)},o.onMediaAttaching=function(e){this.media=e.media instanceof window.HTMLVideoElement?e.media:null},o.onManifestParsed=function(e){var t=this.hls;this.restrictedLevels=[],this.levels=e.levels,this.firstLevel=e.firstLevel,t.config.capLevelToPlayerSize&&e.video&&this.startCapping()},o.onBufferCodecs=function(e){this.hls.config.capLevelToPlayerSize&&e.video&&this.startCapping()},o.onLevelsUpdated=function(e){this.levels=e.levels},o.onMediaDetaching=function(){this.stopCapping()},o.detectPlayerSize=function(){if(this.media){var e=this.levels?this.levels.length:0;if(e){var t=this.hls;t.autoLevelCapping=this.getMaxLevel(e-1),t.autoLevelCapping>this.autoLevelCapping&&t.streamController.nextLevelSwitch(),this.autoLevelCapping=t.autoLevelCapping}}},o.getMaxLevel=function(e){var t=this;if(!this.levels)return-1;var r=this.levels.filter((function(r,a){return i.isLevelAllowed(a,t.restrictedLevels)&&a<=e}));return i.getMaxLevelByMediaSize(r,this.mediaWidth,this.mediaHeight)},o.startCapping=function(){this.timer||(this.autoLevelCapping=Number.POSITIVE_INFINITY,this.hls.firstLevel=this.getMaxLevel(this.firstLevel),clearInterval(this.timer),this.timer=setInterval(this.detectPlayerSize.bind(this),1e3),this.detectPlayerSize())},o.stopCapping=function(){this.restrictedLevels=[],this.firstLevel=null,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.timer&&(this.timer=clearInterval(this.timer),this.timer=null)},i.isLevelAllowed=function(e,t){return void 0===t&&(t=[]),-1===t.indexOf(e)},i.getMaxLevelByMediaSize=function(e,t,r){if(!e||e&&!e.length)return-1;for(var i,a,n=e.length-1,s=0;s<e.length;s+=1){var o=e[s];if((o.width>=t||o.height>=r)&&(i=o,!(a=e[s+1])||i.width!==a.width||i.height!==a.height)){n=s;break}}return n},a=i,s=[{key:"contentScaleFactor",get:function(){var e=1;try{e=window.devicePixelRatio}catch(e){}return e}}],(n=[{key:"mediaWidth",get:function(){var e,t=this.media;return t&&(e=t.width||t.clientWidth||t.offsetWidth,e*=i.contentScaleFactor),e}},{key:"mediaHeight",get:function(){var e,t=this.media;return t&&(e=t.height||t.clientHeight||t.offsetHeight,e*=i.contentScaleFactor),e}}])&&ze(a.prototype,n),s&&ze(a,s),i}(h);var Qe=window.performance,$e=function(e){var t,r;function i(t){return e.call(this,t,d.a.MEDIA_ATTACHING)||this}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.destroy=function(){this.timer&&clearInterval(this.timer),this.isVideoPlaybackQualityAvailable=!1},a.onMediaAttaching=function(e){var t=this.hls.config;t.capLevelOnFPSDrop&&("function"==typeof(this.video=e.media instanceof window.HTMLVideoElement?e.media:null).getVideoPlaybackQuality&&(this.isVideoPlaybackQualityAvailable=!0),clearInterval(this.timer),this.timer=setInterval(this.checkFPSInterval.bind(this),t.fpsDroppedMonitoringPeriod))},a.checkFPS=function(e,t,r){var i=Qe.now();if(t){if(this.lastTime){var a=i-this.lastTime,n=r-this.lastDroppedFrames,s=t-this.lastDecodedFrames,o=1e3*n/a,l=this.hls;if(l.trigger(d.a.FPS_DROP,{currentDropped:n,currentDecoded:s,totalDroppedFrames:r}),o>0&&n>l.config.fpsDroppedMonitoringThreshold*s){var c=l.currentLevel;u.b.warn("drop FPS ratio greater than max allowed value for currentLevel: "+c),c>0&&(-1===l.autoLevelCapping||l.autoLevelCapping>=c)&&(c-=1,l.trigger(d.a.FPS_DROP_LEVEL_CAPPING,{level:c,droppedLevel:l.currentLevel}),l.autoLevelCapping=c,l.streamController.nextLevelSwitch())}}this.lastTime=i,this.lastDroppedFrames=r,this.lastDecodedFrames=t}},a.checkFPSInterval=function(){var e=this.video;if(e)if(this.isVideoPlaybackQualityAvailable){var t=e.getVideoPlaybackQuality();this.checkFPS(e,t.totalVideoFrames,t.droppedVideoFrames)}else this.checkFPS(e,e.webkitDecodedFrameCount,e.webkitDroppedFrameCount)},i}(h),Je=window,Ze=Je.performance,et=Je.XMLHttpRequest,tt=function(){function e(e){e&&e.xhrSetup&&(this.xhrSetup=e.xhrSetup)}var t=e.prototype;return t.destroy=function(){this.abort(),this.loader=null},t.abort=function(){var e=this.loader;e&&4!==e.readyState&&(this.stats.aborted=!0,e.abort()),window.clearTimeout(this.requestTimeout),this.requestTimeout=null,window.clearTimeout(this.retryTimeout),this.retryTimeout=null},t.load=function(e,t,r){this.context=e,this.config=t,this.callbacks=r,this.stats={trequest:Ze.now(),retry:0},this.retryDelay=t.retryDelay,this.loadInternal()},t.loadInternal=function(){var e,t=this.context;e=this.loader=new et;var r=this.stats;r.tfirst=0,r.loaded=0;var i=this.xhrSetup;try{if(i)try{i(e,t.url)}catch(r){e.open("GET",t.url,!0),i(e,t.url)}e.readyState||e.open("GET",t.url,!0)}catch(r){return void this.callbacks.onError({code:e.status,text:r.message},t,e)}t.rangeEnd&&e.setRequestHeader("Range","bytes="+t.rangeStart+"-"+(t.rangeEnd-1)),e.onreadystatechange=this.readystatechange.bind(this),e.onprogress=this.loadprogress.bind(this),e.responseType=t.responseType,this.requestTimeout=window.setTimeout(this.loadtimeout.bind(this),this.config.timeout),e.send()},t.readystatechange=function(e){var t=e.currentTarget,r=t.readyState,i=this.stats,a=this.context,n=this.config;if(!i.aborted&&r>=2)if(window.clearTimeout(this.requestTimeout),0===i.tfirst&&(i.tfirst=Math.max(Ze.now(),i.trequest)),4===r){var s=t.status;if(s>=200&&s<300){var o,l;i.tload=Math.max(i.tfirst,Ze.now()),l="arraybuffer"===a.responseType?(o=t.response).byteLength:(o=t.responseText).length,i.loaded=i.total=l;var d={url:t.responseURL,data:o};this.callbacks.onSuccess(d,i,a,t)}else i.retry>=n.maxRetry?(u.b.error(s+" while loading "+a.url),this.callbacks.onError({code:s,text:t.statusText},a,t)):(u.b.warn(s+" while loading "+a.url+", retrying in "+this.retryDelay+"..."),this.destroy(),this.retryTimeout=window.setTimeout(this.loadInternal.bind(this),this.retryDelay),this.retryDelay=Math.min(2*this.retryDelay,n.maxRetryDelay),i.retry++)}else this.requestTimeout=window.setTimeout(this.loadtimeout.bind(this),n.timeout)},t.loadtimeout=function(){u.b.warn("timeout while loading "+this.context.url),this.callbacks.onTimeout(this.stats,this.context,null)},t.loadprogress=function(e){var t=e.currentTarget,r=this.stats;r.loaded=e.loaded,e.lengthComputable&&(r.total=e.total);var i=this.callbacks.onProgress;i&&i(r,this.context,null,t)},e}();function rt(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var it=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.MANIFEST_LOADING,d.a.MANIFEST_PARSED,d.a.AUDIO_TRACK_LOADED,d.a.AUDIO_TRACK_SWITCHED,d.a.LEVEL_LOADED,d.a.ERROR)||this)._trackId=-1,r._selectDefaultTrack=!0,r.tracks=[],r.trackIdBlacklist=Object.create(null),r.audioGroupId=null,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,l=i.prototype;return l.onManifestLoading=function(){this.tracks=[],this._trackId=-1,this._selectDefaultTrack=!0},l.onManifestParsed=function(e){var t=this.tracks=e.audioTracks||[];this.hls.trigger(d.a.AUDIO_TRACKS_UPDATED,{audioTracks:t}),this._selectAudioGroup(this.hls.nextLoadLevel)},l.onAudioTrackLoaded=function(e){if(e.id>=this.tracks.length)u.b.warn("Invalid audio track id:",e.id);else{if(u.b.log("audioTrack "+e.id+" loaded"),this.tracks[e.id].details=e.details,e.details.live&&!this.hasInterval()){var t=1e3*e.details.targetduration;this.setInterval(t)}!e.details.live&&this.hasInterval()&&this.clearInterval()}},l.onAudioTrackSwitched=function(e){var t=this.tracks[e.id].groupId;t&&this.audioGroupId!==t&&(this.audioGroupId=t)},l.onLevelLoaded=function(e){this._selectAudioGroup(e.level)},l.onError=function(e){e.type===o.b.NETWORK_ERROR&&(e.fatal&&this.clearInterval(),e.details===o.a.AUDIO_TRACK_LOAD_ERROR&&(u.b.warn("Network failure on audio-track id:",e.context.id),this._handleLoadError()))},l._setAudioTrack=function(e){if(this._trackId===e&&this.tracks[this._trackId].details)u.b.debug("Same id as current audio-track passed, and track details available -> no-op");else if(e<0||e>=this.tracks.length)u.b.warn("Invalid id passed to audio-track controller");else{var t=this.tracks[e];u.b.log("Now switching to audio-track index "+e),this.clearInterval(),this._trackId=e;var r=t.url,i=t.type,a=t.id;this.hls.trigger(d.a.AUDIO_TRACK_SWITCHING,{id:a,type:i,url:r}),this._loadTrackDetailsIfNeeded(t)}},l.doTick=function(){this._updateTrack(this._trackId)},l._selectAudioGroup=function(e){var t=this.hls.levels[e];if(t&&t.audioGroupIds){var r=t.audioGroupIds[t.urlId];this.audioGroupId!==r&&(this.audioGroupId=r,this._selectInitialAudioTrack())}},l._selectInitialAudioTrack=function(){var e=this,t=this.tracks;if(t.length){var r=this.tracks[this._trackId],i=null;if(r&&(i=r.name),this._selectDefaultTrack){var a=t.filter((function(e){return e.default}));a.length?t=a:u.b.warn("No default audio tracks defined")}var n=!1,s=function(){t.forEach((function(t){n||e.audioGroupId&&t.groupId!==e.audioGroupId||i&&i!==t.name||(e._setAudioTrack(t.id),n=!0)}))};s(),n||(i=null,s()),n||(u.b.error("No track found for running audio group-ID: "+this.audioGroupId),this.hls.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.AUDIO_TRACK_LOAD_ERROR,fatal:!0}))}},l._needsTrackLoading=function(e){var t=e.details,r=e.url;return!(t&&!t.live)&&!!r},l._loadTrackDetailsIfNeeded=function(e){if(this._needsTrackLoading(e)){var t=e.url,r=e.id;u.b.log("loading audio-track playlist for id: "+r),this.hls.trigger(d.a.AUDIO_TRACK_LOADING,{url:t,id:r})}},l._updateTrack=function(e){if(!(e<0||e>=this.tracks.length)){this.clearInterval(),this._trackId=e,u.b.log("trying to update audio-track "+e);var t=this.tracks[e];this._loadTrackDetailsIfNeeded(t)}},l._handleLoadError=function(){this.trackIdBlacklist[this._trackId]=!0;var e=this._trackId,t=this.tracks[e],r=t.name,i=t.language,a=t.groupId;u.b.warn("Loading failed on audio track id: "+e+", group-id: "+a+', name/language: "'+r+'" / "'+i+'"');for(var n=e,s=0;s<this.tracks.length;s++){if(!this.trackIdBlacklist[s])if(this.tracks[s].name===r){n=s;break}}n!==e?(u.b.log("Attempting audio-track fallback id:",n,"group-id:",this.tracks[n].groupId),this._setAudioTrack(n)):u.b.warn('No fallback audio-track found for name/language: "'+r+'" / "'+i+'"')},a=i,(n=[{key:"audioTracks",get:function(){return this.tracks}},{key:"audioTrack",get:function(){return this._trackId},set:function(e){this._setAudioTrack(e),this._selectDefaultTrack=!1}}])&&rt(a.prototype,n),s&&rt(a,s),i}(ge);function at(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var nt=window.performance,st=function(e){var t,r;function i(t,r){var i;return(i=e.call(this,t,d.a.MEDIA_ATTACHED,d.a.MEDIA_DETACHING,d.a.AUDIO_TRACKS_UPDATED,d.a.AUDIO_TRACK_SWITCHING,d.a.AUDIO_TRACK_LOADED,d.a.KEY_LOADED,d.a.FRAG_LOADED,d.a.FRAG_PARSING_INIT_SEGMENT,d.a.FRAG_PARSING_DATA,d.a.FRAG_PARSED,d.a.ERROR,d.a.BUFFER_RESET,d.a.BUFFER_CREATED,d.a.BUFFER_APPENDED,d.a.BUFFER_FLUSHED,d.a.INIT_PTS_FOUND)||this).fragmentTracker=r,i.config=t.config,i.audioCodecSwap=!1,i._state=pe,i.initPTS=[],i.waitingFragment=null,i.videoTrackCC=null,i}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,c=i.prototype;return c.onInitPtsFound=function(e){var t=e.id,r=e.frag.cc,i=e.initPTS;"main"===t&&(this.initPTS[r]=i,this.videoTrackCC=r,u.b.log("InitPTS for cc: "+r+" found from video track: "+i),this.state===Le&&this.tick())},c.startLoad=function(e){if(this.tracks){var t=this.lastCurrentTime;this.stopLoad(),this.setInterval(100),this.fragLoadError=0,t>0&&-1===e?(u.b.log("audio:override startPosition with lastCurrentTime @"+t.toFixed(3)),this.state=me):(this.lastCurrentTime=this.startPosition?this.startPosition:e,this.state=ve),this.nextLoadPosition=this.startPosition=this.lastCurrentTime,this.tick()}else this.startPosition=e,this.state=pe},c.doTick=function(){var e,t,r,i=this.hls,a=i.config;switch(this.state){case we:case ye:case Re:break;case ve:this.state=Se,this.loadedmetadata=!1;break;case me:var n=this.tracks;if(!n)break;if(!this.media&&(this.startFragRequested||!a.startFragPrefetch))break;if(this.loadedmetadata)e=this.media.currentTime;else if(void 0===(e=this.nextLoadPosition))break;var s=this.mediaBuffer?this.mediaBuffer:this.media,o=this.videoBuffer?this.videoBuffer:this.media,c=H.bufferInfo(s,e,a.maxBufferHole),h=H.bufferInfo(o,e,a.maxBufferHole),f=c.len,g=c.end,p=this.fragPrevious,v=Math.min(a.maxBufferLength,a.maxMaxBufferLength),m=Math.max(v,h.len),y=this.audioSwitch,b=this.trackId;if((f<m||y)&&b<n.length){if(void 0===(r=n[b].details)){this.state=Se;break}if(!y&&this._streamEnded(c,r))return this.hls.trigger(d.a.BUFFER_EOS,{type:"audio"}),void(this.state=ke);var T,E=r.fragments,S=E.length,_=E[0].start,A=E[S-1].start+E[S-1].duration;if(y)if(r.live&&!r.PTSKnown)u.b.log("switching audiotrack, live stream, unknown PTS,load first fragment"),g=0;else if(g=e,r.PTSKnown&&e<_){if(!(c.end>_||c.nextStart))return;u.b.log("alt audio track ahead of main track, seek to start of alt audio track"),this.media.currentTime=_+.05}if(r.initSegment&&!r.initSegment.data)T=r.initSegment;else if(g<=_){if(T=E[0],null!==this.videoTrackCC&&T.cc!==this.videoTrackCC&&(T=function(e,t){return j.search(e,(function(e){return e.cc<t?1:e.cc>t?-1:0}))}(E,this.videoTrackCC)),r.live&&T.loadIdx&&T.loadIdx===this.fragLoadIdx){var R=c.nextStart?c.nextStart:_;return u.b.log("no alt audio available @currentTime:"+this.media.currentTime+", seeking @"+(R+.05)),void(this.media.currentTime=R+.05)}}else{var k,w=a.maxFragLookUpTolerance,L=p?E[p.sn-E[0].sn+1]:void 0,D=function(e){var t=Math.min(w,e.duration);return e.start+e.duration-t<=g?1:e.start-t>g&&e.start?-1:0};g<A?(g>A-w&&(w=0),k=L&&!D(L)?L:j.search(E,D)):k=E[S-1],k&&(T=k,_=k.start,p&&T.level===p.level&&T.sn===p.sn&&(T.sn<r.endSN?(T=E[T.sn+1-r.startSN],u.b.log("SN just loaded, load next one: "+T.sn)):T=null))}T&&(T.encrypted?(u.b.log("Loading key for "+T.sn+" of ["+r.startSN+" ,"+r.endSN+"],track "+b),this.state=be,i.trigger(d.a.KEY_LOADING,{frag:T})):(u.b.log("Loading "+T.sn+", cc: "+T.cc+" of ["+r.startSN+" ,"+r.endSN+"],track "+b+", currentTime:"+e+",bufferEnd:"+g.toFixed(3)),this.fragCurrent=T,(y||this.fragmentTracker.getState(T)===U)&&("initSegment"!==T.sn&&(this.startFragRequested=!0),Object(l.a)(T.sn)&&(this.nextLoadPosition=T.start+T.duration),i.trigger(d.a.FRAG_LOADING,{frag:T}),this.state=Te)))}break;case Se:(t=this.tracks[this.trackId])&&t.details&&(this.state=me);break;case Ee:var C=nt.now(),I=this.retryDate,O=(s=this.media)&&s.seeking;(!I||C>=I||O)&&(u.b.log("audioStreamController: retryDate reached, switch back to IDLE state"),this.state=me);break;case Le:var P=this.videoTrackCC;if(void 0===this.initPTS[P])break;var x=this.waitingFragment;if(x){var M=x.frag.cc;P!==M?(t=this.tracks[this.trackId]).details&&t.details.live&&(u.b.warn("Waiting fragment CC ("+M+") does not match video track CC ("+P+")"),this.waitingFragment=null,this.state=me):(this.state=Te,this.onFragLoaded(this.waitingFragment),this.waitingFragment=null)}else this.state=me}},c.onMediaAttached=function(e){var t=this.media=this.mediaBuffer=e.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvended=this.onMediaEnded.bind(this),t.addEventListener("seeking",this.onvseeking),t.addEventListener("ended",this.onvended);var r=this.config;this.tracks&&r.autoStartLoad&&this.startLoad(r.startPosition)},c.onMediaDetaching=function(){var e=this.media;e&&e.ended&&(u.b.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0),e&&(e.removeEventListener("seeking",this.onvseeking),e.removeEventListener("ended",this.onvended),this.onvseeking=this.onvseeked=this.onvended=null),this.media=this.mediaBuffer=this.videoBuffer=null,this.loadedmetadata=!1,this.fragmentTracker.removeAllFragments(),this.stopLoad()},c.onAudioTracksUpdated=function(e){u.b.log("audio tracks updated"),this.tracks=e.audioTracks},c.onAudioTrackSwitching=function(e){var t=!!e.url;this.trackId=e.id,this.fragCurrent=null,this.state=ye,this.waitingFragment=null,t?this.setInterval(100):this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),t&&(this.audioSwitch=!0,this.state=me),this.tick()},c.onAudioTrackLoaded=function(e){var t=e.details,r=e.id,i=this.tracks[r],a=t.totalduration,n=0;if(u.b.log("track "+r+" loaded ["+t.startSN+","+t.endSN+"],duration:"+a),t.live){var s=i.details;s&&t.fragments.length>0?(re(s,t),n=t.fragments[0].start,t.PTSKnown?u.b.log("live audio playlist sliding:"+n.toFixed(3)):u.b.log("live audio playlist - outdated PTS, unknown sliding")):(t.PTSKnown=!1,u.b.log("live audio playlist - first load, unknown sliding"))}else t.PTSKnown=!1;if(i.details=t,!this.startFragRequested){if(-1===this.startPosition){var o=t.startTimeOffset;Object(l.a)(o)?(u.b.log("start time offset found in playlist, adjust startPosition to "+o),this.startPosition=o):t.live?(this.startPosition=this.computeLivePosition(n,t),u.b.log("compute startPosition for audio-track to "+this.startPosition)):this.startPosition=0}this.nextLoadPosition=this.startPosition}this.state===Se&&(this.state=me),this.tick()},c.onKeyLoaded=function(){this.state===be&&(this.state=me,this.tick())},c.onFragLoaded=function(e){var t=this.fragCurrent,r=e.frag;if(this.state===Te&&t&&"audio"===r.type&&r.level===t.level&&r.sn===t.sn){var i=this.tracks[this.trackId],a=i.details,n=a.totalduration,s=t.level,o=t.sn,l=t.cc,c=this.config.defaultAudioCodec||i.audioCodec||"mp4a.40.2",h=this.stats=e.stats;if("initSegment"===o)this.state=me,h.tparsed=h.tbuffered=nt.now(),a.initSegment.data=e.payload,this.hls.trigger(d.a.FRAG_BUFFERED,{stats:h,frag:t,id:"audio"}),this.tick();else{this.state=_e,this.appended=!1,this.demuxer||(this.demuxer=new J(this.hls,"audio"));var f=this.initPTS[l],g=a.initSegment?a.initSegment.data:[];if(a.initSegment||void 0!==f){this.pendingBuffering=!0,u.b.log("Demuxing "+o+" of ["+a.startSN+" ,"+a.endSN+"],track "+s);this.demuxer.push(e.payload,g,c,null,t,n,!1,f)}else u.b.log("unknown video PTS for continuity counter "+l+", waiting for video PTS before demuxing audio frag "+o+" of ["+a.startSN+" ,"+a.endSN+"],track "+s),this.waitingFragment=e,this.state=Le}}this.fragLoadError=0},c.onFragParsingInitSegment=function(e){var t=this.fragCurrent,r=e.frag;if(t&&"audio"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===_e){var i,a=e.tracks;if(a.video&&delete a.video,i=a.audio){i.levelCodec=i.codec,i.id=e.id,this.hls.trigger(d.a.BUFFER_CODECS,a),u.b.log("audio track:audio,container:"+i.container+",codecs[level/parsed]=["+i.levelCodec+"/"+i.codec+"]");var n=i.initSegment;if(n){var s={type:"audio",data:n,parent:"audio",content:"initSegment"};this.audioSwitch?this.pendingData=[s]:(this.appended=!0,this.pendingBuffering=!0,this.hls.trigger(d.a.BUFFER_APPENDING,s))}this.tick()}}},c.onFragParsingData=function(e){var t=this,r=this.fragCurrent,i=e.frag;if(r&&"audio"===e.id&&"audio"===e.type&&i.sn===r.sn&&i.level===r.level&&this.state===_e){var a=this.trackId,n=this.tracks[a],s=this.hls;Object(l.a)(e.endPTS)||(e.endPTS=e.startPTS+r.duration,e.endDTS=e.startDTS+r.duration),r.addElementaryStream(p.AUDIO),u.b.log("parsed "+e.type+",PTS:["+e.startPTS.toFixed(3)+","+e.endPTS.toFixed(3)+"],DTS:["+e.startDTS.toFixed(3)+"/"+e.endDTS.toFixed(3)+"],nb:"+e.nb),te(n.details,r,e.startPTS,e.endPTS);var c=this.audioSwitch,h=this.media,f=!1;if(c)if(h&&h.readyState){var g=h.currentTime;u.b.log("switching audio track : currentTime:"+g),g>=e.startPTS&&(u.b.log("switching audio track : flushing all audio"),this.state=Re,s.trigger(d.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),f=!0,this.audioSwitch=!1,s.trigger(d.a.AUDIO_TRACK_SWITCHED,{id:a}))}else this.audioSwitch=!1,s.trigger(d.a.AUDIO_TRACK_SWITCHED,{id:a});var v=this.pendingData;if(!v)return u.b.warn("Apparently attempt to enqueue media payload without codec initialization data upfront"),void s.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:null,fatal:!0});this.audioSwitch||([e.data1,e.data2].forEach((function(t){t&&t.length&&v.push({type:e.type,data:t,parent:"audio",content:"data"})})),!f&&v.length&&(v.forEach((function(e){t.state===_e&&(t.pendingBuffering=!0,t.hls.trigger(d.a.BUFFER_APPENDING,e))})),this.pendingData=[],this.appended=!0)),this.tick()}},c.onFragParsed=function(e){var t=this.fragCurrent,r=e.frag;t&&"audio"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===_e&&(this.stats.tparsed=nt.now(),this.state=Ae,this._checkAppendedParsed())},c.onBufferReset=function(){this.mediaBuffer=this.videoBuffer=null,this.loadedmetadata=!1},c.onBufferCreated=function(e){var t=e.tracks.audio;t&&(this.mediaBuffer=t.buffer,this.loadedmetadata=!0),e.tracks.video&&(this.videoBuffer=e.tracks.video.buffer)},c.onBufferAppended=function(e){if("audio"===e.parent){var t=this.state;t!==_e&&t!==Ae||(this.pendingBuffering=e.pending>0,this._checkAppendedParsed())}},c._checkAppendedParsed=function(){if(!(this.state!==Ae||this.appended&&this.pendingBuffering)){var e=this.fragCurrent,t=this.stats,r=this.hls;if(e){this.fragPrevious=e,t.tbuffered=nt.now(),r.trigger(d.a.FRAG_BUFFERED,{stats:t,frag:e,id:"audio"});var i=this.mediaBuffer?this.mediaBuffer:this.media;i&&u.b.log("audio buffered : "+ne.toString(i.buffered)),this.audioSwitch&&this.appended&&(this.audioSwitch=!1,r.trigger(d.a.AUDIO_TRACK_SWITCHED,{id:this.trackId})),this.state=me}this.tick()}},c.onError=function(e){var t=e.frag;if(!t||"audio"===t.type)switch(e.details){case o.a.FRAG_LOAD_ERROR:case o.a.FRAG_LOAD_TIMEOUT:var r=e.frag;if(r&&"audio"!==r.type)break;if(!e.fatal){var i=this.fragLoadError;i?i++:i=1;var a=this.config;if(i<=a.fragLoadingMaxRetry){this.fragLoadError=i;var n=Math.min(Math.pow(2,i-1)*a.fragLoadingRetryDelay,a.fragLoadingMaxRetryTimeout);u.b.warn("AudioStreamController: frag loading failed, retry in "+n+" ms"),this.retryDate=nt.now()+n,this.state=Ee}else u.b.error("AudioStreamController: "+e.details+" reaches max retry, redispatch as fatal ..."),e.fatal=!0,this.state=we}break;case o.a.AUDIO_TRACK_LOAD_ERROR:case o.a.AUDIO_TRACK_LOAD_TIMEOUT:case o.a.KEY_LOAD_ERROR:case o.a.KEY_LOAD_TIMEOUT:this.state!==we&&(this.state=e.fatal?we:me,u.b.warn("AudioStreamController: "+e.details+" while loading frag, now switching to "+this.state+" state ..."));break;case o.a.BUFFER_FULL_ERROR:if("audio"===e.parent&&(this.state===_e||this.state===Ae)){var s=this.mediaBuffer,l=this.media.currentTime;if(s&&H.isBuffered(s,l)&&H.isBuffered(s,l+.5)){var c=this.config;c.maxMaxBufferLength>=c.maxBufferLength&&(c.maxMaxBufferLength/=2,u.b.warn("AudioStreamController: reduce max buffer length to "+c.maxMaxBufferLength+"s")),this.state=me}else u.b.warn("AudioStreamController: buffer full error also media.currentTime is not buffered, flush audio buffer"),this.fragCurrent=null,this.state=Re,this.hls.trigger(d.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"})}}},c.onBufferFlushed=function(){var e=this,t=this.pendingData;t&&t.length?(u.b.log("AudioStreamController: appending pending audio data after buffer flushed"),t.forEach((function(t){e.hls.trigger(d.a.BUFFER_APPENDING,t)})),this.appended=!0,this.pendingData=[],this.state=Ae):(this.state=me,this.fragPrevious=null,this.tick())},a=i,(n=[{key:"state",set:function(e){if(this.state!==e){var t=this.state;this._state=e,u.b.log("audio stream:"+t+"->"+e)}},get:function(){return this._state}}])&&at(a.prototype,n),s&&at(a,s),i}(Ce),ot=function(){if("undefined"!=typeof window&&window.VTTCue)return window.VTTCue;var e={"":!0,lr:!0,rl:!0},t={start:!0,middle:!0,end:!0,left:!0,right:!0};function r(e){return"string"==typeof e&&(!!t[e.toLowerCase()]&&e.toLowerCase())}function i(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var i in r)e[i]=r[i]}return e}function a(t,a,n){var s=this,o={enumerable:!0};s.hasBeenReset=!1;var l="",d=!1,u=t,c=a,h=n,f=null,g="",p=!0,v="auto",m="start",y=50,b="middle",T=50,E="middle";Object.defineProperty(s,"id",i({},o,{get:function(){return l},set:function(e){l=""+e}})),Object.defineProperty(s,"pauseOnExit",i({},o,{get:function(){return d},set:function(e){d=!!e}})),Object.defineProperty(s,"startTime",i({},o,{get:function(){return u},set:function(e){if("number"!=typeof e)throw new TypeError("Start time must be set to a number.");u=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"endTime",i({},o,{get:function(){return c},set:function(e){if("number"!=typeof e)throw new TypeError("End time must be set to a number.");c=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"text",i({},o,{get:function(){return h},set:function(e){h=""+e,this.hasBeenReset=!0}})),Object.defineProperty(s,"region",i({},o,{get:function(){return f},set:function(e){f=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"vertical",i({},o,{get:function(){return g},set:function(t){var r=function(t){return"string"==typeof t&&(!!e[t.toLowerCase()]&&t.toLowerCase())}(t);if(!1===r)throw new SyntaxError("An invalid or illegal string was specified.");g=r,this.hasBeenReset=!0}})),Object.defineProperty(s,"snapToLines",i({},o,{get:function(){return p},set:function(e){p=!!e,this.hasBeenReset=!0}})),Object.defineProperty(s,"line",i({},o,{get:function(){return v},set:function(e){if("number"!=typeof e&&"auto"!==e)throw new SyntaxError("An invalid number or illegal string was specified.");v=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"lineAlign",i({},o,{get:function(){return m},set:function(e){var t=r(e);if(!t)throw new SyntaxError("An invalid or illegal string was specified.");m=t,this.hasBeenReset=!0}})),Object.defineProperty(s,"position",i({},o,{get:function(){return y},set:function(e){if(e<0||e>100)throw new Error("Position must be between 0 and 100.");y=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"positionAlign",i({},o,{get:function(){return b},set:function(e){var t=r(e);if(!t)throw new SyntaxError("An invalid or illegal string was specified.");b=t,this.hasBeenReset=!0}})),Object.defineProperty(s,"size",i({},o,{get:function(){return T},set:function(e){if(e<0||e>100)throw new Error("Size must be between 0 and 100.");T=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"align",i({},o,{get:function(){return E},set:function(e){var t=r(e);if(!t)throw new SyntaxError("An invalid or illegal string was specified.");E=t,this.hasBeenReset=!0}})),s.displayState=void 0}return a.prototype.getCueAsHTML=function(){return window.WebVTT.convertCueToDOMTree(window,this.text)},a}(),lt=function(){return{decode:function(e){if(!e)return"";if("string"!=typeof e)throw new Error("Error - expected string data.");return decodeURIComponent(encodeURIComponent(e))}}};function dt(){this.window=window,this.state="INITIAL",this.buffer="",this.decoder=new lt,this.regionList=[]}function ut(){this.values=Object.create(null)}function ct(e,t,r,i){var a=i?e.split(i):[e];for(var n in a)if("string"==typeof a[n]){var s=a[n].split(r);if(2===s.length)t(s[0],s[1])}}ut.prototype={set:function(e,t){this.get(e)||""===t||(this.values[e]=t)},get:function(e,t,r){return r?this.has(e)?this.values[e]:t[r]:this.has(e)?this.values[e]:t},has:function(e){return e in this.values},alt:function(e,t,r){for(var i=0;i<r.length;++i)if(t===r[i]){this.set(e,t);break}},integer:function(e,t){/^-?\d+$/.test(t)&&this.set(e,parseInt(t,10))},percent:function(e,t){return!!(t.match(/^([\d]{1,3})(\.[\d]*)?%$/)&&(t=parseFloat(t))>=0&&t<=100)&&(this.set(e,t),!0)}};var ht=new ot(0,0,0),ft="middle"===ht.align?"middle":"center";function gt(e,t,r){var i=e;function a(){var t=function(e){function t(e,t,r,i){return 3600*(0|e)+60*(0|t)+(0|r)+(0|i)/1e3}var r=e.match(/^(\d+):(\d{2})(:\d{2})?\.(\d{3})/);return r?r[3]?t(r[1],r[2],r[3].replace(":",""),r[4]):r[1]>59?t(r[1],r[2],0,r[4]):t(0,r[1],r[2],r[4]):null}(e);if(null===t)throw new Error("Malformed timestamp: "+i);return e=e.replace(/^[^\sa-zA-Z-]+/,""),t}function n(){e=e.replace(/^\s+/,"")}if(n(),t.startTime=a(),n(),"--\x3e"!==e.substr(0,3))throw new Error("Malformed time stamp (time stamps must be separated by '--\x3e'): "+i);e=e.substr(3),n(),t.endTime=a(),n(),function(e,t){var i=new ut;ct(e,(function(e,t){switch(e){case"region":for(var a=r.length-1;a>=0;a--)if(r[a].id===t){i.set(e,r[a].region);break}break;case"vertical":i.alt(e,t,["rl","lr"]);break;case"line":var n=t.split(","),s=n[0];i.integer(e,s),i.percent(e,s)&&i.set("snapToLines",!1),i.alt(e,s,["auto"]),2===n.length&&i.alt("lineAlign",n[1],["start",ft,"end"]);break;case"position":n=t.split(","),i.percent(e,n[0]),2===n.length&&i.alt("positionAlign",n[1],["start",ft,"end","line-left","line-right","auto"]);break;case"size":i.percent(e,t);break;case"align":i.alt(e,t,["start",ft,"end","left","right"])}}),/:/,/\s/),t.region=i.get("region",null),t.vertical=i.get("vertical","");var a=i.get("line","auto");"auto"===a&&-1===ht.line&&(a=-1),t.line=a,t.lineAlign=i.get("lineAlign","start"),t.snapToLines=i.get("snapToLines",!0),t.size=i.get("size",100),t.align=i.get("align",ft);var n=i.get("position","auto");"auto"===n&&50===ht.position&&(n="start"===t.align||"left"===t.align?0:"end"===t.align||"right"===t.align?100:50),t.position=n}(e,t)}function pt(e){return e.replace(/<br(?: \/)?>/gi,"\n")}dt.prototype={parse:function(e){var t=this;function r(){var e=t.buffer,r=0;for(e=pt(e);r<e.length&&"\r"!==e[r]&&"\n"!==e[r];)++r;var i=e.substr(0,r);return"\r"===e[r]&&++r,"\n"===e[r]&&++r,t.buffer=e.substr(r),i}e&&(t.buffer+=t.decoder.decode(e,{stream:!0}));try{var i;if("INITIAL"===t.state){if(!/\r\n|\n/.test(t.buffer))return this;var a=(i=r()).match(/^()?WEBVTT([ \t].*)?$/);if(!a||!a[0])throw new Error("Malformed WebVTT signature.");t.state="HEADER"}for(var n=!1;t.buffer;){if(!/\r\n|\n/.test(t.buffer))return this;switch(n?n=!1:i=r(),t.state){case"HEADER":/:/.test(i)?ct(i,(function(e,t){}),/:/):i||(t.state="ID");continue;case"NOTE":i||(t.state="ID");continue;case"ID":if(/^NOTE($|[ \t])/.test(i)){t.state="NOTE";break}if(!i)continue;if(t.cue=new ot(0,0,""),t.state="CUE",-1===i.indexOf("--\x3e")){t.cue.id=i;continue}case"CUE":try{gt(i,t.cue,t.regionList)}catch(e){t.cue=null,t.state="BADCUE";continue}t.state="CUETEXT";continue;case"CUETEXT":var s=-1!==i.indexOf("--\x3e");if(!i||s&&(n=!0)){t.oncue&&t.oncue(t.cue),t.cue=null,t.state="ID";continue}t.cue.text&&(t.cue.text+="\n"),t.cue.text+=i;continue;case"BADCUE":i||(t.state="ID");continue}}}catch(e){"CUETEXT"===t.state&&t.cue&&t.oncue&&t.oncue(t.cue),t.cue=null,t.state="INITIAL"===t.state?"BADWEBVTT":"BADCUE"}return this},flush:function(){try{if(this.buffer+=this.decoder.decode(),(this.cue||"HEADER"===this.state)&&(this.buffer+="\n\n",this.parse()),"INITIAL"===this.state)throw new Error("Malformed WebVTT signature.")}catch(e){throw e}return this.onflush&&this.onflush(),this}};var vt=dt;function mt(e,t,r,i){for(var a,n,s,o,l,d=window.VTTCue||TextTrackCue,u=0;u<i.rows.length;u++)if(s=!0,o=0,l="",!(a=i.rows[u]).isEmpty()){for(var c=0;c<a.chars.length;c++)a.chars[c].uchar.match(/\s/)&&s?o++:(l+=a.chars[c].uchar,s=!1);a.cueStartTime=t,t===r&&(r+=1e-4),n=new d(t,r,pt(l.trim())),o>=16?o--:o++,navigator.userAgent.match(/Firefox\//)?n.line=u+1:n.line=u>7?u-2:u+1,n.align="left",n.position=Math.max(0,Math.min(100,o/32*100)),e.addCue(n)}}var yt,bt={42:225,92:233,94:237,95:243,96:250,123:231,124:247,125:209,126:241,127:9608,128:174,129:176,130:189,131:191,132:8482,133:162,134:163,135:9834,136:224,137:32,138:232,139:226,140:234,141:238,142:244,143:251,144:193,145:201,146:211,147:218,148:220,149:252,150:8216,151:161,152:42,153:8217,154:9473,155:169,156:8480,157:8226,158:8220,159:8221,160:192,161:194,162:199,163:200,164:202,165:203,166:235,167:206,168:207,169:239,170:212,171:217,172:249,173:219,174:171,175:187,176:195,177:227,178:205,179:204,180:236,181:210,182:242,183:213,184:245,185:123,186:125,187:92,188:94,189:95,190:124,191:8764,192:196,193:228,194:214,195:246,196:223,197:165,198:164,199:9475,200:197,201:229,202:216,203:248,204:9487,205:9491,206:9495,207:9499},Tt=function(e){var t=e;return bt.hasOwnProperty(e)&&(t=bt[e]),String.fromCharCode(t)},Et={17:1,18:3,21:5,22:7,23:9,16:11,19:12,20:14},St={17:2,18:4,21:6,22:8,23:10,19:13,20:15},_t={25:1,26:3,29:5,30:7,31:9,24:11,27:12,28:14},At={25:2,26:4,29:6,30:8,31:10,27:13,28:15},Rt=["white","green","blue","cyan","red","yellow","magenta","black","transparent"];!function(e){e[e.ERROR=0]="ERROR",e[e.TEXT=1]="TEXT",e[e.WARNING=2]="WARNING",e[e.INFO=2]="INFO",e[e.DEBUG=3]="DEBUG",e[e.DATA=3]="DATA"}(yt||(yt={}));var kt={verboseFilter:{DATA:3,DEBUG:3,INFO:2,WARNING:2,TEXT:1,ERROR:0},time:null,verboseLevel:0,setTime:function(e){this.time=e},log:function(e,t){this.verboseFilter[e];this.verboseLevel}},wt=function(e){for(var t=[],r=0;r<e.length;r++)t.push(e[r].toString(16));return t},Lt=function(){function e(e,t,r,i,a){this.foreground=void 0,this.underline=void 0,this.italics=void 0,this.background=void 0,this.flash=void 0,this.foreground=e||"white",this.underline=t||!1,this.italics=r||!1,this.background=i||"black",this.flash=a||!1}var t=e.prototype;return t.reset=function(){this.foreground="white",this.underline=!1,this.italics=!1,this.background="black",this.flash=!1},t.setStyles=function(e){for(var t=["foreground","underline","italics","background","flash"],r=0;r<t.length;r++){var i=t[r];e.hasOwnProperty(i)&&(this[i]=e[i])}},t.isDefault=function(){return"white"===this.foreground&&!this.underline&&!this.italics&&"black"===this.background&&!this.flash},t.equals=function(e){return this.foreground===e.foreground&&this.underline===e.underline&&this.italics===e.italics&&this.background===e.background&&this.flash===e.flash},t.copy=function(e){this.foreground=e.foreground,this.underline=e.underline,this.italics=e.italics,this.background=e.background,this.flash=e.flash},t.toString=function(){return"color="+this.foreground+", underline="+this.underline+", italics="+this.italics+", background="+this.background+", flash="+this.flash},e}(),Dt=function(){function e(e,t,r,i,a,n){this.uchar=void 0,this.penState=void 0,this.uchar=e||" ",this.penState=new Lt(t,r,i,a,n)}var t=e.prototype;return t.reset=function(){this.uchar=" ",this.penState.reset()},t.setChar=function(e,t){this.uchar=e,this.penState.copy(t)},t.setPenState=function(e){this.penState.copy(e)},t.equals=function(e){return this.uchar===e.uchar&&this.penState.equals(e.penState)},t.copy=function(e){this.uchar=e.uchar,this.penState.copy(e.penState)},t.isEmpty=function(){return" "===this.uchar&&this.penState.isDefault()},e}(),Ct=function(){function e(){this.chars=void 0,this.pos=void 0,this.currPenState=void 0,this.cueStartTime=void 0,this.chars=[];for(var e=0;e<100;e++)this.chars.push(new Dt);this.pos=0,this.currPenState=new Lt}var t=e.prototype;return t.equals=function(e){for(var t=!0,r=0;r<100;r++)if(!this.chars[r].equals(e.chars[r])){t=!1;break}return t},t.copy=function(e){for(var t=0;t<100;t++)this.chars[t].copy(e.chars[t])},t.isEmpty=function(){for(var e=!0,t=0;t<100;t++)if(!this.chars[t].isEmpty()){e=!1;break}return e},t.setCursor=function(e){this.pos!==e&&(this.pos=e),this.pos<0?(kt.log("ERROR","Negative cursor position "+this.pos),this.pos=0):this.pos>100&&(kt.log("ERROR","Too large cursor position "+this.pos),this.pos=100)},t.moveCursor=function(e){var t=this.pos+e;if(e>1)for(var r=this.pos+1;r<t+1;r++)this.chars[r].setPenState(this.currPenState);this.setCursor(t)},t.backSpace=function(){this.moveCursor(-1),this.chars[this.pos].setChar(" ",this.currPenState)},t.insertChar=function(e){e>=144&&this.backSpace();var t=Tt(e);this.pos>=100?kt.log("ERROR","Cannot insert "+e.toString(16)+" ("+t+") at position "+this.pos+". Skipping it!"):(this.chars[this.pos].setChar(t,this.currPenState),this.moveCursor(1))},t.clearFromPos=function(e){var t;for(t=e;t<100;t++)this.chars[t].reset()},t.clear=function(){this.clearFromPos(0),this.pos=0,this.currPenState.reset()},t.clearToEndOfRow=function(){this.clearFromPos(this.pos)},t.getTextString=function(){for(var e=[],t=!0,r=0;r<100;r++){var i=this.chars[r].uchar;" "!==i&&(t=!1),e.push(i)}return t?"":e.join("")},t.setPenStyles=function(e){this.currPenState.setStyles(e),this.chars[this.pos].setPenState(this.currPenState)},e}(),It=function(){function e(){this.rows=void 0,this.currRow=void 0,this.nrRollUpRows=void 0,this.lastOutputScreen=void 0,this.rows=[];for(var e=0;e<15;e++)this.rows.push(new Ct);this.currRow=14,this.nrRollUpRows=null,this.reset()}var t=e.prototype;return t.reset=function(){for(var e=0;e<15;e++)this.rows[e].clear();this.currRow=14},t.equals=function(e){for(var t=!0,r=0;r<15;r++)if(!this.rows[r].equals(e.rows[r])){t=!1;break}return t},t.copy=function(e){for(var t=0;t<15;t++)this.rows[t].copy(e.rows[t])},t.isEmpty=function(){for(var e=!0,t=0;t<15;t++)if(!this.rows[t].isEmpty()){e=!1;break}return e},t.backSpace=function(){this.rows[this.currRow].backSpace()},t.clearToEndOfRow=function(){this.rows[this.currRow].clearToEndOfRow()},t.insertChar=function(e){this.rows[this.currRow].insertChar(e)},t.setPen=function(e){this.rows[this.currRow].setPenStyles(e)},t.moveCursor=function(e){this.rows[this.currRow].moveCursor(e)},t.setCursor=function(e){kt.log("INFO","setCursor: "+e),this.rows[this.currRow].setCursor(e)},t.setPAC=function(e){kt.log("INFO","pacData = "+JSON.stringify(e));var t=e.row-1;if(this.nrRollUpRows&&t<this.nrRollUpRows-1&&(t=this.nrRollUpRows-1),this.nrRollUpRows&&this.currRow!==t){for(var r=0;r<15;r++)this.rows[r].clear();var i=this.currRow+1-this.nrRollUpRows,a=this.lastOutputScreen;if(a){var n=a.rows[i].cueStartTime;if(n&&kt.time&&n<kt.time)for(var s=0;s<this.nrRollUpRows;s++)this.rows[t-this.nrRollUpRows+s+1].copy(a.rows[i+s])}}this.currRow=t;var o=this.rows[this.currRow];if(null!==e.indent){var l=e.indent,d=Math.max(l-1,0);o.setCursor(e.indent),e.color=o.chars[d].penState.foreground}var u={foreground:e.color,underline:e.underline,italics:e.italics,background:"black",flash:!1};this.setPen(u)},t.setBkgData=function(e){kt.log("INFO","bkgData = "+JSON.stringify(e)),this.backSpace(),this.setPen(e),this.insertChar(32)},t.setRollUpRows=function(e){this.nrRollUpRows=e},t.rollUp=function(){if(null!==this.nrRollUpRows){kt.log("TEXT",this.getDisplayText());var e=this.currRow+1-this.nrRollUpRows,t=this.rows.splice(e,1)[0];t.clear(),this.rows.splice(this.currRow,0,t),kt.log("INFO","Rolling up")}else kt.log("DEBUG","roll_up but nrRollUpRows not set yet")},t.getDisplayText=function(e){e=e||!1;for(var t=[],r="",i=-1,a=0;a<15;a++){var n=this.rows[a].getTextString();n&&(i=a+1,e?t.push("Row "+i+": '"+n+"'"):t.push(n.trim()))}return t.length>0&&(r=e?"["+t.join(" | ")+"]":t.join("\n")),r},t.getTextAndFormat=function(){return this.rows},e}(),Ot=function(){function e(e,t){this.chNr=void 0,this.outputFilter=void 0,this.mode=void 0,this.verbose=void 0,this.displayedMemory=void 0,this.nonDisplayedMemory=void 0,this.lastOutputScreen=void 0,this.currRollUpRow=void 0,this.writeScreen=void 0,this.cueStartTime=void 0,this.lastCueEndTime=void 0,this.chNr=e,this.outputFilter=t,this.mode=null,this.verbose=0,this.displayedMemory=new It,this.nonDisplayedMemory=new It,this.lastOutputScreen=new It,this.currRollUpRow=this.displayedMemory.rows[14],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null}var t=e.prototype;return t.reset=function(){this.mode=null,this.displayedMemory.reset(),this.nonDisplayedMemory.reset(),this.lastOutputScreen.reset(),this.currRollUpRow=this.displayedMemory.rows[14],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null},t.getHandler=function(){return this.outputFilter},t.setHandler=function(e){this.outputFilter=e},t.setPAC=function(e){this.writeScreen.setPAC(e)},t.setBkgData=function(e){this.writeScreen.setBkgData(e)},t.setMode=function(e){e!==this.mode&&(this.mode=e,kt.log("INFO","MODE="+e),"MODE_POP-ON"===this.mode?this.writeScreen=this.nonDisplayedMemory:(this.writeScreen=this.displayedMemory,this.writeScreen.reset()),"MODE_ROLL-UP"!==this.mode&&(this.displayedMemory.nrRollUpRows=null,this.nonDisplayedMemory.nrRollUpRows=null),this.mode=e)},t.insertChars=function(e){for(var t=0;t<e.length;t++)this.writeScreen.insertChar(e[t]);var r=this.writeScreen===this.displayedMemory?"DISP":"NON_DISP";kt.log("INFO",r+": "+this.writeScreen.getDisplayText(!0)),"MODE_PAINT-ON"!==this.mode&&"MODE_ROLL-UP"!==this.mode||(kt.log("TEXT","DISPLAYED: "+this.displayedMemory.getDisplayText(!0)),this.outputDataUpdate())},t.ccRCL=function(){kt.log("INFO","RCL - Resume Caption Loading"),this.setMode("MODE_POP-ON")},t.ccBS=function(){kt.log("INFO","BS - BackSpace"),"MODE_TEXT"!==this.mode&&(this.writeScreen.backSpace(),this.writeScreen===this.displayedMemory&&this.outputDataUpdate())},t.ccAOF=function(){},t.ccAON=function(){},t.ccDER=function(){kt.log("INFO","DER- Delete to End of Row"),this.writeScreen.clearToEndOfRow(),this.outputDataUpdate()},t.ccRU=function(e){kt.log("INFO","RU("+e+") - Roll Up"),this.writeScreen=this.displayedMemory,this.setMode("MODE_ROLL-UP"),this.writeScreen.setRollUpRows(e)},t.ccFON=function(){kt.log("INFO","FON - Flash On"),this.writeScreen.setPen({flash:!0})},t.ccRDC=function(){kt.log("INFO","RDC - Resume Direct Captioning"),this.setMode("MODE_PAINT-ON")},t.ccTR=function(){kt.log("INFO","TR"),this.setMode("MODE_TEXT")},t.ccRTD=function(){kt.log("INFO","RTD"),this.setMode("MODE_TEXT")},t.ccEDM=function(){kt.log("INFO","EDM - Erase Displayed Memory"),this.displayedMemory.reset(),this.outputDataUpdate(!0)},t.ccCR=function(){kt.log("INFO","CR - Carriage Return"),this.writeScreen.rollUp(),this.outputDataUpdate(!0)},t.ccENM=function(){kt.log("INFO","ENM - Erase Non-displayed Memory"),this.nonDisplayedMemory.reset()},t.ccEOC=function(){if(kt.log("INFO","EOC - End Of Caption"),"MODE_POP-ON"===this.mode){var e=this.displayedMemory;this.displayedMemory=this.nonDisplayedMemory,this.nonDisplayedMemory=e,this.writeScreen=this.nonDisplayedMemory,kt.log("TEXT","DISP: "+this.displayedMemory.getDisplayText())}this.outputDataUpdate(!0)},t.ccTO=function(e){kt.log("INFO","TO("+e+") - Tab Offset"),this.writeScreen.moveCursor(e)},t.ccMIDROW=function(e){var t={flash:!1};if(t.underline=e%2==1,t.italics=e>=46,t.italics)t.foreground="white";else{var r=Math.floor(e/2)-16;t.foreground=["white","green","blue","cyan","red","yellow","magenta"][r]}kt.log("INFO","MIDROW: "+JSON.stringify(t)),this.writeScreen.setPen(t)},t.outputDataUpdate=function(e){void 0===e&&(e=!1);var t=kt.time;null!==t&&this.outputFilter&&(null!==this.cueStartTime||this.displayedMemory.isEmpty()?this.displayedMemory.equals(this.lastOutputScreen)||(this.outputFilter.newCue(this.cueStartTime,t,this.lastOutputScreen),e&&this.outputFilter.dispatchCue&&this.outputFilter.dispatchCue(),this.cueStartTime=this.displayedMemory.isEmpty()?null:t):this.cueStartTime=t,this.lastOutputScreen.copy(this.displayedMemory))},t.cueSplitAtTime=function(e){this.outputFilter&&(this.displayedMemory.isEmpty()||(this.outputFilter.newCue&&this.outputFilter.newCue(this.cueStartTime,e,this.displayedMemory),this.cueStartTime=e))},e}(),Pt=function(){function e(e,t,r){this.field=void 0,this.outputs=void 0,this.channels=void 0,this.currChNr=void 0,this.lastCmdA=void 0,this.lastCmdB=void 0,this.lastTime=void 0,this.dataCounters=void 0,this.field=e||1,this.outputs=[t,r],this.channels=[new Ot(1,t),new Ot(2,r)],this.currChNr=-1,this.lastCmdA=null,this.lastCmdB=null,this.lastTime=null,this.dataCounters={padding:0,char:0,cmd:0,other:0}}var t=e.prototype;return t.getHandler=function(e){return this.channels[e].getHandler()},t.setHandler=function(e,t){this.channels[e].setHandler(t)},t.addData=function(e,t){var r,i,a,n=!1;this.lastTime=e,kt.setTime(e);for(var s=0;s<t.length;s+=2)if(i=127&t[s],a=127&t[s+1],0!==i||0!==a){if(kt.log("DATA","["+wt([t[s],t[s+1]])+"] -> ("+wt([i,a])+")"),(r=this.parseCmd(i,a))||(r=this.parseMidrow(i,a)),r||(r=this.parsePAC(i,a)),r||(r=this.parseBackgroundAttributes(i,a)),!r)if(n=this.parseChars(i,a))if(this.currChNr&&this.currChNr>=0)this.channels[this.currChNr-1].insertChars(n);else kt.log("WARNING","No channel found yet. TEXT-MODE?");r?this.dataCounters.cmd+=2:n?this.dataCounters.char+=2:(this.dataCounters.other+=2,kt.log("WARNING","Couldn't parse cleaned data "+wt([i,a])+" orig: "+wt([t[s],t[s+1]])))}else this.dataCounters.padding+=2},t.parseCmd=function(e,t){var r=null;if(!((20===e||28===e)&&t>=32&&t<=47)&&!((23===e||31===e)&&t>=33&&t<=35))return!1;if(e===this.lastCmdA&&t===this.lastCmdB)return this.lastCmdA=null,this.lastCmdB=null,kt.log("DEBUG","Repeated command ("+wt([e,t])+") is dropped"),!0;r=20===e||23===e?1:2;var i=this.channels[r-1];return 20===e||28===e?32===t?i.ccRCL():33===t?i.ccBS():34===t?i.ccAOF():35===t?i.ccAON():36===t?i.ccDER():37===t?i.ccRU(2):38===t?i.ccRU(3):39===t?i.ccRU(4):40===t?i.ccFON():41===t?i.ccRDC():42===t?i.ccTR():43===t?i.ccRTD():44===t?i.ccEDM():45===t?i.ccCR():46===t?i.ccENM():47===t&&i.ccEOC():i.ccTO(t-32),this.lastCmdA=e,this.lastCmdB=t,this.currChNr=r,!0},t.parseMidrow=function(e,t){var r=null;return(17===e||25===e)&&t>=32&&t<=47&&((r=17===e?1:2)!==this.currChNr?(kt.log("ERROR","Mismatch channel in midrow parsing"),!1):(this.channels[r-1].ccMIDROW(t),kt.log("DEBUG","MIDROW ("+wt([e,t])+")"),!0))},t.parsePAC=function(e,t){var r,i=null;if(!((e>=17&&e<=23||e>=25&&e<=31)&&t>=64&&t<=127)&&!((16===e||24===e)&&t>=64&&t<=95))return!1;if(e===this.lastCmdA&&t===this.lastCmdB)return this.lastCmdA=null,this.lastCmdB=null,!0;r=e<=23?1:2,i=t>=64&&t<=95?1===r?Et[e]:_t[e]:1===r?St[e]:At[e];var a=this.interpretPAC(i,t);return this.channels[r-1].setPAC(a),this.lastCmdA=e,this.lastCmdB=t,this.currChNr=r,!0},t.interpretPAC=function(e,t){var r=t,i={color:null,italics:!1,indent:null,underline:!1,row:e};return r=t>95?t-96:t-64,i.underline=1==(1&r),r<=13?i.color=["white","green","blue","cyan","red","yellow","magenta","white"][Math.floor(r/2)]:r<=15?(i.italics=!0,i.color="white"):i.indent=4*Math.floor((r-16)/2),i},t.parseChars=function(e,t){var r=null,i=null,a=null;if(e>=25?(r=2,a=e-8):(r=1,a=e),a>=17&&a<=19){var n=t;n=17===a?t+80:18===a?t+112:t+144,kt.log("INFO","Special char '"+Tt(n)+"' in channel "+r),i=[n]}else e>=32&&e<=127&&(i=0===t?[e]:[e,t]);if(i){var s=wt(i);kt.log("DEBUG","Char codes = "+s.join(",")),this.lastCmdA=null,this.lastCmdB=null}return i},t.parseBackgroundAttributes=function(e,t){var r,i,a;return((16===e||24===e)&&t>=32&&t<=47||(23===e||31===e)&&t>=45&&t<=47)&&(r={},16===e||24===e?(i=Math.floor((t-32)/2),r.background=Rt[i],t%2==1&&(r.background=r.background+"_semi")):45===t?r.background="transparent":(r.foreground="black",47===t&&(r.underline=!0)),a=e<24?1:2,this.channels[a-1].setBkgData(r),this.lastCmdA=null,this.lastCmdB=null,!0)},t.reset=function(){for(var e=0;e<this.channels.length;e++)this.channels[e]&&this.channels[e].reset();this.lastCmdA=null,this.lastCmdB=null},t.cueSplitAtTime=function(e){for(var t=0;t<this.channels.length;t++)this.channels[t]&&this.channels[t].cueSplitAtTime(e)},e}(),xt=function(){function e(e,t){this.timelineController=void 0,this.trackName=void 0,this.startTime=void 0,this.endTime=void 0,this.screen=void 0,this.timelineController=e,this.trackName=t,this.startTime=null,this.endTime=null,this.screen=null}var t=e.prototype;return t.dispatchCue=function(){null!==this.startTime&&(this.timelineController.addCues(this.trackName,this.startTime,this.endTime,this.screen),this.startTime=null)},t.newCue=function(e,t,r){(null===this.startTime||this.startTime>e)&&(this.startTime=e),this.endTime=t,this.screen=r,this.timelineController.createCaptionsTrack(this.trackName)},e}(),Mt=function(e,t,r){return e.substr(r||0,t.length)===t},Ft=function(e){for(var t=5381,r=e.length;r;)t=33*t^e.charCodeAt(--r);return(t>>>0).toString()},Ut={parse:function(e,t,r,i,a,n){var s,o=Object(Fe.b)(new Uint8Array(e)).trim().replace(/\r\n|\n\r|\n|\r/g,"\n").split("\n"),d="00:00.000",u=0,c=0,h=0,f=[],g=!0,p=new vt;p.oncue=function(e){var t=r[i],a=r.ccOffset;t&&t.new&&(void 0!==c?a=r.ccOffset=t.start:function(e,t,r){var i=e[t],a=e[i.prevCC];if(!a||!a.new&&i.new)return e.ccOffset=e.presentationOffset=i.start,void(i.new=!1);for(;a&&a.new;)e.ccOffset+=i.start-a.start,i.new=!1,a=e[(i=a).prevCC];e.presentationOffset=r}(r,i,h)),h&&(a=h-r.presentationOffset),e.startTime+=a-c,e.endTime+=a-c;var n=e.text.trim();e.id=Ft(e.startTime.toString())+Ft(e.endTime.toString())+Ft(n),e.text=decodeURIComponent(encodeURIComponent(e.text)),e.endTime>0&&f.push(e)},p.onparsingerror=function(e){s=e},p.onflush=function(){s&&n?n(s):a(f)},o.forEach((function(e){if(g){if(Mt(e,"X-TIMESTAMP-MAP=")){g=!1,!0,e.substr(16).split(",").forEach((function(e){Mt(e,"LOCAL:")?d=e.substr(6):Mt(e,"MPEGTS:")&&(u=parseInt(e.substr(7)))}));try{u-=t,c=function(e){var t=parseInt(e.substr(-3)),r=parseInt(e.substr(-6,2)),i=parseInt(e.substr(-9,2)),a=e.length>9?parseInt(e.substr(0,e.indexOf(":"))):0;if(!(Object(l.a)(t)&&Object(l.a)(r)&&Object(l.a)(i)&&Object(l.a)(a)))throw Error("Malformed X-TIMESTAMP-MAP: Local:"+e);return t+=1e3*r,t+=6e4*i,t+=36e5*a}(d)/1e3,h=u/9e4,-1===c&&(s=new Error("Malformed X-TIMESTAMP-MAP: "+e))}catch(e){!1,s=e}return}""===e&&(g=!1)}p.parse(e+"\n")})),p.flush()}};function Nt(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function Bt(e,t){return e&&e.label===t.name&&!(e.textTrack1||e.textTrack2)}var Gt=function(e){var t,r;function i(t){var r;if((r=e.call(this,t,d.a.MEDIA_ATTACHING,d.a.MEDIA_DETACHING,d.a.FRAG_PARSING_USERDATA,d.a.FRAG_DECRYPTED,d.a.MANIFEST_LOADING,d.a.MANIFEST_LOADED,d.a.FRAG_LOADED,d.a.INIT_PTS_FOUND)||this).media=null,r.config=void 0,r.enabled=!0,r.Cues=void 0,r.textTracks=[],r.tracks=[],r.initPTS=[],r.unparsedVttFrags=[],r.cueRanges=[],r.captionsTracks={},r.captionsProperties=void 0,r.cea608Parser=void 0,r.lastSn=-1,r.prevCC=-1,r.vttCCs=null,r.hls=t,r.config=t.config,r.Cues=t.config.cueHandler,r.captionsProperties={textTrack1:{label:r.config.captionsTextTrack1Label,languageCode:r.config.captionsTextTrack1LanguageCode},textTrack2:{label:r.config.captionsTextTrack2Label,languageCode:r.config.captionsTextTrack2LanguageCode}},r.config.enableCEA708Captions){var i=new xt(Nt(r),"textTrack1"),a=new xt(Nt(r),"textTrack2");r.cea608Parser=new Pt(0,i,a)}return r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.addCues=function(e,t,r,i){for(var a,n,s,o,l=this.cueRanges,d=!1,u=l.length;u--;){var c=l[u],h=(a=c[0],n=c[1],s=t,o=r,Math.min(n,o)-Math.max(a,s));if(h>=0&&(c[0]=Math.min(c[0],t),c[1]=Math.max(c[1],r),d=!0,h/(r-t)>.5))return}d||l.push([t,r]),this.Cues.newCue(this.captionsTracks[e],t,r,i)},a.onInitPtsFound=function(e){var t=this,r=e.frag,i=e.id,a=e.initPTS,n=this.unparsedVttFrags;"main"===i&&(this.initPTS[r.cc]=a),n.length&&(this.unparsedVttFrags=[],n.forEach((function(e){t.onFragLoaded(e)})))},a.getExistingTrack=function(e){var t=this.media;if(t)for(var r=0;r<t.textTracks.length;r++){var i=t.textTracks[r];if(i[e])return i}return null},a.createCaptionsTrack=function(e){var t=this.captionsProperties,r=this.captionsTracks,i=this.media,a=t[e],n=a.label,s=a.languageCode;if(!r[e]){var o=this.getExistingTrack(e);if(o)r[e]=o,Ne(r[e]),Ue(r[e],i);else{var l=this.createTextTrack("captions",n,s);l&&(l[e]=!0,r[e]=l)}}},a.createTextTrack=function(e,t,r){var i=this.media;if(i)return i.addTextTrack(e,t,r)},a.destroy=function(){e.prototype.destroy.call(this)},a.onMediaAttaching=function(e){this.media=e.media,this._cleanTracks()},a.onMediaDetaching=function(){var e=this.captionsTracks;Object.keys(e).forEach((function(t){Ne(e[t]),delete e[t]}))},a.onManifestLoading=function(){this.lastSn=-1,this.prevCC=-1,this.vttCCs={ccOffset:0,presentationOffset:0,0:{start:0,prevCC:-1,new:!1}},this._cleanTracks()},a._cleanTracks=function(){var e=this.media;if(e){var t=e.textTracks;if(t)for(var r=0;r<t.length;r++)Ne(t[r])}},a.onManifestLoaded=function(e){var t=this;if(this.textTracks=[],this.unparsedVttFrags=this.unparsedVttFrags||[],this.initPTS=[],this.cueRanges=[],this.config.enableWebVTT){this.tracks=e.subtitles||[];var r=this.media?this.media.textTracks:[];this.tracks.forEach((function(e,i){var a;if(i<r.length){for(var n=null,s=0;s<r.length;s++)if(Bt(r[s],e)){n=r[s];break}n&&(a=n)}a||(a=t.createTextTrack("subtitles",e.name,e.lang)),e.default?a.mode=t.hls.subtitleDisplay?"showing":"hidden":a.mode="disabled",t.textTracks.push(a)}))}},a.onFragLoaded=function(e){var t=e.frag,r=e.payload,i=this.cea608Parser,a=this.initPTS,n=this.lastSn,s=this.unparsedVttFrags;if("main"===t.type){var o=t.sn;t.sn!==n+1&&i&&i.reset(),this.lastSn=o}else if("subtitle"===t.type)if(r.byteLength){if(!Object(l.a)(a[t.cc]))return s.push(e),void(a.length&&this.hls.trigger(d.a.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:t}));var u=t.decryptdata;null!=u&&null!=u.key&&"AES-128"===u.method||this._parseVTTs(t,r)}else this.hls.trigger(d.a.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:t})},a._parseVTTs=function(e,t){var r=this.hls,i=this.prevCC,a=this.textTracks,n=this.vttCCs;n[e.cc]||(n[e.cc]={start:e.start,prevCC:i,new:!0},this.prevCC=e.cc),Ut.parse(t,this.initPTS[e.cc],n,e.cc,(function(t){var i=a[e.level];if("disabled"!==i.mode){var n=Number.MAX_SAFE_INTEGER;t.forEach((function(e){if(n=Math.min(e.startTime,n),!i.cues.getCueById(e.id))try{if(i.addCue(e),!i.cues.getCueById(e.id))throw new Error("addCue is failed for: "+e)}catch(r){u.b.debug("Failed occurred on adding cues: "+r);var t=new window.TextTrackCue(e.startTime,e.endTime,e.text);t.id=e.id,i.addCue(t)}}));for(var s=r.streamController.liveSyncPosition;t.length>0&&void 0!==s&&i.cues[0].startTime<n-300;)i.removeCue(i.cues[0]);r.trigger(d.a.SUBTITLE_FRAG_PROCESSED,{success:!0,frag:e})}else r.trigger(d.a.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:e})}),(function(t){u.b.log("Failed to parse VTT cue: "+t),r.trigger(d.a.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:e})}))},a.onFragDecrypted=function(e){var t=e.frag,r=e.payload;if("subtitle"===t.type){if(!Object(l.a)(this.initPTS[t.cc]))return void this.unparsedVttFrags.push(e);this._parseVTTs(t,r)}},a.onFragParsingUserdata=function(e){if(this.enabled&&this.cea608Parser)for(var t=0;t<e.samples.length;t++){var r=e.samples[t].bytes;if(r){var i=this.extractCea608Data(r);this.cea608Parser.addData(e.samples[t].pts,i)}}},a.extractCea608Data=function(e){for(var t,r,i,a=31&e[0],n=2,s=[],o=0;o<a;o++)t=e[n++],r=127&e[n++],i=127&e[n++],0===r&&0===i||0!=(4&t)&&0===(3&t)&&(s.push(r),s.push(i));return s},i}(h);function Kt(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}function jt(e){for(var t=[],r=0;r<e.length;r++){var i=e[r];"subtitles"===i.kind&&i.label&&t.push(e[r])}return t}var Ht=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.MEDIA_ATTACHED,d.a.MEDIA_DETACHING,d.a.MANIFEST_LOADED,d.a.SUBTITLE_TRACK_LOADED)||this).tracks=[],r.trackId=-1,r.media=null,r.stopped=!0,r.subtitleDisplay=!0,r.queuedDefaultTrack=null,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,o=i.prototype;return o.destroy=function(){h.prototype.destroy.call(this)},o.onMediaAttached=function(e){var t=this;this.media=e.media,this.media&&(Object(l.a)(this.queuedDefaultTrack)&&(this.subtitleTrack=this.queuedDefaultTrack,this.queuedDefaultTrack=null),this.trackChangeListener=this._onTextTracksChanged.bind(this),this.useTextTrackPolling=!(this.media.textTracks&&"onchange"in this.media.textTracks),this.useTextTrackPolling?this.subtitlePollingInterval=setInterval((function(){t.trackChangeListener()}),500):this.media.textTracks.addEventListener("change",this.trackChangeListener))},o.onMediaDetaching=function(){this.media&&(this.useTextTrackPolling?clearInterval(this.subtitlePollingInterval):this.media.textTracks.removeEventListener("change",this.trackChangeListener),Object(l.a)(this.subtitleTrack)&&(this.queuedDefaultTrack=this.subtitleTrack),jt(this.media.textTracks).forEach((function(e){Ne(e)})),this.subtitleTrack=-1,this.media=null)},o.onManifestLoaded=function(e){var t=this,r=e.subtitles||[];this.tracks=r,this.hls.trigger(d.a.SUBTITLE_TRACKS_UPDATED,{subtitleTracks:r}),r.forEach((function(e){e.default&&(t.media?t.subtitleTrack=e.id:t.queuedDefaultTrack=e.id)}))},o.onSubtitleTrackLoaded=function(e){var t=this,r=e.id,i=e.details,a=this.trackId,n=this.tracks,s=n[a];if(r>=n.length||r!==a||!s||this.stopped)this._clearReloadTimer();else if(u.b.log("subtitle track "+r+" loaded"),i.live){var o=ae(s.details,i,e.stats.trequest);u.b.log("Reloading live subtitle playlist in "+o+"ms"),this.timer=setTimeout((function(){t._loadCurrentTrack()}),o)}else this._clearReloadTimer()},o.startLoad=function(){this.stopped=!1,this._loadCurrentTrack()},o.stopLoad=function(){this.stopped=!0,this._clearReloadTimer()},o._clearReloadTimer=function(){this.timer&&(clearTimeout(this.timer),this.timer=null)},o._loadCurrentTrack=function(){var e=this.trackId,t=this.tracks,r=this.hls,i=t[e];e<0||!i||i.details&&!i.details.live||(u.b.log("Loading subtitle track "+e),r.trigger(d.a.SUBTITLE_TRACK_LOADING,{url:i.url,id:e}))},o._toggleTrackModes=function(e){var t=this.media,r=this.subtitleDisplay,i=this.trackId;if(t){var a=jt(t.textTracks);if(-1===e)[].slice.call(a).forEach((function(e){e.mode="disabled"}));else{var n=a[i];n&&(n.mode="disabled")}var s=a[e];s&&(s.mode=r?"showing":"hidden")}},o._setSubtitleTrackInternal=function(e){var t=this.hls,r=this.tracks;!Object(l.a)(e)||e<-1||e>=r.length||(this.trackId=e,u.b.log("Switching to subtitle track "+e),t.trigger(d.a.SUBTITLE_TRACK_SWITCH,{id:e}),this._loadCurrentTrack())},o._onTextTracksChanged=function(){if(this.media){for(var e=-1,t=jt(this.media.textTracks),r=0;r<t.length;r++)if("hidden"===t[r].mode)e=r;else if("showing"===t[r].mode){e=r;break}this.subtitleTrack=e}},a=i,(n=[{key:"subtitleTracks",get:function(){return this.tracks}},{key:"subtitleTrack",get:function(){return this.trackId},set:function(e){this.trackId!==e&&(this._toggleTrackModes(e),this._setSubtitleTrackInternal(e))}}])&&Kt(a.prototype,n),s&&Kt(a,s),i}(h),Vt=r(7);var Yt,Wt=window.performance,qt=function(e){var t,r;function i(t,r){var i;return(i=e.call(this,t,d.a.MEDIA_ATTACHED,d.a.MEDIA_DETACHING,d.a.ERROR,d.a.KEY_LOADED,d.a.FRAG_LOADED,d.a.SUBTITLE_TRACKS_UPDATED,d.a.SUBTITLE_TRACK_SWITCH,d.a.SUBTITLE_TRACK_LOADED,d.a.SUBTITLE_FRAG_PROCESSED,d.a.LEVEL_UPDATED)||this).fragmentTracker=r,i.config=t.config,i.state=pe,i.tracks=[],i.tracksBuffered=[],i.currentTrackId=-1,i.decrypter=new Vt.a(t,t.config),i.lastAVStart=0,i._onMediaSeeking=i.onMediaSeeking.bind(function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(i)),i}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.onSubtitleFragProcessed=function(e){var t=e.frag,r=e.success;if(this.fragPrevious=t,this.state=me,r){var i=this.tracksBuffered[this.currentTrackId];if(i){for(var a,n=t.start,s=0;s<i.length;s++)if(n>=i[s].start&&n<=i[s].end){a=i[s];break}var o=t.start+t.duration;a?a.end=o:(a={start:n,end:o},i.push(a))}}},a.onMediaAttached=function(e){var t=e.media;this.media=t,t.addEventListener("seeking",this._onMediaSeeking),this.state=me},a.onMediaDetaching=function(){var e=this;this.media&&(this.media.removeEventListener("seeking",this._onMediaSeeking),this.fragmentTracker.removeAllFragments(),this.currentTrackId=-1,this.tracks.forEach((function(t){e.tracksBuffered[t.id]=[]})),this.media=null,this.state=pe)},a.onError=function(e){this.state=me},a.onSubtitleTracksUpdated=function(e){var t=this;u.b.log("subtitle tracks updated"),this.tracksBuffered=[],this.tracks=e.subtitleTracks,this.tracks.forEach((function(e){t.tracksBuffered[e.id]=[]}))},a.onSubtitleTrackSwitch=function(e){if(this.currentTrackId=e.id,this.tracks&&this.tracks.length&&-1!==this.currentTrackId){var t=this.tracks[this.currentTrackId];t&&t.details&&this.setInterval(500)}else this.clearInterval()},a.onSubtitleTrackLoaded=function(e){var t=e.id,r=e.details,i=this.currentTrackId,a=this.tracks,n=a[i];t>=a.length||t!==i||!n||(r.live&&function(e,t,r){void 0===r&&(r=0);var i=-1;ie(e,t,(function(e,t,r){t.start=e.start,i=r}));var a=t.fragments;if(i<0)a.forEach((function(e){e.start+=r}));else for(var n=i+1;n<a.length;n++)a[n].start=a[n-1].start+a[n-1].duration}(n.details,r,this.lastAVStart),n.details=r,this.setInterval(500))},a.onKeyLoaded=function(){this.state===be&&(this.state=me)},a.onFragLoaded=function(e){var t=this.fragCurrent,r=e.frag.decryptdata,i=e.frag,a=this.hls;if(this.state===Te&&t&&"subtitle"===e.frag.type&&t.sn===e.frag.sn&&e.payload.byteLength>0&&r&&r.key&&"AES-128"===r.method){var n=Wt.now();this.decrypter.decrypt(e.payload,r.key.buffer,r.iv.buffer,(function(e){var t=Wt.now();a.trigger(d.a.FRAG_DECRYPTED,{frag:i,payload:e,stats:{tstart:n,tdecrypt:t}})}))}},a.onLevelUpdated=function(e){var t=e.details.fragments;this.lastAVStart=t.length?t[0].start:0},a.doTick=function(){if(this.media)switch(this.state){case me:var e=this.config,t=this.currentTrackId,r=(this.fragmentTracker,this.media),i=this.tracks;if(!i||!i[t]||!i[t].details)break;var a,n=e.maxBufferHole,s=e.maxFragLookUpTolerance,o=Math.min(e.maxBufferLength,e.maxMaxBufferLength),l=H.bufferedInfo(this._getBuffered(),r.currentTime,n),c=l.end,h=l.len,f=i[t].details,g=f.fragments,p=g.length,v=g[p-1].start+g[p-1].duration;if(h>o)return;var m=this.fragPrevious;c<v?(m&&f.hasProgramDateTime&&(a=le(g,m.endProgramDateTime,s)),a||(a=de(m,g,c,s)),!a&&f.live&&m&&m.start<g[0].start&&(a=g[0],u.b.warn("Gap detected in live subtitle playlist, using next available fragment {start: "+a.start+"}"))):a=g[p-1],a&&a.encrypted?(u.b.log("Loading key for "+a.sn),this.state=be,this.hls.trigger(d.a.KEY_LOADING,{frag:a})):a&&this.fragmentTracker.getState(a)===U&&(this.fragCurrent=a,this.state=Te,this.hls.trigger(d.a.FRAG_LOADING,{frag:a}))}else this.state=me},a.stopLoad=function(){this.lastAVStart=0,e.prototype.stopLoad.call(this)},a._getBuffered=function(){return this.tracksBuffered[this.currentTrackId]||[]},a.onMediaSeeking=function(){this.fragPrevious=null},i}(Ce);!function(e){e.WIDEVINE="com.widevine.alpha",e.PLAYREADY="com.microsoft.playready"}(Yt||(Yt={}));var zt="undefined"!=typeof window&&window.navigator&&window.navigator.requestMediaKeySystemAccess?window.navigator.requestMediaKeySystemAccess.bind(window.navigator):null;function Xt(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var Qt=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.MEDIA_ATTACHED,d.a.MEDIA_DETACHED,d.a.MANIFEST_PARSED)||this)._widevineLicenseUrl=void 0,r._licenseXhrSetup=void 0,r._emeEnabled=void 0,r._requestMediaKeySystemAccess=void 0,r._config=void 0,r._mediaKeysList=[],r._media=null,r._hasSetMediaKeys=!1,r._requestLicenseFailureCount=0,r._onMediaEncrypted=function(e){u.b.log('Media is encrypted using "'+e.initDataType+'" init data type'),r._attemptSetMediaKeys(),r._generateRequestWithPreferredKeySession(e.initDataType,e.initData)},r._config=t.config,r._widevineLicenseUrl=r._config.widevineLicenseUrl,r._licenseXhrSetup=r._config.licenseXhrSetup,r._emeEnabled=r._config.emeEnabled,r._requestMediaKeySystemAccess=r._config.requestMediaKeySystemAccessFunc,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,l=i.prototype;return l.getLicenseServerUrl=function(e){switch(e){case Yt.WIDEVINE:if(!this._widevineLicenseUrl)break;return this._widevineLicenseUrl}throw new Error('no license server URL configured for key-system "'+e+'"')},l._attemptKeySystemAccess=function(e,t,r){var i=this,a=function(e,t,r){switch(e){case Yt.WIDEVINE:return function(e,t){var r={videoCapabilities:[]};return t.forEach((function(e){r.videoCapabilities.push({contentType:'video/mp4; codecs="'+e+'"'})})),[r]}(0,r);default:throw new Error("Unknown key-system: "+e)}}(e,0,r);u.b.log("Requesting encrypted media key-system access"),this.requestMediaKeySystemAccess(e,a).then((function(t){i._onMediaKeySystemAccessObtained(e,t)})).catch((function(t){u.b.error('Failed to obtain key-system "'+e+'" access:',t)}))},l._onMediaKeySystemAccessObtained=function(e,t){var r=this;u.b.log('Access for key-system "'+e+'" obtained');var i={mediaKeysSessionInitialized:!1,mediaKeySystemAccess:t,mediaKeySystemDomain:e};this._mediaKeysList.push(i),t.createMediaKeys().then((function(t){i.mediaKeys=t,u.b.log('Media-keys created for key-system "'+e+'"'),r._onMediaKeysCreated()})).catch((function(e){u.b.error("Failed to create media-keys:",e)}))},l._onMediaKeysCreated=function(){var e=this;this._mediaKeysList.forEach((function(t){t.mediaKeysSession||(t.mediaKeysSession=t.mediaKeys.createSession(),e._onNewMediaKeySession(t.mediaKeysSession))}))},l._onNewMediaKeySession=function(e){var t=this;u.b.log("New key-system session "+e.sessionId),e.addEventListener("message",(function(r){t._onKeySessionMessage(e,r.message)}),!1)},l._onKeySessionMessage=function(e,t){u.b.log("Got EME message event, creating license request"),this._requestLicense(t,(function(t){u.b.log("Received license data (length: "+(t?t.byteLength:t)+"), updating key-session"),e.update(t)}))},l._attemptSetMediaKeys=function(){if(!this._media)throw new Error("Attempted to set mediaKeys without first attaching a media element");if(!this._hasSetMediaKeys){var e=this._mediaKeysList[0];if(!e||!e.mediaKeys)return u.b.error("Fatal: Media is encrypted but no CDM access or no keys have been obtained yet"),void this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_KEYS,fatal:!0});u.b.log("Setting keys for encrypted media"),this._media.setMediaKeys(e.mediaKeys),this._hasSetMediaKeys=!0}},l._generateRequestWithPreferredKeySession=function(e,t){var r=this,i=this._mediaKeysList[0];if(!i)return u.b.error("Fatal: Media is encrypted but not any key-system access has been obtained yet"),void this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_ACCESS,fatal:!0});if(i.mediaKeysSessionInitialized)u.b.warn("Key-Session already initialized but requested again");else{var a=i.mediaKeysSession;if(!a)return u.b.error("Fatal: Media is encrypted but no key-session existing"),void this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_SESSION,fatal:!0});if(!t)return u.b.warn("Fatal: initData required for generating a key session is null"),void this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_INIT_DATA,fatal:!0});u.b.log('Generating key-session request for "'+e+'" init data type'),i.mediaKeysSessionInitialized=!0,a.generateRequest(e,t).then((function(){u.b.debug("Key-session generation succeeded")})).catch((function(e){u.b.error("Error generating key-session request:",e),r.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_SESSION,fatal:!1})}))}},l._createLicenseXhr=function(e,t,r){var i=new XMLHttpRequest,a=this._licenseXhrSetup;try{if(a)try{a(i,e)}catch(t){i.open("POST",e,!0),a(i,e)}i.readyState||i.open("POST",e,!0)}catch(e){throw new Error("issue setting up KeySystem license XHR "+e)}return i.responseType="arraybuffer",i.onreadystatechange=this._onLicenseRequestReadyStageChange.bind(this,i,e,t,r),i},l._onLicenseRequestReadyStageChange=function(e,t,r,i){switch(e.readyState){case 4:if(200===e.status)this._requestLicenseFailureCount=0,u.b.log("License request succeeded"),"arraybuffer"!==e.responseType&&u.b.warn("xhr response type was not set to the expected arraybuffer for license request"),i(e.response);else{if(u.b.error("License Request XHR failed ("+t+"). Status: "+e.status+" ("+e.statusText+")"),this._requestLicenseFailureCount++,this._requestLicenseFailureCount>3)return void this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_LICENSE_REQUEST_FAILED,fatal:!0});var a=3-this._requestLicenseFailureCount+1;u.b.warn("Retrying license request, "+a+" attempts left"),this._requestLicense(r,i)}}},l._generateLicenseRequestChallenge=function(e,t){switch(e.mediaKeySystemDomain){case Yt.WIDEVINE:return t}throw new Error("unsupported key-system: "+e.mediaKeySystemDomain)},l._requestLicense=function(e,t){u.b.log("Requesting content license for key-system");var r=this._mediaKeysList[0];if(!r)return u.b.error("Fatal error: Media is encrypted but no key-system access has been obtained yet"),void this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_ACCESS,fatal:!0});try{var i=this.getLicenseServerUrl(r.mediaKeySystemDomain),a=this._createLicenseXhr(i,e,t);u.b.log("Sending license request to URL: "+i);var n=this._generateLicenseRequestChallenge(r,e);a.send(n)}catch(e){u.b.error("Failure requesting DRM license: "+e),this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_LICENSE_REQUEST_FAILED,fatal:!0})}},l.onMediaAttached=function(e){if(this._emeEnabled){var t=e.media;this._media=t,t.addEventListener("encrypted",this._onMediaEncrypted)}},l.onMediaDetached=function(){this._media&&(this._media.removeEventListener("encrypted",this._onMediaEncrypted),this._media=null)},l.onManifestParsed=function(e){if(this._emeEnabled){var t=e.levels.map((function(e){return e.audioCodec})),r=e.levels.map((function(e){return e.videoCodec}));this._attemptKeySystemAccess(Yt.WIDEVINE,t,r)}},a=i,(n=[{key:"requestMediaKeySystemAccess",get:function(){if(!this._requestMediaKeySystemAccess)throw new Error("No requestMediaKeySystemAccess function configured");return this._requestMediaKeySystemAccess}}])&&Xt(a.prototype,n),s&&Xt(a,s),i}(h);function $t(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}var Jt=function(e){for(var t=1;t<arguments.length;t++){var r=null!=arguments[t]?arguments[t]:{},i=Object.keys(r);"function"==typeof Object.getOwnPropertySymbols&&(i=i.concat(Object.getOwnPropertySymbols(r).filter((function(e){return Object.getOwnPropertyDescriptor(r,e).enumerable})))),i.forEach((function(t){$t(e,t,r[t])}))}return e}({autoStartLoad:!0,startPosition:-1,defaultAudioCodec:void 0,debug:!1,capLevelOnFPSDrop:!1,capLevelToPlayerSize:!1,initialLiveManifestSize:1,maxBufferLength:30,maxBufferSize:6e7,maxBufferHole:.5,lowBufferWatchdogPeriod:.5,highBufferWatchdogPeriod:3,nudgeOffset:.1,nudgeMaxRetry:3,maxFragLookUpTolerance:.25,liveSyncDurationCount:3,liveMaxLatencyDurationCount:1/0,liveSyncDuration:void 0,liveMaxLatencyDuration:void 0,liveDurationInfinity:!1,liveBackBufferLength:1/0,maxMaxBufferLength:600,enableWorker:!0,enableSoftwareAES:!0,manifestLoadingTimeOut:1e4,manifestLoadingMaxRetry:1,manifestLoadingRetryDelay:1e3,manifestLoadingMaxRetryTimeout:64e3,startLevel:void 0,levelLoadingTimeOut:1e4,levelLoadingMaxRetry:4,levelLoadingRetryDelay:1e3,levelLoadingMaxRetryTimeout:64e3,fragLoadingTimeOut:2e4,fragLoadingMaxRetry:6,fragLoadingRetryDelay:1e3,fragLoadingMaxRetryTimeout:64e3,startFragPrefetch:!1,fpsDroppedMonitoringPeriod:5e3,fpsDroppedMonitoringThreshold:.2,appendErrorMaxRetry:3,loader:tt,fLoader:void 0,pLoader:void 0,xhrSetup:void 0,licenseXhrSetup:void 0,abrController:Ye,bufferController:qe,capLevelController:Xe,fpsController:$e,stretchShortVideoTrack:!1,maxAudioFramesDrift:1,forceKeyFrameOnDiscontinuity:!0,abrEwmaFastLive:3,abrEwmaSlowLive:9,abrEwmaFastVoD:3,abrEwmaSlowVoD:9,abrEwmaDefaultEstimate:5e5,abrBandWidthFactor:.95,abrBandWidthUpFactor:.7,abrMaxWithRealBitrate:!1,maxStarvationDelay:4,maxLoadingDelay:4,minAutoBitrate:0,emeEnabled:!1,widevineLicenseUrl:void 0,requestMediaKeySystemAccessFunc:zt},function(){0;return{cueHandler:i,enableCEA708Captions:!0,enableWebVTT:!0,captionsTextTrack1Label:"English",captionsTextTrack1LanguageCode:"en",captionsTextTrack2Label:"Spanish",captionsTextTrack2LanguageCode:"es"}}(),{subtitleStreamController:qt,subtitleTrackController:Ht,timelineController:Gt,audioStreamController:st,audioTrackController:it,emeController:Qt});function Zt(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}function er(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function tr(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}function rr(e,t,r){return t&&tr(e.prototype,t),r&&tr(e,r),e}r.d(t,"default",(function(){return ir}));var ir=function(e){var t,r;function i(t){var r;void 0===t&&(t={}),(r=e.call(this)||this).config=void 0,r._autoLevelCapping=void 0,r.abrController=void 0,r.capLevelController=void 0,r.levelController=void 0,r.streamController=void 0,r.networkControllers=void 0,r.audioTrackController=void 0,r.subtitleTrackController=void 0,r.emeController=void 0,r.coreComponents=void 0,r.media=null,r.url=null;var a=i.DefaultConfig;if((t.liveSyncDurationCount||t.liveMaxLatencyDurationCount)&&(t.liveSyncDuration||t.liveMaxLatencyDuration))throw new Error("Illegal hls.js config: don't mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration");r.config=function(e){for(var t=1;t<arguments.length;t++){var r=null!=arguments[t]?arguments[t]:{},i=Object.keys(r);"function"==typeof Object.getOwnPropertySymbols&&(i=i.concat(Object.getOwnPropertySymbols(r).filter((function(e){return Object.getOwnPropertyDescriptor(r,e).enumerable})))),i.forEach((function(t){Zt(e,t,r[t])}))}return e}({},a,t);var n=er(r).config;if(void 0!==n.liveMaxLatencyDurationCount&&n.liveMaxLatencyDurationCount<=n.liveSyncDurationCount)throw new Error('Illegal hls.js config: "liveMaxLatencyDurationCount" must be gt "liveSyncDurationCount"');if(void 0!==n.liveMaxLatencyDuration&&(void 0===n.liveSyncDuration||n.liveMaxLatencyDuration<=n.liveSyncDuration))throw new Error('Illegal hls.js config: "liveMaxLatencyDuration" must be gt "liveSyncDuration"');Object(u.a)(n.debug),r._autoLevelCapping=-1;var s=r.abrController=new n.abrController(er(r)),o=new n.bufferController(er(r)),l=r.capLevelController=new n.capLevelController(er(r)),d=new n.fpsController(er(r)),c=new x(er(r)),h=new M(er(r)),f=new F(er(r)),g=new Ge(er(r)),p=r.levelController=new Me(er(r)),v=new K(er(r)),m=[p,r.streamController=new Oe(er(r),v)],y=n.audioStreamController;y&&m.push(new y(er(r),v)),r.networkControllers=m;var b=[c,h,f,s,o,l,d,g,v];if(y=n.audioTrackController){var T=new y(er(r));r.audioTrackController=T,b.push(T)}if(y=n.subtitleTrackController){var E=new y(er(r));r.subtitleTrackController=E,m.push(E)}if(y=n.emeController){var S=new y(er(r));r.emeController=S,b.push(S)}return(y=n.subtitleStreamController)&&m.push(new y(er(r),v)),(y=n.timelineController)&&b.push(new y(er(r))),r.coreComponents=b,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r,i.isSupported=function(){return function(){var e=q();if(!e)return!1;var t=self.SourceBuffer||self.WebKitSourceBuffer,r=e&&"function"==typeof e.isTypeSupported&&e.isTypeSupported('video/mp4; codecs="avc1.42E01E,mp4a.40.2"'),i=!t||t.prototype&&"function"==typeof t.prototype.appendBuffer&&"function"==typeof t.prototype.remove;return!!r&&!!i}()},rr(i,null,[{key:"version",get:function(){}},{key:"Events",get:function(){return d.a}},{key:"ErrorTypes",get:function(){return o.b}},{key:"ErrorDetails",get:function(){return o.a}},{key:"DefaultConfig",get:function(){return i.defaultConfig?i.defaultConfig:Jt},set:function(e){i.defaultConfig=e}}]);var a=i.prototype;return a.destroy=function(){u.b.log("destroy"),this.trigger(d.a.DESTROYING),this.detachMedia(),this.coreComponents.concat(this.networkControllers).forEach((function(e){e.destroy()})),this.url=null,this.removeAllListeners(),this._autoLevelCapping=-1},a.attachMedia=function(e){u.b.log("attachMedia"),this.media=e,this.trigger(d.a.MEDIA_ATTACHING,{media:e})},a.detachMedia=function(){u.b.log("detachMedia"),this.trigger(d.a.MEDIA_DETACHING),this.media=null},a.loadSource=function(e){e=s.buildAbsoluteURL(window.location.href,e,{alwaysNormalize:!0}),u.b.log("loadSource:"+e),this.url=e,this.trigger(d.a.MANIFEST_LOADING,{url:e})},a.startLoad=function(e){void 0===e&&(e=-1),u.b.log("startLoad("+e+")"),this.networkControllers.forEach((function(t){t.startLoad(e)}))},a.stopLoad=function(){u.b.log("stopLoad"),this.networkControllers.forEach((function(e){e.stopLoad()}))},a.swapAudioCodec=function(){u.b.log("swapAudioCodec"),this.streamController.swapAudioCodec()},a.recoverMediaError=function(){u.b.log("recoverMediaError");var e=this.media;this.detachMedia(),e&&this.attachMedia(e)},rr(i,[{key:"levels",get:function(){return this.levelController.levels}},{key:"currentLevel",get:function(){return this.streamController.currentLevel},set:function(e){u.b.log("set currentLevel:"+e),this.loadLevel=e,this.streamController.immediateLevelSwitch()}},{key:"nextLevel",get:function(){return this.streamController.nextLevel},set:function(e){u.b.log("set nextLevel:"+e),this.levelController.manualLevel=e,this.streamController.nextLevelSwitch()}},{key:"loadLevel",get:function(){return this.levelController.level},set:function(e){u.b.log("set loadLevel:"+e),this.levelController.manualLevel=e}},{key:"nextLoadLevel",get:function(){return this.levelController.nextLoadLevel},set:function(e){this.levelController.nextLoadLevel=e}},{key:"firstLevel",get:function(){return Math.max(this.levelController.firstLevel,this.minAutoLevel)},set:function(e){u.b.log("set firstLevel:"+e),this.levelController.firstLevel=e}},{key:"startLevel",get:function(){return this.levelController.startLevel},set:function(e){u.b.log("set startLevel:"+e),-1!==e&&(e=Math.max(e,this.minAutoLevel)),this.levelController.startLevel=e}},{key:"capLevelToPlayerSize",set:function(e){var t=!!e;t!==this.config.capLevelToPlayerSize&&(t?this.capLevelController.startCapping():(this.capLevelController.stopCapping(),this.autoLevelCapping=-1,this.streamController.nextLevelSwitch()),this.config.capLevelToPlayerSize=t)}},{key:"autoLevelCapping",get:function(){return this._autoLevelCapping},set:function(e){u.b.log("set autoLevelCapping:"+e),this._autoLevelCapping=e}},{key:"bandwidthEstimate",get:function(){var e=this.abrController._bwEstimator;return e?e.getEstimate():NaN}},{key:"autoLevelEnabled",get:function(){return-1===this.levelController.manualLevel}},{key:"manualLevel",get:function(){return this.levelController.manualLevel}},{key:"minAutoLevel",get:function(){for(var e=this.levels,t=this.config.minAutoBitrate,r=e?e.length:0,i=0;i<r;i++){if((e[i].realBitrate?Math.max(e[i].realBitrate,e[i].bitrate):e[i].bitrate)>t)return i}return 0}},{key:"maxAutoLevel",get:function(){var e=this.levels,t=this.autoLevelCapping;return-1===t&&e&&e.length?e.length-1:t}},{key:"nextAutoLevel",get:function(){return Math.min(Math.max(this.abrController.nextAutoLevel,this.minAutoLevel),this.maxAutoLevel)},set:function(e){this.abrController.nextAutoLevel=Math.max(this.minAutoLevel,e)}},{key:"audioTracks",get:function(){var e=this.audioTrackController;return e?e.audioTracks:[]}},{key:"audioTrack",get:function(){var e=this.audioTrackController;return e?e.audioTrack:-1},set:function(e){var t=this.audioTrackController;t&&(t.audioTrack=e)}},{key:"liveSyncPosition",get:function(){return this.streamController.liveSyncPosition}},{key:"subtitleTracks",get:function(){var e=this.subtitleTrackController;return e?e.subtitleTracks:[]}},{key:"subtitleTrack",get:function(){var e=this.subtitleTrackController;return e?e.subtitleTrack:-1},set:function(e){var t=this.subtitleTrackController;t&&(t.subtitleTrack=e)}},{key:"subtitleDisplay",get:function(){var e=this.subtitleTrackController;return!!e&&e.subtitleDisplay},set:function(e){var t=this.subtitleTrackController;t&&(t.subtitleDisplay=e)}}]),i}(X);ir.defaultConfig=void 0}]).default})); +"undefined"!=typeof window&&function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.Hls=t():e.Hls=t()}(this,(function(){return function(e){var t={};function r(i){if(t[i])return t[i].exports;var a=t[i]={i:i,l:!1,exports:{}};return e[i].call(a.exports,a,a.exports,r),a.l=!0,a.exports}return r.m=e,r.c=t,r.d=function(e,t,i){r.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:i})},r.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.t=function(e,t){if(1&t&&(e=r(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var i=Object.create(null);if(r.r(i),Object.defineProperty(i,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var a in e)r.d(i,a,function(t){return e[t]}.bind(null,a));return i},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},r.p="/dist/",r(r.s=15)}([function(e,t,r){"use strict";r.d(t,"a",(function(){return u})),r.d(t,"b",(function(){return c}));var i=r(6);function a(){}var n={trace:a,debug:a,log:a,warn:a,info:a,error:a},s=n;function o(e,t){return t="["+e+"] > "+t}var l=Object(i.a)();function d(e){var t=l.console[e];return t?function(){for(var r=arguments.length,i=new Array(r),a=0;a<r;a++)i[a]=arguments[a];i[0]&&(i[0]=o(e,i[0])),t.apply(l.console,i)}:a}var u=function(e){if(l.console&&!0===e||"object"==typeof e){!function(e){for(var t=arguments.length,r=new Array(t>1?t-1:0),i=1;i<t;i++)r[i-1]=arguments[i];r.forEach((function(t){s[t]=e[t]?e[t].bind(e):d(t)}))}(e,"debug","log","info","warn","error");try{s.log()}catch(e){s=n}}else s=n},c=s},function(e,t,r){"use strict";var i,a=((i={MEDIA_ATTACHING:"hlsMediaAttaching",MEDIA_ATTACHED:"hlsMediaAttached",MEDIA_DETACHING:"hlsMediaDetaching",MEDIA_DETACHED:"hlsMediaDetached",BUFFER_RESET:"hlsBufferReset",BUFFER_CODECS:"hlsBufferCodecs",BUFFER_CREATED:"hlsBufferCreated",BUFFER_APPENDING:"hlsBufferAppending",BUFFER_APPENDED:"hlsBufferAppended",BUFFER_EOS:"hlsBufferEos",BUFFER_FLUSHING:"hlsBufferFlushing",BUFFER_FLUSHED:"hlsBufferFlushed",MANIFEST_LOADING:"hlsManifestLoading",MANIFEST_LOADED:"hlsManifestLoaded",MANIFEST_PARSED:"hlsManifestParsed",LEVEL_SWITCHING:"hlsLevelSwitching",LEVEL_SWITCHED:"hlsLevelSwitched",LEVEL_LOADING:"hlsLevelLoading",LEVEL_LOADED:"hlsLevelLoaded",LEVEL_UPDATED:"hlsLevelUpdated",LEVEL_PTS_UPDATED:"hlsLevelPtsUpdated",LIVE_BACK_BUFFER_REACHED:"hlsLiveBackBufferReached",AUDIO_TRACKS_UPDATED:"hlsAudioTracksUpdated",AUDIO_TRACK_SWITCHING:"hlsAudioTrackSwitching",AUDIO_TRACK_SWITCHED:"hlsAudioTrackSwitched",AUDIO_TRACK_LOADING:"hlsAudioTrackLoading",AUDIO_TRACK_LOADED:"hlsAudioTrackLoaded",SUBTITLE_TRACKS_UPDATED:"hlsSubtitleTracksUpdated",SUBTITLE_TRACK_SWITCH:"hlsSubtitleTrackSwitch",SUBTITLE_TRACK_LOADING:"hlsSubtitleTrackLoading",SUBTITLE_TRACK_LOADED:"hlsSubtitleTrackLoaded",SUBTITLE_FRAG_PROCESSED:"hlsSubtitleFragProcessed",INIT_PTS_FOUND:"hlsInitPtsFound",FRAG_LOADING:"hlsFragLoading",FRAG_LOAD_PROGRESS:"hlsFragLoadProgress",FRAG_LOAD_EMERGENCY_ABORTED:"hlsFragLoadEmergencyAborted",FRAG_LOADED:"hlsFragLoaded",FRAG_DECRYPTED:"hlsFragDecrypted",FRAG_PARSING_INIT_SEGMENT:"hlsFragParsingInitSegment",FRAG_PARSING_USERDATA:"hlsFragParsingUserdata",FRAG_PARSING_METADATA:"hlsFragParsingMetadata",FRAG_PARSING_DATA:"hlsFragParsingData",FRAG_PARSED:"hlsFragParsed",FRAG_BUFFERED:"hlsFragBuffered",FRAG_CHANGED:"hlsFragChanged",FPS_DROP:"hlsFpsDrop",FPS_DROP_LEVEL_CAPPING:"hlsFpsDropLevelCapping",ERROR:"hlsError",DESTROYING:"hlsDestroying",KEY_LOADING:"hlsKeyLoading",KEY_LOADED:"hlsKeyLoaded",STREAM_STATE_TRANSITION:"hlsStreamStateTransition"}).LIVE_BACK_BUFFER_REACHED="hlsLiveBackBufferReached",i.CAN_PLAY_AFTER_SEEK="hlsCanPlayAfterSeek",i);t.a=a},function(e,t,r){"use strict";var i,a;r.d(t,"b",(function(){return i})),r.d(t,"a",(function(){return a})),function(e){e.NETWORK_ERROR="networkError",e.MEDIA_ERROR="mediaError",e.KEY_SYSTEM_ERROR="keySystemError",e.MUX_ERROR="muxError",e.OTHER_ERROR="otherError"}(i||(i={})),function(e){e.KEY_SYSTEM_NO_KEYS="keySystemNoKeys",e.KEY_SYSTEM_NO_ACCESS="keySystemNoAccess",e.KEY_SYSTEM_NO_SESSION="keySystemNoSession",e.KEY_SYSTEM_LICENSE_REQUEST_FAILED="keySystemLicenseRequestFailed",e.KEY_SYSTEM_NO_INIT_DATA="keySystemNoInitData",e.MANIFEST_LOAD_ERROR="manifestLoadError",e.MANIFEST_LOAD_TIMEOUT="manifestLoadTimeOut",e.MANIFEST_PARSING_ERROR="manifestParsingError",e.MANIFEST_INCOMPATIBLE_CODECS_ERROR="manifestIncompatibleCodecsError",e.LEVEL_LOAD_ERROR="levelLoadError",e.LEVEL_LOAD_TIMEOUT="levelLoadTimeOut",e.LEVEL_SWITCH_ERROR="levelSwitchError",e.AUDIO_TRACK_LOAD_ERROR="audioTrackLoadError",e.AUDIO_TRACK_LOAD_TIMEOUT="audioTrackLoadTimeOut",e.FRAG_LOAD_ERROR="fragLoadError",e.FRAG_LOAD_TIMEOUT="fragLoadTimeOut",e.FRAG_DECRYPT_ERROR="fragDecryptError",e.FRAG_PARSING_ERROR="fragParsingError",e.REMUX_ALLOC_ERROR="remuxAllocError",e.KEY_LOAD_ERROR="keyLoadError",e.KEY_LOAD_TIMEOUT="keyLoadTimeOut",e.BUFFER_ADD_CODEC_ERROR="bufferAddCodecError",e.BUFFER_APPEND_ERROR="bufferAppendError",e.BUFFER_APPENDING_ERROR="bufferAppendingError",e.BUFFER_STALLED_ERROR="bufferStalledError",e.BUFFER_FULL_ERROR="bufferFullError",e.BUFFER_SEEK_OVER_HOLE="bufferSeekOverHole",e.BUFFER_NUDGE_ON_STALL="bufferNudgeOnStall",e.INTERNAL_EXCEPTION="internalException"}(a||(a={}))},function(e,t,r){"use strict";r.d(t,"a",(function(){return i}));var i=Number.isFinite||function(e){return"number"==typeof e&&isFinite(e)}},function(e,t,r){"use strict";r.d(t,"b",(function(){return a})),r.d(t,"a",(function(){return n}));function i(e,t,r,i){void 0===r&&(r=1),void 0===i&&(i=!1);var a=e*t*r;return i?Math.round(a):a}function a(e,t){return void 0===t&&(t=!1),i(e,1e3,1/9e4,t)}function n(e,t){return void 0===t&&(t=1),i(e,9e4,1/t)}},function(e,t,r){"use strict";r.d(t,"b",(function(){return o}));var i,a=r(6),n=function(){function e(){}return e.isHeader=function(e,t){return t+10<=e.length&&73===e[t]&&68===e[t+1]&&51===e[t+2]&&e[t+3]<255&&e[t+4]<255&&e[t+6]<128&&e[t+7]<128&&e[t+8]<128&&e[t+9]<128},e.isFooter=function(e,t){return t+10<=e.length&&51===e[t]&&68===e[t+1]&&73===e[t+2]&&e[t+3]<255&&e[t+4]<255&&e[t+6]<128&&e[t+7]<128&&e[t+8]<128&&e[t+9]<128},e.getID3Data=function(t,r){for(var i=r,a=0;e.isHeader(t,r);){a+=10,a+=e._readSize(t,r+6),e.isFooter(t,r+10)&&(a+=10),r+=a}if(a>0)return t.subarray(i,i+a)},e._readSize=function(e,t){var r=0;return r=(127&e[t])<<21,r|=(127&e[t+1])<<14,r|=(127&e[t+2])<<7,r|=127&e[t+3]},e.getTimeStamp=function(t){for(var r=e.getID3Frames(t),i=0;i<r.length;i++){var a=r[i];if(e.isTimeStampFrame(a))return e._readTimeStamp(a)}},e.isTimeStampFrame=function(e){return e&&"PRIV"===e.key&&"com.apple.streaming.transportStreamTimestamp"===e.info},e._getFrameData=function(t){var r=String.fromCharCode(t[0],t[1],t[2],t[3]),i=e._readSize(t,4);return{type:r,size:i,data:t.subarray(10,10+i)}},e.getID3Frames=function(t){for(var r=0,i=[];e.isHeader(t,r);){for(var a=e._readSize(t,r+6),n=(r+=10)+a;r+8<n;){var s=e._getFrameData(t.subarray(r)),o=e._decodeFrame(s);o&&i.push(o),r+=s.size+10}e.isFooter(t,r)&&(r+=10)}return i},e._decodeFrame=function(t){return"PRIV"===t.type?e._decodePrivFrame(t):"T"===t.type[0]?e._decodeTextFrame(t):"W"===t.type[0]?e._decodeURLFrame(t):void 0},e._readTimeStamp=function(e){if(8===e.data.byteLength){var t=new Uint8Array(e.data),r=1&t[3],i=(t[4]<<23)+(t[5]<<15)+(t[6]<<7)+t[7];return i/=45,r&&(i+=47721858.84),Math.round(i)}},e._decodePrivFrame=function(t){if(!(t.size<2)){var r=e._utf8ArrayToStr(t.data,!0),i=new Uint8Array(t.data.subarray(r.length+1));return{key:t.type,info:r,data:i.buffer}}},e._decodeTextFrame=function(t){if(!(t.size<2)){if("TXXX"===t.type){var r=1,i=e._utf8ArrayToStr(t.data.subarray(r),!0);r+=i.length+1;var a=e._utf8ArrayToStr(t.data.subarray(r));return{key:t.type,info:i,data:a}}var n=e._utf8ArrayToStr(t.data.subarray(1));return{key:t.type,data:n}}},e._decodeURLFrame=function(t){if("WXXX"===t.type){if(t.size<2)return;var r=1,i=e._utf8ArrayToStr(t.data.subarray(r));r+=i.length+1;var a=e._utf8ArrayToStr(t.data.subarray(r));return{key:t.type,info:i,data:a}}var n=e._utf8ArrayToStr(t.data);return{key:t.type,data:n}},e._utf8ArrayToStr=function(e,t){void 0===t&&(t=!1);var r=s();if(r){var i=r.decode(e);if(t){var a=i.indexOf("\0");return-1!==a?i.substring(0,a):i}return i.replace(/\0/g,"")}for(var n,o,l,d=e.length,u="",c=0;c<d;){if(0===(n=e[c++])&&t)return u;if(0!==n&&3!==n)switch(n>>4){case 0:case 1:case 2:case 3:case 4:case 5:case 6:case 7:u+=String.fromCharCode(n);break;case 12:case 13:o=e[c++],u+=String.fromCharCode((31&n)<<6|63&o);break;case 14:o=e[c++],l=e[c++],u+=String.fromCharCode((15&n)<<12|(63&o)<<6|(63&l)<<0)}}return u},e}();function s(){var e=Object(a.a)();return i||void 0===e.TextDecoder||(i=new e.TextDecoder("utf-8")),i}var o=n._utf8ArrayToStr;t.a=n},function(e,t,r){"use strict";function i(){return"undefined"==typeof window?self:window}r.d(t,"a",(function(){return i}))},function(e,t,r){var i,a,n,s,o;i=/^((?:[a-zA-Z0-9+\-.]+:)?)(\/\/[^\/?#]*)?((?:[^\/\?#]*\/)*.*?)??(;.*?)?(\?.*?)?(#.*?)?$/,a=/^([^\/?#]*)(.*)$/,n=/(?:\/|^)\.(?=\/)/g,s=/(?:\/|^)\.\.\/(?!\.\.\/).*?(?=\/)/g,o={buildAbsoluteURL:function(e,t,r){if(r=r||{},e=e.trim(),!(t=t.trim())){if(!r.alwaysNormalize)return e;var i=o.parseURL(e);if(!i)throw new Error("Error trying to parse base URL.");return i.path=o.normalizePath(i.path),o.buildURLFromParts(i)}var n=o.parseURL(t);if(!n)throw new Error("Error trying to parse relative URL.");if(n.scheme)return r.alwaysNormalize?(n.path=o.normalizePath(n.path),o.buildURLFromParts(n)):t;var s=o.parseURL(e);if(!s)throw new Error("Error trying to parse base URL.");if(!s.netLoc&&s.path&&"/"!==s.path[0]){var l=a.exec(s.path);s.netLoc=l[1],s.path=l[2]}s.netLoc&&!s.path&&(s.path="/");var d={scheme:s.scheme,netLoc:n.netLoc,path:null,params:n.params,query:n.query,fragment:n.fragment};if(!n.netLoc&&(d.netLoc=s.netLoc,"/"!==n.path[0]))if(n.path){var u=s.path,c=u.substring(0,u.lastIndexOf("/")+1)+n.path;d.path=o.normalizePath(c)}else d.path=s.path,n.params||(d.params=s.params,n.query||(d.query=s.query));return null===d.path&&(d.path=r.alwaysNormalize?o.normalizePath(n.path):n.path),o.buildURLFromParts(d)},parseURL:function(e){var t=i.exec(e);return t?{scheme:t[1]||"",netLoc:t[2]||"",path:t[3]||"",params:t[4]||"",query:t[5]||"",fragment:t[6]||""}:null},normalizePath:function(e){for(e=e.split("").reverse().join("").replace(n,"");e.length!==(e=e.replace(s,"")).length;);return e.split("").reverse().join("")},buildURLFromParts:function(e){return e.scheme+e.netLoc+e.path+e.params+e.query+e.fragment}},e.exports=o},function(e,t,r){"use strict";var i=function(){function e(e,t){this.subtle=e,this.aesIV=t}return e.prototype.decrypt=function(e,t){return this.subtle.decrypt({name:"AES-CBC",iv:this.aesIV},t,e)},e}(),a=function(){function e(e,t){this.subtle=e,this.key=t}return e.prototype.expandKey=function(){return this.subtle.importKey("raw",this.key,{name:"AES-CBC"},!1,["encrypt","decrypt"])},e}();var n=function(){function e(){this.rcon=[0,1,2,4,8,16,32,64,128,27,54],this.subMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.invSubMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.sBox=new Uint32Array(256),this.invSBox=new Uint32Array(256),this.key=new Uint32Array(0),this.initTable()}var t=e.prototype;return t.uint8ArrayToUint32Array_=function(e){for(var t=new DataView(e),r=new Uint32Array(4),i=0;i<4;i++)r[i]=t.getUint32(4*i);return r},t.initTable=function(){var e=this.sBox,t=this.invSBox,r=this.subMix,i=r[0],a=r[1],n=r[2],s=r[3],o=this.invSubMix,l=o[0],d=o[1],u=o[2],c=o[3],h=new Uint32Array(256),f=0,g=0,p=0;for(p=0;p<256;p++)h[p]=p<128?p<<1:p<<1^283;for(p=0;p<256;p++){var v=g^g<<1^g<<2^g<<3^g<<4;v=v>>>8^255&v^99,e[f]=v,t[v]=f;var m=h[f],y=h[m],b=h[y],T=257*h[v]^16843008*v;i[f]=T<<24|T>>>8,a[f]=T<<16|T>>>16,n[f]=T<<8|T>>>24,s[f]=T,T=16843009*b^65537*y^257*m^16843008*f,l[v]=T<<24|T>>>8,d[v]=T<<16|T>>>16,u[v]=T<<8|T>>>24,c[v]=T,f?(f=m^h[h[h[b^m]]],g^=h[h[g]]):f=g=1}},t.expandKey=function(e){for(var t=this.uint8ArrayToUint32Array_(e),r=!0,i=0;i<t.length&&r;)r=t[i]===this.key[i],i++;if(!r){this.key=t;var a=this.keySize=t.length;if(4!==a&&6!==a&&8!==a)throw new Error("Invalid aes key size="+a);var n,s,o,l,d=this.ksRows=4*(a+6+1),u=this.keySchedule=new Uint32Array(d),c=this.invKeySchedule=new Uint32Array(d),h=this.sBox,f=this.rcon,g=this.invSubMix,p=g[0],v=g[1],m=g[2],y=g[3];for(n=0;n<d;n++)n<a?o=u[n]=t[n]:(l=o,n%a==0?(l=h[(l=l<<8|l>>>24)>>>24]<<24|h[l>>>16&255]<<16|h[l>>>8&255]<<8|h[255&l],l^=f[n/a|0]<<24):a>6&&n%a==4&&(l=h[l>>>24]<<24|h[l>>>16&255]<<16|h[l>>>8&255]<<8|h[255&l]),u[n]=o=(u[n-a]^l)>>>0);for(s=0;s<d;s++)n=d-s,l=3&s?u[n]:u[n-4],c[s]=s<4||n<=4?l:p[h[l>>>24]]^v[h[l>>>16&255]]^m[h[l>>>8&255]]^y[h[255&l]],c[s]=c[s]>>>0}},t.networkToHostOrderSwap=function(e){return e<<24|(65280&e)<<8|(16711680&e)>>8|e>>>24},t.decrypt=function(e,t,r,i){for(var a,n,s,o,l,d,u,c,h,f,g,p,v,m,y,b,T,E=this.keySize+6,S=this.invKeySchedule,_=this.invSBox,A=this.invSubMix,R=A[0],k=A[1],w=A[2],L=A[3],D=this.uint8ArrayToUint32Array_(r),O=D[0],C=D[1],I=D[2],P=D[3],x=new Int32Array(e),M=new Int32Array(x.length),F=this.networkToHostOrderSwap;t<x.length;){for(h=F(x[t]),f=F(x[t+1]),g=F(x[t+2]),p=F(x[t+3]),l=h^S[0],d=p^S[1],u=g^S[2],c=f^S[3],v=4,m=1;m<E;m++)a=R[l>>>24]^k[d>>16&255]^w[u>>8&255]^L[255&c]^S[v],n=R[d>>>24]^k[u>>16&255]^w[c>>8&255]^L[255&l]^S[v+1],s=R[u>>>24]^k[c>>16&255]^w[l>>8&255]^L[255&d]^S[v+2],o=R[c>>>24]^k[l>>16&255]^w[d>>8&255]^L[255&u]^S[v+3],l=a,d=n,u=s,c=o,v+=4;a=_[l>>>24]<<24^_[d>>16&255]<<16^_[u>>8&255]<<8^_[255&c]^S[v],n=_[d>>>24]<<24^_[u>>16&255]<<16^_[c>>8&255]<<8^_[255&l]^S[v+1],s=_[u>>>24]<<24^_[c>>16&255]<<16^_[l>>8&255]<<8^_[255&d]^S[v+2],o=_[c>>>24]<<24^_[l>>16&255]<<16^_[d>>8&255]<<8^_[255&u]^S[v+3],v+=3,M[t]=F(a^O),M[t+1]=F(o^C),M[t+2]=F(s^I),M[t+3]=F(n^P),O=h,C=f,I=g,P=p,t+=4}return i?(y=M.buffer,b=y.byteLength,(T=b&&new DataView(y).getUint8(b-1))?y.slice(0,b-T):y):M.buffer},t.destroy=function(){this.key=void 0,this.keySize=void 0,this.ksRows=void 0,this.sBox=void 0,this.invSBox=void 0,this.subMix=void 0,this.invSubMix=void 0,this.keySchedule=void 0,this.invKeySchedule=void 0,this.rcon=void 0},e}(),s=r(2),o=r(0),l=r(1),d=r(6),u=Object(d.a)(),c=function(){function e(e,t,r){var i=(void 0===r?{}:r).removePKCS7Padding,a=void 0===i||i;if(this.logEnabled=!0,this.observer=e,this.config=t,this.removePKCS7Padding=a,a)try{var n=u.crypto;n&&(this.subtle=n.subtle||n.webkitSubtle)}catch(e){}this.disableWebCrypto=!this.subtle}var t=e.prototype;return t.isSync=function(){return this.disableWebCrypto&&this.config.enableSoftwareAES},t.decrypt=function(e,t,r,s){var l=this;if(this.disableWebCrypto&&this.config.enableSoftwareAES){this.logEnabled&&(o.b.log("JS AES decrypt"),this.logEnabled=!1);var d=this.decryptor;d||(this.decryptor=d=new n),d.expandKey(t),s(d.decrypt(e,0,r,this.removePKCS7Padding))}else{this.logEnabled&&(o.b.log("WebCrypto AES decrypt"),this.logEnabled=!1);var u=this.subtle;this.key!==t&&(this.key=t,this.fastAesKey=new a(u,t)),this.fastAesKey.expandKey().then((function(a){new i(u,r).decrypt(e,a).catch((function(i){l.onWebCryptoError(i,e,t,r,s)})).then((function(e){s(e)}))})).catch((function(i){l.onWebCryptoError(i,e,t,r,s)}))}},t.onWebCryptoError=function(e,t,r,i,a){this.config.enableSoftwareAES?(o.b.log("WebCrypto Error, disable WebCrypto API"),this.disableWebCrypto=!0,this.logEnabled=!0,this.decrypt(t,r,i,a)):(o.b.error("decrypting error : "+e.message),this.observer.trigger(l.a.ERROR,{type:s.b.MEDIA_ERROR,details:s.a.FRAG_DECRYPT_ERROR,fatal:!0,reason:e.message}))},t.destroy=function(){var e=this.decryptor;e&&(e.destroy(),this.decryptor=void 0)},e}();t.a=c},function(e,t,r){"use strict";var i=function(){function e(){}return e.getSilentFrame=function(e,t){switch(e){case"mp4a.40.2":if(1===t)return new Uint8Array([0,200,0,128,35,128]);if(2===t)return new Uint8Array([33,0,73,144,2,25,0,35,128]);if(3===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,142]);if(4===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,128,44,128,8,2,56]);if(5===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,56]);if(6===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,0,178,0,32,8,224]);break;default:if(1===t)return new Uint8Array([1,64,34,128,163,78,230,128,186,8,0,0,0,28,6,241,193,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(2===t)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(3===t)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94])}return null},e}(),a=Math.pow(2,32)-1,n=function(){function e(){}return e.init=function(){var t;for(t in e.types={avc1:[],avcC:[],btrt:[],dinf:[],dref:[],esds:[],ftyp:[],hdlr:[],mdat:[],mdhd:[],mdia:[],mfhd:[],minf:[],moof:[],moov:[],mp4a:[],".mp3":[],mvex:[],mvhd:[],pasp:[],sdtp:[],stbl:[],stco:[],stsc:[],stsd:[],stsz:[],stts:[],tfdt:[],tfhd:[],traf:[],trak:[],trun:[],trex:[],tkhd:[],vmhd:[],smhd:[]},e.types)e.types.hasOwnProperty(t)&&(e.types[t]=[t.charCodeAt(0),t.charCodeAt(1),t.charCodeAt(2),t.charCodeAt(3)]);var r=new Uint8Array([0,0,0,0,0,0,0,0,118,105,100,101,0,0,0,0,0,0,0,0,0,0,0,0,86,105,100,101,111,72,97,110,100,108,101,114,0]),i=new Uint8Array([0,0,0,0,0,0,0,0,115,111,117,110,0,0,0,0,0,0,0,0,0,0,0,0,83,111,117,110,100,72,97,110,100,108,101,114,0]);e.HDLR_TYPES={video:r,audio:i};var a=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),n=new Uint8Array([0,0,0,0,0,0,0,0]);e.STTS=e.STSC=e.STCO=n,e.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),e.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0]),e.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),e.STSD=new Uint8Array([0,0,0,0,0,0,0,1]);var s=new Uint8Array([105,115,111,109]),o=new Uint8Array([97,118,99,49]),l=new Uint8Array([0,0,0,1]);e.FTYP=e.box(e.types.ftyp,s,l,s,o),e.DINF=e.box(e.types.dinf,e.box(e.types.dref,a))},e.box=function(e){for(var t,r=Array.prototype.slice.call(arguments,1),i=8,a=r.length,n=a;a--;)i+=r[a].byteLength;for((t=new Uint8Array(i))[0]=i>>24&255,t[1]=i>>16&255,t[2]=i>>8&255,t[3]=255&i,t.set(e,4),a=0,i=8;a<n;a++)t.set(r[a],i),i+=r[a].byteLength;return t},e.hdlr=function(t){return e.box(e.types.hdlr,e.HDLR_TYPES[t])},e.mdat=function(t){return e.box(e.types.mdat,t)},e.mdhd=function(t,r){r*=t;var i=Math.floor(r/(a+1)),n=Math.floor(r%(a+1));return e.box(e.types.mdhd,new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,t>>24&255,t>>16&255,t>>8&255,255&t,i>>24,i>>16&255,i>>8&255,255&i,n>>24,n>>16&255,n>>8&255,255&n,85,196,0,0]))},e.mdia=function(t){return e.box(e.types.mdia,e.mdhd(t.timescale,t.duration),e.hdlr(t.type),e.minf(t))},e.mfhd=function(t){return e.box(e.types.mfhd,new Uint8Array([0,0,0,0,t>>24,t>>16&255,t>>8&255,255&t]))},e.minf=function(t){return"audio"===t.type?e.box(e.types.minf,e.box(e.types.smhd,e.SMHD),e.DINF,e.stbl(t)):e.box(e.types.minf,e.box(e.types.vmhd,e.VMHD),e.DINF,e.stbl(t))},e.moof=function(t,r,i){return e.box(e.types.moof,e.mfhd(t),e.traf(i,r))},e.moov=function(t){for(var r=t.length,i=[];r--;)i[r]=e.trak(t[r]);return e.box.apply(null,[e.types.moov,e.mvhd(t[0].timescale,t[0].duration)].concat(i).concat(e.mvex(t)))},e.mvex=function(t){for(var r=t.length,i=[];r--;)i[r]=e.trex(t[r]);return e.box.apply(null,[e.types.mvex].concat(i))},e.mvhd=function(t,r){r*=t;var i=Math.floor(r/(a+1)),n=Math.floor(r%(a+1)),s=new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,t>>24&255,t>>16&255,t>>8&255,255&t,i>>24,i>>16&255,i>>8&255,255&i,n>>24,n>>16&255,n>>8&255,255&n,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]);return e.box(e.types.mvhd,s)},e.sdtp=function(t){var r,i,a=t.samples||[],n=new Uint8Array(4+a.length);for(i=0;i<a.length;i++)r=a[i].flags,n[i+4]=r.dependsOn<<4|r.isDependedOn<<2|r.hasRedundancy;return e.box(e.types.sdtp,n)},e.stbl=function(t){return e.box(e.types.stbl,e.stsd(t),e.box(e.types.stts,e.STTS),e.box(e.types.stsc,e.STSC),e.box(e.types.stsz,e.STSZ),e.box(e.types.stco,e.STCO))},e.avc1=function(t){var r,i,a,n=[],s=[];for(r=0;r<t.sps.length;r++)a=(i=t.sps[r]).byteLength,n.push(a>>>8&255),n.push(255&a),n=n.concat(Array.prototype.slice.call(i));for(r=0;r<t.pps.length;r++)a=(i=t.pps[r]).byteLength,s.push(a>>>8&255),s.push(255&a),s=s.concat(Array.prototype.slice.call(i));var o=e.box(e.types.avcC,new Uint8Array([1,n[3],n[4],n[5],255,224|t.sps.length].concat(n).concat([t.pps.length]).concat(s))),l=t.width,d=t.height,u=t.pixelRatio[0],c=t.pixelRatio[1];return e.box(e.types.avc1,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,l>>8&255,255&l,d>>8&255,255&d,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,100,97,105,108,121,109,111,116,105,111,110,47,104,108,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),o,e.box(e.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])),e.box(e.types.pasp,new Uint8Array([u>>24,u>>16&255,u>>8&255,255&u,c>>24,c>>16&255,c>>8&255,255&c])))},e.esds=function(e){var t=e.config.length;return new Uint8Array([0,0,0,0,3,23+t,0,1,0,4,15+t,64,21,0,0,0,0,0,0,0,0,0,0,0,5].concat([t]).concat(e.config).concat([6,1,2]))},e.mp4a=function(t){var r=t.samplerate;return e.box(e.types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]),e.box(e.types.esds,e.esds(t)))},e.mp3=function(t){var r=t.samplerate;return e.box(e.types[".mp3"],new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,t.channelCount,0,16,0,0,0,0,r>>8&255,255&r,0,0]))},e.stsd=function(t){return"audio"===t.type?t.isAAC||"mp3"!==t.codec?e.box(e.types.stsd,e.STSD,e.mp4a(t)):e.box(e.types.stsd,e.STSD,e.mp3(t)):e.box(e.types.stsd,e.STSD,e.avc1(t))},e.tkhd=function(t){var r=t.id,i=t.duration*t.timescale,n=t.width,s=t.height,o=Math.floor(i/(a+1)),l=Math.floor(i%(a+1));return e.box(e.types.tkhd,new Uint8Array([1,0,0,7,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,r>>24&255,r>>16&255,r>>8&255,255&r,0,0,0,0,o>>24,o>>16&255,o>>8&255,255&o,l>>24,l>>16&255,l>>8&255,255&l,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,n>>8&255,255&n,0,0,s>>8&255,255&s,0,0]))},e.traf=function(t,r){var i=e.sdtp(t),n=t.id,s=Math.floor(r/(a+1)),o=Math.floor(r%(a+1));return e.box(e.types.traf,e.box(e.types.tfhd,new Uint8Array([0,0,0,0,n>>24,n>>16&255,n>>8&255,255&n])),e.box(e.types.tfdt,new Uint8Array([1,0,0,0,s>>24,s>>16&255,s>>8&255,255&s,o>>24,o>>16&255,o>>8&255,255&o])),e.trun(t,i.length+16+20+8+16+8+8),i)},e.trak=function(t){return t.duration=t.duration||4294967295,e.box(e.types.trak,e.tkhd(t),e.mdia(t))},e.trex=function(t){var r=t.id;return e.box(e.types.trex,new Uint8Array([0,0,0,0,r>>24,r>>16&255,r>>8&255,255&r,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))},e.trun=function(t,r){var i,a,n,s,o,l,d=t.samples||[],u=d.length,c=12+16*u,h=new Uint8Array(c);for(r+=8+c,h.set([0,0,15,1,u>>>24&255,u>>>16&255,u>>>8&255,255&u,r>>>24&255,r>>>16&255,r>>>8&255,255&r],0),i=0;i<u;i++)n=(a=d[i]).duration,s=a.size,o=a.flags,l=a.cts,h.set([n>>>24&255,n>>>16&255,n>>>8&255,255&n,s>>>24&255,s>>>16&255,s>>>8&255,255&s,o.isLeading<<2|o.dependsOn,o.isDependedOn<<6|o.hasRedundancy<<4|o.paddingValue<<1|o.isNonSync,61440&o.degradPrio,15&o.degradPrio,l>>>24&255,l>>>16&255,l>>>8&255,255&l],12+16*i);return e.box(e.types.trun,h)},e.initSegment=function(t){e.types||e.init();var r,i=e.moov(t);return(r=new Uint8Array(e.FTYP.byteLength+i.byteLength)).set(e.FTYP),r.set(i,e.FTYP.byteLength),r},e}(),s=r(1),o=r(2),l=r(4),d=r(0);r.d(t,"b",(function(){return f}));var u=Object(l.a)(10),c=Object(l.a)(.2),h=function(){function e(e,t,r,i){this.observer=e,this.config=t,this.typeSupported=r;var a=navigator.userAgent;this.isSafari=i&&i.indexOf("Apple")>-1&&a&&!a.match("CriOS"),this.ISGenerated=!1}var t=e.prototype;return t.destroy=function(){},t.resetTimeStamp=function(e){this._initPTS=this._initDTS=e},t.resetInitSegment=function(){this.ISGenerated=!1},t.remux=function(e,t,r,i,a,n,o){if(this.ISGenerated||this.generateIS(e,t,a),this.ISGenerated){var l=e.samples.length,u=t.samples.length,c=a,h=a;if(l&&u){var f=(e.samples[0].pts-t.samples[0].pts)/t.inputTimeScale;c+=Math.max(0,f),h+=Math.max(0,-f)}if(l){e.timescale||(d.b.warn("regenerate InitSegment as audio detected"),this.generateIS(e,t,a));var g,p=this.remuxAudio(e,c,n,o);if(u)p&&(g=p.endPTS-p.startPTS),t.timescale||(d.b.warn("regenerate InitSegment as video detected"),this.generateIS(e,t,a)),this.remuxVideo(t,h,n,g,o)}else if(u){var v=this.remuxVideo(t,h,n,0,o);v&&e.codec&&this.remuxEmptyAudio(e,c,n,v)}}r.samples.length&&this.remuxID3(r,a),i.samples.length&&this.remuxText(i,a),this.observer.trigger(s.a.FRAG_PARSED)},t.generateIS=function(e,t,r){var i,a,l,u=this.observer,c=e.samples,h=t.samples,f=this.typeSupported,g="audio/mp4",p={},v={tracks:p},m=void 0===this._initPTS;if(m&&(i=a=1/0),e.config&&c.length&&(e.timescale=e.samplerate,d.b.log("audio sampling rate : "+e.samplerate),e.isAAC||(f.mpeg?(g="audio/mpeg",e.codec=""):f.mp3&&(e.codec="mp3")),p.audio={container:g,codec:e.codec,initSegment:!e.isAAC&&f.mpeg?new Uint8Array:n.initSegment([e]),metadata:{channelCount:e.channelCount}},m&&(l=e.inputTimeScale,i=a=c[0].pts-Math.round(l*r))),t.sps&&t.pps&&h.length){var y=t.inputTimeScale;t.timescale=y,p.video={container:"video/mp4",codec:t.codec,initSegment:n.initSegment([t]),metadata:{width:t.width,height:t.height}},m&&(l=t.inputTimeScale,i=Math.min(i,h[0].pts-y*r),a=Math.min(a,h[0].dts-y*r),this.observer.trigger(s.a.INIT_PTS_FOUND,{initPTS:i,timescale:l}))}Object.keys(p).length?(u.trigger(s.a.FRAG_PARSING_INIT_SEGMENT,v),this.ISGenerated=!0,m&&(this._initPTS=i,this._initDTS=a)):u.trigger(s.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.FRAG_PARSING_ERROR,fatal:!1,reason:"no audio/video samples found"})},t.remuxVideo=function(e,t,r,i,a){var u,h,f,g,p,v,m,y=8,b=e.timescale,T=e.samples,E=[],S=T.length,_=this._PTSNormalize,A=this._initPTS,R=this.nextAvcDts,k=this.isSafari;if(0!==S){k&&(r|=T.length&&R&&(a&&Math.abs(t-R/b)<.1||Math.abs(T[0].pts-R-A)<b/5)),r||(R=t*b),T.forEach((function(e){e.pts=_(e.pts-A,R),e.dts=_(e.dts-A,R)})),T.sort((function(e,t){var r=e.dts-t.dts,i=e.pts-t.pts;return r||i||e.id-t.id}));var w=T.reduce((function(e,t){return Math.max(Math.min(e,t.pts-t.dts),-1*c)}),0);if(w<0){d.b.warn("PTS < DTS detected in video samples, shifting DTS by "+Object(l.b)(w,!0)+" ms to overcome this issue");for(var L=0;L<T.length;L++)T[L].dts+=w}var D=T[0];p=Math.max(D.dts,0),g=Math.max(D.pts,0);var O=p-R;r&&O&&(O>1?d.b.log("AVC: "+Object(l.b)(O,!0)+" ms hole between fragments detected,filling it"):O<-1&&d.b.log("AVC: "+Object(l.b)(-O,!0)+" ms overlapping between fragments detected"),p=R,T[0].dts=p,g=Math.max(g-O,R),T[0].pts=g,d.b.log("Video: PTS/DTS adjusted: "+Object(l.b)(g,!0)+"/"+Object(l.b)(p,!0)+", delta: "+Object(l.b)(O,!0)+" ms")),D=T[T.length-1],m=Math.max(D.dts,0),v=Math.max(D.pts,0,m),k&&(u=Math.round((m-p)/(T.length-1)));for(var C=0,I=0,P=0;P<S;P++){for(var x=T[P],M=x.units,F=M.length,U=0,N=0;N<F;N++)U+=M[N].data.length;I+=U,C+=F,x.length=U,x.dts=k?p+P*u:Math.max(x.dts,p),x.pts=Math.max(x.pts,x.dts)}var B=I+4*C+8;try{h=new Uint8Array(B)}catch(e){return void this.observer.trigger(s.a.ERROR,{type:o.b.MUX_ERROR,details:o.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:B,reason:"fail allocating video mdat "+B})}var G=new DataView(h.buffer);G.setUint32(0,B),h.set(n.types.mdat,4);for(var K=0;K<S;K++){for(var j=T[K],H=j.units,V=0,Y=void 0,W=0,q=H.length;W<q;W++){var z=H[W],X=z.data,Q=z.data.byteLength;G.setUint32(y,Q),y+=4,h.set(X,y),y+=Q,V+=4+Q}if(k)Y=Math.max(0,u*Math.round((j.pts-j.dts)/u));else{if(K<S-1)u=T[K+1].dts-j.dts;else{var $=this.config,J=j.dts-T[K>0?K-1:K].dts;if($.stretchShortVideoTrack){var Z=$.maxBufferHole,ee=Math.floor(Z*b),te=(i?g+i*b:this.nextAudioPts)-j.pts;te>ee?((u=te-J)<0&&(u=J),d.b.log("It is approximately "+Object(l.b)(te,!1)+" ms to the next segment; using duration "+Object(l.b)(u,!1)+" ms for the last video frame.")):u=J}else u=J}Y=Math.round(j.pts-j.dts)}E.push({size:V,duration:u,cts:Y,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:j.key?2:1,isNonSync:j.key?0:1}})}this.nextAvcDts=m+u;var re=e.dropped;if(e.nbNalu=0,e.dropped=0,E.length&&navigator.userAgent.toLowerCase().indexOf("chrome")>-1){var ie=E[0].flags;ie.dependsOn=2,ie.isNonSync=0}e.samples=E,f=n.moof(e.sequenceNumber++,p,e),e.samples=[];var ae={data1:f,data2:h,startPTS:g/b,endPTS:(v+u)/b,startDTS:p/b,endDTS:this.nextAvcDts/b,type:"video",hasAudio:!1,hasVideo:!0,nb:E.length,dropped:re};return this.observer.trigger(s.a.FRAG_PARSING_DATA,ae),ae}},t.remuxAudio=function(e,t,r,a){var c,h,f,g,p,v,m=e.inputTimeScale,y=e.timescale,b=m/y,T=(e.isAAC?1024:1152)*b,E=this._PTSNormalize,S=this._initPTS,_=!e.isAAC&&this.typeSupported.mpeg,A=_?0:8,R=e.samples,k=[],w=this.nextAudioPts;if(r|=R.length&&w&&(a&&Math.abs(t-w/m)<.1||Math.abs(R[0].pts-w-S)<20*T),R.forEach((function(e){e.pts=e.dts=E(e.pts-S,t*m)})),0!==(R=R.filter((function(e){return e.pts>=0}))).length){if(r||(w=a?t*m:R[0].pts),e.isAAC)for(var L=this.config.maxAudioFramesDrift,D=0,O=w;D<R.length;){var C,I=R[D];if((C=I.pts-O)<=-L*T)d.b.warn("Dropping 1 audio frame @ "+Object(l.b)(O,!0)+" ms due to "+Object(l.b)(C,!0)+" ms overlap."),R.splice(D,1);else if(C>=L*T&&C<u&&O){var P=Math.round(C/T);d.b.warn("Injecting "+P+" audio frames @ "+Object(l.b)(O,!0)+" ms due to "+Object(l.b)(O,!0)+" ms gap.");for(var x=0;x<P;x++){var M=Math.max(O,0);(h=i.getSilentFrame(e.manifestCodec||e.codec,e.channelCount))||(d.b.log("Unable to get silent frame for given audio codec; duplicating last frame instead."),h=I.unit.subarray()),R.splice(D,0,{unit:h,pts:M,dts:M}),O+=T,D++}I.pts=I.dts=O,O+=T,D++}else Math.abs(C),I.pts=I.dts=O,O+=T,D++}for(var F=R.length,U=0;F--;)U+=R[F].unit.byteLength;for(var N=0,B=R.length;N<B;N++){var G=R[N],K=G.unit,j=G.pts;if(void 0!==v)c.duration=Math.round((j-v)/b);else{var H=j-w,V=0;if(r&&e.isAAC&&H){if(H>0&&H<u)V=Math.round((j-w)/T),d.b.log(Object(l.b)(H,!0)+" ms hole between AAC samples detected,filling it"),V>0&&((h=i.getSilentFrame(e.manifestCodec||e.codec,e.channelCount))||(h=K.subarray()),U+=V*h.length);else if(H<-12){d.b.log("drop overlapping AAC sample, expected/parsed/delta: "+Object(l.b)(w,!0)+" ms / "+Object(l.b)(j,!0)+" ms / "+Object(l.b)(-H,!0)+" ms"),U-=K.byteLength;continue}j=w}if(p=j,!(U>0))return;U+=A;try{f=new Uint8Array(U)}catch(e){return void this.observer.trigger(s.a.ERROR,{type:o.b.MUX_ERROR,details:o.a.REMUX_ALLOC_ERROR,fatal:!1,bytes:U,reason:"fail allocating audio mdat "+U})}_||(new DataView(f.buffer).setUint32(0,U),f.set(n.types.mdat,4));for(var Y=0;Y<V;Y++)(h=i.getSilentFrame(e.manifestCodec||e.codec,e.channelCount))||(d.b.log("Unable to get silent frame for given audio codec; duplicating this frame instead."),h=K.subarray()),f.set(h,A),A+=h.byteLength,c={size:h.byteLength,cts:0,duration:1024,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},k.push(c)}f.set(K,A);var W=K.byteLength;A+=W,c={size:W,cts:0,duration:0,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:1}},k.push(c),v=j}var q=0;if((F=k.length)>=2&&(q=k[F-2].duration,c.duration=q),F){this.nextAudioPts=w=v+b*q,e.samples=k,g=_?new Uint8Array:n.moof(e.sequenceNumber++,p/b,e),e.samples=[];var z=p/m,X=w/m,Q={data1:g,data2:f,startPTS:z,endPTS:X,startDTS:z,endDTS:X,type:"audio",hasAudio:!0,hasVideo:!1,nb:F};return this.observer.trigger(s.a.FRAG_PARSING_DATA,Q),Q}return null}},t.remuxEmptyAudio=function(e,t,r,a){var n=e.inputTimeScale,s=n/(e.samplerate?e.samplerate:n),o=this.nextAudioPts,l=(void 0!==o?o:a.startDTS*n)+this._initDTS,u=a.endDTS*n+this._initDTS,c=1024*s,h=Math.ceil((u-l)/c),f=i.getSilentFrame(e.manifestCodec||e.codec,e.channelCount);if(d.b.warn("remux empty Audio"),f){for(var g=[],p=0;p<h;p++){var v=l+p*c;g.push({unit:f,pts:v,dts:v})}e.samples=g,this.remuxAudio(e,t,r)}else d.b.trace("Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!")},t.remuxID3=function(e){var t,r=e.samples.length,i=e.inputTimeScale,a=this._initPTS,n=this._initDTS;if(r){for(var o=0;o<r;o++)(t=e.samples[o]).pts=(t.pts-a)/i,t.dts=(t.dts-n)/i;this.observer.trigger(s.a.FRAG_PARSING_METADATA,{samples:e.samples})}e.samples=[]},t.remuxText=function(e){e.samples.sort((function(e,t){return e.pts-t.pts}));var t,r=e.samples.length,i=e.inputTimeScale,a=this._initPTS;if(r){for(var n=0;n<r;n++)(t=e.samples[n]).pts=(t.pts-a)/i;this.observer.trigger(s.a.FRAG_PARSING_USERDATA,{samples:e.samples})}e.samples=[]},t._PTSNormalize=function(e,t){var r;if(void 0===t)return e;for(r=t<e?-8589934592:8589934592;Math.abs(e-t)>4294967296;)e+=r;return e},e}();function f(e,t){var r;if(null===t)return e;for(r=t<e?-8589934592:8589934592;Math.abs(e-t)>4294967296;)e+=r;return e}t.a=h},function(e,t,r){"use strict";var i=Object.prototype.hasOwnProperty,a="~";function n(){}function s(e,t,r){this.fn=e,this.context=t,this.once=r||!1}function o(e,t,r,i,n){if("function"!=typeof r)throw new TypeError("The listener must be a function");var o=new s(r,i||e,n),l=a?a+t:t;return e._events[l]?e._events[l].fn?e._events[l]=[e._events[l],o]:e._events[l].push(o):(e._events[l]=o,e._eventsCount++),e}function l(e,t){0==--e._eventsCount?e._events=new n:delete e._events[t]}function d(){this._events=new n,this._eventsCount=0}Object.create&&(n.prototype=Object.create(null),(new n).__proto__||(a=!1)),d.prototype.eventNames=function(){var e,t,r=[];if(0===this._eventsCount)return r;for(t in e=this._events)i.call(e,t)&&r.push(a?t.slice(1):t);return Object.getOwnPropertySymbols?r.concat(Object.getOwnPropertySymbols(e)):r},d.prototype.listeners=function(e){var t=a?a+e:e,r=this._events[t];if(!r)return[];if(r.fn)return[r.fn];for(var i=0,n=r.length,s=new Array(n);i<n;i++)s[i]=r[i].fn;return s},d.prototype.listenerCount=function(e){var t=a?a+e:e,r=this._events[t];return r?r.fn?1:r.length:0},d.prototype.emit=function(e,t,r,i,n,s){var o=a?a+e:e;if(!this._events[o])return!1;var l,d,u=this._events[o],c=arguments.length;if(u.fn){switch(u.once&&this.removeListener(e,u.fn,void 0,!0),c){case 1:return u.fn.call(u.context),!0;case 2:return u.fn.call(u.context,t),!0;case 3:return u.fn.call(u.context,t,r),!0;case 4:return u.fn.call(u.context,t,r,i),!0;case 5:return u.fn.call(u.context,t,r,i,n),!0;case 6:return u.fn.call(u.context,t,r,i,n,s),!0}for(d=1,l=new Array(c-1);d<c;d++)l[d-1]=arguments[d];u.fn.apply(u.context,l)}else{var h,f=u.length;for(d=0;d<f;d++)switch(u[d].once&&this.removeListener(e,u[d].fn,void 0,!0),c){case 1:u[d].fn.call(u[d].context);break;case 2:u[d].fn.call(u[d].context,t);break;case 3:u[d].fn.call(u[d].context,t,r);break;case 4:u[d].fn.call(u[d].context,t,r,i);break;default:if(!l)for(h=1,l=new Array(c-1);h<c;h++)l[h-1]=arguments[h];u[d].fn.apply(u[d].context,l)}}return!0},d.prototype.on=function(e,t,r){return o(this,e,t,r,!1)},d.prototype.once=function(e,t,r){return o(this,e,t,r,!0)},d.prototype.removeListener=function(e,t,r,i){var n=a?a+e:e;if(!this._events[n])return this;if(!t)return l(this,n),this;var s=this._events[n];if(s.fn)s.fn!==t||i&&!s.once||r&&s.context!==r||l(this,n);else{for(var o=0,d=[],u=s.length;o<u;o++)(s[o].fn!==t||i&&!s[o].once||r&&s[o].context!==r)&&d.push(s[o]);d.length?this._events[n]=1===d.length?d[0]:d:l(this,n)}return this},d.prototype.removeAllListeners=function(e){var t;return e?(t=a?a+e:e,this._events[t]&&l(this,t)):(this._events=new n,this._eventsCount=0),this},d.prototype.off=d.prototype.removeListener,d.prototype.addListener=d.prototype.on,d.prefixed=a,d.EventEmitter=d,e.exports=d},function(e,t,r){"use strict";var i=r(1),a=r(2),n=r(8),s=r(3),o=r(0),l=r(6);function d(e,t){return 255===e[t]&&240==(246&e[t+1])}function u(e,t){return 1&e[t+1]?7:9}function c(e,t){return(3&e[t+3])<<11|e[t+4]<<3|(224&e[t+5])>>>5}function h(e,t){return!!(t+1<e.length&&d(e,t))}function f(e,t){if(h(e,t)){var r=u(e,t);t+5<e.length&&(r=c(e,t));var i=t+r;if(i===e.length||i+1<e.length&&d(e,i))return!0}return!1}function g(e,t,r,n,s){if(!e.samplerate){var l=function(e,t,r,n){var s,l,d,u,c,h=navigator.userAgent.toLowerCase(),f=n,g=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350];if(s=1+((192&t[r+2])>>>6),!((l=(60&t[r+2])>>>2)>g.length-1))return u=(1&t[r+2])<<2,u|=(192&t[r+3])>>>6,o.b.log("manifest codec:"+n+",ADTS data:type:"+s+",sampleingIndex:"+l+"["+g[l]+"Hz],channelConfig:"+u),/firefox/i.test(h)?l>=6?(s=5,c=new Array(4),d=l-3):(s=2,c=new Array(2),d=l):-1!==h.indexOf("android")?(s=2,c=new Array(2),d=l):(s=5,c=new Array(4),n&&(-1!==n.indexOf("mp4a.40.29")||-1!==n.indexOf("mp4a.40.5"))||!n&&l>=6?d=l-3:((n&&-1!==n.indexOf("mp4a.40.2")&&(l>=6&&1===u||/vivaldi/i.test(h))||!n&&1===u)&&(s=2,c=new Array(2)),d=l)),c[0]=s<<3,c[0]|=(14&l)>>1,c[1]|=(1&l)<<7,c[1]|=u<<3,5===s&&(c[1]|=(14&d)>>1,c[2]=(1&d)<<7,c[2]|=8,c[3]=0),{config:c,samplerate:g[l],channelCount:u,codec:"mp4a.40."+s,manifestCodec:f};e.trigger(i.a.ERROR,{type:a.b.MEDIA_ERROR,details:a.a.FRAG_PARSING_ERROR,fatal:!0,reason:"invalid ADTS sampling index:"+l})}(t,r,n,s);e.config=l.config,e.samplerate=l.samplerate,e.channelCount=l.channelCount,e.codec=l.codec,e.manifestCodec=l.manifestCodec,o.b.log("parsed codec:"+e.codec+",rate:"+l.samplerate+",nb channel:"+l.channelCount)}}function p(e){return 9216e4/e}function v(e,t,r,i,a){var n=function(e,t,r,i,a){var n,s,o=e.length;if(n=u(e,t),s=c(e,t),(s-=n)>0&&t+n+s<=o)return{headerLength:n,frameLength:s,stamp:r+i*a}}(t,r,i,a,p(e.samplerate));if(n){var s=n.stamp,o=n.headerLength,l=n.frameLength,d={unit:t.subarray(r+o,r+o+l),pts:s,dts:s};return e.samples.push(d),{sample:d,length:l+o}}}var m,y=r(5),b=function(){function e(e,t,r){this.observer=e,this.config=r,this.remuxer=t}var t=e.prototype;return t.resetInitSegment=function(e,t,r,i){this._audioTrack={container:"audio/adts",type:"audio",id:0,sequenceNumber:0,isAAC:!0,samples:[],len:0,manifestCodec:t,duration:i,inputTimeScale:9e4}},t.resetTimeStamp=function(){},e.probe=function(e){if(!e)return!1;for(var t=(y.a.getID3Data(e,0)||[]).length,r=e.length;t<r;t++)if(f(e,t))return o.b.log("ADTS sync word found !"),!0;return!1},t.append=function(e,t,r,i){for(var a=this._audioTrack,n=y.a.getID3Data(e,0)||[],l=y.a.getTimeStamp(n),d=Object(s.a)(l)?90*l:9e4*t,u=0,c=d,f=e.length,p=n.length,m=[{pts:c,dts:c,data:n}];p<f-1;)if(h(e,p)&&p+5<f){g(a,this.observer,e,p,a.manifestCodec);var b=v(a,e,p,d,u);if(!b){o.b.log("Unable to parse AAC frame");break}p+=b.length,c=b.sample.pts,u++}else y.a.isHeader(e,p)?(n=y.a.getID3Data(e,p),m.push({pts:c,dts:c,data:n}),p+=n.length):p++;this.remuxer.remux(a,{samples:[]},{samples:m,inputTimeScale:9e4},{samples:[]},t,r,i)},t.destroy=function(){},e}(),T=r(12),E={BitratesMap:[32,64,96,128,160,192,224,256,288,320,352,384,416,448,32,48,56,64,80,96,112,128,160,192,224,256,320,384,32,40,48,56,64,80,96,112,128,160,192,224,256,320,32,48,56,64,80,96,112,128,144,160,176,192,224,256,8,16,24,32,40,48,56,64,80,96,112,128,144,160],SamplingRateMap:[44100,48e3,32e3,22050,24e3,16e3,11025,12e3,8e3],SamplesCoefficients:[[0,72,144,12],[0,0,0,0],[0,72,144,12],[0,144,144,12]],BytesInSlot:[0,1,1,4],appendFrame:function(e,t,r,i,a){if(!(r+24>t.length)){var n=this.parseHeader(t,r);if(n&&r+n.frameLength<=t.length){var s=i+a*(9e4*n.samplesPerFrame/n.sampleRate),o={unit:t.subarray(r,r+n.frameLength),pts:s,dts:s};return e.config=[],e.channelCount=n.channelCount,e.samplerate=n.sampleRate,e.samples.push(o),{sample:o,length:n.frameLength}}}},parseHeader:function(e,t){var r=e[t+1]>>3&3,i=e[t+1]>>1&3,a=e[t+2]>>4&15,n=e[t+2]>>2&3,s=e[t+2]>>1&1;if(1!==r&&0!==a&&15!==a&&3!==n){var o=3===r?3-i:3===i?3:4,l=1e3*E.BitratesMap[14*o+a-1],d=3===r?0:2===r?1:2,u=E.SamplingRateMap[3*d+n],c=e[t+3]>>6==3?1:2,h=E.SamplesCoefficients[r][i],f=E.BytesInSlot[i],g=8*h*f;return{sampleRate:u,channelCount:c,frameLength:parseInt(h*l/u+s,10)*f,samplesPerFrame:g}}},isHeaderPattern:function(e,t){return 255===e[t]&&224==(224&e[t+1])&&0!=(6&e[t+1])},isHeader:function(e,t){return!!(t+1<e.length&&this.isHeaderPattern(e,t))},probe:function(e,t){if(t+1<e.length&&this.isHeaderPattern(e,t)){var r=this.parseHeader(e,t),i=4;r&&r.frameLength&&(i=r.frameLength);var a=t+i;if(a===e.length||a+1<e.length&&this.isHeaderPattern(e,a))return!0}return!1}},S=E,_=function(){function e(e){this.data=e,this.bytesAvailable=e.byteLength,this.word=0,this.bitsAvailable=0}var t=e.prototype;return t.loadWord=function(){var e=this.data,t=this.bytesAvailable,r=e.byteLength-t,i=new Uint8Array(4),a=Math.min(4,t);if(0===a)throw new Error("no bytes available");i.set(e.subarray(r,r+a)),this.word=new DataView(i.buffer).getUint32(0),this.bitsAvailable=8*a,this.bytesAvailable-=a},t.skipBits=function(e){var t;this.bitsAvailable>e?(this.word<<=e,this.bitsAvailable-=e):(e-=this.bitsAvailable,e-=(t=e>>3)>>3,this.bytesAvailable-=t,this.loadWord(),this.word<<=e,this.bitsAvailable-=e)},t.readBits=function(e){var t=Math.min(this.bitsAvailable,e),r=this.word>>>32-t;return e>32&&o.b.error("Cannot read more than 32 bits at a time"),this.bitsAvailable-=t,this.bitsAvailable>0?this.word<<=t:this.bytesAvailable>0&&this.loadWord(),(t=e-t)>0&&this.bitsAvailable?r<<t|this.readBits(t):r},t.skipLZ=function(){var e;for(e=0;e<this.bitsAvailable;++e)if(0!=(this.word&2147483648>>>e))return this.word<<=e,this.bitsAvailable-=e,e;return this.loadWord(),e+this.skipLZ()},t.skipUEG=function(){this.skipBits(1+this.skipLZ())},t.skipEG=function(){this.skipBits(1+this.skipLZ())},t.readUEG=function(){var e=this.skipLZ();return this.readBits(e+1)-1},t.readEG=function(){var e=this.readUEG();return 1&e?1+e>>>1:-1*(e>>>1)},t.readBoolean=function(){return 1===this.readBits(1)},t.readUByte=function(){return this.readBits(8)},t.readUShort=function(){return this.readBits(16)},t.readUInt=function(){return this.readBits(32)},t.skipScalingList=function(e){var t,r=8,i=8;for(t=0;t<e;t++)0!==i&&(i=(r+this.readEG()+256)%256),r=0===i?r:i},t.readSPS=function(){var e,t,r,i,a,n,s,o=0,l=0,d=0,u=0,c=this.readUByte.bind(this),h=this.readBits.bind(this),f=this.readUEG.bind(this),g=this.readBoolean.bind(this),p=this.skipBits.bind(this),v=this.skipEG.bind(this),m=this.skipUEG.bind(this),y=this.skipScalingList.bind(this);if(c(),e=c(),h(5),p(3),c(),m(),100===e||110===e||122===e||244===e||44===e||83===e||86===e||118===e||128===e){var b=f();if(3===b&&p(1),m(),m(),p(1),g())for(n=3!==b?8:12,s=0;s<n;s++)g()&&y(s<6?16:64)}m();var T=f();if(0===T)f();else if(1===T)for(p(1),v(),v(),t=f(),s=0;s<t;s++)v();m(),p(1),r=f(),i=f(),0===(a=h(1))&&p(1),p(1),g()&&(o=f(),l=f(),d=f(),u=f());var E=[1,1];if(g()&&g())switch(c()){case 1:E=[1,1];break;case 2:E=[12,11];break;case 3:E=[10,11];break;case 4:E=[16,11];break;case 5:E=[40,33];break;case 6:E=[24,11];break;case 7:E=[20,11];break;case 8:E=[32,11];break;case 9:E=[80,33];break;case 10:E=[18,11];break;case 11:E=[15,11];break;case 12:E=[64,33];break;case 13:E=[160,99];break;case 14:E=[4,3];break;case 15:E=[3,2];break;case 16:E=[2,1];break;case 255:E=[c()<<8|c(),c()<<8|c()]}return{width:Math.ceil(16*(r+1)-2*o-2*l),height:(2-a)*(i+1)*16-(a?2:4)*(d+u),pixelRatio:E}},t.readSliceType=function(){return this.readUByte(),this.readUEG(),this.readUEG()},e}(),A=function(){function e(e,t,r,i){this.decryptdata=r,this.discardEPB=i,this.decrypter=new n.a(e,t,{removePKCS7Padding:!1})}var t=e.prototype;return t.decryptBuffer=function(e,t){this.decrypter.decrypt(e,this.decryptdata.key.buffer,this.decryptdata.iv.buffer,t)},t.decryptAacSample=function(e,t,r,i){var a=e[t].unit,n=a.subarray(16,a.length-a.length%16),s=n.buffer.slice(n.byteOffset,n.byteOffset+n.length),o=this;this.decryptBuffer(s,(function(n){n=new Uint8Array(n),a.set(n,16),i||o.decryptAacSamples(e,t+1,r)}))},t.decryptAacSamples=function(e,t,r){for(;;t++){if(t>=e.length)return void r();if(!(e[t].unit.length<32)){var i=this.decrypter.isSync();if(this.decryptAacSample(e,t,r,i),!i)return}}},t.getAvcEncryptedData=function(e){for(var t=16*Math.floor((e.length-48)/160)+16,r=new Int8Array(t),i=0,a=32;a<=e.length-16;a+=160,i+=16)r.set(e.subarray(a,a+16),i);return r},t.getAvcDecryptedUnit=function(e,t){t=new Uint8Array(t);for(var r=0,i=32;i<=e.length-16;i+=160,r+=16)e.set(t.subarray(r,r+16),i);return e},t.decryptAvcSample=function(e,t,r,i,a,n){var s=this.discardEPB(a.data),o=this.getAvcEncryptedData(s),l=this;this.decryptBuffer(o.buffer,(function(o){a.data=l.getAvcDecryptedUnit(s,o),n||l.decryptAvcSamples(e,t,r+1,i)}))},t.decryptAvcSamples=function(e,t,r,i){for(;;t++,r=0){if(t>=e.length)return void i();for(var a=e[t].units;!(r>=a.length);r++){var n=a[r];if(!(n.length<=48||1!==n.type&&5!==n.type)){var s=this.decrypter.isSync();if(this.decryptAvcSample(e,t,r,i,n,s),!s)return}}}},e}(),R={video:1,audio:2,id3:3,text:4},k=function(){function e(e,t,r,i){this.observer=e,this.config=r,this.typeSupported=i,this.remuxer=t,this.sampleAes=null}var t=e.prototype;return t.setDecryptData=function(e){null!=e&&null!=e.key&&"SAMPLE-AES"===e.method?this.sampleAes=new A(this.observer,this.config,e,this.discardEPB):this.sampleAes=null},e.probe=function(t){var r=e._syncOffset(t);return!(r<0)&&(r&&o.b.warn("MPEG2-TS detected but first sync word found @ offset "+r+", junk ahead ?"),!0)},e._syncOffset=function(e){for(var t=Math.min(1e3,e.length-564),r=0;r<t;){if(71===e[r]&&71===e[r+188]&&71===e[r+376])return r;r++}return-1},e.createTrack=function(e,t){return{container:"video"===e||"audio"===e?"video/mp2t":void 0,type:e,id:R[e],pid:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],dropped:"video"===e?0:void 0,isAAC:"audio"===e||void 0,duration:"audio"===e?t:void 0}},t.resetInitSegment=function(t,r,i,a){this.pmtParsed=!1,this._pmtId=-1,this._avcTrack=e.createTrack("video",a),this._audioTrack=e.createTrack("audio",a),this._id3Track=e.createTrack("id3",a),this._txtTrack=e.createTrack("text",a),this.aacOverFlow=null,this.aacLastPTS=null,this.avcSample=null,this.audioCodec=r,this.videoCodec=i,this._duration=a},t.resetTimeStamp=function(){},t.append=function(t,r,n,s){var l,d,u,c,h,f=t.length,g=!1;this.contiguous=n;var p=this.pmtParsed,v=this._avcTrack,m=this._audioTrack,y=this._id3Track,b=v.pid,T=m.pid,E=y.pid,S=this._pmtId,_=v.pesData,A=m.pesData,R=y.pesData,k=this._parsePAT,w=this._parsePMT,L=this._parsePES,D=this._parseAVCPES.bind(this),O=this._parseAACPES.bind(this),C=this._parseMPEGPES.bind(this),I=this._parseID3PES.bind(this),P=e._syncOffset(t);for(f-=(f+P)%188,l=P;l<f;l+=188)if(71===t[l]){if(d=!!(64&t[l+1]),u=((31&t[l+1])<<8)+t[l+2],(48&t[l+3])>>4>1){if((c=l+5+t[l+4])===l+188)continue}else c=l+4;switch(u){case b:d&&(_&&(h=L(_))&&D(h,!1),_={data:[],size:0}),_&&(_.data.push(t.subarray(c,l+188)),_.size+=l+188-c);break;case T:d&&(A&&(h=L(A))&&(m.isAAC?O(h):C(h)),A={data:[],size:0}),A&&(A.data.push(t.subarray(c,l+188)),A.size+=l+188-c);break;case E:d&&(R&&(h=L(R))&&I(h),R={data:[],size:0}),R&&(R.data.push(t.subarray(c,l+188)),R.size+=l+188-c);break;case 0:d&&(c+=t[c]+1),S=this._pmtId=k(t,c);break;case S:d&&(c+=t[c]+1);var x=w(t,c,!0===this.typeSupported.mpeg||!0===this.typeSupported.mp3,null!=this.sampleAes);(b=x.avc)>0&&(v.pid=b),(T=x.audio)>0&&(m.pid=T,m.isAAC=x.isAAC),(E=x.id3)>0&&(y.pid=E),g&&!p&&(o.b.log("reparse from beginning"),g=!1,l=P-188),p=this.pmtParsed=!0;break;case 17:case 8191:break;default:g=!0}}else this.observer.trigger(i.a.ERROR,{type:a.b.MEDIA_ERROR,details:a.a.FRAG_PARSING_ERROR,fatal:!1,reason:"TS packet did not start with 0x47"});_&&(h=L(_))?(D(h,!0),v.pesData=null):v.pesData=_,A&&(h=L(A))?(m.isAAC?O(h):C(h),m.pesData=null):(A&&A.size&&o.b.log("last AAC PES packet truncated,might overlap between fragments"),m.pesData=A),R&&(h=L(R))?(I(h),y.pesData=null):y.pesData=R,null==this.sampleAes?this.remuxer.remux(m,v,y,this._txtTrack,r,n,s):this.decryptAndRemux(m,v,y,this._txtTrack,r,n,s)},t.decryptAndRemux=function(e,t,r,i,a,n,s){if(e.samples&&e.isAAC){var o=this;this.sampleAes.decryptAacSamples(e.samples,0,(function(){o.decryptAndRemuxAvc(e,t,r,i,a,n,s)}))}else this.decryptAndRemuxAvc(e,t,r,i,a,n,s)},t.decryptAndRemuxAvc=function(e,t,r,i,a,n,s){if(t.samples){var o=this;this.sampleAes.decryptAvcSamples(t.samples,0,0,(function(){o.remuxer.remux(e,t,r,i,a,n,s)}))}else this.remuxer.remux(e,t,r,i,a,n,s)},t.destroy=function(){this._initPTS=this._initDTS=void 0,this._duration=0},t._parsePAT=function(e,t){return(31&e[t+10])<<8|e[t+11]},t._parsePMT=function(e,t,r,i){var a,n,s={audio:-1,avc:-1,id3:-1,isAAC:!0};for(a=t+3+((15&e[t+1])<<8|e[t+2])-4,t+=12+((15&e[t+10])<<8|e[t+11]);t<a;){switch(n=(31&e[t+1])<<8|e[t+2],e[t]){case 207:if(!i){o.b.log("unknown stream type:"+e[t]);break}case 15:-1===s.audio&&(s.audio=n);break;case 21:-1===s.id3&&(s.id3=n);break;case 219:if(!i){o.b.log("unknown stream type:"+e[t]);break}case 27:-1===s.avc&&(s.avc=n);break;case 3:case 4:r?-1===s.audio&&(s.audio=n,s.isAAC=!1):o.b.log("MPEG audio found, not supported in this browser for now");break;case 36:o.b.warn("HEVC stream type found, not supported for now");break;default:o.b.log("unknown stream type:"+e[t])}t+=5+((15&e[t+3])<<8|e[t+4])}return s},t._parsePES=function(e){var t,r,i,a,n,s,l,d,u=0,c=e.data;if(!e||0===e.size)return null;for(;c[0].length<19&&c.length>1;){var h=new Uint8Array(c[0].length+c[1].length);h.set(c[0]),h.set(c[1],c[0].length),c[0]=h,c.splice(1,1)}if(1===((t=c[0])[0]<<16)+(t[1]<<8)+t[2]){if((i=(t[4]<<8)+t[5])&&i>e.size-6)return null;if(192&(r=t[7])&&((s=536870912*(14&t[9])+4194304*(255&t[10])+16384*(254&t[11])+128*(255&t[12])+(254&t[13])/2)>4294967295&&(s-=8589934592),64&r?((l=536870912*(14&t[14])+4194304*(255&t[15])+16384*(254&t[16])+128*(255&t[17])+(254&t[18])/2)>4294967295&&(l-=8589934592),s-l>54e5&&(o.b.warn(Math.round((s-l)/9e4)+"s delta between PTS and DTS, align them"),s=l)):l=s),d=(a=t[8])+9,e.size<=d)return null;e.size-=d,n=new Uint8Array(e.size);for(var f=0,g=c.length;f<g;f++){var p=(t=c[f]).byteLength;if(d){if(d>p){d-=p;continue}t=t.subarray(d),p-=d,d=0}n.set(t,u),u+=p}return i&&(i-=a+3),{data:n,pts:s,dts:l,len:i}}return null},t.pushAccesUnit=function(e,t){if(e.units.length&&e.frame){var r=t.samples,i=r.length;if(isNaN(e.pts)){if(!i)return void t.dropped++;var a=r[i-1];e.pts=a.pts,e.dts=a.dts}!this.config.forceKeyFrameOnDiscontinuity||!0===e.key||t.sps&&(i||this.contiguous)?(e.id=i,r.push(e)):t.dropped++}e.debug.length&&o.b.log(e.pts+"/"+e.dts+":"+e.debug)},t._parseAVCPES=function(e,t){var r,i,a,n=this,s=this._avcTrack,o=this._parseAVCNALu(e.data),l=this.avcSample,d=!1,u=this.pushAccesUnit.bind(this),c=function(e,t,r,i){return{key:e,pts:t,dts:r,units:[],debug:i}};e.data=null,l&&o.length&&!s.audFound&&(u(l,s),l=this.avcSample=c(!1,e.pts,e.dts,"")),o.forEach((function(t){switch(t.type){case 1:i=!0,l||(l=n.avcSample=c(!0,e.pts,e.dts,"")),l.frame=!0;var o=t.data;if(d&&o.length>4){var h=new _(o).readSliceType();2!==h&&4!==h&&7!==h&&9!==h||(l.key=!0)}break;case 5:i=!0,l||(l=n.avcSample=c(!0,e.pts,e.dts,"")),l.key=!0,l.frame=!0;break;case 6:i=!0,(r=new _(n.discardEPB(t.data))).readUByte();for(var f=0,g=0,p=!1,v=0;!p&&r.bytesAvailable>1;){f=0;do{f+=v=r.readUByte()}while(255===v);g=0;do{g+=v=r.readUByte()}while(255===v);if(4===f&&0!==r.bytesAvailable){if(p=!0,181===r.readUByte())if(49===r.readUShort())if(1195456820===r.readUInt())if(3===r.readUByte()){var m=r.readUByte(),b=31&m,T=[m,r.readUByte()];for(a=0;a<b;a++)T.push(r.readUByte()),T.push(r.readUByte()),T.push(r.readUByte());n._insertSampleInOrder(n._txtTrack.samples,{type:3,pts:e.pts,bytes:T})}}else if(5===f&&0!==r.bytesAvailable){if(p=!0,g>16){var E=[];for(a=0;a<16;a++)E.push(r.readUByte().toString(16)),3!==a&&5!==a&&7!==a&&9!==a||E.push("-");var S=g-16,A=new Uint8Array(S);for(a=0;a<S;a++)A[a]=r.readUByte();n._insertSampleInOrder(n._txtTrack.samples,{pts:e.pts,payloadType:f,uuid:E.join(""),userDataBytes:A,userData:Object(y.b)(A.buffer)})}}else if(g<r.bytesAvailable)for(a=0;a<g;a++)r.readUByte()}break;case 7:if(i=!0,d=!0,!s.sps){var R=(r=new _(t.data)).readSPS();s.width=R.width,s.height=R.height,s.pixelRatio=R.pixelRatio,s.sps=[t.data],s.duration=n._duration;var k=t.data.subarray(1,4),w="avc1.";for(a=0;a<3;a++){var L=k[a].toString(16);L.length<2&&(L="0"+L),w+=L}s.codec=w}break;case 8:i=!0,s.pps||(s.pps=[t.data]);break;case 9:i=!1,s.audFound=!0,l&&u(l,s),l=n.avcSample=c(!1,e.pts,e.dts,"");break;case 12:i=!1;break;default:i=!1,l&&(l.debug+="unknown NAL "+t.type+" ")}l&&i&&l.units.push(t)})),t&&l&&(u(l,s),this.avcSample=null)},t._insertSampleInOrder=function(e,t){var r=e.length;if(r>0){if(t.pts>=e[r-1].pts)e.push(t);else for(var i=r-1;i>=0;i--)if(t.pts<e[i].pts){e.splice(i,0,t);break}}else e.push(t)},t._getLastNalUnit=function(){var e,t=this.avcSample;if(!t||0===t.units.length){var r=this._avcTrack.samples;t=r[r.length-1]}if(t){var i=t.units;e=i[i.length-1]}return e},t._parseAVCNALu=function(e){var t,r,i,a,n=0,s=e.byteLength,o=this._avcTrack,l=o.naluState||0,d=l,u=[],c=-1;for(-1===l&&(c=0,a=31&e[0],l=0,n=1);n<s;)if(t=e[n++],l)if(1!==l)if(t)if(1===t){if(c>=0)i={data:e.subarray(c,n-l-1),type:a},u.push(i);else{var h=this._getLastNalUnit();if(h&&(d&&n<=4-d&&h.state&&(h.data=h.data.subarray(0,h.data.byteLength-d)),(r=n-l-1)>0)){var f=new Uint8Array(h.data.byteLength+r);f.set(h.data,0),f.set(e.subarray(0,r),h.data.byteLength),h.data=f}}n<s?(c=n,a=31&e[n],l=0):l=-1}else l=0;else l=3;else l=t?0:2;else l=t?0:1;if(c>=0&&l>=0&&(i={data:e.subarray(c,s),type:a,state:l},u.push(i)),0===u.length){var g=this._getLastNalUnit();if(g){var p=new Uint8Array(g.data.byteLength+e.byteLength);p.set(g.data,0),p.set(e,g.data.byteLength),g.data=p}}return o.naluState=l,u},t.discardEPB=function(e){for(var t,r,i=e.byteLength,a=[],n=1;n<i-2;)0===e[n]&&0===e[n+1]&&3===e[n+2]?(a.push(n+2),n+=2):n++;if(0===a.length)return e;t=i-a.length,r=new Uint8Array(t);var s=0;for(n=0;n<t;s++,n++)s===a[0]&&(s++,a.shift()),r[n]=e[s];return r},t._parseAACPES=function(e){var t,r,n,s,l,d,u,c=this._audioTrack,f=e.data,m=e.pts,y=this.aacOverFlow,b=this.aacLastPTS;if(y){var T=new Uint8Array(y.byteLength+f.byteLength);T.set(y,0),T.set(f,y.byteLength),f=T}for(n=0,l=f.length;n<l-1&&!h(f,n);n++);if(n&&(n<l-1?(d="AAC PES did not start with ADTS header,offset:"+n,u=!1):(d="no ADTS header found in AAC PES",u=!0),o.b.warn("parsing error:"+d),this.observer.trigger(i.a.ERROR,{type:a.b.MEDIA_ERROR,details:a.a.FRAG_PARSING_ERROR,fatal:u,reason:d}),u))return;if(g(c,this.observer,f,n,this.audioCodec),r=0,t=p(c.samplerate),y&&b){var E=b+t;Math.abs(E-m)>1&&(o.b.log("AAC: align PTS for overlapping frames by "+Math.round((E-m)/90)),m=E)}for(;n<l;){if(h(f,n)){if(n+5<l){var S=v(c,f,n,m,r);if(S){n+=S.length,s=S.sample.pts,r++;continue}}break}n++}y=n<l?f.subarray(n,l):null,this.aacOverFlow=y,this.aacLastPTS=s},t._parseMPEGPES=function(e){for(var t=e.data,r=t.length,i=0,a=0,n=e.pts;a<r;)if(S.isHeader(t,a)){var s=S.appendFrame(this._audioTrack,t,a,n,i);if(!s)break;a+=s.length,i++}else a++},t._parseID3PES=function(e){this._id3Track.samples.push(e)},e}(),w=function(){function e(e,t,r){this.observer=e,this.config=r,this.remuxer=t}var t=e.prototype;return t.resetInitSegment=function(e,t,r,i){this._audioTrack={container:"audio/mpeg",type:"audio",id:-1,sequenceNumber:0,isAAC:!1,samples:[],len:0,manifestCodec:t,duration:i,inputTimeScale:9e4}},t.resetTimeStamp=function(){},e.probe=function(e){var t,r,i=y.a.getID3Data(e,0);if(i&&void 0!==y.a.getTimeStamp(i))for(t=i.length,r=Math.min(e.length-1,t+100);t<r;t++)if(S.probe(e,t))return o.b.log("MPEG Audio sync word found !"),!0;return!1},t.append=function(e,t,r,i){for(var a=y.a.getID3Data(e,0),n=y.a.getTimeStamp(a),s=n?90*n:9e4*t,o=a.length,l=e.length,d=0,u=0,c=this._audioTrack,h=[{pts:s,dts:s,data:a}];o<l;)if(S.isHeader(e,o)){var f=S.appendFrame(c,e,o,s,d);if(!f)break;o+=f.length,u=f.sample.pts,d++}else y.a.isHeader(e,o)?(a=y.a.getID3Data(e,o),h.push({pts:u,dts:u,data:a}),o+=a.length):o++;this.remuxer.remux(c,{samples:[]},{samples:h,inputTimeScale:9e4},{samples:[]},t,r,i)},t.destroy=function(){},e}(),L=r(9),D=function(){function e(e){this.observer=e}var t=e.prototype;return t.destroy=function(){},t.resetTimeStamp=function(){},t.resetInitSegment=function(){},t.remux=function(e,t,r,a,n,s,o,l){var d=this.observer,u="";e&&(u+="audio"),t&&(u+="video"),d.trigger(i.a.FRAG_PARSING_DATA,{data1:l,startPTS:n,startDTS:n,type:u,hasAudio:!!e,hasVideo:!!t,nb:1,dropped:0}),d.trigger(i.a.FRAG_PARSED)},e}(),O=Object(l.a)();try{m=O.performance.now.bind(O.performance)}catch(e){o.b.debug("Unable to use Performance API on this environment"),m=O.Date.now}var C=function(){function e(e,t,r,i){this.observer=e,this.typeSupported=t,this.config=r,this.vendor=i}var t=e.prototype;return t.destroy=function(){var e=this.demuxer;e&&e.destroy()},t.push=function(e,t,r,a,s,o,l,d,u,c,h,f){var g=this;if(e.byteLength>0&&null!=t&&null!=t.key&&"AES-128"===t.method){var p=this.decrypter;null==p&&(p=this.decrypter=new n.a(this.observer,this.config));var v=m();p.decrypt(e,t.key.buffer,t.iv.buffer,(function(e){var n=m();g.observer.trigger(i.a.FRAG_DECRYPTED,{stats:{tstart:v,tdecrypt:n}}),g.pushDecrypted(new Uint8Array(e),t,new Uint8Array(r),a,s,o,l,d,u,c,h,f)}))}else this.pushDecrypted(new Uint8Array(e),t,new Uint8Array(r),a,s,o,l,d,u,c,h,f)},t.pushDecrypted=function(e,t,r,n,s,o,l,d,u,c,h,f){var g=this.demuxer;if(!g||(l||d)&&!this.probe(e)){for(var p=this.observer,v=this.typeSupported,m=this.config,y=[{demux:k,remux:L.a},{demux:T.a,remux:D},{demux:b,remux:L.a},{demux:w,remux:L.a}],E=0,S=y.length;E<S;E++){var _=y[E],A=_.demux.probe;if(A(e)){var R=this.remuxer=new _.remux(p,m,v,this.vendor);g=new _.demux(p,R,m,v),this.probe=A;break}}if(!g)return void p.trigger(i.a.ERROR,{type:a.b.MEDIA_ERROR,details:a.a.FRAG_PARSING_ERROR,fatal:!0,reason:"no demux matching with content found"});this.demuxer=g}var O=this.remuxer;(l||d)&&(g.resetInitSegment(r,n,s,c),O.resetInitSegment()),l&&(g.resetTimeStamp(f),O.resetTimeStamp(f)),"function"==typeof g.setDecryptData&&g.setDecryptData(t),g.append(e,o,u,h)},e}();t.a=C},function(e,t,r){"use strict";var i=r(0),a=r(1),n=Math.pow(2,32)-1,s=function(){function e(e,t){this.observer=e,this.remuxer=t}var t=e.prototype;return t.resetTimeStamp=function(e){this.initPTS=e},t.resetInitSegment=function(t,r,i,n){if(t&&t.byteLength){var s=this.initData=e.parseInitSegment(t);null==r&&(r="mp4a.40.5"),null==i&&(i="avc1.42e01e");var o={};s.audio&&s.video?o.audiovideo={container:"video/mp4",codec:r+","+i,initSegment:n?t:null}:(s.audio&&(o.audio={container:"audio/mp4",codec:r,initSegment:n?t:null}),s.video&&(o.video={container:"video/mp4",codec:i,initSegment:n?t:null})),this.observer.trigger(a.a.FRAG_PARSING_INIT_SEGMENT,{tracks:o})}else r&&(this.audioCodec=r),i&&(this.videoCodec=i)},e.probe=function(t){return e.findBox({data:t,start:0,end:Math.min(t.length,16384)},["moof"]).length>0},e.bin2str=function(e){return String.fromCharCode.apply(null,e)},e.readUint16=function(e,t){e.data&&(t+=e.start,e=e.data);var r=e[t]<<8|e[t+1];return r<0?65536+r:r},e.readUint32=function(e,t){e.data&&(t+=e.start,e=e.data);var r=e[t]<<24|e[t+1]<<16|e[t+2]<<8|e[t+3];return r<0?4294967296+r:r},e.writeUint32=function(e,t,r){e.data&&(t+=e.start,e=e.data),e[t]=r>>24,e[t+1]=r>>16&255,e[t+2]=r>>8&255,e[t+3]=255&r},e.findBox=function(t,r){var i,a,n,s,o,l,d=[];if(t.data?(o=t.start,n=t.end,t=t.data):(o=0,n=t.byteLength),!r.length)return null;for(i=o;i<n;)l=(a=e.readUint32(t,i))>1?i+a:n,e.bin2str(t.subarray(i+4,i+8))===r[0]&&(1===r.length?d.push({data:t,start:i+8,end:l}):(s=e.findBox({data:t,start:i+8,end:l},r.slice(1))).length&&(d=d.concat(s))),i=l;return d},e.parseSegmentIndex=function(t){var r,i=e.findBox(t,["moov"])[0],a=i?i.end:null,n=0,s=e.findBox(t,["sidx"]);if(!s||!s[0])return null;r=[];var o=(s=s[0]).data[0];n=0===o?8:16;var l=e.readUint32(s,n);n+=4;n+=0===o?8:16,n+=2;var d=s.end+0,u=e.readUint16(s,n);n+=2;for(var c=0;c<u;c++){var h=n,f=e.readUint32(s,h);h+=4;var g=2147483647&f;if(1===(2147483648&f)>>>31)return void console.warn("SIDX has hierarchical references (not supported)");var p=e.readUint32(s,h);h+=4,r.push({referenceSize:g,subsegmentDuration:p,info:{duration:p/l,start:d,end:d+g-1}}),d+=g,n=h+=4}return{earliestPresentationTime:0,timescale:l,version:o,referencesCount:u,references:r,moovEndOffset:a}},e.parseInitSegment=function(t){var r=[];return e.findBox(t,["moov","trak"]).forEach((function(t){var a=e.findBox(t,["tkhd"])[0];if(a){var n=a.data[a.start],s=0===n?12:20,o=e.readUint32(a,s),l=e.findBox(t,["mdia","mdhd"])[0];if(l){s=0===(n=l.data[l.start])?12:20;var d=e.readUint32(l,s),u=e.findBox(t,["mdia","hdlr"])[0];if(u){var c={soun:"audio",vide:"video"}[e.bin2str(u.data.subarray(u.start+8,u.start+12))];if(c){var h=e.findBox(t,["mdia","minf","stbl","stsd"]);if(h.length){h=h[0];var f=e.bin2str(h.data.subarray(h.start+12,h.start+16));i.b.log("MP4Demuxer:"+c+":"+f+" found")}r[o]={timescale:d,type:c},r[c]={timescale:d,id:o}}}}}})),r},e.getStartDTS=function(t,r){var i,a,n;return i=e.findBox(r,["moof","traf"]),a=[].concat.apply([],i.map((function(r){return e.findBox(r,["tfhd"]).map((function(i){var a,n;return a=e.readUint32(i,4),n=t[a].timescale||9e4,e.findBox(r,["tfdt"]).map((function(t){var r,i;return r=t.data[t.start],i=e.readUint32(t,4),1===r&&(i*=Math.pow(2,32),i+=e.readUint32(t,8)),i}))[0]/n}))}))),n=Math.min.apply(null,a),isFinite(n)?n:0},e.offsetStartDTS=function(t,r,i){e.findBox(r,["moof","traf"]).map((function(r){return e.findBox(r,["tfhd"]).map((function(a){var s=e.readUint32(a,4),o=t[s].timescale||9e4;e.findBox(r,["tfdt"]).map((function(t){var r=t.data[t.start],a=e.readUint32(t,4);if(0===r)e.writeUint32(t,4,a-i*o);else{a*=Math.pow(2,32),a+=e.readUint32(t,8),a-=i*o,a=Math.max(a,0);var s=Math.floor(a/(n+1)),l=Math.floor(a%(n+1));e.writeUint32(t,4,s),e.writeUint32(t,8,l)}}))}))}))},t.append=function(t,r,i,n){var s=this.initData;s||(this.resetInitSegment(t,this.audioCodec,this.videoCodec,!1),s=this.initData);var o,l=this.initPTS;if(void 0===l){var d=e.getStartDTS(s,t);this.initPTS=l=d-r,this.observer.trigger(a.a.INIT_PTS_FOUND,{initPTS:l})}e.offsetStartDTS(s,t,l),o=e.getStartDTS(s,t),this.remuxer.remux(s.audio,s.video,null,null,o,i,n,t)},t.destroy=function(){},e}();t.a=s},function(e,t,r){function i(e){var t={};function r(i){if(t[i])return t[i].exports;var a=t[i]={i:i,l:!1,exports:{}};return e[i].call(a.exports,a,a.exports,r),a.l=!0,a.exports}r.m=e,r.c=t,r.i=function(e){return e},r.d=function(e,t,i){r.o(e,t)||Object.defineProperty(e,t,{configurable:!1,enumerable:!0,get:i})},r.r=function(e){Object.defineProperty(e,"__esModule",{value:!0})},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},r.p="/",r.oe=function(e){throw console.error(e),e};var i=r(r.s=ENTRY_MODULE);return i.default||i}var a="\\(\\s*(/\\*.*?\\*/)?\\s*.*?([\\.|\\-|\\+|\\w|/|@]+).*?\\)";function n(e){return(e+"").replace(/[.?*+^$[\]\\(){}|-]/g,"\\$&")}function s(e,t,i){var s={};s[i]=[];var o=t.toString(),l=o.match(/^function\s?\w*\(\w+,\s*\w+,\s*(\w+)\)/);if(!l)return s;for(var d,u=l[1],c=new RegExp("(\\\\n|\\W)"+n(u)+a,"g");d=c.exec(o);)"dll-reference"!==d[3]&&s[i].push(d[3]);for(c=new RegExp("\\("+n(u)+'\\("(dll-reference\\s([\\.|\\-|\\+|\\w|/|@]+))"\\)\\)'+a,"g");d=c.exec(o);)e[d[2]]||(s[i].push(d[1]),e[d[2]]=r(d[1]).m),s[d[2]]=s[d[2]]||[],s[d[2]].push(d[4]);for(var h,f=Object.keys(s),g=0;g<f.length;g++)for(var p=0;p<s[f[g]].length;p++)h=s[f[g]][p],isNaN(1*h)||(s[f[g]][p]=1*s[f[g]][p]);return s}function o(e){return Object.keys(e).reduce((function(t,r){return t||e[r].length>0}),!1)}e.exports=function(e,t){t=t||{};var a={main:r.m},n=t.all?{main:Object.keys(a.main)}:function(e,t){for(var r={main:[t]},i={main:[]},a={main:{}};o(r);)for(var n=Object.keys(r),l=0;l<n.length;l++){var d=n[l],u=r[d].pop();if(a[d]=a[d]||{},!a[d][u]&&e[d][u]){a[d][u]=!0,i[d]=i[d]||[],i[d].push(u);for(var c=s(e,e[d][u],d),h=Object.keys(c),f=0;f<h.length;f++)r[h[f]]=r[h[f]]||[],r[h[f]]=r[h[f]].concat(c[h[f]])}}return i}(a,e),l="";Object.keys(n).filter((function(e){return"main"!==e})).forEach((function(e){for(var t=0;n[e][t];)t++;n[e].push(t),a[e][t]="(function(module, exports, __webpack_require__) { module.exports = __webpack_require__; })",l=l+"var "+e+" = ("+i.toString().replace("ENTRY_MODULE",JSON.stringify(t))+")({"+n[e].map((function(t){return JSON.stringify(t)+": "+a[e][t].toString()})).join(",")+"});\n"})),l=l+"new (("+i.toString().replace("ENTRY_MODULE",JSON.stringify(e))+")({"+n.main.map((function(e){return JSON.stringify(e)+": "+a.main[e].toString()})).join(",")+"}))(self);";var d=new window.Blob([l],{type:"text/javascript"});if(t.bare)return d;var u=(window.URL||window.webkitURL||window.mozURL||window.msURL).createObjectURL(d),c=new window.Worker(u);return c.objectURL=u,c}},function(e,t,r){"use strict";r.r(t);var i=r(11),a=r(1),n=r(0),s=r(10);t.default=function(e){var t=new s.EventEmitter;t.trigger=function(e){for(var r=arguments.length,i=new Array(r>1?r-1:0),a=1;a<r;a++)i[a-1]=arguments[a];t.emit.apply(t,[e,e].concat(i))},t.off=function(e){for(var r=arguments.length,i=new Array(r>1?r-1:0),a=1;a<r;a++)i[a-1]=arguments[a];t.removeListener.apply(t,[e].concat(i))};var r=function(t,r){e.postMessage({event:t,data:r})};e.addEventListener("message",(function(a){var s=a.data;switch(s.cmd){case"init":var o=JSON.parse(s.config);e.demuxer=new i.a(t,s.typeSupported,o,s.vendor),Object(n.a)(o.debug),r("init",null);break;case"demux":e.demuxer.push(s.data,s.decryptdata,s.initSegment,s.audioCodec,s.videoCodec,s.timeOffset,s.discontinuity,s.trackSwitch,s.contiguous,s.duration,s.accurateTimeOffset,s.defaultInitPTS)}})),t.on(a.a.FRAG_DECRYPTED,r),t.on(a.a.FRAG_PARSING_INIT_SEGMENT,r),t.on(a.a.FRAG_PARSED,r),t.on(a.a.ERROR,r),t.on(a.a.FRAG_PARSING_METADATA,r),t.on(a.a.FRAG_PARSING_USERDATA,r),t.on(a.a.INIT_PTS_FOUND,r),t.on(a.a.FRAG_PARSING_DATA,(function(t,r){var i=[],a={event:t,data:r};r.data1&&(a.data1=r.data1.buffer,i.push(r.data1.buffer),delete r.data1),r.data2&&(a.data2=r.data2.buffer,i.push(r.data2.buffer),delete r.data2),e.postMessage(a,i)}))}},function(e,t,r){"use strict";r.r(t);var i={};r.r(i),r.d(i,"newCue",(function(){return mt}));var a,n,s=r(7),o=r(2),l=r(3),d=r(1),u=r(0),c={hlsEventGeneric:!0,hlsHandlerDestroying:!0,hlsHandlerDestroyed:!0},h=function(){function e(e){this.hls=void 0,this.handledEvents=void 0,this.useGenericHandler=void 0,this.hls=e,this.onEvent=this.onEvent.bind(this);for(var t=arguments.length,r=new Array(t>1?t-1:0),i=1;i<t;i++)r[i-1]=arguments[i];this.handledEvents=r,this.useGenericHandler=!0,this.registerListeners()}var t=e.prototype;return t.destroy=function(){this.onHandlerDestroying(),this.unregisterListeners(),this.onHandlerDestroyed()},t.onHandlerDestroying=function(){},t.onHandlerDestroyed=function(){},t.isEventHandler=function(){return"object"==typeof this.handledEvents&&this.handledEvents.length&&"function"==typeof this.onEvent},t.registerListeners=function(){this.isEventHandler()&&this.handledEvents.forEach((function(e){if(c[e])throw new Error("Forbidden event-name: "+e);this.hls.on(e,this.onEvent)}),this)},t.unregisterListeners=function(){this.isEventHandler()&&this.handledEvents.forEach((function(e){this.hls.off(e,this.onEvent)}),this)},t.onEvent=function(e,t){this.onEventGeneric(e,t)},t.onEventGeneric=function(e,t){try{(function(e,t){var r="on"+e.replace("hls","");if("function"!=typeof this[r])throw new Error("Event "+e+" has no generic handler in this "+this.constructor.name+" class (tried "+r+")");return this[r].bind(this,t)}).call(this,e,t).call()}catch(t){u.b.error("An internal error happened while handling event "+e+'. Error message: "'+t.message+'". Here is a stacktrace:',t),this.hls.trigger(d.a.ERROR,{type:o.b.OTHER_ERROR,details:o.a.INTERNAL_EXCEPTION,fatal:!1,event:e,err:t})}},e}();!function(e){e.MANIFEST="manifest",e.LEVEL="level",e.AUDIO_TRACK="audioTrack",e.SUBTITLE_TRACK="subtitleTrack"}(a||(a={})),function(e){e.MAIN="main",e.AUDIO="audio",e.SUBTITLE="subtitle"}(n||(n={}));var f=r(12);function g(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var p,v=function(){function e(e,t){this._uri=null,this.baseuri=void 0,this.reluri=void 0,this.method=null,this.key=null,this.iv=null,this.baseuri=e,this.reluri=t}var t,r,i;return t=e,(r=[{key:"uri",get:function(){return!this._uri&&this.reluri&&(this._uri=Object(s.buildAbsoluteURL)(this.baseuri,this.reluri,{alwaysNormalize:!0})),this._uri}}])&&g(t.prototype,r),i&&g(t,i),e}();function m(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}!function(e){e.AUDIO="audio",e.VIDEO="video"}(p||(p={}));var y=function(){function e(){var e;this._url=null,this._byteRange=null,this._decryptdata=null,this._elementaryStreams=((e={})[p.AUDIO]=!1,e[p.VIDEO]=!1,e),this.deltaPTS=0,this.rawProgramDateTime=null,this.programDateTime=null,this.title=null,this.tagList=[],this.cc=void 0,this.type=void 0,this.relurl=void 0,this.baseurl=void 0,this.duration=void 0,this.start=void 0,this.sn=0,this.urlId=0,this.level=0,this.levelkey=void 0,this.loader=void 0}var t,r,i,a=e.prototype;return a.setByteRange=function(e,t){var r=e.split("@",2),i=[];1===r.length?i[0]=t?t.byteRangeEndOffset:0:i[0]=parseInt(r[1]),i[1]=parseInt(r[0])+i[0],this._byteRange=i},a.addElementaryStream=function(e){this._elementaryStreams[e]=!0},a.hasElementaryStream=function(e){return!0===this._elementaryStreams[e]},a.createInitializationVector=function(e){for(var t=new Uint8Array(16),r=12;r<16;r++)t[r]=e>>8*(15-r)&255;return t},a.setDecryptDataFromLevelKey=function(e,t){var r=e;return e&&e.method&&e.uri&&!e.iv&&((r=new v(e.baseuri,e.reluri)).method=e.method,r.iv=this.createInitializationVector(t)),r},t=e,(r=[{key:"url",get:function(){return!this._url&&this.relurl&&(this._url=Object(s.buildAbsoluteURL)(this.baseurl,this.relurl,{alwaysNormalize:!0})),this._url},set:function(e){this._url=e}},{key:"byteRange",get:function(){return this._byteRange?this._byteRange:[]}},{key:"byteRangeStartOffset",get:function(){return this.byteRange[0]}},{key:"byteRangeEndOffset",get:function(){return this.byteRange[1]}},{key:"decryptdata",get:function(){if(!this.levelkey&&!this._decryptdata)return null;if(!this._decryptdata&&this.levelkey){var e=this.sn;"number"!=typeof e&&(this.levelkey&&"AES-128"===this.levelkey.method&&!this.levelkey.iv&&u.b.warn('missing IV for initialization segment with method="'+this.levelkey.method+'" - compliance issue'),e=0),this._decryptdata=this.setDecryptDataFromLevelKey(this.levelkey,e)}return this._decryptdata}},{key:"endProgramDateTime",get:function(){if(null===this.programDateTime)return null;if(!Object(l.a)(this.programDateTime))return null;var e=Object(l.a)(this.duration)?this.duration:0;return this.programDateTime+1e3*e}},{key:"encrypted",get:function(){return!(!this.decryptdata||null===this.decryptdata.uri||null!==this.decryptdata.key)}}])&&m(t.prototype,r),i&&m(t,i),e}();function b(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var T=function(){function e(e){this.endCC=0,this.endSN=0,this.fragments=[],this.initSegment=null,this.live=!0,this.needSidxRanges=!1,this.startCC=0,this.startSN=0,this.startTimeOffset=null,this.targetduration=0,this.totalduration=0,this.type=null,this.url=e,this.version=null}var t,r,i;return t=e,(r=[{key:"hasProgramDateTime",get:function(){return!(!this.fragments[0]||!Object(l.a)(this.fragments[0].programDateTime))}}])&&b(t.prototype,r),i&&b(t,i),e}(),E=/^(\d+)x(\d+)$/,S=/\s*(.+?)\s*=((?:\".*?\")|.*?)(?:,|$)/g,_=function(){function e(t){for(var r in"string"==typeof t&&(t=e.parseAttrList(t)),t)t.hasOwnProperty(r)&&(this[r]=t[r])}var t=e.prototype;return t.decimalInteger=function(e){var t=parseInt(this[e],10);return t>Number.MAX_SAFE_INTEGER?1/0:t},t.hexadecimalInteger=function(e){if(this[e]){var t=(this[e]||"0x").slice(2);t=(1&t.length?"0":"")+t;for(var r=new Uint8Array(t.length/2),i=0;i<t.length/2;i++)r[i]=parseInt(t.slice(2*i,2*i+2),16);return r}return null},t.hexadecimalIntegerAsNumber=function(e){var t=parseInt(this[e],16);return t>Number.MAX_SAFE_INTEGER?1/0:t},t.decimalFloatingPoint=function(e){return parseFloat(this[e])},t.enumeratedString=function(e){return this[e]},t.decimalResolution=function(e){var t=E.exec(this[e]);if(null!==t)return{width:parseInt(t[1],10),height:parseInt(t[2],10)}},e.parseAttrList=function(e){var t,r={};for(S.lastIndex=0;null!==(t=S.exec(e));){var i=t[2];0===i.indexOf('"')&&i.lastIndexOf('"')===i.length-1&&(i=i.slice(1,-1)),r[t[1]]=i}return r},e}(),A={audio:{a3ds:!0,"ac-3":!0,"ac-4":!0,alac:!0,alaw:!0,dra1:!0,"dts+":!0,"dts-":!0,dtsc:!0,dtse:!0,dtsh:!0,"ec-3":!0,enca:!0,g719:!0,g726:!0,m4ae:!0,mha1:!0,mha2:!0,mhm1:!0,mhm2:!0,mlpa:!0,mp4a:!0,"raw ":!0,Opus:!0,samr:!0,sawb:!0,sawp:!0,sevc:!0,sqcp:!0,ssmv:!0,twos:!0,ulaw:!0},video:{avc1:!0,avc2:!0,avc3:!0,avc4:!0,avcp:!0,drac:!0,dvav:!0,dvhe:!0,encv:!0,hev1:!0,hvc1:!0,mjp2:!0,mp4v:!0,mvc1:!0,mvc2:!0,mvc3:!0,mvc4:!0,resv:!0,rv60:!0,s263:!0,svc1:!0,svc2:!0,"vc-1":!0,vp08:!0,vp09:!0}};function R(e,t){return MediaSource.isTypeSupported((t||"video")+'/mp4;codecs="'+e+'"')}var k=/#EXT-X-STREAM-INF:([^\n\r]*)[\r\n]+([^\r\n]+)/g,w=/#EXT-X-MEDIA:(.*)/g,L=new RegExp([/#EXTINF:\s*(\d*(?:\.\d+)?)(?:,(.*)\s+)?/.source,/|(?!#)([\S+ ?]+)/.source,/|#EXT-X-BYTERANGE:*(.+)/.source,/|#EXT-X-PROGRAM-DATE-TIME:(.+)/.source,/|#.*/.source].join(""),"g"),D=/(?:(?:#(EXTM3U))|(?:#EXT-X-(PLAYLIST-TYPE):(.+))|(?:#EXT-X-(MEDIA-SEQUENCE): *(\d+))|(?:#EXT-X-(TARGETDURATION): *(\d+))|(?:#EXT-X-(KEY):(.+))|(?:#EXT-X-(START):(.+))|(?:#EXT-X-(ENDLIST))|(?:#EXT-X-(DISCONTINUITY-SEQ)UENCE:(\d+))|(?:#EXT-X-(DIS)CONTINUITY))|(?:#EXT-X-(VERSION):(\d+))|(?:#EXT-X-(MAP):(.+))|(?:(#)([^:]*):(.*))|(?:(#)(.*))(?:.*)\r?\n?/,O=/\.(mp4|m4s|m4v|m4a)$/i,C=function(){function e(){}return e.findGroup=function(e,t){for(var r=0;r<e.length;r++){var i=e[r];if(i.id===t)return i}},e.convertAVC1ToAVCOTI=function(e){var t,r=e.split(".");return r.length>2?(t=r.shift()+".",t+=parseInt(r.shift()).toString(16),t+=("000"+parseInt(r.shift()).toString(16)).substr(-4)):t=e,t},e.resolve=function(e,t){return s.buildAbsoluteURL(t,e,{alwaysNormalize:!0})},e.parseMasterPlaylist=function(t,r){var i,a=[];function n(e,t){["video","audio"].forEach((function(r){var i=e.filter((function(e){return function(e,t){var r=A[t];return!!r&&!0===r[e.slice(0,4)]}(e,r)}));if(i.length){var a=i.filter((function(e){return 0===e.lastIndexOf("avc1",0)||0===e.lastIndexOf("mp4a",0)}));t[r+"Codec"]=a.length>0?a[0]:i[0],e=e.filter((function(e){return-1===i.indexOf(e)}))}})),t.unknownCodecs=e}for(k.lastIndex=0;null!=(i=k.exec(t));){var s={},o=s.attrs=new _(i[1]);s.url=e.resolve(i[2],r);var l=o.decimalResolution("RESOLUTION");l&&(s.width=l.width,s.height=l.height),s.bitrate=o.decimalInteger("AVERAGE-BANDWIDTH")||o.decimalInteger("BANDWIDTH"),s.name=o.NAME,n([].concat((o.CODECS||"").split(/[ ,]+/)),s),s.videoCodec&&-1!==s.videoCodec.indexOf("avc1")&&(s.videoCodec=e.convertAVC1ToAVCOTI(s.videoCodec)),a.push(s)}return a},e.parseMasterPlaylistMedia=function(t,r,i,a){var n;void 0===a&&(a=[]);var s=[],o=0;for(w.lastIndex=0;null!==(n=w.exec(t));){var l=new _(n[1]);if(l.TYPE===i){var d={id:o++,groupId:l["GROUP-ID"],name:l.NAME||l.LANGUAGE,type:i,default:"YES"===l.DEFAULT,autoselect:"YES"===l.AUTOSELECT,forced:"YES"===l.FORCED,lang:l.LANGUAGE};if(l.URI&&(d.url=e.resolve(l.URI,r)),a.length){var u=e.findGroup(a,d.groupId);d.audioCodec=u?u.codec:a[0].codec}s.push(d)}}return s},e.parseLevelPlaylist=function(e,t,r,i,a){var n,s,o,d=0,c=0,h=new T(t),f=0,g=null,p=new y,m=null;for(L.lastIndex=0;null!==(n=L.exec(e));){var b=n[1];if(b){p.duration=parseFloat(b);var E=(" "+n[2]).slice(1);p.title=E||null,p.tagList.push(E?["INF",b,E]:["INF",b])}else if(n[3]){if(Object(l.a)(p.duration)){var S=d++;p.type=i,p.start=c,o&&(p.levelkey=o),p.sn=S,p.level=r,p.cc=f,p.urlId=a,p.baseurl=t,p.relurl=(" "+n[3]).slice(1),I(p,g),h.fragments.push(p),g=p,c+=p.duration,p=new y}}else if(n[4]){var A=(" "+n[4]).slice(1);g?p.setByteRange(A,g):p.setByteRange(A)}else if(n[5])p.rawProgramDateTime=(" "+n[5]).slice(1),p.tagList.push(["PROGRAM-DATE-TIME",p.rawProgramDateTime]),null===m&&(m=h.fragments.length);else{if(!(n=n[0].match(D))){u.b.warn("No matches on slow regex match for level playlist!");continue}for(s=1;s<n.length&&void 0===n[s];s++);var R=(" "+n[s+1]).slice(1),k=(" "+n[s+2]).slice(1);switch(n[s]){case"#":p.tagList.push(k?[R,k]:[R]);break;case"PLAYLIST-TYPE":h.type=R.toUpperCase();break;case"MEDIA-SEQUENCE":d=h.startSN=parseInt(R);break;case"TARGETDURATION":h.targetduration=parseFloat(R);break;case"VERSION":h.version=parseInt(R);break;case"EXTM3U":break;case"ENDLIST":h.live=!1;break;case"DIS":f++,p.tagList.push(["DIS"]);break;case"DISCONTINUITY-SEQ":f=parseInt(R);break;case"KEY":var w=new _(R),C=w.enumeratedString("METHOD"),P=w.URI,x=w.hexadecimalInteger("IV");C&&(o=new v(t,P),P&&["AES-128","SAMPLE-AES","SAMPLE-AES-CENC"].indexOf(C)>=0&&(o.method=C,o.key=null,o.iv=x));break;case"START":var M=new _(R).decimalFloatingPoint("TIME-OFFSET");Object(l.a)(M)&&(h.startTimeOffset=M);break;case"MAP":var F=new _(R);p.relurl=F.URI,F.BYTERANGE&&p.setByteRange(F.BYTERANGE),p.baseurl=t,p.level=r,p.type=i,p.sn="initSegment",h.initSegment=p,(p=new y).rawProgramDateTime=h.initSegment.rawProgramDateTime;break;default:u.b.warn("line parsed but not handled: "+n)}}}return(p=g)&&!p.relurl&&(h.fragments.pop(),c-=p.duration),h.totalduration=c,h.averagetargetduration=c/h.fragments.length,h.endSN=d-1,h.startCC=h.fragments[0]?h.fragments[0].cc:0,h.endCC=f,!h.initSegment&&h.fragments.length&&h.fragments.every((function(e){return O.test(e.relurl)}))&&(u.b.warn("MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX"),(p=new y).relurl=h.fragments[0].relurl,p.baseurl=t,p.level=r,p.type=i,p.sn="initSegment",h.initSegment=p,h.needSidxRanges=!0),m&&function(e,t){for(var r=e[t],i=t-1;i>=0;i--){var a=e[i];a.programDateTime=r.programDateTime-1e3*a.duration,r=a}}(h.fragments,m),h},e}();function I(e,t){e.rawProgramDateTime?e.programDateTime=Date.parse(e.rawProgramDateTime):t&&t.programDateTime&&(e.programDateTime=t.endProgramDateTime),Object(l.a)(e.programDateTime)||(e.programDateTime=null,e.rawProgramDateTime=null)}var P=window.performance,x=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.MANIFEST_LOADING,d.a.LEVEL_LOADING,d.a.AUDIO_TRACK_LOADING,d.a.SUBTITLE_TRACK_LOADING)||this).loaders={},r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r,i.canHaveQualityLevels=function(e){return e!==a.AUDIO_TRACK&&e!==a.SUBTITLE_TRACK},i.mapContextToLevelType=function(e){switch(e.type){case a.AUDIO_TRACK:return n.AUDIO;case a.SUBTITLE_TRACK:return n.SUBTITLE;default:return n.MAIN}},i.getResponseUrl=function(e,t){var r=e.url;return void 0!==r&&0!==r.indexOf("data:")||(r=t.url),r};var s=i.prototype;return s.createInternalLoader=function(e){var t=this.hls.config,r=t.pLoader,i=t.loader,a=new(r||i)(t);return e.loader=a,this.loaders[e.type]=a,a},s.getInternalLoader=function(e){return this.loaders[e.type]},s.resetInternalLoader=function(e){this.loaders[e]&&delete this.loaders[e]},s.destroyInternalLoaders=function(){for(var e in this.loaders){var t=this.loaders[e];t&&t.destroy(),this.resetInternalLoader(e)}},s.destroy=function(){this.destroyInternalLoaders(),e.prototype.destroy.call(this)},s.onManifestLoading=function(e){this.load({url:e.url,type:a.MANIFEST,level:0,id:null,responseType:"text"})},s.onLevelLoading=function(e){this.load({url:e.url,type:a.LEVEL,level:e.level,id:e.id,responseType:"text"})},s.onAudioTrackLoading=function(e){this.load({url:e.url,type:a.AUDIO_TRACK,level:null,id:e.id,responseType:"text"})},s.onSubtitleTrackLoading=function(e){this.load({url:e.url,type:a.SUBTITLE_TRACK,level:null,id:e.id,responseType:"text"})},s.load=function(e){var t=this.hls.config;u.b.debug("Loading playlist of type "+e.type+", level: "+e.level+", id: "+e.id);var r,i,n,s,o=this.getInternalLoader(e);if(o){var l=o.context;if(l&&l.url===e.url)return u.b.trace("playlist request ongoing"),!1;u.b.warn("aborting previous loader for type: "+e.type),o.abort()}switch(e.type){case a.MANIFEST:r=t.manifestLoadingMaxRetry,i=t.manifestLoadingTimeOut,n=t.manifestLoadingRetryDelay,s=t.manifestLoadingMaxRetryTimeout;break;case a.LEVEL:r=0,s=0,n=0,i=t.levelLoadingTimeOut;break;default:r=t.levelLoadingMaxRetry,i=t.levelLoadingTimeOut,n=t.levelLoadingRetryDelay,s=t.levelLoadingMaxRetryTimeout}o=this.createInternalLoader(e);var d={timeout:i,maxRetry:r,retryDelay:n,maxRetryDelay:s},c={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};return u.b.debug("Calling internal loader delegate for URL: "+e.url),o.load(e,d,c),!0},s.loadsuccess=function(e,t,r,i){if(void 0===i&&(i=null),r.isSidxRequest)return this._handleSidxRequest(e,r),void this._handlePlaylistLoaded(e,t,r,i);if(this.resetInternalLoader(r.type),"string"!=typeof e.data)throw new Error('expected responseType of "text" for PlaylistLoader');var a=e.data;t.tload=P.now(),0===a.indexOf("#EXTM3U")?a.indexOf("#EXTINF:")>0||a.indexOf("#EXT-X-TARGETDURATION:")>0?this._handleTrackOrLevelPlaylist(e,t,r,i):this._handleMasterPlaylist(e,t,r,i):this._handleManifestParsingError(e,r,"no EXTM3U delimiter",i)},s.loaderror=function(e,t,r){void 0===r&&(r=null),this._handleNetworkError(t,r,!1,e)},s.loadtimeout=function(e,t,r){void 0===r&&(r=null),this._handleNetworkError(t,r,!0)},s._handleMasterPlaylist=function(e,t,r,a){var n=this.hls,s=e.data,o=i.getResponseUrl(e,r),l=C.parseMasterPlaylist(s,o);if(l.length){var c=l.map((function(e){return{id:e.attrs.AUDIO,codec:e.audioCodec}})),h=C.parseMasterPlaylistMedia(s,o,"AUDIO",c),f=C.parseMasterPlaylistMedia(s,o,"SUBTITLES");if(h.length){var g=!1;h.forEach((function(e){e.url||(g=!0)})),!1===g&&l[0].audioCodec&&!l[0].attrs.AUDIO&&(u.b.log("audio codec signaled in quality level, but no embedded audio track signaled, create one"),h.unshift({type:"main",name:"main",default:!1,autoselect:!1,forced:!1,id:-1}))}n.trigger(d.a.MANIFEST_LOADED,{levels:l,audioTracks:h,subtitles:f,url:o,stats:t,networkDetails:a})}else this._handleManifestParsingError(e,r,"no level found in manifest",a)},s._handleTrackOrLevelPlaylist=function(e,t,r,n){var s=this.hls,o=r.id,u=r.level,c=r.type,h=i.getResponseUrl(e,r),f=Object(l.a)(o)?o:0,g=Object(l.a)(u)?u:f,p=i.mapContextToLevelType(r),v=C.parseLevelPlaylist(e.data,h,g,p,f);if(v.tload=t.tload,c===a.MANIFEST){var m={url:h,details:v};s.trigger(d.a.MANIFEST_LOADED,{levels:[m],audioTracks:[],url:h,stats:t,networkDetails:n})}if(t.tparsed=P.now(),v.needSidxRanges){var y=v.initSegment.url;this.load({url:y,isSidxRequest:!0,type:c,level:u,levelDetails:v,id:o,rangeStart:0,rangeEnd:2048,responseType:"arraybuffer"})}else r.levelDetails=v,this._handlePlaylistLoaded(e,t,r,n)},s._handleSidxRequest=function(e,t){if("string"==typeof e.data)throw new Error("sidx request must be made with responseType of array buffer");var r=f.a.parseSegmentIndex(new Uint8Array(e.data));if(r){var i=r.references,a=t.levelDetails;i.forEach((function(e,t){var r=e.info;if(a){var i=a.fragments[t];0===i.byteRange.length&&i.setByteRange(String(1+r.end-r.start)+"@"+String(r.start))}})),a&&a.initSegment.setByteRange(String(r.moovEndOffset)+"@0")}},s._handleManifestParsingError=function(e,t,r,i){this.hls.trigger(d.a.ERROR,{type:o.b.NETWORK_ERROR,details:o.a.MANIFEST_PARSING_ERROR,fatal:!0,url:e.url,reason:r,networkDetails:i})},s._handleNetworkError=function(e,t,r,i){var n,s;void 0===r&&(r=!1),void 0===i&&(i=null),u.b.info("A network error occured while loading a "+e.type+"-type playlist");var l=this.getInternalLoader(e);switch(e.type){case a.MANIFEST:n=r?o.a.MANIFEST_LOAD_TIMEOUT:o.a.MANIFEST_LOAD_ERROR,s=!0;break;case a.LEVEL:n=r?o.a.LEVEL_LOAD_TIMEOUT:o.a.LEVEL_LOAD_ERROR,s=!1;break;case a.AUDIO_TRACK:n=r?o.a.AUDIO_TRACK_LOAD_TIMEOUT:o.a.AUDIO_TRACK_LOAD_ERROR,s=!1;break;default:s=!1}l&&(l.abort(),this.resetInternalLoader(e.type));var c={type:o.b.NETWORK_ERROR,details:n,fatal:s,url:e.url,loader:l,context:e,networkDetails:t};i&&(c.response=i),this.hls.trigger(d.a.ERROR,c)},s._handlePlaylistLoaded=function(e,t,r,n){var s=r.type,o=r.level,l=r.id,u=r.levelDetails;if(u&&u.targetduration)if(i.canHaveQualityLevels(r.type))this.hls.trigger(d.a.LEVEL_LOADED,{details:u,level:o||0,id:l||0,stats:t,networkDetails:n});else switch(s){case a.AUDIO_TRACK:this.hls.trigger(d.a.AUDIO_TRACK_LOADED,{details:u,id:l,stats:t,networkDetails:n});break;case a.SUBTITLE_TRACK:this.hls.trigger(d.a.SUBTITLE_TRACK_LOADED,{details:u,id:l,stats:t,networkDetails:n})}else this._handleManifestParsingError(e,r,"invalid target duration",n)},i}(h);var M=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.FRAG_LOADING)||this).loaders={},r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.destroy=function(){var t=this.loaders;for(var r in t){var i=t[r];i&&i.destroy()}this.loaders={},e.prototype.destroy.call(this)},a.onFragLoading=function(e){var t=e.frag,r=t.type,i=this.loaders,a=this.hls.config,n=a.fLoader,s=a.loader;t.loaded=0;var o,d,c,h=i[r];h&&(u.b.warn("abort previous fragment loader for type: "+r),h.abort()),h=i[r]=t.loader=a.fLoader?new n(a):new s(a),o={url:t.url,frag:t,responseType:"arraybuffer",progressData:!1};var f=t.byteRangeStartOffset,g=t.byteRangeEndOffset;Object(l.a)(f)&&Object(l.a)(g)&&(o.rangeStart=f,o.rangeEnd=g),d={timeout:a.fragLoadingTimeOut,maxRetry:0,retryDelay:0,maxRetryDelay:a.fragLoadingMaxRetryTimeout},c={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this),onProgress:this.loadprogress.bind(this)},h.load(o,d,c)},a.loadsuccess=function(e,t,r,i){void 0===i&&(i=null);var a=e.data,n=r.frag;n.loader=void 0,this.loaders[n.type]=void 0,this.hls.trigger(d.a.FRAG_LOADED,{payload:a,frag:n,stats:t,networkDetails:i})},a.loaderror=function(e,t,r){void 0===r&&(r=null);var i=t.frag,a=i.loader;a&&a.abort(),this.loaders[i.type]=void 0,this.hls.trigger(d.a.ERROR,{type:o.b.NETWORK_ERROR,details:o.a.FRAG_LOAD_ERROR,fatal:!1,frag:t.frag,response:e,networkDetails:r})},a.loadtimeout=function(e,t,r){void 0===r&&(r=null);var i=t.frag,a=i.loader;a&&a.abort(),this.loaders[i.type]=void 0,this.hls.trigger(d.a.ERROR,{type:o.b.NETWORK_ERROR,details:o.a.FRAG_LOAD_TIMEOUT,fatal:!1,frag:t.frag,networkDetails:r})},a.loadprogress=function(e,t,r,i){void 0===i&&(i=null);var a=t.frag;a.loaded=e.loaded,this.hls.trigger(d.a.FRAG_LOAD_PROGRESS,{frag:a,stats:e,networkDetails:i})},i}(h);var F=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.KEY_LOADING)||this).loaders={},r.decryptkey=null,r.decrypturl=null,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.destroy=function(){for(var t in this.loaders){var r=this.loaders[t];r&&r.destroy()}this.loaders={},e.prototype.destroy.call(this)},a.onKeyLoading=function(e){var t=e.frag,r=t.type,i=this.loaders[r];if(t.decryptdata){var a=t.decryptdata.uri;if(a!==this.decrypturl||null===this.decryptkey){var n=this.hls.config;if(i&&(u.b.warn("abort previous key loader for type:"+r),i.abort()),!a)return void u.b.warn("key uri is falsy");t.loader=this.loaders[r]=new n.loader(n),this.decrypturl=a,this.decryptkey=null;var s={url:a,frag:t,responseType:"arraybuffer"},o={timeout:n.fragLoadingTimeOut,maxRetry:0,retryDelay:n.fragLoadingRetryDelay,maxRetryDelay:n.fragLoadingMaxRetryTimeout},l={onSuccess:this.loadsuccess.bind(this),onError:this.loaderror.bind(this),onTimeout:this.loadtimeout.bind(this)};t.loader.load(s,o,l)}else this.decryptkey&&(t.decryptdata.key=this.decryptkey,this.hls.trigger(d.a.KEY_LOADED,{frag:t}))}else u.b.warn("Missing decryption data on fragment in onKeyLoading")},a.loadsuccess=function(e,t,r){var i=r.frag;i.decryptdata?(this.decryptkey=i.decryptdata.key=new Uint8Array(e.data),i.loader=void 0,delete this.loaders[i.type],this.hls.trigger(d.a.KEY_LOADED,{frag:i})):u.b.error("after key load, decryptdata unset")},a.loaderror=function(e,t){var r=t.frag,i=r.loader;i&&i.abort(),delete this.loaders[r.type],this.hls.trigger(d.a.ERROR,{type:o.b.NETWORK_ERROR,details:o.a.KEY_LOAD_ERROR,fatal:!1,frag:r,response:e})},a.loadtimeout=function(e,t){var r=t.frag,i=r.loader;i&&i.abort(),delete this.loaders[r.type],this.hls.trigger(d.a.ERROR,{type:o.b.NETWORK_ERROR,details:o.a.KEY_LOAD_TIMEOUT,fatal:!1,frag:r})},i}(h);var U="NOT_LOADED",N="APPENDING",B="PARTIAL",G="OK",K=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.BUFFER_APPENDED,d.a.FRAG_BUFFERED,d.a.FRAG_LOADED)||this).bufferPadding=.2,r.fragments=Object.create(null),r.timeRanges=Object.create(null),r.config=t.config,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.destroy=function(){this.fragments=Object.create(null),this.timeRanges=Object.create(null),this.config=null,h.prototype.destroy.call(this),e.prototype.destroy.call(this)},a.getBufferedFrag=function(e,t){var r=this.fragments,i=Object.keys(r).filter((function(i){var a=r[i];if(a.body.type!==t)return!1;if(!a.buffered)return!1;var n=a.body;return n.startPTS<=e&&e<=n.endPTS}));if(0===i.length)return null;var a=i.pop();return r[a].body},a.detectEvictedFragments=function(e,t){var r,i,a=this;Object.keys(this.fragments).forEach((function(n){var s=a.fragments[n];if(!0===s.buffered){var o=s.range[e];if(o){r=o.time;for(var l=0;l<r.length;l++)if(i=r[l],!1===a.isTimeBuffered(i.startPTS,i.endPTS,t)){a.removeFragment(s.body);break}}}}))},a.detectPartialFragments=function(e){var t=this,r=this.getFragmentKey(e),i=this.fragments[r];i&&(i.buffered=!0,Object.keys(this.timeRanges).forEach((function(r){if(e.hasElementaryStream(r)){var a=t.timeRanges[r];i.range[r]=t.getBufferedTimes(e.startPTS,e.endPTS,a)}})))},a.getBufferedTimes=function(e,t,r){for(var i,a,n=[],s=!1,o=0;o<r.length;o++){if(i=r.start(o)-this.bufferPadding,a=r.end(o)+this.bufferPadding,e>=i&&t<=a){n.push({startPTS:Math.max(e,r.start(o)),endPTS:Math.min(t,r.end(o))});break}if(e<a&&t>i)n.push({startPTS:Math.max(e,r.start(o)),endPTS:Math.min(t,r.end(o))}),s=!0;else if(t<=i)break}return{time:n,partial:s}},a.getFragmentKey=function(e){return e.type+"_"+e.level+"_"+e.urlId+"_"+e.sn},a.getPartialFragment=function(e){var t,r,i,a=this,n=null,s=0;return Object.keys(this.fragments).forEach((function(o){var l=a.fragments[o];a.isPartial(l)&&(r=l.body.startPTS-a.bufferPadding,i=l.body.endPTS+a.bufferPadding,e>=r&&e<=i&&(t=Math.min(e-r,i-e),s<=t&&(n=l.body,s=t)))})),n},a.getState=function(e){var t=this.getFragmentKey(e),r=this.fragments[t],i=U;return void 0!==r&&(i=r.buffered?!0===this.isPartial(r)?B:G:N),i},a.isPartial=function(e){return!0===e.buffered&&(void 0!==e.range.video&&!0===e.range.video.partial||void 0!==e.range.audio&&!0===e.range.audio.partial)},a.isTimeBuffered=function(e,t,r){for(var i,a,n=0;n<r.length;n++){if(i=r.start(n)-this.bufferPadding,a=r.end(n)+this.bufferPadding,e>=i&&t<=a)return!0;if(t<=i)return!1}return!1},a.onFragLoaded=function(e){var t=e.frag;Object(l.a)(t.sn)&&!t.bitrateTest&&(this.fragments[this.getFragmentKey(t)]={body:t,range:Object.create(null),buffered:!1})},a.onBufferAppended=function(e){var t=this;this.timeRanges=e.timeRanges,Object.keys(this.timeRanges).forEach((function(e){var r=t.timeRanges[e];t.detectEvictedFragments(e,r)}))},a.onFragBuffered=function(e){this.detectPartialFragments(e.frag)},a.hasFragment=function(e){var t=this.getFragmentKey(e);return void 0!==this.fragments[t]},a.removeFragment=function(e){var t=this.getFragmentKey(e);delete this.fragments[t]},a.removeAllFragments=function(){this.fragments=Object.create(null)},i}(h),j={search:function(e,t){for(var r=0,i=e.length-1,a=null,n=null;r<=i;){var s=t(n=e[a=(r+i)/2|0]);if(s>0)r=a+1;else{if(!(s<0))return n;i=a-1}}return null}},H=function(){function e(){}return e.isBuffered=function(e,t){try{if(e)for(var r=e.buffered,i=0;i<r.length;i++)if(t>=r.start(i)&&t<=r.end(i))return!0}catch(e){}return!1},e.bufferInfo=function(e,t,r){try{if(e){var i,a=e.buffered,n=[];for(i=0;i<a.length;i++)n.push({start:a.start(i),end:a.end(i)});return this.bufferedInfo(n,t,r)}}catch(e){}return{len:0,start:t,end:t,nextStart:void 0}},e.bufferedInfo=function(e,t,r){e.sort((function(e,t){var r=e.start-t.start;return r||t.end-e.end}));var i=[];if(r)for(var a=0;a<e.length;a++){var n=i.length;if(n){var s=i[n-1].end;e[a].start-s<r?e[a].end>s&&(i[n-1].end=e[a].end):i.push(e[a])}else i.push(e[a])}else i=e;for(var o,l=0,d=t,u=t,c=0;c<i.length;c++){var h=i[c].start,f=i[c].end;if(t+r>=h&&t<f)d=h,l=(u=f)-t;else if(t+r<h){o=h;break}}return{len:l,start:d,end:u,nextStart:o}},e.getBufferedPosWithinTolerance=function(t,r,i){var a=t?t.currentTime:void 0;if(e.isBuffered(t,a))return r;for(var n=t.buffered,s=0;s<n.length;s++){var o=n.start(s);if(o>a&&o<a+i)return Math.ceil(10*o)/10}return r},e}(),V=r(10),Y=r(13),W=r(11);function q(){return window.MediaSource||window.WebKitMediaSource}var z=r(6);var X=function(e){var t,r;function i(){return e.apply(this,arguments)||this}return r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r,i.prototype.trigger=function(e){for(var t=arguments.length,r=new Array(t>1?t-1:0),i=1;i<t;i++)r[i-1]=arguments[i];this.emit.apply(this,[e,e].concat(r))},i}(V.EventEmitter),Q=Object(z.a)(),$=q()||{isTypeSupported:function(){return!1}},J=function(){function e(e,t){var r=this;this.hls=e,this.id=t;var i=this.observer=new X,a=e.config,n=function(t,i){(i=i||{}).frag=r.frag,i.id=r.id,e.trigger(t,i)};i.on(d.a.FRAG_DECRYPTED,n),i.on(d.a.FRAG_PARSING_INIT_SEGMENT,n),i.on(d.a.FRAG_PARSING_DATA,n),i.on(d.a.FRAG_PARSED,n),i.on(d.a.ERROR,n),i.on(d.a.FRAG_PARSING_METADATA,n),i.on(d.a.FRAG_PARSING_USERDATA,n),i.on(d.a.INIT_PTS_FOUND,n);var s={mp4:$.isTypeSupported("video/mp4"),mpeg:$.isTypeSupported("audio/mpeg"),mp3:$.isTypeSupported('audio/mp4; codecs="mp3"')},l=navigator.vendor;if(a.enableWorker&&"undefined"!=typeof Worker){var c;u.b.log("demuxing in webworker");try{c=this.w=Y(14),this.onwmsg=this.onWorkerMessage.bind(this),c.addEventListener("message",this.onwmsg),c.onerror=function(t){e.trigger(d.a.ERROR,{type:o.b.OTHER_ERROR,details:o.a.INTERNAL_EXCEPTION,fatal:!0,event:"demuxerWorker",err:{message:t.message+" ("+t.filename+":"+t.lineno+")"}})},c.postMessage({cmd:"init",typeSupported:s,vendor:l,id:t,config:JSON.stringify(a)})}catch(e){u.b.warn("Error in worker:",e),u.b.error("Error while initializing DemuxerWorker, fallback on DemuxerInline"),c&&Q.URL.revokeObjectURL(c.objectURL),this.demuxer=new W.a(i,s,a,l),this.w=void 0}}else this.demuxer=new W.a(i,s,a,l)}var t=e.prototype;return t.destroy=function(){var e=this.w;if(e)e.removeEventListener("message",this.onwmsg),e.terminate(),this.w=null;else{var t=this.demuxer;t&&(t.destroy(),this.demuxer=null)}var r=this.observer;r&&(r.removeAllListeners(),this.observer=null)},t.push=function(e,t,r,i,a,n,s,o){var d=this.w,c=Object(l.a)(a.startPTS)?a.startPTS:a.start,h=a.decryptdata,f=this.frag,g=!(f&&a.cc===f.cc),p=!(f&&a.level===f.level),v=f&&a.sn===f.sn+1,m=!p&&v;if(g&&u.b.log(this.id+":discontinuity detected"),p&&u.b.log(this.id+":switch detected"),this.frag=a,d)d.postMessage({cmd:"demux",data:e,decryptdata:h,initSegment:t,audioCodec:r,videoCodec:i,timeOffset:c,discontinuity:g,trackSwitch:p,contiguous:m,duration:n,accurateTimeOffset:s,defaultInitPTS:o},e instanceof ArrayBuffer?[e]:[]);else{var y=this.demuxer;y&&y.push(e,h,t,r,i,c,g,p,m,n,s,o)}},t.onWorkerMessage=function(e){var t=e.data,r=this.hls;switch(t.event){case"init":Q.URL.revokeObjectURL(this.w.objectURL);break;case d.a.FRAG_PARSING_DATA:t.data.data1=new Uint8Array(t.data1),t.data2&&(t.data.data2=new Uint8Array(t.data2));default:t.data=t.data||{},t.data.frag=this.frag,t.data.id=this.id,r.trigger(t.event,t.data)}},e}();function Z(e,t,r){switch(t){case"audio":e.audioGroupIds||(e.audioGroupIds=[]),e.audioGroupIds.push(r);break;case"text":e.textGroupIds||(e.textGroupIds=[]),e.textGroupIds.push(r)}}function ee(e,t,r){var i=e[t],a=e[r],n=a.startPTS;Object(l.a)(n)?r>t?(i.duration=n-i.start,i.duration<0&&u.b.warn("negative duration computed for frag "+i.sn+",level "+i.level+", there should be some duration drift between playlist and fragment!")):(a.duration=i.start-n,a.duration<0&&u.b.warn("negative duration computed for frag "+a.sn+",level "+a.level+", there should be some duration drift between playlist and fragment!")):a.start=r>t?i.start+i.duration:Math.max(i.start-a.duration,0)}function te(e,t,r,i,a,n){var s=r;if(Object(l.a)(t.startPTS)){var o=Math.abs(t.startPTS-r);Object(l.a)(t.deltaPTS)?t.deltaPTS=Math.max(o,t.deltaPTS):t.deltaPTS=o,s=Math.max(r,t.startPTS),r=Math.min(r,t.startPTS),i=Math.max(i,t.endPTS),a=Math.min(a,t.startDTS),n=Math.max(n,t.endDTS)}var d=r-t.start;t.start=t.startPTS=r,t.maxStartPTS=s,t.endPTS=i,t.startDTS=a,t.endDTS=n,t.duration=i-r;var u,c,h,f=t.sn;if(!e||f<e.startSN||f>e.endSN)return 0;for(u=f-e.startSN,(c=e.fragments)[u]=t,h=u;h>0;h--)ee(c,h,h-1);for(h=u;h<c.length-1;h++)ee(c,h,h+1);return e.PTSKnown=!0,d}function re(e,t){t.initSegment&&e.initSegment&&(t.initSegment=e.initSegment);var r,i=0;if(ie(e,t,(function(e,a){i=e.cc-a.cc,Object(l.a)(e.startPTS)&&(a.start=a.startPTS=e.startPTS,a.endPTS=e.endPTS,a.duration=e.duration,a.backtracked=e.backtracked,a.dropped=e.dropped,r=a),t.PTSKnown=!0})),t.PTSKnown){if(i){u.b.log("discontinuity sliding from playlist, take drift into account");for(var a=t.fragments,n=0;n<a.length;n++)a[n].cc+=i}r?te(t,r,r.startPTS,r.endPTS,r.startDTS,r.endDTS):function(e,t){var r=t.startSN-e.startSN,i=e.fragments,a=t.fragments;if(r<0||r>i.length)return;for(var n=0;n<a.length;n++)a[n].start+=i[r].start}(e,t),t.PTSKnown=e.PTSKnown}}function ie(e,t,r){if(e&&t)for(var i=Math.max(e.startSN,t.startSN)-t.startSN,a=Math.min(e.endSN,t.endSN)-t.startSN,n=t.startSN-e.startSN,s=i;s<=a;s++){var o=e.fragments[n+s],l=t.fragments[s];if(!o||!l)break;r(o,l,s)}}function ae(e,t,r){var i=1e3*(t.averagetargetduration?t.averagetargetduration:t.targetduration),a=i/2;return e&&t.endSN===e.endSN&&(i=a),r&&(i=Math.max(a,i-(window.performance.now()-r))),Math.round(i)}var ne={toString:function(e){for(var t="",r=e.length,i=0;i<r;i++)t+="["+e.start(i).toFixed(3)+","+e.end(i).toFixed(3)+"]";return t}};function se(e,t){t.fragments.forEach((function(t){if(t){var r=t.start+e;t.start=t.startPTS=r,t.endPTS=r+t.duration}})),t.PTSKnown=!0}function oe(e,t,r){!function(e,t,r){if(function(e,t,r){var i=!1;return t&&t.details&&r&&(r.endCC>r.startCC||e&&e.cc<r.startCC)&&(i=!0),i}(e,r,t)){var i=function(e,t){var r=e.fragments,i=t.fragments;if(i.length&&r.length){var a=function(e,t){for(var r=null,i=0;i<e.length;i+=1){var a=e[i];if(a&&a.cc===t){r=a;break}}return r}(r,i[0].cc);if(a&&(!a||a.startPTS))return a;u.b.log("No frag in previous level to align on")}else u.b.log("No fragments to align")}(r.details,t);i&&(u.b.log("Adjusting PTS using last level due to CC increase within current level"),se(i.start,t))}}(e,r,t),!r.PTSKnown&&t&&function(e,t){if(t&&t.fragments.length){if(!e.hasProgramDateTime||!t.hasProgramDateTime)return;var r=t.fragments[0].programDateTime,i=(e.fragments[0].programDateTime-r)/1e3+t.fragments[0].start;Object(l.a)(i)&&(u.b.log("adjusting PTS using programDateTime delta, sliding:"+i.toFixed(3)),se(i,e))}}(r,t.details)}function le(e,t,r){if(null===t||!Array.isArray(e)||!e.length||!Object(l.a)(t))return null;if(t<(e[0].programDateTime||0))return null;if(t>=(e[e.length-1].endProgramDateTime||0))return null;r=r||0;for(var i=0;i<e.length;++i){var a=e[i];if(ce(t,r,a))return a}return null}function de(e,t,r,i){void 0===r&&(r=0),void 0===i&&(i=0);var a=e?t[e.sn-t[0].sn+1]:null;return a&&!ue(r,i,a)?a:j.search(t,ue.bind(null,r,i))}function ue(e,t,r){void 0===e&&(e=0),void 0===t&&(t=0);var i=Math.min(t,r.duration+(r.deltaPTS?r.deltaPTS:0));return r.start+r.duration-i<=e?1:r.start-i>e&&r.start?-1:0}function ce(e,t,r){var i=1e3*Math.min(t,r.duration+(r.deltaPTS?r.deltaPTS:0));return(r.endProgramDateTime||0)-i>e}var he=function(){function e(e,t,r,i){this.config=e,this.media=t,this.fragmentTracker=r,this.hls=i,this.nudgeRetry=0,this.stallReported=!1,this.stalled=null,this.moved=!1,this.seeking=!1}var t=e.prototype;return t.poll=function(e){var t=this.config,r=this.media,i=this.stalled,a=r.currentTime,n=r.seeking,s=this.seeking&&!n,o=!this.seeking&&n;if(this.seeking=n,a===e){if((o||s)&&(this.stalled=null),this.config.seekWithinTolerance&&(n||s)&&this.seekWithinToleranceIfNeeded(),!r.paused&&!r.ended&&0!==r.playbackRate&&r.buffered.length){var l=H.bufferInfo(r,a,0),d=l.len>0,c=l.nextStart||0;if(d||c){if(n){if(l.len>2||(!c||c-a>2))return;this.moved=!1}if(!this.moved&&this.stalled){var h=Math.max(c,l.start||0)-a;if(h>0&&h<=2)return void this._trySkipBufferHole(null)}var f=self.performance.now();if(null!==i){var g=f-i;!n&&g>=250&&this._reportStall(l.len);var p=H.bufferInfo(r,a,t.maxBufferHole);this._tryFixBufferStall(p,g)}else this.stalled=f}}}else if(this.moved=!0,null!==i){if(this.stallReported){var v=self.performance.now()-i;u.b.warn("playback not stuck anymore @"+a+", after "+Math.round(v)+"ms"),this.stallReported=!1}this.stalled=null,this.nudgeRetry=0}},t.seekWithinToleranceIfNeeded=function(){var e=this.media,t=e?e.currentTime:void 0,r=this.config.maxFragLookUpTolerance,i=H.getBufferedPosWithinTolerance(e,t,r);return t!==i&&(u.b.log("seeking to position within maxFragLookUpTolerance - "+i),e.currentTime=i,!0)},t._tryFixBufferStall=function(e,t){var r=this.config,i=this.fragmentTracker,a=this.media.currentTime,n=i.getPartialFragment(a);if(n&&this._trySkipBufferHole(n))return;e.len>r.maxBufferHole&&t>1e3*r.highBufferWatchdogPeriod&&(u.b.warn("Trying to nudge playhead over buffer-hole"),this.stalled=null,this._tryNudgeBuffer())},t._reportStall=function(e){var t=this.hls,r=this.media;this.stallReported||(this.stallReported=!0,u.b.warn("Playback stalling at @"+r.currentTime+" due to low buffer"),t.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_STALLED_ERROR,fatal:!1,buffer:e}))},t._trySkipBufferHole=function(e){for(var t=this.config,r=this.hls,i=this.media,a=i.currentTime,n=0,s=0;s<i.buffered.length;s++){var l=i.buffered.start(s);if(a+t.maxBufferHole>=n&&a<l){var c=Math.max(l+.05,i.currentTime+.1);return u.b.warn("skipping hole, adjusting currentTime from "+a+" to "+c),this.moved=!0,this.stalled=null,i.currentTime=c,e&&r.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_SEEK_OVER_HOLE,fatal:!1,reason:"fragment loaded with buffer holes, seeking from "+a+" to "+c,frag:e}),c}n=i.buffered.end(s)}return 0},t._tryNudgeBuffer=function(){var e=this.config,t=this.hls,r=this.media,i=r.currentTime,a=(this.nudgeRetry||0)+1;if(this.nudgeRetry=a,a<e.nudgeMaxRetry){var n=i+a*e.nudgeOffset;u.b.warn("Nudging 'currentTime' from "+i+" to "+n),r.currentTime=n,t.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_NUDGE_ON_STALL,fatal:!1})}else u.b.error("Playhead still not moving while enough data buffered @"+i+" after "+e.nudgeMaxRetry+" nudges"),t.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_STALLED_ERROR,fatal:!0})},e}();function fe(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}var ge=function(e){var t,r;function i(t){for(var r,i=arguments.length,a=new Array(i>1?i-1:0),n=1;n<i;n++)a[n-1]=arguments[n];return(r=e.call.apply(e,[this,t].concat(a))||this)._boundTick=void 0,r._tickTimer=null,r._tickInterval=null,r._tickCallCount=0,r._boundTick=r.tick.bind(fe(r)),r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.onHandlerDestroying=function(){this.clearNextTick(),this.clearInterval()},a.hasInterval=function(){return!!this._tickInterval},a.hasNextTick=function(){return!!this._tickTimer},a.setInterval=function(e){return!this._tickInterval&&(this._tickInterval=self.setInterval(this._boundTick,e),!0)},a.clearInterval=function(){return!!this._tickInterval&&(self.clearInterval(this._tickInterval),this._tickInterval=null,!0)},a.clearNextTick=function(){return!!this._tickTimer&&(self.clearTimeout(this._tickTimer),this._tickTimer=null,!0)},a.tick=function(){this._tickCallCount++,1===this._tickCallCount&&(this.doTick(),this._tickCallCount>1&&(this.clearNextTick(),this._tickTimer=self.setTimeout(this._boundTick,0)),this._tickCallCount=0)},a.doTick=function(){},i}(h);var pe="STOPPED",ve="STARTING",me="IDLE",ye="PAUSED",be="KEY_LOADING",Te="FRAG_LOADING",Ee="FRAG_LOADING_WAITING_RETRY",Se="WAITING_TRACK",_e="PARSING",Ae="PARSED",Re="BUFFER_FLUSHING",ke="ENDED",we="ERROR",Le="WAITING_INIT_PTS",De="WAITING_LEVEL",Oe=function(e){var t,r;function i(){return e.apply(this,arguments)||this}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.doTick=function(){},a.startLoad=function(){},a.stopLoad=function(){var e=this.fragCurrent;e&&(e.loader&&e.loader.abort(),this.fragmentTracker.removeFragment(e)),this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.fragCurrent=null,this.fragPrevious=null,this.clearInterval(),this.clearNextTick(),this.state=pe},a._streamEnded=function(e,t){var r=this.fragCurrent,i=this.fragmentTracker;if(!t.live&&r&&!r.backtracked&&r.sn===t.endSN&&!e.nextStart){var a=i.getState(r);return a===B||a===G}return!1},a.onMediaSeeking=function(){var e=this.config,t=this.media,r=this.mediaBuffer,i=this.state,a=t?t.currentTime:null,n=H.bufferInfo(r||t,a,this.config.maxBufferHole);if(Object(l.a)(a)&&u.b.log("media seeking to "+a.toFixed(3)),i===Te){var s=this.fragCurrent;if(0===n.len&&s){var o=e.maxFragLookUpTolerance,d=s.start-o,c=s.start+s.duration+o;a<d||a>c?(s.loader&&(u.b.log("seeking outside of buffer while fragment load in progress, cancel fragment load"),s.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.state=me):u.b.log("seeking outside of buffer but within currently loaded fragment range")}}else i===ke&&(0===n.len&&(this.fragPrevious=null,this.fragCurrent=null),this.state=me);t&&(this.lastCurrentTime=a),this.loadedmetadata||(this.nextLoadPosition=this.startPosition=a),this.tick()},a.onMediaEnded=function(){this.startPosition=this.lastCurrentTime=0},a.onHandlerDestroying=function(){this.stopLoad(),e.prototype.onHandlerDestroying.call(this)},a.onHandlerDestroyed=function(){this.state=pe,this.fragmentTracker=null},a.computeLivePosition=function(e,t){var r=void 0!==this.config.liveSyncDuration?this.config.liveSyncDuration:this.config.liveSyncDurationCount*t.targetduration;return e+Math.max(0,t.totalduration-r)},i}(ge);function Ce(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var Ie=function(e){var t,r;function i(t,r){var i;return(i=e.call(this,t,d.a.MEDIA_ATTACHED,d.a.MEDIA_DETACHING,d.a.MANIFEST_LOADING,d.a.MANIFEST_PARSED,d.a.LEVEL_LOADED,d.a.KEY_LOADED,d.a.FRAG_LOADED,d.a.FRAG_LOAD_EMERGENCY_ABORTED,d.a.FRAG_PARSING_INIT_SEGMENT,d.a.FRAG_PARSING_DATA,d.a.FRAG_PARSED,d.a.ERROR,d.a.AUDIO_TRACK_SWITCHING,d.a.AUDIO_TRACK_SWITCHED,d.a.BUFFER_CREATED,d.a.BUFFER_APPENDED,d.a.BUFFER_FLUSHED)||this).fragmentTracker=r,i.config=t.config,i.audioCodecSwap=!1,i._state=pe,i.stallReported=!1,i.gapController=null,i.altAudio=!1,i}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,s,c,h=i.prototype;return h.startLoad=function(e){if(this.levels){var t=this.lastCurrentTime,r=this.hls;if(this.stopLoad(),this.setInterval(100),this.level=-1,this.fragLoadError=0,!this.startFragRequested){var i=r.startLevel;-1===i&&(i=0,this.bitrateTest=!0),this.level=r.nextLoadLevel=i,this.loadedmetadata=!1}t>0&&-1===e&&(u.b.log("override startPosition with lastCurrentTime @"+t.toFixed(3)),e=t),this.state=me,this.nextLoadPosition=this.startPosition=this.lastCurrentTime=e,this.tick()}else this.forceStartLoad=!0,this.state=pe},h.stopLoad=function(){this.forceStartLoad=!1,e.prototype.stopLoad.call(this)},h.doTick=function(){switch(this.state){case Re:this.fragLoadError=0;break;case me:this._doTickIdle();break;case De:var e=this.levels[this.level];e&&e.details&&(this.state=me);break;case Ee:var t=window.performance.now(),r=this.retryDate;(!r||t>=r||this.media&&this.media.seeking)&&(u.b.log("mediaController: retryDate reached, switch back to IDLE state"),this.state=me)}this._checkBuffer(),this._checkFragmentChanged()},h._doTickIdle=function(){var e=this.hls,t=e.config,r=this.media;if(void 0!==this.levelLastLoaded&&(r||!this.startFragRequested&&t.startFragPrefetch)){var i;i=this.loadedmetadata?r.currentTime:this.nextLoadPosition;var a=e.nextLoadLevel,n=this.levels[a];if(n){var s,o=n.bitrate;s=o?Math.max(8*t.maxBufferSize/o,t.maxBufferLength):t.maxBufferLength,s=Math.min(s,t.maxMaxBufferLength);var l=H.bufferInfo(this.mediaBuffer?this.mediaBuffer:r,i,t.maxBufferHole),c=l.len;if(!(c>=s)){u.b.trace("buffer length of "+c.toFixed(3)+" is below max of "+s.toFixed(3)+". checking for more payload ..."),this.level=e.nextLoadLevel=a;var h=n.details;if(!h||h.live&&this.levelLastLoaded!==a)this.state=De;else{if(this._streamEnded(l,h)){var f={};return this.altAudio&&(f.type="video"),this.hls.trigger(d.a.BUFFER_EOS,f),void(this.state=ke)}this._fetchPayloadOrEos(i,l,h)}}}}},h._fetchPayloadOrEos=function(e,t,r){var i=this.fragPrevious,a=this.level,n=r.fragments,s=n.length;if(0!==s){var o,l=n[0].start,d=n[s-1].start+n[s-1].duration,c=t.end;if(r.initSegment&&!r.initSegment.data)o=r.initSegment;else if(r.live){var h=this.config.initialLiveManifestSize;if(s<h)return void u.b.warn("Can not start playback of a level, reason: not enough fragments "+s+" < "+h);if(null===(o=this._ensureFragmentAtLivePoint(r,c,l,d,i,n,s)))return}else c<l&&(o=n[0]);o||(o=this._findFragment(l,i,s,n,c,d,r)),o&&(o.encrypted?(u.b.log("Loading key for "+o.sn+" of ["+r.startSN+" ,"+r.endSN+"],level "+a),this._loadKey(o)):(u.b.log("Loading "+o.sn+" of ["+r.startSN+" ,"+r.endSN+"],level "+a+", currentTime:"+e.toFixed(3)+",bufferEnd:"+c.toFixed(3)),this._loadFragment(o)))}},h._ensureFragmentAtLivePoint=function(e,t,r,i,a,n,s){var o,l=this.hls.config,d=this.media,c=void 0!==l.liveMaxLatencyDuration?l.liveMaxLatencyDuration:l.liveMaxLatencyDurationCount*e.targetduration;if(t<Math.max(r-l.maxFragLookUpTolerance,i-c)){var h=this.liveSyncPosition=this.computeLivePosition(r,e);t=h,d&&!d.paused&&d.readyState&&d.duration>h&&h>d.currentTime&&(u.b.log("buffer end: "+t.toFixed(3)+" is located too far from the end of live sliding playlist, reset currentTime to : "+h.toFixed(3)),d.currentTime=h),this.nextLoadPosition=h}if(e.PTSKnown&&t>i&&d&&d.readyState)return null;if(this.startFragRequested&&!e.PTSKnown){if(a)if(e.hasProgramDateTime)u.b.log("live playlist, switching playlist, load frag with same PDT: "+a.programDateTime),o=le(n,a.endProgramDateTime,l.maxFragLookUpTolerance);else{var f=a.sn+1;if(f>=e.startSN&&f<=e.endSN){var g=n[f-e.startSN];a.cc===g.cc&&(o=g,u.b.log("live playlist, switching playlist, load frag with next SN: "+o.sn))}o||(o=j.search(n,(function(e){return a.cc-e.cc})))&&u.b.log("live playlist, switching playlist, load frag with same CC: "+o.sn)}o||(o=n[Math.min(s-1,Math.round(s/2))],u.b.log("live playlist, switching playlist, unknown, load middle frag : "+o.sn))}return o},h._findFragment=function(e,t,r,i,a,n,s){var o,l=this.hls.config;a<n?o=de(t,i,a,a>n-l.maxFragLookUpTolerance?0:l.maxFragLookUpTolerance):o=i[r-1];if(o){var d=o.sn-s.startSN,c=t&&o.level===t.level,h=i[d-1],f=i[d+1];if(t&&o.sn===t.sn)if(c&&!o.backtracked)if(o.sn<s.endSN){var g=t.deltaPTS;g&&g>l.maxBufferHole&&t.dropped&&d?(o=h,u.b.warn("Previous fragment was dropped with large PTS gap between audio and video. Maybe fragment is not starting with a keyframe? Loading previous one to try to overcome this")):(o=f,u.b.log("Re-loading fragment with SN: "+o.sn))}else o=null;else o.backtracked&&(f&&f.backtracked?(u.b.warn("Already backtracked from fragment "+f.sn+", will not backtrack to fragment "+o.sn+". Loading fragment "+f.sn),o=f):(u.b.warn("Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe"),o.dropped=0,h?(o=h).backtracked=!0:d&&(o=null)))}return o},h._loadKey=function(e){this.state=be,this.hls.trigger(d.a.KEY_LOADING,{frag:e})},h._loadFragment=function(e){var t=this.fragmentTracker.getState(e);this.fragCurrent=e,"initSegment"!==e.sn&&(this.startFragRequested=!0),Object(l.a)(e.sn)&&!e.bitrateTest&&(this.nextLoadPosition=e.start+e.duration),e.backtracked||t===U||t===B?(e.autoLevel=this.hls.autoLevelEnabled,e.bitrateTest=this.bitrateTest,this.hls.trigger(d.a.FRAG_LOADING,{frag:e}),this.demuxer||(this.demuxer=new J(this.hls,"main")),this.state=Te):t===N&&this._reduceMaxBufferLength(e.duration)&&this.fragmentTracker.removeFragment(e)},h.getBufferedFrag=function(e){return this.fragmentTracker.getBufferedFrag(e,n.MAIN)},h.followingBufferedFrag=function(e){return e?this.getBufferedFrag(e.endPTS+.5):null},h._checkFragmentChanged=function(){var e,t,r=this.media;if(r&&r.readyState&&!1===r.seeking&&((t=r.currentTime)>this.lastCurrentTime&&(this.lastCurrentTime=t),H.isBuffered(r,t)?e=this.getBufferedFrag(t):H.isBuffered(r,t+.1)&&(e=this.getBufferedFrag(t+.1)),e)){var i=e;if(i!==this.fragPlaying){this.hls.trigger(d.a.FRAG_CHANGED,{frag:i});var a=i.level;this.fragPlaying&&this.fragPlaying.level===a||this.hls.trigger(d.a.LEVEL_SWITCHED,{level:a}),this.fragPlaying=i}}},h.immediateLevelSwitch=function(){if(u.b.log("immediateLevelSwitch"),!this.immediateSwitch){this.immediateSwitch=!0;var e,t=this.media;t?(e=t.paused,t.pause()):e=!0,this.previouslyPaused=e}var r=this.fragCurrent;r&&r.loader&&r.loader.abort(),this.fragCurrent=null,this.flushMainBuffer(0,Number.POSITIVE_INFINITY)},h.immediateLevelSwitchEnd=function(){var e=this.media;e&&e.buffered.length&&(this.immediateSwitch=!1,H.isBuffered(e,e.currentTime)&&(e.currentTime-=1e-4),this.previouslyPaused||e.play())},h.nextLevelSwitch=function(){var e=this.media;if(e&&e.readyState){var t,r,i;if((r=this.getBufferedFrag(e.currentTime))&&r.startPTS>1&&this.flushMainBuffer(0,r.startPTS-1),e.paused)t=0;else{var a=this.hls.nextLoadLevel,n=this.levels[a],s=this.fragLastKbps;t=s&&this.fragCurrent?this.fragCurrent.duration*n.bitrate/(1e3*s)+1:0}if((i=this.getBufferedFrag(e.currentTime+t))&&(i=this.followingBufferedFrag(i))){var o=this.fragCurrent;o&&o.loader&&o.loader.abort(),this.fragCurrent=null,this.flushMainBuffer(i.maxStartPTS,Number.POSITIVE_INFINITY)}}},h.flushMainBuffer=function(e,t){this.state=Re;var r={startOffset:e,endOffset:t};this.altAudio&&(r.type="video"),this.hls.trigger(d.a.BUFFER_FLUSHING,r)},h.onMediaAttached=function(e){var t=this.media=this.mediaBuffer=e.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvseeked=this.onMediaSeeked.bind(this),this.onvended=this.onMediaEnded.bind(this),t.addEventListener("seeking",this.onvseeking),t.addEventListener("seeked",this.onvseeked),t.addEventListener("ended",this.onvended);var r=this.config;this.levels&&r.autoStartLoad&&this.hls.startLoad(r.startPosition),this.gapController=new he(r,t,this.fragmentTracker,this.hls)},h.onMediaDetaching=function(){var e=this.media;e&&e.ended&&(u.b.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0);var t=this.levels;t&&t.forEach((function(e){e.details&&e.details.fragments.forEach((function(e){e.backtracked=void 0}))})),e&&(e.removeEventListener("seeking",this.onvseeking),e.removeEventListener("seeked",this.onvseeked),e.removeEventListener("ended",this.onvended),this.onvseeking=this.onvseeked=this.onvended=null),this.fragmentTracker.removeAllFragments(),this.media=this.mediaBuffer=null,this.loadedmetadata=!1,this.stopLoad()},h.onMediaSeeked=function(){var e=this.media,t=e?e.currentTime:void 0;this.config.seekWithinTolerance&&this.gapController.seekWithinToleranceIfNeeded()||this.hls.trigger(d.a.CAN_PLAY_AFTER_SEEK),Object(l.a)(t)&&u.b.log("media seeked to "+t.toFixed(3)),this.tick()},h.onManifestLoading=function(){u.b.log("trigger BUFFER_RESET"),this.hls.trigger(d.a.BUFFER_RESET),this.fragmentTracker.removeAllFragments(),this.stalled=!1,this.startPosition=this.lastCurrentTime=0},h.onManifestParsed=function(e){var t,r=!1,i=!1;e.levels.forEach((function(e){(t=e.audioCodec)&&(-1!==t.indexOf("mp4a.40.2")&&(r=!0),-1!==t.indexOf("mp4a.40.5")&&(i=!0))})),this.audioCodecSwitch=r&&i,this.audioCodecSwitch&&u.b.log("both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC"),this.altAudio=e.altAudio,this.levels=e.levels,this.startFragRequested=!1;var a=this.config;(a.autoStartLoad||this.forceStartLoad)&&this.hls.startLoad(a.startPosition)},h.onLevelLoaded=function(e){var t=e.details,r=e.level,i=this.levels[this.levelLastLoaded],a=this.levels[r],n=t.totalduration,s=0;if(u.b.log("level "+r+" loaded ["+t.startSN+","+t.endSN+"],duration:"+n),t.live){var o=a.details;o&&t.fragments.length>0?(re(o,t),s=t.fragments[0].start,this.liveSyncPosition=this.computeLivePosition(s,o),t.PTSKnown&&Object(l.a)(s)?u.b.log("live playlist sliding:"+s.toFixed(3)):(u.b.log("live playlist - outdated PTS, unknown sliding"),oe(this.fragPrevious,i,t))):(u.b.log("live playlist - first load, unknown sliding"),t.PTSKnown=!1,oe(this.fragPrevious,i,t))}else t.PTSKnown=!1;if(a.details=t,this.levelLastLoaded=r,this.hls.trigger(d.a.LEVEL_UPDATED,{details:t,level:r}),!1===this.startFragRequested){if(-1===this.startPosition||-1===this.lastCurrentTime){var c=t.startTimeOffset;Object(l.a)(c)?(c<0&&(u.b.log("negative start time offset "+c+", count from end of last fragment"),c=s+n+c),u.b.log("start time offset found in playlist, adjust startPosition to "+c),this.startPosition=c):t.live?(this.startPosition=this.computeLivePosition(s,t),u.b.log("configure startPosition to "+this.startPosition)):this.startPosition=0,this.lastCurrentTime=this.startPosition}this.nextLoadPosition=this.startPosition}this.state===De&&(this.state=me),this.tick()},h.onKeyLoaded=function(){this.state===be&&(this.state=me,this.tick())},h.onFragLoaded=function(e){var t=this.fragCurrent,r=this.hls,i=this.levels,a=this.media,n=e.frag;if(this.state===Te&&t&&"main"===n.type&&n.level===t.level&&n.sn===t.sn){var s=e.stats,o=i[t.level],l=o.details;if(this.bitrateTest=!1,this.stats=s,u.b.log("Loaded "+t.sn+" of ["+l.startSN+" ,"+l.endSN+"],level "+t.level),n.bitrateTest&&r.nextLoadLevel)this.state=me,this.startFragRequested=!1,s.tparsed=s.tbuffered=window.performance.now(),r.trigger(d.a.FRAG_BUFFERED,{stats:s,frag:t,id:"main"}),this.tick();else if("initSegment"===n.sn)this.state=me,s.tparsed=s.tbuffered=window.performance.now(),l.initSegment.data=e.payload,r.trigger(d.a.FRAG_BUFFERED,{stats:s,frag:t,id:"main"}),this.tick();else{u.b.log("Parsing "+t.sn+" of ["+l.startSN+" ,"+l.endSN+"],level "+t.level+", cc "+t.cc),this.state=_e,this.pendingBuffering=!0,this.appended=!1,n.bitrateTest&&(n.bitrateTest=!1,this.fragmentTracker.onFragLoaded({frag:n}));var c=!(a&&a.seeking)&&(l.PTSKnown||!l.live),h=l.initSegment?l.initSegment.data:[],f=this._getAudioCodec(o);(this.demuxer=this.demuxer||new J(this.hls,"main")).push(e.payload,h,f,o.videoCodec,t,l.totalduration,c)}}this.fragLoadError=0},h.onFragParsingInitSegment=function(e){var t=this.fragCurrent,r=e.frag;if(t&&"main"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===_e){var i,a,n=e.tracks;if(n.audio&&this.altAudio&&delete n.audio,a=n.audio){var s=this.levels[this.level].audioCodec,o=navigator.userAgent.toLowerCase();s&&this.audioCodecSwap&&(u.b.log("swapping playlist audio codec"),s=-1!==s.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5"),this.audioCodecSwitch&&1!==a.metadata.channelCount&&-1===o.indexOf("firefox")&&(s="mp4a.40.5"),-1!==o.indexOf("android")&&"audio/mpeg"!==a.container&&(s="mp4a.40.2",u.b.log("Android: force audio codec to "+s)),a.levelCodec=s,a.id=e.id}for(i in(a=n.video)&&(a.levelCodec=this.levels[this.level].videoCodec,a.id=e.id),this.hls.trigger(d.a.BUFFER_CODECS,n),n){a=n[i],u.b.log("main track:"+i+",container:"+a.container+",codecs[level/parsed]=["+a.levelCodec+"/"+a.codec+"]");var l=a.initSegment;l&&(this.appended=!0,this.pendingBuffering=!0,this.hls.trigger(d.a.BUFFER_APPENDING,{type:i,data:l,parent:"main",content:"initSegment"}))}this.tick()}},h.onFragParsingData=function(e){var t=this,r=this.fragCurrent,i=e.frag;if(r&&"main"===e.id&&i.sn===r.sn&&i.level===r.level&&("audio"!==e.type||!this.altAudio)&&this.state===_e){var a=this.levels[this.level],n=r;if(Object(l.a)(e.endPTS)||(e.endPTS=e.startPTS+r.duration,e.endDTS=e.startDTS+r.duration),!0===e.hasAudio&&n.addElementaryStream(p.AUDIO),!0===e.hasVideo&&n.addElementaryStream(p.VIDEO),u.b.log("Parsed "+e.type+",PTS:["+e.startPTS.toFixed(3)+","+e.endPTS.toFixed(3)+"],DTS:["+e.startDTS.toFixed(3)+"/"+e.endDTS.toFixed(3)+"],nb:"+e.nb+",dropped:"+(e.dropped||0)),"video"===e.type)if(n.dropped=e.dropped,n.dropped)if(n.backtracked)u.b.warn("Already backtracked on this fragment, appending with the gap",n.sn);else{var s=a.details;if(!s||n.sn!==s.startSN)return u.b.warn("missing video frame(s), backtracking fragment",n.sn),this.fragmentTracker.removeFragment(n),n.backtracked=!0,this.nextLoadPosition=e.startPTS,this.state=me,this.fragPrevious=n,void this.tick();u.b.warn("missing video frame(s) on first frag, appending with gap",n.sn)}else n.backtracked=!1;var o=te(a.details,n,e.startPTS,e.endPTS,e.startDTS,e.endDTS),c=this.hls;c.trigger(d.a.LEVEL_PTS_UPDATED,{details:a.details,level:this.level,drift:o,type:e.type,start:e.startPTS,end:e.endPTS}),[e.data1,e.data2].forEach((function(r){r&&r.length&&t.state===_e&&(t.appended=!0,t.pendingBuffering=!0,c.trigger(d.a.BUFFER_APPENDING,{type:e.type,data:r,parent:"main",content:"data"}))})),this.tick()}},h.onFragParsed=function(e){var t=this.fragCurrent,r=e.frag;t&&"main"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===_e&&(this.stats.tparsed=window.performance.now(),this.state=Ae,this._checkAppendedParsed())},h.onAudioTrackSwitching=function(e){var t=!!e.url,r=e.id;if(!t){if(this.mediaBuffer!==this.media){u.b.log("switching on main audio, use media.buffered to schedule main fragment loading"),this.mediaBuffer=this.media;var i=this.fragCurrent;i.loader&&(u.b.log("switching to main audio track, cancel main fragment load"),i.loader.abort()),this.fragCurrent=null,this.fragPrevious=null,this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),this.state=me}var a=this.hls;a.trigger(d.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),a.trigger(d.a.AUDIO_TRACK_SWITCHED,{id:r}),this.altAudio=!1}},h.onAudioTrackSwitched=function(e){var t=e.id,r=!!this.hls.audioTracks[t].url;if(r){var i=this.videoBuffer;i&&this.mediaBuffer!==i&&(u.b.log("switching on alternate audio, use video.buffered to schedule main fragment loading"),this.mediaBuffer=i)}this.altAudio=r,this.tick()},h.onBufferCreated=function(e){var t,r,i=e.tracks,a=!1;for(var n in i){var s=i[n];"main"===s.id?(r=n,t=s,"video"===n&&(this.videoBuffer=i[n].buffer)):a=!0}a&&t?(u.b.log("alternate track found, use "+r+".buffered to schedule main fragment loading"),this.mediaBuffer=t.buffer):this.mediaBuffer=this.media},h.onBufferAppended=function(e){if("main"===e.parent){var t=this.state;t!==_e&&t!==Ae||(this.pendingBuffering=e.pending>0,this._checkAppendedParsed())}},h._checkAppendedParsed=function(){if(!(this.state!==Ae||this.appended&&this.pendingBuffering)){var e=this.fragCurrent;if(e){var t=this.mediaBuffer?this.mediaBuffer:this.media;u.b.log("main buffered : "+ne.toString(t.buffered)),this.fragPrevious=e;var r=this.stats;r.tbuffered=window.performance.now(),this.fragLastKbps=Math.round(8*r.total/(r.tbuffered-r.tfirst)),this.hls.trigger(d.a.FRAG_BUFFERED,{stats:r,frag:e,id:"main"}),this.state=me}this.tick()}},h.onError=function(e){var t=e.frag||this.fragCurrent;if(!t||"main"===t.type){var r=!!this.media&&H.isBuffered(this.media,this.media.currentTime)&&H.isBuffered(this.media,this.media.currentTime+.5);switch(e.details){case o.a.FRAG_LOAD_ERROR:case o.a.FRAG_LOAD_TIMEOUT:case o.a.KEY_LOAD_ERROR:case o.a.KEY_LOAD_TIMEOUT:if(!e.fatal)if(this.fragLoadError+1<=this.config.fragLoadingMaxRetry){var i=Math.min(Math.pow(2,this.fragLoadError)*this.config.fragLoadingRetryDelay,this.config.fragLoadingMaxRetryTimeout);u.b.warn("mediaController: frag loading failed, retry in "+i+" ms"),this.retryDate=window.performance.now()+i,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.fragLoadError++,this.state=Ee}else u.b.error("mediaController: "+e.details+" reaches max retry, redispatch as fatal ..."),e.fatal=!0,this.state=we;break;case o.a.LEVEL_LOAD_ERROR:case o.a.LEVEL_LOAD_TIMEOUT:this.state!==we&&(e.fatal?(this.state=we,u.b.warn("streamController: "+e.details+",switch to "+this.state+" state ...")):e.levelRetry||this.state!==De||(this.state=me));break;case o.a.BUFFER_FULL_ERROR:"main"!==e.parent||this.state!==_e&&this.state!==Ae||(r?(this._reduceMaxBufferLength(this.config.maxBufferLength),this.state=me):(u.b.warn("buffer full error also media.currentTime is not buffered, flush everything"),this.fragCurrent=null,this.flushMainBuffer(0,Number.POSITIVE_INFINITY)))}}},h._reduceMaxBufferLength=function(e){var t=this.config;return t.maxMaxBufferLength>=e&&(t.maxMaxBufferLength/=2,u.b.warn("main:reduce max buffer length to "+t.maxMaxBufferLength+"s"),!0)},h._checkBuffer=function(){var e=this.media;if(e&&0!==e.readyState){var t=(this.mediaBuffer?this.mediaBuffer:e).buffered;!this.loadedmetadata&&t.length?(this.loadedmetadata=!0,this._seekToStartPos()):this.immediateSwitch?this.immediateLevelSwitchEnd():this.gapController.poll(this.lastCurrentTime,t)}},h.onFragLoadEmergencyAborted=function(){this.state=me,this.loadedmetadata||(this.startFragRequested=!1,this.nextLoadPosition=this.startPosition),this.tick()},h.onBufferFlushed=function(){var e=this.mediaBuffer?this.mediaBuffer:this.media;e&&this.fragmentTracker.detectEvictedFragments(p.VIDEO,e.buffered),this.state=me,this.fragPrevious=null},h.swapAudioCodec=function(){this.audioCodecSwap=!this.audioCodecSwap},h._seekToStartPos=function(){var e=this.media,t=e.currentTime,r=e.seeking?t:this.startPosition;t!==r&&r>=0&&(u.b.log("target start position not buffered, seek to buffered.start(0) "+r+" from current time "+t+" "),e.currentTime=r)},h._getAudioCodec=function(e){var t=this.config.defaultAudioCodec||e.audioCodec;return this.audioCodecSwap&&(u.b.log("swapping playlist audio codec"),t&&(t=-1!==t.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5")),t},a=i,(s=[{key:"state",set:function(e){if(this.state!==e){var t=this.state;this._state=e,u.b.log("main stream-controller: "+t+"->"+e),this.hls.trigger(d.a.STREAM_STATE_TRANSITION,{previousState:t,nextState:e})}},get:function(){return this._state}},{key:"currentLevel",get:function(){var e=this.media;if(e){var t=this.getBufferedFrag(e.currentTime);if(t)return t.level}return-1}},{key:"nextBufferedFrag",get:function(){var e=this.media;return e?this.followingBufferedFrag(this.getBufferedFrag(e.currentTime)):null}},{key:"nextLevel",get:function(){var e=this.nextBufferedFrag;return e?e.level:-1}},{key:"liveSyncPosition",get:function(){return this._liveSyncPosition},set:function(e){this._liveSyncPosition=e}}])&&Ce(a.prototype,s),c&&Ce(a,c),i}(Oe);function Pe(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}window.performance;var xe,Me=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.MANIFEST_LOADED,d.a.LEVEL_LOADED,d.a.AUDIO_TRACK_SWITCHED,d.a.FRAG_LOADED,d.a.ERROR)||this).canload=!1,r.currentLevelIndex=null,r.manualLevelIndex=-1,r.timer=null,xe=/chrome|firefox/.test(navigator.userAgent.toLowerCase()),r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,l=i.prototype;return l.onHandlerDestroying=function(){this.clearTimer(),this.manualLevelIndex=-1},l.clearTimer=function(){null!==this.timer&&(clearTimeout(this.timer),this.timer=null)},l.startLoad=function(){var e=this._levels;this.canload=!0,this.levelRetryCount=0,e&&e.forEach((function(e){e.loadError=0;var t=e.details;t&&t.live&&(e.details=void 0)})),null!==this.timer&&this.loadLevel()},l.stopLoad=function(){this.canload=!1},l.onManifestLoaded=function(e){var t,r=[],i=[],a={},n=null,s=!1,l=!1;if(e.levels.forEach((function(e){var t=e.attrs;e.loadError=0,e.fragmentError=!1,s=s||!!e.videoCodec,l=l||!!e.audioCodec,xe&&e.audioCodec&&-1!==e.audioCodec.indexOf("mp4a.40.34")&&(e.audioCodec=void 0),(n=a[e.bitrate])?n.url.push(e.url):(e.url=[e.url],e.urlId=0,a[e.bitrate]=e,r.push(e)),t&&(t.AUDIO&&(l=!0,Z(n||e,"audio",t.AUDIO)),t.SUBTITLES&&Z(n||e,"text",t.SUBTITLES))})),s&&l&&(r=r.filter((function(e){return!!e.videoCodec}))),r=r.filter((function(e){var t=e.audioCodec,r=e.videoCodec;return(!t||R(t,"audio"))&&(!r||R(r,"video"))})),e.audioTracks&&(i=e.audioTracks.filter((function(e){return!e.audioCodec||R(e.audioCodec,"audio")}))).forEach((function(e,t){e.id=t})),r.length>0){t=r[0].bitrate,r.sort((function(e,t){return e.bitrate-t.bitrate})),this._levels=r;for(var c=0;c<r.length;c++)if(r[c].bitrate===t){this._firstLevel=c,u.b.log("manifest loaded,"+r.length+" level(s) found, first bitrate:"+t);break}this.hls.trigger(d.a.MANIFEST_PARSED,{levels:r,audioTracks:i,firstLevel:this._firstLevel,stats:e.stats,audio:l,video:s,altAudio:i.some((function(e){return!!e.url}))})}else this.hls.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.MANIFEST_INCOMPATIBLE_CODECS_ERROR,fatal:!0,url:this.hls.url,reason:"no level with compatible codecs found in manifest"})},l.setLevelInternal=function(e){var t=this._levels,r=this.hls;if(e>=0&&e<t.length){if(this.clearTimer(),this.currentLevelIndex!==e){u.b.log("switching to level "+e),this.currentLevelIndex=e;var i=t[e];i.level=e,r.trigger(d.a.LEVEL_SWITCHING,i)}var a=t[e],n=a.details;if(!n||n.live){var s=a.urlId;r.trigger(d.a.LEVEL_LOADING,{url:a.url[s],level:e,id:s})}}else r.trigger(d.a.ERROR,{type:o.b.OTHER_ERROR,details:o.a.LEVEL_SWITCH_ERROR,level:e,fatal:!1,reason:"invalid level idx"})},l.onError=function(e){if(e.fatal)e.type===o.b.NETWORK_ERROR&&this.clearTimer();else{var t,r=!1,i=!1;switch(e.details){case o.a.FRAG_LOAD_ERROR:case o.a.FRAG_LOAD_TIMEOUT:case o.a.KEY_LOAD_ERROR:case o.a.KEY_LOAD_TIMEOUT:t=e.frag.level,i=!0;break;case o.a.LEVEL_LOAD_ERROR:case o.a.LEVEL_LOAD_TIMEOUT:t=e.context.level,r=!0;break;case o.a.REMUX_ALLOC_ERROR:t=e.level,r=!0}void 0!==t&&this.recoverLevel(e,t,r,i)}},l.recoverLevel=function(e,t,r,i){var a,n,s,o=this,l=this.hls.config,d=e.details,c=this._levels[t];if(c.loadError++,c.fragmentError=i,r){if(!(this.levelRetryCount+1<=l.levelLoadingMaxRetry))return u.b.error("level controller, cannot recover from "+d+" error"),this.currentLevelIndex=null,this.clearTimer(),void(e.fatal=!0);n=Math.min(Math.pow(2,this.levelRetryCount)*l.levelLoadingRetryDelay,l.levelLoadingMaxRetryTimeout),this.timer=setTimeout((function(){return o.loadLevel()}),n),e.levelRetry=!0,this.levelRetryCount++,u.b.warn("level controller, "+d+", retry in "+n+" ms, current retry count is "+this.levelRetryCount)}(r||i)&&((a=c.url.length)>1&&c.loadError<a?(c.urlId=(c.urlId+1)%a,c.details=void 0,u.b.warn("level controller, "+d+" for level "+t+": switching to redundant URL-id "+c.urlId)):-1===this.manualLevelIndex?(s=0===t?this._levels.length-1:t-1,u.b.warn("level controller, "+d+": switch to "+s),this.hls.nextAutoLevel=this.currentLevelIndex=s):i&&(u.b.warn("level controller, "+d+": reload a fragment"),this.currentLevelIndex=null))},l.onFragLoaded=function(e){var t=e.frag;if(void 0!==t&&"main"===t.type){var r=this._levels[t.level];void 0!==r&&(r.fragmentError=!1,r.loadError=0,this.levelRetryCount=0)}},l.onLevelLoaded=function(e){var t=this,r=e.level,i=e.details;if(r===this.currentLevelIndex){var a=this._levels[r];if(a.fragmentError||(a.loadError=0,this.levelRetryCount=0),i.live){var n=ae(a.details,i,e.stats.trequest);u.b.log("live playlist, reload in "+Math.round(n)+" ms"),this.timer=setTimeout((function(){return t.loadLevel()}),n)}else this.clearTimer()}},l.onAudioTrackSwitched=function(e){var t=this.hls.audioTracks[e.id].groupId,r=this.hls.levels[this.currentLevelIndex];if(r&&r.audioGroupIds){for(var i=-1,a=0;a<r.audioGroupIds.length;a++)if(r.audioGroupIds[a]===t){i=a;break}i!==r.urlId&&(r.urlId=i,this.startLoad())}},l.loadLevel=function(){if(u.b.debug("call to loadLevel"),null!==this.currentLevelIndex&&this.canload){var e=this._levels[this.currentLevelIndex];if("object"==typeof e&&e.url.length>0){var t=this.currentLevelIndex,r=e.urlId,i=e.url[r];u.b.log("Attempt loading level index "+t+" with URL-id "+r),this.hls.trigger(d.a.LEVEL_LOADING,{url:i,level:t,id:r})}}},a=i,(n=[{key:"levels",get:function(){return this._levels}},{key:"level",get:function(){return this.currentLevelIndex},set:function(e){var t=this._levels;t&&(e=Math.min(e,t.length-1),this.currentLevelIndex===e&&t[e].details||this.setLevelInternal(e))}},{key:"manualLevel",get:function(){return this.manualLevelIndex},set:function(e){this.manualLevelIndex=e,void 0===this._startLevel&&(this._startLevel=e),-1!==e&&(this.level=e)}},{key:"firstLevel",get:function(){return this._firstLevel},set:function(e){this._firstLevel=e}},{key:"startLevel",get:function(){if(void 0===this._startLevel){var e=this.hls.config.startLevel;return void 0!==e?e:this._firstLevel}return this._startLevel},set:function(e){this._startLevel=e}},{key:"nextLoadLevel",get:function(){return-1!==this.manualLevelIndex?this.manualLevelIndex:this.hls.nextAutoLevel},set:function(e){this.level=e,-1===this.manualLevelIndex&&(this.hls.nextAutoLevel=e)}}])&&Pe(a.prototype,n),s&&Pe(a,s),i}(h),Fe=r(5);function Ue(e,t){var r;try{r=new Event("addtrack")}catch(e){(r=document.createEvent("Event")).initEvent("addtrack",!1,!1)}r.track=e,t.dispatchEvent(r)}function Ne(e){if(e&&e.cues)for(;e.cues.length>0;)e.removeCue(e.cues[0])}function Be(e,t){if(t<e[0].endTime)return e[0];if(t>e[e.length-1].endTime)return e[e.length-1];for(var r=0,i=e.length-1;r<=i;){var a=Math.floor((i+r)/2);if(t<e[a].endTime)i=a-1;else{if(!(t>e[a].endTime))return e[a];r=a+1}}return e[r].endTime-t<t-e[i].endTime?e[r]:e[i]}var Ge=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.MEDIA_ATTACHED,d.a.MEDIA_DETACHING,d.a.FRAG_PARSING_METADATA,d.a.LIVE_BACK_BUFFER_REACHED)||this).id3Track=void 0,r.media=void 0,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.destroy=function(){h.prototype.destroy.call(this)},a.onMediaAttached=function(e){this.media=e.media,this.media},a.onMediaDetaching=function(){Ne(this.id3Track),this.id3Track=void 0,this.media=void 0},a.getID3Track=function(e){for(var t=0;t<e.length;t++){var r=e[t];if("metadata"===r.kind&&"id3"===r.label)return Ue(r,this.media),r}return this.media.addTextTrack("metadata","id3")},a.onLiveBackBufferReached=function(e){var t=e.bufferEnd;if(this.id3Track&&this.id3Track.cues&&this.id3Track.cues.length){var r=Be(this.id3Track.cues,t);if(r)for(var i=!0;i;){var a=this.id3Track.cues[0];if(!this.id3Track.cues.length||a.id===r.id)return void(i=!1);this.id3Track.removeCue(a)}}},a.onFragParsingMetadata=function(e){var t=e.frag,r=e.samples;this.id3Track||(this.id3Track=this.getID3Track(this.media.textTracks),this.id3Track.mode="hidden");for(var i=window.WebKitDataCue||window.VTTCue||window.TextTrackCue,a=0;a<r.length;a++){var n=Fe.a.getID3Frames(r[a].data);if(n){var s=r[a].pts,o=a<r.length-1?r[a+1].pts:t.endPTS;s===o?o+=1e-4:s>o&&(u.b.warn("detected an id3 sample with endTime < startTime, adjusting endTime to (startTime + 0.25)"),o=s+.25);for(var l=0;l<n.length;l++){var d=n[l];if(!Fe.a.isTimeStampFrame(d)){var c=new i(s,o,"");c.value=d,this.id3Track.addCue(c)}}}}},a.onLiveBackBufferReached=function(e){var t=e.bufferEnd,r=this.id3Track;if(r&&r.cues&&r.cues.length){var i=Be(r.cues,t);if(i)for(;r.cues[0]!==i;)r.removeCue(r.cues[0])}},i}(h);var Ke=function(){function e(e){this.alpha_=void 0,this.estimate_=void 0,this.totalWeight_=void 0,this.alpha_=e?Math.exp(Math.log(.5)/e):0,this.estimate_=0,this.totalWeight_=0}var t=e.prototype;return t.sample=function(e,t){var r=Math.pow(this.alpha_,e);this.estimate_=t*(1-r)+r*this.estimate_,this.totalWeight_+=e},t.getTotalWeight=function(){return this.totalWeight_},t.getEstimate=function(){if(this.alpha_){var e=1-Math.pow(this.alpha_,this.totalWeight_);return this.estimate_/e}return this.estimate_},e}(),je=function(){function e(e,t,r,i){this.hls=void 0,this.defaultEstimate_=void 0,this.minWeight_=void 0,this.minDelayMs_=void 0,this.slow_=void 0,this.fast_=void 0,this.hls=e,this.defaultEstimate_=i,this.minWeight_=.001,this.minDelayMs_=50,this.slow_=new Ke(t),this.fast_=new Ke(r)}var t=e.prototype;return t.sample=function(e,t){var r=(e=Math.max(e,this.minDelayMs_))/1e3,i=8*t/r;this.fast_.sample(r,i),this.slow_.sample(r,i)},t.canEstimate=function(){var e=this.fast_;return e&&e.getTotalWeight()>=this.minWeight_},t.getEstimate=function(){return this.canEstimate()?Math.min(this.fast_.getEstimate(),this.slow_.getEstimate()):this.defaultEstimate_},t.destroy=function(){},e}();function He(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var Ve=window.performance,Ye=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.FRAG_LOADING,d.a.FRAG_LOADED,d.a.FRAG_BUFFERED,d.a.ERROR)||this).lastLoadedFragLevel=0,r._nextAutoLevel=-1,r.hls=t,r.timer=null,r._bwEstimator=null,r.onCheck=r._abandonRulesCheck.bind(function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(r)),r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,c=i.prototype;return c.destroy=function(){this.clearTimer(),h.prototype.destroy.call(this)},c.onFragLoading=function(e){var t=e.frag;if("main"===t.type&&(this.timer||(this.fragCurrent=t,this.timer=setInterval(this.onCheck,100)),!this._bwEstimator)){var r,i,a=this.hls,n=a.config,s=t.level;a.levels[s].details.live?(r=n.abrEwmaFastLive,i=n.abrEwmaSlowLive):(r=n.abrEwmaFastVoD,i=n.abrEwmaSlowVoD),this._bwEstimator=new je(a,i,r,n.abrEwmaDefaultEstimate)}},c._abandonRulesCheck=function(){var e=this.hls,t=e.media,r=this.fragCurrent;if(r){var i=r.loader,a=e.minAutoLevel;if(!i||i.stats&&i.stats.aborted)return u.b.warn("frag loader destroy or aborted, disarm abandonRules"),this.clearTimer(),void(this._nextAutoLevel=-1);var n=i.stats;if(t&&n&&(!t.paused&&0!==t.playbackRate||!t.readyState)&&r.autoLevel&&r.level){var s=Ve.now()-n.trequest,o=Math.abs(t.playbackRate);if(s>500*r.duration/o){var l=e.levels,c=Math.max(1,n.bw?n.bw/8:1e3*n.loaded/s),h=l[r.level],f=h.realBitrate?Math.max(h.realBitrate,h.bitrate):h.bitrate,g=n.total?n.total:Math.max(n.loaded,Math.round(r.duration*f/8)),p=t.currentTime,v=(g-n.loaded)/c,m=(H.bufferInfo(t,p,e.config.maxBufferHole).end-p)/o;if(m<2*r.duration/o&&v>m){var y;for(y=r.level-1;y>a;y--){var b=l[y].realBitrate?Math.max(l[y].realBitrate,l[y].bitrate):l[y].bitrate;if(r.duration*b/(6.4*c)<m)break}void 0<v&&(u.b.warn("loading too slow, abort fragment loading and switch to level "+y+":fragLoadedDelay["+y+"]<fragLoadedDelay["+(r.level-1)+"];bufferStarvationDelay:"+(void 0).toFixed(1)+"<"+v.toFixed(1)+":"+m.toFixed(1)),e.nextLoadLevel=y,this._bwEstimator.sample(s,n.loaded),i.abort(),this.clearTimer(),e.trigger(d.a.FRAG_LOAD_EMERGENCY_ABORTED,{frag:r,stats:n}))}}}}},c.onFragLoaded=function(e){var t=e.frag;if("main"===t.type&&Object(l.a)(t.sn)){if(this.clearTimer(),this.lastLoadedFragLevel=t.level,this._nextAutoLevel=-1,this.hls.config.abrMaxWithRealBitrate){var r=this.hls.levels[t.level],i=(r.loaded?r.loaded.bytes:0)+e.stats.loaded,a=(r.loaded?r.loaded.duration:0)+e.frag.duration;r.loaded={bytes:i,duration:a},r.realBitrate=Math.round(8*i/a)}if(e.frag.bitrateTest){var n=e.stats;n.tparsed=n.tbuffered=n.tload,this.onFragBuffered(e)}}},c.onFragBuffered=function(e){var t=e.stats,r=e.frag;if(!0!==t.aborted&&"main"===r.type&&Object(l.a)(r.sn)&&(!r.bitrateTest||t.tload===t.tbuffered)){var i=t.tparsed-t.trequest;u.b.log("latency/loading/parsing/append/kbps:"+Math.round(t.tfirst-t.trequest)+"/"+Math.round(t.tload-t.tfirst)+"/"+Math.round(t.tparsed-t.tload)+"/"+Math.round(t.tbuffered-t.tparsed)+"/"+Math.round(8*t.loaded/(t.tbuffered-t.trequest))),this._bwEstimator.sample(i,t.loaded),t.bwEstimate=this._bwEstimator.getEstimate(),r.bitrateTest?this.bitrateTestDelay=i/1e3:this.bitrateTestDelay=0}},c.onError=function(e){switch(e.details){case o.a.FRAG_LOAD_ERROR:case o.a.FRAG_LOAD_TIMEOUT:this.clearTimer()}},c.clearTimer=function(){clearInterval(this.timer),this.timer=null},c._findBestLevel=function(e,t,r,i,a,n,s,o,l){for(var d=a;d>=i;d--){var c=l[d];if(c){var h=c.details,f=h?h.totalduration/h.fragments.length:t,g=!!h&&h.live,p=void 0;p=d<=e?s*r:o*r;var v=l[d].realBitrate?Math.max(l[d].realBitrate,l[d].bitrate):l[d].bitrate,m=v*f/p;if(u.b.trace("level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: "+d+"/"+Math.round(p)+"/"+v+"/"+f+"/"+n+"/"+m),p>v&&(!m||g&&!this.bitrateTestDelay||m<n))return d}}return-1},a=i,(n=[{key:"nextAutoLevel",get:function(){var e=this._nextAutoLevel,t=this._bwEstimator;if(!(-1===e||t&&t.canEstimate()))return e;var r=this._nextABRAutoLevel;return-1!==e&&(r=Math.min(e,r)),r},set:function(e){this._nextAutoLevel=e}},{key:"_nextABRAutoLevel",get:function(){var e=this.hls,t=e.maxAutoLevel,r=e.levels,i=e.config,a=e.minAutoLevel,n=e.media,s=this.lastLoadedFragLevel,o=this.fragCurrent?this.fragCurrent.duration:0,l=n?n.currentTime:0,d=n&&0!==n.playbackRate?Math.abs(n.playbackRate):1,c=this._bwEstimator?this._bwEstimator.getEstimate():i.abrEwmaDefaultEstimate,h=(H.bufferInfo(n,l,i.maxBufferHole).end-l)/d,f=this._findBestLevel(s,o,c,a,t,h,i.abrBandWidthFactor,i.abrBandWidthUpFactor,r);if(f>=0)return f;u.b.trace("rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering");var g=o?Math.min(o,i.maxStarvationDelay):i.maxStarvationDelay,p=i.abrBandWidthFactor,v=i.abrBandWidthUpFactor;if(0===h){var m=this.bitrateTestDelay;m&&(g=(o?Math.min(o,i.maxLoadingDelay):i.maxLoadingDelay)-m,u.b.trace("bitrate test took "+Math.round(1e3*m)+"ms, set first fragment max fetchDuration to "+Math.round(1e3*g)+" ms"),p=v=1)}return f=this._findBestLevel(s,o,c,a,t,h+g,p,v,r),Math.max(f,0)}}])&&He(a.prototype,n),s&&He(a,s),i}(h);var We=q(),qe=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.MEDIA_ATTACHING,d.a.MEDIA_DETACHING,d.a.MANIFEST_PARSED,d.a.BUFFER_RESET,d.a.BUFFER_APPENDING,d.a.BUFFER_CODECS,d.a.BUFFER_EOS,d.a.BUFFER_FLUSHING,d.a.LEVEL_PTS_UPDATED,d.a.LEVEL_UPDATED)||this)._msDuration=null,r._levelDuration=null,r._levelTargetDuration=10,r._live=null,r._objectUrl=null,r._needsFlush=!1,r._needsEos=!1,r.config=void 0,r.audioTimestampOffset=void 0,r.bufferCodecEventsExpected=0,r._bufferCodecEventsTotal=0,r.media=null,r.mediaSource=null,r.segments=[],r.parent=void 0,r.appending=!1,r.appended=0,r.appendError=0,r.flushBufferCounter=0,r.tracks={},r.pendingTracks={},r.sourceBuffer={},r.flushRange=[],r._onMediaSourceOpen=function(){u.b.log("media source opened"),r.hls.trigger(d.a.MEDIA_ATTACHED,{media:r.media});var e=r.mediaSource;e&&e.removeEventListener("sourceopen",r._onMediaSourceOpen),r.checkPendingTracks()},r._onMediaSourceClose=function(){u.b.log("media source closed")},r._onMediaSourceEnded=function(){u.b.log("media source ended")},r._onSBUpdateEnd=function(){if(r.audioTimestampOffset&&r.sourceBuffer.audio){var e=r.sourceBuffer.audio;u.b.warn("change mpeg audio timestamp offset from "+e.timestampOffset+" to "+r.audioTimestampOffset),e.timestampOffset=r.audioTimestampOffset,delete r.audioTimestampOffset}r._needsFlush&&r.doFlush(),r._needsEos&&r.checkEos(),r.appending=!1;var t=r.parent,i=r.segments.reduce((function(e,r){return r.parent===t?e+1:e}),0),a={},n=r.sourceBuffer;for(var s in n){var o=n[s];if(!o)throw Error("handling source buffer update end error: source buffer for "+s+" uninitilized and unable to update buffered TimeRanges.");a[s]=o.buffered}r.hls.trigger(d.a.BUFFER_APPENDED,{parent:t,pending:i,timeRanges:a}),r._needsFlush||r.doAppending(),r.updateMediaElementDuration(),0===i&&r.flushLiveBackBuffer()},r._onSBUpdateError=function(e){u.b.error("sourceBuffer error:",e),r.hls.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_APPENDING_ERROR,fatal:!1})},r.config=t.config,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.destroy=function(){h.prototype.destroy.call(this)},a.onLevelPtsUpdated=function(e){var t=e.type,r=this.tracks.audio;if("audio"===t&&r&&"audio/mpeg"===r.container){var i=this.sourceBuffer.audio;if(!i)throw Error("Level PTS Updated and source buffer for audio uninitalized");if(Math.abs(i.timestampOffset-e.start)>.1){var a=i.updating;try{i.abort()}catch(e){u.b.warn("can not abort audio buffer: "+e)}a?this.audioTimestampOffset=e.start:(u.b.warn("change mpeg audio timestamp offset from "+i.timestampOffset+" to "+e.start),i.timestampOffset=e.start)}}},a.onManifestParsed=function(e){this.bufferCodecEventsExpected=this._bufferCodecEventsTotal=e.altAudio?2:1,u.b.log(this.bufferCodecEventsExpected+" bufferCodec event(s) expected")},a.onMediaAttaching=function(e){var t=this.media=e.media;if(t&&We){var r=this.mediaSource=new We;r.addEventListener("sourceopen",this._onMediaSourceOpen),r.addEventListener("sourceended",this._onMediaSourceEnded),r.addEventListener("sourceclose",this._onMediaSourceClose),t.src=window.URL.createObjectURL(r),this._objectUrl=t.src}},a.onMediaDetaching=function(){u.b.log("media source detaching");var e=this.mediaSource;if(e){if("open"===e.readyState)try{e.endOfStream()}catch(e){u.b.warn("onMediaDetaching:"+e.message+" while calling endOfStream")}e.removeEventListener("sourceopen",this._onMediaSourceOpen),e.removeEventListener("sourceended",this._onMediaSourceEnded),e.removeEventListener("sourceclose",this._onMediaSourceClose),this.media&&(this._objectUrl&&window.URL.revokeObjectURL(this._objectUrl),this.media.src===this._objectUrl?(this.media.removeAttribute("src"),this.media.load()):u.b.warn("media.src was changed by a third party - skip cleanup")),this.mediaSource=null,this.media=null,this._objectUrl=null,this.bufferCodecEventsExpected=this._bufferCodecEventsTotal,this.pendingTracks={},this.tracks={},this.sourceBuffer={},this.flushRange=[],this.segments=[],this.appended=0}this.hls.trigger(d.a.MEDIA_DETACHED)},a.checkPendingTracks=function(){var e=this.bufferCodecEventsExpected,t=this.pendingTracks,r=Object.keys(t).length;(r&&!e||2===r)&&(this.createSourceBuffers(t),this.pendingTracks={},this.doAppending())},a.onBufferReset=function(){var e=this.sourceBuffer;for(var t in e){var r=e[t];try{r&&(this.mediaSource&&this.mediaSource.removeSourceBuffer(r),r.removeEventListener("updateend",this._onSBUpdateEnd),r.removeEventListener("error",this._onSBUpdateError))}catch(e){}}this.sourceBuffer={},this.flushRange=[],this.segments=[],this.appended=0},a.onBufferCodecs=function(e){var t=this;Object.keys(this.sourceBuffer).length||(Object.keys(e).forEach((function(r){t.pendingTracks[r]=e[r]})),this.bufferCodecEventsExpected=Math.max(this.bufferCodecEventsExpected-1,0),this.mediaSource&&"open"===this.mediaSource.readyState&&this.checkPendingTracks())},a.createSourceBuffers=function(e){var t=this.sourceBuffer,r=this.mediaSource;if(!r)throw Error("createSourceBuffers called when mediaSource was null");for(var i in e)if(!t[i]){var a=e[i];if(!a)throw Error("source buffer exists for track "+i+", however track does not");var n=a.levelCodec||a.codec,s=a.container+";codecs="+n;u.b.log("creating sourceBuffer("+s+")");try{var l=t[i]=r.addSourceBuffer(s);l.addEventListener("updateend",this._onSBUpdateEnd),l.addEventListener("error",this._onSBUpdateError),this.tracks[i]={buffer:l,codec:n,id:a.id,container:a.container,levelCodec:a.levelCodec}}catch(e){u.b.error("error while trying to add sourceBuffer:"+e.message),this.hls.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.BUFFER_ADD_CODEC_ERROR,fatal:!1,err:e,mimeType:s})}}this.hls.trigger(d.a.BUFFER_CREATED,{tracks:this.tracks})},a.onBufferAppending=function(e){this._needsFlush||(this.segments?this.segments.push(e):this.segments=[e],this.doAppending())},a.onBufferEos=function(e){for(var t in this.sourceBuffer)if(!e.type||e.type===t){var r=this.sourceBuffer[t];r&&!r.ended&&(r.ended=!0,u.b.log(t+" sourceBuffer now EOS"))}this.checkEos()},a.checkEos=function(){var e=this.sourceBuffer,t=this.mediaSource;if(t&&"open"===t.readyState){for(var r in e){var i=e[r];if(i){if(!i.ended)return;if(i.updating)return void(this._needsEos=!0)}}u.b.log("all media data are available, signal endOfStream() to MediaSource and stop loading fragment");try{t.endOfStream()}catch(e){u.b.warn("exception while calling mediaSource.endOfStream()")}this._needsEos=!1}else this._needsEos=!1},a.onBufferFlushing=function(e){e.type?this.flushRange.push({start:e.startOffset,end:e.endOffset,type:e.type}):(this.flushRange.push({start:e.startOffset,end:e.endOffset,type:"video"}),this.flushRange.push({start:e.startOffset,end:e.endOffset,type:"audio"})),this.flushBufferCounter=0,this.doFlush()},a.flushLiveBackBuffer=function(){if(this._live){var e=this.config.liveBackBufferLength;if(isFinite(e)&&!(e<0))if(this.media)for(var t=this.media.currentTime,r=this.sourceBuffer,i=Object.keys(r),a=t-Math.max(e,this._levelTargetDuration),n=i.length-1;n>=0;n--){var s=i[n],o=r[s];if(o){var l=o.buffered;l.length>0&&a>l.start(0)&&this.removeBufferRange(s,o,0,a)&&this.hls.trigger(d.a.LIVE_BACK_BUFFER_REACHED,{bufferEnd:a})}}else u.b.error("flushLiveBackBuffer called without attaching media")}},a.onLevelUpdated=function(e){var t=e.details;t.fragments.length>0&&(this._levelDuration=t.totalduration+t.fragments[0].start,this._levelTargetDuration=t.averagetargetduration||t.targetduration||10,this._live=t.live,this.updateMediaElementDuration())},a.updateMediaElementDuration=function(){var e,t=this.config;if(null!==this._levelDuration&&this.media&&this.mediaSource&&this.sourceBuffer&&0!==this.media.readyState&&"open"===this.mediaSource.readyState){for(var r in this.sourceBuffer){var i=this.sourceBuffer[r];if(i&&!0===i.updating)return}e=this.media.duration,null===this._msDuration&&(this._msDuration=this.mediaSource.duration),!0===this._live&&!0===t.liveDurationInfinity?(u.b.log("Media Source duration is set to Infinity"),this._msDuration=this.mediaSource.duration=1/0):(this._levelDuration>this._msDuration&&this._levelDuration>e||!Object(l.a)(e))&&(u.b.log("Updating Media Source duration to "+this._levelDuration.toFixed(3)),this._msDuration=this.mediaSource.duration=this._levelDuration)}},a.doFlush=function(){for(;this.flushRange.length;){var e=this.flushRange[0];if(!this.flushBuffer(e.start,e.end,e.type))return void(this._needsFlush=!0);this.flushRange.shift(),this.flushBufferCounter=0}if(0===this.flushRange.length){this._needsFlush=!1;var t=0,r=this.sourceBuffer;try{for(var i in r){var a=r[i];a&&(t+=a.buffered.length)}}catch(e){u.b.error("error while accessing sourceBuffer.buffered")}this.appended=t,this.hls.trigger(d.a.BUFFER_FLUSHED)}},a.doAppending=function(){var e=this.config,t=this.hls,r=this.segments,i=this.sourceBuffer;if(Object.keys(i).length){if(!this.media||this.media.error)return this.segments=[],void u.b.error("trying to append although a media error occured, flush segment and abort");if(!this.appending){var a=r.shift();if(a)try{var n=i[a.type];if(!n)return void this._onSBUpdateEnd();if(n.updating)return void r.unshift(a);n.ended=!1,this.parent=a.parent,n.appendBuffer(a.data),this.appendError=0,this.appended++,this.appending=!0}catch(i){u.b.error("error while trying to append buffer:"+i.message),r.unshift(a);var s={type:o.b.MEDIA_ERROR,parent:a.parent,details:"",fatal:!1};22===i.code?(this.segments=[],s.details=o.a.BUFFER_FULL_ERROR):(this.appendError++,s.details=o.a.BUFFER_APPEND_ERROR,this.appendError>e.appendErrorMaxRetry&&(u.b.log("fail "+e.appendErrorMaxRetry+" times to append segment in sourceBuffer"),this.segments=[],s.fatal=!0)),t.trigger(d.a.ERROR,s)}}}},a.flushBuffer=function(e,t,r){var i=this.sourceBuffer;if(!Object.keys(i).length)return!0;var a="null";if(this.media&&(a=this.media.currentTime.toFixed(3)),u.b.log("flushBuffer,pos/start/end: "+a+"/"+e+"/"+t),this.flushBufferCounter>=this.appended)return u.b.warn("abort flushing too many retries"),!0;var n=i[r];if(n){if(n.ended=!1,n.updating)return u.b.warn("cannot flush, sb updating in progress"),!1;if(this.removeBufferRange(r,n,e,t))return this.flushBufferCounter++,!1}return u.b.log("buffer flushed"),!0},a.removeBufferRange=function(e,t,r,i){try{for(var a=0;a<t.buffered.length;a++){var n=t.buffered.start(a),s=t.buffered.end(a),o=Math.max(n,r),l=Math.min(s,i);if(Math.min(l,s)-o>.5){var d="null";return this.media&&(d=this.media.currentTime.toString()),u.b.log("sb remove "+e+" ["+o+","+l+"], of ["+n+","+s+"], pos:"+d),t.remove(o,l),!0}}}catch(e){u.b.warn("removeBufferRange failed",e)}return!1},i}(h);function ze(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var Xe=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.FPS_DROP_LEVEL_CAPPING,d.a.MEDIA_ATTACHING,d.a.MANIFEST_PARSED,d.a.BUFFER_CODECS,d.a.MEDIA_DETACHING)||this).autoLevelCapping=Number.POSITIVE_INFINITY,r.firstLevel=null,r.levels=[],r.media=null,r.restrictedLevels=[],r.timer=null,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,o=i.prototype;return o.destroy=function(){this.hls.config.capLevelToPlayerSize&&(this.media=null,this.stopCapping())},o.onFpsDropLevelCapping=function(e){i.isLevelAllowed(e.droppedLevel,this.restrictedLevels)&&this.restrictedLevels.push(e.droppedLevel)},o.onMediaAttaching=function(e){this.media=e.media instanceof window.HTMLVideoElement?e.media:null},o.onManifestParsed=function(e){var t=this.hls;this.restrictedLevels=[],this.levels=e.levels,this.firstLevel=e.firstLevel,t.config.capLevelToPlayerSize&&e.video&&this.startCapping()},o.onBufferCodecs=function(e){this.hls.config.capLevelToPlayerSize&&e.video&&this.startCapping()},o.onLevelsUpdated=function(e){this.levels=e.levels},o.onMediaDetaching=function(){this.stopCapping()},o.detectPlayerSize=function(){if(this.media){var e=this.levels?this.levels.length:0;if(e){var t=this.hls;t.autoLevelCapping=this.getMaxLevel(e-1),t.autoLevelCapping>this.autoLevelCapping&&t.streamController.nextLevelSwitch(),this.autoLevelCapping=t.autoLevelCapping}}},o.getMaxLevel=function(e){var t=this;if(!this.levels)return-1;var r=this.levels.filter((function(r,a){return i.isLevelAllowed(a,t.restrictedLevels)&&a<=e}));return i.getMaxLevelByMediaSize(r,this.mediaWidth,this.mediaHeight)},o.startCapping=function(){this.timer||(this.autoLevelCapping=Number.POSITIVE_INFINITY,this.hls.firstLevel=this.getMaxLevel(this.firstLevel),clearInterval(this.timer),this.timer=setInterval(this.detectPlayerSize.bind(this),1e3),this.detectPlayerSize())},o.stopCapping=function(){this.restrictedLevels=[],this.firstLevel=null,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.timer&&(this.timer=clearInterval(this.timer),this.timer=null)},i.isLevelAllowed=function(e,t){return void 0===t&&(t=[]),-1===t.indexOf(e)},i.getMaxLevelByMediaSize=function(e,t,r){if(!e||e&&!e.length)return-1;for(var i,a,n=e.length-1,s=0;s<e.length;s+=1){var o=e[s];if((o.width>=t||o.height>=r)&&(i=o,!(a=e[s+1])||i.width!==a.width||i.height!==a.height)){n=s;break}}return n},a=i,s=[{key:"contentScaleFactor",get:function(){var e=1;try{e=window.devicePixelRatio}catch(e){}return e}}],(n=[{key:"mediaWidth",get:function(){var e,t=this.media;return t&&(e=t.width||t.clientWidth||t.offsetWidth,e*=i.contentScaleFactor),e}},{key:"mediaHeight",get:function(){var e,t=this.media;return t&&(e=t.height||t.clientHeight||t.offsetHeight,e*=i.contentScaleFactor),e}}])&&ze(a.prototype,n),s&&ze(a,s),i}(h);var Qe=window.performance,$e=function(e){var t,r;function i(t){return e.call(this,t,d.a.MEDIA_ATTACHING)||this}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.destroy=function(){this.timer&&clearInterval(this.timer),this.isVideoPlaybackQualityAvailable=!1},a.onMediaAttaching=function(e){var t=this.hls.config;t.capLevelOnFPSDrop&&("function"==typeof(this.video=e.media instanceof window.HTMLVideoElement?e.media:null).getVideoPlaybackQuality&&(this.isVideoPlaybackQualityAvailable=!0),clearInterval(this.timer),this.timer=setInterval(this.checkFPSInterval.bind(this),t.fpsDroppedMonitoringPeriod))},a.checkFPS=function(e,t,r){var i=Qe.now();if(t){if(this.lastTime){var a=i-this.lastTime,n=r-this.lastDroppedFrames,s=t-this.lastDecodedFrames,o=1e3*n/a,l=this.hls;if(l.trigger(d.a.FPS_DROP,{currentDropped:n,currentDecoded:s,totalDroppedFrames:r}),o>0&&n>l.config.fpsDroppedMonitoringThreshold*s){var c=l.currentLevel;u.b.warn("drop FPS ratio greater than max allowed value for currentLevel: "+c),c>0&&(-1===l.autoLevelCapping||l.autoLevelCapping>=c)&&(c-=1,l.trigger(d.a.FPS_DROP_LEVEL_CAPPING,{level:c,droppedLevel:l.currentLevel}),l.autoLevelCapping=c,l.streamController.nextLevelSwitch())}}this.lastTime=i,this.lastDroppedFrames=r,this.lastDecodedFrames=t}},a.checkFPSInterval=function(){var e=this.video;if(e)if(this.isVideoPlaybackQualityAvailable){var t=e.getVideoPlaybackQuality();this.checkFPS(e,t.totalVideoFrames,t.droppedVideoFrames)}else this.checkFPS(e,e.webkitDecodedFrameCount,e.webkitDroppedFrameCount)},i}(h),Je=window,Ze=Je.performance,et=Je.XMLHttpRequest,tt=function(){function e(e){e&&e.xhrSetup&&(this.xhrSetup=e.xhrSetup)}var t=e.prototype;return t.destroy=function(){this.abort(),this.loader=null},t.abort=function(){var e=this.loader;e&&4!==e.readyState&&(this.stats.aborted=!0,e.abort()),window.clearTimeout(this.requestTimeout),this.requestTimeout=null,window.clearTimeout(this.retryTimeout),this.retryTimeout=null},t.load=function(e,t,r){this.context=e,this.config=t,this.callbacks=r,this.stats={trequest:Ze.now(),retry:0},this.retryDelay=t.retryDelay,this.loadInternal()},t.loadInternal=function(){var e,t=this.context;e=this.loader=new et;var r=this.stats;r.tfirst=0,r.loaded=0;var i=this.xhrSetup;try{if(i)try{i(e,t.url)}catch(r){e.open("GET",t.url,!0),i(e,t.url)}e.readyState||e.open("GET",t.url,!0)}catch(r){return void this.callbacks.onError({code:e.status,text:r.message},t,e)}t.rangeEnd&&e.setRequestHeader("Range","bytes="+t.rangeStart+"-"+(t.rangeEnd-1)),e.onreadystatechange=this.readystatechange.bind(this),e.onprogress=this.loadprogress.bind(this),e.responseType=t.responseType,this.requestTimeout=window.setTimeout(this.loadtimeout.bind(this),this.config.timeout),e.send()},t.readystatechange=function(e){var t=e.currentTarget,r=t.readyState,i=this.stats,a=this.context,n=this.config;if(!i.aborted&&r>=2)if(window.clearTimeout(this.requestTimeout),0===i.tfirst&&(i.tfirst=Math.max(Ze.now(),i.trequest)),4===r){var s=t.status;if(s>=200&&s<300){var o,l;i.tload=Math.max(i.tfirst,Ze.now()),l="arraybuffer"===a.responseType?(o=t.response).byteLength:(o=t.responseText).length,i.loaded=i.total=l;var d={url:t.responseURL,data:o};this.callbacks.onSuccess(d,i,a,t)}else i.retry>=n.maxRetry?(u.b.error(s+" while loading "+a.url),this.callbacks.onError({code:s,text:t.statusText},a,t)):(u.b.warn(s+" while loading "+a.url+", retrying in "+this.retryDelay+"..."),this.destroy(),this.retryTimeout=window.setTimeout(this.loadInternal.bind(this),this.retryDelay),this.retryDelay=Math.min(2*this.retryDelay,n.maxRetryDelay),i.retry++)}else this.requestTimeout=window.setTimeout(this.loadtimeout.bind(this),n.timeout)},t.loadtimeout=function(){u.b.warn("timeout while loading "+this.context.url),this.callbacks.onTimeout(this.stats,this.context,null)},t.loadprogress=function(e){var t=e.currentTarget,r=this.stats;r.loaded=e.loaded,e.lengthComputable&&(r.total=e.total);var i=this.callbacks.onProgress;i&&i(r,this.context,null,t)},e}();function rt(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var it=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.MANIFEST_LOADING,d.a.MANIFEST_PARSED,d.a.AUDIO_TRACK_LOADED,d.a.AUDIO_TRACK_SWITCHED,d.a.LEVEL_LOADED,d.a.ERROR)||this)._trackId=-1,r._selectDefaultTrack=!0,r.tracks=[],r.trackIdBlacklist=Object.create(null),r.audioGroupId=null,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,l=i.prototype;return l.onManifestLoading=function(){this.tracks=[],this._trackId=-1,this._selectDefaultTrack=!0},l.onManifestParsed=function(e){var t=this.tracks=e.audioTracks||[];this.hls.trigger(d.a.AUDIO_TRACKS_UPDATED,{audioTracks:t}),this._selectAudioGroup(this.hls.nextLoadLevel)},l.onAudioTrackLoaded=function(e){if(e.id>=this.tracks.length)u.b.warn("Invalid audio track id:",e.id);else{if(u.b.log("audioTrack "+e.id+" loaded"),this.tracks[e.id].details=e.details,e.details.live&&!this.hasInterval()){var t=1e3*e.details.targetduration;this.setInterval(t)}!e.details.live&&this.hasInterval()&&this.clearInterval()}},l.onAudioTrackSwitched=function(e){var t=this.tracks[e.id].groupId;t&&this.audioGroupId!==t&&(this.audioGroupId=t)},l.onLevelLoaded=function(e){this._selectAudioGroup(e.level)},l.onError=function(e){e.type===o.b.NETWORK_ERROR&&(e.fatal&&this.clearInterval(),e.details===o.a.AUDIO_TRACK_LOAD_ERROR&&(u.b.warn("Network failure on audio-track id:",e.context.id),this._handleLoadError()))},l._setAudioTrack=function(e){if(this._trackId===e&&this.tracks[this._trackId].details)u.b.debug("Same id as current audio-track passed, and track details available -> no-op");else if(e<0||e>=this.tracks.length)u.b.warn("Invalid id passed to audio-track controller");else{var t=this.tracks[e];u.b.log("Now switching to audio-track index "+e),this.clearInterval(),this._trackId=e;var r=t.url,i=t.type,a=t.id;this.hls.trigger(d.a.AUDIO_TRACK_SWITCHING,{id:a,type:i,url:r}),this._loadTrackDetailsIfNeeded(t)}},l.doTick=function(){this._updateTrack(this._trackId)},l._selectAudioGroup=function(e){var t=this.hls.levels[e];if(t&&t.audioGroupIds){var r=t.audioGroupIds[t.urlId];this.audioGroupId!==r&&(this.audioGroupId=r,this._selectInitialAudioTrack())}},l._selectInitialAudioTrack=function(){var e=this,t=this.tracks;if(t.length){var r=this.tracks[this._trackId],i=null;if(r&&(i=r.name),this._selectDefaultTrack){var a=t.filter((function(e){return e.default}));a.length?t=a:u.b.warn("No default audio tracks defined")}var n=!1,s=function(){t.forEach((function(t){n||e.audioGroupId&&t.groupId!==e.audioGroupId||i&&i!==t.name||(e._setAudioTrack(t.id),n=!0)}))};s(),n||(i=null,s()),n||(u.b.error("No track found for running audio group-ID: "+this.audioGroupId),this.hls.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:o.a.AUDIO_TRACK_LOAD_ERROR,fatal:!0}))}},l._needsTrackLoading=function(e){var t=e.details,r=e.url;return!(t&&!t.live)&&!!r},l._loadTrackDetailsIfNeeded=function(e){if(this._needsTrackLoading(e)){var t=e.url,r=e.id;u.b.log("loading audio-track playlist for id: "+r),this.hls.trigger(d.a.AUDIO_TRACK_LOADING,{url:t,id:r})}},l._updateTrack=function(e){if(!(e<0||e>=this.tracks.length)){this.clearInterval(),this._trackId=e,u.b.log("trying to update audio-track "+e);var t=this.tracks[e];this._loadTrackDetailsIfNeeded(t)}},l._handleLoadError=function(){this.trackIdBlacklist[this._trackId]=!0;var e=this._trackId,t=this.tracks[e],r=t.name,i=t.language,a=t.groupId;u.b.warn("Loading failed on audio track id: "+e+", group-id: "+a+', name/language: "'+r+'" / "'+i+'"');for(var n=e,s=0;s<this.tracks.length;s++){if(!this.trackIdBlacklist[s])if(this.tracks[s].name===r){n=s;break}}n!==e?(u.b.log("Attempting audio-track fallback id:",n,"group-id:",this.tracks[n].groupId),this._setAudioTrack(n)):u.b.warn('No fallback audio-track found for name/language: "'+r+'" / "'+i+'"')},a=i,(n=[{key:"audioTracks",get:function(){return this.tracks}},{key:"audioTrack",get:function(){return this._trackId},set:function(e){this._setAudioTrack(e),this._selectDefaultTrack=!1}}])&&rt(a.prototype,n),s&&rt(a,s),i}(ge);function at(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var nt=window.performance,st=function(e){var t,r;function i(t,r){var i;return(i=e.call(this,t,d.a.MEDIA_ATTACHED,d.a.MEDIA_DETACHING,d.a.AUDIO_TRACKS_UPDATED,d.a.AUDIO_TRACK_SWITCHING,d.a.AUDIO_TRACK_LOADED,d.a.KEY_LOADED,d.a.FRAG_LOADED,d.a.FRAG_PARSING_INIT_SEGMENT,d.a.FRAG_PARSING_DATA,d.a.FRAG_PARSED,d.a.ERROR,d.a.BUFFER_RESET,d.a.BUFFER_CREATED,d.a.BUFFER_APPENDED,d.a.BUFFER_FLUSHED,d.a.INIT_PTS_FOUND)||this).fragmentTracker=r,i.config=t.config,i.audioCodecSwap=!1,i._state=pe,i.initPTS=[],i.waitingFragment=null,i.videoTrackCC=null,i}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,c=i.prototype;return c.onInitPtsFound=function(e){var t=e.id,r=e.frag.cc,i=e.initPTS;"main"===t&&(this.initPTS[r]=i,this.videoTrackCC=r,u.b.log("InitPTS for cc: "+r+" found from video track: "+i),this.state===Le&&this.tick())},c.startLoad=function(e){if(this.tracks){var t=this.lastCurrentTime;this.stopLoad(),this.setInterval(100),this.fragLoadError=0,t>0&&-1===e?(u.b.log("audio:override startPosition with lastCurrentTime @"+t.toFixed(3)),this.state=me):(this.lastCurrentTime=this.startPosition?this.startPosition:e,this.state=ve),this.nextLoadPosition=this.startPosition=this.lastCurrentTime,this.tick()}else this.startPosition=e,this.state=pe},c.doTick=function(){var e,t,r,i=this.hls,a=i.config;switch(this.state){case we:case ye:case Re:break;case ve:this.state=Se,this.loadedmetadata=!1;break;case me:var n=this.tracks;if(!n)break;if(!this.media&&(this.startFragRequested||!a.startFragPrefetch))break;if(this.loadedmetadata)e=this.media.currentTime;else if(void 0===(e=this.nextLoadPosition))break;var s=this.mediaBuffer?this.mediaBuffer:this.media,o=this.videoBuffer?this.videoBuffer:this.media,c=H.bufferInfo(s,e,a.maxBufferHole),h=H.bufferInfo(o,e,a.maxBufferHole),f=c.len,g=c.end,p=this.fragPrevious,v=Math.min(a.maxBufferLength,a.maxMaxBufferLength),m=Math.max(v,h.len),y=this.audioSwitch,b=this.trackId;if((f<m||y)&&b<n.length){if(void 0===(r=n[b].details)){this.state=Se;break}if(!y&&this._streamEnded(c,r))return this.hls.trigger(d.a.BUFFER_EOS,{type:"audio"}),void(this.state=ke);var T,E=r.fragments,S=E.length,_=E[0].start,A=E[S-1].start+E[S-1].duration;if(y)if(r.live&&!r.PTSKnown)u.b.log("switching audiotrack, live stream, unknown PTS,load first fragment"),g=0;else if(g=e,r.PTSKnown&&e<_){if(!(c.end>_||c.nextStart))return;u.b.log("alt audio track ahead of main track, seek to start of alt audio track"),this.media.currentTime=_+.05}if(r.initSegment&&!r.initSegment.data)T=r.initSegment;else if(g<=_){if(T=E[0],null!==this.videoTrackCC&&T.cc!==this.videoTrackCC&&(T=function(e,t){return j.search(e,(function(e){return e.cc<t?1:e.cc>t?-1:0}))}(E,this.videoTrackCC)),r.live&&T.loadIdx&&T.loadIdx===this.fragLoadIdx){var R=c.nextStart?c.nextStart:_;return u.b.log("no alt audio available @currentTime:"+this.media.currentTime+", seeking @"+(R+.05)),void(this.media.currentTime=R+.05)}}else{var k,w=a.maxFragLookUpTolerance,L=p?E[p.sn-E[0].sn+1]:void 0,D=function(e){var t=Math.min(w,e.duration);return e.start+e.duration-t<=g?1:e.start-t>g&&e.start?-1:0};g<A?(g>A-w&&(w=0),k=L&&!D(L)?L:j.search(E,D)):k=E[S-1],k&&(T=k,_=k.start,p&&T.level===p.level&&T.sn===p.sn&&(T.sn<r.endSN?(T=E[T.sn+1-r.startSN],u.b.log("SN just loaded, load next one: "+T.sn)):T=null))}T&&(T.encrypted?(u.b.log("Loading key for "+T.sn+" of ["+r.startSN+" ,"+r.endSN+"],track "+b),this.state=be,i.trigger(d.a.KEY_LOADING,{frag:T})):(u.b.log("Loading "+T.sn+", cc: "+T.cc+" of ["+r.startSN+" ,"+r.endSN+"],track "+b+", currentTime:"+e+",bufferEnd:"+g.toFixed(3)),this.fragCurrent=T,(y||this.fragmentTracker.getState(T)===U)&&("initSegment"!==T.sn&&(this.startFragRequested=!0),Object(l.a)(T.sn)&&(this.nextLoadPosition=T.start+T.duration),i.trigger(d.a.FRAG_LOADING,{frag:T}),this.state=Te)))}break;case Se:(t=this.tracks[this.trackId])&&t.details&&(this.state=me);break;case Ee:var O=nt.now(),C=this.retryDate,I=(s=this.media)&&s.seeking;(!C||O>=C||I)&&(u.b.log("audioStreamController: retryDate reached, switch back to IDLE state"),this.state=me);break;case Le:var P=this.videoTrackCC;if(void 0===this.initPTS[P])break;var x=this.waitingFragment;if(x){var M=x.frag.cc;P!==M?(t=this.tracks[this.trackId]).details&&t.details.live&&(u.b.warn("Waiting fragment CC ("+M+") does not match video track CC ("+P+")"),this.waitingFragment=null,this.state=me):(this.state=Te,this.onFragLoaded(this.waitingFragment),this.waitingFragment=null)}else this.state=me}},c.onMediaAttached=function(e){var t=this.media=this.mediaBuffer=e.media;this.onvseeking=this.onMediaSeeking.bind(this),this.onvended=this.onMediaEnded.bind(this),t.addEventListener("seeking",this.onvseeking),t.addEventListener("ended",this.onvended);var r=this.config;this.tracks&&r.autoStartLoad&&this.startLoad(r.startPosition)},c.onMediaDetaching=function(){var e=this.media;e&&e.ended&&(u.b.log("MSE detaching and video ended, reset startPosition"),this.startPosition=this.lastCurrentTime=0),e&&(e.removeEventListener("seeking",this.onvseeking),e.removeEventListener("ended",this.onvended),this.onvseeking=this.onvseeked=this.onvended=null),this.media=this.mediaBuffer=this.videoBuffer=null,this.loadedmetadata=!1,this.fragmentTracker.removeAllFragments(),this.stopLoad()},c.onAudioTracksUpdated=function(e){u.b.log("audio tracks updated"),this.tracks=e.audioTracks},c.onAudioTrackSwitching=function(e){var t=!!e.url;this.trackId=e.id,this.fragCurrent=null,this.state=ye,this.waitingFragment=null,t?this.setInterval(100):this.demuxer&&(this.demuxer.destroy(),this.demuxer=null),t&&(this.audioSwitch=!0,this.state=me),this.tick()},c.onAudioTrackLoaded=function(e){var t=e.details,r=e.id,i=this.tracks[r],a=t.totalduration,n=0;if(u.b.log("track "+r+" loaded ["+t.startSN+","+t.endSN+"],duration:"+a),t.live){var s=i.details;s&&t.fragments.length>0?(re(s,t),n=t.fragments[0].start,t.PTSKnown?u.b.log("live audio playlist sliding:"+n.toFixed(3)):u.b.log("live audio playlist - outdated PTS, unknown sliding")):(t.PTSKnown=!1,u.b.log("live audio playlist - first load, unknown sliding"))}else t.PTSKnown=!1;if(i.details=t,!this.startFragRequested){if(-1===this.startPosition){var o=t.startTimeOffset;Object(l.a)(o)?(u.b.log("start time offset found in playlist, adjust startPosition to "+o),this.startPosition=o):t.live?(this.startPosition=this.computeLivePosition(n,t),u.b.log("compute startPosition for audio-track to "+this.startPosition)):this.startPosition=0}this.nextLoadPosition=this.startPosition}this.state===Se&&(this.state=me),this.tick()},c.onKeyLoaded=function(){this.state===be&&(this.state=me,this.tick())},c.onFragLoaded=function(e){var t=this.fragCurrent,r=e.frag;if(this.state===Te&&t&&"audio"===r.type&&r.level===t.level&&r.sn===t.sn){var i=this.tracks[this.trackId],a=i.details,n=a.totalduration,s=t.level,o=t.sn,l=t.cc,c=this.config.defaultAudioCodec||i.audioCodec||"mp4a.40.2",h=this.stats=e.stats;if("initSegment"===o)this.state=me,h.tparsed=h.tbuffered=nt.now(),a.initSegment.data=e.payload,this.hls.trigger(d.a.FRAG_BUFFERED,{stats:h,frag:t,id:"audio"}),this.tick();else{this.state=_e,this.appended=!1,this.demuxer||(this.demuxer=new J(this.hls,"audio"));var f=this.initPTS[l],g=a.initSegment?a.initSegment.data:[];if(a.initSegment||void 0!==f){this.pendingBuffering=!0,u.b.log("Demuxing "+o+" of ["+a.startSN+" ,"+a.endSN+"],track "+s);this.demuxer.push(e.payload,g,c,null,t,n,!1,f)}else u.b.log("unknown video PTS for continuity counter "+l+", waiting for video PTS before demuxing audio frag "+o+" of ["+a.startSN+" ,"+a.endSN+"],track "+s),this.waitingFragment=e,this.state=Le}}this.fragLoadError=0},c.onFragParsingInitSegment=function(e){var t=this.fragCurrent,r=e.frag;if(t&&"audio"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===_e){var i,a=e.tracks;if(a.video&&delete a.video,i=a.audio){i.levelCodec=i.codec,i.id=e.id,this.hls.trigger(d.a.BUFFER_CODECS,a),u.b.log("audio track:audio,container:"+i.container+",codecs[level/parsed]=["+i.levelCodec+"/"+i.codec+"]");var n=i.initSegment;if(n){var s={type:"audio",data:n,parent:"audio",content:"initSegment"};this.audioSwitch?this.pendingData=[s]:(this.appended=!0,this.pendingBuffering=!0,this.hls.trigger(d.a.BUFFER_APPENDING,s))}this.tick()}}},c.onFragParsingData=function(e){var t=this,r=this.fragCurrent,i=e.frag;if(r&&"audio"===e.id&&"audio"===e.type&&i.sn===r.sn&&i.level===r.level&&this.state===_e){var a=this.trackId,n=this.tracks[a],s=this.hls;Object(l.a)(e.endPTS)||(e.endPTS=e.startPTS+r.duration,e.endDTS=e.startDTS+r.duration),r.addElementaryStream(p.AUDIO),u.b.log("parsed "+e.type+",PTS:["+e.startPTS.toFixed(3)+","+e.endPTS.toFixed(3)+"],DTS:["+e.startDTS.toFixed(3)+"/"+e.endDTS.toFixed(3)+"],nb:"+e.nb),te(n.details,r,e.startPTS,e.endPTS);var c=this.audioSwitch,h=this.media,f=!1;if(c)if(h&&h.readyState){var g=h.currentTime;u.b.log("switching audio track : currentTime:"+g),g>=e.startPTS&&(u.b.log("switching audio track : flushing all audio"),this.state=Re,s.trigger(d.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"}),f=!0,this.audioSwitch=!1,s.trigger(d.a.AUDIO_TRACK_SWITCHED,{id:a}))}else this.audioSwitch=!1,s.trigger(d.a.AUDIO_TRACK_SWITCHED,{id:a});var v=this.pendingData;if(!v)return u.b.warn("Apparently attempt to enqueue media payload without codec initialization data upfront"),void s.trigger(d.a.ERROR,{type:o.b.MEDIA_ERROR,details:null,fatal:!0});this.audioSwitch||([e.data1,e.data2].forEach((function(t){t&&t.length&&v.push({type:e.type,data:t,parent:"audio",content:"data"})})),!f&&v.length&&(v.forEach((function(e){t.state===_e&&(t.pendingBuffering=!0,t.hls.trigger(d.a.BUFFER_APPENDING,e))})),this.pendingData=[],this.appended=!0)),this.tick()}},c.onFragParsed=function(e){var t=this.fragCurrent,r=e.frag;t&&"audio"===e.id&&r.sn===t.sn&&r.level===t.level&&this.state===_e&&(this.stats.tparsed=nt.now(),this.state=Ae,this._checkAppendedParsed())},c.onBufferReset=function(){this.mediaBuffer=this.videoBuffer=null,this.loadedmetadata=!1},c.onBufferCreated=function(e){var t=e.tracks.audio;t&&(this.mediaBuffer=t.buffer,this.loadedmetadata=!0),e.tracks.video&&(this.videoBuffer=e.tracks.video.buffer)},c.onBufferAppended=function(e){if("audio"===e.parent){var t=this.state;t!==_e&&t!==Ae||(this.pendingBuffering=e.pending>0,this._checkAppendedParsed())}},c._checkAppendedParsed=function(){if(!(this.state!==Ae||this.appended&&this.pendingBuffering)){var e=this.fragCurrent,t=this.stats,r=this.hls;if(e){this.fragPrevious=e,t.tbuffered=nt.now(),r.trigger(d.a.FRAG_BUFFERED,{stats:t,frag:e,id:"audio"});var i=this.mediaBuffer?this.mediaBuffer:this.media;i&&u.b.log("audio buffered : "+ne.toString(i.buffered)),this.audioSwitch&&this.appended&&(this.audioSwitch=!1,r.trigger(d.a.AUDIO_TRACK_SWITCHED,{id:this.trackId})),this.state=me}this.tick()}},c.onError=function(e){var t=e.frag;if(!t||"audio"===t.type)switch(e.details){case o.a.FRAG_LOAD_ERROR:case o.a.FRAG_LOAD_TIMEOUT:var r=e.frag;if(r&&"audio"!==r.type)break;if(!e.fatal){var i=this.fragLoadError;i?i++:i=1;var a=this.config;if(i<=a.fragLoadingMaxRetry){this.fragLoadError=i;var n=Math.min(Math.pow(2,i-1)*a.fragLoadingRetryDelay,a.fragLoadingMaxRetryTimeout);u.b.warn("AudioStreamController: frag loading failed, retry in "+n+" ms"),this.retryDate=nt.now()+n,this.state=Ee}else u.b.error("AudioStreamController: "+e.details+" reaches max retry, redispatch as fatal ..."),e.fatal=!0,this.state=we}break;case o.a.AUDIO_TRACK_LOAD_ERROR:case o.a.AUDIO_TRACK_LOAD_TIMEOUT:case o.a.KEY_LOAD_ERROR:case o.a.KEY_LOAD_TIMEOUT:this.state!==we&&(this.state=e.fatal?we:me,u.b.warn("AudioStreamController: "+e.details+" while loading frag, now switching to "+this.state+" state ..."));break;case o.a.BUFFER_FULL_ERROR:if("audio"===e.parent&&(this.state===_e||this.state===Ae)){var s=this.mediaBuffer,l=this.media.currentTime;if(s&&H.isBuffered(s,l)&&H.isBuffered(s,l+.5)){var c=this.config;c.maxMaxBufferLength>=c.maxBufferLength&&(c.maxMaxBufferLength/=2,u.b.warn("AudioStreamController: reduce max buffer length to "+c.maxMaxBufferLength+"s")),this.state=me}else u.b.warn("AudioStreamController: buffer full error also media.currentTime is not buffered, flush audio buffer"),this.fragCurrent=null,this.state=Re,this.hls.trigger(d.a.BUFFER_FLUSHING,{startOffset:0,endOffset:Number.POSITIVE_INFINITY,type:"audio"})}}},c.onBufferFlushed=function(){var e=this,t=this.pendingData;t&&t.length?(u.b.log("AudioStreamController: appending pending audio data after buffer flushed"),t.forEach((function(t){e.hls.trigger(d.a.BUFFER_APPENDING,t)})),this.appended=!0,this.pendingData=[],this.state=Ae):(this.state=me,this.fragPrevious=null,this.tick())},a=i,(n=[{key:"state",set:function(e){if(this.state!==e){var t=this.state;this._state=e,u.b.log("audio stream:"+t+"->"+e)}},get:function(){return this._state}}])&&at(a.prototype,n),s&&at(a,s),i}(Oe),ot=function(){if("undefined"!=typeof window&&window.VTTCue)return window.VTTCue;var e={"":!0,lr:!0,rl:!0},t={start:!0,middle:!0,end:!0,left:!0,right:!0};function r(e){return"string"==typeof e&&(!!t[e.toLowerCase()]&&e.toLowerCase())}function i(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var i in r)e[i]=r[i]}return e}function a(t,a,n){var s=this,o={enumerable:!0};s.hasBeenReset=!1;var l="",d=!1,u=t,c=a,h=n,f=null,g="",p=!0,v="auto",m="start",y=50,b="middle",T=50,E="middle";Object.defineProperty(s,"id",i({},o,{get:function(){return l},set:function(e){l=""+e}})),Object.defineProperty(s,"pauseOnExit",i({},o,{get:function(){return d},set:function(e){d=!!e}})),Object.defineProperty(s,"startTime",i({},o,{get:function(){return u},set:function(e){if("number"!=typeof e)throw new TypeError("Start time must be set to a number.");u=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"endTime",i({},o,{get:function(){return c},set:function(e){if("number"!=typeof e)throw new TypeError("End time must be set to a number.");c=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"text",i({},o,{get:function(){return h},set:function(e){h=""+e,this.hasBeenReset=!0}})),Object.defineProperty(s,"region",i({},o,{get:function(){return f},set:function(e){f=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"vertical",i({},o,{get:function(){return g},set:function(t){var r=function(t){return"string"==typeof t&&(!!e[t.toLowerCase()]&&t.toLowerCase())}(t);if(!1===r)throw new SyntaxError("An invalid or illegal string was specified.");g=r,this.hasBeenReset=!0}})),Object.defineProperty(s,"snapToLines",i({},o,{get:function(){return p},set:function(e){p=!!e,this.hasBeenReset=!0}})),Object.defineProperty(s,"line",i({},o,{get:function(){return v},set:function(e){if("number"!=typeof e&&"auto"!==e)throw new SyntaxError("An invalid number or illegal string was specified.");v=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"lineAlign",i({},o,{get:function(){return m},set:function(e){var t=r(e);if(!t)throw new SyntaxError("An invalid or illegal string was specified.");m=t,this.hasBeenReset=!0}})),Object.defineProperty(s,"position",i({},o,{get:function(){return y},set:function(e){if(e<0||e>100)throw new Error("Position must be between 0 and 100.");y=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"positionAlign",i({},o,{get:function(){return b},set:function(e){var t=r(e);if(!t)throw new SyntaxError("An invalid or illegal string was specified.");b=t,this.hasBeenReset=!0}})),Object.defineProperty(s,"size",i({},o,{get:function(){return T},set:function(e){if(e<0||e>100)throw new Error("Size must be between 0 and 100.");T=e,this.hasBeenReset=!0}})),Object.defineProperty(s,"align",i({},o,{get:function(){return E},set:function(e){var t=r(e);if(!t)throw new SyntaxError("An invalid or illegal string was specified.");E=t,this.hasBeenReset=!0}})),s.displayState=void 0}return a.prototype.getCueAsHTML=function(){return window.WebVTT.convertCueToDOMTree(window,this.text)},a}(),lt=function(){return{decode:function(e){if(!e)return"";if("string"!=typeof e)throw new Error("Error - expected string data.");return decodeURIComponent(encodeURIComponent(e))}}};function dt(){this.window=window,this.state="INITIAL",this.buffer="",this.decoder=new lt,this.regionList=[]}function ut(){this.values=Object.create(null)}function ct(e,t,r,i){var a=i?e.split(i):[e];for(var n in a)if("string"==typeof a[n]){var s=a[n].split(r);if(2===s.length)t(s[0],s[1])}}ut.prototype={set:function(e,t){this.get(e)||""===t||(this.values[e]=t)},get:function(e,t,r){return r?this.has(e)?this.values[e]:t[r]:this.has(e)?this.values[e]:t},has:function(e){return e in this.values},alt:function(e,t,r){for(var i=0;i<r.length;++i)if(t===r[i]){this.set(e,t);break}},integer:function(e,t){/^-?\d+$/.test(t)&&this.set(e,parseInt(t,10))},percent:function(e,t){return!!(t.match(/^([\d]{1,3})(\.[\d]*)?%$/)&&(t=parseFloat(t))>=0&&t<=100)&&(this.set(e,t),!0)}};var ht=new ot(0,0,0),ft="middle"===ht.align?"middle":"center";function gt(e,t,r){var i=e;function a(){var t=function(e){function t(e,t,r,i){return 3600*(0|e)+60*(0|t)+(0|r)+(0|i)/1e3}var r=e.match(/^(\d+):(\d{2})(:\d{2})?\.(\d{3})/);return r?r[3]?t(r[1],r[2],r[3].replace(":",""),r[4]):r[1]>59?t(r[1],r[2],0,r[4]):t(0,r[1],r[2],r[4]):null}(e);if(null===t)throw new Error("Malformed timestamp: "+i);return e=e.replace(/^[^\sa-zA-Z-]+/,""),t}function n(){e=e.replace(/^\s+/,"")}if(n(),t.startTime=a(),n(),"--\x3e"!==e.substr(0,3))throw new Error("Malformed time stamp (time stamps must be separated by '--\x3e'): "+i);e=e.substr(3),n(),t.endTime=a(),n(),function(e,t){var i=new ut;ct(e,(function(e,t){switch(e){case"region":for(var a=r.length-1;a>=0;a--)if(r[a].id===t){i.set(e,r[a].region);break}break;case"vertical":i.alt(e,t,["rl","lr"]);break;case"line":var n=t.split(","),s=n[0];i.integer(e,s),i.percent(e,s)&&i.set("snapToLines",!1),i.alt(e,s,["auto"]),2===n.length&&i.alt("lineAlign",n[1],["start",ft,"end"]);break;case"position":n=t.split(","),i.percent(e,n[0]),2===n.length&&i.alt("positionAlign",n[1],["start",ft,"end","line-left","line-right","auto"]);break;case"size":i.percent(e,t);break;case"align":i.alt(e,t,["start",ft,"end","left","right"])}}),/:/,/\s/),t.region=i.get("region",null),t.vertical=i.get("vertical","");var a=i.get("line","auto");"auto"===a&&-1===ht.line&&(a=-1),t.line=a,t.lineAlign=i.get("lineAlign","start"),t.snapToLines=i.get("snapToLines",!0),t.size=i.get("size",100),t.align=i.get("align",ft);var n=i.get("position","auto");"auto"===n&&50===ht.position&&(n="start"===t.align||"left"===t.align?0:"end"===t.align||"right"===t.align?100:50),t.position=n}(e,t)}function pt(e){return e.replace(/<br(?: \/)?>/gi,"\n")}dt.prototype={parse:function(e){var t=this;function r(){var e=t.buffer,r=0;for(e=pt(e);r<e.length&&"\r"!==e[r]&&"\n"!==e[r];)++r;var i=e.substr(0,r);return"\r"===e[r]&&++r,"\n"===e[r]&&++r,t.buffer=e.substr(r),i}e&&(t.buffer+=t.decoder.decode(e,{stream:!0}));try{var i;if("INITIAL"===t.state){if(!/\r\n|\n/.test(t.buffer))return this;var a=(i=r()).match(/^()?WEBVTT([ \t].*)?$/);if(!a||!a[0])throw new Error("Malformed WebVTT signature.");t.state="HEADER"}for(var n=!1;t.buffer;){if(!/\r\n|\n/.test(t.buffer))return this;switch(n?n=!1:i=r(),t.state){case"HEADER":/:/.test(i)?ct(i,(function(e,t){}),/:/):i||(t.state="ID");continue;case"NOTE":i||(t.state="ID");continue;case"ID":if(/^NOTE($|[ \t])/.test(i)){t.state="NOTE";break}if(!i)continue;if(t.cue=new ot(0,0,""),t.state="CUE",-1===i.indexOf("--\x3e")){t.cue.id=i;continue}case"CUE":try{gt(i,t.cue,t.regionList)}catch(e){t.cue=null,t.state="BADCUE";continue}t.state="CUETEXT";continue;case"CUETEXT":var s=-1!==i.indexOf("--\x3e");if(!i||s&&(n=!0)){t.oncue&&t.oncue(t.cue),t.cue=null,t.state="ID";continue}t.cue.text&&(t.cue.text+="\n"),t.cue.text+=i;continue;case"BADCUE":i||(t.state="ID");continue}}}catch(e){"CUETEXT"===t.state&&t.cue&&t.oncue&&t.oncue(t.cue),t.cue=null,t.state="INITIAL"===t.state?"BADWEBVTT":"BADCUE"}return this},flush:function(){try{if(this.buffer+=this.decoder.decode(),(this.cue||"HEADER"===this.state)&&(this.buffer+="\n\n",this.parse()),"INITIAL"===this.state)throw new Error("Malformed WebVTT signature.")}catch(e){throw e}return this.onflush&&this.onflush(),this}};var vt=dt;function mt(e,t,r,i){for(var a,n,s,o,l,d=window.VTTCue||TextTrackCue,u=0;u<i.rows.length;u++)if(s=!0,o=0,l="",!(a=i.rows[u]).isEmpty()){for(var c=0;c<a.chars.length;c++)a.chars[c].uchar.match(/\s/)&&s?o++:(l+=a.chars[c].uchar,s=!1);a.cueStartTime=t,t===r&&(r+=1e-4),n=new d(t,r,pt(l.trim())),o>=16?o--:o++,navigator.userAgent.match(/Firefox\//)?n.line=u+1:n.line=u>7?u-2:u+1,n.align="left",n.position=Math.max(0,Math.min(100,o/32*100)),e.addCue(n)}}var yt,bt={42:225,92:233,94:237,95:243,96:250,123:231,124:247,125:209,126:241,127:9608,128:174,129:176,130:189,131:191,132:8482,133:162,134:163,135:9834,136:224,137:32,138:232,139:226,140:234,141:238,142:244,143:251,144:193,145:201,146:211,147:218,148:220,149:252,150:8216,151:161,152:42,153:8217,154:9473,155:169,156:8480,157:8226,158:8220,159:8221,160:192,161:194,162:199,163:200,164:202,165:203,166:235,167:206,168:207,169:239,170:212,171:217,172:249,173:219,174:171,175:187,176:195,177:227,178:205,179:204,180:236,181:210,182:242,183:213,184:245,185:123,186:125,187:92,188:94,189:95,190:124,191:8764,192:196,193:228,194:214,195:246,196:223,197:165,198:164,199:9475,200:197,201:229,202:216,203:248,204:9487,205:9491,206:9495,207:9499},Tt=function(e){var t=e;return bt.hasOwnProperty(e)&&(t=bt[e]),String.fromCharCode(t)},Et={17:1,18:3,21:5,22:7,23:9,16:11,19:12,20:14},St={17:2,18:4,21:6,22:8,23:10,19:13,20:15},_t={25:1,26:3,29:5,30:7,31:9,24:11,27:12,28:14},At={25:2,26:4,29:6,30:8,31:10,27:13,28:15},Rt=["white","green","blue","cyan","red","yellow","magenta","black","transparent"];!function(e){e[e.ERROR=0]="ERROR",e[e.TEXT=1]="TEXT",e[e.WARNING=2]="WARNING",e[e.INFO=2]="INFO",e[e.DEBUG=3]="DEBUG",e[e.DATA=3]="DATA"}(yt||(yt={}));var kt={verboseFilter:{DATA:3,DEBUG:3,INFO:2,WARNING:2,TEXT:1,ERROR:0},time:null,verboseLevel:0,setTime:function(e){this.time=e},log:function(e,t){this.verboseFilter[e];this.verboseLevel}},wt=function(e){for(var t=[],r=0;r<e.length;r++)t.push(e[r].toString(16));return t},Lt=function(){function e(e,t,r,i,a){this.foreground=void 0,this.underline=void 0,this.italics=void 0,this.background=void 0,this.flash=void 0,this.foreground=e||"white",this.underline=t||!1,this.italics=r||!1,this.background=i||"black",this.flash=a||!1}var t=e.prototype;return t.reset=function(){this.foreground="white",this.underline=!1,this.italics=!1,this.background="black",this.flash=!1},t.setStyles=function(e){for(var t=["foreground","underline","italics","background","flash"],r=0;r<t.length;r++){var i=t[r];e.hasOwnProperty(i)&&(this[i]=e[i])}},t.isDefault=function(){return"white"===this.foreground&&!this.underline&&!this.italics&&"black"===this.background&&!this.flash},t.equals=function(e){return this.foreground===e.foreground&&this.underline===e.underline&&this.italics===e.italics&&this.background===e.background&&this.flash===e.flash},t.copy=function(e){this.foreground=e.foreground,this.underline=e.underline,this.italics=e.italics,this.background=e.background,this.flash=e.flash},t.toString=function(){return"color="+this.foreground+", underline="+this.underline+", italics="+this.italics+", background="+this.background+", flash="+this.flash},e}(),Dt=function(){function e(e,t,r,i,a,n){this.uchar=void 0,this.penState=void 0,this.uchar=e||" ",this.penState=new Lt(t,r,i,a,n)}var t=e.prototype;return t.reset=function(){this.uchar=" ",this.penState.reset()},t.setChar=function(e,t){this.uchar=e,this.penState.copy(t)},t.setPenState=function(e){this.penState.copy(e)},t.equals=function(e){return this.uchar===e.uchar&&this.penState.equals(e.penState)},t.copy=function(e){this.uchar=e.uchar,this.penState.copy(e.penState)},t.isEmpty=function(){return" "===this.uchar&&this.penState.isDefault()},e}(),Ot=function(){function e(){this.chars=void 0,this.pos=void 0,this.currPenState=void 0,this.cueStartTime=void 0,this.chars=[];for(var e=0;e<100;e++)this.chars.push(new Dt);this.pos=0,this.currPenState=new Lt}var t=e.prototype;return t.equals=function(e){for(var t=!0,r=0;r<100;r++)if(!this.chars[r].equals(e.chars[r])){t=!1;break}return t},t.copy=function(e){for(var t=0;t<100;t++)this.chars[t].copy(e.chars[t])},t.isEmpty=function(){for(var e=!0,t=0;t<100;t++)if(!this.chars[t].isEmpty()){e=!1;break}return e},t.setCursor=function(e){this.pos!==e&&(this.pos=e),this.pos<0?(kt.log("ERROR","Negative cursor position "+this.pos),this.pos=0):this.pos>100&&(kt.log("ERROR","Too large cursor position "+this.pos),this.pos=100)},t.moveCursor=function(e){var t=this.pos+e;if(e>1)for(var r=this.pos+1;r<t+1;r++)this.chars[r].setPenState(this.currPenState);this.setCursor(t)},t.backSpace=function(){this.moveCursor(-1),this.chars[this.pos].setChar(" ",this.currPenState)},t.insertChar=function(e){e>=144&&this.backSpace();var t=Tt(e);this.pos>=100?kt.log("ERROR","Cannot insert "+e.toString(16)+" ("+t+") at position "+this.pos+". Skipping it!"):(this.chars[this.pos].setChar(t,this.currPenState),this.moveCursor(1))},t.clearFromPos=function(e){var t;for(t=e;t<100;t++)this.chars[t].reset()},t.clear=function(){this.clearFromPos(0),this.pos=0,this.currPenState.reset()},t.clearToEndOfRow=function(){this.clearFromPos(this.pos)},t.getTextString=function(){for(var e=[],t=!0,r=0;r<100;r++){var i=this.chars[r].uchar;" "!==i&&(t=!1),e.push(i)}return t?"":e.join("")},t.setPenStyles=function(e){this.currPenState.setStyles(e),this.chars[this.pos].setPenState(this.currPenState)},e}(),Ct=function(){function e(){this.rows=void 0,this.currRow=void 0,this.nrRollUpRows=void 0,this.lastOutputScreen=void 0,this.rows=[];for(var e=0;e<15;e++)this.rows.push(new Ot);this.currRow=14,this.nrRollUpRows=null,this.reset()}var t=e.prototype;return t.reset=function(){for(var e=0;e<15;e++)this.rows[e].clear();this.currRow=14},t.equals=function(e){for(var t=!0,r=0;r<15;r++)if(!this.rows[r].equals(e.rows[r])){t=!1;break}return t},t.copy=function(e){for(var t=0;t<15;t++)this.rows[t].copy(e.rows[t])},t.isEmpty=function(){for(var e=!0,t=0;t<15;t++)if(!this.rows[t].isEmpty()){e=!1;break}return e},t.backSpace=function(){this.rows[this.currRow].backSpace()},t.clearToEndOfRow=function(){this.rows[this.currRow].clearToEndOfRow()},t.insertChar=function(e){this.rows[this.currRow].insertChar(e)},t.setPen=function(e){this.rows[this.currRow].setPenStyles(e)},t.moveCursor=function(e){this.rows[this.currRow].moveCursor(e)},t.setCursor=function(e){kt.log("INFO","setCursor: "+e),this.rows[this.currRow].setCursor(e)},t.setPAC=function(e){kt.log("INFO","pacData = "+JSON.stringify(e));var t=e.row-1;if(this.nrRollUpRows&&t<this.nrRollUpRows-1&&(t=this.nrRollUpRows-1),this.nrRollUpRows&&this.currRow!==t){for(var r=0;r<15;r++)this.rows[r].clear();var i=this.currRow+1-this.nrRollUpRows,a=this.lastOutputScreen;if(a){var n=a.rows[i].cueStartTime;if(n&&kt.time&&n<kt.time)for(var s=0;s<this.nrRollUpRows;s++)this.rows[t-this.nrRollUpRows+s+1].copy(a.rows[i+s])}}this.currRow=t;var o=this.rows[this.currRow];if(null!==e.indent){var l=e.indent,d=Math.max(l-1,0);o.setCursor(e.indent),e.color=o.chars[d].penState.foreground}var u={foreground:e.color,underline:e.underline,italics:e.italics,background:"black",flash:!1};this.setPen(u)},t.setBkgData=function(e){kt.log("INFO","bkgData = "+JSON.stringify(e)),this.backSpace(),this.setPen(e),this.insertChar(32)},t.setRollUpRows=function(e){this.nrRollUpRows=e},t.rollUp=function(){if(null!==this.nrRollUpRows){kt.log("TEXT",this.getDisplayText());var e=this.currRow+1-this.nrRollUpRows,t=this.rows.splice(e,1)[0];t.clear(),this.rows.splice(this.currRow,0,t),kt.log("INFO","Rolling up")}else kt.log("DEBUG","roll_up but nrRollUpRows not set yet")},t.getDisplayText=function(e){e=e||!1;for(var t=[],r="",i=-1,a=0;a<15;a++){var n=this.rows[a].getTextString();n&&(i=a+1,e?t.push("Row "+i+": '"+n+"'"):t.push(n.trim()))}return t.length>0&&(r=e?"["+t.join(" | ")+"]":t.join("\n")),r},t.getTextAndFormat=function(){return this.rows},e}(),It=function(){function e(e,t){this.chNr=void 0,this.outputFilter=void 0,this.mode=void 0,this.verbose=void 0,this.displayedMemory=void 0,this.nonDisplayedMemory=void 0,this.lastOutputScreen=void 0,this.currRollUpRow=void 0,this.writeScreen=void 0,this.cueStartTime=void 0,this.lastCueEndTime=void 0,this.chNr=e,this.outputFilter=t,this.mode=null,this.verbose=0,this.displayedMemory=new Ct,this.nonDisplayedMemory=new Ct,this.lastOutputScreen=new Ct,this.currRollUpRow=this.displayedMemory.rows[14],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null}var t=e.prototype;return t.reset=function(){this.mode=null,this.displayedMemory.reset(),this.nonDisplayedMemory.reset(),this.lastOutputScreen.reset(),this.currRollUpRow=this.displayedMemory.rows[14],this.writeScreen=this.displayedMemory,this.mode=null,this.cueStartTime=null},t.getHandler=function(){return this.outputFilter},t.setHandler=function(e){this.outputFilter=e},t.setPAC=function(e){this.writeScreen.setPAC(e)},t.setBkgData=function(e){this.writeScreen.setBkgData(e)},t.setMode=function(e){e!==this.mode&&(this.mode=e,kt.log("INFO","MODE="+e),"MODE_POP-ON"===this.mode?this.writeScreen=this.nonDisplayedMemory:(this.writeScreen=this.displayedMemory,this.writeScreen.reset()),"MODE_ROLL-UP"!==this.mode&&(this.displayedMemory.nrRollUpRows=null,this.nonDisplayedMemory.nrRollUpRows=null),this.mode=e)},t.insertChars=function(e){for(var t=0;t<e.length;t++)this.writeScreen.insertChar(e[t]);var r=this.writeScreen===this.displayedMemory?"DISP":"NON_DISP";kt.log("INFO",r+": "+this.writeScreen.getDisplayText(!0)),"MODE_PAINT-ON"!==this.mode&&"MODE_ROLL-UP"!==this.mode||(kt.log("TEXT","DISPLAYED: "+this.displayedMemory.getDisplayText(!0)),this.outputDataUpdate())},t.ccRCL=function(){kt.log("INFO","RCL - Resume Caption Loading"),this.setMode("MODE_POP-ON")},t.ccBS=function(){kt.log("INFO","BS - BackSpace"),"MODE_TEXT"!==this.mode&&(this.writeScreen.backSpace(),this.writeScreen===this.displayedMemory&&this.outputDataUpdate())},t.ccAOF=function(){},t.ccAON=function(){},t.ccDER=function(){kt.log("INFO","DER- Delete to End of Row"),this.writeScreen.clearToEndOfRow(),this.outputDataUpdate()},t.ccRU=function(e){kt.log("INFO","RU("+e+") - Roll Up"),this.writeScreen=this.displayedMemory,this.setMode("MODE_ROLL-UP"),this.writeScreen.setRollUpRows(e)},t.ccFON=function(){kt.log("INFO","FON - Flash On"),this.writeScreen.setPen({flash:!0})},t.ccRDC=function(){kt.log("INFO","RDC - Resume Direct Captioning"),this.setMode("MODE_PAINT-ON")},t.ccTR=function(){kt.log("INFO","TR"),this.setMode("MODE_TEXT")},t.ccRTD=function(){kt.log("INFO","RTD"),this.setMode("MODE_TEXT")},t.ccEDM=function(){kt.log("INFO","EDM - Erase Displayed Memory"),this.displayedMemory.reset(),this.outputDataUpdate(!0)},t.ccCR=function(){kt.log("INFO","CR - Carriage Return"),this.writeScreen.rollUp(),this.outputDataUpdate(!0)},t.ccENM=function(){kt.log("INFO","ENM - Erase Non-displayed Memory"),this.nonDisplayedMemory.reset()},t.ccEOC=function(){if(kt.log("INFO","EOC - End Of Caption"),"MODE_POP-ON"===this.mode){var e=this.displayedMemory;this.displayedMemory=this.nonDisplayedMemory,this.nonDisplayedMemory=e,this.writeScreen=this.nonDisplayedMemory,kt.log("TEXT","DISP: "+this.displayedMemory.getDisplayText())}this.outputDataUpdate(!0)},t.ccTO=function(e){kt.log("INFO","TO("+e+") - Tab Offset"),this.writeScreen.moveCursor(e)},t.ccMIDROW=function(e){var t={flash:!1};if(t.underline=e%2==1,t.italics=e>=46,t.italics)t.foreground="white";else{var r=Math.floor(e/2)-16;t.foreground=["white","green","blue","cyan","red","yellow","magenta"][r]}kt.log("INFO","MIDROW: "+JSON.stringify(t)),this.writeScreen.setPen(t)},t.outputDataUpdate=function(e){void 0===e&&(e=!1);var t=kt.time;null!==t&&this.outputFilter&&(null!==this.cueStartTime||this.displayedMemory.isEmpty()?this.displayedMemory.equals(this.lastOutputScreen)||(this.outputFilter.newCue(this.cueStartTime,t,this.lastOutputScreen),e&&this.outputFilter.dispatchCue&&this.outputFilter.dispatchCue(),this.cueStartTime=this.displayedMemory.isEmpty()?null:t):this.cueStartTime=t,this.lastOutputScreen.copy(this.displayedMemory))},t.cueSplitAtTime=function(e){this.outputFilter&&(this.displayedMemory.isEmpty()||(this.outputFilter.newCue&&this.outputFilter.newCue(this.cueStartTime,e,this.displayedMemory),this.cueStartTime=e))},e}(),Pt=function(){function e(e,t,r){this.field=void 0,this.outputs=void 0,this.channels=void 0,this.currChNr=void 0,this.lastCmdA=void 0,this.lastCmdB=void 0,this.lastTime=void 0,this.dataCounters=void 0,this.field=e||1,this.outputs=[t,r],this.channels=[new It(1,t),new It(2,r)],this.currChNr=-1,this.lastCmdA=null,this.lastCmdB=null,this.lastTime=null,this.dataCounters={padding:0,char:0,cmd:0,other:0}}var t=e.prototype;return t.getHandler=function(e){return this.channels[e].getHandler()},t.setHandler=function(e,t){this.channels[e].setHandler(t)},t.addData=function(e,t){var r,i,a,n=!1;this.lastTime=e,kt.setTime(e);for(var s=0;s<t.length;s+=2)if(i=127&t[s],a=127&t[s+1],0!==i||0!==a){if(kt.log("DATA","["+wt([t[s],t[s+1]])+"] -> ("+wt([i,a])+")"),(r=this.parseCmd(i,a))||(r=this.parseMidrow(i,a)),r||(r=this.parsePAC(i,a)),r||(r=this.parseBackgroundAttributes(i,a)),!r)if(n=this.parseChars(i,a))if(this.currChNr&&this.currChNr>=0)this.channels[this.currChNr-1].insertChars(n);else kt.log("WARNING","No channel found yet. TEXT-MODE?");r?this.dataCounters.cmd+=2:n?this.dataCounters.char+=2:(this.dataCounters.other+=2,kt.log("WARNING","Couldn't parse cleaned data "+wt([i,a])+" orig: "+wt([t[s],t[s+1]])))}else this.dataCounters.padding+=2},t.parseCmd=function(e,t){var r=null;if(!((20===e||28===e)&&t>=32&&t<=47)&&!((23===e||31===e)&&t>=33&&t<=35))return!1;if(e===this.lastCmdA&&t===this.lastCmdB)return this.lastCmdA=null,this.lastCmdB=null,kt.log("DEBUG","Repeated command ("+wt([e,t])+") is dropped"),!0;r=20===e||23===e?1:2;var i=this.channels[r-1];return 20===e||28===e?32===t?i.ccRCL():33===t?i.ccBS():34===t?i.ccAOF():35===t?i.ccAON():36===t?i.ccDER():37===t?i.ccRU(2):38===t?i.ccRU(3):39===t?i.ccRU(4):40===t?i.ccFON():41===t?i.ccRDC():42===t?i.ccTR():43===t?i.ccRTD():44===t?i.ccEDM():45===t?i.ccCR():46===t?i.ccENM():47===t&&i.ccEOC():i.ccTO(t-32),this.lastCmdA=e,this.lastCmdB=t,this.currChNr=r,!0},t.parseMidrow=function(e,t){var r=null;return(17===e||25===e)&&t>=32&&t<=47&&((r=17===e?1:2)!==this.currChNr?(kt.log("ERROR","Mismatch channel in midrow parsing"),!1):(this.channels[r-1].ccMIDROW(t),kt.log("DEBUG","MIDROW ("+wt([e,t])+")"),!0))},t.parsePAC=function(e,t){var r,i=null;if(!((e>=17&&e<=23||e>=25&&e<=31)&&t>=64&&t<=127)&&!((16===e||24===e)&&t>=64&&t<=95))return!1;if(e===this.lastCmdA&&t===this.lastCmdB)return this.lastCmdA=null,this.lastCmdB=null,!0;r=e<=23?1:2,i=t>=64&&t<=95?1===r?Et[e]:_t[e]:1===r?St[e]:At[e];var a=this.interpretPAC(i,t);return this.channels[r-1].setPAC(a),this.lastCmdA=e,this.lastCmdB=t,this.currChNr=r,!0},t.interpretPAC=function(e,t){var r=t,i={color:null,italics:!1,indent:null,underline:!1,row:e};return r=t>95?t-96:t-64,i.underline=1==(1&r),r<=13?i.color=["white","green","blue","cyan","red","yellow","magenta","white"][Math.floor(r/2)]:r<=15?(i.italics=!0,i.color="white"):i.indent=4*Math.floor((r-16)/2),i},t.parseChars=function(e,t){var r=null,i=null,a=null;if(e>=25?(r=2,a=e-8):(r=1,a=e),a>=17&&a<=19){var n=t;n=17===a?t+80:18===a?t+112:t+144,kt.log("INFO","Special char '"+Tt(n)+"' in channel "+r),i=[n]}else e>=32&&e<=127&&(i=0===t?[e]:[e,t]);if(i){var s=wt(i);kt.log("DEBUG","Char codes = "+s.join(",")),this.lastCmdA=null,this.lastCmdB=null}return i},t.parseBackgroundAttributes=function(e,t){var r,i,a;return((16===e||24===e)&&t>=32&&t<=47||(23===e||31===e)&&t>=45&&t<=47)&&(r={},16===e||24===e?(i=Math.floor((t-32)/2),r.background=Rt[i],t%2==1&&(r.background=r.background+"_semi")):45===t?r.background="transparent":(r.foreground="black",47===t&&(r.underline=!0)),a=e<24?1:2,this.channels[a-1].setBkgData(r),this.lastCmdA=null,this.lastCmdB=null,!0)},t.reset=function(){for(var e=0;e<this.channels.length;e++)this.channels[e]&&this.channels[e].reset();this.lastCmdA=null,this.lastCmdB=null},t.cueSplitAtTime=function(e){for(var t=0;t<this.channels.length;t++)this.channels[t]&&this.channels[t].cueSplitAtTime(e)},e}(),xt=function(){function e(e,t){this.timelineController=void 0,this.trackName=void 0,this.startTime=void 0,this.endTime=void 0,this.screen=void 0,this.timelineController=e,this.trackName=t,this.startTime=null,this.endTime=null,this.screen=null}var t=e.prototype;return t.dispatchCue=function(){null!==this.startTime&&(this.timelineController.addCues(this.trackName,this.startTime,this.endTime,this.screen),this.startTime=null)},t.newCue=function(e,t,r){(null===this.startTime||this.startTime>e)&&(this.startTime=e),this.endTime=t,this.screen=r,this.timelineController.createCaptionsTrack(this.trackName)},e}(),Mt=r(4),Ft=r(9),Ut=/\r\n|\n\r|\n|\r/g,Nt=function(e,t,r){return void 0===r&&(r=0),e.substr(r,t.length)===t},Bt=function(e){for(var t=5381,r=e.length;r;)t=33*t^e.charCodeAt(--r);return(t>>>0).toString()};function Gt(e,t,r,i,a,n,s,o){var d,u=new vt,c=Object(Fe.b)(new Uint8Array(e)).trim().replace(Ut,"\n").split("\n"),h=[],f=Object(Mt.a)(t,r),g="00:00.000",p=0,v=0,m=!0,y=!1;u.oncue=function(e){var t=i[a],r=i.ccOffset,s=(p-f)/9e4;if(t&&t.new&&(void 0!==v?r=i.ccOffset=t.start:function(e,t,r){var i=e[t],a=e[i.prevCC];if(!a||!a.new&&i.new)return e.ccOffset=e.presentationOffset=i.start,void(i.new=!1);for(;a&&a.new;)e.ccOffset+=i.start-a.start,i.new=!1,a=e[(i=a).prevCC];e.presentationOffset=r}(i,a,s)),s&&(r=s-i.presentationOffset),y){var o=e.endTime-e.startTime,l=Object(Ft.b)(9e4*(e.startTime+r-v),9e4*n)/9e4;e.startTime=l,e.endTime=l+o}var d=e.text.trim();e.text=decodeURIComponent(encodeURIComponent(d)),e.id||(e.id=function(e,t,r){return Bt(e.toString())+Bt(t.toString())+Bt(r)}(e.startTime,e.endTime,d)),e.endTime>0&&h.push(e)},u.onparsingerror=function(e){d=e},u.onflush=function(){d?o(d):s(h)},c.forEach((function(e){if(m){if(Nt(e,"X-TIMESTAMP-MAP=")){m=!1,y=!0,e.substr(16).split(",").forEach((function(e){Nt(e,"LOCAL:")?g=e.substr(6):Nt(e,"MPEGTS:")&&(p=parseInt(e.substr(7)))}));try{v=function(e){var t=parseInt(e.substr(-3)),r=parseInt(e.substr(-6,2)),i=parseInt(e.substr(-9,2)),a=e.length>9?parseInt(e.substr(0,e.indexOf(":"))):0;if(!(Object(l.a)(t)&&Object(l.a)(r)&&Object(l.a)(i)&&Object(l.a)(a)))throw Error("Malformed X-TIMESTAMP-MAP: Local:"+e);return t+=1e3*r,t+=6e4*i,t+=36e5*a}(g)/1e3}catch(e){y=!1,d=e}return}""===e&&(m=!1)}u.parse(e+"\n")})),u.flush()}function Kt(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function jt(e,t){return e&&e.label===t.name&&!(e.textTrack1||e.textTrack2)}var Ht=function(e){var t,r;function i(t){var r;if((r=e.call(this,t,d.a.MEDIA_ATTACHING,d.a.MEDIA_DETACHING,d.a.FRAG_PARSING_USERDATA,d.a.FRAG_DECRYPTED,d.a.MANIFEST_LOADING,d.a.MANIFEST_LOADED,d.a.FRAG_LOADED,d.a.INIT_PTS_FOUND)||this).media=null,r.config=void 0,r.enabled=!0,r.Cues=void 0,r.textTracks=[],r.tracks=[],r.initPTS=[],r.timescale=[],r.unparsedVttFrags=[],r.cueRanges=[],r.captionsTracks={},r.captionsProperties=void 0,r.cea608Parser=void 0,r.lastSn=-1,r.prevCC=-1,r.vttCCs=null,r.hls=t,r.config=t.config,r.Cues=t.config.cueHandler,r.captionsProperties={textTrack1:{label:r.config.captionsTextTrack1Label,languageCode:r.config.captionsTextTrack1LanguageCode},textTrack2:{label:r.config.captionsTextTrack2Label,languageCode:r.config.captionsTextTrack2LanguageCode}},r.config.enableCEA708Captions){var i=new xt(Kt(r),"textTrack1"),a=new xt(Kt(r),"textTrack2");r.cea608Parser=new Pt(0,i,a)}return r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.addCues=function(e,t,r,i){for(var a,n,s,o,l=this.cueRanges,d=!1,u=l.length;u--;){var c=l[u],h=(a=c[0],n=c[1],s=t,o=r,Math.min(n,o)-Math.max(a,s));if(h>=0&&(c[0]=Math.min(c[0],t),c[1]=Math.max(c[1],r),d=!0,h/(r-t)>.5))return}d||l.push([t,r]),this.Cues.newCue(this.captionsTracks[e],t,r,i)},a.onInitPtsFound=function(e){var t=this,r=e.frag,i=e.id,a=e.initPTS,n=e.timescale,s=this.unparsedVttFrags;"main"===i&&(this.initPTS[r.cc]=a,this.timescale[r.cc]=n),s.length&&(this.unparsedVttFrags=[],s.forEach((function(e){t.onFragLoaded(e)})))},a.getExistingTrack=function(e){var t=this.media;if(t)for(var r=0;r<t.textTracks.length;r++){var i=t.textTracks[r];if(i[e])return i}return null},a.createCaptionsTrack=function(e){var t=this.captionsProperties,r=this.captionsTracks,i=this.media,a=t[e],n=a.label,s=a.languageCode;if(!r[e]){var o=this.getExistingTrack(e);if(o)r[e]=o,Ne(r[e]),Ue(r[e],i);else{var l=this.createTextTrack("captions",n,s);l&&(l[e]=!0,r[e]=l)}}},a.createTextTrack=function(e,t,r){var i=this.media;if(i)return i.addTextTrack(e,t,r)},a.destroy=function(){e.prototype.destroy.call(this)},a.onMediaAttaching=function(e){this.media=e.media,this._cleanTracks()},a.onMediaDetaching=function(){var e=this.captionsTracks;Object.keys(e).forEach((function(t){Ne(e[t]),delete e[t]}))},a.onManifestLoading=function(){this.lastSn=-1,this.prevCC=-1,this.vttCCs={ccOffset:0,presentationOffset:0,0:{start:0,prevCC:-1,new:!1}},this.timescale=[],this._cleanTracks()},a._cleanTracks=function(){var e=this.media;if(e){var t=e.textTracks;if(t)for(var r=0;r<t.length;r++)Ne(t[r])}},a.onManifestLoaded=function(e){var t=this;if(this.textTracks=[],this.unparsedVttFrags=this.unparsedVttFrags||[],this.initPTS=[],this.cueRanges=[],this.config.enableWebVTT){this.tracks=e.subtitles||[];var r=this.media?this.media.textTracks:[];this.tracks.forEach((function(e,i){var a;if(i<r.length){for(var n=null,s=0;s<r.length;s++)if(jt(r[s],e)){n=r[s];break}n&&(a=n)}a||(a=t.createTextTrack("subtitles",e.name,e.lang)),e.default?a.mode=t.hls.subtitleDisplay?"showing":"hidden":a.mode="disabled",t.textTracks.push(a)}))}},a.onFragLoaded=function(e){var t=e.frag,r=e.payload,i=this.cea608Parser,a=this.initPTS,n=this.lastSn,s=this.unparsedVttFrags;if("main"===t.type){var o=t.sn;t.sn!==n+1&&i&&i.reset(),this.lastSn=o}else if("subtitle"===t.type)if(r.byteLength){if(!Object(l.a)(a[t.cc]))return s.push(e),void(a.length&&this.hls.trigger(d.a.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:t}));var u=t.decryptdata;null!=u&&null!=u.key&&"AES-128"===u.method||this._parseVTTs(t,r)}else this.hls.trigger(d.a.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:t})},a._parseVTTs=function(e,t){var r=this.hls,i=this.prevCC,a=this.textTracks,n=this.vttCCs;n[e.cc]||(n[e.cc]={start:e.start,prevCC:i,new:!0},this.prevCC=e.cc),Gt(t,this.initPTS[e.cc],this.timescale[e.cc],n,e.cc,e.start,(function(t){var i=a[e.level];if("disabled"!==i.mode){var n=Number.MAX_SAFE_INTEGER;t.forEach((function(e){if(n=Math.min(e.startTime,n),!i.cues.getCueById(e.id))try{if(i.addCue(e),!i.cues.getCueById(e.id))throw new Error("addCue is failed for: "+e)}catch(r){u.b.debug("Failed occurred on adding cues: "+r);var t=new window.TextTrackCue(e.startTime,e.endTime,e.text);t.id=e.id,i.addCue(t)}}));for(var s=r.streamController.liveSyncPosition;t.length>0&&void 0!==s&&i.cues[0].startTime<n-300;)i.removeCue(i.cues[0]);r.trigger(d.a.SUBTITLE_FRAG_PROCESSED,{success:!0,frag:e})}else r.trigger(d.a.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:e})}),(function(t){u.b.log("Failed to parse VTT cue: "+t),r.trigger(d.a.SUBTITLE_FRAG_PROCESSED,{success:!1,frag:e})}))},a.onFragDecrypted=function(e){var t=e.frag,r=e.payload;if("subtitle"===t.type){if(!Object(l.a)(this.initPTS[t.cc]))return void this.unparsedVttFrags.push(e);this._parseVTTs(t,r)}},a.onFragParsingUserdata=function(e){if(this.enabled&&this.cea608Parser)for(var t=0;t<e.samples.length;t++){var r=e.samples[t].bytes;if(r){var i=this.extractCea608Data(r);this.cea608Parser.addData(e.samples[t].pts,i)}}},a.extractCea608Data=function(e){for(var t,r,i,a=31&e[0],n=2,s=[],o=0;o<a;o++)t=e[n++],r=127&e[n++],i=127&e[n++],0===r&&0===i||0!=(4&t)&&0===(3&t)&&(s.push(r),s.push(i));return s},i}(h);function Vt(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}function Yt(e){for(var t=[],r=0;r<e.length;r++){var i=e[r];"subtitles"===i.kind&&i.label&&t.push(e[r])}return t}var Wt=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.MEDIA_ATTACHED,d.a.MEDIA_DETACHING,d.a.MANIFEST_LOADED,d.a.SUBTITLE_TRACK_LOADED)||this).tracks=[],r.trackId=-1,r.media=null,r.stopped=!0,r.subtitleDisplay=!0,r.queuedDefaultTrack=null,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,o=i.prototype;return o.destroy=function(){h.prototype.destroy.call(this)},o.onMediaAttached=function(e){var t=this;this.media=e.media,this.media&&(Object(l.a)(this.queuedDefaultTrack)&&(this.subtitleTrack=this.queuedDefaultTrack,this.queuedDefaultTrack=null),this.trackChangeListener=this._onTextTracksChanged.bind(this),this.useTextTrackPolling=!(this.media.textTracks&&"onchange"in this.media.textTracks),this.useTextTrackPolling?this.subtitlePollingInterval=setInterval((function(){t.trackChangeListener()}),500):this.media.textTracks.addEventListener("change",this.trackChangeListener))},o.onMediaDetaching=function(){this.media&&(this.useTextTrackPolling?clearInterval(this.subtitlePollingInterval):this.media.textTracks.removeEventListener("change",this.trackChangeListener),Object(l.a)(this.subtitleTrack)&&(this.queuedDefaultTrack=this.subtitleTrack),Yt(this.media.textTracks).forEach((function(e){Ne(e)})),this.subtitleTrack=-1,this.media=null)},o.onManifestLoaded=function(e){var t=this,r=e.subtitles||[];this.tracks=r,this.hls.trigger(d.a.SUBTITLE_TRACKS_UPDATED,{subtitleTracks:r}),r.forEach((function(e){e.default&&(t.media?t.subtitleTrack=e.id:t.queuedDefaultTrack=e.id)}))},o.onSubtitleTrackLoaded=function(e){var t=this,r=e.id,i=e.details,a=this.trackId,n=this.tracks,s=n[a];if(r>=n.length||r!==a||!s||this.stopped)this._clearReloadTimer();else if(u.b.log("subtitle track "+r+" loaded"),i.live){var o=ae(s.details,i,e.stats.trequest);u.b.log("Reloading live subtitle playlist in "+o+"ms"),this.timer=setTimeout((function(){t._loadCurrentTrack()}),o)}else this._clearReloadTimer()},o.startLoad=function(){this.stopped=!1,this._loadCurrentTrack()},o.stopLoad=function(){this.stopped=!0,this._clearReloadTimer()},o._clearReloadTimer=function(){this.timer&&(clearTimeout(this.timer),this.timer=null)},o._loadCurrentTrack=function(){var e=this.trackId,t=this.tracks,r=this.hls,i=t[e];e<0||!i||i.details&&!i.details.live||(u.b.log("Loading subtitle track "+e),r.trigger(d.a.SUBTITLE_TRACK_LOADING,{url:i.url,id:e}))},o._toggleTrackModes=function(e){var t=this.media,r=this.subtitleDisplay,i=this.trackId;if(t){var a=Yt(t.textTracks);if(-1===e)[].slice.call(a).forEach((function(e){e.mode="disabled"}));else{var n=a[i];n&&(n.mode="disabled")}var s=a[e];s&&(s.mode=r?"showing":"hidden")}},o._setSubtitleTrackInternal=function(e){var t=this.hls,r=this.tracks;!Object(l.a)(e)||e<-1||e>=r.length||(this.trackId=e,u.b.log("Switching to subtitle track "+e),t.trigger(d.a.SUBTITLE_TRACK_SWITCH,{id:e}),this._loadCurrentTrack())},o._onTextTracksChanged=function(){if(this.media){for(var e=-1,t=Yt(this.media.textTracks),r=0;r<t.length;r++)if("hidden"===t[r].mode)e=r;else if("showing"===t[r].mode){e=r;break}this.subtitleTrack=e}},a=i,(n=[{key:"subtitleTracks",get:function(){return this.tracks}},{key:"subtitleTrack",get:function(){return this.trackId},set:function(e){this.trackId!==e&&(this._toggleTrackModes(e),this._setSubtitleTrackInternal(e))}}])&&Vt(a.prototype,n),s&&Vt(a,s),i}(h),qt=r(8);var zt,Xt=window.performance,Qt=function(e){var t,r;function i(t,r){var i;return(i=e.call(this,t,d.a.MEDIA_ATTACHED,d.a.MEDIA_DETACHING,d.a.ERROR,d.a.KEY_LOADED,d.a.FRAG_LOADED,d.a.SUBTITLE_TRACKS_UPDATED,d.a.SUBTITLE_TRACK_SWITCH,d.a.SUBTITLE_TRACK_LOADED,d.a.SUBTITLE_FRAG_PROCESSED,d.a.LEVEL_UPDATED)||this).fragmentTracker=r,i.config=t.config,i.state=pe,i.tracks=[],i.tracksBuffered=[],i.currentTrackId=-1,i.decrypter=new qt.a(t,t.config),i.lastAVStart=0,i._onMediaSeeking=i.onMediaSeeking.bind(function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(i)),i}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a=i.prototype;return a.onSubtitleFragProcessed=function(e){var t=e.frag,r=e.success;if(this.fragPrevious=t,this.state=me,r){var i=this.tracksBuffered[this.currentTrackId];if(i){for(var a,n=t.start,s=0;s<i.length;s++)if(n>=i[s].start&&n<=i[s].end){a=i[s];break}var o=t.start+t.duration;a?a.end=o:(a={start:n,end:o},i.push(a))}}},a.onMediaAttached=function(e){var t=e.media;this.media=t,t.addEventListener("seeking",this._onMediaSeeking),this.state=me},a.onMediaDetaching=function(){var e=this;this.media&&(this.media.removeEventListener("seeking",this._onMediaSeeking),this.fragmentTracker.removeAllFragments(),this.currentTrackId=-1,this.tracks.forEach((function(t){e.tracksBuffered[t.id]=[]})),this.media=null,this.state=pe)},a.onError=function(e){this.state=me},a.onSubtitleTracksUpdated=function(e){var t=this;u.b.log("subtitle tracks updated"),this.tracksBuffered=[],this.tracks=e.subtitleTracks,this.tracks.forEach((function(e){t.tracksBuffered[e.id]=[]}))},a.onSubtitleTrackSwitch=function(e){if(this.currentTrackId=e.id,this.tracks&&this.tracks.length&&-1!==this.currentTrackId){var t=this.tracks[this.currentTrackId];t&&t.details&&this.setInterval(500)}else this.clearInterval()},a.onSubtitleTrackLoaded=function(e){var t=e.id,r=e.details,i=this.currentTrackId,a=this.tracks,n=a[i];t>=a.length||t!==i||!n||(r.live&&function(e,t,r){void 0===r&&(r=0);var i=-1;ie(e,t,(function(e,t,r){t.start=e.start,i=r}));var a=t.fragments;if(i<0)a.forEach((function(e){e.start+=r}));else for(var n=i+1;n<a.length;n++)a[n].start=a[n-1].start+a[n-1].duration}(n.details,r,this.lastAVStart),n.details=r,this.setInterval(500))},a.onKeyLoaded=function(){this.state===be&&(this.state=me)},a.onFragLoaded=function(e){var t=this.fragCurrent,r=e.frag.decryptdata,i=e.frag,a=this.hls;if(this.state===Te&&t&&"subtitle"===e.frag.type&&t.sn===e.frag.sn&&e.payload.byteLength>0&&r&&r.key&&"AES-128"===r.method){var n=Xt.now();this.decrypter.decrypt(e.payload,r.key.buffer,r.iv.buffer,(function(e){var t=Xt.now();a.trigger(d.a.FRAG_DECRYPTED,{frag:i,payload:e,stats:{tstart:n,tdecrypt:t}})}))}},a.onLevelUpdated=function(e){var t=e.details.fragments;this.lastAVStart=t.length?t[0].start:0},a.doTick=function(){if(this.media)switch(this.state){case me:var e=this.config,t=this.currentTrackId,r=(this.fragmentTracker,this.media),i=this.tracks;if(!i||!i[t]||!i[t].details)break;var a,n=e.maxBufferHole,s=e.maxFragLookUpTolerance,o=Math.min(e.maxBufferLength,e.maxMaxBufferLength),l=H.bufferedInfo(this._getBuffered(),r.currentTime,n),c=l.end,h=l.len,f=i[t].details,g=f.fragments,p=g.length,v=g[p-1].start+g[p-1].duration;if(h>o)return;var m=this.fragPrevious;c<v?(m&&f.hasProgramDateTime&&(a=le(g,m.endProgramDateTime,s)),a||(a=de(m,g,c,s)),!a&&f.live&&m&&m.start<g[0].start&&(a=g[0],u.b.warn("Gap detected in live subtitle playlist, using next available fragment {start: "+a.start+"}"))):a=g[p-1],a&&a.encrypted?(u.b.log("Loading key for "+a.sn),this.state=be,this.hls.trigger(d.a.KEY_LOADING,{frag:a})):a&&this.fragmentTracker.getState(a)===U&&(this.fragCurrent=a,this.state=Te,this.hls.trigger(d.a.FRAG_LOADING,{frag:a}))}else this.state=me},a.stopLoad=function(){this.lastAVStart=0,e.prototype.stopLoad.call(this)},a._getBuffered=function(){return this.tracksBuffered[this.currentTrackId]||[]},a.onMediaSeeking=function(){this.fragPrevious=null},i}(Oe);!function(e){e.WIDEVINE="com.widevine.alpha",e.PLAYREADY="com.microsoft.playready"}(zt||(zt={}));var $t="undefined"!=typeof window&&window.navigator&&window.navigator.requestMediaKeySystemAccess?window.navigator.requestMediaKeySystemAccess.bind(window.navigator):null;function Jt(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}var Zt=function(e){var t,r;function i(t){var r;return(r=e.call(this,t,d.a.MEDIA_ATTACHED,d.a.MEDIA_DETACHED,d.a.MANIFEST_PARSED)||this)._widevineLicenseUrl=void 0,r._licenseXhrSetup=void 0,r._emeEnabled=void 0,r._requestMediaKeySystemAccess=void 0,r._config=void 0,r._mediaKeysList=[],r._media=null,r._hasSetMediaKeys=!1,r._requestLicenseFailureCount=0,r._onMediaEncrypted=function(e){u.b.log('Media is encrypted using "'+e.initDataType+'" init data type'),r._attemptSetMediaKeys(),r._generateRequestWithPreferredKeySession(e.initDataType,e.initData)},r._config=t.config,r._widevineLicenseUrl=r._config.widevineLicenseUrl,r._licenseXhrSetup=r._config.licenseXhrSetup,r._emeEnabled=r._config.emeEnabled,r._requestMediaKeySystemAccess=r._config.requestMediaKeySystemAccessFunc,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r;var a,n,s,l=i.prototype;return l.getLicenseServerUrl=function(e){switch(e){case zt.WIDEVINE:if(!this._widevineLicenseUrl)break;return this._widevineLicenseUrl}throw new Error('no license server URL configured for key-system "'+e+'"')},l._attemptKeySystemAccess=function(e,t,r){var i=this,a=function(e,t,r){switch(e){case zt.WIDEVINE:return function(e,t){var r={videoCapabilities:[]};return t.forEach((function(e){r.videoCapabilities.push({contentType:'video/mp4; codecs="'+e+'"'})})),[r]}(0,r);default:throw new Error("Unknown key-system: "+e)}}(e,0,r);u.b.log("Requesting encrypted media key-system access"),this.requestMediaKeySystemAccess(e,a).then((function(t){i._onMediaKeySystemAccessObtained(e,t)})).catch((function(t){u.b.error('Failed to obtain key-system "'+e+'" access:',t)}))},l._onMediaKeySystemAccessObtained=function(e,t){var r=this;u.b.log('Access for key-system "'+e+'" obtained');var i={mediaKeysSessionInitialized:!1,mediaKeySystemAccess:t,mediaKeySystemDomain:e};this._mediaKeysList.push(i),t.createMediaKeys().then((function(t){i.mediaKeys=t,u.b.log('Media-keys created for key-system "'+e+'"'),r._onMediaKeysCreated()})).catch((function(e){u.b.error("Failed to create media-keys:",e)}))},l._onMediaKeysCreated=function(){var e=this;this._mediaKeysList.forEach((function(t){t.mediaKeysSession||(t.mediaKeysSession=t.mediaKeys.createSession(),e._onNewMediaKeySession(t.mediaKeysSession))}))},l._onNewMediaKeySession=function(e){var t=this;u.b.log("New key-system session "+e.sessionId),e.addEventListener("message",(function(r){t._onKeySessionMessage(e,r.message)}),!1)},l._onKeySessionMessage=function(e,t){u.b.log("Got EME message event, creating license request"),this._requestLicense(t,(function(t){u.b.log("Received license data (length: "+(t?t.byteLength:t)+"), updating key-session"),e.update(t)}))},l._attemptSetMediaKeys=function(){if(!this._media)throw new Error("Attempted to set mediaKeys without first attaching a media element");if(!this._hasSetMediaKeys){var e=this._mediaKeysList[0];if(!e||!e.mediaKeys)return u.b.error("Fatal: Media is encrypted but no CDM access or no keys have been obtained yet"),void this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_KEYS,fatal:!0});u.b.log("Setting keys for encrypted media"),this._media.setMediaKeys(e.mediaKeys),this._hasSetMediaKeys=!0}},l._generateRequestWithPreferredKeySession=function(e,t){var r=this,i=this._mediaKeysList[0];if(!i)return u.b.error("Fatal: Media is encrypted but not any key-system access has been obtained yet"),void this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_ACCESS,fatal:!0});if(i.mediaKeysSessionInitialized)u.b.warn("Key-Session already initialized but requested again");else{var a=i.mediaKeysSession;if(!a)return u.b.error("Fatal: Media is encrypted but no key-session existing"),void this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_SESSION,fatal:!0});if(!t)return u.b.warn("Fatal: initData required for generating a key session is null"),void this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_INIT_DATA,fatal:!0});u.b.log('Generating key-session request for "'+e+'" init data type'),i.mediaKeysSessionInitialized=!0,a.generateRequest(e,t).then((function(){u.b.debug("Key-session generation succeeded")})).catch((function(e){u.b.error("Error generating key-session request:",e),r.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_SESSION,fatal:!1})}))}},l._createLicenseXhr=function(e,t,r){var i=new XMLHttpRequest,a=this._licenseXhrSetup;try{if(a)try{a(i,e)}catch(t){i.open("POST",e,!0),a(i,e)}i.readyState||i.open("POST",e,!0)}catch(e){throw new Error("issue setting up KeySystem license XHR "+e)}return i.responseType="arraybuffer",i.onreadystatechange=this._onLicenseRequestReadyStageChange.bind(this,i,e,t,r),i},l._onLicenseRequestReadyStageChange=function(e,t,r,i){switch(e.readyState){case 4:if(200===e.status)this._requestLicenseFailureCount=0,u.b.log("License request succeeded"),"arraybuffer"!==e.responseType&&u.b.warn("xhr response type was not set to the expected arraybuffer for license request"),i(e.response);else{if(u.b.error("License Request XHR failed ("+t+"). Status: "+e.status+" ("+e.statusText+")"),this._requestLicenseFailureCount++,this._requestLicenseFailureCount>3)return void this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_LICENSE_REQUEST_FAILED,fatal:!0});var a=3-this._requestLicenseFailureCount+1;u.b.warn("Retrying license request, "+a+" attempts left"),this._requestLicense(r,i)}}},l._generateLicenseRequestChallenge=function(e,t){switch(e.mediaKeySystemDomain){case zt.WIDEVINE:return t}throw new Error("unsupported key-system: "+e.mediaKeySystemDomain)},l._requestLicense=function(e,t){u.b.log("Requesting content license for key-system");var r=this._mediaKeysList[0];if(!r)return u.b.error("Fatal error: Media is encrypted but no key-system access has been obtained yet"),void this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_NO_ACCESS,fatal:!0});try{var i=this.getLicenseServerUrl(r.mediaKeySystemDomain),a=this._createLicenseXhr(i,e,t);u.b.log("Sending license request to URL: "+i);var n=this._generateLicenseRequestChallenge(r,e);a.send(n)}catch(e){u.b.error("Failure requesting DRM license: "+e),this.hls.trigger(d.a.ERROR,{type:o.b.KEY_SYSTEM_ERROR,details:o.a.KEY_SYSTEM_LICENSE_REQUEST_FAILED,fatal:!0})}},l.onMediaAttached=function(e){if(this._emeEnabled){var t=e.media;this._media=t,t.addEventListener("encrypted",this._onMediaEncrypted)}},l.onMediaDetached=function(){this._media&&(this._media.removeEventListener("encrypted",this._onMediaEncrypted),this._media=null)},l.onManifestParsed=function(e){if(this._emeEnabled){var t=e.levels.map((function(e){return e.audioCodec})),r=e.levels.map((function(e){return e.videoCodec}));this._attemptKeySystemAccess(zt.WIDEVINE,t,r)}},a=i,(n=[{key:"requestMediaKeySystemAccess",get:function(){if(!this._requestMediaKeySystemAccess)throw new Error("No requestMediaKeySystemAccess function configured");return this._requestMediaKeySystemAccess}}])&&Jt(a.prototype,n),s&&Jt(a,s),i}(h);function er(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}var tr=function(e){for(var t=1;t<arguments.length;t++){var r=null!=arguments[t]?arguments[t]:{},i=Object.keys(r);"function"==typeof Object.getOwnPropertySymbols&&(i=i.concat(Object.getOwnPropertySymbols(r).filter((function(e){return Object.getOwnPropertyDescriptor(r,e).enumerable})))),i.forEach((function(t){er(e,t,r[t])}))}return e}({autoStartLoad:!0,startPosition:-1,defaultAudioCodec:void 0,debug:!1,capLevelOnFPSDrop:!1,capLevelToPlayerSize:!1,initialLiveManifestSize:1,maxBufferLength:30,maxBufferSize:6e7,maxBufferHole:.5,lowBufferWatchdogPeriod:.5,highBufferWatchdogPeriod:3,nudgeOffset:.1,nudgeMaxRetry:3,maxFragLookUpTolerance:.25,liveSyncDurationCount:3,liveMaxLatencyDurationCount:1/0,liveSyncDuration:void 0,liveMaxLatencyDuration:void 0,liveDurationInfinity:!1,liveBackBufferLength:1/0,maxMaxBufferLength:600,enableWorker:!0,enableSoftwareAES:!0,manifestLoadingTimeOut:1e4,manifestLoadingMaxRetry:1,manifestLoadingRetryDelay:1e3,manifestLoadingMaxRetryTimeout:64e3,startLevel:void 0,levelLoadingTimeOut:1e4,levelLoadingMaxRetry:4,levelLoadingRetryDelay:1e3,levelLoadingMaxRetryTimeout:64e3,fragLoadingTimeOut:2e4,fragLoadingMaxRetry:6,fragLoadingRetryDelay:1e3,fragLoadingMaxRetryTimeout:64e3,startFragPrefetch:!1,fpsDroppedMonitoringPeriod:5e3,fpsDroppedMonitoringThreshold:.2,appendErrorMaxRetry:3,loader:tt,fLoader:void 0,pLoader:void 0,xhrSetup:void 0,licenseXhrSetup:void 0,abrController:Ye,bufferController:qe,capLevelController:Xe,fpsController:$e,stretchShortVideoTrack:!1,maxAudioFramesDrift:1,forceKeyFrameOnDiscontinuity:!0,abrEwmaFastLive:3,abrEwmaSlowLive:9,abrEwmaFastVoD:3,abrEwmaSlowVoD:9,abrEwmaDefaultEstimate:5e5,abrBandWidthFactor:.95,abrBandWidthUpFactor:.7,abrMaxWithRealBitrate:!1,maxStarvationDelay:4,maxLoadingDelay:4,minAutoBitrate:0,emeEnabled:!1,widevineLicenseUrl:void 0,requestMediaKeySystemAccessFunc:$t},function(){0;return{cueHandler:i,enableCEA708Captions:!0,enableWebVTT:!0,captionsTextTrack1Label:"English",captionsTextTrack1LanguageCode:"en",captionsTextTrack2Label:"Spanish",captionsTextTrack2LanguageCode:"es"}}(),{subtitleStreamController:Qt,subtitleTrackController:Wt,timelineController:Ht,audioStreamController:st,audioTrackController:it,emeController:Zt});function rr(e,t,r){return t in e?Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0}):e[t]=r,e}function ir(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function ar(e,t){for(var r=0;r<t.length;r++){var i=t[r];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}function nr(e,t,r){return t&&ar(e.prototype,t),r&&ar(e,r),e}r.d(t,"default",(function(){return sr}));var sr=function(e){var t,r;function i(t){var r;void 0===t&&(t={}),(r=e.call(this)||this).config=void 0,r._autoLevelCapping=void 0,r.abrController=void 0,r.capLevelController=void 0,r.levelController=void 0,r.streamController=void 0,r.networkControllers=void 0,r.audioTrackController=void 0,r.subtitleTrackController=void 0,r.emeController=void 0,r.coreComponents=void 0,r.media=null,r.url=null;var a=i.DefaultConfig;if((t.liveSyncDurationCount||t.liveMaxLatencyDurationCount)&&(t.liveSyncDuration||t.liveMaxLatencyDuration))throw new Error("Illegal hls.js config: don't mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration");r.config=function(e){for(var t=1;t<arguments.length;t++){var r=null!=arguments[t]?arguments[t]:{},i=Object.keys(r);"function"==typeof Object.getOwnPropertySymbols&&(i=i.concat(Object.getOwnPropertySymbols(r).filter((function(e){return Object.getOwnPropertyDescriptor(r,e).enumerable})))),i.forEach((function(t){rr(e,t,r[t])}))}return e}({},a,t);var n=ir(r).config;if(void 0!==n.liveMaxLatencyDurationCount&&n.liveMaxLatencyDurationCount<=n.liveSyncDurationCount)throw new Error('Illegal hls.js config: "liveMaxLatencyDurationCount" must be gt "liveSyncDurationCount"');if(void 0!==n.liveMaxLatencyDuration&&(void 0===n.liveSyncDuration||n.liveMaxLatencyDuration<=n.liveSyncDuration))throw new Error('Illegal hls.js config: "liveMaxLatencyDuration" must be gt "liveSyncDuration"');Object(u.a)(n.debug),r._autoLevelCapping=-1;var s=r.abrController=new n.abrController(ir(r)),o=new n.bufferController(ir(r)),l=r.capLevelController=new n.capLevelController(ir(r)),d=new n.fpsController(ir(r)),c=new x(ir(r)),h=new M(ir(r)),f=new F(ir(r)),g=new Ge(ir(r)),p=r.levelController=new Me(ir(r)),v=new K(ir(r)),m=[p,r.streamController=new Ie(ir(r),v)],y=n.audioStreamController;y&&m.push(new y(ir(r),v)),r.networkControllers=m;var b=[c,h,f,s,o,l,d,g,v];if(y=n.audioTrackController){var T=new y(ir(r));r.audioTrackController=T,b.push(T)}if(y=n.subtitleTrackController){var E=new y(ir(r));r.subtitleTrackController=E,m.push(E)}if(y=n.emeController){var S=new y(ir(r));r.emeController=S,b.push(S)}return(y=n.subtitleStreamController)&&m.push(new y(ir(r),v)),(y=n.timelineController)&&b.push(new y(ir(r))),r.coreComponents=b,r}r=e,(t=i).prototype=Object.create(r.prototype),t.prototype.constructor=t,t.__proto__=r,i.isSupported=function(){return function(){var e=q();if(!e)return!1;var t=self.SourceBuffer||self.WebKitSourceBuffer,r=e&&"function"==typeof e.isTypeSupported&&e.isTypeSupported('video/mp4; codecs="avc1.42E01E,mp4a.40.2"'),i=!t||t.prototype&&"function"==typeof t.prototype.appendBuffer&&"function"==typeof t.prototype.remove;return!!r&&!!i}()},nr(i,null,[{key:"version",get:function(){}},{key:"Events",get:function(){return d.a}},{key:"ErrorTypes",get:function(){return o.b}},{key:"ErrorDetails",get:function(){return o.a}},{key:"DefaultConfig",get:function(){return i.defaultConfig?i.defaultConfig:tr},set:function(e){i.defaultConfig=e}}]);var a=i.prototype;return a.destroy=function(){u.b.log("destroy"),this.trigger(d.a.DESTROYING),this.detachMedia(),this.coreComponents.concat(this.networkControllers).forEach((function(e){e.destroy()})),this.url=null,this.removeAllListeners(),this._autoLevelCapping=-1},a.attachMedia=function(e){u.b.log("attachMedia"),this.media=e,this.trigger(d.a.MEDIA_ATTACHING,{media:e})},a.detachMedia=function(){u.b.log("detachMedia"),this.trigger(d.a.MEDIA_DETACHING),this.media=null},a.loadSource=function(e){e=s.buildAbsoluteURL(window.location.href,e,{alwaysNormalize:!0}),u.b.log("loadSource:"+e),this.url=e,this.trigger(d.a.MANIFEST_LOADING,{url:e})},a.startLoad=function(e){void 0===e&&(e=-1),u.b.log("startLoad("+e+")"),this.networkControllers.forEach((function(t){t.startLoad(e)}))},a.stopLoad=function(){u.b.log("stopLoad"),this.networkControllers.forEach((function(e){e.stopLoad()}))},a.swapAudioCodec=function(){u.b.log("swapAudioCodec"),this.streamController.swapAudioCodec()},a.recoverMediaError=function(){u.b.log("recoverMediaError");var e=this.media;this.detachMedia(),e&&this.attachMedia(e)},nr(i,[{key:"levels",get:function(){return this.levelController.levels}},{key:"currentLevel",get:function(){return this.streamController.currentLevel},set:function(e){u.b.log("set currentLevel:"+e),this.loadLevel=e,this.streamController.immediateLevelSwitch()}},{key:"nextLevel",get:function(){return this.streamController.nextLevel},set:function(e){u.b.log("set nextLevel:"+e),this.levelController.manualLevel=e,this.streamController.nextLevelSwitch()}},{key:"loadLevel",get:function(){return this.levelController.level},set:function(e){u.b.log("set loadLevel:"+e),this.levelController.manualLevel=e}},{key:"nextLoadLevel",get:function(){return this.levelController.nextLoadLevel},set:function(e){this.levelController.nextLoadLevel=e}},{key:"firstLevel",get:function(){return Math.max(this.levelController.firstLevel,this.minAutoLevel)},set:function(e){u.b.log("set firstLevel:"+e),this.levelController.firstLevel=e}},{key:"startLevel",get:function(){return this.levelController.startLevel},set:function(e){u.b.log("set startLevel:"+e),-1!==e&&(e=Math.max(e,this.minAutoLevel)),this.levelController.startLevel=e}},{key:"capLevelToPlayerSize",set:function(e){var t=!!e;t!==this.config.capLevelToPlayerSize&&(t?this.capLevelController.startCapping():(this.capLevelController.stopCapping(),this.autoLevelCapping=-1,this.streamController.nextLevelSwitch()),this.config.capLevelToPlayerSize=t)}},{key:"autoLevelCapping",get:function(){return this._autoLevelCapping},set:function(e){u.b.log("set autoLevelCapping:"+e),this._autoLevelCapping=e}},{key:"bandwidthEstimate",get:function(){var e=this.abrController._bwEstimator;return e?e.getEstimate():NaN}},{key:"autoLevelEnabled",get:function(){return-1===this.levelController.manualLevel}},{key:"manualLevel",get:function(){return this.levelController.manualLevel}},{key:"minAutoLevel",get:function(){for(var e=this.levels,t=this.config.minAutoBitrate,r=e?e.length:0,i=0;i<r;i++){if((e[i].realBitrate?Math.max(e[i].realBitrate,e[i].bitrate):e[i].bitrate)>t)return i}return 0}},{key:"maxAutoLevel",get:function(){var e=this.levels,t=this.autoLevelCapping;return-1===t&&e&&e.length?e.length-1:t}},{key:"nextAutoLevel",get:function(){return Math.min(Math.max(this.abrController.nextAutoLevel,this.minAutoLevel),this.maxAutoLevel)},set:function(e){this.abrController.nextAutoLevel=Math.max(this.minAutoLevel,e)}},{key:"audioTracks",get:function(){var e=this.audioTrackController;return e?e.audioTracks:[]}},{key:"audioTrack",get:function(){var e=this.audioTrackController;return e?e.audioTrack:-1},set:function(e){var t=this.audioTrackController;t&&(t.audioTrack=e)}},{key:"liveSyncPosition",get:function(){return this.streamController.liveSyncPosition}},{key:"subtitleTracks",get:function(){var e=this.subtitleTrackController;return e?e.subtitleTracks:[]}},{key:"subtitleTrack",get:function(){var e=this.subtitleTrackController;return e?e.subtitleTrack:-1},set:function(e){var t=this.subtitleTrackController;t&&(t.subtitleTrack=e)}},{key:"subtitleDisplay",get:function(){var e=this.subtitleTrackController;return!!e&&e.subtitleDisplay},set:function(e){var t=this.subtitleTrackController;t&&(t.subtitleDisplay=e)}}]),i}(X);sr.defaultConfig=void 0}]).default})); //# sourceMappingURL=hls.min.js.map \ No newline at end of file diff --git a/dist/hls.min.js.map b/dist/hls.min.js.map index 87d15fed0de..79868a5a5b6 100644 --- a/dist/hls.min.js.map +++ b/dist/hls.min.js.map @@ -1 +1 @@ -{"version":3,"sources":["webpack://Hls/webpack/universalModuleDefinition","webpack://Hls/webpack/bootstrap","webpack://Hls/./src/utils/logger.js","webpack://Hls/./src/events.js","webpack://Hls/./src/errors.ts","webpack://Hls/./src/polyfills/number-isFinite.js","webpack://Hls/./src/demux/id3.js","webpack://Hls/./src/utils/get-self-scope.js","webpack://Hls/./node_modules/url-toolkit/src/url-toolkit.js","webpack://Hls/./src/crypt/aes-crypto.js","webpack://Hls/./src/crypt/fast-aes-key.js","webpack://Hls/./src/crypt/aes-decryptor.js","webpack://Hls/./src/crypt/decrypter.js","webpack://Hls/./node_modules/eventemitter3/index.js","webpack://Hls/./src/demux/adts.js","webpack://Hls/./src/demux/aacdemuxer.js","webpack://Hls/./src/demux/mpegaudio.js","webpack://Hls/./src/demux/exp-golomb.js","webpack://Hls/./src/demux/sample-aes.js","webpack://Hls/./src/demux/tsdemuxer.js","webpack://Hls/./src/demux/mp3demuxer.js","webpack://Hls/./src/remux/aac-helper.js","webpack://Hls/./src/remux/mp4-generator.js","webpack://Hls/./src/utils/timescale-conversion.ts","webpack://Hls/./src/remux/mp4-remuxer.js","webpack://Hls/./src/demux/demuxer-inline.js","webpack://Hls/./src/remux/passthrough-remuxer.js","webpack://Hls/./src/demux/mp4demuxer.js","webpack://Hls/./node_modules/webworkify-webpack/index.js","webpack://Hls/./src/demux/demuxer-worker.js","webpack://Hls/./src/types/loader.ts","webpack://Hls/./src/event-handler.ts","webpack://Hls/./src/loader/fragment.ts","webpack://Hls/./src/loader/level-key.ts","webpack://Hls/./src/loader/level.js","webpack://Hls/./src/utils/attr-list.js","webpack://Hls/./src/utils/codecs.ts","webpack://Hls/./src/loader/m3u8-parser.ts","webpack://Hls/./src/loader/playlist-loader.ts","webpack://Hls/./src/loader/fragment-loader.js","webpack://Hls/./src/loader/key-loader.ts","webpack://Hls/./src/controller/fragment-tracker.js","webpack://Hls/./src/utils/binary-search.ts","webpack://Hls/./src/utils/buffer-helper.ts","webpack://Hls/./src/utils/mediasource-helper.ts","webpack://Hls/./src/observer.ts","webpack://Hls/./src/demux/demuxer.js","webpack://Hls/./src/controller/level-helper.js","webpack://Hls/./src/utils/time-ranges.ts","webpack://Hls/./src/utils/discontinuities.js","webpack://Hls/./src/controller/fragment-finders.ts","webpack://Hls/./src/controller/gap-controller.js","webpack://Hls/./src/task-loop.ts","webpack://Hls/./src/controller/base-stream-controller.js","webpack://Hls/./src/controller/stream-controller.js","webpack://Hls/./src/controller/level-controller.js","webpack://Hls/./src/utils/texttrack-utils.ts","webpack://Hls/./src/controller/id3-track-controller.js","webpack://Hls/./src/utils/ewma.ts","webpack://Hls/./src/utils/ewma-bandwidth-estimator.ts","webpack://Hls/./src/controller/abr-controller.js","webpack://Hls/./src/controller/buffer-controller.ts","webpack://Hls/./src/controller/cap-level-controller.js","webpack://Hls/./src/controller/fps-controller.js","webpack://Hls/./src/utils/xhr-loader.js","webpack://Hls/./src/controller/audio-track-controller.js","webpack://Hls/./src/controller/audio-stream-controller.js","webpack://Hls/./src/utils/vttcue.js","webpack://Hls/./src/utils/vttparser.js","webpack://Hls/./src/utils/cues.ts","webpack://Hls/./src/utils/cea-608-parser.ts","webpack://Hls/./src/utils/output-filter.ts","webpack://Hls/./src/utils/webvtt-parser.js","webpack://Hls/./src/controller/timeline-controller.ts","webpack://Hls/./src/controller/subtitle-track-controller.js","webpack://Hls/./src/utils/mediakeys-helper.ts","webpack://Hls/./src/controller/subtitle-stream-controller.js","webpack://Hls/./src/controller/eme-controller.ts","webpack://Hls/./src/config.ts","webpack://Hls/./src/hls.ts","webpack://Hls/./src/is-supported.ts"],"names":["root","factory","exports","module","define","amd","this","enumerable","get","getter","value","key","bind","Object","prototype","hasOwnProperty","call","object","property","noop","fakeLogger","trace","debug","log","warn","info","error","exportedLogger","formatMsg","type","msg","global","getSelfScope","consolePrintFn","func","console","args","apply","enableLogs","debugConfig","functions","forEach","exportLoggerFunctions","e","logger","HlsEvents","MEDIA_ATTACHING","MEDIA_ATTACHED","MEDIA_DETACHING","MEDIA_DETACHED","BUFFER_RESET","BUFFER_CODECS","BUFFER_CREATED","BUFFER_APPENDING","BUFFER_APPENDED","BUFFER_EOS","BUFFER_FLUSHING","BUFFER_FLUSHED","MANIFEST_LOADING","MANIFEST_LOADED","MANIFEST_PARSED","LEVEL_SWITCHING","LEVEL_SWITCHED","LEVEL_LOADING","LEVEL_LOADED","LEVEL_UPDATED","LEVEL_PTS_UPDATED","LIVE_BACK_BUFFER_REACHED","AUDIO_TRACKS_UPDATED","AUDIO_TRACK_SWITCHING","AUDIO_TRACK_SWITCHED","AUDIO_TRACK_LOADING","AUDIO_TRACK_LOADED","SUBTITLE_TRACKS_UPDATED","SUBTITLE_TRACK_SWITCH","SUBTITLE_TRACK_LOADING","SUBTITLE_TRACK_LOADED","SUBTITLE_FRAG_PROCESSED","INIT_PTS_FOUND","FRAG_LOADING","FRAG_LOAD_PROGRESS","FRAG_LOAD_EMERGENCY_ABORTED","FRAG_LOADED","FRAG_DECRYPTED","FRAG_PARSING_INIT_SEGMENT","FRAG_PARSING_USERDATA","FRAG_PARSING_METADATA","FRAG_PARSING_DATA","FRAG_PARSED","FRAG_BUFFERED","FRAG_CHANGED","FPS_DROP","FPS_DROP_LEVEL_CAPPING","ERROR","DESTROYING","KEY_LOADING","KEY_LOADED","STREAM_STATE_TRANSITION","CAN_PLAY_AFTER_SEEK","ErrorTypes","ErrorDetails","isFiniteNumber","Number","isFinite","decoder","ID3","isHeader","data","offset","length","isFooter","getID3Data","front","_readSize","subarray","size","getTimeStamp","frames","getID3Frames","i","frame","isTimeStampFrame","_readTimeStamp","_getFrameData","String","fromCharCode","id3Data","end","frameData","_decodeFrame","push","_decodePrivFrame","_decodeTextFrame","_decodeURLFrame","timeStampFrame","byteLength","Uint8Array","pts33Bit","timestamp","Math","round","owner","_utf8ArrayToStr","privateData","buffer","index","description","text","url","array","exitOnNull","getTextDecoder","decoded","decode","idx","indexOf","substring","replace","c","char2","char3","len","out","TextDecoder","utf8ArrayToStr","window","self","URL_REGEX","FIRST_SEGMENT_REGEX","SLASH_DOT_REGEX","SLASH_DOT_DOT_REGEX","URLToolkit","buildAbsoluteURL","baseURL","relativeURL","opts","trim","alwaysNormalize","basePartsForNormalise","parseURL","Error","path","normalizePath","buildURLFromParts","relativeParts","scheme","baseParts","netLoc","pathParts","exec","builtParts","params","query","fragment","baseURLPath","newPath","lastIndexOf","parts","split","reverse","join","AESCrypto","subtle","iv","aesIV","decrypt","name","FastAESKey","expandKey","importKey","AESDecryptor","rcon","subMix","Uint32Array","invSubMix","sBox","invSBox","initTable","uint8ArrayToUint32Array_","arrayBuffer","view","DataView","newArray","getUint32","subMix0","subMix1","subMix2","subMix3","invSubMix0","invSubMix1","invSubMix2","invSubMix3","d","x","xi","sx","x2","x4","x8","t","keyBuffer","sameKey","keySize","ksRow","invKsRow","prev","ksRows","keySchedule","invKeySchedule","sbox","networkToHostOrderSwap","word","inputArrayBuffer","removePKCS7Padding","t0","t1","t2","t3","s0","s1","s2","s3","inputWords0","inputWords1","inputWords2","inputWords3","outputBytes","paddingBytes","nRounds","invSBOX","initVector","initVector0","initVector1","initVector2","initVector3","inputInt32","Int32Array","outputInt32","swapWord","getUint8","slice","destroy","undefined","Decrypter","observer","config","logEnabled","browserCrypto","crypto","webkitSubtle","disableWebCrypto","isSync","enableSoftwareAES","callback","decryptor","fastAesKey","then","aesKey","catch","err","onWebCryptoError","result","message","trigger","Event","MEDIA_ERROR","details","FRAG_DECRYPT_ERROR","fatal","reason","has","prefix","Events","EE","fn","context","once","addListener","emitter","event","TypeError","listener","evt","_events","_eventsCount","clearEvent","EventEmitter","create","__proto__","eventNames","events","names","getOwnPropertySymbols","concat","listeners","handlers","l","ee","Array","listenerCount","emit","a1","a2","a3","a4","a5","arguments","removeListener","j","on","removeAllListeners","off","prefixed","isHeaderPattern","getHeaderLength","getFullFrameLength","probe","frameLength","newOffset","initTrackConfig","track","audioCodec","samplerate","adtsObjectType","adtsSampleingIndex","adtsExtensionSampleingIndex","adtsChanelConfig","userAgent","navigator","toLowerCase","manifestCodec","adtsSampleingRates","test","channelCount","codec","FRAG_PARSING_ERROR","getAudioConfig","getFrameDuration","appendFrame","pts","frameIndex","header","frameDuration","headerLength","stamp","parseFrameHeader","aacSample","unit","dts","samples","sample","AACDemuxer","remuxer","resetInitSegment","initSegment","videoCodec","duration","_audioTrack","container","id","sequenceNumber","isAAC","inputTimeScale","resetTimeStamp","ADTS","append","timeOffset","contiguous","accurateTimeOffset","id3Samples","remux","MpegAudio","BitratesMap","SamplingRateMap","SamplesCoefficients","BytesInSlot","parseHeader","samplesPerFrame","sampleRate","headerB","headerC","headerE","headerF","headerG","columnInBitrates","bitRate","columnInSampleRates","sampleCoefficient","bytesInSlot","parseInt","ExpGolomb","bytesAvailable","bitsAvailable","loadWord","position","workingBytes","availableBytes","min","set","skipBits","count","skipBytes","readBits","bits","valu","skipLZ","leadingZeroCount","skipUEG","skipEG","readUEG","clz","readEG","readBoolean","readUByte","readUShort","readUInt","skipScalingList","lastScale","nextScale","readSPS","profileIdc","numRefFramesInPicOrderCntCycle","picWidthInMbsMinus1","picHeightInMapUnitsMinus1","frameMbsOnlyFlag","scalingListCount","frameCropLeftOffset","frameCropRightOffset","frameCropTopOffset","frameCropBottomOffset","chromaFormatIdc","picOrderCntType","pixelRatio","width","ceil","height","readSliceType","SampleAesDecrypter","decryptdata","discardEPB","decrypter","decryptBuffer","encryptedData","decryptAacSample","sampleIndex","sync","curUnit","encryptedBuffer","byteOffset","localthis","decryptedData","decryptAacSamples","getAvcEncryptedData","decodedData","encryptedDataLen","floor","Int8Array","outputPos","inputPos","getAvcDecryptedUnit","decryptAvcSample","unitIndex","decryptAvcSamples","curUnits","units","RemuxerTrackIdConfig","video","audio","id3","TSDemuxer","typeSupported","sampleAes","setDecryptData","method","syncOffset","_syncOffset","scanwindow","createTrack","pid","dropped","pmtParsed","_pmtId","_avcTrack","_id3Track","_txtTrack","aacOverFlow","aacLastPTS","avcSample","_duration","start","stt","pes","unknownPIDs","avcTrack","audioTrack","id3Track","avcId","audioId","id3Id","pmtId","avcData","pesData","audioData","parsePAT","_parsePAT","parsePMT","_parsePMT","parsePES","_parsePES","parseAVCPES","_parseAVCPES","parseAACPES","_parseAACPES","parseMPEGPES","_parseMPEGPES","parseID3PES","_parseID3PES","parsedPIDs","mpeg","mp3","avc","decryptAndRemux","videoTrack","textTrack","decryptAndRemuxAvc","_initPTS","_initDTS","mpegSupported","isSampleAes","tableEnd","stream","frag","pesFlags","pesLen","pesHdrLen","pesPts","pesDts","payloadStartOffset","newData","splice","dataLen","pushAccesUnit","nbSamples","isNaN","lastSample","forceKeyFrameOnDiscontinuity","sps","last","expGolombDecoder","_parseAVCNALu","spsfound","createAVCSample","audFound","sliceType","payloadType","payloadSize","endOfCaptions","b","firstByte","totalCCs","byteArray","_insertSampleInOrder","bytes","uuidStrArray","toString","userDataPayloadBytes","uuid","userDataBytes","userData","codecarray","codecstring","h","pps","arr","pos","_getLastNalUnit","lastUnit","overflow","lastUnitType","state","naluState","lastState","lastUnitStart","tmp","newLength","EPBPositions","sourceIndex","shift","newPTS","abs","MP3Demuxer","AAC","getSilentFrame","UINT32_MAX","pow","MP4","init","types","avc1","avcC","btrt","dinf","dref","esds","ftyp","hdlr","mdat","mdhd","mdia","mfhd","minf","moof","moov","mp4a","mvex","mvhd","pasp","sdtp","stbl","stco","stsc","stsd","stsz","stts","tfdt","tfhd","traf","trak","trun","trex","tkhd","vmhd","smhd","charCodeAt","videoHdlr","audioHdlr","HDLR_TYPES","STTS","STSC","STCO","STSZ","VMHD","SMHD","STSD","majorBrand","avc1Brand","minorVersion","FTYP","box","DINF","payload","timescale","upperWordDuration","lowerWordDuration","sn","baseMediaDecodeTime","tracks","boxes","flags","dependsOn","isDependedOn","hasRedundancy","avcc","hSpacing","vSpacing","configlen","sampleDependencyTable","upperWordBaseMediaDecodeTime","lowerWordBaseMediaDecodeTime","cts","arraylen","isLeading","paddingValue","isNonSync","degradPrio","movie","toTimescaleFromBase","destScale","srcBase","toMsFromMpegTsClock","toMpegTsClockFromTimescale","srcScale","now","MAX_SILENT_FRAME_DURATION_90KHZ","PTS_DTS_SHIFT_TOLERANCE_90KHZ","MP4Remuxer","vendor","isSafari","match","ISGenerated","defaultTimeStamp","generateIS","nbAudioSamples","nbVideoSamples","audioTimeOffset","videoTimeOffset","audiovideoDeltaDts","max","audioTrackLength","remuxAudio","endPTS","startPTS","remuxVideo","videoData","remuxEmptyAudio","remuxID3","remuxText","initPTS","initDTS","audioSamples","videoSamples","computePTSDTS","Infinity","metadata","keys","mp4SampleDuration","firstPTS","firstDTS","lastPTS","lastDTS","timeScale","inputSamples","outputSamples","ptsNormalize","_PTSNormalize","nextAvcDts","sort","a","deltadts","deltapts","PTSDTSshift","reduce","curr","delta","nbNalu","naluLen","nbUnits","sampleLen","mdatSize","MUX_ERROR","REMUX_ALLOC_ERROR","setUint32","avcSampleUnits","mp4SampleLength","compositionTimeOffset","unitData","unitDataLen","lastFrameDuration","stretchShortVideoTrack","maxBufferHole","gapTolerance","deltaToFrameEnd","nextAudioPts","data1","data2","startDTS","endDTS","hasAudio","hasVideo","nb","mp4Sample","fillFrame","mp4timeScale","scaleFactor","inputSampleDuration","rawMPEG","filter","maxAudioFramesDrift","nextPts","missing","newStamp","audioSample","numMissingFrames","unitLen","lastSampleDuration","silentFrame","reference","PassThroughRemuxer","rawData","streamType","performance","Date","DemuxerInline","demuxer","discontinuity","trackSwitch","defaultInitPTS","startTime","endTime","stats","tstart","tdecrypt","pushDecrypted","muxConfig","demux","MP4Demuxer","mux","initData","parseInitSegment","audiovideo","findBox","bin2str","readUint16","val","readUint32","writeUint32","subresults","endbox","results","parseSegmentIndex","references","moovEndOffset","sidx","version","startByte","referencesCount","referenceIndex","referenceInfo","referenceSize","subsegmentDuration","earliestPresentationTime","trackId","codecBox","codecType","getStartDTS","trafs","baseTimes","map","scale","offsetStartDTS","upper","lower","webpackBootstrapFunc","modules","installedModules","__webpack_require__","moduleId","m","o","defineProperty","configurable","r","n","__esModule","p","oe","f","s","ENTRY_MODULE","default","dependencyRegExp","quoteRegExp","str","getModuleDependencies","sources","queueName","retval","fnString","wrapperSignature","webpackRequireName","re","RegExp","hasValuesInQueues","queues","hasValues","options","main","requiredModules","all","modulesQueue","seenModules","moduleToCheck","pop","newModules","newModulesKeys","getRequiredModules","src","entryModule","JSON","stringify","blob","Blob","bare","workerUrl","URL","webkitURL","mozURL","msURL","createObjectURL","worker","Worker","objectURL","DemuxerWorker","forwardMessage","ev","postMessage","addEventListener","cmd","parse","transferable","PlaylistContextType","PlaylistLevelType","FORBIDDEN_EVENT_NAMES","EventHandler","hls","handledEvents","useGenericHandler","onEvent","registerListeners","onHandlerDestroying","unregisterListeners","onHandlerDestroyed","isEventHandler","onEventGeneric","funcName","constructor","OTHER_ERROR","INTERNAL_EXCEPTION","ElementaryStreamTypes","LevelKey","baseURI","relativeURI","_uri","baseuri","reluri","Fragment","_url","_byteRange","_decryptdata","_elementaryStreams","AUDIO","VIDEO","deltaPTS","rawProgramDateTime","programDateTime","title","tagList","cc","relurl","baseurl","urlId","level","levelkey","loader","setByteRange","previousFrag","byteRange","byteRangeEndOffset","addElementaryStream","hasElementaryStream","createInitializationVector","segmentNumber","uint8View","setDecryptDataFromLevelKey","uri","Level","baseUrl","endCC","endSN","fragments","live","needSidxRanges","startCC","startSN","startTimeOffset","targetduration","totalduration","DECIMAL_RESOLUTION_REGEX","ATTR_LIST_REGEX","AttrList","attrs","attr","parseAttrList","decimalInteger","attrName","intValue","MAX_SAFE_INTEGER","hexadecimalInteger","stringValue","hexadecimalIntegerAsNumber","decimalFloatingPoint","parseFloat","enumeratedString","decimalResolution","res","input","lastIndex","sampleEntryCodesISO","isCodecSupportedInMp4","MediaSource","isTypeSupported","MASTER_PLAYLIST_REGEX","MASTER_PLAYLIST_MEDIA_REGEX","LEVEL_PLAYLIST_REGEX_FAST","source","LEVEL_PLAYLIST_REGEX_SLOW","MP4_REGEX_SUFFIX","M3U8Parser","findGroup","groups","mediaGroupId","group","convertAVC1ToAVCOTI","avcdata","substr","resolve","parseMasterPlaylist","string","levels","setCodecs","codecs","filtered","typeCodes","isCodecType","preferred","unknownCodecs","resolution","bitrate","NAME","CODECS","parseMasterPlaylistMedia","audioGroups","medias","TYPE","media","groupId","LANGUAGE","DEFAULT","autoselect","AUTOSELECT","forced","FORCED","lang","URI","groupCodec","parseLevelPlaylist","levelUrlId","currentSN","discontinuityCounter","prevFrag","firstPdtIndex","assignProgramDateTime","value1","value2","toUpperCase","keyAttrs","decryptmethod","decrypturi","decryptiv","mapAttrs","BYTERANGE","averagetargetduration","every","startIndex","fragPrev","backfillProgramDateTimes","endProgramDateTime","PlaylistLoader","loaders","canHaveQualityLevels","AUDIO_TRACK","SUBTITLE_TRACK","mapContextToLevelType","SUBTITLE","MAIN","getResponseUrl","response","createInternalLoader","PLoader","pLoader","Loader","getInternalLoader","resetInternalLoader","contextType","destroyInternalLoaders","onManifestLoading","load","MANIFEST","responseType","onLevelLoading","LEVEL","onAudioTrackLoading","onSubtitleTrackLoading","maxRetry","timeout","retryDelay","maxRetryDelay","loaderContext","abort","manifestLoadingMaxRetry","manifestLoadingTimeOut","manifestLoadingRetryDelay","manifestLoadingMaxRetryTimeout","levelLoadingTimeOut","levelLoadingMaxRetry","levelLoadingRetryDelay","levelLoadingMaxRetryTimeout","loaderConfig","loaderCallbacks","onSuccess","loadsuccess","onError","loaderror","onTimeout","loadtimeout","networkDetails","isSidxRequest","_handleSidxRequest","_handlePlaylistLoaded","tload","_handleTrackOrLevelPlaylist","_handleMasterPlaylist","_handleManifestParsingError","_handleNetworkError","audioTracks","subtitles","embeddedAudioFound","unshift","levelId","levelType","levelDetails","singleLevel","tparsed","sidxUrl","rangeStart","rangeEnd","sidxInfo","sidxReferences","segmentRef","segRefInfo","NETWORK_ERROR","MANIFEST_PARSING_ERROR","MANIFEST_LOAD_TIMEOUT","MANIFEST_LOAD_ERROR","LEVEL_LOAD_TIMEOUT","LEVEL_LOAD_ERROR","AUDIO_TRACK_LOAD_TIMEOUT","AUDIO_TRACK_LOAD_ERROR","errorData","FragmentLoader","loaderName","onFragLoading","FragmentILoader","fLoader","DefaultILoader","loaded","progressData","byteRangeStartOffset","fragLoadingTimeOut","fragLoadingMaxRetryTimeout","onProgress","loadprogress","FRAG_LOAD_ERROR","FRAG_LOAD_TIMEOUT","KeyLoader","decryptkey","decrypturl","onKeyLoading","fragLoadingRetryDelay","KEY_LOAD_ERROR","KEY_LOAD_TIMEOUT","FragmentState","FragmentTracker","bufferPadding","timeRanges","getBufferedFrag","bufferedFrags","fragmentEntity","body","buffered","bufferedFragKey","detectEvictedFragments","elementaryStream","timeRange","fragmentTimes","time","esData","range","isTimeBuffered","removeFragment","detectPartialFragments","fragKey","getFragmentKey","getBufferedTimes","fragmentPartial","partial","getPartialFragment","timePadding","bestFragment","bestOverlap","isPartial","getState","onFragLoaded","bitrateTest","onBufferAppended","onFragBuffered","hasFragment","removeAllFragments","BinarySearch","search","list","comparisonFn","minIndex","maxIndex","currentIndex","currentElement","comparisonResult","BufferHelper","isBuffered","bufferInfo","maxHoleDuration","vbuffered","bufferedInfo","nextStart","diff","buffered2","buf2len","buf2end","bufferStartNext","bufferLen","bufferStart","bufferEnd","getBufferedPosWithinTolerance","maxFragLookUpTolerance","currentTime","getMediaSource","WebKitMediaSource","Observer","Demuxer","mp4","enableWorker","w","work","onwmsg","onWorkerMessage","onerror","filename","lineno","revokeObjectURL","removeEventListener","terminate","lastFrag","nextSN","ArrayBuffer","addGroupId","audioGroupIds","textGroupIds","updatePTS","fromIdx","toIdx","fragFrom","fragTo","fragToPTS","updateFragPTSDTS","maxStartPTS","drift","fragIdx","PTSKnown","mergeDetails","oldDetails","newDetails","PTSFrag","ccOffset","mapFragmentIntersection","oldFrag","newFrag","backtracked","newFragments","oldPlaylist","newPlaylist","oldFragments","adjustSliding","intersectionFn","computeReloadInterval","currentPlaylist","lastRequestTime","reloadInterval","minReloadInterval","TimeRanges","toFixed","adjustPts","sliding","alignStream","lastLevel","shouldAlign","shouldAlignOnDiscontinuities","referenceFrag","prevDetails","curDetails","prevFrags","curFrags","prevStartFrag","firstFrag","currentFrag","findFirstFragWithCC","findDiscontinuousReferenceFrag","alignDiscontinuities","lastDetails","hasProgramDateTime","lastPDT","alignPDT","findFragmentByPDT","PDTValue","isArray","seg","pdtWithinToleranceTest","findFragmentByPTS","fragPrevious","fragNext","fragmentWithinToleranceTest","candidate","candidateLookupTolerance","pdtBufferEnd","GapController","fragmentTracker","nudgeRetry","stallReported","stalled","moved","seeking","poll","lastCurrentTime","seeked","beginSeek","seekWithinTolerance","seekWithinToleranceIfNeeded","paused","ended","playbackRate","startJump","_trySkipBufferHole","tnow","stalledDuration","_reportStall","bufferedWithHoles","_tryFixBufferStall","bufferedPosWithinTolerance","stalledDurationMs","highBufferWatchdogPeriod","_tryNudgeBuffer","BUFFER_STALLED_ERROR","lastEndTime","targetTime","BUFFER_SEEK_OVER_HOLE","nudgeMaxRetry","nudgeOffset","BUFFER_NUDGE_ON_STALL","TaskLoop","_boundTick","_tickTimer","_tickInterval","_tickCallCount","tick","clearNextTick","clearInterval","hasInterval","hasNextTick","setInterval","millis","clearTimeout","doTick","setTimeout","State","BaseStreamController","startLoad","stopLoad","fragCurrent","_streamEnded","fragState","onMediaSeeking","mediaBuffer","tolerance","fragStartOffset","fragEndOffset","loadedmetadata","nextLoadPosition","startPosition","onMediaEnded","computeLivePosition","targetLatency","liveSyncDuration","liveSyncDurationCount","StreamController","audioCodecSwap","_state","gapController","altAudio","fragLoadError","startFragRequested","startLevel","nextLoadLevel","forceStartLoad","_doTickIdle","retryDate","_checkBuffer","_checkFragmentChanged","levelLastLoaded","startFragPrefetch","levelInfo","maxBufLen","levelBitrate","maxBufferSize","maxBufferLength","maxMaxBufferLength","_fetchPayloadOrEos","fragLen","initialLiveManifestSize","_ensureFragmentAtLivePoint","_findFragment","encrypted","_loadKey","_loadFragment","maxLatency","liveMaxLatencyDuration","liveMaxLatencyDurationCount","liveSyncPosition","readyState","targetSN","fragPreviousLoad","fragmentIndexRange","fragNextLoad","curSNIdx","sameLevel","prevSnFrag","nextSnFrag","autoLevel","autoLevelEnabled","_reduceMaxBufferLength","followingBufferedFrag","fragPlayingCurrent","fragPlaying","fragPlayingLevel","immediateLevelSwitch","immediateSwitch","previouslyPaused","pause","flushMainBuffer","POSITIVE_INFINITY","immediateLevelSwitchEnd","play","nextLevelSwitch","fetchdelay","nextBufferedFrag","nextLevelId","nextLevel","fragLastKbps","startOffset","endOffset","flushScope","onMediaAttached","onvseeking","onvseeked","onMediaSeeked","onvended","autoStartLoad","onMediaDetaching","onManifestParsed","aac","heaac","audioCodecSwitch","onLevelLoaded","newLevelId","curLevel","LevelHelper","onKeyLoaded","fragLoaded","currentLevel","tbuffered","pendingBuffering","appended","initSegmentData","_getAudioCodec","onFragParsingInitSegment","fragNew","trackName","ua","levelCodec","parent","content","onFragParsingData","onFragParsed","_checkAppendedParsed","onAudioTrackSwitching","onAudioTrackSwitched","videoBuffer","onBufferCreated","mediaTrack","alternate","pending","total","tfirst","mediaBuffered","fragLoadingMaxRetry","delay","levelRetry","BUFFER_FULL_ERROR","minLength","_seekToStartPos","onFragLoadEmergencyAborted","onBufferFlushed","swapAudioCodec","defaultAudioCodec","nextState","previousState","_liveSyncPosition","chromeOrFirefox","LevelController","canload","currentLevelIndex","manualLevelIndex","timer","clearTimer","_levels","levelRetryCount","loadError","loadLevel","onManifestLoaded","bitrateStart","levelSet","levelFromSet","videoCodecFound","audioCodecFound","attributes","fragmentError","SUBTITLES","_firstLevel","firstLevel","some","MANIFEST_INCOMPATIBLE_CODECS_ERROR","setLevelInternal","newLevel","levelProperties","LEVEL_SWITCH_ERROR","levelIndex","levelError","recoverLevel","errorEvent","redundantLevels","errorDetails","nextAutoLevel","trequest","audioGroupId","levelObject","_startLevel","configStartLevel","sendAddTrackEvent","videoEl","document","createEvent","initEvent","dispatchEvent","clearCurrentCues","cues","removeCue","getClosestCue","left","right","mid","ID3TrackController","getID3Track","textTracks","kind","label","addTextTrack","onLiveBackBufferReached","foundCue","removeCues","cue","onFragParsingMetadata","mode","Cue","WebKitDataCue","VTTCue","TextTrackCue","addCue","EWMA","halfLife","alpha_","estimate_","totalWeight_","exp","weight","adjAlpha","getTotalWeight","getEstimate","zeroFactor","EwmaBandWidthEstimator","slow","fast","defaultEstimate","defaultEstimate_","minWeight_","minDelayMs_","slow_","fast_","durationMs","numBytes","durationS","bandwidthInBps","canEstimate","AbrController","lastLoadedFragLevel","_nextAutoLevel","_bwEstimator","onCheck","_abandonRulesCheck","ewmaFast","ewmaSlow","abrEwmaFastLive","abrEwmaSlowLive","abrEwmaFastVoD","abrEwmaSlowVoD","abrEwmaDefaultEstimate","minAutoLevel","aborted","requestDelay","loadRate","bw","realBitrate","expectedLen","fragLoadedDelay","bufferStarvationDelay","levelNextBitrate","fragLevelNextLoadedDelay","abrMaxWithRealBitrate","loadedBytes","loadedDuration","fragLoadingProcessingMs","bwEstimate","bitrateTestDelay","_findBestLevel","currentFragDuration","currentBw","maxAutoLevel","maxFetchDuration","bwFactor","bwUpFactor","avgDuration","adjustedbw","fetchDuration","forcedAutoLevel","bwEstimator","nextABRAutoLevel","_nextABRAutoLevel","avgbw","bestLevel","abrBandWidthFactor","abrBandWidthUpFactor","maxStarvationDelay","maxLoadingDelay","BufferController","_msDuration","_levelDuration","_levelTargetDuration","_live","_objectUrl","_needsFlush","_needsEos","audioTimestampOffset","bufferCodecEventsExpected","_bufferCodecEventsTotal","mediaSource","segments","appending","appendError","flushBufferCounter","pendingTracks","sourceBuffer","flushRange","_onMediaSourceOpen","checkPendingTracks","_onMediaSourceClose","_onMediaSourceEnded","_onSBUpdateEnd","audioBuffer","timestampOffset","doFlush","checkEos","counter","segment","sbSet","sb","doAppending","updateMediaElementDuration","flushLiveBackBuffer","_onSBUpdateError","BUFFER_APPENDING_ERROR","onLevelPtsUpdated","updating","onMediaAttaching","ms","endOfStream","removeAttribute","pendingTracksCount","createSourceBuffers","onBufferReset","removeSourceBuffer","onBufferCodecs","mimeType","addSourceBuffer","BUFFER_ADD_CODEC_ERROR","onBufferAppending","onBufferEos","onBufferFlushing","liveBackBufferLength","bufferTypes","targetBackBufferPosition","bufferType","removeBufferRange","onLevelUpdated","liveDurationInfinity","flushBuffer","appendBuffer","code","BUFFER_APPEND_ERROR","appendErrorMaxRetry","sbType","bufStart","bufEnd","removeStart","removeEnd","remove","CapLevelController","autoLevelCapping","restrictedLevels","capLevelToPlayerSize","stopCapping","onFpsDropLevelCapping","isLevelAllowed","droppedLevel","HTMLVideoElement","startCapping","onLevelsUpdated","detectPlayerSize","levelsLength","getMaxLevel","streamController","capLevelIndex","validLevels","getMaxLevelByMediaSize","mediaWidth","mediaHeight","maxLevelIndex","devicePixelRatio","clientWidth","offsetWidth","contentScaleFactor","clientHeight","offsetHeight","FPSController","isVideoPlaybackQualityAvailable","capLevelOnFPSDrop","getVideoPlaybackQuality","checkFPSInterval","fpsDroppedMonitoringPeriod","checkFPS","decodedFrames","droppedFrames","lastTime","currentPeriod","currentDropped","lastDroppedFrames","currentDecoded","lastDecodedFrames","droppedFPS","totalDroppedFrames","fpsDroppedMonitoringThreshold","videoPlaybackQuality","totalVideoFrames","droppedVideoFrames","webkitDecodedFrameCount","webkitDroppedFrameCount","XMLHttpRequest","XhrLoader","xhrSetup","requestTimeout","retryTimeout","callbacks","retry","loadInternal","xhr","open","status","setRequestHeader","onreadystatechange","readystatechange","onprogress","send","currentTarget","responseText","responseURL","statusText","lengthComputable","AudioTrackController","_trackId","_selectDefaultTrack","trackIdBlacklist","_selectAudioGroup","onAudioTrackLoaded","updatePeriodMs","_handleLoadError","_setAudioTrack","newId","_loadTrackDetailsIfNeeded","_updateTrack","_selectInitialAudioTrack","currentAudioTrack","defaultTracks","trackFound","traverseTracks","_needsTrackLoading","previousId","language","AudioStreamController","waitingFragment","videoTrackCC","onInitPtsFound","demuxerId","trackDetails","mainBufferInfo","maxConfigBuffer","audioSwitch","CC","findFragWithCC","loadIdx","fragLoadIdx","nextBuffered","foundFrag","isSeeking","waitingFrag","waitingFragCC","onAudioTracksUpdated","appendObj","pendingData","appendOnBufferFlush","directionSetting","lr","rl","alignSetting","middle","findAlignSetting","extend","obj","cobj","baseObj","hasBeenReset","_id","_pauseOnExit","_startTime","_endTime","_text","_region","_vertical","_snapToLines","_line","_lineAlign","_position","_positionAlign","_size","_align","setting","findDirectionSetting","SyntaxError","displayState","getCueAsHTML","WebVTT","convertCueToDOMTree","StringDecoder","decodeURIComponent","encodeURIComponent","VTTParser","regionList","Settings","values","parseOptions","keyValueDelim","groupDelim","kv","k","v","dflt","defaultKey","alt","integer","percent","defaults","center","align","parseCue","oInput","consumeTimeStamp","ts","computeSeconds","parseTimeStamp","skipWhitespace","settings","region","vals","vals0","vertical","line","lineAlign","snapToLines","consumeCueSettings","fixLineBreaks","collectNextLine","alreadyCollectedLine","hasSubstring","oncue","flush","onflush","newCue","captionScreen","row","indenting","indent","rows","isEmpty","chars","uchar","cueStartTime","VerboseFilter","specialCea608CharsCodes","getCharForByte","byte","charCode","rowsLowCh1","rowsHighCh1","rowsLowCh2","rowsHighCh2","backgroundColors","verboseFilter","verboseLevel","setTime","newTime","severity","numArrayToHexArray","numArray","hexArray","PenState","foreground","underline","italics","background","flash","reset","setStyles","styles","attribs","style","isDefault","equals","other","copy","newPenState","StyledUnicodeChar","penState","setChar","setPenState","newChar","Row","currPenState","equal","empty","setCursor","absPos","moveCursor","relPos","newPos","backSpace","insertChar","char","clearFromPos","startPos","clear","clearToEndOfRow","getTextString","setPenStyles","CaptionScreen","currRow","nrRollUpRows","lastOutputScreen","NR_ROWS","setPen","setPAC","pacData","newRow","topRowIndex","prevLineTime","prevPos","color","setBkgData","bkgData","setRollUpRows","nrRows","rollUp","getDisplayText","topRow","asOneRow","displayText","rowNr","rowText","getTextAndFormat","Cea608Channel","channelNumber","outputFilter","chNr","verbose","displayedMemory","nonDisplayedMemory","currRollUpRow","writeScreen","lastCueEndTime","getHandler","setHandler","newHandler","setMode","newMode","insertChars","screen","outputDataUpdate","ccRCL","ccBS","ccAOF","ccAON","ccDER","ccRU","ccFON","ccRDC","ccTR","ccRTD","ccEDM","ccCR","ccENM","ccEOC","ccTO","nrCols","ccMIDROW","secondByte","colorIndex","dispatch","dispatchCue","cueSplitAtTime","Cea608Parser","field","out1","out2","outputs","channels","currChNr","lastCmdA","lastCmdB","dataCounters","addData","byteList","cmdFound","charsFound","parseCmd","parseMidrow","parsePAC","parseBackgroundAttributes","parseChars","padding","channel","interpretPAC","pacIndex","channelNr","charCodes","charCode1","oneCode","hexCodes","OutputFilter","timelineController","addCues","createCaptionsTrack","startsWith","inputString","searchString","hash","WebVTTParser","vttByteArray","syncPTS","vttCCs","callBack","errorCallBack","parsingError","vttLines","cueTime","mpegTs","localTime","presentationTime","inHeader","parser","currCC","cueOffset","new","prevCC","presentationOffset","calculateOffset","onparsingerror","timeString","secs","mins","hours","cueString2millis","canReuseVttTextTrack","inUseTrack","manifestTrack","textTrack1","textTrack2","TimelineController","enabled","Cues","unparsedVttFrags","cueRanges","captionsTracks","captionsProperties","cea608Parser","lastSn","cueHandler","captionsTextTrack1Label","languageCode","captionsTextTrack1LanguageCode","captionsTextTrack2Label","captionsTextTrack2LanguageCode","enableCEA708Captions","channel1","channel2","x1","y1","y2","ranges","merged","cueRange","overlap","getExistingTrack","existingTrack","createTextTrack","_cleanTracks","0","enableWebVTT","inUseTracks","subtitleDisplay","success","decryptData","_parseVTTs","currentTrack","minStartTime","getCueById","textTrackCue","onFragDecrypted","onFragParsingUserdata","ccBytes","ccdatas","extractCea608Data","tmpByte","ccbyte1","ccbyte2","actualCCBytes","filterSubtitleTracks","textTrackList","SubtitleTrackController","stopped","queuedDefaultTrack","subtitleTrack","trackChangeListener","_onTextTracksChanged","useTextTrackPolling","subtitlePollingInterval","subtitleTracks","onSubtitleTrackLoaded","_clearReloadTimer","_loadCurrentTrack","_toggleTrackModes","oldTrack","nextTrack","_setSubtitleTrackInternal","subtitleTrackId","KeySystems","SubtitleStreamController","tracksBuffered","currentTrackId","lastAVStart","_onMediaSeeking","onSubtitleFragProcessed","fragStart","fragEnd","onSubtitleTracksUpdated","onSubtitleTrackSwitch","referenceStart","frags","mergeSubtitlePlaylists","_getBuffered","requestMediaKeySystemAccess","EMEController","_widevineLicenseUrl","_licenseXhrSetup","_emeEnabled","_requestMediaKeySystemAccess","_config","_mediaKeysList","_media","_hasSetMediaKeys","_requestLicenseFailureCount","_onMediaEncrypted","initDataType","_attemptSetMediaKeys","_generateRequestWithPreferredKeySession","widevineLicenseUrl","licenseXhrSetup","emeEnabled","requestMediaKeySystemAccessFunc","getLicenseServerUrl","keySystem","WIDEVINE","_attemptKeySystemAccess","audioCodecs","videoCodecs","mediaKeySystemConfigs","baseConfig","videoCapabilities","contentType","createWidevineMediaKeySystemConfigurations","getSupportedMediaKeySystemConfigurations","mediaKeySystemAccess","_onMediaKeySystemAccessObtained","mediaKeysListItem","mediaKeysSessionInitialized","mediaKeySystemDomain","createMediaKeys","mediaKeys","_onMediaKeysCreated","mediaKeysSession","createSession","_onNewMediaKeySession","keySession","sessionId","_onKeySessionMessage","_requestLicense","update","keysListItem","KEY_SYSTEM_ERROR","KEY_SYSTEM_NO_KEYS","setMediaKeys","KEY_SYSTEM_NO_ACCESS","KEY_SYSTEM_NO_SESSION","KEY_SYSTEM_NO_INIT_DATA","generateRequest","_createLicenseXhr","keyMessage","_onLicenseRequestReadyStageChange","KEY_SYSTEM_LICENSE_REQUEST_FAILED","attemptsLeft","_generateLicenseRequestChallenge","challenge","onMediaDetached","hlsDefaultConfig","lowBufferWatchdogPeriod","abrController","bufferController","capLevelController","fpsController","minAutoBitrate","timelineConfig","subtitleStreamController","subtitleTrackController","audioStreamController","audioTrackController","emeController","Hls","userConfig","_autoLevelCapping","levelController","networkControllers","coreComponents","defaultConfig","DefaultConfig","playListLoader","fragmentLoader","keyLoader","id3TrackController","Controller","isSupported","SourceBuffer","WebKitSourceBuffer","sourceBufferValidAPI","detachMedia","component","attachMedia","loadSource","location","href","controller","recoverMediaError","manualLevel","shouldStartCapping","newCapLevelToPlayerSize","NaN","audioTrackId"],"mappings":"4BAAA,SAA2CA,EAAMC,GAC1B,iBAAZC,SAA0C,iBAAXC,OACxCA,OAAOD,QAAUD,IACQ,mBAAXG,QAAyBA,OAAOC,IAC9CD,OAAO,GAAIH,GACe,iBAAZC,QACdA,QAAa,IAAID,IAEjBD,EAAU,IAAIC,IARhB,CASGK,MAAM,WACT,O,YCTA,SAGA,cAGA,QACA,oBAGA,YACA,IACA,KACA,YAUA,OANA,mCAGA,OAGA,UA0DA,OArDA,MAGA,MAGA,oBACA,UACA,2BAA2CC,YAAY,EAAMC,IAAKC,KAKlE,gBACA,gDACA,4CAAyDC,MAAO,WAEhE,sCAAkDA,OAAO,KAQzD,kBAEA,GADA,cACA,aACA,qDACA,0BAGA,GAFA,OACA,mCAA0CH,YAAY,EAAMG,MAAOA,IACnE,2DAAiH,OAAOA,EAAMC,IAAQC,KAAK,KAAMD,IACjJ,UAIA,gBACA,sBACA,WAA4B,OAAOR,EAAgB,SACnD,WAAkC,OAAOA,GAEzC,OADA,aACA,GAIA,kBAAuD,OAAOU,OAAOC,UAAUC,eAAeC,KAAKC,EAAQC,IAG3G,aAIA,U,+BClFA,+EAEA,SAASC,KAET,IAAMC,EAAa,CACjBC,MAAOF,EACPG,MAAOH,EACPI,IAAKJ,EACLK,KAAML,EACNM,KAAMN,EACNO,MAAOP,GAGLQ,EAAiBP,EAWrB,SAASQ,EAAWC,EAAMC,GAExB,OADAA,EAAM,IAAMD,EAAO,OAASC,EAI9B,IAAMC,EAASC,cAEf,SAASC,EAAgBJ,GACvB,IAAMK,EAAOH,EAAOI,QAAQN,GAC5B,OAAIK,EACK,WAAmB,2BAANE,EAAM,yBAANA,EAAM,gBACpBA,EAAK,KACPA,EAAK,GAAKR,EAAUC,EAAMO,EAAK,KAGjCF,EAAKG,MAAMN,EAAOI,QAASC,IAGxBjB,EASF,IAAMmB,EAAa,SAAUC,GAElC,GAAKR,EAAOI,UAA2B,IAAhBI,GAAgD,iBAAhBA,EAA0B,EARnF,SAAgCA,GAA2B,2BAAXC,EAAW,iCAAXA,EAAW,kBACzDA,EAAUC,SAAQ,SAAUZ,GAC1BF,EAAeE,GAAQU,EAAYV,GAAQU,EAAYV,GAAMjB,KAAK2B,GAAeN,EAAeJ,MAOhGa,CAAsBH,EAGpB,QACA,MACA,OACA,OACA,SAIF,IACEZ,EAAeJ,MACf,MAAOoB,GACPhB,EAAiBP,QAGnBO,EAAiBP,GAIRwB,EAASjB,G,mCCvEhBkB,IAAS,GAEbC,gBAAiB,oBAEjBC,eAAgB,mBAEhBC,gBAAiB,oBAEjBC,eAAgB,mBAEhBC,aAAc,iBAEdC,cAAe,kBAEfC,eAAgB,mBAEhBC,iBAAkB,qBAElBC,gBAAiB,oBAEjBC,WAAY,eAEZC,gBAAiB,oBAEjBC,eAAgB,mBAEhBC,iBAAkB,qBAElBC,gBAAiB,oBAEjBC,gBAAiB,oBAEjBC,gBAAiB,oBAEjBC,eAAgB,mBAEhBC,cAAe,kBAEfC,aAAc,iBAEdC,cAAe,kBAEfC,kBAAmB,qBAEnBC,yBAA0B,2BAE1BC,qBAAsB,wBAEtBC,sBAAuB,yBAEvBC,qBAAsB,wBAEtBC,oBAAqB,uBAErBC,mBAAoB,sBAEpBC,wBAAyB,2BAEzBC,sBAAuB,yBAEvBC,uBAAwB,0BAExBC,sBAAuB,yBAEvBC,wBAAyB,2BAEzBC,eAAgB,kBAEhBC,aAAc,iBAEdC,mBAAoB,sBAEpBC,4BAA6B,8BAE7BC,YAAa,gBAEbC,eAAgB,mBAEhBC,0BAA2B,4BAE3BC,sBAAuB,yBAEvBC,sBAAuB,yBAEvBC,kBAAmB,qBAEnBC,YAAa,gBAEbC,cAAe,kBAEfC,aAAc,iBAEdC,SAAU,aAEVC,uBAAwB,yBAExBC,MAAO,WAEPC,WAAY,gBAEZC,YAAa,gBAEbC,WAAY,eAEZC,wBAAyB,6BAxGZ,yBA0Ga,2BA1Gb,EA4GbC,oBAAqB,sBA5GR,GA+GArD,O,6BCnHR,IAAKsD,EAiBAC,EAjBZ,oE,SAAYD,K,6BAAAA,E,yBAAAA,E,kCAAAA,E,qBAAAA,E,0BAAAA,M,cAiBAC,K,qCAAAA,E,yCAAAA,E,2CAAAA,E,kEAAAA,E,8CAAAA,E,wCAAAA,E,4CAAAA,E,8CAAAA,E,qEAAAA,E,kCAAAA,E,sCAAAA,E,sCAAAA,E,6CAAAA,E,iDAAAA,E,gCAAAA,E,oCAAAA,E,sCAAAA,E,sCAAAA,E,oCAAAA,E,8BAAAA,E,kCAAAA,E,6CAAAA,E,wCAAAA,E,8CAAAA,E,0CAAAA,E,oCAAAA,E,2CAAAA,E,2CAAAA,E,wCAAAA,M,mCCjBZ,kCAAO,IAAMC,EAAiBC,OAAOC,UAAY,SAAU7F,GACzD,MAAwB,iBAAVA,GAAsB6F,SAAS7F,K,6BCD/C,sCA+VI8F,EA/VJ,OAKMC,E,kCAOGC,SAAP,SAAiBC,EAAMC,GAcrB,OAAIA,EAAS,IAAMD,EAAKE,QAED,KAAjBF,EAAKC,IAAyC,KAArBD,EAAKC,EAAS,IAAoC,KAArBD,EAAKC,EAAS,IAElED,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAE5CD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,K,EAgBzGE,SAAP,SAAiBH,EAAMC,GAIrB,OAAIA,EAAS,IAAMD,EAAKE,QAED,KAAjBF,EAAKC,IAAyC,KAArBD,EAAKC,EAAS,IAAoC,KAArBD,EAAKC,EAAS,IAElED,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAE5CD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,K,EAgBzGG,WAAP,SAAmBJ,EAAMC,GAIvB,IAHA,IAAMI,EAAQJ,EACVC,EAAS,EAENJ,EAAIC,SAASC,EAAMC,IAAS,CAEjCC,GAAU,GAGVA,GADaJ,EAAIQ,UAAUN,EAAMC,EAAS,GAGtCH,EAAIK,SAASH,EAAMC,EAAS,MAE9BC,GAAU,IAGZD,GAAUC,EAGZ,GAAIA,EAAS,EACX,OAAOF,EAAKO,SAASF,EAAOA,EAAQH,I,EAMjCI,UAAP,SAAkBN,EAAMC,GACtB,IAAIO,EAAO,EAKX,OAJAA,GAAwB,IAAfR,EAAKC,KAAmB,GACjCO,IAA6B,IAAnBR,EAAKC,EAAS,KAAc,GACtCO,IAA6B,IAAnBR,EAAKC,EAAS,KAAc,EACtCO,GAA4B,IAAnBR,EAAKC,EAAS,I,EASlBQ,aAAP,SAAqBT,GAEnB,IADA,IAAMU,EAASZ,EAAIa,aAAaX,GACvBY,EAAI,EAAGA,EAAIF,EAAOR,OAAQU,IAAK,CACtC,IAAMC,EAAQH,EAAOE,GACrB,GAAId,EAAIgB,iBAAiBD,GACvB,OAAOf,EAAIiB,eAAeF,K,EAWzBC,iBAAP,SAAyBD,GACvB,OAAQA,GAAuB,SAAdA,EAAM7G,KAAiC,iDAAf6G,EAAM/F,M,EAG1CkG,cAAP,SAAsBhB,GAMpB,IAAM9E,EAAO+F,OAAOC,aAAalB,EAAK,GAAIA,EAAK,GAAIA,EAAK,GAAIA,EAAK,IAC3DQ,EAAOV,EAAIQ,UAAUN,EAAM,GAKjC,MAAO,CAAE9E,OAAMsF,OAAMR,KAAMA,EAAKO,SAFnB,MAE6CC,K,EAQrDG,aAAP,SAAqBQ,GAInB,IAHA,IAAIlB,EAAS,EACPS,EAAS,GAERZ,EAAIC,SAASoB,EAASlB,IAAS,CAMpC,IALA,IAAMO,EAAOV,EAAIQ,UAAUa,EAASlB,EAAS,GAGvCmB,GADNnB,GAAU,IACWO,EAEdP,EAAS,EAAImB,GAAK,CACvB,IAAMC,EAAYvB,EAAIkB,cAAcG,EAAQZ,SAASN,IAC/CY,EAAQf,EAAIwB,aAAaD,GAC3BR,GACFH,EAAOa,KAAKV,GAIdZ,GAAUoB,EAAUb,KAAO,GAGzBV,EAAIK,SAASgB,EAASlB,KACxBA,GAAU,IAId,OAAOS,G,EAGFY,aAAP,SAAqBT,GACnB,MAAmB,SAAfA,EAAM3F,KACD4E,EAAI0B,iBAAiBX,GACD,MAAlBA,EAAM3F,KAAK,GACb4E,EAAI2B,iBAAiBZ,GACD,MAAlBA,EAAM3F,KAAK,GACb4E,EAAI4B,gBAAgBb,QADtB,G,EAOFE,eAAP,SAAuBY,GACrB,GAAuC,IAAnCA,EAAe3B,KAAK4B,WAAkB,CACxC,IAAM5B,EAAO,IAAI6B,WAAWF,EAAe3B,MAGrC8B,EAAqB,EAAV9B,EAAK,GAClB+B,GAAa/B,EAAK,IAAM,KACXA,EAAK,IAAM,KACXA,EAAK,IAAM,GACXA,EAAK,GAOtB,OANA+B,GAAa,GAETD,IACFC,GAAa,aAGRC,KAAKC,MAAMF,K,EAMfP,iBAAP,SAAyBX,GAIvB,KAAIA,EAAML,KAAO,GAAjB,CAIA,IAAM0B,EAAQpC,EAAIqC,gBAAgBtB,EAAMb,MAAM,GACxCoC,EAAc,IAAIP,WAAWhB,EAAMb,KAAKO,SAAS2B,EAAMhC,OAAS,IAEtE,MAAO,CAAElG,IAAK6G,EAAM3F,KAAMJ,KAAMoH,EAAOlC,KAAMoC,EAAYC,U,EAGpDZ,iBAAP,SAAyBZ,GACvB,KAAIA,EAAML,KAAO,GAAjB,CAIA,GAAmB,SAAfK,EAAM3F,KAAiB,CAMzB,IAAIoH,EAAQ,EACNC,EAAczC,EAAIqC,gBAAgBtB,EAAMb,KAAKO,SAAS+B,IAAQ,GAEpEA,GAASC,EAAYrC,OAAS,EAC9B,IAAMnG,EAAQ+F,EAAIqC,gBAAgBtB,EAAMb,KAAKO,SAAS+B,IAEtD,MAAO,CAAEtI,IAAK6G,EAAM3F,KAAMJ,KAAMyH,EAAavC,KAAMjG,GAOnD,IAAMyI,EAAO1C,EAAIqC,gBAAgBtB,EAAMb,KAAKO,SAAS,IACrD,MAAO,CAAEvG,IAAK6G,EAAM3F,KAAM8E,KAAMwC,K,EAI7Bd,gBAAP,SAAwBb,GACtB,GAAmB,SAAfA,EAAM3F,KAAiB,CAMzB,GAAI2F,EAAML,KAAO,EACf,OAGF,IAAI8B,EAAQ,EACNC,EAAczC,EAAIqC,gBAAgBtB,EAAMb,KAAKO,SAAS+B,IAE5DA,GAASC,EAAYrC,OAAS,EAC9B,IAAMnG,EAAQ+F,EAAIqC,gBAAgBtB,EAAMb,KAAKO,SAAS+B,IAEtD,MAAO,CAAEtI,IAAK6G,EAAM3F,KAAMJ,KAAMyH,EAAavC,KAAMjG,GAMnD,IAAM0I,EAAM3C,EAAIqC,gBAAgBtB,EAAMb,MACtC,MAAO,CAAEhG,IAAK6G,EAAM3F,KAAM8E,KAAMyC,I,EAa7BN,gBAAP,SAAwBO,EAAOC,QAAoB,IAApBA,OAAa,GAC1C,IAAM9C,EAAU+C,IAChB,GAAI/C,EAAS,CACX,IAAMgD,EAAUhD,EAAQiD,OAAOJ,GAE/B,GAAIC,EAAY,CAEd,IAAMI,EAAMF,EAAQG,QAAQ,MAC5B,OAAgB,IAATD,EAAaF,EAAQI,UAAU,EAAGF,GAAOF,EAIlD,OAAOA,EAAQK,QAAQ,MAAO,IAShC,IANA,IACIC,EACAC,EACAC,EAHEC,EAAMZ,EAAMxC,OAIdqD,EAAM,GACN3C,EAAI,EACDA,EAAI0C,GAAK,CAEd,GAAU,KADVH,EAAIT,EAAM9B,OACQ+B,EAChB,OAAOY,EACF,GAAU,IAANJ,GAAoB,IAANA,EAIzB,OAAQA,GAAK,GACb,KAAK,EAAG,KAAK,EAAG,KAAK,EAAG,KAAK,EAAG,KAAK,EAAG,KAAK,EAAG,KAAK,EAAG,KAAK,EAE3DI,GAAOtC,OAAOC,aAAaiC,GAC3B,MACF,KAAK,GAAI,KAAK,GAEZC,EAAQV,EAAM9B,KACd2C,GAAOtC,OAAOC,cAAmB,GAAJiC,IAAa,EAAc,GAARC,GAChD,MACF,KAAK,GAEHA,EAAQV,EAAM9B,KACdyC,EAAQX,EAAM9B,KACd2C,GAAOtC,OAAOC,cAAmB,GAAJiC,IAAa,IACpB,GAARC,IAAiB,GACT,GAARC,IAAiB,IAKnC,OAAOE,G,KAMX,SAASX,IACP,IAAMxH,EAASC,cAKf,OAJKwE,QAAyC,IAAvBzE,EAAOoI,cAC5B3D,EAAU,IAAIzE,EAAOoI,YAAY,UAG5B3D,EAGT,IAAM4D,EAAiB3D,EAAIqC,gBAEZrC,O,6BC5WR,SAASzE,IAEd,MAAsB,oBAAXqI,OAEFC,KAEAD,OANX,mC,gBCGA,IAGME,EACAC,EACAC,EACAC,EAEAC,EALAJ,EAAY,yFACZC,EAAsB,mBACtBC,EAAkB,oBAClBC,EAAsB,qCAEtBC,EAAa,CAOfC,iBAAkB,SAASC,EAASC,EAAaC,GAK/C,GAJAA,EAAOA,GAAQ,GAEfF,EAAUA,EAAQG,SAClBF,EAAcA,EAAYE,QACR,CAIhB,IAAKD,EAAKE,gBACR,OAAOJ,EAET,IAAIK,EAAwBP,EAAWQ,SAASN,GAChD,IAAKK,EACH,MAAM,IAAIE,MAAM,mCAGlB,OADAF,EAAsBG,KAAOV,EAAWW,cAAcJ,EAAsBG,MACrEV,EAAWY,kBAAkBL,GAEtC,IAAIM,EAAgBb,EAAWQ,SAASL,GACxC,IAAKU,EACH,MAAM,IAAIJ,MAAM,uCAElB,GAAII,EAAcC,OAGhB,OAAKV,EAAKE,iBAGVO,EAAcH,KAAOV,EAAWW,cAAcE,EAAcH,MACrDV,EAAWY,kBAAkBC,IAH3BV,EAKX,IAAIY,EAAYf,EAAWQ,SAASN,GACpC,IAAKa,EACH,MAAM,IAAIN,MAAM,mCAElB,IAAKM,EAAUC,QAAUD,EAAUL,MAA8B,MAAtBK,EAAUL,KAAK,GAAY,CAGpE,IAAIO,EAAYpB,EAAoBqB,KAAKH,EAAUL,MACnDK,EAAUC,OAASC,EAAU,GAC7BF,EAAUL,KAAOO,EAAU,GAEzBF,EAAUC,SAAWD,EAAUL,OACjCK,EAAUL,KAAO,KAEnB,IAAIS,EAAa,CAGfL,OAAQC,EAAUD,OAClBE,OAAQH,EAAcG,OACtBN,KAAM,KACNU,OAAQP,EAAcO,OACtBC,MAAOR,EAAcQ,MACrBC,SAAUT,EAAcS,UAE1B,IAAKT,EAAcG,SAIjBG,EAAWH,OAASD,EAAUC,OAGA,MAA1BH,EAAcH,KAAK,IACrB,GAAKG,EAAcH,KAgBZ,CAKL,IAAIa,EAAcR,EAAUL,KACxBc,EAAUD,EAAYtC,UAAU,EAAGsC,EAAYE,YAAY,KAAO,GAAKZ,EAAcH,KACzFS,EAAWT,KAAOV,EAAWW,cAAca,QApB3CL,EAAWT,KAAOK,EAAUL,KAIvBG,EAAcO,SACjBD,EAAWC,OAASL,EAAUK,OAIzBP,EAAcQ,QACjBF,EAAWE,MAAQN,EAAUM,QAiBvC,OAHwB,OAApBF,EAAWT,OACbS,EAAWT,KAAON,EAAKE,gBAAkBN,EAAWW,cAAcE,EAAcH,MAAQG,EAAcH,MAEjGV,EAAWY,kBAAkBO,IAEtCX,SAAU,SAAS/B,GACjB,IAAIiD,EAAQ9B,EAAUsB,KAAKzC,GAC3B,OAAKiD,EAGE,CACLZ,OAAQY,EAAM,IAAM,GACpBV,OAAQU,EAAM,IAAM,GACpBhB,KAAMgB,EAAM,IAAM,GAClBN,OAAQM,EAAM,IAAM,GACpBL,MAAOK,EAAM,IAAM,GACnBJ,SAAUI,EAAM,IAAM,IARf,MAWXf,cAAe,SAASD,GAgBtB,IATAA,EAAOA,EAAKiB,MAAM,IAAIC,UAAUC,KAAK,IAAI3C,QAAQY,EAAiB,IAS3DY,EAAKxE,UAAYwE,EAAOA,EAAKxB,QAAQa,EAAqB,KAAK7D,SACtE,OAAOwE,EAAKiB,MAAM,IAAIC,UAAUC,KAAK,KAEvCjB,kBAAmB,SAASc,GAC1B,OAAOA,EAAMZ,OAASY,EAAMV,OAASU,EAAMhB,KAAOgB,EAAMN,OAASM,EAAML,MAAQK,EAAMJ,WAMvF9L,EAAOD,QAAUyK,G,iCC1JA8B,E,WACnB,WAAaC,EAAQC,GACnBrM,KAAKoM,OAASA,EACdpM,KAAKsM,MAAQD,E,mBAGfE,QAAA,SAASlG,EAAMhG,GACb,OAAOL,KAAKoM,OAAOG,QAAQ,CAAEC,KAAM,UAAWH,GAAIrM,KAAKsM,OAASjM,EAAKgG,I,KCI1DoG,E,WAVb,WAAaL,EAAQ/L,GACnBL,KAAKoM,OAASA,EACdpM,KAAKK,IAAMA,E,mBAGbqM,UAAA,WACE,OAAO1M,KAAKoM,OAAOO,UAAU,MAAO3M,KAAKK,IAAK,CAAEmM,KAAM,YAAa,EAAO,CAAC,UAAW,a,SCkR3EI,E,WA7Qb,aAEE5M,KAAK6M,KAAO,CAAC,EAAK,EAAK,EAAK,EAAK,EAAK,GAAM,GAAM,GAAM,IAAM,GAAM,IACpE7M,KAAK8M,OAAS,CAAC,IAAIC,YAAY,KAAM,IAAIA,YAAY,KAAM,IAAIA,YAAY,KAAM,IAAIA,YAAY,MACjG/M,KAAKgN,UAAY,CAAC,IAAID,YAAY,KAAM,IAAIA,YAAY,KAAM,IAAIA,YAAY,KAAM,IAAIA,YAAY,MACpG/M,KAAKiN,KAAO,IAAIF,YAAY,KAC5B/M,KAAKkN,QAAU,IAAIH,YAAY,KAG/B/M,KAAKK,IAAM,IAAI0M,YAAY,GAE3B/M,KAAKmN,Y,2BAIPC,yBAAA,SAA0BC,GAGxB,IAFA,IAAIC,EAAO,IAAIC,SAASF,GACpBG,EAAW,IAAIT,YAAY,GACtB9F,EAAI,EAAGA,EAAI,EAAGA,IACrBuG,EAASvG,GAAKqG,EAAKG,UAAc,EAAJxG,GAG/B,OAAOuG,G,EAGTL,UAAA,WACE,IAAIF,EAAOjN,KAAKiN,KACZC,EAAUlN,KAAKkN,QACfJ,EAAS9M,KAAK8M,OACdY,EAAUZ,EAAO,GACjBa,EAAUb,EAAO,GACjBc,EAAUd,EAAO,GACjBe,EAAUf,EAAO,GACjBE,EAAYhN,KAAKgN,UACjBc,EAAad,EAAU,GACvBe,EAAaf,EAAU,GACvBgB,EAAahB,EAAU,GACvBiB,EAAajB,EAAU,GAEvBkB,EAAI,IAAInB,YAAY,KACpBoB,EAAI,EACJC,EAAK,EACLnH,EAAI,EACR,IAAKA,EAAI,EAAGA,EAAI,IAAKA,IAEjBiH,EAAEjH,GADAA,EAAI,IACCA,GAAK,EAEJA,GAAK,EAAK,IAItB,IAAKA,EAAI,EAAGA,EAAI,IAAKA,IAAK,CACxB,IAAIoH,EAAKD,EAAMA,GAAM,EAAMA,GAAM,EAAMA,GAAM,EAAMA,GAAM,EACzDC,EAAMA,IAAO,EAAW,IAALA,EAAa,GAChCpB,EAAKkB,GAAKE,EACVnB,EAAQmB,GAAMF,EAGd,IAAIG,EAAKJ,EAAEC,GACPI,EAAKL,EAAEI,GACPE,EAAKN,EAAEK,GAGPE,EAAa,IAARP,EAAEG,GAAqB,SAALA,EAC3BX,EAAQS,GAAMM,GAAK,GAAOA,IAAM,EAChCd,EAAQQ,GAAMM,GAAK,GAAOA,IAAM,GAChCb,EAAQO,GAAMM,GAAK,EAAMA,IAAM,GAC/BZ,EAAQM,GAAKM,EAGbA,EAAU,SAALD,EAAwB,MAALD,EAAsB,IAALD,EAAmB,SAAJH,EACxDL,EAAWO,GAAOI,GAAK,GAAOA,IAAM,EACpCV,EAAWM,GAAOI,GAAK,GAAOA,IAAM,GACpCT,EAAWK,GAAOI,GAAK,EAAMA,IAAM,GACnCR,EAAWI,GAAMI,EAGZN,GAGHA,EAAIG,EAAKJ,EAAEA,EAAEA,EAAEM,EAAKF,KACpBF,GAAMF,EAAEA,EAAEE,KAHVD,EAAIC,EAAK,I,EAQf1B,UAAA,SAAWgC,GAMT,IAJA,IAAIrO,EAAML,KAAKoN,yBAAyBsB,GACpCC,GAAU,EACVrI,EAAS,EAENA,EAASjG,EAAIkG,QAAUoI,GAC5BA,EAAWtO,EAAIiG,KAAYtG,KAAKK,IAAIiG,GACpCA,IAGF,IAAIqI,EAAJ,CAIA3O,KAAKK,IAAMA,EACX,IAAIuO,EAAU5O,KAAK4O,QAAUvO,EAAIkG,OAEjC,GAAgB,IAAZqI,GAA6B,IAAZA,GAA6B,IAAZA,EACpC,MAAM,IAAI9D,MAAM,wBAA0B8D,GAG5C,IACIC,EACAC,EAaAC,EACAN,EAhBAO,EAAShP,KAAKgP,OAA6B,GAAnBJ,EAAU,EAAI,GAItCK,EAAcjP,KAAKiP,YAAc,IAAIlC,YAAYiC,GACjDE,EAAiBlP,KAAKkP,eAAiB,IAAInC,YAAYiC,GACvDG,EAAOnP,KAAKiN,KACZJ,EAAO7M,KAAK6M,KAEZG,EAAYhN,KAAKgN,UACjBc,EAAad,EAAU,GACvBe,EAAaf,EAAU,GACvBgB,EAAahB,EAAU,GACvBiB,EAAajB,EAAU,GAK3B,IAAK6B,EAAQ,EAAGA,EAAQG,EAAQH,IAC1BA,EAAQD,EACVG,EAAOE,EAAYJ,GAASxO,EAAIwO,IAGlCJ,EAAIM,EAEAF,EAAQD,GAAY,GAKtBH,EAAKU,GAHLV,EAAKA,GAAK,EAAMA,IAAM,MAGN,KAAO,GAAOU,EAAMV,IAAM,GAAM,MAAS,GAAOU,EAAMV,IAAM,EAAK,MAAS,EAAKU,EAAS,IAAJV,GAGpGA,GAAK5B,EAAMgC,EAAQD,EAAW,IAAM,IAC3BA,EAAU,GAAKC,EAAQD,GAAY,IAE5CH,EAAKU,EAAKV,IAAM,KAAO,GAAOU,EAAMV,IAAM,GAAM,MAAS,GAAOU,EAAMV,IAAM,EAAK,MAAS,EAAKU,EAAS,IAAJV,IAGtGQ,EAAYJ,GAASE,GAAQE,EAAYJ,EAAQD,GAAWH,KAAO,GAGrE,IAAKK,EAAW,EAAGA,EAAWE,EAAQF,IACpCD,EAAQG,EAASF,EAEfL,EADa,EAAXK,EACEG,EAAYJ,GAEZI,EAAYJ,EAAQ,GAIxBK,EAAeJ,GADbA,EAAW,GAAKD,GAAS,EACAJ,EAEAX,EAAWqB,EAAKV,IAAM,KAAOV,EAAWoB,EAAMV,IAAM,GAAM,MAAST,EAAWmB,EAAMV,IAAM,EAAK,MAASR,EAAWkB,EAAS,IAAJV,IAGrJS,EAAeJ,GAAYI,EAAeJ,KAAc,I,EAK5DM,uBAAA,SAAwBC,GACtB,OAAQA,GAAQ,IAAe,MAAPA,IAAkB,GAAc,SAAPA,IAAoB,EAAMA,IAAS,I,EAGtF9C,QAAA,SAAS+C,EAAkBhJ,EAAQgG,EAAOiD,GA2BxC,IA1BA,IAmBIC,EAAIC,EAAIC,EAAIC,EACZC,EAAIC,EAAIC,EAAIC,EACZC,EAAaC,EAAaC,EAAaC,EAEvCtB,EAAO5H,EAhNgByB,EACvB0H,EACAC,EAuLAC,EAAUtQ,KAAK4O,QAAU,EACzBM,EAAiBlP,KAAKkP,eACtBqB,EAAUvQ,KAAKkN,QAEfF,EAAYhN,KAAKgN,UACjBc,EAAad,EAAU,GACvBe,EAAaf,EAAU,GACvBgB,EAAahB,EAAU,GACvBiB,EAAajB,EAAU,GAEvBwD,EAAaxQ,KAAKoN,yBAAyBd,GAC3CmE,EAAcD,EAAW,GACzBE,EAAcF,EAAW,GACzBG,EAAcH,EAAW,GACzBI,EAAcJ,EAAW,GAEzBK,EAAa,IAAIC,WAAWxB,GAC5ByB,EAAc,IAAID,WAAWD,EAAWtK,QAOxCyK,EAAWhR,KAAKoP,uBAEb9I,EAASuK,EAAWtK,QAAQ,CAcjC,IAbAyJ,EAAcgB,EAASH,EAAWvK,IAClC2J,EAAce,EAASH,EAAWvK,EAAS,IAC3C4J,EAAcc,EAASH,EAAWvK,EAAS,IAC3C6J,EAAca,EAASH,EAAWvK,EAAS,IAE3CsJ,EAAKI,EAAcd,EAAe,GAClCW,EAAKM,EAAcjB,EAAe,GAClCY,EAAKI,EAAchB,EAAe,GAClCa,EAAKE,EAAcf,EAAe,GAElCL,EAAQ,EAGH5H,EAAI,EAAGA,EAAIqJ,EAASrJ,IACvBuI,EAAK1B,EAAW8B,IAAO,IAAM7B,EAAY8B,GAAM,GAAM,KAAQ7B,EAAY8B,GAAM,EAAK,KAAQ7B,EAAgB,IAAL8B,GAAab,EAAeL,GACnIY,EAAK3B,EAAW+B,IAAO,IAAM9B,EAAY+B,GAAM,GAAM,KAAQ9B,EAAY+B,GAAM,EAAK,KAAQ9B,EAAgB,IAAL2B,GAAaV,EAAeL,EAAQ,GAC3Ia,EAAK5B,EAAWgC,IAAO,IAAM/B,EAAYgC,GAAM,GAAM,KAAQ/B,EAAY4B,GAAM,EAAK,KAAQ3B,EAAgB,IAAL4B,GAAaX,EAAeL,EAAQ,GAC3Ic,EAAK7B,EAAWiC,IAAO,IAAMhC,EAAY6B,GAAM,GAAM,KAAQ5B,EAAY6B,GAAM,EAAK,KAAQ5B,EAAgB,IAAL6B,GAAaZ,EAAeL,EAAQ,GAE3Ie,EAAKJ,EACLK,EAAKJ,EACLK,EAAKJ,EACLK,EAAKJ,EAELd,GAAgB,EAIlBW,EAAOe,EAAQX,IAAO,KAAO,GAAOW,EAASV,GAAM,GAAM,MAAS,GAAOU,EAAST,GAAM,EAAK,MAAS,EAAKS,EAAa,IAALR,GAAcb,EAAeL,GAChJY,EAAOc,EAAQV,IAAO,KAAO,GAAOU,EAAST,GAAM,GAAM,MAAS,GAAOS,EAASR,GAAM,EAAK,MAAS,EAAKQ,EAAa,IAALX,GAAcV,EAAeL,EAAQ,GACxJa,EAAOa,EAAQT,IAAO,KAAO,GAAOS,EAASR,GAAM,GAAM,MAAS,GAAOQ,EAASX,GAAM,EAAK,MAAS,EAAKW,EAAa,IAALV,GAAcX,EAAeL,EAAQ,GACxJc,EAAOY,EAAQR,IAAO,KAAO,GAAOQ,EAASX,GAAM,GAAM,MAAS,GAAOW,EAASV,GAAM,EAAK,MAAS,EAAKU,EAAa,IAALT,GAAcZ,EAAeL,EAAQ,GACxJA,GAAgB,EAGhBkC,EAAYzK,GAAU0K,EAASxB,EAAKiB,GACpCM,EAAYzK,EAAS,GAAK0K,EAASrB,EAAKe,GACxCK,EAAYzK,EAAS,GAAK0K,EAAStB,EAAKiB,GACxCI,EAAYzK,EAAS,GAAK0K,EAASvB,EAAKmB,GAGxCH,EAAcT,EACdU,EAAcT,EACdU,EAAcT,EACdU,EAAcT,EAEd7J,GAAkB,EAGpB,OAAOiJ,GArQoB7G,EAqQeqI,EAAYrI,OApQlD0H,EAAc1H,EAAOT,YACrBoI,EAAeD,GAAgB,IAAI7C,SAAS7E,GAASuI,SAASb,EAAc,IAEzE1H,EAAOwI,MAAM,EAAGd,EAAcC,GAE9B3H,GA+PyDqI,EAAYrI,Q,EAG9EyI,QAAA,WACEnR,KAAKK,SAAM+Q,EACXpR,KAAK4O,aAAUwC,EACfpR,KAAKgP,YAASoC,EAEdpR,KAAKiN,UAAOmE,EACZpR,KAAKkN,aAAUkE,EACfpR,KAAK8M,YAASsE,EACdpR,KAAKgN,eAAYoE,EACjBpR,KAAKiP,iBAAcmC,EACnBpR,KAAKkP,oBAAiBkC,EAEtBpR,KAAK6M,UAAOuE,G,iCCzQV3P,EAASC,cAET2P,E,WACJ,WAAaC,EAAUC,EAAvB,GAAmE,kBAAJ,GAAI,GAAlChC,0BAAkC,SAMjE,GALAvP,KAAKwR,YAAa,EAClBxR,KAAKsR,SAAWA,EAChBtR,KAAKuR,OAASA,EACdvR,KAAKuP,mBAAqBA,EAEtBA,EACF,IACE,IAAMkC,EAAgBhQ,EAAOiQ,OACzBD,IACFzR,KAAKoM,OAASqF,EAAcrF,QAAUqF,EAAcE,cAEtD,MAAOtP,IAEXrC,KAAK4R,kBAAoB5R,KAAKoM,O,2BAGhCyF,OAAA,WACE,OAAQ7R,KAAK4R,kBAAoB5R,KAAKuR,OAAOO,mB,EAG/CvF,QAAA,SAASlG,EAAMhG,EAAKgM,EAAI0F,GAAU,WAChC,GAAI/R,KAAK4R,kBAAoB5R,KAAKuR,OAAOO,kBAAmB,CACtD9R,KAAKwR,aACPlP,IAAOrB,IAAI,kBACXjB,KAAKwR,YAAa,GAEpB,IAAIQ,EAAYhS,KAAKgS,UAChBA,IACHhS,KAAKgS,UAAYA,EAAY,IAAIpF,GAGnCoF,EAAUtF,UAAUrM,GACpB0R,EAASC,EAAUzF,QAAQlG,EAAM,EAAGgG,EAAIrM,KAAKuP,yBACxC,CACDvP,KAAKwR,aACPlP,IAAOrB,IAAI,yBACXjB,KAAKwR,YAAa,GAEpB,IAAMpF,EAASpM,KAAKoM,OAChBpM,KAAKK,MAAQA,IACfL,KAAKK,IAAMA,EACXL,KAAKiS,WAAa,IAAIxF,EAAWL,EAAQ/L,IAG3CL,KAAKiS,WAAWvF,YACbwF,MAAK,SAACC,GAEQ,IAAIhG,EAAUC,EAAQC,GAC5BE,QAAQlG,EAAM8L,GAClBC,OAAM,SAACC,GACN,EAAKC,iBAAiBD,EAAKhM,EAAMhG,EAAKgM,EAAI0F,MAE3CG,MAAK,SAACK,GACLR,EAASQ,SAGdH,OAAM,SAACC,GACN,EAAKC,iBAAiBD,EAAKhM,EAAMhG,EAAKgM,EAAI0F,Q,EAKlDO,iBAAA,SAAkBD,EAAKhM,EAAMhG,EAAKgM,EAAI0F,GAChC/R,KAAKuR,OAAOO,mBACdxP,IAAOrB,IAAI,0CACXjB,KAAK4R,kBAAmB,EACxB5R,KAAKwR,YAAa,EAClBxR,KAAKuM,QAAQlG,EAAMhG,EAAKgM,EAAI0F,KAE5BzP,IAAOlB,MAAP,sBAAmCiR,EAAIG,SACvCxS,KAAKsR,SAASmB,QAAQC,IAAMnN,MAAO,CAAEhE,KAAMsE,IAAW8M,YAAaC,QAAS9M,IAAa+M,mBAAoBC,OAAO,EAAMC,OAAQV,EAAIG,Y,EAI1IrB,QAAA,WACE,IAAIa,EAAYhS,KAAKgS,UACjBA,IACFA,EAAUb,UACVnR,KAAKgS,eAAYZ,I,KAKRC,O,6BCjGf,IAAI2B,EAAMzS,OAAOC,UAAUC,eACvBwS,EAAS,IASb,SAASC,KA4BT,SAASC,EAAGC,EAAIC,EAASC,GACvBtT,KAAKoT,GAAKA,EACVpT,KAAKqT,QAAUA,EACfrT,KAAKsT,KAAOA,IAAQ,EActB,SAASC,EAAYC,EAASC,EAAOL,EAAIC,EAASC,GAChD,GAAkB,mBAAPF,EACT,MAAM,IAAIM,UAAU,mCAGtB,IAAIC,EAAW,IAAIR,EAAGC,EAAIC,GAAWG,EAASF,GAC1CM,EAAMX,EAASA,EAASQ,EAAQA,EAMpC,OAJKD,EAAQK,QAAQD,GACXJ,EAAQK,QAAQD,GAAKR,GAC1BI,EAAQK,QAAQD,GAAO,CAACJ,EAAQK,QAAQD,GAAMD,GADhBH,EAAQK,QAAQD,GAAKhM,KAAK+L,IADlCH,EAAQK,QAAQD,GAAOD,EAAUH,EAAQM,gBAI7DN,EAUT,SAASO,EAAWP,EAASI,GACI,KAAzBJ,EAAQM,aAAoBN,EAAQK,QAAU,IAAIX,SAC5CM,EAAQK,QAAQD,GAU9B,SAASI,IACPhU,KAAK6T,QAAU,IAAIX,EACnBlT,KAAK8T,aAAe,EAxElBvT,OAAO0T,SACTf,EAAO1S,UAAYD,OAAO0T,OAAO,OAM5B,IAAIf,GAASgB,YAAWjB,GAAS,IA2ExCe,EAAaxT,UAAU2T,WAAa,WAClC,IACIC,EACA5H,EAFA6H,EAAQ,GAIZ,GAA0B,IAAtBrU,KAAK8T,aAAoB,OAAOO,EAEpC,IAAK7H,KAAS4H,EAASpU,KAAK6T,QACtBb,EAAItS,KAAK0T,EAAQ5H,IAAO6H,EAAMzM,KAAKqL,EAASzG,EAAK0E,MAAM,GAAK1E,GAGlE,OAAIjM,OAAO+T,sBACFD,EAAME,OAAOhU,OAAO+T,sBAAsBF,IAG5CC,GAUTL,EAAaxT,UAAUgU,UAAY,SAAmBf,GACpD,IAAIG,EAAMX,EAASA,EAASQ,EAAQA,EAChCgB,EAAWzU,KAAK6T,QAAQD,GAE5B,IAAKa,EAAU,MAAO,GACtB,GAAIA,EAASrB,GAAI,MAAO,CAACqB,EAASrB,IAElC,IAAK,IAAInM,EAAI,EAAGyN,EAAID,EAASlO,OAAQoO,EAAK,IAAIC,MAAMF,GAAIzN,EAAIyN,EAAGzN,IAC7D0N,EAAG1N,GAAKwN,EAASxN,GAAGmM,GAGtB,OAAOuB,GAUTX,EAAaxT,UAAUqU,cAAgB,SAAuBpB,GAC5D,IAAIG,EAAMX,EAASA,EAASQ,EAAQA,EAChCe,EAAYxU,KAAK6T,QAAQD,GAE7B,OAAKY,EACDA,EAAUpB,GAAW,EAClBoB,EAAUjO,OAFM,GAYzByN,EAAaxT,UAAUsU,KAAO,SAAcrB,EAAOsB,EAAIC,EAAIC,EAAIC,EAAIC,GACjE,IAAIvB,EAAMX,EAASA,EAASQ,EAAQA,EAEpC,IAAKzT,KAAK6T,QAAQD,GAAM,OAAO,EAE/B,IAEI9R,EACAmF,EAHAuN,EAAYxU,KAAK6T,QAAQD,GACzBjK,EAAMyL,UAAU7O,OAIpB,GAAIiO,EAAUpB,GAAI,CAGhB,OAFIoB,EAAUlB,MAAMtT,KAAKqV,eAAe5B,EAAOe,EAAUpB,QAAIhC,GAAW,GAEhEzH,GACN,KAAK,EAAG,OAAO6K,EAAUpB,GAAG1S,KAAK8T,EAAUnB,UAAU,EACrD,KAAK,EAAG,OAAOmB,EAAUpB,GAAG1S,KAAK8T,EAAUnB,QAAS0B,IAAK,EACzD,KAAK,EAAG,OAAOP,EAAUpB,GAAG1S,KAAK8T,EAAUnB,QAAS0B,EAAIC,IAAK,EAC7D,KAAK,EAAG,OAAOR,EAAUpB,GAAG1S,KAAK8T,EAAUnB,QAAS0B,EAAIC,EAAIC,IAAK,EACjE,KAAK,EAAG,OAAOT,EAAUpB,GAAG1S,KAAK8T,EAAUnB,QAAS0B,EAAIC,EAAIC,EAAIC,IAAK,EACrE,KAAK,EAAG,OAAOV,EAAUpB,GAAG1S,KAAK8T,EAAUnB,QAAS0B,EAAIC,EAAIC,EAAIC,EAAIC,IAAK,EAG3E,IAAKlO,EAAI,EAAGnF,EAAO,IAAI8S,MAAMjL,EAAK,GAAI1C,EAAI0C,EAAK1C,IAC7CnF,EAAKmF,EAAI,GAAKmO,UAAUnO,GAG1BuN,EAAUpB,GAAGrR,MAAMyS,EAAUnB,QAASvR,OACjC,CACL,IACIwT,EADA/O,EAASiO,EAAUjO,OAGvB,IAAKU,EAAI,EAAGA,EAAIV,EAAQU,IAGtB,OAFIuN,EAAUvN,GAAGqM,MAAMtT,KAAKqV,eAAe5B,EAAOe,EAAUvN,GAAGmM,QAAIhC,GAAW,GAEtEzH,GACN,KAAK,EAAG6K,EAAUvN,GAAGmM,GAAG1S,KAAK8T,EAAUvN,GAAGoM,SAAU,MACpD,KAAK,EAAGmB,EAAUvN,GAAGmM,GAAG1S,KAAK8T,EAAUvN,GAAGoM,QAAS0B,GAAK,MACxD,KAAK,EAAGP,EAAUvN,GAAGmM,GAAG1S,KAAK8T,EAAUvN,GAAGoM,QAAS0B,EAAIC,GAAK,MAC5D,KAAK,EAAGR,EAAUvN,GAAGmM,GAAG1S,KAAK8T,EAAUvN,GAAGoM,QAAS0B,EAAIC,EAAIC,GAAK,MAChE,QACE,IAAKnT,EAAM,IAAKwT,EAAI,EAAGxT,EAAO,IAAI8S,MAAMjL,EAAK,GAAI2L,EAAI3L,EAAK2L,IACxDxT,EAAKwT,EAAI,GAAKF,UAAUE,GAG1Bd,EAAUvN,GAAGmM,GAAGrR,MAAMyS,EAAUvN,GAAGoM,QAASvR,IAKpD,OAAO,GAYTkS,EAAaxT,UAAU+U,GAAK,SAAY9B,EAAOL,EAAIC,GACjD,OAAOE,EAAYvT,KAAMyT,EAAOL,EAAIC,GAAS,IAY/CW,EAAaxT,UAAU8S,KAAO,SAAcG,EAAOL,EAAIC,GACrD,OAAOE,EAAYvT,KAAMyT,EAAOL,EAAIC,GAAS,IAa/CW,EAAaxT,UAAU6U,eAAiB,SAAwB5B,EAAOL,EAAIC,EAASC,GAClF,IAAIM,EAAMX,EAASA,EAASQ,EAAQA,EAEpC,IAAKzT,KAAK6T,QAAQD,GAAM,OAAO5T,KAC/B,IAAKoT,EAEH,OADAW,EAAW/T,KAAM4T,GACV5T,KAGT,IAAIwU,EAAYxU,KAAK6T,QAAQD,GAE7B,GAAIY,EAAUpB,GAEVoB,EAAUpB,KAAOA,GACfE,IAAQkB,EAAUlB,MAClBD,GAAWmB,EAAUnB,UAAYA,GAEnCU,EAAW/T,KAAM4T,OAEd,CACL,IAAK,IAAI3M,EAAI,EAAGmN,EAAS,GAAI7N,EAASiO,EAAUjO,OAAQU,EAAIV,EAAQU,KAEhEuN,EAAUvN,GAAGmM,KAAOA,GACnBE,IAASkB,EAAUvN,GAAGqM,MACtBD,GAAWmB,EAAUvN,GAAGoM,UAAYA,IAErCe,EAAOxM,KAAK4M,EAAUvN,IAOtBmN,EAAO7N,OAAQvG,KAAK6T,QAAQD,GAAyB,IAAlBQ,EAAO7N,OAAe6N,EAAO,GAAKA,EACpEL,EAAW/T,KAAM4T,GAGxB,OAAO5T,MAUTgU,EAAaxT,UAAUgV,mBAAqB,SAA4B/B,GACtE,IAAIG,EAUJ,OARIH,GACFG,EAAMX,EAASA,EAASQ,EAAQA,EAC5BzT,KAAK6T,QAAQD,IAAMG,EAAW/T,KAAM4T,KAExC5T,KAAK6T,QAAU,IAAIX,EACnBlT,KAAK8T,aAAe,GAGf9T,MAMTgU,EAAaxT,UAAUiV,IAAMzB,EAAaxT,UAAU6U,eACpDrB,EAAaxT,UAAU+S,YAAcS,EAAaxT,UAAU+U,GAK5DvB,EAAa0B,SAAWzC,EAKxBe,EAAaA,aAAeA,EAM1BnU,EAAOD,QAAUoU,G,2ECvMZ,SAAS2B,EAAiBtP,EAAMC,GACrC,OAAwB,MAAjBD,EAAKC,IAAkD,MAAV,IAAnBD,EAAKC,EAAS,IAG1C,SAASsP,EAAiBvP,EAAMC,GACrC,OAA2B,EAAnBD,EAAKC,EAAS,GAAY,EAAI,EAGjC,SAASuP,EAAoBxP,EAAMC,GACxC,OAA4B,EAAnBD,EAAKC,EAAS,KAAc,GAClCD,EAAKC,EAAS,IAAM,GACA,IAAnBD,EAAKC,EAAS,MAAe,EAG5B,SAASF,EAAUC,EAAMC,GAI9B,SAAIA,EAAS,EAAID,EAAKE,QAAUoP,EAAgBtP,EAAMC,IAOjD,SAASwP,EAAOzP,EAAMC,GAG3B,GAAIF,EAASC,EAAMC,GAAS,CAE1B,IAEIyP,EAFeH,EAAgBvP,EAAMC,GAGrCA,EAAS,EAAID,EAAKE,SACpBwP,EAAcF,EAAmBxP,EAAMC,IAGzC,IAAI0P,EAAY1P,EAASyP,EACzB,GAAIC,IAAc3P,EAAKE,QAAWyP,EAAY,EAAI3P,EAAKE,QAAUoP,EAAgBtP,EAAM2P,GACrF,OAAO,EAGX,OAAO,EAGF,SAASC,EAAiBC,EAAO5E,EAAUjL,EAAMC,EAAQ6P,GAC9D,IAAKD,EAAME,WAAY,CACrB,IAAI7E,EA3KD,SAAyBD,EAAUjL,EAAMC,EAAQ6P,GACtD,IAAIE,EACFC,EACAC,EACAC,EACAjF,EACAkF,EAAYC,UAAUD,UAAUE,cAChCC,EAAgBT,EAChBU,EAAqB,CACnB,KAAO,MACP,KAAO,KACP,MAAO,KACP,KAAO,MACP,KAAO,KACP,MAAO,IACP,MAIJ,GAFAR,EAAqD,IAAf,IAAnBhQ,EAAKC,EAAS,MAAe,MAChDgQ,GAA0C,GAAnBjQ,EAAKC,EAAS,MAAe,GAC3BuQ,EAAmBtQ,OAAS,GAsGrD,OAlGAiQ,GAAwC,EAAnBnQ,EAAKC,EAAS,KAAc,EAEjDkQ,IAAyC,IAAnBnQ,EAAKC,EAAS,MAAe,EACnDhE,IAAOrB,IAAP,kBAA6BkV,EAA7B,mBAA0DE,EAA1D,mBAA2FC,EAA3F,IAAiHO,EAAmBP,GAApI,qBAA4KE,GAExK,WAAWM,KAAKL,GACdH,GAAsB,GACxBD,EAAiB,EACjB9E,EAAS,IAAIqD,MAAM,GAInB2B,EAA8BD,EAAqB,IAEnDD,EAAiB,EACjB9E,EAAS,IAAIqD,MAAM,GACnB2B,EAA8BD,IAGW,IAAlCG,EAAUpN,QAAQ,YAC3BgN,EAAiB,EACjB9E,EAAS,IAAIqD,MAAM,GACnB2B,EAA8BD,IAK9BD,EAAiB,EACjB9E,EAAS,IAAIqD,MAAM,GAEduB,KAAsD,IAAtCA,EAAW9M,QAAQ,gBACA,IAArC8M,EAAW9M,QAAQ,gBAClB8M,GAAcG,GAAsB,EAItCC,EAA8BD,EAAqB,IAI/CH,IAAmD,IAArCA,EAAW9M,QAAQ,eAAyBiN,GAAsB,GAA0B,IAArBE,GACnF,WAAWM,KAAKL,MAClBN,GAAmC,IAArBK,KAChBH,EAAiB,EACjB9E,EAAS,IAAIqD,MAAM,IAErB2B,EAA8BD,IAqClC/E,EAAO,GAAK8E,GAAkB,EAE9B9E,EAAO,KAA4B,GAArB+E,IAA8B,EAC5C/E,EAAO,KAA4B,EAArB+E,IAA8B,EAE5C/E,EAAO,IAAMiF,GAAoB,EACV,IAAnBH,IAEF9E,EAAO,KAAqC,GAA9BgF,IAAuC,EACrDhF,EAAO,IAAoC,EAA9BgF,IAAuC,EAGpDhF,EAAO,IAAM,EACbA,EAAO,GAAK,GAEP,CAAEA,OAAQA,EAAQ6E,WAAYS,EAAmBP,GAAqBS,aAAcP,EAAkBQ,MAAQ,WAAaX,EAAiBO,cAAeA,GArGhKtF,EAASmB,QAAQC,IAAMnN,MAAO,CAAEhE,KAAMsE,IAAW8M,YAAaC,QAAS9M,IAAamR,mBAAoBnE,OAAO,EAAMC,OAAQ,+BAA+BuD,IAuJ/IY,CAAe5F,EAAUjL,EAAMC,EAAQ6P,GACpDD,EAAM3E,OAASA,EAAOA,OACtB2E,EAAME,WAAa7E,EAAO6E,WAC1BF,EAAMa,aAAexF,EAAOwF,aAC5Bb,EAAMc,MAAQzF,EAAOyF,MACrBd,EAAMU,cAAgBrF,EAAOqF,cAC7BtU,IAAOrB,IAAP,gBAA2BiV,EAAMc,MAAjC,SAA+CzF,EAAO6E,WAAtD,eAA+E7E,EAAOwF,eAInF,SAASI,EAAkBf,GAChC,OAAO,OAAeA,EAsBjB,SAASgB,EAAalB,EAAO7P,EAAMC,EAAQ+Q,EAAKC,GACrD,IACIC,EArBC,SAA2BlR,EAAMC,EAAQ+Q,EAAKC,EAAYE,GAC/D,IAAIC,EAAc1B,EACdxP,EAASF,EAAKE,OAQlB,GALAkR,EAAe7B,EAAgBvP,EAAMC,GAErCyP,EAAcF,EAAmBxP,EAAMC,IACvCyP,GAAe0B,GAEI,GAAQnR,EAASmR,EAAe1B,GAAgBxP,EAGjE,MAAO,CAAEkR,eAAc1B,cAAa2B,MAF5BL,EAAMC,EAAaE,GAUhBG,CAAiBtR,EAAMC,EAAQ+Q,EAAKC,EAD7BH,EAAiBjB,EAAME,aAE3C,GAAImB,EAAQ,CACV,IAAIG,EAAQH,EAAOG,MACfD,EAAeF,EAAOE,aACtB1B,EAAcwB,EAAOxB,YAGrB6B,EAAY,CACdC,KAAMxR,EAAKO,SAASN,EAASmR,EAAcnR,EAASmR,EAAe1B,GACnEsB,IAAKK,EACLI,IAAKJ,GAIP,OADAxB,EAAM6B,QAAQnQ,KAAKgQ,GACZ,CAAEI,OAAQJ,EAAWrR,OAAQwP,EAAc0B,I,WC7IvCQ,E,WAlFb,WAAa3G,EAAU4G,EAAS3G,GAC9BvR,KAAKsR,SAAWA,EAChBtR,KAAKuR,OAASA,EACdvR,KAAKkY,QAAUA,E,2BAGjBC,iBAAA,SAAkBC,EAAajC,EAAYkC,EAAYC,GACrDtY,KAAKuY,YAAc,CAAEC,UAAW,aAAcjX,KAAM,QAASkX,GAAI,EAAGC,eAAgB,EAAGC,OAAO,EAAMZ,QAAS,GAAIpO,IAAK,EAAGiN,cAAeT,EAAYmC,SAAUA,EAAUM,eAAgB,M,EAG1LC,eAAA,a,EAGO/C,MAAP,SAAczP,GACZ,IAAKA,EACH,OAAO,EAUT,IAHA,IACIC,GADYH,IAAIM,WAAWJ,EAAM,IAAM,IACtBE,OAEZA,EAASF,EAAKE,OAAQD,EAASC,EAAQD,IAC9C,GAAIwS,EAAWzS,EAAMC,GAEnB,OADAhE,IAAOrB,IAAI,2BACJ,EAGX,OAAO,G,EAIT8X,OAAA,SAAQ1S,EAAM2S,EAAYC,EAAYC,GAYpC,IAXA,IAAIhD,EAAQlW,KAAKuY,YACb/Q,EAAUrB,IAAIM,WAAWJ,EAAM,IAAM,GACrC+B,EAAYjC,IAAIW,aAAaU,GAC7B6P,EAAM,YAAgBjP,GAAyB,GAAZA,EAA8B,IAAb4Q,EACpD1B,EAAa,EACbI,EAAQL,EACR9Q,EAASF,EAAKE,OACdD,EAASkB,EAAQjB,OAEjB4S,EAAa,CAAC,CAAE9B,IAAKK,EAAOI,IAAKJ,EAAOrR,KAAMmB,IAE3ClB,EAASC,EAAS,GACvB,GAAIuS,EAAczS,EAAMC,IAAYA,EAAS,EAAKC,EAAQ,CACxDuS,EAAqB5C,EAAOlW,KAAKsR,SAAUjL,EAAMC,EAAQ4P,EAAMU,eAC/D,IAAI1P,EAAQ4R,EAAiB5C,EAAO7P,EAAMC,EAAQ+Q,EAAKC,GACvD,IAAIpQ,EAIG,CACL5E,IAAOrB,IAAI,6BACX,MALAqF,GAAUY,EAAMX,OAChBmR,EAAQxQ,EAAM8Q,OAAOX,IACrBC,SAKOnR,IAAIC,SAASC,EAAMC,IAC5BkB,EAAUrB,IAAIM,WAAWJ,EAAMC,GAC/B6S,EAAWvR,KAAK,CAAEyP,IAAKK,EAAOI,IAAKJ,EAAOrR,KAAMmB,IAChDlB,GAAUkB,EAAQjB,QAGlBD,IAIJtG,KAAKkY,QAAQkB,MAAMlD,EACjB,CAAE6B,QAAS,IACX,CAAEA,QAASoB,EAAYP,eAAgB,KACvC,CAAEb,QAAS,IACXiB,EACAC,EACAC,I,EAGJ/H,QAAA,a,aClFIkI,EAAY,CAEhBC,YAAa,CACX,GAAI,GAAI,GAAI,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAC9D,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAC3D,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAC1D,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAC3D,EAAG,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,IAAK,IAAK,IAAK,KAExDC,gBAAiB,CAAC,MAAO,KAAO,KAAO,MAAO,KAAO,KAAO,MAAO,KAAO,KAE1EC,oBAAqB,CAEnB,CACE,EACA,GACA,IACA,IAGF,CACE,EACA,EACA,EACA,GAGF,CACE,EACA,GACA,IACA,IAGF,CACE,EACA,IACA,IACA,KAIJC,YAAa,CACX,EACA,EACA,EACA,GAGFrC,YAAa,SAAUlB,EAAO7P,EAAMC,EAAQ+Q,EAAKC,GAE/C,KAAIhR,EAAS,GAAKD,EAAKE,QAAvB,CAIA,IAAIgR,EAASvX,KAAK0Z,YAAYrT,EAAMC,GACpC,GAAIiR,GAAUjR,EAASiR,EAAOxB,aAAe1P,EAAKE,OAAQ,CACxD,IACImR,EAAQL,EAAMC,GAD2B,IAAzBC,EAAOoC,gBAA0BpC,EAAOqC,YAExD5B,EAAS,CAAEH,KAAMxR,EAAKO,SAASN,EAAQA,EAASiR,EAAOxB,aAAcsB,IAAKK,EAAOI,IAAKJ,GAO1F,OALAxB,EAAM3E,OAAS,GACf2E,EAAMa,aAAeQ,EAAOR,aAC5Bb,EAAME,WAAamB,EAAOqC,WAC1B1D,EAAM6B,QAAQnQ,KAAKoQ,GAEZ,CAAEA,SAAQzR,OAAQgR,EAAOxB,gBAMpC2D,YAAa,SAAUrT,EAAMC,GAC3B,IAAIuT,EAAWxT,EAAKC,EAAS,IAAM,EAAK,EACpCwT,EAAWzT,EAAKC,EAAS,IAAM,EAAK,EACpCyT,EAAW1T,EAAKC,EAAS,IAAM,EAAK,GACpC0T,EAAW3T,EAAKC,EAAS,IAAM,EAAK,EACpC2T,EAAW5T,EAAKC,EAAS,IAAM,EAAK,EACxC,GAAgB,IAAZuT,GAA6B,IAAZE,GAA6B,KAAZA,GAA8B,IAAZC,EAAe,CACrE,IAAIE,EAA+B,IAAZL,EAAiB,EAAIC,EAAwB,IAAZA,EAAgB,EAAI,EACxEK,EAAuE,IAA7Dd,EAAUC,YAA+B,GAAnBY,EAAwBH,EAAU,GAClEK,EAAkC,IAAZP,EAAgB,EAAgB,IAAZA,EAAgB,EAAI,EAC9DD,EAAaP,EAAUE,gBAAsC,EAAtBa,EAA0BJ,GACjEjD,EAAe1Q,EAAKC,EAAS,IAAM,GAAM,EAAI,EAAI,EACjD+T,EAAoBhB,EAAUG,oBAAoBK,GAASC,GAC3DQ,EAAcjB,EAAUI,YAAYK,GACpCH,EAAsC,EAApBU,EAAwBC,EAG9C,MAAO,CAAEV,aAAY7C,eAAchB,YAFjBwE,SAASF,EAAoBF,EAAUP,EAAaK,EAAS,IAAMK,EAErCX,qBAMpDhE,gBAAiB,SAAUtP,EAAMC,GAC/B,OAAwB,MAAjBD,EAAKC,IAAkD,MAAV,IAAnBD,EAAKC,EAAS,KAAqD,IAAV,EAAnBD,EAAKC,EAAS,KAGvFF,SAAU,SAAUC,EAAMC,GAIxB,SAAIA,EAAS,EAAID,EAAKE,QAAUvG,KAAK2V,gBAAgBtP,EAAMC,KAO7DwP,MAAO,SAAUzP,EAAMC,GAGrB,GAAIA,EAAS,EAAID,EAAKE,QAAUvG,KAAK2V,gBAAgBtP,EAAMC,GAAS,CAElE,IAEIiR,EAASvX,KAAK0Z,YAAYrT,EAAMC,GAChCyP,EAHe,EAIfwB,GAAUA,EAAOxB,cACnBA,EAAcwB,EAAOxB,aAGvB,IAAIC,EAAY1P,EAASyP,EACzB,GAAIC,IAAc3P,EAAKE,QAAWyP,EAAY,EAAI3P,EAAKE,QAAUvG,KAAK2V,gBAAgBtP,EAAM2P,GAC1F,OAAO,EAGX,OAAO,IAIIqD,ICyKAmB,E,WA1Sb,WAAanU,GACXrG,KAAKqG,KAAOA,EAEZrG,KAAKya,eAAiBpU,EAAK4B,WAE3BjI,KAAKqP,KAAO,EAEZrP,KAAK0a,cAAgB,E,2BAIvBC,SAAA,WACE,IACEtU,EAAOrG,KAAKqG,KACZoU,EAAiBza,KAAKya,eACtBG,EAAWvU,EAAK4B,WAAawS,EAC7BI,EAAe,IAAI3S,WAAW,GAC9B4S,EAAiBzS,KAAK0S,IAAI,EAAGN,GAC/B,GAAuB,IAAnBK,EACF,MAAM,IAAIhQ,MAAM,sBAGlB+P,EAAaG,IAAI3U,EAAKO,SAASgU,EAAUA,EAAWE,IACpD9a,KAAKqP,KAAO,IAAI9B,SAASsN,EAAanS,QAAQ+E,UAAU,GAExDzN,KAAK0a,cAAiC,EAAjBI,EACrB9a,KAAKya,gBAAkBK,G,EAIzBG,SAAA,SAAUC,GACR,IAAIC,EACAnb,KAAK0a,cAAgBQ,GACvBlb,KAAKqP,OAAS6L,EACdlb,KAAK0a,eAAiBQ,IAEtBA,GAASlb,KAAK0a,cAEdQ,IADAC,EAAYD,GAAS,IACE,EACvBlb,KAAKya,gBAAkBU,EACvBnb,KAAK2a,WACL3a,KAAKqP,OAAS6L,EACdlb,KAAK0a,eAAiBQ,I,EAK1BE,SAAA,SAAUvU,GACR,IACEwU,EAAOhT,KAAK0S,IAAI/a,KAAK0a,cAAe7T,GACpCyU,EAAOtb,KAAKqP,OAAU,GAAKgM,EAa7B,OAZIxU,EAAO,IACTvE,IAAOlB,MAAM,2CAGfpB,KAAK0a,eAAiBW,EAClBrb,KAAK0a,cAAgB,EACvB1a,KAAKqP,OAASgM,EACLrb,KAAKya,eAAiB,GAC/Bza,KAAK2a,YAGPU,EAAOxU,EAAOwU,GACH,GAAKrb,KAAK0a,cACZY,GAAQD,EAAOrb,KAAKob,SAASC,GAE7BC,G,EAKXC,OAAA,WACE,IAAIC,EACJ,IAAKA,EAAmB,EAAGA,EAAmBxb,KAAK0a,gBAAiBc,EAClE,GAAwD,IAAnDxb,KAAKqP,KAAQ,aAAemM,GAI/B,OAFAxb,KAAKqP,OAASmM,EACdxb,KAAK0a,eAAiBc,EACfA,EAKX,OADAxb,KAAK2a,WACEa,EAAmBxb,KAAKub,U,EAIjCE,QAAA,WACEzb,KAAKib,SAAS,EAAIjb,KAAKub,W,EAIzBG,OAAA,WACE1b,KAAKib,SAAS,EAAIjb,KAAKub,W,EAIzBI,QAAA,WACE,IAAIC,EAAM5b,KAAKub,SACf,OAAOvb,KAAKob,SAASQ,EAAM,GAAK,G,EAIlCC,OAAA,WACE,IAAIP,EAAOtb,KAAK2b,UAChB,OAAI,EAAOL,EAED,EAAIA,IAAU,GAEd,GAAKA,IAAS,I,EAM1BQ,YAAA,WACE,OAA4B,IAArB9b,KAAKob,SAAS,I,EAIvBW,UAAA,WACE,OAAO/b,KAAKob,SAAS,I,EAIvBY,WAAA,WACE,OAAOhc,KAAKob,SAAS,K,EAGvBa,SAAA,WACE,OAAOjc,KAAKob,SAAS,K,EAUvBc,gBAAA,SAAiBhB,GACf,IAGE5F,EAFA6G,EAAY,EACZC,EAAY,EAGd,IAAK9G,EAAI,EAAGA,EAAI4F,EAAO5F,IACH,IAAd8G,IAEFA,GAAaD,EADAnc,KAAK6b,SACoB,KAAO,KAE/CM,EAA2B,IAAdC,EAAmBD,EAAYC,G,EAahDC,QAAA,WACE,IAKEC,EACAC,EAAgCC,EAChCC,EACAC,EACAC,EACA1V,EATA2V,EAAsB,EACtBC,EAAuB,EACvBC,EAAqB,EACrBC,EAAwB,EAOxBhB,EAAY/b,KAAK+b,UAAUzb,KAAKN,MAChCob,EAAWpb,KAAKob,SAAS9a,KAAKN,MAC9B2b,EAAU3b,KAAK2b,QAAQrb,KAAKN,MAC5B8b,EAAc9b,KAAK8b,YAAYxb,KAAKN,MACpCib,EAAWjb,KAAKib,SAAS3a,KAAKN,MAC9B0b,EAAS1b,KAAK0b,OAAOpb,KAAKN,MAC1Byb,EAAUzb,KAAKyb,QAAQnb,KAAKN,MAC5Bkc,EAAkBlc,KAAKkc,gBAAgB5b,KAAKN,MAS9C,GAPA+b,IACAO,EAAaP,IACGX,EAAS,GACzBH,EAAS,GACEc,IACXN,IAEmB,MAAfa,GACe,MAAfA,GACe,MAAfA,GACe,MAAfA,GACe,KAAfA,GACe,KAAfA,GACe,KAAfA,GACe,MAAfA,GACe,MAAfA,EAAoB,CACtB,IAAIU,EAAkBrB,IAQtB,GAPwB,IAApBqB,GACF/B,EAAS,GAGXQ,IACAA,IACAR,EAAS,GACLa,IAEF,IADAa,EAAwC,IAApBK,EAAyB,EAAI,GAC5C/V,EAAI,EAAGA,EAAI0V,EAAkB1V,IAC5B6U,KAEAI,EADEjV,EAAI,EACU,GAEA,IAM1BwU,IACA,IAAIwB,EAAkBtB,IACtB,GAAwB,IAApBsB,EACFtB,SACK,GAAwB,IAApBsB,EAKT,IAJAhC,EAAS,GACTS,IACAA,IACAa,EAAiCZ,IAC5B1U,EAAI,EAAGA,EAAIsV,EAAgCtV,IAC9CyU,IAGJD,IACAR,EAAS,GACTuB,EAAsBb,IACtBc,EAA4Bd,IAEH,KADzBe,EAAmBtB,EAAS,KAE1BH,EAAS,GAGXA,EAAS,GACLa,MACFc,EAAsBjB,IACtBkB,EAAuBlB,IACvBmB,EAAqBnB,IACrBoB,EAAwBpB,KAE1B,IAAIuB,EAAa,CAAC,EAAG,GACrB,GAAIpB,KAEEA,IAGF,OADuBC,KAEvB,KAAK,EAAGmB,EAAa,CAAC,EAAG,GAAI,MAC7B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,GAAIA,EAAa,CAAC,GAAI,IAAK,MAChC,KAAK,GAAIA,EAAa,CAAC,GAAI,IAAK,MAChC,KAAK,GAAIA,EAAa,CAAC,GAAI,IAAK,MAChC,KAAK,GAAIA,EAAa,CAAC,IAAK,IAAK,MACjC,KAAK,GAAIA,EAAa,CAAC,EAAG,GAAI,MAC9B,KAAK,GAAIA,EAAa,CAAC,EAAG,GAAI,MAC9B,KAAK,GAAIA,EAAa,CAAC,EAAG,GAAI,MAC9B,KAAK,IACHA,EAAa,CAACnB,KAAe,EAAIA,IAAaA,KAAe,EAAIA,KAMvE,MAAO,CACLoB,MAAO9U,KAAK+U,KAAmC,IAA3BZ,EAAsB,GAAiC,EAAtBI,EAAiD,EAAvBC,GAC/EQ,QAAU,EAAIX,IAAqBD,EAA4B,GAAK,IAAQC,EAAmB,EAAI,IAAMI,EAAqBC,GAC9HG,WAAYA,I,EAIhBI,cAAA,WAME,OAJAtd,KAAK+b,YAEL/b,KAAK2b,UAEE3b,KAAK2b,W,KClLD4B,E,WApHb,WAAajM,EAAUC,EAAQiM,EAAaC,GAC1Czd,KAAKwd,YAAcA,EACnBxd,KAAKyd,WAAaA,EAClBzd,KAAK0d,UAAY,IAAIrM,IAAUC,EAAUC,EAAQ,CAAEhC,oBAAoB,I,2BAGzEoO,cAAA,SAAeC,EAAe7L,GAC5B/R,KAAK0d,UAAUnR,QAAQqR,EAAe5d,KAAKwd,YAAYnd,IAAIqI,OAAQ1I,KAAKwd,YAAYnR,GAAG3D,OAAQqJ,I,EAIjG8L,iBAAA,SAAkB9F,EAAS+F,EAAa/L,EAAUgM,GAChD,IAAIC,EAAUjG,EAAQ+F,GAAajG,KAC/B+F,EAAgBI,EAAQpX,SAAS,GAAIoX,EAAQzX,OAASyX,EAAQzX,OAAS,IACvE0X,EAAkBL,EAAclV,OAAOwI,MACzC0M,EAAcM,WACdN,EAAcM,WAAaN,EAAcrX,QAEvC4X,EAAYne,KAChBA,KAAK2d,cAAcM,GAAiB,SAAUG,GAC5CA,EAAgB,IAAIlW,WAAWkW,GAC/BJ,EAAQhD,IAAIoD,EAAe,IAEtBL,GACHI,EAAUE,kBAAkBtG,EAAS+F,EAAc,EAAG/L,O,EAK5DsM,kBAAA,SAAmBtG,EAAS+F,EAAa/L,GACvC,MAAQ+L,IAAe,CACrB,GAAIA,GAAe/F,EAAQxR,OAEzB,YADAwL,IAIF,KAAIgG,EAAQ+F,GAAajG,KAAKtR,OAAS,IAAvC,CAIA,IAAIwX,EAAO/d,KAAK0d,UAAU7L,SAI1B,GAFA7R,KAAK6d,iBAAiB9F,EAAS+F,EAAa/L,EAAUgM,IAEjDA,EACH,U,EAMNO,oBAAA,SAAqBC,GAInB,IAHA,IAAIC,EAAiE,GAA9CnW,KAAKoW,OAAOF,EAAYhY,OAAS,IAAM,KAAY,GACtEqX,EAAgB,IAAIc,UAAUF,GAC9BG,EAAY,EACPC,EAAW,GAAIA,GAAYL,EAAYhY,OAAS,GAAIqY,GAAY,IAAKD,GAAa,GACzFf,EAAc5C,IAAIuD,EAAY3X,SAASgY,EAAUA,EAAW,IAAKD,GAGnE,OAAOf,G,EAGTiB,oBAAA,SAAqBN,EAAaH,GAChCA,EAAgB,IAAIlW,WAAWkW,GAE/B,IADA,IAAIQ,EAAW,EACND,EAAY,GAAIA,GAAaJ,EAAYhY,OAAS,GAAIoY,GAAa,IAAKC,GAAY,GAC3FL,EAAYvD,IAAIoD,EAAcxX,SAASgY,EAAUA,EAAW,IAAKD,GAGnE,OAAOJ,G,EAGTO,iBAAA,SAAkB/G,EAAS+F,EAAaiB,EAAWhN,EAAUiM,EAASD,GACpE,IAAIQ,EAAcve,KAAKyd,WAAWO,EAAQ3X,MACtCuX,EAAgB5d,KAAKse,oBAAoBC,GACzCJ,EAAYne,KAEhBA,KAAK2d,cAAcC,EAAclV,QAAQ,SAAU0V,GACjDJ,EAAQ3X,KAAO8X,EAAUU,oBAAoBN,EAAaH,GAErDL,GACHI,EAAUa,kBAAkBjH,EAAS+F,EAAaiB,EAAY,EAAGhN,O,EAKvEiN,kBAAA,SAAmBjH,EAAS+F,EAAaiB,EAAWhN,GAClD,MAAQ+L,IAAeiB,EAAY,EAAG,CACpC,GAAIjB,GAAe/F,EAAQxR,OAEzB,YADAwL,IAKF,IADA,IAAIkN,EAAWlH,EAAQ+F,GAAaoB,QAE9BH,GAAaE,EAAS1Y,QADpBwY,IAAa,CAKnB,IAAIf,EAAUiB,EAASF,GACvB,KAAIf,EAAQzX,QAAU,IAAwB,IAAjByX,EAAQzc,MAA+B,IAAjByc,EAAQzc,MAA3D,CAIA,IAAIwc,EAAO/d,KAAK0d,UAAU7L,SAI1B,GAFA7R,KAAK8e,iBAAiB/G,EAAS+F,EAAaiB,EAAWhN,EAAUiM,EAASD,IAErEA,EACH,W,KCvFJoB,EAAuB,CAC3BC,MAAO,EACPC,MAAO,EACPC,IAAK,EACLzW,KAAM,GAwiCO0W,E,WApiCb,WAAajO,EAAU4G,EAAS3G,EAAQiO,GACtCxf,KAAKsR,SAAWA,EAChBtR,KAAKuR,OAASA,EACdvR,KAAKwf,cAAgBA,EACrBxf,KAAKkY,QAAUA,EACflY,KAAKyf,UAAY,K,2BAGnBC,eAAA,SAAgBlC,GACM,MAAfA,GAA4C,MAAnBA,EAAYnd,KAAwC,eAAvBmd,EAAYmC,OACrE3f,KAAKyf,UAAY,IAAIlC,EAAmBvd,KAAKsR,SAAUtR,KAAKuR,OAAQiM,EAAaxd,KAAKyd,YAEtFzd,KAAKyf,UAAY,M,EAId3J,MAAP,SAAczP,GACZ,IAAMuZ,EAAaL,EAAUM,YAAYxZ,GACzC,QAAIuZ,EAAa,KAGXA,GACFtd,IAAOpB,KAAP,wDAAoE0e,EAApE,mBAGK,I,EAIJC,YAAP,SAAoBxZ,GAIlB,IAFA,IAAMyZ,EAAazX,KAAK0S,IAAI,IAAM1U,EAAKE,OAAS,KAC5CU,EAAI,EACDA,EAAI6Y,GAAY,CAErB,GAAgB,KAAZzZ,EAAKY,IAAiC,KAAlBZ,EAAKY,EAAI,MAAuC,KAAtBZ,EAAKY,EAAI,KACzD,OAAOA,EAEPA,IAGJ,OAAQ,G,EAUH8Y,YAAP,SAAoBxe,EAAM+W,GACxB,MAAO,CACLE,UAAoB,UAATjX,GAA6B,UAATA,EAAmB,kBAAe6P,EACjE7P,OACAkX,GAAI0G,EAAqB5d,GACzBye,KAAM,EACNpH,eAAgB,IAChBF,eAAgB,EAChBX,QAAS,GACTkI,QAAkB,UAAT1e,EAAmB,OAAI6P,EAChCuH,MAAgB,UAATpX,QAA0B6P,EACjCkH,SAAmB,UAAT/W,EAAmB+W,OAAWlH,I,EAc5C+G,iBAAA,SAAkBC,EAAajC,EAAYkC,EAAYC,GACrDtY,KAAKkgB,WAAY,EACjBlgB,KAAKmgB,QAAU,EAEfngB,KAAKogB,UAAYb,EAAUQ,YAAY,QAASzH,GAChDtY,KAAKuY,YAAcgH,EAAUQ,YAAY,QAASzH,GAClDtY,KAAKqgB,UAAYd,EAAUQ,YAAY,MAAOzH,GAC9CtY,KAAKsgB,UAAYf,EAAUQ,YAAY,OAAQzH,GAG/CtY,KAAKugB,YAAc,KACnBvgB,KAAKwgB,WAAa,KAClBxgB,KAAKygB,UAAY,KACjBzgB,KAAKmW,WAAaA,EAClBnW,KAAKqY,WAAaA,EAClBrY,KAAK0gB,UAAYpI,G,EAOnBO,eAAA,a,EAGAE,OAAA,SAAQ1S,EAAM2S,EAAYC,EAAYC,GACpC,IAAIyH,EAA0BC,EAAKZ,EAAU1Z,EAAQua,EAA1ClX,EAAMtD,EAAKE,OACpBua,GAAc,EAChB9gB,KAAKiZ,WAAaA,EAClB,IAAIiH,EAAYlgB,KAAKkgB,UACnBa,EAAW/gB,KAAKogB,UAChBY,EAAahhB,KAAKuY,YAClB0I,EAAWjhB,KAAKqgB,UAChBa,EAAQH,EAASf,IACjBmB,EAAUH,EAAWhB,IACrBoB,EAAQH,EAASjB,IACjBqB,EAAQrhB,KAAKmgB,OACbmB,EAAUP,EAASQ,QACnBC,EAAYR,EAAWO,QACvB/Z,EAAUyZ,EAASM,QACnBE,EAAWzhB,KAAK0hB,UAChBC,EAAW3hB,KAAK4hB,UAChBC,EAAW7hB,KAAK8hB,UAChBC,EAAc/hB,KAAKgiB,aAAa1hB,KAAKN,MACrCiiB,EAAcjiB,KAAKkiB,aAAa5hB,KAAKN,MACrCmiB,EAAeniB,KAAKoiB,cAAc9hB,KAAKN,MACvCqiB,EAAcriB,KAAKsiB,aAAahiB,KAAKN,MAEjC4f,EAAaL,EAAUM,YAAYxZ,GAMzC,IAHAsD,IAAQA,EAAMiW,GAAc,IAGvBe,EAAQf,EAAYe,EAAQhX,EAAKgX,GAAS,IAC7C,GAAoB,KAAhBta,EAAKsa,GAAiB,CAMxB,GALAC,KAA2B,GAAlBva,EAAKsa,EAAQ,IAEtBX,IAA0B,GAAlB3Z,EAAKsa,EAAQ,KAAc,GAAKta,EAAKsa,EAAQ,IAC5B,GAAlBta,EAAKsa,EAAQ,KAAc,EAExB,GAGR,IAFAra,EAASqa,EAAQ,EAAIta,EAAKsa,EAAQ,MAElBA,EAAQ,IACtB,cAGFra,EAASqa,EAAQ,EAEnB,OAAQX,GACR,KAAKkB,EACCN,IACEU,IAAYT,EAAMgB,EAASP,KAC7BS,EAAYlB,GAAK,GAGnBS,EAAU,CAAEjb,KAAM,GAAIQ,KAAM,IAE1Bya,IACFA,EAAQjb,KAAKuB,KAAKvB,EAAKO,SAASN,EAAQqa,EAAQ,MAChDW,EAAQza,MAAQ8Z,EAAQ,IAAMra,GAEhC,MACF,KAAK6a,EACCP,IACEY,IAAcX,EAAMgB,EAASL,MAC3BR,EAAWrI,MACbsJ,EAAYpB,GAEZsB,EAAatB,IAGjBW,EAAY,CAAEnb,KAAM,GAAIQ,KAAM,IAE5B2a,IACFA,EAAUnb,KAAKuB,KAAKvB,EAAKO,SAASN,EAAQqa,EAAQ,MAClDa,EAAU3a,MAAQ8Z,EAAQ,IAAMra,GAElC,MACF,KAAK8a,EACCR,IACEpZ,IAAYqZ,EAAMgB,EAASra,KAC7B6a,EAAYxB,GAGdrZ,EAAU,CAAEnB,KAAM,GAAIQ,KAAM,IAE1BW,IACFA,EAAQnB,KAAKuB,KAAKvB,EAAKO,SAASN,EAAQqa,EAAQ,MAChDnZ,EAAQX,MAAQ8Z,EAAQ,IAAMra,GAEhC,MACF,KAAK,EACCsa,IACFta,GAAUD,EAAKC,GAAU,GAG3B+a,EAAQrhB,KAAKmgB,OAASsB,EAASpb,EAAMC,GACrC,MACF,KAAK+a,EACCT,IACFta,GAAUD,EAAKC,GAAU,GAG3B,IAAIic,EAAaZ,EAAStb,EAAMC,GAAoC,IAA5BtG,KAAKwf,cAAcgD,OAA4C,IAA3BxiB,KAAKwf,cAAciD,IAAgC,MAAlBziB,KAAKyf,YAQlHyB,EAAQqB,EAAWG,KACP,IACV3B,EAASf,IAAMkB,IAGjBC,EAAUoB,EAAWlD,OACP,IACZ2B,EAAWhB,IAAMmB,EACjBH,EAAWrI,MAAQ4J,EAAW5J,QAEhCyI,EAAQmB,EAAWjD,KACP,IACV2B,EAASjB,IAAMoB,GAGbN,IAAgBZ,IAClB5d,IAAOrB,IAAI,0BACX6f,GAAc,EAEdH,EAAQf,EAAa,KAEvBM,EAAYlgB,KAAKkgB,WAAY,EAC7B,MACF,KAAK,GACL,KAAK,KACH,MACF,QACEY,GAAc,QAIhB9gB,KAAKsR,SAASmB,QAAQC,IAAMnN,MAAO,CAAEhE,KAAMsE,IAAW8M,YAAaC,QAAS9M,IAAamR,mBAAoBnE,OAAO,EAAOC,OAAQ,sCAInIuO,IAAYT,EAAMgB,EAASP,KAC7BS,EAAYlB,GAAK,GACjBE,EAASQ,QAAU,MAGnBR,EAASQ,QAAUD,EAGjBE,IAAcX,EAAMgB,EAASL,KAC3BR,EAAWrI,MACbsJ,EAAYpB,GAEZsB,EAAatB,GAGfG,EAAWO,QAAU,OAEjBC,GAAaA,EAAU3a,MACzBvE,IAAOrB,IAAI,iEAIb+f,EAAWO,QAAUC,GAGnBha,IAAYqZ,EAAMgB,EAASra,KAC7B6a,EAAYxB,GACZI,EAASM,QAAU,MAGnBN,EAASM,QAAU/Z,EAGC,MAAlBxH,KAAKyf,UACPzf,KAAKkY,QAAQkB,MAAM4H,EAAYD,EAAUE,EAAUjhB,KAAKsgB,UAAWtH,EAAYC,EAAYC,GAE3FlZ,KAAK2iB,gBAAgB3B,EAAYD,EAAUE,EAAUjhB,KAAKsgB,UAAWtH,EAAYC,EAAYC,I,EAIjGyJ,gBAAA,SAAiB3B,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,GACpF,GAAI8H,EAAWjJ,SAAWiJ,EAAWrI,MAAO,CAC1C,IAAIwF,EAAYne,KAChBA,KAAKyf,UAAUpB,kBAAkB2C,EAAWjJ,QAAS,GAAG,WACtDoG,EAAU2E,mBAAmB9B,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,WAGpGlZ,KAAK8iB,mBAAmB9B,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,I,EAIjG4J,mBAAA,SAAoB9B,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,GACvF,GAAI0J,EAAW7K,QAAS,CACtB,IAAIoG,EAAYne,KAChBA,KAAKyf,UAAUT,kBAAkB4D,EAAW7K,QAAS,EAAG,GAAG,WACzDoG,EAAUjG,QAAQkB,MAAM4H,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,WAG/FlZ,KAAKkY,QAAQkB,MAAM4H,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,I,EAI5F/H,QAAA,WACEnR,KAAK+iB,SAAW/iB,KAAKgjB,cAAW5R,EAChCpR,KAAK0gB,UAAY,G,EAGnBgB,UAAA,SAAWrb,EAAMC,GAEf,OAA4B,GAApBD,EAAKC,EAAS,MAAe,EAAID,EAAKC,EAAS,K,EAIzDsb,UAAA,SAAWvb,EAAMC,EAAQ2c,EAAeC,GACtC,IAAmBC,EAA6BnD,EAAKzN,EAAS,CAAE8M,OAAQ,EAAGqD,KAAM,EAAGpD,KAAM,EAAG3G,OAAO,GAQpG,IANAwK,EAAW7c,EAAS,IADgB,GAAnBD,EAAKC,EAAS,KAAc,EAAID,EAAKC,EAAS,IACvB,EAKxCA,GAAU,KAF+B,GAApBD,EAAKC,EAAS,MAAe,EAAID,EAAKC,EAAS,KAG7DA,EAAS6c,GAAU,CAExB,OADAnD,GAA0B,GAAnB3Z,EAAKC,EAAS,KAAc,EAAID,EAAKC,EAAS,GAC7CD,EAAKC,IACb,KAAK,IACH,IAAK4c,EAAa,CAChB5gB,IAAOrB,IAAI,uBAAyBoF,EAAKC,IACzC,MAKJ,KAAK,IAEmB,IAAlBiM,EAAO8M,QACT9M,EAAO8M,MAAQW,GAGjB,MAGF,KAAK,IAEiB,IAAhBzN,EAAO+M,MACT/M,EAAO+M,IAAMU,GAGf,MAEF,KAAK,IACH,IAAKkD,EAAa,CAChB5gB,IAAOrB,IAAI,uBAAyBoF,EAAKC,IACzC,MAKJ,KAAK,IAEiB,IAAhBiM,EAAOmQ,MACTnQ,EAAOmQ,IAAM1C,GAGf,MAIF,KAAK,EACL,KAAK,EAEEiD,GAEwB,IAAlB1Q,EAAO8M,QAChB9M,EAAO8M,MAAQW,EACfzN,EAAOoG,OAAQ,GAHfrW,IAAOrB,IAAI,2DAKb,MAEF,KAAK,GACHqB,IAAOpB,KAAK,iDACZ,MAEF,QACEoB,IAAOrB,IAAI,uBAAyBoF,EAAKC,IAK3CA,GAAgE,IAAjC,GAAnBD,EAAKC,EAAS,KAAc,EAAID,EAAKC,EAAS,IAE5D,OAAOiM,G,EAGTuP,UAAA,SAAWsB,GACT,IAAWC,EAAMC,EAAqBC,EAAQC,EAAWjC,EAASkC,EAAQC,EAAQC,EAA9E1c,EAAI,EAA8FZ,EAAO+c,EAAO/c,KAEpH,IAAK+c,GAA0B,IAAhBA,EAAOvc,KACpB,OAAO,KAMT,KAAOR,EAAK,GAAGE,OAAS,IAAMF,EAAKE,OAAS,GAAG,CAC7C,IAAIqd,EAAU,IAAI1b,WAAW7B,EAAK,GAAGE,OAASF,EAAK,GAAGE,QACtDqd,EAAQ5I,IAAI3U,EAAK,IACjBud,EAAQ5I,IAAI3U,EAAK,GAAIA,EAAK,GAAGE,QAC7BF,EAAK,GAAKud,EACVvd,EAAKwd,OAAO,EAAG,GAKjB,GAAkB,MAFlBR,EAAOhd,EAAK,IACM,IAAM,KAAOgd,EAAK,IAAM,GAAKA,EAAK,GAC/B,CAInB,IAHAE,GAAUF,EAAK,IAAM,GAAKA,EAAK,KAGjBE,EAASH,EAAOvc,KAAO,EACnC,OAAO,KAyCT,GArCe,KADfyc,EAAWD,EAAK,OAKdI,EAA4B,WAAR,GAAVJ,EAAK,IACO,SAAR,IAAXA,EAAK,KACc,OAAR,IAAXA,EAAK,KACc,KAAR,IAAXA,EAAK,MACM,IAAXA,EAAK,KAAc,GAET,aAEXI,GAAU,YAEG,GAAXH,IACFI,EAA6B,WAAR,GAAXL,EAAK,KACO,SAAR,IAAXA,EAAK,KACc,OAAR,IAAXA,EAAK,KACc,KAAR,IAAXA,EAAK,MACM,IAAXA,EAAK,KAAc,GAET,aAEXK,GAAU,YAERD,EAASC,EAAS,OACpBphB,IAAOpB,KAAQmH,KAAKC,OAAOmb,EAASC,GAAU,KAA9C,2CACAD,EAASC,IAGXA,EAASD,GAKbE,GAFAH,EAAYH,EAAK,IAEgB,EAE7BD,EAAOvc,MAAQ8c,EACjB,OAAO,KAETP,EAAOvc,MAAQ8c,EAEfpC,EAAU,IAAIrZ,WAAWkb,EAAOvc,MAChC,IAAK,IAAIyO,EAAI,EAAGwO,EAAUzd,EAAKE,OAAQ+O,EAAIwO,EAASxO,IAAK,CAEvD,IAAI3L,GADJ0Z,EAAOhd,EAAKiP,IACGrN,WACf,GAAI0b,EAAoB,CACtB,GAAIA,EAAqBha,EAAK,CAE5Bga,GAAsBha,EACtB,SAGA0Z,EAAOA,EAAKzc,SAAS+c,GACrBha,GAAOga,EACPA,EAAqB,EAGzBpC,EAAQvG,IAAIqI,EAAMpc,GAClBA,GAAK0C,EAMP,OAJI4Z,IAEFA,GAAUC,EAAY,GAEjB,CAAEnd,KAAMkb,EAASlK,IAAKoM,EAAQ3L,IAAK4L,EAAQ/Z,IAAK4Z,GAEvD,OAAO,M,EAIXQ,cAAA,SAAetD,EAAWM,GACxB,GAAIN,EAAUvB,MAAM3Y,QAAUka,EAAUvZ,MAAO,CAC7C,IAAM6Q,EAAUgJ,EAAShJ,QACnBiM,EAAYjM,EAAQxR,OAE1B,GAAI0d,MAAMxD,EAAUpJ,KAAM,CACxB,IAAI2M,EAOF,YADAjD,EAASd,UALT,IAAMiE,EAAanM,EAAQiM,EAAY,GACvCvD,EAAUpJ,IAAM6M,EAAW7M,IAC3BoJ,EAAU3I,IAAMoM,EAAWpM,KAW1B9X,KAAKuR,OAAO4S,+BACK,IAAlB1D,EAAUpgB,KACT0gB,EAASqD,MAAQJ,GAAahkB,KAAKiZ,aACtCwH,EAAUhI,GAAKuL,EACfjM,EAAQnQ,KAAK6Y,IAGbM,EAASd,UAGTQ,EAAUzf,MAAMuF,QAClBjE,IAAOrB,IAAIwf,EAAUpJ,IAAM,IAAMoJ,EAAU3I,IAAM,IAAM2I,EAAUzf,Q,EAIrEghB,aAAA,SAAcnB,EAAKwD,GAAM,IAKrBC,EAEA1c,EAEAX,EATqB,OAEnBiP,EAAQlW,KAAKogB,UACflB,EAAQlf,KAAKukB,cAAc1D,EAAIxa,MAG/Boa,EAAYzgB,KAAKygB,UAEjB+D,GAAW,EAEXT,EAAgB/jB,KAAK+jB,cAAczjB,KAAKN,MACxCykB,EAAkB,SAAUpkB,EAAKgX,EAAKS,EAAK9W,GACzC,MAAO,CAAEX,IAAKA,EAAKgX,IAAKA,EAAKS,IAAKA,EAAKoH,MAAO,GAAIle,MAAOA,IAG7D6f,EAAIxa,KAAO,KAIPoa,GAAavB,EAAM3Y,SAAW2P,EAAMwO,WACtCX,EAActD,EAAWvK,GACzBuK,EAAYzgB,KAAKygB,UAAYgE,GAAgB,EAAO5D,EAAIxJ,IAAKwJ,EAAI/I,IAAK,KAGxEoH,EAAM/c,SAAQ,SAAA0V,GACZ,OAAQA,EAAKtW,MAEb,KAAK,EACHqG,GAAO,EACF6Y,IACHA,EAAY,EAAKA,UAAYgE,GAAgB,EAAM5D,EAAIxJ,IAAKwJ,EAAI/I,IAAK,KAOvE2I,EAAUvZ,OAAQ,EAClB,IAAIb,EAAOwR,EAAKxR,KAEhB,GAAIme,GAAYne,EAAKE,OAAS,EAAG,CAE/B,IAAIoe,EAAY,IAAInK,EAAUnU,GAAMiX,gBAMlB,IAAdqH,GAAiC,IAAdA,GAAiC,IAAdA,GAAiC,IAAdA,IAC3DlE,EAAUpgB,KAAM,GAGpB,MAEF,KAAK,EACHuH,GAAO,EAEF6Y,IACHA,EAAY,EAAKA,UAAYgE,GAAgB,EAAM5D,EAAIxJ,IAAKwJ,EAAI/I,IAAK,KAOvE2I,EAAUpgB,KAAM,EAChBogB,EAAUvZ,OAAQ,EAClB,MAEF,KAAK,EACHU,GAAO,GAKP0c,EAAmB,IAAI9J,EAAU,EAAKiD,WAAW5F,EAAKxR,QAGrC0V,YAOjB,IALA,IAAI6I,EAAc,EACdC,EAAc,EACdC,GAAgB,EAChBC,EAAI,GAEAD,GAAiBR,EAAiB7J,eAAiB,GAAG,CAC5DmK,EAAc,EACd,GAEEA,GADAG,EAAIT,EAAiBvI,kBAER,MAANgJ,GAGTF,EAAc,EACd,GAEEA,GADAE,EAAIT,EAAiBvI,kBAER,MAANgJ,GAIT,GAAoB,IAAhBH,GAAyD,IAApCN,EAAiB7J,gBAKxC,GAJAqK,GAAgB,EAII,MAFFR,EAAiBvI,YAKjC,GAAqB,KAFFuI,EAAiBtI,aAKlC,GAAsB,aAFFsI,EAAiBrI,WAMnC,GAAqB,IAHFqI,EAAiBvI,YAGZ,CACtB,IAAIiJ,EAAYV,EAAiBvI,YAG7BkJ,EAAW,GAAKD,EAChBE,EAAY,CAACF,EAHAV,EAAiBvI,aAKlC,IAAK9U,EAAI,EAAGA,EAAIge,EAAUhe,IAExBie,EAAUtd,KAAK0c,EAAiBvI,aAChCmJ,EAAUtd,KAAK0c,EAAiBvI,aAChCmJ,EAAUtd,KAAK0c,EAAiBvI,aAGlC,EAAKoJ,qBAAqB,EAAK7E,UAAUvI,QAAS,CAAExW,KAAM,EAAG8V,IAAKwJ,EAAIxJ,IAAK+N,MAAOF,UAKrF,GAAoB,IAAhBN,GAAyD,IAApCN,EAAiB7J,gBAG/C,GAFAqK,GAAgB,EAEZD,EAAc,GAAI,CACpB,IAAMQ,EAAe,GACrB,IAAKpe,EAAI,EAAGA,EAAI,GAAIA,IAClBoe,EAAazd,KAAK0c,EAAiBvI,YAAYuJ,SAAS,KAE9C,IAANre,GAAiB,IAANA,GAAiB,IAANA,GAAiB,IAANA,GACnCoe,EAAazd,KAAK,KAGtB,IAAMrB,EAASse,EAAc,GACvBU,EAAuB,IAAIrd,WAAW3B,GAC5C,IAAKU,EAAI,EAAGA,EAAIV,EAAQU,IACtBse,EAAqBte,GAAKqd,EAAiBvI,YAG7C,EAAKoJ,qBAAqB,EAAK7E,UAAUvI,QAAS,CAChDV,IAAKwJ,EAAIxJ,IACTuN,YAAaA,EACbY,KAAMH,EAAanZ,KAAK,IACxBuZ,cAAeF,EACfG,SAAU5b,YAAeyb,EAAqB7c,gBAG7C,GAAImc,EAAcP,EAAiB7J,eACxC,IAAKxT,EAAI,EAAGA,EAAI4d,EAAa5d,IAC3Bqd,EAAiBvI,YAIvB,MAEF,KAAK,EAOH,GANAnU,GAAO,EACP4c,GAAW,GAKNtO,EAAMkO,IAAK,CAEd,IAAI7S,GADJ+S,EAAmB,IAAI9J,EAAU3C,EAAKxR,OACRgW,UAC9BnG,EAAMiH,MAAQ5L,EAAO4L,MACrBjH,EAAMmH,OAAS9L,EAAO8L,OACtBnH,EAAMgH,WAAa3L,EAAO2L,WAC1BhH,EAAMkO,IAAM,CAACvM,EAAKxR,MAClB6P,EAAMoC,SAAW,EAAKoI,UACtB,IAAIiF,EAAa9N,EAAKxR,KAAKO,SAAS,EAAG,GACnCgf,EAAc,QAClB,IAAK3e,EAAI,EAAGA,EAAI,EAAGA,IAAK,CACtB,IAAI4e,EAAIF,EAAW1e,GAAGqe,SAAS,IAC3BO,EAAEtf,OAAS,IACbsf,EAAI,IAAMA,GAGZD,GAAeC,EAEjB3P,EAAMc,MAAQ4O,EAEhB,MAEF,KAAK,EACHhe,GAAO,EAKFsO,EAAM4P,MACT5P,EAAM4P,IAAM,CAACjO,EAAKxR,OAGpB,MAEF,KAAK,EACHuB,GAAO,EACPsO,EAAMwO,UAAW,EACbjE,GACFsD,EAActD,EAAWvK,GAG3BuK,EAAY,EAAKA,UAAYgE,GAAgB,EAAO5D,EAAIxJ,IAAKwJ,EAAI/I,IAAsB,IACvF,MAEF,KAAK,GACHlQ,GAAO,EACP,MACF,QACEA,GAAO,EACH6Y,IACFA,EAAUzf,OAAS,eAAiB6W,EAAKtW,KAAO,KAKhDkf,GAAa7Y,GACH6Y,EAAUvB,MAChBtX,KAAKiQ,MAIXwM,GAAQ5D,IACVsD,EAActD,EAAWvK,GACzBlW,KAAKygB,UAAY,O,EAIrB0E,qBAAA,SAAsBY,EAAK1f,GACzB,IAAIsD,EAAMoc,EAAIxf,OACd,GAAIoD,EAAM,GACR,GAAItD,EAAKgR,KAAO0O,EAAIpc,EAAM,GAAG0N,IAC3B0O,EAAIne,KAAKvB,QAET,IAAK,IAAI2f,EAAMrc,EAAM,EAAGqc,GAAO,EAAGA,IAChC,GAAI3f,EAAKgR,IAAM0O,EAAIC,GAAK3O,IAAK,CAC3B0O,EAAIlC,OAAOmC,EAAK,EAAG3f,GACnB,YAKN0f,EAAIne,KAAKvB,I,EAIb4f,gBAAA,WACE,IAAgCC,EAA5BzF,EAAYzgB,KAAKygB,UAErB,IAAKA,GAAwC,IAA3BA,EAAUvB,MAAM3Y,OAAc,CAC9C,IAA4BwR,EAAhB/X,KAAKogB,UAA2BrI,QAC5C0I,EAAY1I,EAAQA,EAAQxR,OAAS,GAEvC,GAAIka,EAAW,CACb,IAAIvB,EAAQuB,EAAUvB,MACtBgH,EAAWhH,EAAMA,EAAM3Y,OAAS,GAElC,OAAO2f,G,EAGT3B,cAAA,SAAexb,GACb,IAAmC3I,EAAO+lB,EAC1BtO,EAAoCuO,EADhDnf,EAAI,EAAG0C,EAAMZ,EAAMd,WAA6BiO,EAAQlW,KAAKogB,UAAWiG,EAAQnQ,EAAMoQ,WAAa,EAAGC,EAAYF,EAClHnH,EAAQ,GAAoBsH,GAAiB,EAYjD,KATe,IAAXH,IAEFG,EAAgB,EAEhBJ,EAA0B,GAAXrd,EAAM,GACrBsd,EAAQ,EACRpf,EAAI,GAGCA,EAAI0C,GAGT,GAFAvJ,EAAQ2I,EAAM9B,KAETof,EAIL,GAAc,IAAVA,EAKJ,GAAKjmB,EAEE,GAAc,IAAVA,EAAa,CACtB,GAAIomB,GAAiB,EACnB3O,EAAO,CAAExR,KAAM0C,EAAMnC,SAAS4f,EAAevf,EAAIof,EAAQ,GAAI9kB,KAAM6kB,GAEnElH,EAAMtX,KAAKiQ,OACN,CAKL,IAAIqO,EAAWlmB,KAAKimB,kBACpB,GAAIC,IACEK,GAActf,GAAK,EAAIsf,GAIrBL,EAASG,QAEXH,EAAS7f,KAAO6f,EAAS7f,KAAKO,SAAS,EAAGsf,EAAS7f,KAAK4B,WAAase,KAIzEJ,EAAWlf,EAAIof,EAAQ,GACR,GAAG,CAEhB,IAAII,EAAM,IAAIve,WAAWge,EAAS7f,KAAK4B,WAAake,GACpDM,EAAIzL,IAAIkL,EAAS7f,KAAM,GACvBogB,EAAIzL,IAAIjS,EAAMnC,SAAS,EAAGuf,GAAWD,EAAS7f,KAAK4B,YACnDie,EAAS7f,KAAOogB,GAKlBxf,EAAI0C,GAGN6c,EAAgBvf,EAChBmf,EAHsB,GAAXrd,EAAM9B,GAIjBof,EAAQ,GAGRA,GAAS,OAGXA,EAAQ,OA7CRA,EAAQ,OALRA,EAAQjmB,EAAQ,EAAI,OAJpBimB,EAAQjmB,EAAQ,EAAI,EA+DxB,GANIomB,GAAiB,GAAKH,GAAS,IACjCxO,EAAO,CAAExR,KAAM0C,EAAMnC,SAAS4f,EAAe7c,GAAMpI,KAAM6kB,EAAcC,MAAOA,GAC9EnH,EAAMtX,KAAKiQ,IAIQ,IAAjBqH,EAAM3Y,OAAc,CAEtB,IAAI2f,EAAWlmB,KAAKimB,kBACpB,GAAIC,EAAU,CACZ,IAAIO,EAAM,IAAIve,WAAWge,EAAS7f,KAAK4B,WAAac,EAAMd,YAC1Dwe,EAAIzL,IAAIkL,EAAS7f,KAAM,GACvBogB,EAAIzL,IAAIjS,EAAOmd,EAAS7f,KAAK4B,YAC7Bie,EAAS7f,KAAOogB,GAIpB,OADAvQ,EAAMoQ,UAAYD,EACXnH,G,EAMTzB,WAAA,SAAYpX,GAOV,IANA,IAGEqgB,EAAW9C,EAHTrd,EAASF,EAAK4B,WAChB0e,EAAe,GACf1f,EAAI,EAICA,EAAIV,EAAS,GACF,IAAZF,EAAKY,IACW,IAAhBZ,EAAKY,EAAI,IACO,IAAhBZ,EAAKY,EAAI,IACX0f,EAAa/e,KAAKX,EAAI,GACtBA,GAAK,GAELA,IAMJ,GAA4B,IAAxB0f,EAAapgB,OACf,OAAOF,EAITqgB,EAAYngB,EAASogB,EAAapgB,OAClCqd,EAAU,IAAI1b,WAAWwe,GACzB,IAAIE,EAAc,EAElB,IAAK3f,EAAI,EAAGA,EAAIyf,EAAWE,IAAe3f,IACpC2f,IAAgBD,EAAa,KAE/BC,IAEAD,EAAaE,SAEfjD,EAAQ3c,GAAKZ,EAAKugB,GAEpB,OAAOhD,G,EAGT1B,aAAA,SAAcrB,GACZ,IAMErJ,EAAeF,EAAYhR,EAAQoR,EAAO/N,EAgBtCoJ,EAAQD,EAtBVoD,EAAQlW,KAAKuY,YACflS,EAAOwa,EAAIxa,KACXgR,EAAMwJ,EAAIxJ,IAEVkJ,EAAcvgB,KAAKugB,YACnBC,EAAaxgB,KAAKwgB,WAEpB,GAAID,EAAa,CACf,IAAIkG,EAAM,IAAIve,WAAWqY,EAAYtY,WAAa5B,EAAK4B,YACvDwe,EAAIzL,IAAIuF,EAAa,GACrBkG,EAAIzL,IAAI3U,EAAMka,EAAYtY,YAE1B5B,EAAOogB,EAGT,IAAKngB,EAZW,EAYWqD,EAAMtD,EAAKE,OAAQD,EAASqD,EAAM,IACvDmP,EAAczS,EAAMC,GADsCA,KAMhE,GAAIA,IAEEA,EAASqD,EAAM,GACjBoJ,EAAS,iDAAiDzM,EAC1DwM,GAAQ,IAERC,EAAS,kCACTD,GAAQ,GAEVxQ,IAAOpB,KAAP,iBAA6B6R,GAC7B/S,KAAKsR,SAASmB,QAAQC,IAAMnN,MAAO,CAAEhE,KAAMsE,IAAW8M,YAAaC,QAAS9M,IAAamR,mBAAoBnE,MAAOA,EAAOC,OAAQA,IAC/HD,GACF,OAUJ,GANAgG,EAAqB5C,EAAOlW,KAAKsR,SAAUjL,EAAMC,EAAQtG,KAAKmW,YAC9DmB,EAAa,EACbE,EAAgBsB,EAAsB5C,EAAME,YAIxCmK,GAAeC,EAAY,CAC7B,IAAIsG,EAAStG,EAAahJ,EACtBnP,KAAK0e,IAAID,EAASzP,GAAO,IAC3B/U,IAAOrB,IAAP,4CAAuDoH,KAAKC,OAAOwe,EAASzP,GAAO,KACnFA,EAAMyP,GAKV,KAAOxgB,EAASqD,GAAK,CACnB,GAAImP,EAAczS,EAAMC,GAAS,CAC/B,GAAKA,EAAS,EAAKqD,EAAK,CACtB,IAAMzC,EAAQ4R,EAAiB5C,EAAO7P,EAAMC,EAAQ+Q,EAAKC,GACzD,GAAIpQ,EAAO,CACTZ,GAAUY,EAAMX,OAChBmR,EAAQxQ,EAAM8Q,OAAOX,IACrBC,IACA,UAKJ,MAGAhR,IAKFia,EADEja,EAASqD,EACGtD,EAAKO,SAASN,EAAQqD,GAGtB,KAGhB3J,KAAKugB,YAAcA,EACnBvgB,KAAKwgB,WAAa9I,G,EAGpB0K,cAAA,SAAevB,GAOb,IANA,IAAIxa,EAAOwa,EAAIxa,KACXE,EAASF,EAAKE,OACd+Q,EAAa,EACbhR,EAAS,EACT+Q,EAAMwJ,EAAIxJ,IAEP/Q,EAASC,GACd,GAAI8S,EAAUjT,SAASC,EAAMC,GAAS,CACpC,IAAIY,EAAQmS,EAAUjC,YAAYpX,KAAKuY,YAAalS,EAAMC,EAAQ+Q,EAAKC,GACvE,IAAIpQ,EAKF,MAJAZ,GAAUY,EAAMX,OAChB+Q,SAOFhR,K,EAKNgc,aAAA,SAAczB,GACZ7gB,KAAKqgB,UAAUtI,QAAQnQ,KAAKiZ,I,KCh/BjBmG,E,WA7Eb,WAAa1V,EAAU4G,EAAS3G,GAC9BvR,KAAKsR,SAAWA,EAChBtR,KAAKuR,OAASA,EACdvR,KAAKkY,QAAUA,E,2BAGjBC,iBAAA,SAAkBC,EAAajC,EAAYkC,EAAYC,GACrDtY,KAAKuY,YAAc,CAAEC,UAAW,aAAcjX,KAAM,QAASkX,IAAK,EAAGC,eAAgB,EAAGC,OAAO,EAAOZ,QAAS,GAAIpO,IAAK,EAAGiN,cAAeT,EAAYmC,SAAUA,EAAUM,eAAgB,M,EAG5LC,eAAA,a,EAGO/C,MAAP,SAAczP,GAEZ,IAAIC,EAAQC,EACRiB,EAAUrB,IAAIM,WAAWJ,EAAM,GACnC,GAAImB,QAAyC4J,IAA9BjL,IAAIW,aAAaU,GAI9B,IAAKlB,EAASkB,EAAQjB,OAAQA,EAAS8B,KAAK0S,IAAI1U,EAAKE,OAAS,EAAGD,EAAS,KAAMA,EAASC,EAAQD,IAC/F,GAAI+S,EAAUvD,MAAMzP,EAAMC,GAExB,OADAhE,IAAOrB,IAAI,iCACJ,EAIb,OAAO,G,EAIT8X,OAAA,SAAQ1S,EAAM2S,EAAYC,EAAYC,GAWpC,IAVA,IAAI1R,EAAUrB,IAAIM,WAAWJ,EAAM,GAC/B+B,EAAYjC,IAAIW,aAAaU,GAC7B6P,EAAMjP,EAAY,GAAKA,EAAyB,IAAb4Q,EACnC1S,EAASkB,EAAQjB,OACjBA,EAASF,EAAKE,OACd+Q,EAAa,EAAGI,EAAQ,EACxBxB,EAAQlW,KAAKuY,YAEbY,EAAa,CAAC,CAAE9B,IAAKA,EAAKS,IAAKT,EAAKhR,KAAMmB,IAEvClB,EAASC,GACd,GAAI8S,EAAUjT,SAASC,EAAMC,GAAS,CACpC,IAAIY,EAAQmS,EAAUjC,YAAYlB,EAAO7P,EAAMC,EAAQ+Q,EAAKC,GAC5D,IAAIpQ,EAMF,MALAZ,GAAUY,EAAMX,OAChBmR,EAAQxQ,EAAM8Q,OAAOX,IACrBC,SAKOnR,IAAIC,SAASC,EAAMC,IAC5BkB,EAAUrB,IAAIM,WAAWJ,EAAMC,GAC/B6S,EAAWvR,KAAK,CAAEyP,IAAKK,EAAOI,IAAKJ,EAAOrR,KAAMmB,IAChDlB,GAAUkB,EAAQjB,QAGlBD,IAIJtG,KAAKkY,QAAQkB,MAAMlD,EACjB,CAAE6B,QAAS,IACX,CAAEA,QAASoB,EAAYP,eAAgB,KACvC,CAAEb,QAAS,IACXiB,EACAC,EACAC,I,EAGJ/H,QAAA,a,KCxCa8V,E,kCApCNC,eAAP,SAAuBlQ,EAAOD,GAC5B,OAAQC,GACR,IAAK,YACH,GAAqB,IAAjBD,EACF,OAAO,IAAI7O,WAAW,CAAC,EAAM,IAAM,EAAM,IAAM,GAAM,MAChD,GAAqB,IAAjB6O,EACT,OAAO,IAAI7O,WAAW,CAAC,GAAM,EAAM,GAAM,IAAM,EAAM,GAAM,EAAM,GAAM,MAClE,GAAqB,IAAjB6O,EACT,OAAO,IAAI7O,WAAW,CAAC,EAAM,IAAM,EAAM,IAAM,GAAM,IAAM,EAAM,GAAM,GAAM,EAAM,IAAM,EAAM,MAC1F,GAAqB,IAAjB6O,EACT,OAAO,IAAI7O,WAAW,CAAC,EAAM,IAAM,EAAM,IAAM,GAAM,IAAM,EAAM,GAAM,GAAM,EAAM,IAAM,EAAM,IAAM,GAAM,IAAM,EAAM,EAAM,KACxH,GAAqB,IAAjB6O,EACT,OAAO,IAAI7O,WAAW,CAAC,EAAM,IAAM,EAAM,IAAM,GAAM,IAAM,EAAM,GAAM,GAAM,EAAM,IAAM,EAAM,IAAM,GAAM,EAAM,IAAM,EAAM,GAAM,IAAM,EAAM,KAC1I,GAAqB,IAAjB6O,EACT,OAAO,IAAI7O,WAAW,CAAC,EAAM,IAAM,EAAM,IAAM,GAAM,IAAM,EAAM,GAAM,GAAM,EAAM,IAAM,EAAM,IAAM,GAAM,EAAM,IAAM,EAAM,GAAM,IAAM,EAAM,EAAM,IAAM,EAAM,GAAM,EAAM,MAG/K,MAEF,QACE,GAAqB,IAAjB6O,EAEF,OAAO,IAAI7O,WAAW,CAAC,EAAK,GAAM,GAAM,IAAM,IAAM,GAAM,IAAM,IAAM,IAAM,EAAK,EAAK,EAAK,EAAK,GAAM,EAAK,IAAM,IAAM,GAAK,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,KACvW,GAAqB,IAAjB6O,EAET,OAAO,IAAI7O,WAAW,CAAC,EAAK,GAAM,GAAM,IAAM,IAAM,GAAM,IAAM,IAAM,IAAM,EAAK,EAAK,EAAK,EAAK,EAAK,IAAM,EAAK,EAAK,IAAM,IAAM,GAAK,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,KACrW,GAAqB,IAAjB6O,EAET,OAAO,IAAI7O,WAAW,CAAC,EAAK,GAAM,GAAM,IAAM,IAAM,GAAM,IAAM,IAAM,IAAM,EAAK,EAAK,EAAK,EAAK,EAAK,IAAM,EAAK,EAAK,IAAM,IAAM,GAAK,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,KAI9W,OAAO,M,KCjCLif,EAAa9e,KAAK+e,IAAI,EAAG,IAAM,EAwoBtBC,E,kCAroBNC,KAAP,WAwCE,IAAIrgB,EACJ,IAAKA,KAxCLogB,EAAIE,MAAQ,CACVC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACN,OAAQ,GACRC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,IAIErC,EAAIE,MACRF,EAAIE,MAAM9mB,eAAewG,KAC3BogB,EAAIE,MAAMtgB,GAAK,CACbA,EAAE0iB,WAAW,GACb1iB,EAAE0iB,WAAW,GACb1iB,EAAE0iB,WAAW,GACb1iB,EAAE0iB,WAAW,KAKnB,IAAIC,EAAY,IAAI1hB,WAAW,CAC7B,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAClB,IAAM,IAAM,IAAM,IAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,GAAM,IAAM,IAAM,IAClB,IAAM,GAAM,GAAM,IAClB,IAAM,IAAM,IAAM,IAAM,IAGtB2hB,EAAY,IAAI3hB,WAAW,CAC7B,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAClB,IAAM,IAAM,IAAM,IAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,GAAM,IAAM,IAAM,IAClB,IAAM,GAAM,GAAM,IAClB,IAAM,IAAM,IAAM,IAAM,IAG1Bmf,EAAIyC,WAAa,CACf,MAASF,EACT,MAASC,GAGX,IAAIjC,EAAO,IAAI1f,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,GAClB,IAAM,IAAM,IAAM,GAClB,EACA,EAAM,EAAM,IAGV2gB,EAAO,IAAI3gB,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,IAGpBmf,EAAI0C,KAAO1C,EAAI2C,KAAO3C,EAAI4C,KAAOpB,EAEjCxB,EAAI6C,KAAO,IAAIhiB,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,IAEpBmf,EAAI8C,KAAO,IAAIjiB,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EACN,EAAM,EACN,EAAM,EACN,EAAM,IAERmf,EAAI+C,KAAO,IAAIliB,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EACN,EAAM,IAGRmf,EAAIgD,KAAO,IAAIniB,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,IAEpB,IAAIoiB,EAAa,IAAIpiB,WAAW,CAAC,IAAK,IAAK,IAAK,MAC5CqiB,EAAY,IAAIriB,WAAW,CAAC,GAAI,IAAK,GAAI,KACzCsiB,EAAe,IAAItiB,WAAW,CAAC,EAAG,EAAG,EAAG,IAE5Cmf,EAAIoD,KAAOpD,EAAIqD,IAAIrD,EAAIE,MAAMO,KAAMwC,EAAYE,EAAcF,EAAYC,GACzElD,EAAIsD,KAAOtD,EAAIqD,IAAIrD,EAAIE,MAAMI,KAAMN,EAAIqD,IAAIrD,EAAIE,MAAMK,KAAMA,K,EAGtD8C,IAAP,SAAYnpB,GAQV,IAPA,IAKEgR,EAJAqY,EAAUhW,MAAMpU,UAAU0Q,MAAMxQ,KAAK0U,UAAW,GAChDvO,EAAO,EACPI,EAAI2jB,EAAQrkB,OACZoD,EAAM1C,EAGDA,KACLJ,GAAQ+jB,EAAQ3jB,GAAGgB,WAUrB,KAPAsK,EAAS,IAAIrK,WAAWrB,IACjB,GAAMA,GAAQ,GAAM,IAC3B0L,EAAO,GAAM1L,GAAQ,GAAM,IAC3B0L,EAAO,GAAM1L,GAAQ,EAAK,IAC1B0L,EAAO,GAAY,IAAP1L,EACZ0L,EAAOyI,IAAIzZ,EAAM,GAEZ0F,EAAI,EAAGJ,EAAO,EAAGI,EAAI0C,EAAK1C,IAE7BsL,EAAOyI,IAAI4P,EAAQ3jB,GAAIJ,GACvBA,GAAQ+jB,EAAQ3jB,GAAGgB,WAErB,OAAOsK,G,EAGFwV,KAAP,SAAaxmB,GACX,OAAO8lB,EAAIqD,IAAIrD,EAAIE,MAAMQ,KAAMV,EAAIyC,WAAWvoB,K,EAGzCymB,KAAP,SAAa3hB,GACX,OAAOghB,EAAIqD,IAAIrD,EAAIE,MAAMS,KAAM3hB,I,EAG1B4hB,KAAP,SAAa4C,EAAWvS,GACtBA,GAAYuS,EACZ,IAAMC,EAAoBziB,KAAKoW,MAAMnG,GAAY6O,EAAa,IACxD4D,EAAoB1iB,KAAKoW,MAAMnG,GAAY6O,EAAa,IAC9D,OAAOE,EAAIqD,IAAIrD,EAAIE,MAAMU,KAAM,IAAI/f,WAAW,CAC5C,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAC1C,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EACzC2iB,GAAa,GAAM,IACnBA,GAAa,GAAM,IACnBA,GAAa,EAAK,IACP,IAAZA,EACCC,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACCC,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACA,GAAM,IACN,EAAM,M,EAIH7C,KAAP,SAAahS,GACX,OAAOmR,EAAIqD,IAAIrD,EAAIE,MAAMW,KAAMb,EAAIY,KAAK/R,EAAM2U,UAAW3U,EAAMoC,UAAW+O,EAAIU,KAAK7R,EAAM3U,MAAO8lB,EAAIe,KAAKlS,K,EAGpGiS,KAAP,SAAazP,GACX,OAAO2O,EAAIqD,IAAIrD,EAAIE,MAAMY,KAAM,IAAIjgB,WAAW,CAC5C,EACA,EAAM,EAAM,EACXwQ,GAAkB,GAClBA,GAAkB,GAAM,IACxBA,GAAkB,EAAK,IACP,IAAjBA,M,EAIG0P,KAAP,SAAalS,GACX,MAAmB,UAAfA,EAAM3U,KACD8lB,EAAIqD,IAAIrD,EAAIE,MAAMa,KAAMf,EAAIqD,IAAIrD,EAAIE,MAAMmC,KAAMrC,EAAI+C,MAAO/C,EAAIsD,KAAMtD,EAAIuB,KAAK1S,IAE9EmR,EAAIqD,IAAIrD,EAAIE,MAAMa,KAAMf,EAAIqD,IAAIrD,EAAIE,MAAMkC,KAAMpC,EAAI8C,MAAO9C,EAAIsD,KAAMtD,EAAIuB,KAAK1S,K,EAIlFmS,KAAP,SAAa2C,EAAIC,EAAqB/U,GACpC,OAAOmR,EAAIqD,IAAIrD,EAAIE,MAAMc,KAAMhB,EAAIc,KAAK6C,GAAK3D,EAAI+B,KAAKlT,EAAO+U,K,EAKxD3C,KAAP,SAAa4C,GAKX,IAJA,IACEjkB,EAAIikB,EAAO3kB,OACX4kB,EAAQ,GAEHlkB,KACLkkB,EAAMlkB,GAAKogB,EAAIgC,KAAK6B,EAAOjkB,IAG7B,OAAOogB,EAAIqD,IAAI3oB,MAAM,KAAM,CAACslB,EAAIE,MAAMe,KAAMjB,EAAIoB,KAAKyC,EAAO,GAAGL,UAAWK,EAAO,GAAG5S,WAAW/D,OAAO4W,GAAO5W,OAAO8S,EAAImB,KAAK0C,M,EAGxH1C,KAAP,SAAa0C,GAKX,IAJA,IACEjkB,EAAIikB,EAAO3kB,OACX4kB,EAAQ,GAEHlkB,KACLkkB,EAAMlkB,GAAKogB,EAAIkC,KAAK2B,EAAOjkB,IAG7B,OAAOogB,EAAIqD,IAAI3oB,MAAM,KAAM,CAACslB,EAAIE,MAAMiB,MAAMjU,OAAO4W,K,EAG9C1C,KAAP,SAAaoC,EAAWvS,GACtBA,GAAYuS,EACZ,IAAMC,EAAoBziB,KAAKoW,MAAMnG,GAAY6O,EAAa,IACxD4D,EAAoB1iB,KAAKoW,MAAMnG,GAAY6O,EAAa,IAE5D/B,EAAQ,IAAIld,WAAW,CACrB,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAC1C,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EACzC2iB,GAAa,GAAM,IACnBA,GAAa,GAAM,IACnBA,GAAa,EAAK,IACP,IAAZA,EACCC,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACCC,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACA,EAAM,EAAM,EAAM,EAClB,EAAM,EACN,EAAM,EACN,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,GAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,IAAM,IAAM,IAAM,MAEtB,OAAO1D,EAAIqD,IAAIrD,EAAIE,MAAMkB,KAAMrD,I,EAG1BuD,KAAP,SAAazS,GACX,IAGEkV,EACAnkB,EAHA8Q,EAAU7B,EAAM6B,SAAW,GAC3BqN,EAAQ,IAAIld,WAAW,EAAI6P,EAAQxR,QAKrC,IAAKU,EAAI,EAAGA,EAAI8Q,EAAQxR,OAAQU,IAC9BmkB,EAAQrT,EAAQ9Q,GAAGmkB,MACnBhG,EAAMne,EAAI,GAAMmkB,EAAMC,WAAa,EAChCD,EAAME,cAAgB,EACtBF,EAAMG,cAGX,OAAOlE,EAAIqD,IAAIrD,EAAIE,MAAMoB,KAAMvD,I,EAG1BwD,KAAP,SAAa1S,GACX,OAAOmR,EAAIqD,IAAIrD,EAAIE,MAAMqB,KAAMvB,EAAI0B,KAAK7S,GAAQmR,EAAIqD,IAAIrD,EAAIE,MAAM0B,KAAM5B,EAAI0C,MAAO1C,EAAIqD,IAAIrD,EAAIE,MAAMuB,KAAMzB,EAAI2C,MAAO3C,EAAIqD,IAAIrD,EAAIE,MAAMyB,KAAM3B,EAAI6C,MAAO7C,EAAIqD,IAAIrD,EAAIE,MAAMsB,KAAMxB,EAAI4C,Q,EAGhLzC,KAAP,SAAatR,GACX,IAAwBjP,EAAGZ,EAAMsD,EAA7Bya,EAAM,GAAI0B,EAAM,GAGpB,IAAK7e,EAAI,EAAGA,EAAIiP,EAAMkO,IAAI7d,OAAQU,IAEhC0C,GADAtD,EAAO6P,EAAMkO,IAAInd,IACNgB,WACXmc,EAAIxc,KAAM+B,IAAQ,EAAK,KACvBya,EAAIxc,KAAY,IAAN+B,GAGVya,EAAMA,EAAI7P,OAAOK,MAAMpU,UAAU0Q,MAAMxQ,KAAK2F,IAI9C,IAAKY,EAAI,EAAGA,EAAIiP,EAAM4P,IAAIvf,OAAQU,IAEhC0C,GADAtD,EAAO6P,EAAM4P,IAAI7e,IACNgB,WACX6d,EAAIle,KAAM+B,IAAQ,EAAK,KACvBmc,EAAIle,KAAY,IAAN+B,GAEVmc,EAAMA,EAAIvR,OAAOK,MAAMpU,UAAU0Q,MAAMxQ,KAAK2F,IAG9C,IAAImlB,EAAOnE,EAAIqD,IAAIrD,EAAIE,MAAME,KAAM,IAAIvf,WAAW,CAC9C,EACAkc,EAAI,GACJA,EAAI,GACJA,EAAI,GACJ,IACA,IAAOlO,EAAMkO,IAAI7d,QACjBgO,OAAO6P,GAAK7P,OAAO,CACnB2B,EAAM4P,IAAIvf,SACTgO,OAAOuR,KACV3I,EAAQjH,EAAMiH,MACdE,EAASnH,EAAMmH,OACfoO,EAAWvV,EAAMgH,WAAW,GAC5BwO,EAAWxV,EAAMgH,WAAW,GAE9B,OAAOmK,EAAIqD,IAAIrD,EAAIE,MAAMC,KAAM,IAAItf,WAAW,CAC5C,EAAM,EAAM,EACZ,EAAM,EAAM,EACZ,EAAM,EACN,EAAM,EACN,EAAM,EACN,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EACjBiV,GAAS,EAAK,IACP,IAARA,EACCE,GAAU,EAAK,IACP,IAATA,EACA,EAAM,GAAM,EAAM,EAClB,EAAM,GAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EACN,GACA,IAAM,GAAM,IAAM,IAClB,IAAM,IAAM,IAAM,IAClB,IAAM,IAAM,IAAM,GAClB,IAAM,IAAM,IAAM,GAClB,IAAM,IAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EACZ,EAAM,GACN,GAAM,KACRmO,EACAnE,EAAIqD,IAAIrD,EAAIE,MAAMG,KAAM,IAAIxf,WAAW,CACrC,EAAM,GAAM,IAAM,IAClB,EAAM,GAAM,IAAM,IAClB,EAAM,GAAM,IAAM,OACpBmf,EAAIqD,IAAIrD,EAAIE,MAAMmB,KAAM,IAAIxgB,WAAW,CACpCujB,GAAY,GACZA,GAAY,GAAM,IAClBA,GAAY,EAAK,IACP,IAAXA,EACCC,GAAY,GACZA,GAAY,GAAM,IAClBA,GAAY,EAAK,IACP,IAAXA,O,EAIG7D,KAAP,SAAa3R,GACX,IAAIyV,EAAYzV,EAAM3E,OAAOhL,OAC7B,OAAO,IAAI2B,WAAW,CACpB,EACA,EAAM,EAAM,EAEZ,EACA,GAAOyjB,EACP,EAAM,EACN,EAEA,EACA,GAAOA,EACP,GACA,GACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAElB,GACApX,OAAO,CAACoX,IAAYpX,OAAO2B,EAAM3E,QAAQgD,OAAO,CAAC,EAAM,EAAM,M,EAG1DgU,KAAP,SAAarS,GACX,IAAIE,EAAaF,EAAME,WACvB,OAAOiR,EAAIqD,IAAIrD,EAAIE,MAAMgB,KAAM,IAAIrgB,WAAW,CAC5C,EAAM,EAAM,EACZ,EAAM,EAAM,EACZ,EAAM,EACN,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAMgO,EAAMa,aACZ,EAAM,GACN,EAAM,EAAM,EAAM,EACjBX,GAAc,EAAK,IACP,IAAbA,EACA,EAAM,IACRiR,EAAIqD,IAAIrD,EAAIE,MAAMM,KAAMR,EAAIQ,KAAK3R,M,EAG5BuM,IAAP,SAAYvM,GACV,IAAIE,EAAaF,EAAME,WACvB,OAAOiR,EAAIqD,IAAIrD,EAAIE,MAAM,QAAS,IAAIrf,WAAW,CAC/C,EAAM,EAAM,EACZ,EAAM,EAAM,EACZ,EAAM,EACN,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAMgO,EAAMa,aACZ,EAAM,GACN,EAAM,EAAM,EAAM,EACjBX,GAAc,EAAK,IACP,IAAbA,EACA,EAAM,M,EAGH2S,KAAP,SAAa7S,GACX,MAAmB,UAAfA,EAAM3U,KACH2U,EAAMyC,OAAyB,QAAhBzC,EAAMc,MAInBqQ,EAAIqD,IAAIrD,EAAIE,MAAMwB,KAAM1B,EAAIgD,KAAMhD,EAAIkB,KAAKrS,IAHzCmR,EAAIqD,IAAIrD,EAAIE,MAAMwB,KAAM1B,EAAIgD,KAAMhD,EAAI5E,IAAIvM,IAK5CmR,EAAIqD,IAAIrD,EAAIE,MAAMwB,KAAM1B,EAAIgD,KAAMhD,EAAIG,KAAKtR,K,EAI/CsT,KAAP,SAAatT,GACX,IAAIuC,EAAKvC,EAAMuC,GACbH,EAAWpC,EAAMoC,SAAWpC,EAAM2U,UAClC1N,EAAQjH,EAAMiH,MACdE,EAASnH,EAAMmH,OACfyN,EAAoBziB,KAAKoW,MAAMnG,GAAY6O,EAAa,IACxD4D,EAAoB1iB,KAAKoW,MAAMnG,GAAY6O,EAAa,IAC1D,OAAOE,EAAIqD,IAAIrD,EAAIE,MAAMiC,KAAM,IAAIthB,WAAW,CAC5C,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAC1C,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EACzCuQ,GAAM,GAAM,IACZA,GAAM,GAAM,IACZA,GAAM,EAAK,IACP,IAALA,EACA,EAAM,EAAM,EAAM,EACjBqS,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACCC,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACA,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EACN,EAAM,EACN,EAAM,EACN,EAAM,EACN,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,GAAM,EAAM,EAAM,EACjB5N,GAAS,EAAK,IACP,IAARA,EACA,EAAM,EACLE,GAAU,EAAK,IACP,IAATA,EACA,EAAM,M,EAIH+L,KAAP,SAAalT,EAAO+U,GAClB,IAAIW,EAAwBvE,EAAIsB,KAAKzS,GACnCuC,EAAKvC,EAAMuC,GACXoT,EAA+BxjB,KAAKoW,MAAMwM,GAAuB9D,EAAa,IAC9E2E,EAA+BzjB,KAAKoW,MAAMwM,GAAuB9D,EAAa,IAChF,OAAOE,EAAIqD,IAAIrD,EAAIE,MAAM6B,KACvB/B,EAAIqD,IAAIrD,EAAIE,MAAM4B,KAAM,IAAIjhB,WAAW,CACrC,EACA,EAAM,EAAM,EACXuQ,GAAM,GACNA,GAAM,GAAM,IACZA,GAAM,EAAK,IACN,IAALA,KAEH4O,EAAIqD,IAAIrD,EAAIE,MAAM2B,KAAM,IAAIhhB,WAAW,CACrC,EACA,EAAM,EAAM,EACX2jB,GAAgC,GAChCA,GAAgC,GAAM,IACtCA,GAAgC,EAAK,IACN,IAA/BA,EACAC,GAAgC,GAChCA,GAAgC,GAAM,IACtCA,GAAgC,EAAK,IACN,IAA/BA,KAEHzE,EAAIiC,KAAKpT,EACP0V,EAAsBrlB,OACV,GACA,GACA,EACA,GACA,EACA,GACdqlB,I,EAQGvC,KAAP,SAAanT,GAEX,OADAA,EAAMoC,SAAWpC,EAAMoC,UAAY,WAC5B+O,EAAIqD,IAAIrD,EAAIE,MAAM8B,KAAMhC,EAAImC,KAAKtT,GAAQmR,EAAIa,KAAKhS,K,EAGpDqT,KAAP,SAAarT,GACX,IAAIuC,EAAKvC,EAAMuC,GACf,OAAO4O,EAAIqD,IAAIrD,EAAIE,MAAMgC,KAAM,IAAIrhB,WAAW,CAC5C,EACA,EAAM,EAAM,EACXuQ,GAAM,GACNA,GAAM,GAAM,IACZA,GAAM,EAAK,IACN,IAALA,EACD,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,M,EAIf6Q,KAAP,SAAapT,EAAO5P,GAClB,IAIEW,EAAG+Q,EAAQM,EAAUzR,EAAMukB,EAAOW,EAJhChU,EAAU7B,EAAM6B,SAAW,GAC7BpO,EAAMoO,EAAQxR,OACdylB,EAAW,GAAM,GAAKriB,EACtBZ,EAAQ,IAAIb,WAAW8jB,GAezB,IAbA1lB,GAAU,EAAI0lB,EACdjjB,EAAMiS,IAAI,CACR,EACA,EAAM,GAAM,EACXrR,IAAQ,GAAM,IACdA,IAAQ,GAAM,IACdA,IAAQ,EAAK,IACR,IAANA,EACCrD,IAAW,GAAM,IACjBA,IAAW,GAAM,IACjBA,IAAW,EAAK,IACR,IAATA,GACC,GACEW,EAAI,EAAGA,EAAI0C,EAAK1C,IAEnBqR,GADAN,EAASD,EAAQ9Q,IACCqR,SAClBzR,EAAOmR,EAAOnR,KACdukB,EAAQpT,EAAOoT,MACfW,EAAM/T,EAAO+T,IACbhjB,EAAMiS,IAAI,CACP1C,IAAa,GAAM,IACnBA,IAAa,GAAM,IACnBA,IAAa,EAAK,IACR,IAAXA,EACCzR,IAAS,GAAM,IACfA,IAAS,GAAM,IACfA,IAAS,EAAK,IACR,IAAPA,EACCukB,EAAMa,WAAa,EAAKb,EAAMC,UAC9BD,EAAME,cAAgB,EACpBF,EAAMG,eAAiB,EACvBH,EAAMc,cAAgB,EACvBd,EAAMe,UACW,MAAnBf,EAAMgB,WACa,GAAnBhB,EAAMgB,WACLL,IAAQ,GAAM,IACdA,IAAQ,GAAM,IACdA,IAAQ,EAAK,IACR,IAANA,GACC,GAAK,GAAK9kB,GAEf,OAAOogB,EAAIqD,IAAIrD,EAAIE,MAAM+B,KAAMvgB,I,EAG1BqP,YAAP,SAAoB8S,GACb7D,EAAIE,OACPF,EAAIC,OAGN,IAA8B/U,EAA1B8Z,EAAQhF,EAAIiB,KAAK4C,GAIrB,OAHA3Y,EAAS,IAAIrK,WAAWmf,EAAIoD,KAAKxiB,WAAaokB,EAAMpkB,aAC7C+S,IAAIqM,EAAIoD,MACflY,EAAOyI,IAAIqR,EAAOhF,EAAIoD,KAAKxiB,YACpBsK,G,KCloBJ,SAAS+Z,EAAqBlsB,EAAOmsB,EAAmBC,EAAqBlkB,QAAgC,IAArDkkB,MAAkB,QAAmC,IAAhClkB,OAAiB,GACnG,IAAMiK,EAASnS,EAAQmsB,EAAYC,EACnC,OAAOlkB,EAAQD,KAAKC,MAAMiK,GAAUA,EAG/B,SAASka,EAAqBrsB,EAAekI,GAClD,YADkF,IAAhCA,OAAiB,GAC5DgkB,EAAoBlsB,EAAO,IAAM,EAZZ,IAYuCkI,GAG9D,SAASokB,EAA4BtsB,EAAeusB,GACzD,YADuF,IAA9BA,MAAmB,GACrEL,EAAoBlsB,EAhBC,IAgB6B,EAAIusB,GCF/D,ICSIC,EDTEC,EAAkCH,EAA2B,IAC7DI,EAAgCJ,EAA2B,IAkxBlDK,E,WA/wBb,WAAazb,EAAUC,EAAQiO,EAAewN,GAC5ChtB,KAAKsR,SAAWA,EAChBtR,KAAKuR,OAASA,EACdvR,KAAKwf,cAAgBA,EACrB,IAAM/I,EAAYC,UAAUD,UAC5BzW,KAAKitB,SAAWD,GAAUA,EAAO3jB,QAAQ,UAAY,GAAKoN,IAAcA,EAAUyW,MAAM,SACxFltB,KAAKmtB,aAAc,E,2BAGrBhc,QAAA,a,EAGA0H,eAAA,SAAgBuU,GACdptB,KAAK+iB,SAAW/iB,KAAKgjB,SAAWoK,G,EAGlCjV,iBAAA,WACEnY,KAAKmtB,aAAc,G,EAGrB/T,MAAA,SAAO4H,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,GAM1E,GAJKlZ,KAAKmtB,aACRntB,KAAKqtB,WAAWrM,EAAY4B,EAAY5J,GAGtChZ,KAAKmtB,YAAa,CACpB,IAAMG,EAAiBtM,EAAWjJ,QAAQxR,OACpCgnB,EAAiB3K,EAAW7K,QAAQxR,OACtCinB,EAAkBxU,EAClByU,EAAkBzU,EACtB,GAAIsU,GAAkBC,EAAgB,CAKpC,IAAIG,GAAsB1M,EAAWjJ,QAAQ,GAAGV,IAAMuL,EAAW7K,QAAQ,GAAGV,KAAOuL,EAAWhK,eAC9F4U,GAAmBnlB,KAAKslB,IAAI,EAAGD,GAC/BD,GAAmBplB,KAAKslB,IAAI,GAAID,GAKlC,GAAIJ,EAAgB,CAEbtM,EAAW6J,YACdvoB,IAAOpB,KAAK,4CACZlB,KAAKqtB,WAAWrM,EAAY4B,EAAY5J,IAE1C,IAGM4U,EAHFpM,EAAYxhB,KAAK6tB,WAAW7M,EAAYwM,EAAiBvU,EAAYC,GAEzE,GAAIqU,EAEE/L,IACFoM,EAAmBpM,EAAUsM,OAAStM,EAAUuM,UAI7CnL,EAAWiI,YACdvoB,IAAOpB,KAAK,4CACZlB,KAAKqtB,WAAWrM,EAAY4B,EAAY5J,IAE1ChZ,KAAKguB,WAAWpL,EAAY6K,EAAiBxU,EAAY2U,EAAkB1U,QAI7E,GAAIqU,EAAgB,CAClB,IAAIU,EAAYjuB,KAAKguB,WAAWpL,EAAY6K,EAAiBxU,EAAY,EAAGC,GACxE+U,GAAajN,EAAWhK,OAC1BhX,KAAKkuB,gBAAgBlN,EAAYwM,EAAiBvU,EAAYgV,IAMlEhN,EAASlJ,QAAQxR,QACnBvG,KAAKmuB,SAASlN,EAAUjI,GAItB6J,EAAU9K,QAAQxR,QACpBvG,KAAKouB,UAAUvL,EAAW7J,GAI5BhZ,KAAKsR,SAASmB,QAAQC,IAAMxN,c,EAG9BmoB,WAAA,SAAYrM,EAAY4B,EAAY5J,GAClC,IAQEqV,EAASC,EARPhd,EAAWtR,KAAKsR,SAClBid,EAAevN,EAAWjJ,QAC1ByW,EAAe5L,EAAW7K,QAC1ByH,EAAgBxf,KAAKwf,cACrBhH,EAAY,YACZ0S,EAAS,GACT7kB,EAAO,CAAE6kB,OAAQA,GACjBuD,OAAmCrd,IAAlBpR,KAAK+iB,SAoCxB,GAjCI0L,IACFJ,EAAUC,EAAUI,KAGlB1N,EAAWzP,QAAUgd,EAAahoB,SAKpCya,EAAW6J,UAAY7J,EAAW5K,WAClC9T,IAAOrB,IAAP,yBAAoC+f,EAAW5K,YAC1C4K,EAAWrI,QACV6G,EAAcgD,MAChBhK,EAAY,aACZwI,EAAWhK,MAAQ,IACVwI,EAAciD,MACvBzB,EAAWhK,MAAQ,QAGvBkU,EAAO7L,MAAQ,CACb7G,UAAWA,EACXxB,MAAOgK,EAAWhK,MAClBoB,aAAc4I,EAAWrI,OAAS6G,EAAcgD,KAAO,IAAIta,WAAemf,EAAIjP,YAAY,CAAC4I,IAC3F2N,SAAU,CACR5X,aAAciK,EAAWjK,eAGzB0X,IAEFJ,EAAUC,EAAUC,EAAa,GAAGlX,IAAM2J,EAAWpI,eAAiBI,IAItE4J,EAAWwB,KAAOxB,EAAWkD,KAAO0I,EAAajoB,OAAQ,CAG3D,IAAMqS,EAAiBgK,EAAWhK,eAClCgK,EAAWiI,UAAYjS,EACvBsS,EAAO9L,MAAQ,CACb5G,UAAW,YACXxB,MAAO4L,EAAW5L,MAClBoB,YAAaiP,EAAIjP,YAAY,CAACwK,IAC9B+L,SAAU,CACRxR,MAAOyF,EAAWzF,MAClBE,OAAQuF,EAAWvF,SAGnBoR,IACFJ,EAAUhmB,KAAK0S,IAAIsT,EAASG,EAAa,GAAGnX,IAAMuB,EAAiBI,GACnEsV,EAAUjmB,KAAK0S,IAAIuT,EAASE,EAAa,GAAG1W,IAAMc,EAAiBI,GACnEhZ,KAAKsR,SAASmB,QAAQC,IAAMlO,eAAgB,CAAE6pB,QAASA,KAIvD9tB,OAAOquB,KAAK1D,GAAQ3kB,QACtB+K,EAASmB,QAAQC,IAAM5N,0BAA2BuB,GAClDrG,KAAKmtB,aAAc,EACfsB,IACFzuB,KAAK+iB,SAAWsL,EAChBruB,KAAKgjB,SAAWsL,IAGlBhd,EAASmB,QAAQC,IAAMnN,MAAO,CAAEhE,KAAMsE,IAAW8M,YAAaC,QAAS9M,IAAamR,mBAAoBnE,OAAO,EAAOC,OAAQ,kC,EAIlIib,WAAA,SAAY9X,EAAO8C,EAAYC,EAAY2U,EAAkB1U,GAC3D,IACI2V,EACA7G,EACAK,EACAyG,EACAC,EACAC,EACAC,EAPA3oB,EAAS,EAQP4oB,EAAYhZ,EAAM2U,UAClBsE,EAAejZ,EAAM6B,QACrBqX,EAAgB,GAChBpL,EAAYmL,EAAa5oB,OACzB8oB,EAAervB,KAAKsvB,cACpBjB,EAAUruB,KAAK+iB,SAGjBwM,EAAavvB,KAAKuvB,WAEhBtC,EAAWjtB,KAAKitB,SAEtB,GAAkB,IAAdjJ,EAAJ,CAKIiJ,IAMFhU,GAAekW,EAAa5oB,QAAUgpB,IACrBrW,GAAsB7Q,KAAK0e,IAAI/N,EAAauW,EAAaL,GAAa,IACvE7mB,KAAK0e,IAAKoI,EAAa,GAAG9X,IAAMkY,EAAalB,GAAYa,EAAY,IAIlFjW,IAEHsW,EAAavW,EAAakW,GAK5BC,EAAahtB,SAAQ,SAAU6V,GAC7BA,EAAOX,IAAMgY,EAAarX,EAAOX,IAAMgX,EAASkB,GAChDvX,EAAOF,IAAMuX,EAAarX,EAAOF,IAAMuW,EAASkB,MAIlDJ,EAAaK,MAAK,SAAUC,EAAG1K,GAC7B,IAAM2K,EAAWD,EAAE3X,IAAMiN,EAAEjN,IACrB6X,EAAWF,EAAEpY,IAAM0N,EAAE1N,IAC3B,OAAOqY,GAAaC,GAAaF,EAAEhX,GAAKsM,EAAEtM,MAI5C,IAAImX,EAAcT,EAAaU,QAAO,SAAC9gB,EAAM+gB,GAAP,OAAgBznB,KAAKslB,IAAItlB,KAAK0S,IAAIhM,EAAM+gB,EAAKzY,IAAMyY,EAAKhY,MAAO,EAAIgV,KAAgC,GACzI,GAAI8C,EAAc,EAAG,CACnBttB,IAAOpB,KAAP,wDAAoEurB,EAAoBmD,GAAa,GAArG,8BACA,IAAK,IAAI3oB,EAAI,EAAGA,EAAIkoB,EAAa5oB,OAAQU,IACvCkoB,EAAaloB,GAAG6Q,KAAO8X,EAK3B,IAAI5X,EAASmX,EAAa,GAC1BJ,EAAW1mB,KAAKslB,IAAI3V,EAAOF,IAAK,GAChCgX,EAAWzmB,KAAKslB,IAAI3V,EAAOX,IAAK,GAGhC,IAAI0Y,EAAQhB,EAAWQ,EAEnBtW,GACE8W,IACEA,EAAQ,EACVztB,IAAOrB,IAAP,QAAmBwrB,EAAoBsD,GAAO,GAA9C,kDACSA,GAAS,GAClBztB,IAAOrB,IAAP,QAAmBwrB,GAAqBsD,GAAO,GAA/C,8CAIFhB,EAAWQ,EACXJ,EAAa,GAAGrX,IAAMiX,EAEtBD,EAAWzmB,KAAKslB,IAAImB,EAAWiB,EAAOR,GACtCJ,EAAa,GAAG9X,IAAMyX,EACtBxsB,IAAOrB,IAAP,4BAAuCwrB,EAAoBqC,GAAU,GAArE,IAA8ErC,EAAoBsC,GAAU,GAA5G,YAA6HtC,EAAoBsD,GAAO,GAAxJ,QAKJ/X,EAASmX,EAAaA,EAAa5oB,OAAS,GAC5C0oB,EAAU5mB,KAAKslB,IAAI3V,EAAOF,IAAK,GAC/BkX,EAAU3mB,KAAKslB,IAAI3V,EAAOX,IAAK,EAAG4X,GAK9BhC,IACF4B,EAAoBxmB,KAAKC,OAAO2mB,EAAUF,IAAaI,EAAa5oB,OAAS,KAI/E,IADA,IAAIypB,EAAS,EAAGC,EAAU,EACjBhpB,EAAI,EAAGA,EAAI+c,EAAW/c,IAAK,CAGlC,IADA,IAAI+Q,EAASmX,EAAaloB,GAAIiY,EAAQlH,EAAOkH,MAAOgR,EAAUhR,EAAM3Y,OAAQ4pB,EAAY,EAC/E7a,EAAI,EAAGA,EAAI4a,EAAS5a,IAC3B6a,GAAajR,EAAM5J,GAAGjP,KAAKE,OAG7B0pB,GAAWE,EACXH,GAAUE,EACVlY,EAAOzR,OAAS4pB,EAKdnY,EAAOF,IAFLmV,EAEW8B,EAAW9nB,EAAI4nB,EAGfxmB,KAAKslB,IAAI3V,EAAOF,IAAKiX,GAGpC/W,EAAOX,IAAMhP,KAAKslB,IAAI3V,EAAOX,IAAKW,EAAOF,KAK3C,IAAIsY,EAAWH,EAAW,EAAID,EAAU,EACxC,IACEhI,EAAO,IAAI9f,WAAWkoB,GACtB,MAAO/d,GAEP,YADArS,KAAKsR,SAASmB,QAAQC,IAAMnN,MAAO,CAAEhE,KAAMsE,IAAWwqB,UAAWzd,QAAS9M,IAAawqB,kBAAmBxd,OAAO,EAAOsS,MAAOgL,EAAUrd,OAAQ,8BAA8Bqd,IAGjL,IAAI9iB,EAAO,IAAIC,SAASya,EAAKtf,QAC7B4E,EAAKijB,UAAU,EAAGH,GAClBpI,EAAKhN,IAAIqM,EAAIE,MAAMS,KAAM,GAEzB,IAAK,IAAI/gB,EAAI,EAAGA,EAAI+c,EAAW/c,IAAK,CAMlC,IALA,IAAIwZ,EAAY0O,EAAaloB,GAC3BupB,EAAiB/P,EAAUvB,MAC3BuR,EAAkB,EAClBC,OAAqB,EAEdpb,EAAI,EAAG4a,EAAUM,EAAejqB,OAAQ+O,EAAI4a,EAAS5a,IAAK,CACjE,IAAIuC,EAAO2Y,EAAelb,GACxBqb,EAAW9Y,EAAKxR,KAChBuqB,EAAc/Y,EAAKxR,KAAK4B,WAC1BqF,EAAKijB,UAAUjqB,EAAQsqB,GACvBtqB,GAAU,EACV0hB,EAAKhN,IAAI2V,EAAUrqB,GACnBA,GAAUsqB,EACVH,GAAmB,EAAIG,EAGzB,GAAK3D,EAkCHyD,EAAwBroB,KAAKslB,IAAI,EAAGkB,EAAoBxmB,KAAKC,OAAOmY,EAAUpJ,IAAMoJ,EAAU3I,KAAO+W,QAlCxF,CAEb,GAAI5nB,EAAI+c,EAAY,EAClB6K,EAAoBM,EAAaloB,EAAI,GAAG6Q,IAAM2I,EAAU3I,QACnD,CACL,IAAIvG,EAASvR,KAAKuR,OAChBsf,EAAoBpQ,EAAU3I,IAAMqX,EAAaloB,EAAI,EAAIA,EAAI,EAAIA,GAAG6Q,IACtE,GAAIvG,EAAOuf,uBAAwB,CAMjC,IAAIC,EAAgBxf,EAAOwf,cACzBC,GAAe3oB,KAAKoW,MAAMsS,EAAgB7B,GAC1C+B,IAAmBrD,EAAmBkB,EAAWlB,EAAmBsB,EAAYlvB,KAAKkxB,cAAgBzQ,EAAUpJ,IAC7G4Z,GAAkBD,KAGpBnC,EAAoBoC,GAAkBJ,GACd,IACtBhC,EAAoBgC,GAGtBvuB,IAAOrB,IAAP,uBAAkCwrB,EAAoBwE,IAAiB,GAAvE,2CAAwHxE,EAAoBoC,GAAmB,GAA/J,kCAEAA,EAAoBgC,OAGtBhC,EAAoBgC,EAGxBH,EAAwBroB,KAAKC,MAAMmY,EAAUpJ,IAAMoJ,EAAU3I,KAM/DsX,EAAcxnB,KAAK,CACjBf,KAAM4pB,EAENnY,SAAUuW,EACV9C,IAAK2E,EACLtF,MAAO,CACLa,UAAW,EACXX,aAAc,EACdC,cAAe,EACfa,WAAY,EACZf,UAAW5K,EAAUpgB,IAAM,EAAI,EAC/B8rB,UAAW1L,EAAUpgB,IAAM,EAAI,KAKrCL,KAAKuvB,WAAaN,EAAUJ,EAC5B,IAAI5O,GAAU/J,EAAM+J,QAGpB,GAFA/J,EAAM8Z,OAAS,EACf9Z,EAAM+J,QAAU,EACZmP,EAAc7oB,QAAUmQ,UAAUD,UAAUE,cAActN,QAAQ,WAAa,EAAG,CACpF,IAAI+hB,GAAQgE,EAAc,GAAGhE,MAG7BA,GAAMC,UAAY,EAClBD,GAAMe,UAAY,EAEpBjW,EAAM6B,QAAUqX,EAChB/G,EAAOhB,EAAIgB,KAAKnS,EAAMwC,iBAAkBqW,EAAU7Y,GAClDA,EAAM6B,QAAU,GAEhB,IAAI1R,GAAO,CACT8qB,MAAO9I,EACP+I,MAAOpJ,EACP+F,SAAUe,EAAWI,EACrBpB,QAASkB,EAAUH,GAAqBK,EACxCmC,SAAUtC,EAAWG,EACrBoC,OAAQtxB,KAAKuvB,WAAaL,EAC1B3tB,KAAM,QACNgwB,UAAU,EACVC,UAAU,EACVC,GAAIrC,EAAc7oB,OAClB0Z,QAASA,IAGX,OADAjgB,KAAKsR,SAASmB,QAAQC,IAAMzN,kBAAmBoB,IACxCA,K,EAGTwnB,WAAA,SAAY3X,EAAO8C,EAAYC,EAAYC,GACzC,IASIwY,EACAC,EACA3J,EACAK,EACAyG,EACAE,EAdEpW,EAAiB1C,EAAM0C,eACvBgZ,EAAe1b,EAAM2U,UACrBgH,EAAcjZ,EAAiBgZ,EAE/BE,GADoB5b,EAAMyC,MAAQ,KAAO,MACCkZ,EAC1CxC,EAAervB,KAAKsvB,cACpBjB,EAAUruB,KAAK+iB,SACfgP,GAAW7b,EAAMyC,OAAS3Y,KAAKwf,cAAcgD,KAQ/Clc,EAAUyrB,EAAU,EAAI,EACxB5C,EAAejZ,EAAM6B,QACrBqX,EAAgB,GAChB8B,EAAelxB,KAAKkxB,aA4BxB,GAlBAjY,GAAekW,EAAa5oB,QAAU2qB,IACrBhY,GAAsB7Q,KAAK0e,IAAI/N,EAAakY,EAAetY,GAAkB,IAC9EvQ,KAAK0e,IAAKoI,EAAa,GAAG9X,IAAM6Z,EAAe7C,GAAY,GAAKyD,GAIhF3C,EAAahtB,SAAQ,SAAU6V,GAC7BA,EAAOX,IAAMW,EAAOF,IAAMuX,EAAarX,EAAOX,IAAMgX,EAASrV,EAAaJ,MAWhD,KAL5BuW,EAAeA,EAAa6C,QAAO,SAAUha,GAC3C,OAAOA,EAAOX,KAAO,MAIN9Q,OAAjB,CAoBA,GAhBK0S,IAMDiY,EALGhY,EAKYF,EAAaJ,EAHbuW,EAAa,GAAG9X,KAa/BnB,EAAMyC,MAER,IADA,IAAMsZ,EAAsBjyB,KAAKuR,OAAO0gB,oBAC/BhrB,EAAI,EAAGirB,EAAUhB,EAAcjqB,EAAIkoB,EAAa5oB,QAAS,CAEhE,IAA8BwpB,EAA1B/X,EAASmX,EAAaloB,GAK1B,IAHA8oB,EADU/X,EAAOX,IACH6a,KAGAD,EAAsBH,EAClCxvB,IAAOpB,KAAP,4BAAwCurB,EAAoByF,GAAS,GAArE,cAAwFzF,EAAoBsD,GAAO,GAAnH,gBACAZ,EAAatL,OAAO5c,EAAG,QAQpB,GAAI8oB,GAASkC,EAAsBH,GAAuB/B,EAAQlD,GAAmCqF,EAAS,CACjH,IAAIC,EAAU9pB,KAAKC,MAAMynB,EAAQ+B,GACjCxvB,IAAOpB,KAAP,aAAyBixB,EAAzB,mBAAmD1F,EAAoByF,GAAS,GAAhF,cAAmGzF,EAAoByF,GAAS,GAAhI,YACA,IAAK,IAAI5c,EAAI,EAAGA,EAAI6c,EAAS7c,IAAK,CAChC,IAAI8c,EAAW/pB,KAAKslB,IAAIuE,EAAS,IACjCP,EAAY1K,EAAIC,eAAehR,EAAMU,eAAiBV,EAAMc,MAAOd,EAAMa,iBAEvEzU,IAAOrB,IAAI,qFACX0wB,EAAY3Z,EAAOH,KAAKjR,YAE1BuoB,EAAatL,OAAO5c,EAAG,EAAG,CAAE4Q,KAAM8Z,EAAWta,IAAK+a,EAAUta,IAAKsa,IACjEF,GAAWJ,EACX7qB,IAIF+Q,EAAOX,IAAMW,EAAOF,IAAMoa,EAC1BA,GAAWJ,EACX7qB,SAGIoB,KAAK0e,IAAIgJ,GAGb/X,EAAOX,IAAMW,EAAOF,IAAMoa,EAC1BA,GAAWJ,EACX7qB,IAQN,IAFA,IAAI+c,EAAYmL,EAAa5oB,OACzB6pB,EAAW,EACRpM,KACLoM,GAAYjB,EAAanL,GAAWnM,KAAK5P,WAG3C,IAAK,IAAIqN,EAAI,EAAG0O,EAAYmL,EAAa5oB,OAAQ+O,EAAI0O,EAAW1O,IAAK,CACnE,IAAI+c,EAAclD,EAAa7Z,GAC3BuC,EAAOwa,EAAYxa,KACnBR,EAAMgb,EAAYhb,IAKtB,QAAgBjG,IAAZ4d,EACF0C,EAAUpZ,SAAWjQ,KAAKC,OAAO+O,EAAM2X,GAAW6C,OAC7C,CACL,IAAI9B,EAAQ1Y,EAAM6Z,EACdoB,EAAmB,EAIvB,GAAIrZ,GAAc/C,EAAMyC,OAElBoX,EAAO,CACT,GAAIA,EAAQ,GAAKA,EAAQlD,EAGvByF,EAAmBjqB,KAAKC,OAAO+O,EAAM6Z,GAAgBY,GAErDxvB,IAAOrB,IAAOwrB,EAAoBsD,GAAO,GAAzC,oDACIuC,EAAmB,KACrBX,EAAY1K,EAAIC,eAAehR,EAAMU,eAAiBV,EAAMc,MAAOd,EAAMa,iBAEvE4a,EAAY9Z,EAAKjR,YAGnBwpB,GAAYkC,EAAmBX,EAAUprB,aAGtC,GAAIwpB,GAAS,GAAI,CAEtBztB,IAAOrB,IAAP,uDAAkEwrB,EAAoByE,GAAc,GAApG,SAAkHzE,EAAoBpV,GAAK,GAA3I,SAAyJoV,GAAqBsD,GAAO,GAArL,OACAK,GAAYvY,EAAK5P,WACjB,SAGFoP,EAAM6Z,EAKV,GADApC,EAAWzX,IACP+Y,EAAW,GAeb,OAdAA,GAAY9pB,EACZ,IACE0hB,EAAO,IAAI9f,WAAWkoB,GACtB,MAAO/d,GAEP,YADArS,KAAKsR,SAASmB,QAAQC,IAAMnN,MAAO,CAAEhE,KAAMsE,IAAWwqB,UAAWzd,QAAS9M,IAAawqB,kBAAmBxd,OAAO,EAAOsS,MAAOgL,EAAUrd,OAAQ,8BAA8Bqd,IAG5K2B,IACU,IAAIxkB,SAASya,EAAKtf,QAC1B6nB,UAAU,EAAGH,GAClBpI,EAAKhN,IAAIqM,EAAIE,MAAMS,KAAM,IAM7B,IAAK,IAAI/gB,EAAI,EAAGA,EAAIqrB,EAAkBrrB,KACpC0qB,EAAY1K,EAAIC,eAAehR,EAAMU,eAAiBV,EAAMc,MAAOd,EAAMa,iBAEvEzU,IAAOrB,IAAI,qFACX0wB,EAAY9Z,EAAKjR,YAEnBohB,EAAKhN,IAAI2W,EAAWrrB,GACpBA,GAAUqrB,EAAU1pB,WACpBypB,EAAY,CACV7qB,KAAM8qB,EAAU1pB,WAChB8jB,IAAK,EACLzT,SAAU,KACV8S,MAAO,CACLa,UAAW,EACXX,aAAc,EACdC,cAAe,EACfa,WAAY,EACZf,UAAW,IAGf+D,EAAcxnB,KAAK8pB,GAGvB1J,EAAKhN,IAAInD,EAAMvR,GACf,IAAIisB,EAAU1a,EAAK5P,WACnB3B,GAAUisB,EAEVb,EAAY,CACV7qB,KAAM0rB,EACNxG,IAAK,EACLzT,SAAU,EACV8S,MAAO,CACLa,UAAW,EACXX,aAAc,EACdC,cAAe,EACfa,WAAY,EACZf,UAAW,IAGf+D,EAAcxnB,KAAK8pB,GACnB1C,EAAU3X,EAEZ,IAAImb,EAAqB,EAOzB,IANAxO,EAAYoL,EAAc7oB,SAET,IACfisB,EAAqBpD,EAAcpL,EAAY,GAAG1L,SAClDoZ,EAAUpZ,SAAWka,GAEnBxO,EAAW,CAEbhkB,KAAKkxB,aAAeA,EAAelC,EAAU6C,EAAcW,EAE3Dtc,EAAM6B,QAAUqX,EAEd/G,EADE0J,EACK,IAAI7pB,WAEJmf,EAAIgB,KAAKnS,EAAMwC,iBAAkBoW,EAAW+C,EAAa3b,GAGlEA,EAAM6B,QAAU,GAChB,IAAM4I,EAAQmO,EAAWlW,EACnBnR,EAAMypB,EAAetY,EACrB4I,EAAY,CAChB2P,MAAO9I,EACP+I,MAAOpJ,EACP+F,SAAUpN,EACVmN,OAAQrmB,EACR4pB,SAAU1Q,EACV2Q,OAAQ7pB,EACRlG,KAAM,QACNgwB,UAAU,EACVC,UAAU,EACVC,GAAIzN,GAGN,OADAhkB,KAAKsR,SAASmB,QAAQC,IAAMzN,kBAAmBuc,GACxCA,EAET,OAAO,O,EAGT0M,gBAAA,SAAiBhY,EAAO8C,EAAYC,EAAYgV,GAC9C,IAAIrV,EAAiB1C,EAAM0C,eAEvBiZ,EAAcjZ,GADC1C,EAAME,WAAaF,EAAME,WAAawC,GAErDsY,EAAelxB,KAAKkxB,aAGpBG,QAA6BjgB,IAAjB8f,EAA6BA,EAAejD,EAAUoD,SAAWzY,GAAkB5Y,KAAKgjB,SACpGsO,EAASrD,EAAUqD,OAAS1Y,EAAiB5Y,KAAKgjB,SAGlDxL,EADiB,KACDqa,EAGhB7N,EAAY3b,KAAK+U,MAAMkU,EAASD,GAAY7Z,GAG5Cib,EAAcxL,EAAIC,eAAehR,EAAMU,eAAiBV,EAAMc,MAAOd,EAAMa,cAI/E,GAFAzU,IAAOpB,KAAK,qBAEPuxB,EAAL,CAMA,IADA,IAAI1a,EAAU,GACL9Q,EAAI,EAAGA,EAAI+c,EAAW/c,IAAK,CAClC,IAAIyQ,EAAQ2Z,EAAWpqB,EAAIuQ,EAC3BO,EAAQnQ,KAAK,CAAEiQ,KAAM4a,EAAapb,IAAKK,EAAOI,IAAKJ,IAErDxB,EAAM6B,QAAUA,EAEhB/X,KAAK6tB,WAAW3X,EAAO8C,EAAYC,QAXjC3W,IAAOvB,MAAM,gG,EAcjBotB,SAAA,SAAUjY,GACR,IAAmC8B,EAA/BzR,EAAS2P,EAAM6B,QAAQxR,OACrBqS,EAAiB1C,EAAM0C,eACvByV,EAAUruB,KAAK+iB,SACfuL,EAAUtuB,KAAKgjB,SAErB,GAAIzc,EAAQ,CACV,IAAK,IAAIoC,EAAQ,EAAGA,EAAQpC,EAAQoC,KAClCqP,EAAS9B,EAAM6B,QAAQpP,IAGhB0O,KAAQW,EAAOX,IAAMgX,GAAWzV,EACvCZ,EAAOF,KAAQE,EAAOF,IAAMwW,GAAW1V,EAEzC5Y,KAAKsR,SAASmB,QAAQC,IAAM1N,sBAAuB,CACjD+S,QAAS7B,EAAM6B,UAInB7B,EAAM6B,QAAU,I,EAGlBqW,UAAA,SAAWlY,GACTA,EAAM6B,QAAQyX,MAAK,SAAUC,EAAG1K,GAC9B,OAAQ0K,EAAEpY,IAAM0N,EAAE1N,OAGpB,IAAmCW,EAA/BzR,EAAS2P,EAAM6B,QAAQxR,OACrBqS,EAAiB1C,EAAM0C,eACvByV,EAAUruB,KAAK+iB,SAErB,GAAIxc,EAAQ,CACV,IAAK,IAAIoC,EAAQ,EAAGA,EAAQpC,EAAQoC,KAClCqP,EAAS9B,EAAM6B,QAAQpP,IAGhB0O,KAAQW,EAAOX,IAAMgX,GAAWzV,EAEzC5Y,KAAKsR,SAASmB,QAAQC,IAAM3N,sBAAuB,CACjDgT,QAAS7B,EAAM6B,UAInB7B,EAAM6B,QAAU,I,EAGlBuX,cAAA,SAAelvB,EAAOsyB,GACpB,IAAIpsB,EACJ,QAAkB8K,IAAdshB,EACF,OAAOtyB,EAaT,IAREkG,EAFEosB,EAAYtyB,GAEJ,WAGD,WAKJiI,KAAK0e,IAAI3mB,EAAQsyB,GAAa,YACnCtyB,GAASkG,EAGX,OAAOlG,G,KEhvBIuyB,E,WAvCb,WAAarhB,GACXtR,KAAKsR,SAAWA,E,2BAGlBH,QAAA,a,EAGA0H,eAAA,a,EAGAV,iBAAA,a,EAGAiB,MAAA,SAAO4H,EAAY4B,EAAY3B,EAAU4B,EAAW7J,EAAYC,EAAYC,EAAoB0Z,GAC9F,IAAIthB,EAAWtR,KAAKsR,SAChBuhB,EAAa,GACb7R,IACF6R,GAAc,SAGZjQ,IACFiQ,GAAc,SAGhBvhB,EAASmB,QAAQC,IAAMzN,kBAAmB,CACxCksB,MAAOyB,EACP7E,SAAU/U,EACVqY,SAAUrY,EACVzX,KAAMsxB,EACNtB,WAAYvQ,EACZwQ,WAAY5O,EACZ6O,GAAI,EACJxR,QAAS,IAGX3O,EAASmB,QAAQC,IAAMxN,c,KDpBrBzD,EAASC,cAIf,IACEkrB,EAAMnrB,EAAOqxB,YAAYlG,IAAItsB,KAAKmB,EAAOqxB,aACzC,MAAOzgB,GACP/P,IAAOtB,MAAM,qDACb4rB,EAAMnrB,EAAOsxB,KAAKnG,I,IAGdoG,E,WACJ,WAAa1hB,EAAUkO,EAAejO,EAAQyb,GAC5ChtB,KAAKsR,SAAWA,EAChBtR,KAAKwf,cAAgBA,EACrBxf,KAAKuR,OAASA,EACdvR,KAAKgtB,OAASA,E,2BAGhB7b,QAAA,WACE,IAAI8hB,EAAUjzB,KAAKizB,QACfA,GACFA,EAAQ9hB,W,EAIZvJ,KAAA,SAAMvB,EAAMmX,EAAapF,EAAajC,EAAYkC,EAAYW,EAAYka,EAAeC,EAAala,EAAYX,EAAUY,EAAoBka,GAAgB,WAC9J,GAAK/sB,EAAK4B,WAAa,GAAsB,MAAfuV,GAA4C,MAAnBA,EAAYnd,KAAwC,YAAvBmd,EAAYmC,OAAuB,CACrH,IAAIjC,EAAY1d,KAAK0d,UACJ,MAAbA,IACFA,EAAY1d,KAAK0d,UAAY,IAAIrM,IAAUrR,KAAKsR,SAAUtR,KAAKuR,SAGjE,IAAM8hB,EAAYzG,IAClBlP,EAAUnR,QAAQlG,EAAMmX,EAAYnd,IAAIqI,OAAQ8U,EAAYnR,GAAG3D,QAAQ,SAAC0V,GACtE,IAAMkV,EAAU1G,IAChB,EAAKtb,SAASmB,QAAQC,IAAM7N,eAAgB,CAAE0uB,MAAO,CAAEC,OAAQH,EAAWI,SAAUH,KACpF,EAAKI,cAAc,IAAIxrB,WAAWkW,GAAgBZ,EAAa,IAAItV,WAAWkQ,GAAcjC,EAAYkC,EAAYW,EAAYka,EAAeC,EAAala,EAAYX,EAAUY,EAAoBka,WAGxMpzB,KAAK0zB,cAAc,IAAIxrB,WAAW7B,GAAOmX,EAAa,IAAItV,WAAWkQ,GAAcjC,EAAYkC,EAAYW,EAAYka,EAAeC,EAAala,EAAYX,EAAUY,EAAoBka,I,EAIjMM,cAAA,SAAertB,EAAMmX,EAAapF,EAAajC,EAAYkC,EAAYW,EAAYka,EAAeC,EAAala,EAAYX,EAAUY,EAAoBka,GACvJ,IAAIH,EAAUjzB,KAAKizB,QACnB,IAAKA,IAIDC,GAAiBC,KAAiBnzB,KAAK8V,MAAMzP,GAAQ,CAavD,IAZA,IAAMiL,EAAWtR,KAAKsR,SAChBkO,EAAgBxf,KAAKwf,cACrBjO,EAASvR,KAAKuR,OAEdoiB,EAAY,CAChB,CAAEC,MAAOrU,EAAWnG,MAAO2T,GAC3B,CAAE6G,MAAOC,IAAYza,MAAOuZ,GAC5B,CAAEiB,MAAO3b,EAAYmB,MAAO2T,GAC5B,CAAE6G,MAAO5M,EAAY5N,MAAO2T,IAIrB9lB,EAAI,EAAG0C,EAAMgqB,EAAUptB,OAAQU,EAAI0C,EAAK1C,IAAK,CACpD,IAAM6sB,EAAMH,EAAU1sB,GAChB6O,EAAQge,EAAIF,MAAM9d,MACxB,GAAIA,EAAMzP,GAAO,CACf,IAAM6R,EAAUlY,KAAKkY,QAAU,IAAI4b,EAAI1a,MAAM9H,EAAUC,EAAQiO,EAAexf,KAAKgtB,QACnFiG,EAAU,IAAIa,EAAIF,MAAMtiB,EAAU4G,EAAS3G,EAAQiO,GACnDxf,KAAK8V,MAAQA,EACb,OAGJ,IAAKmd,EAEH,YADA3hB,EAASmB,QAAQC,IAAMnN,MAAO,CAAEhE,KAAMsE,IAAW8M,YAAaC,QAAS9M,IAAamR,mBAAoBnE,OAAO,EAAMC,OAAQ,yCAG/H/S,KAAKizB,QAAUA,EAEjB,IAAM/a,EAAUlY,KAAKkY,SAEjBgb,GAAiBC,KACnBF,EAAQ9a,iBAAiBC,EAAajC,EAAYkC,EAAYC,GAC9DJ,EAAQC,oBAEN+a,IACFD,EAAQpa,eAAeua,GACvBlb,EAAQW,eAAeua,IAEa,mBAA3BH,EAAQvT,gBACjBuT,EAAQvT,eAAelC,GAGzByV,EAAQla,OAAO1S,EAAM2S,EAAYC,EAAYC,I,KAIlC8Z,O,6BEtHf,kBAMM7L,EAAa9e,KAAK+e,IAAI,EAAG,IAAM,EAE/ByM,E,WACJ,WAAaviB,EAAU4G,GACrBlY,KAAKsR,SAAWA,EAChBtR,KAAKkY,QAAUA,E,2BAGjBW,eAAA,SAAgBwV,GACdruB,KAAKquB,QAAUA,G,EAGjBlW,iBAAA,SAAkBC,EAAajC,EAAYkC,EAAYC,GAErD,GAAIF,GAAeA,EAAYnQ,WAAY,CACzC,IAAM8rB,EAAW/zB,KAAK+zB,SAAWF,EAAWG,iBAAiB5b,GAI3C,MAAdjC,IACFA,EAAa,aAGG,MAAdkC,IACFA,EAAa,eAGf,IAAM6S,EAAS,GACX6I,EAAS1U,OAAS0U,EAAS3U,MAC7B8L,EAAO+I,WAAa,CAAEzb,UAAW,YAAaxB,MAAOb,EAAa,IAAMkC,EAAYD,YAAaE,EAAWF,EAAc,OAEtH2b,EAAS1U,QACX6L,EAAO7L,MAAQ,CAAE7G,UAAW,YAAaxB,MAAOb,EAAYiC,YAAaE,EAAWF,EAAc,OAGhG2b,EAAS3U,QACX8L,EAAO9L,MAAQ,CAAE5G,UAAW,YAAaxB,MAAOqB,EAAYD,YAAaE,EAAWF,EAAc,QAGtGpY,KAAKsR,SAASmB,QAAQC,IAAM5N,0BAA2B,CAAEomB,gBAErD/U,IACFnW,KAAKmW,WAAaA,GAGhBkC,IACFrY,KAAKqY,WAAaA,I,EAKjBvC,MAAP,SAAczP,GAEZ,OAAOwtB,EAAWK,QAAQ,CAAE7tB,KAAMA,EAAMsa,MAAO,EAAGlZ,IAAKY,KAAK0S,IAAI1U,EAAKE,OAAQ,QAAU,CAAC,SAASA,OAAS,G,EAGrG4tB,QAAP,SAAgBzrB,GACd,OAAOpB,OAAOC,aAAaxF,MAAM,KAAM2G,I,EAGlC0rB,WAAP,SAAmB1rB,EAAQpC,GACrBoC,EAAOrC,OACTC,GAAUoC,EAAOiY,MACjBjY,EAASA,EAAOrC,MAGlB,IAAMguB,EAAM3rB,EAAOpC,IAAW,EAClBoC,EAAOpC,EAAS,GAE5B,OAAO+tB,EAAM,EAAI,MAAQA,EAAMA,G,EAG1BC,WAAP,SAAmB5rB,EAAQpC,GACrBoC,EAAOrC,OACTC,GAAUoC,EAAOiY,MACjBjY,EAASA,EAAOrC,MAGlB,IAAMguB,EAAM3rB,EAAOpC,IAAW,GAClBoC,EAAOpC,EAAS,IAAM,GACtBoC,EAAOpC,EAAS,IAAM,EACtBoC,EAAOpC,EAAS,GAC5B,OAAO+tB,EAAM,EAAI,WAAaA,EAAMA,G,EAG/BE,YAAP,SAAoB7rB,EAAQpC,EAAQlG,GAC9BsI,EAAOrC,OACTC,GAAUoC,EAAOiY,MACjBjY,EAASA,EAAOrC,MAElBqC,EAAOpC,GAAUlG,GAAS,GAC1BsI,EAAOpC,EAAS,GAAMlG,GAAS,GAAM,IACrCsI,EAAOpC,EAAS,GAAMlG,GAAS,EAAK,IACpCsI,EAAOpC,EAAS,GAAa,IAARlG,G,EAIhB8zB,QAAP,SAAgB7tB,EAAM0E,GACpB,IACE9D,EAAGJ,EAAYY,EAAK+sB,EAAY7T,EAAO8T,EADrCC,EAAU,GAYd,GATIruB,EAAKA,MACPsa,EAAQta,EAAKsa,MACblZ,EAAMpB,EAAKoB,IACXpB,EAAOA,EAAKA,OAEZsa,EAAQ,EACRlZ,EAAMpB,EAAK4B,aAGR8C,EAAKxE,OAER,OAAO,KAGT,IAAKU,EAAI0Z,EAAO1Z,EAAIQ,GAGlBgtB,GAFA5tB,EAAOgtB,EAAWS,WAAWjuB,EAAMY,IAEnB,EAAIA,EAAIJ,EAAOY,EADxBosB,EAAWM,QAAQ9tB,EAAKO,SAASK,EAAI,EAAGA,EAAI,MAGtC8D,EAAK,KACI,IAAhBA,EAAKxE,OAGPmuB,EAAQ9sB,KAAK,CAAEvB,KAAMA,EAAMsa,MAAO1Z,EAAI,EAAGQ,IAAKgtB,KAG9CD,EAAaX,EAAWK,QAAQ,CAAE7tB,KAAMA,EAAMsa,MAAO1Z,EAAI,EAAGQ,IAAKgtB,GAAU1pB,EAAKmG,MAAM,KACvE3K,SACbmuB,EAAUA,EAAQngB,OAAOigB,KAI/BvtB,EAAIwtB,EAIN,OAAOC,G,EAGFC,kBAAP,SAA0Bvc,GACxB,IAKIwc,EALEtM,EAAOuL,EAAWK,QAAQ9b,EAAa,CAAC,SAAS,GACjDyc,EAAgBvM,EAAOA,EAAK7gB,IAAM,KAEpCkB,EAAQ,EACRmsB,EAAOjB,EAAWK,QAAQ9b,EAAa,CAAC,SAG5C,IAAK0c,IAASA,EAAK,GACjB,OAAO,KAGTF,EAAa,GAGb,IAAMG,GAFND,EAAOA,EAAK,IAESzuB,KAAK,GAG1BsC,EAAoB,IAAZosB,EAAgB,EAAI,GAE5B,IAAMlK,EAAYgJ,EAAWS,WAAWQ,EAAMnsB,GAC9CA,GAAS,EAQPA,GADc,IAAZosB,EACO,EAEA,GAIXpsB,GAAS,EAET,IAAIqsB,EAAYF,EAAKrtB,IAXH,EAaZwtB,EAAkBpB,EAAWO,WAAWU,EAAMnsB,GACpDA,GAAS,EAET,IAAK,IAAI1B,EAAI,EAAGA,EAAIguB,EAAiBhuB,IAAK,CACxC,IAAIiuB,EAAiBvsB,EAEfwsB,EAAgBtB,EAAWS,WAAWQ,EAAMI,GAClDA,GAAkB,EAElB,IAAME,EAAgC,WAAhBD,EAGtB,GAAsB,KAFiB,WAAhBA,KAAgC,GAIrD,YADAtzB,QAAQX,KAAK,oDAIf,IAAMm0B,EAAqBxB,EAAWS,WAAWQ,EAAMI,GACvDA,GAAkB,EAElBN,EAAWhtB,KAAK,CACdwtB,gBACAC,qBACAl0B,KAAM,CACJmX,SAAU+c,EAAqBxK,EAC/BlK,MAAOqU,EACPvtB,IAAKutB,EAAYI,EAAgB,KAIrCJ,GAAaI,EAObzsB,EAHAusB,GAAkB,EAMpB,MAAO,CACLI,yBAvD6B,EAwD7BzK,YACAkK,UACAE,kBACAL,aACAC,kB,EAuBGb,iBAAP,SAAyB5b,GACvB,IAAI7F,EAAS,GAmCb,OAlCYshB,EAAWK,QAAQ9b,EAAa,CAAC,OAAQ,SAE/CjW,SAAQ,SAAAknB,GACZ,IAAMG,EAAOqK,EAAWK,QAAQ7K,EAAM,CAAC,SAAS,GAChD,GAAIG,EAAM,CACR,IAAIuL,EAAUvL,EAAKnjB,KAAKmjB,EAAK7I,OACzBhY,EAAoB,IAAZosB,EAAgB,GAAK,GAC7BQ,EAAU1B,EAAWS,WAAW9K,EAAM7gB,GAEpCsf,EAAO4L,EAAWK,QAAQ7K,EAAM,CAAC,OAAQ,SAAS,GACxD,GAAIpB,EAAM,CAERtf,EAAoB,KADpBosB,EAAU9M,EAAK5hB,KAAK4hB,EAAKtH,QACD,GAAK,GAC7B,IAAMkK,EAAYgJ,EAAWS,WAAWrM,EAAMtf,GAExCof,EAAO8L,EAAWK,QAAQ7K,EAAM,CAAC,OAAQ,SAAS,GACxD,GAAItB,EAAM,CACR,IACIxmB,EAAO,CAAE,KAAQ,QAAS,KAAQ,SADrBsyB,EAAWM,QAAQpM,EAAK1hB,KAAKO,SAASmhB,EAAKpH,MAAQ,EAAGoH,EAAKpH,MAAQ,MAEpF,GAAIpf,EAAM,CAER,IAAIi0B,EAAW3B,EAAWK,QAAQ7K,EAAM,CAAC,OAAQ,OAAQ,OAAQ,SACjE,GAAImM,EAASjvB,OAAQ,CACnBivB,EAAWA,EAAS,GACpB,IAAIC,EAAY5B,EAAWM,QAAQqB,EAASnvB,KAAKO,SAAS4uB,EAAS7U,MAAQ,GAAI6U,EAAS7U,MAAQ,KAChGre,IAAOrB,IAAP,cAAyBM,EAAzB,IAAiCk0B,EAAjC,UAEFljB,EAAOgjB,GAAW,CAAE1K,UAAWA,EAAWtpB,KAAMA,GAChDgR,EAAOhR,GAAQ,CAAEspB,UAAWA,EAAWpS,GAAI8c,UAM9ChjB,G,EAmBFmjB,YAAP,SAAoB3B,EAAUpoB,GAC5B,IAAIgqB,EAAOC,EAAWrjB,EAmCtB,OAhCAojB,EAAQ9B,EAAWK,QAAQvoB,EAAU,CAAC,OAAQ,SAG9CiqB,EAAY,GAAGrhB,OAAOxS,MAAM,GAAI4zB,EAAME,KAAI,SAAUzM,GAClD,OAAOyK,EAAWK,QAAQ9K,EAAM,CAAC,SAASyM,KAAI,SAAU1M,GACtD,IAAI1Q,EAAIqd,EAqBR,OAlBArd,EAAKob,EAAWS,WAAWnL,EAAM,GAEjC2M,EAAQ/B,EAAStb,GAAIoS,WAAa,IAGvBgJ,EAAWK,QAAQ9K,EAAM,CAAC,SAASyM,KAAI,SAAU3M,GAC1D,IAAI6L,EAASxiB,EASb,OAPAwiB,EAAU7L,EAAK7iB,KAAK6iB,EAAKvI,OACzBpO,EAASshB,EAAWS,WAAWpL,EAAM,GACrB,IAAZ6L,IACFxiB,GAAUlK,KAAK+e,IAAI,EAAG,IAEtB7U,GAAUshB,EAAWS,WAAWpL,EAAM,IAEjC3W,KACN,GAEeujB,SAKtBvjB,EAASlK,KAAK0S,IAAIhZ,MAAM,KAAM6zB,GACvB3vB,SAASsM,GAAUA,EAAS,G,EAG9BwjB,eAAP,SAAuBhC,EAAUpoB,EAAUqN,GACzC6a,EAAWK,QAAQvoB,EAAU,CAAC,OAAQ,SAASkqB,KAAI,SAAUzM,GAC3D,OAAOyK,EAAWK,QAAQ9K,EAAM,CAAC,SAASyM,KAAI,SAAU1M,GAEtD,IAAI1Q,EAAKob,EAAWS,WAAWnL,EAAM,GAEjC0B,EAAYkJ,EAAStb,GAAIoS,WAAa,IAG1CgJ,EAAWK,QAAQ9K,EAAM,CAAC,SAASyM,KAAI,SAAU3M,GAC/C,IAAI6L,EAAU7L,EAAK7iB,KAAK6iB,EAAKvI,OACzBsK,EAAsB4I,EAAWS,WAAWpL,EAAM,GACtD,GAAgB,IAAZ6L,EACFlB,EAAWU,YAAYrL,EAAM,EAAG+B,EAAsBjS,EAAa6R,OAC9D,CACLI,GAAuB5iB,KAAK+e,IAAI,EAAG,IACnC6D,GAAuB4I,EAAWS,WAAWpL,EAAM,GACnD+B,GAAuBjS,EAAa6R,EACpCI,EAAsB5iB,KAAKslB,IAAI1C,EAAqB,GACpD,IAAM+K,EAAQ3tB,KAAKoW,MAAMwM,GAAuB9D,EAAa,IACvD8O,EAAQ5tB,KAAKoW,MAAMwM,GAAuB9D,EAAa,IAC7D0M,EAAWU,YAAYrL,EAAM,EAAG8M,GAChCnC,EAAWU,YAAYrL,EAAM,EAAG+M,c,EAQ1Cld,OAAA,SAAQ1S,EAAM2S,EAAYC,EAAYC,GACpC,IAAI6a,EAAW/zB,KAAK+zB,SACfA,IACH/zB,KAAKmY,iBAAiB9R,EAAMrG,KAAKmW,WAAYnW,KAAKqY,YAAY,GAC9D0b,EAAW/zB,KAAK+zB,UAElB,IAAI1C,EAAUhD,EAAUruB,KAAKquB,QAC7B,QAAgBjd,IAAZid,EAAuB,CACzB,IAAIgD,EAAWwC,EAAW6B,YAAY3B,EAAU1tB,GAChDrG,KAAKquB,QAAUA,EAAUgD,EAAWrY,EACpChZ,KAAKsR,SAASmB,QAAQC,IAAMlO,eAAgB,CAAE6pB,QAASA,IAEzDwF,EAAWkC,eAAehC,EAAU1tB,EAAMgoB,GAC1CgD,EAAWwC,EAAW6B,YAAY3B,EAAU1tB,GAC5CrG,KAAKkY,QAAQkB,MAAM2a,EAAS1U,MAAO0U,EAAS3U,MAAO,KAAM,KAAMiS,EAAUpY,EAAYC,EAAoB7S,I,EAG3G8K,QAAA,a,KAGa0iB,O,gBC9Yf,SAASqC,EAAsBC,GAErB,IAAIC,EAAmB,GAGvB,SAASC,EAAoBC,GAG3B,GAAGF,EAAiBE,GAClB,OAAOF,EAAiBE,GAAU12B,QAGpC,IAAIC,EAASu2B,EAAiBE,GAAY,CACxCrvB,EAAGqvB,EACH5hB,GAAG,EACH9U,QAAS,IAUX,OANAu2B,EAAQG,GAAU51B,KAAKb,EAAOD,QAASC,EAAQA,EAAOD,QAASy2B,GAG/Dx2B,EAAO6U,GAAI,EAGJ7U,EAAOD,QAIhBy2B,EAAoBE,EAAIJ,EAGxBE,EAAoB7sB,EAAI4sB,EAGxBC,EAAoBpvB,EAAI,SAAS7G,GAAS,OAAOA,GAGjDi2B,EAAoBnoB,EAAI,SAAStO,EAAS4M,EAAMrM,GAC1Ck2B,EAAoBG,EAAE52B,EAAS4M,IACjCjM,OAAOk2B,eAAe72B,EAAS4M,EAAM,CACnCkqB,cAAc,EACdz2B,YAAY,EACZC,IAAKC,KAMXk2B,EAAoBM,EAAI,SAAS/2B,GAC/BW,OAAOk2B,eAAe72B,EAAS,aAAc,CAAEQ,OAAO,KAIxDi2B,EAAoBO,EAAI,SAAS/2B,GAC/B,IAAIM,EAASN,GAAUA,EAAOg3B,WAC5B,WAAwB,OAAOh3B,EAAgB,SAC/C,WAA8B,OAAOA,GAEvC,OADAw2B,EAAoBnoB,EAAE/N,EAAQ,IAAKA,GAC5BA,GAITk2B,EAAoBG,EAAI,SAAS71B,EAAQC,GAAY,OAAOL,OAAOC,UAAUC,eAAeC,KAAKC,EAAQC,IAGzGy1B,EAAoBS,EAAI,IAGxBT,EAAoBU,GAAK,SAAS1kB,GAA2B,MAApBxQ,QAAQT,MAAMiR,GAAYA,GAE3E,IAAI2kB,EAAIX,EAAoBA,EAAoBY,EAAIC,cACpD,OAAOF,EAAEG,SAAWH,EAGtB,IACII,EAAmB,6DAGvB,SAASC,EAAaC,GACpB,OAAQA,EAAM,IAAI/tB,QAAQ,uBAAwB,QAOpD,SAASguB,EAAuBC,EAAS33B,EAAQ43B,GAC/C,IAAIC,EAAS,GACbA,EAAOD,GAAa,GAEpB,IAAIE,EAAW93B,EAAOylB,WAClBsS,EAAmBD,EAASzK,MAAM,0CACtC,IAAK0K,EAAkB,OAAOF,EAM9B,IALA,IAIIxK,EAJA2K,EAAqBD,EAAiB,GAGtCE,EAAK,IAAIC,OAAO,cAAgBV,EAAYQ,GAAsBT,EAAkB,KAEhFlK,EAAQ4K,EAAGvsB,KAAKosB,IACL,kBAAbzK,EAAM,IACVwK,EAAOD,GAAW7vB,KAAKslB,EAAM,IAK/B,IADA4K,EAAK,IAAIC,OAAO,MAAQV,EAAYQ,GAAsB,wDAA4DT,EAAkB,KAChIlK,EAAQ4K,EAAGvsB,KAAKosB,IACjBH,EAAQtK,EAAM,MACjBwK,EAAOD,GAAW7vB,KAAKslB,EAAM,IAC7BsK,EAAQtK,EAAM,IAAMmJ,EAAoBnJ,EAAM,IAAIqJ,GAEpDmB,EAAOxK,EAAM,IAAMwK,EAAOxK,EAAM,KAAO,GACvCwK,EAAOxK,EAAM,IAAItlB,KAAKslB,EAAM,IAK9B,IADA,IAjCiB0J,EAiCbhI,EAAOruB,OAAOquB,KAAK8I,GACdzwB,EAAI,EAAGA,EAAI2nB,EAAKroB,OAAQU,IAC/B,IAAK,IAAIqO,EAAI,EAAGA,EAAIoiB,EAAO9I,EAAK3nB,IAAIV,OAAQ+O,IAnC7BshB,EAoCCc,EAAO9I,EAAK3nB,IAAIqO,GAnC1B2O,MAAM,EAAI2S,KAoCZc,EAAO9I,EAAK3nB,IAAIqO,GAAK,EAAIoiB,EAAO9I,EAAK3nB,IAAIqO,IAK/C,OAAOoiB,EAGT,SAASM,EAAmBC,GAE1B,OADW13B,OAAOquB,KAAKqJ,GACXpI,QAAO,SAAUqI,EAAW73B,GACtC,OAAO63B,GAAaD,EAAO53B,GAAKkG,OAAS,KACxC,GAqCL1G,EAAOD,QAAU,SAAU02B,EAAU6B,GACnCA,EAAUA,GAAW,GACrB,IAAIX,EAAU,CACZY,KAAM,KAGJC,EAAkBF,EAAQG,IAAM,CAAEF,KAAM73B,OAAOquB,KAAK4I,EAAQY,OAxClE,SAA6BZ,EAASlB,GAWpC,IAVA,IAAIiC,EAAe,CACjBH,KAAM,CAAC9B,IAEL+B,EAAkB,CACpBD,KAAM,IAEJI,EAAc,CAChBJ,KAAM,IAGDJ,EAAkBO,IAEvB,IADA,IAAIN,EAAS13B,OAAOquB,KAAK2J,GAChBtxB,EAAI,EAAGA,EAAIgxB,EAAO1xB,OAAQU,IAAK,CACtC,IAAIwwB,EAAYQ,EAAOhxB,GAEnBwxB,EADQF,EAAad,GACCiB,MAE1B,GADAF,EAAYf,GAAae,EAAYf,IAAc,IAC/Ce,EAAYf,GAAWgB,IAAmBjB,EAAQC,GAAWgB,GAAjE,CACAD,EAAYf,GAAWgB,IAAiB,EACxCJ,EAAgBZ,GAAaY,EAAgBZ,IAAc,GAC3DY,EAAgBZ,GAAW7vB,KAAK6wB,GAGhC,IAFA,IAAIE,EAAapB,EAAsBC,EAASA,EAAQC,GAAWgB,GAAgBhB,GAC/EmB,EAAiBr4B,OAAOquB,KAAK+J,GACxBrjB,EAAI,EAAGA,EAAIsjB,EAAeryB,OAAQ+O,IACzCijB,EAAaK,EAAetjB,IAAMijB,EAAaK,EAAetjB,KAAO,GACrEijB,EAAaK,EAAetjB,IAAMijB,EAAaK,EAAetjB,IAAIf,OAAOokB,EAAWC,EAAetjB,MAKzG,OAAO+iB,EASmEQ,CAAmBrB,EAASlB,GAElGwC,EAAM,GAEVv4B,OAAOquB,KAAKyJ,GAAiBrG,QAAO,SAAUuE,GAAK,MAAa,SAANA,KAAgBp0B,SAAQ,SAAUtC,GAE1F,IADA,IAAIk5B,EAAc,EACXV,EAAgBx4B,GAAQk5B,IAC7BA,IAEFV,EAAgBx4B,GAAQ+H,KAAKmxB,GAC7BvB,EAAQ33B,GAAQk5B,GAAe,6FAC/BD,EAAMA,EAAM,OAASj5B,EAAS,OAASq2B,EAAqB5Q,WAAW/b,QAAQ,eAAgByvB,KAAKC,UAAUF,IAAgB,MAAQV,EAAgBx4B,GAAQg2B,KAAI,SAAUpd,GAAM,OAAYugB,KAAKC,UAAUxgB,GAAM,KAAO+e,EAAQ33B,GAAQ4Y,GAAI6M,cAAcpZ,KAAK,KAAO,WAG1Q4sB,EAAMA,EAAM,SAAW5C,EAAqB5Q,WAAW/b,QAAQ,eAAgByvB,KAAKC,UAAU3C,IAAa,MAAQ+B,EAAgBD,KAAKvC,KAAI,SAAUpd,GAAM,OAAYugB,KAAKC,UAAUxgB,GAAM,KAAO+e,EAAQY,KAAK3f,GAAI6M,cAAcpZ,KAAK,KAAO,aAE/O,IAAIgtB,EAAO,IAAInvB,OAAOovB,KAAK,CAACL,GAAM,CAAEv3B,KAAM,oBAC1C,GAAI42B,EAAQiB,KAAQ,OAAOF,EAE3B,IAEIG,GAFMtvB,OAAOuvB,KAAOvvB,OAAOwvB,WAAaxvB,OAAOyvB,QAAUzvB,OAAO0vB,OAEhDC,gBAAgBR,GAChCS,EAAS,IAAI5vB,OAAO6vB,OAAOP,GAG/B,OAFAM,EAAOE,UAAYR,EAEZM,I,6BCxMT,uCA0EeG,UA/DK,SAAU9vB,GAE5B,IAAIsH,EAAW,IAAI0C,eACnB1C,EAASmB,QAAU,SAAkBgB,GAAgB,2BAANpN,EAAM,iCAANA,EAAM,kBACnDiL,EAASwD,KAAT,MAAAxD,EAAQ,CAAMmC,EAAOA,GAAb,OAAuBpN,KAGjCiL,EAASmE,IAAM,SAAchC,GAAgB,2BAANpN,EAAM,iCAANA,EAAM,kBAC3CiL,EAAS+D,eAAT,MAAA/D,EAAQ,CAAgBmC,GAAhB,OAA0BpN,KAGpC,IAAI0zB,EAAiB,SAAUC,EAAI3zB,GACjC2D,EAAKiwB,YAAY,CAAExmB,MAAOumB,EAAI3zB,KAAMA,KAGtC2D,EAAKkwB,iBAAiB,WAAW,SAAUF,GACzC,IAAI3zB,EAAO2zB,EAAG3zB,KAEd,OAAQA,EAAK8zB,KACb,IAAK,OACH,IAAM5oB,EAASynB,KAAKoB,MAAM/zB,EAAKkL,QAC/BvH,EAAKipB,QAAU,IAAID,IAAc1hB,EAAUjL,EAAKmZ,cAAejO,EAAQlL,EAAK2mB,QAE5EhrB,YAAWuP,EAAOvQ,OAGlB+4B,EAAe,OAAQ,MACvB,MACF,IAAK,QACH/vB,EAAKipB,QAAQrrB,KAAKvB,EAAKA,KAAMA,EAAKmX,YAAanX,EAAK+R,YAAa/R,EAAK8P,WAAY9P,EAAKgS,WAAYhS,EAAK2S,WAAY3S,EAAK6sB,cAAe7sB,EAAK8sB,YAAa9sB,EAAK4S,WAAY5S,EAAKiS,SAAUjS,EAAK6S,mBAAoB7S,EAAK+sB,oBAQ5N9hB,EAASiE,GAAG7C,IAAM7N,eAAgBk1B,GAClCzoB,EAASiE,GAAG7C,IAAM5N,0BAA2Bi1B,GAC7CzoB,EAASiE,GAAG7C,IAAMxN,YAAa60B,GAC/BzoB,EAASiE,GAAG7C,IAAMnN,MAAOw0B,GACzBzoB,EAASiE,GAAG7C,IAAM1N,sBAAuB+0B,GACzCzoB,EAASiE,GAAG7C,IAAM3N,sBAAuBg1B,GACzCzoB,EAASiE,GAAG7C,IAAMlO,eAAgBu1B,GAGlCzoB,EAASiE,GAAG7C,IAAMzN,mBAAmB,SAAU+0B,EAAI3zB,GACjD,IAAIg0B,EAAe,GACf7nB,EAAU,CAAEiB,MAAOumB,EAAI3zB,KAAMA,GAC7BA,EAAK8qB,QACP3e,EAAQ2e,MAAQ9qB,EAAK8qB,MAAMzoB,OAC3B2xB,EAAazyB,KAAKvB,EAAK8qB,MAAMzoB,eACtBrC,EAAK8qB,OAEV9qB,EAAK+qB,QACP5e,EAAQ4e,MAAQ/qB,EAAK+qB,MAAM1oB,OAC3B2xB,EAAazyB,KAAKvB,EAAK+qB,MAAM1oB,eACtBrC,EAAK+qB,OAEdpnB,EAAKiwB,YAAYznB,EAAS6nB,Q,gGCiClBC,EAUAC,E,mCCtGNC,EAAwB,CAC5B,iBAAmB,EACnB,sBAAwB,EACxB,qBAAuB,GA2EVC,E,WAnEb,WAAaC,GAA4B,KAJzCA,SAIyC,OAHzCC,mBAGyC,OAFzCC,uBAEyC,EACvC56B,KAAK06B,IAAMA,EACX16B,KAAK66B,QAAU76B,KAAK66B,QAAQv6B,KAAKN,MAFM,2BAAfoU,EAAe,iCAAfA,EAAe,kBAGvCpU,KAAK26B,cAAgBvmB,EACrBpU,KAAK46B,mBAAoB,EAEzB56B,KAAK86B,oB,2BAGP3pB,QAAA,WACEnR,KAAK+6B,sBACL/6B,KAAKg7B,sBACLh7B,KAAKi7B,sB,EAGGF,oBAAV,a,EACUE,mBAAV,a,EAEAC,eAAA,WACE,MAAqC,iBAAvBl7B,KAAK26B,eAA8B36B,KAAK26B,cAAcp0B,QAAkC,mBAAjBvG,KAAK66B,S,EAG5FC,kBAAA,WACM96B,KAAKk7B,kBACPl7B,KAAK26B,cAAcx4B,SAAQ,SAAUsR,GACnC,GAAI+mB,EAAsB/mB,GACxB,MAAM,IAAI3I,MAAM,yBAA2B2I,GAG7CzT,KAAK06B,IAAInlB,GAAG9B,EAAOzT,KAAK66B,WACvB76B,O,EAIPg7B,oBAAA,WACMh7B,KAAKk7B,kBACPl7B,KAAK26B,cAAcx4B,SAAQ,SAAUsR,GACnCzT,KAAK06B,IAAIjlB,IAAIhC,EAAOzT,KAAK66B,WACxB76B,O,EAOP66B,QAAA,SAASpnB,EAAepN,GACtBrG,KAAKm7B,eAAe1nB,EAAOpN,I,EAG7B80B,eAAA,SAAgB1nB,EAAepN,GAS7B,KARsB,SAAUoN,EAAepN,GAC7C,IAAI+0B,EAAW,KAAO3nB,EAAMlK,QAAQ,MAAO,IAC3C,GAA8B,mBAAnBvJ,KAAKo7B,GACd,MAAM,IAAItwB,MAAJ,SAAmB2I,EAAnB,mCAA2DzT,KAAKq7B,YAAY7uB,KAA5E,iBAAiG4uB,EAAjG,KAGR,OAAOp7B,KAAKo7B,GAAU96B,KAAKN,KAAMqG,KAGjB3F,KAAKV,KAAMyT,EAAOpN,GAAM3F,OACxC,MAAO2R,GACP/P,IAAOlB,MAAP,mDAAgEqS,EAAhE,qBAA0FpB,EAAIG,QAA9F,2BAAiIH,GACjIrS,KAAK06B,IAAIjoB,QAAQC,IAAMnN,MAAO,CAAEhE,KAAMsE,IAAWy1B,YAAa1oB,QAAS9M,IAAay1B,mBAAoBzoB,OAAO,EAAOW,MAAOA,EAAOpB,IAAKA,M,eDmBnIioB,K,oBAAAA,E,cAAAA,E,yBAAAA,E,gCAAAA,M,cAUAC,K,YAAAA,E,cAAAA,E,qBAAAA,M,2LE3GAiB,ECJSC,E,WASnB,WAAaC,EAAiBC,GAAqB,KAR3CC,KAAsB,KAQqB,KAN5CC,aAM4C,OAL5CC,YAK4C,OAJ5Cnc,OAAwB,KAIoB,KAH5Ctf,IAAyB,KAGmB,KAF5CgM,GAAwB,KAG7BrM,KAAK67B,QAAUH,EACf17B,KAAK87B,OAASH,E,mDAQd,OAJK37B,KAAK47B,MAAQ57B,KAAK87B,SACrB97B,KAAK47B,KAAOtxB,2BAAiBtK,KAAK67B,QAAS77B,KAAK87B,OAAQ,CAAEnxB,iBAAiB,KAGtE3K,KAAK47B,U,gNDfJJ,K,cAAAA,E,eAAAA,M,SAKSO,E,mCACXC,KAAsB,K,KACtBC,WAA8B,K,KAC9BC,aAAgC,K,KAGhCC,qB,MACLX,EAAsBY,QAAQ,E,EAC9BZ,EAAsBa,QAAQ,E,QAI1BC,SAAmB,E,KAEnBC,mBAAoC,K,KACpCC,gBAAiC,K,KACjCC,MAAuB,K,KACvBC,QAA2B,G,KAS3BC,Q,OAEAp7B,U,OAEAq7B,Y,OAEAC,a,OAEAvkB,c,OAEAqI,W,OAEAqK,GAA6B,E,KAE7B8R,MAAgB,E,KAEhBC,MAAgB,E,KAIhBC,c,OAGAC,Y,mCAGPC,aAAA,SAAc98B,EAAe+8B,GAC3B,IAAM1xB,EAASrL,EAAM4L,MAAM,IAAK,GAC1BoxB,EAAsB,GACN,IAAlB3xB,EAAOlF,OACT62B,EAAU,GAAKD,EAAeA,EAAaE,mBAAqB,EAEhED,EAAU,GAAK7iB,SAAS9O,EAAO,IAEjC2xB,EAAU,GAAK7iB,SAAS9O,EAAO,IAAM2xB,EAAU,GAC/Cp9B,KAAKi8B,WAAamB,G,EAqFpBE,oBAAA,SAAqB/7B,GACnBvB,KAAKm8B,mBAAmB56B,IAAQ,G,EAMlCg8B,oBAAA,SAAqBh8B,GACnB,OAAyC,IAAlCvB,KAAKm8B,mBAAmB56B,I,EAQjCi8B,2BAAA,SAA4BC,GAG1B,IAFA,IAAIC,EAAY,IAAIx1B,WAAW,IAEtBjB,EAAI,GAAIA,EAAI,GAAIA,IACvBy2B,EAAUz2B,GAAMw2B,GAAiB,GAAK,GAAKx2B,GAAM,IAGnD,OAAOy2B,G,EASTC,2BAAA,SAA4BX,EAAoBS,GAC9C,IAAIjgB,EAAcwf,EAQlB,OANIA,GAAYA,EAASrd,QAAUqd,EAASY,MAAQZ,EAAS3wB,MAC3DmR,EAAc,IAAIie,EAASuB,EAASnB,QAASmB,EAASlB,SAC1Cnc,OAASqd,EAASrd,OAC9BnC,EAAYnR,GAAKrM,KAAKw9B,2BAA2BC,IAG5CjgB,G,kCAtHP,OAJKxd,KAAKg8B,MAAQh8B,KAAK48B,SACrB58B,KAAKg8B,KAAO1xB,2BAAiBtK,KAAK68B,QAAS78B,KAAK48B,OAAQ,CAAEjyB,iBAAiB,KAGtE3K,KAAKg8B,M,aAGL57B,GACPJ,KAAKg8B,KAAO57B,I,gCAIZ,OAAKJ,KAAKi8B,WAIHj8B,KAAKi8B,WAHH,K,2CAUT,OAAOj8B,KAAKo9B,UAAU,K,yCAItB,OAAOp9B,KAAKo9B,UAAU,K,kCAItB,IAAKp9B,KAAKg9B,WAAah9B,KAAKk8B,aAC1B,OAAO,KAGT,IAAKl8B,KAAKk8B,cAAgBl8B,KAAKg9B,SAAU,CACvC,IAAIhS,EAAKhrB,KAAKgrB,GACI,iBAAPA,IAILhrB,KAAKg9B,UAAqC,YAAzBh9B,KAAKg9B,SAASrd,SAAyB3f,KAAKg9B,SAAS3wB,IACxE/J,IAAOpB,KAAP,sDAAkElB,KAAKg9B,SAASrd,OAAhF,wBAUFqL,EAAK,GAEPhrB,KAAKk8B,aAAel8B,KAAK29B,2BAA2B39B,KAAKg9B,SAAUhS,GAGrE,OAAOhrB,KAAKk8B,e,yCAIZ,GAA6B,OAAzBl8B,KAAKw8B,gBACP,OAAO,KAGT,IAAK,YAAgBx8B,KAAKw8B,iBACxB,OAAO,KAGT,IAAIlkB,EAAY,YAAgBtY,KAAKsY,UAAgBtY,KAAKsY,SAAT,EAEjD,OAAOtY,KAAKw8B,gBAA8B,IAAXlkB,I,gCAI/B,SAAWtY,KAAKwd,aAAwC,OAAzBxd,KAAKwd,YAAYogB,KAA2C,OAAzB59B,KAAKwd,YAAYnd,U,0MEvJlEw9B,E,WACnB,WAAaC,GAEX99B,KAAK+9B,MAAQ,EACb/9B,KAAKg+B,MAAQ,EACbh+B,KAAKi+B,UAAY,GACjBj+B,KAAKoY,YAAc,KACnBpY,KAAKk+B,MAAO,EACZl+B,KAAKm+B,gBAAiB,EACtBn+B,KAAKo+B,QAAU,EACfp+B,KAAKq+B,QAAU,EACfr+B,KAAKs+B,gBAAkB,KACvBt+B,KAAKu+B,eAAiB,EACtBv+B,KAAKw+B,cAAgB,EACrBx+B,KAAKuB,KAAO,KACZvB,KAAK8I,IAAMg1B,EACX99B,KAAK+0B,QAAU,K,kEAIf,SAAU/0B,KAAKi+B,UAAU,KAAM,YAAgBj+B,KAAKi+B,UAAU,GAAGzB,uB,gCCpB/DiC,EAA2B,gBAC3BC,EAAkB,wCAuFTC,E,WAnFb,WAAaC,GAKX,IAAK,IAAIC,IAJY,iBAAVD,IACTA,EAAQD,EAASG,cAAcF,IAGhBA,EACXA,EAAMn+B,eAAeo+B,KACvB7+B,KAAK6+B,GAAQD,EAAMC,I,2BAKzBE,eAAA,SAAgBC,GACd,IAAMC,EAAW1kB,SAASva,KAAKg/B,GAAW,IAC1C,OAAIC,EAAWj5B,OAAOk5B,iBACbxQ,IAGFuQ,G,EAGTE,mBAAA,SAAoBH,GAClB,GAAIh/B,KAAKg/B,GAAW,CAClB,IAAII,GAAep/B,KAAKg/B,IAAa,MAAM9tB,MAAM,GACjDkuB,GAAqC,EAArBA,EAAY74B,OAAc,IAAM,IAAM64B,EAGtD,IADA,IAAMh/B,EAAQ,IAAI8H,WAAWk3B,EAAY74B,OAAS,GACzCU,EAAI,EAAGA,EAAIm4B,EAAY74B,OAAS,EAAGU,IAC1C7G,EAAM6G,GAAKsT,SAAS6kB,EAAYluB,MAAU,EAAJjK,EAAW,EAAJA,EAAQ,GAAI,IAG3D,OAAO7G,EAEP,OAAO,M,EAIXi/B,2BAAA,SAA4BL,GAC1B,IAAMC,EAAW1kB,SAASva,KAAKg/B,GAAW,IAC1C,OAAIC,EAAWj5B,OAAOk5B,iBACbxQ,IAGFuQ,G,EAGTK,qBAAA,SAAsBN,GACpB,OAAOO,WAAWv/B,KAAKg/B,K,EAGzBQ,iBAAA,SAAkBR,GAChB,OAAOh/B,KAAKg/B,I,EAGdS,kBAAA,SAAmBT,GACjB,IAAMU,EAAMjB,EAAyBlzB,KAAKvL,KAAKg/B,IAC/C,GAAY,OAARU,EAIJ,MAAO,CACLviB,MAAO5C,SAASmlB,EAAI,GAAI,IACxBriB,OAAQ9C,SAASmlB,EAAI,GAAI,M,EAItBZ,cAAP,SAAsBa,GACpB,IAAIzS,EAAO0R,EAAQ,GAEnB,IADAF,EAAgBkB,UAAY,EACqB,QAAzC1S,EAAQwR,EAAgBnzB,KAAKo0B,KAAkB,CACrD,IAAIv/B,EAAQ8sB,EAAM,GAEW,IAAzB9sB,EAAMiJ,QAFoB,MAG1BjJ,EAAM0L,YAHoB,OAGI1L,EAAMmG,OAAS,IAC/CnG,EAAQA,EAAM8Q,MAAM,GAAI,IAG1B0tB,EAAM1R,EAAM,IAAM9sB,EAEpB,OAAOw+B,G,KCnFLiB,EAAsB,CAC1BxgB,MAAO,CACL,MAAQ,EACR,QAAQ,EACR,QAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,QAAQ,EACR,QAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,QAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,QAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,GAEVD,MAAO,CACL,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,QAAQ,EACR,MAAQ,EACR,MAAQ,IAWZ,SAAS0gB,EAAuB9oB,EAAezV,GAC7C,OAAOw+B,YAAYC,iBAAmBz+B,GAAQ,SAAvC,gBAA8DyV,EAA9D,KCvDT,IAAMipB,EAAwB,iDACxBC,EAA8B,qBAE9BC,EAA4B,IAAIpI,OAAO,CAC3C,0CAA0CqI,OAC1C,mBAAmBA,OACnB,0BAA0BA,OAC1B,iCAAiCA,OACjC,OAAOA,QACPl0B,KAAK,IAAK,KAENm0B,EAA4B,iWAE5BC,EAAmB,wBAEJC,E,kCACZC,UAAP,SAAkBC,EAA2BC,GAC3C,IAAK,IAAIz5B,EAAI,EAAGA,EAAIw5B,EAAOl6B,OAAQU,IAAK,CACtC,IAAM05B,EAAQF,EAAOx5B,GACrB,GAAI05B,EAAMloB,KAAOioB,EACf,OAAOC,I,EAKNC,oBAAP,SAA4B5pB,GAC1B,IACIzE,EADAsuB,EAAU7pB,EAAMhL,MAAM,KAS1B,OAPI60B,EAAQt6B,OAAS,GACnBgM,EAASsuB,EAAQha,QAAU,IAC3BtU,GAAUgI,SAASsmB,EAAQha,SAASvB,SAAS,IAC7C/S,IAAW,MAAQgI,SAASsmB,EAAQha,SAASvB,SAAS,KAAKwb,QAAQ,IAEnEvuB,EAASyE,EAEJzE,G,EAGFwuB,QAAP,SAAgBj4B,EAAKg1B,GACnB,OAAOzzB,mBAA4ByzB,EAASh1B,EAAK,CAAE6B,iBAAiB,K,EAG/Dq2B,oBAAP,SAA4BC,EAAgBpE,GAE1C,IAqBItqB,EArBA2uB,EAAqB,GAIzB,SAASC,EAAWC,EAAuBrE,GACzC,CAAC,QAAS,SAAS56B,SAAQ,SAACZ,GAC1B,IAAM8/B,EAAWD,EAAOpP,QAAO,SAAChb,GAAD,ODDvC,SAAsBA,EAAezV,GACnC,IAAM+/B,EAAYzB,EAAoBt+B,GACtC,QAAS+/B,IAA8C,IAAjCA,EAAUtqB,EAAM9F,MAAM,EAAG,ICDCqwB,CAAYvqB,EAAOzV,MAC7D,GAAI8/B,EAAS96B,OAAQ,CACnB,IAAMi7B,EAAYH,EAASrP,QAAO,SAAChb,GACjC,OAAwC,IAAjCA,EAAMlL,YAAY,OAAQ,IAA6C,IAAjCkL,EAAMlL,YAAY,OAAQ,MAEzEixB,EAASx7B,EAAJ,SAAmBigC,EAAUj7B,OAAS,EAAIi7B,EAAU,GAAKH,EAAS,GAGvED,EAASA,EAAOpP,QAAO,SAAChb,GAAD,OAAwC,IAA7BqqB,EAASh4B,QAAQ2N,UAIvD+lB,EAAM0E,cAAgBL,EAIxB,IArBAnB,EAAsBL,UAAY,EAqBsB,OAAhDrtB,EAAS0tB,EAAsB10B,KAAK01B,KAAkB,CAE5D,IAAMlE,EAAa,GAEb6B,EAAQ7B,EAAM6B,MAAQ,IAAID,EAASpsB,EAAO,IAChDwqB,EAAMj0B,IAAMy3B,EAAWQ,QAAQxuB,EAAO,GAAIsqB,GAE1C,IAAM6E,EAAa9C,EAAMa,kBAAkB,cACvCiC,IACF3E,EAAM5f,MAAQukB,EAAWvkB,MACzB4f,EAAM1f,OAASqkB,EAAWrkB,QAE5B0f,EAAM4E,QAAU/C,EAAMG,eAAe,sBAAwBH,EAAMG,eAAe,aAClFhC,EAAMvwB,KAAOoyB,EAAMgD,KAEnBT,EAAU,GAAG5sB,QAAQqqB,EAAMiD,QAAU,IAAI71B,MAAM,UAAW+wB,GAEtDA,EAAM1kB,aAAoD,IAAtC0kB,EAAM1kB,WAAWhP,QAAQ,UAC/C0zB,EAAM1kB,WAAakoB,EAAWK,oBAAoB7D,EAAM1kB,aAG1D6oB,EAAOt5B,KAAKm1B,GAEd,OAAOmE,G,EAGFY,yBAAP,SAAiCb,EAAgBpE,EAAiBt7B,EAAyBwgC,GACzF,IAAIxvB,OADgJ,IAA3DwvB,MAAiC,IAE1H,IAAIC,EAA+B,GAC/BvpB,EAAK,EAET,IADAynB,EAA4BN,UAAY,EACuB,QAAvDrtB,EAAS2tB,EAA4B30B,KAAK01B,KAAmB,CACnE,IAAMrC,EAAQ,IAAID,EAASpsB,EAAO,IAClC,GAAIqsB,EAAMqD,OAAS1gC,EAAM,CACvB,IAAM2gC,EAAuB,CAC3BzpB,GAAIA,IACJ0pB,QAASvD,EAAM,YACfpyB,KAAMoyB,EAAMgD,MAAQhD,EAAMwD,SAC1B7gC,OACA41B,QAA4B,QAAlByH,EAAMyD,QAChBC,WAAkC,QAArB1D,EAAM2D,WACnBC,OAA0B,QAAjB5D,EAAM6D,OACfC,KAAM9D,EAAMwD,UAOd,GAJIxD,EAAM+D,MACRT,EAAMp5B,IAAMy3B,EAAWQ,QAAQnC,EAAM+D,IAAK9F,IAGxCkF,EAAYx7B,OAAQ,CAEtB,IAAMq8B,EAAarC,EAAWC,UAAUuB,EAAaG,EAAMC,SAI3DD,EAAM/rB,WAAaysB,EAAaA,EAAW5rB,MAAQ+qB,EAAY,GAAG/qB,MAGpEgrB,EAAOp6B,KAAKs6B,IAGhB,OAAOF,G,EAGFa,mBAAP,SAA2B5B,EAAgBpE,EAAiBpkB,EAAYlX,EAAyBuhC,GAC/F,IAMIvwB,EACAtL,EACA+1B,EARA+F,EAAY,EACZvE,EAAgB,EAChBzB,EAAQ,IAAIc,EAAMhB,GAClBmG,EAAuB,EACvBC,EAA4B,KAC5B5f,EAAwB,IAAI0Y,EAK5BmH,EAAgB,KAIpB,IAFA/C,EAA0BP,UAAY,EAEuB,QAArDrtB,EAAS4tB,EAA0B50B,KAAK01B,KAAmB,CACjE,IAAM3oB,EAAW/F,EAAO,GACxB,GAAI+F,EAAU,CACZ+K,EAAK/K,SAAWinB,WAAWjnB,GAE3B,IAAMmkB,GAAS,IAAMlqB,EAAO,IAAIrB,MAAM,GACtCmS,EAAKoZ,MAAQA,GAAS,KACtBpZ,EAAKqZ,QAAQ90B,KAAK60B,EAAQ,CAAE,MAAOnkB,EAAUmkB,GAAU,CAAE,MAAOnkB,SAC3D,GAAI/F,EAAO,IAChB,GAAI,YAAgB8Q,EAAK/K,UAAW,CAClC,IAAM0S,EAAK+X,IACX1f,EAAK9hB,KAAOA,EACZ8hB,EAAK1C,MAAQ6d,EACTxB,IACF3Z,EAAK2Z,SAAWA,GAElB3Z,EAAK2H,GAAKA,EACV3H,EAAK0Z,MAAQtkB,EACb4K,EAAKsZ,GAAKqG,EACV3f,EAAKyZ,MAAQgG,EACbzf,EAAKwZ,QAAUA,EAEfxZ,EAAKuZ,QAAU,IAAMrqB,EAAO,IAAIrB,MAAM,GACtCiyB,EAAsB9f,EAAM4f,GAE5BlG,EAAMkB,UAAUr2B,KAAKyb,GACrB4f,EAAW5f,EACXmb,GAAiBnb,EAAK/K,SAEtB+K,EAAO,IAAI0Y,QAER,GAAIxpB,EAAO,GAAI,CACpB,IAAMlM,GAAQ,IAAMkM,EAAO,IAAIrB,MAAM,GACjC+xB,EACF5f,EAAK6Z,aAAa72B,EAAM48B,GAExB5f,EAAK6Z,aAAa72B,QAEf,GAAIkM,EAAO,GAEhB8Q,EAAKkZ,oBAAsB,IAAMhqB,EAAO,IAAIrB,MAAM,GAClDmS,EAAKqZ,QAAQ90B,KAAK,CAAC,oBAAqByb,EAAKkZ,qBACvB,OAAlB2G,IACFA,EAAgBnG,EAAMkB,UAAU13B,YAE7B,CAEL,KADAgM,EAASA,EAAO,GAAG2a,MAAMmT,IACZ,CACX/9B,IAAOpB,KAAK,sDACZ,SAEF,IAAK+F,EAAI,EAAGA,EAAIsL,EAAOhM,aACI,IAAdgM,EAAOtL,GADWA,KAO/B,IAAMm8B,GAAU,IAAM7wB,EAAOtL,EAAI,IAAIiK,MAAM,GACrCmyB,GAAU,IAAM9wB,EAAOtL,EAAI,IAAIiK,MAAM,GAE3C,OAAQqB,EAAOtL,IACf,IAAK,IACHoc,EAAKqZ,QAAQ90B,KAAKy7B,EAAS,CAAED,EAAQC,GAAW,CAAED,IAClD,MACF,IAAK,gBACHrG,EAAMx7B,KAAO6hC,EAAOE,cACpB,MACF,IAAK,iBACHP,EAAYhG,EAAMsB,QAAU9jB,SAAS6oB,GACrC,MACF,IAAK,iBACHrG,EAAMwB,eAAiBgB,WAAW6D,GAClC,MACF,IAAK,UACHrG,EAAMhI,QAAUxa,SAAS6oB,GACzB,MACF,IAAK,SACH,MACF,IAAK,UACHrG,EAAMmB,MAAO,EACb,MACF,IAAK,MACH8E,IACA3f,EAAKqZ,QAAQ90B,KAAK,CAAC,QACnB,MACF,IAAK,oBACHo7B,EAAuBzoB,SAAS6oB,GAChC,MACF,IAAK,MAEH,IACMG,EAAW,IAAI5E,EADCyE,GAEhBI,EAAgBD,EAAS/D,iBAAiB,UAC1CiE,EAAaF,EAASZ,IACtBe,EAAYH,EAASpE,mBAAmB,MAE1CqE,IACFxG,EAAW,IAAIvB,EAASoB,EAAS4G,GAC5BA,GAAgB,CAAC,UAAW,aAAc,mBAAmBp6B,QAAQm6B,IAAkB,IAC1FxG,EAASrd,OAAS6jB,EAClBxG,EAAS38B,IAAM,KAEf28B,EAAS3wB,GAAKq3B,IAGlB,MAEF,IAAK,QACH,IACMpF,EADa,IAAIK,EAASyE,GACG9D,qBAAqB,eAEpD,YAAgBhB,KAClBvB,EAAMuB,gBAAkBA,GAE1B,MAEF,IAAK,MACH,IAAMqF,EAAW,IAAIhF,EAASyE,GAC9B/f,EAAKuZ,OAAS+G,EAAShB,IACnBgB,EAASC,WACXvgB,EAAK6Z,aAAayG,EAASC,WAE7BvgB,EAAKwZ,QAAUA,EACfxZ,EAAK0Z,MAAQtkB,EACb4K,EAAK9hB,KAAOA,EACZ8hB,EAAK2H,GAAK,cACV+R,EAAM3kB,YAAciL,GACpBA,EAAO,IAAI0Y,GACNQ,mBAAqBQ,EAAM3kB,YAAYmkB,mBAC5C,MAEF,QACEj6B,IAAOpB,KAAP,gCAA4CqR,KAiDlD,OA5CA8Q,EAAO4f,KAEM5f,EAAKuZ,SAChBG,EAAMkB,UAAUvF,MAChB8F,GAAiBnb,EAAK/K,UAExBykB,EAAMyB,cAAgBA,EACtBzB,EAAM8G,sBAAwBrF,EAAgBzB,EAAMkB,UAAU13B,OAC9Dw2B,EAAMiB,MAAQ+E,EAAY,EAC1BhG,EAAMqB,QAAUrB,EAAMkB,UAAU,GAAKlB,EAAMkB,UAAU,GAAGtB,GAAK,EAC7DI,EAAMgB,MAAQiF,GAETjG,EAAM3kB,aAAe2kB,EAAMkB,UAAU13B,QAIpCw2B,EAAMkB,UAAU6F,OAAM,SAACzgB,GAAD,OAAUid,EAAiBxpB,KAAKuM,EAAKuZ,aAC7Dt6B,IAAOpB,KAAK,qGAEZmiB,EAAO,IAAI0Y,GACNa,OAASG,EAAMkB,UAAU,GAAGrB,OACjCvZ,EAAKwZ,QAAUA,EACfxZ,EAAK0Z,MAAQtkB,EACb4K,EAAK9hB,KAAOA,EACZ8hB,EAAK2H,GAAK,cAEV+R,EAAM3kB,YAAciL,EACpB0Z,EAAMoB,gBAAiB,GAavB+E,GAQR,SAAmCjF,EAAW8F,GAE5C,IADA,IAAIC,EAAW/F,EAAU8F,GAChB98B,EAAI88B,EAAa,EAAG98B,GAAK,EAAGA,IAAK,CACxC,IAAMoc,EAAO4a,EAAUh3B,GACvBoc,EAAKmZ,gBAAkBwH,EAASxH,gBAAmC,IAAhBnZ,EAAK/K,SACxD0rB,EAAW3gB,GAZT4gB,CAAyBlH,EAAMkB,UAAWiF,GAGrCnG,G,KAaX,SAASoG,EAAuB9f,EAAM4f,GAChC5f,EAAKkZ,mBACPlZ,EAAKmZ,gBAAkBzJ,KAAKqH,MAAM/W,EAAKkZ,oBAC9B0G,GAAYA,EAASzG,kBAC9BnZ,EAAKmZ,gBAAkByG,EAASiB,oBAG7B,YAAgB7gB,EAAKmZ,mBACxBnZ,EAAKmZ,gBAAkB,KACvBnZ,EAAKkZ,mBAAqB,M,IC3VtBzJ,EAAgB/oB,OAAhB+oB,YA6fOqR,E,oBAjfb,WAAazJ,GAAK,aAChB,cAAMA,EACJhoB,IAAMtP,iBACNsP,IAAMjP,cACNiP,IAAMzO,oBACNyO,IAAMrO,yBAJR,MAPM+/B,QAA+E,GAMrE,E,yFAYXC,qBAAP,SAA6B9iC,GAC3B,OAAQA,IAAS+4B,EAAoBgK,aACnC/iC,IAAS+4B,EAAoBiK,gB,EAQ1BC,sBAAP,SAA8BnxB,GAG5B,OAFiBA,EAAT9R,MAGR,KAAK+4B,EAAoBgK,YACvB,OAAO/J,EAAkB6B,MAC3B,KAAK9B,EAAoBiK,eACvB,OAAOhK,EAAkBkK,SAC3B,QACE,OAAOlK,EAAkBmK,O,EAItBC,eAAP,SAAuBC,EAA0BvxB,GAC/C,IAAIvK,EAAM87B,EAAS97B,IAOnB,YAJYsI,IAARtI,GAA8C,IAAzBA,EAAIO,QAAQ,WAEnCP,EAAMuK,EAAQvK,KAETA,G,2BAST+7B,qBAAA,SAAsBxxB,GACpB,IAAM9B,EAASvR,KAAK06B,IAAInpB,OAClBuzB,EAAUvzB,EAAOwzB,QACjBC,EAASzzB,EAAO0rB,OAIhBA,EAAS,IAFQ6H,GAAWE,GAEAzzB,GAMlC,OAHA8B,EAAQ4pB,OAASA,EACjBj9B,KAAKokC,QAAQ/wB,EAAQ9R,MAAQ07B,EAEtBA,G,EAGTgI,kBAAA,SAAmB5xB,GACjB,OAAOrT,KAAKokC,QAAQ/wB,EAAQ9R,O,EAG9B2jC,oBAAA,SAAqBC,GACfnlC,KAAKokC,QAAQe,WACRnlC,KAAKokC,QAAQe,I,EAOxBC,uBAAA,WACE,IAAK,IAAID,KAAenlC,KAAKokC,QAAS,CACpC,IAAInH,EAASj9B,KAAKokC,QAAQe,GACtBlI,GACFA,EAAO9rB,UAGTnR,KAAKklC,oBAAoBC,K,EAI7Bh0B,QAAA,WACEnR,KAAKolC,yBAEL,YAAMj0B,QAAN,Y,EAGFk0B,kBAAA,SAAmBh/B,GACjBrG,KAAKslC,KAAK,CACRx8B,IAAKzC,EAAKyC,IACVvH,KAAM+4B,EAAoBiL,SAC1BxI,MAAO,EACPtkB,GAAI,KACJ+sB,aAAc,U,EAIlBC,eAAA,SAAgBp/B,GACdrG,KAAKslC,KAAK,CACRx8B,IAAKzC,EAAKyC,IACVvH,KAAM+4B,EAAoBoL,MAC1B3I,MAAO12B,EAAK02B,MACZtkB,GAAIpS,EAAKoS,GACT+sB,aAAc,U,EAIlBG,oBAAA,SAAqBt/B,GACnBrG,KAAKslC,KAAK,CACRx8B,IAAKzC,EAAKyC,IACVvH,KAAM+4B,EAAoBgK,YAC1BvH,MAAO,KACPtkB,GAAIpS,EAAKoS,GACT+sB,aAAc,U,EAIlBI,uBAAA,SAAwBv/B,GACtBrG,KAAKslC,KAAK,CACRx8B,IAAKzC,EAAKyC,IACVvH,KAAM+4B,EAAoBiK,eAC1BxH,MAAO,KACPtkB,GAAIpS,EAAKoS,GACT+sB,aAAc,U,EAIlBF,KAAA,SAAMjyB,GACJ,IAAM9B,EAASvR,KAAK06B,IAAInpB,OAExBjP,IAAOtB,MAAP,4BAAyCqS,EAAQ9R,KAAjD,YAAiE8R,EAAQ0pB,MAAzE,SAAuF1pB,EAAQoF,IAG/F,IAYIotB,EACAC,EACAC,EACAC,EAfA/I,EAASj9B,KAAKilC,kBAAkB5xB,GACpC,GAAI4pB,EAAQ,CACV,IAAMgJ,EAAgBhJ,EAAO5pB,QAC7B,GAAI4yB,GAAiBA,EAAcn9B,MAAQuK,EAAQvK,IAEjD,OADAxG,IAAOvB,MAAM,6BACN,EAEPuB,IAAOpB,KAAP,sCAAkDmS,EAAQ9R,MAC1D07B,EAAOiJ,QAWX,OAAQ7yB,EAAQ9R,MAChB,KAAK+4B,EAAoBiL,SACvBM,EAAWt0B,EAAO40B,wBAClBL,EAAUv0B,EAAO60B,uBACjBL,EAAax0B,EAAO80B,0BACpBL,EAAgBz0B,EAAO+0B,+BACvB,MACF,KAAKhM,EAAoBoL,MAEvBG,EAAW,EACXG,EAAgB,EAChBD,EAAa,EACbD,EAAUv0B,EAAOg1B,oBAEjB,MACF,QACEV,EAAWt0B,EAAOi1B,qBAClBV,EAAUv0B,EAAOg1B,oBACjBR,EAAax0B,EAAOk1B,uBACpBT,EAAgBz0B,EAAOm1B,4BAIzBzJ,EAASj9B,KAAK6kC,qBAAqBxxB,GAEnC,IAAMszB,EAAoC,CACxCb,UACAD,WACAE,aACAC,iBAGIY,EAA0D,CAC9DC,UAAW7mC,KAAK8mC,YAAYxmC,KAAKN,MACjC+mC,QAAS/mC,KAAKgnC,UAAU1mC,KAAKN,MAC7BinC,UAAWjnC,KAAKknC,YAAY5mC,KAAKN,OAMnC,OAHAsC,IAAOtB,MAAP,6CAA0DqS,EAAQvK,KAClEm0B,EAAOqI,KAAKjyB,EAASszB,EAAcC,IAE5B,G,EAGTE,YAAA,SAAalC,EAA0BrR,EAAoBlgB,EAAgC8zB,GACzF,QADyH,IAAhCA,MAA0B,MAC/G9zB,EAAQ+zB,cAGV,OAFApnC,KAAKqnC,mBAAmBzC,EAAUvxB,QAClCrT,KAAKsnC,sBAAsB1C,EAAUrR,EAAOlgB,EAAS8zB,GAKvD,GADAnnC,KAAKklC,oBAAoB7xB,EAAQ9R,MACJ,iBAAlBqjC,EAASv+B,KAClB,MAAM,IAAIyE,MAAM,sDAGlB,IAAMm2B,EAAS2D,EAASv+B,KAExBktB,EAAMgU,MAAQzU,EAAYlG,MAIQ,IAA9BqU,EAAO53B,QAAQ,WAMf43B,EAAO53B,QAAQ,YAAc,GAAK43B,EAAO53B,QAAQ,0BAA4B,EAC/ErJ,KAAKwnC,4BAA4B5C,EAAUrR,EAAOlgB,EAAS8zB,GAE3DnnC,KAAKynC,sBAAsB7C,EAAUrR,EAAOlgB,EAAS8zB,GARrDnnC,KAAK0nC,4BAA4B9C,EAAUvxB,EAAS,sBAAuB8zB,I,EAY/EH,UAAA,SAAWpC,EAA0BvxB,EAAgC8zB,QAAuB,IAAvBA,MAAiB,MACpFnnC,KAAK2nC,oBAAoBt0B,EAAS8zB,GAAgB,EAAOvC,I,EAG3DsC,YAAA,SAAa3T,EAAoBlgB,EAAgC8zB,QAAuB,IAAvBA,MAAiB,MAChFnnC,KAAK2nC,oBAAoBt0B,EAAS8zB,GAAgB,I,EAKpDM,sBAAA,SAAuB7C,EAA0BrR,EAAoBlgB,EAAgC8zB,GACnG,IAAMzM,EAAM16B,KAAK06B,IACXuG,EAAS2D,EAASv+B,KAElByC,EAAMq7B,EAAeQ,eAAeC,EAAUvxB,GAC9C6tB,EAASX,EAAWS,oBAAoBC,EAAQn4B,GACtD,GAAKo4B,EAAO36B,OAAZ,CAMA,IAAMw7B,EAAiCb,EAAOrL,KAAI,SAAAkH,GAAK,MAAK,CAC1DtkB,GAAIskB,EAAM6B,MAAMxC,MAChBplB,MAAO+lB,EAAM5mB,eAGTyxB,EAAcrH,EAAWuB,yBAAyBb,EAAQn4B,EAAK,QAASi5B,GACxE8F,EAAYtH,EAAWuB,yBAAyBb,EAAQn4B,EAAK,aAEnE,GAAI8+B,EAAYrhC,OAAQ,CAEtB,IAAIuhC,GAAqB,EACzBF,EAAYzlC,SAAQ,SAAA6e,GACbA,EAAWlY,MACdg/B,GAAqB,OAQE,IAAvBA,GAAgC5G,EAAO,GAAG/qB,aAAe+qB,EAAO,GAAGtC,MAAMxC,QAC3E95B,IAAOrB,IAAI,2FACX2mC,EAAYG,QAAQ,CAClBxmC,KAAM,OACNiL,KAAM,OACN2qB,SAAS,EACTmL,YAAY,EACZE,QAAQ,EACR/pB,IAAK,KAKXiiB,EAAIjoB,QAAQC,IAAMrP,gBAAiB,CACjC69B,SACA0G,cACAC,YACA/+B,MACAyqB,QACA4T,wBA7CAnnC,KAAK0nC,4BAA4B9C,EAAUvxB,EAAS,6BAA8B8zB,I,EAiDtFK,4BAAA,SAA6B5C,EAA0BrR,EAAoBlgB,EAAgC8zB,GACzG,IAAMzM,EAAM16B,KAAK06B,IAETjiB,EAAoBpF,EAApBoF,GAAIskB,EAAgB1pB,EAAhB0pB,MAAOx7B,EAAS8R,EAAT9R,KAEbuH,EAAMq7B,EAAeQ,eAAeC,EAAUvxB,GAG9CyvB,EAAa,YAAgBrqB,GAAgBA,EAAe,EAC5DuvB,EAAU,YAAgBjL,GAAmBA,EAAkB+F,EAE/DmF,EAAY9D,EAAeK,sBAAsBnxB,GACjD60B,EAAe3H,EAAWsC,mBAAmB+B,EAASv+B,KAAgByC,EAAKk/B,EAASC,EAAWnF,GAUrG,GANCoF,EAAqBX,MAAQhU,EAAMgU,MAMhChmC,IAAS+4B,EAAoBiL,SAAU,CACzC,IAAM4C,EAAc,CAClBr/B,MACA8J,QAASs1B,GAGXxN,EAAIjoB,QAAQC,IAAMrP,gBAAiB,CACjC69B,OAAQ,CAACiH,GACTP,YAAa,GACb9+B,MACAyqB,QACA4T,mBAUJ,GALA5T,EAAM6U,QAAUtV,EAAYlG,MAKxBsb,EAAa/J,eAAjB,CACE,IAAMkK,EAAUH,EAAa9vB,YAAYtP,IACzC9I,KAAKslC,KAAK,CACRx8B,IAAKu/B,EACLjB,eAAe,EACf7lC,OACAw7B,QACAmL,eACAzvB,KACA6vB,WAAY,EACZC,SAAU,KACV/C,aAAc,qBAMlBnyB,EAAQ60B,aAAeA,EAEvBloC,KAAKsnC,sBAAsB1C,EAAUrR,EAAOlgB,EAAS8zB,I,EAGvDE,mBAAA,SAAoBzC,EAA0BvxB,GAC5C,GAA6B,iBAAlBuxB,EAASv+B,KAClB,MAAM,IAAIyE,MAAM,+DAGlB,IAAM09B,EAAW3U,IAAWc,kBAAkB,IAAIzsB,WAAW08B,EAASv+B,OAEtE,GAAKmiC,EAAL,CAGA,IAAMC,EAAiBD,EAAS5T,WAC1BsT,EAAe70B,EAAQ60B,aAC7BO,EAAetmC,SAAQ,SAACumC,EAAY//B,GAClC,IAAMggC,EAAaD,EAAWvnC,KAC9B,GAAK+mC,EAAL,CAGA,IAAM7kB,EAAO6kB,EAAajK,UAAUt1B,GACN,IAA1B0a,EAAK+Z,UAAU72B,QACjB8c,EAAK6Z,aAAa51B,OAAO,EAAIqhC,EAAWlhC,IAAMkhC,EAAWhoB,OAAS,IAAMrZ,OAAOqhC,EAAWhoB,YAI1FunB,GACFA,EAAa9vB,YAAY8kB,aAAa51B,OAAOkhC,EAAS3T,eAAiB,Q,EAI3E6S,4BAAA,SAA6B9C,EAA0BvxB,EAAgCN,EAAgBo0B,GACrGnnC,KAAK06B,IAAIjoB,QAAQC,IAAMnN,MAAO,CAC5BhE,KAAMsE,IAAW+iC,cACjBh2B,QAAS9M,IAAa+iC,uBACtB/1B,OAAO,EACPhK,IAAK87B,EAAS97B,IACdiK,SACAo0B,oB,EAIJQ,oBAAA,SAAqBt0B,EAAgC8zB,EAAyBrB,EAA0BlB,GAGtG,IAAIhyB,EACAE,OAJ0I,IAAlEgzB,OAAmB,QAA+C,IAAxClB,MAAkC,MACxItiC,IAAOnB,KAAP,2CAAuDkS,EAAQ9R,KAA/D,kBAKA,IAAM07B,EAASj9B,KAAKilC,kBAAkB5xB,GAEtC,OAAQA,EAAQ9R,MAChB,KAAK+4B,EAAoBiL,SACvB3yB,EAAWkzB,EAAUhgC,IAAagjC,sBAAwBhjC,IAAaijC,oBACvEj2B,GAAQ,EACR,MACF,KAAKwnB,EAAoBoL,MACvB9yB,EAAWkzB,EAAUhgC,IAAakjC,mBAAqBljC,IAAamjC,iBACpEn2B,GAAQ,EACR,MACF,KAAKwnB,EAAoBgK,YACvB1xB,EAAWkzB,EAAUhgC,IAAaojC,yBAA2BpjC,IAAaqjC,uBAC1Er2B,GAAQ,EACR,MACF,QAEEA,GAAQ,EAGNmqB,IACFA,EAAOiJ,QACPlmC,KAAKklC,oBAAoB7xB,EAAQ9R,OAInC,IAAI6nC,EAAiB,CACnB7nC,KAAMsE,IAAW+iC,cACjBh2B,UACAE,QACAhK,IAAKuK,EAAQvK,IACbm0B,SACA5pB,UACA8zB,kBAGEvC,IACFwE,EAAUxE,SAAWA,GAGvB5kC,KAAK06B,IAAIjoB,QAAQC,IAAMnN,MAAO6jC,I,EAGhC9B,sBAAA,SAAuB1C,EAA0BrR,EAAoBlgB,EAAgC8zB,GAAyB,IACpH5lC,EAAkC8R,EAAlC9R,KAAMw7B,EAA4B1pB,EAA5B0pB,MAAOtkB,EAAqBpF,EAArBoF,GAAIyvB,EAAiB70B,EAAjB60B,aAEzB,GAAKA,GAAiBA,EAAa3J,eAMnC,GADsB4F,EAAeE,qBAAqBhxB,EAAQ9R,MAEhEvB,KAAK06B,IAAIjoB,QAAQC,IAAMhP,aAAc,CACnCkP,QAASs1B,EACTnL,MAAOA,GAAS,EAChBtkB,GAAIA,GAAM,EACV8a,QACA4T,wBAGF,OAAQ5lC,GACR,KAAK+4B,EAAoBgK,YACvBtkC,KAAK06B,IAAIjoB,QAAQC,IAAMxO,mBAAoB,CACzC0O,QAASs1B,EACTzvB,KACA8a,QACA4T,mBAEF,MACF,KAAK7M,EAAoBiK,eACvBvkC,KAAK06B,IAAIjoB,QAAQC,IAAMpO,sBAAuB,CAC5CsO,QAASs1B,EACTzvB,KACA8a,QACA4T,wBA5BJnnC,KAAK0nC,4BAA4B9C,EAAUvxB,EAAS,0BAA2B8zB,I,GApdxD1M,G,IC0Fd4O,E,oBAzGb,WAAa3O,GAAK,aAChB,cAAMA,EAAKhoB,IAAMjO,eAAjB,MACK2/B,QAAU,GAFC,E,kHAKlBjzB,QAAA,WACE,IAAIizB,EAAUpkC,KAAKokC,QACnB,IAAK,IAAIkF,KAAclF,EAAS,CAC9B,IAAInH,EAASmH,EAAQkF,GACjBrM,GACFA,EAAO9rB,UAGXnR,KAAKokC,QAAU,GAEf,YAAMjzB,QAAN,Y,EAGFo4B,cAAA,SAAeljC,GACb,IAAMgd,EAAOhd,EAAKgd,KAChB9hB,EAAO8hB,EAAK9hB,KACZ6iC,EAAUpkC,KAAKokC,QACf7yB,EAASvR,KAAK06B,IAAInpB,OAClBi4B,EAAkBj4B,EAAOk4B,QACzBC,EAAiBn4B,EAAO0rB,OAG1B5Z,EAAKsmB,OAAS,EAEd,IASI1D,EAAeU,EAAcC,EAT7B3J,EAASmH,EAAQ7iC,GACjB07B,IACF36B,IAAOpB,KAAP,4CAAwDK,GACxD07B,EAAOiJ,SAGTjJ,EAASmH,EAAQ7iC,GAAQ8hB,EAAK4Z,OAC5B1rB,EAAOk4B,QAAU,IAAID,EAAgBj4B,GAAU,IAAIm4B,EAAen4B,GAIpE00B,EAAgB,CAAEn9B,IAAKua,EAAKva,IAAKua,KAAMA,EAAMmiB,aAAc,cAAeoE,cAAc,GAExF,IAAIjpB,EAAQ0C,EAAKwmB,qBACfpiC,EAAM4b,EAAKga,mBAET,YAAgB1c,IAAU,YAAgBlZ,KAC5Cw+B,EAAcqC,WAAa3nB,EAC3BslB,EAAcsC,SAAW9gC,GAG3Bk/B,EAAe,CACbb,QAASv0B,EAAOu4B,mBAChBjE,SAAU,EACVE,WAAY,EACZC,cAAez0B,EAAOw4B,4BAGxBnD,EAAkB,CAChBC,UAAW7mC,KAAK8mC,YAAYxmC,KAAKN,MACjC+mC,QAAS/mC,KAAKgnC,UAAU1mC,KAAKN,MAC7BinC,UAAWjnC,KAAKknC,YAAY5mC,KAAKN,MACjCgqC,WAAYhqC,KAAKiqC,aAAa3pC,KAAKN,OAGrCi9B,EAAOqI,KAAKW,EAAeU,EAAcC,I,EAG3CE,YAAA,SAAalC,EAAUrR,EAAOlgB,EAAS8zB,QAAuB,IAAvBA,MAAiB,MACtD,IAAIvc,EAAUga,EAASv+B,KAAMgd,EAAOhQ,EAAQgQ,KAE5CA,EAAK4Z,YAAS7rB,EACdpR,KAAKokC,QAAQ/gB,EAAK9hB,WAAQ6P,EAC1BpR,KAAK06B,IAAIjoB,QAAQC,IAAM9N,YAAa,CAAEgmB,QAASA,EAASvH,KAAMA,EAAMkQ,MAAOA,EAAO4T,eAAgBA,K,EAGpGH,UAAA,SAAWpC,EAAUvxB,EAAS8zB,QAAuB,IAAvBA,MAAiB,MAC7C,IAAM9jB,EAAOhQ,EAAQgQ,KACjB4Z,EAAS5Z,EAAK4Z,OACdA,GACFA,EAAOiJ,QAGTlmC,KAAKokC,QAAQ/gB,EAAK9hB,WAAQ6P,EAC1BpR,KAAK06B,IAAIjoB,QAAQC,IAAMnN,MAAO,CAAEhE,KAAMsE,IAAW+iC,cAAeh2B,QAAS9M,IAAaokC,gBAAiBp3B,OAAO,EAAOuQ,KAAMhQ,EAAQgQ,KAAMuhB,SAAUA,EAAUuC,eAAgBA,K,EAG/KD,YAAA,SAAa3T,EAAOlgB,EAAS8zB,QAAuB,IAAvBA,MAAiB,MAC5C,IAAM9jB,EAAOhQ,EAAQgQ,KACjB4Z,EAAS5Z,EAAK4Z,OACdA,GACFA,EAAOiJ,QAGTlmC,KAAKokC,QAAQ/gB,EAAK9hB,WAAQ6P,EAC1BpR,KAAK06B,IAAIjoB,QAAQC,IAAMnN,MAAO,CAAEhE,KAAMsE,IAAW+iC,cAAeh2B,QAAS9M,IAAaqkC,kBAAmBr3B,OAAO,EAAOuQ,KAAMhQ,EAAQgQ,KAAM8jB,eAAgBA,K,EAI7J8C,aAAA,SAAc1W,EAAOlgB,EAAShN,EAAM8gC,QAAuB,IAAvBA,MAAiB,MACnD,IAAI9jB,EAAOhQ,EAAQgQ,KACnBA,EAAKsmB,OAASpW,EAAMoW,OACpB3pC,KAAK06B,IAAIjoB,QAAQC,IAAMhO,mBAAoB,CAAE2e,KAAMA,EAAMkQ,MAAOA,EAAO4T,eAAgBA,K,GAtG9D1M,G,IC6Hd2P,E,oBA7Gb,WAAa1P,GAAU,aACrB,cAAMA,EAAKhoB,IAAMjN,cAAjB,MALK2+B,QAAU,GAIM,EAHhBiG,WAAgC,KAGhB,EAFhBC,WAA4B,KAEZ,E,kHAIvBn5B,QAAA,WACE,IAAK,IAAMm4B,KAActpC,KAAKokC,QAAS,CACrC,IAAInH,EAASj9B,KAAKokC,QAAQkF,GACtBrM,GACFA,EAAO9rB,UAGXnR,KAAKokC,QAAU,GAEf,YAAMjzB,QAAN,Y,EAGFo5B,aAAA,SAAclkC,GAA2B,IAC/Bgd,EAAShd,EAATgd,KACF9hB,EAAO8hB,EAAK9hB,KACZ07B,EAASj9B,KAAKokC,QAAQ7iC,GAC5B,GAAK8hB,EAAK7F,YAAV,CAMA,IAAMogB,EAAMva,EAAK7F,YAAYogB,IAC7B,GAAIA,IAAQ59B,KAAKsqC,YAAkC,OAApBtqC,KAAKqqC,WAAqB,CACvD,IAAI94B,EAASvR,KAAK06B,IAAInpB,OAKtB,GAJI0rB,IACF36B,IAAOpB,KAAP,sCAAkDK,GAClD07B,EAAOiJ,UAEJtI,EAEH,YADAt7B,IAAOpB,KAAK,oBAIdmiB,EAAK4Z,OAASj9B,KAAKokC,QAAQ7iC,GAAQ,IAAIgQ,EAAO0rB,OAAO1rB,GACrDvR,KAAKsqC,WAAa1M,EAClB59B,KAAKqqC,WAAa,KAElB,IAAMpE,EAAkC,CACtCn9B,IAAK80B,EACLva,KAAMA,EACNmiB,aAAc,eAMVmB,EAAoC,CACxCb,QAASv0B,EAAOu4B,mBAChBjE,SAAU,EACVE,WAAYx0B,EAAOi5B,sBACnBxE,cAAez0B,EAAOw4B,4BAGlBnD,EAAqD,CACzDC,UAAW7mC,KAAK8mC,YAAYxmC,KAAKN,MACjC+mC,QAAS/mC,KAAKgnC,UAAU1mC,KAAKN,MAC7BinC,UAAWjnC,KAAKknC,YAAY5mC,KAAKN,OAGnCqjB,EAAK4Z,OAAOqI,KAAKW,EAAeU,EAAcC,QACrC5mC,KAAKqqC,aAEdhnB,EAAK7F,YAAYnd,IAAML,KAAKqqC,WAC5BrqC,KAAK06B,IAAIjoB,QAAQC,IAAMhN,WAAY,CAAE2d,KAAMA,UA/C3C/gB,IAAOpB,KAAK,wD,EAmDhB4lC,YAAA,SAAalC,EAA0BrR,EAAoBlgB,GACzD,IAAIgQ,EAAOhQ,EAAQgQ,KACdA,EAAK7F,aAIVxd,KAAKqqC,WAAahnB,EAAK7F,YAAYnd,IAAM,IAAI6H,WAAW08B,EAASv+B,MAGjEgd,EAAK4Z,YAAS7rB,SACPpR,KAAKokC,QAAQ/gB,EAAK9hB,MACzBvB,KAAK06B,IAAIjoB,QAAQC,IAAMhN,WAAY,CAAE2d,KAAMA,KARzC/gB,IAAOlB,MAAM,sC,EAWjB4lC,UAAA,SAAWpC,EAA0BvxB,GACnC,IAAIgQ,EAAOhQ,EAAQgQ,KACf4Z,EAAS5Z,EAAK4Z,OACdA,GACFA,EAAOiJ,eAGFlmC,KAAKokC,QAAQ/gB,EAAK9hB,MACzBvB,KAAK06B,IAAIjoB,QAAQC,IAAMnN,MAAO,CAAEhE,KAAMsE,IAAW+iC,cAAeh2B,QAAS9M,IAAa2kC,eAAgB33B,OAAO,EAAOuQ,OAAMuhB,c,EAG5HsC,YAAA,SAAa3T,EAAoBlgB,GAC/B,IAAIgQ,EAAOhQ,EAAQgQ,KACf4Z,EAAS5Z,EAAK4Z,OACdA,GACFA,EAAOiJ,eAGFlmC,KAAKokC,QAAQ/gB,EAAK9hB,MACzBvB,KAAK06B,IAAIjoB,QAAQC,IAAMnN,MAAO,CAAEhE,KAAMsE,IAAW+iC,cAAeh2B,QAAS9M,IAAa4kC,iBAAkB53B,OAAO,EAAOuQ,U,GA9GlGoX,GCjBjB,IAAMkQ,EACC,aADDA,EAEA,YAFAA,EAGF,UAHEA,EAIP,KAGOC,EAAb,Y,QACE,WAAalQ,GAAK,aAChB,cAAMA,EACJhoB,IAAM1P,gBACN0P,IAAMvN,cACNuN,IAAM9N,cAHR,MAMKimC,cAAgB,GAErB,EAAK5M,UAAY19B,OAAO0T,OAAO,MAC/B,EAAK62B,WAAavqC,OAAO0T,OAAO,MAEhC,EAAK1C,OAASmpB,EAAInpB,OAZF,E,EADpB,G,EAAA,G,6EAAA,2BAgBEJ,QAAA,WACEnR,KAAKi+B,UAAY19B,OAAO0T,OAAO,MAC/BjU,KAAK8qC,WAAavqC,OAAO0T,OAAO,MAChCjU,KAAKuR,OAAS,KACdkpB,EAAaj6B,UAAU2Q,QAAQzQ,KAAKV,MACpC,YAAMmR,QAAN,YArBJ,EA+BE45B,gBAAA,SAAiBnwB,EAAUqtB,GACzB,IAAMhK,EAAYj+B,KAAKi+B,UACjB+M,EAAgBzqC,OAAOquB,KAAKqP,GAAWjM,QAAO,SAAA3xB,GAClD,IAAM4qC,EAAiBhN,EAAU59B,GACjC,GAAI4qC,EAAeC,KAAK3pC,OAAS0mC,EAC/B,OAAO,EAGT,IAAKgD,EAAeE,SAClB,OAAO,EAGT,IAAM9nB,EAAO4nB,EAAeC,KAC5B,OAAO7nB,EAAK0K,UAAYnT,GAAYA,GAAYyI,EAAKyK,UAEvD,GAA6B,IAAzBkd,EAAczkC,OAChB,OAAO,KAGP,IAAM6kC,EAAkBJ,EAActS,MACtC,OAAOuF,EAAUmN,GAAiBF,MAnDxC,EA8DEG,uBAAA,SAAwBC,EAAkBC,GAAW,IAC/CC,EAAeC,EADgC,OAGnDlrC,OAAOquB,KAAK5uB,KAAKi+B,WAAW97B,SAAQ,SAAA9B,GAClC,IAAM4qC,EAAiB,EAAKhN,UAAU59B,GACtC,IAAgC,IAA5B4qC,EAAeE,SAAmB,CACpC,IAAMO,EAAST,EAAeU,MAAML,GACpC,GAAII,EAAQ,CACVF,EAAgBE,EAAOD,KACvB,IAAK,IAAIxkC,EAAI,EAAGA,EAAIukC,EAAcjlC,OAAQU,IAGxC,GAFAwkC,EAAOD,EAAcvkC,IAE8C,IAA/D,EAAK2kC,eAAeH,EAAK1d,SAAU0d,EAAK3d,OAAQyd,GAAsB,CAExE,EAAKM,eAAeZ,EAAeC,MACnC,aA7Ed,EA0FEY,uBAAA,SAAwBngC,GAAU,WAC5BogC,EAAU/rC,KAAKgsC,eAAergC,GAC9Bs/B,EAAiBjrC,KAAKi+B,UAAU8N,GAChCd,IACFA,EAAeE,UAAW,EAE1B5qC,OAAOquB,KAAK5uB,KAAK8qC,YAAY3oC,SAAQ,SAAAmpC,GACnC,GAAI3/B,EAAS4xB,oBAAoB+N,GAAmB,CAClD,IAAIC,EAAY,EAAKT,WAAWQ,GAGhCL,EAAeU,MAAML,GAAoB,EAAKW,iBAAiBtgC,EAASoiB,SAAUpiB,EAASmiB,OAAQyd,SArG7G,EA2GEU,iBAAA,SAAkBle,EAAUD,EAAQyd,GAIlC,IAHA,IACIlY,EAAWC,EADXkY,EAAgB,GAEhBU,GAAkB,EACbjlC,EAAI,EAAGA,EAAIskC,EAAUhlC,OAAQU,IAAK,CAGzC,GAFAosB,EAAYkY,EAAU5qB,MAAM1Z,GAAKjH,KAAK6qC,cACtCvX,EAAUiY,EAAU9jC,IAAIR,GAAKjH,KAAK6qC,cAC9B9c,GAAYsF,GAAavF,GAAUwF,EAAS,CAG9CkY,EAAc5jC,KAAK,CACjBmmB,SAAU1lB,KAAKslB,IAAII,EAAUwd,EAAU5qB,MAAM1Z,IAC7C6mB,OAAQzlB,KAAK0S,IAAI+S,EAAQyd,EAAU9jC,IAAIR,MAEzC,MACK,GAAI8mB,EAAWuF,GAAWxF,EAASuF,EAGxCmY,EAAc5jC,KAAK,CACjBmmB,SAAU1lB,KAAKslB,IAAII,EAAUwd,EAAU5qB,MAAM1Z,IAC7C6mB,OAAQzlB,KAAK0S,IAAI+S,EAAQyd,EAAU9jC,IAAIR,MAEzCilC,GAAkB,OACb,GAAIpe,GAAUuF,EAEnB,MAIJ,MAAO,CACLoY,KAAMD,EACNW,QAASD,IA1If,EA8IEF,eAAA,SAAgBrgC,GACd,OAAUA,EAASpK,KAAnB,IAA2BoK,EAASoxB,MAApC,IAA6CpxB,EAASmxB,MAAtD,IAA+DnxB,EAASqf,IA/I5E,EAuJEohB,mBAAA,SAAoBX,GAAM,IACpBY,EAAahZ,EAAWC,EADJ,OAEpBgZ,EAAe,KACfC,EAAc,EAgBlB,OAfAhsC,OAAOquB,KAAK5uB,KAAKi+B,WAAW97B,SAAQ,SAAA9B,GAClC,IAAM4qC,EAAiB,EAAKhN,UAAU59B,GAClC,EAAKmsC,UAAUvB,KACjB5X,EAAY4X,EAAeC,KAAKnd,SAAW,EAAK8c,cAChDvX,EAAU2X,EAAeC,KAAKpd,OAAS,EAAK+c,cACxCY,GAAQpY,GAAaoY,GAAQnY,IAE/B+Y,EAAchkC,KAAK0S,IAAI0wB,EAAOpY,EAAWC,EAAUmY,GAC/Cc,GAAeF,IACjBC,EAAerB,EAAeC,KAC9BqB,EAAcF,QAKfC,GA1KX,EAiLEG,SAAA,SAAU9gC,GACR,IAAIogC,EAAU/rC,KAAKgsC,eAAergC,GAC9Bs/B,EAAiBjrC,KAAKi+B,UAAU8N,GAChC1lB,EAAQskB,EAYZ,YAVuBv5B,IAAnB65B,IAIA5kB,EAHG4kB,EAAeE,UAE0B,IAAnCnrC,KAAKwsC,UAAUvB,GAChBN,EAEAA,EAJAA,GAQLtkB,GAhMX,EAmMEmmB,UAAA,SAAWvB,GACT,OAAmC,IAA5BA,EAAeE,gBACa/5B,IAA/B65B,EAAeU,MAAMvsB,QAA8D,IAAvC6rB,EAAeU,MAAMvsB,MAAM+sB,cACvC/6B,IAA/B65B,EAAeU,MAAMtsB,QAA8D,IAAvC4rB,EAAeU,MAAMtsB,MAAM8sB,UAtMhF,EAyMEP,eAAA,SAAgB7d,EAAUD,EAAQyd,GAEhC,IADA,IAAIlY,EAAWC,EACNrsB,EAAI,EAAGA,EAAIskC,EAAUhlC,OAAQU,IAAK,CAGzC,GAFAosB,EAAYkY,EAAU5qB,MAAM1Z,GAAKjH,KAAK6qC,cACtCvX,EAAUiY,EAAU9jC,IAAIR,GAAKjH,KAAK6qC,cAC9B9c,GAAYsF,GAAavF,GAAUwF,EACrC,OAAO,EAGT,GAAIxF,GAAUuF,EAEZ,OAAO,EAIX,OAAO,GAxNX,EA8NEqZ,aAAA,SAAcrqC,GACZ,IAAMsJ,EAAWtJ,EAAEghB,KAGd,YAAgB1X,EAASqf,MAAOrf,EAASghC,cAI9C3sC,KAAKi+B,UAAUj+B,KAAKgsC,eAAergC,IAAa,CAC9Cu/B,KAAMv/B,EACNggC,MAAOprC,OAAO0T,OAAO,MACrBk3B,UAAU,KAzOhB,EAgPEyB,iBAAA,SAAkBvqC,GAAG,WAEnBrC,KAAK8qC,WAAazoC,EAAEyoC,WACpBvqC,OAAOquB,KAAK5uB,KAAK8qC,YAAY3oC,SAAQ,SAAAmpC,GACnC,IAAIC,EAAY,EAAKT,WAAWQ,GAChC,EAAKD,uBAAuBC,EAAkBC,OArPpD,EA4PEsB,eAAA,SAAgBxqC,GACdrC,KAAK8rC,uBAAuBzpC,EAAEghB,OA7PlC,EAqQEypB,YAAA,SAAanhC,GACX,IAAMogC,EAAU/rC,KAAKgsC,eAAergC,GACpC,YAAmCyF,IAA5BpR,KAAKi+B,UAAU8N,IAvQ1B,EA8QEF,eAAA,SAAgBlgC,GACd,IAAIogC,EAAU/rC,KAAKgsC,eAAergC,UAC3B3L,KAAKi+B,UAAU8N,IAhR1B,EAsREgB,mBAAA,WACE/sC,KAAKi+B,UAAY19B,OAAO0T,OAAO,OAvRnC,GAAqCwmB,GCiCtBuS,EAzCM,CAiBnBC,OAAQ,SAAaC,EAAWC,GAM9B,IALA,IAAIC,EAAmB,EACnBC,EAAmBH,EAAK3mC,OAAS,EACjC+mC,EAA8B,KAC9BC,EAA2B,KAExBH,GAAYC,GAAU,CAI3B,IAAIG,EAAmBL,EAFvBI,EAAiBL,EADjBI,GAAgBF,EAAWC,GAAY,EAAI,IAI3C,GAAIG,EAAmB,EACrBJ,EAAWE,EAAe,MACrB,MAAIE,EAAmB,GAG5B,OAAOD,EAFPF,EAAWC,EAAe,GAM9B,OAAO,OCpBEG,EAAb,kCAOSC,WAAP,SAAmBxL,EAAmBtnB,GACpC,IACE,GAAIsnB,EAEF,IADA,IAAIiJ,EAAWjJ,EAAMiJ,SACZlkC,EAAI,EAAGA,EAAIkkC,EAAS5kC,OAAQU,IACnC,GAAI2T,GAAYuwB,EAASxqB,MAAM1Z,IAAM2T,GAAYuwB,EAAS1jC,IAAIR,GAC5D,OAAO,EAIb,MAAO7F,IAKT,OAAO,GAtBX,EAyBSusC,WAAP,SACEzL,EACAlc,EACA4nB,GAOA,IACE,GAAI1L,EAAO,CACT,IAEIj7B,EAFA4mC,EAAY3L,EAAMiJ,SAClBA,EAA8B,GAElC,IAAKlkC,EAAI,EAAGA,EAAI4mC,EAAUtnC,OAAQU,IAChCkkC,EAASvjC,KAAK,CAAE+Y,MAAOktB,EAAUltB,MAAM1Z,GAAIQ,IAAKomC,EAAUpmC,IAAIR,KAGhE,OAAOjH,KAAK8tC,aAAa3C,EAAUnlB,EAAK4nB,IAE1C,MAAOxsC,IAKT,MAAO,CAAEuI,IAAK,EAAGgX,MAAOqF,EAAKve,IAAKue,EAAK+nB,eAAW38B,IAnDtD,EAsDS08B,aAAP,SACE3C,EACAnlB,EACA4nB,GAQAzC,EAAS3b,MAAK,SAAUC,EAAG1K,GACzB,IAAIipB,EAAOve,EAAE9O,MAAQoE,EAAEpE,MACvB,OAAIqtB,GAGKjpB,EAAEtd,IAAMgoB,EAAEhoB,OAIrB,IAAIwmC,EAA+B,GACnC,GAAIL,EAIF,IAAK,IAAI3mC,EAAI,EAAGA,EAAIkkC,EAAS5kC,OAAQU,IAAK,CACxC,IAAIinC,EAAUD,EAAU1nC,OACxB,GAAI2nC,EAAS,CACX,IAAIC,EAAUF,EAAUC,EAAU,GAAGzmC,IAEhC0jC,EAASlkC,GAAG0Z,MAAQwtB,EAAWP,EAK9BzC,EAASlkC,GAAGQ,IAAM0mC,IACpBF,EAAUC,EAAU,GAAGzmC,IAAM0jC,EAASlkC,GAAGQ,KAI3CwmC,EAAUrmC,KAAKujC,EAASlkC,SAI1BgnC,EAAUrmC,KAAKujC,EAASlkC,SAI5BgnC,EAAY9C,EAWd,IARA,IAGIiD,EAHAC,EAAY,EAMZC,EAAsBtoB,EACtBuoB,EAAoBvoB,EACf/e,EAAI,EAAGA,EAAIgnC,EAAU1nC,OAAQU,IAAK,CACzC,IAAI0Z,EAAQstB,EAAUhnC,GAAG0Z,MACvBlZ,EAAMwmC,EAAUhnC,GAAGQ,IAErB,GAAKue,EAAM4nB,GAAoBjtB,GAASqF,EAAMve,EAE5C6mC,EAAc3tB,EAEd0tB,GADAE,EAAY9mC,GACYue,OACnB,GAAKA,EAAM4nB,EAAmBjtB,EAAO,CAC1CytB,EAAkBztB,EAClB,OAGJ,MAAO,CAAEhX,IAAK0kC,EAAW1tB,MAAO2tB,EAAa7mC,IAAK8mC,EAAWR,UAAWK,IA/H5E,EAqISI,8BAAP,SAAqCtM,EAAOlc,EAAKyoB,GAC/C,IAAMC,EAAcxM,EAAQA,EAAMwM,iBAAct9B,EAGhD,GAAIq8B,EAAaC,WAAWxL,EAAOwM,GACjC,OAAO1oB,EAIT,IADA,IAAMmlB,EAAWjJ,EAAMiJ,SACdlkC,EAAI,EAAGA,EAAIkkC,EAAS5kC,OAAQU,IAAK,CACxC,IAAM0Z,EAAQwqB,EAASxqB,MAAM1Z,GAG7B,GAAI0Z,EAAQ+tB,GAAe/tB,EAAQ+tB,EAAcD,EAC/C,OAAOpmC,KAAK+U,KAAa,GAARuD,GAAc,GAInC,OAAOqF,GAvJX,K,sBCfO,SAAS2oB,IACd,OAAQ5kC,OAAeg2B,aAAgBh2B,OAAe6kC,kB,WCAjD,IAAMC,EAAb,Y,QAAA,yD,EAAA,G,EAAA,G,6EAAA,YAMEp8B,QAAA,SAASgB,GAA0C,2BAAxBpN,EAAwB,iCAAxBA,EAAwB,kBACjDrG,KAAK8U,KAAL,MAAA9U,KAAA,CAAUyT,EAAOA,GAAjB,OAA2BpN,KAP/B,GAA8B2N,gBCQxBvS,EAASC,cACTq+B,EAAc4O,KAAoB,CAAE3O,gBAAiB,kBAAM,IAwIlD8O,E,WArIb,WAAapU,EAAKjiB,GAAI,WACpBzY,KAAK06B,IAAMA,EACX16B,KAAKyY,GAAKA,EAEV,IAAMnH,EAAWtR,KAAKsR,SAAW,IAAIu9B,EAC/Bt9B,EAASmpB,EAAInpB,OAEbwoB,EAAiB,SAACC,EAAI3zB,IAC1BA,EAAOA,GAAQ,IACVgd,KAAO,EAAKA,KACjBhd,EAAKoS,GAAK,EAAKA,GACfiiB,EAAIjoB,QAAQunB,EAAI3zB,IAIlBiL,EAASiE,GAAG7C,IAAM7N,eAAgBk1B,GAClCzoB,EAASiE,GAAG7C,IAAM5N,0BAA2Bi1B,GAC7CzoB,EAASiE,GAAG7C,IAAMzN,kBAAmB80B,GACrCzoB,EAASiE,GAAG7C,IAAMxN,YAAa60B,GAC/BzoB,EAASiE,GAAG7C,IAAMnN,MAAOw0B,GACzBzoB,EAASiE,GAAG7C,IAAM1N,sBAAuB+0B,GACzCzoB,EAASiE,GAAG7C,IAAM3N,sBAAuBg1B,GACzCzoB,EAASiE,GAAG7C,IAAMlO,eAAgBu1B,GAElC,IAAMva,EAAgB,CACpBuvB,IAAKhP,EAAYC,gBAAgB,aACjCxd,KAAMud,EAAYC,gBAAgB,cAClCvd,IAAKsd,EAAYC,gBAAgB,4BAI7BhT,EAAStW,UAAUsW,OACzB,GAAIzb,EAAOy9B,cAAqC,oBAAZpV,OAA0B,CAE5D,IAAIqV,EADJ3sC,IAAOrB,IAAI,yBAEX,IACEguC,EAAIjvC,KAAKivC,EAAIC,EAAK,IAClBlvC,KAAKmvC,OAASnvC,KAAKovC,gBAAgB9uC,KAAKN,MACxCivC,EAAE/U,iBAAiB,UAAWl6B,KAAKmvC,QACnCF,EAAEI,QAAU,SAAU57B,GACpBinB,EAAIjoB,QAAQC,IAAMnN,MAAO,CAAEhE,KAAMsE,IAAWy1B,YAAa1oB,QAAS9M,IAAay1B,mBAAoBzoB,OAAO,EAAMW,MAAO,gBAAiBpB,IAAK,CAAEG,QAASiB,EAAMjB,QAAU,KAAOiB,EAAM67B,SAAW,IAAM77B,EAAM87B,OAAS,QAEvNN,EAAEhV,YAAY,CAAEE,IAAK,OAAQ3a,cAAeA,EAAewN,OAAQA,EAAQvU,GAAIA,EAAIlH,OAAQynB,KAAKC,UAAU1nB,KAC1G,MAAOc,GACP/P,IAAOpB,KAAK,mBAAoBmR,GAChC/P,IAAOlB,MAAM,qEACT6tC,GAEFxtC,EAAO63B,IAAIkW,gBAAgBP,EAAEpV,WAE/B75B,KAAKizB,QAAU,IAAID,IAAc1hB,EAAUkO,EAAejO,EAAQyb,GAClEhtB,KAAKivC,OAAI79B,QAGXpR,KAAKizB,QAAU,IAAID,IAAc1hB,EAAUkO,EAAejO,EAAQyb,G,2BAItE7b,QAAA,WACE,IAAI89B,EAAIjvC,KAAKivC,EACb,GAAIA,EACFA,EAAEQ,oBAAoB,UAAWzvC,KAAKmvC,QACtCF,EAAES,YACF1vC,KAAKivC,EAAI,SACJ,CACL,IAAIhc,EAAUjzB,KAAKizB,QACfA,IACFA,EAAQ9hB,UACRnR,KAAKizB,QAAU,MAGnB,IAAM3hB,EAAWtR,KAAKsR,SAClBA,IACFA,EAASkE,qBACTxV,KAAKsR,SAAW,O,EAIpB1J,KAAA,SAAMvB,EAAM+R,EAAajC,EAAYkC,EAAYgL,EAAM/K,EAAUY,EAAoBka,GACnF,IAAM6b,EAAIjvC,KAAKivC,EACTj2B,EAAa,YAAgBqK,EAAK0K,UAAY1K,EAAK0K,SAAW1K,EAAK1C,MACnEnD,EAAc6F,EAAK7F,YACnBmyB,EAAW3vC,KAAKqjB,KAChB6P,IAAkByc,GAAatsB,EAAKsZ,KAAOgT,EAAShT,IACpDxJ,IAAgBwc,GAAatsB,EAAK0Z,QAAU4S,EAAS5S,OACrD6S,EAASD,GAAatsB,EAAK2H,KAAQ2kB,EAAS3kB,GAAK,EACjD/R,GAAcka,GAAeyc,EAUnC,GATI1c,GACF5wB,IAAOrB,IAAOjB,KAAKyY,GAAnB,2BAGE0a,GACF7wB,IAAOrB,IAAOjB,KAAKyY,GAAnB,oBAGFzY,KAAKqjB,KAAOA,EACR4rB,EAEFA,EAAEhV,YAAY,CAAEE,IAAK,QAAS9zB,OAAMmX,cAAapF,cAAajC,aAAYkC,aAAYW,aAAYka,gBAAeC,cAAala,aAAYX,WAAUY,qBAAoBka,kBAAkB/sB,aAAgBwpC,YAAc,CAACxpC,GAAQ,QAC5N,CACL,IAAI4sB,EAAUjzB,KAAKizB,QACfA,GACFA,EAAQrrB,KAAKvB,EAAMmX,EAAapF,EAAajC,EAAYkC,EAAYW,EAAYka,EAAeC,EAAala,EAAYX,EAAUY,EAAoBka,K,EAK7Jgc,gBAAA,SAAiBpV,GACf,IAAI3zB,EAAO2zB,EAAG3zB,KACZq0B,EAAM16B,KAAK06B,IACb,OAAQr0B,EAAKoN,OACb,IAAK,OAEHhS,EAAO63B,IAAIkW,gBAAgBxvC,KAAKivC,EAAEpV,WAClC,MAEF,KAAKnnB,IAAMzN,kBACToB,EAAKA,KAAK8qB,MAAQ,IAAIjpB,WAAW7B,EAAK8qB,OAClC9qB,EAAK+qB,QACP/qB,EAAKA,KAAK+qB,MAAQ,IAAIlpB,WAAW7B,EAAK+qB,QAI1C,QACE/qB,EAAKA,KAAOA,EAAKA,MAAQ,GACzBA,EAAKA,KAAKgd,KAAOrjB,KAAKqjB,KACtBhd,EAAKA,KAAKoS,GAAKzY,KAAKyY,GACpBiiB,EAAIjoB,QAAQpM,EAAKoN,MAAOpN,EAAKA,Q,KCrI5B,SAASypC,EAAY/S,EAAOx7B,EAAMkX,GACvC,OAAQlX,GACR,IAAK,QACEw7B,EAAMgT,gBACThT,EAAMgT,cAAgB,IAExBhT,EAAMgT,cAAcnoC,KAAK6Q,GACzB,MACF,IAAK,OACEskB,EAAMiT,eACTjT,EAAMiT,aAAe,IAEvBjT,EAAMiT,aAAapoC,KAAK6Q,IAKrB,SAASw3B,GAAWhS,EAAWiS,EAASC,GAC7C,IAAIC,EAAWnS,EAAUiS,GAAUG,EAASpS,EAAUkS,GAAQG,EAAYD,EAAOtiB,SAE7E,YAAgBuiB,GAGdH,EAAQD,GACVE,EAAS93B,SAAWg4B,EAAYF,EAASzvB,MACrCyvB,EAAS93B,SAAW,GACtBhW,IAAOpB,KAAP,uCAAmDkvC,EAASplB,GAA5D,UAAwEolB,EAASrT,MAAjF,0EAGFsT,EAAO/3B,SAAW83B,EAASzvB,MAAQ2vB,EAC/BD,EAAO/3B,SAAW,GACpBhW,IAAOpB,KAAP,uCAAmDmvC,EAAOrlB,GAA1D,UAAsEqlB,EAAOtT,MAA7E,yEAMFsT,EAAO1vB,MADLwvB,EAAQD,EACKE,EAASzvB,MAAQyvB,EAAS93B,SAE1BjQ,KAAKslB,IAAIyiB,EAASzvB,MAAQ0vB,EAAO/3B,SAAU,GAKzD,SAASi4B,GAAkB39B,EAASyQ,EAAM0K,EAAUD,EAAQuD,EAAUC,GAE3E,IAAIkf,EAAcziB,EAClB,GAAI,YAAgB1K,EAAK0K,UAAW,CAElC,IAAIuO,EAAWj0B,KAAK0e,IAAI1D,EAAK0K,SAAWA,GACnC,YAAgB1K,EAAKiZ,UAGxBjZ,EAAKiZ,SAAWj0B,KAAKslB,IAAI2O,EAAUjZ,EAAKiZ,UAFxCjZ,EAAKiZ,SAAWA,EAKlBkU,EAAcnoC,KAAKslB,IAAII,EAAU1K,EAAK0K,UACtCA,EAAW1lB,KAAK0S,IAAIgT,EAAU1K,EAAK0K,UACnCD,EAASzlB,KAAKslB,IAAIG,EAAQzK,EAAKyK,QAC/BuD,EAAWhpB,KAAK0S,IAAIsW,EAAUhO,EAAKgO,UACnCC,EAASjpB,KAAKslB,IAAI2D,EAAQjO,EAAKiO,QAGjC,IAAMmf,EAAQ1iB,EAAW1K,EAAK1C,MAC9B0C,EAAK1C,MAAQ0C,EAAK0K,SAAWA,EAC7B1K,EAAKmtB,YAAcA,EACnBntB,EAAKyK,OAASA,EACdzK,EAAKgO,SAAWA,EAChBhO,EAAKiO,OAASA,EACdjO,EAAK/K,SAAWwV,EAASC,EAEzB,IAMI2iB,EAASzS,EAAWh3B,EANlB+jB,EAAK3H,EAAK2H,GAEhB,IAAKpY,GAAWoY,EAAKpY,EAAQyrB,SAAWrT,EAAKpY,EAAQorB,MACnD,OAAO,EAaT,IATA0S,EAAU1lB,EAAKpY,EAAQyrB,SACvBJ,EAAYrrB,EAAQqrB,WAMVyS,GAAWrtB,EAEhBpc,EAAIypC,EAASzpC,EAAI,EAAGA,IACvBgpC,GAAUhS,EAAWh3B,EAAGA,EAAI,GAI9B,IAAKA,EAAIypC,EAASzpC,EAAIg3B,EAAU13B,OAAS,EAAGU,IAC1CgpC,GAAUhS,EAAWh3B,EAAGA,EAAI,GAI9B,OADA2L,EAAQ+9B,UAAW,EACZF,EAGF,SAASG,GAAcC,EAAYC,GAEpCA,EAAW14B,aAAey4B,EAAWz4B,cACvC04B,EAAW14B,YAAcy4B,EAAWz4B,aAKtC,IACI24B,EADAC,EAAW,EAgBf,GAdAC,GAAwBJ,EAAYC,GAAY,SAACI,EAASC,GACxDH,EAAWE,EAAQvU,GAAKwU,EAAQxU,GAC5B,YAAgBuU,EAAQnjB,YAC1BojB,EAAQxwB,MAAQwwB,EAAQpjB,SAAWmjB,EAAQnjB,SAC3CojB,EAAQrjB,OAASojB,EAAQpjB,OACzBqjB,EAAQ74B,SAAW44B,EAAQ54B,SAC3B64B,EAAQC,YAAcF,EAAQE,YAC9BD,EAAQlxB,QAAUixB,EAAQjxB,QAC1B8wB,EAAUI,GAGZL,EAAWH,UAAW,KAGnBG,EAAWH,SAAhB,CAIA,GAAIK,EAAU,CACZ1uC,IAAOrB,IAAI,gEAEX,IADA,IAAMowC,EAAeP,EAAW7S,UACvBh3B,EAAI,EAAGA,EAAIoqC,EAAa9qC,OAAQU,IACvCoqC,EAAapqC,GAAG01B,IAAMqU,EAKtBD,EACFR,GAAiBO,EAAYC,EAASA,EAAQhjB,SAAUgjB,EAAQjjB,OAAQijB,EAAQ1f,SAAU0f,EAAQzf,QAmD/F,SAAwBggB,EAAaC,GAC1C,IAAMxhB,EAAQwhB,EAAYlT,QAAUiT,EAAYjT,QAC1CmT,EAAeF,EAAYrT,UAC3BoT,EAAeE,EAAYtT,UAEjC,GAAIlO,EAAQ,GAAKA,EAAQyhB,EAAajrC,OACpC,OAEF,IAAK,IAAIU,EAAI,EAAGA,EAAIoqC,EAAa9qC,OAAQU,IACvCoqC,EAAapqC,GAAG0Z,OAAS6wB,EAAazhB,GAAOpP,MAvD7C8wB,CAAcZ,EAAYC,GAI5BA,EAAWH,SAAWE,EAAWF,UAuB5B,SAASM,GAAyBK,EAAaC,EAAaG,GACjE,GAAKJ,GAAgBC,EAQrB,IAJA,IAAM5wB,EAAQtY,KAAKslB,IAAI2jB,EAAYjT,QAASkT,EAAYlT,SAAWkT,EAAYlT,QACzE52B,EAAMY,KAAK0S,IAAIu2B,EAAYtT,MAAOuT,EAAYvT,OAASuT,EAAYlT,QACnEtO,EAAQwhB,EAAYlT,QAAUiT,EAAYjT,QAEvCp3B,EAAI0Z,EAAO1Z,GAAKQ,EAAKR,IAAK,CACjC,IAAMiqC,EAAUI,EAAYrT,UAAUlO,EAAQ9oB,GACxCkqC,EAAUI,EAAYtT,UAAUh3B,GACtC,IAAKiqC,IAAYC,EACf,MAEFO,EAAeR,EAASC,EAASlqC,IAiB9B,SAAS0qC,GAAuBC,EAAiBL,EAAaM,GACnE,IAAIC,EAAiB,KAAQP,EAAY1N,sBAAwB0N,EAAY1N,sBAAwB0N,EAAYhT,gBAC3GwT,EAAoBD,EAAiB,EAY3C,OAXIF,GAAmBL,EAAYvT,QAAU4T,EAAgB5T,QAI3D8T,EAAiBC,GAGfF,IACFC,EAAiBzpC,KAAKslB,IAAIokB,EAAmBD,GAAkB/nC,OAAO+oB,YAAYlG,MAAQilB,KAGrFxpC,KAAKC,MAAMwpC,GC/NpB,IAYeE,GAZI,CACjB1sB,SAAU,SAAUqR,GAGlB,IAFA,IAAI11B,EAAM,GACN0I,EAAMgtB,EAAEpwB,OACHU,EAAI,EAAGA,EAAI0C,EAAK1C,IACvBhG,GAAO,IAAM01B,EAAEhW,MAAM1Z,GAAGgrC,QAAQ,GAAK,IAAMtb,EAAElvB,IAAIR,GAAGgrC,QAAQ,GAAK,IAGnE,OAAOhxC,IC+CJ,SAASixC,GAAWC,EAASv/B,GAClCA,EAAQqrB,UAAU97B,SAAQ,SAACkhB,GACzB,GAAIA,EAAM,CACR,IAAI1C,EAAQ0C,EAAK1C,MAAQwxB,EACzB9uB,EAAK1C,MAAQ0C,EAAK0K,SAAWpN,EAC7B0C,EAAKyK,OAASnN,EAAQ0C,EAAK/K,aAG/B1F,EAAQ+9B,UAAW,EAad,SAASyB,GAAazC,EAAU0C,EAAWz/B,IAgB3C,SAA+B+8B,EAAU/8B,EAASy/B,GACvD,GApEK,SAAuC1C,EAAU0C,EAAWz/B,GACjE,IAAI0/B,GAAc,EAMlB,OALID,GAAaA,EAAUz/B,SAAWA,IAChCA,EAAQmrB,MAAQnrB,EAAQwrB,SAAYuR,GAAYA,EAAShT,GAAK/pB,EAAQwrB,WACxEkU,GAAc,GAGXA,EA6DHC,CAA6B5C,EAAU0C,EAAWz/B,GAAU,CAC9D,IAAM4/B,EA1DH,SAAyCC,EAAaC,GAC3D,IAAMC,EAAYF,EAAYxU,UACxB2U,EAAWF,EAAWzU,UAE5B,GAAK2U,EAASrsC,QAAWosC,EAAUpsC,OAAnC,CAKA,IAAMssC,EA9CD,SAA8B5U,EAAWtB,GAG9C,IAFA,IAAImW,EAAY,KAEP7rC,EAAI,EAAGA,EAAIg3B,EAAU13B,OAAQU,GAAK,EAAG,CAC5C,IAAM8rC,EAAc9U,EAAUh3B,GAC9B,GAAI8rC,GAAeA,EAAYpW,KAAOA,EAAI,CACxCmW,EAAYC,EACZ,OAIJ,OAAOD,EAmCeE,CAAoBL,EAAWC,EAAS,GAAGjW,IAEjE,GAAKkW,KAAkBA,GAAkBA,EAAc9kB,UAKvD,OAAO8kB,EAJLvwC,IAAOrB,IAAI,8CAPXqB,IAAOrB,IAAI,yBAqDWgyC,CAA+BZ,EAAUz/B,QAASA,GACpE4/B,IACFlwC,IAAOrB,IAAI,0EACXixC,GAAUM,EAAc7xB,MAAO/N,KApBnCsgC,CAAqBvD,EAAU/8B,EAASy/B,IACnCz/B,EAAQ+9B,UAAY0B,GA6BpB,SAAmBz/B,EAASugC,GACjC,GAAIA,GAAeA,EAAYlV,UAAU13B,OAAQ,CAC/C,IAAKqM,EAAQwgC,qBAAuBD,EAAYC,mBAC9C,OAKF,IAAIC,EAAUF,EAAYlV,UAAU,GAAGzB,gBAGnC2V,GAFSv/B,EAAQqrB,UAAU,GAAGzB,gBAEV6W,GAAW,IAAOF,EAAYlV,UAAU,GAAGtd,MAC/D,YAAgBwxB,KAClB7vC,IAAOrB,IAAP,sDAAiEkxC,EAAQF,QAAQ,IACjFC,GAAUC,EAASv/B,KAvCrB0gC,CAAS1gC,EAASy/B,EAAUz/B,SC5EzB,SAAS2gC,GAAmBtV,EAA4BuV,EAAyB/E,GACtF,GAAiB,OAAb+E,IAAsB5+B,MAAM6+B,QAAQxV,KAAeA,EAAU13B,SAAW,YAAgBitC,GAC1F,OAAO,KAKT,GAAIA,GADavV,EAAU,GAAGzB,iBACF,GAC1B,OAAO,KAIT,GAAIgX,IADWvV,EAAUA,EAAU13B,OAAS,GAAG29B,oBACpB,GACzB,OAAO,KAGTuK,EAAyBA,GAA0B,EACnD,IAAK,IAAIiF,EAAM,EAAGA,EAAMzV,EAAU13B,SAAUmtC,EAAK,CAC/C,IAAIrwB,EAAO4a,EAAUyV,GACrB,GAAIC,GAAuBH,EAAU/E,EAAwBprB,GAC3D,OAAOA,EAIX,OAAO,KAaF,SAASuwB,GAAmBC,EAAwB5V,EAA4BsQ,EAAuBE,QAAqD,IAA5EF,MAAoB,QAAwD,IAArDE,MAAiC,GAC7I,IAAMqF,EAAWD,EAAe5V,EAAU4V,EAAa7oB,GAAgBiT,EAAU,GAAGjT,GAAgB,GAAK,KAEzG,OAAI8oB,IAAaC,GAA4BxF,EAAWE,EAAwBqF,GACvEA,EAEF9G,EAAaC,OAAOhP,EAAW8V,GAA4BzzC,KAAK,KAAMiuC,EAAWE,IAUnF,SAASsF,GAA6BxF,EAAeE,EAA4BuF,QAAqB,IAAhEzF,MAAY,QAAoD,IAAjDE,MAAyB,GAenF,IAAIwF,EAA2B5rC,KAAK0S,IAAI0zB,EAAwBuF,EAAU17B,UAAY07B,EAAU1X,SAAW0X,EAAU1X,SAAW,IAChI,OAAI0X,EAAUrzB,MAAQqzB,EAAU17B,SAAW27B,GAA4B1F,EAC9D,EACEyF,EAAUrzB,MAAQszB,EAA2B1F,GAAayF,EAAUrzB,OAErE,EAGH,EAWF,SAASgzB,GAAwBO,EAAsBzF,EAAgCuF,GAC5F,IAAIC,EAAkI,IAAvG5rC,KAAK0S,IAAI0zB,EAAwBuF,EAAU17B,UAAY07B,EAAU1X,SAAW0X,EAAU1X,SAAW,IAIhI,OAD2B0X,EAAU9P,oBAAsB,GAC/B+P,EAA2BC,ECjGlD,IAKcC,G,WACnB,WAAa5iC,EAAQ2wB,EAAOkS,EAAiB1Z,GAC3C16B,KAAKuR,OAASA,EACdvR,KAAKkiC,MAAQA,EACbliC,KAAKo0C,gBAAkBA,EACvBp0C,KAAK06B,IAAMA,EACX16B,KAAKq0C,WAAa,EAClBr0C,KAAKs0C,eAAgB,EACrBt0C,KAAKu0C,QAAU,KACfv0C,KAAKw0C,OAAQ,EACbx0C,KAAKy0C,SAAU,E,2BASjBC,KAAA,SAAMC,GAAiB,IACbpjC,EAA2BvR,KAA3BuR,OAAQ2wB,EAAmBliC,KAAnBkiC,MAAOqS,EAAYv0C,KAAZu0C,QACf7F,EAAyBxM,EAAzBwM,YAAa+F,EAAYvS,EAAZuS,QACfG,EAAS50C,KAAKy0C,UAAYA,EAC1BI,GAAa70C,KAAKy0C,SAAWA,EAKnC,GAHAz0C,KAAKy0C,QAAUA,EAGX/F,IAAgBiG,GA0BpB,IAVIE,GAAaD,KACf50C,KAAKu0C,QAAU,MAGev0C,KAAKuR,OAA7BujC,sBACoBL,GAAWG,IACrC50C,KAAK+0C,+BAIH7S,EAAM8S,SAAU9S,EAAM+S,OAAgC,IAAvB/S,EAAMgT,cAAuBhT,EAAMiJ,SAAS5kC,OAA/E,CAIA,IAAMonC,EAAaF,EAAaE,WAAWzL,EAAOwM,EAAa,GACzDhB,EAAaC,EAAWhkC,IAAM,EAC9BokC,EAAYJ,EAAWI,WAAa,EAG1C,GAAKL,GAAeK,EAApB,CAIA,GAAI0G,EAAS,CAKX,GAHwB9G,EAAWhkC,IAzEP,KA2EPokC,GAAaA,EAAYW,EA3ElB,GA6E1B,OAGF1uC,KAAKw0C,OAAQ,EAKf,IAAKx0C,KAAKw0C,OAASx0C,KAAKu0C,QAAS,CAE/B,IAAMY,EAAY9sC,KAAKslB,IAAIogB,EAAWJ,EAAWhtB,OAAS,GAAK+tB,EAC/D,GAAIyG,EAAY,GAAKA,GAxFO,EA0F1B,YADAn1C,KAAKo1C,mBAAmB,MAM5B,IAAMC,EAAOrrC,KAAK8oB,YAAYlG,MAC9B,GAAgB,OAAZ2nB,EAAJ,CAKA,IAAMe,EAAkBD,EAAOd,GAC1BE,GAAWa,GAvGqB,KAyGnCt1C,KAAKu1C,aAAa5H,EAAWhkC,KAG/B,IAAM6rC,EAAoB/H,EAAaE,WAAWzL,EAAOwM,EAAan9B,EAAOwf,eAC7E/wB,KAAKy1C,mBAAmBD,EAAmBF,QAXzCt1C,KAAKu0C,QAAUc,SA/Df,GADAr1C,KAAKw0C,OAAQ,EACG,OAAZD,EAAkB,CAEpB,GAAIv0C,KAAKs0C,cAAe,CACtB,IAAMgB,EAAkBtrC,KAAK8oB,YAAYlG,MAAQ2nB,EACjDjyC,IAAOpB,KAAP,+BAA2CwtC,EAA3C,WAAiErmC,KAAKC,MAAMgtC,GAA5E,MACAt1C,KAAKs0C,eAAgB,EAEvBt0C,KAAKu0C,QAAU,KACfv0C,KAAKq0C,WAAa,I,EAuExBU,4BAAA,WACE,IAAM7S,EAAQliC,KAAKkiC,MACbwM,EAAcxM,EAAQA,EAAMwM,iBAAct9B,EACxCq9B,EAA2BzuC,KAAKuR,OAAhCk9B,uBAKFiH,EACJjI,EAAae,8BAA8BtM,EAAOwM,EAAaD,GAEjE,OAAIC,IAAgBgH,IAClBpzC,IAAOrB,IAAP,uDAAkEy0C,GAClExT,EAAMwM,YAAcgH,GACb,I,EAYXD,mBAAA,SAAoB9H,EAAYgI,GAAmB,IACzCpkC,EAAmCvR,KAAnCuR,OAAQ6iC,EAA2Bp0C,KAA3Bo0C,gBACV1F,EADqC1uC,KAAVkiC,MACPwM,YAEpBvC,EAAUiI,EAAgBhI,mBAAmBsC,GACnD,GAAIvC,GAGiBnsC,KAAKo1C,mBAAmBjJ,GAIzC,OAQAwB,EAAWhkC,IAAM4H,EAAOwf,eAC1B4kB,EAAsD,IAAlCpkC,EAAOqkC,2BAC3BtzC,IAAOpB,KAAK,6CAIZlB,KAAKu0C,QAAU,KACfv0C,KAAK61C,oB,EASTN,aAAA,SAAclH,GAAW,IACf3T,EAA8B16B,KAA9B06B,IAAKwH,EAAyBliC,KAAzBkiC,MAAyBliC,KAAlBs0C,gBAGlBt0C,KAAKs0C,eAAgB,EACrBhyC,IAAOpB,KAAP,yBAAqCghC,EAAMwM,YAA3C,sBACAhU,EAAIjoB,QAAQC,IAAMnN,MAAO,CACvBhE,KAAMsE,IAAW8M,YACjBC,QAAS9M,IAAagwC,qBACtBhjC,OAAO,EACPpK,OAAQ2lC,M,EAUd+G,mBAAA,SAAoBjJ,GAKlB,IAL2B,IACnB56B,EAAuBvR,KAAvBuR,OAAQmpB,EAAe16B,KAAf06B,IAAKwH,EAAUliC,KAAVkiC,MACfwM,EAAcxM,EAAMwM,YACtBqH,EAAc,EAET9uC,EAAI,EAAGA,EAAIi7B,EAAMiJ,SAAS5kC,OAAQU,IAAK,CAC9C,IAAMosB,EAAY6O,EAAMiJ,SAASxqB,MAAM1Z,GACvC,GAAIynC,EAAcn9B,EAAOwf,eAAiBglB,GAAerH,EAAcrb,EAAW,CAChF,IAAM2iB,EAAa3tC,KAAKslB,IAAI0F,EAzMG,IAyMkC6O,EAAMwM,YA1MlC,IAwNrC,OAbApsC,IAAOpB,KAAP,6CAAyDwtC,EAAzD,OAA2EsH,GAC3Eh2C,KAAKw0C,OAAQ,EACbx0C,KAAKu0C,QAAU,KACfrS,EAAMwM,YAAcsH,EAChB7J,GACFzR,EAAIjoB,QAAQC,IAAMnN,MAAO,CACvBhE,KAAMsE,IAAW8M,YACjBC,QAAS9M,IAAamwC,sBACtBnjC,OAAO,EACPC,OAAQ,mDAAmD27B,EAArD,OAAuEsH,EAC7E3yB,KAAM8oB,IAGH6J,EAETD,EAAc7T,EAAMiJ,SAAS1jC,IAAIR,GAEnC,OAAO,G,EAOT4uC,gBAAA,WAAmB,IACTtkC,EAAuBvR,KAAvBuR,OAAQmpB,EAAe16B,KAAf06B,IAAKwH,EAAUliC,KAAVkiC,MACfwM,EAAcxM,EAAMwM,YACpB2F,GAAcr0C,KAAKq0C,YAAc,GAAK,EAG5C,GAFAr0C,KAAKq0C,WAAaA,EAEdA,EAAa9iC,EAAO2kC,cAAe,CACrC,IAAMF,EAAatH,EAAc2F,EAAa9iC,EAAO4kC,YAErD7zC,IAAOpB,KAAP,8BAA0CwtC,EAA1C,OAA4DsH,GAC5D9T,EAAMwM,YAAcsH,EAEpBtb,EAAIjoB,QAAQC,IAAMnN,MAAO,CACvBhE,KAAMsE,IAAW8M,YACjBC,QAAS9M,IAAaswC,sBACtBtjC,OAAO,SAGTxQ,IAAOlB,MAAP,yDAAsEstC,EAAtE,UAA2Fn9B,EAAO2kC,cAAlG,WACAxb,EAAIjoB,QAAQC,IAAMnN,MAAO,CACvBhE,KAAMsE,IAAW8M,YACjBC,QAAS9M,IAAagwC,qBACtBhjC,OAAO,K,qIChOMujC,G,oBAMnB,WAAa3b,GAA+B,6BAAlBtmB,EAAkB,iCAAlBA,EAAkB,yBAC1C,uBAAMsmB,GAAN,OAActmB,KAAd,MANekiC,gBAK2B,IAJpCC,WAA4B,KAIQ,EAHpCC,cAA+B,KAGK,EAFpCC,eAAiB,EAIvB,EAAKH,WAAa,EAAKI,KAAKp2C,KAAV,OAFwB,E,kHAQlCy6B,oBAAV,WAEE/6B,KAAK22C,gBACL32C,KAAK42C,iB,EAMAC,YAAP,WACE,QAAS72C,KAAKw2C,e,EAMTM,YAAP,WACE,QAAS92C,KAAKu2C,Y,EAOTQ,YAAP,SAAoBC,GAClB,OAAKh3C,KAAKw2C,gBACRx2C,KAAKw2C,cAAgBxsC,KAAK+sC,YAAY/2C,KAAKs2C,WAAYU,IAChD,I,EAQJJ,cAAP,WACE,QAAI52C,KAAKw2C,gBACPxsC,KAAK4sC,cAAc52C,KAAKw2C,eACxBx2C,KAAKw2C,cAAgB,MACd,I,EAQJG,cAAP,WACE,QAAI32C,KAAKu2C,aACPvsC,KAAKitC,aAAaj3C,KAAKu2C,YACvBv2C,KAAKu2C,WAAa,MACX,I,EAUJG,KAAP,WACE12C,KAAKy2C,iBACuB,IAAxBz2C,KAAKy2C,iBACPz2C,KAAKk3C,SAGDl3C,KAAKy2C,eAAiB,IAExBz2C,KAAK22C,gBACL32C,KAAKu2C,WAAavsC,KAAKmtC,WAAWn3C,KAAKs2C,WAAY,IAErDt2C,KAAKy2C,eAAiB,I,EAQhBS,OAAV,a,GA9FoCzc,GC3B/B,IAAM2c,GACF,UADEA,GAED,WAFCA,GAGL,OAHKA,GAIH,SAJGA,GAKE,cALFA,GAMG,eANHA,GAOiB,6BAPjBA,GAQI,gBARJA,GASF,UATEA,GAUH,SAVGA,GAWM,kBAXNA,GAYJ,QAZIA,GAaJ,QAbIA,GAcO,mBAdPA,GAeI,gBAGIC,G,wLACnBH,OAAA,a,EAEAI,UAAA,a,EAEAC,SAAA,WACE,IAAIl0B,EAAOrjB,KAAKw3C,YACZn0B,IACEA,EAAK4Z,QACP5Z,EAAK4Z,OAAOiJ,QAEdlmC,KAAKo0C,gBAAgBvI,eAAexoB,IAElCrjB,KAAKizB,UACPjzB,KAAKizB,QAAQ9hB,UACbnR,KAAKizB,QAAU,MAEjBjzB,KAAKw3C,YAAc,KACnBx3C,KAAK6zC,aAAe,KACpB7zC,KAAK42C,gBACL52C,KAAK22C,gBACL32C,KAAKqmB,MAAQ+wB,I,EAGfK,aAAA,SAAc9J,EAAYzF,GAAc,IAC9BsP,EAAiCx3C,KAAjCw3C,YAAapD,EAAoBp0C,KAApBo0C,gBAKrB,IAAKlM,EAAahK,MAAQsZ,IAAgBA,EAAYpG,aAAeoG,EAAYxsB,KAAOkd,EAAalK,QAAU2P,EAAWI,UAAW,CACnI,IAAM2J,EAAYtD,EAAgB3H,SAAS+K,GAC3C,OAAOE,IAAc/M,GAAyB+M,IAAc/M,EAE9D,OAAO,G,EAGTgN,eAAA,WAAkB,IACRpmC,EAAsCvR,KAAtCuR,OAAQ2wB,EAA8BliC,KAA9BkiC,MAAO0V,EAAuB53C,KAAvB43C,YAAavxB,EAAUrmB,KAAVqmB,MAC9BqoB,EAAcxM,EAAQA,EAAMwM,YAAc,KAC1Cf,EAAaF,EAAaE,WAAWiK,GAAe1V,EAAOwM,EAAa1uC,KAAKuR,OAAOwf,eAM1F,GAJI,YAAgB2d,IAClBpsC,IAAOrB,IAAP,oBAA+BytC,EAAYuD,QAAQ,IAGjD5rB,IAAU+wB,GAAoB,CAChC,IAAII,EAAcx3C,KAAKw3C,YAEvB,GAAuB,IAAnB7J,EAAWhkC,KAAa6tC,EAAa,CACvC,IAAMK,EAAYtmC,EAAOk9B,uBACnBqJ,EAAkBN,EAAY72B,MAAQk3B,EACtCE,EAAgBP,EAAY72B,MAAQ62B,EAAYl/B,SAAWu/B,EAE7DnJ,EAAcoJ,GAAmBpJ,EAAcqJ,GAC7CP,EAAYva,SACd36B,IAAOrB,IAAI,mFACXu2C,EAAYva,OAAOiJ,SAErBlmC,KAAKw3C,YAAc,KACnBx3C,KAAK6zC,aAAe,KAEpB7zC,KAAKqmB,MAAQ+wB,IAEb90C,IAAOrB,IAAI,8EAGNolB,IAAU+wB,KAEI,IAAnBzJ,EAAWhkC,MACb3J,KAAK6zC,aAAe,KACpB7zC,KAAKw3C,YAAc,MAIrBx3C,KAAKqmB,MAAQ+wB,IAEXlV,IACFliC,KAAK20C,gBAAkBjG,GAIpB1uC,KAAKg4C,iBACRh4C,KAAKi4C,iBAAmBj4C,KAAKk4C,cAAgBxJ,GAI/C1uC,KAAK02C,Q,EAGPyB,aAAA,WAEEn4C,KAAKk4C,cAAgBl4C,KAAK20C,gBAAkB,G,EAG9C5Z,oBAAA,WACE/6B,KAAKu3C,WACL,YAAMxc,oBAAN,Y,EAGFE,mBAAA,WACEj7B,KAAKqmB,MAAQ+wB,GACbp3C,KAAKo0C,gBAAkB,M,EAGzBgE,oBAAA,SAAqBjG,EAASjK,GAC5B,IAAImQ,OAAiDjnC,IAAjCpR,KAAKuR,OAAO+mC,iBAAiCt4C,KAAKuR,OAAO+mC,iBAAmBt4C,KAAKuR,OAAOgnC,sBAAwBrQ,EAAa3J,eACjJ,OAAO4T,EAAU9pC,KAAKslB,IAAI,EAAGua,EAAa1J,cAAgB6Z,I,GA3GZhC,I,uKCHlD,IAozCemC,G,oBAjzCb,WAAa9d,EAAK0Z,GAAiB,aACjC,cAAM1Z,EACJhoB,IAAMjQ,eACNiQ,IAAMhQ,gBACNgQ,IAAMtP,iBACNsP,IAAMpP,gBACNoP,IAAMhP,aACNgP,IAAMhN,WACNgN,IAAM9N,YACN8N,IAAM/N,4BACN+N,IAAM5N,0BACN4N,IAAMzN,kBACNyN,IAAMxN,YACNwN,IAAMnN,MACNmN,IAAM3O,sBACN2O,IAAM1O,qBACN0O,IAAM5P,eACN4P,IAAM1P,gBACN0P,IAAMvP,iBAjBR,MAmBKixC,gBAAkBA,EACvB,EAAK7iC,OAASmpB,EAAInpB,OAClB,EAAKknC,gBAAiB,EACtB,EAAKC,OAAStB,GACd,EAAK9C,eAAgB,EACrB,EAAKqE,cAAgB,KACrB,EAAKC,UAAW,EA1BiB,E,wHA6BnCtB,UAAA,SAAWY,GACT,GAAIl4C,KAAKkhC,OAAQ,CACf,IAAIyT,EAAkB30C,KAAK20C,gBAAiBja,EAAM16B,KAAK06B,IAKvD,GAJA16B,KAAKu3C,WACLv3C,KAAK+2C,YApCW,KAqChB/2C,KAAK+8B,OAAS,EACd/8B,KAAK64C,cAAgB,GAChB74C,KAAK84C,mBAAoB,CAE5B,IAAIC,EAAare,EAAIqe,YACD,IAAhBA,IAEFA,EAAa,EACb/4C,KAAK2sC,aAAc,GAIrB3sC,KAAK+8B,MAAQrC,EAAIse,cAAgBD,EACjC/4C,KAAKg4C,gBAAiB,EAGpBrD,EAAkB,IAAwB,IAAnBuD,IACzB51C,IAAOrB,IAAP,gDAA2D0zC,EAAgB1C,QAAQ,IACnFiG,EAAgBvD,GAElB30C,KAAKqmB,MAAQ+wB,GACbp3C,KAAKi4C,iBAAmBj4C,KAAKk4C,cAAgBl4C,KAAK20C,gBAAkBuD,EACpEl4C,KAAK02C,YAEL12C,KAAKi5C,gBAAiB,EACtBj5C,KAAKqmB,MAAQ+wB,I,EAIjBG,SAAA,WACEv3C,KAAKi5C,gBAAiB,EACtB,YAAM1B,SAAN,Y,EAGFL,OAAA,WACE,OAAQl3C,KAAKqmB,OACb,KAAK+wB,GAEHp3C,KAAK64C,cAAgB,EACrB,MACF,KAAKzB,GACHp3C,KAAKk5C,cACL,MACF,KAAK9B,GACH,IAAIra,EAAQ/8B,KAAKkhC,OAAOlhC,KAAK+8B,OAEzBA,GAASA,EAAMnqB,UACjB5S,KAAKqmB,MAAQ+wB,IAGf,MACF,KAAKA,GACH,IAAIxqB,EAAM7iB,OAAO+oB,YAAYlG,MACzBusB,EAAYn5C,KAAKm5C,YAEhBA,GAAcvsB,GAAOusB,GAAen5C,KAAKkiC,OAASliC,KAAKkiC,MAAMuS,WAChEnyC,IAAOrB,IAAI,iEACXjB,KAAKqmB,MAAQ+wB,IAcjBp3C,KAAKo5C,eAELp5C,KAAKq5C,yB,EAMPH,YAAA,WACE,IAAMxe,EAAM16B,KAAK06B,IACfnpB,EAASmpB,EAAInpB,OACb2wB,EAAQliC,KAAKkiC,MAKf,QAA6B9wB,IAAzBpR,KAAKs5C,kBACNpX,IAAUliC,KAAK84C,oBAAuBvnC,EAAOgoC,mBADhD,CAMA,IAAIvzB,EAEFA,EADEhmB,KAAKg4C,eACD9V,EAAMwM,YAEN1uC,KAAKi4C,iBAIb,IAAIlb,EAAQrC,EAAIse,cACdQ,EAAYx5C,KAAKkhC,OAAOnE,GAE1B,GAAKyc,EAAL,CAIA,IACEC,EADEC,EAAeF,EAAU7X,QAK3B8X,EADEC,EACUrxC,KAAKslB,IAAI,EAAIpc,EAAOooC,cAAgBD,EAAcnoC,EAAOqoC,iBAEzDroC,EAAOqoC,gBAGrBH,EAAYpxC,KAAK0S,IAAI0+B,EAAWloC,EAAOsoC,oBAKvC,IAAMlM,EAAaF,EAAaE,WAAW3tC,KAAK43C,YAAc53C,KAAK43C,YAAc1V,EAAOlc,EAAKzU,EAAOwf,eAClGsd,EAAYV,EAAWhkC,IAEzB,KAAI0kC,GAAaoL,GAAjB,CAKAn3C,IAAOvB,MAAP,oBAAiCstC,EAAU4D,QAAQ,GAAnD,oBAAyEwH,EAAUxH,QAAQ,GAA3F,mCAGAjyC,KAAK+8B,MAAQrC,EAAIse,cAAgBjc,EAEjC,IAAMmL,EAAesR,EAAU5mC,QAI/B,IAAKs1B,GAAiBA,EAAahK,MAAQl+B,KAAKs5C,kBAAoBvc,EAClE/8B,KAAKqmB,MAAQ+wB,OADf,CAKA,GAAIp3C,KAAKy3C,aAAa9J,EAAYzF,GAAe,CAC/C,IAAM7hC,EAAO,GAOb,OANIrG,KAAK44C,WACPvyC,EAAK9E,KAAO,SAGdvB,KAAK06B,IAAIjoB,QAAQC,IAAMzP,WAAYoD,QACnCrG,KAAKqmB,MAAQ+wB,IAIfp3C,KAAK85C,mBAAmB9zB,EAAK2nB,EAAYzF,Q,EAG3C4R,mBAAA,SAAoB9zB,EAAK2nB,EAAYzF,GACnC,IAAM2L,EAAe7zC,KAAK6zC,aACxB9W,EAAQ/8B,KAAK+8B,MACbkB,EAAYiK,EAAajK,UACzB8b,EAAU9b,EAAU13B,OAGtB,GAAgB,IAAZwzC,EAAJ,CAKA,IAGE12B,EAHE1C,EAAQsd,EAAU,GAAGtd,MACvBlZ,EAAMw2B,EAAU8b,EAAU,GAAGp5B,MAAQsd,EAAU8b,EAAU,GAAGzhC,SAC5Di2B,EAAYZ,EAAWlmC,IAGzB,GAAIygC,EAAa9vB,cAAgB8vB,EAAa9vB,YAAY/R,KACxDgd,EAAO6kB,EAAa9vB,iBAGpB,GAAI8vB,EAAahK,KAAM,CACrB,IAAI8b,EAA0Bh6C,KAAKuR,OAAOyoC,wBAC1C,GAAID,EAAUC,EAEZ,YADA13C,IAAOpB,KAAP,mEAA+E64C,EAA/E,MAA4FC,GAM9F,GAAa,QAFb32B,EAAOrjB,KAAKi6C,2BAA2B/R,EAAcqG,EAAW5tB,EAAOlZ,EAAKosC,EAAc5V,EAAW8b,IAGnG,YAIExL,EAAY5tB,IACd0C,EAAO4a,EAAU,IAIlB5a,IACHA,EAAOrjB,KAAKk6C,cAAcv5B,EAAOkzB,EAAckG,EAAS9b,EAAWsQ,EAAW9mC,EAAKygC,IAGjF7kB,IACEA,EAAK82B,WACP73C,IAAOrB,IAAP,mBAA8BoiB,EAAK2H,GAAnC,QAA6Ckd,EAAa7J,QAA1D,KAAsE6J,EAAalK,MAAnF,WAAmGjB,GACnG/8B,KAAKo6C,SAAS/2B,KAEd/gB,IAAOrB,IAAP,WAAsBoiB,EAAK2H,GAA3B,QAAqCkd,EAAa7J,QAAlD,KAA8D6J,EAAalK,MAA3E,WAA2FjB,EAA3F,iBAAiH/W,EAAIisB,QAAQ,GAA7H,cAA6I1D,EAAU0D,QAAQ,IAC/JjyC,KAAKq6C,cAAch3B,O,EAKzB42B,2BAAA,SAA4B/R,EAAcqG,EAAW5tB,EAAOlZ,EAAKosC,EAAc5V,EAAW8b,GACxF,IAEI12B,EAFE9R,EAASvR,KAAK06B,IAAInpB,OAAQ2wB,EAAQliC,KAAKkiC,MAMzCoY,OAA+ClpC,IAAlCG,EAAOgpC,uBAAuChpC,EAAOgpC,uBAAyBhpC,EAAOipC,4BAA8BtS,EAAa3J,eAEjJ,GAAIgQ,EAAYlmC,KAAKslB,IAAIhN,EAAQpP,EAAOk9B,uBAAwBhnC,EAAM6yC,GAAa,CACjF,IAAIG,EAAmBz6C,KAAKy6C,iBAAmBz6C,KAAKo4C,oBAAoBz3B,EAAOunB,GAC/EqG,EAAYkM,EACRvY,IAAUA,EAAM8S,QAAU9S,EAAMwY,YAAcxY,EAAM5pB,SAAWmiC,GAAoBA,EAAmBvY,EAAMwM,cAC9GpsC,IAAOrB,IAAP,eAA0BstC,EAAU0D,QAAQ,GAA5C,qFAAmIwI,EAAiBxI,QAAQ,IAC5J/P,EAAMwM,YAAc+L,GAGtBz6C,KAAKi4C,iBAAmBwC,EAa1B,GAAIvS,EAAayI,UAAYpC,EAAY9mC,GAAOy6B,GAASA,EAAMwY,WAC7D,OAAO,KAGT,GAAI16C,KAAK84C,qBAAuB5Q,EAAayI,SAAU,CAKrD,GAAIkD,EACF,GAAI3L,EAAakL,mBAEf9wC,IAAOrB,IAAP,+DAA0E4yC,EAAarX,iBACvFnZ,EAAOkwB,GAAkBtV,EAAW4V,EAAa3P,mBAAoB3yB,EAAOk9B,4BACvE,CAEL,IAAMkM,EAAW9G,EAAa7oB,GAAK,EACnC,GAAI2vB,GAAYzS,EAAa7J,SAAWsc,GAAYzS,EAAalK,MAAO,CACtE,IAAM8V,EAAW7V,EAAU0c,EAAWzS,EAAa7J,SAC/CwV,EAAalX,KAAOmX,EAASnX,KAC/BtZ,EAAOywB,EACPxxC,IAAOrB,IAAP,8DAAyEoiB,EAAK2H,KAK7E3H,IACHA,EAAO2pB,EAAaC,OAAOhP,GAAW,SAAU5a,GAC9C,OAAOwwB,EAAalX,GAAKtZ,EAAKsZ,QAG9Br6B,IAAOrB,IAAP,8DAAyEoiB,EAAK2H,IAKjF3H,IAIHA,EAAO4a,EAAU51B,KAAK0S,IAAIg/B,EAAU,EAAG1xC,KAAKC,MAAMyxC,EAAU,KAC5Dz3C,IAAOrB,IAAP,kEAA6EoiB,EAAK2H,KAItF,OAAO3H,G,EAGT62B,cAAA,SAAev5B,EAAOi6B,EAAkBC,EAAoB5c,EAAWsQ,EAAW9mC,EAAKygC,GACrF,IACI4S,EADEvpC,EAASvR,KAAK06B,IAAInpB,OAGpBg9B,EAAY9mC,EAIdqzC,EAAelH,GAAkBgH,EAAkB3c,EAAWsQ,EAHrCA,EAAY9mC,EAAM8J,EAAOk9B,uBAA0B,EAAIl9B,EAAOk9B,wBAMvFqM,EAAe7c,EAAU4c,EAAqB,GAGhD,GAAIC,EAAc,CAChB,IAAMC,EAAWD,EAAa9vB,GAAKkd,EAAa7J,QAC1C2c,EAAYJ,GAAoBE,EAAa/d,QAAU6d,EAAiB7d,MACxEke,EAAahd,EAAU8c,EAAW,GAClCG,EAAajd,EAAU8c,EAAW,GAGxC,GAAIH,GAAoBE,EAAa9vB,KAAO4vB,EAAiB5vB,GAC3D,GAAIgwB,IAAcF,EAAa1J,YAC7B,GAAI0J,EAAa9vB,GAAKkd,EAAalK,MAAO,CACxC,IAAI1B,EAAWse,EAAiBte,SAK5BA,GAAYA,EAAW/qB,EAAOwf,eAAiB6pB,EAAiB36B,SAAW86B,GAC7ED,EAAeG,EACf34C,IAAOpB,KAAK,4KAEZ45C,EAAeI,EACf54C,IAAOrB,IAAP,gCAA2C65C,EAAa9vB,UAG1D8vB,EAAe,UAERA,EAAa1J,cAElB8J,GAAcA,EAAW9J,aAC3B9uC,IAAOpB,KAAP,qCAAiDg6C,EAAWlwB,GAA5D,oCAAkG8vB,EAAa9vB,GAA/G,sBAAuIkwB,EAAWlwB,IAClJ8vB,EAAeI,IAIf54C,IAAOpB,KAAK,kFACZ45C,EAAa76B,QAAU,EACnBg7B,GACFH,EAAeG,GACF7J,aAAc,EAClB2J,IAETD,EAAe,QAOzB,OAAOA,G,EAGTV,SAAA,SAAU/2B,GACRrjB,KAAKqmB,MAAQ+wB,GACbp3C,KAAK06B,IAAIjoB,QAAQC,IAAMjN,YAAa,CAAE4d,U,EAGxCg3B,cAAA,SAAeh3B,GAEb,IAAIq0B,EAAY13C,KAAKo0C,gBAAgB3H,SAASppB,GAE9CrjB,KAAKw3C,YAAcn0B,EACH,gBAAZA,EAAK2H,KACPhrB,KAAK84C,oBAAqB,GAGxB,YAAgBz1B,EAAK2H,MAAQ3H,EAAKspB,cACpC3sC,KAAKi4C,iBAAmB50B,EAAK1C,MAAQ0C,EAAK/K,UAIxC+K,EAAK+tB,aAAesG,IAAc/M,GAA4B+M,IAAc/M,GAC9EtnB,EAAK83B,UAAYn7C,KAAK06B,IAAI0gB,iBAC1B/3B,EAAKspB,YAAc3sC,KAAK2sC,YAExB3sC,KAAK06B,IAAIjoB,QAAQC,IAAMjO,aAAc,CAAE4e,SAElCrjB,KAAKizB,UACRjzB,KAAKizB,QAAU,IAAI6b,EAAQ9uC,KAAK06B,IAAK,SAGvC16B,KAAKqmB,MAAQ+wB,IACJM,IAAc/M,GAEnB3qC,KAAKq7C,uBAAuBh4B,EAAK/K,WACnCtY,KAAKo0C,gBAAgBvI,eAAexoB,I,EAkB1C0nB,gBAAA,SAAiBnwB,GACf,OAAO5a,KAAKo0C,gBAAgBrJ,gBAAgBnwB,EAAU2f,EAAkBmK,O,EAwB1E4W,sBAAA,SAAuBj4B,GACrB,OAAIA,EAEKrjB,KAAK+qC,gBAAgB1nB,EAAKyK,OAAS,IAErC,M,EAYTurB,sBAAA,WACE,IAAIkC,EAAoB7M,EAAatvB,EAAQpf,KAAKkiC,MAClD,GAAI9iB,GAASA,EAAMs7B,aAAgC,IAAlBt7B,EAAMq1B,WACrC/F,EAActvB,EAAMsvB,aAOF1uC,KAAK20C,kBACrB30C,KAAK20C,gBAAkBjG,GAGrBjB,EAAaC,WAAWtuB,EAAOsvB,GACjC6M,EAAqBv7C,KAAK+qC,gBAAgB2D,GACjCjB,EAAaC,WAAWtuB,EAAOsvB,EAAc,MAMtD6M,EAAqBv7C,KAAK+qC,gBAAgB2D,EAAc,KAEtD6M,GAAoB,CACtB,IAAIC,EAAcD,EAClB,GAAIC,IAAgBx7C,KAAKw7C,YAAa,CACpCx7C,KAAK06B,IAAIjoB,QAAQC,IAAMtN,aAAc,CAAEie,KAAMm4B,IAC7C,IAAMC,EAAmBD,EAAYze,MAChC/8B,KAAKw7C,aAAex7C,KAAKw7C,YAAYze,QAAU0e,GAClDz7C,KAAK06B,IAAIjoB,QAAQC,IAAMlP,eAAgB,CAAEu5B,MAAO0e,IAGlDz7C,KAAKw7C,YAAcA,K,EAY3BE,qBAAA,WAEE,GADAp5C,IAAOrB,IAAI,yBACNjB,KAAK27C,gBAAiB,CACzB37C,KAAK27C,iBAAkB,EACvB,IAAwBC,EAApB1Z,EAAQliC,KAAKkiC,MACbA,GACF0Z,EAAmB1Z,EAAM8S,OACzB9S,EAAM2Z,SAGND,GAAmB,EAErB57C,KAAK47C,iBAAmBA,EAE1B,IAAIpE,EAAcx3C,KAAKw3C,YACnBA,GAAeA,EAAYva,QAC7Bua,EAAYva,OAAOiJ,QAGrBlmC,KAAKw3C,YAAc,KAEnBx3C,KAAK87C,gBAAgB,EAAG91C,OAAO+1C,oB,EAQjCC,wBAAA,WACE,IAAM9Z,EAAQliC,KAAKkiC,MACfA,GAASA,EAAMiJ,SAAS5kC,SAC1BvG,KAAK27C,iBAAkB,EACnBlO,EAAaC,WAAWxL,EAAOA,EAAMwM,eAEvCxM,EAAMwM,aAAe,MAElB1uC,KAAK47C,kBACR1Z,EAAM+Z,S,EAWZC,gBAAA,WACE,IAAMha,EAAQliC,KAAKkiC,MAEnB,GAAIA,GAASA,EAAMwY,WAAY,CAC7B,IAAIyB,EAAYZ,EAAoBa,EAOpC,IANAb,EAAqBv7C,KAAK+qC,gBAAgB7I,EAAMwM,eACtB6M,EAAmBxtB,SAAW,GAGtD/tB,KAAK87C,gBAAgB,EAAGP,EAAmBxtB,SAAW,GAEnDmU,EAAM8S,OASTmH,EAAa,MATI,CAEjB,IAAIE,EAAcr8C,KAAK06B,IAAIse,cAAesD,EAAYt8C,KAAKkhC,OAAOmb,GAAcE,EAAev8C,KAAKu8C,aAElGJ,EADEI,GAAgBv8C,KAAKw3C,YACVx3C,KAAKw3C,YAAYl/B,SAAWgkC,EAAU3a,SAAW,IAAO4a,GAAgB,EAExE,EAQjB,IADAH,EAAmBp8C,KAAK+qC,gBAAgB7I,EAAMwM,YAAcyN,MAG1DC,EAAmBp8C,KAAKs7C,sBAAsBc,IACxB,CAEpB,IAAI5E,EAAcx3C,KAAKw3C,YACnBA,GAAeA,EAAYva,QAC7Bua,EAAYva,OAAOiJ,QAGrBlmC,KAAKw3C,YAAc,KAInBx3C,KAAK87C,gBAAgBM,EAAiB5L,YAAaxqC,OAAO+1C,sB,EAMlED,gBAAA,SAAiBU,EAAaC,GAC5Bz8C,KAAKqmB,MAAQ+wB,GACb,IAAIsF,EAAa,CAAEF,YAAaA,EAAaC,UAAWA,GAEpDz8C,KAAK44C,WACP8D,EAAWn7C,KAAO,SAGpBvB,KAAK06B,IAAIjoB,QAAQC,IAAMxP,gBAAiBw5C,I,EAG1CC,gBAAA,SAAiBt2C,GACf,IAAI67B,EAAQliC,KAAKkiC,MAAQliC,KAAK43C,YAAcvxC,EAAK67B,MACjDliC,KAAK48C,WAAa58C,KAAK23C,eAAer3C,KAAKN,MAC3CA,KAAK68C,UAAY78C,KAAK88C,cAAcx8C,KAAKN,MACzCA,KAAK+8C,SAAW/8C,KAAKm4C,aAAa73C,KAAKN,MACvCkiC,EAAMhI,iBAAiB,UAAWl6B,KAAK48C,YACvC1a,EAAMhI,iBAAiB,SAAUl6B,KAAK68C,WACtC3a,EAAMhI,iBAAiB,QAASl6B,KAAK+8C,UACrC,IAAIxrC,EAASvR,KAAKuR,OACdvR,KAAKkhC,QAAU3vB,EAAOyrC,eACxBh9C,KAAK06B,IAAI4c,UAAU/lC,EAAO2mC,eAG5Bl4C,KAAK24C,cAAgB,IAAIxE,GAAc5iC,EAAQ2wB,EAAOliC,KAAKo0C,gBAAiBp0C,KAAK06B,M,EAGnFuiB,iBAAA,WACE,IAAI/a,EAAQliC,KAAKkiC,MACbA,GAASA,EAAM+S,QACjB3yC,IAAOrB,IAAI,sDACXjB,KAAKk4C,cAAgBl4C,KAAK20C,gBAAkB,GAI9C,IAAIzT,EAASlhC,KAAKkhC,OACdA,GACFA,EAAO/+B,SAAQ,SAAA46B,GACTA,EAAMnqB,SACRmqB,EAAMnqB,QAAQqrB,UAAU97B,SAAQ,SAAAwJ,GAC9BA,EAASylC,iBAAchgC,QAO3B8wB,IACFA,EAAMuN,oBAAoB,UAAWzvC,KAAK48C,YAC1C1a,EAAMuN,oBAAoB,SAAUzvC,KAAK68C,WACzC3a,EAAMuN,oBAAoB,QAASzvC,KAAK+8C,UACxC/8C,KAAK48C,WAAa58C,KAAK68C,UAAY78C,KAAK+8C,SAAW,MAGrD/8C,KAAKo0C,gBAAgBrH,qBACrB/sC,KAAKkiC,MAAQliC,KAAK43C,YAAc,KAChC53C,KAAKg4C,gBAAiB,EACtBh4C,KAAKu3C,Y,EAGPuF,cAAA,WACE,IAAM5a,EAAQliC,KAAKkiC,MACbwM,EAAcxM,EAAQA,EAAMwM,iBAAct9B,EAChBpR,KAAKuR,OAA7BujC,qBAGqB90C,KAAK24C,cAAc5D,+BAC9C/0C,KAAK06B,IAAIjoB,QAAQC,IAAM9M,qBAGrB,YAAgB8oC,IAClBpsC,IAAOrB,IAAP,mBAA8BytC,EAAYuD,QAAQ,IAIpDjyC,KAAK02C,Q,EAGPrR,kBAAA,WAEE/iC,IAAOrB,IAAI,wBACXjB,KAAK06B,IAAIjoB,QAAQC,IAAM9P,cACvB5C,KAAKo0C,gBAAgBrH,qBACrB/sC,KAAKu0C,SAAU,EACfv0C,KAAKk4C,cAAgBl4C,KAAK20C,gBAAkB,G,EAG9CuI,iBAAA,SAAkB72C,GAChB,IAAgC2Q,EAA5BmmC,GAAM,EAAOC,GAAQ,EACzB/2C,EAAK66B,OAAO/+B,SAAQ,SAAA46B,IAElB/lB,EAAQ+lB,EAAM5mB,eAEwB,IAAhCa,EAAM3N,QAAQ,eAChB8zC,GAAM,IAG4B,IAAhCnmC,EAAM3N,QAAQ,eAChB+zC,GAAQ,OAIdp9C,KAAKq9C,iBAAoBF,GAAOC,EAC5Bp9C,KAAKq9C,kBACP/6C,IAAOrB,IAAI,0EAGbjB,KAAK44C,SAAWvyC,EAAKuyC,SACrB54C,KAAKkhC,OAAS76B,EAAK66B,OACnBlhC,KAAK84C,oBAAqB,EAC1B,IAAIvnC,EAASvR,KAAKuR,QACdA,EAAOyrC,eAAiBh9C,KAAKi5C,iBAC/Bj5C,KAAK06B,IAAI4c,UAAU/lC,EAAO2mC,gB,EAI9BoF,cAAA,SAAej3C,GACb,IAAMyqC,EAAazqC,EAAKuM,QAClB2qC,EAAal3C,EAAK02B,MAClBsV,EAAYryC,KAAKkhC,OAAOlhC,KAAKs5C,iBAC7BkE,EAAWx9C,KAAKkhC,OAAOqc,GACvBjlC,EAAWw4B,EAAWtS,cACxB2T,EAAU,EAId,GAFA7vC,IAAOrB,IAAP,SAAoBs8C,EAApB,YAA0CzM,EAAWzS,QAArD,IAAgEyS,EAAW9S,MAA3E,cAA8F1lB,GAE1Fw4B,EAAW5S,KAAM,CACnB,IAAIwU,EAAa8K,EAAS5qC,QACtB8/B,GAAc5B,EAAW7S,UAAU13B,OAAS,GAE9Ck3C,GAAyB/K,EAAY5B,GACrCqB,EAAUrB,EAAW7S,UAAU,GAAGtd,MAClC3gB,KAAKy6C,iBAAmBz6C,KAAKo4C,oBAAoBjG,EAASO,GACtD5B,EAAWH,UAAY,YAAgBwB,GACzC7vC,IAAOrB,IAAP,yBAAoCkxC,EAAQF,QAAQ,KAEpD3vC,IAAOrB,IAAI,iDACXmxC,GAAYpyC,KAAK6zC,aAAcxB,EAAWvB,MAG5CxuC,IAAOrB,IAAI,+CACX6vC,EAAWH,UAAW,EACtByB,GAAYpyC,KAAK6zC,aAAcxB,EAAWvB,SAG5CA,EAAWH,UAAW,EAOxB,GAJA6M,EAAS5qC,QAAUk+B,EACnB9wC,KAAKs5C,gBAAkBiE,EACvBv9C,KAAK06B,IAAIjoB,QAAQC,IAAM/O,cAAe,CAAEiP,QAASk+B,EAAY/T,MAAOwgB,KAEpC,IAA5Bv9C,KAAK84C,mBAA8B,CAErC,IAA4B,IAAxB94C,KAAKk4C,gBAAkD,IAA1Bl4C,KAAK20C,gBAAwB,CAE5D,IAAIrW,EAAkBwS,EAAWxS,gBAC7B,YAAgBA,IACdA,EAAkB,IACpBh8B,IAAOrB,IAAP,8BAAyCq9B,EAAzC,qCACAA,EAAkB6T,EAAU75B,EAAWgmB,GAEzCh8B,IAAOrB,IAAP,gEAA2Eq9B,GAC3Et+B,KAAKk4C,cAAgB5Z,GAGjBwS,EAAW5S,MACbl+B,KAAKk4C,cAAgBl4C,KAAKo4C,oBAAoBjG,EAASrB,GACvDxuC,IAAOrB,IAAP,8BAAyCjB,KAAKk4C,gBAE9Cl4C,KAAKk4C,cAAgB,EAGzBl4C,KAAK20C,gBAAkB30C,KAAKk4C,cAE9Bl4C,KAAKi4C,iBAAmBj4C,KAAKk4C,cAG3Bl4C,KAAKqmB,QAAU+wB,KACjBp3C,KAAKqmB,MAAQ+wB,IAIfp3C,KAAK02C,Q,EAGPgH,YAAA,WACM19C,KAAKqmB,QAAU+wB,KACjBp3C,KAAKqmB,MAAQ+wB,GACbp3C,KAAK02C,S,EAIThK,aAAA,SAAcrmC,GAAM,IACVmxC,EAAoCx3C,KAApCw3C,YAAa9c,EAAuB16B,KAAvB06B,IAAKwG,EAAkBlhC,KAAlBkhC,OAAQgB,EAAUliC,KAAVkiC,MAC5Byb,EAAat3C,EAAKgd,KACxB,GAAIrjB,KAAKqmB,QAAU+wB,IACfI,GACoB,SAApBmG,EAAWp8C,MACXo8C,EAAW5gB,QAAUya,EAAYza,OACjC4gB,EAAW3yB,KAAOwsB,EAAYxsB,GAAI,CACpC,IAAMuI,EAAQltB,EAAKktB,MACbqqB,EAAe1c,EAAOsW,EAAYza,OAClCnqB,EAAUgrC,EAAahrC,QAQ7B,GAJA5S,KAAK2sC,aAAc,EACnB3sC,KAAKuzB,MAAQA,EAEbjxB,IAAOrB,IAAP,UAAqBu2C,EAAYxsB,GAAjC,QAA2CpY,EAAQyrB,QAAnD,KAA+DzrB,EAAQorB,MAAvE,WAAuFwZ,EAAYza,OAC/F4gB,EAAWhR,aAAejS,EAAIse,cAEhCh5C,KAAKqmB,MAAQ+wB,GACbp3C,KAAK84C,oBAAqB,EAC1BvlB,EAAM6U,QAAU7U,EAAMsqB,UAAY9zC,OAAO+oB,YAAYlG,MACrD8N,EAAIjoB,QAAQC,IAAMvN,cAAe,CAAEouB,MAAOA,EAAOlQ,KAAMm0B,EAAa/+B,GAAI,SACxEzY,KAAK02C,YACA,GAAsB,gBAAlBiH,EAAW3yB,GACpBhrB,KAAKqmB,MAAQ+wB,GACb7jB,EAAM6U,QAAU7U,EAAMsqB,UAAY9zC,OAAO+oB,YAAYlG,MACrDha,EAAQwF,YAAY/R,KAAOA,EAAKukB,QAChC8P,EAAIjoB,QAAQC,IAAMvN,cAAe,CAAEouB,MAAOA,EAAOlQ,KAAMm0B,EAAa/+B,GAAI,SACxEzY,KAAK02C,WACA,CACLp0C,IAAOrB,IAAP,WAAsBu2C,EAAYxsB,GAAlC,QAA4CpY,EAAQyrB,QAApD,KAAgEzrB,EAAQorB,MAAxE,WAAwFwZ,EAAYza,MAApG,QAAiHya,EAAY7a,IAC7H38B,KAAKqmB,MAAQ+wB,GACbp3C,KAAK89C,kBAAmB,EACxB99C,KAAK+9C,UAAW,EAIZJ,EAAWhR,cACbgR,EAAWhR,aAAc,EACzB3sC,KAAKo0C,gBAAgB1H,aAAa,CAChCrpB,KAAMs6B,KAKV,IAAMzkC,IAAuBgpB,GAASA,EAAMuS,WAAa7hC,EAAQ+9B,WAAa/9B,EAAQsrB,MAChF8f,EAAkBprC,EAAQwF,YAAcxF,EAAQwF,YAAY/R,KAAO,GACnE8P,EAAanW,KAAKi+C,eAAeL,IAGvB59C,KAAKizB,QAAUjzB,KAAKizB,SAAW,IAAI6b,EAAQ9uC,KAAK06B,IAAK,SAC7D9yB,KACNvB,EAAKukB,QACLozB,EACA7nC,EACAynC,EAAavlC,WACbm/B,EACA5kC,EAAQ4rB,cACRtlB,IAINlZ,KAAK64C,cAAgB,G,EAGvBqF,yBAAA,SAA0B73C,GACxB,IAAMmxC,EAAcx3C,KAAKw3C,YACnB2G,EAAU93C,EAAKgd,KAErB,GAAIm0B,GACY,SAAZnxC,EAAKoS,IACL0lC,EAAQnzB,KAAOwsB,EAAYxsB,IAC3BmzB,EAAQphB,QAAUya,EAAYza,OAC9B/8B,KAAKqmB,QAAU+wB,GAAe,CAChC,IAA0BgH,EAAWloC,EAAjCgV,EAAS7kB,EAAK6kB,OASlB,GANIA,EAAO7L,OAASrf,KAAK44C,iBAChB1tB,EAAO7L,MAIhBnJ,EAAQgV,EAAO7L,MACJ,CACT,IAAIlJ,EAAanW,KAAKkhC,OAAOlhC,KAAK+8B,OAAO5mB,WACvCkoC,EAAK3nC,UAAUD,UAAUE,cACvBR,GAAcnW,KAAKy4C,iBACrBn2C,IAAOrB,IAAI,iCAETkV,GADuC,IAArCA,EAAW9M,QAAQ,aACR,YAEA,aAObrJ,KAAKq9C,kBAE6B,IAAhCnnC,EAAMyY,SAAS5X,eAEU,IAA3BsnC,EAAGh1C,QAAQ,aACX8M,EAAa,cAIc,IAA3BkoC,EAAGh1C,QAAQ,YAAyC,eAApB6M,EAAMsC,YACxCrC,EAAa,YACb7T,IAAOrB,IAAP,iCAA4CkV,IAE9CD,EAAMooC,WAAanoC,EACnBD,EAAMuC,GAAKpS,EAAKoS,GASlB,IAAK2lC,KAPLloC,EAAQgV,EAAO9L,SAEblJ,EAAMooC,WAAat+C,KAAKkhC,OAAOlhC,KAAK+8B,OAAO1kB,WAC3CnC,EAAMuC,GAAKpS,EAAKoS,IAElBzY,KAAK06B,IAAIjoB,QAAQC,IAAM7P,cAAeqoB,GAEpBA,EAAQ,CACxBhV,EAAQgV,EAAOkzB,GACf97C,IAAOrB,IAAP,cAAyBm9C,EAAzB,cAAgDloC,EAAMsC,UAAtD,0BAAyFtC,EAAMooC,WAA/F,IAA6GpoC,EAAMc,MAAnH,KACA,IAAIoB,EAAclC,EAAMkC,YACpBA,IACFpY,KAAK+9C,UAAW,EAEhB/9C,KAAK89C,kBAAmB,EACxB99C,KAAK06B,IAAIjoB,QAAQC,IAAM3P,iBAAkB,CAAExB,KAAM68C,EAAW/3C,KAAM+R,EAAammC,OAAQ,OAAQC,QAAS,iBAI5Gx+C,KAAK02C,S,EAIT+H,kBAAA,SAAmBp4C,GAAM,WACjBmxC,EAAcx3C,KAAKw3C,YACnB2G,EAAU93C,EAAKgd,KACrB,GAAIm0B,GACY,SAAZnxC,EAAKoS,IACL0lC,EAAQnzB,KAAOwsB,EAAYxsB,IAC3BmzB,EAAQphB,QAAUya,EAAYza,QACd,UAAd12B,EAAK9E,OAAoBvB,KAAK44C,WAChC54C,KAAKqmB,QAAU+wB,GAAe,CAChC,IAAIra,EAAQ/8B,KAAKkhC,OAAOlhC,KAAK+8B,OAC3B1Z,EAAOm0B,EAiBT,GAhBK,YAAgBnxC,EAAKynB,UACxBznB,EAAKynB,OAASznB,EAAK0nB,SAAWypB,EAAYl/B,SAC1CjS,EAAKirB,OAASjrB,EAAKgrB,SAAWmmB,EAAYl/B,WAGtB,IAAlBjS,EAAKkrB,UACPlO,EAAKia,oBAAoB9B,EAAsBY,QAG3B,IAAlB/1B,EAAKmrB,UACPnO,EAAKia,oBAAoB9B,EAAsBa,OAGjD/5B,IAAOrB,IAAP,UAAqBoF,EAAK9E,KAA1B,SAAuC8E,EAAK0nB,SAASkkB,QAAQ,GAA7D,IAAmE5rC,EAAKynB,OAAOmkB,QAAQ,GAAvF,UAAmG5rC,EAAKgrB,SAAS4gB,QAAQ,GAAzH,IAA+H5rC,EAAKirB,OAAO2gB,QAAQ,GAAnJ,QAA6J5rC,EAAKorB,GAAlK,aAAgLprB,EAAK4Z,SAAW,IAG9K,UAAd5Z,EAAK9E,KAEP,GADA8hB,EAAKpD,QAAU5Z,EAAK4Z,QAChBoD,EAAKpD,QACP,GAAKoD,EAAK+tB,YAkBR9uC,IAAOpB,KAAK,+DAAgEmiB,EAAK2H,QAlB5D,CACrB,IAAMkd,EAAenL,EAAMnqB,QAC3B,IAAIs1B,GAAgB7kB,EAAK2H,KAAOkd,EAAa7J,QAa3C,OAVA/7B,IAAOpB,KAAK,gDAAiDmiB,EAAK2H,IAIlEhrB,KAAKo0C,gBAAgBvI,eAAexoB,GACpCA,EAAK+tB,aAAc,EACnBpxC,KAAKi4C,iBAAmB5xC,EAAK0nB,SAC7B/tB,KAAKqmB,MAAQ+wB,GACbp3C,KAAK6zC,aAAexwB,OACpBrjB,KAAK02C,OAXLp0C,IAAOpB,KAAK,2DAA4DmiB,EAAK2H,SAmBjF3H,EAAK+tB,aAAc,EAIvB,IAAIX,EAAQgN,GAA6B1gB,EAAMnqB,QAASyQ,EAAMhd,EAAK0nB,SAAU1nB,EAAKynB,OAAQznB,EAAKgrB,SAAUhrB,EAAKirB,QAC5GoJ,EAAM16B,KAAK06B,IACbA,EAAIjoB,QAAQC,IAAM9O,kBAAmB,CAAEgP,QAASmqB,EAAMnqB,QAASmqB,MAAO/8B,KAAK+8B,MAAO0T,MAAOA,EAAOlvC,KAAM8E,EAAK9E,KAAMof,MAAOta,EAAK0nB,SAAUtmB,IAAKpB,EAAKynB,SAEjJ,CAACznB,EAAK8qB,MAAO9qB,EAAK+qB,OAAOjvB,SAAQ,SAAAuG,GAG3BA,GAAUA,EAAOnC,QAAU,EAAK8f,QAAU+wB,KAC5C,EAAK2G,UAAW,EAEhB,EAAKD,kBAAmB,EACxBpjB,EAAIjoB,QAAQC,IAAM3P,iBAAkB,CAAExB,KAAM8E,EAAK9E,KAAM8E,KAAMqC,EAAQ61C,OAAQ,OAAQC,QAAS,aAIlGx+C,KAAK02C,S,EAITgI,aAAA,SAAcr4C,GACZ,IAAMmxC,EAAcx3C,KAAKw3C,YACnB2G,EAAU93C,EAAKgd,KACjBm0B,GACY,SAAZnxC,EAAKoS,IACL0lC,EAAQnzB,KAAOwsB,EAAYxsB,IAC3BmzB,EAAQphB,QAAUya,EAAYza,OAC9B/8B,KAAKqmB,QAAU+wB,KACjBp3C,KAAKuzB,MAAM6U,QAAUr+B,OAAO+oB,YAAYlG,MACxC5sB,KAAKqmB,MAAQ+wB,GACbp3C,KAAK2+C,yB,EAITC,sBAAA,SAAuBv4C,GAErB,IAAIuyC,IAAavyC,EAAKyC,IACpBysB,EAAUlvB,EAAKoS,GAIjB,IAAKmgC,EAAU,CACb,GAAI54C,KAAK43C,cAAgB53C,KAAKkiC,MAAO,CACnC5/B,IAAOrB,IAAI,iFACXjB,KAAK43C,YAAc53C,KAAKkiC,MACxB,IAAIsV,EAAcx3C,KAAKw3C,YAEnBA,EAAYva,SACd36B,IAAOrB,IAAI,4DACXu2C,EAAYva,OAAOiJ,SAErBlmC,KAAKw3C,YAAc,KACnBx3C,KAAK6zC,aAAe,KAEhB7zC,KAAKizB,UACPjzB,KAAKizB,QAAQ9hB,UACbnR,KAAKizB,QAAU,MAGjBjzB,KAAKqmB,MAAQ+wB,GAEf,IAAI1c,EAAM16B,KAAK06B,IAEfA,EAAIjoB,QAAQC,IAAMxP,gBAAiB,CAAEs5C,YAAa,EAAGC,UAAWz2C,OAAO+1C,kBAAmBx6C,KAAM,UAChGm5B,EAAIjoB,QAAQC,IAAM1O,qBAAsB,CAAEyU,GAAI8c,IAC9Cv1B,KAAK44C,UAAW,I,EAIpBiG,qBAAA,SAAsBx4C,GACpB,IAAIkvB,EAAUlvB,EAAKoS,GACjBmgC,IAAa54C,KAAK06B,IAAIkN,YAAYrS,GAASzsB,IAC7C,GAAI8vC,EAAU,CACZ,IAAIkG,EAAc9+C,KAAK8+C,YAEnBA,GAAe9+C,KAAK43C,cAAgBkH,IACtCx8C,IAAOrB,IAAI,sFACXjB,KAAK43C,YAAckH,GAGvB9+C,KAAK44C,SAAWA,EAChB54C,KAAK02C,Q,EAGPqI,gBAAA,SAAiB14C,GACf,IAA0B24C,EAAYxyC,EAAlC0e,EAAS7kB,EAAK6kB,OAA0B+zB,GAAY,EACxD,IAAK,IAAI19C,KAAQ2pB,EAAQ,CACvB,IAAIhV,EAAQgV,EAAO3pB,GACF,SAAb2U,EAAMuC,IACRjM,EAAOjL,EACPy9C,EAAa9oC,EAEA,UAAT3U,IACFvB,KAAK8+C,YAAc5zB,EAAO3pB,GAAMmH,SAGlCu2C,GAAY,EAGZA,GAAaD,GACf18C,IAAOrB,IAAP,8BAAyCuL,EAAzC,+CACAxM,KAAK43C,YAAcoH,EAAWt2C,QAE9B1I,KAAK43C,YAAc53C,KAAKkiC,O,EAI5B0K,iBAAA,SAAkBvmC,GAChB,GAAoB,SAAhBA,EAAKk4C,OAAmB,CAC1B,IAAMl4B,EAAQrmB,KAAKqmB,MACfA,IAAU+wB,IAAiB/wB,IAAU+wB,KAEvCp3C,KAAK89C,iBAAoBz3C,EAAK64C,QAAU,EACxCl/C,KAAK2+C,0B,EAKXA,qBAAA,WAEE,KAAI3+C,KAAKqmB,QAAU+wB,IAAkBp3C,KAAK+9C,UAAa/9C,KAAK89C,kBAAmB,CAC7E,IAAMz6B,EAAOrjB,KAAKw3C,YAClB,GAAIn0B,EAAM,CACR,IAAM6e,EAAQliC,KAAK43C,YAAc53C,KAAK43C,YAAc53C,KAAKkiC,MACzD5/B,IAAOrB,IAAP,mBAA8B+wC,GAAW1sB,SAAS4c,EAAMiJ,WACxDnrC,KAAK6zC,aAAexwB,EACpB,IAAMkQ,EAAQvzB,KAAKuzB,MACnBA,EAAMsqB,UAAY9zC,OAAO+oB,YAAYlG,MAErC5sB,KAAKu8C,aAAel0C,KAAKC,MAAM,EAAIirB,EAAM4rB,OAAS5rB,EAAMsqB,UAAYtqB,EAAM6rB,SAC1Ep/C,KAAK06B,IAAIjoB,QAAQC,IAAMvN,cAAe,CAAEouB,MAAOA,EAAOlQ,KAAMA,EAAM5K,GAAI,SACtEzY,KAAKqmB,MAAQ+wB,GAEfp3C,KAAK02C,S,EAIT3P,QAAA,SAAS1gC,GACP,IAAIgd,EAAOhd,EAAKgd,MAAQrjB,KAAKw3C,YAE7B,IAAIn0B,GAAsB,SAAdA,EAAK9hB,KAAjB,CAKA,IAAI89C,IAAkBr/C,KAAKkiC,OAASuL,EAAaC,WAAW1tC,KAAKkiC,MAAOliC,KAAKkiC,MAAMwM,cAAgBjB,EAAaC,WAAW1tC,KAAKkiC,MAAOliC,KAAKkiC,MAAMwM,YAAc,IAEhK,OAAQroC,EAAKuM,SACb,KAAK9M,IAAaokC,gBAClB,KAAKpkC,IAAaqkC,kBAClB,KAAKrkC,IAAa2kC,eAClB,KAAK3kC,IAAa4kC,iBAChB,IAAKrkC,EAAKyM,MAER,GAAK9S,KAAK64C,cAAgB,GAAM74C,KAAKuR,OAAO+tC,oBAAqB,CAE/D,IAAIC,EAAQl3C,KAAK0S,IAAI1S,KAAK+e,IAAI,EAAGpnB,KAAK64C,eAAiB74C,KAAKuR,OAAOi5B,sBAAuBxqC,KAAKuR,OAAOw4B,4BACtGznC,IAAOpB,KAAP,kDAA8Dq+C,EAA9D,OACAv/C,KAAKm5C,UAAYpvC,OAAO+oB,YAAYlG,MAAQ2yB,EAIvCv/C,KAAKg4C,iBACRh4C,KAAK84C,oBAAqB,EAC1B94C,KAAKi4C,iBAAmBj4C,KAAKk4C,eAE/Bl4C,KAAK64C,gBACL74C,KAAKqmB,MAAQ+wB,QAEb90C,IAAOlB,MAAP,oBAAiCiF,EAAKuM,QAAtC,+CAEAvM,EAAKyM,OAAQ,EACb9S,KAAKqmB,MAAQ+wB,GAGjB,MACF,KAAKtxC,IAAamjC,iBAClB,KAAKnjC,IAAakjC,mBACZhpC,KAAKqmB,QAAU+wB,KACb/wC,EAAKyM,OAEP9S,KAAKqmB,MAAQ+wB,GACb90C,IAAOpB,KAAP,qBAAiCmF,EAAKuM,QAAtC,cAA2D5S,KAAKqmB,MAAhE,eAGKhgB,EAAKm5C,YAAcx/C,KAAKqmB,QAAU+wB,KACrCp3C,KAAKqmB,MAAQ+wB,KAInB,MACF,KAAKtxC,IAAa25C,kBAEI,SAAhBp5C,EAAKk4C,QAAsBv+C,KAAKqmB,QAAU+wB,IAAiBp3C,KAAKqmB,QAAU+wB,KAExEiI,GACFr/C,KAAKq7C,uBAAuBr7C,KAAKuR,OAAOqoC,iBACxC55C,KAAKqmB,MAAQ+wB,KAKb90C,IAAOpB,KAAK,8EACZlB,KAAKw3C,YAAc,KAEnBx3C,KAAK87C,gBAAgB,EAAG91C,OAAO+1C,wB,EASvCV,uBAAA,SAAwBqE,GACtB,IAAInuC,EAASvR,KAAKuR,OAClB,OAAIA,EAAOsoC,oBAAsB6F,IAE/BnuC,EAAOsoC,oBAAsB,EAC7Bv3C,IAAOpB,KAAP,oCAAgDqQ,EAAOsoC,mBAAvD,MACO,I,EASXT,aAAA,WAAgB,IACNlX,EAAUliC,KAAVkiC,MACR,GAAKA,GAA8B,IAArBA,EAAMwY,WAApB,CAKA,IACMvP,GADcnrC,KAAK43C,YAAc53C,KAAK43C,YAAc1V,GAC7BiJ,UAExBnrC,KAAKg4C,gBAAkB7M,EAAS5kC,QACnCvG,KAAKg4C,gBAAiB,EACtBh4C,KAAK2/C,mBACI3/C,KAAK27C,gBACd37C,KAAKg8C,0BAELh8C,KAAK24C,cAAcjE,KAAK10C,KAAK20C,gBAAiBxJ,K,EAIlDyU,2BAAA,WACE5/C,KAAKqmB,MAAQ+wB,GAGRp3C,KAAKg4C,iBACRh4C,KAAK84C,oBAAqB,EAC1B94C,KAAKi4C,iBAAmBj4C,KAAKk4C,eAE/Bl4C,KAAK02C,Q,EAGPmJ,gBAAA,WAIE,IAAM3d,EAAQliC,KAAK43C,YAAc53C,KAAK43C,YAAc53C,KAAKkiC,MACrDA,GAEFliC,KAAKo0C,gBAAgB/I,uBAAuB7P,EAAsBa,MAAO6F,EAAMiJ,UAGjFnrC,KAAKqmB,MAAQ+wB,GAEbp3C,KAAK6zC,aAAe,M,EAGtBiM,eAAA,WACE9/C,KAAKy4C,gBAAkBz4C,KAAKy4C,gB,EAM9BkH,gBAAA,WAAmB,IACTzd,EAAUliC,KAAVkiC,MACFwM,EAAcxM,EAAMwM,YAGpBwJ,EAAgBhW,EAAMuS,QAAU/F,EAAc1uC,KAAKk4C,cAErDxJ,IAAgBwJ,GAAiBA,GAAiB,IAEpD51C,IAAOrB,IAAP,iEAA4Ei3C,EAA5E,sBAA+GxJ,EAA/G,KACAxM,EAAMwM,YAAcwJ,I,EAIxB+F,eAAA,SAAgBL,GACd,IAAIznC,EAAanW,KAAKuR,OAAOwuC,mBAAqBnC,EAAaznC,WAY/D,OAXInW,KAAKy4C,iBACPn2C,IAAOrB,IAAI,iCACPkV,IAEAA,GADuC,IAArCA,EAAW9M,QAAQ,aACR,YAEA,cAKZ8M,G,kCA13BE6pC,GACT,GAAIhgD,KAAKqmB,QAAU25B,EAAW,CAC5B,IAAMC,EAAgBjgD,KAAKqmB,MAC3BrmB,KAAK04C,OAASsH,EACd19C,IAAOrB,IAAP,2BAAsCg/C,EAAtC,KAAwDD,GACxDhgD,KAAK06B,IAAIjoB,QAAQC,IAAM/M,wBAAyB,CAAEs6C,gBAAeD,gB,eAKnE,OAAOhgD,KAAK04C,S,mCAQZ,IAAIxW,EAAQliC,KAAKkiC,MACjB,GAAIA,EAAO,CACT,IAAM7e,EAAOrjB,KAAK+qC,gBAAgB7I,EAAMwM,aACxC,GAAIrrB,EACF,OAAOA,EAAK0Z,MAGhB,OAAQ,I,uCAIR,IAAImF,EAAQliC,KAAKkiC,MACjB,OAAIA,EAEKliC,KAAKs7C,sBAAsBt7C,KAAK+qC,gBAAgB7I,EAAMwM,cAEtD,O,gCAaT,IAAMrrB,EAAOrjB,KAAKo8C,iBAClB,OAAI/4B,EACKA,EAAK0Z,OAEJ,I,uCA20BV,OAAO/8B,KAAKkgD,mB,aAGQ9/C,GACpBJ,KAAKkgD,kBAAoB9/C,O,gCA/yCEi3C,I,uKCXPttC,OAAhB+oB,Y,IACJqtB,GAEiBC,G,oBACnB,WAAa1lB,GAAK,aAChB,cAAMA,EACJhoB,IAAMrP,gBACNqP,IAAMhP,aACNgP,IAAM1O,qBACN0O,IAAM9N,YACN8N,IAAMnN,QALR,MAOK86C,SAAU,EACf,EAAKC,kBAAoB,KACzB,EAAKC,kBAAoB,EACzB,EAAKC,MAAQ,KAEbL,GAAkB,iBAAiBrpC,KAAKJ,UAAUD,UAAUE,eAb5C,E,wHAgBlBokB,oBAAA,WACE/6B,KAAKygD,aACLzgD,KAAKugD,kBAAoB,G,EAG3BE,WAAA,WACqB,OAAfzgD,KAAKwgD,QACPvJ,aAAaj3C,KAAKwgD,OAClBxgD,KAAKwgD,MAAQ,O,EAIjBlJ,UAAA,WACE,IAAIpW,EAASlhC,KAAK0gD,QAElB1gD,KAAKqgD,SAAU,EACfrgD,KAAK2gD,gBAAkB,EAGnBzf,GACFA,EAAO/+B,SAAQ,SAAA46B,GACbA,EAAM6jB,UAAY,EAClB,IAAM1Y,EAAenL,EAAMnqB,QACvBs1B,GAAgBA,EAAahK,OAC/BnB,EAAMnqB,aAAUxB,MAKH,OAAfpR,KAAKwgD,OACPxgD,KAAK6gD,a,EAITtJ,SAAA,WACEv3C,KAAKqgD,SAAU,G,EAGjBS,iBAAA,SAAkBz6C,GAChB,IAEI06C,EAFA7f,EAAS,GACT0G,EAAc,GAEdoZ,EAAW,GACXC,EAAe,KACfC,GAAkB,EAClBC,GAAkB,EAyDtB,GAtDA96C,EAAK66B,OAAO/+B,SAAQ,SAAA46B,GAClB,IAAMqkB,EAAarkB,EAAM6B,MACzB7B,EAAM6jB,UAAY,EAClB7jB,EAAMskB,eAAgB,EAEtBH,EAAkBA,KAAqBnkB,EAAM1kB,WAC7C8oC,EAAkBA,KAAqBpkB,EAAM5mB,WAIzCgqC,IAAmBpjB,EAAM5mB,aAA0D,IAA5C4mB,EAAM5mB,WAAW9M,QAAQ,gBAClE0zB,EAAM5mB,gBAAa/E,IAGrB6vC,EAAeD,EAASjkB,EAAM4E,UAQ5Bsf,EAAan4C,IAAIlB,KAAKm1B,EAAMj0B,MAL5Bi0B,EAAMj0B,IAAM,CAACi0B,EAAMj0B,KACnBi0B,EAAMD,MAAQ,EACdkkB,EAASjkB,EAAM4E,SAAW5E,EAC1BmE,EAAOt5B,KAAKm1B,IAKVqkB,IACEA,EAAWhlB,QACb+kB,GAAkB,EAClBrR,EAAWmR,GAAgBlkB,EAAO,QAASqkB,EAAWhlB,QAEpDglB,EAAWE,WACbxR,EAAWmR,GAAgBlkB,EAAO,OAAQqkB,EAAWE,eAMvDJ,GAAmBC,IACrBjgB,EAASA,EAAOlP,QAAO,sBAAG3Z,eAI5B6oB,EAASA,EAAOlP,QAAO,YAAgC,IAA7B7b,EAA6B,EAA7BA,WAAYkC,EAAiB,EAAjBA,WACpC,QAASlC,GAAc2pB,EAAsB3pB,EAAY,aAAekC,GAAcynB,EAAsBznB,EAAY,aAGtHhS,EAAKuhC,cACPA,EAAcvhC,EAAKuhC,YAAY5V,QAAO,SAAA9b,GAAK,OAAKA,EAAMC,YAAc2pB,EAAsB5pB,EAAMC,WAAY,aAEhGhU,SAAQ,SAAC+T,EAAOvN,GAC1BuN,EAAMuC,GAAK9P,KAIXu4B,EAAO36B,OAAS,EAAG,CAErBw6C,EAAe7f,EAAO,GAAGS,QAEzBT,EAAO1R,MAAK,SAACC,EAAG1K,GAAJ,OAAU0K,EAAEkS,QAAU5c,EAAE4c,WACpC3hC,KAAK0gD,QAAUxf,EAEf,IAAK,IAAIj6B,EAAI,EAAGA,EAAIi6B,EAAO36B,OAAQU,IACjC,GAAIi6B,EAAOj6B,GAAG06B,UAAYof,EAAc,CACtC/gD,KAAKuhD,YAAct6C,EACnB3E,IAAOrB,IAAP,mBAA8BigC,EAAO36B,OAArC,kCAA6Ew6C,GAC7E,MAKJ/gD,KAAK06B,IAAIjoB,QAAQC,IAAMpP,gBAAiB,CACtC49B,SACA0G,cACA4Z,WAAYxhD,KAAKuhD,YACjBhuB,MAAOltB,EAAKktB,MACZlU,MAAO8hC,EACP/hC,MAAO8hC,EACPtI,SAAUhR,EAAY6Z,MAAK,SAAAhzC,GAAC,QAAMA,EAAE3F,cAGtC9I,KAAK06B,IAAIjoB,QAAQC,IAAMnN,MAAO,CAC5BhE,KAAMsE,IAAW8M,YACjBC,QAAS9M,IAAa47C,mCACtB5uC,OAAO,EACPhK,IAAK9I,KAAK06B,IAAI5xB,IACdiK,OAAQ,uD,EAuBd4uC,iBAAA,SAAkBC,GAChB,IAAM1gB,EAASlhC,KAAK0gD,QACdhmB,EAAM16B,KAAK06B,IAEjB,GAAIknB,GAAY,GAAKA,EAAW1gB,EAAO36B,OAAQ,CAG7C,GADAvG,KAAKygD,aACDzgD,KAAKsgD,oBAAsBsB,EAAU,CACvCt/C,IAAOrB,IAAP,sBAAiC2gD,GACjC5hD,KAAKsgD,kBAAoBsB,EACzB,IAAMC,EAAkB3gB,EAAO0gB,GAC/BC,EAAgB9kB,MAAQ6kB,EACxBlnB,EAAIjoB,QAAQC,IAAMnP,gBAAiBs+C,GAErC,IAAM9kB,EAAQmE,EAAO0gB,GACf1Z,EAAenL,EAAMnqB,QAG3B,IAAKs1B,GAAgBA,EAAahK,KAAM,CAEtC,IAAIpB,EAAQC,EAAMD,MAClBpC,EAAIjoB,QAAQC,IAAMjP,cAAe,CAAEqF,IAAKi0B,EAAMj0B,IAAIg0B,GAAQC,MAAO6kB,EAAUnpC,GAAIqkB,UAIjFpC,EAAIjoB,QAAQC,IAAMnN,MAAO,CACvBhE,KAAMsE,IAAWy1B,YACjB1oB,QAAS9M,IAAag8C,mBACtB/kB,MAAO6kB,EACP9uC,OAAO,EACPC,OAAQ,uB,EA+Cdg0B,QAAA,SAAS1gC,GACP,GAAIA,EAAKyM,MACHzM,EAAK9E,OAASsE,IAAW+iC,eAC3B5oC,KAAKygD,iBAFT,CAQA,IACIsB,EADAC,GAAa,EAAOX,GAAgB,EAIxC,OAAQh7C,EAAKuM,SACb,KAAK9M,IAAaokC,gBAClB,KAAKpkC,IAAaqkC,kBAClB,KAAKrkC,IAAa2kC,eAClB,KAAK3kC,IAAa4kC,iBAChBqX,EAAa17C,EAAKgd,KAAK0Z,MACvBskB,GAAgB,EAChB,MACF,KAAKv7C,IAAamjC,iBAClB,KAAKnjC,IAAakjC,mBAChB+Y,EAAa17C,EAAKgN,QAAQ0pB,MAC1BilB,GAAa,EACb,MACF,KAAKl8C,IAAawqB,kBAChByxB,EAAa17C,EAAK02B,MAClBilB,GAAa,OAII5wC,IAAf2wC,GACF/hD,KAAKiiD,aAAa57C,EAAM07C,EAAYC,EAAYX,K,EAcpDY,aAAA,SAAcC,EAAYH,EAAYC,EAAYX,GAAe,IAI3Dc,EAAiB5C,EAAOjD,EAJmC,OACzD/qC,EAAWvR,KAAK06B,IAAhBnpB,OACS6wC,EAAiBF,EAA1BtvC,QACFmqB,EAAQ/8B,KAAK0gD,QAAQqB,GAMzB,GAHAhlB,EAAM6jB,YACN7jB,EAAMskB,cAAgBA,EAElBW,EAAY,CACd,KAAKhiD,KAAK2gD,gBAAkB,GAAMpvC,EAAOi1B,sBAgBvC,OANAlkC,IAAOlB,MAAP,yCAAsDghD,EAAtD,UACApiD,KAAKsgD,kBAAoB,KAEzBtgD,KAAKygD,kBAELyB,EAAWpvC,OAAQ,GAbnBysC,EAAQl3C,KAAK0S,IAAI1S,KAAK+e,IAAI,EAAGpnB,KAAK2gD,iBAAmBpvC,EAAOk1B,uBAAwBl1B,EAAOm1B,6BAE3F1mC,KAAKwgD,MAAQrJ,YAAW,kBAAM,EAAK0J,cAAatB,GAEhD2C,EAAW1C,YAAa,EACxBx/C,KAAK2gD,kBACLr+C,IAAOpB,KAAP,qBAAiCkhD,EAAjC,cAA2D7C,EAA3D,+BAA+Fv/C,KAAK2gD,kBAcpGqB,GAAcX,MAChBc,EAAkBplB,EAAMj0B,IAAIvC,QAEN,GAAKw2B,EAAM6jB,UAAYuB,GAC3CplB,EAAMD,OAASC,EAAMD,MAAQ,GAAKqlB,EAClCplB,EAAMnqB,aAAUxB,EAEhB9O,IAAOpB,KAAP,qBAAiCkhD,EAAjC,cAA2DL,EAA3D,mCAAwGhlB,EAAMD,SAM/E,IAA3B98B,KAAKugD,kBAEPjE,EAA4B,IAAfyF,EAAoB/hD,KAAK0gD,QAAQn6C,OAAS,EAAIw7C,EAAa,EACxEz/C,IAAOpB,KAAP,qBAAiCkhD,EAAjC,eAA4D9F,GAC5Dt8C,KAAK06B,IAAI2nB,cAAgBriD,KAAKsgD,kBAAoBhE,GACzC+E,IAGT/+C,IAAOpB,KAAP,qBAAiCkhD,EAAjC,uBACApiD,KAAKsgD,kBAAoB,Q,EAOjC5T,aAAA,YAAwB,IAARrpB,EAAQ,EAARA,KACd,QAAajS,IAATiS,GAAoC,SAAdA,EAAK9hB,KAAiB,CAC9C,IAAMw7B,EAAQ/8B,KAAK0gD,QAAQr9B,EAAK0Z,YAClB3rB,IAAV2rB,IACFA,EAAMskB,eAAgB,EACtBtkB,EAAM6jB,UAAY,EAClB5gD,KAAK2gD,gBAAkB,K,EAK7BrD,cAAA,SAAej3C,GAAM,WACX02B,EAAmB12B,EAAnB02B,MAAOnqB,EAAYvM,EAAZuM,QAEf,GAAImqB,IAAU/8B,KAAKsgD,kBAAnB,CAIA,IAAM9C,EAAWx9C,KAAK0gD,QAAQ3jB,GAO9B,GALKygB,EAAS6D,gBACZ7D,EAASoD,UAAY,EACrB5gD,KAAK2gD,gBAAkB,GAGrB/tC,EAAQsrB,KAAM,CAChB,IAAM4T,EAAiBH,GAAsB6L,EAAS5qC,QAASA,EAASvM,EAAKktB,MAAM+uB,UACnFhgD,IAAOrB,IAAP,4BAAuCoH,KAAKC,MAAMwpC,GAAlD,OACA9xC,KAAKwgD,MAAQrJ,YAAW,kBAAM,EAAK0J,cAAa/O,QAEhD9xC,KAAKygD,e,EAIT5B,qBAAA,SAAsBx4C,GACpB,IAAMk8C,EAAeviD,KAAK06B,IAAIkN,YAAYvhC,EAAKoS,IAAI0pB,QAE7Cyb,EAAe59C,KAAK06B,IAAIwG,OAAOlhC,KAAKsgD,mBAC1C,GAAK1C,GAIDA,EAAa7N,cAAe,CAG9B,IAFA,IAAIjT,GAAS,EAEJ71B,EAAI,EAAGA,EAAI22C,EAAa7N,cAAcxpC,OAAQU,IACrD,GAAI22C,EAAa7N,cAAc9oC,KAAOs7C,EAAc,CAClDzlB,EAAQ71B,EACR,MAIA61B,IAAU8gB,EAAa9gB,QACzB8gB,EAAa9gB,MAAQA,EACrB98B,KAAKs3C,e,EAKXuJ,UAAA,WAGE,GAFAv+C,IAAOtB,MAAM,qBAEkB,OAA3BhB,KAAKsgD,mBAA8BtgD,KAAKqgD,QAAS,CACnD,IAAMmC,EAAcxiD,KAAK0gD,QAAQ1gD,KAAKsgD,mBAEtC,GAA2B,iBAAhBkC,GACTA,EAAY15C,IAAIvC,OAAS,EAAG,CAC5B,IAAMw2B,EAAQ/8B,KAAKsgD,kBACb7nC,EAAK+pC,EAAY1lB,MACjBh0B,EAAM05C,EAAY15C,IAAI2P,GAE5BnW,IAAOrB,IAAP,+BAA0C87B,EAA1C,gBAA+DtkB,GAK/DzY,KAAK06B,IAAIjoB,QAAQC,IAAMjP,cAAe,CAAEqF,MAAKi0B,QAAOtkB,U,qCAtRxD,OAAOzY,KAAK0gD,U,4BAIZ,OAAO1gD,KAAKsgD,mB,aAGHsB,GACT,IAAI1gB,EAASlhC,KAAK0gD,QACdxf,IACF0gB,EAAWv5C,KAAK0S,IAAI6mC,EAAU1gB,EAAO36B,OAAS,GAC1CvG,KAAKsgD,oBAAsBsB,GAAa1gB,EAAO0gB,GAAUhvC,SAC3D5S,KAAK2hD,iBAAiBC,M,kCAyC1B,OAAO5hD,KAAKugD,kB,aAGGqB,GACf5hD,KAAKugD,iBAAmBqB,OACCxwC,IAArBpR,KAAKyiD,cACPziD,KAAKyiD,YAAcb,IAGH,IAAdA,IACF5hD,KAAK+8B,MAAQ6kB,K,iCAKf,OAAO5hD,KAAKuhD,a,aAGEK,GACd5hD,KAAKuhD,YAAcK,I,iCAMnB,QAAyBxwC,IAArBpR,KAAKyiD,YAA2B,CAClC,IAAIC,EAAmB1iD,KAAK06B,IAAInpB,OAAOwnC,WACvC,YAAyB3nC,IAArBsxC,EACKA,EAEA1iD,KAAKuhD,YAGd,OAAOvhD,KAAKyiD,a,aAIAb,GACd5hD,KAAKyiD,YAAcb,I,oCAiMnB,OAA+B,IAA3B5hD,KAAKugD,iBACAvgD,KAAKugD,iBAELvgD,KAAK06B,IAAI2nB,e,aAID/F,GACjBt8C,KAAK+8B,MAAQuf,GACkB,IAA3Bt8C,KAAKugD,mBACPvgD,KAAK06B,IAAI2nB,cAAgB/F,Q,gCAlcc7hB,G,QCbtC,SAASkoB,GAAmBzsC,EAAkB0sC,GACnD,IAAInvC,EACJ,IACEA,EAAQ,IAAIf,MAAM,YAClB,MAAOL,IAEPoB,EAAQovC,SAASC,YAAY,UACvBC,UAAU,YAAY,GAAO,GAEpCtvC,EAAcyC,MAAQA,EACvB0sC,EAAQI,cAAcvvC,GAGjB,SAASwvC,GAAkB/sC,GAChC,GAAIA,GAASA,EAAMgtC,KACjB,KAAOhtC,EAAMgtC,KAAK38C,OAAS,GACzB2P,EAAMitC,UAAUjtC,EAAMgtC,KAAK,IAe1B,SAASE,GAAeF,EAAyCzX,GAEtE,GAAIA,EAAOyX,EAAK,GAAG5vB,QACjB,OAAO4vB,EAAK,GAGd,GAAIzX,EAAOyX,EAAKA,EAAK38C,OAAS,GAAG+sB,QAC/B,OAAO4vB,EAAKA,EAAK38C,OAAS,GAM5B,IAHA,IAAI88C,EAAO,EACPC,EAAQJ,EAAK38C,OAAS,EAEnB88C,GAAQC,GAAO,CACpB,IAAMC,EAAMl7C,KAAKoW,OAAO6kC,EAAQD,GAAQ,GAExC,GAAI5X,EAAOyX,EAAKK,GAAKjwB,QACnBgwB,EAAQC,EAAM,MACT,MAAI9X,EAAOyX,EAAKK,GAAKjwB,SAI1B,OAAO4vB,EAAKK,GAHZF,EAAOE,EAAM,GAQjB,OAAQL,EAAKG,GAAM/vB,QAAUmY,EAASA,EAAOyX,EAAKI,GAAOhwB,QAAW4vB,EAAKG,GAAQH,EAAKI,G,ICyEzEE,G,oBAzHb,WAAa9oB,GAAK,aAChB,cAAMA,EACJhoB,IAAMjQ,eACNiQ,IAAMhQ,gBACNgQ,IAAM1N,sBACN0N,IAAM7O,2BAJR,MAOKod,cAAW7P,EAChB,EAAK8wB,WAAQ9wB,EATG,E,kHAYlBD,QAAA,WACEspB,EAAaj6B,UAAU2Q,QAAQzQ,KAAKV,O,EAItC28C,gBAAA,SAAiBt2C,GACfrG,KAAKkiC,MAAQ77B,EAAK67B,MACbliC,KAAKkiC,O,EAKZ+a,iBAAA,WACEgG,GAAiBjjD,KAAKihB,UACtBjhB,KAAKihB,cAAW7P,EAChBpR,KAAKkiC,WAAQ9wB,G,EAGfqyC,YAAA,SAAaC,GACX,IAAK,IAAIz8C,EAAI,EAAGA,EAAIy8C,EAAWn9C,OAAQU,IAAK,CAC1C,IAAI4b,EAAY6gC,EAAWz8C,GAC3B,GAAuB,aAAnB4b,EAAU8gC,MAA2C,QAApB9gC,EAAU+gC,MAK7C,OAFAjB,GAAkB9/B,EAAW7iB,KAAKkiC,OAE3Brf,EAGX,OAAO7iB,KAAKkiC,MAAM2hB,aAAa,WAAY,Q,EAG7CC,wBAAA,YAAwC,IAAbvV,EAAa,EAAbA,UACzB,GAAKvuC,KAAKihB,UAAajhB,KAAKihB,SAASiiC,MAASljD,KAAKihB,SAASiiC,KAAK38C,OAAjE,CAGA,IAAMw9C,EAAWX,GAAcpjD,KAAKihB,SAASiiC,KAAM3U,GACnD,GAAKwV,EAKL,IADA,IAAIC,GAAa,EACVA,GAAY,CACjB,IAAMC,EAAMjkD,KAAKihB,SAASiiC,KAAK,GAC/B,IAAKljD,KAAKihB,SAASiiC,KAAK38C,QAAU09C,EAAIxrC,KAAOsrC,EAAStrC,GAEpD,YADAurC,GAAa,GAGfhkD,KAAKihB,SAASkiC,UAAUc,M,EAI5BC,sBAAA,SAAuB79C,GACrB,IAAMsF,EAAWtF,EAAKgd,KAChBtL,EAAU1R,EAAK0R,QAGhB/X,KAAKihB,WACRjhB,KAAKihB,SAAWjhB,KAAKyjD,YAAYzjD,KAAKkiC,MAAMwhB,YAC5C1jD,KAAKihB,SAASkjC,KAAO,UAQvB,IAFA,IAAIC,EAAMr6C,OAAOs6C,eAAiBt6C,OAAOu6C,QAAUv6C,OAAOw6C,aAEjDt9C,EAAI,EAAGA,EAAI8Q,EAAQxR,OAAQU,IAAK,CACvC,IAAMF,EAASZ,KAAIa,aAAa+Q,EAAQ9Q,GAAGZ,MAC3C,GAAIU,EAAQ,CACV,IAAMssB,EAAYtb,EAAQ9Q,GAAGoQ,IACzBic,EAAUrsB,EAAI8Q,EAAQxR,OAAS,EAAIwR,EAAQ9Q,EAAI,GAAGoQ,IAAM1L,EAASmiB,OAEjEuF,IAAcC,EAEhBA,GAAW,KACFD,EAAYC,IACrBhxB,IAAOpB,KAAK,4FACZoyB,EAAUD,EAAY,KAGxB,IAAK,IAAI/d,EAAI,EAAGA,EAAIvO,EAAOR,OAAQ+O,IAAK,CACtC,IAAMpO,EAAQH,EAAOuO,GAErB,IAAKnP,KAAIgB,iBAAiBD,GAAQ,CAChC,IAAM+8C,EAAM,IAAIG,EAAI/wB,EAAWC,EAAS,IACxC2wB,EAAI7jD,MAAQ8G,EACZlH,KAAKihB,SAASujC,OAAOP,Q,EAO/BH,wBAAA,YAAwC,IAAbvV,EAAa,EAAbA,UACjBttB,EAAajhB,KAAbihB,SACR,GAAKA,GAAaA,EAASiiC,MAASjiC,EAASiiC,KAAK38C,OAAlD,CAGA,IAAMw9C,EAAWX,GAAcniC,EAASiiC,KAAM3U,GAC9C,GAAKwV,EAGL,KAAO9iC,EAASiiC,KAAK,KAAOa,GAC1B9iC,EAASkiC,UAAUliC,EAASiiC,KAAK,M,GArHNzoB,G,IC6BlBgqB,G,WA3Bb,WAAaC,GAAkB,KALvBC,YAKuB,OAJvBC,eAIuB,OAHvBC,kBAGuB,EAE7B7kD,KAAK2kD,OAASD,EAAWr8C,KAAKy8C,IAAIz8C,KAAKpH,IAAI,IAAOyjD,GAAY,EAC9D1kD,KAAK4kD,UAAY,EACjB5kD,KAAK6kD,aAAe,E,2BAGtB7sC,OAAA,SAAQ+sC,EAAgB3kD,GACtB,IAAI4kD,EAAW38C,KAAK+e,IAAIpnB,KAAK2kD,OAAQI,GACrC/kD,KAAK4kD,UAAYxkD,GAAS,EAAI4kD,GAAYA,EAAWhlD,KAAK4kD,UAC1D5kD,KAAK6kD,cAAgBE,G,EAGvBE,eAAA,WACE,OAAOjlD,KAAK6kD,c,EAGdK,YAAA,WACE,GAAIllD,KAAK2kD,OAAQ,CACf,IAAIQ,EAAa,EAAI98C,KAAK+e,IAAIpnB,KAAK2kD,OAAQ3kD,KAAK6kD,cAChD,OAAO7kD,KAAK4kD,UAAYO,EAExB,OAAOnlD,KAAK4kD,W,KC0BHQ,G,WAxCb,WAAa1qB,EAAU2qB,EAAcC,EAAcC,GAAyB,KAT5E7qB,SAS4E,OAPpE8qB,sBAOoE,OANpEC,gBAMoE,OALpEC,iBAKoE,OAJpEC,WAIoE,OAHpEC,WAGoE,EAC1E5lD,KAAK06B,IAAMA,EACX16B,KAAKwlD,iBAAmBD,EACxBvlD,KAAKylD,WAAa,KAClBzlD,KAAK0lD,YAAc,GACnB1lD,KAAK2lD,MAAQ,IAAIlB,GAAKY,GACtBrlD,KAAK4lD,MAAQ,IAAInB,GAAKa,G,2BAGxBttC,OAAA,SAAQ6tC,EAAoBC,GAE1B,IAEEC,GAHFF,EAAax9C,KAAKslB,IAAIk4B,EAAY7lD,KAAK0lD,cAGZ,IAEzBM,EAJY,EAAIF,EAIWC,EAC7B/lD,KAAK4lD,MAAM5tC,OAAO+tC,EAAWC,GAC7BhmD,KAAK2lD,MAAM3tC,OAAO+tC,EAAWC,I,EAG/BC,YAAA,WACE,IAAIX,EAAOtlD,KAAK4lD,MAChB,OAAQN,GAAQA,EAAKL,kBAAoBjlD,KAAKylD,Y,EAGhDP,YAAA,WACE,OAAIllD,KAAKimD,cAKA59C,KAAK0S,IAAI/a,KAAK4lD,MAAMV,cAAellD,KAAK2lD,MAAMT,eAE9CllD,KAAKwlD,kB,EAIhBr0C,QAAA,a,gLC5CM2hB,GAAgB/oB,OAAhB+oB,YAgUOozB,G,oBA7Tb,WAAaxrB,GAAK,aAChB,cAAMA,EAAKhoB,IAAMjO,aACfiO,IAAM9N,YACN8N,IAAMvN,cACNuN,IAAMnN,QAHR,MAIK4gD,oBAAsB,EAC3B,EAAKC,gBAAkB,EACvB,EAAK1rB,IAAMA,EACX,EAAK8lB,MAAQ,KACb,EAAK6F,aAAe,KACpB,EAAKC,QAAU,EAAKC,mBAAmBjmD,K,yHAAxB,KAVC,E,wHAalB6Q,QAAA,WACEnR,KAAKygD,aACLhmB,EAAaj6B,UAAU2Q,QAAQzQ,KAAKV,O,EAGtCupC,cAAA,SAAeljC,GACb,IAAMgd,EAAOhd,EAAKgd,KAClB,GAAkB,SAAdA,EAAK9hB,OACFvB,KAAKwgD,QACRxgD,KAAKw3C,YAAcn0B,EACnBrjB,KAAKwgD,MAAQzJ,YAAY/2C,KAAKsmD,QAAS,OAKpCtmD,KAAKqmD,cAAc,CACtB,IAKIG,EACAC,EANE/rB,EAAM16B,KAAK06B,IACXnpB,EAASmpB,EAAInpB,OACbwrB,EAAQ1Z,EAAK0Z,MACJrC,EAAIwG,OAAOnE,GAAOnqB,QAAQsrB,MAKvCsoB,EAAWj1C,EAAOm1C,gBAClBD,EAAWl1C,EAAOo1C,kBAElBH,EAAWj1C,EAAOq1C,eAClBH,EAAWl1C,EAAOs1C,gBAEpB7mD,KAAKqmD,aAAe,IAAIjB,GAAuB1qB,EAAK+rB,EAAUD,EAAUj1C,EAAOu1C,0B,EAKrFP,mBAAA,WAME,IAAM7rB,EAAM16B,KAAK06B,IACXtb,EAAQsb,EAAIwH,MACZ7e,EAAOrjB,KAAKw3C,YAElB,GAAKn0B,EAAL,CAIA,IAAM4Z,EAAS5Z,EAAK4Z,OACd8pB,EAAersB,EAAIqsB,aAGzB,IAAK9pB,GAAWA,EAAO1J,OAAS0J,EAAO1J,MAAMyzB,QAK3C,OAJA1kD,IAAOpB,KAAK,uDACZlB,KAAKygD,kBAELzgD,KAAKomD,gBAAkB,GAGzB,IAAI7yB,EAAQ0J,EAAO1J,MAGnB,GAAInU,GAASmU,KAAYnU,EAAM41B,QAAkC,IAAvB51B,EAAM81B,eAAyB91B,EAAMs7B,aAAer3B,EAAK83B,WAAa93B,EAAK0Z,MAAO,CAC1H,IAAMkqB,EAAen0B,GAAYlG,MAAQ2G,EAAM+uB,SACzCpN,EAAe7sC,KAAK0e,IAAI3H,EAAM81B,cAGpC,GAAI+R,EAAgB,IAAM5jC,EAAK/K,SAAW48B,EAAe,CACvD,IAAMhU,EAASxG,EAAIwG,OACbgmB,EAAW7+C,KAAKslB,IAAI,EAAG4F,EAAM4zB,GAAK5zB,EAAM4zB,GAAK,EAAmB,IAAf5zB,EAAMoW,OAAgBsd,GAGvElqB,EAAQmE,EAAO7d,EAAK0Z,OACpB2c,EAAe3c,EAAMqqB,YAAc/+C,KAAKslB,IAAIoP,EAAMqqB,YAAarqB,EAAM4E,SAAW5E,EAAM4E,QACtF0lB,EAAc9zB,EAAM4rB,MAAQ5rB,EAAM4rB,MAAQ92C,KAAKslB,IAAI4F,EAAMoW,OAAQthC,KAAKC,MAAM+a,EAAK/K,SAAWohC,EAAe,IAC3G1zB,EAAM5G,EAAMsvB,YACZ4Y,GAAmBD,EAAc9zB,EAAMoW,QAAUud,EACjDK,GAAyB9Z,EAAaE,WAAWvuB,EAAO4G,EAAK0U,EAAInpB,OAAOwf,eAAetpB,IAAMue,GAAOkvB,EAK1G,GAAKqS,EAAyB,EAAIlkC,EAAK/K,SAAW48B,GAAmBoS,EAAkBC,EAAwB,CAC7G,IACIvO,EAGJ,IAAKA,EAAgB31B,EAAK0Z,MAAQ,EAAGic,EAAgB+N,EAAc/N,IAAiB,CAIlF,IAAMwO,EAAmBtmB,EAAO8X,GAAeoO,YAC3C/+C,KAAKslB,IAAIuT,EAAO8X,GAAeoO,YAAalmB,EAAO8X,GAAerX,SAClET,EAAO8X,GAAerX,QAI1B,GAFiCte,EAAK/K,SAAWkvC,GAAoB,IAAUN,GAEhDK,EAE7B,WAhBAE,EAqB2BH,IAC7BhlD,IAAOpB,KAAP,gEAA4E83C,EAA5E,oBAA6GA,EAA7G,sBAA+I31B,EAAK0Z,MAAQ,GAA5J,iCAtBE0qB,GAsB+MxV,QAAQ,GAAzN,IAA+NqV,EAAgBrV,QAAQ,GAAvP,IAA6PsV,EAAsBtV,QAAQ,IAE3RvX,EAAIse,cAAgBA,EAEpBh5C,KAAKqmD,aAAaruC,OAAOivC,EAAc1zB,EAAMoW,QAE7C1M,EAAOiJ,QAEPlmC,KAAKygD,aACL/lB,EAAIjoB,QAAQC,IAAM/N,4BAA6B,CAAE0e,KAAMA,EAAMkQ,MAAOA,U,EAO9EmZ,aAAA,SAAcrmC,GACZ,IAAMgd,EAAOhd,EAAKgd,KAClB,GAAkB,SAAdA,EAAK9hB,MAAmB,YAAgB8hB,EAAK2H,IAAK,CASpD,GAPAhrB,KAAKygD,aAELzgD,KAAKmmD,oBAAsB9iC,EAAK0Z,MAEhC/8B,KAAKomD,gBAAkB,EAGnBpmD,KAAK06B,IAAInpB,OAAOm2C,sBAAuB,CACzC,IAAM3qB,EAAQ/8B,KAAK06B,IAAIwG,OAAO7d,EAAK0Z,OAC/B4qB,GAAe5qB,EAAM4M,OAAS5M,EAAM4M,OAAOvkB,MAAQ,GAAK/e,EAAKktB,MAAMoW,OACnEie,GAAkB7qB,EAAM4M,OAAS5M,EAAM4M,OAAOrxB,SAAW,GAAKjS,EAAKgd,KAAK/K,SAC5EykB,EAAM4M,OAAS,CAAEvkB,MAAOuiC,EAAarvC,SAAUsvC,GAC/C7qB,EAAMqqB,YAAc/+C,KAAKC,MAAM,EAAIq/C,EAAcC,GAGnD,GAAIvhD,EAAKgd,KAAKspB,YAAa,CACzB,IAAIpZ,EAAQltB,EAAKktB,MACjBA,EAAM6U,QAAU7U,EAAMsqB,UAAYtqB,EAAMgU,MACxCvnC,KAAK6sC,eAAexmC,M,EAK1BwmC,eAAA,SAAgBxmC,GACd,IAAMktB,EAAQltB,EAAKktB,MACblQ,EAAOhd,EAAKgd,KAKlB,IAAsB,IAAlBkQ,EAAMyzB,SAAkC,SAAd3jC,EAAK9hB,MAAmB,YAAgB8hB,EAAK2H,OAAU3H,EAAKspB,aAAepZ,EAAMgU,QAAUhU,EAAMsqB,WAAa,CAI1I,IAAIgK,EAA0Bt0B,EAAM6U,QAAU7U,EAAM+uB,SACpDhgD,IAAOrB,IAAP,uCAAkDoH,KAAKC,MAAMirB,EAAM6rB,OAAS7rB,EAAM+uB,UAAlF,IAA+Fj6C,KAAKC,MAAMirB,EAAMgU,MAAQhU,EAAM6rB,QAA9H,IAAyI/2C,KAAKC,MAAMirB,EAAM6U,QAAU7U,EAAMgU,OAA1K,IAAoLl/B,KAAKC,MAAMirB,EAAMsqB,UAAYtqB,EAAM6U,SAAvN,IAAmO//B,KAAKC,MAAM,EAAIirB,EAAMoW,QAAUpW,EAAMsqB,UAAYtqB,EAAM+uB,YAC1RtiD,KAAKqmD,aAAaruC,OAAO6vC,EAAyBt0B,EAAMoW,QACxDpW,EAAMu0B,WAAa9nD,KAAKqmD,aAAanB,cAEjC7hC,EAAKspB,YACP3sC,KAAK+nD,iBAAmBF,EAA0B,IAElD7nD,KAAK+nD,iBAAmB,I,EAK9BhhB,QAAA,SAAS1gC,GAEP,OAAQA,EAAKuM,SACb,KAAK9M,IAAaokC,gBAClB,KAAKpkC,IAAaqkC,kBAChBnqC,KAAKygD,e,EAOTA,WAAA,WACE7J,cAAc52C,KAAKwgD,OACnBxgD,KAAKwgD,MAAQ,M,EAqEfwH,eAAA,SAAgBpK,EAAcqK,EAAqBC,EAAWnB,EAAcoB,EAAcC,EAAkBC,EAAUC,EAAYpnB,GAChI,IAAK,IAAIj6B,EAAIkhD,EAAclhD,GAAK8/C,EAAc9/C,IAAK,CACjD,IAAIuyC,EAAYtY,EAAOj6B,GAEvB,GAAKuyC,EAAL,CAIA,IAAMtR,EAAesR,EAAU5mC,QACzB21C,EAAcrgB,EAAeA,EAAa1J,cAAgB0J,EAAajK,UAAU13B,OAAS0hD,EAC1F/pB,IAAOgK,GAAeA,EAAahK,KAErCsqB,OAAU,EAQZA,EADEvhD,GAAK22C,EACMyK,EAAWH,EAEXI,EAAaJ,EAG5B,IAAMvmB,EAAUT,EAAOj6B,GAAGmgD,YAAc/+C,KAAKslB,IAAIuT,EAAOj6B,GAAGmgD,YAAalmB,EAAOj6B,GAAG06B,SAAWT,EAAOj6B,GAAG06B,QACjG8mB,EAAgB9mB,EAAU4mB,EAAcC,EAI9C,GAFAlmD,IAAOvB,MAAP,wEAAqFkG,EAArF,IAA0FoB,KAAKC,MAAMkgD,GAArG,IAAoH7mB,EAApH,IAA+H4mB,EAA/H,IAA8IH,EAA9I,IAAkKK,GAE9JD,EAAa7mB,KAIb8mB,GAAkBvqB,IAASl+B,KAAK+nD,kBAAqBU,EAAgBL,GAEvE,OAAOnhD,GAIX,OAAQ,G,4CAxGR,IAAMyhD,EAAkB1oD,KAAKomD,eACvBuC,EAAc3oD,KAAKqmD,aAEzB,MAAyB,IAArBqC,GAA4BC,GAAgBA,EAAY1C,eAC1D,OAAOyC,EAIT,IAAIE,EAAmB5oD,KAAK6oD,kBAM5B,OAJyB,IAArBH,IACFE,EAAmBvgD,KAAK0S,IAAI2tC,EAAiBE,IAGxCA,G,aA6FUtM,GACjBt8C,KAAKomD,eAAiB9J,I,wCA3FtB,IAAI5hB,EAAM16B,KAAK06B,IACPytB,EAA+CztB,EAA/CytB,aAAcjnB,EAAiCxG,EAAjCwG,OAAQ3vB,EAAyBmpB,EAAzBnpB,OAAQw1C,EAAiBrsB,EAAjBqsB,aAChC3nC,EAAQsb,EAAIwH,MACZ0b,EAAe59C,KAAKmmD,oBACpB8B,EAAsBjoD,KAAKw3C,YAAcx3C,KAAKw3C,YAAYl/B,SAAW,EACrE0N,EAAO5G,EAAQA,EAAMsvB,YAAc,EAInCwG,EAAiB91B,GAAiC,IAAvBA,EAAM81B,aAAuB7sC,KAAK0e,IAAI3H,EAAM81B,cAAgB,EACvF4T,EAAQ9oD,KAAKqmD,aAAermD,KAAKqmD,aAAanB,cAAgB3zC,EAAOu1C,uBAErES,GAAyB9Z,EAAaE,WAAWvuB,EAAO4G,EAAKzU,EAAOwf,eAAetpB,IAAMue,GAAOkvB,EAGlG6T,EAAY/oD,KAAKgoD,eAAepK,EAAcqK,EAAqBa,EAAO/B,EAAcoB,EAAcZ,EAAuBh2C,EAAOy3C,mBAAoBz3C,EAAO03C,qBAAsB/nB,GACzL,GAAI6nB,GAAa,EACf,OAAOA,EAEPzmD,IAAOvB,MAAM,+FAGb,IAAImoD,EAAqBjB,EAAsB5/C,KAAK0S,IAAIktC,EAAqB12C,EAAO23C,oBAAsB33C,EAAO23C,mBAC7Gb,EAAW92C,EAAOy3C,mBAClBV,EAAa/2C,EAAO03C,qBAExB,GAA8B,IAA1B1B,EAA6B,CAE/B,IAAIQ,EAAmB/nD,KAAK+nD,iBACxBA,IAOFmB,GADwBjB,EAAsB5/C,KAAK0S,IAAIktC,EAAqB12C,EAAO43C,iBAAmB53C,EAAO43C,iBACtEpB,EACvCzlD,IAAOvB,MAAP,qBAAkCsH,KAAKC,MAAM,IAAOy/C,GAApD,+CAAoH1/C,KAAKC,MAAM,IAAO4gD,GAAtI,OAEAb,EAAWC,EAAa,GAI5B,OADAS,EAAY/oD,KAAKgoD,eAAepK,EAAcqK,EAAqBa,EAAO/B,EAAcoB,EAAcZ,EAAwB2B,EAAoBb,EAAUC,EAAYpnB,GACjK74B,KAAKslB,IAAIo7B,EAAW,Q,gCA1QLtuB,GCa5B,IAAMsF,GAAc4O,IAotBLya,G,oBA5pBb,WAAa1uB,GAAU,aACrB,cAAMA,EACJxnB,IAAO1Q,gBACP0Q,IAAOxQ,gBACPwQ,IAAO5P,gBACP4P,IAAOtQ,aACPsQ,IAAOnQ,iBACPmQ,IAAOrQ,cACPqQ,IAAOjQ,WACPiQ,IAAOhQ,gBACPgQ,IAAOtP,kBACPsP,IAAOvP,gBAVT,MApDM0lD,YAA6B,KAmDd,EAjDfC,eAAgC,KAiDjB,EA/CfC,qBAA+B,GA+ChB,EA7CfC,MAAwB,KA6CT,EA3CfC,WAA4B,KA2Cb,EAxCfC,aAAuB,EAwCR,EArCfC,WAAqB,EAqCN,EAnCfp4C,YAmCe,IAhChBq4C,0BAgCgB,IA7BhBC,0BAAoC,EA6BpB,EA1BfC,wBAAkC,EA0BnB,EAvBhB5nB,MAAiC,KAuBjB,EApBhB6nB,YAAkC,KAoBlB,EAjBhBC,SAAsB,GAiBN,EAfhBzL,YAegB,IAZhB0L,WAAqB,EAYL,EAThBlM,SAAmB,EASH,EARhBmM,YAAsB,EAQN,EAPhBC,mBAA6B,EAOb,EALhBj/B,OAAmB,GAKH,EAJhBk/B,cAA0B,GAIV,EAHhBC,aAA8B,GAGd,EAFhBC,WAAuC,GAEvB,EAwJfC,mBAAqB,WAC3BjoD,IAAOrB,IAAI,uBACX,EAAKy5B,IAAIjoB,QAAQS,IAAOzQ,eAAgB,CAAEy/B,MAAO,EAAKA,QACtD,IAAI6nB,EAAc,EAAKA,YACnBA,GAEFA,EAAYta,oBAAoB,aAAc,EAAK8a,oBAErD,EAAKC,sBAhKgB,EAmKfC,oBAAsB,WAC5BnoD,IAAOrB,IAAI,wBApKU,EAuKfypD,oBAAsB,WAC5BpoD,IAAOrB,IAAI,uBAxKU,EA2Kf0pD,eAAiB,WAEvB,GAAI,EAAKf,sBAAwB,EAAKS,aAAahrC,MAAO,CACxD,IAAIurC,EAAc,EAAKP,aAAahrC,MAEpC/c,IAAOpB,KAAP,2CAAuD0pD,EAAYC,gBAAnE,OAAyF,EAAKjB,sBAC9FgB,EAAYC,gBAAkB,EAAKjB,4BAC5B,EAAKA,qBAGV,EAAKF,aACP,EAAKoB,UAGH,EAAKnB,WACP,EAAKoB,WAGP,EAAKd,WAAY,EACjB,IAAI1L,EAAS,EAAKA,OAEdW,EAAU,EAAK8K,SAASn6B,QAAO,SAACm7B,EAASC,GAAV,OAAuBA,EAAQ1M,SAAWA,EAAUyM,EAAU,EAAIA,IAAS,GAGxGlgB,EAA4D,GAC5DogB,EAAQ,EAAKb,aACnB,IAAK,IAAIx3B,KAAcq4B,EAAO,CAC5B,IAAMC,EAAKD,EAAMr4B,GACjB,IAAKs4B,EACH,MAAMrgD,MAAM,8DAA8D+nB,EAA/D,2DAEbiY,EAAWjY,GAAkCs4B,EAAGhgB,SAGlD,EAAKzQ,IAAIjoB,QAAQS,IAAOlQ,gBAAiB,CAAEu7C,SAAQW,UAASpU,eAEvD,EAAK4e,aACR,EAAK0B,cAGP,EAAKC,6BAGW,IAAZnM,GACF,EAAKoM,uBAvNc,EA2NfC,iBAAmB,SAAC93C,GAC1BnR,IAAOlB,MAAM,sBAAuBqS,GAIpC,EAAKinB,IAAIjoB,QAAQS,IAAO3N,MAAO,CAAEhE,KAAMsE,IAAW8M,YAAaC,QAAS9M,IAAa0lD,uBAAwB14C,OAAO,KAnNpH,EAAKvB,OAASmpB,EAAInpB,OAbG,E,kHAgBvBJ,QAAA,WACEspB,EAAaj6B,UAAU2Q,QAAQzQ,KAAKV,O,EAGtCyrD,kBAAA,SAAmBplD,GACjB,IAAI9E,EAAO8E,EAAK9E,KACZyf,EAAahhB,KAAKkrB,OAAO7L,MAS7B,GAAa,UAAT9d,GAAoByf,GAAuC,eAAzBA,EAAWxI,UAA4B,CAC3E,IAAIoyC,EAAc5qD,KAAKqqD,aAAahrC,MACpC,IAAKurC,EACH,MAAM9/C,MAAM,8DAMd,GAHYzC,KAAK0e,IAAI6jC,EAAYC,gBAAkBxkD,EAAKsa,OAG5C,GAAK,CACf,IAAI+qC,EAAWd,EAAYc,SAE3B,IACEd,EAAY1kB,QACZ,MAAO7zB,GACP/P,IAAOpB,KAAK,+BAAiCmR,GAG1Cq5C,EAIH1rD,KAAK4pD,qBAAuBvjD,EAAKsa,OAHjCre,IAAOpB,KAAK,2CAA6C0pD,EAAYC,gBAAkB,OAASxkD,EAAKsa,OACrGiqC,EAAYC,gBAAkBxkD,EAAKsa,U,EAQ3Cu8B,iBAAA,SAAkB72C,GAKhBrG,KAAK6pD,0BAA4B7pD,KAAK8pD,wBAA0BzjD,EAAKuyC,SAAW,EAAI,EACpFt2C,IAAOrB,IAAOjB,KAAK6pD,0BAAnB,mC,EAGF8B,iBAAA,SAAkBtlD,GAChB,IAAI67B,EAAQliC,KAAKkiC,MAAQ77B,EAAK67B,MAC9B,GAAIA,GAASnC,GAAa,CAExB,IAAI6rB,EAAK5rD,KAAK+pD,YAAc,IAAIhqB,GAEhC6rB,EAAG1xB,iBAAiB,aAAcl6B,KAAKuqD,oBACvCqB,EAAG1xB,iBAAiB,cAAel6B,KAAK0qD,qBACxCkB,EAAG1xB,iBAAiB,cAAel6B,KAAKyqD,qBAExCvoB,EAAMpJ,IAAM/uB,OAAOuvB,IAAII,gBAAgBkyB,GAEvC5rD,KAAKypD,WAAavnB,EAAMpJ,M,EAI5BmkB,iBAAA,WACE36C,IAAOrB,IAAI,0BACX,IAAI2qD,EAAK5rD,KAAK+pD,YACd,GAAI6B,EAAI,CACN,GAAsB,SAAlBA,EAAGlR,WACL,IAKEkR,EAAGC,cACH,MAAOx5C,GACP/P,IAAOpB,KAAP,oBAAgCmR,EAAIG,QAApC,8BAGJo5C,EAAGnc,oBAAoB,aAAczvC,KAAKuqD,oBAC1CqB,EAAGnc,oBAAoB,cAAezvC,KAAK0qD,qBAC3CkB,EAAGnc,oBAAoB,cAAezvC,KAAKyqD,qBAIvCzqD,KAAKkiC,QACHliC,KAAKypD,YACP1/C,OAAOuvB,IAAIkW,gBAAgBxvC,KAAKypD,YAK9BzpD,KAAKkiC,MAAMpJ,MAAQ94B,KAAKypD,YAC1BzpD,KAAKkiC,MAAM4pB,gBAAgB,OAC3B9rD,KAAKkiC,MAAMoD,QAEXhjC,IAAOpB,KAAK,0DAIhBlB,KAAK+pD,YAAc,KACnB/pD,KAAKkiC,MAAQ,KACbliC,KAAKypD,WAAa,KAClBzpD,KAAK6pD,0BAA4B7pD,KAAK8pD,wBACtC9pD,KAAKoqD,cAAgB,GACrBpqD,KAAKkrB,OAAS,GACdlrB,KAAKqqD,aAAe,GACpBrqD,KAAKsqD,WAAa,GAClBtqD,KAAKgqD,SAAW,GAChBhqD,KAAK+9C,SAAW,EAGlB/9C,KAAK06B,IAAIjoB,QAAQS,IAAOvQ,iB,EAG1B6nD,mBAAA,WAAsB,IACdX,EAA6C7pD,KAA7C6pD,0BAA2BO,EAAkBpqD,KAAlBoqD,cAM3B2B,EAAqBxrD,OAAOquB,KAAKw7B,GAAe7jD,QACjDwlD,IAAuBlC,GAAqD,IAAvBkC,KAExD/rD,KAAKgsD,oBAAoB5B,GACzBpqD,KAAKoqD,cAAgB,GAErBpqD,KAAKorD,gB,EAgFTa,cAAA,WACE,IAAM5B,EAAerqD,KAAKqqD,aAC1B,IAAK,IAAI9oD,KAAQ8oD,EAAc,CAC7B,IAAMc,EAAKd,EAAa9oD,GACxB,IACM4pD,IACEnrD,KAAK+pD,aACP/pD,KAAK+pD,YAAYmC,mBAAmBf,GAEtCA,EAAG1b,oBAAoB,YAAazvC,KAAK2qD,gBACzCQ,EAAG1b,oBAAoB,QAASzvC,KAAKurD,mBAEvC,MAAOl5C,KAGXrS,KAAKqqD,aAAe,GACpBrqD,KAAKsqD,WAAa,GAClBtqD,KAAKgqD,SAAW,GAChBhqD,KAAK+9C,SAAW,G,EAGlBoO,eAAA,SAAgBjhC,GAAkB,WAG5B3qB,OAAOquB,KAAK5uB,KAAKqqD,cAAc9jD,SAInChG,OAAOquB,KAAK1D,GAAQ/oB,SAAQ,SAAAi8C,GAC1B,EAAKgM,cAAchM,GAAalzB,EAAOkzB,MAGzCp+C,KAAK6pD,0BAA4BxhD,KAAKslB,IAAI3tB,KAAK6pD,0BAA4B,EAAG,GAC1E7pD,KAAK+pD,aAA+C,SAAhC/pD,KAAK+pD,YAAYrP,YACvC16C,KAAKwqD,uB,EAITwB,oBAAA,SAAqB9gC,GAAkB,IAC7Bm/B,EAA8BrqD,KAA9BqqD,aAAcN,EAAgB/pD,KAAhB+pD,YACtB,IAAKA,EACH,MAAMj/C,MAAM,wDAGd,IAAK,IAAIszC,KAAalzB,EACpB,IAAKm/B,EAAajM,GAAY,CAC5B,IAAIloC,EAAQgV,EAAOkzB,GACnB,IAAKloC,EACH,MAAMpL,MAAM,kCAAkCszC,EAAnC,4BAGb,IAAIpnC,EAAQd,EAAMooC,YAAcpoC,EAAMc,MAClCo1C,EAAcl2C,EAAMsC,UAAZ,WAAgCxB,EAC5C1U,IAAOrB,IAAP,yBAAoCmrD,EAApC,KACA,IACE,IAAIjB,EAAKd,EAAajM,GAAa2L,EAAYsC,gBAAgBD,GAC/DjB,EAAGjxB,iBAAiB,YAAal6B,KAAK2qD,gBACtCQ,EAAGjxB,iBAAiB,QAASl6B,KAAKurD,kBAClCvrD,KAAKkrB,OAAOkzB,GAAa,CACvB11C,OAAQyiD,EACRn0C,MAAOA,EACPyB,GAAIvC,EAAMuC,GACVD,UAAWtC,EAAMsC,UACjB8lC,WAAYpoC,EAAMooC,YAEpB,MAAOjsC,GACP/P,IAAOlB,MAAP,0CAAuDiR,EAAIG,SAC3DxS,KAAK06B,IAAIjoB,QAAQS,IAAO3N,MAAO,CAAEhE,KAAMsE,IAAW8M,YAAaC,QAAS9M,IAAawmD,uBAAwBx5C,OAAO,EAAOT,IAAKA,EAAK+5C,SAAUA,KAIrJpsD,KAAK06B,IAAIjoB,QAAQS,IAAOpQ,eAAgB,CAAEooB,OAAQlrB,KAAKkrB,U,EAGzDqhC,kBAAA,SAAmBlmD,GACZrG,KAAK0pD,cACH1pD,KAAKgqD,SAGRhqD,KAAKgqD,SAASpiD,KAAKvB,GAFnBrG,KAAKgqD,SAAW,CAAE3jD,GAKpBrG,KAAKorD,gB,EAMToB,YAAA,SAAanmD,GACX,IAAK,IAAM9E,KAAQvB,KAAKqqD,aACtB,IAAKhkD,EAAK9E,MAAQ8E,EAAK9E,OAASA,EAAM,CACpC,IAAM4pD,EAAKnrD,KAAKqqD,aAAa9oD,GACzB4pD,IAAOA,EAAGlW,QACZkW,EAAGlW,OAAQ,EACX3yC,IAAOrB,IAAOM,EAAd,0BAKNvB,KAAK+qD,Y,EAIPA,SAAA,WAAY,IACFV,EAA8BrqD,KAA9BqqD,aAAcN,EAAgB/pD,KAAhB+pD,YACtB,GAAKA,GAA0C,SAA3BA,EAAYrP,WAAhC,CAKA,IAAK,IAAIn5C,KAAQ8oD,EAAc,CAC7B,IAAMc,EAAKd,EAAa9oD,GACxB,GAAK4pD,EAAL,CAEA,IAAKA,EAAGlW,MACN,OAGF,GAAIkW,EAAGO,SAEL,YADA1rD,KAAK2pD,WAAY,IAKrBrnD,IAAOrB,IAAI,+FAEX,IACE8oD,EAAY8B,cACZ,MAAOxpD,GACPC,IAAOpB,KAAK,qDAEdlB,KAAK2pD,WAAY,OAzBf3pD,KAAK2pD,WAAY,G,EA4BrB8C,iBAAA,SAAkBpmD,GACZA,EAAK9E,KACPvB,KAAKsqD,WAAW1iD,KAAK,CAAE+Y,MAAOta,EAAKm2C,YAAa/0C,IAAKpB,EAAKo2C,UAAWl7C,KAAM8E,EAAK9E,QAEhFvB,KAAKsqD,WAAW1iD,KAAK,CAAE+Y,MAAOta,EAAKm2C,YAAa/0C,IAAKpB,EAAKo2C,UAAWl7C,KAAM,UAC3EvB,KAAKsqD,WAAW1iD,KAAK,CAAE+Y,MAAOta,EAAKm2C,YAAa/0C,IAAKpB,EAAKo2C,UAAWl7C,KAAM,WAI7EvB,KAAKmqD,mBAAqB,EAC1BnqD,KAAK8qD,W,EAGPQ,oBAAA,WAEE,GAAKtrD,KAAKwpD,MAAV,CAIA,IAAMkD,EAAuB1sD,KAAKuR,OAAOm7C,qBACzC,GAAKzmD,SAASymD,MAAyBA,EAAuB,GAI9D,GAAK1sD,KAAKkiC,MAUV,IALA,IAAMwM,EAAc1uC,KAAKkiC,MAAMwM,YACzB2b,EAAerqD,KAAKqqD,aACpBsC,EAAcpsD,OAAOquB,KAAKy7B,GAC1BuC,EAA2Ble,EAAcrmC,KAAKslB,IAAI++B,EAAsB1sD,KAAKupD,sBAE1E5gD,EAAQgkD,EAAYpmD,OAAS,EAAGoC,GAAS,EAAGA,IAAS,CAC5D,IAAMkkD,EAAaF,EAAYhkD,GACzBwiD,EAAKd,EAAawC,GACxB,GAAI1B,EAAI,CACN,IAAMhgB,EAAWggB,EAAGhgB,SAEhBA,EAAS5kC,OAAS,GAAKqmD,EAA2BzhB,EAASxqB,MAAM,IAI/D3gB,KAAK8sD,kBAAkBD,EAAY1B,EAAI,EAAGyB,IAC5C5sD,KAAK06B,IAAIjoB,QAAQS,IAAOrP,yBAA0B,CAAE0qC,UAAWqe,UApBrEtqD,IAAOlB,MAAM,wD,EA4BjB2rD,eAAA,YAA+J,IAA7In6C,EAA6I,EAA7IA,QACZA,EAAQqrB,UAAU13B,OAAS,IAC7BvG,KAAKspD,eAAiB12C,EAAQ4rB,cAAgB5rB,EAAQqrB,UAAU,GAAGtd,MACnE3gB,KAAKupD,qBAAuB32C,EAAQixB,uBAAyBjxB,EAAQ2rB,gBAAkB,GACvFv+B,KAAKwpD,MAAQ52C,EAAQsrB,KACrBl+B,KAAKqrD,+B,EASTA,2BAAA,WAA8B,IAExB/yC,EADE/G,EAAWvR,KAAXuR,OAGN,GAA4B,OAAxBvR,KAAKspD,gBACNtpD,KAAKkiC,OACLliC,KAAK+pD,aACL/pD,KAAKqqD,cACoB,IAA1BrqD,KAAKkiC,MAAMwY,YACqB,SAAhC16C,KAAK+pD,YAAYrP,WALnB,CASA,IAAK,IAAIn5C,KAAQvB,KAAKqqD,aAAc,CAClC,IAAMc,EAAKnrD,KAAKqqD,aAAa9oD,GAC7B,GAAI4pD,IAAsB,IAAhBA,EAAGO,SAEX,OAIJpzC,EAAWtY,KAAKkiC,MAAM5pB,SAEG,OAArBtY,KAAKqpD,cACPrpD,KAAKqpD,YAAcrpD,KAAK+pD,YAAYzxC,WAGnB,IAAftY,KAAKwpD,QAAkD,IAAhCj4C,EAAOy7C,sBAEhC1qD,IAAOrB,IAAI,4CACXjB,KAAKqpD,YAAcrpD,KAAK+pD,YAAYzxC,SAAWoW,MACrC1uB,KAAKspD,eAAiBtpD,KAAKqpD,aAAerpD,KAAKspD,eAAiBhxC,IAAc,YAAgBA,MAKxGhW,IAAOrB,IAAP,qCAAgDjB,KAAKspD,eAAerX,QAAQ,IAC5EjyC,KAAKqpD,YAAcrpD,KAAK+pD,YAAYzxC,SAAWtY,KAAKspD,kB,EAIxDwB,QAAA,WAEE,KAAO9qD,KAAKsqD,WAAW/jD,QAAQ,CAC7B,IAAIolC,EAAQ3rC,KAAKsqD,WAAW,GAE5B,IAAItqD,KAAKitD,YAAYthB,EAAMhrB,MAAOgrB,EAAMlkC,IAAKkkC,EAAMpqC,MAOjD,YAFAvB,KAAK0pD,aAAc,GAHnB1pD,KAAKsqD,WAAWzjC,QAChB7mB,KAAKmqD,mBAAqB,EAO9B,GAA+B,IAA3BnqD,KAAKsqD,WAAW/jD,OAAc,CAEhCvG,KAAK0pD,aAAc,EAGnB,IAAI3L,EAAW,EACXsM,EAAerqD,KAAKqqD,aACxB,IACE,IAAK,IAAI9oD,KAAQ8oD,EAAc,CAC7B,IAAMc,EAAKd,EAAa9oD,GACpB4pD,IACFpN,GAAYoN,EAAGhgB,SAAS5kC,SAG5B,MAAOnF,GAGPkB,IAAOlB,MAAM,+CAEfpB,KAAK+9C,SAAWA,EAChB/9C,KAAK06B,IAAIjoB,QAAQS,IAAO/P,kB,EAI5BioD,YAAA,WAAe,IACP75C,EAAwCvR,KAAxCuR,OAAQmpB,EAAgC16B,KAAhC06B,IAAKsvB,EAA2BhqD,KAA3BgqD,SAAUK,EAAiBrqD,KAAjBqqD,aAC7B,GAAK9pD,OAAOquB,KAAKy7B,GAAc9jD,OAA/B,CAKA,IAAKvG,KAAKkiC,OAASliC,KAAKkiC,MAAM9gC,MAG5B,OAFApB,KAAKgqD,SAAW,QAChB1nD,IAAOlB,MAAM,4EAIf,IAAIpB,KAAKiqD,UAAT,CAKA,IAAMgB,EAAUjB,EAASnjC,QACzB,GAAKokC,EAIL,IACE,IAAME,EAAKd,EAAaY,EAAQ1pD,MAChC,IAAK4pD,EAKH,YADAnrD,KAAK2qD,iBAIP,GAAIQ,EAAGO,SAGL,YADA1B,EAASjiB,QAAQkjB,GAKnBE,EAAGlW,OAAQ,EAEXj1C,KAAKu+C,OAAS0M,EAAQ1M,OACtB4M,EAAG+B,aAAajC,EAAQ5kD,MACxBrG,KAAKkqD,YAAc,EACnBlqD,KAAK+9C,WACL/9C,KAAKiqD,WAAY,EACjB,MAAO53C,GAEP/P,IAAOlB,MAAP,uCAAoDiR,EAAIG,SACxDw3C,EAASjiB,QAAQkjB,GACjB,IAAIx3C,EAAQ,CAAElS,KAAMsE,IAAW8M,YAAa4rC,OAAQ0M,EAAQ1M,OAAQ3rC,QAAS,GAAIE,OAAO,GACvE,KAAbT,EAAI86C,MAGNntD,KAAKgqD,SAAW,GAChBv2C,EAAMb,QAAU9M,IAAa25C,oBAE7Bz/C,KAAKkqD,cACLz2C,EAAMb,QAAU9M,IAAasnD,oBAIzBptD,KAAKkqD,YAAc34C,EAAO87C,sBAC5B/qD,IAAOrB,IAAP,QAAmBsQ,EAAO87C,oBAA1B,4CACArtD,KAAKgqD,SAAW,GAChBv2C,EAAMX,OAAQ,IAGlB4nB,EAAIjoB,QAAQS,IAAO3N,MAAOkO,O,EAS9Bw5C,YAAA,SAAazQ,EAAqBC,EAAmB6Q,GACnD,IAAMjD,EAAerqD,KAAKqqD,aAE1B,IAAK9pD,OAAOquB,KAAKy7B,GAAc9jD,OAC7B,OAAO,EAGT,IAAImoC,EAAsB,OAO1B,GANI1uC,KAAKkiC,QACPwM,EAAc1uC,KAAKkiC,MAAMwM,YAAYuD,QAAQ,IAE/C3vC,IAAOrB,IAAP,8BAAyCytC,EAAzC,IAAwD8N,EAAxD,IAAuEC,GAGnEz8C,KAAKmqD,oBAAsBnqD,KAAK+9C,SAElC,OADAz7C,IAAOpB,KAAK,oCACL,EAGT,IAAMiqD,EAAKd,EAAaiD,GAExB,GAAInC,EAAI,CAEN,GADAA,EAAGlW,OAAQ,EACNkW,EAAGO,SAON,OADAppD,IAAOpB,KAAK,0CACL,EANP,GAAIlB,KAAK8sD,kBAAkBQ,EAAQnC,EAAI3O,EAAaC,GAElD,OADAz8C,KAAKmqD,sBACE,EAUb,OAFA7nD,IAAOrB,IAAI,mBAEJ,G,EAaT6rD,kBAAA,SAAmBvrD,EAAc4pD,EAA0B3O,EAAqBC,GAC9E,IACE,IAAK,IAAIx1C,EAAI,EAAGA,EAAIkkD,EAAGhgB,SAAS5kC,OAAQU,IAAK,CAC3C,IAAIsmD,EAAWpC,EAAGhgB,SAASxqB,MAAM1Z,GAC7BumD,EAASrC,EAAGhgB,SAAS1jC,IAAIR,GACzBwmD,EAAcplD,KAAKslB,IAAI4/B,EAAU/Q,GACjCkR,EAAYrlD,KAAK0S,IAAIyyC,EAAQ/Q,GAOjC,GAAIp0C,KAAK0S,IAAI2yC,EAAWF,GAAUC,EAAc,GAAK,CACnD,IAAI/e,EAAsB,OAO1B,OANI1uC,KAAKkiC,QACPwM,EAAc1uC,KAAKkiC,MAAMwM,YAAYppB,YAGvChjB,IAAOrB,IAAP,aAAwBM,EAAxB,KAAiCksD,EAAjC,IAAgDC,EAAhD,UAAmEH,EAAnE,IAA+EC,EAA/E,UAA+F9e,GAC/Fyc,EAAGwC,OAAOF,EAAaC,IAChB,IAGX,MAAOtsD,GACPkB,IAAOpB,KAAK,2BAA4BE,GAG1C,OAAO,G,GA9sBoBq5B,G,2KC6JhBmzB,G,oBAnLb,WAAalzB,GAAK,aAChB,cAAMA,EACJhoB,IAAMpN,uBACNoN,IAAMlQ,gBACNkQ,IAAMpP,gBACNoP,IAAM7P,cACN6P,IAAMhQ,kBALR,MAOKmrD,iBAAmB7nD,OAAO+1C,kBAC/B,EAAKyF,WAAa,KAClB,EAAKtgB,OAAS,GACd,EAAKgB,MAAQ,KACb,EAAK4rB,iBAAmB,GACxB,EAAKtN,MAAQ,KAbG,E,wHAgBlBrvC,QAAA,WACMnR,KAAK06B,IAAInpB,OAAOw8C,uBAClB/tD,KAAKkiC,MAAQ,KACbliC,KAAKguD,gB,EAITC,sBAAA,SAAuB5nD,GAEjBunD,EAAmBM,eAAe7nD,EAAK8nD,aAAcnuD,KAAK8tD,mBAC5D9tD,KAAK8tD,iBAAiBlmD,KAAKvB,EAAK8nD,e,EAIpCxC,iBAAA,SAAkBtlD,GAChBrG,KAAKkiC,MAAQ77B,EAAK67B,iBAAiBn4B,OAAOqkD,iBAAmB/nD,EAAK67B,MAAQ,M,EAG5Egb,iBAAA,SAAkB72C,GAChB,IAAMq0B,EAAM16B,KAAK06B,IACjB16B,KAAK8tD,iBAAmB,GACxB9tD,KAAKkhC,OAAS76B,EAAK66B,OACnBlhC,KAAKwhD,WAAan7C,EAAKm7C,WACnB9mB,EAAInpB,OAAOw8C,sBAAwB1nD,EAAK+Y,OAE1Cpf,KAAKquD,gB,EAMTlC,eAAA,SAAgB9lD,GACFrG,KAAK06B,IACTnpB,OAAOw8C,sBAAwB1nD,EAAK+Y,OAE1Cpf,KAAKquD,gB,EAITC,gBAAA,SAAiBjoD,GACfrG,KAAKkhC,OAAS76B,EAAK66B,Q,EAGrB+b,iBAAA,WACEj9C,KAAKguD,e,EAGPO,iBAAA,WACE,GAAIvuD,KAAKkiC,MAAO,CACd,IAAIssB,EAAexuD,KAAKkhC,OAASlhC,KAAKkhC,OAAO36B,OAAS,EACtD,GAAIioD,EAAc,CAChB,IAAM9zB,EAAM16B,KAAK06B,IACjBA,EAAImzB,iBAAmB7tD,KAAKyuD,YAAYD,EAAe,GACnD9zB,EAAImzB,iBAAmB7tD,KAAK6tD,kBAG9BnzB,EAAIg0B,iBAAiBxS,kBAEvBl8C,KAAK6tD,iBAAmBnzB,EAAImzB,oB,EAQlCY,YAAA,SAAaE,GAAe,WAC1B,IAAK3uD,KAAKkhC,OACR,OAAQ,EAGV,IAAM0tB,EAAc5uD,KAAKkhC,OAAOlP,QAAO,SAAC+K,EAAOp0B,GAAR,OACrCilD,EAAmBM,eAAevlD,EAAO,EAAKmlD,mBAAqBnlD,GAASgmD,KAG9E,OAAOf,EAAmBiB,uBAAuBD,EAAa5uD,KAAK8uD,WAAY9uD,KAAK+uD,c,EAGtFV,aAAA,WACMruD,KAAKwgD,QAITxgD,KAAK6tD,iBAAmB7nD,OAAO+1C,kBAC/B/7C,KAAK06B,IAAI8mB,WAAaxhD,KAAKyuD,YAAYzuD,KAAKwhD,YAC5C5K,cAAc52C,KAAKwgD,OACnBxgD,KAAKwgD,MAAQzJ,YAAY/2C,KAAKuuD,iBAAiBjuD,KAAKN,MAAO,KAC3DA,KAAKuuD,qB,EAGPP,YAAA,WACEhuD,KAAK8tD,iBAAmB,GACxB9tD,KAAKwhD,WAAa,KAClBxhD,KAAK6tD,iBAAmB7nD,OAAO+1C,kBAC3B/7C,KAAKwgD,QACPxgD,KAAKwgD,MAAQ5J,cAAc52C,KAAKwgD,OAChCxgD,KAAKwgD,MAAQ,O,EAgCV0N,eAAP,SAAuBnxB,EAAO+wB,GAC5B,YADmD,IAAvBA,MAAmB,KACH,IAArCA,EAAiBzkD,QAAQ0zB,I,EAG3B8xB,uBAAP,SAA+B3tB,EAAQ/jB,EAAOE,GAC5C,IAAK6jB,GAAWA,IAAWA,EAAO36B,OAChC,OAAQ,EAiBV,IAZA,IAA6Bi3C,EAAUlB,EAUnC0S,EAAgB9tB,EAAO36B,OAAS,EAE3BU,EAAI,EAAGA,EAAIi6B,EAAO36B,OAAQU,GAAK,EAAG,CACzC,IAAM81B,EAAQmE,EAAOj6B,GACrB,IAAK81B,EAAM5f,OAASA,GAAS4f,EAAM1f,QAAUA,KAdlBmgC,EAciDzgB,IAdvCuf,EAc8Cpb,EAAOj6B,EAAI,KATvFu2C,EAASrgC,QAAUm/B,EAAUn/B,OAASqgC,EAASngC,SAAWi/B,EAAUj/B,QASwB,CACjG2xC,EAAgB/nD,EAChB,OAIJ,OAAO+nD,G,gDAtCP,IAAI9xC,EAAa,EACjB,IACEA,EAAanT,OAAOklD,iBACpB,MAAO5sD,IACT,OAAO6a,M,oCAxBP,IAAIC,EACE+kB,EAAQliC,KAAKkiC,MAKnB,OAJIA,IACF/kB,EAAQ+kB,EAAM/kB,OAAS+kB,EAAMgtB,aAAehtB,EAAMitB,YAClDhyC,GAASywC,EAAmBwB,oBAEvBjyC,I,kCAIP,IAAIE,EACE6kB,EAAQliC,KAAKkiC,MAKnB,OAJIA,IACF7kB,EAAS6kB,EAAM7kB,QAAU6kB,EAAMmtB,cAAgBntB,EAAMotB,aACrDjyC,GAAUuwC,EAAmBwB,oBAExB/xC,O,gCAtIsBod,G,ICCzB3H,GAAgB/oB,OAAhB+oB,YAuEOy8B,G,oBApEb,WAAa70B,GAAK,OAChB,YAAMA,EAAKhoB,IAAMlQ,kBADD,K,kHAIlB2O,QAAA,WACMnR,KAAKwgD,OACP5J,cAAc52C,KAAKwgD,OAGrBxgD,KAAKwvD,iCAAkC,G,EAGzC7D,iBAAA,SAAkBtlD,GAChB,IAAMkL,EAASvR,KAAK06B,IAAInpB,OACpBA,EAAOk+C,oBAEoC,mBAD/BzvD,KAAKof,MAAQ/Y,EAAK67B,iBAAiBn4B,OAAOqkD,iBAAmB/nD,EAAK67B,MAAQ,MACvEwtB,0BACf1vD,KAAKwvD,iCAAkC,GAGzC5Y,cAAc52C,KAAKwgD,OACnBxgD,KAAKwgD,MAAQzJ,YAAY/2C,KAAK2vD,iBAAiBrvD,KAAKN,MAAOuR,EAAOq+C,8B,EAItEC,SAAA,SAAUzwC,EAAO0wC,EAAeC,GAC9B,IAAIrhB,EAAc5b,GAAYlG,MAC9B,GAAIkjC,EAAe,CACjB,GAAI9vD,KAAKgwD,SAAU,CACjB,IAAIC,EAAgBvhB,EAAc1uC,KAAKgwD,SACrCE,EAAiBH,EAAgB/vD,KAAKmwD,kBACtCC,EAAiBN,EAAgB9vD,KAAKqwD,kBACtCC,EAAa,IAAOJ,EAAiBD,EACrCv1B,EAAM16B,KAAK06B,IAEb,GADAA,EAAIjoB,QAAQC,IAAMrN,SAAU,CAAE6qD,eAAgBA,EAAgBE,eAAgBA,EAAgBG,mBAAoBR,IAC9GO,EAAa,GAEXJ,EAAiBx1B,EAAInpB,OAAOi/C,8BAAgCJ,EAAgB,CAC9E,IAAIxS,EAAeljB,EAAIkjB,aACvBt7C,IAAOpB,KAAK,mEAAqE08C,GAC7EA,EAAe,KAAgC,IAA1BljB,EAAImzB,kBAA2BnzB,EAAImzB,kBAAoBjQ,KAC9EA,GAA8B,EAC9BljB,EAAIjoB,QAAQC,IAAMpN,uBAAwB,CAAEy3B,MAAO6gB,EAAcuQ,aAAczzB,EAAIkjB,eACnFljB,EAAImzB,iBAAmBjQ,EACvBljB,EAAIg0B,iBAAiBxS,oBAK7Bl8C,KAAKgwD,SAAWthB,EAChB1uC,KAAKmwD,kBAAoBJ,EACzB/vD,KAAKqwD,kBAAoBP,I,EAI7BH,iBAAA,WACE,IAAMvwC,EAAQpf,KAAKof,MACnB,GAAIA,EACF,GAAIpf,KAAKwvD,gCAAiC,CACxC,IAAIiB,EAAuBrxC,EAAMswC,0BACjC1vD,KAAK6vD,SAASzwC,EAAOqxC,EAAqBC,iBAAkBD,EAAqBE,yBAEjF3wD,KAAK6vD,SAASzwC,EAAOA,EAAMwxC,wBAAyBxxC,EAAMyxC,0B,GA/DtCp2B,G,GCJY1wB,OAAhC+oB,G,GAAAA,YAAag+B,G,GAAAA,eAgKNC,G,WA7Jb,WAAax/C,GACPA,GAAUA,EAAOy/C,WACnBhxD,KAAKgxD,SAAWz/C,EAAOy/C,U,2BAI3B7/C,QAAA,WACEnR,KAAKkmC,QACLlmC,KAAKi9B,OAAS,M,EAGhBiJ,MAAA,WACE,IAAIjJ,EAASj9B,KAAKi9B,OACdA,GAAgC,IAAtBA,EAAOyd,aACnB16C,KAAKuzB,MAAMyzB,SAAU,EACrB/pB,EAAOiJ,SAGTn8B,OAAOktC,aAAaj3C,KAAKixD,gBACzBjxD,KAAKixD,eAAiB,KACtBlnD,OAAOktC,aAAaj3C,KAAKkxD,cACzBlxD,KAAKkxD,aAAe,M,EAGtB5rB,KAAA,SAAMjyB,EAAS9B,EAAQ4/C,GACrBnxD,KAAKqT,QAAUA,EACfrT,KAAKuR,OAASA,EACdvR,KAAKmxD,UAAYA,EACjBnxD,KAAKuzB,MAAQ,CAAE+uB,SAAUxvB,GAAYlG,MAAOwkC,MAAO,GACnDpxD,KAAK+lC,WAAax0B,EAAOw0B,WACzB/lC,KAAKqxD,gB,EAGPA,aAAA,WACE,IAAIC,EAAKj+C,EAAUrT,KAAKqT,QACxBi+C,EAAMtxD,KAAKi9B,OAAS,IAAI6zB,GAExB,IAAIv9B,EAAQvzB,KAAKuzB,MACjBA,EAAM6rB,OAAS,EACf7rB,EAAMoW,OAAS,EACf,IAAMqnB,EAAWhxD,KAAKgxD,SAEtB,IACE,GAAIA,EACF,IACEA,EAASM,EAAKj+C,EAAQvK,KACtB,MAAOzG,GAGPivD,EAAIC,KAAK,MAAOl+C,EAAQvK,KAAK,GAC7BkoD,EAASM,EAAKj+C,EAAQvK,KAGrBwoD,EAAI5W,YACP4W,EAAIC,KAAK,MAAOl+C,EAAQvK,KAAK,GAE/B,MAAOzG,GAGP,YADArC,KAAKmxD,UAAUpqB,QAAQ,CAAEomB,KAAMmE,EAAIE,OAAQ3oD,KAAMxG,EAAEmQ,SAAWa,EAASi+C,GAIrEj+C,EAAQk1B,UACV+oB,EAAIG,iBAAiB,QAAS,SAAWp+C,EAAQi1B,WAAa,KAAOj1B,EAAQk1B,SAAW,IAG1F+oB,EAAII,mBAAqB1xD,KAAK2xD,iBAAiBrxD,KAAKN,MACpDsxD,EAAIM,WAAa5xD,KAAKiqC,aAAa3pC,KAAKN,MACxCsxD,EAAI9rB,aAAenyB,EAAQmyB,aAG3BxlC,KAAKixD,eAAiBlnD,OAAOotC,WAAWn3C,KAAKknC,YAAY5mC,KAAKN,MAAOA,KAAKuR,OAAOu0B,SACjFwrB,EAAIO,Q,EAGNF,iBAAA,SAAkBl+C,GAChB,IAAI69C,EAAM79C,EAAMq+C,cACdpX,EAAa4W,EAAI5W,WACjBnnB,EAAQvzB,KAAKuzB,MACblgB,EAAUrT,KAAKqT,QACf9B,EAASvR,KAAKuR,OAGhB,IAAIgiB,EAAMyzB,SAKNtM,GAAc,EAOhB,GALA3wC,OAAOktC,aAAaj3C,KAAKixD,gBACJ,IAAjB19B,EAAM6rB,SACR7rB,EAAM6rB,OAAS/2C,KAAKslB,IAAImF,GAAYlG,MAAO2G,EAAM+uB,WAGhC,IAAf5H,EAAkB,CACpB,IAAI8W,EAASF,EAAIE,OAEjB,GAAIA,GAAU,KAAOA,EAAS,IAAK,CAEjC,IAAInrD,EAAMsD,EADV4pB,EAAMgU,MAAQl/B,KAAKslB,IAAI4F,EAAM6rB,OAAQtsB,GAAYlG,OAI/CjjB,EAF2B,gBAAzB0J,EAAQmyB,cACVn/B,EAAOirD,EAAI1sB,UACA38B,YAEX5B,EAAOirD,EAAIS,cACAxrD,OAEbgtB,EAAMoW,OAASpW,EAAM4rB,MAAQx1C,EAC7B,IAAIi7B,EAAW,CAAE97B,IAAKwoD,EAAIU,YAAa3rD,KAAMA,GAC7CrG,KAAKmxD,UAAUtqB,UAAUjC,EAAUrR,EAAOlgB,EAASi+C,QAG/C/9B,EAAM69B,OAAS7/C,EAAOs0B,UACxBvjC,IAAOlB,MAASowD,EAAhB,kBAAwCn+C,EAAQvK,KAChD9I,KAAKmxD,UAAUpqB,QAAQ,CAAEomB,KAAMqE,EAAQ3oD,KAAMyoD,EAAIW,YAAc5+C,EAASi+C,KAGxEhvD,IAAOpB,KAAQswD,EAAf,kBAAuCn+C,EAAQvK,IAA/C,iBAAmE9I,KAAK+lC,WAAxE,OAEA/lC,KAAKmR,UAELnR,KAAKkxD,aAAennD,OAAOotC,WAAWn3C,KAAKqxD,aAAa/wD,KAAKN,MAAOA,KAAK+lC,YAEzE/lC,KAAK+lC,WAAa19B,KAAK0S,IAAI,EAAI/a,KAAK+lC,WAAYx0B,EAAOy0B,eACvDzS,EAAM69B,cAKVpxD,KAAKixD,eAAiBlnD,OAAOotC,WAAWn3C,KAAKknC,YAAY5mC,KAAKN,MAAOuR,EAAOu0B,U,EAKlFoB,YAAA,WACE5kC,IAAOpB,KAAP,yBAAqClB,KAAKqT,QAAQvK,KAClD9I,KAAKmxD,UAAUlqB,UAAUjnC,KAAKuzB,MAAOvzB,KAAKqT,QAAS,O,EAGrD42B,aAAA,SAAcx2B,GACZ,IAAI69C,EAAM79C,EAAMq+C,cACdv+B,EAAQvzB,KAAKuzB,MAEfA,EAAMoW,OAASl2B,EAAMk2B,OACjBl2B,EAAMy+C,mBACR3+B,EAAM4rB,MAAQ1rC,EAAM0rC,OAGtB,IAAInV,EAAahqC,KAAKmxD,UAAUnnB,WAC5BA,GAEFA,EAAWzW,EAAOvzB,KAAKqT,QAAS,KAAMi+C,I,gLC0P7Ba,G,oBAhYb,WAAaz3B,GAAK,aAChB,cAAMA,EACJhoB,IAAMtP,iBACNsP,IAAMpP,gBACNoP,IAAMxO,mBACNwO,IAAM1O,qBACN0O,IAAMhP,aACNgP,IAAMnN,QANR,MAcK6sD,UAAY,EAOjB,EAAKC,qBAAsB,EAO3B,EAAKnnC,OAAS,GAOd,EAAKonC,iBAAmB/xD,OAAO0T,OAAO,MAQtC,EAAKsuC,aAAe,KA5CJ,E,wHAkDlBld,kBAAA,WACErlC,KAAKkrB,OAAS,GACdlrB,KAAKoyD,UAAY,EACjBpyD,KAAKqyD,qBAAsB,G,EAU7BnV,iBAAA,SAAkB72C,GAChB,IAAM6kB,EAASlrB,KAAKkrB,OAAS7kB,EAAKuhC,aAAe,GACjD5nC,KAAK06B,IAAIjoB,QAAQC,IAAM5O,qBAAsB,CAAE8jC,YAAa1c,IAE5DlrB,KAAKuyD,kBAAkBvyD,KAAK06B,IAAIse,gB,EAUlCwZ,mBAAA,SAAoBnsD,GAClB,GAAIA,EAAKoS,IAAMzY,KAAKkrB,OAAO3kB,OACzBjE,IAAOpB,KAAK,0BAA2BmF,EAAKoS,QAD9C,CAWA,GANAnW,IAAOrB,IAAP,cAAyBoF,EAAKoS,GAA9B,WAEAzY,KAAKkrB,OAAO7kB,EAAKoS,IAAI7F,QAAUvM,EAAKuM,QAIhCvM,EAAKuM,QAAQsrB,OAASl+B,KAAK62C,cAAe,CAG5C,IAAM4b,EAA+C,IAA9BpsD,EAAKuM,QAAQ2rB,eACpCv+B,KAAK+2C,YAAY0b,IAGdpsD,EAAKuM,QAAQsrB,MAAQl+B,KAAK62C,eAE7B72C,KAAK42C,kB,EAYTiI,qBAAA,SAAsBx4C,GACpB,IAAMk8C,EAAeviD,KAAKkrB,OAAO7kB,EAAKoS,IAAI0pB,QACtCogB,GAAiBviD,KAAKuiD,eAAiBA,IACzCviD,KAAKuiD,aAAeA,I,EAaxBjF,cAAA,SAAej3C,GACbrG,KAAKuyD,kBAAkBlsD,EAAK02B,Q,EAS9BgK,QAAA,SAAS1gC,GAEHA,EAAK9E,OAASsE,IAAW+iC,gBAKzBviC,EAAKyM,OACP9S,KAAK42C,gBAIHvwC,EAAKuM,UAAY9M,IAAaqjC,yBAIlC7mC,IAAOpB,KAAK,qCAAsCmF,EAAKgN,QAAQoF,IAC/DzY,KAAK0yD,sB,EA8BPC,eAAA,SAAgBC,GAEd,GAAI5yD,KAAKoyD,WAAaQ,GAAS5yD,KAAKkrB,OAAOlrB,KAAKoyD,UAAUx/C,QACxDtQ,IAAOtB,MAAM,oFAKf,GAAI4xD,EAAQ,GAAKA,GAAS5yD,KAAKkrB,OAAO3kB,OACpCjE,IAAOpB,KAAK,mDADd,CAKA,IAAM8f,EAAahhB,KAAKkrB,OAAO0nC,GAE/BtwD,IAAOrB,IAAP,sCAAiD2xD,GAGjD5yD,KAAK42C,gBACL52C,KAAKoyD,SAAWQ,EAnBK,IAqBb9pD,EAAkBkY,EAAlBlY,IAAKvH,EAAayf,EAAbzf,KAAMkX,EAAOuI,EAAPvI,GACnBzY,KAAK06B,IAAIjoB,QAAQC,IAAM3O,sBAAuB,CAAE0U,KAAIlX,OAAMuH,QAC1D9I,KAAK6yD,0BAA0B7xC,K,EAMjCk2B,OAAA,WACEl3C,KAAK8yD,aAAa9yD,KAAKoyD,W,EAOzBG,kBAAA,SAAmBvqB,GACjB,IAAMwR,EAAYx5C,KAAK06B,IAAIwG,OAAO8G,GAElC,GAAKwR,GAAcA,EAAUzJ,cAA7B,CAIA,IAAMwS,EAAe/I,EAAUzJ,cAAcyJ,EAAU1c,OACnD98B,KAAKuiD,eAAiBA,IACxBviD,KAAKuiD,aAAeA,EACpBviD,KAAK+yD,8B,EAQTA,yBAAA,WAA4B,WACtB7nC,EAASlrB,KAAKkrB,OAClB,GAAKA,EAAO3kB,OAAZ,CAIA,IAAMysD,EAAoBhzD,KAAKkrB,OAAOlrB,KAAKoyD,UAEvC5lD,EAAO,KAMX,GALIwmD,IACFxmD,EAAOwmD,EAAkBxmD,MAIvBxM,KAAKqyD,oBAAqB,CAC5B,IAAMY,EAAgB/nC,EAAO8G,QAAO,SAAC9b,GAAD,OAAWA,EAAMihB,WACjD87B,EAAc1sD,OAChB2kB,EAAS+nC,EAET3wD,IAAOpB,KAAK,mCAIhB,IAAIgyD,GAAa,EAEXC,EAAiB,WAErBjoC,EAAO/oB,SAAQ,SAAC+T,GACVg9C,GAKE,EAAK3Q,cAAgBrsC,EAAMisB,UAAY,EAAKogB,cAC9C/1C,GAAQA,IAAS0J,EAAM1J,OAGzB,EAAKmmD,eAAez8C,EAAMuC,IAC1By6C,GAAa,OAKnBC,IAEKD,IACH1mD,EAAO,KACP2mD,KAGGD,IACH5wD,IAAOlB,MAAP,8CAA2DpB,KAAKuiD,cAEhEviD,KAAK06B,IAAIjoB,QAAQC,IAAMnN,MAAO,CAC5BhE,KAAMsE,IAAW8M,YACjBC,QAAS9M,IAAaqjC,uBACtBr2B,OAAO,O,EAUbsgD,mBAAA,SAAoBpyC,GAAY,IACtBpO,EAAiBoO,EAAjBpO,QAAS9J,EAAQkY,EAARlY,IAEjB,QAAK8J,IAAWA,EAAQsrB,SAEbp1B,G,EAUb+pD,0BAAA,SAA2B7xC,GACzB,GAAIhhB,KAAKozD,mBAAmBpyC,GAAa,KAC/BlY,EAAYkY,EAAZlY,IAAK2P,EAAOuI,EAAPvI,GAEbnW,IAAOrB,IAAP,wCAAmDwX,GACnDzY,KAAK06B,IAAIjoB,QAAQC,IAAMzO,oBAAqB,CAAE6E,MAAK2P,S,EAQvDq6C,aAAA,SAAcF,GAEZ,KAAIA,EAAQ,GAAKA,GAAS5yD,KAAKkrB,OAAO3kB,QAAtC,CAKAvG,KAAK42C,gBACL52C,KAAKoyD,SAAWQ,EAChBtwD,IAAOrB,IAAP,gCAA2C2xD,GAC3C,IAAM5xC,EAAahhB,KAAKkrB,OAAO0nC,GAC/B5yD,KAAK6yD,0BAA0B7xC,K,EAMjC0xC,iBAAA,WAEE1yD,KAAKsyD,iBAAiBtyD,KAAKoyD,WAAY,EAGvC,IAAMiB,EAAarzD,KAAKoyD,SALN,EAMkBpyD,KAAKkrB,OAAOmoC,GAAxC7mD,EANU,EAMVA,KAAM8mD,EANI,EAMJA,SAAUnxB,EANN,EAMMA,QAExB7/B,IAAOpB,KAAP,qCAAiDmyD,EAAjD,eAA0ElxB,EAA1E,qBAAsG31B,EAAtG,QAAkH8mD,EAAlH,KAKA,IADA,IAAIV,EAAQS,EACHpsD,EAAI,EAAGA,EAAIjH,KAAKkrB,OAAO3kB,OAAQU,IAAK,CAC3C,IAAIjH,KAAKsyD,iBAAiBrrD,GAI1B,GADiBjH,KAAKkrB,OAAOjkB,GAChBuF,OAASA,EAAM,CAC1BomD,EAAQ3rD,EACR,OAIA2rD,IAAUS,GAKd/wD,IAAOrB,IAAI,sCAAuC2xD,EAAO,YAAa5yD,KAAKkrB,OAAO0nC,GAAOzwB,SAEzFniC,KAAK2yD,eAAeC,IANlBtwD,IAAOpB,KAAP,qDAAiEsL,EAAjE,QAA6E8mD,EAA7E,M,0CAtNF,OAAOtzD,KAAKkrB,S,iCAOZ,OAAOlrB,KAAKoyD,U,aAMEQ,GACd5yD,KAAK2yD,eAAeC,GAEpB5yD,KAAKqyD,qBAAsB,O,gCAjLIhc,I,2KCV3BvjB,GAAgB/oB,OAAhB+oB,YAuyBOygC,G,oBAlyBb,WAAa74B,EAAK0Z,GAAiB,aACjC,cAAM1Z,EACJhoB,IAAMjQ,eACNiQ,IAAMhQ,gBACNgQ,IAAM5O,qBACN4O,IAAM3O,sBACN2O,IAAMxO,mBACNwO,IAAMhN,WACNgN,IAAM9N,YACN8N,IAAM5N,0BACN4N,IAAMzN,kBACNyN,IAAMxN,YACNwN,IAAMnN,MACNmN,IAAM9P,aACN8P,IAAM5P,eACN4P,IAAM1P,gBACN0P,IAAMvP,eACNuP,IAAMlO,iBAhBR,MAiBK4vC,gBAAkBA,EACvB,EAAK7iC,OAASmpB,EAAInpB,OAClB,EAAKknC,gBAAiB,EACtB,EAAKC,OAAStB,GACd,EAAK/oB,QAAU,GACf,EAAKmlC,gBAAkB,KACvB,EAAKC,aAAe,KAxBa,E,wHA4BnCC,eAAA,SAAgBrtD,GACd,IAAIstD,EAAYttD,EAAKoS,GAAIkkB,EAAKt2B,EAAKgd,KAAKsZ,GAAItO,EAAUhoB,EAAKgoB,QACzC,SAAdslC,IAGF3zD,KAAKquB,QAAQsO,GAAMtO,EACnBruB,KAAKyzD,aAAe92B,EACpBr6B,IAAOrB,IAAP,mBAA8B07B,EAA9B,4BAA4DtO,GAIxDruB,KAAKqmB,QAAU+wB,IACjBp3C,KAAK02C,S,EAKXY,UAAA,SAAWY,GACT,GAAIl4C,KAAKkrB,OAAQ,CACf,IAAIypB,EAAkB30C,KAAK20C,gBAC3B30C,KAAKu3C,WACLv3C,KAAK+2C,YApDW,KAqDhB/2C,KAAK64C,cAAgB,EACjBlE,EAAkB,IAAwB,IAAnBuD,GACzB51C,IAAOrB,IAAP,sDAAiE0zC,EAAgB1C,QAAQ,IACzFjyC,KAAKqmB,MAAQ+wB,KAEbp3C,KAAK20C,gBAAkB30C,KAAKk4C,cAAgBl4C,KAAKk4C,cAAgBA,EACjEl4C,KAAKqmB,MAAQ+wB,IAEfp3C,KAAKi4C,iBAAmBj4C,KAAKk4C,cAAgBl4C,KAAK20C,gBAClD30C,KAAK02C,YAEL12C,KAAKk4C,cAAgBA,EACrBl4C,KAAKqmB,MAAQ+wB,I,EAgBjBF,OAAA,WACE,IAAIlxB,EAAK9P,EAAO09C,EAAcl5B,EAAM16B,KAAK06B,IAAKnpB,EAASmpB,EAAInpB,OAE3D,OAAQvR,KAAKqmB,OACb,KAAK+wB,GAEL,KAAKA,GAEL,KAAKA,GACH,MACF,KAAKA,GACHp3C,KAAKqmB,MAAQ+wB,GACbp3C,KAAKg4C,gBAAiB,EACtB,MACF,KAAKZ,GACH,IAAMlsB,EAASlrB,KAAKkrB,OAEpB,IAAKA,EACH,MAOF,IAAKlrB,KAAKkiC,QACLliC,KAAK84C,qBAAuBvnC,EAAOgoC,mBACtC,MAMF,GAAIv5C,KAAKg4C,eACPhyB,EAAMhmB,KAAKkiC,MAAMwM,iBAGjB,QAAYt9B,KADZ4U,EAAMhmB,KAAKi4C,kBAET,MAGJ,IAAI/V,EAAQliC,KAAK43C,YAAc53C,KAAK43C,YAAc53C,KAAKkiC,MACrD4c,EAAc9+C,KAAK8+C,YAAc9+C,KAAK8+C,YAAc9+C,KAAKkiC,MACzDyL,EAAaF,EAAaE,WAAWzL,EAAOlc,EAAKzU,EAAOwf,eACxD8iC,EAAiBpmB,EAAaE,WAAWmR,EAAa94B,EAAKzU,EAAOwf,eAClEsd,EAAYV,EAAWhkC,IACvB4kC,EAAYZ,EAAWlmC,IACvBosC,EAAe7zC,KAAK6zC,aAIpBigB,EAAkBzrD,KAAK0S,IAAIxJ,EAAOqoC,gBAAiBroC,EAAOsoC,oBAC1DJ,EAAYpxC,KAAKslB,IAAImmC,EAAiBD,EAAelqD,KACrDoqD,EAAc/zD,KAAK+zD,YACnBx+B,EAAUv1B,KAAKu1B,QAGjB,IAAK8Y,EAAYoL,GAAasa,IAAgBx+B,EAAUrK,EAAO3kB,OAAQ,CAGrE,QAA4B,KAF5BqtD,EAAe1oC,EAAOqK,GAAS3iB,SAEU,CACvC5S,KAAKqmB,MAAQ+wB,GACb,MAGF,IAAK2c,GAAe/zD,KAAKy3C,aAAa9J,EAAYimB,GAGhD,OAFA5zD,KAAK06B,IAAIjoB,QAAQC,IAAMzP,WAAY,CAAE1B,KAAM,eAC3CvB,KAAKqmB,MAAQ+wB,IAKf,IAIE/zB,EAJE4a,EAAY21B,EAAa31B,UAC3B8b,EAAU9b,EAAU13B,OACpBoa,EAAQsd,EAAU,GAAGtd,MACrBlZ,EAAMw2B,EAAU8b,EAAU,GAAGp5B,MAAQsd,EAAU8b,EAAU,GAAGzhC,SAI9D,GAAIy7C,EACF,GAAIH,EAAa11B,OAAS01B,EAAajjB,SACrCruC,IAAOrB,IAAI,sEACXstC,EAAY,OAIZ,GAFAA,EAAYvoB,EAER4tC,EAAajjB,UAAY3qB,EAAMrF,EAAO,CAExC,KAAIgtB,EAAWlmC,IAAMkZ,GAASgtB,EAAWI,WAIvC,OAHAzrC,IAAOrB,IAAI,yEACXjB,KAAKkiC,MAAMwM,YAAc/tB,EAAQ,IAOzC,GAAIizC,EAAax7C,cAAgBw7C,EAAax7C,YAAY/R,KACxDgd,EAAOuwC,EAAax7C,iBAGjB,GAAIm2B,GAAa5tB,GAMpB,GALA0C,EAAO4a,EAAU,GACS,OAAtBj+B,KAAKyzD,cAAyBpwC,EAAKsZ,KAAO38B,KAAKyzD,eAEjDpwC,EjB3LL,SAAyB4a,EAAW+1B,GACzC,OAAOhnB,EAAaC,OAAOhP,GAAW,SAAC+V,GACrC,OAAIA,EAAUrX,GAAKq3B,EACV,EACEhgB,EAAUrX,GAAKq3B,GAChB,EAED,KiBoLMC,CAAeh2B,EAAWj+B,KAAKyzD,eAEpCG,EAAa11B,MAAQ7a,EAAK6wC,SAAW7wC,EAAK6wC,UAAYl0D,KAAKm0D,YAAa,CAG1E,IAAMC,EAAezmB,EAAWI,UAAYJ,EAAWI,UAAYptB,EAGnE,OAFAre,IAAOrB,IAAP,uCAAkDjB,KAAKkiC,MAAMwM,YAA7D,eAAsF0lB,EAAe,WACrGp0D,KAAKkiC,MAAMwM,YAAc0lB,EAAe,UAGrC,CACL,IAAIC,EACA5lB,EAAyBl9B,EAAOk9B,uBAC9BqF,EAAWD,EAAe5V,EAAU4V,EAAa7oB,GAAKiT,EAAU,GAAGjT,GAAK,QAAK5Z,EAC/E2iC,EAA8B,SAACC,GAejC,IAAIC,EAA2B5rC,KAAK0S,IAAI0zB,EAAwBuF,EAAU17B,UAC1E,OAAK07B,EAAUrzB,MAAQqzB,EAAU17B,SAAW27B,GAA6B1F,EAChE,EACEyF,EAAUrzB,MAAQszB,EAA2B1F,GAAayF,EAAUrzB,OAErE,EAGH,GAGL4tB,EAAY9mC,GACV8mC,EAAY9mC,EAAMgnC,IACpBA,EAAyB,GAKzB4lB,EADEvgB,IAAaC,EAA4BD,GAC/BA,EAEA9G,EAAaC,OAAOhP,EAAW8V,IAI7CsgB,EAAYp2B,EAAU8b,EAAU,GAE9Bsa,IACFhxC,EAAOgxC,EACP1zC,EAAQ0zC,EAAU1zC,MAEdkzB,GAAgBxwB,EAAK0Z,QAAU8W,EAAa9W,OAAS1Z,EAAK2H,KAAO6oB,EAAa7oB,KAC5E3H,EAAK2H,GAAK4oC,EAAa51B,OACzB3a,EAAO4a,EAAU5a,EAAK2H,GAAK,EAAI4oC,EAAav1B,SAC5C/7B,IAAOrB,IAAP,kCAA6CoiB,EAAK2H,KAElD3H,EAAO,OAKXA,IAEEA,EAAK82B,WACP73C,IAAOrB,IAAP,mBAA8BoiB,EAAK2H,GAAnC,QAA6C4oC,EAAav1B,QAA1D,KAAsEu1B,EAAa51B,MAAnF,WAAmGzI,GACnGv1B,KAAKqmB,MAAQ+wB,GACb1c,EAAIjoB,QAAQC,IAAMjN,YAAa,CAAE4d,KAAMA,MAEvC/gB,IAAOrB,IAAP,WAAsBoiB,EAAK2H,GAA3B,SAAsC3H,EAAKsZ,GAA3C,QAAqDi3B,EAAav1B,QAAlE,KAA8Eu1B,EAAa51B,MAA3F,WAA2GzI,EAA3G,iBAAmIvP,EAAnI,cAAoJuoB,EAAU0D,QAAQ,IAGtKjyC,KAAKw3C,YAAcn0B,GACf0wC,GAAe/zD,KAAKo0C,gBAAgB3H,SAASppB,KAAUsnB,KACzC,gBAAZtnB,EAAK2H,KACPhrB,KAAK84C,oBAAqB,GAExB,YAAgBz1B,EAAK2H,MACvBhrB,KAAKi4C,iBAAmB50B,EAAK1C,MAAQ0C,EAAK/K,UAG5CoiB,EAAIjoB,QAAQC,IAAMjO,aAAc,CAAE4e,SAClCrjB,KAAKqmB,MAAQ+wB,MAKrB,MACF,KAAKA,IACHlhC,EAAQlW,KAAKkrB,OAAOlrB,KAAKu1B,WAEZrf,EAAMtD,UACjB5S,KAAKqmB,MAAQ+wB,IAGf,MACF,KAAKA,GACH,IAAIxqB,EAAMkG,GAAYlG,MAClBusB,EAAYn5C,KAAKm5C,UAEjBmb,GADJpyB,EAAQliC,KAAKkiC,QACYA,EAAMuS,UAE1B0E,GAAcvsB,GAAOusB,GAAcmb,KACtChyD,IAAOrB,IAAI,uEACXjB,KAAKqmB,MAAQ+wB,IAEf,MACF,KAAKA,GACH,IAAMqc,EAAezzD,KAAKyzD,aAC1B,QAAmCriD,IAA/BpR,KAAKquB,QAAQolC,GACf,MAIF,IAAMc,EAAcv0D,KAAKwzD,gBACzB,GAAIe,EAAa,CACf,IAAMC,EAAgBD,EAAYlxC,KAAKsZ,GACnC82B,IAAiBe,GACnBt+C,EAAQlW,KAAKkrB,OAAOlrB,KAAKu1B,UACf3iB,SAAWsD,EAAMtD,QAAQsrB,OACjC57B,IAAOpB,KAAP,wBAAoCszD,EAApC,oCAAqFf,EAArF,KACAzzD,KAAKwzD,gBAAkB,KACvBxzD,KAAKqmB,MAAQ+wB,KAGfp3C,KAAKqmB,MAAQ+wB,GACbp3C,KAAK0sC,aAAa1sC,KAAKwzD,iBACvBxzD,KAAKwzD,gBAAkB,WAGzBxzD,KAAKqmB,MAAQ+wB,K,EAenBuF,gBAAA,SAAiBt2C,GACf,IAAI67B,EAAQliC,KAAKkiC,MAAQliC,KAAK43C,YAAcvxC,EAAK67B,MACjDliC,KAAK48C,WAAa58C,KAAK23C,eAAer3C,KAAKN,MAC3CA,KAAK+8C,SAAW/8C,KAAKm4C,aAAa73C,KAAKN,MACvCkiC,EAAMhI,iBAAiB,UAAWl6B,KAAK48C,YACvC1a,EAAMhI,iBAAiB,QAASl6B,KAAK+8C,UACrC,IAAIxrC,EAASvR,KAAKuR,OACdvR,KAAKkrB,QAAU3Z,EAAOyrC,eACxBh9C,KAAKs3C,UAAU/lC,EAAO2mC,gB,EAI1B+E,iBAAA,WACE,IAAI/a,EAAQliC,KAAKkiC,MACbA,GAASA,EAAM+S,QACjB3yC,IAAOrB,IAAI,sDACXjB,KAAKk4C,cAAgBl4C,KAAK20C,gBAAkB,GAI1CzS,IACFA,EAAMuN,oBAAoB,UAAWzvC,KAAK48C,YAC1C1a,EAAMuN,oBAAoB,QAASzvC,KAAK+8C,UACxC/8C,KAAK48C,WAAa58C,KAAK68C,UAAY78C,KAAK+8C,SAAW,MAErD/8C,KAAKkiC,MAAQliC,KAAK43C,YAAc53C,KAAK8+C,YAAc,KACnD9+C,KAAKg4C,gBAAiB,EACtBh4C,KAAKo0C,gBAAgBrH,qBACrB/sC,KAAKu3C,Y,EAGPkd,qBAAA,SAAsBpuD,GACpB/D,IAAOrB,IAAI,wBACXjB,KAAKkrB,OAAS7kB,EAAKuhC,a,EAGrBgX,sBAAA,SAAuBv4C,GAErB,IAAIuyC,IAAavyC,EAAKyC,IACtB9I,KAAKu1B,QAAUlvB,EAAKoS,GAEpBzY,KAAKw3C,YAAc,KACnBx3C,KAAKqmB,MAAQ+wB,GACbp3C,KAAKwzD,gBAAkB,KAElB5a,EAOH54C,KAAK+2C,YAtYW,KAgYZ/2C,KAAKizB,UACPjzB,KAAKizB,QAAQ9hB,UACbnR,KAAKizB,QAAU,MAQf2lB,IACF54C,KAAK+zD,aAAc,EAEnB/zD,KAAKqmB,MAAQ+wB,IAEfp3C,KAAK02C,Q,EAGP8b,mBAAA,SAAoBnsD,GAClB,IAAIyqC,EAAazqC,EAAKuM,QACpB2iB,EAAUlvB,EAAKoS,GACfvC,EAAQlW,KAAKkrB,OAAOqK,GACpBjd,EAAWw4B,EAAWtS,cACtB2T,EAAU,EAIZ,GAFA7vC,IAAOrB,IAAP,SAAoBs0B,EAApB,YAAuCub,EAAWzS,QAAlD,IAA6DyS,EAAW9S,MAAxE,cAA2F1lB,GAEvFw4B,EAAW5S,KAAM,CACnB,IAAIwU,EAAax8B,EAAMtD,QACnB8/B,GAAc5B,EAAW7S,UAAU13B,OAAS,GAE9Ck3C,GAAyB/K,EAAY5B,GACrCqB,EAAUrB,EAAW7S,UAAU,GAAGtd,MAG9BmwB,EAAWH,SACbruC,IAAOrB,IAAP,+BAA0CkxC,EAAQF,QAAQ,IAE1D3vC,IAAOrB,IAAI,yDAGb6vC,EAAWH,UAAW,EACtBruC,IAAOrB,IAAI,2DAGb6vC,EAAWH,UAAW,EAKxB,GAHAz6B,EAAMtD,QAAUk+B,GAGX9wC,KAAK84C,mBAAoB,CAE5B,IAA4B,IAAxB94C,KAAKk4C,cAAsB,CAE7B,IAAI5Z,EAAkBwS,EAAWxS,gBAC7B,YAAgBA,IAClBh8B,IAAOrB,IAAP,gEAA2Eq9B,GAC3Et+B,KAAKk4C,cAAgB5Z,GAEjBwS,EAAW5S,MACbl+B,KAAKk4C,cAAgBl4C,KAAKo4C,oBAAoBjG,EAASrB,GACvDxuC,IAAOrB,IAAP,4CAAuDjB,KAAKk4C,gBAE5Dl4C,KAAKk4C,cAAgB,EAI3Bl4C,KAAKi4C,iBAAmBj4C,KAAKk4C,cAG3Bl4C,KAAKqmB,QAAU+wB,KACjBp3C,KAAKqmB,MAAQ+wB,IAIfp3C,KAAK02C,Q,EAGPgH,YAAA,WACM19C,KAAKqmB,QAAU+wB,KACjBp3C,KAAKqmB,MAAQ+wB,GACbp3C,KAAK02C,S,EAIThK,aAAA,SAAcrmC,GACZ,IAAImxC,EAAcx3C,KAAKw3C,YACrBmG,EAAat3C,EAAKgd,KACpB,GAAIrjB,KAAKqmB,QAAU+wB,IACfI,GACoB,UAApBmG,EAAWp8C,MACXo8C,EAAW5gB,QAAUya,EAAYza,OACjC4gB,EAAW3yB,KAAOwsB,EAAYxsB,GAAI,CACpC,IAAI9U,EAAQlW,KAAKkrB,OAAOlrB,KAAKu1B,SAC3B3iB,EAAUsD,EAAMtD,QAChB0F,EAAW1F,EAAQ4rB,cACnBjJ,EAAUiiB,EAAYza,MACtB/R,EAAKwsB,EAAYxsB,GACjB2R,EAAK6a,EAAY7a,GACjBxmB,EAAanW,KAAKuR,OAAOwuC,mBAAqB7pC,EAAMC,YAAc,YAClEod,EAAQvzB,KAAKuzB,MAAQltB,EAAKktB,MAC5B,GAAW,gBAAPvI,EACFhrB,KAAKqmB,MAAQ+wB,GAEb7jB,EAAM6U,QAAU7U,EAAMsqB,UAAY/qB,GAAYlG,MAC9Cha,EAAQwF,YAAY/R,KAAOA,EAAKukB,QAChC5qB,KAAK06B,IAAIjoB,QAAQC,IAAMvN,cAAe,CAAEouB,MAAOA,EAAOlQ,KAAMm0B,EAAa/+B,GAAI,UAC7EzY,KAAK02C,WACA,CACL12C,KAAKqmB,MAAQ+wB,GAEbp3C,KAAK+9C,UAAW,EACX/9C,KAAKizB,UACRjzB,KAAKizB,QAAU,IAAI6b,EAAQ9uC,KAAK06B,IAAK,UAKvC,IAAIrM,EAAUruB,KAAKquB,QAAQsO,GACvBqhB,EAAkBprC,EAAQwF,YAAcxF,EAAQwF,YAAY/R,KAAO,GACvE,GAAIuM,EAAQwF,kBAA2BhH,IAAZid,EAAuB,CAChDruB,KAAK89C,kBAAmB,EACxBx7C,IAAOrB,IAAP,YAAuB+pB,EAAvB,QAAiCpY,EAAQyrB,QAAzC,KAAqDzrB,EAAQorB,MAA7D,WAA6EzI,GAG7Ev1B,KAAKizB,QAAQrrB,KAAKvB,EAAKukB,QAASozB,EAAiB7nC,EAAY,KAAMqhC,EAAal/B,GADvD,EACqF+V,QAE9G/rB,IAAOrB,IAAP,4CAAuD07B,EAAvD,sDAA+G3R,EAA/G,QAAyHpY,EAAQyrB,QAAjI,KAA6IzrB,EAAQorB,MAArJ,WAAqKzI,GACrKv1B,KAAKwzD,gBAAkBntD,EACvBrG,KAAKqmB,MAAQ+wB,IAInBp3C,KAAK64C,cAAgB,G,EAGvBqF,yBAAA,SAA0B73C,GACxB,IAAMmxC,EAAcx3C,KAAKw3C,YACnB2G,EAAU93C,EAAKgd,KACrB,GAAIm0B,GACY,UAAZnxC,EAAKoS,IACL0lC,EAAQnzB,KAAOwsB,EAAYxsB,IAC3BmzB,EAAQphB,QAAUya,EAAYza,OAC9B/8B,KAAKqmB,QAAU+wB,GAAe,CAChC,IAA0BlhC,EAAtBgV,EAAS7kB,EAAK6kB,OASlB,GANIA,EAAO9L,cACF8L,EAAO9L,MAIhBlJ,EAAQgV,EAAO7L,MACJ,CACTnJ,EAAMooC,WAAapoC,EAAMc,MACzBd,EAAMuC,GAAKpS,EAAKoS,GAChBzY,KAAK06B,IAAIjoB,QAAQC,IAAM7P,cAAeqoB,GACtC5oB,IAAOrB,IAAP,+BAA0CiV,EAAMsC,UAAhD,0BAAmFtC,EAAMooC,WAAzF,IAAuGpoC,EAAMc,MAA7G,KACA,IAAIoB,EAAclC,EAAMkC,YACxB,GAAIA,EAAa,CACf,IAAIs8C,EAAY,CAAEnzD,KAAM,QAAS8E,KAAM+R,EAAammC,OAAQ,QAASC,QAAS,eAC1Ex+C,KAAK+zD,YACP/zD,KAAK20D,YAAc,CAACD,IAEpB10D,KAAK+9C,UAAW,EAEhB/9C,KAAK89C,kBAAmB,EACxB99C,KAAK06B,IAAIjoB,QAAQC,IAAM3P,iBAAkB2xD,IAI7C10D,KAAK02C,U,EAKX+H,kBAAA,SAAmBp4C,GAAM,WACjBmxC,EAAcx3C,KAAKw3C,YACnB2G,EAAU93C,EAAKgd,KACrB,GAAIm0B,GACY,UAAZnxC,EAAKoS,IACS,UAAdpS,EAAK9E,MACL48C,EAAQnzB,KAAOwsB,EAAYxsB,IAC3BmzB,EAAQphB,QAAUya,EAAYza,OAC9B/8B,KAAKqmB,QAAU+wB,GAAe,CAChC,IAAI7hB,EAAUv1B,KAAKu1B,QACjBrf,EAAQlW,KAAKkrB,OAAOqK,GACpBmF,EAAM16B,KAAK06B,IAER,YAAgBr0B,EAAKynB,UACxBznB,EAAKynB,OAASznB,EAAK0nB,SAAWypB,EAAYl/B,SAC1CjS,EAAKirB,OAASjrB,EAAKgrB,SAAWmmB,EAAYl/B,UAG5Ck/B,EAAYla,oBAAoB9B,EAAsBY,OAEtD95B,IAAOrB,IAAP,UAAqBoF,EAAK9E,KAA1B,SAAuC8E,EAAK0nB,SAASkkB,QAAQ,GAA7D,IAAmE5rC,EAAKynB,OAAOmkB,QAAQ,GAAvF,UAAmG5rC,EAAKgrB,SAAS4gB,QAAQ,GAAzH,IAA+H5rC,EAAKirB,OAAO2gB,QAAQ,GAAnJ,QAA6J5rC,EAAKorB,IAClKgsB,GAA6BvnC,EAAMtD,QAAS4kC,EAAanxC,EAAK0nB,SAAU1nB,EAAKynB,QAE7E,IAAIimC,EAAc/zD,KAAK+zD,YAAa7xB,EAAQliC,KAAKkiC,MAAO0yB,GAAsB,EAE9E,GAAIb,EACF,GAAI7xB,GAASA,EAAMwY,WAAY,CAC7B,IAAIhM,EAAcxM,EAAMwM,YACxBpsC,IAAOrB,IAAI,uCAAyCytC,GAChDA,GAAeroC,EAAK0nB,WACtBzrB,IAAOrB,IAAI,8CACXjB,KAAKqmB,MAAQ+wB,GACb1c,EAAIjoB,QAAQC,IAAMxP,gBAAiB,CAAEs5C,YAAa,EAAGC,UAAWz2C,OAAO+1C,kBAAmBx6C,KAAM,UAChGqzD,GAAsB,EAEtB50D,KAAK+zD,aAAc,EACnBr5B,EAAIjoB,QAAQC,IAAM1O,qBAAsB,CAAEyU,GAAI8c,UAIhDv1B,KAAK+zD,aAAc,EACnBr5B,EAAIjoB,QAAQC,IAAM1O,qBAAsB,CAAEyU,GAAI8c,IAIlD,IAAIo/B,EAAc30D,KAAK20D,YAEvB,IAAKA,EAGH,OAFAryD,IAAOpB,KAAK,8FACZw5B,EAAIjoB,QAAQC,IAAMnN,MAAO,CAAEhE,KAAMsE,IAAW8M,YAAaC,QAAS,KAAME,OAAO,IAI5E9S,KAAK+zD,cACR,CAAC1tD,EAAK8qB,MAAO9qB,EAAK+qB,OAAOjvB,SAAQ,SAAAuG,GAC3BA,GAAUA,EAAOnC,QACnBouD,EAAY/sD,KAAK,CAAErG,KAAM8E,EAAK9E,KAAM8E,KAAMqC,EAAQ61C,OAAQ,QAASC,QAAS,aAG3EoW,GAAuBD,EAAYpuD,SACtCouD,EAAYxyD,SAAQ,SAAAuyD,GAGd,EAAKruC,QAAU+wB,KAEjB,EAAK0G,kBAAmB,EACxB,EAAKpjB,IAAIjoB,QAAQC,IAAM3P,iBAAkB2xD,OAG7C10D,KAAK20D,YAAc,GACnB30D,KAAK+9C,UAAW,IAIpB/9C,KAAK02C,S,EAITgI,aAAA,SAAcr4C,GACZ,IAAMmxC,EAAcx3C,KAAKw3C,YACnB2G,EAAU93C,EAAKgd,KACjBm0B,GACY,UAAZnxC,EAAKoS,IACL0lC,EAAQnzB,KAAOwsB,EAAYxsB,IAC3BmzB,EAAQphB,QAAUya,EAAYza,OAC9B/8B,KAAKqmB,QAAU+wB,KACjBp3C,KAAKuzB,MAAM6U,QAAUtV,GAAYlG,MACjC5sB,KAAKqmB,MAAQ+wB,GACbp3C,KAAK2+C,yB,EAITsN,cAAA,WAEEjsD,KAAK43C,YAAc53C,KAAK8+C,YAAc,KACtC9+C,KAAKg4C,gBAAiB,G,EAGxB+G,gBAAA,SAAiB14C,GACf,IAAI2a,EAAa3a,EAAK6kB,OAAO7L,MACzB2B,IACFhhB,KAAK43C,YAAc52B,EAAWtY,OAC9B1I,KAAKg4C,gBAAiB,GAEpB3xC,EAAK6kB,OAAO9L,QACdpf,KAAK8+C,YAAcz4C,EAAK6kB,OAAO9L,MAAM1W,S,EAIzCkkC,iBAAA,SAAkBvmC,GAChB,GAAoB,UAAhBA,EAAKk4C,OAAoB,CAC3B,IAAMl4B,EAAQrmB,KAAKqmB,MACfA,IAAU+wB,IAAiB/wB,IAAU+wB,KAEvCp3C,KAAK89C,iBAAoBz3C,EAAK64C,QAAU,EACxCl/C,KAAK2+C,0B,EAKXA,qBAAA,WAEE,KAAI3+C,KAAKqmB,QAAU+wB,IAAkBp3C,KAAK+9C,UAAa/9C,KAAK89C,kBAAmB,CAC7E,IAAIz6B,EAAOrjB,KAAKw3C,YAAajkB,EAAQvzB,KAAKuzB,MAAOmH,EAAM16B,KAAK06B,IAC5D,GAAIrX,EAAM,CACRrjB,KAAK6zC,aAAexwB,EACpBkQ,EAAMsqB,UAAY/qB,GAAYlG,MAC9B8N,EAAIjoB,QAAQC,IAAMvN,cAAe,CAAEouB,MAAOA,EAAOlQ,KAAMA,EAAM5K,GAAI,UACjE,IAAIypB,EAAQliC,KAAK43C,YAAc53C,KAAK43C,YAAc53C,KAAKkiC,MACnDA,GACF5/B,IAAOrB,IAAP,oBAA+B+wC,GAAW1sB,SAAS4c,EAAMiJ,WAEvDnrC,KAAK+zD,aAAe/zD,KAAK+9C,WAC3B/9C,KAAK+zD,aAAc,EACnBr5B,EAAIjoB,QAAQC,IAAM1O,qBAAsB,CAAEyU,GAAIzY,KAAKu1B,WAErDv1B,KAAKqmB,MAAQ+wB,GAEfp3C,KAAK02C,S,EAIT3P,QAAA,SAAS1gC,GACP,IAAIgd,EAAOhd,EAAKgd,KAEhB,IAAIA,GAAsB,UAAdA,EAAK9hB,KAIjB,OAAQ8E,EAAKuM,SACb,KAAK9M,IAAaokC,gBAClB,KAAKpkC,IAAaqkC,kBAChB,IAAM9mB,EAAOhd,EAAKgd,KAElB,GAAIA,GAAsB,UAAdA,EAAK9hB,KACf,MAGF,IAAK8E,EAAKyM,MAAO,CACf,IAAI8tC,EAAY5gD,KAAK64C,cACjB+H,EACFA,IAEAA,EAAY,EAGd,IAAMrvC,EAASvR,KAAKuR,OACpB,GAAIqvC,GAAarvC,EAAO+tC,oBAAqB,CAC3Ct/C,KAAK64C,cAAgB+H,EAErB,IAAMrB,EAAQl3C,KAAK0S,IAAI1S,KAAK+e,IAAI,EAAGw5B,EAAY,GAAKrvC,EAAOi5B,sBAAuBj5B,EAAOw4B,4BACzFznC,IAAOpB,KAAP,wDAAoEq+C,EAApE,OACAv/C,KAAKm5C,UAAYrmB,GAAYlG,MAAQ2yB,EAErCv/C,KAAKqmB,MAAQ+wB,QAEb90C,IAAOlB,MAAP,0BAAuCiF,EAAKuM,QAA5C,+CAEAvM,EAAKyM,OAAQ,EACb9S,KAAKqmB,MAAQ+wB,GAGjB,MACF,KAAKtxC,IAAaqjC,uBAClB,KAAKrjC,IAAaojC,yBAClB,KAAKpjC,IAAa2kC,eAClB,KAAK3kC,IAAa4kC,iBAEZ1qC,KAAKqmB,QAAU+wB,KAEjBp3C,KAAKqmB,MAAQhgB,EAAKyM,MAAQskC,GAAcA,GACxC90C,IAAOpB,KAAP,0BAAsCmF,EAAKuM,QAA3C,yCAA2F5S,KAAKqmB,MAAhG,eAEF,MACF,KAAKvgB,IAAa25C,kBAEhB,GAAoB,UAAhBp5C,EAAKk4C,SAAuBv+C,KAAKqmB,QAAU+wB,IAAiBp3C,KAAKqmB,QAAU+wB,IAAe,CAC5F,IAAMlV,EAAQliC,KAAK43C,YACjBlJ,EAAc1uC,KAAKkiC,MAAMwM,YAG3B,GAFkBxM,GAASuL,EAAaC,WAAWxL,EAAOwM,IAAgBjB,EAAaC,WAAWxL,EAAOwM,EAAc,IAEpG,CACjB,IAAMn9B,EAASvR,KAAKuR,OAChBA,EAAOsoC,oBAAsBtoC,EAAOqoC,kBAEtCroC,EAAOsoC,oBAAsB,EAC7Bv3C,IAAOpB,KAAP,sDAAkEqQ,EAAOsoC,mBAAzE,MAEF75C,KAAKqmB,MAAQ+wB,QAKb90C,IAAOpB,KAAK,uGACZlB,KAAKw3C,YAAc,KAEnBx3C,KAAKqmB,MAAQ+wB,GACbp3C,KAAK06B,IAAIjoB,QAAQC,IAAMxP,gBAAiB,CAAEs5C,YAAa,EAAGC,UAAWz2C,OAAO+1C,kBAAmBx6C,KAAM,a,EAS7Gs+C,gBAAA,WAAmB,WACb8U,EAAc30D,KAAK20D,YACnBA,GAAeA,EAAYpuD,QAC7BjE,IAAOrB,IAAI,4EACX0zD,EAAYxyD,SAAQ,SAAAuyD,GAClB,EAAKh6B,IAAIjoB,QAAQC,IAAM3P,iBAAkB2xD,MAE3C10D,KAAK+9C,UAAW,EAChB/9C,KAAK20D,YAAc,GACnB30D,KAAKqmB,MAAQ+wB,KAGbp3C,KAAKqmB,MAAQ+wB,GAEbp3C,KAAK6zC,aAAe,KACpB7zC,KAAK02C,S,kCA5tBEsJ,GACT,GAAIhgD,KAAKqmB,QAAU25B,EAAW,CAC5B,IAAMC,EAAgBjgD,KAAKqmB,MAC3BrmB,KAAK04C,OAASsH,EACd19C,IAAOrB,IAAP,gBAA2Bg/C,EAA3B,KAA6CD,K,eAK/C,OAAOhgD,KAAK04C,Y,gCA5EoBrB,ICJrB,cACb,GAAsB,oBAAXttC,QAA0BA,OAAOu6C,OAC1C,OAAOv6C,OAAOu6C,OAGhB,IACIuQ,EAAmB,CACrB,IAAI,EACJC,IAAI,EACJC,IAAI,GAEFC,EAAe,CACjBr0C,OAAO,EACPs0C,QAAQ,EACRxtD,KAAK,EACL47C,MAAM,EACNC,OAAO,GAYT,SAAS4R,EAAkB90D,GACzB,MAAqB,iBAAVA,MAIC40D,EAAa50D,EAAMuW,gBAChBvW,EAAMuW,eAGvB,SAASw+C,EAAQC,GAEf,IADA,IAAInuD,EAAI,EACDA,EAAImO,UAAU7O,OAAQU,IAAK,CAChC,IAAIouD,EAAOjgD,UAAUnO,GACrB,IAAK,IAAI6vB,KAAKu+B,EACZD,EAAIt+B,GAAKu+B,EAAKv+B,GAIlB,OAAOs+B,EAGT,SAAS9Q,EAAQjxB,EAAWC,EAASzqB,GACnC,IAAIo7C,EAAMjkD,KACNs1D,EAAU,CAEdA,YAAqB,GAUrBrR,EAAIsR,cAAe,EAOnB,IAAIC,EAAM,GACNC,GAAe,EACfC,EAAariC,EACbsiC,EAAWriC,EACXsiC,EAAQ/sD,EACRgtD,EAAU,KACVC,EAAY,GACZC,GAAe,EACfC,EAAQ,OACRC,EAAa,QACbC,EAAY,GACZC,EAAiB,SACjBC,EAAQ,GACRC,EAAS,SAEb91D,OAAOk2B,eAAewtB,EAAK,KAAMkR,EAAO,GAAIG,EAAS,CACnDp1D,IAAK,WACH,OAAOs1D,GAETx6C,IAAK,SAAU5a,GACbo1D,EAAM,GAAKp1D,MAIfG,OAAOk2B,eAAewtB,EAAK,cAAekR,EAAO,GAAIG,EAAS,CAC5Dp1D,IAAK,WACH,OAAOu1D,GAETz6C,IAAK,SAAU5a,GACbq1D,IAAiBr1D,MAIrBG,OAAOk2B,eAAewtB,EAAK,YAAakR,EAAO,GAAIG,EAAS,CAC1Dp1D,IAAK,WACH,OAAOw1D,GAET16C,IAAK,SAAU5a,GACb,GAAqB,iBAAVA,EACT,MAAM,IAAIsT,UAAU,uCAGtBgiD,EAAat1D,EACbJ,KAAKu1D,cAAe,MAIxBh1D,OAAOk2B,eAAewtB,EAAK,UAAWkR,EAAO,GAAIG,EAAS,CACxDp1D,IAAK,WACH,OAAOy1D,GAET36C,IAAK,SAAU5a,GACb,GAAqB,iBAAVA,EACT,MAAM,IAAIsT,UAAU,qCAGtBiiD,EAAWv1D,EACXJ,KAAKu1D,cAAe,MAIxBh1D,OAAOk2B,eAAewtB,EAAK,OAAQkR,EAAO,GAAIG,EAAS,CACrDp1D,IAAK,WACH,OAAO01D,GAET56C,IAAK,SAAU5a,GACbw1D,EAAQ,GAAKx1D,EACbJ,KAAKu1D,cAAe,MAIxBh1D,OAAOk2B,eAAewtB,EAAK,SAAUkR,EAAO,GAAIG,EAAS,CACvDp1D,IAAK,WACH,OAAO21D,GAET76C,IAAK,SAAU5a,GACby1D,EAAUz1D,EACVJ,KAAKu1D,cAAe,MAIxBh1D,OAAOk2B,eAAewtB,EAAK,WAAYkR,EAAO,GAAIG,EAAS,CACzDp1D,IAAK,WACH,OAAO41D,GAET96C,IAAK,SAAU5a,GACb,IAAIk2D,EAzIV,SAA+Bl2D,GAC7B,MAAqB,iBAAVA,MAIDy0D,EAAiBz0D,EAAMuW,gBACpBvW,EAAMuW,eAmID4/C,CAAqBn2D,GAEnC,IAAgB,IAAZk2D,EACF,MAAM,IAAIE,YAAY,+CAGxBV,EAAYQ,EACZt2D,KAAKu1D,cAAe,MAIxBh1D,OAAOk2B,eAAewtB,EAAK,cAAekR,EAAO,GAAIG,EAAS,CAC5Dp1D,IAAK,WACH,OAAO61D,GAET/6C,IAAK,SAAU5a,GACb21D,IAAiB31D,EACjBJ,KAAKu1D,cAAe,MAIxBh1D,OAAOk2B,eAAewtB,EAAK,OAAQkR,EAAO,GAAIG,EAAS,CACrDp1D,IAAK,WACH,OAAO81D,GAETh7C,IAAK,SAAU5a,GACb,GAAqB,iBAAVA,GAjLC,SAiLqBA,EAC/B,MAAM,IAAIo2D,YAAY,sDAGxBR,EAAQ51D,EACRJ,KAAKu1D,cAAe,MAIxBh1D,OAAOk2B,eAAewtB,EAAK,YAAakR,EAAO,GAAIG,EAAS,CAC1Dp1D,IAAK,WACH,OAAO+1D,GAETj7C,IAAK,SAAU5a,GACb,IAAIk2D,EAAUpB,EAAiB90D,GAC/B,IAAKk2D,EACH,MAAM,IAAIE,YAAY,+CAGxBP,EAAaK,EACbt2D,KAAKu1D,cAAe,MAIxBh1D,OAAOk2B,eAAewtB,EAAK,WAAYkR,EAAO,GAAIG,EAAS,CACzDp1D,IAAK,WACH,OAAOg2D,GAETl7C,IAAK,SAAU5a,GACb,GAAIA,EAAQ,GAAKA,EAAQ,IACvB,MAAM,IAAI0K,MAAM,uCAGlBorD,EAAY91D,EACZJ,KAAKu1D,cAAe,MAIxBh1D,OAAOk2B,eAAewtB,EAAK,gBAAiBkR,EAAO,GAAIG,EAAS,CAC9Dp1D,IAAK,WACH,OAAOi2D,GAETn7C,IAAK,SAAU5a,GACb,IAAIk2D,EAAUpB,EAAiB90D,GAC/B,IAAKk2D,EACH,MAAM,IAAIE,YAAY,+CAGxBL,EAAiBG,EACjBt2D,KAAKu1D,cAAe,MAIxBh1D,OAAOk2B,eAAewtB,EAAK,OAAQkR,EAAO,GAAIG,EAAS,CACrDp1D,IAAK,WACH,OAAOk2D,GAETp7C,IAAK,SAAU5a,GACb,GAAIA,EAAQ,GAAKA,EAAQ,IACvB,MAAM,IAAI0K,MAAM,mCAGlBsrD,EAAQh2D,EACRJ,KAAKu1D,cAAe,MAIxBh1D,OAAOk2B,eAAewtB,EAAK,QAASkR,EAAO,GAAIG,EAAS,CACtDp1D,IAAK,WACH,OAAOm2D,GAETr7C,IAAK,SAAU5a,GACb,IAAIk2D,EAAUpB,EAAiB90D,GAC/B,IAAKk2D,EACH,MAAM,IAAIE,YAAY,+CAGxBH,EAASC,EACTt2D,KAAKu1D,cAAe,MASxBtR,EAAIwS,kBAAe,EAarB,OANAnS,EAAO9jD,UAAUk2D,aAAe,WAG9B,OADa3sD,OAAO4sD,OACNC,oBAAoB7sD,OAAQ/J,KAAK6I,OAG1Cy7C,EA1RM,GCVTuS,GAAgB,WACpB,MAAO,CACL1tD,OAAQ,SAAU9C,GAChB,IAAKA,EACH,MAAO,GAGT,GAAoB,iBAATA,EACT,MAAM,IAAIyE,MAAM,iCAGlB,OAAOgsD,mBAAmBC,mBAAmB1wD,OAKnD,SAAS2wD,KACPh3D,KAAK+J,OAASA,OACd/J,KAAKqmB,MAAQ,UACbrmB,KAAK0I,OAAS,GACd1I,KAAKkG,QAAU,IAAI2wD,GACnB72D,KAAKi3D,WAAa,GA6BpB,SAASC,KACPl3D,KAAKm3D,OAAS52D,OAAO0T,OAAO,MAyD9B,SAASmjD,GAAcz3B,EAAO5tB,EAAUslD,EAAeC,GACrD,IAAI72B,EAAS62B,EAAa33B,EAAM3zB,MAAMsrD,GAAc,CAAC33B,GACrD,IAAK,IAAI14B,KAAKw5B,EACZ,GAAyB,iBAAdA,EAAOx5B,GAAlB,CAIA,IAAIswD,EAAK92B,EAAOx5B,GAAG+E,MAAMqrD,GACzB,GAAkB,IAAdE,EAAGhxD,OAMPwL,EAFQwlD,EAAG,GACHA,EAAG,KAnEfL,GAAS12D,UAAY,CAEnBwa,IAAK,SAAUw8C,EAAGC,GACXz3D,KAAKE,IAAIs3D,IAAY,KAANC,IAClBz3D,KAAKm3D,OAAOK,GAAKC,IAQrBv3D,IAAK,SAAUs3D,EAAGE,EAAMC,GACtB,OAAIA,EACK33D,KAAKgT,IAAIwkD,GAAKx3D,KAAKm3D,OAAOK,GAAKE,EAAKC,GAGtC33D,KAAKgT,IAAIwkD,GAAKx3D,KAAKm3D,OAAOK,GAAKE,GAGxC1kD,IAAK,SAAUwkD,GACb,OAAOA,KAAKx3D,KAAKm3D,QAGnBS,IAAK,SAAUJ,EAAGC,EAAGhoC,GACnB,IAAK,IAAImH,EAAI,EAAGA,EAAInH,EAAElpB,SAAUqwB,EAC9B,GAAI6gC,IAAMhoC,EAAEmH,GAAI,CACd52B,KAAKgb,IAAIw8C,EAAGC,GACZ,QAKNI,QAAS,SAAUL,EAAGC,GAChB,UAAU3gD,KAAK2gD,IACjBz3D,KAAKgb,IAAIw8C,EAAGj9C,SAASk9C,EAAG,MAI5BK,QAAS,SAAUN,EAAGC,GAEpB,SAASA,EAAEvqC,MAAM,8BACfuqC,EAAIl4B,WAAWk4B,KACN,GAAKA,GAAK,OACjBz3D,KAAKgb,IAAIw8C,EAAGC,IACL,KA2Bf,IAAIM,GAAW,IAAIzT,GAAO,EAAG,EAAG,GAG5B0T,GAA4B,WAAnBD,GAASE,MAAqB,SAAW,SAEtD,SAASC,GAAUv4B,EAAOskB,EAAKgT,GAE7B,IAAIkB,EAASx4B,EAEb,SAASy4B,IACP,IAAIC,EA/GR,SAAyB14B,GACvB,SAAS24B,EAAgBzyC,EAAG0Q,EAAGU,EAAGD,GAChC,OAAiB,MAAL,EAAJnR,GAA0B,IAAL,EAAJ0Q,IAAmB,EAAJU,IAAc,EAAJD,GAAS,IAG7D,IAAIT,EAAIoJ,EAAMzS,MAAM,oCACpB,OAAKqJ,EAIDA,EAAE,GAEG+hC,EAAe/hC,EAAE,GAAIA,EAAE,GAAIA,EAAE,GAAGhtB,QAAQ,IAAK,IAAKgtB,EAAE,IAClDA,EAAE,GAAK,GAGT+hC,EAAe/hC,EAAE,GAAIA,EAAE,GAAI,EAAGA,EAAE,IAGhC+hC,EAAe,EAAG/hC,EAAE,GAAIA,EAAE,GAAIA,EAAE,IAZhC,KAwGEgiC,CAAe54B,GACxB,GAAW,OAAP04B,EACF,MAAM,IAAIvtD,MAAM,wBAA0BqtD,GAK5C,OADAx4B,EAAQA,EAAMp2B,QAAQ,iBAAkB,IACjC8uD,EAyET,SAASG,IACP74B,EAAQA,EAAMp2B,QAAQ,OAAQ,IAOhC,GAHAivD,IACAvU,EAAI5wB,UAAY+kC,IAChBI,IAC2B,WAAvB74B,EAAMmB,OAAO,EAAG,GAClB,MAAM,IAAIh2B,MAAM,qEACdqtD,GAEJx4B,EAAQA,EAAMmB,OAAO,GACrB03B,IACAvU,EAAI3wB,QAAU8kC,IAGdI,IAtFA,SAA6B74B,EAAOskB,GAClC,IAAIwU,EAAW,IAAIvB,GAEnBE,GAAaz3B,GAAO,SAAU63B,EAAGC,GAC/B,OAAQD,GACR,IAAK,SAEH,IAAK,IAAIvwD,EAAIgwD,EAAW1wD,OAAS,EAAGU,GAAK,EAAGA,IAC1C,GAAIgwD,EAAWhwD,GAAGwR,KAAOg/C,EAAG,CAC1BgB,EAASz9C,IAAIw8C,EAAGP,EAAWhwD,GAAGyxD,QAC9B,MAGJ,MACF,IAAK,WACHD,EAASb,IAAIJ,EAAGC,EAAG,CAAC,KAAM,OAC1B,MACF,IAAK,OACH,IAAIkB,EAAOlB,EAAEzrD,MAAM,KACjB4sD,EAAQD,EAAK,GACfF,EAASZ,QAAQL,EAAGoB,GAChBH,EAASX,QAAQN,EAAGoB,IACtBH,EAASz9C,IAAI,eAAe,GAG9By9C,EAASb,IAAIJ,EAAGoB,EAAO,CAAC,SACJ,IAAhBD,EAAKpyD,QACPkyD,EAASb,IAAI,YAAae,EAAK,GAAI,CAAC,QAASX,GAAQ,QAGvD,MACF,IAAK,WACHW,EAAOlB,EAAEzrD,MAAM,KACfysD,EAASX,QAAQN,EAAGmB,EAAK,IACL,IAAhBA,EAAKpyD,QACPkyD,EAASb,IAAI,gBAAiBe,EAAK,GAAI,CAAC,QAASX,GAAQ,MAAO,YAAa,aAAc,SAG7F,MACF,IAAK,OACHS,EAASX,QAAQN,EAAGC,GACpB,MACF,IAAK,QACHgB,EAASb,IAAIJ,EAAGC,EAAG,CAAC,QAASO,GAAQ,MAAO,OAAQ,aAGrD,IAAK,MAGR/T,EAAIyU,OAASD,EAASv4D,IAAI,SAAU,MACpC+jD,EAAI4U,SAAWJ,EAASv4D,IAAI,WAAY,IACxC,IAAI44D,EAAOL,EAASv4D,IAAI,OAAQ,QACnB,SAAT44D,IAAsC,IAAnBf,GAASe,OAE9BA,GAAQ,GAEV7U,EAAI6U,KAAOA,EACX7U,EAAI8U,UAAYN,EAASv4D,IAAI,YAAa,SAC1C+jD,EAAI+U,YAAcP,EAASv4D,IAAI,eAAe,GAC9C+jD,EAAIp9C,KAAO4xD,EAASv4D,IAAI,OAAQ,KAChC+jD,EAAIgU,MAAQQ,EAASv4D,IAAI,QAAS83D,IAClC,IAAIp9C,EAAW69C,EAASv4D,IAAI,WAAY,QACvB,SAAb0a,GAA6C,KAAtBm9C,GAASn9C,WAElCA,EAAyB,UAAdqpC,EAAIgU,OAAmC,SAAdhU,EAAIgU,MAAmB,EAAkB,QAAdhU,EAAIgU,OAAiC,UAAdhU,EAAIgU,MAAoB,IAAM,IAEtHhU,EAAIrpC,SAAWA,EAqBjBq+C,CAAmBt5B,EAAOskB,GAG5B,SAASiV,GAAev5B,GACtB,OAAOA,EAAMp2B,QAAQ,iBAAkB,MAGzCytD,GAAUx2D,UAAY,CACpB45B,MAAO,SAAU/zB,GACf,IAAI2D,EAAOhK,KAUX,SAASm5D,IACP,IAAIzwD,EAASsB,EAAKtB,OACdsd,EAAM,EAIV,IAFAtd,EAASwwD,GAAcxwD,GAEhBsd,EAAMtd,EAAOnC,QAA0B,OAAhBmC,EAAOsd,IAAiC,OAAhBtd,EAAOsd,MACzDA,EAGJ,IAAI8yC,EAAOpwD,EAAOo4B,OAAO,EAAG9a,GAW5B,MAToB,OAAhBtd,EAAOsd,MACPA,EAGgB,OAAhBtd,EAAOsd,MACPA,EAGJhc,EAAKtB,OAASA,EAAOo4B,OAAO9a,GACrB8yC,EA1BLzyD,IAEF2D,EAAKtB,QAAUsB,EAAK9D,QAAQiD,OAAO9C,EAAM,CAAE+c,QAAQ,KAyCrD,IACE,IAAI01C,EACJ,GAAmB,YAAf9uD,EAAKqc,MAAqB,CAE5B,IAAK,UAAUvP,KAAK9M,EAAKtB,QACvB,OAAO1I,KAMT,IAAIu2B,GAHJuiC,EAAOK,KAGMjsC,MAAM,4BACnB,IAAKqJ,IAAMA,EAAE,GACX,MAAM,IAAIzrB,MAAM,+BAGlBd,EAAKqc,MAAQ,SAIf,IADA,IAAI+yC,GAAuB,EACpBpvD,EAAKtB,QAAQ,CAElB,IAAK,UAAUoO,KAAK9M,EAAKtB,QACvB,OAAO1I,KAST,OANKo5D,EAGHA,GAAuB,EAFvBN,EAAOK,IAKDnvD,EAAKqc,OACb,IAAK,SAEC,IAAIvP,KAAKgiD,GA/CjB1B,GAgDkB0B,GAhDE,SAAUtB,EAAGC,MAQ9B,KAyCaqB,IAEV9uD,EAAKqc,MAAQ,MAEf,SACF,IAAK,OAEEyyC,IACH9uD,EAAKqc,MAAQ,MAGf,SACF,IAAK,KAEH,GAAI,iBAAiBvP,KAAKgiD,GAAO,CAC/B9uD,EAAKqc,MAAQ,OACb,MAGF,IAAKyyC,EACH,SAMF,GAHA9uD,EAAKi6C,IAAM,IAAIK,GAAO,EAAG,EAAG,IAC5Bt6C,EAAKqc,MAAQ,OAEgB,IAAzByyC,EAAKzvD,QAAQ,UAAe,CAC9BW,EAAKi6C,IAAIxrC,GAAKqgD,EACd,SAIJ,IAAK,MAEH,IACEZ,GAASY,EAAM9uD,EAAKi6C,IAAKj6C,EAAKitD,YAC9B,MAAO50D,GAEP2H,EAAKi6C,IAAM,KACXj6C,EAAKqc,MAAQ,SACb,SAEFrc,EAAKqc,MAAQ,UACb,SACF,IAAK,UACH,IAAIgzC,GAAwC,IAAzBP,EAAKzvD,QAAQ,UAKhC,IAAKyvD,GAAQO,IAAiBD,GAAuB,GAAO,CAEtDpvD,EAAKsvD,OACPtvD,EAAKsvD,MAAMtvD,EAAKi6C,KAGlBj6C,EAAKi6C,IAAM,KACXj6C,EAAKqc,MAAQ,KACb,SAEErc,EAAKi6C,IAAIp7C,OACXmB,EAAKi6C,IAAIp7C,MAAQ,MAGnBmB,EAAKi6C,IAAIp7C,MAAQiwD,EACjB,SACF,IAAK,SAEEA,IACH9uD,EAAKqc,MAAQ,MAGf,WAGJ,MAAOhkB,GAEY,YAAf2H,EAAKqc,OAAuBrc,EAAKi6C,KAAOj6C,EAAKsvD,OAC/CtvD,EAAKsvD,MAAMtvD,EAAKi6C,KAGlBj6C,EAAKi6C,IAAM,KAGXj6C,EAAKqc,MAAuB,YAAfrc,EAAKqc,MAAsB,YAAc,SAExD,OAAOrmB,MAETu5D,MAAO,WAEL,IAWE,GAZSv5D,KAGJ0I,QAHI1I,KAGWkG,QAAQiD,UAHnBnJ,KAKAikD,KAAsB,WALtBjkD,KAKYqmB,SALZrmB,KAMF0I,QAAU,OANR1I,KAOFo6B,SAKY,YAZVp6B,KAYAqmB,MACP,MAAM,IAAIvb,MAAM,+BAElB,MAAOzI,GACP,MAAMA,EAMR,OAtBWrC,KAkBFw5D,SAlBEx5D,KAmBJw5D,UAGAx5D,OAMIg3D,UCzbR,SAASyC,GAAQvjD,EAAkBmd,EAAmBC,EAAiBomC,GAS5E,IARA,IAAIC,EAEA1V,EACA2V,EACAC,EACAhxD,EACAy7C,EAAkBv6C,OAAeu6C,QAAoBC,aAEhD5tB,EAAI,EAAGA,EAAI+iC,EAAcI,KAAKvzD,OAAQowB,IAM7C,GAJAijC,GAAY,EACZC,EAAS,EACThxD,EAAO,KAHP8wD,EAAMD,EAAcI,KAAKnjC,IAKhBojC,UAAW,CAClB,IAAK,IAAIvwD,EAAI,EAAGA,EAAImwD,EAAIK,MAAMzzD,OAAQiD,IAChCmwD,EAAIK,MAAMxwD,GAAGywD,MAAM/sC,MAAM,OAAS0sC,EACpCC,KAEAhxD,GAAQ8wD,EAAIK,MAAMxwD,GAAGywD,MACrBL,GAAY,GAIhBD,EAAIO,aAAe7mC,EAGfA,IAAcC,IAChBA,GAAW,MAGb2wB,EAAM,IAAIK,EAAOjxB,EAAWC,EAAS4lC,GAAcrwD,EAAK6B,SAEpDmvD,GAAU,GACZA,IAEAA,IAKEnjD,UAAUD,UAAUyW,MAAM,aAC5B+2B,EAAI6U,KAAOniC,EAAI,EAEfstB,EAAI6U,KAAQniC,EAAI,EAAIA,EAAI,EAAIA,EAAI,EAGlCstB,EAAIgU,MAAQ,OAEZhU,EAAIrpC,SAAWvS,KAAKslB,IAAI,EAAGtlB,KAAK0S,IAAI,IAAY8+C,EAAS,GAAhB,MACzC3jD,EAAMsuC,OAAOP,IClBnB,IA0HKkW,GA1HDC,GAA0B,CAC5B,GAAM,IACN,GAAM,IACN,GAAM,IACN,GAAM,IACN,GAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,KAIN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,KACN,IAAM,IACN,IAAM,IACN,IAAM,KACN,IAAM,IACN,IAAM,GACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IAGN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,KACN,IAAM,IACN,IAAM,GACN,IAAM,KACN,IAAM,KACN,IAAM,IACN,IAAM,KACN,IAAM,KACN,IAAM,KACN,IAAM,KACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IAGN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,GACN,IAAM,GACN,IAAM,GACN,IAAM,IACN,IAAM,KACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,KACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,KACN,IAAM,KACN,IAAM,KACN,IAAM,MAMJC,GAAiB,SAAUC,GAC7B,IAAIC,EAAWD,EAKf,OAJIF,GAAwB35D,eAAe65D,KACzCC,EAAWH,GAAwBE,IAG9BhzD,OAAOC,aAAagzD,IAMzBC,GAAa,CAAE,GAAM,EAAG,GAAM,EAAG,GAAM,EAAG,GAAM,EAAG,GAAM,EAAG,GAAM,GAAI,GAAM,GAAI,GAAM,IACtFC,GAAc,CAAE,GAAM,EAAG,GAAM,EAAG,GAAM,EAAG,GAAM,EAAG,GAAM,GAAI,GAAM,GAAI,GAAM,IAC9EC,GAAa,CAAE,GAAM,EAAG,GAAM,EAAG,GAAM,EAAG,GAAM,EAAG,GAAM,EAAG,GAAM,GAAI,GAAM,GAAI,GAAM,IACtFC,GAAc,CAAE,GAAM,EAAG,GAAM,EAAG,GAAM,EAAG,GAAM,EAAG,GAAM,GAAI,GAAM,GAAI,GAAM,IAE9EC,GAAmB,CAAC,QAAS,QAAS,OAAQ,OAAQ,MAAO,SAAU,UAAW,QAAS,gB,SAE1FT,O,iBAAAA,I,eAAAA,I,qBAAAA,I,eAAAA,I,iBAAAA,I,gBAAAA,Q,KAYL,IAAI73D,GAaA,CACFu4D,cAAe,CAAE,KAAQ,EAAG,MAAS,EAAG,KAAQ,EAAG,QAAW,EAAG,KAAQ,EAAG,MAAS,GACrFpvB,KAAM,KACNqvB,aAAc,EACdC,QAAS,SAAUC,GACjBh7D,KAAKyrC,KAAOuvB,GAEd/5D,IAAK,SAAUg6D,EAAUz5D,GACRxB,KAAK66D,cAAcI,GAC9Bj7D,KAAK86D,eAMTI,GAAqB,SAAUC,GAEjC,IADA,IAAIC,EAAqB,GAChB9lD,EAAI,EAAGA,EAAI6lD,EAAS50D,OAAQ+O,IACnC8lD,EAASxzD,KAAKuzD,EAAS7lD,GAAGgQ,SAAS,KAGrC,OAAO81C,GAWHC,G,WAOJ,WAAaC,EAAqBC,EAAqBC,EAAmBC,EAAqBC,GAAiB,KANzGJ,gBAMyG,OALzGC,eAKyG,OAJzGC,aAIyG,OAHzGC,gBAGyG,OAFzGC,WAEyG,EAC9G17D,KAAKs7D,WAAaA,GAAc,QAChCt7D,KAAKu7D,UAAYA,IAAa,EAC9Bv7D,KAAKw7D,QAAUA,IAAW,EAC1Bx7D,KAAKy7D,WAAaA,GAAc,QAChCz7D,KAAK07D,MAAQA,IAAS,E,2BAGxBC,MAAA,WACE37D,KAAKs7D,WAAa,QAClBt7D,KAAKu7D,WAAY,EACjBv7D,KAAKw7D,SAAU,EACfx7D,KAAKy7D,WAAa,QAClBz7D,KAAK07D,OAAQ,G,EAGfE,UAAA,SAAWC,GAET,IADA,IAAIC,EAAU,CAAC,aAAc,YAAa,UAAW,aAAc,SAC1D70D,EAAI,EAAGA,EAAI60D,EAAQv1D,OAAQU,IAAK,CACvC,IAAI80D,EAAQD,EAAQ70D,GAChB40D,EAAOp7D,eAAes7D,KACxB/7D,KAAK+7D,GAASF,EAAOE,M,EAK3BC,UAAA,WACE,MAA4B,UAApBh8D,KAAKs7D,aAA2Bt7D,KAAKu7D,YAAcv7D,KAAKw7D,SAChC,UAApBx7D,KAAKy7D,aAA2Bz7D,KAAK07D,O,EAGnDO,OAAA,SAAQC,GACN,OAASl8D,KAAKs7D,aAAeY,EAAMZ,YACrBt7D,KAAKu7D,YAAcW,EAAMX,WACzBv7D,KAAKw7D,UAAYU,EAAMV,SACvBx7D,KAAKy7D,aAAeS,EAAMT,YAC1Bz7D,KAAK07D,QAAUQ,EAAMR,O,EAGrCS,KAAA,SAAMC,GACJp8D,KAAKs7D,WAAac,EAAYd,WAC9Bt7D,KAAKu7D,UAAYa,EAAYb,UAC7Bv7D,KAAKw7D,QAAUY,EAAYZ,QAC3Bx7D,KAAKy7D,WAAaW,EAAYX,WAC9Bz7D,KAAK07D,MAAQU,EAAYV,O,EAG3Bp2C,SAAA,WACE,MAAQ,SAAWtlB,KAAKs7D,WAAa,eAAiBt7D,KAAKu7D,UAAY,aAAev7D,KAAKw7D,QACnF,gBAAkBx7D,KAAKy7D,WAAa,WAAaz7D,KAAK07D,O,KAQ5DW,G,WAGJ,WAAapC,EAAgBqB,EAAqBC,EAAqBC,EAAmBC,EAAqBC,GAAiB,KAFhIzB,WAEgI,OADhIqC,cACgI,EAC9Ht8D,KAAKi6D,MAAQA,GAAS,IACtBj6D,KAAKs8D,SAAW,IAAIjB,GAASC,EAAYC,EAAWC,EAASC,EAAYC,G,2BAG3EC,MAAA,WACE37D,KAAKi6D,MAAQ,IACbj6D,KAAKs8D,SAASX,S,EAGhBY,QAAA,SAAStC,EAAemC,GACtBp8D,KAAKi6D,MAAQA,EACbj6D,KAAKs8D,SAASH,KAAKC,I,EAGrBI,YAAA,SAAaJ,GACXp8D,KAAKs8D,SAASH,KAAKC,I,EAGrBH,OAAA,SAAQC,GACN,OAAOl8D,KAAKi6D,QAAUiC,EAAMjC,OAASj6D,KAAKs8D,SAASL,OAAOC,EAAMI,W,EAGlEH,KAAA,SAAMM,GACJz8D,KAAKi6D,MAAQwC,EAAQxC,MACrBj6D,KAAKs8D,SAASH,KAAKM,EAAQH,W,EAG7BvC,QAAA,WACE,MAAsB,MAAf/5D,KAAKi6D,OAAiBj6D,KAAKs8D,SAASN,a,KAQlCU,GAAb,WAKE,aAAe,KAJR1C,WAIQ,OAHRh0C,SAGQ,OAFR22C,kBAEQ,OADRzC,kBACQ,EACbl6D,KAAKg6D,MAAQ,GACb,IAAK,IAAI/yD,EAAI,EAAGA,EAjLR,IAiLqBA,IAC3BjH,KAAKg6D,MAAMpyD,KAAK,IAAIy0D,IAGtBr8D,KAAKgmB,IAAM,EACXhmB,KAAK28D,aAAe,IAAItB,GAZ5B,2BAeEY,OAAA,SAAQC,GAEN,IADA,IAAIU,GAAQ,EACH31D,EAAI,EAAGA,EA3LR,IA2LqBA,IAC3B,IAAKjH,KAAKg6D,MAAM/yD,GAAGg1D,OAAOC,EAAMlC,MAAM/yD,IAAK,CACzC21D,GAAQ,EACR,MAGJ,OAAOA,GAvBX,EA0BET,KAAA,SAAMD,GACJ,IAAK,IAAIj1D,EAAI,EAAGA,EArMR,IAqMqBA,IAC3BjH,KAAKg6D,MAAM/yD,GAAGk1D,KAAKD,EAAMlC,MAAM/yD,KA5BrC,EAgCE8yD,QAAA,WAEE,IADA,IAAI8C,GAAQ,EACH51D,EAAI,EAAGA,EA5MR,IA4MqBA,IAC3B,IAAKjH,KAAKg6D,MAAM/yD,GAAG8yD,UAAW,CAC5B8C,GAAQ,EACR,MAGJ,OAAOA,GAxCX,EA8CEC,UAAA,SAAWC,GACL/8D,KAAKgmB,MAAQ+2C,IACf/8D,KAAKgmB,IAAM+2C,GAGT/8D,KAAKgmB,IAAM,GACb1jB,GAAOrB,IAAI,QAAS,4BAA8BjB,KAAKgmB,KACvDhmB,KAAKgmB,IAAM,GACFhmB,KAAKgmB,IAhOR,MAiON1jB,GAAOrB,IAAI,QAAS,6BAA+BjB,KAAKgmB,KACxDhmB,KAAKgmB,IAlOC,MA0KZ,EA+DEg3C,WAAA,SAAYC,GACV,IAAIC,EAASl9D,KAAKgmB,IAAMi3C,EACxB,GAAIA,EAAS,EACX,IAAK,IAAIh2D,EAAIjH,KAAKgmB,IAAM,EAAG/e,EAAIi2D,EAAS,EAAGj2D,IACzCjH,KAAKg6D,MAAM/yD,GAAGu1D,YAAYx8D,KAAK28D,cAGnC38D,KAAK88D,UAAUI,IAtEnB,EA4EEC,UAAA,WACEn9D,KAAKg9D,YAAY,GACjBh9D,KAAKg6D,MAAMh6D,KAAKgmB,KAAKu2C,QAAQ,IAAKv8D,KAAK28D,eA9E3C,EAiFES,WAAA,SAAY9C,GACNA,GAAQ,KACVt6D,KAAKm9D,YAEP,IAAIE,EAAOhD,GAAeC,GACtBt6D,KAAKgmB,KAhQD,IAiQN1jB,GAAOrB,IAAI,QAAS,iBAAmBq5D,EAAKh1C,SAAS,IACnC,KAAO+3C,EAAO,iBAAmBr9D,KAAKgmB,IAAM,mBAGhEhmB,KAAKg6D,MAAMh6D,KAAKgmB,KAAKu2C,QAAQc,EAAMr9D,KAAK28D,cACxC38D,KAAKg9D,WAAW,KA5FpB,EA+FEM,aAAA,SAAcC,GACZ,IAAIt2D,EACJ,IAAKA,EAAIs2D,EAAUt2D,EA3QX,IA2QwBA,IAC9BjH,KAAKg6D,MAAM/yD,GAAG00D,SAlGpB,EAsGE6B,MAAA,WACEx9D,KAAKs9D,aAAa,GAClBt9D,KAAKgmB,IAAM,EACXhmB,KAAK28D,aAAahB,SAzGtB,EA4GE8B,gBAAA,WACEz9D,KAAKs9D,aAAat9D,KAAKgmB,MA7G3B,EAgHE03C,cAAA,WAGE,IAFA,IAAI1D,EAAkB,GAClB6C,GAAQ,EACH51D,EAAI,EAAGA,EA7RR,IA6RqBA,IAAK,CAChC,IAAIo2D,EAAOr9D,KAAKg6D,MAAM/yD,GAAGgzD,MACZ,MAAToD,IACFR,GAAQ,GAGV7C,EAAMpyD,KAAKy1D,GAEb,OAAIR,EACK,GAEA7C,EAAM9tD,KAAK,KA9HxB,EAkIEyxD,aAAA,SAAc9B,GACZ77D,KAAK28D,aAAaf,UAAUC,GACb77D,KAAKg6D,MAAMh6D,KAAKgmB,KACtBw2C,YAAYx8D,KAAK28D,eArI9B,KA6IaiB,GAAb,WAKE,aAAe,KAJf9D,UAIe,OAHf+D,aAGe,OAFfC,kBAEe,OADfC,sBACe,EACb/9D,KAAK85D,KAAO,GACZ,IAAK,IAAI7yD,EAAI,EAAGA,EA/TN,GA+TmBA,IAC3BjH,KAAK85D,KAAKlyD,KAAK,IAAI80D,IAGrB18D,KAAK69D,QAAUG,GACfh+D,KAAK89D,aAAe,KACpB99D,KAAK27D,QAbT,2BAgBEA,MAAA,WACE,IAAK,IAAI10D,EAAI,EAAGA,EAzUN,GAyUmBA,IAC3BjH,KAAK85D,KAAK7yD,GAAGu2D,QAGfx9D,KAAK69D,QAAUG,IArBnB,EAwBE/B,OAAA,SAAQC,GAEN,IADA,IAAIU,GAAQ,EACH31D,EAAI,EAAGA,EAlVN,GAkVmBA,IAC3B,IAAKjH,KAAK85D,KAAK7yD,GAAGg1D,OAAOC,EAAMpC,KAAK7yD,IAAK,CACvC21D,GAAQ,EACR,MAGJ,OAAOA,GAhCX,EAmCET,KAAA,SAAMD,GACJ,IAAK,IAAIj1D,EAAI,EAAGA,EA5VN,GA4VmBA,IAC3BjH,KAAK85D,KAAK7yD,GAAGk1D,KAAKD,EAAMpC,KAAK7yD,KArCnC,EAyCE8yD,QAAA,WAEE,IADA,IAAI8C,GAAQ,EACH51D,EAAI,EAAGA,EAnWN,GAmWmBA,IAC3B,IAAKjH,KAAK85D,KAAK7yD,GAAG8yD,UAAW,CAC3B8C,GAAQ,EACR,MAGJ,OAAOA,GAjDX,EAoDEM,UAAA,WACYn9D,KAAK85D,KAAK95D,KAAK69D,SACrBV,aAtDR,EAyDEM,gBAAA,WACYz9D,KAAK85D,KAAK95D,KAAK69D,SACrBJ,mBA3DR,EAiEEL,WAAA,SAAYC,GACAr9D,KAAK85D,KAAK95D,KAAK69D,SACrBT,WAAWC,IAnEnB,EAsEEY,OAAA,SAAQpC,GACI77D,KAAK85D,KAAK95D,KAAK69D,SACrBF,aAAa9B,IAxErB,EA2EEmB,WAAA,SAAYC,GACAj9D,KAAK85D,KAAK95D,KAAK69D,SACrBb,WAAWC,IA7EnB,EAgFEH,UAAA,SAAWC,GACTz6D,GAAOrB,IAAI,OAAQ,cAAgB87D,GACzB/8D,KAAK85D,KAAK95D,KAAK69D,SACrBf,UAAUC,IAnFlB,EAsFEmB,OAAA,SAAQC,GACN77D,GAAOrB,IAAI,OAAQ,aAAe+3B,KAAKC,UAAUklC,IACjD,IAAIC,EAASD,EAAQxE,IAAM,EAM3B,GALI35D,KAAK89D,cAAgBM,EAASp+D,KAAK89D,aAAe,IACpDM,EAASp+D,KAAK89D,aAAe,GAI3B99D,KAAK89D,cAAgB99D,KAAK69D,UAAYO,EAAQ,CAEhD,IAAK,IAAIn3D,EAAI,EAAGA,EAxZR,GAwZqBA,IAC3BjH,KAAK85D,KAAK7yD,GAAGu2D,QAKf,IAAIa,EAAcr+D,KAAK69D,QAAU,EAAK79D,KAAK89D,aAGrCC,EAAmB/9D,KAAK+9D,iBAC9B,GAAIA,EAAkB,CACpB,IAAIO,EAAeP,EAAiBjE,KAAKuE,GAAanE,aACtD,GAAIoE,GAAgBh8D,GAAOmpC,MAAQ6yB,EAAeh8D,GAAOmpC,KACvD,IAAK,IAAIxkC,EAAI,EAAGA,EAAIjH,KAAK89D,aAAc72D,IACrCjH,KAAK85D,KAAKsE,EAASp+D,KAAK89D,aAAe72D,EAAI,GAAGk1D,KAAK4B,EAAiBjE,KAAKuE,EAAcp3D,KAM/FjH,KAAK69D,QAAUO,EACf,IAAIzE,EAAM35D,KAAK85D,KAAK95D,KAAK69D,SACzB,GAAuB,OAAnBM,EAAQtE,OAAiB,CAC3B,IAAIA,EAASsE,EAAQtE,OACjB0E,EAAUl2D,KAAKslB,IAAIksC,EAAS,EAAG,GACnCF,EAAImD,UAAUqB,EAAQtE,QACtBsE,EAAQK,MAAQ7E,EAAIK,MAAMuE,GAASjC,SAAShB,WAE9C,IAAIO,EAAoB,CAAEP,WAAY6C,EAAQK,MAAOjD,UAAW4C,EAAQ5C,UAAWC,QAAS2C,EAAQ3C,QAASC,WAAY,QAASC,OAAO,GACzI17D,KAAKi+D,OAAOpC,IA7HhB,EAmIE4C,WAAA,SAAYC,GACVp8D,GAAOrB,IAAI,OAAQ,aAAe+3B,KAAKC,UAAUylC,IACjD1+D,KAAKm9D,YACLn9D,KAAKi+D,OAAOS,GACZ1+D,KAAKo9D,WAAW,KAvIpB,EA0IEuB,cAAA,SAAeC,GACb5+D,KAAK89D,aAAec,GA3IxB,EA8IEC,OAAA,WACE,GAA0B,OAAtB7+D,KAAK89D,aAAT,CAIAx7D,GAAOrB,IAAI,OAAQjB,KAAK8+D,kBACxB,IAAIT,EAAcr+D,KAAK69D,QAAU,EAAI79D,KAAK89D,aACtCiB,EAAS/+D,KAAK85D,KAAKj2C,OAAOw6C,EAAa,GAAG,GAC9CU,EAAOvB,QACPx9D,KAAK85D,KAAKj2C,OAAO7jB,KAAK69D,QAAS,EAAGkB,GAClCz8D,GAAOrB,IAAI,OAAQ,mBARjBqB,GAAOrB,IAAI,QAAS,yCAhJ1B,EA+JE69D,eAAA,SAAgBE,GACdA,EAAWA,IAAY,EAIvB,IAHA,IAAIC,EAAwB,GACxBp2D,EAAO,GACPq2D,GAAS,EACJj4D,EAAI,EAAGA,EA5dN,GA4dmBA,IAAK,CAChC,IAAIk4D,EAAUn/D,KAAK85D,KAAK7yD,GAAGy2D,gBACvByB,IACFD,EAAQj4D,EAAI,EACR+3D,EACFC,EAAYr3D,KAAK,OAASs3D,EAAQ,MAASC,EAAU,KAErDF,EAAYr3D,KAAKu3D,EAAQz0D,SAW/B,OAPIu0D,EAAY14D,OAAS,IAErBsC,EADEm2D,EACK,IAAMC,EAAY/yD,KAAK,OAAS,IAEhC+yD,EAAY/yD,KAAK,OAGrBrD,GAtLX,EAyLEu2D,iBAAA,WACE,OAAOp/D,KAAK85D,MA1LhB,KAkMMuF,G,WAYJ,WAAaC,EAAuBC,GAA4B,KAXhEC,UAWgE,OAVhED,kBAUgE,OAThEpb,UASgE,OARhEsb,aAQgE,OAPhEC,qBAOgE,OANhEC,wBAMgE,OALhE5B,sBAKgE,OAJhE6B,mBAIgE,OAHhEC,iBAGgE,OAFhE3F,kBAEgE,OADhE4F,oBACgE,EAC9D9/D,KAAKw/D,KAAOF,EACZt/D,KAAKu/D,aAAeA,EACpBv/D,KAAKmkD,KAAO,KACZnkD,KAAKy/D,QAAU,EACfz/D,KAAK0/D,gBAAkB,IAAI9B,GAC3B59D,KAAK2/D,mBAAqB,IAAI/B,GAC9B59D,KAAK+9D,iBAAmB,IAAIH,GAC5B59D,KAAK4/D,cAAgB5/D,KAAK0/D,gBAAgB5F,KAAKkE,IAC/Ch+D,KAAK6/D,YAAc7/D,KAAK0/D,gBACxB1/D,KAAKmkD,KAAO,KACZnkD,KAAKk6D,aAAe,K,2BAGtByB,MAAA,WACE37D,KAAKmkD,KAAO,KACZnkD,KAAK0/D,gBAAgB/D,QACrB37D,KAAK2/D,mBAAmBhE,QACxB37D,KAAK+9D,iBAAiBpC,QACtB37D,KAAK4/D,cAAgB5/D,KAAK0/D,gBAAgB5F,KAAKkE,IAC/Ch+D,KAAK6/D,YAAc7/D,KAAK0/D,gBACxB1/D,KAAKmkD,KAAO,KACZnkD,KAAKk6D,aAAe,M,EAGtB6F,WAAA,WACE,OAAO//D,KAAKu/D,c,EAGdS,WAAA,SAAYC,GACVjgE,KAAKu/D,aAAeU,G,EAGtB/B,OAAA,SAAQC,GACNn+D,KAAK6/D,YAAY3B,OAAOC,I,EAG1BM,WAAA,SAAYC,GACV1+D,KAAK6/D,YAAYpB,WAAWC,I,EAG9BwB,QAAA,SAASC,GACHA,IAAYngE,KAAKmkD,OAIrBnkD,KAAKmkD,KAAOgc,EACZ79D,GAAOrB,IAAI,OAAQ,QAAUk/D,GACX,gBAAdngE,KAAKmkD,KACPnkD,KAAK6/D,YAAc7/D,KAAK2/D,oBAExB3/D,KAAK6/D,YAAc7/D,KAAK0/D,gBACxB1/D,KAAK6/D,YAAYlE,SAED,iBAAd37D,KAAKmkD,OACPnkD,KAAK0/D,gBAAgB5B,aAAe,KACpC99D,KAAK2/D,mBAAmB7B,aAAe,MAEzC99D,KAAKmkD,KAAOgc,I,EAGdC,YAAA,SAAapG,GACX,IAAK,IAAI/yD,EAAI,EAAGA,EAAI+yD,EAAMzzD,OAAQU,IAChCjH,KAAK6/D,YAAYzC,WAAWpD,EAAM/yD,IAGpC,IAAIo5D,EAASrgE,KAAK6/D,cAAgB7/D,KAAK0/D,gBAAkB,OAAS,WAClEp9D,GAAOrB,IAAI,OAAQo/D,EAAS,KAAOrgE,KAAK6/D,YAAYf,gBAAe,IACjD,kBAAd9+D,KAAKmkD,MAA0C,iBAAdnkD,KAAKmkD,OACxC7hD,GAAOrB,IAAI,OAAQ,cAAgBjB,KAAK0/D,gBAAgBZ,gBAAe,IACvE9+D,KAAKsgE,qB,EAITC,MAAA,WACEj+D,GAAOrB,IAAI,OAAQ,gCACnBjB,KAAKkgE,QAAQ,gB,EAGfM,KAAA,WACEl+D,GAAOrB,IAAI,OAAQ,kBACD,cAAdjB,KAAKmkD,OAITnkD,KAAK6/D,YAAY1C,YACbn9D,KAAK6/D,cAAgB7/D,KAAK0/D,iBAC5B1/D,KAAKsgE,qB,EAITG,MAAA,a,EAIAC,MAAA,a,EAIAC,MAAA,WACEr+D,GAAOrB,IAAI,OAAQ,6BACnBjB,KAAK6/D,YAAYpC,kBACjBz9D,KAAKsgE,oB,EAGPM,KAAA,SAAMhC,GACJt8D,GAAOrB,IAAI,OAAQ,MAAQ29D,EAAS,eACpC5+D,KAAK6/D,YAAc7/D,KAAK0/D,gBACxB1/D,KAAKkgE,QAAQ,gBACblgE,KAAK6/D,YAAYlB,cAAcC,I,EAGjCiC,MAAA,WACEv+D,GAAOrB,IAAI,OAAQ,kBACnBjB,KAAK6/D,YAAY5B,OAAO,CAAEvC,OAAO,K,EAGnCoF,MAAA,WACEx+D,GAAOrB,IAAI,OAAQ,kCACnBjB,KAAKkgE,QAAQ,kB,EAGfa,KAAA,WACEz+D,GAAOrB,IAAI,OAAQ,MACnBjB,KAAKkgE,QAAQ,c,EAGfc,MAAA,WACE1+D,GAAOrB,IAAI,OAAQ,OACnBjB,KAAKkgE,QAAQ,c,EAGfe,MAAA,WACE3+D,GAAOrB,IAAI,OAAQ,gCACnBjB,KAAK0/D,gBAAgB/D,QACrB37D,KAAKsgE,kBAAiB,I,EAGxBY,KAAA,WACE5+D,GAAOrB,IAAI,OAAQ,wBACnBjB,KAAK6/D,YAAYhB,SACjB7+D,KAAKsgE,kBAAiB,I,EAGxBa,MAAA,WACE7+D,GAAOrB,IAAI,OAAQ,oCACnBjB,KAAK2/D,mBAAmBhE,S,EAG1ByF,MAAA,WAEE,GADA9+D,GAAOrB,IAAI,OAAQ,wBACD,gBAAdjB,KAAKmkD,KAAwB,CAC/B,IAAI19B,EAAMzmB,KAAK0/D,gBACf1/D,KAAK0/D,gBAAkB1/D,KAAK2/D,mBAC5B3/D,KAAK2/D,mBAAqBl5C,EAC1BzmB,KAAK6/D,YAAc7/D,KAAK2/D,mBACxBr9D,GAAOrB,IAAI,OAAQ,SAAWjB,KAAK0/D,gBAAgBZ,kBAErD9+D,KAAKsgE,kBAAiB,I,EAGxBe,KAAA,SAAMC,GACJh/D,GAAOrB,IAAI,OAAQ,MAAQqgE,EAAS,kBACpCthE,KAAK6/D,YAAY7C,WAAWsE,I,EAG9BC,SAAA,SAAUC,GACR,IAAI3F,EAA6B,CAAEH,OAAO,GAG1C,GAFAG,EAAON,UAAYiG,EAAa,GAAM,EACtC3F,EAAOL,QAAUgG,GAAc,GAC1B3F,EAAOL,QAKVK,EAAOP,WAAa,YALD,CACnB,IAAImG,EAAap5D,KAAKoW,MAAM+iD,EAAa,GAAK,GAE9C3F,EAAOP,WADM,CAAC,QAAS,QAAS,OAAQ,OAAQ,MAAO,SAAU,WACtCmG,GAI7Bn/D,GAAOrB,IAAI,OAAQ,WAAa+3B,KAAKC,UAAU4iC,IAC/C77D,KAAK6/D,YAAY5B,OAAOpC,I,EAG1ByE,iBAAA,SAAkBoB,QAAkB,IAAlBA,OAAW,GAC3B,IAAIjzD,EAAInM,GAAOmpC,KACL,OAANh9B,GAIAzO,KAAKu/D,eACmB,OAAtBv/D,KAAKk6D,cAA0Bl6D,KAAK0/D,gBAAgB3F,UAGjD/5D,KAAK0/D,gBAAgBzD,OAAOj8D,KAAK+9D,oBACpC/9D,KAAKu/D,aAAa9F,OAAOz5D,KAAKk6D,aAAezrD,EAAGzO,KAAK+9D,kBACjD2D,GAAY1hE,KAAKu/D,aAAaoC,aAChC3hE,KAAKu/D,aAAaoC,cAGpB3hE,KAAKk6D,aAAel6D,KAAK0/D,gBAAgB3F,UAAY,KAAOtrD,GAR9DzO,KAAKk6D,aAAezrD,EAWtBzO,KAAK+9D,iBAAiB5B,KAAKn8D,KAAK0/D,mB,EAIpCkC,eAAA,SAAgBnzD,GACVzO,KAAKu/D,eACFv/D,KAAK0/D,gBAAgB3F,YACpB/5D,KAAKu/D,aAAa9F,QACpBz5D,KAAKu/D,aAAa9F,OAAOz5D,KAAKk6D,aAAezrD,EAAGzO,KAAK0/D,iBAGvD1/D,KAAKk6D,aAAezrD,K,KAwWbozD,G,WAjVb,WAAaC,EAAeC,EAAoBC,GAAoB,KARpEF,WAQoE,OAPpEG,aAOoE,OANpEC,cAMoE,OALpEC,cAKoE,OAJpEC,cAIoE,OAHpEC,cAGoE,OAFpErS,cAEoE,OADpEsS,kBACoE,EAClEtiE,KAAK8hE,MAAQA,GAAS,EACtB9hE,KAAKiiE,QAAU,CAACF,EAAMC,GACtBhiE,KAAKkiE,SAAW,CAAC,IAAI7C,GAAc,EAAG0C,GAAO,IAAI1C,GAAc,EAAG2C,IAClEhiE,KAAKmiE,UAAY,EACjBniE,KAAKoiE,SAAW,KAChBpiE,KAAKqiE,SAAW,KAChBriE,KAAKgwD,SAAW,KAChBhwD,KAAKsiE,aAAe,CAAE,QAAW,EAAG,KAAQ,EAAG,IAAO,EAAG,MAAS,G,2BAGpEvC,WAAA,SAAYp3D,GACV,OAAO3I,KAAKkiE,SAASv5D,GAAOo3D,c,EAG9BC,WAAA,SAAYr3D,EAAes3D,GACzBjgE,KAAKkiE,SAASv5D,GAAOq3D,WAAWC,I,EAMlCsC,QAAA,SAAS9zD,EAAkB+zD,GACzB,IAAIC,EAAmBhzC,EAAW1K,EAChC29C,GAAwC,EAE1C1iE,KAAKgwD,SAAWvhD,EAChBnM,GAAOy4D,QAAQtsD,GAEf,IAAK,IAAIxH,EAAI,EAAGA,EAAIu7D,EAASj8D,OAAQU,GAAK,EAGxC,GAFAwoB,EAAkB,IAAd+yC,EAASv7D,GACb8d,EAAsB,IAAlBy9C,EAASv7D,EAAI,GACP,IAANwoB,GAAiB,IAAN1K,EAAf,CAmBA,GAfEziB,GAAOrB,IAAI,OAAQ,IAAMi6D,GAAmB,CAACsH,EAASv7D,GAAIu7D,EAASv7D,EAAI,KAAO,SAAWi0D,GAAmB,CAACzrC,EAAG1K,IAAM,MAExH09C,EAAWziE,KAAK2iE,SAASlzC,EAAG1K,MAE1B09C,EAAWziE,KAAK4iE,YAAYnzC,EAAG1K,IAG5B09C,IACHA,EAAWziE,KAAK6iE,SAASpzC,EAAG1K,IAGzB09C,IACHA,EAAWziE,KAAK8iE,0BAA0BrzC,EAAG1K,KAG1C09C,EAEH,GADAC,EAAa1iE,KAAK+iE,WAAWtzC,EAAG1K,GAE9B,GAAI/kB,KAAKmiE,UAAYniE,KAAKmiE,UAAY,EACtBniE,KAAKkiE,SAASliE,KAAKmiE,SAAW,GACpC/B,YAAYsC,QAEpBpgE,GAAOrB,IAAI,UAAW,oCAIxBwhE,EACFziE,KAAKsiE,aAAanoC,KAAO,EAChBuoC,EACT1iE,KAAKsiE,aAAajF,MAAQ,GAE1Br9D,KAAKsiE,aAAapG,OAAS,EAC3B55D,GAAOrB,IAAI,UAAW,+BAAkCi6D,GAAmB,CAACzrC,EAAG1K,IAC3D,UAAYm2C,GAAmB,CAACsH,EAASv7D,GAAIu7D,EAASv7D,EAAI,YApC9EjH,KAAKsiE,aAAaU,SAAW,G,EA6CnCL,SAAA,SAAUlzC,EAAW1K,GACnB,IAAIy6C,EAAsB,KAI1B,MAFmB,KAAN/vC,GAAoB,KAANA,IAAgB1K,GAAK,IAAQA,GAAK,QAC1C,KAAN0K,GAAoB,KAANA,IAAgB1K,GAAK,IAAQA,GAAK,IAE3D,OAAO,EAGT,GAAI0K,IAAMzvB,KAAKoiE,UAAYr9C,IAAM/kB,KAAKqiE,SAIpC,OAHAriE,KAAKoiE,SAAW,KAChBpiE,KAAKqiE,SAAW,KAChB//D,GAAOrB,IAAI,QAAS,qBAAuBi6D,GAAmB,CAACzrC,EAAG1K,IAAM,iBACjE,EAIPy6C,EADQ,KAAN/vC,GAAoB,KAANA,EACT,EAEA,EAGT,IAAIwzC,EAAUjjE,KAAKkiE,SAAS1C,EAAO,GA0CnC,OAxCU,KAAN/vC,GAAoB,KAANA,EACN,KAAN1K,EACFk+C,EAAQ1C,QACO,KAANx7C,EACTk+C,EAAQzC,OACO,KAANz7C,EACTk+C,EAAQxC,QACO,KAAN17C,EACTk+C,EAAQvC,QACO,KAAN37C,EACTk+C,EAAQtC,QACO,KAAN57C,EACTk+C,EAAQrC,KAAK,GACE,KAAN77C,EACTk+C,EAAQrC,KAAK,GACE,KAAN77C,EACTk+C,EAAQrC,KAAK,GACE,KAAN77C,EACTk+C,EAAQpC,QACO,KAAN97C,EACTk+C,EAAQnC,QACO,KAAN/7C,EACTk+C,EAAQlC,OACO,KAANh8C,EACTk+C,EAAQjC,QACO,KAANj8C,EACTk+C,EAAQhC,QACO,KAANl8C,EACTk+C,EAAQ/B,OACO,KAANn8C,EACTk+C,EAAQ9B,QACO,KAANp8C,GACTk+C,EAAQ7B,QAGV6B,EAAQ5B,KAAKt8C,EAAI,IAEnB/kB,KAAKoiE,SAAW3yC,EAChBzvB,KAAKqiE,SAAWt9C,EAChB/kB,KAAKmiE,SAAW3C,GACT,G,EAOToD,YAAA,SAAanzC,EAAW1K,GACtB,IAAIy6C,EAAsB,KAE1B,OAAY,KAAN/vC,GAAsB,KAANA,IAAgB1K,GAAK,IAAQA,GAAK,MAEpDy6C,EADQ,KAAN/vC,EACK,EAEA,KAGIzvB,KAAKmiE,UAChB7/D,GAAOrB,IAAI,QAAS,uCACb,IAEKjB,KAAKkiE,SAAS1C,EAAO,GAC3B+B,SAASx8C,GACjBziB,GAAOrB,IAAI,QAAS,WAAai6D,GAAmB,CAACzrC,EAAG1K,IAAM,MACvD,K,EAQX89C,SAAA,SAAUpzC,EAAW1K,GACnB,IAAIy6C,EACA7F,EAAqB,KAIzB,MAFclqC,GAAK,IAAQA,GAAK,IAAUA,GAAK,IAAQA,GAAK,KAAW1K,GAAK,IAAQA,GAAK,SACtE,KAAN0K,GAAoB,KAANA,IAAgB1K,GAAK,IAAQA,GAAK,IAE3D,OAAO,EAGT,GAAI0K,IAAMzvB,KAAKoiE,UAAYr9C,IAAM/kB,KAAKqiE,SAGpC,OAFAriE,KAAKoiE,SAAW,KAChBpiE,KAAKqiE,SAAW,MACT,EAGT7C,EAAQ/vC,GAAK,GAAQ,EAAI,EAGvBkqC,EADE50C,GAAK,IAAQA,GAAK,GACJ,IAATy6C,EAAchF,GAAW/qC,GAAKirC,GAAWjrC,GAEhC,IAAT+vC,EAAc/E,GAAYhrC,GAAKkrC,GAAYlrC,GAEpD,IAAI0uC,EAAUn+D,KAAKkjE,aAAavJ,EAAM50C,GAMtC,OALc/kB,KAAKkiE,SAAS1C,EAAO,GAC3BtB,OAAOC,GACfn+D,KAAKoiE,SAAW3yC,EAChBzvB,KAAKqiE,SAAWt9C,EAChB/kB,KAAKmiE,SAAW3C,GACT,G,EAOT0D,aAAA,SAAcvJ,EAAaW,GACzB,IAAI6I,EAAW7I,EACX6D,EAAmB,CAAEK,MAAO,KAAMhD,SAAS,EAAO3B,OAAQ,KAAM0B,WAAW,EAAO5B,IAAKA,GAiB3F,OAdEwJ,EADE7I,EAAO,GACEA,EAAO,GAEPA,EAAO,GAGpB6D,EAAQ5C,UAA+B,IAAP,EAAX4H,GACjBA,GAAY,GACdhF,EAAQK,MAAQ,CAAC,QAAS,QAAS,OAAQ,OAAQ,MAAO,SAAU,UAAW,SAASn2D,KAAKoW,MAAM0kD,EAAW,IACrGA,GAAY,IACrBhF,EAAQ3C,SAAU,EAClB2C,EAAQK,MAAQ,SAEhBL,EAAQtE,OAA+C,EAArCxxD,KAAKoW,OAAO0kD,EAAW,IAAQ,GAE5ChF,G,EAOT4E,WAAA,SAAYtzC,EAAW1K,GACrB,IAAIq+C,EAA2B,KAC7BC,EAA6B,KAC7BC,EAA2B,KAS7B,GAPI7zC,GAAK,IACP2zC,EAAY,EACZE,EAAY7zC,EAAI,IAEhB2zC,EAAY,EACZE,EAAY7zC,GAEV6zC,GAAa,IAAQA,GAAa,GAAM,CAE1C,IAAIC,EAAUx+C,EAEZw+C,EADgB,KAAdD,EACQv+C,EAAI,GACS,KAAdu+C,EACCv+C,EAAI,IAEJA,EAAI,IAGhBziB,GAAOrB,IAAI,OAAQ,iBAAoBo5D,GAAekJ,GAAW,gBAAmBH,GACpFC,EAAY,CAACE,QACJ9zC,GAAK,IAAQA,GAAK,MAC3B4zC,EAAmB,IAANt+C,EAAW,CAAC0K,GAAK,CAACA,EAAG1K,IAEpC,GAAIs+C,EAAW,CACb,IAAIG,EAAWtI,GAAmBmI,GAClC/gE,GAAOrB,IAAI,QAAS,iBAAmBuiE,EAASt3D,KAAK,MACrDlM,KAAKoiE,SAAW,KAChBpiE,KAAKqiE,SAAW,KAElB,OAAOgB,G,EAOTP,0BAAA,SAA2BrzC,EAAW1K,GACpC,IAAI25C,EACF/1D,EACA62D,EAKF,QAFmB,KAAN/vC,GAAoB,KAANA,IAAgB1K,GAAK,IAAQA,GAAK,KAC1C,KAAN0K,GAAoB,KAANA,IAAgB1K,GAAK,IAAQA,GAAK,MAK7D25C,EAAU,GACA,KAANjvC,GAAoB,KAANA,GAChB9mB,EAAQN,KAAKoW,OAAOsG,EAAI,IAAQ,GAChC25C,EAAQjD,WAAab,GAAiBjyD,GAClCoc,EAAI,GAAM,IACZ25C,EAAQjD,WAAaiD,EAAQjD,WAAa,UAE7B,KAAN12C,EACT25C,EAAQjD,WAAa,eAErBiD,EAAQpD,WAAa,QACX,KAANv2C,IACF25C,EAAQnD,WAAY,IAGxBiE,EAAQ/vC,EAAI,GAAQ,EAAI,EACdzvB,KAAKkiE,SAAS1C,EAAO,GACvBf,WAAWC,GACnB1+D,KAAKoiE,SAAW,KAChBpiE,KAAKqiE,SAAW,MACT,I,EAMT1G,MAAA,WACE,IAAK,IAAI10D,EAAI,EAAGA,EAAIjH,KAAKkiE,SAAS37D,OAAQU,IACpCjH,KAAKkiE,SAASj7D,IAChBjH,KAAKkiE,SAASj7D,GAAG00D,QAGrB37D,KAAKoiE,SAAW,KAChBpiE,KAAKqiE,SAAW,M,EAMlBT,eAAA,SAAgBnzD,GACd,IAAK,IAAIxH,EAAI,EAAGA,EAAIjH,KAAKkiE,SAAS37D,OAAQU,IACpCjH,KAAKkiE,SAASj7D,IAChBjH,KAAKkiE,SAASj7D,GAAG26D,eAAenzD,I,KCptCnBg1D,G,WAQnB,WAAaC,EAAyBtlB,GAAmB,KAPzDslB,wBAOyD,OANzDtlB,eAMyD,OALzD/qB,eAKyD,OAJzDC,aAIyD,OAHzD+sC,YAGyD,EACvDrgE,KAAK0jE,mBAAqBA,EAC1B1jE,KAAKo+C,UAAYA,EACjBp+C,KAAKqzB,UAAY,KACjBrzB,KAAKszB,QAAU,KACftzB,KAAKqgE,OAAS,K,2BAGhBsB,YAAA,WACyB,OAAnB3hE,KAAKqzB,YAITrzB,KAAK0jE,mBAAmBC,QAAQ3jE,KAAKo+C,UAAWp+C,KAAKqzB,UAAWrzB,KAAKszB,QAAStzB,KAAKqgE,QACnFrgE,KAAKqzB,UAAY,O,EAGnBomC,OAAA,SAAQpmC,EAAmBC,EAAiB+sC,IACnB,OAAnBrgE,KAAKqzB,WAAsBrzB,KAAKqzB,UAAYA,KAC9CrzB,KAAKqzB,UAAYA,GAGnBrzB,KAAKszB,QAAUA,EACftzB,KAAKqgE,OAASA,EACdrgE,KAAK0jE,mBAAmBE,oBAAoB5jE,KAAKo+C,Y,KC9B/CylB,GAAa,SAAUC,EAAaC,EAAcnpD,GACtD,OAAOkpD,EAAYhjC,OAAOlmB,GAAY,EAAGmpD,EAAax9D,UAAYw9D,GAqB9DC,GAAO,SAAUn7D,GAGrB,IAFA,IAAIm7D,EAAO,KACP/8D,EAAI4B,EAAKtC,OACNU,GACL+8D,EAAe,GAAPA,EAAan7D,EAAK8gB,aAAa1iB,GAGzC,OAAQ+8D,IAAS,GAAG1+C,YAkJP2+C,GAvHM,CACnB7pC,MAAO,SAAU8pC,EAAcC,EAASC,EAAQznC,EAAI0nC,EAAUC,GAE5D,IASIC,EAPAC,EAAW16D,aAAe,IAAI5B,WAAWg8D,IAAex5D,OAAOnB,QAF1D,mBAEsE,MAAMyC,MAAM,MAEvFy4D,EAAU,YACVC,EAAS,EACTC,EAAY,EACZC,EAAmB,EACnB1hB,EAAO,GAEP2hB,GAAW,EAKXC,EAAS,IAAI9N,GAEjB8N,EAAOxL,MAAQ,SAAUrV,GAEvB,IAAI8gB,EAASX,EAAOznC,GAChBqoC,EAAYZ,EAAOpzB,SAGnB+zB,GAAUA,EAAOE,WACD7zD,IAAduzD,EAEFK,EAAYZ,EAAOpzB,SAAW+zB,EAAOpkD,MArDvB,SAAUyjD,EAAQznC,EAAIioC,GAC5C,IAAIG,EAASX,EAAOznC,GAChBuoC,EAASd,EAAOW,EAAOG,QAI3B,IAAKA,IAAYA,EAAOD,KAAOF,EAAOE,IAGpC,OAFAb,EAAOpzB,SAAWozB,EAAOe,mBAAqBJ,EAAOpkD,WACrDokD,EAAOE,KAAM,GAMf,KAAOC,GAAUA,EAAOD,KACtBb,EAAOpzB,UAAY+zB,EAAOpkD,MAAQukD,EAAOvkD,MACzCokD,EAAOE,KAAM,EAEbC,EAASd,GADTW,EAASG,GACcA,QAGzBd,EAAOe,mBAAqBP,EAkCpBQ,CAAgBhB,EAAQznC,EAAIioC,IAI5BA,IAEFI,EAAYJ,EAAmBR,EAAOe,oBAIxClhB,EAAI5wB,WAAa2xC,EAAYL,EAC7B1gB,EAAI3wB,SAAW0xC,EAAYL,EAE3B,IAAM97D,EAAOo7C,EAAIp7C,KAAK6B,OAGtBu5C,EAAIxrC,GAAKurD,GAAK/f,EAAI5wB,UAAU/N,YAAc0+C,GAAK/f,EAAI3wB,QAAQhO,YAAc0+C,GAAKn7D,GAG9Eo7C,EAAIp7C,KAAOiuD,mBAAmBC,mBAAmB9S,EAAIp7C,OACjDo7C,EAAI3wB,QAAU,GAChB4vB,EAAKt7C,KAAKq8C,IAId6gB,EAAOO,eAAiB,SAAUhjE,GAChCkiE,EAAeliE,GAGjByiE,EAAOtL,QAAU,WACX+K,GAAgBD,EAClBA,EAAcC,GAGhBF,EAASnhB,IAIXshB,EAASriE,SAAQ,SAAA22D,GACf,GAAI+L,EAAU,CAEZ,GAAIhB,GAAW/K,EAAM,oBAAqB,CAExC+L,GAAW,GACI,EAEf/L,EAAKh4B,OAAO,IAAI90B,MAAM,KAAK7J,SAAQ,SAAAiG,GAC7By7D,GAAWz7D,EAAW,UACxBq8D,EAAUr8D,EAAU04B,OAAO,GAClB+iC,GAAWz7D,EAAW,aAC/Bs8D,EAASnqD,SAASnS,EAAU04B,OAAO,QAGvC,IAOE4jC,GAAUP,EAGVQ,EAlJa,SAAUW,GACjC,IAAIjN,EAAK99C,SAAS+qD,EAAWxkC,QAAQ,IACjCykC,EAAOhrD,SAAS+qD,EAAWxkC,QAAQ,EAAG,IACtC0kC,EAAOjrD,SAAS+qD,EAAWxkC,QAAQ,EAAG,IACtC2kC,EAAQH,EAAW/+D,OAAS,EAAIgU,SAAS+qD,EAAWxkC,OAAO,EAAGwkC,EAAWj8D,QAAQ,OAAS,EAE9F,KAAK,YAAgBgvD,IAAQ,YAAgBkN,IAAU,YAAgBC,IAAU,YAAgBC,IAC/F,MAAM36D,MAAM,oCAAoCw6D,GAOlD,OAJAjN,GAAM,IAAOkN,EACblN,GAAM,IAAYmN,EAClBnN,GAAM,KAAiBoN,EAsIDC,CAAiBjB,GAAW,IAExCG,EAAmBF,EAAS,KAET,IAAfC,IACFJ,EAAe,IAAIz5D,MAAJ,8BAAwCguD,IAEzD,MAAOz2D,IACQ,EACfkiE,EAAeliE,EAGjB,OACkB,KAATy2D,IACT+L,GAAW,GAIfC,EAAO1qC,MAAM0+B,EAAO,SAGtBgM,EAAOvL,U,4HCiNX,SAASoM,GAAsBC,EAAYC,GACzC,OAAOD,GAAcA,EAAWhiB,QAAUiiB,EAAcr5D,QAAUo5D,EAAWE,YAAcF,EAAWG,YAOzFC,O,oBA5Wb,WAAatrC,GAAK,MAyBhB,IAxBA,cAAMA,EAAKhoB,IAAMlQ,gBACfkQ,IAAMhQ,gBACNgQ,IAAM3N,sBACN2N,IAAM7N,eACN6N,IAAMtP,iBACNsP,IAAMrP,gBACNqP,IAAM9N,YACN8N,IAAMlO,iBAPR,MAjBM09B,MAAiC,KAgBvB,EAfV3wB,YAeU,IAdV00D,SAAmB,EAcT,EAbVC,UAaU,IAZVxiB,WAA+B,GAYrB,EAXVx4B,OAAqB,GAWX,EAVVmD,QAAyB,GAUf,EATV83C,iBAA0D,GAShD,EARVC,UAAwB,GAQd,EAPVC,eAAsB,GAOZ,EANVC,wBAMU,IALVC,kBAKU,IAJVC,QAAkB,EAIR,EAHVtB,QAAkB,EAGR,EAFVd,OAAc,KAYpB,EAAK1pC,IAAMA,EACX,EAAKnpB,OAASmpB,EAAInpB,OAClB,EAAK20D,KAAOxrC,EAAInpB,OAAOk1D,WAEvB,EAAKH,mBAAqB,CACxBR,WAAY,CACVliB,MAAO,EAAKryC,OAAOm1D,wBACnBC,aAAc,EAAKp1D,OAAOq1D,gCAE5Bb,WAAY,CACVniB,MAAO,EAAKryC,OAAOs1D,wBACnBF,aAAc,EAAKp1D,OAAOu1D,iCAI1B,EAAKv1D,OAAOw1D,qBAAsB,CACpC,IAAMC,EAAW,IAAIvD,GAAJ,MAAuB,cAClCwD,EAAW,IAAIxD,GAAJ,MAAuB,cACxC,EAAK8C,aAAe,IAAI1E,GAAa,EAAGmF,EAAUC,GA5BpC,S,kHAgClBtD,QAAA,SAASvlB,EAAmB/qB,EAAmBC,EAAiB+sC,GAI9D,IAFA,IAsUmB6G,EAAY54D,EAAY64D,EAAYC,EAtUjDC,EAASrnE,KAAKomE,UAChBkB,GAAS,EACJrgE,EAAIogE,EAAO9gE,OAAQU,KAAM,CAChC,IAAIsgE,EAAWF,EAAOpgE,GAClBugE,GAkUaN,EAlUUK,EAAS,GAkUPj5D,EAlUWi5D,EAAS,GAkURJ,EAlUY9zC,EAkUA+zC,EAlUW9zC,EAmU7DjrB,KAAK0S,IAAIzM,EAAI84D,GAAM/+D,KAAKslB,IAAIu5C,EAAIC,IAlUnC,GAAIK,GAAW,IACbD,EAAS,GAAKl/D,KAAK0S,IAAIwsD,EAAS,GAAIl0C,GACpCk0C,EAAS,GAAKl/D,KAAKslB,IAAI45C,EAAS,GAAIj0C,GACpCg0C,GAAS,EACJE,GAAWl0C,EAAUD,GAAc,IACtC,OAIDi0C,GACHD,EAAOz/D,KAAK,CAACyrB,EAAWC,IAG1BtzB,KAAKkmE,KAAKzM,OAAOz5D,KAAKqmE,eAAejoB,GAAY/qB,EAAWC,EAAS+sC,I,EAIvE3M,eAAA,SAAgBrtD,GAAsD,WAC5Dgd,EAAsBhd,EAAtBgd,KAAM5K,EAAgBpS,EAAhBoS,GAAI4V,EAAYhoB,EAAZgoB,QACV83C,EAAqBnmE,KAArBmmE,iBACG,SAAP1tD,IACFzY,KAAKquB,QAAQhL,EAAKsZ,IAAMtO,GAKtB83C,EAAiB5/D,SACnBvG,KAAKmmE,iBAAmB,GACxBA,EAAiBhkE,SAAQ,SAAAkhB,GACvB,EAAKqpB,aAAarpB,Q,EAKxBokD,iBAAA,SAAkBrpB,GAAqC,IAC7Clc,EAAUliC,KAAVkiC,MACR,GAAIA,EACF,IAAK,IAAIj7B,EAAI,EAAGA,EAAIi7B,EAAMwhB,WAAWn9C,OAAQU,IAAK,CAChD,IAAI4b,EAAYqf,EAAMwhB,WAAWz8C,GACjC,GAAI4b,EAAUu7B,GACZ,OAAOv7B,EAIb,OAAO,M,EAGT+gD,oBAAA,SAAqBxlB,GAAmB,IAC9BkoB,EAA8CtmE,KAA9CsmE,mBAAoBD,EAA0BrmE,KAA1BqmE,eAAgBnkC,EAAUliC,KAAVkiC,MADN,EAENokC,EAAmBloB,GAA3CwF,EAF8B,EAE9BA,MAAO+iB,EAFuB,EAEvBA,aACf,IAAKN,EAAejoB,GAAY,CAE9B,IAAMspB,EAAgB1nE,KAAKynE,iBAAiBrpB,GAC5C,GAAKspB,EAQHrB,EAAejoB,GAAaspB,EAC5BzkB,GAAiBojB,EAAejoB,IAChCuE,GAAkB0jB,EAAejoB,GAAYlc,OAV3B,CAClB,IAAMrf,EAAY7iB,KAAK2nE,gBAAgB,WAAY/jB,EAAO+iB,GACtD9jD,IAEFA,EAAUu7B,IAAa,EACvBioB,EAAejoB,GAAav7B,M,EAUpC8kD,gBAAA,SAAiBhkB,EAAqBC,EAAelhB,GACnD,IAAMR,EAAQliC,KAAKkiC,MACnB,GAAKA,EAGL,OAAOA,EAAM2hB,aAAaF,EAAMC,EAAOlhB,I,EAGzCvxB,QAAA,WACE,YAAMA,QAAN,Y,EAGFw6C,iBAAA,SAAkBtlD,GAChBrG,KAAKkiC,MAAQ77B,EAAK67B,MAClBliC,KAAK4nE,gB,EAGP3qB,iBAAA,WAAoB,IACVopB,EAAmBrmE,KAAnBqmE,eACR9lE,OAAOquB,KAAKy3C,GAAgBlkE,SAAQ,SAAAi8C,GAClC6E,GAAiBojB,EAAejoB,WACzBioB,EAAejoB,O,EAI1B/Y,kBAAA,WACErlC,KAAKwmE,QAAU,EACfxmE,KAAKklE,QAAU,EACfllE,KAAKokE,OAAS,CACZpzB,SAAU,EACVm0B,mBAAoB,EACpB0C,EAAG,CACDlnD,MAAO,EAAGukD,QAAS,EAAGD,KAAK,IAG/BjlE,KAAK4nE,gB,EAGPA,aAAA,WAAgB,IAEN1lC,EAAUliC,KAAVkiC,MACR,GAAKA,EAAL,CAGA,IAAMwhB,EAAaxhB,EAAMwhB,WACzB,GAAIA,EACF,IAAK,IAAIz8C,EAAI,EAAGA,EAAIy8C,EAAWn9C,OAAQU,IACrCg8C,GAAiBS,EAAWz8C,M,EAKlC65C,iBAAA,SAAkBz6C,GAAiC,WAMjD,GALArG,KAAK0jD,WAAa,GAClB1jD,KAAKmmE,iBAAmBnmE,KAAKmmE,kBAAoB,GACjDnmE,KAAKquB,QAAU,GACfruB,KAAKomE,UAAY,GAEbpmE,KAAKuR,OAAOu2D,aAAc,CAC5B9nE,KAAKkrB,OAAS7kB,EAAKwhC,WAAa,GAChC,IAAMkgC,EAAc/nE,KAAKkiC,MAAQliC,KAAKkiC,MAAMwhB,WAAa,GAEzD1jD,KAAKkrB,OAAO/oB,SAAQ,SAAC+T,EAAOvN,GAC1B,IAAIka,EACJ,GAAIla,EAAQo/D,EAAYxhE,OAAQ,CAG9B,IAFA,IAAIq/D,EAA+B,KAE1B3+D,EAAI,EAAGA,EAAI8gE,EAAYxhE,OAAQU,IACtC,GAAI0+D,GAAqBoC,EAAY9gE,GAAIiP,GAAQ,CAC/C0vD,EAAamC,EAAY9gE,GACzB,MAKA2+D,IACF/iD,EAAY+iD,GAGX/iD,IACHA,EAAY,EAAK8kD,gBAAgB,YAAazxD,EAAM1J,KAAM0J,EAAMwsB,OAG9DxsB,EAAMihB,QACRtU,EAAUshC,KAAO,EAAKzpB,IAAIstC,gBAAkB,UAAY,SAExDnlD,EAAUshC,KAAO,WAGnB,EAAKT,WAAW97C,KAAKib,Q,EAK3B6pB,aAAA,SAAcrmC,GAAwC,IAC5Cgd,EAAkBhd,EAAlBgd,KAAMuH,EAAYvkB,EAAZukB,QACN27C,EAAoDvmE,KAApDumE,aAAcl4C,EAAsCruB,KAAtCquB,QAASm4C,EAA6BxmE,KAA7BwmE,OAAQL,EAAqBnmE,KAArBmmE,iBACvC,GAAkB,SAAd9iD,EAAK9hB,KAAiB,CACxB,IAAMypB,EAAK3H,EAAK2H,GAEZ3H,EAAK2H,KAAOw7C,EAAS,GACnBD,GACFA,EAAa5K,QAGjB37D,KAAKwmE,OAASx7C,OAGX,GAAkB,aAAd3H,EAAK9hB,KACZ,GAAIqpB,EAAQ3iB,WAAY,CAEtB,IAAK,YAAgBomB,EAAQhL,EAAKsZ,KAMhC,OALAwpC,EAAiBv+D,KAAKvB,QAClBgoB,EAAQ9nB,QAEVvG,KAAK06B,IAAIjoB,QAAQC,IAAMnO,wBAAyB,CAAE0jE,SAAS,EAAO5kD,UAKtE,IAAI6kD,EAAc7kD,EAAK7F,YAEH,MAAf0qD,GAA4C,MAAnBA,EAAY7nE,KAAwC,YAAvB6nE,EAAYvoD,QACrE3f,KAAKmoE,WAAW9kD,EAAMuH,QAIxB5qB,KAAK06B,IAAIjoB,QAAQC,IAAMnO,wBAAyB,CAAE0jE,SAAS,EAAO5kD,U,EAKxE8kD,WAAA,SAAY9kD,EAAgBuH,GAAS,IAC3B8P,EAAoC16B,KAApC06B,IAAKwqC,EAA+BllE,KAA/BklE,OAAQxhB,EAAuB1jD,KAAvB0jD,WAAY0gB,EAAWpkE,KAAXokE,OAC5BA,EAAO/gD,EAAKsZ,MACfynC,EAAO/gD,EAAKsZ,IAAM,CAAEhc,MAAO0C,EAAK1C,MAAOukD,SAAQD,KAAK,GACpDjlE,KAAKklE,OAAS7hD,EAAKsZ,IAGrBsnC,GAAa7pC,MAAMxP,EAAS5qB,KAAKquB,QAAQhL,EAAKsZ,IAAKynC,EAAQ/gD,EAAKsZ,IAAI,SAAUumB,GAC5E,IAAMklB,EAAe1kB,EAAWrgC,EAAK0Z,OAIrC,GAA0B,aAAtBqrC,EAAajkB,KAAjB,CAIA,IAAIkkB,EAAeriE,OAAOk5B,iBAG1BgkB,EAAK/gD,SAAQ,SAAA8hD,GAMX,GAJAokB,EAAehgE,KAAK0S,IAAIkpC,EAAI5wB,UAAUg1C,IAIjCD,EAAallB,KAAKolB,WAAWrkB,EAAIxrC,IACpC,IAEE,GADA2vD,EAAa5jB,OAAOP,IACfmkB,EAAallB,KAAKolB,WAAWrkB,EAAIxrC,IACpC,MAAM,IAAI3N,MAAJ,yBAAmCm5C,GAE3C,MAAO5xC,GACP/P,IAAOtB,MAAP,mCAAgDqR,GAChD,IAAMk2D,EAAe,IAAKx+D,OAAew6C,aAAaN,EAAI5wB,UAAW4wB,EAAI3wB,QAAS2wB,EAAIp7C,MACtF0/D,EAAa9vD,GAAKwrC,EAAIxrC,GACtB2vD,EAAa5jB,OAAO+jB,OAS1B,IAHA,IAAI9tB,EAAmB/f,EAAIg0B,iBAAiBjU,iBAGrCyI,EAAK38C,OAAS,QAA0B6K,IAArBqpC,GAEpB2tB,EAAallB,KAAK,GAAG7vB,UAAYg1C,EAAe,KAClDD,EAAajlB,UAAUilB,EAAallB,KAAK,IAK7CxoB,EAAIjoB,QAAQC,IAAMnO,wBAAyB,CAAE0jE,SAAS,EAAM5kD,KAAMA,SAvChEqX,EAAIjoB,QAAQC,IAAMnO,wBAAyB,CAAE0jE,SAAS,EAAO5kD,KAAMA,OAyCvE,SAAUhhB,GAERC,IAAOrB,IAAP,4BAAuCoB,GACvCq4B,EAAIjoB,QAAQC,IAAMnO,wBAAyB,CAAE0jE,SAAS,EAAO5kD,KAAMA,Q,EAIvEmlD,gBAAA,SAAiBniE,GAAuC,IAC9Cgd,EAAkBhd,EAAlBgd,KAAMuH,EAAYvkB,EAAZukB,QACd,GAAkB,aAAdvH,EAAK9hB,KAAqB,CAC5B,IAAK,YAAgBvB,KAAKquB,QAAQhL,EAAKsZ,KAErC,YADA38B,KAAKmmE,iBAAiBv+D,KAAKvB,GAI7BrG,KAAKmoE,WAAW9kD,EAAMuH,K,EAI1B69C,sBAAA,SAAuBpiE,GACrB,GAAKrG,KAAKimE,SAAYjmE,KAAKumE,aAM3B,IAAK,IAAIt/D,EAAI,EAAGA,EAAIZ,EAAK0R,QAAQxR,OAAQU,IAAK,CAC5C,IAAMyhE,EAAUriE,EAAK0R,QAAQ9Q,GAAGme,MAChC,GAAIsjD,EAAS,CACX,IAAMC,EAAU3oE,KAAK4oE,kBAAkBF,GACvC1oE,KAAKumE,aAAahE,QAAQl8D,EAAK0R,QAAQ9Q,GAAGoQ,IAAKsxD,M,EAKrDC,kBAAA,SAAmB1jD,GAMjB,IALA,IAEI2jD,EAASC,EAASC,EAFlB7tD,EAAuB,GAAfgK,EAAU,GAClBtK,EAAW,EAEXouD,EAA0B,GAErB1zD,EAAI,EAAGA,EAAI4F,EAAO5F,IACzBuzD,EAAU3jD,EAAUtK,KACpBkuD,EAAU,IAAO5jD,EAAUtK,KAC3BmuD,EAAU,IAAO7jD,EAAUtK,KAIX,IAAZkuD,GAA6B,IAAZC,GAHO,IAAjB,EAAIF,IAQE,KAPR,EAAIA,KAQTG,EAAcphE,KAAKkhE,GACnBE,EAAcphE,KAAKmhE,IAIzB,OAAOC,G,GAjXsBvuC,G,uKCwOjC,SAASwuC,GAAsBC,GAE7B,IADA,IAAIh+C,EAAS,GACJjkB,EAAI,EAAGA,EAAIiiE,EAAc3iE,OAAQU,IAAK,CAC7C,IAAMiP,EAAQgzD,EAAcjiE,GAET,cAAfiP,EAAMytC,MAAwBztC,EAAM0tC,OACtC14B,EAAOtjB,KAAKshE,EAAcjiE,IAG9B,OAAOikB,EAGMi+C,O,oBAxPb,WAAazuC,GAAK,aAChB,cAAMA,EACJhoB,IAAMjQ,eACNiQ,IAAMhQ,gBACNgQ,IAAMrP,gBACNqP,IAAMpO,wBAJR,MAKK4mB,OAAS,GACd,EAAKqK,SAAW,EAChB,EAAK2M,MAAQ,KACb,EAAKknC,SAAU,EAKf,EAAKpB,iBAAkB,EAMvB,EAAKqB,mBAAqB,KApBV,E,wHAuBlBl4D,QAAA,WACEspB,EAAaj6B,UAAU2Q,QAAQzQ,KAAKV,O,EAItC28C,gBAAA,SAAiBt2C,GAAM,WACrBrG,KAAKkiC,MAAQ77B,EAAK67B,MACbliC,KAAKkiC,QAIN,YAAgBliC,KAAKqpE,sBACvBrpE,KAAKspE,cAAgBtpE,KAAKqpE,mBAC1BrpE,KAAKqpE,mBAAqB,MAG5BrpE,KAAKupE,oBAAsBvpE,KAAKwpE,qBAAqBlpE,KAAKN,MAE1DA,KAAKypE,sBAAwBzpE,KAAKkiC,MAAMwhB,YAAc,aAAc1jD,KAAKkiC,MAAMwhB,YAC3E1jD,KAAKypE,oBACPzpE,KAAK0pE,wBAA0B3yB,aAAY,WACzC,EAAKwyB,wBACJ,KAEHvpE,KAAKkiC,MAAMwhB,WAAWxpB,iBAAiB,SAAUl6B,KAAKupE,uB,EAI1DtsB,iBAAA,WACOj9C,KAAKkiC,QAINliC,KAAKypE,oBACP7yB,cAAc52C,KAAK0pE,yBAEnB1pE,KAAKkiC,MAAMwhB,WAAWjU,oBAAoB,SAAUzvC,KAAKupE,qBAGvD,YAAgBvpE,KAAKspE,iBACvBtpE,KAAKqpE,mBAAqBrpE,KAAKspE,eAGdL,GAAqBjpE,KAAKkiC,MAAMwhB,YAExCvhD,SAAQ,SAAC+T,GAClB+sC,GAAiB/sC,MAGnBlW,KAAKspE,eAAiB,EACtBtpE,KAAKkiC,MAAQ,O,EAIf4e,iBAAA,SAAkBz6C,GAAM,WAClB6kB,EAAS7kB,EAAKwhC,WAAa,GAC/B7nC,KAAKkrB,OAASA,EACdlrB,KAAK06B,IAAIjoB,QAAQC,IAAMvO,wBAAyB,CAAEwlE,eAAgBz+C,IAIlEA,EAAO/oB,SAAQ,SAAA+T,GACTA,EAAMihB,UAKJ,EAAK+K,MACP,EAAKonC,cAAgBpzD,EAAMuC,GAE3B,EAAK4wD,mBAAqBnzD,EAAMuC,Q,EAMxCmxD,sBAAA,SAAuBvjE,GAAM,WACnBoS,EAAgBpS,EAAhBoS,GAAI7F,EAAYvM,EAAZuM,QACJ2iB,EAAoBv1B,KAApBu1B,QAASrK,EAAWlrB,KAAXkrB,OACXk9C,EAAel9C,EAAOqK,GAC5B,GAAI9c,GAAMyS,EAAO3kB,QAAUkS,IAAO8c,IAAY6yC,GAAgBpoE,KAAKopE,QACjEppE,KAAK6pE,yBAKP,GADAvnE,IAAOrB,IAAP,kBAA6BwX,EAA7B,WACI7F,EAAQsrB,KAAM,CAChB,IAAM4T,EAAiBH,GAAsBy2B,EAAax1D,QAASA,EAASvM,EAAKktB,MAAM+uB,UACvFhgD,IAAOrB,IAAP,uCAAkD6wC,EAAlD,MACA9xC,KAAKwgD,MAAQrJ,YAAW,WACtB,EAAK2yB,sBACJh4B,QAEH9xC,KAAK6pE,qB,EAITvyB,UAAA,WACEt3C,KAAKopE,SAAU,EACfppE,KAAK8pE,qB,EAGPvyB,SAAA,WACEv3C,KAAKopE,SAAU,EACfppE,KAAK6pE,qB,EAqBPA,kBAAA,WACM7pE,KAAKwgD,QACPvJ,aAAaj3C,KAAKwgD,OAClBxgD,KAAKwgD,MAAQ,O,EAIjBspB,kBAAA,WAAqB,IACXv0C,EAAyBv1B,KAAzBu1B,QAASrK,EAAgBlrB,KAAhBkrB,OAAQwP,EAAQ16B,KAAR06B,IACnB0tC,EAAel9C,EAAOqK,GACxBA,EAAU,IAAM6yC,GAAiBA,EAAax1D,UAAYw1D,EAAax1D,QAAQsrB,OAGnF57B,IAAOrB,IAAP,0BAAqCs0B,GACrCmF,EAAIjoB,QAAQC,IAAMrO,uBAAwB,CAAEyE,IAAKs/D,EAAat/D,IAAK2P,GAAI8c,M,EAUzEw0C,kBAAA,SAAmBnX,GAAO,IAChB1wB,EAAoCliC,KAApCkiC,MAAO8lC,EAA6BhoE,KAA7BgoE,gBAAiBzyC,EAAYv1B,KAAZu1B,QAChC,GAAK2M,EAAL,CAIA,IAAMwhB,EAAaulB,GAAqB/mC,EAAMwhB,YAC9C,IAAe,IAAXkP,EACF,GAAG1hD,MAAMxQ,KAAKgjD,GAAYvhD,SAAQ,SAAA+T,GAChCA,EAAMiuC,KAAO,kBAEV,CACL,IAAM6lB,EAAWtmB,EAAWnuB,GACxBy0C,IACFA,EAAS7lB,KAAO,YAIpB,IAAM8lB,EAAYvmB,EAAWkP,GACzBqX,IACFA,EAAU9lB,KAAO6jB,EAAkB,UAAY,Y,EASnDkC,0BAAA,SAA2BtX,GAAO,IACxBl4B,EAAgB16B,KAAhB06B,IAAKxP,EAAWlrB,KAAXkrB,QACR,YAAgB0nC,IAAUA,GAAS,GAAKA,GAAS1nC,EAAO3kB,SAI7DvG,KAAKu1B,QAAUq9B,EACftwD,IAAOrB,IAAP,+BAA0C2xD,GAC1Cl4B,EAAIjoB,QAAQC,IAAMtO,sBAAuB,CAAEqU,GAAIm6C,IAC/C5yD,KAAK8pE,sB,EAGPN,qBAAA,WAEE,GAAKxpE,KAAKkiC,MAAV,CAMA,IAFA,IAAI3M,GAAW,EACXrK,EAAS+9C,GAAqBjpE,KAAKkiC,MAAMwhB,YACpCjrC,EAAK,EAAGA,EAAKyS,EAAO3kB,OAAQkS,IACnC,GAAwB,WAApByS,EAAOzS,GAAI0rC,KAEb5uB,EAAU9c,OACL,GAAwB,YAApByS,EAAOzS,GAAI0rC,KAAoB,CACxC5uB,EAAU9c,EACV,MAKJzY,KAAKspE,cAAgB/zC,I,6CApGrB,OAAOv1B,KAAKkrB,S,oCAKZ,OAAOlrB,KAAKu1B,S,aAIK40C,GACbnqE,KAAKu1B,UAAY40C,IACnBnqE,KAAK+pE,kBAAkBI,GACvBnqE,KAAKkqE,0BAA0BC,S,gCAjJC1vC,G,YCH1B2vC,GCUJt3C,GAAgB/oB,OAAhB+oB,YAGKu3C,GAAb,Y,QACE,WAAa3vC,EAAK0Z,GAAiB,aACjC,cAAM1Z,EACJhoB,IAAMjQ,eACNiQ,IAAMhQ,gBACNgQ,IAAMnN,MACNmN,IAAMhN,WACNgN,IAAM9N,YACN8N,IAAMvO,wBACNuO,IAAMtO,sBACNsO,IAAMpO,sBACNoO,IAAMnO,wBACNmO,IAAM/O,gBAVR,MAYKywC,gBAAkBA,EACvB,EAAK7iC,OAASmpB,EAAInpB,OAClB,EAAK8U,MAAQ+wB,GACb,EAAKlsB,OAAS,GACd,EAAKo/C,eAAiB,GACtB,EAAKC,gBAAkB,EACvB,EAAK7sD,UAAY,IAAIrM,KAAUqpB,EAAKA,EAAInpB,QAExC,EAAKi5D,YAAc,EACnB,EAAKC,gBAAkB,EAAK9yB,eAAer3C,K,yHAApB,KAtBU,E,EADrC,G,EAAA,G,6EAAA,2BA0BEoqE,wBAAA,SAAyBrkE,GAAM,IACrBgd,EAAkBhd,EAAlBgd,KAAM4kD,EAAY5hE,EAAZ4hE,QAGd,GAFAjoE,KAAK6zC,aAAexwB,EACpBrjB,KAAKqmB,MAAQ+wB,GACR6wB,EAAL,CAIA,IAAM98B,EAAWnrC,KAAKsqE,eAAetqE,KAAKuqE,gBAC1C,GAAKp/B,EAAL,CAQA,IAFA,IAAII,EACEo/B,EAAYtnD,EAAK1C,MACd1Z,EAAI,EAAGA,EAAIkkC,EAAS5kC,OAAQU,IACnC,GAAI0jE,GAAax/B,EAASlkC,GAAG0Z,OAASgqD,GAAax/B,EAASlkC,GAAGQ,IAAK,CAClE8jC,EAAYJ,EAASlkC,GACrB,MAIJ,IAAM2jE,EAAUvnD,EAAK1C,MAAQ0C,EAAK/K,SAC9BizB,EACFA,EAAU9jC,IAAMmjE,GAEhBr/B,EAAY,CACV5qB,MAAOgqD,EACPljE,IAAKmjE,GAEPz/B,EAASvjC,KAAK2jC,OA1DpB,EA8DEoR,gBAAA,YAA4B,IAATza,EAAS,EAATA,MACjBliC,KAAKkiC,MAAQA,EACbA,EAAMhI,iBAAiB,UAAWl6B,KAAKyqE,iBACvCzqE,KAAKqmB,MAAQ+wB,IAjEjB,EAoEE6F,iBAAA,WAAoB,WACbj9C,KAAKkiC,QAGVliC,KAAKkiC,MAAMuN,oBAAoB,UAAWzvC,KAAKyqE,iBAC/CzqE,KAAKo0C,gBAAgBrH,qBACrB/sC,KAAKuqE,gBAAkB,EACvBvqE,KAAKkrB,OAAO/oB,SAAQ,SAAC+T,GACnB,EAAKo0D,eAAep0D,EAAMuC,IAAM,MAElCzY,KAAKkiC,MAAQ,KACbliC,KAAKqmB,MAAQ+wB,KA/EjB,EAmFErQ,QAAA,SAAS1gC,GAOPrG,KAAKqmB,MAAQ+wB,IA1FjB,EA8FEyzB,wBAAA,SAAyBxkE,GAAM,WAC7B/D,IAAOrB,IAAI,2BACXjB,KAAKsqE,eAAiB,GACtBtqE,KAAKkrB,OAAS7kB,EAAKsjE,eACnB3pE,KAAKkrB,OAAO/oB,SAAQ,SAAC+T,GACnB,EAAKo0D,eAAep0D,EAAMuC,IAAM,OAnGtC,EAuGEqyD,sBAAA,SAAuBzkE,GAGrB,GAFArG,KAAKuqE,eAAiBlkE,EAAKoS,GAEtBzY,KAAKkrB,QAAWlrB,KAAKkrB,OAAO3kB,SAAmC,IAAzBvG,KAAKuqE,eAAhD,CAMA,IAAMnC,EAAepoE,KAAKkrB,OAAOlrB,KAAKuqE,gBAClCnC,GAAgBA,EAAax1D,SAC/B5S,KAAK+2C,YApHW,UA6GhB/2C,KAAK42C,iBA3GX,EAuHEgzB,sBAAA,SAAuBvjE,GAAM,IACnBoS,EAAgBpS,EAAhBoS,GAAI7F,EAAYvM,EAAZuM,QACJ23D,EAA2BvqE,KAA3BuqE,eAAgBr/C,EAAWlrB,KAAXkrB,OAClBk9C,EAAel9C,EAAOq/C,GACxB9xD,GAAMyS,EAAO3kB,QAAUkS,IAAO8xD,IAAmBnC,IAIjDx1D,EAAQsrB,M7BkBT,SAAiCoT,EAAaC,EAAaw5B,QAAoB,IAApBA,MAAiB,GACjF,IAAInrC,GAAa,EACjBqR,GAAwBK,EAAaC,GAAa,SAACL,EAASC,EAASxoC,GACnEwoC,EAAQxwB,MAAQuwB,EAAQvwB,MACxBif,EAAYj3B,KAGd,IAAMqiE,EAAQz5B,EAAYtT,UAC1B,GAAI2B,EAAY,EACdorC,EAAM7oE,SAAQ,SAAAkhB,GACZA,EAAK1C,OAASoqD,UAKlB,IAAK,IAAI9jE,EAAI24B,EAAY,EAAG34B,EAAI+jE,EAAMzkE,OAAQU,IAC5C+jE,EAAM/jE,GAAG0Z,MAASqqD,EAAM/jE,EAAI,GAAG0Z,MAAQqqD,EAAM/jE,EAAI,GAAGqR,S6BjClD2yD,CAAuB7C,EAAax1D,QAASA,EAAS5S,KAAKwqE,aAE7DpC,EAAax1D,QAAUA,EACvB5S,KAAK+2C,YArIa,OAEtB,EAsIE2G,YAAA,WACM19C,KAAKqmB,QAAU+wB,KACjBp3C,KAAKqmB,MAAQ+wB,KAxInB,EA4IE1K,aAAA,SAAcrmC,GACZ,IAAMmxC,EAAcx3C,KAAKw3C,YACnB0wB,EAAc7hE,EAAKgd,KAAK7F,YACxBmgC,EAAat3C,EAAKgd,KAClBqX,EAAM16B,KAAK06B,IAEjB,GAAI16B,KAAKqmB,QAAU+wB,IACfI,GACmB,aAAnBnxC,EAAKgd,KAAK9hB,MACVi2C,EAAYxsB,KAAO3kB,EAAKgd,KAAK2H,IAE3B3kB,EAAKukB,QAAQ3iB,WAAa,GAAMigE,GAAeA,EAAY7nE,KAA8B,YAAvB6nE,EAAYvoD,OAAuB,CACvG,IAAI0T,EAAYP,GAAYlG,MAG5B5sB,KAAK0d,UAAUnR,QAAQlG,EAAKukB,QAASs9C,EAAY7nE,IAAIqI,OAAQw/D,EAAY77D,GAAG3D,QAAQ,SAAU0V,GAC5F,IAAIkV,EAAUR,GAAYlG,MAC1B8N,EAAIjoB,QAAQC,IAAM7N,eAAgB,CAAEwe,KAAMs6B,EAAY/yB,QAASxM,EAAemV,MAAO,CAAEC,OAAQH,EAAWI,SAAUH,UA7J9H,EAmKEy5B,eAAA,YAA6B,IACrBie,EADqB,EAAXp4D,QACMqrB,UACtBj+B,KAAKwqE,YAAcQ,EAAMzkE,OAASykE,EAAM,GAAGrqD,MAAQ,GArKvD,EAwKEu2B,OAAA,WACE,GAAKl3C,KAAKkiC,MAKV,OAAQliC,KAAKqmB,OACb,KAAK+wB,GAAY,IACP7lC,EAA2DvR,KAA3DuR,OAAQg5D,EAAmDvqE,KAAnDuqE,eAAiCroC,GAAkBliC,KAAnCo0C,gBAAmCp0C,KAAlBkiC,OAAOhX,EAAWlrB,KAAXkrB,OACxD,IAAKA,IAAWA,EAAOq/C,KAAoBr/C,EAAOq/C,GAAgB33D,QAChE,MAHa,IAoBXyhD,EAdItjC,EAA0Cxf,EAA1Cwf,cAAe0d,EAA2Bl9B,EAA3Bk9B,uBACjBqlB,EAAkBzrD,KAAK0S,IAAIxJ,EAAOqoC,gBAAiBroC,EAAOsoC,oBAC1D/L,EAAeL,EAAaK,aAAa9tC,KAAKkrE,eAAgBhpC,EAAMwM,YAAa3d,GAC1Ewd,EAA8BT,EAAnCrmC,IAAqB4mC,EAAcP,EAAnBnkC,IAElBiqD,EAAe1oC,EAAOq/C,GAAgB33D,QACtCqrB,EAAY21B,EAAa31B,UACzB8b,EAAU9b,EAAU13B,OACpBkB,EAAMw2B,EAAU8b,EAAU,GAAGp5B,MAAQsd,EAAU8b,EAAU,GAAGzhC,SAElE,GAAI+1B,EAAYylB,EACd,OAIF,IAAMjgB,EAAe7zC,KAAK6zC,aACtBtF,EAAY9mC,GACVosC,GAAgB+f,EAAaxgB,qBAC/BihB,EAAY9gB,GAAkBtV,EAAW4V,EAAa3P,mBAAoBuK,IAEvE4lB,IACHA,EAAYzgB,GAAkBC,EAAc5V,EAAWsQ,EAAWE,KAE/D4lB,GAAaT,EAAa11B,MAAQ2V,GAAgBA,EAAalzB,MAAQsd,EAAU,GAAGtd,QAuBxF0zC,EAAYp2B,EAAU,GACtB37B,IAAOpB,KAAP,iFAA6FmzD,EAAU1zC,MAAvG,OAID0zC,EAAYp2B,EAAU8b,EAAU,GAG9Bsa,GAAaA,EAAUla,WACzB73C,IAAOrB,IAAP,mBAA8BozD,EAAUrpC,IACxChrB,KAAKqmB,MAAQ+wB,GACbp3C,KAAK06B,IAAIjoB,QAAQC,IAAMjN,YAAa,CAAE4d,KAAMgxC,KACnCA,GAAar0D,KAAKo0C,gBAAgB3H,SAAS4nB,KAAe1pB,IAEnE3qC,KAAKw3C,YAAc6c,EACnBr0D,KAAKqmB,MAAQ+wB,GACbp3C,KAAK06B,IAAIjoB,QAAQC,IAAMjO,aAAc,CAAE4e,KAAMgxC,UAzE/Cr0D,KAAKqmB,MAAQ+wB,IA1KnB,EAyPEG,SAAA,WACEv3C,KAAKwqE,YAAc,EACnB,YAAMjzB,SAAN,YA3PJ,EA8PE2zB,aAAA,WACE,OAAOlrE,KAAKsqE,eAAetqE,KAAKuqE,iBAAmB,IA/PvD,EAkQE5yB,eAAA,WACE33C,KAAK6zC,aAAe,MAnQxB,GAA8CwD,K,SDblC+yB,K,8BAAAA,E,qCAAAA,Q,KAMZ,IAAMe,GACkB,oBAAXphE,QAA0BA,OAAO2M,WAAa3M,OAAO2M,UAAUy0D,4BACjEphE,OAAO2M,UAAUy0D,4BAA4B7qE,KAAKyJ,OAAO2M,WAEzD,K,uKECX,IAwfe00D,G,oBArab,WAAa1wC,GAAK,aAChB,cAAMA,EACJhoB,IAAMjQ,eACNiQ,IAAM/P,eACN+P,IAAMpP,kBAHR,MAhBM+nE,yBAeU,IAdVC,sBAcU,IAbVC,iBAaU,IAZVC,kCAYU,IAVVC,aAUU,IATVC,eAAsC,GAS5B,EARVC,OAAkC,KAQxB,EAPVC,kBAA4B,EAOlB,EANVC,4BAAsC,EAM5B,EA+IVC,kBAAoB,SAACzpE,GAC3BC,IAAOrB,IAAP,6BAAwCoB,EAAE0pE,aAA1C,oBAEA,EAAKC,uBACL,EAAKC,wCAAwC5pE,EAAE0pE,aAAc1pE,EAAE0xB,WA7I/D,EAAK03C,QAAU/wC,EAAInpB,OAEnB,EAAK85D,oBAAsB,EAAKI,QAAQS,mBACxC,EAAKZ,iBAAmB,EAAKG,QAAQU,gBACrC,EAAKZ,YAAc,EAAKE,QAAQW,WAChC,EAAKZ,6BAA+B,EAAKC,QAAQY,gCAXjC,E,wHAmBlBC,oBAAA,SAAqBC,GACnB,OAAQA,GACR,KAAKnC,GAAWoC,SACd,IAAKxsE,KAAKqrE,oBACR,MAEF,OAAOrrE,KAAKqrE,oBAGd,MAAM,IAAIvgE,MAAJ,oDAA8DyhE,EAA9D,M,EAWAE,wBAAR,SAAiCF,EAAuBG,EAAuBC,GAAuB,WAI9FC,EAnFuC,SAAUL,EAAuBG,EAAuBC,GACvG,OAAQJ,GACR,KAAKnC,GAAWoC,SACd,OApC+C,SAAUE,EAAuBC,GAClF,IAAME,EAA0C,CAM9CC,kBAAmB,IASrB,OANAH,EAAYxqE,SAAQ,SAAC6U,GACnB61D,EAAWC,kBAAmBllE,KAAK,CACjCmlE,YAAa,sBAAsB/1D,EAAxB,SAIR,CACL61D,GAmBOG,CAA2CN,EAAaC,GACjE,QACE,MAAM,IAAI7hE,MAAJ,uBAAiCyhE,IA8ETU,CAAyCV,EAAWG,EAAaC,GAE/FrqE,IAAOrB,IAAI,gDAGXjB,KAAKmrE,4BAA4BoB,EAAWK,GACzC16D,MAAK,SAACg7D,GACL,EAAKC,gCAAgCZ,EAAWW,MAEjD96D,OAAM,SAACC,GACN/P,IAAOlB,MAAP,gCAA6CmrE,EAA7C,YAAmEl6D,O,EAkBjE86D,gCAAR,SAAyCZ,EAAuBW,GAA4C,WAC1G5qE,IAAOrB,IAAP,0BAAqCsrE,EAArC,cAEA,IAAMa,EAAuC,CAC3CC,6BAA6B,EAC7BH,qBAAsBA,EACtBI,qBAAsBf,GAGxBvsE,KAAK0rE,eAAe9jE,KAAKwlE,GAEzBF,EAAqBK,kBAClBr7D,MAAK,SAACs7D,GACLJ,EAAkBI,UAAYA,EAE9BlrE,IAAOrB,IAAP,sCAAiDsrE,EAAjD,KAEA,EAAKkB,yBAENr7D,OAAM,SAACC,GACN/P,IAAOlB,MAAM,+BAAgCiR,O,EAU3Co7D,oBAAR,WAA+B,WAE7BztE,KAAK0rE,eAAevpE,SAAQ,SAACirE,GACtBA,EAAkBM,mBAErBN,EAAkBM,iBAAmBN,EAAkBI,UAAWG,gBAClE,EAAKC,sBAAsBR,EAAkBM,uB,EAS3CE,sBAAR,SAA+BC,GAA6B,WAC1DvrE,IAAOrB,IAAP,0BAAqC4sE,EAAWC,WAEhDD,EAAW3zC,iBAAiB,WAAW,SAACzmB,GACtC,EAAKs6D,qBAAqBF,EAAYp6D,EAAMjB,YAC3C,I,EAQGu7D,qBAAR,SAA8BF,EAA6Br7D,GACzDlQ,IAAOrB,IAAI,mDAEXjB,KAAKguE,gBAAgBx7D,GAAS,SAACnM,GAC7B/D,IAAOrB,IAAP,mCAA6CoF,EAAOA,EAAK4B,WAAa5B,GAAtE,2BACAwnE,EAAWI,OAAO5nE,O,EAmBd2lE,qBAAR,WACE,IAAKhsE,KAAK2rE,OACR,MAAM,IAAI7gE,MAAM,sEAGlB,IAAK9K,KAAK4rE,iBAAkB,CAE1B,IAAMsC,EAAeluE,KAAK0rE,eAAe,GACzC,IAAKwC,IAAiBA,EAAaV,UAOjC,OANAlrE,IAAOlB,MAAM,sFACbpB,KAAK06B,IAAIjoB,QAAQC,IAAMnN,MAAO,CAC5BhE,KAAMsE,IAAWsoE,iBACjBv7D,QAAS9M,IAAasoE,mBACtBt7D,OAAO,IAKXxQ,IAAOrB,IAAI,oCAEXjB,KAAK2rE,OAAO0C,aAAaH,EAAaV,WACtCxtE,KAAK4rE,kBAAmB,I,EAOpBK,wCAAR,SAAiDF,EAAsBh4C,GAA8B,WAE7Fm6C,EAAeluE,KAAK0rE,eAAe,GACzC,IAAKwC,EAOH,OANA5rE,IAAOlB,MAAM,sFACbpB,KAAK06B,IAAIjoB,QAAQC,IAAMnN,MAAO,CAC5BhE,KAAMsE,IAAWsoE,iBACjBv7D,QAAS9M,IAAawoE,qBACtBx7D,OAAO,IAKX,GAAIo7D,EAAab,4BACf/qE,IAAOpB,KAAK,2DADd,CAKA,IAAM2sE,EAAaK,EAAaR,iBAChC,IAAKG,EAOH,OANAvrE,IAAOlB,MAAM,8DACbpB,KAAK06B,IAAIjoB,QAAQC,IAAMnN,MAAO,CAC5BhE,KAAMsE,IAAWsoE,iBACjBv7D,QAAS9M,IAAayoE,sBACtBz7D,OAAO,IAMX,IAAKihB,EAOH,OANAzxB,IAAOpB,KAAK,sEACZlB,KAAK06B,IAAIjoB,QAAQC,IAAMnN,MAAO,CAC5BhE,KAAMsE,IAAWsoE,iBACjBv7D,QAAS9M,IAAa0oE,wBACtB17D,OAAO,IAKXxQ,IAAOrB,IAAP,uCAAkD8qE,EAAlD,oBACAmC,EAAab,6BAA8B,EAE3CQ,EAAWY,gBAAgB1C,EAAch4C,GACtC7hB,MAAK,WACJ5P,IAAOtB,MAAM,uCAEdoR,OAAM,SAACC,GACN/P,IAAOlB,MAAM,wCAAyCiR,GACtD,EAAKqoB,IAAIjoB,QAAQC,IAAMnN,MAAO,CAC5BhE,KAAMsE,IAAWsoE,iBACjBv7D,QAAS9M,IAAayoE,sBACtBz7D,OAAO,S,EAaP47D,kBAAR,SAA2B5lE,EAAa6lE,EAAyB58D,GAC/D,IAAMu/C,EAAM,IAAIR,eACVqb,EAAkBnsE,KAAKsrE,iBAE7B,IACE,GAAIa,EACF,IACEA,EAAgB7a,EAAKxoD,GACrB,MAAOzG,GAEPivD,EAAIC,KAAK,OAAQzoD,GAAK,GACtBqjE,EAAgB7a,EAAKxoD,GAIpBwoD,EAAI5W,YACP4W,EAAIC,KAAK,OAAQzoD,GAAK,GAExB,MAAOzG,GAEP,MAAM,IAAIyI,MAAJ,0CAAoDzI,GAO5D,OAHAivD,EAAI9rB,aAAe,cACnB8rB,EAAII,mBACA1xD,KAAK4uE,kCAAkCtuE,KAAKN,KAAMsxD,EAAKxoD,EAAK6lE,EAAY58D,GACrEu/C,G,EAUDsd,kCAAR,SAA2Ctd,EAAqBxoD,EAAa6lE,EAAyB58D,GACpG,OAAQu/C,EAAI5W,YACZ,KAAK,EACH,GAAmB,MAAf4W,EAAIE,OACNxxD,KAAK6rE,4BAA8B,EACnCvpE,IAAOrB,IAAI,6BAEc,gBAArBqwD,EAAI9rB,cACNljC,IAAOpB,KAAK,iFAEd6Q,EAASu/C,EAAI1sB,cACR,CAGL,GAFAtiC,IAAOlB,MAAP,+BAA4C0H,EAA5C,cAA6DwoD,EAAIE,OAAjE,KAA4EF,EAAIW,WAAhF,KACAjyD,KAAK6rE,8BACD7rE,KAAK6rE,4BA5XoB,EAkY3B,YALA7rE,KAAK06B,IAAIjoB,QAAQC,IAAMnN,MAAO,CAC5BhE,KAAMsE,IAAWsoE,iBACjBv7D,QAAS9M,IAAa+oE,kCACtB/7D,OAAO,IAKX,IAAMg8D,EArYuB,EAqYuB9uE,KAAK6rE,4BAA8B,EACvFvpE,IAAOpB,KAAP,6BAAyC4tE,EAAzC,kBACA9uE,KAAKguE,gBAAgBW,EAAY58D,M,EAa/Bg9D,iCAAR,SAA0Cb,EAAiCS,GACzE,OAAQT,EAAaZ,sBAuBrB,KAAKlD,GAAWoC,SAEd,OAAOmC,EAGT,MAAM,IAAI7jE,MAAJ,2BAAqCojE,EAAaZ,uB,EAQlDU,gBAAR,SAAyBW,EAAyB58D,GAChDzP,IAAOrB,IAAI,6CAEX,IAAMitE,EAAeluE,KAAK0rE,eAAe,GACzC,IAAKwC,EAOH,OANA5rE,IAAOlB,MAAM,uFACbpB,KAAK06B,IAAIjoB,QAAQC,IAAMnN,MAAO,CAC5BhE,KAAMsE,IAAWsoE,iBACjBv7D,QAAS9M,IAAawoE,qBACtBx7D,OAAO,IAKX,IACE,IAAMhK,EAAM9I,KAAKssE,oBAAoB4B,EAAaZ,sBAC5Chc,EAAMtxD,KAAK0uE,kBAAkB5lE,EAAK6lE,EAAY58D,GACpDzP,IAAOrB,IAAP,mCAA8C6H,GAC9C,IAAMkmE,EAAYhvE,KAAK+uE,iCAAiCb,EAAcS,GACtErd,EAAIO,KAAKmd,GACT,MAAO3sE,GACPC,IAAOlB,MAAP,mCAAgDiB,GAChDrC,KAAK06B,IAAIjoB,QAAQC,IAAMnN,MAAO,CAC5BhE,KAAMsE,IAAWsoE,iBACjBv7D,QAAS9M,IAAa+oE,kCACtB/7D,OAAO,M,EAKb6pC,gBAAA,SAAiBt2C,GACf,GAAKrG,KAAKurE,YAAV,CAIA,IAAMrpC,EAAQ77B,EAAK67B,MAGnBliC,KAAK2rE,OAASzpC,EAEdA,EAAMhI,iBAAiB,YAAal6B,KAAK8rE,qB,EAG3CmD,gBAAA,WACMjvE,KAAK2rE,SACP3rE,KAAK2rE,OAAOl8B,oBAAoB,YAAazvC,KAAK8rE,mBAClD9rE,KAAK2rE,OAAS,O,EAKlBzuB,iBAAA,SAAkB72C,GAChB,GAAKrG,KAAKurE,YAAV,CAIA,IAAMmB,EAAcrmE,EAAK66B,OAAOrL,KAAI,SAACkH,GAAD,OAAWA,EAAM5mB,cAC/Cw2D,EAActmE,EAAK66B,OAAOrL,KAAI,SAACkH,GAAD,OAAWA,EAAM1kB,cAErDrY,KAAKysE,wBAAwBrC,GAAWoC,SAAUE,EAAaC,K,0DAvW/D,IAAK3sE,KAAKwrE,6BACR,MAAM,IAAI1gE,MAAM,sDAGlB,OAAO9K,KAAKwrE,kC,gCA9EY/wC,G,yHCqFrB,IAAMy0C,G,uUAA8B,CAAH,CACtClyB,eAAe,EACf9E,eAAgB,EAChB6H,uBAAmB,EACnB/+C,OAAO,EACPyuD,mBAAmB,EACnB1B,sBAAsB,EACtB/T,wBAAyB,EACzBJ,gBAAiB,GACjBD,cAAe,IACf5oB,cAAe,GAEfo+C,wBAAyB,GACzBv5B,yBAA0B,EAC1BO,YAAa,GACbD,cAAe,EACfzH,uBAAwB,IACxB8J,sBAAuB,EACvBiC,4BAA6B9rB,IAC7B4pB,sBAAkB,EAClBiC,4BAAwB,EACxByS,sBAAsB,EACtBN,qBAAsBh+B,IACtBmrB,mBAAoB,IACpB7K,cAAc,EACdl9B,mBAAmB,EACnBs0B,uBAAwB,IACxBD,wBAAyB,EACzBE,0BAA2B,IAC3BC,+BAAgC,KAChCyS,gBAAY,EACZxS,oBAAqB,IACrBC,qBAAsB,EACtBC,uBAAwB,IACxBC,4BAA6B,KAC7BoD,mBAAoB,IACpBwV,oBAAqB,EACrB9U,sBAAuB,IACvBT,2BAA4B,KAC5BwP,mBAAmB,EACnBqW,2BAA4B,IAC5BY,8BAA+B,GAC/BnD,oBAAqB,EACrBpwB,OAAQ8zB,GAERtnB,aAAS,EACT1E,aAAS,EACTisB,cAAU,EACVmb,qBAAiB,EAEjBiD,cAAelpB,GACfmpB,iBAAkBjmB,GAClBkmB,mBAAoB1hB,GACpB2hB,cAAehgB,GACfz+B,wBAAwB,EACxBmB,oBAAqB,EACrB9N,8BAA8B,EAC9BuiC,gBAAiB,EACjBC,gBAAiB,EACjBC,eAAgB,EAChBC,eAAgB,EAChBC,uBAAwB,IACxBkC,mBAAoB,IACpBC,qBAAsB,GACtBvB,uBAAuB,EACvBwB,mBAAoB,EACpBC,gBAAiB,EACjBqmB,eAAgB,EAChBpD,YAAY,EACZF,wBAAoB,EACpBG,gCAAiClB,IAYnC,WACM,EAKJ,MAAO,CACL1E,WAAYP,EACZa,sBAAsB,EACtBe,cAAc,EACdpB,wBAAyB,UACzBE,+BAAgC,KAChCC,wBAAyB,UACzBC,+BAAgC,MAtB/B2I,GAzEmC,CA0EtCC,yBAAgDrF,GAChDsF,wBAA+CxG,GAC/CzF,mBAA0CsC,GAC1C4J,sBAA6Crc,GAC7Csc,qBAA4C1d,GAC5C2d,cAAmC1E,K,qgBCxNhB2E,G,oBA4EnB,WAAaC,GAAqC,eAArCA,MAAiC,KAC5C,sBA3EKz+D,YA0E2C,IAxE1C0+D,uBAwE0C,IAvE1Cb,mBAuE0C,IAtE1CE,wBAsE0C,IArE1CY,qBAqE0C,IApE1CxhB,sBAoE0C,IAnE1CyhB,wBAmE0C,IAlE1CN,0BAkE0C,IAjE1CF,6BAiE0C,IAhE1CG,mBAgE0C,IA/D1CM,oBA+D0C,IA9D1CluC,MAAiC,KA8DS,EA7D1Cp5B,IAAqB,KAgE3B,IAAMunE,EAAgBN,EAAIO,cAE1B,IAAKN,EAAWz3B,uBAAyBy3B,EAAWx1B,+BAAiCw1B,EAAW13B,kBAAoB03B,EAAWz1B,wBAC7H,MAAM,IAAIzvC,MAAM,qIAIlB,EAAKyG,O,uUAAL,IACK8+D,EACAL,GAZ2C,IAexCz+D,EAfwC,MAexCA,OAER,QAA2C,IAAvCA,EAAOipC,6BAA0CjpC,EAAOipC,6BAA+BjpC,EAAOgnC,sBAChG,MAAM,IAAIztC,MAAM,2FAGlB,QAAsC,IAAlCyG,EAAOgpC,8BAAkE,IAA5BhpC,EAAO+mC,kBAA+B/mC,EAAOgpC,wBAA0BhpC,EAAO+mC,kBAC7H,MAAM,IAAIxtC,MAAM,iFAGlB9I,YAAWuP,EAAOvQ,OAElB,EAAKivE,mBAAqB,EAO1B,IAAMb,EAAgB,EAAKA,cAAgB,IAAI79D,EAAO69D,cAAX,OACrCC,EAAmB,IAAI99D,EAAO89D,iBAAX,OACnBC,EAAqB,EAAKA,mBAAqB,IAAI/9D,EAAO+9D,mBAAX,OAC/CC,EAAgB,IAAIh+D,EAAOg+D,cAAX,OAChBgB,EAAiB,IAAIpsC,EAAJ,OACjBqsC,EAAiB,IAAInnC,EAAJ,OACjBonC,EAAY,IAAIrmC,EAAJ,OACZsmC,EAAqB,IAAIltB,GAAJ,OAOrB0sB,EAAkB,EAAKA,gBAAkB,IAAI9vB,GAAJ,OAGzChM,EAAkB,IAAIxJ,EAAJ,OAOpBulC,EAAqB,CAACD,EAFD,EAAKxhB,iBAAmB,IAAIlW,GAAJ,MAA2BpE,IAQxEu8B,EAAap/D,EAAOq+D,sBACpBe,GACFR,EAAmBvoE,KAAK,IAAI+oE,EAAJ,MAAqBv8B,IAM/C,EAAK+7B,mBAAqBA,EAK1B,IAAMC,EAAiB,CACrBG,EACAC,EACAC,EACArB,EACAC,EACAC,EACAC,EACAmB,EACAt8B,GAKF,GADAu8B,EAAap/D,EAAOs+D,qBACJ,CACd,IAAMA,EAAuB,IAAIc,EAAJ,OAK7B,EAAKd,qBAAuBA,EAC5BO,EAAexoE,KAAKioE,GAItB,GADAc,EAAap/D,EAAOo+D,wBACJ,CACd,IAAMA,EAA0B,IAAIgB,EAAJ,OAKhC,EAAKhB,wBAA0BA,EAC/BQ,EAAmBvoE,KAAK+nE,GAI1B,GADAgB,EAAap/D,EAAOu+D,cACJ,CACd,IAAMA,EAAgB,IAAIa,EAAJ,OAKtB,EAAKb,cAAgBA,EACrBM,EAAexoE,KAAKkoE,GAxH0B,OA4HhDa,EAAap/D,EAAOm+D,2BAElBS,EAAmBvoE,KAAK,IAAI+oE,EAAJ,MAAqBv8B,KAE/Cu8B,EAAap/D,EAAOmyD,qBAElB0M,EAAexoE,KAAK,IAAI+oE,EAAJ,QAMtB,EAAKP,eAAiBA,EAxI0B,E,yFAjD3CQ,YAAP,WACE,OCvDG,WACL,IAAM7mB,EAAcpb,IACpB,IAAKob,EACH,OAAO,EAET,IAAMM,EAAergD,KAAK6mE,cAAiB7mE,KAAa8mE,mBAClD9wC,EAAkB+pB,GACiB,mBAAhCA,EAAY/pB,iBACnB+pB,EAAY/pB,gBAAgB,6CAIxB+wC,GAAwB1mB,GAC3BA,EAAa7pD,WACmC,mBAAxC6pD,EAAa7pD,UAAU0sD,cACW,mBAAlC7C,EAAa7pD,UAAUmtD,OAClC,QAAS3tB,KAAqB+wC,EDuCrBH,I,yEAOP,OAAOruE,M,iCAOP,OAAOsD,M,mCAOP,OAAOC,M,oCAOP,OAAKiqE,EAAIM,cAIFN,EAAIM,cAHFnB,I,aASemB,GACxBN,EAAIM,cAAgBA,M,2BAuJtBl/D,QAAA,WACE7O,IAAOrB,IAAI,WACXjB,KAAKyS,QAAQlQ,IAAUiD,YACvBxF,KAAKgxE,cACLhxE,KAAKowE,eAAe77D,OAAOvU,KAAKmwE,oBAAoBhuE,SAAQ,SAAA8uE,GAC1DA,EAAU9/D,aAEZnR,KAAK8I,IAAM,KACX9I,KAAKwV,qBACLxV,KAAKiwE,mBAAqB,G,EAO5BiB,YAAA,SAAahvC,GACX5/B,IAAOrB,IAAI,eACXjB,KAAKkiC,MAAQA,EACbliC,KAAKyS,QAAQlQ,IAAUC,gBAAiB,CAAE0/B,MAAOA,K,EAMnD8uC,YAAA,WACE1uE,IAAOrB,IAAI,eACXjB,KAAKyS,QAAQlQ,IAAUG,iBACvB1C,KAAKkiC,MAAQ,M,EAOfivC,WAAA,SAAYroE,GACVA,EAAMuB,mBAA4BN,OAAOqnE,SAASC,KAAMvoE,EAAK,CAAE6B,iBAAiB,IAChFrI,IAAOrB,IAAP,cAAyB6H,GACzB9I,KAAK8I,IAAMA,EAEX9I,KAAKyS,QAAQlQ,IAAUa,iBAAkB,CAAE0F,IAAKA,K,EAUlDwuC,UAAA,SAAWY,QAA4B,IAA5BA,OAAyB,GAClC51C,IAAOrB,IAAP,aAAwBi3C,EAAxB,KACAl4C,KAAKmwE,mBAAmBhuE,SAAQ,SAAAmvE,GAC9BA,EAAWh6B,UAAUY,O,EAOzBX,SAAA,WACEj1C,IAAOrB,IAAI,YACXjB,KAAKmwE,mBAAmBhuE,SAAQ,SAAAmvE,GAC9BA,EAAW/5B,e,EAOfuI,eAAA,WACEx9C,IAAOrB,IAAI,kBACXjB,KAAK0uD,iBAAiB5O,kB,EASxByxB,kBAAA,WACEjvE,IAAOrB,IAAI,qBACX,IAAIihC,EAAQliC,KAAKkiC,MACjBliC,KAAKgxE,cACD9uC,GACFliC,KAAKkxE,YAAYhvC,I,mCASnB,OAAOliC,KAAKkwE,gBAAgBhvC,S,mCAQ5B,OAAOlhC,KAAK0uD,iBAAiB9Q,c,aASbgE,GAChBt/C,IAAOrB,IAAP,oBAA+B2gD,GAC/B5hD,KAAK6gD,UAAYe,EACjB5hD,KAAK0uD,iBAAiBhT,yB,gCAQtB,OAAO17C,KAAK0uD,iBAAiBpS,W,aAShBsF,GACbt/C,IAAOrB,IAAP,iBAA4B2gD,GAC5B5hD,KAAKkwE,gBAAgBsB,YAAc5vB,EACnC5hD,KAAK0uD,iBAAiBxS,oB,gCAQtB,OAAOl8C,KAAKkwE,gBAAgBnzC,O,aASf6kB,GACbt/C,IAAOrB,IAAP,iBAA4B2gD,GAC5B5hD,KAAKkwE,gBAAgBsB,YAAc5vB,I,oCAQnC,OAAO5hD,KAAKkwE,gBAAgBl3B,e,aAQXjc,GACjB/8B,KAAKkwE,gBAAgBl3B,cAAgBjc,I,iCASrC,OAAO10B,KAAKslB,IAAI3tB,KAAKkwE,gBAAgB1uB,WAAYxhD,KAAK+mD,e,aAOxCnF,GACdt/C,IAAOrB,IAAP,kBAA6B2gD,GAC7B5hD,KAAKkwE,gBAAgB1uB,WAAaI,I,iCAWlC,OAAO5hD,KAAKkwE,gBAAgBn3B,Y,aAUd6I,GACdt/C,IAAOrB,IAAP,kBAA6B2gD,IAEX,IAAdA,IACFA,EAAWv5C,KAAKslB,IAAIi0B,EAAU5hD,KAAK+mD,eAGrC/mD,KAAKkwE,gBAAgBn3B,WAAa6I,I,yCAQV6vB,GACxB,IAAMC,IAA4BD,EAE9BC,IAA4B1xE,KAAKuR,OAAOw8C,uBACtC2jB,EACF1xE,KAAKsvE,mBAAmBjhB,gBAExBruD,KAAKsvE,mBAAmBthB,cACxBhuD,KAAK6tD,kBAAoB,EACzB7tD,KAAK0uD,iBAAiBxS,mBAGxBl8C,KAAKuR,OAAOw8C,qBAAuB2jB,K,uCASrC,OAAO1xE,KAAKiwE,mB,aAgBQruB,GACpBt/C,IAAOrB,IAAP,wBAAmC2gD,GACnC5hD,KAAKiwE,kBAAoBruB,I,wCAVzB,IAAM+G,EAAc3oD,KAAKovE,cAAc/oB,aACvC,OAAOsC,EAAcA,EAAYzD,cAAgBysB,M,uCAiBjD,OAA8C,IAAtC3xE,KAAKkwE,gBAAgBsB,c,kCAQ7B,OAAOxxE,KAAKkwE,gBAAgBsB,c,mCAW5B,IAJ0B,IAClBtwC,EAAuClhC,KAAvCkhC,OAAkBsuC,EAAqBxvE,KAA/BuR,OAAUi+D,eACpB7lE,EAAMu3B,EAASA,EAAO36B,OAAS,EAE5BU,EAAI,EAAGA,EAAI0C,EAAK1C,IAAK,CAK5B,IAJyBi6B,EAAOj6B,GAAGmgD,YAC/B/+C,KAAKslB,IAAIuT,EAAOj6B,GAAGmgD,YAAalmB,EAAOj6B,GAAG06B,SAC1CT,EAAOj6B,GAAG06B,SAES6tC,EACrB,OAAOvoE,EAIX,OAAO,I,mCAOmB,IAClBi6B,EAA6BlhC,KAA7BkhC,OAAQ2sB,EAAqB7tD,KAArB6tD,iBAShB,OAN0B,IAAtBA,GAA2B3sB,GAAUA,EAAO36B,OAC/B26B,EAAO36B,OAAS,EAEhBsnD,I,oCAYjB,OAAOxlD,KAAK0S,IAAI1S,KAAKslB,IAAI3tB,KAAKovE,cAAc/sB,cAAeriD,KAAK+mD,cAAe/mD,KAAKmoD,e,aAWnE7L,GACjBt8C,KAAKovE,cAAc/sB,cAAgBh6C,KAAKslB,IAAI3tB,KAAK+mD,aAAczK,K,kCAQ/D,IAAMuzB,EAAuB7vE,KAAK6vE,qBAClC,OAAOA,EAAuBA,EAAqBjoC,YAAc,K,iCAQjE,IAAMioC,EAAuB7vE,KAAK6vE,qBAClC,OAAOA,EAAuBA,EAAqB7uD,YAAc,G,aAOnD4wD,GACd,IAAM/B,EAAuB7vE,KAAK6vE,qBAC9BA,IACFA,EAAqB7uD,WAAa4wD,K,uCAQpC,OAAO5xE,KAAK0uD,iBAAiBjU,mB,qCAS7B,IAAMk1B,EAA0B3vE,KAAK2vE,wBACrC,OAAOA,EAA0BA,EAAwBhG,eAAiB,K,oCAQ1E,IAAMgG,EAA0B3vE,KAAK2vE,wBACrC,OAAOA,EAA0BA,EAAwBrG,eAAiB,G,aAOzDa,GACjB,IAAMwF,EAA0B3vE,KAAK2vE,wBACjCA,IACFA,EAAwBrG,cAAgBa,K,sCAQ1C,IAAMwF,EAA0B3vE,KAAK2vE,wBACrC,QAAOA,GAA0BA,EAAwB3H,iB,aAOtC5nE,GACnB,IAAMuvE,EAA0B3vE,KAAK2vE,wBACjCA,IACFA,EAAwB3H,gBAAkB5nE,O,GAjoBfyuC,GAAZkhC,GACLM,mB","file":"hls.min.js","sourcesContent":["(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"Hls\"] = factory();\n\telse\n\t\troot[\"Hls\"] = factory();\n})(this, function() {\nreturn "," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId]) {\n \t\t\treturn installedModules[moduleId].exports;\n \t\t}\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\ti: moduleId,\n \t\t\tl: false,\n \t\t\texports: {}\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, { enumerable: true, get: getter });\n \t\t}\n \t};\n\n \t// define __esModule on exports\n \t__webpack_require__.r = function(exports) {\n \t\tif(typeof Symbol !== 'undefined' && Symbol.toStringTag) {\n \t\t\tObject.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });\n \t\t}\n \t\tObject.defineProperty(exports, '__esModule', { value: true });\n \t};\n\n \t// create a fake namespace object\n \t// mode & 1: value is a module id, require it\n \t// mode & 2: merge all properties of value into the ns\n \t// mode & 4: return value when already ns object\n \t// mode & 8|1: behave like require\n \t__webpack_require__.t = function(value, mode) {\n \t\tif(mode & 1) value = __webpack_require__(value);\n \t\tif(mode & 8) return value;\n \t\tif((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;\n \t\tvar ns = Object.create(null);\n \t\t__webpack_require__.r(ns);\n \t\tObject.defineProperty(ns, 'default', { enumerable: true, value: value });\n \t\tif(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));\n \t\treturn ns;\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"/dist/\";\n\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = 13);\n","import { getSelfScope } from './get-self-scope';\n\nfunction noop (...args) {}\n\nconst fakeLogger = {\n trace: noop,\n debug: noop,\n log: noop,\n warn: noop,\n info: noop,\n error: noop\n};\n\nlet exportedLogger = fakeLogger;\n\n// let lastCallTime;\n// function formatMsgWithTimeInfo(type, msg) {\n// const now = Date.now();\n// const diff = lastCallTime ? '+' + (now - lastCallTime) : '0';\n// lastCallTime = now;\n// msg = (new Date(now)).toISOString() + ' | [' + type + '] > ' + msg + ' ( ' + diff + ' ms )';\n// return msg;\n// }\n\nfunction formatMsg (type, msg) {\n msg = '[' + type + '] > ' + msg;\n return msg;\n}\n\nconst global = getSelfScope();\n\nfunction consolePrintFn (type) {\n const func = global.console[type];\n if (func) {\n return function (...args) {\n if (args[0]) {\n args[0] = formatMsg(type, args[0]);\n }\n\n func.apply(global.console, args);\n };\n }\n return noop;\n}\n\nfunction exportLoggerFunctions (debugConfig, ...functions) {\n functions.forEach(function (type) {\n exportedLogger[type] = debugConfig[type] ? debugConfig[type].bind(debugConfig) : consolePrintFn(type);\n });\n}\n\nexport const enableLogs = function (debugConfig) {\n // check that console is available\n if ((global.console && debugConfig === true) || typeof debugConfig === 'object') {\n exportLoggerFunctions(debugConfig,\n // Remove out from list here to hard-disable a log-level\n // 'trace',\n 'debug',\n 'log',\n 'info',\n 'warn',\n 'error'\n );\n // Some browsers don't allow to use bind on console object anyway\n // fallback to default if needed\n try {\n exportedLogger.log();\n } catch (e) {\n exportedLogger = fakeLogger;\n }\n } else {\n exportedLogger = fakeLogger;\n }\n};\n\nexport const logger = exportedLogger;\n","/**\n * @readonly\n * @enum {string}\n */\nconst HlsEvents = {\n // fired before MediaSource is attaching to media element - data: { media }\n MEDIA_ATTACHING: 'hlsMediaAttaching',\n // fired when MediaSource has been succesfully attached to media element - data: { }\n MEDIA_ATTACHED: 'hlsMediaAttached',\n // fired before detaching MediaSource from media element - data: { }\n MEDIA_DETACHING: 'hlsMediaDetaching',\n // fired when MediaSource has been detached from media element - data: { }\n MEDIA_DETACHED: 'hlsMediaDetached',\n // fired when we buffer is going to be reset - data: { }\n BUFFER_RESET: 'hlsBufferReset',\n // fired when we know about the codecs that we need buffers for to push into - data: {tracks : { container, codec, levelCodec, initSegment, metadata }}\n BUFFER_CODECS: 'hlsBufferCodecs',\n // fired when sourcebuffers have been created - data: { tracks : tracks }\n BUFFER_CREATED: 'hlsBufferCreated',\n // fired when we append a segment to the buffer - data: { segment: segment object }\n BUFFER_APPENDING: 'hlsBufferAppending',\n // fired when we are done with appending a media segment to the buffer - data : { parent : segment parent that triggered BUFFER_APPENDING, pending : nb of segments waiting for appending for this segment parent}\n BUFFER_APPENDED: 'hlsBufferAppended',\n // fired when the stream is finished and we want to notify the media buffer that there will be no more data - data: { }\n BUFFER_EOS: 'hlsBufferEos',\n // fired when the media buffer should be flushed - data { startOffset, endOffset }\n BUFFER_FLUSHING: 'hlsBufferFlushing',\n // fired when the media buffer has been flushed - data: { }\n BUFFER_FLUSHED: 'hlsBufferFlushed',\n // fired to signal that a manifest loading starts - data: { url : manifestURL}\n MANIFEST_LOADING: 'hlsManifestLoading',\n // fired after manifest has been loaded - data: { levels : [available quality levels], audioTracks : [ available audio tracks], url : manifestURL, stats : { trequest, tfirst, tload, mtime}}\n MANIFEST_LOADED: 'hlsManifestLoaded',\n // fired after manifest has been parsed - data: { levels : [available quality levels], firstLevel : index of first quality level appearing in Manifest}\n MANIFEST_PARSED: 'hlsManifestParsed',\n // fired when a level switch is requested - data: { level : id of new level }\n LEVEL_SWITCHING: 'hlsLevelSwitching',\n // fired when a level switch is effective - data: { level : id of new level }\n LEVEL_SWITCHED: 'hlsLevelSwitched',\n // fired when a level playlist loading starts - data: { url : level URL, level : id of level being loaded}\n LEVEL_LOADING: 'hlsLevelLoading',\n // fired when a level playlist loading finishes - data: { details : levelDetails object, level : id of loaded level, stats : { trequest, tfirst, tload, mtime} }\n LEVEL_LOADED: 'hlsLevelLoaded',\n // fired when a level's details have been updated based on previous details, after it has been loaded - data: { details : levelDetails object, level : id of updated level }\n LEVEL_UPDATED: 'hlsLevelUpdated',\n // fired when a level's PTS information has been updated after parsing a fragment - data: { details : levelDetails object, level : id of updated level, drift: PTS drift observed when parsing last fragment }\n LEVEL_PTS_UPDATED: 'hlsLevelPtsUpdated',\n // fired when the live back buffer is reached defined by the liveBackBufferLength config option - data : { bufferEnd: number }\n LIVE_BACK_BUFFER_REACHED: 'hlsLiveBackBufferReached',\n // fired to notify that audio track lists has been updated - data: { audioTracks : audioTracks }\n AUDIO_TRACKS_UPDATED: 'hlsAudioTracksUpdated',\n // fired when an audio track switching is requested - data: { id : audio track id }\n AUDIO_TRACK_SWITCHING: 'hlsAudioTrackSwitching',\n // fired when an audio track switch actually occurs - data: { id : audio track id }\n AUDIO_TRACK_SWITCHED: 'hlsAudioTrackSwitched',\n // fired when an audio track loading starts - data: { url : audio track URL, id : audio track id }\n AUDIO_TRACK_LOADING: 'hlsAudioTrackLoading',\n // fired when an audio track loading finishes - data: { details : levelDetails object, id : audio track id, stats : { trequest, tfirst, tload, mtime } }\n AUDIO_TRACK_LOADED: 'hlsAudioTrackLoaded',\n // fired to notify that subtitle track lists has been updated - data: { subtitleTracks : subtitleTracks }\n SUBTITLE_TRACKS_UPDATED: 'hlsSubtitleTracksUpdated',\n // fired when an subtitle track switch occurs - data: { id : subtitle track id }\n SUBTITLE_TRACK_SWITCH: 'hlsSubtitleTrackSwitch',\n // fired when a subtitle track loading starts - data: { url : subtitle track URL, id : subtitle track id }\n SUBTITLE_TRACK_LOADING: 'hlsSubtitleTrackLoading',\n // fired when a subtitle track loading finishes - data: { details : levelDetails object, id : subtitle track id, stats : { trequest, tfirst, tload, mtime } }\n SUBTITLE_TRACK_LOADED: 'hlsSubtitleTrackLoaded',\n // fired when a subtitle fragment has been processed - data: { success : boolean, frag : the processed frag }\n SUBTITLE_FRAG_PROCESSED: 'hlsSubtitleFragProcessed',\n // fired when the first timestamp is found - data: { id : demuxer id, initPTS: initPTS, frag : fragment object }\n INIT_PTS_FOUND: 'hlsInitPtsFound',\n // fired when a fragment loading starts - data: { frag : fragment object }\n FRAG_LOADING: 'hlsFragLoading',\n // fired when a fragment loading is progressing - data: { frag : fragment object, { trequest, tfirst, loaded } }\n FRAG_LOAD_PROGRESS: 'hlsFragLoadProgress',\n // Identifier for fragment load aborting for emergency switch down - data: { frag : fragment object }\n FRAG_LOAD_EMERGENCY_ABORTED: 'hlsFragLoadEmergencyAborted',\n // fired when a fragment loading is completed - data: { frag : fragment object, payload : fragment payload, stats : { trequest, tfirst, tload, length } }\n FRAG_LOADED: 'hlsFragLoaded',\n // fired when a fragment has finished decrypting - data: { id : demuxer id, frag: fragment object, payload : fragment payload, stats : { tstart, tdecrypt } }\n FRAG_DECRYPTED: 'hlsFragDecrypted',\n // fired when Init Segment has been extracted from fragment - data: { id : demuxer id, frag: fragment object, moov : moov MP4 box, codecs : codecs found while parsing fragment }\n FRAG_PARSING_INIT_SEGMENT: 'hlsFragParsingInitSegment',\n // fired when parsing sei text is completed - data: { id : demuxer id, frag: fragment object, samples : [ sei samples pes ] }\n FRAG_PARSING_USERDATA: 'hlsFragParsingUserdata',\n // fired when parsing id3 is completed - data: { id : demuxer id, frag: fragment object, samples : [ id3 samples pes ] }\n FRAG_PARSING_METADATA: 'hlsFragParsingMetadata',\n // fired when data have been extracted from fragment - data: { id : demuxer id, frag: fragment object, data1 : moof MP4 box or TS fragments, data2 : mdat MP4 box or null}\n FRAG_PARSING_DATA: 'hlsFragParsingData',\n // fired when fragment parsing is completed - data: { id : demuxer id, frag: fragment object }\n FRAG_PARSED: 'hlsFragParsed',\n // fired when fragment remuxed MP4 boxes have all been appended into SourceBuffer - data: { id : demuxer id, frag : fragment object, stats : { trequest, tfirst, tload, tparsed, tbuffered, length, bwEstimate } }\n FRAG_BUFFERED: 'hlsFragBuffered',\n // fired when fragment matching with current media position is changing - data : { id : demuxer id, frag : fragment object }\n FRAG_CHANGED: 'hlsFragChanged',\n // Identifier for a FPS drop event - data: { curentDropped, currentDecoded, totalDroppedFrames }\n FPS_DROP: 'hlsFpsDrop',\n // triggered when FPS drop triggers auto level capping - data: { level, droppedlevel }\n FPS_DROP_LEVEL_CAPPING: 'hlsFpsDropLevelCapping',\n // Identifier for an error event - data: { type : error type, details : error details, fatal : if true, hls.js cannot/will not try to recover, if false, hls.js will try to recover,other error specific data }\n ERROR: 'hlsError',\n // fired when hls.js instance starts destroying. Different from MEDIA_DETACHED as one could want to detach and reattach a media to the instance of hls.js to handle mid-rolls for example - data: { }\n DESTROYING: 'hlsDestroying',\n // fired when a decrypt key loading starts - data: { frag : fragment object }\n KEY_LOADING: 'hlsKeyLoading',\n // fired when a decrypt key loading is completed - data: { frag : fragment object, payload : key payload, stats : { trequest, tfirst, tload, length } }\n KEY_LOADED: 'hlsKeyLoaded',\n // fired upon stream controller state transitions - data: { previousState, nextState }\n STREAM_STATE_TRANSITION: 'hlsStreamStateTransition',\n // fired when the live back buffer is reached defined by the liveBackBufferLength config option - data : { bufferEnd: number }\n LIVE_BACK_BUFFER_REACHED: 'hlsLiveBackBufferReached',\n // fired when `seeked` event happens, not fired if current position is outside of the buffered range and config option `seekWithinTolerance` is true\n CAN_PLAY_AFTER_SEEK: 'hlsCanPlayAfterSeek',\n};\n\nexport default HlsEvents;\n","export enum ErrorTypes {\n // Identifier for a network error (loading error / timeout ...)\n NETWORK_ERROR = 'networkError',\n // Identifier for a media Error (video/parsing/mediasource error)\n MEDIA_ERROR = 'mediaError',\n // EME (encrypted media extensions) errors\n KEY_SYSTEM_ERROR = 'keySystemError',\n // Identifier for a mux Error (demuxing/remuxing)\n MUX_ERROR = 'muxError',\n // Identifier for all other errors\n OTHER_ERROR = 'otherError'\n}\n\n/**\n * @enum {ErrorDetails}\n * @typedef {string} ErrorDetail\n */\nexport enum ErrorDetails {\n KEY_SYSTEM_NO_KEYS = 'keySystemNoKeys',\n KEY_SYSTEM_NO_ACCESS = 'keySystemNoAccess',\n KEY_SYSTEM_NO_SESSION = 'keySystemNoSession',\n KEY_SYSTEM_LICENSE_REQUEST_FAILED = 'keySystemLicenseRequestFailed',\n KEY_SYSTEM_NO_INIT_DATA = 'keySystemNoInitData',\n // Identifier for a manifest load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n MANIFEST_LOAD_ERROR = 'manifestLoadError',\n // Identifier for a manifest load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n MANIFEST_LOAD_TIMEOUT = 'manifestLoadTimeOut',\n // Identifier for a manifest parsing error - data: { url : faulty URL, reason : error reason}\n MANIFEST_PARSING_ERROR = 'manifestParsingError',\n // Identifier for a manifest with only incompatible codecs error - data: { url : faulty URL, reason : error reason}\n MANIFEST_INCOMPATIBLE_CODECS_ERROR = 'manifestIncompatibleCodecsError',\n // Identifier for a level load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n LEVEL_LOAD_ERROR = 'levelLoadError',\n // Identifier for a level load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n LEVEL_LOAD_TIMEOUT = 'levelLoadTimeOut',\n // Identifier for a level switch error - data: { level : faulty level Id, event : error description}\n LEVEL_SWITCH_ERROR = 'levelSwitchError',\n // Identifier for an audio track load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n AUDIO_TRACK_LOAD_ERROR = 'audioTrackLoadError',\n // Identifier for an audio track load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n AUDIO_TRACK_LOAD_TIMEOUT = 'audioTrackLoadTimeOut',\n // Identifier for fragment load error - data: { frag : fragment object, response : { code: error code, text: error text }}\n FRAG_LOAD_ERROR = 'fragLoadError',\n // Identifier for fragment load timeout error - data: { frag : fragment object}\n FRAG_LOAD_TIMEOUT = 'fragLoadTimeOut',\n // Identifier for a fragment decryption error event - data: {id : demuxer Id,frag: fragment object, reason : parsing error description }\n FRAG_DECRYPT_ERROR = 'fragDecryptError',\n // Identifier for a fragment parsing error event - data: { id : demuxer Id, reason : parsing error description }\n // will be renamed DEMUX_PARSING_ERROR and switched to MUX_ERROR in the next major release\n FRAG_PARSING_ERROR = 'fragParsingError',\n // Identifier for a remux alloc error event - data: { id : demuxer Id, frag : fragment object, bytes : nb of bytes on which allocation failed , reason : error text }\n REMUX_ALLOC_ERROR = 'remuxAllocError',\n // Identifier for decrypt key load error - data: { frag : fragment object, response : { code: error code, text: error text }}\n KEY_LOAD_ERROR = 'keyLoadError',\n // Identifier for decrypt key load timeout error - data: { frag : fragment object}\n KEY_LOAD_TIMEOUT = 'keyLoadTimeOut',\n // Triggered when an exception occurs while adding a sourceBuffer to MediaSource - data : { err : exception , mimeType : mimeType }\n BUFFER_ADD_CODEC_ERROR = 'bufferAddCodecError',\n // Identifier for a buffer append error - data: append error description\n BUFFER_APPEND_ERROR = 'bufferAppendError',\n // Identifier for a buffer appending error event - data: appending error description\n BUFFER_APPENDING_ERROR = 'bufferAppendingError',\n // Identifier for a buffer stalled error event\n BUFFER_STALLED_ERROR = 'bufferStalledError',\n // Identifier for a buffer full event\n BUFFER_FULL_ERROR = 'bufferFullError',\n // Identifier for a buffer seek over hole event\n BUFFER_SEEK_OVER_HOLE = 'bufferSeekOverHole',\n // Identifier for a buffer nudge on stall (playback is stuck although currentTime is in a buffered area)\n BUFFER_NUDGE_ON_STALL = 'bufferNudgeOnStall',\n // Identifier for an internal exception happening inside hls.js while handling an event\n INTERNAL_EXCEPTION = 'internalException'\n}\n","export const isFiniteNumber = Number.isFinite || function (value) {\n return typeof value === 'number' && isFinite(value);\n};\n","import { getSelfScope } from '../utils/get-self-scope';\n\n/**\n * ID3 parser\n */\nclass ID3 {\n /**\n * Returns true if an ID3 header can be found at offset in data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {boolean} - True if an ID3 header is found\n */\n static isHeader (data, offset) {\n /*\n * http://id3.org/id3v2.3.0\n * [0] = 'I'\n * [1] = 'D'\n * [2] = '3'\n * [3,4] = {Version}\n * [5] = {Flags}\n * [6-9] = {ID3 Size}\n *\n * An ID3v2 tag can be detected with the following pattern:\n * $49 44 33 yy yy xx zz zz zz zz\n * Where yy is less than $FF, xx is the 'flags' byte and zz is less than $80\n */\n if (offset + 10 <= data.length) {\n // look for 'ID3' identifier\n if (data[offset] === 0x49 && data[offset + 1] === 0x44 && data[offset + 2] === 0x33) {\n // check version is within range\n if (data[offset + 3] < 0xFF && data[offset + 4] < 0xFF) {\n // check size is within range\n if (data[offset + 6] < 0x80 && data[offset + 7] < 0x80 && data[offset + 8] < 0x80 && data[offset + 9] < 0x80) {\n return true;\n }\n }\n }\n }\n\n return false;\n }\n\n /**\n * Returns true if an ID3 footer can be found at offset in data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {boolean} - True if an ID3 footer is found\n */\n static isFooter (data, offset) {\n /*\n * The footer is a copy of the header, but with a different identifier\n */\n if (offset + 10 <= data.length) {\n // look for '3DI' identifier\n if (data[offset] === 0x33 && data[offset + 1] === 0x44 && data[offset + 2] === 0x49) {\n // check version is within range\n if (data[offset + 3] < 0xFF && data[offset + 4] < 0xFF) {\n // check size is within range\n if (data[offset + 6] < 0x80 && data[offset + 7] < 0x80 && data[offset + 8] < 0x80 && data[offset + 9] < 0x80) {\n return true;\n }\n }\n }\n }\n\n return false;\n }\n\n /**\n * Returns any adjacent ID3 tags found in data starting at offset, as one block of data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {Uint8Array} - The block of data containing any ID3 tags found\n */\n static getID3Data (data, offset) {\n const front = offset;\n let length = 0;\n\n while (ID3.isHeader(data, offset)) {\n // ID3 header is 10 bytes\n length += 10;\n\n const size = ID3._readSize(data, offset + 6);\n length += size;\n\n if (ID3.isFooter(data, offset + 10)) {\n // ID3 footer is 10 bytes\n length += 10;\n }\n\n offset += length;\n }\n\n if (length > 0) {\n return data.subarray(front, front + length);\n }\n\n return undefined;\n }\n\n static _readSize (data, offset) {\n let size = 0;\n size = ((data[offset] & 0x7f) << 21);\n size |= ((data[offset + 1] & 0x7f) << 14);\n size |= ((data[offset + 2] & 0x7f) << 7);\n size |= (data[offset + 3] & 0x7f);\n return size;\n }\n\n /**\n * Searches for the Elementary Stream timestamp found in the ID3 data chunk\n * @param {Uint8Array} data - Block of data containing one or more ID3 tags\n * @return {number} - The timestamp\n */\n static getTimeStamp (data) {\n const frames = ID3.getID3Frames(data);\n for (let i = 0; i < frames.length; i++) {\n const frame = frames[i];\n if (ID3.isTimeStampFrame(frame)) {\n return ID3._readTimeStamp(frame);\n }\n }\n\n return undefined;\n }\n\n /**\n * Returns true if the ID3 frame is an Elementary Stream timestamp frame\n * @param {ID3 frame} frame\n */\n static isTimeStampFrame (frame) {\n return (frame && frame.key === 'PRIV' && frame.info === 'com.apple.streaming.transportStreamTimestamp');\n }\n\n static _getFrameData (data) {\n /*\n Frame ID $xx xx xx xx (four characters)\n Size $xx xx xx xx\n Flags $xx xx\n */\n const type = String.fromCharCode(data[0], data[1], data[2], data[3]);\n const size = ID3._readSize(data, 4);\n\n // skip frame id, size, and flags\n let offset = 10;\n\n return { type, size, data: data.subarray(offset, offset + size) };\n }\n\n /**\n * Returns an array of ID3 frames found in all the ID3 tags in the id3Data\n * @param {Uint8Array} id3Data - The ID3 data containing one or more ID3 tags\n * @return {ID3 frame[]} - Array of ID3 frame objects\n */\n static getID3Frames (id3Data) {\n let offset = 0;\n const frames = [];\n\n while (ID3.isHeader(id3Data, offset)) {\n const size = ID3._readSize(id3Data, offset + 6);\n // skip past ID3 header\n offset += 10;\n const end = offset + size;\n // loop through frames in the ID3 tag\n while (offset + 8 < end) {\n const frameData = ID3._getFrameData(id3Data.subarray(offset));\n const frame = ID3._decodeFrame(frameData);\n if (frame) {\n frames.push(frame);\n }\n\n // skip frame header and frame data\n offset += frameData.size + 10;\n }\n\n if (ID3.isFooter(id3Data, offset)) {\n offset += 10;\n }\n }\n\n return frames;\n }\n\n static _decodeFrame (frame) {\n if (frame.type === 'PRIV') {\n return ID3._decodePrivFrame(frame);\n } else if (frame.type[0] === 'T') {\n return ID3._decodeTextFrame(frame);\n } else if (frame.type[0] === 'W') {\n return ID3._decodeURLFrame(frame);\n }\n\n return undefined;\n }\n\n static _readTimeStamp (timeStampFrame) {\n if (timeStampFrame.data.byteLength === 8) {\n const data = new Uint8Array(timeStampFrame.data);\n // timestamp is 33 bit expressed as a big-endian eight-octet number,\n // with the upper 31 bits set to zero.\n const pts33Bit = data[3] & 0x1;\n let timestamp = (data[4] << 23) +\n (data[5] << 15) +\n (data[6] << 7) +\n data[7];\n timestamp /= 45;\n\n if (pts33Bit) {\n timestamp += 47721858.84;\n } // 2^32 / 90\n\n return Math.round(timestamp);\n }\n\n return undefined;\n }\n\n static _decodePrivFrame (frame) {\n /*\n Format: <text string>\\0<binary data>\n */\n if (frame.size < 2) {\n return undefined;\n }\n\n const owner = ID3._utf8ArrayToStr(frame.data, true);\n const privateData = new Uint8Array(frame.data.subarray(owner.length + 1));\n\n return { key: frame.type, info: owner, data: privateData.buffer };\n }\n\n static _decodeTextFrame (frame) {\n if (frame.size < 2) {\n return undefined;\n }\n\n if (frame.type === 'TXXX') {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Description}\\0{Value}\n */\n let index = 1;\n const description = ID3._utf8ArrayToStr(frame.data.subarray(index), true);\n\n index += description.length + 1;\n const value = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n return { key: frame.type, info: description, data: value };\n } else {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Value}\n */\n const text = ID3._utf8ArrayToStr(frame.data.subarray(1));\n return { key: frame.type, data: text };\n }\n }\n\n static _decodeURLFrame (frame) {\n if (frame.type === 'WXXX') {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Description}\\0{URL}\n */\n if (frame.size < 2) {\n return undefined;\n }\n\n let index = 1;\n const description = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n index += description.length + 1;\n const value = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n return { key: frame.type, info: description, data: value };\n } else {\n /*\n Format:\n [0-?] = {URL}\n */\n const url = ID3._utf8ArrayToStr(frame.data);\n return { key: frame.type, data: url };\n }\n }\n\n // http://stackoverflow.com/questions/8936984/uint8array-to-string-in-javascript/22373197\n // http://www.onicos.com/staff/iz/amuse/javascript/expert/utf.txt\n /* utf.js - UTF-8 <=> UTF-16 convertion\n *\n * Copyright (C) 1999 Masanao Izumo <iz@onicos.co.jp>\n * Version: 1.0\n * LastModified: Dec 25 1999\n * This library is free. You can redistribute it and/or modify it.\n */\n static _utf8ArrayToStr (array, exitOnNull = false) {\n const decoder = getTextDecoder();\n if (decoder) {\n const decoded = decoder.decode(array);\n\n if (exitOnNull) {\n // grab up to the first null\n const idx = decoded.indexOf('\\0');\n return idx !== -1 ? decoded.substring(0, idx) : decoded;\n }\n\n // remove any null characters\n return decoded.replace(/\\0/g, '');\n }\n\n const len = array.length;\n let c;\n let char2;\n let char3;\n let out = '';\n let i = 0;\n while (i < len) {\n c = array[i++];\n if (c === 0x00 && exitOnNull) {\n return out;\n } else if (c === 0x00 || c === 0x03) {\n // If the character is 3 (END_OF_TEXT) or 0 (NULL) then skip it\n continue;\n }\n switch (c >> 4) {\n case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:\n // 0xxxxxxx\n out += String.fromCharCode(c);\n break;\n case 12: case 13:\n // 110x xxxx 10xx xxxx\n char2 = array[i++];\n out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F));\n break;\n case 14:\n // 1110 xxxx 10xx xxxx 10xx xxxx\n char2 = array[i++];\n char3 = array[i++];\n out += String.fromCharCode(((c & 0x0F) << 12) |\n ((char2 & 0x3F) << 6) |\n ((char3 & 0x3F) << 0));\n break;\n default:\n }\n }\n return out;\n }\n}\n\nlet decoder;\n\nfunction getTextDecoder () {\n const global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n if (!decoder && typeof global.TextDecoder !== 'undefined') {\n decoder = new global.TextDecoder('utf-8');\n }\n\n return decoder;\n}\n\nconst utf8ArrayToStr = ID3._utf8ArrayToStr;\n\nexport default ID3;\n\nexport { utf8ArrayToStr };\n","export function getSelfScope () {\n // see https://stackoverflow.com/a/11237259/589493\n if (typeof window === 'undefined') {\n /* eslint-disable-next-line no-undef */\n return self;\n } else {\n return window;\n }\n}\n","// see https://tools.ietf.org/html/rfc1808\n\n/* jshint ignore:start */\n(function(root) { \n/* jshint ignore:end */\n\n var URL_REGEX = /^((?:[a-zA-Z0-9+\\-.]+:)?)(\\/\\/[^\\/?#]*)?((?:[^\\/\\?#]*\\/)*.*?)??(;.*?)?(\\?.*?)?(#.*?)?$/;\n var FIRST_SEGMENT_REGEX = /^([^\\/?#]*)(.*)$/;\n var SLASH_DOT_REGEX = /(?:\\/|^)\\.(?=\\/)/g;\n var SLASH_DOT_DOT_REGEX = /(?:\\/|^)\\.\\.\\/(?!\\.\\.\\/).*?(?=\\/)/g;\n\n var URLToolkit = { // jshint ignore:line\n // If opts.alwaysNormalize is true then the path will always be normalized even when it starts with / or //\n // E.g\n // With opts.alwaysNormalize = false (default, spec compliant)\n // http://a.com/b/cd + /e/f/../g => http://a.com/e/f/../g\n // With opts.alwaysNormalize = true (not spec compliant)\n // http://a.com/b/cd + /e/f/../g => http://a.com/e/g\n buildAbsoluteURL: function(baseURL, relativeURL, opts) {\n opts = opts || {};\n // remove any remaining space and CRLF\n baseURL = baseURL.trim();\n relativeURL = relativeURL.trim();\n if (!relativeURL) {\n // 2a) If the embedded URL is entirely empty, it inherits the\n // entire base URL (i.e., is set equal to the base URL)\n // and we are done.\n if (!opts.alwaysNormalize) {\n return baseURL;\n }\n var basePartsForNormalise = URLToolkit.parseURL(baseURL);\n if (!basePartsForNormalise) {\n throw new Error('Error trying to parse base URL.');\n }\n basePartsForNormalise.path = URLToolkit.normalizePath(basePartsForNormalise.path);\n return URLToolkit.buildURLFromParts(basePartsForNormalise);\n }\n var relativeParts = URLToolkit.parseURL(relativeURL);\n if (!relativeParts) {\n throw new Error('Error trying to parse relative URL.');\n }\n if (relativeParts.scheme) {\n // 2b) If the embedded URL starts with a scheme name, it is\n // interpreted as an absolute URL and we are done.\n if (!opts.alwaysNormalize) {\n return relativeURL;\n }\n relativeParts.path = URLToolkit.normalizePath(relativeParts.path);\n return URLToolkit.buildURLFromParts(relativeParts);\n }\n var baseParts = URLToolkit.parseURL(baseURL);\n if (!baseParts) {\n throw new Error('Error trying to parse base URL.');\n }\n if (!baseParts.netLoc && baseParts.path && baseParts.path[0] !== '/') {\n // If netLoc missing and path doesn't start with '/', assume everthing before the first '/' is the netLoc\n // This causes 'example.com/a' to be handled as '//example.com/a' instead of '/example.com/a'\n var pathParts = FIRST_SEGMENT_REGEX.exec(baseParts.path);\n baseParts.netLoc = pathParts[1];\n baseParts.path = pathParts[2];\n }\n if (baseParts.netLoc && !baseParts.path) {\n baseParts.path = '/';\n }\n var builtParts = {\n // 2c) Otherwise, the embedded URL inherits the scheme of\n // the base URL.\n scheme: baseParts.scheme,\n netLoc: relativeParts.netLoc,\n path: null,\n params: relativeParts.params,\n query: relativeParts.query,\n fragment: relativeParts.fragment\n };\n if (!relativeParts.netLoc) {\n // 3) If the embedded URL's <net_loc> is non-empty, we skip to\n // Step 7. Otherwise, the embedded URL inherits the <net_loc>\n // (if any) of the base URL.\n builtParts.netLoc = baseParts.netLoc;\n // 4) If the embedded URL path is preceded by a slash \"/\", the\n // path is not relative and we skip to Step 7.\n if (relativeParts.path[0] !== '/') {\n if (!relativeParts.path) {\n // 5) If the embedded URL path is empty (and not preceded by a\n // slash), then the embedded URL inherits the base URL path\n builtParts.path = baseParts.path;\n // 5a) if the embedded URL's <params> is non-empty, we skip to\n // step 7; otherwise, it inherits the <params> of the base\n // URL (if any) and\n if (!relativeParts.params) {\n builtParts.params = baseParts.params;\n // 5b) if the embedded URL's <query> is non-empty, we skip to\n // step 7; otherwise, it inherits the <query> of the base\n // URL (if any) and we skip to step 7.\n if (!relativeParts.query) {\n builtParts.query = baseParts.query;\n }\n }\n } else {\n // 6) The last segment of the base URL's path (anything\n // following the rightmost slash \"/\", or the entire path if no\n // slash is present) is removed and the embedded URL's path is\n // appended in its place.\n var baseURLPath = baseParts.path;\n var newPath = baseURLPath.substring(0, baseURLPath.lastIndexOf('/') + 1) + relativeParts.path;\n builtParts.path = URLToolkit.normalizePath(newPath);\n }\n }\n }\n if (builtParts.path === null) {\n builtParts.path = opts.alwaysNormalize ? URLToolkit.normalizePath(relativeParts.path) : relativeParts.path;\n }\n return URLToolkit.buildURLFromParts(builtParts);\n },\n parseURL: function(url) {\n var parts = URL_REGEX.exec(url);\n if (!parts) {\n return null;\n }\n return {\n scheme: parts[1] || '',\n netLoc: parts[2] || '',\n path: parts[3] || '',\n params: parts[4] || '',\n query: parts[5] || '',\n fragment: parts[6] || ''\n };\n },\n normalizePath: function(path) {\n // The following operations are\n // then applied, in order, to the new path:\n // 6a) All occurrences of \"./\", where \".\" is a complete path\n // segment, are removed.\n // 6b) If the path ends with \".\" as a complete path segment,\n // that \".\" is removed.\n path = path.split('').reverse().join('').replace(SLASH_DOT_REGEX, '');\n // 6c) All occurrences of \"<segment>/../\", where <segment> is a\n // complete path segment not equal to \"..\", are removed.\n // Removal of these path segments is performed iteratively,\n // removing the leftmost matching pattern on each iteration,\n // until no matching pattern remains.\n // 6d) If the path ends with \"<segment>/..\", where <segment> is a\n // complete path segment not equal to \"..\", that\n // \"<segment>/..\" is removed.\n while (path.length !== (path = path.replace(SLASH_DOT_DOT_REGEX, '')).length) {} // jshint ignore:line\n return path.split('').reverse().join('');\n },\n buildURLFromParts: function(parts) {\n return parts.scheme + parts.netLoc + parts.path + parts.params + parts.query + parts.fragment;\n }\n };\n\n/* jshint ignore:start */\n if(typeof exports === 'object' && typeof module === 'object')\n module.exports = URLToolkit;\n else if(typeof define === 'function' && define.amd)\n define([], function() { return URLToolkit; });\n else if(typeof exports === 'object')\n exports[\"URLToolkit\"] = URLToolkit;\n else\n root[\"URLToolkit\"] = URLToolkit;\n})(this);\n/* jshint ignore:end */\n","export default class AESCrypto {\n constructor (subtle, iv) {\n this.subtle = subtle;\n this.aesIV = iv;\n }\n\n decrypt (data, key) {\n return this.subtle.decrypt({ name: 'AES-CBC', iv: this.aesIV }, key, data);\n }\n}\n","class FastAESKey {\n constructor (subtle, key) {\n this.subtle = subtle;\n this.key = key;\n }\n\n expandKey () {\n return this.subtle.importKey('raw', this.key, { name: 'AES-CBC' }, false, ['encrypt', 'decrypt']);\n }\n}\n\nexport default FastAESKey;\n","// PKCS7\nexport function removePadding (buffer) {\n const outputBytes = buffer.byteLength;\n const paddingBytes = outputBytes && (new DataView(buffer)).getUint8(outputBytes - 1);\n if (paddingBytes) {\n return buffer.slice(0, outputBytes - paddingBytes);\n } else {\n return buffer;\n }\n}\n\nclass AESDecryptor {\n constructor () {\n // Static after running initTable\n this.rcon = [0x0, 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36];\n this.subMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)];\n this.invSubMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)];\n this.sBox = new Uint32Array(256);\n this.invSBox = new Uint32Array(256);\n\n // Changes during runtime\n this.key = new Uint32Array(0);\n\n this.initTable();\n }\n\n // Using view.getUint32() also swaps the byte order.\n uint8ArrayToUint32Array_ (arrayBuffer) {\n let view = new DataView(arrayBuffer);\n let newArray = new Uint32Array(4);\n for (let i = 0; i < 4; i++) {\n newArray[i] = view.getUint32(i * 4);\n }\n\n return newArray;\n }\n\n initTable () {\n let sBox = this.sBox;\n let invSBox = this.invSBox;\n let subMix = this.subMix;\n let subMix0 = subMix[0];\n let subMix1 = subMix[1];\n let subMix2 = subMix[2];\n let subMix3 = subMix[3];\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let d = new Uint32Array(256);\n let x = 0;\n let xi = 0;\n let i = 0;\n for (i = 0; i < 256; i++) {\n if (i < 128) {\n d[i] = i << 1;\n } else {\n d[i] = (i << 1) ^ 0x11b;\n }\n }\n\n for (i = 0; i < 256; i++) {\n let sx = xi ^ (xi << 1) ^ (xi << 2) ^ (xi << 3) ^ (xi << 4);\n sx = (sx >>> 8) ^ (sx & 0xff) ^ 0x63;\n sBox[x] = sx;\n invSBox[sx] = x;\n\n // Compute multiplication\n let x2 = d[x];\n let x4 = d[x2];\n let x8 = d[x4];\n\n // Compute sub/invSub bytes, mix columns tables\n let t = (d[sx] * 0x101) ^ (sx * 0x1010100);\n subMix0[x] = (t << 24) | (t >>> 8);\n subMix1[x] = (t << 16) | (t >>> 16);\n subMix2[x] = (t << 8) | (t >>> 24);\n subMix3[x] = t;\n\n // Compute inv sub bytes, inv mix columns tables\n t = (x8 * 0x1010101) ^ (x4 * 0x10001) ^ (x2 * 0x101) ^ (x * 0x1010100);\n invSubMix0[sx] = (t << 24) | (t >>> 8);\n invSubMix1[sx] = (t << 16) | (t >>> 16);\n invSubMix2[sx] = (t << 8) | (t >>> 24);\n invSubMix3[sx] = t;\n\n // Compute next counter\n if (!x) {\n x = xi = 1;\n } else {\n x = x2 ^ d[d[d[x8 ^ x2]]];\n xi ^= d[d[xi]];\n }\n }\n }\n\n expandKey (keyBuffer) {\n // convert keyBuffer to Uint32Array\n let key = this.uint8ArrayToUint32Array_(keyBuffer);\n let sameKey = true;\n let offset = 0;\n\n while (offset < key.length && sameKey) {\n sameKey = (key[offset] === this.key[offset]);\n offset++;\n }\n\n if (sameKey) {\n return;\n }\n\n this.key = key;\n let keySize = this.keySize = key.length;\n\n if (keySize !== 4 && keySize !== 6 && keySize !== 8) {\n throw new Error('Invalid aes key size=' + keySize);\n }\n\n let ksRows = this.ksRows = (keySize + 6 + 1) * 4;\n let ksRow;\n let invKsRow;\n\n let keySchedule = this.keySchedule = new Uint32Array(ksRows);\n let invKeySchedule = this.invKeySchedule = new Uint32Array(ksRows);\n let sbox = this.sBox;\n let rcon = this.rcon;\n\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let prev;\n let t;\n\n for (ksRow = 0; ksRow < ksRows; ksRow++) {\n if (ksRow < keySize) {\n prev = keySchedule[ksRow] = key[ksRow];\n continue;\n }\n t = prev;\n\n if (ksRow % keySize === 0) {\n // Rot word\n t = (t << 8) | (t >>> 24);\n\n // Sub word\n t = (sbox[t >>> 24] << 24) | (sbox[(t >>> 16) & 0xff] << 16) | (sbox[(t >>> 8) & 0xff] << 8) | sbox[t & 0xff];\n\n // Mix Rcon\n t ^= rcon[(ksRow / keySize) | 0] << 24;\n } else if (keySize > 6 && ksRow % keySize === 4) {\n // Sub word\n t = (sbox[t >>> 24] << 24) | (sbox[(t >>> 16) & 0xff] << 16) | (sbox[(t >>> 8) & 0xff] << 8) | sbox[t & 0xff];\n }\n\n keySchedule[ksRow] = prev = (keySchedule[ksRow - keySize] ^ t) >>> 0;\n }\n\n for (invKsRow = 0; invKsRow < ksRows; invKsRow++) {\n ksRow = ksRows - invKsRow;\n if (invKsRow & 3) {\n t = keySchedule[ksRow];\n } else {\n t = keySchedule[ksRow - 4];\n }\n\n if (invKsRow < 4 || ksRow <= 4) {\n invKeySchedule[invKsRow] = t;\n } else {\n invKeySchedule[invKsRow] = invSubMix0[sbox[t >>> 24]] ^ invSubMix1[sbox[(t >>> 16) & 0xff]] ^ invSubMix2[sbox[(t >>> 8) & 0xff]] ^ invSubMix3[sbox[t & 0xff]];\n }\n\n invKeySchedule[invKsRow] = invKeySchedule[invKsRow] >>> 0;\n }\n }\n\n // Adding this as a method greatly improves performance.\n networkToHostOrderSwap (word) {\n return (word << 24) | ((word & 0xff00) << 8) | ((word & 0xff0000) >> 8) | (word >>> 24);\n }\n\n decrypt (inputArrayBuffer, offset, aesIV, removePKCS7Padding) {\n let nRounds = this.keySize + 6;\n let invKeySchedule = this.invKeySchedule;\n let invSBOX = this.invSBox;\n\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let initVector = this.uint8ArrayToUint32Array_(aesIV);\n let initVector0 = initVector[0];\n let initVector1 = initVector[1];\n let initVector2 = initVector[2];\n let initVector3 = initVector[3];\n\n let inputInt32 = new Int32Array(inputArrayBuffer);\n let outputInt32 = new Int32Array(inputInt32.length);\n\n let t0, t1, t2, t3;\n let s0, s1, s2, s3;\n let inputWords0, inputWords1, inputWords2, inputWords3;\n\n let ksRow, i;\n let swapWord = this.networkToHostOrderSwap;\n\n while (offset < inputInt32.length) {\n inputWords0 = swapWord(inputInt32[offset]);\n inputWords1 = swapWord(inputInt32[offset + 1]);\n inputWords2 = swapWord(inputInt32[offset + 2]);\n inputWords3 = swapWord(inputInt32[offset + 3]);\n\n s0 = inputWords0 ^ invKeySchedule[0];\n s1 = inputWords3 ^ invKeySchedule[1];\n s2 = inputWords2 ^ invKeySchedule[2];\n s3 = inputWords1 ^ invKeySchedule[3];\n\n ksRow = 4;\n\n // Iterate through the rounds of decryption\n for (i = 1; i < nRounds; i++) {\n t0 = invSubMix0[s0 >>> 24] ^ invSubMix1[(s1 >> 16) & 0xff] ^ invSubMix2[(s2 >> 8) & 0xff] ^ invSubMix3[s3 & 0xff] ^ invKeySchedule[ksRow];\n t1 = invSubMix0[s1 >>> 24] ^ invSubMix1[(s2 >> 16) & 0xff] ^ invSubMix2[(s3 >> 8) & 0xff] ^ invSubMix3[s0 & 0xff] ^ invKeySchedule[ksRow + 1];\n t2 = invSubMix0[s2 >>> 24] ^ invSubMix1[(s3 >> 16) & 0xff] ^ invSubMix2[(s0 >> 8) & 0xff] ^ invSubMix3[s1 & 0xff] ^ invKeySchedule[ksRow + 2];\n t3 = invSubMix0[s3 >>> 24] ^ invSubMix1[(s0 >> 16) & 0xff] ^ invSubMix2[(s1 >> 8) & 0xff] ^ invSubMix3[s2 & 0xff] ^ invKeySchedule[ksRow + 3];\n // Update state\n s0 = t0;\n s1 = t1;\n s2 = t2;\n s3 = t3;\n\n ksRow = ksRow + 4;\n }\n\n // Shift rows, sub bytes, add round key\n t0 = ((invSBOX[s0 >>> 24] << 24) ^ (invSBOX[(s1 >> 16) & 0xff] << 16) ^ (invSBOX[(s2 >> 8) & 0xff] << 8) ^ invSBOX[s3 & 0xff]) ^ invKeySchedule[ksRow];\n t1 = ((invSBOX[s1 >>> 24] << 24) ^ (invSBOX[(s2 >> 16) & 0xff] << 16) ^ (invSBOX[(s3 >> 8) & 0xff] << 8) ^ invSBOX[s0 & 0xff]) ^ invKeySchedule[ksRow + 1];\n t2 = ((invSBOX[s2 >>> 24] << 24) ^ (invSBOX[(s3 >> 16) & 0xff] << 16) ^ (invSBOX[(s0 >> 8) & 0xff] << 8) ^ invSBOX[s1 & 0xff]) ^ invKeySchedule[ksRow + 2];\n t3 = ((invSBOX[s3 >>> 24] << 24) ^ (invSBOX[(s0 >> 16) & 0xff] << 16) ^ (invSBOX[(s1 >> 8) & 0xff] << 8) ^ invSBOX[s2 & 0xff]) ^ invKeySchedule[ksRow + 3];\n ksRow = ksRow + 3;\n\n // Write\n outputInt32[offset] = swapWord(t0 ^ initVector0);\n outputInt32[offset + 1] = swapWord(t3 ^ initVector1);\n outputInt32[offset + 2] = swapWord(t2 ^ initVector2);\n outputInt32[offset + 3] = swapWord(t1 ^ initVector3);\n\n // reset initVector to last 4 unsigned int\n initVector0 = inputWords0;\n initVector1 = inputWords1;\n initVector2 = inputWords2;\n initVector3 = inputWords3;\n\n offset = offset + 4;\n }\n\n return removePKCS7Padding ? removePadding(outputInt32.buffer) : outputInt32.buffer;\n }\n\n destroy () {\n this.key = undefined;\n this.keySize = undefined;\n this.ksRows = undefined;\n\n this.sBox = undefined;\n this.invSBox = undefined;\n this.subMix = undefined;\n this.invSubMix = undefined;\n this.keySchedule = undefined;\n this.invKeySchedule = undefined;\n\n this.rcon = undefined;\n }\n}\n\nexport default AESDecryptor;\n","import AESCrypto from './aes-crypto';\nimport FastAESKey from './fast-aes-key';\nimport AESDecryptor from './aes-decryptor';\n\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\n\nimport Event from '../events';\n\nimport { getSelfScope } from '../utils/get-self-scope';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n\nclass Decrypter {\n constructor (observer, config, { removePKCS7Padding = true } = {}) {\n this.logEnabled = true;\n this.observer = observer;\n this.config = config;\n this.removePKCS7Padding = removePKCS7Padding;\n // built in decryptor expects PKCS7 padding\n if (removePKCS7Padding) {\n try {\n const browserCrypto = global.crypto;\n if (browserCrypto) {\n this.subtle = browserCrypto.subtle || browserCrypto.webkitSubtle;\n }\n } catch (e) {}\n }\n this.disableWebCrypto = !this.subtle;\n }\n\n isSync () {\n return (this.disableWebCrypto && this.config.enableSoftwareAES);\n }\n\n decrypt (data, key, iv, callback) {\n if (this.disableWebCrypto && this.config.enableSoftwareAES) {\n if (this.logEnabled) {\n logger.log('JS AES decrypt');\n this.logEnabled = false;\n }\n let decryptor = this.decryptor;\n if (!decryptor) {\n this.decryptor = decryptor = new AESDecryptor();\n }\n\n decryptor.expandKey(key);\n callback(decryptor.decrypt(data, 0, iv, this.removePKCS7Padding));\n } else {\n if (this.logEnabled) {\n logger.log('WebCrypto AES decrypt');\n this.logEnabled = false;\n }\n const subtle = this.subtle;\n if (this.key !== key) {\n this.key = key;\n this.fastAesKey = new FastAESKey(subtle, key);\n }\n\n this.fastAesKey.expandKey()\n .then((aesKey) => {\n // decrypt using web crypto\n let crypto = new AESCrypto(subtle, iv);\n crypto.decrypt(data, aesKey)\n .catch((err) => {\n this.onWebCryptoError(err, data, key, iv, callback);\n })\n .then((result) => {\n callback(result);\n });\n })\n .catch((err) => {\n this.onWebCryptoError(err, data, key, iv, callback);\n });\n }\n }\n\n onWebCryptoError (err, data, key, iv, callback) {\n if (this.config.enableSoftwareAES) {\n logger.log('WebCrypto Error, disable WebCrypto API');\n this.disableWebCrypto = true;\n this.logEnabled = true;\n this.decrypt(data, key, iv, callback);\n } else {\n logger.error(`decrypting error : ${err.message}`);\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_DECRYPT_ERROR, fatal: true, reason: err.message });\n }\n }\n\n destroy () {\n let decryptor = this.decryptor;\n if (decryptor) {\n decryptor.destroy();\n this.decryptor = undefined;\n }\n }\n}\n\nexport default Decrypter;\n","'use strict';\n\nvar has = Object.prototype.hasOwnProperty\n , prefix = '~';\n\n/**\n * Constructor to create a storage for our `EE` objects.\n * An `Events` instance is a plain object whose properties are event names.\n *\n * @constructor\n * @private\n */\nfunction Events() {}\n\n//\n// We try to not inherit from `Object.prototype`. In some engines creating an\n// instance in this way is faster than calling `Object.create(null)` directly.\n// If `Object.create(null)` is not supported we prefix the event names with a\n// character to make sure that the built-in object properties are not\n// overridden or used as an attack vector.\n//\nif (Object.create) {\n Events.prototype = Object.create(null);\n\n //\n // This hack is needed because the `__proto__` property is still inherited in\n // some old browsers like Android 4, iPhone 5.1, Opera 11 and Safari 5.\n //\n if (!new Events().__proto__) prefix = false;\n}\n\n/**\n * Representation of a single event listener.\n *\n * @param {Function} fn The listener function.\n * @param {*} context The context to invoke the listener with.\n * @param {Boolean} [once=false] Specify if the listener is a one-time listener.\n * @constructor\n * @private\n */\nfunction EE(fn, context, once) {\n this.fn = fn;\n this.context = context;\n this.once = once || false;\n}\n\n/**\n * Add a listener for a given event.\n *\n * @param {EventEmitter} emitter Reference to the `EventEmitter` instance.\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} context The context to invoke the listener with.\n * @param {Boolean} once Specify if the listener is a one-time listener.\n * @returns {EventEmitter}\n * @private\n */\nfunction addListener(emitter, event, fn, context, once) {\n if (typeof fn !== 'function') {\n throw new TypeError('The listener must be a function');\n }\n\n var listener = new EE(fn, context || emitter, once)\n , evt = prefix ? prefix + event : event;\n\n if (!emitter._events[evt]) emitter._events[evt] = listener, emitter._eventsCount++;\n else if (!emitter._events[evt].fn) emitter._events[evt].push(listener);\n else emitter._events[evt] = [emitter._events[evt], listener];\n\n return emitter;\n}\n\n/**\n * Clear event by name.\n *\n * @param {EventEmitter} emitter Reference to the `EventEmitter` instance.\n * @param {(String|Symbol)} evt The Event name.\n * @private\n */\nfunction clearEvent(emitter, evt) {\n if (--emitter._eventsCount === 0) emitter._events = new Events();\n else delete emitter._events[evt];\n}\n\n/**\n * Minimal `EventEmitter` interface that is molded against the Node.js\n * `EventEmitter` interface.\n *\n * @constructor\n * @public\n */\nfunction EventEmitter() {\n this._events = new Events();\n this._eventsCount = 0;\n}\n\n/**\n * Return an array listing the events for which the emitter has registered\n * listeners.\n *\n * @returns {Array}\n * @public\n */\nEventEmitter.prototype.eventNames = function eventNames() {\n var names = []\n , events\n , name;\n\n if (this._eventsCount === 0) return names;\n\n for (name in (events = this._events)) {\n if (has.call(events, name)) names.push(prefix ? name.slice(1) : name);\n }\n\n if (Object.getOwnPropertySymbols) {\n return names.concat(Object.getOwnPropertySymbols(events));\n }\n\n return names;\n};\n\n/**\n * Return the listeners registered for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Array} The registered listeners.\n * @public\n */\nEventEmitter.prototype.listeners = function listeners(event) {\n var evt = prefix ? prefix + event : event\n , handlers = this._events[evt];\n\n if (!handlers) return [];\n if (handlers.fn) return [handlers.fn];\n\n for (var i = 0, l = handlers.length, ee = new Array(l); i < l; i++) {\n ee[i] = handlers[i].fn;\n }\n\n return ee;\n};\n\n/**\n * Return the number of listeners listening to a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Number} The number of listeners.\n * @public\n */\nEventEmitter.prototype.listenerCount = function listenerCount(event) {\n var evt = prefix ? prefix + event : event\n , listeners = this._events[evt];\n\n if (!listeners) return 0;\n if (listeners.fn) return 1;\n return listeners.length;\n};\n\n/**\n * Calls each of the listeners registered for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Boolean} `true` if the event had listeners, else `false`.\n * @public\n */\nEventEmitter.prototype.emit = function emit(event, a1, a2, a3, a4, a5) {\n var evt = prefix ? prefix + event : event;\n\n if (!this._events[evt]) return false;\n\n var listeners = this._events[evt]\n , len = arguments.length\n , args\n , i;\n\n if (listeners.fn) {\n if (listeners.once) this.removeListener(event, listeners.fn, undefined, true);\n\n switch (len) {\n case 1: return listeners.fn.call(listeners.context), true;\n case 2: return listeners.fn.call(listeners.context, a1), true;\n case 3: return listeners.fn.call(listeners.context, a1, a2), true;\n case 4: return listeners.fn.call(listeners.context, a1, a2, a3), true;\n case 5: return listeners.fn.call(listeners.context, a1, a2, a3, a4), true;\n case 6: return listeners.fn.call(listeners.context, a1, a2, a3, a4, a5), true;\n }\n\n for (i = 1, args = new Array(len -1); i < len; i++) {\n args[i - 1] = arguments[i];\n }\n\n listeners.fn.apply(listeners.context, args);\n } else {\n var length = listeners.length\n , j;\n\n for (i = 0; i < length; i++) {\n if (listeners[i].once) this.removeListener(event, listeners[i].fn, undefined, true);\n\n switch (len) {\n case 1: listeners[i].fn.call(listeners[i].context); break;\n case 2: listeners[i].fn.call(listeners[i].context, a1); break;\n case 3: listeners[i].fn.call(listeners[i].context, a1, a2); break;\n case 4: listeners[i].fn.call(listeners[i].context, a1, a2, a3); break;\n default:\n if (!args) for (j = 1, args = new Array(len -1); j < len; j++) {\n args[j - 1] = arguments[j];\n }\n\n listeners[i].fn.apply(listeners[i].context, args);\n }\n }\n }\n\n return true;\n};\n\n/**\n * Add a listener for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} [context=this] The context to invoke the listener with.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.on = function on(event, fn, context) {\n return addListener(this, event, fn, context, false);\n};\n\n/**\n * Add a one-time listener for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} [context=this] The context to invoke the listener with.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.once = function once(event, fn, context) {\n return addListener(this, event, fn, context, true);\n};\n\n/**\n * Remove the listeners of a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn Only remove the listeners that match this function.\n * @param {*} context Only remove the listeners that have this context.\n * @param {Boolean} once Only remove one-time listeners.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.removeListener = function removeListener(event, fn, context, once) {\n var evt = prefix ? prefix + event : event;\n\n if (!this._events[evt]) return this;\n if (!fn) {\n clearEvent(this, evt);\n return this;\n }\n\n var listeners = this._events[evt];\n\n if (listeners.fn) {\n if (\n listeners.fn === fn &&\n (!once || listeners.once) &&\n (!context || listeners.context === context)\n ) {\n clearEvent(this, evt);\n }\n } else {\n for (var i = 0, events = [], length = listeners.length; i < length; i++) {\n if (\n listeners[i].fn !== fn ||\n (once && !listeners[i].once) ||\n (context && listeners[i].context !== context)\n ) {\n events.push(listeners[i]);\n }\n }\n\n //\n // Reset the array, or remove it completely if we have no more listeners.\n //\n if (events.length) this._events[evt] = events.length === 1 ? events[0] : events;\n else clearEvent(this, evt);\n }\n\n return this;\n};\n\n/**\n * Remove all listeners, or those of the specified event.\n *\n * @param {(String|Symbol)} [event] The event name.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.removeAllListeners = function removeAllListeners(event) {\n var evt;\n\n if (event) {\n evt = prefix ? prefix + event : event;\n if (this._events[evt]) clearEvent(this, evt);\n } else {\n this._events = new Events();\n this._eventsCount = 0;\n }\n\n return this;\n};\n\n//\n// Alias methods names because people roll like that.\n//\nEventEmitter.prototype.off = EventEmitter.prototype.removeListener;\nEventEmitter.prototype.addListener = EventEmitter.prototype.on;\n\n//\n// Expose the prefix.\n//\nEventEmitter.prefixed = prefix;\n\n//\n// Allow `EventEmitter` to be imported as module namespace.\n//\nEventEmitter.EventEmitter = EventEmitter;\n\n//\n// Expose the module.\n//\nif ('undefined' !== typeof module) {\n module.exports = EventEmitter;\n}\n","/**\n * ADTS parser helper\n * @link https://wiki.multimedia.cx/index.php?title=ADTS\n */\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\nimport Event from '../events';\n\nimport { getSelfScope } from '../utils/get-self-scope';\n\nexport function getAudioConfig (observer, data, offset, audioCodec) {\n let adtsObjectType, // :int\n adtsSampleingIndex, // :int\n adtsExtensionSampleingIndex, // :int\n adtsChanelConfig, // :int\n config,\n userAgent = navigator.userAgent.toLowerCase(),\n manifestCodec = audioCodec,\n adtsSampleingRates = [\n 96000, 88200,\n 64000, 48000,\n 44100, 32000,\n 24000, 22050,\n 16000, 12000,\n 11025, 8000,\n 7350];\n // byte 2\n adtsObjectType = ((data[offset + 2] & 0xC0) >>> 6) + 1;\n adtsSampleingIndex = ((data[offset + 2] & 0x3C) >>> 2);\n if (adtsSampleingIndex > adtsSampleingRates.length - 1) {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: true, reason: `invalid ADTS sampling index:${adtsSampleingIndex}` });\n return;\n }\n adtsChanelConfig = ((data[offset + 2] & 0x01) << 2);\n // byte 3\n adtsChanelConfig |= ((data[offset + 3] & 0xC0) >>> 6);\n logger.log(`manifest codec:${audioCodec},ADTS data:type:${adtsObjectType},sampleingIndex:${adtsSampleingIndex}[${adtsSampleingRates[adtsSampleingIndex]}Hz],channelConfig:${adtsChanelConfig}`);\n // firefox: freq less than 24kHz = AAC SBR (HE-AAC)\n if (/firefox/i.test(userAgent)) {\n if (adtsSampleingIndex >= 6) {\n adtsObjectType = 5;\n config = new Array(4);\n // HE-AAC uses SBR (Spectral Band Replication) , high frequencies are constructed from low frequencies\n // there is a factor 2 between frame sample rate and output sample rate\n // multiply frequency by 2 (see table below, equivalent to substract 3)\n adtsExtensionSampleingIndex = adtsSampleingIndex - 3;\n } else {\n adtsObjectType = 2;\n config = new Array(2);\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n }\n // Android : always use AAC\n } else if (userAgent.indexOf('android') !== -1) {\n adtsObjectType = 2;\n config = new Array(2);\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n } else {\n /* for other browsers (Chrome/Vivaldi/Opera ...)\n always force audio type to be HE-AAC SBR, as some browsers do not support audio codec switch properly (like Chrome ...)\n */\n adtsObjectType = 5;\n config = new Array(4);\n // if (manifest codec is HE-AAC or HE-AACv2) OR (manifest codec not specified AND frequency less than 24kHz)\n if ((audioCodec && ((audioCodec.indexOf('mp4a.40.29') !== -1) ||\n (audioCodec.indexOf('mp4a.40.5') !== -1))) ||\n (!audioCodec && adtsSampleingIndex >= 6)) {\n // HE-AAC uses SBR (Spectral Band Replication) , high frequencies are constructed from low frequencies\n // there is a factor 2 between frame sample rate and output sample rate\n // multiply frequency by 2 (see table below, equivalent to substract 3)\n adtsExtensionSampleingIndex = adtsSampleingIndex - 3;\n } else {\n // if (manifest codec is AAC) AND (frequency less than 24kHz AND nb channel is 1) OR (manifest codec not specified and mono audio)\n // Chrome fails to play back with low frequency AAC LC mono when initialized with HE-AAC. This is not a problem with stereo.\n if (audioCodec && audioCodec.indexOf('mp4a.40.2') !== -1 && ((adtsSampleingIndex >= 6 && adtsChanelConfig === 1) ||\n /vivaldi/i.test(userAgent)) ||\n (!audioCodec && adtsChanelConfig === 1)) {\n adtsObjectType = 2;\n config = new Array(2);\n }\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n }\n }\n /* refer to http://wiki.multimedia.cx/index.php?title=MPEG-4_Audio#Audio_Specific_Config\n ISO 14496-3 (AAC).pdf - Table 1.13 — Syntax of AudioSpecificConfig()\n Audio Profile / Audio Object Type\n 0: Null\n 1: AAC Main\n 2: AAC LC (Low Complexity)\n 3: AAC SSR (Scalable Sample Rate)\n 4: AAC LTP (Long Term Prediction)\n 5: SBR (Spectral Band Replication)\n 6: AAC Scalable\n sampling freq\n 0: 96000 Hz\n 1: 88200 Hz\n 2: 64000 Hz\n 3: 48000 Hz\n 4: 44100 Hz\n 5: 32000 Hz\n 6: 24000 Hz\n 7: 22050 Hz\n 8: 16000 Hz\n 9: 12000 Hz\n 10: 11025 Hz\n 11: 8000 Hz\n 12: 7350 Hz\n 13: Reserved\n 14: Reserved\n 15: frequency is written explictly\n Channel Configurations\n These are the channel configurations:\n 0: Defined in AOT Specifc Config\n 1: 1 channel: front-center\n 2: 2 channels: front-left, front-right\n */\n // audioObjectType = profile => profile, the MPEG-4 Audio Object Type minus 1\n config[0] = adtsObjectType << 3;\n // samplingFrequencyIndex\n config[0] |= (adtsSampleingIndex & 0x0E) >> 1;\n config[1] |= (adtsSampleingIndex & 0x01) << 7;\n // channelConfiguration\n config[1] |= adtsChanelConfig << 3;\n if (adtsObjectType === 5) {\n // adtsExtensionSampleingIndex\n config[1] |= (adtsExtensionSampleingIndex & 0x0E) >> 1;\n config[2] = (adtsExtensionSampleingIndex & 0x01) << 7;\n // adtsObjectType (force to 2, chrome is checking that object type is less than 5 ???\n // https://chromium.googlesource.com/chromium/src.git/+/master/media/formats/mp4/aac.cc\n config[2] |= 2 << 2;\n config[3] = 0;\n }\n return { config: config, samplerate: adtsSampleingRates[adtsSampleingIndex], channelCount: adtsChanelConfig, codec: ('mp4a.40.' + adtsObjectType), manifestCodec: manifestCodec };\n}\n\nexport function isHeaderPattern (data, offset) {\n return data[offset] === 0xff && (data[offset + 1] & 0xf6) === 0xf0;\n}\n\nexport function getHeaderLength (data, offset) {\n return (data[offset + 1] & 0x01 ? 7 : 9);\n}\n\nexport function getFullFrameLength (data, offset) {\n return ((data[offset + 3] & 0x03) << 11) |\n (data[offset + 4] << 3) |\n ((data[offset + 5] & 0xE0) >>> 5);\n}\n\nexport function isHeader (data, offset) {\n // Look for ADTS header | 1111 1111 | 1111 X00X | where X can be either 0 or 1\n // Layer bits (position 14 and 15) in header should be always 0 for ADTS\n // More info https://wiki.multimedia.cx/index.php?title=ADTS\n if (offset + 1 < data.length && isHeaderPattern(data, offset)) {\n return true;\n }\n\n return false;\n}\n\nexport function probe (data, offset) {\n // same as isHeader but we also check that ADTS frame follows last ADTS frame\n // or end of data is reached\n if (isHeader(data, offset)) {\n // ADTS header Length\n let headerLength = getHeaderLength(data, offset);\n // ADTS frame Length\n let frameLength = headerLength;\n if (offset + 5 < data.length) {\n frameLength = getFullFrameLength(data, offset);\n }\n\n let newOffset = offset + frameLength;\n if (newOffset === data.length || (newOffset + 1 < data.length && isHeaderPattern(data, newOffset))) {\n return true;\n }\n }\n return false;\n}\n\nexport function initTrackConfig (track, observer, data, offset, audioCodec) {\n if (!track.samplerate) {\n let config = getAudioConfig(observer, data, offset, audioCodec);\n track.config = config.config;\n track.samplerate = config.samplerate;\n track.channelCount = config.channelCount;\n track.codec = config.codec;\n track.manifestCodec = config.manifestCodec;\n logger.log(`parsed codec:${track.codec},rate:${config.samplerate},nb channel:${config.channelCount}`);\n }\n}\n\nexport function getFrameDuration (samplerate) {\n return 1024 * 90000 / samplerate;\n}\n\nexport function parseFrameHeader (data, offset, pts, frameIndex, frameDuration) {\n let headerLength, frameLength, stamp;\n let length = data.length;\n\n // The protection skip bit tells us if we have 2 bytes of CRC data at the end of the ADTS header\n headerLength = getHeaderLength(data, offset);\n // retrieve frame size\n frameLength = getFullFrameLength(data, offset);\n frameLength -= headerLength;\n\n if ((frameLength > 0) && ((offset + headerLength + frameLength) <= length)) {\n stamp = pts + frameIndex * frameDuration;\n // logger.log(`AAC frame, offset/length/total/pts:${offset+headerLength}/${frameLength}/${data.byteLength}/${(stamp/90).toFixed(0)}`);\n return { headerLength, frameLength, stamp };\n }\n\n return undefined;\n}\n\nexport function appendFrame (track, data, offset, pts, frameIndex) {\n let frameDuration = getFrameDuration(track.samplerate);\n let header = parseFrameHeader(data, offset, pts, frameIndex, frameDuration);\n if (header) {\n let stamp = header.stamp;\n let headerLength = header.headerLength;\n let frameLength = header.frameLength;\n\n // logger.log(`AAC frame, offset/length/total/pts:${offset+headerLength}/${frameLength}/${data.byteLength}/${(stamp/90).toFixed(0)}`);\n let aacSample = {\n unit: data.subarray(offset + headerLength, offset + headerLength + frameLength),\n pts: stamp,\n dts: stamp\n };\n\n track.samples.push(aacSample);\n return { sample: aacSample, length: frameLength + headerLength };\n }\n\n return undefined;\n}\n","/**\n * AAC demuxer\n */\nimport * as ADTS from './adts';\nimport { logger } from '../utils/logger';\nimport ID3 from '../demux/id3';\n\nclass AACDemuxer {\n constructor (observer, remuxer, config) {\n this.observer = observer;\n this.config = config;\n this.remuxer = remuxer;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this._audioTrack = { container: 'audio/adts', type: 'audio', id: 0, sequenceNumber: 0, isAAC: true, samples: [], len: 0, manifestCodec: audioCodec, duration: duration, inputTimeScale: 90000 };\n }\n\n resetTimeStamp () {\n }\n\n static probe (data) {\n if (!data) {\n return false;\n }\n\n // Check for the ADTS sync word\n // Look for ADTS header | 1111 1111 | 1111 X00X | where X can be either 0 or 1\n // Layer bits (position 14 and 15) in header should be always 0 for ADTS\n // More info https://wiki.multimedia.cx/index.php?title=ADTS\n const id3Data = ID3.getID3Data(data, 0) || [];\n let offset = id3Data.length;\n\n for (let length = data.length; offset < length; offset++) {\n if (ADTS.probe(data, offset)) {\n logger.log('ADTS sync word found !');\n return true;\n }\n }\n return false;\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let track = this._audioTrack;\n let id3Data = ID3.getID3Data(data, 0) || [];\n let timestamp = ID3.getTimeStamp(id3Data);\n let pts = Number.isFinite(timestamp) ? timestamp * 90 : timeOffset * 90000;\n let frameIndex = 0;\n let stamp = pts;\n let length = data.length;\n let offset = id3Data.length;\n\n let id3Samples = [{ pts: stamp, dts: stamp, data: id3Data }];\n\n while (offset < length - 1) {\n if (ADTS.isHeader(data, offset) && (offset + 5) < length) {\n ADTS.initTrackConfig(track, this.observer, data, offset, track.manifestCodec);\n let frame = ADTS.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n } else {\n logger.log('Unable to parse AAC frame');\n break;\n }\n } else if (ID3.isHeader(data, offset)) {\n id3Data = ID3.getID3Data(data, offset);\n id3Samples.push({ pts: stamp, dts: stamp, data: id3Data });\n offset += id3Data.length;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n this.remuxer.remux(track,\n { samples: [] },\n { samples: id3Samples, inputTimeScale: 90000 },\n { samples: [] },\n timeOffset,\n contiguous,\n accurateTimeOffset);\n }\n\n destroy () {\n }\n}\n\nexport default AACDemuxer;\n","/**\n * MPEG parser helper\n */\n\nconst MpegAudio = {\n\n BitratesMap: [\n 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448,\n 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384,\n 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320,\n 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256,\n 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160],\n\n SamplingRateMap: [44100, 48000, 32000, 22050, 24000, 16000, 11025, 12000, 8000],\n\n SamplesCoefficients: [\n // MPEG 2.5\n [\n 0, // Reserved\n 72, // Layer3\n 144, // Layer2\n 12 // Layer1\n ],\n // Reserved\n [\n 0, // Reserved\n 0, // Layer3\n 0, // Layer2\n 0 // Layer1\n ],\n // MPEG 2\n [\n 0, // Reserved\n 72, // Layer3\n 144, // Layer2\n 12 // Layer1\n ],\n // MPEG 1\n [\n 0, // Reserved\n 144, // Layer3\n 144, // Layer2\n 12 // Layer1\n ]\n ],\n\n BytesInSlot: [\n 0, // Reserved\n 1, // Layer3\n 1, // Layer2\n 4 // Layer1\n ],\n\n appendFrame: function (track, data, offset, pts, frameIndex) {\n // Using http://www.datavoyage.com/mpgscript/mpeghdr.htm as a reference\n if (offset + 24 > data.length) {\n return undefined;\n }\n\n let header = this.parseHeader(data, offset);\n if (header && offset + header.frameLength <= data.length) {\n let frameDuration = header.samplesPerFrame * 90000 / header.sampleRate;\n let stamp = pts + frameIndex * frameDuration;\n let sample = { unit: data.subarray(offset, offset + header.frameLength), pts: stamp, dts: stamp };\n\n track.config = [];\n track.channelCount = header.channelCount;\n track.samplerate = header.sampleRate;\n track.samples.push(sample);\n\n return { sample, length: header.frameLength };\n }\n\n return undefined;\n },\n\n parseHeader: function (data, offset) {\n let headerB = (data[offset + 1] >> 3) & 3;\n let headerC = (data[offset + 1] >> 1) & 3;\n let headerE = (data[offset + 2] >> 4) & 15;\n let headerF = (data[offset + 2] >> 2) & 3;\n let headerG = (data[offset + 2] >> 1) & 1;\n if (headerB !== 1 && headerE !== 0 && headerE !== 15 && headerF !== 3) {\n let columnInBitrates = headerB === 3 ? (3 - headerC) : (headerC === 3 ? 3 : 4);\n let bitRate = MpegAudio.BitratesMap[columnInBitrates * 14 + headerE - 1] * 1000;\n let columnInSampleRates = headerB === 3 ? 0 : headerB === 2 ? 1 : 2;\n let sampleRate = MpegAudio.SamplingRateMap[columnInSampleRates * 3 + headerF];\n let channelCount = data[offset + 3] >> 6 === 3 ? 1 : 2; // If bits of channel mode are `11` then it is a single channel (Mono)\n let sampleCoefficient = MpegAudio.SamplesCoefficients[headerB][headerC];\n let bytesInSlot = MpegAudio.BytesInSlot[headerC];\n let samplesPerFrame = sampleCoefficient * 8 * bytesInSlot;\n let frameLength = parseInt(sampleCoefficient * bitRate / sampleRate + headerG, 10) * bytesInSlot;\n\n return { sampleRate, channelCount, frameLength, samplesPerFrame };\n }\n\n return undefined;\n },\n\n isHeaderPattern: function (data, offset) {\n return data[offset] === 0xff && (data[offset + 1] & 0xe0) === 0xe0 && (data[offset + 1] & 0x06) !== 0x00;\n },\n\n isHeader: function (data, offset) {\n // Look for MPEG header | 1111 1111 | 111X XYZX | where X can be either 0 or 1 and Y or Z should be 1\n // Layer bits (position 14 and 15) in header should be always different from 0 (Layer I or Layer II or Layer III)\n // More info http://www.mp3-tech.org/programmer/frame_header.html\n if (offset + 1 < data.length && this.isHeaderPattern(data, offset)) {\n return true;\n }\n\n return false;\n },\n\n probe: function (data, offset) {\n // same as isHeader but we also check that MPEG frame follows last MPEG frame\n // or end of data is reached\n if (offset + 1 < data.length && this.isHeaderPattern(data, offset)) {\n // MPEG header Length\n let headerLength = 4;\n // MPEG frame Length\n let header = this.parseHeader(data, offset);\n let frameLength = headerLength;\n if (header && header.frameLength) {\n frameLength = header.frameLength;\n }\n\n let newOffset = offset + frameLength;\n if (newOffset === data.length || (newOffset + 1 < data.length && this.isHeaderPattern(data, newOffset))) {\n return true;\n }\n }\n return false;\n }\n};\n\nexport default MpegAudio;\n","/**\n * Parser for exponential Golomb codes, a variable-bitwidth number encoding scheme used by h264.\n*/\n\nimport { logger } from '../utils/logger';\n\nclass ExpGolomb {\n constructor (data) {\n this.data = data;\n // the number of bytes left to examine in this.data\n this.bytesAvailable = data.byteLength;\n // the current word being examined\n this.word = 0; // :uint\n // the number of bits left to examine in the current word\n this.bitsAvailable = 0; // :uint\n }\n\n // ():void\n loadWord () {\n let\n data = this.data,\n bytesAvailable = this.bytesAvailable,\n position = data.byteLength - bytesAvailable,\n workingBytes = new Uint8Array(4),\n availableBytes = Math.min(4, bytesAvailable);\n if (availableBytes === 0) {\n throw new Error('no bytes available');\n }\n\n workingBytes.set(data.subarray(position, position + availableBytes));\n this.word = new DataView(workingBytes.buffer).getUint32(0);\n // track the amount of this.data that has been processed\n this.bitsAvailable = availableBytes * 8;\n this.bytesAvailable -= availableBytes;\n }\n\n // (count:int):void\n skipBits (count) {\n let skipBytes; // :int\n if (this.bitsAvailable > count) {\n this.word <<= count;\n this.bitsAvailable -= count;\n } else {\n count -= this.bitsAvailable;\n skipBytes = count >> 3;\n count -= (skipBytes >> 3);\n this.bytesAvailable -= skipBytes;\n this.loadWord();\n this.word <<= count;\n this.bitsAvailable -= count;\n }\n }\n\n // (size:int):uint\n readBits (size) {\n let\n bits = Math.min(this.bitsAvailable, size), // :uint\n valu = this.word >>> (32 - bits); // :uint\n if (size > 32) {\n logger.error('Cannot read more than 32 bits at a time');\n }\n\n this.bitsAvailable -= bits;\n if (this.bitsAvailable > 0) {\n this.word <<= bits;\n } else if (this.bytesAvailable > 0) {\n this.loadWord();\n }\n\n bits = size - bits;\n if (bits > 0 && this.bitsAvailable) {\n return valu << bits | this.readBits(bits);\n } else {\n return valu;\n }\n }\n\n // ():uint\n skipLZ () {\n let leadingZeroCount; // :uint\n for (leadingZeroCount = 0; leadingZeroCount < this.bitsAvailable; ++leadingZeroCount) {\n if ((this.word & (0x80000000 >>> leadingZeroCount)) !== 0) {\n // the first bit of working word is 1\n this.word <<= leadingZeroCount;\n this.bitsAvailable -= leadingZeroCount;\n return leadingZeroCount;\n }\n }\n // we exhausted word and still have not found a 1\n this.loadWord();\n return leadingZeroCount + this.skipLZ();\n }\n\n // ():void\n skipUEG () {\n this.skipBits(1 + this.skipLZ());\n }\n\n // ():void\n skipEG () {\n this.skipBits(1 + this.skipLZ());\n }\n\n // ():uint\n readUEG () {\n let clz = this.skipLZ(); // :uint\n return this.readBits(clz + 1) - 1;\n }\n\n // ():int\n readEG () {\n let valu = this.readUEG(); // :int\n if (0x01 & valu) {\n // the number is odd if the low order bit is set\n return (1 + valu) >>> 1; // add 1 to make it even, and divide by 2\n } else {\n return -1 * (valu >>> 1); // divide by two then make it negative\n }\n }\n\n // Some convenience functions\n // :Boolean\n readBoolean () {\n return this.readBits(1) === 1;\n }\n\n // ():int\n readUByte () {\n return this.readBits(8);\n }\n\n // ():int\n readUShort () {\n return this.readBits(16);\n }\n // ():int\n readUInt () {\n return this.readBits(32);\n }\n\n /**\n * Advance the ExpGolomb decoder past a scaling list. The scaling\n * list is optionally transmitted as part of a sequence parameter\n * set and is not relevant to transmuxing.\n * @param count {number} the number of entries in this scaling list\n * @see Recommendation ITU-T H.264, Section 7.3.2.1.1.1\n */\n skipScalingList (count) {\n let\n lastScale = 8,\n nextScale = 8,\n j,\n deltaScale;\n for (j = 0; j < count; j++) {\n if (nextScale !== 0) {\n deltaScale = this.readEG();\n nextScale = (lastScale + deltaScale + 256) % 256;\n }\n lastScale = (nextScale === 0) ? lastScale : nextScale;\n }\n }\n\n /**\n * Read a sequence parameter set and return some interesting video\n * properties. A sequence parameter set is the H264 metadata that\n * describes the properties of upcoming video frames.\n * @param data {Uint8Array} the bytes of a sequence parameter set\n * @return {object} an object with configuration parsed from the\n * sequence parameter set, including the dimensions of the\n * associated video frames.\n */\n readSPS () {\n let\n frameCropLeftOffset = 0,\n frameCropRightOffset = 0,\n frameCropTopOffset = 0,\n frameCropBottomOffset = 0,\n profileIdc, profileCompat, levelIdc,\n numRefFramesInPicOrderCntCycle, picWidthInMbsMinus1,\n picHeightInMapUnitsMinus1,\n frameMbsOnlyFlag,\n scalingListCount,\n i,\n readUByte = this.readUByte.bind(this),\n readBits = this.readBits.bind(this),\n readUEG = this.readUEG.bind(this),\n readBoolean = this.readBoolean.bind(this),\n skipBits = this.skipBits.bind(this),\n skipEG = this.skipEG.bind(this),\n skipUEG = this.skipUEG.bind(this),\n skipScalingList = this.skipScalingList.bind(this);\n\n readUByte();\n profileIdc = readUByte(); // profile_idc\n profileCompat = readBits(5); // constraint_set[0-4]_flag, u(5)\n skipBits(3); // reserved_zero_3bits u(3),\n levelIdc = readUByte(); // level_idc u(8)\n skipUEG(); // seq_parameter_set_id\n // some profiles have more optional data we don't need\n if (profileIdc === 100 ||\n profileIdc === 110 ||\n profileIdc === 122 ||\n profileIdc === 244 ||\n profileIdc === 44 ||\n profileIdc === 83 ||\n profileIdc === 86 ||\n profileIdc === 118 ||\n profileIdc === 128) {\n let chromaFormatIdc = readUEG();\n if (chromaFormatIdc === 3) {\n skipBits(1);\n } // separate_colour_plane_flag\n\n skipUEG(); // bit_depth_luma_minus8\n skipUEG(); // bit_depth_chroma_minus8\n skipBits(1); // qpprime_y_zero_transform_bypass_flag\n if (readBoolean()) { // seq_scaling_matrix_present_flag\n scalingListCount = (chromaFormatIdc !== 3) ? 8 : 12;\n for (i = 0; i < scalingListCount; i++) {\n if (readBoolean()) { // seq_scaling_list_present_flag[ i ]\n if (i < 6) {\n skipScalingList(16);\n } else {\n skipScalingList(64);\n }\n }\n }\n }\n }\n skipUEG(); // log2_max_frame_num_minus4\n let picOrderCntType = readUEG();\n if (picOrderCntType === 0) {\n readUEG(); // log2_max_pic_order_cnt_lsb_minus4\n } else if (picOrderCntType === 1) {\n skipBits(1); // delta_pic_order_always_zero_flag\n skipEG(); // offset_for_non_ref_pic\n skipEG(); // offset_for_top_to_bottom_field\n numRefFramesInPicOrderCntCycle = readUEG();\n for (i = 0; i < numRefFramesInPicOrderCntCycle; i++) {\n skipEG();\n } // offset_for_ref_frame[ i ]\n }\n skipUEG(); // max_num_ref_frames\n skipBits(1); // gaps_in_frame_num_value_allowed_flag\n picWidthInMbsMinus1 = readUEG();\n picHeightInMapUnitsMinus1 = readUEG();\n frameMbsOnlyFlag = readBits(1);\n if (frameMbsOnlyFlag === 0) {\n skipBits(1);\n } // mb_adaptive_frame_field_flag\n\n skipBits(1); // direct_8x8_inference_flag\n if (readBoolean()) { // frame_cropping_flag\n frameCropLeftOffset = readUEG();\n frameCropRightOffset = readUEG();\n frameCropTopOffset = readUEG();\n frameCropBottomOffset = readUEG();\n }\n let pixelRatio = [1, 1];\n if (readBoolean()) {\n // vui_parameters_present_flag\n if (readBoolean()) {\n // aspect_ratio_info_present_flag\n const aspectRatioIdc = readUByte();\n switch (aspectRatioIdc) {\n case 1: pixelRatio = [1, 1]; break;\n case 2: pixelRatio = [12, 11]; break;\n case 3: pixelRatio = [10, 11]; break;\n case 4: pixelRatio = [16, 11]; break;\n case 5: pixelRatio = [40, 33]; break;\n case 6: pixelRatio = [24, 11]; break;\n case 7: pixelRatio = [20, 11]; break;\n case 8: pixelRatio = [32, 11]; break;\n case 9: pixelRatio = [80, 33]; break;\n case 10: pixelRatio = [18, 11]; break;\n case 11: pixelRatio = [15, 11]; break;\n case 12: pixelRatio = [64, 33]; break;\n case 13: pixelRatio = [160, 99]; break;\n case 14: pixelRatio = [4, 3]; break;\n case 15: pixelRatio = [3, 2]; break;\n case 16: pixelRatio = [2, 1]; break;\n case 255: {\n pixelRatio = [readUByte() << 8 | readUByte(), readUByte() << 8 | readUByte()];\n break;\n }\n }\n }\n }\n return {\n width: Math.ceil((((picWidthInMbsMinus1 + 1) * 16) - frameCropLeftOffset * 2 - frameCropRightOffset * 2)),\n height: ((2 - frameMbsOnlyFlag) * (picHeightInMapUnitsMinus1 + 1) * 16) - ((frameMbsOnlyFlag ? 2 : 4) * (frameCropTopOffset + frameCropBottomOffset)),\n pixelRatio: pixelRatio\n };\n }\n\n readSliceType () {\n // skip NALu type\n this.readUByte();\n // discard first_mb_in_slice\n this.readUEG();\n // return slice_type\n return this.readUEG();\n }\n}\n\nexport default ExpGolomb;\n","/**\n * SAMPLE-AES decrypter\n*/\n\nimport Decrypter from '../crypt/decrypter';\n\nclass SampleAesDecrypter {\n constructor (observer, config, decryptdata, discardEPB) {\n this.decryptdata = decryptdata;\n this.discardEPB = discardEPB;\n this.decrypter = new Decrypter(observer, config, { removePKCS7Padding: false });\n }\n\n decryptBuffer (encryptedData, callback) {\n this.decrypter.decrypt(encryptedData, this.decryptdata.key.buffer, this.decryptdata.iv.buffer, callback);\n }\n\n // AAC - encrypt all full 16 bytes blocks starting from offset 16\n decryptAacSample (samples, sampleIndex, callback, sync) {\n let curUnit = samples[sampleIndex].unit;\n let encryptedData = curUnit.subarray(16, curUnit.length - curUnit.length % 16);\n let encryptedBuffer = encryptedData.buffer.slice(\n encryptedData.byteOffset,\n encryptedData.byteOffset + encryptedData.length);\n\n let localthis = this;\n this.decryptBuffer(encryptedBuffer, function (decryptedData) {\n decryptedData = new Uint8Array(decryptedData);\n curUnit.set(decryptedData, 16);\n\n if (!sync) {\n localthis.decryptAacSamples(samples, sampleIndex + 1, callback);\n }\n });\n }\n\n decryptAacSamples (samples, sampleIndex, callback) {\n for (;; sampleIndex++) {\n if (sampleIndex >= samples.length) {\n callback();\n return;\n }\n\n if (samples[sampleIndex].unit.length < 32) {\n continue;\n }\n\n let sync = this.decrypter.isSync();\n\n this.decryptAacSample(samples, sampleIndex, callback, sync);\n\n if (!sync) {\n return;\n }\n }\n }\n\n // AVC - encrypt one 16 bytes block out of ten, starting from offset 32\n getAvcEncryptedData (decodedData) {\n let encryptedDataLen = Math.floor((decodedData.length - 48) / 160) * 16 + 16;\n let encryptedData = new Int8Array(encryptedDataLen);\n let outputPos = 0;\n for (let inputPos = 32; inputPos <= decodedData.length - 16; inputPos += 160, outputPos += 16) {\n encryptedData.set(decodedData.subarray(inputPos, inputPos + 16), outputPos);\n }\n\n return encryptedData;\n }\n\n getAvcDecryptedUnit (decodedData, decryptedData) {\n decryptedData = new Uint8Array(decryptedData);\n let inputPos = 0;\n for (let outputPos = 32; outputPos <= decodedData.length - 16; outputPos += 160, inputPos += 16) {\n decodedData.set(decryptedData.subarray(inputPos, inputPos + 16), outputPos);\n }\n\n return decodedData;\n }\n\n decryptAvcSample (samples, sampleIndex, unitIndex, callback, curUnit, sync) {\n let decodedData = this.discardEPB(curUnit.data);\n let encryptedData = this.getAvcEncryptedData(decodedData);\n let localthis = this;\n\n this.decryptBuffer(encryptedData.buffer, function (decryptedData) {\n curUnit.data = localthis.getAvcDecryptedUnit(decodedData, decryptedData);\n\n if (!sync) {\n localthis.decryptAvcSamples(samples, sampleIndex, unitIndex + 1, callback);\n }\n });\n }\n\n decryptAvcSamples (samples, sampleIndex, unitIndex, callback) {\n for (;; sampleIndex++, unitIndex = 0) {\n if (sampleIndex >= samples.length) {\n callback();\n return;\n }\n\n let curUnits = samples[sampleIndex].units;\n for (;; unitIndex++) {\n if (unitIndex >= curUnits.length) {\n break;\n }\n\n let curUnit = curUnits[unitIndex];\n if (curUnit.length <= 48 || (curUnit.type !== 1 && curUnit.type !== 5)) {\n continue;\n }\n\n let sync = this.decrypter.isSync();\n\n this.decryptAvcSample(samples, sampleIndex, unitIndex, callback, curUnit, sync);\n\n if (!sync) {\n return;\n }\n }\n }\n }\n}\n\nexport default SampleAesDecrypter;\n","/**\n * highly optimized TS demuxer:\n * parse PAT, PMT\n * extract PES packet from audio and video PIDs\n * extract AVC/H264 NAL units and AAC/ADTS samples from PES packet\n * trigger the remuxer upon parsing completion\n * it also tries to workaround as best as it can audio codec switch (HE-AAC to AAC and vice versa), without having to restart the MediaSource.\n * it also controls the remuxing process :\n * upon discontinuity or level switch detection, it will also notifies the remuxer so that it can reset its state.\n*/\n\nimport * as ADTS from './adts';\nimport MpegAudio from './mpegaudio';\nimport Event from '../events';\nimport ExpGolomb from './exp-golomb';\nimport SampleAesDecrypter from './sample-aes';\n// import Hex from '../utils/hex';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { utf8ArrayToStr } from './id3';\n\n// We are using fixed track IDs for driving the MP4 remuxer\n// instead of following the TS PIDs.\n// There is no reason not to do this and some browsers/SourceBuffer-demuxers\n// may not like if there are TrackID \"switches\"\n// See https://github.com/video-dev/hls.js/issues/1331\n// Here we are mapping our internal track types to constant MP4 track IDs\n// With MSE currently one can only have one track of each, and we are muxing\n// whatever video/audio rendition in them.\nconst RemuxerTrackIdConfig = {\n video: 1,\n audio: 2,\n id3: 3,\n text: 4\n};\n\nclass TSDemuxer {\n constructor (observer, remuxer, config, typeSupported) {\n this.observer = observer;\n this.config = config;\n this.typeSupported = typeSupported;\n this.remuxer = remuxer;\n this.sampleAes = null;\n }\n\n setDecryptData (decryptdata) {\n if ((decryptdata != null) && (decryptdata.key != null) && (decryptdata.method === 'SAMPLE-AES')) {\n this.sampleAes = new SampleAesDecrypter(this.observer, this.config, decryptdata, this.discardEPB);\n } else {\n this.sampleAes = null;\n }\n }\n\n static probe (data) {\n const syncOffset = TSDemuxer._syncOffset(data);\n if (syncOffset < 0) {\n return false;\n } else {\n if (syncOffset) {\n logger.warn(`MPEG2-TS detected but first sync word found @ offset ${syncOffset}, junk ahead ?`);\n }\n\n return true;\n }\n }\n\n static _syncOffset (data) {\n // scan 1000 first bytes\n const scanwindow = Math.min(1000, data.length - 3 * 188);\n let i = 0;\n while (i < scanwindow) {\n // a TS fragment should contain at least 3 TS packets, a PAT, a PMT, and one PID, each starting with 0x47\n if (data[i] === 0x47 && data[i + 188] === 0x47 && data[i + 2 * 188] === 0x47) {\n return i;\n } else {\n i++;\n }\n }\n return -1;\n }\n\n /**\n * Creates a track model internal to demuxer used to drive remuxing input\n *\n * @param {string} type 'audio' | 'video' | 'id3' | 'text'\n * @param {number} duration\n * @return {object} TSDemuxer's internal track model\n */\n static createTrack (type, duration) {\n return {\n container: type === 'video' || type === 'audio' ? 'video/mp2t' : undefined,\n type,\n id: RemuxerTrackIdConfig[type],\n pid: -1,\n inputTimeScale: 90000,\n sequenceNumber: 0,\n samples: [],\n dropped: type === 'video' ? 0 : undefined,\n isAAC: type === 'audio' ? true : undefined,\n duration: type === 'audio' ? duration : undefined\n };\n }\n\n /**\n * Initializes a new init segment on the demuxer/remuxer interface. Needed for discontinuities/track-switches (or at stream start)\n * Resets all internal track instances of the demuxer.\n *\n * @override Implements generic demuxing/remuxing interface (see DemuxerInline)\n * @param {object} initSegment\n * @param {string} audioCodec\n * @param {string} videoCodec\n * @param {number} duration (in TS timescale = 90kHz)\n */\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this.pmtParsed = false;\n this._pmtId = -1;\n\n this._avcTrack = TSDemuxer.createTrack('video', duration);\n this._audioTrack = TSDemuxer.createTrack('audio', duration);\n this._id3Track = TSDemuxer.createTrack('id3', duration);\n this._txtTrack = TSDemuxer.createTrack('text', duration);\n\n // flush any partial content\n this.aacOverFlow = null;\n this.aacLastPTS = null;\n this.avcSample = null;\n this.audioCodec = audioCodec;\n this.videoCodec = videoCodec;\n this._duration = duration;\n }\n\n /**\n *\n * @override\n */\n resetTimeStamp () {}\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let start, len = data.length, stt, pid, atf, offset, pes,\n unknownPIDs = false;\n this.contiguous = contiguous;\n let pmtParsed = this.pmtParsed,\n avcTrack = this._avcTrack,\n audioTrack = this._audioTrack,\n id3Track = this._id3Track,\n avcId = avcTrack.pid,\n audioId = audioTrack.pid,\n id3Id = id3Track.pid,\n pmtId = this._pmtId,\n avcData = avcTrack.pesData,\n audioData = audioTrack.pesData,\n id3Data = id3Track.pesData,\n parsePAT = this._parsePAT,\n parsePMT = this._parsePMT,\n parsePES = this._parsePES,\n parseAVCPES = this._parseAVCPES.bind(this),\n parseAACPES = this._parseAACPES.bind(this),\n parseMPEGPES = this._parseMPEGPES.bind(this),\n parseID3PES = this._parseID3PES.bind(this);\n\n const syncOffset = TSDemuxer._syncOffset(data);\n\n // don't parse last TS packet if incomplete\n len -= (len + syncOffset) % 188;\n\n // loop through TS packets\n for (start = syncOffset; start < len; start += 188) {\n if (data[start] === 0x47) {\n stt = !!(data[start + 1] & 0x40);\n // pid is a 13-bit field starting at the last bit of TS[1]\n pid = ((data[start + 1] & 0x1f) << 8) + data[start + 2];\n atf = (data[start + 3] & 0x30) >> 4;\n // if an adaption field is present, its length is specified by the fifth byte of the TS packet header.\n if (atf > 1) {\n offset = start + 5 + data[start + 4];\n // continue if there is only adaptation field\n if (offset === (start + 188)) {\n continue;\n }\n } else {\n offset = start + 4;\n }\n switch (pid) {\n case avcId:\n if (stt) {\n if (avcData && (pes = parsePES(avcData))) {\n parseAVCPES(pes, false);\n }\n\n avcData = { data: [], size: 0 };\n }\n if (avcData) {\n avcData.data.push(data.subarray(offset, start + 188));\n avcData.size += start + 188 - offset;\n }\n break;\n case audioId:\n if (stt) {\n if (audioData && (pes = parsePES(audioData))) {\n if (audioTrack.isAAC) {\n parseAACPES(pes);\n } else {\n parseMPEGPES(pes);\n }\n }\n audioData = { data: [], size: 0 };\n }\n if (audioData) {\n audioData.data.push(data.subarray(offset, start + 188));\n audioData.size += start + 188 - offset;\n }\n break;\n case id3Id:\n if (stt) {\n if (id3Data && (pes = parsePES(id3Data))) {\n parseID3PES(pes);\n }\n\n id3Data = { data: [], size: 0 };\n }\n if (id3Data) {\n id3Data.data.push(data.subarray(offset, start + 188));\n id3Data.size += start + 188 - offset;\n }\n break;\n case 0:\n if (stt) {\n offset += data[offset] + 1;\n }\n\n pmtId = this._pmtId = parsePAT(data, offset);\n break;\n case pmtId:\n if (stt) {\n offset += data[offset] + 1;\n }\n\n let parsedPIDs = parsePMT(data, offset, this.typeSupported.mpeg === true || this.typeSupported.mp3 === true, this.sampleAes != null);\n\n // only update track id if track PID found while parsing PMT\n // this is to avoid resetting the PID to -1 in case\n // track PID transiently disappears from the stream\n // this could happen in case of transient missing audio samples for example\n // NOTE this is only the PID of the track as found in TS,\n // but we are not using this for MP4 track IDs.\n avcId = parsedPIDs.avc;\n if (avcId > 0) {\n avcTrack.pid = avcId;\n }\n\n audioId = parsedPIDs.audio;\n if (audioId > 0) {\n audioTrack.pid = audioId;\n audioTrack.isAAC = parsedPIDs.isAAC;\n }\n id3Id = parsedPIDs.id3;\n if (id3Id > 0) {\n id3Track.pid = id3Id;\n }\n\n if (unknownPIDs && !pmtParsed) {\n logger.log('reparse from beginning');\n unknownPIDs = false;\n // we set it to -188, the += 188 in the for loop will reset start to 0\n start = syncOffset - 188;\n }\n pmtParsed = this.pmtParsed = true;\n break;\n case 17:\n case 0x1fff:\n break;\n default:\n unknownPIDs = true;\n break;\n }\n } else {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: false, reason: 'TS packet did not start with 0x47' });\n }\n }\n // try to parse last PES packets\n if (avcData && (pes = parsePES(avcData))) {\n parseAVCPES(pes, true);\n avcTrack.pesData = null;\n } else {\n // either avcData null or PES truncated, keep it for next frag parsing\n avcTrack.pesData = avcData;\n }\n\n if (audioData && (pes = parsePES(audioData))) {\n if (audioTrack.isAAC) {\n parseAACPES(pes);\n } else {\n parseMPEGPES(pes);\n }\n\n audioTrack.pesData = null;\n } else {\n if (audioData && audioData.size) {\n logger.log('last AAC PES packet truncated,might overlap between fragments');\n }\n\n // either audioData null or PES truncated, keep it for next frag parsing\n audioTrack.pesData = audioData;\n }\n\n if (id3Data && (pes = parsePES(id3Data))) {\n parseID3PES(pes);\n id3Track.pesData = null;\n } else {\n // either id3Data null or PES truncated, keep it for next frag parsing\n id3Track.pesData = id3Data;\n }\n\n if (this.sampleAes == null) {\n this.remuxer.remux(audioTrack, avcTrack, id3Track, this._txtTrack, timeOffset, contiguous, accurateTimeOffset);\n } else {\n this.decryptAndRemux(audioTrack, avcTrack, id3Track, this._txtTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n decryptAndRemux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n if (audioTrack.samples && audioTrack.isAAC) {\n let localthis = this;\n this.sampleAes.decryptAacSamples(audioTrack.samples, 0, function () {\n localthis.decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n });\n } else {\n this.decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n decryptAndRemuxAvc (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n if (videoTrack.samples) {\n let localthis = this;\n this.sampleAes.decryptAvcSamples(videoTrack.samples, 0, 0, function () {\n localthis.remuxer.remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n });\n } else {\n this.remuxer.remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n destroy () {\n this._initPTS = this._initDTS = undefined;\n this._duration = 0;\n }\n\n _parsePAT (data, offset) {\n // skip the PSI header and parse the first PMT entry\n return (data[offset + 10] & 0x1F) << 8 | data[offset + 11];\n // logger.log('PMT PID:' + this._pmtId);\n }\n\n _parsePMT (data, offset, mpegSupported, isSampleAes) {\n let sectionLength, tableEnd, programInfoLength, pid, result = { audio: -1, avc: -1, id3: -1, isAAC: true };\n sectionLength = (data[offset + 1] & 0x0f) << 8 | data[offset + 2];\n tableEnd = offset + 3 + sectionLength - 4;\n // to determine where the table is, we have to figure out how\n // long the program info descriptors are\n programInfoLength = (data[offset + 10] & 0x0f) << 8 | data[offset + 11];\n // advance the offset to the first entry in the mapping table\n offset += 12 + programInfoLength;\n while (offset < tableEnd) {\n pid = (data[offset + 1] & 0x1F) << 8 | data[offset + 2];\n switch (data[offset]) {\n case 0xcf: // SAMPLE-AES AAC\n if (!isSampleAes) {\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n /* falls through */\n\n // ISO/IEC 13818-7 ADTS AAC (MPEG-2 lower bit-rate audio)\n case 0x0f:\n // logger.log('AAC PID:' + pid);\n if (result.audio === -1) {\n result.audio = pid;\n }\n\n break;\n\n // Packetized metadata (ID3)\n case 0x15:\n // logger.log('ID3 PID:' + pid);\n if (result.id3 === -1) {\n result.id3 = pid;\n }\n\n break;\n\n case 0xdb: // SAMPLE-AES AVC\n if (!isSampleAes) {\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n /* falls through */\n\n // ITU-T Rec. H.264 and ISO/IEC 14496-10 (lower bit-rate video)\n case 0x1b:\n // logger.log('AVC PID:' + pid);\n if (result.avc === -1) {\n result.avc = pid;\n }\n\n break;\n\n // ISO/IEC 11172-3 (MPEG-1 audio)\n // or ISO/IEC 13818-3 (MPEG-2 halved sample rate audio)\n case 0x03:\n case 0x04:\n // logger.log('MPEG PID:' + pid);\n if (!mpegSupported) {\n logger.log('MPEG audio found, not supported in this browser for now');\n } else if (result.audio === -1) {\n result.audio = pid;\n result.isAAC = false;\n }\n break;\n\n case 0x24:\n logger.warn('HEVC stream type found, not supported for now');\n break;\n\n default:\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n // move to the next table entry\n // skip past the elementary stream descriptors, if present\n offset += ((data[offset + 3] & 0x0F) << 8 | data[offset + 4]) + 5;\n }\n return result;\n }\n\n _parsePES (stream) {\n let i = 0, frag, pesFlags, pesPrefix, pesLen, pesHdrLen, pesData, pesPts, pesDts, payloadStartOffset, data = stream.data;\n // safety check\n if (!stream || stream.size === 0) {\n return null;\n }\n\n // we might need up to 19 bytes to read PES header\n // if first chunk of data is less than 19 bytes, let's merge it with following ones until we get 19 bytes\n // usually only one merge is needed (and this is rare ...)\n while (data[0].length < 19 && data.length > 1) {\n let newData = new Uint8Array(data[0].length + data[1].length);\n newData.set(data[0]);\n newData.set(data[1], data[0].length);\n data[0] = newData;\n data.splice(1, 1);\n }\n // retrieve PTS/DTS from first fragment\n frag = data[0];\n pesPrefix = (frag[0] << 16) + (frag[1] << 8) + frag[2];\n if (pesPrefix === 1) {\n pesLen = (frag[4] << 8) + frag[5];\n // if PES parsed length is not zero and greater than total received length, stop parsing. PES might be truncated\n // minus 6 : PES header size\n if (pesLen && pesLen > stream.size - 6) {\n return null;\n }\n\n pesFlags = frag[7];\n if (pesFlags & 0xC0) {\n /* PES header described here : http://dvd.sourceforge.net/dvdinfo/pes-hdr.html\n as PTS / DTS is 33 bit we cannot use bitwise operator in JS,\n as Bitwise operators treat their operands as a sequence of 32 bits */\n pesPts = (frag[9] & 0x0E) * 536870912 +// 1 << 29\n (frag[10] & 0xFF) * 4194304 +// 1 << 22\n (frag[11] & 0xFE) * 16384 +// 1 << 14\n (frag[12] & 0xFF) * 128 +// 1 << 7\n (frag[13] & 0xFE) / 2;\n // check if greater than 2^32 -1\n if (pesPts > 4294967295) {\n // decrement 2^33\n pesPts -= 8589934592;\n }\n if (pesFlags & 0x40) {\n pesDts = (frag[14] & 0x0E) * 536870912 +// 1 << 29\n (frag[15] & 0xFF) * 4194304 +// 1 << 22\n (frag[16] & 0xFE) * 16384 +// 1 << 14\n (frag[17] & 0xFF) * 128 +// 1 << 7\n (frag[18] & 0xFE) / 2;\n // check if greater than 2^32 -1\n if (pesDts > 4294967295) {\n // decrement 2^33\n pesDts -= 8589934592;\n }\n if (pesPts - pesDts > 60 * 90000) {\n logger.warn(`${Math.round((pesPts - pesDts) / 90000)}s delta between PTS and DTS, align them`);\n pesPts = pesDts;\n }\n } else {\n pesDts = pesPts;\n }\n }\n pesHdrLen = frag[8];\n // 9 bytes : 6 bytes for PES header + 3 bytes for PES extension\n payloadStartOffset = pesHdrLen + 9;\n\n if (stream.size <= payloadStartOffset) {\n return null;\n }\n stream.size -= payloadStartOffset;\n // reassemble PES packet\n pesData = new Uint8Array(stream.size);\n for (let j = 0, dataLen = data.length; j < dataLen; j++) {\n frag = data[j];\n let len = frag.byteLength;\n if (payloadStartOffset) {\n if (payloadStartOffset > len) {\n // trim full frag if PES header bigger than frag\n payloadStartOffset -= len;\n continue;\n } else {\n // trim partial frag if PES header smaller than frag\n frag = frag.subarray(payloadStartOffset);\n len -= payloadStartOffset;\n payloadStartOffset = 0;\n }\n }\n pesData.set(frag, i);\n i += len;\n }\n if (pesLen) {\n // payload size : remove PES header + PES extension\n pesLen -= pesHdrLen + 3;\n }\n return { data: pesData, pts: pesPts, dts: pesDts, len: pesLen };\n } else {\n return null;\n }\n }\n\n pushAccesUnit (avcSample, avcTrack) {\n if (avcSample.units.length && avcSample.frame) {\n const samples = avcTrack.samples;\n const nbSamples = samples.length;\n // if sample does not have PTS/DTS, patch with last sample PTS/DTS\n if (isNaN(avcSample.pts)) {\n if (nbSamples) {\n const lastSample = samples[nbSamples - 1];\n avcSample.pts = lastSample.pts;\n avcSample.dts = lastSample.dts;\n } else {\n // dropping samples, no timestamp found\n avcTrack.dropped++;\n return;\n }\n }\n // only push AVC sample if starting with a keyframe is not mandatory OR\n // if keyframe already found in this fragment OR\n // keyframe found in last fragment (track.sps) AND\n // samples already appended (we already found a keyframe in this fragment) OR fragment is contiguous\n if (!this.config.forceKeyFrameOnDiscontinuity ||\n avcSample.key === true ||\n (avcTrack.sps && (nbSamples || this.contiguous))) {\n avcSample.id = nbSamples;\n samples.push(avcSample);\n } else {\n // dropped samples, track it\n avcTrack.dropped++;\n }\n }\n if (avcSample.debug.length) {\n logger.log(avcSample.pts + '/' + avcSample.dts + ':' + avcSample.debug);\n }\n }\n\n _parseAVCPES (pes, last) {\n // logger.log('parse new PES');\n let track = this._avcTrack,\n units = this._parseAVCNALu(pes.data),\n debug = false,\n expGolombDecoder,\n avcSample = this.avcSample,\n push,\n spsfound = false,\n i,\n pushAccesUnit = this.pushAccesUnit.bind(this),\n createAVCSample = function (key, pts, dts, debug) {\n return { key: key, pts: pts, dts: dts, units: [], debug: debug };\n };\n // free pes.data to save up some memory\n pes.data = null;\n\n // if new NAL units found and last sample still there, let's push ...\n // this helps parsing streams with missing AUD (only do this if AUD never found)\n if (avcSample && units.length && !track.audFound) {\n pushAccesUnit(avcSample, track);\n avcSample = this.avcSample = createAVCSample(false, pes.pts, pes.dts, '');\n }\n\n units.forEach(unit => {\n switch (unit.type) {\n // NDR\n case 1:\n push = true;\n if (!avcSample) {\n avcSample = this.avcSample = createAVCSample(true, pes.pts, pes.dts, '');\n }\n\n if (debug) {\n avcSample.debug += 'NDR ';\n }\n\n avcSample.frame = true;\n let data = unit.data;\n // only check slice type to detect KF in case SPS found in same packet (any keyframe is preceded by SPS ...)\n if (spsfound && data.length > 4) {\n // retrieve slice type by parsing beginning of NAL unit (follow H264 spec, slice_header definition) to detect keyframe embedded in NDR\n let sliceType = new ExpGolomb(data).readSliceType();\n // 2 : I slice, 4 : SI slice, 7 : I slice, 9: SI slice\n // SI slice : A slice that is coded using intra prediction only and using quantisation of the prediction samples.\n // An SI slice can be coded such that its decoded samples can be constructed identically to an SP slice.\n // I slice: A slice that is not an SI slice that is decoded using intra prediction only.\n // if (sliceType === 2 || sliceType === 7) {\n if (sliceType === 2 || sliceType === 4 || sliceType === 7 || sliceType === 9) {\n avcSample.key = true;\n }\n }\n break;\n // IDR\n case 5:\n push = true;\n // handle PES not starting with AUD\n if (!avcSample) {\n avcSample = this.avcSample = createAVCSample(true, pes.pts, pes.dts, '');\n }\n\n if (debug) {\n avcSample.debug += 'IDR ';\n }\n\n avcSample.key = true;\n avcSample.frame = true;\n break;\n // SEI\n case 6:\n push = true;\n if (debug && avcSample) {\n avcSample.debug += 'SEI ';\n }\n\n expGolombDecoder = new ExpGolomb(this.discardEPB(unit.data));\n\n // skip frameType\n expGolombDecoder.readUByte();\n\n var payloadType = 0;\n var payloadSize = 0;\n var endOfCaptions = false;\n var b = 0;\n\n while (!endOfCaptions && expGolombDecoder.bytesAvailable > 1) {\n payloadType = 0;\n do {\n b = expGolombDecoder.readUByte();\n payloadType += b;\n } while (b === 0xFF);\n\n // Parse payload size.\n payloadSize = 0;\n do {\n b = expGolombDecoder.readUByte();\n payloadSize += b;\n } while (b === 0xFF);\n\n // TODO: there can be more than one payload in an SEI packet...\n // TODO: need to read type and size in a while loop to get them all\n if (payloadType === 4 && expGolombDecoder.bytesAvailable !== 0) {\n endOfCaptions = true;\n\n let countryCode = expGolombDecoder.readUByte();\n\n if (countryCode === 181) {\n let providerCode = expGolombDecoder.readUShort();\n\n if (providerCode === 49) {\n let userStructure = expGolombDecoder.readUInt();\n\n if (userStructure === 0x47413934) {\n let userDataType = expGolombDecoder.readUByte();\n\n // Raw CEA-608 bytes wrapped in CEA-708 packet\n if (userDataType === 3) {\n let firstByte = expGolombDecoder.readUByte();\n let secondByte = expGolombDecoder.readUByte();\n\n let totalCCs = 31 & firstByte;\n let byteArray = [firstByte, secondByte];\n\n for (i = 0; i < totalCCs; i++) {\n // 3 bytes per CC\n byteArray.push(expGolombDecoder.readUByte());\n byteArray.push(expGolombDecoder.readUByte());\n byteArray.push(expGolombDecoder.readUByte());\n }\n\n this._insertSampleInOrder(this._txtTrack.samples, { type: 3, pts: pes.pts, bytes: byteArray });\n }\n }\n }\n }\n } else if (payloadType === 5 && expGolombDecoder.bytesAvailable !== 0) {\n endOfCaptions = true;\n\n if (payloadSize > 16) {\n const uuidStrArray = [];\n for (i = 0; i < 16; i++) {\n uuidStrArray.push(expGolombDecoder.readUByte().toString(16));\n\n if (i === 3 || i === 5 || i === 7 || i === 9) {\n uuidStrArray.push('-');\n }\n }\n const length = payloadSize - 16;\n const userDataPayloadBytes = new Uint8Array(length);\n for (i = 0; i < length; i++) {\n userDataPayloadBytes[i] = expGolombDecoder.readUByte();\n }\n\n this._insertSampleInOrder(this._txtTrack.samples, {\n pts: pes.pts,\n payloadType: payloadType,\n uuid: uuidStrArray.join(''),\n userDataBytes: userDataPayloadBytes,\n userData: utf8ArrayToStr(userDataPayloadBytes.buffer)\n });\n }\n } else if (payloadSize < expGolombDecoder.bytesAvailable) {\n for (i = 0; i < payloadSize; i++) {\n expGolombDecoder.readUByte();\n }\n }\n }\n break;\n // SPS\n case 7:\n push = true;\n spsfound = true;\n if (debug && avcSample) {\n avcSample.debug += 'SPS ';\n }\n\n if (!track.sps) {\n expGolombDecoder = new ExpGolomb(unit.data);\n let config = expGolombDecoder.readSPS();\n track.width = config.width;\n track.height = config.height;\n track.pixelRatio = config.pixelRatio;\n track.sps = [unit.data];\n track.duration = this._duration;\n let codecarray = unit.data.subarray(1, 4);\n let codecstring = 'avc1.';\n for (i = 0; i < 3; i++) {\n let h = codecarray[i].toString(16);\n if (h.length < 2) {\n h = '0' + h;\n }\n\n codecstring += h;\n }\n track.codec = codecstring;\n }\n break;\n // PPS\n case 8:\n push = true;\n if (debug && avcSample) {\n avcSample.debug += 'PPS ';\n }\n\n if (!track.pps) {\n track.pps = [unit.data];\n }\n\n break;\n // AUD\n case 9:\n push = false;\n track.audFound = true;\n if (avcSample) {\n pushAccesUnit(avcSample, track);\n }\n\n avcSample = this.avcSample = createAVCSample(false, pes.pts, pes.dts, debug ? 'AUD ' : '');\n break;\n // Filler Data\n case 12:\n push = false;\n break;\n default:\n push = false;\n if (avcSample) {\n avcSample.debug += 'unknown NAL ' + unit.type + ' ';\n }\n\n break;\n }\n if (avcSample && push) {\n let units = avcSample.units;\n units.push(unit);\n }\n });\n // if last PES packet, push samples\n if (last && avcSample) {\n pushAccesUnit(avcSample, track);\n this.avcSample = null;\n }\n }\n\n _insertSampleInOrder (arr, data) {\n let len = arr.length;\n if (len > 0) {\n if (data.pts >= arr[len - 1].pts) {\n arr.push(data);\n } else {\n for (let pos = len - 1; pos >= 0; pos--) {\n if (data.pts < arr[pos].pts) {\n arr.splice(pos, 0, data);\n break;\n }\n }\n }\n } else {\n arr.push(data);\n }\n }\n\n _getLastNalUnit () {\n let avcSample = this.avcSample, lastUnit;\n // try to fallback to previous sample if current one is empty\n if (!avcSample || avcSample.units.length === 0) {\n let track = this._avcTrack, samples = track.samples;\n avcSample = samples[samples.length - 1];\n }\n if (avcSample) {\n let units = avcSample.units;\n lastUnit = units[units.length - 1];\n }\n return lastUnit;\n }\n\n _parseAVCNALu (array) {\n let i = 0, len = array.byteLength, value, overflow, track = this._avcTrack, state = track.naluState || 0, lastState = state;\n let units = [], unit, unitType, lastUnitStart = -1, lastUnitType;\n // logger.log('PES:' + Hex.hexDump(array));\n\n if (state === -1) {\n // special use case where we found 3 or 4-byte start codes exactly at the end of previous PES packet\n lastUnitStart = 0;\n // NALu type is value read from offset 0\n lastUnitType = array[0] & 0x1f;\n state = 0;\n i = 1;\n }\n\n while (i < len) {\n value = array[i++];\n // optimization. state 0 and 1 are the predominant case. let's handle them outside of the switch/case\n if (!state) {\n state = value ? 0 : 1;\n continue;\n }\n if (state === 1) {\n state = value ? 0 : 2;\n continue;\n }\n // here we have state either equal to 2 or 3\n if (!value) {\n state = 3;\n } else if (value === 1) {\n if (lastUnitStart >= 0) {\n unit = { data: array.subarray(lastUnitStart, i - state - 1), type: lastUnitType };\n // logger.log('pushing NALU, type/size:' + unit.type + '/' + unit.data.byteLength);\n units.push(unit);\n } else {\n // lastUnitStart is undefined => this is the first start code found in this PES packet\n // first check if start code delimiter is overlapping between 2 PES packets,\n // ie it started in last packet (lastState not zero)\n // and ended at the beginning of this PES packet (i <= 4 - lastState)\n let lastUnit = this._getLastNalUnit();\n if (lastUnit) {\n if (lastState && (i <= 4 - lastState)) {\n // start delimiter overlapping between PES packets\n // strip start delimiter bytes from the end of last NAL unit\n // check if lastUnit had a state different from zero\n if (lastUnit.state) {\n // strip last bytes\n lastUnit.data = lastUnit.data.subarray(0, lastUnit.data.byteLength - lastState);\n }\n }\n // If NAL units are not starting right at the beginning of the PES packet, push preceding data into previous NAL unit.\n overflow = i - state - 1;\n if (overflow > 0) {\n // logger.log('first NALU found with overflow:' + overflow);\n let tmp = new Uint8Array(lastUnit.data.byteLength + overflow);\n tmp.set(lastUnit.data, 0);\n tmp.set(array.subarray(0, overflow), lastUnit.data.byteLength);\n lastUnit.data = tmp;\n }\n }\n }\n // check if we can read unit type\n if (i < len) {\n unitType = array[i] & 0x1f;\n // logger.log('find NALU @ offset:' + i + ',type:' + unitType);\n lastUnitStart = i;\n lastUnitType = unitType;\n state = 0;\n } else {\n // not enough byte to read unit type. let's read it on next PES parsing\n state = -1;\n }\n } else {\n state = 0;\n }\n }\n if (lastUnitStart >= 0 && state >= 0) {\n unit = { data: array.subarray(lastUnitStart, len), type: lastUnitType, state: state };\n units.push(unit);\n // logger.log('pushing NALU, type/size/state:' + unit.type + '/' + unit.data.byteLength + '/' + state);\n }\n // no NALu found\n if (units.length === 0) {\n // append pes.data to previous NAL unit\n let lastUnit = this._getLastNalUnit();\n if (lastUnit) {\n let tmp = new Uint8Array(lastUnit.data.byteLength + array.byteLength);\n tmp.set(lastUnit.data, 0);\n tmp.set(array, lastUnit.data.byteLength);\n lastUnit.data = tmp;\n }\n }\n track.naluState = state;\n return units;\n }\n\n /**\n * remove Emulation Prevention bytes from a RBSP\n */\n discardEPB (data) {\n let length = data.byteLength,\n EPBPositions = [],\n i = 1,\n newLength, newData;\n\n // Find all `Emulation Prevention Bytes`\n while (i < length - 2) {\n if (data[i] === 0 &&\n data[i + 1] === 0 &&\n data[i + 2] === 0x03) {\n EPBPositions.push(i + 2);\n i += 2;\n } else {\n i++;\n }\n }\n\n // If no Emulation Prevention Bytes were found just return the original\n // array\n if (EPBPositions.length === 0) {\n return data;\n }\n\n // Create a new array to hold the NAL unit data\n newLength = length - EPBPositions.length;\n newData = new Uint8Array(newLength);\n let sourceIndex = 0;\n\n for (i = 0; i < newLength; sourceIndex++, i++) {\n if (sourceIndex === EPBPositions[0]) {\n // Skip this byte\n sourceIndex++;\n // Remove this position index\n EPBPositions.shift();\n }\n newData[i] = data[sourceIndex];\n }\n return newData;\n }\n\n _parseAACPES (pes) {\n let track = this._audioTrack,\n data = pes.data,\n pts = pes.pts,\n startOffset = 0,\n aacOverFlow = this.aacOverFlow,\n aacLastPTS = this.aacLastPTS,\n frameDuration, frameIndex, offset, stamp, len;\n if (aacOverFlow) {\n let tmp = new Uint8Array(aacOverFlow.byteLength + data.byteLength);\n tmp.set(aacOverFlow, 0);\n tmp.set(data, aacOverFlow.byteLength);\n // logger.log(`AAC: append overflowing ${aacOverFlow.byteLength} bytes to beginning of new PES`);\n data = tmp;\n }\n // look for ADTS header (0xFFFx)\n for (offset = startOffset, len = data.length; offset < len - 1; offset++) {\n if (ADTS.isHeader(data, offset)) {\n break;\n }\n }\n // if ADTS header does not start straight from the beginning of the PES payload, raise an error\n if (offset) {\n let reason, fatal;\n if (offset < len - 1) {\n reason = `AAC PES did not start with ADTS header,offset:${offset}`;\n fatal = false;\n } else {\n reason = 'no ADTS header found in AAC PES';\n fatal = true;\n }\n logger.warn(`parsing error:${reason}`);\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: fatal, reason: reason });\n if (fatal) {\n return;\n }\n }\n\n ADTS.initTrackConfig(track, this.observer, data, offset, this.audioCodec);\n frameIndex = 0;\n frameDuration = ADTS.getFrameDuration(track.samplerate);\n\n // if last AAC frame is overflowing, we should ensure timestamps are contiguous:\n // first sample PTS should be equal to last sample PTS + frameDuration\n if (aacOverFlow && aacLastPTS) {\n let newPTS = aacLastPTS + frameDuration;\n if (Math.abs(newPTS - pts) > 1) {\n logger.log(`AAC: align PTS for overlapping frames by ${Math.round((newPTS - pts) / 90)}`);\n pts = newPTS;\n }\n }\n\n // scan for aac samples\n while (offset < len) {\n if (ADTS.isHeader(data, offset)) {\n if ((offset + 5) < len) {\n const frame = ADTS.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n continue;\n }\n }\n // We are at an ADTS header, but do not have enough data for a frame\n // Remaining data will be added to aacOverFlow\n break;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n if (offset < len) {\n aacOverFlow = data.subarray(offset, len);\n // logger.log(`AAC: overflow detected:${len-offset}`);\n } else {\n aacOverFlow = null;\n }\n\n this.aacOverFlow = aacOverFlow;\n this.aacLastPTS = stamp;\n }\n\n _parseMPEGPES (pes) {\n let data = pes.data;\n let length = data.length;\n let frameIndex = 0;\n let offset = 0;\n let pts = pes.pts;\n\n while (offset < length) {\n if (MpegAudio.isHeader(data, offset)) {\n let frame = MpegAudio.appendFrame(this._audioTrack, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n frameIndex++;\n } else {\n // logger.log('Unable to parse Mpeg audio frame');\n break;\n }\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n }\n\n _parseID3PES (pes) {\n this._id3Track.samples.push(pes);\n }\n}\n\nexport default TSDemuxer;\n","/**\n * MP3 demuxer\n */\nimport ID3 from '../demux/id3';\nimport { logger } from '../utils/logger';\nimport MpegAudio from './mpegaudio';\n\nclass MP3Demuxer {\n constructor (observer, remuxer, config) {\n this.observer = observer;\n this.config = config;\n this.remuxer = remuxer;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this._audioTrack = { container: 'audio/mpeg', type: 'audio', id: -1, sequenceNumber: 0, isAAC: false, samples: [], len: 0, manifestCodec: audioCodec, duration: duration, inputTimeScale: 90000 };\n }\n\n resetTimeStamp () {\n }\n\n static probe (data) {\n // check if data contains ID3 timestamp and MPEG sync word\n let offset, length;\n let id3Data = ID3.getID3Data(data, 0);\n if (id3Data && ID3.getTimeStamp(id3Data) !== undefined) {\n // Look for MPEG header | 1111 1111 | 111X XYZX | where X can be either 0 or 1 and Y or Z should be 1\n // Layer bits (position 14 and 15) in header should be always different from 0 (Layer I or Layer II or Layer III)\n // More info http://www.mp3-tech.org/programmer/frame_header.html\n for (offset = id3Data.length, length = Math.min(data.length - 1, offset + 100); offset < length; offset++) {\n if (MpegAudio.probe(data, offset)) {\n logger.log('MPEG Audio sync word found !');\n return true;\n }\n }\n }\n return false;\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let id3Data = ID3.getID3Data(data, 0);\n let timestamp = ID3.getTimeStamp(id3Data);\n let pts = timestamp ? 90 * timestamp : timeOffset * 90000;\n let offset = id3Data.length;\n let length = data.length;\n let frameIndex = 0, stamp = 0;\n let track = this._audioTrack;\n\n let id3Samples = [{ pts: pts, dts: pts, data: id3Data }];\n\n while (offset < length) {\n if (MpegAudio.isHeader(data, offset)) {\n let frame = MpegAudio.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n } else {\n // logger.log('Unable to parse Mpeg audio frame');\n break;\n }\n } else if (ID3.isHeader(data, offset)) {\n id3Data = ID3.getID3Data(data, offset);\n id3Samples.push({ pts: stamp, dts: stamp, data: id3Data });\n offset += id3Data.length;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n this.remuxer.remux(track,\n { samples: [] },\n { samples: id3Samples, inputTimeScale: 90000 },\n { samples: [] },\n timeOffset,\n contiguous,\n accurateTimeOffset);\n }\n\n destroy () {\n }\n}\n\nexport default MP3Demuxer;\n","/**\n * AAC helper\n */\n\nclass AAC {\n static getSilentFrame (codec, channelCount) {\n switch (codec) {\n case 'mp4a.40.2':\n if (channelCount === 1) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x23, 0x80]);\n } else if (channelCount === 2) {\n return new Uint8Array([0x21, 0x00, 0x49, 0x90, 0x02, 0x19, 0x00, 0x23, 0x80]);\n } else if (channelCount === 3) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x8e]);\n } else if (channelCount === 4) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x80, 0x2c, 0x80, 0x08, 0x02, 0x38]);\n } else if (channelCount === 5) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x38]);\n } else if (channelCount === 6) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x00, 0xb2, 0x00, 0x20, 0x08, 0xe0]);\n }\n\n break;\n // handle HE-AAC below (mp4a.40.5 / mp4a.40.29)\n default:\n if (channelCount === 1) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0:d=0.05\" -c:a libfdk_aac -profile:a aac_he -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x4e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x1c, 0x6, 0xf1, 0xc1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n } else if (channelCount === 2) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0|0:d=0.05\" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n } else if (channelCount === 3) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0|0|0:d=0.05\" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n }\n break;\n }\n return null;\n }\n}\n\nexport default AAC;\n","/**\n * Generate MP4 Box\n*/\n\nconst UINT32_MAX = Math.pow(2, 32) - 1;\n\nclass MP4 {\n static init () {\n MP4.types = {\n avc1: [], // codingname\n avcC: [],\n btrt: [],\n dinf: [],\n dref: [],\n esds: [],\n ftyp: [],\n hdlr: [],\n mdat: [],\n mdhd: [],\n mdia: [],\n mfhd: [],\n minf: [],\n moof: [],\n moov: [],\n mp4a: [],\n '.mp3': [],\n mvex: [],\n mvhd: [],\n pasp: [],\n sdtp: [],\n stbl: [],\n stco: [],\n stsc: [],\n stsd: [],\n stsz: [],\n stts: [],\n tfdt: [],\n tfhd: [],\n traf: [],\n trak: [],\n trun: [],\n trex: [],\n tkhd: [],\n vmhd: [],\n smhd: []\n };\n\n let i;\n for (i in MP4.types) {\n if (MP4.types.hasOwnProperty(i)) {\n MP4.types[i] = [\n i.charCodeAt(0),\n i.charCodeAt(1),\n i.charCodeAt(2),\n i.charCodeAt(3)\n ];\n }\n }\n\n let videoHdlr = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0x76, 0x69, 0x64, 0x65, // handler_type: 'vide'\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x56, 0x69, 0x64, 0x65,\n 0x6f, 0x48, 0x61, 0x6e,\n 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'VideoHandler'\n ]);\n\n let audioHdlr = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0x73, 0x6f, 0x75, 0x6e, // handler_type: 'soun'\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x53, 0x6f, 0x75, 0x6e,\n 0x64, 0x48, 0x61, 0x6e,\n 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'SoundHandler'\n ]);\n\n MP4.HDLR_TYPES = {\n 'video': videoHdlr,\n 'audio': audioHdlr\n };\n\n let dref = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x01, // entry_count\n 0x00, 0x00, 0x00, 0x0c, // entry_size\n 0x75, 0x72, 0x6c, 0x20, // 'url' type\n 0x00, // version 0\n 0x00, 0x00, 0x01 // entry_flags\n ]);\n\n let stco = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00 // entry_count\n ]);\n\n MP4.STTS = MP4.STSC = MP4.STCO = stco;\n\n MP4.STSZ = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // sample_size\n 0x00, 0x00, 0x00, 0x00 // sample_count\n ]);\n MP4.VMHD = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x01, // flags\n 0x00, 0x00, // graphicsmode\n 0x00, 0x00,\n 0x00, 0x00,\n 0x00, 0x00 // opcolor\n ]);\n MP4.SMHD = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, // balance\n 0x00, 0x00 // reserved\n ]);\n\n MP4.STSD = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x01]);// entry_count\n\n let majorBrand = new Uint8Array([105, 115, 111, 109]); // isom\n let avc1Brand = new Uint8Array([97, 118, 99, 49]); // avc1\n let minorVersion = new Uint8Array([0, 0, 0, 1]);\n\n MP4.FTYP = MP4.box(MP4.types.ftyp, majorBrand, minorVersion, majorBrand, avc1Brand);\n MP4.DINF = MP4.box(MP4.types.dinf, MP4.box(MP4.types.dref, dref));\n }\n\n static box (type) {\n let\n payload = Array.prototype.slice.call(arguments, 1),\n size = 8,\n i = payload.length,\n len = i,\n result;\n // calculate the total size we need to allocate\n while (i--) {\n size += payload[i].byteLength;\n }\n\n result = new Uint8Array(size);\n result[0] = (size >> 24) & 0xff;\n result[1] = (size >> 16) & 0xff;\n result[2] = (size >> 8) & 0xff;\n result[3] = size & 0xff;\n result.set(type, 4);\n // copy the payload into the result\n for (i = 0, size = 8; i < len; i++) {\n // copy payload[i] array @ offset size\n result.set(payload[i], size);\n size += payload[i].byteLength;\n }\n return result;\n }\n\n static hdlr (type) {\n return MP4.box(MP4.types.hdlr, MP4.HDLR_TYPES[type]);\n }\n\n static mdat (data) {\n return MP4.box(MP4.types.mdat, data);\n }\n\n static mdhd (timescale, duration) {\n duration *= timescale;\n const upperWordDuration = Math.floor(duration / (UINT32_MAX + 1));\n const lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n return MP4.box(MP4.types.mdhd, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (timescale >> 24) & 0xFF,\n (timescale >> 16) & 0xFF,\n (timescale >> 8) & 0xFF,\n timescale & 0xFF, // timescale\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x55, 0xc4, // 'und' language (undetermined)\n 0x00, 0x00\n ]));\n }\n\n static mdia (track) {\n return MP4.box(MP4.types.mdia, MP4.mdhd(track.timescale, track.duration), MP4.hdlr(track.type), MP4.minf(track));\n }\n\n static mfhd (sequenceNumber) {\n return MP4.box(MP4.types.mfhd, new Uint8Array([\n 0x00,\n 0x00, 0x00, 0x00, // flags\n (sequenceNumber >> 24),\n (sequenceNumber >> 16) & 0xFF,\n (sequenceNumber >> 8) & 0xFF,\n sequenceNumber & 0xFF // sequence_number\n ]));\n }\n\n static minf (track) {\n if (track.type === 'audio') {\n return MP4.box(MP4.types.minf, MP4.box(MP4.types.smhd, MP4.SMHD), MP4.DINF, MP4.stbl(track));\n } else {\n return MP4.box(MP4.types.minf, MP4.box(MP4.types.vmhd, MP4.VMHD), MP4.DINF, MP4.stbl(track));\n }\n }\n\n static moof (sn, baseMediaDecodeTime, track) {\n return MP4.box(MP4.types.moof, MP4.mfhd(sn), MP4.traf(track, baseMediaDecodeTime));\n }\n /**\n * @param tracks... (optional) {array} the tracks associated with this movie\n */\n static moov (tracks) {\n let\n i = tracks.length,\n boxes = [];\n\n while (i--) {\n boxes[i] = MP4.trak(tracks[i]);\n }\n\n return MP4.box.apply(null, [MP4.types.moov, MP4.mvhd(tracks[0].timescale, tracks[0].duration)].concat(boxes).concat(MP4.mvex(tracks)));\n }\n\n static mvex (tracks) {\n let\n i = tracks.length,\n boxes = [];\n\n while (i--) {\n boxes[i] = MP4.trex(tracks[i]);\n }\n\n return MP4.box.apply(null, [MP4.types.mvex].concat(boxes));\n }\n\n static mvhd (timescale, duration) {\n duration *= timescale;\n const upperWordDuration = Math.floor(duration / (UINT32_MAX + 1));\n const lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n let\n bytes = new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (timescale >> 24) & 0xFF,\n (timescale >> 16) & 0xFF,\n (timescale >> 8) & 0xFF,\n timescale & 0xFF, // timescale\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x00, 0x01, 0x00, 0x00, // 1.0 rate\n 0x01, 0x00, // 1.0 volume\n 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0xff, 0xff, 0xff, 0xff // next_track_ID\n ]);\n return MP4.box(MP4.types.mvhd, bytes);\n }\n\n static sdtp (track) {\n let\n samples = track.samples || [],\n bytes = new Uint8Array(4 + samples.length),\n flags,\n i;\n // leave the full box header (4 bytes) all zero\n // write the sample table\n for (i = 0; i < samples.length; i++) {\n flags = samples[i].flags;\n bytes[i + 4] = (flags.dependsOn << 4) |\n (flags.isDependedOn << 2) |\n (flags.hasRedundancy);\n }\n\n return MP4.box(MP4.types.sdtp, bytes);\n }\n\n static stbl (track) {\n return MP4.box(MP4.types.stbl, MP4.stsd(track), MP4.box(MP4.types.stts, MP4.STTS), MP4.box(MP4.types.stsc, MP4.STSC), MP4.box(MP4.types.stsz, MP4.STSZ), MP4.box(MP4.types.stco, MP4.STCO));\n }\n\n static avc1 (track) {\n let sps = [], pps = [], i, data, len;\n // assemble the SPSs\n\n for (i = 0; i < track.sps.length; i++) {\n data = track.sps[i];\n len = data.byteLength;\n sps.push((len >>> 8) & 0xFF);\n sps.push((len & 0xFF));\n\n // SPS\n sps = sps.concat(Array.prototype.slice.call(data));\n }\n\n // assemble the PPSs\n for (i = 0; i < track.pps.length; i++) {\n data = track.pps[i];\n len = data.byteLength;\n pps.push((len >>> 8) & 0xFF);\n pps.push((len & 0xFF));\n\n pps = pps.concat(Array.prototype.slice.call(data));\n }\n\n let avcc = MP4.box(MP4.types.avcC, new Uint8Array([\n 0x01, // version\n sps[3], // profile\n sps[4], // profile compat\n sps[5], // level\n 0xfc | 3, // lengthSizeMinusOne, hard-coded to 4 bytes\n 0xE0 | track.sps.length // 3bit reserved (111) + numOfSequenceParameterSets\n ].concat(sps).concat([\n track.pps.length // numOfPictureParameterSets\n ]).concat(pps))), // \"PPS\"\n width = track.width,\n height = track.height,\n hSpacing = track.pixelRatio[0],\n vSpacing = track.pixelRatio[1];\n\n return MP4.box(MP4.types.avc1, new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, // pre_defined\n 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n (width >> 8) & 0xFF,\n width & 0xff, // width\n (height >> 8) & 0xFF,\n height & 0xff, // height\n 0x00, 0x48, 0x00, 0x00, // horizresolution\n 0x00, 0x48, 0x00, 0x00, // vertresolution\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // frame_count\n 0x12,\n 0x64, 0x61, 0x69, 0x6C, // dailymotion/hls.js\n 0x79, 0x6D, 0x6F, 0x74,\n 0x69, 0x6F, 0x6E, 0x2F,\n 0x68, 0x6C, 0x73, 0x2E,\n 0x6A, 0x73, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, // compressorname\n 0x00, 0x18, // depth = 24\n 0x11, 0x11]), // pre_defined = -1\n avcc,\n MP4.box(MP4.types.btrt, new Uint8Array([\n 0x00, 0x1c, 0x9c, 0x80, // bufferSizeDB\n 0x00, 0x2d, 0xc6, 0xc0, // maxBitrate\n 0x00, 0x2d, 0xc6, 0xc0])), // avgBitrate\n MP4.box(MP4.types.pasp, new Uint8Array([\n (hSpacing >> 24), // hSpacing\n (hSpacing >> 16) & 0xFF,\n (hSpacing >> 8) & 0xFF,\n hSpacing & 0xFF,\n (vSpacing >> 24), // vSpacing\n (vSpacing >> 16) & 0xFF,\n (vSpacing >> 8) & 0xFF,\n vSpacing & 0xFF]))\n );\n }\n\n static esds (track) {\n let configlen = track.config.length;\n return new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n\n 0x03, // descriptor_type\n 0x17 + configlen, // length\n 0x00, 0x01, // es_id\n 0x00, // stream_priority\n\n 0x04, // descriptor_type\n 0x0f + configlen, // length\n 0x40, // codec : mpeg4_audio\n 0x15, // stream_type\n 0x00, 0x00, 0x00, // buffer_size\n 0x00, 0x00, 0x00, 0x00, // maxBitrate\n 0x00, 0x00, 0x00, 0x00, // avgBitrate\n\n 0x05 // descriptor_type\n ].concat([configlen]).concat(track.config).concat([0x06, 0x01, 0x02])); // GASpecificConfig)); // length + audio config descriptor\n }\n\n static mp4a (track) {\n let samplerate = track.samplerate;\n return MP4.box(MP4.types.mp4a, new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, track.channelCount, // channelcount\n 0x00, 0x10, // sampleSize:16bits\n 0x00, 0x00, 0x00, 0x00, // reserved2\n (samplerate >> 8) & 0xFF,\n samplerate & 0xff, //\n 0x00, 0x00]),\n MP4.box(MP4.types.esds, MP4.esds(track)));\n }\n\n static mp3 (track) {\n let samplerate = track.samplerate;\n return MP4.box(MP4.types['.mp3'], new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, track.channelCount, // channelcount\n 0x00, 0x10, // sampleSize:16bits\n 0x00, 0x00, 0x00, 0x00, // reserved2\n (samplerate >> 8) & 0xFF,\n samplerate & 0xff, //\n 0x00, 0x00]));\n }\n\n static stsd (track) {\n if (track.type === 'audio') {\n if (!track.isAAC && track.codec === 'mp3') {\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp3(track));\n }\n\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp4a(track));\n } else {\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.avc1(track));\n }\n }\n\n static tkhd (track) {\n let id = track.id,\n duration = track.duration * track.timescale,\n width = track.width,\n height = track.height,\n upperWordDuration = Math.floor(duration / (UINT32_MAX + 1)),\n lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n return MP4.box(MP4.types.tkhd, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x07, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (id >> 24) & 0xFF,\n (id >> 16) & 0xFF,\n (id >> 8) & 0xFF,\n id & 0xFF, // track_ID\n 0x00, 0x00, 0x00, 0x00, // reserved\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, // layer\n 0x00, 0x00, // alternate_group\n 0x00, 0x00, // non-audio track volume\n 0x00, 0x00, // reserved\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n (width >> 8) & 0xFF,\n width & 0xFF,\n 0x00, 0x00, // width\n (height >> 8) & 0xFF,\n height & 0xFF,\n 0x00, 0x00 // height\n ]));\n }\n\n static traf (track, baseMediaDecodeTime) {\n let sampleDependencyTable = MP4.sdtp(track),\n id = track.id,\n upperWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1)),\n lowerWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1));\n return MP4.box(MP4.types.traf,\n MP4.box(MP4.types.tfhd, new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n (id >> 24),\n (id >> 16) & 0XFF,\n (id >> 8) & 0XFF,\n (id & 0xFF) // track_ID\n ])),\n MP4.box(MP4.types.tfdt, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n (upperWordBaseMediaDecodeTime >> 24),\n (upperWordBaseMediaDecodeTime >> 16) & 0XFF,\n (upperWordBaseMediaDecodeTime >> 8) & 0XFF,\n (upperWordBaseMediaDecodeTime & 0xFF),\n (lowerWordBaseMediaDecodeTime >> 24),\n (lowerWordBaseMediaDecodeTime >> 16) & 0XFF,\n (lowerWordBaseMediaDecodeTime >> 8) & 0XFF,\n (lowerWordBaseMediaDecodeTime & 0xFF)\n ])),\n MP4.trun(track,\n sampleDependencyTable.length +\n 16 + // tfhd\n 20 + // tfdt\n 8 + // traf header\n 16 + // mfhd\n 8 + // moof header\n 8), // mdat header\n sampleDependencyTable);\n }\n\n /**\n * Generate a track box.\n * @param track {object} a track definition\n * @return {Uint8Array} the track box\n */\n static trak (track) {\n track.duration = track.duration || 0xffffffff;\n return MP4.box(MP4.types.trak, MP4.tkhd(track), MP4.mdia(track));\n }\n\n static trex (track) {\n let id = track.id;\n return MP4.box(MP4.types.trex, new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n (id >> 24),\n (id >> 16) & 0XFF,\n (id >> 8) & 0XFF,\n (id & 0xFF), // track_ID\n 0x00, 0x00, 0x00, 0x01, // default_sample_description_index\n 0x00, 0x00, 0x00, 0x00, // default_sample_duration\n 0x00, 0x00, 0x00, 0x00, // default_sample_size\n 0x00, 0x01, 0x00, 0x01 // default_sample_flags\n ]));\n }\n\n static trun (track, offset) {\n let samples = track.samples || [],\n len = samples.length,\n arraylen = 12 + (16 * len),\n array = new Uint8Array(arraylen),\n i, sample, duration, size, flags, cts;\n offset += 8 + arraylen;\n array.set([\n 0x00, // version 0\n 0x00, 0x0f, 0x01, // flags\n (len >>> 24) & 0xFF,\n (len >>> 16) & 0xFF,\n (len >>> 8) & 0xFF,\n len & 0xFF, // sample_count\n (offset >>> 24) & 0xFF,\n (offset >>> 16) & 0xFF,\n (offset >>> 8) & 0xFF,\n offset & 0xFF // data_offset\n ], 0);\n for (i = 0; i < len; i++) {\n sample = samples[i];\n duration = sample.duration;\n size = sample.size;\n flags = sample.flags;\n cts = sample.cts;\n array.set([\n (duration >>> 24) & 0xFF,\n (duration >>> 16) & 0xFF,\n (duration >>> 8) & 0xFF,\n duration & 0xFF, // sample_duration\n (size >>> 24) & 0xFF,\n (size >>> 16) & 0xFF,\n (size >>> 8) & 0xFF,\n size & 0xFF, // sample_size\n (flags.isLeading << 2) | flags.dependsOn,\n (flags.isDependedOn << 6) |\n (flags.hasRedundancy << 4) |\n (flags.paddingValue << 1) |\n flags.isNonSync,\n flags.degradPrio & 0xF0 << 8,\n flags.degradPrio & 0x0F, // sample_flags\n (cts >>> 24) & 0xFF,\n (cts >>> 16) & 0xFF,\n (cts >>> 8) & 0xFF,\n cts & 0xFF // sample_composition_time_offset\n ], 12 + 16 * i);\n }\n return MP4.box(MP4.types.trun, array);\n }\n\n static initSegment (tracks) {\n if (!MP4.types) {\n MP4.init();\n }\n\n let movie = MP4.moov(tracks), result;\n result = new Uint8Array(MP4.FTYP.byteLength + movie.byteLength);\n result.set(MP4.FTYP);\n result.set(movie, MP4.FTYP.byteLength);\n return result;\n }\n}\n\nexport default MP4;\n","const MPEG_TS_CLOCK_FREQ_HZ = 90000;\n\nexport function toTimescaleFromScale (value, destScale: number, srcScale: number = 1, round: boolean = false): number {\n return toTimescaleFromBase(value, destScale, 1 / srcScale);\n}\n\nexport function toTimescaleFromBase (value, destScale: number, srcBase: number = 1, round: boolean = false): number {\n const result = value * destScale * srcBase; // equivalent to `(value * scale) / (1 / base)`\n return round ? Math.round(result) : result;\n}\n\nexport function toMsFromMpegTsClock (value: number, round: boolean = false): number {\n return toTimescaleFromBase(value, 1000, 1 / MPEG_TS_CLOCK_FREQ_HZ, round);\n}\n\nexport function toMpegTsClockFromTimescale (value: number, srcScale: number = 1): number {\n return toTimescaleFromBase(value, MPEG_TS_CLOCK_FREQ_HZ, 1 / srcScale);\n}\n","/**\n * fMP4 remuxer\n*/\n\nimport AAC from './aac-helper';\nimport MP4 from './mp4-generator';\n\nimport Event from '../events';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\nimport { toMsFromMpegTsClock, toMpegTsClockFromTimescale, toTimescaleFromScale } from '../utils/timescale-conversion';\n\nimport { logger } from '../utils/logger';\n\nconst MAX_SILENT_FRAME_DURATION_90KHZ = toMpegTsClockFromTimescale(10);\nconst PTS_DTS_SHIFT_TOLERANCE_90KHZ = toMpegTsClockFromTimescale(0.2);\n\nclass MP4Remuxer {\n constructor (observer, config, typeSupported, vendor) {\n this.observer = observer;\n this.config = config;\n this.typeSupported = typeSupported;\n const userAgent = navigator.userAgent;\n this.isSafari = vendor && vendor.indexOf('Apple') > -1 && userAgent && !userAgent.match('CriOS');\n this.ISGenerated = false;\n }\n\n destroy () {\n }\n\n resetTimeStamp (defaultTimeStamp) {\n this._initPTS = this._initDTS = defaultTimeStamp;\n }\n\n resetInitSegment () {\n this.ISGenerated = false;\n }\n\n remux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n // generate Init Segment if needed\n if (!this.ISGenerated) {\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n\n if (this.ISGenerated) {\n const nbAudioSamples = audioTrack.samples.length;\n const nbVideoSamples = videoTrack.samples.length;\n let audioTimeOffset = timeOffset;\n let videoTimeOffset = timeOffset;\n if (nbAudioSamples && nbVideoSamples) {\n // timeOffset is expected to be the offset of the first timestamp of this fragment (first DTS)\n // if first audio DTS is not aligned with first video DTS then we need to take that into account\n // when providing timeOffset to remuxAudio / remuxVideo. if we don't do that, there might be a permanent / small\n // drift between audio and video streams\n let audiovideoDeltaDts = (audioTrack.samples[0].pts - videoTrack.samples[0].pts) / videoTrack.inputTimeScale;\n audioTimeOffset += Math.max(0, audiovideoDeltaDts);\n videoTimeOffset += Math.max(0, -audiovideoDeltaDts);\n }\n // Purposefully remuxing audio before video, so that remuxVideo can use nextAudioPts, which is\n // calculated in remuxAudio.\n // logger.log('nb AAC samples:' + audioTrack.samples.length);\n if (nbAudioSamples) {\n // if initSegment was generated without video samples, regenerate it again\n if (!audioTrack.timescale) {\n logger.warn('regenerate InitSegment as audio detected');\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n let audioData = this.remuxAudio(audioTrack, audioTimeOffset, contiguous, accurateTimeOffset);\n // logger.log('nb AVC samples:' + videoTrack.samples.length);\n if (nbVideoSamples) {\n let audioTrackLength;\n if (audioData) {\n audioTrackLength = audioData.endPTS - audioData.startPTS;\n }\n\n // if initSegment was generated without video samples, regenerate it again\n if (!videoTrack.timescale) {\n logger.warn('regenerate InitSegment as video detected');\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n this.remuxVideo(videoTrack, videoTimeOffset, contiguous, audioTrackLength, accurateTimeOffset);\n }\n } else {\n // logger.log('nb AVC samples:' + videoTrack.samples.length);\n if (nbVideoSamples) {\n let videoData = this.remuxVideo(videoTrack, videoTimeOffset, contiguous, 0, accurateTimeOffset);\n if (videoData && audioTrack.codec) {\n this.remuxEmptyAudio(audioTrack, audioTimeOffset, contiguous, videoData);\n }\n }\n }\n }\n // logger.log('nb ID3 samples:' + audioTrack.samples.length);\n if (id3Track.samples.length) {\n this.remuxID3(id3Track, timeOffset);\n }\n\n // logger.log('nb ID3 samples:' + audioTrack.samples.length);\n if (textTrack.samples.length) {\n this.remuxText(textTrack, timeOffset);\n }\n\n // notify end of parsing\n this.observer.trigger(Event.FRAG_PARSED);\n }\n\n generateIS (audioTrack, videoTrack, timeOffset) {\n let observer = this.observer,\n audioSamples = audioTrack.samples,\n videoSamples = videoTrack.samples,\n typeSupported = this.typeSupported,\n container = 'audio/mp4',\n tracks = {},\n data = { tracks: tracks },\n computePTSDTS = (this._initPTS === undefined),\n initPTS, initDTS;\n\n if (computePTSDTS) {\n initPTS = initDTS = Infinity;\n }\n\n if (audioTrack.config && audioSamples.length) {\n // let's use audio sampling rate as MP4 time scale.\n // rationale is that there is a integer nb of audio frames per audio sample (1024 for AAC)\n // using audio sampling rate here helps having an integer MP4 frame duration\n // this avoids potential rounding issue and AV sync issue\n audioTrack.timescale = audioTrack.samplerate;\n logger.log(`audio sampling rate : ${audioTrack.samplerate}`);\n if (!audioTrack.isAAC) {\n if (typeSupported.mpeg) { // Chrome and Safari\n container = 'audio/mpeg';\n audioTrack.codec = '';\n } else if (typeSupported.mp3) { // Firefox\n audioTrack.codec = 'mp3';\n }\n }\n tracks.audio = {\n container: container,\n codec: audioTrack.codec,\n initSegment: !audioTrack.isAAC && typeSupported.mpeg ? new Uint8Array() : MP4.initSegment([audioTrack]),\n metadata: {\n channelCount: audioTrack.channelCount\n }\n };\n if (computePTSDTS) {\n // remember first PTS of this demuxing context. for audio, PTS = DTS\n initPTS = initDTS = audioSamples[0].pts - audioTrack.inputTimeScale * timeOffset;\n }\n }\n\n if (videoTrack.sps && videoTrack.pps && videoSamples.length) {\n // let's use input time scale as MP4 video timescale\n // we use input time scale straight away to avoid rounding issues on frame duration / cts computation\n const inputTimeScale = videoTrack.inputTimeScale;\n videoTrack.timescale = inputTimeScale;\n tracks.video = {\n container: 'video/mp4',\n codec: videoTrack.codec,\n initSegment: MP4.initSegment([videoTrack]),\n metadata: {\n width: videoTrack.width,\n height: videoTrack.height\n }\n };\n if (computePTSDTS) {\n initPTS = Math.min(initPTS, videoSamples[0].pts - inputTimeScale * timeOffset);\n initDTS = Math.min(initDTS, videoSamples[0].dts - inputTimeScale * timeOffset);\n this.observer.trigger(Event.INIT_PTS_FOUND, { initPTS: initPTS });\n }\n }\n\n if (Object.keys(tracks).length) {\n observer.trigger(Event.FRAG_PARSING_INIT_SEGMENT, data);\n this.ISGenerated = true;\n if (computePTSDTS) {\n this._initPTS = initPTS;\n this._initDTS = initDTS;\n }\n } else {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: false, reason: 'no audio/video samples found' });\n }\n }\n\n remuxVideo (track, timeOffset, contiguous, audioTrackLength, accurateTimeOffset) {\n let offset = 8;\n let mp4SampleDuration;\n let mdat;\n let moof;\n let firstPTS;\n let firstDTS;\n let lastPTS;\n let lastDTS;\n const timeScale = track.timescale;\n const inputSamples = track.samples;\n const outputSamples = [];\n const nbSamples = inputSamples.length;\n const ptsNormalize = this._PTSNormalize;\n const initPTS = this._initPTS;\n\n // if parsed fragment is contiguous with last one, let's use last DTS value as reference\n let nextAvcDts = this.nextAvcDts;\n\n const isSafari = this.isSafari;\n\n if (nbSamples === 0) {\n return;\n }\n\n // Safari does not like overlapping DTS on consecutive fragments. let's use nextAvcDts to overcome this if fragments are consecutive\n if (isSafari) {\n // also consider consecutive fragments as being contiguous (even if a level switch occurs),\n // for sake of clarity:\n // consecutive fragments are frags with\n // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR\n // - less than 200 ms PTS gaps (timeScale/5)\n contiguous |= (inputSamples.length && nextAvcDts &&\n ((accurateTimeOffset && Math.abs(timeOffset - nextAvcDts / timeScale) < 0.1) ||\n Math.abs((inputSamples[0].pts - nextAvcDts - initPTS)) < timeScale / 5)\n );\n }\n\n if (!contiguous) {\n // if not contiguous, let's use target timeOffset\n nextAvcDts = timeOffset * timeScale;\n }\n\n // PTS is coded on 33bits, and can loop from -2^32 to 2^32\n // ptsNormalize will make PTS/DTS value monotonic, we use last known DTS value as reference value\n inputSamples.forEach(function (sample) {\n sample.pts = ptsNormalize(sample.pts - initPTS, nextAvcDts);\n sample.dts = ptsNormalize(sample.dts - initPTS, nextAvcDts);\n });\n\n // sort video samples by DTS then PTS then demux id order\n inputSamples.sort(function (a, b) {\n const deltadts = a.dts - b.dts;\n const deltapts = a.pts - b.pts;\n return deltadts || (deltapts || (a.id - b.id));\n });\n\n // handle broken streams with PTS < DTS, tolerance up 0.2 seconds\n let PTSDTSshift = inputSamples.reduce((prev, curr) => Math.max(Math.min(prev, curr.pts - curr.dts), -1 * PTS_DTS_SHIFT_TOLERANCE_90KHZ), 0);\n if (PTSDTSshift < 0) {\n logger.warn(`PTS < DTS detected in video samples, shifting DTS by ${toMsFromMpegTsClock(PTSDTSshift, true)} ms to overcome this issue`);\n for (let i = 0; i < inputSamples.length; i++) {\n inputSamples[i].dts += PTSDTSshift;\n }\n }\n\n // compute first DTS and last DTS, normalize them against reference value\n let sample = inputSamples[0];\n firstDTS = Math.max(sample.dts, 0);\n firstPTS = Math.max(sample.pts, 0);\n\n // check timestamp continuity accross consecutive fragments (this is to remove inter-fragment gap/hole)\n let delta = firstDTS - nextAvcDts;\n // if fragment are contiguous, detect hole/overlapping between fragments\n if (contiguous) {\n if (delta) {\n if (delta > 1) {\n logger.log(`AVC: ${toMsFromMpegTsClock(delta, true)} ms hole between fragments detected,filling it`);\n } else if (delta < -1) {\n logger.log(`AVC: ${toMsFromMpegTsClock(-delta, true)} ms overlapping between fragments detected`);\n }\n\n // remove hole/gap : set DTS to next expected DTS\n firstDTS = nextAvcDts;\n inputSamples[0].dts = firstDTS;\n // offset PTS as well, ensure that PTS is smaller or equal than new DTS\n firstPTS = Math.max(firstPTS - delta, nextAvcDts);\n inputSamples[0].pts = firstPTS;\n logger.log(`Video: PTS/DTS adjusted: ${toMsFromMpegTsClock(firstPTS, true)}/${toMsFromMpegTsClock(firstDTS, true)}, delta: ${toMsFromMpegTsClock(delta, true)} ms`);\n }\n }\n\n // compute lastPTS/lastDTS\n sample = inputSamples[inputSamples.length - 1];\n lastDTS = Math.max(sample.dts, 0);\n lastPTS = Math.max(sample.pts, 0, lastDTS);\n\n // on Safari let's signal the same sample duration for all samples\n // sample duration (as expected by trun MP4 boxes), should be the delta between sample DTS\n // set this constant duration as being the avg delta between consecutive DTS.\n if (isSafari) {\n mp4SampleDuration = Math.round((lastDTS - firstDTS) / (inputSamples.length - 1));\n }\n\n let nbNalu = 0, naluLen = 0;\n for (let i = 0; i < nbSamples; i++) {\n // compute total/avc sample length and nb of NAL units\n let sample = inputSamples[i], units = sample.units, nbUnits = units.length, sampleLen = 0;\n for (let j = 0; j < nbUnits; j++) {\n sampleLen += units[j].data.length;\n }\n\n naluLen += sampleLen;\n nbNalu += nbUnits;\n sample.length = sampleLen;\n\n // normalize PTS/DTS\n if (isSafari) {\n // sample DTS is computed using a constant decoding offset (mp4SampleDuration) between samples\n sample.dts = firstDTS + i * mp4SampleDuration;\n } else {\n // ensure sample monotonic DTS\n sample.dts = Math.max(sample.dts, firstDTS);\n }\n // ensure that computed value is greater or equal than sample DTS\n sample.pts = Math.max(sample.pts, sample.dts);\n }\n\n /* concatenate the video data and construct the mdat in place\n (need 8 more bytes to fill length and mpdat type) */\n let mdatSize = naluLen + (4 * nbNalu) + 8;\n try {\n mdat = new Uint8Array(mdatSize);\n } catch (err) {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MUX_ERROR, details: ErrorDetails.REMUX_ALLOC_ERROR, fatal: false, bytes: mdatSize, reason: `fail allocating video mdat ${mdatSize}` });\n return;\n }\n let view = new DataView(mdat.buffer);\n view.setUint32(0, mdatSize);\n mdat.set(MP4.types.mdat, 4);\n\n for (let i = 0; i < nbSamples; i++) {\n let avcSample = inputSamples[i],\n avcSampleUnits = avcSample.units,\n mp4SampleLength = 0,\n compositionTimeOffset;\n // convert NALU bitstream to MP4 format (prepend NALU with size field)\n for (let j = 0, nbUnits = avcSampleUnits.length; j < nbUnits; j++) {\n let unit = avcSampleUnits[j],\n unitData = unit.data,\n unitDataLen = unit.data.byteLength;\n view.setUint32(offset, unitDataLen);\n offset += 4;\n mdat.set(unitData, offset);\n offset += unitDataLen;\n mp4SampleLength += 4 + unitDataLen;\n }\n\n if (!isSafari) {\n // expected sample duration is the Decoding Timestamp diff of consecutive samples\n if (i < nbSamples - 1) {\n mp4SampleDuration = inputSamples[i + 1].dts - avcSample.dts;\n } else {\n let config = this.config,\n lastFrameDuration = avcSample.dts - inputSamples[i > 0 ? i - 1 : i].dts;\n if (config.stretchShortVideoTrack) {\n // In some cases, a segment's audio track duration may exceed the video track duration.\n // Since we've already remuxed audio, and we know how long the audio track is, we look to\n // see if the delta to the next segment is longer than maxBufferHole.\n // If so, playback would potentially get stuck, so we artificially inflate\n // the duration of the last frame to minimize any potential gap between segments.\n let maxBufferHole = config.maxBufferHole,\n gapTolerance = Math.floor(maxBufferHole * timeScale),\n deltaToFrameEnd = (audioTrackLength ? firstPTS + audioTrackLength * timeScale : this.nextAudioPts) - avcSample.pts;\n if (deltaToFrameEnd > gapTolerance) {\n // We subtract lastFrameDuration from deltaToFrameEnd to try to prevent any video\n // frame overlap. maxBufferHole should be >> lastFrameDuration anyway.\n mp4SampleDuration = deltaToFrameEnd - lastFrameDuration;\n if (mp4SampleDuration < 0) {\n mp4SampleDuration = lastFrameDuration;\n }\n\n logger.log(`It is approximately ${toMsFromMpegTsClock(deltaToFrameEnd, false)} ms to the next segment; using duration ${toMsFromMpegTsClock(mp4SampleDuration, false)} ms for the last video frame.`);\n } else {\n mp4SampleDuration = lastFrameDuration;\n }\n } else {\n mp4SampleDuration = lastFrameDuration;\n }\n }\n compositionTimeOffset = Math.round(avcSample.pts - avcSample.dts);\n } else {\n compositionTimeOffset = Math.max(0, mp4SampleDuration * Math.round((avcSample.pts - avcSample.dts) / mp4SampleDuration));\n }\n\n // console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${avcSample.pts}/${avcSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(avcSample.pts/4294967296).toFixed(3)}');\n outputSamples.push({\n size: mp4SampleLength,\n // constant duration\n duration: mp4SampleDuration,\n cts: compositionTimeOffset,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: avcSample.key ? 2 : 1,\n isNonSync: avcSample.key ? 0 : 1\n }\n });\n }\n // next AVC sample DTS should be equal to last sample DTS + last sample duration (in PES timescale)\n this.nextAvcDts = lastDTS + mp4SampleDuration;\n let dropped = track.dropped;\n track.nbNalu = 0;\n track.dropped = 0;\n if (outputSamples.length && navigator.userAgent.toLowerCase().indexOf('chrome') > -1) {\n let flags = outputSamples[0].flags;\n // chrome workaround, mark first sample as being a Random Access Point to avoid sourcebuffer append issue\n // https://code.google.com/p/chromium/issues/detail?id=229412\n flags.dependsOn = 2;\n flags.isNonSync = 0;\n }\n track.samples = outputSamples;\n moof = MP4.moof(track.sequenceNumber++, firstDTS, track);\n track.samples = [];\n\n let data = {\n data1: moof,\n data2: mdat,\n startPTS: firstPTS / timeScale,\n endPTS: (lastPTS + mp4SampleDuration) / timeScale,\n startDTS: firstDTS / timeScale,\n endDTS: this.nextAvcDts / timeScale,\n type: 'video',\n hasAudio: false,\n hasVideo: true,\n nb: outputSamples.length,\n dropped: dropped\n };\n this.observer.trigger(Event.FRAG_PARSING_DATA, data);\n return data;\n }\n\n remuxAudio (track, timeOffset, contiguous, accurateTimeOffset) {\n const inputTimeScale = track.inputTimeScale;\n const mp4timeScale = track.timescale;\n const scaleFactor = inputTimeScale / mp4timeScale;\n const mp4SampleDuration = track.isAAC ? 1024 : 1152;\n const inputSampleDuration = mp4SampleDuration * scaleFactor;\n const ptsNormalize = this._PTSNormalize;\n const initPTS = this._initPTS;\n const rawMPEG = !track.isAAC && this.typeSupported.mpeg;\n\n let mp4Sample;\n let fillFrame;\n let mdat;\n let moof;\n let firstPTS;\n let lastPTS;\n let offset = (rawMPEG ? 0 : 8);\n let inputSamples = track.samples;\n let outputSamples = [];\n let nextAudioPts = this.nextAudioPts;\n\n // for audio samples, also consider consecutive fragments as being contiguous (even if a level switch occurs),\n // for sake of clarity:\n // consecutive fragments are frags with\n // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR\n // - less than 20 audio frames distance\n // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1)\n // this helps ensuring audio continuity\n // and this also avoids audio glitches/cut when switching quality, or reporting wrong duration on first audio frame\n contiguous |= (inputSamples.length && nextAudioPts &&\n ((accurateTimeOffset && Math.abs(timeOffset - nextAudioPts / inputTimeScale) < 0.1) ||\n Math.abs((inputSamples[0].pts - nextAudioPts - initPTS)) < 20 * inputSampleDuration)\n );\n\n // compute normalized PTS\n inputSamples.forEach(function (sample) {\n sample.pts = sample.dts = ptsNormalize(sample.pts - initPTS, timeOffset * inputTimeScale);\n });\n\n // filter out sample with negative PTS that are not playable anyway\n // if we don't remove these negative samples, they will shift all audio samples forward.\n // leading to audio overlap between current / next fragment\n inputSamples = inputSamples.filter(function (sample) {\n return sample.pts >= 0;\n });\n\n // in case all samples have negative PTS, and have been filtered out, return now\n if (inputSamples.length === 0) {\n return;\n }\n\n if (!contiguous) {\n if (!accurateTimeOffset) {\n // if frag are mot contiguous and if we cant trust time offset, let's use first sample PTS as next audio PTS\n nextAudioPts = inputSamples[0].pts;\n } else {\n // if timeOffset is accurate, let's use it as predicted next audio PTS\n nextAudioPts = timeOffset * inputTimeScale;\n }\n }\n\n // If the audio track is missing samples, the frames seem to get \"left-shifted\" within the\n // resulting mp4 segment, causing sync issues and leaving gaps at the end of the audio segment.\n // In an effort to prevent this from happening, we inject frames here where there are gaps.\n // When possible, we inject a silent frame; when that's not possible, we duplicate the last\n // frame.\n\n if (track.isAAC) {\n const maxAudioFramesDrift = this.config.maxAudioFramesDrift;\n for (let i = 0, nextPts = nextAudioPts; i < inputSamples.length;) {\n // First, let's see how far off this frame is from where we expect it to be\n var sample = inputSamples[i], delta;\n let pts = sample.pts;\n delta = pts - nextPts;\n\n // If we're overlapping by more than a duration, drop this sample\n if (delta <= -maxAudioFramesDrift * inputSampleDuration) {\n logger.warn(`Dropping 1 audio frame @ ${toMsFromMpegTsClock(nextPts, true)} ms due to ${toMsFromMpegTsClock(delta, true)} ms overlap.`);\n inputSamples.splice(i, 1);\n // Don't touch nextPtsNorm or i\n } // eslint-disable-line brace-style\n\n // Insert missing frames if:\n // 1: We're more than maxAudioFramesDrift frame away\n // 2: Not more than MAX_SILENT_FRAME_DURATION away\n // 3: currentTime (aka nextPtsNorm) is not 0\n else if (delta >= maxAudioFramesDrift * inputSampleDuration && delta < MAX_SILENT_FRAME_DURATION_90KHZ && nextPts) {\n let missing = Math.round(delta / inputSampleDuration);\n logger.warn(`Injecting ${missing} audio frames @ ${toMsFromMpegTsClock(nextPts, true)} ms due to ${toMsFromMpegTsClock(nextPts, true)} ms gap.`);\n for (let j = 0; j < missing; j++) {\n let newStamp = Math.max(nextPts, 0);\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n logger.log('Unable to get silent frame for given audio codec; duplicating last frame instead.');\n fillFrame = sample.unit.subarray();\n }\n inputSamples.splice(i, 0, { unit: fillFrame, pts: newStamp, dts: newStamp });\n nextPts += inputSampleDuration;\n i++;\n }\n\n // Adjust sample to next expected pts\n sample.pts = sample.dts = nextPts;\n nextPts += inputSampleDuration;\n i++;\n } else {\n // Otherwise, just adjust pts\n if (Math.abs(delta) > (0.1 * inputSampleDuration)) {\n // logger.log(`Invalid frame delta ${Math.round(delta + inputSampleDuration)} at PTS ${Math.round(pts / 90)} (should be ${Math.round(inputSampleDuration)}).`);\n }\n sample.pts = sample.dts = nextPts;\n nextPts += inputSampleDuration;\n i++;\n }\n }\n }\n\n // compute mdat size, as we eventually filtered/added some samples\n let nbSamples = inputSamples.length;\n let mdatSize = 0;\n while (nbSamples--) {\n mdatSize += inputSamples[nbSamples].unit.byteLength;\n }\n\n for (let j = 0, nbSamples = inputSamples.length; j < nbSamples; j++) {\n let audioSample = inputSamples[j];\n let unit = audioSample.unit;\n let pts = audioSample.pts;\n\n // logger.log(`Audio/PTS:${toMsFromMpegTsClock(pts, true)}`);\n // if not first sample\n\n if (lastPTS !== undefined) {\n mp4Sample.duration = Math.round((pts - lastPTS) / scaleFactor);\n } else {\n let delta = pts - nextAudioPts;\n let numMissingFrames = 0;\n\n // if fragment are contiguous, detect hole/overlapping between fragments\n // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1)\n if (contiguous && track.isAAC) {\n // log delta\n if (delta) {\n if (delta > 0 && delta < MAX_SILENT_FRAME_DURATION_90KHZ) {\n // Q: why do we have to round here, shouldn't this always result in an integer if timestamps are correct,\n // and if not, shouldn't we actually Math.ceil() instead?\n numMissingFrames = Math.round((pts - nextAudioPts) / inputSampleDuration);\n\n logger.log(`${toMsFromMpegTsClock(delta, true)} ms hole between AAC samples detected,filling it`);\n if (numMissingFrames > 0) {\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n fillFrame = unit.subarray();\n }\n\n mdatSize += numMissingFrames * fillFrame.length;\n }\n // if we have frame overlap, overlapping for more than half a frame duraion\n } else if (delta < -12) {\n // drop overlapping audio frames... browser will deal with it\n logger.log(`drop overlapping AAC sample, expected/parsed/delta: ${toMsFromMpegTsClock(nextAudioPts, true)} ms / ${toMsFromMpegTsClock(pts, true)} ms / ${toMsFromMpegTsClock(-delta, true)} ms`);\n mdatSize -= unit.byteLength;\n continue;\n }\n // set PTS/DTS to expected PTS/DTS\n pts = nextAudioPts;\n }\n }\n // remember first PTS of our audioSamples\n firstPTS = pts;\n if (mdatSize > 0) {\n mdatSize += offset;\n try {\n mdat = new Uint8Array(mdatSize);\n } catch (err) {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MUX_ERROR, details: ErrorDetails.REMUX_ALLOC_ERROR, fatal: false, bytes: mdatSize, reason: `fail allocating audio mdat ${mdatSize}` });\n return;\n }\n if (!rawMPEG) {\n const view = new DataView(mdat.buffer);\n view.setUint32(0, mdatSize);\n mdat.set(MP4.types.mdat, 4);\n }\n } else {\n // no audio samples\n return;\n }\n for (let i = 0; i < numMissingFrames; i++) {\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n logger.log('Unable to get silent frame for given audio codec; duplicating this frame instead.');\n fillFrame = unit.subarray();\n }\n mdat.set(fillFrame, offset);\n offset += fillFrame.byteLength;\n mp4Sample = {\n size: fillFrame.byteLength,\n cts: 0,\n duration: 1024,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: 1\n }\n };\n outputSamples.push(mp4Sample);\n }\n }\n mdat.set(unit, offset);\n let unitLen = unit.byteLength;\n offset += unitLen;\n // console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${audioSample.pts}/${audioSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(audioSample.pts/4294967296).toFixed(3)}');\n mp4Sample = {\n size: unitLen,\n cts: 0,\n duration: 0,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: 1\n }\n };\n outputSamples.push(mp4Sample);\n lastPTS = pts;\n }\n let lastSampleDuration = 0;\n nbSamples = outputSamples.length;\n // set last sample duration as being identical to previous sample\n if (nbSamples >= 2) {\n lastSampleDuration = outputSamples[nbSamples - 2].duration;\n mp4Sample.duration = lastSampleDuration;\n }\n if (nbSamples) {\n // next audio sample PTS should be equal to last sample PTS + duration\n this.nextAudioPts = nextAudioPts = lastPTS + scaleFactor * lastSampleDuration;\n // logger.log('Audio/PTS/PTSend:' + audioSample.pts.toFixed(0) + '/' + this.nextAacDts.toFixed(0));\n track.samples = outputSamples;\n if (rawMPEG) {\n moof = new Uint8Array();\n } else {\n moof = MP4.moof(track.sequenceNumber++, firstPTS / scaleFactor, track);\n }\n\n track.samples = [];\n const start = firstPTS / inputTimeScale;\n const end = nextAudioPts / inputTimeScale;\n const audioData = {\n data1: moof,\n data2: mdat,\n startPTS: start,\n endPTS: end,\n startDTS: start,\n endDTS: end,\n type: 'audio',\n hasAudio: true,\n hasVideo: false,\n nb: nbSamples\n };\n this.observer.trigger(Event.FRAG_PARSING_DATA, audioData);\n return audioData;\n }\n return null;\n }\n\n remuxEmptyAudio (track, timeOffset, contiguous, videoData) {\n let inputTimeScale = track.inputTimeScale;\n let mp4timeScale = track.samplerate ? track.samplerate : inputTimeScale;\n let scaleFactor = inputTimeScale / mp4timeScale;\n let nextAudioPts = this.nextAudioPts;\n\n // sync with video's timestamp\n let startDTS = (nextAudioPts !== undefined ? nextAudioPts : videoData.startDTS * inputTimeScale) + this._initDTS;\n let endDTS = videoData.endDTS * inputTimeScale + this._initDTS;\n // one sample's duration value\n let sampleDuration = 1024;\n let frameDuration = scaleFactor * sampleDuration;\n\n // samples count of this segment's duration\n let nbSamples = Math.ceil((endDTS - startDTS) / frameDuration);\n\n // silent frame\n let silentFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n\n logger.warn('remux empty Audio');\n // Can't remux if we can't generate a silent frame...\n if (!silentFrame) {\n logger.trace('Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!');\n return;\n }\n\n let samples = [];\n for (let i = 0; i < nbSamples; i++) {\n let stamp = startDTS + i * frameDuration;\n samples.push({ unit: silentFrame, pts: stamp, dts: stamp });\n }\n track.samples = samples;\n\n this.remuxAudio(track, timeOffset, contiguous);\n }\n\n remuxID3 (track) {\n let length = track.samples.length, sample;\n const inputTimeScale = track.inputTimeScale;\n const initPTS = this._initPTS;\n const initDTS = this._initDTS;\n // consume samples\n if (length) {\n for (let index = 0; index < length; index++) {\n sample = track.samples[index];\n // setting id3 pts, dts to relative time\n // using this._initPTS and this._initDTS to calculate relative time\n sample.pts = ((sample.pts - initPTS) / inputTimeScale);\n sample.dts = ((sample.dts - initDTS) / inputTimeScale);\n }\n this.observer.trigger(Event.FRAG_PARSING_METADATA, {\n samples: track.samples\n });\n }\n\n track.samples = [];\n }\n\n remuxText (track) {\n track.samples.sort(function (a, b) {\n return (a.pts - b.pts);\n });\n\n let length = track.samples.length, sample;\n const inputTimeScale = track.inputTimeScale;\n const initPTS = this._initPTS;\n // consume samples\n if (length) {\n for (let index = 0; index < length; index++) {\n sample = track.samples[index];\n // setting text pts, dts to relative time\n // using this._initPTS and this._initDTS to calculate relative time\n sample.pts = ((sample.pts - initPTS) / inputTimeScale);\n }\n this.observer.trigger(Event.FRAG_PARSING_USERDATA, {\n samples: track.samples\n });\n }\n\n track.samples = [];\n }\n\n _PTSNormalize (value, reference) {\n let offset;\n if (reference === undefined) {\n return value;\n }\n\n if (reference < value) {\n // - 2^33\n offset = -8589934592;\n } else {\n // + 2^33\n offset = 8589934592;\n }\n /* PTS is 33bit (from 0 to 2^33 -1)\n if diff between value and reference is bigger than half of the amplitude (2^32) then it means that\n PTS looping occured. fill the gap */\n while (Math.abs(value - reference) > 4294967296) {\n value += offset;\n }\n\n return value;\n }\n}\n\nexport default MP4Remuxer;\n","/**\n *\n * inline demuxer: probe fragments and instantiate\n * appropriate demuxer depending on content type (TSDemuxer, AACDemuxer, ...)\n *\n */\n\nimport Event from '../events';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport Decrypter from '../crypt/decrypter';\nimport AACDemuxer from '../demux/aacdemuxer';\nimport MP4Demuxer from '../demux/mp4demuxer';\nimport TSDemuxer from '../demux/tsdemuxer';\nimport MP3Demuxer from '../demux/mp3demuxer';\nimport MP4Remuxer from '../remux/mp4-remuxer';\nimport PassThroughRemuxer from '../remux/passthrough-remuxer';\n\nimport { getSelfScope } from '../utils/get-self-scope';\nimport { logger } from '../utils/logger';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n\nlet now;\n// performance.now() not available on WebWorker, at least on Safari Desktop\ntry {\n now = global.performance.now.bind(global.performance);\n} catch (err) {\n logger.debug('Unable to use Performance API on this environment');\n now = global.Date.now;\n}\n\nclass DemuxerInline {\n constructor (observer, typeSupported, config, vendor) {\n this.observer = observer;\n this.typeSupported = typeSupported;\n this.config = config;\n this.vendor = vendor;\n }\n\n destroy () {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.destroy();\n }\n }\n\n push (data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) {\n if ((data.byteLength > 0) && (decryptdata != null) && (decryptdata.key != null) && (decryptdata.method === 'AES-128')) {\n let decrypter = this.decrypter;\n if (decrypter == null) {\n decrypter = this.decrypter = new Decrypter(this.observer, this.config);\n }\n\n const startTime = now();\n decrypter.decrypt(data, decryptdata.key.buffer, decryptdata.iv.buffer, (decryptedData) => {\n const endTime = now();\n this.observer.trigger(Event.FRAG_DECRYPTED, { stats: { tstart: startTime, tdecrypt: endTime } });\n this.pushDecrypted(new Uint8Array(decryptedData), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n });\n } else {\n this.pushDecrypted(new Uint8Array(data), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n }\n }\n\n pushDecrypted (data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) {\n let demuxer = this.demuxer;\n if (!demuxer ||\n // in case of continuity change, or track switch\n // we might switch from content type (AAC container to TS container, or TS to fmp4 for example)\n // so let's check that current demuxer is still valid\n ((discontinuity || trackSwitch) && !this.probe(data))) {\n const observer = this.observer;\n const typeSupported = this.typeSupported;\n const config = this.config;\n // probing order is TS/MP4/AAC/MP3\n const muxConfig = [\n { demux: TSDemuxer, remux: MP4Remuxer },\n { demux: MP4Demuxer, remux: PassThroughRemuxer },\n { demux: AACDemuxer, remux: MP4Remuxer },\n { demux: MP3Demuxer, remux: MP4Remuxer }\n ];\n\n // probe for content type\n for (let i = 0, len = muxConfig.length; i < len; i++) {\n const mux = muxConfig[i];\n const probe = mux.demux.probe;\n if (probe(data)) {\n const remuxer = this.remuxer = new mux.remux(observer, config, typeSupported, this.vendor);\n demuxer = new mux.demux(observer, remuxer, config, typeSupported);\n this.probe = probe;\n break;\n }\n }\n if (!demuxer) {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: true, reason: 'no demux matching with content found' });\n return;\n }\n this.demuxer = demuxer;\n }\n const remuxer = this.remuxer;\n\n if (discontinuity || trackSwitch) {\n demuxer.resetInitSegment(initSegment, audioCodec, videoCodec, duration);\n remuxer.resetInitSegment();\n }\n if (discontinuity) {\n demuxer.resetTimeStamp(defaultInitPTS);\n remuxer.resetTimeStamp(defaultInitPTS);\n }\n if (typeof demuxer.setDecryptData === 'function') {\n demuxer.setDecryptData(decryptdata);\n }\n\n demuxer.append(data, timeOffset, contiguous, accurateTimeOffset);\n }\n}\n\nexport default DemuxerInline;\n","/**\n * passthrough remuxer\n*/\nimport Event from '../events';\n\nclass PassThroughRemuxer {\n constructor (observer) {\n this.observer = observer;\n }\n\n destroy () {\n }\n\n resetTimeStamp () {\n }\n\n resetInitSegment () {\n }\n\n remux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset, rawData) {\n let observer = this.observer;\n let streamType = '';\n if (audioTrack) {\n streamType += 'audio';\n }\n\n if (videoTrack) {\n streamType += 'video';\n }\n\n observer.trigger(Event.FRAG_PARSING_DATA, {\n data1: rawData,\n startPTS: timeOffset,\n startDTS: timeOffset,\n type: streamType,\n hasAudio: !!audioTrack,\n hasVideo: !!videoTrack,\n nb: 1,\n dropped: 0\n });\n // notify end of parsing\n observer.trigger(Event.FRAG_PARSED);\n }\n}\n\nexport default PassThroughRemuxer;\n","/**\n * MP4 demuxer\n */\nimport { logger } from '../utils/logger';\nimport Event from '../events';\n\nconst UINT32_MAX = Math.pow(2, 32) - 1;\n\nclass MP4Demuxer {\n constructor (observer, remuxer) {\n this.observer = observer;\n this.remuxer = remuxer;\n }\n\n resetTimeStamp (initPTS) {\n this.initPTS = initPTS;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n // jshint unused:false\n if (initSegment && initSegment.byteLength) {\n const initData = this.initData = MP4Demuxer.parseInitSegment(initSegment);\n\n // default audio codec if nothing specified\n // TODO : extract that from initsegment\n if (audioCodec == null) {\n audioCodec = 'mp4a.40.5';\n }\n\n if (videoCodec == null) {\n videoCodec = 'avc1.42e01e';\n }\n\n const tracks = {};\n if (initData.audio && initData.video) {\n tracks.audiovideo = { container: 'video/mp4', codec: audioCodec + ',' + videoCodec, initSegment: duration ? initSegment : null };\n } else {\n if (initData.audio) {\n tracks.audio = { container: 'audio/mp4', codec: audioCodec, initSegment: duration ? initSegment : null };\n }\n\n if (initData.video) {\n tracks.video = { container: 'video/mp4', codec: videoCodec, initSegment: duration ? initSegment : null };\n }\n }\n this.observer.trigger(Event.FRAG_PARSING_INIT_SEGMENT, { tracks });\n } else {\n if (audioCodec) {\n this.audioCodec = audioCodec;\n }\n\n if (videoCodec) {\n this.videoCodec = videoCodec;\n }\n }\n }\n\n static probe (data) {\n // ensure we find a moof box in the first 16 kB\n return MP4Demuxer.findBox({ data: data, start: 0, end: Math.min(data.length, 16384) }, ['moof']).length > 0;\n }\n\n static bin2str (buffer) {\n return String.fromCharCode.apply(null, buffer);\n }\n\n static readUint16 (buffer, offset) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n\n const val = buffer[offset] << 8 |\n buffer[offset + 1];\n\n return val < 0 ? 65536 + val : val;\n }\n\n static readUint32 (buffer, offset) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n\n const val = buffer[offset] << 24 |\n buffer[offset + 1] << 16 |\n buffer[offset + 2] << 8 |\n buffer[offset + 3];\n return val < 0 ? 4294967296 + val : val;\n }\n\n static writeUint32 (buffer, offset, value) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n buffer[offset] = value >> 24;\n buffer[offset + 1] = (value >> 16) & 0xff;\n buffer[offset + 2] = (value >> 8) & 0xff;\n buffer[offset + 3] = value & 0xff;\n }\n\n // Find the data for a box specified by its path\n static findBox (data, path) {\n let results = [],\n i, size, type, end, subresults, start, endbox;\n\n if (data.data) {\n start = data.start;\n end = data.end;\n data = data.data;\n } else {\n start = 0;\n end = data.byteLength;\n }\n\n if (!path.length) {\n // short-circuit the search for empty paths\n return null;\n }\n\n for (i = start; i < end;) {\n size = MP4Demuxer.readUint32(data, i);\n type = MP4Demuxer.bin2str(data.subarray(i + 4, i + 8));\n endbox = size > 1 ? i + size : end;\n\n if (type === path[0]) {\n if (path.length === 1) {\n // this is the end of the path and we've found the box we were\n // looking for\n results.push({ data: data, start: i + 8, end: endbox });\n } else {\n // recursively search for the next box along the path\n subresults = MP4Demuxer.findBox({ data: data, start: i + 8, end: endbox }, path.slice(1));\n if (subresults.length) {\n results = results.concat(subresults);\n }\n }\n }\n i = endbox;\n }\n\n // we've finished searching all of data\n return results;\n }\n\n static parseSegmentIndex (initSegment) {\n const moov = MP4Demuxer.findBox(initSegment, ['moov'])[0];\n const moovEndOffset = moov ? moov.end : null; // we need this in case we need to chop of garbage of the end of current data\n\n let index = 0;\n let sidx = MP4Demuxer.findBox(initSegment, ['sidx']);\n let references;\n\n if (!sidx || !sidx[0]) {\n return null;\n }\n\n references = [];\n sidx = sidx[0];\n\n const version = sidx.data[0];\n\n // set initial offset, we skip the reference ID (not needed)\n index = version === 0 ? 8 : 16;\n\n const timescale = MP4Demuxer.readUint32(sidx, index);\n index += 4;\n\n // TODO: parse earliestPresentationTime and firstOffset\n // usually zero in our case\n let earliestPresentationTime = 0;\n let firstOffset = 0;\n\n if (version === 0) {\n index += 8;\n } else {\n index += 16;\n }\n\n // skip reserved\n index += 2;\n\n let startByte = sidx.end + firstOffset;\n\n const referencesCount = MP4Demuxer.readUint16(sidx, index);\n index += 2;\n\n for (let i = 0; i < referencesCount; i++) {\n let referenceIndex = index;\n\n const referenceInfo = MP4Demuxer.readUint32(sidx, referenceIndex);\n referenceIndex += 4;\n\n const referenceSize = referenceInfo & 0x7FFFFFFF;\n const referenceType = (referenceInfo & 0x80000000) >>> 31;\n\n if (referenceType === 1) {\n console.warn('SIDX has hierarchical references (not supported)');\n return;\n }\n\n const subsegmentDuration = MP4Demuxer.readUint32(sidx, referenceIndex);\n referenceIndex += 4;\n\n references.push({\n referenceSize,\n subsegmentDuration, // unscaled\n info: {\n duration: subsegmentDuration / timescale,\n start: startByte,\n end: startByte + referenceSize - 1\n }\n });\n\n startByte += referenceSize;\n\n // Skipping 1 bit for |startsWithSap|, 3 bits for |sapType|, and 28 bits\n // for |sapDelta|.\n referenceIndex += 4;\n\n // skip to next ref\n index = referenceIndex;\n }\n\n return {\n earliestPresentationTime,\n timescale,\n version,\n referencesCount,\n references,\n moovEndOffset\n };\n }\n\n /**\n * Parses an MP4 initialization segment and extracts stream type and\n * timescale values for any declared tracks. Timescale values indicate the\n * number of clock ticks per second to assume for time-based values\n * elsewhere in the MP4.\n *\n * To determine the start time of an MP4, you need two pieces of\n * information: the timescale unit and the earliest base media decode\n * time. Multiple timescales can be specified within an MP4 but the\n * base media decode time is always expressed in the timescale from\n * the media header box for the track:\n * ```\n * moov > trak > mdia > mdhd.timescale\n * moov > trak > mdia > hdlr\n * ```\n * @param init {Uint8Array} the bytes of the init segment\n * @return {object} a hash of track type to timescale values or null if\n * the init segment is malformed.\n */\n static parseInitSegment (initSegment) {\n let result = [];\n let traks = MP4Demuxer.findBox(initSegment, ['moov', 'trak']);\n\n traks.forEach(trak => {\n const tkhd = MP4Demuxer.findBox(trak, ['tkhd'])[0];\n if (tkhd) {\n let version = tkhd.data[tkhd.start];\n let index = version === 0 ? 12 : 20;\n let trackId = MP4Demuxer.readUint32(tkhd, index);\n\n const mdhd = MP4Demuxer.findBox(trak, ['mdia', 'mdhd'])[0];\n if (mdhd) {\n version = mdhd.data[mdhd.start];\n index = version === 0 ? 12 : 20;\n const timescale = MP4Demuxer.readUint32(mdhd, index);\n\n const hdlr = MP4Demuxer.findBox(trak, ['mdia', 'hdlr'])[0];\n if (hdlr) {\n const hdlrType = MP4Demuxer.bin2str(hdlr.data.subarray(hdlr.start + 8, hdlr.start + 12));\n let type = { 'soun': 'audio', 'vide': 'video' }[hdlrType];\n if (type) {\n // extract codec info. TODO : parse codec details to be able to build MIME type\n let codecBox = MP4Demuxer.findBox(trak, ['mdia', 'minf', 'stbl', 'stsd']);\n if (codecBox.length) {\n codecBox = codecBox[0];\n let codecType = MP4Demuxer.bin2str(codecBox.data.subarray(codecBox.start + 12, codecBox.start + 16));\n logger.log(`MP4Demuxer:${type}:${codecType} found`);\n }\n result[trackId] = { timescale: timescale, type: type };\n result[type] = { timescale: timescale, id: trackId };\n }\n }\n }\n }\n });\n return result;\n }\n\n /**\n * Determine the base media decode start time, in seconds, for an MP4\n * fragment. If multiple fragments are specified, the earliest time is\n * returned.\n *\n * The base media decode time can be parsed from track fragment\n * metadata:\n * ```\n * moof > traf > tfdt.baseMediaDecodeTime\n * ```\n * It requires the timescale value from the mdhd to interpret.\n *\n * @param timescale {object} a hash of track ids to timescale values.\n * @return {number} the earliest base media decode start time for the\n * fragment, in seconds\n */\n static getStartDTS (initData, fragment) {\n let trafs, baseTimes, result;\n\n // we need info from two childrend of each track fragment box\n trafs = MP4Demuxer.findBox(fragment, ['moof', 'traf']);\n\n // determine the start times for each track\n baseTimes = [].concat.apply([], trafs.map(function (traf) {\n return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) {\n let id, scale, baseTime;\n\n // get the track id from the tfhd\n id = MP4Demuxer.readUint32(tfhd, 4);\n // assume a 90kHz clock if no timescale was specified\n scale = initData[id].timescale || 90e3;\n\n // get the base media decode time from the tfdt\n baseTime = MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) {\n let version, result;\n\n version = tfdt.data[tfdt.start];\n result = MP4Demuxer.readUint32(tfdt, 4);\n if (version === 1) {\n result *= Math.pow(2, 32);\n\n result += MP4Demuxer.readUint32(tfdt, 8);\n }\n return result;\n })[0];\n // convert base time to seconds\n return baseTime / scale;\n });\n }));\n\n // return the minimum\n result = Math.min.apply(null, baseTimes);\n return isFinite(result) ? result : 0;\n }\n\n static offsetStartDTS (initData, fragment, timeOffset) {\n MP4Demuxer.findBox(fragment, ['moof', 'traf']).map(function (traf) {\n return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) {\n // get the track id from the tfhd\n let id = MP4Demuxer.readUint32(tfhd, 4);\n // assume a 90kHz clock if no timescale was specified\n let timescale = initData[id].timescale || 90e3;\n\n // get the base media decode time from the tfdt\n MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) {\n let version = tfdt.data[tfdt.start];\n let baseMediaDecodeTime = MP4Demuxer.readUint32(tfdt, 4);\n if (version === 0) {\n MP4Demuxer.writeUint32(tfdt, 4, baseMediaDecodeTime - timeOffset * timescale);\n } else {\n baseMediaDecodeTime *= Math.pow(2, 32);\n baseMediaDecodeTime += MP4Demuxer.readUint32(tfdt, 8);\n baseMediaDecodeTime -= timeOffset * timescale;\n baseMediaDecodeTime = Math.max(baseMediaDecodeTime, 0);\n const upper = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1));\n const lower = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1));\n MP4Demuxer.writeUint32(tfdt, 4, upper);\n MP4Demuxer.writeUint32(tfdt, 8, lower);\n }\n });\n });\n });\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let initData = this.initData;\n if (!initData) {\n this.resetInitSegment(data, this.audioCodec, this.videoCodec, false);\n initData = this.initData;\n }\n let startDTS, initPTS = this.initPTS;\n if (initPTS === undefined) {\n let startDTS = MP4Demuxer.getStartDTS(initData, data);\n this.initPTS = initPTS = startDTS - timeOffset;\n this.observer.trigger(Event.INIT_PTS_FOUND, { initPTS: initPTS });\n }\n MP4Demuxer.offsetStartDTS(initData, data, initPTS);\n startDTS = MP4Demuxer.getStartDTS(initData, data);\n this.remuxer.remux(initData.audio, initData.video, null, null, startDTS, contiguous, accurateTimeOffset, data);\n }\n\n destroy () {}\n}\n\nexport default MP4Demuxer;\n","function webpackBootstrapFunc (modules) {\n/******/ // The module cache\n/******/ var installedModules = {};\n\n/******/ // The require function\n/******/ function __webpack_require__(moduleId) {\n\n/******/ // Check if module is in cache\n/******/ if(installedModules[moduleId])\n/******/ return installedModules[moduleId].exports;\n\n/******/ // Create a new module (and put it into the cache)\n/******/ var module = installedModules[moduleId] = {\n/******/ i: moduleId,\n/******/ l: false,\n/******/ exports: {}\n/******/ };\n\n/******/ // Execute the module function\n/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n/******/ // Flag the module as loaded\n/******/ module.l = true;\n\n/******/ // Return the exports of the module\n/******/ return module.exports;\n/******/ }\n\n/******/ // expose the modules object (__webpack_modules__)\n/******/ __webpack_require__.m = modules;\n\n/******/ // expose the module cache\n/******/ __webpack_require__.c = installedModules;\n\n/******/ // identity function for calling harmony imports with the correct context\n/******/ __webpack_require__.i = function(value) { return value; };\n\n/******/ // define getter function for harmony exports\n/******/ __webpack_require__.d = function(exports, name, getter) {\n/******/ if(!__webpack_require__.o(exports, name)) {\n/******/ Object.defineProperty(exports, name, {\n/******/ configurable: false,\n/******/ enumerable: true,\n/******/ get: getter\n/******/ });\n/******/ }\n/******/ };\n\n/******/ // define __esModule on exports\n/******/ __webpack_require__.r = function(exports) {\n/******/ Object.defineProperty(exports, '__esModule', { value: true });\n/******/ };\n\n/******/ // getDefaultExport function for compatibility with non-harmony modules\n/******/ __webpack_require__.n = function(module) {\n/******/ var getter = module && module.__esModule ?\n/******/ function getDefault() { return module['default']; } :\n/******/ function getModuleExports() { return module; };\n/******/ __webpack_require__.d(getter, 'a', getter);\n/******/ return getter;\n/******/ };\n\n/******/ // Object.prototype.hasOwnProperty.call\n/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n/******/ // __webpack_public_path__\n/******/ __webpack_require__.p = \"/\";\n\n/******/ // on error function for async loading\n/******/ __webpack_require__.oe = function(err) { console.error(err); throw err; };\n\n var f = __webpack_require__(__webpack_require__.s = ENTRY_MODULE)\n return f.default || f // try to call default if defined to also support babel esmodule exports\n}\n\nvar moduleNameReqExp = '[\\\\.|\\\\-|\\\\+|\\\\w|\\/|@]+'\nvar dependencyRegExp = '\\\\(\\\\s*(\\/\\\\*.*?\\\\*\\/)?\\\\s*.*?(' + moduleNameReqExp + ').*?\\\\)' // additional chars when output.pathinfo is true\n\n// http://stackoverflow.com/a/2593661/130442\nfunction quoteRegExp (str) {\n return (str + '').replace(/[.?*+^$[\\]\\\\(){}|-]/g, '\\\\$&')\n}\n\nfunction isNumeric(n) {\n return !isNaN(1 * n); // 1 * n converts integers, integers as string (\"123\"), 1e3 and \"1e3\" to integers and strings to NaN\n}\n\nfunction getModuleDependencies (sources, module, queueName) {\n var retval = {}\n retval[queueName] = []\n\n var fnString = module.toString()\n var wrapperSignature = fnString.match(/^function\\s?\\w*\\(\\w+,\\s*\\w+,\\s*(\\w+)\\)/)\n if (!wrapperSignature) return retval\n var webpackRequireName = wrapperSignature[1]\n\n // main bundle deps\n var re = new RegExp('(\\\\\\\\n|\\\\W)' + quoteRegExp(webpackRequireName) + dependencyRegExp, 'g')\n var match\n while ((match = re.exec(fnString))) {\n if (match[3] === 'dll-reference') continue\n retval[queueName].push(match[3])\n }\n\n // dll deps\n re = new RegExp('\\\\(' + quoteRegExp(webpackRequireName) + '\\\\(\"(dll-reference\\\\s(' + moduleNameReqExp + '))\"\\\\)\\\\)' + dependencyRegExp, 'g')\n while ((match = re.exec(fnString))) {\n if (!sources[match[2]]) {\n retval[queueName].push(match[1])\n sources[match[2]] = __webpack_require__(match[1]).m\n }\n retval[match[2]] = retval[match[2]] || []\n retval[match[2]].push(match[4])\n }\n\n // convert 1e3 back to 1000 - this can be important after uglify-js converted 1000 to 1e3\n var keys = Object.keys(retval);\n for (var i = 0; i < keys.length; i++) {\n for (var j = 0; j < retval[keys[i]].length; j++) {\n if (isNumeric(retval[keys[i]][j])) {\n retval[keys[i]][j] = 1 * retval[keys[i]][j];\n }\n }\n }\n\n return retval\n}\n\nfunction hasValuesInQueues (queues) {\n var keys = Object.keys(queues)\n return keys.reduce(function (hasValues, key) {\n return hasValues || queues[key].length > 0\n }, false)\n}\n\nfunction getRequiredModules (sources, moduleId) {\n var modulesQueue = {\n main: [moduleId]\n }\n var requiredModules = {\n main: []\n }\n var seenModules = {\n main: {}\n }\n\n while (hasValuesInQueues(modulesQueue)) {\n var queues = Object.keys(modulesQueue)\n for (var i = 0; i < queues.length; i++) {\n var queueName = queues[i]\n var queue = modulesQueue[queueName]\n var moduleToCheck = queue.pop()\n seenModules[queueName] = seenModules[queueName] || {}\n if (seenModules[queueName][moduleToCheck] || !sources[queueName][moduleToCheck]) continue\n seenModules[queueName][moduleToCheck] = true\n requiredModules[queueName] = requiredModules[queueName] || []\n requiredModules[queueName].push(moduleToCheck)\n var newModules = getModuleDependencies(sources, sources[queueName][moduleToCheck], queueName)\n var newModulesKeys = Object.keys(newModules)\n for (var j = 0; j < newModulesKeys.length; j++) {\n modulesQueue[newModulesKeys[j]] = modulesQueue[newModulesKeys[j]] || []\n modulesQueue[newModulesKeys[j]] = modulesQueue[newModulesKeys[j]].concat(newModules[newModulesKeys[j]])\n }\n }\n }\n\n return requiredModules\n}\n\nmodule.exports = function (moduleId, options) {\n options = options || {}\n var sources = {\n main: __webpack_modules__\n }\n\n var requiredModules = options.all ? { main: Object.keys(sources.main) } : getRequiredModules(sources, moduleId)\n\n var src = ''\n\n Object.keys(requiredModules).filter(function (m) { return m !== 'main' }).forEach(function (module) {\n var entryModule = 0\n while (requiredModules[module][entryModule]) {\n entryModule++\n }\n requiredModules[module].push(entryModule)\n sources[module][entryModule] = '(function(module, exports, __webpack_require__) { module.exports = __webpack_require__; })'\n src = src + 'var ' + module + ' = (' + webpackBootstrapFunc.toString().replace('ENTRY_MODULE', JSON.stringify(entryModule)) + ')({' + requiredModules[module].map(function (id) { return '' + JSON.stringify(id) + ': ' + sources[module][id].toString() }).join(',') + '});\\n'\n })\n\n src = src + 'new ((' + webpackBootstrapFunc.toString().replace('ENTRY_MODULE', JSON.stringify(moduleId)) + ')({' + requiredModules.main.map(function (id) { return '' + JSON.stringify(id) + ': ' + sources.main[id].toString() }).join(',') + '}))(self);'\n\n var blob = new window.Blob([src], { type: 'text/javascript' })\n if (options.bare) { return blob }\n\n var URL = window.URL || window.webkitURL || window.mozURL || window.msURL\n\n var workerUrl = URL.createObjectURL(blob)\n var worker = new window.Worker(workerUrl)\n worker.objectURL = workerUrl\n\n return worker\n}\n","/* demuxer web worker.\n * - listen to worker message, and trigger DemuxerInline upon reception of Fragments.\n * - provides MP4 Boxes back to main thread using [transferable objects](https://developers.google.com/web/updates/2011/12/Transferable-Objects-Lightning-Fast) in order to minimize message passing overhead.\n */\n\nimport DemuxerInline from '../demux/demuxer-inline';\nimport Event from '../events';\nimport { enableLogs } from '../utils/logger';\n\nimport { EventEmitter } from 'eventemitter3';\n\nlet DemuxerWorker = function (self) {\n // observer setup\n let observer = new EventEmitter();\n observer.trigger = function trigger (event, ...data) {\n observer.emit(event, event, ...data);\n };\n\n observer.off = function off (event, ...data) {\n observer.removeListener(event, ...data);\n };\n\n let forwardMessage = function (ev, data) {\n self.postMessage({ event: ev, data: data });\n };\n\n self.addEventListener('message', function (ev) {\n let data = ev.data;\n // console.log('demuxer cmd:' + data.cmd);\n switch (data.cmd) {\n case 'init':\n const config = JSON.parse(data.config);\n self.demuxer = new DemuxerInline(observer, data.typeSupported, config, data.vendor);\n\n enableLogs(config.debug);\n\n // signal end of worker init\n forwardMessage('init', null);\n break;\n case 'demux':\n self.demuxer.push(data.data, data.decryptdata, data.initSegment, data.audioCodec, data.videoCodec, data.timeOffset, data.discontinuity, data.trackSwitch, data.contiguous, data.duration, data.accurateTimeOffset, data.defaultInitPTS);\n break;\n default:\n break;\n }\n });\n\n // forward events to main thread\n observer.on(Event.FRAG_DECRYPTED, forwardMessage);\n observer.on(Event.FRAG_PARSING_INIT_SEGMENT, forwardMessage);\n observer.on(Event.FRAG_PARSED, forwardMessage);\n observer.on(Event.ERROR, forwardMessage);\n observer.on(Event.FRAG_PARSING_METADATA, forwardMessage);\n observer.on(Event.FRAG_PARSING_USERDATA, forwardMessage);\n observer.on(Event.INIT_PTS_FOUND, forwardMessage);\n\n // special case for FRAG_PARSING_DATA: pass data1/data2 as transferable object (no copy)\n observer.on(Event.FRAG_PARSING_DATA, function (ev, data) {\n let transferable = [];\n let message = { event: ev, data: data };\n if (data.data1) {\n message.data1 = data.data1.buffer;\n transferable.push(data.data1.buffer);\n delete data.data1;\n }\n if (data.data2) {\n message.data2 = data.data2.buffer;\n transferable.push(data.data2.buffer);\n delete data.data2;\n }\n self.postMessage(message, transferable);\n });\n};\n\nexport default DemuxerWorker;\n","import Level from '../loader/level';\n\nexport interface LoaderContext {\n // target URL\n url: string\n // loader response type (arraybuffer or default response type for playlist)\n responseType: string\n // start byte range offset\n rangeStart?: number\n // end byte range offset\n rangeEnd?: number\n // true if onProgress should report partial chunk of loaded content\n progressData?: boolean\n}\n\nexport interface LoaderConfiguration {\n // Max number of load retries\n maxRetry: number\n // Timeout after which `onTimeOut` callback will be triggered\n // (if loading is still not finished after that delay)\n timeout: number\n // Delay between an I/O error and following connection retry (ms).\n // This to avoid spamming the server\n retryDelay: number\n // max connection retry delay (ms)\n maxRetryDelay: number\n}\n\nexport interface LoaderResponse {\n url: string,\n // TODO(jstackhouse): SharedArrayBuffer, es2017 extension to TS\n data: string | ArrayBuffer\n}\n\nexport interface LoaderStats {\n // performance.now() just after load() has been called\n trequest: number\n // performance.now() of first received byte\n tfirst: number\n // performance.now() on load complete\n tload: number\n // performance.now() on parse completion\n tparsed: number\n // number of loaded bytes\n loaded: number\n // total number of bytes\n total: number\n}\n\ntype LoaderOnSuccess < T extends LoaderContext > = (\n response: LoaderResponse,\n stats: LoaderStats,\n context: T,\n networkDetails: any\n) => void;\n\ntype LoaderOnProgress < T extends LoaderContext > = (\n stats: LoaderStats,\n context: T,\n data: string | ArrayBuffer,\n networkDetails: any,\n) => void;\n\ntype LoaderOnError < T extends LoaderContext > = (\n error: {\n // error status code\n code: number,\n // error description\n text: string,\n },\n context: T,\n networkDetails: any,\n) => void;\n\ntype LoaderOnTimeout < T extends LoaderContext > = (\n stats: LoaderStats,\n context: T,\n) => void;\n\nexport interface LoaderCallbacks<T extends LoaderContext>{\n onSuccess: LoaderOnSuccess<T>,\n onError: LoaderOnError<T>,\n onTimeout: LoaderOnTimeout<T>,\n onProgress?: LoaderOnProgress<T>,\n}\n\nexport interface Loader<T extends LoaderContext> {\n destroy(): void\n abort(): void\n load(\n context: LoaderContext,\n config: LoaderConfiguration,\n callbacks: LoaderCallbacks<T>,\n ): void\n\n context: T\n}\n\n/**\n * `type` property values for this loaders' context object\n * @enum\n *\n */\nexport enum PlaylistContextType {\n MANIFEST = 'manifest',\n LEVEL = 'level',\n AUDIO_TRACK = 'audioTrack',\n SUBTITLE_TRACK= 'subtitleTrack'\n}\n\n/**\n * @enum {string}\n */\nexport enum PlaylistLevelType {\n MAIN = 'main',\n AUDIO = 'audio',\n SUBTITLE = 'subtitle'\n}\n\nexport interface PlaylistLoaderContext extends LoaderContext {\n loader?: Loader<PlaylistLoaderContext>\n\n type: PlaylistContextType\n // the level index to load\n level: number | null\n // TODO: what is id?\n id: number | null\n // defines if the loader is handling a sidx request for the playlist\n isSidxRequest?: boolean\n // internal reprsentation of a parsed m3u8 level playlist\n levelDetails?: Level\n}\n","/*\n*\n* All objects in the event handling chain should inherit from this class\n*\n*/\n\nimport { logger } from './utils/logger';\nimport { ErrorTypes, ErrorDetails } from './errors';\nimport Event from './events';\nimport Hls from './hls';\n\nconst FORBIDDEN_EVENT_NAMES = {\n 'hlsEventGeneric': true,\n 'hlsHandlerDestroying': true,\n 'hlsHandlerDestroyed': true\n};\n\nclass EventHandler {\n hls: Hls;\n handledEvents: any[];\n useGenericHandler: boolean;\n\n constructor (hls: Hls, ...events: any[]) {\n this.hls = hls;\n this.onEvent = this.onEvent.bind(this);\n this.handledEvents = events;\n this.useGenericHandler = true;\n\n this.registerListeners();\n }\n\n destroy () {\n this.onHandlerDestroying();\n this.unregisterListeners();\n this.onHandlerDestroyed();\n }\n\n protected onHandlerDestroying () {}\n protected onHandlerDestroyed () {}\n\n isEventHandler () {\n return typeof this.handledEvents === 'object' && this.handledEvents.length && typeof this.onEvent === 'function';\n }\n\n registerListeners () {\n if (this.isEventHandler()) {\n this.handledEvents.forEach(function (event) {\n if (FORBIDDEN_EVENT_NAMES[event]) {\n throw new Error('Forbidden event-name: ' + event);\n }\n\n this.hls.on(event, this.onEvent);\n }, this);\n }\n }\n\n unregisterListeners () {\n if (this.isEventHandler()) {\n this.handledEvents.forEach(function (event) {\n this.hls.off(event, this.onEvent);\n }, this);\n }\n }\n\n /**\n * arguments: event (string), data (any)\n */\n onEvent (event: string, data: any) {\n this.onEventGeneric(event, data);\n }\n\n onEventGeneric (event: string, data: any) {\n let eventToFunction = function (event: string, data: any) {\n let funcName = 'on' + event.replace('hls', '');\n if (typeof this[funcName] !== 'function') {\n throw new Error(`Event ${event} has no generic handler in this ${this.constructor.name} class (tried ${funcName})`);\n }\n\n return this[funcName].bind(this, data);\n };\n try {\n eventToFunction.call(this, event, data).call();\n } catch (err) {\n logger.error(`An internal error happened while handling event ${event}. Error message: \"${err.message}\". Here is a stacktrace:`, err);\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.OTHER_ERROR, details: ErrorDetails.INTERNAL_EXCEPTION, fatal: false, event: event, err: err });\n }\n }\n}\n\nexport default EventHandler;\n","\nimport { buildAbsoluteURL } from 'url-toolkit';\nimport { logger } from '../utils/logger';\nimport LevelKey from './level-key';\nimport { PlaylistLevelType } from '../types/loader';\n\nexport enum ElementaryStreamTypes {\n AUDIO = 'audio',\n VIDEO = 'video',\n}\n\nexport default class Fragment {\n private _url: string | null = null;\n private _byteRange: number[] | null = null;\n private _decryptdata: LevelKey | null = null;\n\n // Holds the types of data this fragment supports\n private _elementaryStreams: Record<ElementaryStreamTypes, boolean> = {\n [ElementaryStreamTypes.AUDIO]: false,\n [ElementaryStreamTypes.VIDEO]: false\n };\n\n // deltaPTS tracks the change in presentation timestamp between fragments\n public deltaPTS: number = 0;\n\n public rawProgramDateTime: string | null = null;\n public programDateTime: number | null = null;\n public title: string | null = null;\n public tagList: Array<string[]> = [];\n\n // TODO: Move at least baseurl to constructor.\n // Currently we do a two-pass construction as use the Fragment class almost like a object for holding parsing state.\n // It may make more sense to just use a POJO to keep state during the parsing phase.\n // Have Fragment be the representation once we have a known state?\n // Something to think on.\n\n // Discontinuity Counter\n public cc!: number;\n\n public type!: PlaylistLevelType;\n // relurl is the portion of the URL that comes from inside the playlist.\n public relurl!: string;\n // baseurl is the URL to the playlist\n public baseurl!: string;\n // EXTINF has to be present for a m3u8 to be considered valid\n public duration!: number;\n // When this segment starts in the timeline\n public start!: number;\n // sn notates the sequence number for a segment, and if set to a string can be 'initSegment'\n public sn: number | 'initSegment' = 0;\n\n public urlId: number = 0;\n // level matches this fragment to a index playlist\n public level: number = 0;\n // levelkey is the EXT-X-KEY that applies to this segment for decryption\n // core difference from the private field _decryptdata is the lack of the initialized IV\n // _decryptdata will set the IV for this segment based on the segment number in the fragment\n public levelkey?: LevelKey;\n\n // TODO(typescript-xhrloader)\n public loader: any;\n\n // setByteRange converts a EXT-X-BYTERANGE attribute into a two element array\n setByteRange (value: string, previousFrag?: Fragment) {\n const params = value.split('@', 2);\n const byteRange: number[] = [];\n if (params.length === 1) {\n byteRange[0] = previousFrag ? previousFrag.byteRangeEndOffset : 0;\n } else {\n byteRange[0] = parseInt(params[1]);\n }\n byteRange[1] = parseInt(params[0]) + byteRange[0];\n this._byteRange = byteRange;\n }\n\n get url () {\n if (!this._url && this.relurl) {\n this._url = buildAbsoluteURL(this.baseurl, this.relurl, { alwaysNormalize: true });\n }\n\n return this._url;\n }\n\n set url (value) {\n this._url = value;\n }\n\n get byteRange (): number[] {\n if (!this._byteRange) {\n return [];\n }\n\n return this._byteRange;\n }\n\n /**\n * @type {number}\n */\n get byteRangeStartOffset () {\n return this.byteRange[0];\n }\n\n get byteRangeEndOffset () {\n return this.byteRange[1];\n }\n\n get decryptdata (): LevelKey | null {\n if (!this.levelkey && !this._decryptdata) {\n return null;\n }\n\n if (!this._decryptdata && this.levelkey) {\n let sn = this.sn;\n if (typeof sn !== 'number') {\n // We are fetching decryption data for a initialization segment\n // If the segment was encrypted with AES-128\n // It must have an IV defined. We cannot substitute the Segment Number in.\n if (this.levelkey && this.levelkey.method === 'AES-128' && !this.levelkey.iv) {\n logger.warn(`missing IV for initialization segment with method=\"${this.levelkey.method}\" - compliance issue`);\n }\n\n /*\n Be converted to a Number.\n 'initSegment' will become NaN.\n NaN, which when converted through ToInt32() -> +0.\n ---\n Explicitly set sn to resulting value from implicit conversions 'initSegment' values for IV generation.\n */\n sn = 0;\n }\n this._decryptdata = this.setDecryptDataFromLevelKey(this.levelkey, sn);\n }\n\n return this._decryptdata;\n }\n\n get endProgramDateTime () {\n if (this.programDateTime === null) {\n return null;\n }\n\n if (!Number.isFinite(this.programDateTime)) {\n return null;\n }\n\n let duration = !Number.isFinite(this.duration) ? 0 : this.duration;\n\n return this.programDateTime + (duration * 1000);\n }\n\n get encrypted () {\n return !!((this.decryptdata && this.decryptdata.uri !== null) && (this.decryptdata.key === null));\n }\n\n /**\n * @param {ElementaryStreamTypes} type\n */\n addElementaryStream (type: ElementaryStreamTypes) {\n this._elementaryStreams[type] = true;\n }\n\n /**\n * @param {ElementaryStreamTypes} type\n */\n hasElementaryStream (type: ElementaryStreamTypes) {\n return this._elementaryStreams[type] === true;\n }\n\n /**\n * Utility method for parseLevelPlaylist to create an initialization vector for a given segment\n * @param {number} segmentNumber - segment number to generate IV with\n * @returns {Uint8Array}\n */\n createInitializationVector (segmentNumber: number): Uint8Array {\n let uint8View = new Uint8Array(16);\n\n for (let i = 12; i < 16; i++) {\n uint8View[i] = (segmentNumber >> 8 * (15 - i)) & 0xff;\n }\n\n return uint8View;\n }\n\n /**\n * Utility method for parseLevelPlaylist to get a fragment's decryption data from the currently parsed encryption key data\n * @param levelkey - a playlist's encryption info\n * @param segmentNumber - the fragment's segment number\n * @returns {LevelKey} - an object to be applied as a fragment's decryptdata\n */\n setDecryptDataFromLevelKey (levelkey: LevelKey, segmentNumber: number): LevelKey {\n let decryptdata = levelkey;\n\n if (levelkey && levelkey.method && levelkey.uri && !levelkey.iv) {\n decryptdata = new LevelKey(levelkey.baseuri, levelkey.reluri);\n decryptdata.method = levelkey.method;\n decryptdata.iv = this.createInitializationVector(segmentNumber);\n }\n\n return decryptdata;\n }\n}\n","import { buildAbsoluteURL } from 'url-toolkit';\n\nexport default class LevelKey {\n private _uri: string | null = null;\n\n public baseuri: string;\n public reluri: string;\n public method: string | null = null;\n public key: Uint8Array | null = null;\n public iv: Uint8Array | null = null;\n\n constructor (baseURI: string, relativeURI: string) {\n this.baseuri = baseURI;\n this.reluri = relativeURI;\n }\n\n get uri () {\n if (!this._uri && this.reluri) {\n this._uri = buildAbsoluteURL(this.baseuri, this.reluri, { alwaysNormalize: true });\n }\n\n return this._uri;\n }\n}\n","export default class Level {\n constructor (baseUrl) {\n // Please keep properties in alphabetical order\n this.endCC = 0;\n this.endSN = 0;\n this.fragments = [];\n this.initSegment = null;\n this.live = true;\n this.needSidxRanges = false;\n this.startCC = 0;\n this.startSN = 0;\n this.startTimeOffset = null;\n this.targetduration = 0;\n this.totalduration = 0;\n this.type = null;\n this.url = baseUrl;\n this.version = null;\n }\n\n get hasProgramDateTime () {\n return !!(this.fragments[0] && Number.isFinite(this.fragments[0].programDateTime));\n }\n}\n","const DECIMAL_RESOLUTION_REGEX = /^(\\d+)x(\\d+)$/; // eslint-disable-line no-useless-escape\nconst ATTR_LIST_REGEX = /\\s*(.+?)\\s*=((?:\\\".*?\\\")|.*?)(?:,|$)/g; // eslint-disable-line no-useless-escape\n\n// adapted from https://github.com/kanongil/node-m3u8parse/blob/master/attrlist.js\nclass AttrList {\n constructor (attrs) {\n if (typeof attrs === 'string') {\n attrs = AttrList.parseAttrList(attrs);\n }\n\n for (let attr in attrs) {\n if (attrs.hasOwnProperty(attr)) {\n this[attr] = attrs[attr];\n }\n }\n }\n\n decimalInteger (attrName) {\n const intValue = parseInt(this[attrName], 10);\n if (intValue > Number.MAX_SAFE_INTEGER) {\n return Infinity;\n }\n\n return intValue;\n }\n\n hexadecimalInteger (attrName) {\n if (this[attrName]) {\n let stringValue = (this[attrName] || '0x').slice(2);\n stringValue = ((stringValue.length & 1) ? '0' : '') + stringValue;\n\n const value = new Uint8Array(stringValue.length / 2);\n for (let i = 0; i < stringValue.length / 2; i++) {\n value[i] = parseInt(stringValue.slice(i * 2, i * 2 + 2), 16);\n }\n\n return value;\n } else {\n return null;\n }\n }\n\n hexadecimalIntegerAsNumber (attrName) {\n const intValue = parseInt(this[attrName], 16);\n if (intValue > Number.MAX_SAFE_INTEGER) {\n return Infinity;\n }\n\n return intValue;\n }\n\n decimalFloatingPoint (attrName) {\n return parseFloat(this[attrName]);\n }\n\n enumeratedString (attrName) {\n return this[attrName];\n }\n\n decimalResolution (attrName) {\n const res = DECIMAL_RESOLUTION_REGEX.exec(this[attrName]);\n if (res === null) {\n return undefined;\n }\n\n return {\n width: parseInt(res[1], 10),\n height: parseInt(res[2], 10)\n };\n }\n\n static parseAttrList (input) {\n let match, attrs = {};\n ATTR_LIST_REGEX.lastIndex = 0;\n while ((match = ATTR_LIST_REGEX.exec(input)) !== null) {\n let value = match[2], quote = '\"';\n\n if (value.indexOf(quote) === 0 &&\n value.lastIndexOf(quote) === (value.length - 1)) {\n value = value.slice(1, -1);\n }\n\n attrs[match[1]] = value;\n }\n return attrs;\n }\n}\n\nexport default AttrList;\n","// from http://mp4ra.org/codecs.html\nconst sampleEntryCodesISO = {\n audio: {\n 'a3ds': true,\n 'ac-3': true,\n 'ac-4': true,\n 'alac': true,\n 'alaw': true,\n 'dra1': true,\n 'dts+': true,\n 'dts-': true,\n 'dtsc': true,\n 'dtse': true,\n 'dtsh': true,\n 'ec-3': true,\n 'enca': true,\n 'g719': true,\n 'g726': true,\n 'm4ae': true,\n 'mha1': true,\n 'mha2': true,\n 'mhm1': true,\n 'mhm2': true,\n 'mlpa': true,\n 'mp4a': true,\n 'raw ': true,\n 'Opus': true,\n 'samr': true,\n 'sawb': true,\n 'sawp': true,\n 'sevc': true,\n 'sqcp': true,\n 'ssmv': true,\n 'twos': true,\n 'ulaw': true\n },\n video: {\n 'avc1': true,\n 'avc2': true,\n 'avc3': true,\n 'avc4': true,\n 'avcp': true,\n 'drac': true,\n 'dvav': true,\n 'dvhe': true,\n 'encv': true,\n 'hev1': true,\n 'hvc1': true,\n 'mjp2': true,\n 'mp4v': true,\n 'mvc1': true,\n 'mvc2': true,\n 'mvc3': true,\n 'mvc4': true,\n 'resv': true,\n 'rv60': true,\n 's263': true,\n 'svc1': true,\n 'svc2': true,\n 'vc-1': true,\n 'vp08': true,\n 'vp09': true\n }\n};\n\nexport type CodecType = 'audio' | 'video';\n\nfunction isCodecType (codec: string, type: CodecType): boolean {\n const typeCodes = sampleEntryCodesISO[type];\n return !!typeCodes && typeCodes[codec.slice(0, 4)] === true;\n}\n\nfunction isCodecSupportedInMp4 (codec: string, type: CodecType): boolean {\n return MediaSource.isTypeSupported(`${type || 'video'}/mp4;codecs=\"${codec}\"`);\n}\n\nexport { isCodecType, isCodecSupportedInMp4 };\n","import * as URLToolkit from 'url-toolkit';\n\nimport Fragment from './fragment';\nimport Level from './level';\nimport LevelKey from './level-key';\n\nimport AttrList from '../utils/attr-list';\nimport { logger } from '../utils/logger';\nimport { isCodecType, CodecType } from '../utils/codecs';\nimport { MediaPlaylist, AudioGroup, MediaPlaylistType } from '../types/media-playlist';\nimport { PlaylistLevelType } from '../types/loader';\n\n/**\n * M3U8 parser\n * @module\n */\n\n// https://regex101.com is your friend\nconst MASTER_PLAYLIST_REGEX = /#EXT-X-STREAM-INF:([^\\n\\r]*)[\\r\\n]+([^\\r\\n]+)/g;\nconst MASTER_PLAYLIST_MEDIA_REGEX = /#EXT-X-MEDIA:(.*)/g;\n\nconst LEVEL_PLAYLIST_REGEX_FAST = new RegExp([\n /#EXTINF:\\s*(\\d*(?:\\.\\d+)?)(?:,(.*)\\s+)?/.source, // duration (#EXTINF:<duration>,<title>), group 1 => duration, group 2 => title\n /|(?!#)([\\S+ ?]+)/.source, // segment URI, group 3 => the URI (note newline is not eaten)\n /|#EXT-X-BYTERANGE:*(.+)/.source, // next segment's byterange, group 4 => range spec (x@y)\n /|#EXT-X-PROGRAM-DATE-TIME:(.+)/.source, // next segment's program date/time group 5 => the datetime spec\n /|#.*/.source // All other non-segment oriented tags will match with all groups empty\n].join(''), 'g');\n\nconst LEVEL_PLAYLIST_REGEX_SLOW = /(?:(?:#(EXTM3U))|(?:#EXT-X-(PLAYLIST-TYPE):(.+))|(?:#EXT-X-(MEDIA-SEQUENCE): *(\\d+))|(?:#EXT-X-(TARGETDURATION): *(\\d+))|(?:#EXT-X-(KEY):(.+))|(?:#EXT-X-(START):(.+))|(?:#EXT-X-(ENDLIST))|(?:#EXT-X-(DISCONTINUITY-SEQ)UENCE:(\\d+))|(?:#EXT-X-(DIS)CONTINUITY))|(?:#EXT-X-(VERSION):(\\d+))|(?:#EXT-X-(MAP):(.+))|(?:(#)([^:]*):(.*))|(?:(#)(.*))(?:.*)\\r?\\n?/;\n\nconst MP4_REGEX_SUFFIX = /\\.(mp4|m4s|m4v|m4a)$/i;\n\nexport default class M3U8Parser {\n static findGroup (groups: Array<AudioGroup>, mediaGroupId: string): AudioGroup | undefined {\n for (let i = 0; i < groups.length; i++) {\n const group = groups[i];\n if (group.id === mediaGroupId) {\n return group;\n }\n }\n }\n\n static convertAVC1ToAVCOTI (codec) {\n let avcdata = codec.split('.');\n let result;\n if (avcdata.length > 2) {\n result = avcdata.shift() + '.';\n result += parseInt(avcdata.shift()).toString(16);\n result += ('000' + parseInt(avcdata.shift()).toString(16)).substr(-4);\n } else {\n result = codec;\n }\n return result;\n }\n\n static resolve (url, baseUrl) {\n return URLToolkit.buildAbsoluteURL(baseUrl, url, { alwaysNormalize: true });\n }\n\n static parseMasterPlaylist (string: string, baseurl: string) {\n // TODO(typescript-level)\n let levels: Array<any> = [];\n MASTER_PLAYLIST_REGEX.lastIndex = 0;\n\n // TODO(typescript-level)\n function setCodecs (codecs: Array<string>, level: any) {\n ['video', 'audio'].forEach((type: CodecType) => {\n const filtered = codecs.filter((codec) => isCodecType(codec, type));\n if (filtered.length) {\n const preferred = filtered.filter((codec) => {\n return codec.lastIndexOf('avc1', 0) === 0 || codec.lastIndexOf('mp4a', 0) === 0;\n });\n level[`${type}Codec`] = preferred.length > 0 ? preferred[0] : filtered[0];\n\n // remove from list\n codecs = codecs.filter((codec) => filtered.indexOf(codec) === -1);\n }\n });\n\n level.unknownCodecs = codecs;\n }\n\n let result: RegExpExecArray | null;\n while ((result = MASTER_PLAYLIST_REGEX.exec(string)) != null) {\n // TODO(typescript-level)\n const level: any = {};\n\n const attrs = level.attrs = new AttrList(result[1]);\n level.url = M3U8Parser.resolve(result[2], baseurl);\n\n const resolution = attrs.decimalResolution('RESOLUTION');\n if (resolution) {\n level.width = resolution.width;\n level.height = resolution.height;\n }\n level.bitrate = attrs.decimalInteger('AVERAGE-BANDWIDTH') || attrs.decimalInteger('BANDWIDTH');\n level.name = attrs.NAME;\n\n setCodecs([].concat((attrs.CODECS || '').split(/[ ,]+/)), level);\n\n if (level.videoCodec && level.videoCodec.indexOf('avc1') !== -1) {\n level.videoCodec = M3U8Parser.convertAVC1ToAVCOTI(level.videoCodec);\n }\n\n levels.push(level);\n }\n return levels;\n }\n\n static parseMasterPlaylistMedia (string: string, baseurl: string, type: MediaPlaylistType, audioGroups: Array<AudioGroup> = []): Array<MediaPlaylist> {\n let result: RegExpExecArray | null;\n let medias: Array<MediaPlaylist> = [];\n let id = 0;\n MASTER_PLAYLIST_MEDIA_REGEX.lastIndex = 0;\n while ((result = MASTER_PLAYLIST_MEDIA_REGEX.exec(string)) !== null) {\n const attrs = new AttrList(result[1]);\n if (attrs.TYPE === type) {\n const media: MediaPlaylist = {\n id: id++,\n groupId: attrs['GROUP-ID'],\n name: attrs.NAME || attrs.LANGUAGE,\n type,\n default: (attrs.DEFAULT === 'YES'),\n autoselect: (attrs.AUTOSELECT === 'YES'),\n forced: (attrs.FORCED === 'YES'),\n lang: attrs.LANGUAGE\n };\n\n if (attrs.URI) {\n media.url = M3U8Parser.resolve(attrs.URI, baseurl);\n }\n\n if (audioGroups.length) {\n // If there are audio groups signalled in the manifest, let's look for a matching codec string for this track\n const groupCodec = M3U8Parser.findGroup(audioGroups, media.groupId as string);\n\n // If we don't find the track signalled, lets use the first audio groups codec we have\n // Acting as a best guess\n media.audioCodec = groupCodec ? groupCodec.codec : audioGroups[0].codec;\n }\n\n medias.push(media);\n }\n }\n return medias;\n }\n\n static parseLevelPlaylist (string: string, baseurl: string, id: number, type: PlaylistLevelType, levelUrlId: number) {\n let currentSN = 0;\n let totalduration = 0;\n let level = new Level(baseurl);\n let discontinuityCounter = 0;\n let prevFrag: Fragment | null = null;\n let frag: Fragment | null = new Fragment();\n let result: RegExpExecArray | RegExpMatchArray | null;\n let i: number;\n let levelkey: LevelKey | undefined;\n\n let firstPdtIndex = null;\n\n LEVEL_PLAYLIST_REGEX_FAST.lastIndex = 0;\n\n while ((result = LEVEL_PLAYLIST_REGEX_FAST.exec(string)) !== null) {\n const duration = result[1];\n if (duration) { // INF\n frag.duration = parseFloat(duration);\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n const title = (' ' + result[2]).slice(1);\n frag.title = title || null;\n frag.tagList.push(title ? [ 'INF', duration, title ] : [ 'INF', duration ]);\n } else if (result[3]) { // url\n if (Number.isFinite(frag.duration)) {\n const sn = currentSN++;\n frag.type = type;\n frag.start = totalduration;\n if (levelkey) {\n frag.levelkey = levelkey;\n }\n frag.sn = sn;\n frag.level = id;\n frag.cc = discontinuityCounter;\n frag.urlId = levelUrlId;\n frag.baseurl = baseurl;\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n frag.relurl = (' ' + result[3]).slice(1);\n assignProgramDateTime(frag, prevFrag);\n\n level.fragments.push(frag);\n prevFrag = frag;\n totalduration += frag.duration;\n\n frag = new Fragment();\n }\n } else if (result[4]) { // X-BYTERANGE\n const data = (' ' + result[4]).slice(1);\n if (prevFrag) {\n frag.setByteRange(data, prevFrag);\n } else {\n frag.setByteRange(data);\n }\n } else if (result[5]) { // PROGRAM-DATE-TIME\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n frag.rawProgramDateTime = (' ' + result[5]).slice(1);\n frag.tagList.push(['PROGRAM-DATE-TIME', frag.rawProgramDateTime]);\n if (firstPdtIndex === null) {\n firstPdtIndex = level.fragments.length;\n }\n } else {\n result = result[0].match(LEVEL_PLAYLIST_REGEX_SLOW);\n if (!result) {\n logger.warn('No matches on slow regex match for level playlist!');\n continue;\n }\n for (i = 1; i < result.length; i++) {\n if (typeof result[i] !== 'undefined') {\n break;\n }\n }\n\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n const value1 = (' ' + result[i + 1]).slice(1);\n const value2 = (' ' + result[i + 2]).slice(1);\n\n switch (result[i]) {\n case '#':\n frag.tagList.push(value2 ? [ value1, value2 ] : [ value1 ]);\n break;\n case 'PLAYLIST-TYPE':\n level.type = value1.toUpperCase();\n break;\n case 'MEDIA-SEQUENCE':\n currentSN = level.startSN = parseInt(value1);\n break;\n case 'TARGETDURATION':\n level.targetduration = parseFloat(value1);\n break;\n case 'VERSION':\n level.version = parseInt(value1);\n break;\n case 'EXTM3U':\n break;\n case 'ENDLIST':\n level.live = false;\n break;\n case 'DIS':\n discontinuityCounter++;\n frag.tagList.push(['DIS']);\n break;\n case 'DISCONTINUITY-SEQ':\n discontinuityCounter = parseInt(value1);\n break;\n case 'KEY': {\n // https://tools.ietf.org/html/draft-pantos-http-live-streaming-08#section-3.4.4\n const decryptparams = value1;\n const keyAttrs = new AttrList(decryptparams);\n const decryptmethod = keyAttrs.enumeratedString('METHOD');\n const decrypturi = keyAttrs.URI;\n const decryptiv = keyAttrs.hexadecimalInteger('IV');\n\n if (decryptmethod) {\n levelkey = new LevelKey(baseurl, decrypturi);\n if ((decrypturi) && (['AES-128', 'SAMPLE-AES', 'SAMPLE-AES-CENC'].indexOf(decryptmethod) >= 0)) {\n levelkey.method = decryptmethod;\n levelkey.key = null;\n // Initialization Vector (IV)\n levelkey.iv = decryptiv;\n }\n }\n break;\n }\n case 'START': {\n const startAttrs = new AttrList(value1);\n const startTimeOffset = startAttrs.decimalFloatingPoint('TIME-OFFSET');\n // TIME-OFFSET can be 0\n if (Number.isFinite(startTimeOffset)) {\n level.startTimeOffset = startTimeOffset;\n }\n break;\n }\n case 'MAP': {\n const mapAttrs = new AttrList(value1);\n frag.relurl = mapAttrs.URI;\n if (mapAttrs.BYTERANGE) {\n frag.setByteRange(mapAttrs.BYTERANGE);\n }\n frag.baseurl = baseurl;\n frag.level = id;\n frag.type = type;\n frag.sn = 'initSegment';\n level.initSegment = frag;\n frag = new Fragment();\n frag.rawProgramDateTime = level.initSegment.rawProgramDateTime;\n break;\n }\n default:\n logger.warn(`line parsed but not handled: ${result}`);\n break;\n }\n }\n }\n frag = prevFrag;\n // logger.log('found ' + level.fragments.length + ' fragments');\n if (frag && !frag.relurl) {\n level.fragments.pop();\n totalduration -= frag.duration;\n }\n level.totalduration = totalduration;\n level.averagetargetduration = totalduration / level.fragments.length;\n level.endSN = currentSN - 1;\n level.startCC = level.fragments[0] ? level.fragments[0].cc : 0;\n level.endCC = discontinuityCounter;\n\n if (!level.initSegment && level.fragments.length) {\n // this is a bit lurky but HLS really has no other way to tell us\n // if the fragments are TS or MP4, except if we download them :/\n // but this is to be able to handle SIDX.\n if (level.fragments.every((frag) => MP4_REGEX_SUFFIX.test(frag.relurl))) {\n logger.warn('MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX');\n\n frag = new Fragment();\n frag.relurl = level.fragments[0].relurl;\n frag.baseurl = baseurl;\n frag.level = id;\n frag.type = type;\n frag.sn = 'initSegment';\n\n level.initSegment = frag;\n level.needSidxRanges = true;\n }\n }\n\n /**\n * Backfill any missing PDT values\n \"If the first EXT-X-PROGRAM-DATE-TIME tag in a Playlist appears after\n one or more Media Segment URIs, the client SHOULD extrapolate\n backward from that tag (using EXTINF durations and/or media\n timestamps) to associate dates with those segments.\"\n * We have already extrapolated forward, but all fragments up to the first instance of PDT do not have their PDTs\n * computed.\n */\n if (firstPdtIndex) {\n backfillProgramDateTimes(level.fragments, firstPdtIndex);\n }\n\n return level;\n }\n}\n\nfunction backfillProgramDateTimes (fragments, startIndex) {\n let fragPrev = fragments[startIndex];\n for (let i = startIndex - 1; i >= 0; i--) {\n const frag = fragments[i];\n frag.programDateTime = fragPrev.programDateTime - (frag.duration * 1000);\n fragPrev = frag;\n }\n}\n\nfunction assignProgramDateTime (frag, prevFrag) {\n if (frag.rawProgramDateTime) {\n frag.programDateTime = Date.parse(frag.rawProgramDateTime);\n } else if (prevFrag && prevFrag.programDateTime) {\n frag.programDateTime = prevFrag.endProgramDateTime;\n }\n\n if (!Number.isFinite(frag.programDateTime)) {\n frag.programDateTime = null;\n frag.rawProgramDateTime = null;\n }\n}\n","/**\n * PlaylistLoader - delegate for media manifest/playlist loading tasks. Takes care of parsing media to internal data-models.\n *\n * Once loaded, dispatches events with parsed data-models of manifest/levels/audio/subtitle tracks.\n *\n * Uses loader(s) set in config to do actual internal loading of resource tasks.\n *\n * @module\n *\n */\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport { Loader, PlaylistContextType, PlaylistLoaderContext, PlaylistLevelType, LoaderCallbacks, LoaderResponse, LoaderStats, LoaderConfiguration } from '../types/loader';\nimport MP4Demuxer from '../demux/mp4demuxer';\nimport M3U8Parser from './m3u8-parser';\nimport { AudioGroup } from '../types/media-playlist';\n\nconst { performance } = window;\n\n/**\n * @constructor\n */\nclass PlaylistLoader extends EventHandler {\n private loaders: Partial<Record<PlaylistContextType, Loader<PlaylistLoaderContext>>> = {};\n\n /**\n * @constructs\n * @param {Hls} hls\n */\n constructor (hls) {\n super(hls,\n Event.MANIFEST_LOADING,\n Event.LEVEL_LOADING,\n Event.AUDIO_TRACK_LOADING,\n Event.SUBTITLE_TRACK_LOADING);\n }\n\n /**\n * @param {PlaylistContextType} type\n * @returns {boolean}\n */\n static canHaveQualityLevels (type: PlaylistContextType): boolean {\n return (type !== PlaylistContextType.AUDIO_TRACK &&\n type !== PlaylistContextType.SUBTITLE_TRACK);\n }\n\n /**\n * Map context.type to LevelType\n * @param {PlaylistLoaderContext} context\n * @returns {LevelType}\n */\n static mapContextToLevelType (context: PlaylistLoaderContext): PlaylistLevelType {\n const { type } = context;\n\n switch (type) {\n case PlaylistContextType.AUDIO_TRACK:\n return PlaylistLevelType.AUDIO;\n case PlaylistContextType.SUBTITLE_TRACK:\n return PlaylistLevelType.SUBTITLE;\n default:\n return PlaylistLevelType.MAIN;\n }\n }\n\n static getResponseUrl (response: LoaderResponse, context: PlaylistLoaderContext): string {\n let url = response.url;\n // responseURL not supported on some browsers (it is used to detect URL redirection)\n // data-uri mode also not supported (but no need to detect redirection)\n if (url === undefined || url.indexOf('data:') === 0) {\n // fallback to initial URL\n url = context.url;\n }\n return url;\n }\n\n /**\n * Returns defaults or configured loader-type overloads (pLoader and loader config params)\n * Default loader is XHRLoader (see utils)\n * @param {PlaylistLoaderContext} context\n * @returns {Loader} or other compatible configured overload\n */\n createInternalLoader (context: PlaylistLoaderContext): Loader<PlaylistLoaderContext> {\n const config = this.hls.config;\n const PLoader = config.pLoader;\n const Loader = config.loader;\n // TODO(typescript-config): Verify once config is typed that InternalLoader always returns a Loader\n const InternalLoader = PLoader || Loader;\n\n const loader = new InternalLoader(config);\n\n // TODO - Do we really need to assign the instance or if the dep has been lost\n context.loader = loader;\n this.loaders[context.type] = loader;\n\n return loader;\n }\n\n getInternalLoader (context: PlaylistLoaderContext): Loader<PlaylistLoaderContext> | undefined {\n return this.loaders[context.type];\n }\n\n resetInternalLoader (contextType: PlaylistContextType) {\n if (this.loaders[contextType]) {\n delete this.loaders[contextType];\n }\n }\n\n /**\n * Call `destroy` on all internal loader instances mapped (one per context type)\n */\n destroyInternalLoaders () {\n for (let contextType in this.loaders) {\n let loader = this.loaders[contextType];\n if (loader) {\n loader.destroy();\n }\n\n this.resetInternalLoader(contextType as PlaylistContextType);\n }\n }\n\n destroy () {\n this.destroyInternalLoaders();\n\n super.destroy();\n }\n\n onManifestLoading (data: { url: string; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.MANIFEST,\n level: 0,\n id: null,\n responseType: 'text'\n });\n }\n\n onLevelLoading (data: { url: string; level: number | null; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.LEVEL,\n level: data.level,\n id: data.id,\n responseType: 'text'\n });\n }\n\n onAudioTrackLoading (data: { url: string; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.AUDIO_TRACK,\n level: null,\n id: data.id,\n responseType: 'text'\n });\n }\n\n onSubtitleTrackLoading (data: { url: string; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.SUBTITLE_TRACK,\n level: null,\n id: data.id,\n responseType: 'text'\n });\n }\n\n load (context: PlaylistLoaderContext): boolean {\n const config = this.hls.config;\n\n logger.debug(`Loading playlist of type ${context.type}, level: ${context.level}, id: ${context.id}`);\n\n // Check if a loader for this context already exists\n let loader = this.getInternalLoader(context);\n if (loader) {\n const loaderContext = loader.context;\n if (loaderContext && loaderContext.url === context.url) { // same URL can't overlap\n logger.trace('playlist request ongoing');\n return false;\n } else {\n logger.warn(`aborting previous loader for type: ${context.type}`);\n loader.abort();\n }\n }\n\n let maxRetry: number;\n let timeout: number;\n let retryDelay: number;\n let maxRetryDelay: number;\n\n // apply different configs for retries depending on\n // context (manifest, level, audio/subs playlist)\n switch (context.type) {\n case PlaylistContextType.MANIFEST:\n maxRetry = config.manifestLoadingMaxRetry;\n timeout = config.manifestLoadingTimeOut;\n retryDelay = config.manifestLoadingRetryDelay;\n maxRetryDelay = config.manifestLoadingMaxRetryTimeout;\n break;\n case PlaylistContextType.LEVEL:\n // Disable internal loader retry logic, since we are managing retries in Level Controller\n maxRetry = 0;\n maxRetryDelay = 0;\n retryDelay = 0;\n timeout = config.levelLoadingTimeOut;\n // TODO Introduce retry settings for audio-track and subtitle-track, it should not use level retry config\n break;\n default:\n maxRetry = config.levelLoadingMaxRetry;\n timeout = config.levelLoadingTimeOut;\n retryDelay = config.levelLoadingRetryDelay;\n maxRetryDelay = config.levelLoadingMaxRetryTimeout;\n break;\n }\n\n loader = this.createInternalLoader(context);\n\n const loaderConfig: LoaderConfiguration = {\n timeout,\n maxRetry,\n retryDelay,\n maxRetryDelay\n };\n\n const loaderCallbacks: LoaderCallbacks<PlaylistLoaderContext> = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this)\n };\n\n logger.debug(`Calling internal loader delegate for URL: ${context.url}`);\n loader.load(context, loaderConfig, loaderCallbacks);\n\n return true;\n }\n\n loadsuccess (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown = null) {\n if (context.isSidxRequest) {\n this._handleSidxRequest(response, context);\n this._handlePlaylistLoaded(response, stats, context, networkDetails);\n return;\n }\n\n this.resetInternalLoader(context.type);\n if (typeof response.data !== 'string') {\n throw new Error('expected responseType of \"text\" for PlaylistLoader');\n }\n\n const string = response.data;\n\n stats.tload = performance.now();\n // stats.mtime = new Date(target.getResponseHeader('Last-Modified'));\n\n // Validate if it is an M3U8 at all\n if (string.indexOf('#EXTM3U') !== 0) {\n this._handleManifestParsingError(response, context, 'no EXTM3U delimiter', networkDetails);\n return;\n }\n\n // Check if chunk-list or master. handle empty chunk list case (first EXTINF not signaled, but TARGETDURATION present)\n if (string.indexOf('#EXTINF:') > 0 || string.indexOf('#EXT-X-TARGETDURATION:') > 0) {\n this._handleTrackOrLevelPlaylist(response, stats, context, networkDetails);\n } else {\n this._handleMasterPlaylist(response, stats, context, networkDetails);\n }\n }\n\n loaderror (response: LoaderResponse, context: PlaylistLoaderContext, networkDetails = null) {\n this._handleNetworkError(context, networkDetails, false, response);\n }\n\n loadtimeout (stats: LoaderStats, context: PlaylistLoaderContext, networkDetails = null) {\n this._handleNetworkError(context, networkDetails, true);\n }\n\n // TODO(typescript-config): networkDetails can currently be a XHR or Fetch impl,\n // but with custom loaders it could be generic investigate this further when config is typed\n _handleMasterPlaylist (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const hls = this.hls;\n const string = response.data as string;\n\n const url = PlaylistLoader.getResponseUrl(response, context);\n const levels = M3U8Parser.parseMasterPlaylist(string, url);\n if (!levels.length) {\n this._handleManifestParsingError(response, context, 'no level found in manifest', networkDetails);\n return;\n }\n\n // multi level playlist, parse level info\n const audioGroups: Array<AudioGroup> = levels.map(level => ({\n id: level.attrs.AUDIO,\n codec: level.audioCodec\n }));\n\n const audioTracks = M3U8Parser.parseMasterPlaylistMedia(string, url, 'AUDIO', audioGroups);\n const subtitles = M3U8Parser.parseMasterPlaylistMedia(string, url, 'SUBTITLES');\n\n if (audioTracks.length) {\n // check if we have found an audio track embedded in main playlist (audio track without URI attribute)\n let embeddedAudioFound = false;\n audioTracks.forEach(audioTrack => {\n if (!audioTrack.url) {\n embeddedAudioFound = true;\n }\n });\n\n // if no embedded audio track defined, but audio codec signaled in quality level,\n // we need to signal this main audio track this could happen with playlists with\n // alt audio rendition in which quality levels (main)\n // contains both audio+video. but with mixed audio track not signaled\n if (embeddedAudioFound === false && levels[0].audioCodec && !levels[0].attrs.AUDIO) {\n logger.log('audio codec signaled in quality level, but no embedded audio track signaled, create one');\n audioTracks.unshift({\n type: 'main',\n name: 'main',\n default: false,\n autoselect: false,\n forced: false,\n id: -1\n });\n }\n }\n\n hls.trigger(Event.MANIFEST_LOADED, {\n levels,\n audioTracks,\n subtitles,\n url,\n stats,\n networkDetails\n });\n }\n\n _handleTrackOrLevelPlaylist (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const hls = this.hls;\n\n const { id, level, type } = context;\n\n const url = PlaylistLoader.getResponseUrl(response, context);\n\n // if the values are null, they will result in the else conditional\n const levelUrlId = Number.isFinite(id as number) ? id as number : 0;\n const levelId = Number.isFinite(level as number) ? level as number : levelUrlId;\n\n const levelType = PlaylistLoader.mapContextToLevelType(context);\n const levelDetails = M3U8Parser.parseLevelPlaylist(response.data as string, url, levelId, levelType, levelUrlId);\n\n // set stats on level structure\n // TODO(jstackhouse): why? mixing concerns, is it just treated as value bag?\n (levelDetails as any).tload = stats.tload;\n\n // We have done our first request (Manifest-type) and receive\n // not a master playlist but a chunk-list (track/level)\n // We fire the manifest-loaded event anyway with the parsed level-details\n // by creating a single-level structure for it.\n if (type === PlaylistContextType.MANIFEST) {\n const singleLevel = {\n url,\n details: levelDetails\n };\n\n hls.trigger(Event.MANIFEST_LOADED, {\n levels: [singleLevel],\n audioTracks: [],\n url,\n stats,\n networkDetails\n });\n }\n\n // save parsing time\n stats.tparsed = performance.now();\n\n // in case we need SIDX ranges\n // return early after calling load for\n // the SIDX box.\n if (levelDetails.needSidxRanges) {\n const sidxUrl = levelDetails.initSegment.url;\n this.load({\n url: sidxUrl,\n isSidxRequest: true,\n type,\n level,\n levelDetails,\n id,\n rangeStart: 0,\n rangeEnd: 2048,\n responseType: 'arraybuffer'\n });\n return;\n }\n\n // extend the context with the new levelDetails property\n context.levelDetails = levelDetails;\n\n this._handlePlaylistLoaded(response, stats, context, networkDetails);\n }\n\n _handleSidxRequest (response: LoaderResponse, context: PlaylistLoaderContext) {\n if (typeof response.data === 'string') {\n throw new Error('sidx request must be made with responseType of array buffer');\n }\n\n const sidxInfo = MP4Demuxer.parseSegmentIndex(new Uint8Array(response.data));\n // if provided fragment does not contain sidx, early return\n if (!sidxInfo) {\n return;\n }\n const sidxReferences = sidxInfo.references;\n const levelDetails = context.levelDetails;\n sidxReferences.forEach((segmentRef, index) => {\n const segRefInfo = segmentRef.info;\n if (!levelDetails) {\n return;\n }\n const frag = levelDetails.fragments[index];\n if (frag.byteRange.length === 0) {\n frag.setByteRange(String(1 + segRefInfo.end - segRefInfo.start) + '@' + String(segRefInfo.start));\n }\n });\n\n if (levelDetails) {\n levelDetails.initSegment.setByteRange(String(sidxInfo.moovEndOffset) + '@0');\n }\n }\n\n _handleManifestParsingError (response: LoaderResponse, context: PlaylistLoaderContext, reason: string, networkDetails: unknown) {\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.NETWORK_ERROR,\n details: ErrorDetails.MANIFEST_PARSING_ERROR,\n fatal: true,\n url: response.url,\n reason,\n networkDetails\n });\n }\n\n _handleNetworkError (context: PlaylistLoaderContext, networkDetails: unknown, timeout: boolean = false, response: LoaderResponse | null = null) {\n logger.info(`A network error occured while loading a ${context.type}-type playlist`);\n\n let details;\n let fatal;\n\n const loader = this.getInternalLoader(context);\n\n switch (context.type) {\n case PlaylistContextType.MANIFEST:\n details = (timeout ? ErrorDetails.MANIFEST_LOAD_TIMEOUT : ErrorDetails.MANIFEST_LOAD_ERROR);\n fatal = true;\n break;\n case PlaylistContextType.LEVEL:\n details = (timeout ? ErrorDetails.LEVEL_LOAD_TIMEOUT : ErrorDetails.LEVEL_LOAD_ERROR);\n fatal = false;\n break;\n case PlaylistContextType.AUDIO_TRACK:\n details = (timeout ? ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT : ErrorDetails.AUDIO_TRACK_LOAD_ERROR);\n fatal = false;\n break;\n default:\n // details = ...?\n fatal = false;\n }\n\n if (loader) {\n loader.abort();\n this.resetInternalLoader(context.type);\n }\n\n // TODO(typescript-events): when error events are handled, type this\n let errorData: any = {\n type: ErrorTypes.NETWORK_ERROR,\n details,\n fatal,\n url: context.url,\n loader,\n context,\n networkDetails\n };\n\n if (response) {\n errorData.response = response;\n }\n\n this.hls.trigger(Event.ERROR, errorData);\n }\n\n _handlePlaylistLoaded (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const { type, level, id, levelDetails } = context;\n\n if (!levelDetails || !levelDetails.targetduration) {\n this._handleManifestParsingError(response, context, 'invalid target duration', networkDetails);\n return;\n }\n\n const canHaveLevels = PlaylistLoader.canHaveQualityLevels(context.type);\n if (canHaveLevels) {\n this.hls.trigger(Event.LEVEL_LOADED, {\n details: levelDetails,\n level: level || 0,\n id: id || 0,\n stats,\n networkDetails\n });\n } else {\n switch (type) {\n case PlaylistContextType.AUDIO_TRACK:\n this.hls.trigger(Event.AUDIO_TRACK_LOADED, {\n details: levelDetails,\n id,\n stats,\n networkDetails\n });\n break;\n case PlaylistContextType.SUBTITLE_TRACK:\n this.hls.trigger(Event.SUBTITLE_TRACK_LOADED, {\n details: levelDetails,\n id,\n stats,\n networkDetails\n });\n break;\n }\n }\n }\n}\n\nexport default PlaylistLoader;\n","/*\n * Fragment Loader\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\n\nclass FragmentLoader extends EventHandler {\n constructor (hls) {\n super(hls, Event.FRAG_LOADING);\n this.loaders = {};\n }\n\n destroy () {\n let loaders = this.loaders;\n for (let loaderName in loaders) {\n let loader = loaders[loaderName];\n if (loader) {\n loader.destroy();\n }\n }\n this.loaders = {};\n\n super.destroy();\n }\n\n onFragLoading (data) {\n const frag = data.frag,\n type = frag.type,\n loaders = this.loaders,\n config = this.hls.config,\n FragmentILoader = config.fLoader,\n DefaultILoader = config.loader;\n\n // reset fragment state\n frag.loaded = 0;\n\n let loader = loaders[type];\n if (loader) {\n logger.warn(`abort previous fragment loader for type: ${type}`);\n loader.abort();\n }\n\n loader = loaders[type] = frag.loader =\n config.fLoader ? new FragmentILoader(config) : new DefaultILoader(config);\n\n let loaderContext, loaderConfig, loaderCallbacks;\n\n loaderContext = { url: frag.url, frag: frag, responseType: 'arraybuffer', progressData: false };\n\n let start = frag.byteRangeStartOffset,\n end = frag.byteRangeEndOffset;\n\n if (Number.isFinite(start) && Number.isFinite(end)) {\n loaderContext.rangeStart = start;\n loaderContext.rangeEnd = end;\n }\n\n loaderConfig = {\n timeout: config.fragLoadingTimeOut,\n maxRetry: 0,\n retryDelay: 0,\n maxRetryDelay: config.fragLoadingMaxRetryTimeout\n };\n\n loaderCallbacks = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this),\n onProgress: this.loadprogress.bind(this)\n };\n\n loader.load(loaderContext, loaderConfig, loaderCallbacks);\n }\n\n loadsuccess (response, stats, context, networkDetails = null) {\n let payload = response.data, frag = context.frag;\n // detach fragment loader on load success\n frag.loader = undefined;\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.FRAG_LOADED, { payload: payload, frag: frag, stats: stats, networkDetails: networkDetails });\n }\n\n loaderror (response, context, networkDetails = null) {\n const frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.FRAG_LOAD_ERROR, fatal: false, frag: context.frag, response: response, networkDetails: networkDetails });\n }\n\n loadtimeout (stats, context, networkDetails = null) {\n const frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.FRAG_LOAD_TIMEOUT, fatal: false, frag: context.frag, networkDetails: networkDetails });\n }\n\n // data will be used for progressive parsing\n loadprogress (stats, context, data, networkDetails = null) { // jshint ignore:line\n let frag = context.frag;\n frag.loaded = stats.loaded;\n this.hls.trigger(Event.FRAG_LOAD_PROGRESS, { frag: frag, stats: stats, networkDetails: networkDetails });\n }\n}\n\nexport default FragmentLoader;\n","/*\n * Decrypt key Loader\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport Hls from '../hls';\nimport Fragment from './fragment';\nimport { LoaderStats, LoaderResponse, LoaderContext, LoaderConfiguration, LoaderCallbacks } from '../types/loader';\n\ninterface OnKeyLoadingPayload {\n frag: Fragment\n}\n\ninterface KeyLoaderContext extends LoaderContext {\n frag: Fragment\n}\n\nclass KeyLoader extends EventHandler {\n public loaders = {};\n public decryptkey: Uint8Array | null = null;\n public decrypturl: string | null = null;\n\n constructor (hls: Hls) {\n super(hls, Event.KEY_LOADING);\n }\n\n destroy (): void {\n for (const loaderName in this.loaders) {\n let loader = this.loaders[loaderName];\n if (loader) {\n loader.destroy();\n }\n }\n this.loaders = {};\n\n super.destroy();\n }\n\n onKeyLoading (data: OnKeyLoadingPayload) {\n const { frag } = data;\n const type = frag.type;\n const loader = this.loaders[type];\n if (!frag.decryptdata) {\n logger.warn('Missing decryption data on fragment in onKeyLoading');\n return;\n }\n\n // Load the key if the uri is different from previous one, or if the decrypt key has not yet been retrieved\n const uri = frag.decryptdata.uri;\n if (uri !== this.decrypturl || this.decryptkey === null) {\n let config = this.hls.config;\n if (loader) {\n logger.warn(`abort previous key loader for type:${type}`);\n loader.abort();\n }\n if (!uri) {\n logger.warn('key uri is falsy');\n return;\n }\n\n frag.loader = this.loaders[type] = new config.loader(config);\n this.decrypturl = uri;\n this.decryptkey = null;\n\n const loaderContext: KeyLoaderContext = {\n url: uri,\n frag: frag,\n responseType: 'arraybuffer'\n };\n\n // maxRetry is 0 so that instead of retrying the same key on the same variant multiple times,\n // key-loader will trigger an error and rely on stream-controller to handle retry logic.\n // this will also align retry logic with fragment-loader\n const loaderConfig: LoaderConfiguration = {\n timeout: config.fragLoadingTimeOut,\n maxRetry: 0,\n retryDelay: config.fragLoadingRetryDelay,\n maxRetryDelay: config.fragLoadingMaxRetryTimeout\n };\n\n const loaderCallbacks: LoaderCallbacks<KeyLoaderContext> = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this)\n };\n\n frag.loader.load(loaderContext, loaderConfig, loaderCallbacks);\n } else if (this.decryptkey) {\n // Return the key if it's already been loaded\n frag.decryptdata.key = this.decryptkey;\n this.hls.trigger(Event.KEY_LOADED, { frag: frag });\n }\n }\n\n loadsuccess (response: LoaderResponse, stats: LoaderStats, context: KeyLoaderContext) {\n let frag = context.frag;\n if (!frag.decryptdata) {\n logger.error('after key load, decryptdata unset');\n return;\n }\n this.decryptkey = frag.decryptdata.key = new Uint8Array(response.data as ArrayBuffer);\n\n // detach fragment loader on load success\n frag.loader = undefined;\n delete this.loaders[frag.type];\n this.hls.trigger(Event.KEY_LOADED, { frag: frag });\n }\n\n loaderror (response: LoaderResponse, context: KeyLoaderContext) {\n let frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n delete this.loaders[frag.type];\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.KEY_LOAD_ERROR, fatal: false, frag, response });\n }\n\n loadtimeout (stats: LoaderStats, context: KeyLoaderContext) {\n let frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n delete this.loaders[frag.type];\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.KEY_LOAD_TIMEOUT, fatal: false, frag });\n }\n}\n\nexport default KeyLoader;\n","import EventHandler from '../event-handler';\nimport Event from '../events';\n\nexport const FragmentState = {\n NOT_LOADED: 'NOT_LOADED',\n APPENDING: 'APPENDING',\n PARTIAL: 'PARTIAL',\n OK: 'OK'\n};\n\nexport class FragmentTracker extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.BUFFER_APPENDED,\n Event.FRAG_BUFFERED,\n Event.FRAG_LOADED\n );\n\n this.bufferPadding = 0.2;\n\n this.fragments = Object.create(null);\n this.timeRanges = Object.create(null);\n\n this.config = hls.config;\n }\n\n destroy () {\n this.fragments = Object.create(null);\n this.timeRanges = Object.create(null);\n this.config = null;\n EventHandler.prototype.destroy.call(this);\n super.destroy();\n }\n\n /**\n * Return a Fragment that match the position and levelType.\n * If not found any Fragment, return null\n * @param {number} position\n * @param {LevelType} levelType\n * @returns {Fragment|null}\n */\n getBufferedFrag (position, levelType) {\n const fragments = this.fragments;\n const bufferedFrags = Object.keys(fragments).filter(key => {\n const fragmentEntity = fragments[key];\n if (fragmentEntity.body.type !== levelType) {\n return false;\n }\n\n if (!fragmentEntity.buffered) {\n return false;\n }\n\n const frag = fragmentEntity.body;\n return frag.startPTS <= position && position <= frag.endPTS;\n });\n if (bufferedFrags.length === 0) {\n return null;\n } else {\n // https://github.com/video-dev/hls.js/pull/1545#discussion_r166229566\n const bufferedFragKey = bufferedFrags.pop();\n return fragments[bufferedFragKey].body;\n }\n }\n\n /**\n * Partial fragments effected by coded frame eviction will be removed\n * The browser will unload parts of the buffer to free up memory for new buffer data\n * Fragments will need to be reloaded when the buffer is freed up, removing partial fragments will allow them to reload(since there might be parts that are still playable)\n * @param {String} elementaryStream The elementaryStream of media this is (eg. video/audio)\n * @param {TimeRanges} timeRange TimeRange object from a sourceBuffer\n */\n detectEvictedFragments (elementaryStream, timeRange) {\n let fragmentTimes, time;\n // Check if any flagged fragments have been unloaded\n Object.keys(this.fragments).forEach(key => {\n const fragmentEntity = this.fragments[key];\n if (fragmentEntity.buffered === true) {\n const esData = fragmentEntity.range[elementaryStream];\n if (esData) {\n fragmentTimes = esData.time;\n for (let i = 0; i < fragmentTimes.length; i++) {\n time = fragmentTimes[i];\n\n if (this.isTimeBuffered(time.startPTS, time.endPTS, timeRange) === false) {\n // Unregister partial fragment as it needs to load again to be reused\n this.removeFragment(fragmentEntity.body);\n break;\n }\n }\n }\n }\n });\n }\n\n /**\n * Checks if the fragment passed in is loaded in the buffer properly\n * Partially loaded fragments will be registered as a partial fragment\n * @param {Object} fragment Check the fragment against all sourceBuffers loaded\n */\n detectPartialFragments (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n let fragmentEntity = this.fragments[fragKey];\n if (fragmentEntity) {\n fragmentEntity.buffered = true;\n\n Object.keys(this.timeRanges).forEach(elementaryStream => {\n if (fragment.hasElementaryStream(elementaryStream)) {\n let timeRange = this.timeRanges[elementaryStream];\n // Check for malformed fragments\n // Gaps need to be calculated for each elementaryStream\n fragmentEntity.range[elementaryStream] = this.getBufferedTimes(fragment.startPTS, fragment.endPTS, timeRange);\n }\n });\n }\n }\n\n getBufferedTimes (startPTS, endPTS, timeRange) {\n let fragmentTimes = [];\n let startTime, endTime;\n let fragmentPartial = false;\n for (let i = 0; i < timeRange.length; i++) {\n startTime = timeRange.start(i) - this.bufferPadding;\n endTime = timeRange.end(i) + this.bufferPadding;\n if (startPTS >= startTime && endPTS <= endTime) {\n // Fragment is entirely contained in buffer\n // No need to check the other timeRange times since it's completely playable\n fragmentTimes.push({\n startPTS: Math.max(startPTS, timeRange.start(i)),\n endPTS: Math.min(endPTS, timeRange.end(i))\n });\n break;\n } else if (startPTS < endTime && endPTS > startTime) {\n // Check for intersection with buffer\n // Get playable sections of the fragment\n fragmentTimes.push({\n startPTS: Math.max(startPTS, timeRange.start(i)),\n endPTS: Math.min(endPTS, timeRange.end(i))\n });\n fragmentPartial = true;\n } else if (endPTS <= startTime) {\n // No need to check the rest of the timeRange as it is in order\n break;\n }\n }\n\n return {\n time: fragmentTimes,\n partial: fragmentPartial\n };\n }\n\n getFragmentKey (fragment) {\n return `${fragment.type}_${fragment.level}_${fragment.urlId}_${fragment.sn}`;\n }\n\n /**\n * Gets the partial fragment for a certain time\n * @param {Number} time\n * @returns {Object} fragment Returns a partial fragment at a time or null if there is no partial fragment\n */\n getPartialFragment (time) {\n let timePadding, startTime, endTime;\n let bestFragment = null;\n let bestOverlap = 0;\n Object.keys(this.fragments).forEach(key => {\n const fragmentEntity = this.fragments[key];\n if (this.isPartial(fragmentEntity)) {\n startTime = fragmentEntity.body.startPTS - this.bufferPadding;\n endTime = fragmentEntity.body.endPTS + this.bufferPadding;\n if (time >= startTime && time <= endTime) {\n // Use the fragment that has the most padding from start and end time\n timePadding = Math.min(time - startTime, endTime - time);\n if (bestOverlap <= timePadding) {\n bestFragment = fragmentEntity.body;\n bestOverlap = timePadding;\n }\n }\n }\n });\n return bestFragment;\n }\n\n /**\n * @param {Object} fragment The fragment to check\n * @returns {String} Returns the fragment state when a fragment never loaded or if it partially loaded\n */\n getState (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n let fragmentEntity = this.fragments[fragKey];\n let state = FragmentState.NOT_LOADED;\n\n if (fragmentEntity !== undefined) {\n if (!fragmentEntity.buffered) {\n state = FragmentState.APPENDING;\n } else if (this.isPartial(fragmentEntity) === true) {\n state = FragmentState.PARTIAL;\n } else {\n state = FragmentState.OK;\n }\n }\n\n return state;\n }\n\n isPartial (fragmentEntity) {\n return fragmentEntity.buffered === true &&\n ((fragmentEntity.range.video !== undefined && fragmentEntity.range.video.partial === true) ||\n (fragmentEntity.range.audio !== undefined && fragmentEntity.range.audio.partial === true));\n }\n\n isTimeBuffered (startPTS, endPTS, timeRange) {\n let startTime, endTime;\n for (let i = 0; i < timeRange.length; i++) {\n startTime = timeRange.start(i) - this.bufferPadding;\n endTime = timeRange.end(i) + this.bufferPadding;\n if (startPTS >= startTime && endPTS <= endTime) {\n return true;\n }\n\n if (endPTS <= startTime) {\n // No need to check the rest of the timeRange as it is in order\n return false;\n }\n }\n\n return false;\n }\n\n /**\n * Fires when a fragment loading is completed\n */\n onFragLoaded (e) {\n const fragment = e.frag;\n // don't track initsegment (for which sn is not a number)\n // don't track frags used for bitrateTest, they're irrelevant.\n if (!Number.isFinite(fragment.sn) || fragment.bitrateTest) {\n return;\n }\n\n this.fragments[this.getFragmentKey(fragment)] = {\n body: fragment,\n range: Object.create(null),\n buffered: false\n };\n }\n\n /**\n * Fires when the buffer is updated\n */\n onBufferAppended (e) {\n // Store the latest timeRanges loaded in the buffer\n this.timeRanges = e.timeRanges;\n Object.keys(this.timeRanges).forEach(elementaryStream => {\n let timeRange = this.timeRanges[elementaryStream];\n this.detectEvictedFragments(elementaryStream, timeRange);\n });\n }\n\n /**\n * Fires after a fragment has been loaded into the source buffer\n */\n onFragBuffered (e) {\n this.detectPartialFragments(e.frag);\n }\n\n /**\n * Return true if fragment tracker has the fragment.\n * @param {Object} fragment\n * @returns {boolean}\n */\n hasFragment (fragment) {\n const fragKey = this.getFragmentKey(fragment);\n return this.fragments[fragKey] !== undefined;\n }\n\n /**\n * Remove a fragment from fragment tracker until it is loaded again\n * @param {Object} fragment The fragment to remove\n */\n removeFragment (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n delete this.fragments[fragKey];\n }\n\n /**\n * Remove all fragments from fragment tracker.\n */\n removeAllFragments () {\n this.fragments = Object.create(null);\n }\n}\n","type BinarySearchComparison < T > = (candidate: T) => -1 | 0 | 1;\n\nconst BinarySearch = {\n\n /**\n * Searches for an item in an array which matches a certain condition.\n * This requires the condition to only match one item in the array,\n * and for the array to be ordered.\n *\n * @param {Array<T>} list The array to search.\n * @param {BinarySearchComparison<T>} comparisonFn\n * Called and provided a candidate item as the first argument.\n * Should return:\n * > -1 if the item should be located at a lower index than the provided item.\n * > 1 if the item should be located at a higher index than the provided item.\n * > 0 if the item is the item you're looking for.\n *\n * @return {T | null} The object if it is found or null otherwise.\n */\n search: function<T> (list: T[], comparisonFn: BinarySearchComparison<T>): T | null {\n let minIndex: number = 0;\n let maxIndex: number = list.length - 1;\n let currentIndex: number | null = null;\n let currentElement: T | null = null;\n\n while (minIndex <= maxIndex) {\n currentIndex = (minIndex + maxIndex) / 2 | 0;\n currentElement = list[currentIndex];\n\n let comparisonResult = comparisonFn(currentElement);\n if (comparisonResult > 0) {\n minIndex = currentIndex + 1;\n } else if (comparisonResult < 0) {\n maxIndex = currentIndex - 1;\n } else {\n return currentElement;\n }\n }\n\n return null;\n }\n};\n\nexport default BinarySearch;\n","/**\n * @module BufferHelper\n *\n * Providing methods dealing with buffer length retrieval for example.\n *\n * In general, a helper around HTML5 MediaElement TimeRanges gathered from `buffered` property.\n *\n * Also @see https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/buffered\n*/\n\ntype BufferTimeRange = {\n start: number\n end: number\n};\n\ntype Bufferable = {\n buffered: TimeRanges\n};\n\nexport class BufferHelper {\n /**\n * Return true if `media`'s buffered include `position`\n * @param {Bufferable} media\n * @param {number} position\n * @returns {boolean}\n */\n static isBuffered (media: Bufferable, position: number): boolean {\n try {\n if (media) {\n let buffered = media.buffered;\n for (let i = 0; i < buffered.length; i++) {\n if (position >= buffered.start(i) && position <= buffered.end(i)) {\n return true;\n }\n }\n }\n } catch (error) {\n // this is to catch\n // InvalidStateError: Failed to read the 'buffered' property from 'SourceBuffer':\n // This SourceBuffer has been removed from the parent media source\n }\n return false;\n }\n\n static bufferInfo (\n media: Bufferable,\n pos: number,\n maxHoleDuration: number\n ): {\n len: number,\n start: number,\n end: number,\n nextStart?: number,\n } {\n try {\n if (media) {\n let vbuffered = media.buffered;\n let buffered: BufferTimeRange[] = [];\n let i: number;\n for (i = 0; i < vbuffered.length; i++) {\n buffered.push({ start: vbuffered.start(i), end: vbuffered.end(i) });\n }\n\n return this.bufferedInfo(buffered, pos, maxHoleDuration);\n }\n } catch (error) {\n // this is to catch\n // InvalidStateError: Failed to read the 'buffered' property from 'SourceBuffer':\n // This SourceBuffer has been removed from the parent media source\n }\n return { len: 0, start: pos, end: pos, nextStart: undefined };\n }\n\n static bufferedInfo (\n buffered: BufferTimeRange[],\n pos: number,\n maxHoleDuration: number\n ): {\n len: number,\n start: number,\n end: number,\n nextStart?: number,\n } {\n // sort on buffer.start/smaller end (IE does not always return sorted buffered range)\n buffered.sort(function (a, b) {\n let diff = a.start - b.start;\n if (diff) {\n return diff;\n } else {\n return b.end - a.end;\n }\n });\n\n let buffered2: BufferTimeRange[] = [];\n if (maxHoleDuration) {\n // there might be some small holes between buffer time range\n // consider that holes smaller than maxHoleDuration are irrelevant and build another\n // buffer time range representations that discards those holes\n for (let i = 0; i < buffered.length; i++) {\n let buf2len = buffered2.length;\n if (buf2len) {\n let buf2end = buffered2[buf2len - 1].end;\n // if small hole (value between 0 or maxHoleDuration ) or overlapping (negative)\n if ((buffered[i].start - buf2end) < maxHoleDuration) {\n // merge overlapping time ranges\n // update lastRange.end only if smaller than item.end\n // e.g. [ 1, 15] with [ 2,8] => [ 1,15] (no need to modify lastRange.end)\n // whereas [ 1, 8] with [ 2,15] => [ 1,15] ( lastRange should switch from [1,8] to [1,15])\n if (buffered[i].end > buf2end) {\n buffered2[buf2len - 1].end = buffered[i].end;\n }\n } else {\n // big hole\n buffered2.push(buffered[i]);\n }\n } else {\n // first value\n buffered2.push(buffered[i]);\n }\n }\n } else {\n buffered2 = buffered;\n }\n\n let bufferLen = 0;\n\n // bufferStartNext can possibly be undefined based on the conditional logic below\n let bufferStartNext: number | undefined;\n\n // bufferStart and bufferEnd are buffer boundaries around current video position\n let bufferStart: number = pos;\n let bufferEnd: number = pos;\n for (let i = 0; i < buffered2.length; i++) {\n let start = buffered2[i].start,\n end = buffered2[i].end;\n // logger.log('buf start/end:' + buffered.start(i) + '/' + buffered.end(i));\n if ((pos + maxHoleDuration) >= start && pos < end) {\n // play position is inside this buffer TimeRange, retrieve end of buffer position and buffer length\n bufferStart = start;\n bufferEnd = end;\n bufferLen = bufferEnd - pos;\n } else if ((pos + maxHoleDuration) < start) {\n bufferStartNext = start;\n break;\n }\n }\n return { len: bufferLen, start: bufferStart, end: bufferEnd, nextStart: bufferStartNext };\n }\n\n // Trying to find buffered position within `maxFragLookUpTolerance`. Returns same position if\n // current time is already inside of buffered range or there is no buffered fragment\n // within `maxFragLookUpTolerance`.\n static getBufferedPosWithinTolerance(media, pos, maxFragLookUpTolerance) {\n const currentTime = media ? media.currentTime : undefined;\n\n // No need to seek if current playback position is already inside buffered range\n if (BufferHelper.isBuffered(media, currentTime)) {\n return pos;\n }\n\n const buffered = media.buffered;\n for (let i = 0; i < buffered.length; i++) {\n const start = buffered.start(i);\n\n // Returns the start position of buffered range if `currentTime` is within `maxFragLookUpTolerance` range\n if (start > currentTime && start < currentTime + maxFragLookUpTolerance) {\n return Math.ceil(start * 10) / 10;\n }\n }\n\n return pos;\n }\n}\n","/**\n * MediaSource helper\n */\n\nexport function getMediaSource (): typeof MediaSource | undefined {\n return (window as any).MediaSource || (window as any).WebKitMediaSource;\n}\n","import { EventEmitter } from 'eventemitter3';\n\n/**\n * Simple adapter sub-class of Nodejs-like EventEmitter.\n */\nexport class Observer extends EventEmitter {\n /**\n * We simply want to pass along the event-name itself\n * in every call to a handler, which is the purpose of our `trigger` method\n * extending the standard API.\n */\n trigger (event: string, ...data: Array<any>): void {\n this.emit(event, event, ...data);\n }\n}\n","import { EventEmitter } from 'eventemitter3';\nimport * as work from 'webworkify-webpack';\n\nimport Event from '../events';\nimport DemuxerInline from '../demux/demuxer-inline';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { getMediaSource } from '../utils/mediasource-helper';\nimport { getSelfScope } from '../utils/get-self-scope';\n\nimport { Observer } from '../observer';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\nconst MediaSource = getMediaSource() || { isTypeSupported: () => false };\n\nclass Demuxer {\n constructor (hls, id) {\n this.hls = hls;\n this.id = id;\n\n const observer = this.observer = new Observer();\n const config = hls.config;\n\n const forwardMessage = (ev, data) => {\n data = data || {};\n data.frag = this.frag;\n data.id = this.id;\n hls.trigger(ev, data);\n };\n\n // forward events to main thread\n observer.on(Event.FRAG_DECRYPTED, forwardMessage);\n observer.on(Event.FRAG_PARSING_INIT_SEGMENT, forwardMessage);\n observer.on(Event.FRAG_PARSING_DATA, forwardMessage);\n observer.on(Event.FRAG_PARSED, forwardMessage);\n observer.on(Event.ERROR, forwardMessage);\n observer.on(Event.FRAG_PARSING_METADATA, forwardMessage);\n observer.on(Event.FRAG_PARSING_USERDATA, forwardMessage);\n observer.on(Event.INIT_PTS_FOUND, forwardMessage);\n\n const typeSupported = {\n mp4: MediaSource.isTypeSupported('video/mp4'),\n mpeg: MediaSource.isTypeSupported('audio/mpeg'),\n mp3: MediaSource.isTypeSupported('audio/mp4; codecs=\"mp3\"')\n };\n // navigator.vendor is not always available in Web Worker\n // refer to https://developer.mozilla.org/en-US/docs/Web/API/WorkerGlobalScope/navigator\n const vendor = navigator.vendor;\n if (config.enableWorker && (typeof (Worker) !== 'undefined')) {\n logger.log('demuxing in webworker');\n let w;\n try {\n w = this.w = work(require.resolve('../demux/demuxer-worker.js'));\n this.onwmsg = this.onWorkerMessage.bind(this);\n w.addEventListener('message', this.onwmsg);\n w.onerror = function (event) {\n hls.trigger(Event.ERROR, { type: ErrorTypes.OTHER_ERROR, details: ErrorDetails.INTERNAL_EXCEPTION, fatal: true, event: 'demuxerWorker', err: { message: event.message + ' (' + event.filename + ':' + event.lineno + ')' } });\n };\n w.postMessage({ cmd: 'init', typeSupported: typeSupported, vendor: vendor, id: id, config: JSON.stringify(config) });\n } catch (err) {\n logger.warn('Error in worker:', err);\n logger.error('Error while initializing DemuxerWorker, fallback on DemuxerInline');\n if (w) {\n // revoke the Object URL that was used to create demuxer worker, so as not to leak it\n global.URL.revokeObjectURL(w.objectURL);\n }\n this.demuxer = new DemuxerInline(observer, typeSupported, config, vendor);\n this.w = undefined;\n }\n } else {\n this.demuxer = new DemuxerInline(observer, typeSupported, config, vendor);\n }\n }\n\n destroy () {\n let w = this.w;\n if (w) {\n w.removeEventListener('message', this.onwmsg);\n w.terminate();\n this.w = null;\n } else {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.destroy();\n this.demuxer = null;\n }\n }\n const observer = this.observer;\n if (observer) {\n observer.removeAllListeners();\n this.observer = null;\n }\n }\n\n push (data, initSegment, audioCodec, videoCodec, frag, duration, accurateTimeOffset, defaultInitPTS) {\n const w = this.w;\n const timeOffset = Number.isFinite(frag.startPTS) ? frag.startPTS : frag.start;\n const decryptdata = frag.decryptdata;\n const lastFrag = this.frag;\n const discontinuity = !(lastFrag && (frag.cc === lastFrag.cc));\n const trackSwitch = !(lastFrag && (frag.level === lastFrag.level));\n const nextSN = lastFrag && (frag.sn === (lastFrag.sn + 1));\n const contiguous = !trackSwitch && nextSN;\n if (discontinuity) {\n logger.log(`${this.id}:discontinuity detected`);\n }\n\n if (trackSwitch) {\n logger.log(`${this.id}:switch detected`);\n }\n\n this.frag = frag;\n if (w) {\n // post fragment payload as transferable objects for ArrayBuffer (no copy)\n w.postMessage({ cmd: 'demux', data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS }, data instanceof ArrayBuffer ? [data] : []);\n } else {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.push(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n }\n }\n }\n\n onWorkerMessage (ev) {\n let data = ev.data,\n hls = this.hls;\n switch (data.event) {\n case 'init':\n // revoke the Object URL that was used to create demuxer worker, so as not to leak it\n global.URL.revokeObjectURL(this.w.objectURL);\n break;\n // special case for FRAG_PARSING_DATA: data1 and data2 are transferable objects\n case Event.FRAG_PARSING_DATA:\n data.data.data1 = new Uint8Array(data.data1);\n if (data.data2) {\n data.data.data2 = new Uint8Array(data.data2);\n }\n\n /* falls through */\n default:\n data.data = data.data || {};\n data.data.frag = this.frag;\n data.data.id = this.id;\n hls.trigger(data.event, data.data);\n break;\n }\n }\n}\n\nexport default Demuxer;\n","/**\n * @module LevelHelper\n *\n * Providing methods dealing with playlist sliding and drift\n *\n * TODO: Create an actual `Level` class/model that deals with all this logic in an object-oriented-manner.\n *\n * */\n\nimport { logger } from '../utils/logger';\n\nexport function addGroupId (level, type, id) {\n switch (type) {\n case 'audio':\n if (!level.audioGroupIds) {\n level.audioGroupIds = [];\n }\n level.audioGroupIds.push(id);\n break;\n case 'text':\n if (!level.textGroupIds) {\n level.textGroupIds = [];\n }\n level.textGroupIds.push(id);\n break;\n }\n}\n\nexport function updatePTS (fragments, fromIdx, toIdx) {\n let fragFrom = fragments[fromIdx], fragTo = fragments[toIdx], fragToPTS = fragTo.startPTS;\n // if we know startPTS[toIdx]\n if (Number.isFinite(fragToPTS)) {\n // update fragment duration.\n // it helps to fix drifts between playlist reported duration and fragment real duration\n if (toIdx > fromIdx) {\n fragFrom.duration = fragToPTS - fragFrom.start;\n if (fragFrom.duration < 0) {\n logger.warn(`negative duration computed for frag ${fragFrom.sn},level ${fragFrom.level}, there should be some duration drift between playlist and fragment!`);\n }\n } else {\n fragTo.duration = fragFrom.start - fragToPTS;\n if (fragTo.duration < 0) {\n logger.warn(`negative duration computed for frag ${fragTo.sn},level ${fragTo.level}, there should be some duration drift between playlist and fragment!`);\n }\n }\n } else {\n // we dont know startPTS[toIdx]\n if (toIdx > fromIdx) {\n fragTo.start = fragFrom.start + fragFrom.duration;\n } else {\n fragTo.start = Math.max(fragFrom.start - fragTo.duration, 0);\n }\n }\n}\n\nexport function updateFragPTSDTS (details, frag, startPTS, endPTS, startDTS, endDTS) {\n // update frag PTS/DTS\n let maxStartPTS = startPTS;\n if (Number.isFinite(frag.startPTS)) {\n // delta PTS between audio and video\n let deltaPTS = Math.abs(frag.startPTS - startPTS);\n if (!Number.isFinite(frag.deltaPTS)) {\n frag.deltaPTS = deltaPTS;\n } else {\n frag.deltaPTS = Math.max(deltaPTS, frag.deltaPTS);\n }\n\n maxStartPTS = Math.max(startPTS, frag.startPTS);\n startPTS = Math.min(startPTS, frag.startPTS);\n endPTS = Math.max(endPTS, frag.endPTS);\n startDTS = Math.min(startDTS, frag.startDTS);\n endDTS = Math.max(endDTS, frag.endDTS);\n }\n\n const drift = startPTS - frag.start;\n frag.start = frag.startPTS = startPTS;\n frag.maxStartPTS = maxStartPTS;\n frag.endPTS = endPTS;\n frag.startDTS = startDTS;\n frag.endDTS = endDTS;\n frag.duration = endPTS - startPTS;\n\n const sn = frag.sn;\n // exit if sn out of range\n if (!details || sn < details.startSN || sn > details.endSN) {\n return 0;\n }\n\n let fragIdx, fragments, i;\n fragIdx = sn - details.startSN;\n fragments = details.fragments;\n // update frag reference in fragments array\n // rationale is that fragments array might not contain this frag object.\n // this will happen if playlist has been refreshed between frag loading and call to updateFragPTSDTS()\n // if we don't update frag, we won't be able to propagate PTS info on the playlist\n // resulting in invalid sliding computation\n fragments[fragIdx] = frag;\n // adjust fragment PTS/duration from seqnum-1 to frag 0\n for (i = fragIdx; i > 0; i--) {\n updatePTS(fragments, i, i - 1);\n }\n\n // adjust fragment PTS/duration from seqnum to last frag\n for (i = fragIdx; i < fragments.length - 1; i++) {\n updatePTS(fragments, i, i + 1);\n }\n\n details.PTSKnown = true;\n return drift;\n}\n\nexport function mergeDetails (oldDetails, newDetails) {\n // potentially retrieve cached initsegment\n if (newDetails.initSegment && oldDetails.initSegment) {\n newDetails.initSegment = oldDetails.initSegment;\n }\n\n // check if old/new playlists have fragments in common\n // loop through overlapping SN and update startPTS , cc, and duration if any found\n let ccOffset = 0;\n let PTSFrag;\n mapFragmentIntersection(oldDetails, newDetails, (oldFrag, newFrag) => {\n ccOffset = oldFrag.cc - newFrag.cc;\n if (Number.isFinite(oldFrag.startPTS)) {\n newFrag.start = newFrag.startPTS = oldFrag.startPTS;\n newFrag.endPTS = oldFrag.endPTS;\n newFrag.duration = oldFrag.duration;\n newFrag.backtracked = oldFrag.backtracked;\n newFrag.dropped = oldFrag.dropped;\n PTSFrag = newFrag;\n }\n // PTS is known when there are overlapping segments\n newDetails.PTSKnown = true;\n });\n\n if (!newDetails.PTSKnown) {\n return;\n }\n\n if (ccOffset) {\n logger.log('discontinuity sliding from playlist, take drift into account');\n const newFragments = newDetails.fragments;\n for (let i = 0; i < newFragments.length; i++) {\n newFragments[i].cc += ccOffset;\n }\n }\n\n // if at least one fragment contains PTS info, recompute PTS information for all fragments\n if (PTSFrag) {\n updateFragPTSDTS(newDetails, PTSFrag, PTSFrag.startPTS, PTSFrag.endPTS, PTSFrag.startDTS, PTSFrag.endDTS);\n } else {\n // ensure that delta is within oldFragments range\n // also adjust sliding in case delta is 0 (we could have old=[50-60] and new=old=[50-61])\n // in that case we also need to adjust start offset of all fragments\n adjustSliding(oldDetails, newDetails);\n }\n // if we are here, it means we have fragments overlapping between\n // old and new level. reliable PTS info is thus relying on old level\n newDetails.PTSKnown = oldDetails.PTSKnown;\n}\n\nexport function mergeSubtitlePlaylists (oldPlaylist, newPlaylist, referenceStart = 0) {\n let lastIndex = -1;\n mapFragmentIntersection(oldPlaylist, newPlaylist, (oldFrag, newFrag, index) => {\n newFrag.start = oldFrag.start;\n lastIndex = index;\n });\n\n const frags = newPlaylist.fragments;\n if (lastIndex < 0) {\n frags.forEach(frag => {\n frag.start += referenceStart;\n });\n return;\n }\n\n for (let i = lastIndex + 1; i < frags.length; i++) {\n frags[i].start = (frags[i - 1].start + frags[i - 1].duration);\n }\n}\n\nexport function mapFragmentIntersection (oldPlaylist, newPlaylist, intersectionFn) {\n if (!oldPlaylist || !newPlaylist) {\n return;\n }\n\n const start = Math.max(oldPlaylist.startSN, newPlaylist.startSN) - newPlaylist.startSN;\n const end = Math.min(oldPlaylist.endSN, newPlaylist.endSN) - newPlaylist.startSN;\n const delta = newPlaylist.startSN - oldPlaylist.startSN;\n\n for (let i = start; i <= end; i++) {\n const oldFrag = oldPlaylist.fragments[delta + i];\n const newFrag = newPlaylist.fragments[i];\n if (!oldFrag || !newFrag) {\n break;\n }\n intersectionFn(oldFrag, newFrag, i);\n }\n}\n\nexport function adjustSliding (oldPlaylist, newPlaylist) {\n const delta = newPlaylist.startSN - oldPlaylist.startSN;\n const oldFragments = oldPlaylist.fragments;\n const newFragments = newPlaylist.fragments;\n\n if (delta < 0 || delta > oldFragments.length) {\n return;\n }\n for (let i = 0; i < newFragments.length; i++) {\n newFragments[i].start += oldFragments[delta].start;\n }\n}\n\nexport function computeReloadInterval (currentPlaylist, newPlaylist, lastRequestTime) {\n let reloadInterval = 1000 * (newPlaylist.averagetargetduration ? newPlaylist.averagetargetduration : newPlaylist.targetduration);\n const minReloadInterval = reloadInterval / 2;\n if (currentPlaylist && newPlaylist.endSN === currentPlaylist.endSN) {\n // follow HLS Spec, If the client reloads a Playlist file and finds that it has not\n // changed then it MUST wait for a period of one-half the target\n // duration before retrying.\n reloadInterval = minReloadInterval;\n }\n\n if (lastRequestTime) {\n reloadInterval = Math.max(minReloadInterval, reloadInterval - (window.performance.now() - lastRequestTime));\n }\n // in any case, don't reload more than half of target duration\n return Math.round(reloadInterval);\n}\n","/**\n * TimeRanges to string helper\n */\n\nconst TimeRanges = {\n toString: function (r: TimeRanges) {\n let log = '';\n let len = r.length;\n for (let i = 0; i < len; i++) {\n log += '[' + r.start(i).toFixed(3) + ',' + r.end(i).toFixed(3) + ']';\n }\n\n return log;\n }\n};\n\nexport default TimeRanges;\n","import BinarySearch from './binary-search';\nimport { logger } from '../utils/logger';\n\nexport function findFirstFragWithCC (fragments, cc) {\n let firstFrag = null;\n\n for (let i = 0; i < fragments.length; i += 1) {\n const currentFrag = fragments[i];\n if (currentFrag && currentFrag.cc === cc) {\n firstFrag = currentFrag;\n break;\n }\n }\n\n return firstFrag;\n}\n\nexport function findFragWithCC (fragments, CC) {\n return BinarySearch.search(fragments, (candidate) => {\n if (candidate.cc < CC) {\n return 1;\n } else if (candidate.cc > CC) {\n return -1;\n } else {\n return 0;\n }\n });\n}\n\nexport function shouldAlignOnDiscontinuities (lastFrag, lastLevel, details) {\n let shouldAlign = false;\n if (lastLevel && lastLevel.details && details) {\n if (details.endCC > details.startCC || (lastFrag && lastFrag.cc < details.startCC)) {\n shouldAlign = true;\n }\n }\n return shouldAlign;\n}\n\n// Find the first frag in the previous level which matches the CC of the first frag of the new level\nexport function findDiscontinuousReferenceFrag (prevDetails, curDetails) {\n const prevFrags = prevDetails.fragments;\n const curFrags = curDetails.fragments;\n\n if (!curFrags.length || !prevFrags.length) {\n logger.log('No fragments to align');\n return;\n }\n\n const prevStartFrag = findFirstFragWithCC(prevFrags, curFrags[0].cc);\n\n if (!prevStartFrag || (prevStartFrag && !prevStartFrag.startPTS)) {\n logger.log('No frag in previous level to align on');\n return;\n }\n\n return prevStartFrag;\n}\n\nexport function adjustPts (sliding, details) {\n details.fragments.forEach((frag) => {\n if (frag) {\n let start = frag.start + sliding;\n frag.start = frag.startPTS = start;\n frag.endPTS = start + frag.duration;\n }\n });\n details.PTSKnown = true;\n}\n\n/**\n * Using the parameters of the last level, this function computes PTS' of the new fragments so that they form a\n * contiguous stream with the last fragments.\n * The PTS of a fragment lets Hls.js know where it fits into a stream - by knowing every PTS, we know which fragment to\n * download at any given time. PTS is normally computed when the fragment is demuxed, so taking this step saves us time\n * and an extra download.\n * @param lastFrag\n * @param lastLevel\n * @param details\n */\nexport function alignStream (lastFrag, lastLevel, details) {\n alignDiscontinuities(lastFrag, details, lastLevel);\n if (!details.PTSKnown && lastLevel) {\n // If the PTS wasn't figured out via discontinuity sequence that means there was no CC increase within the level.\n // Aligning via Program Date Time should therefore be reliable, since PDT should be the same within the same\n // discontinuity sequence.\n alignPDT(details, lastLevel.details);\n }\n}\n\n/**\n * Computes the PTS if a new level's fragments using the PTS of a fragment in the last level which shares the same\n * discontinuity sequence.\n * @param lastLevel - The details of the last loaded level\n * @param details - The details of the new level\n */\nexport function alignDiscontinuities (lastFrag, details, lastLevel) {\n if (shouldAlignOnDiscontinuities(lastFrag, lastLevel, details)) {\n const referenceFrag = findDiscontinuousReferenceFrag(lastLevel.details, details);\n if (referenceFrag) {\n logger.log('Adjusting PTS using last level due to CC increase within current level');\n adjustPts(referenceFrag.start, details);\n }\n }\n}\n\n/**\n * Computes the PTS of a new level's fragments using the difference in Program Date Time from the last level.\n * @param details - The details of the new level\n * @param lastDetails - The details of the last loaded level\n */\nexport function alignPDT (details, lastDetails) {\n if (lastDetails && lastDetails.fragments.length) {\n if (!details.hasProgramDateTime || !lastDetails.hasProgramDateTime) {\n return;\n }\n // if last level sliding is 1000 and its first frag PROGRAM-DATE-TIME is 2017-08-20 1:10:00 AM\n // and if new details first frag PROGRAM DATE-TIME is 2017-08-20 1:10:08 AM\n // then we can deduce that playlist B sliding is 1000+8 = 1008s\n let lastPDT = lastDetails.fragments[0].programDateTime;\n let newPDT = details.fragments[0].programDateTime;\n // date diff is in ms. frag.start is in seconds\n let sliding = (newPDT - lastPDT) / 1000 + lastDetails.fragments[0].start;\n if (Number.isFinite(sliding)) {\n logger.log(`adjusting PTS using programDateTime delta, sliding:${sliding.toFixed(3)}`);\n adjustPts(sliding, details);\n }\n }\n}\n","import BinarySearch from '../utils/binary-search';\nimport Fragment from '../loader/fragment';\n\n/**\n * Returns first fragment whose endPdt value exceeds the given PDT.\n * @param {Array<Fragment>} fragments - The array of candidate fragments\n * @param {number|null} [PDTValue = null] - The PDT value which must be exceeded\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start/end can be within in order to be considered contiguous\n * @returns {*|null} fragment - The best matching fragment\n */\nexport function findFragmentByPDT (fragments: Array<Fragment>, PDTValue: number | null, maxFragLookUpTolerance: number): Fragment | null {\n if (PDTValue === null || !Array.isArray(fragments) || !fragments.length || !Number.isFinite(PDTValue)) {\n return null;\n }\n\n // if less than start\n const startPDT = fragments[0].programDateTime;\n if (PDTValue < (startPDT || 0)) {\n return null;\n }\n\n const endPDT = fragments[fragments.length - 1].endProgramDateTime;\n if (PDTValue >= (endPDT || 0)) {\n return null;\n }\n\n maxFragLookUpTolerance = maxFragLookUpTolerance || 0;\n for (let seg = 0; seg < fragments.length; ++seg) {\n let frag = fragments[seg];\n if (pdtWithinToleranceTest(PDTValue, maxFragLookUpTolerance, frag)) {\n return frag;\n }\n }\n\n return null;\n}\n\n/**\n * Finds a fragment based on the SN of the previous fragment; or based on the needs of the current buffer.\n * This method compensates for small buffer gaps by applying a tolerance to the start of any candidate fragment, thus\n * breaking any traps which would cause the same fragment to be continuously selected within a small range.\n * @param {*} fragPrevious - The last frag successfully appended\n * @param {Array<Fragment>} fragments - The array of candidate fragments\n * @param {number} [bufferEnd = 0] - The end of the contiguous buffered range the playhead is currently within\n * @param {number} maxFragLookUpTolerance - The amount of time that a fragment's start/end can be within in order to be considered contiguous\n * @returns {*} foundFrag - The best matching fragment\n */\nexport function findFragmentByPTS (fragPrevious: Fragment, fragments: Array<Fragment>, bufferEnd: number = 0, maxFragLookUpTolerance: number = 0): Fragment | null {\n const fragNext = fragPrevious ? fragments[fragPrevious.sn as number - (fragments[0].sn as number) + 1] : null;\n // Prefer the next fragment if it's within tolerance\n if (fragNext && !fragmentWithinToleranceTest(bufferEnd, maxFragLookUpTolerance, fragNext)) {\n return fragNext;\n }\n return BinarySearch.search(fragments, fragmentWithinToleranceTest.bind(null, bufferEnd, maxFragLookUpTolerance));\n}\n\n/**\n * The test function used by the findFragmentBySn's BinarySearch to look for the best match to the current buffer conditions.\n * @param {*} candidate - The fragment to test\n * @param {number} [bufferEnd = 0] - The end of the current buffered range the playhead is currently within\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start can be within in order to be considered contiguous\n * @returns {number} - 0 if it matches, 1 if too low, -1 if too high\n */\nexport function fragmentWithinToleranceTest (bufferEnd = 0, maxFragLookUpTolerance = 0, candidate: Fragment) {\n // offset should be within fragment boundary - config.maxFragLookUpTolerance\n // this is to cope with situations like\n // bufferEnd = 9.991\n // frag[Ø] : [0,10]\n // frag[1] : [10,20]\n // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here\n // frag start frag start+duration\n // |-----------------------------|\n // <---> <--->\n // ...--------><-----------------------------><---------....\n // previous frag matching fragment next frag\n // return -1 return 0 return 1\n // logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`);\n // Set the lookup tolerance to be small enough to detect the current segment - ensures we don't skip over very small segments\n let candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration + (candidate.deltaPTS ? candidate.deltaPTS : 0));\n if (candidate.start + candidate.duration - candidateLookupTolerance <= bufferEnd) {\n return 1;\n } else if (candidate.start - candidateLookupTolerance > bufferEnd && candidate.start) {\n // if maxFragLookUpTolerance will have negative value then don't return -1 for first element\n return -1;\n }\n\n return 0;\n}\n\n/**\n * The test function used by the findFragmentByPdt's BinarySearch to look for the best match to the current buffer conditions.\n * This function tests the candidate's program date time values, as represented in Unix time\n * @param {*} candidate - The fragment to test\n * @param {number} [pdtBufferEnd = 0] - The Unix time representing the end of the current buffered range\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start can be within in order to be considered contiguous\n * @returns {boolean} True if contiguous, false otherwise\n */\nexport function pdtWithinToleranceTest (pdtBufferEnd: number, maxFragLookUpTolerance: number, candidate: Fragment): boolean {\n let candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration + (candidate.deltaPTS ? candidate.deltaPTS : 0)) * 1000;\n\n // endProgramDateTime can be null, default to zero\n const endProgramDateTime = candidate.endProgramDateTime || 0;\n return endProgramDateTime - candidateLookupTolerance > pdtBufferEnd;\n}\n","import { BufferHelper } from '../utils/buffer-helper';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport Event from '../events';\nimport { logger } from '../utils/logger';\n\nexport const STALL_MINIMUM_DURATION_MS = 250;\nexport const MAX_START_GAP_JUMP = 2.0;\nexport const SKIP_BUFFER_HOLE_STEP_SECONDS = 0.1;\nexport const SKIP_BUFFER_RANGE_START = 0.05;\n\nexport default class GapController {\n constructor (config, media, fragmentTracker, hls) {\n this.config = config;\n this.media = media;\n this.fragmentTracker = fragmentTracker;\n this.hls = hls;\n this.nudgeRetry = 0;\n this.stallReported = false;\n this.stalled = null;\n this.moved = false;\n this.seeking = false;\n }\n\n /**\n * Checks if the playhead is stuck within a gap, and if so, attempts to free it.\n * A gap is an unbuffered range between two buffered ranges (or the start and the first buffered range).\n *\n * @param {number} lastCurrentTime Previously read playhead position\n */\n poll (lastCurrentTime) {\n const { config, media, stalled } = this;\n const { currentTime, seeking } = media;\n const seeked = this.seeking && !seeking;\n const beginSeek = !this.seeking && seeking;\n\n this.seeking = seeking;\n\n // The playhead is moving, no-op\n if (currentTime !== lastCurrentTime) {\n this.moved = true;\n if (stalled !== null) {\n // The playhead is now moving, but was previously stalled\n if (this.stallReported) {\n const stalledDuration = self.performance.now() - stalled;\n logger.warn(`playback not stuck anymore @${currentTime}, after ${Math.round(stalledDuration)}ms`);\n this.stallReported = false;\n }\n this.stalled = null;\n this.nudgeRetry = 0;\n }\n return;\n }\n\n // Clear stalled state when beginning or finishing seeking so that we don't report stalls coming out of a seek\n if (beginSeek || seeked) {\n this.stalled = null;\n }\n\n const { seekWithinTolerance } = this.config;\n if (seekWithinTolerance && (seeking || seeked)) {\n this.seekWithinToleranceIfNeeded();\n }\n\n // The playhead should not be moving\n if (media.paused || media.ended || media.playbackRate === 0 || !media.buffered.length) {\n return;\n }\n\n const bufferInfo = BufferHelper.bufferInfo(media, currentTime, 0);\n const isBuffered = bufferInfo.len > 0;\n const nextStart = bufferInfo.nextStart || 0;\n\n // There is no playable buffer (waiting for buffer append)\n if (!isBuffered && !nextStart) {\n return;\n }\n\n if (seeking) {\n // Waiting for seeking in a buffered range to complete\n const hasEnoughBuffer = bufferInfo.len > MAX_START_GAP_JUMP;\n // Next buffered range is too far ahead to jump to while still seeking\n const noBufferGap = !nextStart || nextStart - currentTime > MAX_START_GAP_JUMP;\n if (hasEnoughBuffer || noBufferGap) {\n return;\n }\n // Reset moved state when seeking to a point in or before a gap\n this.moved = false;\n }\n\n // Skip start gaps if we haven't played, but the last poll detected the start of a stall\n // The addition poll gives the browser a chance to jump the gap for us\n if (!this.moved && this.stalled) {\n // Jump start gaps within jump threshold\n const startJump = Math.max(nextStart, bufferInfo.start || 0) - currentTime;\n if (startJump > 0 && startJump <= MAX_START_GAP_JUMP) {\n this._trySkipBufferHole(null);\n return;\n }\n }\n\n // Start tracking stall time\n const tnow = self.performance.now();\n if (stalled === null) {\n this.stalled = tnow;\n return;\n }\n\n const stalledDuration = tnow - stalled;\n if (!seeking && stalledDuration >= STALL_MINIMUM_DURATION_MS) {\n // Report stalling after trying to fix\n this._reportStall(bufferInfo.len);\n }\n\n const bufferedWithHoles = BufferHelper.bufferInfo(media, currentTime, config.maxBufferHole);\n this._tryFixBufferStall(bufferedWithHoles, stalledDuration);\n }\n\n // If current position is outside of buffered range and there is a buffered fragment within `maxFragLookUpTolerance`\n // will seek to this buffered fragment. It helps to prevent playback stalls\n seekWithinToleranceIfNeeded() {\n const media = this.media;\n const currentTime = media ? media.currentTime : undefined;\n const { maxFragLookUpTolerance } = this.config;\n\n // Trying to find buffered position within `maxFragLookUpTolerance`. Returns same position if\n // current time is already inside of buffered range or there is no buffered fragment\n // within `maxFragLookUpTolerance`.\n const bufferedPosWithinTolerance =\n BufferHelper.getBufferedPosWithinTolerance(media, currentTime, maxFragLookUpTolerance);\n\n if (currentTime !== bufferedPosWithinTolerance) {\n logger.log(`seeking to position within maxFragLookUpTolerance - ${bufferedPosWithinTolerance}`);\n media.currentTime = bufferedPosWithinTolerance;\n return true;\n }\n\n return false;\n }\n\n /**\n * Detects and attempts to fix known buffer stalling issues.\n * @param bufferInfo - The properties of the current buffer.\n * @param stalledDurationMs - The amount of time Hls.js has been stalling for.\n * @private\n */\n _tryFixBufferStall (bufferInfo, stalledDurationMs) {\n const { config, fragmentTracker, media } = this;\n const currentTime = media.currentTime;\n\n const partial = fragmentTracker.getPartialFragment(currentTime);\n if (partial) {\n // Try to skip over the buffer hole caused by a partial fragment\n // This method isn't limited by the size of the gap between buffered ranges\n const targetTime = this._trySkipBufferHole(partial);\n // we return here in this case, meaning\n // the branch below only executes when we don't handle a partial fragment\n if (targetTime) {\n return;\n }\n }\n\n // if we haven't had to skip over a buffer hole of a partial fragment\n // we may just have to \"nudge\" the playlist as the browser decoding/rendering engine\n // needs to cross some sort of threshold covering all source-buffers content\n // to start playing properly.\n if (bufferInfo.len > config.maxBufferHole &&\n stalledDurationMs > config.highBufferWatchdogPeriod * 1000) {\n logger.warn('Trying to nudge playhead over buffer-hole');\n // Try to nudge currentTime over a buffer hole if we've been stalling for the configured amount of seconds\n // We only try to jump the hole if it's under the configured size\n // Reset stalled so to rearm watchdog timer\n this.stalled = null;\n this._tryNudgeBuffer();\n }\n }\n\n /**\n * Triggers a BUFFER_STALLED_ERROR event, but only once per stall period.\n * @param bufferLen - The playhead distance from the end of the current buffer segment.\n * @private\n */\n _reportStall (bufferLen) {\n const { hls, media, stallReported } = this;\n if (!stallReported) {\n // Report stalled error once\n this.stallReported = true;\n logger.warn(`Playback stalling at @${media.currentTime} due to low buffer`);\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_STALLED_ERROR,\n fatal: false,\n buffer: bufferLen\n });\n }\n }\n\n /**\n * Attempts to fix buffer stalls by jumping over known gaps caused by partial fragments\n * @param partial - The partial fragment found at the current time (where playback is stalling).\n * @private\n */\n _trySkipBufferHole (partial) {\n const { config, hls, media } = this;\n const currentTime = media.currentTime;\n let lastEndTime = 0;\n // Check if currentTime is between unbuffered regions of partial fragments\n for (let i = 0; i < media.buffered.length; i++) {\n const startTime = media.buffered.start(i);\n if (currentTime + config.maxBufferHole >= lastEndTime && currentTime < startTime) {\n const targetTime = Math.max(startTime + SKIP_BUFFER_RANGE_START, media.currentTime + SKIP_BUFFER_HOLE_STEP_SECONDS);\n logger.warn(`skipping hole, adjusting currentTime from ${currentTime} to ${targetTime}`);\n this.moved = true;\n this.stalled = null;\n media.currentTime = targetTime;\n if (partial) {\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_SEEK_OVER_HOLE,\n fatal: false,\n reason: `fragment loaded with buffer holes, seeking from ${currentTime} to ${targetTime}`,\n frag: partial\n });\n }\n return targetTime;\n }\n lastEndTime = media.buffered.end(i);\n }\n return 0;\n }\n\n /**\n * Attempts to fix buffer stalls by advancing the mediaElement's current time by a small amount.\n * @private\n */\n _tryNudgeBuffer () {\n const { config, hls, media } = this;\n const currentTime = media.currentTime;\n const nudgeRetry = (this.nudgeRetry || 0) + 1;\n this.nudgeRetry = nudgeRetry;\n\n if (nudgeRetry < config.nudgeMaxRetry) {\n const targetTime = currentTime + nudgeRetry * config.nudgeOffset;\n // playback stalled in buffered area ... let's nudge currentTime to try to overcome this\n logger.warn(`Nudging 'currentTime' from ${currentTime} to ${targetTime}`);\n media.currentTime = targetTime;\n\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_NUDGE_ON_STALL,\n fatal: false\n });\n } else {\n logger.error(`Playhead still not moving while enough data buffered @${currentTime} after ${config.nudgeMaxRetry} nudges`);\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_STALLED_ERROR,\n fatal: true\n });\n }\n }\n}\n","import EventHandler from './event-handler';\nimport Hls from './hls';\n\n/**\n * Sub-class specialization of EventHandler base class.\n *\n * TaskLoop allows to schedule a task function being called (optionnaly repeatedly) on the main loop,\n * scheduled asynchroneously, avoiding recursive calls in the same tick.\n *\n * The task itself is implemented in `doTick`. It can be requested and called for single execution\n * using the `tick` method.\n *\n * It will be assured that the task execution method (`tick`) only gets called once per main loop \"tick\",\n * no matter how often it gets requested for execution. Execution in further ticks will be scheduled accordingly.\n *\n * If further execution requests have already been scheduled on the next tick, it can be checked with `hasNextTick`,\n * and cancelled with `clearNextTick`.\n *\n * The task can be scheduled as an interval repeatedly with a period as parameter (see `setInterval`, `clearInterval`).\n *\n * Sub-classes need to implement the `doTick` method which will effectively have the task execution routine.\n *\n * Further explanations:\n *\n * The baseclass has a `tick` method that will schedule the doTick call. It may be called synchroneously\n * only for a stack-depth of one. On re-entrant calls, sub-sequent calls are scheduled for next main loop ticks.\n *\n * When the task execution (`tick` method) is called in re-entrant way this is detected and\n * we are limiting the task execution per call stack to exactly one, but scheduling/post-poning further\n * task processing on the next main loop iteration (also known as \"next tick\" in the Node/JS runtime lingo).\n */\n\nexport default class TaskLoop extends EventHandler {\n private readonly _boundTick: () => void;\n private _tickTimer: number | null = null;\n private _tickInterval: number | null = null;\n private _tickCallCount = 0;\n\n constructor (hls: Hls, ...events: string[]) {\n super(hls, ...events);\n this._boundTick = this.tick.bind(this);\n }\n\n /**\n * @override\n */\n protected onHandlerDestroying () {\n // clear all timers before unregistering from event bus\n this.clearNextTick();\n this.clearInterval();\n }\n\n /**\n * @returns {boolean}\n */\n public hasInterval (): boolean {\n return !!this._tickInterval;\n }\n\n /**\n * @returns {boolean}\n */\n public hasNextTick (): boolean {\n return !!this._tickTimer;\n }\n\n /**\n * @param {number} millis Interval time (ms)\n * @returns {boolean} True when interval has been scheduled, false when already scheduled (no effect)\n */\n public setInterval (millis: number): boolean {\n if (!this._tickInterval) {\n this._tickInterval = self.setInterval(this._boundTick, millis);\n return true;\n }\n return false;\n }\n\n /**\n * @returns {boolean} True when interval was cleared, false when none was set (no effect)\n */\n public clearInterval (): boolean {\n if (this._tickInterval) {\n self.clearInterval(this._tickInterval);\n this._tickInterval = null;\n return true;\n }\n return false;\n }\n\n /**\n * @returns {boolean} True when timeout was cleared, false when none was set (no effect)\n */\n public clearNextTick (): boolean {\n if (this._tickTimer) {\n self.clearTimeout(this._tickTimer);\n this._tickTimer = null;\n return true;\n }\n return false;\n }\n\n /**\n * Will call the subclass doTick implementation in this main loop tick\n * or in the next one (via setTimeout(,0)) in case it has already been called\n * in this tick (in case this is a re-entrant call).\n */\n public tick (): void {\n this._tickCallCount++;\n if (this._tickCallCount === 1) {\n this.doTick();\n // re-entrant call to tick from previous doTick call stack\n // -> schedule a call on the next main loop iteration to process this task processing request\n if (this._tickCallCount > 1) {\n // make sure only one timer exists at any time at max\n this.clearNextTick();\n this._tickTimer = self.setTimeout(this._boundTick, 0);\n }\n this._tickCallCount = 0;\n }\n }\n\n /**\n * For subclass to implement task logic\n * @abstract\n */\n protected doTick (): void {}\n}\n","import TaskLoop from '../task-loop';\nimport { FragmentState } from './fragment-tracker';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport { logger } from '../utils/logger';\n\nexport const State = {\n STOPPED: 'STOPPED',\n STARTING: 'STARTING',\n IDLE: 'IDLE',\n PAUSED: 'PAUSED',\n KEY_LOADING: 'KEY_LOADING',\n FRAG_LOADING: 'FRAG_LOADING',\n FRAG_LOADING_WAITING_RETRY: 'FRAG_LOADING_WAITING_RETRY',\n WAITING_TRACK: 'WAITING_TRACK',\n PARSING: 'PARSING',\n PARSED: 'PARSED',\n BUFFER_FLUSHING: 'BUFFER_FLUSHING',\n ENDED: 'ENDED',\n ERROR: 'ERROR',\n WAITING_INIT_PTS: 'WAITING_INIT_PTS',\n WAITING_LEVEL: 'WAITING_LEVEL'\n};\n\nexport default class BaseStreamController extends TaskLoop {\n doTick () {}\n\n startLoad () {}\n\n stopLoad () {\n let frag = this.fragCurrent;\n if (frag) {\n if (frag.loader) {\n frag.loader.abort();\n }\n this.fragmentTracker.removeFragment(frag);\n }\n if (this.demuxer) {\n this.demuxer.destroy();\n this.demuxer = null;\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n this.clearInterval();\n this.clearNextTick();\n this.state = State.STOPPED;\n }\n\n _streamEnded (bufferInfo, levelDetails) {\n const { fragCurrent, fragmentTracker } = this;\n // we just got done loading the final fragment and there is no other buffered range after ...\n // rationale is that in case there are any buffered ranges after, it means that there are unbuffered portion in between\n // so we should not switch to ENDED in that case, to be able to buffer them\n // dont switch to ENDED if we need to backtrack last fragment\n if (!levelDetails.live && fragCurrent && !fragCurrent.backtracked && fragCurrent.sn === levelDetails.endSN && !bufferInfo.nextStart) {\n const fragState = fragmentTracker.getState(fragCurrent);\n return fragState === FragmentState.PARTIAL || fragState === FragmentState.OK;\n }\n return false;\n }\n\n onMediaSeeking () {\n const { config, media, mediaBuffer, state } = this;\n const currentTime = media ? media.currentTime : null;\n const bufferInfo = BufferHelper.bufferInfo(mediaBuffer || media, currentTime, this.config.maxBufferHole);\n\n if (Number.isFinite(currentTime)) {\n logger.log(`media seeking to ${currentTime.toFixed(3)}`);\n }\n\n if (state === State.FRAG_LOADING) {\n let fragCurrent = this.fragCurrent;\n // check if we are seeking to a unbuffered area AND if frag loading is in progress\n if (bufferInfo.len === 0 && fragCurrent) {\n const tolerance = config.maxFragLookUpTolerance;\n const fragStartOffset = fragCurrent.start - tolerance;\n const fragEndOffset = fragCurrent.start + fragCurrent.duration + tolerance;\n // check if we seek position will be out of currently loaded frag range : if out cancel frag load, if in, don't do anything\n if (currentTime < fragStartOffset || currentTime > fragEndOffset) {\n if (fragCurrent.loader) {\n logger.log('seeking outside of buffer while fragment load in progress, cancel fragment load');\n fragCurrent.loader.abort();\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n // switch to IDLE state to load new fragment\n this.state = State.IDLE;\n } else {\n logger.log('seeking outside of buffer but within currently loaded fragment range');\n }\n }\n } else if (state === State.ENDED) {\n // if seeking to unbuffered area, clean up fragPrevious\n if (bufferInfo.len === 0) {\n this.fragPrevious = null;\n this.fragCurrent = null;\n }\n\n // switch to IDLE state to check for potential new fragment\n this.state = State.IDLE;\n }\n if (media) {\n this.lastCurrentTime = currentTime;\n }\n\n // in case seeking occurs although no media buffered, adjust startPosition and nextLoadPosition to seek target\n if (!this.loadedmetadata) {\n this.nextLoadPosition = this.startPosition = currentTime;\n }\n\n // tick to speed up processing\n this.tick();\n }\n\n onMediaEnded () {\n // reset startPosition and lastCurrentTime to restart playback @ stream beginning\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n onHandlerDestroying () {\n this.stopLoad();\n super.onHandlerDestroying();\n }\n\n onHandlerDestroyed () {\n this.state = State.STOPPED;\n this.fragmentTracker = null;\n }\n\n computeLivePosition (sliding, levelDetails) {\n let targetLatency = this.config.liveSyncDuration !== undefined ? this.config.liveSyncDuration : this.config.liveSyncDurationCount * levelDetails.targetduration;\n return sliding + Math.max(0, levelDetails.totalduration - targetLatency);\n }\n}\n","/*\n * Stream Controller\n*/\n\nimport BinarySearch from '../utils/binary-search';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport Demuxer from '../demux/demuxer';\nimport Event from '../events';\nimport { FragmentState } from './fragment-tracker';\nimport { ElementaryStreamTypes } from '../loader/fragment';\nimport { PlaylistLevelType } from '../types/loader';\nimport * as LevelHelper from './level-helper';\nimport TimeRanges from '../utils/time-ranges';\nimport { ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport { alignStream } from '../utils/discontinuities';\nimport { findFragmentByPDT, findFragmentByPTS } from './fragment-finders';\nimport GapController from './gap-controller';\nimport BaseStreamController, { State } from './base-stream-controller';\n\nconst TICK_INTERVAL = 100; // how often to tick in ms\n\nclass StreamController extends BaseStreamController {\n constructor (hls, fragmentTracker) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.MANIFEST_LOADING,\n Event.MANIFEST_PARSED,\n Event.LEVEL_LOADED,\n Event.KEY_LOADED,\n Event.FRAG_LOADED,\n Event.FRAG_LOAD_EMERGENCY_ABORTED,\n Event.FRAG_PARSING_INIT_SEGMENT,\n Event.FRAG_PARSING_DATA,\n Event.FRAG_PARSED,\n Event.ERROR,\n Event.AUDIO_TRACK_SWITCHING,\n Event.AUDIO_TRACK_SWITCHED,\n Event.BUFFER_CREATED,\n Event.BUFFER_APPENDED,\n Event.BUFFER_FLUSHED);\n\n this.fragmentTracker = fragmentTracker;\n this.config = hls.config;\n this.audioCodecSwap = false;\n this._state = State.STOPPED;\n this.stallReported = false;\n this.gapController = null;\n this.altAudio = false;\n }\n\n startLoad (startPosition) {\n if (this.levels) {\n let lastCurrentTime = this.lastCurrentTime, hls = this.hls;\n this.stopLoad();\n this.setInterval(TICK_INTERVAL);\n this.level = -1;\n this.fragLoadError = 0;\n if (!this.startFragRequested) {\n // determine load level\n let startLevel = hls.startLevel;\n if (startLevel === -1) {\n // -1 : guess start Level by doing a bitrate test by loading first fragment of lowest quality level\n startLevel = 0;\n this.bitrateTest = true;\n }\n // set new level to playlist loader : this will trigger start level load\n // hls.nextLoadLevel remains until it is set to a new value or until a new frag is successfully loaded\n this.level = hls.nextLoadLevel = startLevel;\n this.loadedmetadata = false;\n }\n // if startPosition undefined but lastCurrentTime set, set startPosition to last currentTime\n if (lastCurrentTime > 0 && startPosition === -1) {\n logger.log(`override startPosition with lastCurrentTime @${lastCurrentTime.toFixed(3)}`);\n startPosition = lastCurrentTime;\n }\n this.state = State.IDLE;\n this.nextLoadPosition = this.startPosition = this.lastCurrentTime = startPosition;\n this.tick();\n } else {\n this.forceStartLoad = true;\n this.state = State.STOPPED;\n }\n }\n\n stopLoad () {\n this.forceStartLoad = false;\n super.stopLoad();\n }\n\n doTick () {\n switch (this.state) {\n case State.BUFFER_FLUSHING:\n // in buffer flushing state, reset fragLoadError counter\n this.fragLoadError = 0;\n break;\n case State.IDLE:\n this._doTickIdle();\n break;\n case State.WAITING_LEVEL:\n var level = this.levels[this.level];\n // check if playlist is already loaded\n if (level && level.details) {\n this.state = State.IDLE;\n }\n\n break;\n case State.FRAG_LOADING_WAITING_RETRY:\n var now = window.performance.now();\n var retryDate = this.retryDate;\n // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading\n if (!retryDate || (now >= retryDate) || (this.media && this.media.seeking)) {\n logger.log('mediaController: retryDate reached, switch back to IDLE state');\n this.state = State.IDLE;\n }\n break;\n case State.ERROR:\n case State.STOPPED:\n case State.FRAG_LOADING:\n case State.PARSING:\n case State.PARSED:\n case State.ENDED:\n break;\n default:\n break;\n }\n // check buffer\n this._checkBuffer();\n // check/update current fragment\n this._checkFragmentChanged();\n }\n\n // Ironically the \"idle\" state is the on we do the most logic in it seems ....\n // NOTE: Maybe we could rather schedule a check for buffer length after half of the currently\n // played segment, or on pause/play/seek instead of naively checking every 100ms?\n _doTickIdle () {\n const hls = this.hls,\n config = hls.config,\n media = this.media;\n\n // if start level not parsed yet OR\n // if video not attached AND start fragment already requested OR start frag prefetch disable\n // exit loop, as we either need more info (level not parsed) or we need media to be attached to load new fragment\n if (this.levelLastLoaded === undefined || (\n !media && (this.startFragRequested || !config.startFragPrefetch))) {\n return;\n }\n\n // if we have not yet loaded any fragment, start loading from start position\n let pos;\n if (this.loadedmetadata) {\n pos = media.currentTime;\n } else {\n pos = this.nextLoadPosition;\n }\n\n // determine next load level\n let level = hls.nextLoadLevel,\n levelInfo = this.levels[level];\n\n if (!levelInfo) {\n return;\n }\n\n let levelBitrate = levelInfo.bitrate,\n maxBufLen;\n\n // compute max Buffer Length that we could get from this load level, based on level bitrate.\n if (levelBitrate) {\n maxBufLen = Math.max(8 * config.maxBufferSize / levelBitrate, config.maxBufferLength);\n } else {\n maxBufLen = config.maxBufferLength;\n }\n\n maxBufLen = Math.min(maxBufLen, config.maxMaxBufferLength);\n\n // determine next candidate fragment to be loaded, based on current position and end of buffer position\n // ensure up to `config.maxMaxBufferLength` of buffer upfront\n\n const bufferInfo = BufferHelper.bufferInfo(this.mediaBuffer ? this.mediaBuffer : media, pos, config.maxBufferHole),\n bufferLen = bufferInfo.len;\n // Stay idle if we are still with buffer margins\n if (bufferLen >= maxBufLen) {\n return;\n }\n\n // if buffer length is less than maxBufLen try to load a new fragment ...\n logger.trace(`buffer length of ${bufferLen.toFixed(3)} is below max of ${maxBufLen.toFixed(3)}. checking for more payload ...`);\n\n // set next load level : this will trigger a playlist load if needed\n this.level = hls.nextLoadLevel = level;\n\n const levelDetails = levelInfo.details;\n // if level info not retrieved yet, switch state and wait for level retrieval\n // if live playlist, ensure that new playlist has been refreshed to avoid loading/try to load\n // a useless and outdated fragment (that might even introduce load error if it is already out of the live playlist)\n if (!levelDetails || (levelDetails.live && this.levelLastLoaded !== level)) {\n this.state = State.WAITING_LEVEL;\n return;\n }\n\n if (this._streamEnded(bufferInfo, levelDetails)) {\n const data = {};\n if (this.altAudio) {\n data.type = 'video';\n }\n\n this.hls.trigger(Event.BUFFER_EOS, data);\n this.state = State.ENDED;\n return;\n }\n // if we have the levelDetails for the selected variant, lets continue enrichen our stream (load keys/fragments or trigger EOS, etc..)\n this._fetchPayloadOrEos(pos, bufferInfo, levelDetails);\n }\n\n _fetchPayloadOrEos (pos, bufferInfo, levelDetails) {\n const fragPrevious = this.fragPrevious,\n level = this.level,\n fragments = levelDetails.fragments,\n fragLen = fragments.length;\n\n // empty playlist\n if (fragLen === 0) {\n return;\n }\n\n // find fragment index, contiguous with end of buffer position\n let start = fragments[0].start,\n end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration,\n bufferEnd = bufferInfo.end,\n frag;\n\n if (levelDetails.initSegment && !levelDetails.initSegment.data) {\n frag = levelDetails.initSegment;\n } else {\n // in case of live playlist we need to ensure that requested position is not located before playlist start\n if (levelDetails.live) {\n let initialLiveManifestSize = this.config.initialLiveManifestSize;\n if (fragLen < initialLiveManifestSize) {\n logger.warn(`Can not start playback of a level, reason: not enough fragments ${fragLen} < ${initialLiveManifestSize}`);\n return;\n }\n\n frag = this._ensureFragmentAtLivePoint(levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen);\n // if it explicitely returns null don't load any fragment and exit function now\n if (frag === null) {\n return;\n }\n } else {\n // VoD playlist: if bufferEnd before start of playlist, load first fragment\n if (bufferEnd < start) {\n frag = fragments[0];\n }\n }\n }\n if (!frag) {\n frag = this._findFragment(start, fragPrevious, fragLen, fragments, bufferEnd, end, levelDetails);\n }\n\n if (frag) {\n if (frag.encrypted) {\n logger.log(`Loading key for ${frag.sn} of [${levelDetails.startSN} ,${levelDetails.endSN}],level ${level}`);\n this._loadKey(frag);\n } else {\n logger.log(`Loading ${frag.sn} of [${levelDetails.startSN} ,${levelDetails.endSN}],level ${level}, currentTime:${pos.toFixed(3)},bufferEnd:${bufferEnd.toFixed(3)}`);\n this._loadFragment(frag);\n }\n }\n }\n\n _ensureFragmentAtLivePoint (levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen) {\n const config = this.hls.config, media = this.media;\n\n let frag;\n\n // check if requested position is within seekable boundaries :\n // logger.log(`start/pos/bufEnd/seeking:${start.toFixed(3)}/${pos.toFixed(3)}/${bufferEnd.toFixed(3)}/${this.media.seeking}`);\n let maxLatency = config.liveMaxLatencyDuration !== undefined ? config.liveMaxLatencyDuration : config.liveMaxLatencyDurationCount * levelDetails.targetduration;\n\n if (bufferEnd < Math.max(start - config.maxFragLookUpTolerance, end - maxLatency)) {\n let liveSyncPosition = this.liveSyncPosition = this.computeLivePosition(start, levelDetails);\n bufferEnd = liveSyncPosition;\n if (media && !media.paused && media.readyState && media.duration > liveSyncPosition && liveSyncPosition > media.currentTime) {\n logger.log(`buffer end: ${bufferEnd.toFixed(3)} is located too far from the end of live sliding playlist, reset currentTime to : ${liveSyncPosition.toFixed(3)}`);\n media.currentTime = liveSyncPosition;\n }\n\n this.nextLoadPosition = liveSyncPosition;\n }\n\n // if end of buffer greater than live edge, don't load any fragment\n // this could happen if live playlist intermittently slides in the past.\n // level 1 loaded [182580161,182580167]\n // level 1 loaded [182580162,182580169]\n // Loading 182580168 of [182580162 ,182580169],level 1 ..\n // Loading 182580169 of [182580162 ,182580169],level 1 ..\n // level 1 loaded [182580162,182580168] <============= here we should have bufferEnd > end. in that case break to avoid reloading 182580168\n // level 1 loaded [182580164,182580171]\n //\n // don't return null in case media not loaded yet (readystate === 0)\n if (levelDetails.PTSKnown && bufferEnd > end && media && media.readyState) {\n return null;\n }\n\n if (this.startFragRequested && !levelDetails.PTSKnown) {\n /* we are switching level on live playlist, but we don't have any PTS info for that quality level ...\n try to load frag matching with next SN.\n even if SN are not synchronized between playlists, loading this frag will help us\n compute playlist sliding and find the right one after in case it was not the right consecutive one */\n if (fragPrevious) {\n if (levelDetails.hasProgramDateTime) {\n // Relies on PDT in order to switch bitrates (Support EXT-X-DISCONTINUITY without EXT-X-DISCONTINUITY-SEQUENCE)\n logger.log(`live playlist, switching playlist, load frag with same PDT: ${fragPrevious.programDateTime}`);\n frag = findFragmentByPDT(fragments, fragPrevious.endProgramDateTime, config.maxFragLookUpTolerance);\n } else {\n // Uses buffer and sequence number to calculate switch segment (required if using EXT-X-DISCONTINUITY-SEQUENCE)\n const targetSN = fragPrevious.sn + 1;\n if (targetSN >= levelDetails.startSN && targetSN <= levelDetails.endSN) {\n const fragNext = fragments[targetSN - levelDetails.startSN];\n if (fragPrevious.cc === fragNext.cc) {\n frag = fragNext;\n logger.log(`live playlist, switching playlist, load frag with next SN: ${frag.sn}`);\n }\n }\n // next frag SN not available (or not with same continuity counter)\n // look for a frag sharing the same CC\n if (!frag) {\n frag = BinarySearch.search(fragments, function (frag) {\n return fragPrevious.cc - frag.cc;\n });\n if (frag) {\n logger.log(`live playlist, switching playlist, load frag with same CC: ${frag.sn}`);\n }\n }\n }\n }\n if (!frag) {\n /* we have no idea about which fragment should be loaded.\n so let's load mid fragment. it will help computing playlist sliding and find the right one\n */\n frag = fragments[Math.min(fragLen - 1, Math.round(fragLen / 2))];\n logger.log(`live playlist, switching playlist, unknown, load middle frag : ${frag.sn}`);\n }\n }\n\n return frag;\n }\n\n _findFragment (start, fragPreviousLoad, fragmentIndexRange, fragments, bufferEnd, end, levelDetails) {\n const config = this.hls.config;\n let fragNextLoad;\n\n if (bufferEnd < end) {\n const lookupTolerance = (bufferEnd > end - config.maxFragLookUpTolerance) ? 0 : config.maxFragLookUpTolerance;\n // Remove the tolerance if it would put the bufferEnd past the actual end of stream\n // Uses buffer and sequence number to calculate switch segment (required if using EXT-X-DISCONTINUITY-SEQUENCE)\n fragNextLoad = findFragmentByPTS(fragPreviousLoad, fragments, bufferEnd, lookupTolerance);\n } else {\n // reach end of playlist\n fragNextLoad = fragments[fragmentIndexRange - 1];\n }\n\n if (fragNextLoad) {\n const curSNIdx = fragNextLoad.sn - levelDetails.startSN;\n const sameLevel = fragPreviousLoad && fragNextLoad.level === fragPreviousLoad.level;\n const prevSnFrag = fragments[curSNIdx - 1];\n const nextSnFrag = fragments[curSNIdx + 1];\n\n // logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn);\n if (fragPreviousLoad && fragNextLoad.sn === fragPreviousLoad.sn) {\n if (sameLevel && !fragNextLoad.backtracked) {\n if (fragNextLoad.sn < levelDetails.endSN) {\n let deltaPTS = fragPreviousLoad.deltaPTS;\n // if there is a significant delta between audio and video, larger than max allowed hole,\n // and if previous remuxed fragment did not start with a keyframe. (fragPrevious.dropped)\n // let's try to load previous fragment again to get last keyframe\n // then we will reload again current fragment (that way we should be able to fill the buffer hole ...)\n if (deltaPTS && deltaPTS > config.maxBufferHole && fragPreviousLoad.dropped && curSNIdx) {\n fragNextLoad = prevSnFrag;\n logger.warn('Previous fragment was dropped with large PTS gap between audio and video. Maybe fragment is not starting with a keyframe? Loading previous one to try to overcome this');\n } else {\n fragNextLoad = nextSnFrag;\n logger.log(`Re-loading fragment with SN: ${fragNextLoad.sn}`);\n }\n } else {\n fragNextLoad = null;\n }\n } else if (fragNextLoad.backtracked) {\n // Only backtrack a max of 1 consecutive fragment to prevent sliding back too far when little or no frags start with keyframes\n if (nextSnFrag && nextSnFrag.backtracked) {\n logger.warn(`Already backtracked from fragment ${nextSnFrag.sn}, will not backtrack to fragment ${fragNextLoad.sn}. Loading fragment ${nextSnFrag.sn}`);\n fragNextLoad = nextSnFrag;\n } else {\n // If a fragment has dropped frames and it's in a same level/sequence, load the previous fragment to try and find the keyframe\n // Reset the dropped count now since it won't be reset until we parse the fragment again, which prevents infinite backtracking on the same segment\n logger.warn('Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe');\n fragNextLoad.dropped = 0;\n if (prevSnFrag) {\n fragNextLoad = prevSnFrag;\n fragNextLoad.backtracked = true;\n } else if (curSNIdx) {\n // can't backtrack on very first fragment\n fragNextLoad = null;\n }\n }\n }\n }\n }\n\n return fragNextLoad;\n }\n\n _loadKey (frag) {\n this.state = State.KEY_LOADING;\n this.hls.trigger(Event.KEY_LOADING, { frag });\n }\n\n _loadFragment (frag) {\n // Check if fragment is not loaded\n let fragState = this.fragmentTracker.getState(frag);\n\n this.fragCurrent = frag;\n if (frag.sn !== 'initSegment') {\n this.startFragRequested = true;\n }\n // Don't update nextLoadPosition for fragments which are not buffered\n if (Number.isFinite(frag.sn) && !frag.bitrateTest) {\n this.nextLoadPosition = frag.start + frag.duration;\n }\n\n // Allow backtracked fragments to load\n if (frag.backtracked || fragState === FragmentState.NOT_LOADED || fragState === FragmentState.PARTIAL) {\n frag.autoLevel = this.hls.autoLevelEnabled;\n frag.bitrateTest = this.bitrateTest;\n\n this.hls.trigger(Event.FRAG_LOADING, { frag });\n // lazy demuxer init, as this could take some time ... do it during frag loading\n if (!this.demuxer) {\n this.demuxer = new Demuxer(this.hls, 'main');\n }\n\n this.state = State.FRAG_LOADING;\n } else if (fragState === FragmentState.APPENDING) {\n // Lower the buffer size and try again\n if (this._reduceMaxBufferLength(frag.duration)) {\n this.fragmentTracker.removeFragment(frag);\n }\n }\n }\n\n set state (nextState) {\n if (this.state !== nextState) {\n const previousState = this.state;\n this._state = nextState;\n logger.log(`main stream-controller: ${previousState}->${nextState}`);\n this.hls.trigger(Event.STREAM_STATE_TRANSITION, { previousState, nextState });\n }\n }\n\n get state () {\n return this._state;\n }\n\n getBufferedFrag (position) {\n return this.fragmentTracker.getBufferedFrag(position, PlaylistLevelType.MAIN);\n }\n\n get currentLevel () {\n let media = this.media;\n if (media) {\n const frag = this.getBufferedFrag(media.currentTime);\n if (frag) {\n return frag.level;\n }\n }\n return -1;\n }\n\n get nextBufferedFrag () {\n let media = this.media;\n if (media) {\n // first get end range of current fragment\n return this.followingBufferedFrag(this.getBufferedFrag(media.currentTime));\n } else {\n return null;\n }\n }\n\n followingBufferedFrag (frag) {\n if (frag) {\n // try to get range of next fragment (500ms after this range)\n return this.getBufferedFrag(frag.endPTS + 0.5);\n }\n return null;\n }\n\n get nextLevel () {\n const frag = this.nextBufferedFrag;\n if (frag) {\n return frag.level;\n } else {\n return -1;\n }\n }\n\n _checkFragmentChanged () {\n let fragPlayingCurrent, currentTime, video = this.media;\n if (video && video.readyState && video.seeking === false) {\n currentTime = video.currentTime;\n /* if video element is in seeked state, currentTime can only increase.\n (assuming that playback rate is positive ...)\n As sometimes currentTime jumps back to zero after a\n media decode error, check this, to avoid seeking back to\n wrong position after a media decode error\n */\n if (currentTime > this.lastCurrentTime) {\n this.lastCurrentTime = currentTime;\n }\n\n if (BufferHelper.isBuffered(video, currentTime)) {\n fragPlayingCurrent = this.getBufferedFrag(currentTime);\n } else if (BufferHelper.isBuffered(video, currentTime + 0.1)) {\n /* ensure that FRAG_CHANGED event is triggered at startup,\n when first video frame is displayed and playback is paused.\n add a tolerance of 100ms, in case current position is not buffered,\n check if current pos+100ms is buffered and use that buffer range\n for FRAG_CHANGED event reporting */\n fragPlayingCurrent = this.getBufferedFrag(currentTime + 0.1);\n }\n if (fragPlayingCurrent) {\n let fragPlaying = fragPlayingCurrent;\n if (fragPlaying !== this.fragPlaying) {\n this.hls.trigger(Event.FRAG_CHANGED, { frag: fragPlaying });\n const fragPlayingLevel = fragPlaying.level;\n if (!this.fragPlaying || this.fragPlaying.level !== fragPlayingLevel) {\n this.hls.trigger(Event.LEVEL_SWITCHED, { level: fragPlayingLevel });\n }\n\n this.fragPlaying = fragPlaying;\n }\n }\n }\n }\n\n /*\n on immediate level switch :\n - pause playback if playing\n - cancel any pending load request\n - and trigger a buffer flush\n */\n immediateLevelSwitch () {\n logger.log('immediateLevelSwitch');\n if (!this.immediateSwitch) {\n this.immediateSwitch = true;\n let media = this.media, previouslyPaused;\n if (media) {\n previouslyPaused = media.paused;\n media.pause();\n } else {\n // don't restart playback after instant level switch in case media not attached\n previouslyPaused = true;\n }\n this.previouslyPaused = previouslyPaused;\n }\n let fragCurrent = this.fragCurrent;\n if (fragCurrent && fragCurrent.loader) {\n fragCurrent.loader.abort();\n }\n\n this.fragCurrent = null;\n // flush everything\n this.flushMainBuffer(0, Number.POSITIVE_INFINITY);\n }\n\n /**\n * on immediate level switch end, after new fragment has been buffered:\n * - nudge video decoder by slightly adjusting video currentTime (if currentTime buffered)\n * - resume the playback if needed\n */\n immediateLevelSwitchEnd () {\n const media = this.media;\n if (media && media.buffered.length) {\n this.immediateSwitch = false;\n if (BufferHelper.isBuffered(media, media.currentTime)) {\n // only nudge if currentTime is buffered\n media.currentTime -= 0.0001;\n }\n if (!this.previouslyPaused) {\n media.play();\n }\n }\n }\n\n /**\n * try to switch ASAP without breaking video playback:\n * in order to ensure smooth but quick level switching,\n * we need to find the next flushable buffer range\n * we should take into account new segment fetch time\n */\n nextLevelSwitch () {\n const media = this.media;\n // ensure that media is defined and that metadata are available (to retrieve currentTime)\n if (media && media.readyState) {\n let fetchdelay, fragPlayingCurrent, nextBufferedFrag;\n fragPlayingCurrent = this.getBufferedFrag(media.currentTime);\n if (fragPlayingCurrent && fragPlayingCurrent.startPTS > 1) {\n // flush buffer preceding current fragment (flush until current fragment start offset)\n // minus 1s to avoid video freezing, that could happen if we flush keyframe of current video ...\n this.flushMainBuffer(0, fragPlayingCurrent.startPTS - 1);\n }\n if (!media.paused) {\n // add a safety delay of 1s\n let nextLevelId = this.hls.nextLoadLevel, nextLevel = this.levels[nextLevelId], fragLastKbps = this.fragLastKbps;\n if (fragLastKbps && this.fragCurrent) {\n fetchdelay = this.fragCurrent.duration * nextLevel.bitrate / (1000 * fragLastKbps) + 1;\n } else {\n fetchdelay = 0;\n }\n } else {\n fetchdelay = 0;\n }\n // logger.log('fetchdelay:'+fetchdelay);\n // find buffer range that will be reached once new fragment will be fetched\n nextBufferedFrag = this.getBufferedFrag(media.currentTime + fetchdelay);\n if (nextBufferedFrag) {\n // we can flush buffer range following this one without stalling playback\n nextBufferedFrag = this.followingBufferedFrag(nextBufferedFrag);\n if (nextBufferedFrag) {\n // if we are here, we can also cancel any loading/demuxing in progress, as they are useless\n let fragCurrent = this.fragCurrent;\n if (fragCurrent && fragCurrent.loader) {\n fragCurrent.loader.abort();\n }\n\n this.fragCurrent = null;\n // start flush position is the start PTS of next buffered frag.\n // we use frag.naxStartPTS which is max(audio startPTS, video startPTS).\n // in case there is a small PTS Delta between audio and video, using maxStartPTS avoids flushing last samples from current fragment\n this.flushMainBuffer(nextBufferedFrag.maxStartPTS, Number.POSITIVE_INFINITY);\n }\n }\n }\n }\n\n flushMainBuffer (startOffset, endOffset) {\n this.state = State.BUFFER_FLUSHING;\n let flushScope = { startOffset: startOffset, endOffset: endOffset };\n // if alternate audio tracks are used, only flush video, otherwise flush everything\n if (this.altAudio) {\n flushScope.type = 'video';\n }\n\n this.hls.trigger(Event.BUFFER_FLUSHING, flushScope);\n }\n\n onMediaAttached (data) {\n let media = this.media = this.mediaBuffer = data.media;\n this.onvseeking = this.onMediaSeeking.bind(this);\n this.onvseeked = this.onMediaSeeked.bind(this);\n this.onvended = this.onMediaEnded.bind(this);\n media.addEventListener('seeking', this.onvseeking);\n media.addEventListener('seeked', this.onvseeked);\n media.addEventListener('ended', this.onvended);\n let config = this.config;\n if (this.levels && config.autoStartLoad) {\n this.hls.startLoad(config.startPosition);\n }\n\n this.gapController = new GapController(config, media, this.fragmentTracker, this.hls);\n }\n\n onMediaDetaching () {\n let media = this.media;\n if (media && media.ended) {\n logger.log('MSE detaching and video ended, reset startPosition');\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n // reset fragment backtracked flag\n let levels = this.levels;\n if (levels) {\n levels.forEach(level => {\n if (level.details) {\n level.details.fragments.forEach(fragment => {\n fragment.backtracked = undefined;\n });\n }\n });\n }\n\n // remove video listeners\n if (media) {\n media.removeEventListener('seeking', this.onvseeking);\n media.removeEventListener('seeked', this.onvseeked);\n media.removeEventListener('ended', this.onvended);\n this.onvseeking = this.onvseeked = this.onvended = null;\n }\n\n this.fragmentTracker.removeAllFragments();\n this.media = this.mediaBuffer = null;\n this.loadedmetadata = false;\n this.stopLoad();\n }\n\n onMediaSeeked () {\n const media = this.media;\n const currentTime = media ? media.currentTime : undefined;\n const { seekWithinTolerance } = this.config;\n\n // We are not firing Event.CAN_PLAY_AFTER_SEEK only if we are seeking again to reach buffered fragment.\n if (!seekWithinTolerance || !this.gapController.seekWithinToleranceIfNeeded()) {\n this.hls.trigger(Event.CAN_PLAY_AFTER_SEEK);\n }\n\n if (Number.isFinite(currentTime)) {\n logger.log(`media seeked to ${currentTime.toFixed(3)}`);\n }\n\n // tick to speed up FRAGMENT_PLAYING triggering\n this.tick();\n }\n\n onManifestLoading () {\n // reset buffer on manifest loading\n logger.log('trigger BUFFER_RESET');\n this.hls.trigger(Event.BUFFER_RESET);\n this.fragmentTracker.removeAllFragments();\n this.stalled = false;\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n onManifestParsed (data) {\n let aac = false, heaac = false, codec;\n data.levels.forEach(level => {\n // detect if we have different kind of audio codecs used amongst playlists\n codec = level.audioCodec;\n if (codec) {\n if (codec.indexOf('mp4a.40.2') !== -1) {\n aac = true;\n }\n\n if (codec.indexOf('mp4a.40.5') !== -1) {\n heaac = true;\n }\n }\n });\n this.audioCodecSwitch = (aac && heaac);\n if (this.audioCodecSwitch) {\n logger.log('both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC');\n }\n\n this.altAudio = data.altAudio;\n this.levels = data.levels;\n this.startFragRequested = false;\n let config = this.config;\n if (config.autoStartLoad || this.forceStartLoad) {\n this.hls.startLoad(config.startPosition);\n }\n }\n\n onLevelLoaded (data) {\n const newDetails = data.details;\n const newLevelId = data.level;\n const lastLevel = this.levels[this.levelLastLoaded];\n const curLevel = this.levels[newLevelId];\n const duration = newDetails.totalduration;\n let sliding = 0;\n\n logger.log(`level ${newLevelId} loaded [${newDetails.startSN},${newDetails.endSN}],duration:${duration}`);\n\n if (newDetails.live) {\n let curDetails = curLevel.details;\n if (curDetails && newDetails.fragments.length > 0) {\n // we already have details for that level, merge them\n LevelHelper.mergeDetails(curDetails, newDetails);\n sliding = newDetails.fragments[0].start;\n this.liveSyncPosition = this.computeLivePosition(sliding, curDetails);\n if (newDetails.PTSKnown && Number.isFinite(sliding)) {\n logger.log(`live playlist sliding:${sliding.toFixed(3)}`);\n } else {\n logger.log('live playlist - outdated PTS, unknown sliding');\n alignStream(this.fragPrevious, lastLevel, newDetails);\n }\n } else {\n logger.log('live playlist - first load, unknown sliding');\n newDetails.PTSKnown = false;\n alignStream(this.fragPrevious, lastLevel, newDetails);\n }\n } else {\n newDetails.PTSKnown = false;\n }\n // override level info\n curLevel.details = newDetails;\n this.levelLastLoaded = newLevelId;\n this.hls.trigger(Event.LEVEL_UPDATED, { details: newDetails, level: newLevelId });\n\n if (this.startFragRequested === false) {\n // compute start position if set to -1. use it straight away if value is defined\n if (this.startPosition === -1 || this.lastCurrentTime === -1) {\n // first, check if start time offset has been set in playlist, if yes, use this value\n let startTimeOffset = newDetails.startTimeOffset;\n if (Number.isFinite(startTimeOffset)) {\n if (startTimeOffset < 0) {\n logger.log(`negative start time offset ${startTimeOffset}, count from end of last fragment`);\n startTimeOffset = sliding + duration + startTimeOffset;\n }\n logger.log(`start time offset found in playlist, adjust startPosition to ${startTimeOffset}`);\n this.startPosition = startTimeOffset;\n } else {\n // if live playlist, set start position to be fragment N-this.config.liveSyncDurationCount (usually 3)\n if (newDetails.live) {\n this.startPosition = this.computeLivePosition(sliding, newDetails);\n logger.log(`configure startPosition to ${this.startPosition}`);\n } else {\n this.startPosition = 0;\n }\n }\n this.lastCurrentTime = this.startPosition;\n }\n this.nextLoadPosition = this.startPosition;\n }\n // only switch batck to IDLE state if we were waiting for level to start downloading a new fragment\n if (this.state === State.WAITING_LEVEL) {\n this.state = State.IDLE;\n }\n\n // trigger handler right now\n this.tick();\n }\n\n onKeyLoaded () {\n if (this.state === State.KEY_LOADING) {\n this.state = State.IDLE;\n this.tick();\n }\n }\n\n onFragLoaded (data) {\n const { fragCurrent, hls, levels, media } = this;\n const fragLoaded = data.frag;\n if (this.state === State.FRAG_LOADING &&\n fragCurrent &&\n fragLoaded.type === 'main' &&\n fragLoaded.level === fragCurrent.level &&\n fragLoaded.sn === fragCurrent.sn) {\n const stats = data.stats;\n const currentLevel = levels[fragCurrent.level];\n const details = currentLevel.details;\n // reset frag bitrate test in any case after frag loaded event\n // if this frag was loaded to perform a bitrate test AND if hls.nextLoadLevel is greater than 0\n // then this means that we should be able to load a fragment at a higher quality level\n this.bitrateTest = false;\n this.stats = stats;\n\n logger.log(`Loaded ${fragCurrent.sn} of [${details.startSN} ,${details.endSN}],level ${fragCurrent.level}`);\n if (fragLoaded.bitrateTest && hls.nextLoadLevel) {\n // switch back to IDLE state ... we just loaded a fragment to determine adequate start bitrate and initialize autoswitch algo\n this.state = State.IDLE;\n this.startFragRequested = false;\n stats.tparsed = stats.tbuffered = window.performance.now();\n hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'main' });\n this.tick();\n } else if (fragLoaded.sn === 'initSegment') {\n this.state = State.IDLE;\n stats.tparsed = stats.tbuffered = window.performance.now();\n details.initSegment.data = data.payload;\n hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'main' });\n this.tick();\n } else {\n logger.log(`Parsing ${fragCurrent.sn} of [${details.startSN} ,${details.endSN}],level ${fragCurrent.level}, cc ${fragCurrent.cc}`);\n this.state = State.PARSING;\n this.pendingBuffering = true;\n this.appended = false;\n\n // Bitrate test frags are not usually buffered so the fragment tracker ignores them. If Hls.js decides to buffer\n // it (and therefore ends up at this line), then the fragment tracker needs to be manually informed.\n if (fragLoaded.bitrateTest) {\n fragLoaded.bitrateTest = false;\n this.fragmentTracker.onFragLoaded({\n frag: fragLoaded\n });\n }\n\n // time Offset is accurate if level PTS is known, or if playlist is not sliding (not live) and if media is not seeking (this is to overcome potential timestamp drifts between playlists and fragments)\n const accurateTimeOffset = !(media && media.seeking) && (details.PTSKnown || !details.live);\n const initSegmentData = details.initSegment ? details.initSegment.data : [];\n const audioCodec = this._getAudioCodec(currentLevel);\n\n // transmux the MPEG-TS data to ISO-BMFF segments\n const demuxer = this.demuxer = this.demuxer || new Demuxer(this.hls, 'main');\n demuxer.push(\n data.payload,\n initSegmentData,\n audioCodec,\n currentLevel.videoCodec,\n fragCurrent,\n details.totalduration,\n accurateTimeOffset\n );\n }\n }\n this.fragLoadError = 0;\n }\n\n onFragParsingInitSegment (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n let tracks = data.tracks, trackName, track;\n\n // if audio track is expected to come from audio stream controller, discard any coming from main\n if (tracks.audio && this.altAudio) {\n delete tracks.audio;\n }\n\n // include levelCodec in audio and video tracks\n track = tracks.audio;\n if (track) {\n let audioCodec = this.levels[this.level].audioCodec,\n ua = navigator.userAgent.toLowerCase();\n if (audioCodec && this.audioCodecSwap) {\n logger.log('swapping playlist audio codec');\n if (audioCodec.indexOf('mp4a.40.5') !== -1) {\n audioCodec = 'mp4a.40.2';\n } else {\n audioCodec = 'mp4a.40.5';\n }\n }\n // in case AAC and HE-AAC audio codecs are signalled in manifest\n // force HE-AAC , as it seems that most browsers prefers that way,\n // except for mono streams OR on FF\n // these conditions might need to be reviewed ...\n if (this.audioCodecSwitch) {\n // don't force HE-AAC if mono stream\n if (track.metadata.channelCount !== 1 &&\n // don't force HE-AAC if firefox\n ua.indexOf('firefox') === -1) {\n audioCodec = 'mp4a.40.5';\n }\n }\n // HE-AAC is broken on Android, always signal audio codec as AAC even if variant manifest states otherwise\n if (ua.indexOf('android') !== -1 && track.container !== 'audio/mpeg') { // Exclude mpeg audio\n audioCodec = 'mp4a.40.2';\n logger.log(`Android: force audio codec to ${audioCodec}`);\n }\n track.levelCodec = audioCodec;\n track.id = data.id;\n }\n track = tracks.video;\n if (track) {\n track.levelCodec = this.levels[this.level].videoCodec;\n track.id = data.id;\n }\n this.hls.trigger(Event.BUFFER_CODECS, tracks);\n // loop through tracks that are going to be provided to bufferController\n for (trackName in tracks) {\n track = tracks[trackName];\n logger.log(`main track:${trackName},container:${track.container},codecs[level/parsed]=[${track.levelCodec}/${track.codec}]`);\n let initSegment = track.initSegment;\n if (initSegment) {\n this.appended = true;\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n this.hls.trigger(Event.BUFFER_APPENDING, { type: trackName, data: initSegment, parent: 'main', content: 'initSegment' });\n }\n }\n // trigger handler right now\n this.tick();\n }\n }\n\n onFragParsingData (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n !(data.type === 'audio' && this.altAudio) && // filter out main audio if audio track is loaded through audio stream controller\n this.state === State.PARSING) {\n let level = this.levels[this.level],\n frag = fragCurrent;\n if (!Number.isFinite(data.endPTS)) {\n data.endPTS = data.startPTS + fragCurrent.duration;\n data.endDTS = data.startDTS + fragCurrent.duration;\n }\n\n if (data.hasAudio === true) {\n frag.addElementaryStream(ElementaryStreamTypes.AUDIO);\n }\n\n if (data.hasVideo === true) {\n frag.addElementaryStream(ElementaryStreamTypes.VIDEO);\n }\n\n logger.log(`Parsed ${data.type},PTS:[${data.startPTS.toFixed(3)},${data.endPTS.toFixed(3)}],DTS:[${data.startDTS.toFixed(3)}/${data.endDTS.toFixed(3)}],nb:${data.nb},dropped:${data.dropped || 0}`);\n\n // Detect gaps in a fragment and try to fix it by finding a keyframe in the previous fragment (see _findFragments)\n if (data.type === 'video') {\n frag.dropped = data.dropped;\n if (frag.dropped) {\n if (!frag.backtracked) {\n const levelDetails = level.details;\n if (levelDetails && frag.sn === levelDetails.startSN) {\n logger.warn('missing video frame(s) on first frag, appending with gap', frag.sn);\n } else {\n logger.warn('missing video frame(s), backtracking fragment', frag.sn);\n // Return back to the IDLE state without appending to buffer\n // Causes findFragments to backtrack a segment and find the keyframe\n // Audio fragments arriving before video sets the nextLoadPosition, causing _findFragments to skip the backtracked fragment\n this.fragmentTracker.removeFragment(frag);\n frag.backtracked = true;\n this.nextLoadPosition = data.startPTS;\n this.state = State.IDLE;\n this.fragPrevious = frag;\n this.tick();\n return;\n }\n } else {\n logger.warn('Already backtracked on this fragment, appending with the gap', frag.sn);\n }\n } else {\n // Only reset the backtracked flag if we've loaded the frag without any dropped frames\n frag.backtracked = false;\n }\n }\n\n let drift = LevelHelper.updateFragPTSDTS(level.details, frag, data.startPTS, data.endPTS, data.startDTS, data.endDTS),\n hls = this.hls;\n hls.trigger(Event.LEVEL_PTS_UPDATED, { details: level.details, level: this.level, drift: drift, type: data.type, start: data.startPTS, end: data.endPTS });\n // has remuxer dropped video frames located before first keyframe ?\n [data.data1, data.data2].forEach(buffer => {\n // only append in PARSING state (rationale is that an appending error could happen synchronously on first segment appending)\n // in that case it is useless to append following segments\n if (buffer && buffer.length && this.state === State.PARSING) {\n this.appended = true;\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n hls.trigger(Event.BUFFER_APPENDING, { type: data.type, data: buffer, parent: 'main', content: 'data' });\n }\n });\n // trigger handler right now\n this.tick();\n }\n }\n\n onFragParsed (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n this.stats.tparsed = window.performance.now();\n this.state = State.PARSED;\n this._checkAppendedParsed();\n }\n }\n\n onAudioTrackSwitching (data) {\n // if any URL found on new audio track, it is an alternate audio track\n let altAudio = !!data.url,\n trackId = data.id;\n // if we switch on main audio, ensure that main fragment scheduling is synced with media.buffered\n // don't do anything if we switch to alt audio: audio stream controller is handling it.\n // we will just have to change buffer scheduling on audioTrackSwitched\n if (!altAudio) {\n if (this.mediaBuffer !== this.media) {\n logger.log('switching on main audio, use media.buffered to schedule main fragment loading');\n this.mediaBuffer = this.media;\n let fragCurrent = this.fragCurrent;\n // we need to refill audio buffer from main: cancel any frag loading to speed up audio switch\n if (fragCurrent.loader) {\n logger.log('switching to main audio track, cancel main fragment load');\n fragCurrent.loader.abort();\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n // destroy demuxer to force init segment generation (following audio switch)\n if (this.demuxer) {\n this.demuxer.destroy();\n this.demuxer = null;\n }\n // switch to IDLE state to load new fragment\n this.state = State.IDLE;\n }\n let hls = this.hls;\n // switching to main audio, flush all audio and trigger track switched\n hls.trigger(Event.BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' });\n hls.trigger(Event.AUDIO_TRACK_SWITCHED, { id: trackId });\n this.altAudio = false;\n }\n }\n\n onAudioTrackSwitched (data) {\n let trackId = data.id,\n altAudio = !!this.hls.audioTracks[trackId].url;\n if (altAudio) {\n let videoBuffer = this.videoBuffer;\n // if we switched on alternate audio, ensure that main fragment scheduling is synced with video sourcebuffer buffered\n if (videoBuffer && this.mediaBuffer !== videoBuffer) {\n logger.log('switching on alternate audio, use video.buffered to schedule main fragment loading');\n this.mediaBuffer = videoBuffer;\n }\n }\n this.altAudio = altAudio;\n this.tick();\n }\n\n onBufferCreated (data) {\n let tracks = data.tracks, mediaTrack, name, alternate = false;\n for (let type in tracks) {\n let track = tracks[type];\n if (track.id === 'main') {\n name = type;\n mediaTrack = track;\n // keep video source buffer reference\n if (type === 'video') {\n this.videoBuffer = tracks[type].buffer;\n }\n } else {\n alternate = true;\n }\n }\n if (alternate && mediaTrack) {\n logger.log(`alternate track found, use ${name}.buffered to schedule main fragment loading`);\n this.mediaBuffer = mediaTrack.buffer;\n } else {\n this.mediaBuffer = this.media;\n }\n }\n\n onBufferAppended (data) {\n if (data.parent === 'main') {\n const state = this.state;\n if (state === State.PARSING || state === State.PARSED) {\n // check if all buffers have been appended\n this.pendingBuffering = (data.pending > 0);\n this._checkAppendedParsed();\n }\n }\n }\n\n _checkAppendedParsed () {\n // trigger handler right now\n if (this.state === State.PARSED && (!this.appended || !this.pendingBuffering)) {\n const frag = this.fragCurrent;\n if (frag) {\n const media = this.mediaBuffer ? this.mediaBuffer : this.media;\n logger.log(`main buffered : ${TimeRanges.toString(media.buffered)}`);\n this.fragPrevious = frag;\n const stats = this.stats;\n stats.tbuffered = window.performance.now();\n // we should get rid of this.fragLastKbps\n this.fragLastKbps = Math.round(8 * stats.total / (stats.tbuffered - stats.tfirst));\n this.hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: frag, id: 'main' });\n this.state = State.IDLE;\n }\n this.tick();\n }\n }\n\n onError (data) {\n let frag = data.frag || this.fragCurrent;\n // don't handle frag error not related to main fragment\n if (frag && frag.type !== 'main') {\n return;\n }\n\n // 0.5 : tolerance needed as some browsers stalls playback before reaching buffered end\n let mediaBuffered = !!this.media && BufferHelper.isBuffered(this.media, this.media.currentTime) && BufferHelper.isBuffered(this.media, this.media.currentTime + 0.5);\n\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n if (!data.fatal) {\n // keep retrying until the limit will be reached\n if ((this.fragLoadError + 1) <= this.config.fragLoadingMaxRetry) {\n // exponential backoff capped to config.fragLoadingMaxRetryTimeout\n let delay = Math.min(Math.pow(2, this.fragLoadError) * this.config.fragLoadingRetryDelay, this.config.fragLoadingMaxRetryTimeout);\n logger.warn(`mediaController: frag loading failed, retry in ${delay} ms`);\n this.retryDate = window.performance.now() + delay;\n // retry loading state\n // if loadedmetadata is not set, it means that we are emergency switch down on first frag\n // in that case, reset startFragRequested flag\n if (!this.loadedmetadata) {\n this.startFragRequested = false;\n this.nextLoadPosition = this.startPosition;\n }\n this.fragLoadError++;\n this.state = State.FRAG_LOADING_WAITING_RETRY;\n } else {\n logger.error(`mediaController: ${data.details} reaches max retry, redispatch as fatal ...`);\n // switch error to fatal\n data.fatal = true;\n this.state = State.ERROR;\n }\n }\n break;\n case ErrorDetails.LEVEL_LOAD_ERROR:\n case ErrorDetails.LEVEL_LOAD_TIMEOUT:\n if (this.state !== State.ERROR) {\n if (data.fatal) {\n // if fatal error, stop processing\n this.state = State.ERROR;\n logger.warn(`streamController: ${data.details},switch to ${this.state} state ...`);\n } else {\n // in case of non fatal error while loading level, if level controller is not retrying to load level , switch back to IDLE\n if (!data.levelRetry && this.state === State.WAITING_LEVEL) {\n this.state = State.IDLE;\n }\n }\n }\n break;\n case ErrorDetails.BUFFER_FULL_ERROR:\n // if in appending state\n if (data.parent === 'main' && (this.state === State.PARSING || this.state === State.PARSED)) {\n // reduce max buf len if current position is buffered\n if (mediaBuffered) {\n this._reduceMaxBufferLength(this.config.maxBufferLength);\n this.state = State.IDLE;\n } else {\n // current position is not buffered, but browser is still complaining about buffer full error\n // this happens on IE/Edge, refer to https://github.com/video-dev/hls.js/pull/708\n // in that case flush the whole buffer to recover\n logger.warn('buffer full error also media.currentTime is not buffered, flush everything');\n this.fragCurrent = null;\n // flush everything\n this.flushMainBuffer(0, Number.POSITIVE_INFINITY);\n }\n }\n break;\n default:\n break;\n }\n }\n\n _reduceMaxBufferLength (minLength) {\n let config = this.config;\n if (config.maxMaxBufferLength >= minLength) {\n // reduce max buffer length as it might be too high. we do this to avoid loop flushing ...\n config.maxMaxBufferLength /= 2;\n logger.warn(`main:reduce max buffer length to ${config.maxMaxBufferLength}s`);\n return true;\n }\n return false;\n }\n\n /**\n * Checks the health of the buffer and attempts to resolve playback stalls.\n * @private\n */\n _checkBuffer () {\n const { media } = this;\n if (!media || media.readyState === 0) {\n // Exit early if we don't have media or if the media hasn't bufferd anything yet (readyState 0)\n return;\n }\n\n const mediaBuffer = this.mediaBuffer ? this.mediaBuffer : media;\n const buffered = mediaBuffer.buffered;\n\n if (!this.loadedmetadata && buffered.length) {\n this.loadedmetadata = true;\n this._seekToStartPos();\n } else if (this.immediateSwitch) {\n this.immediateLevelSwitchEnd();\n } else {\n this.gapController.poll(this.lastCurrentTime, buffered);\n }\n }\n\n onFragLoadEmergencyAborted () {\n this.state = State.IDLE;\n // if loadedmetadata is not set, it means that we are emergency switch down on first frag\n // in that case, reset startFragRequested flag\n if (!this.loadedmetadata) {\n this.startFragRequested = false;\n this.nextLoadPosition = this.startPosition;\n }\n this.tick();\n }\n\n onBufferFlushed () {\n /* after successful buffer flushing, filter flushed fragments from bufferedFrags\n use mediaBuffered instead of media (so that we will check against video.buffered ranges in case of alt audio track)\n */\n const media = this.mediaBuffer ? this.mediaBuffer : this.media;\n if (media) {\n // filter fragments potentially evicted from buffer. this is to avoid memleak on live streams\n this.fragmentTracker.detectEvictedFragments(ElementaryStreamTypes.VIDEO, media.buffered);\n }\n // move to IDLE once flush complete. this should trigger new fragment loading\n this.state = State.IDLE;\n // reset reference to frag\n this.fragPrevious = null;\n }\n\n swapAudioCodec () {\n this.audioCodecSwap = !this.audioCodecSwap;\n }\n /**\n * Seeks to the set startPosition if not equal to the mediaElement's current time.\n * @private\n */\n _seekToStartPos () {\n const { media } = this;\n const currentTime = media.currentTime;\n // only adjust currentTime if different from startPosition or if startPosition not buffered\n // at that stage, there should be only one buffered range, as we reach that code after first fragment has been buffered\n const startPosition = media.seeking ? currentTime : this.startPosition;\n // if currentTime not matching with expected startPosition or startPosition not buffered but close to first buffered\n if (currentTime !== startPosition && startPosition >= 0) {\n // if startPosition not buffered, let's seek to buffered.start(0)\n logger.log(`target start position not buffered, seek to buffered.start(0) ${startPosition} from current time ${currentTime} `);\n media.currentTime = startPosition;\n }\n }\n\n _getAudioCodec (currentLevel) {\n let audioCodec = this.config.defaultAudioCodec || currentLevel.audioCodec;\n if (this.audioCodecSwap) {\n logger.log('swapping playlist audio codec');\n if (audioCodec) {\n if (audioCodec.indexOf('mp4a.40.5') !== -1) {\n audioCodec = 'mp4a.40.2';\n } else {\n audioCodec = 'mp4a.40.5';\n }\n }\n }\n\n return audioCodec;\n }\n\n get liveSyncPosition () {\n return this._liveSyncPosition;\n }\n\n set liveSyncPosition (value) {\n this._liveSyncPosition = value;\n }\n}\nexport default StreamController;\n","/*\n * Level Controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { isCodecSupportedInMp4 } from '../utils/codecs';\nimport { addGroupId, computeReloadInterval } from './level-helper';\n\nconst { performance } = window;\nlet chromeOrFirefox;\n\nexport default class LevelController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.MANIFEST_LOADED,\n Event.LEVEL_LOADED,\n Event.AUDIO_TRACK_SWITCHED,\n Event.FRAG_LOADED,\n Event.ERROR);\n\n this.canload = false;\n this.currentLevelIndex = null;\n this.manualLevelIndex = -1;\n this.timer = null;\n\n chromeOrFirefox = /chrome|firefox/.test(navigator.userAgent.toLowerCase());\n }\n\n onHandlerDestroying () {\n this.clearTimer();\n this.manualLevelIndex = -1;\n }\n\n clearTimer () {\n if (this.timer !== null) {\n clearTimeout(this.timer);\n this.timer = null;\n }\n }\n\n startLoad () {\n let levels = this._levels;\n\n this.canload = true;\n this.levelRetryCount = 0;\n\n // clean up live level details to force reload them, and reset load errors\n if (levels) {\n levels.forEach(level => {\n level.loadError = 0;\n const levelDetails = level.details;\n if (levelDetails && levelDetails.live) {\n level.details = undefined;\n }\n });\n }\n // speed up live playlist refresh if timer exists\n if (this.timer !== null) {\n this.loadLevel();\n }\n }\n\n stopLoad () {\n this.canload = false;\n }\n\n onManifestLoaded (data) {\n let levels = [];\n let audioTracks = [];\n let bitrateStart;\n let levelSet = {};\n let levelFromSet = null;\n let videoCodecFound = false;\n let audioCodecFound = false;\n\n // regroup redundant levels together\n data.levels.forEach(level => {\n const attributes = level.attrs;\n level.loadError = 0;\n level.fragmentError = false;\n\n videoCodecFound = videoCodecFound || !!level.videoCodec;\n audioCodecFound = audioCodecFound || !!level.audioCodec;\n\n // erase audio codec info if browser does not support mp4a.40.34.\n // demuxer will autodetect codec and fallback to mpeg/audio\n if (chromeOrFirefox && level.audioCodec && level.audioCodec.indexOf('mp4a.40.34') !== -1) {\n level.audioCodec = undefined;\n }\n\n levelFromSet = levelSet[level.bitrate]; // FIXME: we would also have to match the resolution here\n\n if (!levelFromSet) {\n level.url = [level.url];\n level.urlId = 0;\n levelSet[level.bitrate] = level;\n levels.push(level);\n } else {\n levelFromSet.url.push(level.url);\n }\n\n if (attributes) {\n if (attributes.AUDIO) {\n audioCodecFound = true;\n addGroupId(levelFromSet || level, 'audio', attributes.AUDIO);\n }\n if (attributes.SUBTITLES) {\n addGroupId(levelFromSet || level, 'text', attributes.SUBTITLES);\n }\n }\n });\n\n // remove audio-only level if we also have levels with audio+video codecs signalled\n if (videoCodecFound && audioCodecFound) {\n levels = levels.filter(({ videoCodec }) => !!videoCodec);\n }\n\n // only keep levels with supported audio/video codecs\n levels = levels.filter(({ audioCodec, videoCodec }) => {\n return (!audioCodec || isCodecSupportedInMp4(audioCodec, 'audio')) && (!videoCodec || isCodecSupportedInMp4(videoCodec, 'video'));\n });\n\n if (data.audioTracks) {\n audioTracks = data.audioTracks.filter(track => !track.audioCodec || isCodecSupportedInMp4(track.audioCodec, 'audio'));\n // Reassign id's after filtering since they're used as array indices\n audioTracks.forEach((track, index) => {\n track.id = index;\n });\n }\n\n if (levels.length > 0) {\n // start bitrate is the first bitrate of the manifest\n bitrateStart = levels[0].bitrate;\n // sort level on bitrate\n levels.sort((a, b) => a.bitrate - b.bitrate);\n this._levels = levels;\n // find index of first level in sorted levels\n for (let i = 0; i < levels.length; i++) {\n if (levels[i].bitrate === bitrateStart) {\n this._firstLevel = i;\n logger.log(`manifest loaded,${levels.length} level(s) found, first bitrate:${bitrateStart}`);\n break;\n }\n }\n\n // Audio is only alternate if manifest include a URI along with the audio group tag\n this.hls.trigger(Event.MANIFEST_PARSED, {\n levels,\n audioTracks,\n firstLevel: this._firstLevel,\n stats: data.stats,\n audio: audioCodecFound,\n video: videoCodecFound,\n altAudio: audioTracks.some(t => !!t.url)\n });\n } else {\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.MANIFEST_INCOMPATIBLE_CODECS_ERROR,\n fatal: true,\n url: this.hls.url,\n reason: 'no level with compatible codecs found in manifest'\n });\n }\n }\n\n get levels () {\n return this._levels;\n }\n\n get level () {\n return this.currentLevelIndex;\n }\n\n set level (newLevel) {\n let levels = this._levels;\n if (levels) {\n newLevel = Math.min(newLevel, levels.length - 1);\n if (this.currentLevelIndex !== newLevel || !levels[newLevel].details) {\n this.setLevelInternal(newLevel);\n }\n }\n }\n\n setLevelInternal (newLevel) {\n const levels = this._levels;\n const hls = this.hls;\n // check if level idx is valid\n if (newLevel >= 0 && newLevel < levels.length) {\n // stopping live reloading timer if any\n this.clearTimer();\n if (this.currentLevelIndex !== newLevel) {\n logger.log(`switching to level ${newLevel}`);\n this.currentLevelIndex = newLevel;\n const levelProperties = levels[newLevel];\n levelProperties.level = newLevel;\n hls.trigger(Event.LEVEL_SWITCHING, levelProperties);\n }\n const level = levels[newLevel];\n const levelDetails = level.details;\n\n // check if we need to load playlist for this level\n if (!levelDetails || levelDetails.live) {\n // level not retrieved yet, or live playlist we need to (re)load it\n let urlId = level.urlId;\n hls.trigger(Event.LEVEL_LOADING, { url: level.url[urlId], level: newLevel, id: urlId });\n }\n } else {\n // invalid level id given, trigger error\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.OTHER_ERROR,\n details: ErrorDetails.LEVEL_SWITCH_ERROR,\n level: newLevel,\n fatal: false,\n reason: 'invalid level idx'\n });\n }\n }\n\n get manualLevel () {\n return this.manualLevelIndex;\n }\n\n set manualLevel (newLevel) {\n this.manualLevelIndex = newLevel;\n if (this._startLevel === undefined) {\n this._startLevel = newLevel;\n }\n\n if (newLevel !== -1) {\n this.level = newLevel;\n }\n }\n\n get firstLevel () {\n return this._firstLevel;\n }\n\n set firstLevel (newLevel) {\n this._firstLevel = newLevel;\n }\n\n get startLevel () {\n // hls.startLevel takes precedence over config.startLevel\n // if none of these values are defined, fallback on this._firstLevel (first quality level appearing in variant manifest)\n if (this._startLevel === undefined) {\n let configStartLevel = this.hls.config.startLevel;\n if (configStartLevel !== undefined) {\n return configStartLevel;\n } else {\n return this._firstLevel;\n }\n } else {\n return this._startLevel;\n }\n }\n\n set startLevel (newLevel) {\n this._startLevel = newLevel;\n }\n\n onError (data) {\n if (data.fatal) {\n if (data.type === ErrorTypes.NETWORK_ERROR) {\n this.clearTimer();\n }\n\n return;\n }\n\n let levelError = false, fragmentError = false;\n let levelIndex;\n\n // try to recover not fatal errors\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n levelIndex = data.frag.level;\n fragmentError = true;\n break;\n case ErrorDetails.LEVEL_LOAD_ERROR:\n case ErrorDetails.LEVEL_LOAD_TIMEOUT:\n levelIndex = data.context.level;\n levelError = true;\n break;\n case ErrorDetails.REMUX_ALLOC_ERROR:\n levelIndex = data.level;\n levelError = true;\n break;\n }\n\n if (levelIndex !== undefined) {\n this.recoverLevel(data, levelIndex, levelError, fragmentError);\n }\n }\n\n /**\n * Switch to a redundant stream if any available.\n * If redundant stream is not available, emergency switch down if ABR mode is enabled.\n *\n * @param {Object} errorEvent\n * @param {Number} levelIndex current level index\n * @param {Boolean} levelError\n * @param {Boolean} fragmentError\n */\n // FIXME Find a better abstraction where fragment/level retry management is well decoupled\n recoverLevel (errorEvent, levelIndex, levelError, fragmentError) {\n let { config } = this.hls;\n let { details: errorDetails } = errorEvent;\n let level = this._levels[levelIndex];\n let redundantLevels, delay, nextLevel;\n\n level.loadError++;\n level.fragmentError = fragmentError;\n\n if (levelError) {\n if ((this.levelRetryCount + 1) <= config.levelLoadingMaxRetry) {\n // exponential backoff capped to max retry timeout\n delay = Math.min(Math.pow(2, this.levelRetryCount) * config.levelLoadingRetryDelay, config.levelLoadingMaxRetryTimeout);\n // Schedule level reload\n this.timer = setTimeout(() => this.loadLevel(), delay);\n // boolean used to inform stream controller not to switch back to IDLE on non fatal error\n errorEvent.levelRetry = true;\n this.levelRetryCount++;\n logger.warn(`level controller, ${errorDetails}, retry in ${delay} ms, current retry count is ${this.levelRetryCount}`);\n } else {\n logger.error(`level controller, cannot recover from ${errorDetails} error`);\n this.currentLevelIndex = null;\n // stopping live reloading timer if any\n this.clearTimer();\n // switch error to fatal\n errorEvent.fatal = true;\n return;\n }\n }\n\n // Try any redundant streams if available for both errors: level and fragment\n // If level.loadError reaches redundantLevels it means that we tried them all, no hope => let's switch down\n if (levelError || fragmentError) {\n redundantLevels = level.url.length;\n\n if (redundantLevels > 1 && level.loadError < redundantLevels) {\n level.urlId = (level.urlId + 1) % redundantLevels;\n level.details = undefined;\n\n logger.warn(`level controller, ${errorDetails} for level ${levelIndex}: switching to redundant URL-id ${level.urlId}`);\n\n // console.log('Current audio track group ID:', this.hls.audioTracks[this.hls.audioTrack].groupId);\n // console.log('New video quality level audio group id:', level.attrs.AUDIO);\n } else {\n // Search for available level\n if (this.manualLevelIndex === -1) {\n // When lowest level has been reached, let's start hunt from the top\n nextLevel = (levelIndex === 0) ? this._levels.length - 1 : levelIndex - 1;\n logger.warn(`level controller, ${errorDetails}: switch to ${nextLevel}`);\n this.hls.nextAutoLevel = this.currentLevelIndex = nextLevel;\n } else if (fragmentError) {\n // Allow fragment retry as long as configuration allows.\n // reset this._level so that another call to set level() will trigger again a frag load\n logger.warn(`level controller, ${errorDetails}: reload a fragment`);\n this.currentLevelIndex = null;\n }\n }\n }\n }\n\n // reset errors on the successful load of a fragment\n onFragLoaded ({ frag }) {\n if (frag !== undefined && frag.type === 'main') {\n const level = this._levels[frag.level];\n if (level !== undefined) {\n level.fragmentError = false;\n level.loadError = 0;\n this.levelRetryCount = 0;\n }\n }\n }\n\n onLevelLoaded (data) {\n const { level, details } = data;\n // only process level loaded events matching with expected level\n if (level !== this.currentLevelIndex) {\n return;\n }\n\n const curLevel = this._levels[level];\n // reset level load error counter on successful level loaded only if there is no issues with fragments\n if (!curLevel.fragmentError) {\n curLevel.loadError = 0;\n this.levelRetryCount = 0;\n }\n // if current playlist is a live playlist, arm a timer to reload it\n if (details.live) {\n const reloadInterval = computeReloadInterval(curLevel.details, details, data.stats.trequest);\n logger.log(`live playlist, reload in ${Math.round(reloadInterval)} ms`);\n this.timer = setTimeout(() => this.loadLevel(), reloadInterval);\n } else {\n this.clearTimer();\n }\n }\n\n onAudioTrackSwitched (data) {\n const audioGroupId = this.hls.audioTracks[data.id].groupId;\n\n const currentLevel = this.hls.levels[this.currentLevelIndex];\n if (!currentLevel) {\n return;\n }\n\n if (currentLevel.audioGroupIds) {\n let urlId = -1;\n\n for (let i = 0; i < currentLevel.audioGroupIds.length; i++) {\n if (currentLevel.audioGroupIds[i] === audioGroupId) {\n urlId = i;\n break;\n }\n }\n\n if (urlId !== currentLevel.urlId) {\n currentLevel.urlId = urlId;\n this.startLoad();\n }\n }\n }\n\n loadLevel () {\n logger.debug('call to loadLevel');\n\n if (this.currentLevelIndex !== null && this.canload) {\n const levelObject = this._levels[this.currentLevelIndex];\n\n if (typeof levelObject === 'object' &&\n levelObject.url.length > 0) {\n const level = this.currentLevelIndex;\n const id = levelObject.urlId;\n const url = levelObject.url[id];\n\n logger.log(`Attempt loading level index ${level} with URL-id ${id}`);\n\n // console.log('Current audio track group ID:', this.hls.audioTracks[this.hls.audioTrack].groupId);\n // console.log('New video quality level audio group id:', levelObject.attrs.AUDIO, level);\n\n this.hls.trigger(Event.LEVEL_LOADING, { url, level, id });\n }\n }\n }\n\n get nextLoadLevel () {\n if (this.manualLevelIndex !== -1) {\n return this.manualLevelIndex;\n } else {\n return this.hls.nextAutoLevel;\n }\n }\n\n set nextLoadLevel (nextLevel) {\n this.level = nextLevel;\n if (this.manualLevelIndex === -1) {\n this.hls.nextAutoLevel = nextLevel;\n }\n }\n}\n","\nexport function sendAddTrackEvent (track: TextTrack, videoEl: HTMLMediaElement) {\n let event: Event;\n try {\n event = new Event('addtrack');\n } catch (err) {\n // for IE11\n event = document.createEvent('Event');\n event.initEvent('addtrack', false, false);\n }\n (event as any).track = track;\n videoEl.dispatchEvent(event);\n}\n\nexport function clearCurrentCues (track: TextTrack) {\n if (track && track.cues) {\n while (track.cues.length > 0) {\n track.removeCue(track.cues[0]);\n }\n }\n}\n\n/**\n\n * Given a list of Cues, finds the closest cue matching the given time.\n * Modified verison of binary search O(log(n)).\n *\n * @export\n * @param {(TextTrackCueList | TextTrackCue[])} cues - List of cues.\n * @param {number} time - Target time, to find closest cue to.\n * @returns {TextTrackCue}\n */\nexport function getClosestCue (cues: TextTrackCueList | TextTrackCue[], time: number): TextTrackCue {\n // If the offset is less than the first element, the first element is the closest.\n if (time < cues[0].endTime) {\n return cues[0];\n }\n // If the offset is greater than the last cue, the last is the closest.\n if (time > cues[cues.length - 1].endTime) {\n return cues[cues.length - 1];\n }\n\n let left = 0;\n let right = cues.length - 1;\n\n while (left <= right) {\n const mid = Math.floor((right + left) / 2);\n\n if (time < cues[mid].endTime) {\n right = mid - 1;\n } else if (time > cues[mid].endTime) {\n left = mid + 1;\n } else {\n // If it's not lower or higher, it must be equal.\n return cues[mid];\n }\n }\n // At this point, left and right have swapped.\n // No direct match was found, left or right element must be the closest. Check which one has the smallest diff.\n return (cues[left].endTime - time) < (time - cues[right].endTime) ? cues[left] : cues[right];\n}\n","/*\n * id3 metadata track controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport ID3 from '../demux/id3';\nimport { logger } from '../utils/logger';\nimport { sendAddTrackEvent, clearCurrentCues, getClosestCue } from '../utils/texttrack-utils';\n\nclass ID3TrackController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.FRAG_PARSING_METADATA,\n Event.LIVE_BACK_BUFFER_REACHED\n );\n\n this.id3Track = undefined;\n this.media = undefined;\n }\n\n destroy () {\n EventHandler.prototype.destroy.call(this);\n }\n\n // Add ID3 metatadata text track.\n onMediaAttached (data) {\n this.media = data.media;\n if (!this.media) {\n\n }\n }\n\n onMediaDetaching () {\n clearCurrentCues(this.id3Track);\n this.id3Track = undefined;\n this.media = undefined;\n }\n\n getID3Track (textTracks) {\n for (let i = 0; i < textTracks.length; i++) {\n let textTrack = textTracks[i];\n if (textTrack.kind === 'metadata' && textTrack.label === 'id3') {\n // send 'addtrack' when reusing the textTrack for metadata,\n // same as what we do for captions\n sendAddTrackEvent(textTrack, this.media);\n\n return textTrack;\n }\n }\n return this.media.addTextTrack('metadata', 'id3');\n }\n\n onLiveBackBufferReached ({ bufferEnd }) {\n if (!this.id3Track || !this.id3Track.cues || !this.id3Track.cues.length) {\n return;\n }\n const foundCue = getClosestCue(this.id3Track.cues, bufferEnd);\n if (!foundCue) {\n return;\n }\n\n let removeCues = true;\n while (removeCues) {\n const cue = this.id3Track.cues[0];\n if (!this.id3Track.cues.length || cue.id === foundCue.id) {\n removeCues = false;\n return;\n }\n this.id3Track.removeCue(cue);\n }\n }\n\n onFragParsingMetadata (data) {\n const fragment = data.frag;\n const samples = data.samples;\n\n // create track dynamically\n if (!this.id3Track) {\n this.id3Track = this.getID3Track(this.media.textTracks);\n this.id3Track.mode = 'hidden';\n }\n\n // Attempt to recreate Safari functionality by creating\n // WebKitDataCue objects when available and store the decoded\n // ID3 data in the value property of the cue\n let Cue = window.WebKitDataCue || window.VTTCue || window.TextTrackCue;\n\n for (let i = 0; i < samples.length; i++) {\n const frames = ID3.getID3Frames(samples[i].data);\n if (frames) {\n const startTime = samples[i].pts;\n let endTime = i < samples.length - 1 ? samples[i + 1].pts : fragment.endPTS;\n\n if (startTime === endTime) {\n // Give a slight bump to the endTime if it's equal to startTime to avoid a SyntaxError in IE\n endTime += 0.0001;\n } else if (startTime > endTime) {\n logger.warn('detected an id3 sample with endTime < startTime, adjusting endTime to (startTime + 0.25)');\n endTime = startTime + 0.25;\n }\n\n for (let j = 0; j < frames.length; j++) {\n const frame = frames[j];\n // Safari doesn't put the timestamp frame in the TextTrack\n if (!ID3.isTimeStampFrame(frame)) {\n const cue = new Cue(startTime, endTime, '');\n cue.value = frame;\n this.id3Track.addCue(cue);\n }\n }\n }\n }\n }\n\n onLiveBackBufferReached ({ bufferEnd }) {\n const { id3Track } = this;\n if (!id3Track || !id3Track.cues || !id3Track.cues.length) {\n return;\n }\n const foundCue = getClosestCue(id3Track.cues, bufferEnd);\n if (!foundCue) {\n return;\n }\n while (id3Track.cues[0] !== foundCue) {\n id3Track.removeCue(id3Track.cues[0]);\n }\n }\n}\n\nexport default ID3TrackController;\n","/*\n * compute an Exponential Weighted moving average\n * - https://en.wikipedia.org/wiki/Moving_average#Exponential_moving_average\n * - heavily inspired from shaka-player\n */\n\nclass EWMA {\n private alpha_: number;\n private estimate_: number;\n private totalWeight_: number;\n\n // About half of the estimated value will be from the last |halfLife| samples by weight.\n constructor (halfLife: number) {\n // Larger values of alpha expire historical data more slowly.\n this.alpha_ = halfLife ? Math.exp(Math.log(0.5) / halfLife) : 0;\n this.estimate_ = 0;\n this.totalWeight_ = 0;\n }\n\n sample (weight: number, value: number) {\n let adjAlpha = Math.pow(this.alpha_, weight);\n this.estimate_ = value * (1 - adjAlpha) + adjAlpha * this.estimate_;\n this.totalWeight_ += weight;\n }\n\n getTotalWeight (): number {\n return this.totalWeight_;\n }\n\n getEstimate (): number {\n if (this.alpha_) {\n let zeroFactor = 1 - Math.pow(this.alpha_, this.totalWeight_);\n return this.estimate_ / zeroFactor;\n } else {\n return this.estimate_;\n }\n }\n}\n\nexport default EWMA;\n","/*\n * EWMA Bandwidth Estimator\n * - heavily inspired from shaka-player\n * Tracks bandwidth samples and estimates available bandwidth.\n * Based on the minimum of two exponentially-weighted moving averages with\n * different half-lives.\n */\n\nimport EWMA from '../utils/ewma';\n\nclass EwmaBandWidthEstimator {\n hls: any;\n\n private defaultEstimate_: number;\n private minWeight_: number;\n private minDelayMs_: number;\n private slow_: EWMA;\n private fast_: EWMA;\n\n // TODO(typescript-hls)\n constructor (hls: any, slow: number, fast: number, defaultEstimate: number) {\n this.hls = hls;\n this.defaultEstimate_ = defaultEstimate;\n this.minWeight_ = 0.001;\n this.minDelayMs_ = 50;\n this.slow_ = new EWMA(slow);\n this.fast_ = new EWMA(fast);\n }\n\n sample (durationMs: number, numBytes: number) {\n durationMs = Math.max(durationMs, this.minDelayMs_);\n let numBits = 8 * numBytes,\n // weight is duration in seconds\n durationS = durationMs / 1000,\n // value is bandwidth in bits/s\n bandwidthInBps = numBits / durationS;\n this.fast_.sample(durationS, bandwidthInBps);\n this.slow_.sample(durationS, bandwidthInBps);\n }\n\n canEstimate (): boolean {\n let fast = this.fast_;\n return (fast && fast.getTotalWeight() >= this.minWeight_);\n }\n\n getEstimate (): number {\n if (this.canEstimate()) {\n // console.log('slow estimate:'+ Math.round(this.slow_.getEstimate()));\n // console.log('fast estimate:'+ Math.round(this.fast_.getEstimate()));\n // Take the minimum of these two estimates. This should have the effect of\n // adapting down quickly, but up more slowly.\n return Math.min(this.fast_.getEstimate(), this.slow_.getEstimate());\n } else {\n return this.defaultEstimate_;\n }\n }\n\n destroy () {\n }\n}\nexport default EwmaBandWidthEstimator;\n","/*\n * simple ABR Controller\n * - compute next level based on last fragment bw heuristics\n * - implement an abandon rules triggered if we have less than 2 frag buffered and if computed bw shows that we risk buffer stalling\n */\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport { ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport EwmaBandWidthEstimator from '../utils/ewma-bandwidth-estimator';\n\nconst { performance } = window;\n\nclass AbrController extends EventHandler {\n constructor (hls) {\n super(hls, Event.FRAG_LOADING,\n Event.FRAG_LOADED,\n Event.FRAG_BUFFERED,\n Event.ERROR);\n this.lastLoadedFragLevel = 0;\n this._nextAutoLevel = -1;\n this.hls = hls;\n this.timer = null;\n this._bwEstimator = null;\n this.onCheck = this._abandonRulesCheck.bind(this);\n }\n\n destroy () {\n this.clearTimer();\n EventHandler.prototype.destroy.call(this);\n }\n\n onFragLoading (data) {\n const frag = data.frag;\n if (frag.type === 'main') {\n if (!this.timer) {\n this.fragCurrent = frag;\n this.timer = setInterval(this.onCheck, 100);\n }\n\n // lazy init of BwEstimator, rationale is that we use different params for Live/VoD\n // so we need to wait for stream manifest / playlist type to instantiate it.\n if (!this._bwEstimator) {\n const hls = this.hls;\n const config = hls.config;\n const level = frag.level;\n const isLive = hls.levels[level].details.live;\n\n let ewmaFast;\n let ewmaSlow;\n if (isLive) {\n ewmaFast = config.abrEwmaFastLive;\n ewmaSlow = config.abrEwmaSlowLive;\n } else {\n ewmaFast = config.abrEwmaFastVoD;\n ewmaSlow = config.abrEwmaSlowVoD;\n }\n this._bwEstimator = new EwmaBandWidthEstimator(hls, ewmaSlow, ewmaFast, config.abrEwmaDefaultEstimate);\n }\n }\n }\n\n _abandonRulesCheck () {\n /*\n monitor fragment retrieval time...\n we compute expected time of arrival of the complete fragment.\n we compare it to expected time of buffer starvation\n */\n const hls = this.hls;\n const video = hls.media;\n const frag = this.fragCurrent;\n\n if (!frag) {\n return;\n }\n\n const loader = frag.loader;\n const minAutoLevel = hls.minAutoLevel;\n\n // if loader has been destroyed or loading has been aborted, stop timer and return\n if (!loader || (loader.stats && loader.stats.aborted)) {\n logger.warn('frag loader destroy or aborted, disarm abandonRules');\n this.clearTimer();\n // reset forced auto level value so that next level will be selected\n this._nextAutoLevel = -1;\n return;\n }\n let stats = loader.stats;\n /* only monitor frag retrieval time if\n (video not paused OR first fragment being loaded(ready state === HAVE_NOTHING = 0)) AND autoswitching enabled AND not lowest level (=> means that we have several levels) */\n if (video && stats && ((!video.paused && (video.playbackRate !== 0)) || !video.readyState) && frag.autoLevel && frag.level) {\n const requestDelay = performance.now() - stats.trequest;\n const playbackRate = Math.abs(video.playbackRate);\n\n // monitor fragment load progress after half of expected fragment duration,to stabilize bitrate\n if (requestDelay > (500 * frag.duration / playbackRate)) {\n const levels = hls.levels;\n const loadRate = Math.max(1, stats.bw ? stats.bw / 8 : stats.loaded * 1000 / requestDelay); // byte/s; at least 1 byte/s to avoid division by zero\n\n // compute expected fragment length using frag duration and level bitrate. also ensure that expected len is gte than already loaded size\n const level = levels[frag.level];\n const levelBitrate = level.realBitrate ? Math.max(level.realBitrate, level.bitrate) : level.bitrate;\n const expectedLen = stats.total ? stats.total : Math.max(stats.loaded, Math.round(frag.duration * levelBitrate / 8));\n const pos = video.currentTime;\n const fragLoadedDelay = (expectedLen - stats.loaded) / loadRate;\n const bufferStarvationDelay = (BufferHelper.bufferInfo(video, pos, hls.config.maxBufferHole).end - pos) / playbackRate;\n\n // consider emergency switch down only if we have less than 2 frag buffered AND\n // time to finish loading current fragment is bigger than buffer starvation delay\n // ie if we risk buffer starvation if bw does not increase quickly\n if ((bufferStarvationDelay < (2 * frag.duration / playbackRate)) && (fragLoadedDelay > bufferStarvationDelay)) {\n let fragLevelNextLoadedDelay;\n let nextLoadLevel;\n // lets iterate through lower level and try to find the biggest one that could avoid rebuffering\n // we start from current level - 1 and we step down , until we find a matching level\n for (nextLoadLevel = frag.level - 1; nextLoadLevel > minAutoLevel; nextLoadLevel--) {\n // compute time to load next fragment at lower level\n // 0.8 : consider only 80% of current bw to be conservative\n // 8 = bits per byte (bps/Bps)\n const levelNextBitrate = levels[nextLoadLevel].realBitrate\n ? Math.max(levels[nextLoadLevel].realBitrate, levels[nextLoadLevel].bitrate)\n : levels[nextLoadLevel].bitrate;\n\n const fragLevelNextLoadedDelay = frag.duration * levelNextBitrate / (8 * 0.8 * loadRate);\n\n if (fragLevelNextLoadedDelay < bufferStarvationDelay) {\n // we found a lower level that be rebuffering free with current estimated bw !\n break;\n }\n }\n // only emergency switch down if it takes less time to load new fragment at lowest level instead\n // of finishing loading current one ...\n if (fragLevelNextLoadedDelay < fragLoadedDelay) {\n logger.warn(`loading too slow, abort fragment loading and switch to level ${nextLoadLevel}:fragLoadedDelay[${nextLoadLevel}]<fragLoadedDelay[${frag.level - 1}];bufferStarvationDelay:${fragLevelNextLoadedDelay.toFixed(1)}<${fragLoadedDelay.toFixed(1)}:${bufferStarvationDelay.toFixed(1)}`);\n // force next load level in auto mode\n hls.nextLoadLevel = nextLoadLevel;\n // update bw estimate for this fragment before cancelling load (this will help reducing the bw)\n this._bwEstimator.sample(requestDelay, stats.loaded);\n // abort fragment loading\n loader.abort();\n // stop abandon rules timer\n this.clearTimer();\n hls.trigger(Event.FRAG_LOAD_EMERGENCY_ABORTED, { frag: frag, stats: stats });\n }\n }\n }\n }\n }\n\n onFragLoaded (data) {\n const frag = data.frag;\n if (frag.type === 'main' && Number.isFinite(frag.sn)) {\n // stop monitoring bw once frag loaded\n this.clearTimer();\n // store level id after successful fragment load\n this.lastLoadedFragLevel = frag.level;\n // reset forced auto level value so that next level will be selected\n this._nextAutoLevel = -1;\n\n // compute level average bitrate\n if (this.hls.config.abrMaxWithRealBitrate) {\n const level = this.hls.levels[frag.level];\n let loadedBytes = (level.loaded ? level.loaded.bytes : 0) + data.stats.loaded;\n let loadedDuration = (level.loaded ? level.loaded.duration : 0) + data.frag.duration;\n level.loaded = { bytes: loadedBytes, duration: loadedDuration };\n level.realBitrate = Math.round(8 * loadedBytes / loadedDuration);\n }\n // if fragment has been loaded to perform a bitrate test,\n if (data.frag.bitrateTest) {\n let stats = data.stats;\n stats.tparsed = stats.tbuffered = stats.tload;\n this.onFragBuffered(data);\n }\n }\n }\n\n onFragBuffered (data) {\n const stats = data.stats;\n const frag = data.frag;\n // only update stats on first frag buffering\n // if same frag is loaded multiple times, it might be in browser cache, and loaded quickly\n // and leading to wrong bw estimation\n // on bitrate test, also only update stats once (if tload = tbuffered == on FRAG_LOADED)\n if (stats.aborted !== true && frag.type === 'main' && Number.isFinite(frag.sn) && ((!frag.bitrateTest || stats.tload === stats.tbuffered))) {\n // use tparsed-trequest instead of tbuffered-trequest to compute fragLoadingProcessing; rationale is that buffer appending only happens once media is attached\n // in case we use config.startFragPrefetch while media is not attached yet, fragment might be parsed while media not attached yet, but it will only be buffered on media attached\n // as a consequence it could happen really late in the process. meaning that appending duration might appears huge ... leading to underestimated throughput estimation\n let fragLoadingProcessingMs = stats.tparsed - stats.trequest;\n logger.log(`latency/loading/parsing/append/kbps:${Math.round(stats.tfirst - stats.trequest)}/${Math.round(stats.tload - stats.tfirst)}/${Math.round(stats.tparsed - stats.tload)}/${Math.round(stats.tbuffered - stats.tparsed)}/${Math.round(8 * stats.loaded / (stats.tbuffered - stats.trequest))}`);\n this._bwEstimator.sample(fragLoadingProcessingMs, stats.loaded);\n stats.bwEstimate = this._bwEstimator.getEstimate();\n // if fragment has been loaded to perform a bitrate test, (hls.startLevel = -1), store bitrate test delay duration\n if (frag.bitrateTest) {\n this.bitrateTestDelay = fragLoadingProcessingMs / 1000;\n } else {\n this.bitrateTestDelay = 0;\n }\n }\n }\n\n onError (data) {\n // stop timer in case of frag loading error\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n this.clearTimer();\n break;\n default:\n break;\n }\n }\n\n clearTimer () {\n clearInterval(this.timer);\n this.timer = null;\n }\n\n // return next auto level\n get nextAutoLevel () {\n const forcedAutoLevel = this._nextAutoLevel;\n const bwEstimator = this._bwEstimator;\n // in case next auto level has been forced, and bw not available or not reliable, return forced value\n if (forcedAutoLevel !== -1 && (!bwEstimator || !bwEstimator.canEstimate())) {\n return forcedAutoLevel;\n }\n\n // compute next level using ABR logic\n let nextABRAutoLevel = this._nextABRAutoLevel;\n // if forced auto level has been defined, use it to cap ABR computed quality level\n if (forcedAutoLevel !== -1) {\n nextABRAutoLevel = Math.min(forcedAutoLevel, nextABRAutoLevel);\n }\n\n return nextABRAutoLevel;\n }\n get _nextABRAutoLevel () {\n let hls = this.hls;\n const { maxAutoLevel, levels, config, minAutoLevel } = hls;\n const video = hls.media;\n const currentLevel = this.lastLoadedFragLevel;\n const currentFragDuration = this.fragCurrent ? this.fragCurrent.duration : 0;\n const pos = (video ? video.currentTime : 0);\n\n // playbackRate is the absolute value of the playback rate; if video.playbackRate is 0, we use 1 to load as\n // if we're playing back at the normal rate.\n const playbackRate = ((video && (video.playbackRate !== 0)) ? Math.abs(video.playbackRate) : 1.0);\n const avgbw = this._bwEstimator ? this._bwEstimator.getEstimate() : config.abrEwmaDefaultEstimate;\n // bufferStarvationDelay is the wall-clock time left until the playback buffer is exhausted.\n const bufferStarvationDelay = (BufferHelper.bufferInfo(video, pos, config.maxBufferHole).end - pos) / playbackRate;\n\n // First, look to see if we can find a level matching with our avg bandwidth AND that could also guarantee no rebuffering at all\n let bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay, config.abrBandWidthFactor, config.abrBandWidthUpFactor, levels);\n if (bestLevel >= 0) {\n return bestLevel;\n } else {\n logger.trace('rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering');\n // not possible to get rid of rebuffering ... let's try to find level that will guarantee less than maxStarvationDelay of rebuffering\n // if no matching level found, logic will return 0\n let maxStarvationDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxStarvationDelay) : config.maxStarvationDelay;\n let bwFactor = config.abrBandWidthFactor;\n let bwUpFactor = config.abrBandWidthUpFactor;\n\n if (bufferStarvationDelay === 0) {\n // in case buffer is empty, let's check if previous fragment was loaded to perform a bitrate test\n let bitrateTestDelay = this.bitrateTestDelay;\n if (bitrateTestDelay) {\n // if it is the case, then we need to adjust our max starvation delay using maxLoadingDelay config value\n // max video loading delay used in automatic start level selection :\n // in that mode ABR controller will ensure that video loading time (ie the time to fetch the first fragment at lowest quality level +\n // the time to fetch the fragment at the appropriate quality level is less than ```maxLoadingDelay``` )\n // cap maxLoadingDelay and ensure it is not bigger 'than bitrate test' frag duration\n const maxLoadingDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxLoadingDelay) : config.maxLoadingDelay;\n maxStarvationDelay = maxLoadingDelay - bitrateTestDelay;\n logger.trace(`bitrate test took ${Math.round(1000 * bitrateTestDelay)}ms, set first fragment max fetchDuration to ${Math.round(1000 * maxStarvationDelay)} ms`);\n // don't use conservative factor on bitrate test\n bwFactor = bwUpFactor = 1;\n }\n }\n bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay + maxStarvationDelay, bwFactor, bwUpFactor, levels);\n return Math.max(bestLevel, 0);\n }\n }\n\n _findBestLevel (currentLevel, currentFragDuration, currentBw, minAutoLevel, maxAutoLevel, maxFetchDuration, bwFactor, bwUpFactor, levels) {\n for (let i = maxAutoLevel; i >= minAutoLevel; i--) {\n let levelInfo = levels[i];\n\n if (!levelInfo) {\n continue;\n }\n\n const levelDetails = levelInfo.details;\n const avgDuration = levelDetails ? levelDetails.totalduration / levelDetails.fragments.length : currentFragDuration;\n const live = levelDetails ? levelDetails.live : false;\n\n let adjustedbw;\n // follow algorithm captured from stagefright :\n // https://android.googlesource.com/platform/frameworks/av/+/master/media/libstagefright/httplive/LiveSession.cpp\n // Pick the highest bandwidth stream below or equal to estimated bandwidth.\n // consider only 80% of the available bandwidth, but if we are switching up,\n // be even more conservative (70%) to avoid overestimating and immediately\n // switching back.\n if (i <= currentLevel) {\n adjustedbw = bwFactor * currentBw;\n } else {\n adjustedbw = bwUpFactor * currentBw;\n }\n\n const bitrate = levels[i].realBitrate ? Math.max(levels[i].realBitrate, levels[i].bitrate) : levels[i].bitrate;\n const fetchDuration = bitrate * avgDuration / adjustedbw;\n\n logger.trace(`level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: ${i}/${Math.round(adjustedbw)}/${bitrate}/${avgDuration}/${maxFetchDuration}/${fetchDuration}`);\n // if adjusted bw is greater than level bitrate AND\n if (adjustedbw > bitrate &&\n // fragment fetchDuration unknown OR live stream OR fragment fetchDuration less than max allowed fetch duration, then this level matches\n // we don't account for max Fetch Duration for live streams, this is to avoid switching down when near the edge of live sliding window ...\n // special case to support startLevel = -1 (bitrateTest) on live streams : in that case we should not exit loop so that _findBestLevel will return -1\n (!fetchDuration || (live && !this.bitrateTestDelay) || fetchDuration < maxFetchDuration)) {\n // as we are looping from highest to lowest, this will return the best achievable quality level\n return i;\n }\n }\n // not enough time budget even with quality level 0 ... rebuffering might happen\n return -1;\n }\n\n set nextAutoLevel (nextLevel) {\n this._nextAutoLevel = nextLevel;\n }\n}\n\nexport default AbrController;\n","/*\n * Buffer Controller\n */\n\nimport Events from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { getMediaSource } from '../utils/mediasource-helper';\n\nimport { TrackSet } from '../types/track';\nimport { Segment } from '../types/segment';\nimport { BufferControllerConfig } from '../config';\n\n// Add extension properties to SourceBuffers from the DOM API.\ntype ExtendedSourceBuffer = SourceBuffer & {\n ended?: boolean\n};\n\ntype SourceBufferName = 'video' | 'audio';\ntype SourceBuffers = Partial<Record<SourceBufferName, ExtendedSourceBuffer>>;\n\ninterface SourceBufferFlushRange {\n start: number;\n end: number;\n type: SourceBufferName\n}\n\nconst MediaSource = getMediaSource();\n\nclass BufferController extends EventHandler {\n // the value that we have set mediasource.duration to\n // (the actual duration may be tweaked slighly by the browser)\n private _msDuration: number | null = null;\n // the value that we want to set mediaSource.duration to\n private _levelDuration: number | null = null;\n // the target duration of the current media playlist\n private _levelTargetDuration: number = 10;\n // current stream state: true - for live broadcast, false - for VoD content\n private _live: boolean | null = null;\n // cache the self generated object url to detect hijack of video tag\n private _objectUrl: string | null = null;\n\n // signals that the sourceBuffers need to be flushed\n private _needsFlush: boolean = false;\n\n // signals that mediaSource should have endOfStream called\n private _needsEos: boolean = false;\n\n private config: BufferControllerConfig;\n\n // this is optional because this property is removed from the class sometimes\n public audioTimestampOffset?: number;\n\n // The number of BUFFER_CODEC events received before any sourceBuffers are created\n public bufferCodecEventsExpected: number = 0;\n\n // The total number of BUFFER_CODEC events received\n private _bufferCodecEventsTotal: number = 0;\n\n // A reference to the attached media element\n public media: HTMLMediaElement | null = null;\n\n // A reference to the active media source\n public mediaSource: MediaSource | null = null;\n\n // List of pending segments to be appended to source buffer\n public segments: Segment[] = [];\n\n public parent?: string;\n\n // A guard to see if we are currently appending to the source buffer\n public appending: boolean = false;\n\n // counters\n public appended: number = 0;\n public appendError: number = 0;\n public flushBufferCounter: number = 0;\n\n public tracks: TrackSet = {};\n public pendingTracks: TrackSet = {};\n public sourceBuffer: SourceBuffers = {};\n public flushRange: SourceBufferFlushRange[] = [];\n\n constructor (hls: any) {\n super(hls,\n Events.MEDIA_ATTACHING,\n Events.MEDIA_DETACHING,\n Events.MANIFEST_PARSED,\n Events.BUFFER_RESET,\n Events.BUFFER_APPENDING,\n Events.BUFFER_CODECS,\n Events.BUFFER_EOS,\n Events.BUFFER_FLUSHING,\n Events.LEVEL_PTS_UPDATED,\n Events.LEVEL_UPDATED);\n\n this.config = hls.config;\n }\n\n destroy () {\n EventHandler.prototype.destroy.call(this);\n }\n\n onLevelPtsUpdated (data: { type: SourceBufferName, start: number }) {\n let type = data.type;\n let audioTrack = this.tracks.audio;\n\n // Adjusting `SourceBuffer.timestampOffset` (desired point in the timeline where the next frames should be appended)\n // in Chrome browser when we detect MPEG audio container and time delta between level PTS and `SourceBuffer.timestampOffset`\n // is greater than 100ms (this is enough to handle seek for VOD or level change for LIVE videos). At the time of change we issue\n // `SourceBuffer.abort()` and adjusting `SourceBuffer.timestampOffset` if `SourceBuffer.updating` is false or awaiting `updateend`\n // event if SB is in updating state.\n // More info here: https://github.com/video-dev/hls.js/issues/332#issuecomment-257986486\n\n if (type === 'audio' && audioTrack && audioTrack.container === 'audio/mpeg') { // Chrome audio mp3 track\n let audioBuffer = this.sourceBuffer.audio;\n if (!audioBuffer) {\n throw Error('Level PTS Updated and source buffer for audio uninitalized');\n }\n\n let delta = Math.abs(audioBuffer.timestampOffset - data.start);\n\n // adjust timestamp offset if time delta is greater than 100ms\n if (delta > 0.1) {\n let updating = audioBuffer.updating;\n\n try {\n audioBuffer.abort();\n } catch (err) {\n logger.warn('can not abort audio buffer: ' + err);\n }\n\n if (!updating) {\n logger.warn('change mpeg audio timestamp offset from ' + audioBuffer.timestampOffset + ' to ' + data.start);\n audioBuffer.timestampOffset = data.start;\n } else {\n this.audioTimestampOffset = data.start;\n }\n }\n }\n }\n\n onManifestParsed (data: { altAudio: boolean }) {\n // in case of alt audio 2 BUFFER_CODECS events will be triggered, one per stream controller\n // sourcebuffers will be created all at once when the expected nb of tracks will be reached\n // in case alt audio is not used, only one BUFFER_CODEC event will be fired from main stream controller\n // it will contain the expected nb of source buffers, no need to compute it\n this.bufferCodecEventsExpected = this._bufferCodecEventsTotal = data.altAudio ? 2 : 1;\n logger.log(`${this.bufferCodecEventsExpected} bufferCodec event(s) expected`);\n }\n\n onMediaAttaching (data: { media: HTMLMediaElement }) {\n let media = this.media = data.media;\n if (media && MediaSource) {\n // setup the media source\n let ms = this.mediaSource = new MediaSource();\n // Media Source listeners\n ms.addEventListener('sourceopen', this._onMediaSourceOpen);\n ms.addEventListener('sourceended', this._onMediaSourceEnded);\n ms.addEventListener('sourceclose', this._onMediaSourceClose);\n // link video and media Source\n media.src = window.URL.createObjectURL(ms);\n // cache the locally generated object url\n this._objectUrl = media.src;\n }\n }\n\n onMediaDetaching () {\n logger.log('media source detaching');\n let ms = this.mediaSource;\n if (ms) {\n if (ms.readyState === 'open') {\n try {\n // endOfStream could trigger exception if any sourcebuffer is in updating state\n // we don't really care about checking sourcebuffer state here,\n // as we are anyway detaching the MediaSource\n // let's just avoid this exception to propagate\n ms.endOfStream();\n } catch (err) {\n logger.warn(`onMediaDetaching:${err.message} while calling endOfStream`);\n }\n }\n ms.removeEventListener('sourceopen', this._onMediaSourceOpen);\n ms.removeEventListener('sourceended', this._onMediaSourceEnded);\n ms.removeEventListener('sourceclose', this._onMediaSourceClose);\n\n // Detach properly the MediaSource from the HTMLMediaElement as\n // suggested in https://github.com/w3c/media-source/issues/53.\n if (this.media) {\n if (this._objectUrl) {\n window.URL.revokeObjectURL(this._objectUrl);\n }\n\n // clean up video tag src only if it's our own url. some external libraries might\n // hijack the video tag and change its 'src' without destroying the Hls instance first\n if (this.media.src === this._objectUrl) {\n this.media.removeAttribute('src');\n this.media.load();\n } else {\n logger.warn('media.src was changed by a third party - skip cleanup');\n }\n }\n\n this.mediaSource = null;\n this.media = null;\n this._objectUrl = null;\n this.bufferCodecEventsExpected = this._bufferCodecEventsTotal;\n this.pendingTracks = {};\n this.tracks = {};\n this.sourceBuffer = {};\n this.flushRange = [];\n this.segments = [];\n this.appended = 0;\n }\n\n this.hls.trigger(Events.MEDIA_DETACHED);\n }\n\n checkPendingTracks () {\n let { bufferCodecEventsExpected, pendingTracks } = this;\n\n // Check if we've received all of the expected bufferCodec events. When none remain, create all the sourceBuffers at once.\n // This is important because the MSE spec allows implementations to throw QuotaExceededErrors if creating new sourceBuffers after\n // data has been appended to existing ones.\n // 2 tracks is the max (one for audio, one for video). If we've reach this max go ahead and create the buffers.\n const pendingTracksCount = Object.keys(pendingTracks).length;\n if ((pendingTracksCount && !bufferCodecEventsExpected) || pendingTracksCount === 2) {\n // ok, let's create them now !\n this.createSourceBuffers(pendingTracks);\n this.pendingTracks = {};\n // append any pending segments now !\n this.doAppending();\n }\n }\n\n private _onMediaSourceOpen = () => {\n logger.log('media source opened');\n this.hls.trigger(Events.MEDIA_ATTACHED, { media: this.media });\n let mediaSource = this.mediaSource;\n if (mediaSource) {\n // once received, don't listen anymore to sourceopen event\n mediaSource.removeEventListener('sourceopen', this._onMediaSourceOpen);\n }\n this.checkPendingTracks();\n }\n\n private _onMediaSourceClose = () => {\n logger.log('media source closed');\n }\n\n private _onMediaSourceEnded = () => {\n logger.log('media source ended');\n }\n\n private _onSBUpdateEnd = () => {\n // update timestampOffset\n if (this.audioTimestampOffset && this.sourceBuffer.audio) {\n let audioBuffer = this.sourceBuffer.audio;\n\n logger.warn(`change mpeg audio timestamp offset from ${audioBuffer.timestampOffset} to ${this.audioTimestampOffset}`);\n audioBuffer.timestampOffset = this.audioTimestampOffset;\n delete this.audioTimestampOffset;\n }\n\n if (this._needsFlush) {\n this.doFlush();\n }\n\n if (this._needsEos) {\n this.checkEos();\n }\n\n this.appending = false;\n let parent = this.parent;\n // count nb of pending segments waiting for appending on this sourcebuffer\n let pending = this.segments.reduce((counter, segment) => (segment.parent === parent) ? counter + 1 : counter, 0);\n\n // this.sourceBuffer is better to use than media.buffered as it is closer to the PTS data from the fragments\n const timeRanges: Partial<Record<SourceBufferName, TimeRanges>> = {};\n const sbSet = this.sourceBuffer;\n for (let streamType in sbSet) {\n const sb = sbSet[streamType as SourceBufferName];\n if (!sb) {\n throw Error(`handling source buffer update end error: source buffer for ${streamType} uninitilized and unable to update buffered TimeRanges.`);\n }\n timeRanges[streamType as SourceBufferName] = sb.buffered;\n }\n\n this.hls.trigger(Events.BUFFER_APPENDED, { parent, pending, timeRanges });\n // don't append in flushing mode\n if (!this._needsFlush) {\n this.doAppending();\n }\n\n this.updateMediaElementDuration();\n\n // appending goes first\n if (pending === 0) {\n this.flushLiveBackBuffer();\n }\n }\n\n private _onSBUpdateError = (event: Event) => {\n logger.error('sourceBuffer error:', event);\n // according to http://www.w3.org/TR/media-source/#sourcebuffer-append-error\n // this error might not always be fatal (it is fatal if decode error is set, in that case\n // it will be followed by a mediaElement error ...)\n this.hls.trigger(Events.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_APPENDING_ERROR, fatal: false });\n // we don't need to do more than that, as accordin to the spec, updateend will be fired just after\n }\n\n onBufferReset () {\n const sourceBuffer = this.sourceBuffer;\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type];\n try {\n if (sb) {\n if (this.mediaSource) {\n this.mediaSource.removeSourceBuffer(sb);\n }\n sb.removeEventListener('updateend', this._onSBUpdateEnd);\n sb.removeEventListener('error', this._onSBUpdateError);\n }\n } catch (err) {\n }\n }\n this.sourceBuffer = {};\n this.flushRange = [];\n this.segments = [];\n this.appended = 0;\n }\n\n onBufferCodecs (tracks: TrackSet) {\n // if source buffer(s) not created yet, appended buffer tracks in this.pendingTracks\n // if sourcebuffers already created, do nothing ...\n if (Object.keys(this.sourceBuffer).length) {\n return;\n }\n\n Object.keys(tracks).forEach(trackName => {\n this.pendingTracks[trackName] = tracks[trackName];\n });\n\n this.bufferCodecEventsExpected = Math.max(this.bufferCodecEventsExpected - 1, 0);\n if (this.mediaSource && this.mediaSource.readyState === 'open') {\n this.checkPendingTracks();\n }\n }\n\n createSourceBuffers (tracks: TrackSet) {\n const { sourceBuffer, mediaSource } = this;\n if (!mediaSource) {\n throw Error('createSourceBuffers called when mediaSource was null');\n }\n\n for (let trackName in tracks) {\n if (!sourceBuffer[trackName]) {\n let track = tracks[trackName as keyof TrackSet];\n if (!track) {\n throw Error(`source buffer exists for track ${trackName}, however track does not`);\n }\n // use levelCodec as first priority\n let codec = track.levelCodec || track.codec;\n let mimeType = `${track.container};codecs=${codec}`;\n logger.log(`creating sourceBuffer(${mimeType})`);\n try {\n let sb = sourceBuffer[trackName] = mediaSource.addSourceBuffer(mimeType);\n sb.addEventListener('updateend', this._onSBUpdateEnd);\n sb.addEventListener('error', this._onSBUpdateError);\n this.tracks[trackName] = {\n buffer: sb,\n codec: codec,\n id: track.id,\n container: track.container,\n levelCodec: track.levelCodec\n };\n } catch (err) {\n logger.error(`error while trying to add sourceBuffer:${err.message}`);\n this.hls.trigger(Events.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_ADD_CODEC_ERROR, fatal: false, err: err, mimeType: mimeType });\n }\n }\n }\n this.hls.trigger(Events.BUFFER_CREATED, { tracks: this.tracks });\n }\n\n onBufferAppending (data: Segment) {\n if (!this._needsFlush) {\n if (!this.segments) {\n this.segments = [ data ];\n } else {\n this.segments.push(data);\n }\n\n this.doAppending();\n }\n }\n\n // on BUFFER_EOS mark matching sourcebuffer(s) as ended and trigger checkEos()\n // an undefined data.type will mark all buffers as EOS.\n onBufferEos (data: { type?: SourceBufferName }) {\n for (const type in this.sourceBuffer) {\n if (!data.type || data.type === type) {\n const sb = this.sourceBuffer[type as SourceBufferName];\n if (sb && !sb.ended) {\n sb.ended = true;\n logger.log(`${type} sourceBuffer now EOS`);\n }\n }\n }\n\n this.checkEos();\n }\n\n // if all source buffers are marked as ended, signal endOfStream() to MediaSource.\n checkEos () {\n const { sourceBuffer, mediaSource } = this;\n if (!mediaSource || mediaSource.readyState !== 'open') {\n this._needsEos = false;\n return;\n }\n\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type as SourceBufferName];\n if (!sb) continue;\n\n if (!sb.ended) {\n return;\n }\n\n if (sb.updating) {\n this._needsEos = true;\n return;\n }\n }\n\n logger.log('all media data are available, signal endOfStream() to MediaSource and stop loading fragment');\n // Notify the media element that it now has all of the media data\n try {\n mediaSource.endOfStream();\n } catch (e) {\n logger.warn('exception while calling mediaSource.endOfStream()');\n }\n this._needsEos = false;\n }\n\n onBufferFlushing (data: { startOffset: number, endOffset: number, type?: SourceBufferName }) {\n if (data.type) {\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: data.type });\n } else {\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: 'video' });\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: 'audio' });\n }\n\n // attempt flush immediately\n this.flushBufferCounter = 0;\n this.doFlush();\n }\n\n flushLiveBackBuffer () {\n // clear back buffer for live only\n if (!this._live) {\n return;\n }\n\n const liveBackBufferLength = this.config.liveBackBufferLength;\n if (!isFinite(liveBackBufferLength) || liveBackBufferLength < 0) {\n return;\n }\n\n if (!this.media) {\n logger.error('flushLiveBackBuffer called without attaching media');\n return;\n }\n\n const currentTime = this.media.currentTime;\n const sourceBuffer = this.sourceBuffer;\n const bufferTypes = Object.keys(sourceBuffer);\n const targetBackBufferPosition = currentTime - Math.max(liveBackBufferLength, this._levelTargetDuration);\n\n for (let index = bufferTypes.length - 1; index >= 0; index--) {\n const bufferType = bufferTypes[index];\n const sb = sourceBuffer[bufferType as SourceBufferName];\n if (sb) {\n const buffered = sb.buffered;\n // when target buffer start exceeds actual buffer start\n if (buffered.length > 0 && targetBackBufferPosition > buffered.start(0)) {\n // remove buffer up until current time minus minimum back buffer length (removing buffer too close to current\n // time will lead to playback freezing)\n // credits for level target duration - https://github.com/videojs/http-streaming/blob/3132933b6aa99ddefab29c10447624efd6fd6e52/src/segment-loader.js#L91\n if (this.removeBufferRange(bufferType, sb, 0, targetBackBufferPosition)) {\n this.hls.trigger(Events.LIVE_BACK_BUFFER_REACHED, { bufferEnd: targetBackBufferPosition });\n }\n\n }\n }\n }\n }\n\n onLevelUpdated ({ details }: { details: { totalduration: number, targetduration?: number, averagetargetduration?: number, live: boolean, fragments: any[] } }) {\n if (details.fragments.length > 0) {\n this._levelDuration = details.totalduration + details.fragments[0].start;\n this._levelTargetDuration = details.averagetargetduration || details.targetduration || 10;\n this._live = details.live;\n this.updateMediaElementDuration();\n }\n }\n\n /**\n * Update Media Source duration to current level duration or override to Infinity if configuration parameter\n * 'liveDurationInfinity` is set to `true`\n * More details: https://github.com/video-dev/hls.js/issues/355\n */\n updateMediaElementDuration () {\n let { config } = this;\n let duration: number;\n\n if (this._levelDuration === null ||\n !this.media ||\n !this.mediaSource ||\n !this.sourceBuffer ||\n this.media.readyState === 0 ||\n this.mediaSource.readyState !== 'open') {\n return;\n }\n\n for (let type in this.sourceBuffer) {\n const sb = this.sourceBuffer[type];\n if (sb && sb.updating === true) {\n // can't set duration whilst a buffer is updating\n return;\n }\n }\n\n duration = this.media.duration;\n // initialise to the value that the media source is reporting\n if (this._msDuration === null) {\n this._msDuration = this.mediaSource.duration;\n }\n\n if (this._live === true && config.liveDurationInfinity === true) {\n // Override duration to Infinity\n logger.log('Media Source duration is set to Infinity');\n this._msDuration = this.mediaSource.duration = Infinity;\n } else if ((this._levelDuration > this._msDuration && this._levelDuration > duration) || !Number.isFinite(duration)) {\n // levelDuration was the last value we set.\n // not using mediaSource.duration as the browser may tweak this value\n // only update Media Source duration if its value increase, this is to avoid\n // flushing already buffered portion when switching between quality level\n logger.log(`Updating Media Source duration to ${this._levelDuration.toFixed(3)}`);\n this._msDuration = this.mediaSource.duration = this._levelDuration;\n }\n }\n\n doFlush () {\n // loop through all buffer ranges to flush\n while (this.flushRange.length) {\n let range = this.flushRange[0];\n // flushBuffer will abort any buffer append in progress and flush Audio/Video Buffer\n if (this.flushBuffer(range.start, range.end, range.type)) {\n // range flushed, remove from flush array\n this.flushRange.shift();\n this.flushBufferCounter = 0;\n } else {\n this._needsFlush = true;\n // avoid looping, wait for SB update end to retrigger a flush\n return;\n }\n }\n if (this.flushRange.length === 0) {\n // everything flushed\n this._needsFlush = false;\n\n // let's recompute this.appended, which is used to avoid flush looping\n let appended = 0;\n let sourceBuffer = this.sourceBuffer;\n try {\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type];\n if (sb) {\n appended += sb.buffered.length;\n }\n }\n } catch (error) {\n // error could be thrown while accessing buffered, in case sourcebuffer has already been removed from MediaSource\n // this is harmess at this stage, catch this to avoid reporting an internal exception\n logger.error('error while accessing sourceBuffer.buffered');\n }\n this.appended = appended;\n this.hls.trigger(Events.BUFFER_FLUSHED);\n }\n }\n\n doAppending () {\n let { config, hls, segments, sourceBuffer } = this;\n if (!Object.keys(sourceBuffer).length) {\n // early exit if no source buffers have been initialized yet\n return;\n }\n\n if (!this.media || this.media.error) {\n this.segments = [];\n logger.error('trying to append although a media error occured, flush segment and abort');\n return;\n }\n\n if (this.appending) {\n // logger.log(`sb appending in progress`);\n return;\n }\n\n const segment = segments.shift();\n if (!segment) { // handle undefined shift\n return;\n }\n\n try {\n const sb = sourceBuffer[segment.type];\n if (!sb) {\n // in case we don't have any source buffer matching with this segment type,\n // it means that Mediasource fails to create sourcebuffer\n // discard this segment, and trigger update end\n this._onSBUpdateEnd();\n return;\n }\n\n if (sb.updating) {\n // if we are still updating the source buffer from the last segment, place this back at the front of the queue\n segments.unshift(segment);\n return;\n }\n\n // reset sourceBuffer ended flag before appending segment\n sb.ended = false;\n // logger.log(`appending ${segment.content} ${type} SB, size:${segment.data.length}, ${segment.parent}`);\n this.parent = segment.parent;\n sb.appendBuffer(segment.data);\n this.appendError = 0;\n this.appended++;\n this.appending = true;\n } catch (err) {\n // in case any error occured while appending, put back segment in segments table\n logger.error(`error while trying to append buffer:${err.message}`);\n segments.unshift(segment);\n let event = { type: ErrorTypes.MEDIA_ERROR, parent: segment.parent, details: '', fatal: false };\n if (err.code === 22) {\n // QuotaExceededError: http://www.w3.org/TR/html5/infrastructure.html#quotaexceedederror\n // let's stop appending any segments, and report BUFFER_FULL_ERROR error\n this.segments = [];\n event.details = ErrorDetails.BUFFER_FULL_ERROR;\n } else {\n this.appendError++;\n event.details = ErrorDetails.BUFFER_APPEND_ERROR;\n /* with UHD content, we could get loop of quota exceeded error until\n browser is able to evict some data from sourcebuffer. retrying help recovering this\n */\n if (this.appendError > config.appendErrorMaxRetry) {\n logger.log(`fail ${config.appendErrorMaxRetry} times to append segment in sourceBuffer`);\n this.segments = [];\n event.fatal = true;\n }\n }\n hls.trigger(Events.ERROR, event);\n }\n }\n\n /*\n flush specified buffered range,\n return true once range has been flushed.\n as sourceBuffer.remove() is asynchronous, flushBuffer will be retriggered on sourceBuffer update end\n */\n flushBuffer (startOffset: number, endOffset: number, sbType: SourceBufferName): boolean {\n const sourceBuffer = this.sourceBuffer;\n // exit if no sourceBuffers are initialized\n if (!Object.keys(sourceBuffer).length) {\n return true;\n }\n\n let currentTime: string = 'null';\n if (this.media) {\n currentTime = this.media.currentTime.toFixed(3);\n }\n logger.log(`flushBuffer,pos/start/end: ${currentTime}/${startOffset}/${endOffset}`);\n\n // safeguard to avoid infinite looping : don't try to flush more than the nb of appended segments\n if (this.flushBufferCounter >= this.appended) {\n logger.warn('abort flushing too many retries');\n return true;\n }\n\n const sb = sourceBuffer[sbType];\n // we are going to flush buffer, mark source buffer as 'not ended'\n if (sb) {\n sb.ended = false;\n if (!sb.updating) {\n if (this.removeBufferRange(sbType, sb, startOffset, endOffset)) {\n this.flushBufferCounter++;\n return false;\n }\n } else {\n logger.warn('cannot flush, sb updating in progress');\n return false;\n }\n }\n\n logger.log('buffer flushed');\n // everything flushed !\n return true;\n }\n\n /**\n * Removes first buffered range from provided source buffer that lies within given start and end offsets.\n *\n * @param {string} type Type of the source buffer, logging purposes only.\n * @param {SourceBuffer} sb Target SourceBuffer instance.\n * @param {number} startOffset\n * @param {number} endOffset\n *\n * @returns {boolean} True when source buffer remove requested.\n */\n removeBufferRange (type: string, sb: ExtendedSourceBuffer, startOffset: number, endOffset: number): boolean {\n try {\n for (let i = 0; i < sb.buffered.length; i++) {\n let bufStart = sb.buffered.start(i);\n let bufEnd = sb.buffered.end(i);\n let removeStart = Math.max(bufStart, startOffset);\n let removeEnd = Math.min(bufEnd, endOffset);\n\n /* sometimes sourcebuffer.remove() does not flush\n the exact expected time range.\n to avoid rounding issues/infinite loop,\n only flush buffer range of length greater than 500ms.\n */\n if (Math.min(removeEnd, bufEnd) - removeStart > 0.5) {\n let currentTime: string = 'null';\n if (this.media) {\n currentTime = this.media.currentTime.toString();\n }\n\n logger.log(`sb remove ${type} [${removeStart},${removeEnd}], of [${bufStart},${bufEnd}], pos:${currentTime}`);\n sb.remove(removeStart, removeEnd);\n return true;\n }\n }\n } catch (error) {\n logger.warn('removeBufferRange failed', error);\n }\n\n return false;\n }\n}\n\nexport default BufferController;\n","/*\n * cap stream level to media size dimension controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\n\nclass CapLevelController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.FPS_DROP_LEVEL_CAPPING,\n Event.MEDIA_ATTACHING,\n Event.MANIFEST_PARSED,\n Event.BUFFER_CODECS,\n Event.MEDIA_DETACHING);\n\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n this.firstLevel = null;\n this.levels = [];\n this.media = null;\n this.restrictedLevels = [];\n this.timer = null;\n }\n\n destroy () {\n if (this.hls.config.capLevelToPlayerSize) {\n this.media = null;\n this.stopCapping();\n }\n }\n\n onFpsDropLevelCapping (data) {\n // Don't add a restricted level more than once\n if (CapLevelController.isLevelAllowed(data.droppedLevel, this.restrictedLevels)) {\n this.restrictedLevels.push(data.droppedLevel);\n }\n }\n\n onMediaAttaching (data) {\n this.media = data.media instanceof window.HTMLVideoElement ? data.media : null;\n }\n\n onManifestParsed (data) {\n const hls = this.hls;\n this.restrictedLevels = [];\n this.levels = data.levels;\n this.firstLevel = data.firstLevel;\n if (hls.config.capLevelToPlayerSize && data.video) {\n // Start capping immediately if the manifest has signaled video codecs\n this.startCapping();\n }\n }\n\n // Only activate capping when playing a video stream; otherwise, multi-bitrate audio-only streams will be restricted\n // to the first level\n onBufferCodecs (data) {\n const hls = this.hls;\n if (hls.config.capLevelToPlayerSize && data.video) {\n // If the manifest did not signal a video codec capping has been deferred until we're certain video is present\n this.startCapping();\n }\n }\n\n onLevelsUpdated (data) {\n this.levels = data.levels;\n }\n\n onMediaDetaching () {\n this.stopCapping();\n }\n\n detectPlayerSize () {\n if (this.media) {\n let levelsLength = this.levels ? this.levels.length : 0;\n if (levelsLength) {\n const hls = this.hls;\n hls.autoLevelCapping = this.getMaxLevel(levelsLength - 1);\n if (hls.autoLevelCapping > this.autoLevelCapping) {\n // if auto level capping has a higher value for the previous one, flush the buffer using nextLevelSwitch\n // usually happen when the user go to the fullscreen mode.\n hls.streamController.nextLevelSwitch();\n }\n this.autoLevelCapping = hls.autoLevelCapping;\n }\n }\n }\n\n /*\n * returns level should be the one with the dimensions equal or greater than the media (player) dimensions (so the video will be downscaled)\n */\n getMaxLevel (capLevelIndex) {\n if (!this.levels) {\n return -1;\n }\n\n const validLevels = this.levels.filter((level, index) =>\n CapLevelController.isLevelAllowed(index, this.restrictedLevels) && index <= capLevelIndex\n );\n\n return CapLevelController.getMaxLevelByMediaSize(validLevels, this.mediaWidth, this.mediaHeight);\n }\n\n startCapping () {\n if (this.timer) {\n // Don't reset capping if started twice; this can happen if the manifest signals a video codec\n return;\n }\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n this.hls.firstLevel = this.getMaxLevel(this.firstLevel);\n clearInterval(this.timer);\n this.timer = setInterval(this.detectPlayerSize.bind(this), 1000);\n this.detectPlayerSize();\n }\n\n stopCapping () {\n this.restrictedLevels = [];\n this.firstLevel = null;\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n if (this.timer) {\n this.timer = clearInterval(this.timer);\n this.timer = null;\n }\n }\n\n get mediaWidth () {\n let width;\n const media = this.media;\n if (media) {\n width = media.width || media.clientWidth || media.offsetWidth;\n width *= CapLevelController.contentScaleFactor;\n }\n return width;\n }\n\n get mediaHeight () {\n let height;\n const media = this.media;\n if (media) {\n height = media.height || media.clientHeight || media.offsetHeight;\n height *= CapLevelController.contentScaleFactor;\n }\n return height;\n }\n\n static get contentScaleFactor () {\n let pixelRatio = 1;\n try {\n pixelRatio = window.devicePixelRatio;\n } catch (e) {}\n return pixelRatio;\n }\n\n static isLevelAllowed (level, restrictedLevels = []) {\n return restrictedLevels.indexOf(level) === -1;\n }\n\n static getMaxLevelByMediaSize (levels, width, height) {\n if (!levels || (levels && !levels.length)) {\n return -1;\n }\n\n // Levels can have the same dimensions but differing bandwidths - since levels are ordered, we can look to the next\n // to determine whether we've chosen the greatest bandwidth for the media's dimensions\n const atGreatestBandiwdth = (curLevel, nextLevel) => {\n if (!nextLevel) {\n return true;\n }\n\n return curLevel.width !== nextLevel.width || curLevel.height !== nextLevel.height;\n };\n\n // If we run through the loop without breaking, the media's dimensions are greater than every level, so default to\n // the max level\n let maxLevelIndex = levels.length - 1;\n\n for (let i = 0; i < levels.length; i += 1) {\n const level = levels[i];\n if ((level.width >= width || level.height >= height) && atGreatestBandiwdth(level, levels[i + 1])) {\n maxLevelIndex = i;\n break;\n }\n }\n\n return maxLevelIndex;\n }\n}\n\nexport default CapLevelController;\n","/*\n * FPS Controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\n\nconst { performance } = window;\n\nclass FPSController extends EventHandler {\n constructor (hls) {\n super(hls, Event.MEDIA_ATTACHING);\n }\n\n destroy () {\n if (this.timer) {\n clearInterval(this.timer);\n }\n\n this.isVideoPlaybackQualityAvailable = false;\n }\n\n onMediaAttaching (data) {\n const config = this.hls.config;\n if (config.capLevelOnFPSDrop) {\n const video = this.video = data.media instanceof window.HTMLVideoElement ? data.media : null;\n if (typeof video.getVideoPlaybackQuality === 'function') {\n this.isVideoPlaybackQualityAvailable = true;\n }\n\n clearInterval(this.timer);\n this.timer = setInterval(this.checkFPSInterval.bind(this), config.fpsDroppedMonitoringPeriod);\n }\n }\n\n checkFPS (video, decodedFrames, droppedFrames) {\n let currentTime = performance.now();\n if (decodedFrames) {\n if (this.lastTime) {\n let currentPeriod = currentTime - this.lastTime,\n currentDropped = droppedFrames - this.lastDroppedFrames,\n currentDecoded = decodedFrames - this.lastDecodedFrames,\n droppedFPS = 1000 * currentDropped / currentPeriod,\n hls = this.hls;\n hls.trigger(Event.FPS_DROP, { currentDropped: currentDropped, currentDecoded: currentDecoded, totalDroppedFrames: droppedFrames });\n if (droppedFPS > 0) {\n // logger.log('checkFPS : droppedFPS/decodedFPS:' + droppedFPS/(1000 * currentDecoded / currentPeriod));\n if (currentDropped > hls.config.fpsDroppedMonitoringThreshold * currentDecoded) {\n let currentLevel = hls.currentLevel;\n logger.warn('drop FPS ratio greater than max allowed value for currentLevel: ' + currentLevel);\n if (currentLevel > 0 && (hls.autoLevelCapping === -1 || hls.autoLevelCapping >= currentLevel)) {\n currentLevel = currentLevel - 1;\n hls.trigger(Event.FPS_DROP_LEVEL_CAPPING, { level: currentLevel, droppedLevel: hls.currentLevel });\n hls.autoLevelCapping = currentLevel;\n hls.streamController.nextLevelSwitch();\n }\n }\n }\n }\n this.lastTime = currentTime;\n this.lastDroppedFrames = droppedFrames;\n this.lastDecodedFrames = decodedFrames;\n }\n }\n\n checkFPSInterval () {\n const video = this.video;\n if (video) {\n if (this.isVideoPlaybackQualityAvailable) {\n let videoPlaybackQuality = video.getVideoPlaybackQuality();\n this.checkFPS(video, videoPlaybackQuality.totalVideoFrames, videoPlaybackQuality.droppedVideoFrames);\n } else {\n this.checkFPS(video, video.webkitDecodedFrameCount, video.webkitDroppedFrameCount);\n }\n }\n }\n}\n\nexport default FPSController;\n","/**\n * XHR based logger\n*/\n\nimport { logger } from '../utils/logger';\n\nconst { performance, XMLHttpRequest } = window;\n\nclass XhrLoader {\n constructor (config) {\n if (config && config.xhrSetup) {\n this.xhrSetup = config.xhrSetup;\n }\n }\n\n destroy () {\n this.abort();\n this.loader = null;\n }\n\n abort () {\n let loader = this.loader;\n if (loader && loader.readyState !== 4) {\n this.stats.aborted = true;\n loader.abort();\n }\n\n window.clearTimeout(this.requestTimeout);\n this.requestTimeout = null;\n window.clearTimeout(this.retryTimeout);\n this.retryTimeout = null;\n }\n\n load (context, config, callbacks) {\n this.context = context;\n this.config = config;\n this.callbacks = callbacks;\n this.stats = { trequest: performance.now(), retry: 0 };\n this.retryDelay = config.retryDelay;\n this.loadInternal();\n }\n\n loadInternal () {\n let xhr, context = this.context;\n xhr = this.loader = new XMLHttpRequest();\n\n let stats = this.stats;\n stats.tfirst = 0;\n stats.loaded = 0;\n const xhrSetup = this.xhrSetup;\n\n try {\n if (xhrSetup) {\n try {\n xhrSetup(xhr, context.url);\n } catch (e) {\n // fix xhrSetup: (xhr, url) => {xhr.setRequestHeader(\"Content-Language\", \"test\");}\n // not working, as xhr.setRequestHeader expects xhr.readyState === OPEN\n xhr.open('GET', context.url, true);\n xhrSetup(xhr, context.url);\n }\n }\n if (!xhr.readyState) {\n xhr.open('GET', context.url, true);\n }\n } catch (e) {\n // IE11 throws an exception on xhr.open if attempting to access an HTTP resource over HTTPS\n this.callbacks.onError({ code: xhr.status, text: e.message }, context, xhr);\n return;\n }\n\n if (context.rangeEnd) {\n xhr.setRequestHeader('Range', 'bytes=' + context.rangeStart + '-' + (context.rangeEnd - 1));\n }\n\n xhr.onreadystatechange = this.readystatechange.bind(this);\n xhr.onprogress = this.loadprogress.bind(this);\n xhr.responseType = context.responseType;\n\n // setup timeout before we perform request\n this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), this.config.timeout);\n xhr.send();\n }\n\n readystatechange (event) {\n let xhr = event.currentTarget,\n readyState = xhr.readyState,\n stats = this.stats,\n context = this.context,\n config = this.config;\n\n // don't proceed if xhr has been aborted\n if (stats.aborted) {\n return;\n }\n\n // >= HEADERS_RECEIVED\n if (readyState >= 2) {\n // clear xhr timeout and rearm it if readyState less than 4\n window.clearTimeout(this.requestTimeout);\n if (stats.tfirst === 0) {\n stats.tfirst = Math.max(performance.now(), stats.trequest);\n }\n\n if (readyState === 4) {\n let status = xhr.status;\n // http status between 200 to 299 are all successful\n if (status >= 200 && status < 300) {\n stats.tload = Math.max(stats.tfirst, performance.now());\n let data, len;\n if (context.responseType === 'arraybuffer') {\n data = xhr.response;\n len = data.byteLength;\n } else {\n data = xhr.responseText;\n len = data.length;\n }\n stats.loaded = stats.total = len;\n let response = { url: xhr.responseURL, data: data };\n this.callbacks.onSuccess(response, stats, context, xhr);\n } else {\n // if max nb of retries reached or if http status between 400 and 499 (such error cannot be recovered, retrying is useless), return error\n if (stats.retry >= config.maxRetry) {\n logger.error(`${status} while loading ${context.url}`);\n this.callbacks.onError({ code: status, text: xhr.statusText }, context, xhr);\n } else {\n // retry\n logger.warn(`${status} while loading ${context.url}, retrying in ${this.retryDelay}...`);\n // aborts and resets internal state\n this.destroy();\n // schedule retry\n this.retryTimeout = window.setTimeout(this.loadInternal.bind(this), this.retryDelay);\n // set exponential backoff\n this.retryDelay = Math.min(2 * this.retryDelay, config.maxRetryDelay);\n stats.retry++;\n }\n }\n } else {\n // readyState >= 2 AND readyState !==4 (readyState = HEADERS_RECEIVED || LOADING) rearm timeout as xhr not finished yet\n this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), config.timeout);\n }\n }\n }\n\n loadtimeout () {\n logger.warn(`timeout while loading ${this.context.url}`);\n this.callbacks.onTimeout(this.stats, this.context, null);\n }\n\n loadprogress (event) {\n let xhr = event.currentTarget,\n stats = this.stats;\n\n stats.loaded = event.loaded;\n if (event.lengthComputable) {\n stats.total = event.total;\n }\n\n let onProgress = this.callbacks.onProgress;\n if (onProgress) {\n // third arg is to provide on progress data\n onProgress(stats, this.context, null, xhr);\n }\n }\n}\n\nexport default XhrLoader;\n","import Event from '../events';\nimport TaskLoop from '../task-loop';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\n/**\n * @class AudioTrackController\n * @implements {EventHandler}\n *\n * Handles main manifest and audio-track metadata loaded,\n * owns and exposes the selectable audio-tracks data-models.\n *\n * Exposes internal interface to select available audio-tracks.\n *\n * Handles errors on loading audio-track playlists. Manages fallback mechanism\n * with redundants tracks (group-IDs).\n *\n * Handles level-loading and group-ID switches for video (fallback on video levels),\n * and eventually adapts the audio-track group-ID to match.\n *\n * @fires AUDIO_TRACK_LOADING\n * @fires AUDIO_TRACK_SWITCHING\n * @fires AUDIO_TRACKS_UPDATED\n * @fires ERROR\n *\n */\nclass AudioTrackController extends TaskLoop {\n constructor (hls) {\n super(hls,\n Event.MANIFEST_LOADING,\n Event.MANIFEST_PARSED,\n Event.AUDIO_TRACK_LOADED,\n Event.AUDIO_TRACK_SWITCHED,\n Event.LEVEL_LOADED,\n Event.ERROR\n );\n\n /**\n * @private\n * Currently selected index in `tracks`\n * @member {number} trackId\n */\n this._trackId = -1;\n\n /**\n * @private\n * If should select tracks according to default track attribute\n * @member {boolean} _selectDefaultTrack\n */\n this._selectDefaultTrack = true;\n\n /**\n * @public\n * All tracks available\n * @member {AudioTrack[]}\n */\n this.tracks = [];\n\n /**\n * @public\n * List of blacklisted audio track IDs (that have caused failure)\n * @member {number[]}\n */\n this.trackIdBlacklist = Object.create(null);\n\n /**\n * @public\n * The currently running group ID for audio\n * (we grab this on manifest-parsed and new level-loaded)\n * @member {string}\n */\n this.audioGroupId = null;\n }\n\n /**\n * Reset audio tracks on new manifest loading.\n */\n onManifestLoading () {\n this.tracks = [];\n this._trackId = -1;\n this._selectDefaultTrack = true;\n }\n\n /**\n * Store tracks data from manifest parsed data.\n *\n * Trigger AUDIO_TRACKS_UPDATED event.\n *\n * @param {*} data\n */\n onManifestParsed (data) {\n const tracks = this.tracks = data.audioTracks || [];\n this.hls.trigger(Event.AUDIO_TRACKS_UPDATED, { audioTracks: tracks });\n\n this._selectAudioGroup(this.hls.nextLoadLevel);\n }\n\n /**\n * Store track details of loaded track in our data-model.\n *\n * Set-up metadata update interval task for live-mode streams.\n *\n * @param {*} data\n */\n onAudioTrackLoaded (data) {\n if (data.id >= this.tracks.length) {\n logger.warn('Invalid audio track id:', data.id);\n return;\n }\n\n logger.log(`audioTrack ${data.id} loaded`);\n\n this.tracks[data.id].details = data.details;\n\n // check if current playlist is a live playlist\n // and if we have already our reload interval setup\n if (data.details.live && !this.hasInterval()) {\n // if live playlist we will have to reload it periodically\n // set reload period to playlist target duration\n const updatePeriodMs = data.details.targetduration * 1000;\n this.setInterval(updatePeriodMs);\n }\n\n if (!data.details.live && this.hasInterval()) {\n // playlist is not live and timer is scheduled: cancel it\n this.clearInterval();\n }\n }\n\n /**\n * Update the internal group ID to any audio-track we may have set manually\n * or because of a failure-handling fallback.\n *\n * Quality-levels should update to that group ID in this case.\n *\n * @param {*} data\n */\n onAudioTrackSwitched (data) {\n const audioGroupId = this.tracks[data.id].groupId;\n if (audioGroupId && (this.audioGroupId !== audioGroupId)) {\n this.audioGroupId = audioGroupId;\n }\n }\n\n /**\n * When a level gets loaded, if it has redundant audioGroupIds (in the same ordinality as it's redundant URLs)\n * we are setting our audio-group ID internally to the one set, if it is different from the group ID currently set.\n *\n * If group-ID got update, we re-select the appropriate audio-track with this group-ID matching the currently\n * selected one (based on NAME property).\n *\n * @param {*} data\n */\n onLevelLoaded (data) {\n this._selectAudioGroup(data.level);\n }\n\n /**\n * Handle network errors loading audio track manifests\n * and also pausing on any netwok errors.\n *\n * @param {ErrorEventData} data\n */\n onError (data) {\n // Only handle network errors\n if (data.type !== ErrorTypes.NETWORK_ERROR) {\n return;\n }\n\n // If fatal network error, cancel update task\n if (data.fatal) {\n this.clearInterval();\n }\n\n // If not an audio-track loading error don't handle further\n if (data.details !== ErrorDetails.AUDIO_TRACK_LOAD_ERROR) {\n return;\n }\n\n logger.warn('Network failure on audio-track id:', data.context.id);\n this._handleLoadError();\n }\n\n /**\n * @type {AudioTrack[]} Audio-track list we own\n */\n get audioTracks () {\n return this.tracks;\n }\n\n /**\n * @type {number} Index into audio-tracks list of currently selected track.\n */\n get audioTrack () {\n return this._trackId;\n }\n\n /**\n * Select current track by index\n */\n set audioTrack (newId) {\n this._setAudioTrack(newId);\n // If audio track is selected from API then don't choose from the manifest default track\n this._selectDefaultTrack = false;\n }\n\n /**\n * @private\n * @param {number} newId\n */\n _setAudioTrack (newId) {\n // noop on same audio track id as already set\n if (this._trackId === newId && this.tracks[this._trackId].details) {\n logger.debug('Same id as current audio-track passed, and track details available -> no-op');\n return;\n }\n\n // check if level idx is valid\n if (newId < 0 || newId >= this.tracks.length) {\n logger.warn('Invalid id passed to audio-track controller');\n return;\n }\n\n const audioTrack = this.tracks[newId];\n\n logger.log(`Now switching to audio-track index ${newId}`);\n\n // stopping live reloading timer if any\n this.clearInterval();\n this._trackId = newId;\n\n const { url, type, id } = audioTrack;\n this.hls.trigger(Event.AUDIO_TRACK_SWITCHING, { id, type, url });\n this._loadTrackDetailsIfNeeded(audioTrack);\n }\n\n /**\n * @override\n */\n doTick () {\n this._updateTrack(this._trackId);\n }\n\n /**\n * @param levelId\n * @private\n */\n _selectAudioGroup (levelId) {\n const levelInfo = this.hls.levels[levelId];\n\n if (!levelInfo || !levelInfo.audioGroupIds) {\n return;\n }\n\n const audioGroupId = levelInfo.audioGroupIds[levelInfo.urlId];\n if (this.audioGroupId !== audioGroupId) {\n this.audioGroupId = audioGroupId;\n this._selectInitialAudioTrack();\n }\n }\n\n /**\n * Select initial track\n * @private\n */\n _selectInitialAudioTrack () {\n let tracks = this.tracks;\n if (!tracks.length) {\n return;\n }\n\n const currentAudioTrack = this.tracks[this._trackId];\n\n let name = null;\n if (currentAudioTrack) {\n name = currentAudioTrack.name;\n }\n\n // Pre-select default tracks if there are any\n if (this._selectDefaultTrack) {\n const defaultTracks = tracks.filter((track) => track.default);\n if (defaultTracks.length) {\n tracks = defaultTracks;\n } else {\n logger.warn('No default audio tracks defined');\n }\n }\n\n let trackFound = false;\n\n const traverseTracks = () => {\n // Select track with right group ID\n tracks.forEach((track) => {\n if (trackFound) {\n return;\n }\n // We need to match the (pre-)selected group ID\n // and the NAME of the current track.\n if ((!this.audioGroupId || track.groupId === this.audioGroupId) &&\n (!name || name === track.name)) {\n // If there was a previous track try to stay with the same `NAME`.\n // It should be unique across tracks of same group, and consistent through redundant track groups.\n this._setAudioTrack(track.id);\n trackFound = true;\n }\n });\n };\n\n traverseTracks();\n\n if (!trackFound) {\n name = null;\n traverseTracks();\n }\n\n if (!trackFound) {\n logger.error(`No track found for running audio group-ID: ${this.audioGroupId}`);\n\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.AUDIO_TRACK_LOAD_ERROR,\n fatal: true\n });\n }\n }\n\n /**\n * @private\n * @param {AudioTrack} audioTrack\n * @returns {boolean}\n */\n _needsTrackLoading (audioTrack) {\n const { details, url } = audioTrack;\n\n if (!details || details.live) {\n // check if we face an audio track embedded in main playlist (audio track without URI attribute)\n return !!url;\n }\n\n return false;\n }\n\n /**\n * @private\n * @param {AudioTrack} audioTrack\n */\n _loadTrackDetailsIfNeeded (audioTrack) {\n if (this._needsTrackLoading(audioTrack)) {\n const { url, id } = audioTrack;\n // track not retrieved yet, or live playlist we need to (re)load it\n logger.log(`loading audio-track playlist for id: ${id}`);\n this.hls.trigger(Event.AUDIO_TRACK_LOADING, { url, id });\n }\n }\n\n /**\n * @private\n * @param {number} newId\n */\n _updateTrack (newId) {\n // check if level idx is valid\n if (newId < 0 || newId >= this.tracks.length) {\n return;\n }\n\n // stopping live reloading timer if any\n this.clearInterval();\n this._trackId = newId;\n logger.log(`trying to update audio-track ${newId}`);\n const audioTrack = this.tracks[newId];\n this._loadTrackDetailsIfNeeded(audioTrack);\n }\n\n /**\n * @private\n */\n _handleLoadError () {\n // First, let's black list current track id\n this.trackIdBlacklist[this._trackId] = true;\n\n // Let's try to fall back on a functional audio-track with the same group ID\n const previousId = this._trackId;\n const { name, language, groupId } = this.tracks[previousId];\n\n logger.warn(`Loading failed on audio track id: ${previousId}, group-id: ${groupId}, name/language: \"${name}\" / \"${language}\"`);\n\n // Find a non-blacklisted track ID with the same NAME\n // At least a track that is not blacklisted, thus on another group-ID.\n let newId = previousId;\n for (let i = 0; i < this.tracks.length; i++) {\n if (this.trackIdBlacklist[i]) {\n continue;\n }\n const newTrack = this.tracks[i];\n if (newTrack.name === name) {\n newId = i;\n break;\n }\n }\n\n if (newId === previousId) {\n logger.warn(`No fallback audio-track found for name/language: \"${name}\" / \"${language}\"`);\n return;\n }\n\n logger.log('Attempting audio-track fallback id:', newId, 'group-id:', this.tracks[newId].groupId);\n\n this._setAudioTrack(newId);\n }\n}\n\nexport default AudioTrackController;\n","/*\n * Audio Stream Controller\n*/\n\nimport BinarySearch from '../utils/binary-search';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport Demuxer from '../demux/demuxer';\nimport Event from '../events';\nimport * as LevelHelper from './level-helper';\nimport TimeRanges from '../utils/time-ranges';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport { findFragWithCC } from '../utils/discontinuities';\nimport { FragmentState } from './fragment-tracker';\nimport Fragment, { ElementaryStreamTypes } from '../loader/fragment';\nimport BaseStreamController, { State } from './base-stream-controller';\nconst { performance } = window;\n\nconst TICK_INTERVAL = 100; // how often to tick in ms\n\nclass AudioStreamController extends BaseStreamController {\n constructor (hls, fragmentTracker) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.AUDIO_TRACKS_UPDATED,\n Event.AUDIO_TRACK_SWITCHING,\n Event.AUDIO_TRACK_LOADED,\n Event.KEY_LOADED,\n Event.FRAG_LOADED,\n Event.FRAG_PARSING_INIT_SEGMENT,\n Event.FRAG_PARSING_DATA,\n Event.FRAG_PARSED,\n Event.ERROR,\n Event.BUFFER_RESET,\n Event.BUFFER_CREATED,\n Event.BUFFER_APPENDED,\n Event.BUFFER_FLUSHED,\n Event.INIT_PTS_FOUND);\n this.fragmentTracker = fragmentTracker;\n this.config = hls.config;\n this.audioCodecSwap = false;\n this._state = State.STOPPED;\n this.initPTS = [];\n this.waitingFragment = null;\n this.videoTrackCC = null;\n }\n\n // Signal that video PTS was found\n onInitPtsFound (data) {\n let demuxerId = data.id, cc = data.frag.cc, initPTS = data.initPTS;\n if (demuxerId === 'main') {\n // Always update the new INIT PTS\n // Can change due level switch\n this.initPTS[cc] = initPTS;\n this.videoTrackCC = cc;\n logger.log(`InitPTS for cc: ${cc} found from video track: ${initPTS}`);\n\n // If we are waiting we need to demux/remux the waiting frag\n // With the new initPTS\n if (this.state === State.WAITING_INIT_PTS) {\n this.tick();\n }\n }\n }\n\n startLoad (startPosition) {\n if (this.tracks) {\n let lastCurrentTime = this.lastCurrentTime;\n this.stopLoad();\n this.setInterval(TICK_INTERVAL);\n this.fragLoadError = 0;\n if (lastCurrentTime > 0 && startPosition === -1) {\n logger.log(`audio:override startPosition with lastCurrentTime @${lastCurrentTime.toFixed(3)}`);\n this.state = State.IDLE;\n } else {\n this.lastCurrentTime = this.startPosition ? this.startPosition : startPosition;\n this.state = State.STARTING;\n }\n this.nextLoadPosition = this.startPosition = this.lastCurrentTime;\n this.tick();\n } else {\n this.startPosition = startPosition;\n this.state = State.STOPPED;\n }\n }\n\n set state (nextState) {\n if (this.state !== nextState) {\n const previousState = this.state;\n this._state = nextState;\n logger.log(`audio stream:${previousState}->${nextState}`);\n }\n }\n\n get state () {\n return this._state;\n }\n\n doTick () {\n let pos, track, trackDetails, hls = this.hls, config = hls.config;\n // logger.log('audioStream:' + this.state);\n switch (this.state) {\n case State.ERROR:\n // don't do anything in error state to avoid breaking further ...\n case State.PAUSED:\n // don't do anything in paused state either ...\n case State.BUFFER_FLUSHING:\n break;\n case State.STARTING:\n this.state = State.WAITING_TRACK;\n this.loadedmetadata = false;\n break;\n case State.IDLE:\n const tracks = this.tracks;\n // audio tracks not received => exit loop\n if (!tracks) {\n break;\n }\n\n // if video not attached AND\n // start fragment already requested OR start frag prefetch disable\n // exit loop\n // => if media not attached but start frag prefetch is enabled and start frag not requested yet, we will not exit loop\n if (!this.media &&\n (this.startFragRequested || !config.startFragPrefetch)) {\n break;\n }\n\n // determine next candidate fragment to be loaded, based on current position and\n // end of buffer position\n // if we have not yet loaded any fragment, start loading from start position\n if (this.loadedmetadata) {\n pos = this.media.currentTime;\n } else {\n pos = this.nextLoadPosition;\n if (pos === undefined) {\n break;\n }\n }\n let media = this.mediaBuffer ? this.mediaBuffer : this.media,\n videoBuffer = this.videoBuffer ? this.videoBuffer : this.media,\n bufferInfo = BufferHelper.bufferInfo(media, pos, config.maxBufferHole),\n mainBufferInfo = BufferHelper.bufferInfo(videoBuffer, pos, config.maxBufferHole),\n bufferLen = bufferInfo.len,\n bufferEnd = bufferInfo.end,\n fragPrevious = this.fragPrevious,\n // ensure we buffer at least config.maxBufferLength (default 30s) or config.maxMaxBufferLength (default: 600s)\n // whichever is smaller.\n // once we reach that threshold, don't buffer more than video (mainBufferInfo.len)\n maxConfigBuffer = Math.min(config.maxBufferLength, config.maxMaxBufferLength),\n maxBufLen = Math.max(maxConfigBuffer, mainBufferInfo.len),\n audioSwitch = this.audioSwitch,\n trackId = this.trackId;\n\n // if buffer length is less than maxBufLen try to load a new fragment\n if ((bufferLen < maxBufLen || audioSwitch) && trackId < tracks.length) {\n trackDetails = tracks[trackId].details;\n // if track info not retrieved yet, switch state and wait for track retrieval\n if (typeof trackDetails === 'undefined') {\n this.state = State.WAITING_TRACK;\n break;\n }\n\n if (!audioSwitch && this._streamEnded(bufferInfo, trackDetails)) {\n this.hls.trigger(Event.BUFFER_EOS, { type: 'audio' });\n this.state = State.ENDED;\n return;\n }\n\n // find fragment index, contiguous with end of buffer position\n let fragments = trackDetails.fragments,\n fragLen = fragments.length,\n start = fragments[0].start,\n end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration,\n frag;\n\n // When switching audio track, reload audio as close as possible to currentTime\n if (audioSwitch) {\n if (trackDetails.live && !trackDetails.PTSKnown) {\n logger.log('switching audiotrack, live stream, unknown PTS,load first fragment');\n bufferEnd = 0;\n } else {\n bufferEnd = pos;\n // if currentTime (pos) is less than alt audio playlist start time, it means that alt audio is ahead of currentTime\n if (trackDetails.PTSKnown && pos < start) {\n // if everything is buffered from pos to start or if audio buffer upfront, let's seek to start\n if (bufferInfo.end > start || bufferInfo.nextStart) {\n logger.log('alt audio track ahead of main track, seek to start of alt audio track');\n this.media.currentTime = start + 0.05;\n } else {\n return;\n }\n }\n }\n }\n if (trackDetails.initSegment && !trackDetails.initSegment.data) {\n frag = trackDetails.initSegment;\n } // eslint-disable-line brace-style\n // if bufferEnd before start of playlist, load first fragment\n else if (bufferEnd <= start) {\n frag = fragments[0];\n if (this.videoTrackCC !== null && frag.cc !== this.videoTrackCC) {\n // Ensure we find a fragment which matches the continuity of the video track\n frag = findFragWithCC(fragments, this.videoTrackCC);\n }\n if (trackDetails.live && frag.loadIdx && frag.loadIdx === this.fragLoadIdx) {\n // we just loaded this first fragment, and we are still lagging behind the start of the live playlist\n // let's force seek to start\n const nextBuffered = bufferInfo.nextStart ? bufferInfo.nextStart : start;\n logger.log(`no alt audio available @currentTime:${this.media.currentTime}, seeking @${nextBuffered + 0.05}`);\n this.media.currentTime = nextBuffered + 0.05;\n return;\n }\n } else {\n let foundFrag;\n let maxFragLookUpTolerance = config.maxFragLookUpTolerance;\n const fragNext = fragPrevious ? fragments[fragPrevious.sn - fragments[0].sn + 1] : undefined;\n let fragmentWithinToleranceTest = (candidate) => {\n // offset should be within fragment boundary - config.maxFragLookUpTolerance\n // this is to cope with situations like\n // bufferEnd = 9.991\n // frag[Ø] : [0,10]\n // frag[1] : [10,20]\n // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here\n // frag start frag start+duration\n // |-----------------------------|\n // <---> <--->\n // ...--------><-----------------------------><---------....\n // previous frag matching fragment next frag\n // return -1 return 0 return 1\n // logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`);\n // Set the lookup tolerance to be small enough to detect the current segment - ensures we don't skip over very small segments\n let candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration);\n if ((candidate.start + candidate.duration - candidateLookupTolerance) <= bufferEnd) {\n return 1;\n } else if (candidate.start - candidateLookupTolerance > bufferEnd && candidate.start) {\n // if maxFragLookUpTolerance will have negative value then don't return -1 for first element\n return -1;\n }\n\n return 0;\n };\n\n if (bufferEnd < end) {\n if (bufferEnd > end - maxFragLookUpTolerance) {\n maxFragLookUpTolerance = 0;\n }\n\n // Prefer the next fragment if it's within tolerance\n if (fragNext && !fragmentWithinToleranceTest(fragNext)) {\n foundFrag = fragNext;\n } else {\n foundFrag = BinarySearch.search(fragments, fragmentWithinToleranceTest);\n }\n } else {\n // reach end of playlist\n foundFrag = fragments[fragLen - 1];\n }\n if (foundFrag) {\n frag = foundFrag;\n start = foundFrag.start;\n // logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn);\n if (fragPrevious && frag.level === fragPrevious.level && frag.sn === fragPrevious.sn) {\n if (frag.sn < trackDetails.endSN) {\n frag = fragments[frag.sn + 1 - trackDetails.startSN];\n logger.log(`SN just loaded, load next one: ${frag.sn}`);\n } else {\n frag = null;\n }\n }\n }\n }\n if (frag) {\n // logger.log(' loading frag ' + i +',pos/bufEnd:' + pos.toFixed(3) + '/' + bufferEnd.toFixed(3));\n if (frag.encrypted) {\n logger.log(`Loading key for ${frag.sn} of [${trackDetails.startSN} ,${trackDetails.endSN}],track ${trackId}`);\n this.state = State.KEY_LOADING;\n hls.trigger(Event.KEY_LOADING, { frag: frag });\n } else {\n logger.log(`Loading ${frag.sn}, cc: ${frag.cc} of [${trackDetails.startSN} ,${trackDetails.endSN}],track ${trackId}, currentTime:${pos},bufferEnd:${bufferEnd.toFixed(3)}`);\n // only load if fragment is not loaded or if in audio switch\n // we force a frag loading in audio switch as fragment tracker might not have evicted previous frags in case of quick audio switch\n this.fragCurrent = frag;\n if (audioSwitch || this.fragmentTracker.getState(frag) === FragmentState.NOT_LOADED) {\n if (frag.sn !== 'initSegment') {\n this.startFragRequested = true;\n }\n if (Number.isFinite(frag.sn)) {\n this.nextLoadPosition = frag.start + frag.duration;\n }\n\n hls.trigger(Event.FRAG_LOADING, { frag });\n this.state = State.FRAG_LOADING;\n }\n }\n }\n }\n break;\n case State.WAITING_TRACK:\n track = this.tracks[this.trackId];\n // check if playlist is already loaded\n if (track && track.details) {\n this.state = State.IDLE;\n }\n\n break;\n case State.FRAG_LOADING_WAITING_RETRY:\n var now = performance.now();\n var retryDate = this.retryDate;\n media = this.media;\n var isSeeking = media && media.seeking;\n // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading\n if (!retryDate || (now >= retryDate) || isSeeking) {\n logger.log('audioStreamController: retryDate reached, switch back to IDLE state');\n this.state = State.IDLE;\n }\n break;\n case State.WAITING_INIT_PTS:\n const videoTrackCC = this.videoTrackCC;\n if (this.initPTS[videoTrackCC] === undefined) {\n break;\n }\n\n // Ensure we don't get stuck in the WAITING_INIT_PTS state if the waiting frag CC doesn't match any initPTS\n const waitingFrag = this.waitingFragment;\n if (waitingFrag) {\n const waitingFragCC = waitingFrag.frag.cc;\n if (videoTrackCC !== waitingFragCC) {\n track = this.tracks[this.trackId];\n if (track.details && track.details.live) {\n logger.warn(`Waiting fragment CC (${waitingFragCC}) does not match video track CC (${videoTrackCC})`);\n this.waitingFragment = null;\n this.state = State.IDLE;\n }\n } else {\n this.state = State.FRAG_LOADING;\n this.onFragLoaded(this.waitingFragment);\n this.waitingFragment = null;\n }\n } else {\n this.state = State.IDLE;\n }\n\n break;\n case State.STOPPED:\n case State.FRAG_LOADING:\n case State.PARSING:\n case State.PARSED:\n case State.ENDED:\n break;\n default:\n break;\n }\n }\n\n onMediaAttached (data) {\n let media = this.media = this.mediaBuffer = data.media;\n this.onvseeking = this.onMediaSeeking.bind(this);\n this.onvended = this.onMediaEnded.bind(this);\n media.addEventListener('seeking', this.onvseeking);\n media.addEventListener('ended', this.onvended);\n let config = this.config;\n if (this.tracks && config.autoStartLoad) {\n this.startLoad(config.startPosition);\n }\n }\n\n onMediaDetaching () {\n let media = this.media;\n if (media && media.ended) {\n logger.log('MSE detaching and video ended, reset startPosition');\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n // remove video listeners\n if (media) {\n media.removeEventListener('seeking', this.onvseeking);\n media.removeEventListener('ended', this.onvended);\n this.onvseeking = this.onvseeked = this.onvended = null;\n }\n this.media = this.mediaBuffer = this.videoBuffer = null;\n this.loadedmetadata = false;\n this.fragmentTracker.removeAllFragments();\n this.stopLoad();\n }\n\n onAudioTracksUpdated (data) {\n logger.log('audio tracks updated');\n this.tracks = data.audioTracks;\n }\n\n onAudioTrackSwitching (data) {\n // if any URL found on new audio track, it is an alternate audio track\n let altAudio = !!data.url;\n this.trackId = data.id;\n\n this.fragCurrent = null;\n this.state = State.PAUSED;\n this.waitingFragment = null;\n // destroy useless demuxer when switching audio to main\n if (!altAudio) {\n if (this.demuxer) {\n this.demuxer.destroy();\n this.demuxer = null;\n }\n } else {\n // switching to audio track, start timer if not already started\n this.setInterval(TICK_INTERVAL);\n }\n\n // should we switch tracks ?\n if (altAudio) {\n this.audioSwitch = true;\n // main audio track are handled by stream-controller, just do something if switching to alt audio track\n this.state = State.IDLE;\n }\n this.tick();\n }\n\n onAudioTrackLoaded (data) {\n let newDetails = data.details,\n trackId = data.id,\n track = this.tracks[trackId],\n duration = newDetails.totalduration,\n sliding = 0;\n\n logger.log(`track ${trackId} loaded [${newDetails.startSN},${newDetails.endSN}],duration:${duration}`);\n\n if (newDetails.live) {\n let curDetails = track.details;\n if (curDetails && newDetails.fragments.length > 0) {\n // we already have details for that level, merge them\n LevelHelper.mergeDetails(curDetails, newDetails);\n sliding = newDetails.fragments[0].start;\n // TODO\n // this.liveSyncPosition = this.computeLivePosition(sliding, curDetails);\n if (newDetails.PTSKnown) {\n logger.log(`live audio playlist sliding:${sliding.toFixed(3)}`);\n } else {\n logger.log('live audio playlist - outdated PTS, unknown sliding');\n }\n } else {\n newDetails.PTSKnown = false;\n logger.log('live audio playlist - first load, unknown sliding');\n }\n } else {\n newDetails.PTSKnown = false;\n }\n track.details = newDetails;\n\n // compute start position\n if (!this.startFragRequested) {\n // compute start position if set to -1. use it straight away if value is defined\n if (this.startPosition === -1) {\n // first, check if start time offset has been set in playlist, if yes, use this value\n let startTimeOffset = newDetails.startTimeOffset;\n if (Number.isFinite(startTimeOffset)) {\n logger.log(`start time offset found in playlist, adjust startPosition to ${startTimeOffset}`);\n this.startPosition = startTimeOffset;\n } else {\n if (newDetails.live) {\n this.startPosition = this.computeLivePosition(sliding, newDetails);\n logger.log(`compute startPosition for audio-track to ${this.startPosition}`);\n } else {\n this.startPosition = 0;\n }\n }\n }\n this.nextLoadPosition = this.startPosition;\n }\n // only switch batck to IDLE state if we were waiting for track to start downloading a new fragment\n if (this.state === State.WAITING_TRACK) {\n this.state = State.IDLE;\n }\n\n // trigger handler right now\n this.tick();\n }\n\n onKeyLoaded () {\n if (this.state === State.KEY_LOADING) {\n this.state = State.IDLE;\n this.tick();\n }\n }\n\n onFragLoaded (data) {\n let fragCurrent = this.fragCurrent,\n fragLoaded = data.frag;\n if (this.state === State.FRAG_LOADING &&\n fragCurrent &&\n fragLoaded.type === 'audio' &&\n fragLoaded.level === fragCurrent.level &&\n fragLoaded.sn === fragCurrent.sn) {\n let track = this.tracks[this.trackId],\n details = track.details,\n duration = details.totalduration,\n trackId = fragCurrent.level,\n sn = fragCurrent.sn,\n cc = fragCurrent.cc,\n audioCodec = this.config.defaultAudioCodec || track.audioCodec || 'mp4a.40.2',\n stats = this.stats = data.stats;\n if (sn === 'initSegment') {\n this.state = State.IDLE;\n\n stats.tparsed = stats.tbuffered = performance.now();\n details.initSegment.data = data.payload;\n this.hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'audio' });\n this.tick();\n } else {\n this.state = State.PARSING;\n // transmux the MPEG-TS data to ISO-BMFF segments\n this.appended = false;\n if (!this.demuxer) {\n this.demuxer = new Demuxer(this.hls, 'audio');\n }\n\n // Check if we have video initPTS\n // If not we need to wait for it\n let initPTS = this.initPTS[cc];\n let initSegmentData = details.initSegment ? details.initSegment.data : [];\n if (details.initSegment || initPTS !== undefined) {\n this.pendingBuffering = true;\n logger.log(`Demuxing ${sn} of [${details.startSN} ,${details.endSN}],track ${trackId}`);\n // time Offset is accurate if level PTS is known, or if playlist is not sliding (not live)\n let accurateTimeOffset = false; // details.PTSKnown || !details.live;\n this.demuxer.push(data.payload, initSegmentData, audioCodec, null, fragCurrent, duration, accurateTimeOffset, initPTS);\n } else {\n logger.log(`unknown video PTS for continuity counter ${cc}, waiting for video PTS before demuxing audio frag ${sn} of [${details.startSN} ,${details.endSN}],track ${trackId}`);\n this.waitingFragment = data;\n this.state = State.WAITING_INIT_PTS;\n }\n }\n }\n this.fragLoadError = 0;\n }\n\n onFragParsingInitSegment (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'audio' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n let tracks = data.tracks, track;\n\n // delete any video track found on audio demuxer\n if (tracks.video) {\n delete tracks.video;\n }\n\n // include levelCodec in audio and video tracks\n track = tracks.audio;\n if (track) {\n track.levelCodec = track.codec;\n track.id = data.id;\n this.hls.trigger(Event.BUFFER_CODECS, tracks);\n logger.log(`audio track:audio,container:${track.container},codecs[level/parsed]=[${track.levelCodec}/${track.codec}]`);\n let initSegment = track.initSegment;\n if (initSegment) {\n let appendObj = { type: 'audio', data: initSegment, parent: 'audio', content: 'initSegment' };\n if (this.audioSwitch) {\n this.pendingData = [appendObj];\n } else {\n this.appended = true;\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n this.hls.trigger(Event.BUFFER_APPENDING, appendObj);\n }\n }\n // trigger handler right now\n this.tick();\n }\n }\n }\n\n onFragParsingData (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'audio' &&\n data.type === 'audio' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n let trackId = this.trackId,\n track = this.tracks[trackId],\n hls = this.hls;\n\n if (!Number.isFinite(data.endPTS)) {\n data.endPTS = data.startPTS + fragCurrent.duration;\n data.endDTS = data.startDTS + fragCurrent.duration;\n }\n\n fragCurrent.addElementaryStream(ElementaryStreamTypes.AUDIO);\n\n logger.log(`parsed ${data.type},PTS:[${data.startPTS.toFixed(3)},${data.endPTS.toFixed(3)}],DTS:[${data.startDTS.toFixed(3)}/${data.endDTS.toFixed(3)}],nb:${data.nb}`);\n LevelHelper.updateFragPTSDTS(track.details, fragCurrent, data.startPTS, data.endPTS);\n\n let audioSwitch = this.audioSwitch, media = this.media, appendOnBufferFlush = false;\n // Only flush audio from old audio tracks when PTS is known on new audio track\n if (audioSwitch) {\n if (media && media.readyState) {\n let currentTime = media.currentTime;\n logger.log('switching audio track : currentTime:' + currentTime);\n if (currentTime >= data.startPTS) {\n logger.log('switching audio track : flushing all audio');\n this.state = State.BUFFER_FLUSHING;\n hls.trigger(Event.BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' });\n appendOnBufferFlush = true;\n // Lets announce that the initial audio track switch flush occur\n this.audioSwitch = false;\n hls.trigger(Event.AUDIO_TRACK_SWITCHED, { id: trackId });\n }\n } else {\n // Lets announce that the initial audio track switch flush occur\n this.audioSwitch = false;\n hls.trigger(Event.AUDIO_TRACK_SWITCHED, { id: trackId });\n }\n }\n\n let pendingData = this.pendingData;\n\n if (!pendingData) {\n logger.warn('Apparently attempt to enqueue media payload without codec initialization data upfront');\n hls.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: null, fatal: true });\n return;\n }\n\n if (!this.audioSwitch) {\n [data.data1, data.data2].forEach(buffer => {\n if (buffer && buffer.length) {\n pendingData.push({ type: data.type, data: buffer, parent: 'audio', content: 'data' });\n }\n });\n if (!appendOnBufferFlush && pendingData.length) {\n pendingData.forEach(appendObj => {\n // only append in PARSING state (rationale is that an appending error could happen synchronously on first segment appending)\n // in that case it is useless to append following segments\n if (this.state === State.PARSING) {\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n this.hls.trigger(Event.BUFFER_APPENDING, appendObj);\n }\n });\n this.pendingData = [];\n this.appended = true;\n }\n }\n // trigger handler right now\n this.tick();\n }\n }\n\n onFragParsed (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'audio' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n this.stats.tparsed = performance.now();\n this.state = State.PARSED;\n this._checkAppendedParsed();\n }\n }\n\n onBufferReset () {\n // reset reference to sourcebuffers\n this.mediaBuffer = this.videoBuffer = null;\n this.loadedmetadata = false;\n }\n\n onBufferCreated (data) {\n let audioTrack = data.tracks.audio;\n if (audioTrack) {\n this.mediaBuffer = audioTrack.buffer;\n this.loadedmetadata = true;\n }\n if (data.tracks.video) {\n this.videoBuffer = data.tracks.video.buffer;\n }\n }\n\n onBufferAppended (data) {\n if (data.parent === 'audio') {\n const state = this.state;\n if (state === State.PARSING || state === State.PARSED) {\n // check if all buffers have been appended\n this.pendingBuffering = (data.pending > 0);\n this._checkAppendedParsed();\n }\n }\n }\n\n _checkAppendedParsed () {\n // trigger handler right now\n if (this.state === State.PARSED && (!this.appended || !this.pendingBuffering)) {\n let frag = this.fragCurrent, stats = this.stats, hls = this.hls;\n if (frag) {\n this.fragPrevious = frag;\n stats.tbuffered = performance.now();\n hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: frag, id: 'audio' });\n let media = this.mediaBuffer ? this.mediaBuffer : this.media;\n if (media) {\n logger.log(`audio buffered : ${TimeRanges.toString(media.buffered)}`);\n }\n if (this.audioSwitch && this.appended) {\n this.audioSwitch = false;\n hls.trigger(Event.AUDIO_TRACK_SWITCHED, { id: this.trackId });\n }\n this.state = State.IDLE;\n }\n this.tick();\n }\n }\n\n onError (data) {\n let frag = data.frag;\n // don't handle frag error not related to audio fragment\n if (frag && frag.type !== 'audio') {\n return;\n }\n\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n const frag = data.frag;\n // don't handle frag error not related to audio fragment\n if (frag && frag.type !== 'audio') {\n break;\n }\n\n if (!data.fatal) {\n let loadError = this.fragLoadError;\n if (loadError) {\n loadError++;\n } else {\n loadError = 1;\n }\n\n const config = this.config;\n if (loadError <= config.fragLoadingMaxRetry) {\n this.fragLoadError = loadError;\n // exponential backoff capped to config.fragLoadingMaxRetryTimeout\n const delay = Math.min(Math.pow(2, loadError - 1) * config.fragLoadingRetryDelay, config.fragLoadingMaxRetryTimeout);\n logger.warn(`AudioStreamController: frag loading failed, retry in ${delay} ms`);\n this.retryDate = performance.now() + delay;\n // retry loading state\n this.state = State.FRAG_LOADING_WAITING_RETRY;\n } else {\n logger.error(`AudioStreamController: ${data.details} reaches max retry, redispatch as fatal ...`);\n // switch error to fatal\n data.fatal = true;\n this.state = State.ERROR;\n }\n }\n break;\n case ErrorDetails.AUDIO_TRACK_LOAD_ERROR:\n case ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n // when in ERROR state, don't switch back to IDLE state in case a non-fatal error is received\n if (this.state !== State.ERROR) {\n // if fatal error, stop processing, otherwise move to IDLE to retry loading\n this.state = data.fatal ? State.ERROR : State.IDLE;\n logger.warn(`AudioStreamController: ${data.details} while loading frag, now switching to ${this.state} state ...`);\n }\n break;\n case ErrorDetails.BUFFER_FULL_ERROR:\n // if in appending state\n if (data.parent === 'audio' && (this.state === State.PARSING || this.state === State.PARSED)) {\n const media = this.mediaBuffer,\n currentTime = this.media.currentTime,\n mediaBuffered = media && BufferHelper.isBuffered(media, currentTime) && BufferHelper.isBuffered(media, currentTime + 0.5);\n // reduce max buf len if current position is buffered\n if (mediaBuffered) {\n const config = this.config;\n if (config.maxMaxBufferLength >= config.maxBufferLength) {\n // reduce max buffer length as it might be too high. we do this to avoid loop flushing ...\n config.maxMaxBufferLength /= 2;\n logger.warn(`AudioStreamController: reduce max buffer length to ${config.maxMaxBufferLength}s`);\n }\n this.state = State.IDLE;\n } else {\n // current position is not buffered, but browser is still complaining about buffer full error\n // this happens on IE/Edge, refer to https://github.com/video-dev/hls.js/pull/708\n // in that case flush the whole audio buffer to recover\n logger.warn('AudioStreamController: buffer full error also media.currentTime is not buffered, flush audio buffer');\n this.fragCurrent = null;\n // flush everything\n this.state = State.BUFFER_FLUSHING;\n this.hls.trigger(Event.BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' });\n }\n }\n break;\n default:\n break;\n }\n }\n\n onBufferFlushed () {\n let pendingData = this.pendingData;\n if (pendingData && pendingData.length) {\n logger.log('AudioStreamController: appending pending audio data after buffer flushed');\n pendingData.forEach(appendObj => {\n this.hls.trigger(Event.BUFFER_APPENDING, appendObj);\n });\n this.appended = true;\n this.pendingData = [];\n this.state = State.PARSED;\n } else {\n // move to IDLE once flush complete. this should trigger new fragment loading\n this.state = State.IDLE;\n // reset reference to frag\n this.fragPrevious = null;\n this.tick();\n }\n }\n}\nexport default AudioStreamController;\n","/**\n * Copyright 2013 vtt.js Contributors\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nexport default (function () {\n if (typeof window !== 'undefined' && window.VTTCue) {\n return window.VTTCue;\n }\n\n let autoKeyword = 'auto';\n let directionSetting = {\n '': true,\n lr: true,\n rl: true\n };\n let alignSetting = {\n start: true,\n middle: true,\n end: true,\n left: true,\n right: true\n };\n\n function findDirectionSetting (value) {\n if (typeof value !== 'string') {\n return false;\n }\n\n let dir = directionSetting[value.toLowerCase()];\n return dir ? value.toLowerCase() : false;\n }\n\n function findAlignSetting (value) {\n if (typeof value !== 'string') {\n return false;\n }\n\n let align = alignSetting[value.toLowerCase()];\n return align ? value.toLowerCase() : false;\n }\n\n function extend (obj) {\n let i = 1;\n for (; i < arguments.length; i++) {\n let cobj = arguments[i];\n for (let p in cobj) {\n obj[p] = cobj[p];\n }\n }\n\n return obj;\n }\n\n function VTTCue (startTime, endTime, text) {\n let cue = this;\n let baseObj = {};\n\n baseObj.enumerable = true;\n\n /**\n * Shim implementation specific properties. These properties are not in\n * the spec.\n */\n\n // Lets us know when the VTTCue's data has changed in such a way that we need\n // to recompute its display state. This lets us compute its display state\n // lazily.\n cue.hasBeenReset = false;\n\n /**\n * VTTCue and TextTrackCue properties\n * http://dev.w3.org/html5/webvtt/#vttcue-interface\n */\n\n let _id = '';\n let _pauseOnExit = false;\n let _startTime = startTime;\n let _endTime = endTime;\n let _text = text;\n let _region = null;\n let _vertical = '';\n let _snapToLines = true;\n let _line = 'auto';\n let _lineAlign = 'start';\n let _position = 50;\n let _positionAlign = 'middle';\n let _size = 50;\n let _align = 'middle';\n\n Object.defineProperty(cue, 'id', extend({}, baseObj, {\n get: function () {\n return _id;\n },\n set: function (value) {\n _id = '' + value;\n }\n }));\n\n Object.defineProperty(cue, 'pauseOnExit', extend({}, baseObj, {\n get: function () {\n return _pauseOnExit;\n },\n set: function (value) {\n _pauseOnExit = !!value;\n }\n }));\n\n Object.defineProperty(cue, 'startTime', extend({}, baseObj, {\n get: function () {\n return _startTime;\n },\n set: function (value) {\n if (typeof value !== 'number') {\n throw new TypeError('Start time must be set to a number.');\n }\n\n _startTime = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'endTime', extend({}, baseObj, {\n get: function () {\n return _endTime;\n },\n set: function (value) {\n if (typeof value !== 'number') {\n throw new TypeError('End time must be set to a number.');\n }\n\n _endTime = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'text', extend({}, baseObj, {\n get: function () {\n return _text;\n },\n set: function (value) {\n _text = '' + value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'region', extend({}, baseObj, {\n get: function () {\n return _region;\n },\n set: function (value) {\n _region = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'vertical', extend({}, baseObj, {\n get: function () {\n return _vertical;\n },\n set: function (value) {\n let setting = findDirectionSetting(value);\n // Have to check for false because the setting an be an empty string.\n if (setting === false) {\n throw new SyntaxError('An invalid or illegal string was specified.');\n }\n\n _vertical = setting;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'snapToLines', extend({}, baseObj, {\n get: function () {\n return _snapToLines;\n },\n set: function (value) {\n _snapToLines = !!value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'line', extend({}, baseObj, {\n get: function () {\n return _line;\n },\n set: function (value) {\n if (typeof value !== 'number' && value !== autoKeyword) {\n throw new SyntaxError('An invalid number or illegal string was specified.');\n }\n\n _line = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'lineAlign', extend({}, baseObj, {\n get: function () {\n return _lineAlign;\n },\n set: function (value) {\n let setting = findAlignSetting(value);\n if (!setting) {\n throw new SyntaxError('An invalid or illegal string was specified.');\n }\n\n _lineAlign = setting;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'position', extend({}, baseObj, {\n get: function () {\n return _position;\n },\n set: function (value) {\n if (value < 0 || value > 100) {\n throw new Error('Position must be between 0 and 100.');\n }\n\n _position = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'positionAlign', extend({}, baseObj, {\n get: function () {\n return _positionAlign;\n },\n set: function (value) {\n let setting = findAlignSetting(value);\n if (!setting) {\n throw new SyntaxError('An invalid or illegal string was specified.');\n }\n\n _positionAlign = setting;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'size', extend({}, baseObj, {\n get: function () {\n return _size;\n },\n set: function (value) {\n if (value < 0 || value > 100) {\n throw new Error('Size must be between 0 and 100.');\n }\n\n _size = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'align', extend({}, baseObj, {\n get: function () {\n return _align;\n },\n set: function (value) {\n let setting = findAlignSetting(value);\n if (!setting) {\n throw new SyntaxError('An invalid or illegal string was specified.');\n }\n\n _align = setting;\n this.hasBeenReset = true;\n }\n }));\n\n /**\n * Other <track> spec defined properties\n */\n\n // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#text-track-cue-display-state\n cue.displayState = void 0;\n }\n\n /**\n * VTTCue methods\n */\n\n VTTCue.prototype.getCueAsHTML = function () {\n // Assume WebVTT.convertCueToDOMTree is on the global.\n let WebVTT = window.WebVTT;\n return WebVTT.convertCueToDOMTree(window, this.text);\n };\n\n return VTTCue;\n})();\n","/*\n * Source: https://github.com/mozilla/vtt.js/blob/master/dist/vtt.js#L1716\n */\n\nimport VTTCue from './vttcue';\n\nconst StringDecoder = function StringDecoder () {\n return {\n decode: function (data) {\n if (!data) {\n return '';\n }\n\n if (typeof data !== 'string') {\n throw new Error('Error - expected string data.');\n }\n\n return decodeURIComponent(encodeURIComponent(data));\n }\n };\n};\n\nfunction VTTParser () {\n this.window = window;\n this.state = 'INITIAL';\n this.buffer = '';\n this.decoder = new StringDecoder();\n this.regionList = [];\n}\n\n// Try to parse input as a time stamp.\nfunction parseTimeStamp (input) {\n function computeSeconds (h, m, s, f) {\n return (h | 0) * 3600 + (m | 0) * 60 + (s | 0) + (f | 0) / 1000;\n }\n\n let m = input.match(/^(\\d+):(\\d{2})(:\\d{2})?\\.(\\d{3})/);\n if (!m) {\n return null;\n }\n\n if (m[3]) {\n // Timestamp takes the form of [hours]:[minutes]:[seconds].[milliseconds]\n return computeSeconds(m[1], m[2], m[3].replace(':', ''), m[4]);\n } else if (m[1] > 59) {\n // Timestamp takes the form of [hours]:[minutes].[milliseconds]\n // First position is hours as it's over 59.\n return computeSeconds(m[1], m[2], 0, m[4]);\n } else {\n // Timestamp takes the form of [minutes]:[seconds].[milliseconds]\n return computeSeconds(0, m[1], m[2], m[4]);\n }\n}\n\n// A settings object holds key/value pairs and will ignore anything but the first\n// assignment to a specific key.\nfunction Settings () {\n this.values = Object.create(null);\n}\n\nSettings.prototype = {\n // Only accept the first assignment to any key.\n set: function (k, v) {\n if (!this.get(k) && v !== '') {\n this.values[k] = v;\n }\n },\n // Return the value for a key, or a default value.\n // If 'defaultKey' is passed then 'dflt' is assumed to be an object with\n // a number of possible default values as properties where 'defaultKey' is\n // the key of the property that will be chosen; otherwise it's assumed to be\n // a single value.\n get: function (k, dflt, defaultKey) {\n if (defaultKey) {\n return this.has(k) ? this.values[k] : dflt[defaultKey];\n }\n\n return this.has(k) ? this.values[k] : dflt;\n },\n // Check whether we have a value for a key.\n has: function (k) {\n return k in this.values;\n },\n // Accept a setting if its one of the given alternatives.\n alt: function (k, v, a) {\n for (let n = 0; n < a.length; ++n) {\n if (v === a[n]) {\n this.set(k, v);\n break;\n }\n }\n },\n // Accept a setting if its a valid (signed) integer.\n integer: function (k, v) {\n if (/^-?\\d+$/.test(v)) { // integer\n this.set(k, parseInt(v, 10));\n }\n },\n // Accept a setting if its a valid percentage.\n percent: function (k, v) {\n let m;\n if ((m = v.match(/^([\\d]{1,3})(\\.[\\d]*)?%$/))) {\n v = parseFloat(v);\n if (v >= 0 && v <= 100) {\n this.set(k, v);\n return true;\n }\n }\n return false;\n }\n};\n\n// Helper function to parse input into groups separated by 'groupDelim', and\n// interprete each group as a key/value pair separated by 'keyValueDelim'.\nfunction parseOptions (input, callback, keyValueDelim, groupDelim) {\n let groups = groupDelim ? input.split(groupDelim) : [input];\n for (let i in groups) {\n if (typeof groups[i] !== 'string') {\n continue;\n }\n\n let kv = groups[i].split(keyValueDelim);\n if (kv.length !== 2) {\n continue;\n }\n\n let k = kv[0];\n let v = kv[1];\n callback(k, v);\n }\n}\n\nlet defaults = new VTTCue(0, 0, 0);\n// 'middle' was changed to 'center' in the spec: https://github.com/w3c/webvtt/pull/244\n// Safari doesn't yet support this change, but FF and Chrome do.\nlet center = defaults.align === 'middle' ? 'middle' : 'center';\n\nfunction parseCue (input, cue, regionList) {\n // Remember the original input if we need to throw an error.\n let oInput = input;\n // 4.1 WebVTT timestamp\n function consumeTimeStamp () {\n let ts = parseTimeStamp(input);\n if (ts === null) {\n throw new Error('Malformed timestamp: ' + oInput);\n }\n\n // Remove time stamp from input.\n input = input.replace(/^[^\\sa-zA-Z-]+/, '');\n return ts;\n }\n\n // 4.4.2 WebVTT cue settings\n function consumeCueSettings (input, cue) {\n let settings = new Settings();\n\n parseOptions(input, function (k, v) {\n switch (k) {\n case 'region':\n // Find the last region we parsed with the same region id.\n for (let i = regionList.length - 1; i >= 0; i--) {\n if (regionList[i].id === v) {\n settings.set(k, regionList[i].region);\n break;\n }\n }\n break;\n case 'vertical':\n settings.alt(k, v, ['rl', 'lr']);\n break;\n case 'line':\n var vals = v.split(','),\n vals0 = vals[0];\n settings.integer(k, vals0);\n if (settings.percent(k, vals0)) {\n settings.set('snapToLines', false);\n }\n\n settings.alt(k, vals0, ['auto']);\n if (vals.length === 2) {\n settings.alt('lineAlign', vals[1], ['start', center, 'end']);\n }\n\n break;\n case 'position':\n vals = v.split(',');\n settings.percent(k, vals[0]);\n if (vals.length === 2) {\n settings.alt('positionAlign', vals[1], ['start', center, 'end', 'line-left', 'line-right', 'auto']);\n }\n\n break;\n case 'size':\n settings.percent(k, v);\n break;\n case 'align':\n settings.alt(k, v, ['start', center, 'end', 'left', 'right']);\n break;\n }\n }, /:/, /\\s/);\n\n // Apply default values for any missing fields.\n cue.region = settings.get('region', null);\n cue.vertical = settings.get('vertical', '');\n let line = settings.get('line', 'auto');\n if (line === 'auto' && defaults.line === -1) {\n // set numeric line number for Safari\n line = -1;\n }\n cue.line = line;\n cue.lineAlign = settings.get('lineAlign', 'start');\n cue.snapToLines = settings.get('snapToLines', true);\n cue.size = settings.get('size', 100);\n cue.align = settings.get('align', center);\n let position = settings.get('position', 'auto');\n if (position === 'auto' && defaults.position === 50) {\n // set numeric position for Safari\n position = cue.align === 'start' || cue.align === 'left' ? 0 : cue.align === 'end' || cue.align === 'right' ? 100 : 50;\n }\n cue.position = position;\n }\n\n function skipWhitespace () {\n input = input.replace(/^\\s+/, '');\n }\n\n // 4.1 WebVTT cue timings.\n skipWhitespace();\n cue.startTime = consumeTimeStamp(); // (1) collect cue start time\n skipWhitespace();\n if (input.substr(0, 3) !== '-->') { // (3) next characters must match '-->'\n throw new Error('Malformed time stamp (time stamps must be separated by \\'-->\\'): ' +\n oInput);\n }\n input = input.substr(3);\n skipWhitespace();\n cue.endTime = consumeTimeStamp(); // (5) collect cue end time\n\n // 4.1 WebVTT cue settings list.\n skipWhitespace();\n consumeCueSettings(input, cue);\n}\n\nfunction fixLineBreaks (input) {\n return input.replace(/<br(?: \\/)?>/gi, '\\n');\n}\n\nVTTParser.prototype = {\n parse: function (data) {\n let self = this;\n\n // If there is no data then we won't decode it, but will just try to parse\n // whatever is in buffer already. This may occur in circumstances, for\n // example when flush() is called.\n if (data) {\n // Try to decode the data that we received.\n self.buffer += self.decoder.decode(data, { stream: true });\n }\n\n function collectNextLine () {\n let buffer = self.buffer;\n let pos = 0;\n\n buffer = fixLineBreaks(buffer);\n\n while (pos < buffer.length && buffer[pos] !== '\\r' && buffer[pos] !== '\\n') {\n ++pos;\n }\n\n let line = buffer.substr(0, pos);\n // Advance the buffer early in case we fail below.\n if (buffer[pos] === '\\r') {\n ++pos;\n }\n\n if (buffer[pos] === '\\n') {\n ++pos;\n }\n\n self.buffer = buffer.substr(pos);\n return line;\n }\n\n // 3.2 WebVTT metadata header syntax\n function parseHeader (input) {\n parseOptions(input, function (k, v) {\n switch (k) {\n case 'Region':\n // 3.3 WebVTT region metadata header syntax\n // console.log('parse region', v);\n // parseRegion(v);\n break;\n }\n }, /:/);\n }\n\n // 5.1 WebVTT file parsing.\n try {\n let line;\n if (self.state === 'INITIAL') {\n // We can't start parsing until we have the first line.\n if (!/\\r\\n|\\n/.test(self.buffer)) {\n return this;\n }\n\n line = collectNextLine();\n // strip of UTF-8 BOM if any\n // https://en.wikipedia.org/wiki/Byte_order_mark#UTF-8\n let m = line.match(/^()?WEBVTT([ \\t].*)?$/);\n if (!m || !m[0]) {\n throw new Error('Malformed WebVTT signature.');\n }\n\n self.state = 'HEADER';\n }\n\n let alreadyCollectedLine = false;\n while (self.buffer) {\n // We can't parse a line until we have the full line.\n if (!/\\r\\n|\\n/.test(self.buffer)) {\n return this;\n }\n\n if (!alreadyCollectedLine) {\n line = collectNextLine();\n } else {\n alreadyCollectedLine = false;\n }\n\n switch (self.state) {\n case 'HEADER':\n // 13-18 - Allow a header (metadata) under the WEBVTT line.\n if (/:/.test(line)) {\n parseHeader(line);\n } else if (!line) {\n // An empty line terminates the header and starts the body (cues).\n self.state = 'ID';\n }\n continue;\n case 'NOTE':\n // Ignore NOTE blocks.\n if (!line) {\n self.state = 'ID';\n }\n\n continue;\n case 'ID':\n // Check for the start of NOTE blocks.\n if (/^NOTE($|[ \\t])/.test(line)) {\n self.state = 'NOTE';\n break;\n }\n // 19-29 - Allow any number of line terminators, then initialize new cue values.\n if (!line) {\n continue;\n }\n\n self.cue = new VTTCue(0, 0, '');\n self.state = 'CUE';\n // 30-39 - Check if self line contains an optional identifier or timing data.\n if (line.indexOf('-->') === -1) {\n self.cue.id = line;\n continue;\n }\n // Process line as start of a cue.\n /* falls through */\n case 'CUE':\n // 40 - Collect cue timings and settings.\n try {\n parseCue(line, self.cue, self.regionList);\n } catch (e) {\n // In case of an error ignore rest of the cue.\n self.cue = null;\n self.state = 'BADCUE';\n continue;\n }\n self.state = 'CUETEXT';\n continue;\n case 'CUETEXT':\n var hasSubstring = line.indexOf('-->') !== -1;\n // 34 - If we have an empty line then report the cue.\n // 35 - If we have the special substring '-->' then report the cue,\n // but do not collect the line as we need to process the current\n // one as a new cue.\n if (!line || hasSubstring && (alreadyCollectedLine = true)) {\n // We are done parsing self cue.\n if (self.oncue) {\n self.oncue(self.cue);\n }\n\n self.cue = null;\n self.state = 'ID';\n continue;\n }\n if (self.cue.text) {\n self.cue.text += '\\n';\n }\n\n self.cue.text += line;\n continue;\n case 'BADCUE': // BADCUE\n // 54-62 - Collect and discard the remaining cue.\n if (!line) {\n self.state = 'ID';\n }\n\n continue;\n }\n }\n } catch (e) {\n // If we are currently parsing a cue, report what we have.\n if (self.state === 'CUETEXT' && self.cue && self.oncue) {\n self.oncue(self.cue);\n }\n\n self.cue = null;\n // Enter BADWEBVTT state if header was not parsed correctly otherwise\n // another exception occurred so enter BADCUE state.\n self.state = self.state === 'INITIAL' ? 'BADWEBVTT' : 'BADCUE';\n }\n return this;\n },\n flush: function () {\n let self = this;\n try {\n // Finish decoding the stream.\n self.buffer += self.decoder.decode();\n // Synthesize the end of the current cue or region.\n if (self.cue || self.state === 'HEADER') {\n self.buffer += '\\n\\n';\n self.parse();\n }\n // If we've flushed, parsed, and we're still on the INITIAL state then\n // that means we don't have enough of the stream to parse the first\n // line.\n if (self.state === 'INITIAL') {\n throw new Error('Malformed WebVTT signature.');\n }\n } catch (e) {\n throw e;\n }\n if (self.onflush) {\n self.onflush();\n }\n\n return this;\n }\n};\n\nexport { fixLineBreaks };\n\nexport default VTTParser;\n","import { fixLineBreaks } from './vttparser';\nimport { CaptionScreen, Row } from './cea-608-parser';\n\ninterface VTTCue extends TextTrackCue {\n new(start: number, end: number, cueText: string): VTTCue\n line: number\n align: string\n position: number\n}\n\nexport function newCue (track: TextTrack, startTime: number, endTime: number, captionScreen: CaptionScreen) {\n let row: Row;\n // the type data states this is VTTCue, but it can potentially be a TextTrackCue on old browsers\n let cue: VTTCue;\n let indenting: boolean;\n let indent: number;\n let text: string;\n let VTTCue: VTTCue = (window as any).VTTCue as VTTCue || TextTrackCue;\n\n for (let r = 0; r < captionScreen.rows.length; r++) {\n row = captionScreen.rows[r];\n indenting = true;\n indent = 0;\n text = '';\n\n if (!row.isEmpty()) {\n for (let c = 0; c < row.chars.length; c++) {\n if (row.chars[c].uchar.match(/\\s/) && indenting) {\n indent++;\n } else {\n text += row.chars[c].uchar;\n indenting = false;\n }\n }\n // To be used for cleaning-up orphaned roll-up captions\n row.cueStartTime = startTime;\n\n // Give a slight bump to the endTime if it's equal to startTime to avoid a SyntaxError in IE\n if (startTime === endTime) {\n endTime += 0.0001;\n }\n\n cue = new VTTCue(startTime, endTime, fixLineBreaks(text.trim()));\n\n if (indent >= 16) {\n indent--;\n } else {\n indent++;\n }\n\n // VTTCue.line get's flakey when using controls, so let's now include line 13&14\n // also, drop line 1 since it's to close to the top\n if (navigator.userAgent.match(/Firefox\\//)) {\n cue.line = r + 1;\n } else {\n cue.line = (r > 7 ? r - 2 : r + 1);\n }\n\n cue.align = 'left';\n // Clamp the position between 0 and 100 - if out of these bounds, Firefox throws an exception and captions break\n cue.position = Math.max(0, Math.min(100, 100 * (indent / 32)));\n track.addCue(cue);\n }\n }\n}\n","import OutputFilter from './output-filter';\n\n/**\n *\n * This code was ported from the dash.js project at:\n * https://github.com/Dash-Industry-Forum/dash.js/blob/development/externals/cea608-parser.js\n * https://github.com/Dash-Industry-Forum/dash.js/commit/8269b26a761e0853bb21d78780ed945144ecdd4d#diff-71bc295a2d6b6b7093a1d3290d53a4b2\n *\n * The original copyright appears below:\n *\n * The copyright in this software is being made available under the BSD License,\n * included below. This software may be subject to other third party and contributor\n * rights, including patent rights, and no such rights are granted under this license.\n *\n * Copyright (c) 2015-2016, DASH Industry Forum.\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification,\n * are permitted provided that the following conditions are met:\n * 1. Redistributions of source code must retain the above copyright notice, this\n * list of conditions and the following disclaimer.\n * * Redistributions in binary form must reproduce the above copyright notice,\n * this list of conditions and the following disclaimer in the documentation and/or\n * other materials provided with the distribution.\n * 2. Neither the name of Dash Industry Forum nor the names of its\n * contributors may be used to endorse or promote products derived from this software\n * without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY\n * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\n * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,\n * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\n * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\n * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n * POSSIBILITY OF SUCH DAMAGE.\n */\n/**\n * Exceptions from regular ASCII. CodePoints are mapped to UTF-16 codes\n */\n\nlet specialCea608CharsCodes = {\n 0x2a: 0xe1, // lowercase a, acute accent\n 0x5c: 0xe9, // lowercase e, acute accent\n 0x5e: 0xed, // lowercase i, acute accent\n 0x5f: 0xf3, // lowercase o, acute accent\n 0x60: 0xfa, // lowercase u, acute accent\n 0x7b: 0xe7, // lowercase c with cedilla\n 0x7c: 0xf7, // division symbol\n 0x7d: 0xd1, // uppercase N tilde\n 0x7e: 0xf1, // lowercase n tilde\n 0x7f: 0x2588, // Full block\n // THIS BLOCK INCLUDES THE 16 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS\n // THAT COME FROM HI BYTE=0x11 AND LOW BETWEEN 0x30 AND 0x3F\n // THIS MEANS THAT \\x50 MUST BE ADDED TO THE VALUES\n 0x80: 0xae, // Registered symbol (R)\n 0x81: 0xb0, // degree sign\n 0x82: 0xbd, // 1/2 symbol\n 0x83: 0xbf, // Inverted (open) question mark\n 0x84: 0x2122, // Trademark symbol (TM)\n 0x85: 0xa2, // Cents symbol\n 0x86: 0xa3, // Pounds sterling\n 0x87: 0x266a, // Music 8'th note\n 0x88: 0xe0, // lowercase a, grave accent\n 0x89: 0x20, // transparent space (regular)\n 0x8a: 0xe8, // lowercase e, grave accent\n 0x8b: 0xe2, // lowercase a, circumflex accent\n 0x8c: 0xea, // lowercase e, circumflex accent\n 0x8d: 0xee, // lowercase i, circumflex accent\n 0x8e: 0xf4, // lowercase o, circumflex accent\n 0x8f: 0xfb, // lowercase u, circumflex accent\n // THIS BLOCK INCLUDES THE 32 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS\n // THAT COME FROM HI BYTE=0x12 AND LOW BETWEEN 0x20 AND 0x3F\n 0x90: 0xc1, // capital letter A with acute\n 0x91: 0xc9, // capital letter E with acute\n 0x92: 0xd3, // capital letter O with acute\n 0x93: 0xda, // capital letter U with acute\n 0x94: 0xdc, // capital letter U with diaresis\n 0x95: 0xfc, // lowercase letter U with diaeresis\n 0x96: 0x2018, // opening single quote\n 0x97: 0xa1, // inverted exclamation mark\n 0x98: 0x2a, // asterisk\n 0x99: 0x2019, // closing single quote\n 0x9a: 0x2501, // box drawings heavy horizontal\n 0x9b: 0xa9, // copyright sign\n 0x9c: 0x2120, // Service mark\n 0x9d: 0x2022, // (round) bullet\n 0x9e: 0x201c, // Left double quotation mark\n 0x9f: 0x201d, // Right double quotation mark\n 0xa0: 0xc0, // uppercase A, grave accent\n 0xa1: 0xc2, // uppercase A, circumflex\n 0xa2: 0xc7, // uppercase C with cedilla\n 0xa3: 0xc8, // uppercase E, grave accent\n 0xa4: 0xca, // uppercase E, circumflex\n 0xa5: 0xcb, // capital letter E with diaresis\n 0xa6: 0xeb, // lowercase letter e with diaresis\n 0xa7: 0xce, // uppercase I, circumflex\n 0xa8: 0xcf, // uppercase I, with diaresis\n 0xa9: 0xef, // lowercase i, with diaresis\n 0xaa: 0xd4, // uppercase O, circumflex\n 0xab: 0xd9, // uppercase U, grave accent\n 0xac: 0xf9, // lowercase u, grave accent\n 0xad: 0xdb, // uppercase U, circumflex\n 0xae: 0xab, // left-pointing double angle quotation mark\n 0xaf: 0xbb, // right-pointing double angle quotation mark\n // THIS BLOCK INCLUDES THE 32 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS\n // THAT COME FROM HI BYTE=0x13 AND LOW BETWEEN 0x20 AND 0x3F\n 0xb0: 0xc3, // Uppercase A, tilde\n 0xb1: 0xe3, // Lowercase a, tilde\n 0xb2: 0xcd, // Uppercase I, acute accent\n 0xb3: 0xcc, // Uppercase I, grave accent\n 0xb4: 0xec, // Lowercase i, grave accent\n 0xb5: 0xd2, // Uppercase O, grave accent\n 0xb6: 0xf2, // Lowercase o, grave accent\n 0xb7: 0xd5, // Uppercase O, tilde\n 0xb8: 0xf5, // Lowercase o, tilde\n 0xb9: 0x7b, // Open curly brace\n 0xba: 0x7d, // Closing curly brace\n 0xbb: 0x5c, // Backslash\n 0xbc: 0x5e, // Caret\n 0xbd: 0x5f, // Underscore\n 0xbe: 0x7c, // Pipe (vertical line)\n 0xbf: 0x223c, // Tilde operator\n 0xc0: 0xc4, // Uppercase A, umlaut\n 0xc1: 0xe4, // Lowercase A, umlaut\n 0xc2: 0xd6, // Uppercase O, umlaut\n 0xc3: 0xf6, // Lowercase o, umlaut\n 0xc4: 0xdf, // Esszett (sharp S)\n 0xc5: 0xa5, // Yen symbol\n 0xc6: 0xa4, // Generic currency sign\n 0xc7: 0x2503, // Box drawings heavy vertical\n 0xc8: 0xc5, // Uppercase A, ring\n 0xc9: 0xe5, // Lowercase A, ring\n 0xca: 0xd8, // Uppercase O, stroke\n 0xcb: 0xf8, // Lowercase o, strok\n 0xcc: 0x250f, // Box drawings heavy down and right\n 0xcd: 0x2513, // Box drawings heavy down and left\n 0xce: 0x2517, // Box drawings heavy up and right\n 0xcf: 0x251b // Box drawings heavy up and left\n};\n\n/**\n * Utils\n */\nlet getCharForByte = function (byte: number) {\n let charCode = byte;\n if (specialCea608CharsCodes.hasOwnProperty(byte)) {\n charCode = specialCea608CharsCodes[byte];\n }\n\n return String.fromCharCode(charCode);\n};\n\nlet NR_ROWS = 15,\n NR_COLS = 100;\n// Tables to look up row from PAC data\nlet rowsLowCh1 = { 0x11: 1, 0x12: 3, 0x15: 5, 0x16: 7, 0x17: 9, 0x10: 11, 0x13: 12, 0x14: 14 };\nlet rowsHighCh1 = { 0x11: 2, 0x12: 4, 0x15: 6, 0x16: 8, 0x17: 10, 0x13: 13, 0x14: 15 };\nlet rowsLowCh2 = { 0x19: 1, 0x1A: 3, 0x1D: 5, 0x1E: 7, 0x1F: 9, 0x18: 11, 0x1B: 12, 0x1C: 14 };\nlet rowsHighCh2 = { 0x19: 2, 0x1A: 4, 0x1D: 6, 0x1E: 8, 0x1F: 10, 0x1B: 13, 0x1C: 15 };\n\nlet backgroundColors = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta', 'black', 'transparent'];\n\nenum VerboseFilter {\n ERROR = 0,\n TEXT = 1,\n WARNING = 2,\n INFO = 2,\n DEBUG = 3,\n DATA = 3,\n}\n\n/**\n * Simple logger class to be able to write with time-stamps and filter on level.\n */\nlet logger: {\n verboseFilter: {\n 'DATA': VerboseFilter.DATA;\n 'DEBUG': VerboseFilter.DEBUG;\n 'INFO': VerboseFilter.INFO;\n 'WARNING': VerboseFilter.WARNING;\n 'TEXT': VerboseFilter.TEXT;\n 'ERROR': VerboseFilter.ERROR;\n },\n time: number | null\n verboseLevel: VerboseFilter,\n setTime: (newTime: number | null) => void,\n log: (severity: keyof typeof VerboseFilter, msg: string) => void,\n} = {\n verboseFilter: { 'DATA': 3, 'DEBUG': 3, 'INFO': 2, 'WARNING': 2, 'TEXT': 1, 'ERROR': 0 },\n time: null,\n verboseLevel: 0, // Only write errors\n setTime: function (newTime) {\n this.time = newTime;\n },\n log: function (severity, msg) {\n let minLevel = this.verboseFilter[severity];\n if (this.verboseLevel >= minLevel) {\n // console.log(this.time + ' [' + severity + '] ' + msg);\n }\n }\n};\n\nlet numArrayToHexArray = function (numArray: number[]): string[] {\n let hexArray: string[] = [];\n for (let j = 0; j < numArray.length; j++) {\n hexArray.push(numArray[j].toString(16));\n }\n\n return hexArray;\n};\n\ntype PenStyles = {\n foreground: string | null,\n underline: boolean,\n italics: boolean,\n background: string,\n flash: boolean,\n};\n\nclass PenState {\n public foreground: string;\n public underline: boolean;\n public italics: boolean;\n public background: string;\n public flash: boolean;\n\n constructor (foreground?: string, underline?: boolean, italics?: boolean, background?: string, flash?: boolean) {\n this.foreground = foreground || 'white';\n this.underline = underline || false;\n this.italics = italics || false;\n this.background = background || 'black';\n this.flash = flash || false;\n }\n\n reset () {\n this.foreground = 'white';\n this.underline = false;\n this.italics = false;\n this.background = 'black';\n this.flash = false;\n }\n\n setStyles (styles: Partial<PenStyles>) {\n let attribs = ['foreground', 'underline', 'italics', 'background', 'flash'];\n for (let i = 0; i < attribs.length; i++) {\n let style = attribs[i];\n if (styles.hasOwnProperty(style)) {\n this[style] = styles[style];\n }\n }\n }\n\n isDefault () {\n return (this.foreground === 'white' && !this.underline && !this.italics &&\n this.background === 'black' && !this.flash);\n }\n\n equals (other: PenState) {\n return ((this.foreground === other.foreground) &&\n (this.underline === other.underline) &&\n (this.italics === other.italics) &&\n (this.background === other.background) &&\n (this.flash === other.flash));\n }\n\n copy (newPenState: PenState) {\n this.foreground = newPenState.foreground;\n this.underline = newPenState.underline;\n this.italics = newPenState.italics;\n this.background = newPenState.background;\n this.flash = newPenState.flash;\n }\n\n toString (): string {\n return ('color=' + this.foreground + ', underline=' + this.underline + ', italics=' + this.italics +\n ', background=' + this.background + ', flash=' + this.flash);\n }\n}\n\n/**\n * Unicode character with styling and background.\n * @constructor\n */\nclass StyledUnicodeChar {\n uchar: string;\n penState: PenState;\n constructor (uchar?: string, foreground?: string, underline?: boolean, italics?: boolean, background?: string, flash?: boolean) {\n this.uchar = uchar || ' '; // unicode character\n this.penState = new PenState(foreground, underline, italics, background, flash);\n }\n\n reset () {\n this.uchar = ' ';\n this.penState.reset();\n }\n\n setChar (uchar: string, newPenState: PenState) {\n this.uchar = uchar;\n this.penState.copy(newPenState);\n }\n\n setPenState (newPenState: PenState) {\n this.penState.copy(newPenState);\n }\n\n equals (other: StyledUnicodeChar) {\n return this.uchar === other.uchar && this.penState.equals(other.penState);\n }\n\n copy (newChar: StyledUnicodeChar) {\n this.uchar = newChar.uchar;\n this.penState.copy(newChar.penState);\n }\n\n isEmpty (): boolean {\n return this.uchar === ' ' && this.penState.isDefault();\n }\n}\n\n/**\n * CEA-608 row consisting of NR_COLS instances of StyledUnicodeChar.\n * @constructor\n */\nexport class Row {\n public chars: StyledUnicodeChar[];\n public pos: number;\n public currPenState: PenState;\n public cueStartTime?: number;\n constructor () {\n this.chars = [];\n for (let i = 0; i < NR_COLS; i++) {\n this.chars.push(new StyledUnicodeChar());\n }\n\n this.pos = 0;\n this.currPenState = new PenState();\n }\n\n equals (other: Row) {\n let equal = true;\n for (let i = 0; i < NR_COLS; i++) {\n if (!this.chars[i].equals(other.chars[i])) {\n equal = false;\n break;\n }\n }\n return equal;\n }\n\n copy (other: Row) {\n for (let i = 0; i < NR_COLS; i++) {\n this.chars[i].copy(other.chars[i]);\n }\n }\n\n isEmpty (): boolean {\n let empty = true;\n for (let i = 0; i < NR_COLS; i++) {\n if (!this.chars[i].isEmpty()) {\n empty = false;\n break;\n }\n }\n return empty;\n }\n\n /**\n * Set the cursor to a valid column.\n */\n setCursor (absPos: number) {\n if (this.pos !== absPos) {\n this.pos = absPos;\n }\n\n if (this.pos < 0) {\n logger.log('ERROR', 'Negative cursor position ' + this.pos);\n this.pos = 0;\n } else if (this.pos > NR_COLS) {\n logger.log('ERROR', 'Too large cursor position ' + this.pos);\n this.pos = NR_COLS;\n }\n }\n\n /**\n * Move the cursor relative to current position.\n */\n moveCursor (relPos: number) {\n let newPos = this.pos + relPos;\n if (relPos > 1) {\n for (let i = this.pos + 1; i < newPos + 1; i++) {\n this.chars[i].setPenState(this.currPenState);\n }\n }\n this.setCursor(newPos);\n }\n\n /**\n * Backspace, move one step back and clear character.\n */\n backSpace () {\n this.moveCursor(-1);\n this.chars[this.pos].setChar(' ', this.currPenState);\n }\n\n insertChar (byte: number) {\n if (byte >= 0x90) { // Extended char\n this.backSpace();\n }\n let char = getCharForByte(byte);\n if (this.pos >= NR_COLS) {\n logger.log('ERROR', 'Cannot insert ' + byte.toString(16) +\n ' (' + char + ') at position ' + this.pos + '. Skipping it!');\n return;\n }\n this.chars[this.pos].setChar(char, this.currPenState);\n this.moveCursor(1);\n }\n\n clearFromPos (startPos: number) {\n let i: number;\n for (i = startPos; i < NR_COLS; i++) {\n this.chars[i].reset();\n }\n }\n\n clear () {\n this.clearFromPos(0);\n this.pos = 0;\n this.currPenState.reset();\n }\n\n clearToEndOfRow () {\n this.clearFromPos(this.pos);\n }\n\n getTextString () {\n let chars: string[] = [];\n let empty = true;\n for (let i = 0; i < NR_COLS; i++) {\n let char = this.chars[i].uchar;\n if (char !== ' ') {\n empty = false;\n }\n\n chars.push(char);\n }\n if (empty) {\n return '';\n } else {\n return chars.join('');\n }\n }\n\n setPenStyles (styles: Partial<PenStyles>) {\n this.currPenState.setStyles(styles);\n let currChar = this.chars[this.pos];\n currChar.setPenState(this.currPenState);\n }\n}\n\n/**\n * Keep a CEA-608 screen of 32x15 styled characters\n * @constructor\n*/\nexport class CaptionScreen {\n rows: Row[];\n currRow: number;\n nrRollUpRows: number | null;\n lastOutputScreen: any;\n constructor () {\n this.rows = [];\n for (let i = 0; i < NR_ROWS; i++) {\n this.rows.push(new Row());\n } // Note that we use zero-based numbering (0-14)\n\n this.currRow = NR_ROWS - 1;\n this.nrRollUpRows = null;\n this.reset();\n }\n\n reset () {\n for (let i = 0; i < NR_ROWS; i++) {\n this.rows[i].clear();\n }\n\n this.currRow = NR_ROWS - 1;\n }\n\n equals (other: CaptionScreen): boolean {\n let equal = true;\n for (let i = 0; i < NR_ROWS; i++) {\n if (!this.rows[i].equals(other.rows[i])) {\n equal = false;\n break;\n }\n }\n return equal;\n }\n\n copy (other: CaptionScreen) {\n for (let i = 0; i < NR_ROWS; i++) {\n this.rows[i].copy(other.rows[i]);\n }\n }\n\n isEmpty (): boolean {\n let empty = true;\n for (let i = 0; i < NR_ROWS; i++) {\n if (!this.rows[i].isEmpty()) {\n empty = false;\n break;\n }\n }\n return empty;\n }\n\n backSpace () {\n let row = this.rows[this.currRow];\n row.backSpace();\n }\n\n clearToEndOfRow () {\n let row = this.rows[this.currRow];\n row.clearToEndOfRow();\n }\n\n /**\n * Insert a character (without styling) in the current row.\n */\n insertChar (char: number) {\n let row = this.rows[this.currRow];\n row.insertChar(char);\n }\n\n setPen (styles: Partial<PenStyles>) {\n let row = this.rows[this.currRow];\n row.setPenStyles(styles);\n }\n\n moveCursor (relPos: number) {\n let row = this.rows[this.currRow];\n row.moveCursor(relPos);\n }\n\n setCursor (absPos: number) {\n logger.log('INFO', 'setCursor: ' + absPos);\n let row = this.rows[this.currRow];\n row.setCursor(absPos);\n }\n\n setPAC (pacData: PACData) {\n logger.log('INFO', 'pacData = ' + JSON.stringify(pacData));\n let newRow = pacData.row - 1;\n if (this.nrRollUpRows && newRow < this.nrRollUpRows - 1) {\n newRow = this.nrRollUpRows - 1;\n }\n\n // Make sure this only affects Roll-up Captions by checking this.nrRollUpRows\n if (this.nrRollUpRows && this.currRow !== newRow) {\n // clear all rows first\n for (let i = 0; i < NR_ROWS; i++) {\n this.rows[i].clear();\n }\n\n // Copy this.nrRollUpRows rows from lastOutputScreen and place it in the newRow location\n // topRowIndex - the start of rows to copy (inclusive index)\n let topRowIndex = this.currRow + 1 - (this.nrRollUpRows);\n // We only copy if the last position was already shown.\n // We use the cueStartTime value to check this.\n const lastOutputScreen = this.lastOutputScreen as any;\n if (lastOutputScreen) {\n let prevLineTime = lastOutputScreen.rows[topRowIndex].cueStartTime;\n if (prevLineTime && logger.time && prevLineTime < logger.time) {\n for (let i = 0; i < this.nrRollUpRows; i++) {\n this.rows[newRow - this.nrRollUpRows + i + 1].copy(lastOutputScreen.rows[topRowIndex + i]);\n }\n }\n }\n }\n\n this.currRow = newRow;\n let row = this.rows[this.currRow];\n if (pacData.indent !== null) {\n let indent = pacData.indent;\n let prevPos = Math.max(indent - 1, 0);\n row.setCursor(pacData.indent);\n pacData.color = row.chars[prevPos].penState.foreground;\n }\n let styles: PenStyles = { foreground: pacData.color, underline: pacData.underline, italics: pacData.italics, background: 'black', flash: false };\n this.setPen(styles);\n }\n\n /**\n * Set background/extra foreground, but first do back_space, and then insert space (backwards compatibility).\n */\n setBkgData (bkgData: Partial<PenStyles>) {\n logger.log('INFO', 'bkgData = ' + JSON.stringify(bkgData));\n this.backSpace();\n this.setPen(bkgData);\n this.insertChar(0x20); // Space\n }\n\n setRollUpRows (nrRows: number | null) {\n this.nrRollUpRows = nrRows;\n }\n\n rollUp () {\n if (this.nrRollUpRows === null) {\n logger.log('DEBUG', 'roll_up but nrRollUpRows not set yet');\n return; // Not properly setup\n }\n logger.log('TEXT', this.getDisplayText());\n let topRowIndex = this.currRow + 1 - this.nrRollUpRows;\n let topRow = this.rows.splice(topRowIndex, 1)[0];\n topRow.clear();\n this.rows.splice(this.currRow, 0, topRow);\n logger.log('INFO', 'Rolling up');\n // logger.log('TEXT', this.get_display_text())\n }\n\n /**\n * Get all non-empty rows with as unicode text.\n */\n getDisplayText (asOneRow?: boolean) {\n asOneRow = asOneRow || false;\n let displayText: string[] = [];\n let text = '';\n let rowNr = -1;\n for (let i = 0; i < NR_ROWS; i++) {\n let rowText = this.rows[i].getTextString();\n if (rowText) {\n rowNr = i + 1;\n if (asOneRow) {\n displayText.push('Row ' + rowNr + ': \\'' + rowText + '\\'');\n } else {\n displayText.push(rowText.trim());\n }\n }\n }\n if (displayText.length > 0) {\n if (asOneRow) {\n text = '[' + displayText.join(' | ') + ']';\n } else {\n text = displayText.join('\\n');\n }\n }\n return text;\n }\n\n getTextAndFormat () {\n return this.rows;\n }\n}\n\n// var modes = ['MODE_ROLL-UP', 'MODE_POP-ON', 'MODE_PAINT-ON', 'MODE_TEXT'];\n\ntype CaptionModes = 'MODE_ROLL-UP' | 'MODE_POP-ON' | 'MODE_PAINT-ON' | 'MODE_TEXT' | null;\n\nclass Cea608Channel {\n chNr: number;\n outputFilter: OutputFilter;\n mode: CaptionModes;\n verbose: number;\n displayedMemory: CaptionScreen;\n nonDisplayedMemory: CaptionScreen;\n lastOutputScreen: CaptionScreen;\n currRollUpRow: Row;\n writeScreen: CaptionScreen;\n cueStartTime: number | null;\n lastCueEndTime: null;\n constructor (channelNumber: number, outputFilter: OutputFilter) {\n this.chNr = channelNumber;\n this.outputFilter = outputFilter;\n this.mode = null;\n this.verbose = 0;\n this.displayedMemory = new CaptionScreen();\n this.nonDisplayedMemory = new CaptionScreen();\n this.lastOutputScreen = new CaptionScreen();\n this.currRollUpRow = this.displayedMemory.rows[NR_ROWS - 1];\n this.writeScreen = this.displayedMemory;\n this.mode = null;\n this.cueStartTime = null; // Keeps track of where a cue started.\n }\n\n reset () {\n this.mode = null;\n this.displayedMemory.reset();\n this.nonDisplayedMemory.reset();\n this.lastOutputScreen.reset();\n this.currRollUpRow = this.displayedMemory.rows[NR_ROWS - 1];\n this.writeScreen = this.displayedMemory;\n this.mode = null;\n this.cueStartTime = null;\n }\n\n getHandler (): OutputFilter {\n return this.outputFilter;\n }\n\n setHandler (newHandler: OutputFilter) {\n this.outputFilter = newHandler;\n }\n\n setPAC (pacData: PACData) {\n this.writeScreen.setPAC(pacData);\n }\n\n setBkgData (bkgData: Partial<PenStyles>) {\n this.writeScreen.setBkgData(bkgData);\n }\n\n setMode (newMode: CaptionModes) {\n if (newMode === this.mode) {\n return;\n }\n\n this.mode = newMode;\n logger.log('INFO', 'MODE=' + newMode);\n if (this.mode === 'MODE_POP-ON') {\n this.writeScreen = this.nonDisplayedMemory;\n } else {\n this.writeScreen = this.displayedMemory;\n this.writeScreen.reset();\n }\n if (this.mode !== 'MODE_ROLL-UP') {\n this.displayedMemory.nrRollUpRows = null;\n this.nonDisplayedMemory.nrRollUpRows = null;\n }\n this.mode = newMode;\n }\n\n insertChars (chars: number[]) {\n for (let i = 0; i < chars.length; i++) {\n this.writeScreen.insertChar(chars[i]);\n }\n\n let screen = this.writeScreen === this.displayedMemory ? 'DISP' : 'NON_DISP';\n logger.log('INFO', screen + ': ' + this.writeScreen.getDisplayText(true));\n if (this.mode === 'MODE_PAINT-ON' || this.mode === 'MODE_ROLL-UP') {\n logger.log('TEXT', 'DISPLAYED: ' + this.displayedMemory.getDisplayText(true));\n this.outputDataUpdate();\n }\n }\n\n ccRCL () { // Resume Caption Loading (switch mode to Pop On)\n logger.log('INFO', 'RCL - Resume Caption Loading');\n this.setMode('MODE_POP-ON');\n }\n\n ccBS () { // BackSpace\n logger.log('INFO', 'BS - BackSpace');\n if (this.mode === 'MODE_TEXT') {\n return;\n }\n\n this.writeScreen.backSpace();\n if (this.writeScreen === this.displayedMemory) {\n this.outputDataUpdate();\n }\n }\n\n ccAOF () { // Reserved (formerly Alarm Off)\n\n }\n\n ccAON () { // Reserved (formerly Alarm On)\n\n }\n\n ccDER () { // Delete to End of Row\n logger.log('INFO', 'DER- Delete to End of Row');\n this.writeScreen.clearToEndOfRow();\n this.outputDataUpdate();\n }\n\n ccRU (nrRows: number | null) { // Roll-Up Captions-2,3,or 4 Rows\n logger.log('INFO', 'RU(' + nrRows + ') - Roll Up');\n this.writeScreen = this.displayedMemory;\n this.setMode('MODE_ROLL-UP');\n this.writeScreen.setRollUpRows(nrRows);\n }\n\n ccFON () { // Flash On\n logger.log('INFO', 'FON - Flash On');\n this.writeScreen.setPen({ flash: true });\n }\n\n ccRDC () { // Resume Direct Captioning (switch mode to PaintOn)\n logger.log('INFO', 'RDC - Resume Direct Captioning');\n this.setMode('MODE_PAINT-ON');\n }\n\n ccTR () { // Text Restart in text mode (not supported, however)\n logger.log('INFO', 'TR');\n this.setMode('MODE_TEXT');\n }\n\n ccRTD () { // Resume Text Display in Text mode (not supported, however)\n logger.log('INFO', 'RTD');\n this.setMode('MODE_TEXT');\n }\n\n ccEDM () { // Erase Displayed Memory\n logger.log('INFO', 'EDM - Erase Displayed Memory');\n this.displayedMemory.reset();\n this.outputDataUpdate(true);\n }\n\n ccCR () { // Carriage Return\n logger.log('INFO', 'CR - Carriage Return');\n this.writeScreen.rollUp();\n this.outputDataUpdate(true);\n }\n\n ccENM () { // Erase Non-Displayed Memory\n logger.log('INFO', 'ENM - Erase Non-displayed Memory');\n this.nonDisplayedMemory.reset();\n }\n\n ccEOC () { // End of Caption (Flip Memories)\n logger.log('INFO', 'EOC - End Of Caption');\n if (this.mode === 'MODE_POP-ON') {\n let tmp = this.displayedMemory;\n this.displayedMemory = this.nonDisplayedMemory;\n this.nonDisplayedMemory = tmp;\n this.writeScreen = this.nonDisplayedMemory;\n logger.log('TEXT', 'DISP: ' + this.displayedMemory.getDisplayText());\n }\n this.outputDataUpdate(true);\n }\n\n ccTO (nrCols: number) { // Tab Offset 1,2, or 3 columns\n logger.log('INFO', 'TO(' + nrCols + ') - Tab Offset');\n this.writeScreen.moveCursor(nrCols);\n }\n\n ccMIDROW (secondByte: number) { // Parse MIDROW command\n let styles: Partial<PenStyles> = { flash: false };\n styles.underline = secondByte % 2 === 1;\n styles.italics = secondByte >= 0x2e;\n if (!styles.italics) {\n let colorIndex = Math.floor(secondByte / 2) - 0x10;\n let colors = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta'];\n styles.foreground = colors[colorIndex];\n } else {\n styles.foreground = 'white';\n }\n logger.log('INFO', 'MIDROW: ' + JSON.stringify(styles));\n this.writeScreen.setPen(styles);\n }\n\n outputDataUpdate (dispatch = false) {\n let t = logger.time;\n if (t === null) {\n return;\n }\n\n if (this.outputFilter) {\n if (this.cueStartTime === null && !this.displayedMemory.isEmpty()) { // Start of a new cue\n this.cueStartTime = t;\n } else {\n if (!this.displayedMemory.equals(this.lastOutputScreen)) {\n this.outputFilter.newCue(this.cueStartTime!, t, this.lastOutputScreen);\n if (dispatch && this.outputFilter.dispatchCue) {\n this.outputFilter.dispatchCue();\n }\n\n this.cueStartTime = this.displayedMemory.isEmpty() ? null : t;\n }\n }\n this.lastOutputScreen.copy(this.displayedMemory);\n }\n }\n\n cueSplitAtTime (t: number) {\n if (this.outputFilter) {\n if (!this.displayedMemory.isEmpty()) {\n if (this.outputFilter.newCue) {\n this.outputFilter.newCue(this.cueStartTime!, t, this.displayedMemory);\n }\n\n this.cueStartTime = t;\n }\n }\n }\n}\n\ninterface PACData {\n row: number;\n indent: number | null;\n color: string | null;\n underline: boolean;\n italics: boolean;\n}\n\nclass Cea608Parser {\n field: number;\n outputs: OutputFilter[];\n channels: Cea608Channel[];\n currChNr: number;\n lastCmdA: number | null;\n lastCmdB: number | null;\n lastTime: number | null;\n dataCounters: { 'padding': number; 'char': number; 'cmd': number; 'other': number; };\n constructor (field: number, out1: OutputFilter, out2: OutputFilter) {\n this.field = field || 1;\n this.outputs = [out1, out2];\n this.channels = [new Cea608Channel(1, out1), new Cea608Channel(2, out2)];\n this.currChNr = -1; // Will be 1 or 2\n this.lastCmdA = null; // First byte of last command\n this.lastCmdB = null; // Second byte of last command\n this.lastTime = null;\n this.dataCounters = { 'padding': 0, 'char': 0, 'cmd': 0, 'other': 0 };\n }\n\n getHandler (index: number) {\n return this.channels[index].getHandler();\n }\n\n setHandler (index: number, newHandler: OutputFilter) {\n this.channels[index].setHandler(newHandler);\n }\n\n /**\n * Add data for time t in forms of list of bytes (unsigned ints). The bytes are treated as pairs.\n */\n addData (t: number | null, byteList: number[]) {\n let cmdFound: boolean, a: number, b: number,\n charsFound: number[] | boolean | null = false;\n\n this.lastTime = t;\n logger.setTime(t);\n\n for (let i = 0; i < byteList.length; i += 2) {\n a = byteList[i] & 0x7f;\n b = byteList[i + 1] & 0x7f;\n if (a === 0 && b === 0) {\n this.dataCounters.padding += 2;\n continue;\n } else {\n logger.log('DATA', '[' + numArrayToHexArray([byteList[i], byteList[i + 1]]) + '] -> (' + numArrayToHexArray([a, b]) + ')');\n }\n cmdFound = this.parseCmd(a, b);\n if (!cmdFound) {\n cmdFound = this.parseMidrow(a, b);\n }\n\n if (!cmdFound) {\n cmdFound = this.parsePAC(a, b);\n }\n\n if (!cmdFound) {\n cmdFound = this.parseBackgroundAttributes(a, b);\n }\n\n if (!cmdFound) {\n charsFound = this.parseChars(a, b);\n if (charsFound) {\n if (this.currChNr && this.currChNr >= 0) {\n let channel = this.channels[this.currChNr - 1];\n channel.insertChars(charsFound);\n } else {\n logger.log('WARNING', 'No channel found yet. TEXT-MODE?');\n }\n }\n }\n if (cmdFound) {\n this.dataCounters.cmd += 2;\n } else if (charsFound) {\n this.dataCounters.char += 2;\n } else {\n this.dataCounters.other += 2;\n logger.log('WARNING', 'Couldn\\'t parse cleaned data ' + numArrayToHexArray([a, b]) +\n ' orig: ' + numArrayToHexArray([byteList[i], byteList[i + 1]]));\n }\n }\n }\n\n /**\n * Parse Command.\n * @returns {Boolean} Tells if a command was found\n */\n parseCmd (a: number, b: number): boolean {\n let chNr: number | null = null;\n\n let cond1 = (a === 0x14 || a === 0x1C) && (b >= 0x20 && b <= 0x2F);\n let cond2 = (a === 0x17 || a === 0x1F) && (b >= 0x21 && b <= 0x23);\n if (!(cond1 || cond2)) {\n return false;\n }\n\n if (a === this.lastCmdA && b === this.lastCmdB) {\n this.lastCmdA = null;\n this.lastCmdB = null; // Repeated commands are dropped (once)\n logger.log('DEBUG', 'Repeated command (' + numArrayToHexArray([a, b]) + ') is dropped');\n return true;\n }\n\n if (a === 0x14 || a === 0x17) {\n chNr = 1;\n } else {\n chNr = 2;\n } // (a === 0x1C || a=== 0x1f)\n\n let channel = this.channels[chNr - 1];\n\n if (a === 0x14 || a === 0x1C) {\n if (b === 0x20) {\n channel.ccRCL();\n } else if (b === 0x21) {\n channel.ccBS();\n } else if (b === 0x22) {\n channel.ccAOF();\n } else if (b === 0x23) {\n channel.ccAON();\n } else if (b === 0x24) {\n channel.ccDER();\n } else if (b === 0x25) {\n channel.ccRU(2);\n } else if (b === 0x26) {\n channel.ccRU(3);\n } else if (b === 0x27) {\n channel.ccRU(4);\n } else if (b === 0x28) {\n channel.ccFON();\n } else if (b === 0x29) {\n channel.ccRDC();\n } else if (b === 0x2A) {\n channel.ccTR();\n } else if (b === 0x2B) {\n channel.ccRTD();\n } else if (b === 0x2C) {\n channel.ccEDM();\n } else if (b === 0x2D) {\n channel.ccCR();\n } else if (b === 0x2E) {\n channel.ccENM();\n } else if (b === 0x2F) {\n channel.ccEOC();\n }\n } else { // a == 0x17 || a == 0x1F\n channel.ccTO(b - 0x20);\n }\n this.lastCmdA = a;\n this.lastCmdB = b;\n this.currChNr = chNr;\n return true;\n }\n\n /**\n * Parse midrow styling command\n * @returns {Boolean}\n */\n parseMidrow (a: number, b: number): boolean {\n let chNr: number | null = null;\n\n if (((a === 0x11) || (a === 0x19)) && b >= 0x20 && b <= 0x2f) {\n if (a === 0x11) {\n chNr = 1;\n } else {\n chNr = 2;\n }\n\n if (chNr !== this.currChNr) {\n logger.log('ERROR', 'Mismatch channel in midrow parsing');\n return false;\n }\n let channel = this.channels[chNr - 1];\n channel.ccMIDROW(b);\n logger.log('DEBUG', 'MIDROW (' + numArrayToHexArray([a, b]) + ')');\n return true;\n }\n return false;\n }\n /**\n * Parse Preable Access Codes (Table 53).\n * @returns {Boolean} Tells if PAC found\n */\n parsePAC (a: number, b: number): boolean {\n let chNr: number | null = null;\n let row: number | null = null;\n\n let case1 = ((a >= 0x11 && a <= 0x17) || (a >= 0x19 && a <= 0x1F)) && (b >= 0x40 && b <= 0x7F);\n let case2 = (a === 0x10 || a === 0x18) && (b >= 0x40 && b <= 0x5F);\n if (!(case1 || case2)) {\n return false;\n }\n\n if (a === this.lastCmdA && b === this.lastCmdB) {\n this.lastCmdA = null;\n this.lastCmdB = null;\n return true; // Repeated commands are dropped (once)\n }\n\n chNr = (a <= 0x17) ? 1 : 2;\n\n if (b >= 0x40 && b <= 0x5F) {\n row = (chNr === 1) ? rowsLowCh1[a] : rowsLowCh2[a];\n } else { // 0x60 <= b <= 0x7F\n row = (chNr === 1) ? rowsHighCh1[a] : rowsHighCh2[a];\n }\n let pacData = this.interpretPAC(row!, b);\n let channel = this.channels[chNr - 1];\n channel.setPAC(pacData);\n this.lastCmdA = a;\n this.lastCmdB = b;\n this.currChNr = chNr;\n return true;\n }\n\n /**\n * Interpret the second byte of the pac, and return the information.\n * @returns {Object} pacData with style parameters.\n */\n interpretPAC (row: number, byte: number): PACData {\n let pacIndex = byte;\n let pacData: PACData = { color: null, italics: false, indent: null, underline: false, row: row };\n\n if (byte > 0x5F) {\n pacIndex = byte - 0x60;\n } else {\n pacIndex = byte - 0x40;\n }\n\n pacData.underline = (pacIndex & 1) === 1;\n if (pacIndex <= 0xd) {\n pacData.color = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta', 'white'][Math.floor(pacIndex / 2)];\n } else if (pacIndex <= 0xf) {\n pacData.italics = true;\n pacData.color = 'white';\n } else {\n pacData.indent = (Math.floor((pacIndex - 0x10) / 2)) * 4;\n }\n return pacData; // Note that row has zero offset. The spec uses 1.\n }\n\n /**\n * Parse characters.\n * @returns An array with 1 to 2 codes corresponding to chars, if found. null otherwise.\n */\n parseChars (a: number, b: number): number[] | null {\n let channelNr: number | null = null,\n charCodes: number[] | null = null,\n charCode1: number | null = null;\n\n if (a >= 0x19) {\n channelNr = 2;\n charCode1 = a - 8;\n } else {\n channelNr = 1;\n charCode1 = a;\n }\n if (charCode1 >= 0x11 && charCode1 <= 0x13) {\n // Special character\n let oneCode = b;\n if (charCode1 === 0x11) {\n oneCode = b + 0x50;\n } else if (charCode1 === 0x12) {\n oneCode = b + 0x70;\n } else {\n oneCode = b + 0x90;\n }\n\n logger.log('INFO', 'Special char \\'' + getCharForByte(oneCode) + '\\' in channel ' + channelNr);\n charCodes = [oneCode];\n } else if (a >= 0x20 && a <= 0x7f) {\n charCodes = (b === 0) ? [a] : [a, b];\n }\n if (charCodes) {\n let hexCodes = numArrayToHexArray(charCodes);\n logger.log('DEBUG', 'Char codes = ' + hexCodes.join(','));\n this.lastCmdA = null;\n this.lastCmdB = null;\n }\n return charCodes;\n }\n\n /**\n * Parse extended background attributes as well as new foreground color black.\n * @returns {Boolean} Tells if background attributes are found\n */\n parseBackgroundAttributes (a: number, b: number): boolean {\n let bkgData: Partial<PenStyles>,\n index: number,\n chNr: number,\n channel: Cea608Channel;\n\n let case1 = (a === 0x10 || a === 0x18) && (b >= 0x20 && b <= 0x2f);\n let case2 = (a === 0x17 || a === 0x1f) && (b >= 0x2d && b <= 0x2f);\n if (!(case1 || case2)) {\n return false;\n }\n\n bkgData = {};\n if (a === 0x10 || a === 0x18) {\n index = Math.floor((b - 0x20) / 2);\n bkgData.background = backgroundColors[index];\n if (b % 2 === 1) {\n bkgData.background = bkgData.background + '_semi';\n }\n } else if (b === 0x2d) {\n bkgData.background = 'transparent';\n } else {\n bkgData.foreground = 'black';\n if (b === 0x2f) {\n bkgData.underline = true;\n }\n }\n chNr = (a < 0x18) ? 1 : 2;\n channel = this.channels[chNr - 1];\n channel.setBkgData(bkgData);\n this.lastCmdA = null;\n this.lastCmdB = null;\n return true;\n }\n\n /**\n * Reset state of parser and its channels.\n */\n reset () {\n for (let i = 0; i < this.channels.length; i++) {\n if (this.channels[i]) {\n this.channels[i].reset();\n }\n }\n this.lastCmdA = null;\n this.lastCmdB = null;\n }\n\n /**\n * Trigger the generation of a cue, and the start of a new one if displayScreens are not empty.\n */\n cueSplitAtTime (t: number) {\n for (let i = 0; i < this.channels.length; i++) {\n if (this.channels[i]) {\n this.channels[i].cueSplitAtTime(t);\n }\n }\n }\n}\n\nexport default Cea608Parser;\n","import { CaptionScreen } from './cea-608-parser';\n\nexport default class OutputFilter {\n timelineController: any;\n trackName: string;\n startTime: number | null;\n endTime: number | null;\n screen: CaptionScreen | null;\n\n // TODO(typescript-timelineController)\n constructor (timelineController: any, trackName: string) {\n this.timelineController = timelineController;\n this.trackName = trackName;\n this.startTime = null;\n this.endTime = null;\n this.screen = null;\n }\n\n dispatchCue () {\n if (this.startTime === null) {\n return;\n }\n\n this.timelineController.addCues(this.trackName, this.startTime, this.endTime, this.screen);\n this.startTime = null;\n }\n\n newCue (startTime: number, endTime: number, screen: CaptionScreen) {\n if (this.startTime === null || this.startTime > startTime) {\n this.startTime = startTime;\n }\n\n this.endTime = endTime;\n this.screen = screen;\n this.timelineController.createCaptionsTrack(this.trackName);\n }\n}\n","import VTTParser from './vttparser';\nimport { utf8ArrayToStr } from '../demux/id3';\n\n// String.prototype.startsWith is not supported in IE11\nconst startsWith = function (inputString, searchString, position) {\n return inputString.substr(position || 0, searchString.length) === searchString;\n};\n\nconst cueString2millis = function (timeString) {\n let ts = parseInt(timeString.substr(-3));\n let secs = parseInt(timeString.substr(-6, 2));\n let mins = parseInt(timeString.substr(-9, 2));\n let hours = timeString.length > 9 ? parseInt(timeString.substr(0, timeString.indexOf(':'))) : 0;\n\n if (!Number.isFinite(ts) || !Number.isFinite(secs) || !Number.isFinite(mins) || !Number.isFinite(hours)) {\n throw Error(`Malformed X-TIMESTAMP-MAP: Local:${timeString}`);\n }\n\n ts += 1000 * secs;\n ts += 60 * 1000 * mins;\n ts += 60 * 60 * 1000 * hours;\n\n return ts;\n};\n\n// From https://github.com/darkskyapp/string-hash\nconst hash = function (text) {\n let hash = 5381;\n let i = text.length;\n while (i) {\n hash = (hash * 33) ^ text.charCodeAt(--i);\n }\n\n return (hash >>> 0).toString();\n};\n\nconst calculateOffset = function (vttCCs, cc, presentationTime) {\n let currCC = vttCCs[cc];\n let prevCC = vttCCs[currCC.prevCC];\n\n // This is the first discontinuity or cues have been processed since the last discontinuity\n // Offset = current discontinuity time\n if (!prevCC || (!prevCC.new && currCC.new)) {\n vttCCs.ccOffset = vttCCs.presentationOffset = currCC.start;\n currCC.new = false;\n return;\n }\n\n // There have been discontinuities since cues were last parsed.\n // Offset = time elapsed\n while (prevCC && prevCC.new) {\n vttCCs.ccOffset += currCC.start - prevCC.start;\n currCC.new = false;\n currCC = prevCC;\n prevCC = vttCCs[currCC.prevCC];\n }\n\n vttCCs.presentationOffset = presentationTime;\n};\n\nconst WebVTTParser = {\n parse: function (vttByteArray, syncPTS, vttCCs, cc, callBack, errorCallBack) {\n // Convert byteArray into string, replacing any somewhat exotic linefeeds with \"\\n\", then split on that character.\n let re = /\\r\\n|\\n\\r|\\n|\\r/g;\n // Uint8Array.prototype.reduce is not implemented in IE11\n let vttLines = utf8ArrayToStr(new Uint8Array(vttByteArray)).trim().replace(re, '\\n').split('\\n');\n\n let cueTime = '00:00.000';\n let mpegTs = 0;\n let localTime = 0;\n let presentationTime = 0;\n let cues = [];\n let parsingError;\n let inHeader = true;\n let timestampMap = false;\n // let VTTCue = VTTCue || window.TextTrackCue;\n\n // Create parser object using VTTCue with TextTrackCue fallback on certain browsers.\n let parser = new VTTParser();\n\n parser.oncue = function (cue) {\n // Adjust cue timing; clamp cues to start no earlier than - and drop cues that don't end after - 0 on timeline.\n let currCC = vttCCs[cc];\n let cueOffset = vttCCs.ccOffset;\n\n // Update offsets for new discontinuities\n if (currCC && currCC.new) {\n if (localTime !== undefined) {\n // When local time is provided, offset = discontinuity start time - local time\n cueOffset = vttCCs.ccOffset = currCC.start; \n } else {\n calculateOffset(vttCCs, cc, presentationTime);\n }\n }\n\n if (presentationTime) {\n // If we have MPEGTS, offset = presentation time + discontinuity offset \n cueOffset = presentationTime - vttCCs.presentationOffset;\n }\n\n // console.log(cue.startTime + ' before');\n cue.startTime += cueOffset - localTime;\n cue.endTime += cueOffset - localTime;\n\n const text = cue.text.trim();\n // Create a unique hash id for a cue based on start/end times and text.\n // This helps timeline-controller to avoid showing repeated captions.\n cue.id = hash(cue.startTime.toString()) + hash(cue.endTime.toString()) + hash(text);\n\n // Fix encoding of special characters. TODO: Test with all sorts of weird characters.\n cue.text = decodeURIComponent(encodeURIComponent(cue.text));\n if (cue.endTime > 0) {\n cues.push(cue);\n }\n };\n\n parser.onparsingerror = function (e) {\n parsingError = e;\n };\n\n parser.onflush = function () {\n if (parsingError && errorCallBack) {\n errorCallBack(parsingError);\n return;\n }\n callBack(cues);\n };\n\n // Go through contents line by line.\n vttLines.forEach(line => {\n if (inHeader) {\n // Look for X-TIMESTAMP-MAP in header.\n if (startsWith(line, 'X-TIMESTAMP-MAP=')) {\n // Once found, no more are allowed anyway, so stop searching.\n inHeader = false;\n timestampMap = true;\n // Extract LOCAL and MPEGTS.\n line.substr(16).split(',').forEach(timestamp => {\n if (startsWith(timestamp, 'LOCAL:')) {\n cueTime = timestamp.substr(6);\n } else if (startsWith(timestamp, 'MPEGTS:')) {\n mpegTs = parseInt(timestamp.substr(7));\n }\n });\n try {\n //\n // Calculate subtitle offset in milliseconds.\n // if (syncPTS + ((vttCCs[cc].start * 90000) || 0) < 0) {\n // syncPTS += 8589934592;\n // }\n // Adjust MPEGTS by sync PTS.\n mpegTs -= syncPTS;\n \n // Convert cue time to seconds\n localTime = cueString2millis(cueTime) / 1000;\n // Convert MPEGTS to seconds from 90kHz.\n presentationTime = mpegTs / 90000;\n //console.log(syncPTS + \" syncPTS is \" + presentationTime + ' local time ' + localTime);\n if (localTime === -1) {\n parsingError = new Error(`Malformed X-TIMESTAMP-MAP: ${line}`);\n }\n } catch (e) {\n timestampMap = false;\n parsingError = e;\n }\n // Return without parsing X-TIMESTAMP-MAP line.\n return;\n } else if (line === '') {\n inHeader = false;\n }\n }\n // Parse line by default.\n parser.parse(line + '\\n');\n });\n\n parser.flush();\n }\n};\n\nexport default WebVTTParser;\n","import Event from '../events';\nimport EventHandler from '../event-handler';\nimport Cea608Parser, { CaptionScreen } from '../utils/cea-608-parser';\nimport OutputFilter from '../utils/output-filter';\nimport WebVTTParser from '../utils/webvtt-parser';\nimport { logger } from '../utils/logger';\nimport { sendAddTrackEvent, clearCurrentCues } from '../utils/texttrack-utils';\nimport Fragment from '../loader/fragment';\nimport { HlsConfig } from '../config';\n\n// TS todo: Reduce usage of any\nclass TimelineController extends EventHandler {\n private media: HTMLMediaElement | null = null;\n private config: HlsConfig;\n private enabled: boolean = true;\n private Cues: any;\n private textTracks: Array<TextTrack> = [];\n private tracks: Array<any> = [];\n private initPTS: Array<number> = [];\n private unparsedVttFrags: Array<{frag: Fragment, payload: any}> = [];\n private cueRanges: Array<any> = [];\n private captionsTracks: any = {};\n private captionsProperties: any;\n private cea608Parser!: Cea608Parser;\n private lastSn: number = -1;\n private prevCC: number = -1;\n private vttCCs: any = null;\n\n constructor (hls) {\n super(hls, Event.MEDIA_ATTACHING,\n Event.MEDIA_DETACHING,\n Event.FRAG_PARSING_USERDATA,\n Event.FRAG_DECRYPTED,\n Event.MANIFEST_LOADING,\n Event.MANIFEST_LOADED,\n Event.FRAG_LOADED,\n Event.INIT_PTS_FOUND);\n\n this.hls = hls;\n this.config = hls.config;\n this.Cues = hls.config.cueHandler;\n\n this.captionsProperties = {\n textTrack1: {\n label: this.config.captionsTextTrack1Label,\n languageCode: this.config.captionsTextTrack1LanguageCode\n },\n textTrack2: {\n label: this.config.captionsTextTrack2Label,\n languageCode: this.config.captionsTextTrack2LanguageCode\n }\n };\n\n if (this.config.enableCEA708Captions) {\n const channel1 = new OutputFilter(this, 'textTrack1');\n const channel2 = new OutputFilter(this, 'textTrack2');\n this.cea608Parser = new Cea608Parser(0, channel1, channel2);\n }\n }\n\n addCues (trackName: string, startTime: number, endTime: number, screen: CaptionScreen) {\n // skip cues which overlap more than 50% with previously parsed time ranges\n const ranges = this.cueRanges;\n let merged = false;\n for (let i = ranges.length; i--;) {\n let cueRange = ranges[i];\n let overlap = intersection(cueRange[0], cueRange[1], startTime, endTime);\n if (overlap >= 0) {\n cueRange[0] = Math.min(cueRange[0], startTime);\n cueRange[1] = Math.max(cueRange[1], endTime);\n merged = true;\n if ((overlap / (endTime - startTime)) > 0.5) {\n return;\n }\n }\n }\n if (!merged) {\n ranges.push([startTime, endTime]);\n }\n\n this.Cues.newCue(this.captionsTracks[trackName], startTime, endTime, screen);\n }\n\n // Triggered when an initial PTS is found; used for synchronisation of WebVTT.\n onInitPtsFound (data: { id: string, frag: Fragment, initPTS: number}) {\n const { frag, id, initPTS } = data;\n const { unparsedVttFrags } = this;\n if (id === 'main') {\n this.initPTS[frag.cc] = initPTS;\n }\n\n // Due to asynchronous processing, initial PTS may arrive later than the first VTT fragments are loaded.\n // Parse any unparsed fragments upon receiving the initial PTS.\n if (unparsedVttFrags.length) {\n this.unparsedVttFrags = [];\n unparsedVttFrags.forEach(frag => {\n this.onFragLoaded(frag);\n });\n }\n }\n\n getExistingTrack (trackName: string): TextTrack | null {\n const { media } = this;\n if (media) {\n for (let i = 0; i < media.textTracks.length; i++) {\n let textTrack = media.textTracks[i];\n if (textTrack[trackName]) {\n return textTrack;\n }\n }\n }\n return null;\n }\n\n createCaptionsTrack (trackName: string) {\n const { captionsProperties, captionsTracks, media } = this;\n const { label, languageCode } = captionsProperties[trackName];\n if (!captionsTracks[trackName]) {\n // Enable reuse of existing text track.\n const existingTrack = this.getExistingTrack(trackName);\n if (!existingTrack) {\n const textTrack = this.createTextTrack('captions', label, languageCode);\n if (textTrack) {\n // Set a special property on the track so we know it's managed by Hls.js\n textTrack[trackName] = true;\n captionsTracks[trackName] = textTrack;\n }\n } else {\n captionsTracks[trackName] = existingTrack;\n clearCurrentCues(captionsTracks[trackName]);\n sendAddTrackEvent(captionsTracks[trackName], media as HTMLMediaElement);\n }\n }\n }\n\n createTextTrack (kind: TextTrackKind, label: string, lang: string): TextTrack | undefined {\n const media = this.media;\n if (!media) {\n return;\n }\n return media.addTextTrack(kind, label, lang);\n }\n\n destroy () {\n super.destroy();\n }\n\n onMediaAttaching (data: { media: HTMLMediaElement }) {\n this.media = data.media;\n this._cleanTracks();\n }\n\n onMediaDetaching () {\n const { captionsTracks } = this;\n Object.keys(captionsTracks).forEach(trackName => {\n clearCurrentCues(captionsTracks[trackName]);\n delete captionsTracks[trackName];\n });\n }\n\n onManifestLoading () {\n this.lastSn = -1; // Detect discontiguity in fragment parsing\n this.prevCC = -1;\n this.vttCCs = { // Detect discontinuity in subtitle manifests\n ccOffset: 0,\n presentationOffset: 0,\n 0: {\n start: 0, prevCC: -1, new: false\n }\n };\n this._cleanTracks();\n }\n\n _cleanTracks () {\n // clear outdated subtitles\n const { media } = this;\n if (!media) {\n return;\n }\n const textTracks = media.textTracks;\n if (textTracks) {\n for (let i = 0; i < textTracks.length; i++) {\n clearCurrentCues(textTracks[i]);\n }\n }\n }\n\n onManifestLoaded (data: { subtitles: Array<any> }) {\n this.textTracks = [];\n this.unparsedVttFrags = this.unparsedVttFrags || [];\n this.initPTS = [];\n this.cueRanges = [];\n\n if (this.config.enableWebVTT) {\n this.tracks = data.subtitles || [];\n const inUseTracks = this.media ? this.media.textTracks : [];\n\n this.tracks.forEach((track, index) => {\n let textTrack;\n if (index < inUseTracks.length) {\n let inUseTrack: TextTrack | null = null;\n\n for (let i = 0; i < inUseTracks.length; i++) {\n if (canReuseVttTextTrack(inUseTracks[i], track)) {\n inUseTrack = inUseTracks[i];\n break;\n }\n }\n\n // Reuse tracks with the same label, but do not reuse 608/708 tracks\n if (inUseTrack) {\n textTrack = inUseTrack;\n }\n }\n if (!textTrack) {\n textTrack = this.createTextTrack('subtitles', track.name, track.lang);\n }\n\n if (track.default) {\n textTrack.mode = this.hls.subtitleDisplay ? 'showing' : 'hidden';\n } else {\n textTrack.mode = 'disabled';\n }\n\n this.textTracks.push(textTrack);\n });\n }\n }\n\n onFragLoaded (data: { frag: Fragment, payload: any }) {\n const { frag, payload } = data;\n const { cea608Parser, initPTS, lastSn, unparsedVttFrags } = this;\n if (frag.type === 'main') {\n const sn = frag.sn;\n // if this frag isn't contiguous, clear the parser so cues with bad start/end times aren't added to the textTrack\n if (frag.sn !== lastSn + 1) {\n if (cea608Parser) {\n cea608Parser.reset();\n }\n }\n this.lastSn = sn as number;\n } // eslint-disable-line brace-style\n // If fragment is subtitle type, parse as WebVTT.\n else if (frag.type === 'subtitle') {\n if (payload.byteLength) {\n // We need an initial synchronisation PTS. Store fragments as long as none has arrived.\n if (!Number.isFinite(initPTS[frag.cc])) {\n unparsedVttFrags.push(data);\n if (initPTS.length) {\n // finish unsuccessfully, otherwise the subtitle-stream-controller could be blocked from loading new frags.\n this.hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: false, frag });\n }\n return;\n }\n\n let decryptData = frag.decryptdata;\n // If the subtitles are not encrypted, parse VTTs now. Otherwise, we need to wait.\n if ((decryptData == null) || (decryptData.key == null) || (decryptData.method !== 'AES-128')) {\n this._parseVTTs(frag, payload);\n }\n } else {\n // In case there is no payload, finish unsuccessfully.\n this.hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: false, frag });\n }\n }\n }\n\n _parseVTTs (frag: Fragment, payload) {\n const { hls, prevCC, textTracks, vttCCs } = this;\n if (!vttCCs[frag.cc]) {\n vttCCs[frag.cc] = { start: frag.start, prevCC, new: true };\n this.prevCC = frag.cc;\n }\n // Parse the WebVTT file contents.\n WebVTTParser.parse(payload, this.initPTS[frag.cc], vttCCs, frag.cc, function (cues) {\n const currentTrack = textTracks[frag.level];\n // WebVTTParser.parse is an async method and if the currently selected text track mode is set to \"disabled\"\n // before parsing is done then don't try to access currentTrack.cues.getCueById as cues will be null\n // and trying to access getCueById method of cues will throw an exception\n if (currentTrack.mode === 'disabled') {\n hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: false, frag: frag });\n return;\n } \n let minStartTime = Number.MAX_SAFE_INTEGER;\n // Add cues and trigger event with success true.\n \n cues.forEach(cue => {\n //find the first cue in the entire cue set since its not always sorted\n minStartTime = Math.min(cue.startTime,minStartTime);\n // Sometimes there are cue overlaps on segmented vtts so the same\n // cue can appear more than once in different vtt files.\n // This avoid showing duplicated cues with same timecode and text.\n if (!currentTrack.cues.getCueById(cue.id)) {\n try {\n currentTrack.addCue(cue);\n if (!currentTrack.cues.getCueById(cue.id)) {\n throw new Error(`addCue is failed for: ${cue}`);\n }\n } catch (err) {\n logger.debug(`Failed occurred on adding cues: ${err}`);\n const textTrackCue = new (window as any).TextTrackCue(cue.startTime, cue.endTime, cue.text);\n textTrackCue.id = cue.id;\n currentTrack.addCue(textTrackCue);\n }\n }\n } \n );\n \n let liveSyncPosition = hls.streamController.liveSyncPosition;\n //need to remove cues only for live so if there is no sync position its a VOD\n // if there is a better way to detect live vs vod we can use it. \n while (cues.length > 0 && liveSyncPosition !== undefined ){\n //We remove cues which are more than 5 minutes old than the current cue\n if (currentTrack.cues[0].startTime < minStartTime - 300){\n currentTrack.removeCue(currentTrack.cues[0]);\n } else {\n break;\n }\n }\n hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: true, frag: frag });\n },\n function (e) {\n // Something went wrong while parsing. Trigger event with success false.\n logger.log(`Failed to parse VTT cue: ${e}`);\n hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: false, frag: frag });\n });\n }\n\n onFragDecrypted (data: { frag: Fragment, payload: any}) {\n const { frag, payload } = data;\n if (frag.type === 'subtitle') {\n if (!Number.isFinite(this.initPTS[frag.cc])) {\n this.unparsedVttFrags.push(data);\n return;\n }\n\n this._parseVTTs(frag, payload);\n }\n }\n\n onFragParsingUserdata (data: { samples: Array<any> }) {\n if (!this.enabled || !this.cea608Parser) {\n return;\n }\n\n // If the event contains captions (found in the bytes property), push all bytes into the parser immediately\n // It will create the proper timestamps based on the PTS value\n for (let i = 0; i < data.samples.length; i++) {\n const ccBytes = data.samples[i].bytes;\n if (ccBytes) {\n const ccdatas = this.extractCea608Data(ccBytes);\n this.cea608Parser.addData(data.samples[i].pts, ccdatas);\n }\n }\n }\n\n extractCea608Data (byteArray: Uint8Array): Array<number> {\n let count = byteArray[0] & 31;\n let position = 2;\n let tmpByte, ccbyte1, ccbyte2, ccValid, ccType;\n let actualCCBytes: number[] = [];\n\n for (let j = 0; j < count; j++) {\n tmpByte = byteArray[position++];\n ccbyte1 = 0x7F & byteArray[position++];\n ccbyte2 = 0x7F & byteArray[position++];\n ccValid = (4 & tmpByte) !== 0;\n ccType = 3 & tmpByte;\n\n if (ccbyte1 === 0 && ccbyte2 === 0) {\n continue;\n }\n\n if (ccValid) {\n if (ccType === 0) { // || ccType === 1\n actualCCBytes.push(ccbyte1);\n actualCCBytes.push(ccbyte2);\n }\n }\n }\n return actualCCBytes;\n }\n}\n\nfunction canReuseVttTextTrack (inUseTrack, manifestTrack): boolean {\n return inUseTrack && inUseTrack.label === manifestTrack.name && !(inUseTrack.textTrack1 || inUseTrack.textTrack2);\n}\n\nfunction intersection (x1: number, x2: number, y1: number, y2: number): number {\n return Math.min(x2, y2) - Math.max(x1, y1);\n}\n\nexport default TimelineController;\n","import Event from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\nimport { computeReloadInterval } from './level-helper';\nimport { clearCurrentCues } from '../utils/texttrack-utils';\n\nclass SubtitleTrackController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.MANIFEST_LOADED,\n Event.SUBTITLE_TRACK_LOADED);\n this.tracks = [];\n this.trackId = -1;\n this.media = null;\n this.stopped = true;\n\n /**\n * @member {boolean} subtitleDisplay Enable/disable subtitle display rendering\n */\n this.subtitleDisplay = true;\n\n /**\n * Keeps reference to a default track id when media has not been attached yet\n * @member {number}\n */\n this.queuedDefaultTrack = null;\n }\n\n destroy () {\n EventHandler.prototype.destroy.call(this);\n }\n\n // Listen for subtitle track change, then extract the current track ID.\n onMediaAttached (data) {\n this.media = data.media;\n if (!this.media) {\n return;\n }\n\n if (Number.isFinite(this.queuedDefaultTrack)) {\n this.subtitleTrack = this.queuedDefaultTrack;\n this.queuedDefaultTrack = null;\n }\n\n this.trackChangeListener = this._onTextTracksChanged.bind(this);\n\n this.useTextTrackPolling = !(this.media.textTracks && 'onchange' in this.media.textTracks);\n if (this.useTextTrackPolling) {\n this.subtitlePollingInterval = setInterval(() => {\n this.trackChangeListener();\n }, 500);\n } else {\n this.media.textTracks.addEventListener('change', this.trackChangeListener);\n }\n }\n\n onMediaDetaching () {\n if (!this.media) {\n return;\n }\n\n if (this.useTextTrackPolling) {\n clearInterval(this.subtitlePollingInterval);\n } else {\n this.media.textTracks.removeEventListener('change', this.trackChangeListener);\n }\n\n if (Number.isFinite(this.subtitleTrack)) {\n this.queuedDefaultTrack = this.subtitleTrack;\n }\n\n const textTracks = filterSubtitleTracks(this.media.textTracks);\n // Clear loaded cues on media detachment from tracks\n textTracks.forEach((track) => {\n clearCurrentCues(track);\n });\n // Disable all subtitle tracks before detachment so when reattached only tracks in that content are enabled.\n this.subtitleTrack = -1;\n this.media = null;\n }\n\n // Fired whenever a new manifest is loaded.\n onManifestLoaded (data) {\n let tracks = data.subtitles || [];\n this.tracks = tracks;\n this.hls.trigger(Event.SUBTITLE_TRACKS_UPDATED, { subtitleTracks: tracks });\n\n // loop through available subtitle tracks and autoselect default if needed\n // TODO: improve selection logic to handle forced, etc\n tracks.forEach(track => {\n if (track.default) {\n // setting this.subtitleTrack will trigger internal logic\n // if media has not been attached yet, it will fail\n // we keep a reference to the default track id\n // and we'll set subtitleTrack when onMediaAttached is triggered\n if (this.media) {\n this.subtitleTrack = track.id;\n } else {\n this.queuedDefaultTrack = track.id;\n }\n }\n });\n }\n\n onSubtitleTrackLoaded (data) {\n const { id, details } = data;\n const { trackId, tracks } = this;\n const currentTrack = tracks[trackId];\n if (id >= tracks.length || id !== trackId || !currentTrack || this.stopped) {\n this._clearReloadTimer();\n return;\n }\n\n logger.log(`subtitle track ${id} loaded`);\n if (details.live) {\n const reloadInterval = computeReloadInterval(currentTrack.details, details, data.stats.trequest);\n logger.log(`Reloading live subtitle playlist in ${reloadInterval}ms`);\n this.timer = setTimeout(() => {\n this._loadCurrentTrack();\n }, reloadInterval);\n } else {\n this._clearReloadTimer();\n }\n }\n\n startLoad () {\n this.stopped = false;\n this._loadCurrentTrack();\n }\n\n stopLoad () {\n this.stopped = true;\n this._clearReloadTimer();\n }\n\n /** get alternate subtitle tracks list from playlist **/\n get subtitleTracks () {\n return this.tracks;\n }\n\n /** get index of the selected subtitle track (index in subtitle track lists) **/\n get subtitleTrack () {\n return this.trackId;\n }\n\n /** select a subtitle track, based on its index in subtitle track lists**/\n set subtitleTrack (subtitleTrackId) {\n if (this.trackId !== subtitleTrackId) {\n this._toggleTrackModes(subtitleTrackId);\n this._setSubtitleTrackInternal(subtitleTrackId);\n }\n }\n\n _clearReloadTimer () {\n if (this.timer) {\n clearTimeout(this.timer);\n this.timer = null;\n }\n }\n\n _loadCurrentTrack () {\n const { trackId, tracks, hls } = this;\n const currentTrack = tracks[trackId];\n if (trackId < 0 || !currentTrack || (currentTrack.details && !currentTrack.details.live)) {\n return;\n }\n logger.log(`Loading subtitle track ${trackId}`);\n hls.trigger(Event.SUBTITLE_TRACK_LOADING, { url: currentTrack.url, id: trackId });\n }\n\n /**\n * Disables the old subtitleTrack and sets current mode on the next subtitleTrack.\n * This operates on the DOM textTracks.\n * A value of -1 will disable all subtitle tracks.\n * @param newId - The id of the next track to enable\n * @private\n */\n _toggleTrackModes (newId) {\n const { media, subtitleDisplay, trackId } = this;\n if (!media) {\n return;\n }\n\n const textTracks = filterSubtitleTracks(media.textTracks);\n if (newId === -1) {\n [].slice.call(textTracks).forEach(track => {\n track.mode = 'disabled';\n });\n } else {\n const oldTrack = textTracks[trackId];\n if (oldTrack) {\n oldTrack.mode = 'disabled';\n }\n }\n\n const nextTrack = textTracks[newId];\n if (nextTrack) {\n nextTrack.mode = subtitleDisplay ? 'showing' : 'hidden';\n }\n }\n\n /**\n * This method is responsible for validating the subtitle index and periodically reloading if live.\n * Dispatches the SUBTITLE_TRACK_SWITCH event, which instructs the subtitle-stream-controller to load the selected track.\n * @param newId - The id of the subtitle track to activate.\n */\n _setSubtitleTrackInternal (newId) {\n const { hls, tracks } = this;\n if (!Number.isFinite(newId) || newId < -1 || newId >= tracks.length) {\n return;\n }\n\n this.trackId = newId;\n logger.log(`Switching to subtitle track ${newId}`);\n hls.trigger(Event.SUBTITLE_TRACK_SWITCH, { id: newId });\n this._loadCurrentTrack();\n }\n\n _onTextTracksChanged () {\n // Media is undefined when switching streams via loadSource()\n if (!this.media) {\n return;\n }\n\n let trackId = -1;\n let tracks = filterSubtitleTracks(this.media.textTracks);\n for (let id = 0; id < tracks.length; id++) {\n if (tracks[id].mode === 'hidden') {\n // Do not break in case there is a following track with showing.\n trackId = id;\n } else if (tracks[id].mode === 'showing') {\n trackId = id;\n break;\n }\n }\n\n // Setting current subtitleTrack will invoke code.\n this.subtitleTrack = trackId;\n }\n}\n\nfunction filterSubtitleTracks (textTrackList) {\n let tracks = [];\n for (let i = 0; i < textTrackList.length; i++) {\n const track = textTrackList[i];\n // Edge adds a track without a label; we don't want to use it\n if (track.kind === 'subtitles' && track.label) {\n tracks.push(textTrackList[i]);\n }\n }\n return tracks;\n}\n\nexport default SubtitleTrackController;\n","/**\n * @see https://developer.mozilla.org/en-US/docs/Web/API/Navigator/requestMediaKeySystemAccess\n */\nexport enum KeySystems {\n WIDEVINE = 'com.widevine.alpha',\n PLAYREADY = 'com.microsoft.playready',\n}\n\nexport type MediaKeyFunc = (keySystem: KeySystems, supportedConfigurations: MediaKeySystemConfiguration[]) => Promise<MediaKeySystemAccess>;\nconst requestMediaKeySystemAccess = (function (): MediaKeyFunc | null {\n if (typeof window !== 'undefined' && window.navigator && window.navigator.requestMediaKeySystemAccess) {\n return window.navigator.requestMediaKeySystemAccess.bind(window.navigator);\n } else {\n return null;\n }\n})();\n\nexport {\n requestMediaKeySystemAccess\n};\n","/**\n * @class SubtitleStreamController\n */\n\nimport Event from '../events';\nimport { logger } from '../utils/logger';\nimport Decrypter from '../crypt/decrypter';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport { findFragmentByPDT, findFragmentByPTS } from './fragment-finders';\nimport { FragmentState } from './fragment-tracker';\nimport BaseStreamController, { State } from './base-stream-controller';\nimport { mergeSubtitlePlaylists } from './level-helper';\n\nconst { performance } = window;\nconst TICK_INTERVAL = 500; // how often to tick in ms\n\nexport class SubtitleStreamController extends BaseStreamController {\n constructor (hls, fragmentTracker) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.ERROR,\n Event.KEY_LOADED,\n Event.FRAG_LOADED,\n Event.SUBTITLE_TRACKS_UPDATED,\n Event.SUBTITLE_TRACK_SWITCH,\n Event.SUBTITLE_TRACK_LOADED,\n Event.SUBTITLE_FRAG_PROCESSED,\n Event.LEVEL_UPDATED);\n\n this.fragmentTracker = fragmentTracker;\n this.config = hls.config;\n this.state = State.STOPPED;\n this.tracks = [];\n this.tracksBuffered = [];\n this.currentTrackId = -1;\n this.decrypter = new Decrypter(hls, hls.config);\n // lastAVStart stores the time in seconds for the start time of a level load\n this.lastAVStart = 0;\n this._onMediaSeeking = this.onMediaSeeking.bind(this);\n }\n\n onSubtitleFragProcessed (data) {\n const { frag, success } = data;\n this.fragPrevious = frag;\n this.state = State.IDLE;\n if (!success) {\n return;\n }\n\n const buffered = this.tracksBuffered[this.currentTrackId];\n if (!buffered) {\n return;\n }\n\n // Create/update a buffered array matching the interface used by BufferHelper.bufferedInfo\n // so we can re-use the logic used to detect how much have been buffered\n let timeRange;\n const fragStart = frag.start;\n for (let i = 0; i < buffered.length; i++) {\n if (fragStart >= buffered[i].start && fragStart <= buffered[i].end) {\n timeRange = buffered[i];\n break;\n }\n }\n\n const fragEnd = frag.start + frag.duration;\n if (timeRange) {\n timeRange.end = fragEnd;\n } else {\n timeRange = {\n start: fragStart,\n end: fragEnd\n };\n buffered.push(timeRange);\n }\n }\n\n onMediaAttached ({ media }) {\n this.media = media;\n media.addEventListener('seeking', this._onMediaSeeking);\n this.state = State.IDLE;\n }\n\n onMediaDetaching () {\n if (!this.media) {\n return;\n }\n this.media.removeEventListener('seeking', this._onMediaSeeking);\n this.fragmentTracker.removeAllFragments();\n this.currentTrackId = -1;\n this.tracks.forEach((track) => {\n this.tracksBuffered[track.id] = [];\n });\n this.media = null;\n this.state = State.STOPPED;\n }\n\n // If something goes wrong, proceed to next frag, if we were processing one.\n onError (data) {\n //Commenting out this code since we need to reset the state for any error\n // let frag = data.frag;\n // // don't handle error not related to subtitle fragment\n // if (!frag || frag.type !== 'subtitle') {\n // return;\n // }\n this.state = State.IDLE;\n }\n\n // Got all new subtitle tracks.\n onSubtitleTracksUpdated (data) {\n logger.log('subtitle tracks updated');\n this.tracksBuffered = [];\n this.tracks = data.subtitleTracks;\n this.tracks.forEach((track) => {\n this.tracksBuffered[track.id] = [];\n });\n }\n\n onSubtitleTrackSwitch (data) {\n this.currentTrackId = data.id;\n\n if (!this.tracks || !this.tracks.length || this.currentTrackId === -1) {\n this.clearInterval();\n return;\n }\n\n // Check if track has the necessary details to load fragments\n const currentTrack = this.tracks[this.currentTrackId];\n if (currentTrack && currentTrack.details) {\n this.setInterval(TICK_INTERVAL);\n }\n }\n\n // Got a new set of subtitle fragments.\n onSubtitleTrackLoaded (data) {\n const { id, details } = data;\n const { currentTrackId, tracks } = this;\n const currentTrack = tracks[currentTrackId];\n if (id >= tracks.length || id !== currentTrackId || !currentTrack) {\n return;\n }\n\n if (details.live) {\n mergeSubtitlePlaylists(currentTrack.details, details, this.lastAVStart);\n }\n currentTrack.details = details;\n this.setInterval(TICK_INTERVAL);\n }\n\n onKeyLoaded () {\n if (this.state === State.KEY_LOADING) {\n this.state = State.IDLE;\n }\n }\n\n onFragLoaded (data) {\n const fragCurrent = this.fragCurrent;\n const decryptData = data.frag.decryptdata;\n const fragLoaded = data.frag;\n const hls = this.hls;\n\n if (this.state === State.FRAG_LOADING &&\n fragCurrent &&\n data.frag.type === 'subtitle' &&\n fragCurrent.sn === data.frag.sn) {\n // check to see if the payload needs to be decrypted\n if (data.payload.byteLength > 0 && (decryptData && decryptData.key && decryptData.method === 'AES-128')) {\n let startTime = performance.now();\n\n // decrypt the subtitles\n this.decrypter.decrypt(data.payload, decryptData.key.buffer, decryptData.iv.buffer, function (decryptedData) {\n let endTime = performance.now();\n hls.trigger(Event.FRAG_DECRYPTED, { frag: fragLoaded, payload: decryptedData, stats: { tstart: startTime, tdecrypt: endTime } });\n });\n }\n }\n }\n\n onLevelUpdated ({ details }) {\n const frags = details.fragments;\n this.lastAVStart = frags.length ? frags[0].start : 0;\n }\n\n doTick () {\n if (!this.media) {\n this.state = State.IDLE;\n return;\n }\n\n switch (this.state) {\n case State.IDLE: {\n const { config, currentTrackId, fragmentTracker, media, tracks } = this;\n if (!tracks || !tracks[currentTrackId] || !tracks[currentTrackId].details) {\n break;\n }\n\n const { maxBufferHole, maxFragLookUpTolerance } = config;\n const maxConfigBuffer = Math.min(config.maxBufferLength, config.maxMaxBufferLength);\n const bufferedInfo = BufferHelper.bufferedInfo(this._getBuffered(), media.currentTime, maxBufferHole);\n const { end: bufferEnd, len: bufferLen } = bufferedInfo;\n\n const trackDetails = tracks[currentTrackId].details;\n const fragments = trackDetails.fragments;\n const fragLen = fragments.length;\n const end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration;\n\n if (bufferLen > maxConfigBuffer) {\n return;\n }\n\n let foundFrag;\n const fragPrevious = this.fragPrevious;\n if (bufferEnd < end) {\n if (fragPrevious && trackDetails.hasProgramDateTime) {\n foundFrag = findFragmentByPDT(fragments, fragPrevious.endProgramDateTime, maxFragLookUpTolerance);\n }\n if (!foundFrag) {\n foundFrag = findFragmentByPTS(fragPrevious, fragments, bufferEnd, maxFragLookUpTolerance);\n }\n if (!foundFrag && trackDetails.live && fragPrevious && fragPrevious.start < fragments[0].start) {\n /*\n below is a real world example of what can happen in production. \n \n fragPrevious s:04:08:44.000Z, e:04:08:49.000Z -- was found by PDT\n \n # response on subtitle/en/playlist.m3u8 on Nth call\n fragments[0]: s:04:08:24.000Z, e:04:08:29.000Z -- s:4532.900002, e:4537.900002\n fragments[1]: s:04:08:29.000Z, e:04:08:34.000Z -- s:4537.900002, e:4542.900002\n fragments[2]: s:04:08:34.000Z, e:04:08:39.000Z -- s:4542.900002, e:4547.900002\n fragments[3]: s:04:08:39.000Z, e:04:08:44.000Z -- s:4547.900002, e:4552.900002\n fragments[4]: s:04:08:44.000Z, e:04:08:49.000Z -- s:4552.900002, e:4557.900002\n\n # response on subtitle/en/playlist.m3u8 on (N+1)th call\n fragments[0]: s:04:08:54.000Z, e:04:08:59.000Z -- s:4562.900002, e:4567.900002\n fragments[1]: s:04:08:59.000Z, e:04:09:04.000Z -- s:4567.900002, e:4572.900002\n fragments[2]: s:04:09:04.000Z, e:04:09:09.000Z -- s:4572.900002, e:4577.900002\n fragments[3]: s:04:09:09.000Z, e:04:09:14.000Z -- s:4577.900002, e:4582.900002\n fragments[4]: s:04:09:14.000Z, e:04:09:19.000Z -- s:4582.900002, e:4587.900002\n\n # notice the gap from e:04:08:49.000Z to s:04:08:54.000Z, code below is to fix this issue\n */\n \n foundFrag = fragments[0];\n logger.warn(`Gap detected in live subtitle playlist, using next available fragment {start: ${foundFrag.start}}`);\n }\n\n } else {\n foundFrag = fragments[fragLen - 1];\n }\n\n if (foundFrag && foundFrag.encrypted) {\n logger.log(`Loading key for ${foundFrag.sn}`);\n this.state = State.KEY_LOADING;\n this.hls.trigger(Event.KEY_LOADING, { frag: foundFrag });\n } else if (foundFrag && this.fragmentTracker.getState(foundFrag) === FragmentState.NOT_LOADED) {\n // only load if fragment is not loaded \n this.fragCurrent = foundFrag;\n this.state = State.FRAG_LOADING;\n this.hls.trigger(Event.FRAG_LOADING, { frag: foundFrag });\n }\n }\n }\n }\n\n stopLoad () {\n this.lastAVStart = 0;\n super.stopLoad();\n }\n\n _getBuffered () {\n return this.tracksBuffered[this.currentTrackId] || [];\n }\n\n onMediaSeeking () {\n this.fragPrevious = null;\n }\n}\n","/**\n * @author Stephan Hesse <disparat@gmail.com> | <tchakabam@gmail.com>\n *\n * DRM support for Hls.js\n */\n\nimport EventHandler from '../event-handler';\nimport Event from '../events';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\nimport { logger } from '../utils/logger';\nimport { EMEControllerConfig } from '../config';\nimport { KeySystems, MediaKeyFunc } from '../utils/mediakeys-helper';\n\nconst MAX_LICENSE_REQUEST_FAILURES = 3;\n\n/**\n * @see https://developer.mozilla.org/en-US/docs/Web/API/MediaKeySystemConfiguration\n * @param {Array<string>} audioCodecs List of required audio codecs to support\n * @param {Array<string>} videoCodecs List of required video codecs to support\n * @param {object} drmSystemOptions Optional parameters/requirements for the key-system\n * @returns {Array<MediaSystemConfiguration>} An array of supported configurations\n */\n\nconst createWidevineMediaKeySystemConfigurations = function (audioCodecs: string[], videoCodecs: string[]): MediaKeySystemConfiguration[] { /* jshint ignore:line */\n const baseConfig: MediaKeySystemConfiguration = {\n // initDataTypes: ['keyids', 'mp4'],\n // label: \"\",\n // persistentState: \"not-allowed\", // or \"required\" ?\n // distinctiveIdentifier: \"not-allowed\", // or \"required\" ?\n // sessionTypes: ['temporary'],\n videoCapabilities: [] // { contentType: 'video/mp4; codecs=\"avc1.42E01E\"' }\n };\n\n videoCodecs.forEach((codec) => {\n baseConfig.videoCapabilities!.push({\n contentType: `video/mp4; codecs=\"${codec}\"`\n });\n });\n\n return [\n baseConfig\n ];\n};\n\n/**\n * The idea here is to handle key-system (and their respective platforms) specific configuration differences\n * in order to work with the local requestMediaKeySystemAccess method.\n *\n * We can also rule-out platform-related key-system support at this point by throwing an error.\n *\n * @param {string} keySystem Identifier for the key-system, see `KeySystems` enum\n * @param {Array<string>} audioCodecs List of required audio codecs to support\n * @param {Array<string>} videoCodecs List of required video codecs to support\n * @throws will throw an error if a unknown key system is passed\n * @returns {Array<MediaSystemConfiguration>} A non-empty Array of MediaKeySystemConfiguration objects\n */\nconst getSupportedMediaKeySystemConfigurations = function (keySystem: KeySystems, audioCodecs: string[], videoCodecs: string[]): MediaKeySystemConfiguration[] {\n switch (keySystem) {\n case KeySystems.WIDEVINE:\n return createWidevineMediaKeySystemConfigurations(audioCodecs, videoCodecs);\n default:\n throw new Error(`Unknown key-system: ${keySystem}`);\n }\n};\n\ninterface MediaKeysListItem {\n mediaKeys?: MediaKeys,\n mediaKeysSession?: MediaKeySession,\n mediaKeysSessionInitialized: boolean;\n mediaKeySystemAccess: MediaKeySystemAccess;\n mediaKeySystemDomain: KeySystems;\n}\n\n/**\n * Controller to deal with encrypted media extensions (EME)\n * @see https://developer.mozilla.org/en-US/docs/Web/API/Encrypted_Media_Extensions_API\n *\n * @class\n * @constructor\n */\nclass EMEController extends EventHandler {\n private _widevineLicenseUrl?: string;\n private _licenseXhrSetup?: (xhr: XMLHttpRequest, url: string) => void;\n private _emeEnabled: boolean;\n private _requestMediaKeySystemAccess: MediaKeyFunc | null\n\n private _config: EMEControllerConfig;\n private _mediaKeysList: MediaKeysListItem[] = [];\n private _media: HTMLMediaElement | null = null;\n private _hasSetMediaKeys: boolean = false;\n private _requestLicenseFailureCount: number = 0;\n\n /**\n * @constructs\n * @param {Hls} hls Our Hls.js instance\n */\n constructor (hls) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHED,\n Event.MANIFEST_PARSED\n );\n this._config = hls.config;\n\n this._widevineLicenseUrl = this._config.widevineLicenseUrl;\n this._licenseXhrSetup = this._config.licenseXhrSetup;\n this._emeEnabled = this._config.emeEnabled;\n this._requestMediaKeySystemAccess = this._config.requestMediaKeySystemAccessFunc;\n }\n\n /**\n * @param {string} keySystem Identifier for the key-system, see `KeySystems` enum\n * @returns {string} License server URL for key-system (if any configured, otherwise causes error)\n * @throws if a unsupported keysystem is passed\n */\n getLicenseServerUrl (keySystem: KeySystems): string {\n switch (keySystem) {\n case KeySystems.WIDEVINE:\n if (!this._widevineLicenseUrl) {\n break;\n }\n return this._widevineLicenseUrl;\n }\n\n throw new Error(`no license server URL configured for key-system \"${keySystem}\"`);\n }\n\n /**\n * Requests access object and adds it to our list upon success\n * @private\n * @param {string} keySystem System ID (see `KeySystems`)\n * @param {Array<string>} audioCodecs List of required audio codecs to support\n * @param {Array<string>} videoCodecs List of required video codecs to support\n * @throws When a unsupported KeySystem is passed\n */\n private _attemptKeySystemAccess (keySystem: KeySystems, audioCodecs: string[], videoCodecs: string[]) {\n // TODO: add other DRM \"options\"\n\n // This can throw, but is caught in event handler callpath\n const mediaKeySystemConfigs = getSupportedMediaKeySystemConfigurations(keySystem, audioCodecs, videoCodecs);\n\n logger.log('Requesting encrypted media key-system access');\n\n // expecting interface like window.navigator.requestMediaKeySystemAccess\n this.requestMediaKeySystemAccess(keySystem, mediaKeySystemConfigs)\n .then((mediaKeySystemAccess) => {\n this._onMediaKeySystemAccessObtained(keySystem, mediaKeySystemAccess);\n })\n .catch((err) => {\n logger.error(`Failed to obtain key-system \"${keySystem}\" access:`, err);\n });\n }\n\n get requestMediaKeySystemAccess () {\n if (!this._requestMediaKeySystemAccess) {\n throw new Error('No requestMediaKeySystemAccess function configured');\n }\n\n return this._requestMediaKeySystemAccess;\n }\n\n /**\n * Handles obtaining access to a key-system\n * @private\n * @param {string} keySystem\n * @param {MediaKeySystemAccess} mediaKeySystemAccess https://developer.mozilla.org/en-US/docs/Web/API/MediaKeySystemAccess\n */\n private _onMediaKeySystemAccessObtained (keySystem: KeySystems, mediaKeySystemAccess: MediaKeySystemAccess) {\n logger.log(`Access for key-system \"${keySystem}\" obtained`);\n\n const mediaKeysListItem: MediaKeysListItem = {\n mediaKeysSessionInitialized: false,\n mediaKeySystemAccess: mediaKeySystemAccess,\n mediaKeySystemDomain: keySystem\n };\n\n this._mediaKeysList.push(mediaKeysListItem);\n\n mediaKeySystemAccess.createMediaKeys()\n .then((mediaKeys) => {\n mediaKeysListItem.mediaKeys = mediaKeys;\n\n logger.log(`Media-keys created for key-system \"${keySystem}\"`);\n\n this._onMediaKeysCreated();\n })\n .catch((err) => {\n logger.error('Failed to create media-keys:', err);\n });\n }\n\n /**\n * Handles key-creation (represents access to CDM). We are going to create key-sessions upon this\n * for all existing keys where no session exists yet.\n *\n * @private\n */\n private _onMediaKeysCreated () {\n // check for all key-list items if a session exists, otherwise, create one\n this._mediaKeysList.forEach((mediaKeysListItem) => {\n if (!mediaKeysListItem.mediaKeysSession) {\n // mediaKeys is definitely initialized here\n mediaKeysListItem.mediaKeysSession = mediaKeysListItem.mediaKeys!.createSession();\n this._onNewMediaKeySession(mediaKeysListItem.mediaKeysSession);\n }\n });\n }\n\n /**\n * @private\n * @param {*} keySession\n */\n private _onNewMediaKeySession (keySession: MediaKeySession) {\n logger.log(`New key-system session ${keySession.sessionId}`);\n\n keySession.addEventListener('message', (event: MediaKeyMessageEvent) => {\n this._onKeySessionMessage(keySession, event.message);\n }, false);\n }\n\n /**\n * @private\n * @param {MediaKeySession} keySession\n * @param {ArrayBuffer} message\n */\n private _onKeySessionMessage (keySession: MediaKeySession, message: ArrayBuffer) {\n logger.log('Got EME message event, creating license request');\n\n this._requestLicense(message, (data: ArrayBuffer) => {\n logger.log(`Received license data (length: ${data ? data.byteLength : data}), updating key-session`);\n keySession.update(data);\n });\n }\n\n /**\n * @private\n * @param {string} initDataType\n * @param {ArrayBuffer|null} initData\n */\n private _onMediaEncrypted = (e: MediaEncryptedEvent) => {\n logger.log(`Media is encrypted using \"${e.initDataType}\" init data type`);\n\n this._attemptSetMediaKeys();\n this._generateRequestWithPreferredKeySession(e.initDataType, e.initData);\n }\n\n /**\n * @private\n */\n private _attemptSetMediaKeys () {\n if (!this._media) {\n throw new Error('Attempted to set mediaKeys without first attaching a media element');\n }\n\n if (!this._hasSetMediaKeys) {\n // FIXME: see if we can/want/need-to really to deal with several potential key-sessions?\n const keysListItem = this._mediaKeysList[0];\n if (!keysListItem || !keysListItem.mediaKeys) {\n logger.error('Fatal: Media is encrypted but no CDM access or no keys have been obtained yet');\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_KEYS,\n fatal: true\n });\n return;\n }\n\n logger.log('Setting keys for encrypted media');\n\n this._media.setMediaKeys(keysListItem.mediaKeys);\n this._hasSetMediaKeys = true;\n }\n }\n\n /**\n * @private\n */\n private _generateRequestWithPreferredKeySession (initDataType: string, initData: ArrayBuffer | null) {\n // FIXME: see if we can/want/need-to really to deal with several potential key-sessions?\n const keysListItem = this._mediaKeysList[0];\n if (!keysListItem) {\n logger.error('Fatal: Media is encrypted but not any key-system access has been obtained yet');\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_ACCESS,\n fatal: true\n });\n return;\n }\n\n if (keysListItem.mediaKeysSessionInitialized) {\n logger.warn('Key-Session already initialized but requested again');\n return;\n }\n\n const keySession = keysListItem.mediaKeysSession;\n if (!keySession) {\n logger.error('Fatal: Media is encrypted but no key-session existing');\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_SESSION,\n fatal: true\n });\n return;\n }\n\n // initData is null if the media is not CORS-same-origin\n if (!initData) {\n logger.warn('Fatal: initData required for generating a key session is null');\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_INIT_DATA,\n fatal: true\n });\n return;\n }\n\n logger.log(`Generating key-session request for \"${initDataType}\" init data type`);\n keysListItem.mediaKeysSessionInitialized = true;\n\n keySession.generateRequest(initDataType, initData)\n .then(() => {\n logger.debug('Key-session generation succeeded');\n })\n .catch((err) => {\n logger.error('Error generating key-session request:', err);\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_SESSION,\n fatal: false\n });\n });\n }\n\n /**\n * @private\n * @param {string} url License server URL\n * @param {ArrayBuffer} keyMessage Message data issued by key-system\n * @param {function} callback Called when XHR has succeeded\n * @returns {XMLHttpRequest} Unsent (but opened state) XHR object\n * @throws if XMLHttpRequest construction failed\n */\n private _createLicenseXhr (url: string, keyMessage: ArrayBuffer, callback: (data: ArrayBuffer) => void): XMLHttpRequest {\n const xhr = new XMLHttpRequest();\n const licenseXhrSetup = this._licenseXhrSetup;\n\n try {\n if (licenseXhrSetup) {\n try {\n licenseXhrSetup(xhr, url);\n } catch (e) {\n // let's try to open before running setup\n xhr.open('POST', url, true);\n licenseXhrSetup(xhr, url);\n }\n }\n // if licenseXhrSetup did not yet call open, let's do it now\n if (!xhr.readyState) {\n xhr.open('POST', url, true);\n }\n } catch (e) {\n // IE11 throws an exception on xhr.open if attempting to access an HTTP resource over HTTPS\n throw new Error(`issue setting up KeySystem license XHR ${e}`);\n }\n\n // Because we set responseType to ArrayBuffer here, callback is typed as handling only array buffers\n xhr.responseType = 'arraybuffer';\n xhr.onreadystatechange =\n this._onLicenseRequestReadyStageChange.bind(this, xhr, url, keyMessage, callback);\n return xhr;\n }\n\n /**\n * @private\n * @param {XMLHttpRequest} xhr\n * @param {string} url License server URL\n * @param {ArrayBuffer} keyMessage Message data issued by key-system\n * @param {function} callback Called when XHR has succeeded\n */\n private _onLicenseRequestReadyStageChange (xhr: XMLHttpRequest, url: string, keyMessage: ArrayBuffer, callback: (data: ArrayBuffer) => void) {\n switch (xhr.readyState) {\n case 4:\n if (xhr.status === 200) {\n this._requestLicenseFailureCount = 0;\n logger.log('License request succeeded');\n\n if (xhr.responseType !== 'arraybuffer') {\n logger.warn('xhr response type was not set to the expected arraybuffer for license request');\n }\n callback(xhr.response);\n } else {\n logger.error(`License Request XHR failed (${url}). Status: ${xhr.status} (${xhr.statusText})`);\n this._requestLicenseFailureCount++;\n if (this._requestLicenseFailureCount > MAX_LICENSE_REQUEST_FAILURES) {\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_LICENSE_REQUEST_FAILED,\n fatal: true\n });\n return;\n }\n\n const attemptsLeft = MAX_LICENSE_REQUEST_FAILURES - this._requestLicenseFailureCount + 1;\n logger.warn(`Retrying license request, ${attemptsLeft} attempts left`);\n this._requestLicense(keyMessage, callback);\n }\n break;\n }\n }\n\n /**\n * @private\n * @param {MediaKeysListItem} keysListItem\n * @param {ArrayBuffer} keyMessage\n * @returns {ArrayBuffer} Challenge data posted to license server\n * @throws if KeySystem is unsupported\n */\n private _generateLicenseRequestChallenge (keysListItem: MediaKeysListItem, keyMessage: ArrayBuffer): ArrayBuffer {\n switch (keysListItem.mediaKeySystemDomain) {\n // case KeySystems.PLAYREADY:\n // from https://github.com/MicrosoftEdge/Demos/blob/master/eme/scripts/demo.js\n /*\n if (this.licenseType !== this.LICENSE_TYPE_WIDEVINE) {\n // For PlayReady CDMs, we need to dig the Challenge out of the XML.\n var keyMessageXml = new DOMParser().parseFromString(String.fromCharCode.apply(null, new Uint16Array(keyMessage)), 'application/xml');\n if (keyMessageXml.getElementsByTagName('Challenge')[0]) {\n challenge = atob(keyMessageXml.getElementsByTagName('Challenge')[0].childNodes[0].nodeValue);\n } else {\n throw 'Cannot find <Challenge> in key message';\n }\n var headerNames = keyMessageXml.getElementsByTagName('name');\n var headerValues = keyMessageXml.getElementsByTagName('value');\n if (headerNames.length !== headerValues.length) {\n throw 'Mismatched header <name>/<value> pair in key message';\n }\n for (var i = 0; i < headerNames.length; i++) {\n xhr.setRequestHeader(headerNames[i].childNodes[0].nodeValue, headerValues[i].childNodes[0].nodeValue);\n }\n }\n break;\n */\n case KeySystems.WIDEVINE:\n // For Widevine CDMs, the challenge is the keyMessage.\n return keyMessage;\n }\n\n throw new Error(`unsupported key-system: ${keysListItem.mediaKeySystemDomain}`);\n }\n\n /**\n * @private\n * @param keyMessage\n * @param callback\n */\n private _requestLicense (keyMessage: ArrayBuffer, callback: (data: ArrayBuffer) => void) {\n logger.log('Requesting content license for key-system');\n\n const keysListItem = this._mediaKeysList[0];\n if (!keysListItem) {\n logger.error('Fatal error: Media is encrypted but no key-system access has been obtained yet');\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_ACCESS,\n fatal: true\n });\n return;\n }\n\n try {\n const url = this.getLicenseServerUrl(keysListItem.mediaKeySystemDomain);\n const xhr = this._createLicenseXhr(url, keyMessage, callback);\n logger.log(`Sending license request to URL: ${url}`);\n const challenge = this._generateLicenseRequestChallenge(keysListItem, keyMessage);\n xhr.send(challenge);\n } catch (e) {\n logger.error(`Failure requesting DRM license: ${e}`);\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_LICENSE_REQUEST_FAILED,\n fatal: true\n });\n }\n }\n\n onMediaAttached (data: { media: HTMLMediaElement; }) {\n if (!this._emeEnabled) {\n return;\n }\n\n const media = data.media;\n\n // keep reference of media\n this._media = media;\n\n media.addEventListener('encrypted', this._onMediaEncrypted);\n }\n\n onMediaDetached () {\n if (this._media) {\n this._media.removeEventListener('encrypted', this._onMediaEncrypted);\n this._media = null; // release reference\n }\n }\n\n // TODO: Use manifest types here when they are defined\n onManifestParsed (data: any) {\n if (!this._emeEnabled) {\n return;\n }\n\n const audioCodecs = data.levels.map((level) => level.audioCodec);\n const videoCodecs = data.levels.map((level) => level.videoCodec);\n\n this._attemptKeySystemAccess(KeySystems.WIDEVINE, audioCodecs, videoCodecs);\n }\n}\n\nexport default EMEController;\n","/**\n * HLS config\n */\n\nimport AbrController from './controller/abr-controller';\nimport BufferController from './controller/buffer-controller';\nimport CapLevelController from './controller/cap-level-controller';\nimport FPSController from './controller/fps-controller';\nimport XhrLoader from './utils/xhr-loader';\n// import FetchLoader from './utils/fetch-loader';\n\nimport AudioTrackController from './controller/audio-track-controller';\nimport AudioStreamController from './controller/audio-stream-controller';\n\nimport * as Cues from './utils/cues';\nimport TimelineController from './controller/timeline-controller';\nimport SubtitleTrackController from './controller/subtitle-track-controller';\nimport { SubtitleStreamController } from './controller/subtitle-stream-controller';\nimport EMEController from './controller/eme-controller';\nimport { requestMediaKeySystemAccess, MediaKeyFunc } from './utils/mediakeys-helper';\n\ntype ABRControllerConfig = {\n abrEwmaFastLive: number,\n abrEwmaSlowLive: number,\n abrEwmaFastVoD: number,\n abrEwmaSlowVoD: number,\n abrEwmaDefaultEstimate: number,\n abrBandWidthFactor: number,\n abrBandWidthUpFactor: number,\n abrMaxWithRealBitrate: boolean,\n maxStarvationDelay: number,\n maxLoadingDelay: number,\n};\n\nexport type BufferControllerConfig = {\n appendErrorMaxRetry: number,\n liveDurationInfinity: boolean,\n liveBackBufferLength: number,\n};\n\ntype CapLevelControllerConfig = {\n capLevelToPlayerSize: boolean\n};\n\nexport type EMEControllerConfig = {\n licenseXhrSetup?: (xhr: XMLHttpRequest, url: string) => void,\n emeEnabled: boolean,\n widevineLicenseUrl?: string,\n requestMediaKeySystemAccessFunc: MediaKeyFunc | null,\n};\n\ntype FragmentLoaderConfig = {\n fLoader: any, // TODO(typescript-loader): Once Loader is typed fill this in\n\n fragLoadingTimeOut: number,\n fragLoadingMaxRetry: number,\n fragLoadingRetryDelay: number,\n fragLoadingMaxRetryTimeout: number,\n};\n\ntype FPSControllerConfig = {\n capLevelOnFPSDrop: boolean,\n fpsDroppedMonitoringPeriod: number,\n fpsDroppedMonitoringThreshold: number,\n};\n\ntype LevelControllerConfig = {\n startLevel?: number\n};\n\ntype MP4RemuxerConfig = {\n stretchShortVideoTrack: boolean,\n maxAudioFramesDrift: number,\n};\n\ntype PlaylistLoaderConfig = {\n pLoader: any, // TODO(typescript-loader): Once Loader is typed fill this in\n\n manifestLoadingTimeOut: number,\n manifestLoadingMaxRetry: number,\n manifestLoadingRetryDelay: number,\n manifestLoadingMaxRetryTimeout: number,\n\n levelLoadingTimeOut: number,\n levelLoadingMaxRetry: number,\n levelLoadingRetryDelay: number,\n levelLoadingMaxRetryTimeout: number\n};\n\ntype StreamControllerConfig = {\n autoStartLoad: boolean,\n startPosition: number,\n defaultAudioCodec?: string,\n initialLiveManifestSize: number,\n maxBufferLength: number,\n maxBufferSize: number,\n maxBufferHole: number,\n\n lowBufferWatchdogPeriod: number,\n highBufferWatchdogPeriod: number,\n nudgeOffset: number,\n nudgeMaxRetry: number,\n maxFragLookUpTolerance: number,\n liveSyncDurationCount: number,\n liveMaxLatencyDurationCount: number,\n liveSyncDuration?: number,\n liveMaxLatencyDuration?: number,\n maxMaxBufferLength: number,\n\n startFragPrefetch: boolean,\n};\n\ntype TimelineControllerConfig = {\n cueHandler: any, // TODO(typescript-cues): Type once file is done\n enableCEA708Captions: boolean,\n enableWebVTT: boolean,\n captionsTextTrack1Label: string,\n captionsTextTrack1LanguageCode: string,\n captionsTextTrack2Label: string,\n captionsTextTrack2LanguageCode: string,\n};\n\ntype TSDemuxerConfig = {\n forceKeyFrameOnDiscontinuity: boolean,\n};\n\nexport type HlsConfig =\n {\n debug: boolean,\n enableWorker: boolean,\n enableSoftwareAES: boolean,\n minAutoBitrate: number,\n loader: any, // TODO(typescript-xhrloader): Type once XHR is done\n xhrSetup?: (xhr: XMLHttpRequest, url: string) => void,\n\n // Alt Audio\n audioStreamController?: any, // TODO(typescript-audiostreamcontroller): Type once file is done\n audioTrackController?: any, // TODO(typescript-audiotrackcontroller): Type once file is done\n // Subtitle\n subtitleStreamController?: any, // TODO(typescript-subtitlestreamcontroller): Type once file is done\n subtitleTrackController?: any, // TODO(typescript-subtitletrackcontroller): Type once file is done\n timelineController?: any, // TODO(typescript-timelinecontroller): Type once file is done\n // EME\n emeController?: typeof EMEController,\n\n abrController: any, // TODO(typescript-abrcontroller): Type once file is done\n bufferController: typeof BufferController,\n capLevelController: any, // TODO(typescript-caplevelcontroller): Type once file is done\n fpsController: any, // TODO(typescript-fpscontroller): Type once file is done\n } &\n ABRControllerConfig &\n BufferControllerConfig &\n CapLevelControllerConfig &\n EMEControllerConfig &\n FPSControllerConfig &\n FragmentLoaderConfig &\n LevelControllerConfig &\n MP4RemuxerConfig &\n PlaylistLoaderConfig &\n StreamControllerConfig &\n Partial<TimelineControllerConfig> &\n TSDemuxerConfig;\n\n// If possible, keep hlsDefaultConfig shallow\n// It is cloned whenever a new Hls instance is created, by keeping the config\n// shallow the properties are cloned, and we don't end up manipulating the default\nexport const hlsDefaultConfig: HlsConfig = {\n autoStartLoad: true, // used by stream-controller\n startPosition: -1, // used by stream-controller\n defaultAudioCodec: void 0, // used by stream-controller\n debug: false, // used by logger\n capLevelOnFPSDrop: false, // used by fps-controller\n capLevelToPlayerSize: false, // used by cap-level-controller\n initialLiveManifestSize: 1, // used by stream-controller\n maxBufferLength: 30, // used by stream-controller\n maxBufferSize: 60 * 1000 * 1000, // used by stream-controller\n maxBufferHole: 0.5, // used by stream-controller\n\n lowBufferWatchdogPeriod: 0.5, // used by stream-controller\n highBufferWatchdogPeriod: 3, // used by stream-controller\n nudgeOffset: 0.1, // used by stream-controller\n nudgeMaxRetry: 3, // used by stream-controller\n maxFragLookUpTolerance: 0.25, // used by stream-controller\n liveSyncDurationCount: 3, // used by stream-controller\n liveMaxLatencyDurationCount: Infinity, // used by stream-controller\n liveSyncDuration: void 0, // used by stream-controller\n liveMaxLatencyDuration: void 0, // used by stream-controller\n liveDurationInfinity: false, // used by buffer-controller\n liveBackBufferLength: Infinity, // used by buffer-controller\n maxMaxBufferLength: 600, // used by stream-controller\n enableWorker: true, // used by demuxer\n enableSoftwareAES: true, // used by decrypter\n manifestLoadingTimeOut: 10000, // used by playlist-loader\n manifestLoadingMaxRetry: 1, // used by playlist-loader\n manifestLoadingRetryDelay: 1000, // used by playlist-loader\n manifestLoadingMaxRetryTimeout: 64000, // used by playlist-loader\n startLevel: void 0, // used by level-controller\n levelLoadingTimeOut: 10000, // used by playlist-loader\n levelLoadingMaxRetry: 4, // used by playlist-loader\n levelLoadingRetryDelay: 1000, // used by playlist-loader\n levelLoadingMaxRetryTimeout: 64000, // used by playlist-loader\n fragLoadingTimeOut: 20000, // used by fragment-loader\n fragLoadingMaxRetry: 6, // used by fragment-loader\n fragLoadingRetryDelay: 1000, // used by fragment-loader\n fragLoadingMaxRetryTimeout: 64000, // used by fragment-loader\n startFragPrefetch: false, // used by stream-controller\n fpsDroppedMonitoringPeriod: 5000, // used by fps-controller\n fpsDroppedMonitoringThreshold: 0.2, // used by fps-controller\n appendErrorMaxRetry: 3, // used by buffer-controller\n loader: XhrLoader,\n // loader: FetchLoader,\n fLoader: void 0, // used by fragment-loader\n pLoader: void 0, // used by playlist-loader\n xhrSetup: void 0, // used by xhr-loader\n licenseXhrSetup: void 0, // used by eme-controller\n // fetchSetup: void 0,\n abrController: AbrController,\n bufferController: BufferController,\n capLevelController: CapLevelController,\n fpsController: FPSController,\n stretchShortVideoTrack: false, // used by mp4-remuxer\n maxAudioFramesDrift: 1, // used by mp4-remuxer\n forceKeyFrameOnDiscontinuity: true, // used by ts-demuxer\n abrEwmaFastLive: 3, // used by abr-controller\n abrEwmaSlowLive: 9, // used by abr-controller\n abrEwmaFastVoD: 3, // used by abr-controller\n abrEwmaSlowVoD: 9, // used by abr-controller\n abrEwmaDefaultEstimate: 5e5, // 500 kbps // used by abr-controller\n abrBandWidthFactor: 0.95, // used by abr-controller\n abrBandWidthUpFactor: 0.7, // used by abr-controller\n abrMaxWithRealBitrate: false, // used by abr-controller\n maxStarvationDelay: 4, // used by abr-controller\n maxLoadingDelay: 4, // used by abr-controller\n minAutoBitrate: 0, // used by hls\n emeEnabled: false, // used by eme-controller\n widevineLicenseUrl: void 0, // used by eme-controller\n requestMediaKeySystemAccessFunc: requestMediaKeySystemAccess, // used by eme-controller\n\n // Dynamic Modules\n ...timelineConfig(),\n subtitleStreamController: (__USE_SUBTITLES__) ? SubtitleStreamController : void 0,\n subtitleTrackController: (__USE_SUBTITLES__) ? SubtitleTrackController : void 0,\n timelineController: (__USE_SUBTITLES__) ? TimelineController : void 0,\n audioStreamController: (__USE_ALT_AUDIO__) ? AudioStreamController : void 0,\n audioTrackController: (__USE_ALT_AUDIO__) ? AudioTrackController : void 0,\n emeController: (__USE_EME_DRM__) ? EMEController : void 0\n};\n\nfunction timelineConfig (): TimelineControllerConfig {\n if (!__USE_SUBTITLES__) {\n // intentionally doing this over returning Partial<TimelineControllerConfig> above\n // this has the added nice property of still requiring the object below to completely define all props.\n return {} as any;\n }\n return {\n cueHandler: Cues, // used by timeline-controller\n enableCEA708Captions: true, // used by timeline-controller\n enableWebVTT: true, // used by timeline-controller\n captionsTextTrack1Label: 'English', // used by timeline-controller\n captionsTextTrack1LanguageCode: 'en', // used by timeline-controller\n captionsTextTrack2Label: 'Spanish', // used by timeline-controller\n captionsTextTrack2LanguageCode: 'es' // used by timeline-controller\n };\n}\n","import * as URLToolkit from 'url-toolkit';\n\nimport {\n ErrorTypes,\n ErrorDetails\n} from './errors';\n\nimport PlaylistLoader from './loader/playlist-loader';\nimport FragmentLoader from './loader/fragment-loader';\nimport KeyLoader from './loader/key-loader';\n\nimport { FragmentTracker } from './controller/fragment-tracker';\nimport StreamController from './controller/stream-controller';\nimport LevelController from './controller/level-controller';\nimport ID3TrackController from './controller/id3-track-controller';\n\nimport { isSupported } from './is-supported';\nimport { logger, enableLogs } from './utils/logger';\nimport { hlsDefaultConfig, HlsConfig } from './config';\n\nimport HlsEvents from './events';\n\nimport { Observer } from './observer';\n\n/**\n * @module Hls\n * @class\n * @constructor\n */\nexport default class Hls extends Observer {\n public static defaultConfig?: HlsConfig;\n public config: HlsConfig;\n\n private _autoLevelCapping: number;\n private abrController: any;\n private capLevelController: any;\n private levelController: any;\n private streamController: any;\n private networkControllers: any[];\n private audioTrackController: any;\n private subtitleTrackController: any;\n private emeController: any;\n private coreComponents: any[];\n private media: HTMLMediaElement | null = null;\n private url: string | null = null;\n\n /**\n * @type {string}\n */\n static get version (): string {\n return __VERSION__;\n }\n\n /**\n * @type {boolean}\n */\n static isSupported (): boolean {\n return isSupported();\n }\n\n /**\n * @type {HlsEvents}\n */\n static get Events () {\n return HlsEvents;\n }\n\n /**\n * @type {HlsErrorTypes}\n */\n static get ErrorTypes () {\n return ErrorTypes;\n }\n\n /**\n * @type {HlsErrorDetails}\n */\n static get ErrorDetails () {\n return ErrorDetails;\n }\n\n /**\n * @type {HlsConfig}\n */\n static get DefaultConfig (): HlsConfig {\n if (!Hls.defaultConfig) {\n return hlsDefaultConfig;\n }\n\n return Hls.defaultConfig;\n }\n\n /**\n * @type {HlsConfig}\n */\n static set DefaultConfig (defaultConfig: HlsConfig) {\n Hls.defaultConfig = defaultConfig;\n }\n\n /**\n * Creates an instance of an HLS client that can attach to exactly one `HTMLMediaElement`.\n *\n * @constructs Hls\n * @param {HlsConfig} config\n */\n constructor (userConfig: Partial<HlsConfig> = {}) {\n super();\n\n const defaultConfig = Hls.DefaultConfig;\n\n if ((userConfig.liveSyncDurationCount || userConfig.liveMaxLatencyDurationCount) && (userConfig.liveSyncDuration || userConfig.liveMaxLatencyDuration)) {\n throw new Error('Illegal hls.js config: don\\'t mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration');\n }\n\n // Shallow clone\n this.config = {\n ...defaultConfig,\n ...userConfig\n };\n\n const { config } = this;\n\n if (config.liveMaxLatencyDurationCount !== void 0 && config.liveMaxLatencyDurationCount <= config.liveSyncDurationCount) {\n throw new Error('Illegal hls.js config: \"liveMaxLatencyDurationCount\" must be gt \"liveSyncDurationCount\"');\n }\n\n if (config.liveMaxLatencyDuration !== void 0 && (config.liveSyncDuration === void 0 || config.liveMaxLatencyDuration <= config.liveSyncDuration)) {\n throw new Error('Illegal hls.js config: \"liveMaxLatencyDuration\" must be gt \"liveSyncDuration\"');\n }\n\n enableLogs(config.debug);\n\n this._autoLevelCapping = -1;\n\n // core controllers and network loaders\n\n /**\n * @member {AbrController} abrController\n */\n const abrController = this.abrController = new config.abrController(this); // eslint-disable-line new-cap\n const bufferController = new config.bufferController(this); // eslint-disable-line new-cap\n const capLevelController = this.capLevelController = new config.capLevelController(this); // eslint-disable-line new-cap\n const fpsController = new config.fpsController(this); // eslint-disable-line new-cap\n const playListLoader = new PlaylistLoader(this);\n const fragmentLoader = new FragmentLoader(this);\n const keyLoader = new KeyLoader(this);\n const id3TrackController = new ID3TrackController(this);\n\n // network controllers\n\n /**\n * @member {LevelController} levelController\n */\n const levelController = this.levelController = new LevelController(this);\n\n // FIXME: FragmentTracker must be defined before StreamController because the order of event handling is important\n const fragmentTracker = new FragmentTracker(this);\n\n /**\n * @member {StreamController} streamController\n */\n const streamController = this.streamController = new StreamController(this, fragmentTracker);\n\n let networkControllers = [levelController, streamController];\n\n // optional audio stream controller\n /**\n * @var {ICoreComponent | Controller}\n */\n let Controller = config.audioStreamController;\n if (Controller) {\n networkControllers.push(new Controller(this, fragmentTracker));\n }\n\n /**\n * @member {INetworkController[]} networkControllers\n */\n this.networkControllers = networkControllers;\n\n /**\n * @var {ICoreComponent[]}\n */\n const coreComponents = [\n playListLoader,\n fragmentLoader,\n keyLoader,\n abrController,\n bufferController,\n capLevelController,\n fpsController,\n id3TrackController,\n fragmentTracker\n ];\n\n // optional audio track and subtitle controller\n Controller = config.audioTrackController;\n if (Controller) {\n const audioTrackController = new Controller(this);\n\n /**\n * @member {AudioTrackController} audioTrackController\n */\n this.audioTrackController = audioTrackController;\n coreComponents.push(audioTrackController);\n }\n\n Controller = config.subtitleTrackController;\n if (Controller) {\n const subtitleTrackController = new Controller(this);\n\n /**\n * @member {SubtitleTrackController} subtitleTrackController\n */\n this.subtitleTrackController = subtitleTrackController;\n networkControllers.push(subtitleTrackController);\n }\n\n Controller = config.emeController;\n if (Controller) {\n const emeController = new Controller(this);\n\n /**\n * @member {EMEController} emeController\n */\n this.emeController = emeController;\n coreComponents.push(emeController);\n }\n\n // optional subtitle controllers\n Controller = config.subtitleStreamController;\n if (Controller) {\n networkControllers.push(new Controller(this, fragmentTracker));\n }\n Controller = config.timelineController;\n if (Controller) {\n coreComponents.push(new Controller(this));\n }\n\n /**\n * @member {ICoreComponent[]}\n */\n this.coreComponents = coreComponents;\n }\n\n /**\n * Dispose of the instance\n */\n destroy () {\n logger.log('destroy');\n this.trigger(HlsEvents.DESTROYING);\n this.detachMedia();\n this.coreComponents.concat(this.networkControllers).forEach(component => {\n component.destroy();\n });\n this.url = null;\n this.removeAllListeners();\n this._autoLevelCapping = -1;\n }\n\n /**\n * Attach a media element\n * @param {HTMLMediaElement} media\n */\n attachMedia (media: HTMLMediaElement) {\n logger.log('attachMedia');\n this.media = media;\n this.trigger(HlsEvents.MEDIA_ATTACHING, { media: media });\n }\n\n /**\n * Detach from the media\n */\n detachMedia () {\n logger.log('detachMedia');\n this.trigger(HlsEvents.MEDIA_DETACHING);\n this.media = null;\n }\n\n /**\n * Set the source URL. Can be relative or absolute.\n * @param {string} url\n */\n loadSource (url: string) {\n url = URLToolkit.buildAbsoluteURL(window.location.href, url, { alwaysNormalize: true });\n logger.log(`loadSource:${url}`);\n this.url = url;\n // when attaching to a source URL, trigger a playlist load\n this.trigger(HlsEvents.MANIFEST_LOADING, { url: url });\n }\n\n /**\n * Start loading data from the stream source.\n * Depending on default config, client starts loading automatically when a source is set.\n *\n * @param {number} startPosition Set the start position to stream from\n * @default -1 None (from earliest point)\n */\n startLoad (startPosition: number = -1) {\n logger.log(`startLoad(${startPosition})`);\n this.networkControllers.forEach(controller => {\n controller.startLoad(startPosition);\n });\n }\n\n /**\n * Stop loading of any stream data.\n */\n stopLoad () {\n logger.log('stopLoad');\n this.networkControllers.forEach(controller => {\n controller.stopLoad();\n });\n }\n\n /**\n * Swap through possible audio codecs in the stream (for example to switch from stereo to 5.1)\n */\n swapAudioCodec () {\n logger.log('swapAudioCodec');\n this.streamController.swapAudioCodec();\n }\n\n /**\n * When the media-element fails, this allows to detach and then re-attach it\n * as one call (convenience method).\n *\n * Automatic recovery of media-errors by this process is configurable.\n */\n recoverMediaError () {\n logger.log('recoverMediaError');\n let media = this.media;\n this.detachMedia();\n if (media) {\n this.attachMedia(media);\n }\n }\n\n /**\n * @type {QualityLevel[]}\n */\n // todo(typescript-levelController)\n get levels (): any[] {\n return this.levelController.levels;\n }\n\n /**\n * Index of quality level currently played\n * @type {number}\n */\n get currentLevel (): number {\n return this.streamController.currentLevel;\n }\n\n /**\n * Set quality level index immediately .\n * This will flush the current buffer to replace the quality asap.\n * That means playback will interrupt at least shortly to re-buffer and re-sync eventually.\n * @type {number} -1 for automatic level selection\n */\n set currentLevel (newLevel: number) {\n logger.log(`set currentLevel:${newLevel}`);\n this.loadLevel = newLevel;\n this.streamController.immediateLevelSwitch();\n }\n\n /**\n * Index of next quality level loaded as scheduled by stream controller.\n * @type {number}\n */\n get nextLevel (): number {\n return this.streamController.nextLevel;\n }\n\n /**\n * Set quality level index for next loaded data.\n * This will switch the video quality asap, without interrupting playback.\n * May abort current loading of data, and flush parts of buffer (outside currently played fragment region).\n * @type {number} -1 for automatic level selection\n */\n set nextLevel (newLevel: number) {\n logger.log(`set nextLevel:${newLevel}`);\n this.levelController.manualLevel = newLevel;\n this.streamController.nextLevelSwitch();\n }\n\n /**\n * Return the quality level of the currently or last (of none is loaded currently) segment\n * @type {number}\n */\n get loadLevel (): number {\n return this.levelController.level;\n }\n\n /**\n * Set quality level index for next loaded data in a conservative way.\n * This will switch the quality without flushing, but interrupt current loading.\n * Thus the moment when the quality switch will appear in effect will only be after the already existing buffer.\n * @type {number} newLevel -1 for automatic level selection\n */\n set loadLevel (newLevel: number) {\n logger.log(`set loadLevel:${newLevel}`);\n this.levelController.manualLevel = newLevel;\n }\n\n /**\n * get next quality level loaded\n * @type {number}\n */\n get nextLoadLevel (): number {\n return this.levelController.nextLoadLevel;\n }\n\n /**\n * Set quality level of next loaded segment in a fully \"non-destructive\" way.\n * Same as `loadLevel` but will wait for next switch (until current loading is done).\n * @type {number} level\n */\n set nextLoadLevel (level: number) {\n this.levelController.nextLoadLevel = level;\n }\n\n /**\n * Return \"first level\": like a default level, if not set,\n * falls back to index of first level referenced in manifest\n * @type {number}\n */\n get firstLevel (): number {\n return Math.max(this.levelController.firstLevel, this.minAutoLevel);\n }\n\n /**\n * Sets \"first-level\", see getter.\n * @type {number}\n */\n set firstLevel (newLevel: number) {\n logger.log(`set firstLevel:${newLevel}`);\n this.levelController.firstLevel = newLevel;\n }\n\n /**\n * Return start level (level of first fragment that will be played back)\n * if not overrided by user, first level appearing in manifest will be used as start level\n * if -1 : automatic start level selection, playback will start from level matching download bandwidth\n * (determined from download of first segment)\n * @type {number}\n */\n get startLevel (): number {\n return this.levelController.startLevel;\n }\n\n /**\n * set start level (level of first fragment that will be played back)\n * if not overrided by user, first level appearing in manifest will be used as start level\n * if -1 : automatic start level selection, playback will start from level matching download bandwidth\n * (determined from download of first segment)\n * @type {number} newLevel\n */\n set startLevel (newLevel: number) {\n logger.log(`set startLevel:${newLevel}`);\n // if not in automatic start level detection, ensure startLevel is greater than minAutoLevel\n if (newLevel !== -1) {\n newLevel = Math.max(newLevel, this.minAutoLevel);\n }\n\n this.levelController.startLevel = newLevel;\n }\n\n /**\n * set dynamically set capLevelToPlayerSize against (`CapLevelController`)\n *\n * @type {boolean}\n */\n set capLevelToPlayerSize (shouldStartCapping: boolean) {\n const newCapLevelToPlayerSize = !!shouldStartCapping;\n\n if (newCapLevelToPlayerSize !== this.config.capLevelToPlayerSize) {\n if (newCapLevelToPlayerSize) {\n this.capLevelController.startCapping(); // If capping occurs, nextLevelSwitch will happen based on size.\n } else {\n this.capLevelController.stopCapping();\n this.autoLevelCapping = -1;\n this.streamController.nextLevelSwitch(); // Now we're uncapped, get the next level asap.\n }\n\n this.config.capLevelToPlayerSize = newCapLevelToPlayerSize;\n }\n }\n\n /**\n * Capping/max level value that should be used by automatic level selection algorithm (`ABRController`)\n * @type {number}\n */\n get autoLevelCapping (): number {\n return this._autoLevelCapping;\n }\n\n /**\n * get bandwidth estimate\n * @type {number}\n */\n get bandwidthEstimate (): number {\n const bwEstimator = this.abrController._bwEstimator;\n return bwEstimator ? bwEstimator.getEstimate() : NaN;\n }\n\n /**\n * Capping/max level value that should be used by automatic level selection algorithm (`ABRController`)\n * @type {number}\n */\n set autoLevelCapping (newLevel: number) {\n logger.log(`set autoLevelCapping:${newLevel}`);\n this._autoLevelCapping = newLevel;\n }\n\n /**\n * True when automatic level selection enabled\n * @type {boolean}\n */\n get autoLevelEnabled (): boolean {\n return (this.levelController.manualLevel === -1);\n }\n\n /**\n * Level set manually (if any)\n * @type {number}\n */\n get manualLevel (): number {\n return this.levelController.manualLevel;\n }\n\n /**\n * min level selectable in auto mode according to config.minAutoBitrate\n * @type {number}\n */\n get minAutoLevel (): number {\n const { levels, config: { minAutoBitrate } } = this;\n const len = levels ? levels.length : 0;\n\n for (let i = 0; i < len; i++) {\n const levelNextBitrate = levels[i].realBitrate\n ? Math.max(levels[i].realBitrate, levels[i].bitrate)\n : levels[i].bitrate;\n\n if (levelNextBitrate > minAutoBitrate) {\n return i;\n }\n }\n\n return 0;\n }\n\n /**\n * max level selectable in auto mode according to autoLevelCapping\n * @type {number}\n */\n get maxAutoLevel (): number {\n const { levels, autoLevelCapping } = this;\n\n let maxAutoLevel;\n if (autoLevelCapping === -1 && levels && levels.length) {\n maxAutoLevel = levels.length - 1;\n } else {\n maxAutoLevel = autoLevelCapping;\n }\n\n return maxAutoLevel;\n }\n\n /**\n * next automatically selected quality level\n * @type {number}\n */\n get nextAutoLevel (): number {\n // ensure next auto level is between min and max auto level\n return Math.min(Math.max(this.abrController.nextAutoLevel, this.minAutoLevel), this.maxAutoLevel);\n }\n\n /**\n * this setter is used to force next auto level.\n * this is useful to force a switch down in auto mode:\n * in case of load error on level N, hls.js can set nextAutoLevel to N-1 for example)\n * forced value is valid for one fragment. upon succesful frag loading at forced level,\n * this value will be resetted to -1 by ABR controller.\n * @type {number}\n */\n set nextAutoLevel (nextLevel: number) {\n this.abrController.nextAutoLevel = Math.max(this.minAutoLevel, nextLevel);\n }\n\n /**\n * @type {AudioTrack[]}\n */\n // todo(typescript-audioTrackController)\n get audioTracks (): any[] {\n const audioTrackController = this.audioTrackController;\n return audioTrackController ? audioTrackController.audioTracks : [];\n }\n\n /**\n * index of the selected audio track (index in audio track lists)\n * @type {number}\n */\n get audioTrack (): number {\n const audioTrackController = this.audioTrackController;\n return audioTrackController ? audioTrackController.audioTrack : -1;\n }\n\n /**\n * selects an audio track, based on its index in audio track lists\n * @type {number}\n */\n set audioTrack (audioTrackId: number) {\n const audioTrackController = this.audioTrackController;\n if (audioTrackController) {\n audioTrackController.audioTrack = audioTrackId;\n }\n }\n\n /**\n * @type {Seconds}\n */\n get liveSyncPosition (): number {\n return this.streamController.liveSyncPosition;\n }\n\n /**\n * get alternate subtitle tracks list from playlist\n * @type {SubtitleTrack[]}\n */\n // todo(typescript-subtitleTrackController)\n get subtitleTracks (): any[] {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleTracks : [];\n }\n\n /**\n * index of the selected subtitle track (index in subtitle track lists)\n * @type {number}\n */\n get subtitleTrack (): number {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleTrack : -1;\n }\n\n /**\n * select an subtitle track, based on its index in subtitle track lists\n * @type {number}\n */\n set subtitleTrack (subtitleTrackId: number) {\n const subtitleTrackController = this.subtitleTrackController;\n if (subtitleTrackController) {\n subtitleTrackController.subtitleTrack = subtitleTrackId;\n }\n }\n\n /**\n * @type {boolean}\n */\n get subtitleDisplay (): boolean {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleDisplay : false;\n }\n\n /**\n * Enable/disable subtitle display rendering\n * @type {boolean}\n */\n set subtitleDisplay (value: boolean) {\n const subtitleTrackController = this.subtitleTrackController;\n if (subtitleTrackController) {\n subtitleTrackController.subtitleDisplay = value;\n }\n }\n}\n","import { getMediaSource } from './utils/mediasource-helper';\n\nexport function isSupported (): boolean {\n const mediaSource = getMediaSource();\n if (!mediaSource) {\n return false;\n }\n const sourceBuffer = self.SourceBuffer || (self as any).WebKitSourceBuffer as SourceBuffer;\n const isTypeSupported = mediaSource &&\n typeof mediaSource.isTypeSupported === 'function' &&\n mediaSource.isTypeSupported('video/mp4; codecs=\"avc1.42E01E,mp4a.40.2\"');\n\n // if SourceBuffer is exposed ensure its API is valid\n // safari and old version of Chrome doe not expose SourceBuffer globally so checking SourceBuffer.prototype is impossible\n const sourceBufferValidAPI = !sourceBuffer ||\n (sourceBuffer.prototype &&\n typeof sourceBuffer.prototype.appendBuffer === 'function' &&\n typeof sourceBuffer.prototype.remove === 'function');\n return !!isTypeSupported && !!sourceBufferValidAPI;\n}\n"],"sourceRoot":""} \ No newline at end of file +{"version":3,"sources":["webpack://Hls/webpack/universalModuleDefinition","webpack://Hls/webpack/bootstrap","webpack://Hls/./src/utils/logger.js","webpack://Hls/./src/events.js","webpack://Hls/./src/errors.ts","webpack://Hls/./src/polyfills/number-isFinite.js","webpack://Hls/./src/utils/timescale-conversion.ts","webpack://Hls/./src/demux/id3.js","webpack://Hls/./src/utils/get-self-scope.js","webpack://Hls/./node_modules/url-toolkit/src/url-toolkit.js","webpack://Hls/./src/crypt/aes-crypto.js","webpack://Hls/./src/crypt/fast-aes-key.js","webpack://Hls/./src/crypt/aes-decryptor.js","webpack://Hls/./src/crypt/decrypter.js","webpack://Hls/./src/remux/aac-helper.js","webpack://Hls/./src/remux/mp4-generator.js","webpack://Hls/./src/remux/mp4-remuxer.js","webpack://Hls/./node_modules/eventemitter3/index.js","webpack://Hls/./src/demux/adts.js","webpack://Hls/./src/demux/demuxer-inline.js","webpack://Hls/./src/demux/aacdemuxer.js","webpack://Hls/./src/demux/mpegaudio.js","webpack://Hls/./src/demux/exp-golomb.js","webpack://Hls/./src/demux/sample-aes.js","webpack://Hls/./src/demux/tsdemuxer.js","webpack://Hls/./src/demux/mp3demuxer.js","webpack://Hls/./src/remux/passthrough-remuxer.js","webpack://Hls/./src/demux/mp4demuxer.js","webpack://Hls/./node_modules/webworkify-webpack/index.js","webpack://Hls/./src/demux/demuxer-worker.js","webpack://Hls/./src/types/loader.ts","webpack://Hls/./src/event-handler.ts","webpack://Hls/./src/loader/fragment.ts","webpack://Hls/./src/loader/level-key.ts","webpack://Hls/./src/loader/level.js","webpack://Hls/./src/utils/attr-list.js","webpack://Hls/./src/utils/codecs.ts","webpack://Hls/./src/loader/m3u8-parser.ts","webpack://Hls/./src/loader/playlist-loader.ts","webpack://Hls/./src/loader/fragment-loader.js","webpack://Hls/./src/loader/key-loader.ts","webpack://Hls/./src/controller/fragment-tracker.js","webpack://Hls/./src/utils/binary-search.ts","webpack://Hls/./src/utils/buffer-helper.ts","webpack://Hls/./src/utils/mediasource-helper.ts","webpack://Hls/./src/observer.ts","webpack://Hls/./src/demux/demuxer.js","webpack://Hls/./src/controller/level-helper.js","webpack://Hls/./src/utils/time-ranges.ts","webpack://Hls/./src/utils/discontinuities.js","webpack://Hls/./src/controller/fragment-finders.ts","webpack://Hls/./src/controller/gap-controller.js","webpack://Hls/./src/task-loop.ts","webpack://Hls/./src/controller/base-stream-controller.js","webpack://Hls/./src/controller/stream-controller.js","webpack://Hls/./src/controller/level-controller.js","webpack://Hls/./src/utils/texttrack-utils.ts","webpack://Hls/./src/controller/id3-track-controller.js","webpack://Hls/./src/utils/ewma.ts","webpack://Hls/./src/utils/ewma-bandwidth-estimator.ts","webpack://Hls/./src/controller/abr-controller.js","webpack://Hls/./src/controller/buffer-controller.ts","webpack://Hls/./src/controller/cap-level-controller.js","webpack://Hls/./src/controller/fps-controller.js","webpack://Hls/./src/utils/xhr-loader.js","webpack://Hls/./src/controller/audio-track-controller.js","webpack://Hls/./src/controller/audio-stream-controller.js","webpack://Hls/./src/utils/vttcue.js","webpack://Hls/./src/utils/vttparser.js","webpack://Hls/./src/utils/cues.ts","webpack://Hls/./src/utils/cea-608-parser.ts","webpack://Hls/./src/utils/output-filter.ts","webpack://Hls/./src/utils/webvtt-parser.ts","webpack://Hls/./src/controller/timeline-controller.ts","webpack://Hls/./src/controller/subtitle-track-controller.js","webpack://Hls/./src/utils/mediakeys-helper.ts","webpack://Hls/./src/controller/subtitle-stream-controller.js","webpack://Hls/./src/controller/eme-controller.ts","webpack://Hls/./src/config.ts","webpack://Hls/./src/hls.ts","webpack://Hls/./src/is-supported.ts"],"names":["root","factory","exports","module","define","amd","this","enumerable","get","getter","value","key","bind","Object","prototype","hasOwnProperty","call","object","property","noop","fakeLogger","trace","debug","log","warn","info","error","exportedLogger","formatMsg","type","msg","global","getSelfScope","consolePrintFn","func","console","args","apply","enableLogs","debugConfig","functions","forEach","exportLoggerFunctions","e","logger","HlsEvents","MEDIA_ATTACHING","MEDIA_ATTACHED","MEDIA_DETACHING","MEDIA_DETACHED","BUFFER_RESET","BUFFER_CODECS","BUFFER_CREATED","BUFFER_APPENDING","BUFFER_APPENDED","BUFFER_EOS","BUFFER_FLUSHING","BUFFER_FLUSHED","MANIFEST_LOADING","MANIFEST_LOADED","MANIFEST_PARSED","LEVEL_SWITCHING","LEVEL_SWITCHED","LEVEL_LOADING","LEVEL_LOADED","LEVEL_UPDATED","LEVEL_PTS_UPDATED","LIVE_BACK_BUFFER_REACHED","AUDIO_TRACKS_UPDATED","AUDIO_TRACK_SWITCHING","AUDIO_TRACK_SWITCHED","AUDIO_TRACK_LOADING","AUDIO_TRACK_LOADED","SUBTITLE_TRACKS_UPDATED","SUBTITLE_TRACK_SWITCH","SUBTITLE_TRACK_LOADING","SUBTITLE_TRACK_LOADED","SUBTITLE_FRAG_PROCESSED","INIT_PTS_FOUND","FRAG_LOADING","FRAG_LOAD_PROGRESS","FRAG_LOAD_EMERGENCY_ABORTED","FRAG_LOADED","FRAG_DECRYPTED","FRAG_PARSING_INIT_SEGMENT","FRAG_PARSING_USERDATA","FRAG_PARSING_METADATA","FRAG_PARSING_DATA","FRAG_PARSED","FRAG_BUFFERED","FRAG_CHANGED","FPS_DROP","FPS_DROP_LEVEL_CAPPING","ERROR","DESTROYING","KEY_LOADING","KEY_LOADED","STREAM_STATE_TRANSITION","CAN_PLAY_AFTER_SEEK","ErrorTypes","ErrorDetails","isFiniteNumber","Number","isFinite","toTimescaleFromBase","destScale","srcBase","round","result","Math","toMsFromMpegTsClock","toMpegTsClockFromTimescale","srcScale","decoder","ID3","isHeader","data","offset","length","isFooter","getID3Data","front","_readSize","subarray","size","getTimeStamp","frames","getID3Frames","i","frame","isTimeStampFrame","_readTimeStamp","_getFrameData","String","fromCharCode","id3Data","end","frameData","_decodeFrame","push","_decodePrivFrame","_decodeTextFrame","_decodeURLFrame","timeStampFrame","byteLength","Uint8Array","pts33Bit","timestamp","owner","_utf8ArrayToStr","privateData","buffer","index","description","text","url","array","exitOnNull","getTextDecoder","decoded","decode","idx","indexOf","substring","replace","c","char2","char3","len","out","TextDecoder","utf8ArrayToStr","window","self","URL_REGEX","FIRST_SEGMENT_REGEX","SLASH_DOT_REGEX","SLASH_DOT_DOT_REGEX","URLToolkit","buildAbsoluteURL","baseURL","relativeURL","opts","trim","alwaysNormalize","basePartsForNormalise","parseURL","Error","path","normalizePath","buildURLFromParts","relativeParts","scheme","baseParts","netLoc","pathParts","exec","builtParts","params","query","fragment","baseURLPath","newPath","lastIndexOf","parts","split","reverse","join","AESCrypto","subtle","iv","aesIV","decrypt","name","FastAESKey","expandKey","importKey","AESDecryptor","rcon","subMix","Uint32Array","invSubMix","sBox","invSBox","initTable","uint8ArrayToUint32Array_","arrayBuffer","view","DataView","newArray","getUint32","subMix0","subMix1","subMix2","subMix3","invSubMix0","invSubMix1","invSubMix2","invSubMix3","d","x","xi","sx","x2","x4","x8","t","keyBuffer","sameKey","keySize","ksRow","invKsRow","prev","ksRows","keySchedule","invKeySchedule","sbox","networkToHostOrderSwap","word","inputArrayBuffer","removePKCS7Padding","t0","t1","t2","t3","s0","s1","s2","s3","inputWords0","inputWords1","inputWords2","inputWords3","outputBytes","paddingBytes","nRounds","invSBOX","initVector","initVector0","initVector1","initVector2","initVector3","inputInt32","Int32Array","outputInt32","swapWord","getUint8","slice","destroy","undefined","Decrypter","observer","config","logEnabled","browserCrypto","crypto","webkitSubtle","disableWebCrypto","isSync","enableSoftwareAES","callback","decryptor","fastAesKey","then","aesKey","catch","err","onWebCryptoError","message","trigger","Event","MEDIA_ERROR","details","FRAG_DECRYPT_ERROR","fatal","reason","AAC","getSilentFrame","codec","channelCount","UINT32_MAX","pow","MP4","init","types","avc1","avcC","btrt","dinf","dref","esds","ftyp","hdlr","mdat","mdhd","mdia","mfhd","minf","moof","moov","mp4a","mvex","mvhd","pasp","sdtp","stbl","stco","stsc","stsd","stsz","stts","tfdt","tfhd","traf","trak","trun","trex","tkhd","vmhd","smhd","charCodeAt","videoHdlr","audioHdlr","HDLR_TYPES","STTS","STSC","STCO","STSZ","VMHD","SMHD","STSD","majorBrand","avc1Brand","minorVersion","FTYP","box","DINF","payload","Array","arguments","set","timescale","duration","upperWordDuration","floor","lowerWordDuration","track","sequenceNumber","sn","baseMediaDecodeTime","tracks","boxes","concat","bytes","flags","samples","dependsOn","isDependedOn","hasRedundancy","sps","pps","avcc","width","height","hSpacing","pixelRatio","vSpacing","configlen","samplerate","mp3","isAAC","id","sampleDependencyTable","upperWordBaseMediaDecodeTime","lowerWordBaseMediaDecodeTime","sample","cts","arraylen","isLeading","paddingValue","isNonSync","degradPrio","initSegment","movie","MAX_SILENT_FRAME_DURATION_90KHZ","PTS_DTS_SHIFT_TOLERANCE_90KHZ","MP4Remuxer","typeSupported","vendor","userAgent","navigator","isSafari","match","ISGenerated","resetTimeStamp","defaultTimeStamp","_initPTS","_initDTS","resetInitSegment","remux","audioTrack","videoTrack","id3Track","textTrack","timeOffset","contiguous","accurateTimeOffset","generateIS","nbAudioSamples","nbVideoSamples","audioTimeOffset","videoTimeOffset","audiovideoDeltaDts","pts","inputTimeScale","max","audioTrackLength","audioData","remuxAudio","endPTS","startPTS","remuxVideo","videoData","remuxEmptyAudio","remuxID3","remuxText","initPTS","initDTS","audioSamples","videoSamples","container","computePTSDTS","Infinity","mpeg","audio","metadata","video","min","dts","keys","FRAG_PARSING_ERROR","mp4SampleDuration","firstPTS","firstDTS","lastPTS","lastDTS","timeScale","inputSamples","outputSamples","nbSamples","ptsNormalize","_PTSNormalize","nextAvcDts","abs","sort","a","b","deltadts","deltapts","PTSDTSshift","reduce","curr","delta","nbNalu","naluLen","units","nbUnits","sampleLen","j","mdatSize","MUX_ERROR","REMUX_ALLOC_ERROR","setUint32","avcSample","avcSampleUnits","mp4SampleLength","compositionTimeOffset","unit","unitData","unitDataLen","lastFrameDuration","stretchShortVideoTrack","maxBufferHole","gapTolerance","deltaToFrameEnd","nextAudioPts","dropped","toLowerCase","data1","data2","startDTS","endDTS","hasAudio","hasVideo","nb","mp4Sample","fillFrame","mp4timeScale","scaleFactor","inputSampleDuration","rawMPEG","filter","maxAudioFramesDrift","nextPts","splice","missing","newStamp","manifestCodec","audioSample","numMissingFrames","unitLen","lastSampleDuration","start","frameDuration","ceil","silentFrame","stamp","reference","normalizePts","has","prefix","Events","EE","fn","context","once","addListener","emitter","event","TypeError","listener","evt","_events","_eventsCount","clearEvent","EventEmitter","create","__proto__","eventNames","events","names","getOwnPropertySymbols","listeners","handlers","l","ee","listenerCount","emit","a1","a2","a3","a4","a5","removeListener","on","removeAllListeners","off","prefixed","isHeaderPattern","getHeaderLength","getFullFrameLength","probe","frameLength","newOffset","initTrackConfig","audioCodec","adtsObjectType","adtsSampleingIndex","adtsExtensionSampleingIndex","adtsChanelConfig","adtsSampleingRates","test","getAudioConfig","getFrameDuration","appendFrame","frameIndex","header","headerLength","parseFrameHeader","aacSample","now","AACDemuxer","remuxer","videoCodec","_audioTrack","ADTS","append","id3Samples","MpegAudio","BitratesMap","SamplingRateMap","SamplesCoefficients","BytesInSlot","parseHeader","samplesPerFrame","sampleRate","headerB","headerC","headerE","headerF","headerG","columnInBitrates","bitRate","columnInSampleRates","sampleCoefficient","bytesInSlot","parseInt","ExpGolomb","bytesAvailable","bitsAvailable","loadWord","position","workingBytes","availableBytes","skipBits","count","skipBytes","readBits","bits","valu","skipLZ","leadingZeroCount","skipUEG","skipEG","readUEG","clz","readEG","readBoolean","readUByte","readUShort","readUInt","skipScalingList","lastScale","nextScale","readSPS","profileIdc","numRefFramesInPicOrderCntCycle","picWidthInMbsMinus1","picHeightInMapUnitsMinus1","frameMbsOnlyFlag","scalingListCount","frameCropLeftOffset","frameCropRightOffset","frameCropTopOffset","frameCropBottomOffset","chromaFormatIdc","picOrderCntType","readSliceType","SampleAesDecrypter","decryptdata","discardEPB","decrypter","decryptBuffer","encryptedData","decryptAacSample","sampleIndex","sync","curUnit","encryptedBuffer","byteOffset","localthis","decryptedData","decryptAacSamples","getAvcEncryptedData","decodedData","encryptedDataLen","Int8Array","outputPos","inputPos","getAvcDecryptedUnit","decryptAvcSample","unitIndex","decryptAvcSamples","curUnits","RemuxerTrackIdConfig","id3","TSDemuxer","sampleAes","setDecryptData","method","syncOffset","_syncOffset","scanwindow","createTrack","pid","pmtParsed","_pmtId","_avcTrack","_id3Track","_txtTrack","aacOverFlow","aacLastPTS","_duration","stt","pes","unknownPIDs","avcTrack","avcId","audioId","id3Id","pmtId","avcData","pesData","parsePAT","_parsePAT","parsePMT","_parsePMT","parsePES","_parsePES","parseAVCPES","_parseAVCPES","parseAACPES","_parseAACPES","parseMPEGPES","_parseMPEGPES","parseID3PES","_parseID3PES","parsedPIDs","avc","decryptAndRemux","decryptAndRemuxAvc","mpegSupported","isSampleAes","tableEnd","stream","frag","pesFlags","pesLen","pesHdrLen","pesPts","pesDts","payloadStartOffset","newData","dataLen","pushAccesUnit","isNaN","lastSample","forceKeyFrameOnDiscontinuity","last","expGolombDecoder","_parseAVCNALu","spsfound","createAVCSample","audFound","sliceType","payloadType","payloadSize","endOfCaptions","firstByte","totalCCs","byteArray","_insertSampleInOrder","uuidStrArray","toString","userDataPayloadBytes","uuid","userDataBytes","userData","codecarray","codecstring","h","arr","pos","_getLastNalUnit","lastUnit","overflow","lastUnitType","state","naluState","lastState","lastUnitStart","tmp","newLength","EPBPositions","sourceIndex","shift","newPTS","MP3Demuxer","PassThroughRemuxer","rawData","streamType","performance","Date","DemuxerInline","demuxer","discontinuity","trackSwitch","defaultInitPTS","startTime","endTime","stats","tstart","tdecrypt","pushDecrypted","muxConfig","demux","MP4Demuxer","mux","initData","parseInitSegment","audiovideo","findBox","bin2str","readUint16","val","readUint32","writeUint32","subresults","endbox","results","parseSegmentIndex","references","moovEndOffset","sidx","version","startByte","referencesCount","referenceIndex","referenceInfo","referenceSize","subsegmentDuration","earliestPresentationTime","trackId","codecBox","codecType","getStartDTS","trafs","baseTimes","map","scale","offsetStartDTS","upper","lower","webpackBootstrapFunc","modules","installedModules","__webpack_require__","moduleId","m","o","defineProperty","configurable","r","n","__esModule","p","oe","f","s","ENTRY_MODULE","default","dependencyRegExp","quoteRegExp","str","getModuleDependencies","sources","queueName","retval","fnString","wrapperSignature","webpackRequireName","re","RegExp","hasValuesInQueues","queues","hasValues","options","main","requiredModules","all","modulesQueue","seenModules","moduleToCheck","pop","newModules","newModulesKeys","getRequiredModules","src","entryModule","JSON","stringify","blob","Blob","bare","workerUrl","URL","webkitURL","mozURL","msURL","createObjectURL","worker","Worker","objectURL","DemuxerWorker","forwardMessage","ev","postMessage","addEventListener","cmd","parse","transferable","PlaylistContextType","PlaylistLevelType","FORBIDDEN_EVENT_NAMES","EventHandler","hls","handledEvents","useGenericHandler","onEvent","registerListeners","onHandlerDestroying","unregisterListeners","onHandlerDestroyed","isEventHandler","onEventGeneric","funcName","constructor","OTHER_ERROR","INTERNAL_EXCEPTION","ElementaryStreamTypes","LevelKey","baseURI","relativeURI","_uri","baseuri","reluri","Fragment","_url","_byteRange","_decryptdata","_elementaryStreams","AUDIO","VIDEO","deltaPTS","rawProgramDateTime","programDateTime","title","tagList","cc","relurl","baseurl","urlId","level","levelkey","loader","setByteRange","previousFrag","byteRange","byteRangeEndOffset","addElementaryStream","hasElementaryStream","createInitializationVector","segmentNumber","uint8View","setDecryptDataFromLevelKey","uri","Level","baseUrl","endCC","endSN","fragments","live","needSidxRanges","startCC","startSN","startTimeOffset","targetduration","totalduration","DECIMAL_RESOLUTION_REGEX","ATTR_LIST_REGEX","AttrList","attrs","attr","parseAttrList","decimalInteger","attrName","intValue","MAX_SAFE_INTEGER","hexadecimalInteger","stringValue","hexadecimalIntegerAsNumber","decimalFloatingPoint","parseFloat","enumeratedString","decimalResolution","res","input","lastIndex","sampleEntryCodesISO","isCodecSupportedInMp4","MediaSource","isTypeSupported","MASTER_PLAYLIST_REGEX","MASTER_PLAYLIST_MEDIA_REGEX","LEVEL_PLAYLIST_REGEX_FAST","source","LEVEL_PLAYLIST_REGEX_SLOW","MP4_REGEX_SUFFIX","M3U8Parser","findGroup","groups","mediaGroupId","group","convertAVC1ToAVCOTI","avcdata","substr","resolve","parseMasterPlaylist","string","levels","setCodecs","codecs","filtered","typeCodes","isCodecType","preferred","unknownCodecs","resolution","bitrate","NAME","CODECS","parseMasterPlaylistMedia","audioGroups","medias","TYPE","media","groupId","LANGUAGE","DEFAULT","autoselect","AUTOSELECT","forced","FORCED","lang","URI","groupCodec","parseLevelPlaylist","levelUrlId","currentSN","discontinuityCounter","prevFrag","firstPdtIndex","assignProgramDateTime","value1","value2","toUpperCase","keyAttrs","decryptmethod","decrypturi","decryptiv","mapAttrs","BYTERANGE","averagetargetduration","every","startIndex","fragPrev","backfillProgramDateTimes","endProgramDateTime","PlaylistLoader","loaders","canHaveQualityLevels","AUDIO_TRACK","SUBTITLE_TRACK","mapContextToLevelType","SUBTITLE","MAIN","getResponseUrl","response","createInternalLoader","PLoader","pLoader","Loader","getInternalLoader","resetInternalLoader","contextType","destroyInternalLoaders","onManifestLoading","load","MANIFEST","responseType","onLevelLoading","LEVEL","onAudioTrackLoading","onSubtitleTrackLoading","maxRetry","timeout","retryDelay","maxRetryDelay","loaderContext","abort","manifestLoadingMaxRetry","manifestLoadingTimeOut","manifestLoadingRetryDelay","manifestLoadingMaxRetryTimeout","levelLoadingTimeOut","levelLoadingMaxRetry","levelLoadingRetryDelay","levelLoadingMaxRetryTimeout","loaderConfig","loaderCallbacks","onSuccess","loadsuccess","onError","loaderror","onTimeout","loadtimeout","networkDetails","isSidxRequest","_handleSidxRequest","_handlePlaylistLoaded","tload","_handleTrackOrLevelPlaylist","_handleMasterPlaylist","_handleManifestParsingError","_handleNetworkError","audioTracks","subtitles","embeddedAudioFound","unshift","levelId","levelType","levelDetails","singleLevel","tparsed","sidxUrl","rangeStart","rangeEnd","sidxInfo","sidxReferences","segmentRef","segRefInfo","NETWORK_ERROR","MANIFEST_PARSING_ERROR","MANIFEST_LOAD_TIMEOUT","MANIFEST_LOAD_ERROR","LEVEL_LOAD_TIMEOUT","LEVEL_LOAD_ERROR","AUDIO_TRACK_LOAD_TIMEOUT","AUDIO_TRACK_LOAD_ERROR","errorData","FragmentLoader","loaderName","onFragLoading","FragmentILoader","fLoader","DefaultILoader","loaded","progressData","byteRangeStartOffset","fragLoadingTimeOut","fragLoadingMaxRetryTimeout","onProgress","loadprogress","FRAG_LOAD_ERROR","FRAG_LOAD_TIMEOUT","KeyLoader","decryptkey","decrypturl","onKeyLoading","fragLoadingRetryDelay","KEY_LOAD_ERROR","KEY_LOAD_TIMEOUT","FragmentState","FragmentTracker","bufferPadding","timeRanges","getBufferedFrag","bufferedFrags","fragmentEntity","body","buffered","bufferedFragKey","detectEvictedFragments","elementaryStream","timeRange","fragmentTimes","time","esData","range","isTimeBuffered","removeFragment","detectPartialFragments","fragKey","getFragmentKey","getBufferedTimes","fragmentPartial","partial","getPartialFragment","timePadding","bestFragment","bestOverlap","isPartial","getState","onFragLoaded","bitrateTest","onBufferAppended","onFragBuffered","hasFragment","removeAllFragments","BinarySearch","search","list","comparisonFn","minIndex","maxIndex","currentIndex","currentElement","comparisonResult","BufferHelper","isBuffered","bufferInfo","maxHoleDuration","vbuffered","bufferedInfo","nextStart","diff","buffered2","buf2len","buf2end","bufferStartNext","bufferLen","bufferStart","bufferEnd","getBufferedPosWithinTolerance","maxFragLookUpTolerance","currentTime","getMediaSource","WebKitMediaSource","Observer","Demuxer","mp4","enableWorker","w","work","onwmsg","onWorkerMessage","onerror","filename","lineno","revokeObjectURL","removeEventListener","terminate","lastFrag","nextSN","ArrayBuffer","addGroupId","audioGroupIds","textGroupIds","updatePTS","fromIdx","toIdx","fragFrom","fragTo","fragToPTS","updateFragPTSDTS","maxStartPTS","drift","fragIdx","PTSKnown","mergeDetails","oldDetails","newDetails","PTSFrag","ccOffset","mapFragmentIntersection","oldFrag","newFrag","backtracked","newFragments","oldPlaylist","newPlaylist","oldFragments","adjustSliding","intersectionFn","computeReloadInterval","currentPlaylist","lastRequestTime","reloadInterval","minReloadInterval","TimeRanges","toFixed","adjustPts","sliding","alignStream","lastLevel","shouldAlign","shouldAlignOnDiscontinuities","referenceFrag","prevDetails","curDetails","prevFrags","curFrags","prevStartFrag","firstFrag","currentFrag","findFirstFragWithCC","findDiscontinuousReferenceFrag","alignDiscontinuities","lastDetails","hasProgramDateTime","lastPDT","alignPDT","findFragmentByPDT","PDTValue","isArray","seg","pdtWithinToleranceTest","findFragmentByPTS","fragPrevious","fragNext","fragmentWithinToleranceTest","candidate","candidateLookupTolerance","pdtBufferEnd","GapController","fragmentTracker","nudgeRetry","stallReported","stalled","moved","seeking","poll","lastCurrentTime","seeked","beginSeek","seekWithinTolerance","seekWithinToleranceIfNeeded","paused","ended","playbackRate","startJump","_trySkipBufferHole","tnow","stalledDuration","_reportStall","bufferedWithHoles","_tryFixBufferStall","bufferedPosWithinTolerance","stalledDurationMs","highBufferWatchdogPeriod","_tryNudgeBuffer","BUFFER_STALLED_ERROR","lastEndTime","targetTime","BUFFER_SEEK_OVER_HOLE","nudgeMaxRetry","nudgeOffset","BUFFER_NUDGE_ON_STALL","TaskLoop","_boundTick","_tickTimer","_tickInterval","_tickCallCount","tick","clearNextTick","clearInterval","hasInterval","hasNextTick","setInterval","millis","clearTimeout","doTick","setTimeout","State","BaseStreamController","startLoad","stopLoad","fragCurrent","_streamEnded","fragState","onMediaSeeking","mediaBuffer","tolerance","fragStartOffset","fragEndOffset","loadedmetadata","nextLoadPosition","startPosition","onMediaEnded","computeLivePosition","targetLatency","liveSyncDuration","liveSyncDurationCount","StreamController","audioCodecSwap","_state","gapController","altAudio","fragLoadError","startFragRequested","startLevel","nextLoadLevel","forceStartLoad","_doTickIdle","retryDate","_checkBuffer","_checkFragmentChanged","levelLastLoaded","startFragPrefetch","levelInfo","maxBufLen","levelBitrate","maxBufferSize","maxBufferLength","maxMaxBufferLength","_fetchPayloadOrEos","fragLen","initialLiveManifestSize","_ensureFragmentAtLivePoint","_findFragment","encrypted","_loadKey","_loadFragment","maxLatency","liveMaxLatencyDuration","liveMaxLatencyDurationCount","liveSyncPosition","readyState","targetSN","fragPreviousLoad","fragmentIndexRange","fragNextLoad","curSNIdx","sameLevel","prevSnFrag","nextSnFrag","autoLevel","autoLevelEnabled","_reduceMaxBufferLength","followingBufferedFrag","fragPlayingCurrent","fragPlaying","fragPlayingLevel","immediateLevelSwitch","immediateSwitch","previouslyPaused","pause","flushMainBuffer","POSITIVE_INFINITY","immediateLevelSwitchEnd","play","nextLevelSwitch","fetchdelay","nextBufferedFrag","nextLevelId","nextLevel","fragLastKbps","startOffset","endOffset","flushScope","onMediaAttached","onvseeking","onvseeked","onMediaSeeked","onvended","autoStartLoad","onMediaDetaching","onManifestParsed","aac","heaac","audioCodecSwitch","onLevelLoaded","newLevelId","curLevel","LevelHelper","onKeyLoaded","fragLoaded","currentLevel","tbuffered","pendingBuffering","appended","initSegmentData","_getAudioCodec","onFragParsingInitSegment","fragNew","trackName","ua","levelCodec","parent","content","onFragParsingData","onFragParsed","_checkAppendedParsed","onAudioTrackSwitching","onAudioTrackSwitched","videoBuffer","onBufferCreated","mediaTrack","alternate","pending","total","tfirst","mediaBuffered","fragLoadingMaxRetry","delay","levelRetry","BUFFER_FULL_ERROR","minLength","_seekToStartPos","onFragLoadEmergencyAborted","onBufferFlushed","swapAudioCodec","defaultAudioCodec","nextState","previousState","_liveSyncPosition","chromeOrFirefox","LevelController","canload","currentLevelIndex","manualLevelIndex","timer","clearTimer","_levels","levelRetryCount","loadError","loadLevel","onManifestLoaded","bitrateStart","levelSet","levelFromSet","videoCodecFound","audioCodecFound","attributes","fragmentError","SUBTITLES","_firstLevel","firstLevel","some","MANIFEST_INCOMPATIBLE_CODECS_ERROR","setLevelInternal","newLevel","levelProperties","LEVEL_SWITCH_ERROR","levelIndex","levelError","recoverLevel","errorEvent","redundantLevels","errorDetails","nextAutoLevel","trequest","audioGroupId","levelObject","_startLevel","configStartLevel","sendAddTrackEvent","videoEl","document","createEvent","initEvent","dispatchEvent","clearCurrentCues","cues","removeCue","getClosestCue","left","right","mid","ID3TrackController","getID3Track","textTracks","kind","label","addTextTrack","onLiveBackBufferReached","foundCue","removeCues","cue","onFragParsingMetadata","mode","Cue","WebKitDataCue","VTTCue","TextTrackCue","addCue","EWMA","halfLife","alpha_","estimate_","totalWeight_","exp","weight","adjAlpha","getTotalWeight","getEstimate","zeroFactor","EwmaBandWidthEstimator","slow","fast","defaultEstimate","defaultEstimate_","minWeight_","minDelayMs_","slow_","fast_","durationMs","numBytes","durationS","bandwidthInBps","canEstimate","AbrController","lastLoadedFragLevel","_nextAutoLevel","_bwEstimator","onCheck","_abandonRulesCheck","ewmaFast","ewmaSlow","abrEwmaFastLive","abrEwmaSlowLive","abrEwmaFastVoD","abrEwmaSlowVoD","abrEwmaDefaultEstimate","minAutoLevel","aborted","requestDelay","loadRate","bw","realBitrate","expectedLen","fragLoadedDelay","bufferStarvationDelay","levelNextBitrate","fragLevelNextLoadedDelay","abrMaxWithRealBitrate","loadedBytes","loadedDuration","fragLoadingProcessingMs","bwEstimate","bitrateTestDelay","_findBestLevel","currentFragDuration","currentBw","maxAutoLevel","maxFetchDuration","bwFactor","bwUpFactor","avgDuration","adjustedbw","fetchDuration","forcedAutoLevel","bwEstimator","nextABRAutoLevel","_nextABRAutoLevel","avgbw","bestLevel","abrBandWidthFactor","abrBandWidthUpFactor","maxStarvationDelay","maxLoadingDelay","BufferController","_msDuration","_levelDuration","_levelTargetDuration","_live","_objectUrl","_needsFlush","_needsEos","audioTimestampOffset","bufferCodecEventsExpected","_bufferCodecEventsTotal","mediaSource","segments","appending","appendError","flushBufferCounter","pendingTracks","sourceBuffer","flushRange","_onMediaSourceOpen","checkPendingTracks","_onMediaSourceClose","_onMediaSourceEnded","_onSBUpdateEnd","audioBuffer","timestampOffset","doFlush","checkEos","counter","segment","sbSet","sb","doAppending","updateMediaElementDuration","flushLiveBackBuffer","_onSBUpdateError","BUFFER_APPENDING_ERROR","onLevelPtsUpdated","updating","onMediaAttaching","ms","endOfStream","removeAttribute","pendingTracksCount","createSourceBuffers","onBufferReset","removeSourceBuffer","onBufferCodecs","mimeType","addSourceBuffer","BUFFER_ADD_CODEC_ERROR","onBufferAppending","onBufferEos","onBufferFlushing","liveBackBufferLength","bufferTypes","targetBackBufferPosition","bufferType","removeBufferRange","onLevelUpdated","liveDurationInfinity","flushBuffer","appendBuffer","code","BUFFER_APPEND_ERROR","appendErrorMaxRetry","sbType","bufStart","bufEnd","removeStart","removeEnd","remove","CapLevelController","autoLevelCapping","restrictedLevels","capLevelToPlayerSize","stopCapping","onFpsDropLevelCapping","isLevelAllowed","droppedLevel","HTMLVideoElement","startCapping","onLevelsUpdated","detectPlayerSize","levelsLength","getMaxLevel","streamController","capLevelIndex","validLevels","getMaxLevelByMediaSize","mediaWidth","mediaHeight","maxLevelIndex","devicePixelRatio","clientWidth","offsetWidth","contentScaleFactor","clientHeight","offsetHeight","FPSController","isVideoPlaybackQualityAvailable","capLevelOnFPSDrop","getVideoPlaybackQuality","checkFPSInterval","fpsDroppedMonitoringPeriod","checkFPS","decodedFrames","droppedFrames","lastTime","currentPeriod","currentDropped","lastDroppedFrames","currentDecoded","lastDecodedFrames","droppedFPS","totalDroppedFrames","fpsDroppedMonitoringThreshold","videoPlaybackQuality","totalVideoFrames","droppedVideoFrames","webkitDecodedFrameCount","webkitDroppedFrameCount","XMLHttpRequest","XhrLoader","xhrSetup","requestTimeout","retryTimeout","callbacks","retry","loadInternal","xhr","open","status","setRequestHeader","onreadystatechange","readystatechange","onprogress","send","currentTarget","responseText","responseURL","statusText","lengthComputable","AudioTrackController","_trackId","_selectDefaultTrack","trackIdBlacklist","_selectAudioGroup","onAudioTrackLoaded","updatePeriodMs","_handleLoadError","_setAudioTrack","newId","_loadTrackDetailsIfNeeded","_updateTrack","_selectInitialAudioTrack","currentAudioTrack","defaultTracks","trackFound","traverseTracks","_needsTrackLoading","previousId","language","AudioStreamController","waitingFragment","videoTrackCC","onInitPtsFound","demuxerId","trackDetails","mainBufferInfo","maxConfigBuffer","audioSwitch","CC","findFragWithCC","loadIdx","fragLoadIdx","nextBuffered","foundFrag","isSeeking","waitingFrag","waitingFragCC","onAudioTracksUpdated","appendObj","pendingData","appendOnBufferFlush","directionSetting","lr","rl","alignSetting","middle","findAlignSetting","extend","obj","cobj","baseObj","hasBeenReset","_id","_pauseOnExit","_startTime","_endTime","_text","_region","_vertical","_snapToLines","_line","_lineAlign","_position","_positionAlign","_size","_align","setting","findDirectionSetting","SyntaxError","displayState","getCueAsHTML","WebVTT","convertCueToDOMTree","StringDecoder","decodeURIComponent","encodeURIComponent","VTTParser","regionList","Settings","values","parseOptions","keyValueDelim","groupDelim","kv","k","v","dflt","defaultKey","alt","integer","percent","defaults","center","align","parseCue","oInput","consumeTimeStamp","ts","computeSeconds","parseTimeStamp","skipWhitespace","settings","region","vals","vals0","vertical","line","lineAlign","snapToLines","consumeCueSettings","fixLineBreaks","collectNextLine","alreadyCollectedLine","hasSubstring","oncue","flush","onflush","newCue","captionScreen","row","indenting","indent","rows","isEmpty","chars","uchar","cueStartTime","VerboseFilter","specialCea608CharsCodes","getCharForByte","byte","charCode","rowsLowCh1","rowsHighCh1","rowsLowCh2","rowsHighCh2","backgroundColors","verboseFilter","verboseLevel","setTime","newTime","severity","numArrayToHexArray","numArray","hexArray","PenState","foreground","underline","italics","background","flash","reset","setStyles","styles","attribs","style","isDefault","equals","other","copy","newPenState","StyledUnicodeChar","penState","setChar","setPenState","newChar","Row","currPenState","equal","empty","setCursor","absPos","moveCursor","relPos","newPos","backSpace","insertChar","char","clearFromPos","startPos","clear","clearToEndOfRow","getTextString","setPenStyles","CaptionScreen","currRow","nrRollUpRows","lastOutputScreen","NR_ROWS","setPen","setPAC","pacData","newRow","topRowIndex","prevLineTime","prevPos","color","setBkgData","bkgData","setRollUpRows","nrRows","rollUp","getDisplayText","topRow","asOneRow","displayText","rowNr","rowText","getTextAndFormat","Cea608Channel","channelNumber","outputFilter","chNr","verbose","displayedMemory","nonDisplayedMemory","currRollUpRow","writeScreen","lastCueEndTime","getHandler","setHandler","newHandler","setMode","newMode","insertChars","screen","outputDataUpdate","ccRCL","ccBS","ccAOF","ccAON","ccDER","ccRU","ccFON","ccRDC","ccTR","ccRTD","ccEDM","ccCR","ccENM","ccEOC","ccTO","nrCols","ccMIDROW","secondByte","colorIndex","dispatch","dispatchCue","cueSplitAtTime","Cea608Parser","field","out1","out2","outputs","channels","currChNr","lastCmdA","lastCmdB","dataCounters","addData","byteList","cmdFound","charsFound","parseCmd","parseMidrow","parsePAC","parseBackgroundAttributes","parseChars","padding","channel","interpretPAC","pacIndex","channelNr","charCodes","charCode1","oneCode","hexCodes","OutputFilter","timelineController","addCues","createCaptionsTrack","LINEBREAKS","startsWith","inputString","searchString","hash","parseWebVTT","vttByteArray","vttCCs","callBack","errorCallBack","parsingError","parser","vttLines","initPTS90Hz","cueTime","timestampMapMPEGTS","timestampMapLOCAL","inHeader","timestampMap","currCC","cueOffset","webVttMpegTsMapOffset","new","presentationTime","prevCC","presentationOffset","calculateOffset","generateCueId","onparsingerror","timeString","secs","mins","hours","cueString2millis","canReuseVttTextTrack","inUseTrack","manifestTrack","textTrack1","textTrack2","TimelineController","enabled","Cues","unparsedVttFrags","cueRanges","captionsTracks","captionsProperties","cea608Parser","lastSn","cueHandler","captionsTextTrack1Label","languageCode","captionsTextTrack1LanguageCode","captionsTextTrack2Label","captionsTextTrack2LanguageCode","enableCEA708Captions","channel1","channel2","x1","y1","y2","ranges","merged","cueRange","overlap","getExistingTrack","existingTrack","createTextTrack","_cleanTracks","0","enableWebVTT","inUseTracks","subtitleDisplay","success","decryptData","_parseVTTs","currentTrack","minStartTime","getCueById","textTrackCue","onFragDecrypted","onFragParsingUserdata","ccBytes","ccdatas","extractCea608Data","tmpByte","ccbyte1","ccbyte2","actualCCBytes","filterSubtitleTracks","textTrackList","SubtitleTrackController","stopped","queuedDefaultTrack","subtitleTrack","trackChangeListener","_onTextTracksChanged","useTextTrackPolling","subtitlePollingInterval","subtitleTracks","onSubtitleTrackLoaded","_clearReloadTimer","_loadCurrentTrack","_toggleTrackModes","oldTrack","nextTrack","_setSubtitleTrackInternal","subtitleTrackId","KeySystems","SubtitleStreamController","tracksBuffered","currentTrackId","lastAVStart","_onMediaSeeking","onSubtitleFragProcessed","fragStart","fragEnd","onSubtitleTracksUpdated","onSubtitleTrackSwitch","referenceStart","frags","mergeSubtitlePlaylists","_getBuffered","requestMediaKeySystemAccess","EMEController","_widevineLicenseUrl","_licenseXhrSetup","_emeEnabled","_requestMediaKeySystemAccess","_config","_mediaKeysList","_media","_hasSetMediaKeys","_requestLicenseFailureCount","_onMediaEncrypted","initDataType","_attemptSetMediaKeys","_generateRequestWithPreferredKeySession","widevineLicenseUrl","licenseXhrSetup","emeEnabled","requestMediaKeySystemAccessFunc","getLicenseServerUrl","keySystem","WIDEVINE","_attemptKeySystemAccess","audioCodecs","videoCodecs","mediaKeySystemConfigs","baseConfig","videoCapabilities","contentType","createWidevineMediaKeySystemConfigurations","getSupportedMediaKeySystemConfigurations","mediaKeySystemAccess","_onMediaKeySystemAccessObtained","mediaKeysListItem","mediaKeysSessionInitialized","mediaKeySystemDomain","createMediaKeys","mediaKeys","_onMediaKeysCreated","mediaKeysSession","createSession","_onNewMediaKeySession","keySession","sessionId","_onKeySessionMessage","_requestLicense","update","keysListItem","KEY_SYSTEM_ERROR","KEY_SYSTEM_NO_KEYS","setMediaKeys","KEY_SYSTEM_NO_ACCESS","KEY_SYSTEM_NO_SESSION","KEY_SYSTEM_NO_INIT_DATA","generateRequest","_createLicenseXhr","keyMessage","_onLicenseRequestReadyStageChange","KEY_SYSTEM_LICENSE_REQUEST_FAILED","attemptsLeft","_generateLicenseRequestChallenge","challenge","onMediaDetached","hlsDefaultConfig","lowBufferWatchdogPeriod","abrController","bufferController","capLevelController","fpsController","minAutoBitrate","timelineConfig","subtitleStreamController","subtitleTrackController","audioStreamController","audioTrackController","emeController","Hls","userConfig","_autoLevelCapping","levelController","networkControllers","coreComponents","defaultConfig","DefaultConfig","playListLoader","fragmentLoader","keyLoader","id3TrackController","Controller","isSupported","SourceBuffer","WebKitSourceBuffer","sourceBufferValidAPI","detachMedia","component","attachMedia","loadSource","location","href","controller","recoverMediaError","manualLevel","shouldStartCapping","newCapLevelToPlayerSize","NaN","audioTrackId"],"mappings":"4BAAA,SAA2CA,EAAMC,GAC1B,iBAAZC,SAA0C,iBAAXC,OACxCA,OAAOD,QAAUD,IACQ,mBAAXG,QAAyBA,OAAOC,IAC9CD,OAAO,GAAIH,GACe,iBAAZC,QACdA,QAAa,IAAID,IAEjBD,EAAU,IAAIC,IARhB,CASGK,MAAM,WACT,O,YCTA,SAGA,cAGA,QACA,oBAGA,YACA,IACA,KACA,YAUA,OANA,mCAGA,OAGA,UA0DA,OArDA,MAGA,MAGA,oBACA,UACA,2BAA2CC,YAAY,EAAMC,IAAKC,KAKlE,gBACA,gDACA,4CAAyDC,MAAO,WAEhE,sCAAkDA,OAAO,KAQzD,kBAEA,GADA,cACA,aACA,qDACA,0BAGA,GAFA,OACA,mCAA0CH,YAAY,EAAMG,MAAOA,IACnE,2DAAiH,OAAOA,EAAMC,IAAQC,KAAK,KAAMD,IACjJ,UAIA,gBACA,sBACA,WAA4B,OAAOR,EAAgB,SACnD,WAAkC,OAAOA,GAEzC,OADA,aACA,GAIA,kBAAuD,OAAOU,OAAOC,UAAUC,eAAeC,KAAKC,EAAQC,IAG3G,aAIA,U,+BClFA,+EAEA,SAASC,KAET,IAAMC,EAAa,CACjBC,MAAOF,EACPG,MAAOH,EACPI,IAAKJ,EACLK,KAAML,EACNM,KAAMN,EACNO,MAAOP,GAGLQ,EAAiBP,EAWrB,SAASQ,EAAWC,EAAMC,GAExB,OADAA,EAAM,IAAMD,EAAO,OAASC,EAI9B,IAAMC,EAASC,cAEf,SAASC,EAAgBJ,GACvB,IAAMK,EAAOH,EAAOI,QAAQN,GAC5B,OAAIK,EACK,WAAmB,2BAANE,EAAM,yBAANA,EAAM,gBACpBA,EAAK,KACPA,EAAK,GAAKR,EAAUC,EAAMO,EAAK,KAGjCF,EAAKG,MAAMN,EAAOI,QAASC,IAGxBjB,EASF,IAAMmB,EAAa,SAAUC,GAElC,GAAKR,EAAOI,UAA2B,IAAhBI,GAAgD,iBAAhBA,EAA0B,EARnF,SAAgCA,GAA2B,2BAAXC,EAAW,iCAAXA,EAAW,kBACzDA,EAAUC,SAAQ,SAAUZ,GAC1BF,EAAeE,GAAQU,EAAYV,GAAQU,EAAYV,GAAMjB,KAAK2B,GAAeN,EAAeJ,MAOhGa,CAAsBH,EAGpB,QACA,MACA,OACA,OACA,SAIF,IACEZ,EAAeJ,MACf,MAAOoB,GACPhB,EAAiBP,QAGnBO,EAAiBP,GAIRwB,EAASjB,G,mCCvEhBkB,IAAS,GAEbC,gBAAiB,oBAEjBC,eAAgB,mBAEhBC,gBAAiB,oBAEjBC,eAAgB,mBAEhBC,aAAc,iBAEdC,cAAe,kBAEfC,eAAgB,mBAEhBC,iBAAkB,qBAElBC,gBAAiB,oBAEjBC,WAAY,eAEZC,gBAAiB,oBAEjBC,eAAgB,mBAEhBC,iBAAkB,qBAElBC,gBAAiB,oBAEjBC,gBAAiB,oBAEjBC,gBAAiB,oBAEjBC,eAAgB,mBAEhBC,cAAe,kBAEfC,aAAc,iBAEdC,cAAe,kBAEfC,kBAAmB,qBAEnBC,yBAA0B,2BAE1BC,qBAAsB,wBAEtBC,sBAAuB,yBAEvBC,qBAAsB,wBAEtBC,oBAAqB,uBAErBC,mBAAoB,sBAEpBC,wBAAyB,2BAEzBC,sBAAuB,yBAEvBC,uBAAwB,0BAExBC,sBAAuB,yBAEvBC,wBAAyB,2BAEzBC,eAAgB,kBAEhBC,aAAc,iBAEdC,mBAAoB,sBAEpBC,4BAA6B,8BAE7BC,YAAa,gBAEbC,eAAgB,mBAEhBC,0BAA2B,4BAE3BC,sBAAuB,yBAEvBC,sBAAuB,yBAEvBC,kBAAmB,qBAEnBC,YAAa,gBAEbC,cAAe,kBAEfC,aAAc,iBAEdC,SAAU,aAEVC,uBAAwB,yBAExBC,MAAO,WAEPC,WAAY,gBAEZC,YAAa,gBAEbC,WAAY,eAEZC,wBAAyB,6BAxGZ,yBA0Ga,2BA1Gb,EA4GbC,oBAAqB,sBA5GR,GA+GArD,O,6BCnHR,IAAKsD,EAiBAC,EAjBZ,oE,SAAYD,K,6BAAAA,E,yBAAAA,E,kCAAAA,E,qBAAAA,E,0BAAAA,M,cAiBAC,K,qCAAAA,E,yCAAAA,E,2CAAAA,E,kEAAAA,E,8CAAAA,E,wCAAAA,E,4CAAAA,E,8CAAAA,E,qEAAAA,E,kCAAAA,E,sCAAAA,E,sCAAAA,E,6CAAAA,E,iDAAAA,E,gCAAAA,E,oCAAAA,E,sCAAAA,E,sCAAAA,E,oCAAAA,E,8BAAAA,E,kCAAAA,E,6CAAAA,E,wCAAAA,E,8CAAAA,E,0CAAAA,E,oCAAAA,E,2CAAAA,E,2CAAAA,E,wCAAAA,M,mCCjBZ,kCAAO,IAAMC,EAAiBC,OAAOC,UAAY,SAAU7F,GACzD,MAAwB,iBAAVA,GAAsB6F,SAAS7F,K,6BCD/C,oEAMO,SAAS8F,EAAqB9F,EAAO+F,EAAmBC,EAAqBC,QAAgC,IAArDD,MAAkB,QAAmC,IAAhCC,OAAiB,GACnG,IAAMC,EAASlG,EAAQ+F,EAAYC,EACnC,OAAOC,EAAQE,KAAKF,MAAMC,GAAUA,EAG/B,SAASE,EAAqBpG,EAAeiG,GAClD,YADkF,IAAhCA,OAAiB,GAC5DH,EAAoB9F,EAAO,IAAM,EAZZ,IAYuCiG,GAG9D,SAASI,EAA4BrG,EAAesG,GACzD,YADuF,IAA9BA,MAAmB,GACrER,EAAoB9F,EAhBC,IAgB6B,EAAIsG,K,6BChB/D,sCA+VIC,EA/VJ,OAKMC,E,kCAOGC,SAAP,SAAiBC,EAAMC,GAcrB,OAAIA,EAAS,IAAMD,EAAKE,QAED,KAAjBF,EAAKC,IAAyC,KAArBD,EAAKC,EAAS,IAAoC,KAArBD,EAAKC,EAAS,IAElED,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAE5CD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,K,EAgBzGE,SAAP,SAAiBH,EAAMC,GAIrB,OAAIA,EAAS,IAAMD,EAAKE,QAED,KAAjBF,EAAKC,IAAyC,KAArBD,EAAKC,EAAS,IAAoC,KAArBD,EAAKC,EAAS,IAElED,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAE5CD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,KAAQD,EAAKC,EAAS,GAAK,K,EAgBzGG,WAAP,SAAmBJ,EAAMC,GAIvB,IAHA,IAAMI,EAAQJ,EACVC,EAAS,EAENJ,EAAIC,SAASC,EAAMC,IAAS,CAEjCC,GAAU,GAGVA,GADaJ,EAAIQ,UAAUN,EAAMC,EAAS,GAGtCH,EAAIK,SAASH,EAAMC,EAAS,MAE9BC,GAAU,IAGZD,GAAUC,EAGZ,GAAIA,EAAS,EACX,OAAOF,EAAKO,SAASF,EAAOA,EAAQH,I,EAMjCI,UAAP,SAAkBN,EAAMC,GACtB,IAAIO,EAAO,EAKX,OAJAA,GAAwB,IAAfR,EAAKC,KAAmB,GACjCO,IAA6B,IAAnBR,EAAKC,EAAS,KAAc,GACtCO,IAA6B,IAAnBR,EAAKC,EAAS,KAAc,EACtCO,GAA4B,IAAnBR,EAAKC,EAAS,I,EASlBQ,aAAP,SAAqBT,GAEnB,IADA,IAAMU,EAASZ,EAAIa,aAAaX,GACvBY,EAAI,EAAGA,EAAIF,EAAOR,OAAQU,IAAK,CACtC,IAAMC,EAAQH,EAAOE,GACrB,GAAId,EAAIgB,iBAAiBD,GACvB,OAAOf,EAAIiB,eAAeF,K,EAWzBC,iBAAP,SAAyBD,GACvB,OAAQA,GAAuB,SAAdA,EAAMtH,KAAiC,iDAAfsH,EAAMxG,M,EAG1C2G,cAAP,SAAsBhB,GAMpB,IAAMvF,EAAOwG,OAAOC,aAAalB,EAAK,GAAIA,EAAK,GAAIA,EAAK,GAAIA,EAAK,IAC3DQ,EAAOV,EAAIQ,UAAUN,EAAM,GAKjC,MAAO,CAAEvF,OAAM+F,OAAMR,KAAMA,EAAKO,SAFnB,MAE6CC,K,EAQrDG,aAAP,SAAqBQ,GAInB,IAHA,IAAIlB,EAAS,EACPS,EAAS,GAERZ,EAAIC,SAASoB,EAASlB,IAAS,CAMpC,IALA,IAAMO,EAAOV,EAAIQ,UAAUa,EAASlB,EAAS,GAGvCmB,GADNnB,GAAU,IACWO,EAEdP,EAAS,EAAImB,GAAK,CACvB,IAAMC,EAAYvB,EAAIkB,cAAcG,EAAQZ,SAASN,IAC/CY,EAAQf,EAAIwB,aAAaD,GAC3BR,GACFH,EAAOa,KAAKV,GAIdZ,GAAUoB,EAAUb,KAAO,GAGzBV,EAAIK,SAASgB,EAASlB,KACxBA,GAAU,IAId,OAAOS,G,EAGFY,aAAP,SAAqBT,GACnB,MAAmB,SAAfA,EAAMpG,KACDqF,EAAI0B,iBAAiBX,GACD,MAAlBA,EAAMpG,KAAK,GACbqF,EAAI2B,iBAAiBZ,GACD,MAAlBA,EAAMpG,KAAK,GACbqF,EAAI4B,gBAAgBb,QADtB,G,EAOFE,eAAP,SAAuBY,GACrB,GAAuC,IAAnCA,EAAe3B,KAAK4B,WAAkB,CACxC,IAAM5B,EAAO,IAAI6B,WAAWF,EAAe3B,MAGrC8B,EAAqB,EAAV9B,EAAK,GAClB+B,GAAa/B,EAAK,IAAM,KACXA,EAAK,IAAM,KACXA,EAAK,IAAM,GACXA,EAAK,GAOtB,OANA+B,GAAa,GAETD,IACFC,GAAa,aAGRtC,KAAKF,MAAMwC,K,EAMfP,iBAAP,SAAyBX,GAIvB,KAAIA,EAAML,KAAO,GAAjB,CAIA,IAAMwB,EAAQlC,EAAImC,gBAAgBpB,EAAMb,MAAM,GACxCkC,EAAc,IAAIL,WAAWhB,EAAMb,KAAKO,SAASyB,EAAM9B,OAAS,IAEtE,MAAO,CAAE3G,IAAKsH,EAAMpG,KAAMJ,KAAM2H,EAAOhC,KAAMkC,EAAYC,U,EAGpDV,iBAAP,SAAyBZ,GACvB,KAAIA,EAAML,KAAO,GAAjB,CAIA,GAAmB,SAAfK,EAAMpG,KAAiB,CAMzB,IAAI2H,EAAQ,EACNC,EAAcvC,EAAImC,gBAAgBpB,EAAMb,KAAKO,SAAS6B,IAAQ,GAEpEA,GAASC,EAAYnC,OAAS,EAC9B,IAAM5G,EAAQwG,EAAImC,gBAAgBpB,EAAMb,KAAKO,SAAS6B,IAEtD,MAAO,CAAE7I,IAAKsH,EAAMpG,KAAMJ,KAAMgI,EAAarC,KAAM1G,GAOnD,IAAMgJ,EAAOxC,EAAImC,gBAAgBpB,EAAMb,KAAKO,SAAS,IACrD,MAAO,CAAEhH,IAAKsH,EAAMpG,KAAMuF,KAAMsC,K,EAI7BZ,gBAAP,SAAwBb,GACtB,GAAmB,SAAfA,EAAMpG,KAAiB,CAMzB,GAAIoG,EAAML,KAAO,EACf,OAGF,IAAI4B,EAAQ,EACNC,EAAcvC,EAAImC,gBAAgBpB,EAAMb,KAAKO,SAAS6B,IAE5DA,GAASC,EAAYnC,OAAS,EAC9B,IAAM5G,EAAQwG,EAAImC,gBAAgBpB,EAAMb,KAAKO,SAAS6B,IAEtD,MAAO,CAAE7I,IAAKsH,EAAMpG,KAAMJ,KAAMgI,EAAarC,KAAM1G,GAMnD,IAAMiJ,EAAMzC,EAAImC,gBAAgBpB,EAAMb,MACtC,MAAO,CAAEzG,IAAKsH,EAAMpG,KAAMuF,KAAMuC,I,EAa7BN,gBAAP,SAAwBO,EAAOC,QAAoB,IAApBA,OAAa,GAC1C,IAAM5C,EAAU6C,IAChB,GAAI7C,EAAS,CACX,IAAM8C,EAAU9C,EAAQ+C,OAAOJ,GAE/B,GAAIC,EAAY,CAEd,IAAMI,EAAMF,EAAQG,QAAQ,MAC5B,OAAgB,IAATD,EAAaF,EAAQI,UAAU,EAAGF,GAAOF,EAIlD,OAAOA,EAAQK,QAAQ,MAAO,IAShC,IANA,IACIC,EACAC,EACAC,EAHEC,EAAMZ,EAAMtC,OAIdmD,EAAM,GACNzC,EAAI,EACDA,EAAIwC,GAAK,CAEd,GAAU,KADVH,EAAIT,EAAM5B,OACQ6B,EAChB,OAAOY,EACF,GAAU,IAANJ,GAAoB,IAANA,EAIzB,OAAQA,GAAK,GACb,KAAK,EAAG,KAAK,EAAG,KAAK,EAAG,KAAK,EAAG,KAAK,EAAG,KAAK,EAAG,KAAK,EAAG,KAAK,EAE3DI,GAAOpC,OAAOC,aAAa+B,GAC3B,MACF,KAAK,GAAI,KAAK,GAEZC,EAAQV,EAAM5B,KACdyC,GAAOpC,OAAOC,cAAmB,GAAJ+B,IAAa,EAAc,GAARC,GAChD,MACF,KAAK,GAEHA,EAAQV,EAAM5B,KACduC,EAAQX,EAAM5B,KACdyC,GAAOpC,OAAOC,cAAmB,GAAJ+B,IAAa,IACpB,GAARC,IAAiB,GACT,GAARC,IAAiB,IAKnC,OAAOE,G,KAMX,SAASX,IACP,IAAM/H,EAASC,cAKf,OAJKiF,QAAyC,IAAvBlF,EAAO2I,cAC5BzD,EAAU,IAAIlF,EAAO2I,YAAY,UAG5BzD,EAGT,IAAM0D,EAAiBzD,EAAImC,gBAEZnC,O,6BC5WR,SAASlF,IAEd,MAAsB,oBAAX4I,OAEFC,KAEAD,OANX,mC,gBCGA,IAGME,EACAC,EACAC,EACAC,EAEAC,EALAJ,EAAY,yFACZC,EAAsB,mBACtBC,EAAkB,oBAClBC,EAAsB,qCAEtBC,EAAa,CAOfC,iBAAkB,SAASC,EAASC,EAAaC,GAK/C,GAJAA,EAAOA,GAAQ,GAEfF,EAAUA,EAAQG,SAClBF,EAAcA,EAAYE,QACR,CAIhB,IAAKD,EAAKE,gBACR,OAAOJ,EAET,IAAIK,EAAwBP,EAAWQ,SAASN,GAChD,IAAKK,EACH,MAAM,IAAIE,MAAM,mCAGlB,OADAF,EAAsBG,KAAOV,EAAWW,cAAcJ,EAAsBG,MACrEV,EAAWY,kBAAkBL,GAEtC,IAAIM,EAAgBb,EAAWQ,SAASL,GACxC,IAAKU,EACH,MAAM,IAAIJ,MAAM,uCAElB,GAAII,EAAcC,OAGhB,OAAKV,EAAKE,iBAGVO,EAAcH,KAAOV,EAAWW,cAAcE,EAAcH,MACrDV,EAAWY,kBAAkBC,IAH3BV,EAKX,IAAIY,EAAYf,EAAWQ,SAASN,GACpC,IAAKa,EACH,MAAM,IAAIN,MAAM,mCAElB,IAAKM,EAAUC,QAAUD,EAAUL,MAA8B,MAAtBK,EAAUL,KAAK,GAAY,CAGpE,IAAIO,EAAYpB,EAAoBqB,KAAKH,EAAUL,MACnDK,EAAUC,OAASC,EAAU,GAC7BF,EAAUL,KAAOO,EAAU,GAEzBF,EAAUC,SAAWD,EAAUL,OACjCK,EAAUL,KAAO,KAEnB,IAAIS,EAAa,CAGfL,OAAQC,EAAUD,OAClBE,OAAQH,EAAcG,OACtBN,KAAM,KACNU,OAAQP,EAAcO,OACtBC,MAAOR,EAAcQ,MACrBC,SAAUT,EAAcS,UAE1B,IAAKT,EAAcG,SAIjBG,EAAWH,OAASD,EAAUC,OAGA,MAA1BH,EAAcH,KAAK,IACrB,GAAKG,EAAcH,KAgBZ,CAKL,IAAIa,EAAcR,EAAUL,KACxBc,EAAUD,EAAYtC,UAAU,EAAGsC,EAAYE,YAAY,KAAO,GAAKZ,EAAcH,KACzFS,EAAWT,KAAOV,EAAWW,cAAca,QApB3CL,EAAWT,KAAOK,EAAUL,KAIvBG,EAAcO,SACjBD,EAAWC,OAASL,EAAUK,OAIzBP,EAAcQ,QACjBF,EAAWE,MAAQN,EAAUM,QAiBvC,OAHwB,OAApBF,EAAWT,OACbS,EAAWT,KAAON,EAAKE,gBAAkBN,EAAWW,cAAcE,EAAcH,MAAQG,EAAcH,MAEjGV,EAAWY,kBAAkBO,IAEtCX,SAAU,SAAS/B,GACjB,IAAIiD,EAAQ9B,EAAUsB,KAAKzC,GAC3B,OAAKiD,EAGE,CACLZ,OAAQY,EAAM,IAAM,GACpBV,OAAQU,EAAM,IAAM,GACpBhB,KAAMgB,EAAM,IAAM,GAClBN,OAAQM,EAAM,IAAM,GACpBL,MAAOK,EAAM,IAAM,GACnBJ,SAAUI,EAAM,IAAM,IARf,MAWXf,cAAe,SAASD,GAgBtB,IATAA,EAAOA,EAAKiB,MAAM,IAAIC,UAAUC,KAAK,IAAI3C,QAAQY,EAAiB,IAS3DY,EAAKtE,UAAYsE,EAAOA,EAAKxB,QAAQa,EAAqB,KAAK3D,SACtE,OAAOsE,EAAKiB,MAAM,IAAIC,UAAUC,KAAK,KAEvCjB,kBAAmB,SAASc,GAC1B,OAAOA,EAAMZ,OAASY,EAAMV,OAASU,EAAMhB,KAAOgB,EAAMN,OAASM,EAAML,MAAQK,EAAMJ,WAMvFrM,EAAOD,QAAUgL,G,iCC1JA8B,E,WACnB,WAAaC,EAAQC,GACnB5M,KAAK2M,OAASA,EACd3M,KAAK6M,MAAQD,E,mBAGfE,QAAA,SAAShG,EAAMzG,GACb,OAAOL,KAAK2M,OAAOG,QAAQ,CAAEC,KAAM,UAAWH,GAAI5M,KAAK6M,OAASxM,EAAKyG,I,KCI1DkG,E,WAVb,WAAaL,EAAQtM,GACnBL,KAAK2M,OAASA,EACd3M,KAAKK,IAAMA,E,mBAGb4M,UAAA,WACE,OAAOjN,KAAK2M,OAAOO,UAAU,MAAOlN,KAAKK,IAAK,CAAE0M,KAAM,YAAa,EAAO,CAAC,UAAW,a,SCkR3EI,E,WA7Qb,aAEEnN,KAAKoN,KAAO,CAAC,EAAK,EAAK,EAAK,EAAK,EAAK,GAAM,GAAM,GAAM,IAAM,GAAM,IACpEpN,KAAKqN,OAAS,CAAC,IAAIC,YAAY,KAAM,IAAIA,YAAY,KAAM,IAAIA,YAAY,KAAM,IAAIA,YAAY,MACjGtN,KAAKuN,UAAY,CAAC,IAAID,YAAY,KAAM,IAAIA,YAAY,KAAM,IAAIA,YAAY,KAAM,IAAIA,YAAY,MACpGtN,KAAKwN,KAAO,IAAIF,YAAY,KAC5BtN,KAAKyN,QAAU,IAAIH,YAAY,KAG/BtN,KAAKK,IAAM,IAAIiN,YAAY,GAE3BtN,KAAK0N,Y,2BAIPC,yBAAA,SAA0BC,GAGxB,IAFA,IAAIC,EAAO,IAAIC,SAASF,GACpBG,EAAW,IAAIT,YAAY,GACtB5F,EAAI,EAAGA,EAAI,EAAGA,IACrBqG,EAASrG,GAAKmG,EAAKG,UAAc,EAAJtG,GAG/B,OAAOqG,G,EAGTL,UAAA,WACE,IAAIF,EAAOxN,KAAKwN,KACZC,EAAUzN,KAAKyN,QACfJ,EAASrN,KAAKqN,OACdY,EAAUZ,EAAO,GACjBa,EAAUb,EAAO,GACjBc,EAAUd,EAAO,GACjBe,EAAUf,EAAO,GACjBE,EAAYvN,KAAKuN,UACjBc,EAAad,EAAU,GACvBe,EAAaf,EAAU,GACvBgB,EAAahB,EAAU,GACvBiB,EAAajB,EAAU,GAEvBkB,EAAI,IAAInB,YAAY,KACpBoB,EAAI,EACJC,EAAK,EACLjH,EAAI,EACR,IAAKA,EAAI,EAAGA,EAAI,IAAKA,IAEjB+G,EAAE/G,GADAA,EAAI,IACCA,GAAK,EAEJA,GAAK,EAAK,IAItB,IAAKA,EAAI,EAAGA,EAAI,IAAKA,IAAK,CACxB,IAAIkH,EAAKD,EAAMA,GAAM,EAAMA,GAAM,EAAMA,GAAM,EAAMA,GAAM,EACzDC,EAAMA,IAAO,EAAW,IAALA,EAAa,GAChCpB,EAAKkB,GAAKE,EACVnB,EAAQmB,GAAMF,EAGd,IAAIG,EAAKJ,EAAEC,GACPI,EAAKL,EAAEI,GACPE,EAAKN,EAAEK,GAGPE,EAAa,IAARP,EAAEG,GAAqB,SAALA,EAC3BX,EAAQS,GAAMM,GAAK,GAAOA,IAAM,EAChCd,EAAQQ,GAAMM,GAAK,GAAOA,IAAM,GAChCb,EAAQO,GAAMM,GAAK,EAAMA,IAAM,GAC/BZ,EAAQM,GAAKM,EAGbA,EAAU,SAALD,EAAwB,MAALD,EAAsB,IAALD,EAAmB,SAAJH,EACxDL,EAAWO,GAAOI,GAAK,GAAOA,IAAM,EACpCV,EAAWM,GAAOI,GAAK,GAAOA,IAAM,GACpCT,EAAWK,GAAOI,GAAK,EAAMA,IAAM,GACnCR,EAAWI,GAAMI,EAGZN,GAGHA,EAAIG,EAAKJ,EAAEA,EAAEA,EAAEM,EAAKF,KACpBF,GAAMF,EAAEA,EAAEE,KAHVD,EAAIC,EAAK,I,EAQf1B,UAAA,SAAWgC,GAMT,IAJA,IAAI5O,EAAML,KAAK2N,yBAAyBsB,GACpCC,GAAU,EACVnI,EAAS,EAENA,EAAS1G,EAAI2G,QAAUkI,GAC5BA,EAAW7O,EAAI0G,KAAY/G,KAAKK,IAAI0G,GACpCA,IAGF,IAAImI,EAAJ,CAIAlP,KAAKK,IAAMA,EACX,IAAI8O,EAAUnP,KAAKmP,QAAU9O,EAAI2G,OAEjC,GAAgB,IAAZmI,GAA6B,IAAZA,GAA6B,IAAZA,EACpC,MAAM,IAAI9D,MAAM,wBAA0B8D,GAG5C,IACIC,EACAC,EAaAC,EACAN,EAhBAO,EAASvP,KAAKuP,OAA6B,GAAnBJ,EAAU,EAAI,GAItCK,EAAcxP,KAAKwP,YAAc,IAAIlC,YAAYiC,GACjDE,EAAiBzP,KAAKyP,eAAiB,IAAInC,YAAYiC,GACvDG,EAAO1P,KAAKwN,KACZJ,EAAOpN,KAAKoN,KAEZG,EAAYvN,KAAKuN,UACjBc,EAAad,EAAU,GACvBe,EAAaf,EAAU,GACvBgB,EAAahB,EAAU,GACvBiB,EAAajB,EAAU,GAK3B,IAAK6B,EAAQ,EAAGA,EAAQG,EAAQH,IAC1BA,EAAQD,EACVG,EAAOE,EAAYJ,GAAS/O,EAAI+O,IAGlCJ,EAAIM,EAEAF,EAAQD,GAAY,GAKtBH,EAAKU,GAHLV,EAAKA,GAAK,EAAMA,IAAM,MAGN,KAAO,GAAOU,EAAMV,IAAM,GAAM,MAAS,GAAOU,EAAMV,IAAM,EAAK,MAAS,EAAKU,EAAS,IAAJV,GAGpGA,GAAK5B,EAAMgC,EAAQD,EAAW,IAAM,IAC3BA,EAAU,GAAKC,EAAQD,GAAY,IAE5CH,EAAKU,EAAKV,IAAM,KAAO,GAAOU,EAAMV,IAAM,GAAM,MAAS,GAAOU,EAAMV,IAAM,EAAK,MAAS,EAAKU,EAAS,IAAJV,IAGtGQ,EAAYJ,GAASE,GAAQE,EAAYJ,EAAQD,GAAWH,KAAO,GAGrE,IAAKK,EAAW,EAAGA,EAAWE,EAAQF,IACpCD,EAAQG,EAASF,EAEfL,EADa,EAAXK,EACEG,EAAYJ,GAEZI,EAAYJ,EAAQ,GAIxBK,EAAeJ,GADbA,EAAW,GAAKD,GAAS,EACAJ,EAEAX,EAAWqB,EAAKV,IAAM,KAAOV,EAAWoB,EAAMV,IAAM,GAAM,MAAST,EAAWmB,EAAMV,IAAM,EAAK,MAASR,EAAWkB,EAAS,IAAJV,IAGrJS,EAAeJ,GAAYI,EAAeJ,KAAc,I,EAK5DM,uBAAA,SAAwBC,GACtB,OAAQA,GAAQ,IAAe,MAAPA,IAAkB,GAAc,SAAPA,IAAoB,EAAMA,IAAS,I,EAGtF9C,QAAA,SAAS+C,EAAkB9I,EAAQ8F,EAAOiD,GA2BxC,IA1BA,IAmBIC,EAAIC,EAAIC,EAAIC,EACZC,EAAIC,EAAIC,EAAIC,EACZC,EAAaC,EAAaC,EAAaC,EAEvCtB,EAAO1H,EAhNgBuB,EACvB0H,EACAC,EAuLAC,EAAU7Q,KAAKmP,QAAU,EACzBM,EAAiBzP,KAAKyP,eACtBqB,EAAU9Q,KAAKyN,QAEfF,EAAYvN,KAAKuN,UACjBc,EAAad,EAAU,GACvBe,EAAaf,EAAU,GACvBgB,EAAahB,EAAU,GACvBiB,EAAajB,EAAU,GAEvBwD,EAAa/Q,KAAK2N,yBAAyBd,GAC3CmE,EAAcD,EAAW,GACzBE,EAAcF,EAAW,GACzBG,EAAcH,EAAW,GACzBI,EAAcJ,EAAW,GAEzBK,EAAa,IAAIC,WAAWxB,GAC5ByB,EAAc,IAAID,WAAWD,EAAWpK,QAOxCuK,EAAWvR,KAAK2P,uBAEb5I,EAASqK,EAAWpK,QAAQ,CAcjC,IAbAuJ,EAAcgB,EAASH,EAAWrK,IAClCyJ,EAAce,EAASH,EAAWrK,EAAS,IAC3C0J,EAAcc,EAASH,EAAWrK,EAAS,IAC3C2J,EAAca,EAASH,EAAWrK,EAAS,IAE3CoJ,EAAKI,EAAcd,EAAe,GAClCW,EAAKM,EAAcjB,EAAe,GAClCY,EAAKI,EAAchB,EAAe,GAClCa,EAAKE,EAAcf,EAAe,GAElCL,EAAQ,EAGH1H,EAAI,EAAGA,EAAImJ,EAASnJ,IACvBqI,EAAK1B,EAAW8B,IAAO,IAAM7B,EAAY8B,GAAM,GAAM,KAAQ7B,EAAY8B,GAAM,EAAK,KAAQ7B,EAAgB,IAAL8B,GAAab,EAAeL,GACnIY,EAAK3B,EAAW+B,IAAO,IAAM9B,EAAY+B,GAAM,GAAM,KAAQ9B,EAAY+B,GAAM,EAAK,KAAQ9B,EAAgB,IAAL2B,GAAaV,EAAeL,EAAQ,GAC3Ia,EAAK5B,EAAWgC,IAAO,IAAM/B,EAAYgC,GAAM,GAAM,KAAQ/B,EAAY4B,GAAM,EAAK,KAAQ3B,EAAgB,IAAL4B,GAAaX,EAAeL,EAAQ,GAC3Ic,EAAK7B,EAAWiC,IAAO,IAAMhC,EAAY6B,GAAM,GAAM,KAAQ5B,EAAY6B,GAAM,EAAK,KAAQ5B,EAAgB,IAAL6B,GAAaZ,EAAeL,EAAQ,GAE3Ie,EAAKJ,EACLK,EAAKJ,EACLK,EAAKJ,EACLK,EAAKJ,EAELd,GAAgB,EAIlBW,EAAOe,EAAQX,IAAO,KAAO,GAAOW,EAASV,GAAM,GAAM,MAAS,GAAOU,EAAST,GAAM,EAAK,MAAS,EAAKS,EAAa,IAALR,GAAcb,EAAeL,GAChJY,EAAOc,EAAQV,IAAO,KAAO,GAAOU,EAAST,GAAM,GAAM,MAAS,GAAOS,EAASR,GAAM,EAAK,MAAS,EAAKQ,EAAa,IAALX,GAAcV,EAAeL,EAAQ,GACxJa,EAAOa,EAAQT,IAAO,KAAO,GAAOS,EAASR,GAAM,GAAM,MAAS,GAAOQ,EAASX,GAAM,EAAK,MAAS,EAAKW,EAAa,IAALV,GAAcX,EAAeL,EAAQ,GACxJc,EAAOY,EAAQR,IAAO,KAAO,GAAOQ,EAASX,GAAM,GAAM,MAAS,GAAOW,EAASV,GAAM,EAAK,MAAS,EAAKU,EAAa,IAALT,GAAcZ,EAAeL,EAAQ,GACxJA,GAAgB,EAGhBkC,EAAYvK,GAAUwK,EAASxB,EAAKiB,GACpCM,EAAYvK,EAAS,GAAKwK,EAASrB,EAAKe,GACxCK,EAAYvK,EAAS,GAAKwK,EAAStB,EAAKiB,GACxCI,EAAYvK,EAAS,GAAKwK,EAASvB,EAAKmB,GAGxCH,EAAcT,EACdU,EAAcT,EACdU,EAAcT,EACdU,EAAcT,EAEd3J,GAAkB,EAGpB,OAAO+I,GArQoB7G,EAqQeqI,EAAYrI,OApQlD0H,EAAc1H,EAAOP,YACrBkI,EAAeD,GAAgB,IAAI7C,SAAS7E,GAASuI,SAASb,EAAc,IAEzE1H,EAAOwI,MAAM,EAAGd,EAAcC,GAE9B3H,GA+PyDqI,EAAYrI,Q,EAG9EyI,QAAA,WACE1R,KAAKK,SAAMsR,EACX3R,KAAKmP,aAAUwC,EACf3R,KAAKuP,YAASoC,EAEd3R,KAAKwN,UAAOmE,EACZ3R,KAAKyN,aAAUkE,EACf3R,KAAKqN,YAASsE,EACd3R,KAAKuN,eAAYoE,EACjB3R,KAAKwP,iBAAcmC,EACnB3R,KAAKyP,oBAAiBkC,EAEtB3R,KAAKoN,UAAOuE,G,iCCzQVlQ,EAASC,cAETkQ,E,WACJ,WAAaC,EAAUC,EAAvB,GAAmE,kBAAJ,GAAI,GAAlChC,0BAAkC,SAMjE,GALA9P,KAAK+R,YAAa,EAClB/R,KAAK6R,SAAWA,EAChB7R,KAAK8R,OAASA,EACd9R,KAAK8P,mBAAqBA,EAEtBA,EACF,IACE,IAAMkC,EAAgBvQ,EAAOwQ,OACzBD,IACFhS,KAAK2M,OAASqF,EAAcrF,QAAUqF,EAAcE,cAEtD,MAAO7P,IAEXrC,KAAKmS,kBAAoBnS,KAAK2M,O,2BAGhCyF,OAAA,WACE,OAAQpS,KAAKmS,kBAAoBnS,KAAK8R,OAAOO,mB,EAG/CvF,QAAA,SAAShG,EAAMzG,EAAKuM,EAAI0F,GAAU,WAChC,GAAItS,KAAKmS,kBAAoBnS,KAAK8R,OAAOO,kBAAmB,CACtDrS,KAAK+R,aACPzP,IAAOrB,IAAI,kBACXjB,KAAK+R,YAAa,GAEpB,IAAIQ,EAAYvS,KAAKuS,UAChBA,IACHvS,KAAKuS,UAAYA,EAAY,IAAIpF,GAGnCoF,EAAUtF,UAAU5M,GACpBiS,EAASC,EAAUzF,QAAQhG,EAAM,EAAG8F,EAAI5M,KAAK8P,yBACxC,CACD9P,KAAK+R,aACPzP,IAAOrB,IAAI,yBACXjB,KAAK+R,YAAa,GAEpB,IAAMpF,EAAS3M,KAAK2M,OAChB3M,KAAKK,MAAQA,IACfL,KAAKK,IAAMA,EACXL,KAAKwS,WAAa,IAAIxF,EAAWL,EAAQtM,IAG3CL,KAAKwS,WAAWvF,YACbwF,MAAK,SAACC,GAEQ,IAAIhG,EAAUC,EAAQC,GAC5BE,QAAQhG,EAAM4L,GAClBC,OAAM,SAACC,GACN,EAAKC,iBAAiBD,EAAK9L,EAAMzG,EAAKuM,EAAI0F,MAE3CG,MAAK,SAACnM,GACLgM,EAAShM,SAGdqM,OAAM,SAACC,GACN,EAAKC,iBAAiBD,EAAK9L,EAAMzG,EAAKuM,EAAI0F,Q,EAKlDO,iBAAA,SAAkBD,EAAK9L,EAAMzG,EAAKuM,EAAI0F,GAChCtS,KAAK8R,OAAOO,mBACd/P,IAAOrB,IAAI,0CACXjB,KAAKmS,kBAAmB,EACxBnS,KAAK+R,YAAa,EAClB/R,KAAK8M,QAAQhG,EAAMzG,EAAKuM,EAAI0F,KAE5BhQ,IAAOlB,MAAP,sBAAmCwR,EAAIE,SACvC9S,KAAK6R,SAASkB,QAAQC,IAAMzN,MAAO,CAAEhE,KAAMsE,IAAWoN,YAAaC,QAASpN,IAAaqN,mBAAoBC,OAAO,EAAMC,OAAQT,EAAIE,Y,EAI1IpB,QAAA,WACE,IAAIa,EAAYvS,KAAKuS,UACjBA,IACFA,EAAUb,UACV1R,KAAKuS,eAAYZ,I,KAKRC,O,iCC1DA0B,E,kCApCNC,eAAP,SAAuBC,EAAOC,GAC5B,OAAQD,GACR,IAAK,YACH,GAAqB,IAAjBC,EACF,OAAO,IAAI9K,WAAW,CAAC,EAAM,IAAM,EAAM,IAAM,GAAM,MAChD,GAAqB,IAAjB8K,EACT,OAAO,IAAI9K,WAAW,CAAC,GAAM,EAAM,GAAM,IAAM,EAAM,GAAM,EAAM,GAAM,MAClE,GAAqB,IAAjB8K,EACT,OAAO,IAAI9K,WAAW,CAAC,EAAM,IAAM,EAAM,IAAM,GAAM,IAAM,EAAM,GAAM,GAAM,EAAM,IAAM,EAAM,MAC1F,GAAqB,IAAjB8K,EACT,OAAO,IAAI9K,WAAW,CAAC,EAAM,IAAM,EAAM,IAAM,GAAM,IAAM,EAAM,GAAM,GAAM,EAAM,IAAM,EAAM,IAAM,GAAM,IAAM,EAAM,EAAM,KACxH,GAAqB,IAAjB8K,EACT,OAAO,IAAI9K,WAAW,CAAC,EAAM,IAAM,EAAM,IAAM,GAAM,IAAM,EAAM,GAAM,GAAM,EAAM,IAAM,EAAM,IAAM,GAAM,EAAM,IAAM,EAAM,GAAM,IAAM,EAAM,KAC1I,GAAqB,IAAjB8K,EACT,OAAO,IAAI9K,WAAW,CAAC,EAAM,IAAM,EAAM,IAAM,GAAM,IAAM,EAAM,GAAM,GAAM,EAAM,IAAM,EAAM,IAAM,GAAM,EAAM,IAAM,EAAM,GAAM,IAAM,EAAM,EAAM,IAAM,EAAM,GAAM,EAAM,MAG/K,MAEF,QACE,GAAqB,IAAjB8K,EAEF,OAAO,IAAI9K,WAAW,CAAC,EAAK,GAAM,GAAM,IAAM,IAAM,GAAM,IAAM,IAAM,IAAM,EAAK,EAAK,EAAK,EAAK,GAAM,EAAK,IAAM,IAAM,GAAK,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,KACvW,GAAqB,IAAjB8K,EAET,OAAO,IAAI9K,WAAW,CAAC,EAAK,GAAM,GAAM,IAAM,IAAM,GAAM,IAAM,IAAM,IAAM,EAAK,EAAK,EAAK,EAAK,EAAK,IAAM,EAAK,EAAK,IAAM,IAAM,GAAK,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,KACrW,GAAqB,IAAjB8K,EAET,OAAO,IAAI9K,WAAW,CAAC,EAAK,GAAM,GAAM,IAAM,IAAM,GAAM,IAAM,IAAM,IAAM,EAAK,EAAK,EAAK,EAAK,EAAK,IAAM,EAAK,EAAK,IAAM,IAAM,GAAK,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,GAAM,KAI9W,OAAO,M,KCjCL+K,EAAanN,KAAKoN,IAAI,EAAG,IAAM,EAwoBtBC,E,kCAroBNC,KAAP,WAwCE,IAAInM,EACJ,IAAKA,KAxCLkM,EAAIE,MAAQ,CACVC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACN,OAAQ,GACRC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,GACNC,KAAM,IAIErC,EAAIE,MACRF,EAAIE,MAAMrT,eAAeiH,KAC3BkM,EAAIE,MAAMpM,GAAK,CACbA,EAAEwO,WAAW,GACbxO,EAAEwO,WAAW,GACbxO,EAAEwO,WAAW,GACbxO,EAAEwO,WAAW,KAKnB,IAAIC,EAAY,IAAIxN,WAAW,CAC7B,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAClB,IAAM,IAAM,IAAM,IAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,GAAM,IAAM,IAAM,IAClB,IAAM,GAAM,GAAM,IAClB,IAAM,IAAM,IAAM,IAAM,IAGtByN,EAAY,IAAIzN,WAAW,CAC7B,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAClB,IAAM,IAAM,IAAM,IAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,GAAM,IAAM,IAAM,IAClB,IAAM,GAAM,GAAM,IAClB,IAAM,IAAM,IAAM,IAAM,IAG1BiL,EAAIyC,WAAa,CACf,MAASF,EACT,MAASC,GAGX,IAAIjC,EAAO,IAAIxL,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,GAClB,IAAM,IAAM,IAAM,GAClB,EACA,EAAM,EAAM,IAGVyM,EAAO,IAAIzM,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,IAGpBiL,EAAI0C,KAAO1C,EAAI2C,KAAO3C,EAAI4C,KAAOpB,EAEjCxB,EAAI6C,KAAO,IAAI9N,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,IAEpBiL,EAAI8C,KAAO,IAAI/N,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EACN,EAAM,EACN,EAAM,EACN,EAAM,IAERiL,EAAI+C,KAAO,IAAIhO,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EACN,EAAM,IAGRiL,EAAIgD,KAAO,IAAIjO,WAAW,CACxB,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,IAEpB,IAAIkO,EAAa,IAAIlO,WAAW,CAAC,IAAK,IAAK,IAAK,MAC5CmO,EAAY,IAAInO,WAAW,CAAC,GAAI,IAAK,GAAI,KACzCoO,EAAe,IAAIpO,WAAW,CAAC,EAAG,EAAG,EAAG,IAE5CiL,EAAIoD,KAAOpD,EAAIqD,IAAIrD,EAAIE,MAAMO,KAAMwC,EAAYE,EAAcF,EAAYC,GACzElD,EAAIsD,KAAOtD,EAAIqD,IAAIrD,EAAIE,MAAMI,KAAMN,EAAIqD,IAAIrD,EAAIE,MAAMK,KAAMA,K,EAGtD8C,IAAP,SAAY1V,GAQV,IAPA,IAKE+E,EAJA6Q,EAAUC,MAAM5W,UAAUiR,MAAM/Q,KAAK2W,UAAW,GAChD/P,EAAO,EACPI,EAAIyP,EAAQnQ,OACZkD,EAAMxC,EAGDA,KACLJ,GAAQ6P,EAAQzP,GAAGgB,WAUrB,KAPApC,EAAS,IAAIqC,WAAWrB,IACjB,GAAMA,GAAQ,GAAM,IAC3BhB,EAAO,GAAMgB,GAAQ,GAAM,IAC3BhB,EAAO,GAAMgB,GAAQ,EAAK,IAC1BhB,EAAO,GAAY,IAAPgB,EACZhB,EAAOgR,IAAI/V,EAAM,GAEZmG,EAAI,EAAGJ,EAAO,EAAGI,EAAIwC,EAAKxC,IAE7BpB,EAAOgR,IAAIH,EAAQzP,GAAIJ,GACvBA,GAAQ6P,EAAQzP,GAAGgB,WAErB,OAAOpC,G,EAGFgO,KAAP,SAAa/S,GACX,OAAOqS,EAAIqD,IAAIrD,EAAIE,MAAMQ,KAAMV,EAAIyC,WAAW9U,K,EAGzCgT,KAAP,SAAazN,GACX,OAAO8M,EAAIqD,IAAIrD,EAAIE,MAAMS,KAAMzN,I,EAG1B0N,KAAP,SAAa+C,EAAWC,GACtBA,GAAYD,EACZ,IAAME,EAAoBlR,KAAKmR,MAAMF,GAAY9D,EAAa,IACxDiE,EAAoBpR,KAAKmR,MAAMF,GAAY9D,EAAa,IAC9D,OAAOE,EAAIqD,IAAIrD,EAAIE,MAAMU,KAAM,IAAI7L,WAAW,CAC5C,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAC1C,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EACzC4O,GAAa,GAAM,IACnBA,GAAa,GAAM,IACnBA,GAAa,EAAK,IACP,IAAZA,EACCE,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACCE,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACA,GAAM,IACN,EAAM,M,EAIHlD,KAAP,SAAamD,GACX,OAAOhE,EAAIqD,IAAIrD,EAAIE,MAAMW,KAAMb,EAAIY,KAAKoD,EAAML,UAAWK,EAAMJ,UAAW5D,EAAIU,KAAKsD,EAAMrW,MAAOqS,EAAIe,KAAKiD,K,EAGpGlD,KAAP,SAAamD,GACX,OAAOjE,EAAIqD,IAAIrD,EAAIE,MAAMY,KAAM,IAAI/L,WAAW,CAC5C,EACA,EAAM,EAAM,EACXkP,GAAkB,GAClBA,GAAkB,GAAM,IACxBA,GAAkB,EAAK,IACP,IAAjBA,M,EAIGlD,KAAP,SAAaiD,GACX,MAAmB,UAAfA,EAAMrW,KACDqS,EAAIqD,IAAIrD,EAAIE,MAAMa,KAAMf,EAAIqD,IAAIrD,EAAIE,MAAMmC,KAAMrC,EAAI+C,MAAO/C,EAAIsD,KAAMtD,EAAIuB,KAAKyC,IAE9EhE,EAAIqD,IAAIrD,EAAIE,MAAMa,KAAMf,EAAIqD,IAAIrD,EAAIE,MAAMkC,KAAMpC,EAAI8C,MAAO9C,EAAIsD,KAAMtD,EAAIuB,KAAKyC,K,EAIlFhD,KAAP,SAAakD,EAAIC,EAAqBH,GACpC,OAAOhE,EAAIqD,IAAIrD,EAAIE,MAAMc,KAAMhB,EAAIc,KAAKoD,GAAKlE,EAAI+B,KAAKiC,EAAOG,K,EAKxDlD,KAAP,SAAamD,GAKX,IAJA,IACEtQ,EAAIsQ,EAAOhR,OACXiR,EAAQ,GAEHvQ,KACLuQ,EAAMvQ,GAAKkM,EAAIgC,KAAKoC,EAAOtQ,IAG7B,OAAOkM,EAAIqD,IAAIlV,MAAM,KAAM,CAAC6R,EAAIE,MAAMe,KAAMjB,EAAIoB,KAAKgD,EAAO,GAAGT,UAAWS,EAAO,GAAGR,WAAWU,OAAOD,GAAOC,OAAOtE,EAAImB,KAAKiD,M,EAGxHjD,KAAP,SAAaiD,GAKX,IAJA,IACEtQ,EAAIsQ,EAAOhR,OACXiR,EAAQ,GAEHvQ,KACLuQ,EAAMvQ,GAAKkM,EAAIkC,KAAKkC,EAAOtQ,IAG7B,OAAOkM,EAAIqD,IAAIlV,MAAM,KAAM,CAAC6R,EAAIE,MAAMiB,MAAMmD,OAAOD,K,EAG9CjD,KAAP,SAAauC,EAAWC,GACtBA,GAAYD,EACZ,IAAME,EAAoBlR,KAAKmR,MAAMF,GAAY9D,EAAa,IACxDiE,EAAoBpR,KAAKmR,MAAMF,GAAY9D,EAAa,IAE5DyE,EAAQ,IAAIxP,WAAW,CACrB,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAC1C,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EACzC4O,GAAa,GAAM,IACnBA,GAAa,GAAM,IACnBA,GAAa,EAAK,IACP,IAAZA,EACCE,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACCE,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACA,EAAM,EAAM,EAAM,EAClB,EAAM,EACN,EAAM,EACN,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,GAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,IAAM,IAAM,IAAM,MAEtB,OAAO/D,EAAIqD,IAAIrD,EAAIE,MAAMkB,KAAMmD,I,EAG1BjD,KAAP,SAAa0C,GACX,IAGEQ,EACA1Q,EAHA2Q,EAAUT,EAAMS,SAAW,GAC3BF,EAAQ,IAAIxP,WAAW,EAAI0P,EAAQrR,QAKrC,IAAKU,EAAI,EAAGA,EAAI2Q,EAAQrR,OAAQU,IAC9B0Q,EAAQC,EAAQ3Q,GAAG0Q,MACnBD,EAAMzQ,EAAI,GAAM0Q,EAAME,WAAa,EAChCF,EAAMG,cAAgB,EACtBH,EAAMI,cAGX,OAAO5E,EAAIqD,IAAIrD,EAAIE,MAAMoB,KAAMiD,I,EAG1BhD,KAAP,SAAayC,GACX,OAAOhE,EAAIqD,IAAIrD,EAAIE,MAAMqB,KAAMvB,EAAI0B,KAAKsC,GAAQhE,EAAIqD,IAAIrD,EAAIE,MAAM0B,KAAM5B,EAAI0C,MAAO1C,EAAIqD,IAAIrD,EAAIE,MAAMuB,KAAMzB,EAAI2C,MAAO3C,EAAIqD,IAAIrD,EAAIE,MAAMyB,KAAM3B,EAAI6C,MAAO7C,EAAIqD,IAAIrD,EAAIE,MAAMsB,KAAMxB,EAAI4C,Q,EAGhLzC,KAAP,SAAa6D,GACX,IAAwBlQ,EAAGZ,EAAMoD,EAA7BuO,EAAM,GAAIC,EAAM,GAGpB,IAAKhR,EAAI,EAAGA,EAAIkQ,EAAMa,IAAIzR,OAAQU,IAEhCwC,GADApD,EAAO8Q,EAAMa,IAAI/Q,IACNgB,WACX+P,EAAIpQ,KAAM6B,IAAQ,EAAK,KACvBuO,EAAIpQ,KAAY,IAAN6B,GAGVuO,EAAMA,EAAIP,OAAOd,MAAM5W,UAAUiR,MAAM/Q,KAAKoG,IAI9C,IAAKY,EAAI,EAAGA,EAAIkQ,EAAMc,IAAI1R,OAAQU,IAEhCwC,GADApD,EAAO8Q,EAAMc,IAAIhR,IACNgB,WACXgQ,EAAIrQ,KAAM6B,IAAQ,EAAK,KACvBwO,EAAIrQ,KAAY,IAAN6B,GAEVwO,EAAMA,EAAIR,OAAOd,MAAM5W,UAAUiR,MAAM/Q,KAAKoG,IAG9C,IAAI6R,EAAO/E,EAAIqD,IAAIrD,EAAIE,MAAME,KAAM,IAAIrL,WAAW,CAC9C,EACA8P,EAAI,GACJA,EAAI,GACJA,EAAI,GACJ,IACA,IAAOb,EAAMa,IAAIzR,QACjBkR,OAAOO,GAAKP,OAAO,CACnBN,EAAMc,IAAI1R,SACTkR,OAAOQ,KACVE,EAAQhB,EAAMgB,MACdC,EAASjB,EAAMiB,OACfC,EAAWlB,EAAMmB,WAAW,GAC5BC,EAAWpB,EAAMmB,WAAW,GAE9B,OAAOnF,EAAIqD,IAAIrD,EAAIE,MAAMC,KAAM,IAAIpL,WAAW,CAC5C,EAAM,EAAM,EACZ,EAAM,EAAM,EACZ,EAAM,EACN,EAAM,EACN,EAAM,EACN,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EACjBiQ,GAAS,EAAK,IACP,IAARA,EACCC,GAAU,EAAK,IACP,IAATA,EACA,EAAM,GAAM,EAAM,EAClB,EAAM,GAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EACN,GACA,IAAM,GAAM,IAAM,IAClB,IAAM,IAAM,IAAM,IAClB,IAAM,IAAM,IAAM,GAClB,IAAM,IAAM,IAAM,GAClB,IAAM,IAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EACZ,EAAM,GACN,GAAM,KACRF,EACA/E,EAAIqD,IAAIrD,EAAIE,MAAMG,KAAM,IAAItL,WAAW,CACrC,EAAM,GAAM,IAAM,IAClB,EAAM,GAAM,IAAM,IAClB,EAAM,GAAM,IAAM,OACpBiL,EAAIqD,IAAIrD,EAAIE,MAAMmB,KAAM,IAAItM,WAAW,CACpCmQ,GAAY,GACZA,GAAY,GAAM,IAClBA,GAAY,EAAK,IACP,IAAXA,EACCE,GAAY,GACZA,GAAY,GAAM,IAClBA,GAAY,EAAK,IACP,IAAXA,O,EAIG5E,KAAP,SAAawD,GACX,IAAIqB,EAAYrB,EAAM9F,OAAO9K,OAC7B,OAAO,IAAI2B,WAAW,CACpB,EACA,EAAM,EAAM,EAEZ,EACA,GAAOsQ,EACP,EAAM,EACN,EAEA,EACA,GAAOA,EACP,GACA,GACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAElB,GACAf,OAAO,CAACe,IAAYf,OAAON,EAAM9F,QAAQoG,OAAO,CAAC,EAAM,EAAM,M,EAG1DpD,KAAP,SAAa8C,GACX,IAAIsB,EAAatB,EAAMsB,WACvB,OAAOtF,EAAIqD,IAAIrD,EAAIE,MAAMgB,KAAM,IAAInM,WAAW,CAC5C,EAAM,EAAM,EACZ,EAAM,EAAM,EACZ,EAAM,EACN,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAMiP,EAAMnE,aACZ,EAAM,GACN,EAAM,EAAM,EAAM,EACjByF,GAAc,EAAK,IACP,IAAbA,EACA,EAAM,IACRtF,EAAIqD,IAAIrD,EAAIE,MAAMM,KAAMR,EAAIQ,KAAKwD,M,EAG5BuB,IAAP,SAAYvB,GACV,IAAIsB,EAAatB,EAAMsB,WACvB,OAAOtF,EAAIqD,IAAIrD,EAAIE,MAAM,QAAS,IAAInL,WAAW,CAC/C,EAAM,EAAM,EACZ,EAAM,EAAM,EACZ,EAAM,EACN,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAMiP,EAAMnE,aACZ,EAAM,GACN,EAAM,EAAM,EAAM,EACjByF,GAAc,EAAK,IACP,IAAbA,EACA,EAAM,M,EAGH5D,KAAP,SAAasC,GACX,MAAmB,UAAfA,EAAMrW,KACHqW,EAAMwB,OAAyB,QAAhBxB,EAAMpE,MAInBI,EAAIqD,IAAIrD,EAAIE,MAAMwB,KAAM1B,EAAIgD,KAAMhD,EAAIkB,KAAK8C,IAHzChE,EAAIqD,IAAIrD,EAAIE,MAAMwB,KAAM1B,EAAIgD,KAAMhD,EAAIuF,IAAIvB,IAK5ChE,EAAIqD,IAAIrD,EAAIE,MAAMwB,KAAM1B,EAAIgD,KAAMhD,EAAIG,KAAK6D,K,EAI/C7B,KAAP,SAAa6B,GACX,IAAIyB,EAAKzB,EAAMyB,GACb7B,EAAWI,EAAMJ,SAAWI,EAAML,UAClCqB,EAAQhB,EAAMgB,MACdC,EAASjB,EAAMiB,OACfpB,EAAoBlR,KAAKmR,MAAMF,GAAY9D,EAAa,IACxDiE,EAAoBpR,KAAKmR,MAAMF,GAAY9D,EAAa,IAC1D,OAAOE,EAAIqD,IAAIrD,EAAIE,MAAMiC,KAAM,IAAIpN,WAAW,CAC5C,EACA,EAAM,EAAM,EACZ,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAC1C,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EAAM,EACzC0Q,GAAM,GAAM,IACZA,GAAM,GAAM,IACZA,GAAM,EAAK,IACP,IAALA,EACA,EAAM,EAAM,EAAM,EACjB5B,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACCE,GAAqB,GACrBA,GAAqB,GAAM,IAC3BA,GAAqB,EAAK,IACP,IAApBA,EACA,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EACN,EAAM,EACN,EAAM,EACN,EAAM,EACN,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,GAAM,EAAM,EAAM,EACjBiB,GAAS,EAAK,IACP,IAARA,EACA,EAAM,EACLC,GAAU,EAAK,IACP,IAATA,EACA,EAAM,M,EAIHlD,KAAP,SAAaiC,EAAOG,GAClB,IAAIuB,EAAwB1F,EAAIsB,KAAK0C,GACnCyB,EAAKzB,EAAMyB,GACXE,EAA+BhT,KAAKmR,MAAMK,GAAuBrE,EAAa,IAC9E8F,EAA+BjT,KAAKmR,MAAMK,GAAuBrE,EAAa,IAChF,OAAOE,EAAIqD,IAAIrD,EAAIE,MAAM6B,KACvB/B,EAAIqD,IAAIrD,EAAIE,MAAM4B,KAAM,IAAI/M,WAAW,CACrC,EACA,EAAM,EAAM,EACX0Q,GAAM,GACNA,GAAM,GAAM,IACZA,GAAM,EAAK,IACN,IAALA,KAEHzF,EAAIqD,IAAIrD,EAAIE,MAAM2B,KAAM,IAAI9M,WAAW,CACrC,EACA,EAAM,EAAM,EACX4Q,GAAgC,GAChCA,GAAgC,GAAM,IACtCA,GAAgC,EAAK,IACN,IAA/BA,EACAC,GAAgC,GAChCA,GAAgC,GAAM,IACtCA,GAAgC,EAAK,IACN,IAA/BA,KAEH5F,EAAIiC,KAAK+B,EACP0B,EAAsBtS,OACV,GACA,GACA,EACA,GACA,EACA,GACdsS,I,EAQG1D,KAAP,SAAagC,GAEX,OADAA,EAAMJ,SAAWI,EAAMJ,UAAY,WAC5B5D,EAAIqD,IAAIrD,EAAIE,MAAM8B,KAAMhC,EAAImC,KAAK6B,GAAQhE,EAAIa,KAAKmD,K,EAGpD9B,KAAP,SAAa8B,GACX,IAAIyB,EAAKzB,EAAMyB,GACf,OAAOzF,EAAIqD,IAAIrD,EAAIE,MAAMgC,KAAM,IAAInN,WAAW,CAC5C,EACA,EAAM,EAAM,EACX0Q,GAAM,GACNA,GAAM,GAAM,IACZA,GAAM,EAAK,IACN,IAALA,EACD,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,EAClB,EAAM,EAAM,EAAM,M,EAIfxD,KAAP,SAAa+B,EAAO7Q,GAClB,IAIEW,EAAG+R,EAAQjC,EAAUlQ,EAAM8Q,EAAOsB,EAJhCrB,EAAUT,EAAMS,SAAW,GAC7BnO,EAAMmO,EAAQrR,OACd2S,EAAW,GAAM,GAAKzP,EACtBZ,EAAQ,IAAIX,WAAWgR,GAezB,IAbA5S,GAAU,EAAI4S,EACdrQ,EAAMgO,IAAI,CACR,EACA,EAAM,GAAM,EACXpN,IAAQ,GAAM,IACdA,IAAQ,GAAM,IACdA,IAAQ,EAAK,IACR,IAANA,EACCnD,IAAW,GAAM,IACjBA,IAAW,GAAM,IACjBA,IAAW,EAAK,IACR,IAATA,GACC,GACEW,EAAI,EAAGA,EAAIwC,EAAKxC,IAEnB8P,GADAiC,EAASpB,EAAQ3Q,IACC8P,SAClBlQ,EAAOmS,EAAOnS,KACd8Q,EAAQqB,EAAOrB,MACfsB,EAAMD,EAAOC,IACbpQ,EAAMgO,IAAI,CACPE,IAAa,GAAM,IACnBA,IAAa,GAAM,IACnBA,IAAa,EAAK,IACR,IAAXA,EACClQ,IAAS,GAAM,IACfA,IAAS,GAAM,IACfA,IAAS,EAAK,IACR,IAAPA,EACC8Q,EAAMwB,WAAa,EAAKxB,EAAME,UAC9BF,EAAMG,cAAgB,EACpBH,EAAMI,eAAiB,EACvBJ,EAAMyB,cAAgB,EACvBzB,EAAM0B,UACW,MAAnB1B,EAAM2B,WACa,GAAnB3B,EAAM2B,WACLL,IAAQ,GAAM,IACdA,IAAQ,GAAM,IACdA,IAAQ,EAAK,IACR,IAANA,GACC,GAAK,GAAKhS,GAEf,OAAOkM,EAAIqD,IAAIrD,EAAIE,MAAM+B,KAAMvM,I,EAG1B0Q,YAAP,SAAoBhC,GACbpE,EAAIE,OACPF,EAAIC,OAGN,IAA8BvN,EAA1B2T,EAAQrG,EAAIiB,KAAKmD,GAIrB,OAHA1R,EAAS,IAAIqC,WAAWiL,EAAIoD,KAAKtO,WAAauR,EAAMvR,aAC7C4O,IAAI1D,EAAIoD,MACf1Q,EAAOgR,IAAI2C,EAAOrG,EAAIoD,KAAKtO,YACpBpC,G,iCCxoBX,kCAcA,IAAM4T,EAAkCzT,YAA2B,IAC7D0T,EAAgC1T,YAA2B,IAE3D2T,E,WACJ,WAAavI,EAAUC,EAAQuI,EAAeC,GAC5Cta,KAAK6R,SAAWA,EAChB7R,KAAK8R,OAASA,EACd9R,KAAKqa,cAAgBA,EACrB,IAAME,EAAYC,UAAUD,UAC5Bva,KAAKya,SAAWH,GAAUA,EAAO1Q,QAAQ,UAAY,GAAK2Q,IAAcA,EAAUG,MAAM,SACxF1a,KAAK2a,aAAc,E,2BAGrBjJ,QAAA,a,EAGAkJ,eAAA,SAAgBC,GACd7a,KAAK8a,SAAW9a,KAAK+a,SAAWF,G,EAGlCG,iBAAA,WACEhb,KAAK2a,aAAc,G,EAGrBM,MAAA,SAAOC,EAAYC,EAAYC,EAAUC,EAAWC,EAAYC,EAAYC,GAM1E,GAJKxb,KAAK2a,aACR3a,KAAKyb,WAAWP,EAAYC,EAAYG,GAGtCtb,KAAK2a,YAAa,CACpB,IAAMe,EAAiBR,EAAW7C,QAAQrR,OACpC2U,EAAiBR,EAAW9C,QAAQrR,OACtC4U,EAAkBN,EAClBO,EAAkBP,EACtB,GAAII,GAAkBC,EAAgB,CAKpC,IAAIG,GAAsBZ,EAAW7C,QAAQ,GAAG0D,IAAMZ,EAAW9C,QAAQ,GAAG0D,KAAOZ,EAAWa,eAC9FJ,GAAmBrV,KAAK0V,IAAI,EAAGH,GAC/BD,GAAmBtV,KAAK0V,IAAI,GAAIH,GAKlC,GAAIJ,EAAgB,CAEbR,EAAW3D,YACdjV,IAAOpB,KAAK,4CACZlB,KAAKyb,WAAWP,EAAYC,EAAYG,IAE1C,IAGMY,EAHFC,EAAYnc,KAAKoc,WAAWlB,EAAYU,EAAiBL,EAAYC,GAEzE,GAAIG,EAEEQ,IACFD,EAAmBC,EAAUE,OAASF,EAAUG,UAI7CnB,EAAW5D,YACdjV,IAAOpB,KAAK,4CACZlB,KAAKyb,WAAWP,EAAYC,EAAYG,IAE1Ctb,KAAKuc,WAAWpB,EAAYU,EAAiBN,EAAYW,EAAkBV,QAI7E,GAAIG,EAAgB,CAClB,IAAIa,EAAYxc,KAAKuc,WAAWpB,EAAYU,EAAiBN,EAAY,EAAGC,GACxEgB,GAAatB,EAAW1H,OAC1BxT,KAAKyc,gBAAgBvB,EAAYU,EAAiBL,EAAYiB,IAMlEpB,EAAS/C,QAAQrR,QACnBhH,KAAK0c,SAAStB,EAAUE,GAItBD,EAAUhD,QAAQrR,QACpBhH,KAAK2c,UAAUtB,EAAWC,GAI5Btb,KAAK6R,SAASkB,QAAQC,IAAM9N,c,EAG9BuW,WAAA,SAAYP,EAAYC,EAAYG,GAClC,IAQEsB,EAASC,EAAStF,EARhB1F,EAAW7R,KAAK6R,SAClBiL,EAAe5B,EAAW7C,QAC1B0E,EAAe5B,EAAW9C,QAC1BgC,EAAgBra,KAAKqa,cACrB2C,EAAY,YACZhF,EAAS,GACTlR,EAAO,CAAEkR,OAAQA,GACjBiF,OAAmCtL,IAAlB3R,KAAK8a,SAqCxB,GAlCImC,IACFL,EAAUC,EAAUK,KAGlBhC,EAAWpJ,QAAUgL,EAAa9V,SAKpCkU,EAAW3D,UAAY2D,EAAWhC,WAClC5W,IAAOrB,IAAP,yBAAoCia,EAAWhC,YAC1CgC,EAAW9B,QACViB,EAAc8C,MAChBH,EAAY,aACZ9B,EAAW1H,MAAQ,IACV6G,EAAclB,MACvB+B,EAAW1H,MAAQ,QAGvBwE,EAAOoF,MAAQ,CACbJ,UAAWA,EACXxJ,MAAO0H,EAAW1H,MAClBwG,aAAckB,EAAW9B,OAASiB,EAAc8C,KAAO,IAAIxU,WAAeiL,EAAIoG,YAAY,CAACkB,IAC3FmC,SAAU,CACR5J,aAAcyH,EAAWzH,eAGzBwJ,IACF1F,EAAY2D,EAAWc,eAEvBY,EAAUC,EAAUC,EAAa,GAAGf,IAAMxV,KAAKF,MAAMkR,EAAY+D,KAIjEH,EAAW1C,KAAO0C,EAAWzC,KAAOqE,EAAa/V,OAAQ,CAG3D,IAAMgV,EAAiBb,EAAWa,eAClCb,EAAW5D,UAAYyE,EACvBhE,EAAOsF,MAAQ,CACbN,UAAW,YACXxJ,MAAO2H,EAAW3H,MAClBwG,YAAapG,EAAIoG,YAAY,CAACmB,IAC9BkC,SAAU,CACRzE,MAAOuC,EAAWvC,MAClBC,OAAQsC,EAAWtC,SAGnBoE,IACF1F,EAAY4D,EAAWa,eACvBY,EAAUrW,KAAKgX,IAAIX,EAASG,EAAa,GAAGhB,IAAMC,EAAiBV,GACnEuB,EAAUtW,KAAKgX,IAAIV,EAASE,EAAa,GAAGS,IAAMxB,EAAiBV,GACnEtb,KAAK6R,SAASkB,QAAQC,IAAMxO,eAAgB,CAAEoY,QAASA,EAASrF,eAIhEhX,OAAOkd,KAAKzF,GAAQhR,QACtB6K,EAASkB,QAAQC,IAAMlO,0BAA2BgC,GAClD9G,KAAK2a,aAAc,EACfsC,IACFjd,KAAK8a,SAAW8B,EAChB5c,KAAK+a,SAAW8B,IAGlBhL,EAASkB,QAAQC,IAAMzN,MAAO,CAAEhE,KAAMsE,IAAWoN,YAAaC,QAASpN,IAAa4X,mBAAoBtK,OAAO,EAAOC,OAAQ,kC,EAIlIkJ,WAAA,SAAY3E,EAAO0D,EAAYC,EAAYW,EAAkBV,GAC3D,IACImC,EACApJ,EACAK,EACAgJ,EACAC,EACAC,EACAC,EAPAhX,EAAS,EAQPiX,EAAYpG,EAAML,UAClB0G,EAAerG,EAAMS,QACrB6F,EAAgB,GAChBC,EAAYF,EAAajX,OACzBoX,EAAepe,KAAKqe,cACpBzB,EAAU5c,KAAK8a,SAGjBwD,EAAate,KAAKse,WAEhB7D,EAAWza,KAAKya,SAEtB,GAAkB,IAAd0D,EAAJ,CAKI1D,IAMFc,GAAe0C,EAAajX,QAAUsX,IACrB9C,GAAsBjV,KAAKgY,IAAIjD,EAAagD,EAAaN,GAAa,IACvEzX,KAAKgY,IAAKN,EAAa,GAAGlC,IAAMuC,EAAa1B,GAAYoB,EAAY,IAIlFzC,IAEH+C,EAAahD,EAAa0C,GAK5BC,EAAa9b,SAAQ,SAAUsX,GAC7BA,EAAOsC,IAAMqC,EAAa3E,EAAOsC,IAAMa,EAAS0B,GAChD7E,EAAO+D,IAAMY,EAAa3E,EAAO+D,IAAMZ,EAAS0B,MAIlDL,EAAaO,MAAK,SAAUC,EAAGC,GAC7B,IAAMC,EAAWF,EAAEjB,IAAMkB,EAAElB,IACrBoB,EAAWH,EAAE1C,IAAM2C,EAAE3C,IAC3B,OAAO4C,GAAaC,GAAaH,EAAEpF,GAAKqF,EAAErF,MAI5C,IAAIwF,EAAcZ,EAAaa,QAAO,SAACxP,EAAMyP,GAAP,OAAgBxY,KAAK0V,IAAI1V,KAAKgX,IAAIjO,EAAMyP,EAAKhD,IAAMgD,EAAKvB,MAAO,EAAIrD,KAAgC,GACzI,GAAI0E,EAAc,EAAG,CACnBvc,IAAOpB,KAAP,wDAAoEsF,YAAoBqY,GAAa,GAArG,8BACA,IAAK,IAAInX,EAAI,EAAGA,EAAIuW,EAAajX,OAAQU,IACvCuW,EAAavW,GAAG8V,KAAOqB,EAK3B,IAAIpF,EAASwE,EAAa,GAC1BJ,EAAWtX,KAAK0V,IAAIxC,EAAO+D,IAAK,GAChCI,EAAWrX,KAAK0V,IAAIxC,EAAOsC,IAAK,GAGhC,IAAIiD,EAAQnB,EAAWS,EAEnB/C,GACEyD,IACEA,EAAQ,EACV1c,IAAOrB,IAAP,QAAmBuF,YAAoBwY,GAAO,GAA9C,kDACSA,GAAS,GAClB1c,IAAOrB,IAAP,QAAmBuF,aAAqBwY,GAAO,GAA/C,8CAIFnB,EAAWS,EACXL,EAAa,GAAGT,IAAMK,EAEtBD,EAAWrX,KAAK0V,IAAI2B,EAAWoB,EAAOV,GACtCL,EAAa,GAAGlC,IAAM6B,EACtBtb,IAAOrB,IAAP,4BAAuCuF,YAAoBoX,GAAU,GAArE,IAA8EpX,YAAoBqX,GAAU,GAA5G,YAA6HrX,YAAoBwY,GAAO,GAAxJ,QAKJvF,EAASwE,EAAaA,EAAajX,OAAS,GAC5C+W,EAAUxX,KAAK0V,IAAIxC,EAAO+D,IAAK,GAC/BM,EAAUvX,KAAK0V,IAAIxC,EAAOsC,IAAK,EAAGgC,GAK9BtD,IACFkD,EAAoBpX,KAAKF,OAAO0X,EAAUF,IAAaI,EAAajX,OAAS,KAI/E,IADA,IAAIiY,EAAS,EAAGC,EAAU,EACjBxX,EAAI,EAAGA,EAAIyW,EAAWzW,IAAK,CAGlC,IADA,IAAI+R,EAASwE,EAAavW,GAAIyX,EAAQ1F,EAAO0F,MAAOC,EAAUD,EAAMnY,OAAQqY,EAAY,EAC/EC,EAAI,EAAGA,EAAIF,EAASE,IAC3BD,GAAaF,EAAMG,GAAGxY,KAAKE,OAG7BkY,GAAWG,EACXJ,GAAUG,EACV3F,EAAOzS,OAASqY,EAKd5F,EAAO+D,IAFL/C,EAEWoD,EAAWnW,EAAIiW,EAGfpX,KAAK0V,IAAIxC,EAAO+D,IAAKK,GAGpCpE,EAAOsC,IAAMxV,KAAK0V,IAAIxC,EAAOsC,IAAKtC,EAAO+D,KAK3C,IAAI+B,EAAWL,EAAW,EAAID,EAAU,EACxC,IACE1K,EAAO,IAAI5L,WAAW4W,GACtB,MAAO3M,GAEP,YADA5S,KAAK6R,SAASkB,QAAQC,IAAMzN,MAAO,CAAEhE,KAAMsE,IAAW2Z,UAAWtM,QAASpN,IAAa2Z,kBAAmBrM,OAAO,EAAO+E,MAAOoH,EAAUlM,OAAQ,8BAA8BkM,IAGjL,IAAI1R,EAAO,IAAIC,SAASyG,EAAKtL,QAC7B4E,EAAK6R,UAAU,EAAGH,GAClBhL,EAAK+C,IAAI1D,EAAIE,MAAMS,KAAM,GAEzB,IAAK,IAAI7M,EAAI,EAAGA,EAAIyW,EAAWzW,IAAK,CAMlC,IALA,IAAIiY,EAAY1B,EAAavW,GAC3BkY,EAAiBD,EAAUR,MAC3BU,EAAkB,EAClBC,OAAqB,EAEdR,EAAI,EAAGF,EAAUQ,EAAe5Y,OAAQsY,EAAIF,EAASE,IAAK,CACjE,IAAIS,EAAOH,EAAeN,GACxBU,EAAWD,EAAKjZ,KAChBmZ,EAAcF,EAAKjZ,KAAK4B,WAC1BmF,EAAK6R,UAAU3Y,EAAQkZ,GACvBlZ,GAAU,EACVwN,EAAK+C,IAAI0I,EAAUjZ,GACnBA,GAAUkZ,EACVJ,GAAmB,EAAII,EAGzB,GAAKxF,EAkCHqF,EAAwBvZ,KAAK0V,IAAI,EAAG0B,EAAoBpX,KAAKF,OAAOsZ,EAAU5D,IAAM4D,EAAUnC,KAAOG,QAlCxF,CAEb,GAAIjW,EAAIyW,EAAY,EAClBR,EAAoBM,EAAavW,EAAI,GAAG8V,IAAMmC,EAAUnC,QACnD,CACL,IAAI1L,EAAS9R,KAAK8R,OAChBoO,EAAoBP,EAAUnC,IAAMS,EAAavW,EAAI,EAAIA,EAAI,EAAIA,GAAG8V,IACtE,GAAI1L,EAAOqO,uBAAwB,CAMjC,IAAIC,EAAgBtO,EAAOsO,cACzBC,GAAe9Z,KAAKmR,MAAM0I,EAAgBpC,GAC1CsC,IAAmBpE,EAAmB0B,EAAW1B,EAAmB8B,EAAYhe,KAAKugB,cAAgBZ,EAAU5D,IAC7GuE,GAAkBD,KAGpB1C,EAAoB2C,GAAkBJ,GACd,IACtBvC,EAAoBuC,GAGtB5d,IAAOrB,IAAP,uBAAkCuF,YAAoB8Z,IAAiB,GAAvE,2CAAwH9Z,YAAoBmX,GAAmB,GAA/J,kCAEAA,EAAoBuC,OAGtBvC,EAAoBuC,EAGxBJ,EAAwBvZ,KAAKF,MAAMsZ,EAAU5D,IAAM4D,EAAUnC,KAM/DU,EAAc7V,KAAK,CACjBf,KAAMuY,EAENrI,SAAUmG,EACVjE,IAAKoG,EACL1H,MAAO,CACLwB,UAAW,EACXrB,aAAc,EACdC,cAAe,EACfuB,WAAY,EACZzB,UAAWqH,EAAUtf,IAAM,EAAI,EAC/ByZ,UAAW6F,EAAUtf,IAAM,EAAI,KAKrCL,KAAKse,WAAaP,EAAUJ,EAC5B,IAAI6C,GAAU5I,EAAM4I,QAGpB,GAFA5I,EAAMqH,OAAS,EACfrH,EAAM4I,QAAU,EACZtC,EAAclX,QAAUwT,UAAUD,UAAUkG,cAAc7W,QAAQ,WAAa,EAAG,CACpF,IAAIwO,GAAQ8F,EAAc,GAAG9F,MAG7BA,GAAME,UAAY,EAClBF,GAAM0B,UAAY,EAEpBlC,EAAMS,QAAU6F,EAChBtJ,EAAOhB,EAAIgB,KAAKgD,EAAMC,iBAAkBgG,EAAUjG,GAClDA,EAAMS,QAAU,GAEhB,IAAIvR,GAAO,CACT4Z,MAAO9L,EACP+L,MAAOpM,EACP+H,SAAUsB,EAAWI,EACrB3B,QAASyB,EAAUH,GAAqBK,EACxC4C,SAAU/C,EAAWG,EACrB6C,OAAQ7gB,KAAKse,WAAaN,EAC1Bzc,KAAM,QACNuf,UAAU,EACVC,UAAU,EACVC,GAAI9C,EAAclX,OAClBwZ,QAASA,IAGX,OADAxgB,KAAK6R,SAASkB,QAAQC,IAAM/N,kBAAmB6B,IACxCA,K,EAGTsV,WAAA,SAAYxE,EAAO0D,EAAYC,EAAYC,GACzC,IASIyF,EACAC,EACA3M,EACAK,EACAgJ,EACAE,EAdE9B,EAAiBpE,EAAMoE,eACvBmF,EAAevJ,EAAML,UACrB6J,EAAcpF,EAAiBmF,EAE/BE,GADoBzJ,EAAMwB,MAAQ,KAAO,MACCgI,EAC1ChD,EAAepe,KAAKqe,cACpBzB,EAAU5c,KAAK8a,SACfwG,GAAW1J,EAAMwB,OAASpZ,KAAKqa,cAAc8C,KAQ/CpW,EAAUua,EAAU,EAAI,EACxBrD,EAAerG,EAAMS,QACrB6F,EAAgB,GAChBqC,EAAevgB,KAAKugB,aA4BxB,GAlBAhF,GAAe0C,EAAajX,QAAUuZ,IACrB/E,GAAsBjV,KAAKgY,IAAIjD,EAAaiF,EAAevE,GAAkB,IAC9EzV,KAAKgY,IAAKN,EAAa,GAAGlC,IAAMwE,EAAe3D,GAAY,GAAKyE,GAIhFpD,EAAa9b,SAAQ,SAAUsX,GAC7BA,EAAOsC,IAAMtC,EAAO+D,IAAMY,EAAa3E,EAAOsC,IAAMa,EAAStB,EAAaU,MAWhD,KAL5BiC,EAAeA,EAAasD,QAAO,SAAU9H,GAC3C,OAAOA,EAAOsC,KAAO,MAIN/U,OAAjB,CAoBA,GAhBKuU,IAMDgF,EALG/E,EAKYF,EAAaU,EAHbiC,EAAa,GAAGlC,KAa/BnE,EAAMwB,MAER,IADA,IAAMoI,EAAsBxhB,KAAK8R,OAAO0P,oBAC/B9Z,EAAI,EAAG+Z,EAAUlB,EAAc7Y,EAAIuW,EAAajX,QAAS,CAEhE,IAA8BgY,EAA1BvF,EAASwE,EAAavW,GAK1B,IAHAsX,EADUvF,EAAOsC,IACH0F,KAGAD,EAAsBH,EAClC/e,IAAOpB,KAAP,4BAAwCsF,YAAoBib,GAAS,GAArE,cAAwFjb,YAAoBwY,GAAO,GAAnH,gBACAf,EAAayD,OAAOha,EAAG,QAQpB,GAAIsX,GAASwC,EAAsBH,GAAuBrC,EAAQ9E,GAAmCuH,EAAS,CACjH,IAAIE,EAAUpb,KAAKF,MAAM2Y,EAAQqC,GACjC/e,IAAOpB,KAAP,aAAyBygB,EAAzB,mBAAmDnb,YAAoBib,GAAS,GAAhF,cAAmGjb,YAAoBib,GAAS,GAAhI,YACA,IAAK,IAAInC,EAAI,EAAGA,EAAIqC,EAASrC,IAAK,CAChC,IAAIsC,EAAWrb,KAAK0V,IAAIwF,EAAS,IACjCP,EAAY5N,EAAIC,eAAeqE,EAAMiK,eAAiBjK,EAAMpE,MAAOoE,EAAMnE,iBAEvEnR,IAAOrB,IAAI,qFACXigB,EAAYzH,EAAOsG,KAAK1Y,YAE1B4W,EAAayD,OAAOha,EAAG,EAAG,CAAEqY,KAAMmB,EAAWnF,IAAK6F,EAAUpE,IAAKoE,IACjEH,GAAWJ,EACX3Z,IAIF+R,EAAOsC,IAAMtC,EAAO+D,IAAMiE,EAC1BA,GAAWJ,EACX3Z,SAGInB,KAAKgY,IAAIS,GAGbvF,EAAOsC,IAAMtC,EAAO+D,IAAMiE,EAC1BA,GAAWJ,EACX3Z,IAQN,IAFA,IAAIyW,EAAYF,EAAajX,OACzBuY,EAAW,EACRpB,KACLoB,GAAYtB,EAAaE,GAAW4B,KAAKrX,WAG3C,IAAK,IAAI4W,EAAI,EAAGnB,EAAYF,EAAajX,OAAQsY,EAAInB,EAAWmB,IAAK,CACnE,IAAIwC,EAAc7D,EAAaqB,GAC3BS,EAAO+B,EAAY/B,KACnBhE,EAAM+F,EAAY/F,IAKtB,QAAgBpK,IAAZmM,EACFmD,EAAUzJ,SAAWjR,KAAKF,OAAO0V,EAAM+B,GAAWsD,OAC7C,CACL,IAAIpC,EAAQjD,EAAMwE,EACdwB,EAAmB,EAIvB,GAAIxG,GAAc3D,EAAMwB,OAElB4F,EAAO,CACT,GAAIA,EAAQ,GAAKA,EAAQ9E,EAGvB6H,EAAmBxb,KAAKF,OAAO0V,EAAMwE,GAAgBc,GAErD/e,IAAOrB,IAAOuF,YAAoBwY,GAAO,GAAzC,oDACI+C,EAAmB,KACrBb,EAAY5N,EAAIC,eAAeqE,EAAMiK,eAAiBjK,EAAMpE,MAAOoE,EAAMnE,iBAEvEyN,EAAYnB,EAAK1Y,YAGnBkY,GAAYwC,EAAmBb,EAAUla,aAGtC,GAAIgY,GAAS,GAAI,CAEtB1c,IAAOrB,IAAP,uDAAkEuF,YAAoB+Z,GAAc,GAApG,SAAkH/Z,YAAoBuV,GAAK,GAA3I,SAAyJvV,aAAqBwY,GAAO,GAArL,OACAO,GAAYQ,EAAKrX,WACjB,SAGFqT,EAAMwE,EAKV,GADA3C,EAAW7B,IACPwD,EAAW,GAeb,OAdAA,GAAYxY,EACZ,IACEwN,EAAO,IAAI5L,WAAW4W,GACtB,MAAO3M,GAEP,YADA5S,KAAK6R,SAASkB,QAAQC,IAAMzN,MAAO,CAAEhE,KAAMsE,IAAW2Z,UAAWtM,QAASpN,IAAa2Z,kBAAmBrM,OAAO,EAAO+E,MAAOoH,EAAUlM,OAAQ,8BAA8BkM,IAG5K+B,IACU,IAAIxT,SAASyG,EAAKtL,QAC1ByW,UAAU,EAAGH,GAClBhL,EAAK+C,IAAI1D,EAAIE,MAAMS,KAAM,IAM7B,IAAK,IAAI7M,EAAI,EAAGA,EAAIqa,EAAkBra,KACpCwZ,EAAY5N,EAAIC,eAAeqE,EAAMiK,eAAiBjK,EAAMpE,MAAOoE,EAAMnE,iBAEvEnR,IAAOrB,IAAI,qFACXigB,EAAYnB,EAAK1Y,YAEnBkN,EAAK+C,IAAI4J,EAAWna,GACpBA,GAAUma,EAAUxY,WACpBuY,EAAY,CACV3Z,KAAM4Z,EAAUxY,WAChBgR,IAAK,EACLlC,SAAU,KACVY,MAAO,CACLwB,UAAW,EACXrB,aAAc,EACdC,cAAe,EACfuB,WAAY,EACZzB,UAAW,IAGf4F,EAAc7V,KAAK4Y,GAGvB1M,EAAK+C,IAAIyI,EAAMhZ,GACf,IAAIib,EAAUjC,EAAKrX,WACnB3B,GAAUib,EAEVf,EAAY,CACV3Z,KAAM0a,EACNtI,IAAK,EACLlC,SAAU,EACVY,MAAO,CACLwB,UAAW,EACXrB,aAAc,EACdC,cAAe,EACfuB,WAAY,EACZzB,UAAW,IAGf4F,EAAc7V,KAAK4Y,GACnBnD,EAAU/B,EAEZ,IAAIkG,EAAqB,EAOzB,IANA9D,EAAYD,EAAclX,SAET,IACfib,EAAqB/D,EAAcC,EAAY,GAAG3G,SAClDyJ,EAAUzJ,SAAWyK,GAEnB9D,EAAW,CAEbne,KAAKugB,aAAeA,EAAezC,EAAUsD,EAAca,EAE3DrK,EAAMS,QAAU6F,EAEdtJ,EADE0M,EACK,IAAI3Y,WAEJiL,EAAIgB,KAAKgD,EAAMC,iBAAkB+F,EAAWwD,EAAaxJ,GAGlEA,EAAMS,QAAU,GAChB,IAAM6J,EAAQtE,EAAW5B,EACnB9T,EAAMqY,EAAevE,EACrBG,EAAY,CAChBuE,MAAO9L,EACP+L,MAAOpM,EACP+H,SAAU4F,EACV7F,OAAQnU,EACR0Y,SAAUsB,EACVrB,OAAQ3Y,EACR3G,KAAM,QACNuf,UAAU,EACVC,UAAU,EACVC,GAAI7C,GAGN,OADAne,KAAK6R,SAASkB,QAAQC,IAAM/N,kBAAmBkX,GACxCA,EAET,OAAO,O,EAGTM,gBAAA,SAAiB7E,EAAO0D,EAAYC,EAAYiB,GAC9C,IAAIR,EAAiBpE,EAAMoE,eAEvBoF,EAAcpF,GADCpE,EAAMsB,WAAatB,EAAMsB,WAAa8C,GAErDuE,EAAevgB,KAAKugB,aAGpBK,QAA6BjP,IAAjB4O,EAA6BA,EAAe/D,EAAUoE,SAAW5E,GAAkBhc,KAAK+a,SACpG8F,EAASrE,EAAUqE,OAAS7E,EAAiBhc,KAAK+a,SAGlDoH,EADiB,KACDf,EAGhBjD,EAAY5X,KAAK6b,MAAMvB,EAASD,GAAYuB,GAG5CE,EAAc/O,EAAIC,eAAeqE,EAAMiK,eAAiBjK,EAAMpE,MAAOoE,EAAMnE,cAI/E,GAFAnR,IAAOpB,KAAK,qBAEPmhB,EAAL,CAMA,IADA,IAAIhK,EAAU,GACL3Q,EAAI,EAAGA,EAAIyW,EAAWzW,IAAK,CAClC,IAAI4a,EAAQ1B,EAAWlZ,EAAIya,EAC3B9J,EAAQhQ,KAAK,CAAE0X,KAAMsC,EAAatG,IAAKuG,EAAO9E,IAAK8E,IAErD1K,EAAMS,QAAUA,EAEhBrY,KAAKoc,WAAWxE,EAAO0D,EAAYC,QAXjCjZ,IAAOvB,MAAM,gG,EAcjB2b,SAAA,SAAU9E,GACR,IAAmC6B,EAA/BzS,EAAS4Q,EAAMS,QAAQrR,OACrBgV,EAAiBpE,EAAMoE,eACvBY,EAAU5c,KAAK8a,SACf+B,EAAU7c,KAAK+a,SAErB,GAAI/T,EAAQ,CACV,IAAK,IAAIkC,EAAQ,EAAGA,EAAQlC,EAAQkC,KAClCuQ,EAAS7B,EAAMS,QAAQnP,IAGhB6S,KAAQtC,EAAOsC,IAAMa,GAAWZ,EACvCvC,EAAO+D,KAAQ/D,EAAO+D,IAAMX,GAAWb,EAEzChc,KAAK6R,SAASkB,QAAQC,IAAMhO,sBAAuB,CACjDqT,QAAST,EAAMS,UAInBT,EAAMS,QAAU,I,EAGlBsE,UAAA,SAAW/E,GACTA,EAAMS,QAAQmG,MAAK,SAAUC,EAAGC,GAC9B,OAAQD,EAAE1C,IAAM2C,EAAE3C,OAGpB,IAAmCtC,EAA/BzS,EAAS4Q,EAAMS,QAAQrR,OACrBgV,EAAiBpE,EAAMoE,eACvBY,EAAU5c,KAAK8a,SAErB,GAAI9T,EAAQ,CACV,IAAK,IAAIkC,EAAQ,EAAGA,EAAQlC,EAAQkC,KAClCuQ,EAAS7B,EAAMS,QAAQnP,IAGhB6S,KAAQtC,EAAOsC,IAAMa,GAAWZ,EAEzChc,KAAK6R,SAASkB,QAAQC,IAAMjO,sBAAuB,CACjDsT,QAAST,EAAMS,UAInBT,EAAMS,QAAU,I,EAGlBgG,cAAA,SAAeje,EAAOmiB,GACpB,IAAIxb,EACJ,QAAkB4K,IAAd4Q,EACF,OAAOniB,EAaT,IARE2G,EAFEwb,EAAYniB,GAEJ,WAGD,WAKJmG,KAAKgY,IAAIne,EAAQmiB,GAAa,YACnCniB,GAAS2G,EAGX,OAAO3G,G,KAIJ,SAASoiB,EAAcpiB,EAAOmiB,GACnC,IAAIxb,EACJ,GAAkB,OAAdwb,EACF,OAAOniB,EAaT,IARE2G,EAFEwb,EAAYniB,GAEJ,WAGD,WAKJmG,KAAKgY,IAAIne,EAAQmiB,GAAa,YACnCniB,GAAS2G,EAGX,OAAO3G,EAGMga,O,6BCxzBf,IAAIqI,EAAMliB,OAAOC,UAAUC,eACvBiiB,EAAS,IASb,SAASC,KA4BT,SAASC,EAAGC,EAAIC,EAASC,GACvB/iB,KAAK6iB,GAAKA,EACV7iB,KAAK8iB,QAAUA,EACf9iB,KAAK+iB,KAAOA,IAAQ,EActB,SAASC,EAAYC,EAASC,EAAOL,EAAIC,EAASC,GAChD,GAAkB,mBAAPF,EACT,MAAM,IAAIM,UAAU,mCAGtB,IAAIC,EAAW,IAAIR,EAAGC,EAAIC,GAAWG,EAASF,GAC1CM,EAAMX,EAASA,EAASQ,EAAQA,EAMpC,OAJKD,EAAQK,QAAQD,GACXJ,EAAQK,QAAQD,GAAKR,GAC1BI,EAAQK,QAAQD,GAAO,CAACJ,EAAQK,QAAQD,GAAMD,GADhBH,EAAQK,QAAQD,GAAKhb,KAAK+a,IADlCH,EAAQK,QAAQD,GAAOD,EAAUH,EAAQM,gBAI7DN,EAUT,SAASO,EAAWP,EAASI,GACI,KAAzBJ,EAAQM,aAAoBN,EAAQK,QAAU,IAAIX,SAC5CM,EAAQK,QAAQD,GAU9B,SAASI,IACPzjB,KAAKsjB,QAAU,IAAIX,EACnB3iB,KAAKujB,aAAe,EAxElBhjB,OAAOmjB,SACTf,EAAOniB,UAAYD,OAAOmjB,OAAO,OAM5B,IAAIf,GAASgB,YAAWjB,GAAS,IA2ExCe,EAAajjB,UAAUojB,WAAa,WAClC,IACIC,EACA9W,EAFA+W,EAAQ,GAIZ,GAA0B,IAAtB9jB,KAAKujB,aAAoB,OAAOO,EAEpC,IAAK/W,KAAS8W,EAAS7jB,KAAKsjB,QACtBb,EAAI/hB,KAAKmjB,EAAQ9W,IAAO+W,EAAMzb,KAAKqa,EAAS3V,EAAK0E,MAAM,GAAK1E,GAGlE,OAAIxM,OAAOwjB,sBACFD,EAAM5L,OAAO3X,OAAOwjB,sBAAsBF,IAG5CC,GAUTL,EAAajjB,UAAUwjB,UAAY,SAAmBd,GACpD,IAAIG,EAAMX,EAASA,EAASQ,EAAQA,EAChCe,EAAWjkB,KAAKsjB,QAAQD,GAE5B,IAAKY,EAAU,MAAO,GACtB,GAAIA,EAASpB,GAAI,MAAO,CAACoB,EAASpB,IAElC,IAAK,IAAInb,EAAI,EAAGwc,EAAID,EAASjd,OAAQmd,EAAK,IAAI/M,MAAM8M,GAAIxc,EAAIwc,EAAGxc,IAC7Dyc,EAAGzc,GAAKuc,EAASvc,GAAGmb,GAGtB,OAAOsB,GAUTV,EAAajjB,UAAU4jB,cAAgB,SAAuBlB,GAC5D,IAAIG,EAAMX,EAASA,EAASQ,EAAQA,EAChCc,EAAYhkB,KAAKsjB,QAAQD,GAE7B,OAAKW,EACDA,EAAUnB,GAAW,EAClBmB,EAAUhd,OAFM,GAYzByc,EAAajjB,UAAU6jB,KAAO,SAAcnB,EAAOoB,EAAIC,EAAIC,EAAIC,EAAIC,GACjE,IAAIrB,EAAMX,EAASA,EAASQ,EAAQA,EAEpC,IAAKljB,KAAKsjB,QAAQD,GAAM,OAAO,EAE/B,IAEIvhB,EACA4F,EAHAsc,EAAYhkB,KAAKsjB,QAAQD,GACzBnZ,EAAMmN,UAAUrQ,OAIpB,GAAIgd,EAAUnB,GAAI,CAGhB,OAFImB,EAAUjB,MAAM/iB,KAAK2kB,eAAezB,EAAOc,EAAUnB,QAAIlR,GAAW,GAEhEzH,GACN,KAAK,EAAG,OAAO8Z,EAAUnB,GAAGniB,KAAKsjB,EAAUlB,UAAU,EACrD,KAAK,EAAG,OAAOkB,EAAUnB,GAAGniB,KAAKsjB,EAAUlB,QAASwB,IAAK,EACzD,KAAK,EAAG,OAAON,EAAUnB,GAAGniB,KAAKsjB,EAAUlB,QAASwB,EAAIC,IAAK,EAC7D,KAAK,EAAG,OAAOP,EAAUnB,GAAGniB,KAAKsjB,EAAUlB,QAASwB,EAAIC,EAAIC,IAAK,EACjE,KAAK,EAAG,OAAOR,EAAUnB,GAAGniB,KAAKsjB,EAAUlB,QAASwB,EAAIC,EAAIC,EAAIC,IAAK,EACrE,KAAK,EAAG,OAAOT,EAAUnB,GAAGniB,KAAKsjB,EAAUlB,QAASwB,EAAIC,EAAIC,EAAIC,EAAIC,IAAK,EAG3E,IAAKhd,EAAI,EAAG5F,EAAO,IAAIsV,MAAMlN,EAAK,GAAIxC,EAAIwC,EAAKxC,IAC7C5F,EAAK4F,EAAI,GAAK2P,UAAU3P,GAG1Bsc,EAAUnB,GAAG9gB,MAAMiiB,EAAUlB,QAAShhB,OACjC,CACL,IACIwd,EADAtY,EAASgd,EAAUhd,OAGvB,IAAKU,EAAI,EAAGA,EAAIV,EAAQU,IAGtB,OAFIsc,EAAUtc,GAAGqb,MAAM/iB,KAAK2kB,eAAezB,EAAOc,EAAUtc,GAAGmb,QAAIlR,GAAW,GAEtEzH,GACN,KAAK,EAAG8Z,EAAUtc,GAAGmb,GAAGniB,KAAKsjB,EAAUtc,GAAGob,SAAU,MACpD,KAAK,EAAGkB,EAAUtc,GAAGmb,GAAGniB,KAAKsjB,EAAUtc,GAAGob,QAASwB,GAAK,MACxD,KAAK,EAAGN,EAAUtc,GAAGmb,GAAGniB,KAAKsjB,EAAUtc,GAAGob,QAASwB,EAAIC,GAAK,MAC5D,KAAK,EAAGP,EAAUtc,GAAGmb,GAAGniB,KAAKsjB,EAAUtc,GAAGob,QAASwB,EAAIC,EAAIC,GAAK,MAChE,QACE,IAAK1iB,EAAM,IAAKwd,EAAI,EAAGxd,EAAO,IAAIsV,MAAMlN,EAAK,GAAIoV,EAAIpV,EAAKoV,IACxDxd,EAAKwd,EAAI,GAAKjI,UAAUiI,GAG1B0E,EAAUtc,GAAGmb,GAAG9gB,MAAMiiB,EAAUtc,GAAGob,QAAShhB,IAKpD,OAAO,GAYT2hB,EAAajjB,UAAUokB,GAAK,SAAY1B,EAAOL,EAAIC,GACjD,OAAOE,EAAYhjB,KAAMkjB,EAAOL,EAAIC,GAAS,IAY/CW,EAAajjB,UAAUuiB,KAAO,SAAcG,EAAOL,EAAIC,GACrD,OAAOE,EAAYhjB,KAAMkjB,EAAOL,EAAIC,GAAS,IAa/CW,EAAajjB,UAAUmkB,eAAiB,SAAwBzB,EAAOL,EAAIC,EAASC,GAClF,IAAIM,EAAMX,EAASA,EAASQ,EAAQA,EAEpC,IAAKljB,KAAKsjB,QAAQD,GAAM,OAAOrjB,KAC/B,IAAK6iB,EAEH,OADAW,EAAWxjB,KAAMqjB,GACVrjB,KAGT,IAAIgkB,EAAYhkB,KAAKsjB,QAAQD,GAE7B,GAAIW,EAAUnB,GAEVmB,EAAUnB,KAAOA,GACfE,IAAQiB,EAAUjB,MAClBD,GAAWkB,EAAUlB,UAAYA,GAEnCU,EAAWxjB,KAAMqjB,OAEd,CACL,IAAK,IAAI3b,EAAI,EAAGmc,EAAS,GAAI7c,EAASgd,EAAUhd,OAAQU,EAAIV,EAAQU,KAEhEsc,EAAUtc,GAAGmb,KAAOA,GACnBE,IAASiB,EAAUtc,GAAGqb,MACtBD,GAAWkB,EAAUtc,GAAGob,UAAYA,IAErCe,EAAOxb,KAAK2b,EAAUtc,IAOtBmc,EAAO7c,OAAQhH,KAAKsjB,QAAQD,GAAyB,IAAlBQ,EAAO7c,OAAe6c,EAAO,GAAKA,EACpEL,EAAWxjB,KAAMqjB,GAGxB,OAAOrjB,MAUTyjB,EAAajjB,UAAUqkB,mBAAqB,SAA4B3B,GACtE,IAAIG,EAUJ,OARIH,GACFG,EAAMX,EAASA,EAASQ,EAAQA,EAC5BljB,KAAKsjB,QAAQD,IAAMG,EAAWxjB,KAAMqjB,KAExCrjB,KAAKsjB,QAAU,IAAIX,EACnB3iB,KAAKujB,aAAe,GAGfvjB,MAMTyjB,EAAajjB,UAAUskB,IAAMrB,EAAajjB,UAAUmkB,eACpDlB,EAAajjB,UAAUwiB,YAAcS,EAAajjB,UAAUokB,GAK5DnB,EAAasB,SAAWrC,EAKxBe,EAAaA,aAAeA,EAM1B5jB,EAAOD,QAAU6jB,G,2ECvMZ,SAASuB,EAAiBle,EAAMC,GACrC,OAAwB,MAAjBD,EAAKC,IAAkD,MAAV,IAAnBD,EAAKC,EAAS,IAG1C,SAASke,EAAiBne,EAAMC,GACrC,OAA2B,EAAnBD,EAAKC,EAAS,GAAY,EAAI,EAGjC,SAASme,EAAoBpe,EAAMC,GACxC,OAA4B,EAAnBD,EAAKC,EAAS,KAAc,GAClCD,EAAKC,EAAS,IAAM,GACA,IAAnBD,EAAKC,EAAS,MAAe,EAG5B,SAASF,EAAUC,EAAMC,GAI9B,SAAIA,EAAS,EAAID,EAAKE,QAAUge,EAAgBle,EAAMC,IAOjD,SAASoe,EAAOre,EAAMC,GAG3B,GAAIF,EAASC,EAAMC,GAAS,CAE1B,IAEIqe,EAFeH,EAAgBne,EAAMC,GAGrCA,EAAS,EAAID,EAAKE,SACpBoe,EAAcF,EAAmBpe,EAAMC,IAGzC,IAAIse,EAAYte,EAASqe,EACzB,GAAIC,IAAcve,EAAKE,QAAWqe,EAAY,EAAIve,EAAKE,QAAUge,EAAgBle,EAAMue,GACrF,OAAO,EAGX,OAAO,EAGF,SAASC,EAAiB1N,EAAO/F,EAAU/K,EAAMC,EAAQwe,GAC9D,IAAK3N,EAAMsB,WAAY,CACrB,IAAIpH,EA3KD,SAAyBD,EAAU/K,EAAMC,EAAQwe,GACtD,IAAIC,EACFC,EACAC,EACAC,EACA7T,EACAyI,EAAYC,UAAUD,UAAUkG,cAChCoB,EAAgB0D,EAChBK,EAAqB,CACnB,KAAO,MACP,KAAO,KACP,MAAO,KACP,KAAO,MACP,KAAO,KACP,MAAO,IACP,MAIJ,GAFAJ,EAAqD,IAAf,IAAnB1e,EAAKC,EAAS,MAAe,MAChD0e,GAA0C,GAAnB3e,EAAKC,EAAS,MAAe,GAC3B6e,EAAmB5e,OAAS,GAsGrD,OAlGA2e,GAAwC,EAAnB7e,EAAKC,EAAS,KAAc,EAEjD4e,IAAyC,IAAnB7e,EAAKC,EAAS,MAAe,EACnDzE,IAAOrB,IAAP,kBAA6BskB,EAA7B,mBAA0DC,EAA1D,mBAA2FC,EAA3F,IAAiHG,EAAmBH,GAApI,qBAA4KE,GAExK,WAAWE,KAAKtL,GACdkL,GAAsB,GACxBD,EAAiB,EACjB1T,EAAS,IAAIsF,MAAM,GAInBsO,EAA8BD,EAAqB,IAEnDD,EAAiB,EACjB1T,EAAS,IAAIsF,MAAM,GACnBsO,EAA8BD,IAGW,IAAlClL,EAAU3Q,QAAQ,YAC3B4b,EAAiB,EACjB1T,EAAS,IAAIsF,MAAM,GACnBsO,EAA8BD,IAK9BD,EAAiB,EACjB1T,EAAS,IAAIsF,MAAM,GAEdmO,KAAsD,IAAtCA,EAAW3b,QAAQ,gBACA,IAArC2b,EAAW3b,QAAQ,gBAClB2b,GAAcE,GAAsB,EAItCC,EAA8BD,EAAqB,IAI/CF,IAAmD,IAArCA,EAAW3b,QAAQ,eAAyB6b,GAAsB,GAA0B,IAArBE,GACnF,WAAWE,KAAKtL,MAClBgL,GAAmC,IAArBI,KAChBH,EAAiB,EACjB1T,EAAS,IAAIsF,MAAM,IAErBsO,EAA8BD,IAqClC3T,EAAO,GAAK0T,GAAkB,EAE9B1T,EAAO,KAA4B,GAArB2T,IAA8B,EAC5C3T,EAAO,KAA4B,EAArB2T,IAA8B,EAE5C3T,EAAO,IAAM6T,GAAoB,EACV,IAAnBH,IAEF1T,EAAO,KAAqC,GAA9B4T,IAAuC,EACrD5T,EAAO,IAAoC,EAA9B4T,IAAuC,EAGpD5T,EAAO,IAAM,EACbA,EAAO,GAAK,GAEP,CAAEA,OAAQA,EAAQoH,WAAY0M,EAAmBH,GAAqBhS,aAAckS,EAAkBnS,MAAQ,WAAagS,EAAiB3D,cAAeA,GArGhKhQ,EAASkB,QAAQC,IAAMzN,MAAO,CAAEhE,KAAMsE,IAAWoN,YAAaC,QAASpN,IAAa4X,mBAAoBtK,OAAO,EAAMC,OAAQ,+BAA+BoS,IAuJ/IK,CAAejU,EAAU/K,EAAMC,EAAQwe,GACpD3N,EAAM9F,OAASA,EAAOA,OACtB8F,EAAMsB,WAAapH,EAAOoH,WAC1BtB,EAAMnE,aAAe3B,EAAO2B,aAC5BmE,EAAMpE,MAAQ1B,EAAO0B,MACrBoE,EAAMiK,cAAgB/P,EAAO+P,cAC7Bvf,IAAOrB,IAAP,gBAA2B2W,EAAMpE,MAAjC,SAA+C1B,EAAOoH,WAAtD,eAA+EpH,EAAO2B,eAInF,SAASsS,EAAkB7M,GAChC,OAAO,OAAeA,EAsBjB,SAAS8M,EAAapO,EAAO9Q,EAAMC,EAAQgV,EAAKkK,GACrD,IACIC,EArBC,SAA2Bpf,EAAMC,EAAQgV,EAAKkK,EAAY9D,GAC/D,IAAIgE,EAAcf,EACdpe,EAASF,EAAKE,OAQlB,GALAmf,EAAelB,EAAgBne,EAAMC,GAErCqe,EAAcF,EAAmBpe,EAAMC,IACvCqe,GAAee,GAEI,GAAQpf,EAASof,EAAef,GAAgBpe,EAGjE,MAAO,CAAEmf,eAAcf,cAAa9C,MAF5BvG,EAAMkK,EAAa9D,GAUhBiE,CAAiBtf,EAAMC,EAAQgV,EAAKkK,EAD7BF,EAAiBnO,EAAMsB,aAE3C,GAAIgN,EAAQ,CACV,IAAI5D,EAAQ4D,EAAO5D,MACf6D,EAAeD,EAAOC,aACtBf,EAAcc,EAAOd,YAGrBiB,EAAY,CACdtG,KAAMjZ,EAAKO,SAASN,EAASof,EAAcpf,EAASof,EAAef,GACnErJ,IAAKuG,EACL9E,IAAK8E,GAIP,OADA1K,EAAMS,QAAQhQ,KAAKge,GACZ,CAAE5M,OAAQ4M,EAAWrf,OAAQoe,EAAce,I,IChNlDG,E,OCmEWC,E,WAlFb,WAAa1U,EAAU2U,EAAS1U,GAC9B9R,KAAK6R,SAAWA,EAChB7R,KAAK8R,OAASA,EACd9R,KAAKwmB,QAAUA,E,2BAGjBxL,iBAAA,SAAkBhB,EAAauL,EAAYkB,EAAYjP,GACrDxX,KAAK0mB,YAAc,CAAE1J,UAAW,aAAczb,KAAM,QAAS8X,GAAI,EAAGxB,eAAgB,EAAGuB,OAAO,EAAMf,QAAS,GAAInO,IAAK,EAAG2X,cAAe0D,EAAY/N,SAAUA,EAAUwE,eAAgB,M,EAG1LpB,eAAA,a,EAGOuK,MAAP,SAAcre,GACZ,IAAKA,EACH,OAAO,EAUT,IAHA,IACIC,GADYH,IAAIM,WAAWJ,EAAM,IAAM,IACtBE,OAEZA,EAASF,EAAKE,OAAQD,EAASC,EAAQD,IAC9C,GAAI4f,EAAW7f,EAAMC,GAEnB,OADAzE,IAAOrB,IAAI,2BACJ,EAGX,OAAO,G,EAIT2lB,OAAA,SAAQ9f,EAAMwU,EAAYC,EAAYC,GAYpC,IAXA,IAAI5D,EAAQ5X,KAAK0mB,YACbze,EAAUrB,IAAIM,WAAWJ,EAAM,IAAM,GACrC+B,EAAYjC,IAAIW,aAAaU,GAC7B8T,EAAM,YAAgBlT,GAAyB,GAAZA,EAA8B,IAAbyS,EACpD2K,EAAa,EACb3D,EAAQvG,EACR/U,EAASF,EAAKE,OACdD,EAASkB,EAAQjB,OAEjB6f,EAAa,CAAC,CAAE9K,IAAKuG,EAAO9E,IAAK8E,EAAOxb,KAAMmB,IAE3ClB,EAASC,EAAS,GACvB,GAAI2f,EAAc7f,EAAMC,IAAYA,EAAS,EAAKC,EAAQ,CACxD2f,EAAqB/O,EAAO5X,KAAK6R,SAAU/K,EAAMC,EAAQ6Q,EAAMiK,eAC/D,IAAIla,EAAQgf,EAAiB/O,EAAO9Q,EAAMC,EAAQgV,EAAKkK,GACvD,IAAIte,EAIG,CACLrF,IAAOrB,IAAI,6BACX,MALA8F,GAAUY,EAAMX,OAChBsb,EAAQ3a,EAAM8R,OAAOsC,IACrBkK,SAKOrf,IAAIC,SAASC,EAAMC,IAC5BkB,EAAUrB,IAAIM,WAAWJ,EAAMC,GAC/B8f,EAAWxe,KAAK,CAAE0T,IAAKuG,EAAO9E,IAAK8E,EAAOxb,KAAMmB,IAChDlB,GAAUkB,EAAQjB,QAGlBD,IAIJ/G,KAAKwmB,QAAQvL,MAAMrD,EACjB,CAAES,QAAS,IACX,CAAEA,QAASwO,EAAY7K,eAAgB,KACvC,CAAE3D,QAAS,IACXiD,EACAC,EACAC,I,EAGJ9J,QAAA,a,aClFIoV,EAAY,CAEhBC,YAAa,CACX,GAAI,GAAI,GAAI,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAC9D,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAC3D,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAC1D,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAAK,IAC3D,EAAG,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,GAAI,IAAK,IAAK,IAAK,KAExDC,gBAAiB,CAAC,MAAO,KAAO,KAAO,MAAO,KAAO,KAAO,MAAO,KAAO,KAE1EC,oBAAqB,CAEnB,CACE,EACA,GACA,IACA,IAGF,CACE,EACA,EACA,EACA,GAGF,CACE,EACA,GACA,IACA,IAGF,CACE,EACA,IACA,IACA,KAIJC,YAAa,CACX,EACA,EACA,EACA,GAGFlB,YAAa,SAAUpO,EAAO9Q,EAAMC,EAAQgV,EAAKkK,GAE/C,KAAIlf,EAAS,GAAKD,EAAKE,QAAvB,CAIA,IAAIkf,EAASlmB,KAAKmnB,YAAYrgB,EAAMC,GACpC,GAAImf,GAAUnf,EAASmf,EAAOd,aAAete,EAAKE,OAAQ,CACxD,IACIsb,EAAQvG,EAAMkK,GAD2B,IAAzBC,EAAOkB,gBAA0BlB,EAAOmB,YAExD5N,EAAS,CAAEsG,KAAMjZ,EAAKO,SAASN,EAAQA,EAASmf,EAAOd,aAAcrJ,IAAKuG,EAAO9E,IAAK8E,GAO1F,OALA1K,EAAM9F,OAAS,GACf8F,EAAMnE,aAAeyS,EAAOzS,aAC5BmE,EAAMsB,WAAagN,EAAOmB,WAC1BzP,EAAMS,QAAQhQ,KAAKoR,GAEZ,CAAEA,SAAQzS,OAAQkf,EAAOd,gBAMpC+B,YAAa,SAAUrgB,EAAMC,GAC3B,IAAIugB,EAAWxgB,EAAKC,EAAS,IAAM,EAAK,EACpCwgB,EAAWzgB,EAAKC,EAAS,IAAM,EAAK,EACpCygB,EAAW1gB,EAAKC,EAAS,IAAM,EAAK,GACpC0gB,EAAW3gB,EAAKC,EAAS,IAAM,EAAK,EACpC2gB,EAAW5gB,EAAKC,EAAS,IAAM,EAAK,EACxC,GAAgB,IAAZugB,GAA6B,IAAZE,GAA6B,KAAZA,GAA8B,IAAZC,EAAe,CACrE,IAAIE,EAA+B,IAAZL,EAAiB,EAAIC,EAAwB,IAAZA,EAAgB,EAAI,EACxEK,EAAuE,IAA7Dd,EAAUC,YAA+B,GAAnBY,EAAwBH,EAAU,GAClEK,EAAkC,IAAZP,EAAgB,EAAgB,IAAZA,EAAgB,EAAI,EAC9DD,EAAaP,EAAUE,gBAAsC,EAAtBa,EAA0BJ,GACjEhU,EAAe3M,EAAKC,EAAS,IAAM,GAAM,EAAI,EAAI,EACjD+gB,EAAoBhB,EAAUG,oBAAoBK,GAASC,GAC3DQ,EAAcjB,EAAUI,YAAYK,GACpCH,EAAsC,EAApBU,EAAwBC,EAG9C,MAAO,CAAEV,aAAY5T,eAAc2R,YAFjB4C,SAASF,EAAoBF,EAAUP,EAAaK,EAAS,IAAMK,EAErCX,qBAMpDpC,gBAAiB,SAAUle,EAAMC,GAC/B,OAAwB,MAAjBD,EAAKC,IAAkD,MAAV,IAAnBD,EAAKC,EAAS,KAAqD,IAAV,EAAnBD,EAAKC,EAAS,KAGvFF,SAAU,SAAUC,EAAMC,GAIxB,SAAIA,EAAS,EAAID,EAAKE,QAAUhH,KAAKglB,gBAAgBle,EAAMC,KAO7Doe,MAAO,SAAUre,EAAMC,GAGrB,GAAIA,EAAS,EAAID,EAAKE,QAAUhH,KAAKglB,gBAAgBle,EAAMC,GAAS,CAElE,IAEImf,EAASlmB,KAAKmnB,YAAYrgB,EAAMC,GAChCqe,EAHe,EAIfc,GAAUA,EAAOd,cACnBA,EAAcc,EAAOd,aAGvB,IAAIC,EAAYte,EAASqe,EACzB,GAAIC,IAAcve,EAAKE,QAAWqe,EAAY,EAAIve,EAAKE,QAAUhH,KAAKglB,gBAAgBle,EAAMue,GAC1F,OAAO,EAGX,OAAO,IAIIyB,ICyKAmB,E,WA1Sb,WAAanhB,GACX9G,KAAK8G,KAAOA,EAEZ9G,KAAKkoB,eAAiBphB,EAAK4B,WAE3B1I,KAAK4P,KAAO,EAEZ5P,KAAKmoB,cAAgB,E,2BAIvBC,SAAA,WACE,IACEthB,EAAO9G,KAAK8G,KACZohB,EAAiBloB,KAAKkoB,eACtBG,EAAWvhB,EAAK4B,WAAawf,EAC7BI,EAAe,IAAI3f,WAAW,GAC9B4f,EAAiBhiB,KAAKgX,IAAI,EAAG2K,GAC/B,GAAuB,IAAnBK,EACF,MAAM,IAAIld,MAAM,sBAGlBid,EAAahR,IAAIxQ,EAAKO,SAASghB,EAAUA,EAAWE,IACpDvoB,KAAK4P,KAAO,IAAI9B,SAASwa,EAAarf,QAAQ+E,UAAU,GAExDhO,KAAKmoB,cAAiC,EAAjBI,EACrBvoB,KAAKkoB,gBAAkBK,G,EAIzBC,SAAA,SAAUC,GACR,IAAIC,EACA1oB,KAAKmoB,cAAgBM,GACvBzoB,KAAK4P,OAAS6Y,EACdzoB,KAAKmoB,eAAiBM,IAEtBA,GAASzoB,KAAKmoB,cAEdM,IADAC,EAAYD,GAAS,IACE,EACvBzoB,KAAKkoB,gBAAkBQ,EACvB1oB,KAAKooB,WACLpoB,KAAK4P,OAAS6Y,EACdzoB,KAAKmoB,eAAiBM,I,EAK1BE,SAAA,SAAUrhB,GACR,IACEshB,EAAOriB,KAAKgX,IAAIvd,KAAKmoB,cAAe7gB,GACpCuhB,EAAO7oB,KAAK4P,OAAU,GAAKgZ,EAa7B,OAZIthB,EAAO,IACThF,IAAOlB,MAAM,2CAGfpB,KAAKmoB,eAAiBS,EAClB5oB,KAAKmoB,cAAgB,EACvBnoB,KAAK4P,OAASgZ,EACL5oB,KAAKkoB,eAAiB,GAC/BloB,KAAKooB,YAGPQ,EAAOthB,EAAOshB,GACH,GAAK5oB,KAAKmoB,cACZU,GAAQD,EAAO5oB,KAAK2oB,SAASC,GAE7BC,G,EAKXC,OAAA,WACE,IAAIC,EACJ,IAAKA,EAAmB,EAAGA,EAAmB/oB,KAAKmoB,gBAAiBY,EAClE,GAAwD,IAAnD/oB,KAAK4P,KAAQ,aAAemZ,GAI/B,OAFA/oB,KAAK4P,OAASmZ,EACd/oB,KAAKmoB,eAAiBY,EACfA,EAKX,OADA/oB,KAAKooB,WACEW,EAAmB/oB,KAAK8oB,U,EAIjCE,QAAA,WACEhpB,KAAKwoB,SAAS,EAAIxoB,KAAK8oB,W,EAIzBG,OAAA,WACEjpB,KAAKwoB,SAAS,EAAIxoB,KAAK8oB,W,EAIzBI,QAAA,WACE,IAAIC,EAAMnpB,KAAK8oB,SACf,OAAO9oB,KAAK2oB,SAASQ,EAAM,GAAK,G,EAIlCC,OAAA,WACE,IAAIP,EAAO7oB,KAAKkpB,UAChB,OAAI,EAAOL,EAED,EAAIA,IAAU,GAEd,GAAKA,IAAS,I,EAM1BQ,YAAA,WACE,OAA4B,IAArBrpB,KAAK2oB,SAAS,I,EAIvBW,UAAA,WACE,OAAOtpB,KAAK2oB,SAAS,I,EAIvBY,WAAA,WACE,OAAOvpB,KAAK2oB,SAAS,K,EAGvBa,SAAA,WACE,OAAOxpB,KAAK2oB,SAAS,K,EAUvBc,gBAAA,SAAiBhB,GACf,IAGEnJ,EAFAoK,EAAY,EACZC,EAAY,EAGd,IAAKrK,EAAI,EAAGA,EAAImJ,EAAOnJ,IACH,IAAdqK,IAEFA,GAAaD,EADA1pB,KAAKopB,SACoB,KAAO,KAE/CM,EAA2B,IAAdC,EAAmBD,EAAYC,G,EAahDC,QAAA,WACE,IAKEC,EACAC,EAAgCC,EAChCC,EACAC,EACAC,EACAxiB,EATAyiB,EAAsB,EACtBC,EAAuB,EACvBC,EAAqB,EACrBC,EAAwB,EAOxBhB,EAAYtpB,KAAKspB,UAAUhpB,KAAKN,MAChC2oB,EAAW3oB,KAAK2oB,SAASroB,KAAKN,MAC9BkpB,EAAUlpB,KAAKkpB,QAAQ5oB,KAAKN,MAC5BqpB,EAAcrpB,KAAKqpB,YAAY/oB,KAAKN,MACpCwoB,EAAWxoB,KAAKwoB,SAASloB,KAAKN,MAC9BipB,EAASjpB,KAAKipB,OAAO3oB,KAAKN,MAC1BgpB,EAAUhpB,KAAKgpB,QAAQ1oB,KAAKN,MAC5BypB,EAAkBzpB,KAAKypB,gBAAgBnpB,KAAKN,MAS9C,GAPAspB,IACAO,EAAaP,IACGX,EAAS,GACzBH,EAAS,GACEc,IACXN,IAEmB,MAAfa,GACe,MAAfA,GACe,MAAfA,GACe,MAAfA,GACe,KAAfA,GACe,KAAfA,GACe,KAAfA,GACe,MAAfA,GACe,MAAfA,EAAoB,CACtB,IAAIU,EAAkBrB,IAQtB,GAPwB,IAApBqB,GACF/B,EAAS,GAGXQ,IACAA,IACAR,EAAS,GACLa,IAEF,IADAa,EAAwC,IAApBK,EAAyB,EAAI,GAC5C7iB,EAAI,EAAGA,EAAIwiB,EAAkBxiB,IAC5B2hB,KAEAI,EADE/hB,EAAI,EACU,GAEA,IAM1BshB,IACA,IAAIwB,EAAkBtB,IACtB,GAAwB,IAApBsB,EACFtB,SACK,GAAwB,IAApBsB,EAKT,IAJAhC,EAAS,GACTS,IACAA,IACAa,EAAiCZ,IAC5BxhB,EAAI,EAAGA,EAAIoiB,EAAgCpiB,IAC9CuhB,IAGJD,IACAR,EAAS,GACTuB,EAAsBb,IACtBc,EAA4Bd,IAEH,KADzBe,EAAmBtB,EAAS,KAE1BH,EAAS,GAGXA,EAAS,GACLa,MACFc,EAAsBjB,IACtBkB,EAAuBlB,IACvBmB,EAAqBnB,IACrBoB,EAAwBpB,KAE1B,IAAInQ,EAAa,CAAC,EAAG,GACrB,GAAIsQ,KAEEA,IAGF,OADuBC,KAEvB,KAAK,EAAGvQ,EAAa,CAAC,EAAG,GAAI,MAC7B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,EAAGA,EAAa,CAAC,GAAI,IAAK,MAC/B,KAAK,GAAIA,EAAa,CAAC,GAAI,IAAK,MAChC,KAAK,GAAIA,EAAa,CAAC,GAAI,IAAK,MAChC,KAAK,GAAIA,EAAa,CAAC,GAAI,IAAK,MAChC,KAAK,GAAIA,EAAa,CAAC,IAAK,IAAK,MACjC,KAAK,GAAIA,EAAa,CAAC,EAAG,GAAI,MAC9B,KAAK,GAAIA,EAAa,CAAC,EAAG,GAAI,MAC9B,KAAK,GAAIA,EAAa,CAAC,EAAG,GAAI,MAC9B,KAAK,IACHA,EAAa,CAACuQ,KAAe,EAAIA,IAAaA,KAAe,EAAIA,KAMvE,MAAO,CACL1Q,MAAOrS,KAAK6b,KAAmC,IAA3B2H,EAAsB,GAAiC,EAAtBI,EAAiD,EAAvBC,GAC/EvR,QAAU,EAAIoR,IAAqBD,EAA4B,GAAK,IAAQC,EAAmB,EAAI,IAAMI,EAAqBC,GAC9HvR,WAAYA,I,EAIhB0R,cAAA,WAME,OAJAzqB,KAAKspB,YAELtpB,KAAKkpB,UAEElpB,KAAKkpB,W,KClLDwB,E,WApHb,WAAa7Y,EAAUC,EAAQ6Y,EAAaC,GAC1C5qB,KAAK2qB,YAAcA,EACnB3qB,KAAK4qB,WAAaA,EAClB5qB,KAAK6qB,UAAY,IAAIjZ,IAAUC,EAAUC,EAAQ,CAAEhC,oBAAoB,I,2BAGzEgb,cAAA,SAAeC,EAAezY,GAC5BtS,KAAK6qB,UAAU/d,QAAQie,EAAe/qB,KAAK2qB,YAAYtqB,IAAI4I,OAAQjJ,KAAK2qB,YAAY/d,GAAG3D,OAAQqJ,I,EAIjG0Y,iBAAA,SAAkB3S,EAAS4S,EAAa3Y,EAAU4Y,GAChD,IAAIC,EAAU9S,EAAQ4S,GAAalL,KAC/BgL,EAAgBI,EAAQ9jB,SAAS,GAAI8jB,EAAQnkB,OAASmkB,EAAQnkB,OAAS,IACvEokB,EAAkBL,EAAc9hB,OAAOwI,MACzCsZ,EAAcM,WACdN,EAAcM,WAAaN,EAAc/jB,QAEvCskB,EAAYtrB,KAChBA,KAAK8qB,cAAcM,GAAiB,SAAUG,GAC5CA,EAAgB,IAAI5iB,WAAW4iB,GAC/BJ,EAAQ7T,IAAIiU,EAAe,IAEtBL,GACHI,EAAUE,kBAAkBnT,EAAS4S,EAAc,EAAG3Y,O,EAK5DkZ,kBAAA,SAAmBnT,EAAS4S,EAAa3Y,GACvC,MAAQ2Y,IAAe,CACrB,GAAIA,GAAe5S,EAAQrR,OAEzB,YADAsL,IAIF,KAAI+F,EAAQ4S,GAAalL,KAAK/Y,OAAS,IAAvC,CAIA,IAAIkkB,EAAOlrB,KAAK6qB,UAAUzY,SAI1B,GAFApS,KAAKgrB,iBAAiB3S,EAAS4S,EAAa3Y,EAAU4Y,IAEjDA,EACH,U,EAMNO,oBAAA,SAAqBC,GAInB,IAHA,IAAIC,EAAiE,GAA9CplB,KAAKmR,OAAOgU,EAAY1kB,OAAS,IAAM,KAAY,GACtE+jB,EAAgB,IAAIa,UAAUD,GAC9BE,EAAY,EACPC,EAAW,GAAIA,GAAYJ,EAAY1kB,OAAS,GAAI8kB,GAAY,IAAKD,GAAa,GACzFd,EAAczT,IAAIoU,EAAYrkB,SAASykB,EAAUA,EAAW,IAAKD,GAGnE,OAAOd,G,EAGTgB,oBAAA,SAAqBL,EAAaH,GAChCA,EAAgB,IAAI5iB,WAAW4iB,GAE/B,IADA,IAAIO,EAAW,EACND,EAAY,GAAIA,GAAaH,EAAY1kB,OAAS,GAAI6kB,GAAa,IAAKC,GAAY,GAC3FJ,EAAYpU,IAAIiU,EAAclkB,SAASykB,EAAUA,EAAW,IAAKD,GAGnE,OAAOH,G,EAGTM,iBAAA,SAAkB3T,EAAS4S,EAAagB,EAAW3Z,EAAU6Y,EAASD,GACpE,IAAIQ,EAAc1rB,KAAK4qB,WAAWO,EAAQrkB,MACtCikB,EAAgB/qB,KAAKyrB,oBAAoBC,GACzCJ,EAAYtrB,KAEhBA,KAAK8qB,cAAcC,EAAc9hB,QAAQ,SAAUsiB,GACjDJ,EAAQrkB,KAAOwkB,EAAUS,oBAAoBL,EAAaH,GAErDL,GACHI,EAAUY,kBAAkB7T,EAAS4S,EAAagB,EAAY,EAAG3Z,O,EAKvE4Z,kBAAA,SAAmB7T,EAAS4S,EAAagB,EAAW3Z,GAClD,MAAQ2Y,IAAegB,EAAY,EAAG,CACpC,GAAIhB,GAAe5S,EAAQrR,OAEzB,YADAsL,IAKF,IADA,IAAI6Z,EAAW9T,EAAQ4S,GAAa9L,QAE9B8M,GAAaE,EAASnlB,QADpBilB,IAAa,CAKnB,IAAId,EAAUgB,EAASF,GACvB,KAAId,EAAQnkB,QAAU,IAAwB,IAAjBmkB,EAAQ5pB,MAA+B,IAAjB4pB,EAAQ5pB,MAA3D,CAIA,IAAI2pB,EAAOlrB,KAAK6qB,UAAUzY,SAI1B,GAFApS,KAAKgsB,iBAAiB3T,EAAS4S,EAAagB,EAAW3Z,EAAU6Y,EAASD,IAErEA,EACH,W,KCvFJkB,EAAuB,CAC3B9O,MAAO,EACPF,MAAO,EACPiP,IAAK,EACLjjB,KAAM,GAwiCOkjB,E,WApiCb,WAAaza,EAAU2U,EAAS1U,EAAQuI,GACtCra,KAAK6R,SAAWA,EAChB7R,KAAK8R,OAASA,EACd9R,KAAKqa,cAAgBA,EACrBra,KAAKwmB,QAAUA,EACfxmB,KAAKusB,UAAY,K,2BAGnBC,eAAA,SAAgB7B,GACM,MAAfA,GAA4C,MAAnBA,EAAYtqB,KAAwC,eAAvBsqB,EAAY8B,OACrEzsB,KAAKusB,UAAY,IAAI7B,EAAmB1qB,KAAK6R,SAAU7R,KAAK8R,OAAQ6Y,EAAa3qB,KAAK4qB,YAEtF5qB,KAAKusB,UAAY,M,EAIdpH,MAAP,SAAcre,GACZ,IAAM4lB,EAAaJ,EAAUK,YAAY7lB,GACzC,QAAI4lB,EAAa,KAGXA,GACFpqB,IAAOpB,KAAP,wDAAoEwrB,EAApE,mBAGK,I,EAIJC,YAAP,SAAoB7lB,GAIlB,IAFA,IAAM8lB,EAAarmB,KAAKgX,IAAI,IAAMzW,EAAKE,OAAS,KAC5CU,EAAI,EACDA,EAAIklB,GAAY,CAErB,GAAgB,KAAZ9lB,EAAKY,IAAiC,KAAlBZ,EAAKY,EAAI,MAAuC,KAAtBZ,EAAKY,EAAI,KACzD,OAAOA,EAEPA,IAGJ,OAAQ,G,EAUHmlB,YAAP,SAAoBtrB,EAAMiW,GACxB,MAAO,CACLwF,UAAoB,UAATzb,GAA6B,UAATA,EAAmB,kBAAeoQ,EACjEpQ,OACA8X,GAAI+S,EAAqB7qB,GACzBurB,KAAM,EACN9Q,eAAgB,IAChBnE,eAAgB,EAChBQ,QAAS,GACTmI,QAAkB,UAATjf,EAAmB,OAAIoQ,EAChCyH,MAAgB,UAAT7X,QAA0BoQ,EACjC6F,SAAmB,UAATjW,EAAmBiW,OAAW7F,I,EAc5CqJ,iBAAA,SAAkBhB,EAAauL,EAAYkB,EAAYjP,GACrDxX,KAAK+sB,WAAY,EACjB/sB,KAAKgtB,QAAU,EAEfhtB,KAAKitB,UAAYX,EAAUO,YAAY,QAASrV,GAChDxX,KAAK0mB,YAAc4F,EAAUO,YAAY,QAASrV,GAClDxX,KAAKktB,UAAYZ,EAAUO,YAAY,MAAOrV,GAC9CxX,KAAKmtB,UAAYb,EAAUO,YAAY,OAAQrV,GAG/CxX,KAAKotB,YAAc,KACnBptB,KAAKqtB,WAAa,KAClBrtB,KAAK2f,UAAY,KACjB3f,KAAKulB,WAAaA,EAClBvlB,KAAKymB,WAAaA,EAClBzmB,KAAKstB,UAAY9V,G,EAOnBoD,eAAA,a,EAGAgM,OAAA,SAAQ9f,EAAMwU,EAAYC,EAAYC,GACpC,IAAI0G,EAA0BqL,EAAKT,EAAU/lB,EAAQymB,EAA1CtjB,EAAMpD,EAAKE,OACpBymB,GAAc,EAChBztB,KAAKub,WAAaA,EAClB,IAAIwR,EAAY/sB,KAAK+sB,UACnBW,EAAW1tB,KAAKitB,UAChB/R,EAAalb,KAAK0mB,YAClBtL,EAAWpb,KAAKktB,UAChBS,EAAQD,EAASZ,IACjBc,EAAU1S,EAAW4R,IACrBe,EAAQzS,EAAS0R,IACjBgB,EAAQ9tB,KAAKgtB,OACbe,EAAUL,EAASM,QACnB7R,EAAYjB,EAAW8S,QACvB/lB,EAAUmT,EAAS4S,QACnBC,EAAWjuB,KAAKkuB,UAChBC,EAAWnuB,KAAKouB,UAChBC,EAAWruB,KAAKsuB,UAChBC,EAAcvuB,KAAKwuB,aAAaluB,KAAKN,MACrCyuB,EAAczuB,KAAK0uB,aAAapuB,KAAKN,MACrC2uB,EAAe3uB,KAAK4uB,cAActuB,KAAKN,MACvC6uB,EAAc7uB,KAAK8uB,aAAaxuB,KAAKN,MAEjC0sB,EAAaJ,EAAUK,YAAY7lB,GAMzC,IAHAoD,IAAQA,EAAMwiB,GAAc,IAGvBxK,EAAQwK,EAAYxK,EAAQhY,EAAKgY,GAAS,IAC7C,GAAoB,KAAhBpb,EAAKob,GAAiB,CAMxB,GALAqL,KAA2B,GAAlBzmB,EAAKob,EAAQ,IAEtB4K,IAA0B,GAAlBhmB,EAAKob,EAAQ,KAAc,GAAKpb,EAAKob,EAAQ,IAC5B,GAAlBpb,EAAKob,EAAQ,KAAc,EAExB,GAGR,IAFAnb,EAASmb,EAAQ,EAAIpb,EAAKob,EAAQ,MAElBA,EAAQ,IACtB,cAGFnb,EAASmb,EAAQ,EAEnB,OAAQ4K,GACR,KAAKa,EACCJ,IACEQ,IAAYP,EAAMa,EAASN,KAC7BQ,EAAYf,GAAK,GAGnBO,EAAU,CAAEjnB,KAAM,GAAIQ,KAAM,IAE1BymB,IACFA,EAAQjnB,KAAKuB,KAAKvB,EAAKO,SAASN,EAAQmb,EAAQ,MAChD6L,EAAQzmB,MAAQ4a,EAAQ,IAAMnb,GAEhC,MACF,KAAK6mB,EACCL,IACEpR,IAAcqR,EAAMa,EAASlS,MAC3BjB,EAAW9B,MACbqV,EAAYjB,GAEZmB,EAAanB,IAGjBrR,EAAY,CAAErV,KAAM,GAAIQ,KAAM,IAE5B6U,IACFA,EAAUrV,KAAKuB,KAAKvB,EAAKO,SAASN,EAAQmb,EAAQ,MAClD/F,EAAU7U,MAAQ4a,EAAQ,IAAMnb,GAElC,MACF,KAAK8mB,EACCN,IACEtlB,IAAYulB,EAAMa,EAASpmB,KAC7B4mB,EAAYrB,GAGdvlB,EAAU,CAAEnB,KAAM,GAAIQ,KAAM,IAE1BW,IACFA,EAAQnB,KAAKuB,KAAKvB,EAAKO,SAASN,EAAQmb,EAAQ,MAChDja,EAAQX,MAAQ4a,EAAQ,IAAMnb,GAEhC,MACF,KAAK,EACCwmB,IACFxmB,GAAUD,EAAKC,GAAU,GAG3B+mB,EAAQ9tB,KAAKgtB,OAASiB,EAASnnB,EAAMC,GACrC,MACF,KAAK+mB,EACCP,IACFxmB,GAAUD,EAAKC,GAAU,GAG3B,IAAIgoB,EAAaZ,EAASrnB,EAAMC,GAAoC,IAA5B/G,KAAKqa,cAAc8C,OAA4C,IAA3Bnd,KAAKqa,cAAclB,IAAgC,MAAlBnZ,KAAKusB,YAQlHoB,EAAQoB,EAAWC,KACP,IACVtB,EAASZ,IAAMa,IAGjBC,EAAUmB,EAAW3R,OACP,IACZlC,EAAW4R,IAAMc,EACjB1S,EAAW9B,MAAQ2V,EAAW3V,QAEhCyU,EAAQkB,EAAW1C,KACP,IACVjR,EAAS0R,IAAMe,GAGbJ,IAAgBV,IAClBzqB,IAAOrB,IAAI,0BACXwsB,GAAc,EAEdvL,EAAQwK,EAAa,KAEvBK,EAAY/sB,KAAK+sB,WAAY,EAC7B,MACF,KAAK,GACL,KAAK,KACH,MACF,QACEU,GAAc,QAIhBztB,KAAK6R,SAASkB,QAAQC,IAAMzN,MAAO,CAAEhE,KAAMsE,IAAWoN,YAAaC,QAASpN,IAAa4X,mBAAoBtK,OAAO,EAAOC,OAAQ,sCAInI0a,IAAYP,EAAMa,EAASN,KAC7BQ,EAAYf,GAAK,GACjBE,EAASM,QAAU,MAGnBN,EAASM,QAAUD,EAGjB5R,IAAcqR,EAAMa,EAASlS,KAC3BjB,EAAW9B,MACbqV,EAAYjB,GAEZmB,EAAanB,GAGftS,EAAW8S,QAAU,OAEjB7R,GAAaA,EAAU7U,MACzBhF,IAAOrB,IAAI,iEAIbia,EAAW8S,QAAU7R,GAGnBlU,IAAYulB,EAAMa,EAASpmB,KAC7B4mB,EAAYrB,GACZpS,EAAS4S,QAAU,MAGnB5S,EAAS4S,QAAU/lB,EAGC,MAAlBjI,KAAKusB,UACPvsB,KAAKwmB,QAAQvL,MAAMC,EAAYwS,EAAUtS,EAAUpb,KAAKmtB,UAAW7R,EAAYC,EAAYC,GAE3Fxb,KAAKivB,gBAAgB/T,EAAYwS,EAAUtS,EAAUpb,KAAKmtB,UAAW7R,EAAYC,EAAYC,I,EAIjGyT,gBAAA,SAAiB/T,EAAYC,EAAYC,EAAUC,EAAWC,EAAYC,EAAYC,GACpF,GAAIN,EAAW7C,SAAW6C,EAAW9B,MAAO,CAC1C,IAAIkS,EAAYtrB,KAChBA,KAAKusB,UAAUf,kBAAkBtQ,EAAW7C,QAAS,GAAG,WACtDiT,EAAU4D,mBAAmBhU,EAAYC,EAAYC,EAAUC,EAAWC,EAAYC,EAAYC,WAGpGxb,KAAKkvB,mBAAmBhU,EAAYC,EAAYC,EAAUC,EAAWC,EAAYC,EAAYC,I,EAIjG0T,mBAAA,SAAoBhU,EAAYC,EAAYC,EAAUC,EAAWC,EAAYC,EAAYC,GACvF,GAAIL,EAAW9C,QAAS,CACtB,IAAIiT,EAAYtrB,KAChBA,KAAKusB,UAAUL,kBAAkB/Q,EAAW9C,QAAS,EAAG,GAAG,WACzDiT,EAAU9E,QAAQvL,MAAMC,EAAYC,EAAYC,EAAUC,EAAWC,EAAYC,EAAYC,WAG/Fxb,KAAKwmB,QAAQvL,MAAMC,EAAYC,EAAYC,EAAUC,EAAWC,EAAYC,EAAYC,I,EAI5F9J,QAAA,WACE1R,KAAK8a,SAAW9a,KAAK+a,cAAWpJ,EAChC3R,KAAKstB,UAAY,G,EAGnBY,UAAA,SAAWpnB,EAAMC,GAEf,OAA4B,GAApBD,EAAKC,EAAS,MAAe,EAAID,EAAKC,EAAS,K,EAIzDqnB,UAAA,SAAWtnB,EAAMC,EAAQooB,EAAeC,GACtC,IAAmBC,EAA6BvC,EAAKxmB,EAAS,CAAE8W,OAAQ,EAAG4R,KAAM,EAAG3C,KAAM,EAAGjT,OAAO,GAQpG,IANAiW,EAAWtoB,EAAS,IADgB,GAAnBD,EAAKC,EAAS,KAAc,EAAID,EAAKC,EAAS,IACvB,EAKxCA,GAAU,KAF+B,GAApBD,EAAKC,EAAS,MAAe,EAAID,EAAKC,EAAS,KAG7DA,EAASsoB,GAAU,CAExB,OADAvC,GAA0B,GAAnBhmB,EAAKC,EAAS,KAAc,EAAID,EAAKC,EAAS,GAC7CD,EAAKC,IACb,KAAK,IACH,IAAKqoB,EAAa,CAChB9sB,IAAOrB,IAAI,uBAAyB6F,EAAKC,IACzC,MAKJ,KAAK,IAEmB,IAAlBT,EAAO8W,QACT9W,EAAO8W,MAAQ0P,GAGjB,MAGF,KAAK,IAEiB,IAAhBxmB,EAAO+lB,MACT/lB,EAAO+lB,IAAMS,GAGf,MAEF,KAAK,IACH,IAAKsC,EAAa,CAChB9sB,IAAOrB,IAAI,uBAAyB6F,EAAKC,IACzC,MAKJ,KAAK,IAEiB,IAAhBT,EAAO0oB,MACT1oB,EAAO0oB,IAAMlC,GAGf,MAIF,KAAK,EACL,KAAK,EAEEqC,GAEwB,IAAlB7oB,EAAO8W,QAChB9W,EAAO8W,MAAQ0P,EACfxmB,EAAO8S,OAAQ,GAHf9W,IAAOrB,IAAI,2DAKb,MAEF,KAAK,GACHqB,IAAOpB,KAAK,iDACZ,MAEF,QACEoB,IAAOrB,IAAI,uBAAyB6F,EAAKC,IAK3CA,GAAgE,IAAjC,GAAnBD,EAAKC,EAAS,KAAc,EAAID,EAAKC,EAAS,IAE5D,OAAOT,G,EAGTgoB,UAAA,SAAWgB,GACT,IAAWC,EAAMC,EAAqBC,EAAQC,EAAW1B,EAAS2B,EAAQC,EAAQC,EAA9EnoB,EAAI,EAA8FZ,EAAOwoB,EAAOxoB,KAEpH,IAAKwoB,GAA0B,IAAhBA,EAAOhoB,KACpB,OAAO,KAMT,KAAOR,EAAK,GAAGE,OAAS,IAAMF,EAAKE,OAAS,GAAG,CAC7C,IAAI8oB,EAAU,IAAInnB,WAAW7B,EAAK,GAAGE,OAASF,EAAK,GAAGE,QACtD8oB,EAAQxY,IAAIxQ,EAAK,IACjBgpB,EAAQxY,IAAIxQ,EAAK,GAAIA,EAAK,GAAGE,QAC7BF,EAAK,GAAKgpB,EACVhpB,EAAK4a,OAAO,EAAG,GAKjB,GAAkB,MAFlB6N,EAAOzoB,EAAK,IACM,IAAM,KAAOyoB,EAAK,IAAM,GAAKA,EAAK,GAC/B,CAInB,IAHAE,GAAUF,EAAK,IAAM,GAAKA,EAAK,KAGjBE,EAASH,EAAOhoB,KAAO,EACnC,OAAO,KAyCT,GArCe,KADfkoB,EAAWD,EAAK,OAKdI,EAA4B,WAAR,GAAVJ,EAAK,IACO,SAAR,IAAXA,EAAK,KACc,OAAR,IAAXA,EAAK,KACc,KAAR,IAAXA,EAAK,MACM,IAAXA,EAAK,KAAc,GAET,aAEXI,GAAU,YAEG,GAAXH,IACFI,EAA6B,WAAR,GAAXL,EAAK,KACO,SAAR,IAAXA,EAAK,KACc,OAAR,IAAXA,EAAK,KACc,KAAR,IAAXA,EAAK,MACM,IAAXA,EAAK,KAAc,GAET,aAEXK,GAAU,YAERD,EAASC,EAAS,OACpBttB,IAAOpB,KAAQqF,KAAKF,OAAOspB,EAASC,GAAU,KAA9C,2CACAD,EAASC,IAGXA,EAASD,GAKbE,GAFAH,EAAYH,EAAK,IAEgB,EAE7BD,EAAOhoB,MAAQuoB,EACjB,OAAO,KAETP,EAAOhoB,MAAQuoB,EAEf7B,EAAU,IAAIrlB,WAAW2mB,EAAOhoB,MAChC,IAAK,IAAIgY,EAAI,EAAGyQ,EAAUjpB,EAAKE,OAAQsY,EAAIyQ,EAASzQ,IAAK,CAEvD,IAAIpV,GADJqlB,EAAOzoB,EAAKwY,IACG5W,WACf,GAAImnB,EAAoB,CACtB,GAAIA,EAAqB3lB,EAAK,CAE5B2lB,GAAsB3lB,EACtB,SAGAqlB,EAAOA,EAAKloB,SAASwoB,GACrB3lB,GAAO2lB,EACPA,EAAqB,EAGzB7B,EAAQ1W,IAAIiY,EAAM7nB,GAClBA,GAAKwC,EAMP,OAJIulB,IAEFA,GAAUC,EAAY,GAEjB,CAAE5oB,KAAMknB,EAASjS,IAAK4T,EAAQnS,IAAKoS,EAAQ1lB,IAAKulB,GAEvD,OAAO,M,EAIXO,cAAA,SAAerQ,EAAW+N,GACxB,GAAI/N,EAAUR,MAAMnY,QAAU2Y,EAAUhY,MAAO,CAC7C,IAAM0Q,EAAUqV,EAASrV,QACnB8F,EAAY9F,EAAQrR,OAE1B,GAAIipB,MAAMtQ,EAAU5D,KAAM,CACxB,IAAIoC,EAOF,YADAuP,EAASlN,UALT,IAAM0P,EAAa7X,EAAQ8F,EAAY,GACvCwB,EAAU5D,IAAMmU,EAAWnU,IAC3B4D,EAAUnC,IAAM0S,EAAW1S,KAW1Bxd,KAAK8R,OAAOqe,+BACK,IAAlBxQ,EAAUtf,KACTqtB,EAASjV,MAAQ0F,GAAane,KAAKub,aACtCoE,EAAUtG,GAAK8E,EACf9F,EAAQhQ,KAAKsX,IAGb+N,EAASlN,UAGTb,EAAU3e,MAAMgG,QAClB1E,IAAOrB,IAAI0e,EAAU5D,IAAM,IAAM4D,EAAUnC,IAAM,IAAMmC,EAAU3e,Q,EAIrEwtB,aAAA,SAAchB,EAAK4C,GAAM,IAKrBC,EAEAhoB,EAEAX,EATqB,OAEnBkQ,EAAQ5X,KAAKitB,UACf9N,EAAQnf,KAAKswB,cAAc9C,EAAI1mB,MAG/B6Y,EAAY3f,KAAK2f,UAEjB4Q,GAAW,EAEXP,EAAgBhwB,KAAKgwB,cAAc1vB,KAAKN,MACxCwwB,EAAkB,SAAUnwB,EAAK0b,EAAKyB,EAAKxc,GACzC,MAAO,CAAEX,IAAKA,EAAK0b,IAAKA,EAAKyB,IAAKA,EAAK2B,MAAO,GAAIne,MAAOA,IAG7DwsB,EAAI1mB,KAAO,KAIP6Y,GAAaR,EAAMnY,SAAW4Q,EAAM6Y,WACtCT,EAAcrQ,EAAW/H,GACzB+H,EAAY3f,KAAK2f,UAAY6Q,GAAgB,EAAOhD,EAAIzR,IAAKyR,EAAIhQ,IAAK,KAGxE2B,EAAMhd,SAAQ,SAAA4d,GACZ,OAAQA,EAAKxe,MAEb,KAAK,EACH8G,GAAO,EACFsX,IACHA,EAAY,EAAKA,UAAY6Q,GAAgB,EAAMhD,EAAIzR,IAAKyR,EAAIhQ,IAAK,KAOvEmC,EAAUhY,OAAQ,EAClB,IAAIb,EAAOiZ,EAAKjZ,KAEhB,GAAIypB,GAAYzpB,EAAKE,OAAS,EAAG,CAE/B,IAAI0pB,EAAY,IAAIzI,EAAUnhB,GAAM2jB,gBAMlB,IAAdiG,GAAiC,IAAdA,GAAiC,IAAdA,GAAiC,IAAdA,IAC3D/Q,EAAUtf,KAAM,GAGpB,MAEF,KAAK,EACHgI,GAAO,EAEFsX,IACHA,EAAY,EAAKA,UAAY6Q,GAAgB,EAAMhD,EAAIzR,IAAKyR,EAAIhQ,IAAK,KAOvEmC,EAAUtf,KAAM,EAChBsf,EAAUhY,OAAQ,EAClB,MAEF,KAAK,EACHU,GAAO,GAKPgoB,EAAmB,IAAIpI,EAAU,EAAK2C,WAAW7K,EAAKjZ,QAGrCwiB,YAOjB,IALA,IAAIqH,EAAc,EACdC,EAAc,EACdC,GAAgB,EAChBnS,EAAI,GAEAmS,GAAiBR,EAAiBnI,eAAiB,GAAG,CAC5DyI,EAAc,EACd,GAEEA,GADAjS,EAAI2R,EAAiB/G,kBAER,MAAN5K,GAGTkS,EAAc,EACd,GAEEA,GADAlS,EAAI2R,EAAiB/G,kBAER,MAAN5K,GAIT,GAAoB,IAAhBiS,GAAyD,IAApCN,EAAiBnI,gBAKxC,GAJA2I,GAAgB,EAII,MAFFR,EAAiB/G,YAKjC,GAAqB,KAFF+G,EAAiB9G,aAKlC,GAAsB,aAFF8G,EAAiB7G,WAMnC,GAAqB,IAHF6G,EAAiB/G,YAGZ,CACtB,IAAIwH,EAAYT,EAAiB/G,YAG7ByH,EAAW,GAAKD,EAChBE,EAAY,CAACF,EAHAT,EAAiB/G,aAKlC,IAAK5hB,EAAI,EAAGA,EAAIqpB,EAAUrpB,IAExBspB,EAAU3oB,KAAKgoB,EAAiB/G,aAChC0H,EAAU3oB,KAAKgoB,EAAiB/G,aAChC0H,EAAU3oB,KAAKgoB,EAAiB/G,aAGlC,EAAK2H,qBAAqB,EAAK9D,UAAU9U,QAAS,CAAE9W,KAAM,EAAGwa,IAAKyR,EAAIzR,IAAK5D,MAAO6Y,UAKrF,GAAoB,IAAhBL,GAAyD,IAApCN,EAAiBnI,gBAG/C,GAFA2I,GAAgB,EAEZD,EAAc,GAAI,CACpB,IAAMM,EAAe,GACrB,IAAKxpB,EAAI,EAAGA,EAAI,GAAIA,IAClBwpB,EAAa7oB,KAAKgoB,EAAiB/G,YAAY6H,SAAS,KAE9C,IAANzpB,GAAiB,IAANA,GAAiB,IAANA,GAAiB,IAANA,GACnCwpB,EAAa7oB,KAAK,KAGtB,IAAMrB,EAAS4pB,EAAc,GACvBQ,EAAuB,IAAIzoB,WAAW3B,GAC5C,IAAKU,EAAI,EAAGA,EAAIV,EAAQU,IACtB0pB,EAAqB1pB,GAAK2oB,EAAiB/G,YAG7C,EAAK2H,qBAAqB,EAAK9D,UAAU9U,QAAS,CAChD0D,IAAKyR,EAAIzR,IACT4U,YAAaA,EACbU,KAAMH,EAAazkB,KAAK,IACxB6kB,cAAeF,EACfG,SAAUlnB,YAAe+mB,EAAqBnoB,gBAG7C,GAAI2nB,EAAcP,EAAiBnI,eACxC,IAAKxgB,EAAI,EAAGA,EAAIkpB,EAAalpB,IAC3B2oB,EAAiB/G,YAIvB,MAEF,KAAK,EAOH,GANAjhB,GAAO,EACPkoB,GAAW,GAKN3Y,EAAMa,IAAK,CAEd,IAAI3G,GADJue,EAAmB,IAAIpI,EAAUlI,EAAKjZ,OACR8iB,UAC9BhS,EAAMgB,MAAQ9G,EAAO8G,MACrBhB,EAAMiB,OAAS/G,EAAO+G,OACtBjB,EAAMmB,WAAajH,EAAOiH,WAC1BnB,EAAMa,IAAM,CAACsH,EAAKjZ,MAClB8Q,EAAMJ,SAAW,EAAK8V,UACtB,IAAIkE,EAAazR,EAAKjZ,KAAKO,SAAS,EAAG,GACnCoqB,EAAc,QAClB,IAAK/pB,EAAI,EAAGA,EAAI,EAAGA,IAAK,CACtB,IAAIgqB,EAAIF,EAAW9pB,GAAGypB,SAAS,IAC3BO,EAAE1qB,OAAS,IACb0qB,EAAI,IAAMA,GAGZD,GAAeC,EAEjB9Z,EAAMpE,MAAQie,EAEhB,MAEF,KAAK,EACHppB,GAAO,EAKFuP,EAAMc,MACTd,EAAMc,IAAM,CAACqH,EAAKjZ,OAGpB,MAEF,KAAK,EACHuB,GAAO,EACPuP,EAAM6Y,UAAW,EACb9Q,GACFqQ,EAAcrQ,EAAW/H,GAG3B+H,EAAY,EAAKA,UAAY6Q,GAAgB,EAAOhD,EAAIzR,IAAKyR,EAAIhQ,IAAsB,IACvF,MAEF,KAAK,GACHnV,GAAO,EACP,MACF,QACEA,GAAO,EACHsX,IACFA,EAAU3e,OAAS,eAAiB+e,EAAKxe,KAAO,KAKhDoe,GAAatX,GACHsX,EAAUR,MAChB9W,KAAK0X,MAIXqQ,GAAQzQ,IACVqQ,EAAcrQ,EAAW/H,GACzB5X,KAAK2f,UAAY,O,EAIrBsR,qBAAA,SAAsBU,EAAK7qB,GACzB,IAAIoD,EAAMynB,EAAI3qB,OACd,GAAIkD,EAAM,GACR,GAAIpD,EAAKiV,KAAO4V,EAAIznB,EAAM,GAAG6R,IAC3B4V,EAAItpB,KAAKvB,QAET,IAAK,IAAI8qB,EAAM1nB,EAAM,EAAG0nB,GAAO,EAAGA,IAChC,GAAI9qB,EAAKiV,IAAM4V,EAAIC,GAAK7V,IAAK,CAC3B4V,EAAIjQ,OAAOkQ,EAAK,EAAG9qB,GACnB,YAKN6qB,EAAItpB,KAAKvB,I,EAIb+qB,gBAAA,WACE,IAAgCC,EAA5BnS,EAAY3f,KAAK2f,UAErB,IAAKA,GAAwC,IAA3BA,EAAUR,MAAMnY,OAAc,CAC9C,IAA4BqR,EAAhBrY,KAAKitB,UAA2B5U,QAC5CsH,EAAYtH,EAAQA,EAAQrR,OAAS,GAEvC,GAAI2Y,EAAW,CACb,IAAIR,EAAQQ,EAAUR,MACtB2S,EAAW3S,EAAMA,EAAMnY,OAAS,GAElC,OAAO8qB,G,EAGTxB,cAAA,SAAehnB,GACb,IAAmClJ,EAAO2xB,EAC1BhS,EAAoCiS,EADhDtqB,EAAI,EAAGwC,EAAMZ,EAAMZ,WAA6BkP,EAAQ5X,KAAKitB,UAAWgF,EAAQra,EAAMsa,WAAa,EAAGC,EAAYF,EAClH9S,EAAQ,GAAoBiT,GAAiB,EAYjD,KATe,IAAXH,IAEFG,EAAgB,EAEhBJ,EAA0B,GAAX1oB,EAAM,GACrB2oB,EAAQ,EACRvqB,EAAI,GAGCA,EAAIwC,GAGT,GAFA9J,EAAQkJ,EAAM5B,KAETuqB,EAIL,GAAc,IAAVA,EAKJ,GAAK7xB,EAEE,GAAc,IAAVA,EAAa,CACtB,GAAIgyB,GAAiB,EACnBrS,EAAO,CAAEjZ,KAAMwC,EAAMjC,SAAS+qB,EAAe1qB,EAAIuqB,EAAQ,GAAI1wB,KAAMywB,GAEnE7S,EAAM9W,KAAK0X,OACN,CAKL,IAAI+R,EAAW9xB,KAAK6xB,kBACpB,GAAIC,IACEK,GAAczqB,GAAK,EAAIyqB,GAIrBL,EAASG,QAEXH,EAAShrB,KAAOgrB,EAAShrB,KAAKO,SAAS,EAAGyqB,EAAShrB,KAAK4B,WAAaypB,KAIzEJ,EAAWrqB,EAAIuqB,EAAQ,GACR,GAAG,CAEhB,IAAII,EAAM,IAAI1pB,WAAWmpB,EAAShrB,KAAK4B,WAAaqpB,GACpDM,EAAI/a,IAAIwa,EAAShrB,KAAM,GACvBurB,EAAI/a,IAAIhO,EAAMjC,SAAS,EAAG0qB,GAAWD,EAAShrB,KAAK4B,YACnDopB,EAAShrB,KAAOurB,GAKlB3qB,EAAIwC,GAGNkoB,EAAgB1qB,EAChBsqB,EAHsB,GAAX1oB,EAAM5B,GAIjBuqB,EAAQ,GAGRA,GAAS,OAGXA,EAAQ,OA7CRA,EAAQ,OALRA,EAAQ7xB,EAAQ,EAAI,OAJpB6xB,EAAQ7xB,EAAQ,EAAI,EA+DxB,GANIgyB,GAAiB,GAAKH,GAAS,IACjClS,EAAO,CAAEjZ,KAAMwC,EAAMjC,SAAS+qB,EAAeloB,GAAM3I,KAAMywB,EAAcC,MAAOA,GAC9E9S,EAAM9W,KAAK0X,IAIQ,IAAjBZ,EAAMnY,OAAc,CAEtB,IAAI8qB,EAAW9xB,KAAK6xB,kBACpB,GAAIC,EAAU,CACZ,IAAIO,EAAM,IAAI1pB,WAAWmpB,EAAShrB,KAAK4B,WAAaY,EAAMZ,YAC1D2pB,EAAI/a,IAAIwa,EAAShrB,KAAM,GACvBurB,EAAI/a,IAAIhO,EAAOwoB,EAAShrB,KAAK4B,YAC7BopB,EAAShrB,KAAOurB,GAIpB,OADAza,EAAMsa,UAAYD,EACX9S,G,EAMTyL,WAAA,SAAY9jB,GAOV,IANA,IAGEwrB,EAAWxC,EAHT9oB,EAASF,EAAK4B,WAChB6pB,EAAe,GACf7qB,EAAI,EAICA,EAAIV,EAAS,GACF,IAAZF,EAAKY,IACW,IAAhBZ,EAAKY,EAAI,IACO,IAAhBZ,EAAKY,EAAI,IACX6qB,EAAalqB,KAAKX,EAAI,GACtBA,GAAK,GAELA,IAMJ,GAA4B,IAAxB6qB,EAAavrB,OACf,OAAOF,EAITwrB,EAAYtrB,EAASurB,EAAavrB,OAClC8oB,EAAU,IAAInnB,WAAW2pB,GACzB,IAAIE,EAAc,EAElB,IAAK9qB,EAAI,EAAGA,EAAI4qB,EAAWE,IAAe9qB,IACpC8qB,IAAgBD,EAAa,KAE/BC,IAEAD,EAAaE,SAEf3C,EAAQpoB,GAAKZ,EAAK0rB,GAEpB,OAAO1C,G,EAGTpB,aAAA,SAAclB,GACZ,IAMErL,EAAe8D,EAAYlf,EAAQub,EAAOpY,EAgBtCmJ,EAAQD,EAtBVwE,EAAQ5X,KAAK0mB,YACf5f,EAAO0mB,EAAI1mB,KACXiV,EAAMyR,EAAIzR,IAEVqR,EAAcptB,KAAKotB,YACnBC,EAAartB,KAAKqtB,WAEpB,GAAID,EAAa,CACf,IAAIiF,EAAM,IAAI1pB,WAAWykB,EAAY1kB,WAAa5B,EAAK4B,YACvD2pB,EAAI/a,IAAI8V,EAAa,GACrBiF,EAAI/a,IAAIxQ,EAAMsmB,EAAY1kB,YAE1B5B,EAAOurB,EAGT,IAAKtrB,EAZW,EAYWmD,EAAMpD,EAAKE,OAAQD,EAASmD,EAAM,IACvDyc,EAAc7f,EAAMC,GADsCA,KAMhE,GAAIA,IAEEA,EAASmD,EAAM,GACjBmJ,EAAS,iDAAiDtM,EAC1DqM,GAAQ,IAERC,EAAS,kCACTD,GAAQ,GAEV9Q,IAAOpB,KAAP,iBAA6BmS,GAC7BrT,KAAK6R,SAASkB,QAAQC,IAAMzN,MAAO,CAAEhE,KAAMsE,IAAWoN,YAAaC,QAASpN,IAAa4X,mBAAoBtK,MAAOA,EAAOC,OAAQA,IAC/HD,GACF,OAUJ,GANAuT,EAAqB/O,EAAO5X,KAAK6R,SAAU/K,EAAMC,EAAQ/G,KAAKulB,YAC9DU,EAAa,EACb9D,EAAgBwE,EAAsB/O,EAAMsB,YAIxCkU,GAAeC,EAAY,CAC7B,IAAIqF,EAASrF,EAAalL,EACtB5b,KAAKgY,IAAImU,EAAS3W,GAAO,IAC3BzZ,IAAOrB,IAAP,4CAAuDsF,KAAKF,OAAOqsB,EAAS3W,GAAO,KACnFA,EAAM2W,GAKV,KAAO3rB,EAASmD,GAAK,CACnB,GAAIyc,EAAc7f,EAAMC,GAAS,CAC/B,GAAKA,EAAS,EAAKmD,EAAK,CACtB,IAAMvC,EAAQgf,EAAiB/O,EAAO9Q,EAAMC,EAAQgV,EAAKkK,GACzD,GAAIte,EAAO,CACTZ,GAAUY,EAAMX,OAChBsb,EAAQ3a,EAAM8R,OAAOsC,IACrBkK,IACA,UAKJ,MAGAlf,IAKFqmB,EADErmB,EAASmD,EACGpD,EAAKO,SAASN,EAAQmD,GAGtB,KAGhBlK,KAAKotB,YAAcA,EACnBptB,KAAKqtB,WAAa/K,G,EAGpBsM,cAAA,SAAepB,GAOb,IANA,IAAI1mB,EAAO0mB,EAAI1mB,KACXE,EAASF,EAAKE,OACdif,EAAa,EACblf,EAAS,EACTgV,EAAMyR,EAAIzR,IAEPhV,EAASC,GACd,GAAI8f,EAAUjgB,SAASC,EAAMC,GAAS,CACpC,IAAIY,EAAQmf,EAAUd,YAAYhmB,KAAK0mB,YAAa5f,EAAMC,EAAQgV,EAAKkK,GACvE,IAAIte,EAKF,MAJAZ,GAAUY,EAAMX,OAChBif,SAOFlf,K,EAKN+nB,aAAA,SAActB,GACZxtB,KAAKktB,UAAU7U,QAAQhQ,KAAKmlB,I,KCh/BjBmF,E,WA7Eb,WAAa9gB,EAAU2U,EAAS1U,GAC9B9R,KAAK6R,SAAWA,EAChB7R,KAAK8R,OAASA,EACd9R,KAAKwmB,QAAUA,E,2BAGjBxL,iBAAA,SAAkBhB,EAAauL,EAAYkB,EAAYjP,GACrDxX,KAAK0mB,YAAc,CAAE1J,UAAW,aAAczb,KAAM,QAAS8X,IAAK,EAAGxB,eAAgB,EAAGuB,OAAO,EAAOf,QAAS,GAAInO,IAAK,EAAG2X,cAAe0D,EAAY/N,SAAUA,EAAUwE,eAAgB,M,EAG5LpB,eAAA,a,EAGOuK,MAAP,SAAcre,GAEZ,IAAIC,EAAQC,EACRiB,EAAUrB,IAAIM,WAAWJ,EAAM,GACnC,GAAImB,QAAyC0J,IAA9B/K,IAAIW,aAAaU,GAI9B,IAAKlB,EAASkB,EAAQjB,OAAQA,EAAST,KAAKgX,IAAIzW,EAAKE,OAAS,EAAGD,EAAS,KAAMA,EAASC,EAAQD,IAC/F,GAAI+f,EAAU3B,MAAMre,EAAMC,GAExB,OADAzE,IAAOrB,IAAI,iCACJ,EAIb,OAAO,G,EAIT2lB,OAAA,SAAQ9f,EAAMwU,EAAYC,EAAYC,GAWpC,IAVA,IAAIvT,EAAUrB,IAAIM,WAAWJ,EAAM,GAC/B+B,EAAYjC,IAAIW,aAAaU,GAC7B8T,EAAMlT,EAAY,GAAKA,EAAyB,IAAbyS,EACnCvU,EAASkB,EAAQjB,OACjBA,EAASF,EAAKE,OACdif,EAAa,EAAG3D,EAAQ,EACxB1K,EAAQ5X,KAAK0mB,YAEbG,EAAa,CAAC,CAAE9K,IAAKA,EAAKyB,IAAKzB,EAAKjV,KAAMmB,IAEvClB,EAASC,GACd,GAAI8f,EAAUjgB,SAASC,EAAMC,GAAS,CACpC,IAAIY,EAAQmf,EAAUd,YAAYpO,EAAO9Q,EAAMC,EAAQgV,EAAKkK,GAC5D,IAAIte,EAMF,MALAZ,GAAUY,EAAMX,OAChBsb,EAAQ3a,EAAM8R,OAAOsC,IACrBkK,SAKOrf,IAAIC,SAASC,EAAMC,IAC5BkB,EAAUrB,IAAIM,WAAWJ,EAAMC,GAC/B8f,EAAWxe,KAAK,CAAE0T,IAAKuG,EAAO9E,IAAK8E,EAAOxb,KAAMmB,IAChDlB,GAAUkB,EAAQjB,QAGlBD,IAIJ/G,KAAKwmB,QAAQvL,MAAMrD,EACjB,CAAES,QAAS,IACX,CAAEA,QAASwO,EAAY7K,eAAgB,KACvC,CAAE3D,QAAS,IACXiD,EACAC,EACAC,I,EAGJ9J,QAAA,a,YCpCakhB,E,WAvCb,WAAa/gB,GACX7R,KAAK6R,SAAWA,E,2BAGlBH,QAAA,a,EAGAkJ,eAAA,a,EAGAI,iBAAA,a,EAGAC,MAAA,SAAOC,EAAYC,EAAYC,EAAUC,EAAWC,EAAYC,EAAYC,EAAoBqX,GAC9F,IAAIhhB,EAAW7R,KAAK6R,SAChBihB,EAAa,GACb5X,IACF4X,GAAc,SAGZ3X,IACF2X,GAAc,SAGhBjhB,EAASkB,QAAQC,IAAM/N,kBAAmB,CACxCyb,MAAOmS,EACPvW,SAAUhB,EACVsF,SAAUtF,EACV/Z,KAAMuxB,EACNhS,WAAY5F,EACZ6F,WAAY5F,EACZ6F,GAAI,EACJR,QAAS,IAGX3O,EAASkB,QAAQC,IAAM9N,c,KPpBrBzD,EAASC,cAIf,IACE4kB,EAAM7kB,EAAOsxB,YAAYzM,IAAIhmB,KAAKmB,EAAOsxB,aACzC,MAAOngB,GACPtQ,IAAOtB,MAAM,qDACbslB,EAAM7kB,EAAOuxB,KAAK1M,I,IAGd2M,E,WACJ,WAAaphB,EAAUwI,EAAevI,EAAQwI,GAC5Cta,KAAK6R,SAAWA,EAChB7R,KAAKqa,cAAgBA,EACrBra,KAAK8R,OAASA,EACd9R,KAAKsa,OAASA,E,2BAGhB5I,QAAA,WACE,IAAIwhB,EAAUlzB,KAAKkzB,QACfA,GACFA,EAAQxhB,W,EAIZrJ,KAAA,SAAMvB,EAAM6jB,EAAa3Q,EAAauL,EAAYkB,EAAYnL,EAAY6X,EAAeC,EAAa7X,EAAY/D,EAAUgE,EAAoB6X,GAAgB,WAC9J,GAAKvsB,EAAK4B,WAAa,GAAsB,MAAfiiB,GAA4C,MAAnBA,EAAYtqB,KAAwC,YAAvBsqB,EAAY8B,OAAuB,CACrH,IAAI5B,EAAY7qB,KAAK6qB,UACJ,MAAbA,IACFA,EAAY7qB,KAAK6qB,UAAY,IAAIjZ,IAAU5R,KAAK6R,SAAU7R,KAAK8R,SAGjE,IAAMwhB,EAAYhN,IAClBuE,EAAU/d,QAAQhG,EAAM6jB,EAAYtqB,IAAI4I,OAAQ0hB,EAAY/d,GAAG3D,QAAQ,SAACsiB,GACtE,IAAMgI,EAAUjN,IAChB,EAAKzU,SAASkB,QAAQC,IAAMnO,eAAgB,CAAE2uB,MAAO,CAAEC,OAAQH,EAAWI,SAAUH,KACpF,EAAKI,cAAc,IAAIhrB,WAAW4iB,GAAgBZ,EAAa,IAAIhiB,WAAWqR,GAAcuL,EAAYkB,EAAYnL,EAAY6X,EAAeC,EAAa7X,EAAY/D,EAAUgE,EAAoB6X,WAGxMrzB,KAAK2zB,cAAc,IAAIhrB,WAAW7B,GAAO6jB,EAAa,IAAIhiB,WAAWqR,GAAcuL,EAAYkB,EAAYnL,EAAY6X,EAAeC,EAAa7X,EAAY/D,EAAUgE,EAAoB6X,I,EAIjMM,cAAA,SAAe7sB,EAAM6jB,EAAa3Q,EAAauL,EAAYkB,EAAYnL,EAAY6X,EAAeC,EAAa7X,EAAY/D,EAAUgE,EAAoB6X,GACvJ,IAAIH,EAAUlzB,KAAKkzB,QACnB,IAAKA,IAIDC,GAAiBC,KAAiBpzB,KAAKmlB,MAAMre,GAAQ,CAavD,IAZA,IAAM+K,EAAW7R,KAAK6R,SAChBwI,EAAgBra,KAAKqa,cACrBvI,EAAS9R,KAAK8R,OAEd8hB,EAAY,CAChB,CAAEC,MAAOvH,EAAWrR,MAAOb,KAC3B,CAAEyZ,MAAOC,IAAY7Y,MAAO2X,GAC5B,CAAEiB,MAAOtN,EAAYtL,MAAOb,KAC5B,CAAEyZ,MAAOlB,EAAY1X,MAAOb,MAIrB1S,EAAI,EAAGwC,EAAM0pB,EAAU5sB,OAAQU,EAAIwC,EAAKxC,IAAK,CACpD,IAAMqsB,EAAMH,EAAUlsB,GAChByd,EAAQ4O,EAAIF,MAAM1O,MACxB,GAAIA,EAAMre,GAAO,CACf,IAAM0f,EAAUxmB,KAAKwmB,QAAU,IAAIuN,EAAI9Y,MAAMpJ,EAAUC,EAAQuI,EAAera,KAAKsa,QACnF4Y,EAAU,IAAIa,EAAIF,MAAMhiB,EAAU2U,EAAS1U,EAAQuI,GACnDra,KAAKmlB,MAAQA,EACb,OAGJ,IAAK+N,EAEH,YADArhB,EAASkB,QAAQC,IAAMzN,MAAO,CAAEhE,KAAMsE,IAAWoN,YAAaC,QAASpN,IAAa4X,mBAAoBtK,OAAO,EAAMC,OAAQ,yCAG/HrT,KAAKkzB,QAAUA,EAEjB,IAAM1M,EAAUxmB,KAAKwmB,SAEjB2M,GAAiBC,KACnBF,EAAQlY,iBAAiBhB,EAAauL,EAAYkB,EAAYjP,GAC9DgP,EAAQxL,oBAENmY,IACFD,EAAQtY,eAAeyY,GACvB7M,EAAQ5L,eAAeyY,IAEa,mBAA3BH,EAAQ1G,gBACjB0G,EAAQ1G,eAAe7B,GAGzBuI,EAAQtM,OAAO9f,EAAMwU,EAAYC,EAAYC,I,KAIlCyX,O,6BQtHf,kBAMMvf,EAAanN,KAAKoN,IAAI,EAAG,IAAM,EAE/BmgB,E,WACJ,WAAajiB,EAAU2U,GACrBxmB,KAAK6R,SAAWA,EAChB7R,KAAKwmB,QAAUA,E,2BAGjB5L,eAAA,SAAgBgC,GACd5c,KAAK4c,QAAUA,G,EAGjB5B,iBAAA,SAAkBhB,EAAauL,EAAYkB,EAAYjP,GAErD,GAAIwC,GAAeA,EAAYtR,WAAY,CACzC,IAAMsrB,EAAWh0B,KAAKg0B,SAAWF,EAAWG,iBAAiBja,GAI3C,MAAduL,IACFA,EAAa,aAGG,MAAdkB,IACFA,EAAa,eAGf,IAAMzO,EAAS,GACXgc,EAAS5W,OAAS4W,EAAS1W,MAC7BtF,EAAOkc,WAAa,CAAElX,UAAW,YAAaxJ,MAAO+R,EAAa,IAAMkB,EAAYzM,YAAaxC,EAAWwC,EAAc,OAEtHga,EAAS5W,QACXpF,EAAOoF,MAAQ,CAAEJ,UAAW,YAAaxJ,MAAO+R,EAAYvL,YAAaxC,EAAWwC,EAAc,OAGhGga,EAAS1W,QACXtF,EAAOsF,MAAQ,CAAEN,UAAW,YAAaxJ,MAAOiT,EAAYzM,YAAaxC,EAAWwC,EAAc,QAGtGha,KAAK6R,SAASkB,QAAQC,IAAMlO,0BAA2B,CAAEkT,gBAErDuN,IACFvlB,KAAKulB,WAAaA,GAGhBkB,IACFzmB,KAAKymB,WAAaA,I,EAKjBtB,MAAP,SAAcre,GAEZ,OAAOgtB,EAAWK,QAAQ,CAAErtB,KAAMA,EAAMob,MAAO,EAAGha,IAAK3B,KAAKgX,IAAIzW,EAAKE,OAAQ,QAAU,CAAC,SAASA,OAAS,G,EAGrGotB,QAAP,SAAgBnrB,GACd,OAAOlB,OAAOC,aAAajG,MAAM,KAAMkH,I,EAGlCorB,WAAP,SAAmBprB,EAAQlC,GACrBkC,EAAOnC,OACTC,GAAUkC,EAAOiZ,MACjBjZ,EAASA,EAAOnC,MAGlB,IAAMwtB,EAAMrrB,EAAOlC,IAAW,EAClBkC,EAAOlC,EAAS,GAE5B,OAAOutB,EAAM,EAAI,MAAQA,EAAMA,G,EAG1BC,WAAP,SAAmBtrB,EAAQlC,GACrBkC,EAAOnC,OACTC,GAAUkC,EAAOiZ,MACjBjZ,EAASA,EAAOnC,MAGlB,IAAMwtB,EAAMrrB,EAAOlC,IAAW,GAClBkC,EAAOlC,EAAS,IAAM,GACtBkC,EAAOlC,EAAS,IAAM,EACtBkC,EAAOlC,EAAS,GAC5B,OAAOutB,EAAM,EAAI,WAAaA,EAAMA,G,EAG/BE,YAAP,SAAoBvrB,EAAQlC,EAAQ3G,GAC9B6I,EAAOnC,OACTC,GAAUkC,EAAOiZ,MACjBjZ,EAASA,EAAOnC,MAElBmC,EAAOlC,GAAU3G,GAAS,GAC1B6I,EAAOlC,EAAS,GAAM3G,GAAS,GAAM,IACrC6I,EAAOlC,EAAS,GAAM3G,GAAS,EAAK,IACpC6I,EAAOlC,EAAS,GAAa,IAAR3G,G,EAIhB+zB,QAAP,SAAgBrtB,EAAMwE,GACpB,IACE5D,EAAGJ,EAAYY,EAAKusB,EAAYvS,EAAOwS,EADrCC,EAAU,GAYd,GATI7tB,EAAKA,MACPob,EAAQpb,EAAKob,MACbha,EAAMpB,EAAKoB,IACXpB,EAAOA,EAAKA,OAEZob,EAAQ,EACRha,EAAMpB,EAAK4B,aAGR4C,EAAKtE,OAER,OAAO,KAGT,IAAKU,EAAIwa,EAAOxa,EAAIQ,GAGlBwsB,GAFAptB,EAAOwsB,EAAWS,WAAWztB,EAAMY,IAEnB,EAAIA,EAAIJ,EAAOY,EADxB4rB,EAAWM,QAAQttB,EAAKO,SAASK,EAAI,EAAGA,EAAI,MAGtC4D,EAAK,KACI,IAAhBA,EAAKtE,OAGP2tB,EAAQtsB,KAAK,CAAEvB,KAAMA,EAAMob,MAAOxa,EAAI,EAAGQ,IAAKwsB,KAG9CD,EAAaX,EAAWK,QAAQ,CAAErtB,KAAMA,EAAMob,MAAOxa,EAAI,EAAGQ,IAAKwsB,GAAUppB,EAAKmG,MAAM,KACvEzK,SACb2tB,EAAUA,EAAQzc,OAAOuc,KAI/B/sB,EAAIgtB,EAIN,OAAOC,G,EAGFC,kBAAP,SAA0B5a,GACxB,IAKI6a,EALEhgB,EAAOif,EAAWK,QAAQna,EAAa,CAAC,SAAS,GACjD8a,EAAgBjgB,EAAOA,EAAK3M,IAAM,KAEpCgB,EAAQ,EACR6rB,EAAOjB,EAAWK,QAAQna,EAAa,CAAC,SAG5C,IAAK+a,IAASA,EAAK,GACjB,OAAO,KAGTF,EAAa,GAGb,IAAMG,GAFND,EAAOA,EAAK,IAESjuB,KAAK,GAG1BoC,EAAoB,IAAZ8rB,EAAgB,EAAI,GAE5B,IAAMzd,EAAYuc,EAAWS,WAAWQ,EAAM7rB,GAC9CA,GAAS,EAQPA,GADc,IAAZ8rB,EACO,EAEA,GAIX9rB,GAAS,EAET,IAAI+rB,EAAYF,EAAK7sB,IAXH,EAaZgtB,EAAkBpB,EAAWO,WAAWU,EAAM7rB,GACpDA,GAAS,EAET,IAAK,IAAIxB,EAAI,EAAGA,EAAIwtB,EAAiBxtB,IAAK,CACxC,IAAIytB,EAAiBjsB,EAEfksB,EAAgBtB,EAAWS,WAAWQ,EAAMI,GAClDA,GAAkB,EAElB,IAAME,EAAgC,WAAhBD,EAGtB,GAAsB,KAFiB,WAAhBA,KAAgC,GAIrD,YADAvzB,QAAQX,KAAK,oDAIf,IAAMo0B,EAAqBxB,EAAWS,WAAWQ,EAAMI,GACvDA,GAAkB,EAElBN,EAAWxsB,KAAK,CACdgtB,gBACAC,qBACAn0B,KAAM,CACJqW,SAAU8d,EAAqB/d,EAC/B2K,MAAO+S,EACP/sB,IAAK+sB,EAAYI,EAAgB,KAIrCJ,GAAaI,EAObnsB,EAHAisB,GAAkB,EAMpB,MAAO,CACLI,yBAvD6B,EAwD7Bhe,YACAyd,UACAE,kBACAL,aACAC,kB,EAuBGb,iBAAP,SAAyBja,GACvB,IAAI1T,EAAS,GAmCb,OAlCYwtB,EAAWK,QAAQna,EAAa,CAAC,OAAQ,SAE/C7X,SAAQ,SAAAyT,GACZ,IAAMG,EAAO+d,EAAWK,QAAQve,EAAM,CAAC,SAAS,GAChD,GAAIG,EAAM,CACR,IAAIif,EAAUjf,EAAKjP,KAAKiP,EAAKmM,OACzBhZ,EAAoB,IAAZ8rB,EAAgB,GAAK,GAC7BQ,EAAU1B,EAAWS,WAAWxe,EAAM7M,GAEpCsL,EAAOsf,EAAWK,QAAQve,EAAM,CAAC,OAAQ,SAAS,GACxD,GAAIpB,EAAM,CAERtL,EAAoB,KADpB8rB,EAAUxgB,EAAK1N,KAAK0N,EAAK0N,QACD,GAAK,GAC7B,IAAM3K,EAAYuc,EAAWS,WAAW/f,EAAMtL,GAExCoL,EAAOwf,EAAWK,QAAQve,EAAM,CAAC,OAAQ,SAAS,GACxD,GAAItB,EAAM,CACR,IACI/S,EAAO,CAAE,KAAQ,QAAS,KAAQ,SADrBuyB,EAAWM,QAAQ9f,EAAKxN,KAAKO,SAASiN,EAAK4N,MAAQ,EAAG5N,EAAK4N,MAAQ,MAEpF,GAAI3gB,EAAM,CAER,IAAIk0B,EAAW3B,EAAWK,QAAQve,EAAM,CAAC,OAAQ,OAAQ,OAAQ,SACjE,GAAI6f,EAASzuB,OAAQ,CACnByuB,EAAWA,EAAS,GACpB,IAAIC,EAAY5B,EAAWM,QAAQqB,EAAS3uB,KAAKO,SAASouB,EAASvT,MAAQ,GAAIuT,EAASvT,MAAQ,KAChG5f,IAAOrB,IAAP,cAAyBM,EAAzB,IAAiCm0B,EAAjC,UAEFpvB,EAAOkvB,GAAW,CAAEje,UAAWA,EAAWhW,KAAMA,GAChD+E,EAAO/E,GAAQ,CAAEgW,UAAWA,EAAW8B,GAAImc,UAM9ClvB,G,EAmBFqvB,YAAP,SAAoB3B,EAAU9nB,GAC5B,IAAI0pB,EAAOC,EAAWvvB,EAmCtB,OAhCAsvB,EAAQ9B,EAAWK,QAAQjoB,EAAU,CAAC,OAAQ,SAG9C2pB,EAAY,GAAG3d,OAAOnW,MAAM,GAAI6zB,EAAME,KAAI,SAAUngB,GAClD,OAAOme,EAAWK,QAAQxe,EAAM,CAAC,SAASmgB,KAAI,SAAUpgB,GACtD,IAAI2D,EAAI0c,EAqBR,OAlBA1c,EAAKya,EAAWS,WAAW7e,EAAM,GAEjCqgB,EAAQ/B,EAAS3a,GAAI9B,WAAa,IAGvBuc,EAAWK,QAAQxe,EAAM,CAAC,SAASmgB,KAAI,SAAUrgB,GAC1D,IAAIuf,EAAS1uB,EASb,OAPA0uB,EAAUvf,EAAK3O,KAAK2O,EAAKyM,OACzB5b,EAASwtB,EAAWS,WAAW9e,EAAM,GACrB,IAAZuf,IACF1uB,GAAUC,KAAKoN,IAAI,EAAG,IAEtBrN,GAAUwtB,EAAWS,WAAW9e,EAAM,IAEjCnP,KACN,GAEeyvB,SAKtBzvB,EAASC,KAAKgX,IAAIxb,MAAM,KAAM8zB,GACvB5vB,SAASK,GAAUA,EAAS,G,EAG9B0vB,eAAP,SAAuBhC,EAAU9nB,EAAUoP,GACzCwY,EAAWK,QAAQjoB,EAAU,CAAC,OAAQ,SAAS4pB,KAAI,SAAUngB,GAC3D,OAAOme,EAAWK,QAAQxe,EAAM,CAAC,SAASmgB,KAAI,SAAUpgB,GAEtD,IAAI2D,EAAKya,EAAWS,WAAW7e,EAAM,GAEjC6B,EAAYyc,EAAS3a,GAAI9B,WAAa,IAG1Cuc,EAAWK,QAAQxe,EAAM,CAAC,SAASmgB,KAAI,SAAUrgB,GAC/C,IAAIuf,EAAUvf,EAAK3O,KAAK2O,EAAKyM,OACzBnK,EAAsB+b,EAAWS,WAAW9e,EAAM,GACtD,GAAgB,IAAZuf,EACFlB,EAAWU,YAAY/e,EAAM,EAAGsC,EAAsBuD,EAAa/D,OAC9D,CACLQ,GAAuBxR,KAAKoN,IAAI,EAAG,IACnCoE,GAAuB+b,EAAWS,WAAW9e,EAAM,GACnDsC,GAAuBuD,EAAa/D,EACpCQ,EAAsBxR,KAAK0V,IAAIlE,EAAqB,GACpD,IAAMke,EAAQ1vB,KAAKmR,MAAMK,GAAuBrE,EAAa,IACvDwiB,EAAQ3vB,KAAKmR,MAAMK,GAAuBrE,EAAa,IAC7DogB,EAAWU,YAAY/e,EAAM,EAAGwgB,GAChCnC,EAAWU,YAAY/e,EAAM,EAAGygB,c,EAQ1CtP,OAAA,SAAQ9f,EAAMwU,EAAYC,EAAYC,GACpC,IAAIwY,EAAWh0B,KAAKg0B,SACfA,IACHh0B,KAAKgb,iBAAiBlU,EAAM9G,KAAKulB,WAAYvlB,KAAKymB,YAAY,GAC9DuN,EAAWh0B,KAAKg0B,UAElB,IAAIpT,EAAUhE,EAAU5c,KAAK4c,QAC7B,QAAgBjL,IAAZiL,EAAuB,CACzB,IAAIgE,EAAWkT,EAAW6B,YAAY3B,EAAUltB,GAChD9G,KAAK4c,QAAUA,EAAUgE,EAAWtF,EACpCtb,KAAK6R,SAASkB,QAAQC,IAAMxO,eAAgB,CAAEoY,QAASA,IAEzDkX,EAAWkC,eAAehC,EAAUltB,EAAM8V,GAC1CgE,EAAWkT,EAAW6B,YAAY3B,EAAUltB,GAC5C9G,KAAKwmB,QAAQvL,MAAM+Y,EAAS5W,MAAO4W,EAAS1W,MAAO,KAAM,KAAMsD,EAAUrF,EAAYC,EAAoB1U,I,EAG3G4K,QAAA,a,KAGaoiB,O,gBC9Yf,SAASqC,EAAsBC,GAErB,IAAIC,EAAmB,GAGvB,SAASC,EAAoBC,GAG3B,GAAGF,EAAiBE,GAClB,OAAOF,EAAiBE,GAAU32B,QAGpC,IAAIC,EAASw2B,EAAiBE,GAAY,CACxC7uB,EAAG6uB,EACHrS,GAAG,EACHtkB,QAAS,IAUX,OANAw2B,EAAQG,GAAU71B,KAAKb,EAAOD,QAASC,EAAQA,EAAOD,QAAS02B,GAG/Dz2B,EAAOqkB,GAAI,EAGJrkB,EAAOD,QAIhB02B,EAAoBE,EAAIJ,EAGxBE,EAAoBvsB,EAAIssB,EAGxBC,EAAoB5uB,EAAI,SAAStH,GAAS,OAAOA,GAGjDk2B,EAAoB7nB,EAAI,SAAS7O,EAASmN,EAAM5M,GAC1Cm2B,EAAoBG,EAAE72B,EAASmN,IACjCxM,OAAOm2B,eAAe92B,EAASmN,EAAM,CACnC4pB,cAAc,EACd12B,YAAY,EACZC,IAAKC,KAMXm2B,EAAoBM,EAAI,SAASh3B,GAC/BW,OAAOm2B,eAAe92B,EAAS,aAAc,CAAEQ,OAAO,KAIxDk2B,EAAoBO,EAAI,SAASh3B,GAC/B,IAAIM,EAASN,GAAUA,EAAOi3B,WAC5B,WAAwB,OAAOj3B,EAAgB,SAC/C,WAA8B,OAAOA,GAEvC,OADAy2B,EAAoB7nB,EAAEtO,EAAQ,IAAKA,GAC5BA,GAITm2B,EAAoBG,EAAI,SAAS91B,EAAQC,GAAY,OAAOL,OAAOC,UAAUC,eAAeC,KAAKC,EAAQC,IAGzG01B,EAAoBS,EAAI,IAGxBT,EAAoBU,GAAK,SAASpkB,GAA2B,MAApB/Q,QAAQT,MAAMwR,GAAYA,GAE3E,IAAIqkB,EAAIX,EAAoBA,EAAoBY,EAAIC,cACpD,OAAOF,EAAEG,SAAWH,EAGtB,IACII,EAAmB,6DAGvB,SAASC,EAAaC,GACpB,OAAQA,EAAM,IAAIztB,QAAQ,uBAAwB,QAOpD,SAAS0tB,EAAuBC,EAAS53B,EAAQ63B,GAC/C,IAAIC,EAAS,GACbA,EAAOD,GAAa,GAEpB,IAAIE,EAAW/3B,EAAOsxB,WAClB0G,EAAmBD,EAASld,MAAM,0CACtC,IAAKmd,EAAkB,OAAOF,EAM9B,IALA,IAIIjd,EAJAod,EAAqBD,EAAiB,GAGtCE,EAAK,IAAIC,OAAO,cAAgBV,EAAYQ,GAAsBT,EAAkB,KAEhF3c,EAAQqd,EAAGjsB,KAAK8rB,IACL,kBAAbld,EAAM,IACVid,EAAOD,GAAWrvB,KAAKqS,EAAM,IAK/B,IADAqd,EAAK,IAAIC,OAAO,MAAQV,EAAYQ,GAAsB,wDAA4DT,EAAkB,KAChI3c,EAAQqd,EAAGjsB,KAAK8rB,IACjBH,EAAQ/c,EAAM,MACjBid,EAAOD,GAAWrvB,KAAKqS,EAAM,IAC7B+c,EAAQ/c,EAAM,IAAM4b,EAAoB5b,EAAM,IAAI8b,GAEpDmB,EAAOjd,EAAM,IAAMid,EAAOjd,EAAM,KAAO,GACvCid,EAAOjd,EAAM,IAAIrS,KAAKqS,EAAM,IAK9B,IADA,IAjCiBmc,EAiCbpZ,EAAOld,OAAOkd,KAAKka,GACdjwB,EAAI,EAAGA,EAAI+V,EAAKzW,OAAQU,IAC/B,IAAK,IAAI4X,EAAI,EAAGA,EAAIqY,EAAOla,EAAK/V,IAAIV,OAAQsY,IAnC7BuX,EAoCCc,EAAOla,EAAK/V,IAAI4X,GAnC1B2Q,MAAM,EAAI4G,KAoCZc,EAAOla,EAAK/V,IAAI4X,GAAK,EAAIqY,EAAOla,EAAK/V,IAAI4X,IAK/C,OAAOqY,EAGT,SAASM,EAAmBC,GAE1B,OADW33B,OAAOkd,KAAKya,GACXpZ,QAAO,SAAUqZ,EAAW93B,GACtC,OAAO83B,GAAaD,EAAO73B,GAAK2G,OAAS,KACxC,GAqCLnH,EAAOD,QAAU,SAAU22B,EAAU6B,GACnCA,EAAUA,GAAW,GACrB,IAAIX,EAAU,CACZY,KAAM,KAGJC,EAAkBF,EAAQG,IAAM,CAAEF,KAAM93B,OAAOkd,KAAKga,EAAQY,OAxClE,SAA6BZ,EAASlB,GAWpC,IAVA,IAAIiC,EAAe,CACjBH,KAAM,CAAC9B,IAEL+B,EAAkB,CACpBD,KAAM,IAEJI,EAAc,CAChBJ,KAAM,IAGDJ,EAAkBO,IAEvB,IADA,IAAIN,EAAS33B,OAAOkd,KAAK+a,GAChB9wB,EAAI,EAAGA,EAAIwwB,EAAOlxB,OAAQU,IAAK,CACtC,IAAIgwB,EAAYQ,EAAOxwB,GAEnBgxB,EADQF,EAAad,GACCiB,MAE1B,GADAF,EAAYf,GAAae,EAAYf,IAAc,IAC/Ce,EAAYf,GAAWgB,IAAmBjB,EAAQC,GAAWgB,GAAjE,CACAD,EAAYf,GAAWgB,IAAiB,EACxCJ,EAAgBZ,GAAaY,EAAgBZ,IAAc,GAC3DY,EAAgBZ,GAAWrvB,KAAKqwB,GAGhC,IAFA,IAAIE,EAAapB,EAAsBC,EAASA,EAAQC,GAAWgB,GAAgBhB,GAC/EmB,EAAiBt4B,OAAOkd,KAAKmb,GACxBtZ,EAAI,EAAGA,EAAIuZ,EAAe7xB,OAAQsY,IACzCkZ,EAAaK,EAAevZ,IAAMkZ,EAAaK,EAAevZ,KAAO,GACrEkZ,EAAaK,EAAevZ,IAAMkZ,EAAaK,EAAevZ,IAAIpH,OAAO0gB,EAAWC,EAAevZ,MAKzG,OAAOgZ,EASmEQ,CAAmBrB,EAASlB,GAElGwC,EAAM,GAEVx4B,OAAOkd,KAAK6a,GAAiB/W,QAAO,SAAUiV,GAAK,MAAa,SAANA,KAAgBr0B,SAAQ,SAAUtC,GAE1F,IADA,IAAIm5B,EAAc,EACXV,EAAgBz4B,GAAQm5B,IAC7BA,IAEFV,EAAgBz4B,GAAQwI,KAAK2wB,GAC7BvB,EAAQ53B,GAAQm5B,GAAe,6FAC/BD,EAAMA,EAAM,OAASl5B,EAAS,OAASs2B,EAAqBhF,WAAWrnB,QAAQ,eAAgBmvB,KAAKC,UAAUF,IAAgB,MAAQV,EAAgBz4B,GAAQi2B,KAAI,SAAUzc,GAAM,OAAY4f,KAAKC,UAAU7f,GAAM,KAAOoe,EAAQ53B,GAAQwZ,GAAI8X,cAAc1kB,KAAK,KAAO,WAG1QssB,EAAMA,EAAM,SAAW5C,EAAqBhF,WAAWrnB,QAAQ,eAAgBmvB,KAAKC,UAAU3C,IAAa,MAAQ+B,EAAgBD,KAAKvC,KAAI,SAAUzc,GAAM,OAAY4f,KAAKC,UAAU7f,GAAM,KAAOoe,EAAQY,KAAKhf,GAAI8X,cAAc1kB,KAAK,KAAO,aAE/O,IAAI0sB,EAAO,IAAI7uB,OAAO8uB,KAAK,CAACL,GAAM,CAAEx3B,KAAM,oBAC1C,GAAI62B,EAAQiB,KAAQ,OAAOF,EAE3B,IAEIG,GAFMhvB,OAAOivB,KAAOjvB,OAAOkvB,WAAalvB,OAAOmvB,QAAUnvB,OAAOovB,OAEhDC,gBAAgBR,GAChCS,EAAS,IAAItvB,OAAOuvB,OAAOP,GAG/B,OAFAM,EAAOE,UAAYR,EAEZM,I,6BCxMT,yCA0EeG,UA/DK,SAAUxvB,GAE5B,IAAIsH,EAAW,IAAI4R,eACnB5R,EAASkB,QAAU,SAAkBmQ,GAAgB,2BAANpc,EAAM,iCAANA,EAAM,kBACnD+K,EAASwS,KAAT,MAAAxS,EAAQ,CAAMqR,EAAOA,GAAb,OAAuBpc,KAGjC+K,EAASiT,IAAM,SAAc5B,GAAgB,2BAANpc,EAAM,iCAANA,EAAM,kBAC3C+K,EAAS8S,eAAT,MAAA9S,EAAQ,CAAgBqR,GAAhB,OAA0Bpc,KAGpC,IAAIkzB,EAAiB,SAAUC,EAAInzB,GACjCyD,EAAK2vB,YAAY,CAAEhX,MAAO+W,EAAInzB,KAAMA,KAGtCyD,EAAK4vB,iBAAiB,WAAW,SAAUF,GACzC,IAAInzB,EAAOmzB,EAAGnzB,KAEd,OAAQA,EAAKszB,KACb,IAAK,OACH,IAAMtoB,EAASmnB,KAAKoB,MAAMvzB,EAAKgL,QAC/BvH,EAAK2oB,QAAU,IAAID,IAAcphB,EAAU/K,EAAKuT,cAAevI,EAAQhL,EAAKwT,QAE5EtY,YAAW8P,EAAO9Q,OAGlBg5B,EAAe,OAAQ,MACvB,MACF,IAAK,QACHzvB,EAAK2oB,QAAQ7qB,KAAKvB,EAAKA,KAAMA,EAAK6jB,YAAa7jB,EAAKkT,YAAalT,EAAKye,WAAYze,EAAK2f,WAAY3f,EAAKwU,WAAYxU,EAAKqsB,cAAersB,EAAKssB,YAAatsB,EAAKyU,WAAYzU,EAAK0Q,SAAU1Q,EAAK0U,mBAAoB1U,EAAKusB,oBAQ5NxhB,EAAS+S,GAAG5R,IAAMnO,eAAgBm1B,GAClCnoB,EAAS+S,GAAG5R,IAAMlO,0BAA2Bk1B,GAC7CnoB,EAAS+S,GAAG5R,IAAM9N,YAAa80B,GAC/BnoB,EAAS+S,GAAG5R,IAAMzN,MAAOy0B,GACzBnoB,EAAS+S,GAAG5R,IAAMhO,sBAAuBg1B,GACzCnoB,EAAS+S,GAAG5R,IAAMjO,sBAAuBi1B,GACzCnoB,EAAS+S,GAAG5R,IAAMxO,eAAgBw1B,GAGlCnoB,EAAS+S,GAAG5R,IAAM/N,mBAAmB,SAAUg1B,EAAInzB,GACjD,IAAIwzB,EAAe,GACfxnB,EAAU,CAAEoQ,MAAO+W,EAAInzB,KAAMA,GAC7BA,EAAK4Z,QACP5N,EAAQ4N,MAAQ5Z,EAAK4Z,MAAMzX,OAC3BqxB,EAAajyB,KAAKvB,EAAK4Z,MAAMzX,eACtBnC,EAAK4Z,OAEV5Z,EAAK6Z,QACP7N,EAAQ6N,MAAQ7Z,EAAK6Z,MAAM1X,OAC3BqxB,EAAajyB,KAAKvB,EAAK6Z,MAAM1X,eACtBnC,EAAK6Z,OAEdpW,EAAK2vB,YAAYpnB,EAASwnB,Q,gGCiClBC,EAUAC,E,mCCtGNC,EAAwB,CAC5B,iBAAmB,EACnB,sBAAwB,EACxB,qBAAuB,GA2EVC,E,WAnEb,WAAaC,GAA4B,KAJzCA,SAIyC,OAHzCC,mBAGyC,OAFzCC,uBAEyC,EACvC76B,KAAK26B,IAAMA,EACX36B,KAAK86B,QAAU96B,KAAK86B,QAAQx6B,KAAKN,MAFM,2BAAf6jB,EAAe,iCAAfA,EAAe,kBAGvC7jB,KAAK46B,cAAgB/W,EACrB7jB,KAAK66B,mBAAoB,EAEzB76B,KAAK+6B,oB,2BAGPrpB,QAAA,WACE1R,KAAKg7B,sBACLh7B,KAAKi7B,sBACLj7B,KAAKk7B,sB,EAGGF,oBAAV,a,EACUE,mBAAV,a,EAEAC,eAAA,WACE,MAAqC,iBAAvBn7B,KAAK46B,eAA8B56B,KAAK46B,cAAc5zB,QAAkC,mBAAjBhH,KAAK86B,S,EAG5FC,kBAAA,WACM/6B,KAAKm7B,kBACPn7B,KAAK46B,cAAcz4B,SAAQ,SAAU+gB,GACnC,GAAIuX,EAAsBvX,GACxB,MAAM,IAAI7X,MAAM,yBAA2B6X,GAG7CljB,KAAK26B,IAAI/V,GAAG1B,EAAOljB,KAAK86B,WACvB96B,O,EAIPi7B,oBAAA,WACMj7B,KAAKm7B,kBACPn7B,KAAK46B,cAAcz4B,SAAQ,SAAU+gB,GACnCljB,KAAK26B,IAAI7V,IAAI5B,EAAOljB,KAAK86B,WACxB96B,O,EAOP86B,QAAA,SAAS5X,EAAepc,GACtB9G,KAAKo7B,eAAelY,EAAOpc,I,EAG7Bs0B,eAAA,SAAgBlY,EAAepc,GAS7B,KARsB,SAAUoc,EAAepc,GAC7C,IAAIu0B,EAAW,KAAOnY,EAAMpZ,QAAQ,MAAO,IAC3C,GAA8B,mBAAnB9J,KAAKq7B,GACd,MAAM,IAAIhwB,MAAJ,SAAmB6X,EAAnB,mCAA2DljB,KAAKs7B,YAAYvuB,KAA5E,iBAAiGsuB,EAAjG,KAGR,OAAOr7B,KAAKq7B,GAAU/6B,KAAKN,KAAM8G,KAGjBpG,KAAKV,KAAMkjB,EAAOpc,GAAMpG,OACxC,MAAOkS,GACPtQ,IAAOlB,MAAP,mDAAgE8hB,EAAhE,qBAA0FtQ,EAAIE,QAA9F,2BAAiIF,GACjI5S,KAAK26B,IAAI5nB,QAAQC,IAAMzN,MAAO,CAAEhE,KAAMsE,IAAW01B,YAAaroB,QAASpN,IAAa01B,mBAAoBpoB,OAAO,EAAO8P,MAAOA,EAAOtQ,IAAKA,M,eDmBnI2nB,K,oBAAAA,E,cAAAA,E,yBAAAA,E,gCAAAA,M,cAUAC,K,YAAAA,E,cAAAA,E,qBAAAA,M,2LE3GAiB,ECJSC,E,WASnB,WAAaC,EAAiBC,GAAqB,KAR3CC,KAAsB,KAQqB,KAN5CC,aAM4C,OAL5CC,YAK4C,OAJ5CtP,OAAwB,KAIoB,KAH5CpsB,IAAyB,KAGmB,KAF5CuM,GAAwB,KAG7B5M,KAAK87B,QAAUH,EACf37B,KAAK+7B,OAASH,E,mDAQd,OAJK57B,KAAK67B,MAAQ77B,KAAK+7B,SACrB/7B,KAAK67B,KAAOhxB,2BAAiB7K,KAAK87B,QAAS97B,KAAK+7B,OAAQ,CAAE7wB,iBAAiB,KAGtElL,KAAK67B,U,gNDfJJ,K,cAAAA,E,eAAAA,M,SAKSO,E,mCACXC,KAAsB,K,KACtBC,WAA8B,K,KAC9BC,aAAgC,K,KAGhCC,qB,MACLX,EAAsBY,QAAQ,E,EAC9BZ,EAAsBa,QAAQ,E,QAI1BC,SAAmB,E,KAEnBC,mBAAoC,K,KACpCC,gBAAiC,K,KACjCC,MAAuB,K,KACvBC,QAA2B,G,KAS3BC,Q,OAEAr7B,U,OAEAs7B,Y,OAEAC,a,OAEAtlB,c,OAEA0K,W,OAEApK,GAA6B,E,KAE7BilB,MAAgB,E,KAEhBC,MAAgB,E,KAIhBC,c,OAGAC,Y,mCAGPC,aAAA,SAAc/8B,EAAeg9B,GAC3B,IAAMpxB,EAAS5L,EAAMmM,MAAM,IAAK,GAC1B8wB,EAAsB,GACN,IAAlBrxB,EAAOhF,OACTq2B,EAAU,GAAKD,EAAeA,EAAaE,mBAAqB,EAEhED,EAAU,GAAKrV,SAAShc,EAAO,IAEjCqxB,EAAU,GAAKrV,SAAShc,EAAO,IAAMqxB,EAAU,GAC/Cr9B,KAAKk8B,WAAamB,G,EAqFpBE,oBAAA,SAAqBh8B,GACnBvB,KAAKo8B,mBAAmB76B,IAAQ,G,EAMlCi8B,oBAAA,SAAqBj8B,GACnB,OAAyC,IAAlCvB,KAAKo8B,mBAAmB76B,I,EAQjCk8B,2BAAA,SAA4BC,GAG1B,IAFA,IAAIC,EAAY,IAAIh1B,WAAW,IAEtBjB,EAAI,GAAIA,EAAI,GAAIA,IACvBi2B,EAAUj2B,GAAMg2B,GAAiB,GAAK,GAAKh2B,GAAM,IAGnD,OAAOi2B,G,EASTC,2BAAA,SAA4BX,EAAoBS,GAC9C,IAAI/S,EAAcsS,EAQlB,OANIA,GAAYA,EAASxQ,QAAUwQ,EAASY,MAAQZ,EAASrwB,MAC3D+d,EAAc,IAAI+Q,EAASuB,EAASnB,QAASmB,EAASlB,SAC1CtP,OAASwQ,EAASxQ,OAC9B9B,EAAY/d,GAAK5M,KAAKy9B,2BAA2BC,IAG5C/S,G,kCAtHP,OAJK3qB,KAAKi8B,MAAQj8B,KAAK68B,SACrB78B,KAAKi8B,KAAOpxB,2BAAiB7K,KAAK88B,QAAS98B,KAAK68B,OAAQ,CAAE3xB,iBAAiB,KAGtElL,KAAKi8B,M,aAGL77B,GACPJ,KAAKi8B,KAAO77B,I,gCAIZ,OAAKJ,KAAKk8B,WAIHl8B,KAAKk8B,WAHH,K,2CAUT,OAAOl8B,KAAKq9B,UAAU,K,yCAItB,OAAOr9B,KAAKq9B,UAAU,K,kCAItB,IAAKr9B,KAAKi9B,WAAaj9B,KAAKm8B,aAC1B,OAAO,KAGT,IAAKn8B,KAAKm8B,cAAgBn8B,KAAKi9B,SAAU,CACvC,IAAInlB,EAAK9X,KAAK8X,GACI,iBAAPA,IAIL9X,KAAKi9B,UAAqC,YAAzBj9B,KAAKi9B,SAASxQ,SAAyBzsB,KAAKi9B,SAASrwB,IACxEtK,IAAOpB,KAAP,sDAAkElB,KAAKi9B,SAASxQ,OAAhF,wBAUF3U,EAAK,GAEP9X,KAAKm8B,aAAen8B,KAAK49B,2BAA2B59B,KAAKi9B,SAAUnlB,GAGrE,OAAO9X,KAAKm8B,e,yCAIZ,GAA6B,OAAzBn8B,KAAKy8B,gBACP,OAAO,KAGT,IAAK,YAAgBz8B,KAAKy8B,iBACxB,OAAO,KAGT,IAAIjlB,EAAY,YAAgBxX,KAAKwX,UAAgBxX,KAAKwX,SAAT,EAEjD,OAAOxX,KAAKy8B,gBAA8B,IAAXjlB,I,gCAI/B,SAAWxX,KAAK2qB,aAAwC,OAAzB3qB,KAAK2qB,YAAYkT,KAA2C,OAAzB79B,KAAK2qB,YAAYtqB,U,0MEvJlEy9B,E,WACnB,WAAaC,GAEX/9B,KAAKg+B,MAAQ,EACbh+B,KAAKi+B,MAAQ,EACbj+B,KAAKk+B,UAAY,GACjBl+B,KAAKga,YAAc,KACnBha,KAAKm+B,MAAO,EACZn+B,KAAKo+B,gBAAiB,EACtBp+B,KAAKq+B,QAAU,EACfr+B,KAAKs+B,QAAU,EACft+B,KAAKu+B,gBAAkB,KACvBv+B,KAAKw+B,eAAiB,EACtBx+B,KAAKy+B,cAAgB,EACrBz+B,KAAKuB,KAAO,KACZvB,KAAKqJ,IAAM00B,EACX/9B,KAAKg1B,QAAU,K,kEAIf,SAAUh1B,KAAKk+B,UAAU,KAAM,YAAgBl+B,KAAKk+B,UAAU,GAAGzB,uB,gCCpB/DiC,EAA2B,gBAC3BC,EAAkB,wCAuFTC,E,WAnFb,WAAaC,GAKX,IAAK,IAAIC,IAJY,iBAAVD,IACTA,EAAQD,EAASG,cAAcF,IAGhBA,EACXA,EAAMp+B,eAAeq+B,KACvB9+B,KAAK8+B,GAAQD,EAAMC,I,2BAKzBE,eAAA,SAAgBC,GACd,IAAMC,EAAWlX,SAAShoB,KAAKi/B,GAAW,IAC1C,OAAIC,EAAWl5B,OAAOm5B,iBACbjiB,IAGFgiB,G,EAGTE,mBAAA,SAAoBH,GAClB,GAAIj/B,KAAKi/B,GAAW,CAClB,IAAII,GAAer/B,KAAKi/B,IAAa,MAAMxtB,MAAM,GACjD4tB,GAAqC,EAArBA,EAAYr4B,OAAc,IAAM,IAAMq4B,EAGtD,IADA,IAAMj/B,EAAQ,IAAIuI,WAAW02B,EAAYr4B,OAAS,GACzCU,EAAI,EAAGA,EAAI23B,EAAYr4B,OAAS,EAAGU,IAC1CtH,EAAMsH,GAAKsgB,SAASqX,EAAY5tB,MAAU,EAAJ/J,EAAW,EAAJA,EAAQ,GAAI,IAG3D,OAAOtH,EAEP,OAAO,M,EAIXk/B,2BAAA,SAA4BL,GAC1B,IAAMC,EAAWlX,SAAShoB,KAAKi/B,GAAW,IAC1C,OAAIC,EAAWl5B,OAAOm5B,iBACbjiB,IAGFgiB,G,EAGTK,qBAAA,SAAsBN,GACpB,OAAOO,WAAWx/B,KAAKi/B,K,EAGzBQ,iBAAA,SAAkBR,GAChB,OAAOj/B,KAAKi/B,I,EAGdS,kBAAA,SAAmBT,GACjB,IAAMU,EAAMjB,EAAyB5yB,KAAK9L,KAAKi/B,IAC/C,GAAY,OAARU,EAIJ,MAAO,CACL/mB,MAAOoP,SAAS2X,EAAI,GAAI,IACxB9mB,OAAQmP,SAAS2X,EAAI,GAAI,M,EAItBZ,cAAP,SAAsBa,GACpB,IAAIllB,EAAOmkB,EAAQ,GAEnB,IADAF,EAAgBkB,UAAY,EACqB,QAAzCnlB,EAAQikB,EAAgB7yB,KAAK8zB,KAAkB,CACrD,IAAIx/B,EAAQsa,EAAM,GAEW,IAAzBta,EAAMwJ,QAFoB,MAG1BxJ,EAAMiM,YAHoB,OAGIjM,EAAM4G,OAAS,IAC/C5G,EAAQA,EAAMqR,MAAM,GAAI,IAG1BotB,EAAMnkB,EAAM,IAAMta,EAEpB,OAAOy+B,G,KCnFLiB,EAAsB,CAC1B1iB,MAAO,CACL,MAAQ,EACR,QAAQ,EACR,QAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,QAAQ,EACR,QAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,QAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,QAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,GAEVE,MAAO,CACL,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,MAAQ,EACR,QAAQ,EACR,MAAQ,EACR,MAAQ,IAWZ,SAASyiB,EAAuBvsB,EAAejS,GAC7C,OAAOy+B,YAAYC,iBAAmB1+B,GAAQ,SAAvC,gBAA8DiS,EAA9D,KCvDT,IAAM0sB,EAAwB,iDACxBC,EAA8B,qBAE9BC,EAA4B,IAAIpI,OAAO,CAC3C,0CAA0CqI,OAC1C,mBAAmBA,OACnB,0BAA0BA,OAC1B,iCAAiCA,OACjC,OAAOA,QACP5zB,KAAK,IAAK,KAEN6zB,EAA4B,iWAE5BC,EAAmB,wBAEJC,E,kCACZC,UAAP,SAAkBC,EAA2BC,GAC3C,IAAK,IAAIj5B,EAAI,EAAGA,EAAIg5B,EAAO15B,OAAQU,IAAK,CACtC,IAAMk5B,EAAQF,EAAOh5B,GACrB,GAAIk5B,EAAMvnB,KAAOsnB,EACf,OAAOC,I,EAKNC,oBAAP,SAA4BrtB,GAC1B,IACIlN,EADAw6B,EAAUttB,EAAMjH,MAAM,KAS1B,OAPIu0B,EAAQ95B,OAAS,GACnBV,EAASw6B,EAAQrO,QAAU,IAC3BnsB,GAAU0hB,SAAS8Y,EAAQrO,SAAStB,SAAS,IAC7C7qB,IAAW,MAAQ0hB,SAAS8Y,EAAQrO,SAAStB,SAAS,KAAK4P,QAAQ,IAEnEz6B,EAASkN,EAEJlN,G,EAGF06B,QAAP,SAAgB33B,EAAK00B,GACnB,OAAOnzB,mBAA4BmzB,EAAS10B,EAAK,CAAE6B,iBAAiB,K,EAG/D+1B,oBAAP,SAA4BC,EAAgBpE,GAE1C,IAqBIx2B,EArBA66B,EAAqB,GAIzB,SAASC,EAAWC,EAAuBrE,GACzC,CAAC,QAAS,SAAS76B,SAAQ,SAACZ,GAC1B,IAAM+/B,EAAWD,EAAO9f,QAAO,SAAC/N,GAAD,ODDvC,SAAsBA,EAAejS,GACnC,IAAMggC,EAAYzB,EAAoBv+B,GACtC,QAASggC,IAA8C,IAAjCA,EAAU/tB,EAAM/B,MAAM,EAAG,ICDC+vB,CAAYhuB,EAAOjS,MAC7D,GAAI+/B,EAASt6B,OAAQ,CACnB,IAAMy6B,EAAYH,EAAS/f,QAAO,SAAC/N,GACjC,OAAwC,IAAjCA,EAAMnH,YAAY,OAAQ,IAA6C,IAAjCmH,EAAMnH,YAAY,OAAQ,MAEzE2wB,EAASz7B,EAAJ,SAAmBkgC,EAAUz6B,OAAS,EAAIy6B,EAAU,GAAKH,EAAS,GAGvED,EAASA,EAAO9f,QAAO,SAAC/N,GAAD,OAAwC,IAA7B8tB,EAAS13B,QAAQ4J,UAIvDwpB,EAAM0E,cAAgBL,EAIxB,IArBAnB,EAAsBL,UAAY,EAqBsB,OAAhDv5B,EAAS45B,EAAsBp0B,KAAKo1B,KAAkB,CAE5D,IAAMlE,EAAa,GAEb6B,EAAQ7B,EAAM6B,MAAQ,IAAID,EAASt4B,EAAO,IAChD02B,EAAM3zB,IAAMm3B,EAAWQ,QAAQ16B,EAAO,GAAIw2B,GAE1C,IAAM6E,EAAa9C,EAAMa,kBAAkB,cACvCiC,IACF3E,EAAMpkB,MAAQ+oB,EAAW/oB,MACzBokB,EAAMnkB,OAAS8oB,EAAW9oB,QAE5BmkB,EAAM4E,QAAU/C,EAAMG,eAAe,sBAAwBH,EAAMG,eAAe,aAClFhC,EAAMjwB,KAAO8xB,EAAMgD,KAEnBT,EAAU,GAAGlpB,QAAQ2mB,EAAMiD,QAAU,IAAIv1B,MAAM,UAAWywB,GAEtDA,EAAMvW,aAAoD,IAAtCuW,EAAMvW,WAAW7c,QAAQ,UAC/CozB,EAAMvW,WAAa+Z,EAAWK,oBAAoB7D,EAAMvW,aAG1D0a,EAAO94B,KAAK20B,GAEd,OAAOmE,G,EAGFY,yBAAP,SAAiCb,EAAgBpE,EAAiBv7B,EAAyBygC,GACzF,IAAI17B,OADgJ,IAA3D07B,MAAiC,IAE1H,IAAIC,EAA+B,GAC/B5oB,EAAK,EAET,IADA8mB,EAA4BN,UAAY,EACuB,QAAvDv5B,EAAS65B,EAA4Br0B,KAAKo1B,KAAmB,CACnE,IAAMrC,EAAQ,IAAID,EAASt4B,EAAO,IAClC,GAAIu4B,EAAMqD,OAAS3gC,EAAM,CACvB,IAAM4gC,EAAuB,CAC3B9oB,GAAIA,IACJ+oB,QAASvD,EAAM,YACf9xB,KAAM8xB,EAAMgD,MAAQhD,EAAMwD,SAC1B9gC,OACA61B,QAA4B,QAAlByH,EAAMyD,QAChBC,WAAkC,QAArB1D,EAAM2D,WACnBC,OAA0B,QAAjB5D,EAAM6D,OACfC,KAAM9D,EAAMwD,UAOd,GAJIxD,EAAM+D,MACRT,EAAM94B,IAAMm3B,EAAWQ,QAAQnC,EAAM+D,IAAK9F,IAGxCkF,EAAYh7B,OAAQ,CAEtB,IAAM67B,EAAarC,EAAWC,UAAUuB,EAAaG,EAAMC,SAI3DD,EAAM5c,WAAasd,EAAaA,EAAWrvB,MAAQwuB,EAAY,GAAGxuB,MAGpEyuB,EAAO55B,KAAK85B,IAGhB,OAAOF,G,EAGFa,mBAAP,SAA2B5B,EAAgBpE,EAAiBzjB,EAAY9X,EAAyBwhC,GAC/F,IAMIz8B,EACAoB,EACAu1B,EARA+F,EAAY,EACZvE,EAAgB,EAChBzB,EAAQ,IAAIc,EAAMhB,GAClBmG,EAAuB,EACvBC,EAA4B,KAC5B3T,EAAwB,IAAIyM,EAK5BmH,EAAgB,KAIpB,IAFA/C,EAA0BP,UAAY,EAEuB,QAArDv5B,EAAS85B,EAA0Bt0B,KAAKo1B,KAAmB,CACjE,IAAM1pB,EAAWlR,EAAO,GACxB,GAAIkR,EAAU,CACZ+X,EAAK/X,SAAWgoB,WAAWhoB,GAE3B,IAAMklB,GAAS,IAAMp2B,EAAO,IAAImL,MAAM,GACtC8d,EAAKmN,MAAQA,GAAS,KACtBnN,EAAKoN,QAAQt0B,KAAKq0B,EAAQ,CAAE,MAAOllB,EAAUklB,GAAU,CAAE,MAAOllB,SAC3D,GAAIlR,EAAO,IAChB,GAAI,YAAgBipB,EAAK/X,UAAW,CAClC,IAAMM,EAAKkrB,IACXzT,EAAKhuB,KAAOA,EACZguB,EAAKrN,MAAQuc,EACTxB,IACF1N,EAAK0N,SAAWA,GAElB1N,EAAKzX,GAAKA,EACVyX,EAAKyN,MAAQ3jB,EACbkW,EAAKqN,GAAKqG,EACV1T,EAAKwN,MAAQgG,EACbxT,EAAKuN,QAAUA,EAEfvN,EAAKsN,QAAU,IAAMv2B,EAAO,IAAImL,MAAM,GACtC2xB,EAAsB7T,EAAM2T,GAE5BlG,EAAMkB,UAAU71B,KAAKknB,GACrB2T,EAAW3T,EACXkP,GAAiBlP,EAAK/X,SAEtB+X,EAAO,IAAIyM,QAER,GAAI11B,EAAO,GAAI,CACpB,IAAMQ,GAAQ,IAAMR,EAAO,IAAImL,MAAM,GACjCyxB,EACF3T,EAAK4N,aAAar2B,EAAMo8B,GAExB3T,EAAK4N,aAAar2B,QAEf,GAAIR,EAAO,GAEhBipB,EAAKiN,oBAAsB,IAAMl2B,EAAO,IAAImL,MAAM,GAClD8d,EAAKoN,QAAQt0B,KAAK,CAAC,oBAAqBknB,EAAKiN,qBACvB,OAAlB2G,IACFA,EAAgBnG,EAAMkB,UAAUl3B,YAE7B,CAEL,KADAV,EAASA,EAAO,GAAGoU,MAAM4lB,IACZ,CACXh+B,IAAOpB,KAAK,sDACZ,SAEF,IAAKwG,EAAI,EAAGA,EAAIpB,EAAOU,aACI,IAAdV,EAAOoB,GADWA,KAO/B,IAAM27B,GAAU,IAAM/8B,EAAOoB,EAAI,IAAI+J,MAAM,GACrC6xB,GAAU,IAAMh9B,EAAOoB,EAAI,IAAI+J,MAAM,GAE3C,OAAQnL,EAAOoB,IACf,IAAK,IACH6nB,EAAKoN,QAAQt0B,KAAKi7B,EAAS,CAAED,EAAQC,GAAW,CAAED,IAClD,MACF,IAAK,gBACHrG,EAAMz7B,KAAO8hC,EAAOE,cACpB,MACF,IAAK,iBACHP,EAAYhG,EAAMsB,QAAUtW,SAASqb,GACrC,MACF,IAAK,iBACHrG,EAAMwB,eAAiBgB,WAAW6D,GAClC,MACF,IAAK,UACHrG,EAAMhI,QAAUhN,SAASqb,GACzB,MACF,IAAK,SACH,MACF,IAAK,UACHrG,EAAMmB,MAAO,EACb,MACF,IAAK,MACH8E,IACA1T,EAAKoN,QAAQt0B,KAAK,CAAC,QACnB,MACF,IAAK,oBACH46B,EAAuBjb,SAASqb,GAChC,MACF,IAAK,MAEH,IACMG,EAAW,IAAI5E,EADCyE,GAEhBI,EAAgBD,EAAS/D,iBAAiB,UAC1CiE,EAAaF,EAASZ,IACtBe,EAAYH,EAASpE,mBAAmB,MAE1CqE,IACFxG,EAAW,IAAIvB,EAASoB,EAAS4G,GAC5BA,GAAgB,CAAC,UAAW,aAAc,mBAAmB95B,QAAQ65B,IAAkB,IAC1FxG,EAASxQ,OAASgX,EAClBxG,EAAS58B,IAAM,KAEf48B,EAASrwB,GAAK+2B,IAGlB,MAEF,IAAK,QACH,IACMpF,EADa,IAAIK,EAASyE,GACG9D,qBAAqB,eAEpD,YAAgBhB,KAClBvB,EAAMuB,gBAAkBA,GAE1B,MAEF,IAAK,MACH,IAAMqF,EAAW,IAAIhF,EAASyE,GAC9B9T,EAAKsN,OAAS+G,EAAShB,IACnBgB,EAASC,WACXtU,EAAK4N,aAAayG,EAASC,WAE7BtU,EAAKuN,QAAUA,EACfvN,EAAKyN,MAAQ3jB,EACbkW,EAAKhuB,KAAOA,EACZguB,EAAKzX,GAAK,cACVklB,EAAMhjB,YAAcuV,GACpBA,EAAO,IAAIyM,GACNQ,mBAAqBQ,EAAMhjB,YAAYwiB,mBAC5C,MAEF,QACEl6B,IAAOpB,KAAP,gCAA4CoF,KAiDlD,OA5CAipB,EAAO2T,KAEM3T,EAAKsN,SAChBG,EAAMkB,UAAUvF,MAChB8F,GAAiBlP,EAAK/X,UAExBwlB,EAAMyB,cAAgBA,EACtBzB,EAAM8G,sBAAwBrF,EAAgBzB,EAAMkB,UAAUl3B,OAC9Dg2B,EAAMiB,MAAQ+E,EAAY,EAC1BhG,EAAMqB,QAAUrB,EAAMkB,UAAU,GAAKlB,EAAMkB,UAAU,GAAGtB,GAAK,EAC7DI,EAAMgB,MAAQiF,GAETjG,EAAMhjB,aAAegjB,EAAMkB,UAAUl3B,QAIpCg2B,EAAMkB,UAAU6F,OAAM,SAACxU,GAAD,OAAUgR,EAAiB1a,KAAK0J,EAAKsN,aAC7Dv6B,IAAOpB,KAAK,qGAEZquB,EAAO,IAAIyM,GACNa,OAASG,EAAMkB,UAAU,GAAGrB,OACjCtN,EAAKuN,QAAUA,EACfvN,EAAKyN,MAAQ3jB,EACbkW,EAAKhuB,KAAOA,EACZguB,EAAKzX,GAAK,cAEVklB,EAAMhjB,YAAcuV,EACpByN,EAAMoB,gBAAiB,GAavB+E,GAQR,SAAmCjF,EAAW8F,GAE5C,IADA,IAAIC,EAAW/F,EAAU8F,GAChBt8B,EAAIs8B,EAAa,EAAGt8B,GAAK,EAAGA,IAAK,CACxC,IAAM6nB,EAAO2O,EAAUx2B,GACvB6nB,EAAKkN,gBAAkBwH,EAASxH,gBAAmC,IAAhBlN,EAAK/X,SACxDysB,EAAW1U,GAZT2U,CAAyBlH,EAAMkB,UAAWiF,GAGrCnG,G,KAaX,SAASoG,EAAuB7T,EAAM2T,GAChC3T,EAAKiN,mBACPjN,EAAKkN,gBAAkBzJ,KAAKqH,MAAM9K,EAAKiN,oBAC9B0G,GAAYA,EAASzG,kBAC9BlN,EAAKkN,gBAAkByG,EAASiB,oBAG7B,YAAgB5U,EAAKkN,mBACxBlN,EAAKkN,gBAAkB,KACvBlN,EAAKiN,mBAAqB,M,IC3VtBzJ,EAAgBzoB,OAAhByoB,YA6fOqR,E,oBAjfb,WAAazJ,GAAK,aAChB,cAAMA,EACJ3nB,IAAM5P,iBACN4P,IAAMvP,cACNuP,IAAM/O,oBACN+O,IAAM3O,yBAJR,MAPMggC,QAA+E,GAMrE,E,yFAYXC,qBAAP,SAA6B/iC,GAC3B,OAAQA,IAASg5B,EAAoBgK,aACnChjC,IAASg5B,EAAoBiK,gB,EAQ1BC,sBAAP,SAA8B3hB,GAG5B,OAFiBA,EAATvhB,MAGR,KAAKg5B,EAAoBgK,YACvB,OAAO/J,EAAkB6B,MAC3B,KAAK9B,EAAoBiK,eACvB,OAAOhK,EAAkBkK,SAC3B,QACE,OAAOlK,EAAkBmK,O,EAItBC,eAAP,SAAuBC,EAA0B/hB,GAC/C,IAAIzZ,EAAMw7B,EAASx7B,IAOnB,YAJYsI,IAARtI,GAA8C,IAAzBA,EAAIO,QAAQ,WAEnCP,EAAMyZ,EAAQzZ,KAETA,G,2BASTy7B,qBAAA,SAAsBhiB,GACpB,IAAMhR,EAAS9R,KAAK26B,IAAI7oB,OAClBizB,EAAUjzB,EAAOkzB,QACjBC,EAASnzB,EAAOorB,OAIhBA,EAAS,IAFQ6H,GAAWE,GAEAnzB,GAMlC,OAHAgR,EAAQoa,OAASA,EACjBl9B,KAAKqkC,QAAQvhB,EAAQvhB,MAAQ27B,EAEtBA,G,EAGTgI,kBAAA,SAAmBpiB,GACjB,OAAO9iB,KAAKqkC,QAAQvhB,EAAQvhB,O,EAG9B4jC,oBAAA,SAAqBC,GACfplC,KAAKqkC,QAAQe,WACRplC,KAAKqkC,QAAQe,I,EAOxBC,uBAAA,WACE,IAAK,IAAID,KAAeplC,KAAKqkC,QAAS,CACpC,IAAInH,EAASl9B,KAAKqkC,QAAQe,GACtBlI,GACFA,EAAOxrB,UAGT1R,KAAKmlC,oBAAoBC,K,EAI7B1zB,QAAA,WACE1R,KAAKqlC,yBAEL,YAAM3zB,QAAN,Y,EAGF4zB,kBAAA,SAAmBx+B,GACjB9G,KAAKulC,KAAK,CACRl8B,IAAKvC,EAAKuC,IACV9H,KAAMg5B,EAAoBiL,SAC1BxI,MAAO,EACP3jB,GAAI,KACJosB,aAAc,U,EAIlBC,eAAA,SAAgB5+B,GACd9G,KAAKulC,KAAK,CACRl8B,IAAKvC,EAAKuC,IACV9H,KAAMg5B,EAAoBoL,MAC1B3I,MAAOl2B,EAAKk2B,MACZ3jB,GAAIvS,EAAKuS,GACTosB,aAAc,U,EAIlBG,oBAAA,SAAqB9+B,GACnB9G,KAAKulC,KAAK,CACRl8B,IAAKvC,EAAKuC,IACV9H,KAAMg5B,EAAoBgK,YAC1BvH,MAAO,KACP3jB,GAAIvS,EAAKuS,GACTosB,aAAc,U,EAIlBI,uBAAA,SAAwB/+B,GACtB9G,KAAKulC,KAAK,CACRl8B,IAAKvC,EAAKuC,IACV9H,KAAMg5B,EAAoBiK,eAC1BxH,MAAO,KACP3jB,GAAIvS,EAAKuS,GACTosB,aAAc,U,EAIlBF,KAAA,SAAMziB,GACJ,IAAMhR,EAAS9R,KAAK26B,IAAI7oB,OAExBxP,IAAOtB,MAAP,4BAAyC8hB,EAAQvhB,KAAjD,YAAiEuhB,EAAQka,MAAzE,SAAuFla,EAAQzJ,IAG/F,IAYIysB,EACAC,EACAC,EACAC,EAfA/I,EAASl9B,KAAKklC,kBAAkBpiB,GACpC,GAAIoa,EAAQ,CACV,IAAMgJ,EAAgBhJ,EAAOpa,QAC7B,GAAIojB,GAAiBA,EAAc78B,MAAQyZ,EAAQzZ,IAEjD,OADA/G,IAAOvB,MAAM,6BACN,EAEPuB,IAAOpB,KAAP,sCAAkD4hB,EAAQvhB,MAC1D27B,EAAOiJ,QAWX,OAAQrjB,EAAQvhB,MAChB,KAAKg5B,EAAoBiL,SACvBM,EAAWh0B,EAAOs0B,wBAClBL,EAAUj0B,EAAOu0B,uBACjBL,EAAal0B,EAAOw0B,0BACpBL,EAAgBn0B,EAAOy0B,+BACvB,MACF,KAAKhM,EAAoBoL,MAEvBG,EAAW,EACXG,EAAgB,EAChBD,EAAa,EACbD,EAAUj0B,EAAO00B,oBAEjB,MACF,QACEV,EAAWh0B,EAAO20B,qBAClBV,EAAUj0B,EAAO00B,oBACjBR,EAAal0B,EAAO40B,uBACpBT,EAAgBn0B,EAAO60B,4BAIzBzJ,EAASl9B,KAAK8kC,qBAAqBhiB,GAEnC,IAAM8jB,EAAoC,CACxCb,UACAD,WACAE,aACAC,iBAGIY,EAA0D,CAC9DC,UAAW9mC,KAAK+mC,YAAYzmC,KAAKN,MACjCgnC,QAAShnC,KAAKinC,UAAU3mC,KAAKN,MAC7BknC,UAAWlnC,KAAKmnC,YAAY7mC,KAAKN,OAMnC,OAHAsC,IAAOtB,MAAP,6CAA0D8hB,EAAQzZ,KAClE6zB,EAAOqI,KAAKziB,EAAS8jB,EAAcC,IAE5B,G,EAGTE,YAAA,SAAalC,EAA0BrR,EAAoB1Q,EAAgCskB,GACzF,QADyH,IAAhCA,MAA0B,MAC/GtkB,EAAQukB,cAGV,OAFArnC,KAAKsnC,mBAAmBzC,EAAU/hB,QAClC9iB,KAAKunC,sBAAsB1C,EAAUrR,EAAO1Q,EAASskB,GAKvD,GADApnC,KAAKmlC,oBAAoBriB,EAAQvhB,MACJ,iBAAlBsjC,EAAS/9B,KAClB,MAAM,IAAIuE,MAAM,sDAGlB,IAAM61B,EAAS2D,EAAS/9B,KAExB0sB,EAAMgU,MAAQzU,EAAYzM,MAIQ,IAA9B4a,EAAOt3B,QAAQ,WAMfs3B,EAAOt3B,QAAQ,YAAc,GAAKs3B,EAAOt3B,QAAQ,0BAA4B,EAC/E5J,KAAKynC,4BAA4B5C,EAAUrR,EAAO1Q,EAASskB,GAE3DpnC,KAAK0nC,sBAAsB7C,EAAUrR,EAAO1Q,EAASskB,GARrDpnC,KAAK2nC,4BAA4B9C,EAAU/hB,EAAS,sBAAuBskB,I,EAY/EH,UAAA,SAAWpC,EAA0B/hB,EAAgCskB,QAAuB,IAAvBA,MAAiB,MACpFpnC,KAAK4nC,oBAAoB9kB,EAASskB,GAAgB,EAAOvC,I,EAG3DsC,YAAA,SAAa3T,EAAoB1Q,EAAgCskB,QAAuB,IAAvBA,MAAiB,MAChFpnC,KAAK4nC,oBAAoB9kB,EAASskB,GAAgB,I,EAKpDM,sBAAA,SAAuB7C,EAA0BrR,EAAoB1Q,EAAgCskB,GACnG,IAAMzM,EAAM36B,KAAK26B,IACXuG,EAAS2D,EAAS/9B,KAElBuC,EAAM+6B,EAAeQ,eAAeC,EAAU/hB,GAC9Cqe,EAASX,EAAWS,oBAAoBC,EAAQ73B,GACtD,GAAK83B,EAAOn6B,OAAZ,CAMA,IAAMg7B,EAAiCb,EAAOrL,KAAI,SAAAkH,GAAK,MAAK,CAC1D3jB,GAAI2jB,EAAM6B,MAAMxC,MAChB7oB,MAAOwpB,EAAMzX,eAGTsiB,EAAcrH,EAAWuB,yBAAyBb,EAAQ73B,EAAK,QAAS24B,GACxE8F,EAAYtH,EAAWuB,yBAAyBb,EAAQ73B,EAAK,aAEnE,GAAIw+B,EAAY7gC,OAAQ,CAEtB,IAAI+gC,GAAqB,EACzBF,EAAY1lC,SAAQ,SAAA+Y,GACbA,EAAW7R,MACd0+B,GAAqB,OAQE,IAAvBA,GAAgC5G,EAAO,GAAG5b,aAAe4b,EAAO,GAAGtC,MAAMxC,QAC3E/5B,IAAOrB,IAAI,2FACX4mC,EAAYG,QAAQ,CAClBzmC,KAAM,OACNwL,KAAM,OACNqqB,SAAS,EACTmL,YAAY,EACZE,QAAQ,EACRppB,IAAK,KAKXshB,EAAI5nB,QAAQC,IAAM3P,gBAAiB,CACjC89B,SACA0G,cACAC,YACAz+B,MACAmqB,QACA4T,wBA7CApnC,KAAK2nC,4BAA4B9C,EAAU/hB,EAAS,6BAA8BskB,I,EAiDtFK,4BAAA,SAA6B5C,EAA0BrR,EAAoB1Q,EAAgCskB,GACzG,IAAMzM,EAAM36B,KAAK26B,IAETthB,EAAoByJ,EAApBzJ,GAAI2jB,EAAgBla,EAAhBka,MAAOz7B,EAASuhB,EAATvhB,KAEb8H,EAAM+6B,EAAeQ,eAAeC,EAAU/hB,GAG9CigB,EAAa,YAAgB1pB,GAAgBA,EAAe,EAC5D4uB,EAAU,YAAgBjL,GAAmBA,EAAkB+F,EAE/DmF,EAAY9D,EAAeK,sBAAsB3hB,GACjDqlB,EAAe3H,EAAWsC,mBAAmB+B,EAAS/9B,KAAgBuC,EAAK4+B,EAASC,EAAWnF,GAUrG,GANCoF,EAAqBX,MAAQhU,EAAMgU,MAMhCjmC,IAASg5B,EAAoBiL,SAAU,CACzC,IAAM4C,EAAc,CAClB/+B,MACA6J,QAASi1B,GAGXxN,EAAI5nB,QAAQC,IAAM3P,gBAAiB,CACjC89B,OAAQ,CAACiH,GACTP,YAAa,GACbx+B,MACAmqB,QACA4T,mBAUJ,GALA5T,EAAM6U,QAAUtV,EAAYzM,MAKxB6hB,EAAa/J,eAAjB,CACE,IAAMkK,EAAUH,EAAanuB,YAAY3Q,IACzCrJ,KAAKulC,KAAK,CACRl8B,IAAKi/B,EACLjB,eAAe,EACf9lC,OACAy7B,QACAmL,eACA9uB,KACAkvB,WAAY,EACZC,SAAU,KACV/C,aAAc,qBAMlB3iB,EAAQqlB,aAAeA,EAEvBnoC,KAAKunC,sBAAsB1C,EAAUrR,EAAO1Q,EAASskB,I,EAGvDE,mBAAA,SAAoBzC,EAA0B/hB,GAC5C,GAA6B,iBAAlB+hB,EAAS/9B,KAClB,MAAM,IAAIuE,MAAM,+DAGlB,IAAMo9B,EAAW3U,IAAWc,kBAAkB,IAAIjsB,WAAWk8B,EAAS/9B,OAEtE,GAAK2hC,EAAL,CAGA,IAAMC,EAAiBD,EAAS5T,WAC1BsT,EAAerlB,EAAQqlB,aAC7BO,EAAevmC,SAAQ,SAACwmC,EAAYz/B,GAClC,IAAM0/B,EAAaD,EAAWxnC,KAC9B,GAAKgnC,EAAL,CAGA,IAAM5Y,EAAO4Y,EAAajK,UAAUh1B,GACN,IAA1BqmB,EAAK8N,UAAUr2B,QACjBuoB,EAAK4N,aAAap1B,OAAO,EAAI6gC,EAAW1gC,IAAM0gC,EAAW1mB,OAAS,IAAMna,OAAO6gC,EAAW1mB,YAI1FimB,GACFA,EAAanuB,YAAYmjB,aAAap1B,OAAO0gC,EAAS3T,eAAiB,Q,EAI3E6S,4BAAA,SAA6B9C,EAA0B/hB,EAAgCzP,EAAgB+zB,GACrGpnC,KAAK26B,IAAI5nB,QAAQC,IAAMzN,MAAO,CAC5BhE,KAAMsE,IAAWgjC,cACjB31B,QAASpN,IAAagjC,uBACtB11B,OAAO,EACP/J,IAAKw7B,EAASx7B,IACdgK,SACA+zB,oB,EAIJQ,oBAAA,SAAqB9kB,EAAgCskB,EAAyBrB,EAA0BlB,GAGtG,IAAI3xB,EACAE,OAJ0I,IAAlE2yB,OAAmB,QAA+C,IAAxClB,MAAkC,MACxIviC,IAAOnB,KAAP,2CAAuD2hB,EAAQvhB,KAA/D,kBAKA,IAAM27B,EAASl9B,KAAKklC,kBAAkBpiB,GAEtC,OAAQA,EAAQvhB,MAChB,KAAKg5B,EAAoBiL,SACvBtyB,EAAW6yB,EAAUjgC,IAAaijC,sBAAwBjjC,IAAakjC,oBACvE51B,GAAQ,EACR,MACF,KAAKmnB,EAAoBoL,MACvBzyB,EAAW6yB,EAAUjgC,IAAamjC,mBAAqBnjC,IAAaojC,iBACpE91B,GAAQ,EACR,MACF,KAAKmnB,EAAoBgK,YACvBrxB,EAAW6yB,EAAUjgC,IAAaqjC,yBAA2BrjC,IAAasjC,uBAC1Eh2B,GAAQ,EACR,MACF,QAEEA,GAAQ,EAGN8pB,IACFA,EAAOiJ,QACPnmC,KAAKmlC,oBAAoBriB,EAAQvhB,OAInC,IAAI8nC,EAAiB,CACnB9nC,KAAMsE,IAAWgjC,cACjB31B,UACAE,QACA/J,IAAKyZ,EAAQzZ,IACb6zB,SACApa,UACAskB,kBAGEvC,IACFwE,EAAUxE,SAAWA,GAGvB7kC,KAAK26B,IAAI5nB,QAAQC,IAAMzN,MAAO8jC,I,EAGhC9B,sBAAA,SAAuB1C,EAA0BrR,EAAoB1Q,EAAgCskB,GAAyB,IACpH7lC,EAAkCuhB,EAAlCvhB,KAAMy7B,EAA4Bla,EAA5Bka,MAAO3jB,EAAqByJ,EAArBzJ,GAAI8uB,EAAiBrlB,EAAjBqlB,aAEzB,GAAKA,GAAiBA,EAAa3J,eAMnC,GADsB4F,EAAeE,qBAAqBxhB,EAAQvhB,MAEhEvB,KAAK26B,IAAI5nB,QAAQC,IAAMtP,aAAc,CACnCwP,QAASi1B,EACTnL,MAAOA,GAAS,EAChB3jB,GAAIA,GAAM,EACVma,QACA4T,wBAGF,OAAQ7lC,GACR,KAAKg5B,EAAoBgK,YACvBvkC,KAAK26B,IAAI5nB,QAAQC,IAAM9O,mBAAoB,CACzCgP,QAASi1B,EACT9uB,KACAma,QACA4T,mBAEF,MACF,KAAK7M,EAAoBiK,eACvBxkC,KAAK26B,IAAI5nB,QAAQC,IAAM1O,sBAAuB,CAC5C4O,QAASi1B,EACT9uB,KACAma,QACA4T,wBA5BJpnC,KAAK2nC,4BAA4B9C,EAAU/hB,EAAS,0BAA2BskB,I,GApdxD1M,G,IC0Fd4O,E,oBAzGb,WAAa3O,GAAK,aAChB,cAAMA,EAAK3nB,IAAMvO,eAAjB,MACK4/B,QAAU,GAFC,E,kHAKlB3yB,QAAA,WACE,IAAI2yB,EAAUrkC,KAAKqkC,QACnB,IAAK,IAAIkF,KAAclF,EAAS,CAC9B,IAAInH,EAASmH,EAAQkF,GACjBrM,GACFA,EAAOxrB,UAGX1R,KAAKqkC,QAAU,GAEf,YAAM3yB,QAAN,Y,EAGF83B,cAAA,SAAe1iC,GACb,IAAMyoB,EAAOzoB,EAAKyoB,KAChBhuB,EAAOguB,EAAKhuB,KACZ8iC,EAAUrkC,KAAKqkC,QACfvyB,EAAS9R,KAAK26B,IAAI7oB,OAClB23B,EAAkB33B,EAAO43B,QACzBC,EAAiB73B,EAAOorB,OAG1B3N,EAAKqa,OAAS,EAEd,IASI1D,EAAeU,EAAcC,EAT7B3J,EAASmH,EAAQ9iC,GACjB27B,IACF56B,IAAOpB,KAAP,4CAAwDK,GACxD27B,EAAOiJ,SAGTjJ,EAASmH,EAAQ9iC,GAAQguB,EAAK2N,OAC5BprB,EAAO43B,QAAU,IAAID,EAAgB33B,GAAU,IAAI63B,EAAe73B,GAIpEo0B,EAAgB,CAAE78B,IAAKkmB,EAAKlmB,IAAKkmB,KAAMA,EAAMkW,aAAc,cAAeoE,cAAc,GAExF,IAAI3nB,EAAQqN,EAAKua,qBACf5hC,EAAMqnB,EAAK+N,mBAET,YAAgBpb,IAAU,YAAgBha,KAC5Cg+B,EAAcqC,WAAarmB,EAC3BgkB,EAAcsC,SAAWtgC,GAG3B0+B,EAAe,CACbb,QAASj0B,EAAOi4B,mBAChBjE,SAAU,EACVE,WAAY,EACZC,cAAen0B,EAAOk4B,4BAGxBnD,EAAkB,CAChBC,UAAW9mC,KAAK+mC,YAAYzmC,KAAKN,MACjCgnC,QAAShnC,KAAKinC,UAAU3mC,KAAKN,MAC7BknC,UAAWlnC,KAAKmnC,YAAY7mC,KAAKN,MACjCiqC,WAAYjqC,KAAKkqC,aAAa5pC,KAAKN,OAGrCk9B,EAAOqI,KAAKW,EAAeU,EAAcC,I,EAG3CE,YAAA,SAAalC,EAAUrR,EAAO1Q,EAASskB,QAAuB,IAAvBA,MAAiB,MACtD,IAAIjwB,EAAU0tB,EAAS/9B,KAAMyoB,EAAOzM,EAAQyM,KAE5CA,EAAK2N,YAASvrB,EACd3R,KAAKqkC,QAAQ9U,EAAKhuB,WAAQoQ,EAC1B3R,KAAK26B,IAAI5nB,QAAQC,IAAMpO,YAAa,CAAEuS,QAASA,EAASoY,KAAMA,EAAMiE,MAAOA,EAAO4T,eAAgBA,K,EAGpGH,UAAA,SAAWpC,EAAU/hB,EAASskB,QAAuB,IAAvBA,MAAiB,MAC7C,IAAM7X,EAAOzM,EAAQyM,KACjB2N,EAAS3N,EAAK2N,OACdA,GACFA,EAAOiJ,QAGTnmC,KAAKqkC,QAAQ9U,EAAKhuB,WAAQoQ,EAC1B3R,KAAK26B,IAAI5nB,QAAQC,IAAMzN,MAAO,CAAEhE,KAAMsE,IAAWgjC,cAAe31B,QAASpN,IAAaqkC,gBAAiB/2B,OAAO,EAAOmc,KAAMzM,EAAQyM,KAAMsV,SAAUA,EAAUuC,eAAgBA,K,EAG/KD,YAAA,SAAa3T,EAAO1Q,EAASskB,QAAuB,IAAvBA,MAAiB,MAC5C,IAAM7X,EAAOzM,EAAQyM,KACjB2N,EAAS3N,EAAK2N,OACdA,GACFA,EAAOiJ,QAGTnmC,KAAKqkC,QAAQ9U,EAAKhuB,WAAQoQ,EAC1B3R,KAAK26B,IAAI5nB,QAAQC,IAAMzN,MAAO,CAAEhE,KAAMsE,IAAWgjC,cAAe31B,QAASpN,IAAaskC,kBAAmBh3B,OAAO,EAAOmc,KAAMzM,EAAQyM,KAAM6X,eAAgBA,K,EAI7J8C,aAAA,SAAc1W,EAAO1Q,EAAShc,EAAMsgC,QAAuB,IAAvBA,MAAiB,MACnD,IAAI7X,EAAOzM,EAAQyM,KACnBA,EAAKqa,OAASpW,EAAMoW,OACpB5pC,KAAK26B,IAAI5nB,QAAQC,IAAMtO,mBAAoB,CAAE6qB,KAAMA,EAAMiE,MAAOA,EAAO4T,eAAgBA,K,GAtG9D1M,G,IC6Hd2P,E,oBA7Gb,WAAa1P,GAAU,aACrB,cAAMA,EAAK3nB,IAAMvN,cAAjB,MALK4+B,QAAU,GAIM,EAHhBiG,WAAgC,KAGhB,EAFhBC,WAA4B,KAEZ,E,kHAIvB74B,QAAA,WACE,IAAK,IAAM63B,KAAcvpC,KAAKqkC,QAAS,CACrC,IAAInH,EAASl9B,KAAKqkC,QAAQkF,GACtBrM,GACFA,EAAOxrB,UAGX1R,KAAKqkC,QAAU,GAEf,YAAM3yB,QAAN,Y,EAGF84B,aAAA,SAAc1jC,GAA2B,IAC/ByoB,EAASzoB,EAATyoB,KACFhuB,EAAOguB,EAAKhuB,KACZ27B,EAASl9B,KAAKqkC,QAAQ9iC,GAC5B,GAAKguB,EAAK5E,YAAV,CAMA,IAAMkT,EAAMtO,EAAK5E,YAAYkT,IAC7B,GAAIA,IAAQ79B,KAAKuqC,YAAkC,OAApBvqC,KAAKsqC,WAAqB,CACvD,IAAIx4B,EAAS9R,KAAK26B,IAAI7oB,OAKtB,GAJIorB,IACF56B,IAAOpB,KAAP,sCAAkDK,GAClD27B,EAAOiJ,UAEJtI,EAEH,YADAv7B,IAAOpB,KAAK,oBAIdquB,EAAK2N,OAASl9B,KAAKqkC,QAAQ9iC,GAAQ,IAAIuQ,EAAOorB,OAAOprB,GACrD9R,KAAKuqC,WAAa1M,EAClB79B,KAAKsqC,WAAa,KAElB,IAAMpE,EAAkC,CACtC78B,IAAKw0B,EACLtO,KAAMA,EACNkW,aAAc,eAMVmB,EAAoC,CACxCb,QAASj0B,EAAOi4B,mBAChBjE,SAAU,EACVE,WAAYl0B,EAAO24B,sBACnBxE,cAAen0B,EAAOk4B,4BAGlBnD,EAAqD,CACzDC,UAAW9mC,KAAK+mC,YAAYzmC,KAAKN,MACjCgnC,QAAShnC,KAAKinC,UAAU3mC,KAAKN,MAC7BknC,UAAWlnC,KAAKmnC,YAAY7mC,KAAKN,OAGnCuvB,EAAK2N,OAAOqI,KAAKW,EAAeU,EAAcC,QACrC7mC,KAAKsqC,aAEd/a,EAAK5E,YAAYtqB,IAAML,KAAKsqC,WAC5BtqC,KAAK26B,IAAI5nB,QAAQC,IAAMtN,WAAY,CAAE6pB,KAAMA,UA/C3CjtB,IAAOpB,KAAK,wD,EAmDhB6lC,YAAA,SAAalC,EAA0BrR,EAAoB1Q,GACzD,IAAIyM,EAAOzM,EAAQyM,KACdA,EAAK5E,aAIV3qB,KAAKsqC,WAAa/a,EAAK5E,YAAYtqB,IAAM,IAAIsI,WAAWk8B,EAAS/9B,MAGjEyoB,EAAK2N,YAASvrB,SACP3R,KAAKqkC,QAAQ9U,EAAKhuB,MACzBvB,KAAK26B,IAAI5nB,QAAQC,IAAMtN,WAAY,CAAE6pB,KAAMA,KARzCjtB,IAAOlB,MAAM,sC,EAWjB6lC,UAAA,SAAWpC,EAA0B/hB,GACnC,IAAIyM,EAAOzM,EAAQyM,KACf2N,EAAS3N,EAAK2N,OACdA,GACFA,EAAOiJ,eAGFnmC,KAAKqkC,QAAQ9U,EAAKhuB,MACzBvB,KAAK26B,IAAI5nB,QAAQC,IAAMzN,MAAO,CAAEhE,KAAMsE,IAAWgjC,cAAe31B,QAASpN,IAAa4kC,eAAgBt3B,OAAO,EAAOmc,OAAMsV,c,EAG5HsC,YAAA,SAAa3T,EAAoB1Q,GAC/B,IAAIyM,EAAOzM,EAAQyM,KACf2N,EAAS3N,EAAK2N,OACdA,GACFA,EAAOiJ,eAGFnmC,KAAKqkC,QAAQ9U,EAAKhuB,MACzBvB,KAAK26B,IAAI5nB,QAAQC,IAAMzN,MAAO,CAAEhE,KAAMsE,IAAWgjC,cAAe31B,QAASpN,IAAa6kC,iBAAkBv3B,OAAO,EAAOmc,U,GA9GlGmL,GCjBjB,IAAMkQ,EACC,aADDA,EAEA,YAFAA,EAGF,UAHEA,EAIP,KAGOC,EAAb,Y,QACE,WAAalQ,GAAK,aAChB,cAAMA,EACJ3nB,IAAMhQ,gBACNgQ,IAAM7N,cACN6N,IAAMpO,cAHR,MAMKkmC,cAAgB,GAErB,EAAK5M,UAAY39B,OAAOmjB,OAAO,MAC/B,EAAKqnB,WAAaxqC,OAAOmjB,OAAO,MAEhC,EAAK5R,OAAS6oB,EAAI7oB,OAZF,E,EADpB,G,EAAA,G,6EAAA,2BAgBEJ,QAAA,WACE1R,KAAKk+B,UAAY39B,OAAOmjB,OAAO,MAC/B1jB,KAAK+qC,WAAaxqC,OAAOmjB,OAAO,MAChC1jB,KAAK8R,OAAS,KACd4oB,EAAal6B,UAAUkR,QAAQhR,KAAKV,MACpC,YAAM0R,QAAN,YArBJ,EA+BEs5B,gBAAA,SAAiB3iB,EAAU6f,GACzB,IAAMhK,EAAYl+B,KAAKk+B,UACjB+M,EAAgB1qC,OAAOkd,KAAKygB,GAAW3c,QAAO,SAAAlhB,GAClD,IAAM6qC,EAAiBhN,EAAU79B,GACjC,GAAI6qC,EAAeC,KAAK5pC,OAAS2mC,EAC/B,OAAO,EAGT,IAAKgD,EAAeE,SAClB,OAAO,EAGT,IAAM7b,EAAO2b,EAAeC,KAC5B,OAAO5b,EAAKjT,UAAY+L,GAAYA,GAAYkH,EAAKlT,UAEvD,GAA6B,IAAzB4uB,EAAcjkC,OAChB,OAAO,KAGP,IAAMqkC,EAAkBJ,EAActS,MACtC,OAAOuF,EAAUmN,GAAiBF,MAnDxC,EA8DEG,uBAAA,SAAwBC,EAAkBC,GAAW,IAC/CC,EAAeC,EADgC,OAGnDnrC,OAAOkd,KAAKzd,KAAKk+B,WAAW/7B,SAAQ,SAAA9B,GAClC,IAAM6qC,EAAiB,EAAKhN,UAAU79B,GACtC,IAAgC,IAA5B6qC,EAAeE,SAAmB,CACpC,IAAMO,EAAST,EAAeU,MAAML,GACpC,GAAII,EAAQ,CACVF,EAAgBE,EAAOD,KACvB,IAAK,IAAIhkC,EAAI,EAAGA,EAAI+jC,EAAczkC,OAAQU,IAGxC,GAFAgkC,EAAOD,EAAc/jC,IAE8C,IAA/D,EAAKmkC,eAAeH,EAAKpvB,SAAUovB,EAAKrvB,OAAQmvB,GAAsB,CAExE,EAAKM,eAAeZ,EAAeC,MACnC,aA7Ed,EA0FEY,uBAAA,SAAwB7/B,GAAU,WAC5B8/B,EAAUhsC,KAAKisC,eAAe//B,GAC9Bg/B,EAAiBlrC,KAAKk+B,UAAU8N,GAChCd,IACFA,EAAeE,UAAW,EAE1B7qC,OAAOkd,KAAKzd,KAAK+qC,YAAY5oC,SAAQ,SAAAopC,GACnC,GAAIr/B,EAASsxB,oBAAoB+N,GAAmB,CAClD,IAAIC,EAAY,EAAKT,WAAWQ,GAGhCL,EAAeU,MAAML,GAAoB,EAAKW,iBAAiBhgC,EAASoQ,SAAUpQ,EAASmQ,OAAQmvB,SArG7G,EA2GEU,iBAAA,SAAkB5vB,EAAUD,EAAQmvB,GAIlC,IAHA,IACIlY,EAAWC,EADXkY,EAAgB,GAEhBU,GAAkB,EACbzkC,EAAI,EAAGA,EAAI8jC,EAAUxkC,OAAQU,IAAK,CAGzC,GAFA4rB,EAAYkY,EAAUtpB,MAAMxa,GAAK1H,KAAK8qC,cACtCvX,EAAUiY,EAAUtjC,IAAIR,GAAK1H,KAAK8qC,cAC9BxuB,GAAYgX,GAAajX,GAAUkX,EAAS,CAG9CkY,EAAcpjC,KAAK,CACjBiU,SAAU/V,KAAK0V,IAAIK,EAAUkvB,EAAUtpB,MAAMxa,IAC7C2U,OAAQ9V,KAAKgX,IAAIlB,EAAQmvB,EAAUtjC,IAAIR,MAEzC,MACK,GAAI4U,EAAWiX,GAAWlX,EAASiX,EAGxCmY,EAAcpjC,KAAK,CACjBiU,SAAU/V,KAAK0V,IAAIK,EAAUkvB,EAAUtpB,MAAMxa,IAC7C2U,OAAQ9V,KAAKgX,IAAIlB,EAAQmvB,EAAUtjC,IAAIR,MAEzCykC,GAAkB,OACb,GAAI9vB,GAAUiX,EAEnB,MAIJ,MAAO,CACLoY,KAAMD,EACNW,QAASD,IA1If,EA8IEF,eAAA,SAAgB//B,GACd,OAAUA,EAAS3K,KAAnB,IAA2B2K,EAAS8wB,MAApC,IAA6C9wB,EAAS6wB,MAAtD,IAA+D7wB,EAAS4L,IA/I5E,EAuJEu0B,mBAAA,SAAoBX,GAAM,IACpBY,EAAahZ,EAAWC,EADJ,OAEpBgZ,EAAe,KACfC,EAAc,EAgBlB,OAfAjsC,OAAOkd,KAAKzd,KAAKk+B,WAAW/7B,SAAQ,SAAA9B,GAClC,IAAM6qC,EAAiB,EAAKhN,UAAU79B,GAClC,EAAKosC,UAAUvB,KACjB5X,EAAY4X,EAAeC,KAAK7uB,SAAW,EAAKwuB,cAChDvX,EAAU2X,EAAeC,KAAK9uB,OAAS,EAAKyuB,cACxCY,GAAQpY,GAAaoY,GAAQnY,IAE/B+Y,EAAc/lC,KAAKgX,IAAImuB,EAAOpY,EAAWC,EAAUmY,GAC/Cc,GAAeF,IACjBC,EAAerB,EAAeC,KAC9BqB,EAAcF,QAKfC,GA1KX,EAiLEG,SAAA,SAAUxgC,GACR,IAAI8/B,EAAUhsC,KAAKisC,eAAe//B,GAC9Bg/B,EAAiBlrC,KAAKk+B,UAAU8N,GAChC/Z,EAAQ2Y,EAYZ,YAVuBj5B,IAAnBu5B,IAIAjZ,EAHGiZ,EAAeE,UAE0B,IAAnCprC,KAAKysC,UAAUvB,GAChBN,EAEAA,EAJAA,GAQL3Y,GAhMX,EAmMEwa,UAAA,SAAWvB,GACT,OAAmC,IAA5BA,EAAeE,gBACaz5B,IAA/Bu5B,EAAeU,MAAMtuB,QAA8D,IAAvC4tB,EAAeU,MAAMtuB,MAAM8uB,cACvCz6B,IAA/Bu5B,EAAeU,MAAMxuB,QAA8D,IAAvC8tB,EAAeU,MAAMxuB,MAAMgvB,UAtMhF,EAyMEP,eAAA,SAAgBvvB,EAAUD,EAAQmvB,GAEhC,IADA,IAAIlY,EAAWC,EACN7rB,EAAI,EAAGA,EAAI8jC,EAAUxkC,OAAQU,IAAK,CAGzC,GAFA4rB,EAAYkY,EAAUtpB,MAAMxa,GAAK1H,KAAK8qC,cACtCvX,EAAUiY,EAAUtjC,IAAIR,GAAK1H,KAAK8qC,cAC9BxuB,GAAYgX,GAAajX,GAAUkX,EACrC,OAAO,EAGT,GAAIlX,GAAUiX,EAEZ,OAAO,EAIX,OAAO,GAxNX,EA8NEqZ,aAAA,SAActqC,GACZ,IAAM6J,EAAW7J,EAAEktB,KAGd,YAAgBrjB,EAAS4L,MAAO5L,EAAS0gC,cAI9C5sC,KAAKk+B,UAAUl+B,KAAKisC,eAAe//B,IAAa,CAC9Ci/B,KAAMj/B,EACN0/B,MAAOrrC,OAAOmjB,OAAO,MACrB0nB,UAAU,KAzOhB,EAgPEyB,iBAAA,SAAkBxqC,GAAG,WAEnBrC,KAAK+qC,WAAa1oC,EAAE0oC,WACpBxqC,OAAOkd,KAAKzd,KAAK+qC,YAAY5oC,SAAQ,SAAAopC,GACnC,IAAIC,EAAY,EAAKT,WAAWQ,GAChC,EAAKD,uBAAuBC,EAAkBC,OArPpD,EA4PEsB,eAAA,SAAgBzqC,GACdrC,KAAK+rC,uBAAuB1pC,EAAEktB,OA7PlC,EAqQEwd,YAAA,SAAa7gC,GACX,IAAM8/B,EAAUhsC,KAAKisC,eAAe//B,GACpC,YAAmCyF,IAA5B3R,KAAKk+B,UAAU8N,IAvQ1B,EA8QEF,eAAA,SAAgB5/B,GACd,IAAI8/B,EAAUhsC,KAAKisC,eAAe//B,UAC3BlM,KAAKk+B,UAAU8N,IAhR1B,EAsREgB,mBAAA,WACEhtC,KAAKk+B,UAAY39B,OAAOmjB,OAAO,OAvRnC,GAAqCgX,GCiCtBuS,EAzCM,CAiBnBC,OAAQ,SAAaC,EAAWC,GAM9B,IALA,IAAIC,EAAmB,EACnBC,EAAmBH,EAAKnmC,OAAS,EACjCumC,EAA8B,KAC9BC,EAA2B,KAExBH,GAAYC,GAAU,CAI3B,IAAIG,EAAmBL,EAFvBI,EAAiBL,EADjBI,GAAgBF,EAAWC,GAAY,EAAI,IAI3C,GAAIG,EAAmB,EACrBJ,EAAWE,EAAe,MACrB,MAAIE,EAAmB,GAG5B,OAAOD,EAFPF,EAAWC,EAAe,GAM9B,OAAO,OCpBEG,EAAb,kCAOSC,WAAP,SAAmBxL,EAAmB9Z,GACpC,IACE,GAAI8Z,EAEF,IADA,IAAIiJ,EAAWjJ,EAAMiJ,SACZ1jC,EAAI,EAAGA,EAAI0jC,EAASpkC,OAAQU,IACnC,GAAI2gB,GAAY+iB,EAASlpB,MAAMxa,IAAM2gB,GAAY+iB,EAASljC,IAAIR,GAC5D,OAAO,EAIb,MAAOtG,IAKT,OAAO,GAtBX,EAyBSwsC,WAAP,SACEzL,EACAvQ,EACAic,GAOA,IACE,GAAI1L,EAAO,CACT,IAEIz6B,EAFAomC,EAAY3L,EAAMiJ,SAClBA,EAA8B,GAElC,IAAK1jC,EAAI,EAAGA,EAAIomC,EAAU9mC,OAAQU,IAChC0jC,EAAS/iC,KAAK,CAAE6Z,MAAO4rB,EAAU5rB,MAAMxa,GAAIQ,IAAK4lC,EAAU5lC,IAAIR,KAGhE,OAAO1H,KAAK+tC,aAAa3C,EAAUxZ,EAAKic,IAE1C,MAAOzsC,IAKT,MAAO,CAAE8I,IAAK,EAAGgY,MAAO0P,EAAK1pB,IAAK0pB,EAAKoc,eAAWr8B,IAnDtD,EAsDSo8B,aAAP,SACE3C,EACAxZ,EACAic,GAQAzC,EAAS5sB,MAAK,SAAUC,EAAGC,GACzB,IAAIuvB,EAAOxvB,EAAEyD,MAAQxD,EAAEwD,MACvB,OAAI+rB,GAGKvvB,EAAExW,IAAMuW,EAAEvW,OAIrB,IAAIgmC,EAA+B,GACnC,GAAIL,EAIF,IAAK,IAAInmC,EAAI,EAAGA,EAAI0jC,EAASpkC,OAAQU,IAAK,CACxC,IAAIymC,EAAUD,EAAUlnC,OACxB,GAAImnC,EAAS,CACX,IAAIC,EAAUF,EAAUC,EAAU,GAAGjmC,IAEhCkjC,EAAS1jC,GAAGwa,MAAQksB,EAAWP,EAK9BzC,EAAS1jC,GAAGQ,IAAMkmC,IACpBF,EAAUC,EAAU,GAAGjmC,IAAMkjC,EAAS1jC,GAAGQ,KAI3CgmC,EAAU7lC,KAAK+iC,EAAS1jC,SAI1BwmC,EAAU7lC,KAAK+iC,EAAS1jC,SAI5BwmC,EAAY9C,EAWd,IARA,IAGIiD,EAHAC,EAAY,EAMZC,EAAsB3c,EACtB4c,EAAoB5c,EACflqB,EAAI,EAAGA,EAAIwmC,EAAUlnC,OAAQU,IAAK,CACzC,IAAIwa,EAAQgsB,EAAUxmC,GAAGwa,MACvBha,EAAMgmC,EAAUxmC,GAAGQ,IAErB,GAAK0pB,EAAMic,GAAoB3rB,GAAS0P,EAAM1pB,EAE5CqmC,EAAcrsB,EAEdosB,GADAE,EAAYtmC,GACY0pB,OACnB,GAAKA,EAAMic,EAAmB3rB,EAAO,CAC1CmsB,EAAkBnsB,EAClB,OAGJ,MAAO,CAAEhY,IAAKokC,EAAWpsB,MAAOqsB,EAAarmC,IAAKsmC,EAAWR,UAAWK,IA/H5E,EAqISI,8BAAP,SAAqCtM,EAAOvQ,EAAK8c,GAC/C,IAAMC,EAAcxM,EAAQA,EAAMwM,iBAAch9B,EAGhD,GAAI+7B,EAAaC,WAAWxL,EAAOwM,GACjC,OAAO/c,EAIT,IADA,IAAMwZ,EAAWjJ,EAAMiJ,SACd1jC,EAAI,EAAGA,EAAI0jC,EAASpkC,OAAQU,IAAK,CACxC,IAAMwa,EAAQkpB,EAASlpB,MAAMxa,GAG7B,GAAIwa,EAAQysB,GAAezsB,EAAQysB,EAAcD,EAC/C,OAAOnoC,KAAK6b,KAAa,GAARF,GAAc,GAInC,OAAO0P,GAvJX,K,wBCfO,SAASgd,IACd,OAAQtkC,OAAe01B,aAAgB11B,OAAeukC,kB,WCAjD,IAAMC,EAAb,Y,QAAA,yD,EAAA,G,EAAA,G,6EAAA,YAME/7B,QAAA,SAASmQ,GAA0C,2BAAxBpc,EAAwB,iCAAxBA,EAAwB,kBACjD9G,KAAKqkB,KAAL,MAAArkB,KAAA,CAAUkjB,EAAOA,GAAjB,OAA2Bpc,KAP/B,GAA8B2c,gBCQxBhiB,EAASC,cACTs+B,EAAc4O,KAAoB,CAAE3O,gBAAiB,kBAAM,IAwIlD8O,E,WArIb,WAAapU,EAAKthB,GAAI,WACpBrZ,KAAK26B,IAAMA,EACX36B,KAAKqZ,GAAKA,EAEV,IAAMxH,EAAW7R,KAAK6R,SAAW,IAAIi9B,EAC/Bh9B,EAAS6oB,EAAI7oB,OAEbkoB,EAAiB,SAACC,EAAInzB,IAC1BA,EAAOA,GAAQ,IACVyoB,KAAO,EAAKA,KACjBzoB,EAAKuS,GAAK,EAAKA,GACfshB,EAAI5nB,QAAQknB,EAAInzB,IAIlB+K,EAAS+S,GAAG5R,IAAMnO,eAAgBm1B,GAClCnoB,EAAS+S,GAAG5R,IAAMlO,0BAA2Bk1B,GAC7CnoB,EAAS+S,GAAG5R,IAAM/N,kBAAmB+0B,GACrCnoB,EAAS+S,GAAG5R,IAAM9N,YAAa80B,GAC/BnoB,EAAS+S,GAAG5R,IAAMzN,MAAOy0B,GACzBnoB,EAAS+S,GAAG5R,IAAMhO,sBAAuBg1B,GACzCnoB,EAAS+S,GAAG5R,IAAMjO,sBAAuBi1B,GACzCnoB,EAAS+S,GAAG5R,IAAMxO,eAAgBw1B,GAElC,IAAM3f,EAAgB,CACpB20B,IAAKhP,EAAYC,gBAAgB,aACjC9iB,KAAM6iB,EAAYC,gBAAgB,cAClC9mB,IAAK6mB,EAAYC,gBAAgB,4BAI7B3lB,EAASE,UAAUF,OACzB,GAAIxI,EAAOm9B,cAAqC,oBAAZpV,OAA0B,CAE5D,IAAIqV,EADJ5sC,IAAOrB,IAAI,yBAEX,IACEiuC,EAAIlvC,KAAKkvC,EAAIC,EAAK,IAClBnvC,KAAKovC,OAASpvC,KAAKqvC,gBAAgB/uC,KAAKN,MACxCkvC,EAAE/U,iBAAiB,UAAWn6B,KAAKovC,QACnCF,EAAEI,QAAU,SAAUpsB,GACpByX,EAAI5nB,QAAQC,IAAMzN,MAAO,CAAEhE,KAAMsE,IAAW01B,YAAaroB,QAASpN,IAAa01B,mBAAoBpoB,OAAO,EAAM8P,MAAO,gBAAiBtQ,IAAK,CAAEE,QAASoQ,EAAMpQ,QAAU,KAAOoQ,EAAMqsB,SAAW,IAAMrsB,EAAMssB,OAAS,QAEvNN,EAAEhV,YAAY,CAAEE,IAAK,OAAQ/f,cAAeA,EAAeC,OAAQA,EAAQjB,GAAIA,EAAIvH,OAAQmnB,KAAKC,UAAUpnB,KAC1G,MAAOc,GACPtQ,IAAOpB,KAAK,mBAAoB0R,GAChCtQ,IAAOlB,MAAM,qEACT8tC,GAEFztC,EAAO83B,IAAIkW,gBAAgBP,EAAEpV,WAE/B95B,KAAKkzB,QAAU,IAAID,IAAcphB,EAAUwI,EAAevI,EAAQwI,GAClEta,KAAKkvC,OAAIv9B,QAGX3R,KAAKkzB,QAAU,IAAID,IAAcphB,EAAUwI,EAAevI,EAAQwI,G,2BAItE5I,QAAA,WACE,IAAIw9B,EAAIlvC,KAAKkvC,EACb,GAAIA,EACFA,EAAEQ,oBAAoB,UAAW1vC,KAAKovC,QACtCF,EAAES,YACF3vC,KAAKkvC,EAAI,SACJ,CACL,IAAIhc,EAAUlzB,KAAKkzB,QACfA,IACFA,EAAQxhB,UACR1R,KAAKkzB,QAAU,MAGnB,IAAMrhB,EAAW7R,KAAK6R,SAClBA,IACFA,EAASgT,qBACT7kB,KAAK6R,SAAW,O,EAIpBxJ,KAAA,SAAMvB,EAAMkT,EAAauL,EAAYkB,EAAY8I,EAAM/X,EAAUgE,EAAoB6X,GACnF,IAAM6b,EAAIlvC,KAAKkvC,EACT5zB,EAAa,YAAgBiU,EAAKjT,UAAYiT,EAAKjT,SAAWiT,EAAKrN,MACnEyI,EAAc4E,EAAK5E,YACnBilB,EAAW5vC,KAAKuvB,KAChB4D,IAAkByc,GAAargB,EAAKqN,KAAOgT,EAAShT,IACpDxJ,IAAgBwc,GAAargB,EAAKyN,QAAU4S,EAAS5S,OACrD6S,EAASD,GAAargB,EAAKzX,KAAQ83B,EAAS93B,GAAK,EACjDyD,GAAc6X,GAAeyc,EAUnC,GATI1c,GACF7wB,IAAOrB,IAAOjB,KAAKqZ,GAAnB,2BAGE+Z,GACF9wB,IAAOrB,IAAOjB,KAAKqZ,GAAnB,oBAGFrZ,KAAKuvB,KAAOA,EACR2f,EAEFA,EAAEhV,YAAY,CAAEE,IAAK,QAAStzB,OAAM6jB,cAAa3Q,cAAauL,aAAYkB,aAAYnL,aAAY6X,gBAAeC,cAAa7X,aAAY/D,WAAUgE,qBAAoB6X,kBAAkBvsB,aAAgBgpC,YAAc,CAAChpC,GAAQ,QAC5N,CACL,IAAIosB,EAAUlzB,KAAKkzB,QACfA,GACFA,EAAQ7qB,KAAKvB,EAAM6jB,EAAa3Q,EAAauL,EAAYkB,EAAYnL,EAAY6X,EAAeC,EAAa7X,EAAY/D,EAAUgE,EAAoB6X,K,EAK7Jgc,gBAAA,SAAiBpV,GACf,IAAInzB,EAAOmzB,EAAGnzB,KACZ6zB,EAAM36B,KAAK26B,IACb,OAAQ7zB,EAAKoc,OACb,IAAK,OAEHzhB,EAAO83B,IAAIkW,gBAAgBzvC,KAAKkvC,EAAEpV,WAClC,MAEF,KAAK9mB,IAAM/N,kBACT6B,EAAKA,KAAK4Z,MAAQ,IAAI/X,WAAW7B,EAAK4Z,OAClC5Z,EAAK6Z,QACP7Z,EAAKA,KAAK6Z,MAAQ,IAAIhY,WAAW7B,EAAK6Z,QAI1C,QACE7Z,EAAKA,KAAOA,EAAKA,MAAQ,GACzBA,EAAKA,KAAKyoB,KAAOvvB,KAAKuvB,KACtBzoB,EAAKA,KAAKuS,GAAKrZ,KAAKqZ,GACpBshB,EAAI5nB,QAAQjM,EAAKoc,MAAOpc,EAAKA,Q,KCrI5B,SAASipC,EAAY/S,EAAOz7B,EAAM8X,GACvC,OAAQ9X,GACR,IAAK,QACEy7B,EAAMgT,gBACThT,EAAMgT,cAAgB,IAExBhT,EAAMgT,cAAc3nC,KAAKgR,GACzB,MACF,IAAK,OACE2jB,EAAMiT,eACTjT,EAAMiT,aAAe,IAEvBjT,EAAMiT,aAAa5nC,KAAKgR,IAKrB,SAAS62B,GAAWhS,EAAWiS,EAASC,GAC7C,IAAIC,EAAWnS,EAAUiS,GAAUG,EAASpS,EAAUkS,GAAQG,EAAYD,EAAOh0B,SAE7E,YAAgBi0B,GAGdH,EAAQD,GACVE,EAAS74B,SAAW+4B,EAAYF,EAASnuB,MACrCmuB,EAAS74B,SAAW,GACtBlV,IAAOpB,KAAP,uCAAmDmvC,EAASv4B,GAA5D,UAAwEu4B,EAASrT,MAAjF,0EAGFsT,EAAO94B,SAAW64B,EAASnuB,MAAQquB,EAC/BD,EAAO94B,SAAW,GACpBlV,IAAOpB,KAAP,uCAAmDovC,EAAOx4B,GAA1D,UAAsEw4B,EAAOtT,MAA7E,yEAMFsT,EAAOpuB,MADLkuB,EAAQD,EACKE,EAASnuB,MAAQmuB,EAAS74B,SAE1BjR,KAAK0V,IAAIo0B,EAASnuB,MAAQouB,EAAO94B,SAAU,GAKzD,SAASg5B,GAAkBt9B,EAASqc,EAAMjT,EAAUD,EAAQuE,EAAUC,GAE3E,IAAI4vB,EAAcn0B,EAClB,GAAI,YAAgBiT,EAAKjT,UAAW,CAElC,IAAIigB,EAAWh2B,KAAKgY,IAAIgR,EAAKjT,SAAWA,GACnC,YAAgBiT,EAAKgN,UAGxBhN,EAAKgN,SAAWh2B,KAAK0V,IAAIsgB,EAAUhN,EAAKgN,UAFxChN,EAAKgN,SAAWA,EAKlBkU,EAAclqC,KAAK0V,IAAIK,EAAUiT,EAAKjT,UACtCA,EAAW/V,KAAKgX,IAAIjB,EAAUiT,EAAKjT,UACnCD,EAAS9V,KAAK0V,IAAII,EAAQkT,EAAKlT,QAC/BuE,EAAWra,KAAKgX,IAAIqD,EAAU2O,EAAK3O,UACnCC,EAASta,KAAK0V,IAAI4E,EAAQ0O,EAAK1O,QAGjC,IAAM6vB,EAAQp0B,EAAWiT,EAAKrN,MAC9BqN,EAAKrN,MAAQqN,EAAKjT,SAAWA,EAC7BiT,EAAKkhB,YAAcA,EACnBlhB,EAAKlT,OAASA,EACdkT,EAAK3O,SAAWA,EAChB2O,EAAK1O,OAASA,EACd0O,EAAK/X,SAAW6E,EAASC,EAEzB,IAMIq0B,EAASzS,EAAWx2B,EANlBoQ,EAAKyX,EAAKzX,GAEhB,IAAK5E,GAAW4E,EAAK5E,EAAQorB,SAAWxmB,EAAK5E,EAAQ+qB,MACnD,OAAO,EAaT,IATA0S,EAAU74B,EAAK5E,EAAQorB,SACvBJ,EAAYhrB,EAAQgrB,WAMVyS,GAAWphB,EAEhB7nB,EAAIipC,EAASjpC,EAAI,EAAGA,IACvBwoC,GAAUhS,EAAWx2B,EAAGA,EAAI,GAI9B,IAAKA,EAAIipC,EAASjpC,EAAIw2B,EAAUl3B,OAAS,EAAGU,IAC1CwoC,GAAUhS,EAAWx2B,EAAGA,EAAI,GAI9B,OADAwL,EAAQ09B,UAAW,EACZF,EAGF,SAASG,GAAcC,EAAYC,GAEpCA,EAAW/2B,aAAe82B,EAAW92B,cACvC+2B,EAAW/2B,YAAc82B,EAAW92B,aAKtC,IACIg3B,EADAC,EAAW,EAgBf,GAdAC,GAAwBJ,EAAYC,GAAY,SAACI,EAASC,GACxDH,EAAWE,EAAQvU,GAAKwU,EAAQxU,GAC5B,YAAgBuU,EAAQ70B,YAC1B80B,EAAQlvB,MAAQkvB,EAAQ90B,SAAW60B,EAAQ70B,SAC3C80B,EAAQ/0B,OAAS80B,EAAQ90B,OACzB+0B,EAAQ55B,SAAW25B,EAAQ35B,SAC3B45B,EAAQC,YAAcF,EAAQE,YAC9BD,EAAQ5wB,QAAU2wB,EAAQ3wB,QAC1BwwB,EAAUI,GAGZL,EAAWH,UAAW,KAGnBG,EAAWH,SAAhB,CAIA,GAAIK,EAAU,CACZ3uC,IAAOrB,IAAI,gEAEX,IADA,IAAMqwC,EAAeP,EAAW7S,UACvBx2B,EAAI,EAAGA,EAAI4pC,EAAatqC,OAAQU,IACvC4pC,EAAa5pC,GAAGk1B,IAAMqU,EAKtBD,EACFR,GAAiBO,EAAYC,EAASA,EAAQ10B,SAAU00B,EAAQ30B,OAAQ20B,EAAQpwB,SAAUowB,EAAQnwB,QAmD/F,SAAwB0wB,EAAaC,GAC1C,IAAMxyB,EAAQwyB,EAAYlT,QAAUiT,EAAYjT,QAC1CmT,EAAeF,EAAYrT,UAC3BoT,EAAeE,EAAYtT,UAEjC,GAAIlf,EAAQ,GAAKA,EAAQyyB,EAAazqC,OACpC,OAEF,IAAK,IAAIU,EAAI,EAAGA,EAAI4pC,EAAatqC,OAAQU,IACvC4pC,EAAa5pC,GAAGwa,OAASuvB,EAAazyB,GAAOkD,MAvD7CwvB,CAAcZ,EAAYC,GAI5BA,EAAWH,SAAWE,EAAWF,UAuB5B,SAASM,GAAyBK,EAAaC,EAAaG,GACjE,GAAKJ,GAAgBC,EAQrB,IAJA,IAAMtvB,EAAQ3b,KAAK0V,IAAIs1B,EAAYjT,QAASkT,EAAYlT,SAAWkT,EAAYlT,QACzEp2B,EAAM3B,KAAKgX,IAAIg0B,EAAYtT,MAAOuT,EAAYvT,OAASuT,EAAYlT,QACnEtf,EAAQwyB,EAAYlT,QAAUiT,EAAYjT,QAEvC52B,EAAIwa,EAAOxa,GAAKQ,EAAKR,IAAK,CACjC,IAAMypC,EAAUI,EAAYrT,UAAUlf,EAAQtX,GACxC0pC,EAAUI,EAAYtT,UAAUx2B,GACtC,IAAKypC,IAAYC,EACf,MAEFO,EAAeR,EAASC,EAAS1pC,IAiB9B,SAASkqC,GAAuBC,EAAiBL,EAAaM,GACnE,IAAIC,EAAiB,KAAQP,EAAY1N,sBAAwB0N,EAAY1N,sBAAwB0N,EAAYhT,gBAC3GwT,EAAoBD,EAAiB,EAY3C,OAXIF,GAAmBL,EAAYvT,QAAU4T,EAAgB5T,QAI3D8T,EAAiBC,GAGfF,IACFC,EAAiBxrC,KAAK0V,IAAI+1B,EAAmBD,GAAkBznC,OAAOyoB,YAAYzM,MAAQwrB,KAGrFvrC,KAAKF,MAAM0rC,GC/NpB,IAYeE,GAZI,CACjB9gB,SAAU,SAAUyF,GAGlB,IAFA,IAAI31B,EAAM,GACNiJ,EAAM0sB,EAAE5vB,OACHU,EAAI,EAAGA,EAAIwC,EAAKxC,IACvBzG,GAAO,IAAM21B,EAAE1U,MAAMxa,GAAGwqC,QAAQ,GAAK,IAAMtb,EAAE1uB,IAAIR,GAAGwqC,QAAQ,GAAK,IAGnE,OAAOjxC,IC+CJ,SAASkxC,GAAWC,EAASl/B,GAClCA,EAAQgrB,UAAU/7B,SAAQ,SAACotB,GACzB,GAAIA,EAAM,CACR,IAAIrN,EAAQqN,EAAKrN,MAAQkwB,EACzB7iB,EAAKrN,MAAQqN,EAAKjT,SAAW4F,EAC7BqN,EAAKlT,OAAS6F,EAAQqN,EAAK/X,aAG/BtE,EAAQ09B,UAAW,EAad,SAASyB,GAAazC,EAAU0C,EAAWp/B,IAgB3C,SAA+B08B,EAAU18B,EAASo/B,GACvD,GApEK,SAAuC1C,EAAU0C,EAAWp/B,GACjE,IAAIq/B,GAAc,EAMlB,OALID,GAAaA,EAAUp/B,SAAWA,IAChCA,EAAQ8qB,MAAQ9qB,EAAQmrB,SAAYuR,GAAYA,EAAShT,GAAK1pB,EAAQmrB,WACxEkU,GAAc,GAGXA,EA6DHC,CAA6B5C,EAAU0C,EAAWp/B,GAAU,CAC9D,IAAMu/B,EA1DH,SAAyCC,EAAaC,GAC3D,IAAMC,EAAYF,EAAYxU,UACxB2U,EAAWF,EAAWzU,UAE5B,GAAK2U,EAAS7rC,QAAW4rC,EAAU5rC,OAAnC,CAKA,IAAM8rC,EA9CD,SAA8B5U,EAAWtB,GAG9C,IAFA,IAAImW,EAAY,KAEPrrC,EAAI,EAAGA,EAAIw2B,EAAUl3B,OAAQU,GAAK,EAAG,CAC5C,IAAMsrC,EAAc9U,EAAUx2B,GAC9B,GAAIsrC,GAAeA,EAAYpW,KAAOA,EAAI,CACxCmW,EAAYC,EACZ,OAIJ,OAAOD,EAmCeE,CAAoBL,EAAWC,EAAS,GAAGjW,IAEjE,GAAKkW,KAAkBA,GAAkBA,EAAcx2B,UAKvD,OAAOw2B,EAJLxwC,IAAOrB,IAAI,8CAPXqB,IAAOrB,IAAI,yBAqDWiyC,CAA+BZ,EAAUp/B,QAASA,GACpEu/B,IACFnwC,IAAOrB,IAAI,0EACXkxC,GAAUM,EAAcvwB,MAAOhP,KApBnCigC,CAAqBvD,EAAU18B,EAASo/B,IACnCp/B,EAAQ09B,UAAY0B,GA6BpB,SAAmBp/B,EAASkgC,GACjC,GAAIA,GAAeA,EAAYlV,UAAUl3B,OAAQ,CAC/C,IAAKkM,EAAQmgC,qBAAuBD,EAAYC,mBAC9C,OAKF,IAAIC,EAAUF,EAAYlV,UAAU,GAAGzB,gBAGnC2V,GAFSl/B,EAAQgrB,UAAU,GAAGzB,gBAEV6W,GAAW,IAAOF,EAAYlV,UAAU,GAAGhc,MAC/D,YAAgBkwB,KAClB9vC,IAAOrB,IAAP,sDAAiEmxC,EAAQF,QAAQ,IACjFC,GAAUC,EAASl/B,KAvCrBqgC,CAASrgC,EAASo/B,EAAUp/B,SC5EzB,SAASsgC,GAAmBtV,EAA4BuV,EAAyB/E,GACtF,GAAiB,OAAb+E,IAAsBr8B,MAAMs8B,QAAQxV,KAAeA,EAAUl3B,SAAW,YAAgBysC,GAC1F,OAAO,KAKT,GAAIA,GADavV,EAAU,GAAGzB,iBACF,GAC1B,OAAO,KAIT,GAAIgX,IADWvV,EAAUA,EAAUl3B,OAAS,GAAGm9B,oBACpB,GACzB,OAAO,KAGTuK,EAAyBA,GAA0B,EACnD,IAAK,IAAIiF,EAAM,EAAGA,EAAMzV,EAAUl3B,SAAU2sC,EAAK,CAC/C,IAAIpkB,EAAO2O,EAAUyV,GACrB,GAAIC,GAAuBH,EAAU/E,EAAwBnf,GAC3D,OAAOA,EAIX,OAAO,KAaF,SAASskB,GAAmBC,EAAwB5V,EAA4BsQ,EAAuBE,QAAqD,IAA5EF,MAAoB,QAAwD,IAArDE,MAAiC,GAC7I,IAAMqF,EAAWD,EAAe5V,EAAU4V,EAAah8B,GAAgBomB,EAAU,GAAGpmB,GAAgB,GAAK,KAEzG,OAAIi8B,IAAaC,GAA4BxF,EAAWE,EAAwBqF,GACvEA,EAEF9G,EAAaC,OAAOhP,EAAW8V,GAA4B1zC,KAAK,KAAMkuC,EAAWE,IAUnF,SAASsF,GAA6BxF,EAAeE,EAA4BuF,QAAqB,IAAhEzF,MAAY,QAAoD,IAAjDE,MAAyB,GAenF,IAAIwF,EAA2B3tC,KAAKgX,IAAImxB,EAAwBuF,EAAUz8B,UAAYy8B,EAAU1X,SAAW0X,EAAU1X,SAAW,IAChI,OAAI0X,EAAU/xB,MAAQ+xB,EAAUz8B,SAAW08B,GAA4B1F,EAC9D,EACEyF,EAAU/xB,MAAQgyB,EAA2B1F,GAAayF,EAAU/xB,OAErE,EAGH,EAWF,SAAS0xB,GAAwBO,EAAsBzF,EAAgCuF,GAC5F,IAAIC,EAAkI,IAAvG3tC,KAAKgX,IAAImxB,EAAwBuF,EAAUz8B,UAAYy8B,EAAU1X,SAAW0X,EAAU1X,SAAW,IAIhI,OAD2B0X,EAAU9P,oBAAsB,GAC/B+P,EAA2BC,ECjGlD,IAKcC,G,WACnB,WAAatiC,EAAQqwB,EAAOkS,EAAiB1Z,GAC3C36B,KAAK8R,OAASA,EACd9R,KAAKmiC,MAAQA,EACbniC,KAAKq0C,gBAAkBA,EACvBr0C,KAAK26B,IAAMA,EACX36B,KAAKs0C,WAAa,EAClBt0C,KAAKu0C,eAAgB,EACrBv0C,KAAKw0C,QAAU,KACfx0C,KAAKy0C,OAAQ,EACbz0C,KAAK00C,SAAU,E,2BASjBC,KAAA,SAAMC,GAAiB,IACb9iC,EAA2B9R,KAA3B8R,OAAQqwB,EAAmBniC,KAAnBmiC,MAAOqS,EAAYx0C,KAAZw0C,QACf7F,EAAyBxM,EAAzBwM,YAAa+F,EAAYvS,EAAZuS,QACfG,EAAS70C,KAAK00C,UAAYA,EAC1BI,GAAa90C,KAAK00C,SAAWA,EAKnC,GAHA10C,KAAK00C,QAAUA,EAGX/F,IAAgBiG,GA0BpB,IAVIE,GAAaD,KACf70C,KAAKw0C,QAAU,MAGex0C,KAAK8R,OAA7BijC,sBACoBL,GAAWG,IACrC70C,KAAKg1C,+BAIH7S,EAAM8S,SAAU9S,EAAM+S,OAAgC,IAAvB/S,EAAMgT,cAAuBhT,EAAMiJ,SAASpkC,OAA/E,CAIA,IAAM4mC,EAAaF,EAAaE,WAAWzL,EAAOwM,EAAa,GACzDhB,EAAaC,EAAW1jC,IAAM,EAC9B8jC,EAAYJ,EAAWI,WAAa,EAG1C,GAAKL,GAAeK,EAApB,CAIA,GAAI0G,EAAS,CAKX,GAHwB9G,EAAW1jC,IAzEP,KA2EP8jC,GAAaA,EAAYW,EA3ElB,GA6E1B,OAGF3uC,KAAKy0C,OAAQ,EAKf,IAAKz0C,KAAKy0C,OAASz0C,KAAKw0C,QAAS,CAE/B,IAAMY,EAAY7uC,KAAK0V,IAAI+xB,EAAWJ,EAAW1rB,OAAS,GAAKysB,EAC/D,GAAIyG,EAAY,GAAKA,GAxFO,EA0F1B,YADAp1C,KAAKq1C,mBAAmB,MAM5B,IAAMC,EAAO/qC,KAAKwoB,YAAYzM,MAC9B,GAAgB,OAAZkuB,EAAJ,CAKA,IAAMe,EAAkBD,EAAOd,GAC1BE,GAAWa,GAvGqB,KAyGnCv1C,KAAKw1C,aAAa5H,EAAW1jC,KAG/B,IAAMurC,EAAoB/H,EAAaE,WAAWzL,EAAOwM,EAAa78B,EAAOsO,eAC7EpgB,KAAK01C,mBAAmBD,EAAmBF,QAXzCv1C,KAAKw0C,QAAUc,SA/Df,GADAt1C,KAAKy0C,OAAQ,EACG,OAAZD,EAAkB,CAEpB,GAAIx0C,KAAKu0C,cAAe,CACtB,IAAMgB,EAAkBhrC,KAAKwoB,YAAYzM,MAAQkuB,EACjDlyC,IAAOpB,KAAP,+BAA2CytC,EAA3C,WAAiEpoC,KAAKF,MAAMkvC,GAA5E,MACAv1C,KAAKu0C,eAAgB,EAEvBv0C,KAAKw0C,QAAU,KACfx0C,KAAKs0C,WAAa,I,EAuExBU,4BAAA,WACE,IAAM7S,EAAQniC,KAAKmiC,MACbwM,EAAcxM,EAAQA,EAAMwM,iBAAch9B,EACxC+8B,EAA2B1uC,KAAK8R,OAAhC48B,uBAKFiH,EACJjI,EAAae,8BAA8BtM,EAAOwM,EAAaD,GAEjE,OAAIC,IAAgBgH,IAClBrzC,IAAOrB,IAAP,uDAAkE00C,GAClExT,EAAMwM,YAAcgH,GACb,I,EAYXD,mBAAA,SAAoB9H,EAAYgI,GAAmB,IACzC9jC,EAAmC9R,KAAnC8R,OAAQuiC,EAA2Br0C,KAA3Bq0C,gBACV1F,EADqC3uC,KAAVmiC,MACPwM,YAEpBvC,EAAUiI,EAAgBhI,mBAAmBsC,GACnD,GAAIvC,GAGiBpsC,KAAKq1C,mBAAmBjJ,GAIzC,OAQAwB,EAAW1jC,IAAM4H,EAAOsO,eAC1Bw1B,EAAsD,IAAlC9jC,EAAO+jC,2BAC3BvzC,IAAOpB,KAAK,6CAIZlB,KAAKw0C,QAAU,KACfx0C,KAAK81C,oB,EASTN,aAAA,SAAclH,GAAW,IACf3T,EAA8B36B,KAA9B26B,IAAKwH,EAAyBniC,KAAzBmiC,MAAyBniC,KAAlBu0C,gBAGlBv0C,KAAKu0C,eAAgB,EACrBjyC,IAAOpB,KAAP,yBAAqCihC,EAAMwM,YAA3C,sBACAhU,EAAI5nB,QAAQC,IAAMzN,MAAO,CACvBhE,KAAMsE,IAAWoN,YACjBC,QAASpN,IAAaiwC,qBACtB3iC,OAAO,EACPnK,OAAQqlC,M,EAUd+G,mBAAA,SAAoBjJ,GAKlB,IAL2B,IACnBt6B,EAAuB9R,KAAvB8R,OAAQ6oB,EAAe36B,KAAf26B,IAAKwH,EAAUniC,KAAVmiC,MACfwM,EAAcxM,EAAMwM,YACtBqH,EAAc,EAETtuC,EAAI,EAAGA,EAAIy6B,EAAMiJ,SAASpkC,OAAQU,IAAK,CAC9C,IAAM4rB,EAAY6O,EAAMiJ,SAASlpB,MAAMxa,GACvC,GAAIinC,EAAc78B,EAAOsO,eAAiB41B,GAAerH,EAAcrb,EAAW,CAChF,IAAM2iB,EAAa1vC,KAAK0V,IAAIqX,EAzMG,IAyMkC6O,EAAMwM,YA1MlC,IAwNrC,OAbArsC,IAAOpB,KAAP,6CAAyDytC,EAAzD,OAA2EsH,GAC3Ej2C,KAAKy0C,OAAQ,EACbz0C,KAAKw0C,QAAU,KACfrS,EAAMwM,YAAcsH,EAChB7J,GACFzR,EAAI5nB,QAAQC,IAAMzN,MAAO,CACvBhE,KAAMsE,IAAWoN,YACjBC,QAASpN,IAAaowC,sBACtB9iC,OAAO,EACPC,OAAQ,mDAAmDs7B,EAArD,OAAuEsH,EAC7E1mB,KAAM6c,IAGH6J,EAETD,EAAc7T,EAAMiJ,SAASljC,IAAIR,GAEnC,OAAO,G,EAOTouC,gBAAA,WAAmB,IACThkC,EAAuB9R,KAAvB8R,OAAQ6oB,EAAe36B,KAAf26B,IAAKwH,EAAUniC,KAAVmiC,MACfwM,EAAcxM,EAAMwM,YACpB2F,GAAct0C,KAAKs0C,YAAc,GAAK,EAG5C,GAFAt0C,KAAKs0C,WAAaA,EAEdA,EAAaxiC,EAAOqkC,cAAe,CACrC,IAAMF,EAAatH,EAAc2F,EAAaxiC,EAAOskC,YAErD9zC,IAAOpB,KAAP,8BAA0CytC,EAA1C,OAA4DsH,GAC5D9T,EAAMwM,YAAcsH,EAEpBtb,EAAI5nB,QAAQC,IAAMzN,MAAO,CACvBhE,KAAMsE,IAAWoN,YACjBC,QAASpN,IAAauwC,sBACtBjjC,OAAO,SAGT9Q,IAAOlB,MAAP,yDAAsEutC,EAAtE,UAA2F78B,EAAOqkC,cAAlG,WACAxb,EAAI5nB,QAAQC,IAAMzN,MAAO,CACvBhE,KAAMsE,IAAWoN,YACjBC,QAASpN,IAAaiwC,qBACtB3iC,OAAO,K,qIChOMkjC,G,oBAMnB,WAAa3b,GAA+B,6BAAlB9W,EAAkB,iCAAlBA,EAAkB,yBAC1C,uBAAM8W,GAAN,OAAc9W,KAAd,MANe0yB,gBAK2B,IAJpCC,WAA4B,KAIQ,EAHpCC,cAA+B,KAGK,EAFpCC,eAAiB,EAIvB,EAAKH,WAAa,EAAKI,KAAKr2C,KAAV,OAFwB,E,kHAQlC06B,oBAAV,WAEEh7B,KAAK42C,gBACL52C,KAAK62C,iB,EAMAC,YAAP,WACE,QAAS92C,KAAKy2C,e,EAMTM,YAAP,WACE,QAAS/2C,KAAKw2C,Y,EAOTQ,YAAP,SAAoBC,GAClB,OAAKj3C,KAAKy2C,gBACRz2C,KAAKy2C,cAAgBlsC,KAAKysC,YAAYh3C,KAAKu2C,WAAYU,IAChD,I,EAQJJ,cAAP,WACE,QAAI72C,KAAKy2C,gBACPlsC,KAAKssC,cAAc72C,KAAKy2C,eACxBz2C,KAAKy2C,cAAgB,MACd,I,EAQJG,cAAP,WACE,QAAI52C,KAAKw2C,aACPjsC,KAAK2sC,aAAal3C,KAAKw2C,YACvBx2C,KAAKw2C,WAAa,MACX,I,EAUJG,KAAP,WACE32C,KAAK02C,iBACuB,IAAxB12C,KAAK02C,iBACP12C,KAAKm3C,SAGDn3C,KAAK02C,eAAiB,IAExB12C,KAAK42C,gBACL52C,KAAKw2C,WAAajsC,KAAK6sC,WAAWp3C,KAAKu2C,WAAY,IAErDv2C,KAAK02C,eAAiB,I,EAQhBS,OAAV,a,GA9FoCzc,GC3B/B,IAAM2c,GACF,UADEA,GAED,WAFCA,GAGL,OAHKA,GAIH,SAJGA,GAKE,cALFA,GAMG,eANHA,GAOiB,6BAPjBA,GAQI,gBARJA,GASF,UATEA,GAUH,SAVGA,GAWM,kBAXNA,GAYJ,QAZIA,GAaJ,QAbIA,GAcO,mBAdPA,GAeI,gBAGIC,G,wLACnBH,OAAA,a,EAEAI,UAAA,a,EAEAC,SAAA,WACE,IAAIjoB,EAAOvvB,KAAKy3C,YACZloB,IACEA,EAAK2N,QACP3N,EAAK2N,OAAOiJ,QAEdnmC,KAAKq0C,gBAAgBvI,eAAevc,IAElCvvB,KAAKkzB,UACPlzB,KAAKkzB,QAAQxhB,UACb1R,KAAKkzB,QAAU,MAEjBlzB,KAAKy3C,YAAc,KACnBz3C,KAAK8zC,aAAe,KACpB9zC,KAAK62C,gBACL72C,KAAK42C,gBACL52C,KAAKiyB,MAAQolB,I,EAGfK,aAAA,SAAc9J,EAAYzF,GAAc,IAC9BsP,EAAiCz3C,KAAjCy3C,YAAapD,EAAoBr0C,KAApBq0C,gBAKrB,IAAKlM,EAAahK,MAAQsZ,IAAgBA,EAAYpG,aAAeoG,EAAY3/B,KAAOqwB,EAAalK,QAAU2P,EAAWI,UAAW,CACnI,IAAM2J,EAAYtD,EAAgB3H,SAAS+K,GAC3C,OAAOE,IAAc/M,GAAyB+M,IAAc/M,EAE9D,OAAO,G,EAGTgN,eAAA,WAAkB,IACR9lC,EAAsC9R,KAAtC8R,OAAQqwB,EAA8BniC,KAA9BmiC,MAAO0V,EAAuB73C,KAAvB63C,YAAa5lB,EAAUjyB,KAAViyB,MAC9B0c,EAAcxM,EAAQA,EAAMwM,YAAc,KAC1Cf,EAAaF,EAAaE,WAAWiK,GAAe1V,EAAOwM,EAAa3uC,KAAK8R,OAAOsO,eAM1F,GAJI,YAAgBuuB,IAClBrsC,IAAOrB,IAAP,oBAA+B0tC,EAAYuD,QAAQ,IAGjDjgB,IAAUolB,GAAoB,CAChC,IAAII,EAAcz3C,KAAKy3C,YAEvB,GAAuB,IAAnB7J,EAAW1jC,KAAautC,EAAa,CACvC,IAAMK,EAAYhmC,EAAO48B,uBACnBqJ,EAAkBN,EAAYv1B,MAAQ41B,EACtCE,EAAgBP,EAAYv1B,MAAQu1B,EAAYjgC,SAAWsgC,EAE7DnJ,EAAcoJ,GAAmBpJ,EAAcqJ,GAC7CP,EAAYva,SACd56B,IAAOrB,IAAI,mFACXw2C,EAAYva,OAAOiJ,SAErBnmC,KAAKy3C,YAAc,KACnBz3C,KAAK8zC,aAAe,KAEpB9zC,KAAKiyB,MAAQolB,IAEb/0C,IAAOrB,IAAI,8EAGNgxB,IAAUolB,KAEI,IAAnBzJ,EAAW1jC,MACblK,KAAK8zC,aAAe,KACpB9zC,KAAKy3C,YAAc,MAIrBz3C,KAAKiyB,MAAQolB,IAEXlV,IACFniC,KAAK40C,gBAAkBjG,GAIpB3uC,KAAKi4C,iBACRj4C,KAAKk4C,iBAAmBl4C,KAAKm4C,cAAgBxJ,GAI/C3uC,KAAK22C,Q,EAGPyB,aAAA,WAEEp4C,KAAKm4C,cAAgBn4C,KAAK40C,gBAAkB,G,EAG9C5Z,oBAAA,WACEh7B,KAAKw3C,WACL,YAAMxc,oBAAN,Y,EAGFE,mBAAA,WACEl7B,KAAKiyB,MAAQolB,GACbr3C,KAAKq0C,gBAAkB,M,EAGzBgE,oBAAA,SAAqBjG,EAASjK,GAC5B,IAAImQ,OAAiD3mC,IAAjC3R,KAAK8R,OAAOymC,iBAAiCv4C,KAAK8R,OAAOymC,iBAAmBv4C,KAAK8R,OAAO0mC,sBAAwBrQ,EAAa3J,eACjJ,OAAO4T,EAAU7rC,KAAK0V,IAAI,EAAGksB,EAAa1J,cAAgB6Z,I,GA3GZhC,I,uKCHlD,IAozCemC,G,oBAjzCb,WAAa9d,EAAK0Z,GAAiB,aACjC,cAAM1Z,EACJ3nB,IAAMvQ,eACNuQ,IAAMtQ,gBACNsQ,IAAM5P,iBACN4P,IAAM1P,gBACN0P,IAAMtP,aACNsP,IAAMtN,WACNsN,IAAMpO,YACNoO,IAAMrO,4BACNqO,IAAMlO,0BACNkO,IAAM/N,kBACN+N,IAAM9N,YACN8N,IAAMzN,MACNyN,IAAMjP,sBACNiP,IAAMhP,qBACNgP,IAAMlQ,eACNkQ,IAAMhQ,gBACNgQ,IAAM7P,iBAjBR,MAmBKkxC,gBAAkBA,EACvB,EAAKviC,OAAS6oB,EAAI7oB,OAClB,EAAK4mC,gBAAiB,EACtB,EAAKC,OAAStB,GACd,EAAK9C,eAAgB,EACrB,EAAKqE,cAAgB,KACrB,EAAKC,UAAW,EA1BiB,E,wHA6BnCtB,UAAA,SAAWY,GACT,GAAIn4C,KAAKmhC,OAAQ,CACf,IAAIyT,EAAkB50C,KAAK40C,gBAAiBja,EAAM36B,KAAK26B,IAKvD,GAJA36B,KAAKw3C,WACLx3C,KAAKg3C,YApCW,KAqChBh3C,KAAKg9B,OAAS,EACdh9B,KAAK84C,cAAgB,GAChB94C,KAAK+4C,mBAAoB,CAE5B,IAAIC,EAAare,EAAIqe,YACD,IAAhBA,IAEFA,EAAa,EACbh5C,KAAK4sC,aAAc,GAIrB5sC,KAAKg9B,MAAQrC,EAAIse,cAAgBD,EACjCh5C,KAAKi4C,gBAAiB,EAGpBrD,EAAkB,IAAwB,IAAnBuD,IACzB71C,IAAOrB,IAAP,gDAA2D2zC,EAAgB1C,QAAQ,IACnFiG,EAAgBvD,GAElB50C,KAAKiyB,MAAQolB,GACbr3C,KAAKk4C,iBAAmBl4C,KAAKm4C,cAAgBn4C,KAAK40C,gBAAkBuD,EACpEn4C,KAAK22C,YAEL32C,KAAKk5C,gBAAiB,EACtBl5C,KAAKiyB,MAAQolB,I,EAIjBG,SAAA,WACEx3C,KAAKk5C,gBAAiB,EACtB,YAAM1B,SAAN,Y,EAGFL,OAAA,WACE,OAAQn3C,KAAKiyB,OACb,KAAKolB,GAEHr3C,KAAK84C,cAAgB,EACrB,MACF,KAAKzB,GACHr3C,KAAKm5C,cACL,MACF,KAAK9B,GACH,IAAIra,EAAQh9B,KAAKmhC,OAAOnhC,KAAKg9B,OAEzBA,GAASA,EAAM9pB,UACjBlT,KAAKiyB,MAAQolB,IAGf,MACF,KAAKA,GACH,IAAI/wB,EAAMhc,OAAOyoB,YAAYzM,MACzB8yB,EAAYp5C,KAAKo5C,YAEhBA,GAAc9yB,GAAO8yB,GAAep5C,KAAKmiC,OAASniC,KAAKmiC,MAAMuS,WAChEpyC,IAAOrB,IAAI,iEACXjB,KAAKiyB,MAAQolB,IAcjBr3C,KAAKq5C,eAELr5C,KAAKs5C,yB,EAMPH,YAAA,WACE,IAAMxe,EAAM36B,KAAK26B,IACf7oB,EAAS6oB,EAAI7oB,OACbqwB,EAAQniC,KAAKmiC,MAKf,QAA6BxwB,IAAzB3R,KAAKu5C,kBACNpX,IAAUniC,KAAK+4C,oBAAuBjnC,EAAO0nC,mBADhD,CAMA,IAAI5nB,EAEFA,EADE5xB,KAAKi4C,eACD9V,EAAMwM,YAEN3uC,KAAKk4C,iBAIb,IAAIlb,EAAQrC,EAAIse,cACdQ,EAAYz5C,KAAKmhC,OAAOnE,GAE1B,GAAKyc,EAAL,CAIA,IACEC,EADEC,EAAeF,EAAU7X,QAK3B8X,EADEC,EACUpzC,KAAK0V,IAAI,EAAInK,EAAO8nC,cAAgBD,EAAc7nC,EAAO+nC,iBAEzD/nC,EAAO+nC,gBAGrBH,EAAYnzC,KAAKgX,IAAIm8B,EAAW5nC,EAAOgoC,oBAKvC,IAAMlM,EAAaF,EAAaE,WAAW5tC,KAAK63C,YAAc73C,KAAK63C,YAAc1V,EAAOvQ,EAAK9f,EAAOsO,eAClGkuB,EAAYV,EAAW1jC,IAEzB,KAAIokC,GAAaoL,GAAjB,CAKAp3C,IAAOvB,MAAP,oBAAiCutC,EAAU4D,QAAQ,GAAnD,oBAAyEwH,EAAUxH,QAAQ,GAA3F,mCAGAlyC,KAAKg9B,MAAQrC,EAAIse,cAAgBjc,EAEjC,IAAMmL,EAAesR,EAAUvmC,QAI/B,IAAKi1B,GAAiBA,EAAahK,MAAQn+B,KAAKu5C,kBAAoBvc,EAClEh9B,KAAKiyB,MAAQolB,OADf,CAKA,GAAIr3C,KAAK03C,aAAa9J,EAAYzF,GAAe,CAC/C,IAAMrhC,EAAO,GAOb,OANI9G,KAAK64C,WACP/xC,EAAKvF,KAAO,SAGdvB,KAAK26B,IAAI5nB,QAAQC,IAAM/P,WAAY6D,QACnC9G,KAAKiyB,MAAQolB,IAIfr3C,KAAK+5C,mBAAmBnoB,EAAKgc,EAAYzF,Q,EAG3C4R,mBAAA,SAAoBnoB,EAAKgc,EAAYzF,GACnC,IAAM2L,EAAe9zC,KAAK8zC,aACxB9W,EAAQh9B,KAAKg9B,MACbkB,EAAYiK,EAAajK,UACzB8b,EAAU9b,EAAUl3B,OAGtB,GAAgB,IAAZgzC,EAAJ,CAKA,IAGEzqB,EAHErN,EAAQgc,EAAU,GAAGhc,MACvBha,EAAMg2B,EAAU8b,EAAU,GAAG93B,MAAQgc,EAAU8b,EAAU,GAAGxiC,SAC5Dg3B,EAAYZ,EAAW1lC,IAGzB,GAAIigC,EAAanuB,cAAgBmuB,EAAanuB,YAAYlT,KACxDyoB,EAAO4Y,EAAanuB,iBAGpB,GAAImuB,EAAahK,KAAM,CACrB,IAAI8b,EAA0Bj6C,KAAK8R,OAAOmoC,wBAC1C,GAAID,EAAUC,EAEZ,YADA33C,IAAOpB,KAAP,mEAA+E84C,EAA/E,MAA4FC,GAM9F,GAAa,QAFb1qB,EAAOvvB,KAAKk6C,2BAA2B/R,EAAcqG,EAAWtsB,EAAOha,EAAK4rC,EAAc5V,EAAW8b,IAGnG,YAIExL,EAAYtsB,IACdqN,EAAO2O,EAAU,IAIlB3O,IACHA,EAAOvvB,KAAKm6C,cAAcj4B,EAAO4xB,EAAckG,EAAS9b,EAAWsQ,EAAWtmC,EAAKigC,IAGjF5Y,IACEA,EAAK6qB,WACP93C,IAAOrB,IAAP,mBAA8BsuB,EAAKzX,GAAnC,QAA6CqwB,EAAa7J,QAA1D,KAAsE6J,EAAalK,MAAnF,WAAmGjB,GACnGh9B,KAAKq6C,SAAS9qB,KAEdjtB,IAAOrB,IAAP,WAAsBsuB,EAAKzX,GAA3B,QAAqCqwB,EAAa7J,QAAlD,KAA8D6J,EAAalK,MAA3E,WAA2FjB,EAA3F,iBAAiHpL,EAAIsgB,QAAQ,GAA7H,cAA6I1D,EAAU0D,QAAQ,IAC/JlyC,KAAKs6C,cAAc/qB,O,EAKzB2qB,2BAAA,SAA4B/R,EAAcqG,EAAWtsB,EAAOha,EAAK4rC,EAAc5V,EAAW8b,GACxF,IAEIzqB,EAFEzd,EAAS9R,KAAK26B,IAAI7oB,OAAQqwB,EAAQniC,KAAKmiC,MAMzCoY,OAA+C5oC,IAAlCG,EAAO0oC,uBAAuC1oC,EAAO0oC,uBAAyB1oC,EAAO2oC,4BAA8BtS,EAAa3J,eAEjJ,GAAIgQ,EAAYjoC,KAAK0V,IAAIiG,EAAQpQ,EAAO48B,uBAAwBxmC,EAAMqyC,GAAa,CACjF,IAAIG,EAAmB16C,KAAK06C,iBAAmB16C,KAAKq4C,oBAAoBn2B,EAAOimB,GAC/EqG,EAAYkM,EACRvY,IAAUA,EAAM8S,QAAU9S,EAAMwY,YAAcxY,EAAM3qB,SAAWkjC,GAAoBA,EAAmBvY,EAAMwM,cAC9GrsC,IAAOrB,IAAP,eAA0ButC,EAAU0D,QAAQ,GAA5C,qFAAmIwI,EAAiBxI,QAAQ,IAC5J/P,EAAMwM,YAAc+L,GAGtB16C,KAAKk4C,iBAAmBwC,EAa1B,GAAIvS,EAAayI,UAAYpC,EAAYtmC,GAAOi6B,GAASA,EAAMwY,WAC7D,OAAO,KAGT,GAAI36C,KAAK+4C,qBAAuB5Q,EAAayI,SAAU,CAKrD,GAAIkD,EACF,GAAI3L,EAAakL,mBAEf/wC,IAAOrB,IAAP,+DAA0E6yC,EAAarX,iBACvFlN,EAAOikB,GAAkBtV,EAAW4V,EAAa3P,mBAAoBryB,EAAO48B,4BACvE,CAEL,IAAMkM,EAAW9G,EAAah8B,GAAK,EACnC,GAAI8iC,GAAYzS,EAAa7J,SAAWsc,GAAYzS,EAAalK,MAAO,CACtE,IAAM8V,EAAW7V,EAAU0c,EAAWzS,EAAa7J,SAC/CwV,EAAalX,KAAOmX,EAASnX,KAC/BrN,EAAOwkB,EACPzxC,IAAOrB,IAAP,8DAAyEsuB,EAAKzX,KAK7EyX,IACHA,EAAO0d,EAAaC,OAAOhP,GAAW,SAAU3O,GAC9C,OAAOukB,EAAalX,GAAKrN,EAAKqN,QAG9Bt6B,IAAOrB,IAAP,8DAAyEsuB,EAAKzX,IAKjFyX,IAIHA,EAAO2O,EAAU33B,KAAKgX,IAAIy8B,EAAU,EAAGzzC,KAAKF,MAAM2zC,EAAU,KAC5D13C,IAAOrB,IAAP,kEAA6EsuB,EAAKzX,KAItF,OAAOyX,G,EAGT4qB,cAAA,SAAej4B,EAAO24B,EAAkBC,EAAoB5c,EAAWsQ,EAAWtmC,EAAKigC,GACrF,IACI4S,EADEjpC,EAAS9R,KAAK26B,IAAI7oB,OAGpB08B,EAAYtmC,EAId6yC,EAAelH,GAAkBgH,EAAkB3c,EAAWsQ,EAHrCA,EAAYtmC,EAAM4J,EAAO48B,uBAA0B,EAAI58B,EAAO48B,wBAMvFqM,EAAe7c,EAAU4c,EAAqB,GAGhD,GAAIC,EAAc,CAChB,IAAMC,EAAWD,EAAajjC,GAAKqwB,EAAa7J,QAC1C2c,EAAYJ,GAAoBE,EAAa/d,QAAU6d,EAAiB7d,MACxEke,EAAahd,EAAU8c,EAAW,GAClCG,EAAajd,EAAU8c,EAAW,GAGxC,GAAIH,GAAoBE,EAAajjC,KAAO+iC,EAAiB/iC,GAC3D,GAAImjC,IAAcF,EAAa1J,YAC7B,GAAI0J,EAAajjC,GAAKqwB,EAAalK,MAAO,CACxC,IAAI1B,EAAWse,EAAiBte,SAK5BA,GAAYA,EAAWzqB,EAAOsO,eAAiBy6B,EAAiBr6B,SAAWw6B,GAC7ED,EAAeG,EACf54C,IAAOpB,KAAK,4KAEZ65C,EAAeI,EACf74C,IAAOrB,IAAP,gCAA2C85C,EAAajjC,UAG1DijC,EAAe,UAERA,EAAa1J,cAElB8J,GAAcA,EAAW9J,aAC3B/uC,IAAOpB,KAAP,qCAAiDi6C,EAAWrjC,GAA5D,oCAAkGijC,EAAajjC,GAA/G,sBAAuIqjC,EAAWrjC,IAClJijC,EAAeI,IAIf74C,IAAOpB,KAAK,kFACZ65C,EAAav6B,QAAU,EACnB06B,GACFH,EAAeG,GACF7J,aAAc,EAClB2J,IAETD,EAAe,QAOzB,OAAOA,G,EAGTV,SAAA,SAAU9qB,GACRvvB,KAAKiyB,MAAQolB,GACbr3C,KAAK26B,IAAI5nB,QAAQC,IAAMvN,YAAa,CAAE8pB,U,EAGxC+qB,cAAA,SAAe/qB,GAEb,IAAIooB,EAAY33C,KAAKq0C,gBAAgB3H,SAASnd,GAE9CvvB,KAAKy3C,YAAcloB,EACH,gBAAZA,EAAKzX,KACP9X,KAAK+4C,oBAAqB,GAGxB,YAAgBxpB,EAAKzX,MAAQyX,EAAKqd,cACpC5sC,KAAKk4C,iBAAmB3oB,EAAKrN,MAAQqN,EAAK/X,UAIxC+X,EAAK8hB,aAAesG,IAAc/M,GAA4B+M,IAAc/M,GAC9Erb,EAAK6rB,UAAYp7C,KAAK26B,IAAI0gB,iBAC1B9rB,EAAKqd,YAAc5sC,KAAK4sC,YAExB5sC,KAAK26B,IAAI5nB,QAAQC,IAAMvO,aAAc,CAAE8qB,SAElCvvB,KAAKkzB,UACRlzB,KAAKkzB,QAAU,IAAI6b,EAAQ/uC,KAAK26B,IAAK,SAGvC36B,KAAKiyB,MAAQolB,IACJM,IAAc/M,GAEnB5qC,KAAKs7C,uBAAuB/rB,EAAK/X,WACnCxX,KAAKq0C,gBAAgBvI,eAAevc,I,EAkB1Cyb,gBAAA,SAAiB3iB,GACf,OAAOroB,KAAKq0C,gBAAgBrJ,gBAAgB3iB,EAAUmS,EAAkBmK,O,EAwB1E4W,sBAAA,SAAuBhsB,GACrB,OAAIA,EAEKvvB,KAAKgrC,gBAAgBzb,EAAKlT,OAAS,IAErC,M,EAYTi9B,sBAAA,WACE,IAAIkC,EAAoB7M,EAAarxB,EAAQtd,KAAKmiC,MAClD,GAAI7kB,GAASA,EAAMq9B,aAAgC,IAAlBr9B,EAAMo3B,WACrC/F,EAAcrxB,EAAMqxB,aAOF3uC,KAAK40C,kBACrB50C,KAAK40C,gBAAkBjG,GAGrBjB,EAAaC,WAAWrwB,EAAOqxB,GACjC6M,EAAqBx7C,KAAKgrC,gBAAgB2D,GACjCjB,EAAaC,WAAWrwB,EAAOqxB,EAAc,MAMtD6M,EAAqBx7C,KAAKgrC,gBAAgB2D,EAAc,KAEtD6M,GAAoB,CACtB,IAAIC,EAAcD,EAClB,GAAIC,IAAgBz7C,KAAKy7C,YAAa,CACpCz7C,KAAK26B,IAAI5nB,QAAQC,IAAM5N,aAAc,CAAEmqB,KAAMksB,IAC7C,IAAMC,EAAmBD,EAAYze,MAChCh9B,KAAKy7C,aAAez7C,KAAKy7C,YAAYze,QAAU0e,GAClD17C,KAAK26B,IAAI5nB,QAAQC,IAAMxP,eAAgB,CAAEw5B,MAAO0e,IAGlD17C,KAAKy7C,YAAcA,K,EAY3BE,qBAAA,WAEE,GADAr5C,IAAOrB,IAAI,yBACNjB,KAAK47C,gBAAiB,CACzB57C,KAAK47C,iBAAkB,EACvB,IAAwBC,EAApB1Z,EAAQniC,KAAKmiC,MACbA,GACF0Z,EAAmB1Z,EAAM8S,OACzB9S,EAAM2Z,SAGND,GAAmB,EAErB77C,KAAK67C,iBAAmBA,EAE1B,IAAIpE,EAAcz3C,KAAKy3C,YACnBA,GAAeA,EAAYva,QAC7Bua,EAAYva,OAAOiJ,QAGrBnmC,KAAKy3C,YAAc,KAEnBz3C,KAAK+7C,gBAAgB,EAAG/1C,OAAOg2C,oB,EAQjCC,wBAAA,WACE,IAAM9Z,EAAQniC,KAAKmiC,MACfA,GAASA,EAAMiJ,SAASpkC,SAC1BhH,KAAK47C,iBAAkB,EACnBlO,EAAaC,WAAWxL,EAAOA,EAAMwM,eAEvCxM,EAAMwM,aAAe,MAElB3uC,KAAK67C,kBACR1Z,EAAM+Z,S,EAWZC,gBAAA,WACE,IAAMha,EAAQniC,KAAKmiC,MAEnB,GAAIA,GAASA,EAAMwY,WAAY,CAC7B,IAAIyB,EAAYZ,EAAoBa,EAOpC,IANAb,EAAqBx7C,KAAKgrC,gBAAgB7I,EAAMwM,eACtB6M,EAAmBl/B,SAAW,GAGtDtc,KAAK+7C,gBAAgB,EAAGP,EAAmBl/B,SAAW,GAEnD6lB,EAAM8S,OASTmH,EAAa,MATI,CAEjB,IAAIE,EAAct8C,KAAK26B,IAAIse,cAAesD,EAAYv8C,KAAKmhC,OAAOmb,GAAcE,EAAex8C,KAAKw8C,aAElGJ,EADEI,GAAgBx8C,KAAKy3C,YACVz3C,KAAKy3C,YAAYjgC,SAAW+kC,EAAU3a,SAAW,IAAO4a,GAAgB,EAExE,EAQjB,IADAH,EAAmBr8C,KAAKgrC,gBAAgB7I,EAAMwM,YAAcyN,MAG1DC,EAAmBr8C,KAAKu7C,sBAAsBc,IACxB,CAEpB,IAAI5E,EAAcz3C,KAAKy3C,YACnBA,GAAeA,EAAYva,QAC7Bua,EAAYva,OAAOiJ,QAGrBnmC,KAAKy3C,YAAc,KAInBz3C,KAAK+7C,gBAAgBM,EAAiB5L,YAAazqC,OAAOg2C,sB,EAMlED,gBAAA,SAAiBU,EAAaC,GAC5B18C,KAAKiyB,MAAQolB,GACb,IAAIsF,EAAa,CAAEF,YAAaA,EAAaC,UAAWA,GAEpD18C,KAAK64C,WACP8D,EAAWp7C,KAAO,SAGpBvB,KAAK26B,IAAI5nB,QAAQC,IAAM9P,gBAAiBy5C,I,EAG1CC,gBAAA,SAAiB91C,GACf,IAAIq7B,EAAQniC,KAAKmiC,MAAQniC,KAAK63C,YAAc/wC,EAAKq7B,MACjDniC,KAAK68C,WAAa78C,KAAK43C,eAAet3C,KAAKN,MAC3CA,KAAK88C,UAAY98C,KAAK+8C,cAAcz8C,KAAKN,MACzCA,KAAKg9C,SAAWh9C,KAAKo4C,aAAa93C,KAAKN,MACvCmiC,EAAMhI,iBAAiB,UAAWn6B,KAAK68C,YACvC1a,EAAMhI,iBAAiB,SAAUn6B,KAAK88C,WACtC3a,EAAMhI,iBAAiB,QAASn6B,KAAKg9C,UACrC,IAAIlrC,EAAS9R,KAAK8R,OACd9R,KAAKmhC,QAAUrvB,EAAOmrC,eACxBj9C,KAAK26B,IAAI4c,UAAUzlC,EAAOqmC,eAG5Bn4C,KAAK44C,cAAgB,IAAIxE,GAActiC,EAAQqwB,EAAOniC,KAAKq0C,gBAAiBr0C,KAAK26B,M,EAGnFuiB,iBAAA,WACE,IAAI/a,EAAQniC,KAAKmiC,MACbA,GAASA,EAAM+S,QACjB5yC,IAAOrB,IAAI,sDACXjB,KAAKm4C,cAAgBn4C,KAAK40C,gBAAkB,GAI9C,IAAIzT,EAASnhC,KAAKmhC,OACdA,GACFA,EAAOh/B,SAAQ,SAAA66B,GACTA,EAAM9pB,SACR8pB,EAAM9pB,QAAQgrB,UAAU/7B,SAAQ,SAAA+J,GAC9BA,EAASmlC,iBAAc1/B,QAO3BwwB,IACFA,EAAMuN,oBAAoB,UAAW1vC,KAAK68C,YAC1C1a,EAAMuN,oBAAoB,SAAU1vC,KAAK88C,WACzC3a,EAAMuN,oBAAoB,QAAS1vC,KAAKg9C,UACxCh9C,KAAK68C,WAAa78C,KAAK88C,UAAY98C,KAAKg9C,SAAW,MAGrDh9C,KAAKq0C,gBAAgBrH,qBACrBhtC,KAAKmiC,MAAQniC,KAAK63C,YAAc,KAChC73C,KAAKi4C,gBAAiB,EACtBj4C,KAAKw3C,Y,EAGPuF,cAAA,WACE,IAAM5a,EAAQniC,KAAKmiC,MACbwM,EAAcxM,EAAQA,EAAMwM,iBAAch9B,EAChB3R,KAAK8R,OAA7BijC,qBAGqB/0C,KAAK44C,cAAc5D,+BAC9Ch1C,KAAK26B,IAAI5nB,QAAQC,IAAMpN,qBAGrB,YAAgB+oC,IAClBrsC,IAAOrB,IAAP,mBAA8B0tC,EAAYuD,QAAQ,IAIpDlyC,KAAK22C,Q,EAGPrR,kBAAA,WAEEhjC,IAAOrB,IAAI,wBACXjB,KAAK26B,IAAI5nB,QAAQC,IAAMpQ,cACvB5C,KAAKq0C,gBAAgBrH,qBACrBhtC,KAAKw0C,SAAU,EACfx0C,KAAKm4C,cAAgBn4C,KAAK40C,gBAAkB,G,EAG9CuI,iBAAA,SAAkBr2C,GAChB,IAAgC0M,EAA5B4pC,GAAM,EAAOC,GAAQ,EACzBv2C,EAAKq6B,OAAOh/B,SAAQ,SAAA66B,IAElBxpB,EAAQwpB,EAAMzX,eAEwB,IAAhC/R,EAAM5J,QAAQ,eAChBwzC,GAAM,IAG4B,IAAhC5pC,EAAM5J,QAAQ,eAChByzC,GAAQ,OAIdr9C,KAAKs9C,iBAAoBF,GAAOC,EAC5Br9C,KAAKs9C,kBACPh7C,IAAOrB,IAAI,0EAGbjB,KAAK64C,SAAW/xC,EAAK+xC,SACrB74C,KAAKmhC,OAASr6B,EAAKq6B,OACnBnhC,KAAK+4C,oBAAqB,EAC1B,IAAIjnC,EAAS9R,KAAK8R,QACdA,EAAOmrC,eAAiBj9C,KAAKk5C,iBAC/Bl5C,KAAK26B,IAAI4c,UAAUzlC,EAAOqmC,gB,EAI9BoF,cAAA,SAAez2C,GACb,IAAMiqC,EAAajqC,EAAKoM,QAClBsqC,EAAa12C,EAAKk2B,MAClBsV,EAAYtyC,KAAKmhC,OAAOnhC,KAAKu5C,iBAC7BkE,EAAWz9C,KAAKmhC,OAAOqc,GACvBhmC,EAAWu5B,EAAWtS,cACxB2T,EAAU,EAId,GAFA9vC,IAAOrB,IAAP,SAAoBu8C,EAApB,YAA0CzM,EAAWzS,QAArD,IAAgEyS,EAAW9S,MAA3E,cAA8FzmB,GAE1Fu5B,EAAW5S,KAAM,CACnB,IAAIwU,EAAa8K,EAASvqC,QACtBy/B,GAAc5B,EAAW7S,UAAUl3B,OAAS,GAE9C02C,GAAyB/K,EAAY5B,GACrCqB,EAAUrB,EAAW7S,UAAU,GAAGhc,MAClCliB,KAAK06C,iBAAmB16C,KAAKq4C,oBAAoBjG,EAASO,GACtD5B,EAAWH,UAAY,YAAgBwB,GACzC9vC,IAAOrB,IAAP,yBAAoCmxC,EAAQF,QAAQ,KAEpD5vC,IAAOrB,IAAI,iDACXoxC,GAAYryC,KAAK8zC,aAAcxB,EAAWvB,MAG5CzuC,IAAOrB,IAAI,+CACX8vC,EAAWH,UAAW,EACtByB,GAAYryC,KAAK8zC,aAAcxB,EAAWvB,SAG5CA,EAAWH,UAAW,EAOxB,GAJA6M,EAASvqC,QAAU69B,EACnB/wC,KAAKu5C,gBAAkBiE,EACvBx9C,KAAK26B,IAAI5nB,QAAQC,IAAMrP,cAAe,CAAEuP,QAAS69B,EAAY/T,MAAOwgB,KAEpC,IAA5Bx9C,KAAK+4C,mBAA8B,CAErC,IAA4B,IAAxB/4C,KAAKm4C,gBAAkD,IAA1Bn4C,KAAK40C,gBAAwB,CAE5D,IAAIrW,EAAkBwS,EAAWxS,gBAC7B,YAAgBA,IACdA,EAAkB,IACpBj8B,IAAOrB,IAAP,8BAAyCs9B,EAAzC,qCACAA,EAAkB6T,EAAU56B,EAAW+mB,GAEzCj8B,IAAOrB,IAAP,gEAA2Es9B,GAC3Ev+B,KAAKm4C,cAAgB5Z,GAGjBwS,EAAW5S,MACbn+B,KAAKm4C,cAAgBn4C,KAAKq4C,oBAAoBjG,EAASrB,GACvDzuC,IAAOrB,IAAP,8BAAyCjB,KAAKm4C,gBAE9Cn4C,KAAKm4C,cAAgB,EAGzBn4C,KAAK40C,gBAAkB50C,KAAKm4C,cAE9Bn4C,KAAKk4C,iBAAmBl4C,KAAKm4C,cAG3Bn4C,KAAKiyB,QAAUolB,KACjBr3C,KAAKiyB,MAAQolB,IAIfr3C,KAAK22C,Q,EAGPgH,YAAA,WACM39C,KAAKiyB,QAAUolB,KACjBr3C,KAAKiyB,MAAQolB,GACbr3C,KAAK22C,S,EAIThK,aAAA,SAAc7lC,GAAM,IACV2wC,EAAoCz3C,KAApCy3C,YAAa9c,EAAuB36B,KAAvB26B,IAAKwG,EAAkBnhC,KAAlBmhC,OAAQgB,EAAUniC,KAAVmiC,MAC5Byb,EAAa92C,EAAKyoB,KACxB,GAAIvvB,KAAKiyB,QAAUolB,IACfI,GACoB,SAApBmG,EAAWr8C,MACXq8C,EAAW5gB,QAAUya,EAAYza,OACjC4gB,EAAW9lC,KAAO2/B,EAAY3/B,GAAI,CACpC,IAAM0b,EAAQ1sB,EAAK0sB,MACbqqB,EAAe1c,EAAOsW,EAAYza,OAClC9pB,EAAU2qC,EAAa3qC,QAQ7B,GAJAlT,KAAK4sC,aAAc,EACnB5sC,KAAKwzB,MAAQA,EAEblxB,IAAOrB,IAAP,UAAqBw2C,EAAY3/B,GAAjC,QAA2C5E,EAAQorB,QAAnD,KAA+DprB,EAAQ+qB,MAAvE,WAAuFwZ,EAAYza,OAC/F4gB,EAAWhR,aAAejS,EAAIse,cAEhCj5C,KAAKiyB,MAAQolB,GACbr3C,KAAK+4C,oBAAqB,EAC1BvlB,EAAM6U,QAAU7U,EAAMsqB,UAAYxzC,OAAOyoB,YAAYzM,MACrDqU,EAAI5nB,QAAQC,IAAM7N,cAAe,CAAEquB,MAAOA,EAAOjE,KAAMkoB,EAAap+B,GAAI,SACxErZ,KAAK22C,YACA,GAAsB,gBAAlBiH,EAAW9lC,GACpB9X,KAAKiyB,MAAQolB,GACb7jB,EAAM6U,QAAU7U,EAAMsqB,UAAYxzC,OAAOyoB,YAAYzM,MACrDpT,EAAQ8G,YAAYlT,KAAOA,EAAKqQ,QAChCwjB,EAAI5nB,QAAQC,IAAM7N,cAAe,CAAEquB,MAAOA,EAAOjE,KAAMkoB,EAAap+B,GAAI,SACxErZ,KAAK22C,WACA,CACLr0C,IAAOrB,IAAP,WAAsBw2C,EAAY3/B,GAAlC,QAA4C5E,EAAQorB,QAApD,KAAgEprB,EAAQ+qB,MAAxE,WAAwFwZ,EAAYza,MAApG,QAAiHya,EAAY7a,IAC7H58B,KAAKiyB,MAAQolB,GACbr3C,KAAK+9C,kBAAmB,EACxB/9C,KAAKg+C,UAAW,EAIZJ,EAAWhR,cACbgR,EAAWhR,aAAc,EACzB5sC,KAAKq0C,gBAAgB1H,aAAa,CAChCpd,KAAMquB,KAKV,IAAMpiC,IAAuB2mB,GAASA,EAAMuS,WAAaxhC,EAAQ09B,WAAa19B,EAAQirB,MAChF8f,EAAkB/qC,EAAQ8G,YAAc9G,EAAQ8G,YAAYlT,KAAO,GACnEye,EAAavlB,KAAKk+C,eAAeL,IAGvB79C,KAAKkzB,QAAUlzB,KAAKkzB,SAAW,IAAI6b,EAAQ/uC,KAAK26B,IAAK,SAC7DtyB,KACNvB,EAAKqQ,QACL8mC,EACA14B,EACAs4B,EAAap3B,WACbgxB,EACAvkC,EAAQurB,cACRjjB,IAINxb,KAAK84C,cAAgB,G,EAGvBqF,yBAAA,SAA0Br3C,GACxB,IAAM2wC,EAAcz3C,KAAKy3C,YACnB2G,EAAUt3C,EAAKyoB,KAErB,GAAIkoB,GACY,SAAZ3wC,EAAKuS,IACL+kC,EAAQtmC,KAAO2/B,EAAY3/B,IAC3BsmC,EAAQphB,QAAUya,EAAYza,OAC9Bh9B,KAAKiyB,QAAUolB,GAAe,CAChC,IAA0BgH,EAAWzmC,EAAjCI,EAASlR,EAAKkR,OASlB,GANIA,EAAOoF,OAASpd,KAAK64C,iBAChB7gC,EAAOoF,MAIhBxF,EAAQI,EAAOoF,MACJ,CACT,IAAImI,EAAavlB,KAAKmhC,OAAOnhC,KAAKg9B,OAAOzX,WACvC+4B,EAAK9jC,UAAUD,UAAUkG,cACvB8E,GAAcvlB,KAAK04C,iBACrBp2C,IAAOrB,IAAI,iCAETskB,GADuC,IAArCA,EAAW3b,QAAQ,aACR,YAEA,aAOb5J,KAAKs9C,kBAE6B,IAAhC1lC,EAAMyF,SAAS5J,eAEU,IAA3B6qC,EAAG10C,QAAQ,aACX2b,EAAa,cAIc,IAA3B+4B,EAAG10C,QAAQ,YAAyC,eAApBgO,EAAMoF,YACxCuI,EAAa,YACbjjB,IAAOrB,IAAP,iCAA4CskB,IAE9C3N,EAAM2mC,WAAah5B,EACnB3N,EAAMyB,GAAKvS,EAAKuS,GASlB,IAAKglC,KAPLzmC,EAAQI,EAAOsF,SAEb1F,EAAM2mC,WAAav+C,KAAKmhC,OAAOnhC,KAAKg9B,OAAOvW,WAC3C7O,EAAMyB,GAAKvS,EAAKuS,IAElBrZ,KAAK26B,IAAI5nB,QAAQC,IAAMnQ,cAAemV,GAEpBA,EAAQ,CACxBJ,EAAQI,EAAOqmC,GACf/7C,IAAOrB,IAAP,cAAyBo9C,EAAzB,cAAgDzmC,EAAMoF,UAAtD,0BAAyFpF,EAAM2mC,WAA/F,IAA6G3mC,EAAMpE,MAAnH,KACA,IAAIwG,EAAcpC,EAAMoC,YACpBA,IACFha,KAAKg+C,UAAW,EAEhBh+C,KAAK+9C,kBAAmB,EACxB/9C,KAAK26B,IAAI5nB,QAAQC,IAAMjQ,iBAAkB,CAAExB,KAAM88C,EAAWv3C,KAAMkT,EAAawkC,OAAQ,OAAQC,QAAS,iBAI5Gz+C,KAAK22C,S,EAIT+H,kBAAA,SAAmB53C,GAAM,WACjB2wC,EAAcz3C,KAAKy3C,YACnB2G,EAAUt3C,EAAKyoB,KACrB,GAAIkoB,GACY,SAAZ3wC,EAAKuS,IACL+kC,EAAQtmC,KAAO2/B,EAAY3/B,IAC3BsmC,EAAQphB,QAAUya,EAAYza,QACd,UAAdl2B,EAAKvF,OAAoBvB,KAAK64C,WAChC74C,KAAKiyB,QAAUolB,GAAe,CAChC,IAAIra,EAAQh9B,KAAKmhC,OAAOnhC,KAAKg9B,OAC3BzN,EAAOkoB,EAiBT,GAhBK,YAAgB3wC,EAAKuV,UACxBvV,EAAKuV,OAASvV,EAAKwV,SAAWm7B,EAAYjgC,SAC1C1Q,EAAK+Z,OAAS/Z,EAAK8Z,SAAW62B,EAAYjgC,WAGtB,IAAlB1Q,EAAKga,UACPyO,EAAKgO,oBAAoB9B,EAAsBY,QAG3B,IAAlBv1B,EAAKia,UACPwO,EAAKgO,oBAAoB9B,EAAsBa,OAGjDh6B,IAAOrB,IAAP,UAAqB6F,EAAKvF,KAA1B,SAAuCuF,EAAKwV,SAAS41B,QAAQ,GAA7D,IAAmEprC,EAAKuV,OAAO61B,QAAQ,GAAvF,UAAmGprC,EAAK8Z,SAASsxB,QAAQ,GAAzH,IAA+HprC,EAAK+Z,OAAOqxB,QAAQ,GAAnJ,QAA6JprC,EAAKka,GAAlK,aAAgLla,EAAK0Z,SAAW,IAG9K,UAAd1Z,EAAKvF,KAEP,GADAguB,EAAK/O,QAAU1Z,EAAK0Z,QAChB+O,EAAK/O,QACP,GAAK+O,EAAK8hB,YAkBR/uC,IAAOpB,KAAK,+DAAgEquB,EAAKzX,QAlB5D,CACrB,IAAMqwB,EAAenL,EAAM9pB,QAC3B,IAAIi1B,GAAgB5Y,EAAKzX,KAAOqwB,EAAa7J,QAa3C,OAVAh8B,IAAOpB,KAAK,gDAAiDquB,EAAKzX,IAIlE9X,KAAKq0C,gBAAgBvI,eAAevc,GACpCA,EAAK8hB,aAAc,EACnBrxC,KAAKk4C,iBAAmBpxC,EAAKwV,SAC7Btc,KAAKiyB,MAAQolB,GACbr3C,KAAK8zC,aAAevkB,OACpBvvB,KAAK22C,OAXLr0C,IAAOpB,KAAK,2DAA4DquB,EAAKzX,SAmBjFyX,EAAK8hB,aAAc,EAIvB,IAAIX,EAAQgN,GAA6B1gB,EAAM9pB,QAASqc,EAAMzoB,EAAKwV,SAAUxV,EAAKuV,OAAQvV,EAAK8Z,SAAU9Z,EAAK+Z,QAC5G8Z,EAAM36B,KAAK26B,IACbA,EAAI5nB,QAAQC,IAAMpP,kBAAmB,CAAEsP,QAAS8pB,EAAM9pB,QAAS8pB,MAAOh9B,KAAKg9B,MAAO0T,MAAOA,EAAOnvC,KAAMuF,EAAKvF,KAAM2gB,MAAOpb,EAAKwV,SAAUpU,IAAKpB,EAAKuV,SAEjJ,CAACvV,EAAK4Z,MAAO5Z,EAAK6Z,OAAOxe,SAAQ,SAAA8G,GAG3BA,GAAUA,EAAOjC,QAAU,EAAKirB,QAAUolB,KAC5C,EAAK2G,UAAW,EAEhB,EAAKD,kBAAmB,EACxBpjB,EAAI5nB,QAAQC,IAAMjQ,iBAAkB,CAAExB,KAAMuF,EAAKvF,KAAMuF,KAAMmC,EAAQu1C,OAAQ,OAAQC,QAAS,aAIlGz+C,KAAK22C,S,EAITgI,aAAA,SAAc73C,GACZ,IAAM2wC,EAAcz3C,KAAKy3C,YACnB2G,EAAUt3C,EAAKyoB,KACjBkoB,GACY,SAAZ3wC,EAAKuS,IACL+kC,EAAQtmC,KAAO2/B,EAAY3/B,IAC3BsmC,EAAQphB,QAAUya,EAAYza,OAC9Bh9B,KAAKiyB,QAAUolB,KACjBr3C,KAAKwzB,MAAM6U,QAAU/9B,OAAOyoB,YAAYzM,MACxCtmB,KAAKiyB,MAAQolB,GACbr3C,KAAK4+C,yB,EAITC,sBAAA,SAAuB/3C,GAErB,IAAI+xC,IAAa/xC,EAAKuC,IACpBmsB,EAAU1uB,EAAKuS,GAIjB,IAAKw/B,EAAU,CACb,GAAI74C,KAAK63C,cAAgB73C,KAAKmiC,MAAO,CACnC7/B,IAAOrB,IAAI,iFACXjB,KAAK63C,YAAc73C,KAAKmiC,MACxB,IAAIsV,EAAcz3C,KAAKy3C,YAEnBA,EAAYva,SACd56B,IAAOrB,IAAI,4DACXw2C,EAAYva,OAAOiJ,SAErBnmC,KAAKy3C,YAAc,KACnBz3C,KAAK8zC,aAAe,KAEhB9zC,KAAKkzB,UACPlzB,KAAKkzB,QAAQxhB,UACb1R,KAAKkzB,QAAU,MAGjBlzB,KAAKiyB,MAAQolB,GAEf,IAAI1c,EAAM36B,KAAK26B,IAEfA,EAAI5nB,QAAQC,IAAM9P,gBAAiB,CAAEu5C,YAAa,EAAGC,UAAW12C,OAAOg2C,kBAAmBz6C,KAAM,UAChGo5B,EAAI5nB,QAAQC,IAAMhP,qBAAsB,CAAEqV,GAAImc,IAC9Cx1B,KAAK64C,UAAW,I,EAIpBiG,qBAAA,SAAsBh4C,GACpB,IAAI0uB,EAAU1uB,EAAKuS,GACjBw/B,IAAa74C,KAAK26B,IAAIkN,YAAYrS,GAASnsB,IAC7C,GAAIwvC,EAAU,CACZ,IAAIkG,EAAc/+C,KAAK++C,YAEnBA,GAAe/+C,KAAK63C,cAAgBkH,IACtCz8C,IAAOrB,IAAI,sFACXjB,KAAK63C,YAAckH,GAGvB/+C,KAAK64C,SAAWA,EAChB74C,KAAK22C,Q,EAGPqI,gBAAA,SAAiBl4C,GACf,IAA0Bm4C,EAAYlyC,EAAlCiL,EAASlR,EAAKkR,OAA0BknC,GAAY,EACxD,IAAK,IAAI39C,KAAQyW,EAAQ,CACvB,IAAIJ,EAAQI,EAAOzW,GACF,SAAbqW,EAAMyB,IACRtM,EAAOxL,EACP09C,EAAarnC,EAEA,UAATrW,IACFvB,KAAK++C,YAAc/mC,EAAOzW,GAAM0H,SAGlCi2C,GAAY,EAGZA,GAAaD,GACf38C,IAAOrB,IAAP,8BAAyC8L,EAAzC,+CACA/M,KAAK63C,YAAcoH,EAAWh2C,QAE9BjJ,KAAK63C,YAAc73C,KAAKmiC,O,EAI5B0K,iBAAA,SAAkB/lC,GAChB,GAAoB,SAAhBA,EAAK03C,OAAmB,CAC1B,IAAMvsB,EAAQjyB,KAAKiyB,MACfA,IAAUolB,IAAiBplB,IAAUolB,KAEvCr3C,KAAK+9C,iBAAoBj3C,EAAKq4C,QAAU,EACxCn/C,KAAK4+C,0B,EAKXA,qBAAA,WAEE,KAAI5+C,KAAKiyB,QAAUolB,IAAkBr3C,KAAKg+C,UAAah+C,KAAK+9C,kBAAmB,CAC7E,IAAMxuB,EAAOvvB,KAAKy3C,YAClB,GAAIloB,EAAM,CACR,IAAM4S,EAAQniC,KAAK63C,YAAc73C,KAAK63C,YAAc73C,KAAKmiC,MACzD7/B,IAAOrB,IAAP,mBAA8BgxC,GAAW9gB,SAASgR,EAAMiJ,WACxDprC,KAAK8zC,aAAevkB,EACpB,IAAMiE,EAAQxzB,KAAKwzB,MACnBA,EAAMsqB,UAAYxzC,OAAOyoB,YAAYzM,MAErCtmB,KAAKw8C,aAAej2C,KAAKF,MAAM,EAAImtB,EAAM4rB,OAAS5rB,EAAMsqB,UAAYtqB,EAAM6rB,SAC1Er/C,KAAK26B,IAAI5nB,QAAQC,IAAM7N,cAAe,CAAEquB,MAAOA,EAAOjE,KAAMA,EAAMlW,GAAI,SACtErZ,KAAKiyB,MAAQolB,GAEfr3C,KAAK22C,S,EAIT3P,QAAA,SAASlgC,GACP,IAAIyoB,EAAOzoB,EAAKyoB,MAAQvvB,KAAKy3C,YAE7B,IAAIloB,GAAsB,SAAdA,EAAKhuB,KAAjB,CAKA,IAAI+9C,IAAkBt/C,KAAKmiC,OAASuL,EAAaC,WAAW3tC,KAAKmiC,MAAOniC,KAAKmiC,MAAMwM,cAAgBjB,EAAaC,WAAW3tC,KAAKmiC,MAAOniC,KAAKmiC,MAAMwM,YAAc,IAEhK,OAAQ7nC,EAAKoM,SACb,KAAKpN,IAAaqkC,gBAClB,KAAKrkC,IAAaskC,kBAClB,KAAKtkC,IAAa4kC,eAClB,KAAK5kC,IAAa6kC,iBAChB,IAAK7jC,EAAKsM,MAER,GAAKpT,KAAK84C,cAAgB,GAAM94C,KAAK8R,OAAOytC,oBAAqB,CAE/D,IAAIC,EAAQj5C,KAAKgX,IAAIhX,KAAKoN,IAAI,EAAG3T,KAAK84C,eAAiB94C,KAAK8R,OAAO24B,sBAAuBzqC,KAAK8R,OAAOk4B,4BACtG1nC,IAAOpB,KAAP,kDAA8Ds+C,EAA9D,OACAx/C,KAAKo5C,UAAY9uC,OAAOyoB,YAAYzM,MAAQk5B,EAIvCx/C,KAAKi4C,iBACRj4C,KAAK+4C,oBAAqB,EAC1B/4C,KAAKk4C,iBAAmBl4C,KAAKm4C,eAE/Bn4C,KAAK84C,gBACL94C,KAAKiyB,MAAQolB,QAEb/0C,IAAOlB,MAAP,oBAAiC0F,EAAKoM,QAAtC,+CAEApM,EAAKsM,OAAQ,EACbpT,KAAKiyB,MAAQolB,GAGjB,MACF,KAAKvxC,IAAaojC,iBAClB,KAAKpjC,IAAamjC,mBACZjpC,KAAKiyB,QAAUolB,KACbvwC,EAAKsM,OAEPpT,KAAKiyB,MAAQolB,GACb/0C,IAAOpB,KAAP,qBAAiC4F,EAAKoM,QAAtC,cAA2DlT,KAAKiyB,MAAhE,eAGKnrB,EAAK24C,YAAcz/C,KAAKiyB,QAAUolB,KACrCr3C,KAAKiyB,MAAQolB,KAInB,MACF,KAAKvxC,IAAa45C,kBAEI,SAAhB54C,EAAK03C,QAAsBx+C,KAAKiyB,QAAUolB,IAAiBr3C,KAAKiyB,QAAUolB,KAExEiI,GACFt/C,KAAKs7C,uBAAuBt7C,KAAK8R,OAAO+nC,iBACxC75C,KAAKiyB,MAAQolB,KAKb/0C,IAAOpB,KAAK,8EACZlB,KAAKy3C,YAAc,KAEnBz3C,KAAK+7C,gBAAgB,EAAG/1C,OAAOg2C,wB,EASvCV,uBAAA,SAAwBqE,GACtB,IAAI7tC,EAAS9R,KAAK8R,OAClB,OAAIA,EAAOgoC,oBAAsB6F,IAE/B7tC,EAAOgoC,oBAAsB,EAC7Bx3C,IAAOpB,KAAP,oCAAgD4Q,EAAOgoC,mBAAvD,MACO,I,EASXT,aAAA,WAAgB,IACNlX,EAAUniC,KAAVmiC,MACR,GAAKA,GAA8B,IAArBA,EAAMwY,WAApB,CAKA,IACMvP,GADcprC,KAAK63C,YAAc73C,KAAK63C,YAAc1V,GAC7BiJ,UAExBprC,KAAKi4C,gBAAkB7M,EAASpkC,QACnChH,KAAKi4C,gBAAiB,EACtBj4C,KAAK4/C,mBACI5/C,KAAK47C,gBACd57C,KAAKi8C,0BAELj8C,KAAK44C,cAAcjE,KAAK30C,KAAK40C,gBAAiBxJ,K,EAIlDyU,2BAAA,WACE7/C,KAAKiyB,MAAQolB,GAGRr3C,KAAKi4C,iBACRj4C,KAAK+4C,oBAAqB,EAC1B/4C,KAAKk4C,iBAAmBl4C,KAAKm4C,eAE/Bn4C,KAAK22C,Q,EAGPmJ,gBAAA,WAIE,IAAM3d,EAAQniC,KAAK63C,YAAc73C,KAAK63C,YAAc73C,KAAKmiC,MACrDA,GAEFniC,KAAKq0C,gBAAgB/I,uBAAuB7P,EAAsBa,MAAO6F,EAAMiJ,UAGjFprC,KAAKiyB,MAAQolB,GAEbr3C,KAAK8zC,aAAe,M,EAGtBiM,eAAA,WACE//C,KAAK04C,gBAAkB14C,KAAK04C,gB,EAM9BkH,gBAAA,WAAmB,IACTzd,EAAUniC,KAAVmiC,MACFwM,EAAcxM,EAAMwM,YAGpBwJ,EAAgBhW,EAAMuS,QAAU/F,EAAc3uC,KAAKm4C,cAErDxJ,IAAgBwJ,GAAiBA,GAAiB,IAEpD71C,IAAOrB,IAAP,iEAA4Ek3C,EAA5E,sBAA+GxJ,EAA/G,KACAxM,EAAMwM,YAAcwJ,I,EAIxB+F,eAAA,SAAgBL,GACd,IAAIt4B,EAAavlB,KAAK8R,OAAOkuC,mBAAqBnC,EAAat4B,WAY/D,OAXIvlB,KAAK04C,iBACPp2C,IAAOrB,IAAI,iCACPskB,IAEAA,GADuC,IAArCA,EAAW3b,QAAQ,aACR,YAEA,cAKZ2b,G,kCA13BE06B,GACT,GAAIjgD,KAAKiyB,QAAUguB,EAAW,CAC5B,IAAMC,EAAgBlgD,KAAKiyB,MAC3BjyB,KAAK24C,OAASsH,EACd39C,IAAOrB,IAAP,2BAAsCi/C,EAAtC,KAAwDD,GACxDjgD,KAAK26B,IAAI5nB,QAAQC,IAAMrN,wBAAyB,CAAEu6C,gBAAeD,gB,eAKnE,OAAOjgD,KAAK24C,S,mCAQZ,IAAIxW,EAAQniC,KAAKmiC,MACjB,GAAIA,EAAO,CACT,IAAM5S,EAAOvvB,KAAKgrC,gBAAgB7I,EAAMwM,aACxC,GAAIpf,EACF,OAAOA,EAAKyN,MAGhB,OAAQ,I,uCAIR,IAAImF,EAAQniC,KAAKmiC,MACjB,OAAIA,EAEKniC,KAAKu7C,sBAAsBv7C,KAAKgrC,gBAAgB7I,EAAMwM,cAEtD,O,gCAaT,IAAMpf,EAAOvvB,KAAKq8C,iBAClB,OAAI9sB,EACKA,EAAKyN,OAEJ,I,uCA20BV,OAAOh9B,KAAKmgD,mB,aAGQ//C,GACpBJ,KAAKmgD,kBAAoB//C,O,gCA/yCEk3C,I,uKCXPhtC,OAAhByoB,Y,IACJqtB,GAEiBC,G,oBACnB,WAAa1lB,GAAK,aAChB,cAAMA,EACJ3nB,IAAM3P,gBACN2P,IAAMtP,aACNsP,IAAMhP,qBACNgP,IAAMpO,YACNoO,IAAMzN,QALR,MAOK+6C,SAAU,EACf,EAAKC,kBAAoB,KACzB,EAAKC,kBAAoB,EACzB,EAAKC,MAAQ,KAEbL,GAAkB,iBAAiBv6B,KAAKrL,UAAUD,UAAUkG,eAb5C,E,wHAgBlBua,oBAAA,WACEh7B,KAAK0gD,aACL1gD,KAAKwgD,kBAAoB,G,EAG3BE,WAAA,WACqB,OAAf1gD,KAAKygD,QACPvJ,aAAal3C,KAAKygD,OAClBzgD,KAAKygD,MAAQ,O,EAIjBlJ,UAAA,WACE,IAAIpW,EAASnhC,KAAK2gD,QAElB3gD,KAAKsgD,SAAU,EACftgD,KAAK4gD,gBAAkB,EAGnBzf,GACFA,EAAOh/B,SAAQ,SAAA66B,GACbA,EAAM6jB,UAAY,EAClB,IAAM1Y,EAAenL,EAAM9pB,QACvBi1B,GAAgBA,EAAahK,OAC/BnB,EAAM9pB,aAAUvB,MAKH,OAAf3R,KAAKygD,OACPzgD,KAAK8gD,a,EAITtJ,SAAA,WACEx3C,KAAKsgD,SAAU,G,EAGjBS,iBAAA,SAAkBj6C,GAChB,IAEIk6C,EAFA7f,EAAS,GACT0G,EAAc,GAEdoZ,EAAW,GACXC,EAAe,KACfC,GAAkB,EAClBC,GAAkB,EAyDtB,GAtDAt6C,EAAKq6B,OAAOh/B,SAAQ,SAAA66B,GAClB,IAAMqkB,EAAarkB,EAAM6B,MACzB7B,EAAM6jB,UAAY,EAClB7jB,EAAMskB,eAAgB,EAEtBH,EAAkBA,KAAqBnkB,EAAMvW,WAC7C26B,EAAkBA,KAAqBpkB,EAAMzX,WAIzC66B,IAAmBpjB,EAAMzX,aAA0D,IAA5CyX,EAAMzX,WAAW3b,QAAQ,gBAClEozB,EAAMzX,gBAAa5T,IAGrBuvC,EAAeD,EAASjkB,EAAM4E,UAQ5Bsf,EAAa73C,IAAIhB,KAAK20B,EAAM3zB,MAL5B2zB,EAAM3zB,IAAM,CAAC2zB,EAAM3zB,KACnB2zB,EAAMD,MAAQ,EACdkkB,EAASjkB,EAAM4E,SAAW5E,EAC1BmE,EAAO94B,KAAK20B,IAKVqkB,IACEA,EAAWhlB,QACb+kB,GAAkB,EAClBrR,EAAWmR,GAAgBlkB,EAAO,QAASqkB,EAAWhlB,QAEpDglB,EAAWE,WACbxR,EAAWmR,GAAgBlkB,EAAO,OAAQqkB,EAAWE,eAMvDJ,GAAmBC,IACrBjgB,EAASA,EAAO5f,QAAO,sBAAGkF,eAI5B0a,EAASA,EAAO5f,QAAO,YAAgC,IAA7BgE,EAA6B,EAA7BA,WAAYkB,EAAiB,EAAjBA,WACpC,QAASlB,GAAcwa,EAAsBxa,EAAY,aAAekB,GAAcsZ,EAAsBtZ,EAAY,aAGtH3f,EAAK+gC,cACPA,EAAc/gC,EAAK+gC,YAAYtmB,QAAO,SAAA3J,GAAK,OAAKA,EAAM2N,YAAcwa,EAAsBnoB,EAAM2N,WAAY,aAEhGpjB,SAAQ,SAACyV,EAAO1O,GAC1B0O,EAAMyB,GAAKnQ,KAIXi4B,EAAOn6B,OAAS,EAAG,CAErBg6C,EAAe7f,EAAO,GAAGS,QAEzBT,EAAO3iB,MAAK,SAACC,EAAGC,GAAJ,OAAUD,EAAEmjB,QAAUljB,EAAEkjB,WACpC5hC,KAAK2gD,QAAUxf,EAEf,IAAK,IAAIz5B,EAAI,EAAGA,EAAIy5B,EAAOn6B,OAAQU,IACjC,GAAIy5B,EAAOz5B,GAAGk6B,UAAYof,EAAc,CACtChhD,KAAKwhD,YAAc95C,EACnBpF,IAAOrB,IAAP,mBAA8BkgC,EAAOn6B,OAArC,kCAA6Eg6C,GAC7E,MAKJhhD,KAAK26B,IAAI5nB,QAAQC,IAAM1P,gBAAiB,CACtC69B,SACA0G,cACA4Z,WAAYzhD,KAAKwhD,YACjBhuB,MAAO1sB,EAAK0sB,MACZpW,MAAOgkC,EACP9jC,MAAO6jC,EACPtI,SAAUhR,EAAY6Z,MAAK,SAAA1yC,GAAC,QAAMA,EAAE3F,cAGtCrJ,KAAK26B,IAAI5nB,QAAQC,IAAMzN,MAAO,CAC5BhE,KAAMsE,IAAWoN,YACjBC,QAASpN,IAAa67C,mCACtBvuC,OAAO,EACP/J,IAAKrJ,KAAK26B,IAAItxB,IACdgK,OAAQ,uD,EAuBduuC,iBAAA,SAAkBC,GAChB,IAAM1gB,EAASnhC,KAAK2gD,QACdhmB,EAAM36B,KAAK26B,IAEjB,GAAIknB,GAAY,GAAKA,EAAW1gB,EAAOn6B,OAAQ,CAG7C,GADAhH,KAAK0gD,aACD1gD,KAAKugD,oBAAsBsB,EAAU,CACvCv/C,IAAOrB,IAAP,sBAAiC4gD,GACjC7hD,KAAKugD,kBAAoBsB,EACzB,IAAMC,EAAkB3gB,EAAO0gB,GAC/BC,EAAgB9kB,MAAQ6kB,EACxBlnB,EAAI5nB,QAAQC,IAAMzP,gBAAiBu+C,GAErC,IAAM9kB,EAAQmE,EAAO0gB,GACf1Z,EAAenL,EAAM9pB,QAG3B,IAAKi1B,GAAgBA,EAAahK,KAAM,CAEtC,IAAIpB,EAAQC,EAAMD,MAClBpC,EAAI5nB,QAAQC,IAAMvP,cAAe,CAAE4F,IAAK2zB,EAAM3zB,IAAI0zB,GAAQC,MAAO6kB,EAAUxoC,GAAI0jB,UAIjFpC,EAAI5nB,QAAQC,IAAMzN,MAAO,CACvBhE,KAAMsE,IAAW01B,YACjBroB,QAASpN,IAAai8C,mBACtB/kB,MAAO6kB,EACPzuC,OAAO,EACPC,OAAQ,uB,EA+Cd2zB,QAAA,SAASlgC,GACP,GAAIA,EAAKsM,MACHtM,EAAKvF,OAASsE,IAAWgjC,eAC3B7oC,KAAK0gD,iBAFT,CAQA,IACIsB,EADAC,GAAa,EAAOX,GAAgB,EAIxC,OAAQx6C,EAAKoM,SACb,KAAKpN,IAAaqkC,gBAClB,KAAKrkC,IAAaskC,kBAClB,KAAKtkC,IAAa4kC,eAClB,KAAK5kC,IAAa6kC,iBAChBqX,EAAal7C,EAAKyoB,KAAKyN,MACvBskB,GAAgB,EAChB,MACF,KAAKx7C,IAAaojC,iBAClB,KAAKpjC,IAAamjC,mBAChB+Y,EAAal7C,EAAKgc,QAAQka,MAC1BilB,GAAa,EACb,MACF,KAAKn8C,IAAa2Z,kBAChBuiC,EAAal7C,EAAKk2B,MAClBilB,GAAa,OAIItwC,IAAfqwC,GACFhiD,KAAKkiD,aAAap7C,EAAMk7C,EAAYC,EAAYX,K,EAcpDY,aAAA,SAAcC,EAAYH,EAAYC,EAAYX,GAAe,IAI3Dc,EAAiB5C,EAAOjD,EAJmC,OACzDzqC,EAAW9R,KAAK26B,IAAhB7oB,OACSuwC,EAAiBF,EAA1BjvC,QACF8pB,EAAQh9B,KAAK2gD,QAAQqB,GAMzB,GAHAhlB,EAAM6jB,YACN7jB,EAAMskB,cAAgBA,EAElBW,EAAY,CACd,KAAKjiD,KAAK4gD,gBAAkB,GAAM9uC,EAAO20B,sBAgBvC,OANAnkC,IAAOlB,MAAP,yCAAsDihD,EAAtD,UACAriD,KAAKugD,kBAAoB,KAEzBvgD,KAAK0gD,kBAELyB,EAAW/uC,OAAQ,GAbnBosC,EAAQj5C,KAAKgX,IAAIhX,KAAKoN,IAAI,EAAG3T,KAAK4gD,iBAAmB9uC,EAAO40B,uBAAwB50B,EAAO60B,6BAE3F3mC,KAAKygD,MAAQrJ,YAAW,kBAAM,EAAK0J,cAAatB,GAEhD2C,EAAW1C,YAAa,EACxBz/C,KAAK4gD,kBACLt+C,IAAOpB,KAAP,qBAAiCmhD,EAAjC,cAA2D7C,EAA3D,+BAA+Fx/C,KAAK4gD,kBAcpGqB,GAAcX,MAChBc,EAAkBplB,EAAM3zB,IAAIrC,QAEN,GAAKg2B,EAAM6jB,UAAYuB,GAC3CplB,EAAMD,OAASC,EAAMD,MAAQ,GAAKqlB,EAClCplB,EAAM9pB,aAAUvB,EAEhBrP,IAAOpB,KAAP,qBAAiCmhD,EAAjC,cAA2DL,EAA3D,mCAAwGhlB,EAAMD,SAM/E,IAA3B/8B,KAAKwgD,kBAEPjE,EAA4B,IAAfyF,EAAoBhiD,KAAK2gD,QAAQ35C,OAAS,EAAIg7C,EAAa,EACxE1/C,IAAOpB,KAAP,qBAAiCmhD,EAAjC,eAA4D9F,GAC5Dv8C,KAAK26B,IAAI2nB,cAAgBtiD,KAAKugD,kBAAoBhE,GACzC+E,IAGTh/C,IAAOpB,KAAP,qBAAiCmhD,EAAjC,uBACAriD,KAAKugD,kBAAoB,Q,EAOjC5T,aAAA,YAAwB,IAARpd,EAAQ,EAARA,KACd,QAAa5d,IAAT4d,GAAoC,SAAdA,EAAKhuB,KAAiB,CAC9C,IAAMy7B,EAAQh9B,KAAK2gD,QAAQpxB,EAAKyN,YAClBrrB,IAAVqrB,IACFA,EAAMskB,eAAgB,EACtBtkB,EAAM6jB,UAAY,EAClB7gD,KAAK4gD,gBAAkB,K,EAK7BrD,cAAA,SAAez2C,GAAM,WACXk2B,EAAmBl2B,EAAnBk2B,MAAO9pB,EAAYpM,EAAZoM,QAEf,GAAI8pB,IAAUh9B,KAAKugD,kBAAnB,CAIA,IAAM9C,EAAWz9C,KAAK2gD,QAAQ3jB,GAO9B,GALKygB,EAAS6D,gBACZ7D,EAASoD,UAAY,EACrB7gD,KAAK4gD,gBAAkB,GAGrB1tC,EAAQirB,KAAM,CAChB,IAAM4T,EAAiBH,GAAsB6L,EAASvqC,QAASA,EAASpM,EAAK0sB,MAAM+uB,UACnFjgD,IAAOrB,IAAP,4BAAuCsF,KAAKF,MAAM0rC,GAAlD,OACA/xC,KAAKygD,MAAQrJ,YAAW,kBAAM,EAAK0J,cAAa/O,QAEhD/xC,KAAK0gD,e,EAIT5B,qBAAA,SAAsBh4C,GACpB,IAAM07C,EAAexiD,KAAK26B,IAAIkN,YAAY/gC,EAAKuS,IAAI+oB,QAE7Cyb,EAAe79C,KAAK26B,IAAIwG,OAAOnhC,KAAKugD,mBAC1C,GAAK1C,GAIDA,EAAa7N,cAAe,CAG9B,IAFA,IAAIjT,GAAS,EAEJr1B,EAAI,EAAGA,EAAIm2C,EAAa7N,cAAchpC,OAAQU,IACrD,GAAIm2C,EAAa7N,cAActoC,KAAO86C,EAAc,CAClDzlB,EAAQr1B,EACR,MAIAq1B,IAAU8gB,EAAa9gB,QACzB8gB,EAAa9gB,MAAQA,EACrB/8B,KAAKu3C,e,EAKXuJ,UAAA,WAGE,GAFAx+C,IAAOtB,MAAM,qBAEkB,OAA3BhB,KAAKugD,mBAA8BvgD,KAAKsgD,QAAS,CACnD,IAAMmC,EAAcziD,KAAK2gD,QAAQ3gD,KAAKugD,mBAEtC,GAA2B,iBAAhBkC,GACTA,EAAYp5C,IAAIrC,OAAS,EAAG,CAC5B,IAAMg2B,EAAQh9B,KAAKugD,kBACblnC,EAAKopC,EAAY1lB,MACjB1zB,EAAMo5C,EAAYp5C,IAAIgQ,GAE5B/W,IAAOrB,IAAP,+BAA0C+7B,EAA1C,gBAA+D3jB,GAK/DrZ,KAAK26B,IAAI5nB,QAAQC,IAAMvP,cAAe,CAAE4F,MAAK2zB,QAAO3jB,U,qCAtRxD,OAAOrZ,KAAK2gD,U,4BAIZ,OAAO3gD,KAAKugD,mB,aAGHsB,GACT,IAAI1gB,EAASnhC,KAAK2gD,QACdxf,IACF0gB,EAAWt7C,KAAKgX,IAAIskC,EAAU1gB,EAAOn6B,OAAS,GAC1ChH,KAAKugD,oBAAsBsB,GAAa1gB,EAAO0gB,GAAU3uC,SAC3DlT,KAAK4hD,iBAAiBC,M,kCAyC1B,OAAO7hD,KAAKwgD,kB,aAGGqB,GACf7hD,KAAKwgD,iBAAmBqB,OACClwC,IAArB3R,KAAK0iD,cACP1iD,KAAK0iD,YAAcb,IAGH,IAAdA,IACF7hD,KAAKg9B,MAAQ6kB,K,iCAKf,OAAO7hD,KAAKwhD,a,aAGEK,GACd7hD,KAAKwhD,YAAcK,I,iCAMnB,QAAyBlwC,IAArB3R,KAAK0iD,YAA2B,CAClC,IAAIC,EAAmB3iD,KAAK26B,IAAI7oB,OAAOknC,WACvC,YAAyBrnC,IAArBgxC,EACKA,EAEA3iD,KAAKwhD,YAGd,OAAOxhD,KAAK0iD,a,aAIAb,GACd7hD,KAAK0iD,YAAcb,I,oCAiMnB,OAA+B,IAA3B7hD,KAAKwgD,iBACAxgD,KAAKwgD,iBAELxgD,KAAK26B,IAAI2nB,e,aAID/F,GACjBv8C,KAAKg9B,MAAQuf,GACkB,IAA3Bv8C,KAAKwgD,mBACPxgD,KAAK26B,IAAI2nB,cAAgB/F,Q,gCAlcc7hB,G,QCbtC,SAASkoB,GAAmBhrC,EAAkBirC,GACnD,IAAI3/B,EACJ,IACEA,EAAQ,IAAIlQ,MAAM,YAClB,MAAOJ,IAEPsQ,EAAQ4/B,SAASC,YAAY,UACvBC,UAAU,YAAY,GAAO,GAEpC9/B,EAActL,MAAQA,EACvBirC,EAAQI,cAAc//B,GAGjB,SAASggC,GAAkBtrC,GAChC,GAAIA,GAASA,EAAMurC,KACjB,KAAOvrC,EAAMurC,KAAKn8C,OAAS,GACzB4Q,EAAMwrC,UAAUxrC,EAAMurC,KAAK,IAe1B,SAASE,GAAeF,EAAyCzX,GAEtE,GAAIA,EAAOyX,EAAK,GAAG5vB,QACjB,OAAO4vB,EAAK,GAGd,GAAIzX,EAAOyX,EAAKA,EAAKn8C,OAAS,GAAGusB,QAC/B,OAAO4vB,EAAKA,EAAKn8C,OAAS,GAM5B,IAHA,IAAIs8C,EAAO,EACPC,EAAQJ,EAAKn8C,OAAS,EAEnBs8C,GAAQC,GAAO,CACpB,IAAMC,EAAMj9C,KAAKmR,OAAO6rC,EAAQD,GAAQ,GAExC,GAAI5X,EAAOyX,EAAKK,GAAKjwB,QACnBgwB,EAAQC,EAAM,MACT,MAAI9X,EAAOyX,EAAKK,GAAKjwB,SAI1B,OAAO4vB,EAAKK,GAHZF,EAAOE,EAAM,GAQjB,OAAQL,EAAKG,GAAM/vB,QAAUmY,EAASA,EAAOyX,EAAKI,GAAOhwB,QAAW4vB,EAAKG,GAAQH,EAAKI,G,ICyEzEE,G,oBAzHb,WAAa9oB,GAAK,aAChB,cAAMA,EACJ3nB,IAAMvQ,eACNuQ,IAAMtQ,gBACNsQ,IAAMhO,sBACNgO,IAAMnP,2BAJR,MAOKuX,cAAWzJ,EAChB,EAAKwwB,WAAQxwB,EATG,E,kHAYlBD,QAAA,WACEgpB,EAAal6B,UAAUkR,QAAQhR,KAAKV,O,EAItC48C,gBAAA,SAAiB91C,GACf9G,KAAKmiC,MAAQr7B,EAAKq7B,MACbniC,KAAKmiC,O,EAKZ+a,iBAAA,WACEgG,GAAiBljD,KAAKob,UACtBpb,KAAKob,cAAWzJ,EAChB3R,KAAKmiC,WAAQxwB,G,EAGf+xC,YAAA,SAAaC,GACX,IAAK,IAAIj8C,EAAI,EAAGA,EAAIi8C,EAAW38C,OAAQU,IAAK,CAC1C,IAAI2T,EAAYsoC,EAAWj8C,GAC3B,GAAuB,aAAnB2T,EAAUuoC,MAA2C,QAApBvoC,EAAUwoC,MAK7C,OAFAjB,GAAkBvnC,EAAWrb,KAAKmiC,OAE3B9mB,EAGX,OAAOrb,KAAKmiC,MAAM2hB,aAAa,WAAY,Q,EAG7CC,wBAAA,YAAwC,IAAbvV,EAAa,EAAbA,UACzB,GAAKxuC,KAAKob,UAAapb,KAAKob,SAAS+nC,MAASnjD,KAAKob,SAAS+nC,KAAKn8C,OAAjE,CAGA,IAAMg9C,EAAWX,GAAcrjD,KAAKob,SAAS+nC,KAAM3U,GACnD,GAAKwV,EAKL,IADA,IAAIC,GAAa,EACVA,GAAY,CACjB,IAAMC,EAAMlkD,KAAKob,SAAS+nC,KAAK,GAC/B,IAAKnjD,KAAKob,SAAS+nC,KAAKn8C,QAAUk9C,EAAI7qC,KAAO2qC,EAAS3qC,GAEpD,YADA4qC,GAAa,GAGfjkD,KAAKob,SAASgoC,UAAUc,M,EAI5BC,sBAAA,SAAuBr9C,GACrB,IAAMoF,EAAWpF,EAAKyoB,KAChBlX,EAAUvR,EAAKuR,QAGhBrY,KAAKob,WACRpb,KAAKob,SAAWpb,KAAK0jD,YAAY1jD,KAAKmiC,MAAMwhB,YAC5C3jD,KAAKob,SAASgpC,KAAO,UAQvB,IAFA,IAAIC,EAAM/5C,OAAOg6C,eAAiBh6C,OAAOi6C,QAAUj6C,OAAOk6C,aAEjD98C,EAAI,EAAGA,EAAI2Q,EAAQrR,OAAQU,IAAK,CACvC,IAAMF,EAASZ,KAAIa,aAAa4Q,EAAQ3Q,GAAGZ,MAC3C,GAAIU,EAAQ,CACV,IAAM8rB,EAAYjb,EAAQ3Q,GAAGqU,IACzBwX,EAAU7rB,EAAI2Q,EAAQrR,OAAS,EAAIqR,EAAQ3Q,EAAI,GAAGqU,IAAM7P,EAASmQ,OAEjEiX,IAAcC,EAEhBA,GAAW,KACFD,EAAYC,IACrBjxB,IAAOpB,KAAK,4FACZqyB,EAAUD,EAAY,KAGxB,IAAK,IAAIhU,EAAI,EAAGA,EAAI9X,EAAOR,OAAQsY,IAAK,CACtC,IAAM3X,EAAQH,EAAO8X,GAErB,IAAK1Y,KAAIgB,iBAAiBD,GAAQ,CAChC,IAAMu8C,EAAM,IAAIG,EAAI/wB,EAAWC,EAAS,IACxC2wB,EAAI9jD,MAAQuH,EACZ3H,KAAKob,SAASqpC,OAAOP,Q,EAO/BH,wBAAA,YAAwC,IAAbvV,EAAa,EAAbA,UACjBpzB,EAAapb,KAAbob,SACR,GAAKA,GAAaA,EAAS+nC,MAAS/nC,EAAS+nC,KAAKn8C,OAAlD,CAGA,IAAMg9C,EAAWX,GAAcjoC,EAAS+nC,KAAM3U,GAC9C,GAAKwV,EAGL,KAAO5oC,EAAS+nC,KAAK,KAAOa,GAC1B5oC,EAASgoC,UAAUhoC,EAAS+nC,KAAK,M,GArHNzoB,G,IC6BlBgqB,G,WA3Bb,WAAaC,GAAkB,KALvBC,YAKuB,OAJvBC,eAIuB,OAHvBC,kBAGuB,EAE7B9kD,KAAK4kD,OAASD,EAAWp+C,KAAKw+C,IAAIx+C,KAAKtF,IAAI,IAAO0jD,GAAY,EAC9D3kD,KAAK6kD,UAAY,EACjB7kD,KAAK8kD,aAAe,E,2BAGtBrrC,OAAA,SAAQurC,EAAgB5kD,GACtB,IAAI6kD,EAAW1+C,KAAKoN,IAAI3T,KAAK4kD,OAAQI,GACrChlD,KAAK6kD,UAAYzkD,GAAS,EAAI6kD,GAAYA,EAAWjlD,KAAK6kD,UAC1D7kD,KAAK8kD,cAAgBE,G,EAGvBE,eAAA,WACE,OAAOllD,KAAK8kD,c,EAGdK,YAAA,WACE,GAAInlD,KAAK4kD,OAAQ,CACf,IAAIQ,EAAa,EAAI7+C,KAAKoN,IAAI3T,KAAK4kD,OAAQ5kD,KAAK8kD,cAChD,OAAO9kD,KAAK6kD,UAAYO,EAExB,OAAOplD,KAAK6kD,W,KC0BHQ,G,WAxCb,WAAa1qB,EAAU2qB,EAAcC,EAAcC,GAAyB,KAT5E7qB,SAS4E,OAPpE8qB,sBAOoE,OANpEC,gBAMoE,OALpEC,iBAKoE,OAJpEC,WAIoE,OAHpEC,WAGoE,EAC1E7lD,KAAK26B,IAAMA,EACX36B,KAAKylD,iBAAmBD,EACxBxlD,KAAK0lD,WAAa,KAClB1lD,KAAK2lD,YAAc,GACnB3lD,KAAK4lD,MAAQ,IAAIlB,GAAKY,GACtBtlD,KAAK6lD,MAAQ,IAAInB,GAAKa,G,2BAGxB9rC,OAAA,SAAQqsC,EAAoBC,GAE1B,IAEEC,GAHFF,EAAav/C,KAAK0V,IAAI6pC,EAAY9lD,KAAK2lD,cAGZ,IAEzBM,EAJY,EAAIF,EAIWC,EAC7BhmD,KAAK6lD,MAAMpsC,OAAOusC,EAAWC,GAC7BjmD,KAAK4lD,MAAMnsC,OAAOusC,EAAWC,I,EAG/BC,YAAA,WACE,IAAIX,EAAOvlD,KAAK6lD,MAChB,OAAQN,GAAQA,EAAKL,kBAAoBllD,KAAK0lD,Y,EAGhDP,YAAA,WACE,OAAInlD,KAAKkmD,cAKA3/C,KAAKgX,IAAIvd,KAAK6lD,MAAMV,cAAenlD,KAAK4lD,MAAMT,eAE9CnlD,KAAKylD,kB,EAIhB/zC,QAAA,a,gLC5CMqhB,GAAgBzoB,OAAhByoB,YAgUOozB,G,oBA7Tb,WAAaxrB,GAAK,aAChB,cAAMA,EAAK3nB,IAAMvO,aACfuO,IAAMpO,YACNoO,IAAM7N,cACN6N,IAAMzN,QAHR,MAIK6gD,oBAAsB,EAC3B,EAAKC,gBAAkB,EACvB,EAAK1rB,IAAMA,EACX,EAAK8lB,MAAQ,KACb,EAAK6F,aAAe,KACpB,EAAKC,QAAU,EAAKC,mBAAmBlmD,K,yHAAxB,KAVC,E,wHAalBoR,QAAA,WACE1R,KAAK0gD,aACLhmB,EAAal6B,UAAUkR,QAAQhR,KAAKV,O,EAGtCwpC,cAAA,SAAe1iC,GACb,IAAMyoB,EAAOzoB,EAAKyoB,KAClB,GAAkB,SAAdA,EAAKhuB,OACFvB,KAAKygD,QACRzgD,KAAKy3C,YAAcloB,EACnBvvB,KAAKygD,MAAQzJ,YAAYh3C,KAAKumD,QAAS,OAKpCvmD,KAAKsmD,cAAc,CACtB,IAKIG,EACAC,EANE/rB,EAAM36B,KAAK26B,IACX7oB,EAAS6oB,EAAI7oB,OACbkrB,EAAQzN,EAAKyN,MACJrC,EAAIwG,OAAOnE,GAAO9pB,QAAQirB,MAKvCsoB,EAAW30C,EAAO60C,gBAClBD,EAAW50C,EAAO80C,kBAElBH,EAAW30C,EAAO+0C,eAClBH,EAAW50C,EAAOg1C,gBAEpB9mD,KAAKsmD,aAAe,IAAIjB,GAAuB1qB,EAAK+rB,EAAUD,EAAU30C,EAAOi1C,0B,EAKrFP,mBAAA,WAME,IAAM7rB,EAAM36B,KAAK26B,IACXrd,EAAQqd,EAAIwH,MACZ5S,EAAOvvB,KAAKy3C,YAElB,GAAKloB,EAAL,CAIA,IAAM2N,EAAS3N,EAAK2N,OACd8pB,EAAersB,EAAIqsB,aAGzB,IAAK9pB,GAAWA,EAAO1J,OAAS0J,EAAO1J,MAAMyzB,QAK3C,OAJA3kD,IAAOpB,KAAK,uDACZlB,KAAK0gD,kBAEL1gD,KAAKqmD,gBAAkB,GAGzB,IAAI7yB,EAAQ0J,EAAO1J,MAGnB,GAAIlW,GAASkW,KAAYlW,EAAM23B,QAAkC,IAAvB33B,EAAM63B,eAAyB73B,EAAMq9B,aAAeprB,EAAK6rB,WAAa7rB,EAAKyN,MAAO,CAC1H,IAAMkqB,EAAen0B,GAAYzM,MAAQkN,EAAM+uB,SACzCpN,EAAe5uC,KAAKgY,IAAIjB,EAAM63B,cAGpC,GAAI+R,EAAgB,IAAM33B,EAAK/X,SAAW29B,EAAe,CACvD,IAAMhU,EAASxG,EAAIwG,OACbgmB,EAAW5gD,KAAK0V,IAAI,EAAGuX,EAAM4zB,GAAK5zB,EAAM4zB,GAAK,EAAmB,IAAf5zB,EAAMoW,OAAgBsd,GAGvElqB,EAAQmE,EAAO5R,EAAKyN,OACpB2c,EAAe3c,EAAMqqB,YAAc9gD,KAAK0V,IAAI+gB,EAAMqqB,YAAarqB,EAAM4E,SAAW5E,EAAM4E,QACtF0lB,EAAc9zB,EAAM4rB,MAAQ5rB,EAAM4rB,MAAQ74C,KAAK0V,IAAIuX,EAAMoW,OAAQrjC,KAAKF,MAAMkpB,EAAK/X,SAAWmiC,EAAe,IAC3G/nB,EAAMtU,EAAMqxB,YACZ4Y,GAAmBD,EAAc9zB,EAAMoW,QAAUud,EACjDK,GAAyB9Z,EAAaE,WAAWtwB,EAAOsU,EAAK+I,EAAI7oB,OAAOsO,eAAelY,IAAM0pB,GAAOujB,EAK1G,GAAKqS,EAAyB,EAAIj4B,EAAK/X,SAAW29B,GAAmBoS,EAAkBC,EAAwB,CAC7G,IACIvO,EAGJ,IAAKA,EAAgB1pB,EAAKyN,MAAQ,EAAGic,EAAgB+N,EAAc/N,IAAiB,CAIlF,IAAMwO,EAAmBtmB,EAAO8X,GAAeoO,YAC3C9gD,KAAK0V,IAAIklB,EAAO8X,GAAeoO,YAAalmB,EAAO8X,GAAerX,SAClET,EAAO8X,GAAerX,QAI1B,GAFiCrS,EAAK/X,SAAWiwC,GAAoB,IAAUN,GAEhDK,EAE7B,WAhBAE,EAqB2BH,IAC7BjlD,IAAOpB,KAAP,gEAA4E+3C,EAA5E,oBAA6GA,EAA7G,sBAA+I1pB,EAAKyN,MAAQ,GAA5J,iCAtBE0qB,GAsB+MxV,QAAQ,GAAzN,IAA+NqV,EAAgBrV,QAAQ,GAAvP,IAA6PsV,EAAsBtV,QAAQ,IAE3RvX,EAAIse,cAAgBA,EAEpBj5C,KAAKsmD,aAAa7sC,OAAOytC,EAAc1zB,EAAMoW,QAE7C1M,EAAOiJ,QAEPnmC,KAAK0gD,aACL/lB,EAAI5nB,QAAQC,IAAMrO,4BAA6B,CAAE4qB,KAAMA,EAAMiE,MAAOA,U,EAO9EmZ,aAAA,SAAc7lC,GACZ,IAAMyoB,EAAOzoB,EAAKyoB,KAClB,GAAkB,SAAdA,EAAKhuB,MAAmB,YAAgBguB,EAAKzX,IAAK,CASpD,GAPA9X,KAAK0gD,aAEL1gD,KAAKomD,oBAAsB72B,EAAKyN,MAEhCh9B,KAAKqmD,gBAAkB,EAGnBrmD,KAAK26B,IAAI7oB,OAAO61C,sBAAuB,CACzC,IAAM3qB,EAAQh9B,KAAK26B,IAAIwG,OAAO5R,EAAKyN,OAC/B4qB,GAAe5qB,EAAM4M,OAAS5M,EAAM4M,OAAOzxB,MAAQ,GAAKrR,EAAK0sB,MAAMoW,OACnEie,GAAkB7qB,EAAM4M,OAAS5M,EAAM4M,OAAOpyB,SAAW,GAAK1Q,EAAKyoB,KAAK/X,SAC5EwlB,EAAM4M,OAAS,CAAEzxB,MAAOyvC,EAAapwC,SAAUqwC,GAC/C7qB,EAAMqqB,YAAc9gD,KAAKF,MAAM,EAAIuhD,EAAcC,GAGnD,GAAI/gD,EAAKyoB,KAAKqd,YAAa,CACzB,IAAIpZ,EAAQ1sB,EAAK0sB,MACjBA,EAAM6U,QAAU7U,EAAMsqB,UAAYtqB,EAAMgU,MACxCxnC,KAAK8sC,eAAehmC,M,EAK1BgmC,eAAA,SAAgBhmC,GACd,IAAM0sB,EAAQ1sB,EAAK0sB,MACbjE,EAAOzoB,EAAKyoB,KAKlB,IAAsB,IAAlBiE,EAAMyzB,SAAkC,SAAd13B,EAAKhuB,MAAmB,YAAgBguB,EAAKzX,OAAUyX,EAAKqd,aAAepZ,EAAMgU,QAAUhU,EAAMsqB,WAAa,CAI1I,IAAIgK,EAA0Bt0B,EAAM6U,QAAU7U,EAAM+uB,SACpDjgD,IAAOrB,IAAP,uCAAkDsF,KAAKF,MAAMmtB,EAAM6rB,OAAS7rB,EAAM+uB,UAAlF,IAA+Fh8C,KAAKF,MAAMmtB,EAAMgU,MAAQhU,EAAM6rB,QAA9H,IAAyI94C,KAAKF,MAAMmtB,EAAM6U,QAAU7U,EAAMgU,OAA1K,IAAoLjhC,KAAKF,MAAMmtB,EAAMsqB,UAAYtqB,EAAM6U,SAAvN,IAAmO9hC,KAAKF,MAAM,EAAImtB,EAAMoW,QAAUpW,EAAMsqB,UAAYtqB,EAAM+uB,YAC1RviD,KAAKsmD,aAAa7sC,OAAOquC,EAAyBt0B,EAAMoW,QACxDpW,EAAMu0B,WAAa/nD,KAAKsmD,aAAanB,cAEjC51B,EAAKqd,YACP5sC,KAAKgoD,iBAAmBF,EAA0B,IAElD9nD,KAAKgoD,iBAAmB,I,EAK9BhhB,QAAA,SAASlgC,GAEP,OAAQA,EAAKoM,SACb,KAAKpN,IAAaqkC,gBAClB,KAAKrkC,IAAaskC,kBAChBpqC,KAAK0gD,e,EAOTA,WAAA,WACE7J,cAAc72C,KAAKygD,OACnBzgD,KAAKygD,MAAQ,M,EAqEfwH,eAAA,SAAgBpK,EAAcqK,EAAqBC,EAAWnB,EAAcoB,EAAcC,EAAkBC,EAAUC,EAAYpnB,GAChI,IAAK,IAAIz5B,EAAI0gD,EAAc1gD,GAAKs/C,EAAct/C,IAAK,CACjD,IAAI+xC,EAAYtY,EAAOz5B,GAEvB,GAAK+xC,EAAL,CAIA,IAAMtR,EAAesR,EAAUvmC,QACzBs1C,EAAcrgB,EAAeA,EAAa1J,cAAgB0J,EAAajK,UAAUl3B,OAASkhD,EAC1F/pB,IAAOgK,GAAeA,EAAahK,KAErCsqB,OAAU,EAQZA,EADE/gD,GAAKm2C,EACMyK,EAAWH,EAEXI,EAAaJ,EAG5B,IAAMvmB,EAAUT,EAAOz5B,GAAG2/C,YAAc9gD,KAAK0V,IAAIklB,EAAOz5B,GAAG2/C,YAAalmB,EAAOz5B,GAAGk6B,SAAWT,EAAOz5B,GAAGk6B,QACjG8mB,EAAgB9mB,EAAU4mB,EAAcC,EAI9C,GAFAnmD,IAAOvB,MAAP,wEAAqF2G,EAArF,IAA0FnB,KAAKF,MAAMoiD,GAArG,IAAoH7mB,EAApH,IAA+H4mB,EAA/H,IAA8IH,EAA9I,IAAkKK,GAE9JD,EAAa7mB,KAIb8mB,GAAkBvqB,IAASn+B,KAAKgoD,kBAAqBU,EAAgBL,GAEvE,OAAO3gD,GAIX,OAAQ,G,4CAxGR,IAAMihD,EAAkB3oD,KAAKqmD,eACvBuC,EAAc5oD,KAAKsmD,aAEzB,MAAyB,IAArBqC,GAA4BC,GAAgBA,EAAY1C,eAC1D,OAAOyC,EAIT,IAAIE,EAAmB7oD,KAAK8oD,kBAM5B,OAJyB,IAArBH,IACFE,EAAmBtiD,KAAKgX,IAAIorC,EAAiBE,IAGxCA,G,aA6FUtM,GACjBv8C,KAAKqmD,eAAiB9J,I,wCA3FtB,IAAI5hB,EAAM36B,KAAK26B,IACPytB,EAA+CztB,EAA/CytB,aAAcjnB,EAAiCxG,EAAjCwG,OAAQrvB,EAAyB6oB,EAAzB7oB,OAAQk1C,EAAiBrsB,EAAjBqsB,aAChC1pC,EAAQqd,EAAIwH,MACZ0b,EAAe79C,KAAKomD,oBACpB8B,EAAsBloD,KAAKy3C,YAAcz3C,KAAKy3C,YAAYjgC,SAAW,EACrEoa,EAAOtU,EAAQA,EAAMqxB,YAAc,EAInCwG,EAAiB73B,GAAiC,IAAvBA,EAAM63B,aAAuB5uC,KAAKgY,IAAIjB,EAAM63B,cAAgB,EACvF4T,EAAQ/oD,KAAKsmD,aAAetmD,KAAKsmD,aAAanB,cAAgBrzC,EAAOi1C,uBAErES,GAAyB9Z,EAAaE,WAAWtwB,EAAOsU,EAAK9f,EAAOsO,eAAelY,IAAM0pB,GAAOujB,EAGlG6T,EAAYhpD,KAAKioD,eAAepK,EAAcqK,EAAqBa,EAAO/B,EAAcoB,EAAcZ,EAAuB11C,EAAOm3C,mBAAoBn3C,EAAOo3C,qBAAsB/nB,GACzL,GAAI6nB,GAAa,EACf,OAAOA,EAEP1mD,IAAOvB,MAAM,+FAGb,IAAIooD,EAAqBjB,EAAsB3hD,KAAKgX,IAAI2qC,EAAqBp2C,EAAOq3C,oBAAsBr3C,EAAOq3C,mBAC7Gb,EAAWx2C,EAAOm3C,mBAClBV,EAAaz2C,EAAOo3C,qBAExB,GAA8B,IAA1B1B,EAA6B,CAE/B,IAAIQ,EAAmBhoD,KAAKgoD,iBACxBA,IAOFmB,GADwBjB,EAAsB3hD,KAAKgX,IAAI2qC,EAAqBp2C,EAAOs3C,iBAAmBt3C,EAAOs3C,iBACtEpB,EACvC1lD,IAAOvB,MAAP,qBAAkCwF,KAAKF,MAAM,IAAO2hD,GAApD,+CAAoHzhD,KAAKF,MAAM,IAAO8iD,GAAtI,OAEAb,EAAWC,EAAa,GAI5B,OADAS,EAAYhpD,KAAKioD,eAAepK,EAAcqK,EAAqBa,EAAO/B,EAAcoB,EAAcZ,EAAwB2B,EAAoBb,EAAUC,EAAYpnB,GACjK56B,KAAK0V,IAAI+sC,EAAW,Q,gCA1QLtuB,GCa5B,IAAMsF,GAAc4O,IAotBLya,G,oBA5pBb,WAAa1uB,GAAU,aACrB,cAAMA,EACJhY,IAAOngB,gBACPmgB,IAAOjgB,gBACPigB,IAAOrf,gBACPqf,IAAO/f,aACP+f,IAAO5f,iBACP4f,IAAO9f,cACP8f,IAAO1f,WACP0f,IAAOzf,gBACPyf,IAAO/e,kBACP+e,IAAOhf,gBAVT,MApDM2lD,YAA6B,KAmDd,EAjDfC,eAAgC,KAiDjB,EA/CfC,qBAA+B,GA+ChB,EA7CfC,MAAwB,KA6CT,EA3CfC,WAA4B,KA2Cb,EAxCfC,aAAuB,EAwCR,EArCfC,WAAqB,EAqCN,EAnCf93C,YAmCe,IAhChB+3C,0BAgCgB,IA7BhBC,0BAAoC,EA6BpB,EA1BfC,wBAAkC,EA0BnB,EAvBhB5nB,MAAiC,KAuBjB,EApBhB6nB,YAAkC,KAoBlB,EAjBhBC,SAAsB,GAiBN,EAfhBzL,YAegB,IAZhB0L,WAAqB,EAYL,EAThBlM,SAAmB,EASH,EARhBmM,YAAsB,EAQN,EAPhBC,mBAA6B,EAOb,EALhBpyC,OAAmB,GAKH,EAJhBqyC,cAA0B,GAIV,EAHhBC,aAA8B,GAGd,EAFhBC,WAAuC,GAEvB,EAwJfC,mBAAqB,WAC3BloD,IAAOrB,IAAI,uBACX,EAAK05B,IAAI5nB,QAAQ4P,IAAOlgB,eAAgB,CAAE0/B,MAAO,EAAKA,QACtD,IAAI6nB,EAAc,EAAKA,YACnBA,GAEFA,EAAYta,oBAAoB,aAAc,EAAK8a,oBAErD,EAAKC,sBAhKgB,EAmKfC,oBAAsB,WAC5BpoD,IAAOrB,IAAI,wBApKU,EAuKf0pD,oBAAsB,WAC5BroD,IAAOrB,IAAI,uBAxKU,EA2Kf2pD,eAAiB,WAEvB,GAAI,EAAKf,sBAAwB,EAAKS,aAAaltC,MAAO,CACxD,IAAIytC,EAAc,EAAKP,aAAaltC,MAEpC9a,IAAOpB,KAAP,2CAAuD2pD,EAAYC,gBAAnE,OAAyF,EAAKjB,sBAC9FgB,EAAYC,gBAAkB,EAAKjB,4BAC5B,EAAKA,qBAGV,EAAKF,aACP,EAAKoB,UAGH,EAAKnB,WACP,EAAKoB,WAGP,EAAKd,WAAY,EACjB,IAAI1L,EAAS,EAAKA,OAEdW,EAAU,EAAK8K,SAASnrC,QAAO,SAACmsC,EAASC,GAAV,OAAuBA,EAAQ1M,SAAWA,EAAUyM,EAAU,EAAIA,IAAS,GAGxGlgB,EAA4D,GAC5DogB,EAAQ,EAAKb,aACnB,IAAK,IAAIx3B,KAAcq4B,EAAO,CAC5B,IAAMC,EAAKD,EAAMr4B,GACjB,IAAKs4B,EACH,MAAM//C,MAAM,8DAA8DynB,EAA/D,2DAEbiY,EAAWjY,GAAkCs4B,EAAGhgB,SAGlD,EAAKzQ,IAAI5nB,QAAQ4P,IAAO3f,gBAAiB,CAAEw7C,SAAQW,UAASpU,eAEvD,EAAK4e,aACR,EAAK0B,cAGP,EAAKC,6BAGW,IAAZnM,GACF,EAAKoM,uBAvNc,EA2NfC,iBAAmB,SAACtoC,GAC1B5gB,IAAOlB,MAAM,sBAAuB8hB,GAIpC,EAAKyX,IAAI5nB,QAAQ4P,IAAOpd,MAAO,CAAEhE,KAAMsE,IAAWoN,YAAaC,QAASpN,IAAa2lD,uBAAwBr4C,OAAO,KAnNpH,EAAKtB,OAAS6oB,EAAI7oB,OAbG,E,kHAgBvBJ,QAAA,WACEgpB,EAAal6B,UAAUkR,QAAQhR,KAAKV,O,EAGtC0rD,kBAAA,SAAmB5kD,GACjB,IAAIvF,EAAOuF,EAAKvF,KACZ2Z,EAAalb,KAAKgY,OAAOoF,MAS7B,GAAa,UAAT7b,GAAoB2Z,GAAuC,eAAzBA,EAAW8B,UAA4B,CAC3E,IAAI6tC,EAAc7qD,KAAKsqD,aAAaltC,MACpC,IAAKytC,EACH,MAAMx/C,MAAM,8DAMd,GAHY9E,KAAKgY,IAAIssC,EAAYC,gBAAkBhkD,EAAKob,OAG5C,GAAK,CACf,IAAIypC,EAAWd,EAAYc,SAE3B,IACEd,EAAY1kB,QACZ,MAAOvzB,GACPtQ,IAAOpB,KAAK,+BAAiC0R,GAG1C+4C,EAIH3rD,KAAK6pD,qBAAuB/iD,EAAKob,OAHjC5f,IAAOpB,KAAK,2CAA6C2pD,EAAYC,gBAAkB,OAAShkD,EAAKob,OACrG2oC,EAAYC,gBAAkBhkD,EAAKob,U,EAQ3Ci7B,iBAAA,SAAkBr2C,GAKhB9G,KAAK8pD,0BAA4B9pD,KAAK+pD,wBAA0BjjD,EAAK+xC,SAAW,EAAI,EACpFv2C,IAAOrB,IAAOjB,KAAK8pD,0BAAnB,mC,EAGF8B,iBAAA,SAAkB9kD,GAChB,IAAIq7B,EAAQniC,KAAKmiC,MAAQr7B,EAAKq7B,MAC9B,GAAIA,GAASnC,GAAa,CAExB,IAAI6rB,EAAK7rD,KAAKgqD,YAAc,IAAIhqB,GAEhC6rB,EAAG1xB,iBAAiB,aAAcn6B,KAAKwqD,oBACvCqB,EAAG1xB,iBAAiB,cAAen6B,KAAK2qD,qBACxCkB,EAAG1xB,iBAAiB,cAAen6B,KAAK0qD,qBAExCvoB,EAAMpJ,IAAMzuB,OAAOivB,IAAII,gBAAgBkyB,GAEvC7rD,KAAK0pD,WAAavnB,EAAMpJ,M,EAI5BmkB,iBAAA,WACE56C,IAAOrB,IAAI,0BACX,IAAI4qD,EAAK7rD,KAAKgqD,YACd,GAAI6B,EAAI,CACN,GAAsB,SAAlBA,EAAGlR,WACL,IAKEkR,EAAGC,cACH,MAAOl5C,GACPtQ,IAAOpB,KAAP,oBAAgC0R,EAAIE,QAApC,8BAGJ+4C,EAAGnc,oBAAoB,aAAc1vC,KAAKwqD,oBAC1CqB,EAAGnc,oBAAoB,cAAe1vC,KAAK2qD,qBAC3CkB,EAAGnc,oBAAoB,cAAe1vC,KAAK0qD,qBAIvC1qD,KAAKmiC,QACHniC,KAAK0pD,YACPp/C,OAAOivB,IAAIkW,gBAAgBzvC,KAAK0pD,YAK9B1pD,KAAKmiC,MAAMpJ,MAAQ/4B,KAAK0pD,YAC1B1pD,KAAKmiC,MAAM4pB,gBAAgB,OAC3B/rD,KAAKmiC,MAAMoD,QAEXjjC,IAAOpB,KAAK,0DAIhBlB,KAAKgqD,YAAc,KACnBhqD,KAAKmiC,MAAQ,KACbniC,KAAK0pD,WAAa,KAClB1pD,KAAK8pD,0BAA4B9pD,KAAK+pD,wBACtC/pD,KAAKqqD,cAAgB,GACrBrqD,KAAKgY,OAAS,GACdhY,KAAKsqD,aAAe,GACpBtqD,KAAKuqD,WAAa,GAClBvqD,KAAKiqD,SAAW,GAChBjqD,KAAKg+C,SAAW,EAGlBh+C,KAAK26B,IAAI5nB,QAAQ4P,IAAOhgB,iB,EAG1B8nD,mBAAA,WAAsB,IACdX,EAA6C9pD,KAA7C8pD,0BAA2BO,EAAkBrqD,KAAlBqqD,cAM3B2B,EAAqBzrD,OAAOkd,KAAK4sC,GAAerjD,QACjDglD,IAAuBlC,GAAqD,IAAvBkC,KAExDhsD,KAAKisD,oBAAoB5B,GACzBrqD,KAAKqqD,cAAgB,GAErBrqD,KAAKqrD,gB,EAgFTa,cAAA,WACE,IAAM5B,EAAetqD,KAAKsqD,aAC1B,IAAK,IAAI/oD,KAAQ+oD,EAAc,CAC7B,IAAMc,EAAKd,EAAa/oD,GACxB,IACM6pD,IACEprD,KAAKgqD,aACPhqD,KAAKgqD,YAAYmC,mBAAmBf,GAEtCA,EAAG1b,oBAAoB,YAAa1vC,KAAK4qD,gBACzCQ,EAAG1b,oBAAoB,QAAS1vC,KAAKwrD,mBAEvC,MAAO54C,KAGX5S,KAAKsqD,aAAe,GACpBtqD,KAAKuqD,WAAa,GAClBvqD,KAAKiqD,SAAW,GAChBjqD,KAAKg+C,SAAW,G,EAGlBoO,eAAA,SAAgBp0C,GAAkB,WAG5BzX,OAAOkd,KAAKzd,KAAKsqD,cAActjD,SAInCzG,OAAOkd,KAAKzF,GAAQ7V,SAAQ,SAAAk8C,GAC1B,EAAKgM,cAAchM,GAAarmC,EAAOqmC,MAGzCr+C,KAAK8pD,0BAA4BvjD,KAAK0V,IAAIjc,KAAK8pD,0BAA4B,EAAG,GAC1E9pD,KAAKgqD,aAA+C,SAAhChqD,KAAKgqD,YAAYrP,YACvC36C,KAAKyqD,uB,EAITwB,oBAAA,SAAqBj0C,GAAkB,IAC7BsyC,EAA8BtqD,KAA9BsqD,aAAcN,EAAgBhqD,KAAhBgqD,YACtB,IAAKA,EACH,MAAM3+C,MAAM,wDAGd,IAAK,IAAIgzC,KAAarmC,EACpB,IAAKsyC,EAAajM,GAAY,CAC5B,IAAIzmC,EAAQI,EAAOqmC,GACnB,IAAKzmC,EACH,MAAMvM,MAAM,kCAAkCgzC,EAAnC,4BAGb,IAAI7qC,EAAQoE,EAAM2mC,YAAc3mC,EAAMpE,MAClC64C,EAAcz0C,EAAMoF,UAAZ,WAAgCxJ,EAC5ClR,IAAOrB,IAAP,yBAAoCorD,EAApC,KACA,IACE,IAAIjB,EAAKd,EAAajM,GAAa2L,EAAYsC,gBAAgBD,GAC/DjB,EAAGjxB,iBAAiB,YAAan6B,KAAK4qD,gBACtCQ,EAAGjxB,iBAAiB,QAASn6B,KAAKwrD,kBAClCxrD,KAAKgY,OAAOqmC,GAAa,CACvBp1C,OAAQmiD,EACR53C,MAAOA,EACP6F,GAAIzB,EAAMyB,GACV2D,UAAWpF,EAAMoF,UACjBuhC,WAAY3mC,EAAM2mC,YAEpB,MAAO3rC,GACPtQ,IAAOlB,MAAP,0CAAuDwR,EAAIE,SAC3D9S,KAAK26B,IAAI5nB,QAAQ4P,IAAOpd,MAAO,CAAEhE,KAAMsE,IAAWoN,YAAaC,QAASpN,IAAaymD,uBAAwBn5C,OAAO,EAAOR,IAAKA,EAAKy5C,SAAUA,KAIrJrsD,KAAK26B,IAAI5nB,QAAQ4P,IAAO7f,eAAgB,CAAEkV,OAAQhY,KAAKgY,U,EAGzDw0C,kBAAA,SAAmB1lD,GACZ9G,KAAK2pD,cACH3pD,KAAKiqD,SAGRjqD,KAAKiqD,SAAS5hD,KAAKvB,GAFnB9G,KAAKiqD,SAAW,CAAEnjD,GAKpB9G,KAAKqrD,gB,EAMToB,YAAA,SAAa3lD,GACX,IAAK,IAAMvF,KAAQvB,KAAKsqD,aACtB,IAAKxjD,EAAKvF,MAAQuF,EAAKvF,OAASA,EAAM,CACpC,IAAM6pD,EAAKprD,KAAKsqD,aAAa/oD,GACzB6pD,IAAOA,EAAGlW,QACZkW,EAAGlW,OAAQ,EACX5yC,IAAOrB,IAAOM,EAAd,0BAKNvB,KAAKgrD,Y,EAIPA,SAAA,WAAY,IACFV,EAA8BtqD,KAA9BsqD,aAAcN,EAAgBhqD,KAAhBgqD,YACtB,GAAKA,GAA0C,SAA3BA,EAAYrP,WAAhC,CAKA,IAAK,IAAIp5C,KAAQ+oD,EAAc,CAC7B,IAAMc,EAAKd,EAAa/oD,GACxB,GAAK6pD,EAAL,CAEA,IAAKA,EAAGlW,MACN,OAGF,GAAIkW,EAAGO,SAEL,YADA3rD,KAAK4pD,WAAY,IAKrBtnD,IAAOrB,IAAI,+FAEX,IACE+oD,EAAY8B,cACZ,MAAOzpD,GACPC,IAAOpB,KAAK,qDAEdlB,KAAK4pD,WAAY,OAzBf5pD,KAAK4pD,WAAY,G,EA4BrB8C,iBAAA,SAAkB5lD,GACZA,EAAKvF,KACPvB,KAAKuqD,WAAWliD,KAAK,CAAE6Z,MAAOpb,EAAK21C,YAAav0C,IAAKpB,EAAK41C,UAAWn7C,KAAMuF,EAAKvF,QAEhFvB,KAAKuqD,WAAWliD,KAAK,CAAE6Z,MAAOpb,EAAK21C,YAAav0C,IAAKpB,EAAK41C,UAAWn7C,KAAM,UAC3EvB,KAAKuqD,WAAWliD,KAAK,CAAE6Z,MAAOpb,EAAK21C,YAAav0C,IAAKpB,EAAK41C,UAAWn7C,KAAM,WAI7EvB,KAAKoqD,mBAAqB,EAC1BpqD,KAAK+qD,W,EAGPQ,oBAAA,WAEE,GAAKvrD,KAAKypD,MAAV,CAIA,IAAMkD,EAAuB3sD,KAAK8R,OAAO66C,qBACzC,GAAK1mD,SAAS0mD,MAAyBA,EAAuB,GAI9D,GAAK3sD,KAAKmiC,MAUV,IALA,IAAMwM,EAAc3uC,KAAKmiC,MAAMwM,YACzB2b,EAAetqD,KAAKsqD,aACpBsC,EAAcrsD,OAAOkd,KAAK6sC,GAC1BuC,EAA2Ble,EAAcpoC,KAAK0V,IAAI0wC,EAAsB3sD,KAAKwpD,sBAE1EtgD,EAAQ0jD,EAAY5lD,OAAS,EAAGkC,GAAS,EAAGA,IAAS,CAC5D,IAAM4jD,EAAaF,EAAY1jD,GACzBkiD,EAAKd,EAAawC,GACxB,GAAI1B,EAAI,CACN,IAAMhgB,EAAWggB,EAAGhgB,SAEhBA,EAASpkC,OAAS,GAAK6lD,EAA2BzhB,EAASlpB,MAAM,IAI/DliB,KAAK+sD,kBAAkBD,EAAY1B,EAAI,EAAGyB,IAC5C7sD,KAAK26B,IAAI5nB,QAAQ4P,IAAO9e,yBAA0B,CAAE2qC,UAAWqe,UApBrEvqD,IAAOlB,MAAM,wD,EA4BjB4rD,eAAA,YAA+J,IAA7I95C,EAA6I,EAA7IA,QACZA,EAAQgrB,UAAUl3B,OAAS,IAC7BhH,KAAKupD,eAAiBr2C,EAAQurB,cAAgBvrB,EAAQgrB,UAAU,GAAGhc,MACnEliB,KAAKwpD,qBAAuBt2C,EAAQ4wB,uBAAyB5wB,EAAQsrB,gBAAkB,GACvFx+B,KAAKypD,MAAQv2C,EAAQirB,KACrBn+B,KAAKsrD,+B,EASTA,2BAAA,WAA8B,IAExB9zC,EADE1F,EAAW9R,KAAX8R,OAGN,GAA4B,OAAxB9R,KAAKupD,gBACNvpD,KAAKmiC,OACLniC,KAAKgqD,aACLhqD,KAAKsqD,cACoB,IAA1BtqD,KAAKmiC,MAAMwY,YACqB,SAAhC36C,KAAKgqD,YAAYrP,WALnB,CASA,IAAK,IAAIp5C,KAAQvB,KAAKsqD,aAAc,CAClC,IAAMc,EAAKprD,KAAKsqD,aAAa/oD,GAC7B,GAAI6pD,IAAsB,IAAhBA,EAAGO,SAEX,OAIJn0C,EAAWxX,KAAKmiC,MAAM3qB,SAEG,OAArBxX,KAAKspD,cACPtpD,KAAKspD,YAActpD,KAAKgqD,YAAYxyC,WAGnB,IAAfxX,KAAKypD,QAAkD,IAAhC33C,EAAOm7C,sBAEhC3qD,IAAOrB,IAAI,4CACXjB,KAAKspD,YAActpD,KAAKgqD,YAAYxyC,SAAW0F,MACrCld,KAAKupD,eAAiBvpD,KAAKspD,aAAetpD,KAAKupD,eAAiB/xC,IAAc,YAAgBA,MAKxGlV,IAAOrB,IAAP,qCAAgDjB,KAAKupD,eAAerX,QAAQ,IAC5ElyC,KAAKspD,YAActpD,KAAKgqD,YAAYxyC,SAAWxX,KAAKupD,kB,EAIxDwB,QAAA,WAEE,KAAO/qD,KAAKuqD,WAAWvjD,QAAQ,CAC7B,IAAI4kC,EAAQ5rC,KAAKuqD,WAAW,GAE5B,IAAIvqD,KAAKktD,YAAYthB,EAAM1pB,MAAO0pB,EAAM1jC,IAAK0jC,EAAMrqC,MAOjD,YAFAvB,KAAK2pD,aAAc,GAHnB3pD,KAAKuqD,WAAW93B,QAChBzyB,KAAKoqD,mBAAqB,EAO9B,GAA+B,IAA3BpqD,KAAKuqD,WAAWvjD,OAAc,CAEhChH,KAAK2pD,aAAc,EAGnB,IAAI3L,EAAW,EACXsM,EAAetqD,KAAKsqD,aACxB,IACE,IAAK,IAAI/oD,KAAQ+oD,EAAc,CAC7B,IAAMc,EAAKd,EAAa/oD,GACpB6pD,IACFpN,GAAYoN,EAAGhgB,SAASpkC,SAG5B,MAAO5F,GAGPkB,IAAOlB,MAAM,+CAEfpB,KAAKg+C,SAAWA,EAChBh+C,KAAK26B,IAAI5nB,QAAQ4P,IAAOxf,kB,EAI5BkoD,YAAA,WAAe,IACPv5C,EAAwC9R,KAAxC8R,OAAQ6oB,EAAgC36B,KAAhC26B,IAAKsvB,EAA2BjqD,KAA3BiqD,SAAUK,EAAiBtqD,KAAjBsqD,aAC7B,GAAK/pD,OAAOkd,KAAK6sC,GAActjD,OAA/B,CAKA,IAAKhH,KAAKmiC,OAASniC,KAAKmiC,MAAM/gC,MAG5B,OAFApB,KAAKiqD,SAAW,QAChB3nD,IAAOlB,MAAM,4EAIf,IAAIpB,KAAKkqD,UAAT,CAKA,IAAMgB,EAAUjB,EAASx3B,QACzB,GAAKy4B,EAIL,IACE,IAAME,EAAKd,EAAaY,EAAQ3pD,MAChC,IAAK6pD,EAKH,YADAprD,KAAK4qD,iBAIP,GAAIQ,EAAGO,SAGL,YADA1B,EAASjiB,QAAQkjB,GAKnBE,EAAGlW,OAAQ,EAEXl1C,KAAKw+C,OAAS0M,EAAQ1M,OACtB4M,EAAG+B,aAAajC,EAAQpkD,MACxB9G,KAAKmqD,YAAc,EACnBnqD,KAAKg+C,WACLh+C,KAAKkqD,WAAY,EACjB,MAAOt3C,GAEPtQ,IAAOlB,MAAP,uCAAoDwR,EAAIE,SACxDm3C,EAASjiB,QAAQkjB,GACjB,IAAIhoC,EAAQ,CAAE3hB,KAAMsE,IAAWoN,YAAaurC,OAAQ0M,EAAQ1M,OAAQtrC,QAAS,GAAIE,OAAO,GACvE,KAAbR,EAAIw6C,MAGNptD,KAAKiqD,SAAW,GAChB/mC,EAAMhQ,QAAUpN,IAAa45C,oBAE7B1/C,KAAKmqD,cACLjnC,EAAMhQ,QAAUpN,IAAaunD,oBAIzBrtD,KAAKmqD,YAAcr4C,EAAOw7C,sBAC5BhrD,IAAOrB,IAAP,QAAmB6Q,EAAOw7C,oBAA1B,4CACAttD,KAAKiqD,SAAW,GAChB/mC,EAAM9P,OAAQ,IAGlBunB,EAAI5nB,QAAQ4P,IAAOpd,MAAO2d,O,EAS9BgqC,YAAA,SAAazQ,EAAqBC,EAAmB6Q,GACnD,IAAMjD,EAAetqD,KAAKsqD,aAE1B,IAAK/pD,OAAOkd,KAAK6sC,GAActjD,OAC7B,OAAO,EAGT,IAAI2nC,EAAsB,OAO1B,GANI3uC,KAAKmiC,QACPwM,EAAc3uC,KAAKmiC,MAAMwM,YAAYuD,QAAQ,IAE/C5vC,IAAOrB,IAAP,8BAAyC0tC,EAAzC,IAAwD8N,EAAxD,IAAuEC,GAGnE18C,KAAKoqD,oBAAsBpqD,KAAKg+C,SAElC,OADA17C,IAAOpB,KAAK,oCACL,EAGT,IAAMkqD,EAAKd,EAAaiD,GAExB,GAAInC,EAAI,CAEN,GADAA,EAAGlW,OAAQ,EACNkW,EAAGO,SAON,OADArpD,IAAOpB,KAAK,0CACL,EANP,GAAIlB,KAAK+sD,kBAAkBQ,EAAQnC,EAAI3O,EAAaC,GAElD,OADA18C,KAAKoqD,sBACE,EAUb,OAFA9nD,IAAOrB,IAAI,mBAEJ,G,EAaT8rD,kBAAA,SAAmBxrD,EAAc6pD,EAA0B3O,EAAqBC,GAC9E,IACE,IAAK,IAAIh1C,EAAI,EAAGA,EAAI0jD,EAAGhgB,SAASpkC,OAAQU,IAAK,CAC3C,IAAI8lD,EAAWpC,EAAGhgB,SAASlpB,MAAMxa,GAC7B+lD,EAASrC,EAAGhgB,SAASljC,IAAIR,GACzBgmD,EAAcnnD,KAAK0V,IAAIuxC,EAAU/Q,GACjCkR,EAAYpnD,KAAKgX,IAAIkwC,EAAQ/Q,GAOjC,GAAIn2C,KAAKgX,IAAIowC,EAAWF,GAAUC,EAAc,GAAK,CACnD,IAAI/e,EAAsB,OAO1B,OANI3uC,KAAKmiC,QACPwM,EAAc3uC,KAAKmiC,MAAMwM,YAAYxd,YAGvC7uB,IAAOrB,IAAP,aAAwBM,EAAxB,KAAiCmsD,EAAjC,IAAgDC,EAAhD,UAAmEH,EAAnE,IAA+EC,EAA/E,UAA+F9e,GAC/Fyc,EAAGwC,OAAOF,EAAaC,IAChB,IAGX,MAAOvsD,GACPkB,IAAOpB,KAAK,2BAA4BE,GAG1C,OAAO,G,GA9sBoBs5B,G,2KC6JhBmzB,G,oBAnLb,WAAalzB,GAAK,aAChB,cAAMA,EACJ3nB,IAAM1N,uBACN0N,IAAMxQ,gBACNwQ,IAAM1P,gBACN0P,IAAMnQ,cACNmQ,IAAMtQ,kBALR,MAOKorD,iBAAmB9nD,OAAOg2C,kBAC/B,EAAKyF,WAAa,KAClB,EAAKtgB,OAAS,GACd,EAAKgB,MAAQ,KACb,EAAK4rB,iBAAmB,GACxB,EAAKtN,MAAQ,KAbG,E,wHAgBlB/uC,QAAA,WACM1R,KAAK26B,IAAI7oB,OAAOk8C,uBAClBhuD,KAAKmiC,MAAQ,KACbniC,KAAKiuD,gB,EAITC,sBAAA,SAAuBpnD,GAEjB+mD,EAAmBM,eAAernD,EAAKsnD,aAAcpuD,KAAK+tD,mBAC5D/tD,KAAK+tD,iBAAiB1lD,KAAKvB,EAAKsnD,e,EAIpCxC,iBAAA,SAAkB9kD,GAChB9G,KAAKmiC,MAAQr7B,EAAKq7B,iBAAiB73B,OAAO+jD,iBAAmBvnD,EAAKq7B,MAAQ,M,EAG5Egb,iBAAA,SAAkBr2C,GAChB,IAAM6zB,EAAM36B,KAAK26B,IACjB36B,KAAK+tD,iBAAmB,GACxB/tD,KAAKmhC,OAASr6B,EAAKq6B,OACnBnhC,KAAKyhD,WAAa36C,EAAK26C,WACnB9mB,EAAI7oB,OAAOk8C,sBAAwBlnD,EAAKwW,OAE1Ctd,KAAKsuD,gB,EAMTlC,eAAA,SAAgBtlD,GACF9G,KAAK26B,IACT7oB,OAAOk8C,sBAAwBlnD,EAAKwW,OAE1Ctd,KAAKsuD,gB,EAITC,gBAAA,SAAiBznD,GACf9G,KAAKmhC,OAASr6B,EAAKq6B,Q,EAGrB+b,iBAAA,WACEl9C,KAAKiuD,e,EAGPO,iBAAA,WACE,GAAIxuD,KAAKmiC,MAAO,CACd,IAAIssB,EAAezuD,KAAKmhC,OAASnhC,KAAKmhC,OAAOn6B,OAAS,EACtD,GAAIynD,EAAc,CAChB,IAAM9zB,EAAM36B,KAAK26B,IACjBA,EAAImzB,iBAAmB9tD,KAAK0uD,YAAYD,EAAe,GACnD9zB,EAAImzB,iBAAmB9tD,KAAK8tD,kBAG9BnzB,EAAIg0B,iBAAiBxS,kBAEvBn8C,KAAK8tD,iBAAmBnzB,EAAImzB,oB,EAQlCY,YAAA,SAAaE,GAAe,WAC1B,IAAK5uD,KAAKmhC,OACR,OAAQ,EAGV,IAAM0tB,EAAc7uD,KAAKmhC,OAAO5f,QAAO,SAACyb,EAAO9zB,GAAR,OACrC2kD,EAAmBM,eAAejlD,EAAO,EAAK6kD,mBAAqB7kD,GAAS0lD,KAG9E,OAAOf,EAAmBiB,uBAAuBD,EAAa7uD,KAAK+uD,WAAY/uD,KAAKgvD,c,EAGtFV,aAAA,WACMtuD,KAAKygD,QAITzgD,KAAK8tD,iBAAmB9nD,OAAOg2C,kBAC/Bh8C,KAAK26B,IAAI8mB,WAAazhD,KAAK0uD,YAAY1uD,KAAKyhD,YAC5C5K,cAAc72C,KAAKygD,OACnBzgD,KAAKygD,MAAQzJ,YAAYh3C,KAAKwuD,iBAAiBluD,KAAKN,MAAO,KAC3DA,KAAKwuD,qB,EAGPP,YAAA,WACEjuD,KAAK+tD,iBAAmB,GACxB/tD,KAAKyhD,WAAa,KAClBzhD,KAAK8tD,iBAAmB9nD,OAAOg2C,kBAC3Bh8C,KAAKygD,QACPzgD,KAAKygD,MAAQ5J,cAAc72C,KAAKygD,OAChCzgD,KAAKygD,MAAQ,O,EAgCV0N,eAAP,SAAuBnxB,EAAO+wB,GAC5B,YADmD,IAAvBA,MAAmB,KACH,IAArCA,EAAiBnkD,QAAQozB,I,EAG3B8xB,uBAAP,SAA+B3tB,EAAQvoB,EAAOC,GAC5C,IAAKsoB,GAAWA,IAAWA,EAAOn6B,OAChC,OAAQ,EAiBV,IAZA,IAA6By2C,EAAUlB,EAUnC0S,EAAgB9tB,EAAOn6B,OAAS,EAE3BU,EAAI,EAAGA,EAAIy5B,EAAOn6B,OAAQU,GAAK,EAAG,CACzC,IAAMs1B,EAAQmE,EAAOz5B,GACrB,IAAKs1B,EAAMpkB,OAASA,GAASokB,EAAMnkB,QAAUA,KAdlB4kC,EAciDzgB,IAdvCuf,EAc8Cpb,EAAOz5B,EAAI,KATvF+1C,EAAS7kC,QAAU2jC,EAAU3jC,OAAS6kC,EAAS5kC,SAAW0jC,EAAU1jC,QASwB,CACjGo2C,EAAgBvnD,EAChB,OAIJ,OAAOunD,G,gDAtCP,IAAIl2C,EAAa,EACjB,IACEA,EAAazO,OAAO4kD,iBACpB,MAAO7sD,IACT,OAAO0W,M,oCAxBP,IAAIH,EACEupB,EAAQniC,KAAKmiC,MAKnB,OAJIA,IACFvpB,EAAQupB,EAAMvpB,OAASupB,EAAMgtB,aAAehtB,EAAMitB,YAClDx2C,GAASi1C,EAAmBwB,oBAEvBz2C,I,kCAIP,IAAIC,EACEspB,EAAQniC,KAAKmiC,MAKnB,OAJIA,IACFtpB,EAASspB,EAAMtpB,QAAUspB,EAAMmtB,cAAgBntB,EAAMotB,aACrD12C,GAAUg1C,EAAmBwB,oBAExBx2C,O,gCAtIsB6hB,G,ICCzB3H,GAAgBzoB,OAAhByoB,YAuEOy8B,G,oBApEb,WAAa70B,GAAK,OAChB,YAAMA,EAAK3nB,IAAMxQ,kBADD,K,kHAIlBkP,QAAA,WACM1R,KAAKygD,OACP5J,cAAc72C,KAAKygD,OAGrBzgD,KAAKyvD,iCAAkC,G,EAGzC7D,iBAAA,SAAkB9kD,GAChB,IAAMgL,EAAS9R,KAAK26B,IAAI7oB,OACpBA,EAAO49C,oBAEoC,mBAD/B1vD,KAAKsd,MAAQxW,EAAKq7B,iBAAiB73B,OAAO+jD,iBAAmBvnD,EAAKq7B,MAAQ,MACvEwtB,0BACf3vD,KAAKyvD,iCAAkC,GAGzC5Y,cAAc72C,KAAKygD,OACnBzgD,KAAKygD,MAAQzJ,YAAYh3C,KAAK4vD,iBAAiBtvD,KAAKN,MAAO8R,EAAO+9C,8B,EAItEC,SAAA,SAAUxyC,EAAOyyC,EAAeC,GAC9B,IAAIrhB,EAAc5b,GAAYzM,MAC9B,GAAIypC,EAAe,CACjB,GAAI/vD,KAAKiwD,SAAU,CACjB,IAAIC,EAAgBvhB,EAAc3uC,KAAKiwD,SACrCE,EAAiBH,EAAgBhwD,KAAKowD,kBACtCC,EAAiBN,EAAgB/vD,KAAKswD,kBACtCC,EAAa,IAAOJ,EAAiBD,EACrCv1B,EAAM36B,KAAK26B,IAEb,GADAA,EAAI5nB,QAAQC,IAAM3N,SAAU,CAAE8qD,eAAgBA,EAAgBE,eAAgBA,EAAgBG,mBAAoBR,IAC9GO,EAAa,GAEXJ,EAAiBx1B,EAAI7oB,OAAO2+C,8BAAgCJ,EAAgB,CAC9E,IAAIxS,EAAeljB,EAAIkjB,aACvBv7C,IAAOpB,KAAK,mEAAqE28C,GAC7EA,EAAe,KAAgC,IAA1BljB,EAAImzB,kBAA2BnzB,EAAImzB,kBAAoBjQ,KAC9EA,GAA8B,EAC9BljB,EAAI5nB,QAAQC,IAAM1N,uBAAwB,CAAE03B,MAAO6gB,EAAcuQ,aAAczzB,EAAIkjB,eACnFljB,EAAImzB,iBAAmBjQ,EACvBljB,EAAIg0B,iBAAiBxS,oBAK7Bn8C,KAAKiwD,SAAWthB,EAChB3uC,KAAKowD,kBAAoBJ,EACzBhwD,KAAKswD,kBAAoBP,I,EAI7BH,iBAAA,WACE,IAAMtyC,EAAQtd,KAAKsd,MACnB,GAAIA,EACF,GAAItd,KAAKyvD,gCAAiC,CACxC,IAAIiB,EAAuBpzC,EAAMqyC,0BACjC3vD,KAAK8vD,SAASxyC,EAAOozC,EAAqBC,iBAAkBD,EAAqBE,yBAEjF5wD,KAAK8vD,SAASxyC,EAAOA,EAAMuzC,wBAAyBvzC,EAAMwzC,0B,GA/DtCp2B,G,GCJYpwB,OAAhCyoB,G,GAAAA,YAAag+B,G,GAAAA,eAgKNC,G,WA7Jb,WAAal/C,GACPA,GAAUA,EAAOm/C,WACnBjxD,KAAKixD,SAAWn/C,EAAOm/C,U,2BAI3Bv/C,QAAA,WACE1R,KAAKmmC,QACLnmC,KAAKk9B,OAAS,M,EAGhBiJ,MAAA,WACE,IAAIjJ,EAASl9B,KAAKk9B,OACdA,GAAgC,IAAtBA,EAAOyd,aACnB36C,KAAKwzB,MAAMyzB,SAAU,EACrB/pB,EAAOiJ,SAGT77B,OAAO4sC,aAAal3C,KAAKkxD,gBACzBlxD,KAAKkxD,eAAiB,KACtB5mD,OAAO4sC,aAAal3C,KAAKmxD,cACzBnxD,KAAKmxD,aAAe,M,EAGtB5rB,KAAA,SAAMziB,EAAShR,EAAQs/C,GACrBpxD,KAAK8iB,QAAUA,EACf9iB,KAAK8R,OAASA,EACd9R,KAAKoxD,UAAYA,EACjBpxD,KAAKwzB,MAAQ,CAAE+uB,SAAUxvB,GAAYzM,MAAO+qC,MAAO,GACnDrxD,KAAKgmC,WAAal0B,EAAOk0B,WACzBhmC,KAAKsxD,gB,EAGPA,aAAA,WACE,IAAIC,EAAKzuC,EAAU9iB,KAAK8iB,QACxByuC,EAAMvxD,KAAKk9B,OAAS,IAAI6zB,GAExB,IAAIv9B,EAAQxzB,KAAKwzB,MACjBA,EAAM6rB,OAAS,EACf7rB,EAAMoW,OAAS,EACf,IAAMqnB,EAAWjxD,KAAKixD,SAEtB,IACE,GAAIA,EACF,IACEA,EAASM,EAAKzuC,EAAQzZ,KACtB,MAAOhH,GAGPkvD,EAAIC,KAAK,MAAO1uC,EAAQzZ,KAAK,GAC7B4nD,EAASM,EAAKzuC,EAAQzZ,KAGrBkoD,EAAI5W,YACP4W,EAAIC,KAAK,MAAO1uC,EAAQzZ,KAAK,GAE/B,MAAOhH,GAGP,YADArC,KAAKoxD,UAAUpqB,QAAQ,CAAEomB,KAAMmE,EAAIE,OAAQroD,KAAM/G,EAAEyQ,SAAWgQ,EAASyuC,GAIrEzuC,EAAQ0lB,UACV+oB,EAAIG,iBAAiB,QAAS,SAAW5uC,EAAQylB,WAAa,KAAOzlB,EAAQ0lB,SAAW,IAG1F+oB,EAAII,mBAAqB3xD,KAAK4xD,iBAAiBtxD,KAAKN,MACpDuxD,EAAIM,WAAa7xD,KAAKkqC,aAAa5pC,KAAKN,MACxCuxD,EAAI9rB,aAAe3iB,EAAQ2iB,aAG3BzlC,KAAKkxD,eAAiB5mD,OAAO8sC,WAAWp3C,KAAKmnC,YAAY7mC,KAAKN,MAAOA,KAAK8R,OAAOi0B,SACjFwrB,EAAIO,Q,EAGNF,iBAAA,SAAkB1uC,GAChB,IAAIquC,EAAMruC,EAAM6uC,cACdpX,EAAa4W,EAAI5W,WACjBnnB,EAAQxzB,KAAKwzB,MACb1Q,EAAU9iB,KAAK8iB,QACfhR,EAAS9R,KAAK8R,OAGhB,IAAI0hB,EAAMyzB,SAKNtM,GAAc,EAOhB,GALArwC,OAAO4sC,aAAal3C,KAAKkxD,gBACJ,IAAjB19B,EAAM6rB,SACR7rB,EAAM6rB,OAAS94C,KAAK0V,IAAI8W,GAAYzM,MAAOkN,EAAM+uB,WAGhC,IAAf5H,EAAkB,CACpB,IAAI8W,EAASF,EAAIE,OAEjB,GAAIA,GAAU,KAAOA,EAAS,IAAK,CAEjC,IAAI3qD,EAAMoD,EADVspB,EAAMgU,MAAQjhC,KAAK0V,IAAIuX,EAAM6rB,OAAQtsB,GAAYzM,OAI/Cpc,EAF2B,gBAAzB4Y,EAAQ2iB,cACV3+B,EAAOyqD,EAAI1sB,UACAn8B,YAEX5B,EAAOyqD,EAAIS,cACAhrD,OAEbwsB,EAAMoW,OAASpW,EAAM4rB,MAAQl1C,EAC7B,IAAI26B,EAAW,CAAEx7B,IAAKkoD,EAAIU,YAAanrD,KAAMA,GAC7C9G,KAAKoxD,UAAUtqB,UAAUjC,EAAUrR,EAAO1Q,EAASyuC,QAG/C/9B,EAAM69B,OAASv/C,EAAOg0B,UACxBxjC,IAAOlB,MAASqwD,EAAhB,kBAAwC3uC,EAAQzZ,KAChDrJ,KAAKoxD,UAAUpqB,QAAQ,CAAEomB,KAAMqE,EAAQroD,KAAMmoD,EAAIW,YAAcpvC,EAASyuC,KAGxEjvD,IAAOpB,KAAQuwD,EAAf,kBAAuC3uC,EAAQzZ,IAA/C,iBAAmErJ,KAAKgmC,WAAxE,OAEAhmC,KAAK0R,UAEL1R,KAAKmxD,aAAe7mD,OAAO8sC,WAAWp3C,KAAKsxD,aAAahxD,KAAKN,MAAOA,KAAKgmC,YAEzEhmC,KAAKgmC,WAAaz/B,KAAKgX,IAAI,EAAIvd,KAAKgmC,WAAYl0B,EAAOm0B,eACvDzS,EAAM69B,cAKVrxD,KAAKkxD,eAAiB5mD,OAAO8sC,WAAWp3C,KAAKmnC,YAAY7mC,KAAKN,MAAO8R,EAAOi0B,U,EAKlFoB,YAAA,WACE7kC,IAAOpB,KAAP,yBAAqClB,KAAK8iB,QAAQzZ,KAClDrJ,KAAKoxD,UAAUlqB,UAAUlnC,KAAKwzB,MAAOxzB,KAAK8iB,QAAS,O,EAGrDonB,aAAA,SAAchnB,GACZ,IAAIquC,EAAMruC,EAAM6uC,cACdv+B,EAAQxzB,KAAKwzB,MAEfA,EAAMoW,OAAS1mB,EAAM0mB,OACjB1mB,EAAMivC,mBACR3+B,EAAM4rB,MAAQl8B,EAAMk8B,OAGtB,IAAInV,EAAajqC,KAAKoxD,UAAUnnB,WAC5BA,GAEFA,EAAWzW,EAAOxzB,KAAK8iB,QAAS,KAAMyuC,I,gLC0P7Ba,G,oBAhYb,WAAaz3B,GAAK,aAChB,cAAMA,EACJ3nB,IAAM5P,iBACN4P,IAAM1P,gBACN0P,IAAM9O,mBACN8O,IAAMhP,qBACNgP,IAAMtP,aACNsP,IAAMzN,QANR,MAcK8sD,UAAY,EAOjB,EAAKC,qBAAsB,EAO3B,EAAKt6C,OAAS,GAOd,EAAKu6C,iBAAmBhyD,OAAOmjB,OAAO,MAQtC,EAAK8+B,aAAe,KA5CJ,E,wHAkDlBld,kBAAA,WACEtlC,KAAKgY,OAAS,GACdhY,KAAKqyD,UAAY,EACjBryD,KAAKsyD,qBAAsB,G,EAU7BnV,iBAAA,SAAkBr2C,GAChB,IAAMkR,EAAShY,KAAKgY,OAASlR,EAAK+gC,aAAe,GACjD7nC,KAAK26B,IAAI5nB,QAAQC,IAAMlP,qBAAsB,CAAE+jC,YAAa7vB,IAE5DhY,KAAKwyD,kBAAkBxyD,KAAK26B,IAAIse,gB,EAUlCwZ,mBAAA,SAAoB3rD,GAClB,GAAIA,EAAKuS,IAAMrZ,KAAKgY,OAAOhR,OACzB1E,IAAOpB,KAAK,0BAA2B4F,EAAKuS,QAD9C,CAWA,GANA/W,IAAOrB,IAAP,cAAyB6F,EAAKuS,GAA9B,WAEArZ,KAAKgY,OAAOlR,EAAKuS,IAAInG,QAAUpM,EAAKoM,QAIhCpM,EAAKoM,QAAQirB,OAASn+B,KAAK82C,cAAe,CAG5C,IAAM4b,EAA+C,IAA9B5rD,EAAKoM,QAAQsrB,eACpCx+B,KAAKg3C,YAAY0b,IAGd5rD,EAAKoM,QAAQirB,MAAQn+B,KAAK82C,eAE7B92C,KAAK62C,kB,EAYTiI,qBAAA,SAAsBh4C,GACpB,IAAM07C,EAAexiD,KAAKgY,OAAOlR,EAAKuS,IAAI+oB,QACtCogB,GAAiBxiD,KAAKwiD,eAAiBA,IACzCxiD,KAAKwiD,aAAeA,I,EAaxBjF,cAAA,SAAez2C,GACb9G,KAAKwyD,kBAAkB1rD,EAAKk2B,Q,EAS9BgK,QAAA,SAASlgC,GAEHA,EAAKvF,OAASsE,IAAWgjC,gBAKzB/hC,EAAKsM,OACPpT,KAAK62C,gBAIH/vC,EAAKoM,UAAYpN,IAAasjC,yBAIlC9mC,IAAOpB,KAAK,qCAAsC4F,EAAKgc,QAAQzJ,IAC/DrZ,KAAK2yD,sB,EA8BPC,eAAA,SAAgBC,GAEd,GAAI7yD,KAAKqyD,WAAaQ,GAAS7yD,KAAKgY,OAAOhY,KAAKqyD,UAAUn/C,QACxD5Q,IAAOtB,MAAM,oFAKf,GAAI6xD,EAAQ,GAAKA,GAAS7yD,KAAKgY,OAAOhR,OACpC1E,IAAOpB,KAAK,mDADd,CAKA,IAAMga,EAAalb,KAAKgY,OAAO66C,GAE/BvwD,IAAOrB,IAAP,sCAAiD4xD,GAGjD7yD,KAAK62C,gBACL72C,KAAKqyD,SAAWQ,EAnBK,IAqBbxpD,EAAkB6R,EAAlB7R,IAAK9H,EAAa2Z,EAAb3Z,KAAM8X,EAAO6B,EAAP7B,GACnBrZ,KAAK26B,IAAI5nB,QAAQC,IAAMjP,sBAAuB,CAAEsV,KAAI9X,OAAM8H,QAC1DrJ,KAAK8yD,0BAA0B53C,K,EAMjCi8B,OAAA,WACEn3C,KAAK+yD,aAAa/yD,KAAKqyD,W,EAOzBG,kBAAA,SAAmBvqB,GACjB,IAAMwR,EAAYz5C,KAAK26B,IAAIwG,OAAO8G,GAElC,GAAKwR,GAAcA,EAAUzJ,cAA7B,CAIA,IAAMwS,EAAe/I,EAAUzJ,cAAcyJ,EAAU1c,OACnD/8B,KAAKwiD,eAAiBA,IACxBxiD,KAAKwiD,aAAeA,EACpBxiD,KAAKgzD,8B,EAQTA,yBAAA,WAA4B,WACtBh7C,EAAShY,KAAKgY,OAClB,GAAKA,EAAOhR,OAAZ,CAIA,IAAMisD,EAAoBjzD,KAAKgY,OAAOhY,KAAKqyD,UAEvCtlD,EAAO,KAMX,GALIkmD,IACFlmD,EAAOkmD,EAAkBlmD,MAIvB/M,KAAKsyD,oBAAqB,CAC5B,IAAMY,EAAgBl7C,EAAOuJ,QAAO,SAAC3J,GAAD,OAAWA,EAAMwf,WACjD87B,EAAclsD,OAChBgR,EAASk7C,EAET5wD,IAAOpB,KAAK,mCAIhB,IAAIiyD,GAAa,EAEXC,EAAiB,WAErBp7C,EAAO7V,SAAQ,SAACyV,GACVu7C,GAKE,EAAK3Q,cAAgB5qC,EAAMwqB,UAAY,EAAKogB,cAC9Cz1C,GAAQA,IAAS6K,EAAM7K,OAGzB,EAAK6lD,eAAeh7C,EAAMyB,IAC1B85C,GAAa,OAKnBC,IAEKD,IACHpmD,EAAO,KACPqmD,KAGGD,IACH7wD,IAAOlB,MAAP,8CAA2DpB,KAAKwiD,cAEhExiD,KAAK26B,IAAI5nB,QAAQC,IAAMzN,MAAO,CAC5BhE,KAAMsE,IAAWoN,YACjBC,QAASpN,IAAasjC,uBACtBh2B,OAAO,O,EAUbigD,mBAAA,SAAoBn4C,GAAY,IACtBhI,EAAiBgI,EAAjBhI,QAAS7J,EAAQ6R,EAAR7R,IAEjB,QAAK6J,IAAWA,EAAQirB,SAEb90B,G,EAUbypD,0BAAA,SAA2B53C,GACzB,GAAIlb,KAAKqzD,mBAAmBn4C,GAAa,KAC/B7R,EAAY6R,EAAZ7R,IAAKgQ,EAAO6B,EAAP7B,GAEb/W,IAAOrB,IAAP,wCAAmDoY,GACnDrZ,KAAK26B,IAAI5nB,QAAQC,IAAM/O,oBAAqB,CAAEoF,MAAKgQ,S,EAQvD05C,aAAA,SAAcF,GAEZ,KAAIA,EAAQ,GAAKA,GAAS7yD,KAAKgY,OAAOhR,QAAtC,CAKAhH,KAAK62C,gBACL72C,KAAKqyD,SAAWQ,EAChBvwD,IAAOrB,IAAP,gCAA2C4xD,GAC3C,IAAM33C,EAAalb,KAAKgY,OAAO66C,GAC/B7yD,KAAK8yD,0BAA0B53C,K,EAMjCy3C,iBAAA,WAEE3yD,KAAKuyD,iBAAiBvyD,KAAKqyD,WAAY,EAGvC,IAAMiB,EAAatzD,KAAKqyD,SALN,EAMkBryD,KAAKgY,OAAOs7C,GAAxCvmD,EANU,EAMVA,KAAMwmD,EANI,EAMJA,SAAUnxB,EANN,EAMMA,QAExB9/B,IAAOpB,KAAP,qCAAiDoyD,EAAjD,eAA0ElxB,EAA1E,qBAAsGr1B,EAAtG,QAAkHwmD,EAAlH,KAKA,IADA,IAAIV,EAAQS,EACH5rD,EAAI,EAAGA,EAAI1H,KAAKgY,OAAOhR,OAAQU,IAAK,CAC3C,IAAI1H,KAAKuyD,iBAAiB7qD,GAI1B,GADiB1H,KAAKgY,OAAOtQ,GAChBqF,OAASA,EAAM,CAC1B8lD,EAAQnrD,EACR,OAIAmrD,IAAUS,GAKdhxD,IAAOrB,IAAI,sCAAuC4xD,EAAO,YAAa7yD,KAAKgY,OAAO66C,GAAOzwB,SAEzFpiC,KAAK4yD,eAAeC,IANlBvwD,IAAOpB,KAAP,qDAAiE6L,EAAjE,QAA6EwmD,EAA7E,M,0CAtNF,OAAOvzD,KAAKgY,S,iCAOZ,OAAOhY,KAAKqyD,U,aAMEQ,GACd7yD,KAAK4yD,eAAeC,GAEpB7yD,KAAKsyD,qBAAsB,O,gCAjLIhc,I,2KCV3BvjB,GAAgBzoB,OAAhByoB,YAuyBOygC,G,oBAlyBb,WAAa74B,EAAK0Z,GAAiB,aACjC,cAAM1Z,EACJ3nB,IAAMvQ,eACNuQ,IAAMtQ,gBACNsQ,IAAMlP,qBACNkP,IAAMjP,sBACNiP,IAAM9O,mBACN8O,IAAMtN,WACNsN,IAAMpO,YACNoO,IAAMlO,0BACNkO,IAAM/N,kBACN+N,IAAM9N,YACN8N,IAAMzN,MACNyN,IAAMpQ,aACNoQ,IAAMlQ,eACNkQ,IAAMhQ,gBACNgQ,IAAM7P,eACN6P,IAAMxO,iBAhBR,MAiBK6vC,gBAAkBA,EACvB,EAAKviC,OAAS6oB,EAAI7oB,OAClB,EAAK4mC,gBAAiB,EACtB,EAAKC,OAAStB,GACd,EAAKz6B,QAAU,GACf,EAAK62C,gBAAkB,KACvB,EAAKC,aAAe,KAxBa,E,wHA4BnCC,eAAA,SAAgB7sD,GACd,IAAI8sD,EAAY9sD,EAAKuS,GAAIujB,EAAK91B,EAAKyoB,KAAKqN,GAAIhgB,EAAU9V,EAAK8V,QACzC,SAAdg3C,IAGF5zD,KAAK4c,QAAQggB,GAAMhgB,EACnB5c,KAAK0zD,aAAe92B,EACpBt6B,IAAOrB,IAAP,mBAA8B27B,EAA9B,4BAA4DhgB,GAIxD5c,KAAKiyB,QAAUolB,IACjBr3C,KAAK22C,S,EAKXY,UAAA,SAAWY,GACT,GAAIn4C,KAAKgY,OAAQ,CACf,IAAI48B,EAAkB50C,KAAK40C,gBAC3B50C,KAAKw3C,WACLx3C,KAAKg3C,YApDW,KAqDhBh3C,KAAK84C,cAAgB,EACjBlE,EAAkB,IAAwB,IAAnBuD,GACzB71C,IAAOrB,IAAP,sDAAiE2zC,EAAgB1C,QAAQ,IACzFlyC,KAAKiyB,MAAQolB,KAEbr3C,KAAK40C,gBAAkB50C,KAAKm4C,cAAgBn4C,KAAKm4C,cAAgBA,EACjEn4C,KAAKiyB,MAAQolB,IAEfr3C,KAAKk4C,iBAAmBl4C,KAAKm4C,cAAgBn4C,KAAK40C,gBAClD50C,KAAK22C,YAEL32C,KAAKm4C,cAAgBA,EACrBn4C,KAAKiyB,MAAQolB,I,EAgBjBF,OAAA,WACE,IAAIvlB,EAAKha,EAAOi8C,EAAcl5B,EAAM36B,KAAK26B,IAAK7oB,EAAS6oB,EAAI7oB,OAE3D,OAAQ9R,KAAKiyB,OACb,KAAKolB,GAEL,KAAKA,GAEL,KAAKA,GACH,MACF,KAAKA,GACHr3C,KAAKiyB,MAAQolB,GACbr3C,KAAKi4C,gBAAiB,EACtB,MACF,KAAKZ,GACH,IAAMr/B,EAAShY,KAAKgY,OAEpB,IAAKA,EACH,MAOF,IAAKhY,KAAKmiC,QACLniC,KAAK+4C,qBAAuBjnC,EAAO0nC,mBACtC,MAMF,GAAIx5C,KAAKi4C,eACPrmB,EAAM5xB,KAAKmiC,MAAMwM,iBAGjB,QAAYh9B,KADZigB,EAAM5xB,KAAKk4C,kBAET,MAGJ,IAAI/V,EAAQniC,KAAK63C,YAAc73C,KAAK63C,YAAc73C,KAAKmiC,MACrD4c,EAAc/+C,KAAK++C,YAAc/+C,KAAK++C,YAAc/+C,KAAKmiC,MACzDyL,EAAaF,EAAaE,WAAWzL,EAAOvQ,EAAK9f,EAAOsO,eACxD0zC,EAAiBpmB,EAAaE,WAAWmR,EAAantB,EAAK9f,EAAOsO,eAClEkuB,EAAYV,EAAW1jC,IACvBskC,EAAYZ,EAAW1lC,IACvB4rC,EAAe9zC,KAAK8zC,aAIpBigB,EAAkBxtD,KAAKgX,IAAIzL,EAAO+nC,gBAAiB/nC,EAAOgoC,oBAC1DJ,EAAYnzC,KAAK0V,IAAI83C,EAAiBD,EAAe5pD,KACrD8pD,EAAch0D,KAAKg0D,YACnBx+B,EAAUx1B,KAAKw1B,QAGjB,IAAK8Y,EAAYoL,GAAasa,IAAgBx+B,EAAUxd,EAAOhR,OAAQ,CAGrE,QAA4B,KAF5B6sD,EAAe77C,EAAOwd,GAAStiB,SAEU,CACvClT,KAAKiyB,MAAQolB,GACb,MAGF,IAAK2c,GAAeh0D,KAAK03C,aAAa9J,EAAYimB,GAGhD,OAFA7zD,KAAK26B,IAAI5nB,QAAQC,IAAM/P,WAAY,CAAE1B,KAAM,eAC3CvB,KAAKiyB,MAAQolB,IAKf,IAIE9nB,EAJE2O,EAAY21B,EAAa31B,UAC3B8b,EAAU9b,EAAUl3B,OACpBkb,EAAQgc,EAAU,GAAGhc,MACrBha,EAAMg2B,EAAU8b,EAAU,GAAG93B,MAAQgc,EAAU8b,EAAU,GAAGxiC,SAI9D,GAAIw8C,EACF,GAAIH,EAAa11B,OAAS01B,EAAajjB,SACrCtuC,IAAOrB,IAAI,sEACXutC,EAAY,OAIZ,GAFAA,EAAY5c,EAERiiC,EAAajjB,UAAYhf,EAAM1P,EAAO,CAExC,KAAI0rB,EAAW1lC,IAAMga,GAAS0rB,EAAWI,WAIvC,OAHA1rC,IAAOrB,IAAI,yEACXjB,KAAKmiC,MAAMwM,YAAczsB,EAAQ,IAOzC,GAAI2xC,EAAa75C,cAAgB65C,EAAa75C,YAAYlT,KACxDyoB,EAAOskC,EAAa75C,iBAGjB,GAAIw0B,GAAatsB,GAMpB,GALAqN,EAAO2O,EAAU,GACS,OAAtBl+B,KAAK0zD,cAAyBnkC,EAAKqN,KAAO58B,KAAK0zD,eAEjDnkC,EjB3LL,SAAyB2O,EAAW+1B,GACzC,OAAOhnB,EAAaC,OAAOhP,GAAW,SAAC+V,GACrC,OAAIA,EAAUrX,GAAKq3B,EACV,EACEhgB,EAAUrX,GAAKq3B,GAChB,EAED,KiBoLMC,CAAeh2B,EAAWl+B,KAAK0zD,eAEpCG,EAAa11B,MAAQ5O,EAAK4kC,SAAW5kC,EAAK4kC,UAAYn0D,KAAKo0D,YAAa,CAG1E,IAAMC,EAAezmB,EAAWI,UAAYJ,EAAWI,UAAY9rB,EAGnE,OAFA5f,IAAOrB,IAAP,uCAAkDjB,KAAKmiC,MAAMwM,YAA7D,eAAsF0lB,EAAe,WACrGr0D,KAAKmiC,MAAMwM,YAAc0lB,EAAe,UAGrC,CACL,IAAIC,EACA5lB,EAAyB58B,EAAO48B,uBAC9BqF,EAAWD,EAAe5V,EAAU4V,EAAah8B,GAAKomB,EAAU,GAAGpmB,GAAK,QAAKnG,EAC/EqiC,EAA8B,SAACC,GAejC,IAAIC,EAA2B3tC,KAAKgX,IAAImxB,EAAwBuF,EAAUz8B,UAC1E,OAAKy8B,EAAU/xB,MAAQ+xB,EAAUz8B,SAAW08B,GAA6B1F,EAChE,EACEyF,EAAU/xB,MAAQgyB,EAA2B1F,GAAayF,EAAU/xB,OAErE,EAGH,GAGLssB,EAAYtmC,GACVsmC,EAAYtmC,EAAMwmC,IACpBA,EAAyB,GAKzB4lB,EADEvgB,IAAaC,EAA4BD,GAC/BA,EAEA9G,EAAaC,OAAOhP,EAAW8V,IAI7CsgB,EAAYp2B,EAAU8b,EAAU,GAE9Bsa,IACF/kC,EAAO+kC,EACPpyC,EAAQoyC,EAAUpyC,MAEd4xB,GAAgBvkB,EAAKyN,QAAU8W,EAAa9W,OAASzN,EAAKzX,KAAOg8B,EAAah8B,KAC5EyX,EAAKzX,GAAK+7C,EAAa51B,OACzB1O,EAAO2O,EAAU3O,EAAKzX,GAAK,EAAI+7C,EAAav1B,SAC5Ch8B,IAAOrB,IAAP,kCAA6CsuB,EAAKzX,KAElDyX,EAAO,OAKXA,IAEEA,EAAK6qB,WACP93C,IAAOrB,IAAP,mBAA8BsuB,EAAKzX,GAAnC,QAA6C+7C,EAAav1B,QAA1D,KAAsEu1B,EAAa51B,MAAnF,WAAmGzI,GACnGx1B,KAAKiyB,MAAQolB,GACb1c,EAAI5nB,QAAQC,IAAMvN,YAAa,CAAE8pB,KAAMA,MAEvCjtB,IAAOrB,IAAP,WAAsBsuB,EAAKzX,GAA3B,SAAsCyX,EAAKqN,GAA3C,QAAqDi3B,EAAav1B,QAAlE,KAA8Eu1B,EAAa51B,MAA3F,WAA2GzI,EAA3G,iBAAmI5D,EAAnI,cAAoJ4c,EAAU0D,QAAQ,IAGtKlyC,KAAKy3C,YAAcloB,GACfykC,GAAeh0D,KAAKq0C,gBAAgB3H,SAASnd,KAAUqb,KACzC,gBAAZrb,EAAKzX,KACP9X,KAAK+4C,oBAAqB,GAExB,YAAgBxpB,EAAKzX,MACvB9X,KAAKk4C,iBAAmB3oB,EAAKrN,MAAQqN,EAAK/X,UAG5CmjB,EAAI5nB,QAAQC,IAAMvO,aAAc,CAAE8qB,SAClCvvB,KAAKiyB,MAAQolB,MAKrB,MACF,KAAKA,IACHz/B,EAAQ5X,KAAKgY,OAAOhY,KAAKw1B,WAEZ5d,EAAM1E,UACjBlT,KAAKiyB,MAAQolB,IAGf,MACF,KAAKA,GACH,IAAI/wB,EAAMyM,GAAYzM,MAClB8yB,EAAYp5C,KAAKo5C,UAEjBmb,GADJpyB,EAAQniC,KAAKmiC,QACYA,EAAMuS,UAE1B0E,GAAc9yB,GAAO8yB,GAAcmb,KACtCjyD,IAAOrB,IAAI,uEACXjB,KAAKiyB,MAAQolB,IAEf,MACF,KAAKA,GACH,IAAMqc,EAAe1zD,KAAK0zD,aAC1B,QAAmC/hD,IAA/B3R,KAAK4c,QAAQ82C,GACf,MAIF,IAAMc,EAAcx0D,KAAKyzD,gBACzB,GAAIe,EAAa,CACf,IAAMC,EAAgBD,EAAYjlC,KAAKqN,GACnC82B,IAAiBe,GACnB78C,EAAQ5X,KAAKgY,OAAOhY,KAAKw1B,UACftiB,SAAW0E,EAAM1E,QAAQirB,OACjC77B,IAAOpB,KAAP,wBAAoCuzD,EAApC,oCAAqFf,EAArF,KACA1zD,KAAKyzD,gBAAkB,KACvBzzD,KAAKiyB,MAAQolB,KAGfr3C,KAAKiyB,MAAQolB,GACbr3C,KAAK2sC,aAAa3sC,KAAKyzD,iBACvBzzD,KAAKyzD,gBAAkB,WAGzBzzD,KAAKiyB,MAAQolB,K,EAenBuF,gBAAA,SAAiB91C,GACf,IAAIq7B,EAAQniC,KAAKmiC,MAAQniC,KAAK63C,YAAc/wC,EAAKq7B,MACjDniC,KAAK68C,WAAa78C,KAAK43C,eAAet3C,KAAKN,MAC3CA,KAAKg9C,SAAWh9C,KAAKo4C,aAAa93C,KAAKN,MACvCmiC,EAAMhI,iBAAiB,UAAWn6B,KAAK68C,YACvC1a,EAAMhI,iBAAiB,QAASn6B,KAAKg9C,UACrC,IAAIlrC,EAAS9R,KAAK8R,OACd9R,KAAKgY,QAAUlG,EAAOmrC,eACxBj9C,KAAKu3C,UAAUzlC,EAAOqmC,gB,EAI1B+E,iBAAA,WACE,IAAI/a,EAAQniC,KAAKmiC,MACbA,GAASA,EAAM+S,QACjB5yC,IAAOrB,IAAI,sDACXjB,KAAKm4C,cAAgBn4C,KAAK40C,gBAAkB,GAI1CzS,IACFA,EAAMuN,oBAAoB,UAAW1vC,KAAK68C,YAC1C1a,EAAMuN,oBAAoB,QAAS1vC,KAAKg9C,UACxCh9C,KAAK68C,WAAa78C,KAAK88C,UAAY98C,KAAKg9C,SAAW,MAErDh9C,KAAKmiC,MAAQniC,KAAK63C,YAAc73C,KAAK++C,YAAc,KACnD/+C,KAAKi4C,gBAAiB,EACtBj4C,KAAKq0C,gBAAgBrH,qBACrBhtC,KAAKw3C,Y,EAGPkd,qBAAA,SAAsB5tD,GACpBxE,IAAOrB,IAAI,wBACXjB,KAAKgY,OAASlR,EAAK+gC,a,EAGrBgX,sBAAA,SAAuB/3C,GAErB,IAAI+xC,IAAa/xC,EAAKuC,IACtBrJ,KAAKw1B,QAAU1uB,EAAKuS,GAEpBrZ,KAAKy3C,YAAc,KACnBz3C,KAAKiyB,MAAQolB,GACbr3C,KAAKyzD,gBAAkB,KAElB5a,EAOH74C,KAAKg3C,YAtYW,KAgYZh3C,KAAKkzB,UACPlzB,KAAKkzB,QAAQxhB,UACb1R,KAAKkzB,QAAU,MAQf2lB,IACF74C,KAAKg0D,aAAc,EAEnBh0D,KAAKiyB,MAAQolB,IAEfr3C,KAAK22C,Q,EAGP8b,mBAAA,SAAoB3rD,GAClB,IAAIiqC,EAAajqC,EAAKoM,QACpBsiB,EAAU1uB,EAAKuS,GACfzB,EAAQ5X,KAAKgY,OAAOwd,GACpBhe,EAAWu5B,EAAWtS,cACtB2T,EAAU,EAIZ,GAFA9vC,IAAOrB,IAAP,SAAoBu0B,EAApB,YAAuCub,EAAWzS,QAAlD,IAA6DyS,EAAW9S,MAAxE,cAA2FzmB,GAEvFu5B,EAAW5S,KAAM,CACnB,IAAIwU,EAAa/6B,EAAM1E,QACnBy/B,GAAc5B,EAAW7S,UAAUl3B,OAAS,GAE9C02C,GAAyB/K,EAAY5B,GACrCqB,EAAUrB,EAAW7S,UAAU,GAAGhc,MAG9B6uB,EAAWH,SACbtuC,IAAOrB,IAAP,+BAA0CmxC,EAAQF,QAAQ,IAE1D5vC,IAAOrB,IAAI,yDAGb8vC,EAAWH,UAAW,EACtBtuC,IAAOrB,IAAI,2DAGb8vC,EAAWH,UAAW,EAKxB,GAHAh5B,EAAM1E,QAAU69B,GAGX/wC,KAAK+4C,mBAAoB,CAE5B,IAA4B,IAAxB/4C,KAAKm4C,cAAsB,CAE7B,IAAI5Z,EAAkBwS,EAAWxS,gBAC7B,YAAgBA,IAClBj8B,IAAOrB,IAAP,gEAA2Es9B,GAC3Ev+B,KAAKm4C,cAAgB5Z,GAEjBwS,EAAW5S,MACbn+B,KAAKm4C,cAAgBn4C,KAAKq4C,oBAAoBjG,EAASrB,GACvDzuC,IAAOrB,IAAP,4CAAuDjB,KAAKm4C,gBAE5Dn4C,KAAKm4C,cAAgB,EAI3Bn4C,KAAKk4C,iBAAmBl4C,KAAKm4C,cAG3Bn4C,KAAKiyB,QAAUolB,KACjBr3C,KAAKiyB,MAAQolB,IAIfr3C,KAAK22C,Q,EAGPgH,YAAA,WACM39C,KAAKiyB,QAAUolB,KACjBr3C,KAAKiyB,MAAQolB,GACbr3C,KAAK22C,S,EAIThK,aAAA,SAAc7lC,GACZ,IAAI2wC,EAAcz3C,KAAKy3C,YACrBmG,EAAa92C,EAAKyoB,KACpB,GAAIvvB,KAAKiyB,QAAUolB,IACfI,GACoB,UAApBmG,EAAWr8C,MACXq8C,EAAW5gB,QAAUya,EAAYza,OACjC4gB,EAAW9lC,KAAO2/B,EAAY3/B,GAAI,CACpC,IAAIF,EAAQ5X,KAAKgY,OAAOhY,KAAKw1B,SAC3BtiB,EAAU0E,EAAM1E,QAChBsE,EAAWtE,EAAQurB,cACnBjJ,EAAUiiB,EAAYza,MACtBllB,EAAK2/B,EAAY3/B,GACjB8kB,EAAK6a,EAAY7a,GACjBrX,EAAavlB,KAAK8R,OAAOkuC,mBAAqBpoC,EAAM2N,YAAc,YAClEiO,EAAQxzB,KAAKwzB,MAAQ1sB,EAAK0sB,MAC5B,GAAW,gBAAP1b,EACF9X,KAAKiyB,MAAQolB,GAEb7jB,EAAM6U,QAAU7U,EAAMsqB,UAAY/qB,GAAYzM,MAC9CpT,EAAQ8G,YAAYlT,KAAOA,EAAKqQ,QAChCnX,KAAK26B,IAAI5nB,QAAQC,IAAM7N,cAAe,CAAEquB,MAAOA,EAAOjE,KAAMkoB,EAAap+B,GAAI,UAC7ErZ,KAAK22C,WACA,CACL32C,KAAKiyB,MAAQolB,GAEbr3C,KAAKg+C,UAAW,EACXh+C,KAAKkzB,UACRlzB,KAAKkzB,QAAU,IAAI6b,EAAQ/uC,KAAK26B,IAAK,UAKvC,IAAI/d,EAAU5c,KAAK4c,QAAQggB,GACvBqhB,EAAkB/qC,EAAQ8G,YAAc9G,EAAQ8G,YAAYlT,KAAO,GACvE,GAAIoM,EAAQ8G,kBAA2BrI,IAAZiL,EAAuB,CAChD5c,KAAK+9C,kBAAmB,EACxBz7C,IAAOrB,IAAP,YAAuB6W,EAAvB,QAAiC5E,EAAQorB,QAAzC,KAAqDprB,EAAQ+qB,MAA7D,WAA6EzI,GAG7Ex1B,KAAKkzB,QAAQ7qB,KAAKvB,EAAKqQ,QAAS8mC,EAAiB14B,EAAY,KAAMkyB,EAAajgC,GADvD,EACqFoF,QAE9Gta,IAAOrB,IAAP,4CAAuD27B,EAAvD,sDAA+G9kB,EAA/G,QAAyH5E,EAAQorB,QAAjI,KAA6IprB,EAAQ+qB,MAArJ,WAAqKzI,GACrKx1B,KAAKyzD,gBAAkB3sD,EACvB9G,KAAKiyB,MAAQolB,IAInBr3C,KAAK84C,cAAgB,G,EAGvBqF,yBAAA,SAA0Br3C,GACxB,IAAM2wC,EAAcz3C,KAAKy3C,YACnB2G,EAAUt3C,EAAKyoB,KACrB,GAAIkoB,GACY,UAAZ3wC,EAAKuS,IACL+kC,EAAQtmC,KAAO2/B,EAAY3/B,IAC3BsmC,EAAQphB,QAAUya,EAAYza,OAC9Bh9B,KAAKiyB,QAAUolB,GAAe,CAChC,IAA0Bz/B,EAAtBI,EAASlR,EAAKkR,OASlB,GANIA,EAAOsF,cACFtF,EAAOsF,MAIhB1F,EAAQI,EAAOoF,MACJ,CACTxF,EAAM2mC,WAAa3mC,EAAMpE,MACzBoE,EAAMyB,GAAKvS,EAAKuS,GAChBrZ,KAAK26B,IAAI5nB,QAAQC,IAAMnQ,cAAemV,GACtC1V,IAAOrB,IAAP,+BAA0C2W,EAAMoF,UAAhD,0BAAmFpF,EAAM2mC,WAAzF,IAAuG3mC,EAAMpE,MAA7G,KACA,IAAIwG,EAAcpC,EAAMoC,YACxB,GAAIA,EAAa,CACf,IAAI26C,EAAY,CAAEpzD,KAAM,QAASuF,KAAMkT,EAAawkC,OAAQ,QAASC,QAAS,eAC1Ez+C,KAAKg0D,YACPh0D,KAAK40D,YAAc,CAACD,IAEpB30D,KAAKg+C,UAAW,EAEhBh+C,KAAK+9C,kBAAmB,EACxB/9C,KAAK26B,IAAI5nB,QAAQC,IAAMjQ,iBAAkB4xD,IAI7C30D,KAAK22C,U,EAKX+H,kBAAA,SAAmB53C,GAAM,WACjB2wC,EAAcz3C,KAAKy3C,YACnB2G,EAAUt3C,EAAKyoB,KACrB,GAAIkoB,GACY,UAAZ3wC,EAAKuS,IACS,UAAdvS,EAAKvF,MACL68C,EAAQtmC,KAAO2/B,EAAY3/B,IAC3BsmC,EAAQphB,QAAUya,EAAYza,OAC9Bh9B,KAAKiyB,QAAUolB,GAAe,CAChC,IAAI7hB,EAAUx1B,KAAKw1B,QACjB5d,EAAQ5X,KAAKgY,OAAOwd,GACpBmF,EAAM36B,KAAK26B,IAER,YAAgB7zB,EAAKuV,UACxBvV,EAAKuV,OAASvV,EAAKwV,SAAWm7B,EAAYjgC,SAC1C1Q,EAAK+Z,OAAS/Z,EAAK8Z,SAAW62B,EAAYjgC,UAG5CigC,EAAYla,oBAAoB9B,EAAsBY,OAEtD/5B,IAAOrB,IAAP,UAAqB6F,EAAKvF,KAA1B,SAAuCuF,EAAKwV,SAAS41B,QAAQ,GAA7D,IAAmEprC,EAAKuV,OAAO61B,QAAQ,GAAvF,UAAmGprC,EAAK8Z,SAASsxB,QAAQ,GAAzH,IAA+HprC,EAAK+Z,OAAOqxB,QAAQ,GAAnJ,QAA6JprC,EAAKka,IAClK08B,GAA6B9lC,EAAM1E,QAASukC,EAAa3wC,EAAKwV,SAAUxV,EAAKuV,QAE7E,IAAI23C,EAAch0D,KAAKg0D,YAAa7xB,EAAQniC,KAAKmiC,MAAO0yB,GAAsB,EAE9E,GAAIb,EACF,GAAI7xB,GAASA,EAAMwY,WAAY,CAC7B,IAAIhM,EAAcxM,EAAMwM,YACxBrsC,IAAOrB,IAAI,uCAAyC0tC,GAChDA,GAAe7nC,EAAKwV,WACtBha,IAAOrB,IAAI,8CACXjB,KAAKiyB,MAAQolB,GACb1c,EAAI5nB,QAAQC,IAAM9P,gBAAiB,CAAEu5C,YAAa,EAAGC,UAAW12C,OAAOg2C,kBAAmBz6C,KAAM,UAChGszD,GAAsB,EAEtB70D,KAAKg0D,aAAc,EACnBr5B,EAAI5nB,QAAQC,IAAMhP,qBAAsB,CAAEqV,GAAImc,UAIhDx1B,KAAKg0D,aAAc,EACnBr5B,EAAI5nB,QAAQC,IAAMhP,qBAAsB,CAAEqV,GAAImc,IAIlD,IAAIo/B,EAAc50D,KAAK40D,YAEvB,IAAKA,EAGH,OAFAtyD,IAAOpB,KAAK,8FACZy5B,EAAI5nB,QAAQC,IAAMzN,MAAO,CAAEhE,KAAMsE,IAAWoN,YAAaC,QAAS,KAAME,OAAO,IAI5EpT,KAAKg0D,cACR,CAACltD,EAAK4Z,MAAO5Z,EAAK6Z,OAAOxe,SAAQ,SAAA8G,GAC3BA,GAAUA,EAAOjC,QACnB4tD,EAAYvsD,KAAK,CAAE9G,KAAMuF,EAAKvF,KAAMuF,KAAMmC,EAAQu1C,OAAQ,QAASC,QAAS,aAG3EoW,GAAuBD,EAAY5tD,SACtC4tD,EAAYzyD,SAAQ,SAAAwyD,GAGd,EAAK1iC,QAAUolB,KAEjB,EAAK0G,kBAAmB,EACxB,EAAKpjB,IAAI5nB,QAAQC,IAAMjQ,iBAAkB4xD,OAG7C30D,KAAK40D,YAAc,GACnB50D,KAAKg+C,UAAW,IAIpBh+C,KAAK22C,S,EAITgI,aAAA,SAAc73C,GACZ,IAAM2wC,EAAcz3C,KAAKy3C,YACnB2G,EAAUt3C,EAAKyoB,KACjBkoB,GACY,UAAZ3wC,EAAKuS,IACL+kC,EAAQtmC,KAAO2/B,EAAY3/B,IAC3BsmC,EAAQphB,QAAUya,EAAYza,OAC9Bh9B,KAAKiyB,QAAUolB,KACjBr3C,KAAKwzB,MAAM6U,QAAUtV,GAAYzM,MACjCtmB,KAAKiyB,MAAQolB,GACbr3C,KAAK4+C,yB,EAITsN,cAAA,WAEElsD,KAAK63C,YAAc73C,KAAK++C,YAAc,KACtC/+C,KAAKi4C,gBAAiB,G,EAGxB+G,gBAAA,SAAiBl4C,GACf,IAAIoU,EAAapU,EAAKkR,OAAOoF,MACzBlC,IACFlb,KAAK63C,YAAc38B,EAAWjS,OAC9BjJ,KAAKi4C,gBAAiB,GAEpBnxC,EAAKkR,OAAOsF,QACdtd,KAAK++C,YAAcj4C,EAAKkR,OAAOsF,MAAMrU,S,EAIzC4jC,iBAAA,SAAkB/lC,GAChB,GAAoB,UAAhBA,EAAK03C,OAAoB,CAC3B,IAAMvsB,EAAQjyB,KAAKiyB,MACfA,IAAUolB,IAAiBplB,IAAUolB,KAEvCr3C,KAAK+9C,iBAAoBj3C,EAAKq4C,QAAU,EACxCn/C,KAAK4+C,0B,EAKXA,qBAAA,WAEE,KAAI5+C,KAAKiyB,QAAUolB,IAAkBr3C,KAAKg+C,UAAah+C,KAAK+9C,kBAAmB,CAC7E,IAAIxuB,EAAOvvB,KAAKy3C,YAAajkB,EAAQxzB,KAAKwzB,MAAOmH,EAAM36B,KAAK26B,IAC5D,GAAIpL,EAAM,CACRvvB,KAAK8zC,aAAevkB,EACpBiE,EAAMsqB,UAAY/qB,GAAYzM,MAC9BqU,EAAI5nB,QAAQC,IAAM7N,cAAe,CAAEquB,MAAOA,EAAOjE,KAAMA,EAAMlW,GAAI,UACjE,IAAI8oB,EAAQniC,KAAK63C,YAAc73C,KAAK63C,YAAc73C,KAAKmiC,MACnDA,GACF7/B,IAAOrB,IAAP,oBAA+BgxC,GAAW9gB,SAASgR,EAAMiJ,WAEvDprC,KAAKg0D,aAAeh0D,KAAKg+C,WAC3Bh+C,KAAKg0D,aAAc,EACnBr5B,EAAI5nB,QAAQC,IAAMhP,qBAAsB,CAAEqV,GAAIrZ,KAAKw1B,WAErDx1B,KAAKiyB,MAAQolB,GAEfr3C,KAAK22C,S,EAIT3P,QAAA,SAASlgC,GACP,IAAIyoB,EAAOzoB,EAAKyoB,KAEhB,IAAIA,GAAsB,UAAdA,EAAKhuB,KAIjB,OAAQuF,EAAKoM,SACb,KAAKpN,IAAaqkC,gBAClB,KAAKrkC,IAAaskC,kBAChB,IAAM7a,EAAOzoB,EAAKyoB,KAElB,GAAIA,GAAsB,UAAdA,EAAKhuB,KACf,MAGF,IAAKuF,EAAKsM,MAAO,CACf,IAAIytC,EAAY7gD,KAAK84C,cACjB+H,EACFA,IAEAA,EAAY,EAGd,IAAM/uC,EAAS9R,KAAK8R,OACpB,GAAI+uC,GAAa/uC,EAAOytC,oBAAqB,CAC3Cv/C,KAAK84C,cAAgB+H,EAErB,IAAMrB,EAAQj5C,KAAKgX,IAAIhX,KAAKoN,IAAI,EAAGktC,EAAY,GAAK/uC,EAAO24B,sBAAuB34B,EAAOk4B,4BACzF1nC,IAAOpB,KAAP,wDAAoEs+C,EAApE,OACAx/C,KAAKo5C,UAAYrmB,GAAYzM,MAAQk5B,EAErCx/C,KAAKiyB,MAAQolB,QAEb/0C,IAAOlB,MAAP,0BAAuC0F,EAAKoM,QAA5C,+CAEApM,EAAKsM,OAAQ,EACbpT,KAAKiyB,MAAQolB,GAGjB,MACF,KAAKvxC,IAAasjC,uBAClB,KAAKtjC,IAAaqjC,yBAClB,KAAKrjC,IAAa4kC,eAClB,KAAK5kC,IAAa6kC,iBAEZ3qC,KAAKiyB,QAAUolB,KAEjBr3C,KAAKiyB,MAAQnrB,EAAKsM,MAAQikC,GAAcA,GACxC/0C,IAAOpB,KAAP,0BAAsC4F,EAAKoM,QAA3C,yCAA2FlT,KAAKiyB,MAAhG,eAEF,MACF,KAAKnsB,IAAa45C,kBAEhB,GAAoB,UAAhB54C,EAAK03C,SAAuBx+C,KAAKiyB,QAAUolB,IAAiBr3C,KAAKiyB,QAAUolB,IAAe,CAC5F,IAAMlV,EAAQniC,KAAK63C,YACjBlJ,EAAc3uC,KAAKmiC,MAAMwM,YAG3B,GAFkBxM,GAASuL,EAAaC,WAAWxL,EAAOwM,IAAgBjB,EAAaC,WAAWxL,EAAOwM,EAAc,IAEpG,CACjB,IAAM78B,EAAS9R,KAAK8R,OAChBA,EAAOgoC,oBAAsBhoC,EAAO+nC,kBAEtC/nC,EAAOgoC,oBAAsB,EAC7Bx3C,IAAOpB,KAAP,sDAAkE4Q,EAAOgoC,mBAAzE,MAEF95C,KAAKiyB,MAAQolB,QAKb/0C,IAAOpB,KAAK,uGACZlB,KAAKy3C,YAAc,KAEnBz3C,KAAKiyB,MAAQolB,GACbr3C,KAAK26B,IAAI5nB,QAAQC,IAAM9P,gBAAiB,CAAEu5C,YAAa,EAAGC,UAAW12C,OAAOg2C,kBAAmBz6C,KAAM,a,EAS7Gu+C,gBAAA,WAAmB,WACb8U,EAAc50D,KAAK40D,YACnBA,GAAeA,EAAY5tD,QAC7B1E,IAAOrB,IAAI,4EACX2zD,EAAYzyD,SAAQ,SAAAwyD,GAClB,EAAKh6B,IAAI5nB,QAAQC,IAAMjQ,iBAAkB4xD,MAE3C30D,KAAKg+C,UAAW,EAChBh+C,KAAK40D,YAAc,GACnB50D,KAAKiyB,MAAQolB,KAGbr3C,KAAKiyB,MAAQolB,GAEbr3C,KAAK8zC,aAAe,KACpB9zC,KAAK22C,S,kCA5tBEsJ,GACT,GAAIjgD,KAAKiyB,QAAUguB,EAAW,CAC5B,IAAMC,EAAgBlgD,KAAKiyB,MAC3BjyB,KAAK24C,OAASsH,EACd39C,IAAOrB,IAAP,gBAA2Bi/C,EAA3B,KAA6CD,K,eAK/C,OAAOjgD,KAAK24C,Y,gCA5EoBrB,ICJrB,cACb,GAAsB,oBAAXhtC,QAA0BA,OAAOi6C,OAC1C,OAAOj6C,OAAOi6C,OAGhB,IACIuQ,EAAmB,CACrB,IAAI,EACJC,IAAI,EACJC,IAAI,GAEFC,EAAe,CACjB/yC,OAAO,EACPgzC,QAAQ,EACRhtD,KAAK,EACLo7C,MAAM,EACNC,OAAO,GAYT,SAAS4R,EAAkB/0D,GACzB,MAAqB,iBAAVA,MAIC60D,EAAa70D,EAAMqgB,gBAChBrgB,EAAMqgB,eAGvB,SAAS20C,EAAQC,GAEf,IADA,IAAI3tD,EAAI,EACDA,EAAI2P,UAAUrQ,OAAQU,IAAK,CAChC,IAAI4tD,EAAOj+C,UAAU3P,GACrB,IAAK,IAAIqvB,KAAKu+B,EACZD,EAAIt+B,GAAKu+B,EAAKv+B,GAIlB,OAAOs+B,EAGT,SAAS9Q,EAAQjxB,EAAWC,EAASnqB,GACnC,IAAI86C,EAAMlkD,KACNu1D,EAAU,CAEdA,YAAqB,GAUrBrR,EAAIsR,cAAe,EAOnB,IAAIC,EAAM,GACNC,GAAe,EACfC,EAAariC,EACbsiC,EAAWriC,EACXsiC,EAAQzsD,EACR0sD,EAAU,KACVC,EAAY,GACZC,GAAe,EACfC,EAAQ,OACRC,EAAa,QACbC,EAAY,GACZC,EAAiB,SACjBC,EAAQ,GACRC,EAAS,SAEb/1D,OAAOm2B,eAAewtB,EAAK,KAAMkR,EAAO,GAAIG,EAAS,CACnDr1D,IAAK,WACH,OAAOu1D,GAETn+C,IAAK,SAAUlX,GACbq1D,EAAM,GAAKr1D,MAIfG,OAAOm2B,eAAewtB,EAAK,cAAekR,EAAO,GAAIG,EAAS,CAC5Dr1D,IAAK,WACH,OAAOw1D,GAETp+C,IAAK,SAAUlX,GACbs1D,IAAiBt1D,MAIrBG,OAAOm2B,eAAewtB,EAAK,YAAakR,EAAO,GAAIG,EAAS,CAC1Dr1D,IAAK,WACH,OAAOy1D,GAETr+C,IAAK,SAAUlX,GACb,GAAqB,iBAAVA,EACT,MAAM,IAAI+iB,UAAU,uCAGtBwyC,EAAav1D,EACbJ,KAAKw1D,cAAe,MAIxBj1D,OAAOm2B,eAAewtB,EAAK,UAAWkR,EAAO,GAAIG,EAAS,CACxDr1D,IAAK,WACH,OAAO01D,GAETt+C,IAAK,SAAUlX,GACb,GAAqB,iBAAVA,EACT,MAAM,IAAI+iB,UAAU,qCAGtByyC,EAAWx1D,EACXJ,KAAKw1D,cAAe,MAIxBj1D,OAAOm2B,eAAewtB,EAAK,OAAQkR,EAAO,GAAIG,EAAS,CACrDr1D,IAAK,WACH,OAAO21D,GAETv+C,IAAK,SAAUlX,GACby1D,EAAQ,GAAKz1D,EACbJ,KAAKw1D,cAAe,MAIxBj1D,OAAOm2B,eAAewtB,EAAK,SAAUkR,EAAO,GAAIG,EAAS,CACvDr1D,IAAK,WACH,OAAO41D,GAETx+C,IAAK,SAAUlX,GACb01D,EAAU11D,EACVJ,KAAKw1D,cAAe,MAIxBj1D,OAAOm2B,eAAewtB,EAAK,WAAYkR,EAAO,GAAIG,EAAS,CACzDr1D,IAAK,WACH,OAAO61D,GAETz+C,IAAK,SAAUlX,GACb,IAAIm2D,EAzIV,SAA+Bn2D,GAC7B,MAAqB,iBAAVA,MAID00D,EAAiB10D,EAAMqgB,gBACpBrgB,EAAMqgB,eAmID+1C,CAAqBp2D,GAEnC,IAAgB,IAAZm2D,EACF,MAAM,IAAIE,YAAY,+CAGxBV,EAAYQ,EACZv2D,KAAKw1D,cAAe,MAIxBj1D,OAAOm2B,eAAewtB,EAAK,cAAekR,EAAO,GAAIG,EAAS,CAC5Dr1D,IAAK,WACH,OAAO81D,GAET1+C,IAAK,SAAUlX,GACb41D,IAAiB51D,EACjBJ,KAAKw1D,cAAe,MAIxBj1D,OAAOm2B,eAAewtB,EAAK,OAAQkR,EAAO,GAAIG,EAAS,CACrDr1D,IAAK,WACH,OAAO+1D,GAET3+C,IAAK,SAAUlX,GACb,GAAqB,iBAAVA,GAjLC,SAiLqBA,EAC/B,MAAM,IAAIq2D,YAAY,sDAGxBR,EAAQ71D,EACRJ,KAAKw1D,cAAe,MAIxBj1D,OAAOm2B,eAAewtB,EAAK,YAAakR,EAAO,GAAIG,EAAS,CAC1Dr1D,IAAK,WACH,OAAOg2D,GAET5+C,IAAK,SAAUlX,GACb,IAAIm2D,EAAUpB,EAAiB/0D,GAC/B,IAAKm2D,EACH,MAAM,IAAIE,YAAY,+CAGxBP,EAAaK,EACbv2D,KAAKw1D,cAAe,MAIxBj1D,OAAOm2B,eAAewtB,EAAK,WAAYkR,EAAO,GAAIG,EAAS,CACzDr1D,IAAK,WACH,OAAOi2D,GAET7+C,IAAK,SAAUlX,GACb,GAAIA,EAAQ,GAAKA,EAAQ,IACvB,MAAM,IAAIiL,MAAM,uCAGlB8qD,EAAY/1D,EACZJ,KAAKw1D,cAAe,MAIxBj1D,OAAOm2B,eAAewtB,EAAK,gBAAiBkR,EAAO,GAAIG,EAAS,CAC9Dr1D,IAAK,WACH,OAAOk2D,GAET9+C,IAAK,SAAUlX,GACb,IAAIm2D,EAAUpB,EAAiB/0D,GAC/B,IAAKm2D,EACH,MAAM,IAAIE,YAAY,+CAGxBL,EAAiBG,EACjBv2D,KAAKw1D,cAAe,MAIxBj1D,OAAOm2B,eAAewtB,EAAK,OAAQkR,EAAO,GAAIG,EAAS,CACrDr1D,IAAK,WACH,OAAOm2D,GAET/+C,IAAK,SAAUlX,GACb,GAAIA,EAAQ,GAAKA,EAAQ,IACvB,MAAM,IAAIiL,MAAM,mCAGlBgrD,EAAQj2D,EACRJ,KAAKw1D,cAAe,MAIxBj1D,OAAOm2B,eAAewtB,EAAK,QAASkR,EAAO,GAAIG,EAAS,CACtDr1D,IAAK,WACH,OAAOo2D,GAETh/C,IAAK,SAAUlX,GACb,IAAIm2D,EAAUpB,EAAiB/0D,GAC/B,IAAKm2D,EACH,MAAM,IAAIE,YAAY,+CAGxBH,EAASC,EACTv2D,KAAKw1D,cAAe,MASxBtR,EAAIwS,kBAAe,EAarB,OANAnS,EAAO/jD,UAAUm2D,aAAe,WAG9B,OADarsD,OAAOssD,OACNC,oBAAoBvsD,OAAQtK,KAAKoJ,OAG1Cm7C,EA1RM,GCVTuS,GAAgB,WACpB,MAAO,CACLptD,OAAQ,SAAU5C,GAChB,IAAKA,EACH,MAAO,GAGT,GAAoB,iBAATA,EACT,MAAM,IAAIuE,MAAM,iCAGlB,OAAO0rD,mBAAmBC,mBAAmBlwD,OAKnD,SAASmwD,KACPj3D,KAAKsK,OAASA,OACdtK,KAAKiyB,MAAQ,UACbjyB,KAAKiJ,OAAS,GACdjJ,KAAK2G,QAAU,IAAImwD,GACnB92D,KAAKk3D,WAAa,GA6BpB,SAASC,KACPn3D,KAAKo3D,OAAS72D,OAAOmjB,OAAO,MAyD9B,SAAS2zC,GAAcz3B,EAAOttB,EAAUglD,EAAeC,GACrD,IAAI72B,EAAS62B,EAAa33B,EAAMrzB,MAAMgrD,GAAc,CAAC33B,GACrD,IAAK,IAAIl4B,KAAKg5B,EACZ,GAAyB,iBAAdA,EAAOh5B,GAAlB,CAIA,IAAI8vD,EAAK92B,EAAOh5B,GAAG6E,MAAM+qD,GACzB,GAAkB,IAAdE,EAAGxwD,OAMPsL,EAFQklD,EAAG,GACHA,EAAG,KAnEfL,GAAS32D,UAAY,CAEnB8W,IAAK,SAAUmgD,EAAGC,GACX13D,KAAKE,IAAIu3D,IAAY,KAANC,IAClB13D,KAAKo3D,OAAOK,GAAKC,IAQrBx3D,IAAK,SAAUu3D,EAAGE,EAAMC,GACtB,OAAIA,EACK53D,KAAKyiB,IAAIg1C,GAAKz3D,KAAKo3D,OAAOK,GAAKE,EAAKC,GAGtC53D,KAAKyiB,IAAIg1C,GAAKz3D,KAAKo3D,OAAOK,GAAKE,GAGxCl1C,IAAK,SAAUg1C,GACb,OAAOA,KAAKz3D,KAAKo3D,QAGnBS,IAAK,SAAUJ,EAAGC,EAAGj5C,GACnB,IAAK,IAAIoY,EAAI,EAAGA,EAAIpY,EAAEzX,SAAU6vB,EAC9B,GAAI6gC,IAAMj5C,EAAEoY,GAAI,CACd72B,KAAKsX,IAAImgD,EAAGC,GACZ,QAKNI,QAAS,SAAUL,EAAGC,GAChB,UAAU7xC,KAAK6xC,IACjB13D,KAAKsX,IAAImgD,EAAGzvC,SAAS0vC,EAAG,MAI5BK,QAAS,SAAUN,EAAGC,GAEpB,SAASA,EAAEh9C,MAAM,8BACfg9C,EAAIl4B,WAAWk4B,KACN,GAAKA,GAAK,OACjB13D,KAAKsX,IAAImgD,EAAGC,IACL,KA2Bf,IAAIM,GAAW,IAAIzT,GAAO,EAAG,EAAG,GAG5B0T,GAA4B,WAAnBD,GAASE,MAAqB,SAAW,SAEtD,SAASC,GAAUv4B,EAAOskB,EAAKgT,GAE7B,IAAIkB,EAASx4B,EAEb,SAASy4B,IACP,IAAIC,EA/GR,SAAyB14B,GACvB,SAAS24B,EAAgB7mC,EAAG8E,EAAGU,EAAGD,GAChC,OAAiB,MAAL,EAAJvF,GAA0B,IAAL,EAAJ8E,IAAmB,EAAJU,IAAc,EAAJD,GAAS,IAG7D,IAAIT,EAAIoJ,EAAMllB,MAAM,oCACpB,OAAK8b,EAIDA,EAAE,GAEG+hC,EAAe/hC,EAAE,GAAIA,EAAE,GAAIA,EAAE,GAAG1sB,QAAQ,IAAK,IAAK0sB,EAAE,IAClDA,EAAE,GAAK,GAGT+hC,EAAe/hC,EAAE,GAAIA,EAAE,GAAI,EAAGA,EAAE,IAGhC+hC,EAAe,EAAG/hC,EAAE,GAAIA,EAAE,GAAIA,EAAE,IAZhC,KAwGEgiC,CAAe54B,GACxB,GAAW,OAAP04B,EACF,MAAM,IAAIjtD,MAAM,wBAA0B+sD,GAK5C,OADAx4B,EAAQA,EAAM91B,QAAQ,iBAAkB,IACjCwuD,EAyET,SAASG,IACP74B,EAAQA,EAAM91B,QAAQ,OAAQ,IAOhC,GAHA2uD,IACAvU,EAAI5wB,UAAY+kC,IAChBI,IAC2B,WAAvB74B,EAAMmB,OAAO,EAAG,GAClB,MAAM,IAAI11B,MAAM,qEACd+sD,GAEJx4B,EAAQA,EAAMmB,OAAO,GACrB03B,IACAvU,EAAI3wB,QAAU8kC,IAGdI,IAtFA,SAA6B74B,EAAOskB,GAClC,IAAIwU,EAAW,IAAIvB,GAEnBE,GAAaz3B,GAAO,SAAU63B,EAAGC,GAC/B,OAAQD,GACR,IAAK,SAEH,IAAK,IAAI/vD,EAAIwvD,EAAWlwD,OAAS,EAAGU,GAAK,EAAGA,IAC1C,GAAIwvD,EAAWxvD,GAAG2R,KAAOq+C,EAAG,CAC1BgB,EAASphD,IAAImgD,EAAGP,EAAWxvD,GAAGixD,QAC9B,MAGJ,MACF,IAAK,WACHD,EAASb,IAAIJ,EAAGC,EAAG,CAAC,KAAM,OAC1B,MACF,IAAK,OACH,IAAIkB,EAAOlB,EAAEnrD,MAAM,KACjBssD,EAAQD,EAAK,GACfF,EAASZ,QAAQL,EAAGoB,GAChBH,EAASX,QAAQN,EAAGoB,IACtBH,EAASphD,IAAI,eAAe,GAG9BohD,EAASb,IAAIJ,EAAGoB,EAAO,CAAC,SACJ,IAAhBD,EAAK5xD,QACP0xD,EAASb,IAAI,YAAae,EAAK,GAAI,CAAC,QAASX,GAAQ,QAGvD,MACF,IAAK,WACHW,EAAOlB,EAAEnrD,MAAM,KACfmsD,EAASX,QAAQN,EAAGmB,EAAK,IACL,IAAhBA,EAAK5xD,QACP0xD,EAASb,IAAI,gBAAiBe,EAAK,GAAI,CAAC,QAASX,GAAQ,MAAO,YAAa,aAAc,SAG7F,MACF,IAAK,OACHS,EAASX,QAAQN,EAAGC,GACpB,MACF,IAAK,QACHgB,EAASb,IAAIJ,EAAGC,EAAG,CAAC,QAASO,GAAQ,MAAO,OAAQ,aAGrD,IAAK,MAGR/T,EAAIyU,OAASD,EAASx4D,IAAI,SAAU,MACpCgkD,EAAI4U,SAAWJ,EAASx4D,IAAI,WAAY,IACxC,IAAI64D,EAAOL,EAASx4D,IAAI,OAAQ,QACnB,SAAT64D,IAAsC,IAAnBf,GAASe,OAE9BA,GAAQ,GAEV7U,EAAI6U,KAAOA,EACX7U,EAAI8U,UAAYN,EAASx4D,IAAI,YAAa,SAC1CgkD,EAAI+U,YAAcP,EAASx4D,IAAI,eAAe,GAC9CgkD,EAAI58C,KAAOoxD,EAASx4D,IAAI,OAAQ,KAChCgkD,EAAIgU,MAAQQ,EAASx4D,IAAI,QAAS+3D,IAClC,IAAI5vC,EAAWqwC,EAASx4D,IAAI,WAAY,QACvB,SAAbmoB,GAA6C,KAAtB2vC,GAAS3vC,WAElCA,EAAyB,UAAd67B,EAAIgU,OAAmC,SAAdhU,EAAIgU,MAAmB,EAAkB,QAAdhU,EAAIgU,OAAiC,UAAdhU,EAAIgU,MAAoB,IAAM,IAEtHhU,EAAI77B,SAAWA,EAqBjB6wC,CAAmBt5B,EAAOskB,GAG5B,SAASiV,GAAev5B,GACtB,OAAOA,EAAM91B,QAAQ,iBAAkB,MAGzCmtD,GAAUz2D,UAAY,CACpB65B,MAAO,SAAUvzB,GACf,IAAIyD,EAAOvK,KAUX,SAASo5D,IACP,IAAInwD,EAASsB,EAAKtB,OACd2oB,EAAM,EAIV,IAFA3oB,EAASkwD,GAAclwD,GAEhB2oB,EAAM3oB,EAAOjC,QAA0B,OAAhBiC,EAAO2oB,IAAiC,OAAhB3oB,EAAO2oB,MACzDA,EAGJ,IAAImnC,EAAO9vD,EAAO83B,OAAO,EAAGnP,GAW5B,MAToB,OAAhB3oB,EAAO2oB,MACPA,EAGgB,OAAhB3oB,EAAO2oB,MACPA,EAGJrnB,EAAKtB,OAASA,EAAO83B,OAAOnP,GACrBmnC,EA1BLjyD,IAEFyD,EAAKtB,QAAUsB,EAAK5D,QAAQ+C,OAAO5C,EAAM,CAAEwoB,QAAQ,KAyCrD,IACE,IAAIypC,EACJ,GAAmB,YAAfxuD,EAAK0nB,MAAqB,CAE5B,IAAK,UAAUpM,KAAKtb,EAAKtB,QACvB,OAAOjJ,KAMT,IAAIw2B,GAHJuiC,EAAOK,KAGM1+C,MAAM,4BACnB,IAAK8b,IAAMA,EAAE,GACX,MAAM,IAAInrB,MAAM,+BAGlBd,EAAK0nB,MAAQ,SAIf,IADA,IAAIonC,GAAuB,EACpB9uD,EAAKtB,QAAQ,CAElB,IAAK,UAAU4c,KAAKtb,EAAKtB,QACvB,OAAOjJ,KAST,OANKq5D,EAGHA,GAAuB,EAFvBN,EAAOK,IAKD7uD,EAAK0nB,OACb,IAAK,SAEC,IAAIpM,KAAKkzC,GA/CjB1B,GAgDkB0B,GAhDE,SAAUtB,EAAGC,MAQ9B,KAyCaqB,IAEVxuD,EAAK0nB,MAAQ,MAEf,SACF,IAAK,OAEE8mC,IACHxuD,EAAK0nB,MAAQ,MAGf,SACF,IAAK,KAEH,GAAI,iBAAiBpM,KAAKkzC,GAAO,CAC/BxuD,EAAK0nB,MAAQ,OACb,MAGF,IAAK8mC,EACH,SAMF,GAHAxuD,EAAK25C,IAAM,IAAIK,GAAO,EAAG,EAAG,IAC5Bh6C,EAAK0nB,MAAQ,OAEgB,IAAzB8mC,EAAKnvD,QAAQ,UAAe,CAC9BW,EAAK25C,IAAI7qC,GAAK0/C,EACd,SAIJ,IAAK,MAEH,IACEZ,GAASY,EAAMxuD,EAAK25C,IAAK35C,EAAK2sD,YAC9B,MAAO70D,GAEPkI,EAAK25C,IAAM,KACX35C,EAAK0nB,MAAQ,SACb,SAEF1nB,EAAK0nB,MAAQ,UACb,SACF,IAAK,UACH,IAAIqnC,GAAwC,IAAzBP,EAAKnvD,QAAQ,UAKhC,IAAKmvD,GAAQO,IAAiBD,GAAuB,GAAO,CAEtD9uD,EAAKgvD,OACPhvD,EAAKgvD,MAAMhvD,EAAK25C,KAGlB35C,EAAK25C,IAAM,KACX35C,EAAK0nB,MAAQ,KACb,SAEE1nB,EAAK25C,IAAI96C,OACXmB,EAAK25C,IAAI96C,MAAQ,MAGnBmB,EAAK25C,IAAI96C,MAAQ2vD,EACjB,SACF,IAAK,SAEEA,IACHxuD,EAAK0nB,MAAQ,MAGf,WAGJ,MAAO5vB,GAEY,YAAfkI,EAAK0nB,OAAuB1nB,EAAK25C,KAAO35C,EAAKgvD,OAC/ChvD,EAAKgvD,MAAMhvD,EAAK25C,KAGlB35C,EAAK25C,IAAM,KAGX35C,EAAK0nB,MAAuB,YAAf1nB,EAAK0nB,MAAsB,YAAc,SAExD,OAAOjyB,MAETw5D,MAAO,WAEL,IAWE,GAZSx5D,KAGJiJ,QAHIjJ,KAGW2G,QAAQ+C,UAHnB1J,KAKAkkD,KAAsB,WALtBlkD,KAKYiyB,SALZjyB,KAMFiJ,QAAU,OANRjJ,KAOFq6B,SAKY,YAZVr6B,KAYAiyB,MACP,MAAM,IAAI5mB,MAAM,+BAElB,MAAOhJ,GACP,MAAMA,EAMR,OAtBWrC,KAkBFy5D,SAlBEz5D,KAmBJy5D,UAGAz5D,OAMIi3D,UCzbR,SAASyC,GAAQ9hD,EAAkB0b,EAAmBC,EAAiBomC,GAS5E,IARA,IAAIC,EAEA1V,EACA2V,EACAC,EACA1wD,EACAm7C,EAAkBj6C,OAAei6C,QAAoBC,aAEhD5tB,EAAI,EAAGA,EAAI+iC,EAAcI,KAAK/yD,OAAQ4vB,IAM7C,GAJAijC,GAAY,EACZC,EAAS,EACT1wD,EAAO,KAHPwwD,EAAMD,EAAcI,KAAKnjC,IAKhBojC,UAAW,CAClB,IAAK,IAAIjwD,EAAI,EAAGA,EAAI6vD,EAAIK,MAAMjzD,OAAQ+C,IAChC6vD,EAAIK,MAAMlwD,GAAGmwD,MAAMx/C,MAAM,OAASm/C,EACpCC,KAEA1wD,GAAQwwD,EAAIK,MAAMlwD,GAAGmwD,MACrBL,GAAY,GAIhBD,EAAIO,aAAe7mC,EAGfA,IAAcC,IAChBA,GAAW,MAGb2wB,EAAM,IAAIK,EAAOjxB,EAAWC,EAAS4lC,GAAc/vD,EAAK6B,SAEpD6uD,GAAU,GACZA,IAEAA,IAKEt/C,UAAUD,UAAUG,MAAM,aAC5BwpC,EAAI6U,KAAOniC,EAAI,EAEfstB,EAAI6U,KAAQniC,EAAI,EAAIA,EAAI,EAAIA,EAAI,EAGlCstB,EAAIgU,MAAQ,OAEZhU,EAAI77B,SAAW9hB,KAAK0V,IAAI,EAAG1V,KAAKgX,IAAI,IAAYu8C,EAAS,GAAhB,MACzCliD,EAAM6sC,OAAOP,IClBnB,IA0HKkW,GA1HDC,GAA0B,CAC5B,GAAM,IACN,GAAM,IACN,GAAM,IACN,GAAM,IACN,GAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,KAIN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,KACN,IAAM,IACN,IAAM,IACN,IAAM,KACN,IAAM,IACN,IAAM,GACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IAGN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,KACN,IAAM,IACN,IAAM,GACN,IAAM,KACN,IAAM,KACN,IAAM,IACN,IAAM,KACN,IAAM,KACN,IAAM,KACN,IAAM,KACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IAGN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,GACN,IAAM,GACN,IAAM,GACN,IAAM,IACN,IAAM,KACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,KACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,IACN,IAAM,KACN,IAAM,KACN,IAAM,KACN,IAAM,MAMJC,GAAiB,SAAUC,GAC7B,IAAIC,EAAWD,EAKf,OAJIF,GAAwB55D,eAAe85D,KACzCC,EAAWH,GAAwBE,IAG9BxyD,OAAOC,aAAawyD,IAMzBC,GAAa,CAAE,GAAM,EAAG,GAAM,EAAG,GAAM,EAAG,GAAM,EAAG,GAAM,EAAG,GAAM,GAAI,GAAM,GAAI,GAAM,IACtFC,GAAc,CAAE,GAAM,EAAG,GAAM,EAAG,GAAM,EAAG,GAAM,EAAG,GAAM,GAAI,GAAM,GAAI,GAAM,IAC9EC,GAAa,CAAE,GAAM,EAAG,GAAM,EAAG,GAAM,EAAG,GAAM,EAAG,GAAM,EAAG,GAAM,GAAI,GAAM,GAAI,GAAM,IACtFC,GAAc,CAAE,GAAM,EAAG,GAAM,EAAG,GAAM,EAAG,GAAM,EAAG,GAAM,GAAI,GAAM,GAAI,GAAM,IAE9EC,GAAmB,CAAC,QAAS,QAAS,OAAQ,OAAQ,MAAO,SAAU,UAAW,QAAS,gB,SAE1FT,O,iBAAAA,I,eAAAA,I,qBAAAA,I,eAAAA,I,iBAAAA,I,gBAAAA,Q,KAYL,IAAI93D,GAaA,CACFw4D,cAAe,CAAE,KAAQ,EAAG,MAAS,EAAG,KAAQ,EAAG,QAAW,EAAG,KAAQ,EAAG,MAAS,GACrFpvB,KAAM,KACNqvB,aAAc,EACdC,QAAS,SAAUC,GACjBj7D,KAAK0rC,KAAOuvB,GAEdh6D,IAAK,SAAUi6D,EAAU15D,GACRxB,KAAK86D,cAAcI,GAC9Bl7D,KAAK+6D,eAMTI,GAAqB,SAAUC,GAEjC,IADA,IAAIC,EAAqB,GAChB/7C,EAAI,EAAGA,EAAI87C,EAASp0D,OAAQsY,IACnC+7C,EAAShzD,KAAK+yD,EAAS97C,GAAG6R,SAAS,KAGrC,OAAOkqC,GAWHC,G,WAOJ,WAAaC,EAAqBC,EAAqBC,EAAmBC,EAAqBC,GAAiB,KANzGJ,gBAMyG,OALzGC,eAKyG,OAJzGC,aAIyG,OAHzGC,gBAGyG,OAFzGC,WAEyG,EAC9G37D,KAAKu7D,WAAaA,GAAc,QAChCv7D,KAAKw7D,UAAYA,IAAa,EAC9Bx7D,KAAKy7D,QAAUA,IAAW,EAC1Bz7D,KAAK07D,WAAaA,GAAc,QAChC17D,KAAK27D,MAAQA,IAAS,E,2BAGxBC,MAAA,WACE57D,KAAKu7D,WAAa,QAClBv7D,KAAKw7D,WAAY,EACjBx7D,KAAKy7D,SAAU,EACfz7D,KAAK07D,WAAa,QAClB17D,KAAK27D,OAAQ,G,EAGfE,UAAA,SAAWC,GAET,IADA,IAAIC,EAAU,CAAC,aAAc,YAAa,UAAW,aAAc,SAC1Dr0D,EAAI,EAAGA,EAAIq0D,EAAQ/0D,OAAQU,IAAK,CACvC,IAAIs0D,EAAQD,EAAQr0D,GAChBo0D,EAAOr7D,eAAeu7D,KACxBh8D,KAAKg8D,GAASF,EAAOE,M,EAK3BC,UAAA,WACE,MAA4B,UAApBj8D,KAAKu7D,aAA2Bv7D,KAAKw7D,YAAcx7D,KAAKy7D,SAChC,UAApBz7D,KAAK07D,aAA2B17D,KAAK27D,O,EAGnDO,OAAA,SAAQC,GACN,OAASn8D,KAAKu7D,aAAeY,EAAMZ,YACrBv7D,KAAKw7D,YAAcW,EAAMX,WACzBx7D,KAAKy7D,UAAYU,EAAMV,SACvBz7D,KAAK07D,aAAeS,EAAMT,YAC1B17D,KAAK27D,QAAUQ,EAAMR,O,EAGrCS,KAAA,SAAMC,GACJr8D,KAAKu7D,WAAac,EAAYd,WAC9Bv7D,KAAKw7D,UAAYa,EAAYb,UAC7Bx7D,KAAKy7D,QAAUY,EAAYZ,QAC3Bz7D,KAAK07D,WAAaW,EAAYX,WAC9B17D,KAAK27D,MAAQU,EAAYV,O,EAG3BxqC,SAAA,WACE,MAAQ,SAAWnxB,KAAKu7D,WAAa,eAAiBv7D,KAAKw7D,UAAY,aAAex7D,KAAKy7D,QACnF,gBAAkBz7D,KAAK07D,WAAa,WAAa17D,KAAK27D,O,KAQ5DW,G,WAGJ,WAAapC,EAAgBqB,EAAqBC,EAAqBC,EAAmBC,EAAqBC,GAAiB,KAFhIzB,WAEgI,OADhIqC,cACgI,EAC9Hv8D,KAAKk6D,MAAQA,GAAS,IACtBl6D,KAAKu8D,SAAW,IAAIjB,GAASC,EAAYC,EAAWC,EAASC,EAAYC,G,2BAG3EC,MAAA,WACE57D,KAAKk6D,MAAQ,IACbl6D,KAAKu8D,SAASX,S,EAGhBY,QAAA,SAAStC,EAAemC,GACtBr8D,KAAKk6D,MAAQA,EACbl6D,KAAKu8D,SAASH,KAAKC,I,EAGrBI,YAAA,SAAaJ,GACXr8D,KAAKu8D,SAASH,KAAKC,I,EAGrBH,OAAA,SAAQC,GACN,OAAOn8D,KAAKk6D,QAAUiC,EAAMjC,OAASl6D,KAAKu8D,SAASL,OAAOC,EAAMI,W,EAGlEH,KAAA,SAAMM,GACJ18D,KAAKk6D,MAAQwC,EAAQxC,MACrBl6D,KAAKu8D,SAASH,KAAKM,EAAQH,W,EAG7BvC,QAAA,WACE,MAAsB,MAAfh6D,KAAKk6D,OAAiBl6D,KAAKu8D,SAASN,a,KAQlCU,GAAb,WAKE,aAAe,KAJR1C,WAIQ,OAHRroC,SAGQ,OAFRgrC,kBAEQ,OADRzC,kBACQ,EACbn6D,KAAKi6D,MAAQ,GACb,IAAK,IAAIvyD,EAAI,EAAGA,EAjLR,IAiLqBA,IAC3B1H,KAAKi6D,MAAM5xD,KAAK,IAAIi0D,IAGtBt8D,KAAK4xB,IAAM,EACX5xB,KAAK48D,aAAe,IAAItB,GAZ5B,2BAeEY,OAAA,SAAQC,GAEN,IADA,IAAIU,GAAQ,EACHn1D,EAAI,EAAGA,EA3LR,IA2LqBA,IAC3B,IAAK1H,KAAKi6D,MAAMvyD,GAAGw0D,OAAOC,EAAMlC,MAAMvyD,IAAK,CACzCm1D,GAAQ,EACR,MAGJ,OAAOA,GAvBX,EA0BET,KAAA,SAAMD,GACJ,IAAK,IAAIz0D,EAAI,EAAGA,EArMR,IAqMqBA,IAC3B1H,KAAKi6D,MAAMvyD,GAAG00D,KAAKD,EAAMlC,MAAMvyD,KA5BrC,EAgCEsyD,QAAA,WAEE,IADA,IAAI8C,GAAQ,EACHp1D,EAAI,EAAGA,EA5MR,IA4MqBA,IAC3B,IAAK1H,KAAKi6D,MAAMvyD,GAAGsyD,UAAW,CAC5B8C,GAAQ,EACR,MAGJ,OAAOA,GAxCX,EA8CEC,UAAA,SAAWC,GACLh9D,KAAK4xB,MAAQorC,IACfh9D,KAAK4xB,IAAMorC,GAGTh9D,KAAK4xB,IAAM,GACbtvB,GAAOrB,IAAI,QAAS,4BAA8BjB,KAAK4xB,KACvD5xB,KAAK4xB,IAAM,GACF5xB,KAAK4xB,IAhOR,MAiONtvB,GAAOrB,IAAI,QAAS,6BAA+BjB,KAAK4xB,KACxD5xB,KAAK4xB,IAlOC,MA0KZ,EA+DEqrC,WAAA,SAAYC,GACV,IAAIC,EAASn9D,KAAK4xB,IAAMsrC,EACxB,GAAIA,EAAS,EACX,IAAK,IAAIx1D,EAAI1H,KAAK4xB,IAAM,EAAGlqB,EAAIy1D,EAAS,EAAGz1D,IACzC1H,KAAKi6D,MAAMvyD,GAAG+0D,YAAYz8D,KAAK48D,cAGnC58D,KAAK+8D,UAAUI,IAtEnB,EA4EEC,UAAA,WACEp9D,KAAKi9D,YAAY,GACjBj9D,KAAKi6D,MAAMj6D,KAAK4xB,KAAK4qC,QAAQ,IAAKx8D,KAAK48D,eA9E3C,EAiFES,WAAA,SAAY9C,GACNA,GAAQ,KACVv6D,KAAKo9D,YAEP,IAAIE,EAAOhD,GAAeC,GACtBv6D,KAAK4xB,KAhQD,IAiQNtvB,GAAOrB,IAAI,QAAS,iBAAmBs5D,EAAKppC,SAAS,IACnC,KAAOmsC,EAAO,iBAAmBt9D,KAAK4xB,IAAM,mBAGhE5xB,KAAKi6D,MAAMj6D,KAAK4xB,KAAK4qC,QAAQc,EAAMt9D,KAAK48D,cACxC58D,KAAKi9D,WAAW,KA5FpB,EA+FEM,aAAA,SAAcC,GACZ,IAAI91D,EACJ,IAAKA,EAAI81D,EAAU91D,EA3QX,IA2QwBA,IAC9B1H,KAAKi6D,MAAMvyD,GAAGk0D,SAlGpB,EAsGE6B,MAAA,WACEz9D,KAAKu9D,aAAa,GAClBv9D,KAAK4xB,IAAM,EACX5xB,KAAK48D,aAAahB,SAzGtB,EA4GE8B,gBAAA,WACE19D,KAAKu9D,aAAav9D,KAAK4xB,MA7G3B,EAgHE+rC,cAAA,WAGE,IAFA,IAAI1D,EAAkB,GAClB6C,GAAQ,EACHp1D,EAAI,EAAGA,EA7RR,IA6RqBA,IAAK,CAChC,IAAI41D,EAAOt9D,KAAKi6D,MAAMvyD,GAAGwyD,MACZ,MAAToD,IACFR,GAAQ,GAGV7C,EAAM5xD,KAAKi1D,GAEb,OAAIR,EACK,GAEA7C,EAAMxtD,KAAK,KA9HxB,EAkIEmxD,aAAA,SAAc9B,GACZ97D,KAAK48D,aAAaf,UAAUC,GACb97D,KAAKi6D,MAAMj6D,KAAK4xB,KACtB6qC,YAAYz8D,KAAK48D,eArI9B,KA6IaiB,GAAb,WAKE,aAAe,KAJf9D,UAIe,OAHf+D,aAGe,OAFfC,kBAEe,OADfC,sBACe,EACbh+D,KAAK+5D,KAAO,GACZ,IAAK,IAAIryD,EAAI,EAAGA,EA/TN,GA+TmBA,IAC3B1H,KAAK+5D,KAAK1xD,KAAK,IAAIs0D,IAGrB38D,KAAK89D,QAAUG,GACfj+D,KAAK+9D,aAAe,KACpB/9D,KAAK47D,QAbT,2BAgBEA,MAAA,WACE,IAAK,IAAIl0D,EAAI,EAAGA,EAzUN,GAyUmBA,IAC3B1H,KAAK+5D,KAAKryD,GAAG+1D,QAGfz9D,KAAK89D,QAAUG,IArBnB,EAwBE/B,OAAA,SAAQC,GAEN,IADA,IAAIU,GAAQ,EACHn1D,EAAI,EAAGA,EAlVN,GAkVmBA,IAC3B,IAAK1H,KAAK+5D,KAAKryD,GAAGw0D,OAAOC,EAAMpC,KAAKryD,IAAK,CACvCm1D,GAAQ,EACR,MAGJ,OAAOA,GAhCX,EAmCET,KAAA,SAAMD,GACJ,IAAK,IAAIz0D,EAAI,EAAGA,EA5VN,GA4VmBA,IAC3B1H,KAAK+5D,KAAKryD,GAAG00D,KAAKD,EAAMpC,KAAKryD,KArCnC,EAyCEsyD,QAAA,WAEE,IADA,IAAI8C,GAAQ,EACHp1D,EAAI,EAAGA,EAnWN,GAmWmBA,IAC3B,IAAK1H,KAAK+5D,KAAKryD,GAAGsyD,UAAW,CAC3B8C,GAAQ,EACR,MAGJ,OAAOA,GAjDX,EAoDEM,UAAA,WACYp9D,KAAK+5D,KAAK/5D,KAAK89D,SACrBV,aAtDR,EAyDEM,gBAAA,WACY19D,KAAK+5D,KAAK/5D,KAAK89D,SACrBJ,mBA3DR,EAiEEL,WAAA,SAAYC,GACAt9D,KAAK+5D,KAAK/5D,KAAK89D,SACrBT,WAAWC,IAnEnB,EAsEEY,OAAA,SAAQpC,GACI97D,KAAK+5D,KAAK/5D,KAAK89D,SACrBF,aAAa9B,IAxErB,EA2EEmB,WAAA,SAAYC,GACAl9D,KAAK+5D,KAAK/5D,KAAK89D,SACrBb,WAAWC,IA7EnB,EAgFEH,UAAA,SAAWC,GACT16D,GAAOrB,IAAI,OAAQ,cAAgB+7D,GACzBh9D,KAAK+5D,KAAK/5D,KAAK89D,SACrBf,UAAUC,IAnFlB,EAsFEmB,OAAA,SAAQC,GACN97D,GAAOrB,IAAI,OAAQ,aAAeg4B,KAAKC,UAAUklC,IACjD,IAAIC,EAASD,EAAQxE,IAAM,EAM3B,GALI55D,KAAK+9D,cAAgBM,EAASr+D,KAAK+9D,aAAe,IACpDM,EAASr+D,KAAK+9D,aAAe,GAI3B/9D,KAAK+9D,cAAgB/9D,KAAK89D,UAAYO,EAAQ,CAEhD,IAAK,IAAI32D,EAAI,EAAGA,EAxZR,GAwZqBA,IAC3B1H,KAAK+5D,KAAKryD,GAAG+1D,QAKf,IAAIa,EAAct+D,KAAK89D,QAAU,EAAK99D,KAAK+9D,aAGrCC,EAAmBh+D,KAAKg+D,iBAC9B,GAAIA,EAAkB,CACpB,IAAIO,EAAeP,EAAiBjE,KAAKuE,GAAanE,aACtD,GAAIoE,GAAgBj8D,GAAOopC,MAAQ6yB,EAAej8D,GAAOopC,KACvD,IAAK,IAAIhkC,EAAI,EAAGA,EAAI1H,KAAK+9D,aAAcr2D,IACrC1H,KAAK+5D,KAAKsE,EAASr+D,KAAK+9D,aAAer2D,EAAI,GAAG00D,KAAK4B,EAAiBjE,KAAKuE,EAAc52D,KAM/F1H,KAAK89D,QAAUO,EACf,IAAIzE,EAAM55D,KAAK+5D,KAAK/5D,KAAK89D,SACzB,GAAuB,OAAnBM,EAAQtE,OAAiB,CAC3B,IAAIA,EAASsE,EAAQtE,OACjB0E,EAAUj4D,KAAK0V,IAAI69C,EAAS,EAAG,GACnCF,EAAImD,UAAUqB,EAAQtE,QACtBsE,EAAQK,MAAQ7E,EAAIK,MAAMuE,GAASjC,SAAShB,WAE9C,IAAIO,EAAoB,CAAEP,WAAY6C,EAAQK,MAAOjD,UAAW4C,EAAQ5C,UAAWC,QAAS2C,EAAQ3C,QAASC,WAAY,QAASC,OAAO,GACzI37D,KAAKk+D,OAAOpC,IA7HhB,EAmIE4C,WAAA,SAAYC,GACVr8D,GAAOrB,IAAI,OAAQ,aAAeg4B,KAAKC,UAAUylC,IACjD3+D,KAAKo9D,YACLp9D,KAAKk+D,OAAOS,GACZ3+D,KAAKq9D,WAAW,KAvIpB,EA0IEuB,cAAA,SAAeC,GACb7+D,KAAK+9D,aAAec,GA3IxB,EA8IEC,OAAA,WACE,GAA0B,OAAtB9+D,KAAK+9D,aAAT,CAIAz7D,GAAOrB,IAAI,OAAQjB,KAAK++D,kBACxB,IAAIT,EAAct+D,KAAK89D,QAAU,EAAI99D,KAAK+9D,aACtCiB,EAASh/D,KAAK+5D,KAAKr4C,OAAO48C,EAAa,GAAG,GAC9CU,EAAOvB,QACPz9D,KAAK+5D,KAAKr4C,OAAO1hB,KAAK89D,QAAS,EAAGkB,GAClC18D,GAAOrB,IAAI,OAAQ,mBARjBqB,GAAOrB,IAAI,QAAS,yCAhJ1B,EA+JE89D,eAAA,SAAgBE,GACdA,EAAWA,IAAY,EAIvB,IAHA,IAAIC,EAAwB,GACxB91D,EAAO,GACP+1D,GAAS,EACJz3D,EAAI,EAAGA,EA5dN,GA4dmBA,IAAK,CAChC,IAAI03D,EAAUp/D,KAAK+5D,KAAKryD,GAAGi2D,gBACvByB,IACFD,EAAQz3D,EAAI,EACRu3D,EACFC,EAAY72D,KAAK,OAAS82D,EAAQ,MAASC,EAAU,KAErDF,EAAY72D,KAAK+2D,EAAQn0D,SAW/B,OAPIi0D,EAAYl4D,OAAS,IAErBoC,EADE61D,EACK,IAAMC,EAAYzyD,KAAK,OAAS,IAEhCyyD,EAAYzyD,KAAK,OAGrBrD,GAtLX,EAyLEi2D,iBAAA,WACE,OAAOr/D,KAAK+5D,MA1LhB,KAkMMuF,G,WAYJ,WAAaC,EAAuBC,GAA4B,KAXhEC,UAWgE,OAVhED,kBAUgE,OAThEpb,UASgE,OARhEsb,aAQgE,OAPhEC,qBAOgE,OANhEC,wBAMgE,OALhE5B,sBAKgE,OAJhE6B,mBAIgE,OAHhEC,iBAGgE,OAFhE3F,kBAEgE,OADhE4F,oBACgE,EAC9D//D,KAAKy/D,KAAOF,EACZv/D,KAAKw/D,aAAeA,EACpBx/D,KAAKokD,KAAO,KACZpkD,KAAK0/D,QAAU,EACf1/D,KAAK2/D,gBAAkB,IAAI9B,GAC3B79D,KAAK4/D,mBAAqB,IAAI/B,GAC9B79D,KAAKg+D,iBAAmB,IAAIH,GAC5B79D,KAAK6/D,cAAgB7/D,KAAK2/D,gBAAgB5F,KAAKkE,IAC/Cj+D,KAAK8/D,YAAc9/D,KAAK2/D,gBACxB3/D,KAAKokD,KAAO,KACZpkD,KAAKm6D,aAAe,K,2BAGtByB,MAAA,WACE57D,KAAKokD,KAAO,KACZpkD,KAAK2/D,gBAAgB/D,QACrB57D,KAAK4/D,mBAAmBhE,QACxB57D,KAAKg+D,iBAAiBpC,QACtB57D,KAAK6/D,cAAgB7/D,KAAK2/D,gBAAgB5F,KAAKkE,IAC/Cj+D,KAAK8/D,YAAc9/D,KAAK2/D,gBACxB3/D,KAAKokD,KAAO,KACZpkD,KAAKm6D,aAAe,M,EAGtB6F,WAAA,WACE,OAAOhgE,KAAKw/D,c,EAGdS,WAAA,SAAYC,GACVlgE,KAAKw/D,aAAeU,G,EAGtB/B,OAAA,SAAQC,GACNp+D,KAAK8/D,YAAY3B,OAAOC,I,EAG1BM,WAAA,SAAYC,GACV3+D,KAAK8/D,YAAYpB,WAAWC,I,EAG9BwB,QAAA,SAASC,GACHA,IAAYpgE,KAAKokD,OAIrBpkD,KAAKokD,KAAOgc,EACZ99D,GAAOrB,IAAI,OAAQ,QAAUm/D,GACX,gBAAdpgE,KAAKokD,KACPpkD,KAAK8/D,YAAc9/D,KAAK4/D,oBAExB5/D,KAAK8/D,YAAc9/D,KAAK2/D,gBACxB3/D,KAAK8/D,YAAYlE,SAED,iBAAd57D,KAAKokD,OACPpkD,KAAK2/D,gBAAgB5B,aAAe,KACpC/9D,KAAK4/D,mBAAmB7B,aAAe,MAEzC/9D,KAAKokD,KAAOgc,I,EAGdC,YAAA,SAAapG,GACX,IAAK,IAAIvyD,EAAI,EAAGA,EAAIuyD,EAAMjzD,OAAQU,IAChC1H,KAAK8/D,YAAYzC,WAAWpD,EAAMvyD,IAGpC,IAAI44D,EAAStgE,KAAK8/D,cAAgB9/D,KAAK2/D,gBAAkB,OAAS,WAClEr9D,GAAOrB,IAAI,OAAQq/D,EAAS,KAAOtgE,KAAK8/D,YAAYf,gBAAe,IACjD,kBAAd/+D,KAAKokD,MAA0C,iBAAdpkD,KAAKokD,OACxC9hD,GAAOrB,IAAI,OAAQ,cAAgBjB,KAAK2/D,gBAAgBZ,gBAAe,IACvE/+D,KAAKugE,qB,EAITC,MAAA,WACEl+D,GAAOrB,IAAI,OAAQ,gCACnBjB,KAAKmgE,QAAQ,gB,EAGfM,KAAA,WACEn+D,GAAOrB,IAAI,OAAQ,kBACD,cAAdjB,KAAKokD,OAITpkD,KAAK8/D,YAAY1C,YACbp9D,KAAK8/D,cAAgB9/D,KAAK2/D,iBAC5B3/D,KAAKugE,qB,EAITG,MAAA,a,EAIAC,MAAA,a,EAIAC,MAAA,WACEt+D,GAAOrB,IAAI,OAAQ,6BACnBjB,KAAK8/D,YAAYpC,kBACjB19D,KAAKugE,oB,EAGPM,KAAA,SAAMhC,GACJv8D,GAAOrB,IAAI,OAAQ,MAAQ49D,EAAS,eACpC7+D,KAAK8/D,YAAc9/D,KAAK2/D,gBACxB3/D,KAAKmgE,QAAQ,gBACbngE,KAAK8/D,YAAYlB,cAAcC,I,EAGjCiC,MAAA,WACEx+D,GAAOrB,IAAI,OAAQ,kBACnBjB,KAAK8/D,YAAY5B,OAAO,CAAEvC,OAAO,K,EAGnCoF,MAAA,WACEz+D,GAAOrB,IAAI,OAAQ,kCACnBjB,KAAKmgE,QAAQ,kB,EAGfa,KAAA,WACE1+D,GAAOrB,IAAI,OAAQ,MACnBjB,KAAKmgE,QAAQ,c,EAGfc,MAAA,WACE3+D,GAAOrB,IAAI,OAAQ,OACnBjB,KAAKmgE,QAAQ,c,EAGfe,MAAA,WACE5+D,GAAOrB,IAAI,OAAQ,gCACnBjB,KAAK2/D,gBAAgB/D,QACrB57D,KAAKugE,kBAAiB,I,EAGxBY,KAAA,WACE7+D,GAAOrB,IAAI,OAAQ,wBACnBjB,KAAK8/D,YAAYhB,SACjB9+D,KAAKugE,kBAAiB,I,EAGxBa,MAAA,WACE9+D,GAAOrB,IAAI,OAAQ,oCACnBjB,KAAK4/D,mBAAmBhE,S,EAG1ByF,MAAA,WAEE,GADA/+D,GAAOrB,IAAI,OAAQ,wBACD,gBAAdjB,KAAKokD,KAAwB,CAC/B,IAAI/xB,EAAMryB,KAAK2/D,gBACf3/D,KAAK2/D,gBAAkB3/D,KAAK4/D,mBAC5B5/D,KAAK4/D,mBAAqBvtC,EAC1BryB,KAAK8/D,YAAc9/D,KAAK4/D,mBACxBt9D,GAAOrB,IAAI,OAAQ,SAAWjB,KAAK2/D,gBAAgBZ,kBAErD/+D,KAAKugE,kBAAiB,I,EAGxBe,KAAA,SAAMC,GACJj/D,GAAOrB,IAAI,OAAQ,MAAQsgE,EAAS,kBACpCvhE,KAAK8/D,YAAY7C,WAAWsE,I,EAG9BC,SAAA,SAAUC,GACR,IAAI3F,EAA6B,CAAEH,OAAO,GAG1C,GAFAG,EAAON,UAAYiG,EAAa,GAAM,EACtC3F,EAAOL,QAAUgG,GAAc,GAC1B3F,EAAOL,QAKVK,EAAOP,WAAa,YALD,CACnB,IAAImG,EAAan7D,KAAKmR,MAAM+pD,EAAa,GAAK,GAE9C3F,EAAOP,WADM,CAAC,QAAS,QAAS,OAAQ,OAAQ,MAAO,SAAU,WACtCmG,GAI7Bp/D,GAAOrB,IAAI,OAAQ,WAAag4B,KAAKC,UAAU4iC,IAC/C97D,KAAK8/D,YAAY5B,OAAOpC,I,EAG1ByE,iBAAA,SAAkBoB,QAAkB,IAAlBA,OAAW,GAC3B,IAAI3yD,EAAI1M,GAAOopC,KACL,OAAN18B,GAIAhP,KAAKw/D,eACmB,OAAtBx/D,KAAKm6D,cAA0Bn6D,KAAK2/D,gBAAgB3F,UAGjDh6D,KAAK2/D,gBAAgBzD,OAAOl8D,KAAKg+D,oBACpCh+D,KAAKw/D,aAAa9F,OAAO15D,KAAKm6D,aAAenrD,EAAGhP,KAAKg+D,kBACjD2D,GAAY3hE,KAAKw/D,aAAaoC,aAChC5hE,KAAKw/D,aAAaoC,cAGpB5hE,KAAKm6D,aAAen6D,KAAK2/D,gBAAgB3F,UAAY,KAAOhrD,GAR9DhP,KAAKm6D,aAAenrD,EAWtBhP,KAAKg+D,iBAAiB5B,KAAKp8D,KAAK2/D,mB,EAIpCkC,eAAA,SAAgB7yD,GACVhP,KAAKw/D,eACFx/D,KAAK2/D,gBAAgB3F,YACpBh6D,KAAKw/D,aAAa9F,QACpB15D,KAAKw/D,aAAa9F,OAAO15D,KAAKm6D,aAAenrD,EAAGhP,KAAK2/D,iBAGvD3/D,KAAKm6D,aAAenrD,K,KAwWb8yD,G,WAjVb,WAAaC,EAAeC,EAAoBC,GAAoB,KARpEF,WAQoE,OAPpEG,aAOoE,OANpEC,cAMoE,OALpEC,cAKoE,OAJpEC,cAIoE,OAHpEC,cAGoE,OAFpErS,cAEoE,OADpEsS,kBACoE,EAClEviE,KAAK+hE,MAAQA,GAAS,EACtB/hE,KAAKkiE,QAAU,CAACF,EAAMC,GACtBjiE,KAAKmiE,SAAW,CAAC,IAAI7C,GAAc,EAAG0C,GAAO,IAAI1C,GAAc,EAAG2C,IAClEjiE,KAAKoiE,UAAY,EACjBpiE,KAAKqiE,SAAW,KAChBriE,KAAKsiE,SAAW,KAChBtiE,KAAKiwD,SAAW,KAChBjwD,KAAKuiE,aAAe,CAAE,QAAW,EAAG,KAAQ,EAAG,IAAO,EAAG,MAAS,G,2BAGpEvC,WAAA,SAAY92D,GACV,OAAOlJ,KAAKmiE,SAASj5D,GAAO82D,c,EAG9BC,WAAA,SAAY/2D,EAAeg3D,GACzBlgE,KAAKmiE,SAASj5D,GAAO+2D,WAAWC,I,EAMlCsC,QAAA,SAASxzD,EAAkByzD,GACzB,IAAIC,EAAmBjkD,EAAWC,EAChCikD,GAAwC,EAE1C3iE,KAAKiwD,SAAWjhD,EAChB1M,GAAO04D,QAAQhsD,GAEf,IAAK,IAAItH,EAAI,EAAGA,EAAI+6D,EAASz7D,OAAQU,GAAK,EAGxC,GAFA+W,EAAkB,IAAdgkD,EAAS/6D,GACbgX,EAAsB,IAAlB+jD,EAAS/6D,EAAI,GACP,IAAN+W,GAAiB,IAANC,EAAf,CAmBA,GAfEpc,GAAOrB,IAAI,OAAQ,IAAMk6D,GAAmB,CAACsH,EAAS/6D,GAAI+6D,EAAS/6D,EAAI,KAAO,SAAWyzD,GAAmB,CAAC18C,EAAGC,IAAM,MAExHgkD,EAAW1iE,KAAK4iE,SAASnkD,EAAGC,MAE1BgkD,EAAW1iE,KAAK6iE,YAAYpkD,EAAGC,IAG5BgkD,IACHA,EAAW1iE,KAAK8iE,SAASrkD,EAAGC,IAGzBgkD,IACHA,EAAW1iE,KAAK+iE,0BAA0BtkD,EAAGC,KAG1CgkD,EAEH,GADAC,EAAa3iE,KAAKgjE,WAAWvkD,EAAGC,GAE9B,GAAI1e,KAAKoiE,UAAYpiE,KAAKoiE,UAAY,EACtBpiE,KAAKmiE,SAASniE,KAAKoiE,SAAW,GACpC/B,YAAYsC,QAEpBrgE,GAAOrB,IAAI,UAAW,oCAIxByhE,EACF1iE,KAAKuiE,aAAanoC,KAAO,EAChBuoC,EACT3iE,KAAKuiE,aAAajF,MAAQ,GAE1Bt9D,KAAKuiE,aAAapG,OAAS,EAC3B75D,GAAOrB,IAAI,UAAW,+BAAkCk6D,GAAmB,CAAC18C,EAAGC,IAC3D,UAAYy8C,GAAmB,CAACsH,EAAS/6D,GAAI+6D,EAAS/6D,EAAI,YApC9E1H,KAAKuiE,aAAaU,SAAW,G,EA6CnCL,SAAA,SAAUnkD,EAAWC,GACnB,IAAI+gD,EAAsB,KAI1B,MAFmB,KAANhhD,GAAoB,KAANA,IAAgBC,GAAK,IAAQA,GAAK,QAC1C,KAAND,GAAoB,KAANA,IAAgBC,GAAK,IAAQA,GAAK,IAE3D,OAAO,EAGT,GAAID,IAAMze,KAAKqiE,UAAY3jD,IAAM1e,KAAKsiE,SAIpC,OAHAtiE,KAAKqiE,SAAW,KAChBriE,KAAKsiE,SAAW,KAChBhgE,GAAOrB,IAAI,QAAS,qBAAuBk6D,GAAmB,CAAC18C,EAAGC,IAAM,iBACjE,EAIP+gD,EADQ,KAANhhD,GAAoB,KAANA,EACT,EAEA,EAGT,IAAIykD,EAAUljE,KAAKmiE,SAAS1C,EAAO,GA0CnC,OAxCU,KAANhhD,GAAoB,KAANA,EACN,KAANC,EACFwkD,EAAQ1C,QACO,KAAN9hD,EACTwkD,EAAQzC,OACO,KAAN/hD,EACTwkD,EAAQxC,QACO,KAANhiD,EACTwkD,EAAQvC,QACO,KAANjiD,EACTwkD,EAAQtC,QACO,KAANliD,EACTwkD,EAAQrC,KAAK,GACE,KAANniD,EACTwkD,EAAQrC,KAAK,GACE,KAANniD,EACTwkD,EAAQrC,KAAK,GACE,KAANniD,EACTwkD,EAAQpC,QACO,KAANpiD,EACTwkD,EAAQnC,QACO,KAANriD,EACTwkD,EAAQlC,OACO,KAANtiD,EACTwkD,EAAQjC,QACO,KAANviD,EACTwkD,EAAQhC,QACO,KAANxiD,EACTwkD,EAAQ/B,OACO,KAANziD,EACTwkD,EAAQ9B,QACO,KAAN1iD,GACTwkD,EAAQ7B,QAGV6B,EAAQ5B,KAAK5iD,EAAI,IAEnB1e,KAAKqiE,SAAW5jD,EAChBze,KAAKsiE,SAAW5jD,EAChB1e,KAAKoiE,SAAW3C,GACT,G,EAOToD,YAAA,SAAapkD,EAAWC,GACtB,IAAI+gD,EAAsB,KAE1B,OAAY,KAANhhD,GAAsB,KAANA,IAAgBC,GAAK,IAAQA,GAAK,MAEpD+gD,EADQ,KAANhhD,EACK,EAEA,KAGIze,KAAKoiE,UAChB9/D,GAAOrB,IAAI,QAAS,uCACb,IAEKjB,KAAKmiE,SAAS1C,EAAO,GAC3B+B,SAAS9iD,GACjBpc,GAAOrB,IAAI,QAAS,WAAak6D,GAAmB,CAAC18C,EAAGC,IAAM,MACvD,K,EAQXokD,SAAA,SAAUrkD,EAAWC,GACnB,IAAI+gD,EACA7F,EAAqB,KAIzB,MAFcn7C,GAAK,IAAQA,GAAK,IAAUA,GAAK,IAAQA,GAAK,KAAWC,GAAK,IAAQA,GAAK,SACtE,KAAND,GAAoB,KAANA,IAAgBC,GAAK,IAAQA,GAAK,IAE3D,OAAO,EAGT,GAAID,IAAMze,KAAKqiE,UAAY3jD,IAAM1e,KAAKsiE,SAGpC,OAFAtiE,KAAKqiE,SAAW,KAChBriE,KAAKsiE,SAAW,MACT,EAGT7C,EAAQhhD,GAAK,GAAQ,EAAI,EAGvBm7C,EADEl7C,GAAK,IAAQA,GAAK,GACJ,IAAT+gD,EAAchF,GAAWh8C,GAAKk8C,GAAWl8C,GAEhC,IAATghD,EAAc/E,GAAYj8C,GAAKm8C,GAAYn8C,GAEpD,IAAI2/C,EAAUp+D,KAAKmjE,aAAavJ,EAAMl7C,GAMtC,OALc1e,KAAKmiE,SAAS1C,EAAO,GAC3BtB,OAAOC,GACfp+D,KAAKqiE,SAAW5jD,EAChBze,KAAKsiE,SAAW5jD,EAChB1e,KAAKoiE,SAAW3C,GACT,G,EAOT0D,aAAA,SAAcvJ,EAAaW,GACzB,IAAI6I,EAAW7I,EACX6D,EAAmB,CAAEK,MAAO,KAAMhD,SAAS,EAAO3B,OAAQ,KAAM0B,WAAW,EAAO5B,IAAKA,GAiB3F,OAdEwJ,EADE7I,EAAO,GACEA,EAAO,GAEPA,EAAO,GAGpB6D,EAAQ5C,UAA+B,IAAP,EAAX4H,GACjBA,GAAY,GACdhF,EAAQK,MAAQ,CAAC,QAAS,QAAS,OAAQ,OAAQ,MAAO,SAAU,UAAW,SAASl4D,KAAKmR,MAAM0rD,EAAW,IACrGA,GAAY,IACrBhF,EAAQ3C,SAAU,EAClB2C,EAAQK,MAAQ,SAEhBL,EAAQtE,OAA+C,EAArCvzD,KAAKmR,OAAO0rD,EAAW,IAAQ,GAE5ChF,G,EAOT4E,WAAA,SAAYvkD,EAAWC,GACrB,IAAI2kD,EAA2B,KAC7BC,EAA6B,KAC7BC,EAA2B,KAS7B,GAPI9kD,GAAK,IACP4kD,EAAY,EACZE,EAAY9kD,EAAI,IAEhB4kD,EAAY,EACZE,EAAY9kD,GAEV8kD,GAAa,IAAQA,GAAa,GAAM,CAE1C,IAAIC,EAAU9kD,EAEZ8kD,EADgB,KAAdD,EACQ7kD,EAAI,GACS,KAAd6kD,EACC7kD,EAAI,IAEJA,EAAI,IAGhBpc,GAAOrB,IAAI,OAAQ,iBAAoBq5D,GAAekJ,GAAW,gBAAmBH,GACpFC,EAAY,CAACE,QACJ/kD,GAAK,IAAQA,GAAK,MAC3B6kD,EAAmB,IAAN5kD,EAAW,CAACD,GAAK,CAACA,EAAGC,IAEpC,GAAI4kD,EAAW,CACb,IAAIG,EAAWtI,GAAmBmI,GAClChhE,GAAOrB,IAAI,QAAS,iBAAmBwiE,EAASh3D,KAAK,MACrDzM,KAAKqiE,SAAW,KAChBriE,KAAKsiE,SAAW,KAElB,OAAOgB,G,EAOTP,0BAAA,SAA2BtkD,EAAWC,GACpC,IAAIigD,EACFz1D,EACAu2D,EAKF,QAFmB,KAANhhD,GAAoB,KAANA,IAAgBC,GAAK,IAAQA,GAAK,KAC1C,KAAND,GAAoB,KAANA,IAAgBC,GAAK,IAAQA,GAAK,MAK7DigD,EAAU,GACA,KAANlgD,GAAoB,KAANA,GAChBvV,EAAQ3C,KAAKmR,OAAOgH,EAAI,IAAQ,GAChCigD,EAAQjD,WAAab,GAAiB3xD,GAClCwV,EAAI,GAAM,IACZigD,EAAQjD,WAAaiD,EAAQjD,WAAa,UAE7B,KAANh9C,EACTigD,EAAQjD,WAAa,eAErBiD,EAAQpD,WAAa,QACX,KAAN78C,IACFigD,EAAQnD,WAAY,IAGxBiE,EAAQhhD,EAAI,GAAQ,EAAI,EACdze,KAAKmiE,SAAS1C,EAAO,GACvBf,WAAWC,GACnB3+D,KAAKqiE,SAAW,KAChBriE,KAAKsiE,SAAW,MACT,I,EAMT1G,MAAA,WACE,IAAK,IAAIl0D,EAAI,EAAGA,EAAI1H,KAAKmiE,SAASn7D,OAAQU,IACpC1H,KAAKmiE,SAASz6D,IAChB1H,KAAKmiE,SAASz6D,GAAGk0D,QAGrB57D,KAAKqiE,SAAW,KAChBriE,KAAKsiE,SAAW,M,EAMlBT,eAAA,SAAgB7yD,GACd,IAAK,IAAItH,EAAI,EAAGA,EAAI1H,KAAKmiE,SAASn7D,OAAQU,IACpC1H,KAAKmiE,SAASz6D,IAChB1H,KAAKmiE,SAASz6D,GAAGm6D,eAAe7yD,I,KCptCnB00D,G,WAQnB,WAAaC,EAAyBtlB,GAAmB,KAPzDslB,wBAOyD,OANzDtlB,eAMyD,OALzD/qB,eAKyD,OAJzDC,aAIyD,OAHzD+sC,YAGyD,EACvDtgE,KAAK2jE,mBAAqBA,EAC1B3jE,KAAKq+C,UAAYA,EACjBr+C,KAAKszB,UAAY,KACjBtzB,KAAKuzB,QAAU,KACfvzB,KAAKsgE,OAAS,K,2BAGhBsB,YAAA,WACyB,OAAnB5hE,KAAKszB,YAITtzB,KAAK2jE,mBAAmBC,QAAQ5jE,KAAKq+C,UAAWr+C,KAAKszB,UAAWtzB,KAAKuzB,QAASvzB,KAAKsgE,QACnFtgE,KAAKszB,UAAY,O,EAGnBomC,OAAA,SAAQpmC,EAAmBC,EAAiB+sC,IACnB,OAAnBtgE,KAAKszB,WAAsBtzB,KAAKszB,UAAYA,KAC9CtzB,KAAKszB,UAAYA,GAGnBtzB,KAAKuzB,QAAUA,EACfvzB,KAAKsgE,OAASA,EACdtgE,KAAK2jE,mBAAmBE,oBAAoB7jE,KAAKq+C,Y,qBC5B/CylB,GAAa,mBAGbC,GAAa,SACjBC,EACAC,EACA57C,GAEA,YADA,IADAA,MAAmB,GAEZ27C,EAAYjjC,OAAO1Y,EAAU47C,EAAaj9D,UAAYi9D,GA6BzDC,GAAO,SAAU96D,GAGrB,IAFA,IAAI86D,EAAO,KACPx8D,EAAI0B,EAAKpC,OACNU,GACLw8D,EAAe,GAAPA,EAAa96D,EAAK8M,aAAaxO,GAGzC,OAAQw8D,IAAS,GAAG/yC,YAqCf,SAASgzC,GACdC,EACAxnD,EACArF,EACA8sD,EACAznC,EACAthB,EACAgpD,EACAC,GAEA,IAYIC,EAZEC,EAAS,IAAIxN,GAGbyN,EAAWr6D,aAAe,IAAI1B,WAAWy7D,IAC5Cn5D,OACAnB,QAAQg6D,GAAY,MACpBv3D,MAAM,MACH42C,EAAiB,GACjBwhB,EAAcl+D,aAA2BmW,EAASrF,GACpDqtD,EAAU,YACVC,EAAqB,EACrBC,EAAoB,EAEpBC,GAAW,EACXC,GAAe,EAEnBP,EAAOlL,MAAQ,SAAUrV,GAEvB,IAAM+gB,EAASZ,EAAOznC,GAClBsoC,EAAYb,EAAOpzB,SAGjBk0B,GAAyBN,EAAqBF,GAAe,IAiBnE,GAdIM,GAAUA,EAAOG,WACOzzD,IAAtBmzD,EAEFI,EAAYb,EAAOpzB,SAAWg0B,EAAO/iD,MA9DrB,SAAUmiD,EAAgBznC,EAAIyoC,GACpD,IAAIJ,EAASZ,EAAOznC,GAChB0oC,EAASjB,EAAOY,EAAOK,QAI3B,IAAKA,IAAYA,EAAOF,KAAOH,EAAOG,IAGpC,OAFAf,EAAOpzB,SAAWozB,EAAOkB,mBAAqBN,EAAO/iD,WACrD+iD,EAAOG,KAAM,GAMf,KAAOE,GAAUA,EAAOF,KACtBf,EAAOpzB,UAAYg0B,EAAO/iD,MAAQojD,EAAOpjD,MACzC+iD,EAAOG,KAAM,EAEbE,EAASjB,GADTY,EAASK,GACcA,QAGzBjB,EAAOkB,mBAAqBF,EA2CtBG,CAAgBnB,EAAQznC,EAAIuoC,IAI5BA,IAEFD,EAAYC,EAAwBd,EAAOkB,oBAGzCP,EAAc,CAChB,IAAMxtD,EAAW0sC,EAAI3wB,QAAU2wB,EAAI5wB,UAC7BA,EACJ9Q,aACoD,KAAjD0hC,EAAI5wB,UAAY4xC,EAAYJ,GAChB,IAAbxpD,GACE,IACN4oC,EAAI5wB,UAAYA,EAChB4wB,EAAI3wB,QAAUD,EAAY9b,EAI5B,IAAMpO,EAAO86C,EAAI96C,KAAK6B,OAGtBi5C,EAAI96C,KAAO2tD,mBAAmBC,mBAAmB5tD,IAG5C86C,EAAI7qC,KACP6qC,EAAI7qC,GApGH,SACLia,EACAC,EACAnqB,GAEA,OAAO86D,GAAK5wC,EAAUnC,YAAc+yC,GAAK3wC,EAAQpC,YAAc+yC,GAAK96D,GA+FvDq8D,CAAcvhB,EAAI5wB,UAAW4wB,EAAI3wB,QAASnqB,IAGjD86C,EAAI3wB,QAAU,GAChB4vB,EAAK96C,KAAK67C,IAIdugB,EAAOiB,eAAiB,SAAUtkE,GAChCojE,EAAepjE,GAGjBqjE,EAAOhL,QAAU,WACX+K,EACFD,EAAcC,GAGhBF,EAASnhB,IAIXuhB,EAASviE,SAAQ,SAAC42D,GAChB,GAAIgM,EAAU,CAEZ,GAAIhB,GAAWhL,EAAM,oBAAqB,CAExCgM,GAAW,EACXC,GAAe,EAEfjM,EACGh4B,OAAO,IACPx0B,MAAM,KACNpK,SAAQ,SAAC0G,GACJk7D,GAAWl7D,EAAW,UACxB+7D,EAAU/7D,EAAUk4B,OAAO,GAClBgjC,GAAWl7D,EAAW,aAC/Bg8D,EAAqB78C,SAASnf,EAAUk4B,OAAO,QAGrD,IAEE+jC,EAnLe,SAAUa,GACjC,IAAIrN,EAAKtwC,SAAS29C,EAAW5kC,QAAQ,IAC/B6kC,EAAO59C,SAAS29C,EAAW5kC,QAAQ,EAAG,IACtC8kC,EAAO79C,SAAS29C,EAAW5kC,QAAQ,EAAG,IACtC+kC,EACJH,EAAW3+D,OAAS,EAChBghB,SAAS29C,EAAW5kC,OAAO,EAAG4kC,EAAW/7D,QAAQ,OACjD,EAEN,KACG,YAAgB0uD,IAChB,YAAgBsN,IAChB,YAAgBC,IAChB,YAAgBC,IAEjB,MAAMz6D,MAAM,oCAAoCs6D,GAOlD,OAJArN,GAAM,IAAOsN,EACbtN,GAAM,IAAYuN,EAClBvN,GAAM,KAAiBwN,EA+JKC,CAAiBnB,GAAW,IAChD,MAAOxjE,GACP4jE,GAAe,EACfR,EAAepjE,EAGjB,OACkB,KAAT23D,IACTgM,GAAW,GAIfN,EAAOpqC,MAAM0+B,EAAO,SAGtB0L,EAAOjL,Q,4HCyLT,SAASwM,GAAsBC,EAAYC,GACzC,OAAOD,GAAcA,EAAWpiB,QAAUqiB,EAAcn5D,QAAUk5D,EAAWE,YAAcF,EAAWG,YAOzFC,O,oBAvXb,WAAa1rC,GAAK,MAyBhB,IAxBA,cAAMA,EAAK3nB,IAAMxQ,gBACfwQ,IAAMtQ,gBACNsQ,IAAMjO,sBACNiO,IAAMnO,eACNmO,IAAM5P,iBACN4P,IAAM3P,gBACN2P,IAAMpO,YACNoO,IAAMxO,iBAPR,MAlBM29B,MAAiC,KAiBvB,EAhBVrwB,YAgBU,IAfVw0D,SAAmB,EAeT,EAdVC,UAcU,IAbV5iB,WAA+B,GAarB,EAZV3rC,OAAqB,GAYX,EAXV4E,QAAyB,GAWf,EAVVrF,UAA2B,GAUjB,EATVivD,iBAA0D,GAShD,EARVC,UAAwB,GAQd,EAPVC,eAAsB,GAOZ,EANVC,wBAMU,IALVC,kBAKU,IAJVC,QAAkB,EAIR,EAHVvB,QAAkB,EAGR,EAFVjB,OAAc,KAYpB,EAAK1pC,IAAMA,EACX,EAAK7oB,OAAS6oB,EAAI7oB,OAClB,EAAKy0D,KAAO5rC,EAAI7oB,OAAOg1D,WAEvB,EAAKH,mBAAqB,CACxBR,WAAY,CACVtiB,MAAO,EAAK/xC,OAAOi1D,wBACnBC,aAAc,EAAKl1D,OAAOm1D,gCAE5Bb,WAAY,CACVviB,MAAO,EAAK/xC,OAAOo1D,wBACnBF,aAAc,EAAKl1D,OAAOq1D,iCAI1B,EAAKr1D,OAAOs1D,qBAAsB,CACpC,IAAMC,EAAW,IAAI3D,GAAJ,MAAuB,cAClC4D,EAAW,IAAI5D,GAAJ,MAAuB,cACxC,EAAKkD,aAAe,IAAI9E,GAAa,EAAGuF,EAAUC,GA5BpC,S,kHAgClB1D,QAAA,SAASvlB,EAAmB/qB,EAAmBC,EAAiB+sC,GAI9D,IAFA,IAiVmBiH,EAAY14D,EAAY24D,EAAYC,EAjVjDC,EAAS1nE,KAAKymE,UAChBkB,GAAS,EACJjgE,EAAIggE,EAAO1gE,OAAQU,KAAM,CAChC,IAAIkgE,EAAWF,EAAOhgE,GAClBmgE,GA6UaN,EA7UUK,EAAS,GA6UP/4D,EA7UW+4D,EAAS,GA6URJ,EA7UYl0C,EA6UAm0C,EA7UWl0C,EA8U7DhtB,KAAKgX,IAAI1O,EAAI44D,GAAMlhE,KAAK0V,IAAIsrD,EAAIC,IA7UnC,GAAIK,GAAW,IACbD,EAAS,GAAKrhE,KAAKgX,IAAIqqD,EAAS,GAAIt0C,GACpCs0C,EAAS,GAAKrhE,KAAK0V,IAAI2rD,EAAS,GAAIr0C,GACpCo0C,GAAS,EACJE,GAAWt0C,EAAUD,GAAc,IACtC,OAIDq0C,GACHD,EAAOr/D,KAAK,CAACirB,EAAWC,IAG1BvzB,KAAKumE,KAAK7M,OAAO15D,KAAK0mE,eAAeroB,GAAY/qB,EAAWC,EAAS+sC,I,EAIvE3M,eAAA,SAAgB7sD,GAA0E,WAChFyoB,EAAiCzoB,EAAjCyoB,KAAMlW,EAA2BvS,EAA3BuS,GAAIuD,EAAuB9V,EAAvB8V,QAASrF,EAAczQ,EAAdyQ,UACnBivD,EAAqBxmE,KAArBwmE,iBAEG,SAAPntD,IACFrZ,KAAK4c,QAAQ2S,EAAKqN,IAAMhgB,EACxB5c,KAAKuX,UAAUgY,EAAKqN,IAAMrlB,GAKxBivD,EAAiBx/D,SACnBhH,KAAKwmE,iBAAmB,GACxBA,EAAiBrkE,SAAQ,SAAAotB,GACvB,EAAKod,aAAapd,Q,EAKxBu4C,iBAAA,SAAkBzpB,GAAqC,IAC7Clc,EAAUniC,KAAVmiC,MACR,GAAIA,EACF,IAAK,IAAIz6B,EAAI,EAAGA,EAAIy6B,EAAMwhB,WAAW38C,OAAQU,IAAK,CAChD,IAAI2T,EAAY8mB,EAAMwhB,WAAWj8C,GACjC,GAAI2T,EAAUgjC,GACZ,OAAOhjC,EAIb,OAAO,M,EAGTwoD,oBAAA,SAAqBxlB,GAAmB,IAC9BsoB,EAA8C3mE,KAA9C2mE,mBAAoBD,EAA0B1mE,KAA1B0mE,eAAgBvkC,EAAUniC,KAAVmiC,MADN,EAENwkC,EAAmBtoB,GAA3CwF,EAF8B,EAE9BA,MAAOmjB,EAFuB,EAEvBA,aACf,IAAKN,EAAeroB,GAAY,CAE9B,IAAM0pB,EAAgB/nE,KAAK8nE,iBAAiBzpB,GAC5C,GAAK0pB,EAQHrB,EAAeroB,GAAa0pB,EAC5B7kB,GAAiBwjB,EAAeroB,IAChCuE,GAAkB8jB,EAAeroB,GAAYlc,OAV3B,CAClB,IAAM9mB,EAAYrb,KAAKgoE,gBAAgB,WAAYnkB,EAAOmjB,GACtD3rD,IAEFA,EAAUgjC,IAAa,EACvBqoB,EAAeroB,GAAahjC,M,EAUpC2sD,gBAAA,SAAiBpkB,EAAqBC,EAAelhB,GACnD,IAAMR,EAAQniC,KAAKmiC,MACnB,GAAKA,EAGL,OAAOA,EAAM2hB,aAAaF,EAAMC,EAAOlhB,I,EAGzCjxB,QAAA,WACE,YAAMA,QAAN,Y,EAGFk6C,iBAAA,SAAkB9kD,GAChB9G,KAAKmiC,MAAQr7B,EAAKq7B,MAClBniC,KAAKioE,gB,EAGP/qB,iBAAA,WAAoB,IACVwpB,EAAmB1mE,KAAnB0mE,eACRnmE,OAAOkd,KAAKipD,GAAgBvkE,SAAQ,SAAAk8C,GAClC6E,GAAiBwjB,EAAeroB,WACzBqoB,EAAeroB,O,EAI1B/Y,kBAAA,WACEtlC,KAAK6mE,QAAU,EACf7mE,KAAKslE,QAAU,EACftlE,KAAKqkE,OAAS,CACZpzB,SAAU,EACVs0B,mBAAoB,EACpB2C,EAAG,CACDhmD,MAAO,EAAGojD,QAAS,EAAGF,KAAK,IAG/BplE,KAAKuX,UAAY,GACjBvX,KAAKioE,gB,EAGPA,aAAA,WAAgB,IAEN9lC,EAAUniC,KAAVmiC,MACR,GAAKA,EAAL,CAGA,IAAMwhB,EAAaxhB,EAAMwhB,WACzB,GAAIA,EACF,IAAK,IAAIj8C,EAAI,EAAGA,EAAIi8C,EAAW38C,OAAQU,IACrCw7C,GAAiBS,EAAWj8C,M,EAKlCq5C,iBAAA,SAAkBj6C,GAAiC,WAMjD,GALA9G,KAAK2jD,WAAa,GAClB3jD,KAAKwmE,iBAAmBxmE,KAAKwmE,kBAAoB,GACjDxmE,KAAK4c,QAAU,GACf5c,KAAKymE,UAAY,GAEbzmE,KAAK8R,OAAOq2D,aAAc,CAC5BnoE,KAAKgY,OAASlR,EAAKghC,WAAa,GAChC,IAAMsgC,EAAcpoE,KAAKmiC,MAAQniC,KAAKmiC,MAAMwhB,WAAa,GAEzD3jD,KAAKgY,OAAO7V,SAAQ,SAACyV,EAAO1O,GAC1B,IAAImS,EACJ,GAAInS,EAAQk/D,EAAYphE,OAAQ,CAG9B,IAFA,IAAIi/D,EAA+B,KAE1Bv+D,EAAI,EAAGA,EAAI0gE,EAAYphE,OAAQU,IACtC,GAAIs+D,GAAqBoC,EAAY1gE,GAAIkQ,GAAQ,CAC/CquD,EAAamC,EAAY1gE,GACzB,MAKAu+D,IACF5qD,EAAY4qD,GAGX5qD,IACHA,EAAY,EAAK2sD,gBAAgB,YAAapwD,EAAM7K,KAAM6K,EAAM+qB,OAG9D/qB,EAAMwf,QACR/b,EAAU+oC,KAAO,EAAKzpB,IAAI0tC,gBAAkB,UAAY,SAExDhtD,EAAU+oC,KAAO,WAGnB,EAAKT,WAAWt7C,KAAKgT,Q,EAK3BsxB,aAAA,SAAc7lC,GAAwC,IAC5CyoB,EAAkBzoB,EAAlByoB,KAAMpY,EAAYrQ,EAAZqQ,QACNyvD,EAAoD5mE,KAApD4mE,aAAchqD,EAAsC5c,KAAtC4c,QAASiqD,EAA6B7mE,KAA7B6mE,OAAQL,EAAqBxmE,KAArBwmE,iBACvC,GAAkB,SAAdj3C,EAAKhuB,KAAiB,CACxB,IAAMuW,EAAKyX,EAAKzX,GAEZyX,EAAKzX,KAAO+uD,EAAS,GACnBD,GACFA,EAAahL,QAGjB57D,KAAK6mE,OAAS/uD,OAGX,GAAkB,aAAdyX,EAAKhuB,KACZ,GAAI4V,EAAQzO,WAAY,CAEtB,IAAK,YAAgBkU,EAAQ2S,EAAKqN,KAMhC,OALA4pC,EAAiBn+D,KAAKvB,QAClB8V,EAAQ5V,QAEVhH,KAAK26B,IAAI5nB,QAAQC,IAAMzO,wBAAyB,CAAE+jE,SAAS,EAAO/4C,UAKtE,IAAIg5C,EAAch5C,EAAK5E,YAEH,MAAf49C,GAA4C,MAAnBA,EAAYloE,KAAwC,YAAvBkoE,EAAY97C,QACrEzsB,KAAKwoE,WAAWj5C,EAAMpY,QAIxBnX,KAAK26B,IAAI5nB,QAAQC,IAAMzO,wBAAyB,CAAE+jE,SAAS,EAAO/4C,U,EAKxEi5C,WAAA,SAAYj5C,EAAgBpY,GAAS,IAC3BwjB,EAAoC36B,KAApC26B,IAAK2qC,EAA+BtlE,KAA/BslE,OAAQ3hB,EAAuB3jD,KAAvB2jD,WAAY0gB,EAAWrkE,KAAXqkE,OAC5BA,EAAO90C,EAAKqN,MACfynC,EAAO90C,EAAKqN,IAAM,CAAE1a,MAAOqN,EAAKrN,MAAOojD,SAAQF,KAAK,GACpDplE,KAAKslE,OAAS/1C,EAAKqN,IAGrBunC,GACEhtD,EACAnX,KAAK4c,QAAQ2S,EAAKqN,IAClB58B,KAAKuX,UAAUgY,EAAKqN,IACpBynC,EACA90C,EAAKqN,GACLrN,EAAKrN,OACL,SAACihC,GACC,IAAMslB,EAAe9kB,EAAWp0B,EAAKyN,OAIrC,GAA0B,aAAtByrC,EAAarkB,KAAjB,CAIA,IAAIskB,EAAe1iE,OAAOm5B,iBAG1BgkB,EAAKhhD,SAAQ,SAAA+hD,GAMX,GAJAwkB,EAAeniE,KAAKgX,IAAI2mC,EAAI5wB,UAAUo1C,IAIjCD,EAAatlB,KAAKwlB,WAAWzkB,EAAI7qC,IACpC,IAEE,GADAovD,EAAahkB,OAAOP,IACfukB,EAAatlB,KAAKwlB,WAAWzkB,EAAI7qC,IACpC,MAAM,IAAIhO,MAAJ,yBAAmC64C,GAE3C,MAAOtxC,GACPtQ,IAAOtB,MAAP,mCAAgD4R,GAChD,IAAMg2D,EAAe,IAAKt+D,OAAek6C,aAAaN,EAAI5wB,UAAW4wB,EAAI3wB,QAAS2wB,EAAI96C,MACtFw/D,EAAavvD,GAAK6qC,EAAI7qC,GACtBovD,EAAahkB,OAAOmkB,OAS1B,IAHA,IAAIluB,EAAmB/f,EAAIg0B,iBAAiBjU,iBAGrCyI,EAAKn8C,OAAS,QAA0B2K,IAArB+oC,GAEpB+tB,EAAatlB,KAAK,GAAG7vB,UAAYo1C,EAAe,KAClDD,EAAarlB,UAAUqlB,EAAatlB,KAAK,IAK7CxoB,EAAI5nB,QAAQC,IAAMzO,wBAAyB,CAAE+jE,SAAS,EAAM/4C,KAAMA,SAvChEoL,EAAI5nB,QAAQC,IAAMzO,wBAAyB,CAAE+jE,SAAS,EAAO/4C,KAAMA,OAyCvE,SAACnuB,GAECkB,IAAOrB,IAAP,4BAAuCG,GACvCu5B,EAAI5nB,QAAQC,IAAMzO,wBAAyB,CAAE+jE,SAAS,EAAO/4C,KAAMA,Q,EAKzEs5C,gBAAA,SAAiB/hE,GAAuC,IAC9CyoB,EAAkBzoB,EAAlByoB,KAAMpY,EAAYrQ,EAAZqQ,QACd,GAAkB,aAAdoY,EAAKhuB,KAAqB,CAC5B,IAAK,YAAgBvB,KAAK4c,QAAQ2S,EAAKqN,KAErC,YADA58B,KAAKwmE,iBAAiBn+D,KAAKvB,GAI7B9G,KAAKwoE,WAAWj5C,EAAMpY,K,EAI1B2xD,sBAAA,SAAuBhiE,GACrB,GAAK9G,KAAKsmE,SAAYtmE,KAAK4mE,aAM3B,IAAK,IAAIl/D,EAAI,EAAGA,EAAIZ,EAAKuR,QAAQrR,OAAQU,IAAK,CAC5C,IAAMqhE,EAAUjiE,EAAKuR,QAAQ3Q,GAAGyQ,MAChC,GAAI4wD,EAAS,CACX,IAAMC,EAAUhpE,KAAKipE,kBAAkBF,GACvC/oE,KAAK4mE,aAAapE,QAAQ17D,EAAKuR,QAAQ3Q,GAAGqU,IAAKitD,M,EAKrDC,kBAAA,SAAmBj4C,GAMjB,IALA,IAEIk4C,EAASC,EAASC,EAFlB3gD,EAAuB,GAAfuI,EAAU,GAClB3I,EAAW,EAEXghD,EAA0B,GAErB/pD,EAAI,EAAGA,EAAImJ,EAAOnJ,IACzB4pD,EAAUl4C,EAAU3I,KACpB8gD,EAAU,IAAOn4C,EAAU3I,KAC3B+gD,EAAU,IAAOp4C,EAAU3I,KAIX,IAAZ8gD,GAA6B,IAAZC,GAHO,IAAjB,EAAIF,IAQE,KAPR,EAAIA,KAQTG,EAAchhE,KAAK8gE,GACnBE,EAAchhE,KAAK+gE,IAIzB,OAAOC,G,GA7XsB3uC,G,uKCwOjC,SAAS4uC,GAAsBC,GAE7B,IADA,IAAIvxD,EAAS,GACJtQ,EAAI,EAAGA,EAAI6hE,EAAcviE,OAAQU,IAAK,CAC7C,IAAMkQ,EAAQ2xD,EAAc7hE,GAET,cAAfkQ,EAAMgsC,MAAwBhsC,EAAMisC,OACtC7rC,EAAO3P,KAAKkhE,EAAc7hE,IAG9B,OAAOsQ,EAGMwxD,O,oBAxPb,WAAa7uC,GAAK,aAChB,cAAMA,EACJ3nB,IAAMvQ,eACNuQ,IAAMtQ,gBACNsQ,IAAM3P,gBACN2P,IAAM1O,wBAJR,MAKK0T,OAAS,GACd,EAAKwd,SAAW,EAChB,EAAK2M,MAAQ,KACb,EAAKsnC,SAAU,EAKf,EAAKpB,iBAAkB,EAMvB,EAAKqB,mBAAqB,KApBV,E,wHAuBlBh4D,QAAA,WACEgpB,EAAal6B,UAAUkR,QAAQhR,KAAKV,O,EAItC48C,gBAAA,SAAiB91C,GAAM,WACrB9G,KAAKmiC,MAAQr7B,EAAKq7B,MACbniC,KAAKmiC,QAIN,YAAgBniC,KAAK0pE,sBACvB1pE,KAAK2pE,cAAgB3pE,KAAK0pE,mBAC1B1pE,KAAK0pE,mBAAqB,MAG5B1pE,KAAK4pE,oBAAsB5pE,KAAK6pE,qBAAqBvpE,KAAKN,MAE1DA,KAAK8pE,sBAAwB9pE,KAAKmiC,MAAMwhB,YAAc,aAAc3jD,KAAKmiC,MAAMwhB,YAC3E3jD,KAAK8pE,oBACP9pE,KAAK+pE,wBAA0B/yB,aAAY,WACzC,EAAK4yB,wBACJ,KAEH5pE,KAAKmiC,MAAMwhB,WAAWxpB,iBAAiB,SAAUn6B,KAAK4pE,uB,EAI1D1sB,iBAAA,WACOl9C,KAAKmiC,QAINniC,KAAK8pE,oBACPjzB,cAAc72C,KAAK+pE,yBAEnB/pE,KAAKmiC,MAAMwhB,WAAWjU,oBAAoB,SAAU1vC,KAAK4pE,qBAGvD,YAAgB5pE,KAAK2pE,iBACvB3pE,KAAK0pE,mBAAqB1pE,KAAK2pE,eAGdL,GAAqBtpE,KAAKmiC,MAAMwhB,YAExCxhD,SAAQ,SAACyV,GAClBsrC,GAAiBtrC,MAGnB5X,KAAK2pE,eAAiB,EACtB3pE,KAAKmiC,MAAQ,O,EAIf4e,iBAAA,SAAkBj6C,GAAM,WAClBkR,EAASlR,EAAKghC,WAAa,GAC/B9nC,KAAKgY,OAASA,EACdhY,KAAK26B,IAAI5nB,QAAQC,IAAM7O,wBAAyB,CAAE6lE,eAAgBhyD,IAIlEA,EAAO7V,SAAQ,SAAAyV,GACTA,EAAMwf,UAKJ,EAAK+K,MACP,EAAKwnC,cAAgB/xD,EAAMyB,GAE3B,EAAKqwD,mBAAqB9xD,EAAMyB,Q,EAMxC4wD,sBAAA,SAAuBnjE,GAAM,WACnBuS,EAAgBvS,EAAhBuS,GAAInG,EAAYpM,EAAZoM,QACJsiB,EAAoBx1B,KAApBw1B,QAASxd,EAAWhY,KAAXgY,OACXywD,EAAezwD,EAAOwd,GAC5B,GAAInc,GAAMrB,EAAOhR,QAAUqS,IAAOmc,IAAYizC,GAAgBzoE,KAAKypE,QACjEzpE,KAAKkqE,yBAKP,GADA5nE,IAAOrB,IAAP,kBAA6BoY,EAA7B,WACInG,EAAQirB,KAAM,CAChB,IAAM4T,EAAiBH,GAAsB62B,EAAav1D,QAASA,EAASpM,EAAK0sB,MAAM+uB,UACvFjgD,IAAOrB,IAAP,uCAAkD8wC,EAAlD,MACA/xC,KAAKygD,MAAQrJ,YAAW,WACtB,EAAK+yB,sBACJp4B,QAEH/xC,KAAKkqE,qB,EAIT3yB,UAAA,WACEv3C,KAAKypE,SAAU,EACfzpE,KAAKmqE,qB,EAGP3yB,SAAA,WACEx3C,KAAKypE,SAAU,EACfzpE,KAAKkqE,qB,EAqBPA,kBAAA,WACMlqE,KAAKygD,QACPvJ,aAAal3C,KAAKygD,OAClBzgD,KAAKygD,MAAQ,O,EAIjB0pB,kBAAA,WAAqB,IACX30C,EAAyBx1B,KAAzBw1B,QAASxd,EAAgBhY,KAAhBgY,OAAQ2iB,EAAQ36B,KAAR26B,IACnB8tC,EAAezwD,EAAOwd,GACxBA,EAAU,IAAMizC,GAAiBA,EAAav1D,UAAYu1D,EAAav1D,QAAQirB,OAGnF77B,IAAOrB,IAAP,0BAAqCu0B,GACrCmF,EAAI5nB,QAAQC,IAAM3O,uBAAwB,CAAEgF,IAAKo/D,EAAap/D,IAAKgQ,GAAImc,M,EAUzE40C,kBAAA,SAAmBvX,GAAO,IAChB1wB,EAAoCniC,KAApCmiC,MAAOkmC,EAA6BroE,KAA7BqoE,gBAAiB7yC,EAAYx1B,KAAZw1B,QAChC,GAAK2M,EAAL,CAIA,IAAMwhB,EAAa2lB,GAAqBnnC,EAAMwhB,YAC9C,IAAe,IAAXkP,EACF,GAAGphD,MAAM/Q,KAAKijD,GAAYxhD,SAAQ,SAAAyV,GAChCA,EAAMwsC,KAAO,kBAEV,CACL,IAAMimB,EAAW1mB,EAAWnuB,GACxB60C,IACFA,EAASjmB,KAAO,YAIpB,IAAMkmB,EAAY3mB,EAAWkP,GACzByX,IACFA,EAAUlmB,KAAOikB,EAAkB,UAAY,Y,EASnDkC,0BAAA,SAA2B1X,GAAO,IACxBl4B,EAAgB36B,KAAhB26B,IAAK3iB,EAAWhY,KAAXgY,QACR,YAAgB66C,IAAUA,GAAS,GAAKA,GAAS76C,EAAOhR,SAI7DhH,KAAKw1B,QAAUq9B,EACfvwD,IAAOrB,IAAP,+BAA0C4xD,GAC1Cl4B,EAAI5nB,QAAQC,IAAM5O,sBAAuB,CAAEiV,GAAIw5C,IAC/C7yD,KAAKmqE,sB,EAGPN,qBAAA,WAEE,GAAK7pE,KAAKmiC,MAAV,CAMA,IAFA,IAAI3M,GAAW,EACXxd,EAASsxD,GAAqBtpE,KAAKmiC,MAAMwhB,YACpCtqC,EAAK,EAAGA,EAAKrB,EAAOhR,OAAQqS,IACnC,GAAwB,WAApBrB,EAAOqB,GAAI+qC,KAEb5uB,EAAUnc,OACL,GAAwB,YAApBrB,EAAOqB,GAAI+qC,KAAoB,CACxC5uB,EAAUnc,EACV,MAKJrZ,KAAK2pE,cAAgBn0C,I,6CApGrB,OAAOx1B,KAAKgY,S,oCAKZ,OAAOhY,KAAKw1B,S,aAIKg1C,GACbxqE,KAAKw1B,UAAYg1C,IACnBxqE,KAAKoqE,kBAAkBI,GACvBxqE,KAAKuqE,0BAA0BC,S,gCAjJC9vC,G,YCH1B+vC,GCUJ13C,GAAgBzoB,OAAhByoB,YAGK23C,GAAb,Y,QACE,WAAa/vC,EAAK0Z,GAAiB,aACjC,cAAM1Z,EACJ3nB,IAAMvQ,eACNuQ,IAAMtQ,gBACNsQ,IAAMzN,MACNyN,IAAMtN,WACNsN,IAAMpO,YACNoO,IAAM7O,wBACN6O,IAAM5O,sBACN4O,IAAM1O,sBACN0O,IAAMzO,wBACNyO,IAAMrP,gBAVR,MAYK0wC,gBAAkBA,EACvB,EAAKviC,OAAS6oB,EAAI7oB,OAClB,EAAKmgB,MAAQolB,GACb,EAAKr/B,OAAS,GACd,EAAK2yD,eAAiB,GACtB,EAAKC,gBAAkB,EACvB,EAAK//C,UAAY,IAAIjZ,KAAU+oB,EAAKA,EAAI7oB,QAExC,EAAK+4D,YAAc,EACnB,EAAKC,gBAAkB,EAAKlzB,eAAet3C,K,yHAApB,KAtBU,E,EADrC,G,EAAA,G,6EAAA,2BA0BEyqE,wBAAA,SAAyBjkE,GAAM,IACrByoB,EAAkBzoB,EAAlByoB,KAAM+4C,EAAYxhE,EAAZwhE,QAGd,GAFAtoE,KAAK8zC,aAAevkB,EACpBvvB,KAAKiyB,MAAQolB,GACRixB,EAAL,CAIA,IAAMl9B,EAAWprC,KAAK2qE,eAAe3qE,KAAK4qE,gBAC1C,GAAKx/B,EAAL,CAQA,IAFA,IAAII,EACEw/B,EAAYz7C,EAAKrN,MACdxa,EAAI,EAAGA,EAAI0jC,EAASpkC,OAAQU,IACnC,GAAIsjE,GAAa5/B,EAAS1jC,GAAGwa,OAAS8oD,GAAa5/B,EAAS1jC,GAAGQ,IAAK,CAClEsjC,EAAYJ,EAAS1jC,GACrB,MAIJ,IAAMujE,EAAU17C,EAAKrN,MAAQqN,EAAK/X,SAC9Bg0B,EACFA,EAAUtjC,IAAM+iE,GAEhBz/B,EAAY,CACVtpB,MAAO8oD,EACP9iE,IAAK+iE,GAEP7/B,EAAS/iC,KAAKmjC,OA1DpB,EA8DEoR,gBAAA,YAA4B,IAATza,EAAS,EAATA,MACjBniC,KAAKmiC,MAAQA,EACbA,EAAMhI,iBAAiB,UAAWn6B,KAAK8qE,iBACvC9qE,KAAKiyB,MAAQolB,IAjEjB,EAoEE6F,iBAAA,WAAoB,WACbl9C,KAAKmiC,QAGVniC,KAAKmiC,MAAMuN,oBAAoB,UAAW1vC,KAAK8qE,iBAC/C9qE,KAAKq0C,gBAAgBrH,qBACrBhtC,KAAK4qE,gBAAkB,EACvB5qE,KAAKgY,OAAO7V,SAAQ,SAACyV,GACnB,EAAK+yD,eAAe/yD,EAAMyB,IAAM,MAElCrZ,KAAKmiC,MAAQ,KACbniC,KAAKiyB,MAAQolB,KA/EjB,EAmFErQ,QAAA,SAASlgC,GAOP9G,KAAKiyB,MAAQolB,IA1FjB,EA8FE6zB,wBAAA,SAAyBpkE,GAAM,WAC7BxE,IAAOrB,IAAI,2BACXjB,KAAK2qE,eAAiB,GACtB3qE,KAAKgY,OAASlR,EAAKkjE,eACnBhqE,KAAKgY,OAAO7V,SAAQ,SAACyV,GACnB,EAAK+yD,eAAe/yD,EAAMyB,IAAM,OAnGtC,EAuGE8xD,sBAAA,SAAuBrkE,GAGrB,GAFA9G,KAAK4qE,eAAiB9jE,EAAKuS,GAEtBrZ,KAAKgY,QAAWhY,KAAKgY,OAAOhR,SAAmC,IAAzBhH,KAAK4qE,eAAhD,CAMA,IAAMnC,EAAezoE,KAAKgY,OAAOhY,KAAK4qE,gBAClCnC,GAAgBA,EAAav1D,SAC/BlT,KAAKg3C,YApHW,UA6GhBh3C,KAAK62C,iBA3GX,EAuHEozB,sBAAA,SAAuBnjE,GAAM,IACnBuS,EAAgBvS,EAAhBuS,GAAInG,EAAYpM,EAAZoM,QACJ03D,EAA2B5qE,KAA3B4qE,eAAgB5yD,EAAWhY,KAAXgY,OAClBywD,EAAezwD,EAAO4yD,GACxBvxD,GAAMrB,EAAOhR,QAAUqS,IAAOuxD,IAAmBnC,IAIjDv1D,EAAQirB,M7BkBT,SAAiCoT,EAAaC,EAAa45B,QAAoB,IAApBA,MAAiB,GACjF,IAAIvrC,GAAa,EACjBqR,GAAwBK,EAAaC,GAAa,SAACL,EAASC,EAASloC,GACnEkoC,EAAQlvB,MAAQivB,EAAQjvB,MACxB2d,EAAY32B,KAGd,IAAMmiE,EAAQ75B,EAAYtT,UAC1B,GAAI2B,EAAY,EACdwrC,EAAMlpE,SAAQ,SAAAotB,GACZA,EAAKrN,OAASkpD,UAKlB,IAAK,IAAI1jE,EAAIm4B,EAAY,EAAGn4B,EAAI2jE,EAAMrkE,OAAQU,IAC5C2jE,EAAM3jE,GAAGwa,MAASmpD,EAAM3jE,EAAI,GAAGwa,MAAQmpD,EAAM3jE,EAAI,GAAG8P,S6BjClD8zD,CAAuB7C,EAAav1D,QAASA,EAASlT,KAAK6qE,aAE7DpC,EAAav1D,QAAUA,EACvBlT,KAAKg3C,YArIa,OAEtB,EAsIE2G,YAAA,WACM39C,KAAKiyB,QAAUolB,KACjBr3C,KAAKiyB,MAAQolB,KAxInB,EA4IE1K,aAAA,SAAc7lC,GACZ,IAAM2wC,EAAcz3C,KAAKy3C,YACnB8wB,EAAczhE,EAAKyoB,KAAK5E,YACxBizB,EAAa92C,EAAKyoB,KAClBoL,EAAM36B,KAAK26B,IAEjB,GAAI36B,KAAKiyB,QAAUolB,IACfI,GACmB,aAAnB3wC,EAAKyoB,KAAKhuB,MACVk2C,EAAY3/B,KAAOhR,EAAKyoB,KAAKzX,IAE3BhR,EAAKqQ,QAAQzO,WAAa,GAAM6/D,GAAeA,EAAYloE,KAA8B,YAAvBkoE,EAAY97C,OAAuB,CACvG,IAAI6G,EAAYP,GAAYzM,MAG5BtmB,KAAK6qB,UAAU/d,QAAQhG,EAAKqQ,QAASoxD,EAAYloE,IAAI4I,OAAQs/D,EAAY37D,GAAG3D,QAAQ,SAAUsiB,GAC5F,IAAIgI,EAAUR,GAAYzM,MAC1BqU,EAAI5nB,QAAQC,IAAMnO,eAAgB,CAAE0qB,KAAMquB,EAAYzmC,QAASoU,EAAeiI,MAAO,CAAEC,OAAQH,EAAWI,SAAUH,UA7J9H,EAmKEy5B,eAAA,YAA6B,IACrBqe,EADqB,EAAXn4D,QACMgrB,UACtBl+B,KAAK6qE,YAAcQ,EAAMrkE,OAASqkE,EAAM,GAAGnpD,MAAQ,GArKvD,EAwKEi1B,OAAA,WACE,GAAKn3C,KAAKmiC,MAKV,OAAQniC,KAAKiyB,OACb,KAAKolB,GAAY,IACPvlC,EAA2D9R,KAA3D8R,OAAQ84D,EAAmD5qE,KAAnD4qE,eAAiCzoC,GAAkBniC,KAAnCq0C,gBAAmCr0C,KAAlBmiC,OAAOnqB,EAAWhY,KAAXgY,OACxD,IAAKA,IAAWA,EAAO4yD,KAAoB5yD,EAAO4yD,GAAgB13D,QAChE,MAHa,IAoBXohD,EAdIl0C,EAA0CtO,EAA1CsO,cAAesuB,EAA2B58B,EAA3B48B,uBACjBqlB,EAAkBxtD,KAAKgX,IAAIzL,EAAO+nC,gBAAiB/nC,EAAOgoC,oBAC1D/L,EAAeL,EAAaK,aAAa/tC,KAAKurE,eAAgBppC,EAAMwM,YAAavuB,GAC1EouB,EAA8BT,EAAnC7lC,IAAqBomC,EAAcP,EAAnB7jC,IAElB2pD,EAAe77C,EAAO4yD,GAAgB13D,QACtCgrB,EAAY21B,EAAa31B,UACzB8b,EAAU9b,EAAUl3B,OACpBkB,EAAMg2B,EAAU8b,EAAU,GAAG93B,MAAQgc,EAAU8b,EAAU,GAAGxiC,SAElE,GAAI82B,EAAYylB,EACd,OAIF,IAAMjgB,EAAe9zC,KAAK8zC,aACtBtF,EAAYtmC,GACV4rC,GAAgB+f,EAAaxgB,qBAC/BihB,EAAY9gB,GAAkBtV,EAAW4V,EAAa3P,mBAAoBuK,IAEvE4lB,IACHA,EAAYzgB,GAAkBC,EAAc5V,EAAWsQ,EAAWE,KAE/D4lB,GAAaT,EAAa11B,MAAQ2V,GAAgBA,EAAa5xB,MAAQgc,EAAU,GAAGhc,QAuBxFoyC,EAAYp2B,EAAU,GACtB57B,IAAOpB,KAAP,iFAA6FozD,EAAUpyC,MAAvG,OAIDoyC,EAAYp2B,EAAU8b,EAAU,GAG9Bsa,GAAaA,EAAUla,WACzB93C,IAAOrB,IAAP,mBAA8BqzD,EAAUx8C,IACxC9X,KAAKiyB,MAAQolB,GACbr3C,KAAK26B,IAAI5nB,QAAQC,IAAMvN,YAAa,CAAE8pB,KAAM+kC,KACnCA,GAAat0D,KAAKq0C,gBAAgB3H,SAAS4nB,KAAe1pB,IAEnE5qC,KAAKy3C,YAAc6c,EACnBt0D,KAAKiyB,MAAQolB,GACbr3C,KAAK26B,IAAI5nB,QAAQC,IAAMvO,aAAc,CAAE8qB,KAAM+kC,UAzE/Ct0D,KAAKiyB,MAAQolB,IA1KnB,EAyPEG,SAAA,WACEx3C,KAAK6qE,YAAc,EACnB,YAAMrzB,SAAN,YA3PJ,EA8PE+zB,aAAA,WACE,OAAOvrE,KAAK2qE,eAAe3qE,KAAK4qE,iBAAmB,IA/PvD,EAkQEhzB,eAAA,WACE53C,KAAK8zC,aAAe,MAnQxB,GAA8CwD,K,SDblCmzB,K,8BAAAA,E,qCAAAA,Q,KAMZ,IAAMe,GACkB,oBAAXlhE,QAA0BA,OAAOkQ,WAAalQ,OAAOkQ,UAAUgxD,4BACjElhE,OAAOkQ,UAAUgxD,4BAA4BlrE,KAAKgK,OAAOkQ,WAEzD,K,uKECX,IAwfeixD,G,oBArab,WAAa9wC,GAAK,aAChB,cAAMA,EACJ3nB,IAAMvQ,eACNuQ,IAAMrQ,eACNqQ,IAAM1P,kBAHR,MAhBMooE,yBAeU,IAdVC,sBAcU,IAbVC,iBAaU,IAZVC,kCAYU,IAVVC,aAUU,IATVC,eAAsC,GAS5B,EARVC,OAAkC,KAQxB,EAPVC,kBAA4B,EAOlB,EANVC,4BAAsC,EAM5B,EA+IVC,kBAAoB,SAAC9pE,GAC3BC,IAAOrB,IAAP,6BAAwCoB,EAAE+pE,aAA1C,oBAEA,EAAKC,uBACL,EAAKC,wCAAwCjqE,EAAE+pE,aAAc/pE,EAAE2xB,WA7I/D,EAAK83C,QAAUnxC,EAAI7oB,OAEnB,EAAK45D,oBAAsB,EAAKI,QAAQS,mBACxC,EAAKZ,iBAAmB,EAAKG,QAAQU,gBACrC,EAAKZ,YAAc,EAAKE,QAAQW,WAChC,EAAKZ,6BAA+B,EAAKC,QAAQY,gCAXjC,E,wHAmBlBC,oBAAA,SAAqBC,GACnB,OAAQA,GACR,KAAKnC,GAAWoC,SACd,IAAK7sE,KAAK0rE,oBACR,MAEF,OAAO1rE,KAAK0rE,oBAGd,MAAM,IAAIrgE,MAAJ,oDAA8DuhE,EAA9D,M,EAWAE,wBAAR,SAAiCF,EAAuBG,EAAuBC,GAAuB,WAI9FC,EAnFuC,SAAUL,EAAuBG,EAAuBC,GACvG,OAAQJ,GACR,KAAKnC,GAAWoC,SACd,OApC+C,SAAUE,EAAuBC,GAClF,IAAME,EAA0C,CAM9CC,kBAAmB,IASrB,OANAH,EAAY7qE,SAAQ,SAACqR,GACnB05D,EAAWC,kBAAmB9kE,KAAK,CACjC+kE,YAAa,sBAAsB55D,EAAxB,SAIR,CACL05D,GAmBOG,CAA2CN,EAAaC,GACjE,QACE,MAAM,IAAI3hE,MAAJ,uBAAiCuhE,IA8ETU,CAAyCV,EAAWG,EAAaC,GAE/F1qE,IAAOrB,IAAI,gDAGXjB,KAAKwrE,4BAA4BoB,EAAWK,GACzCx6D,MAAK,SAAC86D,GACL,EAAKC,gCAAgCZ,EAAWW,MAEjD56D,OAAM,SAACC,GACNtQ,IAAOlB,MAAP,gCAA6CwrE,EAA7C,YAAmEh6D,O,EAkBjE46D,gCAAR,SAAyCZ,EAAuBW,GAA4C,WAC1GjrE,IAAOrB,IAAP,0BAAqC2rE,EAArC,cAEA,IAAMa,EAAuC,CAC3CC,6BAA6B,EAC7BH,qBAAsBA,EACtBI,qBAAsBf,GAGxB5sE,KAAK+rE,eAAe1jE,KAAKolE,GAEzBF,EAAqBK,kBAClBn7D,MAAK,SAACo7D,GACLJ,EAAkBI,UAAYA,EAE9BvrE,IAAOrB,IAAP,sCAAiD2rE,EAAjD,KAEA,EAAKkB,yBAENn7D,OAAM,SAACC,GACNtQ,IAAOlB,MAAM,+BAAgCwR,O,EAU3Ck7D,oBAAR,WAA+B,WAE7B9tE,KAAK+rE,eAAe5pE,SAAQ,SAACsrE,GACtBA,EAAkBM,mBAErBN,EAAkBM,iBAAmBN,EAAkBI,UAAWG,gBAClE,EAAKC,sBAAsBR,EAAkBM,uB,EAS3CE,sBAAR,SAA+BC,GAA6B,WAC1D5rE,IAAOrB,IAAP,0BAAqCitE,EAAWC,WAEhDD,EAAW/zC,iBAAiB,WAAW,SAACjX,GACtC,EAAKkrD,qBAAqBF,EAAYhrD,EAAMpQ,YAC3C,I,EAQGs7D,qBAAR,SAA8BF,EAA6Bp7D,GACzDxQ,IAAOrB,IAAI,mDAEXjB,KAAKquE,gBAAgBv7D,GAAS,SAAChM,GAC7BxE,IAAOrB,IAAP,mCAA6C6F,EAAOA,EAAK4B,WAAa5B,GAAtE,2BACAonE,EAAWI,OAAOxnE,O,EAmBdulE,qBAAR,WACE,IAAKrsE,KAAKgsE,OACR,MAAM,IAAI3gE,MAAM,sEAGlB,IAAKrL,KAAKisE,iBAAkB,CAE1B,IAAMsC,EAAevuE,KAAK+rE,eAAe,GACzC,IAAKwC,IAAiBA,EAAaV,UAOjC,OANAvrE,IAAOlB,MAAM,sFACbpB,KAAK26B,IAAI5nB,QAAQC,IAAMzN,MAAO,CAC5BhE,KAAMsE,IAAW2oE,iBACjBt7D,QAASpN,IAAa2oE,mBACtBr7D,OAAO,IAKX9Q,IAAOrB,IAAI,oCAEXjB,KAAKgsE,OAAO0C,aAAaH,EAAaV,WACtC7tE,KAAKisE,kBAAmB,I,EAOpBK,wCAAR,SAAiDF,EAAsBp4C,GAA8B,WAE7Fu6C,EAAevuE,KAAK+rE,eAAe,GACzC,IAAKwC,EAOH,OANAjsE,IAAOlB,MAAM,sFACbpB,KAAK26B,IAAI5nB,QAAQC,IAAMzN,MAAO,CAC5BhE,KAAMsE,IAAW2oE,iBACjBt7D,QAASpN,IAAa6oE,qBACtBv7D,OAAO,IAKX,GAAIm7D,EAAab,4BACfprE,IAAOpB,KAAK,2DADd,CAKA,IAAMgtE,EAAaK,EAAaR,iBAChC,IAAKG,EAOH,OANA5rE,IAAOlB,MAAM,8DACbpB,KAAK26B,IAAI5nB,QAAQC,IAAMzN,MAAO,CAC5BhE,KAAMsE,IAAW2oE,iBACjBt7D,QAASpN,IAAa8oE,sBACtBx7D,OAAO,IAMX,IAAK4gB,EAOH,OANA1xB,IAAOpB,KAAK,sEACZlB,KAAK26B,IAAI5nB,QAAQC,IAAMzN,MAAO,CAC5BhE,KAAMsE,IAAW2oE,iBACjBt7D,QAASpN,IAAa+oE,wBACtBz7D,OAAO,IAKX9Q,IAAOrB,IAAP,uCAAkDmrE,EAAlD,oBACAmC,EAAab,6BAA8B,EAE3CQ,EAAWY,gBAAgB1C,EAAcp4C,GACtCvhB,MAAK,WACJnQ,IAAOtB,MAAM,uCAEd2R,OAAM,SAACC,GACNtQ,IAAOlB,MAAM,wCAAyCwR,GACtD,EAAK+nB,IAAI5nB,QAAQC,IAAMzN,MAAO,CAC5BhE,KAAMsE,IAAW2oE,iBACjBt7D,QAASpN,IAAa8oE,sBACtBx7D,OAAO,S,EAaP27D,kBAAR,SAA2B1lE,EAAa2lE,EAAyB18D,GAC/D,IAAMi/C,EAAM,IAAIR,eACVyb,EAAkBxsE,KAAK2rE,iBAE7B,IACE,GAAIa,EACF,IACEA,EAAgBjb,EAAKloD,GACrB,MAAOhH,GAEPkvD,EAAIC,KAAK,OAAQnoD,GAAK,GACtBmjE,EAAgBjb,EAAKloD,GAIpBkoD,EAAI5W,YACP4W,EAAIC,KAAK,OAAQnoD,GAAK,GAExB,MAAOhH,GAEP,MAAM,IAAIgJ,MAAJ,0CAAoDhJ,GAO5D,OAHAkvD,EAAI9rB,aAAe,cACnB8rB,EAAII,mBACA3xD,KAAKivE,kCAAkC3uE,KAAKN,KAAMuxD,EAAKloD,EAAK2lE,EAAY18D,GACrEi/C,G,EAUD0d,kCAAR,SAA2C1d,EAAqBloD,EAAa2lE,EAAyB18D,GACpG,OAAQi/C,EAAI5W,YACZ,KAAK,EACH,GAAmB,MAAf4W,EAAIE,OACNzxD,KAAKksE,4BAA8B,EACnC5pE,IAAOrB,IAAI,6BAEc,gBAArBswD,EAAI9rB,cACNnjC,IAAOpB,KAAK,iFAEdoR,EAASi/C,EAAI1sB,cACR,CAGL,GAFAviC,IAAOlB,MAAP,+BAA4CiI,EAA5C,cAA6DkoD,EAAIE,OAAjE,KAA4EF,EAAIW,WAAhF,KACAlyD,KAAKksE,8BACDlsE,KAAKksE,4BA5XoB,EAkY3B,YALAlsE,KAAK26B,IAAI5nB,QAAQC,IAAMzN,MAAO,CAC5BhE,KAAMsE,IAAW2oE,iBACjBt7D,QAASpN,IAAaopE,kCACtB97D,OAAO,IAKX,IAAM+7D,EArYuB,EAqYuBnvE,KAAKksE,4BAA8B,EACvF5pE,IAAOpB,KAAP,6BAAyCiuE,EAAzC,kBACAnvE,KAAKquE,gBAAgBW,EAAY18D,M,EAa/B88D,iCAAR,SAA0Cb,EAAiCS,GACzE,OAAQT,EAAaZ,sBAuBrB,KAAKlD,GAAWoC,SAEd,OAAOmC,EAGT,MAAM,IAAI3jE,MAAJ,2BAAqCkjE,EAAaZ,uB,EAQlDU,gBAAR,SAAyBW,EAAyB18D,GAChDhQ,IAAOrB,IAAI,6CAEX,IAAMstE,EAAevuE,KAAK+rE,eAAe,GACzC,IAAKwC,EAOH,OANAjsE,IAAOlB,MAAM,uFACbpB,KAAK26B,IAAI5nB,QAAQC,IAAMzN,MAAO,CAC5BhE,KAAMsE,IAAW2oE,iBACjBt7D,QAASpN,IAAa6oE,qBACtBv7D,OAAO,IAKX,IACE,IAAM/J,EAAMrJ,KAAK2sE,oBAAoB4B,EAAaZ,sBAC5Cpc,EAAMvxD,KAAK+uE,kBAAkB1lE,EAAK2lE,EAAY18D,GACpDhQ,IAAOrB,IAAP,mCAA8CoI,GAC9C,IAAMgmE,EAAYrvE,KAAKovE,iCAAiCb,EAAcS,GACtEzd,EAAIO,KAAKud,GACT,MAAOhtE,GACPC,IAAOlB,MAAP,mCAAgDiB,GAChDrC,KAAK26B,IAAI5nB,QAAQC,IAAMzN,MAAO,CAC5BhE,KAAMsE,IAAW2oE,iBACjBt7D,QAASpN,IAAaopE,kCACtB97D,OAAO,M,EAKbwpC,gBAAA,SAAiB91C,GACf,GAAK9G,KAAK4rE,YAAV,CAIA,IAAMzpC,EAAQr7B,EAAKq7B,MAGnBniC,KAAKgsE,OAAS7pC,EAEdA,EAAMhI,iBAAiB,YAAan6B,KAAKmsE,qB,EAG3CmD,gBAAA,WACMtvE,KAAKgsE,SACPhsE,KAAKgsE,OAAOt8B,oBAAoB,YAAa1vC,KAAKmsE,mBAClDnsE,KAAKgsE,OAAS,O,EAKlB7uB,iBAAA,SAAkBr2C,GAChB,GAAK9G,KAAK4rE,YAAV,CAIA,IAAMmB,EAAcjmE,EAAKq6B,OAAOrL,KAAI,SAACkH,GAAD,OAAWA,EAAMzX,cAC/CynD,EAAclmE,EAAKq6B,OAAOrL,KAAI,SAACkH,GAAD,OAAWA,EAAMvW,cAErDzmB,KAAK8sE,wBAAwBrC,GAAWoC,SAAUE,EAAaC,K,0DAvW/D,IAAKhtE,KAAK6rE,6BACR,MAAM,IAAIxgE,MAAM,sDAGlB,OAAOrL,KAAK6rE,kC,gCA9EYnxC,G,yHCqFrB,IAAM60C,G,uUAA8B,CAAH,CACtCtyB,eAAe,EACf9E,eAAgB,EAChB6H,uBAAmB,EACnBh/C,OAAO,EACP0uD,mBAAmB,EACnB1B,sBAAsB,EACtB/T,wBAAyB,EACzBJ,gBAAiB,GACjBD,cAAe,IACfx5B,cAAe,GAEfovD,wBAAyB,GACzB35B,yBAA0B,EAC1BO,YAAa,GACbD,cAAe,EACfzH,uBAAwB,IACxB8J,sBAAuB,EACvBiC,4BAA6Bv9B,IAC7Bq7B,sBAAkB,EAClBiC,4BAAwB,EACxByS,sBAAsB,EACtBN,qBAAsBzvC,IACtB48B,mBAAoB,IACpB7K,cAAc,EACd58B,mBAAmB,EACnBg0B,uBAAwB,IACxBD,wBAAyB,EACzBE,0BAA2B,IAC3BC,+BAAgC,KAChCyS,gBAAY,EACZxS,oBAAqB,IACrBC,qBAAsB,EACtBC,uBAAwB,IACxBC,4BAA6B,KAC7BoD,mBAAoB,IACpBwV,oBAAqB,EACrB9U,sBAAuB,IACvBT,2BAA4B,KAC5BwP,mBAAmB,EACnBqW,2BAA4B,IAC5BY,8BAA+B,GAC/BnD,oBAAqB,EACrBpwB,OAAQ8zB,GAERtnB,aAAS,EACT1E,aAAS,EACTisB,cAAU,EACVub,qBAAiB,EAEjBiD,cAAetpB,GACfupB,iBAAkBrmB,GAClBsmB,mBAAoB9hB,GACpB+hB,cAAepgB,GACfrvC,wBAAwB,EACxBqB,oBAAqB,EACrB2O,8BAA8B,EAC9Bw2B,gBAAiB,EACjBC,gBAAiB,EACjBC,eAAgB,EAChBC,eAAgB,EAChBC,uBAAwB,IACxBkC,mBAAoB,IACpBC,qBAAsB,GACtBvB,uBAAuB,EACvBwB,mBAAoB,EACpBC,gBAAiB,EACjBymB,eAAgB,EAChBpD,YAAY,EACZF,wBAAoB,EACpBG,gCAAiClB,IAYnC,WACM,EAKJ,MAAO,CACL1E,WAAYP,EACZa,sBAAsB,EACtBe,cAAc,EACdpB,wBAAyB,UACzBE,+BAAgC,KAChCC,wBAAyB,UACzBC,+BAAgC,MAtB/B2I,GAzEmC,CA0EtCC,yBAAgDrF,GAChDsF,wBAA+CxG,GAC/C7F,mBAA0C0C,GAC1C4J,sBAA6Czc,GAC7C0c,qBAA4C9d,GAC5C+d,cAAmC1E,K,qgBCxNhB2E,G,oBA4EnB,WAAaC,GAAqC,eAArCA,MAAiC,KAC5C,sBA3EKv+D,YA0E2C,IAxE1Cw+D,uBAwE0C,IAvE1Cb,mBAuE0C,IAtE1CE,wBAsE0C,IArE1CY,qBAqE0C,IApE1C5hB,sBAoE0C,IAnE1C6hB,wBAmE0C,IAlE1CN,0BAkE0C,IAjE1CF,6BAiE0C,IAhE1CG,mBAgE0C,IA/D1CM,oBA+D0C,IA9D1CtuC,MAAiC,KA8DS,EA7D1C94B,IAAqB,KAgE3B,IAAMqnE,EAAgBN,EAAIO,cAE1B,IAAKN,EAAW73B,uBAAyB63B,EAAW51B,+BAAiC41B,EAAW93B,kBAAoB83B,EAAW71B,wBAC7H,MAAM,IAAInvC,MAAM,qIAIlB,EAAKyG,O,uUAAL,IACK4+D,EACAL,GAZ2C,IAexCv+D,EAfwC,MAexCA,OAER,QAA2C,IAAvCA,EAAO2oC,6BAA0C3oC,EAAO2oC,6BAA+B3oC,EAAO0mC,sBAChG,MAAM,IAAIntC,MAAM,2FAGlB,QAAsC,IAAlCyG,EAAO0oC,8BAAkE,IAA5B1oC,EAAOymC,kBAA+BzmC,EAAO0oC,wBAA0B1oC,EAAOymC,kBAC7H,MAAM,IAAIltC,MAAM,iFAGlBrJ,YAAW8P,EAAO9Q,OAElB,EAAKsvE,mBAAqB,EAO1B,IAAMb,EAAgB,EAAKA,cAAgB,IAAI39D,EAAO29D,cAAX,OACrCC,EAAmB,IAAI59D,EAAO49D,iBAAX,OACnBC,EAAqB,EAAKA,mBAAqB,IAAI79D,EAAO69D,mBAAX,OAC/CC,EAAgB,IAAI99D,EAAO89D,cAAX,OAChBgB,EAAiB,IAAIxsC,EAAJ,OACjBysC,EAAiB,IAAIvnC,EAAJ,OACjBwnC,EAAY,IAAIzmC,EAAJ,OACZ0mC,EAAqB,IAAIttB,GAAJ,OAOrB8sB,EAAkB,EAAKA,gBAAkB,IAAIlwB,GAAJ,OAGzChM,EAAkB,IAAIxJ,EAAJ,OAOpB2lC,EAAqB,CAACD,EAFD,EAAK5hB,iBAAmB,IAAIlW,GAAJ,MAA2BpE,IAQxE28B,EAAal/D,EAAOm+D,sBACpBe,GACFR,EAAmBnoE,KAAK,IAAI2oE,EAAJ,MAAqB38B,IAM/C,EAAKm8B,mBAAqBA,EAK1B,IAAMC,EAAiB,CACrBG,EACAC,EACAC,EACArB,EACAC,EACAC,EACAC,EACAmB,EACA18B,GAKF,GADA28B,EAAal/D,EAAOo+D,qBACJ,CACd,IAAMA,EAAuB,IAAIc,EAAJ,OAK7B,EAAKd,qBAAuBA,EAC5BO,EAAepoE,KAAK6nE,GAItB,GADAc,EAAal/D,EAAOk+D,wBACJ,CACd,IAAMA,EAA0B,IAAIgB,EAAJ,OAKhC,EAAKhB,wBAA0BA,EAC/BQ,EAAmBnoE,KAAK2nE,GAI1B,GADAgB,EAAal/D,EAAOq+D,cACJ,CACd,IAAMA,EAAgB,IAAIa,EAAJ,OAKtB,EAAKb,cAAgBA,EACrBM,EAAepoE,KAAK8nE,GAxH0B,OA4HhDa,EAAal/D,EAAOi+D,2BAElBS,EAAmBnoE,KAAK,IAAI2oE,EAAJ,MAAqB38B,KAE/C28B,EAAal/D,EAAO6xD,qBAElB8M,EAAepoE,KAAK,IAAI2oE,EAAJ,QAMtB,EAAKP,eAAiBA,EAxI0B,E,yFAjD3CQ,YAAP,WACE,OCvDG,WACL,IAAMjnB,EAAcpb,IACpB,IAAKob,EACH,OAAO,EAET,IAAMM,EAAe//C,KAAK2mE,cAAiB3mE,KAAa4mE,mBAClDlxC,EAAkB+pB,GACiB,mBAAhCA,EAAY/pB,iBACnB+pB,EAAY/pB,gBAAgB,6CAIxBmxC,GAAwB9mB,GAC3BA,EAAa9pD,WACmC,mBAAxC8pD,EAAa9pD,UAAU2sD,cACW,mBAAlC7C,EAAa9pD,UAAUotD,OAClC,QAAS3tB,KAAqBmxC,EDuCrBH,I,yEAOP,OAAO1uE,M,iCAOP,OAAOsD,M,mCAOP,OAAOC,M,oCAOP,OAAKsqE,EAAIM,cAIFN,EAAIM,cAHFnB,I,aASemB,GACxBN,EAAIM,cAAgBA,M,2BAuJtBh/D,QAAA,WACEpP,IAAOrB,IAAI,WACXjB,KAAK+S,QAAQxQ,IAAUiD,YACvBxF,KAAKqxE,cACLrxE,KAAKywE,eAAev4D,OAAOlY,KAAKwwE,oBAAoBruE,SAAQ,SAAAmvE,GAC1DA,EAAU5/D,aAEZ1R,KAAKqJ,IAAM,KACXrJ,KAAK6kB,qBACL7kB,KAAKswE,mBAAqB,G,EAO5BiB,YAAA,SAAapvC,GACX7/B,IAAOrB,IAAI,eACXjB,KAAKmiC,MAAQA,EACbniC,KAAK+S,QAAQxQ,IAAUC,gBAAiB,CAAE2/B,MAAOA,K,EAMnDkvC,YAAA,WACE/uE,IAAOrB,IAAI,eACXjB,KAAK+S,QAAQxQ,IAAUG,iBACvB1C,KAAKmiC,MAAQ,M,EAOfqvC,WAAA,SAAYnoE,GACVA,EAAMuB,mBAA4BN,OAAOmnE,SAASC,KAAMroE,EAAK,CAAE6B,iBAAiB,IAChF5I,IAAOrB,IAAP,cAAyBoI,GACzBrJ,KAAKqJ,IAAMA,EAEXrJ,KAAK+S,QAAQxQ,IAAUa,iBAAkB,CAAEiG,IAAKA,K,EAUlDkuC,UAAA,SAAWY,QAA4B,IAA5BA,OAAyB,GAClC71C,IAAOrB,IAAP,aAAwBk3C,EAAxB,KACAn4C,KAAKwwE,mBAAmBruE,SAAQ,SAAAwvE,GAC9BA,EAAWp6B,UAAUY,O,EAOzBX,SAAA,WACEl1C,IAAOrB,IAAI,YACXjB,KAAKwwE,mBAAmBruE,SAAQ,SAAAwvE,GAC9BA,EAAWn6B,e,EAOfuI,eAAA,WACEz9C,IAAOrB,IAAI,kBACXjB,KAAK2uD,iBAAiB5O,kB,EASxB6xB,kBAAA,WACEtvE,IAAOrB,IAAI,qBACX,IAAIkhC,EAAQniC,KAAKmiC,MACjBniC,KAAKqxE,cACDlvC,GACFniC,KAAKuxE,YAAYpvC,I,mCASnB,OAAOniC,KAAKuwE,gBAAgBpvC,S,mCAQ5B,OAAOnhC,KAAK2uD,iBAAiB9Q,c,aASbgE,GAChBv/C,IAAOrB,IAAP,oBAA+B4gD,GAC/B7hD,KAAK8gD,UAAYe,EACjB7hD,KAAK2uD,iBAAiBhT,yB,gCAQtB,OAAO37C,KAAK2uD,iBAAiBpS,W,aAShBsF,GACbv/C,IAAOrB,IAAP,iBAA4B4gD,GAC5B7hD,KAAKuwE,gBAAgBsB,YAAchwB,EACnC7hD,KAAK2uD,iBAAiBxS,oB,gCAQtB,OAAOn8C,KAAKuwE,gBAAgBvzC,O,aASf6kB,GACbv/C,IAAOrB,IAAP,iBAA4B4gD,GAC5B7hD,KAAKuwE,gBAAgBsB,YAAchwB,I,oCAQnC,OAAO7hD,KAAKuwE,gBAAgBt3B,e,aAQXjc,GACjBh9B,KAAKuwE,gBAAgBt3B,cAAgBjc,I,iCASrC,OAAOz2B,KAAK0V,IAAIjc,KAAKuwE,gBAAgB9uB,WAAYzhD,KAAKgnD,e,aAOxCnF,GACdv/C,IAAOrB,IAAP,kBAA6B4gD,GAC7B7hD,KAAKuwE,gBAAgB9uB,WAAaI,I,iCAWlC,OAAO7hD,KAAKuwE,gBAAgBv3B,Y,aAUd6I,GACdv/C,IAAOrB,IAAP,kBAA6B4gD,IAEX,IAAdA,IACFA,EAAWt7C,KAAK0V,IAAI4lC,EAAU7hD,KAAKgnD,eAGrChnD,KAAKuwE,gBAAgBv3B,WAAa6I,I,yCAQViwB,GACxB,IAAMC,IAA4BD,EAE9BC,IAA4B/xE,KAAK8R,OAAOk8C,uBACtC+jB,EACF/xE,KAAK2vE,mBAAmBrhB,gBAExBtuD,KAAK2vE,mBAAmB1hB,cACxBjuD,KAAK8tD,kBAAoB,EACzB9tD,KAAK2uD,iBAAiBxS,mBAGxBn8C,KAAK8R,OAAOk8C,qBAAuB+jB,K,uCASrC,OAAO/xE,KAAKswE,mB,aAgBQzuB,GACpBv/C,IAAOrB,IAAP,wBAAmC4gD,GACnC7hD,KAAKswE,kBAAoBzuB,I,wCAVzB,IAAM+G,EAAc5oD,KAAKyvE,cAAcnpB,aACvC,OAAOsC,EAAcA,EAAYzD,cAAgB6sB,M,uCAiBjD,OAA8C,IAAtChyE,KAAKuwE,gBAAgBsB,c,kCAQ7B,OAAO7xE,KAAKuwE,gBAAgBsB,c,mCAW5B,IAJ0B,IAClB1wC,EAAuCnhC,KAAvCmhC,OAAkB0uC,EAAqB7vE,KAA/B8R,OAAU+9D,eACpB3lE,EAAMi3B,EAASA,EAAOn6B,OAAS,EAE5BU,EAAI,EAAGA,EAAIwC,EAAKxC,IAAK,CAK5B,IAJyBy5B,EAAOz5B,GAAG2/C,YAC/B9gD,KAAK0V,IAAIklB,EAAOz5B,GAAG2/C,YAAalmB,EAAOz5B,GAAGk6B,SAC1CT,EAAOz5B,GAAGk6B,SAESiuC,EACrB,OAAOnoE,EAIX,OAAO,I,mCAOmB,IAClBy5B,EAA6BnhC,KAA7BmhC,OAAQ2sB,EAAqB9tD,KAArB8tD,iBAShB,OAN0B,IAAtBA,GAA2B3sB,GAAUA,EAAOn6B,OAC/Bm6B,EAAOn6B,OAAS,EAEhB8mD,I,oCAYjB,OAAOvnD,KAAKgX,IAAIhX,KAAK0V,IAAIjc,KAAKyvE,cAAcntB,cAAetiD,KAAKgnD,cAAehnD,KAAKooD,e,aAWnE7L,GACjBv8C,KAAKyvE,cAAcntB,cAAgB/7C,KAAK0V,IAAIjc,KAAKgnD,aAAczK,K,kCAQ/D,IAAM2zB,EAAuBlwE,KAAKkwE,qBAClC,OAAOA,EAAuBA,EAAqBroC,YAAc,K,iCAQjE,IAAMqoC,EAAuBlwE,KAAKkwE,qBAClC,OAAOA,EAAuBA,EAAqBh1D,YAAc,G,aAOnD+2D,GACd,IAAM/B,EAAuBlwE,KAAKkwE,qBAC9BA,IACFA,EAAqBh1D,WAAa+2D,K,uCAQpC,OAAOjyE,KAAK2uD,iBAAiBjU,mB,qCAS7B,IAAMs1B,EAA0BhwE,KAAKgwE,wBACrC,OAAOA,EAA0BA,EAAwBhG,eAAiB,K,oCAQ1E,IAAMgG,EAA0BhwE,KAAKgwE,wBACrC,OAAOA,EAA0BA,EAAwBrG,eAAiB,G,aAOzDa,GACjB,IAAMwF,EAA0BhwE,KAAKgwE,wBACjCA,IACFA,EAAwBrG,cAAgBa,K,sCAQ1C,IAAMwF,EAA0BhwE,KAAKgwE,wBACrC,QAAOA,GAA0BA,EAAwB3H,iB,aAOtCjoE,GACnB,IAAM4vE,EAA0BhwE,KAAKgwE,wBACjCA,IACFA,EAAwB3H,gBAAkBjoE,O,GAjoBf0uC,GAAZshC,GACLM,mB","file":"hls.min.js","sourcesContent":["(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"Hls\"] = factory();\n\telse\n\t\troot[\"Hls\"] = factory();\n})(this, function() {\nreturn "," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId]) {\n \t\t\treturn installedModules[moduleId].exports;\n \t\t}\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\ti: moduleId,\n \t\t\tl: false,\n \t\t\texports: {}\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, { enumerable: true, get: getter });\n \t\t}\n \t};\n\n \t// define __esModule on exports\n \t__webpack_require__.r = function(exports) {\n \t\tif(typeof Symbol !== 'undefined' && Symbol.toStringTag) {\n \t\t\tObject.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });\n \t\t}\n \t\tObject.defineProperty(exports, '__esModule', { value: true });\n \t};\n\n \t// create a fake namespace object\n \t// mode & 1: value is a module id, require it\n \t// mode & 2: merge all properties of value into the ns\n \t// mode & 4: return value when already ns object\n \t// mode & 8|1: behave like require\n \t__webpack_require__.t = function(value, mode) {\n \t\tif(mode & 1) value = __webpack_require__(value);\n \t\tif(mode & 8) return value;\n \t\tif((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;\n \t\tvar ns = Object.create(null);\n \t\t__webpack_require__.r(ns);\n \t\tObject.defineProperty(ns, 'default', { enumerable: true, value: value });\n \t\tif(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));\n \t\treturn ns;\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"/dist/\";\n\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = 15);\n","import { getSelfScope } from './get-self-scope';\n\nfunction noop (...args) {}\n\nconst fakeLogger = {\n trace: noop,\n debug: noop,\n log: noop,\n warn: noop,\n info: noop,\n error: noop\n};\n\nlet exportedLogger = fakeLogger;\n\n// let lastCallTime;\n// function formatMsgWithTimeInfo(type, msg) {\n// const now = Date.now();\n// const diff = lastCallTime ? '+' + (now - lastCallTime) : '0';\n// lastCallTime = now;\n// msg = (new Date(now)).toISOString() + ' | [' + type + '] > ' + msg + ' ( ' + diff + ' ms )';\n// return msg;\n// }\n\nfunction formatMsg (type, msg) {\n msg = '[' + type + '] > ' + msg;\n return msg;\n}\n\nconst global = getSelfScope();\n\nfunction consolePrintFn (type) {\n const func = global.console[type];\n if (func) {\n return function (...args) {\n if (args[0]) {\n args[0] = formatMsg(type, args[0]);\n }\n\n func.apply(global.console, args);\n };\n }\n return noop;\n}\n\nfunction exportLoggerFunctions (debugConfig, ...functions) {\n functions.forEach(function (type) {\n exportedLogger[type] = debugConfig[type] ? debugConfig[type].bind(debugConfig) : consolePrintFn(type);\n });\n}\n\nexport const enableLogs = function (debugConfig) {\n // check that console is available\n if ((global.console && debugConfig === true) || typeof debugConfig === 'object') {\n exportLoggerFunctions(debugConfig,\n // Remove out from list here to hard-disable a log-level\n // 'trace',\n 'debug',\n 'log',\n 'info',\n 'warn',\n 'error'\n );\n // Some browsers don't allow to use bind on console object anyway\n // fallback to default if needed\n try {\n exportedLogger.log();\n } catch (e) {\n exportedLogger = fakeLogger;\n }\n } else {\n exportedLogger = fakeLogger;\n }\n};\n\nexport const logger = exportedLogger;\n","/**\n * @readonly\n * @enum {string}\n */\nconst HlsEvents = {\n // fired before MediaSource is attaching to media element - data: { media }\n MEDIA_ATTACHING: 'hlsMediaAttaching',\n // fired when MediaSource has been succesfully attached to media element - data: { }\n MEDIA_ATTACHED: 'hlsMediaAttached',\n // fired before detaching MediaSource from media element - data: { }\n MEDIA_DETACHING: 'hlsMediaDetaching',\n // fired when MediaSource has been detached from media element - data: { }\n MEDIA_DETACHED: 'hlsMediaDetached',\n // fired when we buffer is going to be reset - data: { }\n BUFFER_RESET: 'hlsBufferReset',\n // fired when we know about the codecs that we need buffers for to push into - data: {tracks : { container, codec, levelCodec, initSegment, metadata }}\n BUFFER_CODECS: 'hlsBufferCodecs',\n // fired when sourcebuffers have been created - data: { tracks : tracks }\n BUFFER_CREATED: 'hlsBufferCreated',\n // fired when we append a segment to the buffer - data: { segment: segment object }\n BUFFER_APPENDING: 'hlsBufferAppending',\n // fired when we are done with appending a media segment to the buffer - data : { parent : segment parent that triggered BUFFER_APPENDING, pending : nb of segments waiting for appending for this segment parent}\n BUFFER_APPENDED: 'hlsBufferAppended',\n // fired when the stream is finished and we want to notify the media buffer that there will be no more data - data: { }\n BUFFER_EOS: 'hlsBufferEos',\n // fired when the media buffer should be flushed - data { startOffset, endOffset }\n BUFFER_FLUSHING: 'hlsBufferFlushing',\n // fired when the media buffer has been flushed - data: { }\n BUFFER_FLUSHED: 'hlsBufferFlushed',\n // fired to signal that a manifest loading starts - data: { url : manifestURL}\n MANIFEST_LOADING: 'hlsManifestLoading',\n // fired after manifest has been loaded - data: { levels : [available quality levels], audioTracks : [ available audio tracks], url : manifestURL, stats : { trequest, tfirst, tload, mtime}}\n MANIFEST_LOADED: 'hlsManifestLoaded',\n // fired after manifest has been parsed - data: { levels : [available quality levels], firstLevel : index of first quality level appearing in Manifest}\n MANIFEST_PARSED: 'hlsManifestParsed',\n // fired when a level switch is requested - data: { level : id of new level }\n LEVEL_SWITCHING: 'hlsLevelSwitching',\n // fired when a level switch is effective - data: { level : id of new level }\n LEVEL_SWITCHED: 'hlsLevelSwitched',\n // fired when a level playlist loading starts - data: { url : level URL, level : id of level being loaded}\n LEVEL_LOADING: 'hlsLevelLoading',\n // fired when a level playlist loading finishes - data: { details : levelDetails object, level : id of loaded level, stats : { trequest, tfirst, tload, mtime} }\n LEVEL_LOADED: 'hlsLevelLoaded',\n // fired when a level's details have been updated based on previous details, after it has been loaded - data: { details : levelDetails object, level : id of updated level }\n LEVEL_UPDATED: 'hlsLevelUpdated',\n // fired when a level's PTS information has been updated after parsing a fragment - data: { details : levelDetails object, level : id of updated level, drift: PTS drift observed when parsing last fragment }\n LEVEL_PTS_UPDATED: 'hlsLevelPtsUpdated',\n // fired when the live back buffer is reached defined by the liveBackBufferLength config option - data : { bufferEnd: number }\n LIVE_BACK_BUFFER_REACHED: 'hlsLiveBackBufferReached',\n // fired to notify that audio track lists has been updated - data: { audioTracks : audioTracks }\n AUDIO_TRACKS_UPDATED: 'hlsAudioTracksUpdated',\n // fired when an audio track switching is requested - data: { id : audio track id }\n AUDIO_TRACK_SWITCHING: 'hlsAudioTrackSwitching',\n // fired when an audio track switch actually occurs - data: { id : audio track id }\n AUDIO_TRACK_SWITCHED: 'hlsAudioTrackSwitched',\n // fired when an audio track loading starts - data: { url : audio track URL, id : audio track id }\n AUDIO_TRACK_LOADING: 'hlsAudioTrackLoading',\n // fired when an audio track loading finishes - data: { details : levelDetails object, id : audio track id, stats : { trequest, tfirst, tload, mtime } }\n AUDIO_TRACK_LOADED: 'hlsAudioTrackLoaded',\n // fired to notify that subtitle track lists has been updated - data: { subtitleTracks : subtitleTracks }\n SUBTITLE_TRACKS_UPDATED: 'hlsSubtitleTracksUpdated',\n // fired when an subtitle track switch occurs - data: { id : subtitle track id }\n SUBTITLE_TRACK_SWITCH: 'hlsSubtitleTrackSwitch',\n // fired when a subtitle track loading starts - data: { url : subtitle track URL, id : subtitle track id }\n SUBTITLE_TRACK_LOADING: 'hlsSubtitleTrackLoading',\n // fired when a subtitle track loading finishes - data: { details : levelDetails object, id : subtitle track id, stats : { trequest, tfirst, tload, mtime } }\n SUBTITLE_TRACK_LOADED: 'hlsSubtitleTrackLoaded',\n // fired when a subtitle fragment has been processed - data: { success : boolean, frag : the processed frag }\n SUBTITLE_FRAG_PROCESSED: 'hlsSubtitleFragProcessed',\n // fired when the first timestamp is found - data: { id : demuxer id, initPTS: initPTS, frag : fragment object }\n INIT_PTS_FOUND: 'hlsInitPtsFound',\n // fired when a fragment loading starts - data: { frag : fragment object }\n FRAG_LOADING: 'hlsFragLoading',\n // fired when a fragment loading is progressing - data: { frag : fragment object, { trequest, tfirst, loaded } }\n FRAG_LOAD_PROGRESS: 'hlsFragLoadProgress',\n // Identifier for fragment load aborting for emergency switch down - data: { frag : fragment object }\n FRAG_LOAD_EMERGENCY_ABORTED: 'hlsFragLoadEmergencyAborted',\n // fired when a fragment loading is completed - data: { frag : fragment object, payload : fragment payload, stats : { trequest, tfirst, tload, length } }\n FRAG_LOADED: 'hlsFragLoaded',\n // fired when a fragment has finished decrypting - data: { id : demuxer id, frag: fragment object, payload : fragment payload, stats : { tstart, tdecrypt } }\n FRAG_DECRYPTED: 'hlsFragDecrypted',\n // fired when Init Segment has been extracted from fragment - data: { id : demuxer id, frag: fragment object, moov : moov MP4 box, codecs : codecs found while parsing fragment }\n FRAG_PARSING_INIT_SEGMENT: 'hlsFragParsingInitSegment',\n // fired when parsing sei text is completed - data: { id : demuxer id, frag: fragment object, samples : [ sei samples pes ] }\n FRAG_PARSING_USERDATA: 'hlsFragParsingUserdata',\n // fired when parsing id3 is completed - data: { id : demuxer id, frag: fragment object, samples : [ id3 samples pes ] }\n FRAG_PARSING_METADATA: 'hlsFragParsingMetadata',\n // fired when data have been extracted from fragment - data: { id : demuxer id, frag: fragment object, data1 : moof MP4 box or TS fragments, data2 : mdat MP4 box or null}\n FRAG_PARSING_DATA: 'hlsFragParsingData',\n // fired when fragment parsing is completed - data: { id : demuxer id, frag: fragment object }\n FRAG_PARSED: 'hlsFragParsed',\n // fired when fragment remuxed MP4 boxes have all been appended into SourceBuffer - data: { id : demuxer id, frag : fragment object, stats : { trequest, tfirst, tload, tparsed, tbuffered, length, bwEstimate } }\n FRAG_BUFFERED: 'hlsFragBuffered',\n // fired when fragment matching with current media position is changing - data : { id : demuxer id, frag : fragment object }\n FRAG_CHANGED: 'hlsFragChanged',\n // Identifier for a FPS drop event - data: { curentDropped, currentDecoded, totalDroppedFrames }\n FPS_DROP: 'hlsFpsDrop',\n // triggered when FPS drop triggers auto level capping - data: { level, droppedlevel }\n FPS_DROP_LEVEL_CAPPING: 'hlsFpsDropLevelCapping',\n // Identifier for an error event - data: { type : error type, details : error details, fatal : if true, hls.js cannot/will not try to recover, if false, hls.js will try to recover,other error specific data }\n ERROR: 'hlsError',\n // fired when hls.js instance starts destroying. Different from MEDIA_DETACHED as one could want to detach and reattach a media to the instance of hls.js to handle mid-rolls for example - data: { }\n DESTROYING: 'hlsDestroying',\n // fired when a decrypt key loading starts - data: { frag : fragment object }\n KEY_LOADING: 'hlsKeyLoading',\n // fired when a decrypt key loading is completed - data: { frag : fragment object, payload : key payload, stats : { trequest, tfirst, tload, length } }\n KEY_LOADED: 'hlsKeyLoaded',\n // fired upon stream controller state transitions - data: { previousState, nextState }\n STREAM_STATE_TRANSITION: 'hlsStreamStateTransition',\n // fired when the live back buffer is reached defined by the liveBackBufferLength config option - data : { bufferEnd: number }\n LIVE_BACK_BUFFER_REACHED: 'hlsLiveBackBufferReached',\n // fired when `seeked` event happens, not fired if current position is outside of the buffered range and config option `seekWithinTolerance` is true\n CAN_PLAY_AFTER_SEEK: 'hlsCanPlayAfterSeek',\n};\n\nexport default HlsEvents;\n","export enum ErrorTypes {\n // Identifier for a network error (loading error / timeout ...)\n NETWORK_ERROR = 'networkError',\n // Identifier for a media Error (video/parsing/mediasource error)\n MEDIA_ERROR = 'mediaError',\n // EME (encrypted media extensions) errors\n KEY_SYSTEM_ERROR = 'keySystemError',\n // Identifier for a mux Error (demuxing/remuxing)\n MUX_ERROR = 'muxError',\n // Identifier for all other errors\n OTHER_ERROR = 'otherError'\n}\n\n/**\n * @enum {ErrorDetails}\n * @typedef {string} ErrorDetail\n */\nexport enum ErrorDetails {\n KEY_SYSTEM_NO_KEYS = 'keySystemNoKeys',\n KEY_SYSTEM_NO_ACCESS = 'keySystemNoAccess',\n KEY_SYSTEM_NO_SESSION = 'keySystemNoSession',\n KEY_SYSTEM_LICENSE_REQUEST_FAILED = 'keySystemLicenseRequestFailed',\n KEY_SYSTEM_NO_INIT_DATA = 'keySystemNoInitData',\n // Identifier for a manifest load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n MANIFEST_LOAD_ERROR = 'manifestLoadError',\n // Identifier for a manifest load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n MANIFEST_LOAD_TIMEOUT = 'manifestLoadTimeOut',\n // Identifier for a manifest parsing error - data: { url : faulty URL, reason : error reason}\n MANIFEST_PARSING_ERROR = 'manifestParsingError',\n // Identifier for a manifest with only incompatible codecs error - data: { url : faulty URL, reason : error reason}\n MANIFEST_INCOMPATIBLE_CODECS_ERROR = 'manifestIncompatibleCodecsError',\n // Identifier for a level load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n LEVEL_LOAD_ERROR = 'levelLoadError',\n // Identifier for a level load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n LEVEL_LOAD_TIMEOUT = 'levelLoadTimeOut',\n // Identifier for a level switch error - data: { level : faulty level Id, event : error description}\n LEVEL_SWITCH_ERROR = 'levelSwitchError',\n // Identifier for an audio track load error - data: { url : faulty URL, response : { code: error code, text: error text }}\n AUDIO_TRACK_LOAD_ERROR = 'audioTrackLoadError',\n // Identifier for an audio track load timeout - data: { url : faulty URL, response : { code: error code, text: error text }}\n AUDIO_TRACK_LOAD_TIMEOUT = 'audioTrackLoadTimeOut',\n // Identifier for fragment load error - data: { frag : fragment object, response : { code: error code, text: error text }}\n FRAG_LOAD_ERROR = 'fragLoadError',\n // Identifier for fragment load timeout error - data: { frag : fragment object}\n FRAG_LOAD_TIMEOUT = 'fragLoadTimeOut',\n // Identifier for a fragment decryption error event - data: {id : demuxer Id,frag: fragment object, reason : parsing error description }\n FRAG_DECRYPT_ERROR = 'fragDecryptError',\n // Identifier for a fragment parsing error event - data: { id : demuxer Id, reason : parsing error description }\n // will be renamed DEMUX_PARSING_ERROR and switched to MUX_ERROR in the next major release\n FRAG_PARSING_ERROR = 'fragParsingError',\n // Identifier for a remux alloc error event - data: { id : demuxer Id, frag : fragment object, bytes : nb of bytes on which allocation failed , reason : error text }\n REMUX_ALLOC_ERROR = 'remuxAllocError',\n // Identifier for decrypt key load error - data: { frag : fragment object, response : { code: error code, text: error text }}\n KEY_LOAD_ERROR = 'keyLoadError',\n // Identifier for decrypt key load timeout error - data: { frag : fragment object}\n KEY_LOAD_TIMEOUT = 'keyLoadTimeOut',\n // Triggered when an exception occurs while adding a sourceBuffer to MediaSource - data : { err : exception , mimeType : mimeType }\n BUFFER_ADD_CODEC_ERROR = 'bufferAddCodecError',\n // Identifier for a buffer append error - data: append error description\n BUFFER_APPEND_ERROR = 'bufferAppendError',\n // Identifier for a buffer appending error event - data: appending error description\n BUFFER_APPENDING_ERROR = 'bufferAppendingError',\n // Identifier for a buffer stalled error event\n BUFFER_STALLED_ERROR = 'bufferStalledError',\n // Identifier for a buffer full event\n BUFFER_FULL_ERROR = 'bufferFullError',\n // Identifier for a buffer seek over hole event\n BUFFER_SEEK_OVER_HOLE = 'bufferSeekOverHole',\n // Identifier for a buffer nudge on stall (playback is stuck although currentTime is in a buffered area)\n BUFFER_NUDGE_ON_STALL = 'bufferNudgeOnStall',\n // Identifier for an internal exception happening inside hls.js while handling an event\n INTERNAL_EXCEPTION = 'internalException'\n}\n","export const isFiniteNumber = Number.isFinite || function (value) {\n return typeof value === 'number' && isFinite(value);\n};\n","const MPEG_TS_CLOCK_FREQ_HZ = 90000;\n\nexport function toTimescaleFromScale (value, destScale: number, srcScale: number = 1, round: boolean = false): number {\n return toTimescaleFromBase(value, destScale, 1 / srcScale);\n}\n\nexport function toTimescaleFromBase (value, destScale: number, srcBase: number = 1, round: boolean = false): number {\n const result = value * destScale * srcBase; // equivalent to `(value * scale) / (1 / base)`\n return round ? Math.round(result) : result;\n}\n\nexport function toMsFromMpegTsClock (value: number, round: boolean = false): number {\n return toTimescaleFromBase(value, 1000, 1 / MPEG_TS_CLOCK_FREQ_HZ, round);\n}\n\nexport function toMpegTsClockFromTimescale (value: number, srcScale: number = 1): number {\n return toTimescaleFromBase(value, MPEG_TS_CLOCK_FREQ_HZ, 1 / srcScale);\n}\n","import { getSelfScope } from '../utils/get-self-scope';\n\n/**\n * ID3 parser\n */\nclass ID3 {\n /**\n * Returns true if an ID3 header can be found at offset in data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {boolean} - True if an ID3 header is found\n */\n static isHeader (data, offset) {\n /*\n * http://id3.org/id3v2.3.0\n * [0] = 'I'\n * [1] = 'D'\n * [2] = '3'\n * [3,4] = {Version}\n * [5] = {Flags}\n * [6-9] = {ID3 Size}\n *\n * An ID3v2 tag can be detected with the following pattern:\n * $49 44 33 yy yy xx zz zz zz zz\n * Where yy is less than $FF, xx is the 'flags' byte and zz is less than $80\n */\n if (offset + 10 <= data.length) {\n // look for 'ID3' identifier\n if (data[offset] === 0x49 && data[offset + 1] === 0x44 && data[offset + 2] === 0x33) {\n // check version is within range\n if (data[offset + 3] < 0xFF && data[offset + 4] < 0xFF) {\n // check size is within range\n if (data[offset + 6] < 0x80 && data[offset + 7] < 0x80 && data[offset + 8] < 0x80 && data[offset + 9] < 0x80) {\n return true;\n }\n }\n }\n }\n\n return false;\n }\n\n /**\n * Returns true if an ID3 footer can be found at offset in data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {boolean} - True if an ID3 footer is found\n */\n static isFooter (data, offset) {\n /*\n * The footer is a copy of the header, but with a different identifier\n */\n if (offset + 10 <= data.length) {\n // look for '3DI' identifier\n if (data[offset] === 0x33 && data[offset + 1] === 0x44 && data[offset + 2] === 0x49) {\n // check version is within range\n if (data[offset + 3] < 0xFF && data[offset + 4] < 0xFF) {\n // check size is within range\n if (data[offset + 6] < 0x80 && data[offset + 7] < 0x80 && data[offset + 8] < 0x80 && data[offset + 9] < 0x80) {\n return true;\n }\n }\n }\n }\n\n return false;\n }\n\n /**\n * Returns any adjacent ID3 tags found in data starting at offset, as one block of data\n * @param {Uint8Array} data - The data to search in\n * @param {number} offset - The offset at which to start searching\n * @return {Uint8Array} - The block of data containing any ID3 tags found\n */\n static getID3Data (data, offset) {\n const front = offset;\n let length = 0;\n\n while (ID3.isHeader(data, offset)) {\n // ID3 header is 10 bytes\n length += 10;\n\n const size = ID3._readSize(data, offset + 6);\n length += size;\n\n if (ID3.isFooter(data, offset + 10)) {\n // ID3 footer is 10 bytes\n length += 10;\n }\n\n offset += length;\n }\n\n if (length > 0) {\n return data.subarray(front, front + length);\n }\n\n return undefined;\n }\n\n static _readSize (data, offset) {\n let size = 0;\n size = ((data[offset] & 0x7f) << 21);\n size |= ((data[offset + 1] & 0x7f) << 14);\n size |= ((data[offset + 2] & 0x7f) << 7);\n size |= (data[offset + 3] & 0x7f);\n return size;\n }\n\n /**\n * Searches for the Elementary Stream timestamp found in the ID3 data chunk\n * @param {Uint8Array} data - Block of data containing one or more ID3 tags\n * @return {number} - The timestamp\n */\n static getTimeStamp (data) {\n const frames = ID3.getID3Frames(data);\n for (let i = 0; i < frames.length; i++) {\n const frame = frames[i];\n if (ID3.isTimeStampFrame(frame)) {\n return ID3._readTimeStamp(frame);\n }\n }\n\n return undefined;\n }\n\n /**\n * Returns true if the ID3 frame is an Elementary Stream timestamp frame\n * @param {ID3 frame} frame\n */\n static isTimeStampFrame (frame) {\n return (frame && frame.key === 'PRIV' && frame.info === 'com.apple.streaming.transportStreamTimestamp');\n }\n\n static _getFrameData (data) {\n /*\n Frame ID $xx xx xx xx (four characters)\n Size $xx xx xx xx\n Flags $xx xx\n */\n const type = String.fromCharCode(data[0], data[1], data[2], data[3]);\n const size = ID3._readSize(data, 4);\n\n // skip frame id, size, and flags\n let offset = 10;\n\n return { type, size, data: data.subarray(offset, offset + size) };\n }\n\n /**\n * Returns an array of ID3 frames found in all the ID3 tags in the id3Data\n * @param {Uint8Array} id3Data - The ID3 data containing one or more ID3 tags\n * @return {ID3 frame[]} - Array of ID3 frame objects\n */\n static getID3Frames (id3Data) {\n let offset = 0;\n const frames = [];\n\n while (ID3.isHeader(id3Data, offset)) {\n const size = ID3._readSize(id3Data, offset + 6);\n // skip past ID3 header\n offset += 10;\n const end = offset + size;\n // loop through frames in the ID3 tag\n while (offset + 8 < end) {\n const frameData = ID3._getFrameData(id3Data.subarray(offset));\n const frame = ID3._decodeFrame(frameData);\n if (frame) {\n frames.push(frame);\n }\n\n // skip frame header and frame data\n offset += frameData.size + 10;\n }\n\n if (ID3.isFooter(id3Data, offset)) {\n offset += 10;\n }\n }\n\n return frames;\n }\n\n static _decodeFrame (frame) {\n if (frame.type === 'PRIV') {\n return ID3._decodePrivFrame(frame);\n } else if (frame.type[0] === 'T') {\n return ID3._decodeTextFrame(frame);\n } else if (frame.type[0] === 'W') {\n return ID3._decodeURLFrame(frame);\n }\n\n return undefined;\n }\n\n static _readTimeStamp (timeStampFrame) {\n if (timeStampFrame.data.byteLength === 8) {\n const data = new Uint8Array(timeStampFrame.data);\n // timestamp is 33 bit expressed as a big-endian eight-octet number,\n // with the upper 31 bits set to zero.\n const pts33Bit = data[3] & 0x1;\n let timestamp = (data[4] << 23) +\n (data[5] << 15) +\n (data[6] << 7) +\n data[7];\n timestamp /= 45;\n\n if (pts33Bit) {\n timestamp += 47721858.84;\n } // 2^32 / 90\n\n return Math.round(timestamp);\n }\n\n return undefined;\n }\n\n static _decodePrivFrame (frame) {\n /*\n Format: <text string>\\0<binary data>\n */\n if (frame.size < 2) {\n return undefined;\n }\n\n const owner = ID3._utf8ArrayToStr(frame.data, true);\n const privateData = new Uint8Array(frame.data.subarray(owner.length + 1));\n\n return { key: frame.type, info: owner, data: privateData.buffer };\n }\n\n static _decodeTextFrame (frame) {\n if (frame.size < 2) {\n return undefined;\n }\n\n if (frame.type === 'TXXX') {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Description}\\0{Value}\n */\n let index = 1;\n const description = ID3._utf8ArrayToStr(frame.data.subarray(index), true);\n\n index += description.length + 1;\n const value = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n return { key: frame.type, info: description, data: value };\n } else {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Value}\n */\n const text = ID3._utf8ArrayToStr(frame.data.subarray(1));\n return { key: frame.type, data: text };\n }\n }\n\n static _decodeURLFrame (frame) {\n if (frame.type === 'WXXX') {\n /*\n Format:\n [0] = {Text Encoding}\n [1-?] = {Description}\\0{URL}\n */\n if (frame.size < 2) {\n return undefined;\n }\n\n let index = 1;\n const description = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n index += description.length + 1;\n const value = ID3._utf8ArrayToStr(frame.data.subarray(index));\n\n return { key: frame.type, info: description, data: value };\n } else {\n /*\n Format:\n [0-?] = {URL}\n */\n const url = ID3._utf8ArrayToStr(frame.data);\n return { key: frame.type, data: url };\n }\n }\n\n // http://stackoverflow.com/questions/8936984/uint8array-to-string-in-javascript/22373197\n // http://www.onicos.com/staff/iz/amuse/javascript/expert/utf.txt\n /* utf.js - UTF-8 <=> UTF-16 convertion\n *\n * Copyright (C) 1999 Masanao Izumo <iz@onicos.co.jp>\n * Version: 1.0\n * LastModified: Dec 25 1999\n * This library is free. You can redistribute it and/or modify it.\n */\n static _utf8ArrayToStr (array, exitOnNull = false) {\n const decoder = getTextDecoder();\n if (decoder) {\n const decoded = decoder.decode(array);\n\n if (exitOnNull) {\n // grab up to the first null\n const idx = decoded.indexOf('\\0');\n return idx !== -1 ? decoded.substring(0, idx) : decoded;\n }\n\n // remove any null characters\n return decoded.replace(/\\0/g, '');\n }\n\n const len = array.length;\n let c;\n let char2;\n let char3;\n let out = '';\n let i = 0;\n while (i < len) {\n c = array[i++];\n if (c === 0x00 && exitOnNull) {\n return out;\n } else if (c === 0x00 || c === 0x03) {\n // If the character is 3 (END_OF_TEXT) or 0 (NULL) then skip it\n continue;\n }\n switch (c >> 4) {\n case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:\n // 0xxxxxxx\n out += String.fromCharCode(c);\n break;\n case 12: case 13:\n // 110x xxxx 10xx xxxx\n char2 = array[i++];\n out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F));\n break;\n case 14:\n // 1110 xxxx 10xx xxxx 10xx xxxx\n char2 = array[i++];\n char3 = array[i++];\n out += String.fromCharCode(((c & 0x0F) << 12) |\n ((char2 & 0x3F) << 6) |\n ((char3 & 0x3F) << 0));\n break;\n default:\n }\n }\n return out;\n }\n}\n\nlet decoder;\n\nfunction getTextDecoder () {\n const global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n if (!decoder && typeof global.TextDecoder !== 'undefined') {\n decoder = new global.TextDecoder('utf-8');\n }\n\n return decoder;\n}\n\nconst utf8ArrayToStr = ID3._utf8ArrayToStr;\n\nexport default ID3;\n\nexport { utf8ArrayToStr };\n","export function getSelfScope () {\n // see https://stackoverflow.com/a/11237259/589493\n if (typeof window === 'undefined') {\n /* eslint-disable-next-line no-undef */\n return self;\n } else {\n return window;\n }\n}\n","// see https://tools.ietf.org/html/rfc1808\n\n/* jshint ignore:start */\n(function(root) { \n/* jshint ignore:end */\n\n var URL_REGEX = /^((?:[a-zA-Z0-9+\\-.]+:)?)(\\/\\/[^\\/?#]*)?((?:[^\\/\\?#]*\\/)*.*?)??(;.*?)?(\\?.*?)?(#.*?)?$/;\n var FIRST_SEGMENT_REGEX = /^([^\\/?#]*)(.*)$/;\n var SLASH_DOT_REGEX = /(?:\\/|^)\\.(?=\\/)/g;\n var SLASH_DOT_DOT_REGEX = /(?:\\/|^)\\.\\.\\/(?!\\.\\.\\/).*?(?=\\/)/g;\n\n var URLToolkit = { // jshint ignore:line\n // If opts.alwaysNormalize is true then the path will always be normalized even when it starts with / or //\n // E.g\n // With opts.alwaysNormalize = false (default, spec compliant)\n // http://a.com/b/cd + /e/f/../g => http://a.com/e/f/../g\n // With opts.alwaysNormalize = true (not spec compliant)\n // http://a.com/b/cd + /e/f/../g => http://a.com/e/g\n buildAbsoluteURL: function(baseURL, relativeURL, opts) {\n opts = opts || {};\n // remove any remaining space and CRLF\n baseURL = baseURL.trim();\n relativeURL = relativeURL.trim();\n if (!relativeURL) {\n // 2a) If the embedded URL is entirely empty, it inherits the\n // entire base URL (i.e., is set equal to the base URL)\n // and we are done.\n if (!opts.alwaysNormalize) {\n return baseURL;\n }\n var basePartsForNormalise = URLToolkit.parseURL(baseURL);\n if (!basePartsForNormalise) {\n throw new Error('Error trying to parse base URL.');\n }\n basePartsForNormalise.path = URLToolkit.normalizePath(basePartsForNormalise.path);\n return URLToolkit.buildURLFromParts(basePartsForNormalise);\n }\n var relativeParts = URLToolkit.parseURL(relativeURL);\n if (!relativeParts) {\n throw new Error('Error trying to parse relative URL.');\n }\n if (relativeParts.scheme) {\n // 2b) If the embedded URL starts with a scheme name, it is\n // interpreted as an absolute URL and we are done.\n if (!opts.alwaysNormalize) {\n return relativeURL;\n }\n relativeParts.path = URLToolkit.normalizePath(relativeParts.path);\n return URLToolkit.buildURLFromParts(relativeParts);\n }\n var baseParts = URLToolkit.parseURL(baseURL);\n if (!baseParts) {\n throw new Error('Error trying to parse base URL.');\n }\n if (!baseParts.netLoc && baseParts.path && baseParts.path[0] !== '/') {\n // If netLoc missing and path doesn't start with '/', assume everthing before the first '/' is the netLoc\n // This causes 'example.com/a' to be handled as '//example.com/a' instead of '/example.com/a'\n var pathParts = FIRST_SEGMENT_REGEX.exec(baseParts.path);\n baseParts.netLoc = pathParts[1];\n baseParts.path = pathParts[2];\n }\n if (baseParts.netLoc && !baseParts.path) {\n baseParts.path = '/';\n }\n var builtParts = {\n // 2c) Otherwise, the embedded URL inherits the scheme of\n // the base URL.\n scheme: baseParts.scheme,\n netLoc: relativeParts.netLoc,\n path: null,\n params: relativeParts.params,\n query: relativeParts.query,\n fragment: relativeParts.fragment\n };\n if (!relativeParts.netLoc) {\n // 3) If the embedded URL's <net_loc> is non-empty, we skip to\n // Step 7. Otherwise, the embedded URL inherits the <net_loc>\n // (if any) of the base URL.\n builtParts.netLoc = baseParts.netLoc;\n // 4) If the embedded URL path is preceded by a slash \"/\", the\n // path is not relative and we skip to Step 7.\n if (relativeParts.path[0] !== '/') {\n if (!relativeParts.path) {\n // 5) If the embedded URL path is empty (and not preceded by a\n // slash), then the embedded URL inherits the base URL path\n builtParts.path = baseParts.path;\n // 5a) if the embedded URL's <params> is non-empty, we skip to\n // step 7; otherwise, it inherits the <params> of the base\n // URL (if any) and\n if (!relativeParts.params) {\n builtParts.params = baseParts.params;\n // 5b) if the embedded URL's <query> is non-empty, we skip to\n // step 7; otherwise, it inherits the <query> of the base\n // URL (if any) and we skip to step 7.\n if (!relativeParts.query) {\n builtParts.query = baseParts.query;\n }\n }\n } else {\n // 6) The last segment of the base URL's path (anything\n // following the rightmost slash \"/\", or the entire path if no\n // slash is present) is removed and the embedded URL's path is\n // appended in its place.\n var baseURLPath = baseParts.path;\n var newPath = baseURLPath.substring(0, baseURLPath.lastIndexOf('/') + 1) + relativeParts.path;\n builtParts.path = URLToolkit.normalizePath(newPath);\n }\n }\n }\n if (builtParts.path === null) {\n builtParts.path = opts.alwaysNormalize ? URLToolkit.normalizePath(relativeParts.path) : relativeParts.path;\n }\n return URLToolkit.buildURLFromParts(builtParts);\n },\n parseURL: function(url) {\n var parts = URL_REGEX.exec(url);\n if (!parts) {\n return null;\n }\n return {\n scheme: parts[1] || '',\n netLoc: parts[2] || '',\n path: parts[3] || '',\n params: parts[4] || '',\n query: parts[5] || '',\n fragment: parts[6] || ''\n };\n },\n normalizePath: function(path) {\n // The following operations are\n // then applied, in order, to the new path:\n // 6a) All occurrences of \"./\", where \".\" is a complete path\n // segment, are removed.\n // 6b) If the path ends with \".\" as a complete path segment,\n // that \".\" is removed.\n path = path.split('').reverse().join('').replace(SLASH_DOT_REGEX, '');\n // 6c) All occurrences of \"<segment>/../\", where <segment> is a\n // complete path segment not equal to \"..\", are removed.\n // Removal of these path segments is performed iteratively,\n // removing the leftmost matching pattern on each iteration,\n // until no matching pattern remains.\n // 6d) If the path ends with \"<segment>/..\", where <segment> is a\n // complete path segment not equal to \"..\", that\n // \"<segment>/..\" is removed.\n while (path.length !== (path = path.replace(SLASH_DOT_DOT_REGEX, '')).length) {} // jshint ignore:line\n return path.split('').reverse().join('');\n },\n buildURLFromParts: function(parts) {\n return parts.scheme + parts.netLoc + parts.path + parts.params + parts.query + parts.fragment;\n }\n };\n\n/* jshint ignore:start */\n if(typeof exports === 'object' && typeof module === 'object')\n module.exports = URLToolkit;\n else if(typeof define === 'function' && define.amd)\n define([], function() { return URLToolkit; });\n else if(typeof exports === 'object')\n exports[\"URLToolkit\"] = URLToolkit;\n else\n root[\"URLToolkit\"] = URLToolkit;\n})(this);\n/* jshint ignore:end */\n","export default class AESCrypto {\n constructor (subtle, iv) {\n this.subtle = subtle;\n this.aesIV = iv;\n }\n\n decrypt (data, key) {\n return this.subtle.decrypt({ name: 'AES-CBC', iv: this.aesIV }, key, data);\n }\n}\n","class FastAESKey {\n constructor (subtle, key) {\n this.subtle = subtle;\n this.key = key;\n }\n\n expandKey () {\n return this.subtle.importKey('raw', this.key, { name: 'AES-CBC' }, false, ['encrypt', 'decrypt']);\n }\n}\n\nexport default FastAESKey;\n","// PKCS7\nexport function removePadding (buffer) {\n const outputBytes = buffer.byteLength;\n const paddingBytes = outputBytes && (new DataView(buffer)).getUint8(outputBytes - 1);\n if (paddingBytes) {\n return buffer.slice(0, outputBytes - paddingBytes);\n } else {\n return buffer;\n }\n}\n\nclass AESDecryptor {\n constructor () {\n // Static after running initTable\n this.rcon = [0x0, 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36];\n this.subMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)];\n this.invSubMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)];\n this.sBox = new Uint32Array(256);\n this.invSBox = new Uint32Array(256);\n\n // Changes during runtime\n this.key = new Uint32Array(0);\n\n this.initTable();\n }\n\n // Using view.getUint32() also swaps the byte order.\n uint8ArrayToUint32Array_ (arrayBuffer) {\n let view = new DataView(arrayBuffer);\n let newArray = new Uint32Array(4);\n for (let i = 0; i < 4; i++) {\n newArray[i] = view.getUint32(i * 4);\n }\n\n return newArray;\n }\n\n initTable () {\n let sBox = this.sBox;\n let invSBox = this.invSBox;\n let subMix = this.subMix;\n let subMix0 = subMix[0];\n let subMix1 = subMix[1];\n let subMix2 = subMix[2];\n let subMix3 = subMix[3];\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let d = new Uint32Array(256);\n let x = 0;\n let xi = 0;\n let i = 0;\n for (i = 0; i < 256; i++) {\n if (i < 128) {\n d[i] = i << 1;\n } else {\n d[i] = (i << 1) ^ 0x11b;\n }\n }\n\n for (i = 0; i < 256; i++) {\n let sx = xi ^ (xi << 1) ^ (xi << 2) ^ (xi << 3) ^ (xi << 4);\n sx = (sx >>> 8) ^ (sx & 0xff) ^ 0x63;\n sBox[x] = sx;\n invSBox[sx] = x;\n\n // Compute multiplication\n let x2 = d[x];\n let x4 = d[x2];\n let x8 = d[x4];\n\n // Compute sub/invSub bytes, mix columns tables\n let t = (d[sx] * 0x101) ^ (sx * 0x1010100);\n subMix0[x] = (t << 24) | (t >>> 8);\n subMix1[x] = (t << 16) | (t >>> 16);\n subMix2[x] = (t << 8) | (t >>> 24);\n subMix3[x] = t;\n\n // Compute inv sub bytes, inv mix columns tables\n t = (x8 * 0x1010101) ^ (x4 * 0x10001) ^ (x2 * 0x101) ^ (x * 0x1010100);\n invSubMix0[sx] = (t << 24) | (t >>> 8);\n invSubMix1[sx] = (t << 16) | (t >>> 16);\n invSubMix2[sx] = (t << 8) | (t >>> 24);\n invSubMix3[sx] = t;\n\n // Compute next counter\n if (!x) {\n x = xi = 1;\n } else {\n x = x2 ^ d[d[d[x8 ^ x2]]];\n xi ^= d[d[xi]];\n }\n }\n }\n\n expandKey (keyBuffer) {\n // convert keyBuffer to Uint32Array\n let key = this.uint8ArrayToUint32Array_(keyBuffer);\n let sameKey = true;\n let offset = 0;\n\n while (offset < key.length && sameKey) {\n sameKey = (key[offset] === this.key[offset]);\n offset++;\n }\n\n if (sameKey) {\n return;\n }\n\n this.key = key;\n let keySize = this.keySize = key.length;\n\n if (keySize !== 4 && keySize !== 6 && keySize !== 8) {\n throw new Error('Invalid aes key size=' + keySize);\n }\n\n let ksRows = this.ksRows = (keySize + 6 + 1) * 4;\n let ksRow;\n let invKsRow;\n\n let keySchedule = this.keySchedule = new Uint32Array(ksRows);\n let invKeySchedule = this.invKeySchedule = new Uint32Array(ksRows);\n let sbox = this.sBox;\n let rcon = this.rcon;\n\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let prev;\n let t;\n\n for (ksRow = 0; ksRow < ksRows; ksRow++) {\n if (ksRow < keySize) {\n prev = keySchedule[ksRow] = key[ksRow];\n continue;\n }\n t = prev;\n\n if (ksRow % keySize === 0) {\n // Rot word\n t = (t << 8) | (t >>> 24);\n\n // Sub word\n t = (sbox[t >>> 24] << 24) | (sbox[(t >>> 16) & 0xff] << 16) | (sbox[(t >>> 8) & 0xff] << 8) | sbox[t & 0xff];\n\n // Mix Rcon\n t ^= rcon[(ksRow / keySize) | 0] << 24;\n } else if (keySize > 6 && ksRow % keySize === 4) {\n // Sub word\n t = (sbox[t >>> 24] << 24) | (sbox[(t >>> 16) & 0xff] << 16) | (sbox[(t >>> 8) & 0xff] << 8) | sbox[t & 0xff];\n }\n\n keySchedule[ksRow] = prev = (keySchedule[ksRow - keySize] ^ t) >>> 0;\n }\n\n for (invKsRow = 0; invKsRow < ksRows; invKsRow++) {\n ksRow = ksRows - invKsRow;\n if (invKsRow & 3) {\n t = keySchedule[ksRow];\n } else {\n t = keySchedule[ksRow - 4];\n }\n\n if (invKsRow < 4 || ksRow <= 4) {\n invKeySchedule[invKsRow] = t;\n } else {\n invKeySchedule[invKsRow] = invSubMix0[sbox[t >>> 24]] ^ invSubMix1[sbox[(t >>> 16) & 0xff]] ^ invSubMix2[sbox[(t >>> 8) & 0xff]] ^ invSubMix3[sbox[t & 0xff]];\n }\n\n invKeySchedule[invKsRow] = invKeySchedule[invKsRow] >>> 0;\n }\n }\n\n // Adding this as a method greatly improves performance.\n networkToHostOrderSwap (word) {\n return (word << 24) | ((word & 0xff00) << 8) | ((word & 0xff0000) >> 8) | (word >>> 24);\n }\n\n decrypt (inputArrayBuffer, offset, aesIV, removePKCS7Padding) {\n let nRounds = this.keySize + 6;\n let invKeySchedule = this.invKeySchedule;\n let invSBOX = this.invSBox;\n\n let invSubMix = this.invSubMix;\n let invSubMix0 = invSubMix[0];\n let invSubMix1 = invSubMix[1];\n let invSubMix2 = invSubMix[2];\n let invSubMix3 = invSubMix[3];\n\n let initVector = this.uint8ArrayToUint32Array_(aesIV);\n let initVector0 = initVector[0];\n let initVector1 = initVector[1];\n let initVector2 = initVector[2];\n let initVector3 = initVector[3];\n\n let inputInt32 = new Int32Array(inputArrayBuffer);\n let outputInt32 = new Int32Array(inputInt32.length);\n\n let t0, t1, t2, t3;\n let s0, s1, s2, s3;\n let inputWords0, inputWords1, inputWords2, inputWords3;\n\n let ksRow, i;\n let swapWord = this.networkToHostOrderSwap;\n\n while (offset < inputInt32.length) {\n inputWords0 = swapWord(inputInt32[offset]);\n inputWords1 = swapWord(inputInt32[offset + 1]);\n inputWords2 = swapWord(inputInt32[offset + 2]);\n inputWords3 = swapWord(inputInt32[offset + 3]);\n\n s0 = inputWords0 ^ invKeySchedule[0];\n s1 = inputWords3 ^ invKeySchedule[1];\n s2 = inputWords2 ^ invKeySchedule[2];\n s3 = inputWords1 ^ invKeySchedule[3];\n\n ksRow = 4;\n\n // Iterate through the rounds of decryption\n for (i = 1; i < nRounds; i++) {\n t0 = invSubMix0[s0 >>> 24] ^ invSubMix1[(s1 >> 16) & 0xff] ^ invSubMix2[(s2 >> 8) & 0xff] ^ invSubMix3[s3 & 0xff] ^ invKeySchedule[ksRow];\n t1 = invSubMix0[s1 >>> 24] ^ invSubMix1[(s2 >> 16) & 0xff] ^ invSubMix2[(s3 >> 8) & 0xff] ^ invSubMix3[s0 & 0xff] ^ invKeySchedule[ksRow + 1];\n t2 = invSubMix0[s2 >>> 24] ^ invSubMix1[(s3 >> 16) & 0xff] ^ invSubMix2[(s0 >> 8) & 0xff] ^ invSubMix3[s1 & 0xff] ^ invKeySchedule[ksRow + 2];\n t3 = invSubMix0[s3 >>> 24] ^ invSubMix1[(s0 >> 16) & 0xff] ^ invSubMix2[(s1 >> 8) & 0xff] ^ invSubMix3[s2 & 0xff] ^ invKeySchedule[ksRow + 3];\n // Update state\n s0 = t0;\n s1 = t1;\n s2 = t2;\n s3 = t3;\n\n ksRow = ksRow + 4;\n }\n\n // Shift rows, sub bytes, add round key\n t0 = ((invSBOX[s0 >>> 24] << 24) ^ (invSBOX[(s1 >> 16) & 0xff] << 16) ^ (invSBOX[(s2 >> 8) & 0xff] << 8) ^ invSBOX[s3 & 0xff]) ^ invKeySchedule[ksRow];\n t1 = ((invSBOX[s1 >>> 24] << 24) ^ (invSBOX[(s2 >> 16) & 0xff] << 16) ^ (invSBOX[(s3 >> 8) & 0xff] << 8) ^ invSBOX[s0 & 0xff]) ^ invKeySchedule[ksRow + 1];\n t2 = ((invSBOX[s2 >>> 24] << 24) ^ (invSBOX[(s3 >> 16) & 0xff] << 16) ^ (invSBOX[(s0 >> 8) & 0xff] << 8) ^ invSBOX[s1 & 0xff]) ^ invKeySchedule[ksRow + 2];\n t3 = ((invSBOX[s3 >>> 24] << 24) ^ (invSBOX[(s0 >> 16) & 0xff] << 16) ^ (invSBOX[(s1 >> 8) & 0xff] << 8) ^ invSBOX[s2 & 0xff]) ^ invKeySchedule[ksRow + 3];\n ksRow = ksRow + 3;\n\n // Write\n outputInt32[offset] = swapWord(t0 ^ initVector0);\n outputInt32[offset + 1] = swapWord(t3 ^ initVector1);\n outputInt32[offset + 2] = swapWord(t2 ^ initVector2);\n outputInt32[offset + 3] = swapWord(t1 ^ initVector3);\n\n // reset initVector to last 4 unsigned int\n initVector0 = inputWords0;\n initVector1 = inputWords1;\n initVector2 = inputWords2;\n initVector3 = inputWords3;\n\n offset = offset + 4;\n }\n\n return removePKCS7Padding ? removePadding(outputInt32.buffer) : outputInt32.buffer;\n }\n\n destroy () {\n this.key = undefined;\n this.keySize = undefined;\n this.ksRows = undefined;\n\n this.sBox = undefined;\n this.invSBox = undefined;\n this.subMix = undefined;\n this.invSubMix = undefined;\n this.keySchedule = undefined;\n this.invKeySchedule = undefined;\n\n this.rcon = undefined;\n }\n}\n\nexport default AESDecryptor;\n","import AESCrypto from './aes-crypto';\nimport FastAESKey from './fast-aes-key';\nimport AESDecryptor from './aes-decryptor';\n\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\n\nimport Event from '../events';\n\nimport { getSelfScope } from '../utils/get-self-scope';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n\nclass Decrypter {\n constructor (observer, config, { removePKCS7Padding = true } = {}) {\n this.logEnabled = true;\n this.observer = observer;\n this.config = config;\n this.removePKCS7Padding = removePKCS7Padding;\n // built in decryptor expects PKCS7 padding\n if (removePKCS7Padding) {\n try {\n const browserCrypto = global.crypto;\n if (browserCrypto) {\n this.subtle = browserCrypto.subtle || browserCrypto.webkitSubtle;\n }\n } catch (e) {}\n }\n this.disableWebCrypto = !this.subtle;\n }\n\n isSync () {\n return (this.disableWebCrypto && this.config.enableSoftwareAES);\n }\n\n decrypt (data, key, iv, callback) {\n if (this.disableWebCrypto && this.config.enableSoftwareAES) {\n if (this.logEnabled) {\n logger.log('JS AES decrypt');\n this.logEnabled = false;\n }\n let decryptor = this.decryptor;\n if (!decryptor) {\n this.decryptor = decryptor = new AESDecryptor();\n }\n\n decryptor.expandKey(key);\n callback(decryptor.decrypt(data, 0, iv, this.removePKCS7Padding));\n } else {\n if (this.logEnabled) {\n logger.log('WebCrypto AES decrypt');\n this.logEnabled = false;\n }\n const subtle = this.subtle;\n if (this.key !== key) {\n this.key = key;\n this.fastAesKey = new FastAESKey(subtle, key);\n }\n\n this.fastAesKey.expandKey()\n .then((aesKey) => {\n // decrypt using web crypto\n let crypto = new AESCrypto(subtle, iv);\n crypto.decrypt(data, aesKey)\n .catch((err) => {\n this.onWebCryptoError(err, data, key, iv, callback);\n })\n .then((result) => {\n callback(result);\n });\n })\n .catch((err) => {\n this.onWebCryptoError(err, data, key, iv, callback);\n });\n }\n }\n\n onWebCryptoError (err, data, key, iv, callback) {\n if (this.config.enableSoftwareAES) {\n logger.log('WebCrypto Error, disable WebCrypto API');\n this.disableWebCrypto = true;\n this.logEnabled = true;\n this.decrypt(data, key, iv, callback);\n } else {\n logger.error(`decrypting error : ${err.message}`);\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_DECRYPT_ERROR, fatal: true, reason: err.message });\n }\n }\n\n destroy () {\n let decryptor = this.decryptor;\n if (decryptor) {\n decryptor.destroy();\n this.decryptor = undefined;\n }\n }\n}\n\nexport default Decrypter;\n","/**\n * AAC helper\n */\n\nclass AAC {\n static getSilentFrame (codec, channelCount) {\n switch (codec) {\n case 'mp4a.40.2':\n if (channelCount === 1) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x23, 0x80]);\n } else if (channelCount === 2) {\n return new Uint8Array([0x21, 0x00, 0x49, 0x90, 0x02, 0x19, 0x00, 0x23, 0x80]);\n } else if (channelCount === 3) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x8e]);\n } else if (channelCount === 4) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x80, 0x2c, 0x80, 0x08, 0x02, 0x38]);\n } else if (channelCount === 5) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x38]);\n } else if (channelCount === 6) {\n return new Uint8Array([0x00, 0xc8, 0x00, 0x80, 0x20, 0x84, 0x01, 0x26, 0x40, 0x08, 0x64, 0x00, 0x82, 0x30, 0x04, 0x99, 0x00, 0x21, 0x90, 0x02, 0x00, 0xb2, 0x00, 0x20, 0x08, 0xe0]);\n }\n\n break;\n // handle HE-AAC below (mp4a.40.5 / mp4a.40.29)\n default:\n if (channelCount === 1) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0:d=0.05\" -c:a libfdk_aac -profile:a aac_he -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x4e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x1c, 0x6, 0xf1, 0xc1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n } else if (channelCount === 2) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0|0:d=0.05\" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n } else if (channelCount === 3) {\n // ffmpeg -y -f lavfi -i \"aevalsrc=0|0|0:d=0.05\" -c:a libfdk_aac -profile:a aac_he_v2 -b:a 4k output.aac && hexdump -v -e '16/1 \"0x%x,\" \"\\n\"' -v output.aac\n return new Uint8Array([0x1, 0x40, 0x22, 0x80, 0xa3, 0x5e, 0xe6, 0x80, 0xba, 0x8, 0x0, 0x0, 0x0, 0x0, 0x95, 0x0, 0x6, 0xf1, 0xa1, 0xa, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5a, 0x5e]);\n }\n break;\n }\n return null;\n }\n}\n\nexport default AAC;\n","/**\n * Generate MP4 Box\n*/\n\nconst UINT32_MAX = Math.pow(2, 32) - 1;\n\nclass MP4 {\n static init () {\n MP4.types = {\n avc1: [], // codingname\n avcC: [],\n btrt: [],\n dinf: [],\n dref: [],\n esds: [],\n ftyp: [],\n hdlr: [],\n mdat: [],\n mdhd: [],\n mdia: [],\n mfhd: [],\n minf: [],\n moof: [],\n moov: [],\n mp4a: [],\n '.mp3': [],\n mvex: [],\n mvhd: [],\n pasp: [],\n sdtp: [],\n stbl: [],\n stco: [],\n stsc: [],\n stsd: [],\n stsz: [],\n stts: [],\n tfdt: [],\n tfhd: [],\n traf: [],\n trak: [],\n trun: [],\n trex: [],\n tkhd: [],\n vmhd: [],\n smhd: []\n };\n\n let i;\n for (i in MP4.types) {\n if (MP4.types.hasOwnProperty(i)) {\n MP4.types[i] = [\n i.charCodeAt(0),\n i.charCodeAt(1),\n i.charCodeAt(2),\n i.charCodeAt(3)\n ];\n }\n }\n\n let videoHdlr = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0x76, 0x69, 0x64, 0x65, // handler_type: 'vide'\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x56, 0x69, 0x64, 0x65,\n 0x6f, 0x48, 0x61, 0x6e,\n 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'VideoHandler'\n ]);\n\n let audioHdlr = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0x73, 0x6f, 0x75, 0x6e, // handler_type: 'soun'\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x53, 0x6f, 0x75, 0x6e,\n 0x64, 0x48, 0x61, 0x6e,\n 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'SoundHandler'\n ]);\n\n MP4.HDLR_TYPES = {\n 'video': videoHdlr,\n 'audio': audioHdlr\n };\n\n let dref = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x01, // entry_count\n 0x00, 0x00, 0x00, 0x0c, // entry_size\n 0x75, 0x72, 0x6c, 0x20, // 'url' type\n 0x00, // version 0\n 0x00, 0x00, 0x01 // entry_flags\n ]);\n\n let stco = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00 // entry_count\n ]);\n\n MP4.STTS = MP4.STSC = MP4.STCO = stco;\n\n MP4.STSZ = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, // sample_size\n 0x00, 0x00, 0x00, 0x00 // sample_count\n ]);\n MP4.VMHD = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x01, // flags\n 0x00, 0x00, // graphicsmode\n 0x00, 0x00,\n 0x00, 0x00,\n 0x00, 0x00 // opcolor\n ]);\n MP4.SMHD = new Uint8Array([\n 0x00, // version\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, // balance\n 0x00, 0x00 // reserved\n ]);\n\n MP4.STSD = new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x01]);// entry_count\n\n let majorBrand = new Uint8Array([105, 115, 111, 109]); // isom\n let avc1Brand = new Uint8Array([97, 118, 99, 49]); // avc1\n let minorVersion = new Uint8Array([0, 0, 0, 1]);\n\n MP4.FTYP = MP4.box(MP4.types.ftyp, majorBrand, minorVersion, majorBrand, avc1Brand);\n MP4.DINF = MP4.box(MP4.types.dinf, MP4.box(MP4.types.dref, dref));\n }\n\n static box (type) {\n let\n payload = Array.prototype.slice.call(arguments, 1),\n size = 8,\n i = payload.length,\n len = i,\n result;\n // calculate the total size we need to allocate\n while (i--) {\n size += payload[i].byteLength;\n }\n\n result = new Uint8Array(size);\n result[0] = (size >> 24) & 0xff;\n result[1] = (size >> 16) & 0xff;\n result[2] = (size >> 8) & 0xff;\n result[3] = size & 0xff;\n result.set(type, 4);\n // copy the payload into the result\n for (i = 0, size = 8; i < len; i++) {\n // copy payload[i] array @ offset size\n result.set(payload[i], size);\n size += payload[i].byteLength;\n }\n return result;\n }\n\n static hdlr (type) {\n return MP4.box(MP4.types.hdlr, MP4.HDLR_TYPES[type]);\n }\n\n static mdat (data) {\n return MP4.box(MP4.types.mdat, data);\n }\n\n static mdhd (timescale, duration) {\n duration *= timescale;\n const upperWordDuration = Math.floor(duration / (UINT32_MAX + 1));\n const lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n return MP4.box(MP4.types.mdhd, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (timescale >> 24) & 0xFF,\n (timescale >> 16) & 0xFF,\n (timescale >> 8) & 0xFF,\n timescale & 0xFF, // timescale\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x55, 0xc4, // 'und' language (undetermined)\n 0x00, 0x00\n ]));\n }\n\n static mdia (track) {\n return MP4.box(MP4.types.mdia, MP4.mdhd(track.timescale, track.duration), MP4.hdlr(track.type), MP4.minf(track));\n }\n\n static mfhd (sequenceNumber) {\n return MP4.box(MP4.types.mfhd, new Uint8Array([\n 0x00,\n 0x00, 0x00, 0x00, // flags\n (sequenceNumber >> 24),\n (sequenceNumber >> 16) & 0xFF,\n (sequenceNumber >> 8) & 0xFF,\n sequenceNumber & 0xFF // sequence_number\n ]));\n }\n\n static minf (track) {\n if (track.type === 'audio') {\n return MP4.box(MP4.types.minf, MP4.box(MP4.types.smhd, MP4.SMHD), MP4.DINF, MP4.stbl(track));\n } else {\n return MP4.box(MP4.types.minf, MP4.box(MP4.types.vmhd, MP4.VMHD), MP4.DINF, MP4.stbl(track));\n }\n }\n\n static moof (sn, baseMediaDecodeTime, track) {\n return MP4.box(MP4.types.moof, MP4.mfhd(sn), MP4.traf(track, baseMediaDecodeTime));\n }\n /**\n * @param tracks... (optional) {array} the tracks associated with this movie\n */\n static moov (tracks) {\n let\n i = tracks.length,\n boxes = [];\n\n while (i--) {\n boxes[i] = MP4.trak(tracks[i]);\n }\n\n return MP4.box.apply(null, [MP4.types.moov, MP4.mvhd(tracks[0].timescale, tracks[0].duration)].concat(boxes).concat(MP4.mvex(tracks)));\n }\n\n static mvex (tracks) {\n let\n i = tracks.length,\n boxes = [];\n\n while (i--) {\n boxes[i] = MP4.trex(tracks[i]);\n }\n\n return MP4.box.apply(null, [MP4.types.mvex].concat(boxes));\n }\n\n static mvhd (timescale, duration) {\n duration *= timescale;\n const upperWordDuration = Math.floor(duration / (UINT32_MAX + 1));\n const lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n let\n bytes = new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (timescale >> 24) & 0xFF,\n (timescale >> 16) & 0xFF,\n (timescale >> 8) & 0xFF,\n timescale & 0xFF, // timescale\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x00, 0x01, 0x00, 0x00, // 1.0 rate\n 0x01, 0x00, // 1.0 volume\n 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n 0xff, 0xff, 0xff, 0xff // next_track_ID\n ]);\n return MP4.box(MP4.types.mvhd, bytes);\n }\n\n static sdtp (track) {\n let\n samples = track.samples || [],\n bytes = new Uint8Array(4 + samples.length),\n flags,\n i;\n // leave the full box header (4 bytes) all zero\n // write the sample table\n for (i = 0; i < samples.length; i++) {\n flags = samples[i].flags;\n bytes[i + 4] = (flags.dependsOn << 4) |\n (flags.isDependedOn << 2) |\n (flags.hasRedundancy);\n }\n\n return MP4.box(MP4.types.sdtp, bytes);\n }\n\n static stbl (track) {\n return MP4.box(MP4.types.stbl, MP4.stsd(track), MP4.box(MP4.types.stts, MP4.STTS), MP4.box(MP4.types.stsc, MP4.STSC), MP4.box(MP4.types.stsz, MP4.STSZ), MP4.box(MP4.types.stco, MP4.STCO));\n }\n\n static avc1 (track) {\n let sps = [], pps = [], i, data, len;\n // assemble the SPSs\n\n for (i = 0; i < track.sps.length; i++) {\n data = track.sps[i];\n len = data.byteLength;\n sps.push((len >>> 8) & 0xFF);\n sps.push((len & 0xFF));\n\n // SPS\n sps = sps.concat(Array.prototype.slice.call(data));\n }\n\n // assemble the PPSs\n for (i = 0; i < track.pps.length; i++) {\n data = track.pps[i];\n len = data.byteLength;\n pps.push((len >>> 8) & 0xFF);\n pps.push((len & 0xFF));\n\n pps = pps.concat(Array.prototype.slice.call(data));\n }\n\n let avcc = MP4.box(MP4.types.avcC, new Uint8Array([\n 0x01, // version\n sps[3], // profile\n sps[4], // profile compat\n sps[5], // level\n 0xfc | 3, // lengthSizeMinusOne, hard-coded to 4 bytes\n 0xE0 | track.sps.length // 3bit reserved (111) + numOfSequenceParameterSets\n ].concat(sps).concat([\n track.pps.length // numOfPictureParameterSets\n ]).concat(pps))), // \"PPS\"\n width = track.width,\n height = track.height,\n hSpacing = track.pixelRatio[0],\n vSpacing = track.pixelRatio[1];\n\n return MP4.box(MP4.types.avc1, new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, // pre_defined\n 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // pre_defined\n (width >> 8) & 0xFF,\n width & 0xff, // width\n (height >> 8) & 0xFF,\n height & 0xff, // height\n 0x00, 0x48, 0x00, 0x00, // horizresolution\n 0x00, 0x48, 0x00, 0x00, // vertresolution\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // frame_count\n 0x12,\n 0x64, 0x61, 0x69, 0x6C, // dailymotion/hls.js\n 0x79, 0x6D, 0x6F, 0x74,\n 0x69, 0x6F, 0x6E, 0x2F,\n 0x68, 0x6C, 0x73, 0x2E,\n 0x6A, 0x73, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, // compressorname\n 0x00, 0x18, // depth = 24\n 0x11, 0x11]), // pre_defined = -1\n avcc,\n MP4.box(MP4.types.btrt, new Uint8Array([\n 0x00, 0x1c, 0x9c, 0x80, // bufferSizeDB\n 0x00, 0x2d, 0xc6, 0xc0, // maxBitrate\n 0x00, 0x2d, 0xc6, 0xc0])), // avgBitrate\n MP4.box(MP4.types.pasp, new Uint8Array([\n (hSpacing >> 24), // hSpacing\n (hSpacing >> 16) & 0xFF,\n (hSpacing >> 8) & 0xFF,\n hSpacing & 0xFF,\n (vSpacing >> 24), // vSpacing\n (vSpacing >> 16) & 0xFF,\n (vSpacing >> 8) & 0xFF,\n vSpacing & 0xFF]))\n );\n }\n\n static esds (track) {\n let configlen = track.config.length;\n return new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n\n 0x03, // descriptor_type\n 0x17 + configlen, // length\n 0x00, 0x01, // es_id\n 0x00, // stream_priority\n\n 0x04, // descriptor_type\n 0x0f + configlen, // length\n 0x40, // codec : mpeg4_audio\n 0x15, // stream_type\n 0x00, 0x00, 0x00, // buffer_size\n 0x00, 0x00, 0x00, 0x00, // maxBitrate\n 0x00, 0x00, 0x00, 0x00, // avgBitrate\n\n 0x05 // descriptor_type\n ].concat([configlen]).concat(track.config).concat([0x06, 0x01, 0x02])); // GASpecificConfig)); // length + audio config descriptor\n }\n\n static mp4a (track) {\n let samplerate = track.samplerate;\n return MP4.box(MP4.types.mp4a, new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, track.channelCount, // channelcount\n 0x00, 0x10, // sampleSize:16bits\n 0x00, 0x00, 0x00, 0x00, // reserved2\n (samplerate >> 8) & 0xFF,\n samplerate & 0xff, //\n 0x00, 0x00]),\n MP4.box(MP4.types.esds, MP4.esds(track)));\n }\n\n static mp3 (track) {\n let samplerate = track.samplerate;\n return MP4.box(MP4.types['.mp3'], new Uint8Array([\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, 0x00, // reserved\n 0x00, 0x01, // data_reference_index\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, track.channelCount, // channelcount\n 0x00, 0x10, // sampleSize:16bits\n 0x00, 0x00, 0x00, 0x00, // reserved2\n (samplerate >> 8) & 0xFF,\n samplerate & 0xff, //\n 0x00, 0x00]));\n }\n\n static stsd (track) {\n if (track.type === 'audio') {\n if (!track.isAAC && track.codec === 'mp3') {\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp3(track));\n }\n\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.mp4a(track));\n } else {\n return MP4.box(MP4.types.stsd, MP4.STSD, MP4.avc1(track));\n }\n }\n\n static tkhd (track) {\n let id = track.id,\n duration = track.duration * track.timescale,\n width = track.width,\n height = track.height,\n upperWordDuration = Math.floor(duration / (UINT32_MAX + 1)),\n lowerWordDuration = Math.floor(duration % (UINT32_MAX + 1));\n return MP4.box(MP4.types.tkhd, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x07, // flags\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // creation_time\n 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, // modification_time\n (id >> 24) & 0xFF,\n (id >> 16) & 0xFF,\n (id >> 8) & 0xFF,\n id & 0xFF, // track_ID\n 0x00, 0x00, 0x00, 0x00, // reserved\n (upperWordDuration >> 24),\n (upperWordDuration >> 16) & 0xFF,\n (upperWordDuration >> 8) & 0xFF,\n upperWordDuration & 0xFF,\n (lowerWordDuration >> 24),\n (lowerWordDuration >> 16) & 0xFF,\n (lowerWordDuration >> 8) & 0xFF,\n lowerWordDuration & 0xFF,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00, // reserved\n 0x00, 0x00, // layer\n 0x00, 0x00, // alternate_group\n 0x00, 0x00, // non-audio track volume\n 0x00, 0x00, // reserved\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x01, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x00, 0x00, 0x00, 0x00,\n 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n (width >> 8) & 0xFF,\n width & 0xFF,\n 0x00, 0x00, // width\n (height >> 8) & 0xFF,\n height & 0xFF,\n 0x00, 0x00 // height\n ]));\n }\n\n static traf (track, baseMediaDecodeTime) {\n let sampleDependencyTable = MP4.sdtp(track),\n id = track.id,\n upperWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1)),\n lowerWordBaseMediaDecodeTime = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1));\n return MP4.box(MP4.types.traf,\n MP4.box(MP4.types.tfhd, new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n (id >> 24),\n (id >> 16) & 0XFF,\n (id >> 8) & 0XFF,\n (id & 0xFF) // track_ID\n ])),\n MP4.box(MP4.types.tfdt, new Uint8Array([\n 0x01, // version 1\n 0x00, 0x00, 0x00, // flags\n (upperWordBaseMediaDecodeTime >> 24),\n (upperWordBaseMediaDecodeTime >> 16) & 0XFF,\n (upperWordBaseMediaDecodeTime >> 8) & 0XFF,\n (upperWordBaseMediaDecodeTime & 0xFF),\n (lowerWordBaseMediaDecodeTime >> 24),\n (lowerWordBaseMediaDecodeTime >> 16) & 0XFF,\n (lowerWordBaseMediaDecodeTime >> 8) & 0XFF,\n (lowerWordBaseMediaDecodeTime & 0xFF)\n ])),\n MP4.trun(track,\n sampleDependencyTable.length +\n 16 + // tfhd\n 20 + // tfdt\n 8 + // traf header\n 16 + // mfhd\n 8 + // moof header\n 8), // mdat header\n sampleDependencyTable);\n }\n\n /**\n * Generate a track box.\n * @param track {object} a track definition\n * @return {Uint8Array} the track box\n */\n static trak (track) {\n track.duration = track.duration || 0xffffffff;\n return MP4.box(MP4.types.trak, MP4.tkhd(track), MP4.mdia(track));\n }\n\n static trex (track) {\n let id = track.id;\n return MP4.box(MP4.types.trex, new Uint8Array([\n 0x00, // version 0\n 0x00, 0x00, 0x00, // flags\n (id >> 24),\n (id >> 16) & 0XFF,\n (id >> 8) & 0XFF,\n (id & 0xFF), // track_ID\n 0x00, 0x00, 0x00, 0x01, // default_sample_description_index\n 0x00, 0x00, 0x00, 0x00, // default_sample_duration\n 0x00, 0x00, 0x00, 0x00, // default_sample_size\n 0x00, 0x01, 0x00, 0x01 // default_sample_flags\n ]));\n }\n\n static trun (track, offset) {\n let samples = track.samples || [],\n len = samples.length,\n arraylen = 12 + (16 * len),\n array = new Uint8Array(arraylen),\n i, sample, duration, size, flags, cts;\n offset += 8 + arraylen;\n array.set([\n 0x00, // version 0\n 0x00, 0x0f, 0x01, // flags\n (len >>> 24) & 0xFF,\n (len >>> 16) & 0xFF,\n (len >>> 8) & 0xFF,\n len & 0xFF, // sample_count\n (offset >>> 24) & 0xFF,\n (offset >>> 16) & 0xFF,\n (offset >>> 8) & 0xFF,\n offset & 0xFF // data_offset\n ], 0);\n for (i = 0; i < len; i++) {\n sample = samples[i];\n duration = sample.duration;\n size = sample.size;\n flags = sample.flags;\n cts = sample.cts;\n array.set([\n (duration >>> 24) & 0xFF,\n (duration >>> 16) & 0xFF,\n (duration >>> 8) & 0xFF,\n duration & 0xFF, // sample_duration\n (size >>> 24) & 0xFF,\n (size >>> 16) & 0xFF,\n (size >>> 8) & 0xFF,\n size & 0xFF, // sample_size\n (flags.isLeading << 2) | flags.dependsOn,\n (flags.isDependedOn << 6) |\n (flags.hasRedundancy << 4) |\n (flags.paddingValue << 1) |\n flags.isNonSync,\n flags.degradPrio & 0xF0 << 8,\n flags.degradPrio & 0x0F, // sample_flags\n (cts >>> 24) & 0xFF,\n (cts >>> 16) & 0xFF,\n (cts >>> 8) & 0xFF,\n cts & 0xFF // sample_composition_time_offset\n ], 12 + 16 * i);\n }\n return MP4.box(MP4.types.trun, array);\n }\n\n static initSegment (tracks) {\n if (!MP4.types) {\n MP4.init();\n }\n\n let movie = MP4.moov(tracks), result;\n result = new Uint8Array(MP4.FTYP.byteLength + movie.byteLength);\n result.set(MP4.FTYP);\n result.set(movie, MP4.FTYP.byteLength);\n return result;\n }\n}\n\nexport default MP4;\n","/**\n * fMP4 remuxer\n*/\n\nimport AAC from './aac-helper';\nimport MP4 from './mp4-generator';\n\nimport Event from '../events';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\nimport { toMsFromMpegTsClock, toMpegTsClockFromTimescale, toTimescaleFromScale } from '../utils/timescale-conversion';\n\nimport { logger } from '../utils/logger';\n\nconst MAX_SILENT_FRAME_DURATION_90KHZ = toMpegTsClockFromTimescale(10);\nconst PTS_DTS_SHIFT_TOLERANCE_90KHZ = toMpegTsClockFromTimescale(0.2);\n\nclass MP4Remuxer {\n constructor (observer, config, typeSupported, vendor) {\n this.observer = observer;\n this.config = config;\n this.typeSupported = typeSupported;\n const userAgent = navigator.userAgent;\n this.isSafari = vendor && vendor.indexOf('Apple') > -1 && userAgent && !userAgent.match('CriOS');\n this.ISGenerated = false;\n }\n\n destroy () {\n }\n\n resetTimeStamp (defaultTimeStamp) {\n this._initPTS = this._initDTS = defaultTimeStamp;\n }\n\n resetInitSegment () {\n this.ISGenerated = false;\n }\n\n remux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n // generate Init Segment if needed\n if (!this.ISGenerated) {\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n\n if (this.ISGenerated) {\n const nbAudioSamples = audioTrack.samples.length;\n const nbVideoSamples = videoTrack.samples.length;\n let audioTimeOffset = timeOffset;\n let videoTimeOffset = timeOffset;\n if (nbAudioSamples && nbVideoSamples) {\n // timeOffset is expected to be the offset of the first timestamp of this fragment (first DTS)\n // if first audio DTS is not aligned with first video DTS then we need to take that into account\n // when providing timeOffset to remuxAudio / remuxVideo. if we don't do that, there might be a permanent / small\n // drift between audio and video streams\n let audiovideoDeltaDts = (audioTrack.samples[0].pts - videoTrack.samples[0].pts) / videoTrack.inputTimeScale;\n audioTimeOffset += Math.max(0, audiovideoDeltaDts);\n videoTimeOffset += Math.max(0, -audiovideoDeltaDts);\n }\n // Purposefully remuxing audio before video, so that remuxVideo can use nextAudioPts, which is\n // calculated in remuxAudio.\n // logger.log('nb AAC samples:' + audioTrack.samples.length);\n if (nbAudioSamples) {\n // if initSegment was generated without video samples, regenerate it again\n if (!audioTrack.timescale) {\n logger.warn('regenerate InitSegment as audio detected');\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n let audioData = this.remuxAudio(audioTrack, audioTimeOffset, contiguous, accurateTimeOffset);\n // logger.log('nb AVC samples:' + videoTrack.samples.length);\n if (nbVideoSamples) {\n let audioTrackLength;\n if (audioData) {\n audioTrackLength = audioData.endPTS - audioData.startPTS;\n }\n\n // if initSegment was generated without video samples, regenerate it again\n if (!videoTrack.timescale) {\n logger.warn('regenerate InitSegment as video detected');\n this.generateIS(audioTrack, videoTrack, timeOffset);\n }\n this.remuxVideo(videoTrack, videoTimeOffset, contiguous, audioTrackLength, accurateTimeOffset);\n }\n } else {\n // logger.log('nb AVC samples:' + videoTrack.samples.length);\n if (nbVideoSamples) {\n let videoData = this.remuxVideo(videoTrack, videoTimeOffset, contiguous, 0, accurateTimeOffset);\n if (videoData && audioTrack.codec) {\n this.remuxEmptyAudio(audioTrack, audioTimeOffset, contiguous, videoData);\n }\n }\n }\n }\n // logger.log('nb ID3 samples:' + audioTrack.samples.length);\n if (id3Track.samples.length) {\n this.remuxID3(id3Track, timeOffset);\n }\n\n // logger.log('nb ID3 samples:' + audioTrack.samples.length);\n if (textTrack.samples.length) {\n this.remuxText(textTrack, timeOffset);\n }\n\n // notify end of parsing\n this.observer.trigger(Event.FRAG_PARSED);\n }\n\n generateIS (audioTrack, videoTrack, timeOffset) {\n let observer = this.observer,\n audioSamples = audioTrack.samples,\n videoSamples = videoTrack.samples,\n typeSupported = this.typeSupported,\n container = 'audio/mp4',\n tracks = {},\n data = { tracks: tracks },\n computePTSDTS = (this._initPTS === undefined),\n initPTS, initDTS, timescale;\n\n if (computePTSDTS) {\n initPTS = initDTS = Infinity;\n }\n\n if (audioTrack.config && audioSamples.length) {\n // let's use audio sampling rate as MP4 time scale.\n // rationale is that there is a integer nb of audio frames per audio sample (1024 for AAC)\n // using audio sampling rate here helps having an integer MP4 frame duration\n // this avoids potential rounding issue and AV sync issue\n audioTrack.timescale = audioTrack.samplerate;\n logger.log(`audio sampling rate : ${audioTrack.samplerate}`);\n if (!audioTrack.isAAC) {\n if (typeSupported.mpeg) { // Chrome and Safari\n container = 'audio/mpeg';\n audioTrack.codec = '';\n } else if (typeSupported.mp3) { // Firefox\n audioTrack.codec = 'mp3';\n }\n }\n tracks.audio = {\n container: container,\n codec: audioTrack.codec,\n initSegment: !audioTrack.isAAC && typeSupported.mpeg ? new Uint8Array() : MP4.initSegment([audioTrack]),\n metadata: {\n channelCount: audioTrack.channelCount\n }\n };\n if (computePTSDTS) {\n timescale = audioTrack.inputTimeScale;\n // remember first PTS of this demuxing context. for audio, PTS = DTS\n initPTS = initDTS = audioSamples[0].pts - Math.round(timescale * timeOffset);\n }\n }\n\n if (videoTrack.sps && videoTrack.pps && videoSamples.length) {\n // let's use input time scale as MP4 video timescale\n // we use input time scale straight away to avoid rounding issues on frame duration / cts computation\n const inputTimeScale = videoTrack.inputTimeScale;\n videoTrack.timescale = inputTimeScale;\n tracks.video = {\n container: 'video/mp4',\n codec: videoTrack.codec,\n initSegment: MP4.initSegment([videoTrack]),\n metadata: {\n width: videoTrack.width,\n height: videoTrack.height\n }\n };\n if (computePTSDTS) {\n timescale = videoTrack.inputTimeScale;\n initPTS = Math.min(initPTS, videoSamples[0].pts - inputTimeScale * timeOffset);\n initDTS = Math.min(initDTS, videoSamples[0].dts - inputTimeScale * timeOffset);\n this.observer.trigger(Event.INIT_PTS_FOUND, { initPTS: initPTS, timescale });\n }\n }\n\n if (Object.keys(tracks).length) {\n observer.trigger(Event.FRAG_PARSING_INIT_SEGMENT, data);\n this.ISGenerated = true;\n if (computePTSDTS) {\n this._initPTS = initPTS;\n this._initDTS = initDTS;\n }\n } else {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: false, reason: 'no audio/video samples found' });\n }\n }\n\n remuxVideo (track, timeOffset, contiguous, audioTrackLength, accurateTimeOffset) {\n let offset = 8;\n let mp4SampleDuration;\n let mdat;\n let moof;\n let firstPTS;\n let firstDTS;\n let lastPTS;\n let lastDTS;\n const timeScale = track.timescale;\n const inputSamples = track.samples;\n const outputSamples = [];\n const nbSamples = inputSamples.length;\n const ptsNormalize = this._PTSNormalize;\n const initPTS = this._initPTS;\n\n // if parsed fragment is contiguous with last one, let's use last DTS value as reference\n let nextAvcDts = this.nextAvcDts;\n\n const isSafari = this.isSafari;\n\n if (nbSamples === 0) {\n return;\n }\n\n // Safari does not like overlapping DTS on consecutive fragments. let's use nextAvcDts to overcome this if fragments are consecutive\n if (isSafari) {\n // also consider consecutive fragments as being contiguous (even if a level switch occurs),\n // for sake of clarity:\n // consecutive fragments are frags with\n // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR\n // - less than 200 ms PTS gaps (timeScale/5)\n contiguous |= (inputSamples.length && nextAvcDts &&\n ((accurateTimeOffset && Math.abs(timeOffset - nextAvcDts / timeScale) < 0.1) ||\n Math.abs((inputSamples[0].pts - nextAvcDts - initPTS)) < timeScale / 5)\n );\n }\n\n if (!contiguous) {\n // if not contiguous, let's use target timeOffset\n nextAvcDts = timeOffset * timeScale;\n }\n\n // PTS is coded on 33bits, and can loop from -2^32 to 2^32\n // ptsNormalize will make PTS/DTS value monotonic, we use last known DTS value as reference value\n inputSamples.forEach(function (sample) {\n sample.pts = ptsNormalize(sample.pts - initPTS, nextAvcDts);\n sample.dts = ptsNormalize(sample.dts - initPTS, nextAvcDts);\n });\n\n // sort video samples by DTS then PTS then demux id order\n inputSamples.sort(function (a, b) {\n const deltadts = a.dts - b.dts;\n const deltapts = a.pts - b.pts;\n return deltadts || (deltapts || (a.id - b.id));\n });\n\n // handle broken streams with PTS < DTS, tolerance up 0.2 seconds\n let PTSDTSshift = inputSamples.reduce((prev, curr) => Math.max(Math.min(prev, curr.pts - curr.dts), -1 * PTS_DTS_SHIFT_TOLERANCE_90KHZ), 0);\n if (PTSDTSshift < 0) {\n logger.warn(`PTS < DTS detected in video samples, shifting DTS by ${toMsFromMpegTsClock(PTSDTSshift, true)} ms to overcome this issue`);\n for (let i = 0; i < inputSamples.length; i++) {\n inputSamples[i].dts += PTSDTSshift;\n }\n }\n\n // compute first DTS and last DTS, normalize them against reference value\n let sample = inputSamples[0];\n firstDTS = Math.max(sample.dts, 0);\n firstPTS = Math.max(sample.pts, 0);\n\n // check timestamp continuity accross consecutive fragments (this is to remove inter-fragment gap/hole)\n let delta = firstDTS - nextAvcDts;\n // if fragment are contiguous, detect hole/overlapping between fragments\n if (contiguous) {\n if (delta) {\n if (delta > 1) {\n logger.log(`AVC: ${toMsFromMpegTsClock(delta, true)} ms hole between fragments detected,filling it`);\n } else if (delta < -1) {\n logger.log(`AVC: ${toMsFromMpegTsClock(-delta, true)} ms overlapping between fragments detected`);\n }\n\n // remove hole/gap : set DTS to next expected DTS\n firstDTS = nextAvcDts;\n inputSamples[0].dts = firstDTS;\n // offset PTS as well, ensure that PTS is smaller or equal than new DTS\n firstPTS = Math.max(firstPTS - delta, nextAvcDts);\n inputSamples[0].pts = firstPTS;\n logger.log(`Video: PTS/DTS adjusted: ${toMsFromMpegTsClock(firstPTS, true)}/${toMsFromMpegTsClock(firstDTS, true)}, delta: ${toMsFromMpegTsClock(delta, true)} ms`);\n }\n }\n\n // compute lastPTS/lastDTS\n sample = inputSamples[inputSamples.length - 1];\n lastDTS = Math.max(sample.dts, 0);\n lastPTS = Math.max(sample.pts, 0, lastDTS);\n\n // on Safari let's signal the same sample duration for all samples\n // sample duration (as expected by trun MP4 boxes), should be the delta between sample DTS\n // set this constant duration as being the avg delta between consecutive DTS.\n if (isSafari) {\n mp4SampleDuration = Math.round((lastDTS - firstDTS) / (inputSamples.length - 1));\n }\n\n let nbNalu = 0, naluLen = 0;\n for (let i = 0; i < nbSamples; i++) {\n // compute total/avc sample length and nb of NAL units\n let sample = inputSamples[i], units = sample.units, nbUnits = units.length, sampleLen = 0;\n for (let j = 0; j < nbUnits; j++) {\n sampleLen += units[j].data.length;\n }\n\n naluLen += sampleLen;\n nbNalu += nbUnits;\n sample.length = sampleLen;\n\n // normalize PTS/DTS\n if (isSafari) {\n // sample DTS is computed using a constant decoding offset (mp4SampleDuration) between samples\n sample.dts = firstDTS + i * mp4SampleDuration;\n } else {\n // ensure sample monotonic DTS\n sample.dts = Math.max(sample.dts, firstDTS);\n }\n // ensure that computed value is greater or equal than sample DTS\n sample.pts = Math.max(sample.pts, sample.dts);\n }\n\n /* concatenate the video data and construct the mdat in place\n (need 8 more bytes to fill length and mpdat type) */\n let mdatSize = naluLen + (4 * nbNalu) + 8;\n try {\n mdat = new Uint8Array(mdatSize);\n } catch (err) {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MUX_ERROR, details: ErrorDetails.REMUX_ALLOC_ERROR, fatal: false, bytes: mdatSize, reason: `fail allocating video mdat ${mdatSize}` });\n return;\n }\n let view = new DataView(mdat.buffer);\n view.setUint32(0, mdatSize);\n mdat.set(MP4.types.mdat, 4);\n\n for (let i = 0; i < nbSamples; i++) {\n let avcSample = inputSamples[i],\n avcSampleUnits = avcSample.units,\n mp4SampleLength = 0,\n compositionTimeOffset;\n // convert NALU bitstream to MP4 format (prepend NALU with size field)\n for (let j = 0, nbUnits = avcSampleUnits.length; j < nbUnits; j++) {\n let unit = avcSampleUnits[j],\n unitData = unit.data,\n unitDataLen = unit.data.byteLength;\n view.setUint32(offset, unitDataLen);\n offset += 4;\n mdat.set(unitData, offset);\n offset += unitDataLen;\n mp4SampleLength += 4 + unitDataLen;\n }\n\n if (!isSafari) {\n // expected sample duration is the Decoding Timestamp diff of consecutive samples\n if (i < nbSamples - 1) {\n mp4SampleDuration = inputSamples[i + 1].dts - avcSample.dts;\n } else {\n let config = this.config,\n lastFrameDuration = avcSample.dts - inputSamples[i > 0 ? i - 1 : i].dts;\n if (config.stretchShortVideoTrack) {\n // In some cases, a segment's audio track duration may exceed the video track duration.\n // Since we've already remuxed audio, and we know how long the audio track is, we look to\n // see if the delta to the next segment is longer than maxBufferHole.\n // If so, playback would potentially get stuck, so we artificially inflate\n // the duration of the last frame to minimize any potential gap between segments.\n let maxBufferHole = config.maxBufferHole,\n gapTolerance = Math.floor(maxBufferHole * timeScale),\n deltaToFrameEnd = (audioTrackLength ? firstPTS + audioTrackLength * timeScale : this.nextAudioPts) - avcSample.pts;\n if (deltaToFrameEnd > gapTolerance) {\n // We subtract lastFrameDuration from deltaToFrameEnd to try to prevent any video\n // frame overlap. maxBufferHole should be >> lastFrameDuration anyway.\n mp4SampleDuration = deltaToFrameEnd - lastFrameDuration;\n if (mp4SampleDuration < 0) {\n mp4SampleDuration = lastFrameDuration;\n }\n\n logger.log(`It is approximately ${toMsFromMpegTsClock(deltaToFrameEnd, false)} ms to the next segment; using duration ${toMsFromMpegTsClock(mp4SampleDuration, false)} ms for the last video frame.`);\n } else {\n mp4SampleDuration = lastFrameDuration;\n }\n } else {\n mp4SampleDuration = lastFrameDuration;\n }\n }\n compositionTimeOffset = Math.round(avcSample.pts - avcSample.dts);\n } else {\n compositionTimeOffset = Math.max(0, mp4SampleDuration * Math.round((avcSample.pts - avcSample.dts) / mp4SampleDuration));\n }\n\n // console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${avcSample.pts}/${avcSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(avcSample.pts/4294967296).toFixed(3)}');\n outputSamples.push({\n size: mp4SampleLength,\n // constant duration\n duration: mp4SampleDuration,\n cts: compositionTimeOffset,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: avcSample.key ? 2 : 1,\n isNonSync: avcSample.key ? 0 : 1\n }\n });\n }\n // next AVC sample DTS should be equal to last sample DTS + last sample duration (in PES timescale)\n this.nextAvcDts = lastDTS + mp4SampleDuration;\n let dropped = track.dropped;\n track.nbNalu = 0;\n track.dropped = 0;\n if (outputSamples.length && navigator.userAgent.toLowerCase().indexOf('chrome') > -1) {\n let flags = outputSamples[0].flags;\n // chrome workaround, mark first sample as being a Random Access Point to avoid sourcebuffer append issue\n // https://code.google.com/p/chromium/issues/detail?id=229412\n flags.dependsOn = 2;\n flags.isNonSync = 0;\n }\n track.samples = outputSamples;\n moof = MP4.moof(track.sequenceNumber++, firstDTS, track);\n track.samples = [];\n\n let data = {\n data1: moof,\n data2: mdat,\n startPTS: firstPTS / timeScale,\n endPTS: (lastPTS + mp4SampleDuration) / timeScale,\n startDTS: firstDTS / timeScale,\n endDTS: this.nextAvcDts / timeScale,\n type: 'video',\n hasAudio: false,\n hasVideo: true,\n nb: outputSamples.length,\n dropped: dropped\n };\n this.observer.trigger(Event.FRAG_PARSING_DATA, data);\n return data;\n }\n\n remuxAudio (track, timeOffset, contiguous, accurateTimeOffset) {\n const inputTimeScale = track.inputTimeScale;\n const mp4timeScale = track.timescale;\n const scaleFactor = inputTimeScale / mp4timeScale;\n const mp4SampleDuration = track.isAAC ? 1024 : 1152;\n const inputSampleDuration = mp4SampleDuration * scaleFactor;\n const ptsNormalize = this._PTSNormalize;\n const initPTS = this._initPTS;\n const rawMPEG = !track.isAAC && this.typeSupported.mpeg;\n\n let mp4Sample;\n let fillFrame;\n let mdat;\n let moof;\n let firstPTS;\n let lastPTS;\n let offset = (rawMPEG ? 0 : 8);\n let inputSamples = track.samples;\n let outputSamples = [];\n let nextAudioPts = this.nextAudioPts;\n\n // for audio samples, also consider consecutive fragments as being contiguous (even if a level switch occurs),\n // for sake of clarity:\n // consecutive fragments are frags with\n // - less than 100ms gaps between new time offset (if accurate) and next expected PTS OR\n // - less than 20 audio frames distance\n // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1)\n // this helps ensuring audio continuity\n // and this also avoids audio glitches/cut when switching quality, or reporting wrong duration on first audio frame\n contiguous |= (inputSamples.length && nextAudioPts &&\n ((accurateTimeOffset && Math.abs(timeOffset - nextAudioPts / inputTimeScale) < 0.1) ||\n Math.abs((inputSamples[0].pts - nextAudioPts - initPTS)) < 20 * inputSampleDuration)\n );\n\n // compute normalized PTS\n inputSamples.forEach(function (sample) {\n sample.pts = sample.dts = ptsNormalize(sample.pts - initPTS, timeOffset * inputTimeScale);\n });\n\n // filter out sample with negative PTS that are not playable anyway\n // if we don't remove these negative samples, they will shift all audio samples forward.\n // leading to audio overlap between current / next fragment\n inputSamples = inputSamples.filter(function (sample) {\n return sample.pts >= 0;\n });\n\n // in case all samples have negative PTS, and have been filtered out, return now\n if (inputSamples.length === 0) {\n return;\n }\n\n if (!contiguous) {\n if (!accurateTimeOffset) {\n // if frag are mot contiguous and if we cant trust time offset, let's use first sample PTS as next audio PTS\n nextAudioPts = inputSamples[0].pts;\n } else {\n // if timeOffset is accurate, let's use it as predicted next audio PTS\n nextAudioPts = timeOffset * inputTimeScale;\n }\n }\n\n // If the audio track is missing samples, the frames seem to get \"left-shifted\" within the\n // resulting mp4 segment, causing sync issues and leaving gaps at the end of the audio segment.\n // In an effort to prevent this from happening, we inject frames here where there are gaps.\n // When possible, we inject a silent frame; when that's not possible, we duplicate the last\n // frame.\n\n if (track.isAAC) {\n const maxAudioFramesDrift = this.config.maxAudioFramesDrift;\n for (let i = 0, nextPts = nextAudioPts; i < inputSamples.length;) {\n // First, let's see how far off this frame is from where we expect it to be\n var sample = inputSamples[i], delta;\n let pts = sample.pts;\n delta = pts - nextPts;\n\n // If we're overlapping by more than a duration, drop this sample\n if (delta <= -maxAudioFramesDrift * inputSampleDuration) {\n logger.warn(`Dropping 1 audio frame @ ${toMsFromMpegTsClock(nextPts, true)} ms due to ${toMsFromMpegTsClock(delta, true)} ms overlap.`);\n inputSamples.splice(i, 1);\n // Don't touch nextPtsNorm or i\n } // eslint-disable-line brace-style\n\n // Insert missing frames if:\n // 1: We're more than maxAudioFramesDrift frame away\n // 2: Not more than MAX_SILENT_FRAME_DURATION away\n // 3: currentTime (aka nextPtsNorm) is not 0\n else if (delta >= maxAudioFramesDrift * inputSampleDuration && delta < MAX_SILENT_FRAME_DURATION_90KHZ && nextPts) {\n let missing = Math.round(delta / inputSampleDuration);\n logger.warn(`Injecting ${missing} audio frames @ ${toMsFromMpegTsClock(nextPts, true)} ms due to ${toMsFromMpegTsClock(nextPts, true)} ms gap.`);\n for (let j = 0; j < missing; j++) {\n let newStamp = Math.max(nextPts, 0);\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n logger.log('Unable to get silent frame for given audio codec; duplicating last frame instead.');\n fillFrame = sample.unit.subarray();\n }\n inputSamples.splice(i, 0, { unit: fillFrame, pts: newStamp, dts: newStamp });\n nextPts += inputSampleDuration;\n i++;\n }\n\n // Adjust sample to next expected pts\n sample.pts = sample.dts = nextPts;\n nextPts += inputSampleDuration;\n i++;\n } else {\n // Otherwise, just adjust pts\n if (Math.abs(delta) > (0.1 * inputSampleDuration)) {\n // logger.log(`Invalid frame delta ${Math.round(delta + inputSampleDuration)} at PTS ${Math.round(pts / 90)} (should be ${Math.round(inputSampleDuration)}).`);\n }\n sample.pts = sample.dts = nextPts;\n nextPts += inputSampleDuration;\n i++;\n }\n }\n }\n\n // compute mdat size, as we eventually filtered/added some samples\n let nbSamples = inputSamples.length;\n let mdatSize = 0;\n while (nbSamples--) {\n mdatSize += inputSamples[nbSamples].unit.byteLength;\n }\n\n for (let j = 0, nbSamples = inputSamples.length; j < nbSamples; j++) {\n let audioSample = inputSamples[j];\n let unit = audioSample.unit;\n let pts = audioSample.pts;\n\n // logger.log(`Audio/PTS:${toMsFromMpegTsClock(pts, true)}`);\n // if not first sample\n\n if (lastPTS !== undefined) {\n mp4Sample.duration = Math.round((pts - lastPTS) / scaleFactor);\n } else {\n let delta = pts - nextAudioPts;\n let numMissingFrames = 0;\n\n // if fragment are contiguous, detect hole/overlapping between fragments\n // contiguous fragments are consecutive fragments from same quality level (same level, new SN = old SN + 1)\n if (contiguous && track.isAAC) {\n // log delta\n if (delta) {\n if (delta > 0 && delta < MAX_SILENT_FRAME_DURATION_90KHZ) {\n // Q: why do we have to round here, shouldn't this always result in an integer if timestamps are correct,\n // and if not, shouldn't we actually Math.ceil() instead?\n numMissingFrames = Math.round((pts - nextAudioPts) / inputSampleDuration);\n\n logger.log(`${toMsFromMpegTsClock(delta, true)} ms hole between AAC samples detected,filling it`);\n if (numMissingFrames > 0) {\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n fillFrame = unit.subarray();\n }\n\n mdatSize += numMissingFrames * fillFrame.length;\n }\n // if we have frame overlap, overlapping for more than half a frame duraion\n } else if (delta < -12) {\n // drop overlapping audio frames... browser will deal with it\n logger.log(`drop overlapping AAC sample, expected/parsed/delta: ${toMsFromMpegTsClock(nextAudioPts, true)} ms / ${toMsFromMpegTsClock(pts, true)} ms / ${toMsFromMpegTsClock(-delta, true)} ms`);\n mdatSize -= unit.byteLength;\n continue;\n }\n // set PTS/DTS to expected PTS/DTS\n pts = nextAudioPts;\n }\n }\n // remember first PTS of our audioSamples\n firstPTS = pts;\n if (mdatSize > 0) {\n mdatSize += offset;\n try {\n mdat = new Uint8Array(mdatSize);\n } catch (err) {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MUX_ERROR, details: ErrorDetails.REMUX_ALLOC_ERROR, fatal: false, bytes: mdatSize, reason: `fail allocating audio mdat ${mdatSize}` });\n return;\n }\n if (!rawMPEG) {\n const view = new DataView(mdat.buffer);\n view.setUint32(0, mdatSize);\n mdat.set(MP4.types.mdat, 4);\n }\n } else {\n // no audio samples\n return;\n }\n for (let i = 0; i < numMissingFrames; i++) {\n fillFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n if (!fillFrame) {\n logger.log('Unable to get silent frame for given audio codec; duplicating this frame instead.');\n fillFrame = unit.subarray();\n }\n mdat.set(fillFrame, offset);\n offset += fillFrame.byteLength;\n mp4Sample = {\n size: fillFrame.byteLength,\n cts: 0,\n duration: 1024,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: 1\n }\n };\n outputSamples.push(mp4Sample);\n }\n }\n mdat.set(unit, offset);\n let unitLen = unit.byteLength;\n offset += unitLen;\n // console.log('PTS/DTS/initDTS/normPTS/normDTS/relative PTS : ${audioSample.pts}/${audioSample.dts}/${initDTS}/${ptsnorm}/${dtsnorm}/${(audioSample.pts/4294967296).toFixed(3)}');\n mp4Sample = {\n size: unitLen,\n cts: 0,\n duration: 0,\n flags: {\n isLeading: 0,\n isDependedOn: 0,\n hasRedundancy: 0,\n degradPrio: 0,\n dependsOn: 1\n }\n };\n outputSamples.push(mp4Sample);\n lastPTS = pts;\n }\n let lastSampleDuration = 0;\n nbSamples = outputSamples.length;\n // set last sample duration as being identical to previous sample\n if (nbSamples >= 2) {\n lastSampleDuration = outputSamples[nbSamples - 2].duration;\n mp4Sample.duration = lastSampleDuration;\n }\n if (nbSamples) {\n // next audio sample PTS should be equal to last sample PTS + duration\n this.nextAudioPts = nextAudioPts = lastPTS + scaleFactor * lastSampleDuration;\n // logger.log('Audio/PTS/PTSend:' + audioSample.pts.toFixed(0) + '/' + this.nextAacDts.toFixed(0));\n track.samples = outputSamples;\n if (rawMPEG) {\n moof = new Uint8Array();\n } else {\n moof = MP4.moof(track.sequenceNumber++, firstPTS / scaleFactor, track);\n }\n\n track.samples = [];\n const start = firstPTS / inputTimeScale;\n const end = nextAudioPts / inputTimeScale;\n const audioData = {\n data1: moof,\n data2: mdat,\n startPTS: start,\n endPTS: end,\n startDTS: start,\n endDTS: end,\n type: 'audio',\n hasAudio: true,\n hasVideo: false,\n nb: nbSamples\n };\n this.observer.trigger(Event.FRAG_PARSING_DATA, audioData);\n return audioData;\n }\n return null;\n }\n\n remuxEmptyAudio (track, timeOffset, contiguous, videoData) {\n let inputTimeScale = track.inputTimeScale;\n let mp4timeScale = track.samplerate ? track.samplerate : inputTimeScale;\n let scaleFactor = inputTimeScale / mp4timeScale;\n let nextAudioPts = this.nextAudioPts;\n\n // sync with video's timestamp\n let startDTS = (nextAudioPts !== undefined ? nextAudioPts : videoData.startDTS * inputTimeScale) + this._initDTS;\n let endDTS = videoData.endDTS * inputTimeScale + this._initDTS;\n // one sample's duration value\n let sampleDuration = 1024;\n let frameDuration = scaleFactor * sampleDuration;\n\n // samples count of this segment's duration\n let nbSamples = Math.ceil((endDTS - startDTS) / frameDuration);\n\n // silent frame\n let silentFrame = AAC.getSilentFrame(track.manifestCodec || track.codec, track.channelCount);\n\n logger.warn('remux empty Audio');\n // Can't remux if we can't generate a silent frame...\n if (!silentFrame) {\n logger.trace('Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec!');\n return;\n }\n\n let samples = [];\n for (let i = 0; i < nbSamples; i++) {\n let stamp = startDTS + i * frameDuration;\n samples.push({ unit: silentFrame, pts: stamp, dts: stamp });\n }\n track.samples = samples;\n\n this.remuxAudio(track, timeOffset, contiguous);\n }\n\n remuxID3 (track) {\n let length = track.samples.length, sample;\n const inputTimeScale = track.inputTimeScale;\n const initPTS = this._initPTS;\n const initDTS = this._initDTS;\n // consume samples\n if (length) {\n for (let index = 0; index < length; index++) {\n sample = track.samples[index];\n // setting id3 pts, dts to relative time\n // using this._initPTS and this._initDTS to calculate relative time\n sample.pts = ((sample.pts - initPTS) / inputTimeScale);\n sample.dts = ((sample.dts - initDTS) / inputTimeScale);\n }\n this.observer.trigger(Event.FRAG_PARSING_METADATA, {\n samples: track.samples\n });\n }\n\n track.samples = [];\n }\n\n remuxText (track) {\n track.samples.sort(function (a, b) {\n return (a.pts - b.pts);\n });\n\n let length = track.samples.length, sample;\n const inputTimeScale = track.inputTimeScale;\n const initPTS = this._initPTS;\n // consume samples\n if (length) {\n for (let index = 0; index < length; index++) {\n sample = track.samples[index];\n // setting text pts, dts to relative time\n // using this._initPTS and this._initDTS to calculate relative time\n sample.pts = ((sample.pts - initPTS) / inputTimeScale);\n }\n this.observer.trigger(Event.FRAG_PARSING_USERDATA, {\n samples: track.samples\n });\n }\n\n track.samples = [];\n }\n\n _PTSNormalize (value, reference) {\n let offset;\n if (reference === undefined) {\n return value;\n }\n\n if (reference < value) {\n // - 2^33\n offset = -8589934592;\n } else {\n // + 2^33\n offset = 8589934592;\n }\n /* PTS is 33bit (from 0 to 2^33 -1)\n if diff between value and reference is bigger than half of the amplitude (2^32) then it means that\n PTS looping occured. fill the gap */\n while (Math.abs(value - reference) > 4294967296) {\n value += offset;\n }\n\n return value;\n }\n}\n\nexport function normalizePts (value, reference) {\n let offset;\n if (reference === null) {\n return value;\n }\n\n if (reference < value) {\n // - 2^33\n offset = -8589934592;\n } else {\n // + 2^33\n offset = 8589934592;\n }\n /* PTS is 33bit (from 0 to 2^33 -1)\n if diff between value and reference is bigger than half of the amplitude (2^32) then it means that\n PTS looping occured. fill the gap */\n while (Math.abs(value - reference) > 4294967296) {\n value += offset;\n }\n\n return value;\n}\n\nexport default MP4Remuxer;\n","'use strict';\n\nvar has = Object.prototype.hasOwnProperty\n , prefix = '~';\n\n/**\n * Constructor to create a storage for our `EE` objects.\n * An `Events` instance is a plain object whose properties are event names.\n *\n * @constructor\n * @private\n */\nfunction Events() {}\n\n//\n// We try to not inherit from `Object.prototype`. In some engines creating an\n// instance in this way is faster than calling `Object.create(null)` directly.\n// If `Object.create(null)` is not supported we prefix the event names with a\n// character to make sure that the built-in object properties are not\n// overridden or used as an attack vector.\n//\nif (Object.create) {\n Events.prototype = Object.create(null);\n\n //\n // This hack is needed because the `__proto__` property is still inherited in\n // some old browsers like Android 4, iPhone 5.1, Opera 11 and Safari 5.\n //\n if (!new Events().__proto__) prefix = false;\n}\n\n/**\n * Representation of a single event listener.\n *\n * @param {Function} fn The listener function.\n * @param {*} context The context to invoke the listener with.\n * @param {Boolean} [once=false] Specify if the listener is a one-time listener.\n * @constructor\n * @private\n */\nfunction EE(fn, context, once) {\n this.fn = fn;\n this.context = context;\n this.once = once || false;\n}\n\n/**\n * Add a listener for a given event.\n *\n * @param {EventEmitter} emitter Reference to the `EventEmitter` instance.\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} context The context to invoke the listener with.\n * @param {Boolean} once Specify if the listener is a one-time listener.\n * @returns {EventEmitter}\n * @private\n */\nfunction addListener(emitter, event, fn, context, once) {\n if (typeof fn !== 'function') {\n throw new TypeError('The listener must be a function');\n }\n\n var listener = new EE(fn, context || emitter, once)\n , evt = prefix ? prefix + event : event;\n\n if (!emitter._events[evt]) emitter._events[evt] = listener, emitter._eventsCount++;\n else if (!emitter._events[evt].fn) emitter._events[evt].push(listener);\n else emitter._events[evt] = [emitter._events[evt], listener];\n\n return emitter;\n}\n\n/**\n * Clear event by name.\n *\n * @param {EventEmitter} emitter Reference to the `EventEmitter` instance.\n * @param {(String|Symbol)} evt The Event name.\n * @private\n */\nfunction clearEvent(emitter, evt) {\n if (--emitter._eventsCount === 0) emitter._events = new Events();\n else delete emitter._events[evt];\n}\n\n/**\n * Minimal `EventEmitter` interface that is molded against the Node.js\n * `EventEmitter` interface.\n *\n * @constructor\n * @public\n */\nfunction EventEmitter() {\n this._events = new Events();\n this._eventsCount = 0;\n}\n\n/**\n * Return an array listing the events for which the emitter has registered\n * listeners.\n *\n * @returns {Array}\n * @public\n */\nEventEmitter.prototype.eventNames = function eventNames() {\n var names = []\n , events\n , name;\n\n if (this._eventsCount === 0) return names;\n\n for (name in (events = this._events)) {\n if (has.call(events, name)) names.push(prefix ? name.slice(1) : name);\n }\n\n if (Object.getOwnPropertySymbols) {\n return names.concat(Object.getOwnPropertySymbols(events));\n }\n\n return names;\n};\n\n/**\n * Return the listeners registered for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Array} The registered listeners.\n * @public\n */\nEventEmitter.prototype.listeners = function listeners(event) {\n var evt = prefix ? prefix + event : event\n , handlers = this._events[evt];\n\n if (!handlers) return [];\n if (handlers.fn) return [handlers.fn];\n\n for (var i = 0, l = handlers.length, ee = new Array(l); i < l; i++) {\n ee[i] = handlers[i].fn;\n }\n\n return ee;\n};\n\n/**\n * Return the number of listeners listening to a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Number} The number of listeners.\n * @public\n */\nEventEmitter.prototype.listenerCount = function listenerCount(event) {\n var evt = prefix ? prefix + event : event\n , listeners = this._events[evt];\n\n if (!listeners) return 0;\n if (listeners.fn) return 1;\n return listeners.length;\n};\n\n/**\n * Calls each of the listeners registered for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Boolean} `true` if the event had listeners, else `false`.\n * @public\n */\nEventEmitter.prototype.emit = function emit(event, a1, a2, a3, a4, a5) {\n var evt = prefix ? prefix + event : event;\n\n if (!this._events[evt]) return false;\n\n var listeners = this._events[evt]\n , len = arguments.length\n , args\n , i;\n\n if (listeners.fn) {\n if (listeners.once) this.removeListener(event, listeners.fn, undefined, true);\n\n switch (len) {\n case 1: return listeners.fn.call(listeners.context), true;\n case 2: return listeners.fn.call(listeners.context, a1), true;\n case 3: return listeners.fn.call(listeners.context, a1, a2), true;\n case 4: return listeners.fn.call(listeners.context, a1, a2, a3), true;\n case 5: return listeners.fn.call(listeners.context, a1, a2, a3, a4), true;\n case 6: return listeners.fn.call(listeners.context, a1, a2, a3, a4, a5), true;\n }\n\n for (i = 1, args = new Array(len -1); i < len; i++) {\n args[i - 1] = arguments[i];\n }\n\n listeners.fn.apply(listeners.context, args);\n } else {\n var length = listeners.length\n , j;\n\n for (i = 0; i < length; i++) {\n if (listeners[i].once) this.removeListener(event, listeners[i].fn, undefined, true);\n\n switch (len) {\n case 1: listeners[i].fn.call(listeners[i].context); break;\n case 2: listeners[i].fn.call(listeners[i].context, a1); break;\n case 3: listeners[i].fn.call(listeners[i].context, a1, a2); break;\n case 4: listeners[i].fn.call(listeners[i].context, a1, a2, a3); break;\n default:\n if (!args) for (j = 1, args = new Array(len -1); j < len; j++) {\n args[j - 1] = arguments[j];\n }\n\n listeners[i].fn.apply(listeners[i].context, args);\n }\n }\n }\n\n return true;\n};\n\n/**\n * Add a listener for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} [context=this] The context to invoke the listener with.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.on = function on(event, fn, context) {\n return addListener(this, event, fn, context, false);\n};\n\n/**\n * Add a one-time listener for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} [context=this] The context to invoke the listener with.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.once = function once(event, fn, context) {\n return addListener(this, event, fn, context, true);\n};\n\n/**\n * Remove the listeners of a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn Only remove the listeners that match this function.\n * @param {*} context Only remove the listeners that have this context.\n * @param {Boolean} once Only remove one-time listeners.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.removeListener = function removeListener(event, fn, context, once) {\n var evt = prefix ? prefix + event : event;\n\n if (!this._events[evt]) return this;\n if (!fn) {\n clearEvent(this, evt);\n return this;\n }\n\n var listeners = this._events[evt];\n\n if (listeners.fn) {\n if (\n listeners.fn === fn &&\n (!once || listeners.once) &&\n (!context || listeners.context === context)\n ) {\n clearEvent(this, evt);\n }\n } else {\n for (var i = 0, events = [], length = listeners.length; i < length; i++) {\n if (\n listeners[i].fn !== fn ||\n (once && !listeners[i].once) ||\n (context && listeners[i].context !== context)\n ) {\n events.push(listeners[i]);\n }\n }\n\n //\n // Reset the array, or remove it completely if we have no more listeners.\n //\n if (events.length) this._events[evt] = events.length === 1 ? events[0] : events;\n else clearEvent(this, evt);\n }\n\n return this;\n};\n\n/**\n * Remove all listeners, or those of the specified event.\n *\n * @param {(String|Symbol)} [event] The event name.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.removeAllListeners = function removeAllListeners(event) {\n var evt;\n\n if (event) {\n evt = prefix ? prefix + event : event;\n if (this._events[evt]) clearEvent(this, evt);\n } else {\n this._events = new Events();\n this._eventsCount = 0;\n }\n\n return this;\n};\n\n//\n// Alias methods names because people roll like that.\n//\nEventEmitter.prototype.off = EventEmitter.prototype.removeListener;\nEventEmitter.prototype.addListener = EventEmitter.prototype.on;\n\n//\n// Expose the prefix.\n//\nEventEmitter.prefixed = prefix;\n\n//\n// Allow `EventEmitter` to be imported as module namespace.\n//\nEventEmitter.EventEmitter = EventEmitter;\n\n//\n// Expose the module.\n//\nif ('undefined' !== typeof module) {\n module.exports = EventEmitter;\n}\n","/**\n * ADTS parser helper\n * @link https://wiki.multimedia.cx/index.php?title=ADTS\n */\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\nimport Event from '../events';\n\nimport { getSelfScope } from '../utils/get-self-scope';\n\nexport function getAudioConfig (observer, data, offset, audioCodec) {\n let adtsObjectType, // :int\n adtsSampleingIndex, // :int\n adtsExtensionSampleingIndex, // :int\n adtsChanelConfig, // :int\n config,\n userAgent = navigator.userAgent.toLowerCase(),\n manifestCodec = audioCodec,\n adtsSampleingRates = [\n 96000, 88200,\n 64000, 48000,\n 44100, 32000,\n 24000, 22050,\n 16000, 12000,\n 11025, 8000,\n 7350];\n // byte 2\n adtsObjectType = ((data[offset + 2] & 0xC0) >>> 6) + 1;\n adtsSampleingIndex = ((data[offset + 2] & 0x3C) >>> 2);\n if (adtsSampleingIndex > adtsSampleingRates.length - 1) {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: true, reason: `invalid ADTS sampling index:${adtsSampleingIndex}` });\n return;\n }\n adtsChanelConfig = ((data[offset + 2] & 0x01) << 2);\n // byte 3\n adtsChanelConfig |= ((data[offset + 3] & 0xC0) >>> 6);\n logger.log(`manifest codec:${audioCodec},ADTS data:type:${adtsObjectType},sampleingIndex:${adtsSampleingIndex}[${adtsSampleingRates[adtsSampleingIndex]}Hz],channelConfig:${adtsChanelConfig}`);\n // firefox: freq less than 24kHz = AAC SBR (HE-AAC)\n if (/firefox/i.test(userAgent)) {\n if (adtsSampleingIndex >= 6) {\n adtsObjectType = 5;\n config = new Array(4);\n // HE-AAC uses SBR (Spectral Band Replication) , high frequencies are constructed from low frequencies\n // there is a factor 2 between frame sample rate and output sample rate\n // multiply frequency by 2 (see table below, equivalent to substract 3)\n adtsExtensionSampleingIndex = adtsSampleingIndex - 3;\n } else {\n adtsObjectType = 2;\n config = new Array(2);\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n }\n // Android : always use AAC\n } else if (userAgent.indexOf('android') !== -1) {\n adtsObjectType = 2;\n config = new Array(2);\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n } else {\n /* for other browsers (Chrome/Vivaldi/Opera ...)\n always force audio type to be HE-AAC SBR, as some browsers do not support audio codec switch properly (like Chrome ...)\n */\n adtsObjectType = 5;\n config = new Array(4);\n // if (manifest codec is HE-AAC or HE-AACv2) OR (manifest codec not specified AND frequency less than 24kHz)\n if ((audioCodec && ((audioCodec.indexOf('mp4a.40.29') !== -1) ||\n (audioCodec.indexOf('mp4a.40.5') !== -1))) ||\n (!audioCodec && adtsSampleingIndex >= 6)) {\n // HE-AAC uses SBR (Spectral Band Replication) , high frequencies are constructed from low frequencies\n // there is a factor 2 between frame sample rate and output sample rate\n // multiply frequency by 2 (see table below, equivalent to substract 3)\n adtsExtensionSampleingIndex = adtsSampleingIndex - 3;\n } else {\n // if (manifest codec is AAC) AND (frequency less than 24kHz AND nb channel is 1) OR (manifest codec not specified and mono audio)\n // Chrome fails to play back with low frequency AAC LC mono when initialized with HE-AAC. This is not a problem with stereo.\n if (audioCodec && audioCodec.indexOf('mp4a.40.2') !== -1 && ((adtsSampleingIndex >= 6 && adtsChanelConfig === 1) ||\n /vivaldi/i.test(userAgent)) ||\n (!audioCodec && adtsChanelConfig === 1)) {\n adtsObjectType = 2;\n config = new Array(2);\n }\n adtsExtensionSampleingIndex = adtsSampleingIndex;\n }\n }\n /* refer to http://wiki.multimedia.cx/index.php?title=MPEG-4_Audio#Audio_Specific_Config\n ISO 14496-3 (AAC).pdf - Table 1.13 — Syntax of AudioSpecificConfig()\n Audio Profile / Audio Object Type\n 0: Null\n 1: AAC Main\n 2: AAC LC (Low Complexity)\n 3: AAC SSR (Scalable Sample Rate)\n 4: AAC LTP (Long Term Prediction)\n 5: SBR (Spectral Band Replication)\n 6: AAC Scalable\n sampling freq\n 0: 96000 Hz\n 1: 88200 Hz\n 2: 64000 Hz\n 3: 48000 Hz\n 4: 44100 Hz\n 5: 32000 Hz\n 6: 24000 Hz\n 7: 22050 Hz\n 8: 16000 Hz\n 9: 12000 Hz\n 10: 11025 Hz\n 11: 8000 Hz\n 12: 7350 Hz\n 13: Reserved\n 14: Reserved\n 15: frequency is written explictly\n Channel Configurations\n These are the channel configurations:\n 0: Defined in AOT Specifc Config\n 1: 1 channel: front-center\n 2: 2 channels: front-left, front-right\n */\n // audioObjectType = profile => profile, the MPEG-4 Audio Object Type minus 1\n config[0] = adtsObjectType << 3;\n // samplingFrequencyIndex\n config[0] |= (adtsSampleingIndex & 0x0E) >> 1;\n config[1] |= (adtsSampleingIndex & 0x01) << 7;\n // channelConfiguration\n config[1] |= adtsChanelConfig << 3;\n if (adtsObjectType === 5) {\n // adtsExtensionSampleingIndex\n config[1] |= (adtsExtensionSampleingIndex & 0x0E) >> 1;\n config[2] = (adtsExtensionSampleingIndex & 0x01) << 7;\n // adtsObjectType (force to 2, chrome is checking that object type is less than 5 ???\n // https://chromium.googlesource.com/chromium/src.git/+/master/media/formats/mp4/aac.cc\n config[2] |= 2 << 2;\n config[3] = 0;\n }\n return { config: config, samplerate: adtsSampleingRates[adtsSampleingIndex], channelCount: adtsChanelConfig, codec: ('mp4a.40.' + adtsObjectType), manifestCodec: manifestCodec };\n}\n\nexport function isHeaderPattern (data, offset) {\n return data[offset] === 0xff && (data[offset + 1] & 0xf6) === 0xf0;\n}\n\nexport function getHeaderLength (data, offset) {\n return (data[offset + 1] & 0x01 ? 7 : 9);\n}\n\nexport function getFullFrameLength (data, offset) {\n return ((data[offset + 3] & 0x03) << 11) |\n (data[offset + 4] << 3) |\n ((data[offset + 5] & 0xE0) >>> 5);\n}\n\nexport function isHeader (data, offset) {\n // Look for ADTS header | 1111 1111 | 1111 X00X | where X can be either 0 or 1\n // Layer bits (position 14 and 15) in header should be always 0 for ADTS\n // More info https://wiki.multimedia.cx/index.php?title=ADTS\n if (offset + 1 < data.length && isHeaderPattern(data, offset)) {\n return true;\n }\n\n return false;\n}\n\nexport function probe (data, offset) {\n // same as isHeader but we also check that ADTS frame follows last ADTS frame\n // or end of data is reached\n if (isHeader(data, offset)) {\n // ADTS header Length\n let headerLength = getHeaderLength(data, offset);\n // ADTS frame Length\n let frameLength = headerLength;\n if (offset + 5 < data.length) {\n frameLength = getFullFrameLength(data, offset);\n }\n\n let newOffset = offset + frameLength;\n if (newOffset === data.length || (newOffset + 1 < data.length && isHeaderPattern(data, newOffset))) {\n return true;\n }\n }\n return false;\n}\n\nexport function initTrackConfig (track, observer, data, offset, audioCodec) {\n if (!track.samplerate) {\n let config = getAudioConfig(observer, data, offset, audioCodec);\n track.config = config.config;\n track.samplerate = config.samplerate;\n track.channelCount = config.channelCount;\n track.codec = config.codec;\n track.manifestCodec = config.manifestCodec;\n logger.log(`parsed codec:${track.codec},rate:${config.samplerate},nb channel:${config.channelCount}`);\n }\n}\n\nexport function getFrameDuration (samplerate) {\n return 1024 * 90000 / samplerate;\n}\n\nexport function parseFrameHeader (data, offset, pts, frameIndex, frameDuration) {\n let headerLength, frameLength, stamp;\n let length = data.length;\n\n // The protection skip bit tells us if we have 2 bytes of CRC data at the end of the ADTS header\n headerLength = getHeaderLength(data, offset);\n // retrieve frame size\n frameLength = getFullFrameLength(data, offset);\n frameLength -= headerLength;\n\n if ((frameLength > 0) && ((offset + headerLength + frameLength) <= length)) {\n stamp = pts + frameIndex * frameDuration;\n // logger.log(`AAC frame, offset/length/total/pts:${offset+headerLength}/${frameLength}/${data.byteLength}/${(stamp/90).toFixed(0)}`);\n return { headerLength, frameLength, stamp };\n }\n\n return undefined;\n}\n\nexport function appendFrame (track, data, offset, pts, frameIndex) {\n let frameDuration = getFrameDuration(track.samplerate);\n let header = parseFrameHeader(data, offset, pts, frameIndex, frameDuration);\n if (header) {\n let stamp = header.stamp;\n let headerLength = header.headerLength;\n let frameLength = header.frameLength;\n\n // logger.log(`AAC frame, offset/length/total/pts:${offset+headerLength}/${frameLength}/${data.byteLength}/${(stamp/90).toFixed(0)}`);\n let aacSample = {\n unit: data.subarray(offset + headerLength, offset + headerLength + frameLength),\n pts: stamp,\n dts: stamp\n };\n\n track.samples.push(aacSample);\n return { sample: aacSample, length: frameLength + headerLength };\n }\n\n return undefined;\n}\n","/**\n *\n * inline demuxer: probe fragments and instantiate\n * appropriate demuxer depending on content type (TSDemuxer, AACDemuxer, ...)\n *\n */\n\nimport Event from '../events';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport Decrypter from '../crypt/decrypter';\nimport AACDemuxer from '../demux/aacdemuxer';\nimport MP4Demuxer from '../demux/mp4demuxer';\nimport TSDemuxer from '../demux/tsdemuxer';\nimport MP3Demuxer from '../demux/mp3demuxer';\nimport MP4Remuxer from '../remux/mp4-remuxer';\nimport PassThroughRemuxer from '../remux/passthrough-remuxer';\n\nimport { getSelfScope } from '../utils/get-self-scope';\nimport { logger } from '../utils/logger';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\n\nlet now;\n// performance.now() not available on WebWorker, at least on Safari Desktop\ntry {\n now = global.performance.now.bind(global.performance);\n} catch (err) {\n logger.debug('Unable to use Performance API on this environment');\n now = global.Date.now;\n}\n\nclass DemuxerInline {\n constructor (observer, typeSupported, config, vendor) {\n this.observer = observer;\n this.typeSupported = typeSupported;\n this.config = config;\n this.vendor = vendor;\n }\n\n destroy () {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.destroy();\n }\n }\n\n push (data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) {\n if ((data.byteLength > 0) && (decryptdata != null) && (decryptdata.key != null) && (decryptdata.method === 'AES-128')) {\n let decrypter = this.decrypter;\n if (decrypter == null) {\n decrypter = this.decrypter = new Decrypter(this.observer, this.config);\n }\n\n const startTime = now();\n decrypter.decrypt(data, decryptdata.key.buffer, decryptdata.iv.buffer, (decryptedData) => {\n const endTime = now();\n this.observer.trigger(Event.FRAG_DECRYPTED, { stats: { tstart: startTime, tdecrypt: endTime } });\n this.pushDecrypted(new Uint8Array(decryptedData), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n });\n } else {\n this.pushDecrypted(new Uint8Array(data), decryptdata, new Uint8Array(initSegment), audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n }\n }\n\n pushDecrypted (data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS) {\n let demuxer = this.demuxer;\n if (!demuxer ||\n // in case of continuity change, or track switch\n // we might switch from content type (AAC container to TS container, or TS to fmp4 for example)\n // so let's check that current demuxer is still valid\n ((discontinuity || trackSwitch) && !this.probe(data))) {\n const observer = this.observer;\n const typeSupported = this.typeSupported;\n const config = this.config;\n // probing order is TS/MP4/AAC/MP3\n const muxConfig = [\n { demux: TSDemuxer, remux: MP4Remuxer },\n { demux: MP4Demuxer, remux: PassThroughRemuxer },\n { demux: AACDemuxer, remux: MP4Remuxer },\n { demux: MP3Demuxer, remux: MP4Remuxer }\n ];\n\n // probe for content type\n for (let i = 0, len = muxConfig.length; i < len; i++) {\n const mux = muxConfig[i];\n const probe = mux.demux.probe;\n if (probe(data)) {\n const remuxer = this.remuxer = new mux.remux(observer, config, typeSupported, this.vendor);\n demuxer = new mux.demux(observer, remuxer, config, typeSupported);\n this.probe = probe;\n break;\n }\n }\n if (!demuxer) {\n observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: true, reason: 'no demux matching with content found' });\n return;\n }\n this.demuxer = demuxer;\n }\n const remuxer = this.remuxer;\n\n if (discontinuity || trackSwitch) {\n demuxer.resetInitSegment(initSegment, audioCodec, videoCodec, duration);\n remuxer.resetInitSegment();\n }\n if (discontinuity) {\n demuxer.resetTimeStamp(defaultInitPTS);\n remuxer.resetTimeStamp(defaultInitPTS);\n }\n if (typeof demuxer.setDecryptData === 'function') {\n demuxer.setDecryptData(decryptdata);\n }\n\n demuxer.append(data, timeOffset, contiguous, accurateTimeOffset);\n }\n}\n\nexport default DemuxerInline;\n","/**\n * AAC demuxer\n */\nimport * as ADTS from './adts';\nimport { logger } from '../utils/logger';\nimport ID3 from '../demux/id3';\n\nclass AACDemuxer {\n constructor (observer, remuxer, config) {\n this.observer = observer;\n this.config = config;\n this.remuxer = remuxer;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this._audioTrack = { container: 'audio/adts', type: 'audio', id: 0, sequenceNumber: 0, isAAC: true, samples: [], len: 0, manifestCodec: audioCodec, duration: duration, inputTimeScale: 90000 };\n }\n\n resetTimeStamp () {\n }\n\n static probe (data) {\n if (!data) {\n return false;\n }\n\n // Check for the ADTS sync word\n // Look for ADTS header | 1111 1111 | 1111 X00X | where X can be either 0 or 1\n // Layer bits (position 14 and 15) in header should be always 0 for ADTS\n // More info https://wiki.multimedia.cx/index.php?title=ADTS\n const id3Data = ID3.getID3Data(data, 0) || [];\n let offset = id3Data.length;\n\n for (let length = data.length; offset < length; offset++) {\n if (ADTS.probe(data, offset)) {\n logger.log('ADTS sync word found !');\n return true;\n }\n }\n return false;\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let track = this._audioTrack;\n let id3Data = ID3.getID3Data(data, 0) || [];\n let timestamp = ID3.getTimeStamp(id3Data);\n let pts = Number.isFinite(timestamp) ? timestamp * 90 : timeOffset * 90000;\n let frameIndex = 0;\n let stamp = pts;\n let length = data.length;\n let offset = id3Data.length;\n\n let id3Samples = [{ pts: stamp, dts: stamp, data: id3Data }];\n\n while (offset < length - 1) {\n if (ADTS.isHeader(data, offset) && (offset + 5) < length) {\n ADTS.initTrackConfig(track, this.observer, data, offset, track.manifestCodec);\n let frame = ADTS.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n } else {\n logger.log('Unable to parse AAC frame');\n break;\n }\n } else if (ID3.isHeader(data, offset)) {\n id3Data = ID3.getID3Data(data, offset);\n id3Samples.push({ pts: stamp, dts: stamp, data: id3Data });\n offset += id3Data.length;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n this.remuxer.remux(track,\n { samples: [] },\n { samples: id3Samples, inputTimeScale: 90000 },\n { samples: [] },\n timeOffset,\n contiguous,\n accurateTimeOffset);\n }\n\n destroy () {\n }\n}\n\nexport default AACDemuxer;\n","/**\n * MPEG parser helper\n */\n\nconst MpegAudio = {\n\n BitratesMap: [\n 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448,\n 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384,\n 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320,\n 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256,\n 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160],\n\n SamplingRateMap: [44100, 48000, 32000, 22050, 24000, 16000, 11025, 12000, 8000],\n\n SamplesCoefficients: [\n // MPEG 2.5\n [\n 0, // Reserved\n 72, // Layer3\n 144, // Layer2\n 12 // Layer1\n ],\n // Reserved\n [\n 0, // Reserved\n 0, // Layer3\n 0, // Layer2\n 0 // Layer1\n ],\n // MPEG 2\n [\n 0, // Reserved\n 72, // Layer3\n 144, // Layer2\n 12 // Layer1\n ],\n // MPEG 1\n [\n 0, // Reserved\n 144, // Layer3\n 144, // Layer2\n 12 // Layer1\n ]\n ],\n\n BytesInSlot: [\n 0, // Reserved\n 1, // Layer3\n 1, // Layer2\n 4 // Layer1\n ],\n\n appendFrame: function (track, data, offset, pts, frameIndex) {\n // Using http://www.datavoyage.com/mpgscript/mpeghdr.htm as a reference\n if (offset + 24 > data.length) {\n return undefined;\n }\n\n let header = this.parseHeader(data, offset);\n if (header && offset + header.frameLength <= data.length) {\n let frameDuration = header.samplesPerFrame * 90000 / header.sampleRate;\n let stamp = pts + frameIndex * frameDuration;\n let sample = { unit: data.subarray(offset, offset + header.frameLength), pts: stamp, dts: stamp };\n\n track.config = [];\n track.channelCount = header.channelCount;\n track.samplerate = header.sampleRate;\n track.samples.push(sample);\n\n return { sample, length: header.frameLength };\n }\n\n return undefined;\n },\n\n parseHeader: function (data, offset) {\n let headerB = (data[offset + 1] >> 3) & 3;\n let headerC = (data[offset + 1] >> 1) & 3;\n let headerE = (data[offset + 2] >> 4) & 15;\n let headerF = (data[offset + 2] >> 2) & 3;\n let headerG = (data[offset + 2] >> 1) & 1;\n if (headerB !== 1 && headerE !== 0 && headerE !== 15 && headerF !== 3) {\n let columnInBitrates = headerB === 3 ? (3 - headerC) : (headerC === 3 ? 3 : 4);\n let bitRate = MpegAudio.BitratesMap[columnInBitrates * 14 + headerE - 1] * 1000;\n let columnInSampleRates = headerB === 3 ? 0 : headerB === 2 ? 1 : 2;\n let sampleRate = MpegAudio.SamplingRateMap[columnInSampleRates * 3 + headerF];\n let channelCount = data[offset + 3] >> 6 === 3 ? 1 : 2; // If bits of channel mode are `11` then it is a single channel (Mono)\n let sampleCoefficient = MpegAudio.SamplesCoefficients[headerB][headerC];\n let bytesInSlot = MpegAudio.BytesInSlot[headerC];\n let samplesPerFrame = sampleCoefficient * 8 * bytesInSlot;\n let frameLength = parseInt(sampleCoefficient * bitRate / sampleRate + headerG, 10) * bytesInSlot;\n\n return { sampleRate, channelCount, frameLength, samplesPerFrame };\n }\n\n return undefined;\n },\n\n isHeaderPattern: function (data, offset) {\n return data[offset] === 0xff && (data[offset + 1] & 0xe0) === 0xe0 && (data[offset + 1] & 0x06) !== 0x00;\n },\n\n isHeader: function (data, offset) {\n // Look for MPEG header | 1111 1111 | 111X XYZX | where X can be either 0 or 1 and Y or Z should be 1\n // Layer bits (position 14 and 15) in header should be always different from 0 (Layer I or Layer II or Layer III)\n // More info http://www.mp3-tech.org/programmer/frame_header.html\n if (offset + 1 < data.length && this.isHeaderPattern(data, offset)) {\n return true;\n }\n\n return false;\n },\n\n probe: function (data, offset) {\n // same as isHeader but we also check that MPEG frame follows last MPEG frame\n // or end of data is reached\n if (offset + 1 < data.length && this.isHeaderPattern(data, offset)) {\n // MPEG header Length\n let headerLength = 4;\n // MPEG frame Length\n let header = this.parseHeader(data, offset);\n let frameLength = headerLength;\n if (header && header.frameLength) {\n frameLength = header.frameLength;\n }\n\n let newOffset = offset + frameLength;\n if (newOffset === data.length || (newOffset + 1 < data.length && this.isHeaderPattern(data, newOffset))) {\n return true;\n }\n }\n return false;\n }\n};\n\nexport default MpegAudio;\n","/**\n * Parser for exponential Golomb codes, a variable-bitwidth number encoding scheme used by h264.\n*/\n\nimport { logger } from '../utils/logger';\n\nclass ExpGolomb {\n constructor (data) {\n this.data = data;\n // the number of bytes left to examine in this.data\n this.bytesAvailable = data.byteLength;\n // the current word being examined\n this.word = 0; // :uint\n // the number of bits left to examine in the current word\n this.bitsAvailable = 0; // :uint\n }\n\n // ():void\n loadWord () {\n let\n data = this.data,\n bytesAvailable = this.bytesAvailable,\n position = data.byteLength - bytesAvailable,\n workingBytes = new Uint8Array(4),\n availableBytes = Math.min(4, bytesAvailable);\n if (availableBytes === 0) {\n throw new Error('no bytes available');\n }\n\n workingBytes.set(data.subarray(position, position + availableBytes));\n this.word = new DataView(workingBytes.buffer).getUint32(0);\n // track the amount of this.data that has been processed\n this.bitsAvailable = availableBytes * 8;\n this.bytesAvailable -= availableBytes;\n }\n\n // (count:int):void\n skipBits (count) {\n let skipBytes; // :int\n if (this.bitsAvailable > count) {\n this.word <<= count;\n this.bitsAvailable -= count;\n } else {\n count -= this.bitsAvailable;\n skipBytes = count >> 3;\n count -= (skipBytes >> 3);\n this.bytesAvailable -= skipBytes;\n this.loadWord();\n this.word <<= count;\n this.bitsAvailable -= count;\n }\n }\n\n // (size:int):uint\n readBits (size) {\n let\n bits = Math.min(this.bitsAvailable, size), // :uint\n valu = this.word >>> (32 - bits); // :uint\n if (size > 32) {\n logger.error('Cannot read more than 32 bits at a time');\n }\n\n this.bitsAvailable -= bits;\n if (this.bitsAvailable > 0) {\n this.word <<= bits;\n } else if (this.bytesAvailable > 0) {\n this.loadWord();\n }\n\n bits = size - bits;\n if (bits > 0 && this.bitsAvailable) {\n return valu << bits | this.readBits(bits);\n } else {\n return valu;\n }\n }\n\n // ():uint\n skipLZ () {\n let leadingZeroCount; // :uint\n for (leadingZeroCount = 0; leadingZeroCount < this.bitsAvailable; ++leadingZeroCount) {\n if ((this.word & (0x80000000 >>> leadingZeroCount)) !== 0) {\n // the first bit of working word is 1\n this.word <<= leadingZeroCount;\n this.bitsAvailable -= leadingZeroCount;\n return leadingZeroCount;\n }\n }\n // we exhausted word and still have not found a 1\n this.loadWord();\n return leadingZeroCount + this.skipLZ();\n }\n\n // ():void\n skipUEG () {\n this.skipBits(1 + this.skipLZ());\n }\n\n // ():void\n skipEG () {\n this.skipBits(1 + this.skipLZ());\n }\n\n // ():uint\n readUEG () {\n let clz = this.skipLZ(); // :uint\n return this.readBits(clz + 1) - 1;\n }\n\n // ():int\n readEG () {\n let valu = this.readUEG(); // :int\n if (0x01 & valu) {\n // the number is odd if the low order bit is set\n return (1 + valu) >>> 1; // add 1 to make it even, and divide by 2\n } else {\n return -1 * (valu >>> 1); // divide by two then make it negative\n }\n }\n\n // Some convenience functions\n // :Boolean\n readBoolean () {\n return this.readBits(1) === 1;\n }\n\n // ():int\n readUByte () {\n return this.readBits(8);\n }\n\n // ():int\n readUShort () {\n return this.readBits(16);\n }\n // ():int\n readUInt () {\n return this.readBits(32);\n }\n\n /**\n * Advance the ExpGolomb decoder past a scaling list. The scaling\n * list is optionally transmitted as part of a sequence parameter\n * set and is not relevant to transmuxing.\n * @param count {number} the number of entries in this scaling list\n * @see Recommendation ITU-T H.264, Section 7.3.2.1.1.1\n */\n skipScalingList (count) {\n let\n lastScale = 8,\n nextScale = 8,\n j,\n deltaScale;\n for (j = 0; j < count; j++) {\n if (nextScale !== 0) {\n deltaScale = this.readEG();\n nextScale = (lastScale + deltaScale + 256) % 256;\n }\n lastScale = (nextScale === 0) ? lastScale : nextScale;\n }\n }\n\n /**\n * Read a sequence parameter set and return some interesting video\n * properties. A sequence parameter set is the H264 metadata that\n * describes the properties of upcoming video frames.\n * @param data {Uint8Array} the bytes of a sequence parameter set\n * @return {object} an object with configuration parsed from the\n * sequence parameter set, including the dimensions of the\n * associated video frames.\n */\n readSPS () {\n let\n frameCropLeftOffset = 0,\n frameCropRightOffset = 0,\n frameCropTopOffset = 0,\n frameCropBottomOffset = 0,\n profileIdc, profileCompat, levelIdc,\n numRefFramesInPicOrderCntCycle, picWidthInMbsMinus1,\n picHeightInMapUnitsMinus1,\n frameMbsOnlyFlag,\n scalingListCount,\n i,\n readUByte = this.readUByte.bind(this),\n readBits = this.readBits.bind(this),\n readUEG = this.readUEG.bind(this),\n readBoolean = this.readBoolean.bind(this),\n skipBits = this.skipBits.bind(this),\n skipEG = this.skipEG.bind(this),\n skipUEG = this.skipUEG.bind(this),\n skipScalingList = this.skipScalingList.bind(this);\n\n readUByte();\n profileIdc = readUByte(); // profile_idc\n profileCompat = readBits(5); // constraint_set[0-4]_flag, u(5)\n skipBits(3); // reserved_zero_3bits u(3),\n levelIdc = readUByte(); // level_idc u(8)\n skipUEG(); // seq_parameter_set_id\n // some profiles have more optional data we don't need\n if (profileIdc === 100 ||\n profileIdc === 110 ||\n profileIdc === 122 ||\n profileIdc === 244 ||\n profileIdc === 44 ||\n profileIdc === 83 ||\n profileIdc === 86 ||\n profileIdc === 118 ||\n profileIdc === 128) {\n let chromaFormatIdc = readUEG();\n if (chromaFormatIdc === 3) {\n skipBits(1);\n } // separate_colour_plane_flag\n\n skipUEG(); // bit_depth_luma_minus8\n skipUEG(); // bit_depth_chroma_minus8\n skipBits(1); // qpprime_y_zero_transform_bypass_flag\n if (readBoolean()) { // seq_scaling_matrix_present_flag\n scalingListCount = (chromaFormatIdc !== 3) ? 8 : 12;\n for (i = 0; i < scalingListCount; i++) {\n if (readBoolean()) { // seq_scaling_list_present_flag[ i ]\n if (i < 6) {\n skipScalingList(16);\n } else {\n skipScalingList(64);\n }\n }\n }\n }\n }\n skipUEG(); // log2_max_frame_num_minus4\n let picOrderCntType = readUEG();\n if (picOrderCntType === 0) {\n readUEG(); // log2_max_pic_order_cnt_lsb_minus4\n } else if (picOrderCntType === 1) {\n skipBits(1); // delta_pic_order_always_zero_flag\n skipEG(); // offset_for_non_ref_pic\n skipEG(); // offset_for_top_to_bottom_field\n numRefFramesInPicOrderCntCycle = readUEG();\n for (i = 0; i < numRefFramesInPicOrderCntCycle; i++) {\n skipEG();\n } // offset_for_ref_frame[ i ]\n }\n skipUEG(); // max_num_ref_frames\n skipBits(1); // gaps_in_frame_num_value_allowed_flag\n picWidthInMbsMinus1 = readUEG();\n picHeightInMapUnitsMinus1 = readUEG();\n frameMbsOnlyFlag = readBits(1);\n if (frameMbsOnlyFlag === 0) {\n skipBits(1);\n } // mb_adaptive_frame_field_flag\n\n skipBits(1); // direct_8x8_inference_flag\n if (readBoolean()) { // frame_cropping_flag\n frameCropLeftOffset = readUEG();\n frameCropRightOffset = readUEG();\n frameCropTopOffset = readUEG();\n frameCropBottomOffset = readUEG();\n }\n let pixelRatio = [1, 1];\n if (readBoolean()) {\n // vui_parameters_present_flag\n if (readBoolean()) {\n // aspect_ratio_info_present_flag\n const aspectRatioIdc = readUByte();\n switch (aspectRatioIdc) {\n case 1: pixelRatio = [1, 1]; break;\n case 2: pixelRatio = [12, 11]; break;\n case 3: pixelRatio = [10, 11]; break;\n case 4: pixelRatio = [16, 11]; break;\n case 5: pixelRatio = [40, 33]; break;\n case 6: pixelRatio = [24, 11]; break;\n case 7: pixelRatio = [20, 11]; break;\n case 8: pixelRatio = [32, 11]; break;\n case 9: pixelRatio = [80, 33]; break;\n case 10: pixelRatio = [18, 11]; break;\n case 11: pixelRatio = [15, 11]; break;\n case 12: pixelRatio = [64, 33]; break;\n case 13: pixelRatio = [160, 99]; break;\n case 14: pixelRatio = [4, 3]; break;\n case 15: pixelRatio = [3, 2]; break;\n case 16: pixelRatio = [2, 1]; break;\n case 255: {\n pixelRatio = [readUByte() << 8 | readUByte(), readUByte() << 8 | readUByte()];\n break;\n }\n }\n }\n }\n return {\n width: Math.ceil((((picWidthInMbsMinus1 + 1) * 16) - frameCropLeftOffset * 2 - frameCropRightOffset * 2)),\n height: ((2 - frameMbsOnlyFlag) * (picHeightInMapUnitsMinus1 + 1) * 16) - ((frameMbsOnlyFlag ? 2 : 4) * (frameCropTopOffset + frameCropBottomOffset)),\n pixelRatio: pixelRatio\n };\n }\n\n readSliceType () {\n // skip NALu type\n this.readUByte();\n // discard first_mb_in_slice\n this.readUEG();\n // return slice_type\n return this.readUEG();\n }\n}\n\nexport default ExpGolomb;\n","/**\n * SAMPLE-AES decrypter\n*/\n\nimport Decrypter from '../crypt/decrypter';\n\nclass SampleAesDecrypter {\n constructor (observer, config, decryptdata, discardEPB) {\n this.decryptdata = decryptdata;\n this.discardEPB = discardEPB;\n this.decrypter = new Decrypter(observer, config, { removePKCS7Padding: false });\n }\n\n decryptBuffer (encryptedData, callback) {\n this.decrypter.decrypt(encryptedData, this.decryptdata.key.buffer, this.decryptdata.iv.buffer, callback);\n }\n\n // AAC - encrypt all full 16 bytes blocks starting from offset 16\n decryptAacSample (samples, sampleIndex, callback, sync) {\n let curUnit = samples[sampleIndex].unit;\n let encryptedData = curUnit.subarray(16, curUnit.length - curUnit.length % 16);\n let encryptedBuffer = encryptedData.buffer.slice(\n encryptedData.byteOffset,\n encryptedData.byteOffset + encryptedData.length);\n\n let localthis = this;\n this.decryptBuffer(encryptedBuffer, function (decryptedData) {\n decryptedData = new Uint8Array(decryptedData);\n curUnit.set(decryptedData, 16);\n\n if (!sync) {\n localthis.decryptAacSamples(samples, sampleIndex + 1, callback);\n }\n });\n }\n\n decryptAacSamples (samples, sampleIndex, callback) {\n for (;; sampleIndex++) {\n if (sampleIndex >= samples.length) {\n callback();\n return;\n }\n\n if (samples[sampleIndex].unit.length < 32) {\n continue;\n }\n\n let sync = this.decrypter.isSync();\n\n this.decryptAacSample(samples, sampleIndex, callback, sync);\n\n if (!sync) {\n return;\n }\n }\n }\n\n // AVC - encrypt one 16 bytes block out of ten, starting from offset 32\n getAvcEncryptedData (decodedData) {\n let encryptedDataLen = Math.floor((decodedData.length - 48) / 160) * 16 + 16;\n let encryptedData = new Int8Array(encryptedDataLen);\n let outputPos = 0;\n for (let inputPos = 32; inputPos <= decodedData.length - 16; inputPos += 160, outputPos += 16) {\n encryptedData.set(decodedData.subarray(inputPos, inputPos + 16), outputPos);\n }\n\n return encryptedData;\n }\n\n getAvcDecryptedUnit (decodedData, decryptedData) {\n decryptedData = new Uint8Array(decryptedData);\n let inputPos = 0;\n for (let outputPos = 32; outputPos <= decodedData.length - 16; outputPos += 160, inputPos += 16) {\n decodedData.set(decryptedData.subarray(inputPos, inputPos + 16), outputPos);\n }\n\n return decodedData;\n }\n\n decryptAvcSample (samples, sampleIndex, unitIndex, callback, curUnit, sync) {\n let decodedData = this.discardEPB(curUnit.data);\n let encryptedData = this.getAvcEncryptedData(decodedData);\n let localthis = this;\n\n this.decryptBuffer(encryptedData.buffer, function (decryptedData) {\n curUnit.data = localthis.getAvcDecryptedUnit(decodedData, decryptedData);\n\n if (!sync) {\n localthis.decryptAvcSamples(samples, sampleIndex, unitIndex + 1, callback);\n }\n });\n }\n\n decryptAvcSamples (samples, sampleIndex, unitIndex, callback) {\n for (;; sampleIndex++, unitIndex = 0) {\n if (sampleIndex >= samples.length) {\n callback();\n return;\n }\n\n let curUnits = samples[sampleIndex].units;\n for (;; unitIndex++) {\n if (unitIndex >= curUnits.length) {\n break;\n }\n\n let curUnit = curUnits[unitIndex];\n if (curUnit.length <= 48 || (curUnit.type !== 1 && curUnit.type !== 5)) {\n continue;\n }\n\n let sync = this.decrypter.isSync();\n\n this.decryptAvcSample(samples, sampleIndex, unitIndex, callback, curUnit, sync);\n\n if (!sync) {\n return;\n }\n }\n }\n }\n}\n\nexport default SampleAesDecrypter;\n","/**\n * highly optimized TS demuxer:\n * parse PAT, PMT\n * extract PES packet from audio and video PIDs\n * extract AVC/H264 NAL units and AAC/ADTS samples from PES packet\n * trigger the remuxer upon parsing completion\n * it also tries to workaround as best as it can audio codec switch (HE-AAC to AAC and vice versa), without having to restart the MediaSource.\n * it also controls the remuxing process :\n * upon discontinuity or level switch detection, it will also notifies the remuxer so that it can reset its state.\n*/\n\nimport * as ADTS from './adts';\nimport MpegAudio from './mpegaudio';\nimport Event from '../events';\nimport ExpGolomb from './exp-golomb';\nimport SampleAesDecrypter from './sample-aes';\n// import Hex from '../utils/hex';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { utf8ArrayToStr } from './id3';\n\n// We are using fixed track IDs for driving the MP4 remuxer\n// instead of following the TS PIDs.\n// There is no reason not to do this and some browsers/SourceBuffer-demuxers\n// may not like if there are TrackID \"switches\"\n// See https://github.com/video-dev/hls.js/issues/1331\n// Here we are mapping our internal track types to constant MP4 track IDs\n// With MSE currently one can only have one track of each, and we are muxing\n// whatever video/audio rendition in them.\nconst RemuxerTrackIdConfig = {\n video: 1,\n audio: 2,\n id3: 3,\n text: 4\n};\n\nclass TSDemuxer {\n constructor (observer, remuxer, config, typeSupported) {\n this.observer = observer;\n this.config = config;\n this.typeSupported = typeSupported;\n this.remuxer = remuxer;\n this.sampleAes = null;\n }\n\n setDecryptData (decryptdata) {\n if ((decryptdata != null) && (decryptdata.key != null) && (decryptdata.method === 'SAMPLE-AES')) {\n this.sampleAes = new SampleAesDecrypter(this.observer, this.config, decryptdata, this.discardEPB);\n } else {\n this.sampleAes = null;\n }\n }\n\n static probe (data) {\n const syncOffset = TSDemuxer._syncOffset(data);\n if (syncOffset < 0) {\n return false;\n } else {\n if (syncOffset) {\n logger.warn(`MPEG2-TS detected but first sync word found @ offset ${syncOffset}, junk ahead ?`);\n }\n\n return true;\n }\n }\n\n static _syncOffset (data) {\n // scan 1000 first bytes\n const scanwindow = Math.min(1000, data.length - 3 * 188);\n let i = 0;\n while (i < scanwindow) {\n // a TS fragment should contain at least 3 TS packets, a PAT, a PMT, and one PID, each starting with 0x47\n if (data[i] === 0x47 && data[i + 188] === 0x47 && data[i + 2 * 188] === 0x47) {\n return i;\n } else {\n i++;\n }\n }\n return -1;\n }\n\n /**\n * Creates a track model internal to demuxer used to drive remuxing input\n *\n * @param {string} type 'audio' | 'video' | 'id3' | 'text'\n * @param {number} duration\n * @return {object} TSDemuxer's internal track model\n */\n static createTrack (type, duration) {\n return {\n container: type === 'video' || type === 'audio' ? 'video/mp2t' : undefined,\n type,\n id: RemuxerTrackIdConfig[type],\n pid: -1,\n inputTimeScale: 90000,\n sequenceNumber: 0,\n samples: [],\n dropped: type === 'video' ? 0 : undefined,\n isAAC: type === 'audio' ? true : undefined,\n duration: type === 'audio' ? duration : undefined\n };\n }\n\n /**\n * Initializes a new init segment on the demuxer/remuxer interface. Needed for discontinuities/track-switches (or at stream start)\n * Resets all internal track instances of the demuxer.\n *\n * @override Implements generic demuxing/remuxing interface (see DemuxerInline)\n * @param {object} initSegment\n * @param {string} audioCodec\n * @param {string} videoCodec\n * @param {number} duration (in TS timescale = 90kHz)\n */\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this.pmtParsed = false;\n this._pmtId = -1;\n\n this._avcTrack = TSDemuxer.createTrack('video', duration);\n this._audioTrack = TSDemuxer.createTrack('audio', duration);\n this._id3Track = TSDemuxer.createTrack('id3', duration);\n this._txtTrack = TSDemuxer.createTrack('text', duration);\n\n // flush any partial content\n this.aacOverFlow = null;\n this.aacLastPTS = null;\n this.avcSample = null;\n this.audioCodec = audioCodec;\n this.videoCodec = videoCodec;\n this._duration = duration;\n }\n\n /**\n *\n * @override\n */\n resetTimeStamp () {}\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let start, len = data.length, stt, pid, atf, offset, pes,\n unknownPIDs = false;\n this.contiguous = contiguous;\n let pmtParsed = this.pmtParsed,\n avcTrack = this._avcTrack,\n audioTrack = this._audioTrack,\n id3Track = this._id3Track,\n avcId = avcTrack.pid,\n audioId = audioTrack.pid,\n id3Id = id3Track.pid,\n pmtId = this._pmtId,\n avcData = avcTrack.pesData,\n audioData = audioTrack.pesData,\n id3Data = id3Track.pesData,\n parsePAT = this._parsePAT,\n parsePMT = this._parsePMT,\n parsePES = this._parsePES,\n parseAVCPES = this._parseAVCPES.bind(this),\n parseAACPES = this._parseAACPES.bind(this),\n parseMPEGPES = this._parseMPEGPES.bind(this),\n parseID3PES = this._parseID3PES.bind(this);\n\n const syncOffset = TSDemuxer._syncOffset(data);\n\n // don't parse last TS packet if incomplete\n len -= (len + syncOffset) % 188;\n\n // loop through TS packets\n for (start = syncOffset; start < len; start += 188) {\n if (data[start] === 0x47) {\n stt = !!(data[start + 1] & 0x40);\n // pid is a 13-bit field starting at the last bit of TS[1]\n pid = ((data[start + 1] & 0x1f) << 8) + data[start + 2];\n atf = (data[start + 3] & 0x30) >> 4;\n // if an adaption field is present, its length is specified by the fifth byte of the TS packet header.\n if (atf > 1) {\n offset = start + 5 + data[start + 4];\n // continue if there is only adaptation field\n if (offset === (start + 188)) {\n continue;\n }\n } else {\n offset = start + 4;\n }\n switch (pid) {\n case avcId:\n if (stt) {\n if (avcData && (pes = parsePES(avcData))) {\n parseAVCPES(pes, false);\n }\n\n avcData = { data: [], size: 0 };\n }\n if (avcData) {\n avcData.data.push(data.subarray(offset, start + 188));\n avcData.size += start + 188 - offset;\n }\n break;\n case audioId:\n if (stt) {\n if (audioData && (pes = parsePES(audioData))) {\n if (audioTrack.isAAC) {\n parseAACPES(pes);\n } else {\n parseMPEGPES(pes);\n }\n }\n audioData = { data: [], size: 0 };\n }\n if (audioData) {\n audioData.data.push(data.subarray(offset, start + 188));\n audioData.size += start + 188 - offset;\n }\n break;\n case id3Id:\n if (stt) {\n if (id3Data && (pes = parsePES(id3Data))) {\n parseID3PES(pes);\n }\n\n id3Data = { data: [], size: 0 };\n }\n if (id3Data) {\n id3Data.data.push(data.subarray(offset, start + 188));\n id3Data.size += start + 188 - offset;\n }\n break;\n case 0:\n if (stt) {\n offset += data[offset] + 1;\n }\n\n pmtId = this._pmtId = parsePAT(data, offset);\n break;\n case pmtId:\n if (stt) {\n offset += data[offset] + 1;\n }\n\n let parsedPIDs = parsePMT(data, offset, this.typeSupported.mpeg === true || this.typeSupported.mp3 === true, this.sampleAes != null);\n\n // only update track id if track PID found while parsing PMT\n // this is to avoid resetting the PID to -1 in case\n // track PID transiently disappears from the stream\n // this could happen in case of transient missing audio samples for example\n // NOTE this is only the PID of the track as found in TS,\n // but we are not using this for MP4 track IDs.\n avcId = parsedPIDs.avc;\n if (avcId > 0) {\n avcTrack.pid = avcId;\n }\n\n audioId = parsedPIDs.audio;\n if (audioId > 0) {\n audioTrack.pid = audioId;\n audioTrack.isAAC = parsedPIDs.isAAC;\n }\n id3Id = parsedPIDs.id3;\n if (id3Id > 0) {\n id3Track.pid = id3Id;\n }\n\n if (unknownPIDs && !pmtParsed) {\n logger.log('reparse from beginning');\n unknownPIDs = false;\n // we set it to -188, the += 188 in the for loop will reset start to 0\n start = syncOffset - 188;\n }\n pmtParsed = this.pmtParsed = true;\n break;\n case 17:\n case 0x1fff:\n break;\n default:\n unknownPIDs = true;\n break;\n }\n } else {\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: false, reason: 'TS packet did not start with 0x47' });\n }\n }\n // try to parse last PES packets\n if (avcData && (pes = parsePES(avcData))) {\n parseAVCPES(pes, true);\n avcTrack.pesData = null;\n } else {\n // either avcData null or PES truncated, keep it for next frag parsing\n avcTrack.pesData = avcData;\n }\n\n if (audioData && (pes = parsePES(audioData))) {\n if (audioTrack.isAAC) {\n parseAACPES(pes);\n } else {\n parseMPEGPES(pes);\n }\n\n audioTrack.pesData = null;\n } else {\n if (audioData && audioData.size) {\n logger.log('last AAC PES packet truncated,might overlap between fragments');\n }\n\n // either audioData null or PES truncated, keep it for next frag parsing\n audioTrack.pesData = audioData;\n }\n\n if (id3Data && (pes = parsePES(id3Data))) {\n parseID3PES(pes);\n id3Track.pesData = null;\n } else {\n // either id3Data null or PES truncated, keep it for next frag parsing\n id3Track.pesData = id3Data;\n }\n\n if (this.sampleAes == null) {\n this.remuxer.remux(audioTrack, avcTrack, id3Track, this._txtTrack, timeOffset, contiguous, accurateTimeOffset);\n } else {\n this.decryptAndRemux(audioTrack, avcTrack, id3Track, this._txtTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n decryptAndRemux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n if (audioTrack.samples && audioTrack.isAAC) {\n let localthis = this;\n this.sampleAes.decryptAacSamples(audioTrack.samples, 0, function () {\n localthis.decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n });\n } else {\n this.decryptAndRemuxAvc(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n decryptAndRemuxAvc (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset) {\n if (videoTrack.samples) {\n let localthis = this;\n this.sampleAes.decryptAvcSamples(videoTrack.samples, 0, 0, function () {\n localthis.remuxer.remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n });\n } else {\n this.remuxer.remux(audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset);\n }\n }\n\n destroy () {\n this._initPTS = this._initDTS = undefined;\n this._duration = 0;\n }\n\n _parsePAT (data, offset) {\n // skip the PSI header and parse the first PMT entry\n return (data[offset + 10] & 0x1F) << 8 | data[offset + 11];\n // logger.log('PMT PID:' + this._pmtId);\n }\n\n _parsePMT (data, offset, mpegSupported, isSampleAes) {\n let sectionLength, tableEnd, programInfoLength, pid, result = { audio: -1, avc: -1, id3: -1, isAAC: true };\n sectionLength = (data[offset + 1] & 0x0f) << 8 | data[offset + 2];\n tableEnd = offset + 3 + sectionLength - 4;\n // to determine where the table is, we have to figure out how\n // long the program info descriptors are\n programInfoLength = (data[offset + 10] & 0x0f) << 8 | data[offset + 11];\n // advance the offset to the first entry in the mapping table\n offset += 12 + programInfoLength;\n while (offset < tableEnd) {\n pid = (data[offset + 1] & 0x1F) << 8 | data[offset + 2];\n switch (data[offset]) {\n case 0xcf: // SAMPLE-AES AAC\n if (!isSampleAes) {\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n /* falls through */\n\n // ISO/IEC 13818-7 ADTS AAC (MPEG-2 lower bit-rate audio)\n case 0x0f:\n // logger.log('AAC PID:' + pid);\n if (result.audio === -1) {\n result.audio = pid;\n }\n\n break;\n\n // Packetized metadata (ID3)\n case 0x15:\n // logger.log('ID3 PID:' + pid);\n if (result.id3 === -1) {\n result.id3 = pid;\n }\n\n break;\n\n case 0xdb: // SAMPLE-AES AVC\n if (!isSampleAes) {\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n /* falls through */\n\n // ITU-T Rec. H.264 and ISO/IEC 14496-10 (lower bit-rate video)\n case 0x1b:\n // logger.log('AVC PID:' + pid);\n if (result.avc === -1) {\n result.avc = pid;\n }\n\n break;\n\n // ISO/IEC 11172-3 (MPEG-1 audio)\n // or ISO/IEC 13818-3 (MPEG-2 halved sample rate audio)\n case 0x03:\n case 0x04:\n // logger.log('MPEG PID:' + pid);\n if (!mpegSupported) {\n logger.log('MPEG audio found, not supported in this browser for now');\n } else if (result.audio === -1) {\n result.audio = pid;\n result.isAAC = false;\n }\n break;\n\n case 0x24:\n logger.warn('HEVC stream type found, not supported for now');\n break;\n\n default:\n logger.log('unknown stream type:' + data[offset]);\n break;\n }\n // move to the next table entry\n // skip past the elementary stream descriptors, if present\n offset += ((data[offset + 3] & 0x0F) << 8 | data[offset + 4]) + 5;\n }\n return result;\n }\n\n _parsePES (stream) {\n let i = 0, frag, pesFlags, pesPrefix, pesLen, pesHdrLen, pesData, pesPts, pesDts, payloadStartOffset, data = stream.data;\n // safety check\n if (!stream || stream.size === 0) {\n return null;\n }\n\n // we might need up to 19 bytes to read PES header\n // if first chunk of data is less than 19 bytes, let's merge it with following ones until we get 19 bytes\n // usually only one merge is needed (and this is rare ...)\n while (data[0].length < 19 && data.length > 1) {\n let newData = new Uint8Array(data[0].length + data[1].length);\n newData.set(data[0]);\n newData.set(data[1], data[0].length);\n data[0] = newData;\n data.splice(1, 1);\n }\n // retrieve PTS/DTS from first fragment\n frag = data[0];\n pesPrefix = (frag[0] << 16) + (frag[1] << 8) + frag[2];\n if (pesPrefix === 1) {\n pesLen = (frag[4] << 8) + frag[5];\n // if PES parsed length is not zero and greater than total received length, stop parsing. PES might be truncated\n // minus 6 : PES header size\n if (pesLen && pesLen > stream.size - 6) {\n return null;\n }\n\n pesFlags = frag[7];\n if (pesFlags & 0xC0) {\n /* PES header described here : http://dvd.sourceforge.net/dvdinfo/pes-hdr.html\n as PTS / DTS is 33 bit we cannot use bitwise operator in JS,\n as Bitwise operators treat their operands as a sequence of 32 bits */\n pesPts = (frag[9] & 0x0E) * 536870912 +// 1 << 29\n (frag[10] & 0xFF) * 4194304 +// 1 << 22\n (frag[11] & 0xFE) * 16384 +// 1 << 14\n (frag[12] & 0xFF) * 128 +// 1 << 7\n (frag[13] & 0xFE) / 2;\n // check if greater than 2^32 -1\n if (pesPts > 4294967295) {\n // decrement 2^33\n pesPts -= 8589934592;\n }\n if (pesFlags & 0x40) {\n pesDts = (frag[14] & 0x0E) * 536870912 +// 1 << 29\n (frag[15] & 0xFF) * 4194304 +// 1 << 22\n (frag[16] & 0xFE) * 16384 +// 1 << 14\n (frag[17] & 0xFF) * 128 +// 1 << 7\n (frag[18] & 0xFE) / 2;\n // check if greater than 2^32 -1\n if (pesDts > 4294967295) {\n // decrement 2^33\n pesDts -= 8589934592;\n }\n if (pesPts - pesDts > 60 * 90000) {\n logger.warn(`${Math.round((pesPts - pesDts) / 90000)}s delta between PTS and DTS, align them`);\n pesPts = pesDts;\n }\n } else {\n pesDts = pesPts;\n }\n }\n pesHdrLen = frag[8];\n // 9 bytes : 6 bytes for PES header + 3 bytes for PES extension\n payloadStartOffset = pesHdrLen + 9;\n\n if (stream.size <= payloadStartOffset) {\n return null;\n }\n stream.size -= payloadStartOffset;\n // reassemble PES packet\n pesData = new Uint8Array(stream.size);\n for (let j = 0, dataLen = data.length; j < dataLen; j++) {\n frag = data[j];\n let len = frag.byteLength;\n if (payloadStartOffset) {\n if (payloadStartOffset > len) {\n // trim full frag if PES header bigger than frag\n payloadStartOffset -= len;\n continue;\n } else {\n // trim partial frag if PES header smaller than frag\n frag = frag.subarray(payloadStartOffset);\n len -= payloadStartOffset;\n payloadStartOffset = 0;\n }\n }\n pesData.set(frag, i);\n i += len;\n }\n if (pesLen) {\n // payload size : remove PES header + PES extension\n pesLen -= pesHdrLen + 3;\n }\n return { data: pesData, pts: pesPts, dts: pesDts, len: pesLen };\n } else {\n return null;\n }\n }\n\n pushAccesUnit (avcSample, avcTrack) {\n if (avcSample.units.length && avcSample.frame) {\n const samples = avcTrack.samples;\n const nbSamples = samples.length;\n // if sample does not have PTS/DTS, patch with last sample PTS/DTS\n if (isNaN(avcSample.pts)) {\n if (nbSamples) {\n const lastSample = samples[nbSamples - 1];\n avcSample.pts = lastSample.pts;\n avcSample.dts = lastSample.dts;\n } else {\n // dropping samples, no timestamp found\n avcTrack.dropped++;\n return;\n }\n }\n // only push AVC sample if starting with a keyframe is not mandatory OR\n // if keyframe already found in this fragment OR\n // keyframe found in last fragment (track.sps) AND\n // samples already appended (we already found a keyframe in this fragment) OR fragment is contiguous\n if (!this.config.forceKeyFrameOnDiscontinuity ||\n avcSample.key === true ||\n (avcTrack.sps && (nbSamples || this.contiguous))) {\n avcSample.id = nbSamples;\n samples.push(avcSample);\n } else {\n // dropped samples, track it\n avcTrack.dropped++;\n }\n }\n if (avcSample.debug.length) {\n logger.log(avcSample.pts + '/' + avcSample.dts + ':' + avcSample.debug);\n }\n }\n\n _parseAVCPES (pes, last) {\n // logger.log('parse new PES');\n let track = this._avcTrack,\n units = this._parseAVCNALu(pes.data),\n debug = false,\n expGolombDecoder,\n avcSample = this.avcSample,\n push,\n spsfound = false,\n i,\n pushAccesUnit = this.pushAccesUnit.bind(this),\n createAVCSample = function (key, pts, dts, debug) {\n return { key: key, pts: pts, dts: dts, units: [], debug: debug };\n };\n // free pes.data to save up some memory\n pes.data = null;\n\n // if new NAL units found and last sample still there, let's push ...\n // this helps parsing streams with missing AUD (only do this if AUD never found)\n if (avcSample && units.length && !track.audFound) {\n pushAccesUnit(avcSample, track);\n avcSample = this.avcSample = createAVCSample(false, pes.pts, pes.dts, '');\n }\n\n units.forEach(unit => {\n switch (unit.type) {\n // NDR\n case 1:\n push = true;\n if (!avcSample) {\n avcSample = this.avcSample = createAVCSample(true, pes.pts, pes.dts, '');\n }\n\n if (debug) {\n avcSample.debug += 'NDR ';\n }\n\n avcSample.frame = true;\n let data = unit.data;\n // only check slice type to detect KF in case SPS found in same packet (any keyframe is preceded by SPS ...)\n if (spsfound && data.length > 4) {\n // retrieve slice type by parsing beginning of NAL unit (follow H264 spec, slice_header definition) to detect keyframe embedded in NDR\n let sliceType = new ExpGolomb(data).readSliceType();\n // 2 : I slice, 4 : SI slice, 7 : I slice, 9: SI slice\n // SI slice : A slice that is coded using intra prediction only and using quantisation of the prediction samples.\n // An SI slice can be coded such that its decoded samples can be constructed identically to an SP slice.\n // I slice: A slice that is not an SI slice that is decoded using intra prediction only.\n // if (sliceType === 2 || sliceType === 7) {\n if (sliceType === 2 || sliceType === 4 || sliceType === 7 || sliceType === 9) {\n avcSample.key = true;\n }\n }\n break;\n // IDR\n case 5:\n push = true;\n // handle PES not starting with AUD\n if (!avcSample) {\n avcSample = this.avcSample = createAVCSample(true, pes.pts, pes.dts, '');\n }\n\n if (debug) {\n avcSample.debug += 'IDR ';\n }\n\n avcSample.key = true;\n avcSample.frame = true;\n break;\n // SEI\n case 6:\n push = true;\n if (debug && avcSample) {\n avcSample.debug += 'SEI ';\n }\n\n expGolombDecoder = new ExpGolomb(this.discardEPB(unit.data));\n\n // skip frameType\n expGolombDecoder.readUByte();\n\n var payloadType = 0;\n var payloadSize = 0;\n var endOfCaptions = false;\n var b = 0;\n\n while (!endOfCaptions && expGolombDecoder.bytesAvailable > 1) {\n payloadType = 0;\n do {\n b = expGolombDecoder.readUByte();\n payloadType += b;\n } while (b === 0xFF);\n\n // Parse payload size.\n payloadSize = 0;\n do {\n b = expGolombDecoder.readUByte();\n payloadSize += b;\n } while (b === 0xFF);\n\n // TODO: there can be more than one payload in an SEI packet...\n // TODO: need to read type and size in a while loop to get them all\n if (payloadType === 4 && expGolombDecoder.bytesAvailable !== 0) {\n endOfCaptions = true;\n\n let countryCode = expGolombDecoder.readUByte();\n\n if (countryCode === 181) {\n let providerCode = expGolombDecoder.readUShort();\n\n if (providerCode === 49) {\n let userStructure = expGolombDecoder.readUInt();\n\n if (userStructure === 0x47413934) {\n let userDataType = expGolombDecoder.readUByte();\n\n // Raw CEA-608 bytes wrapped in CEA-708 packet\n if (userDataType === 3) {\n let firstByte = expGolombDecoder.readUByte();\n let secondByte = expGolombDecoder.readUByte();\n\n let totalCCs = 31 & firstByte;\n let byteArray = [firstByte, secondByte];\n\n for (i = 0; i < totalCCs; i++) {\n // 3 bytes per CC\n byteArray.push(expGolombDecoder.readUByte());\n byteArray.push(expGolombDecoder.readUByte());\n byteArray.push(expGolombDecoder.readUByte());\n }\n\n this._insertSampleInOrder(this._txtTrack.samples, { type: 3, pts: pes.pts, bytes: byteArray });\n }\n }\n }\n }\n } else if (payloadType === 5 && expGolombDecoder.bytesAvailable !== 0) {\n endOfCaptions = true;\n\n if (payloadSize > 16) {\n const uuidStrArray = [];\n for (i = 0; i < 16; i++) {\n uuidStrArray.push(expGolombDecoder.readUByte().toString(16));\n\n if (i === 3 || i === 5 || i === 7 || i === 9) {\n uuidStrArray.push('-');\n }\n }\n const length = payloadSize - 16;\n const userDataPayloadBytes = new Uint8Array(length);\n for (i = 0; i < length; i++) {\n userDataPayloadBytes[i] = expGolombDecoder.readUByte();\n }\n\n this._insertSampleInOrder(this._txtTrack.samples, {\n pts: pes.pts,\n payloadType: payloadType,\n uuid: uuidStrArray.join(''),\n userDataBytes: userDataPayloadBytes,\n userData: utf8ArrayToStr(userDataPayloadBytes.buffer)\n });\n }\n } else if (payloadSize < expGolombDecoder.bytesAvailable) {\n for (i = 0; i < payloadSize; i++) {\n expGolombDecoder.readUByte();\n }\n }\n }\n break;\n // SPS\n case 7:\n push = true;\n spsfound = true;\n if (debug && avcSample) {\n avcSample.debug += 'SPS ';\n }\n\n if (!track.sps) {\n expGolombDecoder = new ExpGolomb(unit.data);\n let config = expGolombDecoder.readSPS();\n track.width = config.width;\n track.height = config.height;\n track.pixelRatio = config.pixelRatio;\n track.sps = [unit.data];\n track.duration = this._duration;\n let codecarray = unit.data.subarray(1, 4);\n let codecstring = 'avc1.';\n for (i = 0; i < 3; i++) {\n let h = codecarray[i].toString(16);\n if (h.length < 2) {\n h = '0' + h;\n }\n\n codecstring += h;\n }\n track.codec = codecstring;\n }\n break;\n // PPS\n case 8:\n push = true;\n if (debug && avcSample) {\n avcSample.debug += 'PPS ';\n }\n\n if (!track.pps) {\n track.pps = [unit.data];\n }\n\n break;\n // AUD\n case 9:\n push = false;\n track.audFound = true;\n if (avcSample) {\n pushAccesUnit(avcSample, track);\n }\n\n avcSample = this.avcSample = createAVCSample(false, pes.pts, pes.dts, debug ? 'AUD ' : '');\n break;\n // Filler Data\n case 12:\n push = false;\n break;\n default:\n push = false;\n if (avcSample) {\n avcSample.debug += 'unknown NAL ' + unit.type + ' ';\n }\n\n break;\n }\n if (avcSample && push) {\n let units = avcSample.units;\n units.push(unit);\n }\n });\n // if last PES packet, push samples\n if (last && avcSample) {\n pushAccesUnit(avcSample, track);\n this.avcSample = null;\n }\n }\n\n _insertSampleInOrder (arr, data) {\n let len = arr.length;\n if (len > 0) {\n if (data.pts >= arr[len - 1].pts) {\n arr.push(data);\n } else {\n for (let pos = len - 1; pos >= 0; pos--) {\n if (data.pts < arr[pos].pts) {\n arr.splice(pos, 0, data);\n break;\n }\n }\n }\n } else {\n arr.push(data);\n }\n }\n\n _getLastNalUnit () {\n let avcSample = this.avcSample, lastUnit;\n // try to fallback to previous sample if current one is empty\n if (!avcSample || avcSample.units.length === 0) {\n let track = this._avcTrack, samples = track.samples;\n avcSample = samples[samples.length - 1];\n }\n if (avcSample) {\n let units = avcSample.units;\n lastUnit = units[units.length - 1];\n }\n return lastUnit;\n }\n\n _parseAVCNALu (array) {\n let i = 0, len = array.byteLength, value, overflow, track = this._avcTrack, state = track.naluState || 0, lastState = state;\n let units = [], unit, unitType, lastUnitStart = -1, lastUnitType;\n // logger.log('PES:' + Hex.hexDump(array));\n\n if (state === -1) {\n // special use case where we found 3 or 4-byte start codes exactly at the end of previous PES packet\n lastUnitStart = 0;\n // NALu type is value read from offset 0\n lastUnitType = array[0] & 0x1f;\n state = 0;\n i = 1;\n }\n\n while (i < len) {\n value = array[i++];\n // optimization. state 0 and 1 are the predominant case. let's handle them outside of the switch/case\n if (!state) {\n state = value ? 0 : 1;\n continue;\n }\n if (state === 1) {\n state = value ? 0 : 2;\n continue;\n }\n // here we have state either equal to 2 or 3\n if (!value) {\n state = 3;\n } else if (value === 1) {\n if (lastUnitStart >= 0) {\n unit = { data: array.subarray(lastUnitStart, i - state - 1), type: lastUnitType };\n // logger.log('pushing NALU, type/size:' + unit.type + '/' + unit.data.byteLength);\n units.push(unit);\n } else {\n // lastUnitStart is undefined => this is the first start code found in this PES packet\n // first check if start code delimiter is overlapping between 2 PES packets,\n // ie it started in last packet (lastState not zero)\n // and ended at the beginning of this PES packet (i <= 4 - lastState)\n let lastUnit = this._getLastNalUnit();\n if (lastUnit) {\n if (lastState && (i <= 4 - lastState)) {\n // start delimiter overlapping between PES packets\n // strip start delimiter bytes from the end of last NAL unit\n // check if lastUnit had a state different from zero\n if (lastUnit.state) {\n // strip last bytes\n lastUnit.data = lastUnit.data.subarray(0, lastUnit.data.byteLength - lastState);\n }\n }\n // If NAL units are not starting right at the beginning of the PES packet, push preceding data into previous NAL unit.\n overflow = i - state - 1;\n if (overflow > 0) {\n // logger.log('first NALU found with overflow:' + overflow);\n let tmp = new Uint8Array(lastUnit.data.byteLength + overflow);\n tmp.set(lastUnit.data, 0);\n tmp.set(array.subarray(0, overflow), lastUnit.data.byteLength);\n lastUnit.data = tmp;\n }\n }\n }\n // check if we can read unit type\n if (i < len) {\n unitType = array[i] & 0x1f;\n // logger.log('find NALU @ offset:' + i + ',type:' + unitType);\n lastUnitStart = i;\n lastUnitType = unitType;\n state = 0;\n } else {\n // not enough byte to read unit type. let's read it on next PES parsing\n state = -1;\n }\n } else {\n state = 0;\n }\n }\n if (lastUnitStart >= 0 && state >= 0) {\n unit = { data: array.subarray(lastUnitStart, len), type: lastUnitType, state: state };\n units.push(unit);\n // logger.log('pushing NALU, type/size/state:' + unit.type + '/' + unit.data.byteLength + '/' + state);\n }\n // no NALu found\n if (units.length === 0) {\n // append pes.data to previous NAL unit\n let lastUnit = this._getLastNalUnit();\n if (lastUnit) {\n let tmp = new Uint8Array(lastUnit.data.byteLength + array.byteLength);\n tmp.set(lastUnit.data, 0);\n tmp.set(array, lastUnit.data.byteLength);\n lastUnit.data = tmp;\n }\n }\n track.naluState = state;\n return units;\n }\n\n /**\n * remove Emulation Prevention bytes from a RBSP\n */\n discardEPB (data) {\n let length = data.byteLength,\n EPBPositions = [],\n i = 1,\n newLength, newData;\n\n // Find all `Emulation Prevention Bytes`\n while (i < length - 2) {\n if (data[i] === 0 &&\n data[i + 1] === 0 &&\n data[i + 2] === 0x03) {\n EPBPositions.push(i + 2);\n i += 2;\n } else {\n i++;\n }\n }\n\n // If no Emulation Prevention Bytes were found just return the original\n // array\n if (EPBPositions.length === 0) {\n return data;\n }\n\n // Create a new array to hold the NAL unit data\n newLength = length - EPBPositions.length;\n newData = new Uint8Array(newLength);\n let sourceIndex = 0;\n\n for (i = 0; i < newLength; sourceIndex++, i++) {\n if (sourceIndex === EPBPositions[0]) {\n // Skip this byte\n sourceIndex++;\n // Remove this position index\n EPBPositions.shift();\n }\n newData[i] = data[sourceIndex];\n }\n return newData;\n }\n\n _parseAACPES (pes) {\n let track = this._audioTrack,\n data = pes.data,\n pts = pes.pts,\n startOffset = 0,\n aacOverFlow = this.aacOverFlow,\n aacLastPTS = this.aacLastPTS,\n frameDuration, frameIndex, offset, stamp, len;\n if (aacOverFlow) {\n let tmp = new Uint8Array(aacOverFlow.byteLength + data.byteLength);\n tmp.set(aacOverFlow, 0);\n tmp.set(data, aacOverFlow.byteLength);\n // logger.log(`AAC: append overflowing ${aacOverFlow.byteLength} bytes to beginning of new PES`);\n data = tmp;\n }\n // look for ADTS header (0xFFFx)\n for (offset = startOffset, len = data.length; offset < len - 1; offset++) {\n if (ADTS.isHeader(data, offset)) {\n break;\n }\n }\n // if ADTS header does not start straight from the beginning of the PES payload, raise an error\n if (offset) {\n let reason, fatal;\n if (offset < len - 1) {\n reason = `AAC PES did not start with ADTS header,offset:${offset}`;\n fatal = false;\n } else {\n reason = 'no ADTS header found in AAC PES';\n fatal = true;\n }\n logger.warn(`parsing error:${reason}`);\n this.observer.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.FRAG_PARSING_ERROR, fatal: fatal, reason: reason });\n if (fatal) {\n return;\n }\n }\n\n ADTS.initTrackConfig(track, this.observer, data, offset, this.audioCodec);\n frameIndex = 0;\n frameDuration = ADTS.getFrameDuration(track.samplerate);\n\n // if last AAC frame is overflowing, we should ensure timestamps are contiguous:\n // first sample PTS should be equal to last sample PTS + frameDuration\n if (aacOverFlow && aacLastPTS) {\n let newPTS = aacLastPTS + frameDuration;\n if (Math.abs(newPTS - pts) > 1) {\n logger.log(`AAC: align PTS for overlapping frames by ${Math.round((newPTS - pts) / 90)}`);\n pts = newPTS;\n }\n }\n\n // scan for aac samples\n while (offset < len) {\n if (ADTS.isHeader(data, offset)) {\n if ((offset + 5) < len) {\n const frame = ADTS.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n continue;\n }\n }\n // We are at an ADTS header, but do not have enough data for a frame\n // Remaining data will be added to aacOverFlow\n break;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n if (offset < len) {\n aacOverFlow = data.subarray(offset, len);\n // logger.log(`AAC: overflow detected:${len-offset}`);\n } else {\n aacOverFlow = null;\n }\n\n this.aacOverFlow = aacOverFlow;\n this.aacLastPTS = stamp;\n }\n\n _parseMPEGPES (pes) {\n let data = pes.data;\n let length = data.length;\n let frameIndex = 0;\n let offset = 0;\n let pts = pes.pts;\n\n while (offset < length) {\n if (MpegAudio.isHeader(data, offset)) {\n let frame = MpegAudio.appendFrame(this._audioTrack, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n frameIndex++;\n } else {\n // logger.log('Unable to parse Mpeg audio frame');\n break;\n }\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n }\n\n _parseID3PES (pes) {\n this._id3Track.samples.push(pes);\n }\n}\n\nexport default TSDemuxer;\n","/**\n * MP3 demuxer\n */\nimport ID3 from '../demux/id3';\nimport { logger } from '../utils/logger';\nimport MpegAudio from './mpegaudio';\n\nclass MP3Demuxer {\n constructor (observer, remuxer, config) {\n this.observer = observer;\n this.config = config;\n this.remuxer = remuxer;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n this._audioTrack = { container: 'audio/mpeg', type: 'audio', id: -1, sequenceNumber: 0, isAAC: false, samples: [], len: 0, manifestCodec: audioCodec, duration: duration, inputTimeScale: 90000 };\n }\n\n resetTimeStamp () {\n }\n\n static probe (data) {\n // check if data contains ID3 timestamp and MPEG sync word\n let offset, length;\n let id3Data = ID3.getID3Data(data, 0);\n if (id3Data && ID3.getTimeStamp(id3Data) !== undefined) {\n // Look for MPEG header | 1111 1111 | 111X XYZX | where X can be either 0 or 1 and Y or Z should be 1\n // Layer bits (position 14 and 15) in header should be always different from 0 (Layer I or Layer II or Layer III)\n // More info http://www.mp3-tech.org/programmer/frame_header.html\n for (offset = id3Data.length, length = Math.min(data.length - 1, offset + 100); offset < length; offset++) {\n if (MpegAudio.probe(data, offset)) {\n logger.log('MPEG Audio sync word found !');\n return true;\n }\n }\n }\n return false;\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let id3Data = ID3.getID3Data(data, 0);\n let timestamp = ID3.getTimeStamp(id3Data);\n let pts = timestamp ? 90 * timestamp : timeOffset * 90000;\n let offset = id3Data.length;\n let length = data.length;\n let frameIndex = 0, stamp = 0;\n let track = this._audioTrack;\n\n let id3Samples = [{ pts: pts, dts: pts, data: id3Data }];\n\n while (offset < length) {\n if (MpegAudio.isHeader(data, offset)) {\n let frame = MpegAudio.appendFrame(track, data, offset, pts, frameIndex);\n if (frame) {\n offset += frame.length;\n stamp = frame.sample.pts;\n frameIndex++;\n } else {\n // logger.log('Unable to parse Mpeg audio frame');\n break;\n }\n } else if (ID3.isHeader(data, offset)) {\n id3Data = ID3.getID3Data(data, offset);\n id3Samples.push({ pts: stamp, dts: stamp, data: id3Data });\n offset += id3Data.length;\n } else {\n // nothing found, keep looking\n offset++;\n }\n }\n\n this.remuxer.remux(track,\n { samples: [] },\n { samples: id3Samples, inputTimeScale: 90000 },\n { samples: [] },\n timeOffset,\n contiguous,\n accurateTimeOffset);\n }\n\n destroy () {\n }\n}\n\nexport default MP3Demuxer;\n","/**\n * passthrough remuxer\n*/\nimport Event from '../events';\n\nclass PassThroughRemuxer {\n constructor (observer) {\n this.observer = observer;\n }\n\n destroy () {\n }\n\n resetTimeStamp () {\n }\n\n resetInitSegment () {\n }\n\n remux (audioTrack, videoTrack, id3Track, textTrack, timeOffset, contiguous, accurateTimeOffset, rawData) {\n let observer = this.observer;\n let streamType = '';\n if (audioTrack) {\n streamType += 'audio';\n }\n\n if (videoTrack) {\n streamType += 'video';\n }\n\n observer.trigger(Event.FRAG_PARSING_DATA, {\n data1: rawData,\n startPTS: timeOffset,\n startDTS: timeOffset,\n type: streamType,\n hasAudio: !!audioTrack,\n hasVideo: !!videoTrack,\n nb: 1,\n dropped: 0\n });\n // notify end of parsing\n observer.trigger(Event.FRAG_PARSED);\n }\n}\n\nexport default PassThroughRemuxer;\n","/**\n * MP4 demuxer\n */\nimport { logger } from '../utils/logger';\nimport Event from '../events';\n\nconst UINT32_MAX = Math.pow(2, 32) - 1;\n\nclass MP4Demuxer {\n constructor (observer, remuxer) {\n this.observer = observer;\n this.remuxer = remuxer;\n }\n\n resetTimeStamp (initPTS) {\n this.initPTS = initPTS;\n }\n\n resetInitSegment (initSegment, audioCodec, videoCodec, duration) {\n // jshint unused:false\n if (initSegment && initSegment.byteLength) {\n const initData = this.initData = MP4Demuxer.parseInitSegment(initSegment);\n\n // default audio codec if nothing specified\n // TODO : extract that from initsegment\n if (audioCodec == null) {\n audioCodec = 'mp4a.40.5';\n }\n\n if (videoCodec == null) {\n videoCodec = 'avc1.42e01e';\n }\n\n const tracks = {};\n if (initData.audio && initData.video) {\n tracks.audiovideo = { container: 'video/mp4', codec: audioCodec + ',' + videoCodec, initSegment: duration ? initSegment : null };\n } else {\n if (initData.audio) {\n tracks.audio = { container: 'audio/mp4', codec: audioCodec, initSegment: duration ? initSegment : null };\n }\n\n if (initData.video) {\n tracks.video = { container: 'video/mp4', codec: videoCodec, initSegment: duration ? initSegment : null };\n }\n }\n this.observer.trigger(Event.FRAG_PARSING_INIT_SEGMENT, { tracks });\n } else {\n if (audioCodec) {\n this.audioCodec = audioCodec;\n }\n\n if (videoCodec) {\n this.videoCodec = videoCodec;\n }\n }\n }\n\n static probe (data) {\n // ensure we find a moof box in the first 16 kB\n return MP4Demuxer.findBox({ data: data, start: 0, end: Math.min(data.length, 16384) }, ['moof']).length > 0;\n }\n\n static bin2str (buffer) {\n return String.fromCharCode.apply(null, buffer);\n }\n\n static readUint16 (buffer, offset) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n\n const val = buffer[offset] << 8 |\n buffer[offset + 1];\n\n return val < 0 ? 65536 + val : val;\n }\n\n static readUint32 (buffer, offset) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n\n const val = buffer[offset] << 24 |\n buffer[offset + 1] << 16 |\n buffer[offset + 2] << 8 |\n buffer[offset + 3];\n return val < 0 ? 4294967296 + val : val;\n }\n\n static writeUint32 (buffer, offset, value) {\n if (buffer.data) {\n offset += buffer.start;\n buffer = buffer.data;\n }\n buffer[offset] = value >> 24;\n buffer[offset + 1] = (value >> 16) & 0xff;\n buffer[offset + 2] = (value >> 8) & 0xff;\n buffer[offset + 3] = value & 0xff;\n }\n\n // Find the data for a box specified by its path\n static findBox (data, path) {\n let results = [],\n i, size, type, end, subresults, start, endbox;\n\n if (data.data) {\n start = data.start;\n end = data.end;\n data = data.data;\n } else {\n start = 0;\n end = data.byteLength;\n }\n\n if (!path.length) {\n // short-circuit the search for empty paths\n return null;\n }\n\n for (i = start; i < end;) {\n size = MP4Demuxer.readUint32(data, i);\n type = MP4Demuxer.bin2str(data.subarray(i + 4, i + 8));\n endbox = size > 1 ? i + size : end;\n\n if (type === path[0]) {\n if (path.length === 1) {\n // this is the end of the path and we've found the box we were\n // looking for\n results.push({ data: data, start: i + 8, end: endbox });\n } else {\n // recursively search for the next box along the path\n subresults = MP4Demuxer.findBox({ data: data, start: i + 8, end: endbox }, path.slice(1));\n if (subresults.length) {\n results = results.concat(subresults);\n }\n }\n }\n i = endbox;\n }\n\n // we've finished searching all of data\n return results;\n }\n\n static parseSegmentIndex (initSegment) {\n const moov = MP4Demuxer.findBox(initSegment, ['moov'])[0];\n const moovEndOffset = moov ? moov.end : null; // we need this in case we need to chop of garbage of the end of current data\n\n let index = 0;\n let sidx = MP4Demuxer.findBox(initSegment, ['sidx']);\n let references;\n\n if (!sidx || !sidx[0]) {\n return null;\n }\n\n references = [];\n sidx = sidx[0];\n\n const version = sidx.data[0];\n\n // set initial offset, we skip the reference ID (not needed)\n index = version === 0 ? 8 : 16;\n\n const timescale = MP4Demuxer.readUint32(sidx, index);\n index += 4;\n\n // TODO: parse earliestPresentationTime and firstOffset\n // usually zero in our case\n let earliestPresentationTime = 0;\n let firstOffset = 0;\n\n if (version === 0) {\n index += 8;\n } else {\n index += 16;\n }\n\n // skip reserved\n index += 2;\n\n let startByte = sidx.end + firstOffset;\n\n const referencesCount = MP4Demuxer.readUint16(sidx, index);\n index += 2;\n\n for (let i = 0; i < referencesCount; i++) {\n let referenceIndex = index;\n\n const referenceInfo = MP4Demuxer.readUint32(sidx, referenceIndex);\n referenceIndex += 4;\n\n const referenceSize = referenceInfo & 0x7FFFFFFF;\n const referenceType = (referenceInfo & 0x80000000) >>> 31;\n\n if (referenceType === 1) {\n console.warn('SIDX has hierarchical references (not supported)');\n return;\n }\n\n const subsegmentDuration = MP4Demuxer.readUint32(sidx, referenceIndex);\n referenceIndex += 4;\n\n references.push({\n referenceSize,\n subsegmentDuration, // unscaled\n info: {\n duration: subsegmentDuration / timescale,\n start: startByte,\n end: startByte + referenceSize - 1\n }\n });\n\n startByte += referenceSize;\n\n // Skipping 1 bit for |startsWithSap|, 3 bits for |sapType|, and 28 bits\n // for |sapDelta|.\n referenceIndex += 4;\n\n // skip to next ref\n index = referenceIndex;\n }\n\n return {\n earliestPresentationTime,\n timescale,\n version,\n referencesCount,\n references,\n moovEndOffset\n };\n }\n\n /**\n * Parses an MP4 initialization segment and extracts stream type and\n * timescale values for any declared tracks. Timescale values indicate the\n * number of clock ticks per second to assume for time-based values\n * elsewhere in the MP4.\n *\n * To determine the start time of an MP4, you need two pieces of\n * information: the timescale unit and the earliest base media decode\n * time. Multiple timescales can be specified within an MP4 but the\n * base media decode time is always expressed in the timescale from\n * the media header box for the track:\n * ```\n * moov > trak > mdia > mdhd.timescale\n * moov > trak > mdia > hdlr\n * ```\n * @param init {Uint8Array} the bytes of the init segment\n * @return {object} a hash of track type to timescale values or null if\n * the init segment is malformed.\n */\n static parseInitSegment (initSegment) {\n let result = [];\n let traks = MP4Demuxer.findBox(initSegment, ['moov', 'trak']);\n\n traks.forEach(trak => {\n const tkhd = MP4Demuxer.findBox(trak, ['tkhd'])[0];\n if (tkhd) {\n let version = tkhd.data[tkhd.start];\n let index = version === 0 ? 12 : 20;\n let trackId = MP4Demuxer.readUint32(tkhd, index);\n\n const mdhd = MP4Demuxer.findBox(trak, ['mdia', 'mdhd'])[0];\n if (mdhd) {\n version = mdhd.data[mdhd.start];\n index = version === 0 ? 12 : 20;\n const timescale = MP4Demuxer.readUint32(mdhd, index);\n\n const hdlr = MP4Demuxer.findBox(trak, ['mdia', 'hdlr'])[0];\n if (hdlr) {\n const hdlrType = MP4Demuxer.bin2str(hdlr.data.subarray(hdlr.start + 8, hdlr.start + 12));\n let type = { 'soun': 'audio', 'vide': 'video' }[hdlrType];\n if (type) {\n // extract codec info. TODO : parse codec details to be able to build MIME type\n let codecBox = MP4Demuxer.findBox(trak, ['mdia', 'minf', 'stbl', 'stsd']);\n if (codecBox.length) {\n codecBox = codecBox[0];\n let codecType = MP4Demuxer.bin2str(codecBox.data.subarray(codecBox.start + 12, codecBox.start + 16));\n logger.log(`MP4Demuxer:${type}:${codecType} found`);\n }\n result[trackId] = { timescale: timescale, type: type };\n result[type] = { timescale: timescale, id: trackId };\n }\n }\n }\n }\n });\n return result;\n }\n\n /**\n * Determine the base media decode start time, in seconds, for an MP4\n * fragment. If multiple fragments are specified, the earliest time is\n * returned.\n *\n * The base media decode time can be parsed from track fragment\n * metadata:\n * ```\n * moof > traf > tfdt.baseMediaDecodeTime\n * ```\n * It requires the timescale value from the mdhd to interpret.\n *\n * @param timescale {object} a hash of track ids to timescale values.\n * @return {number} the earliest base media decode start time for the\n * fragment, in seconds\n */\n static getStartDTS (initData, fragment) {\n let trafs, baseTimes, result;\n\n // we need info from two childrend of each track fragment box\n trafs = MP4Demuxer.findBox(fragment, ['moof', 'traf']);\n\n // determine the start times for each track\n baseTimes = [].concat.apply([], trafs.map(function (traf) {\n return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) {\n let id, scale, baseTime;\n\n // get the track id from the tfhd\n id = MP4Demuxer.readUint32(tfhd, 4);\n // assume a 90kHz clock if no timescale was specified\n scale = initData[id].timescale || 90e3;\n\n // get the base media decode time from the tfdt\n baseTime = MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) {\n let version, result;\n\n version = tfdt.data[tfdt.start];\n result = MP4Demuxer.readUint32(tfdt, 4);\n if (version === 1) {\n result *= Math.pow(2, 32);\n\n result += MP4Demuxer.readUint32(tfdt, 8);\n }\n return result;\n })[0];\n // convert base time to seconds\n return baseTime / scale;\n });\n }));\n\n // return the minimum\n result = Math.min.apply(null, baseTimes);\n return isFinite(result) ? result : 0;\n }\n\n static offsetStartDTS (initData, fragment, timeOffset) {\n MP4Demuxer.findBox(fragment, ['moof', 'traf']).map(function (traf) {\n return MP4Demuxer.findBox(traf, ['tfhd']).map(function (tfhd) {\n // get the track id from the tfhd\n let id = MP4Demuxer.readUint32(tfhd, 4);\n // assume a 90kHz clock if no timescale was specified\n let timescale = initData[id].timescale || 90e3;\n\n // get the base media decode time from the tfdt\n MP4Demuxer.findBox(traf, ['tfdt']).map(function (tfdt) {\n let version = tfdt.data[tfdt.start];\n let baseMediaDecodeTime = MP4Demuxer.readUint32(tfdt, 4);\n if (version === 0) {\n MP4Demuxer.writeUint32(tfdt, 4, baseMediaDecodeTime - timeOffset * timescale);\n } else {\n baseMediaDecodeTime *= Math.pow(2, 32);\n baseMediaDecodeTime += MP4Demuxer.readUint32(tfdt, 8);\n baseMediaDecodeTime -= timeOffset * timescale;\n baseMediaDecodeTime = Math.max(baseMediaDecodeTime, 0);\n const upper = Math.floor(baseMediaDecodeTime / (UINT32_MAX + 1));\n const lower = Math.floor(baseMediaDecodeTime % (UINT32_MAX + 1));\n MP4Demuxer.writeUint32(tfdt, 4, upper);\n MP4Demuxer.writeUint32(tfdt, 8, lower);\n }\n });\n });\n });\n }\n\n // feed incoming data to the front of the parsing pipeline\n append (data, timeOffset, contiguous, accurateTimeOffset) {\n let initData = this.initData;\n if (!initData) {\n this.resetInitSegment(data, this.audioCodec, this.videoCodec, false);\n initData = this.initData;\n }\n let startDTS, initPTS = this.initPTS;\n if (initPTS === undefined) {\n let startDTS = MP4Demuxer.getStartDTS(initData, data);\n this.initPTS = initPTS = startDTS - timeOffset;\n this.observer.trigger(Event.INIT_PTS_FOUND, { initPTS: initPTS });\n }\n MP4Demuxer.offsetStartDTS(initData, data, initPTS);\n startDTS = MP4Demuxer.getStartDTS(initData, data);\n this.remuxer.remux(initData.audio, initData.video, null, null, startDTS, contiguous, accurateTimeOffset, data);\n }\n\n destroy () {}\n}\n\nexport default MP4Demuxer;\n","function webpackBootstrapFunc (modules) {\n/******/ // The module cache\n/******/ var installedModules = {};\n\n/******/ // The require function\n/******/ function __webpack_require__(moduleId) {\n\n/******/ // Check if module is in cache\n/******/ if(installedModules[moduleId])\n/******/ return installedModules[moduleId].exports;\n\n/******/ // Create a new module (and put it into the cache)\n/******/ var module = installedModules[moduleId] = {\n/******/ i: moduleId,\n/******/ l: false,\n/******/ exports: {}\n/******/ };\n\n/******/ // Execute the module function\n/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n/******/ // Flag the module as loaded\n/******/ module.l = true;\n\n/******/ // Return the exports of the module\n/******/ return module.exports;\n/******/ }\n\n/******/ // expose the modules object (__webpack_modules__)\n/******/ __webpack_require__.m = modules;\n\n/******/ // expose the module cache\n/******/ __webpack_require__.c = installedModules;\n\n/******/ // identity function for calling harmony imports with the correct context\n/******/ __webpack_require__.i = function(value) { return value; };\n\n/******/ // define getter function for harmony exports\n/******/ __webpack_require__.d = function(exports, name, getter) {\n/******/ if(!__webpack_require__.o(exports, name)) {\n/******/ Object.defineProperty(exports, name, {\n/******/ configurable: false,\n/******/ enumerable: true,\n/******/ get: getter\n/******/ });\n/******/ }\n/******/ };\n\n/******/ // define __esModule on exports\n/******/ __webpack_require__.r = function(exports) {\n/******/ Object.defineProperty(exports, '__esModule', { value: true });\n/******/ };\n\n/******/ // getDefaultExport function for compatibility with non-harmony modules\n/******/ __webpack_require__.n = function(module) {\n/******/ var getter = module && module.__esModule ?\n/******/ function getDefault() { return module['default']; } :\n/******/ function getModuleExports() { return module; };\n/******/ __webpack_require__.d(getter, 'a', getter);\n/******/ return getter;\n/******/ };\n\n/******/ // Object.prototype.hasOwnProperty.call\n/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n/******/ // __webpack_public_path__\n/******/ __webpack_require__.p = \"/\";\n\n/******/ // on error function for async loading\n/******/ __webpack_require__.oe = function(err) { console.error(err); throw err; };\n\n var f = __webpack_require__(__webpack_require__.s = ENTRY_MODULE)\n return f.default || f // try to call default if defined to also support babel esmodule exports\n}\n\nvar moduleNameReqExp = '[\\\\.|\\\\-|\\\\+|\\\\w|\\/|@]+'\nvar dependencyRegExp = '\\\\(\\\\s*(\\/\\\\*.*?\\\\*\\/)?\\\\s*.*?(' + moduleNameReqExp + ').*?\\\\)' // additional chars when output.pathinfo is true\n\n// http://stackoverflow.com/a/2593661/130442\nfunction quoteRegExp (str) {\n return (str + '').replace(/[.?*+^$[\\]\\\\(){}|-]/g, '\\\\$&')\n}\n\nfunction isNumeric(n) {\n return !isNaN(1 * n); // 1 * n converts integers, integers as string (\"123\"), 1e3 and \"1e3\" to integers and strings to NaN\n}\n\nfunction getModuleDependencies (sources, module, queueName) {\n var retval = {}\n retval[queueName] = []\n\n var fnString = module.toString()\n var wrapperSignature = fnString.match(/^function\\s?\\w*\\(\\w+,\\s*\\w+,\\s*(\\w+)\\)/)\n if (!wrapperSignature) return retval\n var webpackRequireName = wrapperSignature[1]\n\n // main bundle deps\n var re = new RegExp('(\\\\\\\\n|\\\\W)' + quoteRegExp(webpackRequireName) + dependencyRegExp, 'g')\n var match\n while ((match = re.exec(fnString))) {\n if (match[3] === 'dll-reference') continue\n retval[queueName].push(match[3])\n }\n\n // dll deps\n re = new RegExp('\\\\(' + quoteRegExp(webpackRequireName) + '\\\\(\"(dll-reference\\\\s(' + moduleNameReqExp + '))\"\\\\)\\\\)' + dependencyRegExp, 'g')\n while ((match = re.exec(fnString))) {\n if (!sources[match[2]]) {\n retval[queueName].push(match[1])\n sources[match[2]] = __webpack_require__(match[1]).m\n }\n retval[match[2]] = retval[match[2]] || []\n retval[match[2]].push(match[4])\n }\n\n // convert 1e3 back to 1000 - this can be important after uglify-js converted 1000 to 1e3\n var keys = Object.keys(retval);\n for (var i = 0; i < keys.length; i++) {\n for (var j = 0; j < retval[keys[i]].length; j++) {\n if (isNumeric(retval[keys[i]][j])) {\n retval[keys[i]][j] = 1 * retval[keys[i]][j];\n }\n }\n }\n\n return retval\n}\n\nfunction hasValuesInQueues (queues) {\n var keys = Object.keys(queues)\n return keys.reduce(function (hasValues, key) {\n return hasValues || queues[key].length > 0\n }, false)\n}\n\nfunction getRequiredModules (sources, moduleId) {\n var modulesQueue = {\n main: [moduleId]\n }\n var requiredModules = {\n main: []\n }\n var seenModules = {\n main: {}\n }\n\n while (hasValuesInQueues(modulesQueue)) {\n var queues = Object.keys(modulesQueue)\n for (var i = 0; i < queues.length; i++) {\n var queueName = queues[i]\n var queue = modulesQueue[queueName]\n var moduleToCheck = queue.pop()\n seenModules[queueName] = seenModules[queueName] || {}\n if (seenModules[queueName][moduleToCheck] || !sources[queueName][moduleToCheck]) continue\n seenModules[queueName][moduleToCheck] = true\n requiredModules[queueName] = requiredModules[queueName] || []\n requiredModules[queueName].push(moduleToCheck)\n var newModules = getModuleDependencies(sources, sources[queueName][moduleToCheck], queueName)\n var newModulesKeys = Object.keys(newModules)\n for (var j = 0; j < newModulesKeys.length; j++) {\n modulesQueue[newModulesKeys[j]] = modulesQueue[newModulesKeys[j]] || []\n modulesQueue[newModulesKeys[j]] = modulesQueue[newModulesKeys[j]].concat(newModules[newModulesKeys[j]])\n }\n }\n }\n\n return requiredModules\n}\n\nmodule.exports = function (moduleId, options) {\n options = options || {}\n var sources = {\n main: __webpack_modules__\n }\n\n var requiredModules = options.all ? { main: Object.keys(sources.main) } : getRequiredModules(sources, moduleId)\n\n var src = ''\n\n Object.keys(requiredModules).filter(function (m) { return m !== 'main' }).forEach(function (module) {\n var entryModule = 0\n while (requiredModules[module][entryModule]) {\n entryModule++\n }\n requiredModules[module].push(entryModule)\n sources[module][entryModule] = '(function(module, exports, __webpack_require__) { module.exports = __webpack_require__; })'\n src = src + 'var ' + module + ' = (' + webpackBootstrapFunc.toString().replace('ENTRY_MODULE', JSON.stringify(entryModule)) + ')({' + requiredModules[module].map(function (id) { return '' + JSON.stringify(id) + ': ' + sources[module][id].toString() }).join(',') + '});\\n'\n })\n\n src = src + 'new ((' + webpackBootstrapFunc.toString().replace('ENTRY_MODULE', JSON.stringify(moduleId)) + ')({' + requiredModules.main.map(function (id) { return '' + JSON.stringify(id) + ': ' + sources.main[id].toString() }).join(',') + '}))(self);'\n\n var blob = new window.Blob([src], { type: 'text/javascript' })\n if (options.bare) { return blob }\n\n var URL = window.URL || window.webkitURL || window.mozURL || window.msURL\n\n var workerUrl = URL.createObjectURL(blob)\n var worker = new window.Worker(workerUrl)\n worker.objectURL = workerUrl\n\n return worker\n}\n","/* demuxer web worker.\n * - listen to worker message, and trigger DemuxerInline upon reception of Fragments.\n * - provides MP4 Boxes back to main thread using [transferable objects](https://developers.google.com/web/updates/2011/12/Transferable-Objects-Lightning-Fast) in order to minimize message passing overhead.\n */\n\nimport DemuxerInline from '../demux/demuxer-inline';\nimport Event from '../events';\nimport { enableLogs } from '../utils/logger';\n\nimport { EventEmitter } from 'eventemitter3';\n\nlet DemuxerWorker = function (self) {\n // observer setup\n let observer = new EventEmitter();\n observer.trigger = function trigger (event, ...data) {\n observer.emit(event, event, ...data);\n };\n\n observer.off = function off (event, ...data) {\n observer.removeListener(event, ...data);\n };\n\n let forwardMessage = function (ev, data) {\n self.postMessage({ event: ev, data: data });\n };\n\n self.addEventListener('message', function (ev) {\n let data = ev.data;\n // console.log('demuxer cmd:' + data.cmd);\n switch (data.cmd) {\n case 'init':\n const config = JSON.parse(data.config);\n self.demuxer = new DemuxerInline(observer, data.typeSupported, config, data.vendor);\n\n enableLogs(config.debug);\n\n // signal end of worker init\n forwardMessage('init', null);\n break;\n case 'demux':\n self.demuxer.push(data.data, data.decryptdata, data.initSegment, data.audioCodec, data.videoCodec, data.timeOffset, data.discontinuity, data.trackSwitch, data.contiguous, data.duration, data.accurateTimeOffset, data.defaultInitPTS);\n break;\n default:\n break;\n }\n });\n\n // forward events to main thread\n observer.on(Event.FRAG_DECRYPTED, forwardMessage);\n observer.on(Event.FRAG_PARSING_INIT_SEGMENT, forwardMessage);\n observer.on(Event.FRAG_PARSED, forwardMessage);\n observer.on(Event.ERROR, forwardMessage);\n observer.on(Event.FRAG_PARSING_METADATA, forwardMessage);\n observer.on(Event.FRAG_PARSING_USERDATA, forwardMessage);\n observer.on(Event.INIT_PTS_FOUND, forwardMessage);\n\n // special case for FRAG_PARSING_DATA: pass data1/data2 as transferable object (no copy)\n observer.on(Event.FRAG_PARSING_DATA, function (ev, data) {\n let transferable = [];\n let message = { event: ev, data: data };\n if (data.data1) {\n message.data1 = data.data1.buffer;\n transferable.push(data.data1.buffer);\n delete data.data1;\n }\n if (data.data2) {\n message.data2 = data.data2.buffer;\n transferable.push(data.data2.buffer);\n delete data.data2;\n }\n self.postMessage(message, transferable);\n });\n};\n\nexport default DemuxerWorker;\n","import Level from '../loader/level';\n\nexport interface LoaderContext {\n // target URL\n url: string\n // loader response type (arraybuffer or default response type for playlist)\n responseType: string\n // start byte range offset\n rangeStart?: number\n // end byte range offset\n rangeEnd?: number\n // true if onProgress should report partial chunk of loaded content\n progressData?: boolean\n}\n\nexport interface LoaderConfiguration {\n // Max number of load retries\n maxRetry: number\n // Timeout after which `onTimeOut` callback will be triggered\n // (if loading is still not finished after that delay)\n timeout: number\n // Delay between an I/O error and following connection retry (ms).\n // This to avoid spamming the server\n retryDelay: number\n // max connection retry delay (ms)\n maxRetryDelay: number\n}\n\nexport interface LoaderResponse {\n url: string,\n // TODO(jstackhouse): SharedArrayBuffer, es2017 extension to TS\n data: string | ArrayBuffer\n}\n\nexport interface LoaderStats {\n // performance.now() just after load() has been called\n trequest: number\n // performance.now() of first received byte\n tfirst: number\n // performance.now() on load complete\n tload: number\n // performance.now() on parse completion\n tparsed: number\n // number of loaded bytes\n loaded: number\n // total number of bytes\n total: number\n}\n\ntype LoaderOnSuccess < T extends LoaderContext > = (\n response: LoaderResponse,\n stats: LoaderStats,\n context: T,\n networkDetails: any\n) => void;\n\ntype LoaderOnProgress < T extends LoaderContext > = (\n stats: LoaderStats,\n context: T,\n data: string | ArrayBuffer,\n networkDetails: any,\n) => void;\n\ntype LoaderOnError < T extends LoaderContext > = (\n error: {\n // error status code\n code: number,\n // error description\n text: string,\n },\n context: T,\n networkDetails: any,\n) => void;\n\ntype LoaderOnTimeout < T extends LoaderContext > = (\n stats: LoaderStats,\n context: T,\n) => void;\n\nexport interface LoaderCallbacks<T extends LoaderContext>{\n onSuccess: LoaderOnSuccess<T>,\n onError: LoaderOnError<T>,\n onTimeout: LoaderOnTimeout<T>,\n onProgress?: LoaderOnProgress<T>,\n}\n\nexport interface Loader<T extends LoaderContext> {\n destroy(): void\n abort(): void\n load(\n context: LoaderContext,\n config: LoaderConfiguration,\n callbacks: LoaderCallbacks<T>,\n ): void\n\n context: T\n}\n\n/**\n * `type` property values for this loaders' context object\n * @enum\n *\n */\nexport enum PlaylistContextType {\n MANIFEST = 'manifest',\n LEVEL = 'level',\n AUDIO_TRACK = 'audioTrack',\n SUBTITLE_TRACK= 'subtitleTrack'\n}\n\n/**\n * @enum {string}\n */\nexport enum PlaylistLevelType {\n MAIN = 'main',\n AUDIO = 'audio',\n SUBTITLE = 'subtitle'\n}\n\nexport interface PlaylistLoaderContext extends LoaderContext {\n loader?: Loader<PlaylistLoaderContext>\n\n type: PlaylistContextType\n // the level index to load\n level: number | null\n // TODO: what is id?\n id: number | null\n // defines if the loader is handling a sidx request for the playlist\n isSidxRequest?: boolean\n // internal reprsentation of a parsed m3u8 level playlist\n levelDetails?: Level\n}\n","/*\n*\n* All objects in the event handling chain should inherit from this class\n*\n*/\n\nimport { logger } from './utils/logger';\nimport { ErrorTypes, ErrorDetails } from './errors';\nimport Event from './events';\nimport Hls from './hls';\n\nconst FORBIDDEN_EVENT_NAMES = {\n 'hlsEventGeneric': true,\n 'hlsHandlerDestroying': true,\n 'hlsHandlerDestroyed': true\n};\n\nclass EventHandler {\n hls: Hls;\n handledEvents: any[];\n useGenericHandler: boolean;\n\n constructor (hls: Hls, ...events: any[]) {\n this.hls = hls;\n this.onEvent = this.onEvent.bind(this);\n this.handledEvents = events;\n this.useGenericHandler = true;\n\n this.registerListeners();\n }\n\n destroy () {\n this.onHandlerDestroying();\n this.unregisterListeners();\n this.onHandlerDestroyed();\n }\n\n protected onHandlerDestroying () {}\n protected onHandlerDestroyed () {}\n\n isEventHandler () {\n return typeof this.handledEvents === 'object' && this.handledEvents.length && typeof this.onEvent === 'function';\n }\n\n registerListeners () {\n if (this.isEventHandler()) {\n this.handledEvents.forEach(function (event) {\n if (FORBIDDEN_EVENT_NAMES[event]) {\n throw new Error('Forbidden event-name: ' + event);\n }\n\n this.hls.on(event, this.onEvent);\n }, this);\n }\n }\n\n unregisterListeners () {\n if (this.isEventHandler()) {\n this.handledEvents.forEach(function (event) {\n this.hls.off(event, this.onEvent);\n }, this);\n }\n }\n\n /**\n * arguments: event (string), data (any)\n */\n onEvent (event: string, data: any) {\n this.onEventGeneric(event, data);\n }\n\n onEventGeneric (event: string, data: any) {\n let eventToFunction = function (event: string, data: any) {\n let funcName = 'on' + event.replace('hls', '');\n if (typeof this[funcName] !== 'function') {\n throw new Error(`Event ${event} has no generic handler in this ${this.constructor.name} class (tried ${funcName})`);\n }\n\n return this[funcName].bind(this, data);\n };\n try {\n eventToFunction.call(this, event, data).call();\n } catch (err) {\n logger.error(`An internal error happened while handling event ${event}. Error message: \"${err.message}\". Here is a stacktrace:`, err);\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.OTHER_ERROR, details: ErrorDetails.INTERNAL_EXCEPTION, fatal: false, event: event, err: err });\n }\n }\n}\n\nexport default EventHandler;\n","\nimport { buildAbsoluteURL } from 'url-toolkit';\nimport { logger } from '../utils/logger';\nimport LevelKey from './level-key';\nimport { PlaylistLevelType } from '../types/loader';\n\nexport enum ElementaryStreamTypes {\n AUDIO = 'audio',\n VIDEO = 'video',\n}\n\nexport default class Fragment {\n private _url: string | null = null;\n private _byteRange: number[] | null = null;\n private _decryptdata: LevelKey | null = null;\n\n // Holds the types of data this fragment supports\n private _elementaryStreams: Record<ElementaryStreamTypes, boolean> = {\n [ElementaryStreamTypes.AUDIO]: false,\n [ElementaryStreamTypes.VIDEO]: false\n };\n\n // deltaPTS tracks the change in presentation timestamp between fragments\n public deltaPTS: number = 0;\n\n public rawProgramDateTime: string | null = null;\n public programDateTime: number | null = null;\n public title: string | null = null;\n public tagList: Array<string[]> = [];\n\n // TODO: Move at least baseurl to constructor.\n // Currently we do a two-pass construction as use the Fragment class almost like a object for holding parsing state.\n // It may make more sense to just use a POJO to keep state during the parsing phase.\n // Have Fragment be the representation once we have a known state?\n // Something to think on.\n\n // Discontinuity Counter\n public cc!: number;\n\n public type!: PlaylistLevelType;\n // relurl is the portion of the URL that comes from inside the playlist.\n public relurl!: string;\n // baseurl is the URL to the playlist\n public baseurl!: string;\n // EXTINF has to be present for a m3u8 to be considered valid\n public duration!: number;\n // When this segment starts in the timeline\n public start!: number;\n // sn notates the sequence number for a segment, and if set to a string can be 'initSegment'\n public sn: number | 'initSegment' = 0;\n\n public urlId: number = 0;\n // level matches this fragment to a index playlist\n public level: number = 0;\n // levelkey is the EXT-X-KEY that applies to this segment for decryption\n // core difference from the private field _decryptdata is the lack of the initialized IV\n // _decryptdata will set the IV for this segment based on the segment number in the fragment\n public levelkey?: LevelKey;\n\n // TODO(typescript-xhrloader)\n public loader: any;\n\n // setByteRange converts a EXT-X-BYTERANGE attribute into a two element array\n setByteRange (value: string, previousFrag?: Fragment) {\n const params = value.split('@', 2);\n const byteRange: number[] = [];\n if (params.length === 1) {\n byteRange[0] = previousFrag ? previousFrag.byteRangeEndOffset : 0;\n } else {\n byteRange[0] = parseInt(params[1]);\n }\n byteRange[1] = parseInt(params[0]) + byteRange[0];\n this._byteRange = byteRange;\n }\n\n get url () {\n if (!this._url && this.relurl) {\n this._url = buildAbsoluteURL(this.baseurl, this.relurl, { alwaysNormalize: true });\n }\n\n return this._url;\n }\n\n set url (value) {\n this._url = value;\n }\n\n get byteRange (): number[] {\n if (!this._byteRange) {\n return [];\n }\n\n return this._byteRange;\n }\n\n /**\n * @type {number}\n */\n get byteRangeStartOffset () {\n return this.byteRange[0];\n }\n\n get byteRangeEndOffset () {\n return this.byteRange[1];\n }\n\n get decryptdata (): LevelKey | null {\n if (!this.levelkey && !this._decryptdata) {\n return null;\n }\n\n if (!this._decryptdata && this.levelkey) {\n let sn = this.sn;\n if (typeof sn !== 'number') {\n // We are fetching decryption data for a initialization segment\n // If the segment was encrypted with AES-128\n // It must have an IV defined. We cannot substitute the Segment Number in.\n if (this.levelkey && this.levelkey.method === 'AES-128' && !this.levelkey.iv) {\n logger.warn(`missing IV for initialization segment with method=\"${this.levelkey.method}\" - compliance issue`);\n }\n\n /*\n Be converted to a Number.\n 'initSegment' will become NaN.\n NaN, which when converted through ToInt32() -> +0.\n ---\n Explicitly set sn to resulting value from implicit conversions 'initSegment' values for IV generation.\n */\n sn = 0;\n }\n this._decryptdata = this.setDecryptDataFromLevelKey(this.levelkey, sn);\n }\n\n return this._decryptdata;\n }\n\n get endProgramDateTime () {\n if (this.programDateTime === null) {\n return null;\n }\n\n if (!Number.isFinite(this.programDateTime)) {\n return null;\n }\n\n let duration = !Number.isFinite(this.duration) ? 0 : this.duration;\n\n return this.programDateTime + (duration * 1000);\n }\n\n get encrypted () {\n return !!((this.decryptdata && this.decryptdata.uri !== null) && (this.decryptdata.key === null));\n }\n\n /**\n * @param {ElementaryStreamTypes} type\n */\n addElementaryStream (type: ElementaryStreamTypes) {\n this._elementaryStreams[type] = true;\n }\n\n /**\n * @param {ElementaryStreamTypes} type\n */\n hasElementaryStream (type: ElementaryStreamTypes) {\n return this._elementaryStreams[type] === true;\n }\n\n /**\n * Utility method for parseLevelPlaylist to create an initialization vector for a given segment\n * @param {number} segmentNumber - segment number to generate IV with\n * @returns {Uint8Array}\n */\n createInitializationVector (segmentNumber: number): Uint8Array {\n let uint8View = new Uint8Array(16);\n\n for (let i = 12; i < 16; i++) {\n uint8View[i] = (segmentNumber >> 8 * (15 - i)) & 0xff;\n }\n\n return uint8View;\n }\n\n /**\n * Utility method for parseLevelPlaylist to get a fragment's decryption data from the currently parsed encryption key data\n * @param levelkey - a playlist's encryption info\n * @param segmentNumber - the fragment's segment number\n * @returns {LevelKey} - an object to be applied as a fragment's decryptdata\n */\n setDecryptDataFromLevelKey (levelkey: LevelKey, segmentNumber: number): LevelKey {\n let decryptdata = levelkey;\n\n if (levelkey && levelkey.method && levelkey.uri && !levelkey.iv) {\n decryptdata = new LevelKey(levelkey.baseuri, levelkey.reluri);\n decryptdata.method = levelkey.method;\n decryptdata.iv = this.createInitializationVector(segmentNumber);\n }\n\n return decryptdata;\n }\n}\n","import { buildAbsoluteURL } from 'url-toolkit';\n\nexport default class LevelKey {\n private _uri: string | null = null;\n\n public baseuri: string;\n public reluri: string;\n public method: string | null = null;\n public key: Uint8Array | null = null;\n public iv: Uint8Array | null = null;\n\n constructor (baseURI: string, relativeURI: string) {\n this.baseuri = baseURI;\n this.reluri = relativeURI;\n }\n\n get uri () {\n if (!this._uri && this.reluri) {\n this._uri = buildAbsoluteURL(this.baseuri, this.reluri, { alwaysNormalize: true });\n }\n\n return this._uri;\n }\n}\n","export default class Level {\n constructor (baseUrl) {\n // Please keep properties in alphabetical order\n this.endCC = 0;\n this.endSN = 0;\n this.fragments = [];\n this.initSegment = null;\n this.live = true;\n this.needSidxRanges = false;\n this.startCC = 0;\n this.startSN = 0;\n this.startTimeOffset = null;\n this.targetduration = 0;\n this.totalduration = 0;\n this.type = null;\n this.url = baseUrl;\n this.version = null;\n }\n\n get hasProgramDateTime () {\n return !!(this.fragments[0] && Number.isFinite(this.fragments[0].programDateTime));\n }\n}\n","const DECIMAL_RESOLUTION_REGEX = /^(\\d+)x(\\d+)$/; // eslint-disable-line no-useless-escape\nconst ATTR_LIST_REGEX = /\\s*(.+?)\\s*=((?:\\\".*?\\\")|.*?)(?:,|$)/g; // eslint-disable-line no-useless-escape\n\n// adapted from https://github.com/kanongil/node-m3u8parse/blob/master/attrlist.js\nclass AttrList {\n constructor (attrs) {\n if (typeof attrs === 'string') {\n attrs = AttrList.parseAttrList(attrs);\n }\n\n for (let attr in attrs) {\n if (attrs.hasOwnProperty(attr)) {\n this[attr] = attrs[attr];\n }\n }\n }\n\n decimalInteger (attrName) {\n const intValue = parseInt(this[attrName], 10);\n if (intValue > Number.MAX_SAFE_INTEGER) {\n return Infinity;\n }\n\n return intValue;\n }\n\n hexadecimalInteger (attrName) {\n if (this[attrName]) {\n let stringValue = (this[attrName] || '0x').slice(2);\n stringValue = ((stringValue.length & 1) ? '0' : '') + stringValue;\n\n const value = new Uint8Array(stringValue.length / 2);\n for (let i = 0; i < stringValue.length / 2; i++) {\n value[i] = parseInt(stringValue.slice(i * 2, i * 2 + 2), 16);\n }\n\n return value;\n } else {\n return null;\n }\n }\n\n hexadecimalIntegerAsNumber (attrName) {\n const intValue = parseInt(this[attrName], 16);\n if (intValue > Number.MAX_SAFE_INTEGER) {\n return Infinity;\n }\n\n return intValue;\n }\n\n decimalFloatingPoint (attrName) {\n return parseFloat(this[attrName]);\n }\n\n enumeratedString (attrName) {\n return this[attrName];\n }\n\n decimalResolution (attrName) {\n const res = DECIMAL_RESOLUTION_REGEX.exec(this[attrName]);\n if (res === null) {\n return undefined;\n }\n\n return {\n width: parseInt(res[1], 10),\n height: parseInt(res[2], 10)\n };\n }\n\n static parseAttrList (input) {\n let match, attrs = {};\n ATTR_LIST_REGEX.lastIndex = 0;\n while ((match = ATTR_LIST_REGEX.exec(input)) !== null) {\n let value = match[2], quote = '\"';\n\n if (value.indexOf(quote) === 0 &&\n value.lastIndexOf(quote) === (value.length - 1)) {\n value = value.slice(1, -1);\n }\n\n attrs[match[1]] = value;\n }\n return attrs;\n }\n}\n\nexport default AttrList;\n","// from http://mp4ra.org/codecs.html\nconst sampleEntryCodesISO = {\n audio: {\n 'a3ds': true,\n 'ac-3': true,\n 'ac-4': true,\n 'alac': true,\n 'alaw': true,\n 'dra1': true,\n 'dts+': true,\n 'dts-': true,\n 'dtsc': true,\n 'dtse': true,\n 'dtsh': true,\n 'ec-3': true,\n 'enca': true,\n 'g719': true,\n 'g726': true,\n 'm4ae': true,\n 'mha1': true,\n 'mha2': true,\n 'mhm1': true,\n 'mhm2': true,\n 'mlpa': true,\n 'mp4a': true,\n 'raw ': true,\n 'Opus': true,\n 'samr': true,\n 'sawb': true,\n 'sawp': true,\n 'sevc': true,\n 'sqcp': true,\n 'ssmv': true,\n 'twos': true,\n 'ulaw': true\n },\n video: {\n 'avc1': true,\n 'avc2': true,\n 'avc3': true,\n 'avc4': true,\n 'avcp': true,\n 'drac': true,\n 'dvav': true,\n 'dvhe': true,\n 'encv': true,\n 'hev1': true,\n 'hvc1': true,\n 'mjp2': true,\n 'mp4v': true,\n 'mvc1': true,\n 'mvc2': true,\n 'mvc3': true,\n 'mvc4': true,\n 'resv': true,\n 'rv60': true,\n 's263': true,\n 'svc1': true,\n 'svc2': true,\n 'vc-1': true,\n 'vp08': true,\n 'vp09': true\n }\n};\n\nexport type CodecType = 'audio' | 'video';\n\nfunction isCodecType (codec: string, type: CodecType): boolean {\n const typeCodes = sampleEntryCodesISO[type];\n return !!typeCodes && typeCodes[codec.slice(0, 4)] === true;\n}\n\nfunction isCodecSupportedInMp4 (codec: string, type: CodecType): boolean {\n return MediaSource.isTypeSupported(`${type || 'video'}/mp4;codecs=\"${codec}\"`);\n}\n\nexport { isCodecType, isCodecSupportedInMp4 };\n","import * as URLToolkit from 'url-toolkit';\n\nimport Fragment from './fragment';\nimport Level from './level';\nimport LevelKey from './level-key';\n\nimport AttrList from '../utils/attr-list';\nimport { logger } from '../utils/logger';\nimport { isCodecType, CodecType } from '../utils/codecs';\nimport { MediaPlaylist, AudioGroup, MediaPlaylistType } from '../types/media-playlist';\nimport { PlaylistLevelType } from '../types/loader';\n\n/**\n * M3U8 parser\n * @module\n */\n\n// https://regex101.com is your friend\nconst MASTER_PLAYLIST_REGEX = /#EXT-X-STREAM-INF:([^\\n\\r]*)[\\r\\n]+([^\\r\\n]+)/g;\nconst MASTER_PLAYLIST_MEDIA_REGEX = /#EXT-X-MEDIA:(.*)/g;\n\nconst LEVEL_PLAYLIST_REGEX_FAST = new RegExp([\n /#EXTINF:\\s*(\\d*(?:\\.\\d+)?)(?:,(.*)\\s+)?/.source, // duration (#EXTINF:<duration>,<title>), group 1 => duration, group 2 => title\n /|(?!#)([\\S+ ?]+)/.source, // segment URI, group 3 => the URI (note newline is not eaten)\n /|#EXT-X-BYTERANGE:*(.+)/.source, // next segment's byterange, group 4 => range spec (x@y)\n /|#EXT-X-PROGRAM-DATE-TIME:(.+)/.source, // next segment's program date/time group 5 => the datetime spec\n /|#.*/.source // All other non-segment oriented tags will match with all groups empty\n].join(''), 'g');\n\nconst LEVEL_PLAYLIST_REGEX_SLOW = /(?:(?:#(EXTM3U))|(?:#EXT-X-(PLAYLIST-TYPE):(.+))|(?:#EXT-X-(MEDIA-SEQUENCE): *(\\d+))|(?:#EXT-X-(TARGETDURATION): *(\\d+))|(?:#EXT-X-(KEY):(.+))|(?:#EXT-X-(START):(.+))|(?:#EXT-X-(ENDLIST))|(?:#EXT-X-(DISCONTINUITY-SEQ)UENCE:(\\d+))|(?:#EXT-X-(DIS)CONTINUITY))|(?:#EXT-X-(VERSION):(\\d+))|(?:#EXT-X-(MAP):(.+))|(?:(#)([^:]*):(.*))|(?:(#)(.*))(?:.*)\\r?\\n?/;\n\nconst MP4_REGEX_SUFFIX = /\\.(mp4|m4s|m4v|m4a)$/i;\n\nexport default class M3U8Parser {\n static findGroup (groups: Array<AudioGroup>, mediaGroupId: string): AudioGroup | undefined {\n for (let i = 0; i < groups.length; i++) {\n const group = groups[i];\n if (group.id === mediaGroupId) {\n return group;\n }\n }\n }\n\n static convertAVC1ToAVCOTI (codec) {\n let avcdata = codec.split('.');\n let result;\n if (avcdata.length > 2) {\n result = avcdata.shift() + '.';\n result += parseInt(avcdata.shift()).toString(16);\n result += ('000' + parseInt(avcdata.shift()).toString(16)).substr(-4);\n } else {\n result = codec;\n }\n return result;\n }\n\n static resolve (url, baseUrl) {\n return URLToolkit.buildAbsoluteURL(baseUrl, url, { alwaysNormalize: true });\n }\n\n static parseMasterPlaylist (string: string, baseurl: string) {\n // TODO(typescript-level)\n let levels: Array<any> = [];\n MASTER_PLAYLIST_REGEX.lastIndex = 0;\n\n // TODO(typescript-level)\n function setCodecs (codecs: Array<string>, level: any) {\n ['video', 'audio'].forEach((type: CodecType) => {\n const filtered = codecs.filter((codec) => isCodecType(codec, type));\n if (filtered.length) {\n const preferred = filtered.filter((codec) => {\n return codec.lastIndexOf('avc1', 0) === 0 || codec.lastIndexOf('mp4a', 0) === 0;\n });\n level[`${type}Codec`] = preferred.length > 0 ? preferred[0] : filtered[0];\n\n // remove from list\n codecs = codecs.filter((codec) => filtered.indexOf(codec) === -1);\n }\n });\n\n level.unknownCodecs = codecs;\n }\n\n let result: RegExpExecArray | null;\n while ((result = MASTER_PLAYLIST_REGEX.exec(string)) != null) {\n // TODO(typescript-level)\n const level: any = {};\n\n const attrs = level.attrs = new AttrList(result[1]);\n level.url = M3U8Parser.resolve(result[2], baseurl);\n\n const resolution = attrs.decimalResolution('RESOLUTION');\n if (resolution) {\n level.width = resolution.width;\n level.height = resolution.height;\n }\n level.bitrate = attrs.decimalInteger('AVERAGE-BANDWIDTH') || attrs.decimalInteger('BANDWIDTH');\n level.name = attrs.NAME;\n\n setCodecs([].concat((attrs.CODECS || '').split(/[ ,]+/)), level);\n\n if (level.videoCodec && level.videoCodec.indexOf('avc1') !== -1) {\n level.videoCodec = M3U8Parser.convertAVC1ToAVCOTI(level.videoCodec);\n }\n\n levels.push(level);\n }\n return levels;\n }\n\n static parseMasterPlaylistMedia (string: string, baseurl: string, type: MediaPlaylistType, audioGroups: Array<AudioGroup> = []): Array<MediaPlaylist> {\n let result: RegExpExecArray | null;\n let medias: Array<MediaPlaylist> = [];\n let id = 0;\n MASTER_PLAYLIST_MEDIA_REGEX.lastIndex = 0;\n while ((result = MASTER_PLAYLIST_MEDIA_REGEX.exec(string)) !== null) {\n const attrs = new AttrList(result[1]);\n if (attrs.TYPE === type) {\n const media: MediaPlaylist = {\n id: id++,\n groupId: attrs['GROUP-ID'],\n name: attrs.NAME || attrs.LANGUAGE,\n type,\n default: (attrs.DEFAULT === 'YES'),\n autoselect: (attrs.AUTOSELECT === 'YES'),\n forced: (attrs.FORCED === 'YES'),\n lang: attrs.LANGUAGE\n };\n\n if (attrs.URI) {\n media.url = M3U8Parser.resolve(attrs.URI, baseurl);\n }\n\n if (audioGroups.length) {\n // If there are audio groups signalled in the manifest, let's look for a matching codec string for this track\n const groupCodec = M3U8Parser.findGroup(audioGroups, media.groupId as string);\n\n // If we don't find the track signalled, lets use the first audio groups codec we have\n // Acting as a best guess\n media.audioCodec = groupCodec ? groupCodec.codec : audioGroups[0].codec;\n }\n\n medias.push(media);\n }\n }\n return medias;\n }\n\n static parseLevelPlaylist (string: string, baseurl: string, id: number, type: PlaylistLevelType, levelUrlId: number) {\n let currentSN = 0;\n let totalduration = 0;\n let level = new Level(baseurl);\n let discontinuityCounter = 0;\n let prevFrag: Fragment | null = null;\n let frag: Fragment | null = new Fragment();\n let result: RegExpExecArray | RegExpMatchArray | null;\n let i: number;\n let levelkey: LevelKey | undefined;\n\n let firstPdtIndex = null;\n\n LEVEL_PLAYLIST_REGEX_FAST.lastIndex = 0;\n\n while ((result = LEVEL_PLAYLIST_REGEX_FAST.exec(string)) !== null) {\n const duration = result[1];\n if (duration) { // INF\n frag.duration = parseFloat(duration);\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n const title = (' ' + result[2]).slice(1);\n frag.title = title || null;\n frag.tagList.push(title ? [ 'INF', duration, title ] : [ 'INF', duration ]);\n } else if (result[3]) { // url\n if (Number.isFinite(frag.duration)) {\n const sn = currentSN++;\n frag.type = type;\n frag.start = totalduration;\n if (levelkey) {\n frag.levelkey = levelkey;\n }\n frag.sn = sn;\n frag.level = id;\n frag.cc = discontinuityCounter;\n frag.urlId = levelUrlId;\n frag.baseurl = baseurl;\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n frag.relurl = (' ' + result[3]).slice(1);\n assignProgramDateTime(frag, prevFrag);\n\n level.fragments.push(frag);\n prevFrag = frag;\n totalduration += frag.duration;\n\n frag = new Fragment();\n }\n } else if (result[4]) { // X-BYTERANGE\n const data = (' ' + result[4]).slice(1);\n if (prevFrag) {\n frag.setByteRange(data, prevFrag);\n } else {\n frag.setByteRange(data);\n }\n } else if (result[5]) { // PROGRAM-DATE-TIME\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n frag.rawProgramDateTime = (' ' + result[5]).slice(1);\n frag.tagList.push(['PROGRAM-DATE-TIME', frag.rawProgramDateTime]);\n if (firstPdtIndex === null) {\n firstPdtIndex = level.fragments.length;\n }\n } else {\n result = result[0].match(LEVEL_PLAYLIST_REGEX_SLOW);\n if (!result) {\n logger.warn('No matches on slow regex match for level playlist!');\n continue;\n }\n for (i = 1; i < result.length; i++) {\n if (typeof result[i] !== 'undefined') {\n break;\n }\n }\n\n // avoid sliced strings https://github.com/video-dev/hls.js/issues/939\n const value1 = (' ' + result[i + 1]).slice(1);\n const value2 = (' ' + result[i + 2]).slice(1);\n\n switch (result[i]) {\n case '#':\n frag.tagList.push(value2 ? [ value1, value2 ] : [ value1 ]);\n break;\n case 'PLAYLIST-TYPE':\n level.type = value1.toUpperCase();\n break;\n case 'MEDIA-SEQUENCE':\n currentSN = level.startSN = parseInt(value1);\n break;\n case 'TARGETDURATION':\n level.targetduration = parseFloat(value1);\n break;\n case 'VERSION':\n level.version = parseInt(value1);\n break;\n case 'EXTM3U':\n break;\n case 'ENDLIST':\n level.live = false;\n break;\n case 'DIS':\n discontinuityCounter++;\n frag.tagList.push(['DIS']);\n break;\n case 'DISCONTINUITY-SEQ':\n discontinuityCounter = parseInt(value1);\n break;\n case 'KEY': {\n // https://tools.ietf.org/html/draft-pantos-http-live-streaming-08#section-3.4.4\n const decryptparams = value1;\n const keyAttrs = new AttrList(decryptparams);\n const decryptmethod = keyAttrs.enumeratedString('METHOD');\n const decrypturi = keyAttrs.URI;\n const decryptiv = keyAttrs.hexadecimalInteger('IV');\n\n if (decryptmethod) {\n levelkey = new LevelKey(baseurl, decrypturi);\n if ((decrypturi) && (['AES-128', 'SAMPLE-AES', 'SAMPLE-AES-CENC'].indexOf(decryptmethod) >= 0)) {\n levelkey.method = decryptmethod;\n levelkey.key = null;\n // Initialization Vector (IV)\n levelkey.iv = decryptiv;\n }\n }\n break;\n }\n case 'START': {\n const startAttrs = new AttrList(value1);\n const startTimeOffset = startAttrs.decimalFloatingPoint('TIME-OFFSET');\n // TIME-OFFSET can be 0\n if (Number.isFinite(startTimeOffset)) {\n level.startTimeOffset = startTimeOffset;\n }\n break;\n }\n case 'MAP': {\n const mapAttrs = new AttrList(value1);\n frag.relurl = mapAttrs.URI;\n if (mapAttrs.BYTERANGE) {\n frag.setByteRange(mapAttrs.BYTERANGE);\n }\n frag.baseurl = baseurl;\n frag.level = id;\n frag.type = type;\n frag.sn = 'initSegment';\n level.initSegment = frag;\n frag = new Fragment();\n frag.rawProgramDateTime = level.initSegment.rawProgramDateTime;\n break;\n }\n default:\n logger.warn(`line parsed but not handled: ${result}`);\n break;\n }\n }\n }\n frag = prevFrag;\n // logger.log('found ' + level.fragments.length + ' fragments');\n if (frag && !frag.relurl) {\n level.fragments.pop();\n totalduration -= frag.duration;\n }\n level.totalduration = totalduration;\n level.averagetargetduration = totalduration / level.fragments.length;\n level.endSN = currentSN - 1;\n level.startCC = level.fragments[0] ? level.fragments[0].cc : 0;\n level.endCC = discontinuityCounter;\n\n if (!level.initSegment && level.fragments.length) {\n // this is a bit lurky but HLS really has no other way to tell us\n // if the fragments are TS or MP4, except if we download them :/\n // but this is to be able to handle SIDX.\n if (level.fragments.every((frag) => MP4_REGEX_SUFFIX.test(frag.relurl))) {\n logger.warn('MP4 fragments found but no init segment (probably no MAP, incomplete M3U8), trying to fetch SIDX');\n\n frag = new Fragment();\n frag.relurl = level.fragments[0].relurl;\n frag.baseurl = baseurl;\n frag.level = id;\n frag.type = type;\n frag.sn = 'initSegment';\n\n level.initSegment = frag;\n level.needSidxRanges = true;\n }\n }\n\n /**\n * Backfill any missing PDT values\n \"If the first EXT-X-PROGRAM-DATE-TIME tag in a Playlist appears after\n one or more Media Segment URIs, the client SHOULD extrapolate\n backward from that tag (using EXTINF durations and/or media\n timestamps) to associate dates with those segments.\"\n * We have already extrapolated forward, but all fragments up to the first instance of PDT do not have their PDTs\n * computed.\n */\n if (firstPdtIndex) {\n backfillProgramDateTimes(level.fragments, firstPdtIndex);\n }\n\n return level;\n }\n}\n\nfunction backfillProgramDateTimes (fragments, startIndex) {\n let fragPrev = fragments[startIndex];\n for (let i = startIndex - 1; i >= 0; i--) {\n const frag = fragments[i];\n frag.programDateTime = fragPrev.programDateTime - (frag.duration * 1000);\n fragPrev = frag;\n }\n}\n\nfunction assignProgramDateTime (frag, prevFrag) {\n if (frag.rawProgramDateTime) {\n frag.programDateTime = Date.parse(frag.rawProgramDateTime);\n } else if (prevFrag && prevFrag.programDateTime) {\n frag.programDateTime = prevFrag.endProgramDateTime;\n }\n\n if (!Number.isFinite(frag.programDateTime)) {\n frag.programDateTime = null;\n frag.rawProgramDateTime = null;\n }\n}\n","/**\n * PlaylistLoader - delegate for media manifest/playlist loading tasks. Takes care of parsing media to internal data-models.\n *\n * Once loaded, dispatches events with parsed data-models of manifest/levels/audio/subtitle tracks.\n *\n * Uses loader(s) set in config to do actual internal loading of resource tasks.\n *\n * @module\n *\n */\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport { Loader, PlaylistContextType, PlaylistLoaderContext, PlaylistLevelType, LoaderCallbacks, LoaderResponse, LoaderStats, LoaderConfiguration } from '../types/loader';\nimport MP4Demuxer from '../demux/mp4demuxer';\nimport M3U8Parser from './m3u8-parser';\nimport { AudioGroup } from '../types/media-playlist';\n\nconst { performance } = window;\n\n/**\n * @constructor\n */\nclass PlaylistLoader extends EventHandler {\n private loaders: Partial<Record<PlaylistContextType, Loader<PlaylistLoaderContext>>> = {};\n\n /**\n * @constructs\n * @param {Hls} hls\n */\n constructor (hls) {\n super(hls,\n Event.MANIFEST_LOADING,\n Event.LEVEL_LOADING,\n Event.AUDIO_TRACK_LOADING,\n Event.SUBTITLE_TRACK_LOADING);\n }\n\n /**\n * @param {PlaylistContextType} type\n * @returns {boolean}\n */\n static canHaveQualityLevels (type: PlaylistContextType): boolean {\n return (type !== PlaylistContextType.AUDIO_TRACK &&\n type !== PlaylistContextType.SUBTITLE_TRACK);\n }\n\n /**\n * Map context.type to LevelType\n * @param {PlaylistLoaderContext} context\n * @returns {LevelType}\n */\n static mapContextToLevelType (context: PlaylistLoaderContext): PlaylistLevelType {\n const { type } = context;\n\n switch (type) {\n case PlaylistContextType.AUDIO_TRACK:\n return PlaylistLevelType.AUDIO;\n case PlaylistContextType.SUBTITLE_TRACK:\n return PlaylistLevelType.SUBTITLE;\n default:\n return PlaylistLevelType.MAIN;\n }\n }\n\n static getResponseUrl (response: LoaderResponse, context: PlaylistLoaderContext): string {\n let url = response.url;\n // responseURL not supported on some browsers (it is used to detect URL redirection)\n // data-uri mode also not supported (but no need to detect redirection)\n if (url === undefined || url.indexOf('data:') === 0) {\n // fallback to initial URL\n url = context.url;\n }\n return url;\n }\n\n /**\n * Returns defaults or configured loader-type overloads (pLoader and loader config params)\n * Default loader is XHRLoader (see utils)\n * @param {PlaylistLoaderContext} context\n * @returns {Loader} or other compatible configured overload\n */\n createInternalLoader (context: PlaylistLoaderContext): Loader<PlaylistLoaderContext> {\n const config = this.hls.config;\n const PLoader = config.pLoader;\n const Loader = config.loader;\n // TODO(typescript-config): Verify once config is typed that InternalLoader always returns a Loader\n const InternalLoader = PLoader || Loader;\n\n const loader = new InternalLoader(config);\n\n // TODO - Do we really need to assign the instance or if the dep has been lost\n context.loader = loader;\n this.loaders[context.type] = loader;\n\n return loader;\n }\n\n getInternalLoader (context: PlaylistLoaderContext): Loader<PlaylistLoaderContext> | undefined {\n return this.loaders[context.type];\n }\n\n resetInternalLoader (contextType: PlaylistContextType) {\n if (this.loaders[contextType]) {\n delete this.loaders[contextType];\n }\n }\n\n /**\n * Call `destroy` on all internal loader instances mapped (one per context type)\n */\n destroyInternalLoaders () {\n for (let contextType in this.loaders) {\n let loader = this.loaders[contextType];\n if (loader) {\n loader.destroy();\n }\n\n this.resetInternalLoader(contextType as PlaylistContextType);\n }\n }\n\n destroy () {\n this.destroyInternalLoaders();\n\n super.destroy();\n }\n\n onManifestLoading (data: { url: string; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.MANIFEST,\n level: 0,\n id: null,\n responseType: 'text'\n });\n }\n\n onLevelLoading (data: { url: string; level: number | null; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.LEVEL,\n level: data.level,\n id: data.id,\n responseType: 'text'\n });\n }\n\n onAudioTrackLoading (data: { url: string; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.AUDIO_TRACK,\n level: null,\n id: data.id,\n responseType: 'text'\n });\n }\n\n onSubtitleTrackLoading (data: { url: string; id: number | null; }) {\n this.load({\n url: data.url,\n type: PlaylistContextType.SUBTITLE_TRACK,\n level: null,\n id: data.id,\n responseType: 'text'\n });\n }\n\n load (context: PlaylistLoaderContext): boolean {\n const config = this.hls.config;\n\n logger.debug(`Loading playlist of type ${context.type}, level: ${context.level}, id: ${context.id}`);\n\n // Check if a loader for this context already exists\n let loader = this.getInternalLoader(context);\n if (loader) {\n const loaderContext = loader.context;\n if (loaderContext && loaderContext.url === context.url) { // same URL can't overlap\n logger.trace('playlist request ongoing');\n return false;\n } else {\n logger.warn(`aborting previous loader for type: ${context.type}`);\n loader.abort();\n }\n }\n\n let maxRetry: number;\n let timeout: number;\n let retryDelay: number;\n let maxRetryDelay: number;\n\n // apply different configs for retries depending on\n // context (manifest, level, audio/subs playlist)\n switch (context.type) {\n case PlaylistContextType.MANIFEST:\n maxRetry = config.manifestLoadingMaxRetry;\n timeout = config.manifestLoadingTimeOut;\n retryDelay = config.manifestLoadingRetryDelay;\n maxRetryDelay = config.manifestLoadingMaxRetryTimeout;\n break;\n case PlaylistContextType.LEVEL:\n // Disable internal loader retry logic, since we are managing retries in Level Controller\n maxRetry = 0;\n maxRetryDelay = 0;\n retryDelay = 0;\n timeout = config.levelLoadingTimeOut;\n // TODO Introduce retry settings for audio-track and subtitle-track, it should not use level retry config\n break;\n default:\n maxRetry = config.levelLoadingMaxRetry;\n timeout = config.levelLoadingTimeOut;\n retryDelay = config.levelLoadingRetryDelay;\n maxRetryDelay = config.levelLoadingMaxRetryTimeout;\n break;\n }\n\n loader = this.createInternalLoader(context);\n\n const loaderConfig: LoaderConfiguration = {\n timeout,\n maxRetry,\n retryDelay,\n maxRetryDelay\n };\n\n const loaderCallbacks: LoaderCallbacks<PlaylistLoaderContext> = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this)\n };\n\n logger.debug(`Calling internal loader delegate for URL: ${context.url}`);\n loader.load(context, loaderConfig, loaderCallbacks);\n\n return true;\n }\n\n loadsuccess (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown = null) {\n if (context.isSidxRequest) {\n this._handleSidxRequest(response, context);\n this._handlePlaylistLoaded(response, stats, context, networkDetails);\n return;\n }\n\n this.resetInternalLoader(context.type);\n if (typeof response.data !== 'string') {\n throw new Error('expected responseType of \"text\" for PlaylistLoader');\n }\n\n const string = response.data;\n\n stats.tload = performance.now();\n // stats.mtime = new Date(target.getResponseHeader('Last-Modified'));\n\n // Validate if it is an M3U8 at all\n if (string.indexOf('#EXTM3U') !== 0) {\n this._handleManifestParsingError(response, context, 'no EXTM3U delimiter', networkDetails);\n return;\n }\n\n // Check if chunk-list or master. handle empty chunk list case (first EXTINF not signaled, but TARGETDURATION present)\n if (string.indexOf('#EXTINF:') > 0 || string.indexOf('#EXT-X-TARGETDURATION:') > 0) {\n this._handleTrackOrLevelPlaylist(response, stats, context, networkDetails);\n } else {\n this._handleMasterPlaylist(response, stats, context, networkDetails);\n }\n }\n\n loaderror (response: LoaderResponse, context: PlaylistLoaderContext, networkDetails = null) {\n this._handleNetworkError(context, networkDetails, false, response);\n }\n\n loadtimeout (stats: LoaderStats, context: PlaylistLoaderContext, networkDetails = null) {\n this._handleNetworkError(context, networkDetails, true);\n }\n\n // TODO(typescript-config): networkDetails can currently be a XHR or Fetch impl,\n // but with custom loaders it could be generic investigate this further when config is typed\n _handleMasterPlaylist (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const hls = this.hls;\n const string = response.data as string;\n\n const url = PlaylistLoader.getResponseUrl(response, context);\n const levels = M3U8Parser.parseMasterPlaylist(string, url);\n if (!levels.length) {\n this._handleManifestParsingError(response, context, 'no level found in manifest', networkDetails);\n return;\n }\n\n // multi level playlist, parse level info\n const audioGroups: Array<AudioGroup> = levels.map(level => ({\n id: level.attrs.AUDIO,\n codec: level.audioCodec\n }));\n\n const audioTracks = M3U8Parser.parseMasterPlaylistMedia(string, url, 'AUDIO', audioGroups);\n const subtitles = M3U8Parser.parseMasterPlaylistMedia(string, url, 'SUBTITLES');\n\n if (audioTracks.length) {\n // check if we have found an audio track embedded in main playlist (audio track without URI attribute)\n let embeddedAudioFound = false;\n audioTracks.forEach(audioTrack => {\n if (!audioTrack.url) {\n embeddedAudioFound = true;\n }\n });\n\n // if no embedded audio track defined, but audio codec signaled in quality level,\n // we need to signal this main audio track this could happen with playlists with\n // alt audio rendition in which quality levels (main)\n // contains both audio+video. but with mixed audio track not signaled\n if (embeddedAudioFound === false && levels[0].audioCodec && !levels[0].attrs.AUDIO) {\n logger.log('audio codec signaled in quality level, but no embedded audio track signaled, create one');\n audioTracks.unshift({\n type: 'main',\n name: 'main',\n default: false,\n autoselect: false,\n forced: false,\n id: -1\n });\n }\n }\n\n hls.trigger(Event.MANIFEST_LOADED, {\n levels,\n audioTracks,\n subtitles,\n url,\n stats,\n networkDetails\n });\n }\n\n _handleTrackOrLevelPlaylist (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const hls = this.hls;\n\n const { id, level, type } = context;\n\n const url = PlaylistLoader.getResponseUrl(response, context);\n\n // if the values are null, they will result in the else conditional\n const levelUrlId = Number.isFinite(id as number) ? id as number : 0;\n const levelId = Number.isFinite(level as number) ? level as number : levelUrlId;\n\n const levelType = PlaylistLoader.mapContextToLevelType(context);\n const levelDetails = M3U8Parser.parseLevelPlaylist(response.data as string, url, levelId, levelType, levelUrlId);\n\n // set stats on level structure\n // TODO(jstackhouse): why? mixing concerns, is it just treated as value bag?\n (levelDetails as any).tload = stats.tload;\n\n // We have done our first request (Manifest-type) and receive\n // not a master playlist but a chunk-list (track/level)\n // We fire the manifest-loaded event anyway with the parsed level-details\n // by creating a single-level structure for it.\n if (type === PlaylistContextType.MANIFEST) {\n const singleLevel = {\n url,\n details: levelDetails\n };\n\n hls.trigger(Event.MANIFEST_LOADED, {\n levels: [singleLevel],\n audioTracks: [],\n url,\n stats,\n networkDetails\n });\n }\n\n // save parsing time\n stats.tparsed = performance.now();\n\n // in case we need SIDX ranges\n // return early after calling load for\n // the SIDX box.\n if (levelDetails.needSidxRanges) {\n const sidxUrl = levelDetails.initSegment.url;\n this.load({\n url: sidxUrl,\n isSidxRequest: true,\n type,\n level,\n levelDetails,\n id,\n rangeStart: 0,\n rangeEnd: 2048,\n responseType: 'arraybuffer'\n });\n return;\n }\n\n // extend the context with the new levelDetails property\n context.levelDetails = levelDetails;\n\n this._handlePlaylistLoaded(response, stats, context, networkDetails);\n }\n\n _handleSidxRequest (response: LoaderResponse, context: PlaylistLoaderContext) {\n if (typeof response.data === 'string') {\n throw new Error('sidx request must be made with responseType of array buffer');\n }\n\n const sidxInfo = MP4Demuxer.parseSegmentIndex(new Uint8Array(response.data));\n // if provided fragment does not contain sidx, early return\n if (!sidxInfo) {\n return;\n }\n const sidxReferences = sidxInfo.references;\n const levelDetails = context.levelDetails;\n sidxReferences.forEach((segmentRef, index) => {\n const segRefInfo = segmentRef.info;\n if (!levelDetails) {\n return;\n }\n const frag = levelDetails.fragments[index];\n if (frag.byteRange.length === 0) {\n frag.setByteRange(String(1 + segRefInfo.end - segRefInfo.start) + '@' + String(segRefInfo.start));\n }\n });\n\n if (levelDetails) {\n levelDetails.initSegment.setByteRange(String(sidxInfo.moovEndOffset) + '@0');\n }\n }\n\n _handleManifestParsingError (response: LoaderResponse, context: PlaylistLoaderContext, reason: string, networkDetails: unknown) {\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.NETWORK_ERROR,\n details: ErrorDetails.MANIFEST_PARSING_ERROR,\n fatal: true,\n url: response.url,\n reason,\n networkDetails\n });\n }\n\n _handleNetworkError (context: PlaylistLoaderContext, networkDetails: unknown, timeout: boolean = false, response: LoaderResponse | null = null) {\n logger.info(`A network error occured while loading a ${context.type}-type playlist`);\n\n let details;\n let fatal;\n\n const loader = this.getInternalLoader(context);\n\n switch (context.type) {\n case PlaylistContextType.MANIFEST:\n details = (timeout ? ErrorDetails.MANIFEST_LOAD_TIMEOUT : ErrorDetails.MANIFEST_LOAD_ERROR);\n fatal = true;\n break;\n case PlaylistContextType.LEVEL:\n details = (timeout ? ErrorDetails.LEVEL_LOAD_TIMEOUT : ErrorDetails.LEVEL_LOAD_ERROR);\n fatal = false;\n break;\n case PlaylistContextType.AUDIO_TRACK:\n details = (timeout ? ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT : ErrorDetails.AUDIO_TRACK_LOAD_ERROR);\n fatal = false;\n break;\n default:\n // details = ...?\n fatal = false;\n }\n\n if (loader) {\n loader.abort();\n this.resetInternalLoader(context.type);\n }\n\n // TODO(typescript-events): when error events are handled, type this\n let errorData: any = {\n type: ErrorTypes.NETWORK_ERROR,\n details,\n fatal,\n url: context.url,\n loader,\n context,\n networkDetails\n };\n\n if (response) {\n errorData.response = response;\n }\n\n this.hls.trigger(Event.ERROR, errorData);\n }\n\n _handlePlaylistLoaded (response: LoaderResponse, stats: LoaderStats, context: PlaylistLoaderContext, networkDetails: unknown) {\n const { type, level, id, levelDetails } = context;\n\n if (!levelDetails || !levelDetails.targetduration) {\n this._handleManifestParsingError(response, context, 'invalid target duration', networkDetails);\n return;\n }\n\n const canHaveLevels = PlaylistLoader.canHaveQualityLevels(context.type);\n if (canHaveLevels) {\n this.hls.trigger(Event.LEVEL_LOADED, {\n details: levelDetails,\n level: level || 0,\n id: id || 0,\n stats,\n networkDetails\n });\n } else {\n switch (type) {\n case PlaylistContextType.AUDIO_TRACK:\n this.hls.trigger(Event.AUDIO_TRACK_LOADED, {\n details: levelDetails,\n id,\n stats,\n networkDetails\n });\n break;\n case PlaylistContextType.SUBTITLE_TRACK:\n this.hls.trigger(Event.SUBTITLE_TRACK_LOADED, {\n details: levelDetails,\n id,\n stats,\n networkDetails\n });\n break;\n }\n }\n }\n}\n\nexport default PlaylistLoader;\n","/*\n * Fragment Loader\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\n\nclass FragmentLoader extends EventHandler {\n constructor (hls) {\n super(hls, Event.FRAG_LOADING);\n this.loaders = {};\n }\n\n destroy () {\n let loaders = this.loaders;\n for (let loaderName in loaders) {\n let loader = loaders[loaderName];\n if (loader) {\n loader.destroy();\n }\n }\n this.loaders = {};\n\n super.destroy();\n }\n\n onFragLoading (data) {\n const frag = data.frag,\n type = frag.type,\n loaders = this.loaders,\n config = this.hls.config,\n FragmentILoader = config.fLoader,\n DefaultILoader = config.loader;\n\n // reset fragment state\n frag.loaded = 0;\n\n let loader = loaders[type];\n if (loader) {\n logger.warn(`abort previous fragment loader for type: ${type}`);\n loader.abort();\n }\n\n loader = loaders[type] = frag.loader =\n config.fLoader ? new FragmentILoader(config) : new DefaultILoader(config);\n\n let loaderContext, loaderConfig, loaderCallbacks;\n\n loaderContext = { url: frag.url, frag: frag, responseType: 'arraybuffer', progressData: false };\n\n let start = frag.byteRangeStartOffset,\n end = frag.byteRangeEndOffset;\n\n if (Number.isFinite(start) && Number.isFinite(end)) {\n loaderContext.rangeStart = start;\n loaderContext.rangeEnd = end;\n }\n\n loaderConfig = {\n timeout: config.fragLoadingTimeOut,\n maxRetry: 0,\n retryDelay: 0,\n maxRetryDelay: config.fragLoadingMaxRetryTimeout\n };\n\n loaderCallbacks = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this),\n onProgress: this.loadprogress.bind(this)\n };\n\n loader.load(loaderContext, loaderConfig, loaderCallbacks);\n }\n\n loadsuccess (response, stats, context, networkDetails = null) {\n let payload = response.data, frag = context.frag;\n // detach fragment loader on load success\n frag.loader = undefined;\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.FRAG_LOADED, { payload: payload, frag: frag, stats: stats, networkDetails: networkDetails });\n }\n\n loaderror (response, context, networkDetails = null) {\n const frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.FRAG_LOAD_ERROR, fatal: false, frag: context.frag, response: response, networkDetails: networkDetails });\n }\n\n loadtimeout (stats, context, networkDetails = null) {\n const frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n this.loaders[frag.type] = undefined;\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.FRAG_LOAD_TIMEOUT, fatal: false, frag: context.frag, networkDetails: networkDetails });\n }\n\n // data will be used for progressive parsing\n loadprogress (stats, context, data, networkDetails = null) { // jshint ignore:line\n let frag = context.frag;\n frag.loaded = stats.loaded;\n this.hls.trigger(Event.FRAG_LOAD_PROGRESS, { frag: frag, stats: stats, networkDetails: networkDetails });\n }\n}\n\nexport default FragmentLoader;\n","/*\n * Decrypt key Loader\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport Hls from '../hls';\nimport Fragment from './fragment';\nimport { LoaderStats, LoaderResponse, LoaderContext, LoaderConfiguration, LoaderCallbacks } from '../types/loader';\n\ninterface OnKeyLoadingPayload {\n frag: Fragment\n}\n\ninterface KeyLoaderContext extends LoaderContext {\n frag: Fragment\n}\n\nclass KeyLoader extends EventHandler {\n public loaders = {};\n public decryptkey: Uint8Array | null = null;\n public decrypturl: string | null = null;\n\n constructor (hls: Hls) {\n super(hls, Event.KEY_LOADING);\n }\n\n destroy (): void {\n for (const loaderName in this.loaders) {\n let loader = this.loaders[loaderName];\n if (loader) {\n loader.destroy();\n }\n }\n this.loaders = {};\n\n super.destroy();\n }\n\n onKeyLoading (data: OnKeyLoadingPayload) {\n const { frag } = data;\n const type = frag.type;\n const loader = this.loaders[type];\n if (!frag.decryptdata) {\n logger.warn('Missing decryption data on fragment in onKeyLoading');\n return;\n }\n\n // Load the key if the uri is different from previous one, or if the decrypt key has not yet been retrieved\n const uri = frag.decryptdata.uri;\n if (uri !== this.decrypturl || this.decryptkey === null) {\n let config = this.hls.config;\n if (loader) {\n logger.warn(`abort previous key loader for type:${type}`);\n loader.abort();\n }\n if (!uri) {\n logger.warn('key uri is falsy');\n return;\n }\n\n frag.loader = this.loaders[type] = new config.loader(config);\n this.decrypturl = uri;\n this.decryptkey = null;\n\n const loaderContext: KeyLoaderContext = {\n url: uri,\n frag: frag,\n responseType: 'arraybuffer'\n };\n\n // maxRetry is 0 so that instead of retrying the same key on the same variant multiple times,\n // key-loader will trigger an error and rely on stream-controller to handle retry logic.\n // this will also align retry logic with fragment-loader\n const loaderConfig: LoaderConfiguration = {\n timeout: config.fragLoadingTimeOut,\n maxRetry: 0,\n retryDelay: config.fragLoadingRetryDelay,\n maxRetryDelay: config.fragLoadingMaxRetryTimeout\n };\n\n const loaderCallbacks: LoaderCallbacks<KeyLoaderContext> = {\n onSuccess: this.loadsuccess.bind(this),\n onError: this.loaderror.bind(this),\n onTimeout: this.loadtimeout.bind(this)\n };\n\n frag.loader.load(loaderContext, loaderConfig, loaderCallbacks);\n } else if (this.decryptkey) {\n // Return the key if it's already been loaded\n frag.decryptdata.key = this.decryptkey;\n this.hls.trigger(Event.KEY_LOADED, { frag: frag });\n }\n }\n\n loadsuccess (response: LoaderResponse, stats: LoaderStats, context: KeyLoaderContext) {\n let frag = context.frag;\n if (!frag.decryptdata) {\n logger.error('after key load, decryptdata unset');\n return;\n }\n this.decryptkey = frag.decryptdata.key = new Uint8Array(response.data as ArrayBuffer);\n\n // detach fragment loader on load success\n frag.loader = undefined;\n delete this.loaders[frag.type];\n this.hls.trigger(Event.KEY_LOADED, { frag: frag });\n }\n\n loaderror (response: LoaderResponse, context: KeyLoaderContext) {\n let frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n delete this.loaders[frag.type];\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.KEY_LOAD_ERROR, fatal: false, frag, response });\n }\n\n loadtimeout (stats: LoaderStats, context: KeyLoaderContext) {\n let frag = context.frag;\n let loader = frag.loader;\n if (loader) {\n loader.abort();\n }\n\n delete this.loaders[frag.type];\n this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.KEY_LOAD_TIMEOUT, fatal: false, frag });\n }\n}\n\nexport default KeyLoader;\n","import EventHandler from '../event-handler';\nimport Event from '../events';\n\nexport const FragmentState = {\n NOT_LOADED: 'NOT_LOADED',\n APPENDING: 'APPENDING',\n PARTIAL: 'PARTIAL',\n OK: 'OK'\n};\n\nexport class FragmentTracker extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.BUFFER_APPENDED,\n Event.FRAG_BUFFERED,\n Event.FRAG_LOADED\n );\n\n this.bufferPadding = 0.2;\n\n this.fragments = Object.create(null);\n this.timeRanges = Object.create(null);\n\n this.config = hls.config;\n }\n\n destroy () {\n this.fragments = Object.create(null);\n this.timeRanges = Object.create(null);\n this.config = null;\n EventHandler.prototype.destroy.call(this);\n super.destroy();\n }\n\n /**\n * Return a Fragment that match the position and levelType.\n * If not found any Fragment, return null\n * @param {number} position\n * @param {LevelType} levelType\n * @returns {Fragment|null}\n */\n getBufferedFrag (position, levelType) {\n const fragments = this.fragments;\n const bufferedFrags = Object.keys(fragments).filter(key => {\n const fragmentEntity = fragments[key];\n if (fragmentEntity.body.type !== levelType) {\n return false;\n }\n\n if (!fragmentEntity.buffered) {\n return false;\n }\n\n const frag = fragmentEntity.body;\n return frag.startPTS <= position && position <= frag.endPTS;\n });\n if (bufferedFrags.length === 0) {\n return null;\n } else {\n // https://github.com/video-dev/hls.js/pull/1545#discussion_r166229566\n const bufferedFragKey = bufferedFrags.pop();\n return fragments[bufferedFragKey].body;\n }\n }\n\n /**\n * Partial fragments effected by coded frame eviction will be removed\n * The browser will unload parts of the buffer to free up memory for new buffer data\n * Fragments will need to be reloaded when the buffer is freed up, removing partial fragments will allow them to reload(since there might be parts that are still playable)\n * @param {String} elementaryStream The elementaryStream of media this is (eg. video/audio)\n * @param {TimeRanges} timeRange TimeRange object from a sourceBuffer\n */\n detectEvictedFragments (elementaryStream, timeRange) {\n let fragmentTimes, time;\n // Check if any flagged fragments have been unloaded\n Object.keys(this.fragments).forEach(key => {\n const fragmentEntity = this.fragments[key];\n if (fragmentEntity.buffered === true) {\n const esData = fragmentEntity.range[elementaryStream];\n if (esData) {\n fragmentTimes = esData.time;\n for (let i = 0; i < fragmentTimes.length; i++) {\n time = fragmentTimes[i];\n\n if (this.isTimeBuffered(time.startPTS, time.endPTS, timeRange) === false) {\n // Unregister partial fragment as it needs to load again to be reused\n this.removeFragment(fragmentEntity.body);\n break;\n }\n }\n }\n }\n });\n }\n\n /**\n * Checks if the fragment passed in is loaded in the buffer properly\n * Partially loaded fragments will be registered as a partial fragment\n * @param {Object} fragment Check the fragment against all sourceBuffers loaded\n */\n detectPartialFragments (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n let fragmentEntity = this.fragments[fragKey];\n if (fragmentEntity) {\n fragmentEntity.buffered = true;\n\n Object.keys(this.timeRanges).forEach(elementaryStream => {\n if (fragment.hasElementaryStream(elementaryStream)) {\n let timeRange = this.timeRanges[elementaryStream];\n // Check for malformed fragments\n // Gaps need to be calculated for each elementaryStream\n fragmentEntity.range[elementaryStream] = this.getBufferedTimes(fragment.startPTS, fragment.endPTS, timeRange);\n }\n });\n }\n }\n\n getBufferedTimes (startPTS, endPTS, timeRange) {\n let fragmentTimes = [];\n let startTime, endTime;\n let fragmentPartial = false;\n for (let i = 0; i < timeRange.length; i++) {\n startTime = timeRange.start(i) - this.bufferPadding;\n endTime = timeRange.end(i) + this.bufferPadding;\n if (startPTS >= startTime && endPTS <= endTime) {\n // Fragment is entirely contained in buffer\n // No need to check the other timeRange times since it's completely playable\n fragmentTimes.push({\n startPTS: Math.max(startPTS, timeRange.start(i)),\n endPTS: Math.min(endPTS, timeRange.end(i))\n });\n break;\n } else if (startPTS < endTime && endPTS > startTime) {\n // Check for intersection with buffer\n // Get playable sections of the fragment\n fragmentTimes.push({\n startPTS: Math.max(startPTS, timeRange.start(i)),\n endPTS: Math.min(endPTS, timeRange.end(i))\n });\n fragmentPartial = true;\n } else if (endPTS <= startTime) {\n // No need to check the rest of the timeRange as it is in order\n break;\n }\n }\n\n return {\n time: fragmentTimes,\n partial: fragmentPartial\n };\n }\n\n getFragmentKey (fragment) {\n return `${fragment.type}_${fragment.level}_${fragment.urlId}_${fragment.sn}`;\n }\n\n /**\n * Gets the partial fragment for a certain time\n * @param {Number} time\n * @returns {Object} fragment Returns a partial fragment at a time or null if there is no partial fragment\n */\n getPartialFragment (time) {\n let timePadding, startTime, endTime;\n let bestFragment = null;\n let bestOverlap = 0;\n Object.keys(this.fragments).forEach(key => {\n const fragmentEntity = this.fragments[key];\n if (this.isPartial(fragmentEntity)) {\n startTime = fragmentEntity.body.startPTS - this.bufferPadding;\n endTime = fragmentEntity.body.endPTS + this.bufferPadding;\n if (time >= startTime && time <= endTime) {\n // Use the fragment that has the most padding from start and end time\n timePadding = Math.min(time - startTime, endTime - time);\n if (bestOverlap <= timePadding) {\n bestFragment = fragmentEntity.body;\n bestOverlap = timePadding;\n }\n }\n }\n });\n return bestFragment;\n }\n\n /**\n * @param {Object} fragment The fragment to check\n * @returns {String} Returns the fragment state when a fragment never loaded or if it partially loaded\n */\n getState (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n let fragmentEntity = this.fragments[fragKey];\n let state = FragmentState.NOT_LOADED;\n\n if (fragmentEntity !== undefined) {\n if (!fragmentEntity.buffered) {\n state = FragmentState.APPENDING;\n } else if (this.isPartial(fragmentEntity) === true) {\n state = FragmentState.PARTIAL;\n } else {\n state = FragmentState.OK;\n }\n }\n\n return state;\n }\n\n isPartial (fragmentEntity) {\n return fragmentEntity.buffered === true &&\n ((fragmentEntity.range.video !== undefined && fragmentEntity.range.video.partial === true) ||\n (fragmentEntity.range.audio !== undefined && fragmentEntity.range.audio.partial === true));\n }\n\n isTimeBuffered (startPTS, endPTS, timeRange) {\n let startTime, endTime;\n for (let i = 0; i < timeRange.length; i++) {\n startTime = timeRange.start(i) - this.bufferPadding;\n endTime = timeRange.end(i) + this.bufferPadding;\n if (startPTS >= startTime && endPTS <= endTime) {\n return true;\n }\n\n if (endPTS <= startTime) {\n // No need to check the rest of the timeRange as it is in order\n return false;\n }\n }\n\n return false;\n }\n\n /**\n * Fires when a fragment loading is completed\n */\n onFragLoaded (e) {\n const fragment = e.frag;\n // don't track initsegment (for which sn is not a number)\n // don't track frags used for bitrateTest, they're irrelevant.\n if (!Number.isFinite(fragment.sn) || fragment.bitrateTest) {\n return;\n }\n\n this.fragments[this.getFragmentKey(fragment)] = {\n body: fragment,\n range: Object.create(null),\n buffered: false\n };\n }\n\n /**\n * Fires when the buffer is updated\n */\n onBufferAppended (e) {\n // Store the latest timeRanges loaded in the buffer\n this.timeRanges = e.timeRanges;\n Object.keys(this.timeRanges).forEach(elementaryStream => {\n let timeRange = this.timeRanges[elementaryStream];\n this.detectEvictedFragments(elementaryStream, timeRange);\n });\n }\n\n /**\n * Fires after a fragment has been loaded into the source buffer\n */\n onFragBuffered (e) {\n this.detectPartialFragments(e.frag);\n }\n\n /**\n * Return true if fragment tracker has the fragment.\n * @param {Object} fragment\n * @returns {boolean}\n */\n hasFragment (fragment) {\n const fragKey = this.getFragmentKey(fragment);\n return this.fragments[fragKey] !== undefined;\n }\n\n /**\n * Remove a fragment from fragment tracker until it is loaded again\n * @param {Object} fragment The fragment to remove\n */\n removeFragment (fragment) {\n let fragKey = this.getFragmentKey(fragment);\n delete this.fragments[fragKey];\n }\n\n /**\n * Remove all fragments from fragment tracker.\n */\n removeAllFragments () {\n this.fragments = Object.create(null);\n }\n}\n","type BinarySearchComparison < T > = (candidate: T) => -1 | 0 | 1;\n\nconst BinarySearch = {\n\n /**\n * Searches for an item in an array which matches a certain condition.\n * This requires the condition to only match one item in the array,\n * and for the array to be ordered.\n *\n * @param {Array<T>} list The array to search.\n * @param {BinarySearchComparison<T>} comparisonFn\n * Called and provided a candidate item as the first argument.\n * Should return:\n * > -1 if the item should be located at a lower index than the provided item.\n * > 1 if the item should be located at a higher index than the provided item.\n * > 0 if the item is the item you're looking for.\n *\n * @return {T | null} The object if it is found or null otherwise.\n */\n search: function<T> (list: T[], comparisonFn: BinarySearchComparison<T>): T | null {\n let minIndex: number = 0;\n let maxIndex: number = list.length - 1;\n let currentIndex: number | null = null;\n let currentElement: T | null = null;\n\n while (minIndex <= maxIndex) {\n currentIndex = (minIndex + maxIndex) / 2 | 0;\n currentElement = list[currentIndex];\n\n let comparisonResult = comparisonFn(currentElement);\n if (comparisonResult > 0) {\n minIndex = currentIndex + 1;\n } else if (comparisonResult < 0) {\n maxIndex = currentIndex - 1;\n } else {\n return currentElement;\n }\n }\n\n return null;\n }\n};\n\nexport default BinarySearch;\n","/**\n * @module BufferHelper\n *\n * Providing methods dealing with buffer length retrieval for example.\n *\n * In general, a helper around HTML5 MediaElement TimeRanges gathered from `buffered` property.\n *\n * Also @see https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/buffered\n*/\n\ntype BufferTimeRange = {\n start: number\n end: number\n};\n\ntype Bufferable = {\n buffered: TimeRanges\n};\n\nexport class BufferHelper {\n /**\n * Return true if `media`'s buffered include `position`\n * @param {Bufferable} media\n * @param {number} position\n * @returns {boolean}\n */\n static isBuffered (media: Bufferable, position: number): boolean {\n try {\n if (media) {\n let buffered = media.buffered;\n for (let i = 0; i < buffered.length; i++) {\n if (position >= buffered.start(i) && position <= buffered.end(i)) {\n return true;\n }\n }\n }\n } catch (error) {\n // this is to catch\n // InvalidStateError: Failed to read the 'buffered' property from 'SourceBuffer':\n // This SourceBuffer has been removed from the parent media source\n }\n return false;\n }\n\n static bufferInfo (\n media: Bufferable,\n pos: number,\n maxHoleDuration: number\n ): {\n len: number,\n start: number,\n end: number,\n nextStart?: number,\n } {\n try {\n if (media) {\n let vbuffered = media.buffered;\n let buffered: BufferTimeRange[] = [];\n let i: number;\n for (i = 0; i < vbuffered.length; i++) {\n buffered.push({ start: vbuffered.start(i), end: vbuffered.end(i) });\n }\n\n return this.bufferedInfo(buffered, pos, maxHoleDuration);\n }\n } catch (error) {\n // this is to catch\n // InvalidStateError: Failed to read the 'buffered' property from 'SourceBuffer':\n // This SourceBuffer has been removed from the parent media source\n }\n return { len: 0, start: pos, end: pos, nextStart: undefined };\n }\n\n static bufferedInfo (\n buffered: BufferTimeRange[],\n pos: number,\n maxHoleDuration: number\n ): {\n len: number,\n start: number,\n end: number,\n nextStart?: number,\n } {\n // sort on buffer.start/smaller end (IE does not always return sorted buffered range)\n buffered.sort(function (a, b) {\n let diff = a.start - b.start;\n if (diff) {\n return diff;\n } else {\n return b.end - a.end;\n }\n });\n\n let buffered2: BufferTimeRange[] = [];\n if (maxHoleDuration) {\n // there might be some small holes between buffer time range\n // consider that holes smaller than maxHoleDuration are irrelevant and build another\n // buffer time range representations that discards those holes\n for (let i = 0; i < buffered.length; i++) {\n let buf2len = buffered2.length;\n if (buf2len) {\n let buf2end = buffered2[buf2len - 1].end;\n // if small hole (value between 0 or maxHoleDuration ) or overlapping (negative)\n if ((buffered[i].start - buf2end) < maxHoleDuration) {\n // merge overlapping time ranges\n // update lastRange.end only if smaller than item.end\n // e.g. [ 1, 15] with [ 2,8] => [ 1,15] (no need to modify lastRange.end)\n // whereas [ 1, 8] with [ 2,15] => [ 1,15] ( lastRange should switch from [1,8] to [1,15])\n if (buffered[i].end > buf2end) {\n buffered2[buf2len - 1].end = buffered[i].end;\n }\n } else {\n // big hole\n buffered2.push(buffered[i]);\n }\n } else {\n // first value\n buffered2.push(buffered[i]);\n }\n }\n } else {\n buffered2 = buffered;\n }\n\n let bufferLen = 0;\n\n // bufferStartNext can possibly be undefined based on the conditional logic below\n let bufferStartNext: number | undefined;\n\n // bufferStart and bufferEnd are buffer boundaries around current video position\n let bufferStart: number = pos;\n let bufferEnd: number = pos;\n for (let i = 0; i < buffered2.length; i++) {\n let start = buffered2[i].start,\n end = buffered2[i].end;\n // logger.log('buf start/end:' + buffered.start(i) + '/' + buffered.end(i));\n if ((pos + maxHoleDuration) >= start && pos < end) {\n // play position is inside this buffer TimeRange, retrieve end of buffer position and buffer length\n bufferStart = start;\n bufferEnd = end;\n bufferLen = bufferEnd - pos;\n } else if ((pos + maxHoleDuration) < start) {\n bufferStartNext = start;\n break;\n }\n }\n return { len: bufferLen, start: bufferStart, end: bufferEnd, nextStart: bufferStartNext };\n }\n\n // Trying to find buffered position within `maxFragLookUpTolerance`. Returns same position if\n // current time is already inside of buffered range or there is no buffered fragment\n // within `maxFragLookUpTolerance`.\n static getBufferedPosWithinTolerance(media, pos, maxFragLookUpTolerance) {\n const currentTime = media ? media.currentTime : undefined;\n\n // No need to seek if current playback position is already inside buffered range\n if (BufferHelper.isBuffered(media, currentTime)) {\n return pos;\n }\n\n const buffered = media.buffered;\n for (let i = 0; i < buffered.length; i++) {\n const start = buffered.start(i);\n\n // Returns the start position of buffered range if `currentTime` is within `maxFragLookUpTolerance` range\n if (start > currentTime && start < currentTime + maxFragLookUpTolerance) {\n return Math.ceil(start * 10) / 10;\n }\n }\n\n return pos;\n }\n}\n","/**\n * MediaSource helper\n */\n\nexport function getMediaSource (): typeof MediaSource | undefined {\n return (window as any).MediaSource || (window as any).WebKitMediaSource;\n}\n","import { EventEmitter } from 'eventemitter3';\n\n/**\n * Simple adapter sub-class of Nodejs-like EventEmitter.\n */\nexport class Observer extends EventEmitter {\n /**\n * We simply want to pass along the event-name itself\n * in every call to a handler, which is the purpose of our `trigger` method\n * extending the standard API.\n */\n trigger (event: string, ...data: Array<any>): void {\n this.emit(event, event, ...data);\n }\n}\n","import { EventEmitter } from 'eventemitter3';\nimport * as work from 'webworkify-webpack';\n\nimport Event from '../events';\nimport DemuxerInline from '../demux/demuxer-inline';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { getMediaSource } from '../utils/mediasource-helper';\nimport { getSelfScope } from '../utils/get-self-scope';\n\nimport { Observer } from '../observer';\n\n// see https://stackoverflow.com/a/11237259/589493\nconst global = getSelfScope(); // safeguard for code that might run both on worker and main thread\nconst MediaSource = getMediaSource() || { isTypeSupported: () => false };\n\nclass Demuxer {\n constructor (hls, id) {\n this.hls = hls;\n this.id = id;\n\n const observer = this.observer = new Observer();\n const config = hls.config;\n\n const forwardMessage = (ev, data) => {\n data = data || {};\n data.frag = this.frag;\n data.id = this.id;\n hls.trigger(ev, data);\n };\n\n // forward events to main thread\n observer.on(Event.FRAG_DECRYPTED, forwardMessage);\n observer.on(Event.FRAG_PARSING_INIT_SEGMENT, forwardMessage);\n observer.on(Event.FRAG_PARSING_DATA, forwardMessage);\n observer.on(Event.FRAG_PARSED, forwardMessage);\n observer.on(Event.ERROR, forwardMessage);\n observer.on(Event.FRAG_PARSING_METADATA, forwardMessage);\n observer.on(Event.FRAG_PARSING_USERDATA, forwardMessage);\n observer.on(Event.INIT_PTS_FOUND, forwardMessage);\n\n const typeSupported = {\n mp4: MediaSource.isTypeSupported('video/mp4'),\n mpeg: MediaSource.isTypeSupported('audio/mpeg'),\n mp3: MediaSource.isTypeSupported('audio/mp4; codecs=\"mp3\"')\n };\n // navigator.vendor is not always available in Web Worker\n // refer to https://developer.mozilla.org/en-US/docs/Web/API/WorkerGlobalScope/navigator\n const vendor = navigator.vendor;\n if (config.enableWorker && (typeof (Worker) !== 'undefined')) {\n logger.log('demuxing in webworker');\n let w;\n try {\n w = this.w = work(require.resolve('../demux/demuxer-worker.js'));\n this.onwmsg = this.onWorkerMessage.bind(this);\n w.addEventListener('message', this.onwmsg);\n w.onerror = function (event) {\n hls.trigger(Event.ERROR, { type: ErrorTypes.OTHER_ERROR, details: ErrorDetails.INTERNAL_EXCEPTION, fatal: true, event: 'demuxerWorker', err: { message: event.message + ' (' + event.filename + ':' + event.lineno + ')' } });\n };\n w.postMessage({ cmd: 'init', typeSupported: typeSupported, vendor: vendor, id: id, config: JSON.stringify(config) });\n } catch (err) {\n logger.warn('Error in worker:', err);\n logger.error('Error while initializing DemuxerWorker, fallback on DemuxerInline');\n if (w) {\n // revoke the Object URL that was used to create demuxer worker, so as not to leak it\n global.URL.revokeObjectURL(w.objectURL);\n }\n this.demuxer = new DemuxerInline(observer, typeSupported, config, vendor);\n this.w = undefined;\n }\n } else {\n this.demuxer = new DemuxerInline(observer, typeSupported, config, vendor);\n }\n }\n\n destroy () {\n let w = this.w;\n if (w) {\n w.removeEventListener('message', this.onwmsg);\n w.terminate();\n this.w = null;\n } else {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.destroy();\n this.demuxer = null;\n }\n }\n const observer = this.observer;\n if (observer) {\n observer.removeAllListeners();\n this.observer = null;\n }\n }\n\n push (data, initSegment, audioCodec, videoCodec, frag, duration, accurateTimeOffset, defaultInitPTS) {\n const w = this.w;\n const timeOffset = Number.isFinite(frag.startPTS) ? frag.startPTS : frag.start;\n const decryptdata = frag.decryptdata;\n const lastFrag = this.frag;\n const discontinuity = !(lastFrag && (frag.cc === lastFrag.cc));\n const trackSwitch = !(lastFrag && (frag.level === lastFrag.level));\n const nextSN = lastFrag && (frag.sn === (lastFrag.sn + 1));\n const contiguous = !trackSwitch && nextSN;\n if (discontinuity) {\n logger.log(`${this.id}:discontinuity detected`);\n }\n\n if (trackSwitch) {\n logger.log(`${this.id}:switch detected`);\n }\n\n this.frag = frag;\n if (w) {\n // post fragment payload as transferable objects for ArrayBuffer (no copy)\n w.postMessage({ cmd: 'demux', data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS }, data instanceof ArrayBuffer ? [data] : []);\n } else {\n let demuxer = this.demuxer;\n if (demuxer) {\n demuxer.push(data, decryptdata, initSegment, audioCodec, videoCodec, timeOffset, discontinuity, trackSwitch, contiguous, duration, accurateTimeOffset, defaultInitPTS);\n }\n }\n }\n\n onWorkerMessage (ev) {\n let data = ev.data,\n hls = this.hls;\n switch (data.event) {\n case 'init':\n // revoke the Object URL that was used to create demuxer worker, so as not to leak it\n global.URL.revokeObjectURL(this.w.objectURL);\n break;\n // special case for FRAG_PARSING_DATA: data1 and data2 are transferable objects\n case Event.FRAG_PARSING_DATA:\n data.data.data1 = new Uint8Array(data.data1);\n if (data.data2) {\n data.data.data2 = new Uint8Array(data.data2);\n }\n\n /* falls through */\n default:\n data.data = data.data || {};\n data.data.frag = this.frag;\n data.data.id = this.id;\n hls.trigger(data.event, data.data);\n break;\n }\n }\n}\n\nexport default Demuxer;\n","/**\n * @module LevelHelper\n *\n * Providing methods dealing with playlist sliding and drift\n *\n * TODO: Create an actual `Level` class/model that deals with all this logic in an object-oriented-manner.\n *\n * */\n\nimport { logger } from '../utils/logger';\n\nexport function addGroupId (level, type, id) {\n switch (type) {\n case 'audio':\n if (!level.audioGroupIds) {\n level.audioGroupIds = [];\n }\n level.audioGroupIds.push(id);\n break;\n case 'text':\n if (!level.textGroupIds) {\n level.textGroupIds = [];\n }\n level.textGroupIds.push(id);\n break;\n }\n}\n\nexport function updatePTS (fragments, fromIdx, toIdx) {\n let fragFrom = fragments[fromIdx], fragTo = fragments[toIdx], fragToPTS = fragTo.startPTS;\n // if we know startPTS[toIdx]\n if (Number.isFinite(fragToPTS)) {\n // update fragment duration.\n // it helps to fix drifts between playlist reported duration and fragment real duration\n if (toIdx > fromIdx) {\n fragFrom.duration = fragToPTS - fragFrom.start;\n if (fragFrom.duration < 0) {\n logger.warn(`negative duration computed for frag ${fragFrom.sn},level ${fragFrom.level}, there should be some duration drift between playlist and fragment!`);\n }\n } else {\n fragTo.duration = fragFrom.start - fragToPTS;\n if (fragTo.duration < 0) {\n logger.warn(`negative duration computed for frag ${fragTo.sn},level ${fragTo.level}, there should be some duration drift between playlist and fragment!`);\n }\n }\n } else {\n // we dont know startPTS[toIdx]\n if (toIdx > fromIdx) {\n fragTo.start = fragFrom.start + fragFrom.duration;\n } else {\n fragTo.start = Math.max(fragFrom.start - fragTo.duration, 0);\n }\n }\n}\n\nexport function updateFragPTSDTS (details, frag, startPTS, endPTS, startDTS, endDTS) {\n // update frag PTS/DTS\n let maxStartPTS = startPTS;\n if (Number.isFinite(frag.startPTS)) {\n // delta PTS between audio and video\n let deltaPTS = Math.abs(frag.startPTS - startPTS);\n if (!Number.isFinite(frag.deltaPTS)) {\n frag.deltaPTS = deltaPTS;\n } else {\n frag.deltaPTS = Math.max(deltaPTS, frag.deltaPTS);\n }\n\n maxStartPTS = Math.max(startPTS, frag.startPTS);\n startPTS = Math.min(startPTS, frag.startPTS);\n endPTS = Math.max(endPTS, frag.endPTS);\n startDTS = Math.min(startDTS, frag.startDTS);\n endDTS = Math.max(endDTS, frag.endDTS);\n }\n\n const drift = startPTS - frag.start;\n frag.start = frag.startPTS = startPTS;\n frag.maxStartPTS = maxStartPTS;\n frag.endPTS = endPTS;\n frag.startDTS = startDTS;\n frag.endDTS = endDTS;\n frag.duration = endPTS - startPTS;\n\n const sn = frag.sn;\n // exit if sn out of range\n if (!details || sn < details.startSN || sn > details.endSN) {\n return 0;\n }\n\n let fragIdx, fragments, i;\n fragIdx = sn - details.startSN;\n fragments = details.fragments;\n // update frag reference in fragments array\n // rationale is that fragments array might not contain this frag object.\n // this will happen if playlist has been refreshed between frag loading and call to updateFragPTSDTS()\n // if we don't update frag, we won't be able to propagate PTS info on the playlist\n // resulting in invalid sliding computation\n fragments[fragIdx] = frag;\n // adjust fragment PTS/duration from seqnum-1 to frag 0\n for (i = fragIdx; i > 0; i--) {\n updatePTS(fragments, i, i - 1);\n }\n\n // adjust fragment PTS/duration from seqnum to last frag\n for (i = fragIdx; i < fragments.length - 1; i++) {\n updatePTS(fragments, i, i + 1);\n }\n\n details.PTSKnown = true;\n return drift;\n}\n\nexport function mergeDetails (oldDetails, newDetails) {\n // potentially retrieve cached initsegment\n if (newDetails.initSegment && oldDetails.initSegment) {\n newDetails.initSegment = oldDetails.initSegment;\n }\n\n // check if old/new playlists have fragments in common\n // loop through overlapping SN and update startPTS , cc, and duration if any found\n let ccOffset = 0;\n let PTSFrag;\n mapFragmentIntersection(oldDetails, newDetails, (oldFrag, newFrag) => {\n ccOffset = oldFrag.cc - newFrag.cc;\n if (Number.isFinite(oldFrag.startPTS)) {\n newFrag.start = newFrag.startPTS = oldFrag.startPTS;\n newFrag.endPTS = oldFrag.endPTS;\n newFrag.duration = oldFrag.duration;\n newFrag.backtracked = oldFrag.backtracked;\n newFrag.dropped = oldFrag.dropped;\n PTSFrag = newFrag;\n }\n // PTS is known when there are overlapping segments\n newDetails.PTSKnown = true;\n });\n\n if (!newDetails.PTSKnown) {\n return;\n }\n\n if (ccOffset) {\n logger.log('discontinuity sliding from playlist, take drift into account');\n const newFragments = newDetails.fragments;\n for (let i = 0; i < newFragments.length; i++) {\n newFragments[i].cc += ccOffset;\n }\n }\n\n // if at least one fragment contains PTS info, recompute PTS information for all fragments\n if (PTSFrag) {\n updateFragPTSDTS(newDetails, PTSFrag, PTSFrag.startPTS, PTSFrag.endPTS, PTSFrag.startDTS, PTSFrag.endDTS);\n } else {\n // ensure that delta is within oldFragments range\n // also adjust sliding in case delta is 0 (we could have old=[50-60] and new=old=[50-61])\n // in that case we also need to adjust start offset of all fragments\n adjustSliding(oldDetails, newDetails);\n }\n // if we are here, it means we have fragments overlapping between\n // old and new level. reliable PTS info is thus relying on old level\n newDetails.PTSKnown = oldDetails.PTSKnown;\n}\n\nexport function mergeSubtitlePlaylists (oldPlaylist, newPlaylist, referenceStart = 0) {\n let lastIndex = -1;\n mapFragmentIntersection(oldPlaylist, newPlaylist, (oldFrag, newFrag, index) => {\n newFrag.start = oldFrag.start;\n lastIndex = index;\n });\n\n const frags = newPlaylist.fragments;\n if (lastIndex < 0) {\n frags.forEach(frag => {\n frag.start += referenceStart;\n });\n return;\n }\n\n for (let i = lastIndex + 1; i < frags.length; i++) {\n frags[i].start = (frags[i - 1].start + frags[i - 1].duration);\n }\n}\n\nexport function mapFragmentIntersection (oldPlaylist, newPlaylist, intersectionFn) {\n if (!oldPlaylist || !newPlaylist) {\n return;\n }\n\n const start = Math.max(oldPlaylist.startSN, newPlaylist.startSN) - newPlaylist.startSN;\n const end = Math.min(oldPlaylist.endSN, newPlaylist.endSN) - newPlaylist.startSN;\n const delta = newPlaylist.startSN - oldPlaylist.startSN;\n\n for (let i = start; i <= end; i++) {\n const oldFrag = oldPlaylist.fragments[delta + i];\n const newFrag = newPlaylist.fragments[i];\n if (!oldFrag || !newFrag) {\n break;\n }\n intersectionFn(oldFrag, newFrag, i);\n }\n}\n\nexport function adjustSliding (oldPlaylist, newPlaylist) {\n const delta = newPlaylist.startSN - oldPlaylist.startSN;\n const oldFragments = oldPlaylist.fragments;\n const newFragments = newPlaylist.fragments;\n\n if (delta < 0 || delta > oldFragments.length) {\n return;\n }\n for (let i = 0; i < newFragments.length; i++) {\n newFragments[i].start += oldFragments[delta].start;\n }\n}\n\nexport function computeReloadInterval (currentPlaylist, newPlaylist, lastRequestTime) {\n let reloadInterval = 1000 * (newPlaylist.averagetargetduration ? newPlaylist.averagetargetduration : newPlaylist.targetduration);\n const minReloadInterval = reloadInterval / 2;\n if (currentPlaylist && newPlaylist.endSN === currentPlaylist.endSN) {\n // follow HLS Spec, If the client reloads a Playlist file and finds that it has not\n // changed then it MUST wait for a period of one-half the target\n // duration before retrying.\n reloadInterval = minReloadInterval;\n }\n\n if (lastRequestTime) {\n reloadInterval = Math.max(minReloadInterval, reloadInterval - (window.performance.now() - lastRequestTime));\n }\n // in any case, don't reload more than half of target duration\n return Math.round(reloadInterval);\n}\n","/**\n * TimeRanges to string helper\n */\n\nconst TimeRanges = {\n toString: function (r: TimeRanges) {\n let log = '';\n let len = r.length;\n for (let i = 0; i < len; i++) {\n log += '[' + r.start(i).toFixed(3) + ',' + r.end(i).toFixed(3) + ']';\n }\n\n return log;\n }\n};\n\nexport default TimeRanges;\n","import BinarySearch from './binary-search';\nimport { logger } from '../utils/logger';\n\nexport function findFirstFragWithCC (fragments, cc) {\n let firstFrag = null;\n\n for (let i = 0; i < fragments.length; i += 1) {\n const currentFrag = fragments[i];\n if (currentFrag && currentFrag.cc === cc) {\n firstFrag = currentFrag;\n break;\n }\n }\n\n return firstFrag;\n}\n\nexport function findFragWithCC (fragments, CC) {\n return BinarySearch.search(fragments, (candidate) => {\n if (candidate.cc < CC) {\n return 1;\n } else if (candidate.cc > CC) {\n return -1;\n } else {\n return 0;\n }\n });\n}\n\nexport function shouldAlignOnDiscontinuities (lastFrag, lastLevel, details) {\n let shouldAlign = false;\n if (lastLevel && lastLevel.details && details) {\n if (details.endCC > details.startCC || (lastFrag && lastFrag.cc < details.startCC)) {\n shouldAlign = true;\n }\n }\n return shouldAlign;\n}\n\n// Find the first frag in the previous level which matches the CC of the first frag of the new level\nexport function findDiscontinuousReferenceFrag (prevDetails, curDetails) {\n const prevFrags = prevDetails.fragments;\n const curFrags = curDetails.fragments;\n\n if (!curFrags.length || !prevFrags.length) {\n logger.log('No fragments to align');\n return;\n }\n\n const prevStartFrag = findFirstFragWithCC(prevFrags, curFrags[0].cc);\n\n if (!prevStartFrag || (prevStartFrag && !prevStartFrag.startPTS)) {\n logger.log('No frag in previous level to align on');\n return;\n }\n\n return prevStartFrag;\n}\n\nexport function adjustPts (sliding, details) {\n details.fragments.forEach((frag) => {\n if (frag) {\n let start = frag.start + sliding;\n frag.start = frag.startPTS = start;\n frag.endPTS = start + frag.duration;\n }\n });\n details.PTSKnown = true;\n}\n\n/**\n * Using the parameters of the last level, this function computes PTS' of the new fragments so that they form a\n * contiguous stream with the last fragments.\n * The PTS of a fragment lets Hls.js know where it fits into a stream - by knowing every PTS, we know which fragment to\n * download at any given time. PTS is normally computed when the fragment is demuxed, so taking this step saves us time\n * and an extra download.\n * @param lastFrag\n * @param lastLevel\n * @param details\n */\nexport function alignStream (lastFrag, lastLevel, details) {\n alignDiscontinuities(lastFrag, details, lastLevel);\n if (!details.PTSKnown && lastLevel) {\n // If the PTS wasn't figured out via discontinuity sequence that means there was no CC increase within the level.\n // Aligning via Program Date Time should therefore be reliable, since PDT should be the same within the same\n // discontinuity sequence.\n alignPDT(details, lastLevel.details);\n }\n}\n\n/**\n * Computes the PTS if a new level's fragments using the PTS of a fragment in the last level which shares the same\n * discontinuity sequence.\n * @param lastLevel - The details of the last loaded level\n * @param details - The details of the new level\n */\nexport function alignDiscontinuities (lastFrag, details, lastLevel) {\n if (shouldAlignOnDiscontinuities(lastFrag, lastLevel, details)) {\n const referenceFrag = findDiscontinuousReferenceFrag(lastLevel.details, details);\n if (referenceFrag) {\n logger.log('Adjusting PTS using last level due to CC increase within current level');\n adjustPts(referenceFrag.start, details);\n }\n }\n}\n\n/**\n * Computes the PTS of a new level's fragments using the difference in Program Date Time from the last level.\n * @param details - The details of the new level\n * @param lastDetails - The details of the last loaded level\n */\nexport function alignPDT (details, lastDetails) {\n if (lastDetails && lastDetails.fragments.length) {\n if (!details.hasProgramDateTime || !lastDetails.hasProgramDateTime) {\n return;\n }\n // if last level sliding is 1000 and its first frag PROGRAM-DATE-TIME is 2017-08-20 1:10:00 AM\n // and if new details first frag PROGRAM DATE-TIME is 2017-08-20 1:10:08 AM\n // then we can deduce that playlist B sliding is 1000+8 = 1008s\n let lastPDT = lastDetails.fragments[0].programDateTime;\n let newPDT = details.fragments[0].programDateTime;\n // date diff is in ms. frag.start is in seconds\n let sliding = (newPDT - lastPDT) / 1000 + lastDetails.fragments[0].start;\n if (Number.isFinite(sliding)) {\n logger.log(`adjusting PTS using programDateTime delta, sliding:${sliding.toFixed(3)}`);\n adjustPts(sliding, details);\n }\n }\n}\n","import BinarySearch from '../utils/binary-search';\nimport Fragment from '../loader/fragment';\n\n/**\n * Returns first fragment whose endPdt value exceeds the given PDT.\n * @param {Array<Fragment>} fragments - The array of candidate fragments\n * @param {number|null} [PDTValue = null] - The PDT value which must be exceeded\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start/end can be within in order to be considered contiguous\n * @returns {*|null} fragment - The best matching fragment\n */\nexport function findFragmentByPDT (fragments: Array<Fragment>, PDTValue: number | null, maxFragLookUpTolerance: number): Fragment | null {\n if (PDTValue === null || !Array.isArray(fragments) || !fragments.length || !Number.isFinite(PDTValue)) {\n return null;\n }\n\n // if less than start\n const startPDT = fragments[0].programDateTime;\n if (PDTValue < (startPDT || 0)) {\n return null;\n }\n\n const endPDT = fragments[fragments.length - 1].endProgramDateTime;\n if (PDTValue >= (endPDT || 0)) {\n return null;\n }\n\n maxFragLookUpTolerance = maxFragLookUpTolerance || 0;\n for (let seg = 0; seg < fragments.length; ++seg) {\n let frag = fragments[seg];\n if (pdtWithinToleranceTest(PDTValue, maxFragLookUpTolerance, frag)) {\n return frag;\n }\n }\n\n return null;\n}\n\n/**\n * Finds a fragment based on the SN of the previous fragment; or based on the needs of the current buffer.\n * This method compensates for small buffer gaps by applying a tolerance to the start of any candidate fragment, thus\n * breaking any traps which would cause the same fragment to be continuously selected within a small range.\n * @param {*} fragPrevious - The last frag successfully appended\n * @param {Array<Fragment>} fragments - The array of candidate fragments\n * @param {number} [bufferEnd = 0] - The end of the contiguous buffered range the playhead is currently within\n * @param {number} maxFragLookUpTolerance - The amount of time that a fragment's start/end can be within in order to be considered contiguous\n * @returns {*} foundFrag - The best matching fragment\n */\nexport function findFragmentByPTS (fragPrevious: Fragment, fragments: Array<Fragment>, bufferEnd: number = 0, maxFragLookUpTolerance: number = 0): Fragment | null {\n const fragNext = fragPrevious ? fragments[fragPrevious.sn as number - (fragments[0].sn as number) + 1] : null;\n // Prefer the next fragment if it's within tolerance\n if (fragNext && !fragmentWithinToleranceTest(bufferEnd, maxFragLookUpTolerance, fragNext)) {\n return fragNext;\n }\n return BinarySearch.search(fragments, fragmentWithinToleranceTest.bind(null, bufferEnd, maxFragLookUpTolerance));\n}\n\n/**\n * The test function used by the findFragmentBySn's BinarySearch to look for the best match to the current buffer conditions.\n * @param {*} candidate - The fragment to test\n * @param {number} [bufferEnd = 0] - The end of the current buffered range the playhead is currently within\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start can be within in order to be considered contiguous\n * @returns {number} - 0 if it matches, 1 if too low, -1 if too high\n */\nexport function fragmentWithinToleranceTest (bufferEnd = 0, maxFragLookUpTolerance = 0, candidate: Fragment) {\n // offset should be within fragment boundary - config.maxFragLookUpTolerance\n // this is to cope with situations like\n // bufferEnd = 9.991\n // frag[Ø] : [0,10]\n // frag[1] : [10,20]\n // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here\n // frag start frag start+duration\n // |-----------------------------|\n // <---> <--->\n // ...--------><-----------------------------><---------....\n // previous frag matching fragment next frag\n // return -1 return 0 return 1\n // logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`);\n // Set the lookup tolerance to be small enough to detect the current segment - ensures we don't skip over very small segments\n let candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration + (candidate.deltaPTS ? candidate.deltaPTS : 0));\n if (candidate.start + candidate.duration - candidateLookupTolerance <= bufferEnd) {\n return 1;\n } else if (candidate.start - candidateLookupTolerance > bufferEnd && candidate.start) {\n // if maxFragLookUpTolerance will have negative value then don't return -1 for first element\n return -1;\n }\n\n return 0;\n}\n\n/**\n * The test function used by the findFragmentByPdt's BinarySearch to look for the best match to the current buffer conditions.\n * This function tests the candidate's program date time values, as represented in Unix time\n * @param {*} candidate - The fragment to test\n * @param {number} [pdtBufferEnd = 0] - The Unix time representing the end of the current buffered range\n * @param {number} [maxFragLookUpTolerance = 0] - The amount of time that a fragment's start can be within in order to be considered contiguous\n * @returns {boolean} True if contiguous, false otherwise\n */\nexport function pdtWithinToleranceTest (pdtBufferEnd: number, maxFragLookUpTolerance: number, candidate: Fragment): boolean {\n let candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration + (candidate.deltaPTS ? candidate.deltaPTS : 0)) * 1000;\n\n // endProgramDateTime can be null, default to zero\n const endProgramDateTime = candidate.endProgramDateTime || 0;\n return endProgramDateTime - candidateLookupTolerance > pdtBufferEnd;\n}\n","import { BufferHelper } from '../utils/buffer-helper';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport Event from '../events';\nimport { logger } from '../utils/logger';\n\nexport const STALL_MINIMUM_DURATION_MS = 250;\nexport const MAX_START_GAP_JUMP = 2.0;\nexport const SKIP_BUFFER_HOLE_STEP_SECONDS = 0.1;\nexport const SKIP_BUFFER_RANGE_START = 0.05;\n\nexport default class GapController {\n constructor (config, media, fragmentTracker, hls) {\n this.config = config;\n this.media = media;\n this.fragmentTracker = fragmentTracker;\n this.hls = hls;\n this.nudgeRetry = 0;\n this.stallReported = false;\n this.stalled = null;\n this.moved = false;\n this.seeking = false;\n }\n\n /**\n * Checks if the playhead is stuck within a gap, and if so, attempts to free it.\n * A gap is an unbuffered range between two buffered ranges (or the start and the first buffered range).\n *\n * @param {number} lastCurrentTime Previously read playhead position\n */\n poll (lastCurrentTime) {\n const { config, media, stalled } = this;\n const { currentTime, seeking } = media;\n const seeked = this.seeking && !seeking;\n const beginSeek = !this.seeking && seeking;\n\n this.seeking = seeking;\n\n // The playhead is moving, no-op\n if (currentTime !== lastCurrentTime) {\n this.moved = true;\n if (stalled !== null) {\n // The playhead is now moving, but was previously stalled\n if (this.stallReported) {\n const stalledDuration = self.performance.now() - stalled;\n logger.warn(`playback not stuck anymore @${currentTime}, after ${Math.round(stalledDuration)}ms`);\n this.stallReported = false;\n }\n this.stalled = null;\n this.nudgeRetry = 0;\n }\n return;\n }\n\n // Clear stalled state when beginning or finishing seeking so that we don't report stalls coming out of a seek\n if (beginSeek || seeked) {\n this.stalled = null;\n }\n\n const { seekWithinTolerance } = this.config;\n if (seekWithinTolerance && (seeking || seeked)) {\n this.seekWithinToleranceIfNeeded();\n }\n\n // The playhead should not be moving\n if (media.paused || media.ended || media.playbackRate === 0 || !media.buffered.length) {\n return;\n }\n\n const bufferInfo = BufferHelper.bufferInfo(media, currentTime, 0);\n const isBuffered = bufferInfo.len > 0;\n const nextStart = bufferInfo.nextStart || 0;\n\n // There is no playable buffer (waiting for buffer append)\n if (!isBuffered && !nextStart) {\n return;\n }\n\n if (seeking) {\n // Waiting for seeking in a buffered range to complete\n const hasEnoughBuffer = bufferInfo.len > MAX_START_GAP_JUMP;\n // Next buffered range is too far ahead to jump to while still seeking\n const noBufferGap = !nextStart || nextStart - currentTime > MAX_START_GAP_JUMP;\n if (hasEnoughBuffer || noBufferGap) {\n return;\n }\n // Reset moved state when seeking to a point in or before a gap\n this.moved = false;\n }\n\n // Skip start gaps if we haven't played, but the last poll detected the start of a stall\n // The addition poll gives the browser a chance to jump the gap for us\n if (!this.moved && this.stalled) {\n // Jump start gaps within jump threshold\n const startJump = Math.max(nextStart, bufferInfo.start || 0) - currentTime;\n if (startJump > 0 && startJump <= MAX_START_GAP_JUMP) {\n this._trySkipBufferHole(null);\n return;\n }\n }\n\n // Start tracking stall time\n const tnow = self.performance.now();\n if (stalled === null) {\n this.stalled = tnow;\n return;\n }\n\n const stalledDuration = tnow - stalled;\n if (!seeking && stalledDuration >= STALL_MINIMUM_DURATION_MS) {\n // Report stalling after trying to fix\n this._reportStall(bufferInfo.len);\n }\n\n const bufferedWithHoles = BufferHelper.bufferInfo(media, currentTime, config.maxBufferHole);\n this._tryFixBufferStall(bufferedWithHoles, stalledDuration);\n }\n\n // If current position is outside of buffered range and there is a buffered fragment within `maxFragLookUpTolerance`\n // will seek to this buffered fragment. It helps to prevent playback stalls\n seekWithinToleranceIfNeeded() {\n const media = this.media;\n const currentTime = media ? media.currentTime : undefined;\n const { maxFragLookUpTolerance } = this.config;\n\n // Trying to find buffered position within `maxFragLookUpTolerance`. Returns same position if\n // current time is already inside of buffered range or there is no buffered fragment\n // within `maxFragLookUpTolerance`.\n const bufferedPosWithinTolerance =\n BufferHelper.getBufferedPosWithinTolerance(media, currentTime, maxFragLookUpTolerance);\n\n if (currentTime !== bufferedPosWithinTolerance) {\n logger.log(`seeking to position within maxFragLookUpTolerance - ${bufferedPosWithinTolerance}`);\n media.currentTime = bufferedPosWithinTolerance;\n return true;\n }\n\n return false;\n }\n\n /**\n * Detects and attempts to fix known buffer stalling issues.\n * @param bufferInfo - The properties of the current buffer.\n * @param stalledDurationMs - The amount of time Hls.js has been stalling for.\n * @private\n */\n _tryFixBufferStall (bufferInfo, stalledDurationMs) {\n const { config, fragmentTracker, media } = this;\n const currentTime = media.currentTime;\n\n const partial = fragmentTracker.getPartialFragment(currentTime);\n if (partial) {\n // Try to skip over the buffer hole caused by a partial fragment\n // This method isn't limited by the size of the gap between buffered ranges\n const targetTime = this._trySkipBufferHole(partial);\n // we return here in this case, meaning\n // the branch below only executes when we don't handle a partial fragment\n if (targetTime) {\n return;\n }\n }\n\n // if we haven't had to skip over a buffer hole of a partial fragment\n // we may just have to \"nudge\" the playlist as the browser decoding/rendering engine\n // needs to cross some sort of threshold covering all source-buffers content\n // to start playing properly.\n if (bufferInfo.len > config.maxBufferHole &&\n stalledDurationMs > config.highBufferWatchdogPeriod * 1000) {\n logger.warn('Trying to nudge playhead over buffer-hole');\n // Try to nudge currentTime over a buffer hole if we've been stalling for the configured amount of seconds\n // We only try to jump the hole if it's under the configured size\n // Reset stalled so to rearm watchdog timer\n this.stalled = null;\n this._tryNudgeBuffer();\n }\n }\n\n /**\n * Triggers a BUFFER_STALLED_ERROR event, but only once per stall period.\n * @param bufferLen - The playhead distance from the end of the current buffer segment.\n * @private\n */\n _reportStall (bufferLen) {\n const { hls, media, stallReported } = this;\n if (!stallReported) {\n // Report stalled error once\n this.stallReported = true;\n logger.warn(`Playback stalling at @${media.currentTime} due to low buffer`);\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_STALLED_ERROR,\n fatal: false,\n buffer: bufferLen\n });\n }\n }\n\n /**\n * Attempts to fix buffer stalls by jumping over known gaps caused by partial fragments\n * @param partial - The partial fragment found at the current time (where playback is stalling).\n * @private\n */\n _trySkipBufferHole (partial) {\n const { config, hls, media } = this;\n const currentTime = media.currentTime;\n let lastEndTime = 0;\n // Check if currentTime is between unbuffered regions of partial fragments\n for (let i = 0; i < media.buffered.length; i++) {\n const startTime = media.buffered.start(i);\n if (currentTime + config.maxBufferHole >= lastEndTime && currentTime < startTime) {\n const targetTime = Math.max(startTime + SKIP_BUFFER_RANGE_START, media.currentTime + SKIP_BUFFER_HOLE_STEP_SECONDS);\n logger.warn(`skipping hole, adjusting currentTime from ${currentTime} to ${targetTime}`);\n this.moved = true;\n this.stalled = null;\n media.currentTime = targetTime;\n if (partial) {\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_SEEK_OVER_HOLE,\n fatal: false,\n reason: `fragment loaded with buffer holes, seeking from ${currentTime} to ${targetTime}`,\n frag: partial\n });\n }\n return targetTime;\n }\n lastEndTime = media.buffered.end(i);\n }\n return 0;\n }\n\n /**\n * Attempts to fix buffer stalls by advancing the mediaElement's current time by a small amount.\n * @private\n */\n _tryNudgeBuffer () {\n const { config, hls, media } = this;\n const currentTime = media.currentTime;\n const nudgeRetry = (this.nudgeRetry || 0) + 1;\n this.nudgeRetry = nudgeRetry;\n\n if (nudgeRetry < config.nudgeMaxRetry) {\n const targetTime = currentTime + nudgeRetry * config.nudgeOffset;\n // playback stalled in buffered area ... let's nudge currentTime to try to overcome this\n logger.warn(`Nudging 'currentTime' from ${currentTime} to ${targetTime}`);\n media.currentTime = targetTime;\n\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_NUDGE_ON_STALL,\n fatal: false\n });\n } else {\n logger.error(`Playhead still not moving while enough data buffered @${currentTime} after ${config.nudgeMaxRetry} nudges`);\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.BUFFER_STALLED_ERROR,\n fatal: true\n });\n }\n }\n}\n","import EventHandler from './event-handler';\nimport Hls from './hls';\n\n/**\n * Sub-class specialization of EventHandler base class.\n *\n * TaskLoop allows to schedule a task function being called (optionnaly repeatedly) on the main loop,\n * scheduled asynchroneously, avoiding recursive calls in the same tick.\n *\n * The task itself is implemented in `doTick`. It can be requested and called for single execution\n * using the `tick` method.\n *\n * It will be assured that the task execution method (`tick`) only gets called once per main loop \"tick\",\n * no matter how often it gets requested for execution. Execution in further ticks will be scheduled accordingly.\n *\n * If further execution requests have already been scheduled on the next tick, it can be checked with `hasNextTick`,\n * and cancelled with `clearNextTick`.\n *\n * The task can be scheduled as an interval repeatedly with a period as parameter (see `setInterval`, `clearInterval`).\n *\n * Sub-classes need to implement the `doTick` method which will effectively have the task execution routine.\n *\n * Further explanations:\n *\n * The baseclass has a `tick` method that will schedule the doTick call. It may be called synchroneously\n * only for a stack-depth of one. On re-entrant calls, sub-sequent calls are scheduled for next main loop ticks.\n *\n * When the task execution (`tick` method) is called in re-entrant way this is detected and\n * we are limiting the task execution per call stack to exactly one, but scheduling/post-poning further\n * task processing on the next main loop iteration (also known as \"next tick\" in the Node/JS runtime lingo).\n */\n\nexport default class TaskLoop extends EventHandler {\n private readonly _boundTick: () => void;\n private _tickTimer: number | null = null;\n private _tickInterval: number | null = null;\n private _tickCallCount = 0;\n\n constructor (hls: Hls, ...events: string[]) {\n super(hls, ...events);\n this._boundTick = this.tick.bind(this);\n }\n\n /**\n * @override\n */\n protected onHandlerDestroying () {\n // clear all timers before unregistering from event bus\n this.clearNextTick();\n this.clearInterval();\n }\n\n /**\n * @returns {boolean}\n */\n public hasInterval (): boolean {\n return !!this._tickInterval;\n }\n\n /**\n * @returns {boolean}\n */\n public hasNextTick (): boolean {\n return !!this._tickTimer;\n }\n\n /**\n * @param {number} millis Interval time (ms)\n * @returns {boolean} True when interval has been scheduled, false when already scheduled (no effect)\n */\n public setInterval (millis: number): boolean {\n if (!this._tickInterval) {\n this._tickInterval = self.setInterval(this._boundTick, millis);\n return true;\n }\n return false;\n }\n\n /**\n * @returns {boolean} True when interval was cleared, false when none was set (no effect)\n */\n public clearInterval (): boolean {\n if (this._tickInterval) {\n self.clearInterval(this._tickInterval);\n this._tickInterval = null;\n return true;\n }\n return false;\n }\n\n /**\n * @returns {boolean} True when timeout was cleared, false when none was set (no effect)\n */\n public clearNextTick (): boolean {\n if (this._tickTimer) {\n self.clearTimeout(this._tickTimer);\n this._tickTimer = null;\n return true;\n }\n return false;\n }\n\n /**\n * Will call the subclass doTick implementation in this main loop tick\n * or in the next one (via setTimeout(,0)) in case it has already been called\n * in this tick (in case this is a re-entrant call).\n */\n public tick (): void {\n this._tickCallCount++;\n if (this._tickCallCount === 1) {\n this.doTick();\n // re-entrant call to tick from previous doTick call stack\n // -> schedule a call on the next main loop iteration to process this task processing request\n if (this._tickCallCount > 1) {\n // make sure only one timer exists at any time at max\n this.clearNextTick();\n this._tickTimer = self.setTimeout(this._boundTick, 0);\n }\n this._tickCallCount = 0;\n }\n }\n\n /**\n * For subclass to implement task logic\n * @abstract\n */\n protected doTick (): void {}\n}\n","import TaskLoop from '../task-loop';\nimport { FragmentState } from './fragment-tracker';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport { logger } from '../utils/logger';\n\nexport const State = {\n STOPPED: 'STOPPED',\n STARTING: 'STARTING',\n IDLE: 'IDLE',\n PAUSED: 'PAUSED',\n KEY_LOADING: 'KEY_LOADING',\n FRAG_LOADING: 'FRAG_LOADING',\n FRAG_LOADING_WAITING_RETRY: 'FRAG_LOADING_WAITING_RETRY',\n WAITING_TRACK: 'WAITING_TRACK',\n PARSING: 'PARSING',\n PARSED: 'PARSED',\n BUFFER_FLUSHING: 'BUFFER_FLUSHING',\n ENDED: 'ENDED',\n ERROR: 'ERROR',\n WAITING_INIT_PTS: 'WAITING_INIT_PTS',\n WAITING_LEVEL: 'WAITING_LEVEL'\n};\n\nexport default class BaseStreamController extends TaskLoop {\n doTick () {}\n\n startLoad () {}\n\n stopLoad () {\n let frag = this.fragCurrent;\n if (frag) {\n if (frag.loader) {\n frag.loader.abort();\n }\n this.fragmentTracker.removeFragment(frag);\n }\n if (this.demuxer) {\n this.demuxer.destroy();\n this.demuxer = null;\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n this.clearInterval();\n this.clearNextTick();\n this.state = State.STOPPED;\n }\n\n _streamEnded (bufferInfo, levelDetails) {\n const { fragCurrent, fragmentTracker } = this;\n // we just got done loading the final fragment and there is no other buffered range after ...\n // rationale is that in case there are any buffered ranges after, it means that there are unbuffered portion in between\n // so we should not switch to ENDED in that case, to be able to buffer them\n // dont switch to ENDED if we need to backtrack last fragment\n if (!levelDetails.live && fragCurrent && !fragCurrent.backtracked && fragCurrent.sn === levelDetails.endSN && !bufferInfo.nextStart) {\n const fragState = fragmentTracker.getState(fragCurrent);\n return fragState === FragmentState.PARTIAL || fragState === FragmentState.OK;\n }\n return false;\n }\n\n onMediaSeeking () {\n const { config, media, mediaBuffer, state } = this;\n const currentTime = media ? media.currentTime : null;\n const bufferInfo = BufferHelper.bufferInfo(mediaBuffer || media, currentTime, this.config.maxBufferHole);\n\n if (Number.isFinite(currentTime)) {\n logger.log(`media seeking to ${currentTime.toFixed(3)}`);\n }\n\n if (state === State.FRAG_LOADING) {\n let fragCurrent = this.fragCurrent;\n // check if we are seeking to a unbuffered area AND if frag loading is in progress\n if (bufferInfo.len === 0 && fragCurrent) {\n const tolerance = config.maxFragLookUpTolerance;\n const fragStartOffset = fragCurrent.start - tolerance;\n const fragEndOffset = fragCurrent.start + fragCurrent.duration + tolerance;\n // check if we seek position will be out of currently loaded frag range : if out cancel frag load, if in, don't do anything\n if (currentTime < fragStartOffset || currentTime > fragEndOffset) {\n if (fragCurrent.loader) {\n logger.log('seeking outside of buffer while fragment load in progress, cancel fragment load');\n fragCurrent.loader.abort();\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n // switch to IDLE state to load new fragment\n this.state = State.IDLE;\n } else {\n logger.log('seeking outside of buffer but within currently loaded fragment range');\n }\n }\n } else if (state === State.ENDED) {\n // if seeking to unbuffered area, clean up fragPrevious\n if (bufferInfo.len === 0) {\n this.fragPrevious = null;\n this.fragCurrent = null;\n }\n\n // switch to IDLE state to check for potential new fragment\n this.state = State.IDLE;\n }\n if (media) {\n this.lastCurrentTime = currentTime;\n }\n\n // in case seeking occurs although no media buffered, adjust startPosition and nextLoadPosition to seek target\n if (!this.loadedmetadata) {\n this.nextLoadPosition = this.startPosition = currentTime;\n }\n\n // tick to speed up processing\n this.tick();\n }\n\n onMediaEnded () {\n // reset startPosition and lastCurrentTime to restart playback @ stream beginning\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n onHandlerDestroying () {\n this.stopLoad();\n super.onHandlerDestroying();\n }\n\n onHandlerDestroyed () {\n this.state = State.STOPPED;\n this.fragmentTracker = null;\n }\n\n computeLivePosition (sliding, levelDetails) {\n let targetLatency = this.config.liveSyncDuration !== undefined ? this.config.liveSyncDuration : this.config.liveSyncDurationCount * levelDetails.targetduration;\n return sliding + Math.max(0, levelDetails.totalduration - targetLatency);\n }\n}\n","/*\n * Stream Controller\n*/\n\nimport BinarySearch from '../utils/binary-search';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport Demuxer from '../demux/demuxer';\nimport Event from '../events';\nimport { FragmentState } from './fragment-tracker';\nimport { ElementaryStreamTypes } from '../loader/fragment';\nimport { PlaylistLevelType } from '../types/loader';\nimport * as LevelHelper from './level-helper';\nimport TimeRanges from '../utils/time-ranges';\nimport { ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport { alignStream } from '../utils/discontinuities';\nimport { findFragmentByPDT, findFragmentByPTS } from './fragment-finders';\nimport GapController from './gap-controller';\nimport BaseStreamController, { State } from './base-stream-controller';\n\nconst TICK_INTERVAL = 100; // how often to tick in ms\n\nclass StreamController extends BaseStreamController {\n constructor (hls, fragmentTracker) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.MANIFEST_LOADING,\n Event.MANIFEST_PARSED,\n Event.LEVEL_LOADED,\n Event.KEY_LOADED,\n Event.FRAG_LOADED,\n Event.FRAG_LOAD_EMERGENCY_ABORTED,\n Event.FRAG_PARSING_INIT_SEGMENT,\n Event.FRAG_PARSING_DATA,\n Event.FRAG_PARSED,\n Event.ERROR,\n Event.AUDIO_TRACK_SWITCHING,\n Event.AUDIO_TRACK_SWITCHED,\n Event.BUFFER_CREATED,\n Event.BUFFER_APPENDED,\n Event.BUFFER_FLUSHED);\n\n this.fragmentTracker = fragmentTracker;\n this.config = hls.config;\n this.audioCodecSwap = false;\n this._state = State.STOPPED;\n this.stallReported = false;\n this.gapController = null;\n this.altAudio = false;\n }\n\n startLoad (startPosition) {\n if (this.levels) {\n let lastCurrentTime = this.lastCurrentTime, hls = this.hls;\n this.stopLoad();\n this.setInterval(TICK_INTERVAL);\n this.level = -1;\n this.fragLoadError = 0;\n if (!this.startFragRequested) {\n // determine load level\n let startLevel = hls.startLevel;\n if (startLevel === -1) {\n // -1 : guess start Level by doing a bitrate test by loading first fragment of lowest quality level\n startLevel = 0;\n this.bitrateTest = true;\n }\n // set new level to playlist loader : this will trigger start level load\n // hls.nextLoadLevel remains until it is set to a new value or until a new frag is successfully loaded\n this.level = hls.nextLoadLevel = startLevel;\n this.loadedmetadata = false;\n }\n // if startPosition undefined but lastCurrentTime set, set startPosition to last currentTime\n if (lastCurrentTime > 0 && startPosition === -1) {\n logger.log(`override startPosition with lastCurrentTime @${lastCurrentTime.toFixed(3)}`);\n startPosition = lastCurrentTime;\n }\n this.state = State.IDLE;\n this.nextLoadPosition = this.startPosition = this.lastCurrentTime = startPosition;\n this.tick();\n } else {\n this.forceStartLoad = true;\n this.state = State.STOPPED;\n }\n }\n\n stopLoad () {\n this.forceStartLoad = false;\n super.stopLoad();\n }\n\n doTick () {\n switch (this.state) {\n case State.BUFFER_FLUSHING:\n // in buffer flushing state, reset fragLoadError counter\n this.fragLoadError = 0;\n break;\n case State.IDLE:\n this._doTickIdle();\n break;\n case State.WAITING_LEVEL:\n var level = this.levels[this.level];\n // check if playlist is already loaded\n if (level && level.details) {\n this.state = State.IDLE;\n }\n\n break;\n case State.FRAG_LOADING_WAITING_RETRY:\n var now = window.performance.now();\n var retryDate = this.retryDate;\n // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading\n if (!retryDate || (now >= retryDate) || (this.media && this.media.seeking)) {\n logger.log('mediaController: retryDate reached, switch back to IDLE state');\n this.state = State.IDLE;\n }\n break;\n case State.ERROR:\n case State.STOPPED:\n case State.FRAG_LOADING:\n case State.PARSING:\n case State.PARSED:\n case State.ENDED:\n break;\n default:\n break;\n }\n // check buffer\n this._checkBuffer();\n // check/update current fragment\n this._checkFragmentChanged();\n }\n\n // Ironically the \"idle\" state is the on we do the most logic in it seems ....\n // NOTE: Maybe we could rather schedule a check for buffer length after half of the currently\n // played segment, or on pause/play/seek instead of naively checking every 100ms?\n _doTickIdle () {\n const hls = this.hls,\n config = hls.config,\n media = this.media;\n\n // if start level not parsed yet OR\n // if video not attached AND start fragment already requested OR start frag prefetch disable\n // exit loop, as we either need more info (level not parsed) or we need media to be attached to load new fragment\n if (this.levelLastLoaded === undefined || (\n !media && (this.startFragRequested || !config.startFragPrefetch))) {\n return;\n }\n\n // if we have not yet loaded any fragment, start loading from start position\n let pos;\n if (this.loadedmetadata) {\n pos = media.currentTime;\n } else {\n pos = this.nextLoadPosition;\n }\n\n // determine next load level\n let level = hls.nextLoadLevel,\n levelInfo = this.levels[level];\n\n if (!levelInfo) {\n return;\n }\n\n let levelBitrate = levelInfo.bitrate,\n maxBufLen;\n\n // compute max Buffer Length that we could get from this load level, based on level bitrate.\n if (levelBitrate) {\n maxBufLen = Math.max(8 * config.maxBufferSize / levelBitrate, config.maxBufferLength);\n } else {\n maxBufLen = config.maxBufferLength;\n }\n\n maxBufLen = Math.min(maxBufLen, config.maxMaxBufferLength);\n\n // determine next candidate fragment to be loaded, based on current position and end of buffer position\n // ensure up to `config.maxMaxBufferLength` of buffer upfront\n\n const bufferInfo = BufferHelper.bufferInfo(this.mediaBuffer ? this.mediaBuffer : media, pos, config.maxBufferHole),\n bufferLen = bufferInfo.len;\n // Stay idle if we are still with buffer margins\n if (bufferLen >= maxBufLen) {\n return;\n }\n\n // if buffer length is less than maxBufLen try to load a new fragment ...\n logger.trace(`buffer length of ${bufferLen.toFixed(3)} is below max of ${maxBufLen.toFixed(3)}. checking for more payload ...`);\n\n // set next load level : this will trigger a playlist load if needed\n this.level = hls.nextLoadLevel = level;\n\n const levelDetails = levelInfo.details;\n // if level info not retrieved yet, switch state and wait for level retrieval\n // if live playlist, ensure that new playlist has been refreshed to avoid loading/try to load\n // a useless and outdated fragment (that might even introduce load error if it is already out of the live playlist)\n if (!levelDetails || (levelDetails.live && this.levelLastLoaded !== level)) {\n this.state = State.WAITING_LEVEL;\n return;\n }\n\n if (this._streamEnded(bufferInfo, levelDetails)) {\n const data = {};\n if (this.altAudio) {\n data.type = 'video';\n }\n\n this.hls.trigger(Event.BUFFER_EOS, data);\n this.state = State.ENDED;\n return;\n }\n // if we have the levelDetails for the selected variant, lets continue enrichen our stream (load keys/fragments or trigger EOS, etc..)\n this._fetchPayloadOrEos(pos, bufferInfo, levelDetails);\n }\n\n _fetchPayloadOrEos (pos, bufferInfo, levelDetails) {\n const fragPrevious = this.fragPrevious,\n level = this.level,\n fragments = levelDetails.fragments,\n fragLen = fragments.length;\n\n // empty playlist\n if (fragLen === 0) {\n return;\n }\n\n // find fragment index, contiguous with end of buffer position\n let start = fragments[0].start,\n end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration,\n bufferEnd = bufferInfo.end,\n frag;\n\n if (levelDetails.initSegment && !levelDetails.initSegment.data) {\n frag = levelDetails.initSegment;\n } else {\n // in case of live playlist we need to ensure that requested position is not located before playlist start\n if (levelDetails.live) {\n let initialLiveManifestSize = this.config.initialLiveManifestSize;\n if (fragLen < initialLiveManifestSize) {\n logger.warn(`Can not start playback of a level, reason: not enough fragments ${fragLen} < ${initialLiveManifestSize}`);\n return;\n }\n\n frag = this._ensureFragmentAtLivePoint(levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen);\n // if it explicitely returns null don't load any fragment and exit function now\n if (frag === null) {\n return;\n }\n } else {\n // VoD playlist: if bufferEnd before start of playlist, load first fragment\n if (bufferEnd < start) {\n frag = fragments[0];\n }\n }\n }\n if (!frag) {\n frag = this._findFragment(start, fragPrevious, fragLen, fragments, bufferEnd, end, levelDetails);\n }\n\n if (frag) {\n if (frag.encrypted) {\n logger.log(`Loading key for ${frag.sn} of [${levelDetails.startSN} ,${levelDetails.endSN}],level ${level}`);\n this._loadKey(frag);\n } else {\n logger.log(`Loading ${frag.sn} of [${levelDetails.startSN} ,${levelDetails.endSN}],level ${level}, currentTime:${pos.toFixed(3)},bufferEnd:${bufferEnd.toFixed(3)}`);\n this._loadFragment(frag);\n }\n }\n }\n\n _ensureFragmentAtLivePoint (levelDetails, bufferEnd, start, end, fragPrevious, fragments, fragLen) {\n const config = this.hls.config, media = this.media;\n\n let frag;\n\n // check if requested position is within seekable boundaries :\n // logger.log(`start/pos/bufEnd/seeking:${start.toFixed(3)}/${pos.toFixed(3)}/${bufferEnd.toFixed(3)}/${this.media.seeking}`);\n let maxLatency = config.liveMaxLatencyDuration !== undefined ? config.liveMaxLatencyDuration : config.liveMaxLatencyDurationCount * levelDetails.targetduration;\n\n if (bufferEnd < Math.max(start - config.maxFragLookUpTolerance, end - maxLatency)) {\n let liveSyncPosition = this.liveSyncPosition = this.computeLivePosition(start, levelDetails);\n bufferEnd = liveSyncPosition;\n if (media && !media.paused && media.readyState && media.duration > liveSyncPosition && liveSyncPosition > media.currentTime) {\n logger.log(`buffer end: ${bufferEnd.toFixed(3)} is located too far from the end of live sliding playlist, reset currentTime to : ${liveSyncPosition.toFixed(3)}`);\n media.currentTime = liveSyncPosition;\n }\n\n this.nextLoadPosition = liveSyncPosition;\n }\n\n // if end of buffer greater than live edge, don't load any fragment\n // this could happen if live playlist intermittently slides in the past.\n // level 1 loaded [182580161,182580167]\n // level 1 loaded [182580162,182580169]\n // Loading 182580168 of [182580162 ,182580169],level 1 ..\n // Loading 182580169 of [182580162 ,182580169],level 1 ..\n // level 1 loaded [182580162,182580168] <============= here we should have bufferEnd > end. in that case break to avoid reloading 182580168\n // level 1 loaded [182580164,182580171]\n //\n // don't return null in case media not loaded yet (readystate === 0)\n if (levelDetails.PTSKnown && bufferEnd > end && media && media.readyState) {\n return null;\n }\n\n if (this.startFragRequested && !levelDetails.PTSKnown) {\n /* we are switching level on live playlist, but we don't have any PTS info for that quality level ...\n try to load frag matching with next SN.\n even if SN are not synchronized between playlists, loading this frag will help us\n compute playlist sliding and find the right one after in case it was not the right consecutive one */\n if (fragPrevious) {\n if (levelDetails.hasProgramDateTime) {\n // Relies on PDT in order to switch bitrates (Support EXT-X-DISCONTINUITY without EXT-X-DISCONTINUITY-SEQUENCE)\n logger.log(`live playlist, switching playlist, load frag with same PDT: ${fragPrevious.programDateTime}`);\n frag = findFragmentByPDT(fragments, fragPrevious.endProgramDateTime, config.maxFragLookUpTolerance);\n } else {\n // Uses buffer and sequence number to calculate switch segment (required if using EXT-X-DISCONTINUITY-SEQUENCE)\n const targetSN = fragPrevious.sn + 1;\n if (targetSN >= levelDetails.startSN && targetSN <= levelDetails.endSN) {\n const fragNext = fragments[targetSN - levelDetails.startSN];\n if (fragPrevious.cc === fragNext.cc) {\n frag = fragNext;\n logger.log(`live playlist, switching playlist, load frag with next SN: ${frag.sn}`);\n }\n }\n // next frag SN not available (or not with same continuity counter)\n // look for a frag sharing the same CC\n if (!frag) {\n frag = BinarySearch.search(fragments, function (frag) {\n return fragPrevious.cc - frag.cc;\n });\n if (frag) {\n logger.log(`live playlist, switching playlist, load frag with same CC: ${frag.sn}`);\n }\n }\n }\n }\n if (!frag) {\n /* we have no idea about which fragment should be loaded.\n so let's load mid fragment. it will help computing playlist sliding and find the right one\n */\n frag = fragments[Math.min(fragLen - 1, Math.round(fragLen / 2))];\n logger.log(`live playlist, switching playlist, unknown, load middle frag : ${frag.sn}`);\n }\n }\n\n return frag;\n }\n\n _findFragment (start, fragPreviousLoad, fragmentIndexRange, fragments, bufferEnd, end, levelDetails) {\n const config = this.hls.config;\n let fragNextLoad;\n\n if (bufferEnd < end) {\n const lookupTolerance = (bufferEnd > end - config.maxFragLookUpTolerance) ? 0 : config.maxFragLookUpTolerance;\n // Remove the tolerance if it would put the bufferEnd past the actual end of stream\n // Uses buffer and sequence number to calculate switch segment (required if using EXT-X-DISCONTINUITY-SEQUENCE)\n fragNextLoad = findFragmentByPTS(fragPreviousLoad, fragments, bufferEnd, lookupTolerance);\n } else {\n // reach end of playlist\n fragNextLoad = fragments[fragmentIndexRange - 1];\n }\n\n if (fragNextLoad) {\n const curSNIdx = fragNextLoad.sn - levelDetails.startSN;\n const sameLevel = fragPreviousLoad && fragNextLoad.level === fragPreviousLoad.level;\n const prevSnFrag = fragments[curSNIdx - 1];\n const nextSnFrag = fragments[curSNIdx + 1];\n\n // logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn);\n if (fragPreviousLoad && fragNextLoad.sn === fragPreviousLoad.sn) {\n if (sameLevel && !fragNextLoad.backtracked) {\n if (fragNextLoad.sn < levelDetails.endSN) {\n let deltaPTS = fragPreviousLoad.deltaPTS;\n // if there is a significant delta between audio and video, larger than max allowed hole,\n // and if previous remuxed fragment did not start with a keyframe. (fragPrevious.dropped)\n // let's try to load previous fragment again to get last keyframe\n // then we will reload again current fragment (that way we should be able to fill the buffer hole ...)\n if (deltaPTS && deltaPTS > config.maxBufferHole && fragPreviousLoad.dropped && curSNIdx) {\n fragNextLoad = prevSnFrag;\n logger.warn('Previous fragment was dropped with large PTS gap between audio and video. Maybe fragment is not starting with a keyframe? Loading previous one to try to overcome this');\n } else {\n fragNextLoad = nextSnFrag;\n logger.log(`Re-loading fragment with SN: ${fragNextLoad.sn}`);\n }\n } else {\n fragNextLoad = null;\n }\n } else if (fragNextLoad.backtracked) {\n // Only backtrack a max of 1 consecutive fragment to prevent sliding back too far when little or no frags start with keyframes\n if (nextSnFrag && nextSnFrag.backtracked) {\n logger.warn(`Already backtracked from fragment ${nextSnFrag.sn}, will not backtrack to fragment ${fragNextLoad.sn}. Loading fragment ${nextSnFrag.sn}`);\n fragNextLoad = nextSnFrag;\n } else {\n // If a fragment has dropped frames and it's in a same level/sequence, load the previous fragment to try and find the keyframe\n // Reset the dropped count now since it won't be reset until we parse the fragment again, which prevents infinite backtracking on the same segment\n logger.warn('Loaded fragment with dropped frames, backtracking 1 segment to find a keyframe');\n fragNextLoad.dropped = 0;\n if (prevSnFrag) {\n fragNextLoad = prevSnFrag;\n fragNextLoad.backtracked = true;\n } else if (curSNIdx) {\n // can't backtrack on very first fragment\n fragNextLoad = null;\n }\n }\n }\n }\n }\n\n return fragNextLoad;\n }\n\n _loadKey (frag) {\n this.state = State.KEY_LOADING;\n this.hls.trigger(Event.KEY_LOADING, { frag });\n }\n\n _loadFragment (frag) {\n // Check if fragment is not loaded\n let fragState = this.fragmentTracker.getState(frag);\n\n this.fragCurrent = frag;\n if (frag.sn !== 'initSegment') {\n this.startFragRequested = true;\n }\n // Don't update nextLoadPosition for fragments which are not buffered\n if (Number.isFinite(frag.sn) && !frag.bitrateTest) {\n this.nextLoadPosition = frag.start + frag.duration;\n }\n\n // Allow backtracked fragments to load\n if (frag.backtracked || fragState === FragmentState.NOT_LOADED || fragState === FragmentState.PARTIAL) {\n frag.autoLevel = this.hls.autoLevelEnabled;\n frag.bitrateTest = this.bitrateTest;\n\n this.hls.trigger(Event.FRAG_LOADING, { frag });\n // lazy demuxer init, as this could take some time ... do it during frag loading\n if (!this.demuxer) {\n this.demuxer = new Demuxer(this.hls, 'main');\n }\n\n this.state = State.FRAG_LOADING;\n } else if (fragState === FragmentState.APPENDING) {\n // Lower the buffer size and try again\n if (this._reduceMaxBufferLength(frag.duration)) {\n this.fragmentTracker.removeFragment(frag);\n }\n }\n }\n\n set state (nextState) {\n if (this.state !== nextState) {\n const previousState = this.state;\n this._state = nextState;\n logger.log(`main stream-controller: ${previousState}->${nextState}`);\n this.hls.trigger(Event.STREAM_STATE_TRANSITION, { previousState, nextState });\n }\n }\n\n get state () {\n return this._state;\n }\n\n getBufferedFrag (position) {\n return this.fragmentTracker.getBufferedFrag(position, PlaylistLevelType.MAIN);\n }\n\n get currentLevel () {\n let media = this.media;\n if (media) {\n const frag = this.getBufferedFrag(media.currentTime);\n if (frag) {\n return frag.level;\n }\n }\n return -1;\n }\n\n get nextBufferedFrag () {\n let media = this.media;\n if (media) {\n // first get end range of current fragment\n return this.followingBufferedFrag(this.getBufferedFrag(media.currentTime));\n } else {\n return null;\n }\n }\n\n followingBufferedFrag (frag) {\n if (frag) {\n // try to get range of next fragment (500ms after this range)\n return this.getBufferedFrag(frag.endPTS + 0.5);\n }\n return null;\n }\n\n get nextLevel () {\n const frag = this.nextBufferedFrag;\n if (frag) {\n return frag.level;\n } else {\n return -1;\n }\n }\n\n _checkFragmentChanged () {\n let fragPlayingCurrent, currentTime, video = this.media;\n if (video && video.readyState && video.seeking === false) {\n currentTime = video.currentTime;\n /* if video element is in seeked state, currentTime can only increase.\n (assuming that playback rate is positive ...)\n As sometimes currentTime jumps back to zero after a\n media decode error, check this, to avoid seeking back to\n wrong position after a media decode error\n */\n if (currentTime > this.lastCurrentTime) {\n this.lastCurrentTime = currentTime;\n }\n\n if (BufferHelper.isBuffered(video, currentTime)) {\n fragPlayingCurrent = this.getBufferedFrag(currentTime);\n } else if (BufferHelper.isBuffered(video, currentTime + 0.1)) {\n /* ensure that FRAG_CHANGED event is triggered at startup,\n when first video frame is displayed and playback is paused.\n add a tolerance of 100ms, in case current position is not buffered,\n check if current pos+100ms is buffered and use that buffer range\n for FRAG_CHANGED event reporting */\n fragPlayingCurrent = this.getBufferedFrag(currentTime + 0.1);\n }\n if (fragPlayingCurrent) {\n let fragPlaying = fragPlayingCurrent;\n if (fragPlaying !== this.fragPlaying) {\n this.hls.trigger(Event.FRAG_CHANGED, { frag: fragPlaying });\n const fragPlayingLevel = fragPlaying.level;\n if (!this.fragPlaying || this.fragPlaying.level !== fragPlayingLevel) {\n this.hls.trigger(Event.LEVEL_SWITCHED, { level: fragPlayingLevel });\n }\n\n this.fragPlaying = fragPlaying;\n }\n }\n }\n }\n\n /*\n on immediate level switch :\n - pause playback if playing\n - cancel any pending load request\n - and trigger a buffer flush\n */\n immediateLevelSwitch () {\n logger.log('immediateLevelSwitch');\n if (!this.immediateSwitch) {\n this.immediateSwitch = true;\n let media = this.media, previouslyPaused;\n if (media) {\n previouslyPaused = media.paused;\n media.pause();\n } else {\n // don't restart playback after instant level switch in case media not attached\n previouslyPaused = true;\n }\n this.previouslyPaused = previouslyPaused;\n }\n let fragCurrent = this.fragCurrent;\n if (fragCurrent && fragCurrent.loader) {\n fragCurrent.loader.abort();\n }\n\n this.fragCurrent = null;\n // flush everything\n this.flushMainBuffer(0, Number.POSITIVE_INFINITY);\n }\n\n /**\n * on immediate level switch end, after new fragment has been buffered:\n * - nudge video decoder by slightly adjusting video currentTime (if currentTime buffered)\n * - resume the playback if needed\n */\n immediateLevelSwitchEnd () {\n const media = this.media;\n if (media && media.buffered.length) {\n this.immediateSwitch = false;\n if (BufferHelper.isBuffered(media, media.currentTime)) {\n // only nudge if currentTime is buffered\n media.currentTime -= 0.0001;\n }\n if (!this.previouslyPaused) {\n media.play();\n }\n }\n }\n\n /**\n * try to switch ASAP without breaking video playback:\n * in order to ensure smooth but quick level switching,\n * we need to find the next flushable buffer range\n * we should take into account new segment fetch time\n */\n nextLevelSwitch () {\n const media = this.media;\n // ensure that media is defined and that metadata are available (to retrieve currentTime)\n if (media && media.readyState) {\n let fetchdelay, fragPlayingCurrent, nextBufferedFrag;\n fragPlayingCurrent = this.getBufferedFrag(media.currentTime);\n if (fragPlayingCurrent && fragPlayingCurrent.startPTS > 1) {\n // flush buffer preceding current fragment (flush until current fragment start offset)\n // minus 1s to avoid video freezing, that could happen if we flush keyframe of current video ...\n this.flushMainBuffer(0, fragPlayingCurrent.startPTS - 1);\n }\n if (!media.paused) {\n // add a safety delay of 1s\n let nextLevelId = this.hls.nextLoadLevel, nextLevel = this.levels[nextLevelId], fragLastKbps = this.fragLastKbps;\n if (fragLastKbps && this.fragCurrent) {\n fetchdelay = this.fragCurrent.duration * nextLevel.bitrate / (1000 * fragLastKbps) + 1;\n } else {\n fetchdelay = 0;\n }\n } else {\n fetchdelay = 0;\n }\n // logger.log('fetchdelay:'+fetchdelay);\n // find buffer range that will be reached once new fragment will be fetched\n nextBufferedFrag = this.getBufferedFrag(media.currentTime + fetchdelay);\n if (nextBufferedFrag) {\n // we can flush buffer range following this one without stalling playback\n nextBufferedFrag = this.followingBufferedFrag(nextBufferedFrag);\n if (nextBufferedFrag) {\n // if we are here, we can also cancel any loading/demuxing in progress, as they are useless\n let fragCurrent = this.fragCurrent;\n if (fragCurrent && fragCurrent.loader) {\n fragCurrent.loader.abort();\n }\n\n this.fragCurrent = null;\n // start flush position is the start PTS of next buffered frag.\n // we use frag.naxStartPTS which is max(audio startPTS, video startPTS).\n // in case there is a small PTS Delta between audio and video, using maxStartPTS avoids flushing last samples from current fragment\n this.flushMainBuffer(nextBufferedFrag.maxStartPTS, Number.POSITIVE_INFINITY);\n }\n }\n }\n }\n\n flushMainBuffer (startOffset, endOffset) {\n this.state = State.BUFFER_FLUSHING;\n let flushScope = { startOffset: startOffset, endOffset: endOffset };\n // if alternate audio tracks are used, only flush video, otherwise flush everything\n if (this.altAudio) {\n flushScope.type = 'video';\n }\n\n this.hls.trigger(Event.BUFFER_FLUSHING, flushScope);\n }\n\n onMediaAttached (data) {\n let media = this.media = this.mediaBuffer = data.media;\n this.onvseeking = this.onMediaSeeking.bind(this);\n this.onvseeked = this.onMediaSeeked.bind(this);\n this.onvended = this.onMediaEnded.bind(this);\n media.addEventListener('seeking', this.onvseeking);\n media.addEventListener('seeked', this.onvseeked);\n media.addEventListener('ended', this.onvended);\n let config = this.config;\n if (this.levels && config.autoStartLoad) {\n this.hls.startLoad(config.startPosition);\n }\n\n this.gapController = new GapController(config, media, this.fragmentTracker, this.hls);\n }\n\n onMediaDetaching () {\n let media = this.media;\n if (media && media.ended) {\n logger.log('MSE detaching and video ended, reset startPosition');\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n // reset fragment backtracked flag\n let levels = this.levels;\n if (levels) {\n levels.forEach(level => {\n if (level.details) {\n level.details.fragments.forEach(fragment => {\n fragment.backtracked = undefined;\n });\n }\n });\n }\n\n // remove video listeners\n if (media) {\n media.removeEventListener('seeking', this.onvseeking);\n media.removeEventListener('seeked', this.onvseeked);\n media.removeEventListener('ended', this.onvended);\n this.onvseeking = this.onvseeked = this.onvended = null;\n }\n\n this.fragmentTracker.removeAllFragments();\n this.media = this.mediaBuffer = null;\n this.loadedmetadata = false;\n this.stopLoad();\n }\n\n onMediaSeeked () {\n const media = this.media;\n const currentTime = media ? media.currentTime : undefined;\n const { seekWithinTolerance } = this.config;\n\n // We are not firing Event.CAN_PLAY_AFTER_SEEK only if we are seeking again to reach buffered fragment.\n if (!seekWithinTolerance || !this.gapController.seekWithinToleranceIfNeeded()) {\n this.hls.trigger(Event.CAN_PLAY_AFTER_SEEK);\n }\n\n if (Number.isFinite(currentTime)) {\n logger.log(`media seeked to ${currentTime.toFixed(3)}`);\n }\n\n // tick to speed up FRAGMENT_PLAYING triggering\n this.tick();\n }\n\n onManifestLoading () {\n // reset buffer on manifest loading\n logger.log('trigger BUFFER_RESET');\n this.hls.trigger(Event.BUFFER_RESET);\n this.fragmentTracker.removeAllFragments();\n this.stalled = false;\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n onManifestParsed (data) {\n let aac = false, heaac = false, codec;\n data.levels.forEach(level => {\n // detect if we have different kind of audio codecs used amongst playlists\n codec = level.audioCodec;\n if (codec) {\n if (codec.indexOf('mp4a.40.2') !== -1) {\n aac = true;\n }\n\n if (codec.indexOf('mp4a.40.5') !== -1) {\n heaac = true;\n }\n }\n });\n this.audioCodecSwitch = (aac && heaac);\n if (this.audioCodecSwitch) {\n logger.log('both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC');\n }\n\n this.altAudio = data.altAudio;\n this.levels = data.levels;\n this.startFragRequested = false;\n let config = this.config;\n if (config.autoStartLoad || this.forceStartLoad) {\n this.hls.startLoad(config.startPosition);\n }\n }\n\n onLevelLoaded (data) {\n const newDetails = data.details;\n const newLevelId = data.level;\n const lastLevel = this.levels[this.levelLastLoaded];\n const curLevel = this.levels[newLevelId];\n const duration = newDetails.totalduration;\n let sliding = 0;\n\n logger.log(`level ${newLevelId} loaded [${newDetails.startSN},${newDetails.endSN}],duration:${duration}`);\n\n if (newDetails.live) {\n let curDetails = curLevel.details;\n if (curDetails && newDetails.fragments.length > 0) {\n // we already have details for that level, merge them\n LevelHelper.mergeDetails(curDetails, newDetails);\n sliding = newDetails.fragments[0].start;\n this.liveSyncPosition = this.computeLivePosition(sliding, curDetails);\n if (newDetails.PTSKnown && Number.isFinite(sliding)) {\n logger.log(`live playlist sliding:${sliding.toFixed(3)}`);\n } else {\n logger.log('live playlist - outdated PTS, unknown sliding');\n alignStream(this.fragPrevious, lastLevel, newDetails);\n }\n } else {\n logger.log('live playlist - first load, unknown sliding');\n newDetails.PTSKnown = false;\n alignStream(this.fragPrevious, lastLevel, newDetails);\n }\n } else {\n newDetails.PTSKnown = false;\n }\n // override level info\n curLevel.details = newDetails;\n this.levelLastLoaded = newLevelId;\n this.hls.trigger(Event.LEVEL_UPDATED, { details: newDetails, level: newLevelId });\n\n if (this.startFragRequested === false) {\n // compute start position if set to -1. use it straight away if value is defined\n if (this.startPosition === -1 || this.lastCurrentTime === -1) {\n // first, check if start time offset has been set in playlist, if yes, use this value\n let startTimeOffset = newDetails.startTimeOffset;\n if (Number.isFinite(startTimeOffset)) {\n if (startTimeOffset < 0) {\n logger.log(`negative start time offset ${startTimeOffset}, count from end of last fragment`);\n startTimeOffset = sliding + duration + startTimeOffset;\n }\n logger.log(`start time offset found in playlist, adjust startPosition to ${startTimeOffset}`);\n this.startPosition = startTimeOffset;\n } else {\n // if live playlist, set start position to be fragment N-this.config.liveSyncDurationCount (usually 3)\n if (newDetails.live) {\n this.startPosition = this.computeLivePosition(sliding, newDetails);\n logger.log(`configure startPosition to ${this.startPosition}`);\n } else {\n this.startPosition = 0;\n }\n }\n this.lastCurrentTime = this.startPosition;\n }\n this.nextLoadPosition = this.startPosition;\n }\n // only switch batck to IDLE state if we were waiting for level to start downloading a new fragment\n if (this.state === State.WAITING_LEVEL) {\n this.state = State.IDLE;\n }\n\n // trigger handler right now\n this.tick();\n }\n\n onKeyLoaded () {\n if (this.state === State.KEY_LOADING) {\n this.state = State.IDLE;\n this.tick();\n }\n }\n\n onFragLoaded (data) {\n const { fragCurrent, hls, levels, media } = this;\n const fragLoaded = data.frag;\n if (this.state === State.FRAG_LOADING &&\n fragCurrent &&\n fragLoaded.type === 'main' &&\n fragLoaded.level === fragCurrent.level &&\n fragLoaded.sn === fragCurrent.sn) {\n const stats = data.stats;\n const currentLevel = levels[fragCurrent.level];\n const details = currentLevel.details;\n // reset frag bitrate test in any case after frag loaded event\n // if this frag was loaded to perform a bitrate test AND if hls.nextLoadLevel is greater than 0\n // then this means that we should be able to load a fragment at a higher quality level\n this.bitrateTest = false;\n this.stats = stats;\n\n logger.log(`Loaded ${fragCurrent.sn} of [${details.startSN} ,${details.endSN}],level ${fragCurrent.level}`);\n if (fragLoaded.bitrateTest && hls.nextLoadLevel) {\n // switch back to IDLE state ... we just loaded a fragment to determine adequate start bitrate and initialize autoswitch algo\n this.state = State.IDLE;\n this.startFragRequested = false;\n stats.tparsed = stats.tbuffered = window.performance.now();\n hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'main' });\n this.tick();\n } else if (fragLoaded.sn === 'initSegment') {\n this.state = State.IDLE;\n stats.tparsed = stats.tbuffered = window.performance.now();\n details.initSegment.data = data.payload;\n hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'main' });\n this.tick();\n } else {\n logger.log(`Parsing ${fragCurrent.sn} of [${details.startSN} ,${details.endSN}],level ${fragCurrent.level}, cc ${fragCurrent.cc}`);\n this.state = State.PARSING;\n this.pendingBuffering = true;\n this.appended = false;\n\n // Bitrate test frags are not usually buffered so the fragment tracker ignores them. If Hls.js decides to buffer\n // it (and therefore ends up at this line), then the fragment tracker needs to be manually informed.\n if (fragLoaded.bitrateTest) {\n fragLoaded.bitrateTest = false;\n this.fragmentTracker.onFragLoaded({\n frag: fragLoaded\n });\n }\n\n // time Offset is accurate if level PTS is known, or if playlist is not sliding (not live) and if media is not seeking (this is to overcome potential timestamp drifts between playlists and fragments)\n const accurateTimeOffset = !(media && media.seeking) && (details.PTSKnown || !details.live);\n const initSegmentData = details.initSegment ? details.initSegment.data : [];\n const audioCodec = this._getAudioCodec(currentLevel);\n\n // transmux the MPEG-TS data to ISO-BMFF segments\n const demuxer = this.demuxer = this.demuxer || new Demuxer(this.hls, 'main');\n demuxer.push(\n data.payload,\n initSegmentData,\n audioCodec,\n currentLevel.videoCodec,\n fragCurrent,\n details.totalduration,\n accurateTimeOffset\n );\n }\n }\n this.fragLoadError = 0;\n }\n\n onFragParsingInitSegment (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n let tracks = data.tracks, trackName, track;\n\n // if audio track is expected to come from audio stream controller, discard any coming from main\n if (tracks.audio && this.altAudio) {\n delete tracks.audio;\n }\n\n // include levelCodec in audio and video tracks\n track = tracks.audio;\n if (track) {\n let audioCodec = this.levels[this.level].audioCodec,\n ua = navigator.userAgent.toLowerCase();\n if (audioCodec && this.audioCodecSwap) {\n logger.log('swapping playlist audio codec');\n if (audioCodec.indexOf('mp4a.40.5') !== -1) {\n audioCodec = 'mp4a.40.2';\n } else {\n audioCodec = 'mp4a.40.5';\n }\n }\n // in case AAC and HE-AAC audio codecs are signalled in manifest\n // force HE-AAC , as it seems that most browsers prefers that way,\n // except for mono streams OR on FF\n // these conditions might need to be reviewed ...\n if (this.audioCodecSwitch) {\n // don't force HE-AAC if mono stream\n if (track.metadata.channelCount !== 1 &&\n // don't force HE-AAC if firefox\n ua.indexOf('firefox') === -1) {\n audioCodec = 'mp4a.40.5';\n }\n }\n // HE-AAC is broken on Android, always signal audio codec as AAC even if variant manifest states otherwise\n if (ua.indexOf('android') !== -1 && track.container !== 'audio/mpeg') { // Exclude mpeg audio\n audioCodec = 'mp4a.40.2';\n logger.log(`Android: force audio codec to ${audioCodec}`);\n }\n track.levelCodec = audioCodec;\n track.id = data.id;\n }\n track = tracks.video;\n if (track) {\n track.levelCodec = this.levels[this.level].videoCodec;\n track.id = data.id;\n }\n this.hls.trigger(Event.BUFFER_CODECS, tracks);\n // loop through tracks that are going to be provided to bufferController\n for (trackName in tracks) {\n track = tracks[trackName];\n logger.log(`main track:${trackName},container:${track.container},codecs[level/parsed]=[${track.levelCodec}/${track.codec}]`);\n let initSegment = track.initSegment;\n if (initSegment) {\n this.appended = true;\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n this.hls.trigger(Event.BUFFER_APPENDING, { type: trackName, data: initSegment, parent: 'main', content: 'initSegment' });\n }\n }\n // trigger handler right now\n this.tick();\n }\n }\n\n onFragParsingData (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n !(data.type === 'audio' && this.altAudio) && // filter out main audio if audio track is loaded through audio stream controller\n this.state === State.PARSING) {\n let level = this.levels[this.level],\n frag = fragCurrent;\n if (!Number.isFinite(data.endPTS)) {\n data.endPTS = data.startPTS + fragCurrent.duration;\n data.endDTS = data.startDTS + fragCurrent.duration;\n }\n\n if (data.hasAudio === true) {\n frag.addElementaryStream(ElementaryStreamTypes.AUDIO);\n }\n\n if (data.hasVideo === true) {\n frag.addElementaryStream(ElementaryStreamTypes.VIDEO);\n }\n\n logger.log(`Parsed ${data.type},PTS:[${data.startPTS.toFixed(3)},${data.endPTS.toFixed(3)}],DTS:[${data.startDTS.toFixed(3)}/${data.endDTS.toFixed(3)}],nb:${data.nb},dropped:${data.dropped || 0}`);\n\n // Detect gaps in a fragment and try to fix it by finding a keyframe in the previous fragment (see _findFragments)\n if (data.type === 'video') {\n frag.dropped = data.dropped;\n if (frag.dropped) {\n if (!frag.backtracked) {\n const levelDetails = level.details;\n if (levelDetails && frag.sn === levelDetails.startSN) {\n logger.warn('missing video frame(s) on first frag, appending with gap', frag.sn);\n } else {\n logger.warn('missing video frame(s), backtracking fragment', frag.sn);\n // Return back to the IDLE state without appending to buffer\n // Causes findFragments to backtrack a segment and find the keyframe\n // Audio fragments arriving before video sets the nextLoadPosition, causing _findFragments to skip the backtracked fragment\n this.fragmentTracker.removeFragment(frag);\n frag.backtracked = true;\n this.nextLoadPosition = data.startPTS;\n this.state = State.IDLE;\n this.fragPrevious = frag;\n this.tick();\n return;\n }\n } else {\n logger.warn('Already backtracked on this fragment, appending with the gap', frag.sn);\n }\n } else {\n // Only reset the backtracked flag if we've loaded the frag without any dropped frames\n frag.backtracked = false;\n }\n }\n\n let drift = LevelHelper.updateFragPTSDTS(level.details, frag, data.startPTS, data.endPTS, data.startDTS, data.endDTS),\n hls = this.hls;\n hls.trigger(Event.LEVEL_PTS_UPDATED, { details: level.details, level: this.level, drift: drift, type: data.type, start: data.startPTS, end: data.endPTS });\n // has remuxer dropped video frames located before first keyframe ?\n [data.data1, data.data2].forEach(buffer => {\n // only append in PARSING state (rationale is that an appending error could happen synchronously on first segment appending)\n // in that case it is useless to append following segments\n if (buffer && buffer.length && this.state === State.PARSING) {\n this.appended = true;\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n hls.trigger(Event.BUFFER_APPENDING, { type: data.type, data: buffer, parent: 'main', content: 'data' });\n }\n });\n // trigger handler right now\n this.tick();\n }\n }\n\n onFragParsed (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'main' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n this.stats.tparsed = window.performance.now();\n this.state = State.PARSED;\n this._checkAppendedParsed();\n }\n }\n\n onAudioTrackSwitching (data) {\n // if any URL found on new audio track, it is an alternate audio track\n let altAudio = !!data.url,\n trackId = data.id;\n // if we switch on main audio, ensure that main fragment scheduling is synced with media.buffered\n // don't do anything if we switch to alt audio: audio stream controller is handling it.\n // we will just have to change buffer scheduling on audioTrackSwitched\n if (!altAudio) {\n if (this.mediaBuffer !== this.media) {\n logger.log('switching on main audio, use media.buffered to schedule main fragment loading');\n this.mediaBuffer = this.media;\n let fragCurrent = this.fragCurrent;\n // we need to refill audio buffer from main: cancel any frag loading to speed up audio switch\n if (fragCurrent.loader) {\n logger.log('switching to main audio track, cancel main fragment load');\n fragCurrent.loader.abort();\n }\n this.fragCurrent = null;\n this.fragPrevious = null;\n // destroy demuxer to force init segment generation (following audio switch)\n if (this.demuxer) {\n this.demuxer.destroy();\n this.demuxer = null;\n }\n // switch to IDLE state to load new fragment\n this.state = State.IDLE;\n }\n let hls = this.hls;\n // switching to main audio, flush all audio and trigger track switched\n hls.trigger(Event.BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' });\n hls.trigger(Event.AUDIO_TRACK_SWITCHED, { id: trackId });\n this.altAudio = false;\n }\n }\n\n onAudioTrackSwitched (data) {\n let trackId = data.id,\n altAudio = !!this.hls.audioTracks[trackId].url;\n if (altAudio) {\n let videoBuffer = this.videoBuffer;\n // if we switched on alternate audio, ensure that main fragment scheduling is synced with video sourcebuffer buffered\n if (videoBuffer && this.mediaBuffer !== videoBuffer) {\n logger.log('switching on alternate audio, use video.buffered to schedule main fragment loading');\n this.mediaBuffer = videoBuffer;\n }\n }\n this.altAudio = altAudio;\n this.tick();\n }\n\n onBufferCreated (data) {\n let tracks = data.tracks, mediaTrack, name, alternate = false;\n for (let type in tracks) {\n let track = tracks[type];\n if (track.id === 'main') {\n name = type;\n mediaTrack = track;\n // keep video source buffer reference\n if (type === 'video') {\n this.videoBuffer = tracks[type].buffer;\n }\n } else {\n alternate = true;\n }\n }\n if (alternate && mediaTrack) {\n logger.log(`alternate track found, use ${name}.buffered to schedule main fragment loading`);\n this.mediaBuffer = mediaTrack.buffer;\n } else {\n this.mediaBuffer = this.media;\n }\n }\n\n onBufferAppended (data) {\n if (data.parent === 'main') {\n const state = this.state;\n if (state === State.PARSING || state === State.PARSED) {\n // check if all buffers have been appended\n this.pendingBuffering = (data.pending > 0);\n this._checkAppendedParsed();\n }\n }\n }\n\n _checkAppendedParsed () {\n // trigger handler right now\n if (this.state === State.PARSED && (!this.appended || !this.pendingBuffering)) {\n const frag = this.fragCurrent;\n if (frag) {\n const media = this.mediaBuffer ? this.mediaBuffer : this.media;\n logger.log(`main buffered : ${TimeRanges.toString(media.buffered)}`);\n this.fragPrevious = frag;\n const stats = this.stats;\n stats.tbuffered = window.performance.now();\n // we should get rid of this.fragLastKbps\n this.fragLastKbps = Math.round(8 * stats.total / (stats.tbuffered - stats.tfirst));\n this.hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: frag, id: 'main' });\n this.state = State.IDLE;\n }\n this.tick();\n }\n }\n\n onError (data) {\n let frag = data.frag || this.fragCurrent;\n // don't handle frag error not related to main fragment\n if (frag && frag.type !== 'main') {\n return;\n }\n\n // 0.5 : tolerance needed as some browsers stalls playback before reaching buffered end\n let mediaBuffered = !!this.media && BufferHelper.isBuffered(this.media, this.media.currentTime) && BufferHelper.isBuffered(this.media, this.media.currentTime + 0.5);\n\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n if (!data.fatal) {\n // keep retrying until the limit will be reached\n if ((this.fragLoadError + 1) <= this.config.fragLoadingMaxRetry) {\n // exponential backoff capped to config.fragLoadingMaxRetryTimeout\n let delay = Math.min(Math.pow(2, this.fragLoadError) * this.config.fragLoadingRetryDelay, this.config.fragLoadingMaxRetryTimeout);\n logger.warn(`mediaController: frag loading failed, retry in ${delay} ms`);\n this.retryDate = window.performance.now() + delay;\n // retry loading state\n // if loadedmetadata is not set, it means that we are emergency switch down on first frag\n // in that case, reset startFragRequested flag\n if (!this.loadedmetadata) {\n this.startFragRequested = false;\n this.nextLoadPosition = this.startPosition;\n }\n this.fragLoadError++;\n this.state = State.FRAG_LOADING_WAITING_RETRY;\n } else {\n logger.error(`mediaController: ${data.details} reaches max retry, redispatch as fatal ...`);\n // switch error to fatal\n data.fatal = true;\n this.state = State.ERROR;\n }\n }\n break;\n case ErrorDetails.LEVEL_LOAD_ERROR:\n case ErrorDetails.LEVEL_LOAD_TIMEOUT:\n if (this.state !== State.ERROR) {\n if (data.fatal) {\n // if fatal error, stop processing\n this.state = State.ERROR;\n logger.warn(`streamController: ${data.details},switch to ${this.state} state ...`);\n } else {\n // in case of non fatal error while loading level, if level controller is not retrying to load level , switch back to IDLE\n if (!data.levelRetry && this.state === State.WAITING_LEVEL) {\n this.state = State.IDLE;\n }\n }\n }\n break;\n case ErrorDetails.BUFFER_FULL_ERROR:\n // if in appending state\n if (data.parent === 'main' && (this.state === State.PARSING || this.state === State.PARSED)) {\n // reduce max buf len if current position is buffered\n if (mediaBuffered) {\n this._reduceMaxBufferLength(this.config.maxBufferLength);\n this.state = State.IDLE;\n } else {\n // current position is not buffered, but browser is still complaining about buffer full error\n // this happens on IE/Edge, refer to https://github.com/video-dev/hls.js/pull/708\n // in that case flush the whole buffer to recover\n logger.warn('buffer full error also media.currentTime is not buffered, flush everything');\n this.fragCurrent = null;\n // flush everything\n this.flushMainBuffer(0, Number.POSITIVE_INFINITY);\n }\n }\n break;\n default:\n break;\n }\n }\n\n _reduceMaxBufferLength (minLength) {\n let config = this.config;\n if (config.maxMaxBufferLength >= minLength) {\n // reduce max buffer length as it might be too high. we do this to avoid loop flushing ...\n config.maxMaxBufferLength /= 2;\n logger.warn(`main:reduce max buffer length to ${config.maxMaxBufferLength}s`);\n return true;\n }\n return false;\n }\n\n /**\n * Checks the health of the buffer and attempts to resolve playback stalls.\n * @private\n */\n _checkBuffer () {\n const { media } = this;\n if (!media || media.readyState === 0) {\n // Exit early if we don't have media or if the media hasn't bufferd anything yet (readyState 0)\n return;\n }\n\n const mediaBuffer = this.mediaBuffer ? this.mediaBuffer : media;\n const buffered = mediaBuffer.buffered;\n\n if (!this.loadedmetadata && buffered.length) {\n this.loadedmetadata = true;\n this._seekToStartPos();\n } else if (this.immediateSwitch) {\n this.immediateLevelSwitchEnd();\n } else {\n this.gapController.poll(this.lastCurrentTime, buffered);\n }\n }\n\n onFragLoadEmergencyAborted () {\n this.state = State.IDLE;\n // if loadedmetadata is not set, it means that we are emergency switch down on first frag\n // in that case, reset startFragRequested flag\n if (!this.loadedmetadata) {\n this.startFragRequested = false;\n this.nextLoadPosition = this.startPosition;\n }\n this.tick();\n }\n\n onBufferFlushed () {\n /* after successful buffer flushing, filter flushed fragments from bufferedFrags\n use mediaBuffered instead of media (so that we will check against video.buffered ranges in case of alt audio track)\n */\n const media = this.mediaBuffer ? this.mediaBuffer : this.media;\n if (media) {\n // filter fragments potentially evicted from buffer. this is to avoid memleak on live streams\n this.fragmentTracker.detectEvictedFragments(ElementaryStreamTypes.VIDEO, media.buffered);\n }\n // move to IDLE once flush complete. this should trigger new fragment loading\n this.state = State.IDLE;\n // reset reference to frag\n this.fragPrevious = null;\n }\n\n swapAudioCodec () {\n this.audioCodecSwap = !this.audioCodecSwap;\n }\n /**\n * Seeks to the set startPosition if not equal to the mediaElement's current time.\n * @private\n */\n _seekToStartPos () {\n const { media } = this;\n const currentTime = media.currentTime;\n // only adjust currentTime if different from startPosition or if startPosition not buffered\n // at that stage, there should be only one buffered range, as we reach that code after first fragment has been buffered\n const startPosition = media.seeking ? currentTime : this.startPosition;\n // if currentTime not matching with expected startPosition or startPosition not buffered but close to first buffered\n if (currentTime !== startPosition && startPosition >= 0) {\n // if startPosition not buffered, let's seek to buffered.start(0)\n logger.log(`target start position not buffered, seek to buffered.start(0) ${startPosition} from current time ${currentTime} `);\n media.currentTime = startPosition;\n }\n }\n\n _getAudioCodec (currentLevel) {\n let audioCodec = this.config.defaultAudioCodec || currentLevel.audioCodec;\n if (this.audioCodecSwap) {\n logger.log('swapping playlist audio codec');\n if (audioCodec) {\n if (audioCodec.indexOf('mp4a.40.5') !== -1) {\n audioCodec = 'mp4a.40.2';\n } else {\n audioCodec = 'mp4a.40.5';\n }\n }\n }\n\n return audioCodec;\n }\n\n get liveSyncPosition () {\n return this._liveSyncPosition;\n }\n\n set liveSyncPosition (value) {\n this._liveSyncPosition = value;\n }\n}\nexport default StreamController;\n","/*\n * Level Controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { isCodecSupportedInMp4 } from '../utils/codecs';\nimport { addGroupId, computeReloadInterval } from './level-helper';\n\nconst { performance } = window;\nlet chromeOrFirefox;\n\nexport default class LevelController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.MANIFEST_LOADED,\n Event.LEVEL_LOADED,\n Event.AUDIO_TRACK_SWITCHED,\n Event.FRAG_LOADED,\n Event.ERROR);\n\n this.canload = false;\n this.currentLevelIndex = null;\n this.manualLevelIndex = -1;\n this.timer = null;\n\n chromeOrFirefox = /chrome|firefox/.test(navigator.userAgent.toLowerCase());\n }\n\n onHandlerDestroying () {\n this.clearTimer();\n this.manualLevelIndex = -1;\n }\n\n clearTimer () {\n if (this.timer !== null) {\n clearTimeout(this.timer);\n this.timer = null;\n }\n }\n\n startLoad () {\n let levels = this._levels;\n\n this.canload = true;\n this.levelRetryCount = 0;\n\n // clean up live level details to force reload them, and reset load errors\n if (levels) {\n levels.forEach(level => {\n level.loadError = 0;\n const levelDetails = level.details;\n if (levelDetails && levelDetails.live) {\n level.details = undefined;\n }\n });\n }\n // speed up live playlist refresh if timer exists\n if (this.timer !== null) {\n this.loadLevel();\n }\n }\n\n stopLoad () {\n this.canload = false;\n }\n\n onManifestLoaded (data) {\n let levels = [];\n let audioTracks = [];\n let bitrateStart;\n let levelSet = {};\n let levelFromSet = null;\n let videoCodecFound = false;\n let audioCodecFound = false;\n\n // regroup redundant levels together\n data.levels.forEach(level => {\n const attributes = level.attrs;\n level.loadError = 0;\n level.fragmentError = false;\n\n videoCodecFound = videoCodecFound || !!level.videoCodec;\n audioCodecFound = audioCodecFound || !!level.audioCodec;\n\n // erase audio codec info if browser does not support mp4a.40.34.\n // demuxer will autodetect codec and fallback to mpeg/audio\n if (chromeOrFirefox && level.audioCodec && level.audioCodec.indexOf('mp4a.40.34') !== -1) {\n level.audioCodec = undefined;\n }\n\n levelFromSet = levelSet[level.bitrate]; // FIXME: we would also have to match the resolution here\n\n if (!levelFromSet) {\n level.url = [level.url];\n level.urlId = 0;\n levelSet[level.bitrate] = level;\n levels.push(level);\n } else {\n levelFromSet.url.push(level.url);\n }\n\n if (attributes) {\n if (attributes.AUDIO) {\n audioCodecFound = true;\n addGroupId(levelFromSet || level, 'audio', attributes.AUDIO);\n }\n if (attributes.SUBTITLES) {\n addGroupId(levelFromSet || level, 'text', attributes.SUBTITLES);\n }\n }\n });\n\n // remove audio-only level if we also have levels with audio+video codecs signalled\n if (videoCodecFound && audioCodecFound) {\n levels = levels.filter(({ videoCodec }) => !!videoCodec);\n }\n\n // only keep levels with supported audio/video codecs\n levels = levels.filter(({ audioCodec, videoCodec }) => {\n return (!audioCodec || isCodecSupportedInMp4(audioCodec, 'audio')) && (!videoCodec || isCodecSupportedInMp4(videoCodec, 'video'));\n });\n\n if (data.audioTracks) {\n audioTracks = data.audioTracks.filter(track => !track.audioCodec || isCodecSupportedInMp4(track.audioCodec, 'audio'));\n // Reassign id's after filtering since they're used as array indices\n audioTracks.forEach((track, index) => {\n track.id = index;\n });\n }\n\n if (levels.length > 0) {\n // start bitrate is the first bitrate of the manifest\n bitrateStart = levels[0].bitrate;\n // sort level on bitrate\n levels.sort((a, b) => a.bitrate - b.bitrate);\n this._levels = levels;\n // find index of first level in sorted levels\n for (let i = 0; i < levels.length; i++) {\n if (levels[i].bitrate === bitrateStart) {\n this._firstLevel = i;\n logger.log(`manifest loaded,${levels.length} level(s) found, first bitrate:${bitrateStart}`);\n break;\n }\n }\n\n // Audio is only alternate if manifest include a URI along with the audio group tag\n this.hls.trigger(Event.MANIFEST_PARSED, {\n levels,\n audioTracks,\n firstLevel: this._firstLevel,\n stats: data.stats,\n audio: audioCodecFound,\n video: videoCodecFound,\n altAudio: audioTracks.some(t => !!t.url)\n });\n } else {\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.MANIFEST_INCOMPATIBLE_CODECS_ERROR,\n fatal: true,\n url: this.hls.url,\n reason: 'no level with compatible codecs found in manifest'\n });\n }\n }\n\n get levels () {\n return this._levels;\n }\n\n get level () {\n return this.currentLevelIndex;\n }\n\n set level (newLevel) {\n let levels = this._levels;\n if (levels) {\n newLevel = Math.min(newLevel, levels.length - 1);\n if (this.currentLevelIndex !== newLevel || !levels[newLevel].details) {\n this.setLevelInternal(newLevel);\n }\n }\n }\n\n setLevelInternal (newLevel) {\n const levels = this._levels;\n const hls = this.hls;\n // check if level idx is valid\n if (newLevel >= 0 && newLevel < levels.length) {\n // stopping live reloading timer if any\n this.clearTimer();\n if (this.currentLevelIndex !== newLevel) {\n logger.log(`switching to level ${newLevel}`);\n this.currentLevelIndex = newLevel;\n const levelProperties = levels[newLevel];\n levelProperties.level = newLevel;\n hls.trigger(Event.LEVEL_SWITCHING, levelProperties);\n }\n const level = levels[newLevel];\n const levelDetails = level.details;\n\n // check if we need to load playlist for this level\n if (!levelDetails || levelDetails.live) {\n // level not retrieved yet, or live playlist we need to (re)load it\n let urlId = level.urlId;\n hls.trigger(Event.LEVEL_LOADING, { url: level.url[urlId], level: newLevel, id: urlId });\n }\n } else {\n // invalid level id given, trigger error\n hls.trigger(Event.ERROR, {\n type: ErrorTypes.OTHER_ERROR,\n details: ErrorDetails.LEVEL_SWITCH_ERROR,\n level: newLevel,\n fatal: false,\n reason: 'invalid level idx'\n });\n }\n }\n\n get manualLevel () {\n return this.manualLevelIndex;\n }\n\n set manualLevel (newLevel) {\n this.manualLevelIndex = newLevel;\n if (this._startLevel === undefined) {\n this._startLevel = newLevel;\n }\n\n if (newLevel !== -1) {\n this.level = newLevel;\n }\n }\n\n get firstLevel () {\n return this._firstLevel;\n }\n\n set firstLevel (newLevel) {\n this._firstLevel = newLevel;\n }\n\n get startLevel () {\n // hls.startLevel takes precedence over config.startLevel\n // if none of these values are defined, fallback on this._firstLevel (first quality level appearing in variant manifest)\n if (this._startLevel === undefined) {\n let configStartLevel = this.hls.config.startLevel;\n if (configStartLevel !== undefined) {\n return configStartLevel;\n } else {\n return this._firstLevel;\n }\n } else {\n return this._startLevel;\n }\n }\n\n set startLevel (newLevel) {\n this._startLevel = newLevel;\n }\n\n onError (data) {\n if (data.fatal) {\n if (data.type === ErrorTypes.NETWORK_ERROR) {\n this.clearTimer();\n }\n\n return;\n }\n\n let levelError = false, fragmentError = false;\n let levelIndex;\n\n // try to recover not fatal errors\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n levelIndex = data.frag.level;\n fragmentError = true;\n break;\n case ErrorDetails.LEVEL_LOAD_ERROR:\n case ErrorDetails.LEVEL_LOAD_TIMEOUT:\n levelIndex = data.context.level;\n levelError = true;\n break;\n case ErrorDetails.REMUX_ALLOC_ERROR:\n levelIndex = data.level;\n levelError = true;\n break;\n }\n\n if (levelIndex !== undefined) {\n this.recoverLevel(data, levelIndex, levelError, fragmentError);\n }\n }\n\n /**\n * Switch to a redundant stream if any available.\n * If redundant stream is not available, emergency switch down if ABR mode is enabled.\n *\n * @param {Object} errorEvent\n * @param {Number} levelIndex current level index\n * @param {Boolean} levelError\n * @param {Boolean} fragmentError\n */\n // FIXME Find a better abstraction where fragment/level retry management is well decoupled\n recoverLevel (errorEvent, levelIndex, levelError, fragmentError) {\n let { config } = this.hls;\n let { details: errorDetails } = errorEvent;\n let level = this._levels[levelIndex];\n let redundantLevels, delay, nextLevel;\n\n level.loadError++;\n level.fragmentError = fragmentError;\n\n if (levelError) {\n if ((this.levelRetryCount + 1) <= config.levelLoadingMaxRetry) {\n // exponential backoff capped to max retry timeout\n delay = Math.min(Math.pow(2, this.levelRetryCount) * config.levelLoadingRetryDelay, config.levelLoadingMaxRetryTimeout);\n // Schedule level reload\n this.timer = setTimeout(() => this.loadLevel(), delay);\n // boolean used to inform stream controller not to switch back to IDLE on non fatal error\n errorEvent.levelRetry = true;\n this.levelRetryCount++;\n logger.warn(`level controller, ${errorDetails}, retry in ${delay} ms, current retry count is ${this.levelRetryCount}`);\n } else {\n logger.error(`level controller, cannot recover from ${errorDetails} error`);\n this.currentLevelIndex = null;\n // stopping live reloading timer if any\n this.clearTimer();\n // switch error to fatal\n errorEvent.fatal = true;\n return;\n }\n }\n\n // Try any redundant streams if available for both errors: level and fragment\n // If level.loadError reaches redundantLevels it means that we tried them all, no hope => let's switch down\n if (levelError || fragmentError) {\n redundantLevels = level.url.length;\n\n if (redundantLevels > 1 && level.loadError < redundantLevels) {\n level.urlId = (level.urlId + 1) % redundantLevels;\n level.details = undefined;\n\n logger.warn(`level controller, ${errorDetails} for level ${levelIndex}: switching to redundant URL-id ${level.urlId}`);\n\n // console.log('Current audio track group ID:', this.hls.audioTracks[this.hls.audioTrack].groupId);\n // console.log('New video quality level audio group id:', level.attrs.AUDIO);\n } else {\n // Search for available level\n if (this.manualLevelIndex === -1) {\n // When lowest level has been reached, let's start hunt from the top\n nextLevel = (levelIndex === 0) ? this._levels.length - 1 : levelIndex - 1;\n logger.warn(`level controller, ${errorDetails}: switch to ${nextLevel}`);\n this.hls.nextAutoLevel = this.currentLevelIndex = nextLevel;\n } else if (fragmentError) {\n // Allow fragment retry as long as configuration allows.\n // reset this._level so that another call to set level() will trigger again a frag load\n logger.warn(`level controller, ${errorDetails}: reload a fragment`);\n this.currentLevelIndex = null;\n }\n }\n }\n }\n\n // reset errors on the successful load of a fragment\n onFragLoaded ({ frag }) {\n if (frag !== undefined && frag.type === 'main') {\n const level = this._levels[frag.level];\n if (level !== undefined) {\n level.fragmentError = false;\n level.loadError = 0;\n this.levelRetryCount = 0;\n }\n }\n }\n\n onLevelLoaded (data) {\n const { level, details } = data;\n // only process level loaded events matching with expected level\n if (level !== this.currentLevelIndex) {\n return;\n }\n\n const curLevel = this._levels[level];\n // reset level load error counter on successful level loaded only if there is no issues with fragments\n if (!curLevel.fragmentError) {\n curLevel.loadError = 0;\n this.levelRetryCount = 0;\n }\n // if current playlist is a live playlist, arm a timer to reload it\n if (details.live) {\n const reloadInterval = computeReloadInterval(curLevel.details, details, data.stats.trequest);\n logger.log(`live playlist, reload in ${Math.round(reloadInterval)} ms`);\n this.timer = setTimeout(() => this.loadLevel(), reloadInterval);\n } else {\n this.clearTimer();\n }\n }\n\n onAudioTrackSwitched (data) {\n const audioGroupId = this.hls.audioTracks[data.id].groupId;\n\n const currentLevel = this.hls.levels[this.currentLevelIndex];\n if (!currentLevel) {\n return;\n }\n\n if (currentLevel.audioGroupIds) {\n let urlId = -1;\n\n for (let i = 0; i < currentLevel.audioGroupIds.length; i++) {\n if (currentLevel.audioGroupIds[i] === audioGroupId) {\n urlId = i;\n break;\n }\n }\n\n if (urlId !== currentLevel.urlId) {\n currentLevel.urlId = urlId;\n this.startLoad();\n }\n }\n }\n\n loadLevel () {\n logger.debug('call to loadLevel');\n\n if (this.currentLevelIndex !== null && this.canload) {\n const levelObject = this._levels[this.currentLevelIndex];\n\n if (typeof levelObject === 'object' &&\n levelObject.url.length > 0) {\n const level = this.currentLevelIndex;\n const id = levelObject.urlId;\n const url = levelObject.url[id];\n\n logger.log(`Attempt loading level index ${level} with URL-id ${id}`);\n\n // console.log('Current audio track group ID:', this.hls.audioTracks[this.hls.audioTrack].groupId);\n // console.log('New video quality level audio group id:', levelObject.attrs.AUDIO, level);\n\n this.hls.trigger(Event.LEVEL_LOADING, { url, level, id });\n }\n }\n }\n\n get nextLoadLevel () {\n if (this.manualLevelIndex !== -1) {\n return this.manualLevelIndex;\n } else {\n return this.hls.nextAutoLevel;\n }\n }\n\n set nextLoadLevel (nextLevel) {\n this.level = nextLevel;\n if (this.manualLevelIndex === -1) {\n this.hls.nextAutoLevel = nextLevel;\n }\n }\n}\n","\nexport function sendAddTrackEvent (track: TextTrack, videoEl: HTMLMediaElement) {\n let event: Event;\n try {\n event = new Event('addtrack');\n } catch (err) {\n // for IE11\n event = document.createEvent('Event');\n event.initEvent('addtrack', false, false);\n }\n (event as any).track = track;\n videoEl.dispatchEvent(event);\n}\n\nexport function clearCurrentCues (track: TextTrack) {\n if (track && track.cues) {\n while (track.cues.length > 0) {\n track.removeCue(track.cues[0]);\n }\n }\n}\n\n/**\n\n * Given a list of Cues, finds the closest cue matching the given time.\n * Modified verison of binary search O(log(n)).\n *\n * @export\n * @param {(TextTrackCueList | TextTrackCue[])} cues - List of cues.\n * @param {number} time - Target time, to find closest cue to.\n * @returns {TextTrackCue}\n */\nexport function getClosestCue (cues: TextTrackCueList | TextTrackCue[], time: number): TextTrackCue {\n // If the offset is less than the first element, the first element is the closest.\n if (time < cues[0].endTime) {\n return cues[0];\n }\n // If the offset is greater than the last cue, the last is the closest.\n if (time > cues[cues.length - 1].endTime) {\n return cues[cues.length - 1];\n }\n\n let left = 0;\n let right = cues.length - 1;\n\n while (left <= right) {\n const mid = Math.floor((right + left) / 2);\n\n if (time < cues[mid].endTime) {\n right = mid - 1;\n } else if (time > cues[mid].endTime) {\n left = mid + 1;\n } else {\n // If it's not lower or higher, it must be equal.\n return cues[mid];\n }\n }\n // At this point, left and right have swapped.\n // No direct match was found, left or right element must be the closest. Check which one has the smallest diff.\n return (cues[left].endTime - time) < (time - cues[right].endTime) ? cues[left] : cues[right];\n}\n","/*\n * id3 metadata track controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport ID3 from '../demux/id3';\nimport { logger } from '../utils/logger';\nimport { sendAddTrackEvent, clearCurrentCues, getClosestCue } from '../utils/texttrack-utils';\n\nclass ID3TrackController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.FRAG_PARSING_METADATA,\n Event.LIVE_BACK_BUFFER_REACHED\n );\n\n this.id3Track = undefined;\n this.media = undefined;\n }\n\n destroy () {\n EventHandler.prototype.destroy.call(this);\n }\n\n // Add ID3 metatadata text track.\n onMediaAttached (data) {\n this.media = data.media;\n if (!this.media) {\n\n }\n }\n\n onMediaDetaching () {\n clearCurrentCues(this.id3Track);\n this.id3Track = undefined;\n this.media = undefined;\n }\n\n getID3Track (textTracks) {\n for (let i = 0; i < textTracks.length; i++) {\n let textTrack = textTracks[i];\n if (textTrack.kind === 'metadata' && textTrack.label === 'id3') {\n // send 'addtrack' when reusing the textTrack for metadata,\n // same as what we do for captions\n sendAddTrackEvent(textTrack, this.media);\n\n return textTrack;\n }\n }\n return this.media.addTextTrack('metadata', 'id3');\n }\n\n onLiveBackBufferReached ({ bufferEnd }) {\n if (!this.id3Track || !this.id3Track.cues || !this.id3Track.cues.length) {\n return;\n }\n const foundCue = getClosestCue(this.id3Track.cues, bufferEnd);\n if (!foundCue) {\n return;\n }\n\n let removeCues = true;\n while (removeCues) {\n const cue = this.id3Track.cues[0];\n if (!this.id3Track.cues.length || cue.id === foundCue.id) {\n removeCues = false;\n return;\n }\n this.id3Track.removeCue(cue);\n }\n }\n\n onFragParsingMetadata (data) {\n const fragment = data.frag;\n const samples = data.samples;\n\n // create track dynamically\n if (!this.id3Track) {\n this.id3Track = this.getID3Track(this.media.textTracks);\n this.id3Track.mode = 'hidden';\n }\n\n // Attempt to recreate Safari functionality by creating\n // WebKitDataCue objects when available and store the decoded\n // ID3 data in the value property of the cue\n let Cue = window.WebKitDataCue || window.VTTCue || window.TextTrackCue;\n\n for (let i = 0; i < samples.length; i++) {\n const frames = ID3.getID3Frames(samples[i].data);\n if (frames) {\n const startTime = samples[i].pts;\n let endTime = i < samples.length - 1 ? samples[i + 1].pts : fragment.endPTS;\n\n if (startTime === endTime) {\n // Give a slight bump to the endTime if it's equal to startTime to avoid a SyntaxError in IE\n endTime += 0.0001;\n } else if (startTime > endTime) {\n logger.warn('detected an id3 sample with endTime < startTime, adjusting endTime to (startTime + 0.25)');\n endTime = startTime + 0.25;\n }\n\n for (let j = 0; j < frames.length; j++) {\n const frame = frames[j];\n // Safari doesn't put the timestamp frame in the TextTrack\n if (!ID3.isTimeStampFrame(frame)) {\n const cue = new Cue(startTime, endTime, '');\n cue.value = frame;\n this.id3Track.addCue(cue);\n }\n }\n }\n }\n }\n\n onLiveBackBufferReached ({ bufferEnd }) {\n const { id3Track } = this;\n if (!id3Track || !id3Track.cues || !id3Track.cues.length) {\n return;\n }\n const foundCue = getClosestCue(id3Track.cues, bufferEnd);\n if (!foundCue) {\n return;\n }\n while (id3Track.cues[0] !== foundCue) {\n id3Track.removeCue(id3Track.cues[0]);\n }\n }\n}\n\nexport default ID3TrackController;\n","/*\n * compute an Exponential Weighted moving average\n * - https://en.wikipedia.org/wiki/Moving_average#Exponential_moving_average\n * - heavily inspired from shaka-player\n */\n\nclass EWMA {\n private alpha_: number;\n private estimate_: number;\n private totalWeight_: number;\n\n // About half of the estimated value will be from the last |halfLife| samples by weight.\n constructor (halfLife: number) {\n // Larger values of alpha expire historical data more slowly.\n this.alpha_ = halfLife ? Math.exp(Math.log(0.5) / halfLife) : 0;\n this.estimate_ = 0;\n this.totalWeight_ = 0;\n }\n\n sample (weight: number, value: number) {\n let adjAlpha = Math.pow(this.alpha_, weight);\n this.estimate_ = value * (1 - adjAlpha) + adjAlpha * this.estimate_;\n this.totalWeight_ += weight;\n }\n\n getTotalWeight (): number {\n return this.totalWeight_;\n }\n\n getEstimate (): number {\n if (this.alpha_) {\n let zeroFactor = 1 - Math.pow(this.alpha_, this.totalWeight_);\n return this.estimate_ / zeroFactor;\n } else {\n return this.estimate_;\n }\n }\n}\n\nexport default EWMA;\n","/*\n * EWMA Bandwidth Estimator\n * - heavily inspired from shaka-player\n * Tracks bandwidth samples and estimates available bandwidth.\n * Based on the minimum of two exponentially-weighted moving averages with\n * different half-lives.\n */\n\nimport EWMA from '../utils/ewma';\n\nclass EwmaBandWidthEstimator {\n hls: any;\n\n private defaultEstimate_: number;\n private minWeight_: number;\n private minDelayMs_: number;\n private slow_: EWMA;\n private fast_: EWMA;\n\n // TODO(typescript-hls)\n constructor (hls: any, slow: number, fast: number, defaultEstimate: number) {\n this.hls = hls;\n this.defaultEstimate_ = defaultEstimate;\n this.minWeight_ = 0.001;\n this.minDelayMs_ = 50;\n this.slow_ = new EWMA(slow);\n this.fast_ = new EWMA(fast);\n }\n\n sample (durationMs: number, numBytes: number) {\n durationMs = Math.max(durationMs, this.minDelayMs_);\n let numBits = 8 * numBytes,\n // weight is duration in seconds\n durationS = durationMs / 1000,\n // value is bandwidth in bits/s\n bandwidthInBps = numBits / durationS;\n this.fast_.sample(durationS, bandwidthInBps);\n this.slow_.sample(durationS, bandwidthInBps);\n }\n\n canEstimate (): boolean {\n let fast = this.fast_;\n return (fast && fast.getTotalWeight() >= this.minWeight_);\n }\n\n getEstimate (): number {\n if (this.canEstimate()) {\n // console.log('slow estimate:'+ Math.round(this.slow_.getEstimate()));\n // console.log('fast estimate:'+ Math.round(this.fast_.getEstimate()));\n // Take the minimum of these two estimates. This should have the effect of\n // adapting down quickly, but up more slowly.\n return Math.min(this.fast_.getEstimate(), this.slow_.getEstimate());\n } else {\n return this.defaultEstimate_;\n }\n }\n\n destroy () {\n }\n}\nexport default EwmaBandWidthEstimator;\n","/*\n * simple ABR Controller\n * - compute next level based on last fragment bw heuristics\n * - implement an abandon rules triggered if we have less than 2 frag buffered and if computed bw shows that we risk buffer stalling\n */\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport { ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport EwmaBandWidthEstimator from '../utils/ewma-bandwidth-estimator';\n\nconst { performance } = window;\n\nclass AbrController extends EventHandler {\n constructor (hls) {\n super(hls, Event.FRAG_LOADING,\n Event.FRAG_LOADED,\n Event.FRAG_BUFFERED,\n Event.ERROR);\n this.lastLoadedFragLevel = 0;\n this._nextAutoLevel = -1;\n this.hls = hls;\n this.timer = null;\n this._bwEstimator = null;\n this.onCheck = this._abandonRulesCheck.bind(this);\n }\n\n destroy () {\n this.clearTimer();\n EventHandler.prototype.destroy.call(this);\n }\n\n onFragLoading (data) {\n const frag = data.frag;\n if (frag.type === 'main') {\n if (!this.timer) {\n this.fragCurrent = frag;\n this.timer = setInterval(this.onCheck, 100);\n }\n\n // lazy init of BwEstimator, rationale is that we use different params for Live/VoD\n // so we need to wait for stream manifest / playlist type to instantiate it.\n if (!this._bwEstimator) {\n const hls = this.hls;\n const config = hls.config;\n const level = frag.level;\n const isLive = hls.levels[level].details.live;\n\n let ewmaFast;\n let ewmaSlow;\n if (isLive) {\n ewmaFast = config.abrEwmaFastLive;\n ewmaSlow = config.abrEwmaSlowLive;\n } else {\n ewmaFast = config.abrEwmaFastVoD;\n ewmaSlow = config.abrEwmaSlowVoD;\n }\n this._bwEstimator = new EwmaBandWidthEstimator(hls, ewmaSlow, ewmaFast, config.abrEwmaDefaultEstimate);\n }\n }\n }\n\n _abandonRulesCheck () {\n /*\n monitor fragment retrieval time...\n we compute expected time of arrival of the complete fragment.\n we compare it to expected time of buffer starvation\n */\n const hls = this.hls;\n const video = hls.media;\n const frag = this.fragCurrent;\n\n if (!frag) {\n return;\n }\n\n const loader = frag.loader;\n const minAutoLevel = hls.minAutoLevel;\n\n // if loader has been destroyed or loading has been aborted, stop timer and return\n if (!loader || (loader.stats && loader.stats.aborted)) {\n logger.warn('frag loader destroy or aborted, disarm abandonRules');\n this.clearTimer();\n // reset forced auto level value so that next level will be selected\n this._nextAutoLevel = -1;\n return;\n }\n let stats = loader.stats;\n /* only monitor frag retrieval time if\n (video not paused OR first fragment being loaded(ready state === HAVE_NOTHING = 0)) AND autoswitching enabled AND not lowest level (=> means that we have several levels) */\n if (video && stats && ((!video.paused && (video.playbackRate !== 0)) || !video.readyState) && frag.autoLevel && frag.level) {\n const requestDelay = performance.now() - stats.trequest;\n const playbackRate = Math.abs(video.playbackRate);\n\n // monitor fragment load progress after half of expected fragment duration,to stabilize bitrate\n if (requestDelay > (500 * frag.duration / playbackRate)) {\n const levels = hls.levels;\n const loadRate = Math.max(1, stats.bw ? stats.bw / 8 : stats.loaded * 1000 / requestDelay); // byte/s; at least 1 byte/s to avoid division by zero\n\n // compute expected fragment length using frag duration and level bitrate. also ensure that expected len is gte than already loaded size\n const level = levels[frag.level];\n const levelBitrate = level.realBitrate ? Math.max(level.realBitrate, level.bitrate) : level.bitrate;\n const expectedLen = stats.total ? stats.total : Math.max(stats.loaded, Math.round(frag.duration * levelBitrate / 8));\n const pos = video.currentTime;\n const fragLoadedDelay = (expectedLen - stats.loaded) / loadRate;\n const bufferStarvationDelay = (BufferHelper.bufferInfo(video, pos, hls.config.maxBufferHole).end - pos) / playbackRate;\n\n // consider emergency switch down only if we have less than 2 frag buffered AND\n // time to finish loading current fragment is bigger than buffer starvation delay\n // ie if we risk buffer starvation if bw does not increase quickly\n if ((bufferStarvationDelay < (2 * frag.duration / playbackRate)) && (fragLoadedDelay > bufferStarvationDelay)) {\n let fragLevelNextLoadedDelay;\n let nextLoadLevel;\n // lets iterate through lower level and try to find the biggest one that could avoid rebuffering\n // we start from current level - 1 and we step down , until we find a matching level\n for (nextLoadLevel = frag.level - 1; nextLoadLevel > minAutoLevel; nextLoadLevel--) {\n // compute time to load next fragment at lower level\n // 0.8 : consider only 80% of current bw to be conservative\n // 8 = bits per byte (bps/Bps)\n const levelNextBitrate = levels[nextLoadLevel].realBitrate\n ? Math.max(levels[nextLoadLevel].realBitrate, levels[nextLoadLevel].bitrate)\n : levels[nextLoadLevel].bitrate;\n\n const fragLevelNextLoadedDelay = frag.duration * levelNextBitrate / (8 * 0.8 * loadRate);\n\n if (fragLevelNextLoadedDelay < bufferStarvationDelay) {\n // we found a lower level that be rebuffering free with current estimated bw !\n break;\n }\n }\n // only emergency switch down if it takes less time to load new fragment at lowest level instead\n // of finishing loading current one ...\n if (fragLevelNextLoadedDelay < fragLoadedDelay) {\n logger.warn(`loading too slow, abort fragment loading and switch to level ${nextLoadLevel}:fragLoadedDelay[${nextLoadLevel}]<fragLoadedDelay[${frag.level - 1}];bufferStarvationDelay:${fragLevelNextLoadedDelay.toFixed(1)}<${fragLoadedDelay.toFixed(1)}:${bufferStarvationDelay.toFixed(1)}`);\n // force next load level in auto mode\n hls.nextLoadLevel = nextLoadLevel;\n // update bw estimate for this fragment before cancelling load (this will help reducing the bw)\n this._bwEstimator.sample(requestDelay, stats.loaded);\n // abort fragment loading\n loader.abort();\n // stop abandon rules timer\n this.clearTimer();\n hls.trigger(Event.FRAG_LOAD_EMERGENCY_ABORTED, { frag: frag, stats: stats });\n }\n }\n }\n }\n }\n\n onFragLoaded (data) {\n const frag = data.frag;\n if (frag.type === 'main' && Number.isFinite(frag.sn)) {\n // stop monitoring bw once frag loaded\n this.clearTimer();\n // store level id after successful fragment load\n this.lastLoadedFragLevel = frag.level;\n // reset forced auto level value so that next level will be selected\n this._nextAutoLevel = -1;\n\n // compute level average bitrate\n if (this.hls.config.abrMaxWithRealBitrate) {\n const level = this.hls.levels[frag.level];\n let loadedBytes = (level.loaded ? level.loaded.bytes : 0) + data.stats.loaded;\n let loadedDuration = (level.loaded ? level.loaded.duration : 0) + data.frag.duration;\n level.loaded = { bytes: loadedBytes, duration: loadedDuration };\n level.realBitrate = Math.round(8 * loadedBytes / loadedDuration);\n }\n // if fragment has been loaded to perform a bitrate test,\n if (data.frag.bitrateTest) {\n let stats = data.stats;\n stats.tparsed = stats.tbuffered = stats.tload;\n this.onFragBuffered(data);\n }\n }\n }\n\n onFragBuffered (data) {\n const stats = data.stats;\n const frag = data.frag;\n // only update stats on first frag buffering\n // if same frag is loaded multiple times, it might be in browser cache, and loaded quickly\n // and leading to wrong bw estimation\n // on bitrate test, also only update stats once (if tload = tbuffered == on FRAG_LOADED)\n if (stats.aborted !== true && frag.type === 'main' && Number.isFinite(frag.sn) && ((!frag.bitrateTest || stats.tload === stats.tbuffered))) {\n // use tparsed-trequest instead of tbuffered-trequest to compute fragLoadingProcessing; rationale is that buffer appending only happens once media is attached\n // in case we use config.startFragPrefetch while media is not attached yet, fragment might be parsed while media not attached yet, but it will only be buffered on media attached\n // as a consequence it could happen really late in the process. meaning that appending duration might appears huge ... leading to underestimated throughput estimation\n let fragLoadingProcessingMs = stats.tparsed - stats.trequest;\n logger.log(`latency/loading/parsing/append/kbps:${Math.round(stats.tfirst - stats.trequest)}/${Math.round(stats.tload - stats.tfirst)}/${Math.round(stats.tparsed - stats.tload)}/${Math.round(stats.tbuffered - stats.tparsed)}/${Math.round(8 * stats.loaded / (stats.tbuffered - stats.trequest))}`);\n this._bwEstimator.sample(fragLoadingProcessingMs, stats.loaded);\n stats.bwEstimate = this._bwEstimator.getEstimate();\n // if fragment has been loaded to perform a bitrate test, (hls.startLevel = -1), store bitrate test delay duration\n if (frag.bitrateTest) {\n this.bitrateTestDelay = fragLoadingProcessingMs / 1000;\n } else {\n this.bitrateTestDelay = 0;\n }\n }\n }\n\n onError (data) {\n // stop timer in case of frag loading error\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n this.clearTimer();\n break;\n default:\n break;\n }\n }\n\n clearTimer () {\n clearInterval(this.timer);\n this.timer = null;\n }\n\n // return next auto level\n get nextAutoLevel () {\n const forcedAutoLevel = this._nextAutoLevel;\n const bwEstimator = this._bwEstimator;\n // in case next auto level has been forced, and bw not available or not reliable, return forced value\n if (forcedAutoLevel !== -1 && (!bwEstimator || !bwEstimator.canEstimate())) {\n return forcedAutoLevel;\n }\n\n // compute next level using ABR logic\n let nextABRAutoLevel = this._nextABRAutoLevel;\n // if forced auto level has been defined, use it to cap ABR computed quality level\n if (forcedAutoLevel !== -1) {\n nextABRAutoLevel = Math.min(forcedAutoLevel, nextABRAutoLevel);\n }\n\n return nextABRAutoLevel;\n }\n get _nextABRAutoLevel () {\n let hls = this.hls;\n const { maxAutoLevel, levels, config, minAutoLevel } = hls;\n const video = hls.media;\n const currentLevel = this.lastLoadedFragLevel;\n const currentFragDuration = this.fragCurrent ? this.fragCurrent.duration : 0;\n const pos = (video ? video.currentTime : 0);\n\n // playbackRate is the absolute value of the playback rate; if video.playbackRate is 0, we use 1 to load as\n // if we're playing back at the normal rate.\n const playbackRate = ((video && (video.playbackRate !== 0)) ? Math.abs(video.playbackRate) : 1.0);\n const avgbw = this._bwEstimator ? this._bwEstimator.getEstimate() : config.abrEwmaDefaultEstimate;\n // bufferStarvationDelay is the wall-clock time left until the playback buffer is exhausted.\n const bufferStarvationDelay = (BufferHelper.bufferInfo(video, pos, config.maxBufferHole).end - pos) / playbackRate;\n\n // First, look to see if we can find a level matching with our avg bandwidth AND that could also guarantee no rebuffering at all\n let bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay, config.abrBandWidthFactor, config.abrBandWidthUpFactor, levels);\n if (bestLevel >= 0) {\n return bestLevel;\n } else {\n logger.trace('rebuffering expected to happen, lets try to find a quality level minimizing the rebuffering');\n // not possible to get rid of rebuffering ... let's try to find level that will guarantee less than maxStarvationDelay of rebuffering\n // if no matching level found, logic will return 0\n let maxStarvationDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxStarvationDelay) : config.maxStarvationDelay;\n let bwFactor = config.abrBandWidthFactor;\n let bwUpFactor = config.abrBandWidthUpFactor;\n\n if (bufferStarvationDelay === 0) {\n // in case buffer is empty, let's check if previous fragment was loaded to perform a bitrate test\n let bitrateTestDelay = this.bitrateTestDelay;\n if (bitrateTestDelay) {\n // if it is the case, then we need to adjust our max starvation delay using maxLoadingDelay config value\n // max video loading delay used in automatic start level selection :\n // in that mode ABR controller will ensure that video loading time (ie the time to fetch the first fragment at lowest quality level +\n // the time to fetch the fragment at the appropriate quality level is less than ```maxLoadingDelay``` )\n // cap maxLoadingDelay and ensure it is not bigger 'than bitrate test' frag duration\n const maxLoadingDelay = currentFragDuration ? Math.min(currentFragDuration, config.maxLoadingDelay) : config.maxLoadingDelay;\n maxStarvationDelay = maxLoadingDelay - bitrateTestDelay;\n logger.trace(`bitrate test took ${Math.round(1000 * bitrateTestDelay)}ms, set first fragment max fetchDuration to ${Math.round(1000 * maxStarvationDelay)} ms`);\n // don't use conservative factor on bitrate test\n bwFactor = bwUpFactor = 1;\n }\n }\n bestLevel = this._findBestLevel(currentLevel, currentFragDuration, avgbw, minAutoLevel, maxAutoLevel, bufferStarvationDelay + maxStarvationDelay, bwFactor, bwUpFactor, levels);\n return Math.max(bestLevel, 0);\n }\n }\n\n _findBestLevel (currentLevel, currentFragDuration, currentBw, minAutoLevel, maxAutoLevel, maxFetchDuration, bwFactor, bwUpFactor, levels) {\n for (let i = maxAutoLevel; i >= minAutoLevel; i--) {\n let levelInfo = levels[i];\n\n if (!levelInfo) {\n continue;\n }\n\n const levelDetails = levelInfo.details;\n const avgDuration = levelDetails ? levelDetails.totalduration / levelDetails.fragments.length : currentFragDuration;\n const live = levelDetails ? levelDetails.live : false;\n\n let adjustedbw;\n // follow algorithm captured from stagefright :\n // https://android.googlesource.com/platform/frameworks/av/+/master/media/libstagefright/httplive/LiveSession.cpp\n // Pick the highest bandwidth stream below or equal to estimated bandwidth.\n // consider only 80% of the available bandwidth, but if we are switching up,\n // be even more conservative (70%) to avoid overestimating and immediately\n // switching back.\n if (i <= currentLevel) {\n adjustedbw = bwFactor * currentBw;\n } else {\n adjustedbw = bwUpFactor * currentBw;\n }\n\n const bitrate = levels[i].realBitrate ? Math.max(levels[i].realBitrate, levels[i].bitrate) : levels[i].bitrate;\n const fetchDuration = bitrate * avgDuration / adjustedbw;\n\n logger.trace(`level/adjustedbw/bitrate/avgDuration/maxFetchDuration/fetchDuration: ${i}/${Math.round(adjustedbw)}/${bitrate}/${avgDuration}/${maxFetchDuration}/${fetchDuration}`);\n // if adjusted bw is greater than level bitrate AND\n if (adjustedbw > bitrate &&\n // fragment fetchDuration unknown OR live stream OR fragment fetchDuration less than max allowed fetch duration, then this level matches\n // we don't account for max Fetch Duration for live streams, this is to avoid switching down when near the edge of live sliding window ...\n // special case to support startLevel = -1 (bitrateTest) on live streams : in that case we should not exit loop so that _findBestLevel will return -1\n (!fetchDuration || (live && !this.bitrateTestDelay) || fetchDuration < maxFetchDuration)) {\n // as we are looping from highest to lowest, this will return the best achievable quality level\n return i;\n }\n }\n // not enough time budget even with quality level 0 ... rebuffering might happen\n return -1;\n }\n\n set nextAutoLevel (nextLevel) {\n this._nextAutoLevel = nextLevel;\n }\n}\n\nexport default AbrController;\n","/*\n * Buffer Controller\n */\n\nimport Events from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { getMediaSource } from '../utils/mediasource-helper';\n\nimport { TrackSet } from '../types/track';\nimport { Segment } from '../types/segment';\nimport { BufferControllerConfig } from '../config';\n\n// Add extension properties to SourceBuffers from the DOM API.\ntype ExtendedSourceBuffer = SourceBuffer & {\n ended?: boolean\n};\n\ntype SourceBufferName = 'video' | 'audio';\ntype SourceBuffers = Partial<Record<SourceBufferName, ExtendedSourceBuffer>>;\n\ninterface SourceBufferFlushRange {\n start: number;\n end: number;\n type: SourceBufferName\n}\n\nconst MediaSource = getMediaSource();\n\nclass BufferController extends EventHandler {\n // the value that we have set mediasource.duration to\n // (the actual duration may be tweaked slighly by the browser)\n private _msDuration: number | null = null;\n // the value that we want to set mediaSource.duration to\n private _levelDuration: number | null = null;\n // the target duration of the current media playlist\n private _levelTargetDuration: number = 10;\n // current stream state: true - for live broadcast, false - for VoD content\n private _live: boolean | null = null;\n // cache the self generated object url to detect hijack of video tag\n private _objectUrl: string | null = null;\n\n // signals that the sourceBuffers need to be flushed\n private _needsFlush: boolean = false;\n\n // signals that mediaSource should have endOfStream called\n private _needsEos: boolean = false;\n\n private config: BufferControllerConfig;\n\n // this is optional because this property is removed from the class sometimes\n public audioTimestampOffset?: number;\n\n // The number of BUFFER_CODEC events received before any sourceBuffers are created\n public bufferCodecEventsExpected: number = 0;\n\n // The total number of BUFFER_CODEC events received\n private _bufferCodecEventsTotal: number = 0;\n\n // A reference to the attached media element\n public media: HTMLMediaElement | null = null;\n\n // A reference to the active media source\n public mediaSource: MediaSource | null = null;\n\n // List of pending segments to be appended to source buffer\n public segments: Segment[] = [];\n\n public parent?: string;\n\n // A guard to see if we are currently appending to the source buffer\n public appending: boolean = false;\n\n // counters\n public appended: number = 0;\n public appendError: number = 0;\n public flushBufferCounter: number = 0;\n\n public tracks: TrackSet = {};\n public pendingTracks: TrackSet = {};\n public sourceBuffer: SourceBuffers = {};\n public flushRange: SourceBufferFlushRange[] = [];\n\n constructor (hls: any) {\n super(hls,\n Events.MEDIA_ATTACHING,\n Events.MEDIA_DETACHING,\n Events.MANIFEST_PARSED,\n Events.BUFFER_RESET,\n Events.BUFFER_APPENDING,\n Events.BUFFER_CODECS,\n Events.BUFFER_EOS,\n Events.BUFFER_FLUSHING,\n Events.LEVEL_PTS_UPDATED,\n Events.LEVEL_UPDATED);\n\n this.config = hls.config;\n }\n\n destroy () {\n EventHandler.prototype.destroy.call(this);\n }\n\n onLevelPtsUpdated (data: { type: SourceBufferName, start: number }) {\n let type = data.type;\n let audioTrack = this.tracks.audio;\n\n // Adjusting `SourceBuffer.timestampOffset` (desired point in the timeline where the next frames should be appended)\n // in Chrome browser when we detect MPEG audio container and time delta between level PTS and `SourceBuffer.timestampOffset`\n // is greater than 100ms (this is enough to handle seek for VOD or level change for LIVE videos). At the time of change we issue\n // `SourceBuffer.abort()` and adjusting `SourceBuffer.timestampOffset` if `SourceBuffer.updating` is false or awaiting `updateend`\n // event if SB is in updating state.\n // More info here: https://github.com/video-dev/hls.js/issues/332#issuecomment-257986486\n\n if (type === 'audio' && audioTrack && audioTrack.container === 'audio/mpeg') { // Chrome audio mp3 track\n let audioBuffer = this.sourceBuffer.audio;\n if (!audioBuffer) {\n throw Error('Level PTS Updated and source buffer for audio uninitalized');\n }\n\n let delta = Math.abs(audioBuffer.timestampOffset - data.start);\n\n // adjust timestamp offset if time delta is greater than 100ms\n if (delta > 0.1) {\n let updating = audioBuffer.updating;\n\n try {\n audioBuffer.abort();\n } catch (err) {\n logger.warn('can not abort audio buffer: ' + err);\n }\n\n if (!updating) {\n logger.warn('change mpeg audio timestamp offset from ' + audioBuffer.timestampOffset + ' to ' + data.start);\n audioBuffer.timestampOffset = data.start;\n } else {\n this.audioTimestampOffset = data.start;\n }\n }\n }\n }\n\n onManifestParsed (data: { altAudio: boolean }) {\n // in case of alt audio 2 BUFFER_CODECS events will be triggered, one per stream controller\n // sourcebuffers will be created all at once when the expected nb of tracks will be reached\n // in case alt audio is not used, only one BUFFER_CODEC event will be fired from main stream controller\n // it will contain the expected nb of source buffers, no need to compute it\n this.bufferCodecEventsExpected = this._bufferCodecEventsTotal = data.altAudio ? 2 : 1;\n logger.log(`${this.bufferCodecEventsExpected} bufferCodec event(s) expected`);\n }\n\n onMediaAttaching (data: { media: HTMLMediaElement }) {\n let media = this.media = data.media;\n if (media && MediaSource) {\n // setup the media source\n let ms = this.mediaSource = new MediaSource();\n // Media Source listeners\n ms.addEventListener('sourceopen', this._onMediaSourceOpen);\n ms.addEventListener('sourceended', this._onMediaSourceEnded);\n ms.addEventListener('sourceclose', this._onMediaSourceClose);\n // link video and media Source\n media.src = window.URL.createObjectURL(ms);\n // cache the locally generated object url\n this._objectUrl = media.src;\n }\n }\n\n onMediaDetaching () {\n logger.log('media source detaching');\n let ms = this.mediaSource;\n if (ms) {\n if (ms.readyState === 'open') {\n try {\n // endOfStream could trigger exception if any sourcebuffer is in updating state\n // we don't really care about checking sourcebuffer state here,\n // as we are anyway detaching the MediaSource\n // let's just avoid this exception to propagate\n ms.endOfStream();\n } catch (err) {\n logger.warn(`onMediaDetaching:${err.message} while calling endOfStream`);\n }\n }\n ms.removeEventListener('sourceopen', this._onMediaSourceOpen);\n ms.removeEventListener('sourceended', this._onMediaSourceEnded);\n ms.removeEventListener('sourceclose', this._onMediaSourceClose);\n\n // Detach properly the MediaSource from the HTMLMediaElement as\n // suggested in https://github.com/w3c/media-source/issues/53.\n if (this.media) {\n if (this._objectUrl) {\n window.URL.revokeObjectURL(this._objectUrl);\n }\n\n // clean up video tag src only if it's our own url. some external libraries might\n // hijack the video tag and change its 'src' without destroying the Hls instance first\n if (this.media.src === this._objectUrl) {\n this.media.removeAttribute('src');\n this.media.load();\n } else {\n logger.warn('media.src was changed by a third party - skip cleanup');\n }\n }\n\n this.mediaSource = null;\n this.media = null;\n this._objectUrl = null;\n this.bufferCodecEventsExpected = this._bufferCodecEventsTotal;\n this.pendingTracks = {};\n this.tracks = {};\n this.sourceBuffer = {};\n this.flushRange = [];\n this.segments = [];\n this.appended = 0;\n }\n\n this.hls.trigger(Events.MEDIA_DETACHED);\n }\n\n checkPendingTracks () {\n let { bufferCodecEventsExpected, pendingTracks } = this;\n\n // Check if we've received all of the expected bufferCodec events. When none remain, create all the sourceBuffers at once.\n // This is important because the MSE spec allows implementations to throw QuotaExceededErrors if creating new sourceBuffers after\n // data has been appended to existing ones.\n // 2 tracks is the max (one for audio, one for video). If we've reach this max go ahead and create the buffers.\n const pendingTracksCount = Object.keys(pendingTracks).length;\n if ((pendingTracksCount && !bufferCodecEventsExpected) || pendingTracksCount === 2) {\n // ok, let's create them now !\n this.createSourceBuffers(pendingTracks);\n this.pendingTracks = {};\n // append any pending segments now !\n this.doAppending();\n }\n }\n\n private _onMediaSourceOpen = () => {\n logger.log('media source opened');\n this.hls.trigger(Events.MEDIA_ATTACHED, { media: this.media });\n let mediaSource = this.mediaSource;\n if (mediaSource) {\n // once received, don't listen anymore to sourceopen event\n mediaSource.removeEventListener('sourceopen', this._onMediaSourceOpen);\n }\n this.checkPendingTracks();\n }\n\n private _onMediaSourceClose = () => {\n logger.log('media source closed');\n }\n\n private _onMediaSourceEnded = () => {\n logger.log('media source ended');\n }\n\n private _onSBUpdateEnd = () => {\n // update timestampOffset\n if (this.audioTimestampOffset && this.sourceBuffer.audio) {\n let audioBuffer = this.sourceBuffer.audio;\n\n logger.warn(`change mpeg audio timestamp offset from ${audioBuffer.timestampOffset} to ${this.audioTimestampOffset}`);\n audioBuffer.timestampOffset = this.audioTimestampOffset;\n delete this.audioTimestampOffset;\n }\n\n if (this._needsFlush) {\n this.doFlush();\n }\n\n if (this._needsEos) {\n this.checkEos();\n }\n\n this.appending = false;\n let parent = this.parent;\n // count nb of pending segments waiting for appending on this sourcebuffer\n let pending = this.segments.reduce((counter, segment) => (segment.parent === parent) ? counter + 1 : counter, 0);\n\n // this.sourceBuffer is better to use than media.buffered as it is closer to the PTS data from the fragments\n const timeRanges: Partial<Record<SourceBufferName, TimeRanges>> = {};\n const sbSet = this.sourceBuffer;\n for (let streamType in sbSet) {\n const sb = sbSet[streamType as SourceBufferName];\n if (!sb) {\n throw Error(`handling source buffer update end error: source buffer for ${streamType} uninitilized and unable to update buffered TimeRanges.`);\n }\n timeRanges[streamType as SourceBufferName] = sb.buffered;\n }\n\n this.hls.trigger(Events.BUFFER_APPENDED, { parent, pending, timeRanges });\n // don't append in flushing mode\n if (!this._needsFlush) {\n this.doAppending();\n }\n\n this.updateMediaElementDuration();\n\n // appending goes first\n if (pending === 0) {\n this.flushLiveBackBuffer();\n }\n }\n\n private _onSBUpdateError = (event: Event) => {\n logger.error('sourceBuffer error:', event);\n // according to http://www.w3.org/TR/media-source/#sourcebuffer-append-error\n // this error might not always be fatal (it is fatal if decode error is set, in that case\n // it will be followed by a mediaElement error ...)\n this.hls.trigger(Events.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_APPENDING_ERROR, fatal: false });\n // we don't need to do more than that, as accordin to the spec, updateend will be fired just after\n }\n\n onBufferReset () {\n const sourceBuffer = this.sourceBuffer;\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type];\n try {\n if (sb) {\n if (this.mediaSource) {\n this.mediaSource.removeSourceBuffer(sb);\n }\n sb.removeEventListener('updateend', this._onSBUpdateEnd);\n sb.removeEventListener('error', this._onSBUpdateError);\n }\n } catch (err) {\n }\n }\n this.sourceBuffer = {};\n this.flushRange = [];\n this.segments = [];\n this.appended = 0;\n }\n\n onBufferCodecs (tracks: TrackSet) {\n // if source buffer(s) not created yet, appended buffer tracks in this.pendingTracks\n // if sourcebuffers already created, do nothing ...\n if (Object.keys(this.sourceBuffer).length) {\n return;\n }\n\n Object.keys(tracks).forEach(trackName => {\n this.pendingTracks[trackName] = tracks[trackName];\n });\n\n this.bufferCodecEventsExpected = Math.max(this.bufferCodecEventsExpected - 1, 0);\n if (this.mediaSource && this.mediaSource.readyState === 'open') {\n this.checkPendingTracks();\n }\n }\n\n createSourceBuffers (tracks: TrackSet) {\n const { sourceBuffer, mediaSource } = this;\n if (!mediaSource) {\n throw Error('createSourceBuffers called when mediaSource was null');\n }\n\n for (let trackName in tracks) {\n if (!sourceBuffer[trackName]) {\n let track = tracks[trackName as keyof TrackSet];\n if (!track) {\n throw Error(`source buffer exists for track ${trackName}, however track does not`);\n }\n // use levelCodec as first priority\n let codec = track.levelCodec || track.codec;\n let mimeType = `${track.container};codecs=${codec}`;\n logger.log(`creating sourceBuffer(${mimeType})`);\n try {\n let sb = sourceBuffer[trackName] = mediaSource.addSourceBuffer(mimeType);\n sb.addEventListener('updateend', this._onSBUpdateEnd);\n sb.addEventListener('error', this._onSBUpdateError);\n this.tracks[trackName] = {\n buffer: sb,\n codec: codec,\n id: track.id,\n container: track.container,\n levelCodec: track.levelCodec\n };\n } catch (err) {\n logger.error(`error while trying to add sourceBuffer:${err.message}`);\n this.hls.trigger(Events.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: ErrorDetails.BUFFER_ADD_CODEC_ERROR, fatal: false, err: err, mimeType: mimeType });\n }\n }\n }\n this.hls.trigger(Events.BUFFER_CREATED, { tracks: this.tracks });\n }\n\n onBufferAppending (data: Segment) {\n if (!this._needsFlush) {\n if (!this.segments) {\n this.segments = [ data ];\n } else {\n this.segments.push(data);\n }\n\n this.doAppending();\n }\n }\n\n // on BUFFER_EOS mark matching sourcebuffer(s) as ended and trigger checkEos()\n // an undefined data.type will mark all buffers as EOS.\n onBufferEos (data: { type?: SourceBufferName }) {\n for (const type in this.sourceBuffer) {\n if (!data.type || data.type === type) {\n const sb = this.sourceBuffer[type as SourceBufferName];\n if (sb && !sb.ended) {\n sb.ended = true;\n logger.log(`${type} sourceBuffer now EOS`);\n }\n }\n }\n\n this.checkEos();\n }\n\n // if all source buffers are marked as ended, signal endOfStream() to MediaSource.\n checkEos () {\n const { sourceBuffer, mediaSource } = this;\n if (!mediaSource || mediaSource.readyState !== 'open') {\n this._needsEos = false;\n return;\n }\n\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type as SourceBufferName];\n if (!sb) continue;\n\n if (!sb.ended) {\n return;\n }\n\n if (sb.updating) {\n this._needsEos = true;\n return;\n }\n }\n\n logger.log('all media data are available, signal endOfStream() to MediaSource and stop loading fragment');\n // Notify the media element that it now has all of the media data\n try {\n mediaSource.endOfStream();\n } catch (e) {\n logger.warn('exception while calling mediaSource.endOfStream()');\n }\n this._needsEos = false;\n }\n\n onBufferFlushing (data: { startOffset: number, endOffset: number, type?: SourceBufferName }) {\n if (data.type) {\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: data.type });\n } else {\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: 'video' });\n this.flushRange.push({ start: data.startOffset, end: data.endOffset, type: 'audio' });\n }\n\n // attempt flush immediately\n this.flushBufferCounter = 0;\n this.doFlush();\n }\n\n flushLiveBackBuffer () {\n // clear back buffer for live only\n if (!this._live) {\n return;\n }\n\n const liveBackBufferLength = this.config.liveBackBufferLength;\n if (!isFinite(liveBackBufferLength) || liveBackBufferLength < 0) {\n return;\n }\n\n if (!this.media) {\n logger.error('flushLiveBackBuffer called without attaching media');\n return;\n }\n\n const currentTime = this.media.currentTime;\n const sourceBuffer = this.sourceBuffer;\n const bufferTypes = Object.keys(sourceBuffer);\n const targetBackBufferPosition = currentTime - Math.max(liveBackBufferLength, this._levelTargetDuration);\n\n for (let index = bufferTypes.length - 1; index >= 0; index--) {\n const bufferType = bufferTypes[index];\n const sb = sourceBuffer[bufferType as SourceBufferName];\n if (sb) {\n const buffered = sb.buffered;\n // when target buffer start exceeds actual buffer start\n if (buffered.length > 0 && targetBackBufferPosition > buffered.start(0)) {\n // remove buffer up until current time minus minimum back buffer length (removing buffer too close to current\n // time will lead to playback freezing)\n // credits for level target duration - https://github.com/videojs/http-streaming/blob/3132933b6aa99ddefab29c10447624efd6fd6e52/src/segment-loader.js#L91\n if (this.removeBufferRange(bufferType, sb, 0, targetBackBufferPosition)) {\n this.hls.trigger(Events.LIVE_BACK_BUFFER_REACHED, { bufferEnd: targetBackBufferPosition });\n }\n\n }\n }\n }\n }\n\n onLevelUpdated ({ details }: { details: { totalduration: number, targetduration?: number, averagetargetduration?: number, live: boolean, fragments: any[] } }) {\n if (details.fragments.length > 0) {\n this._levelDuration = details.totalduration + details.fragments[0].start;\n this._levelTargetDuration = details.averagetargetduration || details.targetduration || 10;\n this._live = details.live;\n this.updateMediaElementDuration();\n }\n }\n\n /**\n * Update Media Source duration to current level duration or override to Infinity if configuration parameter\n * 'liveDurationInfinity` is set to `true`\n * More details: https://github.com/video-dev/hls.js/issues/355\n */\n updateMediaElementDuration () {\n let { config } = this;\n let duration: number;\n\n if (this._levelDuration === null ||\n !this.media ||\n !this.mediaSource ||\n !this.sourceBuffer ||\n this.media.readyState === 0 ||\n this.mediaSource.readyState !== 'open') {\n return;\n }\n\n for (let type in this.sourceBuffer) {\n const sb = this.sourceBuffer[type];\n if (sb && sb.updating === true) {\n // can't set duration whilst a buffer is updating\n return;\n }\n }\n\n duration = this.media.duration;\n // initialise to the value that the media source is reporting\n if (this._msDuration === null) {\n this._msDuration = this.mediaSource.duration;\n }\n\n if (this._live === true && config.liveDurationInfinity === true) {\n // Override duration to Infinity\n logger.log('Media Source duration is set to Infinity');\n this._msDuration = this.mediaSource.duration = Infinity;\n } else if ((this._levelDuration > this._msDuration && this._levelDuration > duration) || !Number.isFinite(duration)) {\n // levelDuration was the last value we set.\n // not using mediaSource.duration as the browser may tweak this value\n // only update Media Source duration if its value increase, this is to avoid\n // flushing already buffered portion when switching between quality level\n logger.log(`Updating Media Source duration to ${this._levelDuration.toFixed(3)}`);\n this._msDuration = this.mediaSource.duration = this._levelDuration;\n }\n }\n\n doFlush () {\n // loop through all buffer ranges to flush\n while (this.flushRange.length) {\n let range = this.flushRange[0];\n // flushBuffer will abort any buffer append in progress and flush Audio/Video Buffer\n if (this.flushBuffer(range.start, range.end, range.type)) {\n // range flushed, remove from flush array\n this.flushRange.shift();\n this.flushBufferCounter = 0;\n } else {\n this._needsFlush = true;\n // avoid looping, wait for SB update end to retrigger a flush\n return;\n }\n }\n if (this.flushRange.length === 0) {\n // everything flushed\n this._needsFlush = false;\n\n // let's recompute this.appended, which is used to avoid flush looping\n let appended = 0;\n let sourceBuffer = this.sourceBuffer;\n try {\n for (let type in sourceBuffer) {\n const sb = sourceBuffer[type];\n if (sb) {\n appended += sb.buffered.length;\n }\n }\n } catch (error) {\n // error could be thrown while accessing buffered, in case sourcebuffer has already been removed from MediaSource\n // this is harmess at this stage, catch this to avoid reporting an internal exception\n logger.error('error while accessing sourceBuffer.buffered');\n }\n this.appended = appended;\n this.hls.trigger(Events.BUFFER_FLUSHED);\n }\n }\n\n doAppending () {\n let { config, hls, segments, sourceBuffer } = this;\n if (!Object.keys(sourceBuffer).length) {\n // early exit if no source buffers have been initialized yet\n return;\n }\n\n if (!this.media || this.media.error) {\n this.segments = [];\n logger.error('trying to append although a media error occured, flush segment and abort');\n return;\n }\n\n if (this.appending) {\n // logger.log(`sb appending in progress`);\n return;\n }\n\n const segment = segments.shift();\n if (!segment) { // handle undefined shift\n return;\n }\n\n try {\n const sb = sourceBuffer[segment.type];\n if (!sb) {\n // in case we don't have any source buffer matching with this segment type,\n // it means that Mediasource fails to create sourcebuffer\n // discard this segment, and trigger update end\n this._onSBUpdateEnd();\n return;\n }\n\n if (sb.updating) {\n // if we are still updating the source buffer from the last segment, place this back at the front of the queue\n segments.unshift(segment);\n return;\n }\n\n // reset sourceBuffer ended flag before appending segment\n sb.ended = false;\n // logger.log(`appending ${segment.content} ${type} SB, size:${segment.data.length}, ${segment.parent}`);\n this.parent = segment.parent;\n sb.appendBuffer(segment.data);\n this.appendError = 0;\n this.appended++;\n this.appending = true;\n } catch (err) {\n // in case any error occured while appending, put back segment in segments table\n logger.error(`error while trying to append buffer:${err.message}`);\n segments.unshift(segment);\n let event = { type: ErrorTypes.MEDIA_ERROR, parent: segment.parent, details: '', fatal: false };\n if (err.code === 22) {\n // QuotaExceededError: http://www.w3.org/TR/html5/infrastructure.html#quotaexceedederror\n // let's stop appending any segments, and report BUFFER_FULL_ERROR error\n this.segments = [];\n event.details = ErrorDetails.BUFFER_FULL_ERROR;\n } else {\n this.appendError++;\n event.details = ErrorDetails.BUFFER_APPEND_ERROR;\n /* with UHD content, we could get loop of quota exceeded error until\n browser is able to evict some data from sourcebuffer. retrying help recovering this\n */\n if (this.appendError > config.appendErrorMaxRetry) {\n logger.log(`fail ${config.appendErrorMaxRetry} times to append segment in sourceBuffer`);\n this.segments = [];\n event.fatal = true;\n }\n }\n hls.trigger(Events.ERROR, event);\n }\n }\n\n /*\n flush specified buffered range,\n return true once range has been flushed.\n as sourceBuffer.remove() is asynchronous, flushBuffer will be retriggered on sourceBuffer update end\n */\n flushBuffer (startOffset: number, endOffset: number, sbType: SourceBufferName): boolean {\n const sourceBuffer = this.sourceBuffer;\n // exit if no sourceBuffers are initialized\n if (!Object.keys(sourceBuffer).length) {\n return true;\n }\n\n let currentTime: string = 'null';\n if (this.media) {\n currentTime = this.media.currentTime.toFixed(3);\n }\n logger.log(`flushBuffer,pos/start/end: ${currentTime}/${startOffset}/${endOffset}`);\n\n // safeguard to avoid infinite looping : don't try to flush more than the nb of appended segments\n if (this.flushBufferCounter >= this.appended) {\n logger.warn('abort flushing too many retries');\n return true;\n }\n\n const sb = sourceBuffer[sbType];\n // we are going to flush buffer, mark source buffer as 'not ended'\n if (sb) {\n sb.ended = false;\n if (!sb.updating) {\n if (this.removeBufferRange(sbType, sb, startOffset, endOffset)) {\n this.flushBufferCounter++;\n return false;\n }\n } else {\n logger.warn('cannot flush, sb updating in progress');\n return false;\n }\n }\n\n logger.log('buffer flushed');\n // everything flushed !\n return true;\n }\n\n /**\n * Removes first buffered range from provided source buffer that lies within given start and end offsets.\n *\n * @param {string} type Type of the source buffer, logging purposes only.\n * @param {SourceBuffer} sb Target SourceBuffer instance.\n * @param {number} startOffset\n * @param {number} endOffset\n *\n * @returns {boolean} True when source buffer remove requested.\n */\n removeBufferRange (type: string, sb: ExtendedSourceBuffer, startOffset: number, endOffset: number): boolean {\n try {\n for (let i = 0; i < sb.buffered.length; i++) {\n let bufStart = sb.buffered.start(i);\n let bufEnd = sb.buffered.end(i);\n let removeStart = Math.max(bufStart, startOffset);\n let removeEnd = Math.min(bufEnd, endOffset);\n\n /* sometimes sourcebuffer.remove() does not flush\n the exact expected time range.\n to avoid rounding issues/infinite loop,\n only flush buffer range of length greater than 500ms.\n */\n if (Math.min(removeEnd, bufEnd) - removeStart > 0.5) {\n let currentTime: string = 'null';\n if (this.media) {\n currentTime = this.media.currentTime.toString();\n }\n\n logger.log(`sb remove ${type} [${removeStart},${removeEnd}], of [${bufStart},${bufEnd}], pos:${currentTime}`);\n sb.remove(removeStart, removeEnd);\n return true;\n }\n }\n } catch (error) {\n logger.warn('removeBufferRange failed', error);\n }\n\n return false;\n }\n}\n\nexport default BufferController;\n","/*\n * cap stream level to media size dimension controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\n\nclass CapLevelController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.FPS_DROP_LEVEL_CAPPING,\n Event.MEDIA_ATTACHING,\n Event.MANIFEST_PARSED,\n Event.BUFFER_CODECS,\n Event.MEDIA_DETACHING);\n\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n this.firstLevel = null;\n this.levels = [];\n this.media = null;\n this.restrictedLevels = [];\n this.timer = null;\n }\n\n destroy () {\n if (this.hls.config.capLevelToPlayerSize) {\n this.media = null;\n this.stopCapping();\n }\n }\n\n onFpsDropLevelCapping (data) {\n // Don't add a restricted level more than once\n if (CapLevelController.isLevelAllowed(data.droppedLevel, this.restrictedLevels)) {\n this.restrictedLevels.push(data.droppedLevel);\n }\n }\n\n onMediaAttaching (data) {\n this.media = data.media instanceof window.HTMLVideoElement ? data.media : null;\n }\n\n onManifestParsed (data) {\n const hls = this.hls;\n this.restrictedLevels = [];\n this.levels = data.levels;\n this.firstLevel = data.firstLevel;\n if (hls.config.capLevelToPlayerSize && data.video) {\n // Start capping immediately if the manifest has signaled video codecs\n this.startCapping();\n }\n }\n\n // Only activate capping when playing a video stream; otherwise, multi-bitrate audio-only streams will be restricted\n // to the first level\n onBufferCodecs (data) {\n const hls = this.hls;\n if (hls.config.capLevelToPlayerSize && data.video) {\n // If the manifest did not signal a video codec capping has been deferred until we're certain video is present\n this.startCapping();\n }\n }\n\n onLevelsUpdated (data) {\n this.levels = data.levels;\n }\n\n onMediaDetaching () {\n this.stopCapping();\n }\n\n detectPlayerSize () {\n if (this.media) {\n let levelsLength = this.levels ? this.levels.length : 0;\n if (levelsLength) {\n const hls = this.hls;\n hls.autoLevelCapping = this.getMaxLevel(levelsLength - 1);\n if (hls.autoLevelCapping > this.autoLevelCapping) {\n // if auto level capping has a higher value for the previous one, flush the buffer using nextLevelSwitch\n // usually happen when the user go to the fullscreen mode.\n hls.streamController.nextLevelSwitch();\n }\n this.autoLevelCapping = hls.autoLevelCapping;\n }\n }\n }\n\n /*\n * returns level should be the one with the dimensions equal or greater than the media (player) dimensions (so the video will be downscaled)\n */\n getMaxLevel (capLevelIndex) {\n if (!this.levels) {\n return -1;\n }\n\n const validLevels = this.levels.filter((level, index) =>\n CapLevelController.isLevelAllowed(index, this.restrictedLevels) && index <= capLevelIndex\n );\n\n return CapLevelController.getMaxLevelByMediaSize(validLevels, this.mediaWidth, this.mediaHeight);\n }\n\n startCapping () {\n if (this.timer) {\n // Don't reset capping if started twice; this can happen if the manifest signals a video codec\n return;\n }\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n this.hls.firstLevel = this.getMaxLevel(this.firstLevel);\n clearInterval(this.timer);\n this.timer = setInterval(this.detectPlayerSize.bind(this), 1000);\n this.detectPlayerSize();\n }\n\n stopCapping () {\n this.restrictedLevels = [];\n this.firstLevel = null;\n this.autoLevelCapping = Number.POSITIVE_INFINITY;\n if (this.timer) {\n this.timer = clearInterval(this.timer);\n this.timer = null;\n }\n }\n\n get mediaWidth () {\n let width;\n const media = this.media;\n if (media) {\n width = media.width || media.clientWidth || media.offsetWidth;\n width *= CapLevelController.contentScaleFactor;\n }\n return width;\n }\n\n get mediaHeight () {\n let height;\n const media = this.media;\n if (media) {\n height = media.height || media.clientHeight || media.offsetHeight;\n height *= CapLevelController.contentScaleFactor;\n }\n return height;\n }\n\n static get contentScaleFactor () {\n let pixelRatio = 1;\n try {\n pixelRatio = window.devicePixelRatio;\n } catch (e) {}\n return pixelRatio;\n }\n\n static isLevelAllowed (level, restrictedLevels = []) {\n return restrictedLevels.indexOf(level) === -1;\n }\n\n static getMaxLevelByMediaSize (levels, width, height) {\n if (!levels || (levels && !levels.length)) {\n return -1;\n }\n\n // Levels can have the same dimensions but differing bandwidths - since levels are ordered, we can look to the next\n // to determine whether we've chosen the greatest bandwidth for the media's dimensions\n const atGreatestBandiwdth = (curLevel, nextLevel) => {\n if (!nextLevel) {\n return true;\n }\n\n return curLevel.width !== nextLevel.width || curLevel.height !== nextLevel.height;\n };\n\n // If we run through the loop without breaking, the media's dimensions are greater than every level, so default to\n // the max level\n let maxLevelIndex = levels.length - 1;\n\n for (let i = 0; i < levels.length; i += 1) {\n const level = levels[i];\n if ((level.width >= width || level.height >= height) && atGreatestBandiwdth(level, levels[i + 1])) {\n maxLevelIndex = i;\n break;\n }\n }\n\n return maxLevelIndex;\n }\n}\n\nexport default CapLevelController;\n","/*\n * FPS Controller\n*/\n\nimport Event from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\n\nconst { performance } = window;\n\nclass FPSController extends EventHandler {\n constructor (hls) {\n super(hls, Event.MEDIA_ATTACHING);\n }\n\n destroy () {\n if (this.timer) {\n clearInterval(this.timer);\n }\n\n this.isVideoPlaybackQualityAvailable = false;\n }\n\n onMediaAttaching (data) {\n const config = this.hls.config;\n if (config.capLevelOnFPSDrop) {\n const video = this.video = data.media instanceof window.HTMLVideoElement ? data.media : null;\n if (typeof video.getVideoPlaybackQuality === 'function') {\n this.isVideoPlaybackQualityAvailable = true;\n }\n\n clearInterval(this.timer);\n this.timer = setInterval(this.checkFPSInterval.bind(this), config.fpsDroppedMonitoringPeriod);\n }\n }\n\n checkFPS (video, decodedFrames, droppedFrames) {\n let currentTime = performance.now();\n if (decodedFrames) {\n if (this.lastTime) {\n let currentPeriod = currentTime - this.lastTime,\n currentDropped = droppedFrames - this.lastDroppedFrames,\n currentDecoded = decodedFrames - this.lastDecodedFrames,\n droppedFPS = 1000 * currentDropped / currentPeriod,\n hls = this.hls;\n hls.trigger(Event.FPS_DROP, { currentDropped: currentDropped, currentDecoded: currentDecoded, totalDroppedFrames: droppedFrames });\n if (droppedFPS > 0) {\n // logger.log('checkFPS : droppedFPS/decodedFPS:' + droppedFPS/(1000 * currentDecoded / currentPeriod));\n if (currentDropped > hls.config.fpsDroppedMonitoringThreshold * currentDecoded) {\n let currentLevel = hls.currentLevel;\n logger.warn('drop FPS ratio greater than max allowed value for currentLevel: ' + currentLevel);\n if (currentLevel > 0 && (hls.autoLevelCapping === -1 || hls.autoLevelCapping >= currentLevel)) {\n currentLevel = currentLevel - 1;\n hls.trigger(Event.FPS_DROP_LEVEL_CAPPING, { level: currentLevel, droppedLevel: hls.currentLevel });\n hls.autoLevelCapping = currentLevel;\n hls.streamController.nextLevelSwitch();\n }\n }\n }\n }\n this.lastTime = currentTime;\n this.lastDroppedFrames = droppedFrames;\n this.lastDecodedFrames = decodedFrames;\n }\n }\n\n checkFPSInterval () {\n const video = this.video;\n if (video) {\n if (this.isVideoPlaybackQualityAvailable) {\n let videoPlaybackQuality = video.getVideoPlaybackQuality();\n this.checkFPS(video, videoPlaybackQuality.totalVideoFrames, videoPlaybackQuality.droppedVideoFrames);\n } else {\n this.checkFPS(video, video.webkitDecodedFrameCount, video.webkitDroppedFrameCount);\n }\n }\n }\n}\n\nexport default FPSController;\n","/**\n * XHR based logger\n*/\n\nimport { logger } from '../utils/logger';\n\nconst { performance, XMLHttpRequest } = window;\n\nclass XhrLoader {\n constructor (config) {\n if (config && config.xhrSetup) {\n this.xhrSetup = config.xhrSetup;\n }\n }\n\n destroy () {\n this.abort();\n this.loader = null;\n }\n\n abort () {\n let loader = this.loader;\n if (loader && loader.readyState !== 4) {\n this.stats.aborted = true;\n loader.abort();\n }\n\n window.clearTimeout(this.requestTimeout);\n this.requestTimeout = null;\n window.clearTimeout(this.retryTimeout);\n this.retryTimeout = null;\n }\n\n load (context, config, callbacks) {\n this.context = context;\n this.config = config;\n this.callbacks = callbacks;\n this.stats = { trequest: performance.now(), retry: 0 };\n this.retryDelay = config.retryDelay;\n this.loadInternal();\n }\n\n loadInternal () {\n let xhr, context = this.context;\n xhr = this.loader = new XMLHttpRequest();\n\n let stats = this.stats;\n stats.tfirst = 0;\n stats.loaded = 0;\n const xhrSetup = this.xhrSetup;\n\n try {\n if (xhrSetup) {\n try {\n xhrSetup(xhr, context.url);\n } catch (e) {\n // fix xhrSetup: (xhr, url) => {xhr.setRequestHeader(\"Content-Language\", \"test\");}\n // not working, as xhr.setRequestHeader expects xhr.readyState === OPEN\n xhr.open('GET', context.url, true);\n xhrSetup(xhr, context.url);\n }\n }\n if (!xhr.readyState) {\n xhr.open('GET', context.url, true);\n }\n } catch (e) {\n // IE11 throws an exception on xhr.open if attempting to access an HTTP resource over HTTPS\n this.callbacks.onError({ code: xhr.status, text: e.message }, context, xhr);\n return;\n }\n\n if (context.rangeEnd) {\n xhr.setRequestHeader('Range', 'bytes=' + context.rangeStart + '-' + (context.rangeEnd - 1));\n }\n\n xhr.onreadystatechange = this.readystatechange.bind(this);\n xhr.onprogress = this.loadprogress.bind(this);\n xhr.responseType = context.responseType;\n\n // setup timeout before we perform request\n this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), this.config.timeout);\n xhr.send();\n }\n\n readystatechange (event) {\n let xhr = event.currentTarget,\n readyState = xhr.readyState,\n stats = this.stats,\n context = this.context,\n config = this.config;\n\n // don't proceed if xhr has been aborted\n if (stats.aborted) {\n return;\n }\n\n // >= HEADERS_RECEIVED\n if (readyState >= 2) {\n // clear xhr timeout and rearm it if readyState less than 4\n window.clearTimeout(this.requestTimeout);\n if (stats.tfirst === 0) {\n stats.tfirst = Math.max(performance.now(), stats.trequest);\n }\n\n if (readyState === 4) {\n let status = xhr.status;\n // http status between 200 to 299 are all successful\n if (status >= 200 && status < 300) {\n stats.tload = Math.max(stats.tfirst, performance.now());\n let data, len;\n if (context.responseType === 'arraybuffer') {\n data = xhr.response;\n len = data.byteLength;\n } else {\n data = xhr.responseText;\n len = data.length;\n }\n stats.loaded = stats.total = len;\n let response = { url: xhr.responseURL, data: data };\n this.callbacks.onSuccess(response, stats, context, xhr);\n } else {\n // if max nb of retries reached or if http status between 400 and 499 (such error cannot be recovered, retrying is useless), return error\n if (stats.retry >= config.maxRetry) {\n logger.error(`${status} while loading ${context.url}`);\n this.callbacks.onError({ code: status, text: xhr.statusText }, context, xhr);\n } else {\n // retry\n logger.warn(`${status} while loading ${context.url}, retrying in ${this.retryDelay}...`);\n // aborts and resets internal state\n this.destroy();\n // schedule retry\n this.retryTimeout = window.setTimeout(this.loadInternal.bind(this), this.retryDelay);\n // set exponential backoff\n this.retryDelay = Math.min(2 * this.retryDelay, config.maxRetryDelay);\n stats.retry++;\n }\n }\n } else {\n // readyState >= 2 AND readyState !==4 (readyState = HEADERS_RECEIVED || LOADING) rearm timeout as xhr not finished yet\n this.requestTimeout = window.setTimeout(this.loadtimeout.bind(this), config.timeout);\n }\n }\n }\n\n loadtimeout () {\n logger.warn(`timeout while loading ${this.context.url}`);\n this.callbacks.onTimeout(this.stats, this.context, null);\n }\n\n loadprogress (event) {\n let xhr = event.currentTarget,\n stats = this.stats;\n\n stats.loaded = event.loaded;\n if (event.lengthComputable) {\n stats.total = event.total;\n }\n\n let onProgress = this.callbacks.onProgress;\n if (onProgress) {\n // third arg is to provide on progress data\n onProgress(stats, this.context, null, xhr);\n }\n }\n}\n\nexport default XhrLoader;\n","import Event from '../events';\nimport TaskLoop from '../task-loop';\nimport { logger } from '../utils/logger';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\n/**\n * @class AudioTrackController\n * @implements {EventHandler}\n *\n * Handles main manifest and audio-track metadata loaded,\n * owns and exposes the selectable audio-tracks data-models.\n *\n * Exposes internal interface to select available audio-tracks.\n *\n * Handles errors on loading audio-track playlists. Manages fallback mechanism\n * with redundants tracks (group-IDs).\n *\n * Handles level-loading and group-ID switches for video (fallback on video levels),\n * and eventually adapts the audio-track group-ID to match.\n *\n * @fires AUDIO_TRACK_LOADING\n * @fires AUDIO_TRACK_SWITCHING\n * @fires AUDIO_TRACKS_UPDATED\n * @fires ERROR\n *\n */\nclass AudioTrackController extends TaskLoop {\n constructor (hls) {\n super(hls,\n Event.MANIFEST_LOADING,\n Event.MANIFEST_PARSED,\n Event.AUDIO_TRACK_LOADED,\n Event.AUDIO_TRACK_SWITCHED,\n Event.LEVEL_LOADED,\n Event.ERROR\n );\n\n /**\n * @private\n * Currently selected index in `tracks`\n * @member {number} trackId\n */\n this._trackId = -1;\n\n /**\n * @private\n * If should select tracks according to default track attribute\n * @member {boolean} _selectDefaultTrack\n */\n this._selectDefaultTrack = true;\n\n /**\n * @public\n * All tracks available\n * @member {AudioTrack[]}\n */\n this.tracks = [];\n\n /**\n * @public\n * List of blacklisted audio track IDs (that have caused failure)\n * @member {number[]}\n */\n this.trackIdBlacklist = Object.create(null);\n\n /**\n * @public\n * The currently running group ID for audio\n * (we grab this on manifest-parsed and new level-loaded)\n * @member {string}\n */\n this.audioGroupId = null;\n }\n\n /**\n * Reset audio tracks on new manifest loading.\n */\n onManifestLoading () {\n this.tracks = [];\n this._trackId = -1;\n this._selectDefaultTrack = true;\n }\n\n /**\n * Store tracks data from manifest parsed data.\n *\n * Trigger AUDIO_TRACKS_UPDATED event.\n *\n * @param {*} data\n */\n onManifestParsed (data) {\n const tracks = this.tracks = data.audioTracks || [];\n this.hls.trigger(Event.AUDIO_TRACKS_UPDATED, { audioTracks: tracks });\n\n this._selectAudioGroup(this.hls.nextLoadLevel);\n }\n\n /**\n * Store track details of loaded track in our data-model.\n *\n * Set-up metadata update interval task for live-mode streams.\n *\n * @param {*} data\n */\n onAudioTrackLoaded (data) {\n if (data.id >= this.tracks.length) {\n logger.warn('Invalid audio track id:', data.id);\n return;\n }\n\n logger.log(`audioTrack ${data.id} loaded`);\n\n this.tracks[data.id].details = data.details;\n\n // check if current playlist is a live playlist\n // and if we have already our reload interval setup\n if (data.details.live && !this.hasInterval()) {\n // if live playlist we will have to reload it periodically\n // set reload period to playlist target duration\n const updatePeriodMs = data.details.targetduration * 1000;\n this.setInterval(updatePeriodMs);\n }\n\n if (!data.details.live && this.hasInterval()) {\n // playlist is not live and timer is scheduled: cancel it\n this.clearInterval();\n }\n }\n\n /**\n * Update the internal group ID to any audio-track we may have set manually\n * or because of a failure-handling fallback.\n *\n * Quality-levels should update to that group ID in this case.\n *\n * @param {*} data\n */\n onAudioTrackSwitched (data) {\n const audioGroupId = this.tracks[data.id].groupId;\n if (audioGroupId && (this.audioGroupId !== audioGroupId)) {\n this.audioGroupId = audioGroupId;\n }\n }\n\n /**\n * When a level gets loaded, if it has redundant audioGroupIds (in the same ordinality as it's redundant URLs)\n * we are setting our audio-group ID internally to the one set, if it is different from the group ID currently set.\n *\n * If group-ID got update, we re-select the appropriate audio-track with this group-ID matching the currently\n * selected one (based on NAME property).\n *\n * @param {*} data\n */\n onLevelLoaded (data) {\n this._selectAudioGroup(data.level);\n }\n\n /**\n * Handle network errors loading audio track manifests\n * and also pausing on any netwok errors.\n *\n * @param {ErrorEventData} data\n */\n onError (data) {\n // Only handle network errors\n if (data.type !== ErrorTypes.NETWORK_ERROR) {\n return;\n }\n\n // If fatal network error, cancel update task\n if (data.fatal) {\n this.clearInterval();\n }\n\n // If not an audio-track loading error don't handle further\n if (data.details !== ErrorDetails.AUDIO_TRACK_LOAD_ERROR) {\n return;\n }\n\n logger.warn('Network failure on audio-track id:', data.context.id);\n this._handleLoadError();\n }\n\n /**\n * @type {AudioTrack[]} Audio-track list we own\n */\n get audioTracks () {\n return this.tracks;\n }\n\n /**\n * @type {number} Index into audio-tracks list of currently selected track.\n */\n get audioTrack () {\n return this._trackId;\n }\n\n /**\n * Select current track by index\n */\n set audioTrack (newId) {\n this._setAudioTrack(newId);\n // If audio track is selected from API then don't choose from the manifest default track\n this._selectDefaultTrack = false;\n }\n\n /**\n * @private\n * @param {number} newId\n */\n _setAudioTrack (newId) {\n // noop on same audio track id as already set\n if (this._trackId === newId && this.tracks[this._trackId].details) {\n logger.debug('Same id as current audio-track passed, and track details available -> no-op');\n return;\n }\n\n // check if level idx is valid\n if (newId < 0 || newId >= this.tracks.length) {\n logger.warn('Invalid id passed to audio-track controller');\n return;\n }\n\n const audioTrack = this.tracks[newId];\n\n logger.log(`Now switching to audio-track index ${newId}`);\n\n // stopping live reloading timer if any\n this.clearInterval();\n this._trackId = newId;\n\n const { url, type, id } = audioTrack;\n this.hls.trigger(Event.AUDIO_TRACK_SWITCHING, { id, type, url });\n this._loadTrackDetailsIfNeeded(audioTrack);\n }\n\n /**\n * @override\n */\n doTick () {\n this._updateTrack(this._trackId);\n }\n\n /**\n * @param levelId\n * @private\n */\n _selectAudioGroup (levelId) {\n const levelInfo = this.hls.levels[levelId];\n\n if (!levelInfo || !levelInfo.audioGroupIds) {\n return;\n }\n\n const audioGroupId = levelInfo.audioGroupIds[levelInfo.urlId];\n if (this.audioGroupId !== audioGroupId) {\n this.audioGroupId = audioGroupId;\n this._selectInitialAudioTrack();\n }\n }\n\n /**\n * Select initial track\n * @private\n */\n _selectInitialAudioTrack () {\n let tracks = this.tracks;\n if (!tracks.length) {\n return;\n }\n\n const currentAudioTrack = this.tracks[this._trackId];\n\n let name = null;\n if (currentAudioTrack) {\n name = currentAudioTrack.name;\n }\n\n // Pre-select default tracks if there are any\n if (this._selectDefaultTrack) {\n const defaultTracks = tracks.filter((track) => track.default);\n if (defaultTracks.length) {\n tracks = defaultTracks;\n } else {\n logger.warn('No default audio tracks defined');\n }\n }\n\n let trackFound = false;\n\n const traverseTracks = () => {\n // Select track with right group ID\n tracks.forEach((track) => {\n if (trackFound) {\n return;\n }\n // We need to match the (pre-)selected group ID\n // and the NAME of the current track.\n if ((!this.audioGroupId || track.groupId === this.audioGroupId) &&\n (!name || name === track.name)) {\n // If there was a previous track try to stay with the same `NAME`.\n // It should be unique across tracks of same group, and consistent through redundant track groups.\n this._setAudioTrack(track.id);\n trackFound = true;\n }\n });\n };\n\n traverseTracks();\n\n if (!trackFound) {\n name = null;\n traverseTracks();\n }\n\n if (!trackFound) {\n logger.error(`No track found for running audio group-ID: ${this.audioGroupId}`);\n\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.MEDIA_ERROR,\n details: ErrorDetails.AUDIO_TRACK_LOAD_ERROR,\n fatal: true\n });\n }\n }\n\n /**\n * @private\n * @param {AudioTrack} audioTrack\n * @returns {boolean}\n */\n _needsTrackLoading (audioTrack) {\n const { details, url } = audioTrack;\n\n if (!details || details.live) {\n // check if we face an audio track embedded in main playlist (audio track without URI attribute)\n return !!url;\n }\n\n return false;\n }\n\n /**\n * @private\n * @param {AudioTrack} audioTrack\n */\n _loadTrackDetailsIfNeeded (audioTrack) {\n if (this._needsTrackLoading(audioTrack)) {\n const { url, id } = audioTrack;\n // track not retrieved yet, or live playlist we need to (re)load it\n logger.log(`loading audio-track playlist for id: ${id}`);\n this.hls.trigger(Event.AUDIO_TRACK_LOADING, { url, id });\n }\n }\n\n /**\n * @private\n * @param {number} newId\n */\n _updateTrack (newId) {\n // check if level idx is valid\n if (newId < 0 || newId >= this.tracks.length) {\n return;\n }\n\n // stopping live reloading timer if any\n this.clearInterval();\n this._trackId = newId;\n logger.log(`trying to update audio-track ${newId}`);\n const audioTrack = this.tracks[newId];\n this._loadTrackDetailsIfNeeded(audioTrack);\n }\n\n /**\n * @private\n */\n _handleLoadError () {\n // First, let's black list current track id\n this.trackIdBlacklist[this._trackId] = true;\n\n // Let's try to fall back on a functional audio-track with the same group ID\n const previousId = this._trackId;\n const { name, language, groupId } = this.tracks[previousId];\n\n logger.warn(`Loading failed on audio track id: ${previousId}, group-id: ${groupId}, name/language: \"${name}\" / \"${language}\"`);\n\n // Find a non-blacklisted track ID with the same NAME\n // At least a track that is not blacklisted, thus on another group-ID.\n let newId = previousId;\n for (let i = 0; i < this.tracks.length; i++) {\n if (this.trackIdBlacklist[i]) {\n continue;\n }\n const newTrack = this.tracks[i];\n if (newTrack.name === name) {\n newId = i;\n break;\n }\n }\n\n if (newId === previousId) {\n logger.warn(`No fallback audio-track found for name/language: \"${name}\" / \"${language}\"`);\n return;\n }\n\n logger.log('Attempting audio-track fallback id:', newId, 'group-id:', this.tracks[newId].groupId);\n\n this._setAudioTrack(newId);\n }\n}\n\nexport default AudioTrackController;\n","/*\n * Audio Stream Controller\n*/\n\nimport BinarySearch from '../utils/binary-search';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport Demuxer from '../demux/demuxer';\nimport Event from '../events';\nimport * as LevelHelper from './level-helper';\nimport TimeRanges from '../utils/time-ranges';\nimport { ErrorTypes, ErrorDetails } from '../errors';\nimport { logger } from '../utils/logger';\nimport { findFragWithCC } from '../utils/discontinuities';\nimport { FragmentState } from './fragment-tracker';\nimport Fragment, { ElementaryStreamTypes } from '../loader/fragment';\nimport BaseStreamController, { State } from './base-stream-controller';\nconst { performance } = window;\n\nconst TICK_INTERVAL = 100; // how often to tick in ms\n\nclass AudioStreamController extends BaseStreamController {\n constructor (hls, fragmentTracker) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.AUDIO_TRACKS_UPDATED,\n Event.AUDIO_TRACK_SWITCHING,\n Event.AUDIO_TRACK_LOADED,\n Event.KEY_LOADED,\n Event.FRAG_LOADED,\n Event.FRAG_PARSING_INIT_SEGMENT,\n Event.FRAG_PARSING_DATA,\n Event.FRAG_PARSED,\n Event.ERROR,\n Event.BUFFER_RESET,\n Event.BUFFER_CREATED,\n Event.BUFFER_APPENDED,\n Event.BUFFER_FLUSHED,\n Event.INIT_PTS_FOUND);\n this.fragmentTracker = fragmentTracker;\n this.config = hls.config;\n this.audioCodecSwap = false;\n this._state = State.STOPPED;\n this.initPTS = [];\n this.waitingFragment = null;\n this.videoTrackCC = null;\n }\n\n // Signal that video PTS was found\n onInitPtsFound (data) {\n let demuxerId = data.id, cc = data.frag.cc, initPTS = data.initPTS;\n if (demuxerId === 'main') {\n // Always update the new INIT PTS\n // Can change due level switch\n this.initPTS[cc] = initPTS;\n this.videoTrackCC = cc;\n logger.log(`InitPTS for cc: ${cc} found from video track: ${initPTS}`);\n\n // If we are waiting we need to demux/remux the waiting frag\n // With the new initPTS\n if (this.state === State.WAITING_INIT_PTS) {\n this.tick();\n }\n }\n }\n\n startLoad (startPosition) {\n if (this.tracks) {\n let lastCurrentTime = this.lastCurrentTime;\n this.stopLoad();\n this.setInterval(TICK_INTERVAL);\n this.fragLoadError = 0;\n if (lastCurrentTime > 0 && startPosition === -1) {\n logger.log(`audio:override startPosition with lastCurrentTime @${lastCurrentTime.toFixed(3)}`);\n this.state = State.IDLE;\n } else {\n this.lastCurrentTime = this.startPosition ? this.startPosition : startPosition;\n this.state = State.STARTING;\n }\n this.nextLoadPosition = this.startPosition = this.lastCurrentTime;\n this.tick();\n } else {\n this.startPosition = startPosition;\n this.state = State.STOPPED;\n }\n }\n\n set state (nextState) {\n if (this.state !== nextState) {\n const previousState = this.state;\n this._state = nextState;\n logger.log(`audio stream:${previousState}->${nextState}`);\n }\n }\n\n get state () {\n return this._state;\n }\n\n doTick () {\n let pos, track, trackDetails, hls = this.hls, config = hls.config;\n // logger.log('audioStream:' + this.state);\n switch (this.state) {\n case State.ERROR:\n // don't do anything in error state to avoid breaking further ...\n case State.PAUSED:\n // don't do anything in paused state either ...\n case State.BUFFER_FLUSHING:\n break;\n case State.STARTING:\n this.state = State.WAITING_TRACK;\n this.loadedmetadata = false;\n break;\n case State.IDLE:\n const tracks = this.tracks;\n // audio tracks not received => exit loop\n if (!tracks) {\n break;\n }\n\n // if video not attached AND\n // start fragment already requested OR start frag prefetch disable\n // exit loop\n // => if media not attached but start frag prefetch is enabled and start frag not requested yet, we will not exit loop\n if (!this.media &&\n (this.startFragRequested || !config.startFragPrefetch)) {\n break;\n }\n\n // determine next candidate fragment to be loaded, based on current position and\n // end of buffer position\n // if we have not yet loaded any fragment, start loading from start position\n if (this.loadedmetadata) {\n pos = this.media.currentTime;\n } else {\n pos = this.nextLoadPosition;\n if (pos === undefined) {\n break;\n }\n }\n let media = this.mediaBuffer ? this.mediaBuffer : this.media,\n videoBuffer = this.videoBuffer ? this.videoBuffer : this.media,\n bufferInfo = BufferHelper.bufferInfo(media, pos, config.maxBufferHole),\n mainBufferInfo = BufferHelper.bufferInfo(videoBuffer, pos, config.maxBufferHole),\n bufferLen = bufferInfo.len,\n bufferEnd = bufferInfo.end,\n fragPrevious = this.fragPrevious,\n // ensure we buffer at least config.maxBufferLength (default 30s) or config.maxMaxBufferLength (default: 600s)\n // whichever is smaller.\n // once we reach that threshold, don't buffer more than video (mainBufferInfo.len)\n maxConfigBuffer = Math.min(config.maxBufferLength, config.maxMaxBufferLength),\n maxBufLen = Math.max(maxConfigBuffer, mainBufferInfo.len),\n audioSwitch = this.audioSwitch,\n trackId = this.trackId;\n\n // if buffer length is less than maxBufLen try to load a new fragment\n if ((bufferLen < maxBufLen || audioSwitch) && trackId < tracks.length) {\n trackDetails = tracks[trackId].details;\n // if track info not retrieved yet, switch state and wait for track retrieval\n if (typeof trackDetails === 'undefined') {\n this.state = State.WAITING_TRACK;\n break;\n }\n\n if (!audioSwitch && this._streamEnded(bufferInfo, trackDetails)) {\n this.hls.trigger(Event.BUFFER_EOS, { type: 'audio' });\n this.state = State.ENDED;\n return;\n }\n\n // find fragment index, contiguous with end of buffer position\n let fragments = trackDetails.fragments,\n fragLen = fragments.length,\n start = fragments[0].start,\n end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration,\n frag;\n\n // When switching audio track, reload audio as close as possible to currentTime\n if (audioSwitch) {\n if (trackDetails.live && !trackDetails.PTSKnown) {\n logger.log('switching audiotrack, live stream, unknown PTS,load first fragment');\n bufferEnd = 0;\n } else {\n bufferEnd = pos;\n // if currentTime (pos) is less than alt audio playlist start time, it means that alt audio is ahead of currentTime\n if (trackDetails.PTSKnown && pos < start) {\n // if everything is buffered from pos to start or if audio buffer upfront, let's seek to start\n if (bufferInfo.end > start || bufferInfo.nextStart) {\n logger.log('alt audio track ahead of main track, seek to start of alt audio track');\n this.media.currentTime = start + 0.05;\n } else {\n return;\n }\n }\n }\n }\n if (trackDetails.initSegment && !trackDetails.initSegment.data) {\n frag = trackDetails.initSegment;\n } // eslint-disable-line brace-style\n // if bufferEnd before start of playlist, load first fragment\n else if (bufferEnd <= start) {\n frag = fragments[0];\n if (this.videoTrackCC !== null && frag.cc !== this.videoTrackCC) {\n // Ensure we find a fragment which matches the continuity of the video track\n frag = findFragWithCC(fragments, this.videoTrackCC);\n }\n if (trackDetails.live && frag.loadIdx && frag.loadIdx === this.fragLoadIdx) {\n // we just loaded this first fragment, and we are still lagging behind the start of the live playlist\n // let's force seek to start\n const nextBuffered = bufferInfo.nextStart ? bufferInfo.nextStart : start;\n logger.log(`no alt audio available @currentTime:${this.media.currentTime}, seeking @${nextBuffered + 0.05}`);\n this.media.currentTime = nextBuffered + 0.05;\n return;\n }\n } else {\n let foundFrag;\n let maxFragLookUpTolerance = config.maxFragLookUpTolerance;\n const fragNext = fragPrevious ? fragments[fragPrevious.sn - fragments[0].sn + 1] : undefined;\n let fragmentWithinToleranceTest = (candidate) => {\n // offset should be within fragment boundary - config.maxFragLookUpTolerance\n // this is to cope with situations like\n // bufferEnd = 9.991\n // frag[Ø] : [0,10]\n // frag[1] : [10,20]\n // bufferEnd is within frag[0] range ... although what we are expecting is to return frag[1] here\n // frag start frag start+duration\n // |-----------------------------|\n // <---> <--->\n // ...--------><-----------------------------><---------....\n // previous frag matching fragment next frag\n // return -1 return 0 return 1\n // logger.log(`level/sn/start/end/bufEnd:${level}/${candidate.sn}/${candidate.start}/${(candidate.start+candidate.duration)}/${bufferEnd}`);\n // Set the lookup tolerance to be small enough to detect the current segment - ensures we don't skip over very small segments\n let candidateLookupTolerance = Math.min(maxFragLookUpTolerance, candidate.duration);\n if ((candidate.start + candidate.duration - candidateLookupTolerance) <= bufferEnd) {\n return 1;\n } else if (candidate.start - candidateLookupTolerance > bufferEnd && candidate.start) {\n // if maxFragLookUpTolerance will have negative value then don't return -1 for first element\n return -1;\n }\n\n return 0;\n };\n\n if (bufferEnd < end) {\n if (bufferEnd > end - maxFragLookUpTolerance) {\n maxFragLookUpTolerance = 0;\n }\n\n // Prefer the next fragment if it's within tolerance\n if (fragNext && !fragmentWithinToleranceTest(fragNext)) {\n foundFrag = fragNext;\n } else {\n foundFrag = BinarySearch.search(fragments, fragmentWithinToleranceTest);\n }\n } else {\n // reach end of playlist\n foundFrag = fragments[fragLen - 1];\n }\n if (foundFrag) {\n frag = foundFrag;\n start = foundFrag.start;\n // logger.log('find SN matching with pos:' + bufferEnd + ':' + frag.sn);\n if (fragPrevious && frag.level === fragPrevious.level && frag.sn === fragPrevious.sn) {\n if (frag.sn < trackDetails.endSN) {\n frag = fragments[frag.sn + 1 - trackDetails.startSN];\n logger.log(`SN just loaded, load next one: ${frag.sn}`);\n } else {\n frag = null;\n }\n }\n }\n }\n if (frag) {\n // logger.log(' loading frag ' + i +',pos/bufEnd:' + pos.toFixed(3) + '/' + bufferEnd.toFixed(3));\n if (frag.encrypted) {\n logger.log(`Loading key for ${frag.sn} of [${trackDetails.startSN} ,${trackDetails.endSN}],track ${trackId}`);\n this.state = State.KEY_LOADING;\n hls.trigger(Event.KEY_LOADING, { frag: frag });\n } else {\n logger.log(`Loading ${frag.sn}, cc: ${frag.cc} of [${trackDetails.startSN} ,${trackDetails.endSN}],track ${trackId}, currentTime:${pos},bufferEnd:${bufferEnd.toFixed(3)}`);\n // only load if fragment is not loaded or if in audio switch\n // we force a frag loading in audio switch as fragment tracker might not have evicted previous frags in case of quick audio switch\n this.fragCurrent = frag;\n if (audioSwitch || this.fragmentTracker.getState(frag) === FragmentState.NOT_LOADED) {\n if (frag.sn !== 'initSegment') {\n this.startFragRequested = true;\n }\n if (Number.isFinite(frag.sn)) {\n this.nextLoadPosition = frag.start + frag.duration;\n }\n\n hls.trigger(Event.FRAG_LOADING, { frag });\n this.state = State.FRAG_LOADING;\n }\n }\n }\n }\n break;\n case State.WAITING_TRACK:\n track = this.tracks[this.trackId];\n // check if playlist is already loaded\n if (track && track.details) {\n this.state = State.IDLE;\n }\n\n break;\n case State.FRAG_LOADING_WAITING_RETRY:\n var now = performance.now();\n var retryDate = this.retryDate;\n media = this.media;\n var isSeeking = media && media.seeking;\n // if current time is gt than retryDate, or if media seeking let's switch to IDLE state to retry loading\n if (!retryDate || (now >= retryDate) || isSeeking) {\n logger.log('audioStreamController: retryDate reached, switch back to IDLE state');\n this.state = State.IDLE;\n }\n break;\n case State.WAITING_INIT_PTS:\n const videoTrackCC = this.videoTrackCC;\n if (this.initPTS[videoTrackCC] === undefined) {\n break;\n }\n\n // Ensure we don't get stuck in the WAITING_INIT_PTS state if the waiting frag CC doesn't match any initPTS\n const waitingFrag = this.waitingFragment;\n if (waitingFrag) {\n const waitingFragCC = waitingFrag.frag.cc;\n if (videoTrackCC !== waitingFragCC) {\n track = this.tracks[this.trackId];\n if (track.details && track.details.live) {\n logger.warn(`Waiting fragment CC (${waitingFragCC}) does not match video track CC (${videoTrackCC})`);\n this.waitingFragment = null;\n this.state = State.IDLE;\n }\n } else {\n this.state = State.FRAG_LOADING;\n this.onFragLoaded(this.waitingFragment);\n this.waitingFragment = null;\n }\n } else {\n this.state = State.IDLE;\n }\n\n break;\n case State.STOPPED:\n case State.FRAG_LOADING:\n case State.PARSING:\n case State.PARSED:\n case State.ENDED:\n break;\n default:\n break;\n }\n }\n\n onMediaAttached (data) {\n let media = this.media = this.mediaBuffer = data.media;\n this.onvseeking = this.onMediaSeeking.bind(this);\n this.onvended = this.onMediaEnded.bind(this);\n media.addEventListener('seeking', this.onvseeking);\n media.addEventListener('ended', this.onvended);\n let config = this.config;\n if (this.tracks && config.autoStartLoad) {\n this.startLoad(config.startPosition);\n }\n }\n\n onMediaDetaching () {\n let media = this.media;\n if (media && media.ended) {\n logger.log('MSE detaching and video ended, reset startPosition');\n this.startPosition = this.lastCurrentTime = 0;\n }\n\n // remove video listeners\n if (media) {\n media.removeEventListener('seeking', this.onvseeking);\n media.removeEventListener('ended', this.onvended);\n this.onvseeking = this.onvseeked = this.onvended = null;\n }\n this.media = this.mediaBuffer = this.videoBuffer = null;\n this.loadedmetadata = false;\n this.fragmentTracker.removeAllFragments();\n this.stopLoad();\n }\n\n onAudioTracksUpdated (data) {\n logger.log('audio tracks updated');\n this.tracks = data.audioTracks;\n }\n\n onAudioTrackSwitching (data) {\n // if any URL found on new audio track, it is an alternate audio track\n let altAudio = !!data.url;\n this.trackId = data.id;\n\n this.fragCurrent = null;\n this.state = State.PAUSED;\n this.waitingFragment = null;\n // destroy useless demuxer when switching audio to main\n if (!altAudio) {\n if (this.demuxer) {\n this.demuxer.destroy();\n this.demuxer = null;\n }\n } else {\n // switching to audio track, start timer if not already started\n this.setInterval(TICK_INTERVAL);\n }\n\n // should we switch tracks ?\n if (altAudio) {\n this.audioSwitch = true;\n // main audio track are handled by stream-controller, just do something if switching to alt audio track\n this.state = State.IDLE;\n }\n this.tick();\n }\n\n onAudioTrackLoaded (data) {\n let newDetails = data.details,\n trackId = data.id,\n track = this.tracks[trackId],\n duration = newDetails.totalduration,\n sliding = 0;\n\n logger.log(`track ${trackId} loaded [${newDetails.startSN},${newDetails.endSN}],duration:${duration}`);\n\n if (newDetails.live) {\n let curDetails = track.details;\n if (curDetails && newDetails.fragments.length > 0) {\n // we already have details for that level, merge them\n LevelHelper.mergeDetails(curDetails, newDetails);\n sliding = newDetails.fragments[0].start;\n // TODO\n // this.liveSyncPosition = this.computeLivePosition(sliding, curDetails);\n if (newDetails.PTSKnown) {\n logger.log(`live audio playlist sliding:${sliding.toFixed(3)}`);\n } else {\n logger.log('live audio playlist - outdated PTS, unknown sliding');\n }\n } else {\n newDetails.PTSKnown = false;\n logger.log('live audio playlist - first load, unknown sliding');\n }\n } else {\n newDetails.PTSKnown = false;\n }\n track.details = newDetails;\n\n // compute start position\n if (!this.startFragRequested) {\n // compute start position if set to -1. use it straight away if value is defined\n if (this.startPosition === -1) {\n // first, check if start time offset has been set in playlist, if yes, use this value\n let startTimeOffset = newDetails.startTimeOffset;\n if (Number.isFinite(startTimeOffset)) {\n logger.log(`start time offset found in playlist, adjust startPosition to ${startTimeOffset}`);\n this.startPosition = startTimeOffset;\n } else {\n if (newDetails.live) {\n this.startPosition = this.computeLivePosition(sliding, newDetails);\n logger.log(`compute startPosition for audio-track to ${this.startPosition}`);\n } else {\n this.startPosition = 0;\n }\n }\n }\n this.nextLoadPosition = this.startPosition;\n }\n // only switch batck to IDLE state if we were waiting for track to start downloading a new fragment\n if (this.state === State.WAITING_TRACK) {\n this.state = State.IDLE;\n }\n\n // trigger handler right now\n this.tick();\n }\n\n onKeyLoaded () {\n if (this.state === State.KEY_LOADING) {\n this.state = State.IDLE;\n this.tick();\n }\n }\n\n onFragLoaded (data) {\n let fragCurrent = this.fragCurrent,\n fragLoaded = data.frag;\n if (this.state === State.FRAG_LOADING &&\n fragCurrent &&\n fragLoaded.type === 'audio' &&\n fragLoaded.level === fragCurrent.level &&\n fragLoaded.sn === fragCurrent.sn) {\n let track = this.tracks[this.trackId],\n details = track.details,\n duration = details.totalduration,\n trackId = fragCurrent.level,\n sn = fragCurrent.sn,\n cc = fragCurrent.cc,\n audioCodec = this.config.defaultAudioCodec || track.audioCodec || 'mp4a.40.2',\n stats = this.stats = data.stats;\n if (sn === 'initSegment') {\n this.state = State.IDLE;\n\n stats.tparsed = stats.tbuffered = performance.now();\n details.initSegment.data = data.payload;\n this.hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: fragCurrent, id: 'audio' });\n this.tick();\n } else {\n this.state = State.PARSING;\n // transmux the MPEG-TS data to ISO-BMFF segments\n this.appended = false;\n if (!this.demuxer) {\n this.demuxer = new Demuxer(this.hls, 'audio');\n }\n\n // Check if we have video initPTS\n // If not we need to wait for it\n let initPTS = this.initPTS[cc];\n let initSegmentData = details.initSegment ? details.initSegment.data : [];\n if (details.initSegment || initPTS !== undefined) {\n this.pendingBuffering = true;\n logger.log(`Demuxing ${sn} of [${details.startSN} ,${details.endSN}],track ${trackId}`);\n // time Offset is accurate if level PTS is known, or if playlist is not sliding (not live)\n let accurateTimeOffset = false; // details.PTSKnown || !details.live;\n this.demuxer.push(data.payload, initSegmentData, audioCodec, null, fragCurrent, duration, accurateTimeOffset, initPTS);\n } else {\n logger.log(`unknown video PTS for continuity counter ${cc}, waiting for video PTS before demuxing audio frag ${sn} of [${details.startSN} ,${details.endSN}],track ${trackId}`);\n this.waitingFragment = data;\n this.state = State.WAITING_INIT_PTS;\n }\n }\n }\n this.fragLoadError = 0;\n }\n\n onFragParsingInitSegment (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'audio' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n let tracks = data.tracks, track;\n\n // delete any video track found on audio demuxer\n if (tracks.video) {\n delete tracks.video;\n }\n\n // include levelCodec in audio and video tracks\n track = tracks.audio;\n if (track) {\n track.levelCodec = track.codec;\n track.id = data.id;\n this.hls.trigger(Event.BUFFER_CODECS, tracks);\n logger.log(`audio track:audio,container:${track.container},codecs[level/parsed]=[${track.levelCodec}/${track.codec}]`);\n let initSegment = track.initSegment;\n if (initSegment) {\n let appendObj = { type: 'audio', data: initSegment, parent: 'audio', content: 'initSegment' };\n if (this.audioSwitch) {\n this.pendingData = [appendObj];\n } else {\n this.appended = true;\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n this.hls.trigger(Event.BUFFER_APPENDING, appendObj);\n }\n }\n // trigger handler right now\n this.tick();\n }\n }\n }\n\n onFragParsingData (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'audio' &&\n data.type === 'audio' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n let trackId = this.trackId,\n track = this.tracks[trackId],\n hls = this.hls;\n\n if (!Number.isFinite(data.endPTS)) {\n data.endPTS = data.startPTS + fragCurrent.duration;\n data.endDTS = data.startDTS + fragCurrent.duration;\n }\n\n fragCurrent.addElementaryStream(ElementaryStreamTypes.AUDIO);\n\n logger.log(`parsed ${data.type},PTS:[${data.startPTS.toFixed(3)},${data.endPTS.toFixed(3)}],DTS:[${data.startDTS.toFixed(3)}/${data.endDTS.toFixed(3)}],nb:${data.nb}`);\n LevelHelper.updateFragPTSDTS(track.details, fragCurrent, data.startPTS, data.endPTS);\n\n let audioSwitch = this.audioSwitch, media = this.media, appendOnBufferFlush = false;\n // Only flush audio from old audio tracks when PTS is known on new audio track\n if (audioSwitch) {\n if (media && media.readyState) {\n let currentTime = media.currentTime;\n logger.log('switching audio track : currentTime:' + currentTime);\n if (currentTime >= data.startPTS) {\n logger.log('switching audio track : flushing all audio');\n this.state = State.BUFFER_FLUSHING;\n hls.trigger(Event.BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' });\n appendOnBufferFlush = true;\n // Lets announce that the initial audio track switch flush occur\n this.audioSwitch = false;\n hls.trigger(Event.AUDIO_TRACK_SWITCHED, { id: trackId });\n }\n } else {\n // Lets announce that the initial audio track switch flush occur\n this.audioSwitch = false;\n hls.trigger(Event.AUDIO_TRACK_SWITCHED, { id: trackId });\n }\n }\n\n let pendingData = this.pendingData;\n\n if (!pendingData) {\n logger.warn('Apparently attempt to enqueue media payload without codec initialization data upfront');\n hls.trigger(Event.ERROR, { type: ErrorTypes.MEDIA_ERROR, details: null, fatal: true });\n return;\n }\n\n if (!this.audioSwitch) {\n [data.data1, data.data2].forEach(buffer => {\n if (buffer && buffer.length) {\n pendingData.push({ type: data.type, data: buffer, parent: 'audio', content: 'data' });\n }\n });\n if (!appendOnBufferFlush && pendingData.length) {\n pendingData.forEach(appendObj => {\n // only append in PARSING state (rationale is that an appending error could happen synchronously on first segment appending)\n // in that case it is useless to append following segments\n if (this.state === State.PARSING) {\n // arm pending Buffering flag before appending a segment\n this.pendingBuffering = true;\n this.hls.trigger(Event.BUFFER_APPENDING, appendObj);\n }\n });\n this.pendingData = [];\n this.appended = true;\n }\n }\n // trigger handler right now\n this.tick();\n }\n }\n\n onFragParsed (data) {\n const fragCurrent = this.fragCurrent;\n const fragNew = data.frag;\n if (fragCurrent &&\n data.id === 'audio' &&\n fragNew.sn === fragCurrent.sn &&\n fragNew.level === fragCurrent.level &&\n this.state === State.PARSING) {\n this.stats.tparsed = performance.now();\n this.state = State.PARSED;\n this._checkAppendedParsed();\n }\n }\n\n onBufferReset () {\n // reset reference to sourcebuffers\n this.mediaBuffer = this.videoBuffer = null;\n this.loadedmetadata = false;\n }\n\n onBufferCreated (data) {\n let audioTrack = data.tracks.audio;\n if (audioTrack) {\n this.mediaBuffer = audioTrack.buffer;\n this.loadedmetadata = true;\n }\n if (data.tracks.video) {\n this.videoBuffer = data.tracks.video.buffer;\n }\n }\n\n onBufferAppended (data) {\n if (data.parent === 'audio') {\n const state = this.state;\n if (state === State.PARSING || state === State.PARSED) {\n // check if all buffers have been appended\n this.pendingBuffering = (data.pending > 0);\n this._checkAppendedParsed();\n }\n }\n }\n\n _checkAppendedParsed () {\n // trigger handler right now\n if (this.state === State.PARSED && (!this.appended || !this.pendingBuffering)) {\n let frag = this.fragCurrent, stats = this.stats, hls = this.hls;\n if (frag) {\n this.fragPrevious = frag;\n stats.tbuffered = performance.now();\n hls.trigger(Event.FRAG_BUFFERED, { stats: stats, frag: frag, id: 'audio' });\n let media = this.mediaBuffer ? this.mediaBuffer : this.media;\n if (media) {\n logger.log(`audio buffered : ${TimeRanges.toString(media.buffered)}`);\n }\n if (this.audioSwitch && this.appended) {\n this.audioSwitch = false;\n hls.trigger(Event.AUDIO_TRACK_SWITCHED, { id: this.trackId });\n }\n this.state = State.IDLE;\n }\n this.tick();\n }\n }\n\n onError (data) {\n let frag = data.frag;\n // don't handle frag error not related to audio fragment\n if (frag && frag.type !== 'audio') {\n return;\n }\n\n switch (data.details) {\n case ErrorDetails.FRAG_LOAD_ERROR:\n case ErrorDetails.FRAG_LOAD_TIMEOUT:\n const frag = data.frag;\n // don't handle frag error not related to audio fragment\n if (frag && frag.type !== 'audio') {\n break;\n }\n\n if (!data.fatal) {\n let loadError = this.fragLoadError;\n if (loadError) {\n loadError++;\n } else {\n loadError = 1;\n }\n\n const config = this.config;\n if (loadError <= config.fragLoadingMaxRetry) {\n this.fragLoadError = loadError;\n // exponential backoff capped to config.fragLoadingMaxRetryTimeout\n const delay = Math.min(Math.pow(2, loadError - 1) * config.fragLoadingRetryDelay, config.fragLoadingMaxRetryTimeout);\n logger.warn(`AudioStreamController: frag loading failed, retry in ${delay} ms`);\n this.retryDate = performance.now() + delay;\n // retry loading state\n this.state = State.FRAG_LOADING_WAITING_RETRY;\n } else {\n logger.error(`AudioStreamController: ${data.details} reaches max retry, redispatch as fatal ...`);\n // switch error to fatal\n data.fatal = true;\n this.state = State.ERROR;\n }\n }\n break;\n case ErrorDetails.AUDIO_TRACK_LOAD_ERROR:\n case ErrorDetails.AUDIO_TRACK_LOAD_TIMEOUT:\n case ErrorDetails.KEY_LOAD_ERROR:\n case ErrorDetails.KEY_LOAD_TIMEOUT:\n // when in ERROR state, don't switch back to IDLE state in case a non-fatal error is received\n if (this.state !== State.ERROR) {\n // if fatal error, stop processing, otherwise move to IDLE to retry loading\n this.state = data.fatal ? State.ERROR : State.IDLE;\n logger.warn(`AudioStreamController: ${data.details} while loading frag, now switching to ${this.state} state ...`);\n }\n break;\n case ErrorDetails.BUFFER_FULL_ERROR:\n // if in appending state\n if (data.parent === 'audio' && (this.state === State.PARSING || this.state === State.PARSED)) {\n const media = this.mediaBuffer,\n currentTime = this.media.currentTime,\n mediaBuffered = media && BufferHelper.isBuffered(media, currentTime) && BufferHelper.isBuffered(media, currentTime + 0.5);\n // reduce max buf len if current position is buffered\n if (mediaBuffered) {\n const config = this.config;\n if (config.maxMaxBufferLength >= config.maxBufferLength) {\n // reduce max buffer length as it might be too high. we do this to avoid loop flushing ...\n config.maxMaxBufferLength /= 2;\n logger.warn(`AudioStreamController: reduce max buffer length to ${config.maxMaxBufferLength}s`);\n }\n this.state = State.IDLE;\n } else {\n // current position is not buffered, but browser is still complaining about buffer full error\n // this happens on IE/Edge, refer to https://github.com/video-dev/hls.js/pull/708\n // in that case flush the whole audio buffer to recover\n logger.warn('AudioStreamController: buffer full error also media.currentTime is not buffered, flush audio buffer');\n this.fragCurrent = null;\n // flush everything\n this.state = State.BUFFER_FLUSHING;\n this.hls.trigger(Event.BUFFER_FLUSHING, { startOffset: 0, endOffset: Number.POSITIVE_INFINITY, type: 'audio' });\n }\n }\n break;\n default:\n break;\n }\n }\n\n onBufferFlushed () {\n let pendingData = this.pendingData;\n if (pendingData && pendingData.length) {\n logger.log('AudioStreamController: appending pending audio data after buffer flushed');\n pendingData.forEach(appendObj => {\n this.hls.trigger(Event.BUFFER_APPENDING, appendObj);\n });\n this.appended = true;\n this.pendingData = [];\n this.state = State.PARSED;\n } else {\n // move to IDLE once flush complete. this should trigger new fragment loading\n this.state = State.IDLE;\n // reset reference to frag\n this.fragPrevious = null;\n this.tick();\n }\n }\n}\nexport default AudioStreamController;\n","/**\n * Copyright 2013 vtt.js Contributors\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\nexport default (function () {\n if (typeof window !== 'undefined' && window.VTTCue) {\n return window.VTTCue;\n }\n\n let autoKeyword = 'auto';\n let directionSetting = {\n '': true,\n lr: true,\n rl: true\n };\n let alignSetting = {\n start: true,\n middle: true,\n end: true,\n left: true,\n right: true\n };\n\n function findDirectionSetting (value) {\n if (typeof value !== 'string') {\n return false;\n }\n\n let dir = directionSetting[value.toLowerCase()];\n return dir ? value.toLowerCase() : false;\n }\n\n function findAlignSetting (value) {\n if (typeof value !== 'string') {\n return false;\n }\n\n let align = alignSetting[value.toLowerCase()];\n return align ? value.toLowerCase() : false;\n }\n\n function extend (obj) {\n let i = 1;\n for (; i < arguments.length; i++) {\n let cobj = arguments[i];\n for (let p in cobj) {\n obj[p] = cobj[p];\n }\n }\n\n return obj;\n }\n\n function VTTCue (startTime, endTime, text) {\n let cue = this;\n let baseObj = {};\n\n baseObj.enumerable = true;\n\n /**\n * Shim implementation specific properties. These properties are not in\n * the spec.\n */\n\n // Lets us know when the VTTCue's data has changed in such a way that we need\n // to recompute its display state. This lets us compute its display state\n // lazily.\n cue.hasBeenReset = false;\n\n /**\n * VTTCue and TextTrackCue properties\n * http://dev.w3.org/html5/webvtt/#vttcue-interface\n */\n\n let _id = '';\n let _pauseOnExit = false;\n let _startTime = startTime;\n let _endTime = endTime;\n let _text = text;\n let _region = null;\n let _vertical = '';\n let _snapToLines = true;\n let _line = 'auto';\n let _lineAlign = 'start';\n let _position = 50;\n let _positionAlign = 'middle';\n let _size = 50;\n let _align = 'middle';\n\n Object.defineProperty(cue, 'id', extend({}, baseObj, {\n get: function () {\n return _id;\n },\n set: function (value) {\n _id = '' + value;\n }\n }));\n\n Object.defineProperty(cue, 'pauseOnExit', extend({}, baseObj, {\n get: function () {\n return _pauseOnExit;\n },\n set: function (value) {\n _pauseOnExit = !!value;\n }\n }));\n\n Object.defineProperty(cue, 'startTime', extend({}, baseObj, {\n get: function () {\n return _startTime;\n },\n set: function (value) {\n if (typeof value !== 'number') {\n throw new TypeError('Start time must be set to a number.');\n }\n\n _startTime = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'endTime', extend({}, baseObj, {\n get: function () {\n return _endTime;\n },\n set: function (value) {\n if (typeof value !== 'number') {\n throw new TypeError('End time must be set to a number.');\n }\n\n _endTime = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'text', extend({}, baseObj, {\n get: function () {\n return _text;\n },\n set: function (value) {\n _text = '' + value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'region', extend({}, baseObj, {\n get: function () {\n return _region;\n },\n set: function (value) {\n _region = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'vertical', extend({}, baseObj, {\n get: function () {\n return _vertical;\n },\n set: function (value) {\n let setting = findDirectionSetting(value);\n // Have to check for false because the setting an be an empty string.\n if (setting === false) {\n throw new SyntaxError('An invalid or illegal string was specified.');\n }\n\n _vertical = setting;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'snapToLines', extend({}, baseObj, {\n get: function () {\n return _snapToLines;\n },\n set: function (value) {\n _snapToLines = !!value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'line', extend({}, baseObj, {\n get: function () {\n return _line;\n },\n set: function (value) {\n if (typeof value !== 'number' && value !== autoKeyword) {\n throw new SyntaxError('An invalid number or illegal string was specified.');\n }\n\n _line = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'lineAlign', extend({}, baseObj, {\n get: function () {\n return _lineAlign;\n },\n set: function (value) {\n let setting = findAlignSetting(value);\n if (!setting) {\n throw new SyntaxError('An invalid or illegal string was specified.');\n }\n\n _lineAlign = setting;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'position', extend({}, baseObj, {\n get: function () {\n return _position;\n },\n set: function (value) {\n if (value < 0 || value > 100) {\n throw new Error('Position must be between 0 and 100.');\n }\n\n _position = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'positionAlign', extend({}, baseObj, {\n get: function () {\n return _positionAlign;\n },\n set: function (value) {\n let setting = findAlignSetting(value);\n if (!setting) {\n throw new SyntaxError('An invalid or illegal string was specified.');\n }\n\n _positionAlign = setting;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'size', extend({}, baseObj, {\n get: function () {\n return _size;\n },\n set: function (value) {\n if (value < 0 || value > 100) {\n throw new Error('Size must be between 0 and 100.');\n }\n\n _size = value;\n this.hasBeenReset = true;\n }\n }));\n\n Object.defineProperty(cue, 'align', extend({}, baseObj, {\n get: function () {\n return _align;\n },\n set: function (value) {\n let setting = findAlignSetting(value);\n if (!setting) {\n throw new SyntaxError('An invalid or illegal string was specified.');\n }\n\n _align = setting;\n this.hasBeenReset = true;\n }\n }));\n\n /**\n * Other <track> spec defined properties\n */\n\n // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#text-track-cue-display-state\n cue.displayState = void 0;\n }\n\n /**\n * VTTCue methods\n */\n\n VTTCue.prototype.getCueAsHTML = function () {\n // Assume WebVTT.convertCueToDOMTree is on the global.\n let WebVTT = window.WebVTT;\n return WebVTT.convertCueToDOMTree(window, this.text);\n };\n\n return VTTCue;\n})();\n","/*\n * Source: https://github.com/mozilla/vtt.js/blob/master/dist/vtt.js#L1716\n */\n\nimport VTTCue from './vttcue';\n\nconst StringDecoder = function StringDecoder () {\n return {\n decode: function (data) {\n if (!data) {\n return '';\n }\n\n if (typeof data !== 'string') {\n throw new Error('Error - expected string data.');\n }\n\n return decodeURIComponent(encodeURIComponent(data));\n }\n };\n};\n\nfunction VTTParser () {\n this.window = window;\n this.state = 'INITIAL';\n this.buffer = '';\n this.decoder = new StringDecoder();\n this.regionList = [];\n}\n\n// Try to parse input as a time stamp.\nfunction parseTimeStamp (input) {\n function computeSeconds (h, m, s, f) {\n return (h | 0) * 3600 + (m | 0) * 60 + (s | 0) + (f | 0) / 1000;\n }\n\n let m = input.match(/^(\\d+):(\\d{2})(:\\d{2})?\\.(\\d{3})/);\n if (!m) {\n return null;\n }\n\n if (m[3]) {\n // Timestamp takes the form of [hours]:[minutes]:[seconds].[milliseconds]\n return computeSeconds(m[1], m[2], m[3].replace(':', ''), m[4]);\n } else if (m[1] > 59) {\n // Timestamp takes the form of [hours]:[minutes].[milliseconds]\n // First position is hours as it's over 59.\n return computeSeconds(m[1], m[2], 0, m[4]);\n } else {\n // Timestamp takes the form of [minutes]:[seconds].[milliseconds]\n return computeSeconds(0, m[1], m[2], m[4]);\n }\n}\n\n// A settings object holds key/value pairs and will ignore anything but the first\n// assignment to a specific key.\nfunction Settings () {\n this.values = Object.create(null);\n}\n\nSettings.prototype = {\n // Only accept the first assignment to any key.\n set: function (k, v) {\n if (!this.get(k) && v !== '') {\n this.values[k] = v;\n }\n },\n // Return the value for a key, or a default value.\n // If 'defaultKey' is passed then 'dflt' is assumed to be an object with\n // a number of possible default values as properties where 'defaultKey' is\n // the key of the property that will be chosen; otherwise it's assumed to be\n // a single value.\n get: function (k, dflt, defaultKey) {\n if (defaultKey) {\n return this.has(k) ? this.values[k] : dflt[defaultKey];\n }\n\n return this.has(k) ? this.values[k] : dflt;\n },\n // Check whether we have a value for a key.\n has: function (k) {\n return k in this.values;\n },\n // Accept a setting if its one of the given alternatives.\n alt: function (k, v, a) {\n for (let n = 0; n < a.length; ++n) {\n if (v === a[n]) {\n this.set(k, v);\n break;\n }\n }\n },\n // Accept a setting if its a valid (signed) integer.\n integer: function (k, v) {\n if (/^-?\\d+$/.test(v)) { // integer\n this.set(k, parseInt(v, 10));\n }\n },\n // Accept a setting if its a valid percentage.\n percent: function (k, v) {\n let m;\n if ((m = v.match(/^([\\d]{1,3})(\\.[\\d]*)?%$/))) {\n v = parseFloat(v);\n if (v >= 0 && v <= 100) {\n this.set(k, v);\n return true;\n }\n }\n return false;\n }\n};\n\n// Helper function to parse input into groups separated by 'groupDelim', and\n// interprete each group as a key/value pair separated by 'keyValueDelim'.\nfunction parseOptions (input, callback, keyValueDelim, groupDelim) {\n let groups = groupDelim ? input.split(groupDelim) : [input];\n for (let i in groups) {\n if (typeof groups[i] !== 'string') {\n continue;\n }\n\n let kv = groups[i].split(keyValueDelim);\n if (kv.length !== 2) {\n continue;\n }\n\n let k = kv[0];\n let v = kv[1];\n callback(k, v);\n }\n}\n\nlet defaults = new VTTCue(0, 0, 0);\n// 'middle' was changed to 'center' in the spec: https://github.com/w3c/webvtt/pull/244\n// Safari doesn't yet support this change, but FF and Chrome do.\nlet center = defaults.align === 'middle' ? 'middle' : 'center';\n\nfunction parseCue (input, cue, regionList) {\n // Remember the original input if we need to throw an error.\n let oInput = input;\n // 4.1 WebVTT timestamp\n function consumeTimeStamp () {\n let ts = parseTimeStamp(input);\n if (ts === null) {\n throw new Error('Malformed timestamp: ' + oInput);\n }\n\n // Remove time stamp from input.\n input = input.replace(/^[^\\sa-zA-Z-]+/, '');\n return ts;\n }\n\n // 4.4.2 WebVTT cue settings\n function consumeCueSettings (input, cue) {\n let settings = new Settings();\n\n parseOptions(input, function (k, v) {\n switch (k) {\n case 'region':\n // Find the last region we parsed with the same region id.\n for (let i = regionList.length - 1; i >= 0; i--) {\n if (regionList[i].id === v) {\n settings.set(k, regionList[i].region);\n break;\n }\n }\n break;\n case 'vertical':\n settings.alt(k, v, ['rl', 'lr']);\n break;\n case 'line':\n var vals = v.split(','),\n vals0 = vals[0];\n settings.integer(k, vals0);\n if (settings.percent(k, vals0)) {\n settings.set('snapToLines', false);\n }\n\n settings.alt(k, vals0, ['auto']);\n if (vals.length === 2) {\n settings.alt('lineAlign', vals[1], ['start', center, 'end']);\n }\n\n break;\n case 'position':\n vals = v.split(',');\n settings.percent(k, vals[0]);\n if (vals.length === 2) {\n settings.alt('positionAlign', vals[1], ['start', center, 'end', 'line-left', 'line-right', 'auto']);\n }\n\n break;\n case 'size':\n settings.percent(k, v);\n break;\n case 'align':\n settings.alt(k, v, ['start', center, 'end', 'left', 'right']);\n break;\n }\n }, /:/, /\\s/);\n\n // Apply default values for any missing fields.\n cue.region = settings.get('region', null);\n cue.vertical = settings.get('vertical', '');\n let line = settings.get('line', 'auto');\n if (line === 'auto' && defaults.line === -1) {\n // set numeric line number for Safari\n line = -1;\n }\n cue.line = line;\n cue.lineAlign = settings.get('lineAlign', 'start');\n cue.snapToLines = settings.get('snapToLines', true);\n cue.size = settings.get('size', 100);\n cue.align = settings.get('align', center);\n let position = settings.get('position', 'auto');\n if (position === 'auto' && defaults.position === 50) {\n // set numeric position for Safari\n position = cue.align === 'start' || cue.align === 'left' ? 0 : cue.align === 'end' || cue.align === 'right' ? 100 : 50;\n }\n cue.position = position;\n }\n\n function skipWhitespace () {\n input = input.replace(/^\\s+/, '');\n }\n\n // 4.1 WebVTT cue timings.\n skipWhitespace();\n cue.startTime = consumeTimeStamp(); // (1) collect cue start time\n skipWhitespace();\n if (input.substr(0, 3) !== '-->') { // (3) next characters must match '-->'\n throw new Error('Malformed time stamp (time stamps must be separated by \\'-->\\'): ' +\n oInput);\n }\n input = input.substr(3);\n skipWhitespace();\n cue.endTime = consumeTimeStamp(); // (5) collect cue end time\n\n // 4.1 WebVTT cue settings list.\n skipWhitespace();\n consumeCueSettings(input, cue);\n}\n\nfunction fixLineBreaks (input) {\n return input.replace(/<br(?: \\/)?>/gi, '\\n');\n}\n\nVTTParser.prototype = {\n parse: function (data) {\n let self = this;\n\n // If there is no data then we won't decode it, but will just try to parse\n // whatever is in buffer already. This may occur in circumstances, for\n // example when flush() is called.\n if (data) {\n // Try to decode the data that we received.\n self.buffer += self.decoder.decode(data, { stream: true });\n }\n\n function collectNextLine () {\n let buffer = self.buffer;\n let pos = 0;\n\n buffer = fixLineBreaks(buffer);\n\n while (pos < buffer.length && buffer[pos] !== '\\r' && buffer[pos] !== '\\n') {\n ++pos;\n }\n\n let line = buffer.substr(0, pos);\n // Advance the buffer early in case we fail below.\n if (buffer[pos] === '\\r') {\n ++pos;\n }\n\n if (buffer[pos] === '\\n') {\n ++pos;\n }\n\n self.buffer = buffer.substr(pos);\n return line;\n }\n\n // 3.2 WebVTT metadata header syntax\n function parseHeader (input) {\n parseOptions(input, function (k, v) {\n switch (k) {\n case 'Region':\n // 3.3 WebVTT region metadata header syntax\n // console.log('parse region', v);\n // parseRegion(v);\n break;\n }\n }, /:/);\n }\n\n // 5.1 WebVTT file parsing.\n try {\n let line;\n if (self.state === 'INITIAL') {\n // We can't start parsing until we have the first line.\n if (!/\\r\\n|\\n/.test(self.buffer)) {\n return this;\n }\n\n line = collectNextLine();\n // strip of UTF-8 BOM if any\n // https://en.wikipedia.org/wiki/Byte_order_mark#UTF-8\n let m = line.match(/^()?WEBVTT([ \\t].*)?$/);\n if (!m || !m[0]) {\n throw new Error('Malformed WebVTT signature.');\n }\n\n self.state = 'HEADER';\n }\n\n let alreadyCollectedLine = false;\n while (self.buffer) {\n // We can't parse a line until we have the full line.\n if (!/\\r\\n|\\n/.test(self.buffer)) {\n return this;\n }\n\n if (!alreadyCollectedLine) {\n line = collectNextLine();\n } else {\n alreadyCollectedLine = false;\n }\n\n switch (self.state) {\n case 'HEADER':\n // 13-18 - Allow a header (metadata) under the WEBVTT line.\n if (/:/.test(line)) {\n parseHeader(line);\n } else if (!line) {\n // An empty line terminates the header and starts the body (cues).\n self.state = 'ID';\n }\n continue;\n case 'NOTE':\n // Ignore NOTE blocks.\n if (!line) {\n self.state = 'ID';\n }\n\n continue;\n case 'ID':\n // Check for the start of NOTE blocks.\n if (/^NOTE($|[ \\t])/.test(line)) {\n self.state = 'NOTE';\n break;\n }\n // 19-29 - Allow any number of line terminators, then initialize new cue values.\n if (!line) {\n continue;\n }\n\n self.cue = new VTTCue(0, 0, '');\n self.state = 'CUE';\n // 30-39 - Check if self line contains an optional identifier or timing data.\n if (line.indexOf('-->') === -1) {\n self.cue.id = line;\n continue;\n }\n // Process line as start of a cue.\n /* falls through */\n case 'CUE':\n // 40 - Collect cue timings and settings.\n try {\n parseCue(line, self.cue, self.regionList);\n } catch (e) {\n // In case of an error ignore rest of the cue.\n self.cue = null;\n self.state = 'BADCUE';\n continue;\n }\n self.state = 'CUETEXT';\n continue;\n case 'CUETEXT':\n var hasSubstring = line.indexOf('-->') !== -1;\n // 34 - If we have an empty line then report the cue.\n // 35 - If we have the special substring '-->' then report the cue,\n // but do not collect the line as we need to process the current\n // one as a new cue.\n if (!line || hasSubstring && (alreadyCollectedLine = true)) {\n // We are done parsing self cue.\n if (self.oncue) {\n self.oncue(self.cue);\n }\n\n self.cue = null;\n self.state = 'ID';\n continue;\n }\n if (self.cue.text) {\n self.cue.text += '\\n';\n }\n\n self.cue.text += line;\n continue;\n case 'BADCUE': // BADCUE\n // 54-62 - Collect and discard the remaining cue.\n if (!line) {\n self.state = 'ID';\n }\n\n continue;\n }\n }\n } catch (e) {\n // If we are currently parsing a cue, report what we have.\n if (self.state === 'CUETEXT' && self.cue && self.oncue) {\n self.oncue(self.cue);\n }\n\n self.cue = null;\n // Enter BADWEBVTT state if header was not parsed correctly otherwise\n // another exception occurred so enter BADCUE state.\n self.state = self.state === 'INITIAL' ? 'BADWEBVTT' : 'BADCUE';\n }\n return this;\n },\n flush: function () {\n let self = this;\n try {\n // Finish decoding the stream.\n self.buffer += self.decoder.decode();\n // Synthesize the end of the current cue or region.\n if (self.cue || self.state === 'HEADER') {\n self.buffer += '\\n\\n';\n self.parse();\n }\n // If we've flushed, parsed, and we're still on the INITIAL state then\n // that means we don't have enough of the stream to parse the first\n // line.\n if (self.state === 'INITIAL') {\n throw new Error('Malformed WebVTT signature.');\n }\n } catch (e) {\n throw e;\n }\n if (self.onflush) {\n self.onflush();\n }\n\n return this;\n }\n};\n\nexport { fixLineBreaks };\n\nexport default VTTParser;\n","import { fixLineBreaks } from './vttparser';\nimport { CaptionScreen, Row } from './cea-608-parser';\n\ninterface VTTCue extends TextTrackCue {\n new(start: number, end: number, cueText: string): VTTCue\n line: number\n align: string\n position: number\n}\n\nexport function newCue (track: TextTrack, startTime: number, endTime: number, captionScreen: CaptionScreen) {\n let row: Row;\n // the type data states this is VTTCue, but it can potentially be a TextTrackCue on old browsers\n let cue: VTTCue;\n let indenting: boolean;\n let indent: number;\n let text: string;\n let VTTCue: VTTCue = (window as any).VTTCue as VTTCue || TextTrackCue;\n\n for (let r = 0; r < captionScreen.rows.length; r++) {\n row = captionScreen.rows[r];\n indenting = true;\n indent = 0;\n text = '';\n\n if (!row.isEmpty()) {\n for (let c = 0; c < row.chars.length; c++) {\n if (row.chars[c].uchar.match(/\\s/) && indenting) {\n indent++;\n } else {\n text += row.chars[c].uchar;\n indenting = false;\n }\n }\n // To be used for cleaning-up orphaned roll-up captions\n row.cueStartTime = startTime;\n\n // Give a slight bump to the endTime if it's equal to startTime to avoid a SyntaxError in IE\n if (startTime === endTime) {\n endTime += 0.0001;\n }\n\n cue = new VTTCue(startTime, endTime, fixLineBreaks(text.trim()));\n\n if (indent >= 16) {\n indent--;\n } else {\n indent++;\n }\n\n // VTTCue.line get's flakey when using controls, so let's now include line 13&14\n // also, drop line 1 since it's to close to the top\n if (navigator.userAgent.match(/Firefox\\//)) {\n cue.line = r + 1;\n } else {\n cue.line = (r > 7 ? r - 2 : r + 1);\n }\n\n cue.align = 'left';\n // Clamp the position between 0 and 100 - if out of these bounds, Firefox throws an exception and captions break\n cue.position = Math.max(0, Math.min(100, 100 * (indent / 32)));\n track.addCue(cue);\n }\n }\n}\n","import OutputFilter from './output-filter';\n\n/**\n *\n * This code was ported from the dash.js project at:\n * https://github.com/Dash-Industry-Forum/dash.js/blob/development/externals/cea608-parser.js\n * https://github.com/Dash-Industry-Forum/dash.js/commit/8269b26a761e0853bb21d78780ed945144ecdd4d#diff-71bc295a2d6b6b7093a1d3290d53a4b2\n *\n * The original copyright appears below:\n *\n * The copyright in this software is being made available under the BSD License,\n * included below. This software may be subject to other third party and contributor\n * rights, including patent rights, and no such rights are granted under this license.\n *\n * Copyright (c) 2015-2016, DASH Industry Forum.\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification,\n * are permitted provided that the following conditions are met:\n * 1. Redistributions of source code must retain the above copyright notice, this\n * list of conditions and the following disclaimer.\n * * Redistributions in binary form must reproduce the above copyright notice,\n * this list of conditions and the following disclaimer in the documentation and/or\n * other materials provided with the distribution.\n * 2. Neither the name of Dash Industry Forum nor the names of its\n * contributors may be used to endorse or promote products derived from this software\n * without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY\n * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\n * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,\n * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\n * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR\n * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\n * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\n * POSSIBILITY OF SUCH DAMAGE.\n */\n/**\n * Exceptions from regular ASCII. CodePoints are mapped to UTF-16 codes\n */\n\nlet specialCea608CharsCodes = {\n 0x2a: 0xe1, // lowercase a, acute accent\n 0x5c: 0xe9, // lowercase e, acute accent\n 0x5e: 0xed, // lowercase i, acute accent\n 0x5f: 0xf3, // lowercase o, acute accent\n 0x60: 0xfa, // lowercase u, acute accent\n 0x7b: 0xe7, // lowercase c with cedilla\n 0x7c: 0xf7, // division symbol\n 0x7d: 0xd1, // uppercase N tilde\n 0x7e: 0xf1, // lowercase n tilde\n 0x7f: 0x2588, // Full block\n // THIS BLOCK INCLUDES THE 16 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS\n // THAT COME FROM HI BYTE=0x11 AND LOW BETWEEN 0x30 AND 0x3F\n // THIS MEANS THAT \\x50 MUST BE ADDED TO THE VALUES\n 0x80: 0xae, // Registered symbol (R)\n 0x81: 0xb0, // degree sign\n 0x82: 0xbd, // 1/2 symbol\n 0x83: 0xbf, // Inverted (open) question mark\n 0x84: 0x2122, // Trademark symbol (TM)\n 0x85: 0xa2, // Cents symbol\n 0x86: 0xa3, // Pounds sterling\n 0x87: 0x266a, // Music 8'th note\n 0x88: 0xe0, // lowercase a, grave accent\n 0x89: 0x20, // transparent space (regular)\n 0x8a: 0xe8, // lowercase e, grave accent\n 0x8b: 0xe2, // lowercase a, circumflex accent\n 0x8c: 0xea, // lowercase e, circumflex accent\n 0x8d: 0xee, // lowercase i, circumflex accent\n 0x8e: 0xf4, // lowercase o, circumflex accent\n 0x8f: 0xfb, // lowercase u, circumflex accent\n // THIS BLOCK INCLUDES THE 32 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS\n // THAT COME FROM HI BYTE=0x12 AND LOW BETWEEN 0x20 AND 0x3F\n 0x90: 0xc1, // capital letter A with acute\n 0x91: 0xc9, // capital letter E with acute\n 0x92: 0xd3, // capital letter O with acute\n 0x93: 0xda, // capital letter U with acute\n 0x94: 0xdc, // capital letter U with diaresis\n 0x95: 0xfc, // lowercase letter U with diaeresis\n 0x96: 0x2018, // opening single quote\n 0x97: 0xa1, // inverted exclamation mark\n 0x98: 0x2a, // asterisk\n 0x99: 0x2019, // closing single quote\n 0x9a: 0x2501, // box drawings heavy horizontal\n 0x9b: 0xa9, // copyright sign\n 0x9c: 0x2120, // Service mark\n 0x9d: 0x2022, // (round) bullet\n 0x9e: 0x201c, // Left double quotation mark\n 0x9f: 0x201d, // Right double quotation mark\n 0xa0: 0xc0, // uppercase A, grave accent\n 0xa1: 0xc2, // uppercase A, circumflex\n 0xa2: 0xc7, // uppercase C with cedilla\n 0xa3: 0xc8, // uppercase E, grave accent\n 0xa4: 0xca, // uppercase E, circumflex\n 0xa5: 0xcb, // capital letter E with diaresis\n 0xa6: 0xeb, // lowercase letter e with diaresis\n 0xa7: 0xce, // uppercase I, circumflex\n 0xa8: 0xcf, // uppercase I, with diaresis\n 0xa9: 0xef, // lowercase i, with diaresis\n 0xaa: 0xd4, // uppercase O, circumflex\n 0xab: 0xd9, // uppercase U, grave accent\n 0xac: 0xf9, // lowercase u, grave accent\n 0xad: 0xdb, // uppercase U, circumflex\n 0xae: 0xab, // left-pointing double angle quotation mark\n 0xaf: 0xbb, // right-pointing double angle quotation mark\n // THIS BLOCK INCLUDES THE 32 EXTENDED (TWO-BYTE) LINE 21 CHARACTERS\n // THAT COME FROM HI BYTE=0x13 AND LOW BETWEEN 0x20 AND 0x3F\n 0xb0: 0xc3, // Uppercase A, tilde\n 0xb1: 0xe3, // Lowercase a, tilde\n 0xb2: 0xcd, // Uppercase I, acute accent\n 0xb3: 0xcc, // Uppercase I, grave accent\n 0xb4: 0xec, // Lowercase i, grave accent\n 0xb5: 0xd2, // Uppercase O, grave accent\n 0xb6: 0xf2, // Lowercase o, grave accent\n 0xb7: 0xd5, // Uppercase O, tilde\n 0xb8: 0xf5, // Lowercase o, tilde\n 0xb9: 0x7b, // Open curly brace\n 0xba: 0x7d, // Closing curly brace\n 0xbb: 0x5c, // Backslash\n 0xbc: 0x5e, // Caret\n 0xbd: 0x5f, // Underscore\n 0xbe: 0x7c, // Pipe (vertical line)\n 0xbf: 0x223c, // Tilde operator\n 0xc0: 0xc4, // Uppercase A, umlaut\n 0xc1: 0xe4, // Lowercase A, umlaut\n 0xc2: 0xd6, // Uppercase O, umlaut\n 0xc3: 0xf6, // Lowercase o, umlaut\n 0xc4: 0xdf, // Esszett (sharp S)\n 0xc5: 0xa5, // Yen symbol\n 0xc6: 0xa4, // Generic currency sign\n 0xc7: 0x2503, // Box drawings heavy vertical\n 0xc8: 0xc5, // Uppercase A, ring\n 0xc9: 0xe5, // Lowercase A, ring\n 0xca: 0xd8, // Uppercase O, stroke\n 0xcb: 0xf8, // Lowercase o, strok\n 0xcc: 0x250f, // Box drawings heavy down and right\n 0xcd: 0x2513, // Box drawings heavy down and left\n 0xce: 0x2517, // Box drawings heavy up and right\n 0xcf: 0x251b // Box drawings heavy up and left\n};\n\n/**\n * Utils\n */\nlet getCharForByte = function (byte: number) {\n let charCode = byte;\n if (specialCea608CharsCodes.hasOwnProperty(byte)) {\n charCode = specialCea608CharsCodes[byte];\n }\n\n return String.fromCharCode(charCode);\n};\n\nlet NR_ROWS = 15,\n NR_COLS = 100;\n// Tables to look up row from PAC data\nlet rowsLowCh1 = { 0x11: 1, 0x12: 3, 0x15: 5, 0x16: 7, 0x17: 9, 0x10: 11, 0x13: 12, 0x14: 14 };\nlet rowsHighCh1 = { 0x11: 2, 0x12: 4, 0x15: 6, 0x16: 8, 0x17: 10, 0x13: 13, 0x14: 15 };\nlet rowsLowCh2 = { 0x19: 1, 0x1A: 3, 0x1D: 5, 0x1E: 7, 0x1F: 9, 0x18: 11, 0x1B: 12, 0x1C: 14 };\nlet rowsHighCh2 = { 0x19: 2, 0x1A: 4, 0x1D: 6, 0x1E: 8, 0x1F: 10, 0x1B: 13, 0x1C: 15 };\n\nlet backgroundColors = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta', 'black', 'transparent'];\n\nenum VerboseFilter {\n ERROR = 0,\n TEXT = 1,\n WARNING = 2,\n INFO = 2,\n DEBUG = 3,\n DATA = 3,\n}\n\n/**\n * Simple logger class to be able to write with time-stamps and filter on level.\n */\nlet logger: {\n verboseFilter: {\n 'DATA': VerboseFilter.DATA;\n 'DEBUG': VerboseFilter.DEBUG;\n 'INFO': VerboseFilter.INFO;\n 'WARNING': VerboseFilter.WARNING;\n 'TEXT': VerboseFilter.TEXT;\n 'ERROR': VerboseFilter.ERROR;\n },\n time: number | null\n verboseLevel: VerboseFilter,\n setTime: (newTime: number | null) => void,\n log: (severity: keyof typeof VerboseFilter, msg: string) => void,\n} = {\n verboseFilter: { 'DATA': 3, 'DEBUG': 3, 'INFO': 2, 'WARNING': 2, 'TEXT': 1, 'ERROR': 0 },\n time: null,\n verboseLevel: 0, // Only write errors\n setTime: function (newTime) {\n this.time = newTime;\n },\n log: function (severity, msg) {\n let minLevel = this.verboseFilter[severity];\n if (this.verboseLevel >= minLevel) {\n // console.log(this.time + ' [' + severity + '] ' + msg);\n }\n }\n};\n\nlet numArrayToHexArray = function (numArray: number[]): string[] {\n let hexArray: string[] = [];\n for (let j = 0; j < numArray.length; j++) {\n hexArray.push(numArray[j].toString(16));\n }\n\n return hexArray;\n};\n\ntype PenStyles = {\n foreground: string | null,\n underline: boolean,\n italics: boolean,\n background: string,\n flash: boolean,\n};\n\nclass PenState {\n public foreground: string;\n public underline: boolean;\n public italics: boolean;\n public background: string;\n public flash: boolean;\n\n constructor (foreground?: string, underline?: boolean, italics?: boolean, background?: string, flash?: boolean) {\n this.foreground = foreground || 'white';\n this.underline = underline || false;\n this.italics = italics || false;\n this.background = background || 'black';\n this.flash = flash || false;\n }\n\n reset () {\n this.foreground = 'white';\n this.underline = false;\n this.italics = false;\n this.background = 'black';\n this.flash = false;\n }\n\n setStyles (styles: Partial<PenStyles>) {\n let attribs = ['foreground', 'underline', 'italics', 'background', 'flash'];\n for (let i = 0; i < attribs.length; i++) {\n let style = attribs[i];\n if (styles.hasOwnProperty(style)) {\n this[style] = styles[style];\n }\n }\n }\n\n isDefault () {\n return (this.foreground === 'white' && !this.underline && !this.italics &&\n this.background === 'black' && !this.flash);\n }\n\n equals (other: PenState) {\n return ((this.foreground === other.foreground) &&\n (this.underline === other.underline) &&\n (this.italics === other.italics) &&\n (this.background === other.background) &&\n (this.flash === other.flash));\n }\n\n copy (newPenState: PenState) {\n this.foreground = newPenState.foreground;\n this.underline = newPenState.underline;\n this.italics = newPenState.italics;\n this.background = newPenState.background;\n this.flash = newPenState.flash;\n }\n\n toString (): string {\n return ('color=' + this.foreground + ', underline=' + this.underline + ', italics=' + this.italics +\n ', background=' + this.background + ', flash=' + this.flash);\n }\n}\n\n/**\n * Unicode character with styling and background.\n * @constructor\n */\nclass StyledUnicodeChar {\n uchar: string;\n penState: PenState;\n constructor (uchar?: string, foreground?: string, underline?: boolean, italics?: boolean, background?: string, flash?: boolean) {\n this.uchar = uchar || ' '; // unicode character\n this.penState = new PenState(foreground, underline, italics, background, flash);\n }\n\n reset () {\n this.uchar = ' ';\n this.penState.reset();\n }\n\n setChar (uchar: string, newPenState: PenState) {\n this.uchar = uchar;\n this.penState.copy(newPenState);\n }\n\n setPenState (newPenState: PenState) {\n this.penState.copy(newPenState);\n }\n\n equals (other: StyledUnicodeChar) {\n return this.uchar === other.uchar && this.penState.equals(other.penState);\n }\n\n copy (newChar: StyledUnicodeChar) {\n this.uchar = newChar.uchar;\n this.penState.copy(newChar.penState);\n }\n\n isEmpty (): boolean {\n return this.uchar === ' ' && this.penState.isDefault();\n }\n}\n\n/**\n * CEA-608 row consisting of NR_COLS instances of StyledUnicodeChar.\n * @constructor\n */\nexport class Row {\n public chars: StyledUnicodeChar[];\n public pos: number;\n public currPenState: PenState;\n public cueStartTime?: number;\n constructor () {\n this.chars = [];\n for (let i = 0; i < NR_COLS; i++) {\n this.chars.push(new StyledUnicodeChar());\n }\n\n this.pos = 0;\n this.currPenState = new PenState();\n }\n\n equals (other: Row) {\n let equal = true;\n for (let i = 0; i < NR_COLS; i++) {\n if (!this.chars[i].equals(other.chars[i])) {\n equal = false;\n break;\n }\n }\n return equal;\n }\n\n copy (other: Row) {\n for (let i = 0; i < NR_COLS; i++) {\n this.chars[i].copy(other.chars[i]);\n }\n }\n\n isEmpty (): boolean {\n let empty = true;\n for (let i = 0; i < NR_COLS; i++) {\n if (!this.chars[i].isEmpty()) {\n empty = false;\n break;\n }\n }\n return empty;\n }\n\n /**\n * Set the cursor to a valid column.\n */\n setCursor (absPos: number) {\n if (this.pos !== absPos) {\n this.pos = absPos;\n }\n\n if (this.pos < 0) {\n logger.log('ERROR', 'Negative cursor position ' + this.pos);\n this.pos = 0;\n } else if (this.pos > NR_COLS) {\n logger.log('ERROR', 'Too large cursor position ' + this.pos);\n this.pos = NR_COLS;\n }\n }\n\n /**\n * Move the cursor relative to current position.\n */\n moveCursor (relPos: number) {\n let newPos = this.pos + relPos;\n if (relPos > 1) {\n for (let i = this.pos + 1; i < newPos + 1; i++) {\n this.chars[i].setPenState(this.currPenState);\n }\n }\n this.setCursor(newPos);\n }\n\n /**\n * Backspace, move one step back and clear character.\n */\n backSpace () {\n this.moveCursor(-1);\n this.chars[this.pos].setChar(' ', this.currPenState);\n }\n\n insertChar (byte: number) {\n if (byte >= 0x90) { // Extended char\n this.backSpace();\n }\n let char = getCharForByte(byte);\n if (this.pos >= NR_COLS) {\n logger.log('ERROR', 'Cannot insert ' + byte.toString(16) +\n ' (' + char + ') at position ' + this.pos + '. Skipping it!');\n return;\n }\n this.chars[this.pos].setChar(char, this.currPenState);\n this.moveCursor(1);\n }\n\n clearFromPos (startPos: number) {\n let i: number;\n for (i = startPos; i < NR_COLS; i++) {\n this.chars[i].reset();\n }\n }\n\n clear () {\n this.clearFromPos(0);\n this.pos = 0;\n this.currPenState.reset();\n }\n\n clearToEndOfRow () {\n this.clearFromPos(this.pos);\n }\n\n getTextString () {\n let chars: string[] = [];\n let empty = true;\n for (let i = 0; i < NR_COLS; i++) {\n let char = this.chars[i].uchar;\n if (char !== ' ') {\n empty = false;\n }\n\n chars.push(char);\n }\n if (empty) {\n return '';\n } else {\n return chars.join('');\n }\n }\n\n setPenStyles (styles: Partial<PenStyles>) {\n this.currPenState.setStyles(styles);\n let currChar = this.chars[this.pos];\n currChar.setPenState(this.currPenState);\n }\n}\n\n/**\n * Keep a CEA-608 screen of 32x15 styled characters\n * @constructor\n*/\nexport class CaptionScreen {\n rows: Row[];\n currRow: number;\n nrRollUpRows: number | null;\n lastOutputScreen: any;\n constructor () {\n this.rows = [];\n for (let i = 0; i < NR_ROWS; i++) {\n this.rows.push(new Row());\n } // Note that we use zero-based numbering (0-14)\n\n this.currRow = NR_ROWS - 1;\n this.nrRollUpRows = null;\n this.reset();\n }\n\n reset () {\n for (let i = 0; i < NR_ROWS; i++) {\n this.rows[i].clear();\n }\n\n this.currRow = NR_ROWS - 1;\n }\n\n equals (other: CaptionScreen): boolean {\n let equal = true;\n for (let i = 0; i < NR_ROWS; i++) {\n if (!this.rows[i].equals(other.rows[i])) {\n equal = false;\n break;\n }\n }\n return equal;\n }\n\n copy (other: CaptionScreen) {\n for (let i = 0; i < NR_ROWS; i++) {\n this.rows[i].copy(other.rows[i]);\n }\n }\n\n isEmpty (): boolean {\n let empty = true;\n for (let i = 0; i < NR_ROWS; i++) {\n if (!this.rows[i].isEmpty()) {\n empty = false;\n break;\n }\n }\n return empty;\n }\n\n backSpace () {\n let row = this.rows[this.currRow];\n row.backSpace();\n }\n\n clearToEndOfRow () {\n let row = this.rows[this.currRow];\n row.clearToEndOfRow();\n }\n\n /**\n * Insert a character (without styling) in the current row.\n */\n insertChar (char: number) {\n let row = this.rows[this.currRow];\n row.insertChar(char);\n }\n\n setPen (styles: Partial<PenStyles>) {\n let row = this.rows[this.currRow];\n row.setPenStyles(styles);\n }\n\n moveCursor (relPos: number) {\n let row = this.rows[this.currRow];\n row.moveCursor(relPos);\n }\n\n setCursor (absPos: number) {\n logger.log('INFO', 'setCursor: ' + absPos);\n let row = this.rows[this.currRow];\n row.setCursor(absPos);\n }\n\n setPAC (pacData: PACData) {\n logger.log('INFO', 'pacData = ' + JSON.stringify(pacData));\n let newRow = pacData.row - 1;\n if (this.nrRollUpRows && newRow < this.nrRollUpRows - 1) {\n newRow = this.nrRollUpRows - 1;\n }\n\n // Make sure this only affects Roll-up Captions by checking this.nrRollUpRows\n if (this.nrRollUpRows && this.currRow !== newRow) {\n // clear all rows first\n for (let i = 0; i < NR_ROWS; i++) {\n this.rows[i].clear();\n }\n\n // Copy this.nrRollUpRows rows from lastOutputScreen and place it in the newRow location\n // topRowIndex - the start of rows to copy (inclusive index)\n let topRowIndex = this.currRow + 1 - (this.nrRollUpRows);\n // We only copy if the last position was already shown.\n // We use the cueStartTime value to check this.\n const lastOutputScreen = this.lastOutputScreen as any;\n if (lastOutputScreen) {\n let prevLineTime = lastOutputScreen.rows[topRowIndex].cueStartTime;\n if (prevLineTime && logger.time && prevLineTime < logger.time) {\n for (let i = 0; i < this.nrRollUpRows; i++) {\n this.rows[newRow - this.nrRollUpRows + i + 1].copy(lastOutputScreen.rows[topRowIndex + i]);\n }\n }\n }\n }\n\n this.currRow = newRow;\n let row = this.rows[this.currRow];\n if (pacData.indent !== null) {\n let indent = pacData.indent;\n let prevPos = Math.max(indent - 1, 0);\n row.setCursor(pacData.indent);\n pacData.color = row.chars[prevPos].penState.foreground;\n }\n let styles: PenStyles = { foreground: pacData.color, underline: pacData.underline, italics: pacData.italics, background: 'black', flash: false };\n this.setPen(styles);\n }\n\n /**\n * Set background/extra foreground, but first do back_space, and then insert space (backwards compatibility).\n */\n setBkgData (bkgData: Partial<PenStyles>) {\n logger.log('INFO', 'bkgData = ' + JSON.stringify(bkgData));\n this.backSpace();\n this.setPen(bkgData);\n this.insertChar(0x20); // Space\n }\n\n setRollUpRows (nrRows: number | null) {\n this.nrRollUpRows = nrRows;\n }\n\n rollUp () {\n if (this.nrRollUpRows === null) {\n logger.log('DEBUG', 'roll_up but nrRollUpRows not set yet');\n return; // Not properly setup\n }\n logger.log('TEXT', this.getDisplayText());\n let topRowIndex = this.currRow + 1 - this.nrRollUpRows;\n let topRow = this.rows.splice(topRowIndex, 1)[0];\n topRow.clear();\n this.rows.splice(this.currRow, 0, topRow);\n logger.log('INFO', 'Rolling up');\n // logger.log('TEXT', this.get_display_text())\n }\n\n /**\n * Get all non-empty rows with as unicode text.\n */\n getDisplayText (asOneRow?: boolean) {\n asOneRow = asOneRow || false;\n let displayText: string[] = [];\n let text = '';\n let rowNr = -1;\n for (let i = 0; i < NR_ROWS; i++) {\n let rowText = this.rows[i].getTextString();\n if (rowText) {\n rowNr = i + 1;\n if (asOneRow) {\n displayText.push('Row ' + rowNr + ': \\'' + rowText + '\\'');\n } else {\n displayText.push(rowText.trim());\n }\n }\n }\n if (displayText.length > 0) {\n if (asOneRow) {\n text = '[' + displayText.join(' | ') + ']';\n } else {\n text = displayText.join('\\n');\n }\n }\n return text;\n }\n\n getTextAndFormat () {\n return this.rows;\n }\n}\n\n// var modes = ['MODE_ROLL-UP', 'MODE_POP-ON', 'MODE_PAINT-ON', 'MODE_TEXT'];\n\ntype CaptionModes = 'MODE_ROLL-UP' | 'MODE_POP-ON' | 'MODE_PAINT-ON' | 'MODE_TEXT' | null;\n\nclass Cea608Channel {\n chNr: number;\n outputFilter: OutputFilter;\n mode: CaptionModes;\n verbose: number;\n displayedMemory: CaptionScreen;\n nonDisplayedMemory: CaptionScreen;\n lastOutputScreen: CaptionScreen;\n currRollUpRow: Row;\n writeScreen: CaptionScreen;\n cueStartTime: number | null;\n lastCueEndTime: null;\n constructor (channelNumber: number, outputFilter: OutputFilter) {\n this.chNr = channelNumber;\n this.outputFilter = outputFilter;\n this.mode = null;\n this.verbose = 0;\n this.displayedMemory = new CaptionScreen();\n this.nonDisplayedMemory = new CaptionScreen();\n this.lastOutputScreen = new CaptionScreen();\n this.currRollUpRow = this.displayedMemory.rows[NR_ROWS - 1];\n this.writeScreen = this.displayedMemory;\n this.mode = null;\n this.cueStartTime = null; // Keeps track of where a cue started.\n }\n\n reset () {\n this.mode = null;\n this.displayedMemory.reset();\n this.nonDisplayedMemory.reset();\n this.lastOutputScreen.reset();\n this.currRollUpRow = this.displayedMemory.rows[NR_ROWS - 1];\n this.writeScreen = this.displayedMemory;\n this.mode = null;\n this.cueStartTime = null;\n }\n\n getHandler (): OutputFilter {\n return this.outputFilter;\n }\n\n setHandler (newHandler: OutputFilter) {\n this.outputFilter = newHandler;\n }\n\n setPAC (pacData: PACData) {\n this.writeScreen.setPAC(pacData);\n }\n\n setBkgData (bkgData: Partial<PenStyles>) {\n this.writeScreen.setBkgData(bkgData);\n }\n\n setMode (newMode: CaptionModes) {\n if (newMode === this.mode) {\n return;\n }\n\n this.mode = newMode;\n logger.log('INFO', 'MODE=' + newMode);\n if (this.mode === 'MODE_POP-ON') {\n this.writeScreen = this.nonDisplayedMemory;\n } else {\n this.writeScreen = this.displayedMemory;\n this.writeScreen.reset();\n }\n if (this.mode !== 'MODE_ROLL-UP') {\n this.displayedMemory.nrRollUpRows = null;\n this.nonDisplayedMemory.nrRollUpRows = null;\n }\n this.mode = newMode;\n }\n\n insertChars (chars: number[]) {\n for (let i = 0; i < chars.length; i++) {\n this.writeScreen.insertChar(chars[i]);\n }\n\n let screen = this.writeScreen === this.displayedMemory ? 'DISP' : 'NON_DISP';\n logger.log('INFO', screen + ': ' + this.writeScreen.getDisplayText(true));\n if (this.mode === 'MODE_PAINT-ON' || this.mode === 'MODE_ROLL-UP') {\n logger.log('TEXT', 'DISPLAYED: ' + this.displayedMemory.getDisplayText(true));\n this.outputDataUpdate();\n }\n }\n\n ccRCL () { // Resume Caption Loading (switch mode to Pop On)\n logger.log('INFO', 'RCL - Resume Caption Loading');\n this.setMode('MODE_POP-ON');\n }\n\n ccBS () { // BackSpace\n logger.log('INFO', 'BS - BackSpace');\n if (this.mode === 'MODE_TEXT') {\n return;\n }\n\n this.writeScreen.backSpace();\n if (this.writeScreen === this.displayedMemory) {\n this.outputDataUpdate();\n }\n }\n\n ccAOF () { // Reserved (formerly Alarm Off)\n\n }\n\n ccAON () { // Reserved (formerly Alarm On)\n\n }\n\n ccDER () { // Delete to End of Row\n logger.log('INFO', 'DER- Delete to End of Row');\n this.writeScreen.clearToEndOfRow();\n this.outputDataUpdate();\n }\n\n ccRU (nrRows: number | null) { // Roll-Up Captions-2,3,or 4 Rows\n logger.log('INFO', 'RU(' + nrRows + ') - Roll Up');\n this.writeScreen = this.displayedMemory;\n this.setMode('MODE_ROLL-UP');\n this.writeScreen.setRollUpRows(nrRows);\n }\n\n ccFON () { // Flash On\n logger.log('INFO', 'FON - Flash On');\n this.writeScreen.setPen({ flash: true });\n }\n\n ccRDC () { // Resume Direct Captioning (switch mode to PaintOn)\n logger.log('INFO', 'RDC - Resume Direct Captioning');\n this.setMode('MODE_PAINT-ON');\n }\n\n ccTR () { // Text Restart in text mode (not supported, however)\n logger.log('INFO', 'TR');\n this.setMode('MODE_TEXT');\n }\n\n ccRTD () { // Resume Text Display in Text mode (not supported, however)\n logger.log('INFO', 'RTD');\n this.setMode('MODE_TEXT');\n }\n\n ccEDM () { // Erase Displayed Memory\n logger.log('INFO', 'EDM - Erase Displayed Memory');\n this.displayedMemory.reset();\n this.outputDataUpdate(true);\n }\n\n ccCR () { // Carriage Return\n logger.log('INFO', 'CR - Carriage Return');\n this.writeScreen.rollUp();\n this.outputDataUpdate(true);\n }\n\n ccENM () { // Erase Non-Displayed Memory\n logger.log('INFO', 'ENM - Erase Non-displayed Memory');\n this.nonDisplayedMemory.reset();\n }\n\n ccEOC () { // End of Caption (Flip Memories)\n logger.log('INFO', 'EOC - End Of Caption');\n if (this.mode === 'MODE_POP-ON') {\n let tmp = this.displayedMemory;\n this.displayedMemory = this.nonDisplayedMemory;\n this.nonDisplayedMemory = tmp;\n this.writeScreen = this.nonDisplayedMemory;\n logger.log('TEXT', 'DISP: ' + this.displayedMemory.getDisplayText());\n }\n this.outputDataUpdate(true);\n }\n\n ccTO (nrCols: number) { // Tab Offset 1,2, or 3 columns\n logger.log('INFO', 'TO(' + nrCols + ') - Tab Offset');\n this.writeScreen.moveCursor(nrCols);\n }\n\n ccMIDROW (secondByte: number) { // Parse MIDROW command\n let styles: Partial<PenStyles> = { flash: false };\n styles.underline = secondByte % 2 === 1;\n styles.italics = secondByte >= 0x2e;\n if (!styles.italics) {\n let colorIndex = Math.floor(secondByte / 2) - 0x10;\n let colors = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta'];\n styles.foreground = colors[colorIndex];\n } else {\n styles.foreground = 'white';\n }\n logger.log('INFO', 'MIDROW: ' + JSON.stringify(styles));\n this.writeScreen.setPen(styles);\n }\n\n outputDataUpdate (dispatch = false) {\n let t = logger.time;\n if (t === null) {\n return;\n }\n\n if (this.outputFilter) {\n if (this.cueStartTime === null && !this.displayedMemory.isEmpty()) { // Start of a new cue\n this.cueStartTime = t;\n } else {\n if (!this.displayedMemory.equals(this.lastOutputScreen)) {\n this.outputFilter.newCue(this.cueStartTime!, t, this.lastOutputScreen);\n if (dispatch && this.outputFilter.dispatchCue) {\n this.outputFilter.dispatchCue();\n }\n\n this.cueStartTime = this.displayedMemory.isEmpty() ? null : t;\n }\n }\n this.lastOutputScreen.copy(this.displayedMemory);\n }\n }\n\n cueSplitAtTime (t: number) {\n if (this.outputFilter) {\n if (!this.displayedMemory.isEmpty()) {\n if (this.outputFilter.newCue) {\n this.outputFilter.newCue(this.cueStartTime!, t, this.displayedMemory);\n }\n\n this.cueStartTime = t;\n }\n }\n }\n}\n\ninterface PACData {\n row: number;\n indent: number | null;\n color: string | null;\n underline: boolean;\n italics: boolean;\n}\n\nclass Cea608Parser {\n field: number;\n outputs: OutputFilter[];\n channels: Cea608Channel[];\n currChNr: number;\n lastCmdA: number | null;\n lastCmdB: number | null;\n lastTime: number | null;\n dataCounters: { 'padding': number; 'char': number; 'cmd': number; 'other': number; };\n constructor (field: number, out1: OutputFilter, out2: OutputFilter) {\n this.field = field || 1;\n this.outputs = [out1, out2];\n this.channels = [new Cea608Channel(1, out1), new Cea608Channel(2, out2)];\n this.currChNr = -1; // Will be 1 or 2\n this.lastCmdA = null; // First byte of last command\n this.lastCmdB = null; // Second byte of last command\n this.lastTime = null;\n this.dataCounters = { 'padding': 0, 'char': 0, 'cmd': 0, 'other': 0 };\n }\n\n getHandler (index: number) {\n return this.channels[index].getHandler();\n }\n\n setHandler (index: number, newHandler: OutputFilter) {\n this.channels[index].setHandler(newHandler);\n }\n\n /**\n * Add data for time t in forms of list of bytes (unsigned ints). The bytes are treated as pairs.\n */\n addData (t: number | null, byteList: number[]) {\n let cmdFound: boolean, a: number, b: number,\n charsFound: number[] | boolean | null = false;\n\n this.lastTime = t;\n logger.setTime(t);\n\n for (let i = 0; i < byteList.length; i += 2) {\n a = byteList[i] & 0x7f;\n b = byteList[i + 1] & 0x7f;\n if (a === 0 && b === 0) {\n this.dataCounters.padding += 2;\n continue;\n } else {\n logger.log('DATA', '[' + numArrayToHexArray([byteList[i], byteList[i + 1]]) + '] -> (' + numArrayToHexArray([a, b]) + ')');\n }\n cmdFound = this.parseCmd(a, b);\n if (!cmdFound) {\n cmdFound = this.parseMidrow(a, b);\n }\n\n if (!cmdFound) {\n cmdFound = this.parsePAC(a, b);\n }\n\n if (!cmdFound) {\n cmdFound = this.parseBackgroundAttributes(a, b);\n }\n\n if (!cmdFound) {\n charsFound = this.parseChars(a, b);\n if (charsFound) {\n if (this.currChNr && this.currChNr >= 0) {\n let channel = this.channels[this.currChNr - 1];\n channel.insertChars(charsFound);\n } else {\n logger.log('WARNING', 'No channel found yet. TEXT-MODE?');\n }\n }\n }\n if (cmdFound) {\n this.dataCounters.cmd += 2;\n } else if (charsFound) {\n this.dataCounters.char += 2;\n } else {\n this.dataCounters.other += 2;\n logger.log('WARNING', 'Couldn\\'t parse cleaned data ' + numArrayToHexArray([a, b]) +\n ' orig: ' + numArrayToHexArray([byteList[i], byteList[i + 1]]));\n }\n }\n }\n\n /**\n * Parse Command.\n * @returns {Boolean} Tells if a command was found\n */\n parseCmd (a: number, b: number): boolean {\n let chNr: number | null = null;\n\n let cond1 = (a === 0x14 || a === 0x1C) && (b >= 0x20 && b <= 0x2F);\n let cond2 = (a === 0x17 || a === 0x1F) && (b >= 0x21 && b <= 0x23);\n if (!(cond1 || cond2)) {\n return false;\n }\n\n if (a === this.lastCmdA && b === this.lastCmdB) {\n this.lastCmdA = null;\n this.lastCmdB = null; // Repeated commands are dropped (once)\n logger.log('DEBUG', 'Repeated command (' + numArrayToHexArray([a, b]) + ') is dropped');\n return true;\n }\n\n if (a === 0x14 || a === 0x17) {\n chNr = 1;\n } else {\n chNr = 2;\n } // (a === 0x1C || a=== 0x1f)\n\n let channel = this.channels[chNr - 1];\n\n if (a === 0x14 || a === 0x1C) {\n if (b === 0x20) {\n channel.ccRCL();\n } else if (b === 0x21) {\n channel.ccBS();\n } else if (b === 0x22) {\n channel.ccAOF();\n } else if (b === 0x23) {\n channel.ccAON();\n } else if (b === 0x24) {\n channel.ccDER();\n } else if (b === 0x25) {\n channel.ccRU(2);\n } else if (b === 0x26) {\n channel.ccRU(3);\n } else if (b === 0x27) {\n channel.ccRU(4);\n } else if (b === 0x28) {\n channel.ccFON();\n } else if (b === 0x29) {\n channel.ccRDC();\n } else if (b === 0x2A) {\n channel.ccTR();\n } else if (b === 0x2B) {\n channel.ccRTD();\n } else if (b === 0x2C) {\n channel.ccEDM();\n } else if (b === 0x2D) {\n channel.ccCR();\n } else if (b === 0x2E) {\n channel.ccENM();\n } else if (b === 0x2F) {\n channel.ccEOC();\n }\n } else { // a == 0x17 || a == 0x1F\n channel.ccTO(b - 0x20);\n }\n this.lastCmdA = a;\n this.lastCmdB = b;\n this.currChNr = chNr;\n return true;\n }\n\n /**\n * Parse midrow styling command\n * @returns {Boolean}\n */\n parseMidrow (a: number, b: number): boolean {\n let chNr: number | null = null;\n\n if (((a === 0x11) || (a === 0x19)) && b >= 0x20 && b <= 0x2f) {\n if (a === 0x11) {\n chNr = 1;\n } else {\n chNr = 2;\n }\n\n if (chNr !== this.currChNr) {\n logger.log('ERROR', 'Mismatch channel in midrow parsing');\n return false;\n }\n let channel = this.channels[chNr - 1];\n channel.ccMIDROW(b);\n logger.log('DEBUG', 'MIDROW (' + numArrayToHexArray([a, b]) + ')');\n return true;\n }\n return false;\n }\n /**\n * Parse Preable Access Codes (Table 53).\n * @returns {Boolean} Tells if PAC found\n */\n parsePAC (a: number, b: number): boolean {\n let chNr: number | null = null;\n let row: number | null = null;\n\n let case1 = ((a >= 0x11 && a <= 0x17) || (a >= 0x19 && a <= 0x1F)) && (b >= 0x40 && b <= 0x7F);\n let case2 = (a === 0x10 || a === 0x18) && (b >= 0x40 && b <= 0x5F);\n if (!(case1 || case2)) {\n return false;\n }\n\n if (a === this.lastCmdA && b === this.lastCmdB) {\n this.lastCmdA = null;\n this.lastCmdB = null;\n return true; // Repeated commands are dropped (once)\n }\n\n chNr = (a <= 0x17) ? 1 : 2;\n\n if (b >= 0x40 && b <= 0x5F) {\n row = (chNr === 1) ? rowsLowCh1[a] : rowsLowCh2[a];\n } else { // 0x60 <= b <= 0x7F\n row = (chNr === 1) ? rowsHighCh1[a] : rowsHighCh2[a];\n }\n let pacData = this.interpretPAC(row!, b);\n let channel = this.channels[chNr - 1];\n channel.setPAC(pacData);\n this.lastCmdA = a;\n this.lastCmdB = b;\n this.currChNr = chNr;\n return true;\n }\n\n /**\n * Interpret the second byte of the pac, and return the information.\n * @returns {Object} pacData with style parameters.\n */\n interpretPAC (row: number, byte: number): PACData {\n let pacIndex = byte;\n let pacData: PACData = { color: null, italics: false, indent: null, underline: false, row: row };\n\n if (byte > 0x5F) {\n pacIndex = byte - 0x60;\n } else {\n pacIndex = byte - 0x40;\n }\n\n pacData.underline = (pacIndex & 1) === 1;\n if (pacIndex <= 0xd) {\n pacData.color = ['white', 'green', 'blue', 'cyan', 'red', 'yellow', 'magenta', 'white'][Math.floor(pacIndex / 2)];\n } else if (pacIndex <= 0xf) {\n pacData.italics = true;\n pacData.color = 'white';\n } else {\n pacData.indent = (Math.floor((pacIndex - 0x10) / 2)) * 4;\n }\n return pacData; // Note that row has zero offset. The spec uses 1.\n }\n\n /**\n * Parse characters.\n * @returns An array with 1 to 2 codes corresponding to chars, if found. null otherwise.\n */\n parseChars (a: number, b: number): number[] | null {\n let channelNr: number | null = null,\n charCodes: number[] | null = null,\n charCode1: number | null = null;\n\n if (a >= 0x19) {\n channelNr = 2;\n charCode1 = a - 8;\n } else {\n channelNr = 1;\n charCode1 = a;\n }\n if (charCode1 >= 0x11 && charCode1 <= 0x13) {\n // Special character\n let oneCode = b;\n if (charCode1 === 0x11) {\n oneCode = b + 0x50;\n } else if (charCode1 === 0x12) {\n oneCode = b + 0x70;\n } else {\n oneCode = b + 0x90;\n }\n\n logger.log('INFO', 'Special char \\'' + getCharForByte(oneCode) + '\\' in channel ' + channelNr);\n charCodes = [oneCode];\n } else if (a >= 0x20 && a <= 0x7f) {\n charCodes = (b === 0) ? [a] : [a, b];\n }\n if (charCodes) {\n let hexCodes = numArrayToHexArray(charCodes);\n logger.log('DEBUG', 'Char codes = ' + hexCodes.join(','));\n this.lastCmdA = null;\n this.lastCmdB = null;\n }\n return charCodes;\n }\n\n /**\n * Parse extended background attributes as well as new foreground color black.\n * @returns {Boolean} Tells if background attributes are found\n */\n parseBackgroundAttributes (a: number, b: number): boolean {\n let bkgData: Partial<PenStyles>,\n index: number,\n chNr: number,\n channel: Cea608Channel;\n\n let case1 = (a === 0x10 || a === 0x18) && (b >= 0x20 && b <= 0x2f);\n let case2 = (a === 0x17 || a === 0x1f) && (b >= 0x2d && b <= 0x2f);\n if (!(case1 || case2)) {\n return false;\n }\n\n bkgData = {};\n if (a === 0x10 || a === 0x18) {\n index = Math.floor((b - 0x20) / 2);\n bkgData.background = backgroundColors[index];\n if (b % 2 === 1) {\n bkgData.background = bkgData.background + '_semi';\n }\n } else if (b === 0x2d) {\n bkgData.background = 'transparent';\n } else {\n bkgData.foreground = 'black';\n if (b === 0x2f) {\n bkgData.underline = true;\n }\n }\n chNr = (a < 0x18) ? 1 : 2;\n channel = this.channels[chNr - 1];\n channel.setBkgData(bkgData);\n this.lastCmdA = null;\n this.lastCmdB = null;\n return true;\n }\n\n /**\n * Reset state of parser and its channels.\n */\n reset () {\n for (let i = 0; i < this.channels.length; i++) {\n if (this.channels[i]) {\n this.channels[i].reset();\n }\n }\n this.lastCmdA = null;\n this.lastCmdB = null;\n }\n\n /**\n * Trigger the generation of a cue, and the start of a new one if displayScreens are not empty.\n */\n cueSplitAtTime (t: number) {\n for (let i = 0; i < this.channels.length; i++) {\n if (this.channels[i]) {\n this.channels[i].cueSplitAtTime(t);\n }\n }\n }\n}\n\nexport default Cea608Parser;\n","import { CaptionScreen } from './cea-608-parser';\n\nexport default class OutputFilter {\n timelineController: any;\n trackName: string;\n startTime: number | null;\n endTime: number | null;\n screen: CaptionScreen | null;\n\n // TODO(typescript-timelineController)\n constructor (timelineController: any, trackName: string) {\n this.timelineController = timelineController;\n this.trackName = trackName;\n this.startTime = null;\n this.endTime = null;\n this.screen = null;\n }\n\n dispatchCue () {\n if (this.startTime === null) {\n return;\n }\n\n this.timelineController.addCues(this.trackName, this.startTime, this.endTime, this.screen);\n this.startTime = null;\n }\n\n newCue (startTime: number, endTime: number, screen: CaptionScreen) {\n if (this.startTime === null || this.startTime > startTime) {\n this.startTime = startTime;\n }\n\n this.endTime = endTime;\n this.screen = screen;\n this.timelineController.createCaptionsTrack(this.trackName);\n }\n}\n","import VTTParser from './vttparser';\nimport { utf8ArrayToStr } from '../demux/id3';\nimport { toMpegTsClockFromTimescale } from './timescale-conversion';\nimport { normalizePts } from '../remux/mp4-remuxer';\nimport { VTTCCs } from '../types/vtt';\n\nconst LINEBREAKS = /\\r\\n|\\n\\r|\\n|\\r/g;\n\n// String.prototype.startsWith is not supported in IE11\nconst startsWith = function (\n inputString: string,\n searchString: string,\n position: number = 0\n) {\n return inputString.substr(position, searchString.length) === searchString;\n};\n\nconst cueString2millis = function (timeString: string) {\n let ts = parseInt(timeString.substr(-3));\n const secs = parseInt(timeString.substr(-6, 2));\n const mins = parseInt(timeString.substr(-9, 2));\n const hours =\n timeString.length > 9\n ? parseInt(timeString.substr(0, timeString.indexOf(':')))\n : 0;\n\n if (\n !Number.isFinite(ts) ||\n !Number.isFinite(secs) ||\n !Number.isFinite(mins) ||\n !Number.isFinite(hours)\n ) {\n throw Error(`Malformed X-TIMESTAMP-MAP: Local:${timeString}`);\n }\n\n ts += 1000 * secs;\n ts += 60 * 1000 * mins;\n ts += 60 * 60 * 1000 * hours;\n\n return ts;\n};\n\n// From https://github.com/darkskyapp/string-hash\nconst hash = function (text: string) {\n let hash = 5381;\n let i = text.length;\n while (i) {\n hash = (hash * 33) ^ text.charCodeAt(--i);\n }\n\n return (hash >>> 0).toString();\n};\n\n// Create a unique hash id for a cue based on start/end times and text.\n// This helps timeline-controller to avoid showing repeated captions.\nexport function generateCueId(\n startTime: number,\n endTime: number,\n text: string\n) {\n return hash(startTime.toString()) + hash(endTime.toString()) + hash(text);\n}\n\nconst calculateOffset = function (vttCCs: VTTCCs, cc, presentationTime) {\n let currCC = vttCCs[cc];\n let prevCC = vttCCs[currCC.prevCC];\n\n // This is the first discontinuity or cues have been processed since the last discontinuity\n // Offset = current discontinuity time\n if (!prevCC || (!prevCC.new && currCC.new)) {\n vttCCs.ccOffset = vttCCs.presentationOffset = currCC.start;\n currCC.new = false;\n return;\n }\n\n // There have been discontinuities since cues were last parsed.\n // Offset = time elapsed\n while (prevCC && prevCC.new) {\n vttCCs.ccOffset += currCC.start - prevCC.start;\n currCC.new = false;\n currCC = prevCC;\n prevCC = vttCCs[currCC.prevCC];\n }\n\n vttCCs.presentationOffset = presentationTime;\n};\n\nexport function parseWebVTT(\n vttByteArray: ArrayBuffer,\n initPTS: number,\n timescale: number,\n vttCCs: VTTCCs,\n cc: number,\n timeOffset: number,\n callBack: (cues: VTTCue[]) => void,\n errorCallBack: (error: Error) => void\n) {\n const parser = new VTTParser();\n // Convert byteArray into string, replacing any somewhat exotic linefeeds with \"\\n\", then split on that character.\n // Uint8Array.prototype.reduce is not implemented in IE11\n const vttLines = utf8ArrayToStr(new Uint8Array(vttByteArray))\n .trim()\n .replace(LINEBREAKS, '\\n')\n .split('\\n');\n const cues: VTTCue[] = [];\n const initPTS90Hz = toMpegTsClockFromTimescale(initPTS, timescale);\n let cueTime = '00:00.000';\n let timestampMapMPEGTS = 0;\n let timestampMapLOCAL = 0;\n let parsingError: Error;\n let inHeader = true;\n let timestampMap = false;\n\n parser.oncue = function (cue: VTTCue) {\n // Adjust cue timing; clamp cues to start no earlier than - and drop cues that don't end after - 0 on timeline.\n const currCC = vttCCs[cc];\n let cueOffset = vttCCs.ccOffset;\n\n // Calculate subtitle PTS offset\n const webVttMpegTsMapOffset = (timestampMapMPEGTS - initPTS90Hz) / 90000;\n\n // Update offsets for new discontinuities\n if (currCC && currCC.new) {\n if (timestampMapLOCAL !== undefined) {\n // When local time is provided, offset = discontinuity start time - local time\n cueOffset = vttCCs.ccOffset = currCC.start;\n } else {\n calculateOffset(vttCCs, cc, webVttMpegTsMapOffset);\n }\n }\n\n if (webVttMpegTsMapOffset) {\n // If we have MPEGTS, offset = presentation time + discontinuity offset\n cueOffset = webVttMpegTsMapOffset - vttCCs.presentationOffset;\n }\n\n if (timestampMap) {\n const duration = cue.endTime - cue.startTime;\n const startTime =\n normalizePts(\n (cue.startTime + cueOffset - timestampMapLOCAL) * 90000,\n timeOffset * 90000\n ) / 90000;\n cue.startTime = startTime;\n cue.endTime = startTime + duration;\n }\n\n //trim trailing webvtt block whitespaces\n const text = cue.text.trim();\n\n // Fix encoding of special characters\n cue.text = decodeURIComponent(encodeURIComponent(text));\n\n // If the cue was not assigned an id from the VTT file (line above the content), create one.\n if (!cue.id) {\n cue.id = generateCueId(cue.startTime, cue.endTime, text);\n }\n\n if (cue.endTime > 0) {\n cues.push(cue);\n }\n };\n\n parser.onparsingerror = function (error: Error) {\n parsingError = error;\n };\n\n parser.onflush = function () {\n if (parsingError) {\n errorCallBack(parsingError);\n return;\n }\n callBack(cues);\n };\n\n // Go through contents line by line.\n vttLines.forEach((line) => {\n if (inHeader) {\n // Look for X-TIMESTAMP-MAP in header.\n if (startsWith(line, 'X-TIMESTAMP-MAP=')) {\n // Once found, no more are allowed anyway, so stop searching.\n inHeader = false;\n timestampMap = true;\n // Extract LOCAL and MPEGTS.\n line\n .substr(16)\n .split(',')\n .forEach((timestamp) => {\n if (startsWith(timestamp, 'LOCAL:')) {\n cueTime = timestamp.substr(6);\n } else if (startsWith(timestamp, 'MPEGTS:')) {\n timestampMapMPEGTS = parseInt(timestamp.substr(7));\n }\n });\n try {\n // Convert cue time to seconds\n timestampMapLOCAL = cueString2millis(cueTime) / 1000;\n } catch (error) {\n timestampMap = false;\n parsingError = error;\n }\n // Return without parsing X-TIMESTAMP-MAP line.\n return;\n } else if (line === '') {\n inHeader = false;\n }\n }\n // Parse line by default.\n parser.parse(line + '\\n');\n });\n\n parser.flush();\n}\n","import Event from '../events';\nimport EventHandler from '../event-handler';\nimport Cea608Parser, { CaptionScreen } from '../utils/cea-608-parser';\nimport OutputFilter from '../utils/output-filter';\nimport { parseWebVTT } from '../utils/webvtt-parser';\nimport { logger } from '../utils/logger';\nimport { sendAddTrackEvent, clearCurrentCues } from '../utils/texttrack-utils';\nimport Fragment from '../loader/fragment';\nimport { HlsConfig } from '../config';\n\n// TS todo: Reduce usage of any\nclass TimelineController extends EventHandler {\n private media: HTMLMediaElement | null = null;\n private config: HlsConfig;\n private enabled: boolean = true;\n private Cues: any;\n private textTracks: Array<TextTrack> = [];\n private tracks: Array<any> = [];\n private initPTS: Array<number> = [];\n private timescale: Array<number> = [];\n private unparsedVttFrags: Array<{frag: Fragment, payload: any}> = [];\n private cueRanges: Array<any> = [];\n private captionsTracks: any = {};\n private captionsProperties: any;\n private cea608Parser!: Cea608Parser;\n private lastSn: number = -1;\n private prevCC: number = -1;\n private vttCCs: any = null;\n\n constructor (hls) {\n super(hls, Event.MEDIA_ATTACHING,\n Event.MEDIA_DETACHING,\n Event.FRAG_PARSING_USERDATA,\n Event.FRAG_DECRYPTED,\n Event.MANIFEST_LOADING,\n Event.MANIFEST_LOADED,\n Event.FRAG_LOADED,\n Event.INIT_PTS_FOUND);\n\n this.hls = hls;\n this.config = hls.config;\n this.Cues = hls.config.cueHandler;\n\n this.captionsProperties = {\n textTrack1: {\n label: this.config.captionsTextTrack1Label,\n languageCode: this.config.captionsTextTrack1LanguageCode\n },\n textTrack2: {\n label: this.config.captionsTextTrack2Label,\n languageCode: this.config.captionsTextTrack2LanguageCode\n }\n };\n\n if (this.config.enableCEA708Captions) {\n const channel1 = new OutputFilter(this, 'textTrack1');\n const channel2 = new OutputFilter(this, 'textTrack2');\n this.cea608Parser = new Cea608Parser(0, channel1, channel2);\n }\n }\n\n addCues (trackName: string, startTime: number, endTime: number, screen: CaptionScreen) {\n // skip cues which overlap more than 50% with previously parsed time ranges\n const ranges = this.cueRanges;\n let merged = false;\n for (let i = ranges.length; i--;) {\n let cueRange = ranges[i];\n let overlap = intersection(cueRange[0], cueRange[1], startTime, endTime);\n if (overlap >= 0) {\n cueRange[0] = Math.min(cueRange[0], startTime);\n cueRange[1] = Math.max(cueRange[1], endTime);\n merged = true;\n if ((overlap / (endTime - startTime)) > 0.5) {\n return;\n }\n }\n }\n if (!merged) {\n ranges.push([startTime, endTime]);\n }\n\n this.Cues.newCue(this.captionsTracks[trackName], startTime, endTime, screen);\n }\n\n // Triggered when an initial PTS is found; used for synchronisation of WebVTT.\n onInitPtsFound (data: { id: string, frag: Fragment, initPTS: number, timescale: number }) {\n const { frag, id, initPTS, timescale } = data;\n const { unparsedVttFrags } = this;\n\n if (id === 'main') {\n this.initPTS[frag.cc] = initPTS;\n this.timescale[frag.cc] = timescale;\n }\n\n // Due to asynchronous processing, initial PTS may arrive later than the first VTT fragments are loaded.\n // Parse any unparsed fragments upon receiving the initial PTS.\n if (unparsedVttFrags.length) {\n this.unparsedVttFrags = [];\n unparsedVttFrags.forEach(frag => {\n this.onFragLoaded(frag);\n });\n }\n }\n\n getExistingTrack (trackName: string): TextTrack | null {\n const { media } = this;\n if (media) {\n for (let i = 0; i < media.textTracks.length; i++) {\n let textTrack = media.textTracks[i];\n if (textTrack[trackName]) {\n return textTrack;\n }\n }\n }\n return null;\n }\n\n createCaptionsTrack (trackName: string) {\n const { captionsProperties, captionsTracks, media } = this;\n const { label, languageCode } = captionsProperties[trackName];\n if (!captionsTracks[trackName]) {\n // Enable reuse of existing text track.\n const existingTrack = this.getExistingTrack(trackName);\n if (!existingTrack) {\n const textTrack = this.createTextTrack('captions', label, languageCode);\n if (textTrack) {\n // Set a special property on the track so we know it's managed by Hls.js\n textTrack[trackName] = true;\n captionsTracks[trackName] = textTrack;\n }\n } else {\n captionsTracks[trackName] = existingTrack;\n clearCurrentCues(captionsTracks[trackName]);\n sendAddTrackEvent(captionsTracks[trackName], media as HTMLMediaElement);\n }\n }\n }\n\n createTextTrack (kind: TextTrackKind, label: string, lang: string): TextTrack | undefined {\n const media = this.media;\n if (!media) {\n return;\n }\n return media.addTextTrack(kind, label, lang);\n }\n\n destroy () {\n super.destroy();\n }\n\n onMediaAttaching (data: { media: HTMLMediaElement }) {\n this.media = data.media;\n this._cleanTracks();\n }\n\n onMediaDetaching () {\n const { captionsTracks } = this;\n Object.keys(captionsTracks).forEach(trackName => {\n clearCurrentCues(captionsTracks[trackName]);\n delete captionsTracks[trackName];\n });\n }\n\n onManifestLoading () {\n this.lastSn = -1; // Detect discontiguity in fragment parsing\n this.prevCC = -1;\n this.vttCCs = { // Detect discontinuity in subtitle manifests\n ccOffset: 0,\n presentationOffset: 0,\n 0: {\n start: 0, prevCC: -1, new: false\n }\n };\n this.timescale = [];\n this._cleanTracks();\n }\n\n _cleanTracks () {\n // clear outdated subtitles\n const { media } = this;\n if (!media) {\n return;\n }\n const textTracks = media.textTracks;\n if (textTracks) {\n for (let i = 0; i < textTracks.length; i++) {\n clearCurrentCues(textTracks[i]);\n }\n }\n }\n\n onManifestLoaded (data: { subtitles: Array<any> }) {\n this.textTracks = [];\n this.unparsedVttFrags = this.unparsedVttFrags || [];\n this.initPTS = [];\n this.cueRanges = [];\n\n if (this.config.enableWebVTT) {\n this.tracks = data.subtitles || [];\n const inUseTracks = this.media ? this.media.textTracks : [];\n\n this.tracks.forEach((track, index) => {\n let textTrack;\n if (index < inUseTracks.length) {\n let inUseTrack: TextTrack | null = null;\n\n for (let i = 0; i < inUseTracks.length; i++) {\n if (canReuseVttTextTrack(inUseTracks[i], track)) {\n inUseTrack = inUseTracks[i];\n break;\n }\n }\n\n // Reuse tracks with the same label, but do not reuse 608/708 tracks\n if (inUseTrack) {\n textTrack = inUseTrack;\n }\n }\n if (!textTrack) {\n textTrack = this.createTextTrack('subtitles', track.name, track.lang);\n }\n\n if (track.default) {\n textTrack.mode = this.hls.subtitleDisplay ? 'showing' : 'hidden';\n } else {\n textTrack.mode = 'disabled';\n }\n\n this.textTracks.push(textTrack);\n });\n }\n }\n\n onFragLoaded (data: { frag: Fragment, payload: any }) {\n const { frag, payload } = data;\n const { cea608Parser, initPTS, lastSn, unparsedVttFrags } = this;\n if (frag.type === 'main') {\n const sn = frag.sn;\n // if this frag isn't contiguous, clear the parser so cues with bad start/end times aren't added to the textTrack\n if (frag.sn !== lastSn + 1) {\n if (cea608Parser) {\n cea608Parser.reset();\n }\n }\n this.lastSn = sn as number;\n } // eslint-disable-line brace-style\n // If fragment is subtitle type, parse as WebVTT.\n else if (frag.type === 'subtitle') {\n if (payload.byteLength) {\n // We need an initial synchronisation PTS. Store fragments as long as none has arrived.\n if (!Number.isFinite(initPTS[frag.cc])) {\n unparsedVttFrags.push(data);\n if (initPTS.length) {\n // finish unsuccessfully, otherwise the subtitle-stream-controller could be blocked from loading new frags.\n this.hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: false, frag });\n }\n return;\n }\n\n let decryptData = frag.decryptdata;\n // If the subtitles are not encrypted, parse VTTs now. Otherwise, we need to wait.\n if ((decryptData == null) || (decryptData.key == null) || (decryptData.method !== 'AES-128')) {\n this._parseVTTs(frag, payload);\n }\n } else {\n // In case there is no payload, finish unsuccessfully.\n this.hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: false, frag });\n }\n }\n }\n\n _parseVTTs (frag: Fragment, payload) {\n const { hls, prevCC, textTracks, vttCCs } = this;\n if (!vttCCs[frag.cc]) {\n vttCCs[frag.cc] = { start: frag.start, prevCC, new: true };\n this.prevCC = frag.cc;\n }\n // Parse the WebVTT file contents.\n parseWebVTT(\n payload,\n this.initPTS[frag.cc],\n this.timescale[frag.cc],\n vttCCs,\n frag.cc,\n frag.start,\n (cues) => {\n const currentTrack = textTracks[frag.level];\n // WebVTTParser.parse is an async method and if the currently selected text track mode is set to \"disabled\"\n // before parsing is done then don't try to access currentTrack.cues.getCueById as cues will be null\n // and trying to access getCueById method of cues will throw an exception\n if (currentTrack.mode === 'disabled') {\n hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: false, frag: frag });\n return;\n } \n let minStartTime = Number.MAX_SAFE_INTEGER;\n // Add cues and trigger event with success true.\n \n cues.forEach(cue => {\n //find the first cue in the entire cue set since its not always sorted\n minStartTime = Math.min(cue.startTime,minStartTime);\n // Sometimes there are cue overlaps on segmented vtts so the same\n // cue can appear more than once in different vtt files.\n // This avoid showing duplicated cues with same timecode and text.\n if (!currentTrack.cues.getCueById(cue.id)) {\n try {\n currentTrack.addCue(cue);\n if (!currentTrack.cues.getCueById(cue.id)) {\n throw new Error(`addCue is failed for: ${cue}`);\n }\n } catch (err) {\n logger.debug(`Failed occurred on adding cues: ${err}`);\n const textTrackCue = new (window as any).TextTrackCue(cue.startTime, cue.endTime, cue.text);\n textTrackCue.id = cue.id;\n currentTrack.addCue(textTrackCue);\n }\n }\n } \n );\n \n let liveSyncPosition = hls.streamController.liveSyncPosition;\n //need to remove cues only for live so if there is no sync position its a VOD\n // if there is a better way to detect live vs vod we can use it. \n while (cues.length > 0 && liveSyncPosition !== undefined ){\n //We remove cues which are more than 5 minutes old than the current cue\n if (currentTrack.cues[0].startTime < minStartTime - 300){\n currentTrack.removeCue(currentTrack.cues[0]);\n } else {\n break;\n }\n }\n hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: true, frag: frag });\n },\n (error) => {\n // Something went wrong while parsing. Trigger event with success false.\n logger.log(`Failed to parse VTT cue: ${error}`);\n hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: false, frag: frag });\n }\n );\n }\n\n onFragDecrypted (data: { frag: Fragment, payload: any}) {\n const { frag, payload } = data;\n if (frag.type === 'subtitle') {\n if (!Number.isFinite(this.initPTS[frag.cc])) {\n this.unparsedVttFrags.push(data);\n return;\n }\n\n this._parseVTTs(frag, payload);\n }\n }\n\n onFragParsingUserdata (data: { samples: Array<any> }) {\n if (!this.enabled || !this.cea608Parser) {\n return;\n }\n\n // If the event contains captions (found in the bytes property), push all bytes into the parser immediately\n // It will create the proper timestamps based on the PTS value\n for (let i = 0; i < data.samples.length; i++) {\n const ccBytes = data.samples[i].bytes;\n if (ccBytes) {\n const ccdatas = this.extractCea608Data(ccBytes);\n this.cea608Parser.addData(data.samples[i].pts, ccdatas);\n }\n }\n }\n\n extractCea608Data (byteArray: Uint8Array): Array<number> {\n let count = byteArray[0] & 31;\n let position = 2;\n let tmpByte, ccbyte1, ccbyte2, ccValid, ccType;\n let actualCCBytes: number[] = [];\n\n for (let j = 0; j < count; j++) {\n tmpByte = byteArray[position++];\n ccbyte1 = 0x7F & byteArray[position++];\n ccbyte2 = 0x7F & byteArray[position++];\n ccValid = (4 & tmpByte) !== 0;\n ccType = 3 & tmpByte;\n\n if (ccbyte1 === 0 && ccbyte2 === 0) {\n continue;\n }\n\n if (ccValid) {\n if (ccType === 0) { // || ccType === 1\n actualCCBytes.push(ccbyte1);\n actualCCBytes.push(ccbyte2);\n }\n }\n }\n return actualCCBytes;\n }\n}\n\nfunction canReuseVttTextTrack (inUseTrack, manifestTrack): boolean {\n return inUseTrack && inUseTrack.label === manifestTrack.name && !(inUseTrack.textTrack1 || inUseTrack.textTrack2);\n}\n\nfunction intersection (x1: number, x2: number, y1: number, y2: number): number {\n return Math.min(x2, y2) - Math.max(x1, y1);\n}\n\nexport default TimelineController;\n","import Event from '../events';\nimport EventHandler from '../event-handler';\nimport { logger } from '../utils/logger';\nimport { computeReloadInterval } from './level-helper';\nimport { clearCurrentCues } from '../utils/texttrack-utils';\n\nclass SubtitleTrackController extends EventHandler {\n constructor (hls) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.MANIFEST_LOADED,\n Event.SUBTITLE_TRACK_LOADED);\n this.tracks = [];\n this.trackId = -1;\n this.media = null;\n this.stopped = true;\n\n /**\n * @member {boolean} subtitleDisplay Enable/disable subtitle display rendering\n */\n this.subtitleDisplay = true;\n\n /**\n * Keeps reference to a default track id when media has not been attached yet\n * @member {number}\n */\n this.queuedDefaultTrack = null;\n }\n\n destroy () {\n EventHandler.prototype.destroy.call(this);\n }\n\n // Listen for subtitle track change, then extract the current track ID.\n onMediaAttached (data) {\n this.media = data.media;\n if (!this.media) {\n return;\n }\n\n if (Number.isFinite(this.queuedDefaultTrack)) {\n this.subtitleTrack = this.queuedDefaultTrack;\n this.queuedDefaultTrack = null;\n }\n\n this.trackChangeListener = this._onTextTracksChanged.bind(this);\n\n this.useTextTrackPolling = !(this.media.textTracks && 'onchange' in this.media.textTracks);\n if (this.useTextTrackPolling) {\n this.subtitlePollingInterval = setInterval(() => {\n this.trackChangeListener();\n }, 500);\n } else {\n this.media.textTracks.addEventListener('change', this.trackChangeListener);\n }\n }\n\n onMediaDetaching () {\n if (!this.media) {\n return;\n }\n\n if (this.useTextTrackPolling) {\n clearInterval(this.subtitlePollingInterval);\n } else {\n this.media.textTracks.removeEventListener('change', this.trackChangeListener);\n }\n\n if (Number.isFinite(this.subtitleTrack)) {\n this.queuedDefaultTrack = this.subtitleTrack;\n }\n\n const textTracks = filterSubtitleTracks(this.media.textTracks);\n // Clear loaded cues on media detachment from tracks\n textTracks.forEach((track) => {\n clearCurrentCues(track);\n });\n // Disable all subtitle tracks before detachment so when reattached only tracks in that content are enabled.\n this.subtitleTrack = -1;\n this.media = null;\n }\n\n // Fired whenever a new manifest is loaded.\n onManifestLoaded (data) {\n let tracks = data.subtitles || [];\n this.tracks = tracks;\n this.hls.trigger(Event.SUBTITLE_TRACKS_UPDATED, { subtitleTracks: tracks });\n\n // loop through available subtitle tracks and autoselect default if needed\n // TODO: improve selection logic to handle forced, etc\n tracks.forEach(track => {\n if (track.default) {\n // setting this.subtitleTrack will trigger internal logic\n // if media has not been attached yet, it will fail\n // we keep a reference to the default track id\n // and we'll set subtitleTrack when onMediaAttached is triggered\n if (this.media) {\n this.subtitleTrack = track.id;\n } else {\n this.queuedDefaultTrack = track.id;\n }\n }\n });\n }\n\n onSubtitleTrackLoaded (data) {\n const { id, details } = data;\n const { trackId, tracks } = this;\n const currentTrack = tracks[trackId];\n if (id >= tracks.length || id !== trackId || !currentTrack || this.stopped) {\n this._clearReloadTimer();\n return;\n }\n\n logger.log(`subtitle track ${id} loaded`);\n if (details.live) {\n const reloadInterval = computeReloadInterval(currentTrack.details, details, data.stats.trequest);\n logger.log(`Reloading live subtitle playlist in ${reloadInterval}ms`);\n this.timer = setTimeout(() => {\n this._loadCurrentTrack();\n }, reloadInterval);\n } else {\n this._clearReloadTimer();\n }\n }\n\n startLoad () {\n this.stopped = false;\n this._loadCurrentTrack();\n }\n\n stopLoad () {\n this.stopped = true;\n this._clearReloadTimer();\n }\n\n /** get alternate subtitle tracks list from playlist **/\n get subtitleTracks () {\n return this.tracks;\n }\n\n /** get index of the selected subtitle track (index in subtitle track lists) **/\n get subtitleTrack () {\n return this.trackId;\n }\n\n /** select a subtitle track, based on its index in subtitle track lists**/\n set subtitleTrack (subtitleTrackId) {\n if (this.trackId !== subtitleTrackId) {\n this._toggleTrackModes(subtitleTrackId);\n this._setSubtitleTrackInternal(subtitleTrackId);\n }\n }\n\n _clearReloadTimer () {\n if (this.timer) {\n clearTimeout(this.timer);\n this.timer = null;\n }\n }\n\n _loadCurrentTrack () {\n const { trackId, tracks, hls } = this;\n const currentTrack = tracks[trackId];\n if (trackId < 0 || !currentTrack || (currentTrack.details && !currentTrack.details.live)) {\n return;\n }\n logger.log(`Loading subtitle track ${trackId}`);\n hls.trigger(Event.SUBTITLE_TRACK_LOADING, { url: currentTrack.url, id: trackId });\n }\n\n /**\n * Disables the old subtitleTrack and sets current mode on the next subtitleTrack.\n * This operates on the DOM textTracks.\n * A value of -1 will disable all subtitle tracks.\n * @param newId - The id of the next track to enable\n * @private\n */\n _toggleTrackModes (newId) {\n const { media, subtitleDisplay, trackId } = this;\n if (!media) {\n return;\n }\n\n const textTracks = filterSubtitleTracks(media.textTracks);\n if (newId === -1) {\n [].slice.call(textTracks).forEach(track => {\n track.mode = 'disabled';\n });\n } else {\n const oldTrack = textTracks[trackId];\n if (oldTrack) {\n oldTrack.mode = 'disabled';\n }\n }\n\n const nextTrack = textTracks[newId];\n if (nextTrack) {\n nextTrack.mode = subtitleDisplay ? 'showing' : 'hidden';\n }\n }\n\n /**\n * This method is responsible for validating the subtitle index and periodically reloading if live.\n * Dispatches the SUBTITLE_TRACK_SWITCH event, which instructs the subtitle-stream-controller to load the selected track.\n * @param newId - The id of the subtitle track to activate.\n */\n _setSubtitleTrackInternal (newId) {\n const { hls, tracks } = this;\n if (!Number.isFinite(newId) || newId < -1 || newId >= tracks.length) {\n return;\n }\n\n this.trackId = newId;\n logger.log(`Switching to subtitle track ${newId}`);\n hls.trigger(Event.SUBTITLE_TRACK_SWITCH, { id: newId });\n this._loadCurrentTrack();\n }\n\n _onTextTracksChanged () {\n // Media is undefined when switching streams via loadSource()\n if (!this.media) {\n return;\n }\n\n let trackId = -1;\n let tracks = filterSubtitleTracks(this.media.textTracks);\n for (let id = 0; id < tracks.length; id++) {\n if (tracks[id].mode === 'hidden') {\n // Do not break in case there is a following track with showing.\n trackId = id;\n } else if (tracks[id].mode === 'showing') {\n trackId = id;\n break;\n }\n }\n\n // Setting current subtitleTrack will invoke code.\n this.subtitleTrack = trackId;\n }\n}\n\nfunction filterSubtitleTracks (textTrackList) {\n let tracks = [];\n for (let i = 0; i < textTrackList.length; i++) {\n const track = textTrackList[i];\n // Edge adds a track without a label; we don't want to use it\n if (track.kind === 'subtitles' && track.label) {\n tracks.push(textTrackList[i]);\n }\n }\n return tracks;\n}\n\nexport default SubtitleTrackController;\n","/**\n * @see https://developer.mozilla.org/en-US/docs/Web/API/Navigator/requestMediaKeySystemAccess\n */\nexport enum KeySystems {\n WIDEVINE = 'com.widevine.alpha',\n PLAYREADY = 'com.microsoft.playready',\n}\n\nexport type MediaKeyFunc = (keySystem: KeySystems, supportedConfigurations: MediaKeySystemConfiguration[]) => Promise<MediaKeySystemAccess>;\nconst requestMediaKeySystemAccess = (function (): MediaKeyFunc | null {\n if (typeof window !== 'undefined' && window.navigator && window.navigator.requestMediaKeySystemAccess) {\n return window.navigator.requestMediaKeySystemAccess.bind(window.navigator);\n } else {\n return null;\n }\n})();\n\nexport {\n requestMediaKeySystemAccess\n};\n","/**\n * @class SubtitleStreamController\n */\n\nimport Event from '../events';\nimport { logger } from '../utils/logger';\nimport Decrypter from '../crypt/decrypter';\nimport { BufferHelper } from '../utils/buffer-helper';\nimport { findFragmentByPDT, findFragmentByPTS } from './fragment-finders';\nimport { FragmentState } from './fragment-tracker';\nimport BaseStreamController, { State } from './base-stream-controller';\nimport { mergeSubtitlePlaylists } from './level-helper';\n\nconst { performance } = window;\nconst TICK_INTERVAL = 500; // how often to tick in ms\n\nexport class SubtitleStreamController extends BaseStreamController {\n constructor (hls, fragmentTracker) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHING,\n Event.ERROR,\n Event.KEY_LOADED,\n Event.FRAG_LOADED,\n Event.SUBTITLE_TRACKS_UPDATED,\n Event.SUBTITLE_TRACK_SWITCH,\n Event.SUBTITLE_TRACK_LOADED,\n Event.SUBTITLE_FRAG_PROCESSED,\n Event.LEVEL_UPDATED);\n\n this.fragmentTracker = fragmentTracker;\n this.config = hls.config;\n this.state = State.STOPPED;\n this.tracks = [];\n this.tracksBuffered = [];\n this.currentTrackId = -1;\n this.decrypter = new Decrypter(hls, hls.config);\n // lastAVStart stores the time in seconds for the start time of a level load\n this.lastAVStart = 0;\n this._onMediaSeeking = this.onMediaSeeking.bind(this);\n }\n\n onSubtitleFragProcessed (data) {\n const { frag, success } = data;\n this.fragPrevious = frag;\n this.state = State.IDLE;\n if (!success) {\n return;\n }\n\n const buffered = this.tracksBuffered[this.currentTrackId];\n if (!buffered) {\n return;\n }\n\n // Create/update a buffered array matching the interface used by BufferHelper.bufferedInfo\n // so we can re-use the logic used to detect how much have been buffered\n let timeRange;\n const fragStart = frag.start;\n for (let i = 0; i < buffered.length; i++) {\n if (fragStart >= buffered[i].start && fragStart <= buffered[i].end) {\n timeRange = buffered[i];\n break;\n }\n }\n\n const fragEnd = frag.start + frag.duration;\n if (timeRange) {\n timeRange.end = fragEnd;\n } else {\n timeRange = {\n start: fragStart,\n end: fragEnd\n };\n buffered.push(timeRange);\n }\n }\n\n onMediaAttached ({ media }) {\n this.media = media;\n media.addEventListener('seeking', this._onMediaSeeking);\n this.state = State.IDLE;\n }\n\n onMediaDetaching () {\n if (!this.media) {\n return;\n }\n this.media.removeEventListener('seeking', this._onMediaSeeking);\n this.fragmentTracker.removeAllFragments();\n this.currentTrackId = -1;\n this.tracks.forEach((track) => {\n this.tracksBuffered[track.id] = [];\n });\n this.media = null;\n this.state = State.STOPPED;\n }\n\n // If something goes wrong, proceed to next frag, if we were processing one.\n onError (data) {\n //Commenting out this code since we need to reset the state for any error\n // let frag = data.frag;\n // // don't handle error not related to subtitle fragment\n // if (!frag || frag.type !== 'subtitle') {\n // return;\n // }\n this.state = State.IDLE;\n }\n\n // Got all new subtitle tracks.\n onSubtitleTracksUpdated (data) {\n logger.log('subtitle tracks updated');\n this.tracksBuffered = [];\n this.tracks = data.subtitleTracks;\n this.tracks.forEach((track) => {\n this.tracksBuffered[track.id] = [];\n });\n }\n\n onSubtitleTrackSwitch (data) {\n this.currentTrackId = data.id;\n\n if (!this.tracks || !this.tracks.length || this.currentTrackId === -1) {\n this.clearInterval();\n return;\n }\n\n // Check if track has the necessary details to load fragments\n const currentTrack = this.tracks[this.currentTrackId];\n if (currentTrack && currentTrack.details) {\n this.setInterval(TICK_INTERVAL);\n }\n }\n\n // Got a new set of subtitle fragments.\n onSubtitleTrackLoaded (data) {\n const { id, details } = data;\n const { currentTrackId, tracks } = this;\n const currentTrack = tracks[currentTrackId];\n if (id >= tracks.length || id !== currentTrackId || !currentTrack) {\n return;\n }\n\n if (details.live) {\n mergeSubtitlePlaylists(currentTrack.details, details, this.lastAVStart);\n }\n currentTrack.details = details;\n this.setInterval(TICK_INTERVAL);\n }\n\n onKeyLoaded () {\n if (this.state === State.KEY_LOADING) {\n this.state = State.IDLE;\n }\n }\n\n onFragLoaded (data) {\n const fragCurrent = this.fragCurrent;\n const decryptData = data.frag.decryptdata;\n const fragLoaded = data.frag;\n const hls = this.hls;\n\n if (this.state === State.FRAG_LOADING &&\n fragCurrent &&\n data.frag.type === 'subtitle' &&\n fragCurrent.sn === data.frag.sn) {\n // check to see if the payload needs to be decrypted\n if (data.payload.byteLength > 0 && (decryptData && decryptData.key && decryptData.method === 'AES-128')) {\n let startTime = performance.now();\n\n // decrypt the subtitles\n this.decrypter.decrypt(data.payload, decryptData.key.buffer, decryptData.iv.buffer, function (decryptedData) {\n let endTime = performance.now();\n hls.trigger(Event.FRAG_DECRYPTED, { frag: fragLoaded, payload: decryptedData, stats: { tstart: startTime, tdecrypt: endTime } });\n });\n }\n }\n }\n\n onLevelUpdated ({ details }) {\n const frags = details.fragments;\n this.lastAVStart = frags.length ? frags[0].start : 0;\n }\n\n doTick () {\n if (!this.media) {\n this.state = State.IDLE;\n return;\n }\n\n switch (this.state) {\n case State.IDLE: {\n const { config, currentTrackId, fragmentTracker, media, tracks } = this;\n if (!tracks || !tracks[currentTrackId] || !tracks[currentTrackId].details) {\n break;\n }\n\n const { maxBufferHole, maxFragLookUpTolerance } = config;\n const maxConfigBuffer = Math.min(config.maxBufferLength, config.maxMaxBufferLength);\n const bufferedInfo = BufferHelper.bufferedInfo(this._getBuffered(), media.currentTime, maxBufferHole);\n const { end: bufferEnd, len: bufferLen } = bufferedInfo;\n\n const trackDetails = tracks[currentTrackId].details;\n const fragments = trackDetails.fragments;\n const fragLen = fragments.length;\n const end = fragments[fragLen - 1].start + fragments[fragLen - 1].duration;\n\n if (bufferLen > maxConfigBuffer) {\n return;\n }\n\n let foundFrag;\n const fragPrevious = this.fragPrevious;\n if (bufferEnd < end) {\n if (fragPrevious && trackDetails.hasProgramDateTime) {\n foundFrag = findFragmentByPDT(fragments, fragPrevious.endProgramDateTime, maxFragLookUpTolerance);\n }\n if (!foundFrag) {\n foundFrag = findFragmentByPTS(fragPrevious, fragments, bufferEnd, maxFragLookUpTolerance);\n }\n if (!foundFrag && trackDetails.live && fragPrevious && fragPrevious.start < fragments[0].start) {\n /*\n below is a real world example of what can happen in production. \n \n fragPrevious s:04:08:44.000Z, e:04:08:49.000Z -- was found by PDT\n \n # response on subtitle/en/playlist.m3u8 on Nth call\n fragments[0]: s:04:08:24.000Z, e:04:08:29.000Z -- s:4532.900002, e:4537.900002\n fragments[1]: s:04:08:29.000Z, e:04:08:34.000Z -- s:4537.900002, e:4542.900002\n fragments[2]: s:04:08:34.000Z, e:04:08:39.000Z -- s:4542.900002, e:4547.900002\n fragments[3]: s:04:08:39.000Z, e:04:08:44.000Z -- s:4547.900002, e:4552.900002\n fragments[4]: s:04:08:44.000Z, e:04:08:49.000Z -- s:4552.900002, e:4557.900002\n\n # response on subtitle/en/playlist.m3u8 on (N+1)th call\n fragments[0]: s:04:08:54.000Z, e:04:08:59.000Z -- s:4562.900002, e:4567.900002\n fragments[1]: s:04:08:59.000Z, e:04:09:04.000Z -- s:4567.900002, e:4572.900002\n fragments[2]: s:04:09:04.000Z, e:04:09:09.000Z -- s:4572.900002, e:4577.900002\n fragments[3]: s:04:09:09.000Z, e:04:09:14.000Z -- s:4577.900002, e:4582.900002\n fragments[4]: s:04:09:14.000Z, e:04:09:19.000Z -- s:4582.900002, e:4587.900002\n\n # notice the gap from e:04:08:49.000Z to s:04:08:54.000Z, code below is to fix this issue\n */\n \n foundFrag = fragments[0];\n logger.warn(`Gap detected in live subtitle playlist, using next available fragment {start: ${foundFrag.start}}`);\n }\n\n } else {\n foundFrag = fragments[fragLen - 1];\n }\n\n if (foundFrag && foundFrag.encrypted) {\n logger.log(`Loading key for ${foundFrag.sn}`);\n this.state = State.KEY_LOADING;\n this.hls.trigger(Event.KEY_LOADING, { frag: foundFrag });\n } else if (foundFrag && this.fragmentTracker.getState(foundFrag) === FragmentState.NOT_LOADED) {\n // only load if fragment is not loaded \n this.fragCurrent = foundFrag;\n this.state = State.FRAG_LOADING;\n this.hls.trigger(Event.FRAG_LOADING, { frag: foundFrag });\n }\n }\n }\n }\n\n stopLoad () {\n this.lastAVStart = 0;\n super.stopLoad();\n }\n\n _getBuffered () {\n return this.tracksBuffered[this.currentTrackId] || [];\n }\n\n onMediaSeeking () {\n this.fragPrevious = null;\n }\n}\n","/**\n * @author Stephan Hesse <disparat@gmail.com> | <tchakabam@gmail.com>\n *\n * DRM support for Hls.js\n */\n\nimport EventHandler from '../event-handler';\nimport Event from '../events';\nimport { ErrorTypes, ErrorDetails } from '../errors';\n\nimport { logger } from '../utils/logger';\nimport { EMEControllerConfig } from '../config';\nimport { KeySystems, MediaKeyFunc } from '../utils/mediakeys-helper';\n\nconst MAX_LICENSE_REQUEST_FAILURES = 3;\n\n/**\n * @see https://developer.mozilla.org/en-US/docs/Web/API/MediaKeySystemConfiguration\n * @param {Array<string>} audioCodecs List of required audio codecs to support\n * @param {Array<string>} videoCodecs List of required video codecs to support\n * @param {object} drmSystemOptions Optional parameters/requirements for the key-system\n * @returns {Array<MediaSystemConfiguration>} An array of supported configurations\n */\n\nconst createWidevineMediaKeySystemConfigurations = function (audioCodecs: string[], videoCodecs: string[]): MediaKeySystemConfiguration[] { /* jshint ignore:line */\n const baseConfig: MediaKeySystemConfiguration = {\n // initDataTypes: ['keyids', 'mp4'],\n // label: \"\",\n // persistentState: \"not-allowed\", // or \"required\" ?\n // distinctiveIdentifier: \"not-allowed\", // or \"required\" ?\n // sessionTypes: ['temporary'],\n videoCapabilities: [] // { contentType: 'video/mp4; codecs=\"avc1.42E01E\"' }\n };\n\n videoCodecs.forEach((codec) => {\n baseConfig.videoCapabilities!.push({\n contentType: `video/mp4; codecs=\"${codec}\"`\n });\n });\n\n return [\n baseConfig\n ];\n};\n\n/**\n * The idea here is to handle key-system (and their respective platforms) specific configuration differences\n * in order to work with the local requestMediaKeySystemAccess method.\n *\n * We can also rule-out platform-related key-system support at this point by throwing an error.\n *\n * @param {string} keySystem Identifier for the key-system, see `KeySystems` enum\n * @param {Array<string>} audioCodecs List of required audio codecs to support\n * @param {Array<string>} videoCodecs List of required video codecs to support\n * @throws will throw an error if a unknown key system is passed\n * @returns {Array<MediaSystemConfiguration>} A non-empty Array of MediaKeySystemConfiguration objects\n */\nconst getSupportedMediaKeySystemConfigurations = function (keySystem: KeySystems, audioCodecs: string[], videoCodecs: string[]): MediaKeySystemConfiguration[] {\n switch (keySystem) {\n case KeySystems.WIDEVINE:\n return createWidevineMediaKeySystemConfigurations(audioCodecs, videoCodecs);\n default:\n throw new Error(`Unknown key-system: ${keySystem}`);\n }\n};\n\ninterface MediaKeysListItem {\n mediaKeys?: MediaKeys,\n mediaKeysSession?: MediaKeySession,\n mediaKeysSessionInitialized: boolean;\n mediaKeySystemAccess: MediaKeySystemAccess;\n mediaKeySystemDomain: KeySystems;\n}\n\n/**\n * Controller to deal with encrypted media extensions (EME)\n * @see https://developer.mozilla.org/en-US/docs/Web/API/Encrypted_Media_Extensions_API\n *\n * @class\n * @constructor\n */\nclass EMEController extends EventHandler {\n private _widevineLicenseUrl?: string;\n private _licenseXhrSetup?: (xhr: XMLHttpRequest, url: string) => void;\n private _emeEnabled: boolean;\n private _requestMediaKeySystemAccess: MediaKeyFunc | null\n\n private _config: EMEControllerConfig;\n private _mediaKeysList: MediaKeysListItem[] = [];\n private _media: HTMLMediaElement | null = null;\n private _hasSetMediaKeys: boolean = false;\n private _requestLicenseFailureCount: number = 0;\n\n /**\n * @constructs\n * @param {Hls} hls Our Hls.js instance\n */\n constructor (hls) {\n super(hls,\n Event.MEDIA_ATTACHED,\n Event.MEDIA_DETACHED,\n Event.MANIFEST_PARSED\n );\n this._config = hls.config;\n\n this._widevineLicenseUrl = this._config.widevineLicenseUrl;\n this._licenseXhrSetup = this._config.licenseXhrSetup;\n this._emeEnabled = this._config.emeEnabled;\n this._requestMediaKeySystemAccess = this._config.requestMediaKeySystemAccessFunc;\n }\n\n /**\n * @param {string} keySystem Identifier for the key-system, see `KeySystems` enum\n * @returns {string} License server URL for key-system (if any configured, otherwise causes error)\n * @throws if a unsupported keysystem is passed\n */\n getLicenseServerUrl (keySystem: KeySystems): string {\n switch (keySystem) {\n case KeySystems.WIDEVINE:\n if (!this._widevineLicenseUrl) {\n break;\n }\n return this._widevineLicenseUrl;\n }\n\n throw new Error(`no license server URL configured for key-system \"${keySystem}\"`);\n }\n\n /**\n * Requests access object and adds it to our list upon success\n * @private\n * @param {string} keySystem System ID (see `KeySystems`)\n * @param {Array<string>} audioCodecs List of required audio codecs to support\n * @param {Array<string>} videoCodecs List of required video codecs to support\n * @throws When a unsupported KeySystem is passed\n */\n private _attemptKeySystemAccess (keySystem: KeySystems, audioCodecs: string[], videoCodecs: string[]) {\n // TODO: add other DRM \"options\"\n\n // This can throw, but is caught in event handler callpath\n const mediaKeySystemConfigs = getSupportedMediaKeySystemConfigurations(keySystem, audioCodecs, videoCodecs);\n\n logger.log('Requesting encrypted media key-system access');\n\n // expecting interface like window.navigator.requestMediaKeySystemAccess\n this.requestMediaKeySystemAccess(keySystem, mediaKeySystemConfigs)\n .then((mediaKeySystemAccess) => {\n this._onMediaKeySystemAccessObtained(keySystem, mediaKeySystemAccess);\n })\n .catch((err) => {\n logger.error(`Failed to obtain key-system \"${keySystem}\" access:`, err);\n });\n }\n\n get requestMediaKeySystemAccess () {\n if (!this._requestMediaKeySystemAccess) {\n throw new Error('No requestMediaKeySystemAccess function configured');\n }\n\n return this._requestMediaKeySystemAccess;\n }\n\n /**\n * Handles obtaining access to a key-system\n * @private\n * @param {string} keySystem\n * @param {MediaKeySystemAccess} mediaKeySystemAccess https://developer.mozilla.org/en-US/docs/Web/API/MediaKeySystemAccess\n */\n private _onMediaKeySystemAccessObtained (keySystem: KeySystems, mediaKeySystemAccess: MediaKeySystemAccess) {\n logger.log(`Access for key-system \"${keySystem}\" obtained`);\n\n const mediaKeysListItem: MediaKeysListItem = {\n mediaKeysSessionInitialized: false,\n mediaKeySystemAccess: mediaKeySystemAccess,\n mediaKeySystemDomain: keySystem\n };\n\n this._mediaKeysList.push(mediaKeysListItem);\n\n mediaKeySystemAccess.createMediaKeys()\n .then((mediaKeys) => {\n mediaKeysListItem.mediaKeys = mediaKeys;\n\n logger.log(`Media-keys created for key-system \"${keySystem}\"`);\n\n this._onMediaKeysCreated();\n })\n .catch((err) => {\n logger.error('Failed to create media-keys:', err);\n });\n }\n\n /**\n * Handles key-creation (represents access to CDM). We are going to create key-sessions upon this\n * for all existing keys where no session exists yet.\n *\n * @private\n */\n private _onMediaKeysCreated () {\n // check for all key-list items if a session exists, otherwise, create one\n this._mediaKeysList.forEach((mediaKeysListItem) => {\n if (!mediaKeysListItem.mediaKeysSession) {\n // mediaKeys is definitely initialized here\n mediaKeysListItem.mediaKeysSession = mediaKeysListItem.mediaKeys!.createSession();\n this._onNewMediaKeySession(mediaKeysListItem.mediaKeysSession);\n }\n });\n }\n\n /**\n * @private\n * @param {*} keySession\n */\n private _onNewMediaKeySession (keySession: MediaKeySession) {\n logger.log(`New key-system session ${keySession.sessionId}`);\n\n keySession.addEventListener('message', (event: MediaKeyMessageEvent) => {\n this._onKeySessionMessage(keySession, event.message);\n }, false);\n }\n\n /**\n * @private\n * @param {MediaKeySession} keySession\n * @param {ArrayBuffer} message\n */\n private _onKeySessionMessage (keySession: MediaKeySession, message: ArrayBuffer) {\n logger.log('Got EME message event, creating license request');\n\n this._requestLicense(message, (data: ArrayBuffer) => {\n logger.log(`Received license data (length: ${data ? data.byteLength : data}), updating key-session`);\n keySession.update(data);\n });\n }\n\n /**\n * @private\n * @param {string} initDataType\n * @param {ArrayBuffer|null} initData\n */\n private _onMediaEncrypted = (e: MediaEncryptedEvent) => {\n logger.log(`Media is encrypted using \"${e.initDataType}\" init data type`);\n\n this._attemptSetMediaKeys();\n this._generateRequestWithPreferredKeySession(e.initDataType, e.initData);\n }\n\n /**\n * @private\n */\n private _attemptSetMediaKeys () {\n if (!this._media) {\n throw new Error('Attempted to set mediaKeys without first attaching a media element');\n }\n\n if (!this._hasSetMediaKeys) {\n // FIXME: see if we can/want/need-to really to deal with several potential key-sessions?\n const keysListItem = this._mediaKeysList[0];\n if (!keysListItem || !keysListItem.mediaKeys) {\n logger.error('Fatal: Media is encrypted but no CDM access or no keys have been obtained yet');\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_KEYS,\n fatal: true\n });\n return;\n }\n\n logger.log('Setting keys for encrypted media');\n\n this._media.setMediaKeys(keysListItem.mediaKeys);\n this._hasSetMediaKeys = true;\n }\n }\n\n /**\n * @private\n */\n private _generateRequestWithPreferredKeySession (initDataType: string, initData: ArrayBuffer | null) {\n // FIXME: see if we can/want/need-to really to deal with several potential key-sessions?\n const keysListItem = this._mediaKeysList[0];\n if (!keysListItem) {\n logger.error('Fatal: Media is encrypted but not any key-system access has been obtained yet');\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_ACCESS,\n fatal: true\n });\n return;\n }\n\n if (keysListItem.mediaKeysSessionInitialized) {\n logger.warn('Key-Session already initialized but requested again');\n return;\n }\n\n const keySession = keysListItem.mediaKeysSession;\n if (!keySession) {\n logger.error('Fatal: Media is encrypted but no key-session existing');\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_SESSION,\n fatal: true\n });\n return;\n }\n\n // initData is null if the media is not CORS-same-origin\n if (!initData) {\n logger.warn('Fatal: initData required for generating a key session is null');\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_INIT_DATA,\n fatal: true\n });\n return;\n }\n\n logger.log(`Generating key-session request for \"${initDataType}\" init data type`);\n keysListItem.mediaKeysSessionInitialized = true;\n\n keySession.generateRequest(initDataType, initData)\n .then(() => {\n logger.debug('Key-session generation succeeded');\n })\n .catch((err) => {\n logger.error('Error generating key-session request:', err);\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_SESSION,\n fatal: false\n });\n });\n }\n\n /**\n * @private\n * @param {string} url License server URL\n * @param {ArrayBuffer} keyMessage Message data issued by key-system\n * @param {function} callback Called when XHR has succeeded\n * @returns {XMLHttpRequest} Unsent (but opened state) XHR object\n * @throws if XMLHttpRequest construction failed\n */\n private _createLicenseXhr (url: string, keyMessage: ArrayBuffer, callback: (data: ArrayBuffer) => void): XMLHttpRequest {\n const xhr = new XMLHttpRequest();\n const licenseXhrSetup = this._licenseXhrSetup;\n\n try {\n if (licenseXhrSetup) {\n try {\n licenseXhrSetup(xhr, url);\n } catch (e) {\n // let's try to open before running setup\n xhr.open('POST', url, true);\n licenseXhrSetup(xhr, url);\n }\n }\n // if licenseXhrSetup did not yet call open, let's do it now\n if (!xhr.readyState) {\n xhr.open('POST', url, true);\n }\n } catch (e) {\n // IE11 throws an exception on xhr.open if attempting to access an HTTP resource over HTTPS\n throw new Error(`issue setting up KeySystem license XHR ${e}`);\n }\n\n // Because we set responseType to ArrayBuffer here, callback is typed as handling only array buffers\n xhr.responseType = 'arraybuffer';\n xhr.onreadystatechange =\n this._onLicenseRequestReadyStageChange.bind(this, xhr, url, keyMessage, callback);\n return xhr;\n }\n\n /**\n * @private\n * @param {XMLHttpRequest} xhr\n * @param {string} url License server URL\n * @param {ArrayBuffer} keyMessage Message data issued by key-system\n * @param {function} callback Called when XHR has succeeded\n */\n private _onLicenseRequestReadyStageChange (xhr: XMLHttpRequest, url: string, keyMessage: ArrayBuffer, callback: (data: ArrayBuffer) => void) {\n switch (xhr.readyState) {\n case 4:\n if (xhr.status === 200) {\n this._requestLicenseFailureCount = 0;\n logger.log('License request succeeded');\n\n if (xhr.responseType !== 'arraybuffer') {\n logger.warn('xhr response type was not set to the expected arraybuffer for license request');\n }\n callback(xhr.response);\n } else {\n logger.error(`License Request XHR failed (${url}). Status: ${xhr.status} (${xhr.statusText})`);\n this._requestLicenseFailureCount++;\n if (this._requestLicenseFailureCount > MAX_LICENSE_REQUEST_FAILURES) {\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_LICENSE_REQUEST_FAILED,\n fatal: true\n });\n return;\n }\n\n const attemptsLeft = MAX_LICENSE_REQUEST_FAILURES - this._requestLicenseFailureCount + 1;\n logger.warn(`Retrying license request, ${attemptsLeft} attempts left`);\n this._requestLicense(keyMessage, callback);\n }\n break;\n }\n }\n\n /**\n * @private\n * @param {MediaKeysListItem} keysListItem\n * @param {ArrayBuffer} keyMessage\n * @returns {ArrayBuffer} Challenge data posted to license server\n * @throws if KeySystem is unsupported\n */\n private _generateLicenseRequestChallenge (keysListItem: MediaKeysListItem, keyMessage: ArrayBuffer): ArrayBuffer {\n switch (keysListItem.mediaKeySystemDomain) {\n // case KeySystems.PLAYREADY:\n // from https://github.com/MicrosoftEdge/Demos/blob/master/eme/scripts/demo.js\n /*\n if (this.licenseType !== this.LICENSE_TYPE_WIDEVINE) {\n // For PlayReady CDMs, we need to dig the Challenge out of the XML.\n var keyMessageXml = new DOMParser().parseFromString(String.fromCharCode.apply(null, new Uint16Array(keyMessage)), 'application/xml');\n if (keyMessageXml.getElementsByTagName('Challenge')[0]) {\n challenge = atob(keyMessageXml.getElementsByTagName('Challenge')[0].childNodes[0].nodeValue);\n } else {\n throw 'Cannot find <Challenge> in key message';\n }\n var headerNames = keyMessageXml.getElementsByTagName('name');\n var headerValues = keyMessageXml.getElementsByTagName('value');\n if (headerNames.length !== headerValues.length) {\n throw 'Mismatched header <name>/<value> pair in key message';\n }\n for (var i = 0; i < headerNames.length; i++) {\n xhr.setRequestHeader(headerNames[i].childNodes[0].nodeValue, headerValues[i].childNodes[0].nodeValue);\n }\n }\n break;\n */\n case KeySystems.WIDEVINE:\n // For Widevine CDMs, the challenge is the keyMessage.\n return keyMessage;\n }\n\n throw new Error(`unsupported key-system: ${keysListItem.mediaKeySystemDomain}`);\n }\n\n /**\n * @private\n * @param keyMessage\n * @param callback\n */\n private _requestLicense (keyMessage: ArrayBuffer, callback: (data: ArrayBuffer) => void) {\n logger.log('Requesting content license for key-system');\n\n const keysListItem = this._mediaKeysList[0];\n if (!keysListItem) {\n logger.error('Fatal error: Media is encrypted but no key-system access has been obtained yet');\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_NO_ACCESS,\n fatal: true\n });\n return;\n }\n\n try {\n const url = this.getLicenseServerUrl(keysListItem.mediaKeySystemDomain);\n const xhr = this._createLicenseXhr(url, keyMessage, callback);\n logger.log(`Sending license request to URL: ${url}`);\n const challenge = this._generateLicenseRequestChallenge(keysListItem, keyMessage);\n xhr.send(challenge);\n } catch (e) {\n logger.error(`Failure requesting DRM license: ${e}`);\n this.hls.trigger(Event.ERROR, {\n type: ErrorTypes.KEY_SYSTEM_ERROR,\n details: ErrorDetails.KEY_SYSTEM_LICENSE_REQUEST_FAILED,\n fatal: true\n });\n }\n }\n\n onMediaAttached (data: { media: HTMLMediaElement; }) {\n if (!this._emeEnabled) {\n return;\n }\n\n const media = data.media;\n\n // keep reference of media\n this._media = media;\n\n media.addEventListener('encrypted', this._onMediaEncrypted);\n }\n\n onMediaDetached () {\n if (this._media) {\n this._media.removeEventListener('encrypted', this._onMediaEncrypted);\n this._media = null; // release reference\n }\n }\n\n // TODO: Use manifest types here when they are defined\n onManifestParsed (data: any) {\n if (!this._emeEnabled) {\n return;\n }\n\n const audioCodecs = data.levels.map((level) => level.audioCodec);\n const videoCodecs = data.levels.map((level) => level.videoCodec);\n\n this._attemptKeySystemAccess(KeySystems.WIDEVINE, audioCodecs, videoCodecs);\n }\n}\n\nexport default EMEController;\n","/**\n * HLS config\n */\n\nimport AbrController from './controller/abr-controller';\nimport BufferController from './controller/buffer-controller';\nimport CapLevelController from './controller/cap-level-controller';\nimport FPSController from './controller/fps-controller';\nimport XhrLoader from './utils/xhr-loader';\n// import FetchLoader from './utils/fetch-loader';\n\nimport AudioTrackController from './controller/audio-track-controller';\nimport AudioStreamController from './controller/audio-stream-controller';\n\nimport * as Cues from './utils/cues';\nimport TimelineController from './controller/timeline-controller';\nimport SubtitleTrackController from './controller/subtitle-track-controller';\nimport { SubtitleStreamController } from './controller/subtitle-stream-controller';\nimport EMEController from './controller/eme-controller';\nimport { requestMediaKeySystemAccess, MediaKeyFunc } from './utils/mediakeys-helper';\n\ntype ABRControllerConfig = {\n abrEwmaFastLive: number,\n abrEwmaSlowLive: number,\n abrEwmaFastVoD: number,\n abrEwmaSlowVoD: number,\n abrEwmaDefaultEstimate: number,\n abrBandWidthFactor: number,\n abrBandWidthUpFactor: number,\n abrMaxWithRealBitrate: boolean,\n maxStarvationDelay: number,\n maxLoadingDelay: number,\n};\n\nexport type BufferControllerConfig = {\n appendErrorMaxRetry: number,\n liveDurationInfinity: boolean,\n liveBackBufferLength: number,\n};\n\ntype CapLevelControllerConfig = {\n capLevelToPlayerSize: boolean\n};\n\nexport type EMEControllerConfig = {\n licenseXhrSetup?: (xhr: XMLHttpRequest, url: string) => void,\n emeEnabled: boolean,\n widevineLicenseUrl?: string,\n requestMediaKeySystemAccessFunc: MediaKeyFunc | null,\n};\n\ntype FragmentLoaderConfig = {\n fLoader: any, // TODO(typescript-loader): Once Loader is typed fill this in\n\n fragLoadingTimeOut: number,\n fragLoadingMaxRetry: number,\n fragLoadingRetryDelay: number,\n fragLoadingMaxRetryTimeout: number,\n};\n\ntype FPSControllerConfig = {\n capLevelOnFPSDrop: boolean,\n fpsDroppedMonitoringPeriod: number,\n fpsDroppedMonitoringThreshold: number,\n};\n\ntype LevelControllerConfig = {\n startLevel?: number\n};\n\ntype MP4RemuxerConfig = {\n stretchShortVideoTrack: boolean,\n maxAudioFramesDrift: number,\n};\n\ntype PlaylistLoaderConfig = {\n pLoader: any, // TODO(typescript-loader): Once Loader is typed fill this in\n\n manifestLoadingTimeOut: number,\n manifestLoadingMaxRetry: number,\n manifestLoadingRetryDelay: number,\n manifestLoadingMaxRetryTimeout: number,\n\n levelLoadingTimeOut: number,\n levelLoadingMaxRetry: number,\n levelLoadingRetryDelay: number,\n levelLoadingMaxRetryTimeout: number\n};\n\ntype StreamControllerConfig = {\n autoStartLoad: boolean,\n startPosition: number,\n defaultAudioCodec?: string,\n initialLiveManifestSize: number,\n maxBufferLength: number,\n maxBufferSize: number,\n maxBufferHole: number,\n\n lowBufferWatchdogPeriod: number,\n highBufferWatchdogPeriod: number,\n nudgeOffset: number,\n nudgeMaxRetry: number,\n maxFragLookUpTolerance: number,\n liveSyncDurationCount: number,\n liveMaxLatencyDurationCount: number,\n liveSyncDuration?: number,\n liveMaxLatencyDuration?: number,\n maxMaxBufferLength: number,\n\n startFragPrefetch: boolean,\n};\n\ntype TimelineControllerConfig = {\n cueHandler: any, // TODO(typescript-cues): Type once file is done\n enableCEA708Captions: boolean,\n enableWebVTT: boolean,\n captionsTextTrack1Label: string,\n captionsTextTrack1LanguageCode: string,\n captionsTextTrack2Label: string,\n captionsTextTrack2LanguageCode: string,\n};\n\ntype TSDemuxerConfig = {\n forceKeyFrameOnDiscontinuity: boolean,\n};\n\nexport type HlsConfig =\n {\n debug: boolean,\n enableWorker: boolean,\n enableSoftwareAES: boolean,\n minAutoBitrate: number,\n loader: any, // TODO(typescript-xhrloader): Type once XHR is done\n xhrSetup?: (xhr: XMLHttpRequest, url: string) => void,\n\n // Alt Audio\n audioStreamController?: any, // TODO(typescript-audiostreamcontroller): Type once file is done\n audioTrackController?: any, // TODO(typescript-audiotrackcontroller): Type once file is done\n // Subtitle\n subtitleStreamController?: any, // TODO(typescript-subtitlestreamcontroller): Type once file is done\n subtitleTrackController?: any, // TODO(typescript-subtitletrackcontroller): Type once file is done\n timelineController?: any, // TODO(typescript-timelinecontroller): Type once file is done\n // EME\n emeController?: typeof EMEController,\n\n abrController: any, // TODO(typescript-abrcontroller): Type once file is done\n bufferController: typeof BufferController,\n capLevelController: any, // TODO(typescript-caplevelcontroller): Type once file is done\n fpsController: any, // TODO(typescript-fpscontroller): Type once file is done\n } &\n ABRControllerConfig &\n BufferControllerConfig &\n CapLevelControllerConfig &\n EMEControllerConfig &\n FPSControllerConfig &\n FragmentLoaderConfig &\n LevelControllerConfig &\n MP4RemuxerConfig &\n PlaylistLoaderConfig &\n StreamControllerConfig &\n Partial<TimelineControllerConfig> &\n TSDemuxerConfig;\n\n// If possible, keep hlsDefaultConfig shallow\n// It is cloned whenever a new Hls instance is created, by keeping the config\n// shallow the properties are cloned, and we don't end up manipulating the default\nexport const hlsDefaultConfig: HlsConfig = {\n autoStartLoad: true, // used by stream-controller\n startPosition: -1, // used by stream-controller\n defaultAudioCodec: void 0, // used by stream-controller\n debug: false, // used by logger\n capLevelOnFPSDrop: false, // used by fps-controller\n capLevelToPlayerSize: false, // used by cap-level-controller\n initialLiveManifestSize: 1, // used by stream-controller\n maxBufferLength: 30, // used by stream-controller\n maxBufferSize: 60 * 1000 * 1000, // used by stream-controller\n maxBufferHole: 0.5, // used by stream-controller\n\n lowBufferWatchdogPeriod: 0.5, // used by stream-controller\n highBufferWatchdogPeriod: 3, // used by stream-controller\n nudgeOffset: 0.1, // used by stream-controller\n nudgeMaxRetry: 3, // used by stream-controller\n maxFragLookUpTolerance: 0.25, // used by stream-controller\n liveSyncDurationCount: 3, // used by stream-controller\n liveMaxLatencyDurationCount: Infinity, // used by stream-controller\n liveSyncDuration: void 0, // used by stream-controller\n liveMaxLatencyDuration: void 0, // used by stream-controller\n liveDurationInfinity: false, // used by buffer-controller\n liveBackBufferLength: Infinity, // used by buffer-controller\n maxMaxBufferLength: 600, // used by stream-controller\n enableWorker: true, // used by demuxer\n enableSoftwareAES: true, // used by decrypter\n manifestLoadingTimeOut: 10000, // used by playlist-loader\n manifestLoadingMaxRetry: 1, // used by playlist-loader\n manifestLoadingRetryDelay: 1000, // used by playlist-loader\n manifestLoadingMaxRetryTimeout: 64000, // used by playlist-loader\n startLevel: void 0, // used by level-controller\n levelLoadingTimeOut: 10000, // used by playlist-loader\n levelLoadingMaxRetry: 4, // used by playlist-loader\n levelLoadingRetryDelay: 1000, // used by playlist-loader\n levelLoadingMaxRetryTimeout: 64000, // used by playlist-loader\n fragLoadingTimeOut: 20000, // used by fragment-loader\n fragLoadingMaxRetry: 6, // used by fragment-loader\n fragLoadingRetryDelay: 1000, // used by fragment-loader\n fragLoadingMaxRetryTimeout: 64000, // used by fragment-loader\n startFragPrefetch: false, // used by stream-controller\n fpsDroppedMonitoringPeriod: 5000, // used by fps-controller\n fpsDroppedMonitoringThreshold: 0.2, // used by fps-controller\n appendErrorMaxRetry: 3, // used by buffer-controller\n loader: XhrLoader,\n // loader: FetchLoader,\n fLoader: void 0, // used by fragment-loader\n pLoader: void 0, // used by playlist-loader\n xhrSetup: void 0, // used by xhr-loader\n licenseXhrSetup: void 0, // used by eme-controller\n // fetchSetup: void 0,\n abrController: AbrController,\n bufferController: BufferController,\n capLevelController: CapLevelController,\n fpsController: FPSController,\n stretchShortVideoTrack: false, // used by mp4-remuxer\n maxAudioFramesDrift: 1, // used by mp4-remuxer\n forceKeyFrameOnDiscontinuity: true, // used by ts-demuxer\n abrEwmaFastLive: 3, // used by abr-controller\n abrEwmaSlowLive: 9, // used by abr-controller\n abrEwmaFastVoD: 3, // used by abr-controller\n abrEwmaSlowVoD: 9, // used by abr-controller\n abrEwmaDefaultEstimate: 5e5, // 500 kbps // used by abr-controller\n abrBandWidthFactor: 0.95, // used by abr-controller\n abrBandWidthUpFactor: 0.7, // used by abr-controller\n abrMaxWithRealBitrate: false, // used by abr-controller\n maxStarvationDelay: 4, // used by abr-controller\n maxLoadingDelay: 4, // used by abr-controller\n minAutoBitrate: 0, // used by hls\n emeEnabled: false, // used by eme-controller\n widevineLicenseUrl: void 0, // used by eme-controller\n requestMediaKeySystemAccessFunc: requestMediaKeySystemAccess, // used by eme-controller\n\n // Dynamic Modules\n ...timelineConfig(),\n subtitleStreamController: (__USE_SUBTITLES__) ? SubtitleStreamController : void 0,\n subtitleTrackController: (__USE_SUBTITLES__) ? SubtitleTrackController : void 0,\n timelineController: (__USE_SUBTITLES__) ? TimelineController : void 0,\n audioStreamController: (__USE_ALT_AUDIO__) ? AudioStreamController : void 0,\n audioTrackController: (__USE_ALT_AUDIO__) ? AudioTrackController : void 0,\n emeController: (__USE_EME_DRM__) ? EMEController : void 0\n};\n\nfunction timelineConfig (): TimelineControllerConfig {\n if (!__USE_SUBTITLES__) {\n // intentionally doing this over returning Partial<TimelineControllerConfig> above\n // this has the added nice property of still requiring the object below to completely define all props.\n return {} as any;\n }\n return {\n cueHandler: Cues, // used by timeline-controller\n enableCEA708Captions: true, // used by timeline-controller\n enableWebVTT: true, // used by timeline-controller\n captionsTextTrack1Label: 'English', // used by timeline-controller\n captionsTextTrack1LanguageCode: 'en', // used by timeline-controller\n captionsTextTrack2Label: 'Spanish', // used by timeline-controller\n captionsTextTrack2LanguageCode: 'es' // used by timeline-controller\n };\n}\n","import * as URLToolkit from 'url-toolkit';\n\nimport {\n ErrorTypes,\n ErrorDetails\n} from './errors';\n\nimport PlaylistLoader from './loader/playlist-loader';\nimport FragmentLoader from './loader/fragment-loader';\nimport KeyLoader from './loader/key-loader';\n\nimport { FragmentTracker } from './controller/fragment-tracker';\nimport StreamController from './controller/stream-controller';\nimport LevelController from './controller/level-controller';\nimport ID3TrackController from './controller/id3-track-controller';\n\nimport { isSupported } from './is-supported';\nimport { logger, enableLogs } from './utils/logger';\nimport { hlsDefaultConfig, HlsConfig } from './config';\n\nimport HlsEvents from './events';\n\nimport { Observer } from './observer';\n\n/**\n * @module Hls\n * @class\n * @constructor\n */\nexport default class Hls extends Observer {\n public static defaultConfig?: HlsConfig;\n public config: HlsConfig;\n\n private _autoLevelCapping: number;\n private abrController: any;\n private capLevelController: any;\n private levelController: any;\n private streamController: any;\n private networkControllers: any[];\n private audioTrackController: any;\n private subtitleTrackController: any;\n private emeController: any;\n private coreComponents: any[];\n private media: HTMLMediaElement | null = null;\n private url: string | null = null;\n\n /**\n * @type {string}\n */\n static get version (): string {\n return __VERSION__;\n }\n\n /**\n * @type {boolean}\n */\n static isSupported (): boolean {\n return isSupported();\n }\n\n /**\n * @type {HlsEvents}\n */\n static get Events () {\n return HlsEvents;\n }\n\n /**\n * @type {HlsErrorTypes}\n */\n static get ErrorTypes () {\n return ErrorTypes;\n }\n\n /**\n * @type {HlsErrorDetails}\n */\n static get ErrorDetails () {\n return ErrorDetails;\n }\n\n /**\n * @type {HlsConfig}\n */\n static get DefaultConfig (): HlsConfig {\n if (!Hls.defaultConfig) {\n return hlsDefaultConfig;\n }\n\n return Hls.defaultConfig;\n }\n\n /**\n * @type {HlsConfig}\n */\n static set DefaultConfig (defaultConfig: HlsConfig) {\n Hls.defaultConfig = defaultConfig;\n }\n\n /**\n * Creates an instance of an HLS client that can attach to exactly one `HTMLMediaElement`.\n *\n * @constructs Hls\n * @param {HlsConfig} config\n */\n constructor (userConfig: Partial<HlsConfig> = {}) {\n super();\n\n const defaultConfig = Hls.DefaultConfig;\n\n if ((userConfig.liveSyncDurationCount || userConfig.liveMaxLatencyDurationCount) && (userConfig.liveSyncDuration || userConfig.liveMaxLatencyDuration)) {\n throw new Error('Illegal hls.js config: don\\'t mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration');\n }\n\n // Shallow clone\n this.config = {\n ...defaultConfig,\n ...userConfig\n };\n\n const { config } = this;\n\n if (config.liveMaxLatencyDurationCount !== void 0 && config.liveMaxLatencyDurationCount <= config.liveSyncDurationCount) {\n throw new Error('Illegal hls.js config: \"liveMaxLatencyDurationCount\" must be gt \"liveSyncDurationCount\"');\n }\n\n if (config.liveMaxLatencyDuration !== void 0 && (config.liveSyncDuration === void 0 || config.liveMaxLatencyDuration <= config.liveSyncDuration)) {\n throw new Error('Illegal hls.js config: \"liveMaxLatencyDuration\" must be gt \"liveSyncDuration\"');\n }\n\n enableLogs(config.debug);\n\n this._autoLevelCapping = -1;\n\n // core controllers and network loaders\n\n /**\n * @member {AbrController} abrController\n */\n const abrController = this.abrController = new config.abrController(this); // eslint-disable-line new-cap\n const bufferController = new config.bufferController(this); // eslint-disable-line new-cap\n const capLevelController = this.capLevelController = new config.capLevelController(this); // eslint-disable-line new-cap\n const fpsController = new config.fpsController(this); // eslint-disable-line new-cap\n const playListLoader = new PlaylistLoader(this);\n const fragmentLoader = new FragmentLoader(this);\n const keyLoader = new KeyLoader(this);\n const id3TrackController = new ID3TrackController(this);\n\n // network controllers\n\n /**\n * @member {LevelController} levelController\n */\n const levelController = this.levelController = new LevelController(this);\n\n // FIXME: FragmentTracker must be defined before StreamController because the order of event handling is important\n const fragmentTracker = new FragmentTracker(this);\n\n /**\n * @member {StreamController} streamController\n */\n const streamController = this.streamController = new StreamController(this, fragmentTracker);\n\n let networkControllers = [levelController, streamController];\n\n // optional audio stream controller\n /**\n * @var {ICoreComponent | Controller}\n */\n let Controller = config.audioStreamController;\n if (Controller) {\n networkControllers.push(new Controller(this, fragmentTracker));\n }\n\n /**\n * @member {INetworkController[]} networkControllers\n */\n this.networkControllers = networkControllers;\n\n /**\n * @var {ICoreComponent[]}\n */\n const coreComponents = [\n playListLoader,\n fragmentLoader,\n keyLoader,\n abrController,\n bufferController,\n capLevelController,\n fpsController,\n id3TrackController,\n fragmentTracker\n ];\n\n // optional audio track and subtitle controller\n Controller = config.audioTrackController;\n if (Controller) {\n const audioTrackController = new Controller(this);\n\n /**\n * @member {AudioTrackController} audioTrackController\n */\n this.audioTrackController = audioTrackController;\n coreComponents.push(audioTrackController);\n }\n\n Controller = config.subtitleTrackController;\n if (Controller) {\n const subtitleTrackController = new Controller(this);\n\n /**\n * @member {SubtitleTrackController} subtitleTrackController\n */\n this.subtitleTrackController = subtitleTrackController;\n networkControllers.push(subtitleTrackController);\n }\n\n Controller = config.emeController;\n if (Controller) {\n const emeController = new Controller(this);\n\n /**\n * @member {EMEController} emeController\n */\n this.emeController = emeController;\n coreComponents.push(emeController);\n }\n\n // optional subtitle controllers\n Controller = config.subtitleStreamController;\n if (Controller) {\n networkControllers.push(new Controller(this, fragmentTracker));\n }\n Controller = config.timelineController;\n if (Controller) {\n coreComponents.push(new Controller(this));\n }\n\n /**\n * @member {ICoreComponent[]}\n */\n this.coreComponents = coreComponents;\n }\n\n /**\n * Dispose of the instance\n */\n destroy () {\n logger.log('destroy');\n this.trigger(HlsEvents.DESTROYING);\n this.detachMedia();\n this.coreComponents.concat(this.networkControllers).forEach(component => {\n component.destroy();\n });\n this.url = null;\n this.removeAllListeners();\n this._autoLevelCapping = -1;\n }\n\n /**\n * Attach a media element\n * @param {HTMLMediaElement} media\n */\n attachMedia (media: HTMLMediaElement) {\n logger.log('attachMedia');\n this.media = media;\n this.trigger(HlsEvents.MEDIA_ATTACHING, { media: media });\n }\n\n /**\n * Detach from the media\n */\n detachMedia () {\n logger.log('detachMedia');\n this.trigger(HlsEvents.MEDIA_DETACHING);\n this.media = null;\n }\n\n /**\n * Set the source URL. Can be relative or absolute.\n * @param {string} url\n */\n loadSource (url: string) {\n url = URLToolkit.buildAbsoluteURL(window.location.href, url, { alwaysNormalize: true });\n logger.log(`loadSource:${url}`);\n this.url = url;\n // when attaching to a source URL, trigger a playlist load\n this.trigger(HlsEvents.MANIFEST_LOADING, { url: url });\n }\n\n /**\n * Start loading data from the stream source.\n * Depending on default config, client starts loading automatically when a source is set.\n *\n * @param {number} startPosition Set the start position to stream from\n * @default -1 None (from earliest point)\n */\n startLoad (startPosition: number = -1) {\n logger.log(`startLoad(${startPosition})`);\n this.networkControllers.forEach(controller => {\n controller.startLoad(startPosition);\n });\n }\n\n /**\n * Stop loading of any stream data.\n */\n stopLoad () {\n logger.log('stopLoad');\n this.networkControllers.forEach(controller => {\n controller.stopLoad();\n });\n }\n\n /**\n * Swap through possible audio codecs in the stream (for example to switch from stereo to 5.1)\n */\n swapAudioCodec () {\n logger.log('swapAudioCodec');\n this.streamController.swapAudioCodec();\n }\n\n /**\n * When the media-element fails, this allows to detach and then re-attach it\n * as one call (convenience method).\n *\n * Automatic recovery of media-errors by this process is configurable.\n */\n recoverMediaError () {\n logger.log('recoverMediaError');\n let media = this.media;\n this.detachMedia();\n if (media) {\n this.attachMedia(media);\n }\n }\n\n /**\n * @type {QualityLevel[]}\n */\n // todo(typescript-levelController)\n get levels (): any[] {\n return this.levelController.levels;\n }\n\n /**\n * Index of quality level currently played\n * @type {number}\n */\n get currentLevel (): number {\n return this.streamController.currentLevel;\n }\n\n /**\n * Set quality level index immediately .\n * This will flush the current buffer to replace the quality asap.\n * That means playback will interrupt at least shortly to re-buffer and re-sync eventually.\n * @type {number} -1 for automatic level selection\n */\n set currentLevel (newLevel: number) {\n logger.log(`set currentLevel:${newLevel}`);\n this.loadLevel = newLevel;\n this.streamController.immediateLevelSwitch();\n }\n\n /**\n * Index of next quality level loaded as scheduled by stream controller.\n * @type {number}\n */\n get nextLevel (): number {\n return this.streamController.nextLevel;\n }\n\n /**\n * Set quality level index for next loaded data.\n * This will switch the video quality asap, without interrupting playback.\n * May abort current loading of data, and flush parts of buffer (outside currently played fragment region).\n * @type {number} -1 for automatic level selection\n */\n set nextLevel (newLevel: number) {\n logger.log(`set nextLevel:${newLevel}`);\n this.levelController.manualLevel = newLevel;\n this.streamController.nextLevelSwitch();\n }\n\n /**\n * Return the quality level of the currently or last (of none is loaded currently) segment\n * @type {number}\n */\n get loadLevel (): number {\n return this.levelController.level;\n }\n\n /**\n * Set quality level index for next loaded data in a conservative way.\n * This will switch the quality without flushing, but interrupt current loading.\n * Thus the moment when the quality switch will appear in effect will only be after the already existing buffer.\n * @type {number} newLevel -1 for automatic level selection\n */\n set loadLevel (newLevel: number) {\n logger.log(`set loadLevel:${newLevel}`);\n this.levelController.manualLevel = newLevel;\n }\n\n /**\n * get next quality level loaded\n * @type {number}\n */\n get nextLoadLevel (): number {\n return this.levelController.nextLoadLevel;\n }\n\n /**\n * Set quality level of next loaded segment in a fully \"non-destructive\" way.\n * Same as `loadLevel` but will wait for next switch (until current loading is done).\n * @type {number} level\n */\n set nextLoadLevel (level: number) {\n this.levelController.nextLoadLevel = level;\n }\n\n /**\n * Return \"first level\": like a default level, if not set,\n * falls back to index of first level referenced in manifest\n * @type {number}\n */\n get firstLevel (): number {\n return Math.max(this.levelController.firstLevel, this.minAutoLevel);\n }\n\n /**\n * Sets \"first-level\", see getter.\n * @type {number}\n */\n set firstLevel (newLevel: number) {\n logger.log(`set firstLevel:${newLevel}`);\n this.levelController.firstLevel = newLevel;\n }\n\n /**\n * Return start level (level of first fragment that will be played back)\n * if not overrided by user, first level appearing in manifest will be used as start level\n * if -1 : automatic start level selection, playback will start from level matching download bandwidth\n * (determined from download of first segment)\n * @type {number}\n */\n get startLevel (): number {\n return this.levelController.startLevel;\n }\n\n /**\n * set start level (level of first fragment that will be played back)\n * if not overrided by user, first level appearing in manifest will be used as start level\n * if -1 : automatic start level selection, playback will start from level matching download bandwidth\n * (determined from download of first segment)\n * @type {number} newLevel\n */\n set startLevel (newLevel: number) {\n logger.log(`set startLevel:${newLevel}`);\n // if not in automatic start level detection, ensure startLevel is greater than minAutoLevel\n if (newLevel !== -1) {\n newLevel = Math.max(newLevel, this.minAutoLevel);\n }\n\n this.levelController.startLevel = newLevel;\n }\n\n /**\n * set dynamically set capLevelToPlayerSize against (`CapLevelController`)\n *\n * @type {boolean}\n */\n set capLevelToPlayerSize (shouldStartCapping: boolean) {\n const newCapLevelToPlayerSize = !!shouldStartCapping;\n\n if (newCapLevelToPlayerSize !== this.config.capLevelToPlayerSize) {\n if (newCapLevelToPlayerSize) {\n this.capLevelController.startCapping(); // If capping occurs, nextLevelSwitch will happen based on size.\n } else {\n this.capLevelController.stopCapping();\n this.autoLevelCapping = -1;\n this.streamController.nextLevelSwitch(); // Now we're uncapped, get the next level asap.\n }\n\n this.config.capLevelToPlayerSize = newCapLevelToPlayerSize;\n }\n }\n\n /**\n * Capping/max level value that should be used by automatic level selection algorithm (`ABRController`)\n * @type {number}\n */\n get autoLevelCapping (): number {\n return this._autoLevelCapping;\n }\n\n /**\n * get bandwidth estimate\n * @type {number}\n */\n get bandwidthEstimate (): number {\n const bwEstimator = this.abrController._bwEstimator;\n return bwEstimator ? bwEstimator.getEstimate() : NaN;\n }\n\n /**\n * Capping/max level value that should be used by automatic level selection algorithm (`ABRController`)\n * @type {number}\n */\n set autoLevelCapping (newLevel: number) {\n logger.log(`set autoLevelCapping:${newLevel}`);\n this._autoLevelCapping = newLevel;\n }\n\n /**\n * True when automatic level selection enabled\n * @type {boolean}\n */\n get autoLevelEnabled (): boolean {\n return (this.levelController.manualLevel === -1);\n }\n\n /**\n * Level set manually (if any)\n * @type {number}\n */\n get manualLevel (): number {\n return this.levelController.manualLevel;\n }\n\n /**\n * min level selectable in auto mode according to config.minAutoBitrate\n * @type {number}\n */\n get minAutoLevel (): number {\n const { levels, config: { minAutoBitrate } } = this;\n const len = levels ? levels.length : 0;\n\n for (let i = 0; i < len; i++) {\n const levelNextBitrate = levels[i].realBitrate\n ? Math.max(levels[i].realBitrate, levels[i].bitrate)\n : levels[i].bitrate;\n\n if (levelNextBitrate > minAutoBitrate) {\n return i;\n }\n }\n\n return 0;\n }\n\n /**\n * max level selectable in auto mode according to autoLevelCapping\n * @type {number}\n */\n get maxAutoLevel (): number {\n const { levels, autoLevelCapping } = this;\n\n let maxAutoLevel;\n if (autoLevelCapping === -1 && levels && levels.length) {\n maxAutoLevel = levels.length - 1;\n } else {\n maxAutoLevel = autoLevelCapping;\n }\n\n return maxAutoLevel;\n }\n\n /**\n * next automatically selected quality level\n * @type {number}\n */\n get nextAutoLevel (): number {\n // ensure next auto level is between min and max auto level\n return Math.min(Math.max(this.abrController.nextAutoLevel, this.minAutoLevel), this.maxAutoLevel);\n }\n\n /**\n * this setter is used to force next auto level.\n * this is useful to force a switch down in auto mode:\n * in case of load error on level N, hls.js can set nextAutoLevel to N-1 for example)\n * forced value is valid for one fragment. upon succesful frag loading at forced level,\n * this value will be resetted to -1 by ABR controller.\n * @type {number}\n */\n set nextAutoLevel (nextLevel: number) {\n this.abrController.nextAutoLevel = Math.max(this.minAutoLevel, nextLevel);\n }\n\n /**\n * @type {AudioTrack[]}\n */\n // todo(typescript-audioTrackController)\n get audioTracks (): any[] {\n const audioTrackController = this.audioTrackController;\n return audioTrackController ? audioTrackController.audioTracks : [];\n }\n\n /**\n * index of the selected audio track (index in audio track lists)\n * @type {number}\n */\n get audioTrack (): number {\n const audioTrackController = this.audioTrackController;\n return audioTrackController ? audioTrackController.audioTrack : -1;\n }\n\n /**\n * selects an audio track, based on its index in audio track lists\n * @type {number}\n */\n set audioTrack (audioTrackId: number) {\n const audioTrackController = this.audioTrackController;\n if (audioTrackController) {\n audioTrackController.audioTrack = audioTrackId;\n }\n }\n\n /**\n * @type {Seconds}\n */\n get liveSyncPosition (): number {\n return this.streamController.liveSyncPosition;\n }\n\n /**\n * get alternate subtitle tracks list from playlist\n * @type {SubtitleTrack[]}\n */\n // todo(typescript-subtitleTrackController)\n get subtitleTracks (): any[] {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleTracks : [];\n }\n\n /**\n * index of the selected subtitle track (index in subtitle track lists)\n * @type {number}\n */\n get subtitleTrack (): number {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleTrack : -1;\n }\n\n /**\n * select an subtitle track, based on its index in subtitle track lists\n * @type {number}\n */\n set subtitleTrack (subtitleTrackId: number) {\n const subtitleTrackController = this.subtitleTrackController;\n if (subtitleTrackController) {\n subtitleTrackController.subtitleTrack = subtitleTrackId;\n }\n }\n\n /**\n * @type {boolean}\n */\n get subtitleDisplay (): boolean {\n const subtitleTrackController = this.subtitleTrackController;\n return subtitleTrackController ? subtitleTrackController.subtitleDisplay : false;\n }\n\n /**\n * Enable/disable subtitle display rendering\n * @type {boolean}\n */\n set subtitleDisplay (value: boolean) {\n const subtitleTrackController = this.subtitleTrackController;\n if (subtitleTrackController) {\n subtitleTrackController.subtitleDisplay = value;\n }\n }\n}\n","import { getMediaSource } from './utils/mediasource-helper';\n\nexport function isSupported (): boolean {\n const mediaSource = getMediaSource();\n if (!mediaSource) {\n return false;\n }\n const sourceBuffer = self.SourceBuffer || (self as any).WebKitSourceBuffer as SourceBuffer;\n const isTypeSupported = mediaSource &&\n typeof mediaSource.isTypeSupported === 'function' &&\n mediaSource.isTypeSupported('video/mp4; codecs=\"avc1.42E01E,mp4a.40.2\"');\n\n // if SourceBuffer is exposed ensure its API is valid\n // safari and old version of Chrome doe not expose SourceBuffer globally so checking SourceBuffer.prototype is impossible\n const sourceBufferValidAPI = !sourceBuffer ||\n (sourceBuffer.prototype &&\n typeof sourceBuffer.prototype.appendBuffer === 'function' &&\n typeof sourceBuffer.prototype.remove === 'function');\n return !!isTypeSupported && !!sourceBufferValidAPI;\n}\n"],"sourceRoot":""} \ No newline at end of file diff --git a/package-lock.json b/package-lock.json index 2f7fde6b262..f09836786d9 100644 --- a/package-lock.json +++ b/package-lock.json @@ -247,6 +247,27 @@ "@babel/types": "^7.0.0" } }, + "@babel/helper-skip-transparent-expression-wrappers": { + "version": "7.14.5", + "resolved": "https://registry.npmjs.org/@babel/helper-skip-transparent-expression-wrappers/-/helper-skip-transparent-expression-wrappers-7.14.5.tgz", + "integrity": "sha512-dmqZB7mrb94PZSAOYtr+ZN5qt5owZIAgqtoTuqiFbHFtxgEcmQlRJVI+bO++fciBunXtB6MK7HrzrfcAzIz2NQ==", + "dev": true, + "requires": { + "@babel/types": "^7.14.5" + }, + "dependencies": { + "@babel/types": { + "version": "7.14.8", + "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.14.8.tgz", + "integrity": "sha512-iob4soQa7dZw8nodR/KlOQkPh9S4I8RwCxwRIFuiMRYjOzH/KJzdUfDgz6cGi5dDaclXF4P2PAhCdrBJNIg68Q==", + "dev": true, + "requires": { + "@babel/helper-validator-identifier": "^7.14.8", + "to-fast-properties": "^2.0.0" + } + } + } + }, "@babel/helper-split-export-declaration": { "version": "7.4.4", "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.4.4.tgz", @@ -256,6 +277,12 @@ "@babel/types": "^7.4.4" } }, + "@babel/helper-validator-identifier": { + "version": "7.14.8", + "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.14.8.tgz", + "integrity": "sha512-ZGy6/XQjllhYQrNw/3zfWRwZCTVSiBLZ9DHVZxn9n2gip/7ab8mv2TWlKPIBk26RwedCBoWdjLmn+t9na2Gcow==", + "dev": true + }, "@babel/helper-wrap-function": { "version": "7.2.0", "resolved": "https://registry.npmjs.org/@babel/helper-wrap-function/-/helper-wrap-function-7.2.0.tgz", @@ -347,6 +374,25 @@ "@babel/plugin-syntax-optional-catch-binding": "^7.2.0" } }, + "@babel/plugin-proposal-optional-chaining": { + "version": "7.14.5", + "resolved": "https://registry.npmjs.org/@babel/plugin-proposal-optional-chaining/-/plugin-proposal-optional-chaining-7.14.5.tgz", + "integrity": "sha512-ycz+VOzo2UbWNI1rQXxIuMOzrDdHGrI23fRiz/Si2R4kv2XZQ1BK8ccdHwehMKBlcH/joGW/tzrUmo67gbJHlQ==", + "dev": true, + "requires": { + "@babel/helper-plugin-utils": "^7.14.5", + "@babel/helper-skip-transparent-expression-wrappers": "^7.14.5", + "@babel/plugin-syntax-optional-chaining": "^7.8.3" + }, + "dependencies": { + "@babel/helper-plugin-utils": { + "version": "7.14.5", + "resolved": "https://registry.npmjs.org/@babel/helper-plugin-utils/-/helper-plugin-utils-7.14.5.tgz", + "integrity": "sha512-/37qQCE3K0vvZKwoK4XU/irIJQdIfCJuhU5eKnNxpFDsOkgFaUAwbv+RYw6eYgsC0E4hS7r5KqGULUogqui0fQ==", + "dev": true + } + } + }, "@babel/plugin-proposal-unicode-property-regex": { "version": "7.4.4", "resolved": "https://registry.npmjs.org/@babel/plugin-proposal-unicode-property-regex/-/plugin-proposal-unicode-property-regex-7.4.4.tgz", @@ -394,6 +440,23 @@ "@babel/helper-plugin-utils": "^7.0.0" } }, + "@babel/plugin-syntax-optional-chaining": { + "version": "7.8.3", + "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-optional-chaining/-/plugin-syntax-optional-chaining-7.8.3.tgz", + "integrity": "sha512-KoK9ErH1MBlCPxV0VANkXW2/dw4vlbGDrFgz8bmUsBGYkFRcbRwMh6cIJubdPrkxRwuGdtCk0v/wPTKbQgBjkg==", + "dev": true, + "requires": { + "@babel/helper-plugin-utils": "^7.8.0" + }, + "dependencies": { + "@babel/helper-plugin-utils": { + "version": "7.14.5", + "resolved": "https://registry.npmjs.org/@babel/helper-plugin-utils/-/helper-plugin-utils-7.14.5.tgz", + "integrity": "sha512-/37qQCE3K0vvZKwoK4XU/irIJQdIfCJuhU5eKnNxpFDsOkgFaUAwbv+RYw6eYgsC0E4hS7r5KqGULUogqui0fQ==", + "dev": true + } + } + }, "@babel/plugin-syntax-typescript": { "version": "7.3.3", "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-typescript/-/plugin-syntax-typescript-7.3.3.tgz", @@ -584,6 +647,23 @@ "@babel/helper-plugin-utils": "^7.0.0" } }, + "@babel/plugin-transform-object-assign": { + "version": "7.14.5", + "resolved": "https://registry.npmjs.org/@babel/plugin-transform-object-assign/-/plugin-transform-object-assign-7.14.5.tgz", + "integrity": "sha512-lvhjk4UN9xJJYB1mI5KC0/o1D5EcJXdbhVe+4fSk08D6ZN+iuAIs7LJC+71h8av9Ew4+uRq9452v9R93SFmQlQ==", + "dev": true, + "requires": { + "@babel/helper-plugin-utils": "^7.14.5" + }, + "dependencies": { + "@babel/helper-plugin-utils": { + "version": "7.14.5", + "resolved": "https://registry.npmjs.org/@babel/helper-plugin-utils/-/helper-plugin-utils-7.14.5.tgz", + "integrity": "sha512-/37qQCE3K0vvZKwoK4XU/irIJQdIfCJuhU5eKnNxpFDsOkgFaUAwbv+RYw6eYgsC0E4hS7r5KqGULUogqui0fQ==", + "dev": true + } + } + }, "@babel/plugin-transform-object-super": { "version": "7.2.0", "resolved": "https://registry.npmjs.org/@babel/plugin-transform-object-super/-/plugin-transform-object-super-7.2.0.tgz", diff --git a/src/controller/timeline-controller.ts b/src/controller/timeline-controller.ts index 210ae712385..a7fc2807daa 100644 --- a/src/controller/timeline-controller.ts +++ b/src/controller/timeline-controller.ts @@ -2,7 +2,7 @@ import Event from '../events'; import EventHandler from '../event-handler'; import Cea608Parser, { CaptionScreen } from '../utils/cea-608-parser'; import OutputFilter from '../utils/output-filter'; -import WebVTTParser from '../utils/webvtt-parser'; +import { parseWebVTT } from '../utils/webvtt-parser'; import { logger } from '../utils/logger'; import { sendAddTrackEvent, clearCurrentCues } from '../utils/texttrack-utils'; import Fragment from '../loader/fragment'; @@ -17,6 +17,7 @@ class TimelineController extends EventHandler { private textTracks: Array<TextTrack> = []; private tracks: Array<any> = []; private initPTS: Array<number> = []; + private timescale: Array<number> = []; private unparsedVttFrags: Array<{frag: Fragment, payload: any}> = []; private cueRanges: Array<any> = []; private captionsTracks: any = {}; @@ -82,11 +83,13 @@ class TimelineController extends EventHandler { } // Triggered when an initial PTS is found; used for synchronisation of WebVTT. - onInitPtsFound (data: { id: string, frag: Fragment, initPTS: number}) { - const { frag, id, initPTS } = data; + onInitPtsFound (data: { id: string, frag: Fragment, initPTS: number, timescale: number }) { + const { frag, id, initPTS, timescale } = data; const { unparsedVttFrags } = this; + if (id === 'main') { this.initPTS[frag.cc] = initPTS; + this.timescale[frag.cc] = timescale; } // Due to asynchronous processing, initial PTS may arrive later than the first VTT fragments are loaded. @@ -168,6 +171,7 @@ class TimelineController extends EventHandler { start: 0, prevCC: -1, new: false } }; + this.timescale = []; this._cleanTracks(); } @@ -272,58 +276,66 @@ class TimelineController extends EventHandler { this.prevCC = frag.cc; } // Parse the WebVTT file contents. - WebVTTParser.parse(payload, this.initPTS[frag.cc], vttCCs, frag.cc, function (cues) { - const currentTrack = textTracks[frag.level]; - // WebVTTParser.parse is an async method and if the currently selected text track mode is set to "disabled" - // before parsing is done then don't try to access currentTrack.cues.getCueById as cues will be null - // and trying to access getCueById method of cues will throw an exception - if (currentTrack.mode === 'disabled') { - hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: false, frag: frag }); - return; - } - let minStartTime = Number.MAX_SAFE_INTEGER; - // Add cues and trigger event with success true. - - cues.forEach(cue => { - //find the first cue in the entire cue set since its not always sorted - minStartTime = Math.min(cue.startTime,minStartTime); - // Sometimes there are cue overlaps on segmented vtts so the same - // cue can appear more than once in different vtt files. - // This avoid showing duplicated cues with same timecode and text. - if (!currentTrack.cues.getCueById(cue.id)) { - try { - currentTrack.addCue(cue); - if (!currentTrack.cues.getCueById(cue.id)) { - throw new Error(`addCue is failed for: ${cue}`); + parseWebVTT( + payload, + this.initPTS[frag.cc], + this.timescale[frag.cc], + vttCCs, + frag.cc, + frag.start, + (cues) => { + const currentTrack = textTracks[frag.level]; + // WebVTTParser.parse is an async method and if the currently selected text track mode is set to "disabled" + // before parsing is done then don't try to access currentTrack.cues.getCueById as cues will be null + // and trying to access getCueById method of cues will throw an exception + if (currentTrack.mode === 'disabled') { + hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: false, frag: frag }); + return; + } + let minStartTime = Number.MAX_SAFE_INTEGER; + // Add cues and trigger event with success true. + + cues.forEach(cue => { + //find the first cue in the entire cue set since its not always sorted + minStartTime = Math.min(cue.startTime,minStartTime); + // Sometimes there are cue overlaps on segmented vtts so the same + // cue can appear more than once in different vtt files. + // This avoid showing duplicated cues with same timecode and text. + if (!currentTrack.cues.getCueById(cue.id)) { + try { + currentTrack.addCue(cue); + if (!currentTrack.cues.getCueById(cue.id)) { + throw new Error(`addCue is failed for: ${cue}`); + } + } catch (err) { + logger.debug(`Failed occurred on adding cues: ${err}`); + const textTrackCue = new (window as any).TextTrackCue(cue.startTime, cue.endTime, cue.text); + textTrackCue.id = cue.id; + currentTrack.addCue(textTrackCue); } - } catch (err) { - logger.debug(`Failed occurred on adding cues: ${err}`); - const textTrackCue = new (window as any).TextTrackCue(cue.startTime, cue.endTime, cue.text); - textTrackCue.id = cue.id; - currentTrack.addCue(textTrackCue); + } + } + ); + + let liveSyncPosition = hls.streamController.liveSyncPosition; + //need to remove cues only for live so if there is no sync position its a VOD + // if there is a better way to detect live vs vod we can use it. + while (cues.length > 0 && liveSyncPosition !== undefined ){ + //We remove cues which are more than 5 minutes old than the current cue + if (currentTrack.cues[0].startTime < minStartTime - 300){ + currentTrack.removeCue(currentTrack.cues[0]); + } else { + break; } } - } - ); - - let liveSyncPosition = hls.streamController.liveSyncPosition; - //need to remove cues only for live so if there is no sync position its a VOD - // if there is a better way to detect live vs vod we can use it. - while (cues.length > 0 && liveSyncPosition !== undefined ){ - //We remove cues which are more than 5 minutes old than the current cue - if (currentTrack.cues[0].startTime < minStartTime - 300){ - currentTrack.removeCue(currentTrack.cues[0]); - } else { - break; - } + hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: true, frag: frag }); + }, + (error) => { + // Something went wrong while parsing. Trigger event with success false. + logger.log(`Failed to parse VTT cue: ${error}`); + hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: false, frag: frag }); } - hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: true, frag: frag }); - }, - function (e) { - // Something went wrong while parsing. Trigger event with success false. - logger.log(`Failed to parse VTT cue: ${e}`); - hls.trigger(Event.SUBTITLE_FRAG_PROCESSED, { success: false, frag: frag }); - }); + ); } onFragDecrypted (data: { frag: Fragment, payload: any}) { diff --git a/src/remux/mp4-remuxer.js b/src/remux/mp4-remuxer.js index 2f26d40892a..4459da3f706 100644 --- a/src/remux/mp4-remuxer.js +++ b/src/remux/mp4-remuxer.js @@ -113,7 +113,7 @@ class MP4Remuxer { tracks = {}, data = { tracks: tracks }, computePTSDTS = (this._initPTS === undefined), - initPTS, initDTS; + initPTS, initDTS, timescale; if (computePTSDTS) { initPTS = initDTS = Infinity; @@ -143,8 +143,9 @@ class MP4Remuxer { } }; if (computePTSDTS) { + timescale = audioTrack.inputTimeScale; // remember first PTS of this demuxing context. for audio, PTS = DTS - initPTS = initDTS = audioSamples[0].pts - audioTrack.inputTimeScale * timeOffset; + initPTS = initDTS = audioSamples[0].pts - Math.round(timescale * timeOffset); } } @@ -163,9 +164,10 @@ class MP4Remuxer { } }; if (computePTSDTS) { + timescale = videoTrack.inputTimeScale; initPTS = Math.min(initPTS, videoSamples[0].pts - inputTimeScale * timeOffset); initDTS = Math.min(initDTS, videoSamples[0].dts - inputTimeScale * timeOffset); - this.observer.trigger(Event.INIT_PTS_FOUND, { initPTS: initPTS }); + this.observer.trigger(Event.INIT_PTS_FOUND, { initPTS: initPTS, timescale }); } } @@ -799,4 +801,27 @@ class MP4Remuxer { } } +export function normalizePts (value, reference) { + let offset; + if (reference === null) { + return value; + } + + if (reference < value) { + // - 2^33 + offset = -8589934592; + } else { + // + 2^33 + offset = 8589934592; + } + /* PTS is 33bit (from 0 to 2^33 -1) + if diff between value and reference is bigger than half of the amplitude (2^32) then it means that + PTS looping occured. fill the gap */ + while (Math.abs(value - reference) > 4294967296) { + value += offset; + } + + return value; +} + export default MP4Remuxer; diff --git a/src/types/vtt.ts b/src/types/vtt.ts new file mode 100644 index 00000000000..0c5434970e0 --- /dev/null +++ b/src/types/vtt.ts @@ -0,0 +1,9 @@ +export type VTTCCs = { + ccOffset: number; + presentationOffset: number; + [key: number]: { + start: number; + prevCC: number; + new: boolean; + }; +}; diff --git a/src/utils/webvtt-parser.js b/src/utils/webvtt-parser.js deleted file mode 100644 index 719d0e2fd1d..00000000000 --- a/src/utils/webvtt-parser.js +++ /dev/null @@ -1,180 +0,0 @@ -import VTTParser from './vttparser'; -import { utf8ArrayToStr } from '../demux/id3'; - -// String.prototype.startsWith is not supported in IE11 -const startsWith = function (inputString, searchString, position) { - return inputString.substr(position || 0, searchString.length) === searchString; -}; - -const cueString2millis = function (timeString) { - let ts = parseInt(timeString.substr(-3)); - let secs = parseInt(timeString.substr(-6, 2)); - let mins = parseInt(timeString.substr(-9, 2)); - let hours = timeString.length > 9 ? parseInt(timeString.substr(0, timeString.indexOf(':'))) : 0; - - if (!Number.isFinite(ts) || !Number.isFinite(secs) || !Number.isFinite(mins) || !Number.isFinite(hours)) { - throw Error(`Malformed X-TIMESTAMP-MAP: Local:${timeString}`); - } - - ts += 1000 * secs; - ts += 60 * 1000 * mins; - ts += 60 * 60 * 1000 * hours; - - return ts; -}; - -// From https://github.com/darkskyapp/string-hash -const hash = function (text) { - let hash = 5381; - let i = text.length; - while (i) { - hash = (hash * 33) ^ text.charCodeAt(--i); - } - - return (hash >>> 0).toString(); -}; - -const calculateOffset = function (vttCCs, cc, presentationTime) { - let currCC = vttCCs[cc]; - let prevCC = vttCCs[currCC.prevCC]; - - // This is the first discontinuity or cues have been processed since the last discontinuity - // Offset = current discontinuity time - if (!prevCC || (!prevCC.new && currCC.new)) { - vttCCs.ccOffset = vttCCs.presentationOffset = currCC.start; - currCC.new = false; - return; - } - - // There have been discontinuities since cues were last parsed. - // Offset = time elapsed - while (prevCC && prevCC.new) { - vttCCs.ccOffset += currCC.start - prevCC.start; - currCC.new = false; - currCC = prevCC; - prevCC = vttCCs[currCC.prevCC]; - } - - vttCCs.presentationOffset = presentationTime; -}; - -const WebVTTParser = { - parse: function (vttByteArray, syncPTS, vttCCs, cc, callBack, errorCallBack) { - // Convert byteArray into string, replacing any somewhat exotic linefeeds with "\n", then split on that character. - let re = /\r\n|\n\r|\n|\r/g; - // Uint8Array.prototype.reduce is not implemented in IE11 - let vttLines = utf8ArrayToStr(new Uint8Array(vttByteArray)).trim().replace(re, '\n').split('\n'); - - let cueTime = '00:00.000'; - let mpegTs = 0; - let localTime = 0; - let presentationTime = 0; - let cues = []; - let parsingError; - let inHeader = true; - let timestampMap = false; - // let VTTCue = VTTCue || window.TextTrackCue; - - // Create parser object using VTTCue with TextTrackCue fallback on certain browsers. - let parser = new VTTParser(); - - parser.oncue = function (cue) { - // Adjust cue timing; clamp cues to start no earlier than - and drop cues that don't end after - 0 on timeline. - let currCC = vttCCs[cc]; - let cueOffset = vttCCs.ccOffset; - - // Update offsets for new discontinuities - if (currCC && currCC.new) { - if (localTime !== undefined) { - // When local time is provided, offset = discontinuity start time - local time - cueOffset = vttCCs.ccOffset = currCC.start; - } else { - calculateOffset(vttCCs, cc, presentationTime); - } - } - - if (presentationTime) { - // If we have MPEGTS, offset = presentation time + discontinuity offset - cueOffset = presentationTime - vttCCs.presentationOffset; - } - - // console.log(cue.startTime + ' before'); - cue.startTime += cueOffset - localTime; - cue.endTime += cueOffset - localTime; - - const text = cue.text.trim(); - // Create a unique hash id for a cue based on start/end times and text. - // This helps timeline-controller to avoid showing repeated captions. - cue.id = hash(cue.startTime.toString()) + hash(cue.endTime.toString()) + hash(text); - - // Fix encoding of special characters. TODO: Test with all sorts of weird characters. - cue.text = decodeURIComponent(encodeURIComponent(cue.text)); - if (cue.endTime > 0) { - cues.push(cue); - } - }; - - parser.onparsingerror = function (e) { - parsingError = e; - }; - - parser.onflush = function () { - if (parsingError && errorCallBack) { - errorCallBack(parsingError); - return; - } - callBack(cues); - }; - - // Go through contents line by line. - vttLines.forEach(line => { - if (inHeader) { - // Look for X-TIMESTAMP-MAP in header. - if (startsWith(line, 'X-TIMESTAMP-MAP=')) { - // Once found, no more are allowed anyway, so stop searching. - inHeader = false; - timestampMap = true; - // Extract LOCAL and MPEGTS. - line.substr(16).split(',').forEach(timestamp => { - if (startsWith(timestamp, 'LOCAL:')) { - cueTime = timestamp.substr(6); - } else if (startsWith(timestamp, 'MPEGTS:')) { - mpegTs = parseInt(timestamp.substr(7)); - } - }); - try { - // - // Calculate subtitle offset in milliseconds. - // if (syncPTS + ((vttCCs[cc].start * 90000) || 0) < 0) { - // syncPTS += 8589934592; - // } - // Adjust MPEGTS by sync PTS. - mpegTs -= syncPTS; - - // Convert cue time to seconds - localTime = cueString2millis(cueTime) / 1000; - // Convert MPEGTS to seconds from 90kHz. - presentationTime = mpegTs / 90000; - //console.log(syncPTS + " syncPTS is " + presentationTime + ' local time ' + localTime); - if (localTime === -1) { - parsingError = new Error(`Malformed X-TIMESTAMP-MAP: ${line}`); - } - } catch (e) { - timestampMap = false; - parsingError = e; - } - // Return without parsing X-TIMESTAMP-MAP line. - return; - } else if (line === '') { - inHeader = false; - } - } - // Parse line by default. - parser.parse(line + '\n'); - }); - - parser.flush(); - } -}; - -export default WebVTTParser; diff --git a/src/utils/webvtt-parser.ts b/src/utils/webvtt-parser.ts new file mode 100644 index 00000000000..93a89c14703 --- /dev/null +++ b/src/utils/webvtt-parser.ts @@ -0,0 +1,213 @@ +import VTTParser from './vttparser'; +import { utf8ArrayToStr } from '../demux/id3'; +import { toMpegTsClockFromTimescale } from './timescale-conversion'; +import { normalizePts } from '../remux/mp4-remuxer'; +import { VTTCCs } from '../types/vtt'; + +const LINEBREAKS = /\r\n|\n\r|\n|\r/g; + +// String.prototype.startsWith is not supported in IE11 +const startsWith = function ( + inputString: string, + searchString: string, + position: number = 0 +) { + return inputString.substr(position, searchString.length) === searchString; +}; + +const cueString2millis = function (timeString: string) { + let ts = parseInt(timeString.substr(-3)); + const secs = parseInt(timeString.substr(-6, 2)); + const mins = parseInt(timeString.substr(-9, 2)); + const hours = + timeString.length > 9 + ? parseInt(timeString.substr(0, timeString.indexOf(':'))) + : 0; + + if ( + !Number.isFinite(ts) || + !Number.isFinite(secs) || + !Number.isFinite(mins) || + !Number.isFinite(hours) + ) { + throw Error(`Malformed X-TIMESTAMP-MAP: Local:${timeString}`); + } + + ts += 1000 * secs; + ts += 60 * 1000 * mins; + ts += 60 * 60 * 1000 * hours; + + return ts; +}; + +// From https://github.com/darkskyapp/string-hash +const hash = function (text: string) { + let hash = 5381; + let i = text.length; + while (i) { + hash = (hash * 33) ^ text.charCodeAt(--i); + } + + return (hash >>> 0).toString(); +}; + +// Create a unique hash id for a cue based on start/end times and text. +// This helps timeline-controller to avoid showing repeated captions. +export function generateCueId( + startTime: number, + endTime: number, + text: string +) { + return hash(startTime.toString()) + hash(endTime.toString()) + hash(text); +} + +const calculateOffset = function (vttCCs: VTTCCs, cc, presentationTime) { + let currCC = vttCCs[cc]; + let prevCC = vttCCs[currCC.prevCC]; + + // This is the first discontinuity or cues have been processed since the last discontinuity + // Offset = current discontinuity time + if (!prevCC || (!prevCC.new && currCC.new)) { + vttCCs.ccOffset = vttCCs.presentationOffset = currCC.start; + currCC.new = false; + return; + } + + // There have been discontinuities since cues were last parsed. + // Offset = time elapsed + while (prevCC && prevCC.new) { + vttCCs.ccOffset += currCC.start - prevCC.start; + currCC.new = false; + currCC = prevCC; + prevCC = vttCCs[currCC.prevCC]; + } + + vttCCs.presentationOffset = presentationTime; +}; + +export function parseWebVTT( + vttByteArray: ArrayBuffer, + initPTS: number, + timescale: number, + vttCCs: VTTCCs, + cc: number, + timeOffset: number, + callBack: (cues: VTTCue[]) => void, + errorCallBack: (error: Error) => void +) { + const parser = new VTTParser(); + // Convert byteArray into string, replacing any somewhat exotic linefeeds with "\n", then split on that character. + // Uint8Array.prototype.reduce is not implemented in IE11 + const vttLines = utf8ArrayToStr(new Uint8Array(vttByteArray)) + .trim() + .replace(LINEBREAKS, '\n') + .split('\n'); + const cues: VTTCue[] = []; + const initPTS90Hz = toMpegTsClockFromTimescale(initPTS, timescale); + let cueTime = '00:00.000'; + let timestampMapMPEGTS = 0; + let timestampMapLOCAL = 0; + let parsingError: Error; + let inHeader = true; + let timestampMap = false; + + parser.oncue = function (cue: VTTCue) { + // Adjust cue timing; clamp cues to start no earlier than - and drop cues that don't end after - 0 on timeline. + const currCC = vttCCs[cc]; + let cueOffset = vttCCs.ccOffset; + + // Calculate subtitle PTS offset + const webVttMpegTsMapOffset = (timestampMapMPEGTS - initPTS90Hz) / 90000; + + // Update offsets for new discontinuities + if (currCC && currCC.new) { + if (timestampMapLOCAL !== undefined) { + // When local time is provided, offset = discontinuity start time - local time + cueOffset = vttCCs.ccOffset = currCC.start; + } else { + calculateOffset(vttCCs, cc, webVttMpegTsMapOffset); + } + } + + if (webVttMpegTsMapOffset) { + // If we have MPEGTS, offset = presentation time + discontinuity offset + cueOffset = webVttMpegTsMapOffset - vttCCs.presentationOffset; + } + + if (timestampMap) { + const duration = cue.endTime - cue.startTime; + const startTime = + normalizePts( + (cue.startTime + cueOffset - timestampMapLOCAL) * 90000, + timeOffset * 90000 + ) / 90000; + cue.startTime = startTime; + cue.endTime = startTime + duration; + } + + //trim trailing webvtt block whitespaces + const text = cue.text.trim(); + + // Fix encoding of special characters + cue.text = decodeURIComponent(encodeURIComponent(text)); + + // If the cue was not assigned an id from the VTT file (line above the content), create one. + if (!cue.id) { + cue.id = generateCueId(cue.startTime, cue.endTime, text); + } + + if (cue.endTime > 0) { + cues.push(cue); + } + }; + + parser.onparsingerror = function (error: Error) { + parsingError = error; + }; + + parser.onflush = function () { + if (parsingError) { + errorCallBack(parsingError); + return; + } + callBack(cues); + }; + + // Go through contents line by line. + vttLines.forEach((line) => { + if (inHeader) { + // Look for X-TIMESTAMP-MAP in header. + if (startsWith(line, 'X-TIMESTAMP-MAP=')) { + // Once found, no more are allowed anyway, so stop searching. + inHeader = false; + timestampMap = true; + // Extract LOCAL and MPEGTS. + line + .substr(16) + .split(',') + .forEach((timestamp) => { + if (startsWith(timestamp, 'LOCAL:')) { + cueTime = timestamp.substr(6); + } else if (startsWith(timestamp, 'MPEGTS:')) { + timestampMapMPEGTS = parseInt(timestamp.substr(7)); + } + }); + try { + // Convert cue time to seconds + timestampMapLOCAL = cueString2millis(cueTime) / 1000; + } catch (error) { + timestampMap = false; + parsingError = error; + } + // Return without parsing X-TIMESTAMP-MAP line. + return; + } else if (line === '') { + inHeader = false; + } + } + // Parse line by default. + parser.parse(line + '\n'); + }); + + parser.flush(); +}